TSTP Solution File: NLP051-1 by Paradox---4.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Paradox---4.0
% Problem  : NLP051-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:short
% Command  : paradox --no-progress --time %d --tstp --model %s

% Computer : n013.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Mon Jul 18 03:37:31 EDT 2022

% Result   : Satisfiable 67.91s 68.06s
% Output   : FiniteModel 66.70s
% Verified : 
% SZS Type : ERROR: Analysing output (MakeTreeStats ran out of CPU time)

% Comments : 
%------------------------------------------------------------------------------
% domain size is 10
fof(domain,fi_domain,
    ! [X] :
      ( X = "1"
      | X = "2"
      | X = "3"
      | X = "4"
      | X = "5"
      | X = "6"
      | X = "7"
      | X = "8"
      | X = "9"
      | X = "10" ) ).

fof(abstraction,fi_predicates,
    ( ( abstraction("1","1")
    <=> $false )
    & ( abstraction("1","2")
    <=> $false )
    & ( abstraction("1","3")
    <=> $false )
    & ( abstraction("1","4")
    <=> $true )
    & ( abstraction("1","5")
    <=> $false )
    & ( abstraction("1","6")
    <=> $true )
    & ( abstraction("1","7")
    <=> $true )
    & ( abstraction("1","8")
    <=> $true )
    & ( abstraction("1","9")
    <=> $true )
    & ( abstraction("1","10")
    <=> $false )
    & ! [X2] :
        ( abstraction("2",X2)
      <=> abstraction("1",X2) )
    & ! [X2] :
        ( abstraction("3",X2)
      <=> abstraction("2",X2) )
    & ! [X2] :
        ( abstraction("4",X2)
      <=> abstraction("3",X2) )
    & ! [X2] :
        ( abstraction("5",X2)
      <=> abstraction("4",X2) )
    & ! [X2] :
        ( abstraction("6",X2)
      <=> abstraction("5",X2) )
    & ! [X2] :
        ( abstraction("7",X2)
      <=> abstraction("6",X2) )
    & ! [X2] :
        ( abstraction("8",X2)
      <=> abstraction("7",X2) )
    & ! [X2] :
        ( abstraction("9",X2)
      <=> abstraction("8",X2) )
    & ! [X2] :
        ( abstraction("10",X2)
      <=> abstraction("9",X2) ) ) ).

fof(act,fi_predicates,
    ( ( act("1","1")
    <=> $false )
    & ( act("1","2")
    <=> $true )
    & ( act("1","3")
    <=> $false )
    & ( act("1","4")
    <=> $false )
    & ( act("1","5")
    <=> $false )
    & ( act("1","6")
    <=> $false )
    & ( act("1","7")
    <=> $false )
    & ( act("1","8")
    <=> $false )
    & ( act("1","9")
    <=> $false )
    & ( act("1","10")
    <=> $false )
    & ! [X2] :
        ( act("2",X2)
      <=> act("1",X2) )
    & ! [X2] :
        ( act("3",X2)
      <=> act("2",X2) )
    & ! [X2] :
        ( act("4",X2)
      <=> act("3",X2) )
    & ! [X2] :
        ( act("5",X2)
      <=> act("4",X2) )
    & ! [X2] :
        ( act("6",X2)
      <=> act("5",X2) )
    & ! [X2] :
        ( act("7",X2)
      <=> act("6",X2) )
    & ! [X2] :
        ( act("8",X2)
      <=> act("7",X2) )
    & ! [X2] :
        ( act("9",X2)
      <=> act("8",X2) )
    & ! [X2] :
        ( act("10",X2)
      <=> act("9",X2) ) ) ).

fof(actual_world,fi_predicates,
    ! [X1] :
      ( actual_world(X1)
    <=> $true ) ).

fof(agent,fi_predicates,
    ( ( agent("1","1","1")
    <=> $false )
    & ( agent("1","1","2")
    <=> $false )
    & ( agent("1","1","3")
    <=> $false )
    & ( agent("1","1","4")
    <=> $false )
    & ( agent("1","1","5")
    <=> $false )
    & ( agent("1","1","6")
    <=> $false )
    & ( agent("1","1","7")
    <=> $false )
    & ( agent("1","1","8")
    <=> $false )
    & ( agent("1","1","9")
    <=> $false )
    & ( agent("1","1","10")
    <=> $false )
    & ( agent("1","2","1")
    <=> $false )
    & ( agent("1","2","2")
    <=> $false )
    & ( agent("1","2","3")
    <=> $false )
    & ( agent("1","2","4")
    <=> $false )
    & ( agent("1","2","5")
    <=> $true )
    & ( agent("1","2","6")
    <=> $false )
    & ( agent("1","2","7")
    <=> $false )
    & ( agent("1","2","8")
    <=> $false )
    & ( agent("1","2","9")
    <=> $false )
    & ( agent("1","2","10")
    <=> $false )
    & ( agent("1","3","1")
    <=> $false )
    & ( agent("1","3","2")
    <=> $false )
    & ( agent("1","3","3")
    <=> $false )
    & ( agent("1","3","4")
    <=> $false )
    & ( agent("1","3","5")
    <=> $false )
    & ( agent("1","3","6")
    <=> $false )
    & ( agent("1","3","7")
    <=> $false )
    & ( agent("1","3","8")
    <=> $false )
    & ( agent("1","3","9")
    <=> $false )
    & ( agent("1","3","10")
    <=> $false )
    & ( agent("1","4","1")
    <=> $false )
    & ( agent("1","4","2")
    <=> $false )
    & ( agent("1","4","3")
    <=> $false )
    & ( agent("1","4","4")
    <=> $false )
    & ( agent("1","4","5")
    <=> $false )
    & ( agent("1","4","6")
    <=> $false )
    & ( agent("1","4","7")
    <=> $false )
    & ( agent("1","4","8")
    <=> $false )
    & ( agent("1","4","9")
    <=> $false )
    & ( agent("1","4","10")
    <=> $false )
    & ( agent("1","5","1")
    <=> $false )
    & ( agent("1","5","2")
    <=> $false )
    & ( agent("1","5","3")
    <=> $false )
    & ( agent("1","5","4")
    <=> $false )
    & ( agent("1","5","5")
    <=> $false )
    & ( agent("1","5","6")
    <=> $false )
    & ( agent("1","5","7")
    <=> $false )
    & ( agent("1","5","8")
    <=> $false )
    & ( agent("1","5","9")
    <=> $false )
    & ( agent("1","5","10")
    <=> $false )
    & ( agent("1","6","1")
    <=> $false )
    & ( agent("1","6","2")
    <=> $false )
    & ( agent("1","6","3")
    <=> $true )
    & ( agent("1","6","4")
    <=> $false )
    & ( agent("1","6","5")
    <=> $false )
    & ( agent("1","6","6")
    <=> $false )
    & ( agent("1","6","7")
    <=> $false )
    & ( agent("1","6","8")
    <=> $false )
    & ( agent("1","6","9")
    <=> $false )
    & ( agent("1","6","10")
    <=> $false )
    & ( agent("1","7","1")
    <=> $false )
    & ( agent("1","7","2")
    <=> $false )
    & ( agent("1","7","3")
    <=> $true )
    & ( agent("1","7","4")
    <=> $false )
    & ( agent("1","7","5")
    <=> $false )
    & ( agent("1","7","6")
    <=> $false )
    & ( agent("1","7","7")
    <=> $false )
    & ( agent("1","7","8")
    <=> $false )
    & ( agent("1","7","9")
    <=> $false )
    & ( agent("1","7","10")
    <=> $false )
    & ( agent("1","8","1")
    <=> $false )
    & ( agent("1","8","2")
    <=> $false )
    & ( agent("1","8","3")
    <=> $true )
    & ( agent("1","8","4")
    <=> $false )
    & ( agent("1","8","5")
    <=> $false )
    & ( agent("1","8","6")
    <=> $false )
    & ( agent("1","8","7")
    <=> $false )
    & ( agent("1","8","8")
    <=> $false )
    & ( agent("1","8","9")
    <=> $false )
    & ( agent("1","8","10")
    <=> $false )
    & ( agent("1","9","1")
    <=> $false )
    & ( agent("1","9","2")
    <=> $false )
    & ( agent("1","9","3")
    <=> $true )
    & ( agent("1","9","4")
    <=> $false )
    & ( agent("1","9","5")
    <=> $false )
    & ( agent("1","9","6")
    <=> $false )
    & ( agent("1","9","7")
    <=> $false )
    & ( agent("1","9","8")
    <=> $false )
    & ( agent("1","9","9")
    <=> $false )
    & ( agent("1","9","10")
    <=> $false )
    & ( agent("1","10","1")
    <=> $false )
    & ( agent("1","10","2")
    <=> $false )
    & ( agent("1","10","3")
    <=> $true )
    & ( agent("1","10","4")
    <=> $false )
    & ( agent("1","10","5")
    <=> $false )
    & ( agent("1","10","6")
    <=> $false )
    & ( agent("1","10","7")
    <=> $false )
    & ( agent("1","10","8")
    <=> $false )
    & ( agent("1","10","9")
    <=> $false )
    & ( agent("1","10","10")
    <=> $false )
    & ! [X2,X3] :
        ( agent("2",X2,X3)
      <=> agent("1",X2,X3) )
    & ! [X2,X3] :
        ( agent("3",X2,X3)
      <=> agent("2",X2,X3) )
    & ! [X2,X3] :
        ( agent("4",X2,X3)
      <=> agent("3",X2,X3) )
    & ! [X2,X3] :
        ( agent("5",X2,X3)
      <=> agent("4",X2,X3) )
    & ! [X2,X3] :
        ( agent("6",X2,X3)
      <=> agent("5",X2,X3) )
    & ! [X2,X3] :
        ( agent("7",X2,X3)
      <=> agent("6",X2,X3) )
    & ! [X2,X3] :
        ( agent("8",X2,X3)
      <=> agent("7",X2,X3) )
    & ! [X2,X3] :
        ( agent("9",X2,X3)
      <=> agent("8",X2,X3) )
    & ! [X2,X3] :
        ( agent("10",X2,X3)
      <=> agent("9",X2,X3) ) ) ).

fof(animate,fi_predicates,
    ( ( animate("1","1")
    <=> $false )
    & ( animate("1","2")
    <=> $false )
    & ( animate("1","3")
    <=> $false )
    & ( animate("1","4")
    <=> $false )
    & ( animate("1","5")
    <=> $true )
    & ( animate("1","6")
    <=> $false )
    & ( animate("1","7")
    <=> $false )
    & ( animate("1","8")
    <=> $false )
    & ( animate("1","9")
    <=> $false )
    & ( animate("1","10")
    <=> $false )
    & ! [X2] :
        ( animate("2",X2)
      <=> animate("1",X2) )
    & ! [X2] :
        ( animate("3",X2)
      <=> animate("2",X2) )
    & ! [X2] :
        ( animate("4",X2)
      <=> animate("3",X2) )
    & ! [X2] :
        ( animate("5",X2)
      <=> animate("4",X2) )
    & ! [X2] :
        ( animate("6",X2)
      <=> animate("5",X2) )
    & ! [X2] :
        ( animate("7",X2)
      <=> animate("6",X2) )
    & ! [X2] :
        ( animate("8",X2)
      <=> animate("7",X2) )
    & ! [X2] :
        ( animate("9",X2)
      <=> animate("8",X2) )
    & ! [X2] :
        ( animate("10",X2)
      <=> animate("9",X2) ) ) ).

fof(beverage,fi_predicates,
    ( ( beverage("1","1")
    <=> $false )
    & ( beverage("1","2")
    <=> $false )
    & ( beverage("1","3")
    <=> $true )
    & ( beverage("1","4")
    <=> $false )
    & ( beverage("1","5")
    <=> $false )
    & ( beverage("1","6")
    <=> $false )
    & ( beverage("1","7")
    <=> $false )
    & ( beverage("1","8")
    <=> $false )
    & ( beverage("1","9")
    <=> $false )
    & ( beverage("1","10")
    <=> $false )
    & ! [X2] :
        ( beverage("2",X2)
      <=> beverage("1",X2) )
    & ! [X2] :
        ( beverage("3",X2)
      <=> beverage("2",X2) )
    & ! [X2] :
        ( beverage("4",X2)
      <=> beverage("3",X2) )
    & ! [X2] :
        ( beverage("5",X2)
      <=> beverage("4",X2) )
    & ! [X2] :
        ( beverage("6",X2)
      <=> beverage("5",X2) )
    & ! [X2] :
        ( beverage("7",X2)
      <=> beverage("6",X2) )
    & ! [X2] :
        ( beverage("8",X2)
      <=> beverage("7",X2) )
    & ! [X2] :
        ( beverage("9",X2)
      <=> beverage("8",X2) )
    & ! [X2] :
        ( beverage("10",X2)
      <=> beverage("9",X2) ) ) ).

fof(cash,fi_predicates,
    ( ( cash("1","1")
    <=> $false )
    & ( cash("1","2")
    <=> $false )
    & ( cash("1","3")
    <=> $false )
    & ( cash("1","4")
    <=> $true )
    & ( cash("1","5")
    <=> $false )
    & ( cash("1","6")
    <=> $true )
    & ( cash("1","7")
    <=> $true )
    & ( cash("1","8")
    <=> $true )
    & ( cash("1","9")
    <=> $true )
    & ( cash("1","10")
    <=> $false )
    & ! [X2] :
        ( cash("2",X2)
      <=> cash("1",X2) )
    & ! [X2] :
        ( cash("3",X2)
      <=> cash("2",X2) )
    & ! [X2] :
        ( cash("4",X2)
      <=> cash("3",X2) )
    & ! [X2] :
        ( cash("5",X2)
      <=> cash("4",X2) )
    & ! [X2] :
        ( cash("6",X2)
      <=> cash("5",X2) )
    & ! [X2] :
        ( cash("7",X2)
      <=> cash("6",X2) )
    & ! [X2] :
        ( cash("8",X2)
      <=> cash("7",X2) )
    & ! [X2] :
        ( cash("9",X2)
      <=> cash("8",X2) )
    & ! [X2] :
        ( cash("10",X2)
      <=> cash("9",X2) ) ) ).

fof(cost,fi_predicates,
    ( ( cost("1","1")
    <=> $false )
    & ( cost("1","2")
    <=> $false )
    & ( cost("1","3")
    <=> $false )
    & ( cost("1","4")
    <=> $false )
    & ( cost("1","5")
    <=> $false )
    & ( cost("1","6")
    <=> $false )
    & ( cost("1","7")
    <=> $false )
    & ( cost("1","8")
    <=> $false )
    & ( cost("1","9")
    <=> $false )
    & ( cost("1","10")
    <=> $true )
    & ! [X2] :
        ( cost("2",X2)
      <=> cost("1",X2) )
    & ! [X2] :
        ( cost("3",X2)
      <=> cost("2",X2) )
    & ! [X2] :
        ( cost("4",X2)
      <=> cost("3",X2) )
    & ! [X2] :
        ( cost("5",X2)
      <=> cost("4",X2) )
    & ! [X2] :
        ( cost("6",X2)
      <=> cost("5",X2) )
    & ! [X2] :
        ( cost("7",X2)
      <=> cost("6",X2) )
    & ! [X2] :
        ( cost("8",X2)
      <=> cost("7",X2) )
    & ! [X2] :
        ( cost("9",X2)
      <=> cost("8",X2) )
    & ! [X2] :
        ( cost("10",X2)
      <=> cost("9",X2) ) ) ).

fof(currency,fi_predicates,
    ( ( currency("1","1")
    <=> $false )
    & ( currency("1","2")
    <=> $false )
    & ( currency("1","3")
    <=> $false )
    & ( currency("1","4")
    <=> $true )
    & ( currency("1","5")
    <=> $false )
    & ( currency("1","6")
    <=> $true )
    & ( currency("1","7")
    <=> $true )
    & ( currency("1","8")
    <=> $true )
    & ( currency("1","9")
    <=> $true )
    & ( currency("1","10")
    <=> $false )
    & ! [X2] :
        ( currency("2",X2)
      <=> currency("1",X2) )
    & ! [X2] :
        ( currency("3",X2)
      <=> currency("2",X2) )
    & ! [X2] :
        ( currency("4",X2)
      <=> currency("3",X2) )
    & ! [X2] :
        ( currency("5",X2)
      <=> currency("4",X2) )
    & ! [X2] :
        ( currency("6",X2)
      <=> currency("5",X2) )
    & ! [X2] :
        ( currency("7",X2)
      <=> currency("6",X2) )
    & ! [X2] :
        ( currency("8",X2)
      <=> currency("7",X2) )
    & ! [X2] :
        ( currency("9",X2)
      <=> currency("8",X2) )
    & ! [X2] :
        ( currency("10",X2)
      <=> currency("9",X2) ) ) ).

fof(dollar,fi_predicates,
    ( ( dollar("1","1")
    <=> $false )
    & ( dollar("1","2")
    <=> $false )
    & ( dollar("1","3")
    <=> $false )
    & ( dollar("1","4")
    <=> $true )
    & ( dollar("1","5")
    <=> $false )
    & ( dollar("1","6")
    <=> $true )
    & ( dollar("1","7")
    <=> $true )
    & ( dollar("1","8")
    <=> $true )
    & ( dollar("1","9")
    <=> $true )
    & ( dollar("1","10")
    <=> $false )
    & ! [X2] :
        ( dollar("2",X2)
      <=> dollar("1",X2) )
    & ! [X2] :
        ( dollar("3",X2)
      <=> dollar("2",X2) )
    & ! [X2] :
        ( dollar("4",X2)
      <=> dollar("3",X2) )
    & ! [X2] :
        ( dollar("5",X2)
      <=> dollar("4",X2) )
    & ! [X2] :
        ( dollar("6",X2)
      <=> dollar("5",X2) )
    & ! [X2] :
        ( dollar("7",X2)
      <=> dollar("6",X2) )
    & ! [X2] :
        ( dollar("8",X2)
      <=> dollar("7",X2) )
    & ! [X2] :
        ( dollar("9",X2)
      <=> dollar("8",X2) )
    & ! [X2] :
        ( dollar("10",X2)
      <=> dollar("9",X2) ) ) ).

fof(entity,fi_predicates,
    ( ( entity("1","1")
    <=> $false )
    & ( entity("1","2")
    <=> $false )
    & ( entity("1","3")
    <=> $true )
    & ( entity("1","4")
    <=> $false )
    & ( entity("1","5")
    <=> $true )
    & ( entity("1","6")
    <=> $false )
    & ( entity("1","7")
    <=> $false )
    & ( entity("1","8")
    <=> $false )
    & ( entity("1","9")
    <=> $false )
    & ( entity("1","10")
    <=> $false )
    & ! [X2] :
        ( entity("2",X2)
      <=> entity("1",X2) )
    & ! [X2] :
        ( entity("3",X2)
      <=> entity("2",X2) )
    & ! [X2] :
        ( entity("4",X2)
      <=> entity("3",X2) )
    & ! [X2] :
        ( entity("5",X2)
      <=> entity("4",X2) )
    & ! [X2] :
        ( entity("6",X2)
      <=> entity("5",X2) )
    & ! [X2] :
        ( entity("7",X2)
      <=> entity("6",X2) )
    & ! [X2] :
        ( entity("8",X2)
      <=> entity("7",X2) )
    & ! [X2] :
        ( entity("9",X2)
      <=> entity("8",X2) )
    & ! [X2] :
        ( entity("10",X2)
      <=> entity("9",X2) ) ) ).

fof(event,fi_predicates,
    ( ( event("1","1")
    <=> $false )
    & ( event("1","2")
    <=> $true )
    & ( event("1","3")
    <=> $false )
    & ( event("1","4")
    <=> $false )
    & ( event("1","5")
    <=> $false )
    & ( event("1","6")
    <=> $false )
    & ( event("1","7")
    <=> $false )
    & ( event("1","8")
    <=> $false )
    & ( event("1","9")
    <=> $false )
    & ( event("1","10")
    <=> $true )
    & ! [X2] :
        ( event("2",X2)
      <=> event("1",X2) )
    & ! [X2] :
        ( event("3",X2)
      <=> event("2",X2) )
    & ! [X2] :
        ( event("4",X2)
      <=> event("3",X2) )
    & ! [X2] :
        ( event("5",X2)
      <=> event("4",X2) )
    & ! [X2] :
        ( event("6",X2)
      <=> event("5",X2) )
    & ! [X2] :
        ( event("7",X2)
      <=> event("6",X2) )
    & ! [X2] :
        ( event("8",X2)
      <=> event("7",X2) )
    & ! [X2] :
        ( event("9",X2)
      <=> event("8",X2) )
    & ! [X2] :
        ( event("10",X2)
      <=> event("9",X2) ) ) ).

fof(eventuality,fi_predicates,
    ( ( eventuality("1","1")
    <=> $false )
    & ( eventuality("1","2")
    <=> $true )
    & ( eventuality("1","3")
    <=> $false )
    & ( eventuality("1","4")
    <=> $false )
    & ( eventuality("1","5")
    <=> $false )
    & ( eventuality("1","6")
    <=> $false )
    & ( eventuality("1","7")
    <=> $false )
    & ( eventuality("1","8")
    <=> $false )
    & ( eventuality("1","9")
    <=> $false )
    & ( eventuality("1","10")
    <=> $true )
    & ! [X2] :
        ( eventuality("2",X2)
      <=> eventuality("1",X2) )
    & ! [X2] :
        ( eventuality("3",X2)
      <=> eventuality("2",X2) )
    & ! [X2] :
        ( eventuality("4",X2)
      <=> eventuality("3",X2) )
    & ! [X2] :
        ( eventuality("5",X2)
      <=> eventuality("4",X2) )
    & ! [X2] :
        ( eventuality("6",X2)
      <=> eventuality("5",X2) )
    & ! [X2] :
        ( eventuality("7",X2)
      <=> eventuality("6",X2) )
    & ! [X2] :
        ( eventuality("8",X2)
      <=> eventuality("7",X2) )
    & ! [X2] :
        ( eventuality("9",X2)
      <=> eventuality("8",X2) )
    & ! [X2] :
        ( eventuality("10",X2)
      <=> eventuality("9",X2) ) ) ).

fof(existent,fi_predicates,
    ( ( existent("1","1")
    <=> $false )
    & ( existent("1","2")
    <=> $false )
    & ( existent("1","3")
    <=> $true )
    & ( existent("1","4")
    <=> $false )
    & ( existent("1","5")
    <=> $true )
    & ( existent("1","6")
    <=> $false )
    & ( existent("1","7")
    <=> $false )
    & ( existent("1","8")
    <=> $false )
    & ( existent("1","9")
    <=> $false )
    & ( existent("1","10")
    <=> $false )
    & ! [X2] :
        ( existent("2",X2)
      <=> existent("1",X2) )
    & ! [X2] :
        ( existent("3",X2)
      <=> existent("2",X2) )
    & ! [X2] :
        ( existent("4",X2)
      <=> existent("3",X2) )
    & ! [X2] :
        ( existent("5",X2)
      <=> existent("4",X2) )
    & ! [X2] :
        ( existent("6",X2)
      <=> existent("5",X2) )
    & ! [X2] :
        ( existent("7",X2)
      <=> existent("6",X2) )
    & ! [X2] :
        ( existent("8",X2)
      <=> existent("7",X2) )
    & ! [X2] :
        ( existent("9",X2)
      <=> existent("8",X2) )
    & ! [X2] :
        ( existent("10",X2)
      <=> existent("9",X2) ) ) ).

fof(female,fi_predicates,
    ( ( female("1","1")
    <=> $false )
    & ( female("1","2")
    <=> $false )
    & ( female("1","3")
    <=> $false )
    & ( female("1","4")
    <=> $false )
    & ( female("1","5")
    <=> $true )
    & ( female("1","6")
    <=> $false )
    & ( female("1","7")
    <=> $false )
    & ( female("1","8")
    <=> $false )
    & ( female("1","9")
    <=> $false )
    & ( female("1","10")
    <=> $false )
    & ! [X2] :
        ( female("2",X2)
      <=> female("1",X2) )
    & ! [X2] :
        ( female("3",X2)
      <=> female("2",X2) )
    & ! [X2] :
        ( female("4",X2)
      <=> female("3",X2) )
    & ! [X2] :
        ( female("5",X2)
      <=> female("4",X2) )
    & ! [X2] :
        ( female("6",X2)
      <=> female("5",X2) )
    & ! [X2] :
        ( female("7",X2)
      <=> female("6",X2) )
    & ! [X2] :
        ( female("8",X2)
      <=> female("7",X2) )
    & ! [X2] :
        ( female("9",X2)
      <=> female("8",X2) )
    & ! [X2] :
        ( female("10",X2)
      <=> female("9",X2) ) ) ).

fof(five,fi_predicates,
    ( ( five("1","1")
    <=> $true )
    & ( five("1","2")
    <=> $false )
    & ( five("1","3")
    <=> $false )
    & ( five("1","4")
    <=> $false )
    & ( five("1","5")
    <=> $false )
    & ( five("1","6")
    <=> $false )
    & ( five("1","7")
    <=> $false )
    & ( five("1","8")
    <=> $false )
    & ( five("1","9")
    <=> $false )
    & ( five("1","10")
    <=> $false )
    & ! [X2] :
        ( five("2",X2)
      <=> five("1",X2) )
    & ! [X2] :
        ( five("3",X2)
      <=> five("2",X2) )
    & ! [X2] :
        ( five("4",X2)
      <=> five("3",X2) )
    & ! [X2] :
        ( five("5",X2)
      <=> five("4",X2) )
    & ! [X2] :
        ( five("6",X2)
      <=> five("5",X2) )
    & ! [X2] :
        ( five("7",X2)
      <=> five("6",X2) )
    & ! [X2] :
        ( five("8",X2)
      <=> five("7",X2) )
    & ! [X2] :
        ( five("9",X2)
      <=> five("8",X2) )
    & ! [X2] :
        ( five("10",X2)
      <=> five("9",X2) ) ) ).

fof(food,fi_predicates,
    ( ( food("1","1")
    <=> $false )
    & ( food("1","2")
    <=> $false )
    & ( food("1","3")
    <=> $true )
    & ( food("1","4")
    <=> $false )
    & ( food("1","5")
    <=> $false )
    & ( food("1","6")
    <=> $false )
    & ( food("1","7")
    <=> $false )
    & ( food("1","8")
    <=> $false )
    & ( food("1","9")
    <=> $false )
    & ( food("1","10")
    <=> $false )
    & ! [X2] :
        ( food("2",X2)
      <=> food("1",X2) )
    & ! [X2] :
        ( food("3",X2)
      <=> food("2",X2) )
    & ! [X2] :
        ( food("4",X2)
      <=> food("3",X2) )
    & ! [X2] :
        ( food("5",X2)
      <=> food("4",X2) )
    & ! [X2] :
        ( food("6",X2)
      <=> food("5",X2) )
    & ! [X2] :
        ( food("7",X2)
      <=> food("6",X2) )
    & ! [X2] :
        ( food("8",X2)
      <=> food("7",X2) )
    & ! [X2] :
        ( food("9",X2)
      <=> food("8",X2) )
    & ! [X2] :
        ( food("10",X2)
      <=> food("9",X2) ) ) ).

fof(forename,fi_predicates,
    ( ( forename("1","1")
    <=> $false )
    & ( forename("1","2")
    <=> $false )
    & ( forename("1","3")
    <=> $false )
    & ( forename("1","4")
    <=> $true )
    & ( forename("1","5")
    <=> $false )
    & ( forename("1","6")
    <=> $false )
    & ( forename("1","7")
    <=> $false )
    & ( forename("1","8")
    <=> $false )
    & ( forename("1","9")
    <=> $false )
    & ( forename("1","10")
    <=> $false )
    & ! [X2] :
        ( forename("2",X2)
      <=> forename("1",X2) )
    & ! [X2] :
        ( forename("3",X2)
      <=> forename("2",X2) )
    & ! [X2] :
        ( forename("4",X2)
      <=> forename("3",X2) )
    & ! [X2] :
        ( forename("5",X2)
      <=> forename("4",X2) )
    & ! [X2] :
        ( forename("6",X2)
      <=> forename("5",X2) )
    & ! [X2] :
        ( forename("7",X2)
      <=> forename("6",X2) )
    & ! [X2] :
        ( forename("8",X2)
      <=> forename("7",X2) )
    & ! [X2] :
        ( forename("9",X2)
      <=> forename("8",X2) )
    & ! [X2] :
        ( forename("10",X2)
      <=> forename("9",X2) ) ) ).

fof(general,fi_predicates,
    ( ( general("1","1")
    <=> $false )
    & ( general("1","2")
    <=> $false )
    & ( general("1","3")
    <=> $false )
    & ( general("1","4")
    <=> $true )
    & ( general("1","5")
    <=> $false )
    & ( general("1","6")
    <=> $true )
    & ( general("1","7")
    <=> $true )
    & ( general("1","8")
    <=> $true )
    & ( general("1","9")
    <=> $true )
    & ( general("1","10")
    <=> $false )
    & ! [X2] :
        ( general("2",X2)
      <=> general("1",X2) )
    & ! [X2] :
        ( general("3",X2)
      <=> general("2",X2) )
    & ! [X2] :
        ( general("4",X2)
      <=> general("3",X2) )
    & ! [X2] :
        ( general("5",X2)
      <=> general("4",X2) )
    & ! [X2] :
        ( general("6",X2)
      <=> general("5",X2) )
    & ! [X2] :
        ( general("7",X2)
      <=> general("6",X2) )
    & ! [X2] :
        ( general("8",X2)
      <=> general("7",X2) )
    & ! [X2] :
        ( general("9",X2)
      <=> general("8",X2) )
    & ! [X2] :
        ( general("10",X2)
      <=> general("9",X2) ) ) ).

fof(group,fi_predicates,
    ( ( group("1","1")
    <=> $true )
    & ( group("1","2")
    <=> $false )
    & ( group("1","3")
    <=> $false )
    & ( group("1","4")
    <=> $false )
    & ( group("1","5")
    <=> $false )
    & ( group("1","6")
    <=> $false )
    & ( group("1","7")
    <=> $false )
    & ( group("1","8")
    <=> $false )
    & ( group("1","9")
    <=> $false )
    & ( group("1","10")
    <=> $false )
    & ! [X2] :
        ( group("2",X2)
      <=> group("1",X2) )
    & ! [X2] :
        ( group("3",X2)
      <=> group("2",X2) )
    & ! [X2] :
        ( group("4",X2)
      <=> group("3",X2) )
    & ! [X2] :
        ( group("5",X2)
      <=> group("4",X2) )
    & ! [X2] :
        ( group("6",X2)
      <=> group("5",X2) )
    & ! [X2] :
        ( group("7",X2)
      <=> group("6",X2) )
    & ! [X2] :
        ( group("8",X2)
      <=> group("7",X2) )
    & ! [X2] :
        ( group("9",X2)
      <=> group("8",X2) )
    & ! [X2] :
        ( group("10",X2)
      <=> group("9",X2) ) ) ).

fof(human,fi_predicates,
    ( ( human("1","1")
    <=> $false )
    & ( human("1","2")
    <=> $false )
    & ( human("1","3")
    <=> $false )
    & ( human("1","4")
    <=> $false )
    & ( human("1","5")
    <=> $true )
    & ( human("1","6")
    <=> $false )
    & ( human("1","7")
    <=> $false )
    & ( human("1","8")
    <=> $false )
    & ( human("1","9")
    <=> $false )
    & ( human("1","10")
    <=> $false )
    & ! [X2] :
        ( human("2",X2)
      <=> human("1",X2) )
    & ! [X2] :
        ( human("3",X2)
      <=> human("2",X2) )
    & ! [X2] :
        ( human("4",X2)
      <=> human("3",X2) )
    & ! [X2] :
        ( human("5",X2)
      <=> human("4",X2) )
    & ! [X2] :
        ( human("6",X2)
      <=> human("5",X2) )
    & ! [X2] :
        ( human("7",X2)
      <=> human("6",X2) )
    & ! [X2] :
        ( human("8",X2)
      <=> human("7",X2) )
    & ! [X2] :
        ( human("9",X2)
      <=> human("8",X2) )
    & ! [X2] :
        ( human("10",X2)
      <=> human("9",X2) ) ) ).

fof(human_person,fi_predicates,
    ( ( human_person("1","1")
    <=> $false )
    & ( human_person("1","2")
    <=> $false )
    & ( human_person("1","3")
    <=> $false )
    & ( human_person("1","4")
    <=> $false )
    & ( human_person("1","5")
    <=> $true )
    & ( human_person("1","6")
    <=> $false )
    & ( human_person("1","7")
    <=> $false )
    & ( human_person("1","8")
    <=> $false )
    & ( human_person("1","9")
    <=> $false )
    & ( human_person("1","10")
    <=> $false )
    & ! [X2] :
        ( human_person("2",X2)
      <=> human_person("1",X2) )
    & ! [X2] :
        ( human_person("3",X2)
      <=> human_person("2",X2) )
    & ! [X2] :
        ( human_person("4",X2)
      <=> human_person("3",X2) )
    & ! [X2] :
        ( human_person("5",X2)
      <=> human_person("4",X2) )
    & ! [X2] :
        ( human_person("6",X2)
      <=> human_person("5",X2) )
    & ! [X2] :
        ( human_person("7",X2)
      <=> human_person("6",X2) )
    & ! [X2] :
        ( human_person("8",X2)
      <=> human_person("7",X2) )
    & ! [X2] :
        ( human_person("9",X2)
      <=> human_person("8",X2) )
    & ! [X2] :
        ( human_person("10",X2)
      <=> human_person("9",X2) ) ) ).

fof(impartial,fi_predicates,
    ! [X1,X2] :
      ( impartial(X1,X2)
    <=> $true ) ).

fof(living,fi_predicates,
    ( ( living("1","1")
    <=> $false )
    & ( living("1","2")
    <=> $false )
    & ( living("1","3")
    <=> $false )
    & ( living("1","4")
    <=> $false )
    & ( living("1","5")
    <=> $true )
    & ( living("1","6")
    <=> $false )
    & ( living("1","7")
    <=> $false )
    & ( living("1","8")
    <=> $false )
    & ( living("1","9")
    <=> $false )
    & ( living("1","10")
    <=> $false )
    & ! [X2] :
        ( living("2",X2)
      <=> living("1",X2) )
    & ! [X2] :
        ( living("3",X2)
      <=> living("2",X2) )
    & ! [X2] :
        ( living("4",X2)
      <=> living("3",X2) )
    & ! [X2] :
        ( living("5",X2)
      <=> living("4",X2) )
    & ! [X2] :
        ( living("6",X2)
      <=> living("5",X2) )
    & ! [X2] :
        ( living("7",X2)
      <=> living("6",X2) )
    & ! [X2] :
        ( living("8",X2)
      <=> living("7",X2) )
    & ! [X2] :
        ( living("9",X2)
      <=> living("8",X2) )
    & ! [X2] :
        ( living("10",X2)
      <=> living("9",X2) ) ) ).

fof(member,fi_predicates,
    ( ( member("1","1","1")
    <=> $false )
    & ( member("1","1","2")
    <=> $false )
    & ( member("1","1","3")
    <=> $false )
    & ( member("1","1","4")
    <=> $false )
    & ( member("1","1","5")
    <=> $false )
    & ( member("1","1","6")
    <=> $false )
    & ( member("1","1","7")
    <=> $false )
    & ( member("1","1","8")
    <=> $false )
    & ( member("1","1","9")
    <=> $false )
    & ( member("1","1","10")
    <=> $false )
    & ( member("1","2","1")
    <=> $false )
    & ( member("1","2","2")
    <=> $false )
    & ( member("1","2","3")
    <=> $false )
    & ( member("1","2","4")
    <=> $false )
    & ( member("1","2","5")
    <=> $false )
    & ( member("1","2","6")
    <=> $false )
    & ( member("1","2","7")
    <=> $false )
    & ( member("1","2","8")
    <=> $false )
    & ( member("1","2","9")
    <=> $false )
    & ( member("1","2","10")
    <=> $false )
    & ( member("1","3","1")
    <=> $false )
    & ( member("1","3","2")
    <=> $false )
    & ( member("1","3","3")
    <=> $false )
    & ( member("1","3","4")
    <=> $false )
    & ( member("1","3","5")
    <=> $false )
    & ( member("1","3","6")
    <=> $false )
    & ( member("1","3","7")
    <=> $false )
    & ( member("1","3","8")
    <=> $false )
    & ( member("1","3","9")
    <=> $false )
    & ( member("1","3","10")
    <=> $false )
    & ( member("1","4","1")
    <=> $true )
    & ( member("1","4","2")
    <=> $false )
    & ( member("1","4","3")
    <=> $false )
    & ( member("1","4","4")
    <=> $false )
    & ( member("1","4","5")
    <=> $false )
    & ( member("1","4","6")
    <=> $false )
    & ( member("1","4","7")
    <=> $false )
    & ( member("1","4","8")
    <=> $false )
    & ( member("1","4","9")
    <=> $false )
    & ( member("1","4","10")
    <=> $false )
    & ( member("1","5","1")
    <=> $false )
    & ( member("1","5","2")
    <=> $false )
    & ( member("1","5","3")
    <=> $false )
    & ( member("1","5","4")
    <=> $false )
    & ( member("1","5","5")
    <=> $false )
    & ( member("1","5","6")
    <=> $false )
    & ( member("1","5","7")
    <=> $false )
    & ( member("1","5","8")
    <=> $false )
    & ( member("1","5","9")
    <=> $false )
    & ( member("1","5","10")
    <=> $false )
    & ( member("1","6","1")
    <=> $true )
    & ( member("1","6","2")
    <=> $false )
    & ( member("1","6","3")
    <=> $false )
    & ( member("1","6","4")
    <=> $false )
    & ( member("1","6","5")
    <=> $false )
    & ( member("1","6","6")
    <=> $false )
    & ( member("1","6","7")
    <=> $false )
    & ( member("1","6","8")
    <=> $false )
    & ( member("1","6","9")
    <=> $false )
    & ( member("1","6","10")
    <=> $false )
    & ( member("1","7","1")
    <=> $true )
    & ( member("1","7","2")
    <=> $false )
    & ( member("1","7","3")
    <=> $false )
    & ( member("1","7","4")
    <=> $false )
    & ( member("1","7","5")
    <=> $false )
    & ( member("1","7","6")
    <=> $false )
    & ( member("1","7","7")
    <=> $false )
    & ( member("1","7","8")
    <=> $false )
    & ( member("1","7","9")
    <=> $false )
    & ( member("1","7","10")
    <=> $false )
    & ( member("1","8","1")
    <=> $true )
    & ( member("1","8","2")
    <=> $false )
    & ( member("1","8","3")
    <=> $false )
    & ( member("1","8","4")
    <=> $false )
    & ( member("1","8","5")
    <=> $false )
    & ( member("1","8","6")
    <=> $false )
    & ( member("1","8","7")
    <=> $false )
    & ( member("1","8","8")
    <=> $false )
    & ( member("1","8","9")
    <=> $false )
    & ( member("1","8","10")
    <=> $false )
    & ( member("1","9","1")
    <=> $true )
    & ( member("1","9","2")
    <=> $false )
    & ( member("1","9","3")
    <=> $false )
    & ( member("1","9","4")
    <=> $false )
    & ( member("1","9","5")
    <=> $false )
    & ( member("1","9","6")
    <=> $false )
    & ( member("1","9","7")
    <=> $false )
    & ( member("1","9","8")
    <=> $false )
    & ( member("1","9","9")
    <=> $false )
    & ( member("1","9","10")
    <=> $false )
    & ( member("1","10","1")
    <=> $false )
    & ( member("1","10","2")
    <=> $false )
    & ( member("1","10","3")
    <=> $false )
    & ( member("1","10","4")
    <=> $false )
    & ( member("1","10","5")
    <=> $false )
    & ( member("1","10","6")
    <=> $false )
    & ( member("1","10","7")
    <=> $false )
    & ( member("1","10","8")
    <=> $false )
    & ( member("1","10","9")
    <=> $false )
    & ( member("1","10","10")
    <=> $false )
    & ! [X2,X3] :
        ( member("2",X2,X3)
      <=> member("1",X2,X3) )
    & ! [X2,X3] :
        ( member("3",X2,X3)
      <=> member("2",X2,X3) )
    & ! [X2,X3] :
        ( member("4",X2,X3)
      <=> member("3",X2,X3) )
    & ! [X2,X3] :
        ( member("5",X2,X3)
      <=> member("4",X2,X3) )
    & ! [X2,X3] :
        ( member("6",X2,X3)
      <=> member("5",X2,X3) )
    & ! [X2,X3] :
        ( member("7",X2,X3)
      <=> member("6",X2,X3) )
    & ! [X2,X3] :
        ( member("8",X2,X3)
      <=> member("7",X2,X3) )
    & ! [X2,X3] :
        ( member("9",X2,X3)
      <=> member("8",X2,X3) )
    & ! [X2,X3] :
        ( member("10",X2,X3)
      <=> member("9",X2,X3) ) ) ).

fof(mia_forename,fi_predicates,
    ( ( mia_forename("1","1")
    <=> $false )
    & ( mia_forename("1","2")
    <=> $false )
    & ( mia_forename("1","3")
    <=> $false )
    & ( mia_forename("1","4")
    <=> $true )
    & ( mia_forename("1","5")
    <=> $false )
    & ( mia_forename("1","6")
    <=> $false )
    & ( mia_forename("1","7")
    <=> $false )
    & ( mia_forename("1","8")
    <=> $false )
    & ( mia_forename("1","9")
    <=> $false )
    & ( mia_forename("1","10")
    <=> $false )
    & ! [X2] :
        ( mia_forename("2",X2)
      <=> mia_forename("1",X2) )
    & ! [X2] :
        ( mia_forename("3",X2)
      <=> mia_forename("2",X2) )
    & ! [X2] :
        ( mia_forename("4",X2)
      <=> mia_forename("3",X2) )
    & ! [X2] :
        ( mia_forename("5",X2)
      <=> mia_forename("4",X2) )
    & ! [X2] :
        ( mia_forename("6",X2)
      <=> mia_forename("5",X2) )
    & ! [X2] :
        ( mia_forename("7",X2)
      <=> mia_forename("6",X2) )
    & ! [X2] :
        ( mia_forename("8",X2)
      <=> mia_forename("7",X2) )
    & ! [X2] :
        ( mia_forename("9",X2)
      <=> mia_forename("8",X2) )
    & ! [X2] :
        ( mia_forename("10",X2)
      <=> mia_forename("9",X2) ) ) ).

fof(multiple,fi_predicates,
    ( ( multiple("1","1")
    <=> $true )
    & ( multiple("1","2")
    <=> $false )
    & ( multiple("1","3")
    <=> $false )
    & ( multiple("1","4")
    <=> $false )
    & ( multiple("1","5")
    <=> $false )
    & ( multiple("1","6")
    <=> $false )
    & ( multiple("1","7")
    <=> $false )
    & ( multiple("1","8")
    <=> $false )
    & ( multiple("1","9")
    <=> $false )
    & ( multiple("1","10")
    <=> $false )
    & ! [X2] :
        ( multiple("2",X2)
      <=> multiple("1",X2) )
    & ! [X2] :
        ( multiple("3",X2)
      <=> multiple("2",X2) )
    & ! [X2] :
        ( multiple("4",X2)
      <=> multiple("3",X2) )
    & ! [X2] :
        ( multiple("5",X2)
      <=> multiple("4",X2) )
    & ! [X2] :
        ( multiple("6",X2)
      <=> multiple("5",X2) )
    & ! [X2] :
        ( multiple("7",X2)
      <=> multiple("6",X2) )
    & ! [X2] :
        ( multiple("8",X2)
      <=> multiple("7",X2) )
    & ! [X2] :
        ( multiple("9",X2)
      <=> multiple("8",X2) )
    & ! [X2] :
        ( multiple("10",X2)
      <=> multiple("9",X2) ) ) ).

fof(nonexistent,fi_predicates,
    ( ( nonexistent("1","1")
    <=> $false )
    & ( nonexistent("1","2")
    <=> $true )
    & ( nonexistent("1","3")
    <=> $false )
    & ( nonexistent("1","4")
    <=> $false )
    & ( nonexistent("1","5")
    <=> $false )
    & ( nonexistent("1","6")
    <=> $true )
    & ( nonexistent("1","7")
    <=> $true )
    & ( nonexistent("1","8")
    <=> $true )
    & ( nonexistent("1","9")
    <=> $true )
    & ( nonexistent("1","10")
    <=> $true )
    & ! [X2] :
        ( nonexistent("2",X2)
      <=> nonexistent("1",X2) )
    & ! [X2] :
        ( nonexistent("3",X2)
      <=> nonexistent("2",X2) )
    & ! [X2] :
        ( nonexistent("4",X2)
      <=> nonexistent("3",X2) )
    & ! [X2] :
        ( nonexistent("5",X2)
      <=> nonexistent("4",X2) )
    & ! [X2] :
        ( nonexistent("6",X2)
      <=> nonexistent("5",X2) )
    & ! [X2] :
        ( nonexistent("7",X2)
      <=> nonexistent("6",X2) )
    & ! [X2] :
        ( nonexistent("8",X2)
      <=> nonexistent("7",X2) )
    & ! [X2] :
        ( nonexistent("9",X2)
      <=> nonexistent("8",X2) )
    & ! [X2] :
        ( nonexistent("10",X2)
      <=> nonexistent("9",X2) ) ) ).

fof(nonhuman,fi_predicates,
    ( ( nonhuman("1","1")
    <=> $false )
    & ( nonhuman("1","2")
    <=> $false )
    & ( nonhuman("1","3")
    <=> $true )
    & ( nonhuman("1","4")
    <=> $true )
    & ( nonhuman("1","5")
    <=> $false )
    & ( nonhuman("1","6")
    <=> $true )
    & ( nonhuman("1","7")
    <=> $true )
    & ( nonhuman("1","8")
    <=> $true )
    & ( nonhuman("1","9")
    <=> $true )
    & ( nonhuman("1","10")
    <=> $false )
    & ! [X2] :
        ( nonhuman("2",X2)
      <=> nonhuman("1",X2) )
    & ! [X2] :
        ( nonhuman("3",X2)
      <=> nonhuman("2",X2) )
    & ! [X2] :
        ( nonhuman("4",X2)
      <=> nonhuman("3",X2) )
    & ! [X2] :
        ( nonhuman("5",X2)
      <=> nonhuman("4",X2) )
    & ! [X2] :
        ( nonhuman("6",X2)
      <=> nonhuman("5",X2) )
    & ! [X2] :
        ( nonhuman("7",X2)
      <=> nonhuman("6",X2) )
    & ! [X2] :
        ( nonhuman("8",X2)
      <=> nonhuman("7",X2) )
    & ! [X2] :
        ( nonhuman("9",X2)
      <=> nonhuman("8",X2) )
    & ! [X2] :
        ( nonhuman("10",X2)
      <=> nonhuman("9",X2) ) ) ).

fof(nonliving,fi_predicates,
    ( ( nonliving("1","1")
    <=> $false )
    & ( nonliving("1","2")
    <=> $false )
    & ( nonliving("1","3")
    <=> $true )
    & ( nonliving("1","4")
    <=> $false )
    & ( nonliving("1","5")
    <=> $false )
    & ( nonliving("1","6")
    <=> $false )
    & ( nonliving("1","7")
    <=> $false )
    & ( nonliving("1","8")
    <=> $false )
    & ( nonliving("1","9")
    <=> $false )
    & ( nonliving("1","10")
    <=> $false )
    & ! [X2] :
        ( nonliving("2",X2)
      <=> nonliving("1",X2) )
    & ! [X2] :
        ( nonliving("3",X2)
      <=> nonliving("2",X2) )
    & ! [X2] :
        ( nonliving("4",X2)
      <=> nonliving("3",X2) )
    & ! [X2] :
        ( nonliving("5",X2)
      <=> nonliving("4",X2) )
    & ! [X2] :
        ( nonliving("6",X2)
      <=> nonliving("5",X2) )
    & ! [X2] :
        ( nonliving("7",X2)
      <=> nonliving("6",X2) )
    & ! [X2] :
        ( nonliving("8",X2)
      <=> nonliving("7",X2) )
    & ! [X2] :
        ( nonliving("9",X2)
      <=> nonliving("8",X2) )
    & ! [X2] :
        ( nonliving("10",X2)
      <=> nonliving("9",X2) ) ) ).

fof(nonreflexive,fi_predicates,
    ( ( nonreflexive("1","1")
    <=> $false )
    & ( nonreflexive("1","2")
    <=> $true )
    & ( nonreflexive("1","3")
    <=> $false )
    & ( nonreflexive("1","4")
    <=> $false )
    & ( nonreflexive("1","5")
    <=> $false )
    & ( nonreflexive("1","6")
    <=> $true )
    & ( nonreflexive("1","7")
    <=> $true )
    & ( nonreflexive("1","8")
    <=> $true )
    & ( nonreflexive("1","9")
    <=> $true )
    & ( nonreflexive("1","10")
    <=> $true )
    & ! [X2] :
        ( nonreflexive("2",X2)
      <=> nonreflexive("1",X2) )
    & ! [X2] :
        ( nonreflexive("3",X2)
      <=> nonreflexive("2",X2) )
    & ! [X2] :
        ( nonreflexive("4",X2)
      <=> nonreflexive("3",X2) )
    & ! [X2] :
        ( nonreflexive("5",X2)
      <=> nonreflexive("4",X2) )
    & ! [X2] :
        ( nonreflexive("6",X2)
      <=> nonreflexive("5",X2) )
    & ! [X2] :
        ( nonreflexive("7",X2)
      <=> nonreflexive("6",X2) )
    & ! [X2] :
        ( nonreflexive("8",X2)
      <=> nonreflexive("7",X2) )
    & ! [X2] :
        ( nonreflexive("9",X2)
      <=> nonreflexive("8",X2) )
    & ! [X2] :
        ( nonreflexive("10",X2)
      <=> nonreflexive("9",X2) ) ) ).

fof(object,fi_predicates,
    ( ( object("1","1")
    <=> $false )
    & ( object("1","2")
    <=> $false )
    & ( object("1","3")
    <=> $true )
    & ( object("1","4")
    <=> $false )
    & ( object("1","5")
    <=> $false )
    & ( object("1","6")
    <=> $false )
    & ( object("1","7")
    <=> $false )
    & ( object("1","8")
    <=> $false )
    & ( object("1","9")
    <=> $false )
    & ( object("1","10")
    <=> $false )
    & ! [X2] :
        ( object("2",X2)
      <=> object("1",X2) )
    & ! [X2] :
        ( object("3",X2)
      <=> object("2",X2) )
    & ! [X2] :
        ( object("4",X2)
      <=> object("3",X2) )
    & ! [X2] :
        ( object("5",X2)
      <=> object("4",X2) )
    & ! [X2] :
        ( object("6",X2)
      <=> object("5",X2) )
    & ! [X2] :
        ( object("7",X2)
      <=> object("6",X2) )
    & ! [X2] :
        ( object("8",X2)
      <=> object("7",X2) )
    & ! [X2] :
        ( object("9",X2)
      <=> object("8",X2) )
    & ! [X2] :
        ( object("10",X2)
      <=> object("9",X2) ) ) ).

fof(of,fi_predicates,
    ( ( of("1","1","1")
    <=> $false )
    & ( of("1","1","2")
    <=> $true )
    & ( of("1","1","3")
    <=> $false )
    & ( of("1","1","4")
    <=> $false )
    & ( of("1","1","5")
    <=> $false )
    & ( of("1","1","6")
    <=> $false )
    & ( of("1","1","7")
    <=> $false )
    & ( of("1","1","8")
    <=> $false )
    & ( of("1","1","9")
    <=> $false )
    & ( of("1","1","10")
    <=> $false )
    & ( of("1","2","1")
    <=> $false )
    & ( of("1","2","2")
    <=> $false )
    & ( of("1","2","3")
    <=> $false )
    & ( of("1","2","4")
    <=> $true )
    & ( of("1","2","5")
    <=> $false )
    & ( of("1","2","6")
    <=> $false )
    & ( of("1","2","7")
    <=> $false )
    & ( of("1","2","8")
    <=> $false )
    & ( of("1","2","9")
    <=> $false )
    & ( of("1","2","10")
    <=> $false )
    & ( of("1","3","1")
    <=> $true )
    & ( of("1","3","2")
    <=> $true )
    & ( of("1","3","3")
    <=> $false )
    & ( of("1","3","4")
    <=> $true )
    & ( of("1","3","5")
    <=> $false )
    & ( of("1","3","6")
    <=> $false )
    & ( of("1","3","7")
    <=> $false )
    & ( of("1","3","8")
    <=> $false )
    & ( of("1","3","9")
    <=> $false )
    & ( of("1","3","10")
    <=> $false )
    & ( of("1","4","1")
    <=> $true )
    & ( of("1","4","2")
    <=> $false )
    & ( of("1","4","3")
    <=> $false )
    & ( of("1","4","4")
    <=> $false )
    & ( of("1","4","5")
    <=> $true )
    & ( of("1","4","6")
    <=> $false )
    & ( of("1","4","7")
    <=> $false )
    & ( of("1","4","8")
    <=> $false )
    & ( of("1","4","9")
    <=> $false )
    & ( of("1","4","10")
    <=> $false )
    & ( of("1","5","1")
    <=> $false )
    & ( of("1","5","2")
    <=> $true )
    & ( of("1","5","3")
    <=> $false )
    & ( of("1","5","4")
    <=> $false )
    & ( of("1","5","5")
    <=> $false )
    & ( of("1","5","6")
    <=> $false )
    & ( of("1","5","7")
    <=> $false )
    & ( of("1","5","8")
    <=> $false )
    & ( of("1","5","9")
    <=> $false )
    & ( of("1","5","10")
    <=> $false )
    & ( of("1","6","1")
    <=> $false )
    & ( of("1","6","2")
    <=> $false )
    & ( of("1","6","3")
    <=> $false )
    & ( of("1","6","4")
    <=> $true )
    & ( of("1","6","5")
    <=> $false )
    & ( of("1","6","6")
    <=> $false )
    & ( of("1","6","7")
    <=> $false )
    & ( of("1","6","8")
    <=> $false )
    & ( of("1","6","9")
    <=> $false )
    & ( of("1","6","10")
    <=> $false )
    & ( of("1","7","1")
    <=> $false )
    & ( of("1","7","2")
    <=> $false )
    & ( of("1","7","3")
    <=> $false )
    & ( of("1","7","4")
    <=> $false )
    & ( of("1","7","5")
    <=> $false )
    & ( of("1","7","6")
    <=> $false )
    & ( of("1","7","7")
    <=> $false )
    & ( of("1","7","8")
    <=> $false )
    & ( of("1","7","9")
    <=> $false )
    & ( of("1","7","10")
    <=> $false )
    & ( of("1","8","1")
    <=> $true )
    & ( of("1","8","2")
    <=> $false )
    & ( of("1","8","3")
    <=> $false )
    & ( of("1","8","4")
    <=> $false )
    & ( of("1","8","5")
    <=> $false )
    & ( of("1","8","6")
    <=> $false )
    & ( of("1","8","7")
    <=> $false )
    & ( of("1","8","8")
    <=> $false )
    & ( of("1","8","9")
    <=> $false )
    & ( of("1","8","10")
    <=> $false )
    & ( of("1","9","1")
    <=> $false )
    & ( of("1","9","2")
    <=> $true )
    & ( of("1","9","3")
    <=> $false )
    & ( of("1","9","4")
    <=> $false )
    & ( of("1","9","5")
    <=> $false )
    & ( of("1","9","6")
    <=> $false )
    & ( of("1","9","7")
    <=> $false )
    & ( of("1","9","8")
    <=> $false )
    & ( of("1","9","9")
    <=> $false )
    & ( of("1","9","10")
    <=> $false )
    & ( of("1","10","1")
    <=> $false )
    & ( of("1","10","2")
    <=> $false )
    & ( of("1","10","3")
    <=> $false )
    & ( of("1","10","4")
    <=> $true )
    & ( of("1","10","5")
    <=> $false )
    & ( of("1","10","6")
    <=> $false )
    & ( of("1","10","7")
    <=> $false )
    & ( of("1","10","8")
    <=> $false )
    & ( of("1","10","9")
    <=> $false )
    & ( of("1","10","10")
    <=> $false )
    & ! [X2,X3] :
        ( of("2",X2,X3)
      <=> of("1",X2,X3) )
    & ! [X2,X3] :
        ( of("3",X2,X3)
      <=> of("2",X2,X3) )
    & ! [X2,X3] :
        ( of("4",X2,X3)
      <=> of("3",X2,X3) )
    & ! [X2,X3] :
        ( of("5",X2,X3)
      <=> of("4",X2,X3) )
    & ! [X2,X3] :
        ( of("6",X2,X3)
      <=> of("5",X2,X3) )
    & ! [X2,X3] :
        ( of("7",X2,X3)
      <=> of("6",X2,X3) )
    & ! [X2,X3] :
        ( of("8",X2,X3)
      <=> of("7",X2,X3) )
    & ! [X2,X3] :
        ( of("9",X2,X3)
      <=> of("8",X2,X3) )
    & ! [X2,X3] :
        ( of("10",X2,X3)
      <=> of("9",X2,X3) ) ) ).

fof(order,fi_predicates,
    ( ( order("1","1")
    <=> $false )
    & ( order("1","2")
    <=> $true )
    & ( order("1","3")
    <=> $false )
    & ( order("1","4")
    <=> $false )
    & ( order("1","5")
    <=> $false )
    & ( order("1","6")
    <=> $false )
    & ( order("1","7")
    <=> $false )
    & ( order("1","8")
    <=> $false )
    & ( order("1","9")
    <=> $false )
    & ( order("1","10")
    <=> $false )
    & ! [X2] :
        ( order("2",X2)
      <=> order("1",X2) )
    & ! [X2] :
        ( order("3",X2)
      <=> order("2",X2) )
    & ! [X2] :
        ( order("4",X2)
      <=> order("3",X2) )
    & ! [X2] :
        ( order("5",X2)
      <=> order("4",X2) )
    & ! [X2] :
        ( order("6",X2)
      <=> order("5",X2) )
    & ! [X2] :
        ( order("7",X2)
      <=> order("6",X2) )
    & ! [X2] :
        ( order("8",X2)
      <=> order("7",X2) )
    & ! [X2] :
        ( order("9",X2)
      <=> order("8",X2) )
    & ! [X2] :
        ( order("10",X2)
      <=> order("9",X2) ) ) ).

fof(organism,fi_predicates,
    ( ( organism("1","1")
    <=> $false )
    & ( organism("1","2")
    <=> $false )
    & ( organism("1","3")
    <=> $false )
    & ( organism("1","4")
    <=> $false )
    & ( organism("1","5")
    <=> $true )
    & ( organism("1","6")
    <=> $false )
    & ( organism("1","7")
    <=> $false )
    & ( organism("1","8")
    <=> $false )
    & ( organism("1","9")
    <=> $false )
    & ( organism("1","10")
    <=> $false )
    & ! [X2] :
        ( organism("2",X2)
      <=> organism("1",X2) )
    & ! [X2] :
        ( organism("3",X2)
      <=> organism("2",X2) )
    & ! [X2] :
        ( organism("4",X2)
      <=> organism("3",X2) )
    & ! [X2] :
        ( organism("5",X2)
      <=> organism("4",X2) )
    & ! [X2] :
        ( organism("6",X2)
      <=> organism("5",X2) )
    & ! [X2] :
        ( organism("7",X2)
      <=> organism("6",X2) )
    & ! [X2] :
        ( organism("8",X2)
      <=> organism("7",X2) )
    & ! [X2] :
        ( organism("9",X2)
      <=> organism("8",X2) )
    & ! [X2] :
        ( organism("10",X2)
      <=> organism("9",X2) ) ) ).

fof(past,fi_predicates,
    ( ( past("1","1")
    <=> $false )
    & ( past("1","2")
    <=> $true )
    & ( past("1","3")
    <=> $false )
    & ( past("1","4")
    <=> $false )
    & ( past("1","5")
    <=> $false )
    & ( past("1","6")
    <=> $false )
    & ( past("1","7")
    <=> $false )
    & ( past("1","8")
    <=> $false )
    & ( past("1","9")
    <=> $false )
    & ( past("1","10")
    <=> $false )
    & ! [X2] :
        ( past("2",X2)
      <=> past("1",X2) )
    & ! [X2] :
        ( past("3",X2)
      <=> past("2",X2) )
    & ! [X2] :
        ( past("4",X2)
      <=> past("3",X2) )
    & ! [X2] :
        ( past("5",X2)
      <=> past("4",X2) )
    & ! [X2] :
        ( past("6",X2)
      <=> past("5",X2) )
    & ! [X2] :
        ( past("7",X2)
      <=> past("6",X2) )
    & ! [X2] :
        ( past("8",X2)
      <=> past("7",X2) )
    & ! [X2] :
        ( past("9",X2)
      <=> past("8",X2) )
    & ! [X2] :
        ( past("10",X2)
      <=> past("9",X2) ) ) ).

fof(patient,fi_predicates,
    ( ( patient("1","1","1")
    <=> $false )
    & ( patient("1","1","2")
    <=> $false )
    & ( patient("1","1","3")
    <=> $false )
    & ( patient("1","1","4")
    <=> $false )
    & ( patient("1","1","5")
    <=> $false )
    & ( patient("1","1","6")
    <=> $false )
    & ( patient("1","1","7")
    <=> $false )
    & ( patient("1","1","8")
    <=> $false )
    & ( patient("1","1","9")
    <=> $false )
    & ( patient("1","1","10")
    <=> $false )
    & ( patient("1","2","1")
    <=> $false )
    & ( patient("1","2","2")
    <=> $false )
    & ( patient("1","2","3")
    <=> $true )
    & ( patient("1","2","4")
    <=> $false )
    & ( patient("1","2","5")
    <=> $false )
    & ( patient("1","2","6")
    <=> $false )
    & ( patient("1","2","7")
    <=> $false )
    & ( patient("1","2","8")
    <=> $false )
    & ( patient("1","2","9")
    <=> $false )
    & ( patient("1","2","10")
    <=> $false )
    & ( patient("1","3","1")
    <=> $false )
    & ( patient("1","3","2")
    <=> $false )
    & ( patient("1","3","3")
    <=> $false )
    & ( patient("1","3","4")
    <=> $false )
    & ( patient("1","3","5")
    <=> $false )
    & ( patient("1","3","6")
    <=> $false )
    & ( patient("1","3","7")
    <=> $false )
    & ( patient("1","3","8")
    <=> $false )
    & ( patient("1","3","9")
    <=> $false )
    & ( patient("1","3","10")
    <=> $false )
    & ( patient("1","4","1")
    <=> $false )
    & ( patient("1","4","2")
    <=> $false )
    & ( patient("1","4","3")
    <=> $false )
    & ( patient("1","4","4")
    <=> $false )
    & ( patient("1","4","5")
    <=> $false )
    & ( patient("1","4","6")
    <=> $false )
    & ( patient("1","4","7")
    <=> $false )
    & ( patient("1","4","8")
    <=> $false )
    & ( patient("1","4","9")
    <=> $false )
    & ( patient("1","4","10")
    <=> $false )
    & ( patient("1","5","1")
    <=> $false )
    & ( patient("1","5","2")
    <=> $false )
    & ( patient("1","5","3")
    <=> $false )
    & ( patient("1","5","4")
    <=> $false )
    & ( patient("1","5","5")
    <=> $false )
    & ( patient("1","5","6")
    <=> $false )
    & ( patient("1","5","7")
    <=> $false )
    & ( patient("1","5","8")
    <=> $false )
    & ( patient("1","5","9")
    <=> $false )
    & ( patient("1","5","10")
    <=> $false )
    & ( patient("1","6","1")
    <=> $false )
    & ( patient("1","6","2")
    <=> $false )
    & ( patient("1","6","3")
    <=> $false )
    & ( patient("1","6","4")
    <=> $true )
    & ( patient("1","6","5")
    <=> $false )
    & ( patient("1","6","6")
    <=> $true )
    & ( patient("1","6","7")
    <=> $true )
    & ( patient("1","6","8")
    <=> $true )
    & ( patient("1","6","9")
    <=> $true )
    & ( patient("1","6","10")
    <=> $false )
    & ( patient("1","7","1")
    <=> $false )
    & ( patient("1","7","2")
    <=> $false )
    & ( patient("1","7","3")
    <=> $false )
    & ( patient("1","7","4")
    <=> $true )
    & ( patient("1","7","5")
    <=> $false )
    & ( patient("1","7","6")
    <=> $true )
    & ( patient("1","7","7")
    <=> $false )
    & ( patient("1","7","8")
    <=> $true )
    & ( patient("1","7","9")
    <=> $true )
    & ( patient("1","7","10")
    <=> $false )
    & ( patient("1","8","1")
    <=> $false )
    & ( patient("1","8","2")
    <=> $false )
    & ( patient("1","8","3")
    <=> $false )
    & ( patient("1","8","4")
    <=> $true )
    & ( patient("1","8","5")
    <=> $false )
    & ( patient("1","8","6")
    <=> $true )
    & ( patient("1","8","7")
    <=> $true )
    & ( patient("1","8","8")
    <=> $false )
    & ( patient("1","8","9")
    <=> $true )
    & ( patient("1","8","10")
    <=> $false )
    & ( patient("1","9","1")
    <=> $false )
    & ( patient("1","9","2")
    <=> $false )
    & ( patient("1","9","3")
    <=> $false )
    & ( patient("1","9","4")
    <=> $true )
    & ( patient("1","9","5")
    <=> $false )
    & ( patient("1","9","6")
    <=> $true )
    & ( patient("1","9","7")
    <=> $true )
    & ( patient("1","9","8")
    <=> $true )
    & ( patient("1","9","9")
    <=> $false )
    & ( patient("1","9","10")
    <=> $false )
    & ( patient("1","10","1")
    <=> $false )
    & ( patient("1","10","2")
    <=> $false )
    & ( patient("1","10","3")
    <=> $false )
    & ( patient("1","10","4")
    <=> $true )
    & ( patient("1","10","5")
    <=> $false )
    & ( patient("1","10","6")
    <=> $true )
    & ( patient("1","10","7")
    <=> $true )
    & ( patient("1","10","8")
    <=> $true )
    & ( patient("1","10","9")
    <=> $true )
    & ( patient("1","10","10")
    <=> $false )
    & ! [X2,X3] :
        ( patient("2",X2,X3)
      <=> patient("1",X2,X3) )
    & ! [X2,X3] :
        ( patient("3",X2,X3)
      <=> patient("2",X2,X3) )
    & ! [X2,X3] :
        ( patient("4",X2,X3)
      <=> patient("3",X2,X3) )
    & ! [X2,X3] :
        ( patient("5",X2,X3)
      <=> patient("4",X2,X3) )
    & ! [X2,X3] :
        ( patient("6",X2,X3)
      <=> patient("5",X2,X3) )
    & ! [X2,X3] :
        ( patient("7",X2,X3)
      <=> patient("6",X2,X3) )
    & ! [X2,X3] :
        ( patient("8",X2,X3)
      <=> patient("7",X2,X3) )
    & ! [X2,X3] :
        ( patient("9",X2,X3)
      <=> patient("8",X2,X3) )
    & ! [X2,X3] :
        ( patient("10",X2,X3)
      <=> patient("9",X2,X3) ) ) ).

fof(possession,fi_predicates,
    ( ( possession("1","1")
    <=> $false )
    & ( possession("1","2")
    <=> $false )
    & ( possession("1","3")
    <=> $false )
    & ( possession("1","4")
    <=> $true )
    & ( possession("1","5")
    <=> $false )
    & ( possession("1","6")
    <=> $true )
    & ( possession("1","7")
    <=> $true )
    & ( possession("1","8")
    <=> $true )
    & ( possession("1","9")
    <=> $true )
    & ( possession("1","10")
    <=> $false )
    & ! [X2] :
        ( possession("2",X2)
      <=> possession("1",X2) )
    & ! [X2] :
        ( possession("3",X2)
      <=> possession("2",X2) )
    & ! [X2] :
        ( possession("4",X2)
      <=> possession("3",X2) )
    & ! [X2] :
        ( possession("5",X2)
      <=> possession("4",X2) )
    & ! [X2] :
        ( possession("6",X2)
      <=> possession("5",X2) )
    & ! [X2] :
        ( possession("7",X2)
      <=> possession("6",X2) )
    & ! [X2] :
        ( possession("8",X2)
      <=> possession("7",X2) )
    & ! [X2] :
        ( possession("9",X2)
      <=> possession("8",X2) )
    & ! [X2] :
        ( possession("10",X2)
      <=> possession("9",X2) ) ) ).

fof(present,fi_predicates,
    ( ( present("1","1")
    <=> $false )
    & ( present("1","2")
    <=> $false )
    & ( present("1","3")
    <=> $false )
    & ( present("1","4")
    <=> $false )
    & ( present("1","5")
    <=> $false )
    & ( present("1","6")
    <=> $true )
    & ( present("1","7")
    <=> $true )
    & ( present("1","8")
    <=> $true )
    & ( present("1","9")
    <=> $true )
    & ( present("1","10")
    <=> $true )
    & ! [X2] :
        ( present("2",X2)
      <=> present("1",X2) )
    & ! [X2] :
        ( present("3",X2)
      <=> present("2",X2) )
    & ! [X2] :
        ( present("4",X2)
      <=> present("3",X2) )
    & ! [X2] :
        ( present("5",X2)
      <=> present("4",X2) )
    & ! [X2] :
        ( present("6",X2)
      <=> present("5",X2) )
    & ! [X2] :
        ( present("7",X2)
      <=> present("6",X2) )
    & ! [X2] :
        ( present("8",X2)
      <=> present("7",X2) )
    & ! [X2] :
        ( present("9",X2)
      <=> present("8",X2) )
    & ! [X2] :
        ( present("10",X2)
      <=> present("9",X2) ) ) ).

fof(relation,fi_predicates,
    ( ( relation("1","1")
    <=> $false )
    & ( relation("1","2")
    <=> $false )
    & ( relation("1","3")
    <=> $false )
    & ( relation("1","4")
    <=> $true )
    & ( relation("1","5")
    <=> $false )
    & ( relation("1","6")
    <=> $false )
    & ( relation("1","7")
    <=> $false )
    & ( relation("1","8")
    <=> $false )
    & ( relation("1","9")
    <=> $false )
    & ( relation("1","10")
    <=> $false )
    & ! [X2] :
        ( relation("2",X2)
      <=> relation("1",X2) )
    & ! [X2] :
        ( relation("3",X2)
      <=> relation("2",X2) )
    & ! [X2] :
        ( relation("4",X2)
      <=> relation("3",X2) )
    & ! [X2] :
        ( relation("5",X2)
      <=> relation("4",X2) )
    & ! [X2] :
        ( relation("6",X2)
      <=> relation("5",X2) )
    & ! [X2] :
        ( relation("7",X2)
      <=> relation("6",X2) )
    & ! [X2] :
        ( relation("8",X2)
      <=> relation("7",X2) )
    & ! [X2] :
        ( relation("9",X2)
      <=> relation("8",X2) )
    & ! [X2] :
        ( relation("10",X2)
      <=> relation("9",X2) ) ) ).

fof(relname,fi_predicates,
    ( ( relname("1","1")
    <=> $false )
    & ( relname("1","2")
    <=> $false )
    & ( relname("1","3")
    <=> $false )
    & ( relname("1","4")
    <=> $true )
    & ( relname("1","5")
    <=> $false )
    & ( relname("1","6")
    <=> $false )
    & ( relname("1","7")
    <=> $false )
    & ( relname("1","8")
    <=> $false )
    & ( relname("1","9")
    <=> $false )
    & ( relname("1","10")
    <=> $false )
    & ! [X2] :
        ( relname("2",X2)
      <=> relname("1",X2) )
    & ! [X2] :
        ( relname("3",X2)
      <=> relname("2",X2) )
    & ! [X2] :
        ( relname("4",X2)
      <=> relname("3",X2) )
    & ! [X2] :
        ( relname("5",X2)
      <=> relname("4",X2) )
    & ! [X2] :
        ( relname("6",X2)
      <=> relname("5",X2) )
    & ! [X2] :
        ( relname("7",X2)
      <=> relname("6",X2) )
    & ! [X2] :
        ( relname("8",X2)
      <=> relname("7",X2) )
    & ! [X2] :
        ( relname("9",X2)
      <=> relname("8",X2) )
    & ! [X2] :
        ( relname("10",X2)
      <=> relname("9",X2) ) ) ).

fof(set,fi_predicates,
    ( ( set("1","1")
    <=> $true )
    & ( set("1","2")
    <=> $false )
    & ( set("1","3")
    <=> $false )
    & ( set("1","4")
    <=> $false )
    & ( set("1","5")
    <=> $false )
    & ( set("1","6")
    <=> $false )
    & ( set("1","7")
    <=> $false )
    & ( set("1","8")
    <=> $false )
    & ( set("1","9")
    <=> $false )
    & ( set("1","10")
    <=> $false )
    & ! [X2] :
        ( set("2",X2)
      <=> set("1",X2) )
    & ! [X2] :
        ( set("3",X2)
      <=> set("2",X2) )
    & ! [X2] :
        ( set("4",X2)
      <=> set("3",X2) )
    & ! [X2] :
        ( set("5",X2)
      <=> set("4",X2) )
    & ! [X2] :
        ( set("6",X2)
      <=> set("5",X2) )
    & ! [X2] :
        ( set("7",X2)
      <=> set("6",X2) )
    & ! [X2] :
        ( set("8",X2)
      <=> set("7",X2) )
    & ! [X2] :
        ( set("9",X2)
      <=> set("8",X2) )
    & ! [X2] :
        ( set("10",X2)
      <=> set("9",X2) ) ) ).

fof(shake_beverage,fi_predicates,
    ( ( shake_beverage("1","1")
    <=> $false )
    & ( shake_beverage("1","2")
    <=> $false )
    & ( shake_beverage("1","3")
    <=> $true )
    & ( shake_beverage("1","4")
    <=> $false )
    & ( shake_beverage("1","5")
    <=> $false )
    & ( shake_beverage("1","6")
    <=> $false )
    & ( shake_beverage("1","7")
    <=> $false )
    & ( shake_beverage("1","8")
    <=> $false )
    & ( shake_beverage("1","9")
    <=> $false )
    & ( shake_beverage("1","10")
    <=> $false )
    & ! [X2] :
        ( shake_beverage("2",X2)
      <=> shake_beverage("1",X2) )
    & ! [X2] :
        ( shake_beverage("3",X2)
      <=> shake_beverage("2",X2) )
    & ! [X2] :
        ( shake_beverage("4",X2)
      <=> shake_beverage("3",X2) )
    & ! [X2] :
        ( shake_beverage("5",X2)
      <=> shake_beverage("4",X2) )
    & ! [X2] :
        ( shake_beverage("6",X2)
      <=> shake_beverage("5",X2) )
    & ! [X2] :
        ( shake_beverage("7",X2)
      <=> shake_beverage("6",X2) )
    & ! [X2] :
        ( shake_beverage("8",X2)
      <=> shake_beverage("7",X2) )
    & ! [X2] :
        ( shake_beverage("9",X2)
      <=> shake_beverage("8",X2) )
    & ! [X2] :
        ( shake_beverage("10",X2)
      <=> shake_beverage("9",X2) ) ) ).

fof(singleton,fi_predicates,
    ( ( singleton("1","1")
    <=> $false )
    & ( singleton("1","2")
    <=> $true )
    & ( singleton("1","3")
    <=> $true )
    & ( singleton("1","4")
    <=> $true )
    & ( singleton("1","5")
    <=> $true )
    & ( singleton("1","6")
    <=> $true )
    & ( singleton("1","7")
    <=> $true )
    & ( singleton("1","8")
    <=> $true )
    & ( singleton("1","9")
    <=> $true )
    & ( singleton("1","10")
    <=> $true )
    & ! [X2] :
        ( singleton("2",X2)
      <=> singleton("1",X2) )
    & ! [X2] :
        ( singleton("3",X2)
      <=> singleton("2",X2) )
    & ! [X2] :
        ( singleton("4",X2)
      <=> singleton("3",X2) )
    & ! [X2] :
        ( singleton("5",X2)
      <=> singleton("4",X2) )
    & ! [X2] :
        ( singleton("6",X2)
      <=> singleton("5",X2) )
    & ! [X2] :
        ( singleton("7",X2)
      <=> singleton("6",X2) )
    & ! [X2] :
        ( singleton("8",X2)
      <=> singleton("7",X2) )
    & ! [X2] :
        ( singleton("9",X2)
      <=> singleton("8",X2) )
    & ! [X2] :
        ( singleton("10",X2)
      <=> singleton("9",X2) ) ) ).

fof(skc11,fi_functors,
    skc11 = "4" ).

fof(skc12,fi_functors,
    skc12 = "5" ).

fof(skc6,fi_functors,
    skc6 = "1" ).

fof(skc7,fi_functors,
    skc7 = "1" ).

fof(skc8,fi_functors,
    skc8 = "2" ).

fof(skc9,fi_functors,
    skc9 = "3" ).

fof(skf11,fi_functors,
    ( skf11("1","1") = "7"
    & skf11("2","1") = "2"
    & skf11("3","1") = "2"
    & skf11("4","1") = "3"
    & skf11("5","1") = "4"
    & skf11("6","1") = "5"
    & skf11("7","1") = "6"
    & skf11("8","1") = "7"
    & skf11("9","1") = "8"
    & skf11("10","1") = "9"
    & ! [X1] : skf11(X1,"2") = skf11(X1,"1")
    & ! [X1] : skf11(X1,"3") = skf11(X1,"2")
    & ! [X1] : skf11(X1,"4") = skf11(X1,"3")
    & ! [X1] : skf11(X1,"5") = skf11(X1,"4")
    & ! [X1] : skf11(X1,"6") = skf11(X1,"5")
    & ! [X1] : skf11(X1,"7") = skf11(X1,"6")
    & ! [X1] : skf11(X1,"8") = skf11(X1,"7")
    & ! [X1] : skf11(X1,"9") = skf11(X1,"8")
    & ! [X1] : skf11(X1,"10") = skf11(X1,"9") ) ).

fof(skf13,fi_functors,
    ( skf13("1","1") = "4"
    & skf13("2","1") = "1"
    & skf13("3","1") = "2"
    & skf13("4","1") = "3"
    & skf13("5","1") = "4"
    & skf13("6","1") = "5"
    & skf13("7","1") = "6"
    & skf13("8","1") = "7"
    & skf13("9","1") = "8"
    & skf13("10","1") = "9"
    & ! [X1] : skf13(X1,"2") = skf13(X1,"1")
    & ! [X1] : skf13(X1,"3") = skf13(X1,"2")
    & ! [X1] : skf13(X1,"4") = skf13(X1,"3")
    & ! [X1] : skf13(X1,"5") = skf13(X1,"4")
    & ! [X1] : skf13(X1,"6") = skf13(X1,"5")
    & ! [X1] : skf13(X1,"7") = skf13(X1,"6")
    & ! [X1] : skf13(X1,"8") = skf13(X1,"7")
    & ! [X1] : skf13(X1,"9") = skf13(X1,"8")
    & ! [X1] : skf13(X1,"10") = skf13(X1,"9") ) ).

fof(skf15,fi_functors,
    ( skf15("1","1") = "8"
    & skf15("2","1") = "1"
    & skf15("3","1") = "2"
    & skf15("4","1") = "3"
    & skf15("5","1") = "4"
    & skf15("6","1") = "5"
    & skf15("7","1") = "6"
    & skf15("8","1") = "7"
    & skf15("9","1") = "8"
    & skf15("10","1") = "9"
    & ! [X1] : skf15(X1,"2") = skf15(X1,"1")
    & ! [X1] : skf15(X1,"3") = skf15(X1,"2")
    & ! [X1] : skf15(X1,"4") = skf15(X1,"3")
    & ! [X1] : skf15(X1,"5") = skf15(X1,"4")
    & ! [X1] : skf15(X1,"6") = skf15(X1,"5")
    & ! [X1] : skf15(X1,"7") = skf15(X1,"6")
    & ! [X1] : skf15(X1,"8") = skf15(X1,"7")
    & ! [X1] : skf15(X1,"9") = skf15(X1,"8")
    & ! [X1] : skf15(X1,"10") = skf15(X1,"9") ) ).

fof(skf17,fi_functors,
    ( skf17("1","1") = "9"
    & skf17("2","1") = "1"
    & skf17("3","1") = "2"
    & skf17("4","1") = "3"
    & skf17("5","1") = "4"
    & skf17("6","1") = "5"
    & skf17("7","1") = "6"
    & skf17("8","1") = "7"
    & skf17("9","1") = "8"
    & skf17("10","1") = "9"
    & ! [X1] : skf17(X1,"2") = skf17(X1,"1")
    & ! [X1] : skf17(X1,"3") = skf17(X1,"2")
    & ! [X1] : skf17(X1,"4") = skf17(X1,"3")
    & ! [X1] : skf17(X1,"5") = skf17(X1,"4")
    & ! [X1] : skf17(X1,"6") = skf17(X1,"5")
    & ! [X1] : skf17(X1,"7") = skf17(X1,"6")
    & ! [X1] : skf17(X1,"8") = skf17(X1,"7")
    & ! [X1] : skf17(X1,"9") = skf17(X1,"8")
    & ! [X1] : skf17(X1,"10") = skf17(X1,"9") ) ).

fof(skf18,fi_functors,
    ( skf18("1","1","1","1","1","1","1") = "1"
    & skf18("1","1","1","1","1","2","1") = "1"
    & skf18("1","1","1","1","1","3","1") = "2"
    & skf18("1","1","1","1","1","4","1") = "3"
    & skf18("1","1","1","1","1","5","1") = "4"
    & skf18("1","1","1","1","1","6","1") = "5"
    & skf18("1","1","1","1","1","7","1") = "6"
    & skf18("1","1","1","1","1","8","1") = "7"
    & skf18("1","1","1","1","1","9","1") = "8"
    & skf18("1","1","1","1","1","10","1") = "9"
    & skf18("1","1","1","1","2","1","1") = "1"
    & skf18("1","1","1","1","2","2","1") = "2"
    & skf18("1","1","1","1","2","3","1") = "2"
    & skf18("1","1","1","1","2","4","1") = "3"
    & skf18("1","1","1","1","2","5","1") = "4"
    & skf18("1","1","1","1","2","6","1") = "5"
    & skf18("1","1","1","1","2","7","1") = "6"
    & skf18("1","1","1","1","2","8","1") = "7"
    & skf18("1","1","1","1","2","9","1") = "8"
    & skf18("1","1","1","1","2","10","1") = "9"
    & skf18("1","1","1","1","3","1","1") = "2"
    & skf18("1","1","1","1","3","2","1") = "2"
    & skf18("1","1","1","1","3","3","1") = "2"
    & skf18("1","1","1","1","3","4","1") = "3"
    & skf18("1","1","1","1","3","5","1") = "4"
    & skf18("1","1","1","1","3","6","1") = "5"
    & skf18("1","1","1","1","3","7","1") = "6"
    & skf18("1","1","1","1","3","8","1") = "7"
    & skf18("1","1","1","1","3","9","1") = "8"
    & skf18("1","1","1","1","3","10","1") = "9"
    & skf18("1","1","1","1","4","1","1") = "3"
    & skf18("1","1","1","1","4","2","1") = "3"
    & skf18("1","1","1","1","4","3","1") = "3"
    & skf18("1","1","1","1","4","4","1") = "3"
    & skf18("1","1","1","1","4","5","1") = "4"
    & skf18("1","1","1","1","4","6","1") = "5"
    & skf18("1","1","1","1","4","7","1") = "6"
    & skf18("1","1","1","1","4","8","1") = "7"
    & skf18("1","1","1","1","4","9","1") = "8"
    & skf18("1","1","1","1","4","10","1") = "9"
    & skf18("1","1","1","1","5","1","1") = "4"
    & skf18("1","1","1","1","5","2","1") = "4"
    & skf18("1","1","1","1","5","3","1") = "4"
    & skf18("1","1","1","1","5","4","1") = "4"
    & skf18("1","1","1","1","5","5","1") = "4"
    & skf18("1","1","1","1","5","6","1") = "5"
    & skf18("1","1","1","1","5","7","1") = "6"
    & skf18("1","1","1","1","5","8","1") = "7"
    & skf18("1","1","1","1","5","9","1") = "8"
    & skf18("1","1","1","1","5","10","1") = "9"
    & skf18("1","1","1","1","6","1","1") = "5"
    & skf18("1","1","1","1","6","2","1") = "5"
    & skf18("1","1","1","1","6","3","1") = "5"
    & skf18("1","1","1","1","6","4","1") = "5"
    & skf18("1","1","1","1","6","5","1") = "5"
    & skf18("1","1","1","1","6","6","1") = "5"
    & skf18("1","1","1","1","6","7","1") = "6"
    & skf18("1","1","1","1","6","8","1") = "7"
    & skf18("1","1","1","1","6","9","1") = "8"
    & skf18("1","1","1","1","6","10","1") = "9"
    & skf18("1","1","1","1","7","1","1") = "6"
    & skf18("1","1","1","1","7","2","1") = "6"
    & skf18("1","1","1","1","7","3","1") = "6"
    & skf18("1","1","1","1","7","4","1") = "6"
    & skf18("1","1","1","1","7","5","1") = "6"
    & skf18("1","1","1","1","7","6","1") = "6"
    & skf18("1","1","1","1","7","7","1") = "6"
    & skf18("1","1","1","1","7","8","1") = "7"
    & skf18("1","1","1","1","7","9","1") = "8"
    & skf18("1","1","1","1","7","10","1") = "9"
    & skf18("1","1","1","1","8","1","1") = "7"
    & skf18("1","1","1","1","8","2","1") = "7"
    & skf18("1","1","1","1","8","3","1") = "7"
    & skf18("1","1","1","1","8","4","1") = "7"
    & skf18("1","1","1","1","8","5","1") = "7"
    & skf18("1","1","1","1","8","6","1") = "7"
    & skf18("1","1","1","1","8","7","1") = "7"
    & skf18("1","1","1","1","8","8","1") = "7"
    & skf18("1","1","1","1","8","9","1") = "8"
    & skf18("1","1","1","1","8","10","1") = "9"
    & skf18("1","1","1","1","9","1","1") = "8"
    & skf18("1","1","1","1","9","2","1") = "8"
    & skf18("1","1","1","1","9","3","1") = "8"
    & skf18("1","1","1","1","9","4","1") = "8"
    & skf18("1","1","1","1","9","5","1") = "8"
    & skf18("1","1","1","1","9","6","1") = "8"
    & skf18("1","1","1","1","9","7","1") = "8"
    & skf18("1","1","1","1","9","8","1") = "8"
    & skf18("1","1","1","1","9","9","1") = "8"
    & skf18("1","1","1","1","9","10","1") = "9"
    & skf18("1","1","1","1","10","1","1") = "9"
    & skf18("1","1","1","1","10","2","1") = "9"
    & skf18("1","1","1","1","10","3","1") = "9"
    & skf18("1","1","1","1","10","4","1") = "9"
    & skf18("1","1","1","1","10","5","1") = "9"
    & skf18("1","1","1","1","10","6","1") = "9"
    & skf18("1","1","1","1","10","7","1") = "9"
    & skf18("1","1","1","1","10","8","1") = "9"
    & skf18("1","1","1","1","10","9","1") = "9"
    & skf18("1","1","1","1","10","10","1") = "9"
    & skf18("1","1","1","2","1","1","1") = "1"
    & skf18("1","1","1","2","1","2","1") = "2"
    & skf18("1","1","1","2","1","3","1") = "2"
    & skf18("1","1","1","2","1","4","1") = "3"
    & skf18("1","1","1","2","1","5","1") = "4"
    & skf18("1","1","1","2","1","6","1") = "5"
    & skf18("1","1","1","2","1","7","1") = "6"
    & skf18("1","1","1","2","1","8","1") = "7"
    & skf18("1","1","1","2","1","9","1") = "8"
    & skf18("1","1","1","2","1","10","1") = "9"
    & skf18("1","1","1","2","2","1","1") = "1"
    & skf18("1","1","1","2","2","2","1") = "1"
    & skf18("1","1","1","2","2","3","1") = "2"
    & skf18("1","1","1","2","2","4","1") = "3"
    & skf18("1","1","1","2","2","5","1") = "4"
    & skf18("1","1","1","2","2","6","1") = "5"
    & skf18("1","1","1","2","2","7","1") = "6"
    & skf18("1","1","1","2","2","8","1") = "7"
    & skf18("1","1","1","2","2","9","1") = "8"
    & skf18("1","1","1","2","2","10","1") = "9"
    & skf18("1","1","1","2","3","1","1") = "2"
    & skf18("1","1","1","2","3","2","1") = "2"
    & skf18("1","1","1","2","3","3","1") = "2"
    & skf18("1","1","1","2","3","4","1") = "3"
    & skf18("1","1","1","2","3","5","1") = "4"
    & skf18("1","1","1","2","3","6","1") = "5"
    & skf18("1","1","1","2","3","7","1") = "6"
    & skf18("1","1","1","2","3","8","1") = "7"
    & skf18("1","1","1","2","3","9","1") = "8"
    & skf18("1","1","1","2","3","10","1") = "9"
    & skf18("1","1","1","2","4","1","1") = "3"
    & skf18("1","1","1","2","4","2","1") = "3"
    & skf18("1","1","1","2","4","3","1") = "3"
    & skf18("1","1","1","2","4","4","1") = "3"
    & skf18("1","1","1","2","4","5","1") = "4"
    & skf18("1","1","1","2","4","6","1") = "5"
    & skf18("1","1","1","2","4","7","1") = "6"
    & skf18("1","1","1","2","4","8","1") = "7"
    & skf18("1","1","1","2","4","9","1") = "8"
    & skf18("1","1","1","2","4","10","1") = "9"
    & skf18("1","1","1","2","5","1","1") = "4"
    & skf18("1","1","1","2","5","2","1") = "4"
    & skf18("1","1","1","2","5","3","1") = "4"
    & skf18("1","1","1","2","5","4","1") = "4"
    & skf18("1","1","1","2","5","5","1") = "4"
    & skf18("1","1","1","2","5","6","1") = "5"
    & skf18("1","1","1","2","5","7","1") = "6"
    & skf18("1","1","1","2","5","8","1") = "7"
    & skf18("1","1","1","2","5","9","1") = "8"
    & skf18("1","1","1","2","5","10","1") = "9"
    & skf18("1","1","1","2","6","1","1") = "5"
    & skf18("1","1","1","2","6","2","1") = "5"
    & skf18("1","1","1","2","6","3","1") = "5"
    & skf18("1","1","1","2","6","4","1") = "5"
    & skf18("1","1","1","2","6","5","1") = "5"
    & skf18("1","1","1","2","6","6","1") = "5"
    & skf18("1","1","1","2","6","7","1") = "6"
    & skf18("1","1","1","2","6","8","1") = "7"
    & skf18("1","1","1","2","6","9","1") = "8"
    & skf18("1","1","1","2","6","10","1") = "9"
    & skf18("1","1","1","2","7","1","1") = "6"
    & skf18("1","1","1","2","7","2","1") = "6"
    & skf18("1","1","1","2","7","3","1") = "6"
    & skf18("1","1","1","2","7","4","1") = "6"
    & skf18("1","1","1","2","7","5","1") = "6"
    & skf18("1","1","1","2","7","6","1") = "6"
    & skf18("1","1","1","2","7","7","1") = "6"
    & skf18("1","1","1","2","7","8","1") = "7"
    & skf18("1","1","1","2","7","9","1") = "8"
    & skf18("1","1","1","2","7","10","1") = "9"
    & skf18("1","1","1","2","8","1","1") = "7"
    & skf18("1","1","1","2","8","2","1") = "7"
    & skf18("1","1","1","2","8","3","1") = "7"
    & skf18("1","1","1","2","8","4","1") = "7"
    & skf18("1","1","1","2","8","5","1") = "7"
    & skf18("1","1","1","2","8","6","1") = "7"
    & skf18("1","1","1","2","8","7","1") = "7"
    & skf18("1","1","1","2","8","8","1") = "7"
    & skf18("1","1","1","2","8","9","1") = "8"
    & skf18("1","1","1","2","8","10","1") = "9"
    & skf18("1","1","1","2","9","1","1") = "8"
    & skf18("1","1","1","2","9","2","1") = "8"
    & skf18("1","1","1","2","9","3","1") = "8"
    & skf18("1","1","1","2","9","4","1") = "8"
    & skf18("1","1","1","2","9","5","1") = "8"
    & skf18("1","1","1","2","9","6","1") = "8"
    & skf18("1","1","1","2","9","7","1") = "8"
    & skf18("1","1","1","2","9","8","1") = "8"
    & skf18("1","1","1","2","9","9","1") = "8"
    & skf18("1","1","1","2","9","10","1") = "9"
    & skf18("1","1","1","2","10","1","1") = "9"
    & skf18("1","1","1","2","10","2","1") = "9"
    & skf18("1","1","1","2","10","3","1") = "9"
    & skf18("1","1","1","2","10","4","1") = "9"
    & skf18("1","1","1","2","10","5","1") = "9"
    & skf18("1","1","1","2","10","6","1") = "9"
    & skf18("1","1","1","2","10","7","1") = "9"
    & skf18("1","1","1","2","10","8","1") = "9"
    & skf18("1","1","1","2","10","9","1") = "9"
    & skf18("1","1","1","2","10","10","1") = "9"
    & skf18("1","1","1","3","1","1","1") = "2"
    & skf18("1","1","1","3","1","2","1") = "2"
    & skf18("1","1","1","3","1","3","1") = "1"
    & skf18("1","1","1","3","1","4","1") = "3"
    & skf18("1","1","1","3","1","5","1") = "4"
    & skf18("1","1","1","3","1","6","1") = "5"
    & skf18("1","1","1","3","1","7","1") = "6"
    & skf18("1","1","1","3","1","8","1") = "7"
    & skf18("1","1","1","3","1","9","1") = "8"
    & skf18("1","1","1","3","1","10","1") = "9"
    & skf18("1","1","1","3","2","1","1") = "2"
    & skf18("1","1","1","3","2","2","1") = "2"
    & skf18("1","1","1","3","2","3","1") = "2"
    & skf18("1","1","1","3","2","4","1") = "3"
    & skf18("1","1","1","3","2","5","1") = "4"
    & skf18("1","1","1","3","2","6","1") = "5"
    & skf18("1","1","1","3","2","7","1") = "6"
    & skf18("1","1","1","3","2","8","1") = "7"
    & skf18("1","1","1","3","2","9","1") = "8"
    & skf18("1","1","1","3","2","10","1") = "9"
    & skf18("1","1","1","3","3","1","1") = "2"
    & skf18("1","1","1","3","3","2","1") = "2"
    & skf18("1","1","1","3","3","3","1") = "2"
    & skf18("1","1","1","3","3","4","1") = "3"
    & skf18("1","1","1","3","3","5","1") = "4"
    & skf18("1","1","1","3","3","6","1") = "5"
    & skf18("1","1","1","3","3","7","1") = "6"
    & skf18("1","1","1","3","3","8","1") = "7"
    & skf18("1","1","1","3","3","9","1") = "8"
    & skf18("1","1","1","3","3","10","1") = "9"
    & skf18("1","1","1","3","4","1","1") = "3"
    & skf18("1","1","1","3","4","2","1") = "3"
    & skf18("1","1","1","3","4","3","1") = "3"
    & skf18("1","1","1","3","4","4","1") = "3"
    & skf18("1","1","1","3","4","5","1") = "4"
    & skf18("1","1","1","3","4","6","1") = "5"
    & skf18("1","1","1","3","4","7","1") = "6"
    & skf18("1","1","1","3","4","8","1") = "7"
    & skf18("1","1","1","3","4","9","1") = "8"
    & skf18("1","1","1","3","4","10","1") = "9"
    & skf18("1","1","1","3","5","1","1") = "4"
    & skf18("1","1","1","3","5","2","1") = "4"
    & skf18("1","1","1","3","5","3","1") = "4"
    & skf18("1","1","1","3","5","4","1") = "4"
    & skf18("1","1","1","3","5","5","1") = "4"
    & skf18("1","1","1","3","5","6","1") = "5"
    & skf18("1","1","1","3","5","7","1") = "6"
    & skf18("1","1","1","3","5","8","1") = "7"
    & skf18("1","1","1","3","5","9","1") = "8"
    & skf18("1","1","1","3","5","10","1") = "9"
    & skf18("1","1","1","3","6","1","1") = "5"
    & skf18("1","1","1","3","6","2","1") = "5"
    & skf18("1","1","1","3","6","3","1") = "5"
    & skf18("1","1","1","3","6","4","1") = "5"
    & skf18("1","1","1","3","6","5","1") = "5"
    & skf18("1","1","1","3","6","6","1") = "5"
    & skf18("1","1","1","3","6","7","1") = "6"
    & skf18("1","1","1","3","6","8","1") = "7"
    & skf18("1","1","1","3","6","9","1") = "8"
    & skf18("1","1","1","3","6","10","1") = "9"
    & skf18("1","1","1","3","7","1","1") = "6"
    & skf18("1","1","1","3","7","2","1") = "6"
    & skf18("1","1","1","3","7","3","1") = "6"
    & skf18("1","1","1","3","7","4","1") = "6"
    & skf18("1","1","1","3","7","5","1") = "6"
    & skf18("1","1","1","3","7","6","1") = "6"
    & skf18("1","1","1","3","7","7","1") = "6"
    & skf18("1","1","1","3","7","8","1") = "7"
    & skf18("1","1","1","3","7","9","1") = "8"
    & skf18("1","1","1","3","7","10","1") = "9"
    & skf18("1","1","1","3","8","1","1") = "7"
    & skf18("1","1","1","3","8","2","1") = "7"
    & skf18("1","1","1","3","8","3","1") = "7"
    & skf18("1","1","1","3","8","4","1") = "7"
    & skf18("1","1","1","3","8","5","1") = "7"
    & skf18("1","1","1","3","8","6","1") = "7"
    & skf18("1","1","1","3","8","7","1") = "7"
    & skf18("1","1","1","3","8","8","1") = "7"
    & skf18("1","1","1","3","8","9","1") = "8"
    & skf18("1","1","1","3","8","10","1") = "9"
    & skf18("1","1","1","3","9","1","1") = "8"
    & skf18("1","1","1","3","9","2","1") = "8"
    & skf18("1","1","1","3","9","3","1") = "8"
    & skf18("1","1","1","3","9","4","1") = "8"
    & skf18("1","1","1","3","9","5","1") = "8"
    & skf18("1","1","1","3","9","6","1") = "8"
    & skf18("1","1","1","3","9","7","1") = "8"
    & skf18("1","1","1","3","9","8","1") = "8"
    & skf18("1","1","1","3","9","9","1") = "8"
    & skf18("1","1","1","3","9","10","1") = "9"
    & skf18("1","1","1","3","10","1","1") = "9"
    & skf18("1","1","1","3","10","2","1") = "9"
    & skf18("1","1","1","3","10","3","1") = "9"
    & skf18("1","1","1","3","10","4","1") = "9"
    & skf18("1","1","1","3","10","5","1") = "9"
    & skf18("1","1","1","3","10","6","1") = "9"
    & skf18("1","1","1","3","10","7","1") = "9"
    & skf18("1","1","1","3","10","8","1") = "9"
    & skf18("1","1","1","3","10","9","1") = "9"
    & skf18("1","1","1","3","10","10","1") = "9"
    & skf18("1","1","1","4","1","1","1") = "3"
    & skf18("1","1","1","4","1","2","1") = "3"
    & skf18("1","1","1","4","1","3","1") = "3"
    & skf18("1","1","1","4","1","4","1") = "3"
    & skf18("1","1","1","4","1","5","1") = "4"
    & skf18("1","1","1","4","1","6","1") = "5"
    & skf18("1","1","1","4","1","7","1") = "6"
    & skf18("1","1","1","4","1","8","1") = "7"
    & skf18("1","1","1","4","1","9","1") = "8"
    & skf18("1","1","1","4","1","10","1") = "9"
    & skf18("1","1","1","4","2","1","1") = "3"
    & skf18("1","1","1","4","2","2","1") = "3"
    & skf18("1","1","1","4","2","3","1") = "3"
    & skf18("1","1","1","4","2","4","1") = "3"
    & skf18("1","1","1","4","2","5","1") = "4"
    & skf18("1","1","1","4","2","6","1") = "5"
    & skf18("1","1","1","4","2","7","1") = "6"
    & skf18("1","1","1","4","2","8","1") = "7"
    & skf18("1","1","1","4","2","9","1") = "8"
    & skf18("1","1","1","4","2","10","1") = "9"
    & skf18("1","1","1","4","3","1","1") = "3"
    & skf18("1","1","1","4","3","2","1") = "3"
    & skf18("1","1","1","4","3","3","1") = "3"
    & skf18("1","1","1","4","3","4","1") = "3"
    & skf18("1","1","1","4","3","5","1") = "4"
    & skf18("1","1","1","4","3","6","1") = "5"
    & skf18("1","1","1","4","3","7","1") = "6"
    & skf18("1","1","1","4","3","8","1") = "7"
    & skf18("1","1","1","4","3","9","1") = "8"
    & skf18("1","1","1","4","3","10","1") = "9"
    & skf18("1","1","1","4","4","1","1") = "3"
    & skf18("1","1","1","4","4","2","1") = "3"
    & skf18("1","1","1","4","4","3","1") = "3"
    & skf18("1","1","1","4","4","4","1") = "3"
    & skf18("1","1","1","4","4","5","1") = "4"
    & skf18("1","1","1","4","4","6","1") = "5"
    & skf18("1","1","1","4","4","7","1") = "6"
    & skf18("1","1","1","4","4","8","1") = "7"
    & skf18("1","1","1","4","4","9","1") = "8"
    & skf18("1","1","1","4","4","10","1") = "9"
    & skf18("1","1","1","4","5","1","1") = "4"
    & skf18("1","1","1","4","5","2","1") = "4"
    & skf18("1","1","1","4","5","3","1") = "4"
    & skf18("1","1","1","4","5","4","1") = "4"
    & skf18("1","1","1","4","5","5","1") = "4"
    & skf18("1","1","1","4","5","6","1") = "5"
    & skf18("1","1","1","4","5","7","1") = "6"
    & skf18("1","1","1","4","5","8","1") = "7"
    & skf18("1","1","1","4","5","9","1") = "8"
    & skf18("1","1","1","4","5","10","1") = "9"
    & skf18("1","1","1","4","6","1","1") = "5"
    & skf18("1","1","1","4","6","2","1") = "5"
    & skf18("1","1","1","4","6","3","1") = "5"
    & skf18("1","1","1","4","6","4","1") = "5"
    & skf18("1","1","1","4","6","5","1") = "5"
    & skf18("1","1","1","4","6","6","1") = "5"
    & skf18("1","1","1","4","6","7","1") = "6"
    & skf18("1","1","1","4","6","8","1") = "7"
    & skf18("1","1","1","4","6","9","1") = "8"
    & skf18("1","1","1","4","6","10","1") = "9"
    & skf18("1","1","1","4","7","1","1") = "6"
    & skf18("1","1","1","4","7","2","1") = "6"
    & skf18("1","1","1","4","7","3","1") = "6"
    & skf18("1","1","1","4","7","4","1") = "6"
    & skf18("1","1","1","4","7","5","1") = "6"
    & skf18("1","1","1","4","7","6","1") = "6"
    & skf18("1","1","1","4","7","7","1") = "6"
    & skf18("1","1","1","4","7","8","1") = "7"
    & skf18("1","1","1","4","7","9","1") = "8"
    & skf18("1","1","1","4","7","10","1") = "9"
    & skf18("1","1","1","4","8","1","1") = "7"
    & skf18("1","1","1","4","8","2","1") = "7"
    & skf18("1","1","1","4","8","3","1") = "7"
    & skf18("1","1","1","4","8","4","1") = "7"
    & skf18("1","1","1","4","8","5","1") = "7"
    & skf18("1","1","1","4","8","6","1") = "7"
    & skf18("1","1","1","4","8","7","1") = "7"
    & skf18("1","1","1","4","8","8","1") = "7"
    & skf18("1","1","1","4","8","9","1") = "8"
    & skf18("1","1","1","4","8","10","1") = "9"
    & skf18("1","1","1","4","9","1","1") = "8"
    & skf18("1","1","1","4","9","2","1") = "8"
    & skf18("1","1","1","4","9","3","1") = "8"
    & skf18("1","1","1","4","9","4","1") = "8"
    & skf18("1","1","1","4","9","5","1") = "8"
    & skf18("1","1","1","4","9","6","1") = "8"
    & skf18("1","1","1","4","9","7","1") = "8"
    & skf18("1","1","1","4","9","8","1") = "8"
    & skf18("1","1","1","4","9","9","1") = "8"
    & skf18("1","1","1","4","9","10","1") = "9"
    & skf18("1","1","1","4","10","1","1") = "9"
    & skf18("1","1","1","4","10","2","1") = "9"
    & skf18("1","1","1","4","10","3","1") = "9"
    & skf18("1","1","1","4","10","4","1") = "9"
    & skf18("1","1","1","4","10","5","1") = "9"
    & skf18("1","1","1","4","10","6","1") = "9"
    & skf18("1","1","1","4","10","7","1") = "9"
    & skf18("1","1","1","4","10","8","1") = "9"
    & skf18("1","1","1","4","10","9","1") = "9"
    & skf18("1","1","1","4","10","10","1") = "9"
    & skf18("1","1","1","5","1","1","1") = "4"
    & skf18("1","1","1","5","1","2","1") = "4"
    & skf18("1","1","1","5","1","3","1") = "4"
    & skf18("1","1","1","5","1","4","1") = "4"
    & skf18("1","1","1","5","1","5","1") = "4"
    & skf18("1","1","1","5","1","6","1") = "5"
    & skf18("1","1","1","5","1","7","1") = "6"
    & skf18("1","1","1","5","1","8","1") = "7"
    & skf18("1","1","1","5","1","9","1") = "8"
    & skf18("1","1","1","5","1","10","1") = "9"
    & skf18("1","1","1","5","2","1","1") = "4"
    & skf18("1","1","1","5","2","2","1") = "4"
    & skf18("1","1","1","5","2","3","1") = "4"
    & skf18("1","1","1","5","2","4","1") = "4"
    & skf18("1","1","1","5","2","5","1") = "4"
    & skf18("1","1","1","5","2","6","1") = "5"
    & skf18("1","1","1","5","2","7","1") = "6"
    & skf18("1","1","1","5","2","8","1") = "7"
    & skf18("1","1","1","5","2","9","1") = "8"
    & skf18("1","1","1","5","2","10","1") = "9"
    & skf18("1","1","1","5","3","1","1") = "4"
    & skf18("1","1","1","5","3","2","1") = "4"
    & skf18("1","1","1","5","3","3","1") = "4"
    & skf18("1","1","1","5","3","4","1") = "4"
    & skf18("1","1","1","5","3","5","1") = "4"
    & skf18("1","1","1","5","3","6","1") = "5"
    & skf18("1","1","1","5","3","7","1") = "6"
    & skf18("1","1","1","5","3","8","1") = "7"
    & skf18("1","1","1","5","3","9","1") = "8"
    & skf18("1","1","1","5","3","10","1") = "9"
    & skf18("1","1","1","5","4","1","1") = "4"
    & skf18("1","1","1","5","4","2","1") = "4"
    & skf18("1","1","1","5","4","3","1") = "4"
    & skf18("1","1","1","5","4","4","1") = "4"
    & skf18("1","1","1","5","4","5","1") = "4"
    & skf18("1","1","1","5","4","6","1") = "5"
    & skf18("1","1","1","5","4","7","1") = "6"
    & skf18("1","1","1","5","4","8","1") = "7"
    & skf18("1","1","1","5","4","9","1") = "8"
    & skf18("1","1","1","5","4","10","1") = "9"
    & skf18("1","1","1","5","5","1","1") = "4"
    & skf18("1","1","1","5","5","2","1") = "4"
    & skf18("1","1","1","5","5","3","1") = "4"
    & skf18("1","1","1","5","5","4","1") = "4"
    & skf18("1","1","1","5","5","5","1") = "4"
    & skf18("1","1","1","5","5","6","1") = "5"
    & skf18("1","1","1","5","5","7","1") = "6"
    & skf18("1","1","1","5","5","8","1") = "7"
    & skf18("1","1","1","5","5","9","1") = "8"
    & skf18("1","1","1","5","5","10","1") = "9"
    & skf18("1","1","1","5","6","1","1") = "5"
    & skf18("1","1","1","5","6","2","1") = "5"
    & skf18("1","1","1","5","6","3","1") = "5"
    & skf18("1","1","1","5","6","4","1") = "5"
    & skf18("1","1","1","5","6","5","1") = "5"
    & skf18("1","1","1","5","6","6","1") = "5"
    & skf18("1","1","1","5","6","7","1") = "6"
    & skf18("1","1","1","5","6","8","1") = "7"
    & skf18("1","1","1","5","6","9","1") = "8"
    & skf18("1","1","1","5","6","10","1") = "9"
    & skf18("1","1","1","5","7","1","1") = "6"
    & skf18("1","1","1","5","7","2","1") = "6"
    & skf18("1","1","1","5","7","3","1") = "6"
    & skf18("1","1","1","5","7","4","1") = "6"
    & skf18("1","1","1","5","7","5","1") = "6"
    & skf18("1","1","1","5","7","6","1") = "6"
    & skf18("1","1","1","5","7","7","1") = "6"
    & skf18("1","1","1","5","7","8","1") = "7"
    & skf18("1","1","1","5","7","9","1") = "8"
    & skf18("1","1","1","5","7","10","1") = "9"
    & skf18("1","1","1","5","8","1","1") = "7"
    & skf18("1","1","1","5","8","2","1") = "7"
    & skf18("1","1","1","5","8","3","1") = "7"
    & skf18("1","1","1","5","8","4","1") = "7"
    & skf18("1","1","1","5","8","5","1") = "7"
    & skf18("1","1","1","5","8","6","1") = "7"
    & skf18("1","1","1","5","8","7","1") = "7"
    & skf18("1","1","1","5","8","8","1") = "7"
    & skf18("1","1","1","5","8","9","1") = "8"
    & skf18("1","1","1","5","8","10","1") = "9"
    & skf18("1","1","1","5","9","1","1") = "8"
    & skf18("1","1","1","5","9","2","1") = "8"
    & skf18("1","1","1","5","9","3","1") = "8"
    & skf18("1","1","1","5","9","4","1") = "8"
    & skf18("1","1","1","5","9","5","1") = "8"
    & skf18("1","1","1","5","9","6","1") = "8"
    & skf18("1","1","1","5","9","7","1") = "8"
    & skf18("1","1","1","5","9","8","1") = "8"
    & skf18("1","1","1","5","9","9","1") = "8"
    & skf18("1","1","1","5","9","10","1") = "9"
    & skf18("1","1","1","5","10","1","1") = "9"
    & skf18("1","1","1","5","10","2","1") = "9"
    & skf18("1","1","1","5","10","3","1") = "9"
    & skf18("1","1","1","5","10","4","1") = "9"
    & skf18("1","1","1","5","10","5","1") = "9"
    & skf18("1","1","1","5","10","6","1") = "9"
    & skf18("1","1","1","5","10","7","1") = "9"
    & skf18("1","1","1","5","10","8","1") = "9"
    & skf18("1","1","1","5","10","9","1") = "9"
    & skf18("1","1","1","5","10","10","1") = "9"
    & skf18("1","1","1","6","1","1","1") = "5"
    & skf18("1","1","1","6","1","2","1") = "5"
    & skf18("1","1","1","6","1","3","1") = "5"
    & skf18("1","1","1","6","1","4","1") = "5"
    & skf18("1","1","1","6","1","5","1") = "5"
    & skf18("1","1","1","6","1","6","1") = "5"
    & skf18("1","1","1","6","1","7","1") = "6"
    & skf18("1","1","1","6","1","8","1") = "7"
    & skf18("1","1","1","6","1","9","1") = "8"
    & skf18("1","1","1","6","1","10","1") = "9"
    & skf18("1","1","1","6","2","1","1") = "5"
    & skf18("1","1","1","6","2","2","1") = "5"
    & skf18("1","1","1","6","2","3","1") = "5"
    & skf18("1","1","1","6","2","4","1") = "5"
    & skf18("1","1","1","6","2","5","1") = "5"
    & skf18("1","1","1","6","2","6","1") = "5"
    & skf18("1","1","1","6","2","7","1") = "6"
    & skf18("1","1","1","6","2","8","1") = "7"
    & skf18("1","1","1","6","2","9","1") = "8"
    & skf18("1","1","1","6","2","10","1") = "9"
    & skf18("1","1","1","6","3","1","1") = "5"
    & skf18("1","1","1","6","3","2","1") = "5"
    & skf18("1","1","1","6","3","3","1") = "5"
    & skf18("1","1","1","6","3","4","1") = "5"
    & skf18("1","1","1","6","3","5","1") = "5"
    & skf18("1","1","1","6","3","6","1") = "5"
    & skf18("1","1","1","6","3","7","1") = "6"
    & skf18("1","1","1","6","3","8","1") = "7"
    & skf18("1","1","1","6","3","9","1") = "8"
    & skf18("1","1","1","6","3","10","1") = "9"
    & skf18("1","1","1","6","4","1","1") = "5"
    & skf18("1","1","1","6","4","2","1") = "5"
    & skf18("1","1","1","6","4","3","1") = "5"
    & skf18("1","1","1","6","4","4","1") = "5"
    & skf18("1","1","1","6","4","5","1") = "5"
    & skf18("1","1","1","6","4","6","1") = "5"
    & skf18("1","1","1","6","4","7","1") = "6"
    & skf18("1","1","1","6","4","8","1") = "7"
    & skf18("1","1","1","6","4","9","1") = "8"
    & skf18("1","1","1","6","4","10","1") = "9"
    & skf18("1","1","1","6","5","1","1") = "5"
    & skf18("1","1","1","6","5","2","1") = "5"
    & skf18("1","1","1","6","5","3","1") = "5"
    & skf18("1","1","1","6","5","4","1") = "5"
    & skf18("1","1","1","6","5","5","1") = "5"
    & skf18("1","1","1","6","5","6","1") = "5"
    & skf18("1","1","1","6","5","7","1") = "6"
    & skf18("1","1","1","6","5","8","1") = "7"
    & skf18("1","1","1","6","5","9","1") = "8"
    & skf18("1","1","1","6","5","10","1") = "9"
    & skf18("1","1","1","6","6","1","1") = "5"
    & skf18("1","1","1","6","6","2","1") = "5"
    & skf18("1","1","1","6","6","3","1") = "5"
    & skf18("1","1","1","6","6","4","1") = "5"
    & skf18("1","1","1","6","6","5","1") = "5"
    & skf18("1","1","1","6","6","6","1") = "5"
    & skf18("1","1","1","6","6","7","1") = "6"
    & skf18("1","1","1","6","6","8","1") = "7"
    & skf18("1","1","1","6","6","9","1") = "8"
    & skf18("1","1","1","6","6","10","1") = "9"
    & skf18("1","1","1","6","7","1","1") = "6"
    & skf18("1","1","1","6","7","2","1") = "6"
    & skf18("1","1","1","6","7","3","1") = "6"
    & skf18("1","1","1","6","7","4","1") = "6"
    & skf18("1","1","1","6","7","5","1") = "6"
    & skf18("1","1","1","6","7","6","1") = "6"
    & skf18("1","1","1","6","7","7","1") = "6"
    & skf18("1","1","1","6","7","8","1") = "7"
    & skf18("1","1","1","6","7","9","1") = "8"
    & skf18("1","1","1","6","7","10","1") = "9"
    & skf18("1","1","1","6","8","1","1") = "7"
    & skf18("1","1","1","6","8","2","1") = "7"
    & skf18("1","1","1","6","8","3","1") = "7"
    & skf18("1","1","1","6","8","4","1") = "7"
    & skf18("1","1","1","6","8","5","1") = "7"
    & skf18("1","1","1","6","8","6","1") = "7"
    & skf18("1","1","1","6","8","7","1") = "7"
    & skf18("1","1","1","6","8","8","1") = "7"
    & skf18("1","1","1","6","8","9","1") = "8"
    & skf18("1","1","1","6","8","10","1") = "9"
    & skf18("1","1","1","6","9","1","1") = "8"
    & skf18("1","1","1","6","9","2","1") = "8"
    & skf18("1","1","1","6","9","3","1") = "8"
    & skf18("1","1","1","6","9","4","1") = "8"
    & skf18("1","1","1","6","9","5","1") = "8"
    & skf18("1","1","1","6","9","6","1") = "8"
    & skf18("1","1","1","6","9","7","1") = "8"
    & skf18("1","1","1","6","9","8","1") = "8"
    & skf18("1","1","1","6","9","9","1") = "8"
    & skf18("1","1","1","6","9","10","1") = "9"
    & skf18("1","1","1","6","10","1","1") = "9"
    & skf18("1","1","1","6","10","2","1") = "9"
    & skf18("1","1","1","6","10","3","1") = "9"
    & skf18("1","1","1","6","10","4","1") = "9"
    & skf18("1","1","1","6","10","5","1") = "9"
    & skf18("1","1","1","6","10","6","1") = "9"
    & skf18("1","1","1","6","10","7","1") = "9"
    & skf18("1","1","1","6","10","8","1") = "9"
    & skf18("1","1","1","6","10","9","1") = "9"
    & skf18("1","1","1","6","10","10","1") = "9"
    & skf18("1","1","1","7","1","1","1") = "6"
    & skf18("1","1","1","7","1","2","1") = "6"
    & skf18("1","1","1","7","1","3","1") = "6"
    & skf18("1","1","1","7","1","4","1") = "6"
    & skf18("1","1","1","7","1","5","1") = "6"
    & skf18("1","1","1","7","1","6","1") = "6"
    & skf18("1","1","1","7","1","7","1") = "6"
    & skf18("1","1","1","7","1","8","1") = "7"
    & skf18("1","1","1","7","1","9","1") = "8"
    & skf18("1","1","1","7","1","10","1") = "9"
    & skf18("1","1","1","7","2","1","1") = "6"
    & skf18("1","1","1","7","2","2","1") = "6"
    & skf18("1","1","1","7","2","3","1") = "6"
    & skf18("1","1","1","7","2","4","1") = "6"
    & skf18("1","1","1","7","2","5","1") = "6"
    & skf18("1","1","1","7","2","6","1") = "6"
    & skf18("1","1","1","7","2","7","1") = "6"
    & skf18("1","1","1","7","2","8","1") = "7"
    & skf18("1","1","1","7","2","9","1") = "8"
    & skf18("1","1","1","7","2","10","1") = "9"
    & skf18("1","1","1","7","3","1","1") = "6"
    & skf18("1","1","1","7","3","2","1") = "6"
    & skf18("1","1","1","7","3","3","1") = "6"
    & skf18("1","1","1","7","3","4","1") = "6"
    & skf18("1","1","1","7","3","5","1") = "6"
    & skf18("1","1","1","7","3","6","1") = "6"
    & skf18("1","1","1","7","3","7","1") = "6"
    & skf18("1","1","1","7","3","8","1") = "7"
    & skf18("1","1","1","7","3","9","1") = "8"
    & skf18("1","1","1","7","3","10","1") = "9"
    & skf18("1","1","1","7","4","1","1") = "6"
    & skf18("1","1","1","7","4","2","1") = "6"
    & skf18("1","1","1","7","4","3","1") = "6"
    & skf18("1","1","1","7","4","4","1") = "6"
    & skf18("1","1","1","7","4","5","1") = "6"
    & skf18("1","1","1","7","4","6","1") = "6"
    & skf18("1","1","1","7","4","7","1") = "6"
    & skf18("1","1","1","7","4","8","1") = "7"
    & skf18("1","1","1","7","4","9","1") = "8"
    & skf18("1","1","1","7","4","10","1") = "9"
    & skf18("1","1","1","7","5","1","1") = "6"
    & skf18("1","1","1","7","5","2","1") = "6"
    & skf18("1","1","1","7","5","3","1") = "6"
    & skf18("1","1","1","7","5","4","1") = "6"
    & skf18("1","1","1","7","5","5","1") = "6"
    & skf18("1","1","1","7","5","6","1") = "6"
    & skf18("1","1","1","7","5","7","1") = "6"
    & skf18("1","1","1","7","5","8","1") = "7"
    & skf18("1","1","1","7","5","9","1") = "8"
    & skf18("1","1","1","7","5","10","1") = "9"
    & skf18("1","1","1","7","6","1","1") = "6"
    & skf18("1","1","1","7","6","2","1") = "6"
    & skf18("1","1","1","7","6","3","1") = "6"
    & skf18("1","1","1","7","6","4","1") = "6"
    & skf18("1","1","1","7","6","5","1") = "6"
    & skf18("1","1","1","7","6","6","1") = "6"
    & skf18("1","1","1","7","6","7","1") = "6"
    & skf18("1","1","1","7","6","8","1") = "7"
    & skf18("1","1","1","7","6","9","1") = "8"
    & skf18("1","1","1","7","6","10","1") = "9"
    & skf18("1","1","1","7","7","1","1") = "6"
    & skf18("1","1","1","7","7","2","1") = "6"
    & skf18("1","1","1","7","7","3","1") = "6"
    & skf18("1","1","1","7","7","4","1") = "6"
    & skf18("1","1","1","7","7","5","1") = "6"
    & skf18("1","1","1","7","7","6","1") = "6"
    & skf18("1","1","1","7","7","7","1") = "6"
    & skf18("1","1","1","7","7","8","1") = "7"
    & skf18("1","1","1","7","7","9","1") = "8"
    & skf18("1","1","1","7","7","10","1") = "9"
    & skf18("1","1","1","7","8","1","1") = "7"
    & skf18("1","1","1","7","8","2","1") = "7"
    & skf18("1","1","1","7","8","3","1") = "7"
    & skf18("1","1","1","7","8","4","1") = "7"
    & skf18("1","1","1","7","8","5","1") = "7"
    & skf18("1","1","1","7","8","6","1") = "7"
    & skf18("1","1","1","7","8","7","1") = "7"
    & skf18("1","1","1","7","8","8","1") = "7"
    & skf18("1","1","1","7","8","9","1") = "8"
    & skf18("1","1","1","7","8","10","1") = "9"
    & skf18("1","1","1","7","9","1","1") = "8"
    & skf18("1","1","1","7","9","2","1") = "8"
    & skf18("1","1","1","7","9","3","1") = "8"
    & skf18("1","1","1","7","9","4","1") = "8"
    & skf18("1","1","1","7","9","5","1") = "8"
    & skf18("1","1","1","7","9","6","1") = "8"
    & skf18("1","1","1","7","9","7","1") = "8"
    & skf18("1","1","1","7","9","8","1") = "8"
    & skf18("1","1","1","7","9","9","1") = "8"
    & skf18("1","1","1","7","9","10","1") = "9"
    & skf18("1","1","1","7","10","1","1") = "9"
    & skf18("1","1","1","7","10","2","1") = "9"
    & skf18("1","1","1","7","10","3","1") = "9"
    & skf18("1","1","1","7","10","4","1") = "9"
    & skf18("1","1","1","7","10","5","1") = "9"
    & skf18("1","1","1","7","10","6","1") = "9"
    & skf18("1","1","1","7","10","7","1") = "9"
    & skf18("1","1","1","7","10","8","1") = "9"
    & skf18("1","1","1","7","10","9","1") = "9"
    & skf18("1","1","1","7","10","10","1") = "9"
    & skf18("1","1","1","8","1","1","1") = "7"
    & skf18("1","1","1","8","1","2","1") = "7"
    & skf18("1","1","1","8","1","3","1") = "7"
    & skf18("1","1","1","8","1","4","1") = "7"
    & skf18("1","1","1","8","1","5","1") = "7"
    & skf18("1","1","1","8","1","6","1") = "7"
    & skf18("1","1","1","8","1","7","1") = "7"
    & skf18("1","1","1","8","1","8","1") = "7"
    & skf18("1","1","1","8","1","9","1") = "8"
    & skf18("1","1","1","8","1","10","1") = "9"
    & skf18("1","1","1","8","2","1","1") = "7"
    & skf18("1","1","1","8","2","2","1") = "7"
    & skf18("1","1","1","8","2","3","1") = "7"
    & skf18("1","1","1","8","2","4","1") = "7"
    & skf18("1","1","1","8","2","5","1") = "7"
    & skf18("1","1","1","8","2","6","1") = "7"
    & skf18("1","1","1","8","2","7","1") = "7"
    & skf18("1","1","1","8","2","8","1") = "7"
    & skf18("1","1","1","8","2","9","1") = "8"
    & skf18("1","1","1","8","2","10","1") = "9"
    & skf18("1","1","1","8","3","1","1") = "7"
    & skf18("1","1","1","8","3","2","1") = "7"
    & skf18("1","1","1","8","3","3","1") = "7"
    & skf18("1","1","1","8","3","4","1") = "7"
    & skf18("1","1","1","8","3","5","1") = "7"
    & skf18("1","1","1","8","3","6","1") = "7"
    & skf18("1","1","1","8","3","7","1") = "7"
    & skf18("1","1","1","8","3","8","1") = "7"
    & skf18("1","1","1","8","3","9","1") = "8"
    & skf18("1","1","1","8","3","10","1") = "9"
    & skf18("1","1","1","8","4","1","1") = "7"
    & skf18("1","1","1","8","4","2","1") = "7"
    & skf18("1","1","1","8","4","3","1") = "7"
    & skf18("1","1","1","8","4","4","1") = "7"
    & skf18("1","1","1","8","4","5","1") = "7"
    & skf18("1","1","1","8","4","6","1") = "7"
    & skf18("1","1","1","8","4","7","1") = "7"
    & skf18("1","1","1","8","4","8","1") = "7"
    & skf18("1","1","1","8","4","9","1") = "8"
    & skf18("1","1","1","8","4","10","1") = "9"
    & skf18("1","1","1","8","5","1","1") = "7"
    & skf18("1","1","1","8","5","2","1") = "7"
    & skf18("1","1","1","8","5","3","1") = "7"
    & skf18("1","1","1","8","5","4","1") = "7"
    & skf18("1","1","1","8","5","5","1") = "7"
    & skf18("1","1","1","8","5","6","1") = "7"
    & skf18("1","1","1","8","5","7","1") = "7"
    & skf18("1","1","1","8","5","8","1") = "7"
    & skf18("1","1","1","8","5","9","1") = "8"
    & skf18("1","1","1","8","5","10","1") = "9"
    & skf18("1","1","1","8","6","1","1") = "7"
    & skf18("1","1","1","8","6","2","1") = "7"
    & skf18("1","1","1","8","6","3","1") = "7"
    & skf18("1","1","1","8","6","4","1") = "7"
    & skf18("1","1","1","8","6","5","1") = "7"
    & skf18("1","1","1","8","6","6","1") = "7"
    & skf18("1","1","1","8","6","7","1") = "7"
    & skf18("1","1","1","8","6","8","1") = "7"
    & skf18("1","1","1","8","6","9","1") = "8"
    & skf18("1","1","1","8","6","10","1") = "9"
    & skf18("1","1","1","8","7","1","1") = "7"
    & skf18("1","1","1","8","7","2","1") = "7"
    & skf18("1","1","1","8","7","3","1") = "7"
    & skf18("1","1","1","8","7","4","1") = "7"
    & skf18("1","1","1","8","7","5","1") = "7"
    & skf18("1","1","1","8","7","6","1") = "7"
    & skf18("1","1","1","8","7","7","1") = "7"
    & skf18("1","1","1","8","7","8","1") = "7"
    & skf18("1","1","1","8","7","9","1") = "8"
    & skf18("1","1","1","8","7","10","1") = "9"
    & skf18("1","1","1","8","8","1","1") = "7"
    & skf18("1","1","1","8","8","2","1") = "7"
    & skf18("1","1","1","8","8","3","1") = "7"
    & skf18("1","1","1","8","8","4","1") = "7"
    & skf18("1","1","1","8","8","5","1") = "7"
    & skf18("1","1","1","8","8","6","1") = "7"
    & skf18("1","1","1","8","8","7","1") = "7"
    & skf18("1","1","1","8","8","8","1") = "7"
    & skf18("1","1","1","8","8","9","1") = "8"
    & skf18("1","1","1","8","8","10","1") = "9"
    & skf18("1","1","1","8","9","1","1") = "8"
    & skf18("1","1","1","8","9","2","1") = "8"
    & skf18("1","1","1","8","9","3","1") = "8"
    & skf18("1","1","1","8","9","4","1") = "8"
    & skf18("1","1","1","8","9","5","1") = "8"
    & skf18("1","1","1","8","9","6","1") = "8"
    & skf18("1","1","1","8","9","7","1") = "8"
    & skf18("1","1","1","8","9","8","1") = "8"
    & skf18("1","1","1","8","9","9","1") = "8"
    & skf18("1","1","1","8","9","10","1") = "9"
    & skf18("1","1","1","8","10","1","1") = "9"
    & skf18("1","1","1","8","10","2","1") = "9"
    & skf18("1","1","1","8","10","3","1") = "9"
    & skf18("1","1","1","8","10","4","1") = "9"
    & skf18("1","1","1","8","10","5","1") = "9"
    & skf18("1","1","1","8","10","6","1") = "9"
    & skf18("1","1","1","8","10","7","1") = "9"
    & skf18("1","1","1","8","10","8","1") = "9"
    & skf18("1","1","1","8","10","9","1") = "9"
    & skf18("1","1","1","8","10","10","1") = "9"
    & skf18("1","1","1","9","1","1","1") = "8"
    & skf18("1","1","1","9","1","2","1") = "8"
    & skf18("1","1","1","9","1","3","1") = "8"
    & skf18("1","1","1","9","1","4","1") = "8"
    & skf18("1","1","1","9","1","5","1") = "8"
    & skf18("1","1","1","9","1","6","1") = "8"
    & skf18("1","1","1","9","1","7","1") = "8"
    & skf18("1","1","1","9","1","8","1") = "8"
    & skf18("1","1","1","9","1","9","1") = "8"
    & skf18("1","1","1","9","1","10","1") = "9"
    & skf18("1","1","1","9","2","1","1") = "8"
    & skf18("1","1","1","9","2","2","1") = "8"
    & skf18("1","1","1","9","2","3","1") = "8"
    & skf18("1","1","1","9","2","4","1") = "8"
    & skf18("1","1","1","9","2","5","1") = "8"
    & skf18("1","1","1","9","2","6","1") = "8"
    & skf18("1","1","1","9","2","7","1") = "8"
    & skf18("1","1","1","9","2","8","1") = "8"
    & skf18("1","1","1","9","2","9","1") = "8"
    & skf18("1","1","1","9","2","10","1") = "9"
    & skf18("1","1","1","9","3","1","1") = "8"
    & skf18("1","1","1","9","3","2","1") = "8"
    & skf18("1","1","1","9","3","3","1") = "8"
    & skf18("1","1","1","9","3","4","1") = "8"
    & skf18("1","1","1","9","3","5","1") = "8"
    & skf18("1","1","1","9","3","6","1") = "8"
    & skf18("1","1","1","9","3","7","1") = "8"
    & skf18("1","1","1","9","3","8","1") = "8"
    & skf18("1","1","1","9","3","9","1") = "8"
    & skf18("1","1","1","9","3","10","1") = "9"
    & skf18("1","1","1","9","4","1","1") = "8"
    & skf18("1","1","1","9","4","2","1") = "8"
    & skf18("1","1","1","9","4","3","1") = "8"
    & skf18("1","1","1","9","4","4","1") = "8"
    & skf18("1","1","1","9","4","5","1") = "8"
    & skf18("1","1","1","9","4","6","1") = "8"
    & skf18("1","1","1","9","4","7","1") = "8"
    & skf18("1","1","1","9","4","8","1") = "8"
    & skf18("1","1","1","9","4","9","1") = "8"
    & skf18("1","1","1","9","4","10","1") = "9"
    & skf18("1","1","1","9","5","1","1") = "8"
    & skf18("1","1","1","9","5","2","1") = "8"
    & skf18("1","1","1","9","5","3","1") = "8"
    & skf18("1","1","1","9","5","4","1") = "8"
    & skf18("1","1","1","9","5","5","1") = "8"
    & skf18("1","1","1","9","5","6","1") = "8"
    & skf18("1","1","1","9","5","7","1") = "8"
    & skf18("1","1","1","9","5","8","1") = "8"
    & skf18("1","1","1","9","5","9","1") = "8"
    & skf18("1","1","1","9","5","10","1") = "9"
    & skf18("1","1","1","9","6","1","1") = "8"
    & skf18("1","1","1","9","6","2","1") = "8"
    & skf18("1","1","1","9","6","3","1") = "8"
    & skf18("1","1","1","9","6","4","1") = "8"
    & skf18("1","1","1","9","6","5","1") = "8"
    & skf18("1","1","1","9","6","6","1") = "8"
    & skf18("1","1","1","9","6","7","1") = "8"
    & skf18("1","1","1","9","6","8","1") = "8"
    & skf18("1","1","1","9","6","9","1") = "8"
    & skf18("1","1","1","9","6","10","1") = "9"
    & skf18("1","1","1","9","7","1","1") = "8"
    & skf18("1","1","1","9","7","2","1") = "8"
    & skf18("1","1","1","9","7","3","1") = "8"
    & skf18("1","1","1","9","7","4","1") = "8"
    & skf18("1","1","1","9","7","5","1") = "8"
    & skf18("1","1","1","9","7","6","1") = "8"
    & skf18("1","1","1","9","7","7","1") = "8"
    & skf18("1","1","1","9","7","8","1") = "8"
    & skf18("1","1","1","9","7","9","1") = "8"
    & skf18("1","1","1","9","7","10","1") = "9"
    & skf18("1","1","1","9","8","1","1") = "8"
    & skf18("1","1","1","9","8","2","1") = "8"
    & skf18("1","1","1","9","8","3","1") = "8"
    & skf18("1","1","1","9","8","4","1") = "8"
    & skf18("1","1","1","9","8","5","1") = "8"
    & skf18("1","1","1","9","8","6","1") = "8"
    & skf18("1","1","1","9","8","7","1") = "8"
    & skf18("1","1","1","9","8","8","1") = "8"
    & skf18("1","1","1","9","8","9","1") = "8"
    & skf18("1","1","1","9","8","10","1") = "9"
    & skf18("1","1","1","9","9","1","1") = "8"
    & skf18("1","1","1","9","9","2","1") = "8"
    & skf18("1","1","1","9","9","3","1") = "8"
    & skf18("1","1","1","9","9","4","1") = "8"
    & skf18("1","1","1","9","9","5","1") = "8"
    & skf18("1","1","1","9","9","6","1") = "8"
    & skf18("1","1","1","9","9","7","1") = "8"
    & skf18("1","1","1","9","9","8","1") = "8"
    & skf18("1","1","1","9","9","9","1") = "8"
    & skf18("1","1","1","9","9","10","1") = "9"
    & skf18("1","1","1","9","10","1","1") = "9"
    & skf18("1","1","1","9","10","2","1") = "9"
    & skf18("1","1","1","9","10","3","1") = "9"
    & skf18("1","1","1","9","10","4","1") = "9"
    & skf18("1","1","1","9","10","5","1") = "9"
    & skf18("1","1","1","9","10","6","1") = "9"
    & skf18("1","1","1","9","10","7","1") = "9"
    & skf18("1","1","1","9","10","8","1") = "9"
    & skf18("1","1","1","9","10","9","1") = "9"
    & skf18("1","1","1","9","10","10","1") = "9"
    & skf18("1","1","1","10","1","1","1") = "9"
    & skf18("1","1","1","10","1","2","1") = "9"
    & skf18("1","1","1","10","1","3","1") = "9"
    & skf18("1","1","1","10","1","4","1") = "9"
    & skf18("1","1","1","10","1","5","1") = "9"
    & skf18("1","1","1","10","1","6","1") = "9"
    & skf18("1","1","1","10","1","7","1") = "9"
    & skf18("1","1","1","10","1","8","1") = "9"
    & skf18("1","1","1","10","1","9","1") = "9"
    & skf18("1","1","1","10","1","10","1") = "9"
    & skf18("1","1","1","10","2","1","1") = "9"
    & skf18("1","1","1","10","2","2","1") = "9"
    & skf18("1","1","1","10","2","3","1") = "9"
    & skf18("1","1","1","10","2","4","1") = "9"
    & skf18("1","1","1","10","2","5","1") = "9"
    & skf18("1","1","1","10","2","6","1") = "9"
    & skf18("1","1","1","10","2","7","1") = "9"
    & skf18("1","1","1","10","2","8","1") = "9"
    & skf18("1","1","1","10","2","9","1") = "9"
    & skf18("1","1","1","10","2","10","1") = "9"
    & skf18("1","1","1","10","3","1","1") = "9"
    & skf18("1","1","1","10","3","2","1") = "9"
    & skf18("1","1","1","10","3","3","1") = "9"
    & skf18("1","1","1","10","3","4","1") = "9"
    & skf18("1","1","1","10","3","5","1") = "9"
    & skf18("1","1","1","10","3","6","1") = "9"
    & skf18("1","1","1","10","3","7","1") = "9"
    & skf18("1","1","1","10","3","8","1") = "9"
    & skf18("1","1","1","10","3","9","1") = "9"
    & skf18("1","1","1","10","3","10","1") = "9"
    & skf18("1","1","1","10","4","1","1") = "9"
    & skf18("1","1","1","10","4","2","1") = "9"
    & skf18("1","1","1","10","4","3","1") = "9"
    & skf18("1","1","1","10","4","4","1") = "9"
    & skf18("1","1","1","10","4","5","1") = "9"
    & skf18("1","1","1","10","4","6","1") = "9"
    & skf18("1","1","1","10","4","7","1") = "9"
    & skf18("1","1","1","10","4","8","1") = "9"
    & skf18("1","1","1","10","4","9","1") = "9"
    & skf18("1","1","1","10","4","10","1") = "9"
    & skf18("1","1","1","10","5","1","1") = "9"
    & skf18("1","1","1","10","5","2","1") = "9"
    & skf18("1","1","1","10","5","3","1") = "9"
    & skf18("1","1","1","10","5","4","1") = "9"
    & skf18("1","1","1","10","5","5","1") = "9"
    & skf18("1","1","1","10","5","6","1") = "9"
    & skf18("1","1","1","10","5","7","1") = "9"
    & skf18("1","1","1","10","5","8","1") = "9"
    & skf18("1","1","1","10","5","9","1") = "9"
    & skf18("1","1","1","10","5","10","1") = "9"
    & skf18("1","1","1","10","6","1","1") = "9"
    & skf18("1","1","1","10","6","2","1") = "9"
    & skf18("1","1","1","10","6","3","1") = "9"
    & skf18("1","1","1","10","6","4","1") = "9"
    & skf18("1","1","1","10","6","5","1") = "9"
    & skf18("1","1","1","10","6","6","1") = "9"
    & skf18("1","1","1","10","6","7","1") = "9"
    & skf18("1","1","1","10","6","8","1") = "9"
    & skf18("1","1","1","10","6","9","1") = "9"
    & skf18("1","1","1","10","6","10","1") = "9"
    & skf18("1","1","1","10","7","1","1") = "9"
    & skf18("1","1","1","10","7","2","1") = "9"
    & skf18("1","1","1","10","7","3","1") = "9"
    & skf18("1","1","1","10","7","4","1") = "9"
    & skf18("1","1","1","10","7","5","1") = "9"
    & skf18("1","1","1","10","7","6","1") = "9"
    & skf18("1","1","1","10","7","7","1") = "9"
    & skf18("1","1","1","10","7","8","1") = "9"
    & skf18("1","1","1","10","7","9","1") = "9"
    & skf18("1","1","1","10","7","10","1") = "9"
    & skf18("1","1","1","10","8","1","1") = "9"
    & skf18("1","1","1","10","8","2","1") = "9"
    & skf18("1","1","1","10","8","3","1") = "9"
    & skf18("1","1","1","10","8","4","1") = "9"
    & skf18("1","1","1","10","8","5","1") = "9"
    & skf18("1","1","1","10","8","6","1") = "9"
    & skf18("1","1","1","10","8","7","1") = "9"
    & skf18("1","1","1","10","8","8","1") = "9"
    & skf18("1","1","1","10","8","9","1") = "9"
    & skf18("1","1","1","10","8","10","1") = "9"
    & skf18("1","1","1","10","9","1","1") = "9"
    & skf18("1","1","1","10","9","2","1") = "9"
    & skf18("1","1","1","10","9","3","1") = "9"
    & skf18("1","1","1","10","9","4","1") = "9"
    & skf18("1","1","1","10","9","5","1") = "9"
    & skf18("1","1","1","10","9","6","1") = "9"
    & skf18("1","1","1","10","9","7","1") = "9"
    & skf18("1","1","1","10","9","8","1") = "9"
    & skf18("1","1","1","10","9","9","1") = "9"
    & skf18("1","1","1","10","9","10","1") = "9"
    & skf18("1","1","1","10","10","1","1") = "9"
    & skf18("1","1","1","10","10","2","1") = "9"
    & skf18("1","1","1","10","10","3","1") = "9"
    & skf18("1","1","1","10","10","4","1") = "9"
    & skf18("1","1","1","10","10","5","1") = "9"
    & skf18("1","1","1","10","10","6","1") = "9"
    & skf18("1","1","1","10","10","7","1") = "9"
    & skf18("1","1","1","10","10","8","1") = "9"
    & skf18("1","1","1","10","10","9","1") = "9"
    & skf18("1","1","1","10","10","10","1") = "9"
    & skf18("1","1","2","1","1","1","1") = "1"
    & skf18("1","1","2","1","1","2","1") = "1"
    & skf18("1","1","2","1","1","3","1") = "2"
    & skf18("1","1","2","1","1","4","1") = "3"
    & skf18("1","1","2","1","1","5","1") = "4"
    & skf18("1","1","2","1","1","6","1") = "5"
    & skf18("1","1","2","1","1","7","1") = "6"
    & skf18("1","1","2","1","1","8","1") = "7"
    & skf18("1","1","2","1","1","9","1") = "8"
    & skf18("1","1","2","1","1","10","1") = "9"
    & skf18("1","1","2","1","2","1","1") = "1"
    & skf18("1","1","2","1","2","2","1") = "2"
    & skf18("1","1","2","1","2","3","1") = "2"
    & skf18("1","1","2","1","2","4","1") = "3"
    & skf18("1","1","2","1","2","5","1") = "4"
    & skf18("1","1","2","1","2","6","1") = "5"
    & skf18("1","1","2","1","2","7","1") = "6"
    & skf18("1","1","2","1","2","8","1") = "7"
    & skf18("1","1","2","1","2","9","1") = "8"
    & skf18("1","1","2","1","2","10","1") = "9"
    & skf18("1","1","2","1","3","1","1") = "2"
    & skf18("1","1","2","1","3","2","1") = "2"
    & skf18("1","1","2","1","3","3","1") = "2"
    & skf18("1","1","2","1","3","4","1") = "3"
    & skf18("1","1","2","1","3","5","1") = "4"
    & skf18("1","1","2","1","3","6","1") = "5"
    & skf18("1","1","2","1","3","7","1") = "6"
    & skf18("1","1","2","1","3","8","1") = "7"
    & skf18("1","1","2","1","3","9","1") = "8"
    & skf18("1","1","2","1","3","10","1") = "9"
    & skf18("1","1","2","1","4","1","1") = "3"
    & skf18("1","1","2","1","4","2","1") = "3"
    & skf18("1","1","2","1","4","3","1") = "3"
    & skf18("1","1","2","1","4","4","1") = "3"
    & skf18("1","1","2","1","4","5","1") = "4"
    & skf18("1","1","2","1","4","6","1") = "5"
    & skf18("1","1","2","1","4","7","1") = "6"
    & skf18("1","1","2","1","4","8","1") = "7"
    & skf18("1","1","2","1","4","9","1") = "8"
    & skf18("1","1","2","1","4","10","1") = "9"
    & skf18("1","1","2","1","5","1","1") = "4"
    & skf18("1","1","2","1","5","2","1") = "4"
    & skf18("1","1","2","1","5","3","1") = "4"
    & skf18("1","1","2","1","5","4","1") = "4"
    & skf18("1","1","2","1","5","5","1") = "4"
    & skf18("1","1","2","1","5","6","1") = "5"
    & skf18("1","1","2","1","5","7","1") = "6"
    & skf18("1","1","2","1","5","8","1") = "7"
    & skf18("1","1","2","1","5","9","1") = "8"
    & skf18("1","1","2","1","5","10","1") = "9"
    & skf18("1","1","2","1","6","1","1") = "5"
    & skf18("1","1","2","1","6","2","1") = "5"
    & skf18("1","1","2","1","6","3","1") = "5"
    & skf18("1","1","2","1","6","4","1") = "5"
    & skf18("1","1","2","1","6","5","1") = "5"
    & skf18("1","1","2","1","6","6","1") = "5"
    & skf18("1","1","2","1","6","7","1") = "6"
    & skf18("1","1","2","1","6","8","1") = "7"
    & skf18("1","1","2","1","6","9","1") = "8"
    & skf18("1","1","2","1","6","10","1") = "9"
    & skf18("1","1","2","1","7","1","1") = "6"
    & skf18("1","1","2","1","7","2","1") = "6"
    & skf18("1","1","2","1","7","3","1") = "6"
    & skf18("1","1","2","1","7","4","1") = "6"
    & skf18("1","1","2","1","7","5","1") = "6"
    & skf18("1","1","2","1","7","6","1") = "6"
    & skf18("1","1","2","1","7","7","1") = "6"
    & skf18("1","1","2","1","7","8","1") = "7"
    & skf18("1","1","2","1","7","9","1") = "8"
    & skf18("1","1","2","1","7","10","1") = "9"
    & skf18("1","1","2","1","8","1","1") = "7"
    & skf18("1","1","2","1","8","2","1") = "7"
    & skf18("1","1","2","1","8","3","1") = "7"
    & skf18("1","1","2","1","8","4","1") = "7"
    & skf18("1","1","2","1","8","5","1") = "7"
    & skf18("1","1","2","1","8","6","1") = "7"
    & skf18("1","1","2","1","8","7","1") = "7"
    & skf18("1","1","2","1","8","8","1") = "7"
    & skf18("1","1","2","1","8","9","1") = "8"
    & skf18("1","1","2","1","8","10","1") = "9"
    & skf18("1","1","2","1","9","1","1") = "8"
    & skf18("1","1","2","1","9","2","1") = "8"
    & skf18("1","1","2","1","9","3","1") = "8"
    & skf18("1","1","2","1","9","4","1") = "8"
    & skf18("1","1","2","1","9","5","1") = "8"
    & skf18("1","1","2","1","9","6","1") = "8"
    & skf18("1","1","2","1","9","7","1") = "8"
    & skf18("1","1","2","1","9","8","1") = "8"
    & skf18("1","1","2","1","9","9","1") = "8"
    & skf18("1","1","2","1","9","10","1") = "9"
    & skf18("1","1","2","1","10","1","1") = "9"
    & skf18("1","1","2","1","10","2","1") = "9"
    & skf18("1","1","2","1","10","3","1") = "9"
    & skf18("1","1","2","1","10","4","1") = "9"
    & skf18("1","1","2","1","10","5","1") = "9"
    & skf18("1","1","2","1","10","6","1") = "9"
    & skf18("1","1","2","1","10","7","1") = "9"
    & skf18("1","1","2","1","10","8","1") = "9"
    & skf18("1","1","2","1","10","9","1") = "9"
    & skf18("1","1","2","1","10","10","1") = "9"
    & skf18("1","1","2","2","1","1","1") = "1"
    & skf18("1","1","2","2","1","2","1") = "1"
    & skf18("1","1","2","2","1","3","1") = "2"
    & skf18("1","1","2","2","1","4","1") = "3"
    & skf18("1","1","2","2","1","5","1") = "4"
    & skf18("1","1","2","2","1","6","1") = "5"
    & skf18("1","1","2","2","1","7","1") = "6"
    & skf18("1","1","2","2","1","8","1") = "7"
    & skf18("1","1","2","2","1","9","1") = "8"
    & skf18("1","1","2","2","1","10","1") = "9"
    & skf18("1","1","2","2","2","1","1") = "1"
    & skf18("1","1","2","2","2","2","1") = "1"
    & skf18("1","1","2","2","2","3","1") = "2"
    & skf18("1","1","2","2","2","4","1") = "3"
    & skf18("1","1","2","2","2","5","1") = "4"
    & skf18("1","1","2","2","2","6","1") = "5"
    & skf18("1","1","2","2","2","7","1") = "6"
    & skf18("1","1","2","2","2","8","1") = "7"
    & skf18("1","1","2","2","2","9","1") = "8"
    & skf18("1","1","2","2","2","10","1") = "9"
    & skf18("1","1","2","2","3","1","1") = "2"
    & skf18("1","1","2","2","3","2","1") = "2"
    & skf18("1","1","2","2","3","3","1") = "2"
    & skf18("1","1","2","2","3","4","1") = "3"
    & skf18("1","1","2","2","3","5","1") = "4"
    & skf18("1","1","2","2","3","6","1") = "5"
    & skf18("1","1","2","2","3","7","1") = "6"
    & skf18("1","1","2","2","3","8","1") = "7"
    & skf18("1","1","2","2","3","9","1") = "8"
    & skf18("1","1","2","2","3","10","1") = "9"
    & skf18("1","1","2","2","4","1","1") = "3"
    & skf18("1","1","2","2","4","2","1") = "3"
    & skf18("1","1","2","2","4","3","1") = "3"
    & skf18("1","1","2","2","4","4","1") = "3"
    & skf18("1","1","2","2","4","5","1") = "4"
    & skf18("1","1","2","2","4","6","1") = "5"
    & skf18("1","1","2","2","4","7","1") = "6"
    & skf18("1","1","2","2","4","8","1") = "7"
    & skf18("1","1","2","2","4","9","1") = "8"
    & skf18("1","1","2","2","4","10","1") = "9"
    & skf18("1","1","2","2","5","1","1") = "4"
    & skf18("1","1","2","2","5","2","1") = "4"
    & skf18("1","1","2","2","5","3","1") = "4"
    & skf18("1","1","2","2","5","4","1") = "4"
    & skf18("1","1","2","2","5","5","1") = "4"
    & skf18("1","1","2","2","5","6","1") = "5"
    & skf18("1","1","2","2","5","7","1") = "6"
    & skf18("1","1","2","2","5","8","1") = "7"
    & skf18("1","1","2","2","5","9","1") = "8"
    & skf18("1","1","2","2","5","10","1") = "9"
    & skf18("1","1","2","2","6","1","1") = "5"
    & skf18("1","1","2","2","6","2","1") = "5"
    & skf18("1","1","2","2","6","3","1") = "5"
    & skf18("1","1","2","2","6","4","1") = "5"
    & skf18("1","1","2","2","6","5","1") = "5"
    & skf18("1","1","2","2","6","6","1") = "5"
    & skf18("1","1","2","2","6","7","1") = "6"
    & skf18("1","1","2","2","6","8","1") = "7"
    & skf18("1","1","2","2","6","9","1") = "8"
    & skf18("1","1","2","2","6","10","1") = "9"
    & skf18("1","1","2","2","7","1","1") = "6"
    & skf18("1","1","2","2","7","2","1") = "6"
    & skf18("1","1","2","2","7","3","1") = "6"
    & skf18("1","1","2","2","7","4","1") = "6"
    & skf18("1","1","2","2","7","5","1") = "6"
    & skf18("1","1","2","2","7","6","1") = "6"
    & skf18("1","1","2","2","7","7","1") = "6"
    & skf18("1","1","2","2","7","8","1") = "7"
    & skf18("1","1","2","2","7","9","1") = "8"
    & skf18("1","1","2","2","7","10","1") = "9"
    & skf18("1","1","2","2","8","1","1") = "7"
    & skf18("1","1","2","2","8","2","1") = "7"
    & skf18("1","1","2","2","8","3","1") = "7"
    & skf18("1","1","2","2","8","4","1") = "7"
    & skf18("1","1","2","2","8","5","1") = "7"
    & skf18("1","1","2","2","8","6","1") = "7"
    & skf18("1","1","2","2","8","7","1") = "7"
    & skf18("1","1","2","2","8","8","1") = "7"
    & skf18("1","1","2","2","8","9","1") = "8"
    & skf18("1","1","2","2","8","10","1") = "9"
    & skf18("1","1","2","2","9","1","1") = "8"
    & skf18("1","1","2","2","9","2","1") = "8"
    & skf18("1","1","2","2","9","3","1") = "8"
    & skf18("1","1","2","2","9","4","1") = "8"
    & skf18("1","1","2","2","9","5","1") = "8"
    & skf18("1","1","2","2","9","6","1") = "8"
    & skf18("1","1","2","2","9","7","1") = "8"
    & skf18("1","1","2","2","9","8","1") = "8"
    & skf18("1","1","2","2","9","9","1") = "8"
    & skf18("1","1","2","2","9","10","1") = "9"
    & skf18("1","1","2","2","10","1","1") = "9"
    & skf18("1","1","2","2","10","2","1") = "9"
    & skf18("1","1","2","2","10","3","1") = "9"
    & skf18("1","1","2","2","10","4","1") = "9"
    & skf18("1","1","2","2","10","5","1") = "9"
    & skf18("1","1","2","2","10","6","1") = "9"
    & skf18("1","1","2","2","10","7","1") = "9"
    & skf18("1","1","2","2","10","8","1") = "9"
    & skf18("1","1","2","2","10","9","1") = "9"
    & skf18("1","1","2","2","10","10","1") = "9"
    & skf18("1","1","2","3","1","1","1") = "2"
    & skf18("1","1","2","3","1","2","1") = "1"
    & skf18("1","1","2","3","1","3","1") = "2"
    & skf18("1","1","2","3","1","4","1") = "3"
    & skf18("1","1","2","3","1","5","1") = "4"
    & skf18("1","1","2","3","1","6","1") = "5"
    & skf18("1","1","2","3","1","7","1") = "6"
    & skf18("1","1","2","3","1","8","1") = "7"
    & skf18("1","1","2","3","1","9","1") = "8"
    & skf18("1","1","2","3","1","10","1") = "9"
    & skf18("1","1","2","3","2","1","1") = "2"
    & skf18("1","1","2","3","2","2","1") = "2"
    & skf18("1","1","2","3","2","3","1") = "2"
    & skf18("1","1","2","3","2","4","1") = "3"
    & skf18("1","1","2","3","2","5","1") = "4"
    & skf18("1","1","2","3","2","6","1") = "5"
    & skf18("1","1","2","3","2","7","1") = "6"
    & skf18("1","1","2","3","2","8","1") = "7"
    & skf18("1","1","2","3","2","9","1") = "8"
    & skf18("1","1","2","3","2","10","1") = "9"
    & skf18("1","1","2","3","3","1","1") = "2"
    & skf18("1","1","2","3","3","2","1") = "2"
    & skf18("1","1","2","3","3","3","1") = "2"
    & skf18("1","1","2","3","3","4","1") = "3"
    & skf18("1","1","2","3","3","5","1") = "4"
    & skf18("1","1","2","3","3","6","1") = "5"
    & skf18("1","1","2","3","3","7","1") = "6"
    & skf18("1","1","2","3","3","8","1") = "7"
    & skf18("1","1","2","3","3","9","1") = "8"
    & skf18("1","1","2","3","3","10","1") = "9"
    & skf18("1","1","2","3","4","1","1") = "3"
    & skf18("1","1","2","3","4","2","1") = "3"
    & skf18("1","1","2","3","4","3","1") = "3"
    & skf18("1","1","2","3","4","4","1") = "3"
    & skf18("1","1","2","3","4","5","1") = "4"
    & skf18("1","1","2","3","4","6","1") = "5"
    & skf18("1","1","2","3","4","7","1") = "6"
    & skf18("1","1","2","3","4","8","1") = "7"
    & skf18("1","1","2","3","4","9","1") = "8"
    & skf18("1","1","2","3","4","10","1") = "9"
    & skf18("1","1","2","3","5","1","1") = "4"
    & skf18("1","1","2","3","5","2","1") = "4"
    & skf18("1","1","2","3","5","3","1") = "4"
    & skf18("1","1","2","3","5","4","1") = "4"
    & skf18("1","1","2","3","5","5","1") = "4"
    & skf18("1","1","2","3","5","6","1") = "5"
    & skf18("1","1","2","3","5","7","1") = "6"
    & skf18("1","1","2","3","5","8","1") = "7"
    & skf18("1","1","2","3","5","9","1") = "8"
    & skf18("1","1","2","3","5","10","1") = "9"
    & skf18("1","1","2","3","6","1","1") = "5"
    & skf18("1","1","2","3","6","2","1") = "5"
    & skf18("1","1","2","3","6","3","1") = "5"
    & skf18("1","1","2","3","6","4","1") = "5"
    & skf18("1","1","2","3","6","5","1") = "5"
    & skf18("1","1","2","3","6","6","1") = "5"
    & skf18("1","1","2","3","6","7","1") = "6"
    & skf18("1","1","2","3","6","8","1") = "7"
    & skf18("1","1","2","3","6","9","1") = "8"
    & skf18("1","1","2","3","6","10","1") = "9"
    & skf18("1","1","2","3","7","1","1") = "6"
    & skf18("1","1","2","3","7","2","1") = "6"
    & skf18("1","1","2","3","7","3","1") = "6"
    & skf18("1","1","2","3","7","4","1") = "6"
    & skf18("1","1","2","3","7","5","1") = "6"
    & skf18("1","1","2","3","7","6","1") = "6"
    & skf18("1","1","2","3","7","7","1") = "6"
    & skf18("1","1","2","3","7","8","1") = "7"
    & skf18("1","1","2","3","7","9","1") = "8"
    & skf18("1","1","2","3","7","10","1") = "9"
    & skf18("1","1","2","3","8","1","1") = "7"
    & skf18("1","1","2","3","8","2","1") = "7"
    & skf18("1","1","2","3","8","3","1") = "7"
    & skf18("1","1","2","3","8","4","1") = "7"
    & skf18("1","1","2","3","8","5","1") = "7"
    & skf18("1","1","2","3","8","6","1") = "7"
    & skf18("1","1","2","3","8","7","1") = "7"
    & skf18("1","1","2","3","8","8","1") = "7"
    & skf18("1","1","2","3","8","9","1") = "8"
    & skf18("1","1","2","3","8","10","1") = "9"
    & skf18("1","1","2","3","9","1","1") = "8"
    & skf18("1","1","2","3","9","2","1") = "8"
    & skf18("1","1","2","3","9","3","1") = "8"
    & skf18("1","1","2","3","9","4","1") = "8"
    & skf18("1","1","2","3","9","5","1") = "8"
    & skf18("1","1","2","3","9","6","1") = "8"
    & skf18("1","1","2","3","9","7","1") = "8"
    & skf18("1","1","2","3","9","8","1") = "8"
    & skf18("1","1","2","3","9","9","1") = "8"
    & skf18("1","1","2","3","9","10","1") = "9"
    & skf18("1","1","2","3","10","1","1") = "9"
    & skf18("1","1","2","3","10","2","1") = "9"
    & skf18("1","1","2","3","10","3","1") = "9"
    & skf18("1","1","2","3","10","4","1") = "9"
    & skf18("1","1","2","3","10","5","1") = "9"
    & skf18("1","1","2","3","10","6","1") = "9"
    & skf18("1","1","2","3","10","7","1") = "9"
    & skf18("1","1","2","3","10","8","1") = "9"
    & skf18("1","1","2","3","10","9","1") = "9"
    & skf18("1","1","2","3","10","10","1") = "9"
    & skf18("1","1","2","4","1","1","1") = "3"
    & skf18("1","1","2","4","1","2","1") = "3"
    & skf18("1","1","2","4","1","3","1") = "3"
    & skf18("1","1","2","4","1","4","1") = "3"
    & skf18("1","1","2","4","1","5","1") = "4"
    & skf18("1","1","2","4","1","6","1") = "5"
    & skf18("1","1","2","4","1","7","1") = "6"
    & skf18("1","1","2","4","1","8","1") = "7"
    & skf18("1","1","2","4","1","9","1") = "8"
    & skf18("1","1","2","4","1","10","1") = "9"
    & skf18("1","1","2","4","2","1","1") = "3"
    & skf18("1","1","2","4","2","2","1") = "3"
    & skf18("1","1","2","4","2","3","1") = "3"
    & skf18("1","1","2","4","2","4","1") = "3"
    & skf18("1","1","2","4","2","5","1") = "4"
    & skf18("1","1","2","4","2","6","1") = "5"
    & skf18("1","1","2","4","2","7","1") = "6"
    & skf18("1","1","2","4","2","8","1") = "7"
    & skf18("1","1","2","4","2","9","1") = "8"
    & skf18("1","1","2","4","2","10","1") = "9"
    & skf18("1","1","2","4","3","1","1") = "3"
    & skf18("1","1","2","4","3","2","1") = "3"
    & skf18("1","1","2","4","3","3","1") = "3"
    & skf18("1","1","2","4","3","4","1") = "3"
    & skf18("1","1","2","4","3","5","1") = "4"
    & skf18("1","1","2","4","3","6","1") = "5"
    & skf18("1","1","2","4","3","7","1") = "6"
    & skf18("1","1","2","4","3","8","1") = "7"
    & skf18("1","1","2","4","3","9","1") = "8"
    & skf18("1","1","2","4","3","10","1") = "9"
    & skf18("1","1","2","4","4","1","1") = "3"
    & skf18("1","1","2","4","4","2","1") = "3"
    & skf18("1","1","2","4","4","3","1") = "3"
    & skf18("1","1","2","4","4","4","1") = "3"
    & skf18("1","1","2","4","4","5","1") = "4"
    & skf18("1","1","2","4","4","6","1") = "5"
    & skf18("1","1","2","4","4","7","1") = "6"
    & skf18("1","1","2","4","4","8","1") = "7"
    & skf18("1","1","2","4","4","9","1") = "8"
    & skf18("1","1","2","4","4","10","1") = "9"
    & skf18("1","1","2","4","5","1","1") = "4"
    & skf18("1","1","2","4","5","2","1") = "4"
    & skf18("1","1","2","4","5","3","1") = "4"
    & skf18("1","1","2","4","5","4","1") = "4"
    & skf18("1","1","2","4","5","5","1") = "4"
    & skf18("1","1","2","4","5","6","1") = "5"
    & skf18("1","1","2","4","5","7","1") = "6"
    & skf18("1","1","2","4","5","8","1") = "7"
    & skf18("1","1","2","4","5","9","1") = "8"
    & skf18("1","1","2","4","5","10","1") = "9"
    & skf18("1","1","2","4","6","1","1") = "5"
    & skf18("1","1","2","4","6","2","1") = "5"
    & skf18("1","1","2","4","6","3","1") = "5"
    & skf18("1","1","2","4","6","4","1") = "5"
    & skf18("1","1","2","4","6","5","1") = "5"
    & skf18("1","1","2","4","6","6","1") = "5"
    & skf18("1","1","2","4","6","7","1") = "6"
    & skf18("1","1","2","4","6","8","1") = "7"
    & skf18("1","1","2","4","6","9","1") = "8"
    & skf18("1","1","2","4","6","10","1") = "9"
    & skf18("1","1","2","4","7","1","1") = "6"
    & skf18("1","1","2","4","7","2","1") = "6"
    & skf18("1","1","2","4","7","3","1") = "6"
    & skf18("1","1","2","4","7","4","1") = "6"
    & skf18("1","1","2","4","7","5","1") = "6"
    & skf18("1","1","2","4","7","6","1") = "6"
    & skf18("1","1","2","4","7","7","1") = "6"
    & skf18("1","1","2","4","7","8","1") = "7"
    & skf18("1","1","2","4","7","9","1") = "8"
    & skf18("1","1","2","4","7","10","1") = "9"
    & skf18("1","1","2","4","8","1","1") = "7"
    & skf18("1","1","2","4","8","2","1") = "7"
    & skf18("1","1","2","4","8","3","1") = "7"
    & skf18("1","1","2","4","8","4","1") = "7"
    & skf18("1","1","2","4","8","5","1") = "7"
    & skf18("1","1","2","4","8","6","1") = "7"
    & skf18("1","1","2","4","8","7","1") = "7"
    & skf18("1","1","2","4","8","8","1") = "7"
    & skf18("1","1","2","4","8","9","1") = "8"
    & skf18("1","1","2","4","8","10","1") = "9"
    & skf18("1","1","2","4","9","1","1") = "8"
    & skf18("1","1","2","4","9","2","1") = "8"
    & skf18("1","1","2","4","9","3","1") = "8"
    & skf18("1","1","2","4","9","4","1") = "8"
    & skf18("1","1","2","4","9","5","1") = "8"
    & skf18("1","1","2","4","9","6","1") = "8"
    & skf18("1","1","2","4","9","7","1") = "8"
    & skf18("1","1","2","4","9","8","1") = "8"
    & skf18("1","1","2","4","9","9","1") = "8"
    & skf18("1","1","2","4","9","10","1") = "9"
    & skf18("1","1","2","4","10","1","1") = "9"
    & skf18("1","1","2","4","10","2","1") = "9"
    & skf18("1","1","2","4","10","3","1") = "9"
    & skf18("1","1","2","4","10","4","1") = "9"
    & skf18("1","1","2","4","10","5","1") = "9"
    & skf18("1","1","2","4","10","6","1") = "9"
    & skf18("1","1","2","4","10","7","1") = "9"
    & skf18("1","1","2","4","10","8","1") = "9"
    & skf18("1","1","2","4","10","9","1") = "9"
    & skf18("1","1","2","4","10","10","1") = "9"
    & skf18("1","1","2","5","1","1","1") = "4"
    & skf18("1","1","2","5","1","2","1") = "4"
    & skf18("1","1","2","5","1","3","1") = "4"
    & skf18("1","1","2","5","1","4","1") = "4"
    & skf18("1","1","2","5","1","5","1") = "4"
    & skf18("1","1","2","5","1","6","1") = "5"
    & skf18("1","1","2","5","1","7","1") = "6"
    & skf18("1","1","2","5","1","8","1") = "7"
    & skf18("1","1","2","5","1","9","1") = "8"
    & skf18("1","1","2","5","1","10","1") = "9"
    & skf18("1","1","2","5","2","1","1") = "4"
    & skf18("1","1","2","5","2","2","1") = "4"
    & skf18("1","1","2","5","2","3","1") = "4"
    & skf18("1","1","2","5","2","4","1") = "4"
    & skf18("1","1","2","5","2","5","1") = "4"
    & skf18("1","1","2","5","2","6","1") = "5"
    & skf18("1","1","2","5","2","7","1") = "6"
    & skf18("1","1","2","5","2","8","1") = "7"
    & skf18("1","1","2","5","2","9","1") = "8"
    & skf18("1","1","2","5","2","10","1") = "9"
    & skf18("1","1","2","5","3","1","1") = "4"
    & skf18("1","1","2","5","3","2","1") = "4"
    & skf18("1","1","2","5","3","3","1") = "4"
    & skf18("1","1","2","5","3","4","1") = "4"
    & skf18("1","1","2","5","3","5","1") = "4"
    & skf18("1","1","2","5","3","6","1") = "5"
    & skf18("1","1","2","5","3","7","1") = "6"
    & skf18("1","1","2","5","3","8","1") = "7"
    & skf18("1","1","2","5","3","9","1") = "8"
    & skf18("1","1","2","5","3","10","1") = "9"
    & skf18("1","1","2","5","4","1","1") = "4"
    & skf18("1","1","2","5","4","2","1") = "4"
    & skf18("1","1","2","5","4","3","1") = "4"
    & skf18("1","1","2","5","4","4","1") = "4"
    & skf18("1","1","2","5","4","5","1") = "4"
    & skf18("1","1","2","5","4","6","1") = "5"
    & skf18("1","1","2","5","4","7","1") = "6"
    & skf18("1","1","2","5","4","8","1") = "7"
    & skf18("1","1","2","5","4","9","1") = "8"
    & skf18("1","1","2","5","4","10","1") = "9"
    & skf18("1","1","2","5","5","1","1") = "4"
    & skf18("1","1","2","5","5","2","1") = "4"
    & skf18("1","1","2","5","5","3","1") = "4"
    & skf18("1","1","2","5","5","4","1") = "4"
    & skf18("1","1","2","5","5","5","1") = "4"
    & skf18("1","1","2","5","5","6","1") = "5"
    & skf18("1","1","2","5","5","7","1") = "6"
    & skf18("1","1","2","5","5","8","1") = "7"
    & skf18("1","1","2","5","5","9","1") = "8"
    & skf18("1","1","2","5","5","10","1") = "9"
    & skf18("1","1","2","5","6","1","1") = "5"
    & skf18("1","1","2","5","6","2","1") = "5"
    & skf18("1","1","2","5","6","3","1") = "5"
    & skf18("1","1","2","5","6","4","1") = "5"
    & skf18("1","1","2","5","6","5","1") = "5"
    & skf18("1","1","2","5","6","6","1") = "5"
    & skf18("1","1","2","5","6","7","1") = "6"
    & skf18("1","1","2","5","6","8","1") = "7"
    & skf18("1","1","2","5","6","9","1") = "8"
    & skf18("1","1","2","5","6","10","1") = "9"
    & skf18("1","1","2","5","7","1","1") = "6"
    & skf18("1","1","2","5","7","2","1") = "6"
    & skf18("1","1","2","5","7","3","1") = "6"
    & skf18("1","1","2","5","7","4","1") = "6"
    & skf18("1","1","2","5","7","5","1") = "6"
    & skf18("1","1","2","5","7","6","1") = "6"
    & skf18("1","1","2","5","7","7","1") = "6"
    & skf18("1","1","2","5","7","8","1") = "7"
    & skf18("1","1","2","5","7","9","1") = "8"
    & skf18("1","1","2","5","7","10","1") = "9"
    & skf18("1","1","2","5","8","1","1") = "7"
    & skf18("1","1","2","5","8","2","1") = "7"
    & skf18("1","1","2","5","8","3","1") = "7"
    & skf18("1","1","2","5","8","4","1") = "7"
    & skf18("1","1","2","5","8","5","1") = "7"
    & skf18("1","1","2","5","8","6","1") = "7"
    & skf18("1","1","2","5","8","7","1") = "7"
    & skf18("1","1","2","5","8","8","1") = "7"
    & skf18("1","1","2","5","8","9","1") = "8"
    & skf18("1","1","2","5","8","10","1") = "9"
    & skf18("1","1","2","5","9","1","1") = "8"
    & skf18("1","1","2","5","9","2","1") = "8"
    & skf18("1","1","2","5","9","3","1") = "8"
    & skf18("1","1","2","5","9","4","1") = "8"
    & skf18("1","1","2","5","9","5","1") = "8"
    & skf18("1","1","2","5","9","6","1") = "8"
    & skf18("1","1","2","5","9","7","1") = "8"
    & skf18("1","1","2","5","9","8","1") = "8"
    & skf18("1","1","2","5","9","9","1") = "8"
    & skf18("1","1","2","5","9","10","1") = "9"
    & skf18("1","1","2","5","10","1","1") = "9"
    & skf18("1","1","2","5","10","2","1") = "9"
    & skf18("1","1","2","5","10","3","1") = "9"
    & skf18("1","1","2","5","10","4","1") = "9"
    & skf18("1","1","2","5","10","5","1") = "9"
    & skf18("1","1","2","5","10","6","1") = "9"
    & skf18("1","1","2","5","10","7","1") = "9"
    & skf18("1","1","2","5","10","8","1") = "9"
    & skf18("1","1","2","5","10","9","1") = "9"
    & skf18("1","1","2","5","10","10","1") = "9"
    & skf18("1","1","2","6","1","1","1") = "5"
    & skf18("1","1","2","6","1","2","1") = "5"
    & skf18("1","1","2","6","1","3","1") = "5"
    & skf18("1","1","2","6","1","4","1") = "5"
    & skf18("1","1","2","6","1","5","1") = "5"
    & skf18("1","1","2","6","1","6","1") = "5"
    & skf18("1","1","2","6","1","7","1") = "6"
    & skf18("1","1","2","6","1","8","1") = "7"
    & skf18("1","1","2","6","1","9","1") = "8"
    & skf18("1","1","2","6","1","10","1") = "9"
    & skf18("1","1","2","6","2","1","1") = "5"
    & skf18("1","1","2","6","2","2","1") = "5"
    & skf18("1","1","2","6","2","3","1") = "5"
    & skf18("1","1","2","6","2","4","1") = "5"
    & skf18("1","1","2","6","2","5","1") = "5"
    & skf18("1","1","2","6","2","6","1") = "5"
    & skf18("1","1","2","6","2","7","1") = "6"
    & skf18("1","1","2","6","2","8","1") = "7"
    & skf18("1","1","2","6","2","9","1") = "8"
    & skf18("1","1","2","6","2","10","1") = "9"
    & skf18("1","1","2","6","3","1","1") = "5"
    & skf18("1","1","2","6","3","2","1") = "5"
    & skf18("1","1","2","6","3","3","1") = "5"
    & skf18("1","1","2","6","3","4","1") = "5"
    & skf18("1","1","2","6","3","5","1") = "5"
    & skf18("1","1","2","6","3","6","1") = "5"
    & skf18("1","1","2","6","3","7","1") = "6"
    & skf18("1","1","2","6","3","8","1") = "7"
    & skf18("1","1","2","6","3","9","1") = "8"
    & skf18("1","1","2","6","3","10","1") = "9"
    & skf18("1","1","2","6","4","1","1") = "5"
    & skf18("1","1","2","6","4","2","1") = "5"
    & skf18("1","1","2","6","4","3","1") = "5"
    & skf18("1","1","2","6","4","4","1") = "5"
    & skf18("1","1","2","6","4","5","1") = "5"
    & skf18("1","1","2","6","4","6","1") = "5"
    & skf18("1","1","2","6","4","7","1") = "6"
    & skf18("1","1","2","6","4","8","1") = "7"
    & skf18("1","1","2","6","4","9","1") = "8"
    & skf18("1","1","2","6","4","10","1") = "9"
    & skf18("1","1","2","6","5","1","1") = "5"
    & skf18("1","1","2","6","5","2","1") = "5"
    & skf18("1","1","2","6","5","3","1") = "5"
    & skf18("1","1","2","6","5","4","1") = "5"
    & skf18("1","1","2","6","5","5","1") = "5"
    & skf18("1","1","2","6","5","6","1") = "5"
    & skf18("1","1","2","6","5","7","1") = "6"
    & skf18("1","1","2","6","5","8","1") = "7"
    & skf18("1","1","2","6","5","9","1") = "8"
    & skf18("1","1","2","6","5","10","1") = "9"
    & skf18("1","1","2","6","6","1","1") = "5"
    & skf18("1","1","2","6","6","2","1") = "5"
    & skf18("1","1","2","6","6","3","1") = "5"
    & skf18("1","1","2","6","6","4","1") = "5"
    & skf18("1","1","2","6","6","5","1") = "5"
    & skf18("1","1","2","6","6","6","1") = "5"
    & skf18("1","1","2","6","6","7","1") = "6"
    & skf18("1","1","2","6","6","8","1") = "7"
    & skf18("1","1","2","6","6","9","1") = "8"
    & skf18("1","1","2","6","6","10","1") = "9"
    & skf18("1","1","2","6","7","1","1") = "6"
    & skf18("1","1","2","6","7","2","1") = "6"
    & skf18("1","1","2","6","7","3","1") = "6"
    & skf18("1","1","2","6","7","4","1") = "6"
    & skf18("1","1","2","6","7","5","1") = "6"
    & skf18("1","1","2","6","7","6","1") = "6"
    & skf18("1","1","2","6","7","7","1") = "6"
    & skf18("1","1","2","6","7","8","1") = "7"
    & skf18("1","1","2","6","7","9","1") = "8"
    & skf18("1","1","2","6","7","10","1") = "9"
    & skf18("1","1","2","6","8","1","1") = "7"
    & skf18("1","1","2","6","8","2","1") = "7"
    & skf18("1","1","2","6","8","3","1") = "7"
    & skf18("1","1","2","6","8","4","1") = "7"
    & skf18("1","1","2","6","8","5","1") = "7"
    & skf18("1","1","2","6","8","6","1") = "7"
    & skf18("1","1","2","6","8","7","1") = "7"
    & skf18("1","1","2","6","8","8","1") = "7"
    & skf18("1","1","2","6","8","9","1") = "8"
    & skf18("1","1","2","6","8","10","1") = "9"
    & skf18("1","1","2","6","9","1","1") = "8"
    & skf18("1","1","2","6","9","2","1") = "8"
    & skf18("1","1","2","6","9","3","1") = "8"
    & skf18("1","1","2","6","9","4","1") = "8"
    & skf18("1","1","2","6","9","5","1") = "8"
    & skf18("1","1","2","6","9","6","1") = "8"
    & skf18("1","1","2","6","9","7","1") = "8"
    & skf18("1","1","2","6","9","8","1") = "8"
    & skf18("1","1","2","6","9","9","1") = "8"
    & skf18("1","1","2","6","9","10","1") = "9"
    & skf18("1","1","2","6","10","1","1") = "9"
    & skf18("1","1","2","6","10","2","1") = "9"
    & skf18("1","1","2","6","10","3","1") = "9"
    & skf18("1","1","2","6","10","4","1") = "9"
    & skf18("1","1","2","6","10","5","1") = "9"
    & skf18("1","1","2","6","10","6","1") = "9"
    & skf18("1","1","2","6","10","7","1") = "9"
    & skf18("1","1","2","6","10","8","1") = "9"
    & skf18("1","1","2","6","10","9","1") = "9"
    & skf18("1","1","2","6","10","10","1") = "9"
    & skf18("1","1","2","7","1","1","1") = "6"
    & skf18("1","1","2","7","1","2","1") = "6"
    & skf18("1","1","2","7","1","3","1") = "6"
    & skf18("1","1","2","7","1","4","1") = "6"
    & skf18("1","1","2","7","1","5","1") = "6"
    & skf18("1","1","2","7","1","6","1") = "6"
    & skf18("1","1","2","7","1","7","1") = "6"
    & skf18("1","1","2","7","1","8","1") = "7"
    & skf18("1","1","2","7","1","9","1") = "8"
    & skf18("1","1","2","7","1","10","1") = "9"
    & skf18("1","1","2","7","2","1","1") = "6"
    & skf18("1","1","2","7","2","2","1") = "6"
    & skf18("1","1","2","7","2","3","1") = "6"
    & skf18("1","1","2","7","2","4","1") = "6"
    & skf18("1","1","2","7","2","5","1") = "6"
    & skf18("1","1","2","7","2","6","1") = "6"
    & skf18("1","1","2","7","2","7","1") = "6"
    & skf18("1","1","2","7","2","8","1") = "7"
    & skf18("1","1","2","7","2","9","1") = "8"
    & skf18("1","1","2","7","2","10","1") = "9"
    & skf18("1","1","2","7","3","1","1") = "6"
    & skf18("1","1","2","7","3","2","1") = "6"
    & skf18("1","1","2","7","3","3","1") = "6"
    & skf18("1","1","2","7","3","4","1") = "6"
    & skf18("1","1","2","7","3","5","1") = "6"
    & skf18("1","1","2","7","3","6","1") = "6"
    & skf18("1","1","2","7","3","7","1") = "6"
    & skf18("1","1","2","7","3","8","1") = "7"
    & skf18("1","1","2","7","3","9","1") = "8"
    & skf18("1","1","2","7","3","10","1") = "9"
    & skf18("1","1","2","7","4","1","1") = "6"
    & skf18("1","1","2","7","4","2","1") = "6"
    & skf18("1","1","2","7","4","3","1") = "6"
    & skf18("1","1","2","7","4","4","1") = "6"
    & skf18("1","1","2","7","4","5","1") = "6"
    & skf18("1","1","2","7","4","6","1") = "6"
    & skf18("1","1","2","7","4","7","1") = "6"
    & skf18("1","1","2","7","4","8","1") = "7"
    & skf18("1","1","2","7","4","9","1") = "8"
    & skf18("1","1","2","7","4","10","1") = "9"
    & skf18("1","1","2","7","5","1","1") = "6"
    & skf18("1","1","2","7","5","2","1") = "6"
    & skf18("1","1","2","7","5","3","1") = "6"
    & skf18("1","1","2","7","5","4","1") = "6"
    & skf18("1","1","2","7","5","5","1") = "6"
    & skf18("1","1","2","7","5","6","1") = "6"
    & skf18("1","1","2","7","5","7","1") = "6"
    & skf18("1","1","2","7","5","8","1") = "7"
    & skf18("1","1","2","7","5","9","1") = "8"
    & skf18("1","1","2","7","5","10","1") = "9"
    & skf18("1","1","2","7","6","1","1") = "6"
    & skf18("1","1","2","7","6","2","1") = "6"
    & skf18("1","1","2","7","6","3","1") = "6"
    & skf18("1","1","2","7","6","4","1") = "6"
    & skf18("1","1","2","7","6","5","1") = "6"
    & skf18("1","1","2","7","6","6","1") = "6"
    & skf18("1","1","2","7","6","7","1") = "6"
    & skf18("1","1","2","7","6","8","1") = "7"
    & skf18("1","1","2","7","6","9","1") = "8"
    & skf18("1","1","2","7","6","10","1") = "9"
    & skf18("1","1","2","7","7","1","1") = "6"
    & skf18("1","1","2","7","7","2","1") = "6"
    & skf18("1","1","2","7","7","3","1") = "6"
    & skf18("1","1","2","7","7","4","1") = "6"
    & skf18("1","1","2","7","7","5","1") = "6"
    & skf18("1","1","2","7","7","6","1") = "6"
    & skf18("1","1","2","7","7","7","1") = "6"
    & skf18("1","1","2","7","7","8","1") = "7"
    & skf18("1","1","2","7","7","9","1") = "8"
    & skf18("1","1","2","7","7","10","1") = "9"
    & skf18("1","1","2","7","8","1","1") = "7"
    & skf18("1","1","2","7","8","2","1") = "7"
    & skf18("1","1","2","7","8","3","1") = "7"
    & skf18("1","1","2","7","8","4","1") = "7"
    & skf18("1","1","2","7","8","5","1") = "7"
    & skf18("1","1","2","7","8","6","1") = "7"
    & skf18("1","1","2","7","8","7","1") = "7"
    & skf18("1","1","2","7","8","8","1") = "7"
    & skf18("1","1","2","7","8","9","1") = "8"
    & skf18("1","1","2","7","8","10","1") = "9"
    & skf18("1","1","2","7","9","1","1") = "8"
    & skf18("1","1","2","7","9","2","1") = "8"
    & skf18("1","1","2","7","9","3","1") = "8"
    & skf18("1","1","2","7","9","4","1") = "8"
    & skf18("1","1","2","7","9","5","1") = "8"
    & skf18("1","1","2","7","9","6","1") = "8"
    & skf18("1","1","2","7","9","7","1") = "8"
    & skf18("1","1","2","7","9","8","1") = "8"
    & skf18("1","1","2","7","9","9","1") = "8"
    & skf18("1","1","2","7","9","10","1") = "9"
    & skf18("1","1","2","7","10","1","1") = "9"
    & skf18("1","1","2","7","10","2","1") = "9"
    & skf18("1","1","2","7","10","3","1") = "9"
    & skf18("1","1","2","7","10","4","1") = "9"
    & skf18("1","1","2","7","10","5","1") = "9"
    & skf18("1","1","2","7","10","6","1") = "9"
    & skf18("1","1","2","7","10","7","1") = "9"
    & skf18("1","1","2","7","10","8","1") = "9"
    & skf18("1","1","2","7","10","9","1") = "9"
    & skf18("1","1","2","7","10","10","1") = "9"
    & skf18("1","1","2","8","1","1","1") = "7"
    & skf18("1","1","2","8","1","2","1") = "7"
    & skf18("1","1","2","8","1","3","1") = "7"
    & skf18("1","1","2","8","1","4","1") = "7"
    & skf18("1","1","2","8","1","5","1") = "7"
    & skf18("1","1","2","8","1","6","1") = "7"
    & skf18("1","1","2","8","1","7","1") = "7"
    & skf18("1","1","2","8","1","8","1") = "7"
    & skf18("1","1","2","8","1","9","1") = "8"
    & skf18("1","1","2","8","1","10","1") = "9"
    & skf18("1","1","2","8","2","1","1") = "7"
    & skf18("1","1","2","8","2","2","1") = "7"
    & skf18("1","1","2","8","2","3","1") = "7"
    & skf18("1","1","2","8","2","4","1") = "7"
    & skf18("1","1","2","8","2","5","1") = "7"
    & skf18("1","1","2","8","2","6","1") = "7"
    & skf18("1","1","2","8","2","7","1") = "7"
    & skf18("1","1","2","8","2","8","1") = "7"
    & skf18("1","1","2","8","2","9","1") = "8"
    & skf18("1","1","2","8","2","10","1") = "9"
    & skf18("1","1","2","8","3","1","1") = "7"
    & skf18("1","1","2","8","3","2","1") = "7"
    & skf18("1","1","2","8","3","3","1") = "7"
    & skf18("1","1","2","8","3","4","1") = "7"
    & skf18("1","1","2","8","3","5","1") = "7"
    & skf18("1","1","2","8","3","6","1") = "7"
    & skf18("1","1","2","8","3","7","1") = "7"
    & skf18("1","1","2","8","3","8","1") = "7"
    & skf18("1","1","2","8","3","9","1") = "8"
    & skf18("1","1","2","8","3","10","1") = "9"
    & skf18("1","1","2","8","4","1","1") = "7"
    & skf18("1","1","2","8","4","2","1") = "7"
    & skf18("1","1","2","8","4","3","1") = "7"
    & skf18("1","1","2","8","4","4","1") = "7"
    & skf18("1","1","2","8","4","5","1") = "7"
    & skf18("1","1","2","8","4","6","1") = "7"
    & skf18("1","1","2","8","4","7","1") = "7"
    & skf18("1","1","2","8","4","8","1") = "7"
    & skf18("1","1","2","8","4","9","1") = "8"
    & skf18("1","1","2","8","4","10","1") = "9"
    & skf18("1","1","2","8","5","1","1") = "7"
    & skf18("1","1","2","8","5","2","1") = "7"
    & skf18("1","1","2","8","5","3","1") = "7"
    & skf18("1","1","2","8","5","4","1") = "7"
    & skf18("1","1","2","8","5","5","1") = "7"
    & skf18("1","1","2","8","5","6","1") = "7"
    & skf18("1","1","2","8","5","7","1") = "7"
    & skf18("1","1","2","8","5","8","1") = "7"
    & skf18("1","1","2","8","5","9","1") = "8"
    & skf18("1","1","2","8","5","10","1") = "9"
    & skf18("1","1","2","8","6","1","1") = "7"
    & skf18("1","1","2","8","6","2","1") = "7"
    & skf18("1","1","2","8","6","3","1") = "7"
    & skf18("1","1","2","8","6","4","1") = "7"
    & skf18("1","1","2","8","6","5","1") = "7"
    & skf18("1","1","2","8","6","6","1") = "7"
    & skf18("1","1","2","8","6","7","1") = "7"
    & skf18("1","1","2","8","6","8","1") = "7"
    & skf18("1","1","2","8","6","9","1") = "8"
    & skf18("1","1","2","8","6","10","1") = "9"
    & skf18("1","1","2","8","7","1","1") = "7"
    & skf18("1","1","2","8","7","2","1") = "7"
    & skf18("1","1","2","8","7","3","1") = "7"
    & skf18("1","1","2","8","7","4","1") = "7"
    & skf18("1","1","2","8","7","5","1") = "7"
    & skf18("1","1","2","8","7","6","1") = "7"
    & skf18("1","1","2","8","7","7","1") = "7"
    & skf18("1","1","2","8","7","8","1") = "7"
    & skf18("1","1","2","8","7","9","1") = "8"
    & skf18("1","1","2","8","7","10","1") = "9"
    & skf18("1","1","2","8","8","1","1") = "7"
    & skf18("1","1","2","8","8","2","1") = "7"
    & skf18("1","1","2","8","8","3","1") = "7"
    & skf18("1","1","2","8","8","4","1") = "7"
    & skf18("1","1","2","8","8","5","1") = "7"
    & skf18("1","1","2","8","8","6","1") = "7"
    & skf18("1","1","2","8","8","7","1") = "7"
    & skf18("1","1","2","8","8","8","1") = "7"
    & skf18("1","1","2","8","8","9","1") = "8"
    & skf18("1","1","2","8","8","10","1") = "9"
    & skf18("1","1","2","8","9","1","1") = "8"
    & skf18("1","1","2","8","9","2","1") = "8"
    & skf18("1","1","2","8","9","3","1") = "8"
    & skf18("1","1","2","8","9","4","1") = "8"
    & skf18("1","1","2","8","9","5","1") = "8"
    & skf18("1","1","2","8","9","6","1") = "8"
    & skf18("1","1","2","8","9","7","1") = "8"
    & skf18("1","1","2","8","9","8","1") = "8"
    & skf18("1","1","2","8","9","9","1") = "8"
    & skf18("1","1","2","8","9","10","1") = "9"
    & skf18("1","1","2","8","10","1","1") = "9"
    & skf18("1","1","2","8","10","2","1") = "9"
    & skf18("1","1","2","8","10","3","1") = "9"
    & skf18("1","1","2","8","10","4","1") = "9"
    & skf18("1","1","2","8","10","5","1") = "9"
    & skf18("1","1","2","8","10","6","1") = "9"
    & skf18("1","1","2","8","10","7","1") = "9"
    & skf18("1","1","2","8","10","8","1") = "9"
    & skf18("1","1","2","8","10","9","1") = "9"
    & skf18("1","1","2","8","10","10","1") = "9"
    & skf18("1","1","2","9","1","1","1") = "8"
    & skf18("1","1","2","9","1","2","1") = "8"
    & skf18("1","1","2","9","1","3","1") = "8"
    & skf18("1","1","2","9","1","4","1") = "8"
    & skf18("1","1","2","9","1","5","1") = "8"
    & skf18("1","1","2","9","1","6","1") = "8"
    & skf18("1","1","2","9","1","7","1") = "8"
    & skf18("1","1","2","9","1","8","1") = "8"
    & skf18("1","1","2","9","1","9","1") = "8"
    & skf18("1","1","2","9","1","10","1") = "9"
    & skf18("1","1","2","9","2","1","1") = "8"
    & skf18("1","1","2","9","2","2","1") = "8"
    & skf18("1","1","2","9","2","3","1") = "8"
    & skf18("1","1","2","9","2","4","1") = "8"
    & skf18("1","1","2","9","2","5","1") = "8"
    & skf18("1","1","2","9","2","6","1") = "8"
    & skf18("1","1","2","9","2","7","1") = "8"
    & skf18("1","1","2","9","2","8","1") = "8"
    & skf18("1","1","2","9","2","9","1") = "8"
    & skf18("1","1","2","9","2","10","1") = "9"
    & skf18("1","1","2","9","3","1","1") = "8"
    & skf18("1","1","2","9","3","2","1") = "8"
    & skf18("1","1","2","9","3","3","1") = "8"
    & skf18("1","1","2","9","3","4","1") = "8"
    & skf18("1","1","2","9","3","5","1") = "8"
    & skf18("1","1","2","9","3","6","1") = "8"
    & skf18("1","1","2","9","3","7","1") = "8"
    & skf18("1","1","2","9","3","8","1") = "8"
    & skf18("1","1","2","9","3","9","1") = "8"
    & skf18("1","1","2","9","3","10","1") = "9"
    & skf18("1","1","2","9","4","1","1") = "8"
    & skf18("1","1","2","9","4","2","1") = "8"
    & skf18("1","1","2","9","4","3","1") = "8"
    & skf18("1","1","2","9","4","4","1") = "8"
    & skf18("1","1","2","9","4","5","1") = "8"
    & skf18("1","1","2","9","4","6","1") = "8"
    & skf18("1","1","2","9","4","7","1") = "8"
    & skf18("1","1","2","9","4","8","1") = "8"
    & skf18("1","1","2","9","4","9","1") = "8"
    & skf18("1","1","2","9","4","10","1") = "9"
    & skf18("1","1","2","9","5","1","1") = "8"
    & skf18("1","1","2","9","5","2","1") = "8"
    & skf18("1","1","2","9","5","3","1") = "8"
    & skf18("1","1","2","9","5","4","1") = "8"
    & skf18("1","1","2","9","5","5","1") = "8"
    & skf18("1","1","2","9","5","6","1") = "8"
    & skf18("1","1","2","9","5","7","1") = "8"
    & skf18("1","1","2","9","5","8","1") = "8"
    & skf18("1","1","2","9","5","9","1") = "8"
    & skf18("1","1","2","9","5","10","1") = "9"
    & skf18("1","1","2","9","6","1","1") = "8"
    & skf18("1","1","2","9","6","2","1") = "8"
    & skf18("1","1","2","9","6","3","1") = "8"
    & skf18("1","1","2","9","6","4","1") = "8"
    & skf18("1","1","2","9","6","5","1") = "8"
    & skf18("1","1","2","9","6","6","1") = "8"
    & skf18("1","1","2","9","6","7","1") = "8"
    & skf18("1","1","2","9","6","8","1") = "8"
    & skf18("1","1","2","9","6","9","1") = "8"
    & skf18("1","1","2","9","6","10","1") = "9"
    & skf18("1","1","2","9","7","1","1") = "8"
    & skf18("1","1","2","9","7","2","1") = "8"
    & skf18("1","1","2","9","7","3","1") = "8"
    & skf18("1","1","2","9","7","4","1") = "8"
    & skf18("1","1","2","9","7","5","1") = "8"
    & skf18("1","1","2","9","7","6","1") = "8"
    & skf18("1","1","2","9","7","7","1") = "8"
    & skf18("1","1","2","9","7","8","1") = "8"
    & skf18("1","1","2","9","7","9","1") = "8"
    & skf18("1","1","2","9","7","10","1") = "9"
    & skf18("1","1","2","9","8","1","1") = "8"
    & skf18("1","1","2","9","8","2","1") = "8"
    & skf18("1","1","2","9","8","3","1") = "8"
    & skf18("1","1","2","9","8","4","1") = "8"
    & skf18("1","1","2","9","8","5","1") = "8"
    & skf18("1","1","2","9","8","6","1") = "8"
    & skf18("1","1","2","9","8","7","1") = "8"
    & skf18("1","1","2","9","8","8","1") = "8"
    & skf18("1","1","2","9","8","9","1") = "8"
    & skf18("1","1","2","9","8","10","1") = "9"
    & skf18("1","1","2","9","9","1","1") = "8"
    & skf18("1","1","2","9","9","2","1") = "8"
    & skf18("1","1","2","9","9","3","1") = "8"
    & skf18("1","1","2","9","9","4","1") = "8"
    & skf18("1","1","2","9","9","5","1") = "8"
    & skf18("1","1","2","9","9","6","1") = "8"
    & skf18("1","1","2","9","9","7","1") = "8"
    & skf18("1","1","2","9","9","8","1") = "8"
    & skf18("1","1","2","9","9","9","1") = "8"
    & skf18("1","1","2","9","9","10","1") = "9"
    & skf18("1","1","2","9","10","1","1") = "9"
    & skf18("1","1","2","9","10","2","1") = "9"
    & skf18("1","1","2","9","10","3","1") = "9"
    & skf18("1","1","2","9","10","4","1") = "9"
    & skf18("1","1","2","9","10","5","1") = "9"
    & skf18("1","1","2","9","10","6","1") = "9"
    & skf18("1","1","2","9","10","7","1") = "9"
    & skf18("1","1","2","9","10","8","1") = "9"
    & skf18("1","1","2","9","10","9","1") = "9"
    & skf18("1","1","2","9","10","10","1") = "9"
    & skf18("1","1","2","10","1","1","1") = "9"
    & skf18("1","1","2","10","1","2","1") = "9"
    & skf18("1","1","2","10","1","3","1") = "9"
    & skf18("1","1","2","10","1","4","1") = "9"
    & skf18("1","1","2","10","1","5","1") = "9"
    & skf18("1","1","2","10","1","6","1") = "9"
    & skf18("1","1","2","10","1","7","1") = "9"
    & skf18("1","1","2","10","1","8","1") = "9"
    & skf18("1","1","2","10","1","9","1") = "9"
    & skf18("1","1","2","10","1","10","1") = "9"
    & skf18("1","1","2","10","2","1","1") = "9"
    & skf18("1","1","2","10","2","2","1") = "9"
    & skf18("1","1","2","10","2","3","1") = "9"
    & skf18("1","1","2","10","2","4","1") = "9"
    & skf18("1","1","2","10","2","5","1") = "9"
    & skf18("1","1","2","10","2","6","1") = "9"
    & skf18("1","1","2","10","2","7","1") = "9"
    & skf18("1","1","2","10","2","8","1") = "9"
    & skf18("1","1","2","10","2","9","1") = "9"
    & skf18("1","1","2","10","2","10","1") = "9"
    & skf18("1","1","2","10","3","1","1") = "9"
    & skf18("1","1","2","10","3","2","1") = "9"
    & skf18("1","1","2","10","3","3","1") = "9"
    & skf18("1","1","2","10","3","4","1") = "9"
    & skf18("1","1","2","10","3","5","1") = "9"
    & skf18("1","1","2","10","3","6","1") = "9"
    & skf18("1","1","2","10","3","7","1") = "9"
    & skf18("1","1","2","10","3","8","1") = "9"
    & skf18("1","1","2","10","3","9","1") = "9"
    & skf18("1","1","2","10","3","10","1") = "9"
    & skf18("1","1","2","10","4","1","1") = "9"
    & skf18("1","1","2","10","4","2","1") = "9"
    & skf18("1","1","2","10","4","3","1") = "9"
    & skf18("1","1","2","10","4","4","1") = "9"
    & skf18("1","1","2","10","4","5","1") = "9"
    & skf18("1","1","2","10","4","6","1") = "9"
    & skf18("1","1","2","10","4","7","1") = "9"
    & skf18("1","1","2","10","4","8","1") = "9"
    & skf18("1","1","2","10","4","9","1") = "9"
    & skf18("1","1","2","10","4","10","1") = "9"
    & skf18("1","1","2","10","5","1","1") = "9"
    & skf18("1","1","2","10","5","2","1") = "9"
    & skf18("1","1","2","10","5","3","1") = "9"
    & skf18("1","1","2","10","5","4","1") = "9"
    & skf18("1","1","2","10","5","5","1") = "9"
    & skf18("1","1","2","10","5","6","1") = "9"
    & skf18("1","1","2","10","5","7","1") = "9"
    & skf18("1","1","2","10","5","8","1") = "9"
    & skf18("1","1","2","10","5","9","1") = "9"
    & skf18("1","1","2","10","5","10","1") = "9"
    & skf18("1","1","2","10","6","1","1") = "9"
    & skf18("1","1","2","10","6","2","1") = "9"
    & skf18("1","1","2","10","6","3","1") = "9"
    & skf18("1","1","2","10","6","4","1") = "9"
    & skf18("1","1","2","10","6","5","1") = "9"
    & skf18("1","1","2","10","6","6","1") = "9"
    & skf18("1","1","2","10","6","7","1") = "9"
    & skf18("1","1","2","10","6","8","1") = "9"
    & skf18("1","1","2","10","6","9","1") = "9"
    & skf18("1","1","2","10","6","10","1") = "9"
    & skf18("1","1","2","10","7","1","1") = "9"
    & skf18("1","1","2","10","7","2","1") = "9"
    & skf18("1","1","2","10","7","3","1") = "9"
    & skf18("1","1","2","10","7","4","1") = "9"
    & skf18("1","1","2","10","7","5","1") = "9"
    & skf18("1","1","2","10","7","6","1") = "9"
    & skf18("1","1","2","10","7","7","1") = "9"
    & skf18("1","1","2","10","7","8","1") = "9"
    & skf18("1","1","2","10","7","9","1") = "9"
    & skf18("1","1","2","10","7","10","1") = "9"
    & skf18("1","1","2","10","8","1","1") = "9"
    & skf18("1","1","2","10","8","2","1") = "9"
    & skf18("1","1","2","10","8","3","1") = "9"
    & skf18("1","1","2","10","8","4","1") = "9"
    & skf18("1","1","2","10","8","5","1") = "9"
    & skf18("1","1","2","10","8","6","1") = "9"
    & skf18("1","1","2","10","8","7","1") = "9"
    & skf18("1","1","2","10","8","8","1") = "9"
    & skf18("1","1","2","10","8","9","1") = "9"
    & skf18("1","1","2","10","8","10","1") = "9"
    & skf18("1","1","2","10","9","1","1") = "9"
    & skf18("1","1","2","10","9","2","1") = "9"
    & skf18("1","1","2","10","9","3","1") = "9"
    & skf18("1","1","2","10","9","4","1") = "9"
    & skf18("1","1","2","10","9","5","1") = "9"
    & skf18("1","1","2","10","9","6","1") = "9"
    & skf18("1","1","2","10","9","7","1") = "9"
    & skf18("1","1","2","10","9","8","1") = "9"
    & skf18("1","1","2","10","9","9","1") = "9"
    & skf18("1","1","2","10","9","10","1") = "9"
    & skf18("1","1","2","10","10","1","1") = "9"
    & skf18("1","1","2","10","10","2","1") = "9"
    & skf18("1","1","2","10","10","3","1") = "9"
    & skf18("1","1","2","10","10","4","1") = "9"
    & skf18("1","1","2","10","10","5","1") = "9"
    & skf18("1","1","2","10","10","6","1") = "9"
    & skf18("1","1","2","10","10","7","1") = "9"
    & skf18("1","1","2","10","10","8","1") = "9"
    & skf18("1","1","2","10","10","9","1") = "9"
    & skf18("1","1","2","10","10","10","1") = "9"
    & skf18("1","1","3","1","1","1","1") = "2"
    & skf18("1","1","3","1","1","2","1") = "2"
    & skf18("1","1","3","1","1","3","1") = "2"
    & skf18("1","1","3","1","1","4","1") = "3"
    & skf18("1","1","3","1","1","5","1") = "4"
    & skf18("1","1","3","1","1","6","1") = "5"
    & skf18("1","1","3","1","1","7","1") = "6"
    & skf18("1","1","3","1","1","8","1") = "7"
    & skf18("1","1","3","1","1","9","1") = "8"
    & skf18("1","1","3","1","1","10","1") = "9"
    & skf18("1","1","3","1","2","1","1") = "2"
    & skf18("1","1","3","1","2","2","1") = "2"
    & skf18("1","1","3","1","2","3","1") = "2"
    & skf18("1","1","3","1","2","4","1") = "3"
    & skf18("1","1","3","1","2","5","1") = "4"
    & skf18("1","1","3","1","2","6","1") = "5"
    & skf18("1","1","3","1","2","7","1") = "6"
    & skf18("1","1","3","1","2","8","1") = "7"
    & skf18("1","1","3","1","2","9","1") = "8"
    & skf18("1","1","3","1","2","10","1") = "9"
    & skf18("1","1","3","1","3","1","1") = "2"
    & skf18("1","1","3","1","3","2","1") = "2"
    & skf18("1","1","3","1","3","3","1") = "2"
    & skf18("1","1","3","1","3","4","1") = "3"
    & skf18("1","1","3","1","3","5","1") = "4"
    & skf18("1","1","3","1","3","6","1") = "5"
    & skf18("1","1","3","1","3","7","1") = "6"
    & skf18("1","1","3","1","3","8","1") = "7"
    & skf18("1","1","3","1","3","9","1") = "8"
    & skf18("1","1","3","1","3","10","1") = "9"
    & skf18("1","1","3","1","4","1","1") = "3"
    & skf18("1","1","3","1","4","2","1") = "3"
    & skf18("1","1","3","1","4","3","1") = "3"
    & skf18("1","1","3","1","4","4","1") = "3"
    & skf18("1","1","3","1","4","5","1") = "4"
    & skf18("1","1","3","1","4","6","1") = "5"
    & skf18("1","1","3","1","4","7","1") = "6"
    & skf18("1","1","3","1","4","8","1") = "7"
    & skf18("1","1","3","1","4","9","1") = "8"
    & skf18("1","1","3","1","4","10","1") = "9"
    & skf18("1","1","3","1","5","1","1") = "4"
    & skf18("1","1","3","1","5","2","1") = "4"
    & skf18("1","1","3","1","5","3","1") = "4"
    & skf18("1","1","3","1","5","4","1") = "4"
    & skf18("1","1","3","1","5","5","1") = "4"
    & skf18("1","1","3","1","5","6","1") = "5"
    & skf18("1","1","3","1","5","7","1") = "6"
    & skf18("1","1","3","1","5","8","1") = "7"
    & skf18("1","1","3","1","5","9","1") = "8"
    & skf18("1","1","3","1","5","10","1") = "9"
    & skf18("1","1","3","1","6","1","1") = "5"
    & skf18("1","1","3","1","6","2","1") = "5"
    & skf18("1","1","3","1","6","3","1") = "5"
    & skf18("1","1","3","1","6","4","1") = "5"
    & skf18("1","1","3","1","6","5","1") = "5"
    & skf18("1","1","3","1","6","6","1") = "5"
    & skf18("1","1","3","1","6","7","1") = "6"
    & skf18("1","1","3","1","6","8","1") = "7"
    & skf18("1","1","3","1","6","9","1") = "8"
    & skf18("1","1","3","1","6","10","1") = "9"
    & skf18("1","1","3","1","7","1","1") = "6"
    & skf18("1","1","3","1","7","2","1") = "6"
    & skf18("1","1","3","1","7","3","1") = "6"
    & skf18("1","1","3","1","7","4","1") = "6"
    & skf18("1","1","3","1","7","5","1") = "6"
    & skf18("1","1","3","1","7","6","1") = "6"
    & skf18("1","1","3","1","7","7","1") = "6"
    & skf18("1","1","3","1","7","8","1") = "7"
    & skf18("1","1","3","1","7","9","1") = "8"
    & skf18("1","1","3","1","7","10","1") = "9"
    & skf18("1","1","3","1","8","1","1") = "7"
    & skf18("1","1","3","1","8","2","1") = "7"
    & skf18("1","1","3","1","8","3","1") = "7"
    & skf18("1","1","3","1","8","4","1") = "7"
    & skf18("1","1","3","1","8","5","1") = "7"
    & skf18("1","1","3","1","8","6","1") = "7"
    & skf18("1","1","3","1","8","7","1") = "7"
    & skf18("1","1","3","1","8","8","1") = "7"
    & skf18("1","1","3","1","8","9","1") = "8"
    & skf18("1","1","3","1","8","10","1") = "9"
    & skf18("1","1","3","1","9","1","1") = "8"
    & skf18("1","1","3","1","9","2","1") = "8"
    & skf18("1","1","3","1","9","3","1") = "8"
    & skf18("1","1","3","1","9","4","1") = "8"
    & skf18("1","1","3","1","9","5","1") = "8"
    & skf18("1","1","3","1","9","6","1") = "8"
    & skf18("1","1","3","1","9","7","1") = "8"
    & skf18("1","1","3","1","9","8","1") = "8"
    & skf18("1","1","3","1","9","9","1") = "8"
    & skf18("1","1","3","1","9","10","1") = "9"
    & skf18("1","1","3","1","10","1","1") = "9"
    & skf18("1","1","3","1","10","2","1") = "9"
    & skf18("1","1","3","1","10","3","1") = "9"
    & skf18("1","1","3","1","10","4","1") = "9"
    & skf18("1","1","3","1","10","5","1") = "9"
    & skf18("1","1","3","1","10","6","1") = "9"
    & skf18("1","1","3","1","10","7","1") = "9"
    & skf18("1","1","3","1","10","8","1") = "9"
    & skf18("1","1","3","1","10","9","1") = "9"
    & skf18("1","1","3","1","10","10","1") = "9"
    & skf18("1","1","3","2","1","1","1") = "1"
    & skf18("1","1","3","2","1","2","1") = "2"
    & skf18("1","1","3","2","1","3","1") = "2"
    & skf18("1","1","3","2","1","4","1") = "3"
    & skf18("1","1","3","2","1","5","1") = "4"
    & skf18("1","1","3","2","1","6","1") = "5"
    & skf18("1","1","3","2","1","7","1") = "6"
    & skf18("1","1","3","2","1","8","1") = "7"
    & skf18("1","1","3","2","1","9","1") = "8"
    & skf18("1","1","3","2","1","10","1") = "9"
    & skf18("1","1","3","2","2","1","1") = "2"
    & skf18("1","1","3","2","2","2","1") = "2"
    & skf18("1","1","3","2","2","3","1") = "2"
    & skf18("1","1","3","2","2","4","1") = "3"
    & skf18("1","1","3","2","2","5","1") = "4"
    & skf18("1","1","3","2","2","6","1") = "5"
    & skf18("1","1","3","2","2","7","1") = "6"
    & skf18("1","1","3","2","2","8","1") = "7"
    & skf18("1","1","3","2","2","9","1") = "8"
    & skf18("1","1","3","2","2","10","1") = "9"
    & skf18("1","1","3","2","3","1","1") = "2"
    & skf18("1","1","3","2","3","2","1") = "2"
    & skf18("1","1","3","2","3","3","1") = "2"
    & skf18("1","1","3","2","3","4","1") = "3"
    & skf18("1","1","3","2","3","5","1") = "4"
    & skf18("1","1","3","2","3","6","1") = "5"
    & skf18("1","1","3","2","3","7","1") = "6"
    & skf18("1","1","3","2","3","8","1") = "7"
    & skf18("1","1","3","2","3","9","1") = "8"
    & skf18("1","1","3","2","3","10","1") = "9"
    & skf18("1","1","3","2","4","1","1") = "3"
    & skf18("1","1","3","2","4","2","1") = "3"
    & skf18("1","1","3","2","4","3","1") = "3"
    & skf18("1","1","3","2","4","4","1") = "3"
    & skf18("1","1","3","2","4","5","1") = "4"
    & skf18("1","1","3","2","4","6","1") = "5"
    & skf18("1","1","3","2","4","7","1") = "6"
    & skf18("1","1","3","2","4","8","1") = "7"
    & skf18("1","1","3","2","4","9","1") = "8"
    & skf18("1","1","3","2","4","10","1") = "9"
    & skf18("1","1","3","2","5","1","1") = "4"
    & skf18("1","1","3","2","5","2","1") = "4"
    & skf18("1","1","3","2","5","3","1") = "4"
    & skf18("1","1","3","2","5","4","1") = "4"
    & skf18("1","1","3","2","5","5","1") = "4"
    & skf18("1","1","3","2","5","6","1") = "5"
    & skf18("1","1","3","2","5","7","1") = "6"
    & skf18("1","1","3","2","5","8","1") = "7"
    & skf18("1","1","3","2","5","9","1") = "8"
    & skf18("1","1","3","2","5","10","1") = "9"
    & skf18("1","1","3","2","6","1","1") = "5"
    & skf18("1","1","3","2","6","2","1") = "5"
    & skf18("1","1","3","2","6","3","1") = "5"
    & skf18("1","1","3","2","6","4","1") = "5"
    & skf18("1","1","3","2","6","5","1") = "5"
    & skf18("1","1","3","2","6","6","1") = "5"
    & skf18("1","1","3","2","6","7","1") = "6"
    & skf18("1","1","3","2","6","8","1") = "7"
    & skf18("1","1","3","2","6","9","1") = "8"
    & skf18("1","1","3","2","6","10","1") = "9"
    & skf18("1","1","3","2","7","1","1") = "6"
    & skf18("1","1","3","2","7","2","1") = "6"
    & skf18("1","1","3","2","7","3","1") = "6"
    & skf18("1","1","3","2","7","4","1") = "6"
    & skf18("1","1","3","2","7","5","1") = "6"
    & skf18("1","1","3","2","7","6","1") = "6"
    & skf18("1","1","3","2","7","7","1") = "6"
    & skf18("1","1","3","2","7","8","1") = "7"
    & skf18("1","1","3","2","7","9","1") = "8"
    & skf18("1","1","3","2","7","10","1") = "9"
    & skf18("1","1","3","2","8","1","1") = "7"
    & skf18("1","1","3","2","8","2","1") = "7"
    & skf18("1","1","3","2","8","3","1") = "7"
    & skf18("1","1","3","2","8","4","1") = "7"
    & skf18("1","1","3","2","8","5","1") = "7"
    & skf18("1","1","3","2","8","6","1") = "7"
    & skf18("1","1","3","2","8","7","1") = "7"
    & skf18("1","1","3","2","8","8","1") = "7"
    & skf18("1","1","3","2","8","9","1") = "8"
    & skf18("1","1","3","2","8","10","1") = "9"
    & skf18("1","1","3","2","9","1","1") = "8"
    & skf18("1","1","3","2","9","2","1") = "8"
    & skf18("1","1","3","2","9","3","1") = "8"
    & skf18("1","1","3","2","9","4","1") = "8"
    & skf18("1","1","3","2","9","5","1") = "8"
    & skf18("1","1","3","2","9","6","1") = "8"
    & skf18("1","1","3","2","9","7","1") = "8"
    & skf18("1","1","3","2","9","8","1") = "8"
    & skf18("1","1","3","2","9","9","1") = "8"
    & skf18("1","1","3","2","9","10","1") = "9"
    & skf18("1","1","3","2","10","1","1") = "9"
    & skf18("1","1","3","2","10","2","1") = "9"
    & skf18("1","1","3","2","10","3","1") = "9"
    & skf18("1","1","3","2","10","4","1") = "9"
    & skf18("1","1","3","2","10","5","1") = "9"
    & skf18("1","1","3","2","10","6","1") = "9"
    & skf18("1","1","3","2","10","7","1") = "9"
    & skf18("1","1","3","2","10","8","1") = "9"
    & skf18("1","1","3","2","10","9","1") = "9"
    & skf18("1","1","3","2","10","10","1") = "9"
    & skf18("1","1","3","3","1","1","1") = "2"
    & skf18("1","1","3","3","1","2","1") = "2"
    & skf18("1","1","3","3","1","3","1") = "2"
    & skf18("1","1","3","3","1","4","1") = "3"
    & skf18("1","1","3","3","1","5","1") = "4"
    & skf18("1","1","3","3","1","6","1") = "5"
    & skf18("1","1","3","3","1","7","1") = "6"
    & skf18("1","1","3","3","1","8","1") = "7"
    & skf18("1","1","3","3","1","9","1") = "8"
    & skf18("1","1","3","3","1","10","1") = "9"
    & skf18("1","1","3","3","2","1","1") = "2"
    & skf18("1","1","3","3","2","2","1") = "2"
    & skf18("1","1","3","3","2","3","1") = "2"
    & skf18("1","1","3","3","2","4","1") = "3"
    & skf18("1","1","3","3","2","5","1") = "4"
    & skf18("1","1","3","3","2","6","1") = "5"
    & skf18("1","1","3","3","2","7","1") = "6"
    & skf18("1","1","3","3","2","8","1") = "7"
    & skf18("1","1","3","3","2","9","1") = "8"
    & skf18("1","1","3","3","2","10","1") = "9"
    & skf18("1","1","3","3","3","1","1") = "2"
    & skf18("1","1","3","3","3","2","1") = "2"
    & skf18("1","1","3","3","3","3","1") = "2"
    & skf18("1","1","3","3","3","4","1") = "3"
    & skf18("1","1","3","3","3","5","1") = "4"
    & skf18("1","1","3","3","3","6","1") = "5"
    & skf18("1","1","3","3","3","7","1") = "6"
    & skf18("1","1","3","3","3","8","1") = "7"
    & skf18("1","1","3","3","3","9","1") = "8"
    & skf18("1","1","3","3","3","10","1") = "9"
    & skf18("1","1","3","3","4","1","1") = "3"
    & skf18("1","1","3","3","4","2","1") = "3"
    & skf18("1","1","3","3","4","3","1") = "3"
    & skf18("1","1","3","3","4","4","1") = "3"
    & skf18("1","1","3","3","4","5","1") = "4"
    & skf18("1","1","3","3","4","6","1") = "5"
    & skf18("1","1","3","3","4","7","1") = "6"
    & skf18("1","1","3","3","4","8","1") = "7"
    & skf18("1","1","3","3","4","9","1") = "8"
    & skf18("1","1","3","3","4","10","1") = "9"
    & skf18("1","1","3","3","5","1","1") = "4"
    & skf18("1","1","3","3","5","2","1") = "4"
    & skf18("1","1","3","3","5","3","1") = "4"
    & skf18("1","1","3","3","5","4","1") = "4"
    & skf18("1","1","3","3","5","5","1") = "4"
    & skf18("1","1","3","3","5","6","1") = "5"
    & skf18("1","1","3","3","5","7","1") = "6"
    & skf18("1","1","3","3","5","8","1") = "7"
    & skf18("1","1","3","3","5","9","1") = "8"
    & skf18("1","1","3","3","5","10","1") = "9"
    & skf18("1","1","3","3","6","1","1") = "5"
    & skf18("1","1","3","3","6","2","1") = "5"
    & skf18("1","1","3","3","6","3","1") = "5"
    & skf18("1","1","3","3","6","4","1") = "5"
    & skf18("1","1","3","3","6","5","1") = "5"
    & skf18("1","1","3","3","6","6","1") = "5"
    & skf18("1","1","3","3","6","7","1") = "6"
    & skf18("1","1","3","3","6","8","1") = "7"
    & skf18("1","1","3","3","6","9","1") = "8"
    & skf18("1","1","3","3","6","10","1") = "9"
    & skf18("1","1","3","3","7","1","1") = "6"
    & skf18("1","1","3","3","7","2","1") = "6"
    & skf18("1","1","3","3","7","3","1") = "6"
    & skf18("1","1","3","3","7","4","1") = "6"
    & skf18("1","1","3","3","7","5","1") = "6"
    & skf18("1","1","3","3","7","6","1") = "6"
    & skf18("1","1","3","3","7","7","1") = "6"
    & skf18("1","1","3","3","7","8","1") = "7"
    & skf18("1","1","3","3","7","9","1") = "8"
    & skf18("1","1","3","3","7","10","1") = "9"
    & skf18("1","1","3","3","8","1","1") = "7"
    & skf18("1","1","3","3","8","2","1") = "7"
    & skf18("1","1","3","3","8","3","1") = "7"
    & skf18("1","1","3","3","8","4","1") = "7"
    & skf18("1","1","3","3","8","5","1") = "7"
    & skf18("1","1","3","3","8","6","1") = "7"
    & skf18("1","1","3","3","8","7","1") = "7"
    & skf18("1","1","3","3","8","8","1") = "7"
    & skf18("1","1","3","3","8","9","1") = "8"
    & skf18("1","1","3","3","8","10","1") = "9"
    & skf18("1","1","3","3","9","1","1") = "8"
    & skf18("1","1","3","3","9","2","1") = "8"
    & skf18("1","1","3","3","9","3","1") = "8"
    & skf18("1","1","3","3","9","4","1") = "8"
    & skf18("1","1","3","3","9","5","1") = "8"
    & skf18("1","1","3","3","9","6","1") = "8"
    & skf18("1","1","3","3","9","7","1") = "8"
    & skf18("1","1","3","3","9","8","1") = "8"
    & skf18("1","1","3","3","9","9","1") = "8"
    & skf18("1","1","3","3","9","10","1") = "9"
    & skf18("1","1","3","3","10","1","1") = "9"
    & skf18("1","1","3","3","10","2","1") = "9"
    & skf18("1","1","3","3","10","3","1") = "9"
    & skf18("1","1","3","3","10","4","1") = "9"
    & skf18("1","1","3","3","10","5","1") = "9"
    & skf18("1","1","3","3","10","6","1") = "9"
    & skf18("1","1","3","3","10","7","1") = "9"
    & skf18("1","1","3","3","10","8","1") = "9"
    & skf18("1","1","3","3","10","9","1") = "9"
    & skf18("1","1","3","3","10","10","1") = "9"
    & skf18("1","1","3","4","1","1","1") = "3"
    & skf18("1","1","3","4","1","2","1") = "3"
    & skf18("1","1","3","4","1","3","1") = "3"
    & skf18("1","1","3","4","1","4","1") = "3"
    & skf18("1","1","3","4","1","5","1") = "4"
    & skf18("1","1","3","4","1","6","1") = "5"
    & skf18("1","1","3","4","1","7","1") = "6"
    & skf18("1","1","3","4","1","8","1") = "7"
    & skf18("1","1","3","4","1","9","1") = "8"
    & skf18("1","1","3","4","1","10","1") = "9"
    & skf18("1","1","3","4","2","1","1") = "3"
    & skf18("1","1","3","4","2","2","1") = "3"
    & skf18("1","1","3","4","2","3","1") = "3"
    & skf18("1","1","3","4","2","4","1") = "3"
    & skf18("1","1","3","4","2","5","1") = "4"
    & skf18("1","1","3","4","2","6","1") = "5"
    & skf18("1","1","3","4","2","7","1") = "6"
    & skf18("1","1","3","4","2","8","1") = "7"
    & skf18("1","1","3","4","2","9","1") = "8"
    & skf18("1","1","3","4","2","10","1") = "9"
    & skf18("1","1","3","4","3","1","1") = "3"
    & skf18("1","1","3","4","3","2","1") = "3"
    & skf18("1","1","3","4","3","3","1") = "3"
    & skf18("1","1","3","4","3","4","1") = "3"
    & skf18("1","1","3","4","3","5","1") = "4"
    & skf18("1","1","3","4","3","6","1") = "5"
    & skf18("1","1","3","4","3","7","1") = "6"
    & skf18("1","1","3","4","3","8","1") = "7"
    & skf18("1","1","3","4","3","9","1") = "8"
    & skf18("1","1","3","4","3","10","1") = "9"
    & skf18("1","1","3","4","4","1","1") = "3"
    & skf18("1","1","3","4","4","2","1") = "3"
    & skf18("1","1","3","4","4","3","1") = "3"
    & skf18("1","1","3","4","4","4","1") = "3"
    & skf18("1","1","3","4","4","5","1") = "4"
    & skf18("1","1","3","4","4","6","1") = "5"
    & skf18("1","1","3","4","4","7","1") = "6"
    & skf18("1","1","3","4","4","8","1") = "7"
    & skf18("1","1","3","4","4","9","1") = "8"
    & skf18("1","1","3","4","4","10","1") = "9"
    & skf18("1","1","3","4","5","1","1") = "4"
    & skf18("1","1","3","4","5","2","1") = "4"
    & skf18("1","1","3","4","5","3","1") = "4"
    & skf18("1","1","3","4","5","4","1") = "4"
    & skf18("1","1","3","4","5","5","1") = "4"
    & skf18("1","1","3","4","5","6","1") = "5"
    & skf18("1","1","3","4","5","7","1") = "6"
    & skf18("1","1","3","4","5","8","1") = "7"
    & skf18("1","1","3","4","5","9","1") = "8"
    & skf18("1","1","3","4","5","10","1") = "9"
    & skf18("1","1","3","4","6","1","1") = "5"
    & skf18("1","1","3","4","6","2","1") = "5"
    & skf18("1","1","3","4","6","3","1") = "5"
    & skf18("1","1","3","4","6","4","1") = "5"
    & skf18("1","1","3","4","6","5","1") = "5"
    & skf18("1","1","3","4","6","6","1") = "5"
    & skf18("1","1","3","4","6","7","1") = "6"
    & skf18("1","1","3","4","6","8","1") = "7"
    & skf18("1","1","3","4","6","9","1") = "8"
    & skf18("1","1","3","4","6","10","1") = "9"
    & skf18("1","1","3","4","7","1","1") = "6"
    & skf18("1","1","3","4","7","2","1") = "6"
    & skf18("1","1","3","4","7","3","1") = "6"
    & skf18("1","1","3","4","7","4","1") = "6"
    & skf18("1","1","3","4","7","5","1") = "6"
    & skf18("1","1","3","4","7","6","1") = "6"
    & skf18("1","1","3","4","7","7","1") = "6"
    & skf18("1","1","3","4","7","8","1") = "7"
    & skf18("1","1","3","4","7","9","1") = "8"
    & skf18("1","1","3","4","7","10","1") = "9"
    & skf18("1","1","3","4","8","1","1") = "7"
    & skf18("1","1","3","4","8","2","1") = "7"
    & skf18("1","1","3","4","8","3","1") = "7"
    & skf18("1","1","3","4","8","4","1") = "7"
    & skf18("1","1","3","4","8","5","1") = "7"
    & skf18("1","1","3","4","8","6","1") = "7"
    & skf18("1","1","3","4","8","7","1") = "7"
    & skf18("1","1","3","4","8","8","1") = "7"
    & skf18("1","1","3","4","8","9","1") = "8"
    & skf18("1","1","3","4","8","10","1") = "9"
    & skf18("1","1","3","4","9","1","1") = "8"
    & skf18("1","1","3","4","9","2","1") = "8"
    & skf18("1","1","3","4","9","3","1") = "8"
    & skf18("1","1","3","4","9","4","1") = "8"
    & skf18("1","1","3","4","9","5","1") = "8"
    & skf18("1","1","3","4","9","6","1") = "8"
    & skf18("1","1","3","4","9","7","1") = "8"
    & skf18("1","1","3","4","9","8","1") = "8"
    & skf18("1","1","3","4","9","9","1") = "8"
    & skf18("1","1","3","4","9","10","1") = "9"
    & skf18("1","1","3","4","10","1","1") = "9"
    & skf18("1","1","3","4","10","2","1") = "9"
    & skf18("1","1","3","4","10","3","1") = "9"
    & skf18("1","1","3","4","10","4","1") = "9"
    & skf18("1","1","3","4","10","5","1") = "9"
    & skf18("1","1","3","4","10","6","1") = "9"
    & skf18("1","1","3","4","10","7","1") = "9"
    & skf18("1","1","3","4","10","8","1") = "9"
    & skf18("1","1","3","4","10","9","1") = "9"
    & skf18("1","1","3","4","10","10","1") = "9"
    & skf18("1","1","3","5","1","1","1") = "4"
    & skf18("1","1","3","5","1","2","1") = "4"
    & skf18("1","1","3","5","1","3","1") = "4"
    & skf18("1","1","3","5","1","4","1") = "4"
    & skf18("1","1","3","5","1","5","1") = "4"
    & skf18("1","1","3","5","1","6","1") = "5"
    & skf18("1","1","3","5","1","7","1") = "6"
    & skf18("1","1","3","5","1","8","1") = "7"
    & skf18("1","1","3","5","1","9","1") = "8"
    & skf18("1","1","3","5","1","10","1") = "9"
    & skf18("1","1","3","5","2","1","1") = "4"
    & skf18("1","1","3","5","2","2","1") = "4"
    & skf18("1","1","3","5","2","3","1") = "4"
    & skf18("1","1","3","5","2","4","1") = "4"
    & skf18("1","1","3","5","2","5","1") = "4"
    & skf18("1","1","3","5","2","6","1") = "5"
    & skf18("1","1","3","5","2","7","1") = "6"
    & skf18("1","1","3","5","2","8","1") = "7"
    & skf18("1","1","3","5","2","9","1") = "8"
    & skf18("1","1","3","5","2","10","1") = "9"
    & skf18("1","1","3","5","3","1","1") = "4"
    & skf18("1","1","3","5","3","2","1") = "4"
    & skf18("1","1","3","5","3","3","1") = "4"
    & skf18("1","1","3","5","3","4","1") = "4"
    & skf18("1","1","3","5","3","5","1") = "4"
    & skf18("1","1","3","5","3","6","1") = "5"
    & skf18("1","1","3","5","3","7","1") = "6"
    & skf18("1","1","3","5","3","8","1") = "7"
    & skf18("1","1","3","5","3","9","1") = "8"
    & skf18("1","1","3","5","3","10","1") = "9"
    & skf18("1","1","3","5","4","1","1") = "4"
    & skf18("1","1","3","5","4","2","1") = "4"
    & skf18("1","1","3","5","4","3","1") = "4"
    & skf18("1","1","3","5","4","4","1") = "4"
    & skf18("1","1","3","5","4","5","1") = "4"
    & skf18("1","1","3","5","4","6","1") = "5"
    & skf18("1","1","3","5","4","7","1") = "6"
    & skf18("1","1","3","5","4","8","1") = "7"
    & skf18("1","1","3","5","4","9","1") = "8"
    & skf18("1","1","3","5","4","10","1") = "9"
    & skf18("1","1","3","5","5","1","1") = "4"
    & skf18("1","1","3","5","5","2","1") = "4"
    & skf18("1","1","3","5","5","3","1") = "4"
    & skf18("1","1","3","5","5","4","1") = "4"
    & skf18("1","1","3","5","5","5","1") = "4"
    & skf18("1","1","3","5","5","6","1") = "5"
    & skf18("1","1","3","5","5","7","1") = "6"
    & skf18("1","1","3","5","5","8","1") = "7"
    & skf18("1","1","3","5","5","9","1") = "8"
    & skf18("1","1","3","5","5","10","1") = "9"
    & skf18("1","1","3","5","6","1","1") = "5"
    & skf18("1","1","3","5","6","2","1") = "5"
    & skf18("1","1","3","5","6","3","1") = "5"
    & skf18("1","1","3","5","6","4","1") = "5"
    & skf18("1","1","3","5","6","5","1") = "5"
    & skf18("1","1","3","5","6","6","1") = "5"
    & skf18("1","1","3","5","6","7","1") = "6"
    & skf18("1","1","3","5","6","8","1") = "7"
    & skf18("1","1","3","5","6","9","1") = "8"
    & skf18("1","1","3","5","6","10","1") = "9"
    & skf18("1","1","3","5","7","1","1") = "6"
    & skf18("1","1","3","5","7","2","1") = "6"
    & skf18("1","1","3","5","7","3","1") = "6"
    & skf18("1","1","3","5","7","4","1") = "6"
    & skf18("1","1","3","5","7","5","1") = "6"
    & skf18("1","1","3","5","7","6","1") = "6"
    & skf18("1","1","3","5","7","7","1") = "6"
    & skf18("1","1","3","5","7","8","1") = "7"
    & skf18("1","1","3","5","7","9","1") = "8"
    & skf18("1","1","3","5","7","10","1") = "9"
    & skf18("1","1","3","5","8","1","1") = "7"
    & skf18("1","1","3","5","8","2","1") = "7"
    & skf18("1","1","3","5","8","3","1") = "7"
    & skf18("1","1","3","5","8","4","1") = "7"
    & skf18("1","1","3","5","8","5","1") = "7"
    & skf18("1","1","3","5","8","6","1") = "7"
    & skf18("1","1","3","5","8","7","1") = "7"
    & skf18("1","1","3","5","8","8","1") = "7"
    & skf18("1","1","3","5","8","9","1") = "8"
    & skf18("1","1","3","5","8","10","1") = "9"
    & skf18("1","1","3","5","9","1","1") = "8"
    & skf18("1","1","3","5","9","2","1") = "8"
    & skf18("1","1","3","5","9","3","1") = "8"
    & skf18("1","1","3","5","9","4","1") = "8"
    & skf18("1","1","3","5","9","5","1") = "8"
    & skf18("1","1","3","5","9","6","1") = "8"
    & skf18("1","1","3","5","9","7","1") = "8"
    & skf18("1","1","3","5","9","8","1") = "8"
    & skf18("1","1","3","5","9","9","1") = "8"
    & skf18("1","1","3","5","9","10","1") = "9"
    & skf18("1","1","3","5","10","1","1") = "9"
    & skf18("1","1","3","5","10","2","1") = "9"
    & skf18("1","1","3","5","10","3","1") = "9"
    & skf18("1","1","3","5","10","4","1") = "9"
    & skf18("1","1","3","5","10","5","1") = "9"
    & skf18("1","1","3","5","10","6","1") = "9"
    & skf18("1","1","3","5","10","7","1") = "9"
    & skf18("1","1","3","5","10","8","1") = "9"
    & skf18("1","1","3","5","10","9","1") = "9"
    & skf18("1","1","3","5","10","10","1") = "9"
    & skf18("1","1","3","6","1","1","1") = "5"
    & skf18("1","1","3","6","1","2","1") = "5"
    & skf18("1","1","3","6","1","3","1") = "5"
    & skf18("1","1","3","6","1","4","1") = "5"
    & skf18("1","1","3","6","1","5","1") = "5"
    & skf18("1","1","3","6","1","6","1") = "5"
    & skf18("1","1","3","6","1","7","1") = "6"
    & skf18("1","1","3","6","1","8","1") = "7"
    & skf18("1","1","3","6","1","9","1") = "8"
    & skf18("1","1","3","6","1","10","1") = "9"
    & skf18("1","1","3","6","2","1","1") = "5"
    & skf18("1","1","3","6","2","2","1") = "5"
    & skf18("1","1","3","6","2","3","1") = "5"
    & skf18("1","1","3","6","2","4","1") = "5"
    & skf18("1","1","3","6","2","5","1") = "5"
    & skf18("1","1","3","6","2","6","1") = "5"
    & skf18("1","1","3","6","2","7","1") = "6"
    & skf18("1","1","3","6","2","8","1") = "7"
    & skf18("1","1","3","6","2","9","1") = "8"
    & skf18("1","1","3","6","2","10","1") = "9"
    & skf18("1","1","3","6","3","1","1") = "5"
    & skf18("1","1","3","6","3","2","1") = "5"
    & skf18("1","1","3","6","3","3","1") = "5"
    & skf18("1","1","3","6","3","4","1") = "5"
    & skf18("1","1","3","6","3","5","1") = "5"
    & skf18("1","1","3","6","3","6","1") = "5"
    & skf18("1","1","3","6","3","7","1") = "6"
    & skf18("1","1","3","6","3","8","1") = "7"
    & skf18("1","1","3","6","3","9","1") = "8"
    & skf18("1","1","3","6","3","10","1") = "9"
    & skf18("1","1","3","6","4","1","1") = "5"
    & skf18("1","1","3","6","4","2","1") = "5"
    & skf18("1","1","3","6","4","3","1") = "5"
    & skf18("1","1","3","6","4","4","1") = "5"
    & skf18("1","1","3","6","4","5","1") = "5"
    & skf18("1","1","3","6","4","6","1") = "5"
    & skf18("1","1","3","6","4","7","1") = "6"
    & skf18("1","1","3","6","4","8","1") = "7"
    & skf18("1","1","3","6","4","9","1") = "8"
    & skf18("1","1","3","6","4","10","1") = "9"
    & skf18("1","1","3","6","5","1","1") = "5"
    & skf18("1","1","3","6","5","2","1") = "5"
    & skf18("1","1","3","6","5","3","1") = "5"
    & skf18("1","1","3","6","5","4","1") = "5"
    & skf18("1","1","3","6","5","5","1") = "5"
    & skf18("1","1","3","6","5","6","1") = "5"
    & skf18("1","1","3","6","5","7","1") = "6"
    & skf18("1","1","3","6","5","8","1") = "7"
    & skf18("1","1","3","6","5","9","1") = "8"
    & skf18("1","1","3","6","5","10","1") = "9"
    & skf18("1","1","3","6","6","1","1") = "5"
    & skf18("1","1","3","6","6","2","1") = "5"
    & skf18("1","1","3","6","6","3","1") = "5"
    & skf18("1","1","3","6","6","4","1") = "5"
    & skf18("1","1","3","6","6","5","1") = "5"
    & skf18("1","1","3","6","6","6","1") = "5"
    & skf18("1","1","3","6","6","7","1") = "6"
    & skf18("1","1","3","6","6","8","1") = "7"
    & skf18("1","1","3","6","6","9","1") = "8"
    & skf18("1","1","3","6","6","10","1") = "9"
    & skf18("1","1","3","6","7","1","1") = "6"
    & skf18("1","1","3","6","7","2","1") = "6"
    & skf18("1","1","3","6","7","3","1") = "6"
    & skf18("1","1","3","6","7","4","1") = "6"
    & skf18("1","1","3","6","7","5","1") = "6"
    & skf18("1","1","3","6","7","6","1") = "6"
    & skf18("1","1","3","6","7","7","1") = "6"
    & skf18("1","1","3","6","7","8","1") = "7"
    & skf18("1","1","3","6","7","9","1") = "8"
    & skf18("1","1","3","6","7","10","1") = "9"
    & skf18("1","1","3","6","8","1","1") = "7"
    & skf18("1","1","3","6","8","2","1") = "7"
    & skf18("1","1","3","6","8","3","1") = "7"
    & skf18("1","1","3","6","8","4","1") = "7"
    & skf18("1","1","3","6","8","5","1") = "7"
    & skf18("1","1","3","6","8","6","1") = "7"
    & skf18("1","1","3","6","8","7","1") = "7"
    & skf18("1","1","3","6","8","8","1") = "7"
    & skf18("1","1","3","6","8","9","1") = "8"
    & skf18("1","1","3","6","8","10","1") = "9"
    & skf18("1","1","3","6","9","1","1") = "8"
    & skf18("1","1","3","6","9","2","1") = "8"
    & skf18("1","1","3","6","9","3","1") = "8"
    & skf18("1","1","3","6","9","4","1") = "8"
    & skf18("1","1","3","6","9","5","1") = "8"
    & skf18("1","1","3","6","9","6","1") = "8"
    & skf18("1","1","3","6","9","7","1") = "8"
    & skf18("1","1","3","6","9","8","1") = "8"
    & skf18("1","1","3","6","9","9","1") = "8"
    & skf18("1","1","3","6","9","10","1") = "9"
    & skf18("1","1","3","6","10","1","1") = "9"
    & skf18("1","1","3","6","10","2","1") = "9"
    & skf18("1","1","3","6","10","3","1") = "9"
    & skf18("1","1","3","6","10","4","1") = "9"
    & skf18("1","1","3","6","10","5","1") = "9"
    & skf18("1","1","3","6","10","6","1") = "9"
    & skf18("1","1","3","6","10","7","1") = "9"
    & skf18("1","1","3","6","10","8","1") = "9"
    & skf18("1","1","3","6","10","9","1") = "9"
    & skf18("1","1","3","6","10","10","1") = "9"
    & skf18("1","1","3","7","1","1","1") = "6"
    & skf18("1","1","3","7","1","2","1") = "6"
    & skf18("1","1","3","7","1","3","1") = "6"
    & skf18("1","1","3","7","1","4","1") = "6"
    & skf18("1","1","3","7","1","5","1") = "6"
    & skf18("1","1","3","7","1","6","1") = "6"
    & skf18("1","1","3","7","1","7","1") = "6"
    & skf18("1","1","3","7","1","8","1") = "7"
    & skf18("1","1","3","7","1","9","1") = "8"
    & skf18("1","1","3","7","1","10","1") = "9"
    & skf18("1","1","3","7","2","1","1") = "6"
    & skf18("1","1","3","7","2","2","1") = "6"
    & skf18("1","1","3","7","2","3","1") = "6"
    & skf18("1","1","3","7","2","4","1") = "6"
    & skf18("1","1","3","7","2","5","1") = "6"
    & skf18("1","1","3","7","2","6","1") = "6"
    & skf18("1","1","3","7","2","7","1") = "6"
    & skf18("1","1","3","7","2","8","1") = "7"
    & skf18("1","1","3","7","2","9","1") = "8"
    & skf18("1","1","3","7","2","10","1") = "9"
    & skf18("1","1","3","7","3","1","1") = "6"
    & skf18("1","1","3","7","3","2","1") = "6"
    & skf18("1","1","3","7","3","3","1") = "6"
    & skf18("1","1","3","7","3","4","1") = "6"
    & skf18("1","1","3","7","3","5","1") = "6"
    & skf18("1","1","3","7","3","6","1") = "6"
    & skf18("1","1","3","7","3","7","1") = "6"
    & skf18("1","1","3","7","3","8","1") = "7"
    & skf18("1","1","3","7","3","9","1") = "8"
    & skf18("1","1","3","7","3","10","1") = "9"
    & skf18("1","1","3","7","4","1","1") = "6"
    & skf18("1","1","3","7","4","2","1") = "6"
    & skf18("1","1","3","7","4","3","1") = "6"
    & skf18("1","1","3","7","4","4","1") = "6"
    & skf18("1","1","3","7","4","5","1") = "6"
    & skf18("1","1","3","7","4","6","1") = "6"
    & skf18("1","1","3","7","4","7","1") = "6"
    & skf18("1","1","3","7","4","8","1") = "7"
    & skf18("1","1","3","7","4","9","1") = "8"
    & skf18("1","1","3","7","4","10","1") = "9"
    & skf18("1","1","3","7","5","1","1") = "6"
    & skf18("1","1","3","7","5","2","1") = "6"
    & skf18("1","1","3","7","5","3","1") = "6"
    & skf18("1","1","3","7","5","4","1") = "6"
    & skf18("1","1","3","7","5","5","1") = "6"
    & skf18("1","1","3","7","5","6","1") = "6"
    & skf18("1","1","3","7","5","7","1") = "6"
    & skf18("1","1","3","7","5","8","1") = "7"
    & skf18("1","1","3","7","5","9","1") = "8"
    & skf18("1","1","3","7","5","10","1") = "9"
    & skf18("1","1","3","7","6","1","1") = "6"
    & skf18("1","1","3","7","6","2","1") = "6"
    & skf18("1","1","3","7","6","3","1") = "6"
    & skf18("1","1","3","7","6","4","1") = "6"
    & skf18("1","1","3","7","6","5","1") = "6"
    & skf18("1","1","3","7","6","6","1") = "6"
    & skf18("1","1","3","7","6","7","1") = "6"
    & skf18("1","1","3","7","6","8","1") = "7"
    & skf18("1","1","3","7","6","9","1") = "8"
    & skf18("1","1","3","7","6","10","1") = "9"
    & skf18("1","1","3","7","7","1","1") = "6"
    & skf18("1","1","3","7","7","2","1") = "6"
    & skf18("1","1","3","7","7","3","1") = "6"
    & skf18("1","1","3","7","7","4","1") = "6"
    & skf18("1","1","3","7","7","5","1") = "6"
    & skf18("1","1","3","7","7","6","1") = "6"
    & skf18("1","1","3","7","7","7","1") = "6"
    & skf18("1","1","3","7","7","8","1") = "7"
    & skf18("1","1","3","7","7","9","1") = "8"
    & skf18("1","1","3","7","7","10","1") = "9"
    & skf18("1","1","3","7","8","1","1") = "4"
    & skf18("1","1","3","7","8","2","1") = "4"
    & skf18("1","1","3","7","8","3","1") = "4"
    & skf18("1","1","3","7","8","4","1") = "7"
    & skf18("1","1","3","7","8","5","1") = "4"
    & skf18("1","1","3","7","8","6","1") = "7"
    & skf18("1","1","3","7","8","7","1") = "7"
    & skf18("1","1","3","7","8","8","1") = "7"
    & skf18("1","1","3","7","8","9","1") = "8"
    & skf18("1","1","3","7","8","10","1") = "9"
    & skf18("1","1","3","7","9","1","1") = "8"
    & skf18("1","1","3","7","9","2","1") = "8"
    & skf18("1","1","3","7","9","3","1") = "8"
    & skf18("1","1","3","7","9","4","1") = "8"
    & skf18("1","1","3","7","9","5","1") = "8"
    & skf18("1","1","3","7","9","6","1") = "8"
    & skf18("1","1","3","7","9","7","1") = "8"
    & skf18("1","1","3","7","9","8","1") = "8"
    & skf18("1","1","3","7","9","9","1") = "8"
    & skf18("1","1","3","7","9","10","1") = "9"
    & skf18("1","1","3","7","10","1","1") = "9"
    & skf18("1","1","3","7","10","2","1") = "9"
    & skf18("1","1","3","7","10","3","1") = "9"
    & skf18("1","1","3","7","10","4","1") = "9"
    & skf18("1","1","3","7","10","5","1") = "9"
    & skf18("1","1","3","7","10","6","1") = "9"
    & skf18("1","1","3","7","10","7","1") = "9"
    & skf18("1","1","3","7","10","8","1") = "9"
    & skf18("1","1","3","7","10","9","1") = "9"
    & skf18("1","1","3","7","10","10","1") = "9"
    & skf18("1","1","3","8","1","1","1") = "7"
    & skf18("1","1","3","8","1","2","1") = "7"
    & skf18("1","1","3","8","1","3","1") = "7"
    & skf18("1","1","3","8","1","4","1") = "7"
    & skf18("1","1","3","8","1","5","1") = "7"
    & skf18("1","1","3","8","1","6","1") = "7"
    & skf18("1","1","3","8","1","7","1") = "7"
    & skf18("1","1","3","8","1","8","1") = "7"
    & skf18("1","1","3","8","1","9","1") = "8"
    & skf18("1","1","3","8","1","10","1") = "9"
    & skf18("1","1","3","8","2","1","1") = "7"
    & skf18("1","1","3","8","2","2","1") = "7"
    & skf18("1","1","3","8","2","3","1") = "7"
    & skf18("1","1","3","8","2","4","1") = "7"
    & skf18("1","1","3","8","2","5","1") = "7"
    & skf18("1","1","3","8","2","6","1") = "7"
    & skf18("1","1","3","8","2","7","1") = "7"
    & skf18("1","1","3","8","2","8","1") = "7"
    & skf18("1","1","3","8","2","9","1") = "8"
    & skf18("1","1","3","8","2","10","1") = "9"
    & skf18("1","1","3","8","3","1","1") = "7"
    & skf18("1","1","3","8","3","2","1") = "7"
    & skf18("1","1","3","8","3","3","1") = "7"
    & skf18("1","1","3","8","3","4","1") = "7"
    & skf18("1","1","3","8","3","5","1") = "7"
    & skf18("1","1","3","8","3","6","1") = "7"
    & skf18("1","1","3","8","3","7","1") = "7"
    & skf18("1","1","3","8","3","8","1") = "7"
    & skf18("1","1","3","8","3","9","1") = "8"
    & skf18("1","1","3","8","3","10","1") = "9"
    & skf18("1","1","3","8","4","1","1") = "7"
    & skf18("1","1","3","8","4","2","1") = "7"
    & skf18("1","1","3","8","4","3","1") = "7"
    & skf18("1","1","3","8","4","4","1") = "7"
    & skf18("1","1","3","8","4","5","1") = "7"
    & skf18("1","1","3","8","4","6","1") = "7"
    & skf18("1","1","3","8","4","7","1") = "7"
    & skf18("1","1","3","8","4","8","1") = "7"
    & skf18("1","1","3","8","4","9","1") = "8"
    & skf18("1","1","3","8","4","10","1") = "9"
    & skf18("1","1","3","8","5","1","1") = "7"
    & skf18("1","1","3","8","5","2","1") = "7"
    & skf18("1","1","3","8","5","3","1") = "7"
    & skf18("1","1","3","8","5","4","1") = "7"
    & skf18("1","1","3","8","5","5","1") = "7"
    & skf18("1","1","3","8","5","6","1") = "7"
    & skf18("1","1","3","8","5","7","1") = "7"
    & skf18("1","1","3","8","5","8","1") = "7"
    & skf18("1","1","3","8","5","9","1") = "8"
    & skf18("1","1","3","8","5","10","1") = "9"
    & skf18("1","1","3","8","6","1","1") = "7"
    & skf18("1","1","3","8","6","2","1") = "7"
    & skf18("1","1","3","8","6","3","1") = "7"
    & skf18("1","1","3","8","6","4","1") = "7"
    & skf18("1","1","3","8","6","5","1") = "7"
    & skf18("1","1","3","8","6","6","1") = "7"
    & skf18("1","1","3","8","6","7","1") = "7"
    & skf18("1","1","3","8","6","8","1") = "7"
    & skf18("1","1","3","8","6","9","1") = "8"
    & skf18("1","1","3","8","6","10","1") = "9"
    & skf18("1","1","3","8","7","1","1") = "7"
    & skf18("1","1","3","8","7","2","1") = "7"
    & skf18("1","1","3","8","7","3","1") = "7"
    & skf18("1","1","3","8","7","4","1") = "7"
    & skf18("1","1","3","8","7","5","1") = "7"
    & skf18("1","1","3","8","7","6","1") = "7"
    & skf18("1","1","3","8","7","7","1") = "7"
    & skf18("1","1","3","8","7","8","1") = "7"
    & skf18("1","1","3","8","7","9","1") = "8"
    & skf18("1","1","3","8","7","10","1") = "9"
    & skf18("1","1","3","8","8","1","1") = "7"
    & skf18("1","1","3","8","8","2","1") = "7"
    & skf18("1","1","3","8","8","3","1") = "7"
    & skf18("1","1","3","8","8","4","1") = "7"
    & skf18("1","1","3","8","8","5","1") = "7"
    & skf18("1","1","3","8","8","6","1") = "7"
    & skf18("1","1","3","8","8","7","1") = "7"
    & skf18("1","1","3","8","8","8","1") = "7"
    & skf18("1","1","3","8","8","9","1") = "8"
    & skf18("1","1","3","8","8","10","1") = "9"
    & skf18("1","1","3","8","9","1","1") = "8"
    & skf18("1","1","3","8","9","2","1") = "8"
    & skf18("1","1","3","8","9","3","1") = "8"
    & skf18("1","1","3","8","9","4","1") = "8"
    & skf18("1","1","3","8","9","5","1") = "8"
    & skf18("1","1","3","8","9","6","1") = "8"
    & skf18("1","1","3","8","9","7","1") = "8"
    & skf18("1","1","3","8","9","8","1") = "8"
    & skf18("1","1","3","8","9","9","1") = "8"
    & skf18("1","1","3","8","9","10","1") = "9"
    & skf18("1","1","3","8","10","1","1") = "9"
    & skf18("1","1","3","8","10","2","1") = "9"
    & skf18("1","1","3","8","10","3","1") = "9"
    & skf18("1","1","3","8","10","4","1") = "9"
    & skf18("1","1","3","8","10","5","1") = "9"
    & skf18("1","1","3","8","10","6","1") = "9"
    & skf18("1","1","3","8","10","7","1") = "9"
    & skf18("1","1","3","8","10","8","1") = "9"
    & skf18("1","1","3","8","10","9","1") = "9"
    & skf18("1","1","3","8","10","10","1") = "9"
    & skf18("1","1","3","9","1","1","1") = "8"
    & skf18("1","1","3","9","1","2","1") = "8"
    & skf18("1","1","3","9","1","3","1") = "8"
    & skf18("1","1","3","9","1","4","1") = "8"
    & skf18("1","1","3","9","1","5","1") = "8"
    & skf18("1","1","3","9","1","6","1") = "8"
    & skf18("1","1","3","9","1","7","1") = "8"
    & skf18("1","1","3","9","1","8","1") = "8"
    & skf18("1","1","3","9","1","9","1") = "8"
    & skf18("1","1","3","9","1","10","1") = "9"
    & skf18("1","1","3","9","2","1","1") = "8"
    & skf18("1","1","3","9","2","2","1") = "8"
    & skf18("1","1","3","9","2","3","1") = "8"
    & skf18("1","1","3","9","2","4","1") = "8"
    & skf18("1","1","3","9","2","5","1") = "8"
    & skf18("1","1","3","9","2","6","1") = "8"
    & skf18("1","1","3","9","2","7","1") = "8"
    & skf18("1","1","3","9","2","8","1") = "8"
    & skf18("1","1","3","9","2","9","1") = "8"
    & skf18("1","1","3","9","2","10","1") = "9"
    & skf18("1","1","3","9","3","1","1") = "8"
    & skf18("1","1","3","9","3","2","1") = "8"
    & skf18("1","1","3","9","3","3","1") = "8"
    & skf18("1","1","3","9","3","4","1") = "8"
    & skf18("1","1","3","9","3","5","1") = "8"
    & skf18("1","1","3","9","3","6","1") = "8"
    & skf18("1","1","3","9","3","7","1") = "8"
    & skf18("1","1","3","9","3","8","1") = "8"
    & skf18("1","1","3","9","3","9","1") = "8"
    & skf18("1","1","3","9","3","10","1") = "9"
    & skf18("1","1","3","9","4","1","1") = "8"
    & skf18("1","1","3","9","4","2","1") = "8"
    & skf18("1","1","3","9","4","3","1") = "8"
    & skf18("1","1","3","9","4","4","1") = "8"
    & skf18("1","1","3","9","4","5","1") = "8"
    & skf18("1","1","3","9","4","6","1") = "8"
    & skf18("1","1","3","9","4","7","1") = "8"
    & skf18("1","1","3","9","4","8","1") = "8"
    & skf18("1","1","3","9","4","9","1") = "8"
    & skf18("1","1","3","9","4","10","1") = "9"
    & skf18("1","1","3","9","5","1","1") = "8"
    & skf18("1","1","3","9","5","2","1") = "8"
    & skf18("1","1","3","9","5","3","1") = "8"
    & skf18("1","1","3","9","5","4","1") = "8"
    & skf18("1","1","3","9","5","5","1") = "8"
    & skf18("1","1","3","9","5","6","1") = "8"
    & skf18("1","1","3","9","5","7","1") = "8"
    & skf18("1","1","3","9","5","8","1") = "8"
    & skf18("1","1","3","9","5","9","1") = "8"
    & skf18("1","1","3","9","5","10","1") = "9"
    & skf18("1","1","3","9","6","1","1") = "8"
    & skf18("1","1","3","9","6","2","1") = "8"
    & skf18("1","1","3","9","6","3","1") = "8"
    & skf18("1","1","3","9","6","4","1") = "8"
    & skf18("1","1","3","9","6","5","1") = "8"
    & skf18("1","1","3","9","6","6","1") = "8"
    & skf18("1","1","3","9","6","7","1") = "8"
    & skf18("1","1","3","9","6","8","1") = "8"
    & skf18("1","1","3","9","6","9","1") = "8"
    & skf18("1","1","3","9","6","10","1") = "9"
    & skf18("1","1","3","9","7","1","1") = "8"
    & skf18("1","1","3","9","7","2","1") = "8"
    & skf18("1","1","3","9","7","3","1") = "8"
    & skf18("1","1","3","9","7","4","1") = "8"
    & skf18("1","1","3","9","7","5","1") = "8"
    & skf18("1","1","3","9","7","6","1") = "8"
    & skf18("1","1","3","9","7","7","1") = "8"
    & skf18("1","1","3","9","7","8","1") = "8"
    & skf18("1","1","3","9","7","9","1") = "8"
    & skf18("1","1","3","9","7","10","1") = "9"
    & skf18("1","1","3","9","8","1","1") = "8"
    & skf18("1","1","3","9","8","2","1") = "8"
    & skf18("1","1","3","9","8","3","1") = "8"
    & skf18("1","1","3","9","8","4","1") = "8"
    & skf18("1","1","3","9","8","5","1") = "8"
    & skf18("1","1","3","9","8","6","1") = "8"
    & skf18("1","1","3","9","8","7","1") = "8"
    & skf18("1","1","3","9","8","8","1") = "8"
    & skf18("1","1","3","9","8","9","1") = "8"
    & skf18("1","1","3","9","8","10","1") = "9"
    & skf18("1","1","3","9","9","1","1") = "8"
    & skf18("1","1","3","9","9","2","1") = "8"
    & skf18("1","1","3","9","9","3","1") = "8"
    & skf18("1","1","3","9","9","4","1") = "8"
    & skf18("1","1","3","9","9","5","1") = "8"
    & skf18("1","1","3","9","9","6","1") = "8"
    & skf18("1","1","3","9","9","7","1") = "8"
    & skf18("1","1","3","9","9","8","1") = "8"
    & skf18("1","1","3","9","9","9","1") = "8"
    & skf18("1","1","3","9","9","10","1") = "9"
    & skf18("1","1","3","9","10","1","1") = "9"
    & skf18("1","1","3","9","10","2","1") = "9"
    & skf18("1","1","3","9","10","3","1") = "9"
    & skf18("1","1","3","9","10","4","1") = "9"
    & skf18("1","1","3","9","10","5","1") = "9"
    & skf18("1","1","3","9","10","6","1") = "9"
    & skf18("1","1","3","9","10","7","1") = "9"
    & skf18("1","1","3","9","10","8","1") = "9"
    & skf18("1","1","3","9","10","9","1") = "9"
    & skf18("1","1","3","9","10","10","1") = "9"
    & skf18("1","1","3","10","1","1","1") = "9"
    & skf18("1","1","3","10","1","2","1") = "9"
    & skf18("1","1","3","10","1","3","1") = "9"
    & skf18("1","1","3","10","1","4","1") = "9"
    & skf18("1","1","3","10","1","5","1") = "9"
    & skf18("1","1","3","10","1","6","1") = "9"
    & skf18("1","1","3","10","1","7","1") = "9"
    & skf18("1","1","3","10","1","8","1") = "9"
    & skf18("1","1","3","10","1","9","1") = "9"
    & skf18("1","1","3","10","1","10","1") = "9"
    & skf18("1","1","3","10","2","1","1") = "9"
    & skf18("1","1","3","10","2","2","1") = "9"
    & skf18("1","1","3","10","2","3","1") = "9"
    & skf18("1","1","3","10","2","4","1") = "9"
    & skf18("1","1","3","10","2","5","1") = "9"
    & skf18("1","1","3","10","2","6","1") = "9"
    & skf18("1","1","3","10","2","7","1") = "9"
    & skf18("1","1","3","10","2","8","1") = "9"
    & skf18("1","1","3","10","2","9","1") = "9"
    & skf18("1","1","3","10","2","10","1") = "9"
    & skf18("1","1","3","10","3","1","1") = "9"
    & skf18("1","1","3","10","3","2","1") = "9"
    & skf18("1","1","3","10","3","3","1") = "9"
    & skf18("1","1","3","10","3","4","1") = "9"
    & skf18("1","1","3","10","3","5","1") = "9"
    & skf18("1","1","3","10","3","6","1") = "9"
    & skf18("1","1","3","10","3","7","1") = "9"
    & skf18("1","1","3","10","3","8","1") = "9"
    & skf18("1","1","3","10","3","9","1") = "9"
    & skf18("1","1","3","10","3","10","1") = "9"
    & skf18("1","1","3","10","4","1","1") = "9"
    & skf18("1","1","3","10","4","2","1") = "9"
    & skf18("1","1","3","10","4","3","1") = "9"
    & skf18("1","1","3","10","4","4","1") = "9"
    & skf18("1","1","3","10","4","5","1") = "9"
    & skf18("1","1","3","10","4","6","1") = "9"
    & skf18("1","1","3","10","4","7","1") = "9"
    & skf18("1","1","3","10","4","8","1") = "9"
    & skf18("1","1","3","10","4","9","1") = "9"
    & skf18("1","1","3","10","4","10","1") = "9"
    & skf18("1","1","3","10","5","1","1") = "9"
    & skf18("1","1","3","10","5","2","1") = "9"
    & skf18("1","1","3","10","5","3","1") = "9"
    & skf18("1","1","3","10","5","4","1") = "9"
    & skf18("1","1","3","10","5","5","1") = "9"
    & skf18("1","1","3","10","5","6","1") = "9"
    & skf18("1","1","3","10","5","7","1") = "9"
    & skf18("1","1","3","10","5","8","1") = "9"
    & skf18("1","1","3","10","5","9","1") = "9"
    & skf18("1","1","3","10","5","10","1") = "9"
    & skf18("1","1","3","10","6","1","1") = "9"
    & skf18("1","1","3","10","6","2","1") = "9"
    & skf18("1","1","3","10","6","3","1") = "9"
    & skf18("1","1","3","10","6","4","1") = "9"
    & skf18("1","1","3","10","6","5","1") = "9"
    & skf18("1","1","3","10","6","6","1") = "9"
    & skf18("1","1","3","10","6","7","1") = "9"
    & skf18("1","1","3","10","6","8","1") = "9"
    & skf18("1","1","3","10","6","9","1") = "9"
    & skf18("1","1","3","10","6","10","1") = "9"
    & skf18("1","1","3","10","7","1","1") = "9"
    & skf18("1","1","3","10","7","2","1") = "9"
    & skf18("1","1","3","10","7","3","1") = "9"
    & skf18("1","1","3","10","7","4","1") = "9"
    & skf18("1","1","3","10","7","5","1") = "9"
    & skf18("1","1","3","10","7","6","1") = "9"
    & skf18("1","1","3","10","7","7","1") = "9"
    & skf18("1","1","3","10","7","8","1") = "9"
    & skf18("1","1","3","10","7","9","1") = "9"
    & skf18("1","1","3","10","7","10","1") = "9"
    & skf18("1","1","3","10","8","1","1") = "9"
    & skf18("1","1","3","10","8","2","1") = "9"
    & skf18("1","1","3","10","8","3","1") = "9"
    & skf18("1","1","3","10","8","4","1") = "9"
    & skf18("1","1","3","10","8","5","1") = "9"
    & skf18("1","1","3","10","8","6","1") = "9"
    & skf18("1","1","3","10","8","7","1") = "9"
    & skf18("1","1","3","10","8","8","1") = "9"
    & skf18("1","1","3","10","8","9","1") = "9"
    & skf18("1","1","3","10","8","10","1") = "9"
    & skf18("1","1","3","10","9","1","1") = "9"
    & skf18("1","1","3","10","9","2","1") = "9"
    & skf18("1","1","3","10","9","3","1") = "9"
    & skf18("1","1","3","10","9","4","1") = "9"
    & skf18("1","1","3","10","9","5","1") = "9"
    & skf18("1","1","3","10","9","6","1") = "9"
    & skf18("1","1","3","10","9","7","1") = "9"
    & skf18("1","1","3","10","9","8","1") = "9"
    & skf18("1","1","3","10","9","9","1") = "9"
    & skf18("1","1","3","10","9","10","1") = "9"
    & skf18("1","1","3","10","10","1","1") = "9"
    & skf18("1","1","3","10","10","2","1") = "9"
    & skf18("1","1","3","10","10","3","1") = "9"
    & skf18("1","1","3","10","10","4","1") = "9"
    & skf18("1","1","3","10","10","5","1") = "9"
    & skf18("1","1","3","10","10","6","1") = "9"
    & skf18("1","1","3","10","10","7","1") = "9"
    & skf18("1","1","3","10","10","8","1") = "9"
    & skf18("1","1","3","10","10","9","1") = "9"
    & skf18("1","1","3","10","10","10","1") = "9"
    & skf18("1","1","4","1","1","1","1") = "3"
    & skf18("1","1","4","1","1","2","1") = "3"
    & skf18("1","1","4","1","1","3","1") = "3"
    & skf18("1","1","4","1","1","4","1") = "3"
    & skf18("1","1","4","1","1","5","1") = "4"
    & skf18("1","1","4","1","1","6","1") = "5"
    & skf18("1","1","4","1","1","7","1") = "6"
    & skf18("1","1","4","1","1","8","1") = "7"
    & skf18("1","1","4","1","1","9","1") = "8"
    & skf18("1","1","4","1","1","10","1") = "9"
    & skf18("1","1","4","1","2","1","1") = "3"
    & skf18("1","1","4","1","2","2","1") = "3"
    & skf18("1","1","4","1","2","3","1") = "3"
    & skf18("1","1","4","1","2","4","1") = "3"
    & skf18("1","1","4","1","2","5","1") = "4"
    & skf18("1","1","4","1","2","6","1") = "5"
    & skf18("1","1","4","1","2","7","1") = "6"
    & skf18("1","1","4","1","2","8","1") = "7"
    & skf18("1","1","4","1","2","9","1") = "8"
    & skf18("1","1","4","1","2","10","1") = "9"
    & skf18("1","1","4","1","3","1","1") = "3"
    & skf18("1","1","4","1","3","2","1") = "3"
    & skf18("1","1","4","1","3","3","1") = "3"
    & skf18("1","1","4","1","3","4","1") = "3"
    & skf18("1","1","4","1","3","5","1") = "4"
    & skf18("1","1","4","1","3","6","1") = "5"
    & skf18("1","1","4","1","3","7","1") = "6"
    & skf18("1","1","4","1","3","8","1") = "7"
    & skf18("1","1","4","1","3","9","1") = "8"
    & skf18("1","1","4","1","3","10","1") = "9"
    & skf18("1","1","4","1","4","1","1") = "3"
    & skf18("1","1","4","1","4","2","1") = "3"
    & skf18("1","1","4","1","4","3","1") = "3"
    & skf18("1","1","4","1","4","4","1") = "3"
    & skf18("1","1","4","1","4","5","1") = "4"
    & skf18("1","1","4","1","4","6","1") = "5"
    & skf18("1","1","4","1","4","7","1") = "6"
    & skf18("1","1","4","1","4","8","1") = "7"
    & skf18("1","1","4","1","4","9","1") = "8"
    & skf18("1","1","4","1","4","10","1") = "9"
    & skf18("1","1","4","1","5","1","1") = "4"
    & skf18("1","1","4","1","5","2","1") = "4"
    & skf18("1","1","4","1","5","3","1") = "4"
    & skf18("1","1","4","1","5","4","1") = "4"
    & skf18("1","1","4","1","5","5","1") = "4"
    & skf18("1","1","4","1","5","6","1") = "5"
    & skf18("1","1","4","1","5","7","1") = "6"
    & skf18("1","1","4","1","5","8","1") = "7"
    & skf18("1","1","4","1","5","9","1") = "8"
    & skf18("1","1","4","1","5","10","1") = "9"
    & skf18("1","1","4","1","6","1","1") = "5"
    & skf18("1","1","4","1","6","2","1") = "5"
    & skf18("1","1","4","1","6","3","1") = "5"
    & skf18("1","1","4","1","6","4","1") = "5"
    & skf18("1","1","4","1","6","5","1") = "5"
    & skf18("1","1","4","1","6","6","1") = "5"
    & skf18("1","1","4","1","6","7","1") = "6"
    & skf18("1","1","4","1","6","8","1") = "7"
    & skf18("1","1","4","1","6","9","1") = "8"
    & skf18("1","1","4","1","6","10","1") = "9"
    & skf18("1","1","4","1","7","1","1") = "6"
    & skf18("1","1","4","1","7","2","1") = "6"
    & skf18("1","1","4","1","7","3","1") = "6"
    & skf18("1","1","4","1","7","4","1") = "6"
    & skf18("1","1","4","1","7","5","1") = "6"
    & skf18("1","1","4","1","7","6","1") = "6"
    & skf18("1","1","4","1","7","7","1") = "6"
    & skf18("1","1","4","1","7","8","1") = "7"
    & skf18("1","1","4","1","7","9","1") = "8"
    & skf18("1","1","4","1","7","10","1") = "9"
    & skf18("1","1","4","1","8","1","1") = "7"
    & skf18("1","1","4","1","8","2","1") = "7"
    & skf18("1","1","4","1","8","3","1") = "7"
    & skf18("1","1","4","1","8","4","1") = "7"
    & skf18("1","1","4","1","8","5","1") = "7"
    & skf18("1","1","4","1","8","6","1") = "7"
    & skf18("1","1","4","1","8","7","1") = "7"
    & skf18("1","1","4","1","8","8","1") = "7"
    & skf18("1","1","4","1","8","9","1") = "8"
    & skf18("1","1","4","1","8","10","1") = "9"
    & skf18("1","1","4","1","9","1","1") = "8"
    & skf18("1","1","4","1","9","2","1") = "8"
    & skf18("1","1","4","1","9","3","1") = "8"
    & skf18("1","1","4","1","9","4","1") = "8"
    & skf18("1","1","4","1","9","5","1") = "8"
    & skf18("1","1","4","1","9","6","1") = "8"
    & skf18("1","1","4","1","9","7","1") = "8"
    & skf18("1","1","4","1","9","8","1") = "8"
    & skf18("1","1","4","1","9","9","1") = "8"
    & skf18("1","1","4","1","9","10","1") = "9"
    & skf18("1","1","4","1","10","1","1") = "9"
    & skf18("1","1","4","1","10","2","1") = "9"
    & skf18("1","1","4","1","10","3","1") = "9"
    & skf18("1","1","4","1","10","4","1") = "9"
    & skf18("1","1","4","1","10","5","1") = "9"
    & skf18("1","1","4","1","10","6","1") = "9"
    & skf18("1","1","4","1","10","7","1") = "9"
    & skf18("1","1","4","1","10","8","1") = "9"
    & skf18("1","1","4","1","10","9","1") = "9"
    & skf18("1","1","4","1","10","10","1") = "9"
    & skf18("1","1","4","2","1","1","1") = "3"
    & skf18("1","1","4","2","1","2","1") = "3"
    & skf18("1","1","4","2","1","3","1") = "3"
    & skf18("1","1","4","2","1","4","1") = "3"
    & skf18("1","1","4","2","1","5","1") = "4"
    & skf18("1","1","4","2","1","6","1") = "5"
    & skf18("1","1","4","2","1","7","1") = "6"
    & skf18("1","1","4","2","1","8","1") = "7"
    & skf18("1","1","4","2","1","9","1") = "8"
    & skf18("1","1","4","2","1","10","1") = "9"
    & skf18("1","1","4","2","2","1","1") = "3"
    & skf18("1","1","4","2","2","2","1") = "3"
    & skf18("1","1","4","2","2","3","1") = "3"
    & skf18("1","1","4","2","2","4","1") = "3"
    & skf18("1","1","4","2","2","5","1") = "4"
    & skf18("1","1","4","2","2","6","1") = "5"
    & skf18("1","1","4","2","2","7","1") = "6"
    & skf18("1","1","4","2","2","8","1") = "7"
    & skf18("1","1","4","2","2","9","1") = "8"
    & skf18("1","1","4","2","2","10","1") = "9"
    & skf18("1","1","4","2","3","1","1") = "3"
    & skf18("1","1","4","2","3","2","1") = "3"
    & skf18("1","1","4","2","3","3","1") = "3"
    & skf18("1","1","4","2","3","4","1") = "3"
    & skf18("1","1","4","2","3","5","1") = "4"
    & skf18("1","1","4","2","3","6","1") = "5"
    & skf18("1","1","4","2","3","7","1") = "6"
    & skf18("1","1","4","2","3","8","1") = "7"
    & skf18("1","1","4","2","3","9","1") = "8"
    & skf18("1","1","4","2","3","10","1") = "9"
    & skf18("1","1","4","2","4","1","1") = "3"
    & skf18("1","1","4","2","4","2","1") = "3"
    & skf18("1","1","4","2","4","3","1") = "3"
    & skf18("1","1","4","2","4","4","1") = "3"
    & skf18("1","1","4","2","4","5","1") = "4"
    & skf18("1","1","4","2","4","6","1") = "5"
    & skf18("1","1","4","2","4","7","1") = "6"
    & skf18("1","1","4","2","4","8","1") = "7"
    & skf18("1","1","4","2","4","9","1") = "8"
    & skf18("1","1","4","2","4","10","1") = "9"
    & skf18("1","1","4","2","5","1","1") = "4"
    & skf18("1","1","4","2","5","2","1") = "4"
    & skf18("1","1","4","2","5","3","1") = "4"
    & skf18("1","1","4","2","5","4","1") = "4"
    & skf18("1","1","4","2","5","5","1") = "4"
    & skf18("1","1","4","2","5","6","1") = "5"
    & skf18("1","1","4","2","5","7","1") = "6"
    & skf18("1","1","4","2","5","8","1") = "7"
    & skf18("1","1","4","2","5","9","1") = "8"
    & skf18("1","1","4","2","5","10","1") = "9"
    & skf18("1","1","4","2","6","1","1") = "5"
    & skf18("1","1","4","2","6","2","1") = "5"
    & skf18("1","1","4","2","6","3","1") = "5"
    & skf18("1","1","4","2","6","4","1") = "5"
    & skf18("1","1","4","2","6","5","1") = "5"
    & skf18("1","1","4","2","6","6","1") = "5"
    & skf18("1","1","4","2","6","7","1") = "6"
    & skf18("1","1","4","2","6","8","1") = "7"
    & skf18("1","1","4","2","6","9","1") = "8"
    & skf18("1","1","4","2","6","10","1") = "9"
    & skf18("1","1","4","2","7","1","1") = "6"
    & skf18("1","1","4","2","7","2","1") = "6"
    & skf18("1","1","4","2","7","3","1") = "6"
    & skf18("1","1","4","2","7","4","1") = "6"
    & skf18("1","1","4","2","7","5","1") = "6"
    & skf18("1","1","4","2","7","6","1") = "6"
    & skf18("1","1","4","2","7","7","1") = "6"
    & skf18("1","1","4","2","7","8","1") = "7"
    & skf18("1","1","4","2","7","9","1") = "8"
    & skf18("1","1","4","2","7","10","1") = "9"
    & skf18("1","1","4","2","8","1","1") = "7"
    & skf18("1","1","4","2","8","2","1") = "7"
    & skf18("1","1","4","2","8","3","1") = "7"
    & skf18("1","1","4","2","8","4","1") = "7"
    & skf18("1","1","4","2","8","5","1") = "7"
    & skf18("1","1","4","2","8","6","1") = "7"
    & skf18("1","1","4","2","8","7","1") = "7"
    & skf18("1","1","4","2","8","8","1") = "7"
    & skf18("1","1","4","2","8","9","1") = "8"
    & skf18("1","1","4","2","8","10","1") = "9"
    & skf18("1","1","4","2","9","1","1") = "8"
    & skf18("1","1","4","2","9","2","1") = "8"
    & skf18("1","1","4","2","9","3","1") = "8"
    & skf18("1","1","4","2","9","4","1") = "8"
    & skf18("1","1","4","2","9","5","1") = "8"
    & skf18("1","1","4","2","9","6","1") = "8"
    & skf18("1","1","4","2","9","7","1") = "8"
    & skf18("1","1","4","2","9","8","1") = "8"
    & skf18("1","1","4","2","9","9","1") = "8"
    & skf18("1","1","4","2","9","10","1") = "9"
    & skf18("1","1","4","2","10","1","1") = "9"
    & skf18("1","1","4","2","10","2","1") = "9"
    & skf18("1","1","4","2","10","3","1") = "9"
    & skf18("1","1","4","2","10","4","1") = "9"
    & skf18("1","1","4","2","10","5","1") = "9"
    & skf18("1","1","4","2","10","6","1") = "9"
    & skf18("1","1","4","2","10","7","1") = "9"
    & skf18("1","1","4","2","10","8","1") = "9"
    & skf18("1","1","4","2","10","9","1") = "9"
    & skf18("1","1","4","2","10","10","1") = "9"
    & skf18("1","1","4","3","1","1","1") = "3"
    & skf18("1","1","4","3","1","2","1") = "3"
    & skf18("1","1","4","3","1","3","1") = "3"
    & skf18("1","1","4","3","1","4","1") = "3"
    & skf18("1","1","4","3","1","5","1") = "4"
    & skf18("1","1","4","3","1","6","1") = "5"
    & skf18("1","1","4","3","1","7","1") = "6"
    & skf18("1","1","4","3","1","8","1") = "7"
    & skf18("1","1","4","3","1","9","1") = "8"
    & skf18("1","1","4","3","1","10","1") = "9"
    & skf18("1","1","4","3","2","1","1") = "3"
    & skf18("1","1","4","3","2","2","1") = "3"
    & skf18("1","1","4","3","2","3","1") = "3"
    & skf18("1","1","4","3","2","4","1") = "3"
    & skf18("1","1","4","3","2","5","1") = "4"
    & skf18("1","1","4","3","2","6","1") = "5"
    & skf18("1","1","4","3","2","7","1") = "6"
    & skf18("1","1","4","3","2","8","1") = "7"
    & skf18("1","1","4","3","2","9","1") = "8"
    & skf18("1","1","4","3","2","10","1") = "9"
    & skf18("1","1","4","3","3","1","1") = "3"
    & skf18("1","1","4","3","3","2","1") = "3"
    & skf18("1","1","4","3","3","3","1") = "3"
    & skf18("1","1","4","3","3","4","1") = "3"
    & skf18("1","1","4","3","3","5","1") = "4"
    & skf18("1","1","4","3","3","6","1") = "5"
    & skf18("1","1","4","3","3","7","1") = "6"
    & skf18("1","1","4","3","3","8","1") = "7"
    & skf18("1","1","4","3","3","9","1") = "8"
    & skf18("1","1","4","3","3","10","1") = "9"
    & skf18("1","1","4","3","4","1","1") = "3"
    & skf18("1","1","4","3","4","2","1") = "3"
    & skf18("1","1","4","3","4","3","1") = "2"
    & skf18("1","1","4","3","4","4","1") = "3"
    & skf18("1","1","4","3","4","5","1") = "4"
    & skf18("1","1","4","3","4","6","1") = "5"
    & skf18("1","1","4","3","4","7","1") = "6"
    & skf18("1","1","4","3","4","8","1") = "7"
    & skf18("1","1","4","3","4","9","1") = "8"
    & skf18("1","1","4","3","4","10","1") = "9"
    & skf18("1","1","4","3","5","1","1") = "4"
    & skf18("1","1","4","3","5","2","1") = "4"
    & skf18("1","1","4","3","5","3","1") = "4"
    & skf18("1","1","4","3","5","4","1") = "4"
    & skf18("1","1","4","3","5","5","1") = "4"
    & skf18("1","1","4","3","5","6","1") = "5"
    & skf18("1","1","4","3","5","7","1") = "6"
    & skf18("1","1","4","3","5","8","1") = "7"
    & skf18("1","1","4","3","5","9","1") = "8"
    & skf18("1","1","4","3","5","10","1") = "9"
    & skf18("1","1","4","3","6","1","1") = "5"
    & skf18("1","1","4","3","6","2","1") = "5"
    & skf18("1","1","4","3","6","3","1") = "5"
    & skf18("1","1","4","3","6","4","1") = "5"
    & skf18("1","1","4","3","6","5","1") = "5"
    & skf18("1","1","4","3","6","6","1") = "5"
    & skf18("1","1","4","3","6","7","1") = "6"
    & skf18("1","1","4","3","6","8","1") = "7"
    & skf18("1","1","4","3","6","9","1") = "8"
    & skf18("1","1","4","3","6","10","1") = "9"
    & skf18("1","1","4","3","7","1","1") = "6"
    & skf18("1","1","4","3","7","2","1") = "6"
    & skf18("1","1","4","3","7","3","1") = "6"
    & skf18("1","1","4","3","7","4","1") = "6"
    & skf18("1","1","4","3","7","5","1") = "6"
    & skf18("1","1","4","3","7","6","1") = "6"
    & skf18("1","1","4","3","7","7","1") = "6"
    & skf18("1","1","4","3","7","8","1") = "7"
    & skf18("1","1","4","3","7","9","1") = "8"
    & skf18("1","1","4","3","7","10","1") = "9"
    & skf18("1","1","4","3","8","1","1") = "7"
    & skf18("1","1","4","3","8","2","1") = "7"
    & skf18("1","1","4","3","8","3","1") = "7"
    & skf18("1","1","4","3","8","4","1") = "7"
    & skf18("1","1","4","3","8","5","1") = "7"
    & skf18("1","1","4","3","8","6","1") = "7"
    & skf18("1","1","4","3","8","7","1") = "7"
    & skf18("1","1","4","3","8","8","1") = "7"
    & skf18("1","1","4","3","8","9","1") = "8"
    & skf18("1","1","4","3","8","10","1") = "9"
    & skf18("1","1","4","3","9","1","1") = "8"
    & skf18("1","1","4","3","9","2","1") = "8"
    & skf18("1","1","4","3","9","3","1") = "8"
    & skf18("1","1","4","3","9","4","1") = "8"
    & skf18("1","1","4","3","9","5","1") = "8"
    & skf18("1","1","4","3","9","6","1") = "8"
    & skf18("1","1","4","3","9","7","1") = "8"
    & skf18("1","1","4","3","9","8","1") = "8"
    & skf18("1","1","4","3","9","9","1") = "8"
    & skf18("1","1","4","3","9","10","1") = "9"
    & skf18("1","1","4","3","10","1","1") = "9"
    & skf18("1","1","4","3","10","2","1") = "9"
    & skf18("1","1","4","3","10","3","1") = "9"
    & skf18("1","1","4","3","10","4","1") = "9"
    & skf18("1","1","4","3","10","5","1") = "9"
    & skf18("1","1","4","3","10","6","1") = "9"
    & skf18("1","1","4","3","10","7","1") = "9"
    & skf18("1","1","4","3","10","8","1") = "9"
    & skf18("1","1","4","3","10","9","1") = "9"
    & skf18("1","1","4","3","10","10","1") = "9"
    & skf18("1","1","4","4","1","1","1") = "3"
    & skf18("1","1","4","4","1","2","1") = "3"
    & skf18("1","1","4","4","1","3","1") = "3"
    & skf18("1","1","4","4","1","4","1") = "3"
    & skf18("1","1","4","4","1","5","1") = "4"
    & skf18("1","1","4","4","1","6","1") = "5"
    & skf18("1","1","4","4","1","7","1") = "6"
    & skf18("1","1","4","4","1","8","1") = "7"
    & skf18("1","1","4","4","1","9","1") = "8"
    & skf18("1","1","4","4","1","10","1") = "9"
    & skf18("1","1","4","4","2","1","1") = "3"
    & skf18("1","1","4","4","2","2","1") = "3"
    & skf18("1","1","4","4","2","3","1") = "3"
    & skf18("1","1","4","4","2","4","1") = "3"
    & skf18("1","1","4","4","2","5","1") = "4"
    & skf18("1","1","4","4","2","6","1") = "5"
    & skf18("1","1","4","4","2","7","1") = "6"
    & skf18("1","1","4","4","2","8","1") = "7"
    & skf18("1","1","4","4","2","9","1") = "8"
    & skf18("1","1","4","4","2","10","1") = "9"
    & skf18("1","1","4","4","3","1","1") = "3"
    & skf18("1","1","4","4","3","2","1") = "3"
    & skf18("1","1","4","4","3","3","1") = "3"
    & skf18("1","1","4","4","3","4","1") = "3"
    & skf18("1","1","4","4","3","5","1") = "4"
    & skf18("1","1","4","4","3","6","1") = "5"
    & skf18("1","1","4","4","3","7","1") = "6"
    & skf18("1","1","4","4","3","8","1") = "7"
    & skf18("1","1","4","4","3","9","1") = "8"
    & skf18("1","1","4","4","3","10","1") = "9"
    & skf18("1","1","4","4","4","1","1") = "3"
    & skf18("1","1","4","4","4","2","1") = "3"
    & skf18("1","1","4","4","4","3","1") = "3"
    & skf18("1","1","4","4","4","4","1") = "3"
    & skf18("1","1","4","4","4","5","1") = "4"
    & skf18("1","1","4","4","4","6","1") = "5"
    & skf18("1","1","4","4","4","7","1") = "6"
    & skf18("1","1","4","4","4","8","1") = "7"
    & skf18("1","1","4","4","4","9","1") = "8"
    & skf18("1","1","4","4","4","10","1") = "9"
    & skf18("1","1","4","4","5","1","1") = "4"
    & skf18("1","1","4","4","5","2","1") = "4"
    & skf18("1","1","4","4","5","3","1") = "4"
    & skf18("1","1","4","4","5","4","1") = "4"
    & skf18("1","1","4","4","5","5","1") = "4"
    & skf18("1","1","4","4","5","6","1") = "5"
    & skf18("1","1","4","4","5","7","1") = "6"
    & skf18("1","1","4","4","5","8","1") = "7"
    & skf18("1","1","4","4","5","9","1") = "8"
    & skf18("1","1","4","4","5","10","1") = "9"
    & skf18("1","1","4","4","6","1","1") = "5"
    & skf18("1","1","4","4","6","2","1") = "5"
    & skf18("1","1","4","4","6","3","1") = "5"
    & skf18("1","1","4","4","6","4","1") = "5"
    & skf18("1","1","4","4","6","5","1") = "5"
    & skf18("1","1","4","4","6","6","1") = "5"
    & skf18("1","1","4","4","6","7","1") = "6"
    & skf18("1","1","4","4","6","8","1") = "7"
    & skf18("1","1","4","4","6","9","1") = "8"
    & skf18("1","1","4","4","6","10","1") = "9"
    & skf18("1","1","4","4","7","1","1") = "6"
    & skf18("1","1","4","4","7","2","1") = "6"
    & skf18("1","1","4","4","7","3","1") = "6"
    & skf18("1","1","4","4","7","4","1") = "6"
    & skf18("1","1","4","4","7","5","1") = "6"
    & skf18("1","1","4","4","7","6","1") = "6"
    & skf18("1","1","4","4","7","7","1") = "6"
    & skf18("1","1","4","4","7","8","1") = "7"
    & skf18("1","1","4","4","7","9","1") = "8"
    & skf18("1","1","4","4","7","10","1") = "9"
    & skf18("1","1","4","4","8","1","1") = "7"
    & skf18("1","1","4","4","8","2","1") = "7"
    & skf18("1","1","4","4","8","3","1") = "7"
    & skf18("1","1","4","4","8","4","1") = "7"
    & skf18("1","1","4","4","8","5","1") = "7"
    & skf18("1","1","4","4","8","6","1") = "7"
    & skf18("1","1","4","4","8","7","1") = "7"
    & skf18("1","1","4","4","8","8","1") = "7"
    & skf18("1","1","4","4","8","9","1") = "8"
    & skf18("1","1","4","4","8","10","1") = "9"
    & skf18("1","1","4","4","9","1","1") = "8"
    & skf18("1","1","4","4","9","2","1") = "8"
    & skf18("1","1","4","4","9","3","1") = "8"
    & skf18("1","1","4","4","9","4","1") = "8"
    & skf18("1","1","4","4","9","5","1") = "8"
    & skf18("1","1","4","4","9","6","1") = "8"
    & skf18("1","1","4","4","9","7","1") = "8"
    & skf18("1","1","4","4","9","8","1") = "8"
    & skf18("1","1","4","4","9","9","1") = "8"
    & skf18("1","1","4","4","9","10","1") = "9"
    & skf18("1","1","4","4","10","1","1") = "9"
    & skf18("1","1","4","4","10","2","1") = "9"
    & skf18("1","1","4","4","10","3","1") = "9"
    & skf18("1","1","4","4","10","4","1") = "9"
    & skf18("1","1","4","4","10","5","1") = "9"
    & skf18("1","1","4","4","10","6","1") = "9"
    & skf18("1","1","4","4","10","7","1") = "9"
    & skf18("1","1","4","4","10","8","1") = "9"
    & skf18("1","1","4","4","10","9","1") = "9"
    & skf18("1","1","4","4","10","10","1") = "9"
    & skf18("1","1","4","5","1","1","1") = "4"
    & skf18("1","1","4","5","1","2","1") = "4"
    & skf18("1","1","4","5","1","3","1") = "4"
    & skf18("1","1","4","5","1","4","1") = "4"
    & skf18("1","1","4","5","1","5","1") = "4"
    & skf18("1","1","4","5","1","6","1") = "5"
    & skf18("1","1","4","5","1","7","1") = "6"
    & skf18("1","1","4","5","1","8","1") = "7"
    & skf18("1","1","4","5","1","9","1") = "8"
    & skf18("1","1","4","5","1","10","1") = "9"
    & skf18("1","1","4","5","2","1","1") = "4"
    & skf18("1","1","4","5","2","2","1") = "4"
    & skf18("1","1","4","5","2","3","1") = "4"
    & skf18("1","1","4","5","2","4","1") = "4"
    & skf18("1","1","4","5","2","5","1") = "4"
    & skf18("1","1","4","5","2","6","1") = "5"
    & skf18("1","1","4","5","2","7","1") = "6"
    & skf18("1","1","4","5","2","8","1") = "7"
    & skf18("1","1","4","5","2","9","1") = "8"
    & skf18("1","1","4","5","2","10","1") = "9"
    & skf18("1","1","4","5","3","1","1") = "4"
    & skf18("1","1","4","5","3","2","1") = "4"
    & skf18("1","1","4","5","3","3","1") = "4"
    & skf18("1","1","4","5","3","4","1") = "4"
    & skf18("1","1","4","5","3","5","1") = "4"
    & skf18("1","1","4","5","3","6","1") = "5"
    & skf18("1","1","4","5","3","7","1") = "6"
    & skf18("1","1","4","5","3","8","1") = "7"
    & skf18("1","1","4","5","3","9","1") = "8"
    & skf18("1","1","4","5","3","10","1") = "9"
    & skf18("1","1","4","5","4","1","1") = "4"
    & skf18("1","1","4","5","4","2","1") = "4"
    & skf18("1","1","4","5","4","3","1") = "4"
    & skf18("1","1","4","5","4","4","1") = "4"
    & skf18("1","1","4","5","4","5","1") = "4"
    & skf18("1","1","4","5","4","6","1") = "5"
    & skf18("1","1","4","5","4","7","1") = "6"
    & skf18("1","1","4","5","4","8","1") = "7"
    & skf18("1","1","4","5","4","9","1") = "8"
    & skf18("1","1","4","5","4","10","1") = "9"
    & skf18("1","1","4","5","5","1","1") = "4"
    & skf18("1","1","4","5","5","2","1") = "4"
    & skf18("1","1","4","5","5","3","1") = "4"
    & skf18("1","1","4","5","5","4","1") = "4"
    & skf18("1","1","4","5","5","5","1") = "4"
    & skf18("1","1","4","5","5","6","1") = "5"
    & skf18("1","1","4","5","5","7","1") = "6"
    & skf18("1","1","4","5","5","8","1") = "7"
    & skf18("1","1","4","5","5","9","1") = "8"
    & skf18("1","1","4","5","5","10","1") = "9"
    & skf18("1","1","4","5","6","1","1") = "5"
    & skf18("1","1","4","5","6","2","1") = "5"
    & skf18("1","1","4","5","6","3","1") = "5"
    & skf18("1","1","4","5","6","4","1") = "5"
    & skf18("1","1","4","5","6","5","1") = "5"
    & skf18("1","1","4","5","6","6","1") = "5"
    & skf18("1","1","4","5","6","7","1") = "6"
    & skf18("1","1","4","5","6","8","1") = "7"
    & skf18("1","1","4","5","6","9","1") = "8"
    & skf18("1","1","4","5","6","10","1") = "9"
    & skf18("1","1","4","5","7","1","1") = "6"
    & skf18("1","1","4","5","7","2","1") = "6"
    & skf18("1","1","4","5","7","3","1") = "6"
    & skf18("1","1","4","5","7","4","1") = "6"
    & skf18("1","1","4","5","7","5","1") = "6"
    & skf18("1","1","4","5","7","6","1") = "6"
    & skf18("1","1","4","5","7","7","1") = "6"
    & skf18("1","1","4","5","7","8","1") = "7"
    & skf18("1","1","4","5","7","9","1") = "8"
    & skf18("1","1","4","5","7","10","1") = "9"
    & skf18("1","1","4","5","8","1","1") = "7"
    & skf18("1","1","4","5","8","2","1") = "7"
    & skf18("1","1","4","5","8","3","1") = "7"
    & skf18("1","1","4","5","8","4","1") = "7"
    & skf18("1","1","4","5","8","5","1") = "7"
    & skf18("1","1","4","5","8","6","1") = "7"
    & skf18("1","1","4","5","8","7","1") = "7"
    & skf18("1","1","4","5","8","8","1") = "7"
    & skf18("1","1","4","5","8","9","1") = "8"
    & skf18("1","1","4","5","8","10","1") = "9"
    & skf18("1","1","4","5","9","1","1") = "8"
    & skf18("1","1","4","5","9","2","1") = "8"
    & skf18("1","1","4","5","9","3","1") = "8"
    & skf18("1","1","4","5","9","4","1") = "8"
    & skf18("1","1","4","5","9","5","1") = "8"
    & skf18("1","1","4","5","9","6","1") = "8"
    & skf18("1","1","4","5","9","7","1") = "8"
    & skf18("1","1","4","5","9","8","1") = "8"
    & skf18("1","1","4","5","9","9","1") = "8"
    & skf18("1","1","4","5","9","10","1") = "9"
    & skf18("1","1","4","5","10","1","1") = "9"
    & skf18("1","1","4","5","10","2","1") = "9"
    & skf18("1","1","4","5","10","3","1") = "9"
    & skf18("1","1","4","5","10","4","1") = "9"
    & skf18("1","1","4","5","10","5","1") = "9"
    & skf18("1","1","4","5","10","6","1") = "9"
    & skf18("1","1","4","5","10","7","1") = "9"
    & skf18("1","1","4","5","10","8","1") = "9"
    & skf18("1","1","4","5","10","9","1") = "9"
    & skf18("1","1","4","5","10","10","1") = "9"
    & skf18("1","1","4","6","1","1","1") = "5"
    & skf18("1","1","4","6","1","2","1") = "5"
    & skf18("1","1","4","6","1","3","1") = "5"
    & skf18("1","1","4","6","1","4","1") = "5"
    & skf18("1","1","4","6","1","5","1") = "5"
    & skf18("1","1","4","6","1","6","1") = "5"
    & skf18("1","1","4","6","1","7","1") = "6"
    & skf18("1","1","4","6","1","8","1") = "7"
    & skf18("1","1","4","6","1","9","1") = "8"
    & skf18("1","1","4","6","1","10","1") = "9"
    & skf18("1","1","4","6","2","1","1") = "5"
    & skf18("1","1","4","6","2","2","1") = "5"
    & skf18("1","1","4","6","2","3","1") = "5"
    & skf18("1","1","4","6","2","4","1") = "5"
    & skf18("1","1","4","6","2","5","1") = "5"
    & skf18("1","1","4","6","2","6","1") = "5"
    & skf18("1","1","4","6","2","7","1") = "6"
    & skf18("1","1","4","6","2","8","1") = "7"
    & skf18("1","1","4","6","2","9","1") = "8"
    & skf18("1","1","4","6","2","10","1") = "9"
    & skf18("1","1","4","6","3","1","1") = "5"
    & skf18("1","1","4","6","3","2","1") = "5"
    & skf18("1","1","4","6","3","3","1") = "5"
    & skf18("1","1","4","6","3","4","1") = "5"
    & skf18("1","1","4","6","3","5","1") = "5"
    & skf18("1","1","4","6","3","6","1") = "5"
    & skf18("1","1","4","6","3","7","1") = "6"
    & skf18("1","1","4","6","3","8","1") = "7"
    & skf18("1","1","4","6","3","9","1") = "8"
    & skf18("1","1","4","6","3","10","1") = "9"
    & skf18("1","1","4","6","4","1","1") = "5"
    & skf18("1","1","4","6","4","2","1") = "5"
    & skf18("1","1","4","6","4","3","1") = "5"
    & skf18("1","1","4","6","4","4","1") = "5"
    & skf18("1","1","4","6","4","5","1") = "5"
    & skf18("1","1","4","6","4","6","1") = "5"
    & skf18("1","1","4","6","4","7","1") = "6"
    & skf18("1","1","4","6","4","8","1") = "7"
    & skf18("1","1","4","6","4","9","1") = "8"
    & skf18("1","1","4","6","4","10","1") = "9"
    & skf18("1","1","4","6","5","1","1") = "5"
    & skf18("1","1","4","6","5","2","1") = "5"
    & skf18("1","1","4","6","5","3","1") = "5"
    & skf18("1","1","4","6","5","4","1") = "5"
    & skf18("1","1","4","6","5","5","1") = "5"
    & skf18("1","1","4","6","5","6","1") = "5"
    & skf18("1","1","4","6","5","7","1") = "6"
    & skf18("1","1","4","6","5","8","1") = "7"
    & skf18("1","1","4","6","5","9","1") = "8"
    & skf18("1","1","4","6","5","10","1") = "9"
    & skf18("1","1","4","6","6","1","1") = "5"
    & skf18("1","1","4","6","6","2","1") = "5"
    & skf18("1","1","4","6","6","3","1") = "5"
    & skf18("1","1","4","6","6","4","1") = "5"
    & skf18("1","1","4","6","6","5","1") = "5"
    & skf18("1","1","4","6","6","6","1") = "5"
    & skf18("1","1","4","6","6","7","1") = "6"
    & skf18("1","1","4","6","6","8","1") = "7"
    & skf18("1","1","4","6","6","9","1") = "8"
    & skf18("1","1","4","6","6","10","1") = "9"
    & skf18("1","1","4","6","7","1","1") = "6"
    & skf18("1","1","4","6","7","2","1") = "6"
    & skf18("1","1","4","6","7","3","1") = "6"
    & skf18("1","1","4","6","7","4","1") = "6"
    & skf18("1","1","4","6","7","5","1") = "6"
    & skf18("1","1","4","6","7","6","1") = "6"
    & skf18("1","1","4","6","7","7","1") = "6"
    & skf18("1","1","4","6","7","8","1") = "7"
    & skf18("1","1","4","6","7","9","1") = "8"
    & skf18("1","1","4","6","7","10","1") = "9"
    & skf18("1","1","4","6","8","1","1") = "7"
    & skf18("1","1","4","6","8","2","1") = "7"
    & skf18("1","1","4","6","8","3","1") = "7"
    & skf18("1","1","4","6","8","4","1") = "7"
    & skf18("1","1","4","6","8","5","1") = "7"
    & skf18("1","1","4","6","8","6","1") = "7"
    & skf18("1","1","4","6","8","7","1") = "7"
    & skf18("1","1","4","6","8","8","1") = "7"
    & skf18("1","1","4","6","8","9","1") = "8"
    & skf18("1","1","4","6","8","10","1") = "9"
    & skf18("1","1","4","6","9","1","1") = "8"
    & skf18("1","1","4","6","9","2","1") = "8"
    & skf18("1","1","4","6","9","3","1") = "8"
    & skf18("1","1","4","6","9","4","1") = "8"
    & skf18("1","1","4","6","9","5","1") = "8"
    & skf18("1","1","4","6","9","6","1") = "8"
    & skf18("1","1","4","6","9","7","1") = "8"
    & skf18("1","1","4","6","9","8","1") = "8"
    & skf18("1","1","4","6","9","9","1") = "8"
    & skf18("1","1","4","6","9","10","1") = "9"
    & skf18("1","1","4","6","10","1","1") = "9"
    & skf18("1","1","4","6","10","2","1") = "9"
    & skf18("1","1","4","6","10","3","1") = "9"
    & skf18("1","1","4","6","10","4","1") = "9"
    & skf18("1","1","4","6","10","5","1") = "9"
    & skf18("1","1","4","6","10","6","1") = "9"
    & skf18("1","1","4","6","10","7","1") = "9"
    & skf18("1","1","4","6","10","8","1") = "9"
    & skf18("1","1","4","6","10","9","1") = "9"
    & skf18("1","1","4","6","10","10","1") = "9"
    & skf18("1","1","4","7","1","1","1") = "6"
    & skf18("1","1","4","7","1","2","1") = "6"
    & skf18("1","1","4","7","1","3","1") = "6"
    & skf18("1","1","4","7","1","4","1") = "6"
    & skf18("1","1","4","7","1","5","1") = "6"
    & skf18("1","1","4","7","1","6","1") = "6"
    & skf18("1","1","4","7","1","7","1") = "6"
    & skf18("1","1","4","7","1","8","1") = "7"
    & skf18("1","1","4","7","1","9","1") = "8"
    & skf18("1","1","4","7","1","10","1") = "9"
    & skf18("1","1","4","7","2","1","1") = "6"
    & skf18("1","1","4","7","2","2","1") = "6"
    & skf18("1","1","4","7","2","3","1") = "6"
    & skf18("1","1","4","7","2","4","1") = "6"
    & skf18("1","1","4","7","2","5","1") = "6"
    & skf18("1","1","4","7","2","6","1") = "6"
    & skf18("1","1","4","7","2","7","1") = "6"
    & skf18("1","1","4","7","2","8","1") = "7"
    & skf18("1","1","4","7","2","9","1") = "8"
    & skf18("1","1","4","7","2","10","1") = "9"
    & skf18("1","1","4","7","3","1","1") = "6"
    & skf18("1","1","4","7","3","2","1") = "6"
    & skf18("1","1","4","7","3","3","1") = "6"
    & skf18("1","1","4","7","3","4","1") = "6"
    & skf18("1","1","4","7","3","5","1") = "6"
    & skf18("1","1","4","7","3","6","1") = "6"
    & skf18("1","1","4","7","3","7","1") = "6"
    & skf18("1","1","4","7","3","8","1") = "7"
    & skf18("1","1","4","7","3","9","1") = "8"
    & skf18("1","1","4","7","3","10","1") = "9"
    & skf18("1","1","4","7","4","1","1") = "6"
    & skf18("1","1","4","7","4","2","1") = "6"
    & skf18("1","1","4","7","4","3","1") = "6"
    & skf18("1","1","4","7","4","4","1") = "6"
    & skf18("1","1","4","7","4","5","1") = "6"
    & skf18("1","1","4","7","4","6","1") = "6"
    & skf18("1","1","4","7","4","7","1") = "6"
    & skf18("1","1","4","7","4","8","1") = "7"
    & skf18("1","1","4","7","4","9","1") = "8"
    & skf18("1","1","4","7","4","10","1") = "9"
    & skf18("1","1","4","7","5","1","1") = "6"
    & skf18("1","1","4","7","5","2","1") = "6"
    & skf18("1","1","4","7","5","3","1") = "6"
    & skf18("1","1","4","7","5","4","1") = "6"
    & skf18("1","1","4","7","5","5","1") = "6"
    & skf18("1","1","4","7","5","6","1") = "6"
    & skf18("1","1","4","7","5","7","1") = "6"
    & skf18("1","1","4","7","5","8","1") = "7"
    & skf18("1","1","4","7","5","9","1") = "8"
    & skf18("1","1","4","7","5","10","1") = "9"
    & skf18("1","1","4","7","6","1","1") = "6"
    & skf18("1","1","4","7","6","2","1") = "6"
    & skf18("1","1","4","7","6","3","1") = "6"
    & skf18("1","1","4","7","6","4","1") = "6"
    & skf18("1","1","4","7","6","5","1") = "6"
    & skf18("1","1","4","7","6","6","1") = "6"
    & skf18("1","1","4","7","6","7","1") = "6"
    & skf18("1","1","4","7","6","8","1") = "7"
    & skf18("1","1","4","7","6","9","1") = "8"
    & skf18("1","1","4","7","6","10","1") = "9"
    & skf18("1","1","4","7","7","1","1") = "6"
    & skf18("1","1","4","7","7","2","1") = "6"
    & skf18("1","1","4","7","7","3","1") = "6"
    & skf18("1","1","4","7","7","4","1") = "6"
    & skf18("1","1","4","7","7","5","1") = "6"
    & skf18("1","1","4","7","7","6","1") = "6"
    & skf18("1","1","4","7","7","7","1") = "6"
    & skf18("1","1","4","7","7","8","1") = "7"
    & skf18("1","1","4","7","7","9","1") = "8"
    & skf18("1","1","4","7","7","10","1") = "9"
    & skf18("1","1","4","7","8","1","1") = "7"
    & skf18("1","1","4","7","8","2","1") = "7"
    & skf18("1","1","4","7","8","3","1") = "7"
    & skf18("1","1","4","7","8","4","1") = "7"
    & skf18("1","1","4","7","8","5","1") = "7"
    & skf18("1","1","4","7","8","6","1") = "7"
    & skf18("1","1","4","7","8","7","1") = "7"
    & skf18("1","1","4","7","8","8","1") = "7"
    & skf18("1","1","4","7","8","9","1") = "8"
    & skf18("1","1","4","7","8","10","1") = "9"
    & skf18("1","1","4","7","9","1","1") = "8"
    & skf18("1","1","4","7","9","2","1") = "8"
    & skf18("1","1","4","7","9","3","1") = "8"
    & skf18("1","1","4","7","9","4","1") = "8"
    & skf18("1","1","4","7","9","5","1") = "8"
    & skf18("1","1","4","7","9","6","1") = "8"
    & skf18("1","1","4","7","9","7","1") = "8"
    & skf18("1","1","4","7","9","8","1") = "8"
    & skf18("1","1","4","7","9","9","1") = "8"
    & skf18("1","1","4","7","9","10","1") = "9"
    & skf18("1","1","4","7","10","1","1") = "9"
    & skf18("1","1","4","7","10","2","1") = "9"
    & skf18("1","1","4","7","10","3","1") = "9"
    & skf18("1","1","4","7","10","4","1") = "9"
    & skf18("1","1","4","7","10","5","1") = "9"
    & skf18("1","1","4","7","10","6","1") = "9"
    & skf18("1","1","4","7","10","7","1") = "9"
    & skf18("1","1","4","7","10","8","1") = "9"
    & skf18("1","1","4","7","10","9","1") = "9"
    & skf18("1","1","4","7","10","10","1") = "9"
    & skf18("1","1","4","8","1","1","1") = "7"
    & skf18("1","1","4","8","1","2","1") = "7"
    & skf18("1","1","4","8","1","3","1") = "7"
    & skf18("1","1","4","8","1","4","1") = "7"
    & skf18("1","1","4","8","1","5","1") = "7"
    & skf18("1","1","4","8","1","6","1") = "7"
    & skf18("1","1","4","8","1","7","1") = "7"
    & skf18("1","1","4","8","1","8","1") = "7"
    & skf18("1","1","4","8","1","9","1") = "8"
    & skf18("1","1","4","8","1","10","1") = "9"
    & skf18("1","1","4","8","2","1","1") = "7"
    & skf18("1","1","4","8","2","2","1") = "7"
    & skf18("1","1","4","8","2","3","1") = "7"
    & skf18("1","1","4","8","2","4","1") = "7"
    & skf18("1","1","4","8","2","5","1") = "7"
    & skf18("1","1","4","8","2","6","1") = "7"
    & skf18("1","1","4","8","2","7","1") = "7"
    & skf18("1","1","4","8","2","8","1") = "7"
    & skf18("1","1","4","8","2","9","1") = "8"
    & skf18("1","1","4","8","2","10","1") = "9"
    & skf18("1","1","4","8","3","1","1") = "7"
    & skf18("1","1","4","8","3","2","1") = "7"
    & skf18("1","1","4","8","3","3","1") = "7"
    & skf18("1","1","4","8","3","4","1") = "7"
    & skf18("1","1","4","8","3","5","1") = "7"
    & skf18("1","1","4","8","3","6","1") = "7"
    & skf18("1","1","4","8","3","7","1") = "7"
    & skf18("1","1","4","8","3","8","1") = "7"
    & skf18("1","1","4","8","3","9","1") = "8"
    & skf18("1","1","4","8","3","10","1") = "9"
    & skf18("1","1","4","8","4","1","1") = "7"
    & skf18("1","1","4","8","4","2","1") = "7"
    & skf18("1","1","4","8","4","3","1") = "7"
    & skf18("1","1","4","8","4","4","1") = "7"
    & skf18("1","1","4","8","4","5","1") = "7"
    & skf18("1","1","4","8","4","6","1") = "7"
    & skf18("1","1","4","8","4","7","1") = "7"
    & skf18("1","1","4","8","4","8","1") = "7"
    & skf18("1","1","4","8","4","9","1") = "8"
    & skf18("1","1","4","8","4","10","1") = "9"
    & skf18("1","1","4","8","5","1","1") = "7"
    & skf18("1","1","4","8","5","2","1") = "7"
    & skf18("1","1","4","8","5","3","1") = "7"
    & skf18("1","1","4","8","5","4","1") = "7"
    & skf18("1","1","4","8","5","5","1") = "7"
    & skf18("1","1","4","8","5","6","1") = "7"
    & skf18("1","1","4","8","5","7","1") = "7"
    & skf18("1","1","4","8","5","8","1") = "7"
    & skf18("1","1","4","8","5","9","1") = "8"
    & skf18("1","1","4","8","5","10","1") = "9"
    & skf18("1","1","4","8","6","1","1") = "7"
    & skf18("1","1","4","8","6","2","1") = "7"
    & skf18("1","1","4","8","6","3","1") = "7"
    & skf18("1","1","4","8","6","4","1") = "7"
    & skf18("1","1","4","8","6","5","1") = "7"
    & skf18("1","1","4","8","6","6","1") = "7"
    & skf18("1","1","4","8","6","7","1") = "7"
    & skf18("1","1","4","8","6","8","1") = "7"
    & skf18("1","1","4","8","6","9","1") = "8"
    & skf18("1","1","4","8","6","10","1") = "9"
    & skf18("1","1","4","8","7","1","1") = "7"
    & skf18("1","1","4","8","7","2","1") = "7"
    & skf18("1","1","4","8","7","3","1") = "7"
    & skf18("1","1","4","8","7","4","1") = "7"
    & skf18("1","1","4","8","7","5","1") = "7"
    & skf18("1","1","4","8","7","6","1") = "7"
    & skf18("1","1","4","8","7","7","1") = "7"
    & skf18("1","1","4","8","7","8","1") = "7"
    & skf18("1","1","4","8","7","9","1") = "8"
    & skf18("1","1","4","8","7","10","1") = "9"
    & skf18("1","1","4","8","8","1","1") = "7"
    & skf18("1","1","4","8","8","2","1") = "7"
    & skf18("1","1","4","8","8","3","1") = "7"
    & skf18("1","1","4","8","8","4","1") = "7"
    & skf18("1","1","4","8","8","5","1") = "7"
    & skf18("1","1","4","8","8","6","1") = "7"
    & skf18("1","1","4","8","8","7","1") = "7"
    & skf18("1","1","4","8","8","8","1") = "7"
    & skf18("1","1","4","8","8","9","1") = "8"
    & skf18("1","1","4","8","8","10","1") = "9"
    & skf18("1","1","4","8","9","1","1") = "8"
    & skf18("1","1","4","8","9","2","1") = "8"
    & skf18("1","1","4","8","9","3","1") = "8"
    & skf18("1","1","4","8","9","4","1") = "8"
    & skf18("1","1","4","8","9","5","1") = "8"
    & skf18("1","1","4","8","9","6","1") = "8"
    & skf18("1","1","4","8","9","7","1") = "8"
    & skf18("1","1","4","8","9","8","1") = "8"
    & skf18("1","1","4","8","9","9","1") = "8"
    & skf18("1","1","4","8","9","10","1") = "9"
    & skf18("1","1","4","8","10","1","1") = "9"
    & skf18("1","1","4","8","10","2","1") = "9"
    & skf18("1","1","4","8","10","3","1") = "9"
    & skf18("1","1","4","8","10","4","1") = "9"
    & skf18("1","1","4","8","10","5","1") = "9"
    & skf18("1","1","4","8","10","6","1") = "9"
    & skf18("1","1","4","8","10","7","1") = "9"
    & skf18("1","1","4","8","10","8","1") = "9"
    & skf18("1","1","4","8","10","9","1") = "9"
    & skf18("1","1","4","8","10","10","1") = "9"
    & skf18("1","1","4","9","1","1","1") = "8"
    & skf18("1","1","4","9","1","2","1") = "8"
    & skf18("1","1","4","9","1","3","1") = "8"
    & skf18("1","1","4","9","1","4","1") = "8"
    & skf18("1","1","4","9","1","5","1") = "8"
    & skf18("1","1","4","9","1","6","1") = "8"
    & skf18("1","1","4","9","1","7","1") = "8"
    & skf18("1","1","4","9","1","8","1") = "8"
    & skf18("1","1","4","9","1","9","1") = "8"
    & skf18("1","1","4","9","1","10","1") = "9"
    & skf18("1","1","4","9","2","1","1") = "8"
    & skf18("1","1","4","9","2","2","1") = "8"
    & skf18("1","1","4","9","2","3","1") = "8"
    & skf18("1","1","4","9","2","4","1") = "8"
    & skf18("1","1","4","9","2","5","1") = "8"
    & skf18("1","1","4","9","2","6","1") = "8"
    & skf18("1","1","4","9","2","7","1") = "8"
    & skf18("1","1","4","9","2","8","1") = "8"
    & skf18("1","1","4","9","2","9","1") = "8"
    & skf18("1","1","4","9","2","10","1") = "9"
    & skf18("1","1","4","9","3","1","1") = "8"
    & skf18("1","1","4","9","3","2","1") = "8"
    & skf18("1","1","4","9","3","3","1") = "8"
    & skf18("1","1","4","9","3","4","1") = "8"
    & skf18("1","1","4","9","3","5","1") = "8"
    & skf18("1","1","4","9","3","6","1") = "8"
    & skf18("1","1","4","9","3","7","1") = "8"
    & skf18("1","1","4","9","3","8","1") = "8"
    & skf18("1","1","4","9","3","9","1") = "8"
    & skf18("1","1","4","9","3","10","1") = "9"
    & skf18("1","1","4","9","4","1","1") = "8"
    & skf18("1","1","4","9","4","2","1") = "8"
    & skf18("1","1","4","9","4","3","1") = "8"
    & skf18("1","1","4","9","4","4","1") = "8"
    & skf18("1","1","4","9","4","5","1") = "8"
    & skf18("1","1","4","9","4","6","1") = "8"
    & skf18("1","1","4","9","4","7","1") = "8"
    & skf18("1","1","4","9","4","8","1") = "8"
    & skf18("1","1","4","9","4","9","1") = "8"
    & skf18("1","1","4","9","4","10","1") = "9"
    & skf18("1","1","4","9","5","1","1") = "8"
    & skf18("1","1","4","9","5","2","1") = "8"
    & skf18("1","1","4","9","5","3","1") = "8"
    & skf18("1","1","4","9","5","4","1") = "8"
    & skf18("1","1","4","9","5","5","1") = "8"
    & skf18("1","1","4","9","5","6","1") = "8"
    & skf18("1","1","4","9","5","7","1") = "8"
    & skf18("1","1","4","9","5","8","1") = "8"
    & skf18("1","1","4","9","5","9","1") = "8"
    & skf18("1","1","4","9","5","10","1") = "9"
    & skf18("1","1","4","9","6","1","1") = "8"
    & skf18("1","1","4","9","6","2","1") = "8"
    & skf18("1","1","4","9","6","3","1") = "8"
    & skf18("1","1","4","9","6","4","1") = "8"
    & skf18("1","1","4","9","6","5","1") = "8"
    & skf18("1","1","4","9","6","6","1") = "8"
    & skf18("1","1","4","9","6","7","1") = "8"
    & skf18("1","1","4","9","6","8","1") = "8"
    & skf18("1","1","4","9","6","9","1") = "8"
    & skf18("1","1","4","9","6","10","1") = "9"
    & skf18("1","1","4","9","7","1","1") = "8"
    & skf18("1","1","4","9","7","2","1") = "8"
    & skf18("1","1","4","9","7","3","1") = "8"
    & skf18("1","1","4","9","7","4","1") = "8"
    & skf18("1","1","4","9","7","5","1") = "8"
    & skf18("1","1","4","9","7","6","1") = "8"
    & skf18("1","1","4","9","7","7","1") = "8"
    & skf18("1","1","4","9","7","8","1") = "8"
    & skf18("1","1","4","9","7","9","1") = "8"
    & skf18("1","1","4","9","7","10","1") = "9"
    & skf18("1","1","4","9","8","1","1") = "8"
    & skf18("1","1","4","9","8","2","1") = "8"
    & skf18("1","1","4","9","8","3","1") = "8"
    & skf18("1","1","4","9","8","4","1") = "8"
    & skf18("1","1","4","9","8","5","1") = "8"
    & skf18("1","1","4","9","8","6","1") = "8"
    & skf18("1","1","4","9","8","7","1") = "8"
    & skf18("1","1","4","9","8","8","1") = "8"
    & skf18("1","1","4","9","8","9","1") = "8"
    & skf18("1","1","4","9","8","10","1") = "9"
    & skf18("1","1","4","9","9","1","1") = "8"
    & skf18("1","1","4","9","9","2","1") = "8"
    & skf18("1","1","4","9","9","3","1") = "8"
    & skf18("1","1","4","9","9","4","1") = "8"
    & skf18("1","1","4","9","9","5","1") = "8"
    & skf18("1","1","4","9","9","6","1") = "8"
    & skf18("1","1","4","9","9","7","1") = "8"
    & skf18("1","1","4","9","9","8","1") = "8"
    & skf18("1","1","4","9","9","9","1") = "8"
    & skf18("1","1","4","9","9","10","1") = "9"
    & skf18("1","1","4","9","10","1","1") = "9"
    & skf18("1","1","4","9","10","2","1") = "9"
    & skf18("1","1","4","9","10","3","1") = "9"
    & skf18("1","1","4","9","10","4","1") = "9"
    & skf18("1","1","4","9","10","5","1") = "9"
    & skf18("1","1","4","9","10","6","1") = "9"
    & skf18("1","1","4","9","10","7","1") = "9"
    & skf18("1","1","4","9","10","8","1") = "9"
    & skf18("1","1","4","9","10","9","1") = "9"
    & skf18("1","1","4","9","10","10","1") = "9"
    & skf18("1","1","4","10","1","1","1") = "9"
    & skf18("1","1","4","10","1","2","1") = "9"
    & skf18("1","1","4","10","1","3","1") = "9"
    & skf18("1","1","4","10","1","4","1") = "9"
    & skf18("1","1","4","10","1","5","1") = "9"
    & skf18("1","1","4","10","1","6","1") = "9"
    & skf18("1","1","4","10","1","7","1") = "9"
    & skf18("1","1","4","10","1","8","1") = "9"
    & skf18("1","1","4","10","1","9","1") = "9"
    & skf18("1","1","4","10","1","10","1") = "9"
    & skf18("1","1","4","10","2","1","1") = "9"
    & skf18("1","1","4","10","2","2","1") = "9"
    & skf18("1","1","4","10","2","3","1") = "9"
    & skf18("1","1","4","10","2","4","1") = "9"
    & skf18("1","1","4","10","2","5","1") = "9"
    & skf18("1","1","4","10","2","6","1") = "9"
    & skf18("1","1","4","10","2","7","1") = "9"
    & skf18("1","1","4","10","2","8","1") = "9"
    & skf18("1","1","4","10","2","9","1") = "9"
    & skf18("1","1","4","10","2","10","1") = "9"
    & skf18("1","1","4","10","3","1","1") = "9"
    & skf18("1","1","4","10","3","2","1") = "9"
    & skf18("1","1","4","10","3","3","1") = "9"
    & skf18("1","1","4","10","3","4","1") = "9"
    & skf18("1","1","4","10","3","5","1") = "9"
    & skf18("1","1","4","10","3","6","1") = "9"
    & skf18("1","1","4","10","3","7","1") = "9"
    & skf18("1","1","4","10","3","8","1") = "9"
    & skf18("1","1","4","10","3","9","1") = "9"
    & skf18("1","1","4","10","3","10","1") = "9"
    & skf18("1","1","4","10","4","1","1") = "9"
    & skf18("1","1","4","10","4","2","1") = "9"
    & skf18("1","1","4","10","4","3","1") = "9"
    & skf18("1","1","4","10","4","4","1") = "9"
    & skf18("1","1","4","10","4","5","1") = "9"
    & skf18("1","1","4","10","4","6","1") = "9"
    & skf18("1","1","4","10","4","7","1") = "9"
    & skf18("1","1","4","10","4","8","1") = "9"
    & skf18("1","1","4","10","4","9","1") = "9"
    & skf18("1","1","4","10","4","10","1") = "9"
    & skf18("1","1","4","10","5","1","1") = "9"
    & skf18("1","1","4","10","5","2","1") = "9"
    & skf18("1","1","4","10","5","3","1") = "9"
    & skf18("1","1","4","10","5","4","1") = "9"
    & skf18("1","1","4","10","5","5","1") = "9"
    & skf18("1","1","4","10","5","6","1") = "9"
    & skf18("1","1","4","10","5","7","1") = "9"
    & skf18("1","1","4","10","5","8","1") = "9"
    & skf18("1","1","4","10","5","9","1") = "9"
    & skf18("1","1","4","10","5","10","1") = "9"
    & skf18("1","1","4","10","6","1","1") = "9"
    & skf18("1","1","4","10","6","2","1") = "9"
    & skf18("1","1","4","10","6","3","1") = "9"
    & skf18("1","1","4","10","6","4","1") = "9"
    & skf18("1","1","4","10","6","5","1") = "9"
    & skf18("1","1","4","10","6","6","1") = "9"
    & skf18("1","1","4","10","6","7","1") = "9"
    & skf18("1","1","4","10","6","8","1") = "9"
    & skf18("1","1","4","10","6","9","1") = "9"
    & skf18("1","1","4","10","6","10","1") = "9"
    & skf18("1","1","4","10","7","1","1") = "9"
    & skf18("1","1","4","10","7","2","1") = "9"
    & skf18("1","1","4","10","7","3","1") = "9"
    & skf18("1","1","4","10","7","4","1") = "9"
    & skf18("1","1","4","10","7","5","1") = "9"
    & skf18("1","1","4","10","7","6","1") = "9"
    & skf18("1","1","4","10","7","7","1") = "9"
    & skf18("1","1","4","10","7","8","1") = "9"
    & skf18("1","1","4","10","7","9","1") = "9"
    & skf18("1","1","4","10","7","10","1") = "9"
    & skf18("1","1","4","10","8","1","1") = "9"
    & skf18("1","1","4","10","8","2","1") = "9"
    & skf18("1","1","4","10","8","3","1") = "9"
    & skf18("1","1","4","10","8","4","1") = "9"
    & skf18("1","1","4","10","8","5","1") = "9"
    & skf18("1","1","4","10","8","6","1") = "9"
    & skf18("1","1","4","10","8","7","1") = "9"
    & skf18("1","1","4","10","8","8","1") = "9"
    & skf18("1","1","4","10","8","9","1") = "9"
    & skf18("1","1","4","10","8","10","1") = "9"
    & skf18("1","1","4","10","9","1","1") = "9"
    & skf18("1","1","4","10","9","2","1") = "9"
    & skf18("1","1","4","10","9","3","1") = "9"
    & skf18("1","1","4","10","9","4","1") = "9"
    & skf18("1","1","4","10","9","5","1") = "9"
    & skf18("1","1","4","10","9","6","1") = "9"
    & skf18("1","1","4","10","9","7","1") = "9"
    & skf18("1","1","4","10","9","8","1") = "9"
    & skf18("1","1","4","10","9","9","1") = "9"
    & skf18("1","1","4","10","9","10","1") = "9"
    & skf18("1","1","4","10","10","1","1") = "9"
    & skf18("1","1","4","10","10","2","1") = "9"
    & skf18("1","1","4","10","10","3","1") = "9"
    & skf18("1","1","4","10","10","4","1") = "9"
    & skf18("1","1","4","10","10","5","1") = "9"
    & skf18("1","1","4","10","10","6","1") = "9"
    & skf18("1","1","4","10","10","7","1") = "9"
    & skf18("1","1","4","10","10","8","1") = "9"
    & skf18("1","1","4","10","10","9","1") = "9"
    & skf18("1","1","4","10","10","10","1") = "9"
    & skf18("1","1","5","1","1","1","1") = "4"
    & skf18("1","1","5","1","1","2","1") = "4"
    & skf18("1","1","5","1","1","3","1") = "4"
    & skf18("1","1","5","1","1","4","1") = "4"
    & skf18("1","1","5","1","1","5","1") = "4"
    & skf18("1","1","5","1","1","6","1") = "5"
    & skf18("1","1","5","1","1","7","1") = "6"
    & skf18("1","1","5","1","1","8","1") = "7"
    & skf18("1","1","5","1","1","9","1") = "8"
    & skf18("1","1","5","1","1","10","1") = "9"
    & skf18("1","1","5","1","2","1","1") = "4"
    & skf18("1","1","5","1","2","2","1") = "4"
    & skf18("1","1","5","1","2","3","1") = "4"
    & skf18("1","1","5","1","2","4","1") = "4"
    & skf18("1","1","5","1","2","5","1") = "4"
    & skf18("1","1","5","1","2","6","1") = "5"
    & skf18("1","1","5","1","2","7","1") = "6"
    & skf18("1","1","5","1","2","8","1") = "7"
    & skf18("1","1","5","1","2","9","1") = "8"
    & skf18("1","1","5","1","2","10","1") = "9"
    & skf18("1","1","5","1","3","1","1") = "4"
    & skf18("1","1","5","1","3","2","1") = "4"
    & skf18("1","1","5","1","3","3","1") = "4"
    & skf18("1","1","5","1","3","4","1") = "4"
    & skf18("1","1","5","1","3","5","1") = "4"
    & skf18("1","1","5","1","3","6","1") = "5"
    & skf18("1","1","5","1","3","7","1") = "6"
    & skf18("1","1","5","1","3","8","1") = "7"
    & skf18("1","1","5","1","3","9","1") = "8"
    & skf18("1","1","5","1","3","10","1") = "9"
    & skf18("1","1","5","1","4","1","1") = "4"
    & skf18("1","1","5","1","4","2","1") = "4"
    & skf18("1","1","5","1","4","3","1") = "4"
    & skf18("1","1","5","1","4","4","1") = "4"
    & skf18("1","1","5","1","4","5","1") = "4"
    & skf18("1","1","5","1","4","6","1") = "5"
    & skf18("1","1","5","1","4","7","1") = "6"
    & skf18("1","1","5","1","4","8","1") = "7"
    & skf18("1","1","5","1","4","9","1") = "8"
    & skf18("1","1","5","1","4","10","1") = "9"
    & skf18("1","1","5","1","5","1","1") = "4"
    & skf18("1","1","5","1","5","2","1") = "4"
    & skf18("1","1","5","1","5","3","1") = "4"
    & skf18("1","1","5","1","5","4","1") = "4"
    & skf18("1","1","5","1","5","5","1") = "4"
    & skf18("1","1","5","1","5","6","1") = "5"
    & skf18("1","1","5","1","5","7","1") = "6"
    & skf18("1","1","5","1","5","8","1") = "7"
    & skf18("1","1","5","1","5","9","1") = "8"
    & skf18("1","1","5","1","5","10","1") = "9"
    & skf18("1","1","5","1","6","1","1") = "5"
    & skf18("1","1","5","1","6","2","1") = "5"
    & skf18("1","1","5","1","6","3","1") = "5"
    & skf18("1","1","5","1","6","4","1") = "5"
    & skf18("1","1","5","1","6","5","1") = "5"
    & skf18("1","1","5","1","6","6","1") = "5"
    & skf18("1","1","5","1","6","7","1") = "6"
    & skf18("1","1","5","1","6","8","1") = "7"
    & skf18("1","1","5","1","6","9","1") = "8"
    & skf18("1","1","5","1","6","10","1") = "9"
    & skf18("1","1","5","1","7","1","1") = "6"
    & skf18("1","1","5","1","7","2","1") = "6"
    & skf18("1","1","5","1","7","3","1") = "6"
    & skf18("1","1","5","1","7","4","1") = "6"
    & skf18("1","1","5","1","7","5","1") = "6"
    & skf18("1","1","5","1","7","6","1") = "6"
    & skf18("1","1","5","1","7","7","1") = "6"
    & skf18("1","1","5","1","7","8","1") = "7"
    & skf18("1","1","5","1","7","9","1") = "8"
    & skf18("1","1","5","1","7","10","1") = "9"
    & skf18("1","1","5","1","8","1","1") = "7"
    & skf18("1","1","5","1","8","2","1") = "7"
    & skf18("1","1","5","1","8","3","1") = "7"
    & skf18("1","1","5","1","8","4","1") = "7"
    & skf18("1","1","5","1","8","5","1") = "7"
    & skf18("1","1","5","1","8","6","1") = "7"
    & skf18("1","1","5","1","8","7","1") = "7"
    & skf18("1","1","5","1","8","8","1") = "7"
    & skf18("1","1","5","1","8","9","1") = "8"
    & skf18("1","1","5","1","8","10","1") = "9"
    & skf18("1","1","5","1","9","1","1") = "8"
    & skf18("1","1","5","1","9","2","1") = "8"
    & skf18("1","1","5","1","9","3","1") = "8"
    & skf18("1","1","5","1","9","4","1") = "8"
    & skf18("1","1","5","1","9","5","1") = "8"
    & skf18("1","1","5","1","9","6","1") = "8"
    & skf18("1","1","5","1","9","7","1") = "8"
    & skf18("1","1","5","1","9","8","1") = "8"
    & skf18("1","1","5","1","9","9","1") = "8"
    & skf18("1","1","5","1","9","10","1") = "9"
    & skf18("1","1","5","1","10","1","1") = "9"
    & skf18("1","1","5","1","10","2","1") = "9"
    & skf18("1","1","5","1","10","3","1") = "9"
    & skf18("1","1","5","1","10","4","1") = "9"
    & skf18("1","1","5","1","10","5","1") = "9"
    & skf18("1","1","5","1","10","6","1") = "9"
    & skf18("1","1","5","1","10","7","1") = "9"
    & skf18("1","1","5","1","10","8","1") = "9"
    & skf18("1","1","5","1","10","9","1") = "9"
    & skf18("1","1","5","1","10","10","1") = "9"
    & skf18("1","1","5","2","1","1","1") = "4"
    & skf18("1","1","5","2","1","2","1") = "4"
    & skf18("1","1","5","2","1","3","1") = "4"
    & skf18("1","1","5","2","1","4","1") = "4"
    & skf18("1","1","5","2","1","5","1") = "4"
    & skf18("1","1","5","2","1","6","1") = "5"
    & skf18("1","1","5","2","1","7","1") = "6"
    & skf18("1","1","5","2","1","8","1") = "7"
    & skf18("1","1","5","2","1","9","1") = "8"
    & skf18("1","1","5","2","1","10","1") = "9"
    & skf18("1","1","5","2","2","1","1") = "4"
    & skf18("1","1","5","2","2","2","1") = "4"
    & skf18("1","1","5","2","2","3","1") = "4"
    & skf18("1","1","5","2","2","4","1") = "4"
    & skf18("1","1","5","2","2","5","1") = "4"
    & skf18("1","1","5","2","2","6","1") = "5"
    & skf18("1","1","5","2","2","7","1") = "6"
    & skf18("1","1","5","2","2","8","1") = "7"
    & skf18("1","1","5","2","2","9","1") = "8"
    & skf18("1","1","5","2","2","10","1") = "9"
    & skf18("1","1","5","2","3","1","1") = "4"
    & skf18("1","1","5","2","3","2","1") = "4"
    & skf18("1","1","5","2","3","3","1") = "4"
    & skf18("1","1","5","2","3","4","1") = "4"
    & skf18("1","1","5","2","3","5","1") = "4"
    & skf18("1","1","5","2","3","6","1") = "5"
    & skf18("1","1","5","2","3","7","1") = "6"
    & skf18("1","1","5","2","3","8","1") = "7"
    & skf18("1","1","5","2","3","9","1") = "8"
    & skf18("1","1","5","2","3","10","1") = "9"
    & skf18("1","1","5","2","4","1","1") = "4"
    & skf18("1","1","5","2","4","2","1") = "4"
    & skf18("1","1","5","2","4","3","1") = "4"
    & skf18("1","1","5","2","4","4","1") = "4"
    & skf18("1","1","5","2","4","5","1") = "4"
    & skf18("1","1","5","2","4","6","1") = "5"
    & skf18("1","1","5","2","4","7","1") = "6"
    & skf18("1","1","5","2","4","8","1") = "7"
    & skf18("1","1","5","2","4","9","1") = "8"
    & skf18("1","1","5","2","4","10","1") = "9"
    & skf18("1","1","5","2","5","1","1") = "4"
    & skf18("1","1","5","2","5","2","1") = "4"
    & skf18("1","1","5","2","5","3","1") = "4"
    & skf18("1","1","5","2","5","4","1") = "4"
    & skf18("1","1","5","2","5","5","1") = "4"
    & skf18("1","1","5","2","5","6","1") = "5"
    & skf18("1","1","5","2","5","7","1") = "6"
    & skf18("1","1","5","2","5","8","1") = "7"
    & skf18("1","1","5","2","5","9","1") = "8"
    & skf18("1","1","5","2","5","10","1") = "9"
    & skf18("1","1","5","2","6","1","1") = "5"
    & skf18("1","1","5","2","6","2","1") = "5"
    & skf18("1","1","5","2","6","3","1") = "5"
    & skf18("1","1","5","2","6","4","1") = "5"
    & skf18("1","1","5","2","6","5","1") = "5"
    & skf18("1","1","5","2","6","6","1") = "5"
    & skf18("1","1","5","2","6","7","1") = "6"
    & skf18("1","1","5","2","6","8","1") = "7"
    & skf18("1","1","5","2","6","9","1") = "8"
    & skf18("1","1","5","2","6","10","1") = "9"
    & skf18("1","1","5","2","7","1","1") = "6"
    & skf18("1","1","5","2","7","2","1") = "6"
    & skf18("1","1","5","2","7","3","1") = "6"
    & skf18("1","1","5","2","7","4","1") = "6"
    & skf18("1","1","5","2","7","5","1") = "6"
    & skf18("1","1","5","2","7","6","1") = "6"
    & skf18("1","1","5","2","7","7","1") = "6"
    & skf18("1","1","5","2","7","8","1") = "7"
    & skf18("1","1","5","2","7","9","1") = "8"
    & skf18("1","1","5","2","7","10","1") = "9"
    & skf18("1","1","5","2","8","1","1") = "7"
    & skf18("1","1","5","2","8","2","1") = "7"
    & skf18("1","1","5","2","8","3","1") = "7"
    & skf18("1","1","5","2","8","4","1") = "7"
    & skf18("1","1","5","2","8","5","1") = "7"
    & skf18("1","1","5","2","8","6","1") = "7"
    & skf18("1","1","5","2","8","7","1") = "7"
    & skf18("1","1","5","2","8","8","1") = "7"
    & skf18("1","1","5","2","8","9","1") = "8"
    & skf18("1","1","5","2","8","10","1") = "9"
    & skf18("1","1","5","2","9","1","1") = "8"
    & skf18("1","1","5","2","9","2","1") = "8"
    & skf18("1","1","5","2","9","3","1") = "8"
    & skf18("1","1","5","2","9","4","1") = "8"
    & skf18("1","1","5","2","9","5","1") = "8"
    & skf18("1","1","5","2","9","6","1") = "8"
    & skf18("1","1","5","2","9","7","1") = "8"
    & skf18("1","1","5","2","9","8","1") = "8"
    & skf18("1","1","5","2","9","9","1") = "8"
    & skf18("1","1","5","2","9","10","1") = "9"
    & skf18("1","1","5","2","10","1","1") = "9"
    & skf18("1","1","5","2","10","2","1") = "9"
    & skf18("1","1","5","2","10","3","1") = "9"
    & skf18("1","1","5","2","10","4","1") = "9"
    & skf18("1","1","5","2","10","5","1") = "9"
    & skf18("1","1","5","2","10","6","1") = "9"
    & skf18("1","1","5","2","10","7","1") = "9"
    & skf18("1","1","5","2","10","8","1") = "9"
    & skf18("1","1","5","2","10","9","1") = "9"
    & skf18("1","1","5","2","10","10","1") = "9"
    & skf18("1","1","5","3","1","1","1") = "4"
    & skf18("1","1","5","3","1","2","1") = "4"
    & skf18("1","1","5","3","1","3","1") = "4"
    & skf18("1","1","5","3","1","4","1") = "4"
    & skf18("1","1","5","3","1","5","1") = "4"
    & skf18("1","1","5","3","1","6","1") = "5"
    & skf18("1","1","5","3","1","7","1") = "6"
    & skf18("1","1","5","3","1","8","1") = "7"
    & skf18("1","1","5","3","1","9","1") = "8"
    & skf18("1","1","5","3","1","10","1") = "9"
    & skf18("1","1","5","3","2","1","1") = "4"
    & skf18("1","1","5","3","2","2","1") = "4"
    & skf18("1","1","5","3","2","3","1") = "4"
    & skf18("1","1","5","3","2","4","1") = "4"
    & skf18("1","1","5","3","2","5","1") = "4"
    & skf18("1","1","5","3","2","6","1") = "5"
    & skf18("1","1","5","3","2","7","1") = "6"
    & skf18("1","1","5","3","2","8","1") = "7"
    & skf18("1","1","5","3","2","9","1") = "8"
    & skf18("1","1","5","3","2","10","1") = "9"
    & skf18("1","1","5","3","3","1","1") = "4"
    & skf18("1","1","5","3","3","2","1") = "4"
    & skf18("1","1","5","3","3","3","1") = "4"
    & skf18("1","1","5","3","3","4","1") = "4"
    & skf18("1","1","5","3","3","5","1") = "4"
    & skf18("1","1","5","3","3","6","1") = "5"
    & skf18("1","1","5","3","3","7","1") = "6"
    & skf18("1","1","5","3","3","8","1") = "7"
    & skf18("1","1","5","3","3","9","1") = "8"
    & skf18("1","1","5","3","3","10","1") = "9"
    & skf18("1","1","5","3","4","1","1") = "4"
    & skf18("1","1","5","3","4","2","1") = "4"
    & skf18("1","1","5","3","4","3","1") = "4"
    & skf18("1","1","5","3","4","4","1") = "4"
    & skf18("1","1","5","3","4","5","1") = "4"
    & skf18("1","1","5","3","4","6","1") = "5"
    & skf18("1","1","5","3","4","7","1") = "6"
    & skf18("1","1","5","3","4","8","1") = "7"
    & skf18("1","1","5","3","4","9","1") = "8"
    & skf18("1","1","5","3","4","10","1") = "9"
    & skf18("1","1","5","3","5","1","1") = "4"
    & skf18("1","1","5","3","5","2","1") = "4"
    & skf18("1","1","5","3","5","3","1") = "4"
    & skf18("1","1","5","3","5","4","1") = "4"
    & skf18("1","1","5","3","5","5","1") = "4"
    & skf18("1","1","5","3","5","6","1") = "5"
    & skf18("1","1","5","3","5","7","1") = "6"
    & skf18("1","1","5","3","5","8","1") = "7"
    & skf18("1","1","5","3","5","9","1") = "8"
    & skf18("1","1","5","3","5","10","1") = "9"
    & skf18("1","1","5","3","6","1","1") = "5"
    & skf18("1","1","5","3","6","2","1") = "5"
    & skf18("1","1","5","3","6","3","1") = "5"
    & skf18("1","1","5","3","6","4","1") = "5"
    & skf18("1","1","5","3","6","5","1") = "5"
    & skf18("1","1","5","3","6","6","1") = "5"
    & skf18("1","1","5","3","6","7","1") = "6"
    & skf18("1","1","5","3","6","8","1") = "7"
    & skf18("1","1","5","3","6","9","1") = "8"
    & skf18("1","1","5","3","6","10","1") = "9"
    & skf18("1","1","5","3","7","1","1") = "6"
    & skf18("1","1","5","3","7","2","1") = "6"
    & skf18("1","1","5","3","7","3","1") = "6"
    & skf18("1","1","5","3","7","4","1") = "6"
    & skf18("1","1","5","3","7","5","1") = "6"
    & skf18("1","1","5","3","7","6","1") = "6"
    & skf18("1","1","5","3","7","7","1") = "6"
    & skf18("1","1","5","3","7","8","1") = "7"
    & skf18("1","1","5","3","7","9","1") = "8"
    & skf18("1","1","5","3","7","10","1") = "9"
    & skf18("1","1","5","3","8","1","1") = "7"
    & skf18("1","1","5","3","8","2","1") = "7"
    & skf18("1","1","5","3","8","3","1") = "7"
    & skf18("1","1","5","3","8","4","1") = "7"
    & skf18("1","1","5","3","8","5","1") = "7"
    & skf18("1","1","5","3","8","6","1") = "7"
    & skf18("1","1","5","3","8","7","1") = "7"
    & skf18("1","1","5","3","8","8","1") = "7"
    & skf18("1","1","5","3","8","9","1") = "8"
    & skf18("1","1","5","3","8","10","1") = "9"
    & skf18("1","1","5","3","9","1","1") = "8"
    & skf18("1","1","5","3","9","2","1") = "8"
    & skf18("1","1","5","3","9","3","1") = "8"
    & skf18("1","1","5","3","9","4","1") = "8"
    & skf18("1","1","5","3","9","5","1") = "8"
    & skf18("1","1","5","3","9","6","1") = "8"
    & skf18("1","1","5","3","9","7","1") = "8"
    & skf18("1","1","5","3","9","8","1") = "8"
    & skf18("1","1","5","3","9","9","1") = "8"
    & skf18("1","1","5","3","9","10","1") = "9"
    & skf18("1","1","5","3","10","1","1") = "9"
    & skf18("1","1","5","3","10","2","1") = "9"
    & skf18("1","1","5","3","10","3","1") = "9"
    & skf18("1","1","5","3","10","4","1") = "9"
    & skf18("1","1","5","3","10","5","1") = "9"
    & skf18("1","1","5","3","10","6","1") = "9"
    & skf18("1","1","5","3","10","7","1") = "9"
    & skf18("1","1","5","3","10","8","1") = "9"
    & skf18("1","1","5","3","10","9","1") = "9"
    & skf18("1","1","5","3","10","10","1") = "9"
    & skf18("1","1","5","4","1","1","1") = "4"
    & skf18("1","1","5","4","1","2","1") = "4"
    & skf18("1","1","5","4","1","3","1") = "4"
    & skf18("1","1","5","4","1","4","1") = "4"
    & skf18("1","1","5","4","1","5","1") = "4"
    & skf18("1","1","5","4","1","6","1") = "5"
    & skf18("1","1","5","4","1","7","1") = "6"
    & skf18("1","1","5","4","1","8","1") = "7"
    & skf18("1","1","5","4","1","9","1") = "8"
    & skf18("1","1","5","4","1","10","1") = "9"
    & skf18("1","1","5","4","2","1","1") = "4"
    & skf18("1","1","5","4","2","2","1") = "4"
    & skf18("1","1","5","4","2","3","1") = "4"
    & skf18("1","1","5","4","2","4","1") = "4"
    & skf18("1","1","5","4","2","5","1") = "4"
    & skf18("1","1","5","4","2","6","1") = "5"
    & skf18("1","1","5","4","2","7","1") = "6"
    & skf18("1","1","5","4","2","8","1") = "7"
    & skf18("1","1","5","4","2","9","1") = "8"
    & skf18("1","1","5","4","2","10","1") = "9"
    & skf18("1","1","5","4","3","1","1") = "4"
    & skf18("1","1","5","4","3","2","1") = "4"
    & skf18("1","1","5","4","3","3","1") = "4"
    & skf18("1","1","5","4","3","4","1") = "4"
    & skf18("1","1","5","4","3","5","1") = "4"
    & skf18("1","1","5","4","3","6","1") = "5"
    & skf18("1","1","5","4","3","7","1") = "6"
    & skf18("1","1","5","4","3","8","1") = "7"
    & skf18("1","1","5","4","3","9","1") = "8"
    & skf18("1","1","5","4","3","10","1") = "9"
    & skf18("1","1","5","4","4","1","1") = "4"
    & skf18("1","1","5","4","4","2","1") = "4"
    & skf18("1","1","5","4","4","3","1") = "4"
    & skf18("1","1","5","4","4","4","1") = "4"
    & skf18("1","1","5","4","4","5","1") = "4"
    & skf18("1","1","5","4","4","6","1") = "5"
    & skf18("1","1","5","4","4","7","1") = "6"
    & skf18("1","1","5","4","4","8","1") = "7"
    & skf18("1","1","5","4","4","9","1") = "8"
    & skf18("1","1","5","4","4","10","1") = "9"
    & skf18("1","1","5","4","5","1","1") = "4"
    & skf18("1","1","5","4","5","2","1") = "4"
    & skf18("1","1","5","4","5","3","1") = "4"
    & skf18("1","1","5","4","5","4","1") = "4"
    & skf18("1","1","5","4","5","5","1") = "4"
    & skf18("1","1","5","4","5","6","1") = "5"
    & skf18("1","1","5","4","5","7","1") = "6"
    & skf18("1","1","5","4","5","8","1") = "7"
    & skf18("1","1","5","4","5","9","1") = "8"
    & skf18("1","1","5","4","5","10","1") = "9"
    & skf18("1","1","5","4","6","1","1") = "5"
    & skf18("1","1","5","4","6","2","1") = "5"
    & skf18("1","1","5","4","6","3","1") = "5"
    & skf18("1","1","5","4","6","4","1") = "5"
    & skf18("1","1","5","4","6","5","1") = "5"
    & skf18("1","1","5","4","6","6","1") = "5"
    & skf18("1","1","5","4","6","7","1") = "6"
    & skf18("1","1","5","4","6","8","1") = "7"
    & skf18("1","1","5","4","6","9","1") = "8"
    & skf18("1","1","5","4","6","10","1") = "9"
    & skf18("1","1","5","4","7","1","1") = "6"
    & skf18("1","1","5","4","7","2","1") = "6"
    & skf18("1","1","5","4","7","3","1") = "6"
    & skf18("1","1","5","4","7","4","1") = "6"
    & skf18("1","1","5","4","7","5","1") = "6"
    & skf18("1","1","5","4","7","6","1") = "6"
    & skf18("1","1","5","4","7","7","1") = "6"
    & skf18("1","1","5","4","7","8","1") = "7"
    & skf18("1","1","5","4","7","9","1") = "8"
    & skf18("1","1","5","4","7","10","1") = "9"
    & skf18("1","1","5","4","8","1","1") = "7"
    & skf18("1","1","5","4","8","2","1") = "7"
    & skf18("1","1","5","4","8","3","1") = "7"
    & skf18("1","1","5","4","8","4","1") = "7"
    & skf18("1","1","5","4","8","5","1") = "7"
    & skf18("1","1","5","4","8","6","1") = "7"
    & skf18("1","1","5","4","8","7","1") = "7"
    & skf18("1","1","5","4","8","8","1") = "7"
    & skf18("1","1","5","4","8","9","1") = "8"
    & skf18("1","1","5","4","8","10","1") = "9"
    & skf18("1","1","5","4","9","1","1") = "8"
    & skf18("1","1","5","4","9","2","1") = "8"
    & skf18("1","1","5","4","9","3","1") = "8"
    & skf18("1","1","5","4","9","4","1") = "8"
    & skf18("1","1","5","4","9","5","1") = "8"
    & skf18("1","1","5","4","9","6","1") = "8"
    & skf18("1","1","5","4","9","7","1") = "8"
    & skf18("1","1","5","4","9","8","1") = "8"
    & skf18("1","1","5","4","9","9","1") = "8"
    & skf18("1","1","5","4","9","10","1") = "9"
    & skf18("1","1","5","4","10","1","1") = "9"
    & skf18("1","1","5","4","10","2","1") = "9"
    & skf18("1","1","5","4","10","3","1") = "9"
    & skf18("1","1","5","4","10","4","1") = "9"
    & skf18("1","1","5","4","10","5","1") = "9"
    & skf18("1","1","5","4","10","6","1") = "9"
    & skf18("1","1","5","4","10","7","1") = "9"
    & skf18("1","1","5","4","10","8","1") = "9"
    & skf18("1","1","5","4","10","9","1") = "9"
    & skf18("1","1","5","4","10","10","1") = "9"
    & skf18("1","1","5","5","1","1","1") = "4"
    & skf18("1","1","5","5","1","2","1") = "4"
    & skf18("1","1","5","5","1","3","1") = "4"
    & skf18("1","1","5","5","1","4","1") = "4"
    & skf18("1","1","5","5","1","5","1") = "4"
    & skf18("1","1","5","5","1","6","1") = "5"
    & skf18("1","1","5","5","1","7","1") = "6"
    & skf18("1","1","5","5","1","8","1") = "7"
    & skf18("1","1","5","5","1","9","1") = "8"
    & skf18("1","1","5","5","1","10","1") = "9"
    & skf18("1","1","5","5","2","1","1") = "4"
    & skf18("1","1","5","5","2","2","1") = "4"
    & skf18("1","1","5","5","2","3","1") = "4"
    & skf18("1","1","5","5","2","4","1") = "4"
    & skf18("1","1","5","5","2","5","1") = "4"
    & skf18("1","1","5","5","2","6","1") = "5"
    & skf18("1","1","5","5","2","7","1") = "6"
    & skf18("1","1","5","5","2","8","1") = "7"
    & skf18("1","1","5","5","2","9","1") = "8"
    & skf18("1","1","5","5","2","10","1") = "9"
    & skf18("1","1","5","5","3","1","1") = "4"
    & skf18("1","1","5","5","3","2","1") = "4"
    & skf18("1","1","5","5","3","3","1") = "4"
    & skf18("1","1","5","5","3","4","1") = "4"
    & skf18("1","1","5","5","3","5","1") = "4"
    & skf18("1","1","5","5","3","6","1") = "5"
    & skf18("1","1","5","5","3","7","1") = "6"
    & skf18("1","1","5","5","3","8","1") = "7"
    & skf18("1","1","5","5","3","9","1") = "8"
    & skf18("1","1","5","5","3","10","1") = "9"
    & skf18("1","1","5","5","4","1","1") = "4"
    & skf18("1","1","5","5","4","2","1") = "4"
    & skf18("1","1","5","5","4","3","1") = "4"
    & skf18("1","1","5","5","4","4","1") = "4"
    & skf18("1","1","5","5","4","5","1") = "4"
    & skf18("1","1","5","5","4","6","1") = "5"
    & skf18("1","1","5","5","4","7","1") = "6"
    & skf18("1","1","5","5","4","8","1") = "7"
    & skf18("1","1","5","5","4","9","1") = "8"
    & skf18("1","1","5","5","4","10","1") = "9"
    & skf18("1","1","5","5","5","1","1") = "4"
    & skf18("1","1","5","5","5","2","1") = "4"
    & skf18("1","1","5","5","5","3","1") = "4"
    & skf18("1","1","5","5","5","4","1") = "4"
    & skf18("1","1","5","5","5","5","1") = "4"
    & skf18("1","1","5","5","5","6","1") = "5"
    & skf18("1","1","5","5","5","7","1") = "6"
    & skf18("1","1","5","5","5","8","1") = "7"
    & skf18("1","1","5","5","5","9","1") = "8"
    & skf18("1","1","5","5","5","10","1") = "9"
    & skf18("1","1","5","5","6","1","1") = "5"
    & skf18("1","1","5","5","6","2","1") = "5"
    & skf18("1","1","5","5","6","3","1") = "5"
    & skf18("1","1","5","5","6","4","1") = "5"
    & skf18("1","1","5","5","6","5","1") = "5"
    & skf18("1","1","5","5","6","6","1") = "5"
    & skf18("1","1","5","5","6","7","1") = "6"
    & skf18("1","1","5","5","6","8","1") = "7"
    & skf18("1","1","5","5","6","9","1") = "8"
    & skf18("1","1","5","5","6","10","1") = "9"
    & skf18("1","1","5","5","7","1","1") = "6"
    & skf18("1","1","5","5","7","2","1") = "6"
    & skf18("1","1","5","5","7","3","1") = "6"
    & skf18("1","1","5","5","7","4","1") = "6"
    & skf18("1","1","5","5","7","5","1") = "6"
    & skf18("1","1","5","5","7","6","1") = "6"
    & skf18("1","1","5","5","7","7","1") = "6"
    & skf18("1","1","5","5","7","8","1") = "7"
    & skf18("1","1","5","5","7","9","1") = "8"
    & skf18("1","1","5","5","7","10","1") = "9"
    & skf18("1","1","5","5","8","1","1") = "7"
    & skf18("1","1","5","5","8","2","1") = "7"
    & skf18("1","1","5","5","8","3","1") = "7"
    & skf18("1","1","5","5","8","4","1") = "7"
    & skf18("1","1","5","5","8","5","1") = "7"
    & skf18("1","1","5","5","8","6","1") = "7"
    & skf18("1","1","5","5","8","7","1") = "7"
    & skf18("1","1","5","5","8","8","1") = "7"
    & skf18("1","1","5","5","8","9","1") = "8"
    & skf18("1","1","5","5","8","10","1") = "9"
    & skf18("1","1","5","5","9","1","1") = "8"
    & skf18("1","1","5","5","9","2","1") = "8"
    & skf18("1","1","5","5","9","3","1") = "8"
    & skf18("1","1","5","5","9","4","1") = "8"
    & skf18("1","1","5","5","9","5","1") = "8"
    & skf18("1","1","5","5","9","6","1") = "8"
    & skf18("1","1","5","5","9","7","1") = "8"
    & skf18("1","1","5","5","9","8","1") = "8"
    & skf18("1","1","5","5","9","9","1") = "8"
    & skf18("1","1","5","5","9","10","1") = "9"
    & skf18("1","1","5","5","10","1","1") = "9"
    & skf18("1","1","5","5","10","2","1") = "9"
    & skf18("1","1","5","5","10","3","1") = "9"
    & skf18("1","1","5","5","10","4","1") = "9"
    & skf18("1","1","5","5","10","5","1") = "9"
    & skf18("1","1","5","5","10","6","1") = "9"
    & skf18("1","1","5","5","10","7","1") = "9"
    & skf18("1","1","5","5","10","8","1") = "9"
    & skf18("1","1","5","5","10","9","1") = "9"
    & skf18("1","1","5","5","10","10","1") = "9"
    & skf18("1","1","5","6","1","1","1") = "5"
    & skf18("1","1","5","6","1","2","1") = "5"
    & skf18("1","1","5","6","1","3","1") = "5"
    & skf18("1","1","5","6","1","4","1") = "5"
    & skf18("1","1","5","6","1","5","1") = "5"
    & skf18("1","1","5","6","1","6","1") = "5"
    & skf18("1","1","5","6","1","7","1") = "6"
    & skf18("1","1","5","6","1","8","1") = "7"
    & skf18("1","1","5","6","1","9","1") = "8"
    & skf18("1","1","5","6","1","10","1") = "9"
    & skf18("1","1","5","6","2","1","1") = "5"
    & skf18("1","1","5","6","2","2","1") = "5"
    & skf18("1","1","5","6","2","3","1") = "5"
    & skf18("1","1","5","6","2","4","1") = "5"
    & skf18("1","1","5","6","2","5","1") = "5"
    & skf18("1","1","5","6","2","6","1") = "5"
    & skf18("1","1","5","6","2","7","1") = "6"
    & skf18("1","1","5","6","2","8","1") = "7"
    & skf18("1","1","5","6","2","9","1") = "8"
    & skf18("1","1","5","6","2","10","1") = "9"
    & skf18("1","1","5","6","3","1","1") = "5"
    & skf18("1","1","5","6","3","2","1") = "5"
    & skf18("1","1","5","6","3","3","1") = "5"
    & skf18("1","1","5","6","3","4","1") = "5"
    & skf18("1","1","5","6","3","5","1") = "5"
    & skf18("1","1","5","6","3","6","1") = "5"
    & skf18("1","1","5","6","3","7","1") = "6"
    & skf18("1","1","5","6","3","8","1") = "7"
    & skf18("1","1","5","6","3","9","1") = "8"
    & skf18("1","1","5","6","3","10","1") = "9"
    & skf18("1","1","5","6","4","1","1") = "5"
    & skf18("1","1","5","6","4","2","1") = "5"
    & skf18("1","1","5","6","4","3","1") = "5"
    & skf18("1","1","5","6","4","4","1") = "5"
    & skf18("1","1","5","6","4","5","1") = "5"
    & skf18("1","1","5","6","4","6","1") = "5"
    & skf18("1","1","5","6","4","7","1") = "6"
    & skf18("1","1","5","6","4","8","1") = "7"
    & skf18("1","1","5","6","4","9","1") = "8"
    & skf18("1","1","5","6","4","10","1") = "9"
    & skf18("1","1","5","6","5","1","1") = "5"
    & skf18("1","1","5","6","5","2","1") = "5"
    & skf18("1","1","5","6","5","3","1") = "5"
    & skf18("1","1","5","6","5","4","1") = "5"
    & skf18("1","1","5","6","5","5","1") = "5"
    & skf18("1","1","5","6","5","6","1") = "5"
    & skf18("1","1","5","6","5","7","1") = "6"
    & skf18("1","1","5","6","5","8","1") = "7"
    & skf18("1","1","5","6","5","9","1") = "8"
    & skf18("1","1","5","6","5","10","1") = "9"
    & skf18("1","1","5","6","6","1","1") = "5"
    & skf18("1","1","5","6","6","2","1") = "5"
    & skf18("1","1","5","6","6","3","1") = "5"
    & skf18("1","1","5","6","6","4","1") = "5"
    & skf18("1","1","5","6","6","5","1") = "5"
    & skf18("1","1","5","6","6","6","1") = "5"
    & skf18("1","1","5","6","6","7","1") = "6"
    & skf18("1","1","5","6","6","8","1") = "7"
    & skf18("1","1","5","6","6","9","1") = "8"
    & skf18("1","1","5","6","6","10","1") = "9"
    & skf18("1","1","5","6","7","1","1") = "6"
    & skf18("1","1","5","6","7","2","1") = "6"
    & skf18("1","1","5","6","7","3","1") = "6"
    & skf18("1","1","5","6","7","4","1") = "6"
    & skf18("1","1","5","6","7","5","1") = "6"
    & skf18("1","1","5","6","7","6","1") = "6"
    & skf18("1","1","5","6","7","7","1") = "6"
    & skf18("1","1","5","6","7","8","1") = "7"
    & skf18("1","1","5","6","7","9","1") = "8"
    & skf18("1","1","5","6","7","10","1") = "9"
    & skf18("1","1","5","6","8","1","1") = "7"
    & skf18("1","1","5","6","8","2","1") = "7"
    & skf18("1","1","5","6","8","3","1") = "7"
    & skf18("1","1","5","6","8","4","1") = "7"
    & skf18("1","1","5","6","8","5","1") = "7"
    & skf18("1","1","5","6","8","6","1") = "7"
    & skf18("1","1","5","6","8","7","1") = "7"
    & skf18("1","1","5","6","8","8","1") = "7"
    & skf18("1","1","5","6","8","9","1") = "8"
    & skf18("1","1","5","6","8","10","1") = "9"
    & skf18("1","1","5","6","9","1","1") = "8"
    & skf18("1","1","5","6","9","2","1") = "8"
    & skf18("1","1","5","6","9","3","1") = "8"
    & skf18("1","1","5","6","9","4","1") = "8"
    & skf18("1","1","5","6","9","5","1") = "8"
    & skf18("1","1","5","6","9","6","1") = "8"
    & skf18("1","1","5","6","9","7","1") = "8"
    & skf18("1","1","5","6","9","8","1") = "8"
    & skf18("1","1","5","6","9","9","1") = "8"
    & skf18("1","1","5","6","9","10","1") = "9"
    & skf18("1","1","5","6","10","1","1") = "9"
    & skf18("1","1","5","6","10","2","1") = "9"
    & skf18("1","1","5","6","10","3","1") = "9"
    & skf18("1","1","5","6","10","4","1") = "9"
    & skf18("1","1","5","6","10","5","1") = "9"
    & skf18("1","1","5","6","10","6","1") = "9"
    & skf18("1","1","5","6","10","7","1") = "9"
    & skf18("1","1","5","6","10","8","1") = "9"
    & skf18("1","1","5","6","10","9","1") = "9"
    & skf18("1","1","5","6","10","10","1") = "9"
    & skf18("1","1","5","7","1","1","1") = "6"
    & skf18("1","1","5","7","1","2","1") = "6"
    & skf18("1","1","5","7","1","3","1") = "6"
    & skf18("1","1","5","7","1","4","1") = "6"
    & skf18("1","1","5","7","1","5","1") = "6"
    & skf18("1","1","5","7","1","6","1") = "6"
    & skf18("1","1","5","7","1","7","1") = "6"
    & skf18("1","1","5","7","1","8","1") = "7"
    & skf18("1","1","5","7","1","9","1") = "8"
    & skf18("1","1","5","7","1","10","1") = "9"
    & skf18("1","1","5","7","2","1","1") = "6"
    & skf18("1","1","5","7","2","2","1") = "6"
    & skf18("1","1","5","7","2","3","1") = "6"
    & skf18("1","1","5","7","2","4","1") = "6"
    & skf18("1","1","5","7","2","5","1") = "6"
    & skf18("1","1","5","7","2","6","1") = "6"
    & skf18("1","1","5","7","2","7","1") = "6"
    & skf18("1","1","5","7","2","8","1") = "7"
    & skf18("1","1","5","7","2","9","1") = "8"
    & skf18("1","1","5","7","2","10","1") = "9"
    & skf18("1","1","5","7","3","1","1") = "6"
    & skf18("1","1","5","7","3","2","1") = "6"
    & skf18("1","1","5","7","3","3","1") = "6"
    & skf18("1","1","5","7","3","4","1") = "6"
    & skf18("1","1","5","7","3","5","1") = "6"
    & skf18("1","1","5","7","3","6","1") = "6"
    & skf18("1","1","5","7","3","7","1") = "6"
    & skf18("1","1","5","7","3","8","1") = "7"
    & skf18("1","1","5","7","3","9","1") = "8"
    & skf18("1","1","5","7","3","10","1") = "9"
    & skf18("1","1","5","7","4","1","1") = "6"
    & skf18("1","1","5","7","4","2","1") = "6"
    & skf18("1","1","5","7","4","3","1") = "6"
    & skf18("1","1","5","7","4","4","1") = "6"
    & skf18("1","1","5","7","4","5","1") = "6"
    & skf18("1","1","5","7","4","6","1") = "6"
    & skf18("1","1","5","7","4","7","1") = "6"
    & skf18("1","1","5","7","4","8","1") = "7"
    & skf18("1","1","5","7","4","9","1") = "8"
    & skf18("1","1","5","7","4","10","1") = "9"
    & skf18("1","1","5","7","5","1","1") = "6"
    & skf18("1","1","5","7","5","2","1") = "6"
    & skf18("1","1","5","7","5","3","1") = "6"
    & skf18("1","1","5","7","5","4","1") = "6"
    & skf18("1","1","5","7","5","5","1") = "6"
    & skf18("1","1","5","7","5","6","1") = "6"
    & skf18("1","1","5","7","5","7","1") = "6"
    & skf18("1","1","5","7","5","8","1") = "7"
    & skf18("1","1","5","7","5","9","1") = "8"
    & skf18("1","1","5","7","5","10","1") = "9"
    & skf18("1","1","5","7","6","1","1") = "6"
    & skf18("1","1","5","7","6","2","1") = "6"
    & skf18("1","1","5","7","6","3","1") = "6"
    & skf18("1","1","5","7","6","4","1") = "6"
    & skf18("1","1","5","7","6","5","1") = "6"
    & skf18("1","1","5","7","6","6","1") = "6"
    & skf18("1","1","5","7","6","7","1") = "6"
    & skf18("1","1","5","7","6","8","1") = "7"
    & skf18("1","1","5","7","6","9","1") = "8"
    & skf18("1","1","5","7","6","10","1") = "9"
    & skf18("1","1","5","7","7","1","1") = "6"
    & skf18("1","1","5","7","7","2","1") = "6"
    & skf18("1","1","5","7","7","3","1") = "6"
    & skf18("1","1","5","7","7","4","1") = "6"
    & skf18("1","1","5","7","7","5","1") = "6"
    & skf18("1","1","5","7","7","6","1") = "6"
    & skf18("1","1","5","7","7","7","1") = "6"
    & skf18("1","1","5","7","7","8","1") = "7"
    & skf18("1","1","5","7","7","9","1") = "8"
    & skf18("1","1","5","7","7","10","1") = "9"
    & skf18("1","1","5","7","8","1","1") = "7"
    & skf18("1","1","5","7","8","2","1") = "7"
    & skf18("1","1","5","7","8","3","1") = "7"
    & skf18("1","1","5","7","8","4","1") = "7"
    & skf18("1","1","5","7","8","5","1") = "7"
    & skf18("1","1","5","7","8","6","1") = "7"
    & skf18("1","1","5","7","8","7","1") = "7"
    & skf18("1","1","5","7","8","8","1") = "7"
    & skf18("1","1","5","7","8","9","1") = "8"
    & skf18("1","1","5","7","8","10","1") = "9"
    & skf18("1","1","5","7","9","1","1") = "8"
    & skf18("1","1","5","7","9","2","1") = "8"
    & skf18("1","1","5","7","9","3","1") = "8"
    & skf18("1","1","5","7","9","4","1") = "8"
    & skf18("1","1","5","7","9","5","1") = "8"
    & skf18("1","1","5","7","9","6","1") = "8"
    & skf18("1","1","5","7","9","7","1") = "8"
    & skf18("1","1","5","7","9","8","1") = "8"
    & skf18("1","1","5","7","9","9","1") = "8"
    & skf18("1","1","5","7","9","10","1") = "9"
    & skf18("1","1","5","7","10","1","1") = "9"
    & skf18("1","1","5","7","10","2","1") = "9"
    & skf18("1","1","5","7","10","3","1") = "9"
    & skf18("1","1","5","7","10","4","1") = "9"
    & skf18("1","1","5","7","10","5","1") = "9"
    & skf18("1","1","5","7","10","6","1") = "9"
    & skf18("1","1","5","7","10","7","1") = "9"
    & skf18("1","1","5","7","10","8","1") = "9"
    & skf18("1","1","5","7","10","9","1") = "9"
    & skf18("1","1","5","7","10","10","1") = "9"
    & skf18("1","1","5","8","1","1","1") = "7"
    & skf18("1","1","5","8","1","2","1") = "7"
    & skf18("1","1","5","8","1","3","1") = "7"
    & skf18("1","1","5","8","1","4","1") = "7"
    & skf18("1","1","5","8","1","5","1") = "7"
    & skf18("1","1","5","8","1","6","1") = "7"
    & skf18("1","1","5","8","1","7","1") = "7"
    & skf18("1","1","5","8","1","8","1") = "7"
    & skf18("1","1","5","8","1","9","1") = "8"
    & skf18("1","1","5","8","1","10","1") = "9"
    & skf18("1","1","5","8","2","1","1") = "7"
    & skf18("1","1","5","8","2","2","1") = "7"
    & skf18("1","1","5","8","2","3","1") = "7"
    & skf18("1","1","5","8","2","4","1") = "7"
    & skf18("1","1","5","8","2","5","1") = "7"
    & skf18("1","1","5","8","2","6","1") = "7"
    & skf18("1","1","5","8","2","7","1") = "7"
    & skf18("1","1","5","8","2","8","1") = "7"
    & skf18("1","1","5","8","2","9","1") = "8"
    & skf18("1","1","5","8","2","10","1") = "9"
    & skf18("1","1","5","8","3","1","1") = "7"
    & skf18("1","1","5","8","3","2","1") = "7"
    & skf18("1","1","5","8","3","3","1") = "7"
    & skf18("1","1","5","8","3","4","1") = "7"
    & skf18("1","1","5","8","3","5","1") = "7"
    & skf18("1","1","5","8","3","6","1") = "7"
    & skf18("1","1","5","8","3","7","1") = "7"
    & skf18("1","1","5","8","3","8","1") = "7"
    & skf18("1","1","5","8","3","9","1") = "8"
    & skf18("1","1","5","8","3","10","1") = "9"
    & skf18("1","1","5","8","4","1","1") = "7"
    & skf18("1","1","5","8","4","2","1") = "7"
    & skf18("1","1","5","8","4","3","1") = "7"
    & skf18("1","1","5","8","4","4","1") = "7"
    & skf18("1","1","5","8","4","5","1") = "7"
    & skf18("1","1","5","8","4","6","1") = "7"
    & skf18("1","1","5","8","4","7","1") = "7"
    & skf18("1","1","5","8","4","8","1") = "7"
    & skf18("1","1","5","8","4","9","1") = "8"
    & skf18("1","1","5","8","4","10","1") = "9"
    & skf18("1","1","5","8","5","1","1") = "7"
    & skf18("1","1","5","8","5","2","1") = "7"
    & skf18("1","1","5","8","5","3","1") = "7"
    & skf18("1","1","5","8","5","4","1") = "7"
    & skf18("1","1","5","8","5","5","1") = "7"
    & skf18("1","1","5","8","5","6","1") = "7"
    & skf18("1","1","5","8","5","7","1") = "7"
    & skf18("1","1","5","8","5","8","1") = "7"
    & skf18("1","1","5","8","5","9","1") = "8"
    & skf18("1","1","5","8","5","10","1") = "9"
    & skf18("1","1","5","8","6","1","1") = "7"
    & skf18("1","1","5","8","6","2","1") = "7"
    & skf18("1","1","5","8","6","3","1") = "7"
    & skf18("1","1","5","8","6","4","1") = "7"
    & skf18("1","1","5","8","6","5","1") = "7"
    & skf18("1","1","5","8","6","6","1") = "7"
    & skf18("1","1","5","8","6","7","1") = "7"
    & skf18("1","1","5","8","6","8","1") = "7"
    & skf18("1","1","5","8","6","9","1") = "8"
    & skf18("1","1","5","8","6","10","1") = "9"
    & skf18("1","1","5","8","7","1","1") = "7"
    & skf18("1","1","5","8","7","2","1") = "7"
    & skf18("1","1","5","8","7","3","1") = "7"
    & skf18("1","1","5","8","7","4","1") = "7"
    & skf18("1","1","5","8","7","5","1") = "7"
    & skf18("1","1","5","8","7","6","1") = "7"
    & skf18("1","1","5","8","7","7","1") = "7"
    & skf18("1","1","5","8","7","8","1") = "7"
    & skf18("1","1","5","8","7","9","1") = "8"
    & skf18("1","1","5","8","7","10","1") = "9"
    & skf18("1","1","5","8","8","1","1") = "7"
    & skf18("1","1","5","8","8","2","1") = "7"
    & skf18("1","1","5","8","8","3","1") = "7"
    & skf18("1","1","5","8","8","4","1") = "7"
    & skf18("1","1","5","8","8","5","1") = "7"
    & skf18("1","1","5","8","8","6","1") = "7"
    & skf18("1","1","5","8","8","7","1") = "7"
    & skf18("1","1","5","8","8","8","1") = "7"
    & skf18("1","1","5","8","8","9","1") = "8"
    & skf18("1","1","5","8","8","10","1") = "9"
    & skf18("1","1","5","8","9","1","1") = "8"
    & skf18("1","1","5","8","9","2","1") = "8"
    & skf18("1","1","5","8","9","3","1") = "8"
    & skf18("1","1","5","8","9","4","1") = "8"
    & skf18("1","1","5","8","9","5","1") = "8"
    & skf18("1","1","5","8","9","6","1") = "8"
    & skf18("1","1","5","8","9","7","1") = "8"
    & skf18("1","1","5","8","9","8","1") = "8"
    & skf18("1","1","5","8","9","9","1") = "8"
    & skf18("1","1","5","8","9","10","1") = "9"
    & skf18("1","1","5","8","10","1","1") = "9"
    & skf18("1","1","5","8","10","2","1") = "9"
    & skf18("1","1","5","8","10","3","1") = "9"
    & skf18("1","1","5","8","10","4","1") = "9"
    & skf18("1","1","5","8","10","5","1") = "9"
    & skf18("1","1","5","8","10","6","1") = "9"
    & skf18("1","1","5","8","10","7","1") = "9"
    & skf18("1","1","5","8","10","8","1") = "9"
    & skf18("1","1","5","8","10","9","1") = "9"
    & skf18("1","1","5","8","10","10","1") = "9"
    & skf18("1","1","5","9","1","1","1") = "8"
    & skf18("1","1","5","9","1","2","1") = "8"
    & skf18("1","1","5","9","1","3","1") = "8"
    & skf18("1","1","5","9","1","4","1") = "8"
    & skf18("1","1","5","9","1","5","1") = "8"
    & skf18("1","1","5","9","1","6","1") = "8"
    & skf18("1","1","5","9","1","7","1") = "8"
    & skf18("1","1","5","9","1","8","1") = "8"
    & skf18("1","1","5","9","1","9","1") = "8"
    & skf18("1","1","5","9","1","10","1") = "9"
    & skf18("1","1","5","9","2","1","1") = "8"
    & skf18("1","1","5","9","2","2","1") = "8"
    & skf18("1","1","5","9","2","3","1") = "8"
    & skf18("1","1","5","9","2","4","1") = "8"
    & skf18("1","1","5","9","2","5","1") = "8"
    & skf18("1","1","5","9","2","6","1") = "8"
    & skf18("1","1","5","9","2","7","1") = "8"
    & skf18("1","1","5","9","2","8","1") = "8"
    & skf18("1","1","5","9","2","9","1") = "8"
    & skf18("1","1","5","9","2","10","1") = "9"
    & skf18("1","1","5","9","3","1","1") = "8"
    & skf18("1","1","5","9","3","2","1") = "8"
    & skf18("1","1","5","9","3","3","1") = "8"
    & skf18("1","1","5","9","3","4","1") = "8"
    & skf18("1","1","5","9","3","5","1") = "8"
    & skf18("1","1","5","9","3","6","1") = "8"
    & skf18("1","1","5","9","3","7","1") = "8"
    & skf18("1","1","5","9","3","8","1") = "8"
    & skf18("1","1","5","9","3","9","1") = "8"
    & skf18("1","1","5","9","3","10","1") = "9"
    & skf18("1","1","5","9","4","1","1") = "8"
    & skf18("1","1","5","9","4","2","1") = "8"
    & skf18("1","1","5","9","4","3","1") = "8"
    & skf18("1","1","5","9","4","4","1") = "8"
    & skf18("1","1","5","9","4","5","1") = "8"
    & skf18("1","1","5","9","4","6","1") = "8"
    & skf18("1","1","5","9","4","7","1") = "8"
    & skf18("1","1","5","9","4","8","1") = "8"
    & skf18("1","1","5","9","4","9","1") = "8"
    & skf18("1","1","5","9","4","10","1") = "9"
    & skf18("1","1","5","9","5","1","1") = "8"
    & skf18("1","1","5","9","5","2","1") = "8"
    & skf18("1","1","5","9","5","3","1") = "8"
    & skf18("1","1","5","9","5","4","1") = "8"
    & skf18("1","1","5","9","5","5","1") = "8"
    & skf18("1","1","5","9","5","6","1") = "8"
    & skf18("1","1","5","9","5","7","1") = "8"
    & skf18("1","1","5","9","5","8","1") = "8"
    & skf18("1","1","5","9","5","9","1") = "8"
    & skf18("1","1","5","9","5","10","1") = "9"
    & skf18("1","1","5","9","6","1","1") = "8"
    & skf18("1","1","5","9","6","2","1") = "8"
    & skf18("1","1","5","9","6","3","1") = "8"
    & skf18("1","1","5","9","6","4","1") = "8"
    & skf18("1","1","5","9","6","5","1") = "8"
    & skf18("1","1","5","9","6","6","1") = "8"
    & skf18("1","1","5","9","6","7","1") = "8"
    & skf18("1","1","5","9","6","8","1") = "8"
    & skf18("1","1","5","9","6","9","1") = "8"
    & skf18("1","1","5","9","6","10","1") = "9"
    & skf18("1","1","5","9","7","1","1") = "8"
    & skf18("1","1","5","9","7","2","1") = "8"
    & skf18("1","1","5","9","7","3","1") = "8"
    & skf18("1","1","5","9","7","4","1") = "8"
    & skf18("1","1","5","9","7","5","1") = "8"
    & skf18("1","1","5","9","7","6","1") = "8"
    & skf18("1","1","5","9","7","7","1") = "8"
    & skf18("1","1","5","9","7","8","1") = "8"
    & skf18("1","1","5","9","7","9","1") = "8"
    & skf18("1","1","5","9","7","10","1") = "9"
    & skf18("1","1","5","9","8","1","1") = "8"
    & skf18("1","1","5","9","8","2","1") = "8"
    & skf18("1","1","5","9","8","3","1") = "8"
    & skf18("1","1","5","9","8","4","1") = "8"
    & skf18("1","1","5","9","8","5","1") = "8"
    & skf18("1","1","5","9","8","6","1") = "8"
    & skf18("1","1","5","9","8","7","1") = "8"
    & skf18("1","1","5","9","8","8","1") = "8"
    & skf18("1","1","5","9","8","9","1") = "8"
    & skf18("1","1","5","9","8","10","1") = "9"
    & skf18("1","1","5","9","9","1","1") = "8"
    & skf18("1","1","5","9","9","2","1") = "8"
    & skf18("1","1","5","9","9","3","1") = "8"
    & skf18("1","1","5","9","9","4","1") = "8"
    & skf18("1","1","5","9","9","5","1") = "8"
    & skf18("1","1","5","9","9","6","1") = "8"
    & skf18("1","1","5","9","9","7","1") = "8"
    & skf18("1","1","5","9","9","8","1") = "8"
    & skf18("1","1","5","9","9","9","1") = "8"
    & skf18("1","1","5","9","9","10","1") = "9"
    & skf18("1","1","5","9","10","1","1") = "9"
    & skf18("1","1","5","9","10","2","1") = "9"
    & skf18("1","1","5","9","10","3","1") = "9"
    & skf18("1","1","5","9","10","4","1") = "9"
    & skf18("1","1","5","9","10","5","1") = "9"
    & skf18("1","1","5","9","10","6","1") = "9"
    & skf18("1","1","5","9","10","7","1") = "9"
    & skf18("1","1","5","9","10","8","1") = "9"
    & skf18("1","1","5","9","10","9","1") = "9"
    & skf18("1","1","5","9","10","10","1") = "9"
    & skf18("1","1","5","10","1","1","1") = "9"
    & skf18("1","1","5","10","1","2","1") = "9"
    & skf18("1","1","5","10","1","3","1") = "9"
    & skf18("1","1","5","10","1","4","1") = "9"
    & skf18("1","1","5","10","1","5","1") = "9"
    & skf18("1","1","5","10","1","6","1") = "9"
    & skf18("1","1","5","10","1","7","1") = "9"
    & skf18("1","1","5","10","1","8","1") = "9"
    & skf18("1","1","5","10","1","9","1") = "9"
    & skf18("1","1","5","10","1","10","1") = "9"
    & skf18("1","1","5","10","2","1","1") = "9"
    & skf18("1","1","5","10","2","2","1") = "9"
    & skf18("1","1","5","10","2","3","1") = "9"
    & skf18("1","1","5","10","2","4","1") = "9"
    & skf18("1","1","5","10","2","5","1") = "9"
    & skf18("1","1","5","10","2","6","1") = "9"
    & skf18("1","1","5","10","2","7","1") = "9"
    & skf18("1","1","5","10","2","8","1") = "9"
    & skf18("1","1","5","10","2","9","1") = "9"
    & skf18("1","1","5","10","2","10","1") = "9"
    & skf18("1","1","5","10","3","1","1") = "9"
    & skf18("1","1","5","10","3","2","1") = "9"
    & skf18("1","1","5","10","3","3","1") = "9"
    & skf18("1","1","5","10","3","4","1") = "9"
    & skf18("1","1","5","10","3","5","1") = "9"
    & skf18("1","1","5","10","3","6","1") = "9"
    & skf18("1","1","5","10","3","7","1") = "9"
    & skf18("1","1","5","10","3","8","1") = "9"
    & skf18("1","1","5","10","3","9","1") = "9"
    & skf18("1","1","5","10","3","10","1") = "9"
    & skf18("1","1","5","10","4","1","1") = "9"
    & skf18("1","1","5","10","4","2","1") = "9"
    & skf18("1","1","5","10","4","3","1") = "9"
    & skf18("1","1","5","10","4","4","1") = "9"
    & skf18("1","1","5","10","4","5","1") = "9"
    & skf18("1","1","5","10","4","6","1") = "9"
    & skf18("1","1","5","10","4","7","1") = "9"
    & skf18("1","1","5","10","4","8","1") = "9"
    & skf18("1","1","5","10","4","9","1") = "9"
    & skf18("1","1","5","10","4","10","1") = "9"
    & skf18("1","1","5","10","5","1","1") = "9"
    & skf18("1","1","5","10","5","2","1") = "9"
    & skf18("1","1","5","10","5","3","1") = "9"
    & skf18("1","1","5","10","5","4","1") = "9"
    & skf18("1","1","5","10","5","5","1") = "9"
    & skf18("1","1","5","10","5","6","1") = "9"
    & skf18("1","1","5","10","5","7","1") = "9"
    & skf18("1","1","5","10","5","8","1") = "9"
    & skf18("1","1","5","10","5","9","1") = "9"
    & skf18("1","1","5","10","5","10","1") = "9"
    & skf18("1","1","5","10","6","1","1") = "9"
    & skf18("1","1","5","10","6","2","1") = "9"
    & skf18("1","1","5","10","6","3","1") = "9"
    & skf18("1","1","5","10","6","4","1") = "9"
    & skf18("1","1","5","10","6","5","1") = "9"
    & skf18("1","1","5","10","6","6","1") = "9"
    & skf18("1","1","5","10","6","7","1") = "9"
    & skf18("1","1","5","10","6","8","1") = "9"
    & skf18("1","1","5","10","6","9","1") = "9"
    & skf18("1","1","5","10","6","10","1") = "9"
    & skf18("1","1","5","10","7","1","1") = "9"
    & skf18("1","1","5","10","7","2","1") = "9"
    & skf18("1","1","5","10","7","3","1") = "9"
    & skf18("1","1","5","10","7","4","1") = "9"
    & skf18("1","1","5","10","7","5","1") = "9"
    & skf18("1","1","5","10","7","6","1") = "9"
    & skf18("1","1","5","10","7","7","1") = "9"
    & skf18("1","1","5","10","7","8","1") = "9"
    & skf18("1","1","5","10","7","9","1") = "9"
    & skf18("1","1","5","10","7","10","1") = "9"
    & skf18("1","1","5","10","8","1","1") = "9"
    & skf18("1","1","5","10","8","2","1") = "9"
    & skf18("1","1","5","10","8","3","1") = "9"
    & skf18("1","1","5","10","8","4","1") = "9"
    & skf18("1","1","5","10","8","5","1") = "9"
    & skf18("1","1","5","10","8","6","1") = "9"
    & skf18("1","1","5","10","8","7","1") = "9"
    & skf18("1","1","5","10","8","8","1") = "9"
    & skf18("1","1","5","10","8","9","1") = "9"
    & skf18("1","1","5","10","8","10","1") = "9"
    & skf18("1","1","5","10","9","1","1") = "9"
    & skf18("1","1","5","10","9","2","1") = "9"
    & skf18("1","1","5","10","9","3","1") = "9"
    & skf18("1","1","5","10","9","4","1") = "9"
    & skf18("1","1","5","10","9","5","1") = "9"
    & skf18("1","1","5","10","9","6","1") = "9"
    & skf18("1","1","5","10","9","7","1") = "9"
    & skf18("1","1","5","10","9","8","1") = "9"
    & skf18("1","1","5","10","9","9","1") = "9"
    & skf18("1","1","5","10","9","10","1") = "9"
    & skf18("1","1","5","10","10","1","1") = "9"
    & skf18("1","1","5","10","10","2","1") = "9"
    & skf18("1","1","5","10","10","3","1") = "9"
    & skf18("1","1","5","10","10","4","1") = "9"
    & skf18("1","1","5","10","10","5","1") = "9"
    & skf18("1","1","5","10","10","6","1") = "9"
    & skf18("1","1","5","10","10","7","1") = "9"
    & skf18("1","1","5","10","10","8","1") = "9"
    & skf18("1","1","5","10","10","9","1") = "9"
    & skf18("1","1","5","10","10","10","1") = "9"
    & skf18("1","1","6","1","1","1","1") = "5"
    & skf18("1","1","6","1","1","2","1") = "5"
    & skf18("1","1","6","1","1","3","1") = "5"
    & skf18("1","1","6","1","1","4","1") = "5"
    & skf18("1","1","6","1","1","5","1") = "5"
    & skf18("1","1","6","1","1","6","1") = "5"
    & skf18("1","1","6","1","1","7","1") = "6"
    & skf18("1","1","6","1","1","8","1") = "7"
    & skf18("1","1","6","1","1","9","1") = "8"
    & skf18("1","1","6","1","1","10","1") = "9"
    & skf18("1","1","6","1","2","1","1") = "5"
    & skf18("1","1","6","1","2","2","1") = "5"
    & skf18("1","1","6","1","2","3","1") = "5"
    & skf18("1","1","6","1","2","4","1") = "5"
    & skf18("1","1","6","1","2","5","1") = "5"
    & skf18("1","1","6","1","2","6","1") = "5"
    & skf18("1","1","6","1","2","7","1") = "6"
    & skf18("1","1","6","1","2","8","1") = "7"
    & skf18("1","1","6","1","2","9","1") = "8"
    & skf18("1","1","6","1","2","10","1") = "9"
    & skf18("1","1","6","1","3","1","1") = "5"
    & skf18("1","1","6","1","3","2","1") = "5"
    & skf18("1","1","6","1","3","3","1") = "5"
    & skf18("1","1","6","1","3","4","1") = "5"
    & skf18("1","1","6","1","3","5","1") = "5"
    & skf18("1","1","6","1","3","6","1") = "5"
    & skf18("1","1","6","1","3","7","1") = "6"
    & skf18("1","1","6","1","3","8","1") = "7"
    & skf18("1","1","6","1","3","9","1") = "8"
    & skf18("1","1","6","1","3","10","1") = "9"
    & skf18("1","1","6","1","4","1","1") = "5"
    & skf18("1","1","6","1","4","2","1") = "5"
    & skf18("1","1","6","1","4","3","1") = "5"
    & skf18("1","1","6","1","4","4","1") = "5"
    & skf18("1","1","6","1","4","5","1") = "5"
    & skf18("1","1","6","1","4","6","1") = "5"
    & skf18("1","1","6","1","4","7","1") = "6"
    & skf18("1","1","6","1","4","8","1") = "7"
    & skf18("1","1","6","1","4","9","1") = "8"
    & skf18("1","1","6","1","4","10","1") = "9"
    & skf18("1","1","6","1","5","1","1") = "5"
    & skf18("1","1","6","1","5","2","1") = "5"
    & skf18("1","1","6","1","5","3","1") = "5"
    & skf18("1","1","6","1","5","4","1") = "5"
    & skf18("1","1","6","1","5","5","1") = "5"
    & skf18("1","1","6","1","5","6","1") = "5"
    & skf18("1","1","6","1","5","7","1") = "6"
    & skf18("1","1","6","1","5","8","1") = "7"
    & skf18("1","1","6","1","5","9","1") = "8"
    & skf18("1","1","6","1","5","10","1") = "9"
    & skf18("1","1","6","1","6","1","1") = "5"
    & skf18("1","1","6","1","6","2","1") = "5"
    & skf18("1","1","6","1","6","3","1") = "5"
    & skf18("1","1","6","1","6","4","1") = "5"
    & skf18("1","1","6","1","6","5","1") = "5"
    & skf18("1","1","6","1","6","6","1") = "5"
    & skf18("1","1","6","1","6","7","1") = "6"
    & skf18("1","1","6","1","6","8","1") = "7"
    & skf18("1","1","6","1","6","9","1") = "8"
    & skf18("1","1","6","1","6","10","1") = "9"
    & skf18("1","1","6","1","7","1","1") = "6"
    & skf18("1","1","6","1","7","2","1") = "6"
    & skf18("1","1","6","1","7","3","1") = "6"
    & skf18("1","1","6","1","7","4","1") = "6"
    & skf18("1","1","6","1","7","5","1") = "6"
    & skf18("1","1","6","1","7","6","1") = "6"
    & skf18("1","1","6","1","7","7","1") = "6"
    & skf18("1","1","6","1","7","8","1") = "7"
    & skf18("1","1","6","1","7","9","1") = "8"
    & skf18("1","1","6","1","7","10","1") = "9"
    & skf18("1","1","6","1","8","1","1") = "7"
    & skf18("1","1","6","1","8","2","1") = "7"
    & skf18("1","1","6","1","8","3","1") = "7"
    & skf18("1","1","6","1","8","4","1") = "7"
    & skf18("1","1","6","1","8","5","1") = "7"
    & skf18("1","1","6","1","8","6","1") = "7"
    & skf18("1","1","6","1","8","7","1") = "7"
    & skf18("1","1","6","1","8","8","1") = "7"
    & skf18("1","1","6","1","8","9","1") = "8"
    & skf18("1","1","6","1","8","10","1") = "9"
    & skf18("1","1","6","1","9","1","1") = "8"
    & skf18("1","1","6","1","9","2","1") = "8"
    & skf18("1","1","6","1","9","3","1") = "8"
    & skf18("1","1","6","1","9","4","1") = "8"
    & skf18("1","1","6","1","9","5","1") = "8"
    & skf18("1","1","6","1","9","6","1") = "8"
    & skf18("1","1","6","1","9","7","1") = "8"
    & skf18("1","1","6","1","9","8","1") = "8"
    & skf18("1","1","6","1","9","9","1") = "8"
    & skf18("1","1","6","1","9","10","1") = "9"
    & skf18("1","1","6","1","10","1","1") = "9"
    & skf18("1","1","6","1","10","2","1") = "9"
    & skf18("1","1","6","1","10","3","1") = "9"
    & skf18("1","1","6","1","10","4","1") = "9"
    & skf18("1","1","6","1","10","5","1") = "9"
    & skf18("1","1","6","1","10","6","1") = "9"
    & skf18("1","1","6","1","10","7","1") = "9"
    & skf18("1","1","6","1","10","8","1") = "9"
    & skf18("1","1","6","1","10","9","1") = "9"
    & skf18("1","1","6","1","10","10","1") = "9"
    & skf18("1","1","6","2","1","1","1") = "5"
    & skf18("1","1","6","2","1","2","1") = "5"
    & skf18("1","1","6","2","1","3","1") = "5"
    & skf18("1","1","6","2","1","4","1") = "5"
    & skf18("1","1","6","2","1","5","1") = "5"
    & skf18("1","1","6","2","1","6","1") = "5"
    & skf18("1","1","6","2","1","7","1") = "6"
    & skf18("1","1","6","2","1","8","1") = "7"
    & skf18("1","1","6","2","1","9","1") = "8"
    & skf18("1","1","6","2","1","10","1") = "9"
    & skf18("1","1","6","2","2","1","1") = "5"
    & skf18("1","1","6","2","2","2","1") = "5"
    & skf18("1","1","6","2","2","3","1") = "5"
    & skf18("1","1","6","2","2","4","1") = "5"
    & skf18("1","1","6","2","2","5","1") = "5"
    & skf18("1","1","6","2","2","6","1") = "5"
    & skf18("1","1","6","2","2","7","1") = "6"
    & skf18("1","1","6","2","2","8","1") = "7"
    & skf18("1","1","6","2","2","9","1") = "8"
    & skf18("1","1","6","2","2","10","1") = "9"
    & skf18("1","1","6","2","3","1","1") = "5"
    & skf18("1","1","6","2","3","2","1") = "5"
    & skf18("1","1","6","2","3","3","1") = "5"
    & skf18("1","1","6","2","3","4","1") = "5"
    & skf18("1","1","6","2","3","5","1") = "5"
    & skf18("1","1","6","2","3","6","1") = "5"
    & skf18("1","1","6","2","3","7","1") = "6"
    & skf18("1","1","6","2","3","8","1") = "7"
    & skf18("1","1","6","2","3","9","1") = "8"
    & skf18("1","1","6","2","3","10","1") = "9"
    & skf18("1","1","6","2","4","1","1") = "5"
    & skf18("1","1","6","2","4","2","1") = "5"
    & skf18("1","1","6","2","4","3","1") = "5"
    & skf18("1","1","6","2","4","4","1") = "5"
    & skf18("1","1","6","2","4","5","1") = "5"
    & skf18("1","1","6","2","4","6","1") = "5"
    & skf18("1","1","6","2","4","7","1") = "6"
    & skf18("1","1","6","2","4","8","1") = "7"
    & skf18("1","1","6","2","4","9","1") = "8"
    & skf18("1","1","6","2","4","10","1") = "9"
    & skf18("1","1","6","2","5","1","1") = "5"
    & skf18("1","1","6","2","5","2","1") = "5"
    & skf18("1","1","6","2","5","3","1") = "5"
    & skf18("1","1","6","2","5","4","1") = "5"
    & skf18("1","1","6","2","5","5","1") = "5"
    & skf18("1","1","6","2","5","6","1") = "5"
    & skf18("1","1","6","2","5","7","1") = "6"
    & skf18("1","1","6","2","5","8","1") = "7"
    & skf18("1","1","6","2","5","9","1") = "8"
    & skf18("1","1","6","2","5","10","1") = "9"
    & skf18("1","1","6","2","6","1","1") = "5"
    & skf18("1","1","6","2","6","2","1") = "5"
    & skf18("1","1","6","2","6","3","1") = "5"
    & skf18("1","1","6","2","6","4","1") = "5"
    & skf18("1","1","6","2","6","5","1") = "5"
    & skf18("1","1","6","2","6","6","1") = "5"
    & skf18("1","1","6","2","6","7","1") = "6"
    & skf18("1","1","6","2","6","8","1") = "7"
    & skf18("1","1","6","2","6","9","1") = "8"
    & skf18("1","1","6","2","6","10","1") = "9"
    & skf18("1","1","6","2","7","1","1") = "6"
    & skf18("1","1","6","2","7","2","1") = "6"
    & skf18("1","1","6","2","7","3","1") = "6"
    & skf18("1","1","6","2","7","4","1") = "6"
    & skf18("1","1","6","2","7","5","1") = "6"
    & skf18("1","1","6","2","7","6","1") = "6"
    & skf18("1","1","6","2","7","7","1") = "6"
    & skf18("1","1","6","2","7","8","1") = "7"
    & skf18("1","1","6","2","7","9","1") = "8"
    & skf18("1","1","6","2","7","10","1") = "9"
    & skf18("1","1","6","2","8","1","1") = "7"
    & skf18("1","1","6","2","8","2","1") = "7"
    & skf18("1","1","6","2","8","3","1") = "7"
    & skf18("1","1","6","2","8","4","1") = "7"
    & skf18("1","1","6","2","8","5","1") = "7"
    & skf18("1","1","6","2","8","6","1") = "7"
    & skf18("1","1","6","2","8","7","1") = "7"
    & skf18("1","1","6","2","8","8","1") = "7"
    & skf18("1","1","6","2","8","9","1") = "8"
    & skf18("1","1","6","2","8","10","1") = "9"
    & skf18("1","1","6","2","9","1","1") = "8"
    & skf18("1","1","6","2","9","2","1") = "8"
    & skf18("1","1","6","2","9","3","1") = "8"
    & skf18("1","1","6","2","9","4","1") = "8"
    & skf18("1","1","6","2","9","5","1") = "8"
    & skf18("1","1","6","2","9","6","1") = "8"
    & skf18("1","1","6","2","9","7","1") = "8"
    & skf18("1","1","6","2","9","8","1") = "8"
    & skf18("1","1","6","2","9","9","1") = "8"
    & skf18("1","1","6","2","9","10","1") = "9"
    & skf18("1","1","6","2","10","1","1") = "9"
    & skf18("1","1","6","2","10","2","1") = "9"
    & skf18("1","1","6","2","10","3","1") = "9"
    & skf18("1","1","6","2","10","4","1") = "9"
    & skf18("1","1","6","2","10","5","1") = "9"
    & skf18("1","1","6","2","10","6","1") = "9"
    & skf18("1","1","6","2","10","7","1") = "9"
    & skf18("1","1","6","2","10","8","1") = "9"
    & skf18("1","1","6","2","10","9","1") = "9"
    & skf18("1","1","6","2","10","10","1") = "9"
    & skf18("1","1","6","3","1","1","1") = "5"
    & skf18("1","1","6","3","1","2","1") = "5"
    & skf18("1","1","6","3","1","3","1") = "5"
    & skf18("1","1","6","3","1","4","1") = "5"
    & skf18("1","1","6","3","1","5","1") = "5"
    & skf18("1","1","6","3","1","6","1") = "5"
    & skf18("1","1","6","3","1","7","1") = "6"
    & skf18("1","1","6","3","1","8","1") = "7"
    & skf18("1","1","6","3","1","9","1") = "8"
    & skf18("1","1","6","3","1","10","1") = "9"
    & skf18("1","1","6","3","2","1","1") = "5"
    & skf18("1","1","6","3","2","2","1") = "5"
    & skf18("1","1","6","3","2","3","1") = "5"
    & skf18("1","1","6","3","2","4","1") = "5"
    & skf18("1","1","6","3","2","5","1") = "5"
    & skf18("1","1","6","3","2","6","1") = "5"
    & skf18("1","1","6","3","2","7","1") = "6"
    & skf18("1","1","6","3","2","8","1") = "7"
    & skf18("1","1","6","3","2","9","1") = "8"
    & skf18("1","1","6","3","2","10","1") = "9"
    & skf18("1","1","6","3","3","1","1") = "5"
    & skf18("1","1","6","3","3","2","1") = "5"
    & skf18("1","1","6","3","3","3","1") = "5"
    & skf18("1","1","6","3","3","4","1") = "5"
    & skf18("1","1","6","3","3","5","1") = "5"
    & skf18("1","1","6","3","3","6","1") = "5"
    & skf18("1","1","6","3","3","7","1") = "6"
    & skf18("1","1","6","3","3","8","1") = "7"
    & skf18("1","1","6","3","3","9","1") = "8"
    & skf18("1","1","6","3","3","10","1") = "9"
    & skf18("1","1","6","3","4","1","1") = "5"
    & skf18("1","1","6","3","4","2","1") = "5"
    & skf18("1","1","6","3","4","3","1") = "5"
    & skf18("1","1","6","3","4","4","1") = "5"
    & skf18("1","1","6","3","4","5","1") = "5"
    & skf18("1","1","6","3","4","6","1") = "5"
    & skf18("1","1","6","3","4","7","1") = "6"
    & skf18("1","1","6","3","4","8","1") = "7"
    & skf18("1","1","6","3","4","9","1") = "8"
    & skf18("1","1","6","3","4","10","1") = "9"
    & skf18("1","1","6","3","5","1","1") = "5"
    & skf18("1","1","6","3","5","2","1") = "5"
    & skf18("1","1","6","3","5","3","1") = "5"
    & skf18("1","1","6","3","5","4","1") = "5"
    & skf18("1","1","6","3","5","5","1") = "5"
    & skf18("1","1","6","3","5","6","1") = "5"
    & skf18("1","1","6","3","5","7","1") = "6"
    & skf18("1","1","6","3","5","8","1") = "7"
    & skf18("1","1","6","3","5","9","1") = "8"
    & skf18("1","1","6","3","5","10","1") = "9"
    & skf18("1","1","6","3","6","1","1") = "5"
    & skf18("1","1","6","3","6","2","1") = "5"
    & skf18("1","1","6","3","6","3","1") = "5"
    & skf18("1","1","6","3","6","4","1") = "5"
    & skf18("1","1","6","3","6","5","1") = "5"
    & skf18("1","1","6","3","6","6","1") = "5"
    & skf18("1","1","6","3","6","7","1") = "6"
    & skf18("1","1","6","3","6","8","1") = "7"
    & skf18("1","1","6","3","6","9","1") = "8"
    & skf18("1","1","6","3","6","10","1") = "9"
    & skf18("1","1","6","3","7","1","1") = "6"
    & skf18("1","1","6","3","7","2","1") = "6"
    & skf18("1","1","6","3","7","3","1") = "6"
    & skf18("1","1","6","3","7","4","1") = "6"
    & skf18("1","1","6","3","7","5","1") = "6"
    & skf18("1","1","6","3","7","6","1") = "6"
    & skf18("1","1","6","3","7","7","1") = "6"
    & skf18("1","1","6","3","7","8","1") = "7"
    & skf18("1","1","6","3","7","9","1") = "8"
    & skf18("1","1","6","3","7","10","1") = "9"
    & skf18("1","1","6","3","8","1","1") = "7"
    & skf18("1","1","6","3","8","2","1") = "7"
    & skf18("1","1","6","3","8","3","1") = "7"
    & skf18("1","1","6","3","8","4","1") = "7"
    & skf18("1","1","6","3","8","5","1") = "7"
    & skf18("1","1","6","3","8","6","1") = "7"
    & skf18("1","1","6","3","8","7","1") = "7"
    & skf18("1","1","6","3","8","8","1") = "7"
    & skf18("1","1","6","3","8","9","1") = "8"
    & skf18("1","1","6","3","8","10","1") = "9"
    & skf18("1","1","6","3","9","1","1") = "8"
    & skf18("1","1","6","3","9","2","1") = "8"
    & skf18("1","1","6","3","9","3","1") = "8"
    & skf18("1","1","6","3","9","4","1") = "8"
    & skf18("1","1","6","3","9","5","1") = "8"
    & skf18("1","1","6","3","9","6","1") = "8"
    & skf18("1","1","6","3","9","7","1") = "8"
    & skf18("1","1","6","3","9","8","1") = "8"
    & skf18("1","1","6","3","9","9","1") = "8"
    & skf18("1","1","6","3","9","10","1") = "9"
    & skf18("1","1","6","3","10","1","1") = "9"
    & skf18("1","1","6","3","10","2","1") = "9"
    & skf18("1","1","6","3","10","3","1") = "9"
    & skf18("1","1","6","3","10","4","1") = "9"
    & skf18("1","1","6","3","10","5","1") = "9"
    & skf18("1","1","6","3","10","6","1") = "9"
    & skf18("1","1","6","3","10","7","1") = "9"
    & skf18("1","1","6","3","10","8","1") = "9"
    & skf18("1","1","6","3","10","9","1") = "9"
    & skf18("1","1","6","3","10","10","1") = "9"
    & skf18("1","1","6","4","1","1","1") = "5"
    & skf18("1","1","6","4","1","2","1") = "5"
    & skf18("1","1","6","4","1","3","1") = "5"
    & skf18("1","1","6","4","1","4","1") = "5"
    & skf18("1","1","6","4","1","5","1") = "5"
    & skf18("1","1","6","4","1","6","1") = "5"
    & skf18("1","1","6","4","1","7","1") = "6"
    & skf18("1","1","6","4","1","8","1") = "7"
    & skf18("1","1","6","4","1","9","1") = "8"
    & skf18("1","1","6","4","1","10","1") = "9"
    & skf18("1","1","6","4","2","1","1") = "5"
    & skf18("1","1","6","4","2","2","1") = "5"
    & skf18("1","1","6","4","2","3","1") = "5"
    & skf18("1","1","6","4","2","4","1") = "5"
    & skf18("1","1","6","4","2","5","1") = "5"
    & skf18("1","1","6","4","2","6","1") = "5"
    & skf18("1","1","6","4","2","7","1") = "6"
    & skf18("1","1","6","4","2","8","1") = "7"
    & skf18("1","1","6","4","2","9","1") = "8"
    & skf18("1","1","6","4","2","10","1") = "9"
    & skf18("1","1","6","4","3","1","1") = "5"
    & skf18("1","1","6","4","3","2","1") = "5"
    & skf18("1","1","6","4","3","3","1") = "5"
    & skf18("1","1","6","4","3","4","1") = "5"
    & skf18("1","1","6","4","3","5","1") = "5"
    & skf18("1","1","6","4","3","6","1") = "5"
    & skf18("1","1","6","4","3","7","1") = "6"
    & skf18("1","1","6","4","3","8","1") = "7"
    & skf18("1","1","6","4","3","9","1") = "8"
    & skf18("1","1","6","4","3","10","1") = "9"
    & skf18("1","1","6","4","4","1","1") = "5"
    & skf18("1","1","6","4","4","2","1") = "5"
    & skf18("1","1","6","4","4","3","1") = "5"
    & skf18("1","1","6","4","4","4","1") = "5"
    & skf18("1","1","6","4","4","5","1") = "5"
    & skf18("1","1","6","4","4","6","1") = "5"
    & skf18("1","1","6","4","4","7","1") = "6"
    & skf18("1","1","6","4","4","8","1") = "7"
    & skf18("1","1","6","4","4","9","1") = "8"
    & skf18("1","1","6","4","4","10","1") = "9"
    & skf18("1","1","6","4","5","1","1") = "5"
    & skf18("1","1","6","4","5","2","1") = "5"
    & skf18("1","1","6","4","5","3","1") = "5"
    & skf18("1","1","6","4","5","4","1") = "5"
    & skf18("1","1","6","4","5","5","1") = "5"
    & skf18("1","1","6","4","5","6","1") = "5"
    & skf18("1","1","6","4","5","7","1") = "6"
    & skf18("1","1","6","4","5","8","1") = "7"
    & skf18("1","1","6","4","5","9","1") = "8"
    & skf18("1","1","6","4","5","10","1") = "9"
    & skf18("1","1","6","4","6","1","1") = "5"
    & skf18("1","1","6","4","6","2","1") = "5"
    & skf18("1","1","6","4","6","3","1") = "5"
    & skf18("1","1","6","4","6","4","1") = "5"
    & skf18("1","1","6","4","6","5","1") = "5"
    & skf18("1","1","6","4","6","6","1") = "5"
    & skf18("1","1","6","4","6","7","1") = "6"
    & skf18("1","1","6","4","6","8","1") = "7"
    & skf18("1","1","6","4","6","9","1") = "8"
    & skf18("1","1","6","4","6","10","1") = "9"
    & skf18("1","1","6","4","7","1","1") = "6"
    & skf18("1","1","6","4","7","2","1") = "6"
    & skf18("1","1","6","4","7","3","1") = "6"
    & skf18("1","1","6","4","7","4","1") = "6"
    & skf18("1","1","6","4","7","5","1") = "6"
    & skf18("1","1","6","4","7","6","1") = "6"
    & skf18("1","1","6","4","7","7","1") = "6"
    & skf18("1","1","6","4","7","8","1") = "7"
    & skf18("1","1","6","4","7","9","1") = "8"
    & skf18("1","1","6","4","7","10","1") = "9"
    & skf18("1","1","6","4","8","1","1") = "7"
    & skf18("1","1","6","4","8","2","1") = "7"
    & skf18("1","1","6","4","8","3","1") = "7"
    & skf18("1","1","6","4","8","4","1") = "7"
    & skf18("1","1","6","4","8","5","1") = "7"
    & skf18("1","1","6","4","8","6","1") = "7"
    & skf18("1","1","6","4","8","7","1") = "7"
    & skf18("1","1","6","4","8","8","1") = "7"
    & skf18("1","1","6","4","8","9","1") = "8"
    & skf18("1","1","6","4","8","10","1") = "9"
    & skf18("1","1","6","4","9","1","1") = "8"
    & skf18("1","1","6","4","9","2","1") = "8"
    & skf18("1","1","6","4","9","3","1") = "8"
    & skf18("1","1","6","4","9","4","1") = "8"
    & skf18("1","1","6","4","9","5","1") = "8"
    & skf18("1","1","6","4","9","6","1") = "8"
    & skf18("1","1","6","4","9","7","1") = "8"
    & skf18("1","1","6","4","9","8","1") = "8"
    & skf18("1","1","6","4","9","9","1") = "8"
    & skf18("1","1","6","4","9","10","1") = "9"
    & skf18("1","1","6","4","10","1","1") = "9"
    & skf18("1","1","6","4","10","2","1") = "9"
    & skf18("1","1","6","4","10","3","1") = "9"
    & skf18("1","1","6","4","10","4","1") = "9"
    & skf18("1","1","6","4","10","5","1") = "9"
    & skf18("1","1","6","4","10","6","1") = "9"
    & skf18("1","1","6","4","10","7","1") = "9"
    & skf18("1","1","6","4","10","8","1") = "9"
    & skf18("1","1","6","4","10","9","1") = "9"
    & skf18("1","1","6","4","10","10","1") = "9"
    & skf18("1","1","6","5","1","1","1") = "5"
    & skf18("1","1","6","5","1","2","1") = "5"
    & skf18("1","1","6","5","1","3","1") = "5"
    & skf18("1","1","6","5","1","4","1") = "5"
    & skf18("1","1","6","5","1","5","1") = "5"
    & skf18("1","1","6","5","1","6","1") = "5"
    & skf18("1","1","6","5","1","7","1") = "6"
    & skf18("1","1","6","5","1","8","1") = "7"
    & skf18("1","1","6","5","1","9","1") = "8"
    & skf18("1","1","6","5","1","10","1") = "9"
    & skf18("1","1","6","5","2","1","1") = "5"
    & skf18("1","1","6","5","2","2","1") = "5"
    & skf18("1","1","6","5","2","3","1") = "5"
    & skf18("1","1","6","5","2","4","1") = "5"
    & skf18("1","1","6","5","2","5","1") = "5"
    & skf18("1","1","6","5","2","6","1") = "5"
    & skf18("1","1","6","5","2","7","1") = "6"
    & skf18("1","1","6","5","2","8","1") = "7"
    & skf18("1","1","6","5","2","9","1") = "8"
    & skf18("1","1","6","5","2","10","1") = "9"
    & skf18("1","1","6","5","3","1","1") = "5"
    & skf18("1","1","6","5","3","2","1") = "5"
    & skf18("1","1","6","5","3","3","1") = "5"
    & skf18("1","1","6","5","3","4","1") = "5"
    & skf18("1","1","6","5","3","5","1") = "5"
    & skf18("1","1","6","5","3","6","1") = "5"
    & skf18("1","1","6","5","3","7","1") = "6"
    & skf18("1","1","6","5","3","8","1") = "7"
    & skf18("1","1","6","5","3","9","1") = "8"
    & skf18("1","1","6","5","3","10","1") = "9"
    & skf18("1","1","6","5","4","1","1") = "5"
    & skf18("1","1","6","5","4","2","1") = "5"
    & skf18("1","1","6","5","4","3","1") = "5"
    & skf18("1","1","6","5","4","4","1") = "5"
    & skf18("1","1","6","5","4","5","1") = "5"
    & skf18("1","1","6","5","4","6","1") = "5"
    & skf18("1","1","6","5","4","7","1") = "6"
    & skf18("1","1","6","5","4","8","1") = "7"
    & skf18("1","1","6","5","4","9","1") = "8"
    & skf18("1","1","6","5","4","10","1") = "9"
    & skf18("1","1","6","5","5","1","1") = "5"
    & skf18("1","1","6","5","5","2","1") = "5"
    & skf18("1","1","6","5","5","3","1") = "5"
    & skf18("1","1","6","5","5","4","1") = "5"
    & skf18("1","1","6","5","5","5","1") = "5"
    & skf18("1","1","6","5","5","6","1") = "5"
    & skf18("1","1","6","5","5","7","1") = "6"
    & skf18("1","1","6","5","5","8","1") = "7"
    & skf18("1","1","6","5","5","9","1") = "8"
    & skf18("1","1","6","5","5","10","1") = "9"
    & skf18("1","1","6","5","6","1","1") = "5"
    & skf18("1","1","6","5","6","2","1") = "5"
    & skf18("1","1","6","5","6","3","1") = "5"
    & skf18("1","1","6","5","6","4","1") = "5"
    & skf18("1","1","6","5","6","5","1") = "5"
    & skf18("1","1","6","5","6","6","1") = "5"
    & skf18("1","1","6","5","6","7","1") = "6"
    & skf18("1","1","6","5","6","8","1") = "7"
    & skf18("1","1","6","5","6","9","1") = "8"
    & skf18("1","1","6","5","6","10","1") = "9"
    & skf18("1","1","6","5","7","1","1") = "6"
    & skf18("1","1","6","5","7","2","1") = "6"
    & skf18("1","1","6","5","7","3","1") = "6"
    & skf18("1","1","6","5","7","4","1") = "6"
    & skf18("1","1","6","5","7","5","1") = "6"
    & skf18("1","1","6","5","7","6","1") = "6"
    & skf18("1","1","6","5","7","7","1") = "6"
    & skf18("1","1","6","5","7","8","1") = "7"
    & skf18("1","1","6","5","7","9","1") = "8"
    & skf18("1","1","6","5","7","10","1") = "9"
    & skf18("1","1","6","5","8","1","1") = "7"
    & skf18("1","1","6","5","8","2","1") = "7"
    & skf18("1","1","6","5","8","3","1") = "7"
    & skf18("1","1","6","5","8","4","1") = "7"
    & skf18("1","1","6","5","8","5","1") = "7"
    & skf18("1","1","6","5","8","6","1") = "7"
    & skf18("1","1","6","5","8","7","1") = "7"
    & skf18("1","1","6","5","8","8","1") = "7"
    & skf18("1","1","6","5","8","9","1") = "8"
    & skf18("1","1","6","5","8","10","1") = "9"
    & skf18("1","1","6","5","9","1","1") = "8"
    & skf18("1","1","6","5","9","2","1") = "8"
    & skf18("1","1","6","5","9","3","1") = "8"
    & skf18("1","1","6","5","9","4","1") = "8"
    & skf18("1","1","6","5","9","5","1") = "8"
    & skf18("1","1","6","5","9","6","1") = "8"
    & skf18("1","1","6","5","9","7","1") = "8"
    & skf18("1","1","6","5","9","8","1") = "8"
    & skf18("1","1","6","5","9","9","1") = "8"
    & skf18("1","1","6","5","9","10","1") = "9"
    & skf18("1","1","6","5","10","1","1") = "9"
    & skf18("1","1","6","5","10","2","1") = "9"
    & skf18("1","1","6","5","10","3","1") = "9"
    & skf18("1","1","6","5","10","4","1") = "9"
    & skf18("1","1","6","5","10","5","1") = "9"
    & skf18("1","1","6","5","10","6","1") = "9"
    & skf18("1","1","6","5","10","7","1") = "9"
    & skf18("1","1","6","5","10","8","1") = "9"
    & skf18("1","1","6","5","10","9","1") = "9"
    & skf18("1","1","6","5","10","10","1") = "9"
    & skf18("1","1","6","6","1","1","1") = "5"
    & skf18("1","1","6","6","1","2","1") = "5"
    & skf18("1","1","6","6","1","3","1") = "5"
    & skf18("1","1","6","6","1","4","1") = "5"
    & skf18("1","1","6","6","1","5","1") = "5"
    & skf18("1","1","6","6","1","6","1") = "5"
    & skf18("1","1","6","6","1","7","1") = "6"
    & skf18("1","1","6","6","1","8","1") = "7"
    & skf18("1","1","6","6","1","9","1") = "8"
    & skf18("1","1","6","6","1","10","1") = "9"
    & skf18("1","1","6","6","2","1","1") = "5"
    & skf18("1","1","6","6","2","2","1") = "5"
    & skf18("1","1","6","6","2","3","1") = "5"
    & skf18("1","1","6","6","2","4","1") = "5"
    & skf18("1","1","6","6","2","5","1") = "5"
    & skf18("1","1","6","6","2","6","1") = "5"
    & skf18("1","1","6","6","2","7","1") = "6"
    & skf18("1","1","6","6","2","8","1") = "7"
    & skf18("1","1","6","6","2","9","1") = "8"
    & skf18("1","1","6","6","2","10","1") = "9"
    & skf18("1","1","6","6","3","1","1") = "5"
    & skf18("1","1","6","6","3","2","1") = "5"
    & skf18("1","1","6","6","3","3","1") = "5"
    & skf18("1","1","6","6","3","4","1") = "5"
    & skf18("1","1","6","6","3","5","1") = "5"
    & skf18("1","1","6","6","3","6","1") = "5"
    & skf18("1","1","6","6","3","7","1") = "6"
    & skf18("1","1","6","6","3","8","1") = "7"
    & skf18("1","1","6","6","3","9","1") = "8"
    & skf18("1","1","6","6","3","10","1") = "9"
    & skf18("1","1","6","6","4","1","1") = "5"
    & skf18("1","1","6","6","4","2","1") = "5"
    & skf18("1","1","6","6","4","3","1") = "5"
    & skf18("1","1","6","6","4","4","1") = "5"
    & skf18("1","1","6","6","4","5","1") = "5"
    & skf18("1","1","6","6","4","6","1") = "5"
    & skf18("1","1","6","6","4","7","1") = "6"
    & skf18("1","1","6","6","4","8","1") = "7"
    & skf18("1","1","6","6","4","9","1") = "8"
    & skf18("1","1","6","6","4","10","1") = "9"
    & skf18("1","1","6","6","5","1","1") = "5"
    & skf18("1","1","6","6","5","2","1") = "5"
    & skf18("1","1","6","6","5","3","1") = "5"
    & skf18("1","1","6","6","5","4","1") = "5"
    & skf18("1","1","6","6","5","5","1") = "5"
    & skf18("1","1","6","6","5","6","1") = "5"
    & skf18("1","1","6","6","5","7","1") = "6"
    & skf18("1","1","6","6","5","8","1") = "7"
    & skf18("1","1","6","6","5","9","1") = "8"
    & skf18("1","1","6","6","5","10","1") = "9"
    & skf18("1","1","6","6","6","1","1") = "5"
    & skf18("1","1","6","6","6","2","1") = "5"
    & skf18("1","1","6","6","6","3","1") = "5"
    & skf18("1","1","6","6","6","4","1") = "5"
    & skf18("1","1","6","6","6","5","1") = "5"
    & skf18("1","1","6","6","6","6","1") = "5"
    & skf18("1","1","6","6","6","7","1") = "6"
    & skf18("1","1","6","6","6","8","1") = "7"
    & skf18("1","1","6","6","6","9","1") = "8"
    & skf18("1","1","6","6","6","10","1") = "9"
    & skf18("1","1","6","6","7","1","1") = "6"
    & skf18("1","1","6","6","7","2","1") = "6"
    & skf18("1","1","6","6","7","3","1") = "6"
    & skf18("1","1","6","6","7","4","1") = "6"
    & skf18("1","1","6","6","7","5","1") = "6"
    & skf18("1","1","6","6","7","6","1") = "6"
    & skf18("1","1","6","6","7","7","1") = "6"
    & skf18("1","1","6","6","7","8","1") = "7"
    & skf18("1","1","6","6","7","9","1") = "8"
    & skf18("1","1","6","6","7","10","1") = "9"
    & skf18("1","1","6","6","8","1","1") = "7"
    & skf18("1","1","6","6","8","2","1") = "7"
    & skf18("1","1","6","6","8","3","1") = "7"
    & skf18("1","1","6","6","8","4","1") = "7"
    & skf18("1","1","6","6","8","5","1") = "7"
    & skf18("1","1","6","6","8","6","1") = "7"
    & skf18("1","1","6","6","8","7","1") = "7"
    & skf18("1","1","6","6","8","8","1") = "7"
    & skf18("1","1","6","6","8","9","1") = "8"
    & skf18("1","1","6","6","8","10","1") = "9"
    & skf18("1","1","6","6","9","1","1") = "8"
    & skf18("1","1","6","6","9","2","1") = "8"
    & skf18("1","1","6","6","9","3","1") = "8"
    & skf18("1","1","6","6","9","4","1") = "8"
    & skf18("1","1","6","6","9","5","1") = "8"
    & skf18("1","1","6","6","9","6","1") = "8"
    & skf18("1","1","6","6","9","7","1") = "8"
    & skf18("1","1","6","6","9","8","1") = "8"
    & skf18("1","1","6","6","9","9","1") = "8"
    & skf18("1","1","6","6","9","10","1") = "9"
    & skf18("1","1","6","6","10","1","1") = "9"
    & skf18("1","1","6","6","10","2","1") = "9"
    & skf18("1","1","6","6","10","3","1") = "9"
    & skf18("1","1","6","6","10","4","1") = "9"
    & skf18("1","1","6","6","10","5","1") = "9"
    & skf18("1","1","6","6","10","6","1") = "9"
    & skf18("1","1","6","6","10","7","1") = "9"
    & skf18("1","1","6","6","10","8","1") = "9"
    & skf18("1","1","6","6","10","9","1") = "9"
    & skf18("1","1","6","6","10","10","1") = "9"
    & skf18("1","1","6","7","1","1","1") = "6"
    & skf18("1","1","6","7","1","2","1") = "6"
    & skf18("1","1","6","7","1","3","1") = "6"
    & skf18("1","1","6","7","1","4","1") = "6"
    & skf18("1","1","6","7","1","5","1") = "6"
    & skf18("1","1","6","7","1","6","1") = "6"
    & skf18("1","1","6","7","1","7","1") = "6"
    & skf18("1","1","6","7","1","8","1") = "7"
    & skf18("1","1","6","7","1","9","1") = "8"
    & skf18("1","1","6","7","1","10","1") = "9"
    & skf18("1","1","6","7","2","1","1") = "6"
    & skf18("1","1","6","7","2","2","1") = "6"
    & skf18("1","1","6","7","2","3","1") = "6"
    & skf18("1","1","6","7","2","4","1") = "6"
    & skf18("1","1","6","7","2","5","1") = "6"
    & skf18("1","1","6","7","2","6","1") = "6"
    & skf18("1","1","6","7","2","7","1") = "6"
    & skf18("1","1","6","7","2","8","1") = "7"
    & skf18("1","1","6","7","2","9","1") = "8"
    & skf18("1","1","6","7","2","10","1") = "9"
    & skf18("1","1","6","7","3","1","1") = "6"
    & skf18("1","1","6","7","3","2","1") = "6"
    & skf18("1","1","6","7","3","3","1") = "6"
    & skf18("1","1","6","7","3","4","1") = "6"
    & skf18("1","1","6","7","3","5","1") = "6"
    & skf18("1","1","6","7","3","6","1") = "6"
    & skf18("1","1","6","7","3","7","1") = "6"
    & skf18("1","1","6","7","3","8","1") = "7"
    & skf18("1","1","6","7","3","9","1") = "8"
    & skf18("1","1","6","7","3","10","1") = "9"
    & skf18("1","1","6","7","4","1","1") = "6"
    & skf18("1","1","6","7","4","2","1") = "6"
    & skf18("1","1","6","7","4","3","1") = "6"
    & skf18("1","1","6","7","4","4","1") = "6"
    & skf18("1","1","6","7","4","5","1") = "6"
    & skf18("1","1","6","7","4","6","1") = "6"
    & skf18("1","1","6","7","4","7","1") = "6"
    & skf18("1","1","6","7","4","8","1") = "7"
    & skf18("1","1","6","7","4","9","1") = "8"
    & skf18("1","1","6","7","4","10","1") = "9"
    & skf18("1","1","6","7","5","1","1") = "6"
    & skf18("1","1","6","7","5","2","1") = "6"
    & skf18("1","1","6","7","5","3","1") = "6"
    & skf18("1","1","6","7","5","4","1") = "6"
    & skf18("1","1","6","7","5","5","1") = "6"
    & skf18("1","1","6","7","5","6","1") = "6"
    & skf18("1","1","6","7","5","7","1") = "6"
    & skf18("1","1","6","7","5","8","1") = "7"
    & skf18("1","1","6","7","5","9","1") = "8"
    & skf18("1","1","6","7","5","10","1") = "9"
    & skf18("1","1","6","7","6","1","1") = "6"
    & skf18("1","1","6","7","6","2","1") = "6"
    & skf18("1","1","6","7","6","3","1") = "6"
    & skf18("1","1","6","7","6","4","1") = "6"
    & skf18("1","1","6","7","6","5","1") = "6"
    & skf18("1","1","6","7","6","6","1") = "6"
    & skf18("1","1","6","7","6","7","1") = "6"
    & skf18("1","1","6","7","6","8","1") = "7"
    & skf18("1","1","6","7","6","9","1") = "8"
    & skf18("1","1","6","7","6","10","1") = "9"
    & skf18("1","1","6","7","7","1","1") = "6"
    & skf18("1","1","6","7","7","2","1") = "6"
    & skf18("1","1","6","7","7","3","1") = "6"
    & skf18("1","1","6","7","7","4","1") = "6"
    & skf18("1","1","6","7","7","5","1") = "6"
    & skf18("1","1","6","7","7","6","1") = "6"
    & skf18("1","1","6","7","7","7","1") = "6"
    & skf18("1","1","6","7","7","8","1") = "7"
    & skf18("1","1","6","7","7","9","1") = "8"
    & skf18("1","1","6","7","7","10","1") = "9"
    & skf18("1","1","6","7","8","1","1") = "7"
    & skf18("1","1","6","7","8","2","1") = "7"
    & skf18("1","1","6","7","8","3","1") = "7"
    & skf18("1","1","6","7","8","4","1") = "7"
    & skf18("1","1","6","7","8","5","1") = "7"
    & skf18("1","1","6","7","8","6","1") = "7"
    & skf18("1","1","6","7","8","7","1") = "7"
    & skf18("1","1","6","7","8","8","1") = "7"
    & skf18("1","1","6","7","8","9","1") = "8"
    & skf18("1","1","6","7","8","10","1") = "9"
    & skf18("1","1","6","7","9","1","1") = "8"
    & skf18("1","1","6","7","9","2","1") = "8"
    & skf18("1","1","6","7","9","3","1") = "8"
    & skf18("1","1","6","7","9","4","1") = "8"
    & skf18("1","1","6","7","9","5","1") = "8"
    & skf18("1","1","6","7","9","6","1") = "8"
    & skf18("1","1","6","7","9","7","1") = "8"
    & skf18("1","1","6","7","9","8","1") = "8"
    & skf18("1","1","6","7","9","9","1") = "8"
    & skf18("1","1","6","7","9","10","1") = "9"
    & skf18("1","1","6","7","10","1","1") = "9"
    & skf18("1","1","6","7","10","2","1") = "9"
    & skf18("1","1","6","7","10","3","1") = "9"
    & skf18("1","1","6","7","10","4","1") = "9"
    & skf18("1","1","6","7","10","5","1") = "9"
    & skf18("1","1","6","7","10","6","1") = "9"
    & skf18("1","1","6","7","10","7","1") = "9"
    & skf18("1","1","6","7","10","8","1") = "9"
    & skf18("1","1","6","7","10","9","1") = "9"
    & skf18("1","1","6","7","10","10","1") = "9"
    & skf18("1","1","6","8","1","1","1") = "7"
    & skf18("1","1","6","8","1","2","1") = "7"
    & skf18("1","1","6","8","1","3","1") = "7"
    & skf18("1","1","6","8","1","4","1") = "7"
    & skf18("1","1","6","8","1","5","1") = "7"
    & skf18("1","1","6","8","1","6","1") = "7"
    & skf18("1","1","6","8","1","7","1") = "7"
    & skf18("1","1","6","8","1","8","1") = "7"
    & skf18("1","1","6","8","1","9","1") = "8"
    & skf18("1","1","6","8","1","10","1") = "9"
    & skf18("1","1","6","8","2","1","1") = "7"
    & skf18("1","1","6","8","2","2","1") = "7"
    & skf18("1","1","6","8","2","3","1") = "7"
    & skf18("1","1","6","8","2","4","1") = "7"
    & skf18("1","1","6","8","2","5","1") = "7"
    & skf18("1","1","6","8","2","6","1") = "7"
    & skf18("1","1","6","8","2","7","1") = "7"
    & skf18("1","1","6","8","2","8","1") = "7"
    & skf18("1","1","6","8","2","9","1") = "8"
    & skf18("1","1","6","8","2","10","1") = "9"
    & skf18("1","1","6","8","3","1","1") = "7"
    & skf18("1","1","6","8","3","2","1") = "7"
    & skf18("1","1","6","8","3","3","1") = "7"
    & skf18("1","1","6","8","3","4","1") = "7"
    & skf18("1","1","6","8","3","5","1") = "7"
    & skf18("1","1","6","8","3","6","1") = "7"
    & skf18("1","1","6","8","3","7","1") = "7"
    & skf18("1","1","6","8","3","8","1") = "7"
    & skf18("1","1","6","8","3","9","1") = "8"
    & skf18("1","1","6","8","3","10","1") = "9"
    & skf18("1","1","6","8","4","1","1") = "7"
    & skf18("1","1","6","8","4","2","1") = "7"
    & skf18("1","1","6","8","4","3","1") = "7"
    & skf18("1","1","6","8","4","4","1") = "7"
    & skf18("1","1","6","8","4","5","1") = "7"
    & skf18("1","1","6","8","4","6","1") = "7"
    & skf18("1","1","6","8","4","7","1") = "7"
    & skf18("1","1","6","8","4","8","1") = "7"
    & skf18("1","1","6","8","4","9","1") = "8"
    & skf18("1","1","6","8","4","10","1") = "9"
    & skf18("1","1","6","8","5","1","1") = "7"
    & skf18("1","1","6","8","5","2","1") = "7"
    & skf18("1","1","6","8","5","3","1") = "7"
    & skf18("1","1","6","8","5","4","1") = "7"
    & skf18("1","1","6","8","5","5","1") = "7"
    & skf18("1","1","6","8","5","6","1") = "7"
    & skf18("1","1","6","8","5","7","1") = "7"
    & skf18("1","1","6","8","5","8","1") = "7"
    & skf18("1","1","6","8","5","9","1") = "8"
    & skf18("1","1","6","8","5","10","1") = "9"
    & skf18("1","1","6","8","6","1","1") = "7"
    & skf18("1","1","6","8","6","2","1") = "7"
    & skf18("1","1","6","8","6","3","1") = "7"
    & skf18("1","1","6","8","6","4","1") = "7"
    & skf18("1","1","6","8","6","5","1") = "7"
    & skf18("1","1","6","8","6","6","1") = "7"
    & skf18("1","1","6","8","6","7","1") = "7"
    & skf18("1","1","6","8","6","8","1") = "7"
    & skf18("1","1","6","8","6","9","1") = "8"
    & skf18("1","1","6","8","6","10","1") = "9"
    & skf18("1","1","6","8","7","1","1") = "7"
    & skf18("1","1","6","8","7","2","1") = "7"
    & skf18("1","1","6","8","7","3","1") = "7"
    & skf18("1","1","6","8","7","4","1") = "7"
    & skf18("1","1","6","8","7","5","1") = "7"
    & skf18("1","1","6","8","7","6","1") = "7"
    & skf18("1","1","6","8","7","7","1") = "7"
    & skf18("1","1","6","8","7","8","1") = "7"
    & skf18("1","1","6","8","7","9","1") = "8"
    & skf18("1","1","6","8","7","10","1") = "9"
    & skf18("1","1","6","8","8","1","1") = "7"
    & skf18("1","1","6","8","8","2","1") = "7"
    & skf18("1","1","6","8","8","3","1") = "7"
    & skf18("1","1","6","8","8","4","1") = "7"
    & skf18("1","1","6","8","8","5","1") = "7"
    & skf18("1","1","6","8","8","6","1") = "7"
    & skf18("1","1","6","8","8","7","1") = "7"
    & skf18("1","1","6","8","8","8","1") = "7"
    & skf18("1","1","6","8","8","9","1") = "8"
    & skf18("1","1","6","8","8","10","1") = "9"
    & skf18("1","1","6","8","9","1","1") = "8"
    & skf18("1","1","6","8","9","2","1") = "8"
    & skf18("1","1","6","8","9","3","1") = "8"
    & skf18("1","1","6","8","9","4","1") = "8"
    & skf18("1","1","6","8","9","5","1") = "8"
    & skf18("1","1","6","8","9","6","1") = "8"
    & skf18("1","1","6","8","9","7","1") = "8"
    & skf18("1","1","6","8","9","8","1") = "8"
    & skf18("1","1","6","8","9","9","1") = "8"
    & skf18("1","1","6","8","9","10","1") = "9"
    & skf18("1","1","6","8","10","1","1") = "9"
    & skf18("1","1","6","8","10","2","1") = "9"
    & skf18("1","1","6","8","10","3","1") = "9"
    & skf18("1","1","6","8","10","4","1") = "9"
    & skf18("1","1","6","8","10","5","1") = "9"
    & skf18("1","1","6","8","10","6","1") = "9"
    & skf18("1","1","6","8","10","7","1") = "9"
    & skf18("1","1","6","8","10","8","1") = "9"
    & skf18("1","1","6","8","10","9","1") = "9"
    & skf18("1","1","6","8","10","10","1") = "9"
    & skf18("1","1","6","9","1","1","1") = "8"
    & skf18("1","1","6","9","1","2","1") = "8"
    & skf18("1","1","6","9","1","3","1") = "8"
    & skf18("1","1","6","9","1","4","1") = "8"
    & skf18("1","1","6","9","1","5","1") = "8"
    & skf18("1","1","6","9","1","6","1") = "8"
    & skf18("1","1","6","9","1","7","1") = "8"
    & skf18("1","1","6","9","1","8","1") = "8"
    & skf18("1","1","6","9","1","9","1") = "8"
    & skf18("1","1","6","9","1","10","1") = "9"
    & skf18("1","1","6","9","2","1","1") = "8"
    & skf18("1","1","6","9","2","2","1") = "8"
    & skf18("1","1","6","9","2","3","1") = "8"
    & skf18("1","1","6","9","2","4","1") = "8"
    & skf18("1","1","6","9","2","5","1") = "8"
    & skf18("1","1","6","9","2","6","1") = "8"
    & skf18("1","1","6","9","2","7","1") = "8"
    & skf18("1","1","6","9","2","8","1") = "8"
    & skf18("1","1","6","9","2","9","1") = "8"
    & skf18("1","1","6","9","2","10","1") = "9"
    & skf18("1","1","6","9","3","1","1") = "8"
    & skf18("1","1","6","9","3","2","1") = "8"
    & skf18("1","1","6","9","3","3","1") = "8"
    & skf18("1","1","6","9","3","4","1") = "8"
    & skf18("1","1","6","9","3","5","1") = "8"
    & skf18("1","1","6","9","3","6","1") = "8"
    & skf18("1","1","6","9","3","7","1") = "8"
    & skf18("1","1","6","9","3","8","1") = "8"
    & skf18("1","1","6","9","3","9","1") = "8"
    & skf18("1","1","6","9","3","10","1") = "9"
    & skf18("1","1","6","9","4","1","1") = "8"
    & skf18("1","1","6","9","4","2","1") = "8"
    & skf18("1","1","6","9","4","3","1") = "8"
    & skf18("1","1","6","9","4","4","1") = "8"
    & skf18("1","1","6","9","4","5","1") = "8"
    & skf18("1","1","6","9","4","6","1") = "8"
    & skf18("1","1","6","9","4","7","1") = "8"
    & skf18("1","1","6","9","4","8","1") = "8"
    & skf18("1","1","6","9","4","9","1") = "8"
    & skf18("1","1","6","9","4","10","1") = "9"
    & skf18("1","1","6","9","5","1","1") = "8"
    & skf18("1","1","6","9","5","2","1") = "8"
    & skf18("1","1","6","9","5","3","1") = "8"
    & skf18("1","1","6","9","5","4","1") = "8"
    & skf18("1","1","6","9","5","5","1") = "8"
    & skf18("1","1","6","9","5","6","1") = "8"
    & skf18("1","1","6","9","5","7","1") = "8"
    & skf18("1","1","6","9","5","8","1") = "8"
    & skf18("1","1","6","9","5","9","1") = "8"
    & skf18("1","1","6","9","5","10","1") = "9"
    & skf18("1","1","6","9","6","1","1") = "8"
    & skf18("1","1","6","9","6","2","1") = "8"
    & skf18("1","1","6","9","6","3","1") = "8"
    & skf18("1","1","6","9","6","4","1") = "8"
    & skf18("1","1","6","9","6","5","1") = "8"
    & skf18("1","1","6","9","6","6","1") = "8"
    & skf18("1","1","6","9","6","7","1") = "8"
    & skf18("1","1","6","9","6","8","1") = "8"
    & skf18("1","1","6","9","6","9","1") = "8"
    & skf18("1","1","6","9","6","10","1") = "9"
    & skf18("1","1","6","9","7","1","1") = "8"
    & skf18("1","1","6","9","7","2","1") = "8"
    & skf18("1","1","6","9","7","3","1") = "8"
    & skf18("1","1","6","9","7","4","1") = "8"
    & skf18("1","1","6","9","7","5","1") = "8"
    & skf18("1","1","6","9","7","6","1") = "8"
    & skf18("1","1","6","9","7","7","1") = "8"
    & skf18("1","1","6","9","7","8","1") = "8"
    & skf18("1","1","6","9","7","9","1") = "8"
    & skf18("1","1","6","9","7","10","1") = "9"
    & skf18("1","1","6","9","8","1","1") = "8"
    & skf18("1","1","6","9","8","2","1") = "8"
    & skf18("1","1","6","9","8","3","1") = "8"
    & skf18("1","1","6","9","8","4","1") = "8"
    & skf18("1","1","6","9","8","5","1") = "8"
    & skf18("1","1","6","9","8","6","1") = "8"
    & skf18("1","1","6","9","8","7","1") = "8"
    & skf18("1","1","6","9","8","8","1") = "8"
    & skf18("1","1","6","9","8","9","1") = "8"
    & skf18("1","1","6","9","8","10","1") = "9"
    & skf18("1","1","6","9","9","1","1") = "8"
    & skf18("1","1","6","9","9","2","1") = "8"
    & skf18("1","1","6","9","9","3","1") = "8"
    & skf18("1","1","6","9","9","4","1") = "8"
    & skf18("1","1","6","9","9","5","1") = "8"
    & skf18("1","1","6","9","9","6","1") = "8"
    & skf18("1","1","6","9","9","7","1") = "8"
    & skf18("1","1","6","9","9","8","1") = "8"
    & skf18("1","1","6","9","9","9","1") = "8"
    & skf18("1","1","6","9","9","10","1") = "9"
    & skf18("1","1","6","9","10","1","1") = "9"
    & skf18("1","1","6","9","10","2","1") = "9"
    & skf18("1","1","6","9","10","3","1") = "9"
    & skf18("1","1","6","9","10","4","1") = "9"
    & skf18("1","1","6","9","10","5","1") = "9"
    & skf18("1","1","6","9","10","6","1") = "9"
    & skf18("1","1","6","9","10","7","1") = "9"
    & skf18("1","1","6","9","10","8","1") = "9"
    & skf18("1","1","6","9","10","9","1") = "9"
    & skf18("1","1","6","9","10","10","1") = "9"
    & skf18("1","1","6","10","1","1","1") = "9"
    & skf18("1","1","6","10","1","2","1") = "9"
    & skf18("1","1","6","10","1","3","1") = "9"
    & skf18("1","1","6","10","1","4","1") = "9"
    & skf18("1","1","6","10","1","5","1") = "9"
    & skf18("1","1","6","10","1","6","1") = "9"
    & skf18("1","1","6","10","1","7","1") = "9"
    & skf18("1","1","6","10","1","8","1") = "9"
    & skf18("1","1","6","10","1","9","1") = "9"
    & skf18("1","1","6","10","1","10","1") = "9"
    & skf18("1","1","6","10","2","1","1") = "9"
    & skf18("1","1","6","10","2","2","1") = "9"
    & skf18("1","1","6","10","2","3","1") = "9"
    & skf18("1","1","6","10","2","4","1") = "9"
    & skf18("1","1","6","10","2","5","1") = "9"
    & skf18("1","1","6","10","2","6","1") = "9"
    & skf18("1","1","6","10","2","7","1") = "9"
    & skf18("1","1","6","10","2","8","1") = "9"
    & skf18("1","1","6","10","2","9","1") = "9"
    & skf18("1","1","6","10","2","10","1") = "9"
    & skf18("1","1","6","10","3","1","1") = "9"
    & skf18("1","1","6","10","3","2","1") = "9"
    & skf18("1","1","6","10","3","3","1") = "9"
    & skf18("1","1","6","10","3","4","1") = "9"
    & skf18("1","1","6","10","3","5","1") = "9"
    & skf18("1","1","6","10","3","6","1") = "9"
    & skf18("1","1","6","10","3","7","1") = "9"
    & skf18("1","1","6","10","3","8","1") = "9"
    & skf18("1","1","6","10","3","9","1") = "9"
    & skf18("1","1","6","10","3","10","1") = "9"
    & skf18("1","1","6","10","4","1","1") = "9"
    & skf18("1","1","6","10","4","2","1") = "9"
    & skf18("1","1","6","10","4","3","1") = "9"
    & skf18("1","1","6","10","4","4","1") = "9"
    & skf18("1","1","6","10","4","5","1") = "9"
    & skf18("1","1","6","10","4","6","1") = "9"
    & skf18("1","1","6","10","4","7","1") = "9"
    & skf18("1","1","6","10","4","8","1") = "9"
    & skf18("1","1","6","10","4","9","1") = "9"
    & skf18("1","1","6","10","4","10","1") = "9"
    & skf18("1","1","6","10","5","1","1") = "9"
    & skf18("1","1","6","10","5","2","1") = "9"
    & skf18("1","1","6","10","5","3","1") = "9"
    & skf18("1","1","6","10","5","4","1") = "9"
    & skf18("1","1","6","10","5","5","1") = "9"
    & skf18("1","1","6","10","5","6","1") = "9"
    & skf18("1","1","6","10","5","7","1") = "9"
    & skf18("1","1","6","10","5","8","1") = "9"
    & skf18("1","1","6","10","5","9","1") = "9"
    & skf18("1","1","6","10","5","10","1") = "9"
    & skf18("1","1","6","10","6","1","1") = "9"
    & skf18("1","1","6","10","6","2","1") = "9"
    & skf18("1","1","6","10","6","3","1") = "9"
    & skf18("1","1","6","10","6","4","1") = "9"
    & skf18("1","1","6","10","6","5","1") = "9"
    & skf18("1","1","6","10","6","6","1") = "9"
    & skf18("1","1","6","10","6","7","1") = "9"
    & skf18("1","1","6","10","6","8","1") = "9"
    & skf18("1","1","6","10","6","9","1") = "9"
    & skf18("1","1","6","10","6","10","1") = "9"
    & skf18("1","1","6","10","7","1","1") = "9"
    & skf18("1","1","6","10","7","2","1") = "9"
    & skf18("1","1","6","10","7","3","1") = "9"
    & skf18("1","1","6","10","7","4","1") = "9"
    & skf18("1","1","6","10","7","5","1") = "9"
    & skf18("1","1","6","10","7","6","1") = "9"
    & skf18("1","1","6","10","7","7","1") = "9"
    & skf18("1","1","6","10","7","8","1") = "9"
    & skf18("1","1","6","10","7","9","1") = "9"
    & skf18("1","1","6","10","7","10","1") = "9"
    & skf18("1","1","6","10","8","1","1") = "9"
    & skf18("1","1","6","10","8","2","1") = "9"
    & skf18("1","1","6","10","8","3","1") = "9"
    & skf18("1","1","6","10","8","4","1") = "9"
    & skf18("1","1","6","10","8","5","1") = "9"
    & skf18("1","1","6","10","8","6","1") = "9"
    & skf18("1","1","6","10","8","7","1") = "9"
    & skf18("1","1","6","10","8","8","1") = "9"
    & skf18("1","1","6","10","8","9","1") = "9"
    & skf18("1","1","6","10","8","10","1") = "9"
    & skf18("1","1","6","10","9","1","1") = "9"
    & skf18("1","1","6","10","9","2","1") = "9"
    & skf18("1","1","6","10","9","3","1") = "9"
    & skf18("1","1","6","10","9","4","1") = "9"
    & skf18("1","1","6","10","9","5","1") = "9"
    & skf18("1","1","6","10","9","6","1") = "9"
    & skf18("1","1","6","10","9","7","1") = "9"
    & skf18("1","1","6","10","9","8","1") = "9"
    & skf18("1","1","6","10","9","9","1") = "9"
    & skf18("1","1","6","10","9","10","1") = "9"
    & skf18("1","1","6","10","10","1","1") = "9"
    & skf18("1","1","6","10","10","2","1") = "9"
    & skf18("1","1","6","10","10","3","1") = "9"
    & skf18("1","1","6","10","10","4","1") = "9"
    & skf18("1","1","6","10","10","5","1") = "9"
    & skf18("1","1","6","10","10","6","1") = "9"
    & skf18("1","1","6","10","10","7","1") = "9"
    & skf18("1","1","6","10","10","8","1") = "9"
    & skf18("1","1","6","10","10","9","1") = "9"
    & skf18("1","1","6","10","10","10","1") = "9"
    & skf18("1","1","7","1","1","1","1") = "6"
    & skf18("1","1","7","1","1","2","1") = "6"
    & skf18("1","1","7","1","1","3","1") = "6"
    & skf18("1","1","7","1","1","4","1") = "6"
    & skf18("1","1","7","1","1","5","1") = "6"
    & skf18("1","1","7","1","1","6","1") = "6"
    & skf18("1","1","7","1","1","7","1") = "6"
    & skf18("1","1","7","1","1","8","1") = "7"
    & skf18("1","1","7","1","1","9","1") = "8"
    & skf18("1","1","7","1","1","10","1") = "9"
    & skf18("1","1","7","1","2","1","1") = "6"
    & skf18("1","1","7","1","2","2","1") = "6"
    & skf18("1","1","7","1","2","3","1") = "6"
    & skf18("1","1","7","1","2","4","1") = "6"
    & skf18("1","1","7","1","2","5","1") = "6"
    & skf18("1","1","7","1","2","6","1") = "6"
    & skf18("1","1","7","1","2","7","1") = "6"
    & skf18("1","1","7","1","2","8","1") = "7"
    & skf18("1","1","7","1","2","9","1") = "8"
    & skf18("1","1","7","1","2","10","1") = "9"
    & skf18("1","1","7","1","3","1","1") = "6"
    & skf18("1","1","7","1","3","2","1") = "6"
    & skf18("1","1","7","1","3","3","1") = "6"
    & skf18("1","1","7","1","3","4","1") = "6"
    & skf18("1","1","7","1","3","5","1") = "6"
    & skf18("1","1","7","1","3","6","1") = "6"
    & skf18("1","1","7","1","3","7","1") = "6"
    & skf18("1","1","7","1","3","8","1") = "7"
    & skf18("1","1","7","1","3","9","1") = "8"
    & skf18("1","1","7","1","3","10","1") = "9"
    & skf18("1","1","7","1","4","1","1") = "6"
    & skf18("1","1","7","1","4","2","1") = "6"
    & skf18("1","1","7","1","4","3","1") = "6"
    & skf18("1","1","7","1","4","4","1") = "6"
    & skf18("1","1","7","1","4","5","1") = "6"
    & skf18("1","1","7","1","4","6","1") = "6"
    & skf18("1","1","7","1","4","7","1") = "6"
    & skf18("1","1","7","1","4","8","1") = "7"
    & skf18("1","1","7","1","4","9","1") = "8"
    & skf18("1","1","7","1","4","10","1") = "9"
    & skf18("1","1","7","1","5","1","1") = "6"
    & skf18("1","1","7","1","5","2","1") = "6"
    & skf18("1","1","7","1","5","3","1") = "6"
    & skf18("1","1","7","1","5","4","1") = "6"
    & skf18("1","1","7","1","5","5","1") = "6"
    & skf18("1","1","7","1","5","6","1") = "6"
    & skf18("1","1","7","1","5","7","1") = "6"
    & skf18("1","1","7","1","5","8","1") = "7"
    & skf18("1","1","7","1","5","9","1") = "8"
    & skf18("1","1","7","1","5","10","1") = "9"
    & skf18("1","1","7","1","6","1","1") = "6"
    & skf18("1","1","7","1","6","2","1") = "6"
    & skf18("1","1","7","1","6","3","1") = "6"
    & skf18("1","1","7","1","6","4","1") = "6"
    & skf18("1","1","7","1","6","5","1") = "6"
    & skf18("1","1","7","1","6","6","1") = "6"
    & skf18("1","1","7","1","6","7","1") = "6"
    & skf18("1","1","7","1","6","8","1") = "7"
    & skf18("1","1","7","1","6","9","1") = "8"
    & skf18("1","1","7","1","6","10","1") = "9"
    & skf18("1","1","7","1","7","1","1") = "6"
    & skf18("1","1","7","1","7","2","1") = "6"
    & skf18("1","1","7","1","7","3","1") = "6"
    & skf18("1","1","7","1","7","4","1") = "6"
    & skf18("1","1","7","1","7","5","1") = "6"
    & skf18("1","1","7","1","7","6","1") = "6"
    & skf18("1","1","7","1","7","7","1") = "6"
    & skf18("1","1","7","1","7","8","1") = "7"
    & skf18("1","1","7","1","7","9","1") = "8"
    & skf18("1","1","7","1","7","10","1") = "9"
    & skf18("1","1","7","1","8","1","1") = "7"
    & skf18("1","1","7","1","8","2","1") = "7"
    & skf18("1","1","7","1","8","3","1") = "7"
    & skf18("1","1","7","1","8","4","1") = "7"
    & skf18("1","1","7","1","8","5","1") = "7"
    & skf18("1","1","7","1","8","6","1") = "7"
    & skf18("1","1","7","1","8","7","1") = "7"
    & skf18("1","1","7","1","8","8","1") = "7"
    & skf18("1","1","7","1","8","9","1") = "8"
    & skf18("1","1","7","1","8","10","1") = "9"
    & skf18("1","1","7","1","9","1","1") = "8"
    & skf18("1","1","7","1","9","2","1") = "8"
    & skf18("1","1","7","1","9","3","1") = "8"
    & skf18("1","1","7","1","9","4","1") = "8"
    & skf18("1","1","7","1","9","5","1") = "8"
    & skf18("1","1","7","1","9","6","1") = "8"
    & skf18("1","1","7","1","9","7","1") = "8"
    & skf18("1","1","7","1","9","8","1") = "8"
    & skf18("1","1","7","1","9","9","1") = "8"
    & skf18("1","1","7","1","9","10","1") = "9"
    & skf18("1","1","7","1","10","1","1") = "9"
    & skf18("1","1","7","1","10","2","1") = "9"
    & skf18("1","1","7","1","10","3","1") = "9"
    & skf18("1","1","7","1","10","4","1") = "9"
    & skf18("1","1","7","1","10","5","1") = "9"
    & skf18("1","1","7","1","10","6","1") = "9"
    & skf18("1","1","7","1","10","7","1") = "9"
    & skf18("1","1","7","1","10","8","1") = "9"
    & skf18("1","1","7","1","10","9","1") = "9"
    & skf18("1","1","7","1","10","10","1") = "9"
    & skf18("1","1","7","2","1","1","1") = "6"
    & skf18("1","1","7","2","1","2","1") = "6"
    & skf18("1","1","7","2","1","3","1") = "6"
    & skf18("1","1","7","2","1","4","1") = "6"
    & skf18("1","1","7","2","1","5","1") = "6"
    & skf18("1","1","7","2","1","6","1") = "6"
    & skf18("1","1","7","2","1","7","1") = "6"
    & skf18("1","1","7","2","1","8","1") = "7"
    & skf18("1","1","7","2","1","9","1") = "8"
    & skf18("1","1","7","2","1","10","1") = "9"
    & skf18("1","1","7","2","2","1","1") = "6"
    & skf18("1","1","7","2","2","2","1") = "6"
    & skf18("1","1","7","2","2","3","1") = "6"
    & skf18("1","1","7","2","2","4","1") = "6"
    & skf18("1","1","7","2","2","5","1") = "6"
    & skf18("1","1","7","2","2","6","1") = "6"
    & skf18("1","1","7","2","2","7","1") = "6"
    & skf18("1","1","7","2","2","8","1") = "7"
    & skf18("1","1","7","2","2","9","1") = "8"
    & skf18("1","1","7","2","2","10","1") = "9"
    & skf18("1","1","7","2","3","1","1") = "6"
    & skf18("1","1","7","2","3","2","1") = "6"
    & skf18("1","1","7","2","3","3","1") = "6"
    & skf18("1","1","7","2","3","4","1") = "6"
    & skf18("1","1","7","2","3","5","1") = "6"
    & skf18("1","1","7","2","3","6","1") = "6"
    & skf18("1","1","7","2","3","7","1") = "6"
    & skf18("1","1","7","2","3","8","1") = "7"
    & skf18("1","1","7","2","3","9","1") = "8"
    & skf18("1","1","7","2","3","10","1") = "9"
    & skf18("1","1","7","2","4","1","1") = "6"
    & skf18("1","1","7","2","4","2","1") = "6"
    & skf18("1","1","7","2","4","3","1") = "6"
    & skf18("1","1","7","2","4","4","1") = "6"
    & skf18("1","1","7","2","4","5","1") = "6"
    & skf18("1","1","7","2","4","6","1") = "6"
    & skf18("1","1","7","2","4","7","1") = "6"
    & skf18("1","1","7","2","4","8","1") = "7"
    & skf18("1","1","7","2","4","9","1") = "8"
    & skf18("1","1","7","2","4","10","1") = "9"
    & skf18("1","1","7","2","5","1","1") = "6"
    & skf18("1","1","7","2","5","2","1") = "6"
    & skf18("1","1","7","2","5","3","1") = "6"
    & skf18("1","1","7","2","5","4","1") = "6"
    & skf18("1","1","7","2","5","5","1") = "6"
    & skf18("1","1","7","2","5","6","1") = "6"
    & skf18("1","1","7","2","5","7","1") = "6"
    & skf18("1","1","7","2","5","8","1") = "7"
    & skf18("1","1","7","2","5","9","1") = "8"
    & skf18("1","1","7","2","5","10","1") = "9"
    & skf18("1","1","7","2","6","1","1") = "6"
    & skf18("1","1","7","2","6","2","1") = "6"
    & skf18("1","1","7","2","6","3","1") = "6"
    & skf18("1","1","7","2","6","4","1") = "6"
    & skf18("1","1","7","2","6","5","1") = "6"
    & skf18("1","1","7","2","6","6","1") = "6"
    & skf18("1","1","7","2","6","7","1") = "6"
    & skf18("1","1","7","2","6","8","1") = "7"
    & skf18("1","1","7","2","6","9","1") = "8"
    & skf18("1","1","7","2","6","10","1") = "9"
    & skf18("1","1","7","2","7","1","1") = "6"
    & skf18("1","1","7","2","7","2","1") = "6"
    & skf18("1","1","7","2","7","3","1") = "6"
    & skf18("1","1","7","2","7","4","1") = "6"
    & skf18("1","1","7","2","7","5","1") = "6"
    & skf18("1","1","7","2","7","6","1") = "6"
    & skf18("1","1","7","2","7","7","1") = "6"
    & skf18("1","1","7","2","7","8","1") = "7"
    & skf18("1","1","7","2","7","9","1") = "8"
    & skf18("1","1","7","2","7","10","1") = "9"
    & skf18("1","1","7","2","8","1","1") = "7"
    & skf18("1","1","7","2","8","2","1") = "7"
    & skf18("1","1","7","2","8","3","1") = "7"
    & skf18("1","1","7","2","8","4","1") = "7"
    & skf18("1","1","7","2","8","5","1") = "7"
    & skf18("1","1","7","2","8","6","1") = "7"
    & skf18("1","1","7","2","8","7","1") = "7"
    & skf18("1","1","7","2","8","8","1") = "7"
    & skf18("1","1","7","2","8","9","1") = "8"
    & skf18("1","1","7","2","8","10","1") = "9"
    & skf18("1","1","7","2","9","1","1") = "8"
    & skf18("1","1","7","2","9","2","1") = "8"
    & skf18("1","1","7","2","9","3","1") = "8"
    & skf18("1","1","7","2","9","4","1") = "8"
    & skf18("1","1","7","2","9","5","1") = "8"
    & skf18("1","1","7","2","9","6","1") = "8"
    & skf18("1","1","7","2","9","7","1") = "8"
    & skf18("1","1","7","2","9","8","1") = "8"
    & skf18("1","1","7","2","9","9","1") = "8"
    & skf18("1","1","7","2","9","10","1") = "9"
    & skf18("1","1","7","2","10","1","1") = "9"
    & skf18("1","1","7","2","10","2","1") = "9"
    & skf18("1","1","7","2","10","3","1") = "9"
    & skf18("1","1","7","2","10","4","1") = "9"
    & skf18("1","1","7","2","10","5","1") = "9"
    & skf18("1","1","7","2","10","6","1") = "9"
    & skf18("1","1","7","2","10","7","1") = "9"
    & skf18("1","1","7","2","10","8","1") = "9"
    & skf18("1","1","7","2","10","9","1") = "9"
    & skf18("1","1","7","2","10","10","1") = "9"
    & skf18("1","1","7","3","1","1","1") = "6"
    & skf18("1","1","7","3","1","2","1") = "6"
    & skf18("1","1","7","3","1","3","1") = "6"
    & skf18("1","1","7","3","1","4","1") = "6"
    & skf18("1","1","7","3","1","5","1") = "6"
    & skf18("1","1","7","3","1","6","1") = "6"
    & skf18("1","1","7","3","1","7","1") = "6"
    & skf18("1","1","7","3","1","8","1") = "7"
    & skf18("1","1","7","3","1","9","1") = "8"
    & skf18("1","1","7","3","1","10","1") = "9"
    & skf18("1","1","7","3","2","1","1") = "6"
    & skf18("1","1","7","3","2","2","1") = "6"
    & skf18("1","1","7","3","2","3","1") = "6"
    & skf18("1","1","7","3","2","4","1") = "6"
    & skf18("1","1","7","3","2","5","1") = "6"
    & skf18("1","1","7","3","2","6","1") = "6"
    & skf18("1","1","7","3","2","7","1") = "6"
    & skf18("1","1","7","3","2","8","1") = "7"
    & skf18("1","1","7","3","2","9","1") = "8"
    & skf18("1","1","7","3","2","10","1") = "9"
    & skf18("1","1","7","3","3","1","1") = "6"
    & skf18("1","1","7","3","3","2","1") = "6"
    & skf18("1","1","7","3","3","3","1") = "6"
    & skf18("1","1","7","3","3","4","1") = "6"
    & skf18("1","1","7","3","3","5","1") = "6"
    & skf18("1","1","7","3","3","6","1") = "6"
    & skf18("1","1","7","3","3","7","1") = "6"
    & skf18("1","1","7","3","3","8","1") = "7"
    & skf18("1","1","7","3","3","9","1") = "8"
    & skf18("1","1","7","3","3","10","1") = "9"
    & skf18("1","1","7","3","4","1","1") = "6"
    & skf18("1","1","7","3","4","2","1") = "6"
    & skf18("1","1","7","3","4","3","1") = "6"
    & skf18("1","1","7","3","4","4","1") = "6"
    & skf18("1","1","7","3","4","5","1") = "6"
    & skf18("1","1","7","3","4","6","1") = "6"
    & skf18("1","1","7","3","4","7","1") = "6"
    & skf18("1","1","7","3","4","8","1") = "7"
    & skf18("1","1","7","3","4","9","1") = "8"
    & skf18("1","1","7","3","4","10","1") = "9"
    & skf18("1","1","7","3","5","1","1") = "6"
    & skf18("1","1","7","3","5","2","1") = "6"
    & skf18("1","1","7","3","5","3","1") = "6"
    & skf18("1","1","7","3","5","4","1") = "6"
    & skf18("1","1","7","3","5","5","1") = "6"
    & skf18("1","1","7","3","5","6","1") = "6"
    & skf18("1","1","7","3","5","7","1") = "6"
    & skf18("1","1","7","3","5","8","1") = "7"
    & skf18("1","1","7","3","5","9","1") = "8"
    & skf18("1","1","7","3","5","10","1") = "9"
    & skf18("1","1","7","3","6","1","1") = "6"
    & skf18("1","1","7","3","6","2","1") = "6"
    & skf18("1","1","7","3","6","3","1") = "6"
    & skf18("1","1","7","3","6","4","1") = "6"
    & skf18("1","1","7","3","6","5","1") = "6"
    & skf18("1","1","7","3","6","6","1") = "6"
    & skf18("1","1","7","3","6","7","1") = "6"
    & skf18("1","1","7","3","6","8","1") = "7"
    & skf18("1","1","7","3","6","9","1") = "8"
    & skf18("1","1","7","3","6","10","1") = "9"
    & skf18("1","1","7","3","7","1","1") = "6"
    & skf18("1","1","7","3","7","2","1") = "6"
    & skf18("1","1","7","3","7","3","1") = "6"
    & skf18("1","1","7","3","7","4","1") = "6"
    & skf18("1","1","7","3","7","5","1") = "6"
    & skf18("1","1","7","3","7","6","1") = "6"
    & skf18("1","1","7","3","7","7","1") = "6"
    & skf18("1","1","7","3","7","8","1") = "7"
    & skf18("1","1","7","3","7","9","1") = "8"
    & skf18("1","1","7","3","7","10","1") = "9"
    & skf18("1","1","7","3","8","1","1") = "7"
    & skf18("1","1","7","3","8","2","1") = "7"
    & skf18("1","1","7","3","8","3","1") = "7"
    & skf18("1","1","7","3","8","4","1") = "7"
    & skf18("1","1","7","3","8","5","1") = "7"
    & skf18("1","1","7","3","8","6","1") = "7"
    & skf18("1","1","7","3","8","7","1") = "7"
    & skf18("1","1","7","3","8","8","1") = "7"
    & skf18("1","1","7","3","8","9","1") = "8"
    & skf18("1","1","7","3","8","10","1") = "9"
    & skf18("1","1","7","3","9","1","1") = "8"
    & skf18("1","1","7","3","9","2","1") = "8"
    & skf18("1","1","7","3","9","3","1") = "8"
    & skf18("1","1","7","3","9","4","1") = "8"
    & skf18("1","1","7","3","9","5","1") = "8"
    & skf18("1","1","7","3","9","6","1") = "8"
    & skf18("1","1","7","3","9","7","1") = "8"
    & skf18("1","1","7","3","9","8","1") = "8"
    & skf18("1","1","7","3","9","9","1") = "8"
    & skf18("1","1","7","3","9","10","1") = "9"
    & skf18("1","1","7","3","10","1","1") = "9"
    & skf18("1","1","7","3","10","2","1") = "9"
    & skf18("1","1","7","3","10","3","1") = "9"
    & skf18("1","1","7","3","10","4","1") = "9"
    & skf18("1","1","7","3","10","5","1") = "9"
    & skf18("1","1","7","3","10","6","1") = "9"
    & skf18("1","1","7","3","10","7","1") = "9"
    & skf18("1","1","7","3","10","8","1") = "9"
    & skf18("1","1","7","3","10","9","1") = "9"
    & skf18("1","1","7","3","10","10","1") = "9"
    & skf18("1","1","7","4","1","1","1") = "6"
    & skf18("1","1","7","4","1","2","1") = "6"
    & skf18("1","1","7","4","1","3","1") = "6"
    & skf18("1","1","7","4","1","4","1") = "6"
    & skf18("1","1","7","4","1","5","1") = "6"
    & skf18("1","1","7","4","1","6","1") = "6"
    & skf18("1","1","7","4","1","7","1") = "6"
    & skf18("1","1","7","4","1","8","1") = "7"
    & skf18("1","1","7","4","1","9","1") = "8"
    & skf18("1","1","7","4","1","10","1") = "9"
    & skf18("1","1","7","4","2","1","1") = "6"
    & skf18("1","1","7","4","2","2","1") = "6"
    & skf18("1","1","7","4","2","3","1") = "6"
    & skf18("1","1","7","4","2","4","1") = "6"
    & skf18("1","1","7","4","2","5","1") = "6"
    & skf18("1","1","7","4","2","6","1") = "6"
    & skf18("1","1","7","4","2","7","1") = "6"
    & skf18("1","1","7","4","2","8","1") = "7"
    & skf18("1","1","7","4","2","9","1") = "8"
    & skf18("1","1","7","4","2","10","1") = "9"
    & skf18("1","1","7","4","3","1","1") = "6"
    & skf18("1","1","7","4","3","2","1") = "6"
    & skf18("1","1","7","4","3","3","1") = "6"
    & skf18("1","1","7","4","3","4","1") = "6"
    & skf18("1","1","7","4","3","5","1") = "6"
    & skf18("1","1","7","4","3","6","1") = "6"
    & skf18("1","1","7","4","3","7","1") = "6"
    & skf18("1","1","7","4","3","8","1") = "7"
    & skf18("1","1","7","4","3","9","1") = "8"
    & skf18("1","1","7","4","3","10","1") = "9"
    & skf18("1","1","7","4","4","1","1") = "6"
    & skf18("1","1","7","4","4","2","1") = "6"
    & skf18("1","1","7","4","4","3","1") = "6"
    & skf18("1","1","7","4","4","4","1") = "6"
    & skf18("1","1","7","4","4","5","1") = "6"
    & skf18("1","1","7","4","4","6","1") = "6"
    & skf18("1","1","7","4","4","7","1") = "6"
    & skf18("1","1","7","4","4","8","1") = "7"
    & skf18("1","1","7","4","4","9","1") = "8"
    & skf18("1","1","7","4","4","10","1") = "9"
    & skf18("1","1","7","4","5","1","1") = "6"
    & skf18("1","1","7","4","5","2","1") = "6"
    & skf18("1","1","7","4","5","3","1") = "6"
    & skf18("1","1","7","4","5","4","1") = "6"
    & skf18("1","1","7","4","5","5","1") = "6"
    & skf18("1","1","7","4","5","6","1") = "6"
    & skf18("1","1","7","4","5","7","1") = "6"
    & skf18("1","1","7","4","5","8","1") = "7"
    & skf18("1","1","7","4","5","9","1") = "8"
    & skf18("1","1","7","4","5","10","1") = "9"
    & skf18("1","1","7","4","6","1","1") = "6"
    & skf18("1","1","7","4","6","2","1") = "6"
    & skf18("1","1","7","4","6","3","1") = "6"
    & skf18("1","1","7","4","6","4","1") = "6"
    & skf18("1","1","7","4","6","5","1") = "6"
    & skf18("1","1","7","4","6","6","1") = "6"
    & skf18("1","1","7","4","6","7","1") = "6"
    & skf18("1","1","7","4","6","8","1") = "7"
    & skf18("1","1","7","4","6","9","1") = "8"
    & skf18("1","1","7","4","6","10","1") = "9"
    & skf18("1","1","7","4","7","1","1") = "6"
    & skf18("1","1","7","4","7","2","1") = "6"
    & skf18("1","1","7","4","7","3","1") = "6"
    & skf18("1","1","7","4","7","4","1") = "6"
    & skf18("1","1","7","4","7","5","1") = "6"
    & skf18("1","1","7","4","7","6","1") = "6"
    & skf18("1","1","7","4","7","7","1") = "6"
    & skf18("1","1","7","4","7","8","1") = "7"
    & skf18("1","1","7","4","7","9","1") = "8"
    & skf18("1","1","7","4","7","10","1") = "9"
    & skf18("1","1","7","4","8","1","1") = "7"
    & skf18("1","1","7","4","8","2","1") = "7"
    & skf18("1","1","7","4","8","3","1") = "7"
    & skf18("1","1","7","4","8","4","1") = "7"
    & skf18("1","1","7","4","8","5","1") = "7"
    & skf18("1","1","7","4","8","6","1") = "7"
    & skf18("1","1","7","4","8","7","1") = "7"
    & skf18("1","1","7","4","8","8","1") = "7"
    & skf18("1","1","7","4","8","9","1") = "8"
    & skf18("1","1","7","4","8","10","1") = "9"
    & skf18("1","1","7","4","9","1","1") = "8"
    & skf18("1","1","7","4","9","2","1") = "8"
    & skf18("1","1","7","4","9","3","1") = "8"
    & skf18("1","1","7","4","9","4","1") = "8"
    & skf18("1","1","7","4","9","5","1") = "8"
    & skf18("1","1","7","4","9","6","1") = "8"
    & skf18("1","1","7","4","9","7","1") = "8"
    & skf18("1","1","7","4","9","8","1") = "8"
    & skf18("1","1","7","4","9","9","1") = "8"
    & skf18("1","1","7","4","9","10","1") = "9"
    & skf18("1","1","7","4","10","1","1") = "9"
    & skf18("1","1","7","4","10","2","1") = "9"
    & skf18("1","1","7","4","10","3","1") = "9"
    & skf18("1","1","7","4","10","4","1") = "9"
    & skf18("1","1","7","4","10","5","1") = "9"
    & skf18("1","1","7","4","10","6","1") = "9"
    & skf18("1","1","7","4","10","7","1") = "9"
    & skf18("1","1","7","4","10","8","1") = "9"
    & skf18("1","1","7","4","10","9","1") = "9"
    & skf18("1","1","7","4","10","10","1") = "9"
    & skf18("1","1","7","5","1","1","1") = "6"
    & skf18("1","1","7","5","1","2","1") = "6"
    & skf18("1","1","7","5","1","3","1") = "6"
    & skf18("1","1","7","5","1","4","1") = "6"
    & skf18("1","1","7","5","1","5","1") = "6"
    & skf18("1","1","7","5","1","6","1") = "6"
    & skf18("1","1","7","5","1","7","1") = "6"
    & skf18("1","1","7","5","1","8","1") = "7"
    & skf18("1","1","7","5","1","9","1") = "8"
    & skf18("1","1","7","5","1","10","1") = "9"
    & skf18("1","1","7","5","2","1","1") = "6"
    & skf18("1","1","7","5","2","2","1") = "6"
    & skf18("1","1","7","5","2","3","1") = "6"
    & skf18("1","1","7","5","2","4","1") = "6"
    & skf18("1","1","7","5","2","5","1") = "6"
    & skf18("1","1","7","5","2","6","1") = "6"
    & skf18("1","1","7","5","2","7","1") = "6"
    & skf18("1","1","7","5","2","8","1") = "7"
    & skf18("1","1","7","5","2","9","1") = "8"
    & skf18("1","1","7","5","2","10","1") = "9"
    & skf18("1","1","7","5","3","1","1") = "6"
    & skf18("1","1","7","5","3","2","1") = "6"
    & skf18("1","1","7","5","3","3","1") = "6"
    & skf18("1","1","7","5","3","4","1") = "6"
    & skf18("1","1","7","5","3","5","1") = "6"
    & skf18("1","1","7","5","3","6","1") = "6"
    & skf18("1","1","7","5","3","7","1") = "6"
    & skf18("1","1","7","5","3","8","1") = "7"
    & skf18("1","1","7","5","3","9","1") = "8"
    & skf18("1","1","7","5","3","10","1") = "9"
    & skf18("1","1","7","5","4","1","1") = "6"
    & skf18("1","1","7","5","4","2","1") = "6"
    & skf18("1","1","7","5","4","3","1") = "6"
    & skf18("1","1","7","5","4","4","1") = "6"
    & skf18("1","1","7","5","4","5","1") = "6"
    & skf18("1","1","7","5","4","6","1") = "6"
    & skf18("1","1","7","5","4","7","1") = "6"
    & skf18("1","1","7","5","4","8","1") = "7"
    & skf18("1","1","7","5","4","9","1") = "8"
    & skf18("1","1","7","5","4","10","1") = "9"
    & skf18("1","1","7","5","5","1","1") = "6"
    & skf18("1","1","7","5","5","2","1") = "6"
    & skf18("1","1","7","5","5","3","1") = "6"
    & skf18("1","1","7","5","5","4","1") = "6"
    & skf18("1","1","7","5","5","5","1") = "6"
    & skf18("1","1","7","5","5","6","1") = "6"
    & skf18("1","1","7","5","5","7","1") = "6"
    & skf18("1","1","7","5","5","8","1") = "7"
    & skf18("1","1","7","5","5","9","1") = "8"
    & skf18("1","1","7","5","5","10","1") = "9"
    & skf18("1","1","7","5","6","1","1") = "6"
    & skf18("1","1","7","5","6","2","1") = "6"
    & skf18("1","1","7","5","6","3","1") = "6"
    & skf18("1","1","7","5","6","4","1") = "6"
    & skf18("1","1","7","5","6","5","1") = "6"
    & skf18("1","1","7","5","6","6","1") = "6"
    & skf18("1","1","7","5","6","7","1") = "6"
    & skf18("1","1","7","5","6","8","1") = "7"
    & skf18("1","1","7","5","6","9","1") = "8"
    & skf18("1","1","7","5","6","10","1") = "9"
    & skf18("1","1","7","5","7","1","1") = "6"
    & skf18("1","1","7","5","7","2","1") = "6"
    & skf18("1","1","7","5","7","3","1") = "6"
    & skf18("1","1","7","5","7","4","1") = "6"
    & skf18("1","1","7","5","7","5","1") = "6"
    & skf18("1","1","7","5","7","6","1") = "6"
    & skf18("1","1","7","5","7","7","1") = "6"
    & skf18("1","1","7","5","7","8","1") = "7"
    & skf18("1","1","7","5","7","9","1") = "8"
    & skf18("1","1","7","5","7","10","1") = "9"
    & skf18("1","1","7","5","8","1","1") = "7"
    & skf18("1","1","7","5","8","2","1") = "7"
    & skf18("1","1","7","5","8","3","1") = "7"
    & skf18("1","1","7","5","8","4","1") = "7"
    & skf18("1","1","7","5","8","5","1") = "7"
    & skf18("1","1","7","5","8","6","1") = "7"
    & skf18("1","1","7","5","8","7","1") = "7"
    & skf18("1","1","7","5","8","8","1") = "7"
    & skf18("1","1","7","5","8","9","1") = "8"
    & skf18("1","1","7","5","8","10","1") = "9"
    & skf18("1","1","7","5","9","1","1") = "8"
    & skf18("1","1","7","5","9","2","1") = "8"
    & skf18("1","1","7","5","9","3","1") = "8"
    & skf18("1","1","7","5","9","4","1") = "8"
    & skf18("1","1","7","5","9","5","1") = "8"
    & skf18("1","1","7","5","9","6","1") = "8"
    & skf18("1","1","7","5","9","7","1") = "8"
    & skf18("1","1","7","5","9","8","1") = "8"
    & skf18("1","1","7","5","9","9","1") = "8"
    & skf18("1","1","7","5","9","10","1") = "9"
    & skf18("1","1","7","5","10","1","1") = "9"
    & skf18("1","1","7","5","10","2","1") = "9"
    & skf18("1","1","7","5","10","3","1") = "9"
    & skf18("1","1","7","5","10","4","1") = "9"
    & skf18("1","1","7","5","10","5","1") = "9"
    & skf18("1","1","7","5","10","6","1") = "9"
    & skf18("1","1","7","5","10","7","1") = "9"
    & skf18("1","1","7","5","10","8","1") = "9"
    & skf18("1","1","7","5","10","9","1") = "9"
    & skf18("1","1","7","5","10","10","1") = "9"
    & skf18("1","1","7","6","1","1","1") = "6"
    & skf18("1","1","7","6","1","2","1") = "6"
    & skf18("1","1","7","6","1","3","1") = "6"
    & skf18("1","1","7","6","1","4","1") = "6"
    & skf18("1","1","7","6","1","5","1") = "6"
    & skf18("1","1","7","6","1","6","1") = "6"
    & skf18("1","1","7","6","1","7","1") = "6"
    & skf18("1","1","7","6","1","8","1") = "7"
    & skf18("1","1","7","6","1","9","1") = "8"
    & skf18("1","1","7","6","1","10","1") = "9"
    & skf18("1","1","7","6","2","1","1") = "6"
    & skf18("1","1","7","6","2","2","1") = "6"
    & skf18("1","1","7","6","2","3","1") = "6"
    & skf18("1","1","7","6","2","4","1") = "6"
    & skf18("1","1","7","6","2","5","1") = "6"
    & skf18("1","1","7","6","2","6","1") = "6"
    & skf18("1","1","7","6","2","7","1") = "6"
    & skf18("1","1","7","6","2","8","1") = "7"
    & skf18("1","1","7","6","2","9","1") = "8"
    & skf18("1","1","7","6","2","10","1") = "9"
    & skf18("1","1","7","6","3","1","1") = "6"
    & skf18("1","1","7","6","3","2","1") = "6"
    & skf18("1","1","7","6","3","3","1") = "6"
    & skf18("1","1","7","6","3","4","1") = "6"
    & skf18("1","1","7","6","3","5","1") = "6"
    & skf18("1","1","7","6","3","6","1") = "6"
    & skf18("1","1","7","6","3","7","1") = "6"
    & skf18("1","1","7","6","3","8","1") = "7"
    & skf18("1","1","7","6","3","9","1") = "8"
    & skf18("1","1","7","6","3","10","1") = "9"
    & skf18("1","1","7","6","4","1","1") = "6"
    & skf18("1","1","7","6","4","2","1") = "6"
    & skf18("1","1","7","6","4","3","1") = "6"
    & skf18("1","1","7","6","4","4","1") = "6"
    & skf18("1","1","7","6","4","5","1") = "6"
    & skf18("1","1","7","6","4","6","1") = "6"
    & skf18("1","1","7","6","4","7","1") = "6"
    & skf18("1","1","7","6","4","8","1") = "7"
    & skf18("1","1","7","6","4","9","1") = "8"
    & skf18("1","1","7","6","4","10","1") = "9"
    & skf18("1","1","7","6","5","1","1") = "6"
    & skf18("1","1","7","6","5","2","1") = "6"
    & skf18("1","1","7","6","5","3","1") = "6"
    & skf18("1","1","7","6","5","4","1") = "6"
    & skf18("1","1","7","6","5","5","1") = "6"
    & skf18("1","1","7","6","5","6","1") = "6"
    & skf18("1","1","7","6","5","7","1") = "6"
    & skf18("1","1","7","6","5","8","1") = "7"
    & skf18("1","1","7","6","5","9","1") = "8"
    & skf18("1","1","7","6","5","10","1") = "9"
    & skf18("1","1","7","6","6","1","1") = "6"
    & skf18("1","1","7","6","6","2","1") = "6"
    & skf18("1","1","7","6","6","3","1") = "6"
    & skf18("1","1","7","6","6","4","1") = "6"
    & skf18("1","1","7","6","6","5","1") = "6"
    & skf18("1","1","7","6","6","6","1") = "6"
    & skf18("1","1","7","6","6","7","1") = "6"
    & skf18("1","1","7","6","6","8","1") = "7"
    & skf18("1","1","7","6","6","9","1") = "8"
    & skf18("1","1","7","6","6","10","1") = "9"
    & skf18("1","1","7","6","7","1","1") = "6"
    & skf18("1","1","7","6","7","2","1") = "6"
    & skf18("1","1","7","6","7","3","1") = "6"
    & skf18("1","1","7","6","7","4","1") = "6"
    & skf18("1","1","7","6","7","5","1") = "6"
    & skf18("1","1","7","6","7","6","1") = "6"
    & skf18("1","1","7","6","7","7","1") = "6"
    & skf18("1","1","7","6","7","8","1") = "7"
    & skf18("1","1","7","6","7","9","1") = "8"
    & skf18("1","1","7","6","7","10","1") = "9"
    & skf18("1","1","7","6","8","1","1") = "7"
    & skf18("1","1","7","6","8","2","1") = "7"
    & skf18("1","1","7","6","8","3","1") = "7"
    & skf18("1","1","7","6","8","4","1") = "7"
    & skf18("1","1","7","6","8","5","1") = "7"
    & skf18("1","1","7","6","8","6","1") = "7"
    & skf18("1","1","7","6","8","7","1") = "7"
    & skf18("1","1","7","6","8","8","1") = "7"
    & skf18("1","1","7","6","8","9","1") = "8"
    & skf18("1","1","7","6","8","10","1") = "9"
    & skf18("1","1","7","6","9","1","1") = "8"
    & skf18("1","1","7","6","9","2","1") = "8"
    & skf18("1","1","7","6","9","3","1") = "8"
    & skf18("1","1","7","6","9","4","1") = "8"
    & skf18("1","1","7","6","9","5","1") = "8"
    & skf18("1","1","7","6","9","6","1") = "8"
    & skf18("1","1","7","6","9","7","1") = "8"
    & skf18("1","1","7","6","9","8","1") = "8"
    & skf18("1","1","7","6","9","9","1") = "8"
    & skf18("1","1","7","6","9","10","1") = "9"
    & skf18("1","1","7","6","10","1","1") = "9"
    & skf18("1","1","7","6","10","2","1") = "9"
    & skf18("1","1","7","6","10","3","1") = "9"
    & skf18("1","1","7","6","10","4","1") = "9"
    & skf18("1","1","7","6","10","5","1") = "9"
    & skf18("1","1","7","6","10","6","1") = "9"
    & skf18("1","1","7","6","10","7","1") = "9"
    & skf18("1","1","7","6","10","8","1") = "9"
    & skf18("1","1","7","6","10","9","1") = "9"
    & skf18("1","1","7","6","10","10","1") = "9"
    & skf18("1","1","7","7","1","1","1") = "6"
    & skf18("1","1","7","7","1","2","1") = "6"
    & skf18("1","1","7","7","1","3","1") = "6"
    & skf18("1","1","7","7","1","4","1") = "6"
    & skf18("1","1","7","7","1","5","1") = "6"
    & skf18("1","1","7","7","1","6","1") = "6"
    & skf18("1","1","7","7","1","7","1") = "6"
    & skf18("1","1","7","7","1","8","1") = "7"
    & skf18("1","1","7","7","1","9","1") = "8"
    & skf18("1","1","7","7","1","10","1") = "9"
    & skf18("1","1","7","7","2","1","1") = "6"
    & skf18("1","1","7","7","2","2","1") = "6"
    & skf18("1","1","7","7","2","3","1") = "6"
    & skf18("1","1","7","7","2","4","1") = "6"
    & skf18("1","1","7","7","2","5","1") = "6"
    & skf18("1","1","7","7","2","6","1") = "6"
    & skf18("1","1","7","7","2","7","1") = "6"
    & skf18("1","1","7","7","2","8","1") = "7"
    & skf18("1","1","7","7","2","9","1") = "8"
    & skf18("1","1","7","7","2","10","1") = "9"
    & skf18("1","1","7","7","3","1","1") = "6"
    & skf18("1","1","7","7","3","2","1") = "6"
    & skf18("1","1","7","7","3","3","1") = "6"
    & skf18("1","1","7","7","3","4","1") = "6"
    & skf18("1","1","7","7","3","5","1") = "6"
    & skf18("1","1","7","7","3","6","1") = "6"
    & skf18("1","1","7","7","3","7","1") = "6"
    & skf18("1","1","7","7","3","8","1") = "7"
    & skf18("1","1","7","7","3","9","1") = "8"
    & skf18("1","1","7","7","3","10","1") = "9"
    & skf18("1","1","7","7","4","1","1") = "6"
    & skf18("1","1","7","7","4","2","1") = "6"
    & skf18("1","1","7","7","4","3","1") = "6"
    & skf18("1","1","7","7","4","4","1") = "6"
    & skf18("1","1","7","7","4","5","1") = "6"
    & skf18("1","1","7","7","4","6","1") = "6"
    & skf18("1","1","7","7","4","7","1") = "6"
    & skf18("1","1","7","7","4","8","1") = "7"
    & skf18("1","1","7","7","4","9","1") = "8"
    & skf18("1","1","7","7","4","10","1") = "9"
    & skf18("1","1","7","7","5","1","1") = "6"
    & skf18("1","1","7","7","5","2","1") = "6"
    & skf18("1","1","7","7","5","3","1") = "6"
    & skf18("1","1","7","7","5","4","1") = "6"
    & skf18("1","1","7","7","5","5","1") = "6"
    & skf18("1","1","7","7","5","6","1") = "6"
    & skf18("1","1","7","7","5","7","1") = "6"
    & skf18("1","1","7","7","5","8","1") = "7"
    & skf18("1","1","7","7","5","9","1") = "8"
    & skf18("1","1","7","7","5","10","1") = "9"
    & skf18("1","1","7","7","6","1","1") = "6"
    & skf18("1","1","7","7","6","2","1") = "6"
    & skf18("1","1","7","7","6","3","1") = "6"
    & skf18("1","1","7","7","6","4","1") = "6"
    & skf18("1","1","7","7","6","5","1") = "6"
    & skf18("1","1","7","7","6","6","1") = "6"
    & skf18("1","1","7","7","6","7","1") = "6"
    & skf18("1","1","7","7","6","8","1") = "7"
    & skf18("1","1","7","7","6","9","1") = "8"
    & skf18("1","1","7","7","6","10","1") = "9"
    & skf18("1","1","7","7","7","1","1") = "6"
    & skf18("1","1","7","7","7","2","1") = "6"
    & skf18("1","1","7","7","7","3","1") = "6"
    & skf18("1","1","7","7","7","4","1") = "6"
    & skf18("1","1","7","7","7","5","1") = "6"
    & skf18("1","1","7","7","7","6","1") = "6"
    & skf18("1","1","7","7","7","7","1") = "6"
    & skf18("1","1","7","7","7","8","1") = "7"
    & skf18("1","1","7","7","7","9","1") = "8"
    & skf18("1","1","7","7","7","10","1") = "9"
    & skf18("1","1","7","7","8","1","1") = "7"
    & skf18("1","1","7","7","8","2","1") = "7"
    & skf18("1","1","7","7","8","3","1") = "7"
    & skf18("1","1","7","7","8","4","1") = "7"
    & skf18("1","1","7","7","8","5","1") = "7"
    & skf18("1","1","7","7","8","6","1") = "7"
    & skf18("1","1","7","7","8","7","1") = "7"
    & skf18("1","1","7","7","8","8","1") = "7"
    & skf18("1","1","7","7","8","9","1") = "8"
    & skf18("1","1","7","7","8","10","1") = "9"
    & skf18("1","1","7","7","9","1","1") = "8"
    & skf18("1","1","7","7","9","2","1") = "8"
    & skf18("1","1","7","7","9","3","1") = "8"
    & skf18("1","1","7","7","9","4","1") = "8"
    & skf18("1","1","7","7","9","5","1") = "8"
    & skf18("1","1","7","7","9","6","1") = "8"
    & skf18("1","1","7","7","9","7","1") = "8"
    & skf18("1","1","7","7","9","8","1") = "8"
    & skf18("1","1","7","7","9","9","1") = "8"
    & skf18("1","1","7","7","9","10","1") = "9"
    & skf18("1","1","7","7","10","1","1") = "9"
    & skf18("1","1","7","7","10","2","1") = "9"
    & skf18("1","1","7","7","10","3","1") = "9"
    & skf18("1","1","7","7","10","4","1") = "9"
    & skf18("1","1","7","7","10","5","1") = "9"
    & skf18("1","1","7","7","10","6","1") = "9"
    & skf18("1","1","7","7","10","7","1") = "9"
    & skf18("1","1","7","7","10","8","1") = "9"
    & skf18("1","1","7","7","10","9","1") = "9"
    & skf18("1","1","7","7","10","10","1") = "9"
    & skf18("1","1","7","8","1","1","1") = "7"
    & skf18("1","1","7","8","1","2","1") = "7"
    & skf18("1","1","7","8","1","3","1") = "7"
    & skf18("1","1","7","8","1","4","1") = "7"
    & skf18("1","1","7","8","1","5","1") = "7"
    & skf18("1","1","7","8","1","6","1") = "7"
    & skf18("1","1","7","8","1","7","1") = "7"
    & skf18("1","1","7","8","1","8","1") = "7"
    & skf18("1","1","7","8","1","9","1") = "8"
    & skf18("1","1","7","8","1","10","1") = "9"
    & skf18("1","1","7","8","2","1","1") = "7"
    & skf18("1","1","7","8","2","2","1") = "7"
    & skf18("1","1","7","8","2","3","1") = "7"
    & skf18("1","1","7","8","2","4","1") = "7"
    & skf18("1","1","7","8","2","5","1") = "7"
    & skf18("1","1","7","8","2","6","1") = "7"
    & skf18("1","1","7","8","2","7","1") = "7"
    & skf18("1","1","7","8","2","8","1") = "7"
    & skf18("1","1","7","8","2","9","1") = "8"
    & skf18("1","1","7","8","2","10","1") = "9"
    & skf18("1","1","7","8","3","1","1") = "7"
    & skf18("1","1","7","8","3","2","1") = "7"
    & skf18("1","1","7","8","3","3","1") = "7"
    & skf18("1","1","7","8","3","4","1") = "7"
    & skf18("1","1","7","8","3","5","1") = "7"
    & skf18("1","1","7","8","3","6","1") = "7"
    & skf18("1","1","7","8","3","7","1") = "7"
    & skf18("1","1","7","8","3","8","1") = "7"
    & skf18("1","1","7","8","3","9","1") = "8"
    & skf18("1","1","7","8","3","10","1") = "9"
    & skf18("1","1","7","8","4","1","1") = "7"
    & skf18("1","1","7","8","4","2","1") = "7"
    & skf18("1","1","7","8","4","3","1") = "7"
    & skf18("1","1","7","8","4","4","1") = "7"
    & skf18("1","1","7","8","4","5","1") = "7"
    & skf18("1","1","7","8","4","6","1") = "7"
    & skf18("1","1","7","8","4","7","1") = "7"
    & skf18("1","1","7","8","4","8","1") = "7"
    & skf18("1","1","7","8","4","9","1") = "8"
    & skf18("1","1","7","8","4","10","1") = "9"
    & skf18("1","1","7","8","5","1","1") = "7"
    & skf18("1","1","7","8","5","2","1") = "7"
    & skf18("1","1","7","8","5","3","1") = "7"
    & skf18("1","1","7","8","5","4","1") = "7"
    & skf18("1","1","7","8","5","5","1") = "7"
    & skf18("1","1","7","8","5","6","1") = "7"
    & skf18("1","1","7","8","5","7","1") = "7"
    & skf18("1","1","7","8","5","8","1") = "7"
    & skf18("1","1","7","8","5","9","1") = "8"
    & skf18("1","1","7","8","5","10","1") = "9"
    & skf18("1","1","7","8","6","1","1") = "7"
    & skf18("1","1","7","8","6","2","1") = "7"
    & skf18("1","1","7","8","6","3","1") = "7"
    & skf18("1","1","7","8","6","4","1") = "7"
    & skf18("1","1","7","8","6","5","1") = "7"
    & skf18("1","1","7","8","6","6","1") = "7"
    & skf18("1","1","7","8","6","7","1") = "7"
    & skf18("1","1","7","8","6","8","1") = "7"
    & skf18("1","1","7","8","6","9","1") = "8"
    & skf18("1","1","7","8","6","10","1") = "9"
    & skf18("1","1","7","8","7","1","1") = "7"
    & skf18("1","1","7","8","7","2","1") = "7"
    & skf18("1","1","7","8","7","3","1") = "7"
    & skf18("1","1","7","8","7","4","1") = "7"
    & skf18("1","1","7","8","7","5","1") = "7"
    & skf18("1","1","7","8","7","6","1") = "7"
    & skf18("1","1","7","8","7","7","1") = "7"
    & skf18("1","1","7","8","7","8","1") = "7"
    & skf18("1","1","7","8","7","9","1") = "8"
    & skf18("1","1","7","8","7","10","1") = "9"
    & skf18("1","1","7","8","8","1","1") = "7"
    & skf18("1","1","7","8","8","2","1") = "7"
    & skf18("1","1","7","8","8","3","1") = "7"
    & skf18("1","1","7","8","8","4","1") = "7"
    & skf18("1","1","7","8","8","5","1") = "7"
    & skf18("1","1","7","8","8","6","1") = "7"
    & skf18("1","1","7","8","8","7","1") = "7"
    & skf18("1","1","7","8","8","8","1") = "7"
    & skf18("1","1","7","8","8","9","1") = "8"
    & skf18("1","1","7","8","8","10","1") = "9"
    & skf18("1","1","7","8","9","1","1") = "8"
    & skf18("1","1","7","8","9","2","1") = "8"
    & skf18("1","1","7","8","9","3","1") = "8"
    & skf18("1","1","7","8","9","4","1") = "8"
    & skf18("1","1","7","8","9","5","1") = "8"
    & skf18("1","1","7","8","9","6","1") = "8"
    & skf18("1","1","7","8","9","7","1") = "8"
    & skf18("1","1","7","8","9","8","1") = "8"
    & skf18("1","1","7","8","9","9","1") = "8"
    & skf18("1","1","7","8","9","10","1") = "9"
    & skf18("1","1","7","8","10","1","1") = "9"
    & skf18("1","1","7","8","10","2","1") = "9"
    & skf18("1","1","7","8","10","3","1") = "9"
    & skf18("1","1","7","8","10","4","1") = "9"
    & skf18("1","1","7","8","10","5","1") = "9"
    & skf18("1","1","7","8","10","6","1") = "9"
    & skf18("1","1","7","8","10","7","1") = "9"
    & skf18("1","1","7","8","10","8","1") = "9"
    & skf18("1","1","7","8","10","9","1") = "9"
    & skf18("1","1","7","8","10","10","1") = "9"
    & skf18("1","1","7","9","1","1","1") = "8"
    & skf18("1","1","7","9","1","2","1") = "8"
    & skf18("1","1","7","9","1","3","1") = "8"
    & skf18("1","1","7","9","1","4","1") = "8"
    & skf18("1","1","7","9","1","5","1") = "8"
    & skf18("1","1","7","9","1","6","1") = "8"
    & skf18("1","1","7","9","1","7","1") = "8"
    & skf18("1","1","7","9","1","8","1") = "8"
    & skf18("1","1","7","9","1","9","1") = "8"
    & skf18("1","1","7","9","1","10","1") = "9"
    & skf18("1","1","7","9","2","1","1") = "8"
    & skf18("1","1","7","9","2","2","1") = "8"
    & skf18("1","1","7","9","2","3","1") = "8"
    & skf18("1","1","7","9","2","4","1") = "8"
    & skf18("1","1","7","9","2","5","1") = "8"
    & skf18("1","1","7","9","2","6","1") = "8"
    & skf18("1","1","7","9","2","7","1") = "8"
    & skf18("1","1","7","9","2","8","1") = "8"
    & skf18("1","1","7","9","2","9","1") = "8"
    & skf18("1","1","7","9","2","10","1") = "9"
    & skf18("1","1","7","9","3","1","1") = "8"
    & skf18("1","1","7","9","3","2","1") = "8"
    & skf18("1","1","7","9","3","3","1") = "8"
    & skf18("1","1","7","9","3","4","1") = "8"
    & skf18("1","1","7","9","3","5","1") = "8"
    & skf18("1","1","7","9","3","6","1") = "8"
    & skf18("1","1","7","9","3","7","1") = "8"
    & skf18("1","1","7","9","3","8","1") = "8"
    & skf18("1","1","7","9","3","9","1") = "8"
    & skf18("1","1","7","9","3","10","1") = "9"
    & skf18("1","1","7","9","4","1","1") = "8"
    & skf18("1","1","7","9","4","2","1") = "8"
    & skf18("1","1","7","9","4","3","1") = "8"
    & skf18("1","1","7","9","4","4","1") = "8"
    & skf18("1","1","7","9","4","5","1") = "8"
    & skf18("1","1","7","9","4","6","1") = "8"
    & skf18("1","1","7","9","4","7","1") = "8"
    & skf18("1","1","7","9","4","8","1") = "8"
    & skf18("1","1","7","9","4","9","1") = "8"
    & skf18("1","1","7","9","4","10","1") = "9"
    & skf18("1","1","7","9","5","1","1") = "8"
    & skf18("1","1","7","9","5","2","1") = "8"
    & skf18("1","1","7","9","5","3","1") = "8"
    & skf18("1","1","7","9","5","4","1") = "8"
    & skf18("1","1","7","9","5","5","1") = "8"
    & skf18("1","1","7","9","5","6","1") = "8"
    & skf18("1","1","7","9","5","7","1") = "8"
    & skf18("1","1","7","9","5","8","1") = "8"
    & skf18("1","1","7","9","5","9","1") = "8"
    & skf18("1","1","7","9","5","10","1") = "9"
    & skf18("1","1","7","9","6","1","1") = "8"
    & skf18("1","1","7","9","6","2","1") = "8"
    & skf18("1","1","7","9","6","3","1") = "8"
    & skf18("1","1","7","9","6","4","1") = "8"
    & skf18("1","1","7","9","6","5","1") = "8"
    & skf18("1","1","7","9","6","6","1") = "8"
    & skf18("1","1","7","9","6","7","1") = "8"
    & skf18("1","1","7","9","6","8","1") = "8"
    & skf18("1","1","7","9","6","9","1") = "8"
    & skf18("1","1","7","9","6","10","1") = "9"
    & skf18("1","1","7","9","7","1","1") = "8"
    & skf18("1","1","7","9","7","2","1") = "8"
    & skf18("1","1","7","9","7","3","1") = "8"
    & skf18("1","1","7","9","7","4","1") = "8"
    & skf18("1","1","7","9","7","5","1") = "8"
    & skf18("1","1","7","9","7","6","1") = "8"
    & skf18("1","1","7","9","7","7","1") = "8"
    & skf18("1","1","7","9","7","8","1") = "8"
    & skf18("1","1","7","9","7","9","1") = "8"
    & skf18("1","1","7","9","7","10","1") = "9"
    & skf18("1","1","7","9","8","1","1") = "8"
    & skf18("1","1","7","9","8","2","1") = "8"
    & skf18("1","1","7","9","8","3","1") = "8"
    & skf18("1","1","7","9","8","4","1") = "8"
    & skf18("1","1","7","9","8","5","1") = "8"
    & skf18("1","1","7","9","8","6","1") = "8"
    & skf18("1","1","7","9","8","7","1") = "8"
    & skf18("1","1","7","9","8","8","1") = "8"
    & skf18("1","1","7","9","8","9","1") = "8"
    & skf18("1","1","7","9","8","10","1") = "9"
    & skf18("1","1","7","9","9","1","1") = "8"
    & skf18("1","1","7","9","9","2","1") = "8"
    & skf18("1","1","7","9","9","3","1") = "8"
    & skf18("1","1","7","9","9","4","1") = "8"
    & skf18("1","1","7","9","9","5","1") = "8"
    & skf18("1","1","7","9","9","6","1") = "8"
    & skf18("1","1","7","9","9","7","1") = "8"
    & skf18("1","1","7","9","9","8","1") = "8"
    & skf18("1","1","7","9","9","9","1") = "8"
    & skf18("1","1","7","9","9","10","1") = "9"
    & skf18("1","1","7","9","10","1","1") = "9"
    & skf18("1","1","7","9","10","2","1") = "9"
    & skf18("1","1","7","9","10","3","1") = "9"
    & skf18("1","1","7","9","10","4","1") = "9"
    & skf18("1","1","7","9","10","5","1") = "9"
    & skf18("1","1","7","9","10","6","1") = "9"
    & skf18("1","1","7","9","10","7","1") = "9"
    & skf18("1","1","7","9","10","8","1") = "9"
    & skf18("1","1","7","9","10","9","1") = "9"
    & skf18("1","1","7","9","10","10","1") = "9"
    & skf18("1","1","7","10","1","1","1") = "9"
    & skf18("1","1","7","10","1","2","1") = "9"
    & skf18("1","1","7","10","1","3","1") = "9"
    & skf18("1","1","7","10","1","4","1") = "9"
    & skf18("1","1","7","10","1","5","1") = "9"
    & skf18("1","1","7","10","1","6","1") = "9"
    & skf18("1","1","7","10","1","7","1") = "9"
    & skf18("1","1","7","10","1","8","1") = "9"
    & skf18("1","1","7","10","1","9","1") = "9"
    & skf18("1","1","7","10","1","10","1") = "9"
    & skf18("1","1","7","10","2","1","1") = "9"
    & skf18("1","1","7","10","2","2","1") = "9"
    & skf18("1","1","7","10","2","3","1") = "9"
    & skf18("1","1","7","10","2","4","1") = "9"
    & skf18("1","1","7","10","2","5","1") = "9"
    & skf18("1","1","7","10","2","6","1") = "9"
    & skf18("1","1","7","10","2","7","1") = "9"
    & skf18("1","1","7","10","2","8","1") = "9"
    & skf18("1","1","7","10","2","9","1") = "9"
    & skf18("1","1","7","10","2","10","1") = "9"
    & skf18("1","1","7","10","3","1","1") = "9"
    & skf18("1","1","7","10","3","2","1") = "9"
    & skf18("1","1","7","10","3","3","1") = "9"
    & skf18("1","1","7","10","3","4","1") = "9"
    & skf18("1","1","7","10","3","5","1") = "9"
    & skf18("1","1","7","10","3","6","1") = "9"
    & skf18("1","1","7","10","3","7","1") = "9"
    & skf18("1","1","7","10","3","8","1") = "9"
    & skf18("1","1","7","10","3","9","1") = "9"
    & skf18("1","1","7","10","3","10","1") = "9"
    & skf18("1","1","7","10","4","1","1") = "9"
    & skf18("1","1","7","10","4","2","1") = "9"
    & skf18("1","1","7","10","4","3","1") = "9"
    & skf18("1","1","7","10","4","4","1") = "9"
    & skf18("1","1","7","10","4","5","1") = "9"
    & skf18("1","1","7","10","4","6","1") = "9"
    & skf18("1","1","7","10","4","7","1") = "9"
    & skf18("1","1","7","10","4","8","1") = "9"
    & skf18("1","1","7","10","4","9","1") = "9"
    & skf18("1","1","7","10","4","10","1") = "9"
    & skf18("1","1","7","10","5","1","1") = "9"
    & skf18("1","1","7","10","5","2","1") = "9"
    & skf18("1","1","7","10","5","3","1") = "9"
    & skf18("1","1","7","10","5","4","1") = "9"
    & skf18("1","1","7","10","5","5","1") = "9"
    & skf18("1","1","7","10","5","6","1") = "9"
    & skf18("1","1","7","10","5","7","1") = "9"
    & skf18("1","1","7","10","5","8","1") = "9"
    & skf18("1","1","7","10","5","9","1") = "9"
    & skf18("1","1","7","10","5","10","1") = "9"
    & skf18("1","1","7","10","6","1","1") = "9"
    & skf18("1","1","7","10","6","2","1") = "9"
    & skf18("1","1","7","10","6","3","1") = "9"
    & skf18("1","1","7","10","6","4","1") = "9"
    & skf18("1","1","7","10","6","5","1") = "9"
    & skf18("1","1","7","10","6","6","1") = "9"
    & skf18("1","1","7","10","6","7","1") = "9"
    & skf18("1","1","7","10","6","8","1") = "9"
    & skf18("1","1","7","10","6","9","1") = "9"
    & skf18("1","1","7","10","6","10","1") = "9"
    & skf18("1","1","7","10","7","1","1") = "9"
    & skf18("1","1","7","10","7","2","1") = "9"
    & skf18("1","1","7","10","7","3","1") = "9"
    & skf18("1","1","7","10","7","4","1") = "9"
    & skf18("1","1","7","10","7","5","1") = "9"
    & skf18("1","1","7","10","7","6","1") = "9"
    & skf18("1","1","7","10","7","7","1") = "9"
    & skf18("1","1","7","10","7","8","1") = "9"
    & skf18("1","1","7","10","7","9","1") = "9"
    & skf18("1","1","7","10","7","10","1") = "9"
    & skf18("1","1","7","10","8","1","1") = "9"
    & skf18("1","1","7","10","8","2","1") = "9"
    & skf18("1","1","7","10","8","3","1") = "9"
    & skf18("1","1","7","10","8","4","1") = "9"
    & skf18("1","1","7","10","8","5","1") = "9"
    & skf18("1","1","7","10","8","6","1") = "9"
    & skf18("1","1","7","10","8","7","1") = "9"
    & skf18("1","1","7","10","8","8","1") = "9"
    & skf18("1","1","7","10","8","9","1") = "9"
    & skf18("1","1","7","10","8","10","1") = "9"
    & skf18("1","1","7","10","9","1","1") = "9"
    & skf18("1","1","7","10","9","2","1") = "9"
    & skf18("1","1","7","10","9","3","1") = "9"
    & skf18("1","1","7","10","9","4","1") = "9"
    & skf18("1","1","7","10","9","5","1") = "9"
    & skf18("1","1","7","10","9","6","1") = "9"
    & skf18("1","1","7","10","9","7","1") = "9"
    & skf18("1","1","7","10","9","8","1") = "9"
    & skf18("1","1","7","10","9","9","1") = "9"
    & skf18("1","1","7","10","9","10","1") = "9"
    & skf18("1","1","7","10","10","1","1") = "9"
    & skf18("1","1","7","10","10","2","1") = "9"
    & skf18("1","1","7","10","10","3","1") = "9"
    & skf18("1","1","7","10","10","4","1") = "9"
    & skf18("1","1","7","10","10","5","1") = "9"
    & skf18("1","1","7","10","10","6","1") = "9"
    & skf18("1","1","7","10","10","7","1") = "9"
    & skf18("1","1","7","10","10","8","1") = "9"
    & skf18("1","1","7","10","10","9","1") = "9"
    & skf18("1","1","7","10","10","10","1") = "9"
    & skf18("1","1","8","1","1","1","1") = "7"
    & skf18("1","1","8","1","1","2","1") = "7"
    & skf18("1","1","8","1","1","3","1") = "7"
    & skf18("1","1","8","1","1","4","1") = "7"
    & skf18("1","1","8","1","1","5","1") = "7"
    & skf18("1","1","8","1","1","6","1") = "7"
    & skf18("1","1","8","1","1","7","1") = "7"
    & skf18("1","1","8","1","1","8","1") = "7"
    & skf18("1","1","8","1","1","9","1") = "8"
    & skf18("1","1","8","1","1","10","1") = "9"
    & skf18("1","1","8","1","2","1","1") = "7"
    & skf18("1","1","8","1","2","2","1") = "7"
    & skf18("1","1","8","1","2","3","1") = "7"
    & skf18("1","1","8","1","2","4","1") = "7"
    & skf18("1","1","8","1","2","5","1") = "7"
    & skf18("1","1","8","1","2","6","1") = "7"
    & skf18("1","1","8","1","2","7","1") = "7"
    & skf18("1","1","8","1","2","8","1") = "7"
    & skf18("1","1","8","1","2","9","1") = "8"
    & skf18("1","1","8","1","2","10","1") = "9"
    & skf18("1","1","8","1","3","1","1") = "7"
    & skf18("1","1","8","1","3","2","1") = "7"
    & skf18("1","1","8","1","3","3","1") = "7"
    & skf18("1","1","8","1","3","4","1") = "7"
    & skf18("1","1","8","1","3","5","1") = "7"
    & skf18("1","1","8","1","3","6","1") = "7"
    & skf18("1","1","8","1","3","7","1") = "7"
    & skf18("1","1","8","1","3","8","1") = "7"
    & skf18("1","1","8","1","3","9","1") = "8"
    & skf18("1","1","8","1","3","10","1") = "9"
    & skf18("1","1","8","1","4","1","1") = "7"
    & skf18("1","1","8","1","4","2","1") = "7"
    & skf18("1","1","8","1","4","3","1") = "7"
    & skf18("1","1","8","1","4","4","1") = "7"
    & skf18("1","1","8","1","4","5","1") = "7"
    & skf18("1","1","8","1","4","6","1") = "7"
    & skf18("1","1","8","1","4","7","1") = "7"
    & skf18("1","1","8","1","4","8","1") = "7"
    & skf18("1","1","8","1","4","9","1") = "8"
    & skf18("1","1","8","1","4","10","1") = "9"
    & skf18("1","1","8","1","5","1","1") = "7"
    & skf18("1","1","8","1","5","2","1") = "7"
    & skf18("1","1","8","1","5","3","1") = "7"
    & skf18("1","1","8","1","5","4","1") = "7"
    & skf18("1","1","8","1","5","5","1") = "7"
    & skf18("1","1","8","1","5","6","1") = "7"
    & skf18("1","1","8","1","5","7","1") = "7"
    & skf18("1","1","8","1","5","8","1") = "7"
    & skf18("1","1","8","1","5","9","1") = "8"
    & skf18("1","1","8","1","5","10","1") = "9"
    & skf18("1","1","8","1","6","1","1") = "7"
    & skf18("1","1","8","1","6","2","1") = "7"
    & skf18("1","1","8","1","6","3","1") = "7"
    & skf18("1","1","8","1","6","4","1") = "7"
    & skf18("1","1","8","1","6","5","1") = "7"
    & skf18("1","1","8","1","6","6","1") = "7"
    & skf18("1","1","8","1","6","7","1") = "7"
    & skf18("1","1","8","1","6","8","1") = "7"
    & skf18("1","1","8","1","6","9","1") = "8"
    & skf18("1","1","8","1","6","10","1") = "9"
    & skf18("1","1","8","1","7","1","1") = "7"
    & skf18("1","1","8","1","7","2","1") = "7"
    & skf18("1","1","8","1","7","3","1") = "7"
    & skf18("1","1","8","1","7","4","1") = "7"
    & skf18("1","1","8","1","7","5","1") = "7"
    & skf18("1","1","8","1","7","6","1") = "7"
    & skf18("1","1","8","1","7","7","1") = "7"
    & skf18("1","1","8","1","7","8","1") = "7"
    & skf18("1","1","8","1","7","9","1") = "8"
    & skf18("1","1","8","1","7","10","1") = "9"
    & skf18("1","1","8","1","8","1","1") = "7"
    & skf18("1","1","8","1","8","2","1") = "7"
    & skf18("1","1","8","1","8","3","1") = "7"
    & skf18("1","1","8","1","8","4","1") = "7"
    & skf18("1","1","8","1","8","5","1") = "7"
    & skf18("1","1","8","1","8","6","1") = "7"
    & skf18("1","1","8","1","8","7","1") = "7"
    & skf18("1","1","8","1","8","8","1") = "7"
    & skf18("1","1","8","1","8","9","1") = "8"
    & skf18("1","1","8","1","8","10","1") = "9"
    & skf18("1","1","8","1","9","1","1") = "8"
    & skf18("1","1","8","1","9","2","1") = "8"
    & skf18("1","1","8","1","9","3","1") = "8"
    & skf18("1","1","8","1","9","4","1") = "8"
    & skf18("1","1","8","1","9","5","1") = "8"
    & skf18("1","1","8","1","9","6","1") = "8"
    & skf18("1","1","8","1","9","7","1") = "8"
    & skf18("1","1","8","1","9","8","1") = "8"
    & skf18("1","1","8","1","9","9","1") = "8"
    & skf18("1","1","8","1","9","10","1") = "9"
    & skf18("1","1","8","1","10","1","1") = "9"
    & skf18("1","1","8","1","10","2","1") = "9"
    & skf18("1","1","8","1","10","3","1") = "9"
    & skf18("1","1","8","1","10","4","1") = "9"
    & skf18("1","1","8","1","10","5","1") = "9"
    & skf18("1","1","8","1","10","6","1") = "9"
    & skf18("1","1","8","1","10","7","1") = "9"
    & skf18("1","1","8","1","10","8","1") = "9"
    & skf18("1","1","8","1","10","9","1") = "9"
    & skf18("1","1","8","1","10","10","1") = "9"
    & skf18("1","1","8","2","1","1","1") = "7"
    & skf18("1","1","8","2","1","2","1") = "7"
    & skf18("1","1","8","2","1","3","1") = "7"
    & skf18("1","1","8","2","1","4","1") = "7"
    & skf18("1","1","8","2","1","5","1") = "7"
    & skf18("1","1","8","2","1","6","1") = "7"
    & skf18("1","1","8","2","1","7","1") = "7"
    & skf18("1","1","8","2","1","8","1") = "7"
    & skf18("1","1","8","2","1","9","1") = "8"
    & skf18("1","1","8","2","1","10","1") = "9"
    & skf18("1","1","8","2","2","1","1") = "7"
    & skf18("1","1","8","2","2","2","1") = "7"
    & skf18("1","1","8","2","2","3","1") = "7"
    & skf18("1","1","8","2","2","4","1") = "7"
    & skf18("1","1","8","2","2","5","1") = "7"
    & skf18("1","1","8","2","2","6","1") = "7"
    & skf18("1","1","8","2","2","7","1") = "7"
    & skf18("1","1","8","2","2","8","1") = "7"
    & skf18("1","1","8","2","2","9","1") = "8"
    & skf18("1","1","8","2","2","10","1") = "9"
    & skf18("1","1","8","2","3","1","1") = "7"
    & skf18("1","1","8","2","3","2","1") = "7"
    & skf18("1","1","8","2","3","3","1") = "7"
    & skf18("1","1","8","2","3","4","1") = "7"
    & skf18("1","1","8","2","3","5","1") = "7"
    & skf18("1","1","8","2","3","6","1") = "7"
    & skf18("1","1","8","2","3","7","1") = "7"
    & skf18("1","1","8","2","3","8","1") = "7"
    & skf18("1","1","8","2","3","9","1") = "8"
    & skf18("1","1","8","2","3","10","1") = "9"
    & skf18("1","1","8","2","4","1","1") = "7"
    & skf18("1","1","8","2","4","2","1") = "7"
    & skf18("1","1","8","2","4","3","1") = "7"
    & skf18("1","1","8","2","4","4","1") = "7"
    & skf18("1","1","8","2","4","5","1") = "7"
    & skf18("1","1","8","2","4","6","1") = "7"
    & skf18("1","1","8","2","4","7","1") = "7"
    & skf18("1","1","8","2","4","8","1") = "7"
    & skf18("1","1","8","2","4","9","1") = "8"
    & skf18("1","1","8","2","4","10","1") = "9"
    & skf18("1","1","8","2","5","1","1") = "7"
    & skf18("1","1","8","2","5","2","1") = "7"
    & skf18("1","1","8","2","5","3","1") = "7"
    & skf18("1","1","8","2","5","4","1") = "7"
    & skf18("1","1","8","2","5","5","1") = "7"
    & skf18("1","1","8","2","5","6","1") = "7"
    & skf18("1","1","8","2","5","7","1") = "7"
    & skf18("1","1","8","2","5","8","1") = "7"
    & skf18("1","1","8","2","5","9","1") = "8"
    & skf18("1","1","8","2","5","10","1") = "9"
    & skf18("1","1","8","2","6","1","1") = "7"
    & skf18("1","1","8","2","6","2","1") = "7"
    & skf18("1","1","8","2","6","3","1") = "7"
    & skf18("1","1","8","2","6","4","1") = "7"
    & skf18("1","1","8","2","6","5","1") = "7"
    & skf18("1","1","8","2","6","6","1") = "7"
    & skf18("1","1","8","2","6","7","1") = "7"
    & skf18("1","1","8","2","6","8","1") = "7"
    & skf18("1","1","8","2","6","9","1") = "8"
    & skf18("1","1","8","2","6","10","1") = "9"
    & skf18("1","1","8","2","7","1","1") = "7"
    & skf18("1","1","8","2","7","2","1") = "7"
    & skf18("1","1","8","2","7","3","1") = "7"
    & skf18("1","1","8","2","7","4","1") = "7"
    & skf18("1","1","8","2","7","5","1") = "7"
    & skf18("1","1","8","2","7","6","1") = "7"
    & skf18("1","1","8","2","7","7","1") = "7"
    & skf18("1","1","8","2","7","8","1") = "7"
    & skf18("1","1","8","2","7","9","1") = "8"
    & skf18("1","1","8","2","7","10","1") = "9"
    & skf18("1","1","8","2","8","1","1") = "7"
    & skf18("1","1","8","2","8","2","1") = "7"
    & skf18("1","1","8","2","8","3","1") = "7"
    & skf18("1","1","8","2","8","4","1") = "7"
    & skf18("1","1","8","2","8","5","1") = "7"
    & skf18("1","1","8","2","8","6","1") = "7"
    & skf18("1","1","8","2","8","7","1") = "7"
    & skf18("1","1","8","2","8","8","1") = "7"
    & skf18("1","1","8","2","8","9","1") = "8"
    & skf18("1","1","8","2","8","10","1") = "9"
    & skf18("1","1","8","2","9","1","1") = "8"
    & skf18("1","1","8","2","9","2","1") = "8"
    & skf18("1","1","8","2","9","3","1") = "8"
    & skf18("1","1","8","2","9","4","1") = "8"
    & skf18("1","1","8","2","9","5","1") = "8"
    & skf18("1","1","8","2","9","6","1") = "8"
    & skf18("1","1","8","2","9","7","1") = "8"
    & skf18("1","1","8","2","9","8","1") = "8"
    & skf18("1","1","8","2","9","9","1") = "8"
    & skf18("1","1","8","2","9","10","1") = "9"
    & skf18("1","1","8","2","10","1","1") = "9"
    & skf18("1","1","8","2","10","2","1") = "9"
    & skf18("1","1","8","2","10","3","1") = "9"
    & skf18("1","1","8","2","10","4","1") = "9"
    & skf18("1","1","8","2","10","5","1") = "9"
    & skf18("1","1","8","2","10","6","1") = "9"
    & skf18("1","1","8","2","10","7","1") = "9"
    & skf18("1","1","8","2","10","8","1") = "9"
    & skf18("1","1","8","2","10","9","1") = "9"
    & skf18("1","1","8","2","10","10","1") = "9"
    & skf18("1","1","8","3","1","1","1") = "7"
    & skf18("1","1","8","3","1","2","1") = "7"
    & skf18("1","1","8","3","1","3","1") = "7"
    & skf18("1","1","8","3","1","4","1") = "7"
    & skf18("1","1","8","3","1","5","1") = "7"
    & skf18("1","1","8","3","1","6","1") = "7"
    & skf18("1","1","8","3","1","7","1") = "7"
    & skf18("1","1","8","3","1","8","1") = "7"
    & skf18("1","1","8","3","1","9","1") = "8"
    & skf18("1","1","8","3","1","10","1") = "9"
    & skf18("1","1","8","3","2","1","1") = "7"
    & skf18("1","1","8","3","2","2","1") = "7"
    & skf18("1","1","8","3","2","3","1") = "7"
    & skf18("1","1","8","3","2","4","1") = "7"
    & skf18("1","1","8","3","2","5","1") = "7"
    & skf18("1","1","8","3","2","6","1") = "7"
    & skf18("1","1","8","3","2","7","1") = "7"
    & skf18("1","1","8","3","2","8","1") = "7"
    & skf18("1","1","8","3","2","9","1") = "8"
    & skf18("1","1","8","3","2","10","1") = "9"
    & skf18("1","1","8","3","3","1","1") = "7"
    & skf18("1","1","8","3","3","2","1") = "7"
    & skf18("1","1","8","3","3","3","1") = "7"
    & skf18("1","1","8","3","3","4","1") = "7"
    & skf18("1","1","8","3","3","5","1") = "7"
    & skf18("1","1","8","3","3","6","1") = "7"
    & skf18("1","1","8","3","3","7","1") = "7"
    & skf18("1","1","8","3","3","8","1") = "7"
    & skf18("1","1","8","3","3","9","1") = "8"
    & skf18("1","1","8","3","3","10","1") = "9"
    & skf18("1","1","8","3","4","1","1") = "7"
    & skf18("1","1","8","3","4","2","1") = "7"
    & skf18("1","1","8","3","4","3","1") = "7"
    & skf18("1","1","8","3","4","4","1") = "7"
    & skf18("1","1","8","3","4","5","1") = "7"
    & skf18("1","1","8","3","4","6","1") = "7"
    & skf18("1","1","8","3","4","7","1") = "7"
    & skf18("1","1","8","3","4","8","1") = "7"
    & skf18("1","1","8","3","4","9","1") = "8"
    & skf18("1","1","8","3","4","10","1") = "9"
    & skf18("1","1","8","3","5","1","1") = "7"
    & skf18("1","1","8","3","5","2","1") = "7"
    & skf18("1","1","8","3","5","3","1") = "7"
    & skf18("1","1","8","3","5","4","1") = "7"
    & skf18("1","1","8","3","5","5","1") = "7"
    & skf18("1","1","8","3","5","6","1") = "7"
    & skf18("1","1","8","3","5","7","1") = "7"
    & skf18("1","1","8","3","5","8","1") = "7"
    & skf18("1","1","8","3","5","9","1") = "8"
    & skf18("1","1","8","3","5","10","1") = "9"
    & skf18("1","1","8","3","6","1","1") = "7"
    & skf18("1","1","8","3","6","2","1") = "7"
    & skf18("1","1","8","3","6","3","1") = "7"
    & skf18("1","1","8","3","6","4","1") = "7"
    & skf18("1","1","8","3","6","5","1") = "7"
    & skf18("1","1","8","3","6","6","1") = "7"
    & skf18("1","1","8","3","6","7","1") = "7"
    & skf18("1","1","8","3","6","8","1") = "7"
    & skf18("1","1","8","3","6","9","1") = "8"
    & skf18("1","1","8","3","6","10","1") = "9"
    & skf18("1","1","8","3","7","1","1") = "7"
    & skf18("1","1","8","3","7","2","1") = "7"
    & skf18("1","1","8","3","7","3","1") = "7"
    & skf18("1","1","8","3","7","4","1") = "7"
    & skf18("1","1","8","3","7","5","1") = "7"
    & skf18("1","1","8","3","7","6","1") = "7"
    & skf18("1","1","8","3","7","7","1") = "7"
    & skf18("1","1","8","3","7","8","1") = "7"
    & skf18("1","1","8","3","7","9","1") = "8"
    & skf18("1","1","8","3","7","10","1") = "9"
    & skf18("1","1","8","3","8","1","1") = "7"
    & skf18("1","1","8","3","8","2","1") = "7"
    & skf18("1","1","8","3","8","3","1") = "7"
    & skf18("1","1","8","3","8","4","1") = "7"
    & skf18("1","1","8","3","8","5","1") = "7"
    & skf18("1","1","8","3","8","6","1") = "7"
    & skf18("1","1","8","3","8","7","1") = "7"
    & skf18("1","1","8","3","8","8","1") = "7"
    & skf18("1","1","8","3","8","9","1") = "8"
    & skf18("1","1","8","3","8","10","1") = "9"
    & skf18("1","1","8","3","9","1","1") = "8"
    & skf18("1","1","8","3","9","2","1") = "8"
    & skf18("1","1","8","3","9","3","1") = "8"
    & skf18("1","1","8","3","9","4","1") = "8"
    & skf18("1","1","8","3","9","5","1") = "8"
    & skf18("1","1","8","3","9","6","1") = "8"
    & skf18("1","1","8","3","9","7","1") = "8"
    & skf18("1","1","8","3","9","8","1") = "8"
    & skf18("1","1","8","3","9","9","1") = "8"
    & skf18("1","1","8","3","9","10","1") = "9"
    & skf18("1","1","8","3","10","1","1") = "9"
    & skf18("1","1","8","3","10","2","1") = "9"
    & skf18("1","1","8","3","10","3","1") = "9"
    & skf18("1","1","8","3","10","4","1") = "9"
    & skf18("1","1","8","3","10","5","1") = "9"
    & skf18("1","1","8","3","10","6","1") = "9"
    & skf18("1","1","8","3","10","7","1") = "9"
    & skf18("1","1","8","3","10","8","1") = "9"
    & skf18("1","1","8","3","10","9","1") = "9"
    & skf18("1","1","8","3","10","10","1") = "9"
    & skf18("1","1","8","4","1","1","1") = "7"
    & skf18("1","1","8","4","1","2","1") = "7"
    & skf18("1","1","8","4","1","3","1") = "7"
    & skf18("1","1","8","4","1","4","1") = "7"
    & skf18("1","1","8","4","1","5","1") = "7"
    & skf18("1","1","8","4","1","6","1") = "7"
    & skf18("1","1","8","4","1","7","1") = "7"
    & skf18("1","1","8","4","1","8","1") = "7"
    & skf18("1","1","8","4","1","9","1") = "8"
    & skf18("1","1","8","4","1","10","1") = "9"
    & skf18("1","1","8","4","2","1","1") = "7"
    & skf18("1","1","8","4","2","2","1") = "7"
    & skf18("1","1","8","4","2","3","1") = "7"
    & skf18("1","1","8","4","2","4","1") = "7"
    & skf18("1","1","8","4","2","5","1") = "7"
    & skf18("1","1","8","4","2","6","1") = "7"
    & skf18("1","1","8","4","2","7","1") = "7"
    & skf18("1","1","8","4","2","8","1") = "7"
    & skf18("1","1","8","4","2","9","1") = "8"
    & skf18("1","1","8","4","2","10","1") = "9"
    & skf18("1","1","8","4","3","1","1") = "7"
    & skf18("1","1","8","4","3","2","1") = "7"
    & skf18("1","1","8","4","3","3","1") = "7"
    & skf18("1","1","8","4","3","4","1") = "7"
    & skf18("1","1","8","4","3","5","1") = "7"
    & skf18("1","1","8","4","3","6","1") = "7"
    & skf18("1","1","8","4","3","7","1") = "7"
    & skf18("1","1","8","4","3","8","1") = "7"
    & skf18("1","1","8","4","3","9","1") = "8"
    & skf18("1","1","8","4","3","10","1") = "9"
    & skf18("1","1","8","4","4","1","1") = "7"
    & skf18("1","1","8","4","4","2","1") = "7"
    & skf18("1","1","8","4","4","3","1") = "7"
    & skf18("1","1","8","4","4","4","1") = "7"
    & skf18("1","1","8","4","4","5","1") = "7"
    & skf18("1","1","8","4","4","6","1") = "7"
    & skf18("1","1","8","4","4","7","1") = "7"
    & skf18("1","1","8","4","4","8","1") = "7"
    & skf18("1","1","8","4","4","9","1") = "8"
    & skf18("1","1","8","4","4","10","1") = "9"
    & skf18("1","1","8","4","5","1","1") = "7"
    & skf18("1","1","8","4","5","2","1") = "7"
    & skf18("1","1","8","4","5","3","1") = "7"
    & skf18("1","1","8","4","5","4","1") = "7"
    & skf18("1","1","8","4","5","5","1") = "7"
    & skf18("1","1","8","4","5","6","1") = "7"
    & skf18("1","1","8","4","5","7","1") = "7"
    & skf18("1","1","8","4","5","8","1") = "7"
    & skf18("1","1","8","4","5","9","1") = "8"
    & skf18("1","1","8","4","5","10","1") = "9"
    & skf18("1","1","8","4","6","1","1") = "7"
    & skf18("1","1","8","4","6","2","1") = "7"
    & skf18("1","1","8","4","6","3","1") = "7"
    & skf18("1","1","8","4","6","4","1") = "7"
    & skf18("1","1","8","4","6","5","1") = "7"
    & skf18("1","1","8","4","6","6","1") = "7"
    & skf18("1","1","8","4","6","7","1") = "7"
    & skf18("1","1","8","4","6","8","1") = "7"
    & skf18("1","1","8","4","6","9","1") = "8"
    & skf18("1","1","8","4","6","10","1") = "9"
    & skf18("1","1","8","4","7","1","1") = "7"
    & skf18("1","1","8","4","7","2","1") = "7"
    & skf18("1","1","8","4","7","3","1") = "7"
    & skf18("1","1","8","4","7","4","1") = "7"
    & skf18("1","1","8","4","7","5","1") = "7"
    & skf18("1","1","8","4","7","6","1") = "7"
    & skf18("1","1","8","4","7","7","1") = "7"
    & skf18("1","1","8","4","7","8","1") = "7"
    & skf18("1","1","8","4","7","9","1") = "8"
    & skf18("1","1","8","4","7","10","1") = "9"
    & skf18("1","1","8","4","8","1","1") = "7"
    & skf18("1","1","8","4","8","2","1") = "7"
    & skf18("1","1","8","4","8","3","1") = "7"
    & skf18("1","1","8","4","8","4","1") = "7"
    & skf18("1","1","8","4","8","5","1") = "7"
    & skf18("1","1","8","4","8","6","1") = "7"
    & skf18("1","1","8","4","8","7","1") = "7"
    & skf18("1","1","8","4","8","8","1") = "7"
    & skf18("1","1","8","4","8","9","1") = "8"
    & skf18("1","1","8","4","8","10","1") = "9"
    & skf18("1","1","8","4","9","1","1") = "8"
    & skf18("1","1","8","4","9","2","1") = "8"
    & skf18("1","1","8","4","9","3","1") = "8"
    & skf18("1","1","8","4","9","4","1") = "8"
    & skf18("1","1","8","4","9","5","1") = "8"
    & skf18("1","1","8","4","9","6","1") = "8"
    & skf18("1","1","8","4","9","7","1") = "8"
    & skf18("1","1","8","4","9","8","1") = "8"
    & skf18("1","1","8","4","9","9","1") = "8"
    & skf18("1","1","8","4","9","10","1") = "9"
    & skf18("1","1","8","4","10","1","1") = "9"
    & skf18("1","1","8","4","10","2","1") = "9"
    & skf18("1","1","8","4","10","3","1") = "9"
    & skf18("1","1","8","4","10","4","1") = "9"
    & skf18("1","1","8","4","10","5","1") = "9"
    & skf18("1","1","8","4","10","6","1") = "9"
    & skf18("1","1","8","4","10","7","1") = "9"
    & skf18("1","1","8","4","10","8","1") = "9"
    & skf18("1","1","8","4","10","9","1") = "9"
    & skf18("1","1","8","4","10","10","1") = "9"
    & skf18("1","1","8","5","1","1","1") = "7"
    & skf18("1","1","8","5","1","2","1") = "7"
    & skf18("1","1","8","5","1","3","1") = "7"
    & skf18("1","1","8","5","1","4","1") = "7"
    & skf18("1","1","8","5","1","5","1") = "7"
    & skf18("1","1","8","5","1","6","1") = "7"
    & skf18("1","1","8","5","1","7","1") = "7"
    & skf18("1","1","8","5","1","8","1") = "7"
    & skf18("1","1","8","5","1","9","1") = "8"
    & skf18("1","1","8","5","1","10","1") = "9"
    & skf18("1","1","8","5","2","1","1") = "7"
    & skf18("1","1","8","5","2","2","1") = "7"
    & skf18("1","1","8","5","2","3","1") = "7"
    & skf18("1","1","8","5","2","4","1") = "7"
    & skf18("1","1","8","5","2","5","1") = "7"
    & skf18("1","1","8","5","2","6","1") = "7"
    & skf18("1","1","8","5","2","7","1") = "7"
    & skf18("1","1","8","5","2","8","1") = "7"
    & skf18("1","1","8","5","2","9","1") = "8"
    & skf18("1","1","8","5","2","10","1") = "9"
    & skf18("1","1","8","5","3","1","1") = "7"
    & skf18("1","1","8","5","3","2","1") = "7"
    & skf18("1","1","8","5","3","3","1") = "7"
    & skf18("1","1","8","5","3","4","1") = "7"
    & skf18("1","1","8","5","3","5","1") = "7"
    & skf18("1","1","8","5","3","6","1") = "7"
    & skf18("1","1","8","5","3","7","1") = "7"
    & skf18("1","1","8","5","3","8","1") = "7"
    & skf18("1","1","8","5","3","9","1") = "8"
    & skf18("1","1","8","5","3","10","1") = "9"
    & skf18("1","1","8","5","4","1","1") = "7"
    & skf18("1","1","8","5","4","2","1") = "7"
    & skf18("1","1","8","5","4","3","1") = "7"
    & skf18("1","1","8","5","4","4","1") = "7"
    & skf18("1","1","8","5","4","5","1") = "7"
    & skf18("1","1","8","5","4","6","1") = "7"
    & skf18("1","1","8","5","4","7","1") = "7"
    & skf18("1","1","8","5","4","8","1") = "7"
    & skf18("1","1","8","5","4","9","1") = "8"
    & skf18("1","1","8","5","4","10","1") = "9"
    & skf18("1","1","8","5","5","1","1") = "7"
    & skf18("1","1","8","5","5","2","1") = "7"
    & skf18("1","1","8","5","5","3","1") = "7"
    & skf18("1","1","8","5","5","4","1") = "7"
    & skf18("1","1","8","5","5","5","1") = "7"
    & skf18("1","1","8","5","5","6","1") = "7"
    & skf18("1","1","8","5","5","7","1") = "7"
    & skf18("1","1","8","5","5","8","1") = "7"
    & skf18("1","1","8","5","5","9","1") = "8"
    & skf18("1","1","8","5","5","10","1") = "9"
    & skf18("1","1","8","5","6","1","1") = "7"
    & skf18("1","1","8","5","6","2","1") = "7"
    & skf18("1","1","8","5","6","3","1") = "7"
    & skf18("1","1","8","5","6","4","1") = "7"
    & skf18("1","1","8","5","6","5","1") = "7"
    & skf18("1","1","8","5","6","6","1") = "7"
    & skf18("1","1","8","5","6","7","1") = "7"
    & skf18("1","1","8","5","6","8","1") = "7"
    & skf18("1","1","8","5","6","9","1") = "8"
    & skf18("1","1","8","5","6","10","1") = "9"
    & skf18("1","1","8","5","7","1","1") = "7"
    & skf18("1","1","8","5","7","2","1") = "7"
    & skf18("1","1","8","5","7","3","1") = "7"
    & skf18("1","1","8","5","7","4","1") = "7"
    & skf18("1","1","8","5","7","5","1") = "7"
    & skf18("1","1","8","5","7","6","1") = "7"
    & skf18("1","1","8","5","7","7","1") = "7"
    & skf18("1","1","8","5","7","8","1") = "7"
    & skf18("1","1","8","5","7","9","1") = "8"
    & skf18("1","1","8","5","7","10","1") = "9"
    & skf18("1","1","8","5","8","1","1") = "7"
    & skf18("1","1","8","5","8","2","1") = "7"
    & skf18("1","1","8","5","8","3","1") = "7"
    & skf18("1","1","8","5","8","4","1") = "7"
    & skf18("1","1","8","5","8","5","1") = "7"
    & skf18("1","1","8","5","8","6","1") = "7"
    & skf18("1","1","8","5","8","7","1") = "7"
    & skf18("1","1","8","5","8","8","1") = "7"
    & skf18("1","1","8","5","8","9","1") = "8"
    & skf18("1","1","8","5","8","10","1") = "9"
    & skf18("1","1","8","5","9","1","1") = "8"
    & skf18("1","1","8","5","9","2","1") = "8"
    & skf18("1","1","8","5","9","3","1") = "8"
    & skf18("1","1","8","5","9","4","1") = "8"
    & skf18("1","1","8","5","9","5","1") = "8"
    & skf18("1","1","8","5","9","6","1") = "8"
    & skf18("1","1","8","5","9","7","1") = "8"
    & skf18("1","1","8","5","9","8","1") = "8"
    & skf18("1","1","8","5","9","9","1") = "8"
    & skf18("1","1","8","5","9","10","1") = "9"
    & skf18("1","1","8","5","10","1","1") = "9"
    & skf18("1","1","8","5","10","2","1") = "9"
    & skf18("1","1","8","5","10","3","1") = "9"
    & skf18("1","1","8","5","10","4","1") = "9"
    & skf18("1","1","8","5","10","5","1") = "9"
    & skf18("1","1","8","5","10","6","1") = "9"
    & skf18("1","1","8","5","10","7","1") = "9"
    & skf18("1","1","8","5","10","8","1") = "9"
    & skf18("1","1","8","5","10","9","1") = "9"
    & skf18("1","1","8","5","10","10","1") = "9"
    & skf18("1","1","8","6","1","1","1") = "7"
    & skf18("1","1","8","6","1","2","1") = "7"
    & skf18("1","1","8","6","1","3","1") = "7"
    & skf18("1","1","8","6","1","4","1") = "7"
    & skf18("1","1","8","6","1","5","1") = "7"
    & skf18("1","1","8","6","1","6","1") = "7"
    & skf18("1","1","8","6","1","7","1") = "7"
    & skf18("1","1","8","6","1","8","1") = "7"
    & skf18("1","1","8","6","1","9","1") = "8"
    & skf18("1","1","8","6","1","10","1") = "9"
    & skf18("1","1","8","6","2","1","1") = "7"
    & skf18("1","1","8","6","2","2","1") = "7"
    & skf18("1","1","8","6","2","3","1") = "7"
    & skf18("1","1","8","6","2","4","1") = "7"
    & skf18("1","1","8","6","2","5","1") = "7"
    & skf18("1","1","8","6","2","6","1") = "7"
    & skf18("1","1","8","6","2","7","1") = "7"
    & skf18("1","1","8","6","2","8","1") = "7"
    & skf18("1","1","8","6","2","9","1") = "8"
    & skf18("1","1","8","6","2","10","1") = "9"
    & skf18("1","1","8","6","3","1","1") = "7"
    & skf18("1","1","8","6","3","2","1") = "7"
    & skf18("1","1","8","6","3","3","1") = "7"
    & skf18("1","1","8","6","3","4","1") = "7"
    & skf18("1","1","8","6","3","5","1") = "7"
    & skf18("1","1","8","6","3","6","1") = "7"
    & skf18("1","1","8","6","3","7","1") = "7"
    & skf18("1","1","8","6","3","8","1") = "7"
    & skf18("1","1","8","6","3","9","1") = "8"
    & skf18("1","1","8","6","3","10","1") = "9"
    & skf18("1","1","8","6","4","1","1") = "7"
    & skf18("1","1","8","6","4","2","1") = "7"
    & skf18("1","1","8","6","4","3","1") = "7"
    & skf18("1","1","8","6","4","4","1") = "7"
    & skf18("1","1","8","6","4","5","1") = "7"
    & skf18("1","1","8","6","4","6","1") = "7"
    & skf18("1","1","8","6","4","7","1") = "7"
    & skf18("1","1","8","6","4","8","1") = "7"
    & skf18("1","1","8","6","4","9","1") = "8"
    & skf18("1","1","8","6","4","10","1") = "9"
    & skf18("1","1","8","6","5","1","1") = "7"
    & skf18("1","1","8","6","5","2","1") = "7"
    & skf18("1","1","8","6","5","3","1") = "7"
    & skf18("1","1","8","6","5","4","1") = "7"
    & skf18("1","1","8","6","5","5","1") = "7"
    & skf18("1","1","8","6","5","6","1") = "7"
    & skf18("1","1","8","6","5","7","1") = "7"
    & skf18("1","1","8","6","5","8","1") = "7"
    & skf18("1","1","8","6","5","9","1") = "8"
    & skf18("1","1","8","6","5","10","1") = "9"
    & skf18("1","1","8","6","6","1","1") = "7"
    & skf18("1","1","8","6","6","2","1") = "7"
    & skf18("1","1","8","6","6","3","1") = "7"
    & skf18("1","1","8","6","6","4","1") = "7"
    & skf18("1","1","8","6","6","5","1") = "7"
    & skf18("1","1","8","6","6","6","1") = "7"
    & skf18("1","1","8","6","6","7","1") = "7"
    & skf18("1","1","8","6","6","8","1") = "7"
    & skf18("1","1","8","6","6","9","1") = "8"
    & skf18("1","1","8","6","6","10","1") = "9"
    & skf18("1","1","8","6","7","1","1") = "7"
    & skf18("1","1","8","6","7","2","1") = "7"
    & skf18("1","1","8","6","7","3","1") = "7"
    & skf18("1","1","8","6","7","4","1") = "7"
    & skf18("1","1","8","6","7","5","1") = "7"
    & skf18("1","1","8","6","7","6","1") = "7"
    & skf18("1","1","8","6","7","7","1") = "7"
    & skf18("1","1","8","6","7","8","1") = "7"
    & skf18("1","1","8","6","7","9","1") = "8"
    & skf18("1","1","8","6","7","10","1") = "9"
    & skf18("1","1","8","6","8","1","1") = "7"
    & skf18("1","1","8","6","8","2","1") = "7"
    & skf18("1","1","8","6","8","3","1") = "7"
    & skf18("1","1","8","6","8","4","1") = "7"
    & skf18("1","1","8","6","8","5","1") = "7"
    & skf18("1","1","8","6","8","6","1") = "7"
    & skf18("1","1","8","6","8","7","1") = "7"
    & skf18("1","1","8","6","8","8","1") = "7"
    & skf18("1","1","8","6","8","9","1") = "8"
    & skf18("1","1","8","6","8","10","1") = "9"
    & skf18("1","1","8","6","9","1","1") = "8"
    & skf18("1","1","8","6","9","2","1") = "8"
    & skf18("1","1","8","6","9","3","1") = "8"
    & skf18("1","1","8","6","9","4","1") = "8"
    & skf18("1","1","8","6","9","5","1") = "8"
    & skf18("1","1","8","6","9","6","1") = "8"
    & skf18("1","1","8","6","9","7","1") = "8"
    & skf18("1","1","8","6","9","8","1") = "8"
    & skf18("1","1","8","6","9","9","1") = "8"
    & skf18("1","1","8","6","9","10","1") = "9"
    & skf18("1","1","8","6","10","1","1") = "9"
    & skf18("1","1","8","6","10","2","1") = "9"
    & skf18("1","1","8","6","10","3","1") = "9"
    & skf18("1","1","8","6","10","4","1") = "9"
    & skf18("1","1","8","6","10","5","1") = "9"
    & skf18("1","1","8","6","10","6","1") = "9"
    & skf18("1","1","8","6","10","7","1") = "9"
    & skf18("1","1","8","6","10","8","1") = "9"
    & skf18("1","1","8","6","10","9","1") = "9"
    & skf18("1","1","8","6","10","10","1") = "9"
    & skf18("1","1","8","7","1","1","1") = "7"
    & skf18("1","1","8","7","1","2","1") = "7"
    & skf18("1","1","8","7","1","3","1") = "7"
    & skf18("1","1","8","7","1","4","1") = "7"
    & skf18("1","1","8","7","1","5","1") = "7"
    & skf18("1","1","8","7","1","6","1") = "7"
    & skf18("1","1","8","7","1","7","1") = "7"
    & skf18("1","1","8","7","1","8","1") = "7"
    & skf18("1","1","8","7","1","9","1") = "8"
    & skf18("1","1","8","7","1","10","1") = "9"
    & skf18("1","1","8","7","2","1","1") = "7"
    & skf18("1","1","8","7","2","2","1") = "7"
    & skf18("1","1","8","7","2","3","1") = "7"
    & skf18("1","1","8","7","2","4","1") = "7"
    & skf18("1","1","8","7","2","5","1") = "7"
    & skf18("1","1","8","7","2","6","1") = "7"
    & skf18("1","1","8","7","2","7","1") = "7"
    & skf18("1","1","8","7","2","8","1") = "7"
    & skf18("1","1","8","7","2","9","1") = "8"
    & skf18("1","1","8","7","2","10","1") = "9"
    & skf18("1","1","8","7","3","1","1") = "7"
    & skf18("1","1","8","7","3","2","1") = "7"
    & skf18("1","1","8","7","3","3","1") = "7"
    & skf18("1","1","8","7","3","4","1") = "7"
    & skf18("1","1","8","7","3","5","1") = "7"
    & skf18("1","1","8","7","3","6","1") = "7"
    & skf18("1","1","8","7","3","7","1") = "7"
    & skf18("1","1","8","7","3","8","1") = "7"
    & skf18("1","1","8","7","3","9","1") = "8"
    & skf18("1","1","8","7","3","10","1") = "9"
    & skf18("1","1","8","7","4","1","1") = "7"
    & skf18("1","1","8","7","4","2","1") = "7"
    & skf18("1","1","8","7","4","3","1") = "7"
    & skf18("1","1","8","7","4","4","1") = "7"
    & skf18("1","1","8","7","4","5","1") = "7"
    & skf18("1","1","8","7","4","6","1") = "7"
    & skf18("1","1","8","7","4","7","1") = "7"
    & skf18("1","1","8","7","4","8","1") = "7"
    & skf18("1","1","8","7","4","9","1") = "8"
    & skf18("1","1","8","7","4","10","1") = "9"
    & skf18("1","1","8","7","5","1","1") = "7"
    & skf18("1","1","8","7","5","2","1") = "7"
    & skf18("1","1","8","7","5","3","1") = "7"
    & skf18("1","1","8","7","5","4","1") = "7"
    & skf18("1","1","8","7","5","5","1") = "7"
    & skf18("1","1","8","7","5","6","1") = "7"
    & skf18("1","1","8","7","5","7","1") = "7"
    & skf18("1","1","8","7","5","8","1") = "7"
    & skf18("1","1","8","7","5","9","1") = "8"
    & skf18("1","1","8","7","5","10","1") = "9"
    & skf18("1","1","8","7","6","1","1") = "7"
    & skf18("1","1","8","7","6","2","1") = "7"
    & skf18("1","1","8","7","6","3","1") = "7"
    & skf18("1","1","8","7","6","4","1") = "7"
    & skf18("1","1","8","7","6","5","1") = "7"
    & skf18("1","1","8","7","6","6","1") = "7"
    & skf18("1","1","8","7","6","7","1") = "7"
    & skf18("1","1","8","7","6","8","1") = "7"
    & skf18("1","1","8","7","6","9","1") = "8"
    & skf18("1","1","8","7","6","10","1") = "9"
    & skf18("1","1","8","7","7","1","1") = "7"
    & skf18("1","1","8","7","7","2","1") = "7"
    & skf18("1","1","8","7","7","3","1") = "7"
    & skf18("1","1","8","7","7","4","1") = "7"
    & skf18("1","1","8","7","7","5","1") = "7"
    & skf18("1","1","8","7","7","6","1") = "7"
    & skf18("1","1","8","7","7","7","1") = "7"
    & skf18("1","1","8","7","7","8","1") = "7"
    & skf18("1","1","8","7","7","9","1") = "8"
    & skf18("1","1","8","7","7","10","1") = "9"
    & skf18("1","1","8","7","8","1","1") = "7"
    & skf18("1","1","8","7","8","2","1") = "7"
    & skf18("1","1","8","7","8","3","1") = "7"
    & skf18("1","1","8","7","8","4","1") = "7"
    & skf18("1","1","8","7","8","5","1") = "7"
    & skf18("1","1","8","7","8","6","1") = "7"
    & skf18("1","1","8","7","8","7","1") = "7"
    & skf18("1","1","8","7","8","8","1") = "7"
    & skf18("1","1","8","7","8","9","1") = "8"
    & skf18("1","1","8","7","8","10","1") = "9"
    & skf18("1","1","8","7","9","1","1") = "8"
    & skf18("1","1","8","7","9","2","1") = "8"
    & skf18("1","1","8","7","9","3","1") = "8"
    & skf18("1","1","8","7","9","4","1") = "8"
    & skf18("1","1","8","7","9","5","1") = "8"
    & skf18("1","1","8","7","9","6","1") = "8"
    & skf18("1","1","8","7","9","7","1") = "8"
    & skf18("1","1","8","7","9","8","1") = "8"
    & skf18("1","1","8","7","9","9","1") = "8"
    & skf18("1","1","8","7","9","10","1") = "9"
    & skf18("1","1","8","7","10","1","1") = "9"
    & skf18("1","1","8","7","10","2","1") = "9"
    & skf18("1","1","8","7","10","3","1") = "9"
    & skf18("1","1","8","7","10","4","1") = "9"
    & skf18("1","1","8","7","10","5","1") = "9"
    & skf18("1","1","8","7","10","6","1") = "9"
    & skf18("1","1","8","7","10","7","1") = "9"
    & skf18("1","1","8","7","10","8","1") = "9"
    & skf18("1","1","8","7","10","9","1") = "9"
    & skf18("1","1","8","7","10","10","1") = "9"
    & skf18("1","1","8","8","1","1","1") = "7"
    & skf18("1","1","8","8","1","2","1") = "7"
    & skf18("1","1","8","8","1","3","1") = "7"
    & skf18("1","1","8","8","1","4","1") = "7"
    & skf18("1","1","8","8","1","5","1") = "7"
    & skf18("1","1","8","8","1","6","1") = "7"
    & skf18("1","1","8","8","1","7","1") = "7"
    & skf18("1","1","8","8","1","8","1") = "7"
    & skf18("1","1","8","8","1","9","1") = "8"
    & skf18("1","1","8","8","1","10","1") = "9"
    & skf18("1","1","8","8","2","1","1") = "7"
    & skf18("1","1","8","8","2","2","1") = "7"
    & skf18("1","1","8","8","2","3","1") = "7"
    & skf18("1","1","8","8","2","4","1") = "7"
    & skf18("1","1","8","8","2","5","1") = "7"
    & skf18("1","1","8","8","2","6","1") = "7"
    & skf18("1","1","8","8","2","7","1") = "7"
    & skf18("1","1","8","8","2","8","1") = "7"
    & skf18("1","1","8","8","2","9","1") = "8"
    & skf18("1","1","8","8","2","10","1") = "9"
    & skf18("1","1","8","8","3","1","1") = "7"
    & skf18("1","1","8","8","3","2","1") = "7"
    & skf18("1","1","8","8","3","3","1") = "7"
    & skf18("1","1","8","8","3","4","1") = "7"
    & skf18("1","1","8","8","3","5","1") = "7"
    & skf18("1","1","8","8","3","6","1") = "7"
    & skf18("1","1","8","8","3","7","1") = "7"
    & skf18("1","1","8","8","3","8","1") = "7"
    & skf18("1","1","8","8","3","9","1") = "8"
    & skf18("1","1","8","8","3","10","1") = "9"
    & skf18("1","1","8","8","4","1","1") = "7"
    & skf18("1","1","8","8","4","2","1") = "7"
    & skf18("1","1","8","8","4","3","1") = "7"
    & skf18("1","1","8","8","4","4","1") = "7"
    & skf18("1","1","8","8","4","5","1") = "7"
    & skf18("1","1","8","8","4","6","1") = "7"
    & skf18("1","1","8","8","4","7","1") = "7"
    & skf18("1","1","8","8","4","8","1") = "7"
    & skf18("1","1","8","8","4","9","1") = "8"
    & skf18("1","1","8","8","4","10","1") = "9"
    & skf18("1","1","8","8","5","1","1") = "7"
    & skf18("1","1","8","8","5","2","1") = "7"
    & skf18("1","1","8","8","5","3","1") = "7"
    & skf18("1","1","8","8","5","4","1") = "7"
    & skf18("1","1","8","8","5","5","1") = "7"
    & skf18("1","1","8","8","5","6","1") = "7"
    & skf18("1","1","8","8","5","7","1") = "7"
    & skf18("1","1","8","8","5","8","1") = "7"
    & skf18("1","1","8","8","5","9","1") = "8"
    & skf18("1","1","8","8","5","10","1") = "9"
    & skf18("1","1","8","8","6","1","1") = "7"
    & skf18("1","1","8","8","6","2","1") = "7"
    & skf18("1","1","8","8","6","3","1") = "7"
    & skf18("1","1","8","8","6","4","1") = "7"
    & skf18("1","1","8","8","6","5","1") = "7"
    & skf18("1","1","8","8","6","6","1") = "7"
    & skf18("1","1","8","8","6","7","1") = "7"
    & skf18("1","1","8","8","6","8","1") = "7"
    & skf18("1","1","8","8","6","9","1") = "8"
    & skf18("1","1","8","8","6","10","1") = "9"
    & skf18("1","1","8","8","7","1","1") = "7"
    & skf18("1","1","8","8","7","2","1") = "7"
    & skf18("1","1","8","8","7","3","1") = "7"
    & skf18("1","1","8","8","7","4","1") = "7"
    & skf18("1","1","8","8","7","5","1") = "7"
    & skf18("1","1","8","8","7","6","1") = "7"
    & skf18("1","1","8","8","7","7","1") = "7"
    & skf18("1","1","8","8","7","8","1") = "7"
    & skf18("1","1","8","8","7","9","1") = "8"
    & skf18("1","1","8","8","7","10","1") = "9"
    & skf18("1","1","8","8","8","1","1") = "7"
    & skf18("1","1","8","8","8","2","1") = "7"
    & skf18("1","1","8","8","8","3","1") = "7"
    & skf18("1","1","8","8","8","4","1") = "7"
    & skf18("1","1","8","8","8","5","1") = "7"
    & skf18("1","1","8","8","8","6","1") = "7"
    & skf18("1","1","8","8","8","7","1") = "7"
    & skf18("1","1","8","8","8","8","1") = "7"
    & skf18("1","1","8","8","8","9","1") = "8"
    & skf18("1","1","8","8","8","10","1") = "9"
    & skf18("1","1","8","8","9","1","1") = "8"
    & skf18("1","1","8","8","9","2","1") = "8"
    & skf18("1","1","8","8","9","3","1") = "8"
    & skf18("1","1","8","8","9","4","1") = "8"
    & skf18("1","1","8","8","9","5","1") = "8"
    & skf18("1","1","8","8","9","6","1") = "8"
    & skf18("1","1","8","8","9","7","1") = "8"
    & skf18("1","1","8","8","9","8","1") = "8"
    & skf18("1","1","8","8","9","9","1") = "8"
    & skf18("1","1","8","8","9","10","1") = "9"
    & skf18("1","1","8","8","10","1","1") = "9"
    & skf18("1","1","8","8","10","2","1") = "9"
    & skf18("1","1","8","8","10","3","1") = "9"
    & skf18("1","1","8","8","10","4","1") = "9"
    & skf18("1","1","8","8","10","5","1") = "9"
    & skf18("1","1","8","8","10","6","1") = "9"
    & skf18("1","1","8","8","10","7","1") = "9"
    & skf18("1","1","8","8","10","8","1") = "9"
    & skf18("1","1","8","8","10","9","1") = "9"
    & skf18("1","1","8","8","10","10","1") = "9"
    & skf18("1","1","8","9","1","1","1") = "8"
    & skf18("1","1","8","9","1","2","1") = "8"
    & skf18("1","1","8","9","1","3","1") = "8"
    & skf18("1","1","8","9","1","4","1") = "8"
    & skf18("1","1","8","9","1","5","1") = "8"
    & skf18("1","1","8","9","1","6","1") = "8"
    & skf18("1","1","8","9","1","7","1") = "8"
    & skf18("1","1","8","9","1","8","1") = "8"
    & skf18("1","1","8","9","1","9","1") = "8"
    & skf18("1","1","8","9","1","10","1") = "9"
    & skf18("1","1","8","9","2","1","1") = "8"
    & skf18("1","1","8","9","2","2","1") = "8"
    & skf18("1","1","8","9","2","3","1") = "8"
    & skf18("1","1","8","9","2","4","1") = "8"
    & skf18("1","1","8","9","2","5","1") = "8"
    & skf18("1","1","8","9","2","6","1") = "8"
    & skf18("1","1","8","9","2","7","1") = "8"
    & skf18("1","1","8","9","2","8","1") = "8"
    & skf18("1","1","8","9","2","9","1") = "8"
    & skf18("1","1","8","9","2","10","1") = "9"
    & skf18("1","1","8","9","3","1","1") = "8"
    & skf18("1","1","8","9","3","2","1") = "8"
    & skf18("1","1","8","9","3","3","1") = "8"
    & skf18("1","1","8","9","3","4","1") = "8"
    & skf18("1","1","8","9","3","5","1") = "8"
    & skf18("1","1","8","9","3","6","1") = "8"
    & skf18("1","1","8","9","3","7","1") = "8"
    & skf18("1","1","8","9","3","8","1") = "8"
    & skf18("1","1","8","9","3","9","1") = "8"
    & skf18("1","1","8","9","3","10","1") = "9"
    & skf18("1","1","8","9","4","1","1") = "8"
    & skf18("1","1","8","9","4","2","1") = "8"
    & skf18("1","1","8","9","4","3","1") = "8"
    & skf18("1","1","8","9","4","4","1") = "8"
    & skf18("1","1","8","9","4","5","1") = "8"
    & skf18("1","1","8","9","4","6","1") = "8"
    & skf18("1","1","8","9","4","7","1") = "8"
    & skf18("1","1","8","9","4","8","1") = "8"
    & skf18("1","1","8","9","4","9","1") = "8"
    & skf18("1","1","8","9","4","10","1") = "9"
    & skf18("1","1","8","9","5","1","1") = "8"
    & skf18("1","1","8","9","5","2","1") = "8"
    & skf18("1","1","8","9","5","3","1") = "8"
    & skf18("1","1","8","9","5","4","1") = "8"
    & skf18("1","1","8","9","5","5","1") = "8"
    & skf18("1","1","8","9","5","6","1") = "8"
    & skf18("1","1","8","9","5","7","1") = "8"
    & skf18("1","1","8","9","5","8","1") = "8"
    & skf18("1","1","8","9","5","9","1") = "8"
    & skf18("1","1","8","9","5","10","1") = "9"
    & skf18("1","1","8","9","6","1","1") = "8"
    & skf18("1","1","8","9","6","2","1") = "8"
    & skf18("1","1","8","9","6","3","1") = "8"
    & skf18("1","1","8","9","6","4","1") = "8"
    & skf18("1","1","8","9","6","5","1") = "8"
    & skf18("1","1","8","9","6","6","1") = "8"
    & skf18("1","1","8","9","6","7","1") = "8"
    & skf18("1","1","8","9","6","8","1") = "8"
    & skf18("1","1","8","9","6","9","1") = "8"
    & skf18("1","1","8","9","6","10","1") = "9"
    & skf18("1","1","8","9","7","1","1") = "8"
    & skf18("1","1","8","9","7","2","1") = "8"
    & skf18("1","1","8","9","7","3","1") = "8"
    & skf18("1","1","8","9","7","4","1") = "8"
    & skf18("1","1","8","9","7","5","1") = "8"
    & skf18("1","1","8","9","7","6","1") = "8"
    & skf18("1","1","8","9","7","7","1") = "8"
    & skf18("1","1","8","9","7","8","1") = "8"
    & skf18("1","1","8","9","7","9","1") = "8"
    & skf18("1","1","8","9","7","10","1") = "9"
    & skf18("1","1","8","9","8","1","1") = "8"
    & skf18("1","1","8","9","8","2","1") = "8"
    & skf18("1","1","8","9","8","3","1") = "8"
    & skf18("1","1","8","9","8","4","1") = "8"
    & skf18("1","1","8","9","8","5","1") = "8"
    & skf18("1","1","8","9","8","6","1") = "8"
    & skf18("1","1","8","9","8","7","1") = "8"
    & skf18("1","1","8","9","8","8","1") = "8"
    & skf18("1","1","8","9","8","9","1") = "8"
    & skf18("1","1","8","9","8","10","1") = "9"
    & skf18("1","1","8","9","9","1","1") = "8"
    & skf18("1","1","8","9","9","2","1") = "8"
    & skf18("1","1","8","9","9","3","1") = "8"
    & skf18("1","1","8","9","9","4","1") = "8"
    & skf18("1","1","8","9","9","5","1") = "8"
    & skf18("1","1","8","9","9","6","1") = "8"
    & skf18("1","1","8","9","9","7","1") = "8"
    & skf18("1","1","8","9","9","8","1") = "8"
    & skf18("1","1","8","9","9","9","1") = "8"
    & skf18("1","1","8","9","9","10","1") = "9"
    & skf18("1","1","8","9","10","1","1") = "9"
    & skf18("1","1","8","9","10","2","1") = "9"
    & skf18("1","1","8","9","10","3","1") = "9"
    & skf18("1","1","8","9","10","4","1") = "9"
    & skf18("1","1","8","9","10","5","1") = "9"
    & skf18("1","1","8","9","10","6","1") = "9"
    & skf18("1","1","8","9","10","7","1") = "9"
    & skf18("1","1","8","9","10","8","1") = "9"
    & skf18("1","1","8","9","10","9","1") = "9"
    & skf18("1","1","8","9","10","10","1") = "9"
    & skf18("1","1","8","10","1","1","1") = "9"
    & skf18("1","1","8","10","1","2","1") = "9"
    & skf18("1","1","8","10","1","3","1") = "9"
    & skf18("1","1","8","10","1","4","1") = "9"
    & skf18("1","1","8","10","1","5","1") = "9"
    & skf18("1","1","8","10","1","6","1") = "9"
    & skf18("1","1","8","10","1","7","1") = "9"
    & skf18("1","1","8","10","1","8","1") = "9"
    & skf18("1","1","8","10","1","9","1") = "9"
    & skf18("1","1","8","10","1","10","1") = "9"
    & skf18("1","1","8","10","2","1","1") = "9"
    & skf18("1","1","8","10","2","2","1") = "9"
    & skf18("1","1","8","10","2","3","1") = "9"
    & skf18("1","1","8","10","2","4","1") = "9"
    & skf18("1","1","8","10","2","5","1") = "9"
    & skf18("1","1","8","10","2","6","1") = "9"
    & skf18("1","1","8","10","2","7","1") = "9"
    & skf18("1","1","8","10","2","8","1") = "9"
    & skf18("1","1","8","10","2","9","1") = "9"
    & skf18("1","1","8","10","2","10","1") = "9"
    & skf18("1","1","8","10","3","1","1") = "9"
    & skf18("1","1","8","10","3","2","1") = "9"
    & skf18("1","1","8","10","3","3","1") = "9"
    & skf18("1","1","8","10","3","4","1") = "9"
    & skf18("1","1","8","10","3","5","1") = "9"
    & skf18("1","1","8","10","3","6","1") = "9"
    & skf18("1","1","8","10","3","7","1") = "9"
    & skf18("1","1","8","10","3","8","1") = "9"
    & skf18("1","1","8","10","3","9","1") = "9"
    & skf18("1","1","8","10","3","10","1") = "9"
    & skf18("1","1","8","10","4","1","1") = "9"
    & skf18("1","1","8","10","4","2","1") = "9"
    & skf18("1","1","8","10","4","3","1") = "9"
    & skf18("1","1","8","10","4","4","1") = "9"
    & skf18("1","1","8","10","4","5","1") = "9"
    & skf18("1","1","8","10","4","6","1") = "9"
    & skf18("1","1","8","10","4","7","1") = "9"
    & skf18("1","1","8","10","4","8","1") = "9"
    & skf18("1","1","8","10","4","9","1") = "9"
    & skf18("1","1","8","10","4","10","1") = "9"
    & skf18("1","1","8","10","5","1","1") = "9"
    & skf18("1","1","8","10","5","2","1") = "9"
    & skf18("1","1","8","10","5","3","1") = "9"
    & skf18("1","1","8","10","5","4","1") = "9"
    & skf18("1","1","8","10","5","5","1") = "9"
    & skf18("1","1","8","10","5","6","1") = "9"
    & skf18("1","1","8","10","5","7","1") = "9"
    & skf18("1","1","8","10","5","8","1") = "9"
    & skf18("1","1","8","10","5","9","1") = "9"
    & skf18("1","1","8","10","5","10","1") = "9"
    & skf18("1","1","8","10","6","1","1") = "9"
    & skf18("1","1","8","10","6","2","1") = "9"
    & skf18("1","1","8","10","6","3","1") = "9"
    & skf18("1","1","8","10","6","4","1") = "9"
    & skf18("1","1","8","10","6","5","1") = "9"
    & skf18("1","1","8","10","6","6","1") = "9"
    & skf18("1","1","8","10","6","7","1") = "9"
    & skf18("1","1","8","10","6","8","1") = "9"
    & skf18("1","1","8","10","6","9","1") = "9"
    & skf18("1","1","8","10","6","10","1") = "9"
    & skf18("1","1","8","10","7","1","1") = "9"
    & skf18("1","1","8","10","7","2","1") = "9"
    & skf18("1","1","8","10","7","3","1") = "9"
    & skf18("1","1","8","10","7","4","1") = "9"
    & skf18("1","1","8","10","7","5","1") = "9"
    & skf18("1","1","8","10","7","6","1") = "9"
    & skf18("1","1","8","10","7","7","1") = "9"
    & skf18("1","1","8","10","7","8","1") = "9"
    & skf18("1","1","8","10","7","9","1") = "9"
    & skf18("1","1","8","10","7","10","1") = "9"
    & skf18("1","1","8","10","8","1","1") = "9"
    & skf18("1","1","8","10","8","2","1") = "9"
    & skf18("1","1","8","10","8","3","1") = "9"
    & skf18("1","1","8","10","8","4","1") = "9"
    & skf18("1","1","8","10","8","5","1") = "9"
    & skf18("1","1","8","10","8","6","1") = "9"
    & skf18("1","1","8","10","8","7","1") = "9"
    & skf18("1","1","8","10","8","8","1") = "9"
    & skf18("1","1","8","10","8","9","1") = "9"
    & skf18("1","1","8","10","8","10","1") = "9"
    & skf18("1","1","8","10","9","1","1") = "9"
    & skf18("1","1","8","10","9","2","1") = "9"
    & skf18("1","1","8","10","9","3","1") = "9"
    & skf18("1","1","8","10","9","4","1") = "9"
    & skf18("1","1","8","10","9","5","1") = "9"
    & skf18("1","1","8","10","9","6","1") = "9"
    & skf18("1","1","8","10","9","7","1") = "9"
    & skf18("1","1","8","10","9","8","1") = "9"
    & skf18("1","1","8","10","9","9","1") = "9"
    & skf18("1","1","8","10","9","10","1") = "9"
    & skf18("1","1","8","10","10","1","1") = "9"
    & skf18("1","1","8","10","10","2","1") = "9"
    & skf18("1","1","8","10","10","3","1") = "9"
    & skf18("1","1","8","10","10","4","1") = "9"
    & skf18("1","1","8","10","10","5","1") = "9"
    & skf18("1","1","8","10","10","6","1") = "9"
    & skf18("1","1","8","10","10","7","1") = "9"
    & skf18("1","1","8","10","10","8","1") = "9"
    & skf18("1","1","8","10","10","9","1") = "9"
    & skf18("1","1","8","10","10","10","1") = "9"
    & skf18("1","1","9","1","1","1","1") = "8"
    & skf18("1","1","9","1","1","2","1") = "8"
    & skf18("1","1","9","1","1","3","1") = "8"
    & skf18("1","1","9","1","1","4","1") = "8"
    & skf18("1","1","9","1","1","5","1") = "8"
    & skf18("1","1","9","1","1","6","1") = "8"
    & skf18("1","1","9","1","1","7","1") = "8"
    & skf18("1","1","9","1","1","8","1") = "8"
    & skf18("1","1","9","1","1","9","1") = "8"
    & skf18("1","1","9","1","1","10","1") = "9"
    & skf18("1","1","9","1","2","1","1") = "8"
    & skf18("1","1","9","1","2","2","1") = "8"
    & skf18("1","1","9","1","2","3","1") = "8"
    & skf18("1","1","9","1","2","4","1") = "8"
    & skf18("1","1","9","1","2","5","1") = "8"
    & skf18("1","1","9","1","2","6","1") = "8"
    & skf18("1","1","9","1","2","7","1") = "8"
    & skf18("1","1","9","1","2","8","1") = "8"
    & skf18("1","1","9","1","2","9","1") = "8"
    & skf18("1","1","9","1","2","10","1") = "9"
    & skf18("1","1","9","1","3","1","1") = "8"
    & skf18("1","1","9","1","3","2","1") = "8"
    & skf18("1","1","9","1","3","3","1") = "8"
    & skf18("1","1","9","1","3","4","1") = "8"
    & skf18("1","1","9","1","3","5","1") = "8"
    & skf18("1","1","9","1","3","6","1") = "8"
    & skf18("1","1","9","1","3","7","1") = "8"
    & skf18("1","1","9","1","3","8","1") = "8"
    & skf18("1","1","9","1","3","9","1") = "8"
    & skf18("1","1","9","1","3","10","1") = "9"
    & skf18("1","1","9","1","4","1","1") = "8"
    & skf18("1","1","9","1","4","2","1") = "8"
    & skf18("1","1","9","1","4","3","1") = "8"
    & skf18("1","1","9","1","4","4","1") = "8"
    & skf18("1","1","9","1","4","5","1") = "8"
    & skf18("1","1","9","1","4","6","1") = "8"
    & skf18("1","1","9","1","4","7","1") = "8"
    & skf18("1","1","9","1","4","8","1") = "8"
    & skf18("1","1","9","1","4","9","1") = "8"
    & skf18("1","1","9","1","4","10","1") = "9"
    & skf18("1","1","9","1","5","1","1") = "8"
    & skf18("1","1","9","1","5","2","1") = "8"
    & skf18("1","1","9","1","5","3","1") = "8"
    & skf18("1","1","9","1","5","4","1") = "8"
    & skf18("1","1","9","1","5","5","1") = "8"
    & skf18("1","1","9","1","5","6","1") = "8"
    & skf18("1","1","9","1","5","7","1") = "8"
    & skf18("1","1","9","1","5","8","1") = "8"
    & skf18("1","1","9","1","5","9","1") = "8"
    & skf18("1","1","9","1","5","10","1") = "9"
    & skf18("1","1","9","1","6","1","1") = "8"
    & skf18("1","1","9","1","6","2","1") = "8"
    & skf18("1","1","9","1","6","3","1") = "8"
    & skf18("1","1","9","1","6","4","1") = "8"
    & skf18("1","1","9","1","6","5","1") = "8"
    & skf18("1","1","9","1","6","6","1") = "8"
    & skf18("1","1","9","1","6","7","1") = "8"
    & skf18("1","1","9","1","6","8","1") = "8"
    & skf18("1","1","9","1","6","9","1") = "8"
    & skf18("1","1","9","1","6","10","1") = "9"
    & skf18("1","1","9","1","7","1","1") = "8"
    & skf18("1","1","9","1","7","2","1") = "8"
    & skf18("1","1","9","1","7","3","1") = "8"
    & skf18("1","1","9","1","7","4","1") = "8"
    & skf18("1","1","9","1","7","5","1") = "8"
    & skf18("1","1","9","1","7","6","1") = "8"
    & skf18("1","1","9","1","7","7","1") = "8"
    & skf18("1","1","9","1","7","8","1") = "8"
    & skf18("1","1","9","1","7","9","1") = "8"
    & skf18("1","1","9","1","7","10","1") = "9"
    & skf18("1","1","9","1","8","1","1") = "8"
    & skf18("1","1","9","1","8","2","1") = "8"
    & skf18("1","1","9","1","8","3","1") = "8"
    & skf18("1","1","9","1","8","4","1") = "8"
    & skf18("1","1","9","1","8","5","1") = "8"
    & skf18("1","1","9","1","8","6","1") = "8"
    & skf18("1","1","9","1","8","7","1") = "8"
    & skf18("1","1","9","1","8","8","1") = "8"
    & skf18("1","1","9","1","8","9","1") = "8"
    & skf18("1","1","9","1","8","10","1") = "9"
    & skf18("1","1","9","1","9","1","1") = "8"
    & skf18("1","1","9","1","9","2","1") = "8"
    & skf18("1","1","9","1","9","3","1") = "8"
    & skf18("1","1","9","1","9","4","1") = "8"
    & skf18("1","1","9","1","9","5","1") = "8"
    & skf18("1","1","9","1","9","6","1") = "8"
    & skf18("1","1","9","1","9","7","1") = "8"
    & skf18("1","1","9","1","9","8","1") = "8"
    & skf18("1","1","9","1","9","9","1") = "8"
    & skf18("1","1","9","1","9","10","1") = "9"
    & skf18("1","1","9","1","10","1","1") = "9"
    & skf18("1","1","9","1","10","2","1") = "9"
    & skf18("1","1","9","1","10","3","1") = "9"
    & skf18("1","1","9","1","10","4","1") = "9"
    & skf18("1","1","9","1","10","5","1") = "9"
    & skf18("1","1","9","1","10","6","1") = "9"
    & skf18("1","1","9","1","10","7","1") = "9"
    & skf18("1","1","9","1","10","8","1") = "9"
    & skf18("1","1","9","1","10","9","1") = "9"
    & skf18("1","1","9","1","10","10","1") = "9"
    & skf18("1","1","9","2","1","1","1") = "8"
    & skf18("1","1","9","2","1","2","1") = "8"
    & skf18("1","1","9","2","1","3","1") = "8"
    & skf18("1","1","9","2","1","4","1") = "8"
    & skf18("1","1","9","2","1","5","1") = "8"
    & skf18("1","1","9","2","1","6","1") = "8"
    & skf18("1","1","9","2","1","7","1") = "8"
    & skf18("1","1","9","2","1","8","1") = "8"
    & skf18("1","1","9","2","1","9","1") = "8"
    & skf18("1","1","9","2","1","10","1") = "9"
    & skf18("1","1","9","2","2","1","1") = "8"
    & skf18("1","1","9","2","2","2","1") = "8"
    & skf18("1","1","9","2","2","3","1") = "8"
    & skf18("1","1","9","2","2","4","1") = "8"
    & skf18("1","1","9","2","2","5","1") = "8"
    & skf18("1","1","9","2","2","6","1") = "8"
    & skf18("1","1","9","2","2","7","1") = "8"
    & skf18("1","1","9","2","2","8","1") = "8"
    & skf18("1","1","9","2","2","9","1") = "8"
    & skf18("1","1","9","2","2","10","1") = "9"
    & skf18("1","1","9","2","3","1","1") = "8"
    & skf18("1","1","9","2","3","2","1") = "8"
    & skf18("1","1","9","2","3","3","1") = "8"
    & skf18("1","1","9","2","3","4","1") = "8"
    & skf18("1","1","9","2","3","5","1") = "8"
    & skf18("1","1","9","2","3","6","1") = "8"
    & skf18("1","1","9","2","3","7","1") = "8"
    & skf18("1","1","9","2","3","8","1") = "8"
    & skf18("1","1","9","2","3","9","1") = "8"
    & skf18("1","1","9","2","3","10","1") = "9"
    & skf18("1","1","9","2","4","1","1") = "8"
    & skf18("1","1","9","2","4","2","1") = "8"
    & skf18("1","1","9","2","4","3","1") = "8"
    & skf18("1","1","9","2","4","4","1") = "8"
    & skf18("1","1","9","2","4","5","1") = "8"
    & skf18("1","1","9","2","4","6","1") = "8"
    & skf18("1","1","9","2","4","7","1") = "8"
    & skf18("1","1","9","2","4","8","1") = "8"
    & skf18("1","1","9","2","4","9","1") = "8"
    & skf18("1","1","9","2","4","10","1") = "9"
    & skf18("1","1","9","2","5","1","1") = "8"
    & skf18("1","1","9","2","5","2","1") = "8"
    & skf18("1","1","9","2","5","3","1") = "8"
    & skf18("1","1","9","2","5","4","1") = "8"
    & skf18("1","1","9","2","5","5","1") = "8"
    & skf18("1","1","9","2","5","6","1") = "8"
    & skf18("1","1","9","2","5","7","1") = "8"
    & skf18("1","1","9","2","5","8","1") = "8"
    & skf18("1","1","9","2","5","9","1") = "8"
    & skf18("1","1","9","2","5","10","1") = "9"
    & skf18("1","1","9","2","6","1","1") = "8"
    & skf18("1","1","9","2","6","2","1") = "8"
    & skf18("1","1","9","2","6","3","1") = "8"
    & skf18("1","1","9","2","6","4","1") = "8"
    & skf18("1","1","9","2","6","5","1") = "8"
    & skf18("1","1","9","2","6","6","1") = "8"
    & skf18("1","1","9","2","6","7","1") = "8"
    & skf18("1","1","9","2","6","8","1") = "8"
    & skf18("1","1","9","2","6","9","1") = "8"
    & skf18("1","1","9","2","6","10","1") = "9"
    & skf18("1","1","9","2","7","1","1") = "8"
    & skf18("1","1","9","2","7","2","1") = "8"
    & skf18("1","1","9","2","7","3","1") = "8"
    & skf18("1","1","9","2","7","4","1") = "8"
    & skf18("1","1","9","2","7","5","1") = "8"
    & skf18("1","1","9","2","7","6","1") = "8"
    & skf18("1","1","9","2","7","7","1") = "8"
    & skf18("1","1","9","2","7","8","1") = "8"
    & skf18("1","1","9","2","7","9","1") = "8"
    & skf18("1","1","9","2","7","10","1") = "9"
    & skf18("1","1","9","2","8","1","1") = "8"
    & skf18("1","1","9","2","8","2","1") = "8"
    & skf18("1","1","9","2","8","3","1") = "8"
    & skf18("1","1","9","2","8","4","1") = "8"
    & skf18("1","1","9","2","8","5","1") = "8"
    & skf18("1","1","9","2","8","6","1") = "8"
    & skf18("1","1","9","2","8","7","1") = "8"
    & skf18("1","1","9","2","8","8","1") = "8"
    & skf18("1","1","9","2","8","9","1") = "8"
    & skf18("1","1","9","2","8","10","1") = "9"
    & skf18("1","1","9","2","9","1","1") = "8"
    & skf18("1","1","9","2","9","2","1") = "8"
    & skf18("1","1","9","2","9","3","1") = "8"
    & skf18("1","1","9","2","9","4","1") = "8"
    & skf18("1","1","9","2","9","5","1") = "8"
    & skf18("1","1","9","2","9","6","1") = "8"
    & skf18("1","1","9","2","9","7","1") = "8"
    & skf18("1","1","9","2","9","8","1") = "8"
    & skf18("1","1","9","2","9","9","1") = "8"
    & skf18("1","1","9","2","9","10","1") = "9"
    & skf18("1","1","9","2","10","1","1") = "9"
    & skf18("1","1","9","2","10","2","1") = "9"
    & skf18("1","1","9","2","10","3","1") = "9"
    & skf18("1","1","9","2","10","4","1") = "9"
    & skf18("1","1","9","2","10","5","1") = "9"
    & skf18("1","1","9","2","10","6","1") = "9"
    & skf18("1","1","9","2","10","7","1") = "9"
    & skf18("1","1","9","2","10","8","1") = "9"
    & skf18("1","1","9","2","10","9","1") = "9"
    & skf18("1","1","9","2","10","10","1") = "9"
    & skf18("1","1","9","3","1","1","1") = "8"
    & skf18("1","1","9","3","1","2","1") = "8"
    & skf18("1","1","9","3","1","3","1") = "8"
    & skf18("1","1","9","3","1","4","1") = "8"
    & skf18("1","1","9","3","1","5","1") = "8"
    & skf18("1","1","9","3","1","6","1") = "8"
    & skf18("1","1","9","3","1","7","1") = "8"
    & skf18("1","1","9","3","1","8","1") = "8"
    & skf18("1","1","9","3","1","9","1") = "8"
    & skf18("1","1","9","3","1","10","1") = "9"
    & skf18("1","1","9","3","2","1","1") = "8"
    & skf18("1","1","9","3","2","2","1") = "8"
    & skf18("1","1","9","3","2","3","1") = "8"
    & skf18("1","1","9","3","2","4","1") = "8"
    & skf18("1","1","9","3","2","5","1") = "8"
    & skf18("1","1","9","3","2","6","1") = "8"
    & skf18("1","1","9","3","2","7","1") = "8"
    & skf18("1","1","9","3","2","8","1") = "8"
    & skf18("1","1","9","3","2","9","1") = "8"
    & skf18("1","1","9","3","2","10","1") = "9"
    & skf18("1","1","9","3","3","1","1") = "8"
    & skf18("1","1","9","3","3","2","1") = "8"
    & skf18("1","1","9","3","3","3","1") = "8"
    & skf18("1","1","9","3","3","4","1") = "8"
    & skf18("1","1","9","3","3","5","1") = "8"
    & skf18("1","1","9","3","3","6","1") = "8"
    & skf18("1","1","9","3","3","7","1") = "8"
    & skf18("1","1","9","3","3","8","1") = "8"
    & skf18("1","1","9","3","3","9","1") = "8"
    & skf18("1","1","9","3","3","10","1") = "9"
    & skf18("1","1","9","3","4","1","1") = "8"
    & skf18("1","1","9","3","4","2","1") = "8"
    & skf18("1","1","9","3","4","3","1") = "8"
    & skf18("1","1","9","3","4","4","1") = "8"
    & skf18("1","1","9","3","4","5","1") = "8"
    & skf18("1","1","9","3","4","6","1") = "8"
    & skf18("1","1","9","3","4","7","1") = "8"
    & skf18("1","1","9","3","4","8","1") = "8"
    & skf18("1","1","9","3","4","9","1") = "8"
    & skf18("1","1","9","3","4","10","1") = "9"
    & skf18("1","1","9","3","5","1","1") = "8"
    & skf18("1","1","9","3","5","2","1") = "8"
    & skf18("1","1","9","3","5","3","1") = "8"
    & skf18("1","1","9","3","5","4","1") = "8"
    & skf18("1","1","9","3","5","5","1") = "8"
    & skf18("1","1","9","3","5","6","1") = "8"
    & skf18("1","1","9","3","5","7","1") = "8"
    & skf18("1","1","9","3","5","8","1") = "8"
    & skf18("1","1","9","3","5","9","1") = "8"
    & skf18("1","1","9","3","5","10","1") = "9"
    & skf18("1","1","9","3","6","1","1") = "8"
    & skf18("1","1","9","3","6","2","1") = "8"
    & skf18("1","1","9","3","6","3","1") = "8"
    & skf18("1","1","9","3","6","4","1") = "8"
    & skf18("1","1","9","3","6","5","1") = "8"
    & skf18("1","1","9","3","6","6","1") = "8"
    & skf18("1","1","9","3","6","7","1") = "8"
    & skf18("1","1","9","3","6","8","1") = "8"
    & skf18("1","1","9","3","6","9","1") = "8"
    & skf18("1","1","9","3","6","10","1") = "9"
    & skf18("1","1","9","3","7","1","1") = "8"
    & skf18("1","1","9","3","7","2","1") = "8"
    & skf18("1","1","9","3","7","3","1") = "8"
    & skf18("1","1","9","3","7","4","1") = "8"
    & skf18("1","1","9","3","7","5","1") = "8"
    & skf18("1","1","9","3","7","6","1") = "8"
    & skf18("1","1","9","3","7","7","1") = "8"
    & skf18("1","1","9","3","7","8","1") = "8"
    & skf18("1","1","9","3","7","9","1") = "8"
    & skf18("1","1","9","3","7","10","1") = "9"
    & skf18("1","1","9","3","8","1","1") = "8"
    & skf18("1","1","9","3","8","2","1") = "8"
    & skf18("1","1","9","3","8","3","1") = "8"
    & skf18("1","1","9","3","8","4","1") = "8"
    & skf18("1","1","9","3","8","5","1") = "8"
    & skf18("1","1","9","3","8","6","1") = "8"
    & skf18("1","1","9","3","8","7","1") = "8"
    & skf18("1","1","9","3","8","8","1") = "8"
    & skf18("1","1","9","3","8","9","1") = "8"
    & skf18("1","1","9","3","8","10","1") = "9"
    & skf18("1","1","9","3","9","1","1") = "8"
    & skf18("1","1","9","3","9","2","1") = "8"
    & skf18("1","1","9","3","9","3","1") = "8"
    & skf18("1","1","9","3","9","4","1") = "8"
    & skf18("1","1","9","3","9","5","1") = "8"
    & skf18("1","1","9","3","9","6","1") = "8"
    & skf18("1","1","9","3","9","7","1") = "8"
    & skf18("1","1","9","3","9","8","1") = "8"
    & skf18("1","1","9","3","9","9","1") = "8"
    & skf18("1","1","9","3","9","10","1") = "9"
    & skf18("1","1","9","3","10","1","1") = "9"
    & skf18("1","1","9","3","10","2","1") = "9"
    & skf18("1","1","9","3","10","3","1") = "9"
    & skf18("1","1","9","3","10","4","1") = "9"
    & skf18("1","1","9","3","10","5","1") = "9"
    & skf18("1","1","9","3","10","6","1") = "9"
    & skf18("1","1","9","3","10","7","1") = "9"
    & skf18("1","1","9","3","10","8","1") = "9"
    & skf18("1","1","9","3","10","9","1") = "9"
    & skf18("1","1","9","3","10","10","1") = "9"
    & skf18("1","1","9","4","1","1","1") = "8"
    & skf18("1","1","9","4","1","2","1") = "8"
    & skf18("1","1","9","4","1","3","1") = "8"
    & skf18("1","1","9","4","1","4","1") = "8"
    & skf18("1","1","9","4","1","5","1") = "8"
    & skf18("1","1","9","4","1","6","1") = "8"
    & skf18("1","1","9","4","1","7","1") = "8"
    & skf18("1","1","9","4","1","8","1") = "8"
    & skf18("1","1","9","4","1","9","1") = "8"
    & skf18("1","1","9","4","1","10","1") = "9"
    & skf18("1","1","9","4","2","1","1") = "8"
    & skf18("1","1","9","4","2","2","1") = "8"
    & skf18("1","1","9","4","2","3","1") = "8"
    & skf18("1","1","9","4","2","4","1") = "8"
    & skf18("1","1","9","4","2","5","1") = "8"
    & skf18("1","1","9","4","2","6","1") = "8"
    & skf18("1","1","9","4","2","7","1") = "8"
    & skf18("1","1","9","4","2","8","1") = "8"
    & skf18("1","1","9","4","2","9","1") = "8"
    & skf18("1","1","9","4","2","10","1") = "9"
    & skf18("1","1","9","4","3","1","1") = "8"
    & skf18("1","1","9","4","3","2","1") = "8"
    & skf18("1","1","9","4","3","3","1") = "8"
    & skf18("1","1","9","4","3","4","1") = "8"
    & skf18("1","1","9","4","3","5","1") = "8"
    & skf18("1","1","9","4","3","6","1") = "8"
    & skf18("1","1","9","4","3","7","1") = "8"
    & skf18("1","1","9","4","3","8","1") = "8"
    & skf18("1","1","9","4","3","9","1") = "8"
    & skf18("1","1","9","4","3","10","1") = "9"
    & skf18("1","1","9","4","4","1","1") = "8"
    & skf18("1","1","9","4","4","2","1") = "8"
    & skf18("1","1","9","4","4","3","1") = "8"
    & skf18("1","1","9","4","4","4","1") = "8"
    & skf18("1","1","9","4","4","5","1") = "8"
    & skf18("1","1","9","4","4","6","1") = "8"
    & skf18("1","1","9","4","4","7","1") = "8"
    & skf18("1","1","9","4","4","8","1") = "8"
    & skf18("1","1","9","4","4","9","1") = "8"
    & skf18("1","1","9","4","4","10","1") = "9"
    & skf18("1","1","9","4","5","1","1") = "8"
    & skf18("1","1","9","4","5","2","1") = "8"
    & skf18("1","1","9","4","5","3","1") = "8"
    & skf18("1","1","9","4","5","4","1") = "8"
    & skf18("1","1","9","4","5","5","1") = "8"
    & skf18("1","1","9","4","5","6","1") = "8"
    & skf18("1","1","9","4","5","7","1") = "8"
    & skf18("1","1","9","4","5","8","1") = "8"
    & skf18("1","1","9","4","5","9","1") = "8"
    & skf18("1","1","9","4","5","10","1") = "9"
    & skf18("1","1","9","4","6","1","1") = "8"
    & skf18("1","1","9","4","6","2","1") = "8"
    & skf18("1","1","9","4","6","3","1") = "8"
    & skf18("1","1","9","4","6","4","1") = "8"
    & skf18("1","1","9","4","6","5","1") = "8"
    & skf18("1","1","9","4","6","6","1") = "8"
    & skf18("1","1","9","4","6","7","1") = "8"
    & skf18("1","1","9","4","6","8","1") = "8"
    & skf18("1","1","9","4","6","9","1") = "8"
    & skf18("1","1","9","4","6","10","1") = "9"
    & skf18("1","1","9","4","7","1","1") = "8"
    & skf18("1","1","9","4","7","2","1") = "8"
    & skf18("1","1","9","4","7","3","1") = "8"
    & skf18("1","1","9","4","7","4","1") = "8"
    & skf18("1","1","9","4","7","5","1") = "8"
    & skf18("1","1","9","4","7","6","1") = "8"
    & skf18("1","1","9","4","7","7","1") = "8"
    & skf18("1","1","9","4","7","8","1") = "8"
    & skf18("1","1","9","4","7","9","1") = "8"
    & skf18("1","1","9","4","7","10","1") = "9"
    & skf18("1","1","9","4","8","1","1") = "8"
    & skf18("1","1","9","4","8","2","1") = "8"
    & skf18("1","1","9","4","8","3","1") = "8"
    & skf18("1","1","9","4","8","4","1") = "8"
    & skf18("1","1","9","4","8","5","1") = "8"
    & skf18("1","1","9","4","8","6","1") = "8"
    & skf18("1","1","9","4","8","7","1") = "8"
    & skf18("1","1","9","4","8","8","1") = "8"
    & skf18("1","1","9","4","8","9","1") = "8"
    & skf18("1","1","9","4","8","10","1") = "9"
    & skf18("1","1","9","4","9","1","1") = "8"
    & skf18("1","1","9","4","9","2","1") = "8"
    & skf18("1","1","9","4","9","3","1") = "8"
    & skf18("1","1","9","4","9","4","1") = "8"
    & skf18("1","1","9","4","9","5","1") = "8"
    & skf18("1","1","9","4","9","6","1") = "8"
    & skf18("1","1","9","4","9","7","1") = "8"
    & skf18("1","1","9","4","9","8","1") = "8"
    & skf18("1","1","9","4","9","9","1") = "8"
    & skf18("1","1","9","4","9","10","1") = "9"
    & skf18("1","1","9","4","10","1","1") = "9"
    & skf18("1","1","9","4","10","2","1") = "9"
    & skf18("1","1","9","4","10","3","1") = "9"
    & skf18("1","1","9","4","10","4","1") = "9"
    & skf18("1","1","9","4","10","5","1") = "9"
    & skf18("1","1","9","4","10","6","1") = "9"
    & skf18("1","1","9","4","10","7","1") = "9"
    & skf18("1","1","9","4","10","8","1") = "9"
    & skf18("1","1","9","4","10","9","1") = "9"
    & skf18("1","1","9","4","10","10","1") = "9"
    & skf18("1","1","9","5","1","1","1") = "8"
    & skf18("1","1","9","5","1","2","1") = "8"
    & skf18("1","1","9","5","1","3","1") = "8"
    & skf18("1","1","9","5","1","4","1") = "8"
    & skf18("1","1","9","5","1","5","1") = "8"
    & skf18("1","1","9","5","1","6","1") = "8"
    & skf18("1","1","9","5","1","7","1") = "8"
    & skf18("1","1","9","5","1","8","1") = "8"
    & skf18("1","1","9","5","1","9","1") = "8"
    & skf18("1","1","9","5","1","10","1") = "9"
    & skf18("1","1","9","5","2","1","1") = "8"
    & skf18("1","1","9","5","2","2","1") = "8"
    & skf18("1","1","9","5","2","3","1") = "8"
    & skf18("1","1","9","5","2","4","1") = "8"
    & skf18("1","1","9","5","2","5","1") = "8"
    & skf18("1","1","9","5","2","6","1") = "8"
    & skf18("1","1","9","5","2","7","1") = "8"
    & skf18("1","1","9","5","2","8","1") = "8"
    & skf18("1","1","9","5","2","9","1") = "8"
    & skf18("1","1","9","5","2","10","1") = "9"
    & skf18("1","1","9","5","3","1","1") = "8"
    & skf18("1","1","9","5","3","2","1") = "8"
    & skf18("1","1","9","5","3","3","1") = "8"
    & skf18("1","1","9","5","3","4","1") = "8"
    & skf18("1","1","9","5","3","5","1") = "8"
    & skf18("1","1","9","5","3","6","1") = "8"
    & skf18("1","1","9","5","3","7","1") = "8"
    & skf18("1","1","9","5","3","8","1") = "8"
    & skf18("1","1","9","5","3","9","1") = "8"
    & skf18("1","1","9","5","3","10","1") = "9"
    & skf18("1","1","9","5","4","1","1") = "8"
    & skf18("1","1","9","5","4","2","1") = "8"
    & skf18("1","1","9","5","4","3","1") = "8"
    & skf18("1","1","9","5","4","4","1") = "8"
    & skf18("1","1","9","5","4","5","1") = "8"
    & skf18("1","1","9","5","4","6","1") = "8"
    & skf18("1","1","9","5","4","7","1") = "8"
    & skf18("1","1","9","5","4","8","1") = "8"
    & skf18("1","1","9","5","4","9","1") = "8"
    & skf18("1","1","9","5","4","10","1") = "9"
    & skf18("1","1","9","5","5","1","1") = "8"
    & skf18("1","1","9","5","5","2","1") = "8"
    & skf18("1","1","9","5","5","3","1") = "8"
    & skf18("1","1","9","5","5","4","1") = "8"
    & skf18("1","1","9","5","5","5","1") = "8"
    & skf18("1","1","9","5","5","6","1") = "8"
    & skf18("1","1","9","5","5","7","1") = "8"
    & skf18("1","1","9","5","5","8","1") = "8"
    & skf18("1","1","9","5","5","9","1") = "8"
    & skf18("1","1","9","5","5","10","1") = "9"
    & skf18("1","1","9","5","6","1","1") = "8"
    & skf18("1","1","9","5","6","2","1") = "8"
    & skf18("1","1","9","5","6","3","1") = "8"
    & skf18("1","1","9","5","6","4","1") = "8"
    & skf18("1","1","9","5","6","5","1") = "8"
    & skf18("1","1","9","5","6","6","1") = "8"
    & skf18("1","1","9","5","6","7","1") = "8"
    & skf18("1","1","9","5","6","8","1") = "8"
    & skf18("1","1","9","5","6","9","1") = "8"
    & skf18("1","1","9","5","6","10","1") = "9"
    & skf18("1","1","9","5","7","1","1") = "8"
    & skf18("1","1","9","5","7","2","1") = "8"
    & skf18("1","1","9","5","7","3","1") = "8"
    & skf18("1","1","9","5","7","4","1") = "8"
    & skf18("1","1","9","5","7","5","1") = "8"
    & skf18("1","1","9","5","7","6","1") = "8"
    & skf18("1","1","9","5","7","7","1") = "8"
    & skf18("1","1","9","5","7","8","1") = "8"
    & skf18("1","1","9","5","7","9","1") = "8"
    & skf18("1","1","9","5","7","10","1") = "9"
    & skf18("1","1","9","5","8","1","1") = "8"
    & skf18("1","1","9","5","8","2","1") = "8"
    & skf18("1","1","9","5","8","3","1") = "8"
    & skf18("1","1","9","5","8","4","1") = "8"
    & skf18("1","1","9","5","8","5","1") = "8"
    & skf18("1","1","9","5","8","6","1") = "8"
    & skf18("1","1","9","5","8","7","1") = "8"
    & skf18("1","1","9","5","8","8","1") = "8"
    & skf18("1","1","9","5","8","9","1") = "8"
    & skf18("1","1","9","5","8","10","1") = "9"
    & skf18("1","1","9","5","9","1","1") = "8"
    & skf18("1","1","9","5","9","2","1") = "8"
    & skf18("1","1","9","5","9","3","1") = "8"
    & skf18("1","1","9","5","9","4","1") = "8"
    & skf18("1","1","9","5","9","5","1") = "8"
    & skf18("1","1","9","5","9","6","1") = "8"
    & skf18("1","1","9","5","9","7","1") = "8"
    & skf18("1","1","9","5","9","8","1") = "8"
    & skf18("1","1","9","5","9","9","1") = "8"
    & skf18("1","1","9","5","9","10","1") = "9"
    & skf18("1","1","9","5","10","1","1") = "9"
    & skf18("1","1","9","5","10","2","1") = "9"
    & skf18("1","1","9","5","10","3","1") = "9"
    & skf18("1","1","9","5","10","4","1") = "9"
    & skf18("1","1","9","5","10","5","1") = "9"
    & skf18("1","1","9","5","10","6","1") = "9"
    & skf18("1","1","9","5","10","7","1") = "9"
    & skf18("1","1","9","5","10","8","1") = "9"
    & skf18("1","1","9","5","10","9","1") = "9"
    & skf18("1","1","9","5","10","10","1") = "9"
    & skf18("1","1","9","6","1","1","1") = "8"
    & skf18("1","1","9","6","1","2","1") = "8"
    & skf18("1","1","9","6","1","3","1") = "8"
    & skf18("1","1","9","6","1","4","1") = "8"
    & skf18("1","1","9","6","1","5","1") = "8"
    & skf18("1","1","9","6","1","6","1") = "8"
    & skf18("1","1","9","6","1","7","1") = "8"
    & skf18("1","1","9","6","1","8","1") = "8"
    & skf18("1","1","9","6","1","9","1") = "8"
    & skf18("1","1","9","6","1","10","1") = "9"
    & skf18("1","1","9","6","2","1","1") = "8"
    & skf18("1","1","9","6","2","2","1") = "8"
    & skf18("1","1","9","6","2","3","1") = "8"
    & skf18("1","1","9","6","2","4","1") = "8"
    & skf18("1","1","9","6","2","5","1") = "8"
    & skf18("1","1","9","6","2","6","1") = "8"
    & skf18("1","1","9","6","2","7","1") = "8"
    & skf18("1","1","9","6","2","8","1") = "8"
    & skf18("1","1","9","6","2","9","1") = "8"
    & skf18("1","1","9","6","2","10","1") = "9"
    & skf18("1","1","9","6","3","1","1") = "8"
    & skf18("1","1","9","6","3","2","1") = "8"
    & skf18("1","1","9","6","3","3","1") = "8"
    & skf18("1","1","9","6","3","4","1") = "8"
    & skf18("1","1","9","6","3","5","1") = "8"
    & skf18("1","1","9","6","3","6","1") = "8"
    & skf18("1","1","9","6","3","7","1") = "8"
    & skf18("1","1","9","6","3","8","1") = "8"
    & skf18("1","1","9","6","3","9","1") = "8"
    & skf18("1","1","9","6","3","10","1") = "9"
    & skf18("1","1","9","6","4","1","1") = "8"
    & skf18("1","1","9","6","4","2","1") = "8"
    & skf18("1","1","9","6","4","3","1") = "8"
    & skf18("1","1","9","6","4","4","1") = "8"
    & skf18("1","1","9","6","4","5","1") = "8"
    & skf18("1","1","9","6","4","6","1") = "8"
    & skf18("1","1","9","6","4","7","1") = "8"
    & skf18("1","1","9","6","4","8","1") = "8"
    & skf18("1","1","9","6","4","9","1") = "8"
    & skf18("1","1","9","6","4","10","1") = "9"
    & skf18("1","1","9","6","5","1","1") = "8"
    & skf18("1","1","9","6","5","2","1") = "8"
    & skf18("1","1","9","6","5","3","1") = "8"
    & skf18("1","1","9","6","5","4","1") = "8"
    & skf18("1","1","9","6","5","5","1") = "8"
    & skf18("1","1","9","6","5","6","1") = "8"
    & skf18("1","1","9","6","5","7","1") = "8"
    & skf18("1","1","9","6","5","8","1") = "8"
    & skf18("1","1","9","6","5","9","1") = "8"
    & skf18("1","1","9","6","5","10","1") = "9"
    & skf18("1","1","9","6","6","1","1") = "8"
    & skf18("1","1","9","6","6","2","1") = "8"
    & skf18("1","1","9","6","6","3","1") = "8"
    & skf18("1","1","9","6","6","4","1") = "8"
    & skf18("1","1","9","6","6","5","1") = "8"
    & skf18("1","1","9","6","6","6","1") = "8"
    & skf18("1","1","9","6","6","7","1") = "8"
    & skf18("1","1","9","6","6","8","1") = "8"
    & skf18("1","1","9","6","6","9","1") = "8"
    & skf18("1","1","9","6","6","10","1") = "9"
    & skf18("1","1","9","6","7","1","1") = "8"
    & skf18("1","1","9","6","7","2","1") = "8"
    & skf18("1","1","9","6","7","3","1") = "8"
    & skf18("1","1","9","6","7","4","1") = "8"
    & skf18("1","1","9","6","7","5","1") = "8"
    & skf18("1","1","9","6","7","6","1") = "8"
    & skf18("1","1","9","6","7","7","1") = "8"
    & skf18("1","1","9","6","7","8","1") = "8"
    & skf18("1","1","9","6","7","9","1") = "8"
    & skf18("1","1","9","6","7","10","1") = "9"
    & skf18("1","1","9","6","8","1","1") = "8"
    & skf18("1","1","9","6","8","2","1") = "8"
    & skf18("1","1","9","6","8","3","1") = "8"
    & skf18("1","1","9","6","8","4","1") = "8"
    & skf18("1","1","9","6","8","5","1") = "8"
    & skf18("1","1","9","6","8","6","1") = "8"
    & skf18("1","1","9","6","8","7","1") = "8"
    & skf18("1","1","9","6","8","8","1") = "8"
    & skf18("1","1","9","6","8","9","1") = "8"
    & skf18("1","1","9","6","8","10","1") = "9"
    & skf18("1","1","9","6","9","1","1") = "8"
    & skf18("1","1","9","6","9","2","1") = "8"
    & skf18("1","1","9","6","9","3","1") = "8"
    & skf18("1","1","9","6","9","4","1") = "8"
    & skf18("1","1","9","6","9","5","1") = "8"
    & skf18("1","1","9","6","9","6","1") = "8"
    & skf18("1","1","9","6","9","7","1") = "8"
    & skf18("1","1","9","6","9","8","1") = "8"
    & skf18("1","1","9","6","9","9","1") = "8"
    & skf18("1","1","9","6","9","10","1") = "9"
    & skf18("1","1","9","6","10","1","1") = "9"
    & skf18("1","1","9","6","10","2","1") = "9"
    & skf18("1","1","9","6","10","3","1") = "9"
    & skf18("1","1","9","6","10","4","1") = "9"
    & skf18("1","1","9","6","10","5","1") = "9"
    & skf18("1","1","9","6","10","6","1") = "9"
    & skf18("1","1","9","6","10","7","1") = "9"
    & skf18("1","1","9","6","10","8","1") = "9"
    & skf18("1","1","9","6","10","9","1") = "9"
    & skf18("1","1","9","6","10","10","1") = "9"
    & skf18("1","1","9","7","1","1","1") = "8"
    & skf18("1","1","9","7","1","2","1") = "8"
    & skf18("1","1","9","7","1","3","1") = "8"
    & skf18("1","1","9","7","1","4","1") = "8"
    & skf18("1","1","9","7","1","5","1") = "8"
    & skf18("1","1","9","7","1","6","1") = "8"
    & skf18("1","1","9","7","1","7","1") = "8"
    & skf18("1","1","9","7","1","8","1") = "8"
    & skf18("1","1","9","7","1","9","1") = "8"
    & skf18("1","1","9","7","1","10","1") = "9"
    & skf18("1","1","9","7","2","1","1") = "8"
    & skf18("1","1","9","7","2","2","1") = "8"
    & skf18("1","1","9","7","2","3","1") = "8"
    & skf18("1","1","9","7","2","4","1") = "8"
    & skf18("1","1","9","7","2","5","1") = "8"
    & skf18("1","1","9","7","2","6","1") = "8"
    & skf18("1","1","9","7","2","7","1") = "8"
    & skf18("1","1","9","7","2","8","1") = "8"
    & skf18("1","1","9","7","2","9","1") = "8"
    & skf18("1","1","9","7","2","10","1") = "9"
    & skf18("1","1","9","7","3","1","1") = "8"
    & skf18("1","1","9","7","3","2","1") = "8"
    & skf18("1","1","9","7","3","3","1") = "8"
    & skf18("1","1","9","7","3","4","1") = "8"
    & skf18("1","1","9","7","3","5","1") = "8"
    & skf18("1","1","9","7","3","6","1") = "8"
    & skf18("1","1","9","7","3","7","1") = "8"
    & skf18("1","1","9","7","3","8","1") = "8"
    & skf18("1","1","9","7","3","9","1") = "8"
    & skf18("1","1","9","7","3","10","1") = "9"
    & skf18("1","1","9","7","4","1","1") = "8"
    & skf18("1","1","9","7","4","2","1") = "8"
    & skf18("1","1","9","7","4","3","1") = "8"
    & skf18("1","1","9","7","4","4","1") = "8"
    & skf18("1","1","9","7","4","5","1") = "8"
    & skf18("1","1","9","7","4","6","1") = "8"
    & skf18("1","1","9","7","4","7","1") = "8"
    & skf18("1","1","9","7","4","8","1") = "8"
    & skf18("1","1","9","7","4","9","1") = "8"
    & skf18("1","1","9","7","4","10","1") = "9"
    & skf18("1","1","9","7","5","1","1") = "8"
    & skf18("1","1","9","7","5","2","1") = "8"
    & skf18("1","1","9","7","5","3","1") = "8"
    & skf18("1","1","9","7","5","4","1") = "8"
    & skf18("1","1","9","7","5","5","1") = "8"
    & skf18("1","1","9","7","5","6","1") = "8"
    & skf18("1","1","9","7","5","7","1") = "8"
    & skf18("1","1","9","7","5","8","1") = "8"
    & skf18("1","1","9","7","5","9","1") = "8"
    & skf18("1","1","9","7","5","10","1") = "9"
    & skf18("1","1","9","7","6","1","1") = "8"
    & skf18("1","1","9","7","6","2","1") = "8"
    & skf18("1","1","9","7","6","3","1") = "8"
    & skf18("1","1","9","7","6","4","1") = "8"
    & skf18("1","1","9","7","6","5","1") = "8"
    & skf18("1","1","9","7","6","6","1") = "8"
    & skf18("1","1","9","7","6","7","1") = "8"
    & skf18("1","1","9","7","6","8","1") = "8"
    & skf18("1","1","9","7","6","9","1") = "8"
    & skf18("1","1","9","7","6","10","1") = "9"
    & skf18("1","1","9","7","7","1","1") = "8"
    & skf18("1","1","9","7","7","2","1") = "8"
    & skf18("1","1","9","7","7","3","1") = "8"
    & skf18("1","1","9","7","7","4","1") = "8"
    & skf18("1","1","9","7","7","5","1") = "8"
    & skf18("1","1","9","7","7","6","1") = "8"
    & skf18("1","1","9","7","7","7","1") = "8"
    & skf18("1","1","9","7","7","8","1") = "8"
    & skf18("1","1","9","7","7","9","1") = "8"
    & skf18("1","1","9","7","7","10","1") = "9"
    & skf18("1","1","9","7","8","1","1") = "8"
    & skf18("1","1","9","7","8","2","1") = "8"
    & skf18("1","1","9","7","8","3","1") = "8"
    & skf18("1","1","9","7","8","4","1") = "8"
    & skf18("1","1","9","7","8","5","1") = "8"
    & skf18("1","1","9","7","8","6","1") = "8"
    & skf18("1","1","9","7","8","7","1") = "8"
    & skf18("1","1","9","7","8","8","1") = "8"
    & skf18("1","1","9","7","8","9","1") = "8"
    & skf18("1","1","9","7","8","10","1") = "9"
    & skf18("1","1","9","7","9","1","1") = "8"
    & skf18("1","1","9","7","9","2","1") = "8"
    & skf18("1","1","9","7","9","3","1") = "8"
    & skf18("1","1","9","7","9","4","1") = "8"
    & skf18("1","1","9","7","9","5","1") = "8"
    & skf18("1","1","9","7","9","6","1") = "8"
    & skf18("1","1","9","7","9","7","1") = "8"
    & skf18("1","1","9","7","9","8","1") = "8"
    & skf18("1","1","9","7","9","9","1") = "8"
    & skf18("1","1","9","7","9","10","1") = "9"
    & skf18("1","1","9","7","10","1","1") = "9"
    & skf18("1","1","9","7","10","2","1") = "9"
    & skf18("1","1","9","7","10","3","1") = "9"
    & skf18("1","1","9","7","10","4","1") = "9"
    & skf18("1","1","9","7","10","5","1") = "9"
    & skf18("1","1","9","7","10","6","1") = "9"
    & skf18("1","1","9","7","10","7","1") = "9"
    & skf18("1","1","9","7","10","8","1") = "9"
    & skf18("1","1","9","7","10","9","1") = "9"
    & skf18("1","1","9","7","10","10","1") = "9"
    & skf18("1","1","9","8","1","1","1") = "8"
    & skf18("1","1","9","8","1","2","1") = "8"
    & skf18("1","1","9","8","1","3","1") = "8"
    & skf18("1","1","9","8","1","4","1") = "8"
    & skf18("1","1","9","8","1","5","1") = "8"
    & skf18("1","1","9","8","1","6","1") = "8"
    & skf18("1","1","9","8","1","7","1") = "8"
    & skf18("1","1","9","8","1","8","1") = "8"
    & skf18("1","1","9","8","1","9","1") = "8"
    & skf18("1","1","9","8","1","10","1") = "9"
    & skf18("1","1","9","8","2","1","1") = "8"
    & skf18("1","1","9","8","2","2","1") = "8"
    & skf18("1","1","9","8","2","3","1") = "8"
    & skf18("1","1","9","8","2","4","1") = "8"
    & skf18("1","1","9","8","2","5","1") = "8"
    & skf18("1","1","9","8","2","6","1") = "8"
    & skf18("1","1","9","8","2","7","1") = "8"
    & skf18("1","1","9","8","2","8","1") = "8"
    & skf18("1","1","9","8","2","9","1") = "8"
    & skf18("1","1","9","8","2","10","1") = "9"
    & skf18("1","1","9","8","3","1","1") = "8"
    & skf18("1","1","9","8","3","2","1") = "8"
    & skf18("1","1","9","8","3","3","1") = "8"
    & skf18("1","1","9","8","3","4","1") = "8"
    & skf18("1","1","9","8","3","5","1") = "8"
    & skf18("1","1","9","8","3","6","1") = "8"
    & skf18("1","1","9","8","3","7","1") = "8"
    & skf18("1","1","9","8","3","8","1") = "8"
    & skf18("1","1","9","8","3","9","1") = "8"
    & skf18("1","1","9","8","3","10","1") = "9"
    & skf18("1","1","9","8","4","1","1") = "8"
    & skf18("1","1","9","8","4","2","1") = "8"
    & skf18("1","1","9","8","4","3","1") = "8"
    & skf18("1","1","9","8","4","4","1") = "8"
    & skf18("1","1","9","8","4","5","1") = "8"
    & skf18("1","1","9","8","4","6","1") = "8"
    & skf18("1","1","9","8","4","7","1") = "8"
    & skf18("1","1","9","8","4","8","1") = "8"
    & skf18("1","1","9","8","4","9","1") = "8"
    & skf18("1","1","9","8","4","10","1") = "9"
    & skf18("1","1","9","8","5","1","1") = "8"
    & skf18("1","1","9","8","5","2","1") = "8"
    & skf18("1","1","9","8","5","3","1") = "8"
    & skf18("1","1","9","8","5","4","1") = "8"
    & skf18("1","1","9","8","5","5","1") = "8"
    & skf18("1","1","9","8","5","6","1") = "8"
    & skf18("1","1","9","8","5","7","1") = "8"
    & skf18("1","1","9","8","5","8","1") = "8"
    & skf18("1","1","9","8","5","9","1") = "8"
    & skf18("1","1","9","8","5","10","1") = "9"
    & skf18("1","1","9","8","6","1","1") = "8"
    & skf18("1","1","9","8","6","2","1") = "8"
    & skf18("1","1","9","8","6","3","1") = "8"
    & skf18("1","1","9","8","6","4","1") = "8"
    & skf18("1","1","9","8","6","5","1") = "8"
    & skf18("1","1","9","8","6","6","1") = "8"
    & skf18("1","1","9","8","6","7","1") = "8"
    & skf18("1","1","9","8","6","8","1") = "8"
    & skf18("1","1","9","8","6","9","1") = "8"
    & skf18("1","1","9","8","6","10","1") = "9"
    & skf18("1","1","9","8","7","1","1") = "8"
    & skf18("1","1","9","8","7","2","1") = "8"
    & skf18("1","1","9","8","7","3","1") = "8"
    & skf18("1","1","9","8","7","4","1") = "8"
    & skf18("1","1","9","8","7","5","1") = "8"
    & skf18("1","1","9","8","7","6","1") = "8"
    & skf18("1","1","9","8","7","7","1") = "8"
    & skf18("1","1","9","8","7","8","1") = "8"
    & skf18("1","1","9","8","7","9","1") = "8"
    & skf18("1","1","9","8","7","10","1") = "9"
    & skf18("1","1","9","8","8","1","1") = "8"
    & skf18("1","1","9","8","8","2","1") = "8"
    & skf18("1","1","9","8","8","3","1") = "8"
    & skf18("1","1","9","8","8","4","1") = "8"
    & skf18("1","1","9","8","8","5","1") = "8"
    & skf18("1","1","9","8","8","6","1") = "8"
    & skf18("1","1","9","8","8","7","1") = "8"
    & skf18("1","1","9","8","8","8","1") = "8"
    & skf18("1","1","9","8","8","9","1") = "8"
    & skf18("1","1","9","8","8","10","1") = "9"
    & skf18("1","1","9","8","9","1","1") = "8"
    & skf18("1","1","9","8","9","2","1") = "8"
    & skf18("1","1","9","8","9","3","1") = "8"
    & skf18("1","1","9","8","9","4","1") = "8"
    & skf18("1","1","9","8","9","5","1") = "8"
    & skf18("1","1","9","8","9","6","1") = "8"
    & skf18("1","1","9","8","9","7","1") = "8"
    & skf18("1","1","9","8","9","8","1") = "8"
    & skf18("1","1","9","8","9","9","1") = "8"
    & skf18("1","1","9","8","9","10","1") = "9"
    & skf18("1","1","9","8","10","1","1") = "9"
    & skf18("1","1","9","8","10","2","1") = "9"
    & skf18("1","1","9","8","10","3","1") = "9"
    & skf18("1","1","9","8","10","4","1") = "9"
    & skf18("1","1","9","8","10","5","1") = "9"
    & skf18("1","1","9","8","10","6","1") = "9"
    & skf18("1","1","9","8","10","7","1") = "9"
    & skf18("1","1","9","8","10","8","1") = "9"
    & skf18("1","1","9","8","10","9","1") = "9"
    & skf18("1","1","9","8","10","10","1") = "9"
    & skf18("1","1","9","9","1","1","1") = "8"
    & skf18("1","1","9","9","1","2","1") = "8"
    & skf18("1","1","9","9","1","3","1") = "8"
    & skf18("1","1","9","9","1","4","1") = "8"
    & skf18("1","1","9","9","1","5","1") = "8"
    & skf18("1","1","9","9","1","6","1") = "8"
    & skf18("1","1","9","9","1","7","1") = "8"
    & skf18("1","1","9","9","1","8","1") = "8"
    & skf18("1","1","9","9","1","9","1") = "8"
    & skf18("1","1","9","9","1","10","1") = "9"
    & skf18("1","1","9","9","2","1","1") = "8"
    & skf18("1","1","9","9","2","2","1") = "8"
    & skf18("1","1","9","9","2","3","1") = "8"
    & skf18("1","1","9","9","2","4","1") = "8"
    & skf18("1","1","9","9","2","5","1") = "8"
    & skf18("1","1","9","9","2","6","1") = "8"
    & skf18("1","1","9","9","2","7","1") = "8"
    & skf18("1","1","9","9","2","8","1") = "8"
    & skf18("1","1","9","9","2","9","1") = "8"
    & skf18("1","1","9","9","2","10","1") = "9"
    & skf18("1","1","9","9","3","1","1") = "8"
    & skf18("1","1","9","9","3","2","1") = "8"
    & skf18("1","1","9","9","3","3","1") = "8"
    & skf18("1","1","9","9","3","4","1") = "8"
    & skf18("1","1","9","9","3","5","1") = "8"
    & skf18("1","1","9","9","3","6","1") = "8"
    & skf18("1","1","9","9","3","7","1") = "8"
    & skf18("1","1","9","9","3","8","1") = "8"
    & skf18("1","1","9","9","3","9","1") = "8"
    & skf18("1","1","9","9","3","10","1") = "9"
    & skf18("1","1","9","9","4","1","1") = "8"
    & skf18("1","1","9","9","4","2","1") = "8"
    & skf18("1","1","9","9","4","3","1") = "8"
    & skf18("1","1","9","9","4","4","1") = "8"
    & skf18("1","1","9","9","4","5","1") = "8"
    & skf18("1","1","9","9","4","6","1") = "8"
    & skf18("1","1","9","9","4","7","1") = "8"
    & skf18("1","1","9","9","4","8","1") = "8"
    & skf18("1","1","9","9","4","9","1") = "8"
    & skf18("1","1","9","9","4","10","1") = "9"
    & skf18("1","1","9","9","5","1","1") = "8"
    & skf18("1","1","9","9","5","2","1") = "8"
    & skf18("1","1","9","9","5","3","1") = "8"
    & skf18("1","1","9","9","5","4","1") = "8"
    & skf18("1","1","9","9","5","5","1") = "8"
    & skf18("1","1","9","9","5","6","1") = "8"
    & skf18("1","1","9","9","5","7","1") = "8"
    & skf18("1","1","9","9","5","8","1") = "8"
    & skf18("1","1","9","9","5","9","1") = "8"
    & skf18("1","1","9","9","5","10","1") = "9"
    & skf18("1","1","9","9","6","1","1") = "8"
    & skf18("1","1","9","9","6","2","1") = "8"
    & skf18("1","1","9","9","6","3","1") = "8"
    & skf18("1","1","9","9","6","4","1") = "8"
    & skf18("1","1","9","9","6","5","1") = "8"
    & skf18("1","1","9","9","6","6","1") = "8"
    & skf18("1","1","9","9","6","7","1") = "8"
    & skf18("1","1","9","9","6","8","1") = "8"
    & skf18("1","1","9","9","6","9","1") = "8"
    & skf18("1","1","9","9","6","10","1") = "9"
    & skf18("1","1","9","9","7","1","1") = "8"
    & skf18("1","1","9","9","7","2","1") = "8"
    & skf18("1","1","9","9","7","3","1") = "8"
    & skf18("1","1","9","9","7","4","1") = "8"
    & skf18("1","1","9","9","7","5","1") = "8"
    & skf18("1","1","9","9","7","6","1") = "8"
    & skf18("1","1","9","9","7","7","1") = "8"
    & skf18("1","1","9","9","7","8","1") = "8"
    & skf18("1","1","9","9","7","9","1") = "8"
    & skf18("1","1","9","9","7","10","1") = "9"
    & skf18("1","1","9","9","8","1","1") = "8"
    & skf18("1","1","9","9","8","2","1") = "8"
    & skf18("1","1","9","9","8","3","1") = "8"
    & skf18("1","1","9","9","8","4","1") = "8"
    & skf18("1","1","9","9","8","5","1") = "8"
    & skf18("1","1","9","9","8","6","1") = "8"
    & skf18("1","1","9","9","8","7","1") = "8"
    & skf18("1","1","9","9","8","8","1") = "8"
    & skf18("1","1","9","9","8","9","1") = "8"
    & skf18("1","1","9","9","8","10","1") = "9"
    & skf18("1","1","9","9","9","1","1") = "8"
    & skf18("1","1","9","9","9","2","1") = "8"
    & skf18("1","1","9","9","9","3","1") = "8"
    & skf18("1","1","9","9","9","4","1") = "8"
    & skf18("1","1","9","9","9","5","1") = "8"
    & skf18("1","1","9","9","9","6","1") = "8"
    & skf18("1","1","9","9","9","7","1") = "8"
    & skf18("1","1","9","9","9","8","1") = "8"
    & skf18("1","1","9","9","9","9","1") = "8"
    & skf18("1","1","9","9","9","10","1") = "9"
    & skf18("1","1","9","9","10","1","1") = "9"
    & skf18("1","1","9","9","10","2","1") = "9"
    & skf18("1","1","9","9","10","3","1") = "9"
    & skf18("1","1","9","9","10","4","1") = "9"
    & skf18("1","1","9","9","10","5","1") = "9"
    & skf18("1","1","9","9","10","6","1") = "9"
    & skf18("1","1","9","9","10","7","1") = "9"
    & skf18("1","1","9","9","10","8","1") = "9"
    & skf18("1","1","9","9","10","9","1") = "9"
    & skf18("1","1","9","9","10","10","1") = "9"
    & skf18("1","1","9","10","1","1","1") = "9"
    & skf18("1","1","9","10","1","2","1") = "9"
    & skf18("1","1","9","10","1","3","1") = "9"
    & skf18("1","1","9","10","1","4","1") = "9"
    & skf18("1","1","9","10","1","5","1") = "9"
    & skf18("1","1","9","10","1","6","1") = "9"
    & skf18("1","1","9","10","1","7","1") = "9"
    & skf18("1","1","9","10","1","8","1") = "9"
    & skf18("1","1","9","10","1","9","1") = "9"
    & skf18("1","1","9","10","1","10","1") = "9"
    & skf18("1","1","9","10","2","1","1") = "9"
    & skf18("1","1","9","10","2","2","1") = "9"
    & skf18("1","1","9","10","2","3","1") = "9"
    & skf18("1","1","9","10","2","4","1") = "9"
    & skf18("1","1","9","10","2","5","1") = "9"
    & skf18("1","1","9","10","2","6","1") = "9"
    & skf18("1","1","9","10","2","7","1") = "9"
    & skf18("1","1","9","10","2","8","1") = "9"
    & skf18("1","1","9","10","2","9","1") = "9"
    & skf18("1","1","9","10","2","10","1") = "9"
    & skf18("1","1","9","10","3","1","1") = "9"
    & skf18("1","1","9","10","3","2","1") = "9"
    & skf18("1","1","9","10","3","3","1") = "9"
    & skf18("1","1","9","10","3","4","1") = "9"
    & skf18("1","1","9","10","3","5","1") = "9"
    & skf18("1","1","9","10","3","6","1") = "9"
    & skf18("1","1","9","10","3","7","1") = "9"
    & skf18("1","1","9","10","3","8","1") = "9"
    & skf18("1","1","9","10","3","9","1") = "9"
    & skf18("1","1","9","10","3","10","1") = "9"
    & skf18("1","1","9","10","4","1","1") = "9"
    & skf18("1","1","9","10","4","2","1") = "9"
    & skf18("1","1","9","10","4","3","1") = "9"
    & skf18("1","1","9","10","4","4","1") = "9"
    & skf18("1","1","9","10","4","5","1") = "9"
    & skf18("1","1","9","10","4","6","1") = "9"
    & skf18("1","1","9","10","4","7","1") = "9"
    & skf18("1","1","9","10","4","8","1") = "9"
    & skf18("1","1","9","10","4","9","1") = "9"
    & skf18("1","1","9","10","4","10","1") = "9"
    & skf18("1","1","9","10","5","1","1") = "9"
    & skf18("1","1","9","10","5","2","1") = "9"
    & skf18("1","1","9","10","5","3","1") = "9"
    & skf18("1","1","9","10","5","4","1") = "9"
    & skf18("1","1","9","10","5","5","1") = "9"
    & skf18("1","1","9","10","5","6","1") = "9"
    & skf18("1","1","9","10","5","7","1") = "9"
    & skf18("1","1","9","10","5","8","1") = "9"
    & skf18("1","1","9","10","5","9","1") = "9"
    & skf18("1","1","9","10","5","10","1") = "9"
    & skf18("1","1","9","10","6","1","1") = "9"
    & skf18("1","1","9","10","6","2","1") = "9"
    & skf18("1","1","9","10","6","3","1") = "9"
    & skf18("1","1","9","10","6","4","1") = "9"
    & skf18("1","1","9","10","6","5","1") = "9"
    & skf18("1","1","9","10","6","6","1") = "9"
    & skf18("1","1","9","10","6","7","1") = "9"
    & skf18("1","1","9","10","6","8","1") = "9"
    & skf18("1","1","9","10","6","9","1") = "9"
    & skf18("1","1","9","10","6","10","1") = "9"
    & skf18("1","1","9","10","7","1","1") = "9"
    & skf18("1","1","9","10","7","2","1") = "9"
    & skf18("1","1","9","10","7","3","1") = "9"
    & skf18("1","1","9","10","7","4","1") = "9"
    & skf18("1","1","9","10","7","5","1") = "9"
    & skf18("1","1","9","10","7","6","1") = "9"
    & skf18("1","1","9","10","7","7","1") = "9"
    & skf18("1","1","9","10","7","8","1") = "9"
    & skf18("1","1","9","10","7","9","1") = "9"
    & skf18("1","1","9","10","7","10","1") = "9"
    & skf18("1","1","9","10","8","1","1") = "9"
    & skf18("1","1","9","10","8","2","1") = "9"
    & skf18("1","1","9","10","8","3","1") = "9"
    & skf18("1","1","9","10","8","4","1") = "9"
    & skf18("1","1","9","10","8","5","1") = "9"
    & skf18("1","1","9","10","8","6","1") = "9"
    & skf18("1","1","9","10","8","7","1") = "9"
    & skf18("1","1","9","10","8","8","1") = "9"
    & skf18("1","1","9","10","8","9","1") = "9"
    & skf18("1","1","9","10","8","10","1") = "9"
    & skf18("1","1","9","10","9","1","1") = "9"
    & skf18("1","1","9","10","9","2","1") = "9"
    & skf18("1","1","9","10","9","3","1") = "9"
    & skf18("1","1","9","10","9","4","1") = "9"
    & skf18("1","1","9","10","9","5","1") = "9"
    & skf18("1","1","9","10","9","6","1") = "9"
    & skf18("1","1","9","10","9","7","1") = "9"
    & skf18("1","1","9","10","9","8","1") = "9"
    & skf18("1","1","9","10","9","9","1") = "9"
    & skf18("1","1","9","10","9","10","1") = "9"
    & skf18("1","1","9","10","10","1","1") = "9"
    & skf18("1","1","9","10","10","2","1") = "9"
    & skf18("1","1","9","10","10","3","1") = "9"
    & skf18("1","1","9","10","10","4","1") = "9"
    & skf18("1","1","9","10","10","5","1") = "9"
    & skf18("1","1","9","10","10","6","1") = "9"
    & skf18("1","1","9","10","10","7","1") = "9"
    & skf18("1","1","9","10","10","8","1") = "9"
    & skf18("1","1","9","10","10","9","1") = "9"
    & skf18("1","1","9","10","10","10","1") = "9"
    & skf18("1","1","10","1","1","1","1") = "9"
    & skf18("1","1","10","1","1","2","1") = "9"
    & skf18("1","1","10","1","1","3","1") = "9"
    & skf18("1","1","10","1","1","4","1") = "9"
    & skf18("1","1","10","1","1","5","1") = "9"
    & skf18("1","1","10","1","1","6","1") = "9"
    & skf18("1","1","10","1","1","7","1") = "9"
    & skf18("1","1","10","1","1","8","1") = "9"
    & skf18("1","1","10","1","1","9","1") = "9"
    & skf18("1","1","10","1","1","10","1") = "9"
    & skf18("1","1","10","1","2","1","1") = "9"
    & skf18("1","1","10","1","2","2","1") = "9"
    & skf18("1","1","10","1","2","3","1") = "9"
    & skf18("1","1","10","1","2","4","1") = "9"
    & skf18("1","1","10","1","2","5","1") = "9"
    & skf18("1","1","10","1","2","6","1") = "9"
    & skf18("1","1","10","1","2","7","1") = "9"
    & skf18("1","1","10","1","2","8","1") = "9"
    & skf18("1","1","10","1","2","9","1") = "9"
    & skf18("1","1","10","1","2","10","1") = "9"
    & skf18("1","1","10","1","3","1","1") = "9"
    & skf18("1","1","10","1","3","2","1") = "9"
    & skf18("1","1","10","1","3","3","1") = "9"
    & skf18("1","1","10","1","3","4","1") = "9"
    & skf18("1","1","10","1","3","5","1") = "9"
    & skf18("1","1","10","1","3","6","1") = "9"
    & skf18("1","1","10","1","3","7","1") = "9"
    & skf18("1","1","10","1","3","8","1") = "9"
    & skf18("1","1","10","1","3","9","1") = "9"
    & skf18("1","1","10","1","3","10","1") = "9"
    & skf18("1","1","10","1","4","1","1") = "9"
    & skf18("1","1","10","1","4","2","1") = "9"
    & skf18("1","1","10","1","4","3","1") = "9"
    & skf18("1","1","10","1","4","4","1") = "9"
    & skf18("1","1","10","1","4","5","1") = "9"
    & skf18("1","1","10","1","4","6","1") = "9"
    & skf18("1","1","10","1","4","7","1") = "9"
    & skf18("1","1","10","1","4","8","1") = "9"
    & skf18("1","1","10","1","4","9","1") = "9"
    & skf18("1","1","10","1","4","10","1") = "9"
    & skf18("1","1","10","1","5","1","1") = "9"
    & skf18("1","1","10","1","5","2","1") = "9"
    & skf18("1","1","10","1","5","3","1") = "9"
    & skf18("1","1","10","1","5","4","1") = "9"
    & skf18("1","1","10","1","5","5","1") = "9"
    & skf18("1","1","10","1","5","6","1") = "9"
    & skf18("1","1","10","1","5","7","1") = "9"
    & skf18("1","1","10","1","5","8","1") = "9"
    & skf18("1","1","10","1","5","9","1") = "9"
    & skf18("1","1","10","1","5","10","1") = "9"
    & skf18("1","1","10","1","6","1","1") = "9"
    & skf18("1","1","10","1","6","2","1") = "9"
    & skf18("1","1","10","1","6","3","1") = "9"
    & skf18("1","1","10","1","6","4","1") = "9"
    & skf18("1","1","10","1","6","5","1") = "9"
    & skf18("1","1","10","1","6","6","1") = "9"
    & skf18("1","1","10","1","6","7","1") = "9"
    & skf18("1","1","10","1","6","8","1") = "9"
    & skf18("1","1","10","1","6","9","1") = "9"
    & skf18("1","1","10","1","6","10","1") = "9"
    & skf18("1","1","10","1","7","1","1") = "9"
    & skf18("1","1","10","1","7","2","1") = "9"
    & skf18("1","1","10","1","7","3","1") = "9"
    & skf18("1","1","10","1","7","4","1") = "9"
    & skf18("1","1","10","1","7","5","1") = "9"
    & skf18("1","1","10","1","7","6","1") = "9"
    & skf18("1","1","10","1","7","7","1") = "9"
    & skf18("1","1","10","1","7","8","1") = "9"
    & skf18("1","1","10","1","7","9","1") = "9"
    & skf18("1","1","10","1","7","10","1") = "9"
    & skf18("1","1","10","1","8","1","1") = "9"
    & skf18("1","1","10","1","8","2","1") = "9"
    & skf18("1","1","10","1","8","3","1") = "9"
    & skf18("1","1","10","1","8","4","1") = "9"
    & skf18("1","1","10","1","8","5","1") = "9"
    & skf18("1","1","10","1","8","6","1") = "9"
    & skf18("1","1","10","1","8","7","1") = "9"
    & skf18("1","1","10","1","8","8","1") = "9"
    & skf18("1","1","10","1","8","9","1") = "9"
    & skf18("1","1","10","1","8","10","1") = "9"
    & skf18("1","1","10","1","9","1","1") = "9"
    & skf18("1","1","10","1","9","2","1") = "9"
    & skf18("1","1","10","1","9","3","1") = "9"
    & skf18("1","1","10","1","9","4","1") = "9"
    & skf18("1","1","10","1","9","5","1") = "9"
    & skf18("1","1","10","1","9","6","1") = "9"
    & skf18("1","1","10","1","9","7","1") = "9"
    & skf18("1","1","10","1","9","8","1") = "9"
    & skf18("1","1","10","1","9","9","1") = "9"
    & skf18("1","1","10","1","9","10","1") = "9"
    & skf18("1","1","10","1","10","1","1") = "9"
    & skf18("1","1","10","1","10","2","1") = "9"
    & skf18("1","1","10","1","10","3","1") = "9"
    & skf18("1","1","10","1","10","4","1") = "9"
    & skf18("1","1","10","1","10","5","1") = "9"
    & skf18("1","1","10","1","10","6","1") = "9"
    & skf18("1","1","10","1","10","7","1") = "9"
    & skf18("1","1","10","1","10","8","1") = "9"
    & skf18("1","1","10","1","10","9","1") = "9"
    & skf18("1","1","10","1","10","10","1") = "9"
    & skf18("1","1","10","2","1","1","1") = "9"
    & skf18("1","1","10","2","1","2","1") = "9"
    & skf18("1","1","10","2","1","3","1") = "9"
    & skf18("1","1","10","2","1","4","1") = "9"
    & skf18("1","1","10","2","1","5","1") = "9"
    & skf18("1","1","10","2","1","6","1") = "9"
    & skf18("1","1","10","2","1","7","1") = "9"
    & skf18("1","1","10","2","1","8","1") = "9"
    & skf18("1","1","10","2","1","9","1") = "9"
    & skf18("1","1","10","2","1","10","1") = "9"
    & skf18("1","1","10","2","2","1","1") = "9"
    & skf18("1","1","10","2","2","2","1") = "9"
    & skf18("1","1","10","2","2","3","1") = "9"
    & skf18("1","1","10","2","2","4","1") = "9"
    & skf18("1","1","10","2","2","5","1") = "9"
    & skf18("1","1","10","2","2","6","1") = "9"
    & skf18("1","1","10","2","2","7","1") = "9"
    & skf18("1","1","10","2","2","8","1") = "9"
    & skf18("1","1","10","2","2","9","1") = "9"
    & skf18("1","1","10","2","2","10","1") = "9"
    & skf18("1","1","10","2","3","1","1") = "9"
    & skf18("1","1","10","2","3","2","1") = "9"
    & skf18("1","1","10","2","3","3","1") = "9"
    & skf18("1","1","10","2","3","4","1") = "9"
    & skf18("1","1","10","2","3","5","1") = "9"
    & skf18("1","1","10","2","3","6","1") = "9"
    & skf18("1","1","10","2","3","7","1") = "9"
    & skf18("1","1","10","2","3","8","1") = "9"
    & skf18("1","1","10","2","3","9","1") = "9"
    & skf18("1","1","10","2","3","10","1") = "9"
    & skf18("1","1","10","2","4","1","1") = "9"
    & skf18("1","1","10","2","4","2","1") = "9"
    & skf18("1","1","10","2","4","3","1") = "9"
    & skf18("1","1","10","2","4","4","1") = "9"
    & skf18("1","1","10","2","4","5","1") = "9"
    & skf18("1","1","10","2","4","6","1") = "9"
    & skf18("1","1","10","2","4","7","1") = "9"
    & skf18("1","1","10","2","4","8","1") = "9"
    & skf18("1","1","10","2","4","9","1") = "9"
    & skf18("1","1","10","2","4","10","1") = "9"
    & skf18("1","1","10","2","5","1","1") = "9"
    & skf18("1","1","10","2","5","2","1") = "9"
    & skf18("1","1","10","2","5","3","1") = "9"
    & skf18("1","1","10","2","5","4","1") = "9"
    & skf18("1","1","10","2","5","5","1") = "9"
    & skf18("1","1","10","2","5","6","1") = "9"
    & skf18("1","1","10","2","5","7","1") = "9"
    & skf18("1","1","10","2","5","8","1") = "9"
    & skf18("1","1","10","2","5","9","1") = "9"
    & skf18("1","1","10","2","5","10","1") = "9"
    & skf18("1","1","10","2","6","1","1") = "9"
    & skf18("1","1","10","2","6","2","1") = "9"
    & skf18("1","1","10","2","6","3","1") = "9"
    & skf18("1","1","10","2","6","4","1") = "9"
    & skf18("1","1","10","2","6","5","1") = "9"
    & skf18("1","1","10","2","6","6","1") = "9"
    & skf18("1","1","10","2","6","7","1") = "9"
    & skf18("1","1","10","2","6","8","1") = "9"
    & skf18("1","1","10","2","6","9","1") = "9"
    & skf18("1","1","10","2","6","10","1") = "9"
    & skf18("1","1","10","2","7","1","1") = "9"
    & skf18("1","1","10","2","7","2","1") = "9"
    & skf18("1","1","10","2","7","3","1") = "9"
    & skf18("1","1","10","2","7","4","1") = "9"
    & skf18("1","1","10","2","7","5","1") = "9"
    & skf18("1","1","10","2","7","6","1") = "9"
    & skf18("1","1","10","2","7","7","1") = "9"
    & skf18("1","1","10","2","7","8","1") = "9"
    & skf18("1","1","10","2","7","9","1") = "9"
    & skf18("1","1","10","2","7","10","1") = "9"
    & skf18("1","1","10","2","8","1","1") = "9"
    & skf18("1","1","10","2","8","2","1") = "9"
    & skf18("1","1","10","2","8","3","1") = "9"
    & skf18("1","1","10","2","8","4","1") = "9"
    & skf18("1","1","10","2","8","5","1") = "9"
    & skf18("1","1","10","2","8","6","1") = "9"
    & skf18("1","1","10","2","8","7","1") = "9"
    & skf18("1","1","10","2","8","8","1") = "9"
    & skf18("1","1","10","2","8","9","1") = "9"
    & skf18("1","1","10","2","8","10","1") = "9"
    & skf18("1","1","10","2","9","1","1") = "9"
    & skf18("1","1","10","2","9","2","1") = "9"
    & skf18("1","1","10","2","9","3","1") = "9"
    & skf18("1","1","10","2","9","4","1") = "9"
    & skf18("1","1","10","2","9","5","1") = "9"
    & skf18("1","1","10","2","9","6","1") = "9"
    & skf18("1","1","10","2","9","7","1") = "9"
    & skf18("1","1","10","2","9","8","1") = "9"
    & skf18("1","1","10","2","9","9","1") = "9"
    & skf18("1","1","10","2","9","10","1") = "9"
    & skf18("1","1","10","2","10","1","1") = "9"
    & skf18("1","1","10","2","10","2","1") = "9"
    & skf18("1","1","10","2","10","3","1") = "9"
    & skf18("1","1","10","2","10","4","1") = "9"
    & skf18("1","1","10","2","10","5","1") = "9"
    & skf18("1","1","10","2","10","6","1") = "9"
    & skf18("1","1","10","2","10","7","1") = "9"
    & skf18("1","1","10","2","10","8","1") = "9"
    & skf18("1","1","10","2","10","9","1") = "9"
    & skf18("1","1","10","2","10","10","1") = "9"
    & skf18("1","1","10","3","1","1","1") = "9"
    & skf18("1","1","10","3","1","2","1") = "9"
    & skf18("1","1","10","3","1","3","1") = "9"
    & skf18("1","1","10","3","1","4","1") = "9"
    & skf18("1","1","10","3","1","5","1") = "9"
    & skf18("1","1","10","3","1","6","1") = "9"
    & skf18("1","1","10","3","1","7","1") = "9"
    & skf18("1","1","10","3","1","8","1") = "9"
    & skf18("1","1","10","3","1","9","1") = "9"
    & skf18("1","1","10","3","1","10","1") = "9"
    & skf18("1","1","10","3","2","1","1") = "9"
    & skf18("1","1","10","3","2","2","1") = "9"
    & skf18("1","1","10","3","2","3","1") = "9"
    & skf18("1","1","10","3","2","4","1") = "9"
    & skf18("1","1","10","3","2","5","1") = "9"
    & skf18("1","1","10","3","2","6","1") = "9"
    & skf18("1","1","10","3","2","7","1") = "9"
    & skf18("1","1","10","3","2","8","1") = "9"
    & skf18("1","1","10","3","2","9","1") = "9"
    & skf18("1","1","10","3","2","10","1") = "9"
    & skf18("1","1","10","3","3","1","1") = "9"
    & skf18("1","1","10","3","3","2","1") = "9"
    & skf18("1","1","10","3","3","3","1") = "9"
    & skf18("1","1","10","3","3","4","1") = "9"
    & skf18("1","1","10","3","3","5","1") = "9"
    & skf18("1","1","10","3","3","6","1") = "9"
    & skf18("1","1","10","3","3","7","1") = "9"
    & skf18("1","1","10","3","3","8","1") = "9"
    & skf18("1","1","10","3","3","9","1") = "9"
    & skf18("1","1","10","3","3","10","1") = "9"
    & skf18("1","1","10","3","4","1","1") = "9"
    & skf18("1","1","10","3","4","2","1") = "9"
    & skf18("1","1","10","3","4","3","1") = "9"
    & skf18("1","1","10","3","4","4","1") = "9"
    & skf18("1","1","10","3","4","5","1") = "9"
    & skf18("1","1","10","3","4","6","1") = "9"
    & skf18("1","1","10","3","4","7","1") = "9"
    & skf18("1","1","10","3","4","8","1") = "9"
    & skf18("1","1","10","3","4","9","1") = "9"
    & skf18("1","1","10","3","4","10","1") = "9"
    & skf18("1","1","10","3","5","1","1") = "9"
    & skf18("1","1","10","3","5","2","1") = "9"
    & skf18("1","1","10","3","5","3","1") = "9"
    & skf18("1","1","10","3","5","4","1") = "9"
    & skf18("1","1","10","3","5","5","1") = "9"
    & skf18("1","1","10","3","5","6","1") = "9"
    & skf18("1","1","10","3","5","7","1") = "9"
    & skf18("1","1","10","3","5","8","1") = "9"
    & skf18("1","1","10","3","5","9","1") = "9"
    & skf18("1","1","10","3","5","10","1") = "9"
    & skf18("1","1","10","3","6","1","1") = "9"
    & skf18("1","1","10","3","6","2","1") = "9"
    & skf18("1","1","10","3","6","3","1") = "9"
    & skf18("1","1","10","3","6","4","1") = "9"
    & skf18("1","1","10","3","6","5","1") = "9"
    & skf18("1","1","10","3","6","6","1") = "9"
    & skf18("1","1","10","3","6","7","1") = "9"
    & skf18("1","1","10","3","6","8","1") = "9"
    & skf18("1","1","10","3","6","9","1") = "9"
    & skf18("1","1","10","3","6","10","1") = "9"
    & skf18("1","1","10","3","7","1","1") = "9"
    & skf18("1","1","10","3","7","2","1") = "9"
    & skf18("1","1","10","3","7","3","1") = "9"
    & skf18("1","1","10","3","7","4","1") = "9"
    & skf18("1","1","10","3","7","5","1") = "9"
    & skf18("1","1","10","3","7","6","1") = "9"
    & skf18("1","1","10","3","7","7","1") = "9"
    & skf18("1","1","10","3","7","8","1") = "9"
    & skf18("1","1","10","3","7","9","1") = "9"
    & skf18("1","1","10","3","7","10","1") = "9"
    & skf18("1","1","10","3","8","1","1") = "9"
    & skf18("1","1","10","3","8","2","1") = "9"
    & skf18("1","1","10","3","8","3","1") = "9"
    & skf18("1","1","10","3","8","4","1") = "9"
    & skf18("1","1","10","3","8","5","1") = "9"
    & skf18("1","1","10","3","8","6","1") = "9"
    & skf18("1","1","10","3","8","7","1") = "9"
    & skf18("1","1","10","3","8","8","1") = "9"
    & skf18("1","1","10","3","8","9","1") = "9"
    & skf18("1","1","10","3","8","10","1") = "9"
    & skf18("1","1","10","3","9","1","1") = "9"
    & skf18("1","1","10","3","9","2","1") = "9"
    & skf18("1","1","10","3","9","3","1") = "9"
    & skf18("1","1","10","3","9","4","1") = "9"
    & skf18("1","1","10","3","9","5","1") = "9"
    & skf18("1","1","10","3","9","6","1") = "9"
    & skf18("1","1","10","3","9","7","1") = "9"
    & skf18("1","1","10","3","9","8","1") = "9"
    & skf18("1","1","10","3","9","9","1") = "9"
    & skf18("1","1","10","3","9","10","1") = "9"
    & skf18("1","1","10","3","10","1","1") = "9"
    & skf18("1","1","10","3","10","2","1") = "9"
    & skf18("1","1","10","3","10","3","1") = "9"
    & skf18("1","1","10","3","10","4","1") = "9"
    & skf18("1","1","10","3","10","5","1") = "9"
    & skf18("1","1","10","3","10","6","1") = "9"
    & skf18("1","1","10","3","10","7","1") = "9"
    & skf18("1","1","10","3","10","8","1") = "9"
    & skf18("1","1","10","3","10","9","1") = "9"
    & skf18("1","1","10","3","10","10","1") = "9"
    & skf18("1","1","10","4","1","1","1") = "9"
    & skf18("1","1","10","4","1","2","1") = "9"
    & skf18("1","1","10","4","1","3","1") = "9"
    & skf18("1","1","10","4","1","4","1") = "9"
    & skf18("1","1","10","4","1","5","1") = "9"
    & skf18("1","1","10","4","1","6","1") = "9"
    & skf18("1","1","10","4","1","7","1") = "9"
    & skf18("1","1","10","4","1","8","1") = "9"
    & skf18("1","1","10","4","1","9","1") = "9"
    & skf18("1","1","10","4","1","10","1") = "9"
    & skf18("1","1","10","4","2","1","1") = "9"
    & skf18("1","1","10","4","2","2","1") = "9"
    & skf18("1","1","10","4","2","3","1") = "9"
    & skf18("1","1","10","4","2","4","1") = "9"
    & skf18("1","1","10","4","2","5","1") = "9"
    & skf18("1","1","10","4","2","6","1") = "9"
    & skf18("1","1","10","4","2","7","1") = "9"
    & skf18("1","1","10","4","2","8","1") = "9"
    & skf18("1","1","10","4","2","9","1") = "9"
    & skf18("1","1","10","4","2","10","1") = "9"
    & skf18("1","1","10","4","3","1","1") = "9"
    & skf18("1","1","10","4","3","2","1") = "9"
    & skf18("1","1","10","4","3","3","1") = "9"
    & skf18("1","1","10","4","3","4","1") = "9"
    & skf18("1","1","10","4","3","5","1") = "9"
    & skf18("1","1","10","4","3","6","1") = "9"
    & skf18("1","1","10","4","3","7","1") = "9"
    & skf18("1","1","10","4","3","8","1") = "9"
    & skf18("1","1","10","4","3","9","1") = "9"
    & skf18("1","1","10","4","3","10","1") = "9"
    & skf18("1","1","10","4","4","1","1") = "9"
    & skf18("1","1","10","4","4","2","1") = "9"
    & skf18("1","1","10","4","4","3","1") = "9"
    & skf18("1","1","10","4","4","4","1") = "9"
    & skf18("1","1","10","4","4","5","1") = "9"
    & skf18("1","1","10","4","4","6","1") = "9"
    & skf18("1","1","10","4","4","7","1") = "9"
    & skf18("1","1","10","4","4","8","1") = "9"
    & skf18("1","1","10","4","4","9","1") = "9"
    & skf18("1","1","10","4","4","10","1") = "9"
    & skf18("1","1","10","4","5","1","1") = "9"
    & skf18("1","1","10","4","5","2","1") = "9"
    & skf18("1","1","10","4","5","3","1") = "9"
    & skf18("1","1","10","4","5","4","1") = "9"
    & skf18("1","1","10","4","5","5","1") = "9"
    & skf18("1","1","10","4","5","6","1") = "9"
    & skf18("1","1","10","4","5","7","1") = "9"
    & skf18("1","1","10","4","5","8","1") = "9"
    & skf18("1","1","10","4","5","9","1") = "9"
    & skf18("1","1","10","4","5","10","1") = "9"
    & skf18("1","1","10","4","6","1","1") = "9"
    & skf18("1","1","10","4","6","2","1") = "9"
    & skf18("1","1","10","4","6","3","1") = "9"
    & skf18("1","1","10","4","6","4","1") = "9"
    & skf18("1","1","10","4","6","5","1") = "9"
    & skf18("1","1","10","4","6","6","1") = "9"
    & skf18("1","1","10","4","6","7","1") = "9"
    & skf18("1","1","10","4","6","8","1") = "9"
    & skf18("1","1","10","4","6","9","1") = "9"
    & skf18("1","1","10","4","6","10","1") = "9"
    & skf18("1","1","10","4","7","1","1") = "9"
    & skf18("1","1","10","4","7","2","1") = "9"
    & skf18("1","1","10","4","7","3","1") = "9"
    & skf18("1","1","10","4","7","4","1") = "9"
    & skf18("1","1","10","4","7","5","1") = "9"
    & skf18("1","1","10","4","7","6","1") = "9"
    & skf18("1","1","10","4","7","7","1") = "9"
    & skf18("1","1","10","4","7","8","1") = "9"
    & skf18("1","1","10","4","7","9","1") = "9"
    & skf18("1","1","10","4","7","10","1") = "9"
    & skf18("1","1","10","4","8","1","1") = "9"
    & skf18("1","1","10","4","8","2","1") = "9"
    & skf18("1","1","10","4","8","3","1") = "9"
    & skf18("1","1","10","4","8","4","1") = "9"
    & skf18("1","1","10","4","8","5","1") = "9"
    & skf18("1","1","10","4","8","6","1") = "9"
    & skf18("1","1","10","4","8","7","1") = "9"
    & skf18("1","1","10","4","8","8","1") = "9"
    & skf18("1","1","10","4","8","9","1") = "9"
    & skf18("1","1","10","4","8","10","1") = "9"
    & skf18("1","1","10","4","9","1","1") = "9"
    & skf18("1","1","10","4","9","2","1") = "9"
    & skf18("1","1","10","4","9","3","1") = "9"
    & skf18("1","1","10","4","9","4","1") = "9"
    & skf18("1","1","10","4","9","5","1") = "9"
    & skf18("1","1","10","4","9","6","1") = "9"
    & skf18("1","1","10","4","9","7","1") = "9"
    & skf18("1","1","10","4","9","8","1") = "9"
    & skf18("1","1","10","4","9","9","1") = "9"
    & skf18("1","1","10","4","9","10","1") = "9"
    & skf18("1","1","10","4","10","1","1") = "9"
    & skf18("1","1","10","4","10","2","1") = "9"
    & skf18("1","1","10","4","10","3","1") = "9"
    & skf18("1","1","10","4","10","4","1") = "9"
    & skf18("1","1","10","4","10","5","1") = "9"
    & skf18("1","1","10","4","10","6","1") = "9"
    & skf18("1","1","10","4","10","7","1") = "9"
    & skf18("1","1","10","4","10","8","1") = "9"
    & skf18("1","1","10","4","10","9","1") = "9"
    & skf18("1","1","10","4","10","10","1") = "9"
    & skf18("1","1","10","5","1","1","1") = "9"
    & skf18("1","1","10","5","1","2","1") = "9"
    & skf18("1","1","10","5","1","3","1") = "9"
    & skf18("1","1","10","5","1","4","1") = "9"
    & skf18("1","1","10","5","1","5","1") = "9"
    & skf18("1","1","10","5","1","6","1") = "9"
    & skf18("1","1","10","5","1","7","1") = "9"
    & skf18("1","1","10","5","1","8","1") = "9"
    & skf18("1","1","10","5","1","9","1") = "9"
    & skf18("1","1","10","5","1","10","1") = "9"
    & skf18("1","1","10","5","2","1","1") = "9"
    & skf18("1","1","10","5","2","2","1") = "9"
    & skf18("1","1","10","5","2","3","1") = "9"
    & skf18("1","1","10","5","2","4","1") = "9"
    & skf18("1","1","10","5","2","5","1") = "9"
    & skf18("1","1","10","5","2","6","1") = "9"
    & skf18("1","1","10","5","2","7","1") = "9"
    & skf18("1","1","10","5","2","8","1") = "9"
    & skf18("1","1","10","5","2","9","1") = "9"
    & skf18("1","1","10","5","2","10","1") = "9"
    & skf18("1","1","10","5","3","1","1") = "9"
    & skf18("1","1","10","5","3","2","1") = "9"
    & skf18("1","1","10","5","3","3","1") = "9"
    & skf18("1","1","10","5","3","4","1") = "9"
    & skf18("1","1","10","5","3","5","1") = "9"
    & skf18("1","1","10","5","3","6","1") = "9"
    & skf18("1","1","10","5","3","7","1") = "9"
    & skf18("1","1","10","5","3","8","1") = "9"
    & skf18("1","1","10","5","3","9","1") = "9"
    & skf18("1","1","10","5","3","10","1") = "9"
    & skf18("1","1","10","5","4","1","1") = "9"
    & skf18("1","1","10","5","4","2","1") = "9"
    & skf18("1","1","10","5","4","3","1") = "9"
    & skf18("1","1","10","5","4","4","1") = "9"
    & skf18("1","1","10","5","4","5","1") = "9"
    & skf18("1","1","10","5","4","6","1") = "9"
    & skf18("1","1","10","5","4","7","1") = "9"
    & skf18("1","1","10","5","4","8","1") = "9"
    & skf18("1","1","10","5","4","9","1") = "9"
    & skf18("1","1","10","5","4","10","1") = "9"
    & skf18("1","1","10","5","5","1","1") = "9"
    & skf18("1","1","10","5","5","2","1") = "9"
    & skf18("1","1","10","5","5","3","1") = "9"
    & skf18("1","1","10","5","5","4","1") = "9"
    & skf18("1","1","10","5","5","5","1") = "9"
    & skf18("1","1","10","5","5","6","1") = "9"
    & skf18("1","1","10","5","5","7","1") = "9"
    & skf18("1","1","10","5","5","8","1") = "9"
    & skf18("1","1","10","5","5","9","1") = "9"
    & skf18("1","1","10","5","5","10","1") = "9"
    & skf18("1","1","10","5","6","1","1") = "9"
    & skf18("1","1","10","5","6","2","1") = "9"
    & skf18("1","1","10","5","6","3","1") = "9"
    & skf18("1","1","10","5","6","4","1") = "9"
    & skf18("1","1","10","5","6","5","1") = "9"
    & skf18("1","1","10","5","6","6","1") = "9"
    & skf18("1","1","10","5","6","7","1") = "9"
    & skf18("1","1","10","5","6","8","1") = "9"
    & skf18("1","1","10","5","6","9","1") = "9"
    & skf18("1","1","10","5","6","10","1") = "9"
    & skf18("1","1","10","5","7","1","1") = "9"
    & skf18("1","1","10","5","7","2","1") = "9"
    & skf18("1","1","10","5","7","3","1") = "9"
    & skf18("1","1","10","5","7","4","1") = "9"
    & skf18("1","1","10","5","7","5","1") = "9"
    & skf18("1","1","10","5","7","6","1") = "9"
    & skf18("1","1","10","5","7","7","1") = "9"
    & skf18("1","1","10","5","7","8","1") = "9"
    & skf18("1","1","10","5","7","9","1") = "9"
    & skf18("1","1","10","5","7","10","1") = "9"
    & skf18("1","1","10","5","8","1","1") = "9"
    & skf18("1","1","10","5","8","2","1") = "9"
    & skf18("1","1","10","5","8","3","1") = "9"
    & skf18("1","1","10","5","8","4","1") = "9"
    & skf18("1","1","10","5","8","5","1") = "9"
    & skf18("1","1","10","5","8","6","1") = "9"
    & skf18("1","1","10","5","8","7","1") = "9"
    & skf18("1","1","10","5","8","8","1") = "9"
    & skf18("1","1","10","5","8","9","1") = "9"
    & skf18("1","1","10","5","8","10","1") = "9"
    & skf18("1","1","10","5","9","1","1") = "9"
    & skf18("1","1","10","5","9","2","1") = "9"
    & skf18("1","1","10","5","9","3","1") = "9"
    & skf18("1","1","10","5","9","4","1") = "9"
    & skf18("1","1","10","5","9","5","1") = "9"
    & skf18("1","1","10","5","9","6","1") = "9"
    & skf18("1","1","10","5","9","7","1") = "9"
    & skf18("1","1","10","5","9","8","1") = "9"
    & skf18("1","1","10","5","9","9","1") = "9"
    & skf18("1","1","10","5","9","10","1") = "9"
    & skf18("1","1","10","5","10","1","1") = "9"
    & skf18("1","1","10","5","10","2","1") = "9"
    & skf18("1","1","10","5","10","3","1") = "9"
    & skf18("1","1","10","5","10","4","1") = "9"
    & skf18("1","1","10","5","10","5","1") = "9"
    & skf18("1","1","10","5","10","6","1") = "9"
    & skf18("1","1","10","5","10","7","1") = "9"
    & skf18("1","1","10","5","10","8","1") = "9"
    & skf18("1","1","10","5","10","9","1") = "9"
    & skf18("1","1","10","5","10","10","1") = "9"
    & skf18("1","1","10","6","1","1","1") = "9"
    & skf18("1","1","10","6","1","2","1") = "9"
    & skf18("1","1","10","6","1","3","1") = "9"
    & skf18("1","1","10","6","1","4","1") = "9"
    & skf18("1","1","10","6","1","5","1") = "9"
    & skf18("1","1","10","6","1","6","1") = "9"
    & skf18("1","1","10","6","1","7","1") = "9"
    & skf18("1","1","10","6","1","8","1") = "9"
    & skf18("1","1","10","6","1","9","1") = "9"
    & skf18("1","1","10","6","1","10","1") = "9"
    & skf18("1","1","10","6","2","1","1") = "9"
    & skf18("1","1","10","6","2","2","1") = "9"
    & skf18("1","1","10","6","2","3","1") = "9"
    & skf18("1","1","10","6","2","4","1") = "9"
    & skf18("1","1","10","6","2","5","1") = "9"
    & skf18("1","1","10","6","2","6","1") = "9"
    & skf18("1","1","10","6","2","7","1") = "9"
    & skf18("1","1","10","6","2","8","1") = "9"
    & skf18("1","1","10","6","2","9","1") = "9"
    & skf18("1","1","10","6","2","10","1") = "9"
    & skf18("1","1","10","6","3","1","1") = "9"
    & skf18("1","1","10","6","3","2","1") = "9"
    & skf18("1","1","10","6","3","3","1") = "9"
    & skf18("1","1","10","6","3","4","1") = "9"
    & skf18("1","1","10","6","3","5","1") = "9"
    & skf18("1","1","10","6","3","6","1") = "9"
    & skf18("1","1","10","6","3","7","1") = "9"
    & skf18("1","1","10","6","3","8","1") = "9"
    & skf18("1","1","10","6","3","9","1") = "9"
    & skf18("1","1","10","6","3","10","1") = "9"
    & skf18("1","1","10","6","4","1","1") = "9"
    & skf18("1","1","10","6","4","2","1") = "9"
    & skf18("1","1","10","6","4","3","1") = "9"
    & skf18("1","1","10","6","4","4","1") = "9"
    & skf18("1","1","10","6","4","5","1") = "9"
    & skf18("1","1","10","6","4","6","1") = "9"
    & skf18("1","1","10","6","4","7","1") = "9"
    & skf18("1","1","10","6","4","8","1") = "9"
    & skf18("1","1","10","6","4","9","1") = "9"
    & skf18("1","1","10","6","4","10","1") = "9"
    & skf18("1","1","10","6","5","1","1") = "9"
    & skf18("1","1","10","6","5","2","1") = "9"
    & skf18("1","1","10","6","5","3","1") = "9"
    & skf18("1","1","10","6","5","4","1") = "9"
    & skf18("1","1","10","6","5","5","1") = "9"
    & skf18("1","1","10","6","5","6","1") = "9"
    & skf18("1","1","10","6","5","7","1") = "9"
    & skf18("1","1","10","6","5","8","1") = "9"
    & skf18("1","1","10","6","5","9","1") = "9"
    & skf18("1","1","10","6","5","10","1") = "9"
    & skf18("1","1","10","6","6","1","1") = "9"
    & skf18("1","1","10","6","6","2","1") = "9"
    & skf18("1","1","10","6","6","3","1") = "9"
    & skf18("1","1","10","6","6","4","1") = "9"
    & skf18("1","1","10","6","6","5","1") = "9"
    & skf18("1","1","10","6","6","6","1") = "9"
    & skf18("1","1","10","6","6","7","1") = "9"
    & skf18("1","1","10","6","6","8","1") = "9"
    & skf18("1","1","10","6","6","9","1") = "9"
    & skf18("1","1","10","6","6","10","1") = "9"
    & skf18("1","1","10","6","7","1","1") = "9"
    & skf18("1","1","10","6","7","2","1") = "9"
    & skf18("1","1","10","6","7","3","1") = "9"
    & skf18("1","1","10","6","7","4","1") = "9"
    & skf18("1","1","10","6","7","5","1") = "9"
    & skf18("1","1","10","6","7","6","1") = "9"
    & skf18("1","1","10","6","7","7","1") = "9"
    & skf18("1","1","10","6","7","8","1") = "9"
    & skf18("1","1","10","6","7","9","1") = "9"
    & skf18("1","1","10","6","7","10","1") = "9"
    & skf18("1","1","10","6","8","1","1") = "9"
    & skf18("1","1","10","6","8","2","1") = "9"
    & skf18("1","1","10","6","8","3","1") = "9"
    & skf18("1","1","10","6","8","4","1") = "9"
    & skf18("1","1","10","6","8","5","1") = "9"
    & skf18("1","1","10","6","8","6","1") = "9"
    & skf18("1","1","10","6","8","7","1") = "9"
    & skf18("1","1","10","6","8","8","1") = "9"
    & skf18("1","1","10","6","8","9","1") = "9"
    & skf18("1","1","10","6","8","10","1") = "9"
    & skf18("1","1","10","6","9","1","1") = "9"
    & skf18("1","1","10","6","9","2","1") = "9"
    & skf18("1","1","10","6","9","3","1") = "9"
    & skf18("1","1","10","6","9","4","1") = "9"
    & skf18("1","1","10","6","9","5","1") = "9"
    & skf18("1","1","10","6","9","6","1") = "9"
    & skf18("1","1","10","6","9","7","1") = "9"
    & skf18("1","1","10","6","9","8","1") = "9"
    & skf18("1","1","10","6","9","9","1") = "9"
    & skf18("1","1","10","6","9","10","1") = "9"
    & skf18("1","1","10","6","10","1","1") = "9"
    & skf18("1","1","10","6","10","2","1") = "9"
    & skf18("1","1","10","6","10","3","1") = "9"
    & skf18("1","1","10","6","10","4","1") = "9"
    & skf18("1","1","10","6","10","5","1") = "9"
    & skf18("1","1","10","6","10","6","1") = "9"
    & skf18("1","1","10","6","10","7","1") = "9"
    & skf18("1","1","10","6","10","8","1") = "9"
    & skf18("1","1","10","6","10","9","1") = "9"
    & skf18("1","1","10","6","10","10","1") = "9"
    & skf18("1","1","10","7","1","1","1") = "9"
    & skf18("1","1","10","7","1","2","1") = "9"
    & skf18("1","1","10","7","1","3","1") = "9"
    & skf18("1","1","10","7","1","4","1") = "9"
    & skf18("1","1","10","7","1","5","1") = "9"
    & skf18("1","1","10","7","1","6","1") = "9"
    & skf18("1","1","10","7","1","7","1") = "9"
    & skf18("1","1","10","7","1","8","1") = "9"
    & skf18("1","1","10","7","1","9","1") = "9"
    & skf18("1","1","10","7","1","10","1") = "9"
    & skf18("1","1","10","7","2","1","1") = "9"
    & skf18("1","1","10","7","2","2","1") = "9"
    & skf18("1","1","10","7","2","3","1") = "9"
    & skf18("1","1","10","7","2","4","1") = "9"
    & skf18("1","1","10","7","2","5","1") = "9"
    & skf18("1","1","10","7","2","6","1") = "9"
    & skf18("1","1","10","7","2","7","1") = "9"
    & skf18("1","1","10","7","2","8","1") = "9"
    & skf18("1","1","10","7","2","9","1") = "9"
    & skf18("1","1","10","7","2","10","1") = "9"
    & skf18("1","1","10","7","3","1","1") = "9"
    & skf18("1","1","10","7","3","2","1") = "9"
    & skf18("1","1","10","7","3","3","1") = "9"
    & skf18("1","1","10","7","3","4","1") = "9"
    & skf18("1","1","10","7","3","5","1") = "9"
    & skf18("1","1","10","7","3","6","1") = "9"
    & skf18("1","1","10","7","3","7","1") = "9"
    & skf18("1","1","10","7","3","8","1") = "9"
    & skf18("1","1","10","7","3","9","1") = "9"
    & skf18("1","1","10","7","3","10","1") = "9"
    & skf18("1","1","10","7","4","1","1") = "9"
    & skf18("1","1","10","7","4","2","1") = "9"
    & skf18("1","1","10","7","4","3","1") = "9"
    & skf18("1","1","10","7","4","4","1") = "9"
    & skf18("1","1","10","7","4","5","1") = "9"
    & skf18("1","1","10","7","4","6","1") = "9"
    & skf18("1","1","10","7","4","7","1") = "9"
    & skf18("1","1","10","7","4","8","1") = "9"
    & skf18("1","1","10","7","4","9","1") = "9"
    & skf18("1","1","10","7","4","10","1") = "9"
    & skf18("1","1","10","7","5","1","1") = "9"
    & skf18("1","1","10","7","5","2","1") = "9"
    & skf18("1","1","10","7","5","3","1") = "9"
    & skf18("1","1","10","7","5","4","1") = "9"
    & skf18("1","1","10","7","5","5","1") = "9"
    & skf18("1","1","10","7","5","6","1") = "9"
    & skf18("1","1","10","7","5","7","1") = "9"
    & skf18("1","1","10","7","5","8","1") = "9"
    & skf18("1","1","10","7","5","9","1") = "9"
    & skf18("1","1","10","7","5","10","1") = "9"
    & skf18("1","1","10","7","6","1","1") = "9"
    & skf18("1","1","10","7","6","2","1") = "9"
    & skf18("1","1","10","7","6","3","1") = "9"
    & skf18("1","1","10","7","6","4","1") = "9"
    & skf18("1","1","10","7","6","5","1") = "9"
    & skf18("1","1","10","7","6","6","1") = "9"
    & skf18("1","1","10","7","6","7","1") = "9"
    & skf18("1","1","10","7","6","8","1") = "9"
    & skf18("1","1","10","7","6","9","1") = "9"
    & skf18("1","1","10","7","6","10","1") = "9"
    & skf18("1","1","10","7","7","1","1") = "9"
    & skf18("1","1","10","7","7","2","1") = "9"
    & skf18("1","1","10","7","7","3","1") = "9"
    & skf18("1","1","10","7","7","4","1") = "9"
    & skf18("1","1","10","7","7","5","1") = "9"
    & skf18("1","1","10","7","7","6","1") = "9"
    & skf18("1","1","10","7","7","7","1") = "9"
    & skf18("1","1","10","7","7","8","1") = "9"
    & skf18("1","1","10","7","7","9","1") = "9"
    & skf18("1","1","10","7","7","10","1") = "9"
    & skf18("1","1","10","7","8","1","1") = "9"
    & skf18("1","1","10","7","8","2","1") = "9"
    & skf18("1","1","10","7","8","3","1") = "9"
    & skf18("1","1","10","7","8","4","1") = "9"
    & skf18("1","1","10","7","8","5","1") = "9"
    & skf18("1","1","10","7","8","6","1") = "9"
    & skf18("1","1","10","7","8","7","1") = "9"
    & skf18("1","1","10","7","8","8","1") = "9"
    & skf18("1","1","10","7","8","9","1") = "9"
    & skf18("1","1","10","7","8","10","1") = "9"
    & skf18("1","1","10","7","9","1","1") = "9"
    & skf18("1","1","10","7","9","2","1") = "9"
    & skf18("1","1","10","7","9","3","1") = "9"
    & skf18("1","1","10","7","9","4","1") = "9"
    & skf18("1","1","10","7","9","5","1") = "9"
    & skf18("1","1","10","7","9","6","1") = "9"
    & skf18("1","1","10","7","9","7","1") = "9"
    & skf18("1","1","10","7","9","8","1") = "9"
    & skf18("1","1","10","7","9","9","1") = "9"
    & skf18("1","1","10","7","9","10","1") = "9"
    & skf18("1","1","10","7","10","1","1") = "9"
    & skf18("1","1","10","7","10","2","1") = "9"
    & skf18("1","1","10","7","10","3","1") = "9"
    & skf18("1","1","10","7","10","4","1") = "9"
    & skf18("1","1","10","7","10","5","1") = "9"
    & skf18("1","1","10","7","10","6","1") = "9"
    & skf18("1","1","10","7","10","7","1") = "9"
    & skf18("1","1","10","7","10","8","1") = "9"
    & skf18("1","1","10","7","10","9","1") = "9"
    & skf18("1","1","10","7","10","10","1") = "9"
    & skf18("1","1","10","8","1","1","1") = "9"
    & skf18("1","1","10","8","1","2","1") = "9"
    & skf18("1","1","10","8","1","3","1") = "9"
    & skf18("1","1","10","8","1","4","1") = "9"
    & skf18("1","1","10","8","1","5","1") = "9"
    & skf18("1","1","10","8","1","6","1") = "9"
    & skf18("1","1","10","8","1","7","1") = "9"
    & skf18("1","1","10","8","1","8","1") = "9"
    & skf18("1","1","10","8","1","9","1") = "9"
    & skf18("1","1","10","8","1","10","1") = "9"
    & skf18("1","1","10","8","2","1","1") = "9"
    & skf18("1","1","10","8","2","2","1") = "9"
    & skf18("1","1","10","8","2","3","1") = "9"
    & skf18("1","1","10","8","2","4","1") = "9"
    & skf18("1","1","10","8","2","5","1") = "9"
    & skf18("1","1","10","8","2","6","1") = "9"
    & skf18("1","1","10","8","2","7","1") = "9"
    & skf18("1","1","10","8","2","8","1") = "9"
    & skf18("1","1","10","8","2","9","1") = "9"
    & skf18("1","1","10","8","2","10","1") = "9"
    & skf18("1","1","10","8","3","1","1") = "9"
    & skf18("1","1","10","8","3","2","1") = "9"
    & skf18("1","1","10","8","3","3","1") = "9"
    & skf18("1","1","10","8","3","4","1") = "9"
    & skf18("1","1","10","8","3","5","1") = "9"
    & skf18("1","1","10","8","3","6","1") = "9"
    & skf18("1","1","10","8","3","7","1") = "9"
    & skf18("1","1","10","8","3","8","1") = "9"
    & skf18("1","1","10","8","3","9","1") = "9"
    & skf18("1","1","10","8","3","10","1") = "9"
    & skf18("1","1","10","8","4","1","1") = "9"
    & skf18("1","1","10","8","4","2","1") = "9"
    & skf18("1","1","10","8","4","3","1") = "9"
    & skf18("1","1","10","8","4","4","1") = "9"
    & skf18("1","1","10","8","4","5","1") = "9"
    & skf18("1","1","10","8","4","6","1") = "9"
    & skf18("1","1","10","8","4","7","1") = "9"
    & skf18("1","1","10","8","4","8","1") = "9"
    & skf18("1","1","10","8","4","9","1") = "9"
    & skf18("1","1","10","8","4","10","1") = "9"
    & skf18("1","1","10","8","5","1","1") = "9"
    & skf18("1","1","10","8","5","2","1") = "9"
    & skf18("1","1","10","8","5","3","1") = "9"
    & skf18("1","1","10","8","5","4","1") = "9"
    & skf18("1","1","10","8","5","5","1") = "9"
    & skf18("1","1","10","8","5","6","1") = "9"
    & skf18("1","1","10","8","5","7","1") = "9"
    & skf18("1","1","10","8","5","8","1") = "9"
    & skf18("1","1","10","8","5","9","1") = "9"
    & skf18("1","1","10","8","5","10","1") = "9"
    & skf18("1","1","10","8","6","1","1") = "9"
    & skf18("1","1","10","8","6","2","1") = "9"
    & skf18("1","1","10","8","6","3","1") = "9"
    & skf18("1","1","10","8","6","4","1") = "9"
    & skf18("1","1","10","8","6","5","1") = "9"
    & skf18("1","1","10","8","6","6","1") = "9"
    & skf18("1","1","10","8","6","7","1") = "9"
    & skf18("1","1","10","8","6","8","1") = "9"
    & skf18("1","1","10","8","6","9","1") = "9"
    & skf18("1","1","10","8","6","10","1") = "9"
    & skf18("1","1","10","8","7","1","1") = "9"
    & skf18("1","1","10","8","7","2","1") = "9"
    & skf18("1","1","10","8","7","3","1") = "9"
    & skf18("1","1","10","8","7","4","1") = "9"
    & skf18("1","1","10","8","7","5","1") = "9"
    & skf18("1","1","10","8","7","6","1") = "9"
    & skf18("1","1","10","8","7","7","1") = "9"
    & skf18("1","1","10","8","7","8","1") = "9"
    & skf18("1","1","10","8","7","9","1") = "9"
    & skf18("1","1","10","8","7","10","1") = "9"
    & skf18("1","1","10","8","8","1","1") = "9"
    & skf18("1","1","10","8","8","2","1") = "9"
    & skf18("1","1","10","8","8","3","1") = "9"
    & skf18("1","1","10","8","8","4","1") = "9"
    & skf18("1","1","10","8","8","5","1") = "9"
    & skf18("1","1","10","8","8","6","1") = "9"
    & skf18("1","1","10","8","8","7","1") = "9"
    & skf18("1","1","10","8","8","8","1") = "9"
    & skf18("1","1","10","8","8","9","1") = "9"
    & skf18("1","1","10","8","8","10","1") = "9"
    & skf18("1","1","10","8","9","1","1") = "9"
    & skf18("1","1","10","8","9","2","1") = "9"
    & skf18("1","1","10","8","9","3","1") = "9"
    & skf18("1","1","10","8","9","4","1") = "9"
    & skf18("1","1","10","8","9","5","1") = "9"
    & skf18("1","1","10","8","9","6","1") = "9"
    & skf18("1","1","10","8","9","7","1") = "9"
    & skf18("1","1","10","8","9","8","1") = "9"
    & skf18("1","1","10","8","9","9","1") = "9"
    & skf18("1","1","10","8","9","10","1") = "9"
    & skf18("1","1","10","8","10","1","1") = "9"
    & skf18("1","1","10","8","10","2","1") = "9"
    & skf18("1","1","10","8","10","3","1") = "9"
    & skf18("1","1","10","8","10","4","1") = "9"
    & skf18("1","1","10","8","10","5","1") = "9"
    & skf18("1","1","10","8","10","6","1") = "9"
    & skf18("1","1","10","8","10","7","1") = "9"
    & skf18("1","1","10","8","10","8","1") = "9"
    & skf18("1","1","10","8","10","9","1") = "9"
    & skf18("1","1","10","8","10","10","1") = "9"
    & skf18("1","1","10","9","1","1","1") = "9"
    & skf18("1","1","10","9","1","2","1") = "9"
    & skf18("1","1","10","9","1","3","1") = "9"
    & skf18("1","1","10","9","1","4","1") = "9"
    & skf18("1","1","10","9","1","5","1") = "9"
    & skf18("1","1","10","9","1","6","1") = "9"
    & skf18("1","1","10","9","1","7","1") = "9"
    & skf18("1","1","10","9","1","8","1") = "9"
    & skf18("1","1","10","9","1","9","1") = "9"
    & skf18("1","1","10","9","1","10","1") = "9"
    & skf18("1","1","10","9","2","1","1") = "9"
    & skf18("1","1","10","9","2","2","1") = "9"
    & skf18("1","1","10","9","2","3","1") = "9"
    & skf18("1","1","10","9","2","4","1") = "9"
    & skf18("1","1","10","9","2","5","1") = "9"
    & skf18("1","1","10","9","2","6","1") = "9"
    & skf18("1","1","10","9","2","7","1") = "9"
    & skf18("1","1","10","9","2","8","1") = "9"
    & skf18("1","1","10","9","2","9","1") = "9"
    & skf18("1","1","10","9","2","10","1") = "9"
    & skf18("1","1","10","9","3","1","1") = "9"
    & skf18("1","1","10","9","3","2","1") = "9"
    & skf18("1","1","10","9","3","3","1") = "9"
    & skf18("1","1","10","9","3","4","1") = "9"
    & skf18("1","1","10","9","3","5","1") = "9"
    & skf18("1","1","10","9","3","6","1") = "9"
    & skf18("1","1","10","9","3","7","1") = "9"
    & skf18("1","1","10","9","3","8","1") = "9"
    & skf18("1","1","10","9","3","9","1") = "9"
    & skf18("1","1","10","9","3","10","1") = "9"
    & skf18("1","1","10","9","4","1","1") = "9"
    & skf18("1","1","10","9","4","2","1") = "9"
    & skf18("1","1","10","9","4","3","1") = "9"
    & skf18("1","1","10","9","4","4","1") = "9"
    & skf18("1","1","10","9","4","5","1") = "9"
    & skf18("1","1","10","9","4","6","1") = "9"
    & skf18("1","1","10","9","4","7","1") = "9"
    & skf18("1","1","10","9","4","8","1") = "9"
    & skf18("1","1","10","9","4","9","1") = "9"
    & skf18("1","1","10","9","4","10","1") = "9"
    & skf18("1","1","10","9","5","1","1") = "9"
    & skf18("1","1","10","9","5","2","1") = "9"
    & skf18("1","1","10","9","5","3","1") = "9"
    & skf18("1","1","10","9","5","4","1") = "9"
    & skf18("1","1","10","9","5","5","1") = "9"
    & skf18("1","1","10","9","5","6","1") = "9"
    & skf18("1","1","10","9","5","7","1") = "9"
    & skf18("1","1","10","9","5","8","1") = "9"
    & skf18("1","1","10","9","5","9","1") = "9"
    & skf18("1","1","10","9","5","10","1") = "9"
    & skf18("1","1","10","9","6","1","1") = "9"
    & skf18("1","1","10","9","6","2","1") = "9"
    & skf18("1","1","10","9","6","3","1") = "9"
    & skf18("1","1","10","9","6","4","1") = "9"
    & skf18("1","1","10","9","6","5","1") = "9"
    & skf18("1","1","10","9","6","6","1") = "9"
    & skf18("1","1","10","9","6","7","1") = "9"
    & skf18("1","1","10","9","6","8","1") = "9"
    & skf18("1","1","10","9","6","9","1") = "9"
    & skf18("1","1","10","9","6","10","1") = "9"
    & skf18("1","1","10","9","7","1","1") = "9"
    & skf18("1","1","10","9","7","2","1") = "9"
    & skf18("1","1","10","9","7","3","1") = "9"
    & skf18("1","1","10","9","7","4","1") = "9"
    & skf18("1","1","10","9","7","5","1") = "9"
    & skf18("1","1","10","9","7","6","1") = "9"
    & skf18("1","1","10","9","7","7","1") = "9"
    & skf18("1","1","10","9","7","8","1") = "9"
    & skf18("1","1","10","9","7","9","1") = "9"
    & skf18("1","1","10","9","7","10","1") = "9"
    & skf18("1","1","10","9","8","1","1") = "9"
    & skf18("1","1","10","9","8","2","1") = "9"
    & skf18("1","1","10","9","8","3","1") = "9"
    & skf18("1","1","10","9","8","4","1") = "9"
    & skf18("1","1","10","9","8","5","1") = "9"
    & skf18("1","1","10","9","8","6","1") = "9"
    & skf18("1","1","10","9","8","7","1") = "9"
    & skf18("1","1","10","9","8","8","1") = "9"
    & skf18("1","1","10","9","8","9","1") = "9"
    & skf18("1","1","10","9","8","10","1") = "9"
    & skf18("1","1","10","9","9","1","1") = "9"
    & skf18("1","1","10","9","9","2","1") = "9"
    & skf18("1","1","10","9","9","3","1") = "9"
    & skf18("1","1","10","9","9","4","1") = "9"
    & skf18("1","1","10","9","9","5","1") = "9"
    & skf18("1","1","10","9","9","6","1") = "9"
    & skf18("1","1","10","9","9","7","1") = "9"
    & skf18("1","1","10","9","9","8","1") = "9"
    & skf18("1","1","10","9","9","9","1") = "9"
    & skf18("1","1","10","9","9","10","1") = "9"
    & skf18("1","1","10","9","10","1","1") = "9"
    & skf18("1","1","10","9","10","2","1") = "9"
    & skf18("1","1","10","9","10","3","1") = "9"
    & skf18("1","1","10","9","10","4","1") = "9"
    & skf18("1","1","10","9","10","5","1") = "9"
    & skf18("1","1","10","9","10","6","1") = "9"
    & skf18("1","1","10","9","10","7","1") = "9"
    & skf18("1","1","10","9","10","8","1") = "9"
    & skf18("1","1","10","9","10","9","1") = "9"
    & skf18("1","1","10","9","10","10","1") = "9"
    & skf18("1","1","10","10","1","1","1") = "9"
    & skf18("1","1","10","10","1","2","1") = "9"
    & skf18("1","1","10","10","1","3","1") = "9"
    & skf18("1","1","10","10","1","4","1") = "9"
    & skf18("1","1","10","10","1","5","1") = "9"
    & skf18("1","1","10","10","1","6","1") = "9"
    & skf18("1","1","10","10","1","7","1") = "9"
    & skf18("1","1","10","10","1","8","1") = "9"
    & skf18("1","1","10","10","1","9","1") = "9"
    & skf18("1","1","10","10","1","10","1") = "9"
    & skf18("1","1","10","10","2","1","1") = "9"
    & skf18("1","1","10","10","2","2","1") = "9"
    & skf18("1","1","10","10","2","3","1") = "9"
    & skf18("1","1","10","10","2","4","1") = "9"
    & skf18("1","1","10","10","2","5","1") = "9"
    & skf18("1","1","10","10","2","6","1") = "9"
    & skf18("1","1","10","10","2","7","1") = "9"
    & skf18("1","1","10","10","2","8","1") = "9"
    & skf18("1","1","10","10","2","9","1") = "9"
    & skf18("1","1","10","10","2","10","1") = "9"
    & skf18("1","1","10","10","3","1","1") = "9"
    & skf18("1","1","10","10","3","2","1") = "9"
    & skf18("1","1","10","10","3","3","1") = "9"
    & skf18("1","1","10","10","3","4","1") = "9"
    & skf18("1","1","10","10","3","5","1") = "9"
    & skf18("1","1","10","10","3","6","1") = "9"
    & skf18("1","1","10","10","3","7","1") = "9"
    & skf18("1","1","10","10","3","8","1") = "9"
    & skf18("1","1","10","10","3","9","1") = "9"
    & skf18("1","1","10","10","3","10","1") = "9"
    & skf18("1","1","10","10","4","1","1") = "9"
    & skf18("1","1","10","10","4","2","1") = "9"
    & skf18("1","1","10","10","4","3","1") = "9"
    & skf18("1","1","10","10","4","4","1") = "9"
    & skf18("1","1","10","10","4","5","1") = "9"
    & skf18("1","1","10","10","4","6","1") = "9"
    & skf18("1","1","10","10","4","7","1") = "9"
    & skf18("1","1","10","10","4","8","1") = "9"
    & skf18("1","1","10","10","4","9","1") = "9"
    & skf18("1","1","10","10","4","10","1") = "9"
    & skf18("1","1","10","10","5","1","1") = "9"
    & skf18("1","1","10","10","5","2","1") = "9"
    & skf18("1","1","10","10","5","3","1") = "9"
    & skf18("1","1","10","10","5","4","1") = "9"
    & skf18("1","1","10","10","5","5","1") = "9"
    & skf18("1","1","10","10","5","6","1") = "9"
    & skf18("1","1","10","10","5","7","1") = "9"
    & skf18("1","1","10","10","5","8","1") = "9"
    & skf18("1","1","10","10","5","9","1") = "9"
    & skf18("1","1","10","10","5","10","1") = "9"
    & skf18("1","1","10","10","6","1","1") = "9"
    & skf18("1","1","10","10","6","2","1") = "9"
    & skf18("1","1","10","10","6","3","1") = "9"
    & skf18("1","1","10","10","6","4","1") = "9"
    & skf18("1","1","10","10","6","5","1") = "9"
    & skf18("1","1","10","10","6","6","1") = "9"
    & skf18("1","1","10","10","6","7","1") = "9"
    & skf18("1","1","10","10","6","8","1") = "9"
    & skf18("1","1","10","10","6","9","1") = "9"
    & skf18("1","1","10","10","6","10","1") = "9"
    & skf18("1","1","10","10","7","1","1") = "9"
    & skf18("1","1","10","10","7","2","1") = "9"
    & skf18("1","1","10","10","7","3","1") = "9"
    & skf18("1","1","10","10","7","4","1") = "9"
    & skf18("1","1","10","10","7","5","1") = "9"
    & skf18("1","1","10","10","7","6","1") = "9"
    & skf18("1","1","10","10","7","7","1") = "9"
    & skf18("1","1","10","10","7","8","1") = "9"
    & skf18("1","1","10","10","7","9","1") = "9"
    & skf18("1","1","10","10","7","10","1") = "9"
    & skf18("1","1","10","10","8","1","1") = "9"
    & skf18("1","1","10","10","8","2","1") = "9"
    & skf18("1","1","10","10","8","3","1") = "9"
    & skf18("1","1","10","10","8","4","1") = "9"
    & skf18("1","1","10","10","8","5","1") = "9"
    & skf18("1","1","10","10","8","6","1") = "9"
    & skf18("1","1","10","10","8","7","1") = "9"
    & skf18("1","1","10","10","8","8","1") = "9"
    & skf18("1","1","10","10","8","9","1") = "9"
    & skf18("1","1","10","10","8","10","1") = "9"
    & skf18("1","1","10","10","9","1","1") = "9"
    & skf18("1","1","10","10","9","2","1") = "9"
    & skf18("1","1","10","10","9","3","1") = "9"
    & skf18("1","1","10","10","9","4","1") = "9"
    & skf18("1","1","10","10","9","5","1") = "9"
    & skf18("1","1","10","10","9","6","1") = "9"
    & skf18("1","1","10","10","9","7","1") = "9"
    & skf18("1","1","10","10","9","8","1") = "9"
    & skf18("1","1","10","10","9","9","1") = "9"
    & skf18("1","1","10","10","9","10","1") = "9"
    & skf18("1","1","10","10","10","1","1") = "9"
    & skf18("1","1","10","10","10","2","1") = "9"
    & skf18("1","1","10","10","10","3","1") = "9"
    & skf18("1","1","10","10","10","4","1") = "9"
    & skf18("1","1","10","10","10","5","1") = "9"
    & skf18("1","1","10","10","10","6","1") = "9"
    & skf18("1","1","10","10","10","7","1") = "9"
    & skf18("1","1","10","10","10","8","1") = "9"
    & skf18("1","1","10","10","10","9","1") = "9"
    & skf18("1","1","10","10","10","10","1") = "9"
    & skf18("1","2","1","1","1","1","1") = "1"
    & skf18("1","2","1","1","1","2","1") = "1"
    & skf18("1","2","1","1","1","3","1") = "2"
    & skf18("1","2","1","1","1","4","1") = "3"
    & skf18("1","2","1","1","1","5","1") = "4"
    & skf18("1","2","1","1","1","6","1") = "5"
    & skf18("1","2","1","1","1","7","1") = "6"
    & skf18("1","2","1","1","1","8","1") = "7"
    & skf18("1","2","1","1","1","9","1") = "8"
    & skf18("1","2","1","1","1","10","1") = "9"
    & skf18("1","2","1","1","2","1","1") = "1"
    & skf18("1","2","1","1","2","2","1") = "1"
    & skf18("1","2","1","1","2","3","1") = "2"
    & skf18("1","2","1","1","2","4","1") = "3"
    & skf18("1","2","1","1","2","5","1") = "4"
    & skf18("1","2","1","1","2","6","1") = "5"
    & skf18("1","2","1","1","2","7","1") = "6"
    & skf18("1","2","1","1","2","8","1") = "7"
    & skf18("1","2","1","1","2","9","1") = "8"
    & skf18("1","2","1","1","2","10","1") = "9"
    & skf18("1","2","1","1","3","1","1") = "2"
    & skf18("1","2","1","1","3","2","1") = "2"
    & skf18("1","2","1","1","3","3","1") = "2"
    & skf18("1","2","1","1","3","4","1") = "3"
    & skf18("1","2","1","1","3","5","1") = "4"
    & skf18("1","2","1","1","3","6","1") = "5"
    & skf18("1","2","1","1","3","7","1") = "6"
    & skf18("1","2","1","1","3","8","1") = "7"
    & skf18("1","2","1","1","3","9","1") = "8"
    & skf18("1","2","1","1","3","10","1") = "9"
    & skf18("1","2","1","1","4","1","1") = "3"
    & skf18("1","2","1","1","4","2","1") = "3"
    & skf18("1","2","1","1","4","3","1") = "3"
    & skf18("1","2","1","1","4","4","1") = "3"
    & skf18("1","2","1","1","4","5","1") = "4"
    & skf18("1","2","1","1","4","6","1") = "5"
    & skf18("1","2","1","1","4","7","1") = "6"
    & skf18("1","2","1","1","4","8","1") = "7"
    & skf18("1","2","1","1","4","9","1") = "8"
    & skf18("1","2","1","1","4","10","1") = "9"
    & skf18("1","2","1","1","5","1","1") = "4"
    & skf18("1","2","1","1","5","2","1") = "4"
    & skf18("1","2","1","1","5","3","1") = "4"
    & skf18("1","2","1","1","5","4","1") = "4"
    & skf18("1","2","1","1","5","5","1") = "4"
    & skf18("1","2","1","1","5","6","1") = "5"
    & skf18("1","2","1","1","5","7","1") = "6"
    & skf18("1","2","1","1","5","8","1") = "7"
    & skf18("1","2","1","1","5","9","1") = "8"
    & skf18("1","2","1","1","5","10","1") = "9"
    & skf18("1","2","1","1","6","1","1") = "5"
    & skf18("1","2","1","1","6","2","1") = "5"
    & skf18("1","2","1","1","6","3","1") = "5"
    & skf18("1","2","1","1","6","4","1") = "5"
    & skf18("1","2","1","1","6","5","1") = "5"
    & skf18("1","2","1","1","6","6","1") = "5"
    & skf18("1","2","1","1","6","7","1") = "6"
    & skf18("1","2","1","1","6","8","1") = "7"
    & skf18("1","2","1","1","6","9","1") = "8"
    & skf18("1","2","1","1","6","10","1") = "9"
    & skf18("1","2","1","1","7","1","1") = "6"
    & skf18("1","2","1","1","7","2","1") = "6"
    & skf18("1","2","1","1","7","3","1") = "6"
    & skf18("1","2","1","1","7","4","1") = "6"
    & skf18("1","2","1","1","7","5","1") = "6"
    & skf18("1","2","1","1","7","6","1") = "6"
    & skf18("1","2","1","1","7","7","1") = "6"
    & skf18("1","2","1","1","7","8","1") = "7"
    & skf18("1","2","1","1","7","9","1") = "8"
    & skf18("1","2","1","1","7","10","1") = "9"
    & skf18("1","2","1","1","8","1","1") = "7"
    & skf18("1","2","1","1","8","2","1") = "7"
    & skf18("1","2","1","1","8","3","1") = "7"
    & skf18("1","2","1","1","8","4","1") = "7"
    & skf18("1","2","1","1","8","5","1") = "7"
    & skf18("1","2","1","1","8","6","1") = "7"
    & skf18("1","2","1","1","8","7","1") = "7"
    & skf18("1","2","1","1","8","8","1") = "7"
    & skf18("1","2","1","1","8","9","1") = "8"
    & skf18("1","2","1","1","8","10","1") = "9"
    & skf18("1","2","1","1","9","1","1") = "8"
    & skf18("1","2","1","1","9","2","1") = "8"
    & skf18("1","2","1","1","9","3","1") = "8"
    & skf18("1","2","1","1","9","4","1") = "8"
    & skf18("1","2","1","1","9","5","1") = "8"
    & skf18("1","2","1","1","9","6","1") = "8"
    & skf18("1","2","1","1","9","7","1") = "8"
    & skf18("1","2","1","1","9","8","1") = "8"
    & skf18("1","2","1","1","9","9","1") = "8"
    & skf18("1","2","1","1","9","10","1") = "9"
    & skf18("1","2","1","1","10","1","1") = "9"
    & skf18("1","2","1","1","10","2","1") = "9"
    & skf18("1","2","1","1","10","3","1") = "9"
    & skf18("1","2","1","1","10","4","1") = "9"
    & skf18("1","2","1","1","10","5","1") = "9"
    & skf18("1","2","1","1","10","6","1") = "9"
    & skf18("1","2","1","1","10","7","1") = "9"
    & skf18("1","2","1","1","10","8","1") = "9"
    & skf18("1","2","1","1","10","9","1") = "9"
    & skf18("1","2","1","1","10","10","1") = "9"
    & skf18("1","2","1","2","1","1","1") = "1"
    & skf18("1","2","1","2","1","2","1") = "1"
    & skf18("1","2","1","2","1","3","1") = "2"
    & skf18("1","2","1","2","1","4","1") = "3"
    & skf18("1","2","1","2","1","5","1") = "4"
    & skf18("1","2","1","2","1","6","1") = "5"
    & skf18("1","2","1","2","1","7","1") = "6"
    & skf18("1","2","1","2","1","8","1") = "7"
    & skf18("1","2","1","2","1","9","1") = "8"
    & skf18("1","2","1","2","1","10","1") = "9"
    & skf18("1","2","1","2","2","1","1") = "1"
    & skf18("1","2","1","2","2","2","1") = "1"
    & skf18("1","2","1","2","2","3","1") = "2"
    & skf18("1","2","1","2","2","4","1") = "3"
    & skf18("1","2","1","2","2","5","1") = "4"
    & skf18("1","2","1","2","2","6","1") = "5"
    & skf18("1","2","1","2","2","7","1") = "6"
    & skf18("1","2","1","2","2","8","1") = "7"
    & skf18("1","2","1","2","2","9","1") = "8"
    & skf18("1","2","1","2","2","10","1") = "9"
    & skf18("1","2","1","2","3","1","1") = "2"
    & skf18("1","2","1","2","3","2","1") = "2"
    & skf18("1","2","1","2","3","3","1") = "2"
    & skf18("1","2","1","2","3","4","1") = "3"
    & skf18("1","2","1","2","3","5","1") = "4"
    & skf18("1","2","1","2","3","6","1") = "5"
    & skf18("1","2","1","2","3","7","1") = "6"
    & skf18("1","2","1","2","3","8","1") = "7"
    & skf18("1","2","1","2","3","9","1") = "8"
    & skf18("1","2","1","2","3","10","1") = "9"
    & skf18("1","2","1","2","4","1","1") = "3"
    & skf18("1","2","1","2","4","2","1") = "3"
    & skf18("1","2","1","2","4","3","1") = "3"
    & skf18("1","2","1","2","4","4","1") = "3"
    & skf18("1","2","1","2","4","5","1") = "4"
    & skf18("1","2","1","2","4","6","1") = "5"
    & skf18("1","2","1","2","4","7","1") = "6"
    & skf18("1","2","1","2","4","8","1") = "7"
    & skf18("1","2","1","2","4","9","1") = "8"
    & skf18("1","2","1","2","4","10","1") = "9"
    & skf18("1","2","1","2","5","1","1") = "4"
    & skf18("1","2","1","2","5","2","1") = "4"
    & skf18("1","2","1","2","5","3","1") = "4"
    & skf18("1","2","1","2","5","4","1") = "4"
    & skf18("1","2","1","2","5","5","1") = "4"
    & skf18("1","2","1","2","5","6","1") = "5"
    & skf18("1","2","1","2","5","7","1") = "6"
    & skf18("1","2","1","2","5","8","1") = "7"
    & skf18("1","2","1","2","5","9","1") = "8"
    & skf18("1","2","1","2","5","10","1") = "9"
    & skf18("1","2","1","2","6","1","1") = "5"
    & skf18("1","2","1","2","6","2","1") = "5"
    & skf18("1","2","1","2","6","3","1") = "5"
    & skf18("1","2","1","2","6","4","1") = "5"
    & skf18("1","2","1","2","6","5","1") = "5"
    & skf18("1","2","1","2","6","6","1") = "5"
    & skf18("1","2","1","2","6","7","1") = "6"
    & skf18("1","2","1","2","6","8","1") = "7"
    & skf18("1","2","1","2","6","9","1") = "8"
    & skf18("1","2","1","2","6","10","1") = "9"
    & skf18("1","2","1","2","7","1","1") = "6"
    & skf18("1","2","1","2","7","2","1") = "6"
    & skf18("1","2","1","2","7","3","1") = "6"
    & skf18("1","2","1","2","7","4","1") = "6"
    & skf18("1","2","1","2","7","5","1") = "6"
    & skf18("1","2","1","2","7","6","1") = "6"
    & skf18("1","2","1","2","7","7","1") = "6"
    & skf18("1","2","1","2","7","8","1") = "7"
    & skf18("1","2","1","2","7","9","1") = "8"
    & skf18("1","2","1","2","7","10","1") = "9"
    & skf18("1","2","1","2","8","1","1") = "7"
    & skf18("1","2","1","2","8","2","1") = "7"
    & skf18("1","2","1","2","8","3","1") = "7"
    & skf18("1","2","1","2","8","4","1") = "7"
    & skf18("1","2","1","2","8","5","1") = "7"
    & skf18("1","2","1","2","8","6","1") = "7"
    & skf18("1","2","1","2","8","7","1") = "7"
    & skf18("1","2","1","2","8","8","1") = "7"
    & skf18("1","2","1","2","8","9","1") = "8"
    & skf18("1","2","1","2","8","10","1") = "9"
    & skf18("1","2","1","2","9","1","1") = "8"
    & skf18("1","2","1","2","9","2","1") = "8"
    & skf18("1","2","1","2","9","3","1") = "8"
    & skf18("1","2","1","2","9","4","1") = "8"
    & skf18("1","2","1","2","9","5","1") = "8"
    & skf18("1","2","1","2","9","6","1") = "8"
    & skf18("1","2","1","2","9","7","1") = "8"
    & skf18("1","2","1","2","9","8","1") = "8"
    & skf18("1","2","1","2","9","9","1") = "8"
    & skf18("1","2","1","2","9","10","1") = "9"
    & skf18("1","2","1","2","10","1","1") = "9"
    & skf18("1","2","1","2","10","2","1") = "9"
    & skf18("1","2","1","2","10","3","1") = "9"
    & skf18("1","2","1","2","10","4","1") = "9"
    & skf18("1","2","1","2","10","5","1") = "9"
    & skf18("1","2","1","2","10","6","1") = "9"
    & skf18("1","2","1","2","10","7","1") = "9"
    & skf18("1","2","1","2","10","8","1") = "9"
    & skf18("1","2","1","2","10","9","1") = "9"
    & skf18("1","2","1","2","10","10","1") = "9"
    & skf18("1","2","1","3","1","1","1") = "2"
    & skf18("1","2","1","3","1","2","1") = "2"
    & skf18("1","2","1","3","1","3","1") = "2"
    & skf18("1","2","1","3","1","4","1") = "3"
    & skf18("1","2","1","3","1","5","1") = "4"
    & skf18("1","2","1","3","1","6","1") = "5"
    & skf18("1","2","1","3","1","7","1") = "6"
    & skf18("1","2","1","3","1","8","1") = "7"
    & skf18("1","2","1","3","1","9","1") = "8"
    & skf18("1","2","1","3","1","10","1") = "9"
    & skf18("1","2","1","3","2","1","1") = "2"
    & skf18("1","2","1","3","2","2","1") = "2"
    & skf18("1","2","1","3","2","3","1") = "2"
    & skf18("1","2","1","3","2","4","1") = "3"
    & skf18("1","2","1","3","2","5","1") = "4"
    & skf18("1","2","1","3","2","6","1") = "5"
    & skf18("1","2","1","3","2","7","1") = "6"
    & skf18("1","2","1","3","2","8","1") = "7"
    & skf18("1","2","1","3","2","9","1") = "8"
    & skf18("1","2","1","3","2","10","1") = "9"
    & skf18("1","2","1","3","3","1","1") = "2"
    & skf18("1","2","1","3","3","2","1") = "2"
    & skf18("1","2","1","3","3","3","1") = "2"
    & skf18("1","2","1","3","3","4","1") = "3"
    & skf18("1","2","1","3","3","5","1") = "4"
    & skf18("1","2","1","3","3","6","1") = "5"
    & skf18("1","2","1","3","3","7","1") = "6"
    & skf18("1","2","1","3","3","8","1") = "7"
    & skf18("1","2","1","3","3","9","1") = "8"
    & skf18("1","2","1","3","3","10","1") = "9"
    & skf18("1","2","1","3","4","1","1") = "3"
    & skf18("1","2","1","3","4","2","1") = "3"
    & skf18("1","2","1","3","4","3","1") = "3"
    & skf18("1","2","1","3","4","4","1") = "3"
    & skf18("1","2","1","3","4","5","1") = "4"
    & skf18("1","2","1","3","4","6","1") = "5"
    & skf18("1","2","1","3","4","7","1") = "6"
    & skf18("1","2","1","3","4","8","1") = "7"
    & skf18("1","2","1","3","4","9","1") = "8"
    & skf18("1","2","1","3","4","10","1") = "9"
    & skf18("1","2","1","3","5","1","1") = "4"
    & skf18("1","2","1","3","5","2","1") = "4"
    & skf18("1","2","1","3","5","3","1") = "4"
    & skf18("1","2","1","3","5","4","1") = "4"
    & skf18("1","2","1","3","5","5","1") = "4"
    & skf18("1","2","1","3","5","6","1") = "5"
    & skf18("1","2","1","3","5","7","1") = "6"
    & skf18("1","2","1","3","5","8","1") = "7"
    & skf18("1","2","1","3","5","9","1") = "8"
    & skf18("1","2","1","3","5","10","1") = "9"
    & skf18("1","2","1","3","6","1","1") = "5"
    & skf18("1","2","1","3","6","2","1") = "5"
    & skf18("1","2","1","3","6","3","1") = "5"
    & skf18("1","2","1","3","6","4","1") = "5"
    & skf18("1","2","1","3","6","5","1") = "5"
    & skf18("1","2","1","3","6","6","1") = "5"
    & skf18("1","2","1","3","6","7","1") = "6"
    & skf18("1","2","1","3","6","8","1") = "7"
    & skf18("1","2","1","3","6","9","1") = "8"
    & skf18("1","2","1","3","6","10","1") = "9"
    & skf18("1","2","1","3","7","1","1") = "6"
    & skf18("1","2","1","3","7","2","1") = "6"
    & skf18("1","2","1","3","7","3","1") = "6"
    & skf18("1","2","1","3","7","4","1") = "6"
    & skf18("1","2","1","3","7","5","1") = "6"
    & skf18("1","2","1","3","7","6","1") = "6"
    & skf18("1","2","1","3","7","7","1") = "6"
    & skf18("1","2","1","3","7","8","1") = "7"
    & skf18("1","2","1","3","7","9","1") = "8"
    & skf18("1","2","1","3","7","10","1") = "9"
    & skf18("1","2","1","3","8","1","1") = "7"
    & skf18("1","2","1","3","8","2","1") = "7"
    & skf18("1","2","1","3","8","3","1") = "7"
    & skf18("1","2","1","3","8","4","1") = "7"
    & skf18("1","2","1","3","8","5","1") = "7"
    & skf18("1","2","1","3","8","6","1") = "7"
    & skf18("1","2","1","3","8","7","1") = "7"
    & skf18("1","2","1","3","8","8","1") = "7"
    & skf18("1","2","1","3","8","9","1") = "8"
    & skf18("1","2","1","3","8","10","1") = "9"
    & skf18("1","2","1","3","9","1","1") = "8"
    & skf18("1","2","1","3","9","2","1") = "8"
    & skf18("1","2","1","3","9","3","1") = "8"
    & skf18("1","2","1","3","9","4","1") = "8"
    & skf18("1","2","1","3","9","5","1") = "8"
    & skf18("1","2","1","3","9","6","1") = "8"
    & skf18("1","2","1","3","9","7","1") = "8"
    & skf18("1","2","1","3","9","8","1") = "8"
    & skf18("1","2","1","3","9","9","1") = "8"
    & skf18("1","2","1","3","9","10","1") = "9"
    & skf18("1","2","1","3","10","1","1") = "9"
    & skf18("1","2","1","3","10","2","1") = "9"
    & skf18("1","2","1","3","10","3","1") = "9"
    & skf18("1","2","1","3","10","4","1") = "9"
    & skf18("1","2","1","3","10","5","1") = "9"
    & skf18("1","2","1","3","10","6","1") = "9"
    & skf18("1","2","1","3","10","7","1") = "9"
    & skf18("1","2","1","3","10","8","1") = "9"
    & skf18("1","2","1","3","10","9","1") = "9"
    & skf18("1","2","1","3","10","10","1") = "9"
    & skf18("1","2","1","4","1","1","1") = "3"
    & skf18("1","2","1","4","1","2","1") = "3"
    & skf18("1","2","1","4","1","3","1") = "3"
    & skf18("1","2","1","4","1","4","1") = "3"
    & skf18("1","2","1","4","1","5","1") = "4"
    & skf18("1","2","1","4","1","6","1") = "5"
    & skf18("1","2","1","4","1","7","1") = "6"
    & skf18("1","2","1","4","1","8","1") = "7"
    & skf18("1","2","1","4","1","9","1") = "8"
    & skf18("1","2","1","4","1","10","1") = "9"
    & skf18("1","2","1","4","2","1","1") = "3"
    & skf18("1","2","1","4","2","2","1") = "3"
    & skf18("1","2","1","4","2","3","1") = "3"
    & skf18("1","2","1","4","2","4","1") = "3"
    & skf18("1","2","1","4","2","5","1") = "4"
    & skf18("1","2","1","4","2","6","1") = "5"
    & skf18("1","2","1","4","2","7","1") = "6"
    & skf18("1","2","1","4","2","8","1") = "7"
    & skf18("1","2","1","4","2","9","1") = "8"
    & skf18("1","2","1","4","2","10","1") = "9"
    & skf18("1","2","1","4","3","1","1") = "3"
    & skf18("1","2","1","4","3","2","1") = "3"
    & skf18("1","2","1","4","3","3","1") = "3"
    & skf18("1","2","1","4","3","4","1") = "3"
    & skf18("1","2","1","4","3","5","1") = "4"
    & skf18("1","2","1","4","3","6","1") = "5"
    & skf18("1","2","1","4","3","7","1") = "6"
    & skf18("1","2","1","4","3","8","1") = "7"
    & skf18("1","2","1","4","3","9","1") = "8"
    & skf18("1","2","1","4","3","10","1") = "9"
    & skf18("1","2","1","4","4","1","1") = "3"
    & skf18("1","2","1","4","4","2","1") = "3"
    & skf18("1","2","1","4","4","3","1") = "3"
    & skf18("1","2","1","4","4","4","1") = "3"
    & skf18("1","2","1","4","4","5","1") = "4"
    & skf18("1","2","1","4","4","6","1") = "5"
    & skf18("1","2","1","4","4","7","1") = "6"
    & skf18("1","2","1","4","4","8","1") = "7"
    & skf18("1","2","1","4","4","9","1") = "8"
    & skf18("1","2","1","4","4","10","1") = "9"
    & skf18("1","2","1","4","5","1","1") = "4"
    & skf18("1","2","1","4","5","2","1") = "4"
    & skf18("1","2","1","4","5","3","1") = "4"
    & skf18("1","2","1","4","5","4","1") = "4"
    & skf18("1","2","1","4","5","5","1") = "4"
    & skf18("1","2","1","4","5","6","1") = "5"
    & skf18("1","2","1","4","5","7","1") = "6"
    & skf18("1","2","1","4","5","8","1") = "7"
    & skf18("1","2","1","4","5","9","1") = "8"
    & skf18("1","2","1","4","5","10","1") = "9"
    & skf18("1","2","1","4","6","1","1") = "5"
    & skf18("1","2","1","4","6","2","1") = "5"
    & skf18("1","2","1","4","6","3","1") = "5"
    & skf18("1","2","1","4","6","4","1") = "5"
    & skf18("1","2","1","4","6","5","1") = "5"
    & skf18("1","2","1","4","6","6","1") = "5"
    & skf18("1","2","1","4","6","7","1") = "6"
    & skf18("1","2","1","4","6","8","1") = "7"
    & skf18("1","2","1","4","6","9","1") = "8"
    & skf18("1","2","1","4","6","10","1") = "9"
    & skf18("1","2","1","4","7","1","1") = "6"
    & skf18("1","2","1","4","7","2","1") = "6"
    & skf18("1","2","1","4","7","3","1") = "6"
    & skf18("1","2","1","4","7","4","1") = "6"
    & skf18("1","2","1","4","7","5","1") = "6"
    & skf18("1","2","1","4","7","6","1") = "6"
    & skf18("1","2","1","4","7","7","1") = "6"
    & skf18("1","2","1","4","7","8","1") = "7"
    & skf18("1","2","1","4","7","9","1") = "8"
    & skf18("1","2","1","4","7","10","1") = "9"
    & skf18("1","2","1","4","8","1","1") = "7"
    & skf18("1","2","1","4","8","2","1") = "7"
    & skf18("1","2","1","4","8","3","1") = "7"
    & skf18("1","2","1","4","8","4","1") = "7"
    & skf18("1","2","1","4","8","5","1") = "7"
    & skf18("1","2","1","4","8","6","1") = "7"
    & skf18("1","2","1","4","8","7","1") = "7"
    & skf18("1","2","1","4","8","8","1") = "7"
    & skf18("1","2","1","4","8","9","1") = "8"
    & skf18("1","2","1","4","8","10","1") = "9"
    & skf18("1","2","1","4","9","1","1") = "8"
    & skf18("1","2","1","4","9","2","1") = "8"
    & skf18("1","2","1","4","9","3","1") = "8"
    & skf18("1","2","1","4","9","4","1") = "8"
    & skf18("1","2","1","4","9","5","1") = "8"
    & skf18("1","2","1","4","9","6","1") = "8"
    & skf18("1","2","1","4","9","7","1") = "8"
    & skf18("1","2","1","4","9","8","1") = "8"
    & skf18("1","2","1","4","9","9","1") = "8"
    & skf18("1","2","1","4","9","10","1") = "9"
    & skf18("1","2","1","4","10","1","1") = "9"
    & skf18("1","2","1","4","10","2","1") = "9"
    & skf18("1","2","1","4","10","3","1") = "9"
    & skf18("1","2","1","4","10","4","1") = "9"
    & skf18("1","2","1","4","10","5","1") = "9"
    & skf18("1","2","1","4","10","6","1") = "9"
    & skf18("1","2","1","4","10","7","1") = "9"
    & skf18("1","2","1","4","10","8","1") = "9"
    & skf18("1","2","1","4","10","9","1") = "9"
    & skf18("1","2","1","4","10","10","1") = "9"
    & skf18("1","2","1","5","1","1","1") = "4"
    & skf18("1","2","1","5","1","2","1") = "4"
    & skf18("1","2","1","5","1","3","1") = "4"
    & skf18("1","2","1","5","1","4","1") = "4"
    & skf18("1","2","1","5","1","5","1") = "4"
    & skf18("1","2","1","5","1","6","1") = "5"
    & skf18("1","2","1","5","1","7","1") = "6"
    & skf18("1","2","1","5","1","8","1") = "7"
    & skf18("1","2","1","5","1","9","1") = "8"
    & skf18("1","2","1","5","1","10","1") = "9"
    & skf18("1","2","1","5","2","1","1") = "4"
    & skf18("1","2","1","5","2","2","1") = "4"
    & skf18("1","2","1","5","2","3","1") = "4"
    & skf18("1","2","1","5","2","4","1") = "4"
    & skf18("1","2","1","5","2","5","1") = "4"
    & skf18("1","2","1","5","2","6","1") = "5"
    & skf18("1","2","1","5","2","7","1") = "6"
    & skf18("1","2","1","5","2","8","1") = "7"
    & skf18("1","2","1","5","2","9","1") = "8"
    & skf18("1","2","1","5","2","10","1") = "9"
    & skf18("1","2","1","5","3","1","1") = "4"
    & skf18("1","2","1","5","3","2","1") = "4"
    & skf18("1","2","1","5","3","3","1") = "4"
    & skf18("1","2","1","5","3","4","1") = "4"
    & skf18("1","2","1","5","3","5","1") = "4"
    & skf18("1","2","1","5","3","6","1") = "5"
    & skf18("1","2","1","5","3","7","1") = "6"
    & skf18("1","2","1","5","3","8","1") = "7"
    & skf18("1","2","1","5","3","9","1") = "8"
    & skf18("1","2","1","5","3","10","1") = "9"
    & skf18("1","2","1","5","4","1","1") = "4"
    & skf18("1","2","1","5","4","2","1") = "4"
    & skf18("1","2","1","5","4","3","1") = "4"
    & skf18("1","2","1","5","4","4","1") = "4"
    & skf18("1","2","1","5","4","5","1") = "4"
    & skf18("1","2","1","5","4","6","1") = "5"
    & skf18("1","2","1","5","4","7","1") = "6"
    & skf18("1","2","1","5","4","8","1") = "7"
    & skf18("1","2","1","5","4","9","1") = "8"
    & skf18("1","2","1","5","4","10","1") = "9"
    & skf18("1","2","1","5","5","1","1") = "4"
    & skf18("1","2","1","5","5","2","1") = "4"
    & skf18("1","2","1","5","5","3","1") = "4"
    & skf18("1","2","1","5","5","4","1") = "4"
    & skf18("1","2","1","5","5","5","1") = "4"
    & skf18("1","2","1","5","5","6","1") = "5"
    & skf18("1","2","1","5","5","7","1") = "6"
    & skf18("1","2","1","5","5","8","1") = "7"
    & skf18("1","2","1","5","5","9","1") = "8"
    & skf18("1","2","1","5","5","10","1") = "9"
    & skf18("1","2","1","5","6","1","1") = "5"
    & skf18("1","2","1","5","6","2","1") = "5"
    & skf18("1","2","1","5","6","3","1") = "5"
    & skf18("1","2","1","5","6","4","1") = "5"
    & skf18("1","2","1","5","6","5","1") = "5"
    & skf18("1","2","1","5","6","6","1") = "5"
    & skf18("1","2","1","5","6","7","1") = "6"
    & skf18("1","2","1","5","6","8","1") = "7"
    & skf18("1","2","1","5","6","9","1") = "8"
    & skf18("1","2","1","5","6","10","1") = "9"
    & skf18("1","2","1","5","7","1","1") = "6"
    & skf18("1","2","1","5","7","2","1") = "6"
    & skf18("1","2","1","5","7","3","1") = "6"
    & skf18("1","2","1","5","7","4","1") = "6"
    & skf18("1","2","1","5","7","5","1") = "6"
    & skf18("1","2","1","5","7","6","1") = "6"
    & skf18("1","2","1","5","7","7","1") = "6"
    & skf18("1","2","1","5","7","8","1") = "7"
    & skf18("1","2","1","5","7","9","1") = "8"
    & skf18("1","2","1","5","7","10","1") = "9"
    & skf18("1","2","1","5","8","1","1") = "7"
    & skf18("1","2","1","5","8","2","1") = "7"
    & skf18("1","2","1","5","8","3","1") = "7"
    & skf18("1","2","1","5","8","4","1") = "7"
    & skf18("1","2","1","5","8","5","1") = "7"
    & skf18("1","2","1","5","8","6","1") = "7"
    & skf18("1","2","1","5","8","7","1") = "7"
    & skf18("1","2","1","5","8","8","1") = "7"
    & skf18("1","2","1","5","8","9","1") = "8"
    & skf18("1","2","1","5","8","10","1") = "9"
    & skf18("1","2","1","5","9","1","1") = "8"
    & skf18("1","2","1","5","9","2","1") = "8"
    & skf18("1","2","1","5","9","3","1") = "8"
    & skf18("1","2","1","5","9","4","1") = "8"
    & skf18("1","2","1","5","9","5","1") = "8"
    & skf18("1","2","1","5","9","6","1") = "8"
    & skf18("1","2","1","5","9","7","1") = "8"
    & skf18("1","2","1","5","9","8","1") = "8"
    & skf18("1","2","1","5","9","9","1") = "8"
    & skf18("1","2","1","5","9","10","1") = "9"
    & skf18("1","2","1","5","10","1","1") = "9"
    & skf18("1","2","1","5","10","2","1") = "9"
    & skf18("1","2","1","5","10","3","1") = "9"
    & skf18("1","2","1","5","10","4","1") = "9"
    & skf18("1","2","1","5","10","5","1") = "9"
    & skf18("1","2","1","5","10","6","1") = "9"
    & skf18("1","2","1","5","10","7","1") = "9"
    & skf18("1","2","1","5","10","8","1") = "9"
    & skf18("1","2","1","5","10","9","1") = "9"
    & skf18("1","2","1","5","10","10","1") = "9"
    & skf18("1","2","1","6","1","1","1") = "5"
    & skf18("1","2","1","6","1","2","1") = "5"
    & skf18("1","2","1","6","1","3","1") = "5"
    & skf18("1","2","1","6","1","4","1") = "5"
    & skf18("1","2","1","6","1","5","1") = "5"
    & skf18("1","2","1","6","1","6","1") = "5"
    & skf18("1","2","1","6","1","7","1") = "6"
    & skf18("1","2","1","6","1","8","1") = "7"
    & skf18("1","2","1","6","1","9","1") = "8"
    & skf18("1","2","1","6","1","10","1") = "9"
    & skf18("1","2","1","6","2","1","1") = "5"
    & skf18("1","2","1","6","2","2","1") = "5"
    & skf18("1","2","1","6","2","3","1") = "5"
    & skf18("1","2","1","6","2","4","1") = "5"
    & skf18("1","2","1","6","2","5","1") = "5"
    & skf18("1","2","1","6","2","6","1") = "5"
    & skf18("1","2","1","6","2","7","1") = "6"
    & skf18("1","2","1","6","2","8","1") = "7"
    & skf18("1","2","1","6","2","9","1") = "8"
    & skf18("1","2","1","6","2","10","1") = "9"
    & skf18("1","2","1","6","3","1","1") = "5"
    & skf18("1","2","1","6","3","2","1") = "5"
    & skf18("1","2","1","6","3","3","1") = "5"
    & skf18("1","2","1","6","3","4","1") = "5"
    & skf18("1","2","1","6","3","5","1") = "5"
    & skf18("1","2","1","6","3","6","1") = "5"
    & skf18("1","2","1","6","3","7","1") = "6"
    & skf18("1","2","1","6","3","8","1") = "7"
    & skf18("1","2","1","6","3","9","1") = "8"
    & skf18("1","2","1","6","3","10","1") = "9"
    & skf18("1","2","1","6","4","1","1") = "5"
    & skf18("1","2","1","6","4","2","1") = "5"
    & skf18("1","2","1","6","4","3","1") = "5"
    & skf18("1","2","1","6","4","4","1") = "5"
    & skf18("1","2","1","6","4","5","1") = "5"
    & skf18("1","2","1","6","4","6","1") = "5"
    & skf18("1","2","1","6","4","7","1") = "6"
    & skf18("1","2","1","6","4","8","1") = "7"
    & skf18("1","2","1","6","4","9","1") = "8"
    & skf18("1","2","1","6","4","10","1") = "9"
    & skf18("1","2","1","6","5","1","1") = "5"
    & skf18("1","2","1","6","5","2","1") = "5"
    & skf18("1","2","1","6","5","3","1") = "5"
    & skf18("1","2","1","6","5","4","1") = "5"
    & skf18("1","2","1","6","5","5","1") = "5"
    & skf18("1","2","1","6","5","6","1") = "5"
    & skf18("1","2","1","6","5","7","1") = "6"
    & skf18("1","2","1","6","5","8","1") = "7"
    & skf18("1","2","1","6","5","9","1") = "8"
    & skf18("1","2","1","6","5","10","1") = "9"
    & skf18("1","2","1","6","6","1","1") = "5"
    & skf18("1","2","1","6","6","2","1") = "5"
    & skf18("1","2","1","6","6","3","1") = "5"
    & skf18("1","2","1","6","6","4","1") = "5"
    & skf18("1","2","1","6","6","5","1") = "5"
    & skf18("1","2","1","6","6","6","1") = "5"
    & skf18("1","2","1","6","6","7","1") = "6"
    & skf18("1","2","1","6","6","8","1") = "7"
    & skf18("1","2","1","6","6","9","1") = "8"
    & skf18("1","2","1","6","6","10","1") = "9"
    & skf18("1","2","1","6","7","1","1") = "6"
    & skf18("1","2","1","6","7","2","1") = "6"
    & skf18("1","2","1","6","7","3","1") = "6"
    & skf18("1","2","1","6","7","4","1") = "6"
    & skf18("1","2","1","6","7","5","1") = "6"
    & skf18("1","2","1","6","7","6","1") = "6"
    & skf18("1","2","1","6","7","7","1") = "6"
    & skf18("1","2","1","6","7","8","1") = "7"
    & skf18("1","2","1","6","7","9","1") = "8"
    & skf18("1","2","1","6","7","10","1") = "9"
    & skf18("1","2","1","6","8","1","1") = "7"
    & skf18("1","2","1","6","8","2","1") = "7"
    & skf18("1","2","1","6","8","3","1") = "7"
    & skf18("1","2","1","6","8","4","1") = "7"
    & skf18("1","2","1","6","8","5","1") = "7"
    & skf18("1","2","1","6","8","6","1") = "7"
    & skf18("1","2","1","6","8","7","1") = "7"
    & skf18("1","2","1","6","8","8","1") = "7"
    & skf18("1","2","1","6","8","9","1") = "8"
    & skf18("1","2","1","6","8","10","1") = "9"
    & skf18("1","2","1","6","9","1","1") = "8"
    & skf18("1","2","1","6","9","2","1") = "8"
    & skf18("1","2","1","6","9","3","1") = "8"
    & skf18("1","2","1","6","9","4","1") = "8"
    & skf18("1","2","1","6","9","5","1") = "8"
    & skf18("1","2","1","6","9","6","1") = "8"
    & skf18("1","2","1","6","9","7","1") = "8"
    & skf18("1","2","1","6","9","8","1") = "8"
    & skf18("1","2","1","6","9","9","1") = "8"
    & skf18("1","2","1","6","9","10","1") = "9"
    & skf18("1","2","1","6","10","1","1") = "9"
    & skf18("1","2","1","6","10","2","1") = "9"
    & skf18("1","2","1","6","10","3","1") = "9"
    & skf18("1","2","1","6","10","4","1") = "9"
    & skf18("1","2","1","6","10","5","1") = "9"
    & skf18("1","2","1","6","10","6","1") = "9"
    & skf18("1","2","1","6","10","7","1") = "9"
    & skf18("1","2","1","6","10","8","1") = "9"
    & skf18("1","2","1","6","10","9","1") = "9"
    & skf18("1","2","1","6","10","10","1") = "9"
    & skf18("1","2","1","7","1","1","1") = "6"
    & skf18("1","2","1","7","1","2","1") = "6"
    & skf18("1","2","1","7","1","3","1") = "6"
    & skf18("1","2","1","7","1","4","1") = "6"
    & skf18("1","2","1","7","1","5","1") = "6"
    & skf18("1","2","1","7","1","6","1") = "6"
    & skf18("1","2","1","7","1","7","1") = "6"
    & skf18("1","2","1","7","1","8","1") = "7"
    & skf18("1","2","1","7","1","9","1") = "8"
    & skf18("1","2","1","7","1","10","1") = "9"
    & skf18("1","2","1","7","2","1","1") = "6"
    & skf18("1","2","1","7","2","2","1") = "6"
    & skf18("1","2","1","7","2","3","1") = "6"
    & skf18("1","2","1","7","2","4","1") = "6"
    & skf18("1","2","1","7","2","5","1") = "6"
    & skf18("1","2","1","7","2","6","1") = "6"
    & skf18("1","2","1","7","2","7","1") = "6"
    & skf18("1","2","1","7","2","8","1") = "7"
    & skf18("1","2","1","7","2","9","1") = "8"
    & skf18("1","2","1","7","2","10","1") = "9"
    & skf18("1","2","1","7","3","1","1") = "6"
    & skf18("1","2","1","7","3","2","1") = "6"
    & skf18("1","2","1","7","3","3","1") = "6"
    & skf18("1","2","1","7","3","4","1") = "6"
    & skf18("1","2","1","7","3","5","1") = "6"
    & skf18("1","2","1","7","3","6","1") = "6"
    & skf18("1","2","1","7","3","7","1") = "6"
    & skf18("1","2","1","7","3","8","1") = "7"
    & skf18("1","2","1","7","3","9","1") = "8"
    & skf18("1","2","1","7","3","10","1") = "9"
    & skf18("1","2","1","7","4","1","1") = "6"
    & skf18("1","2","1","7","4","2","1") = "6"
    & skf18("1","2","1","7","4","3","1") = "6"
    & skf18("1","2","1","7","4","4","1") = "6"
    & skf18("1","2","1","7","4","5","1") = "6"
    & skf18("1","2","1","7","4","6","1") = "6"
    & skf18("1","2","1","7","4","7","1") = "6"
    & skf18("1","2","1","7","4","8","1") = "7"
    & skf18("1","2","1","7","4","9","1") = "8"
    & skf18("1","2","1","7","4","10","1") = "9"
    & skf18("1","2","1","7","5","1","1") = "6"
    & skf18("1","2","1","7","5","2","1") = "6"
    & skf18("1","2","1","7","5","3","1") = "6"
    & skf18("1","2","1","7","5","4","1") = "6"
    & skf18("1","2","1","7","5","5","1") = "6"
    & skf18("1","2","1","7","5","6","1") = "6"
    & skf18("1","2","1","7","5","7","1") = "6"
    & skf18("1","2","1","7","5","8","1") = "7"
    & skf18("1","2","1","7","5","9","1") = "8"
    & skf18("1","2","1","7","5","10","1") = "9"
    & skf18("1","2","1","7","6","1","1") = "6"
    & skf18("1","2","1","7","6","2","1") = "6"
    & skf18("1","2","1","7","6","3","1") = "6"
    & skf18("1","2","1","7","6","4","1") = "6"
    & skf18("1","2","1","7","6","5","1") = "6"
    & skf18("1","2","1","7","6","6","1") = "6"
    & skf18("1","2","1","7","6","7","1") = "6"
    & skf18("1","2","1","7","6","8","1") = "7"
    & skf18("1","2","1","7","6","9","1") = "8"
    & skf18("1","2","1","7","6","10","1") = "9"
    & skf18("1","2","1","7","7","1","1") = "6"
    & skf18("1","2","1","7","7","2","1") = "6"
    & skf18("1","2","1","7","7","3","1") = "6"
    & skf18("1","2","1","7","7","4","1") = "6"
    & skf18("1","2","1","7","7","5","1") = "6"
    & skf18("1","2","1","7","7","6","1") = "6"
    & skf18("1","2","1","7","7","7","1") = "6"
    & skf18("1","2","1","7","7","8","1") = "7"
    & skf18("1","2","1","7","7","9","1") = "8"
    & skf18("1","2","1","7","7","10","1") = "9"
    & skf18("1","2","1","7","8","1","1") = "7"
    & skf18("1","2","1","7","8","2","1") = "7"
    & skf18("1","2","1","7","8","3","1") = "7"
    & skf18("1","2","1","7","8","4","1") = "7"
    & skf18("1","2","1","7","8","5","1") = "7"
    & skf18("1","2","1","7","8","6","1") = "7"
    & skf18("1","2","1","7","8","7","1") = "7"
    & skf18("1","2","1","7","8","8","1") = "7"
    & skf18("1","2","1","7","8","9","1") = "8"
    & skf18("1","2","1","7","8","10","1") = "9"
    & skf18("1","2","1","7","9","1","1") = "8"
    & skf18("1","2","1","7","9","2","1") = "8"
    & skf18("1","2","1","7","9","3","1") = "8"
    & skf18("1","2","1","7","9","4","1") = "8"
    & skf18("1","2","1","7","9","5","1") = "8"
    & skf18("1","2","1","7","9","6","1") = "8"
    & skf18("1","2","1","7","9","7","1") = "8"
    & skf18("1","2","1","7","9","8","1") = "8"
    & skf18("1","2","1","7","9","9","1") = "8"
    & skf18("1","2","1","7","9","10","1") = "9"
    & skf18("1","2","1","7","10","1","1") = "9"
    & skf18("1","2","1","7","10","2","1") = "9"
    & skf18("1","2","1","7","10","3","1") = "9"
    & skf18("1","2","1","7","10","4","1") = "9"
    & skf18("1","2","1","7","10","5","1") = "9"
    & skf18("1","2","1","7","10","6","1") = "9"
    & skf18("1","2","1","7","10","7","1") = "9"
    & skf18("1","2","1","7","10","8","1") = "9"
    & skf18("1","2","1","7","10","9","1") = "9"
    & skf18("1","2","1","7","10","10","1") = "9"
    & skf18("1","2","1","8","1","1","1") = "7"
    & skf18("1","2","1","8","1","2","1") = "7"
    & skf18("1","2","1","8","1","3","1") = "7"
    & skf18("1","2","1","8","1","4","1") = "7"
    & skf18("1","2","1","8","1","5","1") = "7"
    & skf18("1","2","1","8","1","6","1") = "7"
    & skf18("1","2","1","8","1","7","1") = "7"
    & skf18("1","2","1","8","1","8","1") = "7"
    & skf18("1","2","1","8","1","9","1") = "8"
    & skf18("1","2","1","8","1","10","1") = "9"
    & skf18("1","2","1","8","2","1","1") = "7"
    & skf18("1","2","1","8","2","2","1") = "7"
    & skf18("1","2","1","8","2","3","1") = "7"
    & skf18("1","2","1","8","2","4","1") = "7"
    & skf18("1","2","1","8","2","5","1") = "7"
    & skf18("1","2","1","8","2","6","1") = "7"
    & skf18("1","2","1","8","2","7","1") = "7"
    & skf18("1","2","1","8","2","8","1") = "7"
    & skf18("1","2","1","8","2","9","1") = "8"
    & skf18("1","2","1","8","2","10","1") = "9"
    & skf18("1","2","1","8","3","1","1") = "7"
    & skf18("1","2","1","8","3","2","1") = "7"
    & skf18("1","2","1","8","3","3","1") = "7"
    & skf18("1","2","1","8","3","4","1") = "7"
    & skf18("1","2","1","8","3","5","1") = "7"
    & skf18("1","2","1","8","3","6","1") = "7"
    & skf18("1","2","1","8","3","7","1") = "7"
    & skf18("1","2","1","8","3","8","1") = "7"
    & skf18("1","2","1","8","3","9","1") = "8"
    & skf18("1","2","1","8","3","10","1") = "9"
    & skf18("1","2","1","8","4","1","1") = "7"
    & skf18("1","2","1","8","4","2","1") = "7"
    & skf18("1","2","1","8","4","3","1") = "7"
    & skf18("1","2","1","8","4","4","1") = "7"
    & skf18("1","2","1","8","4","5","1") = "7"
    & skf18("1","2","1","8","4","6","1") = "7"
    & skf18("1","2","1","8","4","7","1") = "7"
    & skf18("1","2","1","8","4","8","1") = "7"
    & skf18("1","2","1","8","4","9","1") = "8"
    & skf18("1","2","1","8","4","10","1") = "9"
    & skf18("1","2","1","8","5","1","1") = "7"
    & skf18("1","2","1","8","5","2","1") = "7"
    & skf18("1","2","1","8","5","3","1") = "7"
    & skf18("1","2","1","8","5","4","1") = "7"
    & skf18("1","2","1","8","5","5","1") = "7"
    & skf18("1","2","1","8","5","6","1") = "7"
    & skf18("1","2","1","8","5","7","1") = "7"
    & skf18("1","2","1","8","5","8","1") = "7"
    & skf18("1","2","1","8","5","9","1") = "8"
    & skf18("1","2","1","8","5","10","1") = "9"
    & skf18("1","2","1","8","6","1","1") = "7"
    & skf18("1","2","1","8","6","2","1") = "7"
    & skf18("1","2","1","8","6","3","1") = "7"
    & skf18("1","2","1","8","6","4","1") = "7"
    & skf18("1","2","1","8","6","5","1") = "7"
    & skf18("1","2","1","8","6","6","1") = "7"
    & skf18("1","2","1","8","6","7","1") = "7"
    & skf18("1","2","1","8","6","8","1") = "7"
    & skf18("1","2","1","8","6","9","1") = "8"
    & skf18("1","2","1","8","6","10","1") = "9"
    & skf18("1","2","1","8","7","1","1") = "7"
    & skf18("1","2","1","8","7","2","1") = "7"
    & skf18("1","2","1","8","7","3","1") = "7"
    & skf18("1","2","1","8","7","4","1") = "7"
    & skf18("1","2","1","8","7","5","1") = "7"
    & skf18("1","2","1","8","7","6","1") = "7"
    & skf18("1","2","1","8","7","7","1") = "7"
    & skf18("1","2","1","8","7","8","1") = "7"
    & skf18("1","2","1","8","7","9","1") = "8"
    & skf18("1","2","1","8","7","10","1") = "9"
    & skf18("1","2","1","8","8","1","1") = "7"
    & skf18("1","2","1","8","8","2","1") = "7"
    & skf18("1","2","1","8","8","3","1") = "7"
    & skf18("1","2","1","8","8","4","1") = "7"
    & skf18("1","2","1","8","8","5","1") = "7"
    & skf18("1","2","1","8","8","6","1") = "7"
    & skf18("1","2","1","8","8","7","1") = "7"
    & skf18("1","2","1","8","8","8","1") = "7"
    & skf18("1","2","1","8","8","9","1") = "8"
    & skf18("1","2","1","8","8","10","1") = "9"
    & skf18("1","2","1","8","9","1","1") = "8"
    & skf18("1","2","1","8","9","2","1") = "8"
    & skf18("1","2","1","8","9","3","1") = "8"
    & skf18("1","2","1","8","9","4","1") = "8"
    & skf18("1","2","1","8","9","5","1") = "8"
    & skf18("1","2","1","8","9","6","1") = "8"
    & skf18("1","2","1","8","9","7","1") = "8"
    & skf18("1","2","1","8","9","8","1") = "8"
    & skf18("1","2","1","8","9","9","1") = "8"
    & skf18("1","2","1","8","9","10","1") = "9"
    & skf18("1","2","1","8","10","1","1") = "9"
    & skf18("1","2","1","8","10","2","1") = "9"
    & skf18("1","2","1","8","10","3","1") = "9"
    & skf18("1","2","1","8","10","4","1") = "9"
    & skf18("1","2","1","8","10","5","1") = "9"
    & skf18("1","2","1","8","10","6","1") = "9"
    & skf18("1","2","1","8","10","7","1") = "9"
    & skf18("1","2","1","8","10","8","1") = "9"
    & skf18("1","2","1","8","10","9","1") = "9"
    & skf18("1","2","1","8","10","10","1") = "9"
    & skf18("1","2","1","9","1","1","1") = "8"
    & skf18("1","2","1","9","1","2","1") = "8"
    & skf18("1","2","1","9","1","3","1") = "8"
    & skf18("1","2","1","9","1","4","1") = "8"
    & skf18("1","2","1","9","1","5","1") = "8"
    & skf18("1","2","1","9","1","6","1") = "8"
    & skf18("1","2","1","9","1","7","1") = "8"
    & skf18("1","2","1","9","1","8","1") = "8"
    & skf18("1","2","1","9","1","9","1") = "8"
    & skf18("1","2","1","9","1","10","1") = "9"
    & skf18("1","2","1","9","2","1","1") = "8"
    & skf18("1","2","1","9","2","2","1") = "8"
    & skf18("1","2","1","9","2","3","1") = "8"
    & skf18("1","2","1","9","2","4","1") = "8"
    & skf18("1","2","1","9","2","5","1") = "8"
    & skf18("1","2","1","9","2","6","1") = "8"
    & skf18("1","2","1","9","2","7","1") = "8"
    & skf18("1","2","1","9","2","8","1") = "8"
    & skf18("1","2","1","9","2","9","1") = "8"
    & skf18("1","2","1","9","2","10","1") = "9"
    & skf18("1","2","1","9","3","1","1") = "8"
    & skf18("1","2","1","9","3","2","1") = "8"
    & skf18("1","2","1","9","3","3","1") = "8"
    & skf18("1","2","1","9","3","4","1") = "8"
    & skf18("1","2","1","9","3","5","1") = "8"
    & skf18("1","2","1","9","3","6","1") = "8"
    & skf18("1","2","1","9","3","7","1") = "8"
    & skf18("1","2","1","9","3","8","1") = "8"
    & skf18("1","2","1","9","3","9","1") = "8"
    & skf18("1","2","1","9","3","10","1") = "9"
    & skf18("1","2","1","9","4","1","1") = "8"
    & skf18("1","2","1","9","4","2","1") = "8"
    & skf18("1","2","1","9","4","3","1") = "8"
    & skf18("1","2","1","9","4","4","1") = "8"
    & skf18("1","2","1","9","4","5","1") = "8"
    & skf18("1","2","1","9","4","6","1") = "8"
    & skf18("1","2","1","9","4","7","1") = "8"
    & skf18("1","2","1","9","4","8","1") = "8"
    & skf18("1","2","1","9","4","9","1") = "8"
    & skf18("1","2","1","9","4","10","1") = "9"
    & skf18("1","2","1","9","5","1","1") = "8"
    & skf18("1","2","1","9","5","2","1") = "8"
    & skf18("1","2","1","9","5","3","1") = "8"
    & skf18("1","2","1","9","5","4","1") = "8"
    & skf18("1","2","1","9","5","5","1") = "8"
    & skf18("1","2","1","9","5","6","1") = "8"
    & skf18("1","2","1","9","5","7","1") = "8"
    & skf18("1","2","1","9","5","8","1") = "8"
    & skf18("1","2","1","9","5","9","1") = "8"
    & skf18("1","2","1","9","5","10","1") = "9"
    & skf18("1","2","1","9","6","1","1") = "8"
    & skf18("1","2","1","9","6","2","1") = "8"
    & skf18("1","2","1","9","6","3","1") = "8"
    & skf18("1","2","1","9","6","4","1") = "8"
    & skf18("1","2","1","9","6","5","1") = "8"
    & skf18("1","2","1","9","6","6","1") = "8"
    & skf18("1","2","1","9","6","7","1") = "8"
    & skf18("1","2","1","9","6","8","1") = "8"
    & skf18("1","2","1","9","6","9","1") = "8"
    & skf18("1","2","1","9","6","10","1") = "9"
    & skf18("1","2","1","9","7","1","1") = "8"
    & skf18("1","2","1","9","7","2","1") = "8"
    & skf18("1","2","1","9","7","3","1") = "8"
    & skf18("1","2","1","9","7","4","1") = "8"
    & skf18("1","2","1","9","7","5","1") = "8"
    & skf18("1","2","1","9","7","6","1") = "8"
    & skf18("1","2","1","9","7","7","1") = "8"
    & skf18("1","2","1","9","7","8","1") = "8"
    & skf18("1","2","1","9","7","9","1") = "8"
    & skf18("1","2","1","9","7","10","1") = "9"
    & skf18("1","2","1","9","8","1","1") = "8"
    & skf18("1","2","1","9","8","2","1") = "8"
    & skf18("1","2","1","9","8","3","1") = "8"
    & skf18("1","2","1","9","8","4","1") = "8"
    & skf18("1","2","1","9","8","5","1") = "8"
    & skf18("1","2","1","9","8","6","1") = "8"
    & skf18("1","2","1","9","8","7","1") = "8"
    & skf18("1","2","1","9","8","8","1") = "8"
    & skf18("1","2","1","9","8","9","1") = "8"
    & skf18("1","2","1","9","8","10","1") = "9"
    & skf18("1","2","1","9","9","1","1") = "8"
    & skf18("1","2","1","9","9","2","1") = "8"
    & skf18("1","2","1","9","9","3","1") = "8"
    & skf18("1","2","1","9","9","4","1") = "8"
    & skf18("1","2","1","9","9","5","1") = "8"
    & skf18("1","2","1","9","9","6","1") = "8"
    & skf18("1","2","1","9","9","7","1") = "8"
    & skf18("1","2","1","9","9","8","1") = "8"
    & skf18("1","2","1","9","9","9","1") = "8"
    & skf18("1","2","1","9","9","10","1") = "9"
    & skf18("1","2","1","9","10","1","1") = "9"
    & skf18("1","2","1","9","10","2","1") = "9"
    & skf18("1","2","1","9","10","3","1") = "9"
    & skf18("1","2","1","9","10","4","1") = "9"
    & skf18("1","2","1","9","10","5","1") = "9"
    & skf18("1","2","1","9","10","6","1") = "9"
    & skf18("1","2","1","9","10","7","1") = "9"
    & skf18("1","2","1","9","10","8","1") = "9"
    & skf18("1","2","1","9","10","9","1") = "9"
    & skf18("1","2","1","9","10","10","1") = "9"
    & skf18("1","2","1","10","1","1","1") = "9"
    & skf18("1","2","1","10","1","2","1") = "9"
    & skf18("1","2","1","10","1","3","1") = "9"
    & skf18("1","2","1","10","1","4","1") = "9"
    & skf18("1","2","1","10","1","5","1") = "9"
    & skf18("1","2","1","10","1","6","1") = "9"
    & skf18("1","2","1","10","1","7","1") = "9"
    & skf18("1","2","1","10","1","8","1") = "9"
    & skf18("1","2","1","10","1","9","1") = "9"
    & skf18("1","2","1","10","1","10","1") = "9"
    & skf18("1","2","1","10","2","1","1") = "9"
    & skf18("1","2","1","10","2","2","1") = "9"
    & skf18("1","2","1","10","2","3","1") = "9"
    & skf18("1","2","1","10","2","4","1") = "9"
    & skf18("1","2","1","10","2","5","1") = "9"
    & skf18("1","2","1","10","2","6","1") = "9"
    & skf18("1","2","1","10","2","7","1") = "9"
    & skf18("1","2","1","10","2","8","1") = "9"
    & skf18("1","2","1","10","2","9","1") = "9"
    & skf18("1","2","1","10","2","10","1") = "9"
    & skf18("1","2","1","10","3","1","1") = "9"
    & skf18("1","2","1","10","3","2","1") = "9"
    & skf18("1","2","1","10","3","3","1") = "9"
    & skf18("1","2","1","10","3","4","1") = "9"
    & skf18("1","2","1","10","3","5","1") = "9"
    & skf18("1","2","1","10","3","6","1") = "9"
    & skf18("1","2","1","10","3","7","1") = "9"
    & skf18("1","2","1","10","3","8","1") = "9"
    & skf18("1","2","1","10","3","9","1") = "9"
    & skf18("1","2","1","10","3","10","1") = "9"
    & skf18("1","2","1","10","4","1","1") = "9"
    & skf18("1","2","1","10","4","2","1") = "9"
    & skf18("1","2","1","10","4","3","1") = "9"
    & skf18("1","2","1","10","4","4","1") = "9"
    & skf18("1","2","1","10","4","5","1") = "9"
    & skf18("1","2","1","10","4","6","1") = "9"
    & skf18("1","2","1","10","4","7","1") = "9"
    & skf18("1","2","1","10","4","8","1") = "9"
    & skf18("1","2","1","10","4","9","1") = "9"
    & skf18("1","2","1","10","4","10","1") = "9"
    & skf18("1","2","1","10","5","1","1") = "9"
    & skf18("1","2","1","10","5","2","1") = "9"
    & skf18("1","2","1","10","5","3","1") = "9"
    & skf18("1","2","1","10","5","4","1") = "9"
    & skf18("1","2","1","10","5","5","1") = "9"
    & skf18("1","2","1","10","5","6","1") = "9"
    & skf18("1","2","1","10","5","7","1") = "9"
    & skf18("1","2","1","10","5","8","1") = "9"
    & skf18("1","2","1","10","5","9","1") = "9"
    & skf18("1","2","1","10","5","10","1") = "9"
    & skf18("1","2","1","10","6","1","1") = "9"
    & skf18("1","2","1","10","6","2","1") = "9"
    & skf18("1","2","1","10","6","3","1") = "9"
    & skf18("1","2","1","10","6","4","1") = "9"
    & skf18("1","2","1","10","6","5","1") = "9"
    & skf18("1","2","1","10","6","6","1") = "9"
    & skf18("1","2","1","10","6","7","1") = "9"
    & skf18("1","2","1","10","6","8","1") = "9"
    & skf18("1","2","1","10","6","9","1") = "9"
    & skf18("1","2","1","10","6","10","1") = "9"
    & skf18("1","2","1","10","7","1","1") = "9"
    & skf18("1","2","1","10","7","2","1") = "9"
    & skf18("1","2","1","10","7","3","1") = "9"
    & skf18("1","2","1","10","7","4","1") = "9"
    & skf18("1","2","1","10","7","5","1") = "9"
    & skf18("1","2","1","10","7","6","1") = "9"
    & skf18("1","2","1","10","7","7","1") = "9"
    & skf18("1","2","1","10","7","8","1") = "9"
    & skf18("1","2","1","10","7","9","1") = "9"
    & skf18("1","2","1","10","7","10","1") = "9"
    & skf18("1","2","1","10","8","1","1") = "9"
    & skf18("1","2","1","10","8","2","1") = "9"
    & skf18("1","2","1","10","8","3","1") = "9"
    & skf18("1","2","1","10","8","4","1") = "9"
    & skf18("1","2","1","10","8","5","1") = "9"
    & skf18("1","2","1","10","8","6","1") = "9"
    & skf18("1","2","1","10","8","7","1") = "9"
    & skf18("1","2","1","10","8","8","1") = "9"
    & skf18("1","2","1","10","8","9","1") = "9"
    & skf18("1","2","1","10","8","10","1") = "9"
    & skf18("1","2","1","10","9","1","1") = "9"
    & skf18("1","2","1","10","9","2","1") = "9"
    & skf18("1","2","1","10","9","3","1") = "9"
    & skf18("1","2","1","10","9","4","1") = "9"
    & skf18("1","2","1","10","9","5","1") = "9"
    & skf18("1","2","1","10","9","6","1") = "9"
    & skf18("1","2","1","10","9","7","1") = "9"
    & skf18("1","2","1","10","9","8","1") = "9"
    & skf18("1","2","1","10","9","9","1") = "9"
    & skf18("1","2","1","10","9","10","1") = "9"
    & skf18("1","2","1","10","10","1","1") = "9"
    & skf18("1","2","1","10","10","2","1") = "9"
    & skf18("1","2","1","10","10","3","1") = "9"
    & skf18("1","2","1","10","10","4","1") = "9"
    & skf18("1","2","1","10","10","5","1") = "9"
    & skf18("1","2","1","10","10","6","1") = "9"
    & skf18("1","2","1","10","10","7","1") = "9"
    & skf18("1","2","1","10","10","8","1") = "9"
    & skf18("1","2","1","10","10","9","1") = "9"
    & skf18("1","2","1","10","10","10","1") = "9"
    & skf18("1","2","2","1","1","1","1") = "1"
    & skf18("1","2","2","1","1","2","1") = "1"
    & skf18("1","2","2","1","1","3","1") = "2"
    & skf18("1","2","2","1","1","4","1") = "3"
    & skf18("1","2","2","1","1","5","1") = "4"
    & skf18("1","2","2","1","1","6","1") = "5"
    & skf18("1","2","2","1","1","7","1") = "6"
    & skf18("1","2","2","1","1","8","1") = "7"
    & skf18("1","2","2","1","1","9","1") = "8"
    & skf18("1","2","2","1","1","10","1") = "9"
    & skf18("1","2","2","1","2","1","1") = "1"
    & skf18("1","2","2","1","2","2","1") = "1"
    & skf18("1","2","2","1","2","3","1") = "2"
    & skf18("1","2","2","1","2","4","1") = "3"
    & skf18("1","2","2","1","2","5","1") = "4"
    & skf18("1","2","2","1","2","6","1") = "5"
    & skf18("1","2","2","1","2","7","1") = "6"
    & skf18("1","2","2","1","2","8","1") = "7"
    & skf18("1","2","2","1","2","9","1") = "8"
    & skf18("1","2","2","1","2","10","1") = "9"
    & skf18("1","2","2","1","3","1","1") = "2"
    & skf18("1","2","2","1","3","2","1") = "2"
    & skf18("1","2","2","1","3","3","1") = "2"
    & skf18("1","2","2","1","3","4","1") = "3"
    & skf18("1","2","2","1","3","5","1") = "4"
    & skf18("1","2","2","1","3","6","1") = "5"
    & skf18("1","2","2","1","3","7","1") = "6"
    & skf18("1","2","2","1","3","8","1") = "7"
    & skf18("1","2","2","1","3","9","1") = "8"
    & skf18("1","2","2","1","3","10","1") = "9"
    & skf18("1","2","2","1","4","1","1") = "3"
    & skf18("1","2","2","1","4","2","1") = "3"
    & skf18("1","2","2","1","4","3","1") = "3"
    & skf18("1","2","2","1","4","4","1") = "3"
    & skf18("1","2","2","1","4","5","1") = "4"
    & skf18("1","2","2","1","4","6","1") = "5"
    & skf18("1","2","2","1","4","7","1") = "6"
    & skf18("1","2","2","1","4","8","1") = "7"
    & skf18("1","2","2","1","4","9","1") = "8"
    & skf18("1","2","2","1","4","10","1") = "9"
    & skf18("1","2","2","1","5","1","1") = "4"
    & skf18("1","2","2","1","5","2","1") = "4"
    & skf18("1","2","2","1","5","3","1") = "4"
    & skf18("1","2","2","1","5","4","1") = "4"
    & skf18("1","2","2","1","5","5","1") = "4"
    & skf18("1","2","2","1","5","6","1") = "5"
    & skf18("1","2","2","1","5","7","1") = "6"
    & skf18("1","2","2","1","5","8","1") = "7"
    & skf18("1","2","2","1","5","9","1") = "8"
    & skf18("1","2","2","1","5","10","1") = "9"
    & skf18("1","2","2","1","6","1","1") = "5"
    & skf18("1","2","2","1","6","2","1") = "5"
    & skf18("1","2","2","1","6","3","1") = "5"
    & skf18("1","2","2","1","6","4","1") = "5"
    & skf18("1","2","2","1","6","5","1") = "5"
    & skf18("1","2","2","1","6","6","1") = "5"
    & skf18("1","2","2","1","6","7","1") = "6"
    & skf18("1","2","2","1","6","8","1") = "7"
    & skf18("1","2","2","1","6","9","1") = "8"
    & skf18("1","2","2","1","6","10","1") = "9"
    & skf18("1","2","2","1","7","1","1") = "6"
    & skf18("1","2","2","1","7","2","1") = "6"
    & skf18("1","2","2","1","7","3","1") = "6"
    & skf18("1","2","2","1","7","4","1") = "6"
    & skf18("1","2","2","1","7","5","1") = "6"
    & skf18("1","2","2","1","7","6","1") = "6"
    & skf18("1","2","2","1","7","7","1") = "6"
    & skf18("1","2","2","1","7","8","1") = "7"
    & skf18("1","2","2","1","7","9","1") = "8"
    & skf18("1","2","2","1","7","10","1") = "9"
    & skf18("1","2","2","1","8","1","1") = "7"
    & skf18("1","2","2","1","8","2","1") = "7"
    & skf18("1","2","2","1","8","3","1") = "7"
    & skf18("1","2","2","1","8","4","1") = "7"
    & skf18("1","2","2","1","8","5","1") = "7"
    & skf18("1","2","2","1","8","6","1") = "7"
    & skf18("1","2","2","1","8","7","1") = "7"
    & skf18("1","2","2","1","8","8","1") = "7"
    & skf18("1","2","2","1","8","9","1") = "8"
    & skf18("1","2","2","1","8","10","1") = "9"
    & skf18("1","2","2","1","9","1","1") = "8"
    & skf18("1","2","2","1","9","2","1") = "8"
    & skf18("1","2","2","1","9","3","1") = "8"
    & skf18("1","2","2","1","9","4","1") = "8"
    & skf18("1","2","2","1","9","5","1") = "8"
    & skf18("1","2","2","1","9","6","1") = "8"
    & skf18("1","2","2","1","9","7","1") = "8"
    & skf18("1","2","2","1","9","8","1") = "8"
    & skf18("1","2","2","1","9","9","1") = "8"
    & skf18("1","2","2","1","9","10","1") = "9"
    & skf18("1","2","2","1","10","1","1") = "9"
    & skf18("1","2","2","1","10","2","1") = "9"
    & skf18("1","2","2","1","10","3","1") = "9"
    & skf18("1","2","2","1","10","4","1") = "9"
    & skf18("1","2","2","1","10","5","1") = "9"
    & skf18("1","2","2","1","10","6","1") = "9"
    & skf18("1","2","2","1","10","7","1") = "9"
    & skf18("1","2","2","1","10","8","1") = "9"
    & skf18("1","2","2","1","10","9","1") = "9"
    & skf18("1","2","2","1","10","10","1") = "9"
    & skf18("1","2","2","2","1","1","1") = "1"
    & skf18("1","2","2","2","1","2","1") = "1"
    & skf18("1","2","2","2","1","3","1") = "2"
    & skf18("1","2","2","2","1","4","1") = "3"
    & skf18("1","2","2","2","1","5","1") = "4"
    & skf18("1","2","2","2","1","6","1") = "5"
    & skf18("1","2","2","2","1","7","1") = "6"
    & skf18("1","2","2","2","1","8","1") = "7"
    & skf18("1","2","2","2","1","9","1") = "8"
    & skf18("1","2","2","2","1","10","1") = "9"
    & skf18("1","2","2","2","2","1","1") = "1"
    & skf18("1","2","2","2","2","2","1") = "1"
    & skf18("1","2","2","2","2","3","1") = "2"
    & skf18("1","2","2","2","2","4","1") = "3"
    & skf18("1","2","2","2","2","5","1") = "4"
    & skf18("1","2","2","2","2","6","1") = "5"
    & skf18("1","2","2","2","2","7","1") = "6"
    & skf18("1","2","2","2","2","8","1") = "7"
    & skf18("1","2","2","2","2","9","1") = "8"
    & skf18("1","2","2","2","2","10","1") = "9"
    & skf18("1","2","2","2","3","1","1") = "2"
    & skf18("1","2","2","2","3","2","1") = "2"
    & skf18("1","2","2","2","3","3","1") = "2"
    & skf18("1","2","2","2","3","4","1") = "3"
    & skf18("1","2","2","2","3","5","1") = "4"
    & skf18("1","2","2","2","3","6","1") = "5"
    & skf18("1","2","2","2","3","7","1") = "6"
    & skf18("1","2","2","2","3","8","1") = "7"
    & skf18("1","2","2","2","3","9","1") = "8"
    & skf18("1","2","2","2","3","10","1") = "9"
    & skf18("1","2","2","2","4","1","1") = "3"
    & skf18("1","2","2","2","4","2","1") = "3"
    & skf18("1","2","2","2","4","3","1") = "3"
    & skf18("1","2","2","2","4","4","1") = "3"
    & skf18("1","2","2","2","4","5","1") = "4"
    & skf18("1","2","2","2","4","6","1") = "5"
    & skf18("1","2","2","2","4","7","1") = "6"
    & skf18("1","2","2","2","4","8","1") = "7"
    & skf18("1","2","2","2","4","9","1") = "8"
    & skf18("1","2","2","2","4","10","1") = "9"
    & skf18("1","2","2","2","5","1","1") = "4"
    & skf18("1","2","2","2","5","2","1") = "4"
    & skf18("1","2","2","2","5","3","1") = "4"
    & skf18("1","2","2","2","5","4","1") = "4"
    & skf18("1","2","2","2","5","5","1") = "4"
    & skf18("1","2","2","2","5","6","1") = "5"
    & skf18("1","2","2","2","5","7","1") = "6"
    & skf18("1","2","2","2","5","8","1") = "7"
    & skf18("1","2","2","2","5","9","1") = "8"
    & skf18("1","2","2","2","5","10","1") = "9"
    & skf18("1","2","2","2","6","1","1") = "5"
    & skf18("1","2","2","2","6","2","1") = "5"
    & skf18("1","2","2","2","6","3","1") = "5"
    & skf18("1","2","2","2","6","4","1") = "5"
    & skf18("1","2","2","2","6","5","1") = "5"
    & skf18("1","2","2","2","6","6","1") = "5"
    & skf18("1","2","2","2","6","7","1") = "6"
    & skf18("1","2","2","2","6","8","1") = "7"
    & skf18("1","2","2","2","6","9","1") = "8"
    & skf18("1","2","2","2","6","10","1") = "9"
    & skf18("1","2","2","2","7","1","1") = "6"
    & skf18("1","2","2","2","7","2","1") = "6"
    & skf18("1","2","2","2","7","3","1") = "6"
    & skf18("1","2","2","2","7","4","1") = "6"
    & skf18("1","2","2","2","7","5","1") = "6"
    & skf18("1","2","2","2","7","6","1") = "6"
    & skf18("1","2","2","2","7","7","1") = "6"
    & skf18("1","2","2","2","7","8","1") = "7"
    & skf18("1","2","2","2","7","9","1") = "8"
    & skf18("1","2","2","2","7","10","1") = "9"
    & skf18("1","2","2","2","8","1","1") = "7"
    & skf18("1","2","2","2","8","2","1") = "7"
    & skf18("1","2","2","2","8","3","1") = "7"
    & skf18("1","2","2","2","8","4","1") = "7"
    & skf18("1","2","2","2","8","5","1") = "7"
    & skf18("1","2","2","2","8","6","1") = "7"
    & skf18("1","2","2","2","8","7","1") = "7"
    & skf18("1","2","2","2","8","8","1") = "7"
    & skf18("1","2","2","2","8","9","1") = "8"
    & skf18("1","2","2","2","8","10","1") = "9"
    & skf18("1","2","2","2","9","1","1") = "8"
    & skf18("1","2","2","2","9","2","1") = "8"
    & skf18("1","2","2","2","9","3","1") = "8"
    & skf18("1","2","2","2","9","4","1") = "8"
    & skf18("1","2","2","2","9","5","1") = "8"
    & skf18("1","2","2","2","9","6","1") = "8"
    & skf18("1","2","2","2","9","7","1") = "8"
    & skf18("1","2","2","2","9","8","1") = "8"
    & skf18("1","2","2","2","9","9","1") = "8"
    & skf18("1","2","2","2","9","10","1") = "9"
    & skf18("1","2","2","2","10","1","1") = "9"
    & skf18("1","2","2","2","10","2","1") = "9"
    & skf18("1","2","2","2","10","3","1") = "9"
    & skf18("1","2","2","2","10","4","1") = "9"
    & skf18("1","2","2","2","10","5","1") = "9"
    & skf18("1","2","2","2","10","6","1") = "9"
    & skf18("1","2","2","2","10","7","1") = "9"
    & skf18("1","2","2","2","10","8","1") = "9"
    & skf18("1","2","2","2","10","9","1") = "9"
    & skf18("1","2","2","2","10","10","1") = "9"
    & skf18("1","2","2","3","1","1","1") = "2"
    & skf18("1","2","2","3","1","2","1") = "2"
    & skf18("1","2","2","3","1","3","1") = "2"
    & skf18("1","2","2","3","1","4","1") = "3"
    & skf18("1","2","2","3","1","5","1") = "4"
    & skf18("1","2","2","3","1","6","1") = "5"
    & skf18("1","2","2","3","1","7","1") = "6"
    & skf18("1","2","2","3","1","8","1") = "7"
    & skf18("1","2","2","3","1","9","1") = "8"
    & skf18("1","2","2","3","1","10","1") = "9"
    & skf18("1","2","2","3","2","1","1") = "2"
    & skf18("1","2","2","3","2","2","1") = "2"
    & skf18("1","2","2","3","2","3","1") = "1"
    & skf18("1","2","2","3","2","4","1") = "3"
    & skf18("1","2","2","3","2","5","1") = "4"
    & skf18("1","2","2","3","2","6","1") = "5"
    & skf18("1","2","2","3","2","7","1") = "6"
    & skf18("1","2","2","3","2","8","1") = "7"
    & skf18("1","2","2","3","2","9","1") = "8"
    & skf18("1","2","2","3","2","10","1") = "9"
    & skf18("1","2","2","3","3","1","1") = "2"
    & skf18("1","2","2","3","3","2","1") = "2"
    & skf18("1","2","2","3","3","3","1") = "2"
    & skf18("1","2","2","3","3","4","1") = "3"
    & skf18("1","2","2","3","3","5","1") = "4"
    & skf18("1","2","2","3","3","6","1") = "5"
    & skf18("1","2","2","3","3","7","1") = "6"
    & skf18("1","2","2","3","3","8","1") = "7"
    & skf18("1","2","2","3","3","9","1") = "8"
    & skf18("1","2","2","3","3","10","1") = "9"
    & skf18("1","2","2","3","4","1","1") = "3"
    & skf18("1","2","2","3","4","2","1") = "3"
    & skf18("1","2","2","3","4","3","1") = "3"
    & skf18("1","2","2","3","4","4","1") = "3"
    & skf18("1","2","2","3","4","5","1") = "4"
    & skf18("1","2","2","3","4","6","1") = "5"
    & skf18("1","2","2","3","4","7","1") = "6"
    & skf18("1","2","2","3","4","8","1") = "7"
    & skf18("1","2","2","3","4","9","1") = "8"
    & skf18("1","2","2","3","4","10","1") = "9"
    & skf18("1","2","2","3","5","1","1") = "4"
    & skf18("1","2","2","3","5","2","1") = "4"
    & skf18("1","2","2","3","5","3","1") = "4"
    & skf18("1","2","2","3","5","4","1") = "4"
    & skf18("1","2","2","3","5","5","1") = "4"
    & skf18("1","2","2","3","5","6","1") = "5"
    & skf18("1","2","2","3","5","7","1") = "6"
    & skf18("1","2","2","3","5","8","1") = "7"
    & skf18("1","2","2","3","5","9","1") = "8"
    & skf18("1","2","2","3","5","10","1") = "9"
    & skf18("1","2","2","3","6","1","1") = "5"
    & skf18("1","2","2","3","6","2","1") = "5"
    & skf18("1","2","2","3","6","3","1") = "5"
    & skf18("1","2","2","3","6","4","1") = "5"
    & skf18("1","2","2","3","6","5","1") = "5"
    & skf18("1","2","2","3","6","6","1") = "5"
    & skf18("1","2","2","3","6","7","1") = "6"
    & skf18("1","2","2","3","6","8","1") = "7"
    & skf18("1","2","2","3","6","9","1") = "8"
    & skf18("1","2","2","3","6","10","1") = "9"
    & skf18("1","2","2","3","7","1","1") = "6"
    & skf18("1","2","2","3","7","2","1") = "6"
    & skf18("1","2","2","3","7","3","1") = "6"
    & skf18("1","2","2","3","7","4","1") = "6"
    & skf18("1","2","2","3","7","5","1") = "6"
    & skf18("1","2","2","3","7","6","1") = "6"
    & skf18("1","2","2","3","7","7","1") = "6"
    & skf18("1","2","2","3","7","8","1") = "7"
    & skf18("1","2","2","3","7","9","1") = "8"
    & skf18("1","2","2","3","7","10","1") = "9"
    & skf18("1","2","2","3","8","1","1") = "7"
    & skf18("1","2","2","3","8","2","1") = "7"
    & skf18("1","2","2","3","8","3","1") = "7"
    & skf18("1","2","2","3","8","4","1") = "7"
    & skf18("1","2","2","3","8","5","1") = "7"
    & skf18("1","2","2","3","8","6","1") = "7"
    & skf18("1","2","2","3","8","7","1") = "7"
    & skf18("1","2","2","3","8","8","1") = "7"
    & skf18("1","2","2","3","8","9","1") = "8"
    & skf18("1","2","2","3","8","10","1") = "9"
    & skf18("1","2","2","3","9","1","1") = "8"
    & skf18("1","2","2","3","9","2","1") = "8"
    & skf18("1","2","2","3","9","3","1") = "8"
    & skf18("1","2","2","3","9","4","1") = "8"
    & skf18("1","2","2","3","9","5","1") = "8"
    & skf18("1","2","2","3","9","6","1") = "8"
    & skf18("1","2","2","3","9","7","1") = "8"
    & skf18("1","2","2","3","9","8","1") = "8"
    & skf18("1","2","2","3","9","9","1") = "8"
    & skf18("1","2","2","3","9","10","1") = "9"
    & skf18("1","2","2","3","10","1","1") = "9"
    & skf18("1","2","2","3","10","2","1") = "9"
    & skf18("1","2","2","3","10","3","1") = "9"
    & skf18("1","2","2","3","10","4","1") = "9"
    & skf18("1","2","2","3","10","5","1") = "9"
    & skf18("1","2","2","3","10","6","1") = "9"
    & skf18("1","2","2","3","10","7","1") = "9"
    & skf18("1","2","2","3","10","8","1") = "9"
    & skf18("1","2","2","3","10","9","1") = "9"
    & skf18("1","2","2","3","10","10","1") = "9"
    & skf18("1","2","2","4","1","1","1") = "3"
    & skf18("1","2","2","4","1","2","1") = "3"
    & skf18("1","2","2","4","1","3","1") = "3"
    & skf18("1","2","2","4","1","4","1") = "3"
    & skf18("1","2","2","4","1","5","1") = "4"
    & skf18("1","2","2","4","1","6","1") = "5"
    & skf18("1","2","2","4","1","7","1") = "6"
    & skf18("1","2","2","4","1","8","1") = "7"
    & skf18("1","2","2","4","1","9","1") = "8"
    & skf18("1","2","2","4","1","10","1") = "9"
    & skf18("1","2","2","4","2","1","1") = "3"
    & skf18("1","2","2","4","2","2","1") = "3"
    & skf18("1","2","2","4","2","3","1") = "3"
    & skf18("1","2","2","4","2","4","1") = "3"
    & skf18("1","2","2","4","2","5","1") = "4"
    & skf18("1","2","2","4","2","6","1") = "5"
    & skf18("1","2","2","4","2","7","1") = "6"
    & skf18("1","2","2","4","2","8","1") = "7"
    & skf18("1","2","2","4","2","9","1") = "8"
    & skf18("1","2","2","4","2","10","1") = "9"
    & skf18("1","2","2","4","3","1","1") = "3"
    & skf18("1","2","2","4","3","2","1") = "3"
    & skf18("1","2","2","4","3","3","1") = "3"
    & skf18("1","2","2","4","3","4","1") = "3"
    & skf18("1","2","2","4","3","5","1") = "4"
    & skf18("1","2","2","4","3","6","1") = "5"
    & skf18("1","2","2","4","3","7","1") = "6"
    & skf18("1","2","2","4","3","8","1") = "7"
    & skf18("1","2","2","4","3","9","1") = "8"
    & skf18("1","2","2","4","3","10","1") = "9"
    & skf18("1","2","2","4","4","1","1") = "3"
    & skf18("1","2","2","4","4","2","1") = "3"
    & skf18("1","2","2","4","4","3","1") = "3"
    & skf18("1","2","2","4","4","4","1") = "3"
    & skf18("1","2","2","4","4","5","1") = "4"
    & skf18("1","2","2","4","4","6","1") = "5"
    & skf18("1","2","2","4","4","7","1") = "6"
    & skf18("1","2","2","4","4","8","1") = "7"
    & skf18("1","2","2","4","4","9","1") = "8"
    & skf18("1","2","2","4","4","10","1") = "9"
    & skf18("1","2","2","4","5","1","1") = "4"
    & skf18("1","2","2","4","5","2","1") = "4"
    & skf18("1","2","2","4","5","3","1") = "4"
    & skf18("1","2","2","4","5","4","1") = "4"
    & skf18("1","2","2","4","5","5","1") = "4"
    & skf18("1","2","2","4","5","6","1") = "5"
    & skf18("1","2","2","4","5","7","1") = "6"
    & skf18("1","2","2","4","5","8","1") = "7"
    & skf18("1","2","2","4","5","9","1") = "8"
    & skf18("1","2","2","4","5","10","1") = "9"
    & skf18("1","2","2","4","6","1","1") = "5"
    & skf18("1","2","2","4","6","2","1") = "5"
    & skf18("1","2","2","4","6","3","1") = "5"
    & skf18("1","2","2","4","6","4","1") = "5"
    & skf18("1","2","2","4","6","5","1") = "5"
    & skf18("1","2","2","4","6","6","1") = "5"
    & skf18("1","2","2","4","6","7","1") = "6"
    & skf18("1","2","2","4","6","8","1") = "7"
    & skf18("1","2","2","4","6","9","1") = "8"
    & skf18("1","2","2","4","6","10","1") = "9"
    & skf18("1","2","2","4","7","1","1") = "6"
    & skf18("1","2","2","4","7","2","1") = "6"
    & skf18("1","2","2","4","7","3","1") = "6"
    & skf18("1","2","2","4","7","4","1") = "6"
    & skf18("1","2","2","4","7","5","1") = "6"
    & skf18("1","2","2","4","7","6","1") = "6"
    & skf18("1","2","2","4","7","7","1") = "6"
    & skf18("1","2","2","4","7","8","1") = "7"
    & skf18("1","2","2","4","7","9","1") = "8"
    & skf18("1","2","2","4","7","10","1") = "9"
    & skf18("1","2","2","4","8","1","1") = "7"
    & skf18("1","2","2","4","8","2","1") = "7"
    & skf18("1","2","2","4","8","3","1") = "7"
    & skf18("1","2","2","4","8","4","1") = "7"
    & skf18("1","2","2","4","8","5","1") = "7"
    & skf18("1","2","2","4","8","6","1") = "7"
    & skf18("1","2","2","4","8","7","1") = "7"
    & skf18("1","2","2","4","8","8","1") = "7"
    & skf18("1","2","2","4","8","9","1") = "8"
    & skf18("1","2","2","4","8","10","1") = "9"
    & skf18("1","2","2","4","9","1","1") = "8"
    & skf18("1","2","2","4","9","2","1") = "8"
    & skf18("1","2","2","4","9","3","1") = "8"
    & skf18("1","2","2","4","9","4","1") = "8"
    & skf18("1","2","2","4","9","5","1") = "8"
    & skf18("1","2","2","4","9","6","1") = "8"
    & skf18("1","2","2","4","9","7","1") = "8"
    & skf18("1","2","2","4","9","8","1") = "8"
    & skf18("1","2","2","4","9","9","1") = "8"
    & skf18("1","2","2","4","9","10","1") = "9"
    & skf18("1","2","2","4","10","1","1") = "9"
    & skf18("1","2","2","4","10","2","1") = "9"
    & skf18("1","2","2","4","10","3","1") = "9"
    & skf18("1","2","2","4","10","4","1") = "9"
    & skf18("1","2","2","4","10","5","1") = "9"
    & skf18("1","2","2","4","10","6","1") = "9"
    & skf18("1","2","2","4","10","7","1") = "9"
    & skf18("1","2","2","4","10","8","1") = "9"
    & skf18("1","2","2","4","10","9","1") = "9"
    & skf18("1","2","2","4","10","10","1") = "9"
    & skf18("1","2","2","5","1","1","1") = "4"
    & skf18("1","2","2","5","1","2","1") = "4"
    & skf18("1","2","2","5","1","3","1") = "4"
    & skf18("1","2","2","5","1","4","1") = "4"
    & skf18("1","2","2","5","1","5","1") = "4"
    & skf18("1","2","2","5","1","6","1") = "5"
    & skf18("1","2","2","5","1","7","1") = "6"
    & skf18("1","2","2","5","1","8","1") = "7"
    & skf18("1","2","2","5","1","9","1") = "8"
    & skf18("1","2","2","5","1","10","1") = "9"
    & skf18("1","2","2","5","2","1","1") = "4"
    & skf18("1","2","2","5","2","2","1") = "4"
    & skf18("1","2","2","5","2","3","1") = "4"
    & skf18("1","2","2","5","2","4","1") = "4"
    & skf18("1","2","2","5","2","5","1") = "4"
    & skf18("1","2","2","5","2","6","1") = "5"
    & skf18("1","2","2","5","2","7","1") = "6"
    & skf18("1","2","2","5","2","8","1") = "7"
    & skf18("1","2","2","5","2","9","1") = "8"
    & skf18("1","2","2","5","2","10","1") = "9"
    & skf18("1","2","2","5","3","1","1") = "4"
    & skf18("1","2","2","5","3","2","1") = "4"
    & skf18("1","2","2","5","3","3","1") = "4"
    & skf18("1","2","2","5","3","4","1") = "4"
    & skf18("1","2","2","5","3","5","1") = "4"
    & skf18("1","2","2","5","3","6","1") = "5"
    & skf18("1","2","2","5","3","7","1") = "6"
    & skf18("1","2","2","5","3","8","1") = "7"
    & skf18("1","2","2","5","3","9","1") = "8"
    & skf18("1","2","2","5","3","10","1") = "9"
    & skf18("1","2","2","5","4","1","1") = "4"
    & skf18("1","2","2","5","4","2","1") = "4"
    & skf18("1","2","2","5","4","3","1") = "4"
    & skf18("1","2","2","5","4","4","1") = "4"
    & skf18("1","2","2","5","4","5","1") = "4"
    & skf18("1","2","2","5","4","6","1") = "5"
    & skf18("1","2","2","5","4","7","1") = "6"
    & skf18("1","2","2","5","4","8","1") = "7"
    & skf18("1","2","2","5","4","9","1") = "8"
    & skf18("1","2","2","5","4","10","1") = "9"
    & skf18("1","2","2","5","5","1","1") = "4"
    & skf18("1","2","2","5","5","2","1") = "4"
    & skf18("1","2","2","5","5","3","1") = "4"
    & skf18("1","2","2","5","5","4","1") = "4"
    & skf18("1","2","2","5","5","5","1") = "4"
    & skf18("1","2","2","5","5","6","1") = "5"
    & skf18("1","2","2","5","5","7","1") = "6"
    & skf18("1","2","2","5","5","8","1") = "7"
    & skf18("1","2","2","5","5","9","1") = "8"
    & skf18("1","2","2","5","5","10","1") = "9"
    & skf18("1","2","2","5","6","1","1") = "5"
    & skf18("1","2","2","5","6","2","1") = "5"
    & skf18("1","2","2","5","6","3","1") = "5"
    & skf18("1","2","2","5","6","4","1") = "5"
    & skf18("1","2","2","5","6","5","1") = "5"
    & skf18("1","2","2","5","6","6","1") = "5"
    & skf18("1","2","2","5","6","7","1") = "6"
    & skf18("1","2","2","5","6","8","1") = "7"
    & skf18("1","2","2","5","6","9","1") = "8"
    & skf18("1","2","2","5","6","10","1") = "9"
    & skf18("1","2","2","5","7","1","1") = "6"
    & skf18("1","2","2","5","7","2","1") = "6"
    & skf18("1","2","2","5","7","3","1") = "6"
    & skf18("1","2","2","5","7","4","1") = "6"
    & skf18("1","2","2","5","7","5","1") = "6"
    & skf18("1","2","2","5","7","6","1") = "6"
    & skf18("1","2","2","5","7","7","1") = "6"
    & skf18("1","2","2","5","7","8","1") = "7"
    & skf18("1","2","2","5","7","9","1") = "8"
    & skf18("1","2","2","5","7","10","1") = "9"
    & skf18("1","2","2","5","8","1","1") = "7"
    & skf18("1","2","2","5","8","2","1") = "7"
    & skf18("1","2","2","5","8","3","1") = "7"
    & skf18("1","2","2","5","8","4","1") = "7"
    & skf18("1","2","2","5","8","5","1") = "7"
    & skf18("1","2","2","5","8","6","1") = "7"
    & skf18("1","2","2","5","8","7","1") = "7"
    & skf18("1","2","2","5","8","8","1") = "7"
    & skf18("1","2","2","5","8","9","1") = "8"
    & skf18("1","2","2","5","8","10","1") = "9"
    & skf18("1","2","2","5","9","1","1") = "8"
    & skf18("1","2","2","5","9","2","1") = "8"
    & skf18("1","2","2","5","9","3","1") = "8"
    & skf18("1","2","2","5","9","4","1") = "8"
    & skf18("1","2","2","5","9","5","1") = "8"
    & skf18("1","2","2","5","9","6","1") = "8"
    & skf18("1","2","2","5","9","7","1") = "8"
    & skf18("1","2","2","5","9","8","1") = "8"
    & skf18("1","2","2","5","9","9","1") = "8"
    & skf18("1","2","2","5","9","10","1") = "9"
    & skf18("1","2","2","5","10","1","1") = "9"
    & skf18("1","2","2","5","10","2","1") = "9"
    & skf18("1","2","2","5","10","3","1") = "9"
    & skf18("1","2","2","5","10","4","1") = "9"
    & skf18("1","2","2","5","10","5","1") = "9"
    & skf18("1","2","2","5","10","6","1") = "9"
    & skf18("1","2","2","5","10","7","1") = "9"
    & skf18("1","2","2","5","10","8","1") = "9"
    & skf18("1","2","2","5","10","9","1") = "9"
    & skf18("1","2","2","5","10","10","1") = "9"
    & skf18("1","2","2","6","1","1","1") = "5"
    & skf18("1","2","2","6","1","2","1") = "5"
    & skf18("1","2","2","6","1","3","1") = "5"
    & skf18("1","2","2","6","1","4","1") = "5"
    & skf18("1","2","2","6","1","5","1") = "5"
    & skf18("1","2","2","6","1","6","1") = "5"
    & skf18("1","2","2","6","1","7","1") = "6"
    & skf18("1","2","2","6","1","8","1") = "7"
    & skf18("1","2","2","6","1","9","1") = "8"
    & skf18("1","2","2","6","1","10","1") = "9"
    & skf18("1","2","2","6","2","1","1") = "5"
    & skf18("1","2","2","6","2","2","1") = "5"
    & skf18("1","2","2","6","2","3","1") = "5"
    & skf18("1","2","2","6","2","4","1") = "5"
    & skf18("1","2","2","6","2","5","1") = "5"
    & skf18("1","2","2","6","2","6","1") = "5"
    & skf18("1","2","2","6","2","7","1") = "6"
    & skf18("1","2","2","6","2","8","1") = "7"
    & skf18("1","2","2","6","2","9","1") = "8"
    & skf18("1","2","2","6","2","10","1") = "9"
    & skf18("1","2","2","6","3","1","1") = "5"
    & skf18("1","2","2","6","3","2","1") = "5"
    & skf18("1","2","2","6","3","3","1") = "5"
    & skf18("1","2","2","6","3","4","1") = "5"
    & skf18("1","2","2","6","3","5","1") = "5"
    & skf18("1","2","2","6","3","6","1") = "5"
    & skf18("1","2","2","6","3","7","1") = "6"
    & skf18("1","2","2","6","3","8","1") = "7"
    & skf18("1","2","2","6","3","9","1") = "8"
    & skf18("1","2","2","6","3","10","1") = "9"
    & skf18("1","2","2","6","4","1","1") = "5"
    & skf18("1","2","2","6","4","2","1") = "5"
    & skf18("1","2","2","6","4","3","1") = "5"
    & skf18("1","2","2","6","4","4","1") = "5"
    & skf18("1","2","2","6","4","5","1") = "5"
    & skf18("1","2","2","6","4","6","1") = "5"
    & skf18("1","2","2","6","4","7","1") = "6"
    & skf18("1","2","2","6","4","8","1") = "7"
    & skf18("1","2","2","6","4","9","1") = "8"
    & skf18("1","2","2","6","4","10","1") = "9"
    & skf18("1","2","2","6","5","1","1") = "5"
    & skf18("1","2","2","6","5","2","1") = "5"
    & skf18("1","2","2","6","5","3","1") = "5"
    & skf18("1","2","2","6","5","4","1") = "5"
    & skf18("1","2","2","6","5","5","1") = "5"
    & skf18("1","2","2","6","5","6","1") = "5"
    & skf18("1","2","2","6","5","7","1") = "6"
    & skf18("1","2","2","6","5","8","1") = "7"
    & skf18("1","2","2","6","5","9","1") = "8"
    & skf18("1","2","2","6","5","10","1") = "9"
    & skf18("1","2","2","6","6","1","1") = "5"
    & skf18("1","2","2","6","6","2","1") = "5"
    & skf18("1","2","2","6","6","3","1") = "5"
    & skf18("1","2","2","6","6","4","1") = "5"
    & skf18("1","2","2","6","6","5","1") = "5"
    & skf18("1","2","2","6","6","6","1") = "5"
    & skf18("1","2","2","6","6","7","1") = "6"
    & skf18("1","2","2","6","6","8","1") = "7"
    & skf18("1","2","2","6","6","9","1") = "8"
    & skf18("1","2","2","6","6","10","1") = "9"
    & skf18("1","2","2","6","7","1","1") = "6"
    & skf18("1","2","2","6","7","2","1") = "6"
    & skf18("1","2","2","6","7","3","1") = "6"
    & skf18("1","2","2","6","7","4","1") = "6"
    & skf18("1","2","2","6","7","5","1") = "6"
    & skf18("1","2","2","6","7","6","1") = "6"
    & skf18("1","2","2","6","7","7","1") = "6"
    & skf18("1","2","2","6","7","8","1") = "7"
    & skf18("1","2","2","6","7","9","1") = "8"
    & skf18("1","2","2","6","7","10","1") = "9"
    & skf18("1","2","2","6","8","1","1") = "7"
    & skf18("1","2","2","6","8","2","1") = "7"
    & skf18("1","2","2","6","8","3","1") = "7"
    & skf18("1","2","2","6","8","4","1") = "7"
    & skf18("1","2","2","6","8","5","1") = "7"
    & skf18("1","2","2","6","8","6","1") = "7"
    & skf18("1","2","2","6","8","7","1") = "7"
    & skf18("1","2","2","6","8","8","1") = "7"
    & skf18("1","2","2","6","8","9","1") = "8"
    & skf18("1","2","2","6","8","10","1") = "9"
    & skf18("1","2","2","6","9","1","1") = "8"
    & skf18("1","2","2","6","9","2","1") = "8"
    & skf18("1","2","2","6","9","3","1") = "8"
    & skf18("1","2","2","6","9","4","1") = "8"
    & skf18("1","2","2","6","9","5","1") = "8"
    & skf18("1","2","2","6","9","6","1") = "8"
    & skf18("1","2","2","6","9","7","1") = "8"
    & skf18("1","2","2","6","9","8","1") = "8"
    & skf18("1","2","2","6","9","9","1") = "8"
    & skf18("1","2","2","6","9","10","1") = "9"
    & skf18("1","2","2","6","10","1","1") = "9"
    & skf18("1","2","2","6","10","2","1") = "9"
    & skf18("1","2","2","6","10","3","1") = "9"
    & skf18("1","2","2","6","10","4","1") = "9"
    & skf18("1","2","2","6","10","5","1") = "9"
    & skf18("1","2","2","6","10","6","1") = "9"
    & skf18("1","2","2","6","10","7","1") = "9"
    & skf18("1","2","2","6","10","8","1") = "9"
    & skf18("1","2","2","6","10","9","1") = "9"
    & skf18("1","2","2","6","10","10","1") = "9"
    & skf18("1","2","2","7","1","1","1") = "6"
    & skf18("1","2","2","7","1","2","1") = "6"
    & skf18("1","2","2","7","1","3","1") = "6"
    & skf18("1","2","2","7","1","4","1") = "6"
    & skf18("1","2","2","7","1","5","1") = "6"
    & skf18("1","2","2","7","1","6","1") = "6"
    & skf18("1","2","2","7","1","7","1") = "6"
    & skf18("1","2","2","7","1","8","1") = "7"
    & skf18("1","2","2","7","1","9","1") = "8"
    & skf18("1","2","2","7","1","10","1") = "9"
    & skf18("1","2","2","7","2","1","1") = "6"
    & skf18("1","2","2","7","2","2","1") = "6"
    & skf18("1","2","2","7","2","3","1") = "6"
    & skf18("1","2","2","7","2","4","1") = "6"
    & skf18("1","2","2","7","2","5","1") = "6"
    & skf18("1","2","2","7","2","6","1") = "6"
    & skf18("1","2","2","7","2","7","1") = "6"
    & skf18("1","2","2","7","2","8","1") = "7"
    & skf18("1","2","2","7","2","9","1") = "8"
    & skf18("1","2","2","7","2","10","1") = "9"
    & skf18("1","2","2","7","3","1","1") = "6"
    & skf18("1","2","2","7","3","2","1") = "6"
    & skf18("1","2","2","7","3","3","1") = "6"
    & skf18("1","2","2","7","3","4","1") = "6"
    & skf18("1","2","2","7","3","5","1") = "6"
    & skf18("1","2","2","7","3","6","1") = "6"
    & skf18("1","2","2","7","3","7","1") = "6"
    & skf18("1","2","2","7","3","8","1") = "7"
    & skf18("1","2","2","7","3","9","1") = "8"
    & skf18("1","2","2","7","3","10","1") = "9"
    & skf18("1","2","2","7","4","1","1") = "6"
    & skf18("1","2","2","7","4","2","1") = "6"
    & skf18("1","2","2","7","4","3","1") = "6"
    & skf18("1","2","2","7","4","4","1") = "6"
    & skf18("1","2","2","7","4","5","1") = "6"
    & skf18("1","2","2","7","4","6","1") = "6"
    & skf18("1","2","2","7","4","7","1") = "6"
    & skf18("1","2","2","7","4","8","1") = "7"
    & skf18("1","2","2","7","4","9","1") = "8"
    & skf18("1","2","2","7","4","10","1") = "9"
    & skf18("1","2","2","7","5","1","1") = "6"
    & skf18("1","2","2","7","5","2","1") = "6"
    & skf18("1","2","2","7","5","3","1") = "6"
    & skf18("1","2","2","7","5","4","1") = "6"
    & skf18("1","2","2","7","5","5","1") = "6"
    & skf18("1","2","2","7","5","6","1") = "6"
    & skf18("1","2","2","7","5","7","1") = "6"
    & skf18("1","2","2","7","5","8","1") = "7"
    & skf18("1","2","2","7","5","9","1") = "8"
    & skf18("1","2","2","7","5","10","1") = "9"
    & skf18("1","2","2","7","6","1","1") = "6"
    & skf18("1","2","2","7","6","2","1") = "6"
    & skf18("1","2","2","7","6","3","1") = "6"
    & skf18("1","2","2","7","6","4","1") = "6"
    & skf18("1","2","2","7","6","5","1") = "6"
    & skf18("1","2","2","7","6","6","1") = "6"
    & skf18("1","2","2","7","6","7","1") = "6"
    & skf18("1","2","2","7","6","8","1") = "7"
    & skf18("1","2","2","7","6","9","1") = "8"
    & skf18("1","2","2","7","6","10","1") = "9"
    & skf18("1","2","2","7","7","1","1") = "6"
    & skf18("1","2","2","7","7","2","1") = "6"
    & skf18("1","2","2","7","7","3","1") = "6"
    & skf18("1","2","2","7","7","4","1") = "6"
    & skf18("1","2","2","7","7","5","1") = "6"
    & skf18("1","2","2","7","7","6","1") = "6"
    & skf18("1","2","2","7","7","7","1") = "6"
    & skf18("1","2","2","7","7","8","1") = "7"
    & skf18("1","2","2","7","7","9","1") = "8"
    & skf18("1","2","2","7","7","10","1") = "9"
    & skf18("1","2","2","7","8","1","1") = "7"
    & skf18("1","2","2","7","8","2","1") = "7"
    & skf18("1","2","2","7","8","3","1") = "7"
    & skf18("1","2","2","7","8","4","1") = "7"
    & skf18("1","2","2","7","8","5","1") = "7"
    & skf18("1","2","2","7","8","6","1") = "7"
    & skf18("1","2","2","7","8","7","1") = "7"
    & skf18("1","2","2","7","8","8","1") = "7"
    & skf18("1","2","2","7","8","9","1") = "8"
    & skf18("1","2","2","7","8","10","1") = "9"
    & skf18("1","2","2","7","9","1","1") = "8"
    & skf18("1","2","2","7","9","2","1") = "8"
    & skf18("1","2","2","7","9","3","1") = "8"
    & skf18("1","2","2","7","9","4","1") = "8"
    & skf18("1","2","2","7","9","5","1") = "8"
    & skf18("1","2","2","7","9","6","1") = "8"
    & skf18("1","2","2","7","9","7","1") = "8"
    & skf18("1","2","2","7","9","8","1") = "8"
    & skf18("1","2","2","7","9","9","1") = "8"
    & skf18("1","2","2","7","9","10","1") = "9"
    & skf18("1","2","2","7","10","1","1") = "9"
    & skf18("1","2","2","7","10","2","1") = "9"
    & skf18("1","2","2","7","10","3","1") = "9"
    & skf18("1","2","2","7","10","4","1") = "9"
    & skf18("1","2","2","7","10","5","1") = "9"
    & skf18("1","2","2","7","10","6","1") = "9"
    & skf18("1","2","2","7","10","7","1") = "9"
    & skf18("1","2","2","7","10","8","1") = "9"
    & skf18("1","2","2","7","10","9","1") = "9"
    & skf18("1","2","2","7","10","10","1") = "9"
    & skf18("1","2","2","8","1","1","1") = "7"
    & skf18("1","2","2","8","1","2","1") = "7"
    & skf18("1","2","2","8","1","3","1") = "7"
    & skf18("1","2","2","8","1","4","1") = "7"
    & skf18("1","2","2","8","1","5","1") = "7"
    & skf18("1","2","2","8","1","6","1") = "7"
    & skf18("1","2","2","8","1","7","1") = "7"
    & skf18("1","2","2","8","1","8","1") = "7"
    & skf18("1","2","2","8","1","9","1") = "8"
    & skf18("1","2","2","8","1","10","1") = "9"
    & skf18("1","2","2","8","2","1","1") = "7"
    & skf18("1","2","2","8","2","2","1") = "7"
    & skf18("1","2","2","8","2","3","1") = "7"
    & skf18("1","2","2","8","2","4","1") = "7"
    & skf18("1","2","2","8","2","5","1") = "7"
    & skf18("1","2","2","8","2","6","1") = "7"
    & skf18("1","2","2","8","2","7","1") = "7"
    & skf18("1","2","2","8","2","8","1") = "7"
    & skf18("1","2","2","8","2","9","1") = "8"
    & skf18("1","2","2","8","2","10","1") = "9"
    & skf18("1","2","2","8","3","1","1") = "7"
    & skf18("1","2","2","8","3","2","1") = "7"
    & skf18("1","2","2","8","3","3","1") = "7"
    & skf18("1","2","2","8","3","4","1") = "7"
    & skf18("1","2","2","8","3","5","1") = "7"
    & skf18("1","2","2","8","3","6","1") = "7"
    & skf18("1","2","2","8","3","7","1") = "7"
    & skf18("1","2","2","8","3","8","1") = "7"
    & skf18("1","2","2","8","3","9","1") = "8"
    & skf18("1","2","2","8","3","10","1") = "9"
    & skf18("1","2","2","8","4","1","1") = "7"
    & skf18("1","2","2","8","4","2","1") = "7"
    & skf18("1","2","2","8","4","3","1") = "7"
    & skf18("1","2","2","8","4","4","1") = "7"
    & skf18("1","2","2","8","4","5","1") = "7"
    & skf18("1","2","2","8","4","6","1") = "7"
    & skf18("1","2","2","8","4","7","1") = "7"
    & skf18("1","2","2","8","4","8","1") = "7"
    & skf18("1","2","2","8","4","9","1") = "8"
    & skf18("1","2","2","8","4","10","1") = "9"
    & skf18("1","2","2","8","5","1","1") = "7"
    & skf18("1","2","2","8","5","2","1") = "7"
    & skf18("1","2","2","8","5","3","1") = "7"
    & skf18("1","2","2","8","5","4","1") = "7"
    & skf18("1","2","2","8","5","5","1") = "7"
    & skf18("1","2","2","8","5","6","1") = "7"
    & skf18("1","2","2","8","5","7","1") = "7"
    & skf18("1","2","2","8","5","8","1") = "7"
    & skf18("1","2","2","8","5","9","1") = "8"
    & skf18("1","2","2","8","5","10","1") = "9"
    & skf18("1","2","2","8","6","1","1") = "7"
    & skf18("1","2","2","8","6","2","1") = "7"
    & skf18("1","2","2","8","6","3","1") = "7"
    & skf18("1","2","2","8","6","4","1") = "7"
    & skf18("1","2","2","8","6","5","1") = "7"
    & skf18("1","2","2","8","6","6","1") = "7"
    & skf18("1","2","2","8","6","7","1") = "7"
    & skf18("1","2","2","8","6","8","1") = "7"
    & skf18("1","2","2","8","6","9","1") = "8"
    & skf18("1","2","2","8","6","10","1") = "9"
    & skf18("1","2","2","8","7","1","1") = "7"
    & skf18("1","2","2","8","7","2","1") = "7"
    & skf18("1","2","2","8","7","3","1") = "7"
    & skf18("1","2","2","8","7","4","1") = "7"
    & skf18("1","2","2","8","7","5","1") = "7"
    & skf18("1","2","2","8","7","6","1") = "7"
    & skf18("1","2","2","8","7","7","1") = "7"
    & skf18("1","2","2","8","7","8","1") = "7"
    & skf18("1","2","2","8","7","9","1") = "8"
    & skf18("1","2","2","8","7","10","1") = "9"
    & skf18("1","2","2","8","8","1","1") = "7"
    & skf18("1","2","2","8","8","2","1") = "7"
    & skf18("1","2","2","8","8","3","1") = "7"
    & skf18("1","2","2","8","8","4","1") = "7"
    & skf18("1","2","2","8","8","5","1") = "7"
    & skf18("1","2","2","8","8","6","1") = "7"
    & skf18("1","2","2","8","8","7","1") = "7"
    & skf18("1","2","2","8","8","8","1") = "7"
    & skf18("1","2","2","8","8","9","1") = "8"
    & skf18("1","2","2","8","8","10","1") = "9"
    & skf18("1","2","2","8","9","1","1") = "8"
    & skf18("1","2","2","8","9","2","1") = "8"
    & skf18("1","2","2","8","9","3","1") = "8"
    & skf18("1","2","2","8","9","4","1") = "8"
    & skf18("1","2","2","8","9","5","1") = "8"
    & skf18("1","2","2","8","9","6","1") = "8"
    & skf18("1","2","2","8","9","7","1") = "8"
    & skf18("1","2","2","8","9","8","1") = "8"
    & skf18("1","2","2","8","9","9","1") = "8"
    & skf18("1","2","2","8","9","10","1") = "9"
    & skf18("1","2","2","8","10","1","1") = "9"
    & skf18("1","2","2","8","10","2","1") = "9"
    & skf18("1","2","2","8","10","3","1") = "9"
    & skf18("1","2","2","8","10","4","1") = "9"
    & skf18("1","2","2","8","10","5","1") = "9"
    & skf18("1","2","2","8","10","6","1") = "9"
    & skf18("1","2","2","8","10","7","1") = "9"
    & skf18("1","2","2","8","10","8","1") = "9"
    & skf18("1","2","2","8","10","9","1") = "9"
    & skf18("1","2","2","8","10","10","1") = "9"
    & skf18("1","2","2","9","1","1","1") = "8"
    & skf18("1","2","2","9","1","2","1") = "8"
    & skf18("1","2","2","9","1","3","1") = "8"
    & skf18("1","2","2","9","1","4","1") = "8"
    & skf18("1","2","2","9","1","5","1") = "8"
    & skf18("1","2","2","9","1","6","1") = "8"
    & skf18("1","2","2","9","1","7","1") = "8"
    & skf18("1","2","2","9","1","8","1") = "8"
    & skf18("1","2","2","9","1","9","1") = "8"
    & skf18("1","2","2","9","1","10","1") = "9"
    & skf18("1","2","2","9","2","1","1") = "8"
    & skf18("1","2","2","9","2","2","1") = "8"
    & skf18("1","2","2","9","2","3","1") = "8"
    & skf18("1","2","2","9","2","4","1") = "8"
    & skf18("1","2","2","9","2","5","1") = "8"
    & skf18("1","2","2","9","2","6","1") = "8"
    & skf18("1","2","2","9","2","7","1") = "8"
    & skf18("1","2","2","9","2","8","1") = "8"
    & skf18("1","2","2","9","2","9","1") = "8"
    & skf18("1","2","2","9","2","10","1") = "9"
    & skf18("1","2","2","9","3","1","1") = "8"
    & skf18("1","2","2","9","3","2","1") = "8"
    & skf18("1","2","2","9","3","3","1") = "8"
    & skf18("1","2","2","9","3","4","1") = "8"
    & skf18("1","2","2","9","3","5","1") = "8"
    & skf18("1","2","2","9","3","6","1") = "8"
    & skf18("1","2","2","9","3","7","1") = "8"
    & skf18("1","2","2","9","3","8","1") = "8"
    & skf18("1","2","2","9","3","9","1") = "8"
    & skf18("1","2","2","9","3","10","1") = "9"
    & skf18("1","2","2","9","4","1","1") = "8"
    & skf18("1","2","2","9","4","2","1") = "8"
    & skf18("1","2","2","9","4","3","1") = "8"
    & skf18("1","2","2","9","4","4","1") = "8"
    & skf18("1","2","2","9","4","5","1") = "8"
    & skf18("1","2","2","9","4","6","1") = "8"
    & skf18("1","2","2","9","4","7","1") = "8"
    & skf18("1","2","2","9","4","8","1") = "8"
    & skf18("1","2","2","9","4","9","1") = "8"
    & skf18("1","2","2","9","4","10","1") = "9"
    & skf18("1","2","2","9","5","1","1") = "8"
    & skf18("1","2","2","9","5","2","1") = "8"
    & skf18("1","2","2","9","5","3","1") = "8"
    & skf18("1","2","2","9","5","4","1") = "8"
    & skf18("1","2","2","9","5","5","1") = "8"
    & skf18("1","2","2","9","5","6","1") = "8"
    & skf18("1","2","2","9","5","7","1") = "8"
    & skf18("1","2","2","9","5","8","1") = "8"
    & skf18("1","2","2","9","5","9","1") = "8"
    & skf18("1","2","2","9","5","10","1") = "9"
    & skf18("1","2","2","9","6","1","1") = "8"
    & skf18("1","2","2","9","6","2","1") = "8"
    & skf18("1","2","2","9","6","3","1") = "8"
    & skf18("1","2","2","9","6","4","1") = "8"
    & skf18("1","2","2","9","6","5","1") = "8"
    & skf18("1","2","2","9","6","6","1") = "8"
    & skf18("1","2","2","9","6","7","1") = "8"
    & skf18("1","2","2","9","6","8","1") = "8"
    & skf18("1","2","2","9","6","9","1") = "8"
    & skf18("1","2","2","9","6","10","1") = "9"
    & skf18("1","2","2","9","7","1","1") = "8"
    & skf18("1","2","2","9","7","2","1") = "8"
    & skf18("1","2","2","9","7","3","1") = "8"
    & skf18("1","2","2","9","7","4","1") = "8"
    & skf18("1","2","2","9","7","5","1") = "8"
    & skf18("1","2","2","9","7","6","1") = "8"
    & skf18("1","2","2","9","7","7","1") = "8"
    & skf18("1","2","2","9","7","8","1") = "8"
    & skf18("1","2","2","9","7","9","1") = "8"
    & skf18("1","2","2","9","7","10","1") = "9"
    & skf18("1","2","2","9","8","1","1") = "8"
    & skf18("1","2","2","9","8","2","1") = "8"
    & skf18("1","2","2","9","8","3","1") = "8"
    & skf18("1","2","2","9","8","4","1") = "8"
    & skf18("1","2","2","9","8","5","1") = "8"
    & skf18("1","2","2","9","8","6","1") = "8"
    & skf18("1","2","2","9","8","7","1") = "8"
    & skf18("1","2","2","9","8","8","1") = "8"
    & skf18("1","2","2","9","8","9","1") = "8"
    & skf18("1","2","2","9","8","10","1") = "9"
    & skf18("1","2","2","9","9","1","1") = "8"
    & skf18("1","2","2","9","9","2","1") = "8"
    & skf18("1","2","2","9","9","3","1") = "8"
    & skf18("1","2","2","9","9","4","1") = "8"
    & skf18("1","2","2","9","9","5","1") = "8"
    & skf18("1","2","2","9","9","6","1") = "8"
    & skf18("1","2","2","9","9","7","1") = "8"
    & skf18("1","2","2","9","9","8","1") = "8"
    & skf18("1","2","2","9","9","9","1") = "8"
    & skf18("1","2","2","9","9","10","1") = "9"
    & skf18("1","2","2","9","10","1","1") = "9"
    & skf18("1","2","2","9","10","2","1") = "9"
    & skf18("1","2","2","9","10","3","1") = "9"
    & skf18("1","2","2","9","10","4","1") = "9"
    & skf18("1","2","2","9","10","5","1") = "9"
    & skf18("1","2","2","9","10","6","1") = "9"
    & skf18("1","2","2","9","10","7","1") = "9"
    & skf18("1","2","2","9","10","8","1") = "9"
    & skf18("1","2","2","9","10","9","1") = "9"
    & skf18("1","2","2","9","10","10","1") = "9"
    & skf18("1","2","2","10","1","1","1") = "9"
    & skf18("1","2","2","10","1","2","1") = "9"
    & skf18("1","2","2","10","1","3","1") = "9"
    & skf18("1","2","2","10","1","4","1") = "9"
    & skf18("1","2","2","10","1","5","1") = "9"
    & skf18("1","2","2","10","1","6","1") = "9"
    & skf18("1","2","2","10","1","7","1") = "9"
    & skf18("1","2","2","10","1","8","1") = "9"
    & skf18("1","2","2","10","1","9","1") = "9"
    & skf18("1","2","2","10","1","10","1") = "9"
    & skf18("1","2","2","10","2","1","1") = "9"
    & skf18("1","2","2","10","2","2","1") = "9"
    & skf18("1","2","2","10","2","3","1") = "9"
    & skf18("1","2","2","10","2","4","1") = "9"
    & skf18("1","2","2","10","2","5","1") = "9"
    & skf18("1","2","2","10","2","6","1") = "9"
    & skf18("1","2","2","10","2","7","1") = "9"
    & skf18("1","2","2","10","2","8","1") = "9"
    & skf18("1","2","2","10","2","9","1") = "9"
    & skf18("1","2","2","10","2","10","1") = "9"
    & skf18("1","2","2","10","3","1","1") = "9"
    & skf18("1","2","2","10","3","2","1") = "9"
    & skf18("1","2","2","10","3","3","1") = "9"
    & skf18("1","2","2","10","3","4","1") = "9"
    & skf18("1","2","2","10","3","5","1") = "9"
    & skf18("1","2","2","10","3","6","1") = "9"
    & skf18("1","2","2","10","3","7","1") = "9"
    & skf18("1","2","2","10","3","8","1") = "9"
    & skf18("1","2","2","10","3","9","1") = "9"
    & skf18("1","2","2","10","3","10","1") = "9"
    & skf18("1","2","2","10","4","1","1") = "9"
    & skf18("1","2","2","10","4","2","1") = "9"
    & skf18("1","2","2","10","4","3","1") = "9"
    & skf18("1","2","2","10","4","4","1") = "9"
    & skf18("1","2","2","10","4","5","1") = "9"
    & skf18("1","2","2","10","4","6","1") = "9"
    & skf18("1","2","2","10","4","7","1") = "9"
    & skf18("1","2","2","10","4","8","1") = "9"
    & skf18("1","2","2","10","4","9","1") = "9"
    & skf18("1","2","2","10","4","10","1") = "9"
    & skf18("1","2","2","10","5","1","1") = "9"
    & skf18("1","2","2","10","5","2","1") = "9"
    & skf18("1","2","2","10","5","3","1") = "9"
    & skf18("1","2","2","10","5","4","1") = "9"
    & skf18("1","2","2","10","5","5","1") = "9"
    & skf18("1","2","2","10","5","6","1") = "9"
    & skf18("1","2","2","10","5","7","1") = "9"
    & skf18("1","2","2","10","5","8","1") = "9"
    & skf18("1","2","2","10","5","9","1") = "9"
    & skf18("1","2","2","10","5","10","1") = "9"
    & skf18("1","2","2","10","6","1","1") = "9"
    & skf18("1","2","2","10","6","2","1") = "9"
    & skf18("1","2","2","10","6","3","1") = "9"
    & skf18("1","2","2","10","6","4","1") = "9"
    & skf18("1","2","2","10","6","5","1") = "9"
    & skf18("1","2","2","10","6","6","1") = "9"
    & skf18("1","2","2","10","6","7","1") = "9"
    & skf18("1","2","2","10","6","8","1") = "9"
    & skf18("1","2","2","10","6","9","1") = "9"
    & skf18("1","2","2","10","6","10","1") = "9"
    & skf18("1","2","2","10","7","1","1") = "9"
    & skf18("1","2","2","10","7","2","1") = "9"
    & skf18("1","2","2","10","7","3","1") = "9"
    & skf18("1","2","2","10","7","4","1") = "9"
    & skf18("1","2","2","10","7","5","1") = "9"
    & skf18("1","2","2","10","7","6","1") = "9"
    & skf18("1","2","2","10","7","7","1") = "9"
    & skf18("1","2","2","10","7","8","1") = "9"
    & skf18("1","2","2","10","7","9","1") = "9"
    & skf18("1","2","2","10","7","10","1") = "9"
    & skf18("1","2","2","10","8","1","1") = "9"
    & skf18("1","2","2","10","8","2","1") = "9"
    & skf18("1","2","2","10","8","3","1") = "9"
    & skf18("1","2","2","10","8","4","1") = "9"
    & skf18("1","2","2","10","8","5","1") = "9"
    & skf18("1","2","2","10","8","6","1") = "9"
    & skf18("1","2","2","10","8","7","1") = "9"
    & skf18("1","2","2","10","8","8","1") = "9"
    & skf18("1","2","2","10","8","9","1") = "9"
    & skf18("1","2","2","10","8","10","1") = "9"
    & skf18("1","2","2","10","9","1","1") = "9"
    & skf18("1","2","2","10","9","2","1") = "9"
    & skf18("1","2","2","10","9","3","1") = "9"
    & skf18("1","2","2","10","9","4","1") = "9"
    & skf18("1","2","2","10","9","5","1") = "9"
    & skf18("1","2","2","10","9","6","1") = "9"
    & skf18("1","2","2","10","9","7","1") = "9"
    & skf18("1","2","2","10","9","8","1") = "9"
    & skf18("1","2","2","10","9","9","1") = "9"
    & skf18("1","2","2","10","9","10","1") = "9"
    & skf18("1","2","2","10","10","1","1") = "9"
    & skf18("1","2","2","10","10","2","1") = "9"
    & skf18("1","2","2","10","10","3","1") = "9"
    & skf18("1","2","2","10","10","4","1") = "9"
    & skf18("1","2","2","10","10","5","1") = "9"
    & skf18("1","2","2","10","10","6","1") = "9"
    & skf18("1","2","2","10","10","7","1") = "9"
    & skf18("1","2","2","10","10","8","1") = "9"
    & skf18("1","2","2","10","10","9","1") = "9"
    & skf18("1","2","2","10","10","10","1") = "9"
    & skf18("1","2","3","1","1","1","1") = "2"
    & skf18("1","2","3","1","1","2","1") = "2"
    & skf18("1","2","3","1","1","3","1") = "2"
    & skf18("1","2","3","1","1","4","1") = "3"
    & skf18("1","2","3","1","1","5","1") = "4"
    & skf18("1","2","3","1","1","6","1") = "5"
    & skf18("1","2","3","1","1","7","1") = "6"
    & skf18("1","2","3","1","1","8","1") = "7"
    & skf18("1","2","3","1","1","9","1") = "8"
    & skf18("1","2","3","1","1","10","1") = "9"
    & skf18("1","2","3","1","2","1","1") = "2"
    & skf18("1","2","3","1","2","2","1") = "2"
    & skf18("1","2","3","1","2","3","1") = "2"
    & skf18("1","2","3","1","2","4","1") = "3"
    & skf18("1","2","3","1","2","5","1") = "4"
    & skf18("1","2","3","1","2","6","1") = "5"
    & skf18("1","2","3","1","2","7","1") = "6"
    & skf18("1","2","3","1","2","8","1") = "7"
    & skf18("1","2","3","1","2","9","1") = "8"
    & skf18("1","2","3","1","2","10","1") = "9"
    & skf18("1","2","3","1","3","1","1") = "2"
    & skf18("1","2","3","1","3","2","1") = "2"
    & skf18("1","2","3","1","3","3","1") = "2"
    & skf18("1","2","3","1","3","4","1") = "3"
    & skf18("1","2","3","1","3","5","1") = "4"
    & skf18("1","2","3","1","3","6","1") = "5"
    & skf18("1","2","3","1","3","7","1") = "6"
    & skf18("1","2","3","1","3","8","1") = "7"
    & skf18("1","2","3","1","3","9","1") = "8"
    & skf18("1","2","3","1","3","10","1") = "9"
    & skf18("1","2","3","1","4","1","1") = "3"
    & skf18("1","2","3","1","4","2","1") = "3"
    & skf18("1","2","3","1","4","3","1") = "3"
    & skf18("1","2","3","1","4","4","1") = "3"
    & skf18("1","2","3","1","4","5","1") = "4"
    & skf18("1","2","3","1","4","6","1") = "5"
    & skf18("1","2","3","1","4","7","1") = "6"
    & skf18("1","2","3","1","4","8","1") = "7"
    & skf18("1","2","3","1","4","9","1") = "8"
    & skf18("1","2","3","1","4","10","1") = "9"
    & skf18("1","2","3","1","5","1","1") = "4"
    & skf18("1","2","3","1","5","2","1") = "4"
    & skf18("1","2","3","1","5","3","1") = "4"
    & skf18("1","2","3","1","5","4","1") = "4"
    & skf18("1","2","3","1","5","5","1") = "4"
    & skf18("1","2","3","1","5","6","1") = "5"
    & skf18("1","2","3","1","5","7","1") = "6"
    & skf18("1","2","3","1","5","8","1") = "7"
    & skf18("1","2","3","1","5","9","1") = "8"
    & skf18("1","2","3","1","5","10","1") = "9"
    & skf18("1","2","3","1","6","1","1") = "5"
    & skf18("1","2","3","1","6","2","1") = "5"
    & skf18("1","2","3","1","6","3","1") = "5"
    & skf18("1","2","3","1","6","4","1") = "5"
    & skf18("1","2","3","1","6","5","1") = "5"
    & skf18("1","2","3","1","6","6","1") = "5"
    & skf18("1","2","3","1","6","7","1") = "6"
    & skf18("1","2","3","1","6","8","1") = "7"
    & skf18("1","2","3","1","6","9","1") = "8"
    & skf18("1","2","3","1","6","10","1") = "9"
    & skf18("1","2","3","1","7","1","1") = "6"
    & skf18("1","2","3","1","7","2","1") = "6"
    & skf18("1","2","3","1","7","3","1") = "6"
    & skf18("1","2","3","1","7","4","1") = "6"
    & skf18("1","2","3","1","7","5","1") = "6"
    & skf18("1","2","3","1","7","6","1") = "6"
    & skf18("1","2","3","1","7","7","1") = "6"
    & skf18("1","2","3","1","7","8","1") = "7"
    & skf18("1","2","3","1","7","9","1") = "8"
    & skf18("1","2","3","1","7","10","1") = "9"
    & skf18("1","2","3","1","8","1","1") = "7"
    & skf18("1","2","3","1","8","2","1") = "7"
    & skf18("1","2","3","1","8","3","1") = "7"
    & skf18("1","2","3","1","8","4","1") = "7"
    & skf18("1","2","3","1","8","5","1") = "7"
    & skf18("1","2","3","1","8","6","1") = "7"
    & skf18("1","2","3","1","8","7","1") = "7"
    & skf18("1","2","3","1","8","8","1") = "7"
    & skf18("1","2","3","1","8","9","1") = "8"
    & skf18("1","2","3","1","8","10","1") = "9"
    & skf18("1","2","3","1","9","1","1") = "8"
    & skf18("1","2","3","1","9","2","1") = "8"
    & skf18("1","2","3","1","9","3","1") = "8"
    & skf18("1","2","3","1","9","4","1") = "8"
    & skf18("1","2","3","1","9","5","1") = "8"
    & skf18("1","2","3","1","9","6","1") = "8"
    & skf18("1","2","3","1","9","7","1") = "8"
    & skf18("1","2","3","1","9","8","1") = "8"
    & skf18("1","2","3","1","9","9","1") = "8"
    & skf18("1","2","3","1","9","10","1") = "9"
    & skf18("1","2","3","1","10","1","1") = "9"
    & skf18("1","2","3","1","10","2","1") = "9"
    & skf18("1","2","3","1","10","3","1") = "9"
    & skf18("1","2","3","1","10","4","1") = "9"
    & skf18("1","2","3","1","10","5","1") = "9"
    & skf18("1","2","3","1","10","6","1") = "9"
    & skf18("1","2","3","1","10","7","1") = "9"
    & skf18("1","2","3","1","10","8","1") = "9"
    & skf18("1","2","3","1","10","9","1") = "9"
    & skf18("1","2","3","1","10","10","1") = "9"
    & skf18("1","2","3","2","1","1","1") = "2"
    & skf18("1","2","3","2","1","2","1") = "2"
    & skf18("1","2","3","2","1","3","1") = "1"
    & skf18("1","2","3","2","1","4","1") = "3"
    & skf18("1","2","3","2","1","5","1") = "4"
    & skf18("1","2","3","2","1","6","1") = "5"
    & skf18("1","2","3","2","1","7","1") = "6"
    & skf18("1","2","3","2","1","8","1") = "7"
    & skf18("1","2","3","2","1","9","1") = "8"
    & skf18("1","2","3","2","1","10","1") = "9"
    & skf18("1","2","3","2","2","1","1") = "2"
    & skf18("1","2","3","2","2","2","1") = "2"
    & skf18("1","2","3","2","2","3","1") = "2"
    & skf18("1","2","3","2","2","4","1") = "3"
    & skf18("1","2","3","2","2","5","1") = "4"
    & skf18("1","2","3","2","2","6","1") = "5"
    & skf18("1","2","3","2","2","7","1") = "6"
    & skf18("1","2","3","2","2","8","1") = "7"
    & skf18("1","2","3","2","2","9","1") = "8"
    & skf18("1","2","3","2","2","10","1") = "9"
    & skf18("1","2","3","2","3","1","1") = "2"
    & skf18("1","2","3","2","3","2","1") = "2"
    & skf18("1","2","3","2","3","3","1") = "2"
    & skf18("1","2","3","2","3","4","1") = "3"
    & skf18("1","2","3","2","3","5","1") = "4"
    & skf18("1","2","3","2","3","6","1") = "5"
    & skf18("1","2","3","2","3","7","1") = "6"
    & skf18("1","2","3","2","3","8","1") = "7"
    & skf18("1","2","3","2","3","9","1") = "8"
    & skf18("1","2","3","2","3","10","1") = "9"
    & skf18("1","2","3","2","4","1","1") = "3"
    & skf18("1","2","3","2","4","2","1") = "3"
    & skf18("1","2","3","2","4","3","1") = "3"
    & skf18("1","2","3","2","4","4","1") = "3"
    & skf18("1","2","3","2","4","5","1") = "4"
    & skf18("1","2","3","2","4","6","1") = "5"
    & skf18("1","2","3","2","4","7","1") = "6"
    & skf18("1","2","3","2","4","8","1") = "7"
    & skf18("1","2","3","2","4","9","1") = "8"
    & skf18("1","2","3","2","4","10","1") = "9"
    & skf18("1","2","3","2","5","1","1") = "4"
    & skf18("1","2","3","2","5","2","1") = "4"
    & skf18("1","2","3","2","5","3","1") = "4"
    & skf18("1","2","3","2","5","4","1") = "4"
    & skf18("1","2","3","2","5","5","1") = "4"
    & skf18("1","2","3","2","5","6","1") = "5"
    & skf18("1","2","3","2","5","7","1") = "6"
    & skf18("1","2","3","2","5","8","1") = "7"
    & skf18("1","2","3","2","5","9","1") = "8"
    & skf18("1","2","3","2","5","10","1") = "9"
    & skf18("1","2","3","2","6","1","1") = "5"
    & skf18("1","2","3","2","6","2","1") = "5"
    & skf18("1","2","3","2","6","3","1") = "5"
    & skf18("1","2","3","2","6","4","1") = "5"
    & skf18("1","2","3","2","6","5","1") = "5"
    & skf18("1","2","3","2","6","6","1") = "5"
    & skf18("1","2","3","2","6","7","1") = "6"
    & skf18("1","2","3","2","6","8","1") = "7"
    & skf18("1","2","3","2","6","9","1") = "8"
    & skf18("1","2","3","2","6","10","1") = "9"
    & skf18("1","2","3","2","7","1","1") = "6"
    & skf18("1","2","3","2","7","2","1") = "6"
    & skf18("1","2","3","2","7","3","1") = "6"
    & skf18("1","2","3","2","7","4","1") = "6"
    & skf18("1","2","3","2","7","5","1") = "6"
    & skf18("1","2","3","2","7","6","1") = "6"
    & skf18("1","2","3","2","7","7","1") = "6"
    & skf18("1","2","3","2","7","8","1") = "7"
    & skf18("1","2","3","2","7","9","1") = "8"
    & skf18("1","2","3","2","7","10","1") = "9"
    & skf18("1","2","3","2","8","1","1") = "7"
    & skf18("1","2","3","2","8","2","1") = "7"
    & skf18("1","2","3","2","8","3","1") = "7"
    & skf18("1","2","3","2","8","4","1") = "7"
    & skf18("1","2","3","2","8","5","1") = "7"
    & skf18("1","2","3","2","8","6","1") = "7"
    & skf18("1","2","3","2","8","7","1") = "7"
    & skf18("1","2","3","2","8","8","1") = "7"
    & skf18("1","2","3","2","8","9","1") = "8"
    & skf18("1","2","3","2","8","10","1") = "9"
    & skf18("1","2","3","2","9","1","1") = "8"
    & skf18("1","2","3","2","9","2","1") = "8"
    & skf18("1","2","3","2","9","3","1") = "8"
    & skf18("1","2","3","2","9","4","1") = "8"
    & skf18("1","2","3","2","9","5","1") = "8"
    & skf18("1","2","3","2","9","6","1") = "8"
    & skf18("1","2","3","2","9","7","1") = "8"
    & skf18("1","2","3","2","9","8","1") = "8"
    & skf18("1","2","3","2","9","9","1") = "8"
    & skf18("1","2","3","2","9","10","1") = "9"
    & skf18("1","2","3","2","10","1","1") = "9"
    & skf18("1","2","3","2","10","2","1") = "9"
    & skf18("1","2","3","2","10","3","1") = "9"
    & skf18("1","2","3","2","10","4","1") = "9"
    & skf18("1","2","3","2","10","5","1") = "9"
    & skf18("1","2","3","2","10","6","1") = "9"
    & skf18("1","2","3","2","10","7","1") = "9"
    & skf18("1","2","3","2","10","8","1") = "9"
    & skf18("1","2","3","2","10","9","1") = "9"
    & skf18("1","2","3","2","10","10","1") = "9"
    & skf18("1","2","3","3","1","1","1") = "2"
    & skf18("1","2","3","3","1","2","1") = "2"
    & skf18("1","2","3","3","1","3","1") = "2"
    & skf18("1","2","3","3","1","4","1") = "3"
    & skf18("1","2","3","3","1","5","1") = "4"
    & skf18("1","2","3","3","1","6","1") = "5"
    & skf18("1","2","3","3","1","7","1") = "6"
    & skf18("1","2","3","3","1","8","1") = "7"
    & skf18("1","2","3","3","1","9","1") = "8"
    & skf18("1","2","3","3","1","10","1") = "9"
    & skf18("1","2","3","3","2","1","1") = "2"
    & skf18("1","2","3","3","2","2","1") = "2"
    & skf18("1","2","3","3","2","3","1") = "2"
    & skf18("1","2","3","3","2","4","1") = "3"
    & skf18("1","2","3","3","2","5","1") = "4"
    & skf18("1","2","3","3","2","6","1") = "5"
    & skf18("1","2","3","3","2","7","1") = "6"
    & skf18("1","2","3","3","2","8","1") = "7"
    & skf18("1","2","3","3","2","9","1") = "8"
    & skf18("1","2","3","3","2","10","1") = "9"
    & skf18("1","2","3","3","3","1","1") = "2"
    & skf18("1","2","3","3","3","2","1") = "2"
    & skf18("1","2","3","3","3","3","1") = "2"
    & skf18("1","2","3","3","3","4","1") = "3"
    & skf18("1","2","3","3","3","5","1") = "4"
    & skf18("1","2","3","3","3","6","1") = "5"
    & skf18("1","2","3","3","3","7","1") = "6"
    & skf18("1","2","3","3","3","8","1") = "7"
    & skf18("1","2","3","3","3","9","1") = "8"
    & skf18("1","2","3","3","3","10","1") = "9"
    & skf18("1","2","3","3","4","1","1") = "3"
    & skf18("1","2","3","3","4","2","1") = "3"
    & skf18("1","2","3","3","4","3","1") = "3"
    & skf18("1","2","3","3","4","4","1") = "3"
    & skf18("1","2","3","3","4","5","1") = "4"
    & skf18("1","2","3","3","4","6","1") = "5"
    & skf18("1","2","3","3","4","7","1") = "6"
    & skf18("1","2","3","3","4","8","1") = "7"
    & skf18("1","2","3","3","4","9","1") = "8"
    & skf18("1","2","3","3","4","10","1") = "9"
    & skf18("1","2","3","3","5","1","1") = "4"
    & skf18("1","2","3","3","5","2","1") = "4"
    & skf18("1","2","3","3","5","3","1") = "4"
    & skf18("1","2","3","3","5","4","1") = "4"
    & skf18("1","2","3","3","5","5","1") = "4"
    & skf18("1","2","3","3","5","6","1") = "5"
    & skf18("1","2","3","3","5","7","1") = "6"
    & skf18("1","2","3","3","5","8","1") = "7"
    & skf18("1","2","3","3","5","9","1") = "8"
    & skf18("1","2","3","3","5","10","1") = "9"
    & skf18("1","2","3","3","6","1","1") = "5"
    & skf18("1","2","3","3","6","2","1") = "5"
    & skf18("1","2","3","3","6","3","1") = "5"
    & skf18("1","2","3","3","6","4","1") = "5"
    & skf18("1","2","3","3","6","5","1") = "5"
    & skf18("1","2","3","3","6","6","1") = "5"
    & skf18("1","2","3","3","6","7","1") = "6"
    & skf18("1","2","3","3","6","8","1") = "7"
    & skf18("1","2","3","3","6","9","1") = "8"
    & skf18("1","2","3","3","6","10","1") = "9"
    & skf18("1","2","3","3","7","1","1") = "6"
    & skf18("1","2","3","3","7","2","1") = "6"
    & skf18("1","2","3","3","7","3","1") = "6"
    & skf18("1","2","3","3","7","4","1") = "6"
    & skf18("1","2","3","3","7","5","1") = "6"
    & skf18("1","2","3","3","7","6","1") = "6"
    & skf18("1","2","3","3","7","7","1") = "6"
    & skf18("1","2","3","3","7","8","1") = "7"
    & skf18("1","2","3","3","7","9","1") = "8"
    & skf18("1","2","3","3","7","10","1") = "9"
    & skf18("1","2","3","3","8","1","1") = "7"
    & skf18("1","2","3","3","8","2","1") = "7"
    & skf18("1","2","3","3","8","3","1") = "7"
    & skf18("1","2","3","3","8","4","1") = "7"
    & skf18("1","2","3","3","8","5","1") = "7"
    & skf18("1","2","3","3","8","6","1") = "7"
    & skf18("1","2","3","3","8","7","1") = "7"
    & skf18("1","2","3","3","8","8","1") = "7"
    & skf18("1","2","3","3","8","9","1") = "8"
    & skf18("1","2","3","3","8","10","1") = "9"
    & skf18("1","2","3","3","9","1","1") = "8"
    & skf18("1","2","3","3","9","2","1") = "8"
    & skf18("1","2","3","3","9","3","1") = "8"
    & skf18("1","2","3","3","9","4","1") = "8"
    & skf18("1","2","3","3","9","5","1") = "8"
    & skf18("1","2","3","3","9","6","1") = "8"
    & skf18("1","2","3","3","9","7","1") = "8"
    & skf18("1","2","3","3","9","8","1") = "8"
    & skf18("1","2","3","3","9","9","1") = "8"
    & skf18("1","2","3","3","9","10","1") = "9"
    & skf18("1","2","3","3","10","1","1") = "9"
    & skf18("1","2","3","3","10","2","1") = "9"
    & skf18("1","2","3","3","10","3","1") = "9"
    & skf18("1","2","3","3","10","4","1") = "9"
    & skf18("1","2","3","3","10","5","1") = "9"
    & skf18("1","2","3","3","10","6","1") = "9"
    & skf18("1","2","3","3","10","7","1") = "9"
    & skf18("1","2","3","3","10","8","1") = "9"
    & skf18("1","2","3","3","10","9","1") = "9"
    & skf18("1","2","3","3","10","10","1") = "9"
    & skf18("1","2","3","4","1","1","1") = "3"
    & skf18("1","2","3","4","1","2","1") = "3"
    & skf18("1","2","3","4","1","3","1") = "3"
    & skf18("1","2","3","4","1","4","1") = "3"
    & skf18("1","2","3","4","1","5","1") = "4"
    & skf18("1","2","3","4","1","6","1") = "5"
    & skf18("1","2","3","4","1","7","1") = "6"
    & skf18("1","2","3","4","1","8","1") = "7"
    & skf18("1","2","3","4","1","9","1") = "8"
    & skf18("1","2","3","4","1","10","1") = "9"
    & skf18("1","2","3","4","2","1","1") = "3"
    & skf18("1","2","3","4","2","2","1") = "3"
    & skf18("1","2","3","4","2","3","1") = "3"
    & skf18("1","2","3","4","2","4","1") = "3"
    & skf18("1","2","3","4","2","5","1") = "4"
    & skf18("1","2","3","4","2","6","1") = "5"
    & skf18("1","2","3","4","2","7","1") = "6"
    & skf18("1","2","3","4","2","8","1") = "7"
    & skf18("1","2","3","4","2","9","1") = "8"
    & skf18("1","2","3","4","2","10","1") = "9"
    & skf18("1","2","3","4","3","1","1") = "3"
    & skf18("1","2","3","4","3","2","1") = "3"
    & skf18("1","2","3","4","3","3","1") = "3"
    & skf18("1","2","3","4","3","4","1") = "3"
    & skf18("1","2","3","4","3","5","1") = "4"
    & skf18("1","2","3","4","3","6","1") = "5"
    & skf18("1","2","3","4","3","7","1") = "6"
    & skf18("1","2","3","4","3","8","1") = "7"
    & skf18("1","2","3","4","3","9","1") = "8"
    & skf18("1","2","3","4","3","10","1") = "9"
    & skf18("1","2","3","4","4","1","1") = "3"
    & skf18("1","2","3","4","4","2","1") = "3"
    & skf18("1","2","3","4","4","3","1") = "3"
    & skf18("1","2","3","4","4","4","1") = "3"
    & skf18("1","2","3","4","4","5","1") = "4"
    & skf18("1","2","3","4","4","6","1") = "5"
    & skf18("1","2","3","4","4","7","1") = "6"
    & skf18("1","2","3","4","4","8","1") = "7"
    & skf18("1","2","3","4","4","9","1") = "8"
    & skf18("1","2","3","4","4","10","1") = "9"
    & skf18("1","2","3","4","5","1","1") = "4"
    & skf18("1","2","3","4","5","2","1") = "4"
    & skf18("1","2","3","4","5","3","1") = "4"
    & skf18("1","2","3","4","5","4","1") = "4"
    & skf18("1","2","3","4","5","5","1") = "4"
    & skf18("1","2","3","4","5","6","1") = "5"
    & skf18("1","2","3","4","5","7","1") = "6"
    & skf18("1","2","3","4","5","8","1") = "7"
    & skf18("1","2","3","4","5","9","1") = "8"
    & skf18("1","2","3","4","5","10","1") = "9"
    & skf18("1","2","3","4","6","1","1") = "5"
    & skf18("1","2","3","4","6","2","1") = "5"
    & skf18("1","2","3","4","6","3","1") = "5"
    & skf18("1","2","3","4","6","4","1") = "5"
    & skf18("1","2","3","4","6","5","1") = "5"
    & skf18("1","2","3","4","6","6","1") = "5"
    & skf18("1","2","3","4","6","7","1") = "6"
    & skf18("1","2","3","4","6","8","1") = "7"
    & skf18("1","2","3","4","6","9","1") = "8"
    & skf18("1","2","3","4","6","10","1") = "9"
    & skf18("1","2","3","4","7","1","1") = "6"
    & skf18("1","2","3","4","7","2","1") = "6"
    & skf18("1","2","3","4","7","3","1") = "6"
    & skf18("1","2","3","4","7","4","1") = "6"
    & skf18("1","2","3","4","7","5","1") = "6"
    & skf18("1","2","3","4","7","6","1") = "6"
    & skf18("1","2","3","4","7","7","1") = "6"
    & skf18("1","2","3","4","7","8","1") = "7"
    & skf18("1","2","3","4","7","9","1") = "8"
    & skf18("1","2","3","4","7","10","1") = "9"
    & skf18("1","2","3","4","8","1","1") = "7"
    & skf18("1","2","3","4","8","2","1") = "7"
    & skf18("1","2","3","4","8","3","1") = "7"
    & skf18("1","2","3","4","8","4","1") = "7"
    & skf18("1","2","3","4","8","5","1") = "7"
    & skf18("1","2","3","4","8","6","1") = "7"
    & skf18("1","2","3","4","8","7","1") = "7"
    & skf18("1","2","3","4","8","8","1") = "7"
    & skf18("1","2","3","4","8","9","1") = "8"
    & skf18("1","2","3","4","8","10","1") = "9"
    & skf18("1","2","3","4","9","1","1") = "8"
    & skf18("1","2","3","4","9","2","1") = "8"
    & skf18("1","2","3","4","9","3","1") = "8"
    & skf18("1","2","3","4","9","4","1") = "8"
    & skf18("1","2","3","4","9","5","1") = "8"
    & skf18("1","2","3","4","9","6","1") = "8"
    & skf18("1","2","3","4","9","7","1") = "8"
    & skf18("1","2","3","4","9","8","1") = "8"
    & skf18("1","2","3","4","9","9","1") = "8"
    & skf18("1","2","3","4","9","10","1") = "9"
    & skf18("1","2","3","4","10","1","1") = "9"
    & skf18("1","2","3","4","10","2","1") = "9"
    & skf18("1","2","3","4","10","3","1") = "9"
    & skf18("1","2","3","4","10","4","1") = "9"
    & skf18("1","2","3","4","10","5","1") = "9"
    & skf18("1","2","3","4","10","6","1") = "9"
    & skf18("1","2","3","4","10","7","1") = "9"
    & skf18("1","2","3","4","10","8","1") = "9"
    & skf18("1","2","3","4","10","9","1") = "9"
    & skf18("1","2","3","4","10","10","1") = "9"
    & skf18("1","2","3","5","1","1","1") = "4"
    & skf18("1","2","3","5","1","2","1") = "4"
    & skf18("1","2","3","5","1","3","1") = "4"
    & skf18("1","2","3","5","1","4","1") = "4"
    & skf18("1","2","3","5","1","5","1") = "4"
    & skf18("1","2","3","5","1","6","1") = "5"
    & skf18("1","2","3","5","1","7","1") = "6"
    & skf18("1","2","3","5","1","8","1") = "7"
    & skf18("1","2","3","5","1","9","1") = "8"
    & skf18("1","2","3","5","1","10","1") = "9"
    & skf18("1","2","3","5","2","1","1") = "4"
    & skf18("1","2","3","5","2","2","1") = "4"
    & skf18("1","2","3","5","2","3","1") = "4"
    & skf18("1","2","3","5","2","4","1") = "4"
    & skf18("1","2","3","5","2","5","1") = "4"
    & skf18("1","2","3","5","2","6","1") = "5"
    & skf18("1","2","3","5","2","7","1") = "6"
    & skf18("1","2","3","5","2","8","1") = "7"
    & skf18("1","2","3","5","2","9","1") = "8"
    & skf18("1","2","3","5","2","10","1") = "9"
    & skf18("1","2","3","5","3","1","1") = "4"
    & skf18("1","2","3","5","3","2","1") = "4"
    & skf18("1","2","3","5","3","3","1") = "4"
    & skf18("1","2","3","5","3","4","1") = "4"
    & skf18("1","2","3","5","3","5","1") = "4"
    & skf18("1","2","3","5","3","6","1") = "5"
    & skf18("1","2","3","5","3","7","1") = "6"
    & skf18("1","2","3","5","3","8","1") = "7"
    & skf18("1","2","3","5","3","9","1") = "8"
    & skf18("1","2","3","5","3","10","1") = "9"
    & skf18("1","2","3","5","4","1","1") = "4"
    & skf18("1","2","3","5","4","2","1") = "4"
    & skf18("1","2","3","5","4","3","1") = "4"
    & skf18("1","2","3","5","4","4","1") = "4"
    & skf18("1","2","3","5","4","5","1") = "4"
    & skf18("1","2","3","5","4","6","1") = "5"
    & skf18("1","2","3","5","4","7","1") = "6"
    & skf18("1","2","3","5","4","8","1") = "7"
    & skf18("1","2","3","5","4","9","1") = "8"
    & skf18("1","2","3","5","4","10","1") = "9"
    & skf18("1","2","3","5","5","1","1") = "4"
    & skf18("1","2","3","5","5","2","1") = "4"
    & skf18("1","2","3","5","5","3","1") = "4"
    & skf18("1","2","3","5","5","4","1") = "4"
    & skf18("1","2","3","5","5","5","1") = "4"
    & skf18("1","2","3","5","5","6","1") = "5"
    & skf18("1","2","3","5","5","7","1") = "6"
    & skf18("1","2","3","5","5","8","1") = "7"
    & skf18("1","2","3","5","5","9","1") = "8"
    & skf18("1","2","3","5","5","10","1") = "9"
    & skf18("1","2","3","5","6","1","1") = "5"
    & skf18("1","2","3","5","6","2","1") = "5"
    & skf18("1","2","3","5","6","3","1") = "5"
    & skf18("1","2","3","5","6","4","1") = "5"
    & skf18("1","2","3","5","6","5","1") = "5"
    & skf18("1","2","3","5","6","6","1") = "5"
    & skf18("1","2","3","5","6","7","1") = "6"
    & skf18("1","2","3","5","6","8","1") = "7"
    & skf18("1","2","3","5","6","9","1") = "8"
    & skf18("1","2","3","5","6","10","1") = "9"
    & skf18("1","2","3","5","7","1","1") = "6"
    & skf18("1","2","3","5","7","2","1") = "6"
    & skf18("1","2","3","5","7","3","1") = "6"
    & skf18("1","2","3","5","7","4","1") = "6"
    & skf18("1","2","3","5","7","5","1") = "6"
    & skf18("1","2","3","5","7","6","1") = "6"
    & skf18("1","2","3","5","7","7","1") = "6"
    & skf18("1","2","3","5","7","8","1") = "7"
    & skf18("1","2","3","5","7","9","1") = "8"
    & skf18("1","2","3","5","7","10","1") = "9"
    & skf18("1","2","3","5","8","1","1") = "7"
    & skf18("1","2","3","5","8","2","1") = "7"
    & skf18("1","2","3","5","8","3","1") = "7"
    & skf18("1","2","3","5","8","4","1") = "7"
    & skf18("1","2","3","5","8","5","1") = "7"
    & skf18("1","2","3","5","8","6","1") = "7"
    & skf18("1","2","3","5","8","7","1") = "7"
    & skf18("1","2","3","5","8","8","1") = "7"
    & skf18("1","2","3","5","8","9","1") = "8"
    & skf18("1","2","3","5","8","10","1") = "9"
    & skf18("1","2","3","5","9","1","1") = "8"
    & skf18("1","2","3","5","9","2","1") = "8"
    & skf18("1","2","3","5","9","3","1") = "8"
    & skf18("1","2","3","5","9","4","1") = "8"
    & skf18("1","2","3","5","9","5","1") = "8"
    & skf18("1","2","3","5","9","6","1") = "8"
    & skf18("1","2","3","5","9","7","1") = "8"
    & skf18("1","2","3","5","9","8","1") = "8"
    & skf18("1","2","3","5","9","9","1") = "8"
    & skf18("1","2","3","5","9","10","1") = "9"
    & skf18("1","2","3","5","10","1","1") = "9"
    & skf18("1","2","3","5","10","2","1") = "9"
    & skf18("1","2","3","5","10","3","1") = "9"
    & skf18("1","2","3","5","10","4","1") = "9"
    & skf18("1","2","3","5","10","5","1") = "9"
    & skf18("1","2","3","5","10","6","1") = "9"
    & skf18("1","2","3","5","10","7","1") = "9"
    & skf18("1","2","3","5","10","8","1") = "9"
    & skf18("1","2","3","5","10","9","1") = "9"
    & skf18("1","2","3","5","10","10","1") = "9"
    & skf18("1","2","3","6","1","1","1") = "5"
    & skf18("1","2","3","6","1","2","1") = "5"
    & skf18("1","2","3","6","1","3","1") = "5"
    & skf18("1","2","3","6","1","4","1") = "5"
    & skf18("1","2","3","6","1","5","1") = "5"
    & skf18("1","2","3","6","1","6","1") = "5"
    & skf18("1","2","3","6","1","7","1") = "6"
    & skf18("1","2","3","6","1","8","1") = "7"
    & skf18("1","2","3","6","1","9","1") = "8"
    & skf18("1","2","3","6","1","10","1") = "9"
    & skf18("1","2","3","6","2","1","1") = "5"
    & skf18("1","2","3","6","2","2","1") = "5"
    & skf18("1","2","3","6","2","3","1") = "5"
    & skf18("1","2","3","6","2","4","1") = "5"
    & skf18("1","2","3","6","2","5","1") = "5"
    & skf18("1","2","3","6","2","6","1") = "5"
    & skf18("1","2","3","6","2","7","1") = "6"
    & skf18("1","2","3","6","2","8","1") = "7"
    & skf18("1","2","3","6","2","9","1") = "8"
    & skf18("1","2","3","6","2","10","1") = "9"
    & skf18("1","2","3","6","3","1","1") = "5"
    & skf18("1","2","3","6","3","2","1") = "5"
    & skf18("1","2","3","6","3","3","1") = "5"
    & skf18("1","2","3","6","3","4","1") = "5"
    & skf18("1","2","3","6","3","5","1") = "5"
    & skf18("1","2","3","6","3","6","1") = "5"
    & skf18("1","2","3","6","3","7","1") = "6"
    & skf18("1","2","3","6","3","8","1") = "7"
    & skf18("1","2","3","6","3","9","1") = "8"
    & skf18("1","2","3","6","3","10","1") = "9"
    & skf18("1","2","3","6","4","1","1") = "5"
    & skf18("1","2","3","6","4","2","1") = "5"
    & skf18("1","2","3","6","4","3","1") = "5"
    & skf18("1","2","3","6","4","4","1") = "5"
    & skf18("1","2","3","6","4","5","1") = "5"
    & skf18("1","2","3","6","4","6","1") = "5"
    & skf18("1","2","3","6","4","7","1") = "6"
    & skf18("1","2","3","6","4","8","1") = "7"
    & skf18("1","2","3","6","4","9","1") = "8"
    & skf18("1","2","3","6","4","10","1") = "9"
    & skf18("1","2","3","6","5","1","1") = "5"
    & skf18("1","2","3","6","5","2","1") = "5"
    & skf18("1","2","3","6","5","3","1") = "5"
    & skf18("1","2","3","6","5","4","1") = "5"
    & skf18("1","2","3","6","5","5","1") = "5"
    & skf18("1","2","3","6","5","6","1") = "5"
    & skf18("1","2","3","6","5","7","1") = "6"
    & skf18("1","2","3","6","5","8","1") = "7"
    & skf18("1","2","3","6","5","9","1") = "8"
    & skf18("1","2","3","6","5","10","1") = "9"
    & skf18("1","2","3","6","6","1","1") = "5"
    & skf18("1","2","3","6","6","2","1") = "5"
    & skf18("1","2","3","6","6","3","1") = "5"
    & skf18("1","2","3","6","6","4","1") = "5"
    & skf18("1","2","3","6","6","5","1") = "5"
    & skf18("1","2","3","6","6","6","1") = "5"
    & skf18("1","2","3","6","6","7","1") = "6"
    & skf18("1","2","3","6","6","8","1") = "7"
    & skf18("1","2","3","6","6","9","1") = "8"
    & skf18("1","2","3","6","6","10","1") = "9"
    & skf18("1","2","3","6","7","1","1") = "6"
    & skf18("1","2","3","6","7","2","1") = "6"
    & skf18("1","2","3","6","7","3","1") = "6"
    & skf18("1","2","3","6","7","4","1") = "6"
    & skf18("1","2","3","6","7","5","1") = "6"
    & skf18("1","2","3","6","7","6","1") = "6"
    & skf18("1","2","3","6","7","7","1") = "6"
    & skf18("1","2","3","6","7","8","1") = "7"
    & skf18("1","2","3","6","7","9","1") = "8"
    & skf18("1","2","3","6","7","10","1") = "9"
    & skf18("1","2","3","6","8","1","1") = "7"
    & skf18("1","2","3","6","8","2","1") = "7"
    & skf18("1","2","3","6","8","3","1") = "7"
    & skf18("1","2","3","6","8","4","1") = "7"
    & skf18("1","2","3","6","8","5","1") = "7"
    & skf18("1","2","3","6","8","6","1") = "7"
    & skf18("1","2","3","6","8","7","1") = "7"
    & skf18("1","2","3","6","8","8","1") = "7"
    & skf18("1","2","3","6","8","9","1") = "8"
    & skf18("1","2","3","6","8","10","1") = "9"
    & skf18("1","2","3","6","9","1","1") = "8"
    & skf18("1","2","3","6","9","2","1") = "8"
    & skf18("1","2","3","6","9","3","1") = "8"
    & skf18("1","2","3","6","9","4","1") = "8"
    & skf18("1","2","3","6","9","5","1") = "8"
    & skf18("1","2","3","6","9","6","1") = "8"
    & skf18("1","2","3","6","9","7","1") = "8"
    & skf18("1","2","3","6","9","8","1") = "8"
    & skf18("1","2","3","6","9","9","1") = "8"
    & skf18("1","2","3","6","9","10","1") = "9"
    & skf18("1","2","3","6","10","1","1") = "9"
    & skf18("1","2","3","6","10","2","1") = "9"
    & skf18("1","2","3","6","10","3","1") = "9"
    & skf18("1","2","3","6","10","4","1") = "9"
    & skf18("1","2","3","6","10","5","1") = "9"
    & skf18("1","2","3","6","10","6","1") = "9"
    & skf18("1","2","3","6","10","7","1") = "9"
    & skf18("1","2","3","6","10","8","1") = "9"
    & skf18("1","2","3","6","10","9","1") = "9"
    & skf18("1","2","3","6","10","10","1") = "9"
    & skf18("1","2","3","7","1","1","1") = "6"
    & skf18("1","2","3","7","1","2","1") = "6"
    & skf18("1","2","3","7","1","3","1") = "6"
    & skf18("1","2","3","7","1","4","1") = "6"
    & skf18("1","2","3","7","1","5","1") = "6"
    & skf18("1","2","3","7","1","6","1") = "6"
    & skf18("1","2","3","7","1","7","1") = "6"
    & skf18("1","2","3","7","1","8","1") = "7"
    & skf18("1","2","3","7","1","9","1") = "8"
    & skf18("1","2","3","7","1","10","1") = "9"
    & skf18("1","2","3","7","2","1","1") = "6"
    & skf18("1","2","3","7","2","2","1") = "6"
    & skf18("1","2","3","7","2","3","1") = "6"
    & skf18("1","2","3","7","2","4","1") = "6"
    & skf18("1","2","3","7","2","5","1") = "6"
    & skf18("1","2","3","7","2","6","1") = "6"
    & skf18("1","2","3","7","2","7","1") = "6"
    & skf18("1","2","3","7","2","8","1") = "7"
    & skf18("1","2","3","7","2","9","1") = "8"
    & skf18("1","2","3","7","2","10","1") = "9"
    & skf18("1","2","3","7","3","1","1") = "6"
    & skf18("1","2","3","7","3","2","1") = "6"
    & skf18("1","2","3","7","3","3","1") = "6"
    & skf18("1","2","3","7","3","4","1") = "6"
    & skf18("1","2","3","7","3","5","1") = "6"
    & skf18("1","2","3","7","3","6","1") = "6"
    & skf18("1","2","3","7","3","7","1") = "6"
    & skf18("1","2","3","7","3","8","1") = "7"
    & skf18("1","2","3","7","3","9","1") = "8"
    & skf18("1","2","3","7","3","10","1") = "9"
    & skf18("1","2","3","7","4","1","1") = "6"
    & skf18("1","2","3","7","4","2","1") = "6"
    & skf18("1","2","3","7","4","3","1") = "6"
    & skf18("1","2","3","7","4","4","1") = "6"
    & skf18("1","2","3","7","4","5","1") = "6"
    & skf18("1","2","3","7","4","6","1") = "6"
    & skf18("1","2","3","7","4","7","1") = "6"
    & skf18("1","2","3","7","4","8","1") = "7"
    & skf18("1","2","3","7","4","9","1") = "8"
    & skf18("1","2","3","7","4","10","1") = "9"
    & skf18("1","2","3","7","5","1","1") = "6"
    & skf18("1","2","3","7","5","2","1") = "6"
    & skf18("1","2","3","7","5","3","1") = "6"
    & skf18("1","2","3","7","5","4","1") = "6"
    & skf18("1","2","3","7","5","5","1") = "6"
    & skf18("1","2","3","7","5","6","1") = "6"
    & skf18("1","2","3","7","5","7","1") = "6"
    & skf18("1","2","3","7","5","8","1") = "7"
    & skf18("1","2","3","7","5","9","1") = "8"
    & skf18("1","2","3","7","5","10","1") = "9"
    & skf18("1","2","3","7","6","1","1") = "6"
    & skf18("1","2","3","7","6","2","1") = "6"
    & skf18("1","2","3","7","6","3","1") = "6"
    & skf18("1","2","3","7","6","4","1") = "6"
    & skf18("1","2","3","7","6","5","1") = "6"
    & skf18("1","2","3","7","6","6","1") = "6"
    & skf18("1","2","3","7","6","7","1") = "6"
    & skf18("1","2","3","7","6","8","1") = "7"
    & skf18("1","2","3","7","6","9","1") = "8"
    & skf18("1","2","3","7","6","10","1") = "9"
    & skf18("1","2","3","7","7","1","1") = "6"
    & skf18("1","2","3","7","7","2","1") = "6"
    & skf18("1","2","3","7","7","3","1") = "6"
    & skf18("1","2","3","7","7","4","1") = "6"
    & skf18("1","2","3","7","7","5","1") = "6"
    & skf18("1","2","3","7","7","6","1") = "6"
    & skf18("1","2","3","7","7","7","1") = "6"
    & skf18("1","2","3","7","7","8","1") = "7"
    & skf18("1","2","3","7","7","9","1") = "8"
    & skf18("1","2","3","7","7","10","1") = "9"
    & skf18("1","2","3","7","8","1","1") = "7"
    & skf18("1","2","3","7","8","2","1") = "7"
    & skf18("1","2","3","7","8","3","1") = "7"
    & skf18("1","2","3","7","8","4","1") = "7"
    & skf18("1","2","3","7","8","5","1") = "7"
    & skf18("1","2","3","7","8","6","1") = "7"
    & skf18("1","2","3","7","8","7","1") = "7"
    & skf18("1","2","3","7","8","8","1") = "7"
    & skf18("1","2","3","7","8","9","1") = "8"
    & skf18("1","2","3","7","8","10","1") = "9"
    & skf18("1","2","3","7","9","1","1") = "8"
    & skf18("1","2","3","7","9","2","1") = "8"
    & skf18("1","2","3","7","9","3","1") = "8"
    & skf18("1","2","3","7","9","4","1") = "8"
    & skf18("1","2","3","7","9","5","1") = "8"
    & skf18("1","2","3","7","9","6","1") = "8"
    & skf18("1","2","3","7","9","7","1") = "8"
    & skf18("1","2","3","7","9","8","1") = "8"
    & skf18("1","2","3","7","9","9","1") = "8"
    & skf18("1","2","3","7","9","10","1") = "9"
    & skf18("1","2","3","7","10","1","1") = "9"
    & skf18("1","2","3","7","10","2","1") = "9"
    & skf18("1","2","3","7","10","3","1") = "9"
    & skf18("1","2","3","7","10","4","1") = "9"
    & skf18("1","2","3","7","10","5","1") = "9"
    & skf18("1","2","3","7","10","6","1") = "9"
    & skf18("1","2","3","7","10","7","1") = "9"
    & skf18("1","2","3","7","10","8","1") = "9"
    & skf18("1","2","3","7","10","9","1") = "9"
    & skf18("1","2","3","7","10","10","1") = "9"
    & skf18("1","2","3","8","1","1","1") = "7"
    & skf18("1","2","3","8","1","2","1") = "7"
    & skf18("1","2","3","8","1","3","1") = "7"
    & skf18("1","2","3","8","1","4","1") = "7"
    & skf18("1","2","3","8","1","5","1") = "7"
    & skf18("1","2","3","8","1","6","1") = "7"
    & skf18("1","2","3","8","1","7","1") = "7"
    & skf18("1","2","3","8","1","8","1") = "7"
    & skf18("1","2","3","8","1","9","1") = "8"
    & skf18("1","2","3","8","1","10","1") = "9"
    & skf18("1","2","3","8","2","1","1") = "7"
    & skf18("1","2","3","8","2","2","1") = "7"
    & skf18("1","2","3","8","2","3","1") = "7"
    & skf18("1","2","3","8","2","4","1") = "7"
    & skf18("1","2","3","8","2","5","1") = "7"
    & skf18("1","2","3","8","2","6","1") = "7"
    & skf18("1","2","3","8","2","7","1") = "7"
    & skf18("1","2","3","8","2","8","1") = "7"
    & skf18("1","2","3","8","2","9","1") = "8"
    & skf18("1","2","3","8","2","10","1") = "9"
    & skf18("1","2","3","8","3","1","1") = "7"
    & skf18("1","2","3","8","3","2","1") = "7"
    & skf18("1","2","3","8","3","3","1") = "7"
    & skf18("1","2","3","8","3","4","1") = "7"
    & skf18("1","2","3","8","3","5","1") = "7"
    & skf18("1","2","3","8","3","6","1") = "7"
    & skf18("1","2","3","8","3","7","1") = "7"
    & skf18("1","2","3","8","3","8","1") = "7"
    & skf18("1","2","3","8","3","9","1") = "8"
    & skf18("1","2","3","8","3","10","1") = "9"
    & skf18("1","2","3","8","4","1","1") = "7"
    & skf18("1","2","3","8","4","2","1") = "7"
    & skf18("1","2","3","8","4","3","1") = "7"
    & skf18("1","2","3","8","4","4","1") = "7"
    & skf18("1","2","3","8","4","5","1") = "7"
    & skf18("1","2","3","8","4","6","1") = "7"
    & skf18("1","2","3","8","4","7","1") = "7"
    & skf18("1","2","3","8","4","8","1") = "7"
    & skf18("1","2","3","8","4","9","1") = "8"
    & skf18("1","2","3","8","4","10","1") = "9"
    & skf18("1","2","3","8","5","1","1") = "7"
    & skf18("1","2","3","8","5","2","1") = "7"
    & skf18("1","2","3","8","5","3","1") = "7"
    & skf18("1","2","3","8","5","4","1") = "7"
    & skf18("1","2","3","8","5","5","1") = "7"
    & skf18("1","2","3","8","5","6","1") = "7"
    & skf18("1","2","3","8","5","7","1") = "7"
    & skf18("1","2","3","8","5","8","1") = "7"
    & skf18("1","2","3","8","5","9","1") = "8"
    & skf18("1","2","3","8","5","10","1") = "9"
    & skf18("1","2","3","8","6","1","1") = "7"
    & skf18("1","2","3","8","6","2","1") = "7"
    & skf18("1","2","3","8","6","3","1") = "7"
    & skf18("1","2","3","8","6","4","1") = "7"
    & skf18("1","2","3","8","6","5","1") = "7"
    & skf18("1","2","3","8","6","6","1") = "7"
    & skf18("1","2","3","8","6","7","1") = "7"
    & skf18("1","2","3","8","6","8","1") = "7"
    & skf18("1","2","3","8","6","9","1") = "8"
    & skf18("1","2","3","8","6","10","1") = "9"
    & skf18("1","2","3","8","7","1","1") = "7"
    & skf18("1","2","3","8","7","2","1") = "7"
    & skf18("1","2","3","8","7","3","1") = "7"
    & skf18("1","2","3","8","7","4","1") = "7"
    & skf18("1","2","3","8","7","5","1") = "7"
    & skf18("1","2","3","8","7","6","1") = "7"
    & skf18("1","2","3","8","7","7","1") = "7"
    & skf18("1","2","3","8","7","8","1") = "7"
    & skf18("1","2","3","8","7","9","1") = "8"
    & skf18("1","2","3","8","7","10","1") = "9"
    & skf18("1","2","3","8","8","1","1") = "7"
    & skf18("1","2","3","8","8","2","1") = "7"
    & skf18("1","2","3","8","8","3","1") = "7"
    & skf18("1","2","3","8","8","4","1") = "7"
    & skf18("1","2","3","8","8","5","1") = "7"
    & skf18("1","2","3","8","8","6","1") = "7"
    & skf18("1","2","3","8","8","7","1") = "7"
    & skf18("1","2","3","8","8","8","1") = "7"
    & skf18("1","2","3","8","8","9","1") = "8"
    & skf18("1","2","3","8","8","10","1") = "9"
    & skf18("1","2","3","8","9","1","1") = "8"
    & skf18("1","2","3","8","9","2","1") = "8"
    & skf18("1","2","3","8","9","3","1") = "8"
    & skf18("1","2","3","8","9","4","1") = "8"
    & skf18("1","2","3","8","9","5","1") = "8"
    & skf18("1","2","3","8","9","6","1") = "8"
    & skf18("1","2","3","8","9","7","1") = "8"
    & skf18("1","2","3","8","9","8","1") = "8"
    & skf18("1","2","3","8","9","9","1") = "8"
    & skf18("1","2","3","8","9","10","1") = "9"
    & skf18("1","2","3","8","10","1","1") = "9"
    & skf18("1","2","3","8","10","2","1") = "9"
    & skf18("1","2","3","8","10","3","1") = "9"
    & skf18("1","2","3","8","10","4","1") = "9"
    & skf18("1","2","3","8","10","5","1") = "9"
    & skf18("1","2","3","8","10","6","1") = "9"
    & skf18("1","2","3","8","10","7","1") = "9"
    & skf18("1","2","3","8","10","8","1") = "9"
    & skf18("1","2","3","8","10","9","1") = "9"
    & skf18("1","2","3","8","10","10","1") = "9"
    & skf18("1","2","3","9","1","1","1") = "8"
    & skf18("1","2","3","9","1","2","1") = "8"
    & skf18("1","2","3","9","1","3","1") = "8"
    & skf18("1","2","3","9","1","4","1") = "8"
    & skf18("1","2","3","9","1","5","1") = "8"
    & skf18("1","2","3","9","1","6","1") = "8"
    & skf18("1","2","3","9","1","7","1") = "8"
    & skf18("1","2","3","9","1","8","1") = "8"
    & skf18("1","2","3","9","1","9","1") = "8"
    & skf18("1","2","3","9","1","10","1") = "9"
    & skf18("1","2","3","9","2","1","1") = "8"
    & skf18("1","2","3","9","2","2","1") = "8"
    & skf18("1","2","3","9","2","3","1") = "8"
    & skf18("1","2","3","9","2","4","1") = "8"
    & skf18("1","2","3","9","2","5","1") = "8"
    & skf18("1","2","3","9","2","6","1") = "8"
    & skf18("1","2","3","9","2","7","1") = "8"
    & skf18("1","2","3","9","2","8","1") = "8"
    & skf18("1","2","3","9","2","9","1") = "8"
    & skf18("1","2","3","9","2","10","1") = "9"
    & skf18("1","2","3","9","3","1","1") = "8"
    & skf18("1","2","3","9","3","2","1") = "8"
    & skf18("1","2","3","9","3","3","1") = "8"
    & skf18("1","2","3","9","3","4","1") = "8"
    & skf18("1","2","3","9","3","5","1") = "8"
    & skf18("1","2","3","9","3","6","1") = "8"
    & skf18("1","2","3","9","3","7","1") = "8"
    & skf18("1","2","3","9","3","8","1") = "8"
    & skf18("1","2","3","9","3","9","1") = "8"
    & skf18("1","2","3","9","3","10","1") = "9"
    & skf18("1","2","3","9","4","1","1") = "8"
    & skf18("1","2","3","9","4","2","1") = "8"
    & skf18("1","2","3","9","4","3","1") = "8"
    & skf18("1","2","3","9","4","4","1") = "8"
    & skf18("1","2","3","9","4","5","1") = "8"
    & skf18("1","2","3","9","4","6","1") = "8"
    & skf18("1","2","3","9","4","7","1") = "8"
    & skf18("1","2","3","9","4","8","1") = "8"
    & skf18("1","2","3","9","4","9","1") = "8"
    & skf18("1","2","3","9","4","10","1") = "9"
    & skf18("1","2","3","9","5","1","1") = "8"
    & skf18("1","2","3","9","5","2","1") = "8"
    & skf18("1","2","3","9","5","3","1") = "8"
    & skf18("1","2","3","9","5","4","1") = "8"
    & skf18("1","2","3","9","5","5","1") = "8"
    & skf18("1","2","3","9","5","6","1") = "8"
    & skf18("1","2","3","9","5","7","1") = "8"
    & skf18("1","2","3","9","5","8","1") = "8"
    & skf18("1","2","3","9","5","9","1") = "8"
    & skf18("1","2","3","9","5","10","1") = "9"
    & skf18("1","2","3","9","6","1","1") = "8"
    & skf18("1","2","3","9","6","2","1") = "8"
    & skf18("1","2","3","9","6","3","1") = "8"
    & skf18("1","2","3","9","6","4","1") = "8"
    & skf18("1","2","3","9","6","5","1") = "8"
    & skf18("1","2","3","9","6","6","1") = "8"
    & skf18("1","2","3","9","6","7","1") = "8"
    & skf18("1","2","3","9","6","8","1") = "8"
    & skf18("1","2","3","9","6","9","1") = "8"
    & skf18("1","2","3","9","6","10","1") = "9"
    & skf18("1","2","3","9","7","1","1") = "8"
    & skf18("1","2","3","9","7","2","1") = "8"
    & skf18("1","2","3","9","7","3","1") = "8"
    & skf18("1","2","3","9","7","4","1") = "8"
    & skf18("1","2","3","9","7","5","1") = "8"
    & skf18("1","2","3","9","7","6","1") = "8"
    & skf18("1","2","3","9","7","7","1") = "8"
    & skf18("1","2","3","9","7","8","1") = "8"
    & skf18("1","2","3","9","7","9","1") = "8"
    & skf18("1","2","3","9","7","10","1") = "9"
    & skf18("1","2","3","9","8","1","1") = "8"
    & skf18("1","2","3","9","8","2","1") = "8"
    & skf18("1","2","3","9","8","3","1") = "8"
    & skf18("1","2","3","9","8","4","1") = "8"
    & skf18("1","2","3","9","8","5","1") = "8"
    & skf18("1","2","3","9","8","6","1") = "8"
    & skf18("1","2","3","9","8","7","1") = "8"
    & skf18("1","2","3","9","8","8","1") = "8"
    & skf18("1","2","3","9","8","9","1") = "8"
    & skf18("1","2","3","9","8","10","1") = "9"
    & skf18("1","2","3","9","9","1","1") = "8"
    & skf18("1","2","3","9","9","2","1") = "8"
    & skf18("1","2","3","9","9","3","1") = "8"
    & skf18("1","2","3","9","9","4","1") = "8"
    & skf18("1","2","3","9","9","5","1") = "8"
    & skf18("1","2","3","9","9","6","1") = "8"
    & skf18("1","2","3","9","9","7","1") = "8"
    & skf18("1","2","3","9","9","8","1") = "8"
    & skf18("1","2","3","9","9","9","1") = "8"
    & skf18("1","2","3","9","9","10","1") = "9"
    & skf18("1","2","3","9","10","1","1") = "9"
    & skf18("1","2","3","9","10","2","1") = "9"
    & skf18("1","2","3","9","10","3","1") = "9"
    & skf18("1","2","3","9","10","4","1") = "9"
    & skf18("1","2","3","9","10","5","1") = "9"
    & skf18("1","2","3","9","10","6","1") = "9"
    & skf18("1","2","3","9","10","7","1") = "9"
    & skf18("1","2","3","9","10","8","1") = "9"
    & skf18("1","2","3","9","10","9","1") = "9"
    & skf18("1","2","3","9","10","10","1") = "9"
    & skf18("1","2","3","10","1","1","1") = "9"
    & skf18("1","2","3","10","1","2","1") = "9"
    & skf18("1","2","3","10","1","3","1") = "9"
    & skf18("1","2","3","10","1","4","1") = "9"
    & skf18("1","2","3","10","1","5","1") = "9"
    & skf18("1","2","3","10","1","6","1") = "9"
    & skf18("1","2","3","10","1","7","1") = "9"
    & skf18("1","2","3","10","1","8","1") = "9"
    & skf18("1","2","3","10","1","9","1") = "9"
    & skf18("1","2","3","10","1","10","1") = "9"
    & skf18("1","2","3","10","2","1","1") = "9"
    & skf18("1","2","3","10","2","2","1") = "9"
    & skf18("1","2","3","10","2","3","1") = "9"
    & skf18("1","2","3","10","2","4","1") = "9"
    & skf18("1","2","3","10","2","5","1") = "9"
    & skf18("1","2","3","10","2","6","1") = "9"
    & skf18("1","2","3","10","2","7","1") = "9"
    & skf18("1","2","3","10","2","8","1") = "9"
    & skf18("1","2","3","10","2","9","1") = "9"
    & skf18("1","2","3","10","2","10","1") = "9"
    & skf18("1","2","3","10","3","1","1") = "9"
    & skf18("1","2","3","10","3","2","1") = "9"
    & skf18("1","2","3","10","3","3","1") = "9"
    & skf18("1","2","3","10","3","4","1") = "9"
    & skf18("1","2","3","10","3","5","1") = "9"
    & skf18("1","2","3","10","3","6","1") = "9"
    & skf18("1","2","3","10","3","7","1") = "9"
    & skf18("1","2","3","10","3","8","1") = "9"
    & skf18("1","2","3","10","3","9","1") = "9"
    & skf18("1","2","3","10","3","10","1") = "9"
    & skf18("1","2","3","10","4","1","1") = "9"
    & skf18("1","2","3","10","4","2","1") = "9"
    & skf18("1","2","3","10","4","3","1") = "9"
    & skf18("1","2","3","10","4","4","1") = "9"
    & skf18("1","2","3","10","4","5","1") = "9"
    & skf18("1","2","3","10","4","6","1") = "9"
    & skf18("1","2","3","10","4","7","1") = "9"
    & skf18("1","2","3","10","4","8","1") = "9"
    & skf18("1","2","3","10","4","9","1") = "9"
    & skf18("1","2","3","10","4","10","1") = "9"
    & skf18("1","2","3","10","5","1","1") = "9"
    & skf18("1","2","3","10","5","2","1") = "9"
    & skf18("1","2","3","10","5","3","1") = "9"
    & skf18("1","2","3","10","5","4","1") = "9"
    & skf18("1","2","3","10","5","5","1") = "9"
    & skf18("1","2","3","10","5","6","1") = "9"
    & skf18("1","2","3","10","5","7","1") = "9"
    & skf18("1","2","3","10","5","8","1") = "9"
    & skf18("1","2","3","10","5","9","1") = "9"
    & skf18("1","2","3","10","5","10","1") = "9"
    & skf18("1","2","3","10","6","1","1") = "9"
    & skf18("1","2","3","10","6","2","1") = "9"
    & skf18("1","2","3","10","6","3","1") = "9"
    & skf18("1","2","3","10","6","4","1") = "9"
    & skf18("1","2","3","10","6","5","1") = "9"
    & skf18("1","2","3","10","6","6","1") = "9"
    & skf18("1","2","3","10","6","7","1") = "9"
    & skf18("1","2","3","10","6","8","1") = "9"
    & skf18("1","2","3","10","6","9","1") = "9"
    & skf18("1","2","3","10","6","10","1") = "9"
    & skf18("1","2","3","10","7","1","1") = "9"
    & skf18("1","2","3","10","7","2","1") = "9"
    & skf18("1","2","3","10","7","3","1") = "9"
    & skf18("1","2","3","10","7","4","1") = "9"
    & skf18("1","2","3","10","7","5","1") = "9"
    & skf18("1","2","3","10","7","6","1") = "9"
    & skf18("1","2","3","10","7","7","1") = "9"
    & skf18("1","2","3","10","7","8","1") = "9"
    & skf18("1","2","3","10","7","9","1") = "9"
    & skf18("1","2","3","10","7","10","1") = "9"
    & skf18("1","2","3","10","8","1","1") = "9"
    & skf18("1","2","3","10","8","2","1") = "9"
    & skf18("1","2","3","10","8","3","1") = "9"
    & skf18("1","2","3","10","8","4","1") = "9"
    & skf18("1","2","3","10","8","5","1") = "9"
    & skf18("1","2","3","10","8","6","1") = "9"
    & skf18("1","2","3","10","8","7","1") = "9"
    & skf18("1","2","3","10","8","8","1") = "9"
    & skf18("1","2","3","10","8","9","1") = "9"
    & skf18("1","2","3","10","8","10","1") = "9"
    & skf18("1","2","3","10","9","1","1") = "9"
    & skf18("1","2","3","10","9","2","1") = "9"
    & skf18("1","2","3","10","9","3","1") = "9"
    & skf18("1","2","3","10","9","4","1") = "9"
    & skf18("1","2","3","10","9","5","1") = "9"
    & skf18("1","2","3","10","9","6","1") = "9"
    & skf18("1","2","3","10","9","7","1") = "9"
    & skf18("1","2","3","10","9","8","1") = "9"
    & skf18("1","2","3","10","9","9","1") = "9"
    & skf18("1","2","3","10","9","10","1") = "9"
    & skf18("1","2","3","10","10","1","1") = "9"
    & skf18("1","2","3","10","10","2","1") = "9"
    & skf18("1","2","3","10","10","3","1") = "9"
    & skf18("1","2","3","10","10","4","1") = "9"
    & skf18("1","2","3","10","10","5","1") = "9"
    & skf18("1","2","3","10","10","6","1") = "9"
    & skf18("1","2","3","10","10","7","1") = "9"
    & skf18("1","2","3","10","10","8","1") = "9"
    & skf18("1","2","3","10","10","9","1") = "9"
    & skf18("1","2","3","10","10","10","1") = "9"
    & skf18("1","2","4","1","1","1","1") = "3"
    & skf18("1","2","4","1","1","2","1") = "3"
    & skf18("1","2","4","1","1","3","1") = "3"
    & skf18("1","2","4","1","1","4","1") = "3"
    & skf18("1","2","4","1","1","5","1") = "4"
    & skf18("1","2","4","1","1","6","1") = "5"
    & skf18("1","2","4","1","1","7","1") = "6"
    & skf18("1","2","4","1","1","8","1") = "7"
    & skf18("1","2","4","1","1","9","1") = "8"
    & skf18("1","2","4","1","1","10","1") = "9"
    & skf18("1","2","4","1","2","1","1") = "3"
    & skf18("1","2","4","1","2","2","1") = "3"
    & skf18("1","2","4","1","2","3","1") = "3"
    & skf18("1","2","4","1","2","4","1") = "3"
    & skf18("1","2","4","1","2","5","1") = "4"
    & skf18("1","2","4","1","2","6","1") = "5"
    & skf18("1","2","4","1","2","7","1") = "6"
    & skf18("1","2","4","1","2","8","1") = "7"
    & skf18("1","2","4","1","2","9","1") = "8"
    & skf18("1","2","4","1","2","10","1") = "9"
    & skf18("1","2","4","1","3","1","1") = "3"
    & skf18("1","2","4","1","3","2","1") = "3"
    & skf18("1","2","4","1","3","3","1") = "3"
    & skf18("1","2","4","1","3","4","1") = "3"
    & skf18("1","2","4","1","3","5","1") = "4"
    & skf18("1","2","4","1","3","6","1") = "5"
    & skf18("1","2","4","1","3","7","1") = "6"
    & skf18("1","2","4","1","3","8","1") = "7"
    & skf18("1","2","4","1","3","9","1") = "8"
    & skf18("1","2","4","1","3","10","1") = "9"
    & skf18("1","2","4","1","4","1","1") = "3"
    & skf18("1","2","4","1","4","2","1") = "3"
    & skf18("1","2","4","1","4","3","1") = "3"
    & skf18("1","2","4","1","4","4","1") = "3"
    & skf18("1","2","4","1","4","5","1") = "4"
    & skf18("1","2","4","1","4","6","1") = "5"
    & skf18("1","2","4","1","4","7","1") = "6"
    & skf18("1","2","4","1","4","8","1") = "7"
    & skf18("1","2","4","1","4","9","1") = "8"
    & skf18("1","2","4","1","4","10","1") = "9"
    & skf18("1","2","4","1","5","1","1") = "4"
    & skf18("1","2","4","1","5","2","1") = "4"
    & skf18("1","2","4","1","5","3","1") = "4"
    & skf18("1","2","4","1","5","4","1") = "4"
    & skf18("1","2","4","1","5","5","1") = "4"
    & skf18("1","2","4","1","5","6","1") = "5"
    & skf18("1","2","4","1","5","7","1") = "6"
    & skf18("1","2","4","1","5","8","1") = "7"
    & skf18("1","2","4","1","5","9","1") = "8"
    & skf18("1","2","4","1","5","10","1") = "9"
    & skf18("1","2","4","1","6","1","1") = "5"
    & skf18("1","2","4","1","6","2","1") = "5"
    & skf18("1","2","4","1","6","3","1") = "5"
    & skf18("1","2","4","1","6","4","1") = "5"
    & skf18("1","2","4","1","6","5","1") = "5"
    & skf18("1","2","4","1","6","6","1") = "5"
    & skf18("1","2","4","1","6","7","1") = "6"
    & skf18("1","2","4","1","6","8","1") = "7"
    & skf18("1","2","4","1","6","9","1") = "8"
    & skf18("1","2","4","1","6","10","1") = "9"
    & skf18("1","2","4","1","7","1","1") = "6"
    & skf18("1","2","4","1","7","2","1") = "6"
    & skf18("1","2","4","1","7","3","1") = "6"
    & skf18("1","2","4","1","7","4","1") = "6"
    & skf18("1","2","4","1","7","5","1") = "6"
    & skf18("1","2","4","1","7","6","1") = "6"
    & skf18("1","2","4","1","7","7","1") = "6"
    & skf18("1","2","4","1","7","8","1") = "7"
    & skf18("1","2","4","1","7","9","1") = "8"
    & skf18("1","2","4","1","7","10","1") = "9"
    & skf18("1","2","4","1","8","1","1") = "7"
    & skf18("1","2","4","1","8","2","1") = "7"
    & skf18("1","2","4","1","8","3","1") = "7"
    & skf18("1","2","4","1","8","4","1") = "7"
    & skf18("1","2","4","1","8","5","1") = "7"
    & skf18("1","2","4","1","8","6","1") = "7"
    & skf18("1","2","4","1","8","7","1") = "7"
    & skf18("1","2","4","1","8","8","1") = "7"
    & skf18("1","2","4","1","8","9","1") = "8"
    & skf18("1","2","4","1","8","10","1") = "9"
    & skf18("1","2","4","1","9","1","1") = "8"
    & skf18("1","2","4","1","9","2","1") = "8"
    & skf18("1","2","4","1","9","3","1") = "8"
    & skf18("1","2","4","1","9","4","1") = "8"
    & skf18("1","2","4","1","9","5","1") = "8"
    & skf18("1","2","4","1","9","6","1") = "8"
    & skf18("1","2","4","1","9","7","1") = "8"
    & skf18("1","2","4","1","9","8","1") = "8"
    & skf18("1","2","4","1","9","9","1") = "8"
    & skf18("1","2","4","1","9","10","1") = "9"
    & skf18("1","2","4","1","10","1","1") = "9"
    & skf18("1","2","4","1","10","2","1") = "9"
    & skf18("1","2","4","1","10","3","1") = "9"
    & skf18("1","2","4","1","10","4","1") = "9"
    & skf18("1","2","4","1","10","5","1") = "9"
    & skf18("1","2","4","1","10","6","1") = "9"
    & skf18("1","2","4","1","10","7","1") = "9"
    & skf18("1","2","4","1","10","8","1") = "9"
    & skf18("1","2","4","1","10","9","1") = "9"
    & skf18("1","2","4","1","10","10","1") = "9"
    & skf18("1","2","4","2","1","1","1") = "3"
    & skf18("1","2","4","2","1","2","1") = "3"
    & skf18("1","2","4","2","1","3","1") = "3"
    & skf18("1","2","4","2","1","4","1") = "3"
    & skf18("1","2","4","2","1","5","1") = "4"
    & skf18("1","2","4","2","1","6","1") = "5"
    & skf18("1","2","4","2","1","7","1") = "6"
    & skf18("1","2","4","2","1","8","1") = "7"
    & skf18("1","2","4","2","1","9","1") = "8"
    & skf18("1","2","4","2","1","10","1") = "9"
    & skf18("1","2","4","2","2","1","1") = "3"
    & skf18("1","2","4","2","2","2","1") = "3"
    & skf18("1","2","4","2","2","3","1") = "3"
    & skf18("1","2","4","2","2","4","1") = "3"
    & skf18("1","2","4","2","2","5","1") = "4"
    & skf18("1","2","4","2","2","6","1") = "5"
    & skf18("1","2","4","2","2","7","1") = "6"
    & skf18("1","2","4","2","2","8","1") = "7"
    & skf18("1","2","4","2","2","9","1") = "8"
    & skf18("1","2","4","2","2","10","1") = "9"
    & skf18("1","2","4","2","3","1","1") = "3"
    & skf18("1","2","4","2","3","2","1") = "3"
    & skf18("1","2","4","2","3","3","1") = "3"
    & skf18("1","2","4","2","3","4","1") = "3"
    & skf18("1","2","4","2","3","5","1") = "4"
    & skf18("1","2","4","2","3","6","1") = "5"
    & skf18("1","2","4","2","3","7","1") = "6"
    & skf18("1","2","4","2","3","8","1") = "7"
    & skf18("1","2","4","2","3","9","1") = "8"
    & skf18("1","2","4","2","3","10","1") = "9"
    & skf18("1","2","4","2","4","1","1") = "3"
    & skf18("1","2","4","2","4","2","1") = "3"
    & skf18("1","2","4","2","4","3","1") = "3"
    & skf18("1","2","4","2","4","4","1") = "3"
    & skf18("1","2","4","2","4","5","1") = "4"
    & skf18("1","2","4","2","4","6","1") = "5"
    & skf18("1","2","4","2","4","7","1") = "6"
    & skf18("1","2","4","2","4","8","1") = "7"
    & skf18("1","2","4","2","4","9","1") = "8"
    & skf18("1","2","4","2","4","10","1") = "9"
    & skf18("1","2","4","2","5","1","1") = "4"
    & skf18("1","2","4","2","5","2","1") = "4"
    & skf18("1","2","4","2","5","3","1") = "4"
    & skf18("1","2","4","2","5","4","1") = "4"
    & skf18("1","2","4","2","5","5","1") = "4"
    & skf18("1","2","4","2","5","6","1") = "5"
    & skf18("1","2","4","2","5","7","1") = "6"
    & skf18("1","2","4","2","5","8","1") = "7"
    & skf18("1","2","4","2","5","9","1") = "8"
    & skf18("1","2","4","2","5","10","1") = "9"
    & skf18("1","2","4","2","6","1","1") = "5"
    & skf18("1","2","4","2","6","2","1") = "5"
    & skf18("1","2","4","2","6","3","1") = "5"
    & skf18("1","2","4","2","6","4","1") = "5"
    & skf18("1","2","4","2","6","5","1") = "5"
    & skf18("1","2","4","2","6","6","1") = "5"
    & skf18("1","2","4","2","6","7","1") = "6"
    & skf18("1","2","4","2","6","8","1") = "7"
    & skf18("1","2","4","2","6","9","1") = "8"
    & skf18("1","2","4","2","6","10","1") = "9"
    & skf18("1","2","4","2","7","1","1") = "6"
    & skf18("1","2","4","2","7","2","1") = "6"
    & skf18("1","2","4","2","7","3","1") = "6"
    & skf18("1","2","4","2","7","4","1") = "6"
    & skf18("1","2","4","2","7","5","1") = "6"
    & skf18("1","2","4","2","7","6","1") = "6"
    & skf18("1","2","4","2","7","7","1") = "6"
    & skf18("1","2","4","2","7","8","1") = "7"
    & skf18("1","2","4","2","7","9","1") = "8"
    & skf18("1","2","4","2","7","10","1") = "9"
    & skf18("1","2","4","2","8","1","1") = "7"
    & skf18("1","2","4","2","8","2","1") = "7"
    & skf18("1","2","4","2","8","3","1") = "7"
    & skf18("1","2","4","2","8","4","1") = "7"
    & skf18("1","2","4","2","8","5","1") = "7"
    & skf18("1","2","4","2","8","6","1") = "7"
    & skf18("1","2","4","2","8","7","1") = "7"
    & skf18("1","2","4","2","8","8","1") = "7"
    & skf18("1","2","4","2","8","9","1") = "8"
    & skf18("1","2","4","2","8","10","1") = "9"
    & skf18("1","2","4","2","9","1","1") = "8"
    & skf18("1","2","4","2","9","2","1") = "8"
    & skf18("1","2","4","2","9","3","1") = "8"
    & skf18("1","2","4","2","9","4","1") = "8"
    & skf18("1","2","4","2","9","5","1") = "8"
    & skf18("1","2","4","2","9","6","1") = "8"
    & skf18("1","2","4","2","9","7","1") = "8"
    & skf18("1","2","4","2","9","8","1") = "8"
    & skf18("1","2","4","2","9","9","1") = "8"
    & skf18("1","2","4","2","9","10","1") = "9"
    & skf18("1","2","4","2","10","1","1") = "9"
    & skf18("1","2","4","2","10","2","1") = "9"
    & skf18("1","2","4","2","10","3","1") = "9"
    & skf18("1","2","4","2","10","4","1") = "9"
    & skf18("1","2","4","2","10","5","1") = "9"
    & skf18("1","2","4","2","10","6","1") = "9"
    & skf18("1","2","4","2","10","7","1") = "9"
    & skf18("1","2","4","2","10","8","1") = "9"
    & skf18("1","2","4","2","10","9","1") = "9"
    & skf18("1","2","4","2","10","10","1") = "9"
    & skf18("1","2","4","3","1","1","1") = "3"
    & skf18("1","2","4","3","1","2","1") = "3"
    & skf18("1","2","4","3","1","3","1") = "3"
    & skf18("1","2","4","3","1","4","1") = "3"
    & skf18("1","2","4","3","1","5","1") = "4"
    & skf18("1","2","4","3","1","6","1") = "5"
    & skf18("1","2","4","3","1","7","1") = "6"
    & skf18("1","2","4","3","1","8","1") = "7"
    & skf18("1","2","4","3","1","9","1") = "8"
    & skf18("1","2","4","3","1","10","1") = "9"
    & skf18("1","2","4","3","2","1","1") = "3"
    & skf18("1","2","4","3","2","2","1") = "3"
    & skf18("1","2","4","3","2","3","1") = "3"
    & skf18("1","2","4","3","2","4","1") = "3"
    & skf18("1","2","4","3","2","5","1") = "4"
    & skf18("1","2","4","3","2","6","1") = "5"
    & skf18("1","2","4","3","2","7","1") = "6"
    & skf18("1","2","4","3","2","8","1") = "7"
    & skf18("1","2","4","3","2","9","1") = "8"
    & skf18("1","2","4","3","2","10","1") = "9"
    & skf18("1","2","4","3","3","1","1") = "3"
    & skf18("1","2","4","3","3","2","1") = "3"
    & skf18("1","2","4","3","3","3","1") = "3"
    & skf18("1","2","4","3","3","4","1") = "3"
    & skf18("1","2","4","3","3","5","1") = "4"
    & skf18("1","2","4","3","3","6","1") = "5"
    & skf18("1","2","4","3","3","7","1") = "6"
    & skf18("1","2","4","3","3","8","1") = "7"
    & skf18("1","2","4","3","3","9","1") = "8"
    & skf18("1","2","4","3","3","10","1") = "9"
    & skf18("1","2","4","3","4","1","1") = "3"
    & skf18("1","2","4","3","4","2","1") = "3"
    & skf18("1","2","4","3","4","3","1") = "3"
    & skf18("1","2","4","3","4","4","1") = "3"
    & skf18("1","2","4","3","4","5","1") = "4"
    & skf18("1","2","4","3","4","6","1") = "5"
    & skf18("1","2","4","3","4","7","1") = "6"
    & skf18("1","2","4","3","4","8","1") = "7"
    & skf18("1","2","4","3","4","9","1") = "8"
    & skf18("1","2","4","3","4","10","1") = "9"
    & skf18("1","2","4","3","5","1","1") = "4"
    & skf18("1","2","4","3","5","2","1") = "4"
    & skf18("1","2","4","3","5","3","1") = "4"
    & skf18("1","2","4","3","5","4","1") = "4"
    & skf18("1","2","4","3","5","5","1") = "4"
    & skf18("1","2","4","3","5","6","1") = "5"
    & skf18("1","2","4","3","5","7","1") = "6"
    & skf18("1","2","4","3","5","8","1") = "7"
    & skf18("1","2","4","3","5","9","1") = "8"
    & skf18("1","2","4","3","5","10","1") = "9"
    & skf18("1","2","4","3","6","1","1") = "5"
    & skf18("1","2","4","3","6","2","1") = "5"
    & skf18("1","2","4","3","6","3","1") = "5"
    & skf18("1","2","4","3","6","4","1") = "5"
    & skf18("1","2","4","3","6","5","1") = "5"
    & skf18("1","2","4","3","6","6","1") = "5"
    & skf18("1","2","4","3","6","7","1") = "6"
    & skf18("1","2","4","3","6","8","1") = "7"
    & skf18("1","2","4","3","6","9","1") = "8"
    & skf18("1","2","4","3","6","10","1") = "9"
    & skf18("1","2","4","3","7","1","1") = "6"
    & skf18("1","2","4","3","7","2","1") = "6"
    & skf18("1","2","4","3","7","3","1") = "6"
    & skf18("1","2","4","3","7","4","1") = "6"
    & skf18("1","2","4","3","7","5","1") = "6"
    & skf18("1","2","4","3","7","6","1") = "6"
    & skf18("1","2","4","3","7","7","1") = "6"
    & skf18("1","2","4","3","7","8","1") = "7"
    & skf18("1","2","4","3","7","9","1") = "8"
    & skf18("1","2","4","3","7","10","1") = "9"
    & skf18("1","2","4","3","8","1","1") = "7"
    & skf18("1","2","4","3","8","2","1") = "7"
    & skf18("1","2","4","3","8","3","1") = "7"
    & skf18("1","2","4","3","8","4","1") = "7"
    & skf18("1","2","4","3","8","5","1") = "7"
    & skf18("1","2","4","3","8","6","1") = "7"
    & skf18("1","2","4","3","8","7","1") = "7"
    & skf18("1","2","4","3","8","8","1") = "7"
    & skf18("1","2","4","3","8","9","1") = "8"
    & skf18("1","2","4","3","8","10","1") = "9"
    & skf18("1","2","4","3","9","1","1") = "8"
    & skf18("1","2","4","3","9","2","1") = "8"
    & skf18("1","2","4","3","9","3","1") = "8"
    & skf18("1","2","4","3","9","4","1") = "8"
    & skf18("1","2","4","3","9","5","1") = "8"
    & skf18("1","2","4","3","9","6","1") = "8"
    & skf18("1","2","4","3","9","7","1") = "8"
    & skf18("1","2","4","3","9","8","1") = "8"
    & skf18("1","2","4","3","9","9","1") = "8"
    & skf18("1","2","4","3","9","10","1") = "9"
    & skf18("1","2","4","3","10","1","1") = "9"
    & skf18("1","2","4","3","10","2","1") = "9"
    & skf18("1","2","4","3","10","3","1") = "9"
    & skf18("1","2","4","3","10","4","1") = "9"
    & skf18("1","2","4","3","10","5","1") = "9"
    & skf18("1","2","4","3","10","6","1") = "9"
    & skf18("1","2","4","3","10","7","1") = "9"
    & skf18("1","2","4","3","10","8","1") = "9"
    & skf18("1","2","4","3","10","9","1") = "9"
    & skf18("1","2","4","3","10","10","1") = "9"
    & skf18("1","2","4","4","1","1","1") = "3"
    & skf18("1","2","4","4","1","2","1") = "3"
    & skf18("1","2","4","4","1","3","1") = "3"
    & skf18("1","2","4","4","1","4","1") = "3"
    & skf18("1","2","4","4","1","5","1") = "4"
    & skf18("1","2","4","4","1","6","1") = "5"
    & skf18("1","2","4","4","1","7","1") = "6"
    & skf18("1","2","4","4","1","8","1") = "7"
    & skf18("1","2","4","4","1","9","1") = "8"
    & skf18("1","2","4","4","1","10","1") = "9"
    & skf18("1","2","4","4","2","1","1") = "3"
    & skf18("1","2","4","4","2","2","1") = "3"
    & skf18("1","2","4","4","2","3","1") = "3"
    & skf18("1","2","4","4","2","4","1") = "3"
    & skf18("1","2","4","4","2","5","1") = "4"
    & skf18("1","2","4","4","2","6","1") = "5"
    & skf18("1","2","4","4","2","7","1") = "6"
    & skf18("1","2","4","4","2","8","1") = "7"
    & skf18("1","2","4","4","2","9","1") = "8"
    & skf18("1","2","4","4","2","10","1") = "9"
    & skf18("1","2","4","4","3","1","1") = "3"
    & skf18("1","2","4","4","3","2","1") = "3"
    & skf18("1","2","4","4","3","3","1") = "3"
    & skf18("1","2","4","4","3","4","1") = "3"
    & skf18("1","2","4","4","3","5","1") = "4"
    & skf18("1","2","4","4","3","6","1") = "5"
    & skf18("1","2","4","4","3","7","1") = "6"
    & skf18("1","2","4","4","3","8","1") = "7"
    & skf18("1","2","4","4","3","9","1") = "8"
    & skf18("1","2","4","4","3","10","1") = "9"
    & skf18("1","2","4","4","4","1","1") = "3"
    & skf18("1","2","4","4","4","2","1") = "3"
    & skf18("1","2","4","4","4","3","1") = "3"
    & skf18("1","2","4","4","4","4","1") = "3"
    & skf18("1","2","4","4","4","5","1") = "4"
    & skf18("1","2","4","4","4","6","1") = "5"
    & skf18("1","2","4","4","4","7","1") = "6"
    & skf18("1","2","4","4","4","8","1") = "7"
    & skf18("1","2","4","4","4","9","1") = "8"
    & skf18("1","2","4","4","4","10","1") = "9"
    & skf18("1","2","4","4","5","1","1") = "4"
    & skf18("1","2","4","4","5","2","1") = "4"
    & skf18("1","2","4","4","5","3","1") = "4"
    & skf18("1","2","4","4","5","4","1") = "4"
    & skf18("1","2","4","4","5","5","1") = "4"
    & skf18("1","2","4","4","5","6","1") = "5"
    & skf18("1","2","4","4","5","7","1") = "6"
    & skf18("1","2","4","4","5","8","1") = "7"
    & skf18("1","2","4","4","5","9","1") = "8"
    & skf18("1","2","4","4","5","10","1") = "9"
    & skf18("1","2","4","4","6","1","1") = "5"
    & skf18("1","2","4","4","6","2","1") = "5"
    & skf18("1","2","4","4","6","3","1") = "5"
    & skf18("1","2","4","4","6","4","1") = "5"
    & skf18("1","2","4","4","6","5","1") = "5"
    & skf18("1","2","4","4","6","6","1") = "5"
    & skf18("1","2","4","4","6","7","1") = "6"
    & skf18("1","2","4","4","6","8","1") = "7"
    & skf18("1","2","4","4","6","9","1") = "8"
    & skf18("1","2","4","4","6","10","1") = "9"
    & skf18("1","2","4","4","7","1","1") = "6"
    & skf18("1","2","4","4","7","2","1") = "6"
    & skf18("1","2","4","4","7","3","1") = "6"
    & skf18("1","2","4","4","7","4","1") = "6"
    & skf18("1","2","4","4","7","5","1") = "6"
    & skf18("1","2","4","4","7","6","1") = "6"
    & skf18("1","2","4","4","7","7","1") = "6"
    & skf18("1","2","4","4","7","8","1") = "7"
    & skf18("1","2","4","4","7","9","1") = "8"
    & skf18("1","2","4","4","7","10","1") = "9"
    & skf18("1","2","4","4","8","1","1") = "7"
    & skf18("1","2","4","4","8","2","1") = "7"
    & skf18("1","2","4","4","8","3","1") = "7"
    & skf18("1","2","4","4","8","4","1") = "7"
    & skf18("1","2","4","4","8","5","1") = "7"
    & skf18("1","2","4","4","8","6","1") = "7"
    & skf18("1","2","4","4","8","7","1") = "7"
    & skf18("1","2","4","4","8","8","1") = "7"
    & skf18("1","2","4","4","8","9","1") = "8"
    & skf18("1","2","4","4","8","10","1") = "9"
    & skf18("1","2","4","4","9","1","1") = "8"
    & skf18("1","2","4","4","9","2","1") = "8"
    & skf18("1","2","4","4","9","3","1") = "8"
    & skf18("1","2","4","4","9","4","1") = "8"
    & skf18("1","2","4","4","9","5","1") = "8"
    & skf18("1","2","4","4","9","6","1") = "8"
    & skf18("1","2","4","4","9","7","1") = "8"
    & skf18("1","2","4","4","9","8","1") = "8"
    & skf18("1","2","4","4","9","9","1") = "8"
    & skf18("1","2","4","4","9","10","1") = "9"
    & skf18("1","2","4","4","10","1","1") = "9"
    & skf18("1","2","4","4","10","2","1") = "9"
    & skf18("1","2","4","4","10","3","1") = "9"
    & skf18("1","2","4","4","10","4","1") = "9"
    & skf18("1","2","4","4","10","5","1") = "9"
    & skf18("1","2","4","4","10","6","1") = "9"
    & skf18("1","2","4","4","10","7","1") = "9"
    & skf18("1","2","4","4","10","8","1") = "9"
    & skf18("1","2","4","4","10","9","1") = "9"
    & skf18("1","2","4","4","10","10","1") = "9"
    & skf18("1","2","4","5","1","1","1") = "4"
    & skf18("1","2","4","5","1","2","1") = "4"
    & skf18("1","2","4","5","1","3","1") = "4"
    & skf18("1","2","4","5","1","4","1") = "4"
    & skf18("1","2","4","5","1","5","1") = "4"
    & skf18("1","2","4","5","1","6","1") = "5"
    & skf18("1","2","4","5","1","7","1") = "6"
    & skf18("1","2","4","5","1","8","1") = "7"
    & skf18("1","2","4","5","1","9","1") = "8"
    & skf18("1","2","4","5","1","10","1") = "9"
    & skf18("1","2","4","5","2","1","1") = "4"
    & skf18("1","2","4","5","2","2","1") = "4"
    & skf18("1","2","4","5","2","3","1") = "4"
    & skf18("1","2","4","5","2","4","1") = "4"
    & skf18("1","2","4","5","2","5","1") = "4"
    & skf18("1","2","4","5","2","6","1") = "5"
    & skf18("1","2","4","5","2","7","1") = "6"
    & skf18("1","2","4","5","2","8","1") = "7"
    & skf18("1","2","4","5","2","9","1") = "8"
    & skf18("1","2","4","5","2","10","1") = "9"
    & skf18("1","2","4","5","3","1","1") = "4"
    & skf18("1","2","4","5","3","2","1") = "4"
    & skf18("1","2","4","5","3","3","1") = "4"
    & skf18("1","2","4","5","3","4","1") = "4"
    & skf18("1","2","4","5","3","5","1") = "4"
    & skf18("1","2","4","5","3","6","1") = "5"
    & skf18("1","2","4","5","3","7","1") = "6"
    & skf18("1","2","4","5","3","8","1") = "7"
    & skf18("1","2","4","5","3","9","1") = "8"
    & skf18("1","2","4","5","3","10","1") = "9"
    & skf18("1","2","4","5","4","1","1") = "4"
    & skf18("1","2","4","5","4","2","1") = "4"
    & skf18("1","2","4","5","4","3","1") = "4"
    & skf18("1","2","4","5","4","4","1") = "4"
    & skf18("1","2","4","5","4","5","1") = "4"
    & skf18("1","2","4","5","4","6","1") = "5"
    & skf18("1","2","4","5","4","7","1") = "6"
    & skf18("1","2","4","5","4","8","1") = "7"
    & skf18("1","2","4","5","4","9","1") = "8"
    & skf18("1","2","4","5","4","10","1") = "9"
    & skf18("1","2","4","5","5","1","1") = "4"
    & skf18("1","2","4","5","5","2","1") = "4"
    & skf18("1","2","4","5","5","3","1") = "4"
    & skf18("1","2","4","5","5","4","1") = "4"
    & skf18("1","2","4","5","5","5","1") = "4"
    & skf18("1","2","4","5","5","6","1") = "5"
    & skf18("1","2","4","5","5","7","1") = "6"
    & skf18("1","2","4","5","5","8","1") = "7"
    & skf18("1","2","4","5","5","9","1") = "8"
    & skf18("1","2","4","5","5","10","1") = "9"
    & skf18("1","2","4","5","6","1","1") = "5"
    & skf18("1","2","4","5","6","2","1") = "5"
    & skf18("1","2","4","5","6","3","1") = "5"
    & skf18("1","2","4","5","6","4","1") = "5"
    & skf18("1","2","4","5","6","5","1") = "5"
    & skf18("1","2","4","5","6","6","1") = "5"
    & skf18("1","2","4","5","6","7","1") = "6"
    & skf18("1","2","4","5","6","8","1") = "7"
    & skf18("1","2","4","5","6","9","1") = "8"
    & skf18("1","2","4","5","6","10","1") = "9"
    & skf18("1","2","4","5","7","1","1") = "6"
    & skf18("1","2","4","5","7","2","1") = "6"
    & skf18("1","2","4","5","7","3","1") = "6"
    & skf18("1","2","4","5","7","4","1") = "6"
    & skf18("1","2","4","5","7","5","1") = "6"
    & skf18("1","2","4","5","7","6","1") = "6"
    & skf18("1","2","4","5","7","7","1") = "6"
    & skf18("1","2","4","5","7","8","1") = "7"
    & skf18("1","2","4","5","7","9","1") = "8"
    & skf18("1","2","4","5","7","10","1") = "9"
    & skf18("1","2","4","5","8","1","1") = "7"
    & skf18("1","2","4","5","8","2","1") = "7"
    & skf18("1","2","4","5","8","3","1") = "7"
    & skf18("1","2","4","5","8","4","1") = "7"
    & skf18("1","2","4","5","8","5","1") = "7"
    & skf18("1","2","4","5","8","6","1") = "7"
    & skf18("1","2","4","5","8","7","1") = "7"
    & skf18("1","2","4","5","8","8","1") = "7"
    & skf18("1","2","4","5","8","9","1") = "8"
    & skf18("1","2","4","5","8","10","1") = "9"
    & skf18("1","2","4","5","9","1","1") = "8"
    & skf18("1","2","4","5","9","2","1") = "8"
    & skf18("1","2","4","5","9","3","1") = "8"
    & skf18("1","2","4","5","9","4","1") = "8"
    & skf18("1","2","4","5","9","5","1") = "8"
    & skf18("1","2","4","5","9","6","1") = "8"
    & skf18("1","2","4","5","9","7","1") = "8"
    & skf18("1","2","4","5","9","8","1") = "8"
    & skf18("1","2","4","5","9","9","1") = "8"
    & skf18("1","2","4","5","9","10","1") = "9"
    & skf18("1","2","4","5","10","1","1") = "9"
    & skf18("1","2","4","5","10","2","1") = "9"
    & skf18("1","2","4","5","10","3","1") = "9"
    & skf18("1","2","4","5","10","4","1") = "9"
    & skf18("1","2","4","5","10","5","1") = "9"
    & skf18("1","2","4","5","10","6","1") = "9"
    & skf18("1","2","4","5","10","7","1") = "9"
    & skf18("1","2","4","5","10","8","1") = "9"
    & skf18("1","2","4","5","10","9","1") = "9"
    & skf18("1","2","4","5","10","10","1") = "9"
    & skf18("1","2","4","6","1","1","1") = "5"
    & skf18("1","2","4","6","1","2","1") = "5"
    & skf18("1","2","4","6","1","3","1") = "5"
    & skf18("1","2","4","6","1","4","1") = "5"
    & skf18("1","2","4","6","1","5","1") = "5"
    & skf18("1","2","4","6","1","6","1") = "5"
    & skf18("1","2","4","6","1","7","1") = "6"
    & skf18("1","2","4","6","1","8","1") = "7"
    & skf18("1","2","4","6","1","9","1") = "8"
    & skf18("1","2","4","6","1","10","1") = "9"
    & skf18("1","2","4","6","2","1","1") = "5"
    & skf18("1","2","4","6","2","2","1") = "5"
    & skf18("1","2","4","6","2","3","1") = "5"
    & skf18("1","2","4","6","2","4","1") = "5"
    & skf18("1","2","4","6","2","5","1") = "5"
    & skf18("1","2","4","6","2","6","1") = "5"
    & skf18("1","2","4","6","2","7","1") = "6"
    & skf18("1","2","4","6","2","8","1") = "7"
    & skf18("1","2","4","6","2","9","1") = "8"
    & skf18("1","2","4","6","2","10","1") = "9"
    & skf18("1","2","4","6","3","1","1") = "5"
    & skf18("1","2","4","6","3","2","1") = "5"
    & skf18("1","2","4","6","3","3","1") = "5"
    & skf18("1","2","4","6","3","4","1") = "5"
    & skf18("1","2","4","6","3","5","1") = "5"
    & skf18("1","2","4","6","3","6","1") = "5"
    & skf18("1","2","4","6","3","7","1") = "6"
    & skf18("1","2","4","6","3","8","1") = "7"
    & skf18("1","2","4","6","3","9","1") = "8"
    & skf18("1","2","4","6","3","10","1") = "9"
    & skf18("1","2","4","6","4","1","1") = "5"
    & skf18("1","2","4","6","4","2","1") = "5"
    & skf18("1","2","4","6","4","3","1") = "5"
    & skf18("1","2","4","6","4","4","1") = "5"
    & skf18("1","2","4","6","4","5","1") = "5"
    & skf18("1","2","4","6","4","6","1") = "5"
    & skf18("1","2","4","6","4","7","1") = "6"
    & skf18("1","2","4","6","4","8","1") = "7"
    & skf18("1","2","4","6","4","9","1") = "8"
    & skf18("1","2","4","6","4","10","1") = "9"
    & skf18("1","2","4","6","5","1","1") = "5"
    & skf18("1","2","4","6","5","2","1") = "5"
    & skf18("1","2","4","6","5","3","1") = "5"
    & skf18("1","2","4","6","5","4","1") = "5"
    & skf18("1","2","4","6","5","5","1") = "5"
    & skf18("1","2","4","6","5","6","1") = "5"
    & skf18("1","2","4","6","5","7","1") = "6"
    & skf18("1","2","4","6","5","8","1") = "7"
    & skf18("1","2","4","6","5","9","1") = "8"
    & skf18("1","2","4","6","5","10","1") = "9"
    & skf18("1","2","4","6","6","1","1") = "5"
    & skf18("1","2","4","6","6","2","1") = "5"
    & skf18("1","2","4","6","6","3","1") = "5"
    & skf18("1","2","4","6","6","4","1") = "5"
    & skf18("1","2","4","6","6","5","1") = "5"
    & skf18("1","2","4","6","6","6","1") = "5"
    & skf18("1","2","4","6","6","7","1") = "6"
    & skf18("1","2","4","6","6","8","1") = "7"
    & skf18("1","2","4","6","6","9","1") = "8"
    & skf18("1","2","4","6","6","10","1") = "9"
    & skf18("1","2","4","6","7","1","1") = "6"
    & skf18("1","2","4","6","7","2","1") = "6"
    & skf18("1","2","4","6","7","3","1") = "6"
    & skf18("1","2","4","6","7","4","1") = "6"
    & skf18("1","2","4","6","7","5","1") = "6"
    & skf18("1","2","4","6","7","6","1") = "6"
    & skf18("1","2","4","6","7","7","1") = "6"
    & skf18("1","2","4","6","7","8","1") = "7"
    & skf18("1","2","4","6","7","9","1") = "8"
    & skf18("1","2","4","6","7","10","1") = "9"
    & skf18("1","2","4","6","8","1","1") = "7"
    & skf18("1","2","4","6","8","2","1") = "7"
    & skf18("1","2","4","6","8","3","1") = "7"
    & skf18("1","2","4","6","8","4","1") = "7"
    & skf18("1","2","4","6","8","5","1") = "7"
    & skf18("1","2","4","6","8","6","1") = "7"
    & skf18("1","2","4","6","8","7","1") = "7"
    & skf18("1","2","4","6","8","8","1") = "7"
    & skf18("1","2","4","6","8","9","1") = "8"
    & skf18("1","2","4","6","8","10","1") = "9"
    & skf18("1","2","4","6","9","1","1") = "8"
    & skf18("1","2","4","6","9","2","1") = "8"
    & skf18("1","2","4","6","9","3","1") = "8"
    & skf18("1","2","4","6","9","4","1") = "8"
    & skf18("1","2","4","6","9","5","1") = "8"
    & skf18("1","2","4","6","9","6","1") = "8"
    & skf18("1","2","4","6","9","7","1") = "8"
    & skf18("1","2","4","6","9","8","1") = "8"
    & skf18("1","2","4","6","9","9","1") = "8"
    & skf18("1","2","4","6","9","10","1") = "9"
    & skf18("1","2","4","6","10","1","1") = "9"
    & skf18("1","2","4","6","10","2","1") = "9"
    & skf18("1","2","4","6","10","3","1") = "9"
    & skf18("1","2","4","6","10","4","1") = "9"
    & skf18("1","2","4","6","10","5","1") = "9"
    & skf18("1","2","4","6","10","6","1") = "9"
    & skf18("1","2","4","6","10","7","1") = "9"
    & skf18("1","2","4","6","10","8","1") = "9"
    & skf18("1","2","4","6","10","9","1") = "9"
    & skf18("1","2","4","6","10","10","1") = "9"
    & skf18("1","2","4","7","1","1","1") = "6"
    & skf18("1","2","4","7","1","2","1") = "6"
    & skf18("1","2","4","7","1","3","1") = "6"
    & skf18("1","2","4","7","1","4","1") = "6"
    & skf18("1","2","4","7","1","5","1") = "6"
    & skf18("1","2","4","7","1","6","1") = "6"
    & skf18("1","2","4","7","1","7","1") = "6"
    & skf18("1","2","4","7","1","8","1") = "7"
    & skf18("1","2","4","7","1","9","1") = "8"
    & skf18("1","2","4","7","1","10","1") = "9"
    & skf18("1","2","4","7","2","1","1") = "6"
    & skf18("1","2","4","7","2","2","1") = "6"
    & skf18("1","2","4","7","2","3","1") = "6"
    & skf18("1","2","4","7","2","4","1") = "6"
    & skf18("1","2","4","7","2","5","1") = "6"
    & skf18("1","2","4","7","2","6","1") = "6"
    & skf18("1","2","4","7","2","7","1") = "6"
    & skf18("1","2","4","7","2","8","1") = "7"
    & skf18("1","2","4","7","2","9","1") = "8"
    & skf18("1","2","4","7","2","10","1") = "9"
    & skf18("1","2","4","7","3","1","1") = "6"
    & skf18("1","2","4","7","3","2","1") = "6"
    & skf18("1","2","4","7","3","3","1") = "6"
    & skf18("1","2","4","7","3","4","1") = "6"
    & skf18("1","2","4","7","3","5","1") = "6"
    & skf18("1","2","4","7","3","6","1") = "6"
    & skf18("1","2","4","7","3","7","1") = "6"
    & skf18("1","2","4","7","3","8","1") = "7"
    & skf18("1","2","4","7","3","9","1") = "8"
    & skf18("1","2","4","7","3","10","1") = "9"
    & skf18("1","2","4","7","4","1","1") = "6"
    & skf18("1","2","4","7","4","2","1") = "6"
    & skf18("1","2","4","7","4","3","1") = "6"
    & skf18("1","2","4","7","4","4","1") = "6"
    & skf18("1","2","4","7","4","5","1") = "6"
    & skf18("1","2","4","7","4","6","1") = "6"
    & skf18("1","2","4","7","4","7","1") = "6"
    & skf18("1","2","4","7","4","8","1") = "7"
    & skf18("1","2","4","7","4","9","1") = "8"
    & skf18("1","2","4","7","4","10","1") = "9"
    & skf18("1","2","4","7","5","1","1") = "6"
    & skf18("1","2","4","7","5","2","1") = "6"
    & skf18("1","2","4","7","5","3","1") = "6"
    & skf18("1","2","4","7","5","4","1") = "6"
    & skf18("1","2","4","7","5","5","1") = "6"
    & skf18("1","2","4","7","5","6","1") = "6"
    & skf18("1","2","4","7","5","7","1") = "6"
    & skf18("1","2","4","7","5","8","1") = "7"
    & skf18("1","2","4","7","5","9","1") = "8"
    & skf18("1","2","4","7","5","10","1") = "9"
    & skf18("1","2","4","7","6","1","1") = "6"
    & skf18("1","2","4","7","6","2","1") = "6"
    & skf18("1","2","4","7","6","3","1") = "6"
    & skf18("1","2","4","7","6","4","1") = "6"
    & skf18("1","2","4","7","6","5","1") = "6"
    & skf18("1","2","4","7","6","6","1") = "6"
    & skf18("1","2","4","7","6","7","1") = "6"
    & skf18("1","2","4","7","6","8","1") = "7"
    & skf18("1","2","4","7","6","9","1") = "8"
    & skf18("1","2","4","7","6","10","1") = "9"
    & skf18("1","2","4","7","7","1","1") = "6"
    & skf18("1","2","4","7","7","2","1") = "6"
    & skf18("1","2","4","7","7","3","1") = "6"
    & skf18("1","2","4","7","7","4","1") = "6"
    & skf18("1","2","4","7","7","5","1") = "6"
    & skf18("1","2","4","7","7","6","1") = "6"
    & skf18("1","2","4","7","7","7","1") = "6"
    & skf18("1","2","4","7","7","8","1") = "7"
    & skf18("1","2","4","7","7","9","1") = "8"
    & skf18("1","2","4","7","7","10","1") = "9"
    & skf18("1","2","4","7","8","1","1") = "7"
    & skf18("1","2","4","7","8","2","1") = "7"
    & skf18("1","2","4","7","8","3","1") = "7"
    & skf18("1","2","4","7","8","4","1") = "7"
    & skf18("1","2","4","7","8","5","1") = "7"
    & skf18("1","2","4","7","8","6","1") = "7"
    & skf18("1","2","4","7","8","7","1") = "7"
    & skf18("1","2","4","7","8","8","1") = "7"
    & skf18("1","2","4","7","8","9","1") = "8"
    & skf18("1","2","4","7","8","10","1") = "9"
    & skf18("1","2","4","7","9","1","1") = "8"
    & skf18("1","2","4","7","9","2","1") = "8"
    & skf18("1","2","4","7","9","3","1") = "8"
    & skf18("1","2","4","7","9","4","1") = "8"
    & skf18("1","2","4","7","9","5","1") = "8"
    & skf18("1","2","4","7","9","6","1") = "8"
    & skf18("1","2","4","7","9","7","1") = "8"
    & skf18("1","2","4","7","9","8","1") = "8"
    & skf18("1","2","4","7","9","9","1") = "8"
    & skf18("1","2","4","7","9","10","1") = "9"
    & skf18("1","2","4","7","10","1","1") = "9"
    & skf18("1","2","4","7","10","2","1") = "9"
    & skf18("1","2","4","7","10","3","1") = "9"
    & skf18("1","2","4","7","10","4","1") = "9"
    & skf18("1","2","4","7","10","5","1") = "9"
    & skf18("1","2","4","7","10","6","1") = "9"
    & skf18("1","2","4","7","10","7","1") = "9"
    & skf18("1","2","4","7","10","8","1") = "9"
    & skf18("1","2","4","7","10","9","1") = "9"
    & skf18("1","2","4","7","10","10","1") = "9"
    & skf18("1","2","4","8","1","1","1") = "7"
    & skf18("1","2","4","8","1","2","1") = "7"
    & skf18("1","2","4","8","1","3","1") = "7"
    & skf18("1","2","4","8","1","4","1") = "7"
    & skf18("1","2","4","8","1","5","1") = "7"
    & skf18("1","2","4","8","1","6","1") = "7"
    & skf18("1","2","4","8","1","7","1") = "7"
    & skf18("1","2","4","8","1","8","1") = "7"
    & skf18("1","2","4","8","1","9","1") = "8"
    & skf18("1","2","4","8","1","10","1") = "9"
    & skf18("1","2","4","8","2","1","1") = "7"
    & skf18("1","2","4","8","2","2","1") = "7"
    & skf18("1","2","4","8","2","3","1") = "7"
    & skf18("1","2","4","8","2","4","1") = "7"
    & skf18("1","2","4","8","2","5","1") = "7"
    & skf18("1","2","4","8","2","6","1") = "7"
    & skf18("1","2","4","8","2","7","1") = "7"
    & skf18("1","2","4","8","2","8","1") = "7"
    & skf18("1","2","4","8","2","9","1") = "8"
    & skf18("1","2","4","8","2","10","1") = "9"
    & skf18("1","2","4","8","3","1","1") = "7"
    & skf18("1","2","4","8","3","2","1") = "7"
    & skf18("1","2","4","8","3","3","1") = "7"
    & skf18("1","2","4","8","3","4","1") = "7"
    & skf18("1","2","4","8","3","5","1") = "7"
    & skf18("1","2","4","8","3","6","1") = "7"
    & skf18("1","2","4","8","3","7","1") = "7"
    & skf18("1","2","4","8","3","8","1") = "7"
    & skf18("1","2","4","8","3","9","1") = "8"
    & skf18("1","2","4","8","3","10","1") = "9"
    & skf18("1","2","4","8","4","1","1") = "7"
    & skf18("1","2","4","8","4","2","1") = "7"
    & skf18("1","2","4","8","4","3","1") = "7"
    & skf18("1","2","4","8","4","4","1") = "7"
    & skf18("1","2","4","8","4","5","1") = "7"
    & skf18("1","2","4","8","4","6","1") = "7"
    & skf18("1","2","4","8","4","7","1") = "7"
    & skf18("1","2","4","8","4","8","1") = "7"
    & skf18("1","2","4","8","4","9","1") = "8"
    & skf18("1","2","4","8","4","10","1") = "9"
    & skf18("1","2","4","8","5","1","1") = "7"
    & skf18("1","2","4","8","5","2","1") = "7"
    & skf18("1","2","4","8","5","3","1") = "7"
    & skf18("1","2","4","8","5","4","1") = "7"
    & skf18("1","2","4","8","5","5","1") = "7"
    & skf18("1","2","4","8","5","6","1") = "7"
    & skf18("1","2","4","8","5","7","1") = "7"
    & skf18("1","2","4","8","5","8","1") = "7"
    & skf18("1","2","4","8","5","9","1") = "8"
    & skf18("1","2","4","8","5","10","1") = "9"
    & skf18("1","2","4","8","6","1","1") = "7"
    & skf18("1","2","4","8","6","2","1") = "7"
    & skf18("1","2","4","8","6","3","1") = "7"
    & skf18("1","2","4","8","6","4","1") = "7"
    & skf18("1","2","4","8","6","5","1") = "7"
    & skf18("1","2","4","8","6","6","1") = "7"
    & skf18("1","2","4","8","6","7","1") = "7"
    & skf18("1","2","4","8","6","8","1") = "7"
    & skf18("1","2","4","8","6","9","1") = "8"
    & skf18("1","2","4","8","6","10","1") = "9"
    & skf18("1","2","4","8","7","1","1") = "7"
    & skf18("1","2","4","8","7","2","1") = "7"
    & skf18("1","2","4","8","7","3","1") = "7"
    & skf18("1","2","4","8","7","4","1") = "7"
    & skf18("1","2","4","8","7","5","1") = "7"
    & skf18("1","2","4","8","7","6","1") = "7"
    & skf18("1","2","4","8","7","7","1") = "7"
    & skf18("1","2","4","8","7","8","1") = "7"
    & skf18("1","2","4","8","7","9","1") = "8"
    & skf18("1","2","4","8","7","10","1") = "9"
    & skf18("1","2","4","8","8","1","1") = "7"
    & skf18("1","2","4","8","8","2","1") = "7"
    & skf18("1","2","4","8","8","3","1") = "7"
    & skf18("1","2","4","8","8","4","1") = "7"
    & skf18("1","2","4","8","8","5","1") = "7"
    & skf18("1","2","4","8","8","6","1") = "7"
    & skf18("1","2","4","8","8","7","1") = "7"
    & skf18("1","2","4","8","8","8","1") = "7"
    & skf18("1","2","4","8","8","9","1") = "8"
    & skf18("1","2","4","8","8","10","1") = "9"
    & skf18("1","2","4","8","9","1","1") = "8"
    & skf18("1","2","4","8","9","2","1") = "8"
    & skf18("1","2","4","8","9","3","1") = "8"
    & skf18("1","2","4","8","9","4","1") = "8"
    & skf18("1","2","4","8","9","5","1") = "8"
    & skf18("1","2","4","8","9","6","1") = "8"
    & skf18("1","2","4","8","9","7","1") = "8"
    & skf18("1","2","4","8","9","8","1") = "8"
    & skf18("1","2","4","8","9","9","1") = "8"
    & skf18("1","2","4","8","9","10","1") = "9"
    & skf18("1","2","4","8","10","1","1") = "9"
    & skf18("1","2","4","8","10","2","1") = "9"
    & skf18("1","2","4","8","10","3","1") = "9"
    & skf18("1","2","4","8","10","4","1") = "9"
    & skf18("1","2","4","8","10","5","1") = "9"
    & skf18("1","2","4","8","10","6","1") = "9"
    & skf18("1","2","4","8","10","7","1") = "9"
    & skf18("1","2","4","8","10","8","1") = "9"
    & skf18("1","2","4","8","10","9","1") = "9"
    & skf18("1","2","4","8","10","10","1") = "9"
    & skf18("1","2","4","9","1","1","1") = "8"
    & skf18("1","2","4","9","1","2","1") = "8"
    & skf18("1","2","4","9","1","3","1") = "8"
    & skf18("1","2","4","9","1","4","1") = "8"
    & skf18("1","2","4","9","1","5","1") = "8"
    & skf18("1","2","4","9","1","6","1") = "8"
    & skf18("1","2","4","9","1","7","1") = "8"
    & skf18("1","2","4","9","1","8","1") = "8"
    & skf18("1","2","4","9","1","9","1") = "8"
    & skf18("1","2","4","9","1","10","1") = "9"
    & skf18("1","2","4","9","2","1","1") = "8"
    & skf18("1","2","4","9","2","2","1") = "8"
    & skf18("1","2","4","9","2","3","1") = "8"
    & skf18("1","2","4","9","2","4","1") = "8"
    & skf18("1","2","4","9","2","5","1") = "8"
    & skf18("1","2","4","9","2","6","1") = "8"
    & skf18("1","2","4","9","2","7","1") = "8"
    & skf18("1","2","4","9","2","8","1") = "8"
    & skf18("1","2","4","9","2","9","1") = "8"
    & skf18("1","2","4","9","2","10","1") = "9"
    & skf18("1","2","4","9","3","1","1") = "8"
    & skf18("1","2","4","9","3","2","1") = "8"
    & skf18("1","2","4","9","3","3","1") = "8"
    & skf18("1","2","4","9","3","4","1") = "8"
    & skf18("1","2","4","9","3","5","1") = "8"
    & skf18("1","2","4","9","3","6","1") = "8"
    & skf18("1","2","4","9","3","7","1") = "8"
    & skf18("1","2","4","9","3","8","1") = "8"
    & skf18("1","2","4","9","3","9","1") = "8"
    & skf18("1","2","4","9","3","10","1") = "9"
    & skf18("1","2","4","9","4","1","1") = "8"
    & skf18("1","2","4","9","4","2","1") = "8"
    & skf18("1","2","4","9","4","3","1") = "8"
    & skf18("1","2","4","9","4","4","1") = "8"
    & skf18("1","2","4","9","4","5","1") = "8"
    & skf18("1","2","4","9","4","6","1") = "8"
    & skf18("1","2","4","9","4","7","1") = "8"
    & skf18("1","2","4","9","4","8","1") = "8"
    & skf18("1","2","4","9","4","9","1") = "8"
    & skf18("1","2","4","9","4","10","1") = "9"
    & skf18("1","2","4","9","5","1","1") = "8"
    & skf18("1","2","4","9","5","2","1") = "8"
    & skf18("1","2","4","9","5","3","1") = "8"
    & skf18("1","2","4","9","5","4","1") = "8"
    & skf18("1","2","4","9","5","5","1") = "8"
    & skf18("1","2","4","9","5","6","1") = "8"
    & skf18("1","2","4","9","5","7","1") = "8"
    & skf18("1","2","4","9","5","8","1") = "8"
    & skf18("1","2","4","9","5","9","1") = "8"
    & skf18("1","2","4","9","5","10","1") = "9"
    & skf18("1","2","4","9","6","1","1") = "8"
    & skf18("1","2","4","9","6","2","1") = "8"
    & skf18("1","2","4","9","6","3","1") = "8"
    & skf18("1","2","4","9","6","4","1") = "8"
    & skf18("1","2","4","9","6","5","1") = "8"
    & skf18("1","2","4","9","6","6","1") = "8"
    & skf18("1","2","4","9","6","7","1") = "8"
    & skf18("1","2","4","9","6","8","1") = "8"
    & skf18("1","2","4","9","6","9","1") = "8"
    & skf18("1","2","4","9","6","10","1") = "9"
    & skf18("1","2","4","9","7","1","1") = "8"
    & skf18("1","2","4","9","7","2","1") = "8"
    & skf18("1","2","4","9","7","3","1") = "8"
    & skf18("1","2","4","9","7","4","1") = "8"
    & skf18("1","2","4","9","7","5","1") = "8"
    & skf18("1","2","4","9","7","6","1") = "8"
    & skf18("1","2","4","9","7","7","1") = "8"
    & skf18("1","2","4","9","7","8","1") = "8"
    & skf18("1","2","4","9","7","9","1") = "8"
    & skf18("1","2","4","9","7","10","1") = "9"
    & skf18("1","2","4","9","8","1","1") = "8"
    & skf18("1","2","4","9","8","2","1") = "8"
    & skf18("1","2","4","9","8","3","1") = "8"
    & skf18("1","2","4","9","8","4","1") = "8"
    & skf18("1","2","4","9","8","5","1") = "8"
    & skf18("1","2","4","9","8","6","1") = "8"
    & skf18("1","2","4","9","8","7","1") = "8"
    & skf18("1","2","4","9","8","8","1") = "8"
    & skf18("1","2","4","9","8","9","1") = "8"
    & skf18("1","2","4","9","8","10","1") = "9"
    & skf18("1","2","4","9","9","1","1") = "8"
    & skf18("1","2","4","9","9","2","1") = "8"
    & skf18("1","2","4","9","9","3","1") = "8"
    & skf18("1","2","4","9","9","4","1") = "8"
    & skf18("1","2","4","9","9","5","1") = "8"
    & skf18("1","2","4","9","9","6","1") = "8"
    & skf18("1","2","4","9","9","7","1") = "8"
    & skf18("1","2","4","9","9","8","1") = "8"
    & skf18("1","2","4","9","9","9","1") = "8"
    & skf18("1","2","4","9","9","10","1") = "9"
    & skf18("1","2","4","9","10","1","1") = "9"
    & skf18("1","2","4","9","10","2","1") = "9"
    & skf18("1","2","4","9","10","3","1") = "9"
    & skf18("1","2","4","9","10","4","1") = "9"
    & skf18("1","2","4","9","10","5","1") = "9"
    & skf18("1","2","4","9","10","6","1") = "9"
    & skf18("1","2","4","9","10","7","1") = "9"
    & skf18("1","2","4","9","10","8","1") = "9"
    & skf18("1","2","4","9","10","9","1") = "9"
    & skf18("1","2","4","9","10","10","1") = "9"
    & skf18("1","2","4","10","1","1","1") = "9"
    & skf18("1","2","4","10","1","2","1") = "9"
    & skf18("1","2","4","10","1","3","1") = "9"
    & skf18("1","2","4","10","1","4","1") = "9"
    & skf18("1","2","4","10","1","5","1") = "9"
    & skf18("1","2","4","10","1","6","1") = "9"
    & skf18("1","2","4","10","1","7","1") = "9"
    & skf18("1","2","4","10","1","8","1") = "9"
    & skf18("1","2","4","10","1","9","1") = "9"
    & skf18("1","2","4","10","1","10","1") = "9"
    & skf18("1","2","4","10","2","1","1") = "9"
    & skf18("1","2","4","10","2","2","1") = "9"
    & skf18("1","2","4","10","2","3","1") = "9"
    & skf18("1","2","4","10","2","4","1") = "9"
    & skf18("1","2","4","10","2","5","1") = "9"
    & skf18("1","2","4","10","2","6","1") = "9"
    & skf18("1","2","4","10","2","7","1") = "9"
    & skf18("1","2","4","10","2","8","1") = "9"
    & skf18("1","2","4","10","2","9","1") = "9"
    & skf18("1","2","4","10","2","10","1") = "9"
    & skf18("1","2","4","10","3","1","1") = "9"
    & skf18("1","2","4","10","3","2","1") = "9"
    & skf18("1","2","4","10","3","3","1") = "9"
    & skf18("1","2","4","10","3","4","1") = "9"
    & skf18("1","2","4","10","3","5","1") = "9"
    & skf18("1","2","4","10","3","6","1") = "9"
    & skf18("1","2","4","10","3","7","1") = "9"
    & skf18("1","2","4","10","3","8","1") = "9"
    & skf18("1","2","4","10","3","9","1") = "9"
    & skf18("1","2","4","10","3","10","1") = "9"
    & skf18("1","2","4","10","4","1","1") = "9"
    & skf18("1","2","4","10","4","2","1") = "9"
    & skf18("1","2","4","10","4","3","1") = "9"
    & skf18("1","2","4","10","4","4","1") = "9"
    & skf18("1","2","4","10","4","5","1") = "9"
    & skf18("1","2","4","10","4","6","1") = "9"
    & skf18("1","2","4","10","4","7","1") = "9"
    & skf18("1","2","4","10","4","8","1") = "9"
    & skf18("1","2","4","10","4","9","1") = "9"
    & skf18("1","2","4","10","4","10","1") = "9"
    & skf18("1","2","4","10","5","1","1") = "9"
    & skf18("1","2","4","10","5","2","1") = "9"
    & skf18("1","2","4","10","5","3","1") = "9"
    & skf18("1","2","4","10","5","4","1") = "9"
    & skf18("1","2","4","10","5","5","1") = "9"
    & skf18("1","2","4","10","5","6","1") = "9"
    & skf18("1","2","4","10","5","7","1") = "9"
    & skf18("1","2","4","10","5","8","1") = "9"
    & skf18("1","2","4","10","5","9","1") = "9"
    & skf18("1","2","4","10","5","10","1") = "9"
    & skf18("1","2","4","10","6","1","1") = "9"
    & skf18("1","2","4","10","6","2","1") = "9"
    & skf18("1","2","4","10","6","3","1") = "9"
    & skf18("1","2","4","10","6","4","1") = "9"
    & skf18("1","2","4","10","6","5","1") = "9"
    & skf18("1","2","4","10","6","6","1") = "9"
    & skf18("1","2","4","10","6","7","1") = "9"
    & skf18("1","2","4","10","6","8","1") = "9"
    & skf18("1","2","4","10","6","9","1") = "9"
    & skf18("1","2","4","10","6","10","1") = "9"
    & skf18("1","2","4","10","7","1","1") = "9"
    & skf18("1","2","4","10","7","2","1") = "9"
    & skf18("1","2","4","10","7","3","1") = "9"
    & skf18("1","2","4","10","7","4","1") = "9"
    & skf18("1","2","4","10","7","5","1") = "9"
    & skf18("1","2","4","10","7","6","1") = "9"
    & skf18("1","2","4","10","7","7","1") = "9"
    & skf18("1","2","4","10","7","8","1") = "9"
    & skf18("1","2","4","10","7","9","1") = "9"
    & skf18("1","2","4","10","7","10","1") = "9"
    & skf18("1","2","4","10","8","1","1") = "9"
    & skf18("1","2","4","10","8","2","1") = "9"
    & skf18("1","2","4","10","8","3","1") = "9"
    & skf18("1","2","4","10","8","4","1") = "9"
    & skf18("1","2","4","10","8","5","1") = "9"
    & skf18("1","2","4","10","8","6","1") = "9"
    & skf18("1","2","4","10","8","7","1") = "9"
    & skf18("1","2","4","10","8","8","1") = "9"
    & skf18("1","2","4","10","8","9","1") = "9"
    & skf18("1","2","4","10","8","10","1") = "9"
    & skf18("1","2","4","10","9","1","1") = "9"
    & skf18("1","2","4","10","9","2","1") = "9"
    & skf18("1","2","4","10","9","3","1") = "9"
    & skf18("1","2","4","10","9","4","1") = "9"
    & skf18("1","2","4","10","9","5","1") = "9"
    & skf18("1","2","4","10","9","6","1") = "9"
    & skf18("1","2","4","10","9","7","1") = "9"
    & skf18("1","2","4","10","9","8","1") = "9"
    & skf18("1","2","4","10","9","9","1") = "9"
    & skf18("1","2","4","10","9","10","1") = "9"
    & skf18("1","2","4","10","10","1","1") = "9"
    & skf18("1","2","4","10","10","2","1") = "9"
    & skf18("1","2","4","10","10","3","1") = "9"
    & skf18("1","2","4","10","10","4","1") = "9"
    & skf18("1","2","4","10","10","5","1") = "9"
    & skf18("1","2","4","10","10","6","1") = "9"
    & skf18("1","2","4","10","10","7","1") = "9"
    & skf18("1","2","4","10","10","8","1") = "9"
    & skf18("1","2","4","10","10","9","1") = "9"
    & skf18("1","2","4","10","10","10","1") = "9"
    & skf18("1","2","5","1","1","1","1") = "4"
    & skf18("1","2","5","1","1","2","1") = "4"
    & skf18("1","2","5","1","1","3","1") = "4"
    & skf18("1","2","5","1","1","4","1") = "4"
    & skf18("1","2","5","1","1","5","1") = "4"
    & skf18("1","2","5","1","1","6","1") = "5"
    & skf18("1","2","5","1","1","7","1") = "6"
    & skf18("1","2","5","1","1","8","1") = "7"
    & skf18("1","2","5","1","1","9","1") = "8"
    & skf18("1","2","5","1","1","10","1") = "9"
    & skf18("1","2","5","1","2","1","1") = "4"
    & skf18("1","2","5","1","2","2","1") = "4"
    & skf18("1","2","5","1","2","3","1") = "4"
    & skf18("1","2","5","1","2","4","1") = "4"
    & skf18("1","2","5","1","2","5","1") = "4"
    & skf18("1","2","5","1","2","6","1") = "5"
    & skf18("1","2","5","1","2","7","1") = "6"
    & skf18("1","2","5","1","2","8","1") = "7"
    & skf18("1","2","5","1","2","9","1") = "8"
    & skf18("1","2","5","1","2","10","1") = "9"
    & skf18("1","2","5","1","3","1","1") = "4"
    & skf18("1","2","5","1","3","2","1") = "4"
    & skf18("1","2","5","1","3","3","1") = "4"
    & skf18("1","2","5","1","3","4","1") = "4"
    & skf18("1","2","5","1","3","5","1") = "4"
    & skf18("1","2","5","1","3","6","1") = "5"
    & skf18("1","2","5","1","3","7","1") = "6"
    & skf18("1","2","5","1","3","8","1") = "7"
    & skf18("1","2","5","1","3","9","1") = "8"
    & skf18("1","2","5","1","3","10","1") = "9"
    & skf18("1","2","5","1","4","1","1") = "4"
    & skf18("1","2","5","1","4","2","1") = "4"
    & skf18("1","2","5","1","4","3","1") = "4"
    & skf18("1","2","5","1","4","4","1") = "4"
    & skf18("1","2","5","1","4","5","1") = "4"
    & skf18("1","2","5","1","4","6","1") = "5"
    & skf18("1","2","5","1","4","7","1") = "6"
    & skf18("1","2","5","1","4","8","1") = "7"
    & skf18("1","2","5","1","4","9","1") = "8"
    & skf18("1","2","5","1","4","10","1") = "9"
    & skf18("1","2","5","1","5","1","1") = "4"
    & skf18("1","2","5","1","5","2","1") = "4"
    & skf18("1","2","5","1","5","3","1") = "4"
    & skf18("1","2","5","1","5","4","1") = "4"
    & skf18("1","2","5","1","5","5","1") = "4"
    & skf18("1","2","5","1","5","6","1") = "5"
    & skf18("1","2","5","1","5","7","1") = "6"
    & skf18("1","2","5","1","5","8","1") = "7"
    & skf18("1","2","5","1","5","9","1") = "8"
    & skf18("1","2","5","1","5","10","1") = "9"
    & skf18("1","2","5","1","6","1","1") = "5"
    & skf18("1","2","5","1","6","2","1") = "5"
    & skf18("1","2","5","1","6","3","1") = "5"
    & skf18("1","2","5","1","6","4","1") = "5"
    & skf18("1","2","5","1","6","5","1") = "5"
    & skf18("1","2","5","1","6","6","1") = "5"
    & skf18("1","2","5","1","6","7","1") = "6"
    & skf18("1","2","5","1","6","8","1") = "7"
    & skf18("1","2","5","1","6","9","1") = "8"
    & skf18("1","2","5","1","6","10","1") = "9"
    & skf18("1","2","5","1","7","1","1") = "6"
    & skf18("1","2","5","1","7","2","1") = "6"
    & skf18("1","2","5","1","7","3","1") = "6"
    & skf18("1","2","5","1","7","4","1") = "6"
    & skf18("1","2","5","1","7","5","1") = "6"
    & skf18("1","2","5","1","7","6","1") = "6"
    & skf18("1","2","5","1","7","7","1") = "6"
    & skf18("1","2","5","1","7","8","1") = "7"
    & skf18("1","2","5","1","7","9","1") = "8"
    & skf18("1","2","5","1","7","10","1") = "9"
    & skf18("1","2","5","1","8","1","1") = "7"
    & skf18("1","2","5","1","8","2","1") = "7"
    & skf18("1","2","5","1","8","3","1") = "7"
    & skf18("1","2","5","1","8","4","1") = "7"
    & skf18("1","2","5","1","8","5","1") = "7"
    & skf18("1","2","5","1","8","6","1") = "7"
    & skf18("1","2","5","1","8","7","1") = "7"
    & skf18("1","2","5","1","8","8","1") = "7"
    & skf18("1","2","5","1","8","9","1") = "8"
    & skf18("1","2","5","1","8","10","1") = "9"
    & skf18("1","2","5","1","9","1","1") = "8"
    & skf18("1","2","5","1","9","2","1") = "8"
    & skf18("1","2","5","1","9","3","1") = "8"
    & skf18("1","2","5","1","9","4","1") = "8"
    & skf18("1","2","5","1","9","5","1") = "8"
    & skf18("1","2","5","1","9","6","1") = "8"
    & skf18("1","2","5","1","9","7","1") = "8"
    & skf18("1","2","5","1","9","8","1") = "8"
    & skf18("1","2","5","1","9","9","1") = "8"
    & skf18("1","2","5","1","9","10","1") = "9"
    & skf18("1","2","5","1","10","1","1") = "9"
    & skf18("1","2","5","1","10","2","1") = "9"
    & skf18("1","2","5","1","10","3","1") = "9"
    & skf18("1","2","5","1","10","4","1") = "9"
    & skf18("1","2","5","1","10","5","1") = "9"
    & skf18("1","2","5","1","10","6","1") = "9"
    & skf18("1","2","5","1","10","7","1") = "9"
    & skf18("1","2","5","1","10","8","1") = "9"
    & skf18("1","2","5","1","10","9","1") = "9"
    & skf18("1","2","5","1","10","10","1") = "9"
    & skf18("1","2","5","2","1","1","1") = "4"
    & skf18("1","2","5","2","1","2","1") = "4"
    & skf18("1","2","5","2","1","3","1") = "4"
    & skf18("1","2","5","2","1","4","1") = "4"
    & skf18("1","2","5","2","1","5","1") = "4"
    & skf18("1","2","5","2","1","6","1") = "5"
    & skf18("1","2","5","2","1","7","1") = "6"
    & skf18("1","2","5","2","1","8","1") = "7"
    & skf18("1","2","5","2","1","9","1") = "8"
    & skf18("1","2","5","2","1","10","1") = "9"
    & skf18("1","2","5","2","2","1","1") = "4"
    & skf18("1","2","5","2","2","2","1") = "4"
    & skf18("1","2","5","2","2","3","1") = "4"
    & skf18("1","2","5","2","2","4","1") = "4"
    & skf18("1","2","5","2","2","5","1") = "4"
    & skf18("1","2","5","2","2","6","1") = "5"
    & skf18("1","2","5","2","2","7","1") = "6"
    & skf18("1","2","5","2","2","8","1") = "7"
    & skf18("1","2","5","2","2","9","1") = "8"
    & skf18("1","2","5","2","2","10","1") = "9"
    & skf18("1","2","5","2","3","1","1") = "4"
    & skf18("1","2","5","2","3","2","1") = "4"
    & skf18("1","2","5","2","3","3","1") = "4"
    & skf18("1","2","5","2","3","4","1") = "4"
    & skf18("1","2","5","2","3","5","1") = "4"
    & skf18("1","2","5","2","3","6","1") = "5"
    & skf18("1","2","5","2","3","7","1") = "6"
    & skf18("1","2","5","2","3","8","1") = "7"
    & skf18("1","2","5","2","3","9","1") = "8"
    & skf18("1","2","5","2","3","10","1") = "9"
    & skf18("1","2","5","2","4","1","1") = "4"
    & skf18("1","2","5","2","4","2","1") = "4"
    & skf18("1","2","5","2","4","3","1") = "4"
    & skf18("1","2","5","2","4","4","1") = "4"
    & skf18("1","2","5","2","4","5","1") = "4"
    & skf18("1","2","5","2","4","6","1") = "5"
    & skf18("1","2","5","2","4","7","1") = "6"
    & skf18("1","2","5","2","4","8","1") = "7"
    & skf18("1","2","5","2","4","9","1") = "8"
    & skf18("1","2","5","2","4","10","1") = "9"
    & skf18("1","2","5","2","5","1","1") = "4"
    & skf18("1","2","5","2","5","2","1") = "4"
    & skf18("1","2","5","2","5","3","1") = "4"
    & skf18("1","2","5","2","5","4","1") = "4"
    & skf18("1","2","5","2","5","5","1") = "4"
    & skf18("1","2","5","2","5","6","1") = "5"
    & skf18("1","2","5","2","5","7","1") = "6"
    & skf18("1","2","5","2","5","8","1") = "7"
    & skf18("1","2","5","2","5","9","1") = "8"
    & skf18("1","2","5","2","5","10","1") = "9"
    & skf18("1","2","5","2","6","1","1") = "5"
    & skf18("1","2","5","2","6","2","1") = "5"
    & skf18("1","2","5","2","6","3","1") = "5"
    & skf18("1","2","5","2","6","4","1") = "5"
    & skf18("1","2","5","2","6","5","1") = "5"
    & skf18("1","2","5","2","6","6","1") = "5"
    & skf18("1","2","5","2","6","7","1") = "6"
    & skf18("1","2","5","2","6","8","1") = "7"
    & skf18("1","2","5","2","6","9","1") = "8"
    & skf18("1","2","5","2","6","10","1") = "9"
    & skf18("1","2","5","2","7","1","1") = "6"
    & skf18("1","2","5","2","7","2","1") = "6"
    & skf18("1","2","5","2","7","3","1") = "6"
    & skf18("1","2","5","2","7","4","1") = "6"
    & skf18("1","2","5","2","7","5","1") = "6"
    & skf18("1","2","5","2","7","6","1") = "6"
    & skf18("1","2","5","2","7","7","1") = "6"
    & skf18("1","2","5","2","7","8","1") = "7"
    & skf18("1","2","5","2","7","9","1") = "8"
    & skf18("1","2","5","2","7","10","1") = "9"
    & skf18("1","2","5","2","8","1","1") = "7"
    & skf18("1","2","5","2","8","2","1") = "7"
    & skf18("1","2","5","2","8","3","1") = "7"
    & skf18("1","2","5","2","8","4","1") = "7"
    & skf18("1","2","5","2","8","5","1") = "7"
    & skf18("1","2","5","2","8","6","1") = "7"
    & skf18("1","2","5","2","8","7","1") = "7"
    & skf18("1","2","5","2","8","8","1") = "7"
    & skf18("1","2","5","2","8","9","1") = "8"
    & skf18("1","2","5","2","8","10","1") = "9"
    & skf18("1","2","5","2","9","1","1") = "8"
    & skf18("1","2","5","2","9","2","1") = "8"
    & skf18("1","2","5","2","9","3","1") = "8"
    & skf18("1","2","5","2","9","4","1") = "8"
    & skf18("1","2","5","2","9","5","1") = "8"
    & skf18("1","2","5","2","9","6","1") = "8"
    & skf18("1","2","5","2","9","7","1") = "8"
    & skf18("1","2","5","2","9","8","1") = "8"
    & skf18("1","2","5","2","9","9","1") = "8"
    & skf18("1","2","5","2","9","10","1") = "9"
    & skf18("1","2","5","2","10","1","1") = "9"
    & skf18("1","2","5","2","10","2","1") = "9"
    & skf18("1","2","5","2","10","3","1") = "9"
    & skf18("1","2","5","2","10","4","1") = "9"
    & skf18("1","2","5","2","10","5","1") = "9"
    & skf18("1","2","5","2","10","6","1") = "9"
    & skf18("1","2","5","2","10","7","1") = "9"
    & skf18("1","2","5","2","10","8","1") = "9"
    & skf18("1","2","5","2","10","9","1") = "9"
    & skf18("1","2","5","2","10","10","1") = "9"
    & skf18("1","2","5","3","1","1","1") = "4"
    & skf18("1","2","5","3","1","2","1") = "4"
    & skf18("1","2","5","3","1","3","1") = "4"
    & skf18("1","2","5","3","1","4","1") = "4"
    & skf18("1","2","5","3","1","5","1") = "4"
    & skf18("1","2","5","3","1","6","1") = "5"
    & skf18("1","2","5","3","1","7","1") = "6"
    & skf18("1","2","5","3","1","8","1") = "7"
    & skf18("1","2","5","3","1","9","1") = "8"
    & skf18("1","2","5","3","1","10","1") = "9"
    & skf18("1","2","5","3","2","1","1") = "4"
    & skf18("1","2","5","3","2","2","1") = "4"
    & skf18("1","2","5","3","2","3","1") = "4"
    & skf18("1","2","5","3","2","4","1") = "4"
    & skf18("1","2","5","3","2","5","1") = "4"
    & skf18("1","2","5","3","2","6","1") = "5"
    & skf18("1","2","5","3","2","7","1") = "6"
    & skf18("1","2","5","3","2","8","1") = "7"
    & skf18("1","2","5","3","2","9","1") = "8"
    & skf18("1","2","5","3","2","10","1") = "9"
    & skf18("1","2","5","3","3","1","1") = "4"
    & skf18("1","2","5","3","3","2","1") = "4"
    & skf18("1","2","5","3","3","3","1") = "4"
    & skf18("1","2","5","3","3","4","1") = "4"
    & skf18("1","2","5","3","3","5","1") = "4"
    & skf18("1","2","5","3","3","6","1") = "5"
    & skf18("1","2","5","3","3","7","1") = "6"
    & skf18("1","2","5","3","3","8","1") = "7"
    & skf18("1","2","5","3","3","9","1") = "8"
    & skf18("1","2","5","3","3","10","1") = "9"
    & skf18("1","2","5","3","4","1","1") = "4"
    & skf18("1","2","5","3","4","2","1") = "4"
    & skf18("1","2","5","3","4","3","1") = "4"
    & skf18("1","2","5","3","4","4","1") = "4"
    & skf18("1","2","5","3","4","5","1") = "4"
    & skf18("1","2","5","3","4","6","1") = "5"
    & skf18("1","2","5","3","4","7","1") = "6"
    & skf18("1","2","5","3","4","8","1") = "7"
    & skf18("1","2","5","3","4","9","1") = "8"
    & skf18("1","2","5","3","4","10","1") = "9"
    & skf18("1","2","5","3","5","1","1") = "4"
    & skf18("1","2","5","3","5","2","1") = "4"
    & skf18("1","2","5","3","5","3","1") = "4"
    & skf18("1","2","5","3","5","4","1") = "4"
    & skf18("1","2","5","3","5","5","1") = "4"
    & skf18("1","2","5","3","5","6","1") = "5"
    & skf18("1","2","5","3","5","7","1") = "6"
    & skf18("1","2","5","3","5","8","1") = "7"
    & skf18("1","2","5","3","5","9","1") = "8"
    & skf18("1","2","5","3","5","10","1") = "9"
    & skf18("1","2","5","3","6","1","1") = "5"
    & skf18("1","2","5","3","6","2","1") = "5"
    & skf18("1","2","5","3","6","3","1") = "5"
    & skf18("1","2","5","3","6","4","1") = "5"
    & skf18("1","2","5","3","6","5","1") = "5"
    & skf18("1","2","5","3","6","6","1") = "5"
    & skf18("1","2","5","3","6","7","1") = "6"
    & skf18("1","2","5","3","6","8","1") = "7"
    & skf18("1","2","5","3","6","9","1") = "8"
    & skf18("1","2","5","3","6","10","1") = "9"
    & skf18("1","2","5","3","7","1","1") = "6"
    & skf18("1","2","5","3","7","2","1") = "6"
    & skf18("1","2","5","3","7","3","1") = "6"
    & skf18("1","2","5","3","7","4","1") = "6"
    & skf18("1","2","5","3","7","5","1") = "6"
    & skf18("1","2","5","3","7","6","1") = "6"
    & skf18("1","2","5","3","7","7","1") = "6"
    & skf18("1","2","5","3","7","8","1") = "7"
    & skf18("1","2","5","3","7","9","1") = "8"
    & skf18("1","2","5","3","7","10","1") = "9"
    & skf18("1","2","5","3","8","1","1") = "7"
    & skf18("1","2","5","3","8","2","1") = "7"
    & skf18("1","2","5","3","8","3","1") = "7"
    & skf18("1","2","5","3","8","4","1") = "7"
    & skf18("1","2","5","3","8","5","1") = "7"
    & skf18("1","2","5","3","8","6","1") = "7"
    & skf18("1","2","5","3","8","7","1") = "7"
    & skf18("1","2","5","3","8","8","1") = "7"
    & skf18("1","2","5","3","8","9","1") = "8"
    & skf18("1","2","5","3","8","10","1") = "9"
    & skf18("1","2","5","3","9","1","1") = "8"
    & skf18("1","2","5","3","9","2","1") = "8"
    & skf18("1","2","5","3","9","3","1") = "8"
    & skf18("1","2","5","3","9","4","1") = "8"
    & skf18("1","2","5","3","9","5","1") = "8"
    & skf18("1","2","5","3","9","6","1") = "8"
    & skf18("1","2","5","3","9","7","1") = "8"
    & skf18("1","2","5","3","9","8","1") = "8"
    & skf18("1","2","5","3","9","9","1") = "8"
    & skf18("1","2","5","3","9","10","1") = "9"
    & skf18("1","2","5","3","10","1","1") = "9"
    & skf18("1","2","5","3","10","2","1") = "9"
    & skf18("1","2","5","3","10","3","1") = "9"
    & skf18("1","2","5","3","10","4","1") = "9"
    & skf18("1","2","5","3","10","5","1") = "9"
    & skf18("1","2","5","3","10","6","1") = "9"
    & skf18("1","2","5","3","10","7","1") = "9"
    & skf18("1","2","5","3","10","8","1") = "9"
    & skf18("1","2","5","3","10","9","1") = "9"
    & skf18("1","2","5","3","10","10","1") = "9"
    & skf18("1","2","5","4","1","1","1") = "4"
    & skf18("1","2","5","4","1","2","1") = "4"
    & skf18("1","2","5","4","1","3","1") = "4"
    & skf18("1","2","5","4","1","4","1") = "4"
    & skf18("1","2","5","4","1","5","1") = "4"
    & skf18("1","2","5","4","1","6","1") = "5"
    & skf18("1","2","5","4","1","7","1") = "6"
    & skf18("1","2","5","4","1","8","1") = "7"
    & skf18("1","2","5","4","1","9","1") = "8"
    & skf18("1","2","5","4","1","10","1") = "9"
    & skf18("1","2","5","4","2","1","1") = "4"
    & skf18("1","2","5","4","2","2","1") = "4"
    & skf18("1","2","5","4","2","3","1") = "4"
    & skf18("1","2","5","4","2","4","1") = "4"
    & skf18("1","2","5","4","2","5","1") = "4"
    & skf18("1","2","5","4","2","6","1") = "5"
    & skf18("1","2","5","4","2","7","1") = "6"
    & skf18("1","2","5","4","2","8","1") = "7"
    & skf18("1","2","5","4","2","9","1") = "8"
    & skf18("1","2","5","4","2","10","1") = "9"
    & skf18("1","2","5","4","3","1","1") = "4"
    & skf18("1","2","5","4","3","2","1") = "4"
    & skf18("1","2","5","4","3","3","1") = "4"
    & skf18("1","2","5","4","3","4","1") = "4"
    & skf18("1","2","5","4","3","5","1") = "4"
    & skf18("1","2","5","4","3","6","1") = "5"
    & skf18("1","2","5","4","3","7","1") = "6"
    & skf18("1","2","5","4","3","8","1") = "7"
    & skf18("1","2","5","4","3","9","1") = "8"
    & skf18("1","2","5","4","3","10","1") = "9"
    & skf18("1","2","5","4","4","1","1") = "4"
    & skf18("1","2","5","4","4","2","1") = "4"
    & skf18("1","2","5","4","4","3","1") = "4"
    & skf18("1","2","5","4","4","4","1") = "4"
    & skf18("1","2","5","4","4","5","1") = "4"
    & skf18("1","2","5","4","4","6","1") = "5"
    & skf18("1","2","5","4","4","7","1") = "6"
    & skf18("1","2","5","4","4","8","1") = "7"
    & skf18("1","2","5","4","4","9","1") = "8"
    & skf18("1","2","5","4","4","10","1") = "9"
    & skf18("1","2","5","4","5","1","1") = "4"
    & skf18("1","2","5","4","5","2","1") = "4"
    & skf18("1","2","5","4","5","3","1") = "4"
    & skf18("1","2","5","4","5","4","1") = "4"
    & skf18("1","2","5","4","5","5","1") = "4"
    & skf18("1","2","5","4","5","6","1") = "5"
    & skf18("1","2","5","4","5","7","1") = "6"
    & skf18("1","2","5","4","5","8","1") = "7"
    & skf18("1","2","5","4","5","9","1") = "8"
    & skf18("1","2","5","4","5","10","1") = "9"
    & skf18("1","2","5","4","6","1","1") = "5"
    & skf18("1","2","5","4","6","2","1") = "5"
    & skf18("1","2","5","4","6","3","1") = "5"
    & skf18("1","2","5","4","6","4","1") = "5"
    & skf18("1","2","5","4","6","5","1") = "5"
    & skf18("1","2","5","4","6","6","1") = "5"
    & skf18("1","2","5","4","6","7","1") = "6"
    & skf18("1","2","5","4","6","8","1") = "7"
    & skf18("1","2","5","4","6","9","1") = "8"
    & skf18("1","2","5","4","6","10","1") = "9"
    & skf18("1","2","5","4","7","1","1") = "6"
    & skf18("1","2","5","4","7","2","1") = "6"
    & skf18("1","2","5","4","7","3","1") = "6"
    & skf18("1","2","5","4","7","4","1") = "6"
    & skf18("1","2","5","4","7","5","1") = "6"
    & skf18("1","2","5","4","7","6","1") = "6"
    & skf18("1","2","5","4","7","7","1") = "6"
    & skf18("1","2","5","4","7","8","1") = "7"
    & skf18("1","2","5","4","7","9","1") = "8"
    & skf18("1","2","5","4","7","10","1") = "9"
    & skf18("1","2","5","4","8","1","1") = "7"
    & skf18("1","2","5","4","8","2","1") = "7"
    & skf18("1","2","5","4","8","3","1") = "7"
    & skf18("1","2","5","4","8","4","1") = "7"
    & skf18("1","2","5","4","8","5","1") = "7"
    & skf18("1","2","5","4","8","6","1") = "7"
    & skf18("1","2","5","4","8","7","1") = "7"
    & skf18("1","2","5","4","8","8","1") = "7"
    & skf18("1","2","5","4","8","9","1") = "8"
    & skf18("1","2","5","4","8","10","1") = "9"
    & skf18("1","2","5","4","9","1","1") = "8"
    & skf18("1","2","5","4","9","2","1") = "8"
    & skf18("1","2","5","4","9","3","1") = "8"
    & skf18("1","2","5","4","9","4","1") = "8"
    & skf18("1","2","5","4","9","5","1") = "8"
    & skf18("1","2","5","4","9","6","1") = "8"
    & skf18("1","2","5","4","9","7","1") = "8"
    & skf18("1","2","5","4","9","8","1") = "8"
    & skf18("1","2","5","4","9","9","1") = "8"
    & skf18("1","2","5","4","9","10","1") = "9"
    & skf18("1","2","5","4","10","1","1") = "9"
    & skf18("1","2","5","4","10","2","1") = "9"
    & skf18("1","2","5","4","10","3","1") = "9"
    & skf18("1","2","5","4","10","4","1") = "9"
    & skf18("1","2","5","4","10","5","1") = "9"
    & skf18("1","2","5","4","10","6","1") = "9"
    & skf18("1","2","5","4","10","7","1") = "9"
    & skf18("1","2","5","4","10","8","1") = "9"
    & skf18("1","2","5","4","10","9","1") = "9"
    & skf18("1","2","5","4","10","10","1") = "9"
    & skf18("1","2","5","5","1","1","1") = "4"
    & skf18("1","2","5","5","1","2","1") = "4"
    & skf18("1","2","5","5","1","3","1") = "4"
    & skf18("1","2","5","5","1","4","1") = "4"
    & skf18("1","2","5","5","1","5","1") = "4"
    & skf18("1","2","5","5","1","6","1") = "5"
    & skf18("1","2","5","5","1","7","1") = "6"
    & skf18("1","2","5","5","1","8","1") = "7"
    & skf18("1","2","5","5","1","9","1") = "8"
    & skf18("1","2","5","5","1","10","1") = "9"
    & skf18("1","2","5","5","2","1","1") = "4"
    & skf18("1","2","5","5","2","2","1") = "4"
    & skf18("1","2","5","5","2","3","1") = "4"
    & skf18("1","2","5","5","2","4","1") = "4"
    & skf18("1","2","5","5","2","5","1") = "4"
    & skf18("1","2","5","5","2","6","1") = "5"
    & skf18("1","2","5","5","2","7","1") = "6"
    & skf18("1","2","5","5","2","8","1") = "7"
    & skf18("1","2","5","5","2","9","1") = "8"
    & skf18("1","2","5","5","2","10","1") = "9"
    & skf18("1","2","5","5","3","1","1") = "4"
    & skf18("1","2","5","5","3","2","1") = "4"
    & skf18("1","2","5","5","3","3","1") = "4"
    & skf18("1","2","5","5","3","4","1") = "4"
    & skf18("1","2","5","5","3","5","1") = "4"
    & skf18("1","2","5","5","3","6","1") = "5"
    & skf18("1","2","5","5","3","7","1") = "6"
    & skf18("1","2","5","5","3","8","1") = "7"
    & skf18("1","2","5","5","3","9","1") = "8"
    & skf18("1","2","5","5","3","10","1") = "9"
    & skf18("1","2","5","5","4","1","1") = "4"
    & skf18("1","2","5","5","4","2","1") = "4"
    & skf18("1","2","5","5","4","3","1") = "4"
    & skf18("1","2","5","5","4","4","1") = "4"
    & skf18("1","2","5","5","4","5","1") = "4"
    & skf18("1","2","5","5","4","6","1") = "5"
    & skf18("1","2","5","5","4","7","1") = "6"
    & skf18("1","2","5","5","4","8","1") = "7"
    & skf18("1","2","5","5","4","9","1") = "8"
    & skf18("1","2","5","5","4","10","1") = "9"
    & skf18("1","2","5","5","5","1","1") = "4"
    & skf18("1","2","5","5","5","2","1") = "4"
    & skf18("1","2","5","5","5","3","1") = "4"
    & skf18("1","2","5","5","5","4","1") = "4"
    & skf18("1","2","5","5","5","5","1") = "4"
    & skf18("1","2","5","5","5","6","1") = "5"
    & skf18("1","2","5","5","5","7","1") = "6"
    & skf18("1","2","5","5","5","8","1") = "7"
    & skf18("1","2","5","5","5","9","1") = "8"
    & skf18("1","2","5","5","5","10","1") = "9"
    & skf18("1","2","5","5","6","1","1") = "5"
    & skf18("1","2","5","5","6","2","1") = "5"
    & skf18("1","2","5","5","6","3","1") = "5"
    & skf18("1","2","5","5","6","4","1") = "5"
    & skf18("1","2","5","5","6","5","1") = "5"
    & skf18("1","2","5","5","6","6","1") = "5"
    & skf18("1","2","5","5","6","7","1") = "6"
    & skf18("1","2","5","5","6","8","1") = "7"
    & skf18("1","2","5","5","6","9","1") = "8"
    & skf18("1","2","5","5","6","10","1") = "9"
    & skf18("1","2","5","5","7","1","1") = "6"
    & skf18("1","2","5","5","7","2","1") = "6"
    & skf18("1","2","5","5","7","3","1") = "6"
    & skf18("1","2","5","5","7","4","1") = "6"
    & skf18("1","2","5","5","7","5","1") = "6"
    & skf18("1","2","5","5","7","6","1") = "6"
    & skf18("1","2","5","5","7","7","1") = "6"
    & skf18("1","2","5","5","7","8","1") = "7"
    & skf18("1","2","5","5","7","9","1") = "8"
    & skf18("1","2","5","5","7","10","1") = "9"
    & skf18("1","2","5","5","8","1","1") = "7"
    & skf18("1","2","5","5","8","2","1") = "7"
    & skf18("1","2","5","5","8","3","1") = "7"
    & skf18("1","2","5","5","8","4","1") = "7"
    & skf18("1","2","5","5","8","5","1") = "7"
    & skf18("1","2","5","5","8","6","1") = "7"
    & skf18("1","2","5","5","8","7","1") = "7"
    & skf18("1","2","5","5","8","8","1") = "7"
    & skf18("1","2","5","5","8","9","1") = "8"
    & skf18("1","2","5","5","8","10","1") = "9"
    & skf18("1","2","5","5","9","1","1") = "8"
    & skf18("1","2","5","5","9","2","1") = "8"
    & skf18("1","2","5","5","9","3","1") = "8"
    & skf18("1","2","5","5","9","4","1") = "8"
    & skf18("1","2","5","5","9","5","1") = "8"
    & skf18("1","2","5","5","9","6","1") = "8"
    & skf18("1","2","5","5","9","7","1") = "8"
    & skf18("1","2","5","5","9","8","1") = "8"
    & skf18("1","2","5","5","9","9","1") = "8"
    & skf18("1","2","5","5","9","10","1") = "9"
    & skf18("1","2","5","5","10","1","1") = "9"
    & skf18("1","2","5","5","10","2","1") = "9"
    & skf18("1","2","5","5","10","3","1") = "9"
    & skf18("1","2","5","5","10","4","1") = "9"
    & skf18("1","2","5","5","10","5","1") = "9"
    & skf18("1","2","5","5","10","6","1") = "9"
    & skf18("1","2","5","5","10","7","1") = "9"
    & skf18("1","2","5","5","10","8","1") = "9"
    & skf18("1","2","5","5","10","9","1") = "9"
    & skf18("1","2","5","5","10","10","1") = "9"
    & skf18("1","2","5","6","1","1","1") = "5"
    & skf18("1","2","5","6","1","2","1") = "5"
    & skf18("1","2","5","6","1","3","1") = "5"
    & skf18("1","2","5","6","1","4","1") = "5"
    & skf18("1","2","5","6","1","5","1") = "5"
    & skf18("1","2","5","6","1","6","1") = "5"
    & skf18("1","2","5","6","1","7","1") = "6"
    & skf18("1","2","5","6","1","8","1") = "7"
    & skf18("1","2","5","6","1","9","1") = "8"
    & skf18("1","2","5","6","1","10","1") = "9"
    & skf18("1","2","5","6","2","1","1") = "5"
    & skf18("1","2","5","6","2","2","1") = "5"
    & skf18("1","2","5","6","2","3","1") = "5"
    & skf18("1","2","5","6","2","4","1") = "5"
    & skf18("1","2","5","6","2","5","1") = "5"
    & skf18("1","2","5","6","2","6","1") = "5"
    & skf18("1","2","5","6","2","7","1") = "6"
    & skf18("1","2","5","6","2","8","1") = "7"
    & skf18("1","2","5","6","2","9","1") = "8"
    & skf18("1","2","5","6","2","10","1") = "9"
    & skf18("1","2","5","6","3","1","1") = "5"
    & skf18("1","2","5","6","3","2","1") = "5"
    & skf18("1","2","5","6","3","3","1") = "5"
    & skf18("1","2","5","6","3","4","1") = "5"
    & skf18("1","2","5","6","3","5","1") = "5"
    & skf18("1","2","5","6","3","6","1") = "5"
    & skf18("1","2","5","6","3","7","1") = "6"
    & skf18("1","2","5","6","3","8","1") = "7"
    & skf18("1","2","5","6","3","9","1") = "8"
    & skf18("1","2","5","6","3","10","1") = "9"
    & skf18("1","2","5","6","4","1","1") = "5"
    & skf18("1","2","5","6","4","2","1") = "5"
    & skf18("1","2","5","6","4","3","1") = "5"
    & skf18("1","2","5","6","4","4","1") = "5"
    & skf18("1","2","5","6","4","5","1") = "5"
    & skf18("1","2","5","6","4","6","1") = "5"
    & skf18("1","2","5","6","4","7","1") = "6"
    & skf18("1","2","5","6","4","8","1") = "7"
    & skf18("1","2","5","6","4","9","1") = "8"
    & skf18("1","2","5","6","4","10","1") = "9"
    & skf18("1","2","5","6","5","1","1") = "5"
    & skf18("1","2","5","6","5","2","1") = "5"
    & skf18("1","2","5","6","5","3","1") = "5"
    & skf18("1","2","5","6","5","4","1") = "5"
    & skf18("1","2","5","6","5","5","1") = "5"
    & skf18("1","2","5","6","5","6","1") = "5"
    & skf18("1","2","5","6","5","7","1") = "6"
    & skf18("1","2","5","6","5","8","1") = "7"
    & skf18("1","2","5","6","5","9","1") = "8"
    & skf18("1","2","5","6","5","10","1") = "9"
    & skf18("1","2","5","6","6","1","1") = "5"
    & skf18("1","2","5","6","6","2","1") = "5"
    & skf18("1","2","5","6","6","3","1") = "5"
    & skf18("1","2","5","6","6","4","1") = "5"
    & skf18("1","2","5","6","6","5","1") = "5"
    & skf18("1","2","5","6","6","6","1") = "5"
    & skf18("1","2","5","6","6","7","1") = "6"
    & skf18("1","2","5","6","6","8","1") = "7"
    & skf18("1","2","5","6","6","9","1") = "8"
    & skf18("1","2","5","6","6","10","1") = "9"
    & skf18("1","2","5","6","7","1","1") = "6"
    & skf18("1","2","5","6","7","2","1") = "6"
    & skf18("1","2","5","6","7","3","1") = "6"
    & skf18("1","2","5","6","7","4","1") = "6"
    & skf18("1","2","5","6","7","5","1") = "6"
    & skf18("1","2","5","6","7","6","1") = "6"
    & skf18("1","2","5","6","7","7","1") = "6"
    & skf18("1","2","5","6","7","8","1") = "7"
    & skf18("1","2","5","6","7","9","1") = "8"
    & skf18("1","2","5","6","7","10","1") = "9"
    & skf18("1","2","5","6","8","1","1") = "7"
    & skf18("1","2","5","6","8","2","1") = "7"
    & skf18("1","2","5","6","8","3","1") = "7"
    & skf18("1","2","5","6","8","4","1") = "7"
    & skf18("1","2","5","6","8","5","1") = "7"
    & skf18("1","2","5","6","8","6","1") = "7"
    & skf18("1","2","5","6","8","7","1") = "7"
    & skf18("1","2","5","6","8","8","1") = "7"
    & skf18("1","2","5","6","8","9","1") = "8"
    & skf18("1","2","5","6","8","10","1") = "9"
    & skf18("1","2","5","6","9","1","1") = "8"
    & skf18("1","2","5","6","9","2","1") = "8"
    & skf18("1","2","5","6","9","3","1") = "8"
    & skf18("1","2","5","6","9","4","1") = "8"
    & skf18("1","2","5","6","9","5","1") = "8"
    & skf18("1","2","5","6","9","6","1") = "8"
    & skf18("1","2","5","6","9","7","1") = "8"
    & skf18("1","2","5","6","9","8","1") = "8"
    & skf18("1","2","5","6","9","9","1") = "8"
    & skf18("1","2","5","6","9","10","1") = "9"
    & skf18("1","2","5","6","10","1","1") = "9"
    & skf18("1","2","5","6","10","2","1") = "9"
    & skf18("1","2","5","6","10","3","1") = "9"
    & skf18("1","2","5","6","10","4","1") = "9"
    & skf18("1","2","5","6","10","5","1") = "9"
    & skf18("1","2","5","6","10","6","1") = "9"
    & skf18("1","2","5","6","10","7","1") = "9"
    & skf18("1","2","5","6","10","8","1") = "9"
    & skf18("1","2","5","6","10","9","1") = "9"
    & skf18("1","2","5","6","10","10","1") = "9"
    & skf18("1","2","5","7","1","1","1") = "6"
    & skf18("1","2","5","7","1","2","1") = "6"
    & skf18("1","2","5","7","1","3","1") = "6"
    & skf18("1","2","5","7","1","4","1") = "6"
    & skf18("1","2","5","7","1","5","1") = "6"
    & skf18("1","2","5","7","1","6","1") = "6"
    & skf18("1","2","5","7","1","7","1") = "6"
    & skf18("1","2","5","7","1","8","1") = "7"
    & skf18("1","2","5","7","1","9","1") = "8"
    & skf18("1","2","5","7","1","10","1") = "9"
    & skf18("1","2","5","7","2","1","1") = "6"
    & skf18("1","2","5","7","2","2","1") = "6"
    & skf18("1","2","5","7","2","3","1") = "6"
    & skf18("1","2","5","7","2","4","1") = "6"
    & skf18("1","2","5","7","2","5","1") = "6"
    & skf18("1","2","5","7","2","6","1") = "6"
    & skf18("1","2","5","7","2","7","1") = "6"
    & skf18("1","2","5","7","2","8","1") = "7"
    & skf18("1","2","5","7","2","9","1") = "8"
    & skf18("1","2","5","7","2","10","1") = "9"
    & skf18("1","2","5","7","3","1","1") = "6"
    & skf18("1","2","5","7","3","2","1") = "6"
    & skf18("1","2","5","7","3","3","1") = "6"
    & skf18("1","2","5","7","3","4","1") = "6"
    & skf18("1","2","5","7","3","5","1") = "6"
    & skf18("1","2","5","7","3","6","1") = "6"
    & skf18("1","2","5","7","3","7","1") = "6"
    & skf18("1","2","5","7","3","8","1") = "7"
    & skf18("1","2","5","7","3","9","1") = "8"
    & skf18("1","2","5","7","3","10","1") = "9"
    & skf18("1","2","5","7","4","1","1") = "6"
    & skf18("1","2","5","7","4","2","1") = "6"
    & skf18("1","2","5","7","4","3","1") = "6"
    & skf18("1","2","5","7","4","4","1") = "6"
    & skf18("1","2","5","7","4","5","1") = "6"
    & skf18("1","2","5","7","4","6","1") = "6"
    & skf18("1","2","5","7","4","7","1") = "6"
    & skf18("1","2","5","7","4","8","1") = "7"
    & skf18("1","2","5","7","4","9","1") = "8"
    & skf18("1","2","5","7","4","10","1") = "9"
    & skf18("1","2","5","7","5","1","1") = "6"
    & skf18("1","2","5","7","5","2","1") = "6"
    & skf18("1","2","5","7","5","3","1") = "6"
    & skf18("1","2","5","7","5","4","1") = "6"
    & skf18("1","2","5","7","5","5","1") = "6"
    & skf18("1","2","5","7","5","6","1") = "6"
    & skf18("1","2","5","7","5","7","1") = "6"
    & skf18("1","2","5","7","5","8","1") = "7"
    & skf18("1","2","5","7","5","9","1") = "8"
    & skf18("1","2","5","7","5","10","1") = "9"
    & skf18("1","2","5","7","6","1","1") = "6"
    & skf18("1","2","5","7","6","2","1") = "6"
    & skf18("1","2","5","7","6","3","1") = "6"
    & skf18("1","2","5","7","6","4","1") = "6"
    & skf18("1","2","5","7","6","5","1") = "6"
    & skf18("1","2","5","7","6","6","1") = "6"
    & skf18("1","2","5","7","6","7","1") = "6"
    & skf18("1","2","5","7","6","8","1") = "7"
    & skf18("1","2","5","7","6","9","1") = "8"
    & skf18("1","2","5","7","6","10","1") = "9"
    & skf18("1","2","5","7","7","1","1") = "6"
    & skf18("1","2","5","7","7","2","1") = "6"
    & skf18("1","2","5","7","7","3","1") = "6"
    & skf18("1","2","5","7","7","4","1") = "6"
    & skf18("1","2","5","7","7","5","1") = "6"
    & skf18("1","2","5","7","7","6","1") = "6"
    & skf18("1","2","5","7","7","7","1") = "6"
    & skf18("1","2","5","7","7","8","1") = "7"
    & skf18("1","2","5","7","7","9","1") = "8"
    & skf18("1","2","5","7","7","10","1") = "9"
    & skf18("1","2","5","7","8","1","1") = "7"
    & skf18("1","2","5","7","8","2","1") = "7"
    & skf18("1","2","5","7","8","3","1") = "7"
    & skf18("1","2","5","7","8","4","1") = "7"
    & skf18("1","2","5","7","8","5","1") = "7"
    & skf18("1","2","5","7","8","6","1") = "7"
    & skf18("1","2","5","7","8","7","1") = "7"
    & skf18("1","2","5","7","8","8","1") = "7"
    & skf18("1","2","5","7","8","9","1") = "8"
    & skf18("1","2","5","7","8","10","1") = "9"
    & skf18("1","2","5","7","9","1","1") = "8"
    & skf18("1","2","5","7","9","2","1") = "8"
    & skf18("1","2","5","7","9","3","1") = "8"
    & skf18("1","2","5","7","9","4","1") = "8"
    & skf18("1","2","5","7","9","5","1") = "8"
    & skf18("1","2","5","7","9","6","1") = "8"
    & skf18("1","2","5","7","9","7","1") = "8"
    & skf18("1","2","5","7","9","8","1") = "8"
    & skf18("1","2","5","7","9","9","1") = "8"
    & skf18("1","2","5","7","9","10","1") = "9"
    & skf18("1","2","5","7","10","1","1") = "9"
    & skf18("1","2","5","7","10","2","1") = "9"
    & skf18("1","2","5","7","10","3","1") = "9"
    & skf18("1","2","5","7","10","4","1") = "9"
    & skf18("1","2","5","7","10","5","1") = "9"
    & skf18("1","2","5","7","10","6","1") = "9"
    & skf18("1","2","5","7","10","7","1") = "9"
    & skf18("1","2","5","7","10","8","1") = "9"
    & skf18("1","2","5","7","10","9","1") = "9"
    & skf18("1","2","5","7","10","10","1") = "9"
    & skf18("1","2","5","8","1","1","1") = "7"
    & skf18("1","2","5","8","1","2","1") = "7"
    & skf18("1","2","5","8","1","3","1") = "7"
    & skf18("1","2","5","8","1","4","1") = "7"
    & skf18("1","2","5","8","1","5","1") = "7"
    & skf18("1","2","5","8","1","6","1") = "7"
    & skf18("1","2","5","8","1","7","1") = "7"
    & skf18("1","2","5","8","1","8","1") = "7"
    & skf18("1","2","5","8","1","9","1") = "8"
    & skf18("1","2","5","8","1","10","1") = "9"
    & skf18("1","2","5","8","2","1","1") = "7"
    & skf18("1","2","5","8","2","2","1") = "7"
    & skf18("1","2","5","8","2","3","1") = "7"
    & skf18("1","2","5","8","2","4","1") = "7"
    & skf18("1","2","5","8","2","5","1") = "7"
    & skf18("1","2","5","8","2","6","1") = "7"
    & skf18("1","2","5","8","2","7","1") = "7"
    & skf18("1","2","5","8","2","8","1") = "7"
    & skf18("1","2","5","8","2","9","1") = "8"
    & skf18("1","2","5","8","2","10","1") = "9"
    & skf18("1","2","5","8","3","1","1") = "7"
    & skf18("1","2","5","8","3","2","1") = "7"
    & skf18("1","2","5","8","3","3","1") = "7"
    & skf18("1","2","5","8","3","4","1") = "7"
    & skf18("1","2","5","8","3","5","1") = "7"
    & skf18("1","2","5","8","3","6","1") = "7"
    & skf18("1","2","5","8","3","7","1") = "7"
    & skf18("1","2","5","8","3","8","1") = "7"
    & skf18("1","2","5","8","3","9","1") = "8"
    & skf18("1","2","5","8","3","10","1") = "9"
    & skf18("1","2","5","8","4","1","1") = "7"
    & skf18("1","2","5","8","4","2","1") = "7"
    & skf18("1","2","5","8","4","3","1") = "7"
    & skf18("1","2","5","8","4","4","1") = "7"
    & skf18("1","2","5","8","4","5","1") = "7"
    & skf18("1","2","5","8","4","6","1") = "7"
    & skf18("1","2","5","8","4","7","1") = "7"
    & skf18("1","2","5","8","4","8","1") = "7"
    & skf18("1","2","5","8","4","9","1") = "8"
    & skf18("1","2","5","8","4","10","1") = "9"
    & skf18("1","2","5","8","5","1","1") = "7"
    & skf18("1","2","5","8","5","2","1") = "7"
    & skf18("1","2","5","8","5","3","1") = "7"
    & skf18("1","2","5","8","5","4","1") = "7"
    & skf18("1","2","5","8","5","5","1") = "7"
    & skf18("1","2","5","8","5","6","1") = "7"
    & skf18("1","2","5","8","5","7","1") = "7"
    & skf18("1","2","5","8","5","8","1") = "7"
    & skf18("1","2","5","8","5","9","1") = "8"
    & skf18("1","2","5","8","5","10","1") = "9"
    & skf18("1","2","5","8","6","1","1") = "7"
    & skf18("1","2","5","8","6","2","1") = "7"
    & skf18("1","2","5","8","6","3","1") = "7"
    & skf18("1","2","5","8","6","4","1") = "7"
    & skf18("1","2","5","8","6","5","1") = "7"
    & skf18("1","2","5","8","6","6","1") = "7"
    & skf18("1","2","5","8","6","7","1") = "7"
    & skf18("1","2","5","8","6","8","1") = "7"
    & skf18("1","2","5","8","6","9","1") = "8"
    & skf18("1","2","5","8","6","10","1") = "9"
    & skf18("1","2","5","8","7","1","1") = "7"
    & skf18("1","2","5","8","7","2","1") = "7"
    & skf18("1","2","5","8","7","3","1") = "7"
    & skf18("1","2","5","8","7","4","1") = "7"
    & skf18("1","2","5","8","7","5","1") = "7"
    & skf18("1","2","5","8","7","6","1") = "7"
    & skf18("1","2","5","8","7","7","1") = "7"
    & skf18("1","2","5","8","7","8","1") = "7"
    & skf18("1","2","5","8","7","9","1") = "8"
    & skf18("1","2","5","8","7","10","1") = "9"
    & skf18("1","2","5","8","8","1","1") = "7"
    & skf18("1","2","5","8","8","2","1") = "7"
    & skf18("1","2","5","8","8","3","1") = "7"
    & skf18("1","2","5","8","8","4","1") = "7"
    & skf18("1","2","5","8","8","5","1") = "7"
    & skf18("1","2","5","8","8","6","1") = "7"
    & skf18("1","2","5","8","8","7","1") = "7"
    & skf18("1","2","5","8","8","8","1") = "7"
    & skf18("1","2","5","8","8","9","1") = "8"
    & skf18("1","2","5","8","8","10","1") = "9"
    & skf18("1","2","5","8","9","1","1") = "8"
    & skf18("1","2","5","8","9","2","1") = "8"
    & skf18("1","2","5","8","9","3","1") = "8"
    & skf18("1","2","5","8","9","4","1") = "8"
    & skf18("1","2","5","8","9","5","1") = "8"
    & skf18("1","2","5","8","9","6","1") = "8"
    & skf18("1","2","5","8","9","7","1") = "8"
    & skf18("1","2","5","8","9","8","1") = "8"
    & skf18("1","2","5","8","9","9","1") = "8"
    & skf18("1","2","5","8","9","10","1") = "9"
    & skf18("1","2","5","8","10","1","1") = "9"
    & skf18("1","2","5","8","10","2","1") = "9"
    & skf18("1","2","5","8","10","3","1") = "9"
    & skf18("1","2","5","8","10","4","1") = "9"
    & skf18("1","2","5","8","10","5","1") = "9"
    & skf18("1","2","5","8","10","6","1") = "9"
    & skf18("1","2","5","8","10","7","1") = "9"
    & skf18("1","2","5","8","10","8","1") = "9"
    & skf18("1","2","5","8","10","9","1") = "9"
    & skf18("1","2","5","8","10","10","1") = "9"
    & skf18("1","2","5","9","1","1","1") = "8"
    & skf18("1","2","5","9","1","2","1") = "8"
    & skf18("1","2","5","9","1","3","1") = "8"
    & skf18("1","2","5","9","1","4","1") = "8"
    & skf18("1","2","5","9","1","5","1") = "8"
    & skf18("1","2","5","9","1","6","1") = "8"
    & skf18("1","2","5","9","1","7","1") = "8"
    & skf18("1","2","5","9","1","8","1") = "8"
    & skf18("1","2","5","9","1","9","1") = "8"
    & skf18("1","2","5","9","1","10","1") = "9"
    & skf18("1","2","5","9","2","1","1") = "8"
    & skf18("1","2","5","9","2","2","1") = "8"
    & skf18("1","2","5","9","2","3","1") = "8"
    & skf18("1","2","5","9","2","4","1") = "8"
    & skf18("1","2","5","9","2","5","1") = "8"
    & skf18("1","2","5","9","2","6","1") = "8"
    & skf18("1","2","5","9","2","7","1") = "8"
    & skf18("1","2","5","9","2","8","1") = "8"
    & skf18("1","2","5","9","2","9","1") = "8"
    & skf18("1","2","5","9","2","10","1") = "9"
    & skf18("1","2","5","9","3","1","1") = "8"
    & skf18("1","2","5","9","3","2","1") = "8"
    & skf18("1","2","5","9","3","3","1") = "8"
    & skf18("1","2","5","9","3","4","1") = "8"
    & skf18("1","2","5","9","3","5","1") = "8"
    & skf18("1","2","5","9","3","6","1") = "8"
    & skf18("1","2","5","9","3","7","1") = "8"
    & skf18("1","2","5","9","3","8","1") = "8"
    & skf18("1","2","5","9","3","9","1") = "8"
    & skf18("1","2","5","9","3","10","1") = "9"
    & skf18("1","2","5","9","4","1","1") = "8"
    & skf18("1","2","5","9","4","2","1") = "8"
    & skf18("1","2","5","9","4","3","1") = "8"
    & skf18("1","2","5","9","4","4","1") = "8"
    & skf18("1","2","5","9","4","5","1") = "8"
    & skf18("1","2","5","9","4","6","1") = "8"
    & skf18("1","2","5","9","4","7","1") = "8"
    & skf18("1","2","5","9","4","8","1") = "8"
    & skf18("1","2","5","9","4","9","1") = "8"
    & skf18("1","2","5","9","4","10","1") = "9"
    & skf18("1","2","5","9","5","1","1") = "8"
    & skf18("1","2","5","9","5","2","1") = "8"
    & skf18("1","2","5","9","5","3","1") = "8"
    & skf18("1","2","5","9","5","4","1") = "8"
    & skf18("1","2","5","9","5","5","1") = "8"
    & skf18("1","2","5","9","5","6","1") = "8"
    & skf18("1","2","5","9","5","7","1") = "8"
    & skf18("1","2","5","9","5","8","1") = "8"
    & skf18("1","2","5","9","5","9","1") = "8"
    & skf18("1","2","5","9","5","10","1") = "9"
    & skf18("1","2","5","9","6","1","1") = "8"
    & skf18("1","2","5","9","6","2","1") = "8"
    & skf18("1","2","5","9","6","3","1") = "8"
    & skf18("1","2","5","9","6","4","1") = "8"
    & skf18("1","2","5","9","6","5","1") = "8"
    & skf18("1","2","5","9","6","6","1") = "8"
    & skf18("1","2","5","9","6","7","1") = "8"
    & skf18("1","2","5","9","6","8","1") = "8"
    & skf18("1","2","5","9","6","9","1") = "8"
    & skf18("1","2","5","9","6","10","1") = "9"
    & skf18("1","2","5","9","7","1","1") = "8"
    & skf18("1","2","5","9","7","2","1") = "8"
    & skf18("1","2","5","9","7","3","1") = "8"
    & skf18("1","2","5","9","7","4","1") = "8"
    & skf18("1","2","5","9","7","5","1") = "8"
    & skf18("1","2","5","9","7","6","1") = "8"
    & skf18("1","2","5","9","7","7","1") = "8"
    & skf18("1","2","5","9","7","8","1") = "8"
    & skf18("1","2","5","9","7","9","1") = "8"
    & skf18("1","2","5","9","7","10","1") = "9"
    & skf18("1","2","5","9","8","1","1") = "8"
    & skf18("1","2","5","9","8","2","1") = "8"
    & skf18("1","2","5","9","8","3","1") = "8"
    & skf18("1","2","5","9","8","4","1") = "8"
    & skf18("1","2","5","9","8","5","1") = "8"
    & skf18("1","2","5","9","8","6","1") = "8"
    & skf18("1","2","5","9","8","7","1") = "8"
    & skf18("1","2","5","9","8","8","1") = "8"
    & skf18("1","2","5","9","8","9","1") = "8"
    & skf18("1","2","5","9","8","10","1") = "9"
    & skf18("1","2","5","9","9","1","1") = "8"
    & skf18("1","2","5","9","9","2","1") = "8"
    & skf18("1","2","5","9","9","3","1") = "8"
    & skf18("1","2","5","9","9","4","1") = "8"
    & skf18("1","2","5","9","9","5","1") = "8"
    & skf18("1","2","5","9","9","6","1") = "8"
    & skf18("1","2","5","9","9","7","1") = "8"
    & skf18("1","2","5","9","9","8","1") = "8"
    & skf18("1","2","5","9","9","9","1") = "8"
    & skf18("1","2","5","9","9","10","1") = "9"
    & skf18("1","2","5","9","10","1","1") = "9"
    & skf18("1","2","5","9","10","2","1") = "9"
    & skf18("1","2","5","9","10","3","1") = "9"
    & skf18("1","2","5","9","10","4","1") = "9"
    & skf18("1","2","5","9","10","5","1") = "9"
    & skf18("1","2","5","9","10","6","1") = "9"
    & skf18("1","2","5","9","10","7","1") = "9"
    & skf18("1","2","5","9","10","8","1") = "9"
    & skf18("1","2","5","9","10","9","1") = "9"
    & skf18("1","2","5","9","10","10","1") = "9"
    & skf18("1","2","5","10","1","1","1") = "9"
    & skf18("1","2","5","10","1","2","1") = "9"
    & skf18("1","2","5","10","1","3","1") = "9"
    & skf18("1","2","5","10","1","4","1") = "9"
    & skf18("1","2","5","10","1","5","1") = "9"
    & skf18("1","2","5","10","1","6","1") = "9"
    & skf18("1","2","5","10","1","7","1") = "9"
    & skf18("1","2","5","10","1","8","1") = "9"
    & skf18("1","2","5","10","1","9","1") = "9"
    & skf18("1","2","5","10","1","10","1") = "9"
    & skf18("1","2","5","10","2","1","1") = "9"
    & skf18("1","2","5","10","2","2","1") = "9"
    & skf18("1","2","5","10","2","3","1") = "9"
    & skf18("1","2","5","10","2","4","1") = "9"
    & skf18("1","2","5","10","2","5","1") = "9"
    & skf18("1","2","5","10","2","6","1") = "9"
    & skf18("1","2","5","10","2","7","1") = "9"
    & skf18("1","2","5","10","2","8","1") = "9"
    & skf18("1","2","5","10","2","9","1") = "9"
    & skf18("1","2","5","10","2","10","1") = "9"
    & skf18("1","2","5","10","3","1","1") = "9"
    & skf18("1","2","5","10","3","2","1") = "9"
    & skf18("1","2","5","10","3","3","1") = "9"
    & skf18("1","2","5","10","3","4","1") = "9"
    & skf18("1","2","5","10","3","5","1") = "9"
    & skf18("1","2","5","10","3","6","1") = "9"
    & skf18("1","2","5","10","3","7","1") = "9"
    & skf18("1","2","5","10","3","8","1") = "9"
    & skf18("1","2","5","10","3","9","1") = "9"
    & skf18("1","2","5","10","3","10","1") = "9"
    & skf18("1","2","5","10","4","1","1") = "9"
    & skf18("1","2","5","10","4","2","1") = "9"
    & skf18("1","2","5","10","4","3","1") = "9"
    & skf18("1","2","5","10","4","4","1") = "9"
    & skf18("1","2","5","10","4","5","1") = "9"
    & skf18("1","2","5","10","4","6","1") = "9"
    & skf18("1","2","5","10","4","7","1") = "9"
    & skf18("1","2","5","10","4","8","1") = "9"
    & skf18("1","2","5","10","4","9","1") = "9"
    & skf18("1","2","5","10","4","10","1") = "9"
    & skf18("1","2","5","10","5","1","1") = "9"
    & skf18("1","2","5","10","5","2","1") = "9"
    & skf18("1","2","5","10","5","3","1") = "9"
    & skf18("1","2","5","10","5","4","1") = "9"
    & skf18("1","2","5","10","5","5","1") = "9"
    & skf18("1","2","5","10","5","6","1") = "9"
    & skf18("1","2","5","10","5","7","1") = "9"
    & skf18("1","2","5","10","5","8","1") = "9"
    & skf18("1","2","5","10","5","9","1") = "9"
    & skf18("1","2","5","10","5","10","1") = "9"
    & skf18("1","2","5","10","6","1","1") = "9"
    & skf18("1","2","5","10","6","2","1") = "9"
    & skf18("1","2","5","10","6","3","1") = "9"
    & skf18("1","2","5","10","6","4","1") = "9"
    & skf18("1","2","5","10","6","5","1") = "9"
    & skf18("1","2","5","10","6","6","1") = "9"
    & skf18("1","2","5","10","6","7","1") = "9"
    & skf18("1","2","5","10","6","8","1") = "9"
    & skf18("1","2","5","10","6","9","1") = "9"
    & skf18("1","2","5","10","6","10","1") = "9"
    & skf18("1","2","5","10","7","1","1") = "9"
    & skf18("1","2","5","10","7","2","1") = "9"
    & skf18("1","2","5","10","7","3","1") = "9"
    & skf18("1","2","5","10","7","4","1") = "9"
    & skf18("1","2","5","10","7","5","1") = "9"
    & skf18("1","2","5","10","7","6","1") = "9"
    & skf18("1","2","5","10","7","7","1") = "9"
    & skf18("1","2","5","10","7","8","1") = "9"
    & skf18("1","2","5","10","7","9","1") = "9"
    & skf18("1","2","5","10","7","10","1") = "9"
    & skf18("1","2","5","10","8","1","1") = "9"
    & skf18("1","2","5","10","8","2","1") = "9"
    & skf18("1","2","5","10","8","3","1") = "9"
    & skf18("1","2","5","10","8","4","1") = "9"
    & skf18("1","2","5","10","8","5","1") = "9"
    & skf18("1","2","5","10","8","6","1") = "9"
    & skf18("1","2","5","10","8","7","1") = "9"
    & skf18("1","2","5","10","8","8","1") = "9"
    & skf18("1","2","5","10","8","9","1") = "9"
    & skf18("1","2","5","10","8","10","1") = "9"
    & skf18("1","2","5","10","9","1","1") = "9"
    & skf18("1","2","5","10","9","2","1") = "9"
    & skf18("1","2","5","10","9","3","1") = "9"
    & skf18("1","2","5","10","9","4","1") = "9"
    & skf18("1","2","5","10","9","5","1") = "9"
    & skf18("1","2","5","10","9","6","1") = "9"
    & skf18("1","2","5","10","9","7","1") = "9"
    & skf18("1","2","5","10","9","8","1") = "9"
    & skf18("1","2","5","10","9","9","1") = "9"
    & skf18("1","2","5","10","9","10","1") = "9"
    & skf18("1","2","5","10","10","1","1") = "9"
    & skf18("1","2","5","10","10","2","1") = "9"
    & skf18("1","2","5","10","10","3","1") = "9"
    & skf18("1","2","5","10","10","4","1") = "9"
    & skf18("1","2","5","10","10","5","1") = "9"
    & skf18("1","2","5","10","10","6","1") = "9"
    & skf18("1","2","5","10","10","7","1") = "9"
    & skf18("1","2","5","10","10","8","1") = "9"
    & skf18("1","2","5","10","10","9","1") = "9"
    & skf18("1","2","5","10","10","10","1") = "9"
    & skf18("1","2","6","1","1","1","1") = "5"
    & skf18("1","2","6","1","1","2","1") = "5"
    & skf18("1","2","6","1","1","3","1") = "5"
    & skf18("1","2","6","1","1","4","1") = "5"
    & skf18("1","2","6","1","1","5","1") = "5"
    & skf18("1","2","6","1","1","6","1") = "5"
    & skf18("1","2","6","1","1","7","1") = "6"
    & skf18("1","2","6","1","1","8","1") = "7"
    & skf18("1","2","6","1","1","9","1") = "8"
    & skf18("1","2","6","1","1","10","1") = "9"
    & skf18("1","2","6","1","2","1","1") = "5"
    & skf18("1","2","6","1","2","2","1") = "5"
    & skf18("1","2","6","1","2","3","1") = "5"
    & skf18("1","2","6","1","2","4","1") = "5"
    & skf18("1","2","6","1","2","5","1") = "5"
    & skf18("1","2","6","1","2","6","1") = "5"
    & skf18("1","2","6","1","2","7","1") = "6"
    & skf18("1","2","6","1","2","8","1") = "7"
    & skf18("1","2","6","1","2","9","1") = "8"
    & skf18("1","2","6","1","2","10","1") = "9"
    & skf18("1","2","6","1","3","1","1") = "5"
    & skf18("1","2","6","1","3","2","1") = "5"
    & skf18("1","2","6","1","3","3","1") = "5"
    & skf18("1","2","6","1","3","4","1") = "5"
    & skf18("1","2","6","1","3","5","1") = "5"
    & skf18("1","2","6","1","3","6","1") = "5"
    & skf18("1","2","6","1","3","7","1") = "6"
    & skf18("1","2","6","1","3","8","1") = "7"
    & skf18("1","2","6","1","3","9","1") = "8"
    & skf18("1","2","6","1","3","10","1") = "9"
    & skf18("1","2","6","1","4","1","1") = "5"
    & skf18("1","2","6","1","4","2","1") = "5"
    & skf18("1","2","6","1","4","3","1") = "5"
    & skf18("1","2","6","1","4","4","1") = "5"
    & skf18("1","2","6","1","4","5","1") = "5"
    & skf18("1","2","6","1","4","6","1") = "5"
    & skf18("1","2","6","1","4","7","1") = "6"
    & skf18("1","2","6","1","4","8","1") = "7"
    & skf18("1","2","6","1","4","9","1") = "8"
    & skf18("1","2","6","1","4","10","1") = "9"
    & skf18("1","2","6","1","5","1","1") = "5"
    & skf18("1","2","6","1","5","2","1") = "5"
    & skf18("1","2","6","1","5","3","1") = "5"
    & skf18("1","2","6","1","5","4","1") = "5"
    & skf18("1","2","6","1","5","5","1") = "5"
    & skf18("1","2","6","1","5","6","1") = "5"
    & skf18("1","2","6","1","5","7","1") = "6"
    & skf18("1","2","6","1","5","8","1") = "7"
    & skf18("1","2","6","1","5","9","1") = "8"
    & skf18("1","2","6","1","5","10","1") = "9"
    & skf18("1","2","6","1","6","1","1") = "5"
    & skf18("1","2","6","1","6","2","1") = "5"
    & skf18("1","2","6","1","6","3","1") = "5"
    & skf18("1","2","6","1","6","4","1") = "5"
    & skf18("1","2","6","1","6","5","1") = "5"
    & skf18("1","2","6","1","6","6","1") = "5"
    & skf18("1","2","6","1","6","7","1") = "6"
    & skf18("1","2","6","1","6","8","1") = "7"
    & skf18("1","2","6","1","6","9","1") = "8"
    & skf18("1","2","6","1","6","10","1") = "9"
    & skf18("1","2","6","1","7","1","1") = "6"
    & skf18("1","2","6","1","7","2","1") = "6"
    & skf18("1","2","6","1","7","3","1") = "6"
    & skf18("1","2","6","1","7","4","1") = "6"
    & skf18("1","2","6","1","7","5","1") = "6"
    & skf18("1","2","6","1","7","6","1") = "6"
    & skf18("1","2","6","1","7","7","1") = "6"
    & skf18("1","2","6","1","7","8","1") = "7"
    & skf18("1","2","6","1","7","9","1") = "8"
    & skf18("1","2","6","1","7","10","1") = "9"
    & skf18("1","2","6","1","8","1","1") = "7"
    & skf18("1","2","6","1","8","2","1") = "7"
    & skf18("1","2","6","1","8","3","1") = "7"
    & skf18("1","2","6","1","8","4","1") = "7"
    & skf18("1","2","6","1","8","5","1") = "7"
    & skf18("1","2","6","1","8","6","1") = "7"
    & skf18("1","2","6","1","8","7","1") = "7"
    & skf18("1","2","6","1","8","8","1") = "7"
    & skf18("1","2","6","1","8","9","1") = "8"
    & skf18("1","2","6","1","8","10","1") = "9"
    & skf18("1","2","6","1","9","1","1") = "8"
    & skf18("1","2","6","1","9","2","1") = "8"
    & skf18("1","2","6","1","9","3","1") = "8"
    & skf18("1","2","6","1","9","4","1") = "8"
    & skf18("1","2","6","1","9","5","1") = "8"
    & skf18("1","2","6","1","9","6","1") = "8"
    & skf18("1","2","6","1","9","7","1") = "8"
    & skf18("1","2","6","1","9","8","1") = "8"
    & skf18("1","2","6","1","9","9","1") = "8"
    & skf18("1","2","6","1","9","10","1") = "9"
    & skf18("1","2","6","1","10","1","1") = "9"
    & skf18("1","2","6","1","10","2","1") = "9"
    & skf18("1","2","6","1","10","3","1") = "9"
    & skf18("1","2","6","1","10","4","1") = "9"
    & skf18("1","2","6","1","10","5","1") = "9"
    & skf18("1","2","6","1","10","6","1") = "9"
    & skf18("1","2","6","1","10","7","1") = "9"
    & skf18("1","2","6","1","10","8","1") = "9"
    & skf18("1","2","6","1","10","9","1") = "9"
    & skf18("1","2","6","1","10","10","1") = "9"
    & skf18("1","2","6","2","1","1","1") = "5"
    & skf18("1","2","6","2","1","2","1") = "5"
    & skf18("1","2","6","2","1","3","1") = "5"
    & skf18("1","2","6","2","1","4","1") = "5"
    & skf18("1","2","6","2","1","5","1") = "5"
    & skf18("1","2","6","2","1","6","1") = "5"
    & skf18("1","2","6","2","1","7","1") = "6"
    & skf18("1","2","6","2","1","8","1") = "7"
    & skf18("1","2","6","2","1","9","1") = "8"
    & skf18("1","2","6","2","1","10","1") = "9"
    & skf18("1","2","6","2","2","1","1") = "5"
    & skf18("1","2","6","2","2","2","1") = "5"
    & skf18("1","2","6","2","2","3","1") = "5"
    & skf18("1","2","6","2","2","4","1") = "5"
    & skf18("1","2","6","2","2","5","1") = "5"
    & skf18("1","2","6","2","2","6","1") = "5"
    & skf18("1","2","6","2","2","7","1") = "6"
    & skf18("1","2","6","2","2","8","1") = "7"
    & skf18("1","2","6","2","2","9","1") = "8"
    & skf18("1","2","6","2","2","10","1") = "9"
    & skf18("1","2","6","2","3","1","1") = "5"
    & skf18("1","2","6","2","3","2","1") = "5"
    & skf18("1","2","6","2","3","3","1") = "5"
    & skf18("1","2","6","2","3","4","1") = "5"
    & skf18("1","2","6","2","3","5","1") = "5"
    & skf18("1","2","6","2","3","6","1") = "5"
    & skf18("1","2","6","2","3","7","1") = "6"
    & skf18("1","2","6","2","3","8","1") = "7"
    & skf18("1","2","6","2","3","9","1") = "8"
    & skf18("1","2","6","2","3","10","1") = "9"
    & skf18("1","2","6","2","4","1","1") = "5"
    & skf18("1","2","6","2","4","2","1") = "5"
    & skf18("1","2","6","2","4","3","1") = "5"
    & skf18("1","2","6","2","4","4","1") = "5"
    & skf18("1","2","6","2","4","5","1") = "5"
    & skf18("1","2","6","2","4","6","1") = "5"
    & skf18("1","2","6","2","4","7","1") = "6"
    & skf18("1","2","6","2","4","8","1") = "7"
    & skf18("1","2","6","2","4","9","1") = "8"
    & skf18("1","2","6","2","4","10","1") = "9"
    & skf18("1","2","6","2","5","1","1") = "5"
    & skf18("1","2","6","2","5","2","1") = "5"
    & skf18("1","2","6","2","5","3","1") = "5"
    & skf18("1","2","6","2","5","4","1") = "5"
    & skf18("1","2","6","2","5","5","1") = "5"
    & skf18("1","2","6","2","5","6","1") = "5"
    & skf18("1","2","6","2","5","7","1") = "6"
    & skf18("1","2","6","2","5","8","1") = "7"
    & skf18("1","2","6","2","5","9","1") = "8"
    & skf18("1","2","6","2","5","10","1") = "9"
    & skf18("1","2","6","2","6","1","1") = "5"
    & skf18("1","2","6","2","6","2","1") = "5"
    & skf18("1","2","6","2","6","3","1") = "5"
    & skf18("1","2","6","2","6","4","1") = "5"
    & skf18("1","2","6","2","6","5","1") = "5"
    & skf18("1","2","6","2","6","6","1") = "5"
    & skf18("1","2","6","2","6","7","1") = "6"
    & skf18("1","2","6","2","6","8","1") = "7"
    & skf18("1","2","6","2","6","9","1") = "8"
    & skf18("1","2","6","2","6","10","1") = "9"
    & skf18("1","2","6","2","7","1","1") = "6"
    & skf18("1","2","6","2","7","2","1") = "6"
    & skf18("1","2","6","2","7","3","1") = "6"
    & skf18("1","2","6","2","7","4","1") = "6"
    & skf18("1","2","6","2","7","5","1") = "6"
    & skf18("1","2","6","2","7","6","1") = "6"
    & skf18("1","2","6","2","7","7","1") = "6"
    & skf18("1","2","6","2","7","8","1") = "7"
    & skf18("1","2","6","2","7","9","1") = "8"
    & skf18("1","2","6","2","7","10","1") = "9"
    & skf18("1","2","6","2","8","1","1") = "7"
    & skf18("1","2","6","2","8","2","1") = "7"
    & skf18("1","2","6","2","8","3","1") = "7"
    & skf18("1","2","6","2","8","4","1") = "7"
    & skf18("1","2","6","2","8","5","1") = "7"
    & skf18("1","2","6","2","8","6","1") = "7"
    & skf18("1","2","6","2","8","7","1") = "7"
    & skf18("1","2","6","2","8","8","1") = "7"
    & skf18("1","2","6","2","8","9","1") = "8"
    & skf18("1","2","6","2","8","10","1") = "9"
    & skf18("1","2","6","2","9","1","1") = "8"
    & skf18("1","2","6","2","9","2","1") = "8"
    & skf18("1","2","6","2","9","3","1") = "8"
    & skf18("1","2","6","2","9","4","1") = "8"
    & skf18("1","2","6","2","9","5","1") = "8"
    & skf18("1","2","6","2","9","6","1") = "8"
    & skf18("1","2","6","2","9","7","1") = "8"
    & skf18("1","2","6","2","9","8","1") = "8"
    & skf18("1","2","6","2","9","9","1") = "8"
    & skf18("1","2","6","2","9","10","1") = "9"
    & skf18("1","2","6","2","10","1","1") = "9"
    & skf18("1","2","6","2","10","2","1") = "9"
    & skf18("1","2","6","2","10","3","1") = "9"
    & skf18("1","2","6","2","10","4","1") = "9"
    & skf18("1","2","6","2","10","5","1") = "9"
    & skf18("1","2","6","2","10","6","1") = "9"
    & skf18("1","2","6","2","10","7","1") = "9"
    & skf18("1","2","6","2","10","8","1") = "9"
    & skf18("1","2","6","2","10","9","1") = "9"
    & skf18("1","2","6","2","10","10","1") = "9"
    & skf18("1","2","6","3","1","1","1") = "5"
    & skf18("1","2","6","3","1","2","1") = "5"
    & skf18("1","2","6","3","1","3","1") = "5"
    & skf18("1","2","6","3","1","4","1") = "5"
    & skf18("1","2","6","3","1","5","1") = "5"
    & skf18("1","2","6","3","1","6","1") = "5"
    & skf18("1","2","6","3","1","7","1") = "6"
    & skf18("1","2","6","3","1","8","1") = "7"
    & skf18("1","2","6","3","1","9","1") = "8"
    & skf18("1","2","6","3","1","10","1") = "9"
    & skf18("1","2","6","3","2","1","1") = "5"
    & skf18("1","2","6","3","2","2","1") = "5"
    & skf18("1","2","6","3","2","3","1") = "5"
    & skf18("1","2","6","3","2","4","1") = "5"
    & skf18("1","2","6","3","2","5","1") = "5"
    & skf18("1","2","6","3","2","6","1") = "5"
    & skf18("1","2","6","3","2","7","1") = "6"
    & skf18("1","2","6","3","2","8","1") = "7"
    & skf18("1","2","6","3","2","9","1") = "8"
    & skf18("1","2","6","3","2","10","1") = "9"
    & skf18("1","2","6","3","3","1","1") = "5"
    & skf18("1","2","6","3","3","2","1") = "5"
    & skf18("1","2","6","3","3","3","1") = "5"
    & skf18("1","2","6","3","3","4","1") = "5"
    & skf18("1","2","6","3","3","5","1") = "5"
    & skf18("1","2","6","3","3","6","1") = "5"
    & skf18("1","2","6","3","3","7","1") = "6"
    & skf18("1","2","6","3","3","8","1") = "7"
    & skf18("1","2","6","3","3","9","1") = "8"
    & skf18("1","2","6","3","3","10","1") = "9"
    & skf18("1","2","6","3","4","1","1") = "5"
    & skf18("1","2","6","3","4","2","1") = "5"
    & skf18("1","2","6","3","4","3","1") = "5"
    & skf18("1","2","6","3","4","4","1") = "5"
    & skf18("1","2","6","3","4","5","1") = "5"
    & skf18("1","2","6","3","4","6","1") = "5"
    & skf18("1","2","6","3","4","7","1") = "6"
    & skf18("1","2","6","3","4","8","1") = "7"
    & skf18("1","2","6","3","4","9","1") = "8"
    & skf18("1","2","6","3","4","10","1") = "9"
    & skf18("1","2","6","3","5","1","1") = "5"
    & skf18("1","2","6","3","5","2","1") = "5"
    & skf18("1","2","6","3","5","3","1") = "5"
    & skf18("1","2","6","3","5","4","1") = "5"
    & skf18("1","2","6","3","5","5","1") = "5"
    & skf18("1","2","6","3","5","6","1") = "5"
    & skf18("1","2","6","3","5","7","1") = "6"
    & skf18("1","2","6","3","5","8","1") = "7"
    & skf18("1","2","6","3","5","9","1") = "8"
    & skf18("1","2","6","3","5","10","1") = "9"
    & skf18("1","2","6","3","6","1","1") = "5"
    & skf18("1","2","6","3","6","2","1") = "5"
    & skf18("1","2","6","3","6","3","1") = "5"
    & skf18("1","2","6","3","6","4","1") = "5"
    & skf18("1","2","6","3","6","5","1") = "5"
    & skf18("1","2","6","3","6","6","1") = "5"
    & skf18("1","2","6","3","6","7","1") = "6"
    & skf18("1","2","6","3","6","8","1") = "7"
    & skf18("1","2","6","3","6","9","1") = "8"
    & skf18("1","2","6","3","6","10","1") = "9"
    & skf18("1","2","6","3","7","1","1") = "6"
    & skf18("1","2","6","3","7","2","1") = "6"
    & skf18("1","2","6","3","7","3","1") = "6"
    & skf18("1","2","6","3","7","4","1") = "6"
    & skf18("1","2","6","3","7","5","1") = "6"
    & skf18("1","2","6","3","7","6","1") = "6"
    & skf18("1","2","6","3","7","7","1") = "6"
    & skf18("1","2","6","3","7","8","1") = "7"
    & skf18("1","2","6","3","7","9","1") = "8"
    & skf18("1","2","6","3","7","10","1") = "9"
    & skf18("1","2","6","3","8","1","1") = "7"
    & skf18("1","2","6","3","8","2","1") = "7"
    & skf18("1","2","6","3","8","3","1") = "7"
    & skf18("1","2","6","3","8","4","1") = "7"
    & skf18("1","2","6","3","8","5","1") = "7"
    & skf18("1","2","6","3","8","6","1") = "7"
    & skf18("1","2","6","3","8","7","1") = "7"
    & skf18("1","2","6","3","8","8","1") = "7"
    & skf18("1","2","6","3","8","9","1") = "8"
    & skf18("1","2","6","3","8","10","1") = "9"
    & skf18("1","2","6","3","9","1","1") = "8"
    & skf18("1","2","6","3","9","2","1") = "8"
    & skf18("1","2","6","3","9","3","1") = "8"
    & skf18("1","2","6","3","9","4","1") = "8"
    & skf18("1","2","6","3","9","5","1") = "8"
    & skf18("1","2","6","3","9","6","1") = "8"
    & skf18("1","2","6","3","9","7","1") = "8"
    & skf18("1","2","6","3","9","8","1") = "8"
    & skf18("1","2","6","3","9","9","1") = "8"
    & skf18("1","2","6","3","9","10","1") = "9"
    & skf18("1","2","6","3","10","1","1") = "9"
    & skf18("1","2","6","3","10","2","1") = "9"
    & skf18("1","2","6","3","10","3","1") = "9"
    & skf18("1","2","6","3","10","4","1") = "9"
    & skf18("1","2","6","3","10","5","1") = "9"
    & skf18("1","2","6","3","10","6","1") = "9"
    & skf18("1","2","6","3","10","7","1") = "9"
    & skf18("1","2","6","3","10","8","1") = "9"
    & skf18("1","2","6","3","10","9","1") = "9"
    & skf18("1","2","6","3","10","10","1") = "9"
    & skf18("1","2","6","4","1","1","1") = "5"
    & skf18("1","2","6","4","1","2","1") = "5"
    & skf18("1","2","6","4","1","3","1") = "5"
    & skf18("1","2","6","4","1","4","1") = "5"
    & skf18("1","2","6","4","1","5","1") = "5"
    & skf18("1","2","6","4","1","6","1") = "5"
    & skf18("1","2","6","4","1","7","1") = "6"
    & skf18("1","2","6","4","1","8","1") = "7"
    & skf18("1","2","6","4","1","9","1") = "8"
    & skf18("1","2","6","4","1","10","1") = "9"
    & skf18("1","2","6","4","2","1","1") = "5"
    & skf18("1","2","6","4","2","2","1") = "5"
    & skf18("1","2","6","4","2","3","1") = "5"
    & skf18("1","2","6","4","2","4","1") = "5"
    & skf18("1","2","6","4","2","5","1") = "5"
    & skf18("1","2","6","4","2","6","1") = "5"
    & skf18("1","2","6","4","2","7","1") = "6"
    & skf18("1","2","6","4","2","8","1") = "7"
    & skf18("1","2","6","4","2","9","1") = "8"
    & skf18("1","2","6","4","2","10","1") = "9"
    & skf18("1","2","6","4","3","1","1") = "5"
    & skf18("1","2","6","4","3","2","1") = "5"
    & skf18("1","2","6","4","3","3","1") = "5"
    & skf18("1","2","6","4","3","4","1") = "5"
    & skf18("1","2","6","4","3","5","1") = "5"
    & skf18("1","2","6","4","3","6","1") = "5"
    & skf18("1","2","6","4","3","7","1") = "6"
    & skf18("1","2","6","4","3","8","1") = "7"
    & skf18("1","2","6","4","3","9","1") = "8"
    & skf18("1","2","6","4","3","10","1") = "9"
    & skf18("1","2","6","4","4","1","1") = "5"
    & skf18("1","2","6","4","4","2","1") = "5"
    & skf18("1","2","6","4","4","3","1") = "5"
    & skf18("1","2","6","4","4","4","1") = "5"
    & skf18("1","2","6","4","4","5","1") = "5"
    & skf18("1","2","6","4","4","6","1") = "5"
    & skf18("1","2","6","4","4","7","1") = "6"
    & skf18("1","2","6","4","4","8","1") = "7"
    & skf18("1","2","6","4","4","9","1") = "8"
    & skf18("1","2","6","4","4","10","1") = "9"
    & skf18("1","2","6","4","5","1","1") = "5"
    & skf18("1","2","6","4","5","2","1") = "5"
    & skf18("1","2","6","4","5","3","1") = "5"
    & skf18("1","2","6","4","5","4","1") = "5"
    & skf18("1","2","6","4","5","5","1") = "5"
    & skf18("1","2","6","4","5","6","1") = "5"
    & skf18("1","2","6","4","5","7","1") = "6"
    & skf18("1","2","6","4","5","8","1") = "7"
    & skf18("1","2","6","4","5","9","1") = "8"
    & skf18("1","2","6","4","5","10","1") = "9"
    & skf18("1","2","6","4","6","1","1") = "5"
    & skf18("1","2","6","4","6","2","1") = "5"
    & skf18("1","2","6","4","6","3","1") = "5"
    & skf18("1","2","6","4","6","4","1") = "5"
    & skf18("1","2","6","4","6","5","1") = "5"
    & skf18("1","2","6","4","6","6","1") = "5"
    & skf18("1","2","6","4","6","7","1") = "6"
    & skf18("1","2","6","4","6","8","1") = "7"
    & skf18("1","2","6","4","6","9","1") = "8"
    & skf18("1","2","6","4","6","10","1") = "9"
    & skf18("1","2","6","4","7","1","1") = "6"
    & skf18("1","2","6","4","7","2","1") = "6"
    & skf18("1","2","6","4","7","3","1") = "6"
    & skf18("1","2","6","4","7","4","1") = "6"
    & skf18("1","2","6","4","7","5","1") = "6"
    & skf18("1","2","6","4","7","6","1") = "6"
    & skf18("1","2","6","4","7","7","1") = "6"
    & skf18("1","2","6","4","7","8","1") = "7"
    & skf18("1","2","6","4","7","9","1") = "8"
    & skf18("1","2","6","4","7","10","1") = "9"
    & skf18("1","2","6","4","8","1","1") = "7"
    & skf18("1","2","6","4","8","2","1") = "7"
    & skf18("1","2","6","4","8","3","1") = "7"
    & skf18("1","2","6","4","8","4","1") = "7"
    & skf18("1","2","6","4","8","5","1") = "7"
    & skf18("1","2","6","4","8","6","1") = "7"
    & skf18("1","2","6","4","8","7","1") = "7"
    & skf18("1","2","6","4","8","8","1") = "7"
    & skf18("1","2","6","4","8","9","1") = "8"
    & skf18("1","2","6","4","8","10","1") = "9"
    & skf18("1","2","6","4","9","1","1") = "8"
    & skf18("1","2","6","4","9","2","1") = "8"
    & skf18("1","2","6","4","9","3","1") = "8"
    & skf18("1","2","6","4","9","4","1") = "8"
    & skf18("1","2","6","4","9","5","1") = "8"
    & skf18("1","2","6","4","9","6","1") = "8"
    & skf18("1","2","6","4","9","7","1") = "8"
    & skf18("1","2","6","4","9","8","1") = "8"
    & skf18("1","2","6","4","9","9","1") = "8"
    & skf18("1","2","6","4","9","10","1") = "9"
    & skf18("1","2","6","4","10","1","1") = "9"
    & skf18("1","2","6","4","10","2","1") = "9"
    & skf18("1","2","6","4","10","3","1") = "9"
    & skf18("1","2","6","4","10","4","1") = "9"
    & skf18("1","2","6","4","10","5","1") = "9"
    & skf18("1","2","6","4","10","6","1") = "9"
    & skf18("1","2","6","4","10","7","1") = "9"
    & skf18("1","2","6","4","10","8","1") = "9"
    & skf18("1","2","6","4","10","9","1") = "9"
    & skf18("1","2","6","4","10","10","1") = "9"
    & skf18("1","2","6","5","1","1","1") = "5"
    & skf18("1","2","6","5","1","2","1") = "5"
    & skf18("1","2","6","5","1","3","1") = "5"
    & skf18("1","2","6","5","1","4","1") = "5"
    & skf18("1","2","6","5","1","5","1") = "5"
    & skf18("1","2","6","5","1","6","1") = "5"
    & skf18("1","2","6","5","1","7","1") = "6"
    & skf18("1","2","6","5","1","8","1") = "7"
    & skf18("1","2","6","5","1","9","1") = "8"
    & skf18("1","2","6","5","1","10","1") = "9"
    & skf18("1","2","6","5","2","1","1") = "5"
    & skf18("1","2","6","5","2","2","1") = "5"
    & skf18("1","2","6","5","2","3","1") = "5"
    & skf18("1","2","6","5","2","4","1") = "5"
    & skf18("1","2","6","5","2","5","1") = "5"
    & skf18("1","2","6","5","2","6","1") = "5"
    & skf18("1","2","6","5","2","7","1") = "6"
    & skf18("1","2","6","5","2","8","1") = "7"
    & skf18("1","2","6","5","2","9","1") = "8"
    & skf18("1","2","6","5","2","10","1") = "9"
    & skf18("1","2","6","5","3","1","1") = "5"
    & skf18("1","2","6","5","3","2","1") = "5"
    & skf18("1","2","6","5","3","3","1") = "5"
    & skf18("1","2","6","5","3","4","1") = "5"
    & skf18("1","2","6","5","3","5","1") = "5"
    & skf18("1","2","6","5","3","6","1") = "5"
    & skf18("1","2","6","5","3","7","1") = "6"
    & skf18("1","2","6","5","3","8","1") = "7"
    & skf18("1","2","6","5","3","9","1") = "8"
    & skf18("1","2","6","5","3","10","1") = "9"
    & skf18("1","2","6","5","4","1","1") = "5"
    & skf18("1","2","6","5","4","2","1") = "5"
    & skf18("1","2","6","5","4","3","1") = "5"
    & skf18("1","2","6","5","4","4","1") = "5"
    & skf18("1","2","6","5","4","5","1") = "5"
    & skf18("1","2","6","5","4","6","1") = "5"
    & skf18("1","2","6","5","4","7","1") = "6"
    & skf18("1","2","6","5","4","8","1") = "7"
    & skf18("1","2","6","5","4","9","1") = "8"
    & skf18("1","2","6","5","4","10","1") = "9"
    & skf18("1","2","6","5","5","1","1") = "5"
    & skf18("1","2","6","5","5","2","1") = "5"
    & skf18("1","2","6","5","5","3","1") = "5"
    & skf18("1","2","6","5","5","4","1") = "5"
    & skf18("1","2","6","5","5","5","1") = "5"
    & skf18("1","2","6","5","5","6","1") = "5"
    & skf18("1","2","6","5","5","7","1") = "6"
    & skf18("1","2","6","5","5","8","1") = "7"
    & skf18("1","2","6","5","5","9","1") = "8"
    & skf18("1","2","6","5","5","10","1") = "9"
    & skf18("1","2","6","5","6","1","1") = "5"
    & skf18("1","2","6","5","6","2","1") = "5"
    & skf18("1","2","6","5","6","3","1") = "5"
    & skf18("1","2","6","5","6","4","1") = "5"
    & skf18("1","2","6","5","6","5","1") = "5"
    & skf18("1","2","6","5","6","6","1") = "5"
    & skf18("1","2","6","5","6","7","1") = "6"
    & skf18("1","2","6","5","6","8","1") = "7"
    & skf18("1","2","6","5","6","9","1") = "8"
    & skf18("1","2","6","5","6","10","1") = "9"
    & skf18("1","2","6","5","7","1","1") = "6"
    & skf18("1","2","6","5","7","2","1") = "6"
    & skf18("1","2","6","5","7","3","1") = "6"
    & skf18("1","2","6","5","7","4","1") = "6"
    & skf18("1","2","6","5","7","5","1") = "6"
    & skf18("1","2","6","5","7","6","1") = "6"
    & skf18("1","2","6","5","7","7","1") = "6"
    & skf18("1","2","6","5","7","8","1") = "7"
    & skf18("1","2","6","5","7","9","1") = "8"
    & skf18("1","2","6","5","7","10","1") = "9"
    & skf18("1","2","6","5","8","1","1") = "7"
    & skf18("1","2","6","5","8","2","1") = "7"
    & skf18("1","2","6","5","8","3","1") = "7"
    & skf18("1","2","6","5","8","4","1") = "7"
    & skf18("1","2","6","5","8","5","1") = "7"
    & skf18("1","2","6","5","8","6","1") = "7"
    & skf18("1","2","6","5","8","7","1") = "7"
    & skf18("1","2","6","5","8","8","1") = "7"
    & skf18("1","2","6","5","8","9","1") = "8"
    & skf18("1","2","6","5","8","10","1") = "9"
    & skf18("1","2","6","5","9","1","1") = "8"
    & skf18("1","2","6","5","9","2","1") = "8"
    & skf18("1","2","6","5","9","3","1") = "8"
    & skf18("1","2","6","5","9","4","1") = "8"
    & skf18("1","2","6","5","9","5","1") = "8"
    & skf18("1","2","6","5","9","6","1") = "8"
    & skf18("1","2","6","5","9","7","1") = "8"
    & skf18("1","2","6","5","9","8","1") = "8"
    & skf18("1","2","6","5","9","9","1") = "8"
    & skf18("1","2","6","5","9","10","1") = "9"
    & skf18("1","2","6","5","10","1","1") = "9"
    & skf18("1","2","6","5","10","2","1") = "9"
    & skf18("1","2","6","5","10","3","1") = "9"
    & skf18("1","2","6","5","10","4","1") = "9"
    & skf18("1","2","6","5","10","5","1") = "9"
    & skf18("1","2","6","5","10","6","1") = "9"
    & skf18("1","2","6","5","10","7","1") = "9"
    & skf18("1","2","6","5","10","8","1") = "9"
    & skf18("1","2","6","5","10","9","1") = "9"
    & skf18("1","2","6","5","10","10","1") = "9"
    & skf18("1","2","6","6","1","1","1") = "5"
    & skf18("1","2","6","6","1","2","1") = "5"
    & skf18("1","2","6","6","1","3","1") = "5"
    & skf18("1","2","6","6","1","4","1") = "5"
    & skf18("1","2","6","6","1","5","1") = "5"
    & skf18("1","2","6","6","1","6","1") = "5"
    & skf18("1","2","6","6","1","7","1") = "6"
    & skf18("1","2","6","6","1","8","1") = "7"
    & skf18("1","2","6","6","1","9","1") = "8"
    & skf18("1","2","6","6","1","10","1") = "9"
    & skf18("1","2","6","6","2","1","1") = "5"
    & skf18("1","2","6","6","2","2","1") = "5"
    & skf18("1","2","6","6","2","3","1") = "5"
    & skf18("1","2","6","6","2","4","1") = "5"
    & skf18("1","2","6","6","2","5","1") = "5"
    & skf18("1","2","6","6","2","6","1") = "5"
    & skf18("1","2","6","6","2","7","1") = "6"
    & skf18("1","2","6","6","2","8","1") = "7"
    & skf18("1","2","6","6","2","9","1") = "8"
    & skf18("1","2","6","6","2","10","1") = "9"
    & skf18("1","2","6","6","3","1","1") = "5"
    & skf18("1","2","6","6","3","2","1") = "5"
    & skf18("1","2","6","6","3","3","1") = "5"
    & skf18("1","2","6","6","3","4","1") = "5"
    & skf18("1","2","6","6","3","5","1") = "5"
    & skf18("1","2","6","6","3","6","1") = "5"
    & skf18("1","2","6","6","3","7","1") = "6"
    & skf18("1","2","6","6","3","8","1") = "7"
    & skf18("1","2","6","6","3","9","1") = "8"
    & skf18("1","2","6","6","3","10","1") = "9"
    & skf18("1","2","6","6","4","1","1") = "5"
    & skf18("1","2","6","6","4","2","1") = "5"
    & skf18("1","2","6","6","4","3","1") = "5"
    & skf18("1","2","6","6","4","4","1") = "5"
    & skf18("1","2","6","6","4","5","1") = "5"
    & skf18("1","2","6","6","4","6","1") = "5"
    & skf18("1","2","6","6","4","7","1") = "6"
    & skf18("1","2","6","6","4","8","1") = "7"
    & skf18("1","2","6","6","4","9","1") = "8"
    & skf18("1","2","6","6","4","10","1") = "9"
    & skf18("1","2","6","6","5","1","1") = "5"
    & skf18("1","2","6","6","5","2","1") = "5"
    & skf18("1","2","6","6","5","3","1") = "5"
    & skf18("1","2","6","6","5","4","1") = "5"
    & skf18("1","2","6","6","5","5","1") = "5"
    & skf18("1","2","6","6","5","6","1") = "5"
    & skf18("1","2","6","6","5","7","1") = "6"
    & skf18("1","2","6","6","5","8","1") = "7"
    & skf18("1","2","6","6","5","9","1") = "8"
    & skf18("1","2","6","6","5","10","1") = "9"
    & skf18("1","2","6","6","6","1","1") = "5"
    & skf18("1","2","6","6","6","2","1") = "5"
    & skf18("1","2","6","6","6","3","1") = "5"
    & skf18("1","2","6","6","6","4","1") = "5"
    & skf18("1","2","6","6","6","5","1") = "5"
    & skf18("1","2","6","6","6","6","1") = "5"
    & skf18("1","2","6","6","6","7","1") = "6"
    & skf18("1","2","6","6","6","8","1") = "7"
    & skf18("1","2","6","6","6","9","1") = "8"
    & skf18("1","2","6","6","6","10","1") = "9"
    & skf18("1","2","6","6","7","1","1") = "6"
    & skf18("1","2","6","6","7","2","1") = "6"
    & skf18("1","2","6","6","7","3","1") = "6"
    & skf18("1","2","6","6","7","4","1") = "6"
    & skf18("1","2","6","6","7","5","1") = "6"
    & skf18("1","2","6","6","7","6","1") = "6"
    & skf18("1","2","6","6","7","7","1") = "6"
    & skf18("1","2","6","6","7","8","1") = "7"
    & skf18("1","2","6","6","7","9","1") = "8"
    & skf18("1","2","6","6","7","10","1") = "9"
    & skf18("1","2","6","6","8","1","1") = "7"
    & skf18("1","2","6","6","8","2","1") = "7"
    & skf18("1","2","6","6","8","3","1") = "7"
    & skf18("1","2","6","6","8","4","1") = "7"
    & skf18("1","2","6","6","8","5","1") = "7"
    & skf18("1","2","6","6","8","6","1") = "7"
    & skf18("1","2","6","6","8","7","1") = "7"
    & skf18("1","2","6","6","8","8","1") = "7"
    & skf18("1","2","6","6","8","9","1") = "8"
    & skf18("1","2","6","6","8","10","1") = "9"
    & skf18("1","2","6","6","9","1","1") = "8"
    & skf18("1","2","6","6","9","2","1") = "8"
    & skf18("1","2","6","6","9","3","1") = "8"
    & skf18("1","2","6","6","9","4","1") = "8"
    & skf18("1","2","6","6","9","5","1") = "8"
    & skf18("1","2","6","6","9","6","1") = "8"
    & skf18("1","2","6","6","9","7","1") = "8"
    & skf18("1","2","6","6","9","8","1") = "8"
    & skf18("1","2","6","6","9","9","1") = "8"
    & skf18("1","2","6","6","9","10","1") = "9"
    & skf18("1","2","6","6","10","1","1") = "9"
    & skf18("1","2","6","6","10","2","1") = "9"
    & skf18("1","2","6","6","10","3","1") = "9"
    & skf18("1","2","6","6","10","4","1") = "9"
    & skf18("1","2","6","6","10","5","1") = "9"
    & skf18("1","2","6","6","10","6","1") = "9"
    & skf18("1","2","6","6","10","7","1") = "9"
    & skf18("1","2","6","6","10","8","1") = "9"
    & skf18("1","2","6","6","10","9","1") = "9"
    & skf18("1","2","6","6","10","10","1") = "9"
    & skf18("1","2","6","7","1","1","1") = "6"
    & skf18("1","2","6","7","1","2","1") = "6"
    & skf18("1","2","6","7","1","3","1") = "6"
    & skf18("1","2","6","7","1","4","1") = "6"
    & skf18("1","2","6","7","1","5","1") = "6"
    & skf18("1","2","6","7","1","6","1") = "6"
    & skf18("1","2","6","7","1","7","1") = "6"
    & skf18("1","2","6","7","1","8","1") = "7"
    & skf18("1","2","6","7","1","9","1") = "8"
    & skf18("1","2","6","7","1","10","1") = "9"
    & skf18("1","2","6","7","2","1","1") = "6"
    & skf18("1","2","6","7","2","2","1") = "6"
    & skf18("1","2","6","7","2","3","1") = "6"
    & skf18("1","2","6","7","2","4","1") = "6"
    & skf18("1","2","6","7","2","5","1") = "6"
    & skf18("1","2","6","7","2","6","1") = "6"
    & skf18("1","2","6","7","2","7","1") = "6"
    & skf18("1","2","6","7","2","8","1") = "7"
    & skf18("1","2","6","7","2","9","1") = "8"
    & skf18("1","2","6","7","2","10","1") = "9"
    & skf18("1","2","6","7","3","1","1") = "6"
    & skf18("1","2","6","7","3","2","1") = "6"
    & skf18("1","2","6","7","3","3","1") = "6"
    & skf18("1","2","6","7","3","4","1") = "6"
    & skf18("1","2","6","7","3","5","1") = "6"
    & skf18("1","2","6","7","3","6","1") = "6"
    & skf18("1","2","6","7","3","7","1") = "6"
    & skf18("1","2","6","7","3","8","1") = "7"
    & skf18("1","2","6","7","3","9","1") = "8"
    & skf18("1","2","6","7","3","10","1") = "9"
    & skf18("1","2","6","7","4","1","1") = "6"
    & skf18("1","2","6","7","4","2","1") = "6"
    & skf18("1","2","6","7","4","3","1") = "6"
    & skf18("1","2","6","7","4","4","1") = "6"
    & skf18("1","2","6","7","4","5","1") = "6"
    & skf18("1","2","6","7","4","6","1") = "6"
    & skf18("1","2","6","7","4","7","1") = "6"
    & skf18("1","2","6","7","4","8","1") = "7"
    & skf18("1","2","6","7","4","9","1") = "8"
    & skf18("1","2","6","7","4","10","1") = "9"
    & skf18("1","2","6","7","5","1","1") = "6"
    & skf18("1","2","6","7","5","2","1") = "6"
    & skf18("1","2","6","7","5","3","1") = "6"
    & skf18("1","2","6","7","5","4","1") = "6"
    & skf18("1","2","6","7","5","5","1") = "6"
    & skf18("1","2","6","7","5","6","1") = "6"
    & skf18("1","2","6","7","5","7","1") = "6"
    & skf18("1","2","6","7","5","8","1") = "7"
    & skf18("1","2","6","7","5","9","1") = "8"
    & skf18("1","2","6","7","5","10","1") = "9"
    & skf18("1","2","6","7","6","1","1") = "6"
    & skf18("1","2","6","7","6","2","1") = "6"
    & skf18("1","2","6","7","6","3","1") = "6"
    & skf18("1","2","6","7","6","4","1") = "6"
    & skf18("1","2","6","7","6","5","1") = "6"
    & skf18("1","2","6","7","6","6","1") = "6"
    & skf18("1","2","6","7","6","7","1") = "6"
    & skf18("1","2","6","7","6","8","1") = "7"
    & skf18("1","2","6","7","6","9","1") = "8"
    & skf18("1","2","6","7","6","10","1") = "9"
    & skf18("1","2","6","7","7","1","1") = "6"
    & skf18("1","2","6","7","7","2","1") = "6"
    & skf18("1","2","6","7","7","3","1") = "6"
    & skf18("1","2","6","7","7","4","1") = "6"
    & skf18("1","2","6","7","7","5","1") = "6"
    & skf18("1","2","6","7","7","6","1") = "6"
    & skf18("1","2","6","7","7","7","1") = "6"
    & skf18("1","2","6","7","7","8","1") = "7"
    & skf18("1","2","6","7","7","9","1") = "8"
    & skf18("1","2","6","7","7","10","1") = "9"
    & skf18("1","2","6","7","8","1","1") = "7"
    & skf18("1","2","6","7","8","2","1") = "7"
    & skf18("1","2","6","7","8","3","1") = "7"
    & skf18("1","2","6","7","8","4","1") = "7"
    & skf18("1","2","6","7","8","5","1") = "7"
    & skf18("1","2","6","7","8","6","1") = "7"
    & skf18("1","2","6","7","8","7","1") = "7"
    & skf18("1","2","6","7","8","8","1") = "7"
    & skf18("1","2","6","7","8","9","1") = "8"
    & skf18("1","2","6","7","8","10","1") = "9"
    & skf18("1","2","6","7","9","1","1") = "8"
    & skf18("1","2","6","7","9","2","1") = "8"
    & skf18("1","2","6","7","9","3","1") = "8"
    & skf18("1","2","6","7","9","4","1") = "8"
    & skf18("1","2","6","7","9","5","1") = "8"
    & skf18("1","2","6","7","9","6","1") = "8"
    & skf18("1","2","6","7","9","7","1") = "8"
    & skf18("1","2","6","7","9","8","1") = "8"
    & skf18("1","2","6","7","9","9","1") = "8"
    & skf18("1","2","6","7","9","10","1") = "9"
    & skf18("1","2","6","7","10","1","1") = "9"
    & skf18("1","2","6","7","10","2","1") = "9"
    & skf18("1","2","6","7","10","3","1") = "9"
    & skf18("1","2","6","7","10","4","1") = "9"
    & skf18("1","2","6","7","10","5","1") = "9"
    & skf18("1","2","6","7","10","6","1") = "9"
    & skf18("1","2","6","7","10","7","1") = "9"
    & skf18("1","2","6","7","10","8","1") = "9"
    & skf18("1","2","6","7","10","9","1") = "9"
    & skf18("1","2","6","7","10","10","1") = "9"
    & skf18("1","2","6","8","1","1","1") = "7"
    & skf18("1","2","6","8","1","2","1") = "7"
    & skf18("1","2","6","8","1","3","1") = "7"
    & skf18("1","2","6","8","1","4","1") = "7"
    & skf18("1","2","6","8","1","5","1") = "7"
    & skf18("1","2","6","8","1","6","1") = "7"
    & skf18("1","2","6","8","1","7","1") = "7"
    & skf18("1","2","6","8","1","8","1") = "7"
    & skf18("1","2","6","8","1","9","1") = "8"
    & skf18("1","2","6","8","1","10","1") = "9"
    & skf18("1","2","6","8","2","1","1") = "7"
    & skf18("1","2","6","8","2","2","1") = "7"
    & skf18("1","2","6","8","2","3","1") = "7"
    & skf18("1","2","6","8","2","4","1") = "7"
    & skf18("1","2","6","8","2","5","1") = "7"
    & skf18("1","2","6","8","2","6","1") = "7"
    & skf18("1","2","6","8","2","7","1") = "7"
    & skf18("1","2","6","8","2","8","1") = "7"
    & skf18("1","2","6","8","2","9","1") = "8"
    & skf18("1","2","6","8","2","10","1") = "9"
    & skf18("1","2","6","8","3","1","1") = "7"
    & skf18("1","2","6","8","3","2","1") = "7"
    & skf18("1","2","6","8","3","3","1") = "7"
    & skf18("1","2","6","8","3","4","1") = "7"
    & skf18("1","2","6","8","3","5","1") = "7"
    & skf18("1","2","6","8","3","6","1") = "7"
    & skf18("1","2","6","8","3","7","1") = "7"
    & skf18("1","2","6","8","3","8","1") = "7"
    & skf18("1","2","6","8","3","9","1") = "8"
    & skf18("1","2","6","8","3","10","1") = "9"
    & skf18("1","2","6","8","4","1","1") = "7"
    & skf18("1","2","6","8","4","2","1") = "7"
    & skf18("1","2","6","8","4","3","1") = "7"
    & skf18("1","2","6","8","4","4","1") = "7"
    & skf18("1","2","6","8","4","5","1") = "7"
    & skf18("1","2","6","8","4","6","1") = "7"
    & skf18("1","2","6","8","4","7","1") = "7"
    & skf18("1","2","6","8","4","8","1") = "7"
    & skf18("1","2","6","8","4","9","1") = "8"
    & skf18("1","2","6","8","4","10","1") = "9"
    & skf18("1","2","6","8","5","1","1") = "7"
    & skf18("1","2","6","8","5","2","1") = "7"
    & skf18("1","2","6","8","5","3","1") = "7"
    & skf18("1","2","6","8","5","4","1") = "7"
    & skf18("1","2","6","8","5","5","1") = "7"
    & skf18("1","2","6","8","5","6","1") = "7"
    & skf18("1","2","6","8","5","7","1") = "7"
    & skf18("1","2","6","8","5","8","1") = "7"
    & skf18("1","2","6","8","5","9","1") = "8"
    & skf18("1","2","6","8","5","10","1") = "9"
    & skf18("1","2","6","8","6","1","1") = "7"
    & skf18("1","2","6","8","6","2","1") = "7"
    & skf18("1","2","6","8","6","3","1") = "7"
    & skf18("1","2","6","8","6","4","1") = "7"
    & skf18("1","2","6","8","6","5","1") = "7"
    & skf18("1","2","6","8","6","6","1") = "7"
    & skf18("1","2","6","8","6","7","1") = "7"
    & skf18("1","2","6","8","6","8","1") = "7"
    & skf18("1","2","6","8","6","9","1") = "8"
    & skf18("1","2","6","8","6","10","1") = "9"
    & skf18("1","2","6","8","7","1","1") = "7"
    & skf18("1","2","6","8","7","2","1") = "7"
    & skf18("1","2","6","8","7","3","1") = "7"
    & skf18("1","2","6","8","7","4","1") = "7"
    & skf18("1","2","6","8","7","5","1") = "7"
    & skf18("1","2","6","8","7","6","1") = "7"
    & skf18("1","2","6","8","7","7","1") = "7"
    & skf18("1","2","6","8","7","8","1") = "7"
    & skf18("1","2","6","8","7","9","1") = "8"
    & skf18("1","2","6","8","7","10","1") = "9"
    & skf18("1","2","6","8","8","1","1") = "7"
    & skf18("1","2","6","8","8","2","1") = "7"
    & skf18("1","2","6","8","8","3","1") = "7"
    & skf18("1","2","6","8","8","4","1") = "7"
    & skf18("1","2","6","8","8","5","1") = "7"
    & skf18("1","2","6","8","8","6","1") = "7"
    & skf18("1","2","6","8","8","7","1") = "7"
    & skf18("1","2","6","8","8","8","1") = "7"
    & skf18("1","2","6","8","8","9","1") = "8"
    & skf18("1","2","6","8","8","10","1") = "9"
    & skf18("1","2","6","8","9","1","1") = "8"
    & skf18("1","2","6","8","9","2","1") = "8"
    & skf18("1","2","6","8","9","3","1") = "8"
    & skf18("1","2","6","8","9","4","1") = "8"
    & skf18("1","2","6","8","9","5","1") = "8"
    & skf18("1","2","6","8","9","6","1") = "8"
    & skf18("1","2","6","8","9","7","1") = "8"
    & skf18("1","2","6","8","9","8","1") = "8"
    & skf18("1","2","6","8","9","9","1") = "8"
    & skf18("1","2","6","8","9","10","1") = "9"
    & skf18("1","2","6","8","10","1","1") = "9"
    & skf18("1","2","6","8","10","2","1") = "9"
    & skf18("1","2","6","8","10","3","1") = "9"
    & skf18("1","2","6","8","10","4","1") = "9"
    & skf18("1","2","6","8","10","5","1") = "9"
    & skf18("1","2","6","8","10","6","1") = "9"
    & skf18("1","2","6","8","10","7","1") = "9"
    & skf18("1","2","6","8","10","8","1") = "9"
    & skf18("1","2","6","8","10","9","1") = "9"
    & skf18("1","2","6","8","10","10","1") = "9"
    & skf18("1","2","6","9","1","1","1") = "8"
    & skf18("1","2","6","9","1","2","1") = "8"
    & skf18("1","2","6","9","1","3","1") = "8"
    & skf18("1","2","6","9","1","4","1") = "8"
    & skf18("1","2","6","9","1","5","1") = "8"
    & skf18("1","2","6","9","1","6","1") = "8"
    & skf18("1","2","6","9","1","7","1") = "8"
    & skf18("1","2","6","9","1","8","1") = "8"
    & skf18("1","2","6","9","1","9","1") = "8"
    & skf18("1","2","6","9","1","10","1") = "9"
    & skf18("1","2","6","9","2","1","1") = "8"
    & skf18("1","2","6","9","2","2","1") = "8"
    & skf18("1","2","6","9","2","3","1") = "8"
    & skf18("1","2","6","9","2","4","1") = "8"
    & skf18("1","2","6","9","2","5","1") = "8"
    & skf18("1","2","6","9","2","6","1") = "8"
    & skf18("1","2","6","9","2","7","1") = "8"
    & skf18("1","2","6","9","2","8","1") = "8"
    & skf18("1","2","6","9","2","9","1") = "8"
    & skf18("1","2","6","9","2","10","1") = "9"
    & skf18("1","2","6","9","3","1","1") = "8"
    & skf18("1","2","6","9","3","2","1") = "8"
    & skf18("1","2","6","9","3","3","1") = "8"
    & skf18("1","2","6","9","3","4","1") = "8"
    & skf18("1","2","6","9","3","5","1") = "8"
    & skf18("1","2","6","9","3","6","1") = "8"
    & skf18("1","2","6","9","3","7","1") = "8"
    & skf18("1","2","6","9","3","8","1") = "8"
    & skf18("1","2","6","9","3","9","1") = "8"
    & skf18("1","2","6","9","3","10","1") = "9"
    & skf18("1","2","6","9","4","1","1") = "8"
    & skf18("1","2","6","9","4","2","1") = "8"
    & skf18("1","2","6","9","4","3","1") = "8"
    & skf18("1","2","6","9","4","4","1") = "8"
    & skf18("1","2","6","9","4","5","1") = "8"
    & skf18("1","2","6","9","4","6","1") = "8"
    & skf18("1","2","6","9","4","7","1") = "8"
    & skf18("1","2","6","9","4","8","1") = "8"
    & skf18("1","2","6","9","4","9","1") = "8"
    & skf18("1","2","6","9","4","10","1") = "9"
    & skf18("1","2","6","9","5","1","1") = "8"
    & skf18("1","2","6","9","5","2","1") = "8"
    & skf18("1","2","6","9","5","3","1") = "8"
    & skf18("1","2","6","9","5","4","1") = "8"
    & skf18("1","2","6","9","5","5","1") = "8"
    & skf18("1","2","6","9","5","6","1") = "8"
    & skf18("1","2","6","9","5","7","1") = "8"
    & skf18("1","2","6","9","5","8","1") = "8"
    & skf18("1","2","6","9","5","9","1") = "8"
    & skf18("1","2","6","9","5","10","1") = "9"
    & skf18("1","2","6","9","6","1","1") = "8"
    & skf18("1","2","6","9","6","2","1") = "8"
    & skf18("1","2","6","9","6","3","1") = "8"
    & skf18("1","2","6","9","6","4","1") = "8"
    & skf18("1","2","6","9","6","5","1") = "8"
    & skf18("1","2","6","9","6","6","1") = "8"
    & skf18("1","2","6","9","6","7","1") = "8"
    & skf18("1","2","6","9","6","8","1") = "8"
    & skf18("1","2","6","9","6","9","1") = "8"
    & skf18("1","2","6","9","6","10","1") = "9"
    & skf18("1","2","6","9","7","1","1") = "8"
    & skf18("1","2","6","9","7","2","1") = "8"
    & skf18("1","2","6","9","7","3","1") = "8"
    & skf18("1","2","6","9","7","4","1") = "8"
    & skf18("1","2","6","9","7","5","1") = "8"
    & skf18("1","2","6","9","7","6","1") = "8"
    & skf18("1","2","6","9","7","7","1") = "8"
    & skf18("1","2","6","9","7","8","1") = "8"
    & skf18("1","2","6","9","7","9","1") = "8"
    & skf18("1","2","6","9","7","10","1") = "9"
    & skf18("1","2","6","9","8","1","1") = "8"
    & skf18("1","2","6","9","8","2","1") = "8"
    & skf18("1","2","6","9","8","3","1") = "8"
    & skf18("1","2","6","9","8","4","1") = "8"
    & skf18("1","2","6","9","8","5","1") = "8"
    & skf18("1","2","6","9","8","6","1") = "8"
    & skf18("1","2","6","9","8","7","1") = "8"
    & skf18("1","2","6","9","8","8","1") = "8"
    & skf18("1","2","6","9","8","9","1") = "8"
    & skf18("1","2","6","9","8","10","1") = "9"
    & skf18("1","2","6","9","9","1","1") = "8"
    & skf18("1","2","6","9","9","2","1") = "8"
    & skf18("1","2","6","9","9","3","1") = "8"
    & skf18("1","2","6","9","9","4","1") = "8"
    & skf18("1","2","6","9","9","5","1") = "8"
    & skf18("1","2","6","9","9","6","1") = "8"
    & skf18("1","2","6","9","9","7","1") = "8"
    & skf18("1","2","6","9","9","8","1") = "8"
    & skf18("1","2","6","9","9","9","1") = "8"
    & skf18("1","2","6","9","9","10","1") = "9"
    & skf18("1","2","6","9","10","1","1") = "9"
    & skf18("1","2","6","9","10","2","1") = "9"
    & skf18("1","2","6","9","10","3","1") = "9"
    & skf18("1","2","6","9","10","4","1") = "9"
    & skf18("1","2","6","9","10","5","1") = "9"
    & skf18("1","2","6","9","10","6","1") = "9"
    & skf18("1","2","6","9","10","7","1") = "9"
    & skf18("1","2","6","9","10","8","1") = "9"
    & skf18("1","2","6","9","10","9","1") = "9"
    & skf18("1","2","6","9","10","10","1") = "9"
    & skf18("1","2","6","10","1","1","1") = "9"
    & skf18("1","2","6","10","1","2","1") = "9"
    & skf18("1","2","6","10","1","3","1") = "9"
    & skf18("1","2","6","10","1","4","1") = "9"
    & skf18("1","2","6","10","1","5","1") = "9"
    & skf18("1","2","6","10","1","6","1") = "9"
    & skf18("1","2","6","10","1","7","1") = "9"
    & skf18("1","2","6","10","1","8","1") = "9"
    & skf18("1","2","6","10","1","9","1") = "9"
    & skf18("1","2","6","10","1","10","1") = "9"
    & skf18("1","2","6","10","2","1","1") = "9"
    & skf18("1","2","6","10","2","2","1") = "9"
    & skf18("1","2","6","10","2","3","1") = "9"
    & skf18("1","2","6","10","2","4","1") = "9"
    & skf18("1","2","6","10","2","5","1") = "9"
    & skf18("1","2","6","10","2","6","1") = "9"
    & skf18("1","2","6","10","2","7","1") = "9"
    & skf18("1","2","6","10","2","8","1") = "9"
    & skf18("1","2","6","10","2","9","1") = "9"
    & skf18("1","2","6","10","2","10","1") = "9"
    & skf18("1","2","6","10","3","1","1") = "9"
    & skf18("1","2","6","10","3","2","1") = "9"
    & skf18("1","2","6","10","3","3","1") = "9"
    & skf18("1","2","6","10","3","4","1") = "9"
    & skf18("1","2","6","10","3","5","1") = "9"
    & skf18("1","2","6","10","3","6","1") = "9"
    & skf18("1","2","6","10","3","7","1") = "9"
    & skf18("1","2","6","10","3","8","1") = "9"
    & skf18("1","2","6","10","3","9","1") = "9"
    & skf18("1","2","6","10","3","10","1") = "9"
    & skf18("1","2","6","10","4","1","1") = "9"
    & skf18("1","2","6","10","4","2","1") = "9"
    & skf18("1","2","6","10","4","3","1") = "9"
    & skf18("1","2","6","10","4","4","1") = "9"
    & skf18("1","2","6","10","4","5","1") = "9"
    & skf18("1","2","6","10","4","6","1") = "9"
    & skf18("1","2","6","10","4","7","1") = "9"
    & skf18("1","2","6","10","4","8","1") = "9"
    & skf18("1","2","6","10","4","9","1") = "9"
    & skf18("1","2","6","10","4","10","1") = "9"
    & skf18("1","2","6","10","5","1","1") = "9"
    & skf18("1","2","6","10","5","2","1") = "9"
    & skf18("1","2","6","10","5","3","1") = "9"
    & skf18("1","2","6","10","5","4","1") = "9"
    & skf18("1","2","6","10","5","5","1") = "9"
    & skf18("1","2","6","10","5","6","1") = "9"
    & skf18("1","2","6","10","5","7","1") = "9"
    & skf18("1","2","6","10","5","8","1") = "9"
    & skf18("1","2","6","10","5","9","1") = "9"
    & skf18("1","2","6","10","5","10","1") = "9"
    & skf18("1","2","6","10","6","1","1") = "9"
    & skf18("1","2","6","10","6","2","1") = "9"
    & skf18("1","2","6","10","6","3","1") = "9"
    & skf18("1","2","6","10","6","4","1") = "9"
    & skf18("1","2","6","10","6","5","1") = "9"
    & skf18("1","2","6","10","6","6","1") = "9"
    & skf18("1","2","6","10","6","7","1") = "9"
    & skf18("1","2","6","10","6","8","1") = "9"
    & skf18("1","2","6","10","6","9","1") = "9"
    & skf18("1","2","6","10","6","10","1") = "9"
    & skf18("1","2","6","10","7","1","1") = "9"
    & skf18("1","2","6","10","7","2","1") = "9"
    & skf18("1","2","6","10","7","3","1") = "9"
    & skf18("1","2","6","10","7","4","1") = "9"
    & skf18("1","2","6","10","7","5","1") = "9"
    & skf18("1","2","6","10","7","6","1") = "9"
    & skf18("1","2","6","10","7","7","1") = "9"
    & skf18("1","2","6","10","7","8","1") = "9"
    & skf18("1","2","6","10","7","9","1") = "9"
    & skf18("1","2","6","10","7","10","1") = "9"
    & skf18("1","2","6","10","8","1","1") = "9"
    & skf18("1","2","6","10","8","2","1") = "9"
    & skf18("1","2","6","10","8","3","1") = "9"
    & skf18("1","2","6","10","8","4","1") = "9"
    & skf18("1","2","6","10","8","5","1") = "9"
    & skf18("1","2","6","10","8","6","1") = "9"
    & skf18("1","2","6","10","8","7","1") = "9"
    & skf18("1","2","6","10","8","8","1") = "9"
    & skf18("1","2","6","10","8","9","1") = "9"
    & skf18("1","2","6","10","8","10","1") = "9"
    & skf18("1","2","6","10","9","1","1") = "9"
    & skf18("1","2","6","10","9","2","1") = "9"
    & skf18("1","2","6","10","9","3","1") = "9"
    & skf18("1","2","6","10","9","4","1") = "9"
    & skf18("1","2","6","10","9","5","1") = "9"
    & skf18("1","2","6","10","9","6","1") = "9"
    & skf18("1","2","6","10","9","7","1") = "9"
    & skf18("1","2","6","10","9","8","1") = "9"
    & skf18("1","2","6","10","9","9","1") = "9"
    & skf18("1","2","6","10","9","10","1") = "9"
    & skf18("1","2","6","10","10","1","1") = "9"
    & skf18("1","2","6","10","10","2","1") = "9"
    & skf18("1","2","6","10","10","3","1") = "9"
    & skf18("1","2","6","10","10","4","1") = "9"
    & skf18("1","2","6","10","10","5","1") = "9"
    & skf18("1","2","6","10","10","6","1") = "9"
    & skf18("1","2","6","10","10","7","1") = "9"
    & skf18("1","2","6","10","10","8","1") = "9"
    & skf18("1","2","6","10","10","9","1") = "9"
    & skf18("1","2","6","10","10","10","1") = "9"
    & skf18("1","2","7","1","1","1","1") = "6"
    & skf18("1","2","7","1","1","2","1") = "6"
    & skf18("1","2","7","1","1","3","1") = "6"
    & skf18("1","2","7","1","1","4","1") = "6"
    & skf18("1","2","7","1","1","5","1") = "6"
    & skf18("1","2","7","1","1","6","1") = "6"
    & skf18("1","2","7","1","1","7","1") = "6"
    & skf18("1","2","7","1","1","8","1") = "7"
    & skf18("1","2","7","1","1","9","1") = "8"
    & skf18("1","2","7","1","1","10","1") = "9"
    & skf18("1","2","7","1","2","1","1") = "6"
    & skf18("1","2","7","1","2","2","1") = "6"
    & skf18("1","2","7","1","2","3","1") = "6"
    & skf18("1","2","7","1","2","4","1") = "6"
    & skf18("1","2","7","1","2","5","1") = "6"
    & skf18("1","2","7","1","2","6","1") = "6"
    & skf18("1","2","7","1","2","7","1") = "6"
    & skf18("1","2","7","1","2","8","1") = "7"
    & skf18("1","2","7","1","2","9","1") = "8"
    & skf18("1","2","7","1","2","10","1") = "9"
    & skf18("1","2","7","1","3","1","1") = "6"
    & skf18("1","2","7","1","3","2","1") = "6"
    & skf18("1","2","7","1","3","3","1") = "6"
    & skf18("1","2","7","1","3","4","1") = "6"
    & skf18("1","2","7","1","3","5","1") = "6"
    & skf18("1","2","7","1","3","6","1") = "6"
    & skf18("1","2","7","1","3","7","1") = "6"
    & skf18("1","2","7","1","3","8","1") = "7"
    & skf18("1","2","7","1","3","9","1") = "8"
    & skf18("1","2","7","1","3","10","1") = "9"
    & skf18("1","2","7","1","4","1","1") = "6"
    & skf18("1","2","7","1","4","2","1") = "6"
    & skf18("1","2","7","1","4","3","1") = "6"
    & skf18("1","2","7","1","4","4","1") = "6"
    & skf18("1","2","7","1","4","5","1") = "6"
    & skf18("1","2","7","1","4","6","1") = "6"
    & skf18("1","2","7","1","4","7","1") = "6"
    & skf18("1","2","7","1","4","8","1") = "7"
    & skf18("1","2","7","1","4","9","1") = "8"
    & skf18("1","2","7","1","4","10","1") = "9"
    & skf18("1","2","7","1","5","1","1") = "6"
    & skf18("1","2","7","1","5","2","1") = "6"
    & skf18("1","2","7","1","5","3","1") = "6"
    & skf18("1","2","7","1","5","4","1") = "6"
    & skf18("1","2","7","1","5","5","1") = "6"
    & skf18("1","2","7","1","5","6","1") = "6"
    & skf18("1","2","7","1","5","7","1") = "6"
    & skf18("1","2","7","1","5","8","1") = "7"
    & skf18("1","2","7","1","5","9","1") = "8"
    & skf18("1","2","7","1","5","10","1") = "9"
    & skf18("1","2","7","1","6","1","1") = "6"
    & skf18("1","2","7","1","6","2","1") = "6"
    & skf18("1","2","7","1","6","3","1") = "6"
    & skf18("1","2","7","1","6","4","1") = "6"
    & skf18("1","2","7","1","6","5","1") = "6"
    & skf18("1","2","7","1","6","6","1") = "6"
    & skf18("1","2","7","1","6","7","1") = "6"
    & skf18("1","2","7","1","6","8","1") = "7"
    & skf18("1","2","7","1","6","9","1") = "8"
    & skf18("1","2","7","1","6","10","1") = "9"
    & skf18("1","2","7","1","7","1","1") = "6"
    & skf18("1","2","7","1","7","2","1") = "6"
    & skf18("1","2","7","1","7","3","1") = "6"
    & skf18("1","2","7","1","7","4","1") = "6"
    & skf18("1","2","7","1","7","5","1") = "6"
    & skf18("1","2","7","1","7","6","1") = "6"
    & skf18("1","2","7","1","7","7","1") = "6"
    & skf18("1","2","7","1","7","8","1") = "7"
    & skf18("1","2","7","1","7","9","1") = "8"
    & skf18("1","2","7","1","7","10","1") = "9"
    & skf18("1","2","7","1","8","1","1") = "7"
    & skf18("1","2","7","1","8","2","1") = "7"
    & skf18("1","2","7","1","8","3","1") = "7"
    & skf18("1","2","7","1","8","4","1") = "7"
    & skf18("1","2","7","1","8","5","1") = "7"
    & skf18("1","2","7","1","8","6","1") = "7"
    & skf18("1","2","7","1","8","7","1") = "7"
    & skf18("1","2","7","1","8","8","1") = "7"
    & skf18("1","2","7","1","8","9","1") = "8"
    & skf18("1","2","7","1","8","10","1") = "9"
    & skf18("1","2","7","1","9","1","1") = "8"
    & skf18("1","2","7","1","9","2","1") = "8"
    & skf18("1","2","7","1","9","3","1") = "8"
    & skf18("1","2","7","1","9","4","1") = "8"
    & skf18("1","2","7","1","9","5","1") = "8"
    & skf18("1","2","7","1","9","6","1") = "8"
    & skf18("1","2","7","1","9","7","1") = "8"
    & skf18("1","2","7","1","9","8","1") = "8"
    & skf18("1","2","7","1","9","9","1") = "8"
    & skf18("1","2","7","1","9","10","1") = "9"
    & skf18("1","2","7","1","10","1","1") = "9"
    & skf18("1","2","7","1","10","2","1") = "9"
    & skf18("1","2","7","1","10","3","1") = "9"
    & skf18("1","2","7","1","10","4","1") = "9"
    & skf18("1","2","7","1","10","5","1") = "9"
    & skf18("1","2","7","1","10","6","1") = "9"
    & skf18("1","2","7","1","10","7","1") = "9"
    & skf18("1","2","7","1","10","8","1") = "9"
    & skf18("1","2","7","1","10","9","1") = "9"
    & skf18("1","2","7","1","10","10","1") = "9"
    & skf18("1","2","7","2","1","1","1") = "6"
    & skf18("1","2","7","2","1","2","1") = "6"
    & skf18("1","2","7","2","1","3","1") = "6"
    & skf18("1","2","7","2","1","4","1") = "6"
    & skf18("1","2","7","2","1","5","1") = "6"
    & skf18("1","2","7","2","1","6","1") = "6"
    & skf18("1","2","7","2","1","7","1") = "6"
    & skf18("1","2","7","2","1","8","1") = "7"
    & skf18("1","2","7","2","1","9","1") = "8"
    & skf18("1","2","7","2","1","10","1") = "9"
    & skf18("1","2","7","2","2","1","1") = "6"
    & skf18("1","2","7","2","2","2","1") = "6"
    & skf18("1","2","7","2","2","3","1") = "6"
    & skf18("1","2","7","2","2","4","1") = "6"
    & skf18("1","2","7","2","2","5","1") = "6"
    & skf18("1","2","7","2","2","6","1") = "6"
    & skf18("1","2","7","2","2","7","1") = "6"
    & skf18("1","2","7","2","2","8","1") = "7"
    & skf18("1","2","7","2","2","9","1") = "8"
    & skf18("1","2","7","2","2","10","1") = "9"
    & skf18("1","2","7","2","3","1","1") = "6"
    & skf18("1","2","7","2","3","2","1") = "6"
    & skf18("1","2","7","2","3","3","1") = "6"
    & skf18("1","2","7","2","3","4","1") = "6"
    & skf18("1","2","7","2","3","5","1") = "6"
    & skf18("1","2","7","2","3","6","1") = "6"
    & skf18("1","2","7","2","3","7","1") = "6"
    & skf18("1","2","7","2","3","8","1") = "7"
    & skf18("1","2","7","2","3","9","1") = "8"
    & skf18("1","2","7","2","3","10","1") = "9"
    & skf18("1","2","7","2","4","1","1") = "6"
    & skf18("1","2","7","2","4","2","1") = "6"
    & skf18("1","2","7","2","4","3","1") = "6"
    & skf18("1","2","7","2","4","4","1") = "6"
    & skf18("1","2","7","2","4","5","1") = "6"
    & skf18("1","2","7","2","4","6","1") = "6"
    & skf18("1","2","7","2","4","7","1") = "6"
    & skf18("1","2","7","2","4","8","1") = "7"
    & skf18("1","2","7","2","4","9","1") = "8"
    & skf18("1","2","7","2","4","10","1") = "9"
    & skf18("1","2","7","2","5","1","1") = "6"
    & skf18("1","2","7","2","5","2","1") = "6"
    & skf18("1","2","7","2","5","3","1") = "6"
    & skf18("1","2","7","2","5","4","1") = "6"
    & skf18("1","2","7","2","5","5","1") = "6"
    & skf18("1","2","7","2","5","6","1") = "6"
    & skf18("1","2","7","2","5","7","1") = "6"
    & skf18("1","2","7","2","5","8","1") = "7"
    & skf18("1","2","7","2","5","9","1") = "8"
    & skf18("1","2","7","2","5","10","1") = "9"
    & skf18("1","2","7","2","6","1","1") = "6"
    & skf18("1","2","7","2","6","2","1") = "6"
    & skf18("1","2","7","2","6","3","1") = "6"
    & skf18("1","2","7","2","6","4","1") = "5"
    & skf18("1","2","7","2","6","5","1") = "6"
    & skf18("1","2","7","2","6","6","1") = "5"
    & skf18("1","2","7","2","6","7","1") = "6"
    & skf18("1","2","7","2","6","8","1") = "7"
    & skf18("1","2","7","2","6","9","1") = "8"
    & skf18("1","2","7","2","6","10","1") = "9"
    & skf18("1","2","7","2","7","1","1") = "6"
    & skf18("1","2","7","2","7","2","1") = "5"
    & skf18("1","2","7","2","7","3","1") = "5"
    & skf18("1","2","7","2","7","4","1") = "5"
    & skf18("1","2","7","2","7","5","1") = "5"
    & skf18("1","2","7","2","7","6","1") = "6"
    & skf18("1","2","7","2","7","7","1") = "6"
    & skf18("1","2","7","2","7","8","1") = "7"
    & skf18("1","2","7","2","7","9","1") = "8"
    & skf18("1","2","7","2","7","10","1") = "9"
    & skf18("1","2","7","2","8","1","1") = "7"
    & skf18("1","2","7","2","8","2","1") = "7"
    & skf18("1","2","7","2","8","3","1") = "7"
    & skf18("1","2","7","2","8","4","1") = "7"
    & skf18("1","2","7","2","8","5","1") = "7"
    & skf18("1","2","7","2","8","6","1") = "7"
    & skf18("1","2","7","2","8","7","1") = "7"
    & skf18("1","2","7","2","8","8","1") = "7"
    & skf18("1","2","7","2","8","9","1") = "8"
    & skf18("1","2","7","2","8","10","1") = "9"
    & skf18("1","2","7","2","9","1","1") = "8"
    & skf18("1","2","7","2","9","2","1") = "8"
    & skf18("1","2","7","2","9","3","1") = "8"
    & skf18("1","2","7","2","9","4","1") = "8"
    & skf18("1","2","7","2","9","5","1") = "8"
    & skf18("1","2","7","2","9","6","1") = "8"
    & skf18("1","2","7","2","9","7","1") = "8"
    & skf18("1","2","7","2","9","8","1") = "8"
    & skf18("1","2","7","2","9","9","1") = "8"
    & skf18("1","2","7","2","9","10","1") = "9"
    & skf18("1","2","7","2","10","1","1") = "9"
    & skf18("1","2","7","2","10","2","1") = "9"
    & skf18("1","2","7","2","10","3","1") = "9"
    & skf18("1","2","7","2","10","4","1") = "9"
    & skf18("1","2","7","2","10","5","1") = "9"
    & skf18("1","2","7","2","10","6","1") = "9"
    & skf18("1","2","7","2","10","7","1") = "9"
    & skf18("1","2","7","2","10","8","1") = "9"
    & skf18("1","2","7","2","10","9","1") = "9"
    & skf18("1","2","7","2","10","10","1") = "9"
    & skf18("1","2","7","3","1","1","1") = "6"
    & skf18("1","2","7","3","1","2","1") = "6"
    & skf18("1","2","7","3","1","3","1") = "6"
    & skf18("1","2","7","3","1","4","1") = "6"
    & skf18("1","2","7","3","1","5","1") = "6"
    & skf18("1","2","7","3","1","6","1") = "6"
    & skf18("1","2","7","3","1","7","1") = "6"
    & skf18("1","2","7","3","1","8","1") = "7"
    & skf18("1","2","7","3","1","9","1") = "8"
    & skf18("1","2","7","3","1","10","1") = "9"
    & skf18("1","2","7","3","2","1","1") = "6"
    & skf18("1","2","7","3","2","2","1") = "6"
    & skf18("1","2","7","3","2","3","1") = "6"
    & skf18("1","2","7","3","2","4","1") = "6"
    & skf18("1","2","7","3","2","5","1") = "6"
    & skf18("1","2","7","3","2","6","1") = "6"
    & skf18("1","2","7","3","2","7","1") = "6"
    & skf18("1","2","7","3","2","8","1") = "7"
    & skf18("1","2","7","3","2","9","1") = "8"
    & skf18("1","2","7","3","2","10","1") = "9"
    & skf18("1","2","7","3","3","1","1") = "6"
    & skf18("1","2","7","3","3","2","1") = "6"
    & skf18("1","2","7","3","3","3","1") = "6"
    & skf18("1","2","7","3","3","4","1") = "6"
    & skf18("1","2","7","3","3","5","1") = "6"
    & skf18("1","2","7","3","3","6","1") = "6"
    & skf18("1","2","7","3","3","7","1") = "6"
    & skf18("1","2","7","3","3","8","1") = "7"
    & skf18("1","2","7","3","3","9","1") = "8"
    & skf18("1","2","7","3","3","10","1") = "9"
    & skf18("1","2","7","3","4","1","1") = "6"
    & skf18("1","2","7","3","4","2","1") = "6"
    & skf18("1","2","7","3","4","3","1") = "6"
    & skf18("1","2","7","3","4","4","1") = "6"
    & skf18("1","2","7","3","4","5","1") = "6"
    & skf18("1","2","7","3","4","6","1") = "6"
    & skf18("1","2","7","3","4","7","1") = "6"
    & skf18("1","2","7","3","4","8","1") = "7"
    & skf18("1","2","7","3","4","9","1") = "8"
    & skf18("1","2","7","3","4","10","1") = "9"
    & skf18("1","2","7","3","5","1","1") = "6"
    & skf18("1","2","7","3","5","2","1") = "6"
    & skf18("1","2","7","3","5","3","1") = "6"
    & skf18("1","2","7","3","5","4","1") = "6"
    & skf18("1","2","7","3","5","5","1") = "6"
    & skf18("1","2","7","3","5","6","1") = "6"
    & skf18("1","2","7","3","5","7","1") = "6"
    & skf18("1","2","7","3","5","8","1") = "7"
    & skf18("1","2","7","3","5","9","1") = "8"
    & skf18("1","2","7","3","5","10","1") = "9"
    & skf18("1","2","7","3","6","1","1") = "6"
    & skf18("1","2","7","3","6","2","1") = "6"
    & skf18("1","2","7","3","6","3","1") = "6"
    & skf18("1","2","7","3","6","4","1") = "6"
    & skf18("1","2","7","3","6","5","1") = "6"
    & skf18("1","2","7","3","6","6","1") = "6"
    & skf18("1","2","7","3","6","7","1") = "6"
    & skf18("1","2","7","3","6","8","1") = "7"
    & skf18("1","2","7","3","6","9","1") = "8"
    & skf18("1","2","7","3","6","10","1") = "9"
    & skf18("1","2","7","3","7","1","1") = "6"
    & skf18("1","2","7","3","7","2","1") = "6"
    & skf18("1","2","7","3","7","3","1") = "6"
    & skf18("1","2","7","3","7","4","1") = "6"
    & skf18("1","2","7","3","7","5","1") = "6"
    & skf18("1","2","7","3","7","6","1") = "6"
    & skf18("1","2","7","3","7","7","1") = "6"
    & skf18("1","2","7","3","7","8","1") = "7"
    & skf18("1","2","7","3","7","9","1") = "8"
    & skf18("1","2","7","3","7","10","1") = "9"
    & skf18("1","2","7","3","8","1","1") = "7"
    & skf18("1","2","7","3","8","2","1") = "7"
    & skf18("1","2","7","3","8","3","1") = "7"
    & skf18("1","2","7","3","8","4","1") = "7"
    & skf18("1","2","7","3","8","5","1") = "7"
    & skf18("1","2","7","3","8","6","1") = "7"
    & skf18("1","2","7","3","8","7","1") = "7"
    & skf18("1","2","7","3","8","8","1") = "7"
    & skf18("1","2","7","3","8","9","1") = "8"
    & skf18("1","2","7","3","8","10","1") = "9"
    & skf18("1","2","7","3","9","1","1") = "8"
    & skf18("1","2","7","3","9","2","1") = "8"
    & skf18("1","2","7","3","9","3","1") = "8"
    & skf18("1","2","7","3","9","4","1") = "8"
    & skf18("1","2","7","3","9","5","1") = "8"
    & skf18("1","2","7","3","9","6","1") = "8"
    & skf18("1","2","7","3","9","7","1") = "8"
    & skf18("1","2","7","3","9","8","1") = "8"
    & skf18("1","2","7","3","9","9","1") = "8"
    & skf18("1","2","7","3","9","10","1") = "9"
    & skf18("1","2","7","3","10","1","1") = "9"
    & skf18("1","2","7","3","10","2","1") = "9"
    & skf18("1","2","7","3","10","3","1") = "9"
    & skf18("1","2","7","3","10","4","1") = "9"
    & skf18("1","2","7","3","10","5","1") = "9"
    & skf18("1","2","7","3","10","6","1") = "9"
    & skf18("1","2","7","3","10","7","1") = "9"
    & skf18("1","2","7","3","10","8","1") = "9"
    & skf18("1","2","7","3","10","9","1") = "9"
    & skf18("1","2","7","3","10","10","1") = "9"
    & skf18("1","2","7","4","1","1","1") = "6"
    & skf18("1","2","7","4","1","2","1") = "6"
    & skf18("1","2","7","4","1","3","1") = "6"
    & skf18("1","2","7","4","1","4","1") = "6"
    & skf18("1","2","7","4","1","5","1") = "6"
    & skf18("1","2","7","4","1","6","1") = "6"
    & skf18("1","2","7","4","1","7","1") = "6"
    & skf18("1","2","7","4","1","8","1") = "7"
    & skf18("1","2","7","4","1","9","1") = "8"
    & skf18("1","2","7","4","1","10","1") = "9"
    & skf18("1","2","7","4","2","1","1") = "6"
    & skf18("1","2","7","4","2","2","1") = "6"
    & skf18("1","2","7","4","2","3","1") = "6"
    & skf18("1","2","7","4","2","4","1") = "6"
    & skf18("1","2","7","4","2","5","1") = "6"
    & skf18("1","2","7","4","2","6","1") = "6"
    & skf18("1","2","7","4","2","7","1") = "6"
    & skf18("1","2","7","4","2","8","1") = "7"
    & skf18("1","2","7","4","2","9","1") = "8"
    & skf18("1","2","7","4","2","10","1") = "9"
    & skf18("1","2","7","4","3","1","1") = "6"
    & skf18("1","2","7","4","3","2","1") = "6"
    & skf18("1","2","7","4","3","3","1") = "6"
    & skf18("1","2","7","4","3","4","1") = "6"
    & skf18("1","2","7","4","3","5","1") = "6"
    & skf18("1","2","7","4","3","6","1") = "6"
    & skf18("1","2","7","4","3","7","1") = "6"
    & skf18("1","2","7","4","3","8","1") = "7"
    & skf18("1","2","7","4","3","9","1") = "8"
    & skf18("1","2","7","4","3","10","1") = "9"
    & skf18("1","2","7","4","4","1","1") = "6"
    & skf18("1","2","7","4","4","2","1") = "6"
    & skf18("1","2","7","4","4","3","1") = "6"
    & skf18("1","2","7","4","4","4","1") = "6"
    & skf18("1","2","7","4","4","5","1") = "6"
    & skf18("1","2","7","4","4","6","1") = "6"
    & skf18("1","2","7","4","4","7","1") = "6"
    & skf18("1","2","7","4","4","8","1") = "7"
    & skf18("1","2","7","4","4","9","1") = "8"
    & skf18("1","2","7","4","4","10","1") = "9"
    & skf18("1","2","7","4","5","1","1") = "6"
    & skf18("1","2","7","4","5","2","1") = "6"
    & skf18("1","2","7","4","5","3","1") = "6"
    & skf18("1","2","7","4","5","4","1") = "6"
    & skf18("1","2","7","4","5","5","1") = "6"
    & skf18("1","2","7","4","5","6","1") = "6"
    & skf18("1","2","7","4","5","7","1") = "6"
    & skf18("1","2","7","4","5","8","1") = "7"
    & skf18("1","2","7","4","5","9","1") = "8"
    & skf18("1","2","7","4","5","10","1") = "9"
    & skf18("1","2","7","4","6","1","1") = "6"
    & skf18("1","2","7","4","6","2","1") = "6"
    & skf18("1","2","7","4","6","3","1") = "6"
    & skf18("1","2","7","4","6","4","1") = "6"
    & skf18("1","2","7","4","6","5","1") = "6"
    & skf18("1","2","7","4","6","6","1") = "6"
    & skf18("1","2","7","4","6","7","1") = "6"
    & skf18("1","2","7","4","6","8","1") = "7"
    & skf18("1","2","7","4","6","9","1") = "8"
    & skf18("1","2","7","4","6","10","1") = "9"
    & skf18("1","2","7","4","7","1","1") = "6"
    & skf18("1","2","7","4","7","2","1") = "6"
    & skf18("1","2","7","4","7","3","1") = "6"
    & skf18("1","2","7","4","7","4","1") = "6"
    & skf18("1","2","7","4","7","5","1") = "6"
    & skf18("1","2","7","4","7","6","1") = "6"
    & skf18("1","2","7","4","7","7","1") = "6"
    & skf18("1","2","7","4","7","8","1") = "7"
    & skf18("1","2","7","4","7","9","1") = "8"
    & skf18("1","2","7","4","7","10","1") = "9"
    & skf18("1","2","7","4","8","1","1") = "7"
    & skf18("1","2","7","4","8","2","1") = "7"
    & skf18("1","2","7","4","8","3","1") = "7"
    & skf18("1","2","7","4","8","4","1") = "7"
    & skf18("1","2","7","4","8","5","1") = "7"
    & skf18("1","2","7","4","8","6","1") = "7"
    & skf18("1","2","7","4","8","7","1") = "7"
    & skf18("1","2","7","4","8","8","1") = "7"
    & skf18("1","2","7","4","8","9","1") = "8"
    & skf18("1","2","7","4","8","10","1") = "9"
    & skf18("1","2","7","4","9","1","1") = "8"
    & skf18("1","2","7","4","9","2","1") = "8"
    & skf18("1","2","7","4","9","3","1") = "8"
    & skf18("1","2","7","4","9","4","1") = "8"
    & skf18("1","2","7","4","9","5","1") = "8"
    & skf18("1","2","7","4","9","6","1") = "8"
    & skf18("1","2","7","4","9","7","1") = "8"
    & skf18("1","2","7","4","9","8","1") = "8"
    & skf18("1","2","7","4","9","9","1") = "8"
    & skf18("1","2","7","4","9","10","1") = "9"
    & skf18("1","2","7","4","10","1","1") = "9"
    & skf18("1","2","7","4","10","2","1") = "9"
    & skf18("1","2","7","4","10","3","1") = "9"
    & skf18("1","2","7","4","10","4","1") = "9"
    & skf18("1","2","7","4","10","5","1") = "9"
    & skf18("1","2","7","4","10","6","1") = "9"
    & skf18("1","2","7","4","10","7","1") = "9"
    & skf18("1","2","7","4","10","8","1") = "9"
    & skf18("1","2","7","4","10","9","1") = "9"
    & skf18("1","2","7","4","10","10","1") = "9"
    & skf18("1","2","7","5","1","1","1") = "6"
    & skf18("1","2","7","5","1","2","1") = "6"
    & skf18("1","2","7","5","1","3","1") = "6"
    & skf18("1","2","7","5","1","4","1") = "6"
    & skf18("1","2","7","5","1","5","1") = "6"
    & skf18("1","2","7","5","1","6","1") = "6"
    & skf18("1","2","7","5","1","7","1") = "6"
    & skf18("1","2","7","5","1","8","1") = "7"
    & skf18("1","2","7","5","1","9","1") = "8"
    & skf18("1","2","7","5","1","10","1") = "9"
    & skf18("1","2","7","5","2","1","1") = "6"
    & skf18("1","2","7","5","2","2","1") = "6"
    & skf18("1","2","7","5","2","3","1") = "6"
    & skf18("1","2","7","5","2","4","1") = "6"
    & skf18("1","2","7","5","2","5","1") = "6"
    & skf18("1","2","7","5","2","6","1") = "6"
    & skf18("1","2","7","5","2","7","1") = "6"
    & skf18("1","2","7","5","2","8","1") = "7"
    & skf18("1","2","7","5","2","9","1") = "8"
    & skf18("1","2","7","5","2","10","1") = "9"
    & skf18("1","2","7","5","3","1","1") = "6"
    & skf18("1","2","7","5","3","2","1") = "6"
    & skf18("1","2","7","5","3","3","1") = "6"
    & skf18("1","2","7","5","3","4","1") = "6"
    & skf18("1","2","7","5","3","5","1") = "6"
    & skf18("1","2","7","5","3","6","1") = "6"
    & skf18("1","2","7","5","3","7","1") = "6"
    & skf18("1","2","7","5","3","8","1") = "7"
    & skf18("1","2","7","5","3","9","1") = "8"
    & skf18("1","2","7","5","3","10","1") = "9"
    & skf18("1","2","7","5","4","1","1") = "6"
    & skf18("1","2","7","5","4","2","1") = "6"
    & skf18("1","2","7","5","4","3","1") = "6"
    & skf18("1","2","7","5","4","4","1") = "6"
    & skf18("1","2","7","5","4","5","1") = "6"
    & skf18("1","2","7","5","4","6","1") = "6"
    & skf18("1","2","7","5","4","7","1") = "6"
    & skf18("1","2","7","5","4","8","1") = "7"
    & skf18("1","2","7","5","4","9","1") = "8"
    & skf18("1","2","7","5","4","10","1") = "9"
    & skf18("1","2","7","5","5","1","1") = "6"
    & skf18("1","2","7","5","5","2","1") = "6"
    & skf18("1","2","7","5","5","3","1") = "6"
    & skf18("1","2","7","5","5","4","1") = "6"
    & skf18("1","2","7","5","5","5","1") = "6"
    & skf18("1","2","7","5","5","6","1") = "6"
    & skf18("1","2","7","5","5","7","1") = "6"
    & skf18("1","2","7","5","5","8","1") = "7"
    & skf18("1","2","7","5","5","9","1") = "8"
    & skf18("1","2","7","5","5","10","1") = "9"
    & skf18("1","2","7","5","6","1","1") = "6"
    & skf18("1","2","7","5","6","2","1") = "6"
    & skf18("1","2","7","5","6","3","1") = "6"
    & skf18("1","2","7","5","6","4","1") = "6"
    & skf18("1","2","7","5","6","5","1") = "6"
    & skf18("1","2","7","5","6","6","1") = "6"
    & skf18("1","2","7","5","6","7","1") = "6"
    & skf18("1","2","7","5","6","8","1") = "7"
    & skf18("1","2","7","5","6","9","1") = "8"
    & skf18("1","2","7","5","6","10","1") = "9"
    & skf18("1","2","7","5","7","1","1") = "6"
    & skf18("1","2","7","5","7","2","1") = "6"
    & skf18("1","2","7","5","7","3","1") = "6"
    & skf18("1","2","7","5","7","4","1") = "6"
    & skf18("1","2","7","5","7","5","1") = "6"
    & skf18("1","2","7","5","7","6","1") = "6"
    & skf18("1","2","7","5","7","7","1") = "6"
    & skf18("1","2","7","5","7","8","1") = "7"
    & skf18("1","2","7","5","7","9","1") = "8"
    & skf18("1","2","7","5","7","10","1") = "9"
    & skf18("1","2","7","5","8","1","1") = "7"
    & skf18("1","2","7","5","8","2","1") = "7"
    & skf18("1","2","7","5","8","3","1") = "7"
    & skf18("1","2","7","5","8","4","1") = "7"
    & skf18("1","2","7","5","8","5","1") = "7"
    & skf18("1","2","7","5","8","6","1") = "7"
    & skf18("1","2","7","5","8","7","1") = "7"
    & skf18("1","2","7","5","8","8","1") = "7"
    & skf18("1","2","7","5","8","9","1") = "8"
    & skf18("1","2","7","5","8","10","1") = "9"
    & skf18("1","2","7","5","9","1","1") = "8"
    & skf18("1","2","7","5","9","2","1") = "8"
    & skf18("1","2","7","5","9","3","1") = "8"
    & skf18("1","2","7","5","9","4","1") = "8"
    & skf18("1","2","7","5","9","5","1") = "8"
    & skf18("1","2","7","5","9","6","1") = "8"
    & skf18("1","2","7","5","9","7","1") = "8"
    & skf18("1","2","7","5","9","8","1") = "8"
    & skf18("1","2","7","5","9","9","1") = "8"
    & skf18("1","2","7","5","9","10","1") = "9"
    & skf18("1","2","7","5","10","1","1") = "9"
    & skf18("1","2","7","5","10","2","1") = "9"
    & skf18("1","2","7","5","10","3","1") = "9"
    & skf18("1","2","7","5","10","4","1") = "9"
    & skf18("1","2","7","5","10","5","1") = "9"
    & skf18("1","2","7","5","10","6","1") = "9"
    & skf18("1","2","7","5","10","7","1") = "9"
    & skf18("1","2","7","5","10","8","1") = "9"
    & skf18("1","2","7","5","10","9","1") = "9"
    & skf18("1","2","7","5","10","10","1") = "9"
    & skf18("1","2","7","6","1","1","1") = "6"
    & skf18("1","2","7","6","1","2","1") = "6"
    & skf18("1","2","7","6","1","3","1") = "6"
    & skf18("1","2","7","6","1","4","1") = "6"
    & skf18("1","2","7","6","1","5","1") = "6"
    & skf18("1","2","7","6","1","6","1") = "6"
    & skf18("1","2","7","6","1","7","1") = "6"
    & skf18("1","2","7","6","1","8","1") = "7"
    & skf18("1","2","7","6","1","9","1") = "8"
    & skf18("1","2","7","6","1","10","1") = "9"
    & skf18("1","2","7","6","2","1","1") = "6"
    & skf18("1","2","7","6","2","2","1") = "6"
    & skf18("1","2","7","6","2","3","1") = "6"
    & skf18("1","2","7","6","2","4","1") = "6"
    & skf18("1","2","7","6","2","5","1") = "6"
    & skf18("1","2","7","6","2","6","1") = "6"
    & skf18("1","2","7","6","2","7","1") = "6"
    & skf18("1","2","7","6","2","8","1") = "7"
    & skf18("1","2","7","6","2","9","1") = "8"
    & skf18("1","2","7","6","2","10","1") = "9"
    & skf18("1","2","7","6","3","1","1") = "6"
    & skf18("1","2","7","6","3","2","1") = "6"
    & skf18("1","2","7","6","3","3","1") = "6"
    & skf18("1","2","7","6","3","4","1") = "6"
    & skf18("1","2","7","6","3","5","1") = "6"
    & skf18("1","2","7","6","3","6","1") = "6"
    & skf18("1","2","7","6","3","7","1") = "6"
    & skf18("1","2","7","6","3","8","1") = "7"
    & skf18("1","2","7","6","3","9","1") = "8"
    & skf18("1","2","7","6","3","10","1") = "9"
    & skf18("1","2","7","6","4","1","1") = "6"
    & skf18("1","2","7","6","4","2","1") = "6"
    & skf18("1","2","7","6","4","3","1") = "6"
    & skf18("1","2","7","6","4","4","1") = "6"
    & skf18("1","2","7","6","4","5","1") = "6"
    & skf18("1","2","7","6","4","6","1") = "6"
    & skf18("1","2","7","6","4","7","1") = "6"
    & skf18("1","2","7","6","4","8","1") = "7"
    & skf18("1","2","7","6","4","9","1") = "8"
    & skf18("1","2","7","6","4","10","1") = "9"
    & skf18("1","2","7","6","5","1","1") = "6"
    & skf18("1","2","7","6","5","2","1") = "6"
    & skf18("1","2","7","6","5","3","1") = "6"
    & skf18("1","2","7","6","5","4","1") = "6"
    & skf18("1","2","7","6","5","5","1") = "6"
    & skf18("1","2","7","6","5","6","1") = "6"
    & skf18("1","2","7","6","5","7","1") = "6"
    & skf18("1","2","7","6","5","8","1") = "7"
    & skf18("1","2","7","6","5","9","1") = "8"
    & skf18("1","2","7","6","5","10","1") = "9"
    & skf18("1","2","7","6","6","1","1") = "6"
    & skf18("1","2","7","6","6","2","1") = "6"
    & skf18("1","2","7","6","6","3","1") = "6"
    & skf18("1","2","7","6","6","4","1") = "6"
    & skf18("1","2","7","6","6","5","1") = "6"
    & skf18("1","2","7","6","6","6","1") = "6"
    & skf18("1","2","7","6","6","7","1") = "6"
    & skf18("1","2","7","6","6","8","1") = "7"
    & skf18("1","2","7","6","6","9","1") = "8"
    & skf18("1","2","7","6","6","10","1") = "9"
    & skf18("1","2","7","6","7","1","1") = "6"
    & skf18("1","2","7","6","7","2","1") = "6"
    & skf18("1","2","7","6","7","3","1") = "6"
    & skf18("1","2","7","6","7","4","1") = "6"
    & skf18("1","2","7","6","7","5","1") = "6"
    & skf18("1","2","7","6","7","6","1") = "6"
    & skf18("1","2","7","6","7","7","1") = "6"
    & skf18("1","2","7","6","7","8","1") = "7"
    & skf18("1","2","7","6","7","9","1") = "8"
    & skf18("1","2","7","6","7","10","1") = "9"
    & skf18("1","2","7","6","8","1","1") = "7"
    & skf18("1","2","7","6","8","2","1") = "7"
    & skf18("1","2","7","6","8","3","1") = "7"
    & skf18("1","2","7","6","8","4","1") = "7"
    & skf18("1","2","7","6","8","5","1") = "7"
    & skf18("1","2","7","6","8","6","1") = "7"
    & skf18("1","2","7","6","8","7","1") = "7"
    & skf18("1","2","7","6","8","8","1") = "7"
    & skf18("1","2","7","6","8","9","1") = "8"
    & skf18("1","2","7","6","8","10","1") = "9"
    & skf18("1","2","7","6","9","1","1") = "8"
    & skf18("1","2","7","6","9","2","1") = "8"
    & skf18("1","2","7","6","9","3","1") = "8"
    & skf18("1","2","7","6","9","4","1") = "8"
    & skf18("1","2","7","6","9","5","1") = "8"
    & skf18("1","2","7","6","9","6","1") = "8"
    & skf18("1","2","7","6","9","7","1") = "8"
    & skf18("1","2","7","6","9","8","1") = "8"
    & skf18("1","2","7","6","9","9","1") = "8"
    & skf18("1","2","7","6","9","10","1") = "9"
    & skf18("1","2","7","6","10","1","1") = "9"
    & skf18("1","2","7","6","10","2","1") = "9"
    & skf18("1","2","7","6","10","3","1") = "9"
    & skf18("1","2","7","6","10","4","1") = "9"
    & skf18("1","2","7","6","10","5","1") = "9"
    & skf18("1","2","7","6","10","6","1") = "9"
    & skf18("1","2","7","6","10","7","1") = "9"
    & skf18("1","2","7","6","10","8","1") = "9"
    & skf18("1","2","7","6","10","9","1") = "9"
    & skf18("1","2","7","6","10","10","1") = "9"
    & skf18("1","2","7","7","1","1","1") = "6"
    & skf18("1","2","7","7","1","2","1") = "6"
    & skf18("1","2","7","7","1","3","1") = "6"
    & skf18("1","2","7","7","1","4","1") = "6"
    & skf18("1","2","7","7","1","5","1") = "6"
    & skf18("1","2","7","7","1","6","1") = "6"
    & skf18("1","2","7","7","1","7","1") = "6"
    & skf18("1","2","7","7","1","8","1") = "7"
    & skf18("1","2","7","7","1","9","1") = "8"
    & skf18("1","2","7","7","1","10","1") = "9"
    & skf18("1","2","7","7","2","1","1") = "6"
    & skf18("1","2","7","7","2","2","1") = "6"
    & skf18("1","2","7","7","2","3","1") = "6"
    & skf18("1","2","7","7","2","4","1") = "6"
    & skf18("1","2","7","7","2","5","1") = "6"
    & skf18("1","2","7","7","2","6","1") = "6"
    & skf18("1","2","7","7","2","7","1") = "6"
    & skf18("1","2","7","7","2","8","1") = "7"
    & skf18("1","2","7","7","2","9","1") = "8"
    & skf18("1","2","7","7","2","10","1") = "9"
    & skf18("1","2","7","7","3","1","1") = "6"
    & skf18("1","2","7","7","3","2","1") = "6"
    & skf18("1","2","7","7","3","3","1") = "6"
    & skf18("1","2","7","7","3","4","1") = "6"
    & skf18("1","2","7","7","3","5","1") = "6"
    & skf18("1","2","7","7","3","6","1") = "6"
    & skf18("1","2","7","7","3","7","1") = "6"
    & skf18("1","2","7","7","3","8","1") = "7"
    & skf18("1","2","7","7","3","9","1") = "8"
    & skf18("1","2","7","7","3","10","1") = "9"
    & skf18("1","2","7","7","4","1","1") = "6"
    & skf18("1","2","7","7","4","2","1") = "6"
    & skf18("1","2","7","7","4","3","1") = "6"
    & skf18("1","2","7","7","4","4","1") = "6"
    & skf18("1","2","7","7","4","5","1") = "6"
    & skf18("1","2","7","7","4","6","1") = "6"
    & skf18("1","2","7","7","4","7","1") = "6"
    & skf18("1","2","7","7","4","8","1") = "7"
    & skf18("1","2","7","7","4","9","1") = "8"
    & skf18("1","2","7","7","4","10","1") = "9"
    & skf18("1","2","7","7","5","1","1") = "6"
    & skf18("1","2","7","7","5","2","1") = "6"
    & skf18("1","2","7","7","5","3","1") = "6"
    & skf18("1","2","7","7","5","4","1") = "6"
    & skf18("1","2","7","7","5","5","1") = "6"
    & skf18("1","2","7","7","5","6","1") = "6"
    & skf18("1","2","7","7","5","7","1") = "6"
    & skf18("1","2","7","7","5","8","1") = "7"
    & skf18("1","2","7","7","5","9","1") = "8"
    & skf18("1","2","7","7","5","10","1") = "9"
    & skf18("1","2","7","7","6","1","1") = "6"
    & skf18("1","2","7","7","6","2","1") = "6"
    & skf18("1","2","7","7","6","3","1") = "6"
    & skf18("1","2","7","7","6","4","1") = "6"
    & skf18("1","2","7","7","6","5","1") = "6"
    & skf18("1","2","7","7","6","6","1") = "6"
    & skf18("1","2","7","7","6","7","1") = "6"
    & skf18("1","2","7","7","6","8","1") = "7"
    & skf18("1","2","7","7","6","9","1") = "8"
    & skf18("1","2","7","7","6","10","1") = "9"
    & skf18("1","2","7","7","7","1","1") = "6"
    & skf18("1","2","7","7","7","2","1") = "6"
    & skf18("1","2","7","7","7","3","1") = "6"
    & skf18("1","2","7","7","7","4","1") = "6"
    & skf18("1","2","7","7","7","5","1") = "6"
    & skf18("1","2","7","7","7","6","1") = "6"
    & skf18("1","2","7","7","7","7","1") = "6"
    & skf18("1","2","7","7","7","8","1") = "7"
    & skf18("1","2","7","7","7","9","1") = "8"
    & skf18("1","2","7","7","7","10","1") = "9"
    & skf18("1","2","7","7","8","1","1") = "7"
    & skf18("1","2","7","7","8","2","1") = "7"
    & skf18("1","2","7","7","8","3","1") = "7"
    & skf18("1","2","7","7","8","4","1") = "7"
    & skf18("1","2","7","7","8","5","1") = "7"
    & skf18("1","2","7","7","8","6","1") = "7"
    & skf18("1","2","7","7","8","7","1") = "7"
    & skf18("1","2","7","7","8","8","1") = "7"
    & skf18("1","2","7","7","8","9","1") = "8"
    & skf18("1","2","7","7","8","10","1") = "9"
    & skf18("1","2","7","7","9","1","1") = "8"
    & skf18("1","2","7","7","9","2","1") = "8"
    & skf18("1","2","7","7","9","3","1") = "8"
    & skf18("1","2","7","7","9","4","1") = "8"
    & skf18("1","2","7","7","9","5","1") = "8"
    & skf18("1","2","7","7","9","6","1") = "8"
    & skf18("1","2","7","7","9","7","1") = "8"
    & skf18("1","2","7","7","9","8","1") = "8"
    & skf18("1","2","7","7","9","9","1") = "8"
    & skf18("1","2","7","7","9","10","1") = "9"
    & skf18("1","2","7","7","10","1","1") = "9"
    & skf18("1","2","7","7","10","2","1") = "9"
    & skf18("1","2","7","7","10","3","1") = "9"
    & skf18("1","2","7","7","10","4","1") = "9"
    & skf18("1","2","7","7","10","5","1") = "9"
    & skf18("1","2","7","7","10","6","1") = "9"
    & skf18("1","2","7","7","10","7","1") = "9"
    & skf18("1","2","7","7","10","8","1") = "9"
    & skf18("1","2","7","7","10","9","1") = "9"
    & skf18("1","2","7","7","10","10","1") = "9"
    & skf18("1","2","7","8","1","1","1") = "7"
    & skf18("1","2","7","8","1","2","1") = "7"
    & skf18("1","2","7","8","1","3","1") = "7"
    & skf18("1","2","7","8","1","4","1") = "7"
    & skf18("1","2","7","8","1","5","1") = "7"
    & skf18("1","2","7","8","1","6","1") = "7"
    & skf18("1","2","7","8","1","7","1") = "7"
    & skf18("1","2","7","8","1","8","1") = "7"
    & skf18("1","2","7","8","1","9","1") = "8"
    & skf18("1","2","7","8","1","10","1") = "9"
    & skf18("1","2","7","8","2","1","1") = "7"
    & skf18("1","2","7","8","2","2","1") = "7"
    & skf18("1","2","7","8","2","3","1") = "7"
    & skf18("1","2","7","8","2","4","1") = "7"
    & skf18("1","2","7","8","2","5","1") = "7"
    & skf18("1","2","7","8","2","6","1") = "7"
    & skf18("1","2","7","8","2","7","1") = "7"
    & skf18("1","2","7","8","2","8","1") = "7"
    & skf18("1","2","7","8","2","9","1") = "8"
    & skf18("1","2","7","8","2","10","1") = "9"
    & skf18("1","2","7","8","3","1","1") = "7"
    & skf18("1","2","7","8","3","2","1") = "7"
    & skf18("1","2","7","8","3","3","1") = "7"
    & skf18("1","2","7","8","3","4","1") = "7"
    & skf18("1","2","7","8","3","5","1") = "7"
    & skf18("1","2","7","8","3","6","1") = "7"
    & skf18("1","2","7","8","3","7","1") = "7"
    & skf18("1","2","7","8","3","8","1") = "7"
    & skf18("1","2","7","8","3","9","1") = "8"
    & skf18("1","2","7","8","3","10","1") = "9"
    & skf18("1","2","7","8","4","1","1") = "7"
    & skf18("1","2","7","8","4","2","1") = "7"
    & skf18("1","2","7","8","4","3","1") = "7"
    & skf18("1","2","7","8","4","4","1") = "7"
    & skf18("1","2","7","8","4","5","1") = "7"
    & skf18("1","2","7","8","4","6","1") = "7"
    & skf18("1","2","7","8","4","7","1") = "7"
    & skf18("1","2","7","8","4","8","1") = "7"
    & skf18("1","2","7","8","4","9","1") = "8"
    & skf18("1","2","7","8","4","10","1") = "9"
    & skf18("1","2","7","8","5","1","1") = "7"
    & skf18("1","2","7","8","5","2","1") = "7"
    & skf18("1","2","7","8","5","3","1") = "7"
    & skf18("1","2","7","8","5","4","1") = "7"
    & skf18("1","2","7","8","5","5","1") = "7"
    & skf18("1","2","7","8","5","6","1") = "7"
    & skf18("1","2","7","8","5","7","1") = "7"
    & skf18("1","2","7","8","5","8","1") = "7"
    & skf18("1","2","7","8","5","9","1") = "8"
    & skf18("1","2","7","8","5","10","1") = "9"
    & skf18("1","2","7","8","6","1","1") = "7"
    & skf18("1","2","7","8","6","2","1") = "7"
    & skf18("1","2","7","8","6","3","1") = "7"
    & skf18("1","2","7","8","6","4","1") = "7"
    & skf18("1","2","7","8","6","5","1") = "7"
    & skf18("1","2","7","8","6","6","1") = "7"
    & skf18("1","2","7","8","6","7","1") = "7"
    & skf18("1","2","7","8","6","8","1") = "7"
    & skf18("1","2","7","8","6","9","1") = "8"
    & skf18("1","2","7","8","6","10","1") = "9"
    & skf18("1","2","7","8","7","1","1") = "7"
    & skf18("1","2","7","8","7","2","1") = "7"
    & skf18("1","2","7","8","7","3","1") = "7"
    & skf18("1","2","7","8","7","4","1") = "7"
    & skf18("1","2","7","8","7","5","1") = "7"
    & skf18("1","2","7","8","7","6","1") = "7"
    & skf18("1","2","7","8","7","7","1") = "7"
    & skf18("1","2","7","8","7","8","1") = "7"
    & skf18("1","2","7","8","7","9","1") = "8"
    & skf18("1","2","7","8","7","10","1") = "9"
    & skf18("1","2","7","8","8","1","1") = "7"
    & skf18("1","2","7","8","8","2","1") = "7"
    & skf18("1","2","7","8","8","3","1") = "7"
    & skf18("1","2","7","8","8","4","1") = "7"
    & skf18("1","2","7","8","8","5","1") = "7"
    & skf18("1","2","7","8","8","6","1") = "7"
    & skf18("1","2","7","8","8","7","1") = "7"
    & skf18("1","2","7","8","8","8","1") = "7"
    & skf18("1","2","7","8","8","9","1") = "8"
    & skf18("1","2","7","8","8","10","1") = "9"
    & skf18("1","2","7","8","9","1","1") = "8"
    & skf18("1","2","7","8","9","2","1") = "8"
    & skf18("1","2","7","8","9","3","1") = "8"
    & skf18("1","2","7","8","9","4","1") = "8"
    & skf18("1","2","7","8","9","5","1") = "8"
    & skf18("1","2","7","8","9","6","1") = "8"
    & skf18("1","2","7","8","9","7","1") = "8"
    & skf18("1","2","7","8","9","8","1") = "8"
    & skf18("1","2","7","8","9","9","1") = "8"
    & skf18("1","2","7","8","9","10","1") = "9"
    & skf18("1","2","7","8","10","1","1") = "9"
    & skf18("1","2","7","8","10","2","1") = "9"
    & skf18("1","2","7","8","10","3","1") = "9"
    & skf18("1","2","7","8","10","4","1") = "9"
    & skf18("1","2","7","8","10","5","1") = "9"
    & skf18("1","2","7","8","10","6","1") = "9"
    & skf18("1","2","7","8","10","7","1") = "9"
    & skf18("1","2","7","8","10","8","1") = "9"
    & skf18("1","2","7","8","10","9","1") = "9"
    & skf18("1","2","7","8","10","10","1") = "9"
    & skf18("1","2","7","9","1","1","1") = "8"
    & skf18("1","2","7","9","1","2","1") = "8"
    & skf18("1","2","7","9","1","3","1") = "8"
    & skf18("1","2","7","9","1","4","1") = "8"
    & skf18("1","2","7","9","1","5","1") = "8"
    & skf18("1","2","7","9","1","6","1") = "8"
    & skf18("1","2","7","9","1","7","1") = "8"
    & skf18("1","2","7","9","1","8","1") = "8"
    & skf18("1","2","7","9","1","9","1") = "8"
    & skf18("1","2","7","9","1","10","1") = "9"
    & skf18("1","2","7","9","2","1","1") = "8"
    & skf18("1","2","7","9","2","2","1") = "8"
    & skf18("1","2","7","9","2","3","1") = "8"
    & skf18("1","2","7","9","2","4","1") = "8"
    & skf18("1","2","7","9","2","5","1") = "8"
    & skf18("1","2","7","9","2","6","1") = "8"
    & skf18("1","2","7","9","2","7","1") = "8"
    & skf18("1","2","7","9","2","8","1") = "8"
    & skf18("1","2","7","9","2","9","1") = "8"
    & skf18("1","2","7","9","2","10","1") = "9"
    & skf18("1","2","7","9","3","1","1") = "8"
    & skf18("1","2","7","9","3","2","1") = "8"
    & skf18("1","2","7","9","3","3","1") = "8"
    & skf18("1","2","7","9","3","4","1") = "8"
    & skf18("1","2","7","9","3","5","1") = "8"
    & skf18("1","2","7","9","3","6","1") = "8"
    & skf18("1","2","7","9","3","7","1") = "8"
    & skf18("1","2","7","9","3","8","1") = "8"
    & skf18("1","2","7","9","3","9","1") = "8"
    & skf18("1","2","7","9","3","10","1") = "9"
    & skf18("1","2","7","9","4","1","1") = "8"
    & skf18("1","2","7","9","4","2","1") = "8"
    & skf18("1","2","7","9","4","3","1") = "8"
    & skf18("1","2","7","9","4","4","1") = "8"
    & skf18("1","2","7","9","4","5","1") = "8"
    & skf18("1","2","7","9","4","6","1") = "8"
    & skf18("1","2","7","9","4","7","1") = "8"
    & skf18("1","2","7","9","4","8","1") = "8"
    & skf18("1","2","7","9","4","9","1") = "8"
    & skf18("1","2","7","9","4","10","1") = "9"
    & skf18("1","2","7","9","5","1","1") = "8"
    & skf18("1","2","7","9","5","2","1") = "8"
    & skf18("1","2","7","9","5","3","1") = "8"
    & skf18("1","2","7","9","5","4","1") = "8"
    & skf18("1","2","7","9","5","5","1") = "8"
    & skf18("1","2","7","9","5","6","1") = "8"
    & skf18("1","2","7","9","5","7","1") = "8"
    & skf18("1","2","7","9","5","8","1") = "8"
    & skf18("1","2","7","9","5","9","1") = "8"
    & skf18("1","2","7","9","5","10","1") = "9"
    & skf18("1","2","7","9","6","1","1") = "8"
    & skf18("1","2","7","9","6","2","1") = "8"
    & skf18("1","2","7","9","6","3","1") = "8"
    & skf18("1","2","7","9","6","4","1") = "8"
    & skf18("1","2","7","9","6","5","1") = "8"
    & skf18("1","2","7","9","6","6","1") = "8"
    & skf18("1","2","7","9","6","7","1") = "8"
    & skf18("1","2","7","9","6","8","1") = "8"
    & skf18("1","2","7","9","6","9","1") = "8"
    & skf18("1","2","7","9","6","10","1") = "9"
    & skf18("1","2","7","9","7","1","1") = "8"
    & skf18("1","2","7","9","7","2","1") = "8"
    & skf18("1","2","7","9","7","3","1") = "8"
    & skf18("1","2","7","9","7","4","1") = "8"
    & skf18("1","2","7","9","7","5","1") = "8"
    & skf18("1","2","7","9","7","6","1") = "8"
    & skf18("1","2","7","9","7","7","1") = "8"
    & skf18("1","2","7","9","7","8","1") = "8"
    & skf18("1","2","7","9","7","9","1") = "8"
    & skf18("1","2","7","9","7","10","1") = "9"
    & skf18("1","2","7","9","8","1","1") = "8"
    & skf18("1","2","7","9","8","2","1") = "8"
    & skf18("1","2","7","9","8","3","1") = "8"
    & skf18("1","2","7","9","8","4","1") = "8"
    & skf18("1","2","7","9","8","5","1") = "8"
    & skf18("1","2","7","9","8","6","1") = "8"
    & skf18("1","2","7","9","8","7","1") = "8"
    & skf18("1","2","7","9","8","8","1") = "8"
    & skf18("1","2","7","9","8","9","1") = "8"
    & skf18("1","2","7","9","8","10","1") = "9"
    & skf18("1","2","7","9","9","1","1") = "8"
    & skf18("1","2","7","9","9","2","1") = "8"
    & skf18("1","2","7","9","9","3","1") = "8"
    & skf18("1","2","7","9","9","4","1") = "8"
    & skf18("1","2","7","9","9","5","1") = "8"
    & skf18("1","2","7","9","9","6","1") = "8"
    & skf18("1","2","7","9","9","7","1") = "8"
    & skf18("1","2","7","9","9","8","1") = "8"
    & skf18("1","2","7","9","9","9","1") = "8"
    & skf18("1","2","7","9","9","10","1") = "9"
    & skf18("1","2","7","9","10","1","1") = "9"
    & skf18("1","2","7","9","10","2","1") = "9"
    & skf18("1","2","7","9","10","3","1") = "9"
    & skf18("1","2","7","9","10","4","1") = "9"
    & skf18("1","2","7","9","10","5","1") = "9"
    & skf18("1","2","7","9","10","6","1") = "9"
    & skf18("1","2","7","9","10","7","1") = "9"
    & skf18("1","2","7","9","10","8","1") = "9"
    & skf18("1","2","7","9","10","9","1") = "9"
    & skf18("1","2","7","9","10","10","1") = "9"
    & skf18("1","2","7","10","1","1","1") = "9"
    & skf18("1","2","7","10","1","2","1") = "9"
    & skf18("1","2","7","10","1","3","1") = "9"
    & skf18("1","2","7","10","1","4","1") = "9"
    & skf18("1","2","7","10","1","5","1") = "9"
    & skf18("1","2","7","10","1","6","1") = "9"
    & skf18("1","2","7","10","1","7","1") = "9"
    & skf18("1","2","7","10","1","8","1") = "9"
    & skf18("1","2","7","10","1","9","1") = "9"
    & skf18("1","2","7","10","1","10","1") = "9"
    & skf18("1","2","7","10","2","1","1") = "9"
    & skf18("1","2","7","10","2","2","1") = "9"
    & skf18("1","2","7","10","2","3","1") = "9"
    & skf18("1","2","7","10","2","4","1") = "9"
    & skf18("1","2","7","10","2","5","1") = "9"
    & skf18("1","2","7","10","2","6","1") = "9"
    & skf18("1","2","7","10","2","7","1") = "9"
    & skf18("1","2","7","10","2","8","1") = "9"
    & skf18("1","2","7","10","2","9","1") = "9"
    & skf18("1","2","7","10","2","10","1") = "9"
    & skf18("1","2","7","10","3","1","1") = "9"
    & skf18("1","2","7","10","3","2","1") = "9"
    & skf18("1","2","7","10","3","3","1") = "9"
    & skf18("1","2","7","10","3","4","1") = "9"
    & skf18("1","2","7","10","3","5","1") = "9"
    & skf18("1","2","7","10","3","6","1") = "9"
    & skf18("1","2","7","10","3","7","1") = "9"
    & skf18("1","2","7","10","3","8","1") = "9"
    & skf18("1","2","7","10","3","9","1") = "9"
    & skf18("1","2","7","10","3","10","1") = "9"
    & skf18("1","2","7","10","4","1","1") = "9"
    & skf18("1","2","7","10","4","2","1") = "9"
    & skf18("1","2","7","10","4","3","1") = "9"
    & skf18("1","2","7","10","4","4","1") = "9"
    & skf18("1","2","7","10","4","5","1") = "9"
    & skf18("1","2","7","10","4","6","1") = "9"
    & skf18("1","2","7","10","4","7","1") = "9"
    & skf18("1","2","7","10","4","8","1") = "9"
    & skf18("1","2","7","10","4","9","1") = "9"
    & skf18("1","2","7","10","4","10","1") = "9"
    & skf18("1","2","7","10","5","1","1") = "9"
    & skf18("1","2","7","10","5","2","1") = "9"
    & skf18("1","2","7","10","5","3","1") = "9"
    & skf18("1","2","7","10","5","4","1") = "9"
    & skf18("1","2","7","10","5","5","1") = "9"
    & skf18("1","2","7","10","5","6","1") = "9"
    & skf18("1","2","7","10","5","7","1") = "9"
    & skf18("1","2","7","10","5","8","1") = "9"
    & skf18("1","2","7","10","5","9","1") = "9"
    & skf18("1","2","7","10","5","10","1") = "9"
    & skf18("1","2","7","10","6","1","1") = "9"
    & skf18("1","2","7","10","6","2","1") = "9"
    & skf18("1","2","7","10","6","3","1") = "9"
    & skf18("1","2","7","10","6","4","1") = "9"
    & skf18("1","2","7","10","6","5","1") = "9"
    & skf18("1","2","7","10","6","6","1") = "9"
    & skf18("1","2","7","10","6","7","1") = "9"
    & skf18("1","2","7","10","6","8","1") = "9"
    & skf18("1","2","7","10","6","9","1") = "9"
    & skf18("1","2","7","10","6","10","1") = "9"
    & skf18("1","2","7","10","7","1","1") = "9"
    & skf18("1","2","7","10","7","2","1") = "9"
    & skf18("1","2","7","10","7","3","1") = "9"
    & skf18("1","2","7","10","7","4","1") = "9"
    & skf18("1","2","7","10","7","5","1") = "9"
    & skf18("1","2","7","10","7","6","1") = "9"
    & skf18("1","2","7","10","7","7","1") = "9"
    & skf18("1","2","7","10","7","8","1") = "9"
    & skf18("1","2","7","10","7","9","1") = "9"
    & skf18("1","2","7","10","7","10","1") = "9"
    & skf18("1","2","7","10","8","1","1") = "9"
    & skf18("1","2","7","10","8","2","1") = "9"
    & skf18("1","2","7","10","8","3","1") = "9"
    & skf18("1","2","7","10","8","4","1") = "9"
    & skf18("1","2","7","10","8","5","1") = "9"
    & skf18("1","2","7","10","8","6","1") = "9"
    & skf18("1","2","7","10","8","7","1") = "9"
    & skf18("1","2","7","10","8","8","1") = "9"
    & skf18("1","2","7","10","8","9","1") = "9"
    & skf18("1","2","7","10","8","10","1") = "9"
    & skf18("1","2","7","10","9","1","1") = "9"
    & skf18("1","2","7","10","9","2","1") = "9"
    & skf18("1","2","7","10","9","3","1") = "9"
    & skf18("1","2","7","10","9","4","1") = "9"
    & skf18("1","2","7","10","9","5","1") = "9"
    & skf18("1","2","7","10","9","6","1") = "9"
    & skf18("1","2","7","10","9","7","1") = "9"
    & skf18("1","2","7","10","9","8","1") = "9"
    & skf18("1","2","7","10","9","9","1") = "9"
    & skf18("1","2","7","10","9","10","1") = "9"
    & skf18("1","2","7","10","10","1","1") = "9"
    & skf18("1","2","7","10","10","2","1") = "9"
    & skf18("1","2","7","10","10","3","1") = "9"
    & skf18("1","2","7","10","10","4","1") = "9"
    & skf18("1","2","7","10","10","5","1") = "9"
    & skf18("1","2","7","10","10","6","1") = "9"
    & skf18("1","2","7","10","10","7","1") = "9"
    & skf18("1","2","7","10","10","8","1") = "9"
    & skf18("1","2","7","10","10","9","1") = "9"
    & skf18("1","2","7","10","10","10","1") = "9"
    & skf18("1","2","8","1","1","1","1") = "7"
    & skf18("1","2","8","1","1","2","1") = "7"
    & skf18("1","2","8","1","1","3","1") = "7"
    & skf18("1","2","8","1","1","4","1") = "7"
    & skf18("1","2","8","1","1","5","1") = "7"
    & skf18("1","2","8","1","1","6","1") = "7"
    & skf18("1","2","8","1","1","7","1") = "7"
    & skf18("1","2","8","1","1","8","1") = "7"
    & skf18("1","2","8","1","1","9","1") = "8"
    & skf18("1","2","8","1","1","10","1") = "9"
    & skf18("1","2","8","1","2","1","1") = "7"
    & skf18("1","2","8","1","2","2","1") = "7"
    & skf18("1","2","8","1","2","3","1") = "7"
    & skf18("1","2","8","1","2","4","1") = "7"
    & skf18("1","2","8","1","2","5","1") = "7"
    & skf18("1","2","8","1","2","6","1") = "7"
    & skf18("1","2","8","1","2","7","1") = "7"
    & skf18("1","2","8","1","2","8","1") = "7"
    & skf18("1","2","8","1","2","9","1") = "8"
    & skf18("1","2","8","1","2","10","1") = "9"
    & skf18("1","2","8","1","3","1","1") = "7"
    & skf18("1","2","8","1","3","2","1") = "7"
    & skf18("1","2","8","1","3","3","1") = "7"
    & skf18("1","2","8","1","3","4","1") = "7"
    & skf18("1","2","8","1","3","5","1") = "7"
    & skf18("1","2","8","1","3","6","1") = "7"
    & skf18("1","2","8","1","3","7","1") = "7"
    & skf18("1","2","8","1","3","8","1") = "7"
    & skf18("1","2","8","1","3","9","1") = "8"
    & skf18("1","2","8","1","3","10","1") = "9"
    & skf18("1","2","8","1","4","1","1") = "7"
    & skf18("1","2","8","1","4","2","1") = "7"
    & skf18("1","2","8","1","4","3","1") = "7"
    & skf18("1","2","8","1","4","4","1") = "7"
    & skf18("1","2","8","1","4","5","1") = "7"
    & skf18("1","2","8","1","4","6","1") = "7"
    & skf18("1","2","8","1","4","7","1") = "7"
    & skf18("1","2","8","1","4","8","1") = "7"
    & skf18("1","2","8","1","4","9","1") = "8"
    & skf18("1","2","8","1","4","10","1") = "9"
    & skf18("1","2","8","1","5","1","1") = "7"
    & skf18("1","2","8","1","5","2","1") = "7"
    & skf18("1","2","8","1","5","3","1") = "7"
    & skf18("1","2","8","1","5","4","1") = "7"
    & skf18("1","2","8","1","5","5","1") = "7"
    & skf18("1","2","8","1","5","6","1") = "7"
    & skf18("1","2","8","1","5","7","1") = "7"
    & skf18("1","2","8","1","5","8","1") = "7"
    & skf18("1","2","8","1","5","9","1") = "8"
    & skf18("1","2","8","1","5","10","1") = "9"
    & skf18("1","2","8","1","6","1","1") = "7"
    & skf18("1","2","8","1","6","2","1") = "7"
    & skf18("1","2","8","1","6","3","1") = "7"
    & skf18("1","2","8","1","6","4","1") = "7"
    & skf18("1","2","8","1","6","5","1") = "7"
    & skf18("1","2","8","1","6","6","1") = "7"
    & skf18("1","2","8","1","6","7","1") = "7"
    & skf18("1","2","8","1","6","8","1") = "7"
    & skf18("1","2","8","1","6","9","1") = "8"
    & skf18("1","2","8","1","6","10","1") = "9"
    & skf18("1","2","8","1","7","1","1") = "7"
    & skf18("1","2","8","1","7","2","1") = "7"
    & skf18("1","2","8","1","7","3","1") = "7"
    & skf18("1","2","8","1","7","4","1") = "7"
    & skf18("1","2","8","1","7","5","1") = "7"
    & skf18("1","2","8","1","7","6","1") = "7"
    & skf18("1","2","8","1","7","7","1") = "7"
    & skf18("1","2","8","1","7","8","1") = "7"
    & skf18("1","2","8","1","7","9","1") = "8"
    & skf18("1","2","8","1","7","10","1") = "9"
    & skf18("1","2","8","1","8","1","1") = "7"
    & skf18("1","2","8","1","8","2","1") = "7"
    & skf18("1","2","8","1","8","3","1") = "7"
    & skf18("1","2","8","1","8","4","1") = "7"
    & skf18("1","2","8","1","8","5","1") = "7"
    & skf18("1","2","8","1","8","6","1") = "7"
    & skf18("1","2","8","1","8","7","1") = "7"
    & skf18("1","2","8","1","8","8","1") = "7"
    & skf18("1","2","8","1","8","9","1") = "8"
    & skf18("1","2","8","1","8","10","1") = "9"
    & skf18("1","2","8","1","9","1","1") = "8"
    & skf18("1","2","8","1","9","2","1") = "8"
    & skf18("1","2","8","1","9","3","1") = "8"
    & skf18("1","2","8","1","9","4","1") = "8"
    & skf18("1","2","8","1","9","5","1") = "8"
    & skf18("1","2","8","1","9","6","1") = "8"
    & skf18("1","2","8","1","9","7","1") = "8"
    & skf18("1","2","8","1","9","8","1") = "8"
    & skf18("1","2","8","1","9","9","1") = "8"
    & skf18("1","2","8","1","9","10","1") = "9"
    & skf18("1","2","8","1","10","1","1") = "9"
    & skf18("1","2","8","1","10","2","1") = "9"
    & skf18("1","2","8","1","10","3","1") = "9"
    & skf18("1","2","8","1","10","4","1") = "9"
    & skf18("1","2","8","1","10","5","1") = "9"
    & skf18("1","2","8","1","10","6","1") = "9"
    & skf18("1","2","8","1","10","7","1") = "9"
    & skf18("1","2","8","1","10","8","1") = "9"
    & skf18("1","2","8","1","10","9","1") = "9"
    & skf18("1","2","8","1","10","10","1") = "9"
    & skf18("1","2","8","2","1","1","1") = "7"
    & skf18("1","2","8","2","1","2","1") = "7"
    & skf18("1","2","8","2","1","3","1") = "7"
    & skf18("1","2","8","2","1","4","1") = "7"
    & skf18("1","2","8","2","1","5","1") = "7"
    & skf18("1","2","8","2","1","6","1") = "7"
    & skf18("1","2","8","2","1","7","1") = "7"
    & skf18("1","2","8","2","1","8","1") = "7"
    & skf18("1","2","8","2","1","9","1") = "8"
    & skf18("1","2","8","2","1","10","1") = "9"
    & skf18("1","2","8","2","2","1","1") = "7"
    & skf18("1","2","8","2","2","2","1") = "7"
    & skf18("1","2","8","2","2","3","1") = "7"
    & skf18("1","2","8","2","2","4","1") = "7"
    & skf18("1","2","8","2","2","5","1") = "7"
    & skf18("1","2","8","2","2","6","1") = "7"
    & skf18("1","2","8","2","2","7","1") = "7"
    & skf18("1","2","8","2","2","8","1") = "7"
    & skf18("1","2","8","2","2","9","1") = "8"
    & skf18("1","2","8","2","2","10","1") = "9"
    & skf18("1","2","8","2","3","1","1") = "7"
    & skf18("1","2","8","2","3","2","1") = "7"
    & skf18("1","2","8","2","3","3","1") = "7"
    & skf18("1","2","8","2","3","4","1") = "7"
    & skf18("1","2","8","2","3","5","1") = "7"
    & skf18("1","2","8","2","3","6","1") = "7"
    & skf18("1","2","8","2","3","7","1") = "7"
    & skf18("1","2","8","2","3","8","1") = "7"
    & skf18("1","2","8","2","3","9","1") = "8"
    & skf18("1","2","8","2","3","10","1") = "9"
    & skf18("1","2","8","2","4","1","1") = "7"
    & skf18("1","2","8","2","4","2","1") = "7"
    & skf18("1","2","8","2","4","3","1") = "7"
    & skf18("1","2","8","2","4","4","1") = "7"
    & skf18("1","2","8","2","4","5","1") = "7"
    & skf18("1","2","8","2","4","6","1") = "7"
    & skf18("1","2","8","2","4","7","1") = "7"
    & skf18("1","2","8","2","4","8","1") = "7"
    & skf18("1","2","8","2","4","9","1") = "8"
    & skf18("1","2","8","2","4","10","1") = "9"
    & skf18("1","2","8","2","5","1","1") = "7"
    & skf18("1","2","8","2","5","2","1") = "7"
    & skf18("1","2","8","2","5","3","1") = "7"
    & skf18("1","2","8","2","5","4","1") = "7"
    & skf18("1","2","8","2","5","5","1") = "7"
    & skf18("1","2","8","2","5","6","1") = "7"
    & skf18("1","2","8","2","5","7","1") = "7"
    & skf18("1","2","8","2","5","8","1") = "7"
    & skf18("1","2","8","2","5","9","1") = "8"
    & skf18("1","2","8","2","5","10","1") = "9"
    & skf18("1","2","8","2","6","1","1") = "7"
    & skf18("1","2","8","2","6","2","1") = "7"
    & skf18("1","2","8","2","6","3","1") = "7"
    & skf18("1","2","8","2","6","4","1") = "7"
    & skf18("1","2","8","2","6","5","1") = "7"
    & skf18("1","2","8","2","6","6","1") = "7"
    & skf18("1","2","8","2","6","7","1") = "7"
    & skf18("1","2","8","2","6","8","1") = "7"
    & skf18("1","2","8","2","6","9","1") = "8"
    & skf18("1","2","8","2","6","10","1") = "9"
    & skf18("1","2","8","2","7","1","1") = "7"
    & skf18("1","2","8","2","7","2","1") = "7"
    & skf18("1","2","8","2","7","3","1") = "7"
    & skf18("1","2","8","2","7","4","1") = "7"
    & skf18("1","2","8","2","7","5","1") = "7"
    & skf18("1","2","8","2","7","6","1") = "7"
    & skf18("1","2","8","2","7","7","1") = "7"
    & skf18("1","2","8","2","7","8","1") = "7"
    & skf18("1","2","8","2","7","9","1") = "8"
    & skf18("1","2","8","2","7","10","1") = "9"
    & skf18("1","2","8","2","8","1","1") = "7"
    & skf18("1","2","8","2","8","2","1") = "7"
    & skf18("1","2","8","2","8","3","1") = "7"
    & skf18("1","2","8","2","8","4","1") = "7"
    & skf18("1","2","8","2","8","5","1") = "7"
    & skf18("1","2","8","2","8","6","1") = "7"
    & skf18("1","2","8","2","8","7","1") = "7"
    & skf18("1","2","8","2","8","8","1") = "7"
    & skf18("1","2","8","2","8","9","1") = "8"
    & skf18("1","2","8","2","8","10","1") = "9"
    & skf18("1","2","8","2","9","1","1") = "8"
    & skf18("1","2","8","2","9","2","1") = "8"
    & skf18("1","2","8","2","9","3","1") = "8"
    & skf18("1","2","8","2","9","4","1") = "8"
    & skf18("1","2","8","2","9","5","1") = "8"
    & skf18("1","2","8","2","9","6","1") = "8"
    & skf18("1","2","8","2","9","7","1") = "8"
    & skf18("1","2","8","2","9","8","1") = "8"
    & skf18("1","2","8","2","9","9","1") = "8"
    & skf18("1","2","8","2","9","10","1") = "9"
    & skf18("1","2","8","2","10","1","1") = "9"
    & skf18("1","2","8","2","10","2","1") = "9"
    & skf18("1","2","8","2","10","3","1") = "9"
    & skf18("1","2","8","2","10","4","1") = "9"
    & skf18("1","2","8","2","10","5","1") = "9"
    & skf18("1","2","8","2","10","6","1") = "9"
    & skf18("1","2","8","2","10","7","1") = "9"
    & skf18("1","2","8","2","10","8","1") = "9"
    & skf18("1","2","8","2","10","9","1") = "9"
    & skf18("1","2","8","2","10","10","1") = "9"
    & skf18("1","2","8","3","1","1","1") = "7"
    & skf18("1","2","8","3","1","2","1") = "7"
    & skf18("1","2","8","3","1","3","1") = "7"
    & skf18("1","2","8","3","1","4","1") = "7"
    & skf18("1","2","8","3","1","5","1") = "7"
    & skf18("1","2","8","3","1","6","1") = "7"
    & skf18("1","2","8","3","1","7","1") = "7"
    & skf18("1","2","8","3","1","8","1") = "7"
    & skf18("1","2","8","3","1","9","1") = "8"
    & skf18("1","2","8","3","1","10","1") = "9"
    & skf18("1","2","8","3","2","1","1") = "7"
    & skf18("1","2","8","3","2","2","1") = "7"
    & skf18("1","2","8","3","2","3","1") = "7"
    & skf18("1","2","8","3","2","4","1") = "7"
    & skf18("1","2","8","3","2","5","1") = "7"
    & skf18("1","2","8","3","2","6","1") = "7"
    & skf18("1","2","8","3","2","7","1") = "7"
    & skf18("1","2","8","3","2","8","1") = "7"
    & skf18("1","2","8","3","2","9","1") = "8"
    & skf18("1","2","8","3","2","10","1") = "9"
    & skf18("1","2","8","3","3","1","1") = "7"
    & skf18("1","2","8","3","3","2","1") = "7"
    & skf18("1","2","8","3","3","3","1") = "7"
    & skf18("1","2","8","3","3","4","1") = "7"
    & skf18("1","2","8","3","3","5","1") = "7"
    & skf18("1","2","8","3","3","6","1") = "7"
    & skf18("1","2","8","3","3","7","1") = "7"
    & skf18("1","2","8","3","3","8","1") = "7"
    & skf18("1","2","8","3","3","9","1") = "8"
    & skf18("1","2","8","3","3","10","1") = "9"
    & skf18("1","2","8","3","4","1","1") = "7"
    & skf18("1","2","8","3","4","2","1") = "7"
    & skf18("1","2","8","3","4","3","1") = "7"
    & skf18("1","2","8","3","4","4","1") = "7"
    & skf18("1","2","8","3","4","5","1") = "7"
    & skf18("1","2","8","3","4","6","1") = "7"
    & skf18("1","2","8","3","4","7","1") = "7"
    & skf18("1","2","8","3","4","8","1") = "7"
    & skf18("1","2","8","3","4","9","1") = "8"
    & skf18("1","2","8","3","4","10","1") = "9"
    & skf18("1","2","8","3","5","1","1") = "7"
    & skf18("1","2","8","3","5","2","1") = "7"
    & skf18("1","2","8","3","5","3","1") = "7"
    & skf18("1","2","8","3","5","4","1") = "7"
    & skf18("1","2","8","3","5","5","1") = "7"
    & skf18("1","2","8","3","5","6","1") = "7"
    & skf18("1","2","8","3","5","7","1") = "7"
    & skf18("1","2","8","3","5","8","1") = "7"
    & skf18("1","2","8","3","5","9","1") = "8"
    & skf18("1","2","8","3","5","10","1") = "9"
    & skf18("1","2","8","3","6","1","1") = "7"
    & skf18("1","2","8","3","6","2","1") = "7"
    & skf18("1","2","8","3","6","3","1") = "7"
    & skf18("1","2","8","3","6","4","1") = "7"
    & skf18("1","2","8","3","6","5","1") = "7"
    & skf18("1","2","8","3","6","6","1") = "7"
    & skf18("1","2","8","3","6","7","1") = "7"
    & skf18("1","2","8","3","6","8","1") = "7"
    & skf18("1","2","8","3","6","9","1") = "8"
    & skf18("1","2","8","3","6","10","1") = "9"
    & skf18("1","2","8","3","7","1","1") = "7"
    & skf18("1","2","8","3","7","2","1") = "7"
    & skf18("1","2","8","3","7","3","1") = "7"
    & skf18("1","2","8","3","7","4","1") = "7"
    & skf18("1","2","8","3","7","5","1") = "7"
    & skf18("1","2","8","3","7","6","1") = "7"
    & skf18("1","2","8","3","7","7","1") = "7"
    & skf18("1","2","8","3","7","8","1") = "7"
    & skf18("1","2","8","3","7","9","1") = "8"
    & skf18("1","2","8","3","7","10","1") = "9"
    & skf18("1","2","8","3","8","1","1") = "7"
    & skf18("1","2","8","3","8","2","1") = "7"
    & skf18("1","2","8","3","8","3","1") = "7"
    & skf18("1","2","8","3","8","4","1") = "7"
    & skf18("1","2","8","3","8","5","1") = "7"
    & skf18("1","2","8","3","8","6","1") = "7"
    & skf18("1","2","8","3","8","7","1") = "7"
    & skf18("1","2","8","3","8","8","1") = "7"
    & skf18("1","2","8","3","8","9","1") = "8"
    & skf18("1","2","8","3","8","10","1") = "9"
    & skf18("1","2","8","3","9","1","1") = "8"
    & skf18("1","2","8","3","9","2","1") = "8"
    & skf18("1","2","8","3","9","3","1") = "8"
    & skf18("1","2","8","3","9","4","1") = "8"
    & skf18("1","2","8","3","9","5","1") = "8"
    & skf18("1","2","8","3","9","6","1") = "8"
    & skf18("1","2","8","3","9","7","1") = "8"
    & skf18("1","2","8","3","9","8","1") = "8"
    & skf18("1","2","8","3","9","9","1") = "8"
    & skf18("1","2","8","3","9","10","1") = "9"
    & skf18("1","2","8","3","10","1","1") = "9"
    & skf18("1","2","8","3","10","2","1") = "9"
    & skf18("1","2","8","3","10","3","1") = "9"
    & skf18("1","2","8","3","10","4","1") = "9"
    & skf18("1","2","8","3","10","5","1") = "9"
    & skf18("1","2","8","3","10","6","1") = "9"
    & skf18("1","2","8","3","10","7","1") = "9"
    & skf18("1","2","8","3","10","8","1") = "9"
    & skf18("1","2","8","3","10","9","1") = "9"
    & skf18("1","2","8","3","10","10","1") = "9"
    & skf18("1","2","8","4","1","1","1") = "7"
    & skf18("1","2","8","4","1","2","1") = "7"
    & skf18("1","2","8","4","1","3","1") = "7"
    & skf18("1","2","8","4","1","4","1") = "7"
    & skf18("1","2","8","4","1","5","1") = "7"
    & skf18("1","2","8","4","1","6","1") = "7"
    & skf18("1","2","8","4","1","7","1") = "7"
    & skf18("1","2","8","4","1","8","1") = "7"
    & skf18("1","2","8","4","1","9","1") = "8"
    & skf18("1","2","8","4","1","10","1") = "9"
    & skf18("1","2","8","4","2","1","1") = "7"
    & skf18("1","2","8","4","2","2","1") = "7"
    & skf18("1","2","8","4","2","3","1") = "7"
    & skf18("1","2","8","4","2","4","1") = "7"
    & skf18("1","2","8","4","2","5","1") = "7"
    & skf18("1","2","8","4","2","6","1") = "7"
    & skf18("1","2","8","4","2","7","1") = "7"
    & skf18("1","2","8","4","2","8","1") = "7"
    & skf18("1","2","8","4","2","9","1") = "8"
    & skf18("1","2","8","4","2","10","1") = "9"
    & skf18("1","2","8","4","3","1","1") = "7"
    & skf18("1","2","8","4","3","2","1") = "7"
    & skf18("1","2","8","4","3","3","1") = "7"
    & skf18("1","2","8","4","3","4","1") = "7"
    & skf18("1","2","8","4","3","5","1") = "7"
    & skf18("1","2","8","4","3","6","1") = "7"
    & skf18("1","2","8","4","3","7","1") = "7"
    & skf18("1","2","8","4","3","8","1") = "7"
    & skf18("1","2","8","4","3","9","1") = "8"
    & skf18("1","2","8","4","3","10","1") = "9"
    & skf18("1","2","8","4","4","1","1") = "7"
    & skf18("1","2","8","4","4","2","1") = "7"
    & skf18("1","2","8","4","4","3","1") = "7"
    & skf18("1","2","8","4","4","4","1") = "7"
    & skf18("1","2","8","4","4","5","1") = "7"
    & skf18("1","2","8","4","4","6","1") = "7"
    & skf18("1","2","8","4","4","7","1") = "7"
    & skf18("1","2","8","4","4","8","1") = "7"
    & skf18("1","2","8","4","4","9","1") = "8"
    & skf18("1","2","8","4","4","10","1") = "9"
    & skf18("1","2","8","4","5","1","1") = "7"
    & skf18("1","2","8","4","5","2","1") = "7"
    & skf18("1","2","8","4","5","3","1") = "7"
    & skf18("1","2","8","4","5","4","1") = "7"
    & skf18("1","2","8","4","5","5","1") = "7"
    & skf18("1","2","8","4","5","6","1") = "7"
    & skf18("1","2","8","4","5","7","1") = "7"
    & skf18("1","2","8","4","5","8","1") = "7"
    & skf18("1","2","8","4","5","9","1") = "8"
    & skf18("1","2","8","4","5","10","1") = "9"
    & skf18("1","2","8","4","6","1","1") = "7"
    & skf18("1","2","8","4","6","2","1") = "7"
    & skf18("1","2","8","4","6","3","1") = "7"
    & skf18("1","2","8","4","6","4","1") = "7"
    & skf18("1","2","8","4","6","5","1") = "7"
    & skf18("1","2","8","4","6","6","1") = "7"
    & skf18("1","2","8","4","6","7","1") = "7"
    & skf18("1","2","8","4","6","8","1") = "7"
    & skf18("1","2","8","4","6","9","1") = "8"
    & skf18("1","2","8","4","6","10","1") = "9"
    & skf18("1","2","8","4","7","1","1") = "7"
    & skf18("1","2","8","4","7","2","1") = "7"
    & skf18("1","2","8","4","7","3","1") = "7"
    & skf18("1","2","8","4","7","4","1") = "7"
    & skf18("1","2","8","4","7","5","1") = "7"
    & skf18("1","2","8","4","7","6","1") = "7"
    & skf18("1","2","8","4","7","7","1") = "7"
    & skf18("1","2","8","4","7","8","1") = "7"
    & skf18("1","2","8","4","7","9","1") = "8"
    & skf18("1","2","8","4","7","10","1") = "9"
    & skf18("1","2","8","4","8","1","1") = "7"
    & skf18("1","2","8","4","8","2","1") = "7"
    & skf18("1","2","8","4","8","3","1") = "7"
    & skf18("1","2","8","4","8","4","1") = "7"
    & skf18("1","2","8","4","8","5","1") = "7"
    & skf18("1","2","8","4","8","6","1") = "7"
    & skf18("1","2","8","4","8","7","1") = "7"
    & skf18("1","2","8","4","8","8","1") = "7"
    & skf18("1","2","8","4","8","9","1") = "8"
    & skf18("1","2","8","4","8","10","1") = "9"
    & skf18("1","2","8","4","9","1","1") = "8"
    & skf18("1","2","8","4","9","2","1") = "8"
    & skf18("1","2","8","4","9","3","1") = "8"
    & skf18("1","2","8","4","9","4","1") = "8"
    & skf18("1","2","8","4","9","5","1") = "8"
    & skf18("1","2","8","4","9","6","1") = "8"
    & skf18("1","2","8","4","9","7","1") = "8"
    & skf18("1","2","8","4","9","8","1") = "8"
    & skf18("1","2","8","4","9","9","1") = "8"
    & skf18("1","2","8","4","9","10","1") = "9"
    & skf18("1","2","8","4","10","1","1") = "9"
    & skf18("1","2","8","4","10","2","1") = "9"
    & skf18("1","2","8","4","10","3","1") = "9"
    & skf18("1","2","8","4","10","4","1") = "9"
    & skf18("1","2","8","4","10","5","1") = "9"
    & skf18("1","2","8","4","10","6","1") = "9"
    & skf18("1","2","8","4","10","7","1") = "9"
    & skf18("1","2","8","4","10","8","1") = "9"
    & skf18("1","2","8","4","10","9","1") = "9"
    & skf18("1","2","8","4","10","10","1") = "9"
    & skf18("1","2","8","5","1","1","1") = "7"
    & skf18("1","2","8","5","1","2","1") = "7"
    & skf18("1","2","8","5","1","3","1") = "7"
    & skf18("1","2","8","5","1","4","1") = "7"
    & skf18("1","2","8","5","1","5","1") = "7"
    & skf18("1","2","8","5","1","6","1") = "7"
    & skf18("1","2","8","5","1","7","1") = "7"
    & skf18("1","2","8","5","1","8","1") = "7"
    & skf18("1","2","8","5","1","9","1") = "8"
    & skf18("1","2","8","5","1","10","1") = "9"
    & skf18("1","2","8","5","2","1","1") = "7"
    & skf18("1","2","8","5","2","2","1") = "7"
    & skf18("1","2","8","5","2","3","1") = "7"
    & skf18("1","2","8","5","2","4","1") = "7"
    & skf18("1","2","8","5","2","5","1") = "7"
    & skf18("1","2","8","5","2","6","1") = "7"
    & skf18("1","2","8","5","2","7","1") = "7"
    & skf18("1","2","8","5","2","8","1") = "7"
    & skf18("1","2","8","5","2","9","1") = "8"
    & skf18("1","2","8","5","2","10","1") = "9"
    & skf18("1","2","8","5","3","1","1") = "7"
    & skf18("1","2","8","5","3","2","1") = "7"
    & skf18("1","2","8","5","3","3","1") = "7"
    & skf18("1","2","8","5","3","4","1") = "7"
    & skf18("1","2","8","5","3","5","1") = "7"
    & skf18("1","2","8","5","3","6","1") = "7"
    & skf18("1","2","8","5","3","7","1") = "7"
    & skf18("1","2","8","5","3","8","1") = "7"
    & skf18("1","2","8","5","3","9","1") = "8"
    & skf18("1","2","8","5","3","10","1") = "9"
    & skf18("1","2","8","5","4","1","1") = "7"
    & skf18("1","2","8","5","4","2","1") = "7"
    & skf18("1","2","8","5","4","3","1") = "7"
    & skf18("1","2","8","5","4","4","1") = "7"
    & skf18("1","2","8","5","4","5","1") = "7"
    & skf18("1","2","8","5","4","6","1") = "7"
    & skf18("1","2","8","5","4","7","1") = "7"
    & skf18("1","2","8","5","4","8","1") = "7"
    & skf18("1","2","8","5","4","9","1") = "8"
    & skf18("1","2","8","5","4","10","1") = "9"
    & skf18("1","2","8","5","5","1","1") = "7"
    & skf18("1","2","8","5","5","2","1") = "7"
    & skf18("1","2","8","5","5","3","1") = "7"
    & skf18("1","2","8","5","5","4","1") = "7"
    & skf18("1","2","8","5","5","5","1") = "7"
    & skf18("1","2","8","5","5","6","1") = "7"
    & skf18("1","2","8","5","5","7","1") = "7"
    & skf18("1","2","8","5","5","8","1") = "7"
    & skf18("1","2","8","5","5","9","1") = "8"
    & skf18("1","2","8","5","5","10","1") = "9"
    & skf18("1","2","8","5","6","1","1") = "7"
    & skf18("1","2","8","5","6","2","1") = "7"
    & skf18("1","2","8","5","6","3","1") = "7"
    & skf18("1","2","8","5","6","4","1") = "7"
    & skf18("1","2","8","5","6","5","1") = "7"
    & skf18("1","2","8","5","6","6","1") = "7"
    & skf18("1","2","8","5","6","7","1") = "7"
    & skf18("1","2","8","5","6","8","1") = "7"
    & skf18("1","2","8","5","6","9","1") = "8"
    & skf18("1","2","8","5","6","10","1") = "9"
    & skf18("1","2","8","5","7","1","1") = "7"
    & skf18("1","2","8","5","7","2","1") = "7"
    & skf18("1","2","8","5","7","3","1") = "7"
    & skf18("1","2","8","5","7","4","1") = "7"
    & skf18("1","2","8","5","7","5","1") = "7"
    & skf18("1","2","8","5","7","6","1") = "7"
    & skf18("1","2","8","5","7","7","1") = "7"
    & skf18("1","2","8","5","7","8","1") = "7"
    & skf18("1","2","8","5","7","9","1") = "8"
    & skf18("1","2","8","5","7","10","1") = "9"
    & skf18("1","2","8","5","8","1","1") = "7"
    & skf18("1","2","8","5","8","2","1") = "7"
    & skf18("1","2","8","5","8","3","1") = "7"
    & skf18("1","2","8","5","8","4","1") = "7"
    & skf18("1","2","8","5","8","5","1") = "7"
    & skf18("1","2","8","5","8","6","1") = "7"
    & skf18("1","2","8","5","8","7","1") = "7"
    & skf18("1","2","8","5","8","8","1") = "7"
    & skf18("1","2","8","5","8","9","1") = "8"
    & skf18("1","2","8","5","8","10","1") = "9"
    & skf18("1","2","8","5","9","1","1") = "8"
    & skf18("1","2","8","5","9","2","1") = "8"
    & skf18("1","2","8","5","9","3","1") = "8"
    & skf18("1","2","8","5","9","4","1") = "8"
    & skf18("1","2","8","5","9","5","1") = "8"
    & skf18("1","2","8","5","9","6","1") = "8"
    & skf18("1","2","8","5","9","7","1") = "8"
    & skf18("1","2","8","5","9","8","1") = "8"
    & skf18("1","2","8","5","9","9","1") = "8"
    & skf18("1","2","8","5","9","10","1") = "9"
    & skf18("1","2","8","5","10","1","1") = "9"
    & skf18("1","2","8","5","10","2","1") = "9"
    & skf18("1","2","8","5","10","3","1") = "9"
    & skf18("1","2","8","5","10","4","1") = "9"
    & skf18("1","2","8","5","10","5","1") = "9"
    & skf18("1","2","8","5","10","6","1") = "9"
    & skf18("1","2","8","5","10","7","1") = "9"
    & skf18("1","2","8","5","10","8","1") = "9"
    & skf18("1","2","8","5","10","9","1") = "9"
    & skf18("1","2","8","5","10","10","1") = "9"
    & skf18("1","2","8","6","1","1","1") = "7"
    & skf18("1","2","8","6","1","2","1") = "7"
    & skf18("1","2","8","6","1","3","1") = "7"
    & skf18("1","2","8","6","1","4","1") = "7"
    & skf18("1","2","8","6","1","5","1") = "7"
    & skf18("1","2","8","6","1","6","1") = "7"
    & skf18("1","2","8","6","1","7","1") = "7"
    & skf18("1","2","8","6","1","8","1") = "7"
    & skf18("1","2","8","6","1","9","1") = "8"
    & skf18("1","2","8","6","1","10","1") = "9"
    & skf18("1","2","8","6","2","1","1") = "7"
    & skf18("1","2","8","6","2","2","1") = "7"
    & skf18("1","2","8","6","2","3","1") = "7"
    & skf18("1","2","8","6","2","4","1") = "7"
    & skf18("1","2","8","6","2","5","1") = "7"
    & skf18("1","2","8","6","2","6","1") = "7"
    & skf18("1","2","8","6","2","7","1") = "7"
    & skf18("1","2","8","6","2","8","1") = "7"
    & skf18("1","2","8","6","2","9","1") = "8"
    & skf18("1","2","8","6","2","10","1") = "9"
    & skf18("1","2","8","6","3","1","1") = "7"
    & skf18("1","2","8","6","3","2","1") = "7"
    & skf18("1","2","8","6","3","3","1") = "7"
    & skf18("1","2","8","6","3","4","1") = "7"
    & skf18("1","2","8","6","3","5","1") = "7"
    & skf18("1","2","8","6","3","6","1") = "7"
    & skf18("1","2","8","6","3","7","1") = "7"
    & skf18("1","2","8","6","3","8","1") = "7"
    & skf18("1","2","8","6","3","9","1") = "8"
    & skf18("1","2","8","6","3","10","1") = "9"
    & skf18("1","2","8","6","4","1","1") = "7"
    & skf18("1","2","8","6","4","2","1") = "7"
    & skf18("1","2","8","6","4","3","1") = "7"
    & skf18("1","2","8","6","4","4","1") = "7"
    & skf18("1","2","8","6","4","5","1") = "7"
    & skf18("1","2","8","6","4","6","1") = "7"
    & skf18("1","2","8","6","4","7","1") = "7"
    & skf18("1","2","8","6","4","8","1") = "7"
    & skf18("1","2","8","6","4","9","1") = "8"
    & skf18("1","2","8","6","4","10","1") = "9"
    & skf18("1","2","8","6","5","1","1") = "7"
    & skf18("1","2","8","6","5","2","1") = "7"
    & skf18("1","2","8","6","5","3","1") = "7"
    & skf18("1","2","8","6","5","4","1") = "7"
    & skf18("1","2","8","6","5","5","1") = "7"
    & skf18("1","2","8","6","5","6","1") = "7"
    & skf18("1","2","8","6","5","7","1") = "7"
    & skf18("1","2","8","6","5","8","1") = "7"
    & skf18("1","2","8","6","5","9","1") = "8"
    & skf18("1","2","8","6","5","10","1") = "9"
    & skf18("1","2","8","6","6","1","1") = "7"
    & skf18("1","2","8","6","6","2","1") = "7"
    & skf18("1","2","8","6","6","3","1") = "7"
    & skf18("1","2","8","6","6","4","1") = "7"
    & skf18("1","2","8","6","6","5","1") = "7"
    & skf18("1","2","8","6","6","6","1") = "7"
    & skf18("1","2","8","6","6","7","1") = "7"
    & skf18("1","2","8","6","6","8","1") = "7"
    & skf18("1","2","8","6","6","9","1") = "8"
    & skf18("1","2","8","6","6","10","1") = "9"
    & skf18("1","2","8","6","7","1","1") = "7"
    & skf18("1","2","8","6","7","2","1") = "7"
    & skf18("1","2","8","6","7","3","1") = "7"
    & skf18("1","2","8","6","7","4","1") = "7"
    & skf18("1","2","8","6","7","5","1") = "7"
    & skf18("1","2","8","6","7","6","1") = "7"
    & skf18("1","2","8","6","7","7","1") = "7"
    & skf18("1","2","8","6","7","8","1") = "7"
    & skf18("1","2","8","6","7","9","1") = "8"
    & skf18("1","2","8","6","7","10","1") = "9"
    & skf18("1","2","8","6","8","1","1") = "7"
    & skf18("1","2","8","6","8","2","1") = "7"
    & skf18("1","2","8","6","8","3","1") = "7"
    & skf18("1","2","8","6","8","4","1") = "7"
    & skf18("1","2","8","6","8","5","1") = "7"
    & skf18("1","2","8","6","8","6","1") = "7"
    & skf18("1","2","8","6","8","7","1") = "7"
    & skf18("1","2","8","6","8","8","1") = "7"
    & skf18("1","2","8","6","8","9","1") = "8"
    & skf18("1","2","8","6","8","10","1") = "9"
    & skf18("1","2","8","6","9","1","1") = "8"
    & skf18("1","2","8","6","9","2","1") = "8"
    & skf18("1","2","8","6","9","3","1") = "8"
    & skf18("1","2","8","6","9","4","1") = "8"
    & skf18("1","2","8","6","9","5","1") = "8"
    & skf18("1","2","8","6","9","6","1") = "8"
    & skf18("1","2","8","6","9","7","1") = "8"
    & skf18("1","2","8","6","9","8","1") = "8"
    & skf18("1","2","8","6","9","9","1") = "8"
    & skf18("1","2","8","6","9","10","1") = "9"
    & skf18("1","2","8","6","10","1","1") = "9"
    & skf18("1","2","8","6","10","2","1") = "9"
    & skf18("1","2","8","6","10","3","1") = "9"
    & skf18("1","2","8","6","10","4","1") = "9"
    & skf18("1","2","8","6","10","5","1") = "9"
    & skf18("1","2","8","6","10","6","1") = "9"
    & skf18("1","2","8","6","10","7","1") = "9"
    & skf18("1","2","8","6","10","8","1") = "9"
    & skf18("1","2","8","6","10","9","1") = "9"
    & skf18("1","2","8","6","10","10","1") = "9"
    & skf18("1","2","8","7","1","1","1") = "7"
    & skf18("1","2","8","7","1","2","1") = "7"
    & skf18("1","2","8","7","1","3","1") = "7"
    & skf18("1","2","8","7","1","4","1") = "7"
    & skf18("1","2","8","7","1","5","1") = "7"
    & skf18("1","2","8","7","1","6","1") = "7"
    & skf18("1","2","8","7","1","7","1") = "7"
    & skf18("1","2","8","7","1","8","1") = "7"
    & skf18("1","2","8","7","1","9","1") = "8"
    & skf18("1","2","8","7","1","10","1") = "9"
    & skf18("1","2","8","7","2","1","1") = "7"
    & skf18("1","2","8","7","2","2","1") = "7"
    & skf18("1","2","8","7","2","3","1") = "7"
    & skf18("1","2","8","7","2","4","1") = "7"
    & skf18("1","2","8","7","2","5","1") = "7"
    & skf18("1","2","8","7","2","6","1") = "7"
    & skf18("1","2","8","7","2","7","1") = "7"
    & skf18("1","2","8","7","2","8","1") = "7"
    & skf18("1","2","8","7","2","9","1") = "8"
    & skf18("1","2","8","7","2","10","1") = "9"
    & skf18("1","2","8","7","3","1","1") = "7"
    & skf18("1","2","8","7","3","2","1") = "7"
    & skf18("1","2","8","7","3","3","1") = "7"
    & skf18("1","2","8","7","3","4","1") = "7"
    & skf18("1","2","8","7","3","5","1") = "7"
    & skf18("1","2","8","7","3","6","1") = "7"
    & skf18("1","2","8","7","3","7","1") = "7"
    & skf18("1","2","8","7","3","8","1") = "7"
    & skf18("1","2","8","7","3","9","1") = "8"
    & skf18("1","2","8","7","3","10","1") = "9"
    & skf18("1","2","8","7","4","1","1") = "7"
    & skf18("1","2","8","7","4","2","1") = "7"
    & skf18("1","2","8","7","4","3","1") = "7"
    & skf18("1","2","8","7","4","4","1") = "7"
    & skf18("1","2","8","7","4","5","1") = "7"
    & skf18("1","2","8","7","4","6","1") = "7"
    & skf18("1","2","8","7","4","7","1") = "7"
    & skf18("1","2","8","7","4","8","1") = "7"
    & skf18("1","2","8","7","4","9","1") = "8"
    & skf18("1","2","8","7","4","10","1") = "9"
    & skf18("1","2","8","7","5","1","1") = "7"
    & skf18("1","2","8","7","5","2","1") = "7"
    & skf18("1","2","8","7","5","3","1") = "7"
    & skf18("1","2","8","7","5","4","1") = "7"
    & skf18("1","2","8","7","5","5","1") = "7"
    & skf18("1","2","8","7","5","6","1") = "7"
    & skf18("1","2","8","7","5","7","1") = "7"
    & skf18("1","2","8","7","5","8","1") = "7"
    & skf18("1","2","8","7","5","9","1") = "8"
    & skf18("1","2","8","7","5","10","1") = "9"
    & skf18("1","2","8","7","6","1","1") = "7"
    & skf18("1","2","8","7","6","2","1") = "7"
    & skf18("1","2","8","7","6","3","1") = "7"
    & skf18("1","2","8","7","6","4","1") = "7"
    & skf18("1","2","8","7","6","5","1") = "7"
    & skf18("1","2","8","7","6","6","1") = "7"
    & skf18("1","2","8","7","6","7","1") = "7"
    & skf18("1","2","8","7","6","8","1") = "7"
    & skf18("1","2","8","7","6","9","1") = "8"
    & skf18("1","2","8","7","6","10","1") = "9"
    & skf18("1","2","8","7","7","1","1") = "7"
    & skf18("1","2","8","7","7","2","1") = "7"
    & skf18("1","2","8","7","7","3","1") = "7"
    & skf18("1","2","8","7","7","4","1") = "7"
    & skf18("1","2","8","7","7","5","1") = "7"
    & skf18("1","2","8","7","7","6","1") = "7"
    & skf18("1","2","8","7","7","7","1") = "7"
    & skf18("1","2","8","7","7","8","1") = "7"
    & skf18("1","2","8","7","7","9","1") = "8"
    & skf18("1","2","8","7","7","10","1") = "9"
    & skf18("1","2","8","7","8","1","1") = "7"
    & skf18("1","2","8","7","8","2","1") = "7"
    & skf18("1","2","8","7","8","3","1") = "7"
    & skf18("1","2","8","7","8","4","1") = "7"
    & skf18("1","2","8","7","8","5","1") = "7"
    & skf18("1","2","8","7","8","6","1") = "7"
    & skf18("1","2","8","7","8","7","1") = "7"
    & skf18("1","2","8","7","8","8","1") = "7"
    & skf18("1","2","8","7","8","9","1") = "8"
    & skf18("1","2","8","7","8","10","1") = "9"
    & skf18("1","2","8","7","9","1","1") = "8"
    & skf18("1","2","8","7","9","2","1") = "8"
    & skf18("1","2","8","7","9","3","1") = "8"
    & skf18("1","2","8","7","9","4","1") = "8"
    & skf18("1","2","8","7","9","5","1") = "8"
    & skf18("1","2","8","7","9","6","1") = "8"
    & skf18("1","2","8","7","9","7","1") = "8"
    & skf18("1","2","8","7","9","8","1") = "8"
    & skf18("1","2","8","7","9","9","1") = "8"
    & skf18("1","2","8","7","9","10","1") = "9"
    & skf18("1","2","8","7","10","1","1") = "9"
    & skf18("1","2","8","7","10","2","1") = "9"
    & skf18("1","2","8","7","10","3","1") = "9"
    & skf18("1","2","8","7","10","4","1") = "9"
    & skf18("1","2","8","7","10","5","1") = "9"
    & skf18("1","2","8","7","10","6","1") = "9"
    & skf18("1","2","8","7","10","7","1") = "9"
    & skf18("1","2","8","7","10","8","1") = "9"
    & skf18("1","2","8","7","10","9","1") = "9"
    & skf18("1","2","8","7","10","10","1") = "9"
    & skf18("1","2","8","8","1","1","1") = "7"
    & skf18("1","2","8","8","1","2","1") = "7"
    & skf18("1","2","8","8","1","3","1") = "7"
    & skf18("1","2","8","8","1","4","1") = "7"
    & skf18("1","2","8","8","1","5","1") = "7"
    & skf18("1","2","8","8","1","6","1") = "7"
    & skf18("1","2","8","8","1","7","1") = "7"
    & skf18("1","2","8","8","1","8","1") = "7"
    & skf18("1","2","8","8","1","9","1") = "8"
    & skf18("1","2","8","8","1","10","1") = "9"
    & skf18("1","2","8","8","2","1","1") = "7"
    & skf18("1","2","8","8","2","2","1") = "7"
    & skf18("1","2","8","8","2","3","1") = "7"
    & skf18("1","2","8","8","2","4","1") = "7"
    & skf18("1","2","8","8","2","5","1") = "7"
    & skf18("1","2","8","8","2","6","1") = "7"
    & skf18("1","2","8","8","2","7","1") = "7"
    & skf18("1","2","8","8","2","8","1") = "7"
    & skf18("1","2","8","8","2","9","1") = "8"
    & skf18("1","2","8","8","2","10","1") = "9"
    & skf18("1","2","8","8","3","1","1") = "7"
    & skf18("1","2","8","8","3","2","1") = "7"
    & skf18("1","2","8","8","3","3","1") = "7"
    & skf18("1","2","8","8","3","4","1") = "7"
    & skf18("1","2","8","8","3","5","1") = "7"
    & skf18("1","2","8","8","3","6","1") = "7"
    & skf18("1","2","8","8","3","7","1") = "7"
    & skf18("1","2","8","8","3","8","1") = "7"
    & skf18("1","2","8","8","3","9","1") = "8"
    & skf18("1","2","8","8","3","10","1") = "9"
    & skf18("1","2","8","8","4","1","1") = "7"
    & skf18("1","2","8","8","4","2","1") = "7"
    & skf18("1","2","8","8","4","3","1") = "7"
    & skf18("1","2","8","8","4","4","1") = "7"
    & skf18("1","2","8","8","4","5","1") = "7"
    & skf18("1","2","8","8","4","6","1") = "7"
    & skf18("1","2","8","8","4","7","1") = "7"
    & skf18("1","2","8","8","4","8","1") = "7"
    & skf18("1","2","8","8","4","9","1") = "8"
    & skf18("1","2","8","8","4","10","1") = "9"
    & skf18("1","2","8","8","5","1","1") = "7"
    & skf18("1","2","8","8","5","2","1") = "7"
    & skf18("1","2","8","8","5","3","1") = "7"
    & skf18("1","2","8","8","5","4","1") = "7"
    & skf18("1","2","8","8","5","5","1") = "7"
    & skf18("1","2","8","8","5","6","1") = "7"
    & skf18("1","2","8","8","5","7","1") = "7"
    & skf18("1","2","8","8","5","8","1") = "7"
    & skf18("1","2","8","8","5","9","1") = "8"
    & skf18("1","2","8","8","5","10","1") = "9"
    & skf18("1","2","8","8","6","1","1") = "7"
    & skf18("1","2","8","8","6","2","1") = "7"
    & skf18("1","2","8","8","6","3","1") = "7"
    & skf18("1","2","8","8","6","4","1") = "7"
    & skf18("1","2","8","8","6","5","1") = "7"
    & skf18("1","2","8","8","6","6","1") = "7"
    & skf18("1","2","8","8","6","7","1") = "7"
    & skf18("1","2","8","8","6","8","1") = "7"
    & skf18("1","2","8","8","6","9","1") = "8"
    & skf18("1","2","8","8","6","10","1") = "9"
    & skf18("1","2","8","8","7","1","1") = "7"
    & skf18("1","2","8","8","7","2","1") = "7"
    & skf18("1","2","8","8","7","3","1") = "7"
    & skf18("1","2","8","8","7","4","1") = "7"
    & skf18("1","2","8","8","7","5","1") = "7"
    & skf18("1","2","8","8","7","6","1") = "7"
    & skf18("1","2","8","8","7","7","1") = "7"
    & skf18("1","2","8","8","7","8","1") = "7"
    & skf18("1","2","8","8","7","9","1") = "8"
    & skf18("1","2","8","8","7","10","1") = "9"
    & skf18("1","2","8","8","8","1","1") = "7"
    & skf18("1","2","8","8","8","2","1") = "7"
    & skf18("1","2","8","8","8","3","1") = "7"
    & skf18("1","2","8","8","8","4","1") = "7"
    & skf18("1","2","8","8","8","5","1") = "7"
    & skf18("1","2","8","8","8","6","1") = "7"
    & skf18("1","2","8","8","8","7","1") = "7"
    & skf18("1","2","8","8","8","8","1") = "7"
    & skf18("1","2","8","8","8","9","1") = "8"
    & skf18("1","2","8","8","8","10","1") = "9"
    & skf18("1","2","8","8","9","1","1") = "8"
    & skf18("1","2","8","8","9","2","1") = "8"
    & skf18("1","2","8","8","9","3","1") = "8"
    & skf18("1","2","8","8","9","4","1") = "8"
    & skf18("1","2","8","8","9","5","1") = "8"
    & skf18("1","2","8","8","9","6","1") = "8"
    & skf18("1","2","8","8","9","7","1") = "8"
    & skf18("1","2","8","8","9","8","1") = "8"
    & skf18("1","2","8","8","9","9","1") = "8"
    & skf18("1","2","8","8","9","10","1") = "9"
    & skf18("1","2","8","8","10","1","1") = "9"
    & skf18("1","2","8","8","10","2","1") = "9"
    & skf18("1","2","8","8","10","3","1") = "9"
    & skf18("1","2","8","8","10","4","1") = "9"
    & skf18("1","2","8","8","10","5","1") = "9"
    & skf18("1","2","8","8","10","6","1") = "9"
    & skf18("1","2","8","8","10","7","1") = "9"
    & skf18("1","2","8","8","10","8","1") = "9"
    & skf18("1","2","8","8","10","9","1") = "9"
    & skf18("1","2","8","8","10","10","1") = "9"
    & skf18("1","2","8","9","1","1","1") = "8"
    & skf18("1","2","8","9","1","2","1") = "8"
    & skf18("1","2","8","9","1","3","1") = "8"
    & skf18("1","2","8","9","1","4","1") = "8"
    & skf18("1","2","8","9","1","5","1") = "8"
    & skf18("1","2","8","9","1","6","1") = "8"
    & skf18("1","2","8","9","1","7","1") = "8"
    & skf18("1","2","8","9","1","8","1") = "8"
    & skf18("1","2","8","9","1","9","1") = "8"
    & skf18("1","2","8","9","1","10","1") = "9"
    & skf18("1","2","8","9","2","1","1") = "8"
    & skf18("1","2","8","9","2","2","1") = "8"
    & skf18("1","2","8","9","2","3","1") = "8"
    & skf18("1","2","8","9","2","4","1") = "8"
    & skf18("1","2","8","9","2","5","1") = "8"
    & skf18("1","2","8","9","2","6","1") = "8"
    & skf18("1","2","8","9","2","7","1") = "8"
    & skf18("1","2","8","9","2","8","1") = "8"
    & skf18("1","2","8","9","2","9","1") = "8"
    & skf18("1","2","8","9","2","10","1") = "9"
    & skf18("1","2","8","9","3","1","1") = "8"
    & skf18("1","2","8","9","3","2","1") = "8"
    & skf18("1","2","8","9","3","3","1") = "8"
    & skf18("1","2","8","9","3","4","1") = "8"
    & skf18("1","2","8","9","3","5","1") = "8"
    & skf18("1","2","8","9","3","6","1") = "8"
    & skf18("1","2","8","9","3","7","1") = "8"
    & skf18("1","2","8","9","3","8","1") = "8"
    & skf18("1","2","8","9","3","9","1") = "8"
    & skf18("1","2","8","9","3","10","1") = "9"
    & skf18("1","2","8","9","4","1","1") = "8"
    & skf18("1","2","8","9","4","2","1") = "8"
    & skf18("1","2","8","9","4","3","1") = "8"
    & skf18("1","2","8","9","4","4","1") = "8"
    & skf18("1","2","8","9","4","5","1") = "8"
    & skf18("1","2","8","9","4","6","1") = "8"
    & skf18("1","2","8","9","4","7","1") = "8"
    & skf18("1","2","8","9","4","8","1") = "8"
    & skf18("1","2","8","9","4","9","1") = "8"
    & skf18("1","2","8","9","4","10","1") = "9"
    & skf18("1","2","8","9","5","1","1") = "8"
    & skf18("1","2","8","9","5","2","1") = "8"
    & skf18("1","2","8","9","5","3","1") = "8"
    & skf18("1","2","8","9","5","4","1") = "8"
    & skf18("1","2","8","9","5","5","1") = "8"
    & skf18("1","2","8","9","5","6","1") = "8"
    & skf18("1","2","8","9","5","7","1") = "8"
    & skf18("1","2","8","9","5","8","1") = "8"
    & skf18("1","2","8","9","5","9","1") = "8"
    & skf18("1","2","8","9","5","10","1") = "9"
    & skf18("1","2","8","9","6","1","1") = "8"
    & skf18("1","2","8","9","6","2","1") = "8"
    & skf18("1","2","8","9","6","3","1") = "8"
    & skf18("1","2","8","9","6","4","1") = "8"
    & skf18("1","2","8","9","6","5","1") = "8"
    & skf18("1","2","8","9","6","6","1") = "8"
    & skf18("1","2","8","9","6","7","1") = "8"
    & skf18("1","2","8","9","6","8","1") = "8"
    & skf18("1","2","8","9","6","9","1") = "8"
    & skf18("1","2","8","9","6","10","1") = "9"
    & skf18("1","2","8","9","7","1","1") = "8"
    & skf18("1","2","8","9","7","2","1") = "8"
    & skf18("1","2","8","9","7","3","1") = "8"
    & skf18("1","2","8","9","7","4","1") = "8"
    & skf18("1","2","8","9","7","5","1") = "8"
    & skf18("1","2","8","9","7","6","1") = "8"
    & skf18("1","2","8","9","7","7","1") = "8"
    & skf18("1","2","8","9","7","8","1") = "8"
    & skf18("1","2","8","9","7","9","1") = "8"
    & skf18("1","2","8","9","7","10","1") = "9"
    & skf18("1","2","8","9","8","1","1") = "8"
    & skf18("1","2","8","9","8","2","1") = "8"
    & skf18("1","2","8","9","8","3","1") = "8"
    & skf18("1","2","8","9","8","4","1") = "8"
    & skf18("1","2","8","9","8","5","1") = "8"
    & skf18("1","2","8","9","8","6","1") = "8"
    & skf18("1","2","8","9","8","7","1") = "8"
    & skf18("1","2","8","9","8","8","1") = "8"
    & skf18("1","2","8","9","8","9","1") = "8"
    & skf18("1","2","8","9","8","10","1") = "9"
    & skf18("1","2","8","9","9","1","1") = "8"
    & skf18("1","2","8","9","9","2","1") = "8"
    & skf18("1","2","8","9","9","3","1") = "8"
    & skf18("1","2","8","9","9","4","1") = "8"
    & skf18("1","2","8","9","9","5","1") = "8"
    & skf18("1","2","8","9","9","6","1") = "8"
    & skf18("1","2","8","9","9","7","1") = "8"
    & skf18("1","2","8","9","9","8","1") = "8"
    & skf18("1","2","8","9","9","9","1") = "8"
    & skf18("1","2","8","9","9","10","1") = "9"
    & skf18("1","2","8","9","10","1","1") = "9"
    & skf18("1","2","8","9","10","2","1") = "9"
    & skf18("1","2","8","9","10","3","1") = "9"
    & skf18("1","2","8","9","10","4","1") = "9"
    & skf18("1","2","8","9","10","5","1") = "9"
    & skf18("1","2","8","9","10","6","1") = "9"
    & skf18("1","2","8","9","10","7","1") = "9"
    & skf18("1","2","8","9","10","8","1") = "9"
    & skf18("1","2","8","9","10","9","1") = "9"
    & skf18("1","2","8","9","10","10","1") = "9"
    & skf18("1","2","8","10","1","1","1") = "9"
    & skf18("1","2","8","10","1","2","1") = "9"
    & skf18("1","2","8","10","1","3","1") = "9"
    & skf18("1","2","8","10","1","4","1") = "9"
    & skf18("1","2","8","10","1","5","1") = "9"
    & skf18("1","2","8","10","1","6","1") = "9"
    & skf18("1","2","8","10","1","7","1") = "9"
    & skf18("1","2","8","10","1","8","1") = "9"
    & skf18("1","2","8","10","1","9","1") = "9"
    & skf18("1","2","8","10","1","10","1") = "9"
    & skf18("1","2","8","10","2","1","1") = "9"
    & skf18("1","2","8","10","2","2","1") = "9"
    & skf18("1","2","8","10","2","3","1") = "9"
    & skf18("1","2","8","10","2","4","1") = "9"
    & skf18("1","2","8","10","2","5","1") = "9"
    & skf18("1","2","8","10","2","6","1") = "9"
    & skf18("1","2","8","10","2","7","1") = "9"
    & skf18("1","2","8","10","2","8","1") = "9"
    & skf18("1","2","8","10","2","9","1") = "9"
    & skf18("1","2","8","10","2","10","1") = "9"
    & skf18("1","2","8","10","3","1","1") = "9"
    & skf18("1","2","8","10","3","2","1") = "9"
    & skf18("1","2","8","10","3","3","1") = "9"
    & skf18("1","2","8","10","3","4","1") = "9"
    & skf18("1","2","8","10","3","5","1") = "9"
    & skf18("1","2","8","10","3","6","1") = "9"
    & skf18("1","2","8","10","3","7","1") = "9"
    & skf18("1","2","8","10","3","8","1") = "9"
    & skf18("1","2","8","10","3","9","1") = "9"
    & skf18("1","2","8","10","3","10","1") = "9"
    & skf18("1","2","8","10","4","1","1") = "9"
    & skf18("1","2","8","10","4","2","1") = "9"
    & skf18("1","2","8","10","4","3","1") = "9"
    & skf18("1","2","8","10","4","4","1") = "9"
    & skf18("1","2","8","10","4","5","1") = "9"
    & skf18("1","2","8","10","4","6","1") = "9"
    & skf18("1","2","8","10","4","7","1") = "9"
    & skf18("1","2","8","10","4","8","1") = "9"
    & skf18("1","2","8","10","4","9","1") = "9"
    & skf18("1","2","8","10","4","10","1") = "9"
    & skf18("1","2","8","10","5","1","1") = "9"
    & skf18("1","2","8","10","5","2","1") = "9"
    & skf18("1","2","8","10","5","3","1") = "9"
    & skf18("1","2","8","10","5","4","1") = "9"
    & skf18("1","2","8","10","5","5","1") = "9"
    & skf18("1","2","8","10","5","6","1") = "9"
    & skf18("1","2","8","10","5","7","1") = "9"
    & skf18("1","2","8","10","5","8","1") = "9"
    & skf18("1","2","8","10","5","9","1") = "9"
    & skf18("1","2","8","10","5","10","1") = "9"
    & skf18("1","2","8","10","6","1","1") = "9"
    & skf18("1","2","8","10","6","2","1") = "9"
    & skf18("1","2","8","10","6","3","1") = "9"
    & skf18("1","2","8","10","6","4","1") = "9"
    & skf18("1","2","8","10","6","5","1") = "9"
    & skf18("1","2","8","10","6","6","1") = "9"
    & skf18("1","2","8","10","6","7","1") = "9"
    & skf18("1","2","8","10","6","8","1") = "9"
    & skf18("1","2","8","10","6","9","1") = "9"
    & skf18("1","2","8","10","6","10","1") = "9"
    & skf18("1","2","8","10","7","1","1") = "9"
    & skf18("1","2","8","10","7","2","1") = "9"
    & skf18("1","2","8","10","7","3","1") = "9"
    & skf18("1","2","8","10","7","4","1") = "9"
    & skf18("1","2","8","10","7","5","1") = "9"
    & skf18("1","2","8","10","7","6","1") = "9"
    & skf18("1","2","8","10","7","7","1") = "9"
    & skf18("1","2","8","10","7","8","1") = "9"
    & skf18("1","2","8","10","7","9","1") = "9"
    & skf18("1","2","8","10","7","10","1") = "9"
    & skf18("1","2","8","10","8","1","1") = "9"
    & skf18("1","2","8","10","8","2","1") = "9"
    & skf18("1","2","8","10","8","3","1") = "9"
    & skf18("1","2","8","10","8","4","1") = "9"
    & skf18("1","2","8","10","8","5","1") = "9"
    & skf18("1","2","8","10","8","6","1") = "9"
    & skf18("1","2","8","10","8","7","1") = "9"
    & skf18("1","2","8","10","8","8","1") = "9"
    & skf18("1","2","8","10","8","9","1") = "9"
    & skf18("1","2","8","10","8","10","1") = "9"
    & skf18("1","2","8","10","9","1","1") = "9"
    & skf18("1","2","8","10","9","2","1") = "9"
    & skf18("1","2","8","10","9","3","1") = "9"
    & skf18("1","2","8","10","9","4","1") = "9"
    & skf18("1","2","8","10","9","5","1") = "9"
    & skf18("1","2","8","10","9","6","1") = "9"
    & skf18("1","2","8","10","9","7","1") = "9"
    & skf18("1","2","8","10","9","8","1") = "9"
    & skf18("1","2","8","10","9","9","1") = "9"
    & skf18("1","2","8","10","9","10","1") = "9"
    & skf18("1","2","8","10","10","1","1") = "9"
    & skf18("1","2","8","10","10","2","1") = "9"
    & skf18("1","2","8","10","10","3","1") = "9"
    & skf18("1","2","8","10","10","4","1") = "9"
    & skf18("1","2","8","10","10","5","1") = "9"
    & skf18("1","2","8","10","10","6","1") = "9"
    & skf18("1","2","8","10","10","7","1") = "9"
    & skf18("1","2","8","10","10","8","1") = "9"
    & skf18("1","2","8","10","10","9","1") = "9"
    & skf18("1","2","8","10","10","10","1") = "9"
    & skf18("1","2","9","1","1","1","1") = "8"
    & skf18("1","2","9","1","1","2","1") = "8"
    & skf18("1","2","9","1","1","3","1") = "8"
    & skf18("1","2","9","1","1","4","1") = "8"
    & skf18("1","2","9","1","1","5","1") = "8"
    & skf18("1","2","9","1","1","6","1") = "8"
    & skf18("1","2","9","1","1","7","1") = "8"
    & skf18("1","2","9","1","1","8","1") = "8"
    & skf18("1","2","9","1","1","9","1") = "8"
    & skf18("1","2","9","1","1","10","1") = "9"
    & skf18("1","2","9","1","2","1","1") = "8"
    & skf18("1","2","9","1","2","2","1") = "8"
    & skf18("1","2","9","1","2","3","1") = "8"
    & skf18("1","2","9","1","2","4","1") = "8"
    & skf18("1","2","9","1","2","5","1") = "8"
    & skf18("1","2","9","1","2","6","1") = "8"
    & skf18("1","2","9","1","2","7","1") = "8"
    & skf18("1","2","9","1","2","8","1") = "8"
    & skf18("1","2","9","1","2","9","1") = "8"
    & skf18("1","2","9","1","2","10","1") = "9"
    & skf18("1","2","9","1","3","1","1") = "8"
    & skf18("1","2","9","1","3","2","1") = "8"
    & skf18("1","2","9","1","3","3","1") = "8"
    & skf18("1","2","9","1","3","4","1") = "8"
    & skf18("1","2","9","1","3","5","1") = "8"
    & skf18("1","2","9","1","3","6","1") = "8"
    & skf18("1","2","9","1","3","7","1") = "8"
    & skf18("1","2","9","1","3","8","1") = "8"
    & skf18("1","2","9","1","3","9","1") = "8"
    & skf18("1","2","9","1","3","10","1") = "9"
    & skf18("1","2","9","1","4","1","1") = "8"
    & skf18("1","2","9","1","4","2","1") = "8"
    & skf18("1","2","9","1","4","3","1") = "8"
    & skf18("1","2","9","1","4","4","1") = "8"
    & skf18("1","2","9","1","4","5","1") = "8"
    & skf18("1","2","9","1","4","6","1") = "8"
    & skf18("1","2","9","1","4","7","1") = "8"
    & skf18("1","2","9","1","4","8","1") = "8"
    & skf18("1","2","9","1","4","9","1") = "8"
    & skf18("1","2","9","1","4","10","1") = "9"
    & skf18("1","2","9","1","5","1","1") = "8"
    & skf18("1","2","9","1","5","2","1") = "8"
    & skf18("1","2","9","1","5","3","1") = "8"
    & skf18("1","2","9","1","5","4","1") = "8"
    & skf18("1","2","9","1","5","5","1") = "8"
    & skf18("1","2","9","1","5","6","1") = "8"
    & skf18("1","2","9","1","5","7","1") = "8"
    & skf18("1","2","9","1","5","8","1") = "8"
    & skf18("1","2","9","1","5","9","1") = "8"
    & skf18("1","2","9","1","5","10","1") = "9"
    & skf18("1","2","9","1","6","1","1") = "8"
    & skf18("1","2","9","1","6","2","1") = "8"
    & skf18("1","2","9","1","6","3","1") = "8"
    & skf18("1","2","9","1","6","4","1") = "8"
    & skf18("1","2","9","1","6","5","1") = "8"
    & skf18("1","2","9","1","6","6","1") = "8"
    & skf18("1","2","9","1","6","7","1") = "8"
    & skf18("1","2","9","1","6","8","1") = "8"
    & skf18("1","2","9","1","6","9","1") = "8"
    & skf18("1","2","9","1","6","10","1") = "9"
    & skf18("1","2","9","1","7","1","1") = "8"
    & skf18("1","2","9","1","7","2","1") = "8"
    & skf18("1","2","9","1","7","3","1") = "8"
    & skf18("1","2","9","1","7","4","1") = "8"
    & skf18("1","2","9","1","7","5","1") = "8"
    & skf18("1","2","9","1","7","6","1") = "8"
    & skf18("1","2","9","1","7","7","1") = "8"
    & skf18("1","2","9","1","7","8","1") = "8"
    & skf18("1","2","9","1","7","9","1") = "8"
    & skf18("1","2","9","1","7","10","1") = "9"
    & skf18("1","2","9","1","8","1","1") = "8"
    & skf18("1","2","9","1","8","2","1") = "8"
    & skf18("1","2","9","1","8","3","1") = "8"
    & skf18("1","2","9","1","8","4","1") = "8"
    & skf18("1","2","9","1","8","5","1") = "8"
    & skf18("1","2","9","1","8","6","1") = "8"
    & skf18("1","2","9","1","8","7","1") = "8"
    & skf18("1","2","9","1","8","8","1") = "8"
    & skf18("1","2","9","1","8","9","1") = "8"
    & skf18("1","2","9","1","8","10","1") = "9"
    & skf18("1","2","9","1","9","1","1") = "8"
    & skf18("1","2","9","1","9","2","1") = "8"
    & skf18("1","2","9","1","9","3","1") = "8"
    & skf18("1","2","9","1","9","4","1") = "8"
    & skf18("1","2","9","1","9","5","1") = "8"
    & skf18("1","2","9","1","9","6","1") = "8"
    & skf18("1","2","9","1","9","7","1") = "8"
    & skf18("1","2","9","1","9","8","1") = "8"
    & skf18("1","2","9","1","9","9","1") = "8"
    & skf18("1","2","9","1","9","10","1") = "9"
    & skf18("1","2","9","1","10","1","1") = "9"
    & skf18("1","2","9","1","10","2","1") = "9"
    & skf18("1","2","9","1","10","3","1") = "9"
    & skf18("1","2","9","1","10","4","1") = "9"
    & skf18("1","2","9","1","10","5","1") = "9"
    & skf18("1","2","9","1","10","6","1") = "9"
    & skf18("1","2","9","1","10","7","1") = "9"
    & skf18("1","2","9","1","10","8","1") = "9"
    & skf18("1","2","9","1","10","9","1") = "9"
    & skf18("1","2","9","1","10","10","1") = "9"
    & skf18("1","2","9","2","1","1","1") = "8"
    & skf18("1","2","9","2","1","2","1") = "8"
    & skf18("1","2","9","2","1","3","1") = "8"
    & skf18("1","2","9","2","1","4","1") = "8"
    & skf18("1","2","9","2","1","5","1") = "8"
    & skf18("1","2","9","2","1","6","1") = "8"
    & skf18("1","2","9","2","1","7","1") = "8"
    & skf18("1","2","9","2","1","8","1") = "8"
    & skf18("1","2","9","2","1","9","1") = "8"
    & skf18("1","2","9","2","1","10","1") = "9"
    & skf18("1","2","9","2","2","1","1") = "8"
    & skf18("1","2","9","2","2","2","1") = "8"
    & skf18("1","2","9","2","2","3","1") = "8"
    & skf18("1","2","9","2","2","4","1") = "8"
    & skf18("1","2","9","2","2","5","1") = "8"
    & skf18("1","2","9","2","2","6","1") = "8"
    & skf18("1","2","9","2","2","7","1") = "8"
    & skf18("1","2","9","2","2","8","1") = "8"
    & skf18("1","2","9","2","2","9","1") = "8"
    & skf18("1","2","9","2","2","10","1") = "9"
    & skf18("1","2","9","2","3","1","1") = "8"
    & skf18("1","2","9","2","3","2","1") = "8"
    & skf18("1","2","9","2","3","3","1") = "8"
    & skf18("1","2","9","2","3","4","1") = "8"
    & skf18("1","2","9","2","3","5","1") = "8"
    & skf18("1","2","9","2","3","6","1") = "8"
    & skf18("1","2","9","2","3","7","1") = "8"
    & skf18("1","2","9","2","3","8","1") = "8"
    & skf18("1","2","9","2","3","9","1") = "8"
    & skf18("1","2","9","2","3","10","1") = "9"
    & skf18("1","2","9","2","4","1","1") = "8"
    & skf18("1","2","9","2","4","2","1") = "8"
    & skf18("1","2","9","2","4","3","1") = "8"
    & skf18("1","2","9","2","4","4","1") = "8"
    & skf18("1","2","9","2","4","5","1") = "8"
    & skf18("1","2","9","2","4","6","1") = "8"
    & skf18("1","2","9","2","4","7","1") = "8"
    & skf18("1","2","9","2","4","8","1") = "8"
    & skf18("1","2","9","2","4","9","1") = "8"
    & skf18("1","2","9","2","4","10","1") = "9"
    & skf18("1","2","9","2","5","1","1") = "8"
    & skf18("1","2","9","2","5","2","1") = "8"
    & skf18("1","2","9","2","5","3","1") = "8"
    & skf18("1","2","9","2","5","4","1") = "8"
    & skf18("1","2","9","2","5","5","1") = "8"
    & skf18("1","2","9","2","5","6","1") = "8"
    & skf18("1","2","9","2","5","7","1") = "8"
    & skf18("1","2","9","2","5","8","1") = "8"
    & skf18("1","2","9","2","5","9","1") = "8"
    & skf18("1","2","9","2","5","10","1") = "9"
    & skf18("1","2","9","2","6","1","1") = "8"
    & skf18("1","2","9","2","6","2","1") = "8"
    & skf18("1","2","9","2","6","3","1") = "8"
    & skf18("1","2","9","2","6","4","1") = "8"
    & skf18("1","2","9","2","6","5","1") = "8"
    & skf18("1","2","9","2","6","6","1") = "8"
    & skf18("1","2","9","2","6","7","1") = "8"
    & skf18("1","2","9","2","6","8","1") = "8"
    & skf18("1","2","9","2","6","9","1") = "8"
    & skf18("1","2","9","2","6","10","1") = "9"
    & skf18("1","2","9","2","7","1","1") = "8"
    & skf18("1","2","9","2","7","2","1") = "8"
    & skf18("1","2","9","2","7","3","1") = "8"
    & skf18("1","2","9","2","7","4","1") = "8"
    & skf18("1","2","9","2","7","5","1") = "8"
    & skf18("1","2","9","2","7","6","1") = "8"
    & skf18("1","2","9","2","7","7","1") = "8"
    & skf18("1","2","9","2","7","8","1") = "8"
    & skf18("1","2","9","2","7","9","1") = "8"
    & skf18("1","2","9","2","7","10","1") = "9"
    & skf18("1","2","9","2","8","1","1") = "8"
    & skf18("1","2","9","2","8","2","1") = "8"
    & skf18("1","2","9","2","8","3","1") = "8"
    & skf18("1","2","9","2","8","4","1") = "8"
    & skf18("1","2","9","2","8","5","1") = "8"
    & skf18("1","2","9","2","8","6","1") = "8"
    & skf18("1","2","9","2","8","7","1") = "8"
    & skf18("1","2","9","2","8","8","1") = "8"
    & skf18("1","2","9","2","8","9","1") = "8"
    & skf18("1","2","9","2","8","10","1") = "9"
    & skf18("1","2","9","2","9","1","1") = "8"
    & skf18("1","2","9","2","9","2","1") = "8"
    & skf18("1","2","9","2","9","3","1") = "8"
    & skf18("1","2","9","2","9","4","1") = "8"
    & skf18("1","2","9","2","9","5","1") = "8"
    & skf18("1","2","9","2","9","6","1") = "8"
    & skf18("1","2","9","2","9","7","1") = "8"
    & skf18("1","2","9","2","9","8","1") = "8"
    & skf18("1","2","9","2","9","9","1") = "8"
    & skf18("1","2","9","2","9","10","1") = "9"
    & skf18("1","2","9","2","10","1","1") = "9"
    & skf18("1","2","9","2","10","2","1") = "9"
    & skf18("1","2","9","2","10","3","1") = "9"
    & skf18("1","2","9","2","10","4","1") = "9"
    & skf18("1","2","9","2","10","5","1") = "9"
    & skf18("1","2","9","2","10","6","1") = "9"
    & skf18("1","2","9","2","10","7","1") = "9"
    & skf18("1","2","9","2","10","8","1") = "9"
    & skf18("1","2","9","2","10","9","1") = "9"
    & skf18("1","2","9","2","10","10","1") = "9"
    & skf18("1","2","9","3","1","1","1") = "8"
    & skf18("1","2","9","3","1","2","1") = "8"
    & skf18("1","2","9","3","1","3","1") = "8"
    & skf18("1","2","9","3","1","4","1") = "8"
    & skf18("1","2","9","3","1","5","1") = "8"
    & skf18("1","2","9","3","1","6","1") = "8"
    & skf18("1","2","9","3","1","7","1") = "8"
    & skf18("1","2","9","3","1","8","1") = "8"
    & skf18("1","2","9","3","1","9","1") = "8"
    & skf18("1","2","9","3","1","10","1") = "9"
    & skf18("1","2","9","3","2","1","1") = "8"
    & skf18("1","2","9","3","2","2","1") = "8"
    & skf18("1","2","9","3","2","3","1") = "8"
    & skf18("1","2","9","3","2","4","1") = "8"
    & skf18("1","2","9","3","2","5","1") = "8"
    & skf18("1","2","9","3","2","6","1") = "8"
    & skf18("1","2","9","3","2","7","1") = "8"
    & skf18("1","2","9","3","2","8","1") = "8"
    & skf18("1","2","9","3","2","9","1") = "8"
    & skf18("1","2","9","3","2","10","1") = "9"
    & skf18("1","2","9","3","3","1","1") = "8"
    & skf18("1","2","9","3","3","2","1") = "8"
    & skf18("1","2","9","3","3","3","1") = "8"
    & skf18("1","2","9","3","3","4","1") = "8"
    & skf18("1","2","9","3","3","5","1") = "8"
    & skf18("1","2","9","3","3","6","1") = "8"
    & skf18("1","2","9","3","3","7","1") = "8"
    & skf18("1","2","9","3","3","8","1") = "8"
    & skf18("1","2","9","3","3","9","1") = "8"
    & skf18("1","2","9","3","3","10","1") = "9"
    & skf18("1","2","9","3","4","1","1") = "8"
    & skf18("1","2","9","3","4","2","1") = "8"
    & skf18("1","2","9","3","4","3","1") = "8"
    & skf18("1","2","9","3","4","4","1") = "8"
    & skf18("1","2","9","3","4","5","1") = "8"
    & skf18("1","2","9","3","4","6","1") = "8"
    & skf18("1","2","9","3","4","7","1") = "8"
    & skf18("1","2","9","3","4","8","1") = "8"
    & skf18("1","2","9","3","4","9","1") = "8"
    & skf18("1","2","9","3","4","10","1") = "9"
    & skf18("1","2","9","3","5","1","1") = "8"
    & skf18("1","2","9","3","5","2","1") = "8"
    & skf18("1","2","9","3","5","3","1") = "8"
    & skf18("1","2","9","3","5","4","1") = "8"
    & skf18("1","2","9","3","5","5","1") = "8"
    & skf18("1","2","9","3","5","6","1") = "8"
    & skf18("1","2","9","3","5","7","1") = "8"
    & skf18("1","2","9","3","5","8","1") = "8"
    & skf18("1","2","9","3","5","9","1") = "8"
    & skf18("1","2","9","3","5","10","1") = "9"
    & skf18("1","2","9","3","6","1","1") = "8"
    & skf18("1","2","9","3","6","2","1") = "8"
    & skf18("1","2","9","3","6","3","1") = "8"
    & skf18("1","2","9","3","6","4","1") = "8"
    & skf18("1","2","9","3","6","5","1") = "8"
    & skf18("1","2","9","3","6","6","1") = "8"
    & skf18("1","2","9","3","6","7","1") = "8"
    & skf18("1","2","9","3","6","8","1") = "8"
    & skf18("1","2","9","3","6","9","1") = "8"
    & skf18("1","2","9","3","6","10","1") = "9"
    & skf18("1","2","9","3","7","1","1") = "8"
    & skf18("1","2","9","3","7","2","1") = "8"
    & skf18("1","2","9","3","7","3","1") = "8"
    & skf18("1","2","9","3","7","4","1") = "8"
    & skf18("1","2","9","3","7","5","1") = "8"
    & skf18("1","2","9","3","7","6","1") = "8"
    & skf18("1","2","9","3","7","7","1") = "8"
    & skf18("1","2","9","3","7","8","1") = "8"
    & skf18("1","2","9","3","7","9","1") = "8"
    & skf18("1","2","9","3","7","10","1") = "9"
    & skf18("1","2","9","3","8","1","1") = "8"
    & skf18("1","2","9","3","8","2","1") = "8"
    & skf18("1","2","9","3","8","3","1") = "8"
    & skf18("1","2","9","3","8","4","1") = "8"
    & skf18("1","2","9","3","8","5","1") = "8"
    & skf18("1","2","9","3","8","6","1") = "8"
    & skf18("1","2","9","3","8","7","1") = "8"
    & skf18("1","2","9","3","8","8","1") = "8"
    & skf18("1","2","9","3","8","9","1") = "8"
    & skf18("1","2","9","3","8","10","1") = "9"
    & skf18("1","2","9","3","9","1","1") = "8"
    & skf18("1","2","9","3","9","2","1") = "8"
    & skf18("1","2","9","3","9","3","1") = "8"
    & skf18("1","2","9","3","9","4","1") = "8"
    & skf18("1","2","9","3","9","5","1") = "8"
    & skf18("1","2","9","3","9","6","1") = "8"
    & skf18("1","2","9","3","9","7","1") = "8"
    & skf18("1","2","9","3","9","8","1") = "8"
    & skf18("1","2","9","3","9","9","1") = "8"
    & skf18("1","2","9","3","9","10","1") = "9"
    & skf18("1","2","9","3","10","1","1") = "9"
    & skf18("1","2","9","3","10","2","1") = "9"
    & skf18("1","2","9","3","10","3","1") = "9"
    & skf18("1","2","9","3","10","4","1") = "9"
    & skf18("1","2","9","3","10","5","1") = "9"
    & skf18("1","2","9","3","10","6","1") = "9"
    & skf18("1","2","9","3","10","7","1") = "9"
    & skf18("1","2","9","3","10","8","1") = "9"
    & skf18("1","2","9","3","10","9","1") = "9"
    & skf18("1","2","9","3","10","10","1") = "9"
    & skf18("1","2","9","4","1","1","1") = "8"
    & skf18("1","2","9","4","1","2","1") = "8"
    & skf18("1","2","9","4","1","3","1") = "8"
    & skf18("1","2","9","4","1","4","1") = "8"
    & skf18("1","2","9","4","1","5","1") = "8"
    & skf18("1","2","9","4","1","6","1") = "8"
    & skf18("1","2","9","4","1","7","1") = "8"
    & skf18("1","2","9","4","1","8","1") = "8"
    & skf18("1","2","9","4","1","9","1") = "8"
    & skf18("1","2","9","4","1","10","1") = "9"
    & skf18("1","2","9","4","2","1","1") = "8"
    & skf18("1","2","9","4","2","2","1") = "8"
    & skf18("1","2","9","4","2","3","1") = "8"
    & skf18("1","2","9","4","2","4","1") = "8"
    & skf18("1","2","9","4","2","5","1") = "8"
    & skf18("1","2","9","4","2","6","1") = "8"
    & skf18("1","2","9","4","2","7","1") = "8"
    & skf18("1","2","9","4","2","8","1") = "8"
    & skf18("1","2","9","4","2","9","1") = "8"
    & skf18("1","2","9","4","2","10","1") = "9"
    & skf18("1","2","9","4","3","1","1") = "8"
    & skf18("1","2","9","4","3","2","1") = "8"
    & skf18("1","2","9","4","3","3","1") = "8"
    & skf18("1","2","9","4","3","4","1") = "8"
    & skf18("1","2","9","4","3","5","1") = "8"
    & skf18("1","2","9","4","3","6","1") = "8"
    & skf18("1","2","9","4","3","7","1") = "8"
    & skf18("1","2","9","4","3","8","1") = "8"
    & skf18("1","2","9","4","3","9","1") = "8"
    & skf18("1","2","9","4","3","10","1") = "9"
    & skf18("1","2","9","4","4","1","1") = "8"
    & skf18("1","2","9","4","4","2","1") = "8"
    & skf18("1","2","9","4","4","3","1") = "8"
    & skf18("1","2","9","4","4","4","1") = "8"
    & skf18("1","2","9","4","4","5","1") = "8"
    & skf18("1","2","9","4","4","6","1") = "8"
    & skf18("1","2","9","4","4","7","1") = "8"
    & skf18("1","2","9","4","4","8","1") = "8"
    & skf18("1","2","9","4","4","9","1") = "8"
    & skf18("1","2","9","4","4","10","1") = "9"
    & skf18("1","2","9","4","5","1","1") = "8"
    & skf18("1","2","9","4","5","2","1") = "8"
    & skf18("1","2","9","4","5","3","1") = "8"
    & skf18("1","2","9","4","5","4","1") = "8"
    & skf18("1","2","9","4","5","5","1") = "8"
    & skf18("1","2","9","4","5","6","1") = "8"
    & skf18("1","2","9","4","5","7","1") = "8"
    & skf18("1","2","9","4","5","8","1") = "8"
    & skf18("1","2","9","4","5","9","1") = "8"
    & skf18("1","2","9","4","5","10","1") = "9"
    & skf18("1","2","9","4","6","1","1") = "8"
    & skf18("1","2","9","4","6","2","1") = "8"
    & skf18("1","2","9","4","6","3","1") = "8"
    & skf18("1","2","9","4","6","4","1") = "8"
    & skf18("1","2","9","4","6","5","1") = "8"
    & skf18("1","2","9","4","6","6","1") = "8"
    & skf18("1","2","9","4","6","7","1") = "8"
    & skf18("1","2","9","4","6","8","1") = "8"
    & skf18("1","2","9","4","6","9","1") = "8"
    & skf18("1","2","9","4","6","10","1") = "9"
    & skf18("1","2","9","4","7","1","1") = "8"
    & skf18("1","2","9","4","7","2","1") = "8"
    & skf18("1","2","9","4","7","3","1") = "8"
    & skf18("1","2","9","4","7","4","1") = "8"
    & skf18("1","2","9","4","7","5","1") = "8"
    & skf18("1","2","9","4","7","6","1") = "8"
    & skf18("1","2","9","4","7","7","1") = "8"
    & skf18("1","2","9","4","7","8","1") = "8"
    & skf18("1","2","9","4","7","9","1") = "8"
    & skf18("1","2","9","4","7","10","1") = "9"
    & skf18("1","2","9","4","8","1","1") = "8"
    & skf18("1","2","9","4","8","2","1") = "8"
    & skf18("1","2","9","4","8","3","1") = "8"
    & skf18("1","2","9","4","8","4","1") = "8"
    & skf18("1","2","9","4","8","5","1") = "8"
    & skf18("1","2","9","4","8","6","1") = "8"
    & skf18("1","2","9","4","8","7","1") = "8"
    & skf18("1","2","9","4","8","8","1") = "8"
    & skf18("1","2","9","4","8","9","1") = "8"
    & skf18("1","2","9","4","8","10","1") = "9"
    & skf18("1","2","9","4","9","1","1") = "8"
    & skf18("1","2","9","4","9","2","1") = "8"
    & skf18("1","2","9","4","9","3","1") = "8"
    & skf18("1","2","9","4","9","4","1") = "8"
    & skf18("1","2","9","4","9","5","1") = "8"
    & skf18("1","2","9","4","9","6","1") = "8"
    & skf18("1","2","9","4","9","7","1") = "8"
    & skf18("1","2","9","4","9","8","1") = "8"
    & skf18("1","2","9","4","9","9","1") = "8"
    & skf18("1","2","9","4","9","10","1") = "9"
    & skf18("1","2","9","4","10","1","1") = "9"
    & skf18("1","2","9","4","10","2","1") = "9"
    & skf18("1","2","9","4","10","3","1") = "9"
    & skf18("1","2","9","4","10","4","1") = "9"
    & skf18("1","2","9","4","10","5","1") = "9"
    & skf18("1","2","9","4","10","6","1") = "9"
    & skf18("1","2","9","4","10","7","1") = "9"
    & skf18("1","2","9","4","10","8","1") = "9"
    & skf18("1","2","9","4","10","9","1") = "9"
    & skf18("1","2","9","4","10","10","1") = "9"
    & skf18("1","2","9","5","1","1","1") = "8"
    & skf18("1","2","9","5","1","2","1") = "8"
    & skf18("1","2","9","5","1","3","1") = "8"
    & skf18("1","2","9","5","1","4","1") = "8"
    & skf18("1","2","9","5","1","5","1") = "8"
    & skf18("1","2","9","5","1","6","1") = "8"
    & skf18("1","2","9","5","1","7","1") = "8"
    & skf18("1","2","9","5","1","8","1") = "8"
    & skf18("1","2","9","5","1","9","1") = "8"
    & skf18("1","2","9","5","1","10","1") = "9"
    & skf18("1","2","9","5","2","1","1") = "8"
    & skf18("1","2","9","5","2","2","1") = "8"
    & skf18("1","2","9","5","2","3","1") = "8"
    & skf18("1","2","9","5","2","4","1") = "8"
    & skf18("1","2","9","5","2","5","1") = "8"
    & skf18("1","2","9","5","2","6","1") = "8"
    & skf18("1","2","9","5","2","7","1") = "8"
    & skf18("1","2","9","5","2","8","1") = "8"
    & skf18("1","2","9","5","2","9","1") = "8"
    & skf18("1","2","9","5","2","10","1") = "9"
    & skf18("1","2","9","5","3","1","1") = "8"
    & skf18("1","2","9","5","3","2","1") = "8"
    & skf18("1","2","9","5","3","3","1") = "8"
    & skf18("1","2","9","5","3","4","1") = "8"
    & skf18("1","2","9","5","3","5","1") = "8"
    & skf18("1","2","9","5","3","6","1") = "8"
    & skf18("1","2","9","5","3","7","1") = "8"
    & skf18("1","2","9","5","3","8","1") = "8"
    & skf18("1","2","9","5","3","9","1") = "8"
    & skf18("1","2","9","5","3","10","1") = "9"
    & skf18("1","2","9","5","4","1","1") = "8"
    & skf18("1","2","9","5","4","2","1") = "8"
    & skf18("1","2","9","5","4","3","1") = "8"
    & skf18("1","2","9","5","4","4","1") = "8"
    & skf18("1","2","9","5","4","5","1") = "8"
    & skf18("1","2","9","5","4","6","1") = "8"
    & skf18("1","2","9","5","4","7","1") = "8"
    & skf18("1","2","9","5","4","8","1") = "8"
    & skf18("1","2","9","5","4","9","1") = "8"
    & skf18("1","2","9","5","4","10","1") = "9"
    & skf18("1","2","9","5","5","1","1") = "8"
    & skf18("1","2","9","5","5","2","1") = "8"
    & skf18("1","2","9","5","5","3","1") = "8"
    & skf18("1","2","9","5","5","4","1") = "8"
    & skf18("1","2","9","5","5","5","1") = "8"
    & skf18("1","2","9","5","5","6","1") = "8"
    & skf18("1","2","9","5","5","7","1") = "8"
    & skf18("1","2","9","5","5","8","1") = "8"
    & skf18("1","2","9","5","5","9","1") = "8"
    & skf18("1","2","9","5","5","10","1") = "9"
    & skf18("1","2","9","5","6","1","1") = "8"
    & skf18("1","2","9","5","6","2","1") = "8"
    & skf18("1","2","9","5","6","3","1") = "8"
    & skf18("1","2","9","5","6","4","1") = "8"
    & skf18("1","2","9","5","6","5","1") = "8"
    & skf18("1","2","9","5","6","6","1") = "8"
    & skf18("1","2","9","5","6","7","1") = "8"
    & skf18("1","2","9","5","6","8","1") = "8"
    & skf18("1","2","9","5","6","9","1") = "8"
    & skf18("1","2","9","5","6","10","1") = "9"
    & skf18("1","2","9","5","7","1","1") = "8"
    & skf18("1","2","9","5","7","2","1") = "8"
    & skf18("1","2","9","5","7","3","1") = "8"
    & skf18("1","2","9","5","7","4","1") = "8"
    & skf18("1","2","9","5","7","5","1") = "8"
    & skf18("1","2","9","5","7","6","1") = "8"
    & skf18("1","2","9","5","7","7","1") = "8"
    & skf18("1","2","9","5","7","8","1") = "8"
    & skf18("1","2","9","5","7","9","1") = "8"
    & skf18("1","2","9","5","7","10","1") = "9"
    & skf18("1","2","9","5","8","1","1") = "8"
    & skf18("1","2","9","5","8","2","1") = "8"
    & skf18("1","2","9","5","8","3","1") = "8"
    & skf18("1","2","9","5","8","4","1") = "8"
    & skf18("1","2","9","5","8","5","1") = "8"
    & skf18("1","2","9","5","8","6","1") = "8"
    & skf18("1","2","9","5","8","7","1") = "8"
    & skf18("1","2","9","5","8","8","1") = "8"
    & skf18("1","2","9","5","8","9","1") = "8"
    & skf18("1","2","9","5","8","10","1") = "9"
    & skf18("1","2","9","5","9","1","1") = "8"
    & skf18("1","2","9","5","9","2","1") = "8"
    & skf18("1","2","9","5","9","3","1") = "8"
    & skf18("1","2","9","5","9","4","1") = "8"
    & skf18("1","2","9","5","9","5","1") = "8"
    & skf18("1","2","9","5","9","6","1") = "8"
    & skf18("1","2","9","5","9","7","1") = "8"
    & skf18("1","2","9","5","9","8","1") = "8"
    & skf18("1","2","9","5","9","9","1") = "8"
    & skf18("1","2","9","5","9","10","1") = "9"
    & skf18("1","2","9","5","10","1","1") = "9"
    & skf18("1","2","9","5","10","2","1") = "9"
    & skf18("1","2","9","5","10","3","1") = "9"
    & skf18("1","2","9","5","10","4","1") = "9"
    & skf18("1","2","9","5","10","5","1") = "9"
    & skf18("1","2","9","5","10","6","1") = "9"
    & skf18("1","2","9","5","10","7","1") = "9"
    & skf18("1","2","9","5","10","8","1") = "9"
    & skf18("1","2","9","5","10","9","1") = "9"
    & skf18("1","2","9","5","10","10","1") = "9"
    & skf18("1","2","9","6","1","1","1") = "8"
    & skf18("1","2","9","6","1","2","1") = "8"
    & skf18("1","2","9","6","1","3","1") = "8"
    & skf18("1","2","9","6","1","4","1") = "8"
    & skf18("1","2","9","6","1","5","1") = "8"
    & skf18("1","2","9","6","1","6","1") = "8"
    & skf18("1","2","9","6","1","7","1") = "8"
    & skf18("1","2","9","6","1","8","1") = "8"
    & skf18("1","2","9","6","1","9","1") = "8"
    & skf18("1","2","9","6","1","10","1") = "9"
    & skf18("1","2","9","6","2","1","1") = "8"
    & skf18("1","2","9","6","2","2","1") = "8"
    & skf18("1","2","9","6","2","3","1") = "8"
    & skf18("1","2","9","6","2","4","1") = "8"
    & skf18("1","2","9","6","2","5","1") = "8"
    & skf18("1","2","9","6","2","6","1") = "8"
    & skf18("1","2","9","6","2","7","1") = "8"
    & skf18("1","2","9","6","2","8","1") = "8"
    & skf18("1","2","9","6","2","9","1") = "8"
    & skf18("1","2","9","6","2","10","1") = "9"
    & skf18("1","2","9","6","3","1","1") = "8"
    & skf18("1","2","9","6","3","2","1") = "8"
    & skf18("1","2","9","6","3","3","1") = "8"
    & skf18("1","2","9","6","3","4","1") = "8"
    & skf18("1","2","9","6","3","5","1") = "8"
    & skf18("1","2","9","6","3","6","1") = "8"
    & skf18("1","2","9","6","3","7","1") = "8"
    & skf18("1","2","9","6","3","8","1") = "8"
    & skf18("1","2","9","6","3","9","1") = "8"
    & skf18("1","2","9","6","3","10","1") = "9"
    & skf18("1","2","9","6","4","1","1") = "8"
    & skf18("1","2","9","6","4","2","1") = "8"
    & skf18("1","2","9","6","4","3","1") = "8"
    & skf18("1","2","9","6","4","4","1") = "8"
    & skf18("1","2","9","6","4","5","1") = "8"
    & skf18("1","2","9","6","4","6","1") = "8"
    & skf18("1","2","9","6","4","7","1") = "8"
    & skf18("1","2","9","6","4","8","1") = "8"
    & skf18("1","2","9","6","4","9","1") = "8"
    & skf18("1","2","9","6","4","10","1") = "9"
    & skf18("1","2","9","6","5","1","1") = "8"
    & skf18("1","2","9","6","5","2","1") = "8"
    & skf18("1","2","9","6","5","3","1") = "8"
    & skf18("1","2","9","6","5","4","1") = "8"
    & skf18("1","2","9","6","5","5","1") = "8"
    & skf18("1","2","9","6","5","6","1") = "8"
    & skf18("1","2","9","6","5","7","1") = "8"
    & skf18("1","2","9","6","5","8","1") = "8"
    & skf18("1","2","9","6","5","9","1") = "8"
    & skf18("1","2","9","6","5","10","1") = "9"
    & skf18("1","2","9","6","6","1","1") = "8"
    & skf18("1","2","9","6","6","2","1") = "8"
    & skf18("1","2","9","6","6","3","1") = "8"
    & skf18("1","2","9","6","6","4","1") = "8"
    & skf18("1","2","9","6","6","5","1") = "8"
    & skf18("1","2","9","6","6","6","1") = "8"
    & skf18("1","2","9","6","6","7","1") = "8"
    & skf18("1","2","9","6","6","8","1") = "8"
    & skf18("1","2","9","6","6","9","1") = "8"
    & skf18("1","2","9","6","6","10","1") = "9"
    & skf18("1","2","9","6","7","1","1") = "8"
    & skf18("1","2","9","6","7","2","1") = "8"
    & skf18("1","2","9","6","7","3","1") = "8"
    & skf18("1","2","9","6","7","4","1") = "8"
    & skf18("1","2","9","6","7","5","1") = "8"
    & skf18("1","2","9","6","7","6","1") = "8"
    & skf18("1","2","9","6","7","7","1") = "8"
    & skf18("1","2","9","6","7","8","1") = "8"
    & skf18("1","2","9","6","7","9","1") = "8"
    & skf18("1","2","9","6","7","10","1") = "9"
    & skf18("1","2","9","6","8","1","1") = "8"
    & skf18("1","2","9","6","8","2","1") = "8"
    & skf18("1","2","9","6","8","3","1") = "8"
    & skf18("1","2","9","6","8","4","1") = "8"
    & skf18("1","2","9","6","8","5","1") = "8"
    & skf18("1","2","9","6","8","6","1") = "8"
    & skf18("1","2","9","6","8","7","1") = "8"
    & skf18("1","2","9","6","8","8","1") = "8"
    & skf18("1","2","9","6","8","9","1") = "8"
    & skf18("1","2","9","6","8","10","1") = "9"
    & skf18("1","2","9","6","9","1","1") = "8"
    & skf18("1","2","9","6","9","2","1") = "8"
    & skf18("1","2","9","6","9","3","1") = "8"
    & skf18("1","2","9","6","9","4","1") = "8"
    & skf18("1","2","9","6","9","5","1") = "8"
    & skf18("1","2","9","6","9","6","1") = "8"
    & skf18("1","2","9","6","9","7","1") = "8"
    & skf18("1","2","9","6","9","8","1") = "8"
    & skf18("1","2","9","6","9","9","1") = "8"
    & skf18("1","2","9","6","9","10","1") = "9"
    & skf18("1","2","9","6","10","1","1") = "9"
    & skf18("1","2","9","6","10","2","1") = "9"
    & skf18("1","2","9","6","10","3","1") = "9"
    & skf18("1","2","9","6","10","4","1") = "9"
    & skf18("1","2","9","6","10","5","1") = "9"
    & skf18("1","2","9","6","10","6","1") = "9"
    & skf18("1","2","9","6","10","7","1") = "9"
    & skf18("1","2","9","6","10","8","1") = "9"
    & skf18("1","2","9","6","10","9","1") = "9"
    & skf18("1","2","9","6","10","10","1") = "9"
    & skf18("1","2","9","7","1","1","1") = "8"
    & skf18("1","2","9","7","1","2","1") = "8"
    & skf18("1","2","9","7","1","3","1") = "8"
    & skf18("1","2","9","7","1","4","1") = "8"
    & skf18("1","2","9","7","1","5","1") = "8"
    & skf18("1","2","9","7","1","6","1") = "8"
    & skf18("1","2","9","7","1","7","1") = "8"
    & skf18("1","2","9","7","1","8","1") = "8"
    & skf18("1","2","9","7","1","9","1") = "8"
    & skf18("1","2","9","7","1","10","1") = "9"
    & skf18("1","2","9","7","2","1","1") = "8"
    & skf18("1","2","9","7","2","2","1") = "8"
    & skf18("1","2","9","7","2","3","1") = "8"
    & skf18("1","2","9","7","2","4","1") = "8"
    & skf18("1","2","9","7","2","5","1") = "8"
    & skf18("1","2","9","7","2","6","1") = "8"
    & skf18("1","2","9","7","2","7","1") = "8"
    & skf18("1","2","9","7","2","8","1") = "8"
    & skf18("1","2","9","7","2","9","1") = "8"
    & skf18("1","2","9","7","2","10","1") = "9"
    & skf18("1","2","9","7","3","1","1") = "8"
    & skf18("1","2","9","7","3","2","1") = "8"
    & skf18("1","2","9","7","3","3","1") = "8"
    & skf18("1","2","9","7","3","4","1") = "8"
    & skf18("1","2","9","7","3","5","1") = "8"
    & skf18("1","2","9","7","3","6","1") = "8"
    & skf18("1","2","9","7","3","7","1") = "8"
    & skf18("1","2","9","7","3","8","1") = "8"
    & skf18("1","2","9","7","3","9","1") = "8"
    & skf18("1","2","9","7","3","10","1") = "9"
    & skf18("1","2","9","7","4","1","1") = "8"
    & skf18("1","2","9","7","4","2","1") = "8"
    & skf18("1","2","9","7","4","3","1") = "8"
    & skf18("1","2","9","7","4","4","1") = "8"
    & skf18("1","2","9","7","4","5","1") = "8"
    & skf18("1","2","9","7","4","6","1") = "8"
    & skf18("1","2","9","7","4","7","1") = "8"
    & skf18("1","2","9","7","4","8","1") = "8"
    & skf18("1","2","9","7","4","9","1") = "8"
    & skf18("1","2","9","7","4","10","1") = "9"
    & skf18("1","2","9","7","5","1","1") = "8"
    & skf18("1","2","9","7","5","2","1") = "8"
    & skf18("1","2","9","7","5","3","1") = "8"
    & skf18("1","2","9","7","5","4","1") = "8"
    & skf18("1","2","9","7","5","5","1") = "8"
    & skf18("1","2","9","7","5","6","1") = "8"
    & skf18("1","2","9","7","5","7","1") = "8"
    & skf18("1","2","9","7","5","8","1") = "8"
    & skf18("1","2","9","7","5","9","1") = "8"
    & skf18("1","2","9","7","5","10","1") = "9"
    & skf18("1","2","9","7","6","1","1") = "8"
    & skf18("1","2","9","7","6","2","1") = "8"
    & skf18("1","2","9","7","6","3","1") = "8"
    & skf18("1","2","9","7","6","4","1") = "8"
    & skf18("1","2","9","7","6","5","1") = "8"
    & skf18("1","2","9","7","6","6","1") = "8"
    & skf18("1","2","9","7","6","7","1") = "8"
    & skf18("1","2","9","7","6","8","1") = "8"
    & skf18("1","2","9","7","6","9","1") = "8"
    & skf18("1","2","9","7","6","10","1") = "9"
    & skf18("1","2","9","7","7","1","1") = "8"
    & skf18("1","2","9","7","7","2","1") = "8"
    & skf18("1","2","9","7","7","3","1") = "8"
    & skf18("1","2","9","7","7","4","1") = "8"
    & skf18("1","2","9","7","7","5","1") = "8"
    & skf18("1","2","9","7","7","6","1") = "8"
    & skf18("1","2","9","7","7","7","1") = "8"
    & skf18("1","2","9","7","7","8","1") = "8"
    & skf18("1","2","9","7","7","9","1") = "8"
    & skf18("1","2","9","7","7","10","1") = "9"
    & skf18("1","2","9","7","8","1","1") = "8"
    & skf18("1","2","9","7","8","2","1") = "8"
    & skf18("1","2","9","7","8","3","1") = "8"
    & skf18("1","2","9","7","8","4","1") = "8"
    & skf18("1","2","9","7","8","5","1") = "8"
    & skf18("1","2","9","7","8","6","1") = "8"
    & skf18("1","2","9","7","8","7","1") = "8"
    & skf18("1","2","9","7","8","8","1") = "8"
    & skf18("1","2","9","7","8","9","1") = "8"
    & skf18("1","2","9","7","8","10","1") = "9"
    & skf18("1","2","9","7","9","1","1") = "8"
    & skf18("1","2","9","7","9","2","1") = "8"
    & skf18("1","2","9","7","9","3","1") = "8"
    & skf18("1","2","9","7","9","4","1") = "8"
    & skf18("1","2","9","7","9","5","1") = "8"
    & skf18("1","2","9","7","9","6","1") = "8"
    & skf18("1","2","9","7","9","7","1") = "8"
    & skf18("1","2","9","7","9","8","1") = "8"
    & skf18("1","2","9","7","9","9","1") = "8"
    & skf18("1","2","9","7","9","10","1") = "9"
    & skf18("1","2","9","7","10","1","1") = "9"
    & skf18("1","2","9","7","10","2","1") = "9"
    & skf18("1","2","9","7","10","3","1") = "9"
    & skf18("1","2","9","7","10","4","1") = "9"
    & skf18("1","2","9","7","10","5","1") = "9"
    & skf18("1","2","9","7","10","6","1") = "9"
    & skf18("1","2","9","7","10","7","1") = "9"
    & skf18("1","2","9","7","10","8","1") = "9"
    & skf18("1","2","9","7","10","9","1") = "9"
    & skf18("1","2","9","7","10","10","1") = "9"
    & skf18("1","2","9","8","1","1","1") = "8"
    & skf18("1","2","9","8","1","2","1") = "8"
    & skf18("1","2","9","8","1","3","1") = "8"
    & skf18("1","2","9","8","1","4","1") = "8"
    & skf18("1","2","9","8","1","5","1") = "8"
    & skf18("1","2","9","8","1","6","1") = "8"
    & skf18("1","2","9","8","1","7","1") = "8"
    & skf18("1","2","9","8","1","8","1") = "8"
    & skf18("1","2","9","8","1","9","1") = "8"
    & skf18("1","2","9","8","1","10","1") = "9"
    & skf18("1","2","9","8","2","1","1") = "8"
    & skf18("1","2","9","8","2","2","1") = "8"
    & skf18("1","2","9","8","2","3","1") = "8"
    & skf18("1","2","9","8","2","4","1") = "8"
    & skf18("1","2","9","8","2","5","1") = "8"
    & skf18("1","2","9","8","2","6","1") = "8"
    & skf18("1","2","9","8","2","7","1") = "8"
    & skf18("1","2","9","8","2","8","1") = "8"
    & skf18("1","2","9","8","2","9","1") = "8"
    & skf18("1","2","9","8","2","10","1") = "9"
    & skf18("1","2","9","8","3","1","1") = "8"
    & skf18("1","2","9","8","3","2","1") = "8"
    & skf18("1","2","9","8","3","3","1") = "8"
    & skf18("1","2","9","8","3","4","1") = "8"
    & skf18("1","2","9","8","3","5","1") = "8"
    & skf18("1","2","9","8","3","6","1") = "8"
    & skf18("1","2","9","8","3","7","1") = "8"
    & skf18("1","2","9","8","3","8","1") = "8"
    & skf18("1","2","9","8","3","9","1") = "8"
    & skf18("1","2","9","8","3","10","1") = "9"
    & skf18("1","2","9","8","4","1","1") = "8"
    & skf18("1","2","9","8","4","2","1") = "8"
    & skf18("1","2","9","8","4","3","1") = "8"
    & skf18("1","2","9","8","4","4","1") = "8"
    & skf18("1","2","9","8","4","5","1") = "8"
    & skf18("1","2","9","8","4","6","1") = "8"
    & skf18("1","2","9","8","4","7","1") = "8"
    & skf18("1","2","9","8","4","8","1") = "8"
    & skf18("1","2","9","8","4","9","1") = "8"
    & skf18("1","2","9","8","4","10","1") = "9"
    & skf18("1","2","9","8","5","1","1") = "8"
    & skf18("1","2","9","8","5","2","1") = "8"
    & skf18("1","2","9","8","5","3","1") = "8"
    & skf18("1","2","9","8","5","4","1") = "8"
    & skf18("1","2","9","8","5","5","1") = "8"
    & skf18("1","2","9","8","5","6","1") = "8"
    & skf18("1","2","9","8","5","7","1") = "8"
    & skf18("1","2","9","8","5","8","1") = "8"
    & skf18("1","2","9","8","5","9","1") = "8"
    & skf18("1","2","9","8","5","10","1") = "9"
    & skf18("1","2","9","8","6","1","1") = "8"
    & skf18("1","2","9","8","6","2","1") = "8"
    & skf18("1","2","9","8","6","3","1") = "8"
    & skf18("1","2","9","8","6","4","1") = "8"
    & skf18("1","2","9","8","6","5","1") = "8"
    & skf18("1","2","9","8","6","6","1") = "8"
    & skf18("1","2","9","8","6","7","1") = "8"
    & skf18("1","2","9","8","6","8","1") = "8"
    & skf18("1","2","9","8","6","9","1") = "8"
    & skf18("1","2","9","8","6","10","1") = "9"
    & skf18("1","2","9","8","7","1","1") = "8"
    & skf18("1","2","9","8","7","2","1") = "8"
    & skf18("1","2","9","8","7","3","1") = "8"
    & skf18("1","2","9","8","7","4","1") = "8"
    & skf18("1","2","9","8","7","5","1") = "8"
    & skf18("1","2","9","8","7","6","1") = "8"
    & skf18("1","2","9","8","7","7","1") = "8"
    & skf18("1","2","9","8","7","8","1") = "8"
    & skf18("1","2","9","8","7","9","1") = "8"
    & skf18("1","2","9","8","7","10","1") = "9"
    & skf18("1","2","9","8","8","1","1") = "8"
    & skf18("1","2","9","8","8","2","1") = "8"
    & skf18("1","2","9","8","8","3","1") = "8"
    & skf18("1","2","9","8","8","4","1") = "8"
    & skf18("1","2","9","8","8","5","1") = "8"
    & skf18("1","2","9","8","8","6","1") = "8"
    & skf18("1","2","9","8","8","7","1") = "8"
    & skf18("1","2","9","8","8","8","1") = "8"
    & skf18("1","2","9","8","8","9","1") = "8"
    & skf18("1","2","9","8","8","10","1") = "9"
    & skf18("1","2","9","8","9","1","1") = "8"
    & skf18("1","2","9","8","9","2","1") = "8"
    & skf18("1","2","9","8","9","3","1") = "8"
    & skf18("1","2","9","8","9","4","1") = "8"
    & skf18("1","2","9","8","9","5","1") = "8"
    & skf18("1","2","9","8","9","6","1") = "8"
    & skf18("1","2","9","8","9","7","1") = "8"
    & skf18("1","2","9","8","9","8","1") = "8"
    & skf18("1","2","9","8","9","9","1") = "8"
    & skf18("1","2","9","8","9","10","1") = "9"
    & skf18("1","2","9","8","10","1","1") = "9"
    & skf18("1","2","9","8","10","2","1") = "9"
    & skf18("1","2","9","8","10","3","1") = "9"
    & skf18("1","2","9","8","10","4","1") = "9"
    & skf18("1","2","9","8","10","5","1") = "9"
    & skf18("1","2","9","8","10","6","1") = "9"
    & skf18("1","2","9","8","10","7","1") = "9"
    & skf18("1","2","9","8","10","8","1") = "9"
    & skf18("1","2","9","8","10","9","1") = "9"
    & skf18("1","2","9","8","10","10","1") = "9"
    & skf18("1","2","9","9","1","1","1") = "8"
    & skf18("1","2","9","9","1","2","1") = "8"
    & skf18("1","2","9","9","1","3","1") = "8"
    & skf18("1","2","9","9","1","4","1") = "8"
    & skf18("1","2","9","9","1","5","1") = "8"
    & skf18("1","2","9","9","1","6","1") = "8"
    & skf18("1","2","9","9","1","7","1") = "8"
    & skf18("1","2","9","9","1","8","1") = "8"
    & skf18("1","2","9","9","1","9","1") = "8"
    & skf18("1","2","9","9","1","10","1") = "9"
    & skf18("1","2","9","9","2","1","1") = "8"
    & skf18("1","2","9","9","2","2","1") = "8"
    & skf18("1","2","9","9","2","3","1") = "8"
    & skf18("1","2","9","9","2","4","1") = "8"
    & skf18("1","2","9","9","2","5","1") = "8"
    & skf18("1","2","9","9","2","6","1") = "8"
    & skf18("1","2","9","9","2","7","1") = "8"
    & skf18("1","2","9","9","2","8","1") = "8"
    & skf18("1","2","9","9","2","9","1") = "8"
    & skf18("1","2","9","9","2","10","1") = "9"
    & skf18("1","2","9","9","3","1","1") = "8"
    & skf18("1","2","9","9","3","2","1") = "8"
    & skf18("1","2","9","9","3","3","1") = "8"
    & skf18("1","2","9","9","3","4","1") = "8"
    & skf18("1","2","9","9","3","5","1") = "8"
    & skf18("1","2","9","9","3","6","1") = "8"
    & skf18("1","2","9","9","3","7","1") = "8"
    & skf18("1","2","9","9","3","8","1") = "8"
    & skf18("1","2","9","9","3","9","1") = "8"
    & skf18("1","2","9","9","3","10","1") = "9"
    & skf18("1","2","9","9","4","1","1") = "8"
    & skf18("1","2","9","9","4","2","1") = "8"
    & skf18("1","2","9","9","4","3","1") = "8"
    & skf18("1","2","9","9","4","4","1") = "8"
    & skf18("1","2","9","9","4","5","1") = "8"
    & skf18("1","2","9","9","4","6","1") = "8"
    & skf18("1","2","9","9","4","7","1") = "8"
    & skf18("1","2","9","9","4","8","1") = "8"
    & skf18("1","2","9","9","4","9","1") = "8"
    & skf18("1","2","9","9","4","10","1") = "9"
    & skf18("1","2","9","9","5","1","1") = "8"
    & skf18("1","2","9","9","5","2","1") = "8"
    & skf18("1","2","9","9","5","3","1") = "8"
    & skf18("1","2","9","9","5","4","1") = "8"
    & skf18("1","2","9","9","5","5","1") = "8"
    & skf18("1","2","9","9","5","6","1") = "8"
    & skf18("1","2","9","9","5","7","1") = "8"
    & skf18("1","2","9","9","5","8","1") = "8"
    & skf18("1","2","9","9","5","9","1") = "8"
    & skf18("1","2","9","9","5","10","1") = "9"
    & skf18("1","2","9","9","6","1","1") = "8"
    & skf18("1","2","9","9","6","2","1") = "8"
    & skf18("1","2","9","9","6","3","1") = "8"
    & skf18("1","2","9","9","6","4","1") = "8"
    & skf18("1","2","9","9","6","5","1") = "8"
    & skf18("1","2","9","9","6","6","1") = "8"
    & skf18("1","2","9","9","6","7","1") = "8"
    & skf18("1","2","9","9","6","8","1") = "8"
    & skf18("1","2","9","9","6","9","1") = "8"
    & skf18("1","2","9","9","6","10","1") = "9"
    & skf18("1","2","9","9","7","1","1") = "8"
    & skf18("1","2","9","9","7","2","1") = "8"
    & skf18("1","2","9","9","7","3","1") = "8"
    & skf18("1","2","9","9","7","4","1") = "8"
    & skf18("1","2","9","9","7","5","1") = "8"
    & skf18("1","2","9","9","7","6","1") = "8"
    & skf18("1","2","9","9","7","7","1") = "8"
    & skf18("1","2","9","9","7","8","1") = "8"
    & skf18("1","2","9","9","7","9","1") = "8"
    & skf18("1","2","9","9","7","10","1") = "9"
    & skf18("1","2","9","9","8","1","1") = "8"
    & skf18("1","2","9","9","8","2","1") = "8"
    & skf18("1","2","9","9","8","3","1") = "8"
    & skf18("1","2","9","9","8","4","1") = "8"
    & skf18("1","2","9","9","8","5","1") = "8"
    & skf18("1","2","9","9","8","6","1") = "8"
    & skf18("1","2","9","9","8","7","1") = "8"
    & skf18("1","2","9","9","8","8","1") = "8"
    & skf18("1","2","9","9","8","9","1") = "8"
    & skf18("1","2","9","9","8","10","1") = "9"
    & skf18("1","2","9","9","9","1","1") = "8"
    & skf18("1","2","9","9","9","2","1") = "8"
    & skf18("1","2","9","9","9","3","1") = "8"
    & skf18("1","2","9","9","9","4","1") = "8"
    & skf18("1","2","9","9","9","5","1") = "8"
    & skf18("1","2","9","9","9","6","1") = "8"
    & skf18("1","2","9","9","9","7","1") = "8"
    & skf18("1","2","9","9","9","8","1") = "8"
    & skf18("1","2","9","9","9","9","1") = "8"
    & skf18("1","2","9","9","9","10","1") = "9"
    & skf18("1","2","9","9","10","1","1") = "9"
    & skf18("1","2","9","9","10","2","1") = "9"
    & skf18("1","2","9","9","10","3","1") = "9"
    & skf18("1","2","9","9","10","4","1") = "9"
    & skf18("1","2","9","9","10","5","1") = "9"
    & skf18("1","2","9","9","10","6","1") = "9"
    & skf18("1","2","9","9","10","7","1") = "9"
    & skf18("1","2","9","9","10","8","1") = "9"
    & skf18("1","2","9","9","10","9","1") = "9"
    & skf18("1","2","9","9","10","10","1") = "9"
    & skf18("1","2","9","10","1","1","1") = "9"
    & skf18("1","2","9","10","1","2","1") = "9"
    & skf18("1","2","9","10","1","3","1") = "9"
    & skf18("1","2","9","10","1","4","1") = "9"
    & skf18("1","2","9","10","1","5","1") = "9"
    & skf18("1","2","9","10","1","6","1") = "9"
    & skf18("1","2","9","10","1","7","1") = "9"
    & skf18("1","2","9","10","1","8","1") = "9"
    & skf18("1","2","9","10","1","9","1") = "9"
    & skf18("1","2","9","10","1","10","1") = "9"
    & skf18("1","2","9","10","2","1","1") = "9"
    & skf18("1","2","9","10","2","2","1") = "9"
    & skf18("1","2","9","10","2","3","1") = "9"
    & skf18("1","2","9","10","2","4","1") = "9"
    & skf18("1","2","9","10","2","5","1") = "9"
    & skf18("1","2","9","10","2","6","1") = "9"
    & skf18("1","2","9","10","2","7","1") = "9"
    & skf18("1","2","9","10","2","8","1") = "9"
    & skf18("1","2","9","10","2","9","1") = "9"
    & skf18("1","2","9","10","2","10","1") = "9"
    & skf18("1","2","9","10","3","1","1") = "9"
    & skf18("1","2","9","10","3","2","1") = "9"
    & skf18("1","2","9","10","3","3","1") = "9"
    & skf18("1","2","9","10","3","4","1") = "9"
    & skf18("1","2","9","10","3","5","1") = "9"
    & skf18("1","2","9","10","3","6","1") = "9"
    & skf18("1","2","9","10","3","7","1") = "9"
    & skf18("1","2","9","10","3","8","1") = "9"
    & skf18("1","2","9","10","3","9","1") = "9"
    & skf18("1","2","9","10","3","10","1") = "9"
    & skf18("1","2","9","10","4","1","1") = "9"
    & skf18("1","2","9","10","4","2","1") = "9"
    & skf18("1","2","9","10","4","3","1") = "9"
    & skf18("1","2","9","10","4","4","1") = "9"
    & skf18("1","2","9","10","4","5","1") = "9"
    & skf18("1","2","9","10","4","6","1") = "9"
    & skf18("1","2","9","10","4","7","1") = "9"
    & skf18("1","2","9","10","4","8","1") = "9"
    & skf18("1","2","9","10","4","9","1") = "9"
    & skf18("1","2","9","10","4","10","1") = "9"
    & skf18("1","2","9","10","5","1","1") = "9"
    & skf18("1","2","9","10","5","2","1") = "9"
    & skf18("1","2","9","10","5","3","1") = "9"
    & skf18("1","2","9","10","5","4","1") = "9"
    & skf18("1","2","9","10","5","5","1") = "9"
    & skf18("1","2","9","10","5","6","1") = "9"
    & skf18("1","2","9","10","5","7","1") = "9"
    & skf18("1","2","9","10","5","8","1") = "9"
    & skf18("1","2","9","10","5","9","1") = "9"
    & skf18("1","2","9","10","5","10","1") = "9"
    & skf18("1","2","9","10","6","1","1") = "9"
    & skf18("1","2","9","10","6","2","1") = "9"
    & skf18("1","2","9","10","6","3","1") = "9"
    & skf18("1","2","9","10","6","4","1") = "9"
    & skf18("1","2","9","10","6","5","1") = "9"
    & skf18("1","2","9","10","6","6","1") = "9"
    & skf18("1","2","9","10","6","7","1") = "9"
    & skf18("1","2","9","10","6","8","1") = "9"
    & skf18("1","2","9","10","6","9","1") = "9"
    & skf18("1","2","9","10","6","10","1") = "9"
    & skf18("1","2","9","10","7","1","1") = "9"
    & skf18("1","2","9","10","7","2","1") = "9"
    & skf18("1","2","9","10","7","3","1") = "9"
    & skf18("1","2","9","10","7","4","1") = "9"
    & skf18("1","2","9","10","7","5","1") = "9"
    & skf18("1","2","9","10","7","6","1") = "9"
    & skf18("1","2","9","10","7","7","1") = "9"
    & skf18("1","2","9","10","7","8","1") = "9"
    & skf18("1","2","9","10","7","9","1") = "9"
    & skf18("1","2","9","10","7","10","1") = "9"
    & skf18("1","2","9","10","8","1","1") = "9"
    & skf18("1","2","9","10","8","2","1") = "9"
    & skf18("1","2","9","10","8","3","1") = "9"
    & skf18("1","2","9","10","8","4","1") = "9"
    & skf18("1","2","9","10","8","5","1") = "9"
    & skf18("1","2","9","10","8","6","1") = "9"
    & skf18("1","2","9","10","8","7","1") = "9"
    & skf18("1","2","9","10","8","8","1") = "9"
    & skf18("1","2","9","10","8","9","1") = "9"
    & skf18("1","2","9","10","8","10","1") = "9"
    & skf18("1","2","9","10","9","1","1") = "9"
    & skf18("1","2","9","10","9","2","1") = "9"
    & skf18("1","2","9","10","9","3","1") = "9"
    & skf18("1","2","9","10","9","4","1") = "9"
    & skf18("1","2","9","10","9","5","1") = "9"
    & skf18("1","2","9","10","9","6","1") = "9"
    & skf18("1","2","9","10","9","7","1") = "9"
    & skf18("1","2","9","10","9","8","1") = "9"
    & skf18("1","2","9","10","9","9","1") = "9"
    & skf18("1","2","9","10","9","10","1") = "9"
    & skf18("1","2","9","10","10","1","1") = "9"
    & skf18("1","2","9","10","10","2","1") = "9"
    & skf18("1","2","9","10","10","3","1") = "9"
    & skf18("1","2","9","10","10","4","1") = "9"
    & skf18("1","2","9","10","10","5","1") = "9"
    & skf18("1","2","9","10","10","6","1") = "9"
    & skf18("1","2","9","10","10","7","1") = "9"
    & skf18("1","2","9","10","10","8","1") = "9"
    & skf18("1","2","9","10","10","9","1") = "9"
    & skf18("1","2","9","10","10","10","1") = "9"
    & skf18("1","2","10","1","1","1","1") = "9"
    & skf18("1","2","10","1","1","2","1") = "9"
    & skf18("1","2","10","1","1","3","1") = "9"
    & skf18("1","2","10","1","1","4","1") = "9"
    & skf18("1","2","10","1","1","5","1") = "9"
    & skf18("1","2","10","1","1","6","1") = "9"
    & skf18("1","2","10","1","1","7","1") = "9"
    & skf18("1","2","10","1","1","8","1") = "9"
    & skf18("1","2","10","1","1","9","1") = "9"
    & skf18("1","2","10","1","1","10","1") = "9"
    & skf18("1","2","10","1","2","1","1") = "9"
    & skf18("1","2","10","1","2","2","1") = "9"
    & skf18("1","2","10","1","2","3","1") = "9"
    & skf18("1","2","10","1","2","4","1") = "9"
    & skf18("1","2","10","1","2","5","1") = "9"
    & skf18("1","2","10","1","2","6","1") = "9"
    & skf18("1","2","10","1","2","7","1") = "9"
    & skf18("1","2","10","1","2","8","1") = "9"
    & skf18("1","2","10","1","2","9","1") = "9"
    & skf18("1","2","10","1","2","10","1") = "9"
    & skf18("1","2","10","1","3","1","1") = "9"
    & skf18("1","2","10","1","3","2","1") = "9"
    & skf18("1","2","10","1","3","3","1") = "9"
    & skf18("1","2","10","1","3","4","1") = "9"
    & skf18("1","2","10","1","3","5","1") = "9"
    & skf18("1","2","10","1","3","6","1") = "9"
    & skf18("1","2","10","1","3","7","1") = "9"
    & skf18("1","2","10","1","3","8","1") = "9"
    & skf18("1","2","10","1","3","9","1") = "9"
    & skf18("1","2","10","1","3","10","1") = "9"
    & skf18("1","2","10","1","4","1","1") = "9"
    & skf18("1","2","10","1","4","2","1") = "9"
    & skf18("1","2","10","1","4","3","1") = "9"
    & skf18("1","2","10","1","4","4","1") = "9"
    & skf18("1","2","10","1","4","5","1") = "9"
    & skf18("1","2","10","1","4","6","1") = "9"
    & skf18("1","2","10","1","4","7","1") = "9"
    & skf18("1","2","10","1","4","8","1") = "9"
    & skf18("1","2","10","1","4","9","1") = "9"
    & skf18("1","2","10","1","4","10","1") = "9"
    & skf18("1","2","10","1","5","1","1") = "9"
    & skf18("1","2","10","1","5","2","1") = "9"
    & skf18("1","2","10","1","5","3","1") = "9"
    & skf18("1","2","10","1","5","4","1") = "9"
    & skf18("1","2","10","1","5","5","1") = "9"
    & skf18("1","2","10","1","5","6","1") = "9"
    & skf18("1","2","10","1","5","7","1") = "9"
    & skf18("1","2","10","1","5","8","1") = "9"
    & skf18("1","2","10","1","5","9","1") = "9"
    & skf18("1","2","10","1","5","10","1") = "9"
    & skf18("1","2","10","1","6","1","1") = "9"
    & skf18("1","2","10","1","6","2","1") = "9"
    & skf18("1","2","10","1","6","3","1") = "9"
    & skf18("1","2","10","1","6","4","1") = "9"
    & skf18("1","2","10","1","6","5","1") = "9"
    & skf18("1","2","10","1","6","6","1") = "9"
    & skf18("1","2","10","1","6","7","1") = "9"
    & skf18("1","2","10","1","6","8","1") = "9"
    & skf18("1","2","10","1","6","9","1") = "9"
    & skf18("1","2","10","1","6","10","1") = "9"
    & skf18("1","2","10","1","7","1","1") = "9"
    & skf18("1","2","10","1","7","2","1") = "9"
    & skf18("1","2","10","1","7","3","1") = "9"
    & skf18("1","2","10","1","7","4","1") = "9"
    & skf18("1","2","10","1","7","5","1") = "9"
    & skf18("1","2","10","1","7","6","1") = "9"
    & skf18("1","2","10","1","7","7","1") = "9"
    & skf18("1","2","10","1","7","8","1") = "9"
    & skf18("1","2","10","1","7","9","1") = "9"
    & skf18("1","2","10","1","7","10","1") = "9"
    & skf18("1","2","10","1","8","1","1") = "9"
    & skf18("1","2","10","1","8","2","1") = "9"
    & skf18("1","2","10","1","8","3","1") = "9"
    & skf18("1","2","10","1","8","4","1") = "9"
    & skf18("1","2","10","1","8","5","1") = "9"
    & skf18("1","2","10","1","8","6","1") = "9"
    & skf18("1","2","10","1","8","7","1") = "9"
    & skf18("1","2","10","1","8","8","1") = "9"
    & skf18("1","2","10","1","8","9","1") = "9"
    & skf18("1","2","10","1","8","10","1") = "9"
    & skf18("1","2","10","1","9","1","1") = "9"
    & skf18("1","2","10","1","9","2","1") = "9"
    & skf18("1","2","10","1","9","3","1") = "9"
    & skf18("1","2","10","1","9","4","1") = "9"
    & skf18("1","2","10","1","9","5","1") = "9"
    & skf18("1","2","10","1","9","6","1") = "9"
    & skf18("1","2","10","1","9","7","1") = "9"
    & skf18("1","2","10","1","9","8","1") = "9"
    & skf18("1","2","10","1","9","9","1") = "9"
    & skf18("1","2","10","1","9","10","1") = "9"
    & skf18("1","2","10","1","10","1","1") = "9"
    & skf18("1","2","10","1","10","2","1") = "9"
    & skf18("1","2","10","1","10","3","1") = "9"
    & skf18("1","2","10","1","10","4","1") = "9"
    & skf18("1","2","10","1","10","5","1") = "9"
    & skf18("1","2","10","1","10","6","1") = "9"
    & skf18("1","2","10","1","10","7","1") = "9"
    & skf18("1","2","10","1","10","8","1") = "9"
    & skf18("1","2","10","1","10","9","1") = "9"
    & skf18("1","2","10","1","10","10","1") = "9"
    & skf18("1","2","10","2","1","1","1") = "9"
    & skf18("1","2","10","2","1","2","1") = "9"
    & skf18("1","2","10","2","1","3","1") = "9"
    & skf18("1","2","10","2","1","4","1") = "9"
    & skf18("1","2","10","2","1","5","1") = "9"
    & skf18("1","2","10","2","1","6","1") = "9"
    & skf18("1","2","10","2","1","7","1") = "9"
    & skf18("1","2","10","2","1","8","1") = "9"
    & skf18("1","2","10","2","1","9","1") = "9"
    & skf18("1","2","10","2","1","10","1") = "9"
    & skf18("1","2","10","2","2","1","1") = "9"
    & skf18("1","2","10","2","2","2","1") = "9"
    & skf18("1","2","10","2","2","3","1") = "9"
    & skf18("1","2","10","2","2","4","1") = "9"
    & skf18("1","2","10","2","2","5","1") = "9"
    & skf18("1","2","10","2","2","6","1") = "9"
    & skf18("1","2","10","2","2","7","1") = "9"
    & skf18("1","2","10","2","2","8","1") = "9"
    & skf18("1","2","10","2","2","9","1") = "9"
    & skf18("1","2","10","2","2","10","1") = "9"
    & skf18("1","2","10","2","3","1","1") = "9"
    & skf18("1","2","10","2","3","2","1") = "9"
    & skf18("1","2","10","2","3","3","1") = "9"
    & skf18("1","2","10","2","3","4","1") = "9"
    & skf18("1","2","10","2","3","5","1") = "9"
    & skf18("1","2","10","2","3","6","1") = "9"
    & skf18("1","2","10","2","3","7","1") = "9"
    & skf18("1","2","10","2","3","8","1") = "9"
    & skf18("1","2","10","2","3","9","1") = "9"
    & skf18("1","2","10","2","3","10","1") = "9"
    & skf18("1","2","10","2","4","1","1") = "9"
    & skf18("1","2","10","2","4","2","1") = "9"
    & skf18("1","2","10","2","4","3","1") = "9"
    & skf18("1","2","10","2","4","4","1") = "9"
    & skf18("1","2","10","2","4","5","1") = "9"
    & skf18("1","2","10","2","4","6","1") = "9"
    & skf18("1","2","10","2","4","7","1") = "9"
    & skf18("1","2","10","2","4","8","1") = "9"
    & skf18("1","2","10","2","4","9","1") = "9"
    & skf18("1","2","10","2","4","10","1") = "9"
    & skf18("1","2","10","2","5","1","1") = "9"
    & skf18("1","2","10","2","5","2","1") = "9"
    & skf18("1","2","10","2","5","3","1") = "9"
    & skf18("1","2","10","2","5","4","1") = "9"
    & skf18("1","2","10","2","5","5","1") = "9"
    & skf18("1","2","10","2","5","6","1") = "9"
    & skf18("1","2","10","2","5","7","1") = "9"
    & skf18("1","2","10","2","5","8","1") = "9"
    & skf18("1","2","10","2","5","9","1") = "9"
    & skf18("1","2","10","2","5","10","1") = "9"
    & skf18("1","2","10","2","6","1","1") = "9"
    & skf18("1","2","10","2","6","2","1") = "9"
    & skf18("1","2","10","2","6","3","1") = "9"
    & skf18("1","2","10","2","6","4","1") = "9"
    & skf18("1","2","10","2","6","5","1") = "9"
    & skf18("1","2","10","2","6","6","1") = "9"
    & skf18("1","2","10","2","6","7","1") = "9"
    & skf18("1","2","10","2","6","8","1") = "9"
    & skf18("1","2","10","2","6","9","1") = "9"
    & skf18("1","2","10","2","6","10","1") = "9"
    & skf18("1","2","10","2","7","1","1") = "9"
    & skf18("1","2","10","2","7","2","1") = "9"
    & skf18("1","2","10","2","7","3","1") = "9"
    & skf18("1","2","10","2","7","4","1") = "9"
    & skf18("1","2","10","2","7","5","1") = "9"
    & skf18("1","2","10","2","7","6","1") = "9"
    & skf18("1","2","10","2","7","7","1") = "9"
    & skf18("1","2","10","2","7","8","1") = "9"
    & skf18("1","2","10","2","7","9","1") = "9"
    & skf18("1","2","10","2","7","10","1") = "9"
    & skf18("1","2","10","2","8","1","1") = "9"
    & skf18("1","2","10","2","8","2","1") = "9"
    & skf18("1","2","10","2","8","3","1") = "9"
    & skf18("1","2","10","2","8","4","1") = "9"
    & skf18("1","2","10","2","8","5","1") = "9"
    & skf18("1","2","10","2","8","6","1") = "9"
    & skf18("1","2","10","2","8","7","1") = "9"
    & skf18("1","2","10","2","8","8","1") = "9"
    & skf18("1","2","10","2","8","9","1") = "9"
    & skf18("1","2","10","2","8","10","1") = "9"
    & skf18("1","2","10","2","9","1","1") = "9"
    & skf18("1","2","10","2","9","2","1") = "9"
    & skf18("1","2","10","2","9","3","1") = "9"
    & skf18("1","2","10","2","9","4","1") = "9"
    & skf18("1","2","10","2","9","5","1") = "9"
    & skf18("1","2","10","2","9","6","1") = "9"
    & skf18("1","2","10","2","9","7","1") = "9"
    & skf18("1","2","10","2","9","8","1") = "9"
    & skf18("1","2","10","2","9","9","1") = "9"
    & skf18("1","2","10","2","9","10","1") = "9"
    & skf18("1","2","10","2","10","1","1") = "9"
    & skf18("1","2","10","2","10","2","1") = "9"
    & skf18("1","2","10","2","10","3","1") = "9"
    & skf18("1","2","10","2","10","4","1") = "9"
    & skf18("1","2","10","2","10","5","1") = "9"
    & skf18("1","2","10","2","10","6","1") = "9"
    & skf18("1","2","10","2","10","7","1") = "9"
    & skf18("1","2","10","2","10","8","1") = "9"
    & skf18("1","2","10","2","10","9","1") = "9"
    & skf18("1","2","10","2","10","10","1") = "9"
    & skf18("1","2","10","3","1","1","1") = "9"
    & skf18("1","2","10","3","1","2","1") = "9"
    & skf18("1","2","10","3","1","3","1") = "9"
    & skf18("1","2","10","3","1","4","1") = "9"
    & skf18("1","2","10","3","1","5","1") = "9"
    & skf18("1","2","10","3","1","6","1") = "9"
    & skf18("1","2","10","3","1","7","1") = "9"
    & skf18("1","2","10","3","1","8","1") = "9"
    & skf18("1","2","10","3","1","9","1") = "9"
    & skf18("1","2","10","3","1","10","1") = "9"
    & skf18("1","2","10","3","2","1","1") = "9"
    & skf18("1","2","10","3","2","2","1") = "9"
    & skf18("1","2","10","3","2","3","1") = "9"
    & skf18("1","2","10","3","2","4","1") = "9"
    & skf18("1","2","10","3","2","5","1") = "9"
    & skf18("1","2","10","3","2","6","1") = "9"
    & skf18("1","2","10","3","2","7","1") = "9"
    & skf18("1","2","10","3","2","8","1") = "9"
    & skf18("1","2","10","3","2","9","1") = "9"
    & skf18("1","2","10","3","2","10","1") = "9"
    & skf18("1","2","10","3","3","1","1") = "9"
    & skf18("1","2","10","3","3","2","1") = "9"
    & skf18("1","2","10","3","3","3","1") = "9"
    & skf18("1","2","10","3","3","4","1") = "9"
    & skf18("1","2","10","3","3","5","1") = "9"
    & skf18("1","2","10","3","3","6","1") = "9"
    & skf18("1","2","10","3","3","7","1") = "9"
    & skf18("1","2","10","3","3","8","1") = "9"
    & skf18("1","2","10","3","3","9","1") = "9"
    & skf18("1","2","10","3","3","10","1") = "9"
    & skf18("1","2","10","3","4","1","1") = "9"
    & skf18("1","2","10","3","4","2","1") = "9"
    & skf18("1","2","10","3","4","3","1") = "9"
    & skf18("1","2","10","3","4","4","1") = "9"
    & skf18("1","2","10","3","4","5","1") = "9"
    & skf18("1","2","10","3","4","6","1") = "9"
    & skf18("1","2","10","3","4","7","1") = "9"
    & skf18("1","2","10","3","4","8","1") = "9"
    & skf18("1","2","10","3","4","9","1") = "9"
    & skf18("1","2","10","3","4","10","1") = "9"
    & skf18("1","2","10","3","5","1","1") = "9"
    & skf18("1","2","10","3","5","2","1") = "9"
    & skf18("1","2","10","3","5","3","1") = "9"
    & skf18("1","2","10","3","5","4","1") = "9"
    & skf18("1","2","10","3","5","5","1") = "9"
    & skf18("1","2","10","3","5","6","1") = "9"
    & skf18("1","2","10","3","5","7","1") = "9"
    & skf18("1","2","10","3","5","8","1") = "9"
    & skf18("1","2","10","3","5","9","1") = "9"
    & skf18("1","2","10","3","5","10","1") = "9"
    & skf18("1","2","10","3","6","1","1") = "9"
    & skf18("1","2","10","3","6","2","1") = "9"
    & skf18("1","2","10","3","6","3","1") = "9"
    & skf18("1","2","10","3","6","4","1") = "9"
    & skf18("1","2","10","3","6","5","1") = "9"
    & skf18("1","2","10","3","6","6","1") = "9"
    & skf18("1","2","10","3","6","7","1") = "9"
    & skf18("1","2","10","3","6","8","1") = "9"
    & skf18("1","2","10","3","6","9","1") = "9"
    & skf18("1","2","10","3","6","10","1") = "9"
    & skf18("1","2","10","3","7","1","1") = "9"
    & skf18("1","2","10","3","7","2","1") = "9"
    & skf18("1","2","10","3","7","3","1") = "9"
    & skf18("1","2","10","3","7","4","1") = "9"
    & skf18("1","2","10","3","7","5","1") = "9"
    & skf18("1","2","10","3","7","6","1") = "9"
    & skf18("1","2","10","3","7","7","1") = "9"
    & skf18("1","2","10","3","7","8","1") = "9"
    & skf18("1","2","10","3","7","9","1") = "9"
    & skf18("1","2","10","3","7","10","1") = "9"
    & skf18("1","2","10","3","8","1","1") = "9"
    & skf18("1","2","10","3","8","2","1") = "9"
    & skf18("1","2","10","3","8","3","1") = "9"
    & skf18("1","2","10","3","8","4","1") = "9"
    & skf18("1","2","10","3","8","5","1") = "9"
    & skf18("1","2","10","3","8","6","1") = "9"
    & skf18("1","2","10","3","8","7","1") = "9"
    & skf18("1","2","10","3","8","8","1") = "9"
    & skf18("1","2","10","3","8","9","1") = "9"
    & skf18("1","2","10","3","8","10","1") = "9"
    & skf18("1","2","10","3","9","1","1") = "9"
    & skf18("1","2","10","3","9","2","1") = "9"
    & skf18("1","2","10","3","9","3","1") = "9"
    & skf18("1","2","10","3","9","4","1") = "9"
    & skf18("1","2","10","3","9","5","1") = "9"
    & skf18("1","2","10","3","9","6","1") = "9"
    & skf18("1","2","10","3","9","7","1") = "9"
    & skf18("1","2","10","3","9","8","1") = "9"
    & skf18("1","2","10","3","9","9","1") = "9"
    & skf18("1","2","10","3","9","10","1") = "9"
    & skf18("1","2","10","3","10","1","1") = "9"
    & skf18("1","2","10","3","10","2","1") = "9"
    & skf18("1","2","10","3","10","3","1") = "9"
    & skf18("1","2","10","3","10","4","1") = "9"
    & skf18("1","2","10","3","10","5","1") = "9"
    & skf18("1","2","10","3","10","6","1") = "9"
    & skf18("1","2","10","3","10","7","1") = "9"
    & skf18("1","2","10","3","10","8","1") = "9"
    & skf18("1","2","10","3","10","9","1") = "9"
    & skf18("1","2","10","3","10","10","1") = "9"
    & skf18("1","2","10","4","1","1","1") = "9"
    & skf18("1","2","10","4","1","2","1") = "9"
    & skf18("1","2","10","4","1","3","1") = "9"
    & skf18("1","2","10","4","1","4","1") = "9"
    & skf18("1","2","10","4","1","5","1") = "9"
    & skf18("1","2","10","4","1","6","1") = "9"
    & skf18("1","2","10","4","1","7","1") = "9"
    & skf18("1","2","10","4","1","8","1") = "9"
    & skf18("1","2","10","4","1","9","1") = "9"
    & skf18("1","2","10","4","1","10","1") = "9"
    & skf18("1","2","10","4","2","1","1") = "9"
    & skf18("1","2","10","4","2","2","1") = "9"
    & skf18("1","2","10","4","2","3","1") = "9"
    & skf18("1","2","10","4","2","4","1") = "9"
    & skf18("1","2","10","4","2","5","1") = "9"
    & skf18("1","2","10","4","2","6","1") = "9"
    & skf18("1","2","10","4","2","7","1") = "9"
    & skf18("1","2","10","4","2","8","1") = "9"
    & skf18("1","2","10","4","2","9","1") = "9"
    & skf18("1","2","10","4","2","10","1") = "9"
    & skf18("1","2","10","4","3","1","1") = "9"
    & skf18("1","2","10","4","3","2","1") = "9"
    & skf18("1","2","10","4","3","3","1") = "9"
    & skf18("1","2","10","4","3","4","1") = "9"
    & skf18("1","2","10","4","3","5","1") = "9"
    & skf18("1","2","10","4","3","6","1") = "9"
    & skf18("1","2","10","4","3","7","1") = "9"
    & skf18("1","2","10","4","3","8","1") = "9"
    & skf18("1","2","10","4","3","9","1") = "9"
    & skf18("1","2","10","4","3","10","1") = "9"
    & skf18("1","2","10","4","4","1","1") = "9"
    & skf18("1","2","10","4","4","2","1") = "9"
    & skf18("1","2","10","4","4","3","1") = "9"
    & skf18("1","2","10","4","4","4","1") = "9"
    & skf18("1","2","10","4","4","5","1") = "9"
    & skf18("1","2","10","4","4","6","1") = "9"
    & skf18("1","2","10","4","4","7","1") = "9"
    & skf18("1","2","10","4","4","8","1") = "9"
    & skf18("1","2","10","4","4","9","1") = "9"
    & skf18("1","2","10","4","4","10","1") = "9"
    & skf18("1","2","10","4","5","1","1") = "9"
    & skf18("1","2","10","4","5","2","1") = "9"
    & skf18("1","2","10","4","5","3","1") = "9"
    & skf18("1","2","10","4","5","4","1") = "9"
    & skf18("1","2","10","4","5","5","1") = "9"
    & skf18("1","2","10","4","5","6","1") = "9"
    & skf18("1","2","10","4","5","7","1") = "9"
    & skf18("1","2","10","4","5","8","1") = "9"
    & skf18("1","2","10","4","5","9","1") = "9"
    & skf18("1","2","10","4","5","10","1") = "9"
    & skf18("1","2","10","4","6","1","1") = "9"
    & skf18("1","2","10","4","6","2","1") = "9"
    & skf18("1","2","10","4","6","3","1") = "9"
    & skf18("1","2","10","4","6","4","1") = "9"
    & skf18("1","2","10","4","6","5","1") = "9"
    & skf18("1","2","10","4","6","6","1") = "9"
    & skf18("1","2","10","4","6","7","1") = "9"
    & skf18("1","2","10","4","6","8","1") = "9"
    & skf18("1","2","10","4","6","9","1") = "9"
    & skf18("1","2","10","4","6","10","1") = "9"
    & skf18("1","2","10","4","7","1","1") = "9"
    & skf18("1","2","10","4","7","2","1") = "9"
    & skf18("1","2","10","4","7","3","1") = "9"
    & skf18("1","2","10","4","7","4","1") = "9"
    & skf18("1","2","10","4","7","5","1") = "9"
    & skf18("1","2","10","4","7","6","1") = "9"
    & skf18("1","2","10","4","7","7","1") = "9"
    & skf18("1","2","10","4","7","8","1") = "9"
    & skf18("1","2","10","4","7","9","1") = "9"
    & skf18("1","2","10","4","7","10","1") = "9"
    & skf18("1","2","10","4","8","1","1") = "9"
    & skf18("1","2","10","4","8","2","1") = "9"
    & skf18("1","2","10","4","8","3","1") = "9"
    & skf18("1","2","10","4","8","4","1") = "9"
    & skf18("1","2","10","4","8","5","1") = "9"
    & skf18("1","2","10","4","8","6","1") = "9"
    & skf18("1","2","10","4","8","7","1") = "9"
    & skf18("1","2","10","4","8","8","1") = "9"
    & skf18("1","2","10","4","8","9","1") = "9"
    & skf18("1","2","10","4","8","10","1") = "9"
    & skf18("1","2","10","4","9","1","1") = "9"
    & skf18("1","2","10","4","9","2","1") = "9"
    & skf18("1","2","10","4","9","3","1") = "9"
    & skf18("1","2","10","4","9","4","1") = "9"
    & skf18("1","2","10","4","9","5","1") = "9"
    & skf18("1","2","10","4","9","6","1") = "9"
    & skf18("1","2","10","4","9","7","1") = "9"
    & skf18("1","2","10","4","9","8","1") = "9"
    & skf18("1","2","10","4","9","9","1") = "9"
    & skf18("1","2","10","4","9","10","1") = "9"
    & skf18("1","2","10","4","10","1","1") = "9"
    & skf18("1","2","10","4","10","2","1") = "9"
    & skf18("1","2","10","4","10","3","1") = "9"
    & skf18("1","2","10","4","10","4","1") = "9"
    & skf18("1","2","10","4","10","5","1") = "9"
    & skf18("1","2","10","4","10","6","1") = "9"
    & skf18("1","2","10","4","10","7","1") = "9"
    & skf18("1","2","10","4","10","8","1") = "9"
    & skf18("1","2","10","4","10","9","1") = "9"
    & skf18("1","2","10","4","10","10","1") = "9"
    & skf18("1","2","10","5","1","1","1") = "9"
    & skf18("1","2","10","5","1","2","1") = "9"
    & skf18("1","2","10","5","1","3","1") = "9"
    & skf18("1","2","10","5","1","4","1") = "9"
    & skf18("1","2","10","5","1","5","1") = "9"
    & skf18("1","2","10","5","1","6","1") = "9"
    & skf18("1","2","10","5","1","7","1") = "9"
    & skf18("1","2","10","5","1","8","1") = "9"
    & skf18("1","2","10","5","1","9","1") = "9"
    & skf18("1","2","10","5","1","10","1") = "9"
    & skf18("1","2","10","5","2","1","1") = "9"
    & skf18("1","2","10","5","2","2","1") = "9"
    & skf18("1","2","10","5","2","3","1") = "9"
    & skf18("1","2","10","5","2","4","1") = "9"
    & skf18("1","2","10","5","2","5","1") = "9"
    & skf18("1","2","10","5","2","6","1") = "9"
    & skf18("1","2","10","5","2","7","1") = "9"
    & skf18("1","2","10","5","2","8","1") = "9"
    & skf18("1","2","10","5","2","9","1") = "9"
    & skf18("1","2","10","5","2","10","1") = "9"
    & skf18("1","2","10","5","3","1","1") = "9"
    & skf18("1","2","10","5","3","2","1") = "9"
    & skf18("1","2","10","5","3","3","1") = "9"
    & skf18("1","2","10","5","3","4","1") = "9"
    & skf18("1","2","10","5","3","5","1") = "9"
    & skf18("1","2","10","5","3","6","1") = "9"
    & skf18("1","2","10","5","3","7","1") = "9"
    & skf18("1","2","10","5","3","8","1") = "9"
    & skf18("1","2","10","5","3","9","1") = "9"
    & skf18("1","2","10","5","3","10","1") = "9"
    & skf18("1","2","10","5","4","1","1") = "9"
    & skf18("1","2","10","5","4","2","1") = "9"
    & skf18("1","2","10","5","4","3","1") = "9"
    & skf18("1","2","10","5","4","4","1") = "9"
    & skf18("1","2","10","5","4","5","1") = "9"
    & skf18("1","2","10","5","4","6","1") = "9"
    & skf18("1","2","10","5","4","7","1") = "9"
    & skf18("1","2","10","5","4","8","1") = "9"
    & skf18("1","2","10","5","4","9","1") = "9"
    & skf18("1","2","10","5","4","10","1") = "9"
    & skf18("1","2","10","5","5","1","1") = "9"
    & skf18("1","2","10","5","5","2","1") = "9"
    & skf18("1","2","10","5","5","3","1") = "9"
    & skf18("1","2","10","5","5","4","1") = "9"
    & skf18("1","2","10","5","5","5","1") = "9"
    & skf18("1","2","10","5","5","6","1") = "9"
    & skf18("1","2","10","5","5","7","1") = "9"
    & skf18("1","2","10","5","5","8","1") = "9"
    & skf18("1","2","10","5","5","9","1") = "9"
    & skf18("1","2","10","5","5","10","1") = "9"
    & skf18("1","2","10","5","6","1","1") = "9"
    & skf18("1","2","10","5","6","2","1") = "9"
    & skf18("1","2","10","5","6","3","1") = "9"
    & skf18("1","2","10","5","6","4","1") = "9"
    & skf18("1","2","10","5","6","5","1") = "9"
    & skf18("1","2","10","5","6","6","1") = "9"
    & skf18("1","2","10","5","6","7","1") = "9"
    & skf18("1","2","10","5","6","8","1") = "9"
    & skf18("1","2","10","5","6","9","1") = "9"
    & skf18("1","2","10","5","6","10","1") = "9"
    & skf18("1","2","10","5","7","1","1") = "9"
    & skf18("1","2","10","5","7","2","1") = "9"
    & skf18("1","2","10","5","7","3","1") = "9"
    & skf18("1","2","10","5","7","4","1") = "9"
    & skf18("1","2","10","5","7","5","1") = "9"
    & skf18("1","2","10","5","7","6","1") = "9"
    & skf18("1","2","10","5","7","7","1") = "9"
    & skf18("1","2","10","5","7","8","1") = "9"
    & skf18("1","2","10","5","7","9","1") = "9"
    & skf18("1","2","10","5","7","10","1") = "9"
    & skf18("1","2","10","5","8","1","1") = "9"
    & skf18("1","2","10","5","8","2","1") = "9"
    & skf18("1","2","10","5","8","3","1") = "9"
    & skf18("1","2","10","5","8","4","1") = "9"
    & skf18("1","2","10","5","8","5","1") = "9"
    & skf18("1","2","10","5","8","6","1") = "9"
    & skf18("1","2","10","5","8","7","1") = "9"
    & skf18("1","2","10","5","8","8","1") = "9"
    & skf18("1","2","10","5","8","9","1") = "9"
    & skf18("1","2","10","5","8","10","1") = "9"
    & skf18("1","2","10","5","9","1","1") = "9"
    & skf18("1","2","10","5","9","2","1") = "9"
    & skf18("1","2","10","5","9","3","1") = "9"
    & skf18("1","2","10","5","9","4","1") = "9"
    & skf18("1","2","10","5","9","5","1") = "9"
    & skf18("1","2","10","5","9","6","1") = "9"
    & skf18("1","2","10","5","9","7","1") = "9"
    & skf18("1","2","10","5","9","8","1") = "9"
    & skf18("1","2","10","5","9","9","1") = "9"
    & skf18("1","2","10","5","9","10","1") = "9"
    & skf18("1","2","10","5","10","1","1") = "9"
    & skf18("1","2","10","5","10","2","1") = "9"
    & skf18("1","2","10","5","10","3","1") = "9"
    & skf18("1","2","10","5","10","4","1") = "9"
    & skf18("1","2","10","5","10","5","1") = "9"
    & skf18("1","2","10","5","10","6","1") = "9"
    & skf18("1","2","10","5","10","7","1") = "9"
    & skf18("1","2","10","5","10","8","1") = "9"
    & skf18("1","2","10","5","10","9","1") = "9"
    & skf18("1","2","10","5","10","10","1") = "9"
    & skf18("1","2","10","6","1","1","1") = "9"
    & skf18("1","2","10","6","1","2","1") = "9"
    & skf18("1","2","10","6","1","3","1") = "9"
    & skf18("1","2","10","6","1","4","1") = "9"
    & skf18("1","2","10","6","1","5","1") = "9"
    & skf18("1","2","10","6","1","6","1") = "9"
    & skf18("1","2","10","6","1","7","1") = "9"
    & skf18("1","2","10","6","1","8","1") = "9"
    & skf18("1","2","10","6","1","9","1") = "9"
    & skf18("1","2","10","6","1","10","1") = "9"
    & skf18("1","2","10","6","2","1","1") = "9"
    & skf18("1","2","10","6","2","2","1") = "9"
    & skf18("1","2","10","6","2","3","1") = "9"
    & skf18("1","2","10","6","2","4","1") = "9"
    & skf18("1","2","10","6","2","5","1") = "9"
    & skf18("1","2","10","6","2","6","1") = "9"
    & skf18("1","2","10","6","2","7","1") = "9"
    & skf18("1","2","10","6","2","8","1") = "9"
    & skf18("1","2","10","6","2","9","1") = "9"
    & skf18("1","2","10","6","2","10","1") = "9"
    & skf18("1","2","10","6","3","1","1") = "9"
    & skf18("1","2","10","6","3","2","1") = "9"
    & skf18("1","2","10","6","3","3","1") = "9"
    & skf18("1","2","10","6","3","4","1") = "9"
    & skf18("1","2","10","6","3","5","1") = "9"
    & skf18("1","2","10","6","3","6","1") = "9"
    & skf18("1","2","10","6","3","7","1") = "9"
    & skf18("1","2","10","6","3","8","1") = "9"
    & skf18("1","2","10","6","3","9","1") = "9"
    & skf18("1","2","10","6","3","10","1") = "9"
    & skf18("1","2","10","6","4","1","1") = "9"
    & skf18("1","2","10","6","4","2","1") = "9"
    & skf18("1","2","10","6","4","3","1") = "9"
    & skf18("1","2","10","6","4","4","1") = "9"
    & skf18("1","2","10","6","4","5","1") = "9"
    & skf18("1","2","10","6","4","6","1") = "9"
    & skf18("1","2","10","6","4","7","1") = "9"
    & skf18("1","2","10","6","4","8","1") = "9"
    & skf18("1","2","10","6","4","9","1") = "9"
    & skf18("1","2","10","6","4","10","1") = "9"
    & skf18("1","2","10","6","5","1","1") = "9"
    & skf18("1","2","10","6","5","2","1") = "9"
    & skf18("1","2","10","6","5","3","1") = "9"
    & skf18("1","2","10","6","5","4","1") = "9"
    & skf18("1","2","10","6","5","5","1") = "9"
    & skf18("1","2","10","6","5","6","1") = "9"
    & skf18("1","2","10","6","5","7","1") = "9"
    & skf18("1","2","10","6","5","8","1") = "9"
    & skf18("1","2","10","6","5","9","1") = "9"
    & skf18("1","2","10","6","5","10","1") = "9"
    & skf18("1","2","10","6","6","1","1") = "9"
    & skf18("1","2","10","6","6","2","1") = "9"
    & skf18("1","2","10","6","6","3","1") = "9"
    & skf18("1","2","10","6","6","4","1") = "9"
    & skf18("1","2","10","6","6","5","1") = "9"
    & skf18("1","2","10","6","6","6","1") = "9"
    & skf18("1","2","10","6","6","7","1") = "9"
    & skf18("1","2","10","6","6","8","1") = "9"
    & skf18("1","2","10","6","6","9","1") = "9"
    & skf18("1","2","10","6","6","10","1") = "9"
    & skf18("1","2","10","6","7","1","1") = "9"
    & skf18("1","2","10","6","7","2","1") = "9"
    & skf18("1","2","10","6","7","3","1") = "9"
    & skf18("1","2","10","6","7","4","1") = "9"
    & skf18("1","2","10","6","7","5","1") = "9"
    & skf18("1","2","10","6","7","6","1") = "9"
    & skf18("1","2","10","6","7","7","1") = "9"
    & skf18("1","2","10","6","7","8","1") = "9"
    & skf18("1","2","10","6","7","9","1") = "9"
    & skf18("1","2","10","6","7","10","1") = "9"
    & skf18("1","2","10","6","8","1","1") = "9"
    & skf18("1","2","10","6","8","2","1") = "9"
    & skf18("1","2","10","6","8","3","1") = "9"
    & skf18("1","2","10","6","8","4","1") = "9"
    & skf18("1","2","10","6","8","5","1") = "9"
    & skf18("1","2","10","6","8","6","1") = "9"
    & skf18("1","2","10","6","8","7","1") = "9"
    & skf18("1","2","10","6","8","8","1") = "9"
    & skf18("1","2","10","6","8","9","1") = "9"
    & skf18("1","2","10","6","8","10","1") = "9"
    & skf18("1","2","10","6","9","1","1") = "9"
    & skf18("1","2","10","6","9","2","1") = "9"
    & skf18("1","2","10","6","9","3","1") = "9"
    & skf18("1","2","10","6","9","4","1") = "9"
    & skf18("1","2","10","6","9","5","1") = "9"
    & skf18("1","2","10","6","9","6","1") = "9"
    & skf18("1","2","10","6","9","7","1") = "9"
    & skf18("1","2","10","6","9","8","1") = "9"
    & skf18("1","2","10","6","9","9","1") = "9"
    & skf18("1","2","10","6","9","10","1") = "9"
    & skf18("1","2","10","6","10","1","1") = "9"
    & skf18("1","2","10","6","10","2","1") = "9"
    & skf18("1","2","10","6","10","3","1") = "9"
    & skf18("1","2","10","6","10","4","1") = "9"
    & skf18("1","2","10","6","10","5","1") = "9"
    & skf18("1","2","10","6","10","6","1") = "9"
    & skf18("1","2","10","6","10","7","1") = "9"
    & skf18("1","2","10","6","10","8","1") = "9"
    & skf18("1","2","10","6","10","9","1") = "9"
    & skf18("1","2","10","6","10","10","1") = "9"
    & skf18("1","2","10","7","1","1","1") = "9"
    & skf18("1","2","10","7","1","2","1") = "9"
    & skf18("1","2","10","7","1","3","1") = "9"
    & skf18("1","2","10","7","1","4","1") = "9"
    & skf18("1","2","10","7","1","5","1") = "9"
    & skf18("1","2","10","7","1","6","1") = "9"
    & skf18("1","2","10","7","1","7","1") = "9"
    & skf18("1","2","10","7","1","8","1") = "9"
    & skf18("1","2","10","7","1","9","1") = "9"
    & skf18("1","2","10","7","1","10","1") = "9"
    & skf18("1","2","10","7","2","1","1") = "9"
    & skf18("1","2","10","7","2","2","1") = "9"
    & skf18("1","2","10","7","2","3","1") = "9"
    & skf18("1","2","10","7","2","4","1") = "9"
    & skf18("1","2","10","7","2","5","1") = "9"
    & skf18("1","2","10","7","2","6","1") = "9"
    & skf18("1","2","10","7","2","7","1") = "9"
    & skf18("1","2","10","7","2","8","1") = "9"
    & skf18("1","2","10","7","2","9","1") = "9"
    & skf18("1","2","10","7","2","10","1") = "9"
    & skf18("1","2","10","7","3","1","1") = "9"
    & skf18("1","2","10","7","3","2","1") = "9"
    & skf18("1","2","10","7","3","3","1") = "9"
    & skf18("1","2","10","7","3","4","1") = "9"
    & skf18("1","2","10","7","3","5","1") = "9"
    & skf18("1","2","10","7","3","6","1") = "9"
    & skf18("1","2","10","7","3","7","1") = "9"
    & skf18("1","2","10","7","3","8","1") = "9"
    & skf18("1","2","10","7","3","9","1") = "9"
    & skf18("1","2","10","7","3","10","1") = "9"
    & skf18("1","2","10","7","4","1","1") = "9"
    & skf18("1","2","10","7","4","2","1") = "9"
    & skf18("1","2","10","7","4","3","1") = "9"
    & skf18("1","2","10","7","4","4","1") = "9"
    & skf18("1","2","10","7","4","5","1") = "9"
    & skf18("1","2","10","7","4","6","1") = "9"
    & skf18("1","2","10","7","4","7","1") = "9"
    & skf18("1","2","10","7","4","8","1") = "9"
    & skf18("1","2","10","7","4","9","1") = "9"
    & skf18("1","2","10","7","4","10","1") = "9"
    & skf18("1","2","10","7","5","1","1") = "9"
    & skf18("1","2","10","7","5","2","1") = "9"
    & skf18("1","2","10","7","5","3","1") = "9"
    & skf18("1","2","10","7","5","4","1") = "9"
    & skf18("1","2","10","7","5","5","1") = "9"
    & skf18("1","2","10","7","5","6","1") = "9"
    & skf18("1","2","10","7","5","7","1") = "9"
    & skf18("1","2","10","7","5","8","1") = "9"
    & skf18("1","2","10","7","5","9","1") = "9"
    & skf18("1","2","10","7","5","10","1") = "9"
    & skf18("1","2","10","7","6","1","1") = "9"
    & skf18("1","2","10","7","6","2","1") = "9"
    & skf18("1","2","10","7","6","3","1") = "9"
    & skf18("1","2","10","7","6","4","1") = "9"
    & skf18("1","2","10","7","6","5","1") = "9"
    & skf18("1","2","10","7","6","6","1") = "9"
    & skf18("1","2","10","7","6","7","1") = "9"
    & skf18("1","2","10","7","6","8","1") = "9"
    & skf18("1","2","10","7","6","9","1") = "9"
    & skf18("1","2","10","7","6","10","1") = "9"
    & skf18("1","2","10","7","7","1","1") = "9"
    & skf18("1","2","10","7","7","2","1") = "9"
    & skf18("1","2","10","7","7","3","1") = "9"
    & skf18("1","2","10","7","7","4","1") = "9"
    & skf18("1","2","10","7","7","5","1") = "9"
    & skf18("1","2","10","7","7","6","1") = "9"
    & skf18("1","2","10","7","7","7","1") = "9"
    & skf18("1","2","10","7","7","8","1") = "9"
    & skf18("1","2","10","7","7","9","1") = "9"
    & skf18("1","2","10","7","7","10","1") = "9"
    & skf18("1","2","10","7","8","1","1") = "9"
    & skf18("1","2","10","7","8","2","1") = "9"
    & skf18("1","2","10","7","8","3","1") = "9"
    & skf18("1","2","10","7","8","4","1") = "9"
    & skf18("1","2","10","7","8","5","1") = "9"
    & skf18("1","2","10","7","8","6","1") = "9"
    & skf18("1","2","10","7","8","7","1") = "9"
    & skf18("1","2","10","7","8","8","1") = "9"
    & skf18("1","2","10","7","8","9","1") = "9"
    & skf18("1","2","10","7","8","10","1") = "9"
    & skf18("1","2","10","7","9","1","1") = "9"
    & skf18("1","2","10","7","9","2","1") = "9"
    & skf18("1","2","10","7","9","3","1") = "9"
    & skf18("1","2","10","7","9","4","1") = "9"
    & skf18("1","2","10","7","9","5","1") = "9"
    & skf18("1","2","10","7","9","6","1") = "9"
    & skf18("1","2","10","7","9","7","1") = "9"
    & skf18("1","2","10","7","9","8","1") = "9"
    & skf18("1","2","10","7","9","9","1") = "9"
    & skf18("1","2","10","7","9","10","1") = "9"
    & skf18("1","2","10","7","10","1","1") = "9"
    & skf18("1","2","10","7","10","2","1") = "9"
    & skf18("1","2","10","7","10","3","1") = "9"
    & skf18("1","2","10","7","10","4","1") = "9"
    & skf18("1","2","10","7","10","5","1") = "9"
    & skf18("1","2","10","7","10","6","1") = "9"
    & skf18("1","2","10","7","10","7","1") = "9"
    & skf18("1","2","10","7","10","8","1") = "9"
    & skf18("1","2","10","7","10","9","1") = "9"
    & skf18("1","2","10","7","10","10","1") = "9"
    & skf18("1","2","10","8","1","1","1") = "9"
    & skf18("1","2","10","8","1","2","1") = "9"
    & skf18("1","2","10","8","1","3","1") = "9"
    & skf18("1","2","10","8","1","4","1") = "9"
    & skf18("1","2","10","8","1","5","1") = "9"
    & skf18("1","2","10","8","1","6","1") = "9"
    & skf18("1","2","10","8","1","7","1") = "9"
    & skf18("1","2","10","8","1","8","1") = "9"
    & skf18("1","2","10","8","1","9","1") = "9"
    & skf18("1","2","10","8","1","10","1") = "9"
    & skf18("1","2","10","8","2","1","1") = "9"
    & skf18("1","2","10","8","2","2","1") = "9"
    & skf18("1","2","10","8","2","3","1") = "9"
    & skf18("1","2","10","8","2","4","1") = "9"
    & skf18("1","2","10","8","2","5","1") = "9"
    & skf18("1","2","10","8","2","6","1") = "9"
    & skf18("1","2","10","8","2","7","1") = "9"
    & skf18("1","2","10","8","2","8","1") = "9"
    & skf18("1","2","10","8","2","9","1") = "9"
    & skf18("1","2","10","8","2","10","1") = "9"
    & skf18("1","2","10","8","3","1","1") = "9"
    & skf18("1","2","10","8","3","2","1") = "9"
    & skf18("1","2","10","8","3","3","1") = "9"
    & skf18("1","2","10","8","3","4","1") = "9"
    & skf18("1","2","10","8","3","5","1") = "9"
    & skf18("1","2","10","8","3","6","1") = "9"
    & skf18("1","2","10","8","3","7","1") = "9"
    & skf18("1","2","10","8","3","8","1") = "9"
    & skf18("1","2","10","8","3","9","1") = "9"
    & skf18("1","2","10","8","3","10","1") = "9"
    & skf18("1","2","10","8","4","1","1") = "9"
    & skf18("1","2","10","8","4","2","1") = "9"
    & skf18("1","2","10","8","4","3","1") = "9"
    & skf18("1","2","10","8","4","4","1") = "9"
    & skf18("1","2","10","8","4","5","1") = "9"
    & skf18("1","2","10","8","4","6","1") = "9"
    & skf18("1","2","10","8","4","7","1") = "9"
    & skf18("1","2","10","8","4","8","1") = "9"
    & skf18("1","2","10","8","4","9","1") = "9"
    & skf18("1","2","10","8","4","10","1") = "9"
    & skf18("1","2","10","8","5","1","1") = "9"
    & skf18("1","2","10","8","5","2","1") = "9"
    & skf18("1","2","10","8","5","3","1") = "9"
    & skf18("1","2","10","8","5","4","1") = "9"
    & skf18("1","2","10","8","5","5","1") = "9"
    & skf18("1","2","10","8","5","6","1") = "9"
    & skf18("1","2","10","8","5","7","1") = "9"
    & skf18("1","2","10","8","5","8","1") = "9"
    & skf18("1","2","10","8","5","9","1") = "9"
    & skf18("1","2","10","8","5","10","1") = "9"
    & skf18("1","2","10","8","6","1","1") = "9"
    & skf18("1","2","10","8","6","2","1") = "9"
    & skf18("1","2","10","8","6","3","1") = "9"
    & skf18("1","2","10","8","6","4","1") = "9"
    & skf18("1","2","10","8","6","5","1") = "9"
    & skf18("1","2","10","8","6","6","1") = "9"
    & skf18("1","2","10","8","6","7","1") = "9"
    & skf18("1","2","10","8","6","8","1") = "9"
    & skf18("1","2","10","8","6","9","1") = "9"
    & skf18("1","2","10","8","6","10","1") = "9"
    & skf18("1","2","10","8","7","1","1") = "9"
    & skf18("1","2","10","8","7","2","1") = "9"
    & skf18("1","2","10","8","7","3","1") = "9"
    & skf18("1","2","10","8","7","4","1") = "9"
    & skf18("1","2","10","8","7","5","1") = "9"
    & skf18("1","2","10","8","7","6","1") = "9"
    & skf18("1","2","10","8","7","7","1") = "9"
    & skf18("1","2","10","8","7","8","1") = "9"
    & skf18("1","2","10","8","7","9","1") = "9"
    & skf18("1","2","10","8","7","10","1") = "9"
    & skf18("1","2","10","8","8","1","1") = "9"
    & skf18("1","2","10","8","8","2","1") = "9"
    & skf18("1","2","10","8","8","3","1") = "9"
    & skf18("1","2","10","8","8","4","1") = "9"
    & skf18("1","2","10","8","8","5","1") = "9"
    & skf18("1","2","10","8","8","6","1") = "9"
    & skf18("1","2","10","8","8","7","1") = "9"
    & skf18("1","2","10","8","8","8","1") = "9"
    & skf18("1","2","10","8","8","9","1") = "9"
    & skf18("1","2","10","8","8","10","1") = "9"
    & skf18("1","2","10","8","9","1","1") = "9"
    & skf18("1","2","10","8","9","2","1") = "9"
    & skf18("1","2","10","8","9","3","1") = "9"
    & skf18("1","2","10","8","9","4","1") = "9"
    & skf18("1","2","10","8","9","5","1") = "9"
    & skf18("1","2","10","8","9","6","1") = "9"
    & skf18("1","2","10","8","9","7","1") = "9"
    & skf18("1","2","10","8","9","8","1") = "9"
    & skf18("1","2","10","8","9","9","1") = "9"
    & skf18("1","2","10","8","9","10","1") = "9"
    & skf18("1","2","10","8","10","1","1") = "9"
    & skf18("1","2","10","8","10","2","1") = "9"
    & skf18("1","2","10","8","10","3","1") = "9"
    & skf18("1","2","10","8","10","4","1") = "9"
    & skf18("1","2","10","8","10","5","1") = "9"
    & skf18("1","2","10","8","10","6","1") = "9"
    & skf18("1","2","10","8","10","7","1") = "9"
    & skf18("1","2","10","8","10","8","1") = "9"
    & skf18("1","2","10","8","10","9","1") = "9"
    & skf18("1","2","10","8","10","10","1") = "9"
    & skf18("1","2","10","9","1","1","1") = "9"
    & skf18("1","2","10","9","1","2","1") = "9"
    & skf18("1","2","10","9","1","3","1") = "9"
    & skf18("1","2","10","9","1","4","1") = "9"
    & skf18("1","2","10","9","1","5","1") = "9"
    & skf18("1","2","10","9","1","6","1") = "9"
    & skf18("1","2","10","9","1","7","1") = "9"
    & skf18("1","2","10","9","1","8","1") = "9"
    & skf18("1","2","10","9","1","9","1") = "9"
    & skf18("1","2","10","9","1","10","1") = "9"
    & skf18("1","2","10","9","2","1","1") = "9"
    & skf18("1","2","10","9","2","2","1") = "9"
    & skf18("1","2","10","9","2","3","1") = "9"
    & skf18("1","2","10","9","2","4","1") = "9"
    & skf18("1","2","10","9","2","5","1") = "9"
    & skf18("1","2","10","9","2","6","1") = "9"
    & skf18("1","2","10","9","2","7","1") = "9"
    & skf18("1","2","10","9","2","8","1") = "9"
    & skf18("1","2","10","9","2","9","1") = "9"
    & skf18("1","2","10","9","2","10","1") = "9"
    & skf18("1","2","10","9","3","1","1") = "9"
    & skf18("1","2","10","9","3","2","1") = "9"
    & skf18("1","2","10","9","3","3","1") = "9"
    & skf18("1","2","10","9","3","4","1") = "9"
    & skf18("1","2","10","9","3","5","1") = "9"
    & skf18("1","2","10","9","3","6","1") = "9"
    & skf18("1","2","10","9","3","7","1") = "9"
    & skf18("1","2","10","9","3","8","1") = "9"
    & skf18("1","2","10","9","3","9","1") = "9"
    & skf18("1","2","10","9","3","10","1") = "9"
    & skf18("1","2","10","9","4","1","1") = "9"
    & skf18("1","2","10","9","4","2","1") = "9"
    & skf18("1","2","10","9","4","3","1") = "9"
    & skf18("1","2","10","9","4","4","1") = "9"
    & skf18("1","2","10","9","4","5","1") = "9"
    & skf18("1","2","10","9","4","6","1") = "9"
    & skf18("1","2","10","9","4","7","1") = "9"
    & skf18("1","2","10","9","4","8","1") = "9"
    & skf18("1","2","10","9","4","9","1") = "9"
    & skf18("1","2","10","9","4","10","1") = "9"
    & skf18("1","2","10","9","5","1","1") = "9"
    & skf18("1","2","10","9","5","2","1") = "9"
    & skf18("1","2","10","9","5","3","1") = "9"
    & skf18("1","2","10","9","5","4","1") = "9"
    & skf18("1","2","10","9","5","5","1") = "9"
    & skf18("1","2","10","9","5","6","1") = "9"
    & skf18("1","2","10","9","5","7","1") = "9"
    & skf18("1","2","10","9","5","8","1") = "9"
    & skf18("1","2","10","9","5","9","1") = "9"
    & skf18("1","2","10","9","5","10","1") = "9"
    & skf18("1","2","10","9","6","1","1") = "9"
    & skf18("1","2","10","9","6","2","1") = "9"
    & skf18("1","2","10","9","6","3","1") = "9"
    & skf18("1","2","10","9","6","4","1") = "9"
    & skf18("1","2","10","9","6","5","1") = "9"
    & skf18("1","2","10","9","6","6","1") = "9"
    & skf18("1","2","10","9","6","7","1") = "9"
    & skf18("1","2","10","9","6","8","1") = "9"
    & skf18("1","2","10","9","6","9","1") = "9"
    & skf18("1","2","10","9","6","10","1") = "9"
    & skf18("1","2","10","9","7","1","1") = "9"
    & skf18("1","2","10","9","7","2","1") = "9"
    & skf18("1","2","10","9","7","3","1") = "9"
    & skf18("1","2","10","9","7","4","1") = "9"
    & skf18("1","2","10","9","7","5","1") = "9"
    & skf18("1","2","10","9","7","6","1") = "9"
    & skf18("1","2","10","9","7","7","1") = "9"
    & skf18("1","2","10","9","7","8","1") = "9"
    & skf18("1","2","10","9","7","9","1") = "9"
    & skf18("1","2","10","9","7","10","1") = "9"
    & skf18("1","2","10","9","8","1","1") = "9"
    & skf18("1","2","10","9","8","2","1") = "9"
    & skf18("1","2","10","9","8","3","1") = "9"
    & skf18("1","2","10","9","8","4","1") = "9"
    & skf18("1","2","10","9","8","5","1") = "9"
    & skf18("1","2","10","9","8","6","1") = "9"
    & skf18("1","2","10","9","8","7","1") = "9"
    & skf18("1","2","10","9","8","8","1") = "9"
    & skf18("1","2","10","9","8","9","1") = "9"
    & skf18("1","2","10","9","8","10","1") = "9"
    & skf18("1","2","10","9","9","1","1") = "9"
    & skf18("1","2","10","9","9","2","1") = "9"
    & skf18("1","2","10","9","9","3","1") = "9"
    & skf18("1","2","10","9","9","4","1") = "9"
    & skf18("1","2","10","9","9","5","1") = "9"
    & skf18("1","2","10","9","9","6","1") = "9"
    & skf18("1","2","10","9","9","7","1") = "9"
    & skf18("1","2","10","9","9","8","1") = "9"
    & skf18("1","2","10","9","9","9","1") = "9"
    & skf18("1","2","10","9","9","10","1") = "9"
    & skf18("1","2","10","9","10","1","1") = "9"
    & skf18("1","2","10","9","10","2","1") = "9"
    & skf18("1","2","10","9","10","3","1") = "9"
    & skf18("1","2","10","9","10","4","1") = "9"
    & skf18("1","2","10","9","10","5","1") = "9"
    & skf18("1","2","10","9","10","6","1") = "9"
    & skf18("1","2","10","9","10","7","1") = "9"
    & skf18("1","2","10","9","10","8","1") = "9"
    & skf18("1","2","10","9","10","9","1") = "9"
    & skf18("1","2","10","9","10","10","1") = "9"
    & skf18("1","2","10","10","1","1","1") = "9"
    & skf18("1","2","10","10","1","2","1") = "9"
    & skf18("1","2","10","10","1","3","1") = "9"
    & skf18("1","2","10","10","1","4","1") = "9"
    & skf18("1","2","10","10","1","5","1") = "9"
    & skf18("1","2","10","10","1","6","1") = "9"
    & skf18("1","2","10","10","1","7","1") = "9"
    & skf18("1","2","10","10","1","8","1") = "9"
    & skf18("1","2","10","10","1","9","1") = "9"
    & skf18("1","2","10","10","1","10","1") = "9"
    & skf18("1","2","10","10","2","1","1") = "9"
    & skf18("1","2","10","10","2","2","1") = "9"
    & skf18("1","2","10","10","2","3","1") = "9"
    & skf18("1","2","10","10","2","4","1") = "9"
    & skf18("1","2","10","10","2","5","1") = "9"
    & skf18("1","2","10","10","2","6","1") = "9"
    & skf18("1","2","10","10","2","7","1") = "9"
    & skf18("1","2","10","10","2","8","1") = "9"
    & skf18("1","2","10","10","2","9","1") = "9"
    & skf18("1","2","10","10","2","10","1") = "9"
    & skf18("1","2","10","10","3","1","1") = "9"
    & skf18("1","2","10","10","3","2","1") = "9"
    & skf18("1","2","10","10","3","3","1") = "9"
    & skf18("1","2","10","10","3","4","1") = "9"
    & skf18("1","2","10","10","3","5","1") = "9"
    & skf18("1","2","10","10","3","6","1") = "9"
    & skf18("1","2","10","10","3","7","1") = "9"
    & skf18("1","2","10","10","3","8","1") = "9"
    & skf18("1","2","10","10","3","9","1") = "9"
    & skf18("1","2","10","10","3","10","1") = "9"
    & skf18("1","2","10","10","4","1","1") = "9"
    & skf18("1","2","10","10","4","2","1") = "9"
    & skf18("1","2","10","10","4","3","1") = "9"
    & skf18("1","2","10","10","4","4","1") = "9"
    & skf18("1","2","10","10","4","5","1") = "9"
    & skf18("1","2","10","10","4","6","1") = "9"
    & skf18("1","2","10","10","4","7","1") = "9"
    & skf18("1","2","10","10","4","8","1") = "9"
    & skf18("1","2","10","10","4","9","1") = "9"
    & skf18("1","2","10","10","4","10","1") = "9"
    & skf18("1","2","10","10","5","1","1") = "9"
    & skf18("1","2","10","10","5","2","1") = "9"
    & skf18("1","2","10","10","5","3","1") = "9"
    & skf18("1","2","10","10","5","4","1") = "9"
    & skf18("1","2","10","10","5","5","1") = "9"
    & skf18("1","2","10","10","5","6","1") = "9"
    & skf18("1","2","10","10","5","7","1") = "9"
    & skf18("1","2","10","10","5","8","1") = "9"
    & skf18("1","2","10","10","5","9","1") = "9"
    & skf18("1","2","10","10","5","10","1") = "9"
    & skf18("1","2","10","10","6","1","1") = "9"
    & skf18("1","2","10","10","6","2","1") = "9"
    & skf18("1","2","10","10","6","3","1") = "9"
    & skf18("1","2","10","10","6","4","1") = "9"
    & skf18("1","2","10","10","6","5","1") = "9"
    & skf18("1","2","10","10","6","6","1") = "9"
    & skf18("1","2","10","10","6","7","1") = "9"
    & skf18("1","2","10","10","6","8","1") = "9"
    & skf18("1","2","10","10","6","9","1") = "9"
    & skf18("1","2","10","10","6","10","1") = "9"
    & skf18("1","2","10","10","7","1","1") = "9"
    & skf18("1","2","10","10","7","2","1") = "9"
    & skf18("1","2","10","10","7","3","1") = "9"
    & skf18("1","2","10","10","7","4","1") = "9"
    & skf18("1","2","10","10","7","5","1") = "9"
    & skf18("1","2","10","10","7","6","1") = "9"
    & skf18("1","2","10","10","7","7","1") = "9"
    & skf18("1","2","10","10","7","8","1") = "9"
    & skf18("1","2","10","10","7","9","1") = "9"
    & skf18("1","2","10","10","7","10","1") = "9"
    & skf18("1","2","10","10","8","1","1") = "9"
    & skf18("1","2","10","10","8","2","1") = "9"
    & skf18("1","2","10","10","8","3","1") = "9"
    & skf18("1","2","10","10","8","4","1") = "9"
    & skf18("1","2","10","10","8","5","1") = "9"
    & skf18("1","2","10","10","8","6","1") = "9"
    & skf18("1","2","10","10","8","7","1") = "9"
    & skf18("1","2","10","10","8","8","1") = "9"
    & skf18("1","2","10","10","8","9","1") = "9"
    & skf18("1","2","10","10","8","10","1") = "9"
    & skf18("1","2","10","10","9","1","1") = "9"
    & skf18("1","2","10","10","9","2","1") = "9"
    & skf18("1","2","10","10","9","3","1") = "9"
    & skf18("1","2","10","10","9","4","1") = "9"
    & skf18("1","2","10","10","9","5","1") = "9"
    & skf18("1","2","10","10","9","6","1") = "9"
    & skf18("1","2","10","10","9","7","1") = "9"
    & skf18("1","2","10","10","9","8","1") = "9"
    & skf18("1","2","10","10","9","9","1") = "9"
    & skf18("1","2","10","10","9","10","1") = "9"
    & skf18("1","2","10","10","10","1","1") = "9"
    & skf18("1","2","10","10","10","2","1") = "9"
    & skf18("1","2","10","10","10","3","1") = "9"
    & skf18("1","2","10","10","10","4","1") = "9"
    & skf18("1","2","10","10","10","5","1") = "9"
    & skf18("1","2","10","10","10","6","1") = "9"
    & skf18("1","2","10","10","10","7","1") = "9"
    & skf18("1","2","10","10","10","8","1") = "9"
    & skf18("1","2","10","10","10","9","1") = "9"
    & skf18("1","2","10","10","10","10","1") = "9"
    & skf18("1","3","1","1","1","1","1") = "1"
    & skf18("1","3","1","1","1","2","1") = "2"
    & skf18("1","3","1","1","1","3","1") = "2"
    & skf18("1","3","1","1","1","4","1") = "3"
    & skf18("1","3","1","1","1","5","1") = "4"
    & skf18("1","3","1","1","1","6","1") = "5"
    & skf18("1","3","1","1","1","7","1") = "6"
    & skf18("1","3","1","1","1","8","1") = "7"
    & skf18("1","3","1","1","1","9","1") = "8"
    & skf18("1","3","1","1","1","10","1") = "9"
    & skf18("1","3","1","1","2","1","1") = "2"
    & skf18("1","3","1","1","2","2","1") = "2"
    & skf18("1","3","1","1","2","3","1") = "2"
    & skf18("1","3","1","1","2","4","1") = "3"
    & skf18("1","3","1","1","2","5","1") = "4"
    & skf18("1","3","1","1","2","6","1") = "5"
    & skf18("1","3","1","1","2","7","1") = "6"
    & skf18("1","3","1","1","2","8","1") = "7"
    & skf18("1","3","1","1","2","9","1") = "8"
    & skf18("1","3","1","1","2","10","1") = "9"
    & skf18("1","3","1","1","3","1","1") = "2"
    & skf18("1","3","1","1","3","2","1") = "2"
    & skf18("1","3","1","1","3","3","1") = "2"
    & skf18("1","3","1","1","3","4","1") = "3"
    & skf18("1","3","1","1","3","5","1") = "4"
    & skf18("1","3","1","1","3","6","1") = "5"
    & skf18("1","3","1","1","3","7","1") = "6"
    & skf18("1","3","1","1","3","8","1") = "7"
    & skf18("1","3","1","1","3","9","1") = "8"
    & skf18("1","3","1","1","3","10","1") = "9"
    & skf18("1","3","1","1","4","1","1") = "3"
    & skf18("1","3","1","1","4","2","1") = "3"
    & skf18("1","3","1","1","4","3","1") = "3"
    & skf18("1","3","1","1","4","4","1") = "3"
    & skf18("1","3","1","1","4","5","1") = "4"
    & skf18("1","3","1","1","4","6","1") = "5"
    & skf18("1","3","1","1","4","7","1") = "6"
    & skf18("1","3","1","1","4","8","1") = "7"
    & skf18("1","3","1","1","4","9","1") = "8"
    & skf18("1","3","1","1","4","10","1") = "9"
    & skf18("1","3","1","1","5","1","1") = "4"
    & skf18("1","3","1","1","5","2","1") = "4"
    & skf18("1","3","1","1","5","3","1") = "4"
    & skf18("1","3","1","1","5","4","1") = "4"
    & skf18("1","3","1","1","5","5","1") = "4"
    & skf18("1","3","1","1","5","6","1") = "5"
    & skf18("1","3","1","1","5","7","1") = "6"
    & skf18("1","3","1","1","5","8","1") = "7"
    & skf18("1","3","1","1","5","9","1") = "8"
    & skf18("1","3","1","1","5","10","1") = "9"
    & skf18("1","3","1","1","6","1","1") = "5"
    & skf18("1","3","1","1","6","2","1") = "5"
    & skf18("1","3","1","1","6","3","1") = "5"
    & skf18("1","3","1","1","6","4","1") = "5"
    & skf18("1","3","1","1","6","5","1") = "5"
    & skf18("1","3","1","1","6","6","1") = "5"
    & skf18("1","3","1","1","6","7","1") = "6"
    & skf18("1","3","1","1","6","8","1") = "7"
    & skf18("1","3","1","1","6","9","1") = "8"
    & skf18("1","3","1","1","6","10","1") = "9"
    & skf18("1","3","1","1","7","1","1") = "6"
    & skf18("1","3","1","1","7","2","1") = "6"
    & skf18("1","3","1","1","7","3","1") = "6"
    & skf18("1","3","1","1","7","4","1") = "6"
    & skf18("1","3","1","1","7","5","1") = "6"
    & skf18("1","3","1","1","7","6","1") = "6"
    & skf18("1","3","1","1","7","7","1") = "6"
    & skf18("1","3","1","1","7","8","1") = "7"
    & skf18("1","3","1","1","7","9","1") = "8"
    & skf18("1","3","1","1","7","10","1") = "9"
    & skf18("1","3","1","1","8","1","1") = "7"
    & skf18("1","3","1","1","8","2","1") = "7"
    & skf18("1","3","1","1","8","3","1") = "7"
    & skf18("1","3","1","1","8","4","1") = "7"
    & skf18("1","3","1","1","8","5","1") = "7"
    & skf18("1","3","1","1","8","6","1") = "7"
    & skf18("1","3","1","1","8","7","1") = "7"
    & skf18("1","3","1","1","8","8","1") = "7"
    & skf18("1","3","1","1","8","9","1") = "8"
    & skf18("1","3","1","1","8","10","1") = "9"
    & skf18("1","3","1","1","9","1","1") = "8"
    & skf18("1","3","1","1","9","2","1") = "8"
    & skf18("1","3","1","1","9","3","1") = "8"
    & skf18("1","3","1","1","9","4","1") = "8"
    & skf18("1","3","1","1","9","5","1") = "8"
    & skf18("1","3","1","1","9","6","1") = "8"
    & skf18("1","3","1","1","9","7","1") = "8"
    & skf18("1","3","1","1","9","8","1") = "8"
    & skf18("1","3","1","1","9","9","1") = "8"
    & skf18("1","3","1","1","9","10","1") = "9"
    & skf18("1","3","1","1","10","1","1") = "9"
    & skf18("1","3","1","1","10","2","1") = "9"
    & skf18("1","3","1","1","10","3","1") = "9"
    & skf18("1","3","1","1","10","4","1") = "9"
    & skf18("1","3","1","1","10","5","1") = "9"
    & skf18("1","3","1","1","10","6","1") = "9"
    & skf18("1","3","1","1","10","7","1") = "9"
    & skf18("1","3","1","1","10","8","1") = "9"
    & skf18("1","3","1","1","10","9","1") = "9"
    & skf18("1","3","1","1","10","10","1") = "9"
    & skf18("1","3","1","2","1","1","1") = "2"
    & skf18("1","3","1","2","1","2","1") = "2"
    & skf18("1","3","1","2","1","3","1") = "2"
    & skf18("1","3","1","2","1","4","1") = "3"
    & skf18("1","3","1","2","1","5","1") = "4"
    & skf18("1","3","1","2","1","6","1") = "5"
    & skf18("1","3","1","2","1","7","1") = "6"
    & skf18("1","3","1","2","1","8","1") = "7"
    & skf18("1","3","1","2","1","9","1") = "8"
    & skf18("1","3","1","2","1","10","1") = "9"
    & skf18("1","3","1","2","2","1","1") = "2"
    & skf18("1","3","1","2","2","2","1") = "2"
    & skf18("1","3","1","2","2","3","1") = "2"
    & skf18("1","3","1","2","2","4","1") = "3"
    & skf18("1","3","1","2","2","5","1") = "4"
    & skf18("1","3","1","2","2","6","1") = "5"
    & skf18("1","3","1","2","2","7","1") = "6"
    & skf18("1","3","1","2","2","8","1") = "7"
    & skf18("1","3","1","2","2","9","1") = "8"
    & skf18("1","3","1","2","2","10","1") = "9"
    & skf18("1","3","1","2","3","1","1") = "2"
    & skf18("1","3","1","2","3","2","1") = "2"
    & skf18("1","3","1","2","3","3","1") = "2"
    & skf18("1","3","1","2","3","4","1") = "3"
    & skf18("1","3","1","2","3","5","1") = "4"
    & skf18("1","3","1","2","3","6","1") = "5"
    & skf18("1","3","1","2","3","7","1") = "6"
    & skf18("1","3","1","2","3","8","1") = "7"
    & skf18("1","3","1","2","3","9","1") = "8"
    & skf18("1","3","1","2","3","10","1") = "9"
    & skf18("1","3","1","2","4","1","1") = "3"
    & skf18("1","3","1","2","4","2","1") = "3"
    & skf18("1","3","1","2","4","3","1") = "3"
    & skf18("1","3","1","2","4","4","1") = "3"
    & skf18("1","3","1","2","4","5","1") = "4"
    & skf18("1","3","1","2","4","6","1") = "5"
    & skf18("1","3","1","2","4","7","1") = "6"
    & skf18("1","3","1","2","4","8","1") = "7"
    & skf18("1","3","1","2","4","9","1") = "8"
    & skf18("1","3","1","2","4","10","1") = "9"
    & skf18("1","3","1","2","5","1","1") = "4"
    & skf18("1","3","1","2","5","2","1") = "4"
    & skf18("1","3","1","2","5","3","1") = "4"
    & skf18("1","3","1","2","5","4","1") = "4"
    & skf18("1","3","1","2","5","5","1") = "4"
    & skf18("1","3","1","2","5","6","1") = "5"
    & skf18("1","3","1","2","5","7","1") = "6"
    & skf18("1","3","1","2","5","8","1") = "7"
    & skf18("1","3","1","2","5","9","1") = "8"
    & skf18("1","3","1","2","5","10","1") = "9"
    & skf18("1","3","1","2","6","1","1") = "5"
    & skf18("1","3","1","2","6","2","1") = "5"
    & skf18("1","3","1","2","6","3","1") = "5"
    & skf18("1","3","1","2","6","4","1") = "5"
    & skf18("1","3","1","2","6","5","1") = "5"
    & skf18("1","3","1","2","6","6","1") = "5"
    & skf18("1","3","1","2","6","7","1") = "6"
    & skf18("1","3","1","2","6","8","1") = "7"
    & skf18("1","3","1","2","6","9","1") = "8"
    & skf18("1","3","1","2","6","10","1") = "9"
    & skf18("1","3","1","2","7","1","1") = "6"
    & skf18("1","3","1","2","7","2","1") = "6"
    & skf18("1","3","1","2","7","3","1") = "6"
    & skf18("1","3","1","2","7","4","1") = "6"
    & skf18("1","3","1","2","7","5","1") = "6"
    & skf18("1","3","1","2","7","6","1") = "6"
    & skf18("1","3","1","2","7","7","1") = "6"
    & skf18("1","3","1","2","7","8","1") = "7"
    & skf18("1","3","1","2","7","9","1") = "8"
    & skf18("1","3","1","2","7","10","1") = "9"
    & skf18("1","3","1","2","8","1","1") = "7"
    & skf18("1","3","1","2","8","2","1") = "7"
    & skf18("1","3","1","2","8","3","1") = "7"
    & skf18("1","3","1","2","8","4","1") = "7"
    & skf18("1","3","1","2","8","5","1") = "7"
    & skf18("1","3","1","2","8","6","1") = "7"
    & skf18("1","3","1","2","8","7","1") = "7"
    & skf18("1","3","1","2","8","8","1") = "7"
    & skf18("1","3","1","2","8","9","1") = "8"
    & skf18("1","3","1","2","8","10","1") = "9"
    & skf18("1","3","1","2","9","1","1") = "8"
    & skf18("1","3","1","2","9","2","1") = "8"
    & skf18("1","3","1","2","9","3","1") = "8"
    & skf18("1","3","1","2","9","4","1") = "8"
    & skf18("1","3","1","2","9","5","1") = "8"
    & skf18("1","3","1","2","9","6","1") = "8"
    & skf18("1","3","1","2","9","7","1") = "8"
    & skf18("1","3","1","2","9","8","1") = "8"
    & skf18("1","3","1","2","9","9","1") = "8"
    & skf18("1","3","1","2","9","10","1") = "9"
    & skf18("1","3","1","2","10","1","1") = "9"
    & skf18("1","3","1","2","10","2","1") = "9"
    & skf18("1","3","1","2","10","3","1") = "9"
    & skf18("1","3","1","2","10","4","1") = "9"
    & skf18("1","3","1","2","10","5","1") = "9"
    & skf18("1","3","1","2","10","6","1") = "9"
    & skf18("1","3","1","2","10","7","1") = "9"
    & skf18("1","3","1","2","10","8","1") = "9"
    & skf18("1","3","1","2","10","9","1") = "9"
    & skf18("1","3","1","2","10","10","1") = "9"
    & skf18("1","3","1","3","1","1","1") = "2"
    & skf18("1","3","1","3","1","2","1") = "2"
    & skf18("1","3","1","3","1","3","1") = "2"
    & skf18("1","3","1","3","1","4","1") = "3"
    & skf18("1","3","1","3","1","5","1") = "4"
    & skf18("1","3","1","3","1","6","1") = "5"
    & skf18("1","3","1","3","1","7","1") = "6"
    & skf18("1","3","1","3","1","8","1") = "7"
    & skf18("1","3","1","3","1","9","1") = "8"
    & skf18("1","3","1","3","1","10","1") = "9"
    & skf18("1","3","1","3","2","1","1") = "2"
    & skf18("1","3","1","3","2","2","1") = "2"
    & skf18("1","3","1","3","2","3","1") = "2"
    & skf18("1","3","1","3","2","4","1") = "3"
    & skf18("1","3","1","3","2","5","1") = "4"
    & skf18("1","3","1","3","2","6","1") = "5"
    & skf18("1","3","1","3","2","7","1") = "6"
    & skf18("1","3","1","3","2","8","1") = "7"
    & skf18("1","3","1","3","2","9","1") = "8"
    & skf18("1","3","1","3","2","10","1") = "9"
    & skf18("1","3","1","3","3","1","1") = "2"
    & skf18("1","3","1","3","3","2","1") = "2"
    & skf18("1","3","1","3","3","3","1") = "2"
    & skf18("1","3","1","3","3","4","1") = "3"
    & skf18("1","3","1","3","3","5","1") = "4"
    & skf18("1","3","1","3","3","6","1") = "5"
    & skf18("1","3","1","3","3","7","1") = "6"
    & skf18("1","3","1","3","3","8","1") = "7"
    & skf18("1","3","1","3","3","9","1") = "8"
    & skf18("1","3","1","3","3","10","1") = "9"
    & skf18("1","3","1","3","4","1","1") = "3"
    & skf18("1","3","1","3","4","2","1") = "3"
    & skf18("1","3","1","3","4","3","1") = "3"
    & skf18("1","3","1","3","4","4","1") = "3"
    & skf18("1","3","1","3","4","5","1") = "4"
    & skf18("1","3","1","3","4","6","1") = "5"
    & skf18("1","3","1","3","4","7","1") = "6"
    & skf18("1","3","1","3","4","8","1") = "7"
    & skf18("1","3","1","3","4","9","1") = "8"
    & skf18("1","3","1","3","4","10","1") = "9"
    & skf18("1","3","1","3","5","1","1") = "4"
    & skf18("1","3","1","3","5","2","1") = "4"
    & skf18("1","3","1","3","5","3","1") = "4"
    & skf18("1","3","1","3","5","4","1") = "4"
    & skf18("1","3","1","3","5","5","1") = "4"
    & skf18("1","3","1","3","5","6","1") = "5"
    & skf18("1","3","1","3","5","7","1") = "6"
    & skf18("1","3","1","3","5","8","1") = "7"
    & skf18("1","3","1","3","5","9","1") = "8"
    & skf18("1","3","1","3","5","10","1") = "9"
    & skf18("1","3","1","3","6","1","1") = "5"
    & skf18("1","3","1","3","6","2","1") = "5"
    & skf18("1","3","1","3","6","3","1") = "5"
    & skf18("1","3","1","3","6","4","1") = "5"
    & skf18("1","3","1","3","6","5","1") = "5"
    & skf18("1","3","1","3","6","6","1") = "5"
    & skf18("1","3","1","3","6","7","1") = "6"
    & skf18("1","3","1","3","6","8","1") = "7"
    & skf18("1","3","1","3","6","9","1") = "8"
    & skf18("1","3","1","3","6","10","1") = "9"
    & skf18("1","3","1","3","7","1","1") = "6"
    & skf18("1","3","1","3","7","2","1") = "6"
    & skf18("1","3","1","3","7","3","1") = "6"
    & skf18("1","3","1","3","7","4","1") = "6"
    & skf18("1","3","1","3","7","5","1") = "6"
    & skf18("1","3","1","3","7","6","1") = "6"
    & skf18("1","3","1","3","7","7","1") = "6"
    & skf18("1","3","1","3","7","8","1") = "7"
    & skf18("1","3","1","3","7","9","1") = "8"
    & skf18("1","3","1","3","7","10","1") = "9"
    & skf18("1","3","1","3","8","1","1") = "7"
    & skf18("1","3","1","3","8","2","1") = "7"
    & skf18("1","3","1","3","8","3","1") = "7"
    & skf18("1","3","1","3","8","4","1") = "7"
    & skf18("1","3","1","3","8","5","1") = "7"
    & skf18("1","3","1","3","8","6","1") = "7"
    & skf18("1","3","1","3","8","7","1") = "7"
    & skf18("1","3","1","3","8","8","1") = "7"
    & skf18("1","3","1","3","8","9","1") = "8"
    & skf18("1","3","1","3","8","10","1") = "9"
    & skf18("1","3","1","3","9","1","1") = "8"
    & skf18("1","3","1","3","9","2","1") = "8"
    & skf18("1","3","1","3","9","3","1") = "8"
    & skf18("1","3","1","3","9","4","1") = "8"
    & skf18("1","3","1","3","9","5","1") = "8"
    & skf18("1","3","1","3","9","6","1") = "8"
    & skf18("1","3","1","3","9","7","1") = "8"
    & skf18("1","3","1","3","9","8","1") = "8"
    & skf18("1","3","1","3","9","9","1") = "8"
    & skf18("1","3","1","3","9","10","1") = "9"
    & skf18("1","3","1","3","10","1","1") = "9"
    & skf18("1","3","1","3","10","2","1") = "9"
    & skf18("1","3","1","3","10","3","1") = "9"
    & skf18("1","3","1","3","10","4","1") = "9"
    & skf18("1","3","1","3","10","5","1") = "9"
    & skf18("1","3","1","3","10","6","1") = "9"
    & skf18("1","3","1","3","10","7","1") = "9"
    & skf18("1","3","1","3","10","8","1") = "9"
    & skf18("1","3","1","3","10","9","1") = "9"
    & skf18("1","3","1","3","10","10","1") = "9"
    & skf18("1","3","1","4","1","1","1") = "3"
    & skf18("1","3","1","4","1","2","1") = "3"
    & skf18("1","3","1","4","1","3","1") = "3"
    & skf18("1","3","1","4","1","4","1") = "3"
    & skf18("1","3","1","4","1","5","1") = "4"
    & skf18("1","3","1","4","1","6","1") = "5"
    & skf18("1","3","1","4","1","7","1") = "6"
    & skf18("1","3","1","4","1","8","1") = "7"
    & skf18("1","3","1","4","1","9","1") = "8"
    & skf18("1","3","1","4","1","10","1") = "9"
    & skf18("1","3","1","4","2","1","1") = "3"
    & skf18("1","3","1","4","2","2","1") = "3"
    & skf18("1","3","1","4","2","3","1") = "3"
    & skf18("1","3","1","4","2","4","1") = "3"
    & skf18("1","3","1","4","2","5","1") = "4"
    & skf18("1","3","1","4","2","6","1") = "5"
    & skf18("1","3","1","4","2","7","1") = "6"
    & skf18("1","3","1","4","2","8","1") = "7"
    & skf18("1","3","1","4","2","9","1") = "8"
    & skf18("1","3","1","4","2","10","1") = "9"
    & skf18("1","3","1","4","3","1","1") = "3"
    & skf18("1","3","1","4","3","2","1") = "3"
    & skf18("1","3","1","4","3","3","1") = "3"
    & skf18("1","3","1","4","3","4","1") = "3"
    & skf18("1","3","1","4","3","5","1") = "4"
    & skf18("1","3","1","4","3","6","1") = "5"
    & skf18("1","3","1","4","3","7","1") = "6"
    & skf18("1","3","1","4","3","8","1") = "7"
    & skf18("1","3","1","4","3","9","1") = "8"
    & skf18("1","3","1","4","3","10","1") = "9"
    & skf18("1","3","1","4","4","1","1") = "3"
    & skf18("1","3","1","4","4","2","1") = "3"
    & skf18("1","3","1","4","4","3","1") = "3"
    & skf18("1","3","1","4","4","4","1") = "3"
    & skf18("1","3","1","4","4","5","1") = "4"
    & skf18("1","3","1","4","4","6","1") = "5"
    & skf18("1","3","1","4","4","7","1") = "6"
    & skf18("1","3","1","4","4","8","1") = "7"
    & skf18("1","3","1","4","4","9","1") = "8"
    & skf18("1","3","1","4","4","10","1") = "9"
    & skf18("1","3","1","4","5","1","1") = "4"
    & skf18("1","3","1","4","5","2","1") = "4"
    & skf18("1","3","1","4","5","3","1") = "4"
    & skf18("1","3","1","4","5","4","1") = "4"
    & skf18("1","3","1","4","5","5","1") = "4"
    & skf18("1","3","1","4","5","6","1") = "5"
    & skf18("1","3","1","4","5","7","1") = "6"
    & skf18("1","3","1","4","5","8","1") = "7"
    & skf18("1","3","1","4","5","9","1") = "8"
    & skf18("1","3","1","4","5","10","1") = "9"
    & skf18("1","3","1","4","6","1","1") = "5"
    & skf18("1","3","1","4","6","2","1") = "5"
    & skf18("1","3","1","4","6","3","1") = "5"
    & skf18("1","3","1","4","6","4","1") = "5"
    & skf18("1","3","1","4","6","5","1") = "5"
    & skf18("1","3","1","4","6","6","1") = "5"
    & skf18("1","3","1","4","6","7","1") = "6"
    & skf18("1","3","1","4","6","8","1") = "7"
    & skf18("1","3","1","4","6","9","1") = "8"
    & skf18("1","3","1","4","6","10","1") = "9"
    & skf18("1","3","1","4","7","1","1") = "6"
    & skf18("1","3","1","4","7","2","1") = "6"
    & skf18("1","3","1","4","7","3","1") = "6"
    & skf18("1","3","1","4","7","4","1") = "6"
    & skf18("1","3","1","4","7","5","1") = "6"
    & skf18("1","3","1","4","7","6","1") = "6"
    & skf18("1","3","1","4","7","7","1") = "6"
    & skf18("1","3","1","4","7","8","1") = "7"
    & skf18("1","3","1","4","7","9","1") = "8"
    & skf18("1","3","1","4","7","10","1") = "9"
    & skf18("1","3","1","4","8","1","1") = "7"
    & skf18("1","3","1","4","8","2","1") = "7"
    & skf18("1","3","1","4","8","3","1") = "7"
    & skf18("1","3","1","4","8","4","1") = "7"
    & skf18("1","3","1","4","8","5","1") = "7"
    & skf18("1","3","1","4","8","6","1") = "7"
    & skf18("1","3","1","4","8","7","1") = "7"
    & skf18("1","3","1","4","8","8","1") = "7"
    & skf18("1","3","1","4","8","9","1") = "8"
    & skf18("1","3","1","4","8","10","1") = "9"
    & skf18("1","3","1","4","9","1","1") = "8"
    & skf18("1","3","1","4","9","2","1") = "8"
    & skf18("1","3","1","4","9","3","1") = "8"
    & skf18("1","3","1","4","9","4","1") = "8"
    & skf18("1","3","1","4","9","5","1") = "8"
    & skf18("1","3","1","4","9","6","1") = "8"
    & skf18("1","3","1","4","9","7","1") = "8"
    & skf18("1","3","1","4","9","8","1") = "8"
    & skf18("1","3","1","4","9","9","1") = "8"
    & skf18("1","3","1","4","9","10","1") = "9"
    & skf18("1","3","1","4","10","1","1") = "9"
    & skf18("1","3","1","4","10","2","1") = "9"
    & skf18("1","3","1","4","10","3","1") = "9"
    & skf18("1","3","1","4","10","4","1") = "9"
    & skf18("1","3","1","4","10","5","1") = "9"
    & skf18("1","3","1","4","10","6","1") = "9"
    & skf18("1","3","1","4","10","7","1") = "9"
    & skf18("1","3","1","4","10","8","1") = "9"
    & skf18("1","3","1","4","10","9","1") = "9"
    & skf18("1","3","1","4","10","10","1") = "9"
    & skf18("1","3","1","5","1","1","1") = "4"
    & skf18("1","3","1","5","1","2","1") = "4"
    & skf18("1","3","1","5","1","3","1") = "4"
    & skf18("1","3","1","5","1","4","1") = "4"
    & skf18("1","3","1","5","1","5","1") = "4"
    & skf18("1","3","1","5","1","6","1") = "5"
    & skf18("1","3","1","5","1","7","1") = "6"
    & skf18("1","3","1","5","1","8","1") = "7"
    & skf18("1","3","1","5","1","9","1") = "8"
    & skf18("1","3","1","5","1","10","1") = "9"
    & skf18("1","3","1","5","2","1","1") = "4"
    & skf18("1","3","1","5","2","2","1") = "4"
    & skf18("1","3","1","5","2","3","1") = "4"
    & skf18("1","3","1","5","2","4","1") = "4"
    & skf18("1","3","1","5","2","5","1") = "4"
    & skf18("1","3","1","5","2","6","1") = "5"
    & skf18("1","3","1","5","2","7","1") = "6"
    & skf18("1","3","1","5","2","8","1") = "7"
    & skf18("1","3","1","5","2","9","1") = "8"
    & skf18("1","3","1","5","2","10","1") = "9"
    & skf18("1","3","1","5","3","1","1") = "4"
    & skf18("1","3","1","5","3","2","1") = "4"
    & skf18("1","3","1","5","3","3","1") = "4"
    & skf18("1","3","1","5","3","4","1") = "4"
    & skf18("1","3","1","5","3","5","1") = "4"
    & skf18("1","3","1","5","3","6","1") = "5"
    & skf18("1","3","1","5","3","7","1") = "6"
    & skf18("1","3","1","5","3","8","1") = "7"
    & skf18("1","3","1","5","3","9","1") = "8"
    & skf18("1","3","1","5","3","10","1") = "9"
    & skf18("1","3","1","5","4","1","1") = "4"
    & skf18("1","3","1","5","4","2","1") = "4"
    & skf18("1","3","1","5","4","3","1") = "4"
    & skf18("1","3","1","5","4","4","1") = "4"
    & skf18("1","3","1","5","4","5","1") = "4"
    & skf18("1","3","1","5","4","6","1") = "5"
    & skf18("1","3","1","5","4","7","1") = "6"
    & skf18("1","3","1","5","4","8","1") = "7"
    & skf18("1","3","1","5","4","9","1") = "8"
    & skf18("1","3","1","5","4","10","1") = "9"
    & skf18("1","3","1","5","5","1","1") = "4"
    & skf18("1","3","1","5","5","2","1") = "4"
    & skf18("1","3","1","5","5","3","1") = "4"
    & skf18("1","3","1","5","5","4","1") = "4"
    & skf18("1","3","1","5","5","5","1") = "4"
    & skf18("1","3","1","5","5","6","1") = "5"
    & skf18("1","3","1","5","5","7","1") = "6"
    & skf18("1","3","1","5","5","8","1") = "7"
    & skf18("1","3","1","5","5","9","1") = "8"
    & skf18("1","3","1","5","5","10","1") = "9"
    & skf18("1","3","1","5","6","1","1") = "5"
    & skf18("1","3","1","5","6","2","1") = "5"
    & skf18("1","3","1","5","6","3","1") = "5"
    & skf18("1","3","1","5","6","4","1") = "5"
    & skf18("1","3","1","5","6","5","1") = "5"
    & skf18("1","3","1","5","6","6","1") = "5"
    & skf18("1","3","1","5","6","7","1") = "6"
    & skf18("1","3","1","5","6","8","1") = "7"
    & skf18("1","3","1","5","6","9","1") = "8"
    & skf18("1","3","1","5","6","10","1") = "9"
    & skf18("1","3","1","5","7","1","1") = "6"
    & skf18("1","3","1","5","7","2","1") = "6"
    & skf18("1","3","1","5","7","3","1") = "6"
    & skf18("1","3","1","5","7","4","1") = "6"
    & skf18("1","3","1","5","7","5","1") = "6"
    & skf18("1","3","1","5","7","6","1") = "6"
    & skf18("1","3","1","5","7","7","1") = "6"
    & skf18("1","3","1","5","7","8","1") = "7"
    & skf18("1","3","1","5","7","9","1") = "8"
    & skf18("1","3","1","5","7","10","1") = "9"
    & skf18("1","3","1","5","8","1","1") = "7"
    & skf18("1","3","1","5","8","2","1") = "7"
    & skf18("1","3","1","5","8","3","1") = "7"
    & skf18("1","3","1","5","8","4","1") = "7"
    & skf18("1","3","1","5","8","5","1") = "7"
    & skf18("1","3","1","5","8","6","1") = "7"
    & skf18("1","3","1","5","8","7","1") = "7"
    & skf18("1","3","1","5","8","8","1") = "7"
    & skf18("1","3","1","5","8","9","1") = "8"
    & skf18("1","3","1","5","8","10","1") = "9"
    & skf18("1","3","1","5","9","1","1") = "8"
    & skf18("1","3","1","5","9","2","1") = "8"
    & skf18("1","3","1","5","9","3","1") = "8"
    & skf18("1","3","1","5","9","4","1") = "8"
    & skf18("1","3","1","5","9","5","1") = "8"
    & skf18("1","3","1","5","9","6","1") = "8"
    & skf18("1","3","1","5","9","7","1") = "8"
    & skf18("1","3","1","5","9","8","1") = "8"
    & skf18("1","3","1","5","9","9","1") = "8"
    & skf18("1","3","1","5","9","10","1") = "9"
    & skf18("1","3","1","5","10","1","1") = "9"
    & skf18("1","3","1","5","10","2","1") = "9"
    & skf18("1","3","1","5","10","3","1") = "9"
    & skf18("1","3","1","5","10","4","1") = "9"
    & skf18("1","3","1","5","10","5","1") = "9"
    & skf18("1","3","1","5","10","6","1") = "9"
    & skf18("1","3","1","5","10","7","1") = "9"
    & skf18("1","3","1","5","10","8","1") = "9"
    & skf18("1","3","1","5","10","9","1") = "9"
    & skf18("1","3","1","5","10","10","1") = "9"
    & skf18("1","3","1","6","1","1","1") = "5"
    & skf18("1","3","1","6","1","2","1") = "5"
    & skf18("1","3","1","6","1","3","1") = "5"
    & skf18("1","3","1","6","1","4","1") = "5"
    & skf18("1","3","1","6","1","5","1") = "5"
    & skf18("1","3","1","6","1","6","1") = "5"
    & skf18("1","3","1","6","1","7","1") = "6"
    & skf18("1","3","1","6","1","8","1") = "7"
    & skf18("1","3","1","6","1","9","1") = "8"
    & skf18("1","3","1","6","1","10","1") = "9"
    & skf18("1","3","1","6","2","1","1") = "5"
    & skf18("1","3","1","6","2","2","1") = "5"
    & skf18("1","3","1","6","2","3","1") = "5"
    & skf18("1","3","1","6","2","4","1") = "5"
    & skf18("1","3","1","6","2","5","1") = "5"
    & skf18("1","3","1","6","2","6","1") = "5"
    & skf18("1","3","1","6","2","7","1") = "6"
    & skf18("1","3","1","6","2","8","1") = "7"
    & skf18("1","3","1","6","2","9","1") = "8"
    & skf18("1","3","1","6","2","10","1") = "9"
    & skf18("1","3","1","6","3","1","1") = "5"
    & skf18("1","3","1","6","3","2","1") = "5"
    & skf18("1","3","1","6","3","3","1") = "5"
    & skf18("1","3","1","6","3","4","1") = "5"
    & skf18("1","3","1","6","3","5","1") = "5"
    & skf18("1","3","1","6","3","6","1") = "5"
    & skf18("1","3","1","6","3","7","1") = "6"
    & skf18("1","3","1","6","3","8","1") = "7"
    & skf18("1","3","1","6","3","9","1") = "8"
    & skf18("1","3","1","6","3","10","1") = "9"
    & skf18("1","3","1","6","4","1","1") = "5"
    & skf18("1","3","1","6","4","2","1") = "5"
    & skf18("1","3","1","6","4","3","1") = "5"
    & skf18("1","3","1","6","4","4","1") = "5"
    & skf18("1","3","1","6","4","5","1") = "5"
    & skf18("1","3","1","6","4","6","1") = "5"
    & skf18("1","3","1","6","4","7","1") = "6"
    & skf18("1","3","1","6","4","8","1") = "7"
    & skf18("1","3","1","6","4","9","1") = "8"
    & skf18("1","3","1","6","4","10","1") = "9"
    & skf18("1","3","1","6","5","1","1") = "5"
    & skf18("1","3","1","6","5","2","1") = "5"
    & skf18("1","3","1","6","5","3","1") = "5"
    & skf18("1","3","1","6","5","4","1") = "5"
    & skf18("1","3","1","6","5","5","1") = "5"
    & skf18("1","3","1","6","5","6","1") = "5"
    & skf18("1","3","1","6","5","7","1") = "6"
    & skf18("1","3","1","6","5","8","1") = "7"
    & skf18("1","3","1","6","5","9","1") = "8"
    & skf18("1","3","1","6","5","10","1") = "9"
    & skf18("1","3","1","6","6","1","1") = "5"
    & skf18("1","3","1","6","6","2","1") = "5"
    & skf18("1","3","1","6","6","3","1") = "5"
    & skf18("1","3","1","6","6","4","1") = "5"
    & skf18("1","3","1","6","6","5","1") = "5"
    & skf18("1","3","1","6","6","6","1") = "5"
    & skf18("1","3","1","6","6","7","1") = "6"
    & skf18("1","3","1","6","6","8","1") = "7"
    & skf18("1","3","1","6","6","9","1") = "8"
    & skf18("1","3","1","6","6","10","1") = "9"
    & skf18("1","3","1","6","7","1","1") = "6"
    & skf18("1","3","1","6","7","2","1") = "6"
    & skf18("1","3","1","6","7","3","1") = "6"
    & skf18("1","3","1","6","7","4","1") = "6"
    & skf18("1","3","1","6","7","5","1") = "6"
    & skf18("1","3","1","6","7","6","1") = "6"
    & skf18("1","3","1","6","7","7","1") = "6"
    & skf18("1","3","1","6","7","8","1") = "7"
    & skf18("1","3","1","6","7","9","1") = "8"
    & skf18("1","3","1","6","7","10","1") = "9"
    & skf18("1","3","1","6","8","1","1") = "7"
    & skf18("1","3","1","6","8","2","1") = "7"
    & skf18("1","3","1","6","8","3","1") = "7"
    & skf18("1","3","1","6","8","4","1") = "7"
    & skf18("1","3","1","6","8","5","1") = "7"
    & skf18("1","3","1","6","8","6","1") = "7"
    & skf18("1","3","1","6","8","7","1") = "7"
    & skf18("1","3","1","6","8","8","1") = "7"
    & skf18("1","3","1","6","8","9","1") = "8"
    & skf18("1","3","1","6","8","10","1") = "9"
    & skf18("1","3","1","6","9","1","1") = "8"
    & skf18("1","3","1","6","9","2","1") = "8"
    & skf18("1","3","1","6","9","3","1") = "8"
    & skf18("1","3","1","6","9","4","1") = "8"
    & skf18("1","3","1","6","9","5","1") = "8"
    & skf18("1","3","1","6","9","6","1") = "8"
    & skf18("1","3","1","6","9","7","1") = "8"
    & skf18("1","3","1","6","9","8","1") = "8"
    & skf18("1","3","1","6","9","9","1") = "8"
    & skf18("1","3","1","6","9","10","1") = "9"
    & skf18("1","3","1","6","10","1","1") = "9"
    & skf18("1","3","1","6","10","2","1") = "9"
    & skf18("1","3","1","6","10","3","1") = "9"
    & skf18("1","3","1","6","10","4","1") = "9"
    & skf18("1","3","1","6","10","5","1") = "9"
    & skf18("1","3","1","6","10","6","1") = "9"
    & skf18("1","3","1","6","10","7","1") = "9"
    & skf18("1","3","1","6","10","8","1") = "9"
    & skf18("1","3","1","6","10","9","1") = "9"
    & skf18("1","3","1","6","10","10","1") = "9"
    & skf18("1","3","1","7","1","1","1") = "6"
    & skf18("1","3","1","7","1","2","1") = "6"
    & skf18("1","3","1","7","1","3","1") = "6"
    & skf18("1","3","1","7","1","4","1") = "6"
    & skf18("1","3","1","7","1","5","1") = "6"
    & skf18("1","3","1","7","1","6","1") = "6"
    & skf18("1","3","1","7","1","7","1") = "6"
    & skf18("1","3","1","7","1","8","1") = "7"
    & skf18("1","3","1","7","1","9","1") = "8"
    & skf18("1","3","1","7","1","10","1") = "9"
    & skf18("1","3","1","7","2","1","1") = "6"
    & skf18("1","3","1","7","2","2","1") = "6"
    & skf18("1","3","1","7","2","3","1") = "6"
    & skf18("1","3","1","7","2","4","1") = "6"
    & skf18("1","3","1","7","2","5","1") = "6"
    & skf18("1","3","1","7","2","6","1") = "6"
    & skf18("1","3","1","7","2","7","1") = "6"
    & skf18("1","3","1","7","2","8","1") = "7"
    & skf18("1","3","1","7","2","9","1") = "8"
    & skf18("1","3","1","7","2","10","1") = "9"
    & skf18("1","3","1","7","3","1","1") = "6"
    & skf18("1","3","1","7","3","2","1") = "6"
    & skf18("1","3","1","7","3","3","1") = "6"
    & skf18("1","3","1","7","3","4","1") = "6"
    & skf18("1","3","1","7","3","5","1") = "6"
    & skf18("1","3","1","7","3","6","1") = "6"
    & skf18("1","3","1","7","3","7","1") = "6"
    & skf18("1","3","1","7","3","8","1") = "7"
    & skf18("1","3","1","7","3","9","1") = "8"
    & skf18("1","3","1","7","3","10","1") = "9"
    & skf18("1","3","1","7","4","1","1") = "6"
    & skf18("1","3","1","7","4","2","1") = "6"
    & skf18("1","3","1","7","4","3","1") = "6"
    & skf18("1","3","1","7","4","4","1") = "6"
    & skf18("1","3","1","7","4","5","1") = "6"
    & skf18("1","3","1","7","4","6","1") = "6"
    & skf18("1","3","1","7","4","7","1") = "6"
    & skf18("1","3","1","7","4","8","1") = "7"
    & skf18("1","3","1","7","4","9","1") = "8"
    & skf18("1","3","1","7","4","10","1") = "9"
    & skf18("1","3","1","7","5","1","1") = "6"
    & skf18("1","3","1","7","5","2","1") = "6"
    & skf18("1","3","1","7","5","3","1") = "6"
    & skf18("1","3","1","7","5","4","1") = "6"
    & skf18("1","3","1","7","5","5","1") = "6"
    & skf18("1","3","1","7","5","6","1") = "6"
    & skf18("1","3","1","7","5","7","1") = "6"
    & skf18("1","3","1","7","5","8","1") = "7"
    & skf18("1","3","1","7","5","9","1") = "8"
    & skf18("1","3","1","7","5","10","1") = "9"
    & skf18("1","3","1","7","6","1","1") = "6"
    & skf18("1","3","1","7","6","2","1") = "6"
    & skf18("1","3","1","7","6","3","1") = "6"
    & skf18("1","3","1","7","6","4","1") = "6"
    & skf18("1","3","1","7","6","5","1") = "6"
    & skf18("1","3","1","7","6","6","1") = "6"
    & skf18("1","3","1","7","6","7","1") = "6"
    & skf18("1","3","1","7","6","8","1") = "7"
    & skf18("1","3","1","7","6","9","1") = "8"
    & skf18("1","3","1","7","6","10","1") = "9"
    & skf18("1","3","1","7","7","1","1") = "6"
    & skf18("1","3","1","7","7","2","1") = "6"
    & skf18("1","3","1","7","7","3","1") = "6"
    & skf18("1","3","1","7","7","4","1") = "6"
    & skf18("1","3","1","7","7","5","1") = "6"
    & skf18("1","3","1","7","7","6","1") = "6"
    & skf18("1","3","1","7","7","7","1") = "6"
    & skf18("1","3","1","7","7","8","1") = "7"
    & skf18("1","3","1","7","7","9","1") = "8"
    & skf18("1","3","1","7","7","10","1") = "9"
    & skf18("1","3","1","7","8","1","1") = "7"
    & skf18("1","3","1","7","8","2","1") = "7"
    & skf18("1","3","1","7","8","3","1") = "7"
    & skf18("1","3","1","7","8","4","1") = "7"
    & skf18("1","3","1","7","8","5","1") = "7"
    & skf18("1","3","1","7","8","6","1") = "7"
    & skf18("1","3","1","7","8","7","1") = "7"
    & skf18("1","3","1","7","8","8","1") = "7"
    & skf18("1","3","1","7","8","9","1") = "8"
    & skf18("1","3","1","7","8","10","1") = "9"
    & skf18("1","3","1","7","9","1","1") = "8"
    & skf18("1","3","1","7","9","2","1") = "8"
    & skf18("1","3","1","7","9","3","1") = "8"
    & skf18("1","3","1","7","9","4","1") = "8"
    & skf18("1","3","1","7","9","5","1") = "8"
    & skf18("1","3","1","7","9","6","1") = "8"
    & skf18("1","3","1","7","9","7","1") = "8"
    & skf18("1","3","1","7","9","8","1") = "8"
    & skf18("1","3","1","7","9","9","1") = "8"
    & skf18("1","3","1","7","9","10","1") = "9"
    & skf18("1","3","1","7","10","1","1") = "9"
    & skf18("1","3","1","7","10","2","1") = "9"
    & skf18("1","3","1","7","10","3","1") = "9"
    & skf18("1","3","1","7","10","4","1") = "9"
    & skf18("1","3","1","7","10","5","1") = "9"
    & skf18("1","3","1","7","10","6","1") = "9"
    & skf18("1","3","1","7","10","7","1") = "9"
    & skf18("1","3","1","7","10","8","1") = "9"
    & skf18("1","3","1","7","10","9","1") = "9"
    & skf18("1","3","1","7","10","10","1") = "9"
    & skf18("1","3","1","8","1","1","1") = "7"
    & skf18("1","3","1","8","1","2","1") = "7"
    & skf18("1","3","1","8","1","3","1") = "7"
    & skf18("1","3","1","8","1","4","1") = "7"
    & skf18("1","3","1","8","1","5","1") = "7"
    & skf18("1","3","1","8","1","6","1") = "7"
    & skf18("1","3","1","8","1","7","1") = "7"
    & skf18("1","3","1","8","1","8","1") = "7"
    & skf18("1","3","1","8","1","9","1") = "8"
    & skf18("1","3","1","8","1","10","1") = "9"
    & skf18("1","3","1","8","2","1","1") = "7"
    & skf18("1","3","1","8","2","2","1") = "7"
    & skf18("1","3","1","8","2","3","1") = "7"
    & skf18("1","3","1","8","2","4","1") = "7"
    & skf18("1","3","1","8","2","5","1") = "7"
    & skf18("1","3","1","8","2","6","1") = "7"
    & skf18("1","3","1","8","2","7","1") = "7"
    & skf18("1","3","1","8","2","8","1") = "7"
    & skf18("1","3","1","8","2","9","1") = "8"
    & skf18("1","3","1","8","2","10","1") = "9"
    & skf18("1","3","1","8","3","1","1") = "7"
    & skf18("1","3","1","8","3","2","1") = "7"
    & skf18("1","3","1","8","3","3","1") = "7"
    & skf18("1","3","1","8","3","4","1") = "7"
    & skf18("1","3","1","8","3","5","1") = "7"
    & skf18("1","3","1","8","3","6","1") = "7"
    & skf18("1","3","1","8","3","7","1") = "7"
    & skf18("1","3","1","8","3","8","1") = "7"
    & skf18("1","3","1","8","3","9","1") = "8"
    & skf18("1","3","1","8","3","10","1") = "9"
    & skf18("1","3","1","8","4","1","1") = "7"
    & skf18("1","3","1","8","4","2","1") = "7"
    & skf18("1","3","1","8","4","3","1") = "7"
    & skf18("1","3","1","8","4","4","1") = "7"
    & skf18("1","3","1","8","4","5","1") = "7"
    & skf18("1","3","1","8","4","6","1") = "7"
    & skf18("1","3","1","8","4","7","1") = "7"
    & skf18("1","3","1","8","4","8","1") = "7"
    & skf18("1","3","1","8","4","9","1") = "8"
    & skf18("1","3","1","8","4","10","1") = "9"
    & skf18("1","3","1","8","5","1","1") = "7"
    & skf18("1","3","1","8","5","2","1") = "7"
    & skf18("1","3","1","8","5","3","1") = "7"
    & skf18("1","3","1","8","5","4","1") = "7"
    & skf18("1","3","1","8","5","5","1") = "7"
    & skf18("1","3","1","8","5","6","1") = "7"
    & skf18("1","3","1","8","5","7","1") = "7"
    & skf18("1","3","1","8","5","8","1") = "7"
    & skf18("1","3","1","8","5","9","1") = "8"
    & skf18("1","3","1","8","5","10","1") = "9"
    & skf18("1","3","1","8","6","1","1") = "7"
    & skf18("1","3","1","8","6","2","1") = "7"
    & skf18("1","3","1","8","6","3","1") = "7"
    & skf18("1","3","1","8","6","4","1") = "7"
    & skf18("1","3","1","8","6","5","1") = "7"
    & skf18("1","3","1","8","6","6","1") = "7"
    & skf18("1","3","1","8","6","7","1") = "7"
    & skf18("1","3","1","8","6","8","1") = "7"
    & skf18("1","3","1","8","6","9","1") = "8"
    & skf18("1","3","1","8","6","10","1") = "9"
    & skf18("1","3","1","8","7","1","1") = "7"
    & skf18("1","3","1","8","7","2","1") = "7"
    & skf18("1","3","1","8","7","3","1") = "7"
    & skf18("1","3","1","8","7","4","1") = "7"
    & skf18("1","3","1","8","7","5","1") = "7"
    & skf18("1","3","1","8","7","6","1") = "7"
    & skf18("1","3","1","8","7","7","1") = "7"
    & skf18("1","3","1","8","7","8","1") = "7"
    & skf18("1","3","1","8","7","9","1") = "8"
    & skf18("1","3","1","8","7","10","1") = "9"
    & skf18("1","3","1","8","8","1","1") = "7"
    & skf18("1","3","1","8","8","2","1") = "7"
    & skf18("1","3","1","8","8","3","1") = "7"
    & skf18("1","3","1","8","8","4","1") = "7"
    & skf18("1","3","1","8","8","5","1") = "7"
    & skf18("1","3","1","8","8","6","1") = "7"
    & skf18("1","3","1","8","8","7","1") = "7"
    & skf18("1","3","1","8","8","8","1") = "7"
    & skf18("1","3","1","8","8","9","1") = "8"
    & skf18("1","3","1","8","8","10","1") = "9"
    & skf18("1","3","1","8","9","1","1") = "8"
    & skf18("1","3","1","8","9","2","1") = "8"
    & skf18("1","3","1","8","9","3","1") = "8"
    & skf18("1","3","1","8","9","4","1") = "8"
    & skf18("1","3","1","8","9","5","1") = "8"
    & skf18("1","3","1","8","9","6","1") = "8"
    & skf18("1","3","1","8","9","7","1") = "8"
    & skf18("1","3","1","8","9","8","1") = "8"
    & skf18("1","3","1","8","9","9","1") = "8"
    & skf18("1","3","1","8","9","10","1") = "9"
    & skf18("1","3","1","8","10","1","1") = "9"
    & skf18("1","3","1","8","10","2","1") = "9"
    & skf18("1","3","1","8","10","3","1") = "9"
    & skf18("1","3","1","8","10","4","1") = "9"
    & skf18("1","3","1","8","10","5","1") = "9"
    & skf18("1","3","1","8","10","6","1") = "9"
    & skf18("1","3","1","8","10","7","1") = "9"
    & skf18("1","3","1","8","10","8","1") = "9"
    & skf18("1","3","1","8","10","9","1") = "9"
    & skf18("1","3","1","8","10","10","1") = "9"
    & skf18("1","3","1","9","1","1","1") = "8"
    & skf18("1","3","1","9","1","2","1") = "8"
    & skf18("1","3","1","9","1","3","1") = "8"
    & skf18("1","3","1","9","1","4","1") = "8"
    & skf18("1","3","1","9","1","5","1") = "8"
    & skf18("1","3","1","9","1","6","1") = "8"
    & skf18("1","3","1","9","1","7","1") = "8"
    & skf18("1","3","1","9","1","8","1") = "8"
    & skf18("1","3","1","9","1","9","1") = "8"
    & skf18("1","3","1","9","1","10","1") = "9"
    & skf18("1","3","1","9","2","1","1") = "8"
    & skf18("1","3","1","9","2","2","1") = "8"
    & skf18("1","3","1","9","2","3","1") = "8"
    & skf18("1","3","1","9","2","4","1") = "8"
    & skf18("1","3","1","9","2","5","1") = "8"
    & skf18("1","3","1","9","2","6","1") = "8"
    & skf18("1","3","1","9","2","7","1") = "8"
    & skf18("1","3","1","9","2","8","1") = "8"
    & skf18("1","3","1","9","2","9","1") = "8"
    & skf18("1","3","1","9","2","10","1") = "9"
    & skf18("1","3","1","9","3","1","1") = "8"
    & skf18("1","3","1","9","3","2","1") = "8"
    & skf18("1","3","1","9","3","3","1") = "8"
    & skf18("1","3","1","9","3","4","1") = "8"
    & skf18("1","3","1","9","3","5","1") = "8"
    & skf18("1","3","1","9","3","6","1") = "8"
    & skf18("1","3","1","9","3","7","1") = "8"
    & skf18("1","3","1","9","3","8","1") = "8"
    & skf18("1","3","1","9","3","9","1") = "8"
    & skf18("1","3","1","9","3","10","1") = "9"
    & skf18("1","3","1","9","4","1","1") = "8"
    & skf18("1","3","1","9","4","2","1") = "8"
    & skf18("1","3","1","9","4","3","1") = "8"
    & skf18("1","3","1","9","4","4","1") = "8"
    & skf18("1","3","1","9","4","5","1") = "8"
    & skf18("1","3","1","9","4","6","1") = "8"
    & skf18("1","3","1","9","4","7","1") = "8"
    & skf18("1","3","1","9","4","8","1") = "8"
    & skf18("1","3","1","9","4","9","1") = "8"
    & skf18("1","3","1","9","4","10","1") = "9"
    & skf18("1","3","1","9","5","1","1") = "8"
    & skf18("1","3","1","9","5","2","1") = "8"
    & skf18("1","3","1","9","5","3","1") = "8"
    & skf18("1","3","1","9","5","4","1") = "8"
    & skf18("1","3","1","9","5","5","1") = "8"
    & skf18("1","3","1","9","5","6","1") = "8"
    & skf18("1","3","1","9","5","7","1") = "8"
    & skf18("1","3","1","9","5","8","1") = "8"
    & skf18("1","3","1","9","5","9","1") = "8"
    & skf18("1","3","1","9","5","10","1") = "9"
    & skf18("1","3","1","9","6","1","1") = "8"
    & skf18("1","3","1","9","6","2","1") = "8"
    & skf18("1","3","1","9","6","3","1") = "8"
    & skf18("1","3","1","9","6","4","1") = "8"
    & skf18("1","3","1","9","6","5","1") = "8"
    & skf18("1","3","1","9","6","6","1") = "8"
    & skf18("1","3","1","9","6","7","1") = "8"
    & skf18("1","3","1","9","6","8","1") = "8"
    & skf18("1","3","1","9","6","9","1") = "8"
    & skf18("1","3","1","9","6","10","1") = "9"
    & skf18("1","3","1","9","7","1","1") = "8"
    & skf18("1","3","1","9","7","2","1") = "8"
    & skf18("1","3","1","9","7","3","1") = "8"
    & skf18("1","3","1","9","7","4","1") = "8"
    & skf18("1","3","1","9","7","5","1") = "8"
    & skf18("1","3","1","9","7","6","1") = "8"
    & skf18("1","3","1","9","7","7","1") = "8"
    & skf18("1","3","1","9","7","8","1") = "8"
    & skf18("1","3","1","9","7","9","1") = "8"
    & skf18("1","3","1","9","7","10","1") = "9"
    & skf18("1","3","1","9","8","1","1") = "8"
    & skf18("1","3","1","9","8","2","1") = "8"
    & skf18("1","3","1","9","8","3","1") = "8"
    & skf18("1","3","1","9","8","4","1") = "8"
    & skf18("1","3","1","9","8","5","1") = "8"
    & skf18("1","3","1","9","8","6","1") = "8"
    & skf18("1","3","1","9","8","7","1") = "8"
    & skf18("1","3","1","9","8","8","1") = "8"
    & skf18("1","3","1","9","8","9","1") = "8"
    & skf18("1","3","1","9","8","10","1") = "9"
    & skf18("1","3","1","9","9","1","1") = "8"
    & skf18("1","3","1","9","9","2","1") = "8"
    & skf18("1","3","1","9","9","3","1") = "8"
    & skf18("1","3","1","9","9","4","1") = "8"
    & skf18("1","3","1","9","9","5","1") = "8"
    & skf18("1","3","1","9","9","6","1") = "8"
    & skf18("1","3","1","9","9","7","1") = "8"
    & skf18("1","3","1","9","9","8","1") = "8"
    & skf18("1","3","1","9","9","9","1") = "8"
    & skf18("1","3","1","9","9","10","1") = "9"
    & skf18("1","3","1","9","10","1","1") = "9"
    & skf18("1","3","1","9","10","2","1") = "9"
    & skf18("1","3","1","9","10","3","1") = "9"
    & skf18("1","3","1","9","10","4","1") = "9"
    & skf18("1","3","1","9","10","5","1") = "9"
    & skf18("1","3","1","9","10","6","1") = "9"
    & skf18("1","3","1","9","10","7","1") = "9"
    & skf18("1","3","1","9","10","8","1") = "9"
    & skf18("1","3","1","9","10","9","1") = "9"
    & skf18("1","3","1","9","10","10","1") = "9"
    & skf18("1","3","1","10","1","1","1") = "9"
    & skf18("1","3","1","10","1","2","1") = "9"
    & skf18("1","3","1","10","1","3","1") = "9"
    & skf18("1","3","1","10","1","4","1") = "9"
    & skf18("1","3","1","10","1","5","1") = "9"
    & skf18("1","3","1","10","1","6","1") = "9"
    & skf18("1","3","1","10","1","7","1") = "9"
    & skf18("1","3","1","10","1","8","1") = "9"
    & skf18("1","3","1","10","1","9","1") = "9"
    & skf18("1","3","1","10","1","10","1") = "9"
    & skf18("1","3","1","10","2","1","1") = "9"
    & skf18("1","3","1","10","2","2","1") = "9"
    & skf18("1","3","1","10","2","3","1") = "9"
    & skf18("1","3","1","10","2","4","1") = "9"
    & skf18("1","3","1","10","2","5","1") = "9"
    & skf18("1","3","1","10","2","6","1") = "9"
    & skf18("1","3","1","10","2","7","1") = "9"
    & skf18("1","3","1","10","2","8","1") = "9"
    & skf18("1","3","1","10","2","9","1") = "9"
    & skf18("1","3","1","10","2","10","1") = "9"
    & skf18("1","3","1","10","3","1","1") = "9"
    & skf18("1","3","1","10","3","2","1") = "9"
    & skf18("1","3","1","10","3","3","1") = "9"
    & skf18("1","3","1","10","3","4","1") = "9"
    & skf18("1","3","1","10","3","5","1") = "9"
    & skf18("1","3","1","10","3","6","1") = "9"
    & skf18("1","3","1","10","3","7","1") = "9"
    & skf18("1","3","1","10","3","8","1") = "9"
    & skf18("1","3","1","10","3","9","1") = "9"
    & skf18("1","3","1","10","3","10","1") = "9"
    & skf18("1","3","1","10","4","1","1") = "9"
    & skf18("1","3","1","10","4","2","1") = "9"
    & skf18("1","3","1","10","4","3","1") = "9"
    & skf18("1","3","1","10","4","4","1") = "9"
    & skf18("1","3","1","10","4","5","1") = "9"
    & skf18("1","3","1","10","4","6","1") = "9"
    & skf18("1","3","1","10","4","7","1") = "9"
    & skf18("1","3","1","10","4","8","1") = "9"
    & skf18("1","3","1","10","4","9","1") = "9"
    & skf18("1","3","1","10","4","10","1") = "9"
    & skf18("1","3","1","10","5","1","1") = "9"
    & skf18("1","3","1","10","5","2","1") = "9"
    & skf18("1","3","1","10","5","3","1") = "9"
    & skf18("1","3","1","10","5","4","1") = "9"
    & skf18("1","3","1","10","5","5","1") = "9"
    & skf18("1","3","1","10","5","6","1") = "9"
    & skf18("1","3","1","10","5","7","1") = "9"
    & skf18("1","3","1","10","5","8","1") = "9"
    & skf18("1","3","1","10","5","9","1") = "9"
    & skf18("1","3","1","10","5","10","1") = "9"
    & skf18("1","3","1","10","6","1","1") = "9"
    & skf18("1","3","1","10","6","2","1") = "9"
    & skf18("1","3","1","10","6","3","1") = "9"
    & skf18("1","3","1","10","6","4","1") = "9"
    & skf18("1","3","1","10","6","5","1") = "9"
    & skf18("1","3","1","10","6","6","1") = "9"
    & skf18("1","3","1","10","6","7","1") = "9"
    & skf18("1","3","1","10","6","8","1") = "9"
    & skf18("1","3","1","10","6","9","1") = "9"
    & skf18("1","3","1","10","6","10","1") = "9"
    & skf18("1","3","1","10","7","1","1") = "9"
    & skf18("1","3","1","10","7","2","1") = "9"
    & skf18("1","3","1","10","7","3","1") = "9"
    & skf18("1","3","1","10","7","4","1") = "9"
    & skf18("1","3","1","10","7","5","1") = "9"
    & skf18("1","3","1","10","7","6","1") = "9"
    & skf18("1","3","1","10","7","7","1") = "9"
    & skf18("1","3","1","10","7","8","1") = "9"
    & skf18("1","3","1","10","7","9","1") = "9"
    & skf18("1","3","1","10","7","10","1") = "9"
    & skf18("1","3","1","10","8","1","1") = "9"
    & skf18("1","3","1","10","8","2","1") = "9"
    & skf18("1","3","1","10","8","3","1") = "9"
    & skf18("1","3","1","10","8","4","1") = "9"
    & skf18("1","3","1","10","8","5","1") = "9"
    & skf18("1","3","1","10","8","6","1") = "9"
    & skf18("1","3","1","10","8","7","1") = "9"
    & skf18("1","3","1","10","8","8","1") = "9"
    & skf18("1","3","1","10","8","9","1") = "9"
    & skf18("1","3","1","10","8","10","1") = "9"
    & skf18("1","3","1","10","9","1","1") = "9"
    & skf18("1","3","1","10","9","2","1") = "9"
    & skf18("1","3","1","10","9","3","1") = "9"
    & skf18("1","3","1","10","9","4","1") = "9"
    & skf18("1","3","1","10","9","5","1") = "9"
    & skf18("1","3","1","10","9","6","1") = "9"
    & skf18("1","3","1","10","9","7","1") = "9"
    & skf18("1","3","1","10","9","8","1") = "9"
    & skf18("1","3","1","10","9","9","1") = "9"
    & skf18("1","3","1","10","9","10","1") = "9"
    & skf18("1","3","1","10","10","1","1") = "9"
    & skf18("1","3","1","10","10","2","1") = "9"
    & skf18("1","3","1","10","10","3","1") = "9"
    & skf18("1","3","1","10","10","4","1") = "9"
    & skf18("1","3","1","10","10","5","1") = "9"
    & skf18("1","3","1","10","10","6","1") = "9"
    & skf18("1","3","1","10","10","7","1") = "9"
    & skf18("1","3","1","10","10","8","1") = "9"
    & skf18("1","3","1","10","10","9","1") = "9"
    & skf18("1","3","1","10","10","10","1") = "9"
    & skf18("1","3","2","1","1","1","1") = "2"
    & skf18("1","3","2","1","1","2","1") = "2"
    & skf18("1","3","2","1","1","3","1") = "2"
    & skf18("1","3","2","1","1","4","1") = "3"
    & skf18("1","3","2","1","1","5","1") = "4"
    & skf18("1","3","2","1","1","6","1") = "5"
    & skf18("1","3","2","1","1","7","1") = "6"
    & skf18("1","3","2","1","1","8","1") = "7"
    & skf18("1","3","2","1","1","9","1") = "8"
    & skf18("1","3","2","1","1","10","1") = "9"
    & skf18("1","3","2","1","2","1","1") = "2"
    & skf18("1","3","2","1","2","2","1") = "2"
    & skf18("1","3","2","1","2","3","1") = "2"
    & skf18("1","3","2","1","2","4","1") = "3"
    & skf18("1","3","2","1","2","5","1") = "4"
    & skf18("1","3","2","1","2","6","1") = "5"
    & skf18("1","3","2","1","2","7","1") = "6"
    & skf18("1","3","2","1","2","8","1") = "7"
    & skf18("1","3","2","1","2","9","1") = "8"
    & skf18("1","3","2","1","2","10","1") = "9"
    & skf18("1","3","2","1","3","1","1") = "2"
    & skf18("1","3","2","1","3","2","1") = "2"
    & skf18("1","3","2","1","3","3","1") = "2"
    & skf18("1","3","2","1","3","4","1") = "3"
    & skf18("1","3","2","1","3","5","1") = "4"
    & skf18("1","3","2","1","3","6","1") = "5"
    & skf18("1","3","2","1","3","7","1") = "6"
    & skf18("1","3","2","1","3","8","1") = "7"
    & skf18("1","3","2","1","3","9","1") = "8"
    & skf18("1","3","2","1","3","10","1") = "9"
    & skf18("1","3","2","1","4","1","1") = "3"
    & skf18("1","3","2","1","4","2","1") = "3"
    & skf18("1","3","2","1","4","3","1") = "3"
    & skf18("1","3","2","1","4","4","1") = "3"
    & skf18("1","3","2","1","4","5","1") = "4"
    & skf18("1","3","2","1","4","6","1") = "5"
    & skf18("1","3","2","1","4","7","1") = "6"
    & skf18("1","3","2","1","4","8","1") = "7"
    & skf18("1","3","2","1","4","9","1") = "8"
    & skf18("1","3","2","1","4","10","1") = "9"
    & skf18("1","3","2","1","5","1","1") = "4"
    & skf18("1","3","2","1","5","2","1") = "4"
    & skf18("1","3","2","1","5","3","1") = "4"
    & skf18("1","3","2","1","5","4","1") = "4"
    & skf18("1","3","2","1","5","5","1") = "4"
    & skf18("1","3","2","1","5","6","1") = "5"
    & skf18("1","3","2","1","5","7","1") = "6"
    & skf18("1","3","2","1","5","8","1") = "7"
    & skf18("1","3","2","1","5","9","1") = "8"
    & skf18("1","3","2","1","5","10","1") = "9"
    & skf18("1","3","2","1","6","1","1") = "5"
    & skf18("1","3","2","1","6","2","1") = "5"
    & skf18("1","3","2","1","6","3","1") = "5"
    & skf18("1","3","2","1","6","4","1") = "5"
    & skf18("1","3","2","1","6","5","1") = "5"
    & skf18("1","3","2","1","6","6","1") = "5"
    & skf18("1","3","2","1","6","7","1") = "6"
    & skf18("1","3","2","1","6","8","1") = "7"
    & skf18("1","3","2","1","6","9","1") = "8"
    & skf18("1","3","2","1","6","10","1") = "9"
    & skf18("1","3","2","1","7","1","1") = "6"
    & skf18("1","3","2","1","7","2","1") = "6"
    & skf18("1","3","2","1","7","3","1") = "6"
    & skf18("1","3","2","1","7","4","1") = "6"
    & skf18("1","3","2","1","7","5","1") = "6"
    & skf18("1","3","2","1","7","6","1") = "6"
    & skf18("1","3","2","1","7","7","1") = "6"
    & skf18("1","3","2","1","7","8","1") = "7"
    & skf18("1","3","2","1","7","9","1") = "8"
    & skf18("1","3","2","1","7","10","1") = "9"
    & skf18("1","3","2","1","8","1","1") = "7"
    & skf18("1","3","2","1","8","2","1") = "7"
    & skf18("1","3","2","1","8","3","1") = "7"
    & skf18("1","3","2","1","8","4","1") = "7"
    & skf18("1","3","2","1","8","5","1") = "7"
    & skf18("1","3","2","1","8","6","1") = "7"
    & skf18("1","3","2","1","8","7","1") = "7"
    & skf18("1","3","2","1","8","8","1") = "7"
    & skf18("1","3","2","1","8","9","1") = "8"
    & skf18("1","3","2","1","8","10","1") = "9"
    & skf18("1","3","2","1","9","1","1") = "8"
    & skf18("1","3","2","1","9","2","1") = "8"
    & skf18("1","3","2","1","9","3","1") = "8"
    & skf18("1","3","2","1","9","4","1") = "8"
    & skf18("1","3","2","1","9","5","1") = "8"
    & skf18("1","3","2","1","9","6","1") = "8"
    & skf18("1","3","2","1","9","7","1") = "8"
    & skf18("1","3","2","1","9","8","1") = "8"
    & skf18("1","3","2","1","9","9","1") = "8"
    & skf18("1","3","2","1","9","10","1") = "9"
    & skf18("1","3","2","1","10","1","1") = "9"
    & skf18("1","3","2","1","10","2","1") = "9"
    & skf18("1","3","2","1","10","3","1") = "9"
    & skf18("1","3","2","1","10","4","1") = "9"
    & skf18("1","3","2","1","10","5","1") = "9"
    & skf18("1","3","2","1","10","6","1") = "9"
    & skf18("1","3","2","1","10","7","1") = "9"
    & skf18("1","3","2","1","10","8","1") = "9"
    & skf18("1","3","2","1","10","9","1") = "9"
    & skf18("1","3","2","1","10","10","1") = "9"
    & skf18("1","3","2","2","1","1","1") = "2"
    & skf18("1","3","2","2","1","2","1") = "2"
    & skf18("1","3","2","2","1","3","1") = "2"
    & skf18("1","3","2","2","1","4","1") = "3"
    & skf18("1","3","2","2","1","5","1") = "4"
    & skf18("1","3","2","2","1","6","1") = "5"
    & skf18("1","3","2","2","1","7","1") = "6"
    & skf18("1","3","2","2","1","8","1") = "7"
    & skf18("1","3","2","2","1","9","1") = "8"
    & skf18("1","3","2","2","1","10","1") = "9"
    & skf18("1","3","2","2","2","1","1") = "1"
    & skf18("1","3","2","2","2","2","1") = "2"
    & skf18("1","3","2","2","2","3","1") = "2"
    & skf18("1","3","2","2","2","4","1") = "3"
    & skf18("1","3","2","2","2","5","1") = "4"
    & skf18("1","3","2","2","2","6","1") = "5"
    & skf18("1","3","2","2","2","7","1") = "6"
    & skf18("1","3","2","2","2","8","1") = "7"
    & skf18("1","3","2","2","2","9","1") = "8"
    & skf18("1","3","2","2","2","10","1") = "9"
    & skf18("1","3","2","2","3","1","1") = "2"
    & skf18("1","3","2","2","3","2","1") = "2"
    & skf18("1","3","2","2","3","3","1") = "2"
    & skf18("1","3","2","2","3","4","1") = "3"
    & skf18("1","3","2","2","3","5","1") = "4"
    & skf18("1","3","2","2","3","6","1") = "5"
    & skf18("1","3","2","2","3","7","1") = "6"
    & skf18("1","3","2","2","3","8","1") = "7"
    & skf18("1","3","2","2","3","9","1") = "8"
    & skf18("1","3","2","2","3","10","1") = "9"
    & skf18("1","3","2","2","4","1","1") = "3"
    & skf18("1","3","2","2","4","2","1") = "3"
    & skf18("1","3","2","2","4","3","1") = "3"
    & skf18("1","3","2","2","4","4","1") = "3"
    & skf18("1","3","2","2","4","5","1") = "4"
    & skf18("1","3","2","2","4","6","1") = "5"
    & skf18("1","3","2","2","4","7","1") = "6"
    & skf18("1","3","2","2","4","8","1") = "7"
    & skf18("1","3","2","2","4","9","1") = "8"
    & skf18("1","3","2","2","4","10","1") = "9"
    & skf18("1","3","2","2","5","1","1") = "4"
    & skf18("1","3","2","2","5","2","1") = "4"
    & skf18("1","3","2","2","5","3","1") = "4"
    & skf18("1","3","2","2","5","4","1") = "4"
    & skf18("1","3","2","2","5","5","1") = "4"
    & skf18("1","3","2","2","5","6","1") = "5"
    & skf18("1","3","2","2","5","7","1") = "6"
    & skf18("1","3","2","2","5","8","1") = "7"
    & skf18("1","3","2","2","5","9","1") = "8"
    & skf18("1","3","2","2","5","10","1") = "9"
    & skf18("1","3","2","2","6","1","1") = "5"
    & skf18("1","3","2","2","6","2","1") = "5"
    & skf18("1","3","2","2","6","3","1") = "5"
    & skf18("1","3","2","2","6","4","1") = "5"
    & skf18("1","3","2","2","6","5","1") = "5"
    & skf18("1","3","2","2","6","6","1") = "5"
    & skf18("1","3","2","2","6","7","1") = "6"
    & skf18("1","3","2","2","6","8","1") = "7"
    & skf18("1","3","2","2","6","9","1") = "8"
    & skf18("1","3","2","2","6","10","1") = "9"
    & skf18("1","3","2","2","7","1","1") = "6"
    & skf18("1","3","2","2","7","2","1") = "6"
    & skf18("1","3","2","2","7","3","1") = "6"
    & skf18("1","3","2","2","7","4","1") = "6"
    & skf18("1","3","2","2","7","5","1") = "6"
    & skf18("1","3","2","2","7","6","1") = "6"
    & skf18("1","3","2","2","7","7","1") = "6"
    & skf18("1","3","2","2","7","8","1") = "7"
    & skf18("1","3","2","2","7","9","1") = "8"
    & skf18("1","3","2","2","7","10","1") = "9"
    & skf18("1","3","2","2","8","1","1") = "7"
    & skf18("1","3","2","2","8","2","1") = "7"
    & skf18("1","3","2","2","8","3","1") = "7"
    & skf18("1","3","2","2","8","4","1") = "7"
    & skf18("1","3","2","2","8","5","1") = "7"
    & skf18("1","3","2","2","8","6","1") = "7"
    & skf18("1","3","2","2","8","7","1") = "7"
    & skf18("1","3","2","2","8","8","1") = "7"
    & skf18("1","3","2","2","8","9","1") = "8"
    & skf18("1","3","2","2","8","10","1") = "9"
    & skf18("1","3","2","2","9","1","1") = "8"
    & skf18("1","3","2","2","9","2","1") = "8"
    & skf18("1","3","2","2","9","3","1") = "8"
    & skf18("1","3","2","2","9","4","1") = "8"
    & skf18("1","3","2","2","9","5","1") = "8"
    & skf18("1","3","2","2","9","6","1") = "8"
    & skf18("1","3","2","2","9","7","1") = "8"
    & skf18("1","3","2","2","9","8","1") = "8"
    & skf18("1","3","2","2","9","9","1") = "8"
    & skf18("1","3","2","2","9","10","1") = "9"
    & skf18("1","3","2","2","10","1","1") = "9"
    & skf18("1","3","2","2","10","2","1") = "9"
    & skf18("1","3","2","2","10","3","1") = "9"
    & skf18("1","3","2","2","10","4","1") = "9"
    & skf18("1","3","2","2","10","5","1") = "9"
    & skf18("1","3","2","2","10","6","1") = "9"
    & skf18("1","3","2","2","10","7","1") = "9"
    & skf18("1","3","2","2","10","8","1") = "9"
    & skf18("1","3","2","2","10","9","1") = "9"
    & skf18("1","3","2","2","10","10","1") = "9"
    & skf18("1","3","2","3","1","1","1") = "2"
    & skf18("1","3","2","3","1","2","1") = "2"
    & skf18("1","3","2","3","1","3","1") = "2"
    & skf18("1","3","2","3","1","4","1") = "3"
    & skf18("1","3","2","3","1","5","1") = "4"
    & skf18("1","3","2","3","1","6","1") = "5"
    & skf18("1","3","2","3","1","7","1") = "6"
    & skf18("1","3","2","3","1","8","1") = "7"
    & skf18("1","3","2","3","1","9","1") = "8"
    & skf18("1","3","2","3","1","10","1") = "9"
    & skf18("1","3","2","3","2","1","1") = "2"
    & skf18("1","3","2","3","2","2","1") = "2"
    & skf18("1","3","2","3","2","3","1") = "2"
    & skf18("1","3","2","3","2","4","1") = "3"
    & skf18("1","3","2","3","2","5","1") = "4"
    & skf18("1","3","2","3","2","6","1") = "5"
    & skf18("1","3","2","3","2","7","1") = "6"
    & skf18("1","3","2","3","2","8","1") = "7"
    & skf18("1","3","2","3","2","9","1") = "8"
    & skf18("1","3","2","3","2","10","1") = "9"
    & skf18("1","3","2","3","3","1","1") = "2"
    & skf18("1","3","2","3","3","2","1") = "2"
    & skf18("1","3","2","3","3","3","1") = "2"
    & skf18("1","3","2","3","3","4","1") = "3"
    & skf18("1","3","2","3","3","5","1") = "4"
    & skf18("1","3","2","3","3","6","1") = "5"
    & skf18("1","3","2","3","3","7","1") = "6"
    & skf18("1","3","2","3","3","8","1") = "7"
    & skf18("1","3","2","3","3","9","1") = "8"
    & skf18("1","3","2","3","3","10","1") = "9"
    & skf18("1","3","2","3","4","1","1") = "3"
    & skf18("1","3","2","3","4","2","1") = "3"
    & skf18("1","3","2","3","4","3","1") = "3"
    & skf18("1","3","2","3","4","4","1") = "3"
    & skf18("1","3","2","3","4","5","1") = "4"
    & skf18("1","3","2","3","4","6","1") = "5"
    & skf18("1","3","2","3","4","7","1") = "6"
    & skf18("1","3","2","3","4","8","1") = "7"
    & skf18("1","3","2","3","4","9","1") = "8"
    & skf18("1","3","2","3","4","10","1") = "9"
    & skf18("1","3","2","3","5","1","1") = "4"
    & skf18("1","3","2","3","5","2","1") = "4"
    & skf18("1","3","2","3","5","3","1") = "4"
    & skf18("1","3","2","3","5","4","1") = "4"
    & skf18("1","3","2","3","5","5","1") = "4"
    & skf18("1","3","2","3","5","6","1") = "5"
    & skf18("1","3","2","3","5","7","1") = "6"
    & skf18("1","3","2","3","5","8","1") = "7"
    & skf18("1","3","2","3","5","9","1") = "8"
    & skf18("1","3","2","3","5","10","1") = "9"
    & skf18("1","3","2","3","6","1","1") = "5"
    & skf18("1","3","2","3","6","2","1") = "5"
    & skf18("1","3","2","3","6","3","1") = "5"
    & skf18("1","3","2","3","6","4","1") = "5"
    & skf18("1","3","2","3","6","5","1") = "5"
    & skf18("1","3","2","3","6","6","1") = "5"
    & skf18("1","3","2","3","6","7","1") = "6"
    & skf18("1","3","2","3","6","8","1") = "7"
    & skf18("1","3","2","3","6","9","1") = "8"
    & skf18("1","3","2","3","6","10","1") = "9"
    & skf18("1","3","2","3","7","1","1") = "6"
    & skf18("1","3","2","3","7","2","1") = "6"
    & skf18("1","3","2","3","7","3","1") = "6"
    & skf18("1","3","2","3","7","4","1") = "6"
    & skf18("1","3","2","3","7","5","1") = "6"
    & skf18("1","3","2","3","7","6","1") = "6"
    & skf18("1","3","2","3","7","7","1") = "6"
    & skf18("1","3","2","3","7","8","1") = "7"
    & skf18("1","3","2","3","7","9","1") = "8"
    & skf18("1","3","2","3","7","10","1") = "9"
    & skf18("1","3","2","3","8","1","1") = "7"
    & skf18("1","3","2","3","8","2","1") = "7"
    & skf18("1","3","2","3","8","3","1") = "7"
    & skf18("1","3","2","3","8","4","1") = "7"
    & skf18("1","3","2","3","8","5","1") = "7"
    & skf18("1","3","2","3","8","6","1") = "7"
    & skf18("1","3","2","3","8","7","1") = "7"
    & skf18("1","3","2","3","8","8","1") = "7"
    & skf18("1","3","2","3","8","9","1") = "8"
    & skf18("1","3","2","3","8","10","1") = "9"
    & skf18("1","3","2","3","9","1","1") = "8"
    & skf18("1","3","2","3","9","2","1") = "8"
    & skf18("1","3","2","3","9","3","1") = "8"
    & skf18("1","3","2","3","9","4","1") = "8"
    & skf18("1","3","2","3","9","5","1") = "8"
    & skf18("1","3","2","3","9","6","1") = "8"
    & skf18("1","3","2","3","9","7","1") = "8"
    & skf18("1","3","2","3","9","8","1") = "8"
    & skf18("1","3","2","3","9","9","1") = "8"
    & skf18("1","3","2","3","9","10","1") = "9"
    & skf18("1","3","2","3","10","1","1") = "9"
    & skf18("1","3","2","3","10","2","1") = "9"
    & skf18("1","3","2","3","10","3","1") = "9"
    & skf18("1","3","2","3","10","4","1") = "9"
    & skf18("1","3","2","3","10","5","1") = "9"
    & skf18("1","3","2","3","10","6","1") = "9"
    & skf18("1","3","2","3","10","7","1") = "9"
    & skf18("1","3","2","3","10","8","1") = "9"
    & skf18("1","3","2","3","10","9","1") = "9"
    & skf18("1","3","2","3","10","10","1") = "9"
    & skf18("1","3","2","4","1","1","1") = "3"
    & skf18("1","3","2","4","1","2","1") = "3"
    & skf18("1","3","2","4","1","3","1") = "3"
    & skf18("1","3","2","4","1","4","1") = "3"
    & skf18("1","3","2","4","1","5","1") = "4"
    & skf18("1","3","2","4","1","6","1") = "5"
    & skf18("1","3","2","4","1","7","1") = "6"
    & skf18("1","3","2","4","1","8","1") = "7"
    & skf18("1","3","2","4","1","9","1") = "8"
    & skf18("1","3","2","4","1","10","1") = "9"
    & skf18("1","3","2","4","2","1","1") = "3"
    & skf18("1","3","2","4","2","2","1") = "3"
    & skf18("1","3","2","4","2","3","1") = "3"
    & skf18("1","3","2","4","2","4","1") = "3"
    & skf18("1","3","2","4","2","5","1") = "4"
    & skf18("1","3","2","4","2","6","1") = "5"
    & skf18("1","3","2","4","2","7","1") = "6"
    & skf18("1","3","2","4","2","8","1") = "7"
    & skf18("1","3","2","4","2","9","1") = "8"
    & skf18("1","3","2","4","2","10","1") = "9"
    & skf18("1","3","2","4","3","1","1") = "3"
    & skf18("1","3","2","4","3","2","1") = "3"
    & skf18("1","3","2","4","3","3","1") = "3"
    & skf18("1","3","2","4","3","4","1") = "3"
    & skf18("1","3","2","4","3","5","1") = "4"
    & skf18("1","3","2","4","3","6","1") = "5"
    & skf18("1","3","2","4","3","7","1") = "6"
    & skf18("1","3","2","4","3","8","1") = "7"
    & skf18("1","3","2","4","3","9","1") = "8"
    & skf18("1","3","2","4","3","10","1") = "9"
    & skf18("1","3","2","4","4","1","1") = "3"
    & skf18("1","3","2","4","4","2","1") = "3"
    & skf18("1","3","2","4","4","3","1") = "3"
    & skf18("1","3","2","4","4","4","1") = "3"
    & skf18("1","3","2","4","4","5","1") = "4"
    & skf18("1","3","2","4","4","6","1") = "5"
    & skf18("1","3","2","4","4","7","1") = "6"
    & skf18("1","3","2","4","4","8","1") = "7"
    & skf18("1","3","2","4","4","9","1") = "8"
    & skf18("1","3","2","4","4","10","1") = "9"
    & skf18("1","3","2","4","5","1","1") = "4"
    & skf18("1","3","2","4","5","2","1") = "4"
    & skf18("1","3","2","4","5","3","1") = "4"
    & skf18("1","3","2","4","5","4","1") = "4"
    & skf18("1","3","2","4","5","5","1") = "4"
    & skf18("1","3","2","4","5","6","1") = "5"
    & skf18("1","3","2","4","5","7","1") = "6"
    & skf18("1","3","2","4","5","8","1") = "7"
    & skf18("1","3","2","4","5","9","1") = "8"
    & skf18("1","3","2","4","5","10","1") = "9"
    & skf18("1","3","2","4","6","1","1") = "5"
    & skf18("1","3","2","4","6","2","1") = "5"
    & skf18("1","3","2","4","6","3","1") = "5"
    & skf18("1","3","2","4","6","4","1") = "5"
    & skf18("1","3","2","4","6","5","1") = "5"
    & skf18("1","3","2","4","6","6","1") = "5"
    & skf18("1","3","2","4","6","7","1") = "6"
    & skf18("1","3","2","4","6","8","1") = "7"
    & skf18("1","3","2","4","6","9","1") = "8"
    & skf18("1","3","2","4","6","10","1") = "9"
    & skf18("1","3","2","4","7","1","1") = "6"
    & skf18("1","3","2","4","7","2","1") = "6"
    & skf18("1","3","2","4","7","3","1") = "6"
    & skf18("1","3","2","4","7","4","1") = "6"
    & skf18("1","3","2","4","7","5","1") = "6"
    & skf18("1","3","2","4","7","6","1") = "6"
    & skf18("1","3","2","4","7","7","1") = "6"
    & skf18("1","3","2","4","7","8","1") = "7"
    & skf18("1","3","2","4","7","9","1") = "8"
    & skf18("1","3","2","4","7","10","1") = "9"
    & skf18("1","3","2","4","8","1","1") = "7"
    & skf18("1","3","2","4","8","2","1") = "7"
    & skf18("1","3","2","4","8","3","1") = "7"
    & skf18("1","3","2","4","8","4","1") = "7"
    & skf18("1","3","2","4","8","5","1") = "7"
    & skf18("1","3","2","4","8","6","1") = "7"
    & skf18("1","3","2","4","8","7","1") = "7"
    & skf18("1","3","2","4","8","8","1") = "7"
    & skf18("1","3","2","4","8","9","1") = "8"
    & skf18("1","3","2","4","8","10","1") = "9"
    & skf18("1","3","2","4","9","1","1") = "8"
    & skf18("1","3","2","4","9","2","1") = "8"
    & skf18("1","3","2","4","9","3","1") = "8"
    & skf18("1","3","2","4","9","4","1") = "8"
    & skf18("1","3","2","4","9","5","1") = "8"
    & skf18("1","3","2","4","9","6","1") = "8"
    & skf18("1","3","2","4","9","7","1") = "8"
    & skf18("1","3","2","4","9","8","1") = "8"
    & skf18("1","3","2","4","9","9","1") = "8"
    & skf18("1","3","2","4","9","10","1") = "9"
    & skf18("1","3","2","4","10","1","1") = "9"
    & skf18("1","3","2","4","10","2","1") = "9"
    & skf18("1","3","2","4","10","3","1") = "9"
    & skf18("1","3","2","4","10","4","1") = "9"
    & skf18("1","3","2","4","10","5","1") = "9"
    & skf18("1","3","2","4","10","6","1") = "9"
    & skf18("1","3","2","4","10","7","1") = "9"
    & skf18("1","3","2","4","10","8","1") = "9"
    & skf18("1","3","2","4","10","9","1") = "9"
    & skf18("1","3","2","4","10","10","1") = "9"
    & skf18("1","3","2","5","1","1","1") = "4"
    & skf18("1","3","2","5","1","2","1") = "4"
    & skf18("1","3","2","5","1","3","1") = "4"
    & skf18("1","3","2","5","1","4","1") = "4"
    & skf18("1","3","2","5","1","5","1") = "4"
    & skf18("1","3","2","5","1","6","1") = "5"
    & skf18("1","3","2","5","1","7","1") = "6"
    & skf18("1","3","2","5","1","8","1") = "7"
    & skf18("1","3","2","5","1","9","1") = "8"
    & skf18("1","3","2","5","1","10","1") = "9"
    & skf18("1","3","2","5","2","1","1") = "4"
    & skf18("1","3","2","5","2","2","1") = "4"
    & skf18("1","3","2","5","2","3","1") = "4"
    & skf18("1","3","2","5","2","4","1") = "4"
    & skf18("1","3","2","5","2","5","1") = "4"
    & skf18("1","3","2","5","2","6","1") = "5"
    & skf18("1","3","2","5","2","7","1") = "6"
    & skf18("1","3","2","5","2","8","1") = "7"
    & skf18("1","3","2","5","2","9","1") = "8"
    & skf18("1","3","2","5","2","10","1") = "9"
    & skf18("1","3","2","5","3","1","1") = "4"
    & skf18("1","3","2","5","3","2","1") = "4"
    & skf18("1","3","2","5","3","3","1") = "4"
    & skf18("1","3","2","5","3","4","1") = "2"
    & skf18("1","3","2","5","3","5","1") = "4"
    & skf18("1","3","2","5","3","6","1") = "5"
    & skf18("1","3","2","5","3","7","1") = "6"
    & skf18("1","3","2","5","3","8","1") = "7"
    & skf18("1","3","2","5","3","9","1") = "8"
    & skf18("1","3","2","5","3","10","1") = "9"
    & skf18("1","3","2","5","4","1","1") = "4"
    & skf18("1","3","2","5","4","2","1") = "4"
    & skf18("1","3","2","5","4","3","1") = "4"
    & skf18("1","3","2","5","4","4","1") = "4"
    & skf18("1","3","2","5","4","5","1") = "4"
    & skf18("1","3","2","5","4","6","1") = "5"
    & skf18("1","3","2","5","4","7","1") = "6"
    & skf18("1","3","2","5","4","8","1") = "7"
    & skf18("1","3","2","5","4","9","1") = "8"
    & skf18("1","3","2","5","4","10","1") = "9"
    & skf18("1","3","2","5","5","1","1") = "4"
    & skf18("1","3","2","5","5","2","1") = "4"
    & skf18("1","3","2","5","5","3","1") = "4"
    & skf18("1","3","2","5","5","4","1") = "4"
    & skf18("1","3","2","5","5","5","1") = "4"
    & skf18("1","3","2","5","5","6","1") = "5"
    & skf18("1","3","2","5","5","7","1") = "6"
    & skf18("1","3","2","5","5","8","1") = "7"
    & skf18("1","3","2","5","5","9","1") = "8"
    & skf18("1","3","2","5","5","10","1") = "9"
    & skf18("1","3","2","5","6","1","1") = "5"
    & skf18("1","3","2","5","6","2","1") = "5"
    & skf18("1","3","2","5","6","3","1") = "5"
    & skf18("1","3","2","5","6","4","1") = "5"
    & skf18("1","3","2","5","6","5","1") = "5"
    & skf18("1","3","2","5","6","6","1") = "5"
    & skf18("1","3","2","5","6","7","1") = "6"
    & skf18("1","3","2","5","6","8","1") = "7"
    & skf18("1","3","2","5","6","9","1") = "8"
    & skf18("1","3","2","5","6","10","1") = "9"
    & skf18("1","3","2","5","7","1","1") = "6"
    & skf18("1","3","2","5","7","2","1") = "6"
    & skf18("1","3","2","5","7","3","1") = "6"
    & skf18("1","3","2","5","7","4","1") = "6"
    & skf18("1","3","2","5","7","5","1") = "6"
    & skf18("1","3","2","5","7","6","1") = "6"
    & skf18("1","3","2","5","7","7","1") = "6"
    & skf18("1","3","2","5","7","8","1") = "7"
    & skf18("1","3","2","5","7","9","1") = "8"
    & skf18("1","3","2","5","7","10","1") = "9"
    & skf18("1","3","2","5","8","1","1") = "7"
    & skf18("1","3","2","5","8","2","1") = "7"
    & skf18("1","3","2","5","8","3","1") = "7"
    & skf18("1","3","2","5","8","4","1") = "7"
    & skf18("1","3","2","5","8","5","1") = "7"
    & skf18("1","3","2","5","8","6","1") = "7"
    & skf18("1","3","2","5","8","7","1") = "7"
    & skf18("1","3","2","5","8","8","1") = "7"
    & skf18("1","3","2","5","8","9","1") = "8"
    & skf18("1","3","2","5","8","10","1") = "9"
    & skf18("1","3","2","5","9","1","1") = "8"
    & skf18("1","3","2","5","9","2","1") = "8"
    & skf18("1","3","2","5","9","3","1") = "8"
    & skf18("1","3","2","5","9","4","1") = "8"
    & skf18("1","3","2","5","9","5","1") = "8"
    & skf18("1","3","2","5","9","6","1") = "8"
    & skf18("1","3","2","5","9","7","1") = "8"
    & skf18("1","3","2","5","9","8","1") = "8"
    & skf18("1","3","2","5","9","9","1") = "8"
    & skf18("1","3","2","5","9","10","1") = "9"
    & skf18("1","3","2","5","10","1","1") = "9"
    & skf18("1","3","2","5","10","2","1") = "9"
    & skf18("1","3","2","5","10","3","1") = "9"
    & skf18("1","3","2","5","10","4","1") = "9"
    & skf18("1","3","2","5","10","5","1") = "9"
    & skf18("1","3","2","5","10","6","1") = "9"
    & skf18("1","3","2","5","10","7","1") = "9"
    & skf18("1","3","2","5","10","8","1") = "9"
    & skf18("1","3","2","5","10","9","1") = "9"
    & skf18("1","3","2","5","10","10","1") = "9"
    & skf18("1","3","2","6","1","1","1") = "5"
    & skf18("1","3","2","6","1","2","1") = "5"
    & skf18("1","3","2","6","1","3","1") = "5"
    & skf18("1","3","2","6","1","4","1") = "5"
    & skf18("1","3","2","6","1","5","1") = "5"
    & skf18("1","3","2","6","1","6","1") = "5"
    & skf18("1","3","2","6","1","7","1") = "6"
    & skf18("1","3","2","6","1","8","1") = "7"
    & skf18("1","3","2","6","1","9","1") = "8"
    & skf18("1","3","2","6","1","10","1") = "9"
    & skf18("1","3","2","6","2","1","1") = "5"
    & skf18("1","3","2","6","2","2","1") = "5"
    & skf18("1","3","2","6","2","3","1") = "5"
    & skf18("1","3","2","6","2","4","1") = "5"
    & skf18("1","3","2","6","2","5","1") = "5"
    & skf18("1","3","2","6","2","6","1") = "5"
    & skf18("1","3","2","6","2","7","1") = "6"
    & skf18("1","3","2","6","2","8","1") = "7"
    & skf18("1","3","2","6","2","9","1") = "8"
    & skf18("1","3","2","6","2","10","1") = "9"
    & skf18("1","3","2","6","3","1","1") = "5"
    & skf18("1","3","2","6","3","2","1") = "5"
    & skf18("1","3","2","6","3","3","1") = "5"
    & skf18("1","3","2","6","3","4","1") = "5"
    & skf18("1","3","2","6","3","5","1") = "5"
    & skf18("1","3","2","6","3","6","1") = "5"
    & skf18("1","3","2","6","3","7","1") = "6"
    & skf18("1","3","2","6","3","8","1") = "7"
    & skf18("1","3","2","6","3","9","1") = "8"
    & skf18("1","3","2","6","3","10","1") = "9"
    & skf18("1","3","2","6","4","1","1") = "5"
    & skf18("1","3","2","6","4","2","1") = "5"
    & skf18("1","3","2","6","4","3","1") = "5"
    & skf18("1","3","2","6","4","4","1") = "5"
    & skf18("1","3","2","6","4","5","1") = "5"
    & skf18("1","3","2","6","4","6","1") = "5"
    & skf18("1","3","2","6","4","7","1") = "6"
    & skf18("1","3","2","6","4","8","1") = "7"
    & skf18("1","3","2","6","4","9","1") = "8"
    & skf18("1","3","2","6","4","10","1") = "9"
    & skf18("1","3","2","6","5","1","1") = "5"
    & skf18("1","3","2","6","5","2","1") = "5"
    & skf18("1","3","2","6","5","3","1") = "5"
    & skf18("1","3","2","6","5","4","1") = "5"
    & skf18("1","3","2","6","5","5","1") = "5"
    & skf18("1","3","2","6","5","6","1") = "5"
    & skf18("1","3","2","6","5","7","1") = "6"
    & skf18("1","3","2","6","5","8","1") = "7"
    & skf18("1","3","2","6","5","9","1") = "8"
    & skf18("1","3","2","6","5","10","1") = "9"
    & skf18("1","3","2","6","6","1","1") = "5"
    & skf18("1","3","2","6","6","2","1") = "5"
    & skf18("1","3","2","6","6","3","1") = "5"
    & skf18("1","3","2","6","6","4","1") = "5"
    & skf18("1","3","2","6","6","5","1") = "5"
    & skf18("1","3","2","6","6","6","1") = "5"
    & skf18("1","3","2","6","6","7","1") = "6"
    & skf18("1","3","2","6","6","8","1") = "7"
    & skf18("1","3","2","6","6","9","1") = "8"
    & skf18("1","3","2","6","6","10","1") = "9"
    & skf18("1","3","2","6","7","1","1") = "6"
    & skf18("1","3","2","6","7","2","1") = "6"
    & skf18("1","3","2","6","7","3","1") = "6"
    & skf18("1","3","2","6","7","4","1") = "6"
    & skf18("1","3","2","6","7","5","1") = "6"
    & skf18("1","3","2","6","7","6","1") = "6"
    & skf18("1","3","2","6","7","7","1") = "6"
    & skf18("1","3","2","6","7","8","1") = "7"
    & skf18("1","3","2","6","7","9","1") = "8"
    & skf18("1","3","2","6","7","10","1") = "9"
    & skf18("1","3","2","6","8","1","1") = "7"
    & skf18("1","3","2","6","8","2","1") = "7"
    & skf18("1","3","2","6","8","3","1") = "7"
    & skf18("1","3","2","6","8","4","1") = "7"
    & skf18("1","3","2","6","8","5","1") = "7"
    & skf18("1","3","2","6","8","6","1") = "7"
    & skf18("1","3","2","6","8","7","1") = "7"
    & skf18("1","3","2","6","8","8","1") = "7"
    & skf18("1","3","2","6","8","9","1") = "8"
    & skf18("1","3","2","6","8","10","1") = "9"
    & skf18("1","3","2","6","9","1","1") = "8"
    & skf18("1","3","2","6","9","2","1") = "8"
    & skf18("1","3","2","6","9","3","1") = "8"
    & skf18("1","3","2","6","9","4","1") = "8"
    & skf18("1","3","2","6","9","5","1") = "8"
    & skf18("1","3","2","6","9","6","1") = "8"
    & skf18("1","3","2","6","9","7","1") = "8"
    & skf18("1","3","2","6","9","8","1") = "8"
    & skf18("1","3","2","6","9","9","1") = "8"
    & skf18("1","3","2","6","9","10","1") = "9"
    & skf18("1","3","2","6","10","1","1") = "9"
    & skf18("1","3","2","6","10","2","1") = "9"
    & skf18("1","3","2","6","10","3","1") = "9"
    & skf18("1","3","2","6","10","4","1") = "9"
    & skf18("1","3","2","6","10","5","1") = "9"
    & skf18("1","3","2","6","10","6","1") = "9"
    & skf18("1","3","2","6","10","7","1") = "9"
    & skf18("1","3","2","6","10","8","1") = "9"
    & skf18("1","3","2","6","10","9","1") = "9"
    & skf18("1","3","2","6","10","10","1") = "9"
    & skf18("1","3","2","7","1","1","1") = "6"
    & skf18("1","3","2","7","1","2","1") = "6"
    & skf18("1","3","2","7","1","3","1") = "6"
    & skf18("1","3","2","7","1","4","1") = "6"
    & skf18("1","3","2","7","1","5","1") = "6"
    & skf18("1","3","2","7","1","6","1") = "6"
    & skf18("1","3","2","7","1","7","1") = "6"
    & skf18("1","3","2","7","1","8","1") = "7"
    & skf18("1","3","2","7","1","9","1") = "8"
    & skf18("1","3","2","7","1","10","1") = "9"
    & skf18("1","3","2","7","2","1","1") = "6"
    & skf18("1","3","2","7","2","2","1") = "6"
    & skf18("1","3","2","7","2","3","1") = "6"
    & skf18("1","3","2","7","2","4","1") = "6"
    & skf18("1","3","2","7","2","5","1") = "6"
    & skf18("1","3","2","7","2","6","1") = "6"
    & skf18("1","3","2","7","2","7","1") = "6"
    & skf18("1","3","2","7","2","8","1") = "7"
    & skf18("1","3","2","7","2","9","1") = "8"
    & skf18("1","3","2","7","2","10","1") = "9"
    & skf18("1","3","2","7","3","1","1") = "6"
    & skf18("1","3","2","7","3","2","1") = "6"
    & skf18("1","3","2","7","3","3","1") = "6"
    & skf18("1","3","2","7","3","4","1") = "6"
    & skf18("1","3","2","7","3","5","1") = "6"
    & skf18("1","3","2","7","3","6","1") = "6"
    & skf18("1","3","2","7","3","7","1") = "6"
    & skf18("1","3","2","7","3","8","1") = "7"
    & skf18("1","3","2","7","3","9","1") = "8"
    & skf18("1","3","2","7","3","10","1") = "9"
    & skf18("1","3","2","7","4","1","1") = "6"
    & skf18("1","3","2","7","4","2","1") = "6"
    & skf18("1","3","2","7","4","3","1") = "6"
    & skf18("1","3","2","7","4","4","1") = "6"
    & skf18("1","3","2","7","4","5","1") = "6"
    & skf18("1","3","2","7","4","6","1") = "6"
    & skf18("1","3","2","7","4","7","1") = "6"
    & skf18("1","3","2","7","4","8","1") = "7"
    & skf18("1","3","2","7","4","9","1") = "8"
    & skf18("1","3","2","7","4","10","1") = "9"
    & skf18("1","3","2","7","5","1","1") = "6"
    & skf18("1","3","2","7","5","2","1") = "6"
    & skf18("1","3","2","7","5","3","1") = "6"
    & skf18("1","3","2","7","5","4","1") = "6"
    & skf18("1","3","2","7","5","5","1") = "6"
    & skf18("1","3","2","7","5","6","1") = "6"
    & skf18("1","3","2","7","5","7","1") = "6"
    & skf18("1","3","2","7","5","8","1") = "7"
    & skf18("1","3","2","7","5","9","1") = "8"
    & skf18("1","3","2","7","5","10","1") = "9"
    & skf18("1","3","2","7","6","1","1") = "6"
    & skf18("1","3","2","7","6","2","1") = "6"
    & skf18("1","3","2","7","6","3","1") = "6"
    & skf18("1","3","2","7","6","4","1") = "6"
    & skf18("1","3","2","7","6","5","1") = "6"
    & skf18("1","3","2","7","6","6","1") = "6"
    & skf18("1","3","2","7","6","7","1") = "6"
    & skf18("1","3","2","7","6","8","1") = "7"
    & skf18("1","3","2","7","6","9","1") = "8"
    & skf18("1","3","2","7","6","10","1") = "9"
    & skf18("1","3","2","7","7","1","1") = "6"
    & skf18("1","3","2","7","7","2","1") = "6"
    & skf18("1","3","2","7","7","3","1") = "6"
    & skf18("1","3","2","7","7","4","1") = "6"
    & skf18("1","3","2","7","7","5","1") = "6"
    & skf18("1","3","2","7","7","6","1") = "6"
    & skf18("1","3","2","7","7","7","1") = "6"
    & skf18("1","3","2","7","7","8","1") = "7"
    & skf18("1","3","2","7","7","9","1") = "8"
    & skf18("1","3","2","7","7","10","1") = "9"
    & skf18("1","3","2","7","8","1","1") = "7"
    & skf18("1","3","2","7","8","2","1") = "7"
    & skf18("1","3","2","7","8","3","1") = "7"
    & skf18("1","3","2","7","8","4","1") = "7"
    & skf18("1","3","2","7","8","5","1") = "7"
    & skf18("1","3","2","7","8","6","1") = "7"
    & skf18("1","3","2","7","8","7","1") = "7"
    & skf18("1","3","2","7","8","8","1") = "7"
    & skf18("1","3","2","7","8","9","1") = "8"
    & skf18("1","3","2","7","8","10","1") = "9"
    & skf18("1","3","2","7","9","1","1") = "8"
    & skf18("1","3","2","7","9","2","1") = "8"
    & skf18("1","3","2","7","9","3","1") = "8"
    & skf18("1","3","2","7","9","4","1") = "8"
    & skf18("1","3","2","7","9","5","1") = "8"
    & skf18("1","3","2","7","9","6","1") = "8"
    & skf18("1","3","2","7","9","7","1") = "8"
    & skf18("1","3","2","7","9","8","1") = "8"
    & skf18("1","3","2","7","9","9","1") = "8"
    & skf18("1","3","2","7","9","10","1") = "9"
    & skf18("1","3","2","7","10","1","1") = "9"
    & skf18("1","3","2","7","10","2","1") = "9"
    & skf18("1","3","2","7","10","3","1") = "9"
    & skf18("1","3","2","7","10","4","1") = "9"
    & skf18("1","3","2","7","10","5","1") = "9"
    & skf18("1","3","2","7","10","6","1") = "9"
    & skf18("1","3","2","7","10","7","1") = "9"
    & skf18("1","3","2","7","10","8","1") = "9"
    & skf18("1","3","2","7","10","9","1") = "9"
    & skf18("1","3","2","7","10","10","1") = "9"
    & skf18("1","3","2","8","1","1","1") = "7"
    & skf18("1","3","2","8","1","2","1") = "7"
    & skf18("1","3","2","8","1","3","1") = "7"
    & skf18("1","3","2","8","1","4","1") = "7"
    & skf18("1","3","2","8","1","5","1") = "7"
    & skf18("1","3","2","8","1","6","1") = "7"
    & skf18("1","3","2","8","1","7","1") = "7"
    & skf18("1","3","2","8","1","8","1") = "7"
    & skf18("1","3","2","8","1","9","1") = "8"
    & skf18("1","3","2","8","1","10","1") = "9"
    & skf18("1","3","2","8","2","1","1") = "7"
    & skf18("1","3","2","8","2","2","1") = "7"
    & skf18("1","3","2","8","2","3","1") = "7"
    & skf18("1","3","2","8","2","4","1") = "7"
    & skf18("1","3","2","8","2","5","1") = "7"
    & skf18("1","3","2","8","2","6","1") = "7"
    & skf18("1","3","2","8","2","7","1") = "7"
    & skf18("1","3","2","8","2","8","1") = "7"
    & skf18("1","3","2","8","2","9","1") = "8"
    & skf18("1","3","2","8","2","10","1") = "9"
    & skf18("1","3","2","8","3","1","1") = "7"
    & skf18("1","3","2","8","3","2","1") = "7"
    & skf18("1","3","2","8","3","3","1") = "7"
    & skf18("1","3","2","8","3","4","1") = "7"
    & skf18("1","3","2","8","3","5","1") = "7"
    & skf18("1","3","2","8","3","6","1") = "7"
    & skf18("1","3","2","8","3","7","1") = "7"
    & skf18("1","3","2","8","3","8","1") = "7"
    & skf18("1","3","2","8","3","9","1") = "8"
    & skf18("1","3","2","8","3","10","1") = "9"
    & skf18("1","3","2","8","4","1","1") = "7"
    & skf18("1","3","2","8","4","2","1") = "7"
    & skf18("1","3","2","8","4","3","1") = "7"
    & skf18("1","3","2","8","4","4","1") = "7"
    & skf18("1","3","2","8","4","5","1") = "7"
    & skf18("1","3","2","8","4","6","1") = "7"
    & skf18("1","3","2","8","4","7","1") = "7"
    & skf18("1","3","2","8","4","8","1") = "7"
    & skf18("1","3","2","8","4","9","1") = "8"
    & skf18("1","3","2","8","4","10","1") = "9"
    & skf18("1","3","2","8","5","1","1") = "7"
    & skf18("1","3","2","8","5","2","1") = "7"
    & skf18("1","3","2","8","5","3","1") = "7"
    & skf18("1","3","2","8","5","4","1") = "7"
    & skf18("1","3","2","8","5","5","1") = "7"
    & skf18("1","3","2","8","5","6","1") = "7"
    & skf18("1","3","2","8","5","7","1") = "7"
    & skf18("1","3","2","8","5","8","1") = "7"
    & skf18("1","3","2","8","5","9","1") = "8"
    & skf18("1","3","2","8","5","10","1") = "9"
    & skf18("1","3","2","8","6","1","1") = "7"
    & skf18("1","3","2","8","6","2","1") = "7"
    & skf18("1","3","2","8","6","3","1") = "7"
    & skf18("1","3","2","8","6","4","1") = "7"
    & skf18("1","3","2","8","6","5","1") = "7"
    & skf18("1","3","2","8","6","6","1") = "7"
    & skf18("1","3","2","8","6","7","1") = "7"
    & skf18("1","3","2","8","6","8","1") = "7"
    & skf18("1","3","2","8","6","9","1") = "8"
    & skf18("1","3","2","8","6","10","1") = "9"
    & skf18("1","3","2","8","7","1","1") = "7"
    & skf18("1","3","2","8","7","2","1") = "7"
    & skf18("1","3","2","8","7","3","1") = "7"
    & skf18("1","3","2","8","7","4","1") = "7"
    & skf18("1","3","2","8","7","5","1") = "7"
    & skf18("1","3","2","8","7","6","1") = "7"
    & skf18("1","3","2","8","7","7","1") = "7"
    & skf18("1","3","2","8","7","8","1") = "7"
    & skf18("1","3","2","8","7","9","1") = "8"
    & skf18("1","3","2","8","7","10","1") = "9"
    & skf18("1","3","2","8","8","1","1") = "7"
    & skf18("1","3","2","8","8","2","1") = "7"
    & skf18("1","3","2","8","8","3","1") = "7"
    & skf18("1","3","2","8","8","4","1") = "7"
    & skf18("1","3","2","8","8","5","1") = "7"
    & skf18("1","3","2","8","8","6","1") = "7"
    & skf18("1","3","2","8","8","7","1") = "7"
    & skf18("1","3","2","8","8","8","1") = "7"
    & skf18("1","3","2","8","8","9","1") = "8"
    & skf18("1","3","2","8","8","10","1") = "9"
    & skf18("1","3","2","8","9","1","1") = "8"
    & skf18("1","3","2","8","9","2","1") = "8"
    & skf18("1","3","2","8","9","3","1") = "8"
    & skf18("1","3","2","8","9","4","1") = "8"
    & skf18("1","3","2","8","9","5","1") = "8"
    & skf18("1","3","2","8","9","6","1") = "8"
    & skf18("1","3","2","8","9","7","1") = "8"
    & skf18("1","3","2","8","9","8","1") = "8"
    & skf18("1","3","2","8","9","9","1") = "8"
    & skf18("1","3","2","8","9","10","1") = "9"
    & skf18("1","3","2","8","10","1","1") = "9"
    & skf18("1","3","2","8","10","2","1") = "9"
    & skf18("1","3","2","8","10","3","1") = "9"
    & skf18("1","3","2","8","10","4","1") = "9"
    & skf18("1","3","2","8","10","5","1") = "9"
    & skf18("1","3","2","8","10","6","1") = "9"
    & skf18("1","3","2","8","10","7","1") = "9"
    & skf18("1","3","2","8","10","8","1") = "9"
    & skf18("1","3","2","8","10","9","1") = "9"
    & skf18("1","3","2","8","10","10","1") = "9"
    & skf18("1","3","2","9","1","1","1") = "8"
    & skf18("1","3","2","9","1","2","1") = "8"
    & skf18("1","3","2","9","1","3","1") = "8"
    & skf18("1","3","2","9","1","4","1") = "8"
    & skf18("1","3","2","9","1","5","1") = "8"
    & skf18("1","3","2","9","1","6","1") = "8"
    & skf18("1","3","2","9","1","7","1") = "8"
    & skf18("1","3","2","9","1","8","1") = "8"
    & skf18("1","3","2","9","1","9","1") = "8"
    & skf18("1","3","2","9","1","10","1") = "9"
    & skf18("1","3","2","9","2","1","1") = "8"
    & skf18("1","3","2","9","2","2","1") = "8"
    & skf18("1","3","2","9","2","3","1") = "8"
    & skf18("1","3","2","9","2","4","1") = "8"
    & skf18("1","3","2","9","2","5","1") = "8"
    & skf18("1","3","2","9","2","6","1") = "8"
    & skf18("1","3","2","9","2","7","1") = "8"
    & skf18("1","3","2","9","2","8","1") = "8"
    & skf18("1","3","2","9","2","9","1") = "8"
    & skf18("1","3","2","9","2","10","1") = "9"
    & skf18("1","3","2","9","3","1","1") = "8"
    & skf18("1","3","2","9","3","2","1") = "8"
    & skf18("1","3","2","9","3","3","1") = "8"
    & skf18("1","3","2","9","3","4","1") = "8"
    & skf18("1","3","2","9","3","5","1") = "8"
    & skf18("1","3","2","9","3","6","1") = "8"
    & skf18("1","3","2","9","3","7","1") = "8"
    & skf18("1","3","2","9","3","8","1") = "8"
    & skf18("1","3","2","9","3","9","1") = "8"
    & skf18("1","3","2","9","3","10","1") = "9"
    & skf18("1","3","2","9","4","1","1") = "8"
    & skf18("1","3","2","9","4","2","1") = "8"
    & skf18("1","3","2","9","4","3","1") = "8"
    & skf18("1","3","2","9","4","4","1") = "8"
    & skf18("1","3","2","9","4","5","1") = "8"
    & skf18("1","3","2","9","4","6","1") = "8"
    & skf18("1","3","2","9","4","7","1") = "8"
    & skf18("1","3","2","9","4","8","1") = "8"
    & skf18("1","3","2","9","4","9","1") = "8"
    & skf18("1","3","2","9","4","10","1") = "9"
    & skf18("1","3","2","9","5","1","1") = "8"
    & skf18("1","3","2","9","5","2","1") = "8"
    & skf18("1","3","2","9","5","3","1") = "8"
    & skf18("1","3","2","9","5","4","1") = "8"
    & skf18("1","3","2","9","5","5","1") = "8"
    & skf18("1","3","2","9","5","6","1") = "8"
    & skf18("1","3","2","9","5","7","1") = "8"
    & skf18("1","3","2","9","5","8","1") = "8"
    & skf18("1","3","2","9","5","9","1") = "8"
    & skf18("1","3","2","9","5","10","1") = "9"
    & skf18("1","3","2","9","6","1","1") = "8"
    & skf18("1","3","2","9","6","2","1") = "8"
    & skf18("1","3","2","9","6","3","1") = "8"
    & skf18("1","3","2","9","6","4","1") = "8"
    & skf18("1","3","2","9","6","5","1") = "8"
    & skf18("1","3","2","9","6","6","1") = "8"
    & skf18("1","3","2","9","6","7","1") = "8"
    & skf18("1","3","2","9","6","8","1") = "8"
    & skf18("1","3","2","9","6","9","1") = "8"
    & skf18("1","3","2","9","6","10","1") = "9"
    & skf18("1","3","2","9","7","1","1") = "8"
    & skf18("1","3","2","9","7","2","1") = "8"
    & skf18("1","3","2","9","7","3","1") = "8"
    & skf18("1","3","2","9","7","4","1") = "8"
    & skf18("1","3","2","9","7","5","1") = "8"
    & skf18("1","3","2","9","7","6","1") = "8"
    & skf18("1","3","2","9","7","7","1") = "8"
    & skf18("1","3","2","9","7","8","1") = "8"
    & skf18("1","3","2","9","7","9","1") = "8"
    & skf18("1","3","2","9","7","10","1") = "9"
    & skf18("1","3","2","9","8","1","1") = "8"
    & skf18("1","3","2","9","8","2","1") = "8"
    & skf18("1","3","2","9","8","3","1") = "8"
    & skf18("1","3","2","9","8","4","1") = "8"
    & skf18("1","3","2","9","8","5","1") = "8"
    & skf18("1","3","2","9","8","6","1") = "8"
    & skf18("1","3","2","9","8","7","1") = "8"
    & skf18("1","3","2","9","8","8","1") = "8"
    & skf18("1","3","2","9","8","9","1") = "8"
    & skf18("1","3","2","9","8","10","1") = "9"
    & skf18("1","3","2","9","9","1","1") = "8"
    & skf18("1","3","2","9","9","2","1") = "8"
    & skf18("1","3","2","9","9","3","1") = "8"
    & skf18("1","3","2","9","9","4","1") = "8"
    & skf18("1","3","2","9","9","5","1") = "8"
    & skf18("1","3","2","9","9","6","1") = "8"
    & skf18("1","3","2","9","9","7","1") = "8"
    & skf18("1","3","2","9","9","8","1") = "8"
    & skf18("1","3","2","9","9","9","1") = "8"
    & skf18("1","3","2","9","9","10","1") = "9"
    & skf18("1","3","2","9","10","1","1") = "9"
    & skf18("1","3","2","9","10","2","1") = "9"
    & skf18("1","3","2","9","10","3","1") = "9"
    & skf18("1","3","2","9","10","4","1") = "9"
    & skf18("1","3","2","9","10","5","1") = "9"
    & skf18("1","3","2","9","10","6","1") = "9"
    & skf18("1","3","2","9","10","7","1") = "9"
    & skf18("1","3","2","9","10","8","1") = "9"
    & skf18("1","3","2","9","10","9","1") = "9"
    & skf18("1","3","2","9","10","10","1") = "9"
    & skf18("1","3","2","10","1","1","1") = "9"
    & skf18("1","3","2","10","1","2","1") = "9"
    & skf18("1","3","2","10","1","3","1") = "9"
    & skf18("1","3","2","10","1","4","1") = "9"
    & skf18("1","3","2","10","1","5","1") = "9"
    & skf18("1","3","2","10","1","6","1") = "9"
    & skf18("1","3","2","10","1","7","1") = "9"
    & skf18("1","3","2","10","1","8","1") = "9"
    & skf18("1","3","2","10","1","9","1") = "9"
    & skf18("1","3","2","10","1","10","1") = "9"
    & skf18("1","3","2","10","2","1","1") = "9"
    & skf18("1","3","2","10","2","2","1") = "9"
    & skf18("1","3","2","10","2","3","1") = "9"
    & skf18("1","3","2","10","2","4","1") = "9"
    & skf18("1","3","2","10","2","5","1") = "9"
    & skf18("1","3","2","10","2","6","1") = "9"
    & skf18("1","3","2","10","2","7","1") = "9"
    & skf18("1","3","2","10","2","8","1") = "9"
    & skf18("1","3","2","10","2","9","1") = "9"
    & skf18("1","3","2","10","2","10","1") = "9"
    & skf18("1","3","2","10","3","1","1") = "9"
    & skf18("1","3","2","10","3","2","1") = "9"
    & skf18("1","3","2","10","3","3","1") = "9"
    & skf18("1","3","2","10","3","4","1") = "9"
    & skf18("1","3","2","10","3","5","1") = "9"
    & skf18("1","3","2","10","3","6","1") = "9"
    & skf18("1","3","2","10","3","7","1") = "9"
    & skf18("1","3","2","10","3","8","1") = "9"
    & skf18("1","3","2","10","3","9","1") = "9"
    & skf18("1","3","2","10","3","10","1") = "9"
    & skf18("1","3","2","10","4","1","1") = "9"
    & skf18("1","3","2","10","4","2","1") = "9"
    & skf18("1","3","2","10","4","3","1") = "9"
    & skf18("1","3","2","10","4","4","1") = "9"
    & skf18("1","3","2","10","4","5","1") = "9"
    & skf18("1","3","2","10","4","6","1") = "9"
    & skf18("1","3","2","10","4","7","1") = "9"
    & skf18("1","3","2","10","4","8","1") = "9"
    & skf18("1","3","2","10","4","9","1") = "9"
    & skf18("1","3","2","10","4","10","1") = "9"
    & skf18("1","3","2","10","5","1","1") = "9"
    & skf18("1","3","2","10","5","2","1") = "9"
    & skf18("1","3","2","10","5","3","1") = "9"
    & skf18("1","3","2","10","5","4","1") = "9"
    & skf18("1","3","2","10","5","5","1") = "9"
    & skf18("1","3","2","10","5","6","1") = "9"
    & skf18("1","3","2","10","5","7","1") = "9"
    & skf18("1","3","2","10","5","8","1") = "9"
    & skf18("1","3","2","10","5","9","1") = "9"
    & skf18("1","3","2","10","5","10","1") = "9"
    & skf18("1","3","2","10","6","1","1") = "9"
    & skf18("1","3","2","10","6","2","1") = "9"
    & skf18("1","3","2","10","6","3","1") = "9"
    & skf18("1","3","2","10","6","4","1") = "9"
    & skf18("1","3","2","10","6","5","1") = "9"
    & skf18("1","3","2","10","6","6","1") = "9"
    & skf18("1","3","2","10","6","7","1") = "9"
    & skf18("1","3","2","10","6","8","1") = "9"
    & skf18("1","3","2","10","6","9","1") = "9"
    & skf18("1","3","2","10","6","10","1") = "9"
    & skf18("1","3","2","10","7","1","1") = "9"
    & skf18("1","3","2","10","7","2","1") = "9"
    & skf18("1","3","2","10","7","3","1") = "9"
    & skf18("1","3","2","10","7","4","1") = "9"
    & skf18("1","3","2","10","7","5","1") = "9"
    & skf18("1","3","2","10","7","6","1") = "9"
    & skf18("1","3","2","10","7","7","1") = "9"
    & skf18("1","3","2","10","7","8","1") = "9"
    & skf18("1","3","2","10","7","9","1") = "9"
    & skf18("1","3","2","10","7","10","1") = "9"
    & skf18("1","3","2","10","8","1","1") = "9"
    & skf18("1","3","2","10","8","2","1") = "9"
    & skf18("1","3","2","10","8","3","1") = "9"
    & skf18("1","3","2","10","8","4","1") = "9"
    & skf18("1","3","2","10","8","5","1") = "9"
    & skf18("1","3","2","10","8","6","1") = "9"
    & skf18("1","3","2","10","8","7","1") = "9"
    & skf18("1","3","2","10","8","8","1") = "9"
    & skf18("1","3","2","10","8","9","1") = "9"
    & skf18("1","3","2","10","8","10","1") = "9"
    & skf18("1","3","2","10","9","1","1") = "9"
    & skf18("1","3","2","10","9","2","1") = "9"
    & skf18("1","3","2","10","9","3","1") = "9"
    & skf18("1","3","2","10","9","4","1") = "9"
    & skf18("1","3","2","10","9","5","1") = "9"
    & skf18("1","3","2","10","9","6","1") = "9"
    & skf18("1","3","2","10","9","7","1") = "9"
    & skf18("1","3","2","10","9","8","1") = "9"
    & skf18("1","3","2","10","9","9","1") = "9"
    & skf18("1","3","2","10","9","10","1") = "9"
    & skf18("1","3","2","10","10","1","1") = "9"
    & skf18("1","3","2","10","10","2","1") = "9"
    & skf18("1","3","2","10","10","3","1") = "9"
    & skf18("1","3","2","10","10","4","1") = "9"
    & skf18("1","3","2","10","10","5","1") = "9"
    & skf18("1","3","2","10","10","6","1") = "9"
    & skf18("1","3","2","10","10","7","1") = "9"
    & skf18("1","3","2","10","10","8","1") = "9"
    & skf18("1","3","2","10","10","9","1") = "9"
    & skf18("1","3","2","10","10","10","1") = "9"
    & skf18("1","3","3","1","1","1","1") = "2"
    & skf18("1","3","3","1","1","2","1") = "2"
    & skf18("1","3","3","1","1","3","1") = "2"
    & skf18("1","3","3","1","1","4","1") = "3"
    & skf18("1","3","3","1","1","5","1") = "4"
    & skf18("1","3","3","1","1","6","1") = "5"
    & skf18("1","3","3","1","1","7","1") = "6"
    & skf18("1","3","3","1","1","8","1") = "7"
    & skf18("1","3","3","1","1","9","1") = "8"
    & skf18("1","3","3","1","1","10","1") = "9"
    & skf18("1","3","3","1","2","1","1") = "2"
    & skf18("1","3","3","1","2","2","1") = "2"
    & skf18("1","3","3","1","2","3","1") = "2"
    & skf18("1","3","3","1","2","4","1") = "3"
    & skf18("1","3","3","1","2","5","1") = "4"
    & skf18("1","3","3","1","2","6","1") = "5"
    & skf18("1","3","3","1","2","7","1") = "6"
    & skf18("1","3","3","1","2","8","1") = "7"
    & skf18("1","3","3","1","2","9","1") = "8"
    & skf18("1","3","3","1","2","10","1") = "9"
    & skf18("1","3","3","1","3","1","1") = "2"
    & skf18("1","3","3","1","3","2","1") = "2"
    & skf18("1","3","3","1","3","3","1") = "2"
    & skf18("1","3","3","1","3","4","1") = "3"
    & skf18("1","3","3","1","3","5","1") = "4"
    & skf18("1","3","3","1","3","6","1") = "5"
    & skf18("1","3","3","1","3","7","1") = "6"
    & skf18("1","3","3","1","3","8","1") = "7"
    & skf18("1","3","3","1","3","9","1") = "8"
    & skf18("1","3","3","1","3","10","1") = "9"
    & skf18("1","3","3","1","4","1","1") = "3"
    & skf18("1","3","3","1","4","2","1") = "3"
    & skf18("1","3","3","1","4","3","1") = "3"
    & skf18("1","3","3","1","4","4","1") = "3"
    & skf18("1","3","3","1","4","5","1") = "4"
    & skf18("1","3","3","1","4","6","1") = "5"
    & skf18("1","3","3","1","4","7","1") = "6"
    & skf18("1","3","3","1","4","8","1") = "7"
    & skf18("1","3","3","1","4","9","1") = "8"
    & skf18("1","3","3","1","4","10","1") = "9"
    & skf18("1","3","3","1","5","1","1") = "4"
    & skf18("1","3","3","1","5","2","1") = "4"
    & skf18("1","3","3","1","5","3","1") = "4"
    & skf18("1","3","3","1","5","4","1") = "4"
    & skf18("1","3","3","1","5","5","1") = "4"
    & skf18("1","3","3","1","5","6","1") = "5"
    & skf18("1","3","3","1","5","7","1") = "6"
    & skf18("1","3","3","1","5","8","1") = "7"
    & skf18("1","3","3","1","5","9","1") = "8"
    & skf18("1","3","3","1","5","10","1") = "9"
    & skf18("1","3","3","1","6","1","1") = "5"
    & skf18("1","3","3","1","6","2","1") = "5"
    & skf18("1","3","3","1","6","3","1") = "5"
    & skf18("1","3","3","1","6","4","1") = "5"
    & skf18("1","3","3","1","6","5","1") = "5"
    & skf18("1","3","3","1","6","6","1") = "5"
    & skf18("1","3","3","1","6","7","1") = "6"
    & skf18("1","3","3","1","6","8","1") = "7"
    & skf18("1","3","3","1","6","9","1") = "8"
    & skf18("1","3","3","1","6","10","1") = "9"
    & skf18("1","3","3","1","7","1","1") = "6"
    & skf18("1","3","3","1","7","2","1") = "6"
    & skf18("1","3","3","1","7","3","1") = "6"
    & skf18("1","3","3","1","7","4","1") = "6"
    & skf18("1","3","3","1","7","5","1") = "6"
    & skf18("1","3","3","1","7","6","1") = "6"
    & skf18("1","3","3","1","7","7","1") = "6"
    & skf18("1","3","3","1","7","8","1") = "7"
    & skf18("1","3","3","1","7","9","1") = "8"
    & skf18("1","3","3","1","7","10","1") = "9"
    & skf18("1","3","3","1","8","1","1") = "7"
    & skf18("1","3","3","1","8","2","1") = "7"
    & skf18("1","3","3","1","8","3","1") = "7"
    & skf18("1","3","3","1","8","4","1") = "7"
    & skf18("1","3","3","1","8","5","1") = "7"
    & skf18("1","3","3","1","8","6","1") = "7"
    & skf18("1","3","3","1","8","7","1") = "7"
    & skf18("1","3","3","1","8","8","1") = "7"
    & skf18("1","3","3","1","8","9","1") = "8"
    & skf18("1","3","3","1","8","10","1") = "9"
    & skf18("1","3","3","1","9","1","1") = "8"
    & skf18("1","3","3","1","9","2","1") = "8"
    & skf18("1","3","3","1","9","3","1") = "8"
    & skf18("1","3","3","1","9","4","1") = "8"
    & skf18("1","3","3","1","9","5","1") = "8"
    & skf18("1","3","3","1","9","6","1") = "8"
    & skf18("1","3","3","1","9","7","1") = "8"
    & skf18("1","3","3","1","9","8","1") = "8"
    & skf18("1","3","3","1","9","9","1") = "8"
    & skf18("1","3","3","1","9","10","1") = "9"
    & skf18("1","3","3","1","10","1","1") = "9"
    & skf18("1","3","3","1","10","2","1") = "9"
    & skf18("1","3","3","1","10","3","1") = "9"
    & skf18("1","3","3","1","10","4","1") = "9"
    & skf18("1","3","3","1","10","5","1") = "9"
    & skf18("1","3","3","1","10","6","1") = "9"
    & skf18("1","3","3","1","10","7","1") = "9"
    & skf18("1","3","3","1","10","8","1") = "9"
    & skf18("1","3","3","1","10","9","1") = "9"
    & skf18("1","3","3","1","10","10","1") = "9"
    & skf18("1","3","3","2","1","1","1") = "2"
    & skf18("1","3","3","2","1","2","1") = "2"
    & skf18("1","3","3","2","1","3","1") = "2"
    & skf18("1","3","3","2","1","4","1") = "3"
    & skf18("1","3","3","2","1","5","1") = "4"
    & skf18("1","3","3","2","1","6","1") = "5"
    & skf18("1","3","3","2","1","7","1") = "6"
    & skf18("1","3","3","2","1","8","1") = "7"
    & skf18("1","3","3","2","1","9","1") = "8"
    & skf18("1","3","3","2","1","10","1") = "9"
    & skf18("1","3","3","2","2","1","1") = "2"
    & skf18("1","3","3","2","2","2","1") = "2"
    & skf18("1","3","3","2","2","3","1") = "2"
    & skf18("1","3","3","2","2","4","1") = "3"
    & skf18("1","3","3","2","2","5","1") = "4"
    & skf18("1","3","3","2","2","6","1") = "5"
    & skf18("1","3","3","2","2","7","1") = "6"
    & skf18("1","3","3","2","2","8","1") = "7"
    & skf18("1","3","3","2","2","9","1") = "8"
    & skf18("1","3","3","2","2","10","1") = "9"
    & skf18("1","3","3","2","3","1","1") = "2"
    & skf18("1","3","3","2","3","2","1") = "2"
    & skf18("1","3","3","2","3","3","1") = "2"
    & skf18("1","3","3","2","3","4","1") = "3"
    & skf18("1","3","3","2","3","5","1") = "4"
    & skf18("1","3","3","2","3","6","1") = "5"
    & skf18("1","3","3","2","3","7","1") = "6"
    & skf18("1","3","3","2","3","8","1") = "7"
    & skf18("1","3","3","2","3","9","1") = "8"
    & skf18("1","3","3","2","3","10","1") = "9"
    & skf18("1","3","3","2","4","1","1") = "3"
    & skf18("1","3","3","2","4","2","1") = "3"
    & skf18("1","3","3","2","4","3","1") = "3"
    & skf18("1","3","3","2","4","4","1") = "3"
    & skf18("1","3","3","2","4","5","1") = "4"
    & skf18("1","3","3","2","4","6","1") = "5"
    & skf18("1","3","3","2","4","7","1") = "6"
    & skf18("1","3","3","2","4","8","1") = "7"
    & skf18("1","3","3","2","4","9","1") = "8"
    & skf18("1","3","3","2","4","10","1") = "9"
    & skf18("1","3","3","2","5","1","1") = "4"
    & skf18("1","3","3","2","5","2","1") = "4"
    & skf18("1","3","3","2","5","3","1") = "4"
    & skf18("1","3","3","2","5","4","1") = "4"
    & skf18("1","3","3","2","5","5","1") = "4"
    & skf18("1","3","3","2","5","6","1") = "5"
    & skf18("1","3","3","2","5","7","1") = "6"
    & skf18("1","3","3","2","5","8","1") = "7"
    & skf18("1","3","3","2","5","9","1") = "8"
    & skf18("1","3","3","2","5","10","1") = "9"
    & skf18("1","3","3","2","6","1","1") = "5"
    & skf18("1","3","3","2","6","2","1") = "5"
    & skf18("1","3","3","2","6","3","1") = "5"
    & skf18("1","3","3","2","6","4","1") = "5"
    & skf18("1","3","3","2","6","5","1") = "5"
    & skf18("1","3","3","2","6","6","1") = "5"
    & skf18("1","3","3","2","6","7","1") = "6"
    & skf18("1","3","3","2","6","8","1") = "7"
    & skf18("1","3","3","2","6","9","1") = "8"
    & skf18("1","3","3","2","6","10","1") = "9"
    & skf18("1","3","3","2","7","1","1") = "6"
    & skf18("1","3","3","2","7","2","1") = "6"
    & skf18("1","3","3","2","7","3","1") = "6"
    & skf18("1","3","3","2","7","4","1") = "6"
    & skf18("1","3","3","2","7","5","1") = "6"
    & skf18("1","3","3","2","7","6","1") = "6"
    & skf18("1","3","3","2","7","7","1") = "6"
    & skf18("1","3","3","2","7","8","1") = "7"
    & skf18("1","3","3","2","7","9","1") = "8"
    & skf18("1","3","3","2","7","10","1") = "9"
    & skf18("1","3","3","2","8","1","1") = "7"
    & skf18("1","3","3","2","8","2","1") = "7"
    & skf18("1","3","3","2","8","3","1") = "7"
    & skf18("1","3","3","2","8","4","1") = "7"
    & skf18("1","3","3","2","8","5","1") = "7"
    & skf18("1","3","3","2","8","6","1") = "7"
    & skf18("1","3","3","2","8","7","1") = "7"
    & skf18("1","3","3","2","8","8","1") = "7"
    & skf18("1","3","3","2","8","9","1") = "8"
    & skf18("1","3","3","2","8","10","1") = "9"
    & skf18("1","3","3","2","9","1","1") = "8"
    & skf18("1","3","3","2","9","2","1") = "8"
    & skf18("1","3","3","2","9","3","1") = "8"
    & skf18("1","3","3","2","9","4","1") = "8"
    & skf18("1","3","3","2","9","5","1") = "8"
    & skf18("1","3","3","2","9","6","1") = "8"
    & skf18("1","3","3","2","9","7","1") = "8"
    & skf18("1","3","3","2","9","8","1") = "8"
    & skf18("1","3","3","2","9","9","1") = "8"
    & skf18("1","3","3","2","9","10","1") = "9"
    & skf18("1","3","3","2","10","1","1") = "9"
    & skf18("1","3","3","2","10","2","1") = "9"
    & skf18("1","3","3","2","10","3","1") = "9"
    & skf18("1","3","3","2","10","4","1") = "9"
    & skf18("1","3","3","2","10","5","1") = "9"
    & skf18("1","3","3","2","10","6","1") = "9"
    & skf18("1","3","3","2","10","7","1") = "9"
    & skf18("1","3","3","2","10","8","1") = "9"
    & skf18("1","3","3","2","10","9","1") = "9"
    & skf18("1","3","3","2","10","10","1") = "9"
    & skf18("1","3","3","3","1","1","1") = "2"
    & skf18("1","3","3","3","1","2","1") = "2"
    & skf18("1","3","3","3","1","3","1") = "2"
    & skf18("1","3","3","3","1","4","1") = "3"
    & skf18("1","3","3","3","1","5","1") = "4"
    & skf18("1","3","3","3","1","6","1") = "5"
    & skf18("1","3","3","3","1","7","1") = "6"
    & skf18("1","3","3","3","1","8","1") = "7"
    & skf18("1","3","3","3","1","9","1") = "8"
    & skf18("1","3","3","3","1","10","1") = "9"
    & skf18("1","3","3","3","2","1","1") = "2"
    & skf18("1","3","3","3","2","2","1") = "2"
    & skf18("1","3","3","3","2","3","1") = "2"
    & skf18("1","3","3","3","2","4","1") = "3"
    & skf18("1","3","3","3","2","5","1") = "4"
    & skf18("1","3","3","3","2","6","1") = "5"
    & skf18("1","3","3","3","2","7","1") = "6"
    & skf18("1","3","3","3","2","8","1") = "7"
    & skf18("1","3","3","3","2","9","1") = "8"
    & skf18("1","3","3","3","2","10","1") = "9"
    & skf18("1","3","3","3","3","1","1") = "2"
    & skf18("1","3","3","3","3","2","1") = "2"
    & skf18("1","3","3","3","3","3","1") = "2"
    & skf18("1","3","3","3","3","4","1") = "3"
    & skf18("1","3","3","3","3","5","1") = "4"
    & skf18("1","3","3","3","3","6","1") = "5"
    & skf18("1","3","3","3","3","7","1") = "6"
    & skf18("1","3","3","3","3","8","1") = "7"
    & skf18("1","3","3","3","3","9","1") = "8"
    & skf18("1","3","3","3","3","10","1") = "9"
    & skf18("1","3","3","3","4","1","1") = "2"
    & skf18("1","3","3","3","4","2","1") = "3"
    & skf18("1","3","3","3","4","3","1") = "3"
    & skf18("1","3","3","3","4","4","1") = "3"
    & skf18("1","3","3","3","4","5","1") = "4"
    & skf18("1","3","3","3","4","6","1") = "5"
    & skf18("1","3","3","3","4","7","1") = "6"
    & skf18("1","3","3","3","4","8","1") = "7"
    & skf18("1","3","3","3","4","9","1") = "8"
    & skf18("1","3","3","3","4","10","1") = "9"
    & skf18("1","3","3","3","5","1","1") = "4"
    & skf18("1","3","3","3","5","2","1") = "4"
    & skf18("1","3","3","3","5","3","1") = "4"
    & skf18("1","3","3","3","5","4","1") = "4"
    & skf18("1","3","3","3","5","5","1") = "4"
    & skf18("1","3","3","3","5","6","1") = "5"
    & skf18("1","3","3","3","5","7","1") = "6"
    & skf18("1","3","3","3","5","8","1") = "7"
    & skf18("1","3","3","3","5","9","1") = "8"
    & skf18("1","3","3","3","5","10","1") = "9"
    & skf18("1","3","3","3","6","1","1") = "5"
    & skf18("1","3","3","3","6","2","1") = "5"
    & skf18("1","3","3","3","6","3","1") = "5"
    & skf18("1","3","3","3","6","4","1") = "5"
    & skf18("1","3","3","3","6","5","1") = "5"
    & skf18("1","3","3","3","6","6","1") = "5"
    & skf18("1","3","3","3","6","7","1") = "6"
    & skf18("1","3","3","3","6","8","1") = "7"
    & skf18("1","3","3","3","6","9","1") = "8"
    & skf18("1","3","3","3","6","10","1") = "9"
    & skf18("1","3","3","3","7","1","1") = "6"
    & skf18("1","3","3","3","7","2","1") = "6"
    & skf18("1","3","3","3","7","3","1") = "6"
    & skf18("1","3","3","3","7","4","1") = "6"
    & skf18("1","3","3","3","7","5","1") = "6"
    & skf18("1","3","3","3","7","6","1") = "6"
    & skf18("1","3","3","3","7","7","1") = "6"
    & skf18("1","3","3","3","7","8","1") = "7"
    & skf18("1","3","3","3","7","9","1") = "8"
    & skf18("1","3","3","3","7","10","1") = "9"
    & skf18("1","3","3","3","8","1","1") = "7"
    & skf18("1","3","3","3","8","2","1") = "7"
    & skf18("1","3","3","3","8","3","1") = "7"
    & skf18("1","3","3","3","8","4","1") = "7"
    & skf18("1","3","3","3","8","5","1") = "7"
    & skf18("1","3","3","3","8","6","1") = "7"
    & skf18("1","3","3","3","8","7","1") = "7"
    & skf18("1","3","3","3","8","8","1") = "7"
    & skf18("1","3","3","3","8","9","1") = "8"
    & skf18("1","3","3","3","8","10","1") = "9"
    & skf18("1","3","3","3","9","1","1") = "8"
    & skf18("1","3","3","3","9","2","1") = "8"
    & skf18("1","3","3","3","9","3","1") = "8"
    & skf18("1","3","3","3","9","4","1") = "8"
    & skf18("1","3","3","3","9","5","1") = "8"
    & skf18("1","3","3","3","9","6","1") = "8"
    & skf18("1","3","3","3","9","7","1") = "8"
    & skf18("1","3","3","3","9","8","1") = "8"
    & skf18("1","3","3","3","9","9","1") = "8"
    & skf18("1","3","3","3","9","10","1") = "9"
    & skf18("1","3","3","3","10","1","1") = "9"
    & skf18("1","3","3","3","10","2","1") = "9"
    & skf18("1","3","3","3","10","3","1") = "9"
    & skf18("1","3","3","3","10","4","1") = "9"
    & skf18("1","3","3","3","10","5","1") = "9"
    & skf18("1","3","3","3","10","6","1") = "9"
    & skf18("1","3","3","3","10","7","1") = "9"
    & skf18("1","3","3","3","10","8","1") = "9"
    & skf18("1","3","3","3","10","9","1") = "9"
    & skf18("1","3","3","3","10","10","1") = "9"
    & skf18("1","3","3","4","1","1","1") = "3"
    & skf18("1","3","3","4","1","2","1") = "3"
    & skf18("1","3","3","4","1","3","1") = "3"
    & skf18("1","3","3","4","1","4","1") = "3"
    & skf18("1","3","3","4","1","5","1") = "4"
    & skf18("1","3","3","4","1","6","1") = "5"
    & skf18("1","3","3","4","1","7","1") = "6"
    & skf18("1","3","3","4","1","8","1") = "7"
    & skf18("1","3","3","4","1","9","1") = "8"
    & skf18("1","3","3","4","1","10","1") = "9"
    & skf18("1","3","3","4","2","1","1") = "3"
    & skf18("1","3","3","4","2","2","1") = "3"
    & skf18("1","3","3","4","2","3","1") = "3"
    & skf18("1","3","3","4","2","4","1") = "3"
    & skf18("1","3","3","4","2","5","1") = "4"
    & skf18("1","3","3","4","2","6","1") = "5"
    & skf18("1","3","3","4","2","7","1") = "6"
    & skf18("1","3","3","4","2","8","1") = "7"
    & skf18("1","3","3","4","2","9","1") = "8"
    & skf18("1","3","3","4","2","10","1") = "9"
    & skf18("1","3","3","4","3","1","1") = "3"
    & skf18("1","3","3","4","3","2","1") = "3"
    & skf18("1","3","3","4","3","3","1") = "3"
    & skf18("1","3","3","4","3","4","1") = "3"
    & skf18("1","3","3","4","3","5","1") = "4"
    & skf18("1","3","3","4","3","6","1") = "5"
    & skf18("1","3","3","4","3","7","1") = "6"
    & skf18("1","3","3","4","3","8","1") = "7"
    & skf18("1","3","3","4","3","9","1") = "8"
    & skf18("1","3","3","4","3","10","1") = "9"
    & skf18("1","3","3","4","4","1","1") = "3"
    & skf18("1","3","3","4","4","2","1") = "3"
    & skf18("1","3","3","4","4","3","1") = "3"
    & skf18("1","3","3","4","4","4","1") = "3"
    & skf18("1","3","3","4","4","5","1") = "4"
    & skf18("1","3","3","4","4","6","1") = "5"
    & skf18("1","3","3","4","4","7","1") = "6"
    & skf18("1","3","3","4","4","8","1") = "7"
    & skf18("1","3","3","4","4","9","1") = "8"
    & skf18("1","3","3","4","4","10","1") = "9"
    & skf18("1","3","3","4","5","1","1") = "4"
    & skf18("1","3","3","4","5","2","1") = "4"
    & skf18("1","3","3","4","5","3","1") = "4"
    & skf18("1","3","3","4","5","4","1") = "4"
    & skf18("1","3","3","4","5","5","1") = "4"
    & skf18("1","3","3","4","5","6","1") = "5"
    & skf18("1","3","3","4","5","7","1") = "6"
    & skf18("1","3","3","4","5","8","1") = "7"
    & skf18("1","3","3","4","5","9","1") = "8"
    & skf18("1","3","3","4","5","10","1") = "9"
    & skf18("1","3","3","4","6","1","1") = "5"
    & skf18("1","3","3","4","6","2","1") = "5"
    & skf18("1","3","3","4","6","3","1") = "5"
    & skf18("1","3","3","4","6","4","1") = "5"
    & skf18("1","3","3","4","6","5","1") = "5"
    & skf18("1","3","3","4","6","6","1") = "5"
    & skf18("1","3","3","4","6","7","1") = "6"
    & skf18("1","3","3","4","6","8","1") = "7"
    & skf18("1","3","3","4","6","9","1") = "8"
    & skf18("1","3","3","4","6","10","1") = "9"
    & skf18("1","3","3","4","7","1","1") = "6"
    & skf18("1","3","3","4","7","2","1") = "6"
    & skf18("1","3","3","4","7","3","1") = "6"
    & skf18("1","3","3","4","7","4","1") = "6"
    & skf18("1","3","3","4","7","5","1") = "6"
    & skf18("1","3","3","4","7","6","1") = "6"
    & skf18("1","3","3","4","7","7","1") = "6"
    & skf18("1","3","3","4","7","8","1") = "7"
    & skf18("1","3","3","4","7","9","1") = "8"
    & skf18("1","3","3","4","7","10","1") = "9"
    & skf18("1","3","3","4","8","1","1") = "7"
    & skf18("1","3","3","4","8","2","1") = "7"
    & skf18("1","3","3","4","8","3","1") = "7"
    & skf18("1","3","3","4","8","4","1") = "7"
    & skf18("1","3","3","4","8","5","1") = "7"
    & skf18("1","3","3","4","8","6","1") = "7"
    & skf18("1","3","3","4","8","7","1") = "7"
    & skf18("1","3","3","4","8","8","1") = "7"
    & skf18("1","3","3","4","8","9","1") = "8"
    & skf18("1","3","3","4","8","10","1") = "9"
    & skf18("1","3","3","4","9","1","1") = "8"
    & skf18("1","3","3","4","9","2","1") = "8"
    & skf18("1","3","3","4","9","3","1") = "8"
    & skf18("1","3","3","4","9","4","1") = "8"
    & skf18("1","3","3","4","9","5","1") = "8"
    & skf18("1","3","3","4","9","6","1") = "8"
    & skf18("1","3","3","4","9","7","1") = "8"
    & skf18("1","3","3","4","9","8","1") = "8"
    & skf18("1","3","3","4","9","9","1") = "8"
    & skf18("1","3","3","4","9","10","1") = "9"
    & skf18("1","3","3","4","10","1","1") = "9"
    & skf18("1","3","3","4","10","2","1") = "9"
    & skf18("1","3","3","4","10","3","1") = "9"
    & skf18("1","3","3","4","10","4","1") = "9"
    & skf18("1","3","3","4","10","5","1") = "9"
    & skf18("1","3","3","4","10","6","1") = "9"
    & skf18("1","3","3","4","10","7","1") = "9"
    & skf18("1","3","3","4","10","8","1") = "9"
    & skf18("1","3","3","4","10","9","1") = "9"
    & skf18("1","3","3","4","10","10","1") = "9"
    & skf18("1","3","3","5","1","1","1") = "4"
    & skf18("1","3","3","5","1","2","1") = "4"
    & skf18("1","3","3","5","1","3","1") = "4"
    & skf18("1","3","3","5","1","4","1") = "4"
    & skf18("1","3","3","5","1","5","1") = "4"
    & skf18("1","3","3","5","1","6","1") = "5"
    & skf18("1","3","3","5","1","7","1") = "6"
    & skf18("1","3","3","5","1","8","1") = "7"
    & skf18("1","3","3","5","1","9","1") = "8"
    & skf18("1","3","3","5","1","10","1") = "9"
    & skf18("1","3","3","5","2","1","1") = "4"
    & skf18("1","3","3","5","2","2","1") = "4"
    & skf18("1","3","3","5","2","3","1") = "4"
    & skf18("1","3","3","5","2","4","1") = "4"
    & skf18("1","3","3","5","2","5","1") = "4"
    & skf18("1","3","3","5","2","6","1") = "5"
    & skf18("1","3","3","5","2","7","1") = "6"
    & skf18("1","3","3","5","2","8","1") = "7"
    & skf18("1","3","3","5","2","9","1") = "8"
    & skf18("1","3","3","5","2","10","1") = "9"
    & skf18("1","3","3","5","3","1","1") = "4"
    & skf18("1","3","3","5","3","2","1") = "4"
    & skf18("1","3","3","5","3","3","1") = "4"
    & skf18("1","3","3","5","3","4","1") = "4"
    & skf18("1","3","3","5","3","5","1") = "4"
    & skf18("1","3","3","5","3","6","1") = "5"
    & skf18("1","3","3","5","3","7","1") = "6"
    & skf18("1","3","3","5","3","8","1") = "7"
    & skf18("1","3","3","5","3","9","1") = "8"
    & skf18("1","3","3","5","3","10","1") = "9"
    & skf18("1","3","3","5","4","1","1") = "4"
    & skf18("1","3","3","5","4","2","1") = "4"
    & skf18("1","3","3","5","4","3","1") = "4"
    & skf18("1","3","3","5","4","4","1") = "4"
    & skf18("1","3","3","5","4","5","1") = "4"
    & skf18("1","3","3","5","4","6","1") = "5"
    & skf18("1","3","3","5","4","7","1") = "6"
    & skf18("1","3","3","5","4","8","1") = "7"
    & skf18("1","3","3","5","4","9","1") = "8"
    & skf18("1","3","3","5","4","10","1") = "9"
    & skf18("1","3","3","5","5","1","1") = "4"
    & skf18("1","3","3","5","5","2","1") = "4"
    & skf18("1","3","3","5","5","3","1") = "4"
    & skf18("1","3","3","5","5","4","1") = "4"
    & skf18("1","3","3","5","5","5","1") = "4"
    & skf18("1","3","3","5","5","6","1") = "5"
    & skf18("1","3","3","5","5","7","1") = "6"
    & skf18("1","3","3","5","5","8","1") = "7"
    & skf18("1","3","3","5","5","9","1") = "8"
    & skf18("1","3","3","5","5","10","1") = "9"
    & skf18("1","3","3","5","6","1","1") = "5"
    & skf18("1","3","3","5","6","2","1") = "5"
    & skf18("1","3","3","5","6","3","1") = "5"
    & skf18("1","3","3","5","6","4","1") = "5"
    & skf18("1","3","3","5","6","5","1") = "5"
    & skf18("1","3","3","5","6","6","1") = "5"
    & skf18("1","3","3","5","6","7","1") = "6"
    & skf18("1","3","3","5","6","8","1") = "7"
    & skf18("1","3","3","5","6","9","1") = "8"
    & skf18("1","3","3","5","6","10","1") = "9"
    & skf18("1","3","3","5","7","1","1") = "6"
    & skf18("1","3","3","5","7","2","1") = "6"
    & skf18("1","3","3","5","7","3","1") = "6"
    & skf18("1","3","3","5","7","4","1") = "6"
    & skf18("1","3","3","5","7","5","1") = "6"
    & skf18("1","3","3","5","7","6","1") = "6"
    & skf18("1","3","3","5","7","7","1") = "6"
    & skf18("1","3","3","5","7","8","1") = "7"
    & skf18("1","3","3","5","7","9","1") = "8"
    & skf18("1","3","3","5","7","10","1") = "9"
    & skf18("1","3","3","5","8","1","1") = "7"
    & skf18("1","3","3","5","8","2","1") = "7"
    & skf18("1","3","3","5","8","3","1") = "7"
    & skf18("1","3","3","5","8","4","1") = "7"
    & skf18("1","3","3","5","8","5","1") = "7"
    & skf18("1","3","3","5","8","6","1") = "7"
    & skf18("1","3","3","5","8","7","1") = "7"
    & skf18("1","3","3","5","8","8","1") = "7"
    & skf18("1","3","3","5","8","9","1") = "8"
    & skf18("1","3","3","5","8","10","1") = "9"
    & skf18("1","3","3","5","9","1","1") = "8"
    & skf18("1","3","3","5","9","2","1") = "8"
    & skf18("1","3","3","5","9","3","1") = "8"
    & skf18("1","3","3","5","9","4","1") = "8"
    & skf18("1","3","3","5","9","5","1") = "8"
    & skf18("1","3","3","5","9","6","1") = "8"
    & skf18("1","3","3","5","9","7","1") = "8"
    & skf18("1","3","3","5","9","8","1") = "8"
    & skf18("1","3","3","5","9","9","1") = "8"
    & skf18("1","3","3","5","9","10","1") = "9"
    & skf18("1","3","3","5","10","1","1") = "9"
    & skf18("1","3","3","5","10","2","1") = "9"
    & skf18("1","3","3","5","10","3","1") = "9"
    & skf18("1","3","3","5","10","4","1") = "9"
    & skf18("1","3","3","5","10","5","1") = "9"
    & skf18("1","3","3","5","10","6","1") = "9"
    & skf18("1","3","3","5","10","7","1") = "9"
    & skf18("1","3","3","5","10","8","1") = "9"
    & skf18("1","3","3","5","10","9","1") = "9"
    & skf18("1","3","3","5","10","10","1") = "9"
    & skf18("1","3","3","6","1","1","1") = "5"
    & skf18("1","3","3","6","1","2","1") = "5"
    & skf18("1","3","3","6","1","3","1") = "5"
    & skf18("1","3","3","6","1","4","1") = "5"
    & skf18("1","3","3","6","1","5","1") = "5"
    & skf18("1","3","3","6","1","6","1") = "5"
    & skf18("1","3","3","6","1","7","1") = "6"
    & skf18("1","3","3","6","1","8","1") = "7"
    & skf18("1","3","3","6","1","9","1") = "8"
    & skf18("1","3","3","6","1","10","1") = "9"
    & skf18("1","3","3","6","2","1","1") = "5"
    & skf18("1","3","3","6","2","2","1") = "5"
    & skf18("1","3","3","6","2","3","1") = "5"
    & skf18("1","3","3","6","2","4","1") = "5"
    & skf18("1","3","3","6","2","5","1") = "5"
    & skf18("1","3","3","6","2","6","1") = "5"
    & skf18("1","3","3","6","2","7","1") = "6"
    & skf18("1","3","3","6","2","8","1") = "7"
    & skf18("1","3","3","6","2","9","1") = "8"
    & skf18("1","3","3","6","2","10","1") = "9"
    & skf18("1","3","3","6","3","1","1") = "5"
    & skf18("1","3","3","6","3","2","1") = "5"
    & skf18("1","3","3","6","3","3","1") = "5"
    & skf18("1","3","3","6","3","4","1") = "5"
    & skf18("1","3","3","6","3","5","1") = "5"
    & skf18("1","3","3","6","3","6","1") = "5"
    & skf18("1","3","3","6","3","7","1") = "6"
    & skf18("1","3","3","6","3","8","1") = "7"
    & skf18("1","3","3","6","3","9","1") = "8"
    & skf18("1","3","3","6","3","10","1") = "9"
    & skf18("1","3","3","6","4","1","1") = "5"
    & skf18("1","3","3","6","4","2","1") = "5"
    & skf18("1","3","3","6","4","3","1") = "5"
    & skf18("1","3","3","6","4","4","1") = "5"
    & skf18("1","3","3","6","4","5","1") = "5"
    & skf18("1","3","3","6","4","6","1") = "5"
    & skf18("1","3","3","6","4","7","1") = "6"
    & skf18("1","3","3","6","4","8","1") = "7"
    & skf18("1","3","3","6","4","9","1") = "8"
    & skf18("1","3","3","6","4","10","1") = "9"
    & skf18("1","3","3","6","5","1","1") = "5"
    & skf18("1","3","3","6","5","2","1") = "5"
    & skf18("1","3","3","6","5","3","1") = "5"
    & skf18("1","3","3","6","5","4","1") = "5"
    & skf18("1","3","3","6","5","5","1") = "5"
    & skf18("1","3","3","6","5","6","1") = "5"
    & skf18("1","3","3","6","5","7","1") = "6"
    & skf18("1","3","3","6","5","8","1") = "7"
    & skf18("1","3","3","6","5","9","1") = "8"
    & skf18("1","3","3","6","5","10","1") = "9"
    & skf18("1","3","3","6","6","1","1") = "5"
    & skf18("1","3","3","6","6","2","1") = "5"
    & skf18("1","3","3","6","6","3","1") = "5"
    & skf18("1","3","3","6","6","4","1") = "5"
    & skf18("1","3","3","6","6","5","1") = "5"
    & skf18("1","3","3","6","6","6","1") = "5"
    & skf18("1","3","3","6","6","7","1") = "6"
    & skf18("1","3","3","6","6","8","1") = "7"
    & skf18("1","3","3","6","6","9","1") = "8"
    & skf18("1","3","3","6","6","10","1") = "9"
    & skf18("1","3","3","6","7","1","1") = "6"
    & skf18("1","3","3","6","7","2","1") = "6"
    & skf18("1","3","3","6","7","3","1") = "6"
    & skf18("1","3","3","6","7","4","1") = "6"
    & skf18("1","3","3","6","7","5","1") = "6"
    & skf18("1","3","3","6","7","6","1") = "6"
    & skf18("1","3","3","6","7","7","1") = "6"
    & skf18("1","3","3","6","7","8","1") = "7"
    & skf18("1","3","3","6","7","9","1") = "8"
    & skf18("1","3","3","6","7","10","1") = "9"
    & skf18("1","3","3","6","8","1","1") = "7"
    & skf18("1","3","3","6","8","2","1") = "7"
    & skf18("1","3","3","6","8","3","1") = "7"
    & skf18("1","3","3","6","8","4","1") = "7"
    & skf18("1","3","3","6","8","5","1") = "7"
    & skf18("1","3","3","6","8","6","1") = "7"
    & skf18("1","3","3","6","8","7","1") = "7"
    & skf18("1","3","3","6","8","8","1") = "7"
    & skf18("1","3","3","6","8","9","1") = "8"
    & skf18("1","3","3","6","8","10","1") = "9"
    & skf18("1","3","3","6","9","1","1") = "8"
    & skf18("1","3","3","6","9","2","1") = "8"
    & skf18("1","3","3","6","9","3","1") = "8"
    & skf18("1","3","3","6","9","4","1") = "8"
    & skf18("1","3","3","6","9","5","1") = "8"
    & skf18("1","3","3","6","9","6","1") = "8"
    & skf18("1","3","3","6","9","7","1") = "8"
    & skf18("1","3","3","6","9","8","1") = "8"
    & skf18("1","3","3","6","9","9","1") = "8"
    & skf18("1","3","3","6","9","10","1") = "9"
    & skf18("1","3","3","6","10","1","1") = "9"
    & skf18("1","3","3","6","10","2","1") = "9"
    & skf18("1","3","3","6","10","3","1") = "9"
    & skf18("1","3","3","6","10","4","1") = "9"
    & skf18("1","3","3","6","10","5","1") = "9"
    & skf18("1","3","3","6","10","6","1") = "9"
    & skf18("1","3","3","6","10","7","1") = "9"
    & skf18("1","3","3","6","10","8","1") = "9"
    & skf18("1","3","3","6","10","9","1") = "9"
    & skf18("1","3","3","6","10","10","1") = "9"
    & skf18("1","3","3","7","1","1","1") = "6"
    & skf18("1","3","3","7","1","2","1") = "6"
    & skf18("1","3","3","7","1","3","1") = "6"
    & skf18("1","3","3","7","1","4","1") = "6"
    & skf18("1","3","3","7","1","5","1") = "6"
    & skf18("1","3","3","7","1","6","1") = "6"
    & skf18("1","3","3","7","1","7","1") = "6"
    & skf18("1","3","3","7","1","8","1") = "7"
    & skf18("1","3","3","7","1","9","1") = "8"
    & skf18("1","3","3","7","1","10","1") = "9"
    & skf18("1","3","3","7","2","1","1") = "6"
    & skf18("1","3","3","7","2","2","1") = "6"
    & skf18("1","3","3","7","2","3","1") = "6"
    & skf18("1","3","3","7","2","4","1") = "6"
    & skf18("1","3","3","7","2","5","1") = "6"
    & skf18("1","3","3","7","2","6","1") = "6"
    & skf18("1","3","3","7","2","7","1") = "6"
    & skf18("1","3","3","7","2","8","1") = "7"
    & skf18("1","3","3","7","2","9","1") = "8"
    & skf18("1","3","3","7","2","10","1") = "9"
    & skf18("1","3","3","7","3","1","1") = "6"
    & skf18("1","3","3","7","3","2","1") = "6"
    & skf18("1","3","3","7","3","3","1") = "6"
    & skf18("1","3","3","7","3","4","1") = "6"
    & skf18("1","3","3","7","3","5","1") = "6"
    & skf18("1","3","3","7","3","6","1") = "6"
    & skf18("1","3","3","7","3","7","1") = "6"
    & skf18("1","3","3","7","3","8","1") = "7"
    & skf18("1","3","3","7","3","9","1") = "8"
    & skf18("1","3","3","7","3","10","1") = "9"
    & skf18("1","3","3","7","4","1","1") = "6"
    & skf18("1","3","3","7","4","2","1") = "6"
    & skf18("1","3","3","7","4","3","1") = "6"
    & skf18("1","3","3","7","4","4","1") = "6"
    & skf18("1","3","3","7","4","5","1") = "6"
    & skf18("1","3","3","7","4","6","1") = "6"
    & skf18("1","3","3","7","4","7","1") = "6"
    & skf18("1","3","3","7","4","8","1") = "7"
    & skf18("1","3","3","7","4","9","1") = "8"
    & skf18("1","3","3","7","4","10","1") = "9"
    & skf18("1","3","3","7","5","1","1") = "6"
    & skf18("1","3","3","7","5","2","1") = "6"
    & skf18("1","3","3","7","5","3","1") = "6"
    & skf18("1","3","3","7","5","4","1") = "6"
    & skf18("1","3","3","7","5","5","1") = "6"
    & skf18("1","3","3","7","5","6","1") = "6"
    & skf18("1","3","3","7","5","7","1") = "6"
    & skf18("1","3","3","7","5","8","1") = "7"
    & skf18("1","3","3","7","5","9","1") = "8"
    & skf18("1","3","3","7","5","10","1") = "9"
    & skf18("1","3","3","7","6","1","1") = "6"
    & skf18("1","3","3","7","6","2","1") = "6"
    & skf18("1","3","3","7","6","3","1") = "6"
    & skf18("1","3","3","7","6","4","1") = "6"
    & skf18("1","3","3","7","6","5","1") = "6"
    & skf18("1","3","3","7","6","6","1") = "6"
    & skf18("1","3","3","7","6","7","1") = "6"
    & skf18("1","3","3","7","6","8","1") = "7"
    & skf18("1","3","3","7","6","9","1") = "8"
    & skf18("1","3","3","7","6","10","1") = "9"
    & skf18("1","3","3","7","7","1","1") = "6"
    & skf18("1","3","3","7","7","2","1") = "6"
    & skf18("1","3","3","7","7","3","1") = "6"
    & skf18("1","3","3","7","7","4","1") = "6"
    & skf18("1","3","3","7","7","5","1") = "6"
    & skf18("1","3","3","7","7","6","1") = "6"
    & skf18("1","3","3","7","7","7","1") = "6"
    & skf18("1","3","3","7","7","8","1") = "7"
    & skf18("1","3","3","7","7","9","1") = "8"
    & skf18("1","3","3","7","7","10","1") = "9"
    & skf18("1","3","3","7","8","1","1") = "7"
    & skf18("1","3","3","7","8","2","1") = "7"
    & skf18("1","3","3","7","8","3","1") = "7"
    & skf18("1","3","3","7","8","4","1") = "7"
    & skf18("1","3","3","7","8","5","1") = "7"
    & skf18("1","3","3","7","8","6","1") = "7"
    & skf18("1","3","3","7","8","7","1") = "7"
    & skf18("1","3","3","7","8","8","1") = "7"
    & skf18("1","3","3","7","8","9","1") = "8"
    & skf18("1","3","3","7","8","10","1") = "9"
    & skf18("1","3","3","7","9","1","1") = "8"
    & skf18("1","3","3","7","9","2","1") = "8"
    & skf18("1","3","3","7","9","3","1") = "8"
    & skf18("1","3","3","7","9","4","1") = "8"
    & skf18("1","3","3","7","9","5","1") = "8"
    & skf18("1","3","3","7","9","6","1") = "8"
    & skf18("1","3","3","7","9","7","1") = "8"
    & skf18("1","3","3","7","9","8","1") = "8"
    & skf18("1","3","3","7","9","9","1") = "8"
    & skf18("1","3","3","7","9","10","1") = "9"
    & skf18("1","3","3","7","10","1","1") = "9"
    & skf18("1","3","3","7","10","2","1") = "9"
    & skf18("1","3","3","7","10","3","1") = "9"
    & skf18("1","3","3","7","10","4","1") = "9"
    & skf18("1","3","3","7","10","5","1") = "9"
    & skf18("1","3","3","7","10","6","1") = "9"
    & skf18("1","3","3","7","10","7","1") = "9"
    & skf18("1","3","3","7","10","8","1") = "9"
    & skf18("1","3","3","7","10","9","1") = "9"
    & skf18("1","3","3","7","10","10","1") = "9"
    & skf18("1","3","3","8","1","1","1") = "7"
    & skf18("1","3","3","8","1","2","1") = "7"
    & skf18("1","3","3","8","1","3","1") = "7"
    & skf18("1","3","3","8","1","4","1") = "7"
    & skf18("1","3","3","8","1","5","1") = "7"
    & skf18("1","3","3","8","1","6","1") = "7"
    & skf18("1","3","3","8","1","7","1") = "7"
    & skf18("1","3","3","8","1","8","1") = "7"
    & skf18("1","3","3","8","1","9","1") = "8"
    & skf18("1","3","3","8","1","10","1") = "9"
    & skf18("1","3","3","8","2","1","1") = "7"
    & skf18("1","3","3","8","2","2","1") = "7"
    & skf18("1","3","3","8","2","3","1") = "7"
    & skf18("1","3","3","8","2","4","1") = "7"
    & skf18("1","3","3","8","2","5","1") = "7"
    & skf18("1","3","3","8","2","6","1") = "7"
    & skf18("1","3","3","8","2","7","1") = "7"
    & skf18("1","3","3","8","2","8","1") = "7"
    & skf18("1","3","3","8","2","9","1") = "8"
    & skf18("1","3","3","8","2","10","1") = "9"
    & skf18("1","3","3","8","3","1","1") = "7"
    & skf18("1","3","3","8","3","2","1") = "7"
    & skf18("1","3","3","8","3","3","1") = "7"
    & skf18("1","3","3","8","3","4","1") = "7"
    & skf18("1","3","3","8","3","5","1") = "7"
    & skf18("1","3","3","8","3","6","1") = "7"
    & skf18("1","3","3","8","3","7","1") = "7"
    & skf18("1","3","3","8","3","8","1") = "7"
    & skf18("1","3","3","8","3","9","1") = "8"
    & skf18("1","3","3","8","3","10","1") = "9"
    & skf18("1","3","3","8","4","1","1") = "7"
    & skf18("1","3","3","8","4","2","1") = "7"
    & skf18("1","3","3","8","4","3","1") = "7"
    & skf18("1","3","3","8","4","4","1") = "7"
    & skf18("1","3","3","8","4","5","1") = "7"
    & skf18("1","3","3","8","4","6","1") = "7"
    & skf18("1","3","3","8","4","7","1") = "7"
    & skf18("1","3","3","8","4","8","1") = "7"
    & skf18("1","3","3","8","4","9","1") = "8"
    & skf18("1","3","3","8","4","10","1") = "9"
    & skf18("1","3","3","8","5","1","1") = "7"
    & skf18("1","3","3","8","5","2","1") = "7"
    & skf18("1","3","3","8","5","3","1") = "7"
    & skf18("1","3","3","8","5","4","1") = "7"
    & skf18("1","3","3","8","5","5","1") = "7"
    & skf18("1","3","3","8","5","6","1") = "7"
    & skf18("1","3","3","8","5","7","1") = "7"
    & skf18("1","3","3","8","5","8","1") = "7"
    & skf18("1","3","3","8","5","9","1") = "8"
    & skf18("1","3","3","8","5","10","1") = "9"
    & skf18("1","3","3","8","6","1","1") = "7"
    & skf18("1","3","3","8","6","2","1") = "7"
    & skf18("1","3","3","8","6","3","1") = "7"
    & skf18("1","3","3","8","6","4","1") = "7"
    & skf18("1","3","3","8","6","5","1") = "7"
    & skf18("1","3","3","8","6","6","1") = "7"
    & skf18("1","3","3","8","6","7","1") = "7"
    & skf18("1","3","3","8","6","8","1") = "7"
    & skf18("1","3","3","8","6","9","1") = "8"
    & skf18("1","3","3","8","6","10","1") = "9"
    & skf18("1","3","3","8","7","1","1") = "7"
    & skf18("1","3","3","8","7","2","1") = "7"
    & skf18("1","3","3","8","7","3","1") = "7"
    & skf18("1","3","3","8","7","4","1") = "7"
    & skf18("1","3","3","8","7","5","1") = "7"
    & skf18("1","3","3","8","7","6","1") = "7"
    & skf18("1","3","3","8","7","7","1") = "7"
    & skf18("1","3","3","8","7","8","1") = "7"
    & skf18("1","3","3","8","7","9","1") = "8"
    & skf18("1","3","3","8","7","10","1") = "9"
    & skf18("1","3","3","8","8","1","1") = "7"
    & skf18("1","3","3","8","8","2","1") = "7"
    & skf18("1","3","3","8","8","3","1") = "7"
    & skf18("1","3","3","8","8","4","1") = "7"
    & skf18("1","3","3","8","8","5","1") = "7"
    & skf18("1","3","3","8","8","6","1") = "7"
    & skf18("1","3","3","8","8","7","1") = "7"
    & skf18("1","3","3","8","8","8","1") = "7"
    & skf18("1","3","3","8","8","9","1") = "8"
    & skf18("1","3","3","8","8","10","1") = "9"
    & skf18("1","3","3","8","9","1","1") = "8"
    & skf18("1","3","3","8","9","2","1") = "8"
    & skf18("1","3","3","8","9","3","1") = "8"
    & skf18("1","3","3","8","9","4","1") = "8"
    & skf18("1","3","3","8","9","5","1") = "8"
    & skf18("1","3","3","8","9","6","1") = "8"
    & skf18("1","3","3","8","9","7","1") = "8"
    & skf18("1","3","3","8","9","8","1") = "8"
    & skf18("1","3","3","8","9","9","1") = "8"
    & skf18("1","3","3","8","9","10","1") = "9"
    & skf18("1","3","3","8","10","1","1") = "9"
    & skf18("1","3","3","8","10","2","1") = "9"
    & skf18("1","3","3","8","10","3","1") = "9"
    & skf18("1","3","3","8","10","4","1") = "9"
    & skf18("1","3","3","8","10","5","1") = "9"
    & skf18("1","3","3","8","10","6","1") = "9"
    & skf18("1","3","3","8","10","7","1") = "9"
    & skf18("1","3","3","8","10","8","1") = "9"
    & skf18("1","3","3","8","10","9","1") = "9"
    & skf18("1","3","3","8","10","10","1") = "9"
    & skf18("1","3","3","9","1","1","1") = "8"
    & skf18("1","3","3","9","1","2","1") = "8"
    & skf18("1","3","3","9","1","3","1") = "8"
    & skf18("1","3","3","9","1","4","1") = "8"
    & skf18("1","3","3","9","1","5","1") = "8"
    & skf18("1","3","3","9","1","6","1") = "8"
    & skf18("1","3","3","9","1","7","1") = "8"
    & skf18("1","3","3","9","1","8","1") = "8"
    & skf18("1","3","3","9","1","9","1") = "8"
    & skf18("1","3","3","9","1","10","1") = "9"
    & skf18("1","3","3","9","2","1","1") = "8"
    & skf18("1","3","3","9","2","2","1") = "8"
    & skf18("1","3","3","9","2","3","1") = "8"
    & skf18("1","3","3","9","2","4","1") = "8"
    & skf18("1","3","3","9","2","5","1") = "8"
    & skf18("1","3","3","9","2","6","1") = "8"
    & skf18("1","3","3","9","2","7","1") = "8"
    & skf18("1","3","3","9","2","8","1") = "8"
    & skf18("1","3","3","9","2","9","1") = "8"
    & skf18("1","3","3","9","2","10","1") = "9"
    & skf18("1","3","3","9","3","1","1") = "8"
    & skf18("1","3","3","9","3","2","1") = "8"
    & skf18("1","3","3","9","3","3","1") = "8"
    & skf18("1","3","3","9","3","4","1") = "8"
    & skf18("1","3","3","9","3","5","1") = "8"
    & skf18("1","3","3","9","3","6","1") = "8"
    & skf18("1","3","3","9","3","7","1") = "8"
    & skf18("1","3","3","9","3","8","1") = "8"
    & skf18("1","3","3","9","3","9","1") = "8"
    & skf18("1","3","3","9","3","10","1") = "9"
    & skf18("1","3","3","9","4","1","1") = "8"
    & skf18("1","3","3","9","4","2","1") = "8"
    & skf18("1","3","3","9","4","3","1") = "8"
    & skf18("1","3","3","9","4","4","1") = "8"
    & skf18("1","3","3","9","4","5","1") = "8"
    & skf18("1","3","3","9","4","6","1") = "8"
    & skf18("1","3","3","9","4","7","1") = "8"
    & skf18("1","3","3","9","4","8","1") = "8"
    & skf18("1","3","3","9","4","9","1") = "8"
    & skf18("1","3","3","9","4","10","1") = "9"
    & skf18("1","3","3","9","5","1","1") = "8"
    & skf18("1","3","3","9","5","2","1") = "8"
    & skf18("1","3","3","9","5","3","1") = "8"
    & skf18("1","3","3","9","5","4","1") = "8"
    & skf18("1","3","3","9","5","5","1") = "8"
    & skf18("1","3","3","9","5","6","1") = "8"
    & skf18("1","3","3","9","5","7","1") = "8"
    & skf18("1","3","3","9","5","8","1") = "8"
    & skf18("1","3","3","9","5","9","1") = "8"
    & skf18("1","3","3","9","5","10","1") = "9"
    & skf18("1","3","3","9","6","1","1") = "8"
    & skf18("1","3","3","9","6","2","1") = "8"
    & skf18("1","3","3","9","6","3","1") = "8"
    & skf18("1","3","3","9","6","4","1") = "8"
    & skf18("1","3","3","9","6","5","1") = "8"
    & skf18("1","3","3","9","6","6","1") = "8"
    & skf18("1","3","3","9","6","7","1") = "8"
    & skf18("1","3","3","9","6","8","1") = "8"
    & skf18("1","3","3","9","6","9","1") = "8"
    & skf18("1","3","3","9","6","10","1") = "9"
    & skf18("1","3","3","9","7","1","1") = "8"
    & skf18("1","3","3","9","7","2","1") = "8"
    & skf18("1","3","3","9","7","3","1") = "8"
    & skf18("1","3","3","9","7","4","1") = "8"
    & skf18("1","3","3","9","7","5","1") = "8"
    & skf18("1","3","3","9","7","6","1") = "8"
    & skf18("1","3","3","9","7","7","1") = "8"
    & skf18("1","3","3","9","7","8","1") = "8"
    & skf18("1","3","3","9","7","9","1") = "8"
    & skf18("1","3","3","9","7","10","1") = "9"
    & skf18("1","3","3","9","8","1","1") = "8"
    & skf18("1","3","3","9","8","2","1") = "8"
    & skf18("1","3","3","9","8","3","1") = "8"
    & skf18("1","3","3","9","8","4","1") = "8"
    & skf18("1","3","3","9","8","5","1") = "8"
    & skf18("1","3","3","9","8","6","1") = "8"
    & skf18("1","3","3","9","8","7","1") = "8"
    & skf18("1","3","3","9","8","8","1") = "8"
    & skf18("1","3","3","9","8","9","1") = "8"
    & skf18("1","3","3","9","8","10","1") = "9"
    & skf18("1","3","3","9","9","1","1") = "8"
    & skf18("1","3","3","9","9","2","1") = "8"
    & skf18("1","3","3","9","9","3","1") = "8"
    & skf18("1","3","3","9","9","4","1") = "8"
    & skf18("1","3","3","9","9","5","1") = "8"
    & skf18("1","3","3","9","9","6","1") = "8"
    & skf18("1","3","3","9","9","7","1") = "8"
    & skf18("1","3","3","9","9","8","1") = "8"
    & skf18("1","3","3","9","9","9","1") = "8"
    & skf18("1","3","3","9","9","10","1") = "9"
    & skf18("1","3","3","9","10","1","1") = "9"
    & skf18("1","3","3","9","10","2","1") = "9"
    & skf18("1","3","3","9","10","3","1") = "9"
    & skf18("1","3","3","9","10","4","1") = "9"
    & skf18("1","3","3","9","10","5","1") = "9"
    & skf18("1","3","3","9","10","6","1") = "9"
    & skf18("1","3","3","9","10","7","1") = "9"
    & skf18("1","3","3","9","10","8","1") = "9"
    & skf18("1","3","3","9","10","9","1") = "9"
    & skf18("1","3","3","9","10","10","1") = "9"
    & skf18("1","3","3","10","1","1","1") = "9"
    & skf18("1","3","3","10","1","2","1") = "9"
    & skf18("1","3","3","10","1","3","1") = "9"
    & skf18("1","3","3","10","1","4","1") = "9"
    & skf18("1","3","3","10","1","5","1") = "9"
    & skf18("1","3","3","10","1","6","1") = "9"
    & skf18("1","3","3","10","1","7","1") = "9"
    & skf18("1","3","3","10","1","8","1") = "9"
    & skf18("1","3","3","10","1","9","1") = "9"
    & skf18("1","3","3","10","1","10","1") = "9"
    & skf18("1","3","3","10","2","1","1") = "9"
    & skf18("1","3","3","10","2","2","1") = "9"
    & skf18("1","3","3","10","2","3","1") = "9"
    & skf18("1","3","3","10","2","4","1") = "9"
    & skf18("1","3","3","10","2","5","1") = "9"
    & skf18("1","3","3","10","2","6","1") = "9"
    & skf18("1","3","3","10","2","7","1") = "9"
    & skf18("1","3","3","10","2","8","1") = "9"
    & skf18("1","3","3","10","2","9","1") = "9"
    & skf18("1","3","3","10","2","10","1") = "9"
    & skf18("1","3","3","10","3","1","1") = "9"
    & skf18("1","3","3","10","3","2","1") = "9"
    & skf18("1","3","3","10","3","3","1") = "9"
    & skf18("1","3","3","10","3","4","1") = "9"
    & skf18("1","3","3","10","3","5","1") = "9"
    & skf18("1","3","3","10","3","6","1") = "9"
    & skf18("1","3","3","10","3","7","1") = "9"
    & skf18("1","3","3","10","3","8","1") = "9"
    & skf18("1","3","3","10","3","9","1") = "9"
    & skf18("1","3","3","10","3","10","1") = "9"
    & skf18("1","3","3","10","4","1","1") = "9"
    & skf18("1","3","3","10","4","2","1") = "9"
    & skf18("1","3","3","10","4","3","1") = "9"
    & skf18("1","3","3","10","4","4","1") = "9"
    & skf18("1","3","3","10","4","5","1") = "9"
    & skf18("1","3","3","10","4","6","1") = "9"
    & skf18("1","3","3","10","4","7","1") = "9"
    & skf18("1","3","3","10","4","8","1") = "9"
    & skf18("1","3","3","10","4","9","1") = "9"
    & skf18("1","3","3","10","4","10","1") = "9"
    & skf18("1","3","3","10","5","1","1") = "9"
    & skf18("1","3","3","10","5","2","1") = "9"
    & skf18("1","3","3","10","5","3","1") = "9"
    & skf18("1","3","3","10","5","4","1") = "9"
    & skf18("1","3","3","10","5","5","1") = "9"
    & skf18("1","3","3","10","5","6","1") = "9"
    & skf18("1","3","3","10","5","7","1") = "9"
    & skf18("1","3","3","10","5","8","1") = "9"
    & skf18("1","3","3","10","5","9","1") = "9"
    & skf18("1","3","3","10","5","10","1") = "9"
    & skf18("1","3","3","10","6","1","1") = "9"
    & skf18("1","3","3","10","6","2","1") = "9"
    & skf18("1","3","3","10","6","3","1") = "9"
    & skf18("1","3","3","10","6","4","1") = "9"
    & skf18("1","3","3","10","6","5","1") = "9"
    & skf18("1","3","3","10","6","6","1") = "9"
    & skf18("1","3","3","10","6","7","1") = "9"
    & skf18("1","3","3","10","6","8","1") = "9"
    & skf18("1","3","3","10","6","9","1") = "9"
    & skf18("1","3","3","10","6","10","1") = "9"
    & skf18("1","3","3","10","7","1","1") = "9"
    & skf18("1","3","3","10","7","2","1") = "9"
    & skf18("1","3","3","10","7","3","1") = "9"
    & skf18("1","3","3","10","7","4","1") = "9"
    & skf18("1","3","3","10","7","5","1") = "9"
    & skf18("1","3","3","10","7","6","1") = "9"
    & skf18("1","3","3","10","7","7","1") = "9"
    & skf18("1","3","3","10","7","8","1") = "9"
    & skf18("1","3","3","10","7","9","1") = "9"
    & skf18("1","3","3","10","7","10","1") = "9"
    & skf18("1","3","3","10","8","1","1") = "9"
    & skf18("1","3","3","10","8","2","1") = "9"
    & skf18("1","3","3","10","8","3","1") = "9"
    & skf18("1","3","3","10","8","4","1") = "9"
    & skf18("1","3","3","10","8","5","1") = "9"
    & skf18("1","3","3","10","8","6","1") = "9"
    & skf18("1","3","3","10","8","7","1") = "9"
    & skf18("1","3","3","10","8","8","1") = "9"
    & skf18("1","3","3","10","8","9","1") = "9"
    & skf18("1","3","3","10","8","10","1") = "9"
    & skf18("1","3","3","10","9","1","1") = "9"
    & skf18("1","3","3","10","9","2","1") = "9"
    & skf18("1","3","3","10","9","3","1") = "9"
    & skf18("1","3","3","10","9","4","1") = "9"
    & skf18("1","3","3","10","9","5","1") = "9"
    & skf18("1","3","3","10","9","6","1") = "9"
    & skf18("1","3","3","10","9","7","1") = "9"
    & skf18("1","3","3","10","9","8","1") = "9"
    & skf18("1","3","3","10","9","9","1") = "9"
    & skf18("1","3","3","10","9","10","1") = "9"
    & skf18("1","3","3","10","10","1","1") = "9"
    & skf18("1","3","3","10","10","2","1") = "9"
    & skf18("1","3","3","10","10","3","1") = "9"
    & skf18("1","3","3","10","10","4","1") = "9"
    & skf18("1","3","3","10","10","5","1") = "9"
    & skf18("1","3","3","10","10","6","1") = "9"
    & skf18("1","3","3","10","10","7","1") = "9"
    & skf18("1","3","3","10","10","8","1") = "9"
    & skf18("1","3","3","10","10","9","1") = "9"
    & skf18("1","3","3","10","10","10","1") = "9"
    & skf18("1","3","4","1","1","1","1") = "3"
    & skf18("1","3","4","1","1","2","1") = "3"
    & skf18("1","3","4","1","1","3","1") = "3"
    & skf18("1","3","4","1","1","4","1") = "3"
    & skf18("1","3","4","1","1","5","1") = "4"
    & skf18("1","3","4","1","1","6","1") = "5"
    & skf18("1","3","4","1","1","7","1") = "6"
    & skf18("1","3","4","1","1","8","1") = "7"
    & skf18("1","3","4","1","1","9","1") = "8"
    & skf18("1","3","4","1","1","10","1") = "9"
    & skf18("1","3","4","1","2","1","1") = "3"
    & skf18("1","3","4","1","2","2","1") = "3"
    & skf18("1","3","4","1","2","3","1") = "3"
    & skf18("1","3","4","1","2","4","1") = "3"
    & skf18("1","3","4","1","2","5","1") = "4"
    & skf18("1","3","4","1","2","6","1") = "5"
    & skf18("1","3","4","1","2","7","1") = "6"
    & skf18("1","3","4","1","2","8","1") = "7"
    & skf18("1","3","4","1","2","9","1") = "8"
    & skf18("1","3","4","1","2","10","1") = "9"
    & skf18("1","3","4","1","3","1","1") = "3"
    & skf18("1","3","4","1","3","2","1") = "3"
    & skf18("1","3","4","1","3","3","1") = "3"
    & skf18("1","3","4","1","3","4","1") = "3"
    & skf18("1","3","4","1","3","5","1") = "4"
    & skf18("1","3","4","1","3","6","1") = "5"
    & skf18("1","3","4","1","3","7","1") = "6"
    & skf18("1","3","4","1","3","8","1") = "7"
    & skf18("1","3","4","1","3","9","1") = "8"
    & skf18("1","3","4","1","3","10","1") = "9"
    & skf18("1","3","4","1","4","1","1") = "3"
    & skf18("1","3","4","1","4","2","1") = "3"
    & skf18("1","3","4","1","4","3","1") = "3"
    & skf18("1","3","4","1","4","4","1") = "3"
    & skf18("1","3","4","1","4","5","1") = "4"
    & skf18("1","3","4","1","4","6","1") = "5"
    & skf18("1","3","4","1","4","7","1") = "6"
    & skf18("1","3","4","1","4","8","1") = "7"
    & skf18("1","3","4","1","4","9","1") = "8"
    & skf18("1","3","4","1","4","10","1") = "9"
    & skf18("1","3","4","1","5","1","1") = "4"
    & skf18("1","3","4","1","5","2","1") = "4"
    & skf18("1","3","4","1","5","3","1") = "4"
    & skf18("1","3","4","1","5","4","1") = "4"
    & skf18("1","3","4","1","5","5","1") = "4"
    & skf18("1","3","4","1","5","6","1") = "5"
    & skf18("1","3","4","1","5","7","1") = "6"
    & skf18("1","3","4","1","5","8","1") = "7"
    & skf18("1","3","4","1","5","9","1") = "8"
    & skf18("1","3","4","1","5","10","1") = "9"
    & skf18("1","3","4","1","6","1","1") = "5"
    & skf18("1","3","4","1","6","2","1") = "5"
    & skf18("1","3","4","1","6","3","1") = "5"
    & skf18("1","3","4","1","6","4","1") = "5"
    & skf18("1","3","4","1","6","5","1") = "5"
    & skf18("1","3","4","1","6","6","1") = "5"
    & skf18("1","3","4","1","6","7","1") = "6"
    & skf18("1","3","4","1","6","8","1") = "7"
    & skf18("1","3","4","1","6","9","1") = "8"
    & skf18("1","3","4","1","6","10","1") = "9"
    & skf18("1","3","4","1","7","1","1") = "6"
    & skf18("1","3","4","1","7","2","1") = "6"
    & skf18("1","3","4","1","7","3","1") = "6"
    & skf18("1","3","4","1","7","4","1") = "6"
    & skf18("1","3","4","1","7","5","1") = "6"
    & skf18("1","3","4","1","7","6","1") = "6"
    & skf18("1","3","4","1","7","7","1") = "6"
    & skf18("1","3","4","1","7","8","1") = "7"
    & skf18("1","3","4","1","7","9","1") = "8"
    & skf18("1","3","4","1","7","10","1") = "9"
    & skf18("1","3","4","1","8","1","1") = "7"
    & skf18("1","3","4","1","8","2","1") = "7"
    & skf18("1","3","4","1","8","3","1") = "7"
    & skf18("1","3","4","1","8","4","1") = "7"
    & skf18("1","3","4","1","8","5","1") = "7"
    & skf18("1","3","4","1","8","6","1") = "7"
    & skf18("1","3","4","1","8","7","1") = "7"
    & skf18("1","3","4","1","8","8","1") = "7"
    & skf18("1","3","4","1","8","9","1") = "8"
    & skf18("1","3","4","1","8","10","1") = "9"
    & skf18("1","3","4","1","9","1","1") = "8"
    & skf18("1","3","4","1","9","2","1") = "8"
    & skf18("1","3","4","1","9","3","1") = "8"
    & skf18("1","3","4","1","9","4","1") = "8"
    & skf18("1","3","4","1","9","5","1") = "8"
    & skf18("1","3","4","1","9","6","1") = "8"
    & skf18("1","3","4","1","9","7","1") = "8"
    & skf18("1","3","4","1","9","8","1") = "8"
    & skf18("1","3","4","1","9","9","1") = "8"
    & skf18("1","3","4","1","9","10","1") = "9"
    & skf18("1","3","4","1","10","1","1") = "9"
    & skf18("1","3","4","1","10","2","1") = "9"
    & skf18("1","3","4","1","10","3","1") = "9"
    & skf18("1","3","4","1","10","4","1") = "9"
    & skf18("1","3","4","1","10","5","1") = "9"
    & skf18("1","3","4","1","10","6","1") = "9"
    & skf18("1","3","4","1","10","7","1") = "9"
    & skf18("1","3","4","1","10","8","1") = "9"
    & skf18("1","3","4","1","10","9","1") = "9"
    & skf18("1","3","4","1","10","10","1") = "9"
    & skf18("1","3","4","2","1","1","1") = "3"
    & skf18("1","3","4","2","1","2","1") = "3"
    & skf18("1","3","4","2","1","3","1") = "3"
    & skf18("1","3","4","2","1","4","1") = "3"
    & skf18("1","3","4","2","1","5","1") = "4"
    & skf18("1","3","4","2","1","6","1") = "5"
    & skf18("1","3","4","2","1","7","1") = "6"
    & skf18("1","3","4","2","1","8","1") = "7"
    & skf18("1","3","4","2","1","9","1") = "8"
    & skf18("1","3","4","2","1","10","1") = "9"
    & skf18("1","3","4","2","2","1","1") = "3"
    & skf18("1","3","4","2","2","2","1") = "3"
    & skf18("1","3","4","2","2","3","1") = "3"
    & skf18("1","3","4","2","2","4","1") = "3"
    & skf18("1","3","4","2","2","5","1") = "4"
    & skf18("1","3","4","2","2","6","1") = "5"
    & skf18("1","3","4","2","2","7","1") = "6"
    & skf18("1","3","4","2","2","8","1") = "7"
    & skf18("1","3","4","2","2","9","1") = "8"
    & skf18("1","3","4","2","2","10","1") = "9"
    & skf18("1","3","4","2","3","1","1") = "3"
    & skf18("1","3","4","2","3","2","1") = "3"
    & skf18("1","3","4","2","3","3","1") = "3"
    & skf18("1","3","4","2","3","4","1") = "3"
    & skf18("1","3","4","2","3","5","1") = "4"
    & skf18("1","3","4","2","3","6","1") = "5"
    & skf18("1","3","4","2","3","7","1") = "6"
    & skf18("1","3","4","2","3","8","1") = "7"
    & skf18("1","3","4","2","3","9","1") = "8"
    & skf18("1","3","4","2","3","10","1") = "9"
    & skf18("1","3","4","2","4","1","1") = "3"
    & skf18("1","3","4","2","4","2","1") = "3"
    & skf18("1","3","4","2","4","3","1") = "3"
    & skf18("1","3","4","2","4","4","1") = "3"
    & skf18("1","3","4","2","4","5","1") = "4"
    & skf18("1","3","4","2","4","6","1") = "5"
    & skf18("1","3","4","2","4","7","1") = "6"
    & skf18("1","3","4","2","4","8","1") = "7"
    & skf18("1","3","4","2","4","9","1") = "8"
    & skf18("1","3","4","2","4","10","1") = "9"
    & skf18("1","3","4","2","5","1","1") = "4"
    & skf18("1","3","4","2","5","2","1") = "4"
    & skf18("1","3","4","2","5","3","1") = "4"
    & skf18("1","3","4","2","5","4","1") = "4"
    & skf18("1","3","4","2","5","5","1") = "4"
    & skf18("1","3","4","2","5","6","1") = "5"
    & skf18("1","3","4","2","5","7","1") = "6"
    & skf18("1","3","4","2","5","8","1") = "7"
    & skf18("1","3","4","2","5","9","1") = "8"
    & skf18("1","3","4","2","5","10","1") = "9"
    & skf18("1","3","4","2","6","1","1") = "5"
    & skf18("1","3","4","2","6","2","1") = "5"
    & skf18("1","3","4","2","6","3","1") = "5"
    & skf18("1","3","4","2","6","4","1") = "5"
    & skf18("1","3","4","2","6","5","1") = "5"
    & skf18("1","3","4","2","6","6","1") = "5"
    & skf18("1","3","4","2","6","7","1") = "6"
    & skf18("1","3","4","2","6","8","1") = "7"
    & skf18("1","3","4","2","6","9","1") = "8"
    & skf18("1","3","4","2","6","10","1") = "9"
    & skf18("1","3","4","2","7","1","1") = "6"
    & skf18("1","3","4","2","7","2","1") = "6"
    & skf18("1","3","4","2","7","3","1") = "6"
    & skf18("1","3","4","2","7","4","1") = "6"
    & skf18("1","3","4","2","7","5","1") = "6"
    & skf18("1","3","4","2","7","6","1") = "6"
    & skf18("1","3","4","2","7","7","1") = "6"
    & skf18("1","3","4","2","7","8","1") = "7"
    & skf18("1","3","4","2","7","9","1") = "8"
    & skf18("1","3","4","2","7","10","1") = "9"
    & skf18("1","3","4","2","8","1","1") = "7"
    & skf18("1","3","4","2","8","2","1") = "7"
    & skf18("1","3","4","2","8","3","1") = "7"
    & skf18("1","3","4","2","8","4","1") = "7"
    & skf18("1","3","4","2","8","5","1") = "7"
    & skf18("1","3","4","2","8","6","1") = "7"
    & skf18("1","3","4","2","8","7","1") = "7"
    & skf18("1","3","4","2","8","8","1") = "7"
    & skf18("1","3","4","2","8","9","1") = "8"
    & skf18("1","3","4","2","8","10","1") = "9"
    & skf18("1","3","4","2","9","1","1") = "8"
    & skf18("1","3","4","2","9","2","1") = "8"
    & skf18("1","3","4","2","9","3","1") = "8"
    & skf18("1","3","4","2","9","4","1") = "8"
    & skf18("1","3","4","2","9","5","1") = "8"
    & skf18("1","3","4","2","9","6","1") = "8"
    & skf18("1","3","4","2","9","7","1") = "8"
    & skf18("1","3","4","2","9","8","1") = "8"
    & skf18("1","3","4","2","9","9","1") = "8"
    & skf18("1","3","4","2","9","10","1") = "9"
    & skf18("1","3","4","2","10","1","1") = "9"
    & skf18("1","3","4","2","10","2","1") = "9"
    & skf18("1","3","4","2","10","3","1") = "9"
    & skf18("1","3","4","2","10","4","1") = "9"
    & skf18("1","3","4","2","10","5","1") = "9"
    & skf18("1","3","4","2","10","6","1") = "9"
    & skf18("1","3","4","2","10","7","1") = "9"
    & skf18("1","3","4","2","10","8","1") = "9"
    & skf18("1","3","4","2","10","9","1") = "9"
    & skf18("1","3","4","2","10","10","1") = "9"
    & skf18("1","3","4","3","1","1","1") = "2"
    & skf18("1","3","4","3","1","2","1") = "3"
    & skf18("1","3","4","3","1","3","1") = "3"
    & skf18("1","3","4","3","1","4","1") = "3"
    & skf18("1","3","4","3","1","5","1") = "4"
    & skf18("1","3","4","3","1","6","1") = "5"
    & skf18("1","3","4","3","1","7","1") = "6"
    & skf18("1","3","4","3","1","8","1") = "7"
    & skf18("1","3","4","3","1","9","1") = "8"
    & skf18("1","3","4","3","1","10","1") = "9"
    & skf18("1","3","4","3","2","1","1") = "3"
    & skf18("1","3","4","3","2","2","1") = "3"
    & skf18("1","3","4","3","2","3","1") = "3"
    & skf18("1","3","4","3","2","4","1") = "3"
    & skf18("1","3","4","3","2","5","1") = "4"
    & skf18("1","3","4","3","2","6","1") = "5"
    & skf18("1","3","4","3","2","7","1") = "6"
    & skf18("1","3","4","3","2","8","1") = "7"
    & skf18("1","3","4","3","2","9","1") = "8"
    & skf18("1","3","4","3","2","10","1") = "9"
    & skf18("1","3","4","3","3","1","1") = "3"
    & skf18("1","3","4","3","3","2","1") = "3"
    & skf18("1","3","4","3","3","3","1") = "3"
    & skf18("1","3","4","3","3","4","1") = "3"
    & skf18("1","3","4","3","3","5","1") = "4"
    & skf18("1","3","4","3","3","6","1") = "5"
    & skf18("1","3","4","3","3","7","1") = "6"
    & skf18("1","3","4","3","3","8","1") = "7"
    & skf18("1","3","4","3","3","9","1") = "8"
    & skf18("1","3","4","3","3","10","1") = "9"
    & skf18("1","3","4","3","4","1","1") = "3"
    & skf18("1","3","4","3","4","2","1") = "3"
    & skf18("1","3","4","3","4","3","1") = "3"
    & skf18("1","3","4","3","4","4","1") = "3"
    & skf18("1","3","4","3","4","5","1") = "4"
    & skf18("1","3","4","3","4","6","1") = "5"
    & skf18("1","3","4","3","4","7","1") = "6"
    & skf18("1","3","4","3","4","8","1") = "7"
    & skf18("1","3","4","3","4","9","1") = "8"
    & skf18("1","3","4","3","4","10","1") = "9"
    & skf18("1","3","4","3","5","1","1") = "4"
    & skf18("1","3","4","3","5","2","1") = "4"
    & skf18("1","3","4","3","5","3","1") = "4"
    & skf18("1","3","4","3","5","4","1") = "4"
    & skf18("1","3","4","3","5","5","1") = "4"
    & skf18("1","3","4","3","5","6","1") = "5"
    & skf18("1","3","4","3","5","7","1") = "6"
    & skf18("1","3","4","3","5","8","1") = "7"
    & skf18("1","3","4","3","5","9","1") = "8"
    & skf18("1","3","4","3","5","10","1") = "9"
    & skf18("1","3","4","3","6","1","1") = "5"
    & skf18("1","3","4","3","6","2","1") = "5"
    & skf18("1","3","4","3","6","3","1") = "5"
    & skf18("1","3","4","3","6","4","1") = "5"
    & skf18("1","3","4","3","6","5","1") = "5"
    & skf18("1","3","4","3","6","6","1") = "5"
    & skf18("1","3","4","3","6","7","1") = "6"
    & skf18("1","3","4","3","6","8","1") = "7"
    & skf18("1","3","4","3","6","9","1") = "8"
    & skf18("1","3","4","3","6","10","1") = "9"
    & skf18("1","3","4","3","7","1","1") = "6"
    & skf18("1","3","4","3","7","2","1") = "6"
    & skf18("1","3","4","3","7","3","1") = "6"
    & skf18("1","3","4","3","7","4","1") = "6"
    & skf18("1","3","4","3","7","5","1") = "6"
    & skf18("1","3","4","3","7","6","1") = "6"
    & skf18("1","3","4","3","7","7","1") = "6"
    & skf18("1","3","4","3","7","8","1") = "7"
    & skf18("1","3","4","3","7","9","1") = "8"
    & skf18("1","3","4","3","7","10","1") = "9"
    & skf18("1","3","4","3","8","1","1") = "7"
    & skf18("1","3","4","3","8","2","1") = "7"
    & skf18("1","3","4","3","8","3","1") = "7"
    & skf18("1","3","4","3","8","4","1") = "7"
    & skf18("1","3","4","3","8","5","1") = "7"
    & skf18("1","3","4","3","8","6","1") = "7"
    & skf18("1","3","4","3","8","7","1") = "7"
    & skf18("1","3","4","3","8","8","1") = "7"
    & skf18("1","3","4","3","8","9","1") = "8"
    & skf18("1","3","4","3","8","10","1") = "9"
    & skf18("1","3","4","3","9","1","1") = "8"
    & skf18("1","3","4","3","9","2","1") = "8"
    & skf18("1","3","4","3","9","3","1") = "8"
    & skf18("1","3","4","3","9","4","1") = "8"
    & skf18("1","3","4","3","9","5","1") = "8"
    & skf18("1","3","4","3","9","6","1") = "8"
    & skf18("1","3","4","3","9","7","1") = "8"
    & skf18("1","3","4","3","9","8","1") = "8"
    & skf18("1","3","4","3","9","9","1") = "8"
    & skf18("1","3","4","3","9","10","1") = "9"
    & skf18("1","3","4","3","10","1","1") = "9"
    & skf18("1","3","4","3","10","2","1") = "9"
    & skf18("1","3","4","3","10","3","1") = "9"
    & skf18("1","3","4","3","10","4","1") = "9"
    & skf18("1","3","4","3","10","5","1") = "9"
    & skf18("1","3","4","3","10","6","1") = "9"
    & skf18("1","3","4","3","10","7","1") = "9"
    & skf18("1","3","4","3","10","8","1") = "9"
    & skf18("1","3","4","3","10","9","1") = "9"
    & skf18("1","3","4","3","10","10","1") = "9"
    & skf18("1","3","4","4","1","1","1") = "3"
    & skf18("1","3","4","4","1","2","1") = "3"
    & skf18("1","3","4","4","1","3","1") = "3"
    & skf18("1","3","4","4","1","4","1") = "3"
    & skf18("1","3","4","4","1","5","1") = "4"
    & skf18("1","3","4","4","1","6","1") = "5"
    & skf18("1","3","4","4","1","7","1") = "6"
    & skf18("1","3","4","4","1","8","1") = "7"
    & skf18("1","3","4","4","1","9","1") = "8"
    & skf18("1","3","4","4","1","10","1") = "9"
    & skf18("1","3","4","4","2","1","1") = "3"
    & skf18("1","3","4","4","2","2","1") = "3"
    & skf18("1","3","4","4","2","3","1") = "3"
    & skf18("1","3","4","4","2","4","1") = "3"
    & skf18("1","3","4","4","2","5","1") = "4"
    & skf18("1","3","4","4","2","6","1") = "5"
    & skf18("1","3","4","4","2","7","1") = "6"
    & skf18("1","3","4","4","2","8","1") = "7"
    & skf18("1","3","4","4","2","9","1") = "8"
    & skf18("1","3","4","4","2","10","1") = "9"
    & skf18("1","3","4","4","3","1","1") = "3"
    & skf18("1","3","4","4","3","2","1") = "3"
    & skf18("1","3","4","4","3","3","1") = "3"
    & skf18("1","3","4","4","3","4","1") = "3"
    & skf18("1","3","4","4","3","5","1") = "4"
    & skf18("1","3","4","4","3","6","1") = "5"
    & skf18("1","3","4","4","3","7","1") = "6"
    & skf18("1","3","4","4","3","8","1") = "7"
    & skf18("1","3","4","4","3","9","1") = "8"
    & skf18("1","3","4","4","3","10","1") = "9"
    & skf18("1","3","4","4","4","1","1") = "3"
    & skf18("1","3","4","4","4","2","1") = "3"
    & skf18("1","3","4","4","4","3","1") = "3"
    & skf18("1","3","4","4","4","4","1") = "3"
    & skf18("1","3","4","4","4","5","1") = "4"
    & skf18("1","3","4","4","4","6","1") = "5"
    & skf18("1","3","4","4","4","7","1") = "6"
    & skf18("1","3","4","4","4","8","1") = "7"
    & skf18("1","3","4","4","4","9","1") = "8"
    & skf18("1","3","4","4","4","10","1") = "9"
    & skf18("1","3","4","4","5","1","1") = "4"
    & skf18("1","3","4","4","5","2","1") = "4"
    & skf18("1","3","4","4","5","3","1") = "4"
    & skf18("1","3","4","4","5","4","1") = "4"
    & skf18("1","3","4","4","5","5","1") = "4"
    & skf18("1","3","4","4","5","6","1") = "5"
    & skf18("1","3","4","4","5","7","1") = "6"
    & skf18("1","3","4","4","5","8","1") = "7"
    & skf18("1","3","4","4","5","9","1") = "8"
    & skf18("1","3","4","4","5","10","1") = "9"
    & skf18("1","3","4","4","6","1","1") = "5"
    & skf18("1","3","4","4","6","2","1") = "5"
    & skf18("1","3","4","4","6","3","1") = "5"
    & skf18("1","3","4","4","6","4","1") = "5"
    & skf18("1","3","4","4","6","5","1") = "5"
    & skf18("1","3","4","4","6","6","1") = "5"
    & skf18("1","3","4","4","6","7","1") = "6"
    & skf18("1","3","4","4","6","8","1") = "7"
    & skf18("1","3","4","4","6","9","1") = "8"
    & skf18("1","3","4","4","6","10","1") = "9"
    & skf18("1","3","4","4","7","1","1") = "6"
    & skf18("1","3","4","4","7","2","1") = "6"
    & skf18("1","3","4","4","7","3","1") = "6"
    & skf18("1","3","4","4","7","4","1") = "6"
    & skf18("1","3","4","4","7","5","1") = "6"
    & skf18("1","3","4","4","7","6","1") = "6"
    & skf18("1","3","4","4","7","7","1") = "6"
    & skf18("1","3","4","4","7","8","1") = "7"
    & skf18("1","3","4","4","7","9","1") = "8"
    & skf18("1","3","4","4","7","10","1") = "9"
    & skf18("1","3","4","4","8","1","1") = "7"
    & skf18("1","3","4","4","8","2","1") = "7"
    & skf18("1","3","4","4","8","3","1") = "7"
    & skf18("1","3","4","4","8","4","1") = "7"
    & skf18("1","3","4","4","8","5","1") = "7"
    & skf18("1","3","4","4","8","6","1") = "7"
    & skf18("1","3","4","4","8","7","1") = "7"
    & skf18("1","3","4","4","8","8","1") = "7"
    & skf18("1","3","4","4","8","9","1") = "8"
    & skf18("1","3","4","4","8","10","1") = "9"
    & skf18("1","3","4","4","9","1","1") = "8"
    & skf18("1","3","4","4","9","2","1") = "8"
    & skf18("1","3","4","4","9","3","1") = "8"
    & skf18("1","3","4","4","9","4","1") = "8"
    & skf18("1","3","4","4","9","5","1") = "8"
    & skf18("1","3","4","4","9","6","1") = "8"
    & skf18("1","3","4","4","9","7","1") = "8"
    & skf18("1","3","4","4","9","8","1") = "8"
    & skf18("1","3","4","4","9","9","1") = "8"
    & skf18("1","3","4","4","9","10","1") = "9"
    & skf18("1","3","4","4","10","1","1") = "9"
    & skf18("1","3","4","4","10","2","1") = "9"
    & skf18("1","3","4","4","10","3","1") = "9"
    & skf18("1","3","4","4","10","4","1") = "9"
    & skf18("1","3","4","4","10","5","1") = "9"
    & skf18("1","3","4","4","10","6","1") = "9"
    & skf18("1","3","4","4","10","7","1") = "9"
    & skf18("1","3","4","4","10","8","1") = "9"
    & skf18("1","3","4","4","10","9","1") = "9"
    & skf18("1","3","4","4","10","10","1") = "9"
    & skf18("1","3","4","5","1","1","1") = "4"
    & skf18("1","3","4","5","1","2","1") = "4"
    & skf18("1","3","4","5","1","3","1") = "4"
    & skf18("1","3","4","5","1","4","1") = "4"
    & skf18("1","3","4","5","1","5","1") = "4"
    & skf18("1","3","4","5","1","6","1") = "5"
    & skf18("1","3","4","5","1","7","1") = "6"
    & skf18("1","3","4","5","1","8","1") = "7"
    & skf18("1","3","4","5","1","9","1") = "8"
    & skf18("1","3","4","5","1","10","1") = "9"
    & skf18("1","3","4","5","2","1","1") = "4"
    & skf18("1","3","4","5","2","2","1") = "4"
    & skf18("1","3","4","5","2","3","1") = "4"
    & skf18("1","3","4","5","2","4","1") = "4"
    & skf18("1","3","4","5","2","5","1") = "4"
    & skf18("1","3","4","5","2","6","1") = "5"
    & skf18("1","3","4","5","2","7","1") = "6"
    & skf18("1","3","4","5","2","8","1") = "7"
    & skf18("1","3","4","5","2","9","1") = "8"
    & skf18("1","3","4","5","2","10","1") = "9"
    & skf18("1","3","4","5","3","1","1") = "4"
    & skf18("1","3","4","5","3","2","1") = "4"
    & skf18("1","3","4","5","3","3","1") = "4"
    & skf18("1","3","4","5","3","4","1") = "4"
    & skf18("1","3","4","5","3","5","1") = "4"
    & skf18("1","3","4","5","3","6","1") = "5"
    & skf18("1","3","4","5","3","7","1") = "6"
    & skf18("1","3","4","5","3","8","1") = "7"
    & skf18("1","3","4","5","3","9","1") = "8"
    & skf18("1","3","4","5","3","10","1") = "9"
    & skf18("1","3","4","5","4","1","1") = "4"
    & skf18("1","3","4","5","4","2","1") = "4"
    & skf18("1","3","4","5","4","3","1") = "4"
    & skf18("1","3","4","5","4","4","1") = "4"
    & skf18("1","3","4","5","4","5","1") = "4"
    & skf18("1","3","4","5","4","6","1") = "5"
    & skf18("1","3","4","5","4","7","1") = "6"
    & skf18("1","3","4","5","4","8","1") = "7"
    & skf18("1","3","4","5","4","9","1") = "8"
    & skf18("1","3","4","5","4","10","1") = "9"
    & skf18("1","3","4","5","5","1","1") = "4"
    & skf18("1","3","4","5","5","2","1") = "4"
    & skf18("1","3","4","5","5","3","1") = "4"
    & skf18("1","3","4","5","5","4","1") = "4"
    & skf18("1","3","4","5","5","5","1") = "4"
    & skf18("1","3","4","5","5","6","1") = "5"
    & skf18("1","3","4","5","5","7","1") = "6"
    & skf18("1","3","4","5","5","8","1") = "7"
    & skf18("1","3","4","5","5","9","1") = "8"
    & skf18("1","3","4","5","5","10","1") = "9"
    & skf18("1","3","4","5","6","1","1") = "5"
    & skf18("1","3","4","5","6","2","1") = "5"
    & skf18("1","3","4","5","6","3","1") = "5"
    & skf18("1","3","4","5","6","4","1") = "5"
    & skf18("1","3","4","5","6","5","1") = "5"
    & skf18("1","3","4","5","6","6","1") = "5"
    & skf18("1","3","4","5","6","7","1") = "6"
    & skf18("1","3","4","5","6","8","1") = "7"
    & skf18("1","3","4","5","6","9","1") = "8"
    & skf18("1","3","4","5","6","10","1") = "9"
    & skf18("1","3","4","5","7","1","1") = "6"
    & skf18("1","3","4","5","7","2","1") = "6"
    & skf18("1","3","4","5","7","3","1") = "6"
    & skf18("1","3","4","5","7","4","1") = "6"
    & skf18("1","3","4","5","7","5","1") = "6"
    & skf18("1","3","4","5","7","6","1") = "6"
    & skf18("1","3","4","5","7","7","1") = "6"
    & skf18("1","3","4","5","7","8","1") = "7"
    & skf18("1","3","4","5","7","9","1") = "8"
    & skf18("1","3","4","5","7","10","1") = "9"
    & skf18("1","3","4","5","8","1","1") = "7"
    & skf18("1","3","4","5","8","2","1") = "7"
    & skf18("1","3","4","5","8","3","1") = "7"
    & skf18("1","3","4","5","8","4","1") = "7"
    & skf18("1","3","4","5","8","5","1") = "7"
    & skf18("1","3","4","5","8","6","1") = "7"
    & skf18("1","3","4","5","8","7","1") = "7"
    & skf18("1","3","4","5","8","8","1") = "7"
    & skf18("1","3","4","5","8","9","1") = "8"
    & skf18("1","3","4","5","8","10","1") = "9"
    & skf18("1","3","4","5","9","1","1") = "8"
    & skf18("1","3","4","5","9","2","1") = "8"
    & skf18("1","3","4","5","9","3","1") = "8"
    & skf18("1","3","4","5","9","4","1") = "8"
    & skf18("1","3","4","5","9","5","1") = "8"
    & skf18("1","3","4","5","9","6","1") = "8"
    & skf18("1","3","4","5","9","7","1") = "8"
    & skf18("1","3","4","5","9","8","1") = "8"
    & skf18("1","3","4","5","9","9","1") = "8"
    & skf18("1","3","4","5","9","10","1") = "9"
    & skf18("1","3","4","5","10","1","1") = "9"
    & skf18("1","3","4","5","10","2","1") = "9"
    & skf18("1","3","4","5","10","3","1") = "9"
    & skf18("1","3","4","5","10","4","1") = "9"
    & skf18("1","3","4","5","10","5","1") = "9"
    & skf18("1","3","4","5","10","6","1") = "9"
    & skf18("1","3","4","5","10","7","1") = "9"
    & skf18("1","3","4","5","10","8","1") = "9"
    & skf18("1","3","4","5","10","9","1") = "9"
    & skf18("1","3","4","5","10","10","1") = "9"
    & skf18("1","3","4","6","1","1","1") = "5"
    & skf18("1","3","4","6","1","2","1") = "5"
    & skf18("1","3","4","6","1","3","1") = "5"
    & skf18("1","3","4","6","1","4","1") = "5"
    & skf18("1","3","4","6","1","5","1") = "5"
    & skf18("1","3","4","6","1","6","1") = "5"
    & skf18("1","3","4","6","1","7","1") = "6"
    & skf18("1","3","4","6","1","8","1") = "7"
    & skf18("1","3","4","6","1","9","1") = "8"
    & skf18("1","3","4","6","1","10","1") = "9"
    & skf18("1","3","4","6","2","1","1") = "5"
    & skf18("1","3","4","6","2","2","1") = "5"
    & skf18("1","3","4","6","2","3","1") = "5"
    & skf18("1","3","4","6","2","4","1") = "5"
    & skf18("1","3","4","6","2","5","1") = "5"
    & skf18("1","3","4","6","2","6","1") = "5"
    & skf18("1","3","4","6","2","7","1") = "6"
    & skf18("1","3","4","6","2","8","1") = "7"
    & skf18("1","3","4","6","2","9","1") = "8"
    & skf18("1","3","4","6","2","10","1") = "9"
    & skf18("1","3","4","6","3","1","1") = "5"
    & skf18("1","3","4","6","3","2","1") = "5"
    & skf18("1","3","4","6","3","3","1") = "5"
    & skf18("1","3","4","6","3","4","1") = "5"
    & skf18("1","3","4","6","3","5","1") = "4"
    & skf18("1","3","4","6","3","6","1") = "4"
    & skf18("1","3","4","6","3","7","1") = "6"
    & skf18("1","3","4","6","3","8","1") = "7"
    & skf18("1","3","4","6","3","9","1") = "8"
    & skf18("1","3","4","6","3","10","1") = "9"
    & skf18("1","3","4","6","4","1","1") = "5"
    & skf18("1","3","4","6","4","2","1") = "5"
    & skf18("1","3","4","6","4","3","1") = "5"
    & skf18("1","3","4","6","4","4","1") = "5"
    & skf18("1","3","4","6","4","5","1") = "5"
    & skf18("1","3","4","6","4","6","1") = "5"
    & skf18("1","3","4","6","4","7","1") = "6"
    & skf18("1","3","4","6","4","8","1") = "7"
    & skf18("1","3","4","6","4","9","1") = "8"
    & skf18("1","3","4","6","4","10","1") = "9"
    & skf18("1","3","4","6","5","1","1") = "5"
    & skf18("1","3","4","6","5","2","1") = "5"
    & skf18("1","3","4","6","5","3","1") = "5"
    & skf18("1","3","4","6","5","4","1") = "5"
    & skf18("1","3","4","6","5","5","1") = "5"
    & skf18("1","3","4","6","5","6","1") = "5"
    & skf18("1","3","4","6","5","7","1") = "6"
    & skf18("1","3","4","6","5","8","1") = "7"
    & skf18("1","3","4","6","5","9","1") = "8"
    & skf18("1","3","4","6","5","10","1") = "9"
    & skf18("1","3","4","6","6","1","1") = "5"
    & skf18("1","3","4","6","6","2","1") = "5"
    & skf18("1","3","4","6","6","3","1") = "5"
    & skf18("1","3","4","6","6","4","1") = "5"
    & skf18("1","3","4","6","6","5","1") = "5"
    & skf18("1","3","4","6","6","6","1") = "5"
    & skf18("1","3","4","6","6","7","1") = "6"
    & skf18("1","3","4","6","6","8","1") = "7"
    & skf18("1","3","4","6","6","9","1") = "8"
    & skf18("1","3","4","6","6","10","1") = "9"
    & skf18("1","3","4","6","7","1","1") = "6"
    & skf18("1","3","4","6","7","2","1") = "6"
    & skf18("1","3","4","6","7","3","1") = "6"
    & skf18("1","3","4","6","7","4","1") = "6"
    & skf18("1","3","4","6","7","5","1") = "6"
    & skf18("1","3","4","6","7","6","1") = "6"
    & skf18("1","3","4","6","7","7","1") = "6"
    & skf18("1","3","4","6","7","8","1") = "7"
    & skf18("1","3","4","6","7","9","1") = "8"
    & skf18("1","3","4","6","7","10","1") = "9"
    & skf18("1","3","4","6","8","1","1") = "7"
    & skf18("1","3","4","6","8","2","1") = "7"
    & skf18("1","3","4","6","8","3","1") = "7"
    & skf18("1","3","4","6","8","4","1") = "7"
    & skf18("1","3","4","6","8","5","1") = "7"
    & skf18("1","3","4","6","8","6","1") = "7"
    & skf18("1","3","4","6","8","7","1") = "7"
    & skf18("1","3","4","6","8","8","1") = "7"
    & skf18("1","3","4","6","8","9","1") = "8"
    & skf18("1","3","4","6","8","10","1") = "9"
    & skf18("1","3","4","6","9","1","1") = "8"
    & skf18("1","3","4","6","9","2","1") = "8"
    & skf18("1","3","4","6","9","3","1") = "8"
    & skf18("1","3","4","6","9","4","1") = "8"
    & skf18("1","3","4","6","9","5","1") = "8"
    & skf18("1","3","4","6","9","6","1") = "8"
    & skf18("1","3","4","6","9","7","1") = "8"
    & skf18("1","3","4","6","9","8","1") = "8"
    & skf18("1","3","4","6","9","9","1") = "8"
    & skf18("1","3","4","6","9","10","1") = "9"
    & skf18("1","3","4","6","10","1","1") = "9"
    & skf18("1","3","4","6","10","2","1") = "9"
    & skf18("1","3","4","6","10","3","1") = "9"
    & skf18("1","3","4","6","10","4","1") = "9"
    & skf18("1","3","4","6","10","5","1") = "9"
    & skf18("1","3","4","6","10","6","1") = "9"
    & skf18("1","3","4","6","10","7","1") = "9"
    & skf18("1","3","4","6","10","8","1") = "9"
    & skf18("1","3","4","6","10","9","1") = "9"
    & skf18("1","3","4","6","10","10","1") = "9"
    & skf18("1","3","4","7","1","1","1") = "6"
    & skf18("1","3","4","7","1","2","1") = "6"
    & skf18("1","3","4","7","1","3","1") = "6"
    & skf18("1","3","4","7","1","4","1") = "6"
    & skf18("1","3","4","7","1","5","1") = "6"
    & skf18("1","3","4","7","1","6","1") = "6"
    & skf18("1","3","4","7","1","7","1") = "6"
    & skf18("1","3","4","7","1","8","1") = "7"
    & skf18("1","3","4","7","1","9","1") = "8"
    & skf18("1","3","4","7","1","10","1") = "9"
    & skf18("1","3","4","7","2","1","1") = "6"
    & skf18("1","3","4","7","2","2","1") = "6"
    & skf18("1","3","4","7","2","3","1") = "6"
    & skf18("1","3","4","7","2","4","1") = "6"
    & skf18("1","3","4","7","2","5","1") = "6"
    & skf18("1","3","4","7","2","6","1") = "6"
    & skf18("1","3","4","7","2","7","1") = "6"
    & skf18("1","3","4","7","2","8","1") = "7"
    & skf18("1","3","4","7","2","9","1") = "8"
    & skf18("1","3","4","7","2","10","1") = "9"
    & skf18("1","3","4","7","3","1","1") = "6"
    & skf18("1","3","4","7","3","2","1") = "6"
    & skf18("1","3","4","7","3","3","1") = "6"
    & skf18("1","3","4","7","3","4","1") = "6"
    & skf18("1","3","4","7","3","5","1") = "6"
    & skf18("1","3","4","7","3","6","1") = "6"
    & skf18("1","3","4","7","3","7","1") = "6"
    & skf18("1","3","4","7","3","8","1") = "7"
    & skf18("1","3","4","7","3","9","1") = "8"
    & skf18("1","3","4","7","3","10","1") = "9"
    & skf18("1","3","4","7","4","1","1") = "6"
    & skf18("1","3","4","7","4","2","1") = "6"
    & skf18("1","3","4","7","4","3","1") = "6"
    & skf18("1","3","4","7","4","4","1") = "6"
    & skf18("1","3","4","7","4","5","1") = "6"
    & skf18("1","3","4","7","4","6","1") = "6"
    & skf18("1","3","4","7","4","7","1") = "6"
    & skf18("1","3","4","7","4","8","1") = "7"
    & skf18("1","3","4","7","4","9","1") = "8"
    & skf18("1","3","4","7","4","10","1") = "9"
    & skf18("1","3","4","7","5","1","1") = "6"
    & skf18("1","3","4","7","5","2","1") = "6"
    & skf18("1","3","4","7","5","3","1") = "6"
    & skf18("1","3","4","7","5","4","1") = "6"
    & skf18("1","3","4","7","5","5","1") = "6"
    & skf18("1","3","4","7","5","6","1") = "6"
    & skf18("1","3","4","7","5","7","1") = "6"
    & skf18("1","3","4","7","5","8","1") = "7"
    & skf18("1","3","4","7","5","9","1") = "8"
    & skf18("1","3","4","7","5","10","1") = "9"
    & skf18("1","3","4","7","6","1","1") = "6"
    & skf18("1","3","4","7","6","2","1") = "6"
    & skf18("1","3","4","7","6","3","1") = "6"
    & skf18("1","3","4","7","6","4","1") = "6"
    & skf18("1","3","4","7","6","5","1") = "6"
    & skf18("1","3","4","7","6","6","1") = "6"
    & skf18("1","3","4","7","6","7","1") = "6"
    & skf18("1","3","4","7","6","8","1") = "7"
    & skf18("1","3","4","7","6","9","1") = "8"
    & skf18("1","3","4","7","6","10","1") = "9"
    & skf18("1","3","4","7","7","1","1") = "6"
    & skf18("1","3","4","7","7","2","1") = "6"
    & skf18("1","3","4","7","7","3","1") = "6"
    & skf18("1","3","4","7","7","4","1") = "6"
    & skf18("1","3","4","7","7","5","1") = "6"
    & skf18("1","3","4","7","7","6","1") = "6"
    & skf18("1","3","4","7","7","7","1") = "6"
    & skf18("1","3","4","7","7","8","1") = "7"
    & skf18("1","3","4","7","7","9","1") = "8"
    & skf18("1","3","4","7","7","10","1") = "9"
    & skf18("1","3","4","7","8","1","1") = "7"
    & skf18("1","3","4","7","8","2","1") = "7"
    & skf18("1","3","4","7","8","3","1") = "7"
    & skf18("1","3","4","7","8","4","1") = "7"
    & skf18("1","3","4","7","8","5","1") = "7"
    & skf18("1","3","4","7","8","6","1") = "7"
    & skf18("1","3","4","7","8","7","1") = "7"
    & skf18("1","3","4","7","8","8","1") = "7"
    & skf18("1","3","4","7","8","9","1") = "8"
    & skf18("1","3","4","7","8","10","1") = "9"
    & skf18("1","3","4","7","9","1","1") = "8"
    & skf18("1","3","4","7","9","2","1") = "8"
    & skf18("1","3","4","7","9","3","1") = "8"
    & skf18("1","3","4","7","9","4","1") = "8"
    & skf18("1","3","4","7","9","5","1") = "8"
    & skf18("1","3","4","7","9","6","1") = "8"
    & skf18("1","3","4","7","9","7","1") = "8"
    & skf18("1","3","4","7","9","8","1") = "8"
    & skf18("1","3","4","7","9","9","1") = "8"
    & skf18("1","3","4","7","9","10","1") = "9"
    & skf18("1","3","4","7","10","1","1") = "9"
    & skf18("1","3","4","7","10","2","1") = "9"
    & skf18("1","3","4","7","10","3","1") = "9"
    & skf18("1","3","4","7","10","4","1") = "9"
    & skf18("1","3","4","7","10","5","1") = "9"
    & skf18("1","3","4","7","10","6","1") = "9"
    & skf18("1","3","4","7","10","7","1") = "9"
    & skf18("1","3","4","7","10","8","1") = "9"
    & skf18("1","3","4","7","10","9","1") = "9"
    & skf18("1","3","4","7","10","10","1") = "9"
    & skf18("1","3","4","8","1","1","1") = "7"
    & skf18("1","3","4","8","1","2","1") = "7"
    & skf18("1","3","4","8","1","3","1") = "7"
    & skf18("1","3","4","8","1","4","1") = "7"
    & skf18("1","3","4","8","1","5","1") = "7"
    & skf18("1","3","4","8","1","6","1") = "7"
    & skf18("1","3","4","8","1","7","1") = "7"
    & skf18("1","3","4","8","1","8","1") = "7"
    & skf18("1","3","4","8","1","9","1") = "8"
    & skf18("1","3","4","8","1","10","1") = "9"
    & skf18("1","3","4","8","2","1","1") = "7"
    & skf18("1","3","4","8","2","2","1") = "7"
    & skf18("1","3","4","8","2","3","1") = "7"
    & skf18("1","3","4","8","2","4","1") = "7"
    & skf18("1","3","4","8","2","5","1") = "7"
    & skf18("1","3","4","8","2","6","1") = "7"
    & skf18("1","3","4","8","2","7","1") = "7"
    & skf18("1","3","4","8","2","8","1") = "7"
    & skf18("1","3","4","8","2","9","1") = "8"
    & skf18("1","3","4","8","2","10","1") = "9"
    & skf18("1","3","4","8","3","1","1") = "7"
    & skf18("1","3","4","8","3","2","1") = "7"
    & skf18("1","3","4","8","3","3","1") = "7"
    & skf18("1","3","4","8","3","4","1") = "7"
    & skf18("1","3","4","8","3","5","1") = "7"
    & skf18("1","3","4","8","3","6","1") = "7"
    & skf18("1","3","4","8","3","7","1") = "7"
    & skf18("1","3","4","8","3","8","1") = "7"
    & skf18("1","3","4","8","3","9","1") = "8"
    & skf18("1","3","4","8","3","10","1") = "9"
    & skf18("1","3","4","8","4","1","1") = "7"
    & skf18("1","3","4","8","4","2","1") = "7"
    & skf18("1","3","4","8","4","3","1") = "7"
    & skf18("1","3","4","8","4","4","1") = "7"
    & skf18("1","3","4","8","4","5","1") = "7"
    & skf18("1","3","4","8","4","6","1") = "7"
    & skf18("1","3","4","8","4","7","1") = "7"
    & skf18("1","3","4","8","4","8","1") = "7"
    & skf18("1","3","4","8","4","9","1") = "8"
    & skf18("1","3","4","8","4","10","1") = "9"
    & skf18("1","3","4","8","5","1","1") = "7"
    & skf18("1","3","4","8","5","2","1") = "7"
    & skf18("1","3","4","8","5","3","1") = "7"
    & skf18("1","3","4","8","5","4","1") = "7"
    & skf18("1","3","4","8","5","5","1") = "7"
    & skf18("1","3","4","8","5","6","1") = "7"
    & skf18("1","3","4","8","5","7","1") = "7"
    & skf18("1","3","4","8","5","8","1") = "7"
    & skf18("1","3","4","8","5","9","1") = "8"
    & skf18("1","3","4","8","5","10","1") = "9"
    & skf18("1","3","4","8","6","1","1") = "7"
    & skf18("1","3","4","8","6","2","1") = "7"
    & skf18("1","3","4","8","6","3","1") = "7"
    & skf18("1","3","4","8","6","4","1") = "7"
    & skf18("1","3","4","8","6","5","1") = "7"
    & skf18("1","3","4","8","6","6","1") = "7"
    & skf18("1","3","4","8","6","7","1") = "7"
    & skf18("1","3","4","8","6","8","1") = "7"
    & skf18("1","3","4","8","6","9","1") = "8"
    & skf18("1","3","4","8","6","10","1") = "9"
    & skf18("1","3","4","8","7","1","1") = "7"
    & skf18("1","3","4","8","7","2","1") = "7"
    & skf18("1","3","4","8","7","3","1") = "7"
    & skf18("1","3","4","8","7","4","1") = "7"
    & skf18("1","3","4","8","7","5","1") = "7"
    & skf18("1","3","4","8","7","6","1") = "7"
    & skf18("1","3","4","8","7","7","1") = "7"
    & skf18("1","3","4","8","7","8","1") = "7"
    & skf18("1","3","4","8","7","9","1") = "8"
    & skf18("1","3","4","8","7","10","1") = "9"
    & skf18("1","3","4","8","8","1","1") = "7"
    & skf18("1","3","4","8","8","2","1") = "7"
    & skf18("1","3","4","8","8","3","1") = "7"
    & skf18("1","3","4","8","8","4","1") = "7"
    & skf18("1","3","4","8","8","5","1") = "7"
    & skf18("1","3","4","8","8","6","1") = "7"
    & skf18("1","3","4","8","8","7","1") = "7"
    & skf18("1","3","4","8","8","8","1") = "7"
    & skf18("1","3","4","8","8","9","1") = "8"
    & skf18("1","3","4","8","8","10","1") = "9"
    & skf18("1","3","4","8","9","1","1") = "8"
    & skf18("1","3","4","8","9","2","1") = "8"
    & skf18("1","3","4","8","9","3","1") = "8"
    & skf18("1","3","4","8","9","4","1") = "8"
    & skf18("1","3","4","8","9","5","1") = "8"
    & skf18("1","3","4","8","9","6","1") = "8"
    & skf18("1","3","4","8","9","7","1") = "8"
    & skf18("1","3","4","8","9","8","1") = "8"
    & skf18("1","3","4","8","9","9","1") = "8"
    & skf18("1","3","4","8","9","10","1") = "9"
    & skf18("1","3","4","8","10","1","1") = "9"
    & skf18("1","3","4","8","10","2","1") = "9"
    & skf18("1","3","4","8","10","3","1") = "9"
    & skf18("1","3","4","8","10","4","1") = "9"
    & skf18("1","3","4","8","10","5","1") = "9"
    & skf18("1","3","4","8","10","6","1") = "9"
    & skf18("1","3","4","8","10","7","1") = "9"
    & skf18("1","3","4","8","10","8","1") = "9"
    & skf18("1","3","4","8","10","9","1") = "9"
    & skf18("1","3","4","8","10","10","1") = "9"
    & skf18("1","3","4","9","1","1","1") = "8"
    & skf18("1","3","4","9","1","2","1") = "8"
    & skf18("1","3","4","9","1","3","1") = "8"
    & skf18("1","3","4","9","1","4","1") = "8"
    & skf18("1","3","4","9","1","5","1") = "8"
    & skf18("1","3","4","9","1","6","1") = "8"
    & skf18("1","3","4","9","1","7","1") = "8"
    & skf18("1","3","4","9","1","8","1") = "8"
    & skf18("1","3","4","9","1","9","1") = "8"
    & skf18("1","3","4","9","1","10","1") = "9"
    & skf18("1","3","4","9","2","1","1") = "8"
    & skf18("1","3","4","9","2","2","1") = "8"
    & skf18("1","3","4","9","2","3","1") = "8"
    & skf18("1","3","4","9","2","4","1") = "8"
    & skf18("1","3","4","9","2","5","1") = "8"
    & skf18("1","3","4","9","2","6","1") = "8"
    & skf18("1","3","4","9","2","7","1") = "8"
    & skf18("1","3","4","9","2","8","1") = "8"
    & skf18("1","3","4","9","2","9","1") = "8"
    & skf18("1","3","4","9","2","10","1") = "9"
    & skf18("1","3","4","9","3","1","1") = "8"
    & skf18("1","3","4","9","3","2","1") = "8"
    & skf18("1","3","4","9","3","3","1") = "8"
    & skf18("1","3","4","9","3","4","1") = "8"
    & skf18("1","3","4","9","3","5","1") = "8"
    & skf18("1","3","4","9","3","6","1") = "8"
    & skf18("1","3","4","9","3","7","1") = "8"
    & skf18("1","3","4","9","3","8","1") = "8"
    & skf18("1","3","4","9","3","9","1") = "8"
    & skf18("1","3","4","9","3","10","1") = "9"
    & skf18("1","3","4","9","4","1","1") = "8"
    & skf18("1","3","4","9","4","2","1") = "8"
    & skf18("1","3","4","9","4","3","1") = "8"
    & skf18("1","3","4","9","4","4","1") = "8"
    & skf18("1","3","4","9","4","5","1") = "8"
    & skf18("1","3","4","9","4","6","1") = "8"
    & skf18("1","3","4","9","4","7","1") = "8"
    & skf18("1","3","4","9","4","8","1") = "8"
    & skf18("1","3","4","9","4","9","1") = "8"
    & skf18("1","3","4","9","4","10","1") = "9"
    & skf18("1","3","4","9","5","1","1") = "8"
    & skf18("1","3","4","9","5","2","1") = "8"
    & skf18("1","3","4","9","5","3","1") = "8"
    & skf18("1","3","4","9","5","4","1") = "8"
    & skf18("1","3","4","9","5","5","1") = "8"
    & skf18("1","3","4","9","5","6","1") = "8"
    & skf18("1","3","4","9","5","7","1") = "8"
    & skf18("1","3","4","9","5","8","1") = "8"
    & skf18("1","3","4","9","5","9","1") = "8"
    & skf18("1","3","4","9","5","10","1") = "9"
    & skf18("1","3","4","9","6","1","1") = "8"
    & skf18("1","3","4","9","6","2","1") = "8"
    & skf18("1","3","4","9","6","3","1") = "8"
    & skf18("1","3","4","9","6","4","1") = "8"
    & skf18("1","3","4","9","6","5","1") = "8"
    & skf18("1","3","4","9","6","6","1") = "8"
    & skf18("1","3","4","9","6","7","1") = "8"
    & skf18("1","3","4","9","6","8","1") = "8"
    & skf18("1","3","4","9","6","9","1") = "8"
    & skf18("1","3","4","9","6","10","1") = "9"
    & skf18("1","3","4","9","7","1","1") = "8"
    & skf18("1","3","4","9","7","2","1") = "8"
    & skf18("1","3","4","9","7","3","1") = "8"
    & skf18("1","3","4","9","7","4","1") = "8"
    & skf18("1","3","4","9","7","5","1") = "8"
    & skf18("1","3","4","9","7","6","1") = "8"
    & skf18("1","3","4","9","7","7","1") = "8"
    & skf18("1","3","4","9","7","8","1") = "8"
    & skf18("1","3","4","9","7","9","1") = "8"
    & skf18("1","3","4","9","7","10","1") = "9"
    & skf18("1","3","4","9","8","1","1") = "8"
    & skf18("1","3","4","9","8","2","1") = "8"
    & skf18("1","3","4","9","8","3","1") = "8"
    & skf18("1","3","4","9","8","4","1") = "8"
    & skf18("1","3","4","9","8","5","1") = "8"
    & skf18("1","3","4","9","8","6","1") = "8"
    & skf18("1","3","4","9","8","7","1") = "8"
    & skf18("1","3","4","9","8","8","1") = "8"
    & skf18("1","3","4","9","8","9","1") = "8"
    & skf18("1","3","4","9","8","10","1") = "9"
    & skf18("1","3","4","9","9","1","1") = "8"
    & skf18("1","3","4","9","9","2","1") = "8"
    & skf18("1","3","4","9","9","3","1") = "8"
    & skf18("1","3","4","9","9","4","1") = "8"
    & skf18("1","3","4","9","9","5","1") = "8"
    & skf18("1","3","4","9","9","6","1") = "8"
    & skf18("1","3","4","9","9","7","1") = "8"
    & skf18("1","3","4","9","9","8","1") = "8"
    & skf18("1","3","4","9","9","9","1") = "8"
    & skf18("1","3","4","9","9","10","1") = "9"
    & skf18("1","3","4","9","10","1","1") = "9"
    & skf18("1","3","4","9","10","2","1") = "9"
    & skf18("1","3","4","9","10","3","1") = "9"
    & skf18("1","3","4","9","10","4","1") = "9"
    & skf18("1","3","4","9","10","5","1") = "9"
    & skf18("1","3","4","9","10","6","1") = "9"
    & skf18("1","3","4","9","10","7","1") = "9"
    & skf18("1","3","4","9","10","8","1") = "9"
    & skf18("1","3","4","9","10","9","1") = "9"
    & skf18("1","3","4","9","10","10","1") = "9"
    & skf18("1","3","4","10","1","1","1") = "9"
    & skf18("1","3","4","10","1","2","1") = "9"
    & skf18("1","3","4","10","1","3","1") = "9"
    & skf18("1","3","4","10","1","4","1") = "9"
    & skf18("1","3","4","10","1","5","1") = "9"
    & skf18("1","3","4","10","1","6","1") = "9"
    & skf18("1","3","4","10","1","7","1") = "9"
    & skf18("1","3","4","10","1","8","1") = "9"
    & skf18("1","3","4","10","1","9","1") = "9"
    & skf18("1","3","4","10","1","10","1") = "9"
    & skf18("1","3","4","10","2","1","1") = "9"
    & skf18("1","3","4","10","2","2","1") = "9"
    & skf18("1","3","4","10","2","3","1") = "9"
    & skf18("1","3","4","10","2","4","1") = "9"
    & skf18("1","3","4","10","2","5","1") = "9"
    & skf18("1","3","4","10","2","6","1") = "9"
    & skf18("1","3","4","10","2","7","1") = "9"
    & skf18("1","3","4","10","2","8","1") = "9"
    & skf18("1","3","4","10","2","9","1") = "9"
    & skf18("1","3","4","10","2","10","1") = "9"
    & skf18("1","3","4","10","3","1","1") = "9"
    & skf18("1","3","4","10","3","2","1") = "9"
    & skf18("1","3","4","10","3","3","1") = "9"
    & skf18("1","3","4","10","3","4","1") = "9"
    & skf18("1","3","4","10","3","5","1") = "9"
    & skf18("1","3","4","10","3","6","1") = "9"
    & skf18("1","3","4","10","3","7","1") = "9"
    & skf18("1","3","4","10","3","8","1") = "9"
    & skf18("1","3","4","10","3","9","1") = "9"
    & skf18("1","3","4","10","3","10","1") = "9"
    & skf18("1","3","4","10","4","1","1") = "9"
    & skf18("1","3","4","10","4","2","1") = "9"
    & skf18("1","3","4","10","4","3","1") = "9"
    & skf18("1","3","4","10","4","4","1") = "9"
    & skf18("1","3","4","10","4","5","1") = "9"
    & skf18("1","3","4","10","4","6","1") = "9"
    & skf18("1","3","4","10","4","7","1") = "9"
    & skf18("1","3","4","10","4","8","1") = "9"
    & skf18("1","3","4","10","4","9","1") = "9"
    & skf18("1","3","4","10","4","10","1") = "9"
    & skf18("1","3","4","10","5","1","1") = "9"
    & skf18("1","3","4","10","5","2","1") = "9"
    & skf18("1","3","4","10","5","3","1") = "9"
    & skf18("1","3","4","10","5","4","1") = "9"
    & skf18("1","3","4","10","5","5","1") = "9"
    & skf18("1","3","4","10","5","6","1") = "9"
    & skf18("1","3","4","10","5","7","1") = "9"
    & skf18("1","3","4","10","5","8","1") = "9"
    & skf18("1","3","4","10","5","9","1") = "9"
    & skf18("1","3","4","10","5","10","1") = "9"
    & skf18("1","3","4","10","6","1","1") = "9"
    & skf18("1","3","4","10","6","2","1") = "9"
    & skf18("1","3","4","10","6","3","1") = "9"
    & skf18("1","3","4","10","6","4","1") = "9"
    & skf18("1","3","4","10","6","5","1") = "9"
    & skf18("1","3","4","10","6","6","1") = "9"
    & skf18("1","3","4","10","6","7","1") = "9"
    & skf18("1","3","4","10","6","8","1") = "9"
    & skf18("1","3","4","10","6","9","1") = "9"
    & skf18("1","3","4","10","6","10","1") = "9"
    & skf18("1","3","4","10","7","1","1") = "9"
    & skf18("1","3","4","10","7","2","1") = "9"
    & skf18("1","3","4","10","7","3","1") = "9"
    & skf18("1","3","4","10","7","4","1") = "9"
    & skf18("1","3","4","10","7","5","1") = "9"
    & skf18("1","3","4","10","7","6","1") = "9"
    & skf18("1","3","4","10","7","7","1") = "9"
    & skf18("1","3","4","10","7","8","1") = "9"
    & skf18("1","3","4","10","7","9","1") = "9"
    & skf18("1","3","4","10","7","10","1") = "9"
    & skf18("1","3","4","10","8","1","1") = "9"
    & skf18("1","3","4","10","8","2","1") = "9"
    & skf18("1","3","4","10","8","3","1") = "9"
    & skf18("1","3","4","10","8","4","1") = "9"
    & skf18("1","3","4","10","8","5","1") = "9"
    & skf18("1","3","4","10","8","6","1") = "9"
    & skf18("1","3","4","10","8","7","1") = "9"
    & skf18("1","3","4","10","8","8","1") = "9"
    & skf18("1","3","4","10","8","9","1") = "9"
    & skf18("1","3","4","10","8","10","1") = "9"
    & skf18("1","3","4","10","9","1","1") = "9"
    & skf18("1","3","4","10","9","2","1") = "9"
    & skf18("1","3","4","10","9","3","1") = "9"
    & skf18("1","3","4","10","9","4","1") = "9"
    & skf18("1","3","4","10","9","5","1") = "9"
    & skf18("1","3","4","10","9","6","1") = "9"
    & skf18("1","3","4","10","9","7","1") = "9"
    & skf18("1","3","4","10","9","8","1") = "9"
    & skf18("1","3","4","10","9","9","1") = "9"
    & skf18("1","3","4","10","9","10","1") = "9"
    & skf18("1","3","4","10","10","1","1") = "9"
    & skf18("1","3","4","10","10","2","1") = "9"
    & skf18("1","3","4","10","10","3","1") = "9"
    & skf18("1","3","4","10","10","4","1") = "9"
    & skf18("1","3","4","10","10","5","1") = "9"
    & skf18("1","3","4","10","10","6","1") = "9"
    & skf18("1","3","4","10","10","7","1") = "9"
    & skf18("1","3","4","10","10","8","1") = "9"
    & skf18("1","3","4","10","10","9","1") = "9"
    & skf18("1","3","4","10","10","10","1") = "9"
    & skf18("1","3","5","1","1","1","1") = "4"
    & skf18("1","3","5","1","1","2","1") = "4"
    & skf18("1","3","5","1","1","3","1") = "4"
    & skf18("1","3","5","1","1","4","1") = "4"
    & skf18("1","3","5","1","1","5","1") = "4"
    & skf18("1","3","5","1","1","6","1") = "5"
    & skf18("1","3","5","1","1","7","1") = "6"
    & skf18("1","3","5","1","1","8","1") = "7"
    & skf18("1","3","5","1","1","9","1") = "8"
    & skf18("1","3","5","1","1","10","1") = "9"
    & skf18("1","3","5","1","2","1","1") = "4"
    & skf18("1","3","5","1","2","2","1") = "4"
    & skf18("1","3","5","1","2","3","1") = "4"
    & skf18("1","3","5","1","2","4","1") = "4"
    & skf18("1","3","5","1","2","5","1") = "4"
    & skf18("1","3","5","1","2","6","1") = "5"
    & skf18("1","3","5","1","2","7","1") = "6"
    & skf18("1","3","5","1","2","8","1") = "7"
    & skf18("1","3","5","1","2","9","1") = "8"
    & skf18("1","3","5","1","2","10","1") = "9"
    & skf18("1","3","5","1","3","1","1") = "4"
    & skf18("1","3","5","1","3","2","1") = "4"
    & skf18("1","3","5","1","3","3","1") = "4"
    & skf18("1","3","5","1","3","4","1") = "4"
    & skf18("1","3","5","1","3","5","1") = "4"
    & skf18("1","3","5","1","3","6","1") = "5"
    & skf18("1","3","5","1","3","7","1") = "6"
    & skf18("1","3","5","1","3","8","1") = "7"
    & skf18("1","3","5","1","3","9","1") = "8"
    & skf18("1","3","5","1","3","10","1") = "9"
    & skf18("1","3","5","1","4","1","1") = "4"
    & skf18("1","3","5","1","4","2","1") = "4"
    & skf18("1","3","5","1","4","3","1") = "4"
    & skf18("1","3","5","1","4","4","1") = "4"
    & skf18("1","3","5","1","4","5","1") = "4"
    & skf18("1","3","5","1","4","6","1") = "5"
    & skf18("1","3","5","1","4","7","1") = "6"
    & skf18("1","3","5","1","4","8","1") = "7"
    & skf18("1","3","5","1","4","9","1") = "8"
    & skf18("1","3","5","1","4","10","1") = "9"
    & skf18("1","3","5","1","5","1","1") = "4"
    & skf18("1","3","5","1","5","2","1") = "4"
    & skf18("1","3","5","1","5","3","1") = "4"
    & skf18("1","3","5","1","5","4","1") = "4"
    & skf18("1","3","5","1","5","5","1") = "4"
    & skf18("1","3","5","1","5","6","1") = "5"
    & skf18("1","3","5","1","5","7","1") = "6"
    & skf18("1","3","5","1","5","8","1") = "7"
    & skf18("1","3","5","1","5","9","1") = "8"
    & skf18("1","3","5","1","5","10","1") = "9"
    & skf18("1","3","5","1","6","1","1") = "5"
    & skf18("1","3","5","1","6","2","1") = "5"
    & skf18("1","3","5","1","6","3","1") = "5"
    & skf18("1","3","5","1","6","4","1") = "5"
    & skf18("1","3","5","1","6","5","1") = "5"
    & skf18("1","3","5","1","6","6","1") = "5"
    & skf18("1","3","5","1","6","7","1") = "6"
    & skf18("1","3","5","1","6","8","1") = "7"
    & skf18("1","3","5","1","6","9","1") = "8"
    & skf18("1","3","5","1","6","10","1") = "9"
    & skf18("1","3","5","1","7","1","1") = "6"
    & skf18("1","3","5","1","7","2","1") = "6"
    & skf18("1","3","5","1","7","3","1") = "6"
    & skf18("1","3","5","1","7","4","1") = "6"
    & skf18("1","3","5","1","7","5","1") = "6"
    & skf18("1","3","5","1","7","6","1") = "6"
    & skf18("1","3","5","1","7","7","1") = "6"
    & skf18("1","3","5","1","7","8","1") = "7"
    & skf18("1","3","5","1","7","9","1") = "8"
    & skf18("1","3","5","1","7","10","1") = "9"
    & skf18("1","3","5","1","8","1","1") = "7"
    & skf18("1","3","5","1","8","2","1") = "7"
    & skf18("1","3","5","1","8","3","1") = "7"
    & skf18("1","3","5","1","8","4","1") = "7"
    & skf18("1","3","5","1","8","5","1") = "7"
    & skf18("1","3","5","1","8","6","1") = "7"
    & skf18("1","3","5","1","8","7","1") = "7"
    & skf18("1","3","5","1","8","8","1") = "7"
    & skf18("1","3","5","1","8","9","1") = "8"
    & skf18("1","3","5","1","8","10","1") = "9"
    & skf18("1","3","5","1","9","1","1") = "8"
    & skf18("1","3","5","1","9","2","1") = "8"
    & skf18("1","3","5","1","9","3","1") = "8"
    & skf18("1","3","5","1","9","4","1") = "8"
    & skf18("1","3","5","1","9","5","1") = "8"
    & skf18("1","3","5","1","9","6","1") = "8"
    & skf18("1","3","5","1","9","7","1") = "8"
    & skf18("1","3","5","1","9","8","1") = "8"
    & skf18("1","3","5","1","9","9","1") = "8"
    & skf18("1","3","5","1","9","10","1") = "9"
    & skf18("1","3","5","1","10","1","1") = "9"
    & skf18("1","3","5","1","10","2","1") = "9"
    & skf18("1","3","5","1","10","3","1") = "9"
    & skf18("1","3","5","1","10","4","1") = "9"
    & skf18("1","3","5","1","10","5","1") = "9"
    & skf18("1","3","5","1","10","6","1") = "9"
    & skf18("1","3","5","1","10","7","1") = "9"
    & skf18("1","3","5","1","10","8","1") = "9"
    & skf18("1","3","5","1","10","9","1") = "9"
    & skf18("1","3","5","1","10","10","1") = "9"
    & skf18("1","3","5","2","1","1","1") = "4"
    & skf18("1","3","5","2","1","2","1") = "4"
    & skf18("1","3","5","2","1","3","1") = "4"
    & skf18("1","3","5","2","1","4","1") = "4"
    & skf18("1","3","5","2","1","5","1") = "4"
    & skf18("1","3","5","2","1","6","1") = "5"
    & skf18("1","3","5","2","1","7","1") = "6"
    & skf18("1","3","5","2","1","8","1") = "7"
    & skf18("1","3","5","2","1","9","1") = "8"
    & skf18("1","3","5","2","1","10","1") = "9"
    & skf18("1","3","5","2","2","1","1") = "4"
    & skf18("1","3","5","2","2","2","1") = "4"
    & skf18("1","3","5","2","2","3","1") = "4"
    & skf18("1","3","5","2","2","4","1") = "4"
    & skf18("1","3","5","2","2","5","1") = "4"
    & skf18("1","3","5","2","2","6","1") = "5"
    & skf18("1","3","5","2","2","7","1") = "6"
    & skf18("1","3","5","2","2","8","1") = "7"
    & skf18("1","3","5","2","2","9","1") = "8"
    & skf18("1","3","5","2","2","10","1") = "9"
    & skf18("1","3","5","2","3","1","1") = "4"
    & skf18("1","3","5","2","3","2","1") = "4"
    & skf18("1","3","5","2","3","3","1") = "4"
    & skf18("1","3","5","2","3","4","1") = "4"
    & skf18("1","3","5","2","3","5","1") = "4"
    & skf18("1","3","5","2","3","6","1") = "5"
    & skf18("1","3","5","2","3","7","1") = "6"
    & skf18("1","3","5","2","3","8","1") = "7"
    & skf18("1","3","5","2","3","9","1") = "8"
    & skf18("1","3","5","2","3","10","1") = "9"
    & skf18("1","3","5","2","4","1","1") = "4"
    & skf18("1","3","5","2","4","2","1") = "4"
    & skf18("1","3","5","2","4","3","1") = "4"
    & skf18("1","3","5","2","4","4","1") = "4"
    & skf18("1","3","5","2","4","5","1") = "4"
    & skf18("1","3","5","2","4","6","1") = "5"
    & skf18("1","3","5","2","4","7","1") = "6"
    & skf18("1","3","5","2","4","8","1") = "7"
    & skf18("1","3","5","2","4","9","1") = "8"
    & skf18("1","3","5","2","4","10","1") = "9"
    & skf18("1","3","5","2","5","1","1") = "4"
    & skf18("1","3","5","2","5","2","1") = "4"
    & skf18("1","3","5","2","5","3","1") = "4"
    & skf18("1","3","5","2","5","4","1") = "4"
    & skf18("1","3","5","2","5","5","1") = "4"
    & skf18("1","3","5","2","5","6","1") = "5"
    & skf18("1","3","5","2","5","7","1") = "6"
    & skf18("1","3","5","2","5","8","1") = "7"
    & skf18("1","3","5","2","5","9","1") = "8"
    & skf18("1","3","5","2","5","10","1") = "9"
    & skf18("1","3","5","2","6","1","1") = "5"
    & skf18("1","3","5","2","6","2","1") = "5"
    & skf18("1","3","5","2","6","3","1") = "5"
    & skf18("1","3","5","2","6","4","1") = "5"
    & skf18("1","3","5","2","6","5","1") = "5"
    & skf18("1","3","5","2","6","6","1") = "5"
    & skf18("1","3","5","2","6","7","1") = "6"
    & skf18("1","3","5","2","6","8","1") = "7"
    & skf18("1","3","5","2","6","9","1") = "8"
    & skf18("1","3","5","2","6","10","1") = "9"
    & skf18("1","3","5","2","7","1","1") = "6"
    & skf18("1","3","5","2","7","2","1") = "6"
    & skf18("1","3","5","2","7","3","1") = "6"
    & skf18("1","3","5","2","7","4","1") = "6"
    & skf18("1","3","5","2","7","5","1") = "6"
    & skf18("1","3","5","2","7","6","1") = "6"
    & skf18("1","3","5","2","7","7","1") = "6"
    & skf18("1","3","5","2","7","8","1") = "7"
    & skf18("1","3","5","2","7","9","1") = "8"
    & skf18("1","3","5","2","7","10","1") = "9"
    & skf18("1","3","5","2","8","1","1") = "7"
    & skf18("1","3","5","2","8","2","1") = "7"
    & skf18("1","3","5","2","8","3","1") = "7"
    & skf18("1","3","5","2","8","4","1") = "7"
    & skf18("1","3","5","2","8","5","1") = "7"
    & skf18("1","3","5","2","8","6","1") = "7"
    & skf18("1","3","5","2","8","7","1") = "7"
    & skf18("1","3","5","2","8","8","1") = "7"
    & skf18("1","3","5","2","8","9","1") = "8"
    & skf18("1","3","5","2","8","10","1") = "9"
    & skf18("1","3","5","2","9","1","1") = "8"
    & skf18("1","3","5","2","9","2","1") = "8"
    & skf18("1","3","5","2","9","3","1") = "8"
    & skf18("1","3","5","2","9","4","1") = "8"
    & skf18("1","3","5","2","9","5","1") = "8"
    & skf18("1","3","5","2","9","6","1") = "8"
    & skf18("1","3","5","2","9","7","1") = "8"
    & skf18("1","3","5","2","9","8","1") = "8"
    & skf18("1","3","5","2","9","9","1") = "8"
    & skf18("1","3","5","2","9","10","1") = "9"
    & skf18("1","3","5","2","10","1","1") = "9"
    & skf18("1","3","5","2","10","2","1") = "9"
    & skf18("1","3","5","2","10","3","1") = "9"
    & skf18("1","3","5","2","10","4","1") = "9"
    & skf18("1","3","5","2","10","5","1") = "9"
    & skf18("1","3","5","2","10","6","1") = "9"
    & skf18("1","3","5","2","10","7","1") = "9"
    & skf18("1","3","5","2","10","8","1") = "9"
    & skf18("1","3","5","2","10","9","1") = "9"
    & skf18("1","3","5","2","10","10","1") = "9"
    & skf18("1","3","5","3","1","1","1") = "4"
    & skf18("1","3","5","3","1","2","1") = "4"
    & skf18("1","3","5","3","1","3","1") = "4"
    & skf18("1","3","5","3","1","4","1") = "4"
    & skf18("1","3","5","3","1","5","1") = "4"
    & skf18("1","3","5","3","1","6","1") = "5"
    & skf18("1","3","5","3","1","7","1") = "6"
    & skf18("1","3","5","3","1","8","1") = "7"
    & skf18("1","3","5","3","1","9","1") = "8"
    & skf18("1","3","5","3","1","10","1") = "9"
    & skf18("1","3","5","3","2","1","1") = "4"
    & skf18("1","3","5","3","2","2","1") = "4"
    & skf18("1","3","5","3","2","3","1") = "4"
    & skf18("1","3","5","3","2","4","1") = "4"
    & skf18("1","3","5","3","2","5","1") = "4"
    & skf18("1","3","5","3","2","6","1") = "5"
    & skf18("1","3","5","3","2","7","1") = "6"
    & skf18("1","3","5","3","2","8","1") = "7"
    & skf18("1","3","5","3","2","9","1") = "8"
    & skf18("1","3","5","3","2","10","1") = "9"
    & skf18("1","3","5","3","3","1","1") = "4"
    & skf18("1","3","5","3","3","2","1") = "4"
    & skf18("1","3","5","3","3","3","1") = "4"
    & skf18("1","3","5","3","3","4","1") = "4"
    & skf18("1","3","5","3","3","5","1") = "4"
    & skf18("1","3","5","3","3","6","1") = "5"
    & skf18("1","3","5","3","3","7","1") = "6"
    & skf18("1","3","5","3","3","8","1") = "7"
    & skf18("1","3","5","3","3","9","1") = "8"
    & skf18("1","3","5","3","3","10","1") = "9"
    & skf18("1","3","5","3","4","1","1") = "4"
    & skf18("1","3","5","3","4","2","1") = "4"
    & skf18("1","3","5","3","4","3","1") = "4"
    & skf18("1","3","5","3","4","4","1") = "4"
    & skf18("1","3","5","3","4","5","1") = "4"
    & skf18("1","3","5","3","4","6","1") = "5"
    & skf18("1","3","5","3","4","7","1") = "6"
    & skf18("1","3","5","3","4","8","1") = "7"
    & skf18("1","3","5","3","4","9","1") = "8"
    & skf18("1","3","5","3","4","10","1") = "9"
    & skf18("1","3","5","3","5","1","1") = "4"
    & skf18("1","3","5","3","5","2","1") = "4"
    & skf18("1","3","5","3","5","3","1") = "4"
    & skf18("1","3","5","3","5","4","1") = "4"
    & skf18("1","3","5","3","5","5","1") = "4"
    & skf18("1","3","5","3","5","6","1") = "5"
    & skf18("1","3","5","3","5","7","1") = "6"
    & skf18("1","3","5","3","5","8","1") = "7"
    & skf18("1","3","5","3","5","9","1") = "8"
    & skf18("1","3","5","3","5","10","1") = "9"
    & skf18("1","3","5","3","6","1","1") = "5"
    & skf18("1","3","5","3","6","2","1") = "5"
    & skf18("1","3","5","3","6","3","1") = "5"
    & skf18("1","3","5","3","6","4","1") = "5"
    & skf18("1","3","5","3","6","5","1") = "5"
    & skf18("1","3","5","3","6","6","1") = "5"
    & skf18("1","3","5","3","6","7","1") = "6"
    & skf18("1","3","5","3","6","8","1") = "7"
    & skf18("1","3","5","3","6","9","1") = "8"
    & skf18("1","3","5","3","6","10","1") = "9"
    & skf18("1","3","5","3","7","1","1") = "6"
    & skf18("1","3","5","3","7","2","1") = "6"
    & skf18("1","3","5","3","7","3","1") = "6"
    & skf18("1","3","5","3","7","4","1") = "6"
    & skf18("1","3","5","3","7","5","1") = "6"
    & skf18("1","3","5","3","7","6","1") = "6"
    & skf18("1","3","5","3","7","7","1") = "6"
    & skf18("1","3","5","3","7","8","1") = "7"
    & skf18("1","3","5","3","7","9","1") = "8"
    & skf18("1","3","5","3","7","10","1") = "9"
    & skf18("1","3","5","3","8","1","1") = "7"
    & skf18("1","3","5","3","8","2","1") = "7"
    & skf18("1","3","5","3","8","3","1") = "7"
    & skf18("1","3","5","3","8","4","1") = "7"
    & skf18("1","3","5","3","8","5","1") = "7"
    & skf18("1","3","5","3","8","6","1") = "7"
    & skf18("1","3","5","3","8","7","1") = "7"
    & skf18("1","3","5","3","8","8","1") = "7"
    & skf18("1","3","5","3","8","9","1") = "8"
    & skf18("1","3","5","3","8","10","1") = "9"
    & skf18("1","3","5","3","9","1","1") = "8"
    & skf18("1","3","5","3","9","2","1") = "8"
    & skf18("1","3","5","3","9","3","1") = "8"
    & skf18("1","3","5","3","9","4","1") = "8"
    & skf18("1","3","5","3","9","5","1") = "8"
    & skf18("1","3","5","3","9","6","1") = "8"
    & skf18("1","3","5","3","9","7","1") = "8"
    & skf18("1","3","5","3","9","8","1") = "8"
    & skf18("1","3","5","3","9","9","1") = "8"
    & skf18("1","3","5","3","9","10","1") = "9"
    & skf18("1","3","5","3","10","1","1") = "9"
    & skf18("1","3","5","3","10","2","1") = "9"
    & skf18("1","3","5","3","10","3","1") = "9"
    & skf18("1","3","5","3","10","4","1") = "9"
    & skf18("1","3","5","3","10","5","1") = "9"
    & skf18("1","3","5","3","10","6","1") = "9"
    & skf18("1","3","5","3","10","7","1") = "9"
    & skf18("1","3","5","3","10","8","1") = "9"
    & skf18("1","3","5","3","10","9","1") = "9"
    & skf18("1","3","5","3","10","10","1") = "9"
    & skf18("1","3","5","4","1","1","1") = "4"
    & skf18("1","3","5","4","1","2","1") = "4"
    & skf18("1","3","5","4","1","3","1") = "4"
    & skf18("1","3","5","4","1","4","1") = "4"
    & skf18("1","3","5","4","1","5","1") = "4"
    & skf18("1","3","5","4","1","6","1") = "5"
    & skf18("1","3","5","4","1","7","1") = "6"
    & skf18("1","3","5","4","1","8","1") = "7"
    & skf18("1","3","5","4","1","9","1") = "8"
    & skf18("1","3","5","4","1","10","1") = "9"
    & skf18("1","3","5","4","2","1","1") = "4"
    & skf18("1","3","5","4","2","2","1") = "4"
    & skf18("1","3","5","4","2","3","1") = "4"
    & skf18("1","3","5","4","2","4","1") = "4"
    & skf18("1","3","5","4","2","5","1") = "4"
    & skf18("1","3","5","4","2","6","1") = "5"
    & skf18("1","3","5","4","2","7","1") = "6"
    & skf18("1","3","5","4","2","8","1") = "7"
    & skf18("1","3","5","4","2","9","1") = "8"
    & skf18("1","3","5","4","2","10","1") = "9"
    & skf18("1","3","5","4","3","1","1") = "4"
    & skf18("1","3","5","4","3","2","1") = "4"
    & skf18("1","3","5","4","3","3","1") = "4"
    & skf18("1","3","5","4","3","4","1") = "4"
    & skf18("1","3","5","4","3","5","1") = "4"
    & skf18("1","3","5","4","3","6","1") = "5"
    & skf18("1","3","5","4","3","7","1") = "6"
    & skf18("1","3","5","4","3","8","1") = "7"
    & skf18("1","3","5","4","3","9","1") = "8"
    & skf18("1","3","5","4","3","10","1") = "9"
    & skf18("1","3","5","4","4","1","1") = "4"
    & skf18("1","3","5","4","4","2","1") = "4"
    & skf18("1","3","5","4","4","3","1") = "4"
    & skf18("1","3","5","4","4","4","1") = "4"
    & skf18("1","3","5","4","4","5","1") = "4"
    & skf18("1","3","5","4","4","6","1") = "5"
    & skf18("1","3","5","4","4","7","1") = "6"
    & skf18("1","3","5","4","4","8","1") = "7"
    & skf18("1","3","5","4","4","9","1") = "8"
    & skf18("1","3","5","4","4","10","1") = "9"
    & skf18("1","3","5","4","5","1","1") = "4"
    & skf18("1","3","5","4","5","2","1") = "4"
    & skf18("1","3","5","4","5","3","1") = "4"
    & skf18("1","3","5","4","5","4","1") = "4"
    & skf18("1","3","5","4","5","5","1") = "4"
    & skf18("1","3","5","4","5","6","1") = "5"
    & skf18("1","3","5","4","5","7","1") = "6"
    & skf18("1","3","5","4","5","8","1") = "7"
    & skf18("1","3","5","4","5","9","1") = "8"
    & skf18("1","3","5","4","5","10","1") = "9"
    & skf18("1","3","5","4","6","1","1") = "5"
    & skf18("1","3","5","4","6","2","1") = "5"
    & skf18("1","3","5","4","6","3","1") = "5"
    & skf18("1","3","5","4","6","4","1") = "5"
    & skf18("1","3","5","4","6","5","1") = "5"
    & skf18("1","3","5","4","6","6","1") = "5"
    & skf18("1","3","5","4","6","7","1") = "6"
    & skf18("1","3","5","4","6","8","1") = "7"
    & skf18("1","3","5","4","6","9","1") = "8"
    & skf18("1","3","5","4","6","10","1") = "9"
    & skf18("1","3","5","4","7","1","1") = "6"
    & skf18("1","3","5","4","7","2","1") = "6"
    & skf18("1","3","5","4","7","3","1") = "6"
    & skf18("1","3","5","4","7","4","1") = "6"
    & skf18("1","3","5","4","7","5","1") = "6"
    & skf18("1","3","5","4","7","6","1") = "6"
    & skf18("1","3","5","4","7","7","1") = "6"
    & skf18("1","3","5","4","7","8","1") = "7"
    & skf18("1","3","5","4","7","9","1") = "8"
    & skf18("1","3","5","4","7","10","1") = "9"
    & skf18("1","3","5","4","8","1","1") = "7"
    & skf18("1","3","5","4","8","2","1") = "7"
    & skf18("1","3","5","4","8","3","1") = "7"
    & skf18("1","3","5","4","8","4","1") = "7"
    & skf18("1","3","5","4","8","5","1") = "7"
    & skf18("1","3","5","4","8","6","1") = "7"
    & skf18("1","3","5","4","8","7","1") = "7"
    & skf18("1","3","5","4","8","8","1") = "7"
    & skf18("1","3","5","4","8","9","1") = "8"
    & skf18("1","3","5","4","8","10","1") = "9"
    & skf18("1","3","5","4","9","1","1") = "8"
    & skf18("1","3","5","4","9","2","1") = "8"
    & skf18("1","3","5","4","9","3","1") = "8"
    & skf18("1","3","5","4","9","4","1") = "8"
    & skf18("1","3","5","4","9","5","1") = "8"
    & skf18("1","3","5","4","9","6","1") = "8"
    & skf18("1","3","5","4","9","7","1") = "8"
    & skf18("1","3","5","4","9","8","1") = "8"
    & skf18("1","3","5","4","9","9","1") = "8"
    & skf18("1","3","5","4","9","10","1") = "9"
    & skf18("1","3","5","4","10","1","1") = "9"
    & skf18("1","3","5","4","10","2","1") = "9"
    & skf18("1","3","5","4","10","3","1") = "9"
    & skf18("1","3","5","4","10","4","1") = "9"
    & skf18("1","3","5","4","10","5","1") = "9"
    & skf18("1","3","5","4","10","6","1") = "9"
    & skf18("1","3","5","4","10","7","1") = "9"
    & skf18("1","3","5","4","10","8","1") = "9"
    & skf18("1","3","5","4","10","9","1") = "9"
    & skf18("1","3","5","4","10","10","1") = "9"
    & skf18("1","3","5","5","1","1","1") = "4"
    & skf18("1","3","5","5","1","2","1") = "4"
    & skf18("1","3","5","5","1","3","1") = "4"
    & skf18("1","3","5","5","1","4","1") = "4"
    & skf18("1","3","5","5","1","5","1") = "4"
    & skf18("1","3","5","5","1","6","1") = "5"
    & skf18("1","3","5","5","1","7","1") = "6"
    & skf18("1","3","5","5","1","8","1") = "7"
    & skf18("1","3","5","5","1","9","1") = "8"
    & skf18("1","3","5","5","1","10","1") = "9"
    & skf18("1","3","5","5","2","1","1") = "4"
    & skf18("1","3","5","5","2","2","1") = "4"
    & skf18("1","3","5","5","2","3","1") = "4"
    & skf18("1","3","5","5","2","4","1") = "4"
    & skf18("1","3","5","5","2","5","1") = "4"
    & skf18("1","3","5","5","2","6","1") = "5"
    & skf18("1","3","5","5","2","7","1") = "6"
    & skf18("1","3","5","5","2","8","1") = "7"
    & skf18("1","3","5","5","2","9","1") = "8"
    & skf18("1","3","5","5","2","10","1") = "9"
    & skf18("1","3","5","5","3","1","1") = "4"
    & skf18("1","3","5","5","3","2","1") = "4"
    & skf18("1","3","5","5","3","3","1") = "4"
    & skf18("1","3","5","5","3","4","1") = "4"
    & skf18("1","3","5","5","3","5","1") = "4"
    & skf18("1","3","5","5","3","6","1") = "5"
    & skf18("1","3","5","5","3","7","1") = "6"
    & skf18("1","3","5","5","3","8","1") = "7"
    & skf18("1","3","5","5","3","9","1") = "8"
    & skf18("1","3","5","5","3","10","1") = "9"
    & skf18("1","3","5","5","4","1","1") = "4"
    & skf18("1","3","5","5","4","2","1") = "4"
    & skf18("1","3","5","5","4","3","1") = "4"
    & skf18("1","3","5","5","4","4","1") = "4"
    & skf18("1","3","5","5","4","5","1") = "4"
    & skf18("1","3","5","5","4","6","1") = "5"
    & skf18("1","3","5","5","4","7","1") = "6"
    & skf18("1","3","5","5","4","8","1") = "7"
    & skf18("1","3","5","5","4","9","1") = "8"
    & skf18("1","3","5","5","4","10","1") = "9"
    & skf18("1","3","5","5","5","1","1") = "4"
    & skf18("1","3","5","5","5","2","1") = "4"
    & skf18("1","3","5","5","5","3","1") = "4"
    & skf18("1","3","5","5","5","4","1") = "4"
    & skf18("1","3","5","5","5","5","1") = "4"
    & skf18("1","3","5","5","5","6","1") = "5"
    & skf18("1","3","5","5","5","7","1") = "6"
    & skf18("1","3","5","5","5","8","1") = "7"
    & skf18("1","3","5","5","5","9","1") = "8"
    & skf18("1","3","5","5","5","10","1") = "9"
    & skf18("1","3","5","5","6","1","1") = "5"
    & skf18("1","3","5","5","6","2","1") = "5"
    & skf18("1","3","5","5","6","3","1") = "5"
    & skf18("1","3","5","5","6","4","1") = "5"
    & skf18("1","3","5","5","6","5","1") = "5"
    & skf18("1","3","5","5","6","6","1") = "5"
    & skf18("1","3","5","5","6","7","1") = "6"
    & skf18("1","3","5","5","6","8","1") = "7"
    & skf18("1","3","5","5","6","9","1") = "8"
    & skf18("1","3","5","5","6","10","1") = "9"
    & skf18("1","3","5","5","7","1","1") = "6"
    & skf18("1","3","5","5","7","2","1") = "6"
    & skf18("1","3","5","5","7","3","1") = "6"
    & skf18("1","3","5","5","7","4","1") = "6"
    & skf18("1","3","5","5","7","5","1") = "6"
    & skf18("1","3","5","5","7","6","1") = "6"
    & skf18("1","3","5","5","7","7","1") = "6"
    & skf18("1","3","5","5","7","8","1") = "7"
    & skf18("1","3","5","5","7","9","1") = "8"
    & skf18("1","3","5","5","7","10","1") = "9"
    & skf18("1","3","5","5","8","1","1") = "7"
    & skf18("1","3","5","5","8","2","1") = "7"
    & skf18("1","3","5","5","8","3","1") = "7"
    & skf18("1","3","5","5","8","4","1") = "7"
    & skf18("1","3","5","5","8","5","1") = "7"
    & skf18("1","3","5","5","8","6","1") = "7"
    & skf18("1","3","5","5","8","7","1") = "7"
    & skf18("1","3","5","5","8","8","1") = "7"
    & skf18("1","3","5","5","8","9","1") = "8"
    & skf18("1","3","5","5","8","10","1") = "9"
    & skf18("1","3","5","5","9","1","1") = "8"
    & skf18("1","3","5","5","9","2","1") = "8"
    & skf18("1","3","5","5","9","3","1") = "8"
    & skf18("1","3","5","5","9","4","1") = "8"
    & skf18("1","3","5","5","9","5","1") = "8"
    & skf18("1","3","5","5","9","6","1") = "8"
    & skf18("1","3","5","5","9","7","1") = "8"
    & skf18("1","3","5","5","9","8","1") = "8"
    & skf18("1","3","5","5","9","9","1") = "8"
    & skf18("1","3","5","5","9","10","1") = "9"
    & skf18("1","3","5","5","10","1","1") = "9"
    & skf18("1","3","5","5","10","2","1") = "9"
    & skf18("1","3","5","5","10","3","1") = "9"
    & skf18("1","3","5","5","10","4","1") = "9"
    & skf18("1","3","5","5","10","5","1") = "9"
    & skf18("1","3","5","5","10","6","1") = "9"
    & skf18("1","3","5","5","10","7","1") = "9"
    & skf18("1","3","5","5","10","8","1") = "9"
    & skf18("1","3","5","5","10","9","1") = "9"
    & skf18("1","3","5","5","10","10","1") = "9"
    & skf18("1","3","5","6","1","1","1") = "5"
    & skf18("1","3","5","6","1","2","1") = "5"
    & skf18("1","3","5","6","1","3","1") = "5"
    & skf18("1","3","5","6","1","4","1") = "5"
    & skf18("1","3","5","6","1","5","1") = "5"
    & skf18("1","3","5","6","1","6","1") = "5"
    & skf18("1","3","5","6","1","7","1") = "6"
    & skf18("1","3","5","6","1","8","1") = "7"
    & skf18("1","3","5","6","1","9","1") = "8"
    & skf18("1","3","5","6","1","10","1") = "9"
    & skf18("1","3","5","6","2","1","1") = "5"
    & skf18("1","3","5","6","2","2","1") = "5"
    & skf18("1","3","5","6","2","3","1") = "5"
    & skf18("1","3","5","6","2","4","1") = "5"
    & skf18("1","3","5","6","2","5","1") = "5"
    & skf18("1","3","5","6","2","6","1") = "5"
    & skf18("1","3","5","6","2","7","1") = "6"
    & skf18("1","3","5","6","2","8","1") = "7"
    & skf18("1","3","5","6","2","9","1") = "8"
    & skf18("1","3","5","6","2","10","1") = "9"
    & skf18("1","3","5","6","3","1","1") = "5"
    & skf18("1","3","5","6","3","2","1") = "5"
    & skf18("1","3","5","6","3","3","1") = "5"
    & skf18("1","3","5","6","3","4","1") = "5"
    & skf18("1","3","5","6","3","5","1") = "5"
    & skf18("1","3","5","6","3","6","1") = "5"
    & skf18("1","3","5","6","3","7","1") = "6"
    & skf18("1","3","5","6","3","8","1") = "7"
    & skf18("1","3","5","6","3","9","1") = "8"
    & skf18("1","3","5","6","3","10","1") = "9"
    & skf18("1","3","5","6","4","1","1") = "5"
    & skf18("1","3","5","6","4","2","1") = "5"
    & skf18("1","3","5","6","4","3","1") = "5"
    & skf18("1","3","5","6","4","4","1") = "5"
    & skf18("1","3","5","6","4","5","1") = "5"
    & skf18("1","3","5","6","4","6","1") = "5"
    & skf18("1","3","5","6","4","7","1") = "6"
    & skf18("1","3","5","6","4","8","1") = "7"
    & skf18("1","3","5","6","4","9","1") = "8"
    & skf18("1","3","5","6","4","10","1") = "9"
    & skf18("1","3","5","6","5","1","1") = "5"
    & skf18("1","3","5","6","5","2","1") = "5"
    & skf18("1","3","5","6","5","3","1") = "5"
    & skf18("1","3","5","6","5","4","1") = "5"
    & skf18("1","3","5","6","5","5","1") = "5"
    & skf18("1","3","5","6","5","6","1") = "5"
    & skf18("1","3","5","6","5","7","1") = "6"
    & skf18("1","3","5","6","5","8","1") = "7"
    & skf18("1","3","5","6","5","9","1") = "8"
    & skf18("1","3","5","6","5","10","1") = "9"
    & skf18("1","3","5","6","6","1","1") = "5"
    & skf18("1","3","5","6","6","2","1") = "5"
    & skf18("1","3","5","6","6","3","1") = "5"
    & skf18("1","3","5","6","6","4","1") = "5"
    & skf18("1","3","5","6","6","5","1") = "5"
    & skf18("1","3","5","6","6","6","1") = "5"
    & skf18("1","3","5","6","6","7","1") = "6"
    & skf18("1","3","5","6","6","8","1") = "7"
    & skf18("1","3","5","6","6","9","1") = "8"
    & skf18("1","3","5","6","6","10","1") = "9"
    & skf18("1","3","5","6","7","1","1") = "6"
    & skf18("1","3","5","6","7","2","1") = "6"
    & skf18("1","3","5","6","7","3","1") = "6"
    & skf18("1","3","5","6","7","4","1") = "6"
    & skf18("1","3","5","6","7","5","1") = "6"
    & skf18("1","3","5","6","7","6","1") = "6"
    & skf18("1","3","5","6","7","7","1") = "6"
    & skf18("1","3","5","6","7","8","1") = "7"
    & skf18("1","3","5","6","7","9","1") = "8"
    & skf18("1","3","5","6","7","10","1") = "9"
    & skf18("1","3","5","6","8","1","1") = "7"
    & skf18("1","3","5","6","8","2","1") = "7"
    & skf18("1","3","5","6","8","3","1") = "7"
    & skf18("1","3","5","6","8","4","1") = "7"
    & skf18("1","3","5","6","8","5","1") = "7"
    & skf18("1","3","5","6","8","6","1") = "7"
    & skf18("1","3","5","6","8","7","1") = "7"
    & skf18("1","3","5","6","8","8","1") = "7"
    & skf18("1","3","5","6","8","9","1") = "8"
    & skf18("1","3","5","6","8","10","1") = "9"
    & skf18("1","3","5","6","9","1","1") = "8"
    & skf18("1","3","5","6","9","2","1") = "8"
    & skf18("1","3","5","6","9","3","1") = "8"
    & skf18("1","3","5","6","9","4","1") = "8"
    & skf18("1","3","5","6","9","5","1") = "8"
    & skf18("1","3","5","6","9","6","1") = "8"
    & skf18("1","3","5","6","9","7","1") = "8"
    & skf18("1","3","5","6","9","8","1") = "8"
    & skf18("1","3","5","6","9","9","1") = "8"
    & skf18("1","3","5","6","9","10","1") = "9"
    & skf18("1","3","5","6","10","1","1") = "9"
    & skf18("1","3","5","6","10","2","1") = "9"
    & skf18("1","3","5","6","10","3","1") = "9"
    & skf18("1","3","5","6","10","4","1") = "9"
    & skf18("1","3","5","6","10","5","1") = "9"
    & skf18("1","3","5","6","10","6","1") = "9"
    & skf18("1","3","5","6","10","7","1") = "9"
    & skf18("1","3","5","6","10","8","1") = "9"
    & skf18("1","3","5","6","10","9","1") = "9"
    & skf18("1","3","5","6","10","10","1") = "9"
    & skf18("1","3","5","7","1","1","1") = "6"
    & skf18("1","3","5","7","1","2","1") = "6"
    & skf18("1","3","5","7","1","3","1") = "6"
    & skf18("1","3","5","7","1","4","1") = "6"
    & skf18("1","3","5","7","1","5","1") = "6"
    & skf18("1","3","5","7","1","6","1") = "6"
    & skf18("1","3","5","7","1","7","1") = "6"
    & skf18("1","3","5","7","1","8","1") = "7"
    & skf18("1","3","5","7","1","9","1") = "8"
    & skf18("1","3","5","7","1","10","1") = "9"
    & skf18("1","3","5","7","2","1","1") = "6"
    & skf18("1","3","5","7","2","2","1") = "6"
    & skf18("1","3","5","7","2","3","1") = "6"
    & skf18("1","3","5","7","2","4","1") = "6"
    & skf18("1","3","5","7","2","5","1") = "6"
    & skf18("1","3","5","7","2","6","1") = "6"
    & skf18("1","3","5","7","2","7","1") = "6"
    & skf18("1","3","5","7","2","8","1") = "7"
    & skf18("1","3","5","7","2","9","1") = "8"
    & skf18("1","3","5","7","2","10","1") = "9"
    & skf18("1","3","5","7","3","1","1") = "6"
    & skf18("1","3","5","7","3","2","1") = "6"
    & skf18("1","3","5","7","3","3","1") = "6"
    & skf18("1","3","5","7","3","4","1") = "6"
    & skf18("1","3","5","7","3","5","1") = "6"
    & skf18("1","3","5","7","3","6","1") = "6"
    & skf18("1","3","5","7","3","7","1") = "6"
    & skf18("1","3","5","7","3","8","1") = "7"
    & skf18("1","3","5","7","3","9","1") = "8"
    & skf18("1","3","5","7","3","10","1") = "9"
    & skf18("1","3","5","7","4","1","1") = "6"
    & skf18("1","3","5","7","4","2","1") = "6"
    & skf18("1","3","5","7","4","3","1") = "6"
    & skf18("1","3","5","7","4","4","1") = "6"
    & skf18("1","3","5","7","4","5","1") = "6"
    & skf18("1","3","5","7","4","6","1") = "6"
    & skf18("1","3","5","7","4","7","1") = "6"
    & skf18("1","3","5","7","4","8","1") = "7"
    & skf18("1","3","5","7","4","9","1") = "8"
    & skf18("1","3","5","7","4","10","1") = "9"
    & skf18("1","3","5","7","5","1","1") = "6"
    & skf18("1","3","5","7","5","2","1") = "6"
    & skf18("1","3","5","7","5","3","1") = "6"
    & skf18("1","3","5","7","5","4","1") = "6"
    & skf18("1","3","5","7","5","5","1") = "6"
    & skf18("1","3","5","7","5","6","1") = "6"
    & skf18("1","3","5","7","5","7","1") = "6"
    & skf18("1","3","5","7","5","8","1") = "7"
    & skf18("1","3","5","7","5","9","1") = "8"
    & skf18("1","3","5","7","5","10","1") = "9"
    & skf18("1","3","5","7","6","1","1") = "6"
    & skf18("1","3","5","7","6","2","1") = "6"
    & skf18("1","3","5","7","6","3","1") = "6"
    & skf18("1","3","5","7","6","4","1") = "6"
    & skf18("1","3","5","7","6","5","1") = "6"
    & skf18("1","3","5","7","6","6","1") = "6"
    & skf18("1","3","5","7","6","7","1") = "6"
    & skf18("1","3","5","7","6","8","1") = "7"
    & skf18("1","3","5","7","6","9","1") = "8"
    & skf18("1","3","5","7","6","10","1") = "9"
    & skf18("1","3","5","7","7","1","1") = "6"
    & skf18("1","3","5","7","7","2","1") = "6"
    & skf18("1","3","5","7","7","3","1") = "6"
    & skf18("1","3","5","7","7","4","1") = "6"
    & skf18("1","3","5","7","7","5","1") = "6"
    & skf18("1","3","5","7","7","6","1") = "6"
    & skf18("1","3","5","7","7","7","1") = "6"
    & skf18("1","3","5","7","7","8","1") = "7"
    & skf18("1","3","5","7","7","9","1") = "8"
    & skf18("1","3","5","7","7","10","1") = "9"
    & skf18("1","3","5","7","8","1","1") = "7"
    & skf18("1","3","5","7","8","2","1") = "7"
    & skf18("1","3","5","7","8","3","1") = "7"
    & skf18("1","3","5","7","8","4","1") = "7"
    & skf18("1","3","5","7","8","5","1") = "7"
    & skf18("1","3","5","7","8","6","1") = "7"
    & skf18("1","3","5","7","8","7","1") = "7"
    & skf18("1","3","5","7","8","8","1") = "7"
    & skf18("1","3","5","7","8","9","1") = "8"
    & skf18("1","3","5","7","8","10","1") = "9"
    & skf18("1","3","5","7","9","1","1") = "8"
    & skf18("1","3","5","7","9","2","1") = "8"
    & skf18("1","3","5","7","9","3","1") = "8"
    & skf18("1","3","5","7","9","4","1") = "8"
    & skf18("1","3","5","7","9","5","1") = "8"
    & skf18("1","3","5","7","9","6","1") = "8"
    & skf18("1","3","5","7","9","7","1") = "8"
    & skf18("1","3","5","7","9","8","1") = "8"
    & skf18("1","3","5","7","9","9","1") = "8"
    & skf18("1","3","5","7","9","10","1") = "9"
    & skf18("1","3","5","7","10","1","1") = "9"
    & skf18("1","3","5","7","10","2","1") = "9"
    & skf18("1","3","5","7","10","3","1") = "9"
    & skf18("1","3","5","7","10","4","1") = "9"
    & skf18("1","3","5","7","10","5","1") = "9"
    & skf18("1","3","5","7","10","6","1") = "9"
    & skf18("1","3","5","7","10","7","1") = "9"
    & skf18("1","3","5","7","10","8","1") = "9"
    & skf18("1","3","5","7","10","9","1") = "9"
    & skf18("1","3","5","7","10","10","1") = "9"
    & skf18("1","3","5","8","1","1","1") = "7"
    & skf18("1","3","5","8","1","2","1") = "7"
    & skf18("1","3","5","8","1","3","1") = "7"
    & skf18("1","3","5","8","1","4","1") = "7"
    & skf18("1","3","5","8","1","5","1") = "7"
    & skf18("1","3","5","8","1","6","1") = "7"
    & skf18("1","3","5","8","1","7","1") = "7"
    & skf18("1","3","5","8","1","8","1") = "7"
    & skf18("1","3","5","8","1","9","1") = "8"
    & skf18("1","3","5","8","1","10","1") = "9"
    & skf18("1","3","5","8","2","1","1") = "7"
    & skf18("1","3","5","8","2","2","1") = "7"
    & skf18("1","3","5","8","2","3","1") = "7"
    & skf18("1","3","5","8","2","4","1") = "7"
    & skf18("1","3","5","8","2","5","1") = "7"
    & skf18("1","3","5","8","2","6","1") = "7"
    & skf18("1","3","5","8","2","7","1") = "7"
    & skf18("1","3","5","8","2","8","1") = "7"
    & skf18("1","3","5","8","2","9","1") = "8"
    & skf18("1","3","5","8","2","10","1") = "9"
    & skf18("1","3","5","8","3","1","1") = "7"
    & skf18("1","3","5","8","3","2","1") = "7"
    & skf18("1","3","5","8","3","3","1") = "7"
    & skf18("1","3","5","8","3","4","1") = "7"
    & skf18("1","3","5","8","3","5","1") = "7"
    & skf18("1","3","5","8","3","6","1") = "7"
    & skf18("1","3","5","8","3","7","1") = "7"
    & skf18("1","3","5","8","3","8","1") = "7"
    & skf18("1","3","5","8","3","9","1") = "8"
    & skf18("1","3","5","8","3","10","1") = "9"
    & skf18("1","3","5","8","4","1","1") = "7"
    & skf18("1","3","5","8","4","2","1") = "7"
    & skf18("1","3","5","8","4","3","1") = "7"
    & skf18("1","3","5","8","4","4","1") = "7"
    & skf18("1","3","5","8","4","5","1") = "7"
    & skf18("1","3","5","8","4","6","1") = "7"
    & skf18("1","3","5","8","4","7","1") = "7"
    & skf18("1","3","5","8","4","8","1") = "7"
    & skf18("1","3","5","8","4","9","1") = "8"
    & skf18("1","3","5","8","4","10","1") = "9"
    & skf18("1","3","5","8","5","1","1") = "7"
    & skf18("1","3","5","8","5","2","1") = "7"
    & skf18("1","3","5","8","5","3","1") = "7"
    & skf18("1","3","5","8","5","4","1") = "7"
    & skf18("1","3","5","8","5","5","1") = "7"
    & skf18("1","3","5","8","5","6","1") = "7"
    & skf18("1","3","5","8","5","7","1") = "7"
    & skf18("1","3","5","8","5","8","1") = "7"
    & skf18("1","3","5","8","5","9","1") = "8"
    & skf18("1","3","5","8","5","10","1") = "9"
    & skf18("1","3","5","8","6","1","1") = "7"
    & skf18("1","3","5","8","6","2","1") = "7"
    & skf18("1","3","5","8","6","3","1") = "7"
    & skf18("1","3","5","8","6","4","1") = "7"
    & skf18("1","3","5","8","6","5","1") = "7"
    & skf18("1","3","5","8","6","6","1") = "7"
    & skf18("1","3","5","8","6","7","1") = "7"
    & skf18("1","3","5","8","6","8","1") = "7"
    & skf18("1","3","5","8","6","9","1") = "8"
    & skf18("1","3","5","8","6","10","1") = "9"
    & skf18("1","3","5","8","7","1","1") = "7"
    & skf18("1","3","5","8","7","2","1") = "7"
    & skf18("1","3","5","8","7","3","1") = "7"
    & skf18("1","3","5","8","7","4","1") = "7"
    & skf18("1","3","5","8","7","5","1") = "7"
    & skf18("1","3","5","8","7","6","1") = "7"
    & skf18("1","3","5","8","7","7","1") = "7"
    & skf18("1","3","5","8","7","8","1") = "7"
    & skf18("1","3","5","8","7","9","1") = "8"
    & skf18("1","3","5","8","7","10","1") = "9"
    & skf18("1","3","5","8","8","1","1") = "7"
    & skf18("1","3","5","8","8","2","1") = "7"
    & skf18("1","3","5","8","8","3","1") = "7"
    & skf18("1","3","5","8","8","4","1") = "7"
    & skf18("1","3","5","8","8","5","1") = "7"
    & skf18("1","3","5","8","8","6","1") = "7"
    & skf18("1","3","5","8","8","7","1") = "7"
    & skf18("1","3","5","8","8","8","1") = "7"
    & skf18("1","3","5","8","8","9","1") = "8"
    & skf18("1","3","5","8","8","10","1") = "9"
    & skf18("1","3","5","8","9","1","1") = "8"
    & skf18("1","3","5","8","9","2","1") = "8"
    & skf18("1","3","5","8","9","3","1") = "8"
    & skf18("1","3","5","8","9","4","1") = "8"
    & skf18("1","3","5","8","9","5","1") = "8"
    & skf18("1","3","5","8","9","6","1") = "8"
    & skf18("1","3","5","8","9","7","1") = "8"
    & skf18("1","3","5","8","9","8","1") = "8"
    & skf18("1","3","5","8","9","9","1") = "8"
    & skf18("1","3","5","8","9","10","1") = "9"
    & skf18("1","3","5","8","10","1","1") = "9"
    & skf18("1","3","5","8","10","2","1") = "9"
    & skf18("1","3","5","8","10","3","1") = "9"
    & skf18("1","3","5","8","10","4","1") = "9"
    & skf18("1","3","5","8","10","5","1") = "9"
    & skf18("1","3","5","8","10","6","1") = "9"
    & skf18("1","3","5","8","10","7","1") = "9"
    & skf18("1","3","5","8","10","8","1") = "9"
    & skf18("1","3","5","8","10","9","1") = "9"
    & skf18("1","3","5","8","10","10","1") = "9"
    & skf18("1","3","5","9","1","1","1") = "8"
    & skf18("1","3","5","9","1","2","1") = "8"
    & skf18("1","3","5","9","1","3","1") = "8"
    & skf18("1","3","5","9","1","4","1") = "8"
    & skf18("1","3","5","9","1","5","1") = "8"
    & skf18("1","3","5","9","1","6","1") = "8"
    & skf18("1","3","5","9","1","7","1") = "8"
    & skf18("1","3","5","9","1","8","1") = "8"
    & skf18("1","3","5","9","1","9","1") = "8"
    & skf18("1","3","5","9","1","10","1") = "9"
    & skf18("1","3","5","9","2","1","1") = "8"
    & skf18("1","3","5","9","2","2","1") = "8"
    & skf18("1","3","5","9","2","3","1") = "8"
    & skf18("1","3","5","9","2","4","1") = "8"
    & skf18("1","3","5","9","2","5","1") = "8"
    & skf18("1","3","5","9","2","6","1") = "8"
    & skf18("1","3","5","9","2","7","1") = "8"
    & skf18("1","3","5","9","2","8","1") = "8"
    & skf18("1","3","5","9","2","9","1") = "8"
    & skf18("1","3","5","9","2","10","1") = "9"
    & skf18("1","3","5","9","3","1","1") = "8"
    & skf18("1","3","5","9","3","2","1") = "8"
    & skf18("1","3","5","9","3","3","1") = "8"
    & skf18("1","3","5","9","3","4","1") = "8"
    & skf18("1","3","5","9","3","5","1") = "8"
    & skf18("1","3","5","9","3","6","1") = "8"
    & skf18("1","3","5","9","3","7","1") = "8"
    & skf18("1","3","5","9","3","8","1") = "8"
    & skf18("1","3","5","9","3","9","1") = "8"
    & skf18("1","3","5","9","3","10","1") = "9"
    & skf18("1","3","5","9","4","1","1") = "8"
    & skf18("1","3","5","9","4","2","1") = "8"
    & skf18("1","3","5","9","4","3","1") = "8"
    & skf18("1","3","5","9","4","4","1") = "8"
    & skf18("1","3","5","9","4","5","1") = "8"
    & skf18("1","3","5","9","4","6","1") = "8"
    & skf18("1","3","5","9","4","7","1") = "8"
    & skf18("1","3","5","9","4","8","1") = "8"
    & skf18("1","3","5","9","4","9","1") = "8"
    & skf18("1","3","5","9","4","10","1") = "9"
    & skf18("1","3","5","9","5","1","1") = "8"
    & skf18("1","3","5","9","5","2","1") = "8"
    & skf18("1","3","5","9","5","3","1") = "8"
    & skf18("1","3","5","9","5","4","1") = "8"
    & skf18("1","3","5","9","5","5","1") = "8"
    & skf18("1","3","5","9","5","6","1") = "8"
    & skf18("1","3","5","9","5","7","1") = "8"
    & skf18("1","3","5","9","5","8","1") = "8"
    & skf18("1","3","5","9","5","9","1") = "8"
    & skf18("1","3","5","9","5","10","1") = "9"
    & skf18("1","3","5","9","6","1","1") = "8"
    & skf18("1","3","5","9","6","2","1") = "8"
    & skf18("1","3","5","9","6","3","1") = "8"
    & skf18("1","3","5","9","6","4","1") = "8"
    & skf18("1","3","5","9","6","5","1") = "8"
    & skf18("1","3","5","9","6","6","1") = "8"
    & skf18("1","3","5","9","6","7","1") = "8"
    & skf18("1","3","5","9","6","8","1") = "8"
    & skf18("1","3","5","9","6","9","1") = "8"
    & skf18("1","3","5","9","6","10","1") = "9"
    & skf18("1","3","5","9","7","1","1") = "8"
    & skf18("1","3","5","9","7","2","1") = "8"
    & skf18("1","3","5","9","7","3","1") = "8"
    & skf18("1","3","5","9","7","4","1") = "8"
    & skf18("1","3","5","9","7","5","1") = "8"
    & skf18("1","3","5","9","7","6","1") = "8"
    & skf18("1","3","5","9","7","7","1") = "8"
    & skf18("1","3","5","9","7","8","1") = "8"
    & skf18("1","3","5","9","7","9","1") = "8"
    & skf18("1","3","5","9","7","10","1") = "9"
    & skf18("1","3","5","9","8","1","1") = "8"
    & skf18("1","3","5","9","8","2","1") = "8"
    & skf18("1","3","5","9","8","3","1") = "8"
    & skf18("1","3","5","9","8","4","1") = "8"
    & skf18("1","3","5","9","8","5","1") = "8"
    & skf18("1","3","5","9","8","6","1") = "8"
    & skf18("1","3","5","9","8","7","1") = "8"
    & skf18("1","3","5","9","8","8","1") = "8"
    & skf18("1","3","5","9","8","9","1") = "8"
    & skf18("1","3","5","9","8","10","1") = "9"
    & skf18("1","3","5","9","9","1","1") = "8"
    & skf18("1","3","5","9","9","2","1") = "8"
    & skf18("1","3","5","9","9","3","1") = "8"
    & skf18("1","3","5","9","9","4","1") = "8"
    & skf18("1","3","5","9","9","5","1") = "8"
    & skf18("1","3","5","9","9","6","1") = "8"
    & skf18("1","3","5","9","9","7","1") = "8"
    & skf18("1","3","5","9","9","8","1") = "8"
    & skf18("1","3","5","9","9","9","1") = "8"
    & skf18("1","3","5","9","9","10","1") = "9"
    & skf18("1","3","5","9","10","1","1") = "9"
    & skf18("1","3","5","9","10","2","1") = "9"
    & skf18("1","3","5","9","10","3","1") = "9"
    & skf18("1","3","5","9","10","4","1") = "9"
    & skf18("1","3","5","9","10","5","1") = "9"
    & skf18("1","3","5","9","10","6","1") = "9"
    & skf18("1","3","5","9","10","7","1") = "9"
    & skf18("1","3","5","9","10","8","1") = "9"
    & skf18("1","3","5","9","10","9","1") = "9"
    & skf18("1","3","5","9","10","10","1") = "9"
    & skf18("1","3","5","10","1","1","1") = "9"
    & skf18("1","3","5","10","1","2","1") = "9"
    & skf18("1","3","5","10","1","3","1") = "9"
    & skf18("1","3","5","10","1","4","1") = "9"
    & skf18("1","3","5","10","1","5","1") = "9"
    & skf18("1","3","5","10","1","6","1") = "9"
    & skf18("1","3","5","10","1","7","1") = "9"
    & skf18("1","3","5","10","1","8","1") = "9"
    & skf18("1","3","5","10","1","9","1") = "9"
    & skf18("1","3","5","10","1","10","1") = "9"
    & skf18("1","3","5","10","2","1","1") = "9"
    & skf18("1","3","5","10","2","2","1") = "9"
    & skf18("1","3","5","10","2","3","1") = "9"
    & skf18("1","3","5","10","2","4","1") = "9"
    & skf18("1","3","5","10","2","5","1") = "9"
    & skf18("1","3","5","10","2","6","1") = "9"
    & skf18("1","3","5","10","2","7","1") = "9"
    & skf18("1","3","5","10","2","8","1") = "9"
    & skf18("1","3","5","10","2","9","1") = "9"
    & skf18("1","3","5","10","2","10","1") = "9"
    & skf18("1","3","5","10","3","1","1") = "9"
    & skf18("1","3","5","10","3","2","1") = "9"
    & skf18("1","3","5","10","3","3","1") = "9"
    & skf18("1","3","5","10","3","4","1") = "9"
    & skf18("1","3","5","10","3","5","1") = "9"
    & skf18("1","3","5","10","3","6","1") = "9"
    & skf18("1","3","5","10","3","7","1") = "9"
    & skf18("1","3","5","10","3","8","1") = "9"
    & skf18("1","3","5","10","3","9","1") = "9"
    & skf18("1","3","5","10","3","10","1") = "9"
    & skf18("1","3","5","10","4","1","1") = "9"
    & skf18("1","3","5","10","4","2","1") = "9"
    & skf18("1","3","5","10","4","3","1") = "9"
    & skf18("1","3","5","10","4","4","1") = "9"
    & skf18("1","3","5","10","4","5","1") = "9"
    & skf18("1","3","5","10","4","6","1") = "9"
    & skf18("1","3","5","10","4","7","1") = "9"
    & skf18("1","3","5","10","4","8","1") = "9"
    & skf18("1","3","5","10","4","9","1") = "9"
    & skf18("1","3","5","10","4","10","1") = "9"
    & skf18("1","3","5","10","5","1","1") = "9"
    & skf18("1","3","5","10","5","2","1") = "9"
    & skf18("1","3","5","10","5","3","1") = "9"
    & skf18("1","3","5","10","5","4","1") = "9"
    & skf18("1","3","5","10","5","5","1") = "9"
    & skf18("1","3","5","10","5","6","1") = "9"
    & skf18("1","3","5","10","5","7","1") = "9"
    & skf18("1","3","5","10","5","8","1") = "9"
    & skf18("1","3","5","10","5","9","1") = "9"
    & skf18("1","3","5","10","5","10","1") = "9"
    & skf18("1","3","5","10","6","1","1") = "9"
    & skf18("1","3","5","10","6","2","1") = "9"
    & skf18("1","3","5","10","6","3","1") = "9"
    & skf18("1","3","5","10","6","4","1") = "9"
    & skf18("1","3","5","10","6","5","1") = "9"
    & skf18("1","3","5","10","6","6","1") = "9"
    & skf18("1","3","5","10","6","7","1") = "9"
    & skf18("1","3","5","10","6","8","1") = "9"
    & skf18("1","3","5","10","6","9","1") = "9"
    & skf18("1","3","5","10","6","10","1") = "9"
    & skf18("1","3","5","10","7","1","1") = "9"
    & skf18("1","3","5","10","7","2","1") = "9"
    & skf18("1","3","5","10","7","3","1") = "9"
    & skf18("1","3","5","10","7","4","1") = "9"
    & skf18("1","3","5","10","7","5","1") = "9"
    & skf18("1","3","5","10","7","6","1") = "9"
    & skf18("1","3","5","10","7","7","1") = "9"
    & skf18("1","3","5","10","7","8","1") = "9"
    & skf18("1","3","5","10","7","9","1") = "9"
    & skf18("1","3","5","10","7","10","1") = "9"
    & skf18("1","3","5","10","8","1","1") = "9"
    & skf18("1","3","5","10","8","2","1") = "9"
    & skf18("1","3","5","10","8","3","1") = "9"
    & skf18("1","3","5","10","8","4","1") = "9"
    & skf18("1","3","5","10","8","5","1") = "9"
    & skf18("1","3","5","10","8","6","1") = "9"
    & skf18("1","3","5","10","8","7","1") = "9"
    & skf18("1","3","5","10","8","8","1") = "9"
    & skf18("1","3","5","10","8","9","1") = "9"
    & skf18("1","3","5","10","8","10","1") = "9"
    & skf18("1","3","5","10","9","1","1") = "9"
    & skf18("1","3","5","10","9","2","1") = "9"
    & skf18("1","3","5","10","9","3","1") = "9"
    & skf18("1","3","5","10","9","4","1") = "9"
    & skf18("1","3","5","10","9","5","1") = "9"
    & skf18("1","3","5","10","9","6","1") = "9"
    & skf18("1","3","5","10","9","7","1") = "9"
    & skf18("1","3","5","10","9","8","1") = "9"
    & skf18("1","3","5","10","9","9","1") = "9"
    & skf18("1","3","5","10","9","10","1") = "9"
    & skf18("1","3","5","10","10","1","1") = "9"
    & skf18("1","3","5","10","10","2","1") = "9"
    & skf18("1","3","5","10","10","3","1") = "9"
    & skf18("1","3","5","10","10","4","1") = "9"
    & skf18("1","3","5","10","10","5","1") = "9"
    & skf18("1","3","5","10","10","6","1") = "9"
    & skf18("1","3","5","10","10","7","1") = "9"
    & skf18("1","3","5","10","10","8","1") = "9"
    & skf18("1","3","5","10","10","9","1") = "9"
    & skf18("1","3","5","10","10","10","1") = "9"
    & skf18("1","3","6","1","1","1","1") = "5"
    & skf18("1","3","6","1","1","2","1") = "4"
    & skf18("1","3","6","1","1","3","1") = "4"
    & skf18("1","3","6","1","1","4","1") = "5"
    & skf18("1","3","6","1","1","5","1") = "5"
    & skf18("1","3","6","1","1","6","1") = "5"
    & skf18("1","3","6","1","1","7","1") = "6"
    & skf18("1","3","6","1","1","8","1") = "7"
    & skf18("1","3","6","1","1","9","1") = "8"
    & skf18("1","3","6","1","1","10","1") = "9"
    & skf18("1","3","6","1","2","1","1") = "5"
    & skf18("1","3","6","1","2","2","1") = "5"
    & skf18("1","3","6","1","2","3","1") = "5"
    & skf18("1","3","6","1","2","4","1") = "5"
    & skf18("1","3","6","1","2","5","1") = "5"
    & skf18("1","3","6","1","2","6","1") = "5"
    & skf18("1","3","6","1","2","7","1") = "6"
    & skf18("1","3","6","1","2","8","1") = "7"
    & skf18("1","3","6","1","2","9","1") = "8"
    & skf18("1","3","6","1","2","10","1") = "9"
    & skf18("1","3","6","1","3","1","1") = "5"
    & skf18("1","3","6","1","3","2","1") = "5"
    & skf18("1","3","6","1","3","3","1") = "5"
    & skf18("1","3","6","1","3","4","1") = "5"
    & skf18("1","3","6","1","3","5","1") = "5"
    & skf18("1","3","6","1","3","6","1") = "5"
    & skf18("1","3","6","1","3","7","1") = "6"
    & skf18("1","3","6","1","3","8","1") = "7"
    & skf18("1","3","6","1","3","9","1") = "8"
    & skf18("1","3","6","1","3","10","1") = "9"
    & skf18("1","3","6","1","4","1","1") = "5"
    & skf18("1","3","6","1","4","2","1") = "5"
    & skf18("1","3","6","1","4","3","1") = "5"
    & skf18("1","3","6","1","4","4","1") = "5"
    & skf18("1","3","6","1","4","5","1") = "5"
    & skf18("1","3","6","1","4","6","1") = "5"
    & skf18("1","3","6","1","4","7","1") = "6"
    & skf18("1","3","6","1","4","8","1") = "7"
    & skf18("1","3","6","1","4","9","1") = "8"
    & skf18("1","3","6","1","4","10","1") = "9"
    & skf18("1","3","6","1","5","1","1") = "5"
    & skf18("1","3","6","1","5","2","1") = "5"
    & skf18("1","3","6","1","5","3","1") = "5"
    & skf18("1","3","6","1","5","4","1") = "5"
    & skf18("1","3","6","1","5","5","1") = "5"
    & skf18("1","3","6","1","5","6","1") = "5"
    & skf18("1","3","6","1","5","7","1") = "6"
    & skf18("1","3","6","1","5","8","1") = "7"
    & skf18("1","3","6","1","5","9","1") = "8"
    & skf18("1","3","6","1","5","10","1") = "9"
    & skf18("1","3","6","1","6","1","1") = "5"
    & skf18("1","3","6","1","6","2","1") = "5"
    & skf18("1","3","6","1","6","3","1") = "5"
    & skf18("1","3","6","1","6","4","1") = "5"
    & skf18("1","3","6","1","6","5","1") = "5"
    & skf18("1","3","6","1","6","6","1") = "5"
    & skf18("1","3","6","1","6","7","1") = "6"
    & skf18("1","3","6","1","6","8","1") = "7"
    & skf18("1","3","6","1","6","9","1") = "8"
    & skf18("1","3","6","1","6","10","1") = "9"
    & skf18("1","3","6","1","7","1","1") = "6"
    & skf18("1","3","6","1","7","2","1") = "6"
    & skf18("1","3","6","1","7","3","1") = "6"
    & skf18("1","3","6","1","7","4","1") = "6"
    & skf18("1","3","6","1","7","5","1") = "6"
    & skf18("1","3","6","1","7","6","1") = "6"
    & skf18("1","3","6","1","7","7","1") = "6"
    & skf18("1","3","6","1","7","8","1") = "7"
    & skf18("1","3","6","1","7","9","1") = "8"
    & skf18("1","3","6","1","7","10","1") = "9"
    & skf18("1","3","6","1","8","1","1") = "7"
    & skf18("1","3","6","1","8","2","1") = "7"
    & skf18("1","3","6","1","8","3","1") = "7"
    & skf18("1","3","6","1","8","4","1") = "7"
    & skf18("1","3","6","1","8","5","1") = "7"
    & skf18("1","3","6","1","8","6","1") = "7"
    & skf18("1","3","6","1","8","7","1") = "7"
    & skf18("1","3","6","1","8","8","1") = "7"
    & skf18("1","3","6","1","8","9","1") = "8"
    & skf18("1","3","6","1","8","10","1") = "9"
    & skf18("1","3","6","1","9","1","1") = "8"
    & skf18("1","3","6","1","9","2","1") = "8"
    & skf18("1","3","6","1","9","3","1") = "8"
    & skf18("1","3","6","1","9","4","1") = "8"
    & skf18("1","3","6","1","9","5","1") = "8"
    & skf18("1","3","6","1","9","6","1") = "8"
    & skf18("1","3","6","1","9","7","1") = "8"
    & skf18("1","3","6","1","9","8","1") = "8"
    & skf18("1","3","6","1","9","9","1") = "8"
    & skf18("1","3","6","1","9","10","1") = "9"
    & skf18("1","3","6","1","10","1","1") = "9"
    & skf18("1","3","6","1","10","2","1") = "9"
    & skf18("1","3","6","1","10","3","1") = "9"
    & skf18("1","3","6","1","10","4","1") = "9"
    & skf18("1","3","6","1","10","5","1") = "9"
    & skf18("1","3","6","1","10","6","1") = "9"
    & skf18("1","3","6","1","10","7","1") = "9"
    & skf18("1","3","6","1","10","8","1") = "9"
    & skf18("1","3","6","1","10","9","1") = "9"
    & skf18("1","3","6","1","10","10","1") = "9"
    & skf18("1","3","6","2","1","1","1") = "5"
    & skf18("1","3","6","2","1","2","1") = "5"
    & skf18("1","3","6","2","1","3","1") = "5"
    & skf18("1","3","6","2","1","4","1") = "5"
    & skf18("1","3","6","2","1","5","1") = "5"
    & skf18("1","3","6","2","1","6","1") = "5"
    & skf18("1","3","6","2","1","7","1") = "6"
    & skf18("1","3","6","2","1","8","1") = "7"
    & skf18("1","3","6","2","1","9","1") = "8"
    & skf18("1","3","6","2","1","10","1") = "9"
    & skf18("1","3","6","2","2","1","1") = "5"
    & skf18("1","3","6","2","2","2","1") = "5"
    & skf18("1","3","6","2","2","3","1") = "5"
    & skf18("1","3","6","2","2","4","1") = "5"
    & skf18("1","3","6","2","2","5","1") = "5"
    & skf18("1","3","6","2","2","6","1") = "5"
    & skf18("1","3","6","2","2","7","1") = "6"
    & skf18("1","3","6","2","2","8","1") = "7"
    & skf18("1","3","6","2","2","9","1") = "8"
    & skf18("1","3","6","2","2","10","1") = "9"
    & skf18("1","3","6","2","3","1","1") = "5"
    & skf18("1","3","6","2","3","2","1") = "5"
    & skf18("1","3","6","2","3","3","1") = "5"
    & skf18("1","3","6","2","3","4","1") = "5"
    & skf18("1","3","6","2","3","5","1") = "5"
    & skf18("1","3","6","2","3","6","1") = "5"
    & skf18("1","3","6","2","3","7","1") = "6"
    & skf18("1","3","6","2","3","8","1") = "7"
    & skf18("1","3","6","2","3","9","1") = "8"
    & skf18("1","3","6","2","3","10","1") = "9"
    & skf18("1","3","6","2","4","1","1") = "5"
    & skf18("1","3","6","2","4","2","1") = "5"
    & skf18("1","3","6","2","4","3","1") = "5"
    & skf18("1","3","6","2","4","4","1") = "5"
    & skf18("1","3","6","2","4","5","1") = "5"
    & skf18("1","3","6","2","4","6","1") = "5"
    & skf18("1","3","6","2","4","7","1") = "6"
    & skf18("1","3","6","2","4","8","1") = "7"
    & skf18("1","3","6","2","4","9","1") = "8"
    & skf18("1","3","6","2","4","10","1") = "9"
    & skf18("1","3","6","2","5","1","1") = "5"
    & skf18("1","3","6","2","5","2","1") = "5"
    & skf18("1","3","6","2","5","3","1") = "5"
    & skf18("1","3","6","2","5","4","1") = "5"
    & skf18("1","3","6","2","5","5","1") = "5"
    & skf18("1","3","6","2","5","6","1") = "5"
    & skf18("1","3","6","2","5","7","1") = "6"
    & skf18("1","3","6","2","5","8","1") = "7"
    & skf18("1","3","6","2","5","9","1") = "8"
    & skf18("1","3","6","2","5","10","1") = "9"
    & skf18("1","3","6","2","6","1","1") = "5"
    & skf18("1","3","6","2","6","2","1") = "5"
    & skf18("1","3","6","2","6","3","1") = "5"
    & skf18("1","3","6","2","6","4","1") = "5"
    & skf18("1","3","6","2","6","5","1") = "5"
    & skf18("1","3","6","2","6","6","1") = "5"
    & skf18("1","3","6","2","6","7","1") = "6"
    & skf18("1","3","6","2","6","8","1") = "7"
    & skf18("1","3","6","2","6","9","1") = "8"
    & skf18("1","3","6","2","6","10","1") = "9"
    & skf18("1","3","6","2","7","1","1") = "6"
    & skf18("1","3","6","2","7","2","1") = "6"
    & skf18("1","3","6","2","7","3","1") = "6"
    & skf18("1","3","6","2","7","4","1") = "6"
    & skf18("1","3","6","2","7","5","1") = "6"
    & skf18("1","3","6","2","7","6","1") = "6"
    & skf18("1","3","6","2","7","7","1") = "6"
    & skf18("1","3","6","2","7","8","1") = "7"
    & skf18("1","3","6","2","7","9","1") = "8"
    & skf18("1","3","6","2","7","10","1") = "9"
    & skf18("1","3","6","2","8","1","1") = "7"
    & skf18("1","3","6","2","8","2","1") = "7"
    & skf18("1","3","6","2","8","3","1") = "7"
    & skf18("1","3","6","2","8","4","1") = "7"
    & skf18("1","3","6","2","8","5","1") = "7"
    & skf18("1","3","6","2","8","6","1") = "7"
    & skf18("1","3","6","2","8","7","1") = "7"
    & skf18("1","3","6","2","8","8","1") = "7"
    & skf18("1","3","6","2","8","9","1") = "8"
    & skf18("1","3","6","2","8","10","1") = "9"
    & skf18("1","3","6","2","9","1","1") = "8"
    & skf18("1","3","6","2","9","2","1") = "8"
    & skf18("1","3","6","2","9","3","1") = "8"
    & skf18("1","3","6","2","9","4","1") = "8"
    & skf18("1","3","6","2","9","5","1") = "8"
    & skf18("1","3","6","2","9","6","1") = "8"
    & skf18("1","3","6","2","9","7","1") = "8"
    & skf18("1","3","6","2","9","8","1") = "8"
    & skf18("1","3","6","2","9","9","1") = "8"
    & skf18("1","3","6","2","9","10","1") = "9"
    & skf18("1","3","6","2","10","1","1") = "9"
    & skf18("1","3","6","2","10","2","1") = "9"
    & skf18("1","3","6","2","10","3","1") = "9"
    & skf18("1","3","6","2","10","4","1") = "9"
    & skf18("1","3","6","2","10","5","1") = "9"
    & skf18("1","3","6","2","10","6","1") = "9"
    & skf18("1","3","6","2","10","7","1") = "9"
    & skf18("1","3","6","2","10","8","1") = "9"
    & skf18("1","3","6","2","10","9","1") = "9"
    & skf18("1","3","6","2","10","10","1") = "9"
    & skf18("1","3","6","3","1","1","1") = "5"
    & skf18("1","3","6","3","1","2","1") = "5"
    & skf18("1","3","6","3","1","3","1") = "5"
    & skf18("1","3","6","3","1","4","1") = "5"
    & skf18("1","3","6","3","1","5","1") = "5"
    & skf18("1","3","6","3","1","6","1") = "5"
    & skf18("1","3","6","3","1","7","1") = "6"
    & skf18("1","3","6","3","1","8","1") = "7"
    & skf18("1","3","6","3","1","9","1") = "8"
    & skf18("1","3","6","3","1","10","1") = "9"
    & skf18("1","3","6","3","2","1","1") = "5"
    & skf18("1","3","6","3","2","2","1") = "5"
    & skf18("1","3","6","3","2","3","1") = "5"
    & skf18("1","3","6","3","2","4","1") = "5"
    & skf18("1","3","6","3","2","5","1") = "5"
    & skf18("1","3","6","3","2","6","1") = "5"
    & skf18("1","3","6","3","2","7","1") = "6"
    & skf18("1","3","6","3","2","8","1") = "7"
    & skf18("1","3","6","3","2","9","1") = "8"
    & skf18("1","3","6","3","2","10","1") = "9"
    & skf18("1","3","6","3","3","1","1") = "5"
    & skf18("1","3","6","3","3","2","1") = "5"
    & skf18("1","3","6","3","3","3","1") = "5"
    & skf18("1","3","6","3","3","4","1") = "5"
    & skf18("1","3","6","3","3","5","1") = "5"
    & skf18("1","3","6","3","3","6","1") = "5"
    & skf18("1","3","6","3","3","7","1") = "6"
    & skf18("1","3","6","3","3","8","1") = "7"
    & skf18("1","3","6","3","3","9","1") = "8"
    & skf18("1","3","6","3","3","10","1") = "9"
    & skf18("1","3","6","3","4","1","1") = "5"
    & skf18("1","3","6","3","4","2","1") = "5"
    & skf18("1","3","6","3","4","3","1") = "5"
    & skf18("1","3","6","3","4","4","1") = "5"
    & skf18("1","3","6","3","4","5","1") = "5"
    & skf18("1","3","6","3","4","6","1") = "5"
    & skf18("1","3","6","3","4","7","1") = "6"
    & skf18("1","3","6","3","4","8","1") = "7"
    & skf18("1","3","6","3","4","9","1") = "8"
    & skf18("1","3","6","3","4","10","1") = "9"
    & skf18("1","3","6","3","5","1","1") = "5"
    & skf18("1","3","6","3","5","2","1") = "5"
    & skf18("1","3","6","3","5","3","1") = "5"
    & skf18("1","3","6","3","5","4","1") = "5"
    & skf18("1","3","6","3","5","5","1") = "5"
    & skf18("1","3","6","3","5","6","1") = "5"
    & skf18("1","3","6","3","5","7","1") = "6"
    & skf18("1","3","6","3","5","8","1") = "7"
    & skf18("1","3","6","3","5","9","1") = "8"
    & skf18("1","3","6","3","5","10","1") = "9"
    & skf18("1","3","6","3","6","1","1") = "5"
    & skf18("1","3","6","3","6","2","1") = "5"
    & skf18("1","3","6","3","6","3","1") = "5"
    & skf18("1","3","6","3","6","4","1") = "5"
    & skf18("1","3","6","3","6","5","1") = "5"
    & skf18("1","3","6","3","6","6","1") = "5"
    & skf18("1","3","6","3","6","7","1") = "6"
    & skf18("1","3","6","3","6","8","1") = "7"
    & skf18("1","3","6","3","6","9","1") = "8"
    & skf18("1","3","6","3","6","10","1") = "9"
    & skf18("1","3","6","3","7","1","1") = "6"
    & skf18("1","3","6","3","7","2","1") = "6"
    & skf18("1","3","6","3","7","3","1") = "6"
    & skf18("1","3","6","3","7","4","1") = "6"
    & skf18("1","3","6","3","7","5","1") = "6"
    & skf18("1","3","6","3","7","6","1") = "6"
    & skf18("1","3","6","3","7","7","1") = "6"
    & skf18("1","3","6","3","7","8","1") = "7"
    & skf18("1","3","6","3","7","9","1") = "8"
    & skf18("1","3","6","3","7","10","1") = "9"
    & skf18("1","3","6","3","8","1","1") = "7"
    & skf18("1","3","6","3","8","2","1") = "7"
    & skf18("1","3","6","3","8","3","1") = "7"
    & skf18("1","3","6","3","8","4","1") = "7"
    & skf18("1","3","6","3","8","5","1") = "7"
    & skf18("1","3","6","3","8","6","1") = "7"
    & skf18("1","3","6","3","8","7","1") = "7"
    & skf18("1","3","6","3","8","8","1") = "7"
    & skf18("1","3","6","3","8","9","1") = "8"
    & skf18("1","3","6","3","8","10","1") = "9"
    & skf18("1","3","6","3","9","1","1") = "8"
    & skf18("1","3","6","3","9","2","1") = "8"
    & skf18("1","3","6","3","9","3","1") = "8"
    & skf18("1","3","6","3","9","4","1") = "8"
    & skf18("1","3","6","3","9","5","1") = "8"
    & skf18("1","3","6","3","9","6","1") = "8"
    & skf18("1","3","6","3","9","7","1") = "8"
    & skf18("1","3","6","3","9","8","1") = "8"
    & skf18("1","3","6","3","9","9","1") = "8"
    & skf18("1","3","6","3","9","10","1") = "9"
    & skf18("1","3","6","3","10","1","1") = "9"
    & skf18("1","3","6","3","10","2","1") = "9"
    & skf18("1","3","6","3","10","3","1") = "9"
    & skf18("1","3","6","3","10","4","1") = "9"
    & skf18("1","3","6","3","10","5","1") = "9"
    & skf18("1","3","6","3","10","6","1") = "9"
    & skf18("1","3","6","3","10","7","1") = "9"
    & skf18("1","3","6","3","10","8","1") = "9"
    & skf18("1","3","6","3","10","9","1") = "9"
    & skf18("1","3","6","3","10","10","1") = "9"
    & skf18("1","3","6","4","1","1","1") = "5"
    & skf18("1","3","6","4","1","2","1") = "5"
    & skf18("1","3","6","4","1","3","1") = "5"
    & skf18("1","3","6","4","1","4","1") = "5"
    & skf18("1","3","6","4","1","5","1") = "5"
    & skf18("1","3","6","4","1","6","1") = "5"
    & skf18("1","3","6","4","1","7","1") = "6"
    & skf18("1","3","6","4","1","8","1") = "7"
    & skf18("1","3","6","4","1","9","1") = "8"
    & skf18("1","3","6","4","1","10","1") = "9"
    & skf18("1","3","6","4","2","1","1") = "5"
    & skf18("1","3","6","4","2","2","1") = "5"
    & skf18("1","3","6","4","2","3","1") = "5"
    & skf18("1","3","6","4","2","4","1") = "5"
    & skf18("1","3","6","4","2","5","1") = "5"
    & skf18("1","3","6","4","2","6","1") = "5"
    & skf18("1","3","6","4","2","7","1") = "6"
    & skf18("1","3","6","4","2","8","1") = "7"
    & skf18("1","3","6","4","2","9","1") = "8"
    & skf18("1","3","6","4","2","10","1") = "9"
    & skf18("1","3","6","4","3","1","1") = "5"
    & skf18("1","3","6","4","3","2","1") = "5"
    & skf18("1","3","6","4","3","3","1") = "5"
    & skf18("1","3","6","4","3","4","1") = "5"
    & skf18("1","3","6","4","3","5","1") = "5"
    & skf18("1","3","6","4","3","6","1") = "5"
    & skf18("1","3","6","4","3","7","1") = "6"
    & skf18("1","3","6","4","3","8","1") = "7"
    & skf18("1","3","6","4","3","9","1") = "8"
    & skf18("1","3","6","4","3","10","1") = "9"
    & skf18("1","3","6","4","4","1","1") = "5"
    & skf18("1","3","6","4","4","2","1") = "5"
    & skf18("1","3","6","4","4","3","1") = "5"
    & skf18("1","3","6","4","4","4","1") = "5"
    & skf18("1","3","6","4","4","5","1") = "5"
    & skf18("1","3","6","4","4","6","1") = "5"
    & skf18("1","3","6","4","4","7","1") = "6"
    & skf18("1","3","6","4","4","8","1") = "7"
    & skf18("1","3","6","4","4","9","1") = "8"
    & skf18("1","3","6","4","4","10","1") = "9"
    & skf18("1","3","6","4","5","1","1") = "5"
    & skf18("1","3","6","4","5","2","1") = "5"
    & skf18("1","3","6","4","5","3","1") = "5"
    & skf18("1","3","6","4","5","4","1") = "5"
    & skf18("1","3","6","4","5","5","1") = "5"
    & skf18("1","3","6","4","5","6","1") = "5"
    & skf18("1","3","6","4","5","7","1") = "6"
    & skf18("1","3","6","4","5","8","1") = "7"
    & skf18("1","3","6","4","5","9","1") = "8"
    & skf18("1","3","6","4","5","10","1") = "9"
    & skf18("1","3","6","4","6","1","1") = "5"
    & skf18("1","3","6","4","6","2","1") = "5"
    & skf18("1","3","6","4","6","3","1") = "5"
    & skf18("1","3","6","4","6","4","1") = "5"
    & skf18("1","3","6","4","6","5","1") = "5"
    & skf18("1","3","6","4","6","6","1") = "5"
    & skf18("1","3","6","4","6","7","1") = "6"
    & skf18("1","3","6","4","6","8","1") = "7"
    & skf18("1","3","6","4","6","9","1") = "8"
    & skf18("1","3","6","4","6","10","1") = "9"
    & skf18("1","3","6","4","7","1","1") = "6"
    & skf18("1","3","6","4","7","2","1") = "6"
    & skf18("1","3","6","4","7","3","1") = "6"
    & skf18("1","3","6","4","7","4","1") = "6"
    & skf18("1","3","6","4","7","5","1") = "6"
    & skf18("1","3","6","4","7","6","1") = "6"
    & skf18("1","3","6","4","7","7","1") = "6"
    & skf18("1","3","6","4","7","8","1") = "7"
    & skf18("1","3","6","4","7","9","1") = "8"
    & skf18("1","3","6","4","7","10","1") = "9"
    & skf18("1","3","6","4","8","1","1") = "7"
    & skf18("1","3","6","4","8","2","1") = "7"
    & skf18("1","3","6","4","8","3","1") = "7"
    & skf18("1","3","6","4","8","4","1") = "7"
    & skf18("1","3","6","4","8","5","1") = "7"
    & skf18("1","3","6","4","8","6","1") = "7"
    & skf18("1","3","6","4","8","7","1") = "7"
    & skf18("1","3","6","4","8","8","1") = "7"
    & skf18("1","3","6","4","8","9","1") = "8"
    & skf18("1","3","6","4","8","10","1") = "9"
    & skf18("1","3","6","4","9","1","1") = "8"
    & skf18("1","3","6","4","9","2","1") = "8"
    & skf18("1","3","6","4","9","3","1") = "8"
    & skf18("1","3","6","4","9","4","1") = "8"
    & skf18("1","3","6","4","9","5","1") = "8"
    & skf18("1","3","6","4","9","6","1") = "8"
    & skf18("1","3","6","4","9","7","1") = "8"
    & skf18("1","3","6","4","9","8","1") = "8"
    & skf18("1","3","6","4","9","9","1") = "8"
    & skf18("1","3","6","4","9","10","1") = "9"
    & skf18("1","3","6","4","10","1","1") = "9"
    & skf18("1","3","6","4","10","2","1") = "9"
    & skf18("1","3","6","4","10","3","1") = "9"
    & skf18("1","3","6","4","10","4","1") = "9"
    & skf18("1","3","6","4","10","5","1") = "9"
    & skf18("1","3","6","4","10","6","1") = "9"
    & skf18("1","3","6","4","10","7","1") = "9"
    & skf18("1","3","6","4","10","8","1") = "9"
    & skf18("1","3","6","4","10","9","1") = "9"
    & skf18("1","3","6","4","10","10","1") = "9"
    & skf18("1","3","6","5","1","1","1") = "5"
    & skf18("1","3","6","5","1","2","1") = "5"
    & skf18("1","3","6","5","1","3","1") = "5"
    & skf18("1","3","6","5","1","4","1") = "5"
    & skf18("1","3","6","5","1","5","1") = "5"
    & skf18("1","3","6","5","1","6","1") = "5"
    & skf18("1","3","6","5","1","7","1") = "6"
    & skf18("1","3","6","5","1","8","1") = "7"
    & skf18("1","3","6","5","1","9","1") = "8"
    & skf18("1","3","6","5","1","10","1") = "9"
    & skf18("1","3","6","5","2","1","1") = "5"
    & skf18("1","3","6","5","2","2","1") = "5"
    & skf18("1","3","6","5","2","3","1") = "5"
    & skf18("1","3","6","5","2","4","1") = "5"
    & skf18("1","3","6","5","2","5","1") = "5"
    & skf18("1","3","6","5","2","6","1") = "5"
    & skf18("1","3","6","5","2","7","1") = "6"
    & skf18("1","3","6","5","2","8","1") = "7"
    & skf18("1","3","6","5","2","9","1") = "8"
    & skf18("1","3","6","5","2","10","1") = "9"
    & skf18("1","3","6","5","3","1","1") = "5"
    & skf18("1","3","6","5","3","2","1") = "5"
    & skf18("1","3","6","5","3","3","1") = "5"
    & skf18("1","3","6","5","3","4","1") = "5"
    & skf18("1","3","6","5","3","5","1") = "5"
    & skf18("1","3","6","5","3","6","1") = "5"
    & skf18("1","3","6","5","3","7","1") = "6"
    & skf18("1","3","6","5","3","8","1") = "7"
    & skf18("1","3","6","5","3","9","1") = "8"
    & skf18("1","3","6","5","3","10","1") = "9"
    & skf18("1","3","6","5","4","1","1") = "5"
    & skf18("1","3","6","5","4","2","1") = "5"
    & skf18("1","3","6","5","4","3","1") = "5"
    & skf18("1","3","6","5","4","4","1") = "5"
    & skf18("1","3","6","5","4","5","1") = "5"
    & skf18("1","3","6","5","4","6","1") = "5"
    & skf18("1","3","6","5","4","7","1") = "6"
    & skf18("1","3","6","5","4","8","1") = "7"
    & skf18("1","3","6","5","4","9","1") = "8"
    & skf18("1","3","6","5","4","10","1") = "9"
    & skf18("1","3","6","5","5","1","1") = "5"
    & skf18("1","3","6","5","5","2","1") = "5"
    & skf18("1","3","6","5","5","3","1") = "5"
    & skf18("1","3","6","5","5","4","1") = "5"
    & skf18("1","3","6","5","5","5","1") = "5"
    & skf18("1","3","6","5","5","6","1") = "5"
    & skf18("1","3","6","5","5","7","1") = "6"
    & skf18("1","3","6","5","5","8","1") = "7"
    & skf18("1","3","6","5","5","9","1") = "8"
    & skf18("1","3","6","5","5","10","1") = "9"
    & skf18("1","3","6","5","6","1","1") = "5"
    & skf18("1","3","6","5","6","2","1") = "5"
    & skf18("1","3","6","5","6","3","1") = "5"
    & skf18("1","3","6","5","6","4","1") = "5"
    & skf18("1","3","6","5","6","5","1") = "5"
    & skf18("1","3","6","5","6","6","1") = "5"
    & skf18("1","3","6","5","6","7","1") = "6"
    & skf18("1","3","6","5","6","8","1") = "7"
    & skf18("1","3","6","5","6","9","1") = "8"
    & skf18("1","3","6","5","6","10","1") = "9"
    & skf18("1","3","6","5","7","1","1") = "6"
    & skf18("1","3","6","5","7","2","1") = "6"
    & skf18("1","3","6","5","7","3","1") = "6"
    & skf18("1","3","6","5","7","4","1") = "6"
    & skf18("1","3","6","5","7","5","1") = "6"
    & skf18("1","3","6","5","7","6","1") = "6"
    & skf18("1","3","6","5","7","7","1") = "6"
    & skf18("1","3","6","5","7","8","1") = "7"
    & skf18("1","3","6","5","7","9","1") = "8"
    & skf18("1","3","6","5","7","10","1") = "9"
    & skf18("1","3","6","5","8","1","1") = "7"
    & skf18("1","3","6","5","8","2","1") = "7"
    & skf18("1","3","6","5","8","3","1") = "7"
    & skf18("1","3","6","5","8","4","1") = "7"
    & skf18("1","3","6","5","8","5","1") = "7"
    & skf18("1","3","6","5","8","6","1") = "7"
    & skf18("1","3","6","5","8","7","1") = "7"
    & skf18("1","3","6","5","8","8","1") = "7"
    & skf18("1","3","6","5","8","9","1") = "8"
    & skf18("1","3","6","5","8","10","1") = "9"
    & skf18("1","3","6","5","9","1","1") = "8"
    & skf18("1","3","6","5","9","2","1") = "8"
    & skf18("1","3","6","5","9","3","1") = "8"
    & skf18("1","3","6","5","9","4","1") = "8"
    & skf18("1","3","6","5","9","5","1") = "8"
    & skf18("1","3","6","5","9","6","1") = "8"
    & skf18("1","3","6","5","9","7","1") = "8"
    & skf18("1","3","6","5","9","8","1") = "8"
    & skf18("1","3","6","5","9","9","1") = "8"
    & skf18("1","3","6","5","9","10","1") = "9"
    & skf18("1","3","6","5","10","1","1") = "9"
    & skf18("1","3","6","5","10","2","1") = "9"
    & skf18("1","3","6","5","10","3","1") = "9"
    & skf18("1","3","6","5","10","4","1") = "9"
    & skf18("1","3","6","5","10","5","1") = "9"
    & skf18("1","3","6","5","10","6","1") = "9"
    & skf18("1","3","6","5","10","7","1") = "9"
    & skf18("1","3","6","5","10","8","1") = "9"
    & skf18("1","3","6","5","10","9","1") = "9"
    & skf18("1","3","6","5","10","10","1") = "9"
    & skf18("1","3","6","6","1","1","1") = "5"
    & skf18("1","3","6","6","1","2","1") = "5"
    & skf18("1","3","6","6","1","3","1") = "5"
    & skf18("1","3","6","6","1","4","1") = "5"
    & skf18("1","3","6","6","1","5","1") = "5"
    & skf18("1","3","6","6","1","6","1") = "5"
    & skf18("1","3","6","6","1","7","1") = "6"
    & skf18("1","3","6","6","1","8","1") = "7"
    & skf18("1","3","6","6","1","9","1") = "8"
    & skf18("1","3","6","6","1","10","1") = "9"
    & skf18("1","3","6","6","2","1","1") = "5"
    & skf18("1","3","6","6","2","2","1") = "5"
    & skf18("1","3","6","6","2","3","1") = "5"
    & skf18("1","3","6","6","2","4","1") = "5"
    & skf18("1","3","6","6","2","5","1") = "5"
    & skf18("1","3","6","6","2","6","1") = "5"
    & skf18("1","3","6","6","2","7","1") = "6"
    & skf18("1","3","6","6","2","8","1") = "7"
    & skf18("1","3","6","6","2","9","1") = "8"
    & skf18("1","3","6","6","2","10","1") = "9"
    & skf18("1","3","6","6","3","1","1") = "5"
    & skf18("1","3","6","6","3","2","1") = "5"
    & skf18("1","3","6","6","3","3","1") = "5"
    & skf18("1","3","6","6","3","4","1") = "5"
    & skf18("1","3","6","6","3","5","1") = "5"
    & skf18("1","3","6","6","3","6","1") = "5"
    & skf18("1","3","6","6","3","7","1") = "6"
    & skf18("1","3","6","6","3","8","1") = "7"
    & skf18("1","3","6","6","3","9","1") = "8"
    & skf18("1","3","6","6","3","10","1") = "9"
    & skf18("1","3","6","6","4","1","1") = "5"
    & skf18("1","3","6","6","4","2","1") = "5"
    & skf18("1","3","6","6","4","3","1") = "5"
    & skf18("1","3","6","6","4","4","1") = "5"
    & skf18("1","3","6","6","4","5","1") = "5"
    & skf18("1","3","6","6","4","6","1") = "5"
    & skf18("1","3","6","6","4","7","1") = "6"
    & skf18("1","3","6","6","4","8","1") = "7"
    & skf18("1","3","6","6","4","9","1") = "8"
    & skf18("1","3","6","6","4","10","1") = "9"
    & skf18("1","3","6","6","5","1","1") = "5"
    & skf18("1","3","6","6","5","2","1") = "5"
    & skf18("1","3","6","6","5","3","1") = "5"
    & skf18("1","3","6","6","5","4","1") = "5"
    & skf18("1","3","6","6","5","5","1") = "5"
    & skf18("1","3","6","6","5","6","1") = "5"
    & skf18("1","3","6","6","5","7","1") = "6"
    & skf18("1","3","6","6","5","8","1") = "7"
    & skf18("1","3","6","6","5","9","1") = "8"
    & skf18("1","3","6","6","5","10","1") = "9"
    & skf18("1","3","6","6","6","1","1") = "5"
    & skf18("1","3","6","6","6","2","1") = "5"
    & skf18("1","3","6","6","6","3","1") = "5"
    & skf18("1","3","6","6","6","4","1") = "5"
    & skf18("1","3","6","6","6","5","1") = "5"
    & skf18("1","3","6","6","6","6","1") = "5"
    & skf18("1","3","6","6","6","7","1") = "6"
    & skf18("1","3","6","6","6","8","1") = "7"
    & skf18("1","3","6","6","6","9","1") = "8"
    & skf18("1","3","6","6","6","10","1") = "9"
    & skf18("1","3","6","6","7","1","1") = "6"
    & skf18("1","3","6","6","7","2","1") = "6"
    & skf18("1","3","6","6","7","3","1") = "6"
    & skf18("1","3","6","6","7","4","1") = "6"
    & skf18("1","3","6","6","7","5","1") = "6"
    & skf18("1","3","6","6","7","6","1") = "6"
    & skf18("1","3","6","6","7","7","1") = "6"
    & skf18("1","3","6","6","7","8","1") = "7"
    & skf18("1","3","6","6","7","9","1") = "8"
    & skf18("1","3","6","6","7","10","1") = "9"
    & skf18("1","3","6","6","8","1","1") = "7"
    & skf18("1","3","6","6","8","2","1") = "7"
    & skf18("1","3","6","6","8","3","1") = "7"
    & skf18("1","3","6","6","8","4","1") = "7"
    & skf18("1","3","6","6","8","5","1") = "7"
    & skf18("1","3","6","6","8","6","1") = "7"
    & skf18("1","3","6","6","8","7","1") = "7"
    & skf18("1","3","6","6","8","8","1") = "7"
    & skf18("1","3","6","6","8","9","1") = "8"
    & skf18("1","3","6","6","8","10","1") = "9"
    & skf18("1","3","6","6","9","1","1") = "8"
    & skf18("1","3","6","6","9","2","1") = "8"
    & skf18("1","3","6","6","9","3","1") = "8"
    & skf18("1","3","6","6","9","4","1") = "8"
    & skf18("1","3","6","6","9","5","1") = "8"
    & skf18("1","3","6","6","9","6","1") = "8"
    & skf18("1","3","6","6","9","7","1") = "8"
    & skf18("1","3","6","6","9","8","1") = "8"
    & skf18("1","3","6","6","9","9","1") = "8"
    & skf18("1","3","6","6","9","10","1") = "9"
    & skf18("1","3","6","6","10","1","1") = "9"
    & skf18("1","3","6","6","10","2","1") = "9"
    & skf18("1","3","6","6","10","3","1") = "9"
    & skf18("1","3","6","6","10","4","1") = "9"
    & skf18("1","3","6","6","10","5","1") = "9"
    & skf18("1","3","6","6","10","6","1") = "9"
    & skf18("1","3","6","6","10","7","1") = "9"
    & skf18("1","3","6","6","10","8","1") = "9"
    & skf18("1","3","6","6","10","9","1") = "9"
    & skf18("1","3","6","6","10","10","1") = "9"
    & skf18("1","3","6","7","1","1","1") = "6"
    & skf18("1","3","6","7","1","2","1") = "6"
    & skf18("1","3","6","7","1","3","1") = "6"
    & skf18("1","3","6","7","1","4","1") = "6"
    & skf18("1","3","6","7","1","5","1") = "6"
    & skf18("1","3","6","7","1","6","1") = "6"
    & skf18("1","3","6","7","1","7","1") = "6"
    & skf18("1","3","6","7","1","8","1") = "7"
    & skf18("1","3","6","7","1","9","1") = "8"
    & skf18("1","3","6","7","1","10","1") = "9"
    & skf18("1","3","6","7","2","1","1") = "6"
    & skf18("1","3","6","7","2","2","1") = "6"
    & skf18("1","3","6","7","2","3","1") = "6"
    & skf18("1","3","6","7","2","4","1") = "6"
    & skf18("1","3","6","7","2","5","1") = "6"
    & skf18("1","3","6","7","2","6","1") = "6"
    & skf18("1","3","6","7","2","7","1") = "6"
    & skf18("1","3","6","7","2","8","1") = "7"
    & skf18("1","3","6","7","2","9","1") = "8"
    & skf18("1","3","6","7","2","10","1") = "9"
    & skf18("1","3","6","7","3","1","1") = "6"
    & skf18("1","3","6","7","3","2","1") = "6"
    & skf18("1","3","6","7","3","3","1") = "6"
    & skf18("1","3","6","7","3","4","1") = "6"
    & skf18("1","3","6","7","3","5","1") = "6"
    & skf18("1","3","6","7","3","6","1") = "6"
    & skf18("1","3","6","7","3","7","1") = "6"
    & skf18("1","3","6","7","3","8","1") = "7"
    & skf18("1","3","6","7","3","9","1") = "8"
    & skf18("1","3","6","7","3","10","1") = "9"
    & skf18("1","3","6","7","4","1","1") = "6"
    & skf18("1","3","6","7","4","2","1") = "6"
    & skf18("1","3","6","7","4","3","1") = "6"
    & skf18("1","3","6","7","4","4","1") = "6"
    & skf18("1","3","6","7","4","5","1") = "6"
    & skf18("1","3","6","7","4","6","1") = "6"
    & skf18("1","3","6","7","4","7","1") = "6"
    & skf18("1","3","6","7","4","8","1") = "7"
    & skf18("1","3","6","7","4","9","1") = "8"
    & skf18("1","3","6","7","4","10","1") = "9"
    & skf18("1","3","6","7","5","1","1") = "6"
    & skf18("1","3","6","7","5","2","1") = "6"
    & skf18("1","3","6","7","5","3","1") = "6"
    & skf18("1","3","6","7","5","4","1") = "6"
    & skf18("1","3","6","7","5","5","1") = "6"
    & skf18("1","3","6","7","5","6","1") = "6"
    & skf18("1","3","6","7","5","7","1") = "6"
    & skf18("1","3","6","7","5","8","1") = "7"
    & skf18("1","3","6","7","5","9","1") = "8"
    & skf18("1","3","6","7","5","10","1") = "9"
    & skf18("1","3","6","7","6","1","1") = "6"
    & skf18("1","3","6","7","6","2","1") = "6"
    & skf18("1","3","6","7","6","3","1") = "6"
    & skf18("1","3","6","7","6","4","1") = "6"
    & skf18("1","3","6","7","6","5","1") = "6"
    & skf18("1","3","6","7","6","6","1") = "6"
    & skf18("1","3","6","7","6","7","1") = "6"
    & skf18("1","3","6","7","6","8","1") = "7"
    & skf18("1","3","6","7","6","9","1") = "8"
    & skf18("1","3","6","7","6","10","1") = "9"
    & skf18("1","3","6","7","7","1","1") = "6"
    & skf18("1","3","6","7","7","2","1") = "6"
    & skf18("1","3","6","7","7","3","1") = "6"
    & skf18("1","3","6","7","7","4","1") = "6"
    & skf18("1","3","6","7","7","5","1") = "6"
    & skf18("1","3","6","7","7","6","1") = "6"
    & skf18("1","3","6","7","7","7","1") = "6"
    & skf18("1","3","6","7","7","8","1") = "7"
    & skf18("1","3","6","7","7","9","1") = "8"
    & skf18("1","3","6","7","7","10","1") = "9"
    & skf18("1","3","6","7","8","1","1") = "7"
    & skf18("1","3","6","7","8","2","1") = "7"
    & skf18("1","3","6","7","8","3","1") = "7"
    & skf18("1","3","6","7","8","4","1") = "7"
    & skf18("1","3","6","7","8","5","1") = "7"
    & skf18("1","3","6","7","8","6","1") = "7"
    & skf18("1","3","6","7","8","7","1") = "7"
    & skf18("1","3","6","7","8","8","1") = "7"
    & skf18("1","3","6","7","8","9","1") = "8"
    & skf18("1","3","6","7","8","10","1") = "9"
    & skf18("1","3","6","7","9","1","1") = "8"
    & skf18("1","3","6","7","9","2","1") = "8"
    & skf18("1","3","6","7","9","3","1") = "8"
    & skf18("1","3","6","7","9","4","1") = "8"
    & skf18("1","3","6","7","9","5","1") = "8"
    & skf18("1","3","6","7","9","6","1") = "8"
    & skf18("1","3","6","7","9","7","1") = "8"
    & skf18("1","3","6","7","9","8","1") = "8"
    & skf18("1","3","6","7","9","9","1") = "8"
    & skf18("1","3","6","7","9","10","1") = "9"
    & skf18("1","3","6","7","10","1","1") = "9"
    & skf18("1","3","6","7","10","2","1") = "9"
    & skf18("1","3","6","7","10","3","1") = "9"
    & skf18("1","3","6","7","10","4","1") = "9"
    & skf18("1","3","6","7","10","5","1") = "9"
    & skf18("1","3","6","7","10","6","1") = "9"
    & skf18("1","3","6","7","10","7","1") = "9"
    & skf18("1","3","6","7","10","8","1") = "9"
    & skf18("1","3","6","7","10","9","1") = "9"
    & skf18("1","3","6","7","10","10","1") = "9"
    & skf18("1","3","6","8","1","1","1") = "7"
    & skf18("1","3","6","8","1","2","1") = "7"
    & skf18("1","3","6","8","1","3","1") = "7"
    & skf18("1","3","6","8","1","4","1") = "7"
    & skf18("1","3","6","8","1","5","1") = "7"
    & skf18("1","3","6","8","1","6","1") = "7"
    & skf18("1","3","6","8","1","7","1") = "7"
    & skf18("1","3","6","8","1","8","1") = "7"
    & skf18("1","3","6","8","1","9","1") = "8"
    & skf18("1","3","6","8","1","10","1") = "9"
    & skf18("1","3","6","8","2","1","1") = "7"
    & skf18("1","3","6","8","2","2","1") = "7"
    & skf18("1","3","6","8","2","3","1") = "7"
    & skf18("1","3","6","8","2","4","1") = "7"
    & skf18("1","3","6","8","2","5","1") = "7"
    & skf18("1","3","6","8","2","6","1") = "7"
    & skf18("1","3","6","8","2","7","1") = "7"
    & skf18("1","3","6","8","2","8","1") = "7"
    & skf18("1","3","6","8","2","9","1") = "8"
    & skf18("1","3","6","8","2","10","1") = "9"
    & skf18("1","3","6","8","3","1","1") = "7"
    & skf18("1","3","6","8","3","2","1") = "7"
    & skf18("1","3","6","8","3","3","1") = "7"
    & skf18("1","3","6","8","3","4","1") = "7"
    & skf18("1","3","6","8","3","5","1") = "7"
    & skf18("1","3","6","8","3","6","1") = "7"
    & skf18("1","3","6","8","3","7","1") = "7"
    & skf18("1","3","6","8","3","8","1") = "7"
    & skf18("1","3","6","8","3","9","1") = "8"
    & skf18("1","3","6","8","3","10","1") = "9"
    & skf18("1","3","6","8","4","1","1") = "7"
    & skf18("1","3","6","8","4","2","1") = "7"
    & skf18("1","3","6","8","4","3","1") = "7"
    & skf18("1","3","6","8","4","4","1") = "7"
    & skf18("1","3","6","8","4","5","1") = "7"
    & skf18("1","3","6","8","4","6","1") = "7"
    & skf18("1","3","6","8","4","7","1") = "7"
    & skf18("1","3","6","8","4","8","1") = "7"
    & skf18("1","3","6","8","4","9","1") = "8"
    & skf18("1","3","6","8","4","10","1") = "9"
    & skf18("1","3","6","8","5","1","1") = "7"
    & skf18("1","3","6","8","5","2","1") = "7"
    & skf18("1","3","6","8","5","3","1") = "7"
    & skf18("1","3","6","8","5","4","1") = "7"
    & skf18("1","3","6","8","5","5","1") = "7"
    & skf18("1","3","6","8","5","6","1") = "7"
    & skf18("1","3","6","8","5","7","1") = "7"
    & skf18("1","3","6","8","5","8","1") = "7"
    & skf18("1","3","6","8","5","9","1") = "8"
    & skf18("1","3","6","8","5","10","1") = "9"
    & skf18("1","3","6","8","6","1","1") = "7"
    & skf18("1","3","6","8","6","2","1") = "7"
    & skf18("1","3","6","8","6","3","1") = "7"
    & skf18("1","3","6","8","6","4","1") = "7"
    & skf18("1","3","6","8","6","5","1") = "7"
    & skf18("1","3","6","8","6","6","1") = "7"
    & skf18("1","3","6","8","6","7","1") = "7"
    & skf18("1","3","6","8","6","8","1") = "7"
    & skf18("1","3","6","8","6","9","1") = "8"
    & skf18("1","3","6","8","6","10","1") = "9"
    & skf18("1","3","6","8","7","1","1") = "7"
    & skf18("1","3","6","8","7","2","1") = "7"
    & skf18("1","3","6","8","7","3","1") = "7"
    & skf18("1","3","6","8","7","4","1") = "7"
    & skf18("1","3","6","8","7","5","1") = "7"
    & skf18("1","3","6","8","7","6","1") = "7"
    & skf18("1","3","6","8","7","7","1") = "7"
    & skf18("1","3","6","8","7","8","1") = "7"
    & skf18("1","3","6","8","7","9","1") = "8"
    & skf18("1","3","6","8","7","10","1") = "9"
    & skf18("1","3","6","8","8","1","1") = "7"
    & skf18("1","3","6","8","8","2","1") = "7"
    & skf18("1","3","6","8","8","3","1") = "7"
    & skf18("1","3","6","8","8","4","1") = "7"
    & skf18("1","3","6","8","8","5","1") = "7"
    & skf18("1","3","6","8","8","6","1") = "7"
    & skf18("1","3","6","8","8","7","1") = "7"
    & skf18("1","3","6","8","8","8","1") = "7"
    & skf18("1","3","6","8","8","9","1") = "8"
    & skf18("1","3","6","8","8","10","1") = "9"
    & skf18("1","3","6","8","9","1","1") = "8"
    & skf18("1","3","6","8","9","2","1") = "8"
    & skf18("1","3","6","8","9","3","1") = "8"
    & skf18("1","3","6","8","9","4","1") = "8"
    & skf18("1","3","6","8","9","5","1") = "8"
    & skf18("1","3","6","8","9","6","1") = "8"
    & skf18("1","3","6","8","9","7","1") = "8"
    & skf18("1","3","6","8","9","8","1") = "8"
    & skf18("1","3","6","8","9","9","1") = "8"
    & skf18("1","3","6","8","9","10","1") = "9"
    & skf18("1","3","6","8","10","1","1") = "9"
    & skf18("1","3","6","8","10","2","1") = "9"
    & skf18("1","3","6","8","10","3","1") = "9"
    & skf18("1","3","6","8","10","4","1") = "9"
    & skf18("1","3","6","8","10","5","1") = "9"
    & skf18("1","3","6","8","10","6","1") = "9"
    & skf18("1","3","6","8","10","7","1") = "9"
    & skf18("1","3","6","8","10","8","1") = "9"
    & skf18("1","3","6","8","10","9","1") = "9"
    & skf18("1","3","6","8","10","10","1") = "9"
    & skf18("1","3","6","9","1","1","1") = "8"
    & skf18("1","3","6","9","1","2","1") = "8"
    & skf18("1","3","6","9","1","3","1") = "8"
    & skf18("1","3","6","9","1","4","1") = "8"
    & skf18("1","3","6","9","1","5","1") = "8"
    & skf18("1","3","6","9","1","6","1") = "8"
    & skf18("1","3","6","9","1","7","1") = "8"
    & skf18("1","3","6","9","1","8","1") = "8"
    & skf18("1","3","6","9","1","9","1") = "8"
    & skf18("1","3","6","9","1","10","1") = "9"
    & skf18("1","3","6","9","2","1","1") = "8"
    & skf18("1","3","6","9","2","2","1") = "8"
    & skf18("1","3","6","9","2","3","1") = "8"
    & skf18("1","3","6","9","2","4","1") = "8"
    & skf18("1","3","6","9","2","5","1") = "8"
    & skf18("1","3","6","9","2","6","1") = "8"
    & skf18("1","3","6","9","2","7","1") = "8"
    & skf18("1","3","6","9","2","8","1") = "8"
    & skf18("1","3","6","9","2","9","1") = "8"
    & skf18("1","3","6","9","2","10","1") = "9"
    & skf18("1","3","6","9","3","1","1") = "8"
    & skf18("1","3","6","9","3","2","1") = "8"
    & skf18("1","3","6","9","3","3","1") = "8"
    & skf18("1","3","6","9","3","4","1") = "8"
    & skf18("1","3","6","9","3","5","1") = "8"
    & skf18("1","3","6","9","3","6","1") = "8"
    & skf18("1","3","6","9","3","7","1") = "8"
    & skf18("1","3","6","9","3","8","1") = "8"
    & skf18("1","3","6","9","3","9","1") = "8"
    & skf18("1","3","6","9","3","10","1") = "9"
    & skf18("1","3","6","9","4","1","1") = "8"
    & skf18("1","3","6","9","4","2","1") = "8"
    & skf18("1","3","6","9","4","3","1") = "8"
    & skf18("1","3","6","9","4","4","1") = "8"
    & skf18("1","3","6","9","4","5","1") = "8"
    & skf18("1","3","6","9","4","6","1") = "8"
    & skf18("1","3","6","9","4","7","1") = "8"
    & skf18("1","3","6","9","4","8","1") = "8"
    & skf18("1","3","6","9","4","9","1") = "8"
    & skf18("1","3","6","9","4","10","1") = "9"
    & skf18("1","3","6","9","5","1","1") = "8"
    & skf18("1","3","6","9","5","2","1") = "8"
    & skf18("1","3","6","9","5","3","1") = "8"
    & skf18("1","3","6","9","5","4","1") = "8"
    & skf18("1","3","6","9","5","5","1") = "8"
    & skf18("1","3","6","9","5","6","1") = "8"
    & skf18("1","3","6","9","5","7","1") = "8"
    & skf18("1","3","6","9","5","8","1") = "8"
    & skf18("1","3","6","9","5","9","1") = "8"
    & skf18("1","3","6","9","5","10","1") = "9"
    & skf18("1","3","6","9","6","1","1") = "8"
    & skf18("1","3","6","9","6","2","1") = "8"
    & skf18("1","3","6","9","6","3","1") = "8"
    & skf18("1","3","6","9","6","4","1") = "8"
    & skf18("1","3","6","9","6","5","1") = "8"
    & skf18("1","3","6","9","6","6","1") = "8"
    & skf18("1","3","6","9","6","7","1") = "8"
    & skf18("1","3","6","9","6","8","1") = "8"
    & skf18("1","3","6","9","6","9","1") = "8"
    & skf18("1","3","6","9","6","10","1") = "9"
    & skf18("1","3","6","9","7","1","1") = "8"
    & skf18("1","3","6","9","7","2","1") = "8"
    & skf18("1","3","6","9","7","3","1") = "8"
    & skf18("1","3","6","9","7","4","1") = "8"
    & skf18("1","3","6","9","7","5","1") = "8"
    & skf18("1","3","6","9","7","6","1") = "8"
    & skf18("1","3","6","9","7","7","1") = "8"
    & skf18("1","3","6","9","7","8","1") = "8"
    & skf18("1","3","6","9","7","9","1") = "8"
    & skf18("1","3","6","9","7","10","1") = "9"
    & skf18("1","3","6","9","8","1","1") = "8"
    & skf18("1","3","6","9","8","2","1") = "8"
    & skf18("1","3","6","9","8","3","1") = "8"
    & skf18("1","3","6","9","8","4","1") = "8"
    & skf18("1","3","6","9","8","5","1") = "8"
    & skf18("1","3","6","9","8","6","1") = "8"
    & skf18("1","3","6","9","8","7","1") = "8"
    & skf18("1","3","6","9","8","8","1") = "8"
    & skf18("1","3","6","9","8","9","1") = "8"
    & skf18("1","3","6","9","8","10","1") = "9"
    & skf18("1","3","6","9","9","1","1") = "8"
    & skf18("1","3","6","9","9","2","1") = "8"
    & skf18("1","3","6","9","9","3","1") = "8"
    & skf18("1","3","6","9","9","4","1") = "8"
    & skf18("1","3","6","9","9","5","1") = "8"
    & skf18("1","3","6","9","9","6","1") = "8"
    & skf18("1","3","6","9","9","7","1") = "8"
    & skf18("1","3","6","9","9","8","1") = "8"
    & skf18("1","3","6","9","9","9","1") = "8"
    & skf18("1","3","6","9","9","10","1") = "9"
    & skf18("1","3","6","9","10","1","1") = "9"
    & skf18("1","3","6","9","10","2","1") = "9"
    & skf18("1","3","6","9","10","3","1") = "9"
    & skf18("1","3","6","9","10","4","1") = "9"
    & skf18("1","3","6","9","10","5","1") = "9"
    & skf18("1","3","6","9","10","6","1") = "9"
    & skf18("1","3","6","9","10","7","1") = "9"
    & skf18("1","3","6","9","10","8","1") = "9"
    & skf18("1","3","6","9","10","9","1") = "9"
    & skf18("1","3","6","9","10","10","1") = "9"
    & skf18("1","3","6","10","1","1","1") = "9"
    & skf18("1","3","6","10","1","2","1") = "9"
    & skf18("1","3","6","10","1","3","1") = "9"
    & skf18("1","3","6","10","1","4","1") = "9"
    & skf18("1","3","6","10","1","5","1") = "9"
    & skf18("1","3","6","10","1","6","1") = "9"
    & skf18("1","3","6","10","1","7","1") = "9"
    & skf18("1","3","6","10","1","8","1") = "9"
    & skf18("1","3","6","10","1","9","1") = "9"
    & skf18("1","3","6","10","1","10","1") = "9"
    & skf18("1","3","6","10","2","1","1") = "9"
    & skf18("1","3","6","10","2","2","1") = "9"
    & skf18("1","3","6","10","2","3","1") = "9"
    & skf18("1","3","6","10","2","4","1") = "9"
    & skf18("1","3","6","10","2","5","1") = "9"
    & skf18("1","3","6","10","2","6","1") = "9"
    & skf18("1","3","6","10","2","7","1") = "9"
    & skf18("1","3","6","10","2","8","1") = "9"
    & skf18("1","3","6","10","2","9","1") = "9"
    & skf18("1","3","6","10","2","10","1") = "9"
    & skf18("1","3","6","10","3","1","1") = "9"
    & skf18("1","3","6","10","3","2","1") = "9"
    & skf18("1","3","6","10","3","3","1") = "9"
    & skf18("1","3","6","10","3","4","1") = "9"
    & skf18("1","3","6","10","3","5","1") = "9"
    & skf18("1","3","6","10","3","6","1") = "9"
    & skf18("1","3","6","10","3","7","1") = "9"
    & skf18("1","3","6","10","3","8","1") = "9"
    & skf18("1","3","6","10","3","9","1") = "9"
    & skf18("1","3","6","10","3","10","1") = "9"
    & skf18("1","3","6","10","4","1","1") = "9"
    & skf18("1","3","6","10","4","2","1") = "9"
    & skf18("1","3","6","10","4","3","1") = "9"
    & skf18("1","3","6","10","4","4","1") = "9"
    & skf18("1","3","6","10","4","5","1") = "9"
    & skf18("1","3","6","10","4","6","1") = "9"
    & skf18("1","3","6","10","4","7","1") = "9"
    & skf18("1","3","6","10","4","8","1") = "9"
    & skf18("1","3","6","10","4","9","1") = "9"
    & skf18("1","3","6","10","4","10","1") = "9"
    & skf18("1","3","6","10","5","1","1") = "9"
    & skf18("1","3","6","10","5","2","1") = "9"
    & skf18("1","3","6","10","5","3","1") = "9"
    & skf18("1","3","6","10","5","4","1") = "9"
    & skf18("1","3","6","10","5","5","1") = "9"
    & skf18("1","3","6","10","5","6","1") = "9"
    & skf18("1","3","6","10","5","7","1") = "9"
    & skf18("1","3","6","10","5","8","1") = "9"
    & skf18("1","3","6","10","5","9","1") = "9"
    & skf18("1","3","6","10","5","10","1") = "9"
    & skf18("1","3","6","10","6","1","1") = "9"
    & skf18("1","3","6","10","6","2","1") = "9"
    & skf18("1","3","6","10","6","3","1") = "9"
    & skf18("1","3","6","10","6","4","1") = "9"
    & skf18("1","3","6","10","6","5","1") = "9"
    & skf18("1","3","6","10","6","6","1") = "9"
    & skf18("1","3","6","10","6","7","1") = "9"
    & skf18("1","3","6","10","6","8","1") = "9"
    & skf18("1","3","6","10","6","9","1") = "9"
    & skf18("1","3","6","10","6","10","1") = "9"
    & skf18("1","3","6","10","7","1","1") = "9"
    & skf18("1","3","6","10","7","2","1") = "9"
    & skf18("1","3","6","10","7","3","1") = "9"
    & skf18("1","3","6","10","7","4","1") = "9"
    & skf18("1","3","6","10","7","5","1") = "9"
    & skf18("1","3","6","10","7","6","1") = "9"
    & skf18("1","3","6","10","7","7","1") = "9"
    & skf18("1","3","6","10","7","8","1") = "9"
    & skf18("1","3","6","10","7","9","1") = "9"
    & skf18("1","3","6","10","7","10","1") = "9"
    & skf18("1","3","6","10","8","1","1") = "9"
    & skf18("1","3","6","10","8","2","1") = "9"
    & skf18("1","3","6","10","8","3","1") = "9"
    & skf18("1","3","6","10","8","4","1") = "9"
    & skf18("1","3","6","10","8","5","1") = "9"
    & skf18("1","3","6","10","8","6","1") = "9"
    & skf18("1","3","6","10","8","7","1") = "9"
    & skf18("1","3","6","10","8","8","1") = "9"
    & skf18("1","3","6","10","8","9","1") = "9"
    & skf18("1","3","6","10","8","10","1") = "9"
    & skf18("1","3","6","10","9","1","1") = "9"
    & skf18("1","3","6","10","9","2","1") = "9"
    & skf18("1","3","6","10","9","3","1") = "9"
    & skf18("1","3","6","10","9","4","1") = "9"
    & skf18("1","3","6","10","9","5","1") = "9"
    & skf18("1","3","6","10","9","6","1") = "9"
    & skf18("1","3","6","10","9","7","1") = "9"
    & skf18("1","3","6","10","9","8","1") = "9"
    & skf18("1","3","6","10","9","9","1") = "9"
    & skf18("1","3","6","10","9","10","1") = "9"
    & skf18("1","3","6","10","10","1","1") = "9"
    & skf18("1","3","6","10","10","2","1") = "9"
    & skf18("1","3","6","10","10","3","1") = "9"
    & skf18("1","3","6","10","10","4","1") = "9"
    & skf18("1","3","6","10","10","5","1") = "9"
    & skf18("1","3","6","10","10","6","1") = "9"
    & skf18("1","3","6","10","10","7","1") = "9"
    & skf18("1","3","6","10","10","8","1") = "9"
    & skf18("1","3","6","10","10","9","1") = "9"
    & skf18("1","3","6","10","10","10","1") = "9"
    & skf18("1","3","7","1","1","1","1") = "6"
    & skf18("1","3","7","1","1","2","1") = "6"
    & skf18("1","3","7","1","1","3","1") = "6"
    & skf18("1","3","7","1","1","4","1") = "6"
    & skf18("1","3","7","1","1","5","1") = "6"
    & skf18("1","3","7","1","1","6","1") = "6"
    & skf18("1","3","7","1","1","7","1") = "6"
    & skf18("1","3","7","1","1","8","1") = "7"
    & skf18("1","3","7","1","1","9","1") = "8"
    & skf18("1","3","7","1","1","10","1") = "9"
    & skf18("1","3","7","1","2","1","1") = "6"
    & skf18("1","3","7","1","2","2","1") = "6"
    & skf18("1","3","7","1","2","3","1") = "6"
    & skf18("1","3","7","1","2","4","1") = "6"
    & skf18("1","3","7","1","2","5","1") = "6"
    & skf18("1","3","7","1","2","6","1") = "6"
    & skf18("1","3","7","1","2","7","1") = "6"
    & skf18("1","3","7","1","2","8","1") = "7"
    & skf18("1","3","7","1","2","9","1") = "8"
    & skf18("1","3","7","1","2","10","1") = "9"
    & skf18("1","3","7","1","3","1","1") = "6"
    & skf18("1","3","7","1","3","2","1") = "6"
    & skf18("1","3","7","1","3","3","1") = "6"
    & skf18("1","3","7","1","3","4","1") = "6"
    & skf18("1","3","7","1","3","5","1") = "6"
    & skf18("1","3","7","1","3","6","1") = "6"
    & skf18("1","3","7","1","3","7","1") = "6"
    & skf18("1","3","7","1","3","8","1") = "7"
    & skf18("1","3","7","1","3","9","1") = "8"
    & skf18("1","3","7","1","3","10","1") = "9"
    & skf18("1","3","7","1","4","1","1") = "6"
    & skf18("1","3","7","1","4","2","1") = "6"
    & skf18("1","3","7","1","4","3","1") = "6"
    & skf18("1","3","7","1","4","4","1") = "6"
    & skf18("1","3","7","1","4","5","1") = "6"
    & skf18("1","3","7","1","4","6","1") = "6"
    & skf18("1","3","7","1","4","7","1") = "6"
    & skf18("1","3","7","1","4","8","1") = "7"
    & skf18("1","3","7","1","4","9","1") = "8"
    & skf18("1","3","7","1","4","10","1") = "9"
    & skf18("1","3","7","1","5","1","1") = "6"
    & skf18("1","3","7","1","5","2","1") = "6"
    & skf18("1","3","7","1","5","3","1") = "6"
    & skf18("1","3","7","1","5","4","1") = "6"
    & skf18("1","3","7","1","5","5","1") = "6"
    & skf18("1","3","7","1","5","6","1") = "6"
    & skf18("1","3","7","1","5","7","1") = "6"
    & skf18("1","3","7","1","5","8","1") = "7"
    & skf18("1","3","7","1","5","9","1") = "8"
    & skf18("1","3","7","1","5","10","1") = "9"
    & skf18("1","3","7","1","6","1","1") = "6"
    & skf18("1","3","7","1","6","2","1") = "6"
    & skf18("1","3","7","1","6","3","1") = "6"
    & skf18("1","3","7","1","6","4","1") = "6"
    & skf18("1","3","7","1","6","5","1") = "6"
    & skf18("1","3","7","1","6","6","1") = "6"
    & skf18("1","3","7","1","6","7","1") = "6"
    & skf18("1","3","7","1","6","8","1") = "7"
    & skf18("1","3","7","1","6","9","1") = "8"
    & skf18("1","3","7","1","6","10","1") = "9"
    & skf18("1","3","7","1","7","1","1") = "6"
    & skf18("1","3","7","1","7","2","1") = "6"
    & skf18("1","3","7","1","7","3","1") = "6"
    & skf18("1","3","7","1","7","4","1") = "6"
    & skf18("1","3","7","1","7","5","1") = "6"
    & skf18("1","3","7","1","7","6","1") = "6"
    & skf18("1","3","7","1","7","7","1") = "6"
    & skf18("1","3","7","1","7","8","1") = "7"
    & skf18("1","3","7","1","7","9","1") = "8"
    & skf18("1","3","7","1","7","10","1") = "9"
    & skf18("1","3","7","1","8","1","1") = "7"
    & skf18("1","3","7","1","8","2","1") = "7"
    & skf18("1","3","7","1","8","3","1") = "7"
    & skf18("1","3","7","1","8","4","1") = "7"
    & skf18("1","3","7","1","8","5","1") = "7"
    & skf18("1","3","7","1","8","6","1") = "7"
    & skf18("1","3","7","1","8","7","1") = "7"
    & skf18("1","3","7","1","8","8","1") = "7"
    & skf18("1","3","7","1","8","9","1") = "8"
    & skf18("1","3","7","1","8","10","1") = "9"
    & skf18("1","3","7","1","9","1","1") = "8"
    & skf18("1","3","7","1","9","2","1") = "8"
    & skf18("1","3","7","1","9","3","1") = "8"
    & skf18("1","3","7","1","9","4","1") = "8"
    & skf18("1","3","7","1","9","5","1") = "8"
    & skf18("1","3","7","1","9","6","1") = "8"
    & skf18("1","3","7","1","9","7","1") = "8"
    & skf18("1","3","7","1","9","8","1") = "8"
    & skf18("1","3","7","1","9","9","1") = "8"
    & skf18("1","3","7","1","9","10","1") = "9"
    & skf18("1","3","7","1","10","1","1") = "9"
    & skf18("1","3","7","1","10","2","1") = "9"
    & skf18("1","3","7","1","10","3","1") = "9"
    & skf18("1","3","7","1","10","4","1") = "9"
    & skf18("1","3","7","1","10","5","1") = "9"
    & skf18("1","3","7","1","10","6","1") = "9"
    & skf18("1","3","7","1","10","7","1") = "9"
    & skf18("1","3","7","1","10","8","1") = "9"
    & skf18("1","3","7","1","10","9","1") = "9"
    & skf18("1","3","7","1","10","10","1") = "9"
    & skf18("1","3","7","2","1","1","1") = "6"
    & skf18("1","3","7","2","1","2","1") = "6"
    & skf18("1","3","7","2","1","3","1") = "6"
    & skf18("1","3","7","2","1","4","1") = "6"
    & skf18("1","3","7","2","1","5","1") = "6"
    & skf18("1","3","7","2","1","6","1") = "6"
    & skf18("1","3","7","2","1","7","1") = "6"
    & skf18("1","3","7","2","1","8","1") = "7"
    & skf18("1","3","7","2","1","9","1") = "8"
    & skf18("1","3","7","2","1","10","1") = "9"
    & skf18("1","3","7","2","2","1","1") = "6"
    & skf18("1","3","7","2","2","2","1") = "6"
    & skf18("1","3","7","2","2","3","1") = "6"
    & skf18("1","3","7","2","2","4","1") = "6"
    & skf18("1","3","7","2","2","5","1") = "6"
    & skf18("1","3","7","2","2","6","1") = "6"
    & skf18("1","3","7","2","2","7","1") = "6"
    & skf18("1","3","7","2","2","8","1") = "7"
    & skf18("1","3","7","2","2","9","1") = "8"
    & skf18("1","3","7","2","2","10","1") = "9"
    & skf18("1","3","7","2","3","1","1") = "6"
    & skf18("1","3","7","2","3","2","1") = "6"
    & skf18("1","3","7","2","3","3","1") = "6"
    & skf18("1","3","7","2","3","4","1") = "6"
    & skf18("1","3","7","2","3","5","1") = "6"
    & skf18("1","3","7","2","3","6","1") = "6"
    & skf18("1","3","7","2","3","7","1") = "6"
    & skf18("1","3","7","2","3","8","1") = "7"
    & skf18("1","3","7","2","3","9","1") = "8"
    & skf18("1","3","7","2","3","10","1") = "9"
    & skf18("1","3","7","2","4","1","1") = "6"
    & skf18("1","3","7","2","4","2","1") = "6"
    & skf18("1","3","7","2","4","3","1") = "6"
    & skf18("1","3","7","2","4","4","1") = "6"
    & skf18("1","3","7","2","4","5","1") = "6"
    & skf18("1","3","7","2","4","6","1") = "6"
    & skf18("1","3","7","2","4","7","1") = "6"
    & skf18("1","3","7","2","4","8","1") = "7"
    & skf18("1","3","7","2","4","9","1") = "8"
    & skf18("1","3","7","2","4","10","1") = "9"
    & skf18("1","3","7","2","5","1","1") = "6"
    & skf18("1","3","7","2","5","2","1") = "6"
    & skf18("1","3","7","2","5","3","1") = "6"
    & skf18("1","3","7","2","5","4","1") = "6"
    & skf18("1","3","7","2","5","5","1") = "6"
    & skf18("1","3","7","2","5","6","1") = "6"
    & skf18("1","3","7","2","5","7","1") = "6"
    & skf18("1","3","7","2","5","8","1") = "7"
    & skf18("1","3","7","2","5","9","1") = "8"
    & skf18("1","3","7","2","5","10","1") = "9"
    & skf18("1","3","7","2","6","1","1") = "6"
    & skf18("1","3","7","2","6","2","1") = "6"
    & skf18("1","3","7","2","6","3","1") = "6"
    & skf18("1","3","7","2","6","4","1") = "6"
    & skf18("1","3","7","2","6","5","1") = "6"
    & skf18("1","3","7","2","6","6","1") = "6"
    & skf18("1","3","7","2","6","7","1") = "6"
    & skf18("1","3","7","2","6","8","1") = "7"
    & skf18("1","3","7","2","6","9","1") = "8"
    & skf18("1","3","7","2","6","10","1") = "9"
    & skf18("1","3","7","2","7","1","1") = "6"
    & skf18("1","3","7","2","7","2","1") = "6"
    & skf18("1","3","7","2","7","3","1") = "6"
    & skf18("1","3","7","2","7","4","1") = "6"
    & skf18("1","3","7","2","7","5","1") = "6"
    & skf18("1","3","7","2","7","6","1") = "6"
    & skf18("1","3","7","2","7","7","1") = "6"
    & skf18("1","3","7","2","7","8","1") = "7"
    & skf18("1","3","7","2","7","9","1") = "8"
    & skf18("1","3","7","2","7","10","1") = "9"
    & skf18("1","3","7","2","8","1","1") = "7"
    & skf18("1","3","7","2","8","2","1") = "7"
    & skf18("1","3","7","2","8","3","1") = "7"
    & skf18("1","3","7","2","8","4","1") = "7"
    & skf18("1","3","7","2","8","5","1") = "7"
    & skf18("1","3","7","2","8","6","1") = "7"
    & skf18("1","3","7","2","8","7","1") = "7"
    & skf18("1","3","7","2","8","8","1") = "7"
    & skf18("1","3","7","2","8","9","1") = "8"
    & skf18("1","3","7","2","8","10","1") = "9"
    & skf18("1","3","7","2","9","1","1") = "8"
    & skf18("1","3","7","2","9","2","1") = "8"
    & skf18("1","3","7","2","9","3","1") = "8"
    & skf18("1","3","7","2","9","4","1") = "8"
    & skf18("1","3","7","2","9","5","1") = "8"
    & skf18("1","3","7","2","9","6","1") = "8"
    & skf18("1","3","7","2","9","7","1") = "8"
    & skf18("1","3","7","2","9","8","1") = "8"
    & skf18("1","3","7","2","9","9","1") = "8"
    & skf18("1","3","7","2","9","10","1") = "9"
    & skf18("1","3","7","2","10","1","1") = "9"
    & skf18("1","3","7","2","10","2","1") = "9"
    & skf18("1","3","7","2","10","3","1") = "9"
    & skf18("1","3","7","2","10","4","1") = "9"
    & skf18("1","3","7","2","10","5","1") = "9"
    & skf18("1","3","7","2","10","6","1") = "9"
    & skf18("1","3","7","2","10","7","1") = "9"
    & skf18("1","3","7","2","10","8","1") = "9"
    & skf18("1","3","7","2","10","9","1") = "9"
    & skf18("1","3","7","2","10","10","1") = "9"
    & skf18("1","3","7","3","1","1","1") = "6"
    & skf18("1","3","7","3","1","2","1") = "6"
    & skf18("1","3","7","3","1","3","1") = "6"
    & skf18("1","3","7","3","1","4","1") = "6"
    & skf18("1","3","7","3","1","5","1") = "6"
    & skf18("1","3","7","3","1","6","1") = "6"
    & skf18("1","3","7","3","1","7","1") = "6"
    & skf18("1","3","7","3","1","8","1") = "7"
    & skf18("1","3","7","3","1","9","1") = "8"
    & skf18("1","3","7","3","1","10","1") = "9"
    & skf18("1","3","7","3","2","1","1") = "6"
    & skf18("1","3","7","3","2","2","1") = "6"
    & skf18("1","3","7","3","2","3","1") = "6"
    & skf18("1","3","7","3","2","4","1") = "6"
    & skf18("1","3","7","3","2","5","1") = "6"
    & skf18("1","3","7","3","2","6","1") = "6"
    & skf18("1","3","7","3","2","7","1") = "6"
    & skf18("1","3","7","3","2","8","1") = "7"
    & skf18("1","3","7","3","2","9","1") = "8"
    & skf18("1","3","7","3","2","10","1") = "9"
    & skf18("1","3","7","3","3","1","1") = "6"
    & skf18("1","3","7","3","3","2","1") = "6"
    & skf18("1","3","7","3","3","3","1") = "6"
    & skf18("1","3","7","3","3","4","1") = "6"
    & skf18("1","3","7","3","3","5","1") = "6"
    & skf18("1","3","7","3","3","6","1") = "6"
    & skf18("1","3","7","3","3","7","1") = "6"
    & skf18("1","3","7","3","3","8","1") = "7"
    & skf18("1","3","7","3","3","9","1") = "8"
    & skf18("1","3","7","3","3","10","1") = "9"
    & skf18("1","3","7","3","4","1","1") = "6"
    & skf18("1","3","7","3","4","2","1") = "6"
    & skf18("1","3","7","3","4","3","1") = "6"
    & skf18("1","3","7","3","4","4","1") = "6"
    & skf18("1","3","7","3","4","5","1") = "6"
    & skf18("1","3","7","3","4","6","1") = "6"
    & skf18("1","3","7","3","4","7","1") = "6"
    & skf18("1","3","7","3","4","8","1") = "7"
    & skf18("1","3","7","3","4","9","1") = "8"
    & skf18("1","3","7","3","4","10","1") = "9"
    & skf18("1","3","7","3","5","1","1") = "6"
    & skf18("1","3","7","3","5","2","1") = "6"
    & skf18("1","3","7","3","5","3","1") = "6"
    & skf18("1","3","7","3","5","4","1") = "6"
    & skf18("1","3","7","3","5","5","1") = "6"
    & skf18("1","3","7","3","5","6","1") = "6"
    & skf18("1","3","7","3","5","7","1") = "6"
    & skf18("1","3","7","3","5","8","1") = "7"
    & skf18("1","3","7","3","5","9","1") = "8"
    & skf18("1","3","7","3","5","10","1") = "9"
    & skf18("1","3","7","3","6","1","1") = "6"
    & skf18("1","3","7","3","6","2","1") = "6"
    & skf18("1","3","7","3","6","3","1") = "6"
    & skf18("1","3","7","3","6","4","1") = "6"
    & skf18("1","3","7","3","6","5","1") = "6"
    & skf18("1","3","7","3","6","6","1") = "6"
    & skf18("1","3","7","3","6","7","1") = "6"
    & skf18("1","3","7","3","6","8","1") = "7"
    & skf18("1","3","7","3","6","9","1") = "8"
    & skf18("1","3","7","3","6","10","1") = "9"
    & skf18("1","3","7","3","7","1","1") = "6"
    & skf18("1","3","7","3","7","2","1") = "6"
    & skf18("1","3","7","3","7","3","1") = "6"
    & skf18("1","3","7","3","7","4","1") = "6"
    & skf18("1","3","7","3","7","5","1") = "6"
    & skf18("1","3","7","3","7","6","1") = "6"
    & skf18("1","3","7","3","7","7","1") = "6"
    & skf18("1","3","7","3","7","8","1") = "7"
    & skf18("1","3","7","3","7","9","1") = "8"
    & skf18("1","3","7","3","7","10","1") = "9"
    & skf18("1","3","7","3","8","1","1") = "7"
    & skf18("1","3","7","3","8","2","1") = "7"
    & skf18("1","3","7","3","8","3","1") = "7"
    & skf18("1","3","7","3","8","4","1") = "7"
    & skf18("1","3","7","3","8","5","1") = "7"
    & skf18("1","3","7","3","8","6","1") = "7"
    & skf18("1","3","7","3","8","7","1") = "7"
    & skf18("1","3","7","3","8","8","1") = "7"
    & skf18("1","3","7","3","8","9","1") = "8"
    & skf18("1","3","7","3","8","10","1") = "9"
    & skf18("1","3","7","3","9","1","1") = "8"
    & skf18("1","3","7","3","9","2","1") = "8"
    & skf18("1","3","7","3","9","3","1") = "8"
    & skf18("1","3","7","3","9","4","1") = "8"
    & skf18("1","3","7","3","9","5","1") = "8"
    & skf18("1","3","7","3","9","6","1") = "8"
    & skf18("1","3","7","3","9","7","1") = "8"
    & skf18("1","3","7","3","9","8","1") = "8"
    & skf18("1","3","7","3","9","9","1") = "8"
    & skf18("1","3","7","3","9","10","1") = "9"
    & skf18("1","3","7","3","10","1","1") = "9"
    & skf18("1","3","7","3","10","2","1") = "9"
    & skf18("1","3","7","3","10","3","1") = "9"
    & skf18("1","3","7","3","10","4","1") = "9"
    & skf18("1","3","7","3","10","5","1") = "9"
    & skf18("1","3","7","3","10","6","1") = "9"
    & skf18("1","3","7","3","10","7","1") = "9"
    & skf18("1","3","7","3","10","8","1") = "9"
    & skf18("1","3","7","3","10","9","1") = "9"
    & skf18("1","3","7","3","10","10","1") = "9"
    & skf18("1","3","7","4","1","1","1") = "6"
    & skf18("1","3","7","4","1","2","1") = "6"
    & skf18("1","3","7","4","1","3","1") = "6"
    & skf18("1","3","7","4","1","4","1") = "6"
    & skf18("1","3","7","4","1","5","1") = "6"
    & skf18("1","3","7","4","1","6","1") = "6"
    & skf18("1","3","7","4","1","7","1") = "6"
    & skf18("1","3","7","4","1","8","1") = "7"
    & skf18("1","3","7","4","1","9","1") = "8"
    & skf18("1","3","7","4","1","10","1") = "9"
    & skf18("1","3","7","4","2","1","1") = "6"
    & skf18("1","3","7","4","2","2","1") = "6"
    & skf18("1","3","7","4","2","3","1") = "6"
    & skf18("1","3","7","4","2","4","1") = "6"
    & skf18("1","3","7","4","2","5","1") = "6"
    & skf18("1","3","7","4","2","6","1") = "6"
    & skf18("1","3","7","4","2","7","1") = "6"
    & skf18("1","3","7","4","2","8","1") = "7"
    & skf18("1","3","7","4","2","9","1") = "8"
    & skf18("1","3","7","4","2","10","1") = "9"
    & skf18("1","3","7","4","3","1","1") = "6"
    & skf18("1","3","7","4","3","2","1") = "6"
    & skf18("1","3","7","4","3","3","1") = "6"
    & skf18("1","3","7","4","3","4","1") = "6"
    & skf18("1","3","7","4","3","5","1") = "6"
    & skf18("1","3","7","4","3","6","1") = "6"
    & skf18("1","3","7","4","3","7","1") = "6"
    & skf18("1","3","7","4","3","8","1") = "7"
    & skf18("1","3","7","4","3","9","1") = "8"
    & skf18("1","3","7","4","3","10","1") = "9"
    & skf18("1","3","7","4","4","1","1") = "6"
    & skf18("1","3","7","4","4","2","1") = "6"
    & skf18("1","3","7","4","4","3","1") = "6"
    & skf18("1","3","7","4","4","4","1") = "6"
    & skf18("1","3","7","4","4","5","1") = "6"
    & skf18("1","3","7","4","4","6","1") = "6"
    & skf18("1","3","7","4","4","7","1") = "6"
    & skf18("1","3","7","4","4","8","1") = "7"
    & skf18("1","3","7","4","4","9","1") = "8"
    & skf18("1","3","7","4","4","10","1") = "9"
    & skf18("1","3","7","4","5","1","1") = "6"
    & skf18("1","3","7","4","5","2","1") = "6"
    & skf18("1","3","7","4","5","3","1") = "6"
    & skf18("1","3","7","4","5","4","1") = "6"
    & skf18("1","3","7","4","5","5","1") = "6"
    & skf18("1","3","7","4","5","6","1") = "6"
    & skf18("1","3","7","4","5","7","1") = "6"
    & skf18("1","3","7","4","5","8","1") = "7"
    & skf18("1","3","7","4","5","9","1") = "8"
    & skf18("1","3","7","4","5","10","1") = "9"
    & skf18("1","3","7","4","6","1","1") = "6"
    & skf18("1","3","7","4","6","2","1") = "6"
    & skf18("1","3","7","4","6","3","1") = "6"
    & skf18("1","3","7","4","6","4","1") = "6"
    & skf18("1","3","7","4","6","5","1") = "6"
    & skf18("1","3","7","4","6","6","1") = "6"
    & skf18("1","3","7","4","6","7","1") = "6"
    & skf18("1","3","7","4","6","8","1") = "7"
    & skf18("1","3","7","4","6","9","1") = "8"
    & skf18("1","3","7","4","6","10","1") = "9"
    & skf18("1","3","7","4","7","1","1") = "6"
    & skf18("1","3","7","4","7","2","1") = "6"
    & skf18("1","3","7","4","7","3","1") = "6"
    & skf18("1","3","7","4","7","4","1") = "6"
    & skf18("1","3","7","4","7","5","1") = "6"
    & skf18("1","3","7","4","7","6","1") = "6"
    & skf18("1","3","7","4","7","7","1") = "6"
    & skf18("1","3","7","4","7","8","1") = "7"
    & skf18("1","3","7","4","7","9","1") = "8"
    & skf18("1","3","7","4","7","10","1") = "9"
    & skf18("1","3","7","4","8","1","1") = "7"
    & skf18("1","3","7","4","8","2","1") = "7"
    & skf18("1","3","7","4","8","3","1") = "7"
    & skf18("1","3","7","4","8","4","1") = "7"
    & skf18("1","3","7","4","8","5","1") = "7"
    & skf18("1","3","7","4","8","6","1") = "7"
    & skf18("1","3","7","4","8","7","1") = "7"
    & skf18("1","3","7","4","8","8","1") = "7"
    & skf18("1","3","7","4","8","9","1") = "8"
    & skf18("1","3","7","4","8","10","1") = "9"
    & skf18("1","3","7","4","9","1","1") = "8"
    & skf18("1","3","7","4","9","2","1") = "8"
    & skf18("1","3","7","4","9","3","1") = "8"
    & skf18("1","3","7","4","9","4","1") = "8"
    & skf18("1","3","7","4","9","5","1") = "8"
    & skf18("1","3","7","4","9","6","1") = "8"
    & skf18("1","3","7","4","9","7","1") = "8"
    & skf18("1","3","7","4","9","8","1") = "8"
    & skf18("1","3","7","4","9","9","1") = "8"
    & skf18("1","3","7","4","9","10","1") = "9"
    & skf18("1","3","7","4","10","1","1") = "9"
    & skf18("1","3","7","4","10","2","1") = "9"
    & skf18("1","3","7","4","10","3","1") = "9"
    & skf18("1","3","7","4","10","4","1") = "9"
    & skf18("1","3","7","4","10","5","1") = "9"
    & skf18("1","3","7","4","10","6","1") = "9"
    & skf18("1","3","7","4","10","7","1") = "9"
    & skf18("1","3","7","4","10","8","1") = "9"
    & skf18("1","3","7","4","10","9","1") = "9"
    & skf18("1","3","7","4","10","10","1") = "9"
    & skf18("1","3","7","5","1","1","1") = "6"
    & skf18("1","3","7","5","1","2","1") = "6"
    & skf18("1","3","7","5","1","3","1") = "6"
    & skf18("1","3","7","5","1","4","1") = "6"
    & skf18("1","3","7","5","1","5","1") = "6"
    & skf18("1","3","7","5","1","6","1") = "6"
    & skf18("1","3","7","5","1","7","1") = "6"
    & skf18("1","3","7","5","1","8","1") = "7"
    & skf18("1","3","7","5","1","9","1") = "8"
    & skf18("1","3","7","5","1","10","1") = "9"
    & skf18("1","3","7","5","2","1","1") = "6"
    & skf18("1","3","7","5","2","2","1") = "6"
    & skf18("1","3","7","5","2","3","1") = "6"
    & skf18("1","3","7","5","2","4","1") = "6"
    & skf18("1","3","7","5","2","5","1") = "6"
    & skf18("1","3","7","5","2","6","1") = "6"
    & skf18("1","3","7","5","2","7","1") = "6"
    & skf18("1","3","7","5","2","8","1") = "7"
    & skf18("1","3","7","5","2","9","1") = "8"
    & skf18("1","3","7","5","2","10","1") = "9"
    & skf18("1","3","7","5","3","1","1") = "6"
    & skf18("1","3","7","5","3","2","1") = "6"
    & skf18("1","3","7","5","3","3","1") = "6"
    & skf18("1","3","7","5","3","4","1") = "6"
    & skf18("1","3","7","5","3","5","1") = "6"
    & skf18("1","3","7","5","3","6","1") = "6"
    & skf18("1","3","7","5","3","7","1") = "6"
    & skf18("1","3","7","5","3","8","1") = "7"
    & skf18("1","3","7","5","3","9","1") = "8"
    & skf18("1","3","7","5","3","10","1") = "9"
    & skf18("1","3","7","5","4","1","1") = "6"
    & skf18("1","3","7","5","4","2","1") = "6"
    & skf18("1","3","7","5","4","3","1") = "6"
    & skf18("1","3","7","5","4","4","1") = "6"
    & skf18("1","3","7","5","4","5","1") = "6"
    & skf18("1","3","7","5","4","6","1") = "6"
    & skf18("1","3","7","5","4","7","1") = "6"
    & skf18("1","3","7","5","4","8","1") = "7"
    & skf18("1","3","7","5","4","9","1") = "8"
    & skf18("1","3","7","5","4","10","1") = "9"
    & skf18("1","3","7","5","5","1","1") = "6"
    & skf18("1","3","7","5","5","2","1") = "6"
    & skf18("1","3","7","5","5","3","1") = "6"
    & skf18("1","3","7","5","5","4","1") = "6"
    & skf18("1","3","7","5","5","5","1") = "6"
    & skf18("1","3","7","5","5","6","1") = "6"
    & skf18("1","3","7","5","5","7","1") = "6"
    & skf18("1","3","7","5","5","8","1") = "7"
    & skf18("1","3","7","5","5","9","1") = "8"
    & skf18("1","3","7","5","5","10","1") = "9"
    & skf18("1","3","7","5","6","1","1") = "6"
    & skf18("1","3","7","5","6","2","1") = "6"
    & skf18("1","3","7","5","6","3","1") = "6"
    & skf18("1","3","7","5","6","4","1") = "6"
    & skf18("1","3","7","5","6","5","1") = "6"
    & skf18("1","3","7","5","6","6","1") = "6"
    & skf18("1","3","7","5","6","7","1") = "6"
    & skf18("1","3","7","5","6","8","1") = "7"
    & skf18("1","3","7","5","6","9","1") = "8"
    & skf18("1","3","7","5","6","10","1") = "9"
    & skf18("1","3","7","5","7","1","1") = "6"
    & skf18("1","3","7","5","7","2","1") = "6"
    & skf18("1","3","7","5","7","3","1") = "6"
    & skf18("1","3","7","5","7","4","1") = "6"
    & skf18("1","3","7","5","7","5","1") = "6"
    & skf18("1","3","7","5","7","6","1") = "6"
    & skf18("1","3","7","5","7","7","1") = "6"
    & skf18("1","3","7","5","7","8","1") = "7"
    & skf18("1","3","7","5","7","9","1") = "8"
    & skf18("1","3","7","5","7","10","1") = "9"
    & skf18("1","3","7","5","8","1","1") = "7"
    & skf18("1","3","7","5","8","2","1") = "7"
    & skf18("1","3","7","5","8","3","1") = "7"
    & skf18("1","3","7","5","8","4","1") = "7"
    & skf18("1","3","7","5","8","5","1") = "7"
    & skf18("1","3","7","5","8","6","1") = "7"
    & skf18("1","3","7","5","8","7","1") = "7"
    & skf18("1","3","7","5","8","8","1") = "7"
    & skf18("1","3","7","5","8","9","1") = "8"
    & skf18("1","3","7","5","8","10","1") = "9"
    & skf18("1","3","7","5","9","1","1") = "8"
    & skf18("1","3","7","5","9","2","1") = "8"
    & skf18("1","3","7","5","9","3","1") = "8"
    & skf18("1","3","7","5","9","4","1") = "8"
    & skf18("1","3","7","5","9","5","1") = "8"
    & skf18("1","3","7","5","9","6","1") = "8"
    & skf18("1","3","7","5","9","7","1") = "8"
    & skf18("1","3","7","5","9","8","1") = "8"
    & skf18("1","3","7","5","9","9","1") = "8"
    & skf18("1","3","7","5","9","10","1") = "9"
    & skf18("1","3","7","5","10","1","1") = "9"
    & skf18("1","3","7","5","10","2","1") = "9"
    & skf18("1","3","7","5","10","3","1") = "9"
    & skf18("1","3","7","5","10","4","1") = "9"
    & skf18("1","3","7","5","10","5","1") = "9"
    & skf18("1","3","7","5","10","6","1") = "9"
    & skf18("1","3","7","5","10","7","1") = "9"
    & skf18("1","3","7","5","10","8","1") = "9"
    & skf18("1","3","7","5","10","9","1") = "9"
    & skf18("1","3","7","5","10","10","1") = "9"
    & skf18("1","3","7","6","1","1","1") = "6"
    & skf18("1","3","7","6","1","2","1") = "6"
    & skf18("1","3","7","6","1","3","1") = "6"
    & skf18("1","3","7","6","1","4","1") = "6"
    & skf18("1","3","7","6","1","5","1") = "6"
    & skf18("1","3","7","6","1","6","1") = "6"
    & skf18("1","3","7","6","1","7","1") = "6"
    & skf18("1","3","7","6","1","8","1") = "7"
    & skf18("1","3","7","6","1","9","1") = "8"
    & skf18("1","3","7","6","1","10","1") = "9"
    & skf18("1","3","7","6","2","1","1") = "6"
    & skf18("1","3","7","6","2","2","1") = "6"
    & skf18("1","3","7","6","2","3","1") = "6"
    & skf18("1","3","7","6","2","4","1") = "6"
    & skf18("1","3","7","6","2","5","1") = "6"
    & skf18("1","3","7","6","2","6","1") = "6"
    & skf18("1","3","7","6","2","7","1") = "6"
    & skf18("1","3","7","6","2","8","1") = "7"
    & skf18("1","3","7","6","2","9","1") = "8"
    & skf18("1","3","7","6","2","10","1") = "9"
    & skf18("1","3","7","6","3","1","1") = "6"
    & skf18("1","3","7","6","3","2","1") = "6"
    & skf18("1","3","7","6","3","3","1") = "6"
    & skf18("1","3","7","6","3","4","1") = "6"
    & skf18("1","3","7","6","3","5","1") = "6"
    & skf18("1","3","7","6","3","6","1") = "6"
    & skf18("1","3","7","6","3","7","1") = "6"
    & skf18("1","3","7","6","3","8","1") = "7"
    & skf18("1","3","7","6","3","9","1") = "8"
    & skf18("1","3","7","6","3","10","1") = "9"
    & skf18("1","3","7","6","4","1","1") = "6"
    & skf18("1","3","7","6","4","2","1") = "6"
    & skf18("1","3","7","6","4","3","1") = "6"
    & skf18("1","3","7","6","4","4","1") = "6"
    & skf18("1","3","7","6","4","5","1") = "6"
    & skf18("1","3","7","6","4","6","1") = "6"
    & skf18("1","3","7","6","4","7","1") = "6"
    & skf18("1","3","7","6","4","8","1") = "7"
    & skf18("1","3","7","6","4","9","1") = "8"
    & skf18("1","3","7","6","4","10","1") = "9"
    & skf18("1","3","7","6","5","1","1") = "6"
    & skf18("1","3","7","6","5","2","1") = "6"
    & skf18("1","3","7","6","5","3","1") = "6"
    & skf18("1","3","7","6","5","4","1") = "6"
    & skf18("1","3","7","6","5","5","1") = "6"
    & skf18("1","3","7","6","5","6","1") = "6"
    & skf18("1","3","7","6","5","7","1") = "6"
    & skf18("1","3","7","6","5","8","1") = "7"
    & skf18("1","3","7","6","5","9","1") = "8"
    & skf18("1","3","7","6","5","10","1") = "9"
    & skf18("1","3","7","6","6","1","1") = "6"
    & skf18("1","3","7","6","6","2","1") = "6"
    & skf18("1","3","7","6","6","3","1") = "6"
    & skf18("1","3","7","6","6","4","1") = "6"
    & skf18("1","3","7","6","6","5","1") = "6"
    & skf18("1","3","7","6","6","6","1") = "6"
    & skf18("1","3","7","6","6","7","1") = "6"
    & skf18("1","3","7","6","6","8","1") = "7"
    & skf18("1","3","7","6","6","9","1") = "8"
    & skf18("1","3","7","6","6","10","1") = "9"
    & skf18("1","3","7","6","7","1","1") = "6"
    & skf18("1","3","7","6","7","2","1") = "6"
    & skf18("1","3","7","6","7","3","1") = "6"
    & skf18("1","3","7","6","7","4","1") = "6"
    & skf18("1","3","7","6","7","5","1") = "6"
    & skf18("1","3","7","6","7","6","1") = "6"
    & skf18("1","3","7","6","7","7","1") = "6"
    & skf18("1","3","7","6","7","8","1") = "7"
    & skf18("1","3","7","6","7","9","1") = "8"
    & skf18("1","3","7","6","7","10","1") = "9"
    & skf18("1","3","7","6","8","1","1") = "7"
    & skf18("1","3","7","6","8","2","1") = "7"
    & skf18("1","3","7","6","8","3","1") = "7"
    & skf18("1","3","7","6","8","4","1") = "7"
    & skf18("1","3","7","6","8","5","1") = "7"
    & skf18("1","3","7","6","8","6","1") = "7"
    & skf18("1","3","7","6","8","7","1") = "7"
    & skf18("1","3","7","6","8","8","1") = "7"
    & skf18("1","3","7","6","8","9","1") = "8"
    & skf18("1","3","7","6","8","10","1") = "9"
    & skf18("1","3","7","6","9","1","1") = "8"
    & skf18("1","3","7","6","9","2","1") = "8"
    & skf18("1","3","7","6","9","3","1") = "8"
    & skf18("1","3","7","6","9","4","1") = "8"
    & skf18("1","3","7","6","9","5","1") = "8"
    & skf18("1","3","7","6","9","6","1") = "8"
    & skf18("1","3","7","6","9","7","1") = "8"
    & skf18("1","3","7","6","9","8","1") = "8"
    & skf18("1","3","7","6","9","9","1") = "8"
    & skf18("1","3","7","6","9","10","1") = "9"
    & skf18("1","3","7","6","10","1","1") = "9"
    & skf18("1","3","7","6","10","2","1") = "9"
    & skf18("1","3","7","6","10","3","1") = "9"
    & skf18("1","3","7","6","10","4","1") = "9"
    & skf18("1","3","7","6","10","5","1") = "9"
    & skf18("1","3","7","6","10","6","1") = "9"
    & skf18("1","3","7","6","10","7","1") = "9"
    & skf18("1","3","7","6","10","8","1") = "9"
    & skf18("1","3","7","6","10","9","1") = "9"
    & skf18("1","3","7","6","10","10","1") = "9"
    & skf18("1","3","7","7","1","1","1") = "6"
    & skf18("1","3","7","7","1","2","1") = "6"
    & skf18("1","3","7","7","1","3","1") = "6"
    & skf18("1","3","7","7","1","4","1") = "6"
    & skf18("1","3","7","7","1","5","1") = "6"
    & skf18("1","3","7","7","1","6","1") = "6"
    & skf18("1","3","7","7","1","7","1") = "6"
    & skf18("1","3","7","7","1","8","1") = "7"
    & skf18("1","3","7","7","1","9","1") = "8"
    & skf18("1","3","7","7","1","10","1") = "9"
    & skf18("1","3","7","7","2","1","1") = "6"
    & skf18("1","3","7","7","2","2","1") = "6"
    & skf18("1","3","7","7","2","3","1") = "6"
    & skf18("1","3","7","7","2","4","1") = "6"
    & skf18("1","3","7","7","2","5","1") = "6"
    & skf18("1","3","7","7","2","6","1") = "6"
    & skf18("1","3","7","7","2","7","1") = "6"
    & skf18("1","3","7","7","2","8","1") = "7"
    & skf18("1","3","7","7","2","9","1") = "8"
    & skf18("1","3","7","7","2","10","1") = "9"
    & skf18("1","3","7","7","3","1","1") = "6"
    & skf18("1","3","7","7","3","2","1") = "6"
    & skf18("1","3","7","7","3","3","1") = "6"
    & skf18("1","3","7","7","3","4","1") = "6"
    & skf18("1","3","7","7","3","5","1") = "6"
    & skf18("1","3","7","7","3","6","1") = "6"
    & skf18("1","3","7","7","3","7","1") = "6"
    & skf18("1","3","7","7","3","8","1") = "7"
    & skf18("1","3","7","7","3","9","1") = "8"
    & skf18("1","3","7","7","3","10","1") = "9"
    & skf18("1","3","7","7","4","1","1") = "6"
    & skf18("1","3","7","7","4","2","1") = "6"
    & skf18("1","3","7","7","4","3","1") = "6"
    & skf18("1","3","7","7","4","4","1") = "6"
    & skf18("1","3","7","7","4","5","1") = "6"
    & skf18("1","3","7","7","4","6","1") = "6"
    & skf18("1","3","7","7","4","7","1") = "6"
    & skf18("1","3","7","7","4","8","1") = "7"
    & skf18("1","3","7","7","4","9","1") = "8"
    & skf18("1","3","7","7","4","10","1") = "9"
    & skf18("1","3","7","7","5","1","1") = "6"
    & skf18("1","3","7","7","5","2","1") = "6"
    & skf18("1","3","7","7","5","3","1") = "6"
    & skf18("1","3","7","7","5","4","1") = "6"
    & skf18("1","3","7","7","5","5","1") = "6"
    & skf18("1","3","7","7","5","6","1") = "6"
    & skf18("1","3","7","7","5","7","1") = "6"
    & skf18("1","3","7","7","5","8","1") = "7"
    & skf18("1","3","7","7","5","9","1") = "8"
    & skf18("1","3","7","7","5","10","1") = "9"
    & skf18("1","3","7","7","6","1","1") = "6"
    & skf18("1","3","7","7","6","2","1") = "6"
    & skf18("1","3","7","7","6","3","1") = "6"
    & skf18("1","3","7","7","6","4","1") = "6"
    & skf18("1","3","7","7","6","5","1") = "6"
    & skf18("1","3","7","7","6","6","1") = "6"
    & skf18("1","3","7","7","6","7","1") = "6"
    & skf18("1","3","7","7","6","8","1") = "7"
    & skf18("1","3","7","7","6","9","1") = "8"
    & skf18("1","3","7","7","6","10","1") = "9"
    & skf18("1","3","7","7","7","1","1") = "6"
    & skf18("1","3","7","7","7","2","1") = "6"
    & skf18("1","3","7","7","7","3","1") = "6"
    & skf18("1","3","7","7","7","4","1") = "6"
    & skf18("1","3","7","7","7","5","1") = "6"
    & skf18("1","3","7","7","7","6","1") = "6"
    & skf18("1","3","7","7","7","7","1") = "6"
    & skf18("1","3","7","7","7","8","1") = "7"
    & skf18("1","3","7","7","7","9","1") = "8"
    & skf18("1","3","7","7","7","10","1") = "9"
    & skf18("1","3","7","7","8","1","1") = "7"
    & skf18("1","3","7","7","8","2","1") = "7"
    & skf18("1","3","7","7","8","3","1") = "7"
    & skf18("1","3","7","7","8","4","1") = "7"
    & skf18("1","3","7","7","8","5","1") = "7"
    & skf18("1","3","7","7","8","6","1") = "7"
    & skf18("1","3","7","7","8","7","1") = "7"
    & skf18("1","3","7","7","8","8","1") = "7"
    & skf18("1","3","7","7","8","9","1") = "8"
    & skf18("1","3","7","7","8","10","1") = "9"
    & skf18("1","3","7","7","9","1","1") = "8"
    & skf18("1","3","7","7","9","2","1") = "8"
    & skf18("1","3","7","7","9","3","1") = "8"
    & skf18("1","3","7","7","9","4","1") = "8"
    & skf18("1","3","7","7","9","5","1") = "8"
    & skf18("1","3","7","7","9","6","1") = "8"
    & skf18("1","3","7","7","9","7","1") = "8"
    & skf18("1","3","7","7","9","8","1") = "8"
    & skf18("1","3","7","7","9","9","1") = "8"
    & skf18("1","3","7","7","9","10","1") = "9"
    & skf18("1","3","7","7","10","1","1") = "9"
    & skf18("1","3","7","7","10","2","1") = "9"
    & skf18("1","3","7","7","10","3","1") = "9"
    & skf18("1","3","7","7","10","4","1") = "9"
    & skf18("1","3","7","7","10","5","1") = "9"
    & skf18("1","3","7","7","10","6","1") = "9"
    & skf18("1","3","7","7","10","7","1") = "9"
    & skf18("1","3","7","7","10","8","1") = "9"
    & skf18("1","3","7","7","10","9","1") = "9"
    & skf18("1","3","7","7","10","10","1") = "9"
    & skf18("1","3","7","8","1","1","1") = "7"
    & skf18("1","3","7","8","1","2","1") = "7"
    & skf18("1","3","7","8","1","3","1") = "7"
    & skf18("1","3","7","8","1","4","1") = "7"
    & skf18("1","3","7","8","1","5","1") = "7"
    & skf18("1","3","7","8","1","6","1") = "7"
    & skf18("1","3","7","8","1","7","1") = "7"
    & skf18("1","3","7","8","1","8","1") = "7"
    & skf18("1","3","7","8","1","9","1") = "8"
    & skf18("1","3","7","8","1","10","1") = "9"
    & skf18("1","3","7","8","2","1","1") = "7"
    & skf18("1","3","7","8","2","2","1") = "7"
    & skf18("1","3","7","8","2","3","1") = "7"
    & skf18("1","3","7","8","2","4","1") = "7"
    & skf18("1","3","7","8","2","5","1") = "7"
    & skf18("1","3","7","8","2","6","1") = "7"
    & skf18("1","3","7","8","2","7","1") = "7"
    & skf18("1","3","7","8","2","8","1") = "7"
    & skf18("1","3","7","8","2","9","1") = "8"
    & skf18("1","3","7","8","2","10","1") = "9"
    & skf18("1","3","7","8","3","1","1") = "7"
    & skf18("1","3","7","8","3","2","1") = "7"
    & skf18("1","3","7","8","3","3","1") = "7"
    & skf18("1","3","7","8","3","4","1") = "7"
    & skf18("1","3","7","8","3","5","1") = "7"
    & skf18("1","3","7","8","3","6","1") = "7"
    & skf18("1","3","7","8","3","7","1") = "7"
    & skf18("1","3","7","8","3","8","1") = "7"
    & skf18("1","3","7","8","3","9","1") = "8"
    & skf18("1","3","7","8","3","10","1") = "9"
    & skf18("1","3","7","8","4","1","1") = "7"
    & skf18("1","3","7","8","4","2","1") = "7"
    & skf18("1","3","7","8","4","3","1") = "7"
    & skf18("1","3","7","8","4","4","1") = "7"
    & skf18("1","3","7","8","4","5","1") = "7"
    & skf18("1","3","7","8","4","6","1") = "7"
    & skf18("1","3","7","8","4","7","1") = "7"
    & skf18("1","3","7","8","4","8","1") = "7"
    & skf18("1","3","7","8","4","9","1") = "8"
    & skf18("1","3","7","8","4","10","1") = "9"
    & skf18("1","3","7","8","5","1","1") = "7"
    & skf18("1","3","7","8","5","2","1") = "7"
    & skf18("1","3","7","8","5","3","1") = "7"
    & skf18("1","3","7","8","5","4","1") = "7"
    & skf18("1","3","7","8","5","5","1") = "7"
    & skf18("1","3","7","8","5","6","1") = "7"
    & skf18("1","3","7","8","5","7","1") = "7"
    & skf18("1","3","7","8","5","8","1") = "7"
    & skf18("1","3","7","8","5","9","1") = "8"
    & skf18("1","3","7","8","5","10","1") = "9"
    & skf18("1","3","7","8","6","1","1") = "7"
    & skf18("1","3","7","8","6","2","1") = "7"
    & skf18("1","3","7","8","6","3","1") = "7"
    & skf18("1","3","7","8","6","4","1") = "7"
    & skf18("1","3","7","8","6","5","1") = "7"
    & skf18("1","3","7","8","6","6","1") = "7"
    & skf18("1","3","7","8","6","7","1") = "7"
    & skf18("1","3","7","8","6","8","1") = "7"
    & skf18("1","3","7","8","6","9","1") = "8"
    & skf18("1","3","7","8","6","10","1") = "9"
    & skf18("1","3","7","8","7","1","1") = "7"
    & skf18("1","3","7","8","7","2","1") = "7"
    & skf18("1","3","7","8","7","3","1") = "7"
    & skf18("1","3","7","8","7","4","1") = "7"
    & skf18("1","3","7","8","7","5","1") = "7"
    & skf18("1","3","7","8","7","6","1") = "7"
    & skf18("1","3","7","8","7","7","1") = "7"
    & skf18("1","3","7","8","7","8","1") = "7"
    & skf18("1","3","7","8","7","9","1") = "8"
    & skf18("1","3","7","8","7","10","1") = "9"
    & skf18("1","3","7","8","8","1","1") = "7"
    & skf18("1","3","7","8","8","2","1") = "7"
    & skf18("1","3","7","8","8","3","1") = "7"
    & skf18("1","3","7","8","8","4","1") = "7"
    & skf18("1","3","7","8","8","5","1") = "7"
    & skf18("1","3","7","8","8","6","1") = "7"
    & skf18("1","3","7","8","8","7","1") = "7"
    & skf18("1","3","7","8","8","8","1") = "7"
    & skf18("1","3","7","8","8","9","1") = "8"
    & skf18("1","3","7","8","8","10","1") = "9"
    & skf18("1","3","7","8","9","1","1") = "8"
    & skf18("1","3","7","8","9","2","1") = "8"
    & skf18("1","3","7","8","9","3","1") = "8"
    & skf18("1","3","7","8","9","4","1") = "8"
    & skf18("1","3","7","8","9","5","1") = "8"
    & skf18("1","3","7","8","9","6","1") = "8"
    & skf18("1","3","7","8","9","7","1") = "8"
    & skf18("1","3","7","8","9","8","1") = "8"
    & skf18("1","3","7","8","9","9","1") = "8"
    & skf18("1","3","7","8","9","10","1") = "9"
    & skf18("1","3","7","8","10","1","1") = "9"
    & skf18("1","3","7","8","10","2","1") = "9"
    & skf18("1","3","7","8","10","3","1") = "9"
    & skf18("1","3","7","8","10","4","1") = "9"
    & skf18("1","3","7","8","10","5","1") = "9"
    & skf18("1","3","7","8","10","6","1") = "9"
    & skf18("1","3","7","8","10","7","1") = "9"
    & skf18("1","3","7","8","10","8","1") = "9"
    & skf18("1","3","7","8","10","9","1") = "9"
    & skf18("1","3","7","8","10","10","1") = "9"
    & skf18("1","3","7","9","1","1","1") = "8"
    & skf18("1","3","7","9","1","2","1") = "8"
    & skf18("1","3","7","9","1","3","1") = "8"
    & skf18("1","3","7","9","1","4","1") = "8"
    & skf18("1","3","7","9","1","5","1") = "8"
    & skf18("1","3","7","9","1","6","1") = "8"
    & skf18("1","3","7","9","1","7","1") = "8"
    & skf18("1","3","7","9","1","8","1") = "8"
    & skf18("1","3","7","9","1","9","1") = "8"
    & skf18("1","3","7","9","1","10","1") = "9"
    & skf18("1","3","7","9","2","1","1") = "8"
    & skf18("1","3","7","9","2","2","1") = "8"
    & skf18("1","3","7","9","2","3","1") = "8"
    & skf18("1","3","7","9","2","4","1") = "8"
    & skf18("1","3","7","9","2","5","1") = "8"
    & skf18("1","3","7","9","2","6","1") = "8"
    & skf18("1","3","7","9","2","7","1") = "8"
    & skf18("1","3","7","9","2","8","1") = "8"
    & skf18("1","3","7","9","2","9","1") = "8"
    & skf18("1","3","7","9","2","10","1") = "9"
    & skf18("1","3","7","9","3","1","1") = "8"
    & skf18("1","3","7","9","3","2","1") = "8"
    & skf18("1","3","7","9","3","3","1") = "8"
    & skf18("1","3","7","9","3","4","1") = "8"
    & skf18("1","3","7","9","3","5","1") = "8"
    & skf18("1","3","7","9","3","6","1") = "8"
    & skf18("1","3","7","9","3","7","1") = "8"
    & skf18("1","3","7","9","3","8","1") = "8"
    & skf18("1","3","7","9","3","9","1") = "8"
    & skf18("1","3","7","9","3","10","1") = "9"
    & skf18("1","3","7","9","4","1","1") = "8"
    & skf18("1","3","7","9","4","2","1") = "8"
    & skf18("1","3","7","9","4","3","1") = "8"
    & skf18("1","3","7","9","4","4","1") = "8"
    & skf18("1","3","7","9","4","5","1") = "8"
    & skf18("1","3","7","9","4","6","1") = "8"
    & skf18("1","3","7","9","4","7","1") = "8"
    & skf18("1","3","7","9","4","8","1") = "8"
    & skf18("1","3","7","9","4","9","1") = "8"
    & skf18("1","3","7","9","4","10","1") = "9"
    & skf18("1","3","7","9","5","1","1") = "8"
    & skf18("1","3","7","9","5","2","1") = "8"
    & skf18("1","3","7","9","5","3","1") = "8"
    & skf18("1","3","7","9","5","4","1") = "8"
    & skf18("1","3","7","9","5","5","1") = "8"
    & skf18("1","3","7","9","5","6","1") = "8"
    & skf18("1","3","7","9","5","7","1") = "8"
    & skf18("1","3","7","9","5","8","1") = "8"
    & skf18("1","3","7","9","5","9","1") = "8"
    & skf18("1","3","7","9","5","10","1") = "9"
    & skf18("1","3","7","9","6","1","1") = "8"
    & skf18("1","3","7","9","6","2","1") = "8"
    & skf18("1","3","7","9","6","3","1") = "8"
    & skf18("1","3","7","9","6","4","1") = "8"
    & skf18("1","3","7","9","6","5","1") = "8"
    & skf18("1","3","7","9","6","6","1") = "8"
    & skf18("1","3","7","9","6","7","1") = "8"
    & skf18("1","3","7","9","6","8","1") = "8"
    & skf18("1","3","7","9","6","9","1") = "8"
    & skf18("1","3","7","9","6","10","1") = "9"
    & skf18("1","3","7","9","7","1","1") = "8"
    & skf18("1","3","7","9","7","2","1") = "8"
    & skf18("1","3","7","9","7","3","1") = "8"
    & skf18("1","3","7","9","7","4","1") = "8"
    & skf18("1","3","7","9","7","5","1") = "8"
    & skf18("1","3","7","9","7","6","1") = "8"
    & skf18("1","3","7","9","7","7","1") = "8"
    & skf18("1","3","7","9","7","8","1") = "8"
    & skf18("1","3","7","9","7","9","1") = "8"
    & skf18("1","3","7","9","7","10","1") = "9"
    & skf18("1","3","7","9","8","1","1") = "8"
    & skf18("1","3","7","9","8","2","1") = "8"
    & skf18("1","3","7","9","8","3","1") = "8"
    & skf18("1","3","7","9","8","4","1") = "8"
    & skf18("1","3","7","9","8","5","1") = "8"
    & skf18("1","3","7","9","8","6","1") = "8"
    & skf18("1","3","7","9","8","7","1") = "8"
    & skf18("1","3","7","9","8","8","1") = "8"
    & skf18("1","3","7","9","8","9","1") = "8"
    & skf18("1","3","7","9","8","10","1") = "9"
    & skf18("1","3","7","9","9","1","1") = "8"
    & skf18("1","3","7","9","9","2","1") = "8"
    & skf18("1","3","7","9","9","3","1") = "8"
    & skf18("1","3","7","9","9","4","1") = "8"
    & skf18("1","3","7","9","9","5","1") = "8"
    & skf18("1","3","7","9","9","6","1") = "8"
    & skf18("1","3","7","9","9","7","1") = "8"
    & skf18("1","3","7","9","9","8","1") = "8"
    & skf18("1","3","7","9","9","9","1") = "8"
    & skf18("1","3","7","9","9","10","1") = "9"
    & skf18("1","3","7","9","10","1","1") = "9"
    & skf18("1","3","7","9","10","2","1") = "9"
    & skf18("1","3","7","9","10","3","1") = "9"
    & skf18("1","3","7","9","10","4","1") = "9"
    & skf18("1","3","7","9","10","5","1") = "9"
    & skf18("1","3","7","9","10","6","1") = "9"
    & skf18("1","3","7","9","10","7","1") = "9"
    & skf18("1","3","7","9","10","8","1") = "9"
    & skf18("1","3","7","9","10","9","1") = "9"
    & skf18("1","3","7","9","10","10","1") = "9"
    & skf18("1","3","7","10","1","1","1") = "9"
    & skf18("1","3","7","10","1","2","1") = "9"
    & skf18("1","3","7","10","1","3","1") = "9"
    & skf18("1","3","7","10","1","4","1") = "9"
    & skf18("1","3","7","10","1","5","1") = "9"
    & skf18("1","3","7","10","1","6","1") = "9"
    & skf18("1","3","7","10","1","7","1") = "9"
    & skf18("1","3","7","10","1","8","1") = "9"
    & skf18("1","3","7","10","1","9","1") = "9"
    & skf18("1","3","7","10","1","10","1") = "9"
    & skf18("1","3","7","10","2","1","1") = "9"
    & skf18("1","3","7","10","2","2","1") = "9"
    & skf18("1","3","7","10","2","3","1") = "9"
    & skf18("1","3","7","10","2","4","1") = "9"
    & skf18("1","3","7","10","2","5","1") = "9"
    & skf18("1","3","7","10","2","6","1") = "9"
    & skf18("1","3","7","10","2","7","1") = "9"
    & skf18("1","3","7","10","2","8","1") = "9"
    & skf18("1","3","7","10","2","9","1") = "9"
    & skf18("1","3","7","10","2","10","1") = "9"
    & skf18("1","3","7","10","3","1","1") = "9"
    & skf18("1","3","7","10","3","2","1") = "9"
    & skf18("1","3","7","10","3","3","1") = "9"
    & skf18("1","3","7","10","3","4","1") = "9"
    & skf18("1","3","7","10","3","5","1") = "9"
    & skf18("1","3","7","10","3","6","1") = "9"
    & skf18("1","3","7","10","3","7","1") = "9"
    & skf18("1","3","7","10","3","8","1") = "9"
    & skf18("1","3","7","10","3","9","1") = "9"
    & skf18("1","3","7","10","3","10","1") = "9"
    & skf18("1","3","7","10","4","1","1") = "9"
    & skf18("1","3","7","10","4","2","1") = "9"
    & skf18("1","3","7","10","4","3","1") = "9"
    & skf18("1","3","7","10","4","4","1") = "9"
    & skf18("1","3","7","10","4","5","1") = "9"
    & skf18("1","3","7","10","4","6","1") = "9"
    & skf18("1","3","7","10","4","7","1") = "9"
    & skf18("1","3","7","10","4","8","1") = "9"
    & skf18("1","3","7","10","4","9","1") = "9"
    & skf18("1","3","7","10","4","10","1") = "9"
    & skf18("1","3","7","10","5","1","1") = "9"
    & skf18("1","3","7","10","5","2","1") = "9"
    & skf18("1","3","7","10","5","3","1") = "9"
    & skf18("1","3","7","10","5","4","1") = "9"
    & skf18("1","3","7","10","5","5","1") = "9"
    & skf18("1","3","7","10","5","6","1") = "9"
    & skf18("1","3","7","10","5","7","1") = "9"
    & skf18("1","3","7","10","5","8","1") = "9"
    & skf18("1","3","7","10","5","9","1") = "9"
    & skf18("1","3","7","10","5","10","1") = "9"
    & skf18("1","3","7","10","6","1","1") = "9"
    & skf18("1","3","7","10","6","2","1") = "9"
    & skf18("1","3","7","10","6","3","1") = "9"
    & skf18("1","3","7","10","6","4","1") = "9"
    & skf18("1","3","7","10","6","5","1") = "9"
    & skf18("1","3","7","10","6","6","1") = "9"
    & skf18("1","3","7","10","6","7","1") = "9"
    & skf18("1","3","7","10","6","8","1") = "9"
    & skf18("1","3","7","10","6","9","1") = "9"
    & skf18("1","3","7","10","6","10","1") = "9"
    & skf18("1","3","7","10","7","1","1") = "9"
    & skf18("1","3","7","10","7","2","1") = "9"
    & skf18("1","3","7","10","7","3","1") = "9"
    & skf18("1","3","7","10","7","4","1") = "9"
    & skf18("1","3","7","10","7","5","1") = "9"
    & skf18("1","3","7","10","7","6","1") = "9"
    & skf18("1","3","7","10","7","7","1") = "9"
    & skf18("1","3","7","10","7","8","1") = "9"
    & skf18("1","3","7","10","7","9","1") = "9"
    & skf18("1","3","7","10","7","10","1") = "9"
    & skf18("1","3","7","10","8","1","1") = "9"
    & skf18("1","3","7","10","8","2","1") = "9"
    & skf18("1","3","7","10","8","3","1") = "9"
    & skf18("1","3","7","10","8","4","1") = "9"
    & skf18("1","3","7","10","8","5","1") = "9"
    & skf18("1","3","7","10","8","6","1") = "9"
    & skf18("1","3","7","10","8","7","1") = "9"
    & skf18("1","3","7","10","8","8","1") = "9"
    & skf18("1","3","7","10","8","9","1") = "9"
    & skf18("1","3","7","10","8","10","1") = "9"
    & skf18("1","3","7","10","9","1","1") = "9"
    & skf18("1","3","7","10","9","2","1") = "9"
    & skf18("1","3","7","10","9","3","1") = "9"
    & skf18("1","3","7","10","9","4","1") = "9"
    & skf18("1","3","7","10","9","5","1") = "9"
    & skf18("1","3","7","10","9","6","1") = "9"
    & skf18("1","3","7","10","9","7","1") = "9"
    & skf18("1","3","7","10","9","8","1") = "9"
    & skf18("1","3","7","10","9","9","1") = "9"
    & skf18("1","3","7","10","9","10","1") = "9"
    & skf18("1","3","7","10","10","1","1") = "9"
    & skf18("1","3","7","10","10","2","1") = "9"
    & skf18("1","3","7","10","10","3","1") = "9"
    & skf18("1","3","7","10","10","4","1") = "9"
    & skf18("1","3","7","10","10","5","1") = "9"
    & skf18("1","3","7","10","10","6","1") = "9"
    & skf18("1","3","7","10","10","7","1") = "9"
    & skf18("1","3","7","10","10","8","1") = "9"
    & skf18("1","3","7","10","10","9","1") = "9"
    & skf18("1","3","7","10","10","10","1") = "9"
    & skf18("1","3","8","1","1","1","1") = "7"
    & skf18("1","3","8","1","1","2","1") = "7"
    & skf18("1","3","8","1","1","3","1") = "7"
    & skf18("1","3","8","1","1","4","1") = "7"
    & skf18("1","3","8","1","1","5","1") = "7"
    & skf18("1","3","8","1","1","6","1") = "7"
    & skf18("1","3","8","1","1","7","1") = "7"
    & skf18("1","3","8","1","1","8","1") = "7"
    & skf18("1","3","8","1","1","9","1") = "8"
    & skf18("1","3","8","1","1","10","1") = "9"
    & skf18("1","3","8","1","2","1","1") = "7"
    & skf18("1","3","8","1","2","2","1") = "7"
    & skf18("1","3","8","1","2","3","1") = "7"
    & skf18("1","3","8","1","2","4","1") = "7"
    & skf18("1","3","8","1","2","5","1") = "7"
    & skf18("1","3","8","1","2","6","1") = "7"
    & skf18("1","3","8","1","2","7","1") = "7"
    & skf18("1","3","8","1","2","8","1") = "7"
    & skf18("1","3","8","1","2","9","1") = "8"
    & skf18("1","3","8","1","2","10","1") = "9"
    & skf18("1","3","8","1","3","1","1") = "7"
    & skf18("1","3","8","1","3","2","1") = "7"
    & skf18("1","3","8","1","3","3","1") = "7"
    & skf18("1","3","8","1","3","4","1") = "7"
    & skf18("1","3","8","1","3","5","1") = "7"
    & skf18("1","3","8","1","3","6","1") = "7"
    & skf18("1","3","8","1","3","7","1") = "7"
    & skf18("1","3","8","1","3","8","1") = "7"
    & skf18("1","3","8","1","3","9","1") = "8"
    & skf18("1","3","8","1","3","10","1") = "9"
    & skf18("1","3","8","1","4","1","1") = "7"
    & skf18("1","3","8","1","4","2","1") = "7"
    & skf18("1","3","8","1","4","3","1") = "7"
    & skf18("1","3","8","1","4","4","1") = "7"
    & skf18("1","3","8","1","4","5","1") = "7"
    & skf18("1","3","8","1","4","6","1") = "7"
    & skf18("1","3","8","1","4","7","1") = "7"
    & skf18("1","3","8","1","4","8","1") = "7"
    & skf18("1","3","8","1","4","9","1") = "8"
    & skf18("1","3","8","1","4","10","1") = "9"
    & skf18("1","3","8","1","5","1","1") = "7"
    & skf18("1","3","8","1","5","2","1") = "7"
    & skf18("1","3","8","1","5","3","1") = "7"
    & skf18("1","3","8","1","5","4","1") = "7"
    & skf18("1","3","8","1","5","5","1") = "7"
    & skf18("1","3","8","1","5","6","1") = "7"
    & skf18("1","3","8","1","5","7","1") = "7"
    & skf18("1","3","8","1","5","8","1") = "7"
    & skf18("1","3","8","1","5","9","1") = "8"
    & skf18("1","3","8","1","5","10","1") = "9"
    & skf18("1","3","8","1","6","1","1") = "7"
    & skf18("1","3","8","1","6","2","1") = "7"
    & skf18("1","3","8","1","6","3","1") = "7"
    & skf18("1","3","8","1","6","4","1") = "7"
    & skf18("1","3","8","1","6","5","1") = "7"
    & skf18("1","3","8","1","6","6","1") = "7"
    & skf18("1","3","8","1","6","7","1") = "7"
    & skf18("1","3","8","1","6","8","1") = "7"
    & skf18("1","3","8","1","6","9","1") = "8"
    & skf18("1","3","8","1","6","10","1") = "9"
    & skf18("1","3","8","1","7","1","1") = "7"
    & skf18("1","3","8","1","7","2","1") = "7"
    & skf18("1","3","8","1","7","3","1") = "7"
    & skf18("1","3","8","1","7","4","1") = "7"
    & skf18("1","3","8","1","7","5","1") = "7"
    & skf18("1","3","8","1","7","6","1") = "7"
    & skf18("1","3","8","1","7","7","1") = "7"
    & skf18("1","3","8","1","7","8","1") = "7"
    & skf18("1","3","8","1","7","9","1") = "8"
    & skf18("1","3","8","1","7","10","1") = "9"
    & skf18("1","3","8","1","8","1","1") = "7"
    & skf18("1","3","8","1","8","2","1") = "7"
    & skf18("1","3","8","1","8","3","1") = "7"
    & skf18("1","3","8","1","8","4","1") = "7"
    & skf18("1","3","8","1","8","5","1") = "7"
    & skf18("1","3","8","1","8","6","1") = "7"
    & skf18("1","3","8","1","8","7","1") = "7"
    & skf18("1","3","8","1","8","8","1") = "7"
    & skf18("1","3","8","1","8","9","1") = "8"
    & skf18("1","3","8","1","8","10","1") = "9"
    & skf18("1","3","8","1","9","1","1") = "8"
    & skf18("1","3","8","1","9","2","1") = "8"
    & skf18("1","3","8","1","9","3","1") = "8"
    & skf18("1","3","8","1","9","4","1") = "8"
    & skf18("1","3","8","1","9","5","1") = "8"
    & skf18("1","3","8","1","9","6","1") = "8"
    & skf18("1","3","8","1","9","7","1") = "8"
    & skf18("1","3","8","1","9","8","1") = "8"
    & skf18("1","3","8","1","9","9","1") = "8"
    & skf18("1","3","8","1","9","10","1") = "9"
    & skf18("1","3","8","1","10","1","1") = "9"
    & skf18("1","3","8","1","10","2","1") = "9"
    & skf18("1","3","8","1","10","3","1") = "9"
    & skf18("1","3","8","1","10","4","1") = "9"
    & skf18("1","3","8","1","10","5","1") = "9"
    & skf18("1","3","8","1","10","6","1") = "9"
    & skf18("1","3","8","1","10","7","1") = "9"
    & skf18("1","3","8","1","10","8","1") = "9"
    & skf18("1","3","8","1","10","9","1") = "9"
    & skf18("1","3","8","1","10","10","1") = "9"
    & skf18("1","3","8","2","1","1","1") = "7"
    & skf18("1","3","8","2","1","2","1") = "7"
    & skf18("1","3","8","2","1","3","1") = "7"
    & skf18("1","3","8","2","1","4","1") = "7"
    & skf18("1","3","8","2","1","5","1") = "7"
    & skf18("1","3","8","2","1","6","1") = "7"
    & skf18("1","3","8","2","1","7","1") = "7"
    & skf18("1","3","8","2","1","8","1") = "7"
    & skf18("1","3","8","2","1","9","1") = "8"
    & skf18("1","3","8","2","1","10","1") = "9"
    & skf18("1","3","8","2","2","1","1") = "7"
    & skf18("1","3","8","2","2","2","1") = "7"
    & skf18("1","3","8","2","2","3","1") = "7"
    & skf18("1","3","8","2","2","4","1") = "7"
    & skf18("1","3","8","2","2","5","1") = "7"
    & skf18("1","3","8","2","2","6","1") = "7"
    & skf18("1","3","8","2","2","7","1") = "7"
    & skf18("1","3","8","2","2","8","1") = "7"
    & skf18("1","3","8","2","2","9","1") = "8"
    & skf18("1","3","8","2","2","10","1") = "9"
    & skf18("1","3","8","2","3","1","1") = "7"
    & skf18("1","3","8","2","3","2","1") = "7"
    & skf18("1","3","8","2","3","3","1") = "7"
    & skf18("1","3","8","2","3","4","1") = "7"
    & skf18("1","3","8","2","3","5","1") = "7"
    & skf18("1","3","8","2","3","6","1") = "7"
    & skf18("1","3","8","2","3","7","1") = "7"
    & skf18("1","3","8","2","3","8","1") = "7"
    & skf18("1","3","8","2","3","9","1") = "8"
    & skf18("1","3","8","2","3","10","1") = "9"
    & skf18("1","3","8","2","4","1","1") = "7"
    & skf18("1","3","8","2","4","2","1") = "7"
    & skf18("1","3","8","2","4","3","1") = "7"
    & skf18("1","3","8","2","4","4","1") = "7"
    & skf18("1","3","8","2","4","5","1") = "7"
    & skf18("1","3","8","2","4","6","1") = "7"
    & skf18("1","3","8","2","4","7","1") = "7"
    & skf18("1","3","8","2","4","8","1") = "7"
    & skf18("1","3","8","2","4","9","1") = "8"
    & skf18("1","3","8","2","4","10","1") = "9"
    & skf18("1","3","8","2","5","1","1") = "7"
    & skf18("1","3","8","2","5","2","1") = "7"
    & skf18("1","3","8","2","5","3","1") = "7"
    & skf18("1","3","8","2","5","4","1") = "7"
    & skf18("1","3","8","2","5","5","1") = "7"
    & skf18("1","3","8","2","5","6","1") = "7"
    & skf18("1","3","8","2","5","7","1") = "7"
    & skf18("1","3","8","2","5","8","1") = "7"
    & skf18("1","3","8","2","5","9","1") = "8"
    & skf18("1","3","8","2","5","10","1") = "9"
    & skf18("1","3","8","2","6","1","1") = "7"
    & skf18("1","3","8","2","6","2","1") = "7"
    & skf18("1","3","8","2","6","3","1") = "7"
    & skf18("1","3","8","2","6","4","1") = "7"
    & skf18("1","3","8","2","6","5","1") = "7"
    & skf18("1","3","8","2","6","6","1") = "7"
    & skf18("1","3","8","2","6","7","1") = "7"
    & skf18("1","3","8","2","6","8","1") = "7"
    & skf18("1","3","8","2","6","9","1") = "8"
    & skf18("1","3","8","2","6","10","1") = "9"
    & skf18("1","3","8","2","7","1","1") = "7"
    & skf18("1","3","8","2","7","2","1") = "7"
    & skf18("1","3","8","2","7","3","1") = "7"
    & skf18("1","3","8","2","7","4","1") = "7"
    & skf18("1","3","8","2","7","5","1") = "7"
    & skf18("1","3","8","2","7","6","1") = "7"
    & skf18("1","3","8","2","7","7","1") = "7"
    & skf18("1","3","8","2","7","8","1") = "7"
    & skf18("1","3","8","2","7","9","1") = "8"
    & skf18("1","3","8","2","7","10","1") = "9"
    & skf18("1","3","8","2","8","1","1") = "7"
    & skf18("1","3","8","2","8","2","1") = "7"
    & skf18("1","3","8","2","8","3","1") = "7"
    & skf18("1","3","8","2","8","4","1") = "7"
    & skf18("1","3","8","2","8","5","1") = "7"
    & skf18("1","3","8","2","8","6","1") = "7"
    & skf18("1","3","8","2","8","7","1") = "7"
    & skf18("1","3","8","2","8","8","1") = "7"
    & skf18("1","3","8","2","8","9","1") = "8"
    & skf18("1","3","8","2","8","10","1") = "9"
    & skf18("1","3","8","2","9","1","1") = "8"
    & skf18("1","3","8","2","9","2","1") = "8"
    & skf18("1","3","8","2","9","3","1") = "8"
    & skf18("1","3","8","2","9","4","1") = "8"
    & skf18("1","3","8","2","9","5","1") = "8"
    & skf18("1","3","8","2","9","6","1") = "8"
    & skf18("1","3","8","2","9","7","1") = "8"
    & skf18("1","3","8","2","9","8","1") = "8"
    & skf18("1","3","8","2","9","9","1") = "8"
    & skf18("1","3","8","2","9","10","1") = "9"
    & skf18("1","3","8","2","10","1","1") = "9"
    & skf18("1","3","8","2","10","2","1") = "9"
    & skf18("1","3","8","2","10","3","1") = "9"
    & skf18("1","3","8","2","10","4","1") = "9"
    & skf18("1","3","8","2","10","5","1") = "9"
    & skf18("1","3","8","2","10","6","1") = "9"
    & skf18("1","3","8","2","10","7","1") = "9"
    & skf18("1","3","8","2","10","8","1") = "9"
    & skf18("1","3","8","2","10","9","1") = "9"
    & skf18("1","3","8","2","10","10","1") = "9"
    & skf18("1","3","8","3","1","1","1") = "7"
    & skf18("1","3","8","3","1","2","1") = "7"
    & skf18("1","3","8","3","1","3","1") = "7"
    & skf18("1","3","8","3","1","4","1") = "7"
    & skf18("1","3","8","3","1","5","1") = "7"
    & skf18("1","3","8","3","1","6","1") = "7"
    & skf18("1","3","8","3","1","7","1") = "7"
    & skf18("1","3","8","3","1","8","1") = "7"
    & skf18("1","3","8","3","1","9","1") = "8"
    & skf18("1","3","8","3","1","10","1") = "9"
    & skf18("1","3","8","3","2","1","1") = "7"
    & skf18("1","3","8","3","2","2","1") = "7"
    & skf18("1","3","8","3","2","3","1") = "7"
    & skf18("1","3","8","3","2","4","1") = "7"
    & skf18("1","3","8","3","2","5","1") = "7"
    & skf18("1","3","8","3","2","6","1") = "7"
    & skf18("1","3","8","3","2","7","1") = "7"
    & skf18("1","3","8","3","2","8","1") = "7"
    & skf18("1","3","8","3","2","9","1") = "8"
    & skf18("1","3","8","3","2","10","1") = "9"
    & skf18("1","3","8","3","3","1","1") = "7"
    & skf18("1","3","8","3","3","2","1") = "7"
    & skf18("1","3","8","3","3","3","1") = "7"
    & skf18("1","3","8","3","3","4","1") = "7"
    & skf18("1","3","8","3","3","5","1") = "7"
    & skf18("1","3","8","3","3","6","1") = "7"
    & skf18("1","3","8","3","3","7","1") = "7"
    & skf18("1","3","8","3","3","8","1") = "7"
    & skf18("1","3","8","3","3","9","1") = "8"
    & skf18("1","3","8","3","3","10","1") = "9"
    & skf18("1","3","8","3","4","1","1") = "7"
    & skf18("1","3","8","3","4","2","1") = "7"
    & skf18("1","3","8","3","4","3","1") = "7"
    & skf18("1","3","8","3","4","4","1") = "7"
    & skf18("1","3","8","3","4","5","1") = "7"
    & skf18("1","3","8","3","4","6","1") = "7"
    & skf18("1","3","8","3","4","7","1") = "7"
    & skf18("1","3","8","3","4","8","1") = "7"
    & skf18("1","3","8","3","4","9","1") = "8"
    & skf18("1","3","8","3","4","10","1") = "9"
    & skf18("1","3","8","3","5","1","1") = "7"
    & skf18("1","3","8","3","5","2","1") = "7"
    & skf18("1","3","8","3","5","3","1") = "7"
    & skf18("1","3","8","3","5","4","1") = "7"
    & skf18("1","3","8","3","5","5","1") = "7"
    & skf18("1","3","8","3","5","6","1") = "7"
    & skf18("1","3","8","3","5","7","1") = "7"
    & skf18("1","3","8","3","5","8","1") = "7"
    & skf18("1","3","8","3","5","9","1") = "8"
    & skf18("1","3","8","3","5","10","1") = "9"
    & skf18("1","3","8","3","6","1","1") = "7"
    & skf18("1","3","8","3","6","2","1") = "7"
    & skf18("1","3","8","3","6","3","1") = "7"
    & skf18("1","3","8","3","6","4","1") = "7"
    & skf18("1","3","8","3","6","5","1") = "7"
    & skf18("1","3","8","3","6","6","1") = "7"
    & skf18("1","3","8","3","6","7","1") = "7"
    & skf18("1","3","8","3","6","8","1") = "7"
    & skf18("1","3","8","3","6","9","1") = "8"
    & skf18("1","3","8","3","6","10","1") = "9"
    & skf18("1","3","8","3","7","1","1") = "7"
    & skf18("1","3","8","3","7","2","1") = "7"
    & skf18("1","3","8","3","7","3","1") = "7"
    & skf18("1","3","8","3","7","4","1") = "7"
    & skf18("1","3","8","3","7","5","1") = "7"
    & skf18("1","3","8","3","7","6","1") = "7"
    & skf18("1","3","8","3","7","7","1") = "7"
    & skf18("1","3","8","3","7","8","1") = "7"
    & skf18("1","3","8","3","7","9","1") = "8"
    & skf18("1","3","8","3","7","10","1") = "9"
    & skf18("1","3","8","3","8","1","1") = "7"
    & skf18("1","3","8","3","8","2","1") = "7"
    & skf18("1","3","8","3","8","3","1") = "7"
    & skf18("1","3","8","3","8","4","1") = "7"
    & skf18("1","3","8","3","8","5","1") = "7"
    & skf18("1","3","8","3","8","6","1") = "7"
    & skf18("1","3","8","3","8","7","1") = "7"
    & skf18("1","3","8","3","8","8","1") = "7"
    & skf18("1","3","8","3","8","9","1") = "8"
    & skf18("1","3","8","3","8","10","1") = "9"
    & skf18("1","3","8","3","9","1","1") = "8"
    & skf18("1","3","8","3","9","2","1") = "8"
    & skf18("1","3","8","3","9","3","1") = "8"
    & skf18("1","3","8","3","9","4","1") = "8"
    & skf18("1","3","8","3","9","5","1") = "8"
    & skf18("1","3","8","3","9","6","1") = "8"
    & skf18("1","3","8","3","9","7","1") = "8"
    & skf18("1","3","8","3","9","8","1") = "8"
    & skf18("1","3","8","3","9","9","1") = "8"
    & skf18("1","3","8","3","9","10","1") = "9"
    & skf18("1","3","8","3","10","1","1") = "9"
    & skf18("1","3","8","3","10","2","1") = "9"
    & skf18("1","3","8","3","10","3","1") = "9"
    & skf18("1","3","8","3","10","4","1") = "9"
    & skf18("1","3","8","3","10","5","1") = "9"
    & skf18("1","3","8","3","10","6","1") = "9"
    & skf18("1","3","8","3","10","7","1") = "9"
    & skf18("1","3","8","3","10","8","1") = "9"
    & skf18("1","3","8","3","10","9","1") = "9"
    & skf18("1","3","8","3","10","10","1") = "9"
    & skf18("1","3","8","4","1","1","1") = "7"
    & skf18("1","3","8","4","1","2","1") = "7"
    & skf18("1","3","8","4","1","3","1") = "7"
    & skf18("1","3","8","4","1","4","1") = "7"
    & skf18("1","3","8","4","1","5","1") = "7"
    & skf18("1","3","8","4","1","6","1") = "7"
    & skf18("1","3","8","4","1","7","1") = "7"
    & skf18("1","3","8","4","1","8","1") = "7"
    & skf18("1","3","8","4","1","9","1") = "8"
    & skf18("1","3","8","4","1","10","1") = "9"
    & skf18("1","3","8","4","2","1","1") = "7"
    & skf18("1","3","8","4","2","2","1") = "7"
    & skf18("1","3","8","4","2","3","1") = "7"
    & skf18("1","3","8","4","2","4","1") = "7"
    & skf18("1","3","8","4","2","5","1") = "7"
    & skf18("1","3","8","4","2","6","1") = "7"
    & skf18("1","3","8","4","2","7","1") = "7"
    & skf18("1","3","8","4","2","8","1") = "7"
    & skf18("1","3","8","4","2","9","1") = "8"
    & skf18("1","3","8","4","2","10","1") = "9"
    & skf18("1","3","8","4","3","1","1") = "7"
    & skf18("1","3","8","4","3","2","1") = "7"
    & skf18("1","3","8","4","3","3","1") = "7"
    & skf18("1","3","8","4","3","4","1") = "7"
    & skf18("1","3","8","4","3","5","1") = "7"
    & skf18("1","3","8","4","3","6","1") = "7"
    & skf18("1","3","8","4","3","7","1") = "7"
    & skf18("1","3","8","4","3","8","1") = "7"
    & skf18("1","3","8","4","3","9","1") = "8"
    & skf18("1","3","8","4","3","10","1") = "9"
    & skf18("1","3","8","4","4","1","1") = "7"
    & skf18("1","3","8","4","4","2","1") = "7"
    & skf18("1","3","8","4","4","3","1") = "7"
    & skf18("1","3","8","4","4","4","1") = "7"
    & skf18("1","3","8","4","4","5","1") = "7"
    & skf18("1","3","8","4","4","6","1") = "7"
    & skf18("1","3","8","4","4","7","1") = "7"
    & skf18("1","3","8","4","4","8","1") = "7"
    & skf18("1","3","8","4","4","9","1") = "8"
    & skf18("1","3","8","4","4","10","1") = "9"
    & skf18("1","3","8","4","5","1","1") = "7"
    & skf18("1","3","8","4","5","2","1") = "7"
    & skf18("1","3","8","4","5","3","1") = "7"
    & skf18("1","3","8","4","5","4","1") = "7"
    & skf18("1","3","8","4","5","5","1") = "7"
    & skf18("1","3","8","4","5","6","1") = "7"
    & skf18("1","3","8","4","5","7","1") = "7"
    & skf18("1","3","8","4","5","8","1") = "7"
    & skf18("1","3","8","4","5","9","1") = "8"
    & skf18("1","3","8","4","5","10","1") = "9"
    & skf18("1","3","8","4","6","1","1") = "7"
    & skf18("1","3","8","4","6","2","1") = "7"
    & skf18("1","3","8","4","6","3","1") = "7"
    & skf18("1","3","8","4","6","4","1") = "7"
    & skf18("1","3","8","4","6","5","1") = "7"
    & skf18("1","3","8","4","6","6","1") = "7"
    & skf18("1","3","8","4","6","7","1") = "7"
    & skf18("1","3","8","4","6","8","1") = "7"
    & skf18("1","3","8","4","6","9","1") = "8"
    & skf18("1","3","8","4","6","10","1") = "9"
    & skf18("1","3","8","4","7","1","1") = "7"
    & skf18("1","3","8","4","7","2","1") = "7"
    & skf18("1","3","8","4","7","3","1") = "7"
    & skf18("1","3","8","4","7","4","1") = "7"
    & skf18("1","3","8","4","7","5","1") = "7"
    & skf18("1","3","8","4","7","6","1") = "7"
    & skf18("1","3","8","4","7","7","1") = "7"
    & skf18("1","3","8","4","7","8","1") = "7"
    & skf18("1","3","8","4","7","9","1") = "8"
    & skf18("1","3","8","4","7","10","1") = "9"
    & skf18("1","3","8","4","8","1","1") = "7"
    & skf18("1","3","8","4","8","2","1") = "7"
    & skf18("1","3","8","4","8","3","1") = "7"
    & skf18("1","3","8","4","8","4","1") = "7"
    & skf18("1","3","8","4","8","5","1") = "7"
    & skf18("1","3","8","4","8","6","1") = "7"
    & skf18("1","3","8","4","8","7","1") = "7"
    & skf18("1","3","8","4","8","8","1") = "7"
    & skf18("1","3","8","4","8","9","1") = "8"
    & skf18("1","3","8","4","8","10","1") = "9"
    & skf18("1","3","8","4","9","1","1") = "8"
    & skf18("1","3","8","4","9","2","1") = "8"
    & skf18("1","3","8","4","9","3","1") = "8"
    & skf18("1","3","8","4","9","4","1") = "8"
    & skf18("1","3","8","4","9","5","1") = "8"
    & skf18("1","3","8","4","9","6","1") = "8"
    & skf18("1","3","8","4","9","7","1") = "8"
    & skf18("1","3","8","4","9","8","1") = "8"
    & skf18("1","3","8","4","9","9","1") = "8"
    & skf18("1","3","8","4","9","10","1") = "9"
    & skf18("1","3","8","4","10","1","1") = "9"
    & skf18("1","3","8","4","10","2","1") = "9"
    & skf18("1","3","8","4","10","3","1") = "9"
    & skf18("1","3","8","4","10","4","1") = "9"
    & skf18("1","3","8","4","10","5","1") = "9"
    & skf18("1","3","8","4","10","6","1") = "9"
    & skf18("1","3","8","4","10","7","1") = "9"
    & skf18("1","3","8","4","10","8","1") = "9"
    & skf18("1","3","8","4","10","9","1") = "9"
    & skf18("1","3","8","4","10","10","1") = "9"
    & skf18("1","3","8","5","1","1","1") = "7"
    & skf18("1","3","8","5","1","2","1") = "7"
    & skf18("1","3","8","5","1","3","1") = "7"
    & skf18("1","3","8","5","1","4","1") = "7"
    & skf18("1","3","8","5","1","5","1") = "7"
    & skf18("1","3","8","5","1","6","1") = "7"
    & skf18("1","3","8","5","1","7","1") = "7"
    & skf18("1","3","8","5","1","8","1") = "7"
    & skf18("1","3","8","5","1","9","1") = "8"
    & skf18("1","3","8","5","1","10","1") = "9"
    & skf18("1","3","8","5","2","1","1") = "7"
    & skf18("1","3","8","5","2","2","1") = "7"
    & skf18("1","3","8","5","2","3","1") = "7"
    & skf18("1","3","8","5","2","4","1") = "7"
    & skf18("1","3","8","5","2","5","1") = "7"
    & skf18("1","3","8","5","2","6","1") = "7"
    & skf18("1","3","8","5","2","7","1") = "7"
    & skf18("1","3","8","5","2","8","1") = "7"
    & skf18("1","3","8","5","2","9","1") = "8"
    & skf18("1","3","8","5","2","10","1") = "9"
    & skf18("1","3","8","5","3","1","1") = "7"
    & skf18("1","3","8","5","3","2","1") = "7"
    & skf18("1","3","8","5","3","3","1") = "7"
    & skf18("1","3","8","5","3","4","1") = "7"
    & skf18("1","3","8","5","3","5","1") = "7"
    & skf18("1","3","8","5","3","6","1") = "7"
    & skf18("1","3","8","5","3","7","1") = "7"
    & skf18("1","3","8","5","3","8","1") = "7"
    & skf18("1","3","8","5","3","9","1") = "8"
    & skf18("1","3","8","5","3","10","1") = "9"
    & skf18("1","3","8","5","4","1","1") = "7"
    & skf18("1","3","8","5","4","2","1") = "7"
    & skf18("1","3","8","5","4","3","1") = "7"
    & skf18("1","3","8","5","4","4","1") = "7"
    & skf18("1","3","8","5","4","5","1") = "7"
    & skf18("1","3","8","5","4","6","1") = "7"
    & skf18("1","3","8","5","4","7","1") = "7"
    & skf18("1","3","8","5","4","8","1") = "7"
    & skf18("1","3","8","5","4","9","1") = "8"
    & skf18("1","3","8","5","4","10","1") = "9"
    & skf18("1","3","8","5","5","1","1") = "7"
    & skf18("1","3","8","5","5","2","1") = "7"
    & skf18("1","3","8","5","5","3","1") = "7"
    & skf18("1","3","8","5","5","4","1") = "7"
    & skf18("1","3","8","5","5","5","1") = "7"
    & skf18("1","3","8","5","5","6","1") = "7"
    & skf18("1","3","8","5","5","7","1") = "7"
    & skf18("1","3","8","5","5","8","1") = "7"
    & skf18("1","3","8","5","5","9","1") = "8"
    & skf18("1","3","8","5","5","10","1") = "9"
    & skf18("1","3","8","5","6","1","1") = "7"
    & skf18("1","3","8","5","6","2","1") = "7"
    & skf18("1","3","8","5","6","3","1") = "7"
    & skf18("1","3","8","5","6","4","1") = "7"
    & skf18("1","3","8","5","6","5","1") = "7"
    & skf18("1","3","8","5","6","6","1") = "7"
    & skf18("1","3","8","5","6","7","1") = "7"
    & skf18("1","3","8","5","6","8","1") = "7"
    & skf18("1","3","8","5","6","9","1") = "8"
    & skf18("1","3","8","5","6","10","1") = "9"
    & skf18("1","3","8","5","7","1","1") = "7"
    & skf18("1","3","8","5","7","2","1") = "7"
    & skf18("1","3","8","5","7","3","1") = "7"
    & skf18("1","3","8","5","7","4","1") = "7"
    & skf18("1","3","8","5","7","5","1") = "7"
    & skf18("1","3","8","5","7","6","1") = "7"
    & skf18("1","3","8","5","7","7","1") = "7"
    & skf18("1","3","8","5","7","8","1") = "7"
    & skf18("1","3","8","5","7","9","1") = "8"
    & skf18("1","3","8","5","7","10","1") = "9"
    & skf18("1","3","8","5","8","1","1") = "7"
    & skf18("1","3","8","5","8","2","1") = "7"
    & skf18("1","3","8","5","8","3","1") = "7"
    & skf18("1","3","8","5","8","4","1") = "7"
    & skf18("1","3","8","5","8","5","1") = "7"
    & skf18("1","3","8","5","8","6","1") = "7"
    & skf18("1","3","8","5","8","7","1") = "7"
    & skf18("1","3","8","5","8","8","1") = "7"
    & skf18("1","3","8","5","8","9","1") = "8"
    & skf18("1","3","8","5","8","10","1") = "9"
    & skf18("1","3","8","5","9","1","1") = "8"
    & skf18("1","3","8","5","9","2","1") = "8"
    & skf18("1","3","8","5","9","3","1") = "8"
    & skf18("1","3","8","5","9","4","1") = "8"
    & skf18("1","3","8","5","9","5","1") = "8"
    & skf18("1","3","8","5","9","6","1") = "8"
    & skf18("1","3","8","5","9","7","1") = "8"
    & skf18("1","3","8","5","9","8","1") = "8"
    & skf18("1","3","8","5","9","9","1") = "8"
    & skf18("1","3","8","5","9","10","1") = "9"
    & skf18("1","3","8","5","10","1","1") = "9"
    & skf18("1","3","8","5","10","2","1") = "9"
    & skf18("1","3","8","5","10","3","1") = "9"
    & skf18("1","3","8","5","10","4","1") = "9"
    & skf18("1","3","8","5","10","5","1") = "9"
    & skf18("1","3","8","5","10","6","1") = "9"
    & skf18("1","3","8","5","10","7","1") = "9"
    & skf18("1","3","8","5","10","8","1") = "9"
    & skf18("1","3","8","5","10","9","1") = "9"
    & skf18("1","3","8","5","10","10","1") = "9"
    & skf18("1","3","8","6","1","1","1") = "7"
    & skf18("1","3","8","6","1","2","1") = "7"
    & skf18("1","3","8","6","1","3","1") = "7"
    & skf18("1","3","8","6","1","4","1") = "7"
    & skf18("1","3","8","6","1","5","1") = "7"
    & skf18("1","3","8","6","1","6","1") = "7"
    & skf18("1","3","8","6","1","7","1") = "7"
    & skf18("1","3","8","6","1","8","1") = "7"
    & skf18("1","3","8","6","1","9","1") = "8"
    & skf18("1","3","8","6","1","10","1") = "9"
    & skf18("1","3","8","6","2","1","1") = "7"
    & skf18("1","3","8","6","2","2","1") = "7"
    & skf18("1","3","8","6","2","3","1") = "7"
    & skf18("1","3","8","6","2","4","1") = "7"
    & skf18("1","3","8","6","2","5","1") = "7"
    & skf18("1","3","8","6","2","6","1") = "7"
    & skf18("1","3","8","6","2","7","1") = "7"
    & skf18("1","3","8","6","2","8","1") = "7"
    & skf18("1","3","8","6","2","9","1") = "8"
    & skf18("1","3","8","6","2","10","1") = "9"
    & skf18("1","3","8","6","3","1","1") = "7"
    & skf18("1","3","8","6","3","2","1") = "7"
    & skf18("1","3","8","6","3","3","1") = "7"
    & skf18("1","3","8","6","3","4","1") = "7"
    & skf18("1","3","8","6","3","5","1") = "7"
    & skf18("1","3","8","6","3","6","1") = "7"
    & skf18("1","3","8","6","3","7","1") = "7"
    & skf18("1","3","8","6","3","8","1") = "7"
    & skf18("1","3","8","6","3","9","1") = "8"
    & skf18("1","3","8","6","3","10","1") = "9"
    & skf18("1","3","8","6","4","1","1") = "7"
    & skf18("1","3","8","6","4","2","1") = "7"
    & skf18("1","3","8","6","4","3","1") = "7"
    & skf18("1","3","8","6","4","4","1") = "7"
    & skf18("1","3","8","6","4","5","1") = "7"
    & skf18("1","3","8","6","4","6","1") = "7"
    & skf18("1","3","8","6","4","7","1") = "7"
    & skf18("1","3","8","6","4","8","1") = "7"
    & skf18("1","3","8","6","4","9","1") = "8"
    & skf18("1","3","8","6","4","10","1") = "9"
    & skf18("1","3","8","6","5","1","1") = "7"
    & skf18("1","3","8","6","5","2","1") = "7"
    & skf18("1","3","8","6","5","3","1") = "7"
    & skf18("1","3","8","6","5","4","1") = "7"
    & skf18("1","3","8","6","5","5","1") = "7"
    & skf18("1","3","8","6","5","6","1") = "7"
    & skf18("1","3","8","6","5","7","1") = "7"
    & skf18("1","3","8","6","5","8","1") = "7"
    & skf18("1","3","8","6","5","9","1") = "8"
    & skf18("1","3","8","6","5","10","1") = "9"
    & skf18("1","3","8","6","6","1","1") = "7"
    & skf18("1","3","8","6","6","2","1") = "7"
    & skf18("1","3","8","6","6","3","1") = "7"
    & skf18("1","3","8","6","6","4","1") = "7"
    & skf18("1","3","8","6","6","5","1") = "7"
    & skf18("1","3","8","6","6","6","1") = "7"
    & skf18("1","3","8","6","6","7","1") = "7"
    & skf18("1","3","8","6","6","8","1") = "7"
    & skf18("1","3","8","6","6","9","1") = "8"
    & skf18("1","3","8","6","6","10","1") = "9"
    & skf18("1","3","8","6","7","1","1") = "7"
    & skf18("1","3","8","6","7","2","1") = "7"
    & skf18("1","3","8","6","7","3","1") = "7"
    & skf18("1","3","8","6","7","4","1") = "7"
    & skf18("1","3","8","6","7","5","1") = "7"
    & skf18("1","3","8","6","7","6","1") = "7"
    & skf18("1","3","8","6","7","7","1") = "7"
    & skf18("1","3","8","6","7","8","1") = "7"
    & skf18("1","3","8","6","7","9","1") = "8"
    & skf18("1","3","8","6","7","10","1") = "9"
    & skf18("1","3","8","6","8","1","1") = "7"
    & skf18("1","3","8","6","8","2","1") = "7"
    & skf18("1","3","8","6","8","3","1") = "7"
    & skf18("1","3","8","6","8","4","1") = "7"
    & skf18("1","3","8","6","8","5","1") = "7"
    & skf18("1","3","8","6","8","6","1") = "7"
    & skf18("1","3","8","6","8","7","1") = "7"
    & skf18("1","3","8","6","8","8","1") = "7"
    & skf18("1","3","8","6","8","9","1") = "8"
    & skf18("1","3","8","6","8","10","1") = "9"
    & skf18("1","3","8","6","9","1","1") = "8"
    & skf18("1","3","8","6","9","2","1") = "8"
    & skf18("1","3","8","6","9","3","1") = "8"
    & skf18("1","3","8","6","9","4","1") = "8"
    & skf18("1","3","8","6","9","5","1") = "8"
    & skf18("1","3","8","6","9","6","1") = "8"
    & skf18("1","3","8","6","9","7","1") = "8"
    & skf18("1","3","8","6","9","8","1") = "8"
    & skf18("1","3","8","6","9","9","1") = "8"
    & skf18("1","3","8","6","9","10","1") = "9"
    & skf18("1","3","8","6","10","1","1") = "9"
    & skf18("1","3","8","6","10","2","1") = "9"
    & skf18("1","3","8","6","10","3","1") = "9"
    & skf18("1","3","8","6","10","4","1") = "9"
    & skf18("1","3","8","6","10","5","1") = "9"
    & skf18("1","3","8","6","10","6","1") = "9"
    & skf18("1","3","8","6","10","7","1") = "9"
    & skf18("1","3","8","6","10","8","1") = "9"
    & skf18("1","3","8","6","10","9","1") = "9"
    & skf18("1","3","8","6","10","10","1") = "9"
    & skf18("1","3","8","7","1","1","1") = "7"
    & skf18("1","3","8","7","1","2","1") = "7"
    & skf18("1","3","8","7","1","3","1") = "7"
    & skf18("1","3","8","7","1","4","1") = "7"
    & skf18("1","3","8","7","1","5","1") = "7"
    & skf18("1","3","8","7","1","6","1") = "7"
    & skf18("1","3","8","7","1","7","1") = "7"
    & skf18("1","3","8","7","1","8","1") = "7"
    & skf18("1","3","8","7","1","9","1") = "8"
    & skf18("1","3","8","7","1","10","1") = "9"
    & skf18("1","3","8","7","2","1","1") = "7"
    & skf18("1","3","8","7","2","2","1") = "7"
    & skf18("1","3","8","7","2","3","1") = "7"
    & skf18("1","3","8","7","2","4","1") = "7"
    & skf18("1","3","8","7","2","5","1") = "7"
    & skf18("1","3","8","7","2","6","1") = "7"
    & skf18("1","3","8","7","2","7","1") = "7"
    & skf18("1","3","8","7","2","8","1") = "7"
    & skf18("1","3","8","7","2","9","1") = "8"
    & skf18("1","3","8","7","2","10","1") = "9"
    & skf18("1","3","8","7","3","1","1") = "7"
    & skf18("1","3","8","7","3","2","1") = "7"
    & skf18("1","3","8","7","3","3","1") = "7"
    & skf18("1","3","8","7","3","4","1") = "7"
    & skf18("1","3","8","7","3","5","1") = "7"
    & skf18("1","3","8","7","3","6","1") = "7"
    & skf18("1","3","8","7","3","7","1") = "7"
    & skf18("1","3","8","7","3","8","1") = "7"
    & skf18("1","3","8","7","3","9","1") = "8"
    & skf18("1","3","8","7","3","10","1") = "9"
    & skf18("1","3","8","7","4","1","1") = "7"
    & skf18("1","3","8","7","4","2","1") = "7"
    & skf18("1","3","8","7","4","3","1") = "7"
    & skf18("1","3","8","7","4","4","1") = "7"
    & skf18("1","3","8","7","4","5","1") = "7"
    & skf18("1","3","8","7","4","6","1") = "7"
    & skf18("1","3","8","7","4","7","1") = "7"
    & skf18("1","3","8","7","4","8","1") = "7"
    & skf18("1","3","8","7","4","9","1") = "8"
    & skf18("1","3","8","7","4","10","1") = "9"
    & skf18("1","3","8","7","5","1","1") = "7"
    & skf18("1","3","8","7","5","2","1") = "7"
    & skf18("1","3","8","7","5","3","1") = "7"
    & skf18("1","3","8","7","5","4","1") = "7"
    & skf18("1","3","8","7","5","5","1") = "7"
    & skf18("1","3","8","7","5","6","1") = "7"
    & skf18("1","3","8","7","5","7","1") = "7"
    & skf18("1","3","8","7","5","8","1") = "7"
    & skf18("1","3","8","7","5","9","1") = "8"
    & skf18("1","3","8","7","5","10","1") = "9"
    & skf18("1","3","8","7","6","1","1") = "7"
    & skf18("1","3","8","7","6","2","1") = "7"
    & skf18("1","3","8","7","6","3","1") = "7"
    & skf18("1","3","8","7","6","4","1") = "7"
    & skf18("1","3","8","7","6","5","1") = "7"
    & skf18("1","3","8","7","6","6","1") = "7"
    & skf18("1","3","8","7","6","7","1") = "7"
    & skf18("1","3","8","7","6","8","1") = "7"
    & skf18("1","3","8","7","6","9","1") = "8"
    & skf18("1","3","8","7","6","10","1") = "9"
    & skf18("1","3","8","7","7","1","1") = "7"
    & skf18("1","3","8","7","7","2","1") = "7"
    & skf18("1","3","8","7","7","3","1") = "7"
    & skf18("1","3","8","7","7","4","1") = "7"
    & skf18("1","3","8","7","7","5","1") = "7"
    & skf18("1","3","8","7","7","6","1") = "7"
    & skf18("1","3","8","7","7","7","1") = "7"
    & skf18("1","3","8","7","7","8","1") = "7"
    & skf18("1","3","8","7","7","9","1") = "8"
    & skf18("1","3","8","7","7","10","1") = "9"
    & skf18("1","3","8","7","8","1","1") = "7"
    & skf18("1","3","8","7","8","2","1") = "7"
    & skf18("1","3","8","7","8","3","1") = "7"
    & skf18("1","3","8","7","8","4","1") = "7"
    & skf18("1","3","8","7","8","5","1") = "7"
    & skf18("1","3","8","7","8","6","1") = "7"
    & skf18("1","3","8","7","8","7","1") = "7"
    & skf18("1","3","8","7","8","8","1") = "7"
    & skf18("1","3","8","7","8","9","1") = "8"
    & skf18("1","3","8","7","8","10","1") = "9"
    & skf18("1","3","8","7","9","1","1") = "8"
    & skf18("1","3","8","7","9","2","1") = "8"
    & skf18("1","3","8","7","9","3","1") = "8"
    & skf18("1","3","8","7","9","4","1") = "8"
    & skf18("1","3","8","7","9","5","1") = "8"
    & skf18("1","3","8","7","9","6","1") = "8"
    & skf18("1","3","8","7","9","7","1") = "8"
    & skf18("1","3","8","7","9","8","1") = "8"
    & skf18("1","3","8","7","9","9","1") = "8"
    & skf18("1","3","8","7","9","10","1") = "9"
    & skf18("1","3","8","7","10","1","1") = "9"
    & skf18("1","3","8","7","10","2","1") = "9"
    & skf18("1","3","8","7","10","3","1") = "9"
    & skf18("1","3","8","7","10","4","1") = "9"
    & skf18("1","3","8","7","10","5","1") = "9"
    & skf18("1","3","8","7","10","6","1") = "9"
    & skf18("1","3","8","7","10","7","1") = "9"
    & skf18("1","3","8","7","10","8","1") = "9"
    & skf18("1","3","8","7","10","9","1") = "9"
    & skf18("1","3","8","7","10","10","1") = "9"
    & skf18("1","3","8","8","1","1","1") = "7"
    & skf18("1","3","8","8","1","2","1") = "7"
    & skf18("1","3","8","8","1","3","1") = "7"
    & skf18("1","3","8","8","1","4","1") = "7"
    & skf18("1","3","8","8","1","5","1") = "7"
    & skf18("1","3","8","8","1","6","1") = "7"
    & skf18("1","3","8","8","1","7","1") = "7"
    & skf18("1","3","8","8","1","8","1") = "7"
    & skf18("1","3","8","8","1","9","1") = "8"
    & skf18("1","3","8","8","1","10","1") = "9"
    & skf18("1","3","8","8","2","1","1") = "7"
    & skf18("1","3","8","8","2","2","1") = "7"
    & skf18("1","3","8","8","2","3","1") = "7"
    & skf18("1","3","8","8","2","4","1") = "7"
    & skf18("1","3","8","8","2","5","1") = "7"
    & skf18("1","3","8","8","2","6","1") = "7"
    & skf18("1","3","8","8","2","7","1") = "7"
    & skf18("1","3","8","8","2","8","1") = "7"
    & skf18("1","3","8","8","2","9","1") = "8"
    & skf18("1","3","8","8","2","10","1") = "9"
    & skf18("1","3","8","8","3","1","1") = "7"
    & skf18("1","3","8","8","3","2","1") = "7"
    & skf18("1","3","8","8","3","3","1") = "7"
    & skf18("1","3","8","8","3","4","1") = "7"
    & skf18("1","3","8","8","3","5","1") = "7"
    & skf18("1","3","8","8","3","6","1") = "7"
    & skf18("1","3","8","8","3","7","1") = "7"
    & skf18("1","3","8","8","3","8","1") = "7"
    & skf18("1","3","8","8","3","9","1") = "8"
    & skf18("1","3","8","8","3","10","1") = "9"
    & skf18("1","3","8","8","4","1","1") = "7"
    & skf18("1","3","8","8","4","2","1") = "7"
    & skf18("1","3","8","8","4","3","1") = "7"
    & skf18("1","3","8","8","4","4","1") = "7"
    & skf18("1","3","8","8","4","5","1") = "7"
    & skf18("1","3","8","8","4","6","1") = "7"
    & skf18("1","3","8","8","4","7","1") = "7"
    & skf18("1","3","8","8","4","8","1") = "7"
    & skf18("1","3","8","8","4","9","1") = "8"
    & skf18("1","3","8","8","4","10","1") = "9"
    & skf18("1","3","8","8","5","1","1") = "7"
    & skf18("1","3","8","8","5","2","1") = "7"
    & skf18("1","3","8","8","5","3","1") = "7"
    & skf18("1","3","8","8","5","4","1") = "7"
    & skf18("1","3","8","8","5","5","1") = "7"
    & skf18("1","3","8","8","5","6","1") = "7"
    & skf18("1","3","8","8","5","7","1") = "7"
    & skf18("1","3","8","8","5","8","1") = "7"
    & skf18("1","3","8","8","5","9","1") = "8"
    & skf18("1","3","8","8","5","10","1") = "9"
    & skf18("1","3","8","8","6","1","1") = "7"
    & skf18("1","3","8","8","6","2","1") = "7"
    & skf18("1","3","8","8","6","3","1") = "7"
    & skf18("1","3","8","8","6","4","1") = "7"
    & skf18("1","3","8","8","6","5","1") = "7"
    & skf18("1","3","8","8","6","6","1") = "7"
    & skf18("1","3","8","8","6","7","1") = "7"
    & skf18("1","3","8","8","6","8","1") = "7"
    & skf18("1","3","8","8","6","9","1") = "8"
    & skf18("1","3","8","8","6","10","1") = "9"
    & skf18("1","3","8","8","7","1","1") = "7"
    & skf18("1","3","8","8","7","2","1") = "7"
    & skf18("1","3","8","8","7","3","1") = "7"
    & skf18("1","3","8","8","7","4","1") = "7"
    & skf18("1","3","8","8","7","5","1") = "7"
    & skf18("1","3","8","8","7","6","1") = "7"
    & skf18("1","3","8","8","7","7","1") = "7"
    & skf18("1","3","8","8","7","8","1") = "7"
    & skf18("1","3","8","8","7","9","1") = "8"
    & skf18("1","3","8","8","7","10","1") = "9"
    & skf18("1","3","8","8","8","1","1") = "7"
    & skf18("1","3","8","8","8","2","1") = "7"
    & skf18("1","3","8","8","8","3","1") = "7"
    & skf18("1","3","8","8","8","4","1") = "7"
    & skf18("1","3","8","8","8","5","1") = "7"
    & skf18("1","3","8","8","8","6","1") = "7"
    & skf18("1","3","8","8","8","7","1") = "7"
    & skf18("1","3","8","8","8","8","1") = "7"
    & skf18("1","3","8","8","8","9","1") = "8"
    & skf18("1","3","8","8","8","10","1") = "9"
    & skf18("1","3","8","8","9","1","1") = "8"
    & skf18("1","3","8","8","9","2","1") = "8"
    & skf18("1","3","8","8","9","3","1") = "8"
    & skf18("1","3","8","8","9","4","1") = "8"
    & skf18("1","3","8","8","9","5","1") = "8"
    & skf18("1","3","8","8","9","6","1") = "8"
    & skf18("1","3","8","8","9","7","1") = "8"
    & skf18("1","3","8","8","9","8","1") = "8"
    & skf18("1","3","8","8","9","9","1") = "8"
    & skf18("1","3","8","8","9","10","1") = "9"
    & skf18("1","3","8","8","10","1","1") = "9"
    & skf18("1","3","8","8","10","2","1") = "9"
    & skf18("1","3","8","8","10","3","1") = "9"
    & skf18("1","3","8","8","10","4","1") = "9"
    & skf18("1","3","8","8","10","5","1") = "9"
    & skf18("1","3","8","8","10","6","1") = "9"
    & skf18("1","3","8","8","10","7","1") = "9"
    & skf18("1","3","8","8","10","8","1") = "9"
    & skf18("1","3","8","8","10","9","1") = "9"
    & skf18("1","3","8","8","10","10","1") = "9"
    & skf18("1","3","8","9","1","1","1") = "8"
    & skf18("1","3","8","9","1","2","1") = "8"
    & skf18("1","3","8","9","1","3","1") = "8"
    & skf18("1","3","8","9","1","4","1") = "8"
    & skf18("1","3","8","9","1","5","1") = "8"
    & skf18("1","3","8","9","1","6","1") = "8"
    & skf18("1","3","8","9","1","7","1") = "8"
    & skf18("1","3","8","9","1","8","1") = "8"
    & skf18("1","3","8","9","1","9","1") = "8"
    & skf18("1","3","8","9","1","10","1") = "9"
    & skf18("1","3","8","9","2","1","1") = "8"
    & skf18("1","3","8","9","2","2","1") = "8"
    & skf18("1","3","8","9","2","3","1") = "8"
    & skf18("1","3","8","9","2","4","1") = "8"
    & skf18("1","3","8","9","2","5","1") = "8"
    & skf18("1","3","8","9","2","6","1") = "8"
    & skf18("1","3","8","9","2","7","1") = "8"
    & skf18("1","3","8","9","2","8","1") = "8"
    & skf18("1","3","8","9","2","9","1") = "8"
    & skf18("1","3","8","9","2","10","1") = "9"
    & skf18("1","3","8","9","3","1","1") = "8"
    & skf18("1","3","8","9","3","2","1") = "8"
    & skf18("1","3","8","9","3","3","1") = "8"
    & skf18("1","3","8","9","3","4","1") = "8"
    & skf18("1","3","8","9","3","5","1") = "8"
    & skf18("1","3","8","9","3","6","1") = "8"
    & skf18("1","3","8","9","3","7","1") = "8"
    & skf18("1","3","8","9","3","8","1") = "8"
    & skf18("1","3","8","9","3","9","1") = "8"
    & skf18("1","3","8","9","3","10","1") = "9"
    & skf18("1","3","8","9","4","1","1") = "8"
    & skf18("1","3","8","9","4","2","1") = "8"
    & skf18("1","3","8","9","4","3","1") = "8"
    & skf18("1","3","8","9","4","4","1") = "8"
    & skf18("1","3","8","9","4","5","1") = "8"
    & skf18("1","3","8","9","4","6","1") = "8"
    & skf18("1","3","8","9","4","7","1") = "8"
    & skf18("1","3","8","9","4","8","1") = "8"
    & skf18("1","3","8","9","4","9","1") = "8"
    & skf18("1","3","8","9","4","10","1") = "9"
    & skf18("1","3","8","9","5","1","1") = "8"
    & skf18("1","3","8","9","5","2","1") = "8"
    & skf18("1","3","8","9","5","3","1") = "8"
    & skf18("1","3","8","9","5","4","1") = "8"
    & skf18("1","3","8","9","5","5","1") = "8"
    & skf18("1","3","8","9","5","6","1") = "8"
    & skf18("1","3","8","9","5","7","1") = "8"
    & skf18("1","3","8","9","5","8","1") = "8"
    & skf18("1","3","8","9","5","9","1") = "8"
    & skf18("1","3","8","9","5","10","1") = "9"
    & skf18("1","3","8","9","6","1","1") = "8"
    & skf18("1","3","8","9","6","2","1") = "8"
    & skf18("1","3","8","9","6","3","1") = "8"
    & skf18("1","3","8","9","6","4","1") = "8"
    & skf18("1","3","8","9","6","5","1") = "8"
    & skf18("1","3","8","9","6","6","1") = "8"
    & skf18("1","3","8","9","6","7","1") = "8"
    & skf18("1","3","8","9","6","8","1") = "8"
    & skf18("1","3","8","9","6","9","1") = "8"
    & skf18("1","3","8","9","6","10","1") = "9"
    & skf18("1","3","8","9","7","1","1") = "8"
    & skf18("1","3","8","9","7","2","1") = "8"
    & skf18("1","3","8","9","7","3","1") = "8"
    & skf18("1","3","8","9","7","4","1") = "8"
    & skf18("1","3","8","9","7","5","1") = "8"
    & skf18("1","3","8","9","7","6","1") = "8"
    & skf18("1","3","8","9","7","7","1") = "8"
    & skf18("1","3","8","9","7","8","1") = "8"
    & skf18("1","3","8","9","7","9","1") = "8"
    & skf18("1","3","8","9","7","10","1") = "9"
    & skf18("1","3","8","9","8","1","1") = "8"
    & skf18("1","3","8","9","8","2","1") = "8"
    & skf18("1","3","8","9","8","3","1") = "8"
    & skf18("1","3","8","9","8","4","1") = "8"
    & skf18("1","3","8","9","8","5","1") = "8"
    & skf18("1","3","8","9","8","6","1") = "8"
    & skf18("1","3","8","9","8","7","1") = "8"
    & skf18("1","3","8","9","8","8","1") = "8"
    & skf18("1","3","8","9","8","9","1") = "8"
    & skf18("1","3","8","9","8","10","1") = "9"
    & skf18("1","3","8","9","9","1","1") = "8"
    & skf18("1","3","8","9","9","2","1") = "8"
    & skf18("1","3","8","9","9","3","1") = "8"
    & skf18("1","3","8","9","9","4","1") = "8"
    & skf18("1","3","8","9","9","5","1") = "8"
    & skf18("1","3","8","9","9","6","1") = "8"
    & skf18("1","3","8","9","9","7","1") = "8"
    & skf18("1","3","8","9","9","8","1") = "8"
    & skf18("1","3","8","9","9","9","1") = "8"
    & skf18("1","3","8","9","9","10","1") = "9"
    & skf18("1","3","8","9","10","1","1") = "9"
    & skf18("1","3","8","9","10","2","1") = "9"
    & skf18("1","3","8","9","10","3","1") = "9"
    & skf18("1","3","8","9","10","4","1") = "9"
    & skf18("1","3","8","9","10","5","1") = "9"
    & skf18("1","3","8","9","10","6","1") = "9"
    & skf18("1","3","8","9","10","7","1") = "9"
    & skf18("1","3","8","9","10","8","1") = "9"
    & skf18("1","3","8","9","10","9","1") = "9"
    & skf18("1","3","8","9","10","10","1") = "9"
    & skf18("1","3","8","10","1","1","1") = "9"
    & skf18("1","3","8","10","1","2","1") = "9"
    & skf18("1","3","8","10","1","3","1") = "9"
    & skf18("1","3","8","10","1","4","1") = "9"
    & skf18("1","3","8","10","1","5","1") = "9"
    & skf18("1","3","8","10","1","6","1") = "9"
    & skf18("1","3","8","10","1","7","1") = "9"
    & skf18("1","3","8","10","1","8","1") = "9"
    & skf18("1","3","8","10","1","9","1") = "9"
    & skf18("1","3","8","10","1","10","1") = "9"
    & skf18("1","3","8","10","2","1","1") = "9"
    & skf18("1","3","8","10","2","2","1") = "9"
    & skf18("1","3","8","10","2","3","1") = "9"
    & skf18("1","3","8","10","2","4","1") = "9"
    & skf18("1","3","8","10","2","5","1") = "9"
    & skf18("1","3","8","10","2","6","1") = "9"
    & skf18("1","3","8","10","2","7","1") = "9"
    & skf18("1","3","8","10","2","8","1") = "9"
    & skf18("1","3","8","10","2","9","1") = "9"
    & skf18("1","3","8","10","2","10","1") = "9"
    & skf18("1","3","8","10","3","1","1") = "9"
    & skf18("1","3","8","10","3","2","1") = "9"
    & skf18("1","3","8","10","3","3","1") = "9"
    & skf18("1","3","8","10","3","4","1") = "9"
    & skf18("1","3","8","10","3","5","1") = "9"
    & skf18("1","3","8","10","3","6","1") = "9"
    & skf18("1","3","8","10","3","7","1") = "9"
    & skf18("1","3","8","10","3","8","1") = "9"
    & skf18("1","3","8","10","3","9","1") = "9"
    & skf18("1","3","8","10","3","10","1") = "9"
    & skf18("1","3","8","10","4","1","1") = "9"
    & skf18("1","3","8","10","4","2","1") = "9"
    & skf18("1","3","8","10","4","3","1") = "9"
    & skf18("1","3","8","10","4","4","1") = "9"
    & skf18("1","3","8","10","4","5","1") = "9"
    & skf18("1","3","8","10","4","6","1") = "9"
    & skf18("1","3","8","10","4","7","1") = "9"
    & skf18("1","3","8","10","4","8","1") = "9"
    & skf18("1","3","8","10","4","9","1") = "9"
    & skf18("1","3","8","10","4","10","1") = "9"
    & skf18("1","3","8","10","5","1","1") = "9"
    & skf18("1","3","8","10","5","2","1") = "9"
    & skf18("1","3","8","10","5","3","1") = "9"
    & skf18("1","3","8","10","5","4","1") = "9"
    & skf18("1","3","8","10","5","5","1") = "9"
    & skf18("1","3","8","10","5","6","1") = "9"
    & skf18("1","3","8","10","5","7","1") = "9"
    & skf18("1","3","8","10","5","8","1") = "9"
    & skf18("1","3","8","10","5","9","1") = "9"
    & skf18("1","3","8","10","5","10","1") = "9"
    & skf18("1","3","8","10","6","1","1") = "9"
    & skf18("1","3","8","10","6","2","1") = "9"
    & skf18("1","3","8","10","6","3","1") = "9"
    & skf18("1","3","8","10","6","4","1") = "9"
    & skf18("1","3","8","10","6","5","1") = "9"
    & skf18("1","3","8","10","6","6","1") = "9"
    & skf18("1","3","8","10","6","7","1") = "9"
    & skf18("1","3","8","10","6","8","1") = "9"
    & skf18("1","3","8","10","6","9","1") = "9"
    & skf18("1","3","8","10","6","10","1") = "9"
    & skf18("1","3","8","10","7","1","1") = "9"
    & skf18("1","3","8","10","7","2","1") = "9"
    & skf18("1","3","8","10","7","3","1") = "9"
    & skf18("1","3","8","10","7","4","1") = "9"
    & skf18("1","3","8","10","7","5","1") = "9"
    & skf18("1","3","8","10","7","6","1") = "9"
    & skf18("1","3","8","10","7","7","1") = "9"
    & skf18("1","3","8","10","7","8","1") = "9"
    & skf18("1","3","8","10","7","9","1") = "9"
    & skf18("1","3","8","10","7","10","1") = "9"
    & skf18("1","3","8","10","8","1","1") = "9"
    & skf18("1","3","8","10","8","2","1") = "9"
    & skf18("1","3","8","10","8","3","1") = "9"
    & skf18("1","3","8","10","8","4","1") = "9"
    & skf18("1","3","8","10","8","5","1") = "9"
    & skf18("1","3","8","10","8","6","1") = "9"
    & skf18("1","3","8","10","8","7","1") = "9"
    & skf18("1","3","8","10","8","8","1") = "9"
    & skf18("1","3","8","10","8","9","1") = "9"
    & skf18("1","3","8","10","8","10","1") = "9"
    & skf18("1","3","8","10","9","1","1") = "9"
    & skf18("1","3","8","10","9","2","1") = "9"
    & skf18("1","3","8","10","9","3","1") = "9"
    & skf18("1","3","8","10","9","4","1") = "9"
    & skf18("1","3","8","10","9","5","1") = "9"
    & skf18("1","3","8","10","9","6","1") = "9"
    & skf18("1","3","8","10","9","7","1") = "9"
    & skf18("1","3","8","10","9","8","1") = "9"
    & skf18("1","3","8","10","9","9","1") = "9"
    & skf18("1","3","8","10","9","10","1") = "9"
    & skf18("1","3","8","10","10","1","1") = "9"
    & skf18("1","3","8","10","10","2","1") = "9"
    & skf18("1","3","8","10","10","3","1") = "9"
    & skf18("1","3","8","10","10","4","1") = "9"
    & skf18("1","3","8","10","10","5","1") = "9"
    & skf18("1","3","8","10","10","6","1") = "9"
    & skf18("1","3","8","10","10","7","1") = "9"
    & skf18("1","3","8","10","10","8","1") = "9"
    & skf18("1","3","8","10","10","9","1") = "9"
    & skf18("1","3","8","10","10","10","1") = "9"
    & skf18("1","3","9","1","1","1","1") = "8"
    & skf18("1","3","9","1","1","2","1") = "8"
    & skf18("1","3","9","1","1","3","1") = "8"
    & skf18("1","3","9","1","1","4","1") = "8"
    & skf18("1","3","9","1","1","5","1") = "8"
    & skf18("1","3","9","1","1","6","1") = "8"
    & skf18("1","3","9","1","1","7","1") = "8"
    & skf18("1","3","9","1","1","8","1") = "8"
    & skf18("1","3","9","1","1","9","1") = "8"
    & skf18("1","3","9","1","1","10","1") = "9"
    & skf18("1","3","9","1","2","1","1") = "8"
    & skf18("1","3","9","1","2","2","1") = "8"
    & skf18("1","3","9","1","2","3","1") = "8"
    & skf18("1","3","9","1","2","4","1") = "8"
    & skf18("1","3","9","1","2","5","1") = "8"
    & skf18("1","3","9","1","2","6","1") = "8"
    & skf18("1","3","9","1","2","7","1") = "8"
    & skf18("1","3","9","1","2","8","1") = "8"
    & skf18("1","3","9","1","2","9","1") = "8"
    & skf18("1","3","9","1","2","10","1") = "9"
    & skf18("1","3","9","1","3","1","1") = "8"
    & skf18("1","3","9","1","3","2","1") = "8"
    & skf18("1","3","9","1","3","3","1") = "8"
    & skf18("1","3","9","1","3","4","1") = "8"
    & skf18("1","3","9","1","3","5","1") = "8"
    & skf18("1","3","9","1","3","6","1") = "8"
    & skf18("1","3","9","1","3","7","1") = "8"
    & skf18("1","3","9","1","3","8","1") = "8"
    & skf18("1","3","9","1","3","9","1") = "8"
    & skf18("1","3","9","1","3","10","1") = "9"
    & skf18("1","3","9","1","4","1","1") = "8"
    & skf18("1","3","9","1","4","2","1") = "8"
    & skf18("1","3","9","1","4","3","1") = "8"
    & skf18("1","3","9","1","4","4","1") = "8"
    & skf18("1","3","9","1","4","5","1") = "8"
    & skf18("1","3","9","1","4","6","1") = "8"
    & skf18("1","3","9","1","4","7","1") = "8"
    & skf18("1","3","9","1","4","8","1") = "8"
    & skf18("1","3","9","1","4","9","1") = "8"
    & skf18("1","3","9","1","4","10","1") = "9"
    & skf18("1","3","9","1","5","1","1") = "8"
    & skf18("1","3","9","1","5","2","1") = "8"
    & skf18("1","3","9","1","5","3","1") = "8"
    & skf18("1","3","9","1","5","4","1") = "8"
    & skf18("1","3","9","1","5","5","1") = "8"
    & skf18("1","3","9","1","5","6","1") = "8"
    & skf18("1","3","9","1","5","7","1") = "8"
    & skf18("1","3","9","1","5","8","1") = "8"
    & skf18("1","3","9","1","5","9","1") = "8"
    & skf18("1","3","9","1","5","10","1") = "9"
    & skf18("1","3","9","1","6","1","1") = "8"
    & skf18("1","3","9","1","6","2","1") = "8"
    & skf18("1","3","9","1","6","3","1") = "8"
    & skf18("1","3","9","1","6","4","1") = "8"
    & skf18("1","3","9","1","6","5","1") = "8"
    & skf18("1","3","9","1","6","6","1") = "8"
    & skf18("1","3","9","1","6","7","1") = "8"
    & skf18("1","3","9","1","6","8","1") = "8"
    & skf18("1","3","9","1","6","9","1") = "8"
    & skf18("1","3","9","1","6","10","1") = "9"
    & skf18("1","3","9","1","7","1","1") = "8"
    & skf18("1","3","9","1","7","2","1") = "8"
    & skf18("1","3","9","1","7","3","1") = "8"
    & skf18("1","3","9","1","7","4","1") = "8"
    & skf18("1","3","9","1","7","5","1") = "8"
    & skf18("1","3","9","1","7","6","1") = "8"
    & skf18("1","3","9","1","7","7","1") = "8"
    & skf18("1","3","9","1","7","8","1") = "8"
    & skf18("1","3","9","1","7","9","1") = "8"
    & skf18("1","3","9","1","7","10","1") = "9"
    & skf18("1","3","9","1","8","1","1") = "8"
    & skf18("1","3","9","1","8","2","1") = "8"
    & skf18("1","3","9","1","8","3","1") = "8"
    & skf18("1","3","9","1","8","4","1") = "8"
    & skf18("1","3","9","1","8","5","1") = "8"
    & skf18("1","3","9","1","8","6","1") = "8"
    & skf18("1","3","9","1","8","7","1") = "8"
    & skf18("1","3","9","1","8","8","1") = "8"
    & skf18("1","3","9","1","8","9","1") = "8"
    & skf18("1","3","9","1","8","10","1") = "9"
    & skf18("1","3","9","1","9","1","1") = "8"
    & skf18("1","3","9","1","9","2","1") = "8"
    & skf18("1","3","9","1","9","3","1") = "8"
    & skf18("1","3","9","1","9","4","1") = "8"
    & skf18("1","3","9","1","9","5","1") = "8"
    & skf18("1","3","9","1","9","6","1") = "8"
    & skf18("1","3","9","1","9","7","1") = "8"
    & skf18("1","3","9","1","9","8","1") = "8"
    & skf18("1","3","9","1","9","9","1") = "8"
    & skf18("1","3","9","1","9","10","1") = "9"
    & skf18("1","3","9","1","10","1","1") = "9"
    & skf18("1","3","9","1","10","2","1") = "9"
    & skf18("1","3","9","1","10","3","1") = "9"
    & skf18("1","3","9","1","10","4","1") = "9"
    & skf18("1","3","9","1","10","5","1") = "9"
    & skf18("1","3","9","1","10","6","1") = "9"
    & skf18("1","3","9","1","10","7","1") = "9"
    & skf18("1","3","9","1","10","8","1") = "9"
    & skf18("1","3","9","1","10","9","1") = "9"
    & skf18("1","3","9","1","10","10","1") = "9"
    & skf18("1","3","9","2","1","1","1") = "8"
    & skf18("1","3","9","2","1","2","1") = "8"
    & skf18("1","3","9","2","1","3","1") = "8"
    & skf18("1","3","9","2","1","4","1") = "8"
    & skf18("1","3","9","2","1","5","1") = "8"
    & skf18("1","3","9","2","1","6","1") = "8"
    & skf18("1","3","9","2","1","7","1") = "8"
    & skf18("1","3","9","2","1","8","1") = "8"
    & skf18("1","3","9","2","1","9","1") = "8"
    & skf18("1","3","9","2","1","10","1") = "9"
    & skf18("1","3","9","2","2","1","1") = "8"
    & skf18("1","3","9","2","2","2","1") = "8"
    & skf18("1","3","9","2","2","3","1") = "8"
    & skf18("1","3","9","2","2","4","1") = "8"
    & skf18("1","3","9","2","2","5","1") = "8"
    & skf18("1","3","9","2","2","6","1") = "8"
    & skf18("1","3","9","2","2","7","1") = "8"
    & skf18("1","3","9","2","2","8","1") = "8"
    & skf18("1","3","9","2","2","9","1") = "8"
    & skf18("1","3","9","2","2","10","1") = "9"
    & skf18("1","3","9","2","3","1","1") = "8"
    & skf18("1","3","9","2","3","2","1") = "8"
    & skf18("1","3","9","2","3","3","1") = "8"
    & skf18("1","3","9","2","3","4","1") = "8"
    & skf18("1","3","9","2","3","5","1") = "8"
    & skf18("1","3","9","2","3","6","1") = "8"
    & skf18("1","3","9","2","3","7","1") = "8"
    & skf18("1","3","9","2","3","8","1") = "8"
    & skf18("1","3","9","2","3","9","1") = "8"
    & skf18("1","3","9","2","3","10","1") = "9"
    & skf18("1","3","9","2","4","1","1") = "8"
    & skf18("1","3","9","2","4","2","1") = "8"
    & skf18("1","3","9","2","4","3","1") = "8"
    & skf18("1","3","9","2","4","4","1") = "8"
    & skf18("1","3","9","2","4","5","1") = "8"
    & skf18("1","3","9","2","4","6","1") = "8"
    & skf18("1","3","9","2","4","7","1") = "8"
    & skf18("1","3","9","2","4","8","1") = "8"
    & skf18("1","3","9","2","4","9","1") = "8"
    & skf18("1","3","9","2","4","10","1") = "9"
    & skf18("1","3","9","2","5","1","1") = "8"
    & skf18("1","3","9","2","5","2","1") = "8"
    & skf18("1","3","9","2","5","3","1") = "8"
    & skf18("1","3","9","2","5","4","1") = "8"
    & skf18("1","3","9","2","5","5","1") = "8"
    & skf18("1","3","9","2","5","6","1") = "8"
    & skf18("1","3","9","2","5","7","1") = "8"
    & skf18("1","3","9","2","5","8","1") = "8"
    & skf18("1","3","9","2","5","9","1") = "8"
    & skf18("1","3","9","2","5","10","1") = "9"
    & skf18("1","3","9","2","6","1","1") = "8"
    & skf18("1","3","9","2","6","2","1") = "8"
    & skf18("1","3","9","2","6","3","1") = "8"
    & skf18("1","3","9","2","6","4","1") = "8"
    & skf18("1","3","9","2","6","5","1") = "8"
    & skf18("1","3","9","2","6","6","1") = "8"
    & skf18("1","3","9","2","6","7","1") = "8"
    & skf18("1","3","9","2","6","8","1") = "8"
    & skf18("1","3","9","2","6","9","1") = "8"
    & skf18("1","3","9","2","6","10","1") = "9"
    & skf18("1","3","9","2","7","1","1") = "8"
    & skf18("1","3","9","2","7","2","1") = "8"
    & skf18("1","3","9","2","7","3","1") = "8"
    & skf18("1","3","9","2","7","4","1") = "8"
    & skf18("1","3","9","2","7","5","1") = "8"
    & skf18("1","3","9","2","7","6","1") = "8"
    & skf18("1","3","9","2","7","7","1") = "8"
    & skf18("1","3","9","2","7","8","1") = "8"
    & skf18("1","3","9","2","7","9","1") = "8"
    & skf18("1","3","9","2","7","10","1") = "9"
    & skf18("1","3","9","2","8","1","1") = "8"
    & skf18("1","3","9","2","8","2","1") = "8"
    & skf18("1","3","9","2","8","3","1") = "8"
    & skf18("1","3","9","2","8","4","1") = "8"
    & skf18("1","3","9","2","8","5","1") = "8"
    & skf18("1","3","9","2","8","6","1") = "8"
    & skf18("1","3","9","2","8","7","1") = "8"
    & skf18("1","3","9","2","8","8","1") = "8"
    & skf18("1","3","9","2","8","9","1") = "8"
    & skf18("1","3","9","2","8","10","1") = "9"
    & skf18("1","3","9","2","9","1","1") = "8"
    & skf18("1","3","9","2","9","2","1") = "8"
    & skf18("1","3","9","2","9","3","1") = "8"
    & skf18("1","3","9","2","9","4","1") = "8"
    & skf18("1","3","9","2","9","5","1") = "8"
    & skf18("1","3","9","2","9","6","1") = "8"
    & skf18("1","3","9","2","9","7","1") = "8"
    & skf18("1","3","9","2","9","8","1") = "8"
    & skf18("1","3","9","2","9","9","1") = "8"
    & skf18("1","3","9","2","9","10","1") = "9"
    & skf18("1","3","9","2","10","1","1") = "9"
    & skf18("1","3","9","2","10","2","1") = "9"
    & skf18("1","3","9","2","10","3","1") = "9"
    & skf18("1","3","9","2","10","4","1") = "9"
    & skf18("1","3","9","2","10","5","1") = "9"
    & skf18("1","3","9","2","10","6","1") = "9"
    & skf18("1","3","9","2","10","7","1") = "9"
    & skf18("1","3","9","2","10","8","1") = "9"
    & skf18("1","3","9","2","10","9","1") = "9"
    & skf18("1","3","9","2","10","10","1") = "9"
    & skf18("1","3","9","3","1","1","1") = "8"
    & skf18("1","3","9","3","1","2","1") = "8"
    & skf18("1","3","9","3","1","3","1") = "8"
    & skf18("1","3","9","3","1","4","1") = "8"
    & skf18("1","3","9","3","1","5","1") = "8"
    & skf18("1","3","9","3","1","6","1") = "8"
    & skf18("1","3","9","3","1","7","1") = "8"
    & skf18("1","3","9","3","1","8","1") = "8"
    & skf18("1","3","9","3","1","9","1") = "8"
    & skf18("1","3","9","3","1","10","1") = "9"
    & skf18("1","3","9","3","2","1","1") = "8"
    & skf18("1","3","9","3","2","2","1") = "8"
    & skf18("1","3","9","3","2","3","1") = "8"
    & skf18("1","3","9","3","2","4","1") = "8"
    & skf18("1","3","9","3","2","5","1") = "8"
    & skf18("1","3","9","3","2","6","1") = "8"
    & skf18("1","3","9","3","2","7","1") = "8"
    & skf18("1","3","9","3","2","8","1") = "8"
    & skf18("1","3","9","3","2","9","1") = "8"
    & skf18("1","3","9","3","2","10","1") = "9"
    & skf18("1","3","9","3","3","1","1") = "8"
    & skf18("1","3","9","3","3","2","1") = "8"
    & skf18("1","3","9","3","3","3","1") = "8"
    & skf18("1","3","9","3","3","4","1") = "8"
    & skf18("1","3","9","3","3","5","1") = "8"
    & skf18("1","3","9","3","3","6","1") = "8"
    & skf18("1","3","9","3","3","7","1") = "8"
    & skf18("1","3","9","3","3","8","1") = "8"
    & skf18("1","3","9","3","3","9","1") = "8"
    & skf18("1","3","9","3","3","10","1") = "9"
    & skf18("1","3","9","3","4","1","1") = "8"
    & skf18("1","3","9","3","4","2","1") = "8"
    & skf18("1","3","9","3","4","3","1") = "8"
    & skf18("1","3","9","3","4","4","1") = "8"
    & skf18("1","3","9","3","4","5","1") = "8"
    & skf18("1","3","9","3","4","6","1") = "8"
    & skf18("1","3","9","3","4","7","1") = "8"
    & skf18("1","3","9","3","4","8","1") = "8"
    & skf18("1","3","9","3","4","9","1") = "8"
    & skf18("1","3","9","3","4","10","1") = "9"
    & skf18("1","3","9","3","5","1","1") = "8"
    & skf18("1","3","9","3","5","2","1") = "8"
    & skf18("1","3","9","3","5","3","1") = "8"
    & skf18("1","3","9","3","5","4","1") = "8"
    & skf18("1","3","9","3","5","5","1") = "8"
    & skf18("1","3","9","3","5","6","1") = "8"
    & skf18("1","3","9","3","5","7","1") = "8"
    & skf18("1","3","9","3","5","8","1") = "8"
    & skf18("1","3","9","3","5","9","1") = "8"
    & skf18("1","3","9","3","5","10","1") = "9"
    & skf18("1","3","9","3","6","1","1") = "8"
    & skf18("1","3","9","3","6","2","1") = "8"
    & skf18("1","3","9","3","6","3","1") = "8"
    & skf18("1","3","9","3","6","4","1") = "8"
    & skf18("1","3","9","3","6","5","1") = "8"
    & skf18("1","3","9","3","6","6","1") = "8"
    & skf18("1","3","9","3","6","7","1") = "8"
    & skf18("1","3","9","3","6","8","1") = "8"
    & skf18("1","3","9","3","6","9","1") = "8"
    & skf18("1","3","9","3","6","10","1") = "9"
    & skf18("1","3","9","3","7","1","1") = "8"
    & skf18("1","3","9","3","7","2","1") = "8"
    & skf18("1","3","9","3","7","3","1") = "8"
    & skf18("1","3","9","3","7","4","1") = "8"
    & skf18("1","3","9","3","7","5","1") = "8"
    & skf18("1","3","9","3","7","6","1") = "8"
    & skf18("1","3","9","3","7","7","1") = "8"
    & skf18("1","3","9","3","7","8","1") = "8"
    & skf18("1","3","9","3","7","9","1") = "8"
    & skf18("1","3","9","3","7","10","1") = "9"
    & skf18("1","3","9","3","8","1","1") = "8"
    & skf18("1","3","9","3","8","2","1") = "8"
    & skf18("1","3","9","3","8","3","1") = "8"
    & skf18("1","3","9","3","8","4","1") = "8"
    & skf18("1","3","9","3","8","5","1") = "8"
    & skf18("1","3","9","3","8","6","1") = "8"
    & skf18("1","3","9","3","8","7","1") = "8"
    & skf18("1","3","9","3","8","8","1") = "8"
    & skf18("1","3","9","3","8","9","1") = "8"
    & skf18("1","3","9","3","8","10","1") = "9"
    & skf18("1","3","9","3","9","1","1") = "8"
    & skf18("1","3","9","3","9","2","1") = "8"
    & skf18("1","3","9","3","9","3","1") = "8"
    & skf18("1","3","9","3","9","4","1") = "8"
    & skf18("1","3","9","3","9","5","1") = "8"
    & skf18("1","3","9","3","9","6","1") = "8"
    & skf18("1","3","9","3","9","7","1") = "8"
    & skf18("1","3","9","3","9","8","1") = "8"
    & skf18("1","3","9","3","9","9","1") = "8"
    & skf18("1","3","9","3","9","10","1") = "9"
    & skf18("1","3","9","3","10","1","1") = "9"
    & skf18("1","3","9","3","10","2","1") = "9"
    & skf18("1","3","9","3","10","3","1") = "9"
    & skf18("1","3","9","3","10","4","1") = "9"
    & skf18("1","3","9","3","10","5","1") = "9"
    & skf18("1","3","9","3","10","6","1") = "9"
    & skf18("1","3","9","3","10","7","1") = "9"
    & skf18("1","3","9","3","10","8","1") = "9"
    & skf18("1","3","9","3","10","9","1") = "9"
    & skf18("1","3","9","3","10","10","1") = "9"
    & skf18("1","3","9","4","1","1","1") = "8"
    & skf18("1","3","9","4","1","2","1") = "8"
    & skf18("1","3","9","4","1","3","1") = "8"
    & skf18("1","3","9","4","1","4","1") = "8"
    & skf18("1","3","9","4","1","5","1") = "8"
    & skf18("1","3","9","4","1","6","1") = "8"
    & skf18("1","3","9","4","1","7","1") = "8"
    & skf18("1","3","9","4","1","8","1") = "8"
    & skf18("1","3","9","4","1","9","1") = "8"
    & skf18("1","3","9","4","1","10","1") = "9"
    & skf18("1","3","9","4","2","1","1") = "8"
    & skf18("1","3","9","4","2","2","1") = "8"
    & skf18("1","3","9","4","2","3","1") = "8"
    & skf18("1","3","9","4","2","4","1") = "8"
    & skf18("1","3","9","4","2","5","1") = "8"
    & skf18("1","3","9","4","2","6","1") = "8"
    & skf18("1","3","9","4","2","7","1") = "8"
    & skf18("1","3","9","4","2","8","1") = "8"
    & skf18("1","3","9","4","2","9","1") = "8"
    & skf18("1","3","9","4","2","10","1") = "9"
    & skf18("1","3","9","4","3","1","1") = "8"
    & skf18("1","3","9","4","3","2","1") = "8"
    & skf18("1","3","9","4","3","3","1") = "8"
    & skf18("1","3","9","4","3","4","1") = "8"
    & skf18("1","3","9","4","3","5","1") = "8"
    & skf18("1","3","9","4","3","6","1") = "8"
    & skf18("1","3","9","4","3","7","1") = "8"
    & skf18("1","3","9","4","3","8","1") = "8"
    & skf18("1","3","9","4","3","9","1") = "8"
    & skf18("1","3","9","4","3","10","1") = "9"
    & skf18("1","3","9","4","4","1","1") = "8"
    & skf18("1","3","9","4","4","2","1") = "8"
    & skf18("1","3","9","4","4","3","1") = "8"
    & skf18("1","3","9","4","4","4","1") = "8"
    & skf18("1","3","9","4","4","5","1") = "8"
    & skf18("1","3","9","4","4","6","1") = "8"
    & skf18("1","3","9","4","4","7","1") = "8"
    & skf18("1","3","9","4","4","8","1") = "8"
    & skf18("1","3","9","4","4","9","1") = "8"
    & skf18("1","3","9","4","4","10","1") = "9"
    & skf18("1","3","9","4","5","1","1") = "8"
    & skf18("1","3","9","4","5","2","1") = "8"
    & skf18("1","3","9","4","5","3","1") = "8"
    & skf18("1","3","9","4","5","4","1") = "8"
    & skf18("1","3","9","4","5","5","1") = "8"
    & skf18("1","3","9","4","5","6","1") = "8"
    & skf18("1","3","9","4","5","7","1") = "8"
    & skf18("1","3","9","4","5","8","1") = "8"
    & skf18("1","3","9","4","5","9","1") = "8"
    & skf18("1","3","9","4","5","10","1") = "9"
    & skf18("1","3","9","4","6","1","1") = "8"
    & skf18("1","3","9","4","6","2","1") = "8"
    & skf18("1","3","9","4","6","3","1") = "8"
    & skf18("1","3","9","4","6","4","1") = "8"
    & skf18("1","3","9","4","6","5","1") = "8"
    & skf18("1","3","9","4","6","6","1") = "8"
    & skf18("1","3","9","4","6","7","1") = "8"
    & skf18("1","3","9","4","6","8","1") = "8"
    & skf18("1","3","9","4","6","9","1") = "8"
    & skf18("1","3","9","4","6","10","1") = "9"
    & skf18("1","3","9","4","7","1","1") = "8"
    & skf18("1","3","9","4","7","2","1") = "8"
    & skf18("1","3","9","4","7","3","1") = "8"
    & skf18("1","3","9","4","7","4","1") = "8"
    & skf18("1","3","9","4","7","5","1") = "8"
    & skf18("1","3","9","4","7","6","1") = "8"
    & skf18("1","3","9","4","7","7","1") = "8"
    & skf18("1","3","9","4","7","8","1") = "8"
    & skf18("1","3","9","4","7","9","1") = "8"
    & skf18("1","3","9","4","7","10","1") = "9"
    & skf18("1","3","9","4","8","1","1") = "8"
    & skf18("1","3","9","4","8","2","1") = "8"
    & skf18("1","3","9","4","8","3","1") = "8"
    & skf18("1","3","9","4","8","4","1") = "8"
    & skf18("1","3","9","4","8","5","1") = "8"
    & skf18("1","3","9","4","8","6","1") = "8"
    & skf18("1","3","9","4","8","7","1") = "8"
    & skf18("1","3","9","4","8","8","1") = "8"
    & skf18("1","3","9","4","8","9","1") = "8"
    & skf18("1","3","9","4","8","10","1") = "9"
    & skf18("1","3","9","4","9","1","1") = "8"
    & skf18("1","3","9","4","9","2","1") = "8"
    & skf18("1","3","9","4","9","3","1") = "8"
    & skf18("1","3","9","4","9","4","1") = "8"
    & skf18("1","3","9","4","9","5","1") = "8"
    & skf18("1","3","9","4","9","6","1") = "8"
    & skf18("1","3","9","4","9","7","1") = "8"
    & skf18("1","3","9","4","9","8","1") = "8"
    & skf18("1","3","9","4","9","9","1") = "8"
    & skf18("1","3","9","4","9","10","1") = "9"
    & skf18("1","3","9","4","10","1","1") = "9"
    & skf18("1","3","9","4","10","2","1") = "9"
    & skf18("1","3","9","4","10","3","1") = "9"
    & skf18("1","3","9","4","10","4","1") = "9"
    & skf18("1","3","9","4","10","5","1") = "9"
    & skf18("1","3","9","4","10","6","1") = "9"
    & skf18("1","3","9","4","10","7","1") = "9"
    & skf18("1","3","9","4","10","8","1") = "9"
    & skf18("1","3","9","4","10","9","1") = "9"
    & skf18("1","3","9","4","10","10","1") = "9"
    & skf18("1","3","9","5","1","1","1") = "8"
    & skf18("1","3","9","5","1","2","1") = "8"
    & skf18("1","3","9","5","1","3","1") = "8"
    & skf18("1","3","9","5","1","4","1") = "8"
    & skf18("1","3","9","5","1","5","1") = "8"
    & skf18("1","3","9","5","1","6","1") = "8"
    & skf18("1","3","9","5","1","7","1") = "8"
    & skf18("1","3","9","5","1","8","1") = "8"
    & skf18("1","3","9","5","1","9","1") = "8"
    & skf18("1","3","9","5","1","10","1") = "9"
    & skf18("1","3","9","5","2","1","1") = "8"
    & skf18("1","3","9","5","2","2","1") = "8"
    & skf18("1","3","9","5","2","3","1") = "8"
    & skf18("1","3","9","5","2","4","1") = "8"
    & skf18("1","3","9","5","2","5","1") = "8"
    & skf18("1","3","9","5","2","6","1") = "8"
    & skf18("1","3","9","5","2","7","1") = "8"
    & skf18("1","3","9","5","2","8","1") = "8"
    & skf18("1","3","9","5","2","9","1") = "8"
    & skf18("1","3","9","5","2","10","1") = "9"
    & skf18("1","3","9","5","3","1","1") = "8"
    & skf18("1","3","9","5","3","2","1") = "8"
    & skf18("1","3","9","5","3","3","1") = "8"
    & skf18("1","3","9","5","3","4","1") = "8"
    & skf18("1","3","9","5","3","5","1") = "8"
    & skf18("1","3","9","5","3","6","1") = "8"
    & skf18("1","3","9","5","3","7","1") = "8"
    & skf18("1","3","9","5","3","8","1") = "8"
    & skf18("1","3","9","5","3","9","1") = "8"
    & skf18("1","3","9","5","3","10","1") = "9"
    & skf18("1","3","9","5","4","1","1") = "8"
    & skf18("1","3","9","5","4","2","1") = "8"
    & skf18("1","3","9","5","4","3","1") = "8"
    & skf18("1","3","9","5","4","4","1") = "8"
    & skf18("1","3","9","5","4","5","1") = "8"
    & skf18("1","3","9","5","4","6","1") = "8"
    & skf18("1","3","9","5","4","7","1") = "8"
    & skf18("1","3","9","5","4","8","1") = "8"
    & skf18("1","3","9","5","4","9","1") = "8"
    & skf18("1","3","9","5","4","10","1") = "9"
    & skf18("1","3","9","5","5","1","1") = "8"
    & skf18("1","3","9","5","5","2","1") = "8"
    & skf18("1","3","9","5","5","3","1") = "8"
    & skf18("1","3","9","5","5","4","1") = "8"
    & skf18("1","3","9","5","5","5","1") = "8"
    & skf18("1","3","9","5","5","6","1") = "8"
    & skf18("1","3","9","5","5","7","1") = "8"
    & skf18("1","3","9","5","5","8","1") = "8"
    & skf18("1","3","9","5","5","9","1") = "8"
    & skf18("1","3","9","5","5","10","1") = "9"
    & skf18("1","3","9","5","6","1","1") = "8"
    & skf18("1","3","9","5","6","2","1") = "8"
    & skf18("1","3","9","5","6","3","1") = "8"
    & skf18("1","3","9","5","6","4","1") = "8"
    & skf18("1","3","9","5","6","5","1") = "8"
    & skf18("1","3","9","5","6","6","1") = "8"
    & skf18("1","3","9","5","6","7","1") = "8"
    & skf18("1","3","9","5","6","8","1") = "8"
    & skf18("1","3","9","5","6","9","1") = "8"
    & skf18("1","3","9","5","6","10","1") = "9"
    & skf18("1","3","9","5","7","1","1") = "8"
    & skf18("1","3","9","5","7","2","1") = "8"
    & skf18("1","3","9","5","7","3","1") = "8"
    & skf18("1","3","9","5","7","4","1") = "8"
    & skf18("1","3","9","5","7","5","1") = "8"
    & skf18("1","3","9","5","7","6","1") = "8"
    & skf18("1","3","9","5","7","7","1") = "8"
    & skf18("1","3","9","5","7","8","1") = "8"
    & skf18("1","3","9","5","7","9","1") = "8"
    & skf18("1","3","9","5","7","10","1") = "9"
    & skf18("1","3","9","5","8","1","1") = "8"
    & skf18("1","3","9","5","8","2","1") = "8"
    & skf18("1","3","9","5","8","3","1") = "8"
    & skf18("1","3","9","5","8","4","1") = "8"
    & skf18("1","3","9","5","8","5","1") = "8"
    & skf18("1","3","9","5","8","6","1") = "8"
    & skf18("1","3","9","5","8","7","1") = "8"
    & skf18("1","3","9","5","8","8","1") = "8"
    & skf18("1","3","9","5","8","9","1") = "8"
    & skf18("1","3","9","5","8","10","1") = "9"
    & skf18("1","3","9","5","9","1","1") = "8"
    & skf18("1","3","9","5","9","2","1") = "8"
    & skf18("1","3","9","5","9","3","1") = "8"
    & skf18("1","3","9","5","9","4","1") = "8"
    & skf18("1","3","9","5","9","5","1") = "8"
    & skf18("1","3","9","5","9","6","1") = "8"
    & skf18("1","3","9","5","9","7","1") = "8"
    & skf18("1","3","9","5","9","8","1") = "8"
    & skf18("1","3","9","5","9","9","1") = "8"
    & skf18("1","3","9","5","9","10","1") = "9"
    & skf18("1","3","9","5","10","1","1") = "9"
    & skf18("1","3","9","5","10","2","1") = "9"
    & skf18("1","3","9","5","10","3","1") = "9"
    & skf18("1","3","9","5","10","4","1") = "9"
    & skf18("1","3","9","5","10","5","1") = "9"
    & skf18("1","3","9","5","10","6","1") = "9"
    & skf18("1","3","9","5","10","7","1") = "9"
    & skf18("1","3","9","5","10","8","1") = "9"
    & skf18("1","3","9","5","10","9","1") = "9"
    & skf18("1","3","9","5","10","10","1") = "9"
    & skf18("1","3","9","6","1","1","1") = "8"
    & skf18("1","3","9","6","1","2","1") = "8"
    & skf18("1","3","9","6","1","3","1") = "8"
    & skf18("1","3","9","6","1","4","1") = "8"
    & skf18("1","3","9","6","1","5","1") = "8"
    & skf18("1","3","9","6","1","6","1") = "8"
    & skf18("1","3","9","6","1","7","1") = "8"
    & skf18("1","3","9","6","1","8","1") = "8"
    & skf18("1","3","9","6","1","9","1") = "8"
    & skf18("1","3","9","6","1","10","1") = "9"
    & skf18("1","3","9","6","2","1","1") = "8"
    & skf18("1","3","9","6","2","2","1") = "8"
    & skf18("1","3","9","6","2","3","1") = "8"
    & skf18("1","3","9","6","2","4","1") = "8"
    & skf18("1","3","9","6","2","5","1") = "8"
    & skf18("1","3","9","6","2","6","1") = "8"
    & skf18("1","3","9","6","2","7","1") = "8"
    & skf18("1","3","9","6","2","8","1") = "8"
    & skf18("1","3","9","6","2","9","1") = "8"
    & skf18("1","3","9","6","2","10","1") = "9"
    & skf18("1","3","9","6","3","1","1") = "8"
    & skf18("1","3","9","6","3","2","1") = "8"
    & skf18("1","3","9","6","3","3","1") = "8"
    & skf18("1","3","9","6","3","4","1") = "8"
    & skf18("1","3","9","6","3","5","1") = "8"
    & skf18("1","3","9","6","3","6","1") = "8"
    & skf18("1","3","9","6","3","7","1") = "8"
    & skf18("1","3","9","6","3","8","1") = "8"
    & skf18("1","3","9","6","3","9","1") = "8"
    & skf18("1","3","9","6","3","10","1") = "9"
    & skf18("1","3","9","6","4","1","1") = "8"
    & skf18("1","3","9","6","4","2","1") = "8"
    & skf18("1","3","9","6","4","3","1") = "8"
    & skf18("1","3","9","6","4","4","1") = "8"
    & skf18("1","3","9","6","4","5","1") = "8"
    & skf18("1","3","9","6","4","6","1") = "8"
    & skf18("1","3","9","6","4","7","1") = "8"
    & skf18("1","3","9","6","4","8","1") = "8"
    & skf18("1","3","9","6","4","9","1") = "8"
    & skf18("1","3","9","6","4","10","1") = "9"
    & skf18("1","3","9","6","5","1","1") = "8"
    & skf18("1","3","9","6","5","2","1") = "8"
    & skf18("1","3","9","6","5","3","1") = "8"
    & skf18("1","3","9","6","5","4","1") = "8"
    & skf18("1","3","9","6","5","5","1") = "8"
    & skf18("1","3","9","6","5","6","1") = "8"
    & skf18("1","3","9","6","5","7","1") = "8"
    & skf18("1","3","9","6","5","8","1") = "8"
    & skf18("1","3","9","6","5","9","1") = "8"
    & skf18("1","3","9","6","5","10","1") = "9"
    & skf18("1","3","9","6","6","1","1") = "8"
    & skf18("1","3","9","6","6","2","1") = "8"
    & skf18("1","3","9","6","6","3","1") = "8"
    & skf18("1","3","9","6","6","4","1") = "8"
    & skf18("1","3","9","6","6","5","1") = "8"
    & skf18("1","3","9","6","6","6","1") = "8"
    & skf18("1","3","9","6","6","7","1") = "8"
    & skf18("1","3","9","6","6","8","1") = "8"
    & skf18("1","3","9","6","6","9","1") = "8"
    & skf18("1","3","9","6","6","10","1") = "9"
    & skf18("1","3","9","6","7","1","1") = "8"
    & skf18("1","3","9","6","7","2","1") = "8"
    & skf18("1","3","9","6","7","3","1") = "8"
    & skf18("1","3","9","6","7","4","1") = "8"
    & skf18("1","3","9","6","7","5","1") = "8"
    & skf18("1","3","9","6","7","6","1") = "8"
    & skf18("1","3","9","6","7","7","1") = "8"
    & skf18("1","3","9","6","7","8","1") = "8"
    & skf18("1","3","9","6","7","9","1") = "8"
    & skf18("1","3","9","6","7","10","1") = "9"
    & skf18("1","3","9","6","8","1","1") = "8"
    & skf18("1","3","9","6","8","2","1") = "8"
    & skf18("1","3","9","6","8","3","1") = "8"
    & skf18("1","3","9","6","8","4","1") = "8"
    & skf18("1","3","9","6","8","5","1") = "8"
    & skf18("1","3","9","6","8","6","1") = "8"
    & skf18("1","3","9","6","8","7","1") = "8"
    & skf18("1","3","9","6","8","8","1") = "8"
    & skf18("1","3","9","6","8","9","1") = "8"
    & skf18("1","3","9","6","8","10","1") = "9"
    & skf18("1","3","9","6","9","1","1") = "8"
    & skf18("1","3","9","6","9","2","1") = "8"
    & skf18("1","3","9","6","9","3","1") = "8"
    & skf18("1","3","9","6","9","4","1") = "8"
    & skf18("1","3","9","6","9","5","1") = "8"
    & skf18("1","3","9","6","9","6","1") = "8"
    & skf18("1","3","9","6","9","7","1") = "8"
    & skf18("1","3","9","6","9","8","1") = "8"
    & skf18("1","3","9","6","9","9","1") = "8"
    & skf18("1","3","9","6","9","10","1") = "9"
    & skf18("1","3","9","6","10","1","1") = "9"
    & skf18("1","3","9","6","10","2","1") = "9"
    & skf18("1","3","9","6","10","3","1") = "9"
    & skf18("1","3","9","6","10","4","1") = "9"
    & skf18("1","3","9","6","10","5","1") = "9"
    & skf18("1","3","9","6","10","6","1") = "9"
    & skf18("1","3","9","6","10","7","1") = "9"
    & skf18("1","3","9","6","10","8","1") = "9"
    & skf18("1","3","9","6","10","9","1") = "9"
    & skf18("1","3","9","6","10","10","1") = "9"
    & skf18("1","3","9","7","1","1","1") = "8"
    & skf18("1","3","9","7","1","2","1") = "8"
    & skf18("1","3","9","7","1","3","1") = "8"
    & skf18("1","3","9","7","1","4","1") = "8"
    & skf18("1","3","9","7","1","5","1") = "8"
    & skf18("1","3","9","7","1","6","1") = "8"
    & skf18("1","3","9","7","1","7","1") = "8"
    & skf18("1","3","9","7","1","8","1") = "8"
    & skf18("1","3","9","7","1","9","1") = "8"
    & skf18("1","3","9","7","1","10","1") = "9"
    & skf18("1","3","9","7","2","1","1") = "8"
    & skf18("1","3","9","7","2","2","1") = "8"
    & skf18("1","3","9","7","2","3","1") = "8"
    & skf18("1","3","9","7","2","4","1") = "8"
    & skf18("1","3","9","7","2","5","1") = "8"
    & skf18("1","3","9","7","2","6","1") = "8"
    & skf18("1","3","9","7","2","7","1") = "8"
    & skf18("1","3","9","7","2","8","1") = "8"
    & skf18("1","3","9","7","2","9","1") = "8"
    & skf18("1","3","9","7","2","10","1") = "9"
    & skf18("1","3","9","7","3","1","1") = "8"
    & skf18("1","3","9","7","3","2","1") = "8"
    & skf18("1","3","9","7","3","3","1") = "8"
    & skf18("1","3","9","7","3","4","1") = "8"
    & skf18("1","3","9","7","3","5","1") = "8"
    & skf18("1","3","9","7","3","6","1") = "8"
    & skf18("1","3","9","7","3","7","1") = "8"
    & skf18("1","3","9","7","3","8","1") = "8"
    & skf18("1","3","9","7","3","9","1") = "8"
    & skf18("1","3","9","7","3","10","1") = "9"
    & skf18("1","3","9","7","4","1","1") = "8"
    & skf18("1","3","9","7","4","2","1") = "8"
    & skf18("1","3","9","7","4","3","1") = "8"
    & skf18("1","3","9","7","4","4","1") = "8"
    & skf18("1","3","9","7","4","5","1") = "8"
    & skf18("1","3","9","7","4","6","1") = "8"
    & skf18("1","3","9","7","4","7","1") = "8"
    & skf18("1","3","9","7","4","8","1") = "8"
    & skf18("1","3","9","7","4","9","1") = "8"
    & skf18("1","3","9","7","4","10","1") = "9"
    & skf18("1","3","9","7","5","1","1") = "8"
    & skf18("1","3","9","7","5","2","1") = "8"
    & skf18("1","3","9","7","5","3","1") = "8"
    & skf18("1","3","9","7","5","4","1") = "8"
    & skf18("1","3","9","7","5","5","1") = "8"
    & skf18("1","3","9","7","5","6","1") = "8"
    & skf18("1","3","9","7","5","7","1") = "8"
    & skf18("1","3","9","7","5","8","1") = "8"
    & skf18("1","3","9","7","5","9","1") = "8"
    & skf18("1","3","9","7","5","10","1") = "9"
    & skf18("1","3","9","7","6","1","1") = "8"
    & skf18("1","3","9","7","6","2","1") = "8"
    & skf18("1","3","9","7","6","3","1") = "8"
    & skf18("1","3","9","7","6","4","1") = "8"
    & skf18("1","3","9","7","6","5","1") = "8"
    & skf18("1","3","9","7","6","6","1") = "8"
    & skf18("1","3","9","7","6","7","1") = "8"
    & skf18("1","3","9","7","6","8","1") = "8"
    & skf18("1","3","9","7","6","9","1") = "8"
    & skf18("1","3","9","7","6","10","1") = "9"
    & skf18("1","3","9","7","7","1","1") = "8"
    & skf18("1","3","9","7","7","2","1") = "8"
    & skf18("1","3","9","7","7","3","1") = "8"
    & skf18("1","3","9","7","7","4","1") = "8"
    & skf18("1","3","9","7","7","5","1") = "8"
    & skf18("1","3","9","7","7","6","1") = "8"
    & skf18("1","3","9","7","7","7","1") = "8"
    & skf18("1","3","9","7","7","8","1") = "8"
    & skf18("1","3","9","7","7","9","1") = "8"
    & skf18("1","3","9","7","7","10","1") = "9"
    & skf18("1","3","9","7","8","1","1") = "8"
    & skf18("1","3","9","7","8","2","1") = "8"
    & skf18("1","3","9","7","8","3","1") = "8"
    & skf18("1","3","9","7","8","4","1") = "8"
    & skf18("1","3","9","7","8","5","1") = "8"
    & skf18("1","3","9","7","8","6","1") = "8"
    & skf18("1","3","9","7","8","7","1") = "8"
    & skf18("1","3","9","7","8","8","1") = "8"
    & skf18("1","3","9","7","8","9","1") = "8"
    & skf18("1","3","9","7","8","10","1") = "9"
    & skf18("1","3","9","7","9","1","1") = "8"
    & skf18("1","3","9","7","9","2","1") = "8"
    & skf18("1","3","9","7","9","3","1") = "8"
    & skf18("1","3","9","7","9","4","1") = "8"
    & skf18("1","3","9","7","9","5","1") = "8"
    & skf18("1","3","9","7","9","6","1") = "8"
    & skf18("1","3","9","7","9","7","1") = "8"
    & skf18("1","3","9","7","9","8","1") = "8"
    & skf18("1","3","9","7","9","9","1") = "8"
    & skf18("1","3","9","7","9","10","1") = "9"
    & skf18("1","3","9","7","10","1","1") = "9"
    & skf18("1","3","9","7","10","2","1") = "9"
    & skf18("1","3","9","7","10","3","1") = "9"
    & skf18("1","3","9","7","10","4","1") = "9"
    & skf18("1","3","9","7","10","5","1") = "9"
    & skf18("1","3","9","7","10","6","1") = "9"
    & skf18("1","3","9","7","10","7","1") = "9"
    & skf18("1","3","9","7","10","8","1") = "9"
    & skf18("1","3","9","7","10","9","1") = "9"
    & skf18("1","3","9","7","10","10","1") = "9"
    & skf18("1","3","9","8","1","1","1") = "8"
    & skf18("1","3","9","8","1","2","1") = "8"
    & skf18("1","3","9","8","1","3","1") = "8"
    & skf18("1","3","9","8","1","4","1") = "8"
    & skf18("1","3","9","8","1","5","1") = "8"
    & skf18("1","3","9","8","1","6","1") = "8"
    & skf18("1","3","9","8","1","7","1") = "8"
    & skf18("1","3","9","8","1","8","1") = "8"
    & skf18("1","3","9","8","1","9","1") = "8"
    & skf18("1","3","9","8","1","10","1") = "9"
    & skf18("1","3","9","8","2","1","1") = "8"
    & skf18("1","3","9","8","2","2","1") = "8"
    & skf18("1","3","9","8","2","3","1") = "8"
    & skf18("1","3","9","8","2","4","1") = "8"
    & skf18("1","3","9","8","2","5","1") = "8"
    & skf18("1","3","9","8","2","6","1") = "8"
    & skf18("1","3","9","8","2","7","1") = "8"
    & skf18("1","3","9","8","2","8","1") = "8"
    & skf18("1","3","9","8","2","9","1") = "8"
    & skf18("1","3","9","8","2","10","1") = "9"
    & skf18("1","3","9","8","3","1","1") = "8"
    & skf18("1","3","9","8","3","2","1") = "8"
    & skf18("1","3","9","8","3","3","1") = "8"
    & skf18("1","3","9","8","3","4","1") = "8"
    & skf18("1","3","9","8","3","5","1") = "8"
    & skf18("1","3","9","8","3","6","1") = "8"
    & skf18("1","3","9","8","3","7","1") = "8"
    & skf18("1","3","9","8","3","8","1") = "8"
    & skf18("1","3","9","8","3","9","1") = "8"
    & skf18("1","3","9","8","3","10","1") = "9"
    & skf18("1","3","9","8","4","1","1") = "8"
    & skf18("1","3","9","8","4","2","1") = "8"
    & skf18("1","3","9","8","4","3","1") = "8"
    & skf18("1","3","9","8","4","4","1") = "8"
    & skf18("1","3","9","8","4","5","1") = "8"
    & skf18("1","3","9","8","4","6","1") = "8"
    & skf18("1","3","9","8","4","7","1") = "8"
    & skf18("1","3","9","8","4","8","1") = "8"
    & skf18("1","3","9","8","4","9","1") = "8"
    & skf18("1","3","9","8","4","10","1") = "9"
    & skf18("1","3","9","8","5","1","1") = "8"
    & skf18("1","3","9","8","5","2","1") = "8"
    & skf18("1","3","9","8","5","3","1") = "8"
    & skf18("1","3","9","8","5","4","1") = "8"
    & skf18("1","3","9","8","5","5","1") = "8"
    & skf18("1","3","9","8","5","6","1") = "8"
    & skf18("1","3","9","8","5","7","1") = "8"
    & skf18("1","3","9","8","5","8","1") = "8"
    & skf18("1","3","9","8","5","9","1") = "8"
    & skf18("1","3","9","8","5","10","1") = "9"
    & skf18("1","3","9","8","6","1","1") = "8"
    & skf18("1","3","9","8","6","2","1") = "8"
    & skf18("1","3","9","8","6","3","1") = "8"
    & skf18("1","3","9","8","6","4","1") = "8"
    & skf18("1","3","9","8","6","5","1") = "8"
    & skf18("1","3","9","8","6","6","1") = "8"
    & skf18("1","3","9","8","6","7","1") = "8"
    & skf18("1","3","9","8","6","8","1") = "8"
    & skf18("1","3","9","8","6","9","1") = "8"
    & skf18("1","3","9","8","6","10","1") = "9"
    & skf18("1","3","9","8","7","1","1") = "8"
    & skf18("1","3","9","8","7","2","1") = "8"
    & skf18("1","3","9","8","7","3","1") = "8"
    & skf18("1","3","9","8","7","4","1") = "8"
    & skf18("1","3","9","8","7","5","1") = "8"
    & skf18("1","3","9","8","7","6","1") = "8"
    & skf18("1","3","9","8","7","7","1") = "8"
    & skf18("1","3","9","8","7","8","1") = "8"
    & skf18("1","3","9","8","7","9","1") = "8"
    & skf18("1","3","9","8","7","10","1") = "9"
    & skf18("1","3","9","8","8","1","1") = "8"
    & skf18("1","3","9","8","8","2","1") = "8"
    & skf18("1","3","9","8","8","3","1") = "8"
    & skf18("1","3","9","8","8","4","1") = "8"
    & skf18("1","3","9","8","8","5","1") = "8"
    & skf18("1","3","9","8","8","6","1") = "8"
    & skf18("1","3","9","8","8","7","1") = "8"
    & skf18("1","3","9","8","8","8","1") = "8"
    & skf18("1","3","9","8","8","9","1") = "8"
    & skf18("1","3","9","8","8","10","1") = "9"
    & skf18("1","3","9","8","9","1","1") = "8"
    & skf18("1","3","9","8","9","2","1") = "8"
    & skf18("1","3","9","8","9","3","1") = "8"
    & skf18("1","3","9","8","9","4","1") = "8"
    & skf18("1","3","9","8","9","5","1") = "8"
    & skf18("1","3","9","8","9","6","1") = "8"
    & skf18("1","3","9","8","9","7","1") = "8"
    & skf18("1","3","9","8","9","8","1") = "8"
    & skf18("1","3","9","8","9","9","1") = "8"
    & skf18("1","3","9","8","9","10","1") = "9"
    & skf18("1","3","9","8","10","1","1") = "9"
    & skf18("1","3","9","8","10","2","1") = "9"
    & skf18("1","3","9","8","10","3","1") = "9"
    & skf18("1","3","9","8","10","4","1") = "9"
    & skf18("1","3","9","8","10","5","1") = "9"
    & skf18("1","3","9","8","10","6","1") = "9"
    & skf18("1","3","9","8","10","7","1") = "9"
    & skf18("1","3","9","8","10","8","1") = "9"
    & skf18("1","3","9","8","10","9","1") = "9"
    & skf18("1","3","9","8","10","10","1") = "9"
    & skf18("1","3","9","9","1","1","1") = "8"
    & skf18("1","3","9","9","1","2","1") = "8"
    & skf18("1","3","9","9","1","3","1") = "8"
    & skf18("1","3","9","9","1","4","1") = "8"
    & skf18("1","3","9","9","1","5","1") = "8"
    & skf18("1","3","9","9","1","6","1") = "8"
    & skf18("1","3","9","9","1","7","1") = "8"
    & skf18("1","3","9","9","1","8","1") = "8"
    & skf18("1","3","9","9","1","9","1") = "8"
    & skf18("1","3","9","9","1","10","1") = "9"
    & skf18("1","3","9","9","2","1","1") = "8"
    & skf18("1","3","9","9","2","2","1") = "8"
    & skf18("1","3","9","9","2","3","1") = "8"
    & skf18("1","3","9","9","2","4","1") = "8"
    & skf18("1","3","9","9","2","5","1") = "8"
    & skf18("1","3","9","9","2","6","1") = "8"
    & skf18("1","3","9","9","2","7","1") = "8"
    & skf18("1","3","9","9","2","8","1") = "8"
    & skf18("1","3","9","9","2","9","1") = "8"
    & skf18("1","3","9","9","2","10","1") = "9"
    & skf18("1","3","9","9","3","1","1") = "8"
    & skf18("1","3","9","9","3","2","1") = "8"
    & skf18("1","3","9","9","3","3","1") = "8"
    & skf18("1","3","9","9","3","4","1") = "8"
    & skf18("1","3","9","9","3","5","1") = "8"
    & skf18("1","3","9","9","3","6","1") = "8"
    & skf18("1","3","9","9","3","7","1") = "8"
    & skf18("1","3","9","9","3","8","1") = "8"
    & skf18("1","3","9","9","3","9","1") = "8"
    & skf18("1","3","9","9","3","10","1") = "9"
    & skf18("1","3","9","9","4","1","1") = "8"
    & skf18("1","3","9","9","4","2","1") = "8"
    & skf18("1","3","9","9","4","3","1") = "8"
    & skf18("1","3","9","9","4","4","1") = "8"
    & skf18("1","3","9","9","4","5","1") = "8"
    & skf18("1","3","9","9","4","6","1") = "8"
    & skf18("1","3","9","9","4","7","1") = "8"
    & skf18("1","3","9","9","4","8","1") = "8"
    & skf18("1","3","9","9","4","9","1") = "8"
    & skf18("1","3","9","9","4","10","1") = "9"
    & skf18("1","3","9","9","5","1","1") = "8"
    & skf18("1","3","9","9","5","2","1") = "8"
    & skf18("1","3","9","9","5","3","1") = "8"
    & skf18("1","3","9","9","5","4","1") = "8"
    & skf18("1","3","9","9","5","5","1") = "8"
    & skf18("1","3","9","9","5","6","1") = "8"
    & skf18("1","3","9","9","5","7","1") = "8"
    & skf18("1","3","9","9","5","8","1") = "8"
    & skf18("1","3","9","9","5","9","1") = "8"
    & skf18("1","3","9","9","5","10","1") = "9"
    & skf18("1","3","9","9","6","1","1") = "8"
    & skf18("1","3","9","9","6","2","1") = "8"
    & skf18("1","3","9","9","6","3","1") = "8"
    & skf18("1","3","9","9","6","4","1") = "8"
    & skf18("1","3","9","9","6","5","1") = "8"
    & skf18("1","3","9","9","6","6","1") = "8"
    & skf18("1","3","9","9","6","7","1") = "8"
    & skf18("1","3","9","9","6","8","1") = "8"
    & skf18("1","3","9","9","6","9","1") = "8"
    & skf18("1","3","9","9","6","10","1") = "9"
    & skf18("1","3","9","9","7","1","1") = "8"
    & skf18("1","3","9","9","7","2","1") = "8"
    & skf18("1","3","9","9","7","3","1") = "8"
    & skf18("1","3","9","9","7","4","1") = "8"
    & skf18("1","3","9","9","7","5","1") = "8"
    & skf18("1","3","9","9","7","6","1") = "8"
    & skf18("1","3","9","9","7","7","1") = "8"
    & skf18("1","3","9","9","7","8","1") = "8"
    & skf18("1","3","9","9","7","9","1") = "8"
    & skf18("1","3","9","9","7","10","1") = "9"
    & skf18("1","3","9","9","8","1","1") = "8"
    & skf18("1","3","9","9","8","2","1") = "8"
    & skf18("1","3","9","9","8","3","1") = "8"
    & skf18("1","3","9","9","8","4","1") = "8"
    & skf18("1","3","9","9","8","5","1") = "8"
    & skf18("1","3","9","9","8","6","1") = "8"
    & skf18("1","3","9","9","8","7","1") = "8"
    & skf18("1","3","9","9","8","8","1") = "8"
    & skf18("1","3","9","9","8","9","1") = "8"
    & skf18("1","3","9","9","8","10","1") = "9"
    & skf18("1","3","9","9","9","1","1") = "8"
    & skf18("1","3","9","9","9","2","1") = "8"
    & skf18("1","3","9","9","9","3","1") = "8"
    & skf18("1","3","9","9","9","4","1") = "8"
    & skf18("1","3","9","9","9","5","1") = "8"
    & skf18("1","3","9","9","9","6","1") = "8"
    & skf18("1","3","9","9","9","7","1") = "8"
    & skf18("1","3","9","9","9","8","1") = "8"
    & skf18("1","3","9","9","9","9","1") = "8"
    & skf18("1","3","9","9","9","10","1") = "9"
    & skf18("1","3","9","9","10","1","1") = "9"
    & skf18("1","3","9","9","10","2","1") = "9"
    & skf18("1","3","9","9","10","3","1") = "9"
    & skf18("1","3","9","9","10","4","1") = "9"
    & skf18("1","3","9","9","10","5","1") = "9"
    & skf18("1","3","9","9","10","6","1") = "9"
    & skf18("1","3","9","9","10","7","1") = "9"
    & skf18("1","3","9","9","10","8","1") = "9"
    & skf18("1","3","9","9","10","9","1") = "9"
    & skf18("1","3","9","9","10","10","1") = "9"
    & skf18("1","3","9","10","1","1","1") = "9"
    & skf18("1","3","9","10","1","2","1") = "9"
    & skf18("1","3","9","10","1","3","1") = "9"
    & skf18("1","3","9","10","1","4","1") = "9"
    & skf18("1","3","9","10","1","5","1") = "9"
    & skf18("1","3","9","10","1","6","1") = "9"
    & skf18("1","3","9","10","1","7","1") = "9"
    & skf18("1","3","9","10","1","8","1") = "9"
    & skf18("1","3","9","10","1","9","1") = "9"
    & skf18("1","3","9","10","1","10","1") = "9"
    & skf18("1","3","9","10","2","1","1") = "9"
    & skf18("1","3","9","10","2","2","1") = "9"
    & skf18("1","3","9","10","2","3","1") = "9"
    & skf18("1","3","9","10","2","4","1") = "9"
    & skf18("1","3","9","10","2","5","1") = "9"
    & skf18("1","3","9","10","2","6","1") = "9"
    & skf18("1","3","9","10","2","7","1") = "9"
    & skf18("1","3","9","10","2","8","1") = "9"
    & skf18("1","3","9","10","2","9","1") = "9"
    & skf18("1","3","9","10","2","10","1") = "9"
    & skf18("1","3","9","10","3","1","1") = "9"
    & skf18("1","3","9","10","3","2","1") = "9"
    & skf18("1","3","9","10","3","3","1") = "9"
    & skf18("1","3","9","10","3","4","1") = "9"
    & skf18("1","3","9","10","3","5","1") = "9"
    & skf18("1","3","9","10","3","6","1") = "9"
    & skf18("1","3","9","10","3","7","1") = "9"
    & skf18("1","3","9","10","3","8","1") = "9"
    & skf18("1","3","9","10","3","9","1") = "9"
    & skf18("1","3","9","10","3","10","1") = "9"
    & skf18("1","3","9","10","4","1","1") = "9"
    & skf18("1","3","9","10","4","2","1") = "9"
    & skf18("1","3","9","10","4","3","1") = "9"
    & skf18("1","3","9","10","4","4","1") = "9"
    & skf18("1","3","9","10","4","5","1") = "9"
    & skf18("1","3","9","10","4","6","1") = "9"
    & skf18("1","3","9","10","4","7","1") = "9"
    & skf18("1","3","9","10","4","8","1") = "9"
    & skf18("1","3","9","10","4","9","1") = "9"
    & skf18("1","3","9","10","4","10","1") = "9"
    & skf18("1","3","9","10","5","1","1") = "9"
    & skf18("1","3","9","10","5","2","1") = "9"
    & skf18("1","3","9","10","5","3","1") = "9"
    & skf18("1","3","9","10","5","4","1") = "9"
    & skf18("1","3","9","10","5","5","1") = "9"
    & skf18("1","3","9","10","5","6","1") = "9"
    & skf18("1","3","9","10","5","7","1") = "9"
    & skf18("1","3","9","10","5","8","1") = "9"
    & skf18("1","3","9","10","5","9","1") = "9"
    & skf18("1","3","9","10","5","10","1") = "9"
    & skf18("1","3","9","10","6","1","1") = "9"
    & skf18("1","3","9","10","6","2","1") = "9"
    & skf18("1","3","9","10","6","3","1") = "9"
    & skf18("1","3","9","10","6","4","1") = "9"
    & skf18("1","3","9","10","6","5","1") = "9"
    & skf18("1","3","9","10","6","6","1") = "9"
    & skf18("1","3","9","10","6","7","1") = "9"
    & skf18("1","3","9","10","6","8","1") = "9"
    & skf18("1","3","9","10","6","9","1") = "9"
    & skf18("1","3","9","10","6","10","1") = "9"
    & skf18("1","3","9","10","7","1","1") = "9"
    & skf18("1","3","9","10","7","2","1") = "9"
    & skf18("1","3","9","10","7","3","1") = "9"
    & skf18("1","3","9","10","7","4","1") = "9"
    & skf18("1","3","9","10","7","5","1") = "9"
    & skf18("1","3","9","10","7","6","1") = "9"
    & skf18("1","3","9","10","7","7","1") = "9"
    & skf18("1","3","9","10","7","8","1") = "9"
    & skf18("1","3","9","10","7","9","1") = "9"
    & skf18("1","3","9","10","7","10","1") = "9"
    & skf18("1","3","9","10","8","1","1") = "9"
    & skf18("1","3","9","10","8","2","1") = "9"
    & skf18("1","3","9","10","8","3","1") = "9"
    & skf18("1","3","9","10","8","4","1") = "9"
    & skf18("1","3","9","10","8","5","1") = "9"
    & skf18("1","3","9","10","8","6","1") = "9"
    & skf18("1","3","9","10","8","7","1") = "9"
    & skf18("1","3","9","10","8","8","1") = "9"
    & skf18("1","3","9","10","8","9","1") = "9"
    & skf18("1","3","9","10","8","10","1") = "9"
    & skf18("1","3","9","10","9","1","1") = "9"
    & skf18("1","3","9","10","9","2","1") = "9"
    & skf18("1","3","9","10","9","3","1") = "9"
    & skf18("1","3","9","10","9","4","1") = "9"
    & skf18("1","3","9","10","9","5","1") = "9"
    & skf18("1","3","9","10","9","6","1") = "9"
    & skf18("1","3","9","10","9","7","1") = "9"
    & skf18("1","3","9","10","9","8","1") = "9"
    & skf18("1","3","9","10","9","9","1") = "9"
    & skf18("1","3","9","10","9","10","1") = "9"
    & skf18("1","3","9","10","10","1","1") = "9"
    & skf18("1","3","9","10","10","2","1") = "9"
    & skf18("1","3","9","10","10","3","1") = "9"
    & skf18("1","3","9","10","10","4","1") = "9"
    & skf18("1","3","9","10","10","5","1") = "9"
    & skf18("1","3","9","10","10","6","1") = "9"
    & skf18("1","3","9","10","10","7","1") = "9"
    & skf18("1","3","9","10","10","8","1") = "9"
    & skf18("1","3","9","10","10","9","1") = "9"
    & skf18("1","3","9","10","10","10","1") = "9"
    & skf18("1","3","10","1","1","1","1") = "9"
    & skf18("1","3","10","1","1","2","1") = "9"
    & skf18("1","3","10","1","1","3","1") = "9"
    & skf18("1","3","10","1","1","4","1") = "9"
    & skf18("1","3","10","1","1","5","1") = "9"
    & skf18("1","3","10","1","1","6","1") = "9"
    & skf18("1","3","10","1","1","7","1") = "9"
    & skf18("1","3","10","1","1","8","1") = "9"
    & skf18("1","3","10","1","1","9","1") = "9"
    & skf18("1","3","10","1","1","10","1") = "9"
    & skf18("1","3","10","1","2","1","1") = "9"
    & skf18("1","3","10","1","2","2","1") = "9"
    & skf18("1","3","10","1","2","3","1") = "9"
    & skf18("1","3","10","1","2","4","1") = "9"
    & skf18("1","3","10","1","2","5","1") = "9"
    & skf18("1","3","10","1","2","6","1") = "9"
    & skf18("1","3","10","1","2","7","1") = "9"
    & skf18("1","3","10","1","2","8","1") = "9"
    & skf18("1","3","10","1","2","9","1") = "9"
    & skf18("1","3","10","1","2","10","1") = "9"
    & skf18("1","3","10","1","3","1","1") = "9"
    & skf18("1","3","10","1","3","2","1") = "9"
    & skf18("1","3","10","1","3","3","1") = "9"
    & skf18("1","3","10","1","3","4","1") = "9"
    & skf18("1","3","10","1","3","5","1") = "9"
    & skf18("1","3","10","1","3","6","1") = "9"
    & skf18("1","3","10","1","3","7","1") = "9"
    & skf18("1","3","10","1","3","8","1") = "9"
    & skf18("1","3","10","1","3","9","1") = "9"
    & skf18("1","3","10","1","3","10","1") = "9"
    & skf18("1","3","10","1","4","1","1") = "9"
    & skf18("1","3","10","1","4","2","1") = "9"
    & skf18("1","3","10","1","4","3","1") = "9"
    & skf18("1","3","10","1","4","4","1") = "9"
    & skf18("1","3","10","1","4","5","1") = "9"
    & skf18("1","3","10","1","4","6","1") = "9"
    & skf18("1","3","10","1","4","7","1") = "9"
    & skf18("1","3","10","1","4","8","1") = "9"
    & skf18("1","3","10","1","4","9","1") = "9"
    & skf18("1","3","10","1","4","10","1") = "9"
    & skf18("1","3","10","1","5","1","1") = "9"
    & skf18("1","3","10","1","5","2","1") = "9"
    & skf18("1","3","10","1","5","3","1") = "9"
    & skf18("1","3","10","1","5","4","1") = "9"
    & skf18("1","3","10","1","5","5","1") = "9"
    & skf18("1","3","10","1","5","6","1") = "9"
    & skf18("1","3","10","1","5","7","1") = "9"
    & skf18("1","3","10","1","5","8","1") = "9"
    & skf18("1","3","10","1","5","9","1") = "9"
    & skf18("1","3","10","1","5","10","1") = "9"
    & skf18("1","3","10","1","6","1","1") = "9"
    & skf18("1","3","10","1","6","2","1") = "9"
    & skf18("1","3","10","1","6","3","1") = "9"
    & skf18("1","3","10","1","6","4","1") = "9"
    & skf18("1","3","10","1","6","5","1") = "9"
    & skf18("1","3","10","1","6","6","1") = "9"
    & skf18("1","3","10","1","6","7","1") = "9"
    & skf18("1","3","10","1","6","8","1") = "9"
    & skf18("1","3","10","1","6","9","1") = "9"
    & skf18("1","3","10","1","6","10","1") = "9"
    & skf18("1","3","10","1","7","1","1") = "9"
    & skf18("1","3","10","1","7","2","1") = "9"
    & skf18("1","3","10","1","7","3","1") = "9"
    & skf18("1","3","10","1","7","4","1") = "9"
    & skf18("1","3","10","1","7","5","1") = "9"
    & skf18("1","3","10","1","7","6","1") = "9"
    & skf18("1","3","10","1","7","7","1") = "9"
    & skf18("1","3","10","1","7","8","1") = "9"
    & skf18("1","3","10","1","7","9","1") = "9"
    & skf18("1","3","10","1","7","10","1") = "9"
    & skf18("1","3","10","1","8","1","1") = "9"
    & skf18("1","3","10","1","8","2","1") = "9"
    & skf18("1","3","10","1","8","3","1") = "9"
    & skf18("1","3","10","1","8","4","1") = "9"
    & skf18("1","3","10","1","8","5","1") = "9"
    & skf18("1","3","10","1","8","6","1") = "9"
    & skf18("1","3","10","1","8","7","1") = "9"
    & skf18("1","3","10","1","8","8","1") = "9"
    & skf18("1","3","10","1","8","9","1") = "9"
    & skf18("1","3","10","1","8","10","1") = "9"
    & skf18("1","3","10","1","9","1","1") = "9"
    & skf18("1","3","10","1","9","2","1") = "9"
    & skf18("1","3","10","1","9","3","1") = "9"
    & skf18("1","3","10","1","9","4","1") = "9"
    & skf18("1","3","10","1","9","5","1") = "9"
    & skf18("1","3","10","1","9","6","1") = "9"
    & skf18("1","3","10","1","9","7","1") = "9"
    & skf18("1","3","10","1","9","8","1") = "9"
    & skf18("1","3","10","1","9","9","1") = "9"
    & skf18("1","3","10","1","9","10","1") = "9"
    & skf18("1","3","10","1","10","1","1") = "9"
    & skf18("1","3","10","1","10","2","1") = "9"
    & skf18("1","3","10","1","10","3","1") = "9"
    & skf18("1","3","10","1","10","4","1") = "9"
    & skf18("1","3","10","1","10","5","1") = "9"
    & skf18("1","3","10","1","10","6","1") = "9"
    & skf18("1","3","10","1","10","7","1") = "9"
    & skf18("1","3","10","1","10","8","1") = "9"
    & skf18("1","3","10","1","10","9","1") = "9"
    & skf18("1","3","10","1","10","10","1") = "9"
    & skf18("1","3","10","2","1","1","1") = "9"
    & skf18("1","3","10","2","1","2","1") = "9"
    & skf18("1","3","10","2","1","3","1") = "9"
    & skf18("1","3","10","2","1","4","1") = "9"
    & skf18("1","3","10","2","1","5","1") = "9"
    & skf18("1","3","10","2","1","6","1") = "9"
    & skf18("1","3","10","2","1","7","1") = "9"
    & skf18("1","3","10","2","1","8","1") = "9"
    & skf18("1","3","10","2","1","9","1") = "9"
    & skf18("1","3","10","2","1","10","1") = "9"
    & skf18("1","3","10","2","2","1","1") = "9"
    & skf18("1","3","10","2","2","2","1") = "9"
    & skf18("1","3","10","2","2","3","1") = "9"
    & skf18("1","3","10","2","2","4","1") = "9"
    & skf18("1","3","10","2","2","5","1") = "9"
    & skf18("1","3","10","2","2","6","1") = "9"
    & skf18("1","3","10","2","2","7","1") = "9"
    & skf18("1","3","10","2","2","8","1") = "9"
    & skf18("1","3","10","2","2","9","1") = "9"
    & skf18("1","3","10","2","2","10","1") = "9"
    & skf18("1","3","10","2","3","1","1") = "9"
    & skf18("1","3","10","2","3","2","1") = "9"
    & skf18("1","3","10","2","3","3","1") = "9"
    & skf18("1","3","10","2","3","4","1") = "9"
    & skf18("1","3","10","2","3","5","1") = "9"
    & skf18("1","3","10","2","3","6","1") = "9"
    & skf18("1","3","10","2","3","7","1") = "9"
    & skf18("1","3","10","2","3","8","1") = "9"
    & skf18("1","3","10","2","3","9","1") = "9"
    & skf18("1","3","10","2","3","10","1") = "9"
    & skf18("1","3","10","2","4","1","1") = "9"
    & skf18("1","3","10","2","4","2","1") = "9"
    & skf18("1","3","10","2","4","3","1") = "9"
    & skf18("1","3","10","2","4","4","1") = "9"
    & skf18("1","3","10","2","4","5","1") = "9"
    & skf18("1","3","10","2","4","6","1") = "9"
    & skf18("1","3","10","2","4","7","1") = "9"
    & skf18("1","3","10","2","4","8","1") = "9"
    & skf18("1","3","10","2","4","9","1") = "9"
    & skf18("1","3","10","2","4","10","1") = "9"
    & skf18("1","3","10","2","5","1","1") = "9"
    & skf18("1","3","10","2","5","2","1") = "9"
    & skf18("1","3","10","2","5","3","1") = "9"
    & skf18("1","3","10","2","5","4","1") = "9"
    & skf18("1","3","10","2","5","5","1") = "9"
    & skf18("1","3","10","2","5","6","1") = "9"
    & skf18("1","3","10","2","5","7","1") = "9"
    & skf18("1","3","10","2","5","8","1") = "9"
    & skf18("1","3","10","2","5","9","1") = "9"
    & skf18("1","3","10","2","5","10","1") = "9"
    & skf18("1","3","10","2","6","1","1") = "9"
    & skf18("1","3","10","2","6","2","1") = "9"
    & skf18("1","3","10","2","6","3","1") = "9"
    & skf18("1","3","10","2","6","4","1") = "9"
    & skf18("1","3","10","2","6","5","1") = "9"
    & skf18("1","3","10","2","6","6","1") = "9"
    & skf18("1","3","10","2","6","7","1") = "9"
    & skf18("1","3","10","2","6","8","1") = "9"
    & skf18("1","3","10","2","6","9","1") = "9"
    & skf18("1","3","10","2","6","10","1") = "9"
    & skf18("1","3","10","2","7","1","1") = "9"
    & skf18("1","3","10","2","7","2","1") = "9"
    & skf18("1","3","10","2","7","3","1") = "9"
    & skf18("1","3","10","2","7","4","1") = "9"
    & skf18("1","3","10","2","7","5","1") = "9"
    & skf18("1","3","10","2","7","6","1") = "9"
    & skf18("1","3","10","2","7","7","1") = "9"
    & skf18("1","3","10","2","7","8","1") = "9"
    & skf18("1","3","10","2","7","9","1") = "9"
    & skf18("1","3","10","2","7","10","1") = "9"
    & skf18("1","3","10","2","8","1","1") = "9"
    & skf18("1","3","10","2","8","2","1") = "9"
    & skf18("1","3","10","2","8","3","1") = "9"
    & skf18("1","3","10","2","8","4","1") = "9"
    & skf18("1","3","10","2","8","5","1") = "9"
    & skf18("1","3","10","2","8","6","1") = "9"
    & skf18("1","3","10","2","8","7","1") = "9"
    & skf18("1","3","10","2","8","8","1") = "9"
    & skf18("1","3","10","2","8","9","1") = "9"
    & skf18("1","3","10","2","8","10","1") = "9"
    & skf18("1","3","10","2","9","1","1") = "9"
    & skf18("1","3","10","2","9","2","1") = "9"
    & skf18("1","3","10","2","9","3","1") = "9"
    & skf18("1","3","10","2","9","4","1") = "9"
    & skf18("1","3","10","2","9","5","1") = "9"
    & skf18("1","3","10","2","9","6","1") = "9"
    & skf18("1","3","10","2","9","7","1") = "9"
    & skf18("1","3","10","2","9","8","1") = "9"
    & skf18("1","3","10","2","9","9","1") = "9"
    & skf18("1","3","10","2","9","10","1") = "9"
    & skf18("1","3","10","2","10","1","1") = "9"
    & skf18("1","3","10","2","10","2","1") = "9"
    & skf18("1","3","10","2","10","3","1") = "9"
    & skf18("1","3","10","2","10","4","1") = "9"
    & skf18("1","3","10","2","10","5","1") = "9"
    & skf18("1","3","10","2","10","6","1") = "9"
    & skf18("1","3","10","2","10","7","1") = "9"
    & skf18("1","3","10","2","10","8","1") = "9"
    & skf18("1","3","10","2","10","9","1") = "9"
    & skf18("1","3","10","2","10","10","1") = "9"
    & skf18("1","3","10","3","1","1","1") = "9"
    & skf18("1","3","10","3","1","2","1") = "9"
    & skf18("1","3","10","3","1","3","1") = "9"
    & skf18("1","3","10","3","1","4","1") = "9"
    & skf18("1","3","10","3","1","5","1") = "9"
    & skf18("1","3","10","3","1","6","1") = "9"
    & skf18("1","3","10","3","1","7","1") = "9"
    & skf18("1","3","10","3","1","8","1") = "9"
    & skf18("1","3","10","3","1","9","1") = "9"
    & skf18("1","3","10","3","1","10","1") = "9"
    & skf18("1","3","10","3","2","1","1") = "9"
    & skf18("1","3","10","3","2","2","1") = "9"
    & skf18("1","3","10","3","2","3","1") = "9"
    & skf18("1","3","10","3","2","4","1") = "9"
    & skf18("1","3","10","3","2","5","1") = "9"
    & skf18("1","3","10","3","2","6","1") = "9"
    & skf18("1","3","10","3","2","7","1") = "9"
    & skf18("1","3","10","3","2","8","1") = "9"
    & skf18("1","3","10","3","2","9","1") = "9"
    & skf18("1","3","10","3","2","10","1") = "9"
    & skf18("1","3","10","3","3","1","1") = "9"
    & skf18("1","3","10","3","3","2","1") = "9"
    & skf18("1","3","10","3","3","3","1") = "9"
    & skf18("1","3","10","3","3","4","1") = "9"
    & skf18("1","3","10","3","3","5","1") = "9"
    & skf18("1","3","10","3","3","6","1") = "9"
    & skf18("1","3","10","3","3","7","1") = "9"
    & skf18("1","3","10","3","3","8","1") = "9"
    & skf18("1","3","10","3","3","9","1") = "9"
    & skf18("1","3","10","3","3","10","1") = "9"
    & skf18("1","3","10","3","4","1","1") = "9"
    & skf18("1","3","10","3","4","2","1") = "9"
    & skf18("1","3","10","3","4","3","1") = "9"
    & skf18("1","3","10","3","4","4","1") = "9"
    & skf18("1","3","10","3","4","5","1") = "9"
    & skf18("1","3","10","3","4","6","1") = "9"
    & skf18("1","3","10","3","4","7","1") = "9"
    & skf18("1","3","10","3","4","8","1") = "9"
    & skf18("1","3","10","3","4","9","1") = "9"
    & skf18("1","3","10","3","4","10","1") = "9"
    & skf18("1","3","10","3","5","1","1") = "9"
    & skf18("1","3","10","3","5","2","1") = "9"
    & skf18("1","3","10","3","5","3","1") = "9"
    & skf18("1","3","10","3","5","4","1") = "9"
    & skf18("1","3","10","3","5","5","1") = "9"
    & skf18("1","3","10","3","5","6","1") = "9"
    & skf18("1","3","10","3","5","7","1") = "9"
    & skf18("1","3","10","3","5","8","1") = "9"
    & skf18("1","3","10","3","5","9","1") = "9"
    & skf18("1","3","10","3","5","10","1") = "9"
    & skf18("1","3","10","3","6","1","1") = "9"
    & skf18("1","3","10","3","6","2","1") = "9"
    & skf18("1","3","10","3","6","3","1") = "9"
    & skf18("1","3","10","3","6","4","1") = "9"
    & skf18("1","3","10","3","6","5","1") = "9"
    & skf18("1","3","10","3","6","6","1") = "9"
    & skf18("1","3","10","3","6","7","1") = "9"
    & skf18("1","3","10","3","6","8","1") = "9"
    & skf18("1","3","10","3","6","9","1") = "9"
    & skf18("1","3","10","3","6","10","1") = "9"
    & skf18("1","3","10","3","7","1","1") = "9"
    & skf18("1","3","10","3","7","2","1") = "9"
    & skf18("1","3","10","3","7","3","1") = "9"
    & skf18("1","3","10","3","7","4","1") = "9"
    & skf18("1","3","10","3","7","5","1") = "9"
    & skf18("1","3","10","3","7","6","1") = "9"
    & skf18("1","3","10","3","7","7","1") = "9"
    & skf18("1","3","10","3","7","8","1") = "9"
    & skf18("1","3","10","3","7","9","1") = "9"
    & skf18("1","3","10","3","7","10","1") = "9"
    & skf18("1","3","10","3","8","1","1") = "9"
    & skf18("1","3","10","3","8","2","1") = "9"
    & skf18("1","3","10","3","8","3","1") = "9"
    & skf18("1","3","10","3","8","4","1") = "9"
    & skf18("1","3","10","3","8","5","1") = "9"
    & skf18("1","3","10","3","8","6","1") = "9"
    & skf18("1","3","10","3","8","7","1") = "9"
    & skf18("1","3","10","3","8","8","1") = "9"
    & skf18("1","3","10","3","8","9","1") = "9"
    & skf18("1","3","10","3","8","10","1") = "9"
    & skf18("1","3","10","3","9","1","1") = "9"
    & skf18("1","3","10","3","9","2","1") = "9"
    & skf18("1","3","10","3","9","3","1") = "9"
    & skf18("1","3","10","3","9","4","1") = "9"
    & skf18("1","3","10","3","9","5","1") = "9"
    & skf18("1","3","10","3","9","6","1") = "9"
    & skf18("1","3","10","3","9","7","1") = "9"
    & skf18("1","3","10","3","9","8","1") = "9"
    & skf18("1","3","10","3","9","9","1") = "9"
    & skf18("1","3","10","3","9","10","1") = "9"
    & skf18("1","3","10","3","10","1","1") = "9"
    & skf18("1","3","10","3","10","2","1") = "9"
    & skf18("1","3","10","3","10","3","1") = "9"
    & skf18("1","3","10","3","10","4","1") = "9"
    & skf18("1","3","10","3","10","5","1") = "9"
    & skf18("1","3","10","3","10","6","1") = "9"
    & skf18("1","3","10","3","10","7","1") = "9"
    & skf18("1","3","10","3","10","8","1") = "9"
    & skf18("1","3","10","3","10","9","1") = "9"
    & skf18("1","3","10","3","10","10","1") = "9"
    & skf18("1","3","10","4","1","1","1") = "9"
    & skf18("1","3","10","4","1","2","1") = "9"
    & skf18("1","3","10","4","1","3","1") = "9"
    & skf18("1","3","10","4","1","4","1") = "9"
    & skf18("1","3","10","4","1","5","1") = "9"
    & skf18("1","3","10","4","1","6","1") = "9"
    & skf18("1","3","10","4","1","7","1") = "9"
    & skf18("1","3","10","4","1","8","1") = "9"
    & skf18("1","3","10","4","1","9","1") = "9"
    & skf18("1","3","10","4","1","10","1") = "9"
    & skf18("1","3","10","4","2","1","1") = "9"
    & skf18("1","3","10","4","2","2","1") = "9"
    & skf18("1","3","10","4","2","3","1") = "9"
    & skf18("1","3","10","4","2","4","1") = "9"
    & skf18("1","3","10","4","2","5","1") = "9"
    & skf18("1","3","10","4","2","6","1") = "9"
    & skf18("1","3","10","4","2","7","1") = "9"
    & skf18("1","3","10","4","2","8","1") = "9"
    & skf18("1","3","10","4","2","9","1") = "9"
    & skf18("1","3","10","4","2","10","1") = "9"
    & skf18("1","3","10","4","3","1","1") = "9"
    & skf18("1","3","10","4","3","2","1") = "9"
    & skf18("1","3","10","4","3","3","1") = "9"
    & skf18("1","3","10","4","3","4","1") = "9"
    & skf18("1","3","10","4","3","5","1") = "9"
    & skf18("1","3","10","4","3","6","1") = "9"
    & skf18("1","3","10","4","3","7","1") = "9"
    & skf18("1","3","10","4","3","8","1") = "9"
    & skf18("1","3","10","4","3","9","1") = "9"
    & skf18("1","3","10","4","3","10","1") = "9"
    & skf18("1","3","10","4","4","1","1") = "9"
    & skf18("1","3","10","4","4","2","1") = "9"
    & skf18("1","3","10","4","4","3","1") = "9"
    & skf18("1","3","10","4","4","4","1") = "9"
    & skf18("1","3","10","4","4","5","1") = "9"
    & skf18("1","3","10","4","4","6","1") = "9"
    & skf18("1","3","10","4","4","7","1") = "9"
    & skf18("1","3","10","4","4","8","1") = "9"
    & skf18("1","3","10","4","4","9","1") = "9"
    & skf18("1","3","10","4","4","10","1") = "9"
    & skf18("1","3","10","4","5","1","1") = "9"
    & skf18("1","3","10","4","5","2","1") = "9"
    & skf18("1","3","10","4","5","3","1") = "9"
    & skf18("1","3","10","4","5","4","1") = "9"
    & skf18("1","3","10","4","5","5","1") = "9"
    & skf18("1","3","10","4","5","6","1") = "9"
    & skf18("1","3","10","4","5","7","1") = "9"
    & skf18("1","3","10","4","5","8","1") = "9"
    & skf18("1","3","10","4","5","9","1") = "9"
    & skf18("1","3","10","4","5","10","1") = "9"
    & skf18("1","3","10","4","6","1","1") = "9"
    & skf18("1","3","10","4","6","2","1") = "9"
    & skf18("1","3","10","4","6","3","1") = "9"
    & skf18("1","3","10","4","6","4","1") = "9"
    & skf18("1","3","10","4","6","5","1") = "9"
    & skf18("1","3","10","4","6","6","1") = "9"
    & skf18("1","3","10","4","6","7","1") = "9"
    & skf18("1","3","10","4","6","8","1") = "9"
    & skf18("1","3","10","4","6","9","1") = "9"
    & skf18("1","3","10","4","6","10","1") = "9"
    & skf18("1","3","10","4","7","1","1") = "9"
    & skf18("1","3","10","4","7","2","1") = "9"
    & skf18("1","3","10","4","7","3","1") = "9"
    & skf18("1","3","10","4","7","4","1") = "9"
    & skf18("1","3","10","4","7","5","1") = "9"
    & skf18("1","3","10","4","7","6","1") = "9"
    & skf18("1","3","10","4","7","7","1") = "9"
    & skf18("1","3","10","4","7","8","1") = "9"
    & skf18("1","3","10","4","7","9","1") = "9"
    & skf18("1","3","10","4","7","10","1") = "9"
    & skf18("1","3","10","4","8","1","1") = "9"
    & skf18("1","3","10","4","8","2","1") = "9"
    & skf18("1","3","10","4","8","3","1") = "9"
    & skf18("1","3","10","4","8","4","1") = "9"
    & skf18("1","3","10","4","8","5","1") = "9"
    & skf18("1","3","10","4","8","6","1") = "9"
    & skf18("1","3","10","4","8","7","1") = "9"
    & skf18("1","3","10","4","8","8","1") = "9"
    & skf18("1","3","10","4","8","9","1") = "9"
    & skf18("1","3","10","4","8","10","1") = "9"
    & skf18("1","3","10","4","9","1","1") = "9"
    & skf18("1","3","10","4","9","2","1") = "9"
    & skf18("1","3","10","4","9","3","1") = "9"
    & skf18("1","3","10","4","9","4","1") = "9"
    & skf18("1","3","10","4","9","5","1") = "9"
    & skf18("1","3","10","4","9","6","1") = "9"
    & skf18("1","3","10","4","9","7","1") = "9"
    & skf18("1","3","10","4","9","8","1") = "9"
    & skf18("1","3","10","4","9","9","1") = "9"
    & skf18("1","3","10","4","9","10","1") = "9"
    & skf18("1","3","10","4","10","1","1") = "9"
    & skf18("1","3","10","4","10","2","1") = "9"
    & skf18("1","3","10","4","10","3","1") = "9"
    & skf18("1","3","10","4","10","4","1") = "9"
    & skf18("1","3","10","4","10","5","1") = "9"
    & skf18("1","3","10","4","10","6","1") = "9"
    & skf18("1","3","10","4","10","7","1") = "9"
    & skf18("1","3","10","4","10","8","1") = "9"
    & skf18("1","3","10","4","10","9","1") = "9"
    & skf18("1","3","10","4","10","10","1") = "9"
    & skf18("1","3","10","5","1","1","1") = "9"
    & skf18("1","3","10","5","1","2","1") = "9"
    & skf18("1","3","10","5","1","3","1") = "9"
    & skf18("1","3","10","5","1","4","1") = "9"
    & skf18("1","3","10","5","1","5","1") = "9"
    & skf18("1","3","10","5","1","6","1") = "9"
    & skf18("1","3","10","5","1","7","1") = "9"
    & skf18("1","3","10","5","1","8","1") = "9"
    & skf18("1","3","10","5","1","9","1") = "9"
    & skf18("1","3","10","5","1","10","1") = "9"
    & skf18("1","3","10","5","2","1","1") = "9"
    & skf18("1","3","10","5","2","2","1") = "9"
    & skf18("1","3","10","5","2","3","1") = "9"
    & skf18("1","3","10","5","2","4","1") = "9"
    & skf18("1","3","10","5","2","5","1") = "9"
    & skf18("1","3","10","5","2","6","1") = "9"
    & skf18("1","3","10","5","2","7","1") = "9"
    & skf18("1","3","10","5","2","8","1") = "9"
    & skf18("1","3","10","5","2","9","1") = "9"
    & skf18("1","3","10","5","2","10","1") = "9"
    & skf18("1","3","10","5","3","1","1") = "9"
    & skf18("1","3","10","5","3","2","1") = "9"
    & skf18("1","3","10","5","3","3","1") = "9"
    & skf18("1","3","10","5","3","4","1") = "9"
    & skf18("1","3","10","5","3","5","1") = "9"
    & skf18("1","3","10","5","3","6","1") = "9"
    & skf18("1","3","10","5","3","7","1") = "9"
    & skf18("1","3","10","5","3","8","1") = "9"
    & skf18("1","3","10","5","3","9","1") = "9"
    & skf18("1","3","10","5","3","10","1") = "9"
    & skf18("1","3","10","5","4","1","1") = "9"
    & skf18("1","3","10","5","4","2","1") = "9"
    & skf18("1","3","10","5","4","3","1") = "9"
    & skf18("1","3","10","5","4","4","1") = "9"
    & skf18("1","3","10","5","4","5","1") = "9"
    & skf18("1","3","10","5","4","6","1") = "9"
    & skf18("1","3","10","5","4","7","1") = "9"
    & skf18("1","3","10","5","4","8","1") = "9"
    & skf18("1","3","10","5","4","9","1") = "9"
    & skf18("1","3","10","5","4","10","1") = "9"
    & skf18("1","3","10","5","5","1","1") = "9"
    & skf18("1","3","10","5","5","2","1") = "9"
    & skf18("1","3","10","5","5","3","1") = "9"
    & skf18("1","3","10","5","5","4","1") = "9"
    & skf18("1","3","10","5","5","5","1") = "9"
    & skf18("1","3","10","5","5","6","1") = "9"
    & skf18("1","3","10","5","5","7","1") = "9"
    & skf18("1","3","10","5","5","8","1") = "9"
    & skf18("1","3","10","5","5","9","1") = "9"
    & skf18("1","3","10","5","5","10","1") = "9"
    & skf18("1","3","10","5","6","1","1") = "9"
    & skf18("1","3","10","5","6","2","1") = "9"
    & skf18("1","3","10","5","6","3","1") = "9"
    & skf18("1","3","10","5","6","4","1") = "9"
    & skf18("1","3","10","5","6","5","1") = "9"
    & skf18("1","3","10","5","6","6","1") = "9"
    & skf18("1","3","10","5","6","7","1") = "9"
    & skf18("1","3","10","5","6","8","1") = "9"
    & skf18("1","3","10","5","6","9","1") = "9"
    & skf18("1","3","10","5","6","10","1") = "9"
    & skf18("1","3","10","5","7","1","1") = "9"
    & skf18("1","3","10","5","7","2","1") = "9"
    & skf18("1","3","10","5","7","3","1") = "9"
    & skf18("1","3","10","5","7","4","1") = "9"
    & skf18("1","3","10","5","7","5","1") = "9"
    & skf18("1","3","10","5","7","6","1") = "9"
    & skf18("1","3","10","5","7","7","1") = "9"
    & skf18("1","3","10","5","7","8","1") = "9"
    & skf18("1","3","10","5","7","9","1") = "9"
    & skf18("1","3","10","5","7","10","1") = "9"
    & skf18("1","3","10","5","8","1","1") = "9"
    & skf18("1","3","10","5","8","2","1") = "9"
    & skf18("1","3","10","5","8","3","1") = "9"
    & skf18("1","3","10","5","8","4","1") = "9"
    & skf18("1","3","10","5","8","5","1") = "9"
    & skf18("1","3","10","5","8","6","1") = "9"
    & skf18("1","3","10","5","8","7","1") = "9"
    & skf18("1","3","10","5","8","8","1") = "9"
    & skf18("1","3","10","5","8","9","1") = "9"
    & skf18("1","3","10","5","8","10","1") = "9"
    & skf18("1","3","10","5","9","1","1") = "9"
    & skf18("1","3","10","5","9","2","1") = "9"
    & skf18("1","3","10","5","9","3","1") = "9"
    & skf18("1","3","10","5","9","4","1") = "9"
    & skf18("1","3","10","5","9","5","1") = "9"
    & skf18("1","3","10","5","9","6","1") = "9"
    & skf18("1","3","10","5","9","7","1") = "9"
    & skf18("1","3","10","5","9","8","1") = "9"
    & skf18("1","3","10","5","9","9","1") = "9"
    & skf18("1","3","10","5","9","10","1") = "9"
    & skf18("1","3","10","5","10","1","1") = "9"
    & skf18("1","3","10","5","10","2","1") = "9"
    & skf18("1","3","10","5","10","3","1") = "9"
    & skf18("1","3","10","5","10","4","1") = "9"
    & skf18("1","3","10","5","10","5","1") = "9"
    & skf18("1","3","10","5","10","6","1") = "9"
    & skf18("1","3","10","5","10","7","1") = "9"
    & skf18("1","3","10","5","10","8","1") = "9"
    & skf18("1","3","10","5","10","9","1") = "9"
    & skf18("1","3","10","5","10","10","1") = "9"
    & skf18("1","3","10","6","1","1","1") = "9"
    & skf18("1","3","10","6","1","2","1") = "9"
    & skf18("1","3","10","6","1","3","1") = "9"
    & skf18("1","3","10","6","1","4","1") = "9"
    & skf18("1","3","10","6","1","5","1") = "9"
    & skf18("1","3","10","6","1","6","1") = "9"
    & skf18("1","3","10","6","1","7","1") = "9"
    & skf18("1","3","10","6","1","8","1") = "9"
    & skf18("1","3","10","6","1","9","1") = "9"
    & skf18("1","3","10","6","1","10","1") = "9"
    & skf18("1","3","10","6","2","1","1") = "9"
    & skf18("1","3","10","6","2","2","1") = "9"
    & skf18("1","3","10","6","2","3","1") = "9"
    & skf18("1","3","10","6","2","4","1") = "9"
    & skf18("1","3","10","6","2","5","1") = "9"
    & skf18("1","3","10","6","2","6","1") = "9"
    & skf18("1","3","10","6","2","7","1") = "9"
    & skf18("1","3","10","6","2","8","1") = "9"
    & skf18("1","3","10","6","2","9","1") = "9"
    & skf18("1","3","10","6","2","10","1") = "9"
    & skf18("1","3","10","6","3","1","1") = "9"
    & skf18("1","3","10","6","3","2","1") = "9"
    & skf18("1","3","10","6","3","3","1") = "9"
    & skf18("1","3","10","6","3","4","1") = "9"
    & skf18("1","3","10","6","3","5","1") = "9"
    & skf18("1","3","10","6","3","6","1") = "9"
    & skf18("1","3","10","6","3","7","1") = "9"
    & skf18("1","3","10","6","3","8","1") = "9"
    & skf18("1","3","10","6","3","9","1") = "9"
    & skf18("1","3","10","6","3","10","1") = "9"
    & skf18("1","3","10","6","4","1","1") = "9"
    & skf18("1","3","10","6","4","2","1") = "9"
    & skf18("1","3","10","6","4","3","1") = "9"
    & skf18("1","3","10","6","4","4","1") = "9"
    & skf18("1","3","10","6","4","5","1") = "9"
    & skf18("1","3","10","6","4","6","1") = "9"
    & skf18("1","3","10","6","4","7","1") = "9"
    & skf18("1","3","10","6","4","8","1") = "9"
    & skf18("1","3","10","6","4","9","1") = "9"
    & skf18("1","3","10","6","4","10","1") = "9"
    & skf18("1","3","10","6","5","1","1") = "9"
    & skf18("1","3","10","6","5","2","1") = "9"
    & skf18("1","3","10","6","5","3","1") = "9"
    & skf18("1","3","10","6","5","4","1") = "9"
    & skf18("1","3","10","6","5","5","1") = "9"
    & skf18("1","3","10","6","5","6","1") = "9"
    & skf18("1","3","10","6","5","7","1") = "9"
    & skf18("1","3","10","6","5","8","1") = "9"
    & skf18("1","3","10","6","5","9","1") = "9"
    & skf18("1","3","10","6","5","10","1") = "9"
    & skf18("1","3","10","6","6","1","1") = "9"
    & skf18("1","3","10","6","6","2","1") = "9"
    & skf18("1","3","10","6","6","3","1") = "9"
    & skf18("1","3","10","6","6","4","1") = "9"
    & skf18("1","3","10","6","6","5","1") = "9"
    & skf18("1","3","10","6","6","6","1") = "9"
    & skf18("1","3","10","6","6","7","1") = "9"
    & skf18("1","3","10","6","6","8","1") = "9"
    & skf18("1","3","10","6","6","9","1") = "9"
    & skf18("1","3","10","6","6","10","1") = "9"
    & skf18("1","3","10","6","7","1","1") = "9"
    & skf18("1","3","10","6","7","2","1") = "9"
    & skf18("1","3","10","6","7","3","1") = "9"
    & skf18("1","3","10","6","7","4","1") = "9"
    & skf18("1","3","10","6","7","5","1") = "9"
    & skf18("1","3","10","6","7","6","1") = "9"
    & skf18("1","3","10","6","7","7","1") = "9"
    & skf18("1","3","10","6","7","8","1") = "9"
    & skf18("1","3","10","6","7","9","1") = "9"
    & skf18("1","3","10","6","7","10","1") = "9"
    & skf18("1","3","10","6","8","1","1") = "9"
    & skf18("1","3","10","6","8","2","1") = "9"
    & skf18("1","3","10","6","8","3","1") = "9"
    & skf18("1","3","10","6","8","4","1") = "9"
    & skf18("1","3","10","6","8","5","1") = "9"
    & skf18("1","3","10","6","8","6","1") = "9"
    & skf18("1","3","10","6","8","7","1") = "9"
    & skf18("1","3","10","6","8","8","1") = "9"
    & skf18("1","3","10","6","8","9","1") = "9"
    & skf18("1","3","10","6","8","10","1") = "9"
    & skf18("1","3","10","6","9","1","1") = "9"
    & skf18("1","3","10","6","9","2","1") = "9"
    & skf18("1","3","10","6","9","3","1") = "9"
    & skf18("1","3","10","6","9","4","1") = "9"
    & skf18("1","3","10","6","9","5","1") = "9"
    & skf18("1","3","10","6","9","6","1") = "9"
    & skf18("1","3","10","6","9","7","1") = "9"
    & skf18("1","3","10","6","9","8","1") = "9"
    & skf18("1","3","10","6","9","9","1") = "9"
    & skf18("1","3","10","6","9","10","1") = "9"
    & skf18("1","3","10","6","10","1","1") = "9"
    & skf18("1","3","10","6","10","2","1") = "9"
    & skf18("1","3","10","6","10","3","1") = "9"
    & skf18("1","3","10","6","10","4","1") = "9"
    & skf18("1","3","10","6","10","5","1") = "9"
    & skf18("1","3","10","6","10","6","1") = "9"
    & skf18("1","3","10","6","10","7","1") = "9"
    & skf18("1","3","10","6","10","8","1") = "9"
    & skf18("1","3","10","6","10","9","1") = "9"
    & skf18("1","3","10","6","10","10","1") = "9"
    & skf18("1","3","10","7","1","1","1") = "9"
    & skf18("1","3","10","7","1","2","1") = "9"
    & skf18("1","3","10","7","1","3","1") = "9"
    & skf18("1","3","10","7","1","4","1") = "9"
    & skf18("1","3","10","7","1","5","1") = "9"
    & skf18("1","3","10","7","1","6","1") = "9"
    & skf18("1","3","10","7","1","7","1") = "9"
    & skf18("1","3","10","7","1","8","1") = "9"
    & skf18("1","3","10","7","1","9","1") = "9"
    & skf18("1","3","10","7","1","10","1") = "9"
    & skf18("1","3","10","7","2","1","1") = "9"
    & skf18("1","3","10","7","2","2","1") = "9"
    & skf18("1","3","10","7","2","3","1") = "9"
    & skf18("1","3","10","7","2","4","1") = "9"
    & skf18("1","3","10","7","2","5","1") = "9"
    & skf18("1","3","10","7","2","6","1") = "9"
    & skf18("1","3","10","7","2","7","1") = "9"
    & skf18("1","3","10","7","2","8","1") = "9"
    & skf18("1","3","10","7","2","9","1") = "9"
    & skf18("1","3","10","7","2","10","1") = "9"
    & skf18("1","3","10","7","3","1","1") = "9"
    & skf18("1","3","10","7","3","2","1") = "9"
    & skf18("1","3","10","7","3","3","1") = "9"
    & skf18("1","3","10","7","3","4","1") = "9"
    & skf18("1","3","10","7","3","5","1") = "9"
    & skf18("1","3","10","7","3","6","1") = "9"
    & skf18("1","3","10","7","3","7","1") = "9"
    & skf18("1","3","10","7","3","8","1") = "9"
    & skf18("1","3","10","7","3","9","1") = "9"
    & skf18("1","3","10","7","3","10","1") = "9"
    & skf18("1","3","10","7","4","1","1") = "9"
    & skf18("1","3","10","7","4","2","1") = "9"
    & skf18("1","3","10","7","4","3","1") = "9"
    & skf18("1","3","10","7","4","4","1") = "9"
    & skf18("1","3","10","7","4","5","1") = "9"
    & skf18("1","3","10","7","4","6","1") = "9"
    & skf18("1","3","10","7","4","7","1") = "9"
    & skf18("1","3","10","7","4","8","1") = "9"
    & skf18("1","3","10","7","4","9","1") = "9"
    & skf18("1","3","10","7","4","10","1") = "9"
    & skf18("1","3","10","7","5","1","1") = "9"
    & skf18("1","3","10","7","5","2","1") = "9"
    & skf18("1","3","10","7","5","3","1") = "9"
    & skf18("1","3","10","7","5","4","1") = "9"
    & skf18("1","3","10","7","5","5","1") = "9"
    & skf18("1","3","10","7","5","6","1") = "9"
    & skf18("1","3","10","7","5","7","1") = "9"
    & skf18("1","3","10","7","5","8","1") = "9"
    & skf18("1","3","10","7","5","9","1") = "9"
    & skf18("1","3","10","7","5","10","1") = "9"
    & skf18("1","3","10","7","6","1","1") = "9"
    & skf18("1","3","10","7","6","2","1") = "9"
    & skf18("1","3","10","7","6","3","1") = "9"
    & skf18("1","3","10","7","6","4","1") = "9"
    & skf18("1","3","10","7","6","5","1") = "9"
    & skf18("1","3","10","7","6","6","1") = "9"
    & skf18("1","3","10","7","6","7","1") = "9"
    & skf18("1","3","10","7","6","8","1") = "9"
    & skf18("1","3","10","7","6","9","1") = "9"
    & skf18("1","3","10","7","6","10","1") = "9"
    & skf18("1","3","10","7","7","1","1") = "9"
    & skf18("1","3","10","7","7","2","1") = "9"
    & skf18("1","3","10","7","7","3","1") = "9"
    & skf18("1","3","10","7","7","4","1") = "9"
    & skf18("1","3","10","7","7","5","1") = "9"
    & skf18("1","3","10","7","7","6","1") = "9"
    & skf18("1","3","10","7","7","7","1") = "9"
    & skf18("1","3","10","7","7","8","1") = "9"
    & skf18("1","3","10","7","7","9","1") = "9"
    & skf18("1","3","10","7","7","10","1") = "9"
    & skf18("1","3","10","7","8","1","1") = "9"
    & skf18("1","3","10","7","8","2","1") = "9"
    & skf18("1","3","10","7","8","3","1") = "9"
    & skf18("1","3","10","7","8","4","1") = "9"
    & skf18("1","3","10","7","8","5","1") = "9"
    & skf18("1","3","10","7","8","6","1") = "9"
    & skf18("1","3","10","7","8","7","1") = "9"
    & skf18("1","3","10","7","8","8","1") = "9"
    & skf18("1","3","10","7","8","9","1") = "9"
    & skf18("1","3","10","7","8","10","1") = "9"
    & skf18("1","3","10","7","9","1","1") = "9"
    & skf18("1","3","10","7","9","2","1") = "9"
    & skf18("1","3","10","7","9","3","1") = "9"
    & skf18("1","3","10","7","9","4","1") = "9"
    & skf18("1","3","10","7","9","5","1") = "9"
    & skf18("1","3","10","7","9","6","1") = "9"
    & skf18("1","3","10","7","9","7","1") = "9"
    & skf18("1","3","10","7","9","8","1") = "9"
    & skf18("1","3","10","7","9","9","1") = "9"
    & skf18("1","3","10","7","9","10","1") = "9"
    & skf18("1","3","10","7","10","1","1") = "9"
    & skf18("1","3","10","7","10","2","1") = "9"
    & skf18("1","3","10","7","10","3","1") = "9"
    & skf18("1","3","10","7","10","4","1") = "9"
    & skf18("1","3","10","7","10","5","1") = "9"
    & skf18("1","3","10","7","10","6","1") = "9"
    & skf18("1","3","10","7","10","7","1") = "9"
    & skf18("1","3","10","7","10","8","1") = "9"
    & skf18("1","3","10","7","10","9","1") = "9"
    & skf18("1","3","10","7","10","10","1") = "9"
    & skf18("1","3","10","8","1","1","1") = "9"
    & skf18("1","3","10","8","1","2","1") = "9"
    & skf18("1","3","10","8","1","3","1") = "9"
    & skf18("1","3","10","8","1","4","1") = "9"
    & skf18("1","3","10","8","1","5","1") = "9"
    & skf18("1","3","10","8","1","6","1") = "9"
    & skf18("1","3","10","8","1","7","1") = "9"
    & skf18("1","3","10","8","1","8","1") = "9"
    & skf18("1","3","10","8","1","9","1") = "9"
    & skf18("1","3","10","8","1","10","1") = "9"
    & skf18("1","3","10","8","2","1","1") = "9"
    & skf18("1","3","10","8","2","2","1") = "9"
    & skf18("1","3","10","8","2","3","1") = "9"
    & skf18("1","3","10","8","2","4","1") = "9"
    & skf18("1","3","10","8","2","5","1") = "9"
    & skf18("1","3","10","8","2","6","1") = "9"
    & skf18("1","3","10","8","2","7","1") = "9"
    & skf18("1","3","10","8","2","8","1") = "9"
    & skf18("1","3","10","8","2","9","1") = "9"
    & skf18("1","3","10","8","2","10","1") = "9"
    & skf18("1","3","10","8","3","1","1") = "9"
    & skf18("1","3","10","8","3","2","1") = "9"
    & skf18("1","3","10","8","3","3","1") = "9"
    & skf18("1","3","10","8","3","4","1") = "9"
    & skf18("1","3","10","8","3","5","1") = "9"
    & skf18("1","3","10","8","3","6","1") = "9"
    & skf18("1","3","10","8","3","7","1") = "9"
    & skf18("1","3","10","8","3","8","1") = "9"
    & skf18("1","3","10","8","3","9","1") = "9"
    & skf18("1","3","10","8","3","10","1") = "9"
    & skf18("1","3","10","8","4","1","1") = "9"
    & skf18("1","3","10","8","4","2","1") = "9"
    & skf18("1","3","10","8","4","3","1") = "9"
    & skf18("1","3","10","8","4","4","1") = "9"
    & skf18("1","3","10","8","4","5","1") = "9"
    & skf18("1","3","10","8","4","6","1") = "9"
    & skf18("1","3","10","8","4","7","1") = "9"
    & skf18("1","3","10","8","4","8","1") = "9"
    & skf18("1","3","10","8","4","9","1") = "9"
    & skf18("1","3","10","8","4","10","1") = "9"
    & skf18("1","3","10","8","5","1","1") = "9"
    & skf18("1","3","10","8","5","2","1") = "9"
    & skf18("1","3","10","8","5","3","1") = "9"
    & skf18("1","3","10","8","5","4","1") = "9"
    & skf18("1","3","10","8","5","5","1") = "9"
    & skf18("1","3","10","8","5","6","1") = "9"
    & skf18("1","3","10","8","5","7","1") = "9"
    & skf18("1","3","10","8","5","8","1") = "9"
    & skf18("1","3","10","8","5","9","1") = "9"
    & skf18("1","3","10","8","5","10","1") = "9"
    & skf18("1","3","10","8","6","1","1") = "9"
    & skf18("1","3","10","8","6","2","1") = "9"
    & skf18("1","3","10","8","6","3","1") = "9"
    & skf18("1","3","10","8","6","4","1") = "9"
    & skf18("1","3","10","8","6","5","1") = "9"
    & skf18("1","3","10","8","6","6","1") = "9"
    & skf18("1","3","10","8","6","7","1") = "9"
    & skf18("1","3","10","8","6","8","1") = "9"
    & skf18("1","3","10","8","6","9","1") = "9"
    & skf18("1","3","10","8","6","10","1") = "9"
    & skf18("1","3","10","8","7","1","1") = "9"
    & skf18("1","3","10","8","7","2","1") = "9"
    & skf18("1","3","10","8","7","3","1") = "9"
    & skf18("1","3","10","8","7","4","1") = "9"
    & skf18("1","3","10","8","7","5","1") = "9"
    & skf18("1","3","10","8","7","6","1") = "9"
    & skf18("1","3","10","8","7","7","1") = "9"
    & skf18("1","3","10","8","7","8","1") = "9"
    & skf18("1","3","10","8","7","9","1") = "9"
    & skf18("1","3","10","8","7","10","1") = "9"
    & skf18("1","3","10","8","8","1","1") = "9"
    & skf18("1","3","10","8","8","2","1") = "9"
    & skf18("1","3","10","8","8","3","1") = "9"
    & skf18("1","3","10","8","8","4","1") = "9"
    & skf18("1","3","10","8","8","5","1") = "9"
    & skf18("1","3","10","8","8","6","1") = "9"
    & skf18("1","3","10","8","8","7","1") = "9"
    & skf18("1","3","10","8","8","8","1") = "9"
    & skf18("1","3","10","8","8","9","1") = "9"
    & skf18("1","3","10","8","8","10","1") = "9"
    & skf18("1","3","10","8","9","1","1") = "9"
    & skf18("1","3","10","8","9","2","1") = "9"
    & skf18("1","3","10","8","9","3","1") = "9"
    & skf18("1","3","10","8","9","4","1") = "9"
    & skf18("1","3","10","8","9","5","1") = "9"
    & skf18("1","3","10","8","9","6","1") = "9"
    & skf18("1","3","10","8","9","7","1") = "9"
    & skf18("1","3","10","8","9","8","1") = "9"
    & skf18("1","3","10","8","9","9","1") = "9"
    & skf18("1","3","10","8","9","10","1") = "9"
    & skf18("1","3","10","8","10","1","1") = "9"
    & skf18("1","3","10","8","10","2","1") = "9"
    & skf18("1","3","10","8","10","3","1") = "9"
    & skf18("1","3","10","8","10","4","1") = "9"
    & skf18("1","3","10","8","10","5","1") = "9"
    & skf18("1","3","10","8","10","6","1") = "9"
    & skf18("1","3","10","8","10","7","1") = "9"
    & skf18("1","3","10","8","10","8","1") = "9"
    & skf18("1","3","10","8","10","9","1") = "9"
    & skf18("1","3","10","8","10","10","1") = "9"
    & skf18("1","3","10","9","1","1","1") = "9"
    & skf18("1","3","10","9","1","2","1") = "9"
    & skf18("1","3","10","9","1","3","1") = "9"
    & skf18("1","3","10","9","1","4","1") = "9"
    & skf18("1","3","10","9","1","5","1") = "9"
    & skf18("1","3","10","9","1","6","1") = "9"
    & skf18("1","3","10","9","1","7","1") = "9"
    & skf18("1","3","10","9","1","8","1") = "9"
    & skf18("1","3","10","9","1","9","1") = "9"
    & skf18("1","3","10","9","1","10","1") = "9"
    & skf18("1","3","10","9","2","1","1") = "9"
    & skf18("1","3","10","9","2","2","1") = "9"
    & skf18("1","3","10","9","2","3","1") = "9"
    & skf18("1","3","10","9","2","4","1") = "9"
    & skf18("1","3","10","9","2","5","1") = "9"
    & skf18("1","3","10","9","2","6","1") = "9"
    & skf18("1","3","10","9","2","7","1") = "9"
    & skf18("1","3","10","9","2","8","1") = "9"
    & skf18("1","3","10","9","2","9","1") = "9"
    & skf18("1","3","10","9","2","10","1") = "9"
    & skf18("1","3","10","9","3","1","1") = "9"
    & skf18("1","3","10","9","3","2","1") = "9"
    & skf18("1","3","10","9","3","3","1") = "9"
    & skf18("1","3","10","9","3","4","1") = "9"
    & skf18("1","3","10","9","3","5","1") = "9"
    & skf18("1","3","10","9","3","6","1") = "9"
    & skf18("1","3","10","9","3","7","1") = "9"
    & skf18("1","3","10","9","3","8","1") = "9"
    & skf18("1","3","10","9","3","9","1") = "9"
    & skf18("1","3","10","9","3","10","1") = "9"
    & skf18("1","3","10","9","4","1","1") = "9"
    & skf18("1","3","10","9","4","2","1") = "9"
    & skf18("1","3","10","9","4","3","1") = "9"
    & skf18("1","3","10","9","4","4","1") = "9"
    & skf18("1","3","10","9","4","5","1") = "9"
    & skf18("1","3","10","9","4","6","1") = "9"
    & skf18("1","3","10","9","4","7","1") = "9"
    & skf18("1","3","10","9","4","8","1") = "9"
    & skf18("1","3","10","9","4","9","1") = "9"
    & skf18("1","3","10","9","4","10","1") = "9"
    & skf18("1","3","10","9","5","1","1") = "9"
    & skf18("1","3","10","9","5","2","1") = "9"
    & skf18("1","3","10","9","5","3","1") = "9"
    & skf18("1","3","10","9","5","4","1") = "9"
    & skf18("1","3","10","9","5","5","1") = "9"
    & skf18("1","3","10","9","5","6","1") = "9"
    & skf18("1","3","10","9","5","7","1") = "9"
    & skf18("1","3","10","9","5","8","1") = "9"
    & skf18("1","3","10","9","5","9","1") = "9"
    & skf18("1","3","10","9","5","10","1") = "9"
    & skf18("1","3","10","9","6","1","1") = "9"
    & skf18("1","3","10","9","6","2","1") = "9"
    & skf18("1","3","10","9","6","3","1") = "9"
    & skf18("1","3","10","9","6","4","1") = "9"
    & skf18("1","3","10","9","6","5","1") = "9"
    & skf18("1","3","10","9","6","6","1") = "9"
    & skf18("1","3","10","9","6","7","1") = "9"
    & skf18("1","3","10","9","6","8","1") = "9"
    & skf18("1","3","10","9","6","9","1") = "9"
    & skf18("1","3","10","9","6","10","1") = "9"
    & skf18("1","3","10","9","7","1","1") = "9"
    & skf18("1","3","10","9","7","2","1") = "9"
    & skf18("1","3","10","9","7","3","1") = "9"
    & skf18("1","3","10","9","7","4","1") = "9"
    & skf18("1","3","10","9","7","5","1") = "9"
    & skf18("1","3","10","9","7","6","1") = "9"
    & skf18("1","3","10","9","7","7","1") = "9"
    & skf18("1","3","10","9","7","8","1") = "9"
    & skf18("1","3","10","9","7","9","1") = "9"
    & skf18("1","3","10","9","7","10","1") = "9"
    & skf18("1","3","10","9","8","1","1") = "9"
    & skf18("1","3","10","9","8","2","1") = "9"
    & skf18("1","3","10","9","8","3","1") = "9"
    & skf18("1","3","10","9","8","4","1") = "9"
    & skf18("1","3","10","9","8","5","1") = "9"
    & skf18("1","3","10","9","8","6","1") = "9"
    & skf18("1","3","10","9","8","7","1") = "9"
    & skf18("1","3","10","9","8","8","1") = "9"
    & skf18("1","3","10","9","8","9","1") = "9"
    & skf18("1","3","10","9","8","10","1") = "9"
    & skf18("1","3","10","9","9","1","1") = "9"
    & skf18("1","3","10","9","9","2","1") = "9"
    & skf18("1","3","10","9","9","3","1") = "9"
    & skf18("1","3","10","9","9","4","1") = "9"
    & skf18("1","3","10","9","9","5","1") = "9"
    & skf18("1","3","10","9","9","6","1") = "9"
    & skf18("1","3","10","9","9","7","1") = "9"
    & skf18("1","3","10","9","9","8","1") = "9"
    & skf18("1","3","10","9","9","9","1") = "9"
    & skf18("1","3","10","9","9","10","1") = "9"
    & skf18("1","3","10","9","10","1","1") = "9"
    & skf18("1","3","10","9","10","2","1") = "9"
    & skf18("1","3","10","9","10","3","1") = "9"
    & skf18("1","3","10","9","10","4","1") = "9"
    & skf18("1","3","10","9","10","5","1") = "9"
    & skf18("1","3","10","9","10","6","1") = "9"
    & skf18("1","3","10","9","10","7","1") = "9"
    & skf18("1","3","10","9","10","8","1") = "9"
    & skf18("1","3","10","9","10","9","1") = "9"
    & skf18("1","3","10","9","10","10","1") = "9"
    & skf18("1","3","10","10","1","1","1") = "9"
    & skf18("1","3","10","10","1","2","1") = "9"
    & skf18("1","3","10","10","1","3","1") = "9"
    & skf18("1","3","10","10","1","4","1") = "9"
    & skf18("1","3","10","10","1","5","1") = "9"
    & skf18("1","3","10","10","1","6","1") = "9"
    & skf18("1","3","10","10","1","7","1") = "9"
    & skf18("1","3","10","10","1","8","1") = "9"
    & skf18("1","3","10","10","1","9","1") = "9"
    & skf18("1","3","10","10","1","10","1") = "9"
    & skf18("1","3","10","10","2","1","1") = "9"
    & skf18("1","3","10","10","2","2","1") = "9"
    & skf18("1","3","10","10","2","3","1") = "9"
    & skf18("1","3","10","10","2","4","1") = "9"
    & skf18("1","3","10","10","2","5","1") = "9"
    & skf18("1","3","10","10","2","6","1") = "9"
    & skf18("1","3","10","10","2","7","1") = "9"
    & skf18("1","3","10","10","2","8","1") = "9"
    & skf18("1","3","10","10","2","9","1") = "9"
    & skf18("1","3","10","10","2","10","1") = "9"
    & skf18("1","3","10","10","3","1","1") = "9"
    & skf18("1","3","10","10","3","2","1") = "9"
    & skf18("1","3","10","10","3","3","1") = "9"
    & skf18("1","3","10","10","3","4","1") = "9"
    & skf18("1","3","10","10","3","5","1") = "9"
    & skf18("1","3","10","10","3","6","1") = "9"
    & skf18("1","3","10","10","3","7","1") = "9"
    & skf18("1","3","10","10","3","8","1") = "9"
    & skf18("1","3","10","10","3","9","1") = "9"
    & skf18("1","3","10","10","3","10","1") = "9"
    & skf18("1","3","10","10","4","1","1") = "9"
    & skf18("1","3","10","10","4","2","1") = "9"
    & skf18("1","3","10","10","4","3","1") = "9"
    & skf18("1","3","10","10","4","4","1") = "9"
    & skf18("1","3","10","10","4","5","1") = "9"
    & skf18("1","3","10","10","4","6","1") = "9"
    & skf18("1","3","10","10","4","7","1") = "9"
    & skf18("1","3","10","10","4","8","1") = "9"
    & skf18("1","3","10","10","4","9","1") = "9"
    & skf18("1","3","10","10","4","10","1") = "9"
    & skf18("1","3","10","10","5","1","1") = "9"
    & skf18("1","3","10","10","5","2","1") = "9"
    & skf18("1","3","10","10","5","3","1") = "9"
    & skf18("1","3","10","10","5","4","1") = "9"
    & skf18("1","3","10","10","5","5","1") = "9"
    & skf18("1","3","10","10","5","6","1") = "9"
    & skf18("1","3","10","10","5","7","1") = "9"
    & skf18("1","3","10","10","5","8","1") = "9"
    & skf18("1","3","10","10","5","9","1") = "9"
    & skf18("1","3","10","10","5","10","1") = "9"
    & skf18("1","3","10","10","6","1","1") = "9"
    & skf18("1","3","10","10","6","2","1") = "9"
    & skf18("1","3","10","10","6","3","1") = "9"
    & skf18("1","3","10","10","6","4","1") = "9"
    & skf18("1","3","10","10","6","5","1") = "9"
    & skf18("1","3","10","10","6","6","1") = "9"
    & skf18("1","3","10","10","6","7","1") = "9"
    & skf18("1","3","10","10","6","8","1") = "9"
    & skf18("1","3","10","10","6","9","1") = "9"
    & skf18("1","3","10","10","6","10","1") = "9"
    & skf18("1","3","10","10","7","1","1") = "9"
    & skf18("1","3","10","10","7","2","1") = "9"
    & skf18("1","3","10","10","7","3","1") = "9"
    & skf18("1","3","10","10","7","4","1") = "9"
    & skf18("1","3","10","10","7","5","1") = "9"
    & skf18("1","3","10","10","7","6","1") = "9"
    & skf18("1","3","10","10","7","7","1") = "9"
    & skf18("1","3","10","10","7","8","1") = "9"
    & skf18("1","3","10","10","7","9","1") = "9"
    & skf18("1","3","10","10","7","10","1") = "9"
    & skf18("1","3","10","10","8","1","1") = "9"
    & skf18("1","3","10","10","8","2","1") = "9"
    & skf18("1","3","10","10","8","3","1") = "9"
    & skf18("1","3","10","10","8","4","1") = "9"
    & skf18("1","3","10","10","8","5","1") = "9"
    & skf18("1","3","10","10","8","6","1") = "9"
    & skf18("1","3","10","10","8","7","1") = "9"
    & skf18("1","3","10","10","8","8","1") = "9"
    & skf18("1","3","10","10","8","9","1") = "9"
    & skf18("1","3","10","10","8","10","1") = "9"
    & skf18("1","3","10","10","9","1","1") = "9"
    & skf18("1","3","10","10","9","2","1") = "9"
    & skf18("1","3","10","10","9","3","1") = "9"
    & skf18("1","3","10","10","9","4","1") = "9"
    & skf18("1","3","10","10","9","5","1") = "9"
    & skf18("1","3","10","10","9","6","1") = "9"
    & skf18("1","3","10","10","9","7","1") = "9"
    & skf18("1","3","10","10","9","8","1") = "9"
    & skf18("1","3","10","10","9","9","1") = "9"
    & skf18("1","3","10","10","9","10","1") = "9"
    & skf18("1","3","10","10","10","1","1") = "9"
    & skf18("1","3","10","10","10","2","1") = "9"
    & skf18("1","3","10","10","10","3","1") = "9"
    & skf18("1","3","10","10","10","4","1") = "9"
    & skf18("1","3","10","10","10","5","1") = "9"
    & skf18("1","3","10","10","10","6","1") = "9"
    & skf18("1","3","10","10","10","7","1") = "9"
    & skf18("1","3","10","10","10","8","1") = "9"
    & skf18("1","3","10","10","10","9","1") = "9"
    & skf18("1","3","10","10","10","10","1") = "9"
    & skf18("1","4","1","1","1","1","1") = "3"
    & skf18("1","4","1","1","1","2","1") = "3"
    & skf18("1","4","1","1","1","3","1") = "3"
    & skf18("1","4","1","1","1","4","1") = "3"
    & skf18("1","4","1","1","1","5","1") = "4"
    & skf18("1","4","1","1","1","6","1") = "5"
    & skf18("1","4","1","1","1","7","1") = "6"
    & skf18("1","4","1","1","1","8","1") = "7"
    & skf18("1","4","1","1","1","9","1") = "8"
    & skf18("1","4","1","1","1","10","1") = "9"
    & skf18("1","4","1","1","2","1","1") = "3"
    & skf18("1","4","1","1","2","2","1") = "3"
    & skf18("1","4","1","1","2","3","1") = "3"
    & skf18("1","4","1","1","2","4","1") = "3"
    & skf18("1","4","1","1","2","5","1") = "4"
    & skf18("1","4","1","1","2","6","1") = "5"
    & skf18("1","4","1","1","2","7","1") = "6"
    & skf18("1","4","1","1","2","8","1") = "7"
    & skf18("1","4","1","1","2","9","1") = "8"
    & skf18("1","4","1","1","2","10","1") = "9"
    & skf18("1","4","1","1","3","1","1") = "3"
    & skf18("1","4","1","1","3","2","1") = "3"
    & skf18("1","4","1","1","3","3","1") = "3"
    & skf18("1","4","1","1","3","4","1") = "3"
    & skf18("1","4","1","1","3","5","1") = "4"
    & skf18("1","4","1","1","3","6","1") = "5"
    & skf18("1","4","1","1","3","7","1") = "6"
    & skf18("1","4","1","1","3","8","1") = "7"
    & skf18("1","4","1","1","3","9","1") = "8"
    & skf18("1","4","1","1","3","10","1") = "9"
    & skf18("1","4","1","1","4","1","1") = "3"
    & skf18("1","4","1","1","4","2","1") = "3"
    & skf18("1","4","1","1","4","3","1") = "3"
    & skf18("1","4","1","1","4","4","1") = "3"
    & skf18("1","4","1","1","4","5","1") = "4"
    & skf18("1","4","1","1","4","6","1") = "5"
    & skf18("1","4","1","1","4","7","1") = "6"
    & skf18("1","4","1","1","4","8","1") = "7"
    & skf18("1","4","1","1","4","9","1") = "8"
    & skf18("1","4","1","1","4","10","1") = "9"
    & skf18("1","4","1","1","5","1","1") = "4"
    & skf18("1","4","1","1","5","2","1") = "4"
    & skf18("1","4","1","1","5","3","1") = "4"
    & skf18("1","4","1","1","5","4","1") = "4"
    & skf18("1","4","1","1","5","5","1") = "4"
    & skf18("1","4","1","1","5","6","1") = "5"
    & skf18("1","4","1","1","5","7","1") = "6"
    & skf18("1","4","1","1","5","8","1") = "7"
    & skf18("1","4","1","1","5","9","1") = "8"
    & skf18("1","4","1","1","5","10","1") = "9"
    & skf18("1","4","1","1","6","1","1") = "5"
    & skf18("1","4","1","1","6","2","1") = "5"
    & skf18("1","4","1","1","6","3","1") = "5"
    & skf18("1","4","1","1","6","4","1") = "5"
    & skf18("1","4","1","1","6","5","1") = "5"
    & skf18("1","4","1","1","6","6","1") = "5"
    & skf18("1","4","1","1","6","7","1") = "6"
    & skf18("1","4","1","1","6","8","1") = "7"
    & skf18("1","4","1","1","6","9","1") = "8"
    & skf18("1","4","1","1","6","10","1") = "9"
    & skf18("1","4","1","1","7","1","1") = "6"
    & skf18("1","4","1","1","7","2","1") = "6"
    & skf18("1","4","1","1","7","3","1") = "6"
    & skf18("1","4","1","1","7","4","1") = "6"
    & skf18("1","4","1","1","7","5","1") = "6"
    & skf18("1","4","1","1","7","6","1") = "6"
    & skf18("1","4","1","1","7","7","1") = "6"
    & skf18("1","4","1","1","7","8","1") = "7"
    & skf18("1","4","1","1","7","9","1") = "8"
    & skf18("1","4","1","1","7","10","1") = "9"
    & skf18("1","4","1","1","8","1","1") = "7"
    & skf18("1","4","1","1","8","2","1") = "7"
    & skf18("1","4","1","1","8","3","1") = "7"
    & skf18("1","4","1","1","8","4","1") = "7"
    & skf18("1","4","1","1","8","5","1") = "7"
    & skf18("1","4","1","1","8","6","1") = "7"
    & skf18("1","4","1","1","8","7","1") = "7"
    & skf18("1","4","1","1","8","8","1") = "7"
    & skf18("1","4","1","1","8","9","1") = "8"
    & skf18("1","4","1","1","8","10","1") = "9"
    & skf18("1","4","1","1","9","1","1") = "8"
    & skf18("1","4","1","1","9","2","1") = "8"
    & skf18("1","4","1","1","9","3","1") = "8"
    & skf18("1","4","1","1","9","4","1") = "8"
    & skf18("1","4","1","1","9","5","1") = "8"
    & skf18("1","4","1","1","9","6","1") = "8"
    & skf18("1","4","1","1","9","7","1") = "8"
    & skf18("1","4","1","1","9","8","1") = "8"
    & skf18("1","4","1","1","9","9","1") = "8"
    & skf18("1","4","1","1","9","10","1") = "9"
    & skf18("1","4","1","1","10","1","1") = "9"
    & skf18("1","4","1","1","10","2","1") = "9"
    & skf18("1","4","1","1","10","3","1") = "9"
    & skf18("1","4","1","1","10","4","1") = "9"
    & skf18("1","4","1","1","10","5","1") = "9"
    & skf18("1","4","1","1","10","6","1") = "9"
    & skf18("1","4","1","1","10","7","1") = "9"
    & skf18("1","4","1","1","10","8","1") = "9"
    & skf18("1","4","1","1","10","9","1") = "9"
    & skf18("1","4","1","1","10","10","1") = "9"
    & skf18("1","4","1","2","1","1","1") = "3"
    & skf18("1","4","1","2","1","2","1") = "3"
    & skf18("1","4","1","2","1","3","1") = "3"
    & skf18("1","4","1","2","1","4","1") = "3"
    & skf18("1","4","1","2","1","5","1") = "4"
    & skf18("1","4","1","2","1","6","1") = "5"
    & skf18("1","4","1","2","1","7","1") = "6"
    & skf18("1","4","1","2","1","8","1") = "7"
    & skf18("1","4","1","2","1","9","1") = "8"
    & skf18("1","4","1","2","1","10","1") = "9"
    & skf18("1","4","1","2","2","1","1") = "3"
    & skf18("1","4","1","2","2","2","1") = "3"
    & skf18("1","4","1","2","2","3","1") = "3"
    & skf18("1","4","1","2","2","4","1") = "3"
    & skf18("1","4","1","2","2","5","1") = "4"
    & skf18("1","4","1","2","2","6","1") = "5"
    & skf18("1","4","1","2","2","7","1") = "6"
    & skf18("1","4","1","2","2","8","1") = "7"
    & skf18("1","4","1","2","2","9","1") = "8"
    & skf18("1","4","1","2","2","10","1") = "9"
    & skf18("1","4","1","2","3","1","1") = "3"
    & skf18("1","4","1","2","3","2","1") = "3"
    & skf18("1","4","1","2","3","3","1") = "3"
    & skf18("1","4","1","2","3","4","1") = "3"
    & skf18("1","4","1","2","3","5","1") = "4"
    & skf18("1","4","1","2","3","6","1") = "5"
    & skf18("1","4","1","2","3","7","1") = "6"
    & skf18("1","4","1","2","3","8","1") = "7"
    & skf18("1","4","1","2","3","9","1") = "8"
    & skf18("1","4","1","2","3","10","1") = "9"
    & skf18("1","4","1","2","4","1","1") = "3"
    & skf18("1","4","1","2","4","2","1") = "3"
    & skf18("1","4","1","2","4","3","1") = "3"
    & skf18("1","4","1","2","4","4","1") = "3"
    & skf18("1","4","1","2","4","5","1") = "4"
    & skf18("1","4","1","2","4","6","1") = "5"
    & skf18("1","4","1","2","4","7","1") = "6"
    & skf18("1","4","1","2","4","8","1") = "7"
    & skf18("1","4","1","2","4","9","1") = "8"
    & skf18("1","4","1","2","4","10","1") = "9"
    & skf18("1","4","1","2","5","1","1") = "4"
    & skf18("1","4","1","2","5","2","1") = "4"
    & skf18("1","4","1","2","5","3","1") = "4"
    & skf18("1","4","1","2","5","4","1") = "4"
    & skf18("1","4","1","2","5","5","1") = "4"
    & skf18("1","4","1","2","5","6","1") = "5"
    & skf18("1","4","1","2","5","7","1") = "6"
    & skf18("1","4","1","2","5","8","1") = "7"
    & skf18("1","4","1","2","5","9","1") = "8"
    & skf18("1","4","1","2","5","10","1") = "9"
    & skf18("1","4","1","2","6","1","1") = "5"
    & skf18("1","4","1","2","6","2","1") = "5"
    & skf18("1","4","1","2","6","3","1") = "5"
    & skf18("1","4","1","2","6","4","1") = "5"
    & skf18("1","4","1","2","6","5","1") = "5"
    & skf18("1","4","1","2","6","6","1") = "5"
    & skf18("1","4","1","2","6","7","1") = "6"
    & skf18("1","4","1","2","6","8","1") = "7"
    & skf18("1","4","1","2","6","9","1") = "8"
    & skf18("1","4","1","2","6","10","1") = "9"
    & skf18("1","4","1","2","7","1","1") = "6"
    & skf18("1","4","1","2","7","2","1") = "6"
    & skf18("1","4","1","2","7","3","1") = "6"
    & skf18("1","4","1","2","7","4","1") = "6"
    & skf18("1","4","1","2","7","5","1") = "6"
    & skf18("1","4","1","2","7","6","1") = "6"
    & skf18("1","4","1","2","7","7","1") = "6"
    & skf18("1","4","1","2","7","8","1") = "7"
    & skf18("1","4","1","2","7","9","1") = "8"
    & skf18("1","4","1","2","7","10","1") = "9"
    & skf18("1","4","1","2","8","1","1") = "7"
    & skf18("1","4","1","2","8","2","1") = "7"
    & skf18("1","4","1","2","8","3","1") = "7"
    & skf18("1","4","1","2","8","4","1") = "7"
    & skf18("1","4","1","2","8","5","1") = "7"
    & skf18("1","4","1","2","8","6","1") = "7"
    & skf18("1","4","1","2","8","7","1") = "7"
    & skf18("1","4","1","2","8","8","1") = "7"
    & skf18("1","4","1","2","8","9","1") = "8"
    & skf18("1","4","1","2","8","10","1") = "9"
    & skf18("1","4","1","2","9","1","1") = "8"
    & skf18("1","4","1","2","9","2","1") = "8"
    & skf18("1","4","1","2","9","3","1") = "8"
    & skf18("1","4","1","2","9","4","1") = "8"
    & skf18("1","4","1","2","9","5","1") = "8"
    & skf18("1","4","1","2","9","6","1") = "8"
    & skf18("1","4","1","2","9","7","1") = "8"
    & skf18("1","4","1","2","9","8","1") = "8"
    & skf18("1","4","1","2","9","9","1") = "8"
    & skf18("1","4","1","2","9","10","1") = "9"
    & skf18("1","4","1","2","10","1","1") = "9"
    & skf18("1","4","1","2","10","2","1") = "9"
    & skf18("1","4","1","2","10","3","1") = "9"
    & skf18("1","4","1","2","10","4","1") = "9"
    & skf18("1","4","1","2","10","5","1") = "9"
    & skf18("1","4","1","2","10","6","1") = "9"
    & skf18("1","4","1","2","10","7","1") = "9"
    & skf18("1","4","1","2","10","8","1") = "9"
    & skf18("1","4","1","2","10","9","1") = "9"
    & skf18("1","4","1","2","10","10","1") = "9"
    & skf18("1","4","1","3","1","1","1") = "3"
    & skf18("1","4","1","3","1","2","1") = "3"
    & skf18("1","4","1","3","1","3","1") = "3"
    & skf18("1","4","1","3","1","4","1") = "3"
    & skf18("1","4","1","3","1","5","1") = "4"
    & skf18("1","4","1","3","1","6","1") = "5"
    & skf18("1","4","1","3","1","7","1") = "6"
    & skf18("1","4","1","3","1","8","1") = "7"
    & skf18("1","4","1","3","1","9","1") = "8"
    & skf18("1","4","1","3","1","10","1") = "9"
    & skf18("1","4","1","3","2","1","1") = "3"
    & skf18("1","4","1","3","2","2","1") = "3"
    & skf18("1","4","1","3","2","3","1") = "3"
    & skf18("1","4","1","3","2","4","1") = "3"
    & skf18("1","4","1","3","2","5","1") = "4"
    & skf18("1","4","1","3","2","6","1") = "5"
    & skf18("1","4","1","3","2","7","1") = "6"
    & skf18("1","4","1","3","2","8","1") = "7"
    & skf18("1","4","1","3","2","9","1") = "8"
    & skf18("1","4","1","3","2","10","1") = "9"
    & skf18("1","4","1","3","3","1","1") = "3"
    & skf18("1","4","1","3","3","2","1") = "3"
    & skf18("1","4","1","3","3","3","1") = "3"
    & skf18("1","4","1","3","3","4","1") = "3"
    & skf18("1","4","1","3","3","5","1") = "4"
    & skf18("1","4","1","3","3","6","1") = "5"
    & skf18("1","4","1","3","3","7","1") = "6"
    & skf18("1","4","1","3","3","8","1") = "7"
    & skf18("1","4","1","3","3","9","1") = "8"
    & skf18("1","4","1","3","3","10","1") = "9"
    & skf18("1","4","1","3","4","1","1") = "3"
    & skf18("1","4","1","3","4","2","1") = "3"
    & skf18("1","4","1","3","4","3","1") = "3"
    & skf18("1","4","1","3","4","4","1") = "3"
    & skf18("1","4","1","3","4","5","1") = "4"
    & skf18("1","4","1","3","4","6","1") = "5"
    & skf18("1","4","1","3","4","7","1") = "6"
    & skf18("1","4","1","3","4","8","1") = "7"
    & skf18("1","4","1","3","4","9","1") = "8"
    & skf18("1","4","1","3","4","10","1") = "9"
    & skf18("1","4","1","3","5","1","1") = "4"
    & skf18("1","4","1","3","5","2","1") = "4"
    & skf18("1","4","1","3","5","3","1") = "4"
    & skf18("1","4","1","3","5","4","1") = "4"
    & skf18("1","4","1","3","5","5","1") = "4"
    & skf18("1","4","1","3","5","6","1") = "5"
    & skf18("1","4","1","3","5","7","1") = "6"
    & skf18("1","4","1","3","5","8","1") = "7"
    & skf18("1","4","1","3","5","9","1") = "8"
    & skf18("1","4","1","3","5","10","1") = "9"
    & skf18("1","4","1","3","6","1","1") = "5"
    & skf18("1","4","1","3","6","2","1") = "5"
    & skf18("1","4","1","3","6","3","1") = "5"
    & skf18("1","4","1","3","6","4","1") = "5"
    & skf18("1","4","1","3","6","5","1") = "5"
    & skf18("1","4","1","3","6","6","1") = "5"
    & skf18("1","4","1","3","6","7","1") = "6"
    & skf18("1","4","1","3","6","8","1") = "7"
    & skf18("1","4","1","3","6","9","1") = "8"
    & skf18("1","4","1","3","6","10","1") = "9"
    & skf18("1","4","1","3","7","1","1") = "6"
    & skf18("1","4","1","3","7","2","1") = "6"
    & skf18("1","4","1","3","7","3","1") = "6"
    & skf18("1","4","1","3","7","4","1") = "6"
    & skf18("1","4","1","3","7","5","1") = "6"
    & skf18("1","4","1","3","7","6","1") = "6"
    & skf18("1","4","1","3","7","7","1") = "6"
    & skf18("1","4","1","3","7","8","1") = "7"
    & skf18("1","4","1","3","7","9","1") = "8"
    & skf18("1","4","1","3","7","10","1") = "9"
    & skf18("1","4","1","3","8","1","1") = "7"
    & skf18("1","4","1","3","8","2","1") = "7"
    & skf18("1","4","1","3","8","3","1") = "7"
    & skf18("1","4","1","3","8","4","1") = "7"
    & skf18("1","4","1","3","8","5","1") = "7"
    & skf18("1","4","1","3","8","6","1") = "7"
    & skf18("1","4","1","3","8","7","1") = "7"
    & skf18("1","4","1","3","8","8","1") = "7"
    & skf18("1","4","1","3","8","9","1") = "8"
    & skf18("1","4","1","3","8","10","1") = "9"
    & skf18("1","4","1","3","9","1","1") = "8"
    & skf18("1","4","1","3","9","2","1") = "8"
    & skf18("1","4","1","3","9","3","1") = "8"
    & skf18("1","4","1","3","9","4","1") = "8"
    & skf18("1","4","1","3","9","5","1") = "8"
    & skf18("1","4","1","3","9","6","1") = "8"
    & skf18("1","4","1","3","9","7","1") = "8"
    & skf18("1","4","1","3","9","8","1") = "8"
    & skf18("1","4","1","3","9","9","1") = "8"
    & skf18("1","4","1","3","9","10","1") = "9"
    & skf18("1","4","1","3","10","1","1") = "9"
    & skf18("1","4","1","3","10","2","1") = "9"
    & skf18("1","4","1","3","10","3","1") = "9"
    & skf18("1","4","1","3","10","4","1") = "9"
    & skf18("1","4","1","3","10","5","1") = "9"
    & skf18("1","4","1","3","10","6","1") = "9"
    & skf18("1","4","1","3","10","7","1") = "9"
    & skf18("1","4","1","3","10","8","1") = "9"
    & skf18("1","4","1","3","10","9","1") = "9"
    & skf18("1","4","1","3","10","10","1") = "9"
    & skf18("1","4","1","4","1","1","1") = "3"
    & skf18("1","4","1","4","1","2","1") = "3"
    & skf18("1","4","1","4","1","3","1") = "3"
    & skf18("1","4","1","4","1","4","1") = "3"
    & skf18("1","4","1","4","1","5","1") = "4"
    & skf18("1","4","1","4","1","6","1") = "5"
    & skf18("1","4","1","4","1","7","1") = "6"
    & skf18("1","4","1","4","1","8","1") = "7"
    & skf18("1","4","1","4","1","9","1") = "8"
    & skf18("1","4","1","4","1","10","1") = "9"
    & skf18("1","4","1","4","2","1","1") = "3"
    & skf18("1","4","1","4","2","2","1") = "3"
    & skf18("1","4","1","4","2","3","1") = "3"
    & skf18("1","4","1","4","2","4","1") = "3"
    & skf18("1","4","1","4","2","5","1") = "4"
    & skf18("1","4","1","4","2","6","1") = "5"
    & skf18("1","4","1","4","2","7","1") = "6"
    & skf18("1","4","1","4","2","8","1") = "7"
    & skf18("1","4","1","4","2","9","1") = "8"
    & skf18("1","4","1","4","2","10","1") = "9"
    & skf18("1","4","1","4","3","1","1") = "3"
    & skf18("1","4","1","4","3","2","1") = "3"
    & skf18("1","4","1","4","3","3","1") = "3"
    & skf18("1","4","1","4","3","4","1") = "3"
    & skf18("1","4","1","4","3","5","1") = "4"
    & skf18("1","4","1","4","3","6","1") = "5"
    & skf18("1","4","1","4","3","7","1") = "6"
    & skf18("1","4","1","4","3","8","1") = "7"
    & skf18("1","4","1","4","3","9","1") = "8"
    & skf18("1","4","1","4","3","10","1") = "9"
    & skf18("1","4","1","4","4","1","1") = "3"
    & skf18("1","4","1","4","4","2","1") = "3"
    & skf18("1","4","1","4","4","3","1") = "3"
    & skf18("1","4","1","4","4","4","1") = "3"
    & skf18("1","4","1","4","4","5","1") = "4"
    & skf18("1","4","1","4","4","6","1") = "5"
    & skf18("1","4","1","4","4","7","1") = "6"
    & skf18("1","4","1","4","4","8","1") = "7"
    & skf18("1","4","1","4","4","9","1") = "8"
    & skf18("1","4","1","4","4","10","1") = "9"
    & skf18("1","4","1","4","5","1","1") = "4"
    & skf18("1","4","1","4","5","2","1") = "4"
    & skf18("1","4","1","4","5","3","1") = "4"
    & skf18("1","4","1","4","5","4","1") = "4"
    & skf18("1","4","1","4","5","5","1") = "4"
    & skf18("1","4","1","4","5","6","1") = "5"
    & skf18("1","4","1","4","5","7","1") = "6"
    & skf18("1","4","1","4","5","8","1") = "7"
    & skf18("1","4","1","4","5","9","1") = "8"
    & skf18("1","4","1","4","5","10","1") = "9"
    & skf18("1","4","1","4","6","1","1") = "5"
    & skf18("1","4","1","4","6","2","1") = "5"
    & skf18("1","4","1","4","6","3","1") = "5"
    & skf18("1","4","1","4","6","4","1") = "5"
    & skf18("1","4","1","4","6","5","1") = "5"
    & skf18("1","4","1","4","6","6","1") = "5"
    & skf18("1","4","1","4","6","7","1") = "6"
    & skf18("1","4","1","4","6","8","1") = "7"
    & skf18("1","4","1","4","6","9","1") = "8"
    & skf18("1","4","1","4","6","10","1") = "9"
    & skf18("1","4","1","4","7","1","1") = "6"
    & skf18("1","4","1","4","7","2","1") = "6"
    & skf18("1","4","1","4","7","3","1") = "6"
    & skf18("1","4","1","4","7","4","1") = "6"
    & skf18("1","4","1","4","7","5","1") = "6"
    & skf18("1","4","1","4","7","6","1") = "6"
    & skf18("1","4","1","4","7","7","1") = "6"
    & skf18("1","4","1","4","7","8","1") = "7"
    & skf18("1","4","1","4","7","9","1") = "8"
    & skf18("1","4","1","4","7","10","1") = "9"
    & skf18("1","4","1","4","8","1","1") = "7"
    & skf18("1","4","1","4","8","2","1") = "7"
    & skf18("1","4","1","4","8","3","1") = "7"
    & skf18("1","4","1","4","8","4","1") = "7"
    & skf18("1","4","1","4","8","5","1") = "7"
    & skf18("1","4","1","4","8","6","1") = "7"
    & skf18("1","4","1","4","8","7","1") = "7"
    & skf18("1","4","1","4","8","8","1") = "7"
    & skf18("1","4","1","4","8","9","1") = "8"
    & skf18("1","4","1","4","8","10","1") = "9"
    & skf18("1","4","1","4","9","1","1") = "8"
    & skf18("1","4","1","4","9","2","1") = "8"
    & skf18("1","4","1","4","9","3","1") = "8"
    & skf18("1","4","1","4","9","4","1") = "8"
    & skf18("1","4","1","4","9","5","1") = "8"
    & skf18("1","4","1","4","9","6","1") = "8"
    & skf18("1","4","1","4","9","7","1") = "8"
    & skf18("1","4","1","4","9","8","1") = "8"
    & skf18("1","4","1","4","9","9","1") = "8"
    & skf18("1","4","1","4","9","10","1") = "9"
    & skf18("1","4","1","4","10","1","1") = "9"
    & skf18("1","4","1","4","10","2","1") = "9"
    & skf18("1","4","1","4","10","3","1") = "9"
    & skf18("1","4","1","4","10","4","1") = "9"
    & skf18("1","4","1","4","10","5","1") = "9"
    & skf18("1","4","1","4","10","6","1") = "9"
    & skf18("1","4","1","4","10","7","1") = "9"
    & skf18("1","4","1","4","10","8","1") = "9"
    & skf18("1","4","1","4","10","9","1") = "9"
    & skf18("1","4","1","4","10","10","1") = "9"
    & skf18("1","4","1","5","1","1","1") = "4"
    & skf18("1","4","1","5","1","2","1") = "4"
    & skf18("1","4","1","5","1","3","1") = "4"
    & skf18("1","4","1","5","1","4","1") = "4"
    & skf18("1","4","1","5","1","5","1") = "4"
    & skf18("1","4","1","5","1","6","1") = "5"
    & skf18("1","4","1","5","1","7","1") = "6"
    & skf18("1","4","1","5","1","8","1") = "7"
    & skf18("1","4","1","5","1","9","1") = "8"
    & skf18("1","4","1","5","1","10","1") = "9"
    & skf18("1","4","1","5","2","1","1") = "4"
    & skf18("1","4","1","5","2","2","1") = "4"
    & skf18("1","4","1","5","2","3","1") = "4"
    & skf18("1","4","1","5","2","4","1") = "4"
    & skf18("1","4","1","5","2","5","1") = "4"
    & skf18("1","4","1","5","2","6","1") = "5"
    & skf18("1","4","1","5","2","7","1") = "6"
    & skf18("1","4","1","5","2","8","1") = "7"
    & skf18("1","4","1","5","2","9","1") = "8"
    & skf18("1","4","1","5","2","10","1") = "9"
    & skf18("1","4","1","5","3","1","1") = "4"
    & skf18("1","4","1","5","3","2","1") = "4"
    & skf18("1","4","1","5","3","3","1") = "4"
    & skf18("1","4","1","5","3","4","1") = "4"
    & skf18("1","4","1","5","3","5","1") = "4"
    & skf18("1","4","1","5","3","6","1") = "5"
    & skf18("1","4","1","5","3","7","1") = "6"
    & skf18("1","4","1","5","3","8","1") = "7"
    & skf18("1","4","1","5","3","9","1") = "8"
    & skf18("1","4","1","5","3","10","1") = "9"
    & skf18("1","4","1","5","4","1","1") = "4"
    & skf18("1","4","1","5","4","2","1") = "4"
    & skf18("1","4","1","5","4","3","1") = "4"
    & skf18("1","4","1","5","4","4","1") = "4"
    & skf18("1","4","1","5","4","5","1") = "4"
    & skf18("1","4","1","5","4","6","1") = "5"
    & skf18("1","4","1","5","4","7","1") = "6"
    & skf18("1","4","1","5","4","8","1") = "7"
    & skf18("1","4","1","5","4","9","1") = "8"
    & skf18("1","4","1","5","4","10","1") = "9"
    & skf18("1","4","1","5","5","1","1") = "4"
    & skf18("1","4","1","5","5","2","1") = "4"
    & skf18("1","4","1","5","5","3","1") = "4"
    & skf18("1","4","1","5","5","4","1") = "4"
    & skf18("1","4","1","5","5","5","1") = "4"
    & skf18("1","4","1","5","5","6","1") = "5"
    & skf18("1","4","1","5","5","7","1") = "6"
    & skf18("1","4","1","5","5","8","1") = "7"
    & skf18("1","4","1","5","5","9","1") = "8"
    & skf18("1","4","1","5","5","10","1") = "9"
    & skf18("1","4","1","5","6","1","1") = "5"
    & skf18("1","4","1","5","6","2","1") = "5"
    & skf18("1","4","1","5","6","3","1") = "5"
    & skf18("1","4","1","5","6","4","1") = "5"
    & skf18("1","4","1","5","6","5","1") = "5"
    & skf18("1","4","1","5","6","6","1") = "5"
    & skf18("1","4","1","5","6","7","1") = "6"
    & skf18("1","4","1","5","6","8","1") = "7"
    & skf18("1","4","1","5","6","9","1") = "8"
    & skf18("1","4","1","5","6","10","1") = "9"
    & skf18("1","4","1","5","7","1","1") = "6"
    & skf18("1","4","1","5","7","2","1") = "6"
    & skf18("1","4","1","5","7","3","1") = "6"
    & skf18("1","4","1","5","7","4","1") = "6"
    & skf18("1","4","1","5","7","5","1") = "6"
    & skf18("1","4","1","5","7","6","1") = "6"
    & skf18("1","4","1","5","7","7","1") = "6"
    & skf18("1","4","1","5","7","8","1") = "7"
    & skf18("1","4","1","5","7","9","1") = "8"
    & skf18("1","4","1","5","7","10","1") = "9"
    & skf18("1","4","1","5","8","1","1") = "7"
    & skf18("1","4","1","5","8","2","1") = "7"
    & skf18("1","4","1","5","8","3","1") = "7"
    & skf18("1","4","1","5","8","4","1") = "7"
    & skf18("1","4","1","5","8","5","1") = "7"
    & skf18("1","4","1","5","8","6","1") = "7"
    & skf18("1","4","1","5","8","7","1") = "7"
    & skf18("1","4","1","5","8","8","1") = "7"
    & skf18("1","4","1","5","8","9","1") = "8"
    & skf18("1","4","1","5","8","10","1") = "9"
    & skf18("1","4","1","5","9","1","1") = "8"
    & skf18("1","4","1","5","9","2","1") = "8"
    & skf18("1","4","1","5","9","3","1") = "8"
    & skf18("1","4","1","5","9","4","1") = "8"
    & skf18("1","4","1","5","9","5","1") = "8"
    & skf18("1","4","1","5","9","6","1") = "8"
    & skf18("1","4","1","5","9","7","1") = "8"
    & skf18("1","4","1","5","9","8","1") = "8"
    & skf18("1","4","1","5","9","9","1") = "8"
    & skf18("1","4","1","5","9","10","1") = "9"
    & skf18("1","4","1","5","10","1","1") = "9"
    & skf18("1","4","1","5","10","2","1") = "9"
    & skf18("1","4","1","5","10","3","1") = "9"
    & skf18("1","4","1","5","10","4","1") = "9"
    & skf18("1","4","1","5","10","5","1") = "9"
    & skf18("1","4","1","5","10","6","1") = "9"
    & skf18("1","4","1","5","10","7","1") = "9"
    & skf18("1","4","1","5","10","8","1") = "9"
    & skf18("1","4","1","5","10","9","1") = "9"
    & skf18("1","4","1","5","10","10","1") = "9"
    & skf18("1","4","1","6","1","1","1") = "5"
    & skf18("1","4","1","6","1","2","1") = "5"
    & skf18("1","4","1","6","1","3","1") = "5"
    & skf18("1","4","1","6","1","4","1") = "5"
    & skf18("1","4","1","6","1","5","1") = "5"
    & skf18("1","4","1","6","1","6","1") = "5"
    & skf18("1","4","1","6","1","7","1") = "6"
    & skf18("1","4","1","6","1","8","1") = "7"
    & skf18("1","4","1","6","1","9","1") = "8"
    & skf18("1","4","1","6","1","10","1") = "9"
    & skf18("1","4","1","6","2","1","1") = "5"
    & skf18("1","4","1","6","2","2","1") = "5"
    & skf18("1","4","1","6","2","3","1") = "5"
    & skf18("1","4","1","6","2","4","1") = "5"
    & skf18("1","4","1","6","2","5","1") = "5"
    & skf18("1","4","1","6","2","6","1") = "5"
    & skf18("1","4","1","6","2","7","1") = "6"
    & skf18("1","4","1","6","2","8","1") = "7"
    & skf18("1","4","1","6","2","9","1") = "8"
    & skf18("1","4","1","6","2","10","1") = "9"
    & skf18("1","4","1","6","3","1","1") = "5"
    & skf18("1","4","1","6","3","2","1") = "5"
    & skf18("1","4","1","6","3","3","1") = "5"
    & skf18("1","4","1","6","3","4","1") = "5"
    & skf18("1","4","1","6","3","5","1") = "5"
    & skf18("1","4","1","6","3","6","1") = "5"
    & skf18("1","4","1","6","3","7","1") = "6"
    & skf18("1","4","1","6","3","8","1") = "7"
    & skf18("1","4","1","6","3","9","1") = "8"
    & skf18("1","4","1","6","3","10","1") = "9"
    & skf18("1","4","1","6","4","1","1") = "5"
    & skf18("1","4","1","6","4","2","1") = "5"
    & skf18("1","4","1","6","4","3","1") = "5"
    & skf18("1","4","1","6","4","4","1") = "5"
    & skf18("1","4","1","6","4","5","1") = "5"
    & skf18("1","4","1","6","4","6","1") = "5"
    & skf18("1","4","1","6","4","7","1") = "6"
    & skf18("1","4","1","6","4","8","1") = "7"
    & skf18("1","4","1","6","4","9","1") = "8"
    & skf18("1","4","1","6","4","10","1") = "9"
    & skf18("1","4","1","6","5","1","1") = "5"
    & skf18("1","4","1","6","5","2","1") = "5"
    & skf18("1","4","1","6","5","3","1") = "5"
    & skf18("1","4","1","6","5","4","1") = "5"
    & skf18("1","4","1","6","5","5","1") = "5"
    & skf18("1","4","1","6","5","6","1") = "5"
    & skf18("1","4","1","6","5","7","1") = "6"
    & skf18("1","4","1","6","5","8","1") = "7"
    & skf18("1","4","1","6","5","9","1") = "8"
    & skf18("1","4","1","6","5","10","1") = "9"
    & skf18("1","4","1","6","6","1","1") = "5"
    & skf18("1","4","1","6","6","2","1") = "5"
    & skf18("1","4","1","6","6","3","1") = "5"
    & skf18("1","4","1","6","6","4","1") = "5"
    & skf18("1","4","1","6","6","5","1") = "5"
    & skf18("1","4","1","6","6","6","1") = "5"
    & skf18("1","4","1","6","6","7","1") = "6"
    & skf18("1","4","1","6","6","8","1") = "7"
    & skf18("1","4","1","6","6","9","1") = "8"
    & skf18("1","4","1","6","6","10","1") = "9"
    & skf18("1","4","1","6","7","1","1") = "6"
    & skf18("1","4","1","6","7","2","1") = "6"
    & skf18("1","4","1","6","7","3","1") = "6"
    & skf18("1","4","1","6","7","4","1") = "6"
    & skf18("1","4","1","6","7","5","1") = "6"
    & skf18("1","4","1","6","7","6","1") = "6"
    & skf18("1","4","1","6","7","7","1") = "6"
    & skf18("1","4","1","6","7","8","1") = "7"
    & skf18("1","4","1","6","7","9","1") = "8"
    & skf18("1","4","1","6","7","10","1") = "9"
    & skf18("1","4","1","6","8","1","1") = "7"
    & skf18("1","4","1","6","8","2","1") = "7"
    & skf18("1","4","1","6","8","3","1") = "7"
    & skf18("1","4","1","6","8","4","1") = "7"
    & skf18("1","4","1","6","8","5","1") = "7"
    & skf18("1","4","1","6","8","6","1") = "7"
    & skf18("1","4","1","6","8","7","1") = "7"
    & skf18("1","4","1","6","8","8","1") = "7"
    & skf18("1","4","1","6","8","9","1") = "8"
    & skf18("1","4","1","6","8","10","1") = "9"
    & skf18("1","4","1","6","9","1","1") = "8"
    & skf18("1","4","1","6","9","2","1") = "8"
    & skf18("1","4","1","6","9","3","1") = "8"
    & skf18("1","4","1","6","9","4","1") = "8"
    & skf18("1","4","1","6","9","5","1") = "8"
    & skf18("1","4","1","6","9","6","1") = "8"
    & skf18("1","4","1","6","9","7","1") = "8"
    & skf18("1","4","1","6","9","8","1") = "8"
    & skf18("1","4","1","6","9","9","1") = "8"
    & skf18("1","4","1","6","9","10","1") = "9"
    & skf18("1","4","1","6","10","1","1") = "9"
    & skf18("1","4","1","6","10","2","1") = "9"
    & skf18("1","4","1","6","10","3","1") = "9"
    & skf18("1","4","1","6","10","4","1") = "9"
    & skf18("1","4","1","6","10","5","1") = "9"
    & skf18("1","4","1","6","10","6","1") = "9"
    & skf18("1","4","1","6","10","7","1") = "9"
    & skf18("1","4","1","6","10","8","1") = "9"
    & skf18("1","4","1","6","10","9","1") = "9"
    & skf18("1","4","1","6","10","10","1") = "9"
    & skf18("1","4","1","7","1","1","1") = "6"
    & skf18("1","4","1","7","1","2","1") = "6"
    & skf18("1","4","1","7","1","3","1") = "6"
    & skf18("1","4","1","7","1","4","1") = "6"
    & skf18("1","4","1","7","1","5","1") = "6"
    & skf18("1","4","1","7","1","6","1") = "6"
    & skf18("1","4","1","7","1","7","1") = "6"
    & skf18("1","4","1","7","1","8","1") = "7"
    & skf18("1","4","1","7","1","9","1") = "8"
    & skf18("1","4","1","7","1","10","1") = "9"
    & skf18("1","4","1","7","2","1","1") = "6"
    & skf18("1","4","1","7","2","2","1") = "6"
    & skf18("1","4","1","7","2","3","1") = "6"
    & skf18("1","4","1","7","2","4","1") = "6"
    & skf18("1","4","1","7","2","5","1") = "6"
    & skf18("1","4","1","7","2","6","1") = "6"
    & skf18("1","4","1","7","2","7","1") = "6"
    & skf18("1","4","1","7","2","8","1") = "7"
    & skf18("1","4","1","7","2","9","1") = "8"
    & skf18("1","4","1","7","2","10","1") = "9"
    & skf18("1","4","1","7","3","1","1") = "6"
    & skf18("1","4","1","7","3","2","1") = "6"
    & skf18("1","4","1","7","3","3","1") = "6"
    & skf18("1","4","1","7","3","4","1") = "6"
    & skf18("1","4","1","7","3","5","1") = "6"
    & skf18("1","4","1","7","3","6","1") = "6"
    & skf18("1","4","1","7","3","7","1") = "6"
    & skf18("1","4","1","7","3","8","1") = "7"
    & skf18("1","4","1","7","3","9","1") = "8"
    & skf18("1","4","1","7","3","10","1") = "9"
    & skf18("1","4","1","7","4","1","1") = "6"
    & skf18("1","4","1","7","4","2","1") = "6"
    & skf18("1","4","1","7","4","3","1") = "6"
    & skf18("1","4","1","7","4","4","1") = "6"
    & skf18("1","4","1","7","4","5","1") = "6"
    & skf18("1","4","1","7","4","6","1") = "6"
    & skf18("1","4","1","7","4","7","1") = "6"
    & skf18("1","4","1","7","4","8","1") = "7"
    & skf18("1","4","1","7","4","9","1") = "8"
    & skf18("1","4","1","7","4","10","1") = "9"
    & skf18("1","4","1","7","5","1","1") = "6"
    & skf18("1","4","1","7","5","2","1") = "6"
    & skf18("1","4","1","7","5","3","1") = "6"
    & skf18("1","4","1","7","5","4","1") = "6"
    & skf18("1","4","1","7","5","5","1") = "6"
    & skf18("1","4","1","7","5","6","1") = "6"
    & skf18("1","4","1","7","5","7","1") = "6"
    & skf18("1","4","1","7","5","8","1") = "7"
    & skf18("1","4","1","7","5","9","1") = "8"
    & skf18("1","4","1","7","5","10","1") = "9"
    & skf18("1","4","1","7","6","1","1") = "6"
    & skf18("1","4","1","7","6","2","1") = "6"
    & skf18("1","4","1","7","6","3","1") = "6"
    & skf18("1","4","1","7","6","4","1") = "6"
    & skf18("1","4","1","7","6","5","1") = "6"
    & skf18("1","4","1","7","6","6","1") = "6"
    & skf18("1","4","1","7","6","7","1") = "6"
    & skf18("1","4","1","7","6","8","1") = "7"
    & skf18("1","4","1","7","6","9","1") = "8"
    & skf18("1","4","1","7","6","10","1") = "9"
    & skf18("1","4","1","7","7","1","1") = "6"
    & skf18("1","4","1","7","7","2","1") = "6"
    & skf18("1","4","1","7","7","3","1") = "6"
    & skf18("1","4","1","7","7","4","1") = "6"
    & skf18("1","4","1","7","7","5","1") = "6"
    & skf18("1","4","1","7","7","6","1") = "6"
    & skf18("1","4","1","7","7","7","1") = "6"
    & skf18("1","4","1","7","7","8","1") = "7"
    & skf18("1","4","1","7","7","9","1") = "8"
    & skf18("1","4","1","7","7","10","1") = "9"
    & skf18("1","4","1","7","8","1","1") = "7"
    & skf18("1","4","1","7","8","2","1") = "7"
    & skf18("1","4","1","7","8","3","1") = "7"
    & skf18("1","4","1","7","8","4","1") = "7"
    & skf18("1","4","1","7","8","5","1") = "7"
    & skf18("1","4","1","7","8","6","1") = "7"
    & skf18("1","4","1","7","8","7","1") = "7"
    & skf18("1","4","1","7","8","8","1") = "7"
    & skf18("1","4","1","7","8","9","1") = "8"
    & skf18("1","4","1","7","8","10","1") = "9"
    & skf18("1","4","1","7","9","1","1") = "8"
    & skf18("1","4","1","7","9","2","1") = "8"
    & skf18("1","4","1","7","9","3","1") = "8"
    & skf18("1","4","1","7","9","4","1") = "8"
    & skf18("1","4","1","7","9","5","1") = "8"
    & skf18("1","4","1","7","9","6","1") = "8"
    & skf18("1","4","1","7","9","7","1") = "8"
    & skf18("1","4","1","7","9","8","1") = "8"
    & skf18("1","4","1","7","9","9","1") = "8"
    & skf18("1","4","1","7","9","10","1") = "9"
    & skf18("1","4","1","7","10","1","1") = "9"
    & skf18("1","4","1","7","10","2","1") = "9"
    & skf18("1","4","1","7","10","3","1") = "9"
    & skf18("1","4","1","7","10","4","1") = "9"
    & skf18("1","4","1","7","10","5","1") = "9"
    & skf18("1","4","1","7","10","6","1") = "9"
    & skf18("1","4","1","7","10","7","1") = "9"
    & skf18("1","4","1","7","10","8","1") = "9"
    & skf18("1","4","1","7","10","9","1") = "9"
    & skf18("1","4","1","7","10","10","1") = "9"
    & skf18("1","4","1","8","1","1","1") = "7"
    & skf18("1","4","1","8","1","2","1") = "7"
    & skf18("1","4","1","8","1","3","1") = "7"
    & skf18("1","4","1","8","1","4","1") = "7"
    & skf18("1","4","1","8","1","5","1") = "7"
    & skf18("1","4","1","8","1","6","1") = "7"
    & skf18("1","4","1","8","1","7","1") = "7"
    & skf18("1","4","1","8","1","8","1") = "7"
    & skf18("1","4","1","8","1","9","1") = "8"
    & skf18("1","4","1","8","1","10","1") = "9"
    & skf18("1","4","1","8","2","1","1") = "7"
    & skf18("1","4","1","8","2","2","1") = "7"
    & skf18("1","4","1","8","2","3","1") = "7"
    & skf18("1","4","1","8","2","4","1") = "7"
    & skf18("1","4","1","8","2","5","1") = "7"
    & skf18("1","4","1","8","2","6","1") = "7"
    & skf18("1","4","1","8","2","7","1") = "7"
    & skf18("1","4","1","8","2","8","1") = "7"
    & skf18("1","4","1","8","2","9","1") = "8"
    & skf18("1","4","1","8","2","10","1") = "9"
    & skf18("1","4","1","8","3","1","1") = "7"
    & skf18("1","4","1","8","3","2","1") = "7"
    & skf18("1","4","1","8","3","3","1") = "7"
    & skf18("1","4","1","8","3","4","1") = "7"
    & skf18("1","4","1","8","3","5","1") = "7"
    & skf18("1","4","1","8","3","6","1") = "7"
    & skf18("1","4","1","8","3","7","1") = "7"
    & skf18("1","4","1","8","3","8","1") = "7"
    & skf18("1","4","1","8","3","9","1") = "8"
    & skf18("1","4","1","8","3","10","1") = "9"
    & skf18("1","4","1","8","4","1","1") = "7"
    & skf18("1","4","1","8","4","2","1") = "7"
    & skf18("1","4","1","8","4","3","1") = "7"
    & skf18("1","4","1","8","4","4","1") = "7"
    & skf18("1","4","1","8","4","5","1") = "7"
    & skf18("1","4","1","8","4","6","1") = "7"
    & skf18("1","4","1","8","4","7","1") = "7"
    & skf18("1","4","1","8","4","8","1") = "7"
    & skf18("1","4","1","8","4","9","1") = "8"
    & skf18("1","4","1","8","4","10","1") = "9"
    & skf18("1","4","1","8","5","1","1") = "7"
    & skf18("1","4","1","8","5","2","1") = "7"
    & skf18("1","4","1","8","5","3","1") = "7"
    & skf18("1","4","1","8","5","4","1") = "7"
    & skf18("1","4","1","8","5","5","1") = "7"
    & skf18("1","4","1","8","5","6","1") = "7"
    & skf18("1","4","1","8","5","7","1") = "7"
    & skf18("1","4","1","8","5","8","1") = "7"
    & skf18("1","4","1","8","5","9","1") = "8"
    & skf18("1","4","1","8","5","10","1") = "9"
    & skf18("1","4","1","8","6","1","1") = "7"
    & skf18("1","4","1","8","6","2","1") = "7"
    & skf18("1","4","1","8","6","3","1") = "7"
    & skf18("1","4","1","8","6","4","1") = "7"
    & skf18("1","4","1","8","6","5","1") = "7"
    & skf18("1","4","1","8","6","6","1") = "7"
    & skf18("1","4","1","8","6","7","1") = "7"
    & skf18("1","4","1","8","6","8","1") = "7"
    & skf18("1","4","1","8","6","9","1") = "8"
    & skf18("1","4","1","8","6","10","1") = "9"
    & skf18("1","4","1","8","7","1","1") = "7"
    & skf18("1","4","1","8","7","2","1") = "7"
    & skf18("1","4","1","8","7","3","1") = "7"
    & skf18("1","4","1","8","7","4","1") = "7"
    & skf18("1","4","1","8","7","5","1") = "7"
    & skf18("1","4","1","8","7","6","1") = "7"
    & skf18("1","4","1","8","7","7","1") = "7"
    & skf18("1","4","1","8","7","8","1") = "7"
    & skf18("1","4","1","8","7","9","1") = "8"
    & skf18("1","4","1","8","7","10","1") = "9"
    & skf18("1","4","1","8","8","1","1") = "7"
    & skf18("1","4","1","8","8","2","1") = "7"
    & skf18("1","4","1","8","8","3","1") = "7"
    & skf18("1","4","1","8","8","4","1") = "7"
    & skf18("1","4","1","8","8","5","1") = "7"
    & skf18("1","4","1","8","8","6","1") = "7"
    & skf18("1","4","1","8","8","7","1") = "7"
    & skf18("1","4","1","8","8","8","1") = "7"
    & skf18("1","4","1","8","8","9","1") = "8"
    & skf18("1","4","1","8","8","10","1") = "9"
    & skf18("1","4","1","8","9","1","1") = "8"
    & skf18("1","4","1","8","9","2","1") = "8"
    & skf18("1","4","1","8","9","3","1") = "8"
    & skf18("1","4","1","8","9","4","1") = "8"
    & skf18("1","4","1","8","9","5","1") = "8"
    & skf18("1","4","1","8","9","6","1") = "8"
    & skf18("1","4","1","8","9","7","1") = "8"
    & skf18("1","4","1","8","9","8","1") = "8"
    & skf18("1","4","1","8","9","9","1") = "8"
    & skf18("1","4","1","8","9","10","1") = "9"
    & skf18("1","4","1","8","10","1","1") = "9"
    & skf18("1","4","1","8","10","2","1") = "9"
    & skf18("1","4","1","8","10","3","1") = "9"
    & skf18("1","4","1","8","10","4","1") = "9"
    & skf18("1","4","1","8","10","5","1") = "9"
    & skf18("1","4","1","8","10","6","1") = "9"
    & skf18("1","4","1","8","10","7","1") = "9"
    & skf18("1","4","1","8","10","8","1") = "9"
    & skf18("1","4","1","8","10","9","1") = "9"
    & skf18("1","4","1","8","10","10","1") = "9"
    & skf18("1","4","1","9","1","1","1") = "8"
    & skf18("1","4","1","9","1","2","1") = "8"
    & skf18("1","4","1","9","1","3","1") = "8"
    & skf18("1","4","1","9","1","4","1") = "8"
    & skf18("1","4","1","9","1","5","1") = "8"
    & skf18("1","4","1","9","1","6","1") = "8"
    & skf18("1","4","1","9","1","7","1") = "8"
    & skf18("1","4","1","9","1","8","1") = "8"
    & skf18("1","4","1","9","1","9","1") = "8"
    & skf18("1","4","1","9","1","10","1") = "9"
    & skf18("1","4","1","9","2","1","1") = "8"
    & skf18("1","4","1","9","2","2","1") = "8"
    & skf18("1","4","1","9","2","3","1") = "8"
    & skf18("1","4","1","9","2","4","1") = "8"
    & skf18("1","4","1","9","2","5","1") = "8"
    & skf18("1","4","1","9","2","6","1") = "8"
    & skf18("1","4","1","9","2","7","1") = "8"
    & skf18("1","4","1","9","2","8","1") = "8"
    & skf18("1","4","1","9","2","9","1") = "8"
    & skf18("1","4","1","9","2","10","1") = "9"
    & skf18("1","4","1","9","3","1","1") = "8"
    & skf18("1","4","1","9","3","2","1") = "8"
    & skf18("1","4","1","9","3","3","1") = "8"
    & skf18("1","4","1","9","3","4","1") = "8"
    & skf18("1","4","1","9","3","5","1") = "8"
    & skf18("1","4","1","9","3","6","1") = "8"
    & skf18("1","4","1","9","3","7","1") = "8"
    & skf18("1","4","1","9","3","8","1") = "8"
    & skf18("1","4","1","9","3","9","1") = "8"
    & skf18("1","4","1","9","3","10","1") = "9"
    & skf18("1","4","1","9","4","1","1") = "8"
    & skf18("1","4","1","9","4","2","1") = "8"
    & skf18("1","4","1","9","4","3","1") = "8"
    & skf18("1","4","1","9","4","4","1") = "8"
    & skf18("1","4","1","9","4","5","1") = "8"
    & skf18("1","4","1","9","4","6","1") = "8"
    & skf18("1","4","1","9","4","7","1") = "8"
    & skf18("1","4","1","9","4","8","1") = "8"
    & skf18("1","4","1","9","4","9","1") = "8"
    & skf18("1","4","1","9","4","10","1") = "9"
    & skf18("1","4","1","9","5","1","1") = "8"
    & skf18("1","4","1","9","5","2","1") = "8"
    & skf18("1","4","1","9","5","3","1") = "8"
    & skf18("1","4","1","9","5","4","1") = "8"
    & skf18("1","4","1","9","5","5","1") = "8"
    & skf18("1","4","1","9","5","6","1") = "8"
    & skf18("1","4","1","9","5","7","1") = "8"
    & skf18("1","4","1","9","5","8","1") = "8"
    & skf18("1","4","1","9","5","9","1") = "8"
    & skf18("1","4","1","9","5","10","1") = "9"
    & skf18("1","4","1","9","6","1","1") = "8"
    & skf18("1","4","1","9","6","2","1") = "8"
    & skf18("1","4","1","9","6","3","1") = "8"
    & skf18("1","4","1","9","6","4","1") = "8"
    & skf18("1","4","1","9","6","5","1") = "8"
    & skf18("1","4","1","9","6","6","1") = "8"
    & skf18("1","4","1","9","6","7","1") = "8"
    & skf18("1","4","1","9","6","8","1") = "8"
    & skf18("1","4","1","9","6","9","1") = "8"
    & skf18("1","4","1","9","6","10","1") = "9"
    & skf18("1","4","1","9","7","1","1") = "8"
    & skf18("1","4","1","9","7","2","1") = "8"
    & skf18("1","4","1","9","7","3","1") = "8"
    & skf18("1","4","1","9","7","4","1") = "8"
    & skf18("1","4","1","9","7","5","1") = "8"
    & skf18("1","4","1","9","7","6","1") = "8"
    & skf18("1","4","1","9","7","7","1") = "8"
    & skf18("1","4","1","9","7","8","1") = "8"
    & skf18("1","4","1","9","7","9","1") = "8"
    & skf18("1","4","1","9","7","10","1") = "9"
    & skf18("1","4","1","9","8","1","1") = "8"
    & skf18("1","4","1","9","8","2","1") = "8"
    & skf18("1","4","1","9","8","3","1") = "8"
    & skf18("1","4","1","9","8","4","1") = "8"
    & skf18("1","4","1","9","8","5","1") = "8"
    & skf18("1","4","1","9","8","6","1") = "8"
    & skf18("1","4","1","9","8","7","1") = "8"
    & skf18("1","4","1","9","8","8","1") = "8"
    & skf18("1","4","1","9","8","9","1") = "8"
    & skf18("1","4","1","9","8","10","1") = "9"
    & skf18("1","4","1","9","9","1","1") = "8"
    & skf18("1","4","1","9","9","2","1") = "8"
    & skf18("1","4","1","9","9","3","1") = "8"
    & skf18("1","4","1","9","9","4","1") = "8"
    & skf18("1","4","1","9","9","5","1") = "8"
    & skf18("1","4","1","9","9","6","1") = "8"
    & skf18("1","4","1","9","9","7","1") = "8"
    & skf18("1","4","1","9","9","8","1") = "8"
    & skf18("1","4","1","9","9","9","1") = "8"
    & skf18("1","4","1","9","9","10","1") = "9"
    & skf18("1","4","1","9","10","1","1") = "9"
    & skf18("1","4","1","9","10","2","1") = "9"
    & skf18("1","4","1","9","10","3","1") = "9"
    & skf18("1","4","1","9","10","4","1") = "9"
    & skf18("1","4","1","9","10","5","1") = "9"
    & skf18("1","4","1","9","10","6","1") = "9"
    & skf18("1","4","1","9","10","7","1") = "9"
    & skf18("1","4","1","9","10","8","1") = "9"
    & skf18("1","4","1","9","10","9","1") = "9"
    & skf18("1","4","1","9","10","10","1") = "9"
    & skf18("1","4","1","10","1","1","1") = "9"
    & skf18("1","4","1","10","1","2","1") = "9"
    & skf18("1","4","1","10","1","3","1") = "9"
    & skf18("1","4","1","10","1","4","1") = "9"
    & skf18("1","4","1","10","1","5","1") = "9"
    & skf18("1","4","1","10","1","6","1") = "9"
    & skf18("1","4","1","10","1","7","1") = "9"
    & skf18("1","4","1","10","1","8","1") = "9"
    & skf18("1","4","1","10","1","9","1") = "9"
    & skf18("1","4","1","10","1","10","1") = "9"
    & skf18("1","4","1","10","2","1","1") = "9"
    & skf18("1","4","1","10","2","2","1") = "9"
    & skf18("1","4","1","10","2","3","1") = "9"
    & skf18("1","4","1","10","2","4","1") = "9"
    & skf18("1","4","1","10","2","5","1") = "9"
    & skf18("1","4","1","10","2","6","1") = "9"
    & skf18("1","4","1","10","2","7","1") = "9"
    & skf18("1","4","1","10","2","8","1") = "9"
    & skf18("1","4","1","10","2","9","1") = "9"
    & skf18("1","4","1","10","2","10","1") = "9"
    & skf18("1","4","1","10","3","1","1") = "9"
    & skf18("1","4","1","10","3","2","1") = "9"
    & skf18("1","4","1","10","3","3","1") = "9"
    & skf18("1","4","1","10","3","4","1") = "9"
    & skf18("1","4","1","10","3","5","1") = "9"
    & skf18("1","4","1","10","3","6","1") = "9"
    & skf18("1","4","1","10","3","7","1") = "9"
    & skf18("1","4","1","10","3","8","1") = "9"
    & skf18("1","4","1","10","3","9","1") = "9"
    & skf18("1","4","1","10","3","10","1") = "9"
    & skf18("1","4","1","10","4","1","1") = "9"
    & skf18("1","4","1","10","4","2","1") = "9"
    & skf18("1","4","1","10","4","3","1") = "9"
    & skf18("1","4","1","10","4","4","1") = "9"
    & skf18("1","4","1","10","4","5","1") = "9"
    & skf18("1","4","1","10","4","6","1") = "9"
    & skf18("1","4","1","10","4","7","1") = "9"
    & skf18("1","4","1","10","4","8","1") = "9"
    & skf18("1","4","1","10","4","9","1") = "9"
    & skf18("1","4","1","10","4","10","1") = "9"
    & skf18("1","4","1","10","5","1","1") = "9"
    & skf18("1","4","1","10","5","2","1") = "9"
    & skf18("1","4","1","10","5","3","1") = "9"
    & skf18("1","4","1","10","5","4","1") = "9"
    & skf18("1","4","1","10","5","5","1") = "9"
    & skf18("1","4","1","10","5","6","1") = "9"
    & skf18("1","4","1","10","5","7","1") = "9"
    & skf18("1","4","1","10","5","8","1") = "9"
    & skf18("1","4","1","10","5","9","1") = "9"
    & skf18("1","4","1","10","5","10","1") = "9"
    & skf18("1","4","1","10","6","1","1") = "9"
    & skf18("1","4","1","10","6","2","1") = "9"
    & skf18("1","4","1","10","6","3","1") = "9"
    & skf18("1","4","1","10","6","4","1") = "9"
    & skf18("1","4","1","10","6","5","1") = "9"
    & skf18("1","4","1","10","6","6","1") = "9"
    & skf18("1","4","1","10","6","7","1") = "9"
    & skf18("1","4","1","10","6","8","1") = "9"
    & skf18("1","4","1","10","6","9","1") = "9"
    & skf18("1","4","1","10","6","10","1") = "9"
    & skf18("1","4","1","10","7","1","1") = "9"
    & skf18("1","4","1","10","7","2","1") = "9"
    & skf18("1","4","1","10","7","3","1") = "9"
    & skf18("1","4","1","10","7","4","1") = "9"
    & skf18("1","4","1","10","7","5","1") = "9"
    & skf18("1","4","1","10","7","6","1") = "9"
    & skf18("1","4","1","10","7","7","1") = "9"
    & skf18("1","4","1","10","7","8","1") = "9"
    & skf18("1","4","1","10","7","9","1") = "9"
    & skf18("1","4","1","10","7","10","1") = "9"
    & skf18("1","4","1","10","8","1","1") = "9"
    & skf18("1","4","1","10","8","2","1") = "9"
    & skf18("1","4","1","10","8","3","1") = "9"
    & skf18("1","4","1","10","8","4","1") = "9"
    & skf18("1","4","1","10","8","5","1") = "9"
    & skf18("1","4","1","10","8","6","1") = "9"
    & skf18("1","4","1","10","8","7","1") = "9"
    & skf18("1","4","1","10","8","8","1") = "9"
    & skf18("1","4","1","10","8","9","1") = "9"
    & skf18("1","4","1","10","8","10","1") = "9"
    & skf18("1","4","1","10","9","1","1") = "9"
    & skf18("1","4","1","10","9","2","1") = "9"
    & skf18("1","4","1","10","9","3","1") = "9"
    & skf18("1","4","1","10","9","4","1") = "9"
    & skf18("1","4","1","10","9","5","1") = "9"
    & skf18("1","4","1","10","9","6","1") = "9"
    & skf18("1","4","1","10","9","7","1") = "9"
    & skf18("1","4","1","10","9","8","1") = "9"
    & skf18("1","4","1","10","9","9","1") = "9"
    & skf18("1","4","1","10","9","10","1") = "9"
    & skf18("1","4","1","10","10","1","1") = "9"
    & skf18("1","4","1","10","10","2","1") = "9"
    & skf18("1","4","1","10","10","3","1") = "9"
    & skf18("1","4","1","10","10","4","1") = "9"
    & skf18("1","4","1","10","10","5","1") = "9"
    & skf18("1","4","1","10","10","6","1") = "9"
    & skf18("1","4","1","10","10","7","1") = "9"
    & skf18("1","4","1","10","10","8","1") = "9"
    & skf18("1","4","1","10","10","9","1") = "9"
    & skf18("1","4","1","10","10","10","1") = "9"
    & skf18("1","4","2","1","1","1","1") = "3"
    & skf18("1","4","2","1","1","2","1") = "3"
    & skf18("1","4","2","1","1","3","1") = "3"
    & skf18("1","4","2","1","1","4","1") = "3"
    & skf18("1","4","2","1","1","5","1") = "4"
    & skf18("1","4","2","1","1","6","1") = "5"
    & skf18("1","4","2","1","1","7","1") = "6"
    & skf18("1","4","2","1","1","8","1") = "7"
    & skf18("1","4","2","1","1","9","1") = "8"
    & skf18("1","4","2","1","1","10","1") = "9"
    & skf18("1","4","2","1","2","1","1") = "3"
    & skf18("1","4","2","1","2","2","1") = "3"
    & skf18("1","4","2","1","2","3","1") = "3"
    & skf18("1","4","2","1","2","4","1") = "3"
    & skf18("1","4","2","1","2","5","1") = "4"
    & skf18("1","4","2","1","2","6","1") = "5"
    & skf18("1","4","2","1","2","7","1") = "6"
    & skf18("1","4","2","1","2","8","1") = "7"
    & skf18("1","4","2","1","2","9","1") = "8"
    & skf18("1","4","2","1","2","10","1") = "9"
    & skf18("1","4","2","1","3","1","1") = "3"
    & skf18("1","4","2","1","3","2","1") = "3"
    & skf18("1","4","2","1","3","3","1") = "3"
    & skf18("1","4","2","1","3","4","1") = "3"
    & skf18("1","4","2","1","3","5","1") = "4"
    & skf18("1","4","2","1","3","6","1") = "5"
    & skf18("1","4","2","1","3","7","1") = "6"
    & skf18("1","4","2","1","3","8","1") = "7"
    & skf18("1","4","2","1","3","9","1") = "8"
    & skf18("1","4","2","1","3","10","1") = "9"
    & skf18("1","4","2","1","4","1","1") = "3"
    & skf18("1","4","2","1","4","2","1") = "3"
    & skf18("1","4","2","1","4","3","1") = "3"
    & skf18("1","4","2","1","4","4","1") = "3"
    & skf18("1","4","2","1","4","5","1") = "4"
    & skf18("1","4","2","1","4","6","1") = "5"
    & skf18("1","4","2","1","4","7","1") = "6"
    & skf18("1","4","2","1","4","8","1") = "7"
    & skf18("1","4","2","1","4","9","1") = "8"
    & skf18("1","4","2","1","4","10","1") = "9"
    & skf18("1","4","2","1","5","1","1") = "4"
    & skf18("1","4","2","1","5","2","1") = "4"
    & skf18("1","4","2","1","5","3","1") = "4"
    & skf18("1","4","2","1","5","4","1") = "4"
    & skf18("1","4","2","1","5","5","1") = "4"
    & skf18("1","4","2","1","5","6","1") = "5"
    & skf18("1","4","2","1","5","7","1") = "6"
    & skf18("1","4","2","1","5","8","1") = "7"
    & skf18("1","4","2","1","5","9","1") = "8"
    & skf18("1","4","2","1","5","10","1") = "9"
    & skf18("1","4","2","1","6","1","1") = "5"
    & skf18("1","4","2","1","6","2","1") = "5"
    & skf18("1","4","2","1","6","3","1") = "5"
    & skf18("1","4","2","1","6","4","1") = "5"
    & skf18("1","4","2","1","6","5","1") = "5"
    & skf18("1","4","2","1","6","6","1") = "5"
    & skf18("1","4","2","1","6","7","1") = "6"
    & skf18("1","4","2","1","6","8","1") = "7"
    & skf18("1","4","2","1","6","9","1") = "8"
    & skf18("1","4","2","1","6","10","1") = "9"
    & skf18("1","4","2","1","7","1","1") = "6"
    & skf18("1","4","2","1","7","2","1") = "6"
    & skf18("1","4","2","1","7","3","1") = "6"
    & skf18("1","4","2","1","7","4","1") = "6"
    & skf18("1","4","2","1","7","5","1") = "6"
    & skf18("1","4","2","1","7","6","1") = "6"
    & skf18("1","4","2","1","7","7","1") = "6"
    & skf18("1","4","2","1","7","8","1") = "7"
    & skf18("1","4","2","1","7","9","1") = "8"
    & skf18("1","4","2","1","7","10","1") = "9"
    & skf18("1","4","2","1","8","1","1") = "7"
    & skf18("1","4","2","1","8","2","1") = "7"
    & skf18("1","4","2","1","8","3","1") = "7"
    & skf18("1","4","2","1","8","4","1") = "7"
    & skf18("1","4","2","1","8","5","1") = "7"
    & skf18("1","4","2","1","8","6","1") = "7"
    & skf18("1","4","2","1","8","7","1") = "7"
    & skf18("1","4","2","1","8","8","1") = "7"
    & skf18("1","4","2","1","8","9","1") = "8"
    & skf18("1","4","2","1","8","10","1") = "9"
    & skf18("1","4","2","1","9","1","1") = "8"
    & skf18("1","4","2","1","9","2","1") = "8"
    & skf18("1","4","2","1","9","3","1") = "8"
    & skf18("1","4","2","1","9","4","1") = "8"
    & skf18("1","4","2","1","9","5","1") = "8"
    & skf18("1","4","2","1","9","6","1") = "8"
    & skf18("1","4","2","1","9","7","1") = "8"
    & skf18("1","4","2","1","9","8","1") = "8"
    & skf18("1","4","2","1","9","9","1") = "8"
    & skf18("1","4","2","1","9","10","1") = "9"
    & skf18("1","4","2","1","10","1","1") = "9"
    & skf18("1","4","2","1","10","2","1") = "9"
    & skf18("1","4","2","1","10","3","1") = "9"
    & skf18("1","4","2","1","10","4","1") = "9"
    & skf18("1","4","2","1","10","5","1") = "9"
    & skf18("1","4","2","1","10","6","1") = "9"
    & skf18("1","4","2","1","10","7","1") = "9"
    & skf18("1","4","2","1","10","8","1") = "9"
    & skf18("1","4","2","1","10","9","1") = "9"
    & skf18("1","4","2","1","10","10","1") = "9"
    & skf18("1","4","2","2","1","1","1") = "3"
    & skf18("1","4","2","2","1","2","1") = "3"
    & skf18("1","4","2","2","1","3","1") = "3"
    & skf18("1","4","2","2","1","4","1") = "3"
    & skf18("1","4","2","2","1","5","1") = "4"
    & skf18("1","4","2","2","1","6","1") = "5"
    & skf18("1","4","2","2","1","7","1") = "6"
    & skf18("1","4","2","2","1","8","1") = "7"
    & skf18("1","4","2","2","1","9","1") = "8"
    & skf18("1","4","2","2","1","10","1") = "9"
    & skf18("1","4","2","2","2","1","1") = "3"
    & skf18("1","4","2","2","2","2","1") = "3"
    & skf18("1","4","2","2","2","3","1") = "3"
    & skf18("1","4","2","2","2","4","1") = "3"
    & skf18("1","4","2","2","2","5","1") = "4"
    & skf18("1","4","2","2","2","6","1") = "5"
    & skf18("1","4","2","2","2","7","1") = "6"
    & skf18("1","4","2","2","2","8","1") = "7"
    & skf18("1","4","2","2","2","9","1") = "8"
    & skf18("1","4","2","2","2","10","1") = "9"
    & skf18("1","4","2","2","3","1","1") = "3"
    & skf18("1","4","2","2","3","2","1") = "3"
    & skf18("1","4","2","2","3","3","1") = "3"
    & skf18("1","4","2","2","3","4","1") = "3"
    & skf18("1","4","2","2","3","5","1") = "4"
    & skf18("1","4","2","2","3","6","1") = "5"
    & skf18("1","4","2","2","3","7","1") = "6"
    & skf18("1","4","2","2","3","8","1") = "7"
    & skf18("1","4","2","2","3","9","1") = "8"
    & skf18("1","4","2","2","3","10","1") = "9"
    & skf18("1","4","2","2","4","1","1") = "3"
    & skf18("1","4","2","2","4","2","1") = "3"
    & skf18("1","4","2","2","4","3","1") = "3"
    & skf18("1","4","2","2","4","4","1") = "3"
    & skf18("1","4","2","2","4","5","1") = "4"
    & skf18("1","4","2","2","4","6","1") = "5"
    & skf18("1","4","2","2","4","7","1") = "6"
    & skf18("1","4","2","2","4","8","1") = "7"
    & skf18("1","4","2","2","4","9","1") = "8"
    & skf18("1","4","2","2","4","10","1") = "9"
    & skf18("1","4","2","2","5","1","1") = "4"
    & skf18("1","4","2","2","5","2","1") = "4"
    & skf18("1","4","2","2","5","3","1") = "4"
    & skf18("1","4","2","2","5","4","1") = "4"
    & skf18("1","4","2","2","5","5","1") = "4"
    & skf18("1","4","2","2","5","6","1") = "5"
    & skf18("1","4","2","2","5","7","1") = "6"
    & skf18("1","4","2","2","5","8","1") = "7"
    & skf18("1","4","2","2","5","9","1") = "8"
    & skf18("1","4","2","2","5","10","1") = "9"
    & skf18("1","4","2","2","6","1","1") = "5"
    & skf18("1","4","2","2","6","2","1") = "5"
    & skf18("1","4","2","2","6","3","1") = "5"
    & skf18("1","4","2","2","6","4","1") = "5"
    & skf18("1","4","2","2","6","5","1") = "5"
    & skf18("1","4","2","2","6","6","1") = "5"
    & skf18("1","4","2","2","6","7","1") = "6"
    & skf18("1","4","2","2","6","8","1") = "7"
    & skf18("1","4","2","2","6","9","1") = "8"
    & skf18("1","4","2","2","6","10","1") = "9"
    & skf18("1","4","2","2","7","1","1") = "6"
    & skf18("1","4","2","2","7","2","1") = "6"
    & skf18("1","4","2","2","7","3","1") = "6"
    & skf18("1","4","2","2","7","4","1") = "6"
    & skf18("1","4","2","2","7","5","1") = "6"
    & skf18("1","4","2","2","7","6","1") = "6"
    & skf18("1","4","2","2","7","7","1") = "6"
    & skf18("1","4","2","2","7","8","1") = "7"
    & skf18("1","4","2","2","7","9","1") = "8"
    & skf18("1","4","2","2","7","10","1") = "9"
    & skf18("1","4","2","2","8","1","1") = "7"
    & skf18("1","4","2","2","8","2","1") = "7"
    & skf18("1","4","2","2","8","3","1") = "7"
    & skf18("1","4","2","2","8","4","1") = "7"
    & skf18("1","4","2","2","8","5","1") = "7"
    & skf18("1","4","2","2","8","6","1") = "7"
    & skf18("1","4","2","2","8","7","1") = "7"
    & skf18("1","4","2","2","8","8","1") = "7"
    & skf18("1","4","2","2","8","9","1") = "8"
    & skf18("1","4","2","2","8","10","1") = "9"
    & skf18("1","4","2","2","9","1","1") = "8"
    & skf18("1","4","2","2","9","2","1") = "8"
    & skf18("1","4","2","2","9","3","1") = "8"
    & skf18("1","4","2","2","9","4","1") = "8"
    & skf18("1","4","2","2","9","5","1") = "8"
    & skf18("1","4","2","2","9","6","1") = "8"
    & skf18("1","4","2","2","9","7","1") = "8"
    & skf18("1","4","2","2","9","8","1") = "8"
    & skf18("1","4","2","2","9","9","1") = "8"
    & skf18("1","4","2","2","9","10","1") = "9"
    & skf18("1","4","2","2","10","1","1") = "9"
    & skf18("1","4","2","2","10","2","1") = "9"
    & skf18("1","4","2","2","10","3","1") = "9"
    & skf18("1","4","2","2","10","4","1") = "9"
    & skf18("1","4","2","2","10","5","1") = "9"
    & skf18("1","4","2","2","10","6","1") = "9"
    & skf18("1","4","2","2","10","7","1") = "9"
    & skf18("1","4","2","2","10","8","1") = "9"
    & skf18("1","4","2","2","10","9","1") = "9"
    & skf18("1","4","2","2","10","10","1") = "9"
    & skf18("1","4","2","3","1","1","1") = "3"
    & skf18("1","4","2","3","1","2","1") = "3"
    & skf18("1","4","2","3","1","3","1") = "3"
    & skf18("1","4","2","3","1","4","1") = "3"
    & skf18("1","4","2","3","1","5","1") = "4"
    & skf18("1","4","2","3","1","6","1") = "5"
    & skf18("1","4","2","3","1","7","1") = "6"
    & skf18("1","4","2","3","1","8","1") = "7"
    & skf18("1","4","2","3","1","9","1") = "8"
    & skf18("1","4","2","3","1","10","1") = "9"
    & skf18("1","4","2","3","2","1","1") = "3"
    & skf18("1","4","2","3","2","2","1") = "3"
    & skf18("1","4","2","3","2","3","1") = "3"
    & skf18("1","4","2","3","2","4","1") = "3"
    & skf18("1","4","2","3","2","5","1") = "4"
    & skf18("1","4","2","3","2","6","1") = "5"
    & skf18("1","4","2","3","2","7","1") = "6"
    & skf18("1","4","2","3","2","8","1") = "7"
    & skf18("1","4","2","3","2","9","1") = "8"
    & skf18("1","4","2","3","2","10","1") = "9"
    & skf18("1","4","2","3","3","1","1") = "3"
    & skf18("1","4","2","3","3","2","1") = "3"
    & skf18("1","4","2","3","3","3","1") = "3"
    & skf18("1","4","2","3","3","4","1") = "3"
    & skf18("1","4","2","3","3","5","1") = "4"
    & skf18("1","4","2","3","3","6","1") = "5"
    & skf18("1","4","2","3","3","7","1") = "6"
    & skf18("1","4","2","3","3","8","1") = "7"
    & skf18("1","4","2","3","3","9","1") = "8"
    & skf18("1","4","2","3","3","10","1") = "9"
    & skf18("1","4","2","3","4","1","1") = "3"
    & skf18("1","4","2","3","4","2","1") = "3"
    & skf18("1","4","2","3","4","3","1") = "3"
    & skf18("1","4","2","3","4","4","1") = "3"
    & skf18("1","4","2","3","4","5","1") = "4"
    & skf18("1","4","2","3","4","6","1") = "5"
    & skf18("1","4","2","3","4","7","1") = "6"
    & skf18("1","4","2","3","4","8","1") = "7"
    & skf18("1","4","2","3","4","9","1") = "8"
    & skf18("1","4","2","3","4","10","1") = "9"
    & skf18("1","4","2","3","5","1","1") = "4"
    & skf18("1","4","2","3","5","2","1") = "4"
    & skf18("1","4","2","3","5","3","1") = "4"
    & skf18("1","4","2","3","5","4","1") = "4"
    & skf18("1","4","2","3","5","5","1") = "4"
    & skf18("1","4","2","3","5","6","1") = "5"
    & skf18("1","4","2","3","5","7","1") = "6"
    & skf18("1","4","2","3","5","8","1") = "7"
    & skf18("1","4","2","3","5","9","1") = "8"
    & skf18("1","4","2","3","5","10","1") = "9"
    & skf18("1","4","2","3","6","1","1") = "5"
    & skf18("1","4","2","3","6","2","1") = "5"
    & skf18("1","4","2","3","6","3","1") = "5"
    & skf18("1","4","2","3","6","4","1") = "5"
    & skf18("1","4","2","3","6","5","1") = "5"
    & skf18("1","4","2","3","6","6","1") = "5"
    & skf18("1","4","2","3","6","7","1") = "6"
    & skf18("1","4","2","3","6","8","1") = "7"
    & skf18("1","4","2","3","6","9","1") = "8"
    & skf18("1","4","2","3","6","10","1") = "9"
    & skf18("1","4","2","3","7","1","1") = "6"
    & skf18("1","4","2","3","7","2","1") = "6"
    & skf18("1","4","2","3","7","3","1") = "6"
    & skf18("1","4","2","3","7","4","1") = "6"
    & skf18("1","4","2","3","7","5","1") = "6"
    & skf18("1","4","2","3","7","6","1") = "6"
    & skf18("1","4","2","3","7","7","1") = "6"
    & skf18("1","4","2","3","7","8","1") = "7"
    & skf18("1","4","2","3","7","9","1") = "8"
    & skf18("1","4","2","3","7","10","1") = "9"
    & skf18("1","4","2","3","8","1","1") = "7"
    & skf18("1","4","2","3","8","2","1") = "7"
    & skf18("1","4","2","3","8","3","1") = "7"
    & skf18("1","4","2","3","8","4","1") = "7"
    & skf18("1","4","2","3","8","5","1") = "7"
    & skf18("1","4","2","3","8","6","1") = "7"
    & skf18("1","4","2","3","8","7","1") = "7"
    & skf18("1","4","2","3","8","8","1") = "7"
    & skf18("1","4","2","3","8","9","1") = "8"
    & skf18("1","4","2","3","8","10","1") = "9"
    & skf18("1","4","2","3","9","1","1") = "8"
    & skf18("1","4","2","3","9","2","1") = "8"
    & skf18("1","4","2","3","9","3","1") = "8"
    & skf18("1","4","2","3","9","4","1") = "8"
    & skf18("1","4","2","3","9","5","1") = "8"
    & skf18("1","4","2","3","9","6","1") = "8"
    & skf18("1","4","2","3","9","7","1") = "8"
    & skf18("1","4","2","3","9","8","1") = "8"
    & skf18("1","4","2","3","9","9","1") = "8"
    & skf18("1","4","2","3","9","10","1") = "9"
    & skf18("1","4","2","3","10","1","1") = "9"
    & skf18("1","4","2","3","10","2","1") = "9"
    & skf18("1","4","2","3","10","3","1") = "9"
    & skf18("1","4","2","3","10","4","1") = "9"
    & skf18("1","4","2","3","10","5","1") = "9"
    & skf18("1","4","2","3","10","6","1") = "9"
    & skf18("1","4","2","3","10","7","1") = "9"
    & skf18("1","4","2","3","10","8","1") = "9"
    & skf18("1","4","2","3","10","9","1") = "9"
    & skf18("1","4","2","3","10","10","1") = "9"
    & skf18("1","4","2","4","1","1","1") = "3"
    & skf18("1","4","2","4","1","2","1") = "3"
    & skf18("1","4","2","4","1","3","1") = "3"
    & skf18("1","4","2","4","1","4","1") = "3"
    & skf18("1","4","2","4","1","5","1") = "4"
    & skf18("1","4","2","4","1","6","1") = "5"
    & skf18("1","4","2","4","1","7","1") = "6"
    & skf18("1","4","2","4","1","8","1") = "7"
    & skf18("1","4","2","4","1","9","1") = "8"
    & skf18("1","4","2","4","1","10","1") = "9"
    & skf18("1","4","2","4","2","1","1") = "3"
    & skf18("1","4","2","4","2","2","1") = "3"
    & skf18("1","4","2","4","2","3","1") = "3"
    & skf18("1","4","2","4","2","4","1") = "3"
    & skf18("1","4","2","4","2","5","1") = "4"
    & skf18("1","4","2","4","2","6","1") = "5"
    & skf18("1","4","2","4","2","7","1") = "6"
    & skf18("1","4","2","4","2","8","1") = "7"
    & skf18("1","4","2","4","2","9","1") = "8"
    & skf18("1","4","2","4","2","10","1") = "9"
    & skf18("1","4","2","4","3","1","1") = "3"
    & skf18("1","4","2","4","3","2","1") = "3"
    & skf18("1","4","2","4","3","3","1") = "3"
    & skf18("1","4","2","4","3","4","1") = "3"
    & skf18("1","4","2","4","3","5","1") = "4"
    & skf18("1","4","2","4","3","6","1") = "5"
    & skf18("1","4","2","4","3","7","1") = "6"
    & skf18("1","4","2","4","3","8","1") = "7"
    & skf18("1","4","2","4","3","9","1") = "8"
    & skf18("1","4","2","4","3","10","1") = "9"
    & skf18("1","4","2","4","4","1","1") = "3"
    & skf18("1","4","2","4","4","2","1") = "3"
    & skf18("1","4","2","4","4","3","1") = "3"
    & skf18("1","4","2","4","4","4","1") = "3"
    & skf18("1","4","2","4","4","5","1") = "4"
    & skf18("1","4","2","4","4","6","1") = "5"
    & skf18("1","4","2","4","4","7","1") = "6"
    & skf18("1","4","2","4","4","8","1") = "7"
    & skf18("1","4","2","4","4","9","1") = "8"
    & skf18("1","4","2","4","4","10","1") = "9"
    & skf18("1","4","2","4","5","1","1") = "4"
    & skf18("1","4","2","4","5","2","1") = "4"
    & skf18("1","4","2","4","5","3","1") = "4"
    & skf18("1","4","2","4","5","4","1") = "4"
    & skf18("1","4","2","4","5","5","1") = "4"
    & skf18("1","4","2","4","5","6","1") = "5"
    & skf18("1","4","2","4","5","7","1") = "6"
    & skf18("1","4","2","4","5","8","1") = "7"
    & skf18("1","4","2","4","5","9","1") = "8"
    & skf18("1","4","2","4","5","10","1") = "9"
    & skf18("1","4","2","4","6","1","1") = "5"
    & skf18("1","4","2","4","6","2","1") = "5"
    & skf18("1","4","2","4","6","3","1") = "5"
    & skf18("1","4","2","4","6","4","1") = "5"
    & skf18("1","4","2","4","6","5","1") = "5"
    & skf18("1","4","2","4","6","6","1") = "5"
    & skf18("1","4","2","4","6","7","1") = "6"
    & skf18("1","4","2","4","6","8","1") = "7"
    & skf18("1","4","2","4","6","9","1") = "8"
    & skf18("1","4","2","4","6","10","1") = "9"
    & skf18("1","4","2","4","7","1","1") = "6"
    & skf18("1","4","2","4","7","2","1") = "6"
    & skf18("1","4","2","4","7","3","1") = "6"
    & skf18("1","4","2","4","7","4","1") = "6"
    & skf18("1","4","2","4","7","5","1") = "6"
    & skf18("1","4","2","4","7","6","1") = "6"
    & skf18("1","4","2","4","7","7","1") = "6"
    & skf18("1","4","2","4","7","8","1") = "7"
    & skf18("1","4","2","4","7","9","1") = "8"
    & skf18("1","4","2","4","7","10","1") = "9"
    & skf18("1","4","2","4","8","1","1") = "7"
    & skf18("1","4","2","4","8","2","1") = "7"
    & skf18("1","4","2","4","8","3","1") = "7"
    & skf18("1","4","2","4","8","4","1") = "7"
    & skf18("1","4","2","4","8","5","1") = "7"
    & skf18("1","4","2","4","8","6","1") = "7"
    & skf18("1","4","2","4","8","7","1") = "7"
    & skf18("1","4","2","4","8","8","1") = "7"
    & skf18("1","4","2","4","8","9","1") = "8"
    & skf18("1","4","2","4","8","10","1") = "9"
    & skf18("1","4","2","4","9","1","1") = "8"
    & skf18("1","4","2","4","9","2","1") = "8"
    & skf18("1","4","2","4","9","3","1") = "8"
    & skf18("1","4","2","4","9","4","1") = "8"
    & skf18("1","4","2","4","9","5","1") = "8"
    & skf18("1","4","2","4","9","6","1") = "8"
    & skf18("1","4","2","4","9","7","1") = "8"
    & skf18("1","4","2","4","9","8","1") = "8"
    & skf18("1","4","2","4","9","9","1") = "8"
    & skf18("1","4","2","4","9","10","1") = "9"
    & skf18("1","4","2","4","10","1","1") = "9"
    & skf18("1","4","2","4","10","2","1") = "9"
    & skf18("1","4","2","4","10","3","1") = "9"
    & skf18("1","4","2","4","10","4","1") = "9"
    & skf18("1","4","2","4","10","5","1") = "9"
    & skf18("1","4","2","4","10","6","1") = "9"
    & skf18("1","4","2","4","10","7","1") = "9"
    & skf18("1","4","2","4","10","8","1") = "9"
    & skf18("1","4","2","4","10","9","1") = "9"
    & skf18("1","4","2","4","10","10","1") = "9"
    & skf18("1","4","2","5","1","1","1") = "4"
    & skf18("1","4","2","5","1","2","1") = "4"
    & skf18("1","4","2","5","1","3","1") = "4"
    & skf18("1","4","2","5","1","4","1") = "4"
    & skf18("1","4","2","5","1","5","1") = "4"
    & skf18("1","4","2","5","1","6","1") = "5"
    & skf18("1","4","2","5","1","7","1") = "6"
    & skf18("1","4","2","5","1","8","1") = "7"
    & skf18("1","4","2","5","1","9","1") = "8"
    & skf18("1","4","2","5","1","10","1") = "9"
    & skf18("1","4","2","5","2","1","1") = "4"
    & skf18("1","4","2","5","2","2","1") = "4"
    & skf18("1","4","2","5","2","3","1") = "4"
    & skf18("1","4","2","5","2","4","1") = "4"
    & skf18("1","4","2","5","2","5","1") = "4"
    & skf18("1","4","2","5","2","6","1") = "5"
    & skf18("1","4","2","5","2","7","1") = "6"
    & skf18("1","4","2","5","2","8","1") = "7"
    & skf18("1","4","2","5","2","9","1") = "8"
    & skf18("1","4","2","5","2","10","1") = "9"
    & skf18("1","4","2","5","3","1","1") = "4"
    & skf18("1","4","2","5","3","2","1") = "4"
    & skf18("1","4","2","5","3","3","1") = "4"
    & skf18("1","4","2","5","3","4","1") = "4"
    & skf18("1","4","2","5","3","5","1") = "4"
    & skf18("1","4","2","5","3","6","1") = "5"
    & skf18("1","4","2","5","3","7","1") = "6"
    & skf18("1","4","2","5","3","8","1") = "7"
    & skf18("1","4","2","5","3","9","1") = "8"
    & skf18("1","4","2","5","3","10","1") = "9"
    & skf18("1","4","2","5","4","1","1") = "4"
    & skf18("1","4","2","5","4","2","1") = "4"
    & skf18("1","4","2","5","4","3","1") = "4"
    & skf18("1","4","2","5","4","4","1") = "4"
    & skf18("1","4","2","5","4","5","1") = "4"
    & skf18("1","4","2","5","4","6","1") = "5"
    & skf18("1","4","2","5","4","7","1") = "6"
    & skf18("1","4","2","5","4","8","1") = "7"
    & skf18("1","4","2","5","4","9","1") = "8"
    & skf18("1","4","2","5","4","10","1") = "9"
    & skf18("1","4","2","5","5","1","1") = "4"
    & skf18("1","4","2","5","5","2","1") = "4"
    & skf18("1","4","2","5","5","3","1") = "4"
    & skf18("1","4","2","5","5","4","1") = "4"
    & skf18("1","4","2","5","5","5","1") = "4"
    & skf18("1","4","2","5","5","6","1") = "5"
    & skf18("1","4","2","5","5","7","1") = "6"
    & skf18("1","4","2","5","5","8","1") = "7"
    & skf18("1","4","2","5","5","9","1") = "8"
    & skf18("1","4","2","5","5","10","1") = "9"
    & skf18("1","4","2","5","6","1","1") = "5"
    & skf18("1","4","2","5","6","2","1") = "5"
    & skf18("1","4","2","5","6","3","1") = "5"
    & skf18("1","4","2","5","6","4","1") = "5"
    & skf18("1","4","2","5","6","5","1") = "5"
    & skf18("1","4","2","5","6","6","1") = "5"
    & skf18("1","4","2","5","6","7","1") = "6"
    & skf18("1","4","2","5","6","8","1") = "7"
    & skf18("1","4","2","5","6","9","1") = "8"
    & skf18("1","4","2","5","6","10","1") = "9"
    & skf18("1","4","2","5","7","1","1") = "6"
    & skf18("1","4","2","5","7","2","1") = "6"
    & skf18("1","4","2","5","7","3","1") = "6"
    & skf18("1","4","2","5","7","4","1") = "6"
    & skf18("1","4","2","5","7","5","1") = "6"
    & skf18("1","4","2","5","7","6","1") = "6"
    & skf18("1","4","2","5","7","7","1") = "6"
    & skf18("1","4","2","5","7","8","1") = "7"
    & skf18("1","4","2","5","7","9","1") = "8"
    & skf18("1","4","2","5","7","10","1") = "9"
    & skf18("1","4","2","5","8","1","1") = "7"
    & skf18("1","4","2","5","8","2","1") = "7"
    & skf18("1","4","2","5","8","3","1") = "7"
    & skf18("1","4","2","5","8","4","1") = "7"
    & skf18("1","4","2","5","8","5","1") = "7"
    & skf18("1","4","2","5","8","6","1") = "7"
    & skf18("1","4","2","5","8","7","1") = "7"
    & skf18("1","4","2","5","8","8","1") = "7"
    & skf18("1","4","2","5","8","9","1") = "8"
    & skf18("1","4","2","5","8","10","1") = "9"
    & skf18("1","4","2","5","9","1","1") = "8"
    & skf18("1","4","2","5","9","2","1") = "8"
    & skf18("1","4","2","5","9","3","1") = "8"
    & skf18("1","4","2","5","9","4","1") = "8"
    & skf18("1","4","2","5","9","5","1") = "8"
    & skf18("1","4","2","5","9","6","1") = "8"
    & skf18("1","4","2","5","9","7","1") = "8"
    & skf18("1","4","2","5","9","8","1") = "8"
    & skf18("1","4","2","5","9","9","1") = "8"
    & skf18("1","4","2","5","9","10","1") = "9"
    & skf18("1","4","2","5","10","1","1") = "9"
    & skf18("1","4","2","5","10","2","1") = "9"
    & skf18("1","4","2","5","10","3","1") = "9"
    & skf18("1","4","2","5","10","4","1") = "9"
    & skf18("1","4","2","5","10","5","1") = "9"
    & skf18("1","4","2","5","10","6","1") = "9"
    & skf18("1","4","2","5","10","7","1") = "9"
    & skf18("1","4","2","5","10","8","1") = "9"
    & skf18("1","4","2","5","10","9","1") = "9"
    & skf18("1","4","2","5","10","10","1") = "9"
    & skf18("1","4","2","6","1","1","1") = "5"
    & skf18("1","4","2","6","1","2","1") = "5"
    & skf18("1","4","2","6","1","3","1") = "5"
    & skf18("1","4","2","6","1","4","1") = "5"
    & skf18("1","4","2","6","1","5","1") = "5"
    & skf18("1","4","2","6","1","6","1") = "5"
    & skf18("1","4","2","6","1","7","1") = "6"
    & skf18("1","4","2","6","1","8","1") = "7"
    & skf18("1","4","2","6","1","9","1") = "8"
    & skf18("1","4","2","6","1","10","1") = "9"
    & skf18("1","4","2","6","2","1","1") = "5"
    & skf18("1","4","2","6","2","2","1") = "5"
    & skf18("1","4","2","6","2","3","1") = "5"
    & skf18("1","4","2","6","2","4","1") = "5"
    & skf18("1","4","2","6","2","5","1") = "5"
    & skf18("1","4","2","6","2","6","1") = "5"
    & skf18("1","4","2","6","2","7","1") = "6"
    & skf18("1","4","2","6","2","8","1") = "7"
    & skf18("1","4","2","6","2","9","1") = "8"
    & skf18("1","4","2","6","2","10","1") = "9"
    & skf18("1","4","2","6","3","1","1") = "5"
    & skf18("1","4","2","6","3","2","1") = "5"
    & skf18("1","4","2","6","3","3","1") = "5"
    & skf18("1","4","2","6","3","4","1") = "5"
    & skf18("1","4","2","6","3","5","1") = "5"
    & skf18("1","4","2","6","3","6","1") = "5"
    & skf18("1","4","2","6","3","7","1") = "6"
    & skf18("1","4","2","6","3","8","1") = "7"
    & skf18("1","4","2","6","3","9","1") = "8"
    & skf18("1","4","2","6","3","10","1") = "9"
    & skf18("1","4","2","6","4","1","1") = "5"
    & skf18("1","4","2","6","4","2","1") = "5"
    & skf18("1","4","2","6","4","3","1") = "5"
    & skf18("1","4","2","6","4","4","1") = "5"
    & skf18("1","4","2","6","4","5","1") = "5"
    & skf18("1","4","2","6","4","6","1") = "5"
    & skf18("1","4","2","6","4","7","1") = "6"
    & skf18("1","4","2","6","4","8","1") = "7"
    & skf18("1","4","2","6","4","9","1") = "8"
    & skf18("1","4","2","6","4","10","1") = "9"
    & skf18("1","4","2","6","5","1","1") = "5"
    & skf18("1","4","2","6","5","2","1") = "5"
    & skf18("1","4","2","6","5","3","1") = "5"
    & skf18("1","4","2","6","5","4","1") = "5"
    & skf18("1","4","2","6","5","5","1") = "5"
    & skf18("1","4","2","6","5","6","1") = "5"
    & skf18("1","4","2","6","5","7","1") = "6"
    & skf18("1","4","2","6","5","8","1") = "7"
    & skf18("1","4","2","6","5","9","1") = "8"
    & skf18("1","4","2","6","5","10","1") = "9"
    & skf18("1","4","2","6","6","1","1") = "5"
    & skf18("1","4","2","6","6","2","1") = "5"
    & skf18("1","4","2","6","6","3","1") = "5"
    & skf18("1","4","2","6","6","4","1") = "5"
    & skf18("1","4","2","6","6","5","1") = "5"
    & skf18("1","4","2","6","6","6","1") = "5"
    & skf18("1","4","2","6","6","7","1") = "6"
    & skf18("1","4","2","6","6","8","1") = "7"
    & skf18("1","4","2","6","6","9","1") = "8"
    & skf18("1","4","2","6","6","10","1") = "9"
    & skf18("1","4","2","6","7","1","1") = "6"
    & skf18("1","4","2","6","7","2","1") = "6"
    & skf18("1","4","2","6","7","3","1") = "6"
    & skf18("1","4","2","6","7","4","1") = "6"
    & skf18("1","4","2","6","7","5","1") = "6"
    & skf18("1","4","2","6","7","6","1") = "6"
    & skf18("1","4","2","6","7","7","1") = "6"
    & skf18("1","4","2","6","7","8","1") = "7"
    & skf18("1","4","2","6","7","9","1") = "8"
    & skf18("1","4","2","6","7","10","1") = "9"
    & skf18("1","4","2","6","8","1","1") = "7"
    & skf18("1","4","2","6","8","2","1") = "7"
    & skf18("1","4","2","6","8","3","1") = "7"
    & skf18("1","4","2","6","8","4","1") = "7"
    & skf18("1","4","2","6","8","5","1") = "7"
    & skf18("1","4","2","6","8","6","1") = "7"
    & skf18("1","4","2","6","8","7","1") = "7"
    & skf18("1","4","2","6","8","8","1") = "7"
    & skf18("1","4","2","6","8","9","1") = "8"
    & skf18("1","4","2","6","8","10","1") = "9"
    & skf18("1","4","2","6","9","1","1") = "8"
    & skf18("1","4","2","6","9","2","1") = "8"
    & skf18("1","4","2","6","9","3","1") = "8"
    & skf18("1","4","2","6","9","4","1") = "8"
    & skf18("1","4","2","6","9","5","1") = "8"
    & skf18("1","4","2","6","9","6","1") = "8"
    & skf18("1","4","2","6","9","7","1") = "8"
    & skf18("1","4","2","6","9","8","1") = "8"
    & skf18("1","4","2","6","9","9","1") = "8"
    & skf18("1","4","2","6","9","10","1") = "9"
    & skf18("1","4","2","6","10","1","1") = "9"
    & skf18("1","4","2","6","10","2","1") = "9"
    & skf18("1","4","2","6","10","3","1") = "9"
    & skf18("1","4","2","6","10","4","1") = "9"
    & skf18("1","4","2","6","10","5","1") = "9"
    & skf18("1","4","2","6","10","6","1") = "9"
    & skf18("1","4","2","6","10","7","1") = "9"
    & skf18("1","4","2","6","10","8","1") = "9"
    & skf18("1","4","2","6","10","9","1") = "9"
    & skf18("1","4","2","6","10","10","1") = "9"
    & skf18("1","4","2","7","1","1","1") = "6"
    & skf18("1","4","2","7","1","2","1") = "6"
    & skf18("1","4","2","7","1","3","1") = "6"
    & skf18("1","4","2","7","1","4","1") = "6"
    & skf18("1","4","2","7","1","5","1") = "6"
    & skf18("1","4","2","7","1","6","1") = "6"
    & skf18("1","4","2","7","1","7","1") = "6"
    & skf18("1","4","2","7","1","8","1") = "7"
    & skf18("1","4","2","7","1","9","1") = "8"
    & skf18("1","4","2","7","1","10","1") = "9"
    & skf18("1","4","2","7","2","1","1") = "6"
    & skf18("1","4","2","7","2","2","1") = "6"
    & skf18("1","4","2","7","2","3","1") = "6"
    & skf18("1","4","2","7","2","4","1") = "6"
    & skf18("1","4","2","7","2","5","1") = "6"
    & skf18("1","4","2","7","2","6","1") = "6"
    & skf18("1","4","2","7","2","7","1") = "6"
    & skf18("1","4","2","7","2","8","1") = "7"
    & skf18("1","4","2","7","2","9","1") = "8"
    & skf18("1","4","2","7","2","10","1") = "9"
    & skf18("1","4","2","7","3","1","1") = "6"
    & skf18("1","4","2","7","3","2","1") = "6"
    & skf18("1","4","2","7","3","3","1") = "6"
    & skf18("1","4","2","7","3","4","1") = "6"
    & skf18("1","4","2","7","3","5","1") = "6"
    & skf18("1","4","2","7","3","6","1") = "6"
    & skf18("1","4","2","7","3","7","1") = "6"
    & skf18("1","4","2","7","3","8","1") = "7"
    & skf18("1","4","2","7","3","9","1") = "8"
    & skf18("1","4","2","7","3","10","1") = "9"
    & skf18("1","4","2","7","4","1","1") = "6"
    & skf18("1","4","2","7","4","2","1") = "6"
    & skf18("1","4","2","7","4","3","1") = "6"
    & skf18("1","4","2","7","4","4","1") = "6"
    & skf18("1","4","2","7","4","5","1") = "6"
    & skf18("1","4","2","7","4","6","1") = "6"
    & skf18("1","4","2","7","4","7","1") = "6"
    & skf18("1","4","2","7","4","8","1") = "7"
    & skf18("1","4","2","7","4","9","1") = "8"
    & skf18("1","4","2","7","4","10","1") = "9"
    & skf18("1","4","2","7","5","1","1") = "6"
    & skf18("1","4","2","7","5","2","1") = "6"
    & skf18("1","4","2","7","5","3","1") = "6"
    & skf18("1","4","2","7","5","4","1") = "6"
    & skf18("1","4","2","7","5","5","1") = "6"
    & skf18("1","4","2","7","5","6","1") = "6"
    & skf18("1","4","2","7","5","7","1") = "6"
    & skf18("1","4","2","7","5","8","1") = "7"
    & skf18("1","4","2","7","5","9","1") = "8"
    & skf18("1","4","2","7","5","10","1") = "9"
    & skf18("1","4","2","7","6","1","1") = "6"
    & skf18("1","4","2","7","6","2","1") = "6"
    & skf18("1","4","2","7","6","3","1") = "6"
    & skf18("1","4","2","7","6","4","1") = "6"
    & skf18("1","4","2","7","6","5","1") = "6"
    & skf18("1","4","2","7","6","6","1") = "6"
    & skf18("1","4","2","7","6","7","1") = "6"
    & skf18("1","4","2","7","6","8","1") = "7"
    & skf18("1","4","2","7","6","9","1") = "8"
    & skf18("1","4","2","7","6","10","1") = "9"
    & skf18("1","4","2","7","7","1","1") = "6"
    & skf18("1","4","2","7","7","2","1") = "6"
    & skf18("1","4","2","7","7","3","1") = "6"
    & skf18("1","4","2","7","7","4","1") = "6"
    & skf18("1","4","2","7","7","5","1") = "6"
    & skf18("1","4","2","7","7","6","1") = "6"
    & skf18("1","4","2","7","7","7","1") = "6"
    & skf18("1","4","2","7","7","8","1") = "7"
    & skf18("1","4","2","7","7","9","1") = "8"
    & skf18("1","4","2","7","7","10","1") = "9"
    & skf18("1","4","2","7","8","1","1") = "7"
    & skf18("1","4","2","7","8","2","1") = "7"
    & skf18("1","4","2","7","8","3","1") = "7"
    & skf18("1","4","2","7","8","4","1") = "7"
    & skf18("1","4","2","7","8","5","1") = "7"
    & skf18("1","4","2","7","8","6","1") = "7"
    & skf18("1","4","2","7","8","7","1") = "7"
    & skf18("1","4","2","7","8","8","1") = "7"
    & skf18("1","4","2","7","8","9","1") = "8"
    & skf18("1","4","2","7","8","10","1") = "9"
    & skf18("1","4","2","7","9","1","1") = "8"
    & skf18("1","4","2","7","9","2","1") = "8"
    & skf18("1","4","2","7","9","3","1") = "8"
    & skf18("1","4","2","7","9","4","1") = "8"
    & skf18("1","4","2","7","9","5","1") = "8"
    & skf18("1","4","2","7","9","6","1") = "8"
    & skf18("1","4","2","7","9","7","1") = "8"
    & skf18("1","4","2","7","9","8","1") = "8"
    & skf18("1","4","2","7","9","9","1") = "8"
    & skf18("1","4","2","7","9","10","1") = "9"
    & skf18("1","4","2","7","10","1","1") = "9"
    & skf18("1","4","2","7","10","2","1") = "9"
    & skf18("1","4","2","7","10","3","1") = "9"
    & skf18("1","4","2","7","10","4","1") = "9"
    & skf18("1","4","2","7","10","5","1") = "9"
    & skf18("1","4","2","7","10","6","1") = "9"
    & skf18("1","4","2","7","10","7","1") = "9"
    & skf18("1","4","2","7","10","8","1") = "9"
    & skf18("1","4","2","7","10","9","1") = "9"
    & skf18("1","4","2","7","10","10","1") = "9"
    & skf18("1","4","2","8","1","1","1") = "7"
    & skf18("1","4","2","8","1","2","1") = "7"
    & skf18("1","4","2","8","1","3","1") = "7"
    & skf18("1","4","2","8","1","4","1") = "7"
    & skf18("1","4","2","8","1","5","1") = "7"
    & skf18("1","4","2","8","1","6","1") = "7"
    & skf18("1","4","2","8","1","7","1") = "7"
    & skf18("1","4","2","8","1","8","1") = "7"
    & skf18("1","4","2","8","1","9","1") = "8"
    & skf18("1","4","2","8","1","10","1") = "9"
    & skf18("1","4","2","8","2","1","1") = "7"
    & skf18("1","4","2","8","2","2","1") = "7"
    & skf18("1","4","2","8","2","3","1") = "7"
    & skf18("1","4","2","8","2","4","1") = "7"
    & skf18("1","4","2","8","2","5","1") = "7"
    & skf18("1","4","2","8","2","6","1") = "7"
    & skf18("1","4","2","8","2","7","1") = "7"
    & skf18("1","4","2","8","2","8","1") = "7"
    & skf18("1","4","2","8","2","9","1") = "8"
    & skf18("1","4","2","8","2","10","1") = "9"
    & skf18("1","4","2","8","3","1","1") = "7"
    & skf18("1","4","2","8","3","2","1") = "7"
    & skf18("1","4","2","8","3","3","1") = "7"
    & skf18("1","4","2","8","3","4","1") = "7"
    & skf18("1","4","2","8","3","5","1") = "7"
    & skf18("1","4","2","8","3","6","1") = "7"
    & skf18("1","4","2","8","3","7","1") = "7"
    & skf18("1","4","2","8","3","8","1") = "7"
    & skf18("1","4","2","8","3","9","1") = "8"
    & skf18("1","4","2","8","3","10","1") = "9"
    & skf18("1","4","2","8","4","1","1") = "7"
    & skf18("1","4","2","8","4","2","1") = "7"
    & skf18("1","4","2","8","4","3","1") = "7"
    & skf18("1","4","2","8","4","4","1") = "7"
    & skf18("1","4","2","8","4","5","1") = "7"
    & skf18("1","4","2","8","4","6","1") = "7"
    & skf18("1","4","2","8","4","7","1") = "7"
    & skf18("1","4","2","8","4","8","1") = "7"
    & skf18("1","4","2","8","4","9","1") = "8"
    & skf18("1","4","2","8","4","10","1") = "9"
    & skf18("1","4","2","8","5","1","1") = "7"
    & skf18("1","4","2","8","5","2","1") = "7"
    & skf18("1","4","2","8","5","3","1") = "7"
    & skf18("1","4","2","8","5","4","1") = "7"
    & skf18("1","4","2","8","5","5","1") = "7"
    & skf18("1","4","2","8","5","6","1") = "7"
    & skf18("1","4","2","8","5","7","1") = "7"
    & skf18("1","4","2","8","5","8","1") = "7"
    & skf18("1","4","2","8","5","9","1") = "8"
    & skf18("1","4","2","8","5","10","1") = "9"
    & skf18("1","4","2","8","6","1","1") = "7"
    & skf18("1","4","2","8","6","2","1") = "7"
    & skf18("1","4","2","8","6","3","1") = "7"
    & skf18("1","4","2","8","6","4","1") = "7"
    & skf18("1","4","2","8","6","5","1") = "7"
    & skf18("1","4","2","8","6","6","1") = "7"
    & skf18("1","4","2","8","6","7","1") = "7"
    & skf18("1","4","2","8","6","8","1") = "7"
    & skf18("1","4","2","8","6","9","1") = "8"
    & skf18("1","4","2","8","6","10","1") = "9"
    & skf18("1","4","2","8","7","1","1") = "7"
    & skf18("1","4","2","8","7","2","1") = "7"
    & skf18("1","4","2","8","7","3","1") = "7"
    & skf18("1","4","2","8","7","4","1") = "7"
    & skf18("1","4","2","8","7","5","1") = "7"
    & skf18("1","4","2","8","7","6","1") = "7"
    & skf18("1","4","2","8","7","7","1") = "7"
    & skf18("1","4","2","8","7","8","1") = "7"
    & skf18("1","4","2","8","7","9","1") = "8"
    & skf18("1","4","2","8","7","10","1") = "9"
    & skf18("1","4","2","8","8","1","1") = "7"
    & skf18("1","4","2","8","8","2","1") = "7"
    & skf18("1","4","2","8","8","3","1") = "7"
    & skf18("1","4","2","8","8","4","1") = "7"
    & skf18("1","4","2","8","8","5","1") = "7"
    & skf18("1","4","2","8","8","6","1") = "7"
    & skf18("1","4","2","8","8","7","1") = "7"
    & skf18("1","4","2","8","8","8","1") = "7"
    & skf18("1","4","2","8","8","9","1") = "8"
    & skf18("1","4","2","8","8","10","1") = "9"
    & skf18("1","4","2","8","9","1","1") = "8"
    & skf18("1","4","2","8","9","2","1") = "8"
    & skf18("1","4","2","8","9","3","1") = "8"
    & skf18("1","4","2","8","9","4","1") = "8"
    & skf18("1","4","2","8","9","5","1") = "8"
    & skf18("1","4","2","8","9","6","1") = "8"
    & skf18("1","4","2","8","9","7","1") = "8"
    & skf18("1","4","2","8","9","8","1") = "8"
    & skf18("1","4","2","8","9","9","1") = "8"
    & skf18("1","4","2","8","9","10","1") = "9"
    & skf18("1","4","2","8","10","1","1") = "9"
    & skf18("1","4","2","8","10","2","1") = "9"
    & skf18("1","4","2","8","10","3","1") = "9"
    & skf18("1","4","2","8","10","4","1") = "9"
    & skf18("1","4","2","8","10","5","1") = "9"
    & skf18("1","4","2","8","10","6","1") = "9"
    & skf18("1","4","2","8","10","7","1") = "9"
    & skf18("1","4","2","8","10","8","1") = "9"
    & skf18("1","4","2","8","10","9","1") = "9"
    & skf18("1","4","2","8","10","10","1") = "9"
    & skf18("1","4","2","9","1","1","1") = "8"
    & skf18("1","4","2","9","1","2","1") = "8"
    & skf18("1","4","2","9","1","3","1") = "8"
    & skf18("1","4","2","9","1","4","1") = "8"
    & skf18("1","4","2","9","1","5","1") = "8"
    & skf18("1","4","2","9","1","6","1") = "8"
    & skf18("1","4","2","9","1","7","1") = "8"
    & skf18("1","4","2","9","1","8","1") = "8"
    & skf18("1","4","2","9","1","9","1") = "8"
    & skf18("1","4","2","9","1","10","1") = "9"
    & skf18("1","4","2","9","2","1","1") = "8"
    & skf18("1","4","2","9","2","2","1") = "8"
    & skf18("1","4","2","9","2","3","1") = "8"
    & skf18("1","4","2","9","2","4","1") = "8"
    & skf18("1","4","2","9","2","5","1") = "8"
    & skf18("1","4","2","9","2","6","1") = "8"
    & skf18("1","4","2","9","2","7","1") = "8"
    & skf18("1","4","2","9","2","8","1") = "8"
    & skf18("1","4","2","9","2","9","1") = "8"
    & skf18("1","4","2","9","2","10","1") = "9"
    & skf18("1","4","2","9","3","1","1") = "8"
    & skf18("1","4","2","9","3","2","1") = "8"
    & skf18("1","4","2","9","3","3","1") = "8"
    & skf18("1","4","2","9","3","4","1") = "8"
    & skf18("1","4","2","9","3","5","1") = "8"
    & skf18("1","4","2","9","3","6","1") = "8"
    & skf18("1","4","2","9","3","7","1") = "8"
    & skf18("1","4","2","9","3","8","1") = "8"
    & skf18("1","4","2","9","3","9","1") = "8"
    & skf18("1","4","2","9","3","10","1") = "9"
    & skf18("1","4","2","9","4","1","1") = "8"
    & skf18("1","4","2","9","4","2","1") = "8"
    & skf18("1","4","2","9","4","3","1") = "8"
    & skf18("1","4","2","9","4","4","1") = "8"
    & skf18("1","4","2","9","4","5","1") = "8"
    & skf18("1","4","2","9","4","6","1") = "8"
    & skf18("1","4","2","9","4","7","1") = "8"
    & skf18("1","4","2","9","4","8","1") = "8"
    & skf18("1","4","2","9","4","9","1") = "8"
    & skf18("1","4","2","9","4","10","1") = "9"
    & skf18("1","4","2","9","5","1","1") = "8"
    & skf18("1","4","2","9","5","2","1") = "8"
    & skf18("1","4","2","9","5","3","1") = "8"
    & skf18("1","4","2","9","5","4","1") = "8"
    & skf18("1","4","2","9","5","5","1") = "8"
    & skf18("1","4","2","9","5","6","1") = "8"
    & skf18("1","4","2","9","5","7","1") = "8"
    & skf18("1","4","2","9","5","8","1") = "8"
    & skf18("1","4","2","9","5","9","1") = "8"
    & skf18("1","4","2","9","5","10","1") = "9"
    & skf18("1","4","2","9","6","1","1") = "8"
    & skf18("1","4","2","9","6","2","1") = "8"
    & skf18("1","4","2","9","6","3","1") = "8"
    & skf18("1","4","2","9","6","4","1") = "8"
    & skf18("1","4","2","9","6","5","1") = "8"
    & skf18("1","4","2","9","6","6","1") = "8"
    & skf18("1","4","2","9","6","7","1") = "8"
    & skf18("1","4","2","9","6","8","1") = "8"
    & skf18("1","4","2","9","6","9","1") = "8"
    & skf18("1","4","2","9","6","10","1") = "9"
    & skf18("1","4","2","9","7","1","1") = "8"
    & skf18("1","4","2","9","7","2","1") = "8"
    & skf18("1","4","2","9","7","3","1") = "8"
    & skf18("1","4","2","9","7","4","1") = "8"
    & skf18("1","4","2","9","7","5","1") = "8"
    & skf18("1","4","2","9","7","6","1") = "8"
    & skf18("1","4","2","9","7","7","1") = "8"
    & skf18("1","4","2","9","7","8","1") = "8"
    & skf18("1","4","2","9","7","9","1") = "8"
    & skf18("1","4","2","9","7","10","1") = "9"
    & skf18("1","4","2","9","8","1","1") = "8"
    & skf18("1","4","2","9","8","2","1") = "8"
    & skf18("1","4","2","9","8","3","1") = "8"
    & skf18("1","4","2","9","8","4","1") = "8"
    & skf18("1","4","2","9","8","5","1") = "8"
    & skf18("1","4","2","9","8","6","1") = "8"
    & skf18("1","4","2","9","8","7","1") = "8"
    & skf18("1","4","2","9","8","8","1") = "8"
    & skf18("1","4","2","9","8","9","1") = "8"
    & skf18("1","4","2","9","8","10","1") = "9"
    & skf18("1","4","2","9","9","1","1") = "8"
    & skf18("1","4","2","9","9","2","1") = "8"
    & skf18("1","4","2","9","9","3","1") = "8"
    & skf18("1","4","2","9","9","4","1") = "8"
    & skf18("1","4","2","9","9","5","1") = "8"
    & skf18("1","4","2","9","9","6","1") = "8"
    & skf18("1","4","2","9","9","7","1") = "8"
    & skf18("1","4","2","9","9","8","1") = "8"
    & skf18("1","4","2","9","9","9","1") = "8"
    & skf18("1","4","2","9","9","10","1") = "9"
    & skf18("1","4","2","9","10","1","1") = "9"
    & skf18("1","4","2","9","10","2","1") = "9"
    & skf18("1","4","2","9","10","3","1") = "9"
    & skf18("1","4","2","9","10","4","1") = "9"
    & skf18("1","4","2","9","10","5","1") = "9"
    & skf18("1","4","2","9","10","6","1") = "9"
    & skf18("1","4","2","9","10","7","1") = "9"
    & skf18("1","4","2","9","10","8","1") = "9"
    & skf18("1","4","2","9","10","9","1") = "9"
    & skf18("1","4","2","9","10","10","1") = "9"
    & skf18("1","4","2","10","1","1","1") = "9"
    & skf18("1","4","2","10","1","2","1") = "9"
    & skf18("1","4","2","10","1","3","1") = "9"
    & skf18("1","4","2","10","1","4","1") = "9"
    & skf18("1","4","2","10","1","5","1") = "9"
    & skf18("1","4","2","10","1","6","1") = "9"
    & skf18("1","4","2","10","1","7","1") = "9"
    & skf18("1","4","2","10","1","8","1") = "9"
    & skf18("1","4","2","10","1","9","1") = "9"
    & skf18("1","4","2","10","1","10","1") = "9"
    & skf18("1","4","2","10","2","1","1") = "9"
    & skf18("1","4","2","10","2","2","1") = "9"
    & skf18("1","4","2","10","2","3","1") = "9"
    & skf18("1","4","2","10","2","4","1") = "9"
    & skf18("1","4","2","10","2","5","1") = "9"
    & skf18("1","4","2","10","2","6","1") = "9"
    & skf18("1","4","2","10","2","7","1") = "9"
    & skf18("1","4","2","10","2","8","1") = "9"
    & skf18("1","4","2","10","2","9","1") = "9"
    & skf18("1","4","2","10","2","10","1") = "9"
    & skf18("1","4","2","10","3","1","1") = "9"
    & skf18("1","4","2","10","3","2","1") = "9"
    & skf18("1","4","2","10","3","3","1") = "9"
    & skf18("1","4","2","10","3","4","1") = "9"
    & skf18("1","4","2","10","3","5","1") = "9"
    & skf18("1","4","2","10","3","6","1") = "9"
    & skf18("1","4","2","10","3","7","1") = "9"
    & skf18("1","4","2","10","3","8","1") = "9"
    & skf18("1","4","2","10","3","9","1") = "9"
    & skf18("1","4","2","10","3","10","1") = "9"
    & skf18("1","4","2","10","4","1","1") = "9"
    & skf18("1","4","2","10","4","2","1") = "9"
    & skf18("1","4","2","10","4","3","1") = "9"
    & skf18("1","4","2","10","4","4","1") = "9"
    & skf18("1","4","2","10","4","5","1") = "9"
    & skf18("1","4","2","10","4","6","1") = "9"
    & skf18("1","4","2","10","4","7","1") = "9"
    & skf18("1","4","2","10","4","8","1") = "9"
    & skf18("1","4","2","10","4","9","1") = "9"
    & skf18("1","4","2","10","4","10","1") = "9"
    & skf18("1","4","2","10","5","1","1") = "9"
    & skf18("1","4","2","10","5","2","1") = "9"
    & skf18("1","4","2","10","5","3","1") = "9"
    & skf18("1","4","2","10","5","4","1") = "9"
    & skf18("1","4","2","10","5","5","1") = "9"
    & skf18("1","4","2","10","5","6","1") = "9"
    & skf18("1","4","2","10","5","7","1") = "9"
    & skf18("1","4","2","10","5","8","1") = "9"
    & skf18("1","4","2","10","5","9","1") = "9"
    & skf18("1","4","2","10","5","10","1") = "9"
    & skf18("1","4","2","10","6","1","1") = "9"
    & skf18("1","4","2","10","6","2","1") = "9"
    & skf18("1","4","2","10","6","3","1") = "9"
    & skf18("1","4","2","10","6","4","1") = "9"
    & skf18("1","4","2","10","6","5","1") = "9"
    & skf18("1","4","2","10","6","6","1") = "9"
    & skf18("1","4","2","10","6","7","1") = "9"
    & skf18("1","4","2","10","6","8","1") = "9"
    & skf18("1","4","2","10","6","9","1") = "9"
    & skf18("1","4","2","10","6","10","1") = "9"
    & skf18("1","4","2","10","7","1","1") = "9"
    & skf18("1","4","2","10","7","2","1") = "9"
    & skf18("1","4","2","10","7","3","1") = "9"
    & skf18("1","4","2","10","7","4","1") = "9"
    & skf18("1","4","2","10","7","5","1") = "9"
    & skf18("1","4","2","10","7","6","1") = "9"
    & skf18("1","4","2","10","7","7","1") = "9"
    & skf18("1","4","2","10","7","8","1") = "9"
    & skf18("1","4","2","10","7","9","1") = "9"
    & skf18("1","4","2","10","7","10","1") = "9"
    & skf18("1","4","2","10","8","1","1") = "9"
    & skf18("1","4","2","10","8","2","1") = "9"
    & skf18("1","4","2","10","8","3","1") = "9"
    & skf18("1","4","2","10","8","4","1") = "9"
    & skf18("1","4","2","10","8","5","1") = "9"
    & skf18("1","4","2","10","8","6","1") = "9"
    & skf18("1","4","2","10","8","7","1") = "9"
    & skf18("1","4","2","10","8","8","1") = "9"
    & skf18("1","4","2","10","8","9","1") = "9"
    & skf18("1","4","2","10","8","10","1") = "9"
    & skf18("1","4","2","10","9","1","1") = "9"
    & skf18("1","4","2","10","9","2","1") = "9"
    & skf18("1","4","2","10","9","3","1") = "9"
    & skf18("1","4","2","10","9","4","1") = "9"
    & skf18("1","4","2","10","9","5","1") = "9"
    & skf18("1","4","2","10","9","6","1") = "9"
    & skf18("1","4","2","10","9","7","1") = "9"
    & skf18("1","4","2","10","9","8","1") = "9"
    & skf18("1","4","2","10","9","9","1") = "9"
    & skf18("1","4","2","10","9","10","1") = "9"
    & skf18("1","4","2","10","10","1","1") = "9"
    & skf18("1","4","2","10","10","2","1") = "9"
    & skf18("1","4","2","10","10","3","1") = "9"
    & skf18("1","4","2","10","10","4","1") = "9"
    & skf18("1","4","2","10","10","5","1") = "9"
    & skf18("1","4","2","10","10","6","1") = "9"
    & skf18("1","4","2","10","10","7","1") = "9"
    & skf18("1","4","2","10","10","8","1") = "9"
    & skf18("1","4","2","10","10","9","1") = "9"
    & skf18("1","4","2","10","10","10","1") = "9"
    & skf18("1","4","3","1","1","1","1") = "3"
    & skf18("1","4","3","1","1","2","1") = "3"
    & skf18("1","4","3","1","1","3","1") = "3"
    & skf18("1","4","3","1","1","4","1") = "3"
    & skf18("1","4","3","1","1","5","1") = "4"
    & skf18("1","4","3","1","1","6","1") = "5"
    & skf18("1","4","3","1","1","7","1") = "6"
    & skf18("1","4","3","1","1","8","1") = "7"
    & skf18("1","4","3","1","1","9","1") = "8"
    & skf18("1","4","3","1","1","10","1") = "9"
    & skf18("1","4","3","1","2","1","1") = "3"
    & skf18("1","4","3","1","2","2","1") = "3"
    & skf18("1","4","3","1","2","3","1") = "3"
    & skf18("1","4","3","1","2","4","1") = "3"
    & skf18("1","4","3","1","2","5","1") = "4"
    & skf18("1","4","3","1","2","6","1") = "5"
    & skf18("1","4","3","1","2","7","1") = "6"
    & skf18("1","4","3","1","2","8","1") = "7"
    & skf18("1","4","3","1","2","9","1") = "8"
    & skf18("1","4","3","1","2","10","1") = "9"
    & skf18("1","4","3","1","3","1","1") = "3"
    & skf18("1","4","3","1","3","2","1") = "3"
    & skf18("1","4","3","1","3","3","1") = "3"
    & skf18("1","4","3","1","3","4","1") = "3"
    & skf18("1","4","3","1","3","5","1") = "4"
    & skf18("1","4","3","1","3","6","1") = "5"
    & skf18("1","4","3","1","3","7","1") = "6"
    & skf18("1","4","3","1","3","8","1") = "7"
    & skf18("1","4","3","1","3","9","1") = "8"
    & skf18("1","4","3","1","3","10","1") = "9"
    & skf18("1","4","3","1","4","1","1") = "3"
    & skf18("1","4","3","1","4","2","1") = "3"
    & skf18("1","4","3","1","4","3","1") = "3"
    & skf18("1","4","3","1","4","4","1") = "3"
    & skf18("1","4","3","1","4","5","1") = "4"
    & skf18("1","4","3","1","4","6","1") = "5"
    & skf18("1","4","3","1","4","7","1") = "6"
    & skf18("1","4","3","1","4","8","1") = "7"
    & skf18("1","4","3","1","4","9","1") = "8"
    & skf18("1","4","3","1","4","10","1") = "9"
    & skf18("1","4","3","1","5","1","1") = "4"
    & skf18("1","4","3","1","5","2","1") = "4"
    & skf18("1","4","3","1","5","3","1") = "4"
    & skf18("1","4","3","1","5","4","1") = "4"
    & skf18("1","4","3","1","5","5","1") = "4"
    & skf18("1","4","3","1","5","6","1") = "5"
    & skf18("1","4","3","1","5","7","1") = "6"
    & skf18("1","4","3","1","5","8","1") = "7"
    & skf18("1","4","3","1","5","9","1") = "8"
    & skf18("1","4","3","1","5","10","1") = "9"
    & skf18("1","4","3","1","6","1","1") = "5"
    & skf18("1","4","3","1","6","2","1") = "5"
    & skf18("1","4","3","1","6","3","1") = "5"
    & skf18("1","4","3","1","6","4","1") = "5"
    & skf18("1","4","3","1","6","5","1") = "5"
    & skf18("1","4","3","1","6","6","1") = "5"
    & skf18("1","4","3","1","6","7","1") = "6"
    & skf18("1","4","3","1","6","8","1") = "7"
    & skf18("1","4","3","1","6","9","1") = "8"
    & skf18("1","4","3","1","6","10","1") = "9"
    & skf18("1","4","3","1","7","1","1") = "6"
    & skf18("1","4","3","1","7","2","1") = "6"
    & skf18("1","4","3","1","7","3","1") = "6"
    & skf18("1","4","3","1","7","4","1") = "6"
    & skf18("1","4","3","1","7","5","1") = "6"
    & skf18("1","4","3","1","7","6","1") = "6"
    & skf18("1","4","3","1","7","7","1") = "6"
    & skf18("1","4","3","1","7","8","1") = "7"
    & skf18("1","4","3","1","7","9","1") = "8"
    & skf18("1","4","3","1","7","10","1") = "9"
    & skf18("1","4","3","1","8","1","1") = "7"
    & skf18("1","4","3","1","8","2","1") = "7"
    & skf18("1","4","3","1","8","3","1") = "7"
    & skf18("1","4","3","1","8","4","1") = "7"
    & skf18("1","4","3","1","8","5","1") = "7"
    & skf18("1","4","3","1","8","6","1") = "7"
    & skf18("1","4","3","1","8","7","1") = "7"
    & skf18("1","4","3","1","8","8","1") = "7"
    & skf18("1","4","3","1","8","9","1") = "8"
    & skf18("1","4","3","1","8","10","1") = "9"
    & skf18("1","4","3","1","9","1","1") = "8"
    & skf18("1","4","3","1","9","2","1") = "8"
    & skf18("1","4","3","1","9","3","1") = "8"
    & skf18("1","4","3","1","9","4","1") = "8"
    & skf18("1","4","3","1","9","5","1") = "8"
    & skf18("1","4","3","1","9","6","1") = "8"
    & skf18("1","4","3","1","9","7","1") = "8"
    & skf18("1","4","3","1","9","8","1") = "8"
    & skf18("1","4","3","1","9","9","1") = "8"
    & skf18("1","4","3","1","9","10","1") = "9"
    & skf18("1","4","3","1","10","1","1") = "9"
    & skf18("1","4","3","1","10","2","1") = "9"
    & skf18("1","4","3","1","10","3","1") = "9"
    & skf18("1","4","3","1","10","4","1") = "9"
    & skf18("1","4","3","1","10","5","1") = "9"
    & skf18("1","4","3","1","10","6","1") = "9"
    & skf18("1","4","3","1","10","7","1") = "9"
    & skf18("1","4","3","1","10","8","1") = "9"
    & skf18("1","4","3","1","10","9","1") = "9"
    & skf18("1","4","3","1","10","10","1") = "9"
    & skf18("1","4","3","2","1","1","1") = "3"
    & skf18("1","4","3","2","1","2","1") = "3"
    & skf18("1","4","3","2","1","3","1") = "3"
    & skf18("1","4","3","2","1","4","1") = "3"
    & skf18("1","4","3","2","1","5","1") = "4"
    & skf18("1","4","3","2","1","6","1") = "5"
    & skf18("1","4","3","2","1","7","1") = "6"
    & skf18("1","4","3","2","1","8","1") = "7"
    & skf18("1","4","3","2","1","9","1") = "8"
    & skf18("1","4","3","2","1","10","1") = "9"
    & skf18("1","4","3","2","2","1","1") = "3"
    & skf18("1","4","3","2","2","2","1") = "3"
    & skf18("1","4","3","2","2","3","1") = "3"
    & skf18("1","4","3","2","2","4","1") = "3"
    & skf18("1","4","3","2","2","5","1") = "4"
    & skf18("1","4","3","2","2","6","1") = "5"
    & skf18("1","4","3","2","2","7","1") = "6"
    & skf18("1","4","3","2","2","8","1") = "7"
    & skf18("1","4","3","2","2","9","1") = "8"
    & skf18("1","4","3","2","2","10","1") = "9"
    & skf18("1","4","3","2","3","1","1") = "3"
    & skf18("1","4","3","2","3","2","1") = "3"
    & skf18("1","4","3","2","3","3","1") = "3"
    & skf18("1","4","3","2","3","4","1") = "3"
    & skf18("1","4","3","2","3","5","1") = "4"
    & skf18("1","4","3","2","3","6","1") = "5"
    & skf18("1","4","3","2","3","7","1") = "6"
    & skf18("1","4","3","2","3","8","1") = "7"
    & skf18("1","4","3","2","3","9","1") = "8"
    & skf18("1","4","3","2","3","10","1") = "9"
    & skf18("1","4","3","2","4","1","1") = "3"
    & skf18("1","4","3","2","4","2","1") = "3"
    & skf18("1","4","3","2","4","3","1") = "3"
    & skf18("1","4","3","2","4","4","1") = "3"
    & skf18("1","4","3","2","4","5","1") = "4"
    & skf18("1","4","3","2","4","6","1") = "5"
    & skf18("1","4","3","2","4","7","1") = "6"
    & skf18("1","4","3","2","4","8","1") = "7"
    & skf18("1","4","3","2","4","9","1") = "8"
    & skf18("1","4","3","2","4","10","1") = "9"
    & skf18("1","4","3","2","5","1","1") = "4"
    & skf18("1","4","3","2","5","2","1") = "4"
    & skf18("1","4","3","2","5","3","1") = "4"
    & skf18("1","4","3","2","5","4","1") = "4"
    & skf18("1","4","3","2","5","5","1") = "4"
    & skf18("1","4","3","2","5","6","1") = "5"
    & skf18("1","4","3","2","5","7","1") = "6"
    & skf18("1","4","3","2","5","8","1") = "7"
    & skf18("1","4","3","2","5","9","1") = "8"
    & skf18("1","4","3","2","5","10","1") = "9"
    & skf18("1","4","3","2","6","1","1") = "5"
    & skf18("1","4","3","2","6","2","1") = "5"
    & skf18("1","4","3","2","6","3","1") = "5"
    & skf18("1","4","3","2","6","4","1") = "5"
    & skf18("1","4","3","2","6","5","1") = "5"
    & skf18("1","4","3","2","6","6","1") = "5"
    & skf18("1","4","3","2","6","7","1") = "6"
    & skf18("1","4","3","2","6","8","1") = "7"
    & skf18("1","4","3","2","6","9","1") = "8"
    & skf18("1","4","3","2","6","10","1") = "9"
    & skf18("1","4","3","2","7","1","1") = "6"
    & skf18("1","4","3","2","7","2","1") = "6"
    & skf18("1","4","3","2","7","3","1") = "6"
    & skf18("1","4","3","2","7","4","1") = "6"
    & skf18("1","4","3","2","7","5","1") = "6"
    & skf18("1","4","3","2","7","6","1") = "6"
    & skf18("1","4","3","2","7","7","1") = "6"
    & skf18("1","4","3","2","7","8","1") = "7"
    & skf18("1","4","3","2","7","9","1") = "8"
    & skf18("1","4","3","2","7","10","1") = "9"
    & skf18("1","4","3","2","8","1","1") = "7"
    & skf18("1","4","3","2","8","2","1") = "7"
    & skf18("1","4","3","2","8","3","1") = "7"
    & skf18("1","4","3","2","8","4","1") = "7"
    & skf18("1","4","3","2","8","5","1") = "7"
    & skf18("1","4","3","2","8","6","1") = "7"
    & skf18("1","4","3","2","8","7","1") = "7"
    & skf18("1","4","3","2","8","8","1") = "7"
    & skf18("1","4","3","2","8","9","1") = "8"
    & skf18("1","4","3","2","8","10","1") = "9"
    & skf18("1","4","3","2","9","1","1") = "8"
    & skf18("1","4","3","2","9","2","1") = "8"
    & skf18("1","4","3","2","9","3","1") = "8"
    & skf18("1","4","3","2","9","4","1") = "8"
    & skf18("1","4","3","2","9","5","1") = "8"
    & skf18("1","4","3","2","9","6","1") = "8"
    & skf18("1","4","3","2","9","7","1") = "8"
    & skf18("1","4","3","2","9","8","1") = "8"
    & skf18("1","4","3","2","9","9","1") = "8"
    & skf18("1","4","3","2","9","10","1") = "9"
    & skf18("1","4","3","2","10","1","1") = "9"
    & skf18("1","4","3","2","10","2","1") = "9"
    & skf18("1","4","3","2","10","3","1") = "9"
    & skf18("1","4","3","2","10","4","1") = "9"
    & skf18("1","4","3","2","10","5","1") = "9"
    & skf18("1","4","3","2","10","6","1") = "9"
    & skf18("1","4","3","2","10","7","1") = "9"
    & skf18("1","4","3","2","10","8","1") = "9"
    & skf18("1","4","3","2","10","9","1") = "9"
    & skf18("1","4","3","2","10","10","1") = "9"
    & skf18("1","4","3","3","1","1","1") = "3"
    & skf18("1","4","3","3","1","2","1") = "3"
    & skf18("1","4","3","3","1","3","1") = "3"
    & skf18("1","4","3","3","1","4","1") = "3"
    & skf18("1","4","3","3","1","5","1") = "4"
    & skf18("1","4","3","3","1","6","1") = "5"
    & skf18("1","4","3","3","1","7","1") = "6"
    & skf18("1","4","3","3","1","8","1") = "7"
    & skf18("1","4","3","3","1","9","1") = "8"
    & skf18("1","4","3","3","1","10","1") = "9"
    & skf18("1","4","3","3","2","1","1") = "3"
    & skf18("1","4","3","3","2","2","1") = "3"
    & skf18("1","4","3","3","2","3","1") = "3"
    & skf18("1","4","3","3","2","4","1") = "3"
    & skf18("1","4","3","3","2","5","1") = "4"
    & skf18("1","4","3","3","2","6","1") = "5"
    & skf18("1","4","3","3","2","7","1") = "6"
    & skf18("1","4","3","3","2","8","1") = "7"
    & skf18("1","4","3","3","2","9","1") = "8"
    & skf18("1","4","3","3","2","10","1") = "9"
    & skf18("1","4","3","3","3","1","1") = "3"
    & skf18("1","4","3","3","3","2","1") = "3"
    & skf18("1","4","3","3","3","3","1") = "3"
    & skf18("1","4","3","3","3","4","1") = "3"
    & skf18("1","4","3","3","3","5","1") = "4"
    & skf18("1","4","3","3","3","6","1") = "5"
    & skf18("1","4","3","3","3","7","1") = "6"
    & skf18("1","4","3","3","3","8","1") = "7"
    & skf18("1","4","3","3","3","9","1") = "8"
    & skf18("1","4","3","3","3","10","1") = "9"
    & skf18("1","4","3","3","4","1","1") = "3"
    & skf18("1","4","3","3","4","2","1") = "3"
    & skf18("1","4","3","3","4","3","1") = "3"
    & skf18("1","4","3","3","4","4","1") = "3"
    & skf18("1","4","3","3","4","5","1") = "4"
    & skf18("1","4","3","3","4","6","1") = "5"
    & skf18("1","4","3","3","4","7","1") = "6"
    & skf18("1","4","3","3","4","8","1") = "7"
    & skf18("1","4","3","3","4","9","1") = "8"
    & skf18("1","4","3","3","4","10","1") = "9"
    & skf18("1","4","3","3","5","1","1") = "4"
    & skf18("1","4","3","3","5","2","1") = "4"
    & skf18("1","4","3","3","5","3","1") = "4"
    & skf18("1","4","3","3","5","4","1") = "4"
    & skf18("1","4","3","3","5","5","1") = "4"
    & skf18("1","4","3","3","5","6","1") = "5"
    & skf18("1","4","3","3","5","7","1") = "6"
    & skf18("1","4","3","3","5","8","1") = "7"
    & skf18("1","4","3","3","5","9","1") = "8"
    & skf18("1","4","3","3","5","10","1") = "9"
    & skf18("1","4","3","3","6","1","1") = "5"
    & skf18("1","4","3","3","6","2","1") = "5"
    & skf18("1","4","3","3","6","3","1") = "5"
    & skf18("1","4","3","3","6","4","1") = "5"
    & skf18("1","4","3","3","6","5","1") = "5"
    & skf18("1","4","3","3","6","6","1") = "5"
    & skf18("1","4","3","3","6","7","1") = "6"
    & skf18("1","4","3","3","6","8","1") = "7"
    & skf18("1","4","3","3","6","9","1") = "8"
    & skf18("1","4","3","3","6","10","1") = "9"
    & skf18("1","4","3","3","7","1","1") = "6"
    & skf18("1","4","3","3","7","2","1") = "6"
    & skf18("1","4","3","3","7","3","1") = "6"
    & skf18("1","4","3","3","7","4","1") = "6"
    & skf18("1","4","3","3","7","5","1") = "6"
    & skf18("1","4","3","3","7","6","1") = "6"
    & skf18("1","4","3","3","7","7","1") = "6"
    & skf18("1","4","3","3","7","8","1") = "7"
    & skf18("1","4","3","3","7","9","1") = "8"
    & skf18("1","4","3","3","7","10","1") = "9"
    & skf18("1","4","3","3","8","1","1") = "7"
    & skf18("1","4","3","3","8","2","1") = "7"
    & skf18("1","4","3","3","8","3","1") = "7"
    & skf18("1","4","3","3","8","4","1") = "7"
    & skf18("1","4","3","3","8","5","1") = "7"
    & skf18("1","4","3","3","8","6","1") = "7"
    & skf18("1","4","3","3","8","7","1") = "7"
    & skf18("1","4","3","3","8","8","1") = "7"
    & skf18("1","4","3","3","8","9","1") = "8"
    & skf18("1","4","3","3","8","10","1") = "9"
    & skf18("1","4","3","3","9","1","1") = "8"
    & skf18("1","4","3","3","9","2","1") = "8"
    & skf18("1","4","3","3","9","3","1") = "8"
    & skf18("1","4","3","3","9","4","1") = "8"
    & skf18("1","4","3","3","9","5","1") = "8"
    & skf18("1","4","3","3","9","6","1") = "8"
    & skf18("1","4","3","3","9","7","1") = "8"
    & skf18("1","4","3","3","9","8","1") = "8"
    & skf18("1","4","3","3","9","9","1") = "8"
    & skf18("1","4","3","3","9","10","1") = "9"
    & skf18("1","4","3","3","10","1","1") = "9"
    & skf18("1","4","3","3","10","2","1") = "9"
    & skf18("1","4","3","3","10","3","1") = "9"
    & skf18("1","4","3","3","10","4","1") = "9"
    & skf18("1","4","3","3","10","5","1") = "9"
    & skf18("1","4","3","3","10","6","1") = "9"
    & skf18("1","4","3","3","10","7","1") = "9"
    & skf18("1","4","3","3","10","8","1") = "9"
    & skf18("1","4","3","3","10","9","1") = "9"
    & skf18("1","4","3","3","10","10","1") = "9"
    & skf18("1","4","3","4","1","1","1") = "3"
    & skf18("1","4","3","4","1","2","1") = "3"
    & skf18("1","4","3","4","1","3","1") = "3"
    & skf18("1","4","3","4","1","4","1") = "3"
    & skf18("1","4","3","4","1","5","1") = "4"
    & skf18("1","4","3","4","1","6","1") = "5"
    & skf18("1","4","3","4","1","7","1") = "6"
    & skf18("1","4","3","4","1","8","1") = "7"
    & skf18("1","4","3","4","1","9","1") = "8"
    & skf18("1","4","3","4","1","10","1") = "9"
    & skf18("1","4","3","4","2","1","1") = "3"
    & skf18("1","4","3","4","2","2","1") = "3"
    & skf18("1","4","3","4","2","3","1") = "3"
    & skf18("1","4","3","4","2","4","1") = "3"
    & skf18("1","4","3","4","2","5","1") = "4"
    & skf18("1","4","3","4","2","6","1") = "5"
    & skf18("1","4","3","4","2","7","1") = "6"
    & skf18("1","4","3","4","2","8","1") = "7"
    & skf18("1","4","3","4","2","9","1") = "8"
    & skf18("1","4","3","4","2","10","1") = "9"
    & skf18("1","4","3","4","3","1","1") = "3"
    & skf18("1","4","3","4","3","2","1") = "3"
    & skf18("1","4","3","4","3","3","1") = "3"
    & skf18("1","4","3","4","3","4","1") = "3"
    & skf18("1","4","3","4","3","5","1") = "4"
    & skf18("1","4","3","4","3","6","1") = "5"
    & skf18("1","4","3","4","3","7","1") = "6"
    & skf18("1","4","3","4","3","8","1") = "7"
    & skf18("1","4","3","4","3","9","1") = "8"
    & skf18("1","4","3","4","3","10","1") = "9"
    & skf18("1","4","3","4","4","1","1") = "3"
    & skf18("1","4","3","4","4","2","1") = "3"
    & skf18("1","4","3","4","4","3","1") = "3"
    & skf18("1","4","3","4","4","4","1") = "3"
    & skf18("1","4","3","4","4","5","1") = "4"
    & skf18("1","4","3","4","4","6","1") = "5"
    & skf18("1","4","3","4","4","7","1") = "6"
    & skf18("1","4","3","4","4","8","1") = "7"
    & skf18("1","4","3","4","4","9","1") = "8"
    & skf18("1","4","3","4","4","10","1") = "9"
    & skf18("1","4","3","4","5","1","1") = "4"
    & skf18("1","4","3","4","5","2","1") = "4"
    & skf18("1","4","3","4","5","3","1") = "4"
    & skf18("1","4","3","4","5","4","1") = "4"
    & skf18("1","4","3","4","5","5","1") = "4"
    & skf18("1","4","3","4","5","6","1") = "5"
    & skf18("1","4","3","4","5","7","1") = "6"
    & skf18("1","4","3","4","5","8","1") = "7"
    & skf18("1","4","3","4","5","9","1") = "8"
    & skf18("1","4","3","4","5","10","1") = "9"
    & skf18("1","4","3","4","6","1","1") = "5"
    & skf18("1","4","3","4","6","2","1") = "5"
    & skf18("1","4","3","4","6","3","1") = "5"
    & skf18("1","4","3","4","6","4","1") = "5"
    & skf18("1","4","3","4","6","5","1") = "5"
    & skf18("1","4","3","4","6","6","1") = "5"
    & skf18("1","4","3","4","6","7","1") = "6"
    & skf18("1","4","3","4","6","8","1") = "7"
    & skf18("1","4","3","4","6","9","1") = "8"
    & skf18("1","4","3","4","6","10","1") = "9"
    & skf18("1","4","3","4","7","1","1") = "6"
    & skf18("1","4","3","4","7","2","1") = "6"
    & skf18("1","4","3","4","7","3","1") = "6"
    & skf18("1","4","3","4","7","4","1") = "6"
    & skf18("1","4","3","4","7","5","1") = "6"
    & skf18("1","4","3","4","7","6","1") = "6"
    & skf18("1","4","3","4","7","7","1") = "6"
    & skf18("1","4","3","4","7","8","1") = "7"
    & skf18("1","4","3","4","7","9","1") = "8"
    & skf18("1","4","3","4","7","10","1") = "9"
    & skf18("1","4","3","4","8","1","1") = "7"
    & skf18("1","4","3","4","8","2","1") = "7"
    & skf18("1","4","3","4","8","3","1") = "7"
    & skf18("1","4","3","4","8","4","1") = "7"
    & skf18("1","4","3","4","8","5","1") = "7"
    & skf18("1","4","3","4","8","6","1") = "7"
    & skf18("1","4","3","4","8","7","1") = "7"
    & skf18("1","4","3","4","8","8","1") = "7"
    & skf18("1","4","3","4","8","9","1") = "8"
    & skf18("1","4","3","4","8","10","1") = "9"
    & skf18("1","4","3","4","9","1","1") = "8"
    & skf18("1","4","3","4","9","2","1") = "8"
    & skf18("1","4","3","4","9","3","1") = "8"
    & skf18("1","4","3","4","9","4","1") = "8"
    & skf18("1","4","3","4","9","5","1") = "8"
    & skf18("1","4","3","4","9","6","1") = "8"
    & skf18("1","4","3","4","9","7","1") = "8"
    & skf18("1","4","3","4","9","8","1") = "8"
    & skf18("1","4","3","4","9","9","1") = "8"
    & skf18("1","4","3","4","9","10","1") = "9"
    & skf18("1","4","3","4","10","1","1") = "9"
    & skf18("1","4","3","4","10","2","1") = "9"
    & skf18("1","4","3","4","10","3","1") = "9"
    & skf18("1","4","3","4","10","4","1") = "9"
    & skf18("1","4","3","4","10","5","1") = "9"
    & skf18("1","4","3","4","10","6","1") = "9"
    & skf18("1","4","3","4","10","7","1") = "9"
    & skf18("1","4","3","4","10","8","1") = "9"
    & skf18("1","4","3","4","10","9","1") = "9"
    & skf18("1","4","3","4","10","10","1") = "9"
    & skf18("1","4","3","5","1","1","1") = "4"
    & skf18("1","4","3","5","1","2","1") = "4"
    & skf18("1","4","3","5","1","3","1") = "4"
    & skf18("1","4","3","5","1","4","1") = "4"
    & skf18("1","4","3","5","1","5","1") = "4"
    & skf18("1","4","3","5","1","6","1") = "5"
    & skf18("1","4","3","5","1","7","1") = "6"
    & skf18("1","4","3","5","1","8","1") = "7"
    & skf18("1","4","3","5","1","9","1") = "8"
    & skf18("1","4","3","5","1","10","1") = "9"
    & skf18("1","4","3","5","2","1","1") = "4"
    & skf18("1","4","3","5","2","2","1") = "4"
    & skf18("1","4","3","5","2","3","1") = "4"
    & skf18("1","4","3","5","2","4","1") = "4"
    & skf18("1","4","3","5","2","5","1") = "4"
    & skf18("1","4","3","5","2","6","1") = "5"
    & skf18("1","4","3","5","2","7","1") = "6"
    & skf18("1","4","3","5","2","8","1") = "7"
    & skf18("1","4","3","5","2","9","1") = "8"
    & skf18("1","4","3","5","2","10","1") = "9"
    & skf18("1","4","3","5","3","1","1") = "4"
    & skf18("1","4","3","5","3","2","1") = "4"
    & skf18("1","4","3","5","3","3","1") = "4"
    & skf18("1","4","3","5","3","4","1") = "4"
    & skf18("1","4","3","5","3","5","1") = "4"
    & skf18("1","4","3","5","3","6","1") = "5"
    & skf18("1","4","3","5","3","7","1") = "6"
    & skf18("1","4","3","5","3","8","1") = "7"
    & skf18("1","4","3","5","3","9","1") = "8"
    & skf18("1","4","3","5","3","10","1") = "9"
    & skf18("1","4","3","5","4","1","1") = "4"
    & skf18("1","4","3","5","4","2","1") = "4"
    & skf18("1","4","3","5","4","3","1") = "4"
    & skf18("1","4","3","5","4","4","1") = "4"
    & skf18("1","4","3","5","4","5","1") = "4"
    & skf18("1","4","3","5","4","6","1") = "5"
    & skf18("1","4","3","5","4","7","1") = "6"
    & skf18("1","4","3","5","4","8","1") = "7"
    & skf18("1","4","3","5","4","9","1") = "8"
    & skf18("1","4","3","5","4","10","1") = "9"
    & skf18("1","4","3","5","5","1","1") = "4"
    & skf18("1","4","3","5","5","2","1") = "4"
    & skf18("1","4","3","5","5","3","1") = "4"
    & skf18("1","4","3","5","5","4","1") = "4"
    & skf18("1","4","3","5","5","5","1") = "4"
    & skf18("1","4","3","5","5","6","1") = "5"
    & skf18("1","4","3","5","5","7","1") = "6"
    & skf18("1","4","3","5","5","8","1") = "7"
    & skf18("1","4","3","5","5","9","1") = "8"
    & skf18("1","4","3","5","5","10","1") = "9"
    & skf18("1","4","3","5","6","1","1") = "5"
    & skf18("1","4","3","5","6","2","1") = "5"
    & skf18("1","4","3","5","6","3","1") = "5"
    & skf18("1","4","3","5","6","4","1") = "5"
    & skf18("1","4","3","5","6","5","1") = "5"
    & skf18("1","4","3","5","6","6","1") = "5"
    & skf18("1","4","3","5","6","7","1") = "6"
    & skf18("1","4","3","5","6","8","1") = "7"
    & skf18("1","4","3","5","6","9","1") = "8"
    & skf18("1","4","3","5","6","10","1") = "9"
    & skf18("1","4","3","5","7","1","1") = "6"
    & skf18("1","4","3","5","7","2","1") = "6"
    & skf18("1","4","3","5","7","3","1") = "6"
    & skf18("1","4","3","5","7","4","1") = "6"
    & skf18("1","4","3","5","7","5","1") = "6"
    & skf18("1","4","3","5","7","6","1") = "6"
    & skf18("1","4","3","5","7","7","1") = "6"
    & skf18("1","4","3","5","7","8","1") = "7"
    & skf18("1","4","3","5","7","9","1") = "8"
    & skf18("1","4","3","5","7","10","1") = "9"
    & skf18("1","4","3","5","8","1","1") = "7"
    & skf18("1","4","3","5","8","2","1") = "7"
    & skf18("1","4","3","5","8","3","1") = "7"
    & skf18("1","4","3","5","8","4","1") = "7"
    & skf18("1","4","3","5","8","5","1") = "7"
    & skf18("1","4","3","5","8","6","1") = "7"
    & skf18("1","4","3","5","8","7","1") = "7"
    & skf18("1","4","3","5","8","8","1") = "7"
    & skf18("1","4","3","5","8","9","1") = "8"
    & skf18("1","4","3","5","8","10","1") = "9"
    & skf18("1","4","3","5","9","1","1") = "8"
    & skf18("1","4","3","5","9","2","1") = "8"
    & skf18("1","4","3","5","9","3","1") = "8"
    & skf18("1","4","3","5","9","4","1") = "8"
    & skf18("1","4","3","5","9","5","1") = "8"
    & skf18("1","4","3","5","9","6","1") = "8"
    & skf18("1","4","3","5","9","7","1") = "8"
    & skf18("1","4","3","5","9","8","1") = "8"
    & skf18("1","4","3","5","9","9","1") = "8"
    & skf18("1","4","3","5","9","10","1") = "9"
    & skf18("1","4","3","5","10","1","1") = "9"
    & skf18("1","4","3","5","10","2","1") = "9"
    & skf18("1","4","3","5","10","3","1") = "9"
    & skf18("1","4","3","5","10","4","1") = "9"
    & skf18("1","4","3","5","10","5","1") = "9"
    & skf18("1","4","3","5","10","6","1") = "9"
    & skf18("1","4","3","5","10","7","1") = "9"
    & skf18("1","4","3","5","10","8","1") = "9"
    & skf18("1","4","3","5","10","9","1") = "9"
    & skf18("1","4","3","5","10","10","1") = "9"
    & skf18("1","4","3","6","1","1","1") = "5"
    & skf18("1","4","3","6","1","2","1") = "5"
    & skf18("1","4","3","6","1","3","1") = "5"
    & skf18("1","4","3","6","1","4","1") = "5"
    & skf18("1","4","3","6","1","5","1") = "5"
    & skf18("1","4","3","6","1","6","1") = "5"
    & skf18("1","4","3","6","1","7","1") = "6"
    & skf18("1","4","3","6","1","8","1") = "7"
    & skf18("1","4","3","6","1","9","1") = "8"
    & skf18("1","4","3","6","1","10","1") = "9"
    & skf18("1","4","3","6","2","1","1") = "5"
    & skf18("1","4","3","6","2","2","1") = "5"
    & skf18("1","4","3","6","2","3","1") = "5"
    & skf18("1","4","3","6","2","4","1") = "5"
    & skf18("1","4","3","6","2","5","1") = "5"
    & skf18("1","4","3","6","2","6","1") = "5"
    & skf18("1","4","3","6","2","7","1") = "6"
    & skf18("1","4","3","6","2","8","1") = "7"
    & skf18("1","4","3","6","2","9","1") = "8"
    & skf18("1","4","3","6","2","10","1") = "9"
    & skf18("1","4","3","6","3","1","1") = "5"
    & skf18("1","4","3","6","3","2","1") = "5"
    & skf18("1","4","3","6","3","3","1") = "5"
    & skf18("1","4","3","6","3","4","1") = "5"
    & skf18("1","4","3","6","3","5","1") = "5"
    & skf18("1","4","3","6","3","6","1") = "5"
    & skf18("1","4","3","6","3","7","1") = "6"
    & skf18("1","4","3","6","3","8","1") = "7"
    & skf18("1","4","3","6","3","9","1") = "8"
    & skf18("1","4","3","6","3","10","1") = "9"
    & skf18("1","4","3","6","4","1","1") = "5"
    & skf18("1","4","3","6","4","2","1") = "5"
    & skf18("1","4","3","6","4","3","1") = "5"
    & skf18("1","4","3","6","4","4","1") = "5"
    & skf18("1","4","3","6","4","5","1") = "5"
    & skf18("1","4","3","6","4","6","1") = "5"
    & skf18("1","4","3","6","4","7","1") = "6"
    & skf18("1","4","3","6","4","8","1") = "7"
    & skf18("1","4","3","6","4","9","1") = "8"
    & skf18("1","4","3","6","4","10","1") = "9"
    & skf18("1","4","3","6","5","1","1") = "5"
    & skf18("1","4","3","6","5","2","1") = "5"
    & skf18("1","4","3","6","5","3","1") = "5"
    & skf18("1","4","3","6","5","4","1") = "5"
    & skf18("1","4","3","6","5","5","1") = "5"
    & skf18("1","4","3","6","5","6","1") = "5"
    & skf18("1","4","3","6","5","7","1") = "6"
    & skf18("1","4","3","6","5","8","1") = "7"
    & skf18("1","4","3","6","5","9","1") = "8"
    & skf18("1","4","3","6","5","10","1") = "9"
    & skf18("1","4","3","6","6","1","1") = "5"
    & skf18("1","4","3","6","6","2","1") = "5"
    & skf18("1","4","3","6","6","3","1") = "5"
    & skf18("1","4","3","6","6","4","1") = "5"
    & skf18("1","4","3","6","6","5","1") = "5"
    & skf18("1","4","3","6","6","6","1") = "5"
    & skf18("1","4","3","6","6","7","1") = "6"
    & skf18("1","4","3","6","6","8","1") = "7"
    & skf18("1","4","3","6","6","9","1") = "8"
    & skf18("1","4","3","6","6","10","1") = "9"
    & skf18("1","4","3","6","7","1","1") = "6"
    & skf18("1","4","3","6","7","2","1") = "6"
    & skf18("1","4","3","6","7","3","1") = "6"
    & skf18("1","4","3","6","7","4","1") = "6"
    & skf18("1","4","3","6","7","5","1") = "6"
    & skf18("1","4","3","6","7","6","1") = "6"
    & skf18("1","4","3","6","7","7","1") = "6"
    & skf18("1","4","3","6","7","8","1") = "7"
    & skf18("1","4","3","6","7","9","1") = "8"
    & skf18("1","4","3","6","7","10","1") = "9"
    & skf18("1","4","3","6","8","1","1") = "7"
    & skf18("1","4","3","6","8","2","1") = "7"
    & skf18("1","4","3","6","8","3","1") = "7"
    & skf18("1","4","3","6","8","4","1") = "7"
    & skf18("1","4","3","6","8","5","1") = "7"
    & skf18("1","4","3","6","8","6","1") = "7"
    & skf18("1","4","3","6","8","7","1") = "7"
    & skf18("1","4","3","6","8","8","1") = "7"
    & skf18("1","4","3","6","8","9","1") = "8"
    & skf18("1","4","3","6","8","10","1") = "9"
    & skf18("1","4","3","6","9","1","1") = "8"
    & skf18("1","4","3","6","9","2","1") = "8"
    & skf18("1","4","3","6","9","3","1") = "8"
    & skf18("1","4","3","6","9","4","1") = "8"
    & skf18("1","4","3","6","9","5","1") = "8"
    & skf18("1","4","3","6","9","6","1") = "8"
    & skf18("1","4","3","6","9","7","1") = "8"
    & skf18("1","4","3","6","9","8","1") = "8"
    & skf18("1","4","3","6","9","9","1") = "8"
    & skf18("1","4","3","6","9","10","1") = "9"
    & skf18("1","4","3","6","10","1","1") = "9"
    & skf18("1","4","3","6","10","2","1") = "9"
    & skf18("1","4","3","6","10","3","1") = "9"
    & skf18("1","4","3","6","10","4","1") = "9"
    & skf18("1","4","3","6","10","5","1") = "9"
    & skf18("1","4","3","6","10","6","1") = "9"
    & skf18("1","4","3","6","10","7","1") = "9"
    & skf18("1","4","3","6","10","8","1") = "9"
    & skf18("1","4","3","6","10","9","1") = "9"
    & skf18("1","4","3","6","10","10","1") = "9"
    & skf18("1","4","3","7","1","1","1") = "6"
    & skf18("1","4","3","7","1","2","1") = "6"
    & skf18("1","4","3","7","1","3","1") = "6"
    & skf18("1","4","3","7","1","4","1") = "6"
    & skf18("1","4","3","7","1","5","1") = "6"
    & skf18("1","4","3","7","1","6","1") = "6"
    & skf18("1","4","3","7","1","7","1") = "6"
    & skf18("1","4","3","7","1","8","1") = "7"
    & skf18("1","4","3","7","1","9","1") = "8"
    & skf18("1","4","3","7","1","10","1") = "9"
    & skf18("1","4","3","7","2","1","1") = "6"
    & skf18("1","4","3","7","2","2","1") = "6"
    & skf18("1","4","3","7","2","3","1") = "6"
    & skf18("1","4","3","7","2","4","1") = "6"
    & skf18("1","4","3","7","2","5","1") = "6"
    & skf18("1","4","3","7","2","6","1") = "6"
    & skf18("1","4","3","7","2","7","1") = "6"
    & skf18("1","4","3","7","2","8","1") = "7"
    & skf18("1","4","3","7","2","9","1") = "8"
    & skf18("1","4","3","7","2","10","1") = "9"
    & skf18("1","4","3","7","3","1","1") = "6"
    & skf18("1","4","3","7","3","2","1") = "6"
    & skf18("1","4","3","7","3","3","1") = "6"
    & skf18("1","4","3","7","3","4","1") = "6"
    & skf18("1","4","3","7","3","5","1") = "6"
    & skf18("1","4","3","7","3","6","1") = "6"
    & skf18("1","4","3","7","3","7","1") = "6"
    & skf18("1","4","3","7","3","8","1") = "7"
    & skf18("1","4","3","7","3","9","1") = "8"
    & skf18("1","4","3","7","3","10","1") = "9"
    & skf18("1","4","3","7","4","1","1") = "6"
    & skf18("1","4","3","7","4","2","1") = "6"
    & skf18("1","4","3","7","4","3","1") = "6"
    & skf18("1","4","3","7","4","4","1") = "6"
    & skf18("1","4","3","7","4","5","1") = "6"
    & skf18("1","4","3","7","4","6","1") = "6"
    & skf18("1","4","3","7","4","7","1") = "6"
    & skf18("1","4","3","7","4","8","1") = "7"
    & skf18("1","4","3","7","4","9","1") = "8"
    & skf18("1","4","3","7","4","10","1") = "9"
    & skf18("1","4","3","7","5","1","1") = "6"
    & skf18("1","4","3","7","5","2","1") = "6"
    & skf18("1","4","3","7","5","3","1") = "6"
    & skf18("1","4","3","7","5","4","1") = "6"
    & skf18("1","4","3","7","5","5","1") = "6"
    & skf18("1","4","3","7","5","6","1") = "6"
    & skf18("1","4","3","7","5","7","1") = "6"
    & skf18("1","4","3","7","5","8","1") = "7"
    & skf18("1","4","3","7","5","9","1") = "8"
    & skf18("1","4","3","7","5","10","1") = "9"
    & skf18("1","4","3","7","6","1","1") = "6"
    & skf18("1","4","3","7","6","2","1") = "6"
    & skf18("1","4","3","7","6","3","1") = "6"
    & skf18("1","4","3","7","6","4","1") = "6"
    & skf18("1","4","3","7","6","5","1") = "6"
    & skf18("1","4","3","7","6","6","1") = "6"
    & skf18("1","4","3","7","6","7","1") = "6"
    & skf18("1","4","3","7","6","8","1") = "7"
    & skf18("1","4","3","7","6","9","1") = "8"
    & skf18("1","4","3","7","6","10","1") = "9"
    & skf18("1","4","3","7","7","1","1") = "6"
    & skf18("1","4","3","7","7","2","1") = "6"
    & skf18("1","4","3","7","7","3","1") = "6"
    & skf18("1","4","3","7","7","4","1") = "6"
    & skf18("1","4","3","7","7","5","1") = "6"
    & skf18("1","4","3","7","7","6","1") = "6"
    & skf18("1","4","3","7","7","7","1") = "6"
    & skf18("1","4","3","7","7","8","1") = "7"
    & skf18("1","4","3","7","7","9","1") = "8"
    & skf18("1","4","3","7","7","10","1") = "9"
    & skf18("1","4","3","7","8","1","1") = "7"
    & skf18("1","4","3","7","8","2","1") = "7"
    & skf18("1","4","3","7","8","3","1") = "7"
    & skf18("1","4","3","7","8","4","1") = "7"
    & skf18("1","4","3","7","8","5","1") = "7"
    & skf18("1","4","3","7","8","6","1") = "7"
    & skf18("1","4","3","7","8","7","1") = "7"
    & skf18("1","4","3","7","8","8","1") = "7"
    & skf18("1","4","3","7","8","9","1") = "8"
    & skf18("1","4","3","7","8","10","1") = "9"
    & skf18("1","4","3","7","9","1","1") = "8"
    & skf18("1","4","3","7","9","2","1") = "8"
    & skf18("1","4","3","7","9","3","1") = "8"
    & skf18("1","4","3","7","9","4","1") = "8"
    & skf18("1","4","3","7","9","5","1") = "8"
    & skf18("1","4","3","7","9","6","1") = "8"
    & skf18("1","4","3","7","9","7","1") = "8"
    & skf18("1","4","3","7","9","8","1") = "8"
    & skf18("1","4","3","7","9","9","1") = "8"
    & skf18("1","4","3","7","9","10","1") = "9"
    & skf18("1","4","3","7","10","1","1") = "9"
    & skf18("1","4","3","7","10","2","1") = "9"
    & skf18("1","4","3","7","10","3","1") = "9"
    & skf18("1","4","3","7","10","4","1") = "9"
    & skf18("1","4","3","7","10","5","1") = "9"
    & skf18("1","4","3","7","10","6","1") = "9"
    & skf18("1","4","3","7","10","7","1") = "9"
    & skf18("1","4","3","7","10","8","1") = "9"
    & skf18("1","4","3","7","10","9","1") = "9"
    & skf18("1","4","3","7","10","10","1") = "9"
    & skf18("1","4","3","8","1","1","1") = "7"
    & skf18("1","4","3","8","1","2","1") = "7"
    & skf18("1","4","3","8","1","3","1") = "7"
    & skf18("1","4","3","8","1","4","1") = "7"
    & skf18("1","4","3","8","1","5","1") = "7"
    & skf18("1","4","3","8","1","6","1") = "7"
    & skf18("1","4","3","8","1","7","1") = "7"
    & skf18("1","4","3","8","1","8","1") = "7"
    & skf18("1","4","3","8","1","9","1") = "8"
    & skf18("1","4","3","8","1","10","1") = "9"
    & skf18("1","4","3","8","2","1","1") = "7"
    & skf18("1","4","3","8","2","2","1") = "7"
    & skf18("1","4","3","8","2","3","1") = "7"
    & skf18("1","4","3","8","2","4","1") = "7"
    & skf18("1","4","3","8","2","5","1") = "7"
    & skf18("1","4","3","8","2","6","1") = "7"
    & skf18("1","4","3","8","2","7","1") = "7"
    & skf18("1","4","3","8","2","8","1") = "7"
    & skf18("1","4","3","8","2","9","1") = "8"
    & skf18("1","4","3","8","2","10","1") = "9"
    & skf18("1","4","3","8","3","1","1") = "7"
    & skf18("1","4","3","8","3","2","1") = "7"
    & skf18("1","4","3","8","3","3","1") = "7"
    & skf18("1","4","3","8","3","4","1") = "7"
    & skf18("1","4","3","8","3","5","1") = "7"
    & skf18("1","4","3","8","3","6","1") = "7"
    & skf18("1","4","3","8","3","7","1") = "7"
    & skf18("1","4","3","8","3","8","1") = "7"
    & skf18("1","4","3","8","3","9","1") = "8"
    & skf18("1","4","3","8","3","10","1") = "9"
    & skf18("1","4","3","8","4","1","1") = "7"
    & skf18("1","4","3","8","4","2","1") = "7"
    & skf18("1","4","3","8","4","3","1") = "7"
    & skf18("1","4","3","8","4","4","1") = "7"
    & skf18("1","4","3","8","4","5","1") = "7"
    & skf18("1","4","3","8","4","6","1") = "7"
    & skf18("1","4","3","8","4","7","1") = "7"
    & skf18("1","4","3","8","4","8","1") = "7"
    & skf18("1","4","3","8","4","9","1") = "8"
    & skf18("1","4","3","8","4","10","1") = "9"
    & skf18("1","4","3","8","5","1","1") = "7"
    & skf18("1","4","3","8","5","2","1") = "7"
    & skf18("1","4","3","8","5","3","1") = "7"
    & skf18("1","4","3","8","5","4","1") = "7"
    & skf18("1","4","3","8","5","5","1") = "7"
    & skf18("1","4","3","8","5","6","1") = "7"
    & skf18("1","4","3","8","5","7","1") = "7"
    & skf18("1","4","3","8","5","8","1") = "7"
    & skf18("1","4","3","8","5","9","1") = "8"
    & skf18("1","4","3","8","5","10","1") = "9"
    & skf18("1","4","3","8","6","1","1") = "7"
    & skf18("1","4","3","8","6","2","1") = "7"
    & skf18("1","4","3","8","6","3","1") = "7"
    & skf18("1","4","3","8","6","4","1") = "7"
    & skf18("1","4","3","8","6","5","1") = "7"
    & skf18("1","4","3","8","6","6","1") = "7"
    & skf18("1","4","3","8","6","7","1") = "7"
    & skf18("1","4","3","8","6","8","1") = "7"
    & skf18("1","4","3","8","6","9","1") = "8"
    & skf18("1","4","3","8","6","10","1") = "9"
    & skf18("1","4","3","8","7","1","1") = "7"
    & skf18("1","4","3","8","7","2","1") = "7"
    & skf18("1","4","3","8","7","3","1") = "7"
    & skf18("1","4","3","8","7","4","1") = "7"
    & skf18("1","4","3","8","7","5","1") = "7"
    & skf18("1","4","3","8","7","6","1") = "7"
    & skf18("1","4","3","8","7","7","1") = "7"
    & skf18("1","4","3","8","7","8","1") = "7"
    & skf18("1","4","3","8","7","9","1") = "8"
    & skf18("1","4","3","8","7","10","1") = "9"
    & skf18("1","4","3","8","8","1","1") = "7"
    & skf18("1","4","3","8","8","2","1") = "7"
    & skf18("1","4","3","8","8","3","1") = "7"
    & skf18("1","4","3","8","8","4","1") = "7"
    & skf18("1","4","3","8","8","5","1") = "7"
    & skf18("1","4","3","8","8","6","1") = "7"
    & skf18("1","4","3","8","8","7","1") = "7"
    & skf18("1","4","3","8","8","8","1") = "7"
    & skf18("1","4","3","8","8","9","1") = "8"
    & skf18("1","4","3","8","8","10","1") = "9"
    & skf18("1","4","3","8","9","1","1") = "8"
    & skf18("1","4","3","8","9","2","1") = "8"
    & skf18("1","4","3","8","9","3","1") = "8"
    & skf18("1","4","3","8","9","4","1") = "8"
    & skf18("1","4","3","8","9","5","1") = "8"
    & skf18("1","4","3","8","9","6","1") = "8"
    & skf18("1","4","3","8","9","7","1") = "8"
    & skf18("1","4","3","8","9","8","1") = "8"
    & skf18("1","4","3","8","9","9","1") = "8"
    & skf18("1","4","3","8","9","10","1") = "9"
    & skf18("1","4","3","8","10","1","1") = "9"
    & skf18("1","4","3","8","10","2","1") = "9"
    & skf18("1","4","3","8","10","3","1") = "9"
    & skf18("1","4","3","8","10","4","1") = "9"
    & skf18("1","4","3","8","10","5","1") = "9"
    & skf18("1","4","3","8","10","6","1") = "9"
    & skf18("1","4","3","8","10","7","1") = "9"
    & skf18("1","4","3","8","10","8","1") = "9"
    & skf18("1","4","3","8","10","9","1") = "9"
    & skf18("1","4","3","8","10","10","1") = "9"
    & skf18("1","4","3","9","1","1","1") = "8"
    & skf18("1","4","3","9","1","2","1") = "8"
    & skf18("1","4","3","9","1","3","1") = "8"
    & skf18("1","4","3","9","1","4","1") = "8"
    & skf18("1","4","3","9","1","5","1") = "8"
    & skf18("1","4","3","9","1","6","1") = "8"
    & skf18("1","4","3","9","1","7","1") = "8"
    & skf18("1","4","3","9","1","8","1") = "8"
    & skf18("1","4","3","9","1","9","1") = "8"
    & skf18("1","4","3","9","1","10","1") = "9"
    & skf18("1","4","3","9","2","1","1") = "8"
    & skf18("1","4","3","9","2","2","1") = "8"
    & skf18("1","4","3","9","2","3","1") = "8"
    & skf18("1","4","3","9","2","4","1") = "8"
    & skf18("1","4","3","9","2","5","1") = "8"
    & skf18("1","4","3","9","2","6","1") = "8"
    & skf18("1","4","3","9","2","7","1") = "8"
    & skf18("1","4","3","9","2","8","1") = "8"
    & skf18("1","4","3","9","2","9","1") = "8"
    & skf18("1","4","3","9","2","10","1") = "9"
    & skf18("1","4","3","9","3","1","1") = "8"
    & skf18("1","4","3","9","3","2","1") = "8"
    & skf18("1","4","3","9","3","3","1") = "8"
    & skf18("1","4","3","9","3","4","1") = "8"
    & skf18("1","4","3","9","3","5","1") = "8"
    & skf18("1","4","3","9","3","6","1") = "8"
    & skf18("1","4","3","9","3","7","1") = "8"
    & skf18("1","4","3","9","3","8","1") = "8"
    & skf18("1","4","3","9","3","9","1") = "8"
    & skf18("1","4","3","9","3","10","1") = "9"
    & skf18("1","4","3","9","4","1","1") = "8"
    & skf18("1","4","3","9","4","2","1") = "8"
    & skf18("1","4","3","9","4","3","1") = "8"
    & skf18("1","4","3","9","4","4","1") = "8"
    & skf18("1","4","3","9","4","5","1") = "8"
    & skf18("1","4","3","9","4","6","1") = "8"
    & skf18("1","4","3","9","4","7","1") = "8"
    & skf18("1","4","3","9","4","8","1") = "8"
    & skf18("1","4","3","9","4","9","1") = "8"
    & skf18("1","4","3","9","4","10","1") = "9"
    & skf18("1","4","3","9","5","1","1") = "8"
    & skf18("1","4","3","9","5","2","1") = "8"
    & skf18("1","4","3","9","5","3","1") = "8"
    & skf18("1","4","3","9","5","4","1") = "8"
    & skf18("1","4","3","9","5","5","1") = "8"
    & skf18("1","4","3","9","5","6","1") = "8"
    & skf18("1","4","3","9","5","7","1") = "8"
    & skf18("1","4","3","9","5","8","1") = "8"
    & skf18("1","4","3","9","5","9","1") = "8"
    & skf18("1","4","3","9","5","10","1") = "9"
    & skf18("1","4","3","9","6","1","1") = "8"
    & skf18("1","4","3","9","6","2","1") = "8"
    & skf18("1","4","3","9","6","3","1") = "8"
    & skf18("1","4","3","9","6","4","1") = "8"
    & skf18("1","4","3","9","6","5","1") = "8"
    & skf18("1","4","3","9","6","6","1") = "8"
    & skf18("1","4","3","9","6","7","1") = "8"
    & skf18("1","4","3","9","6","8","1") = "8"
    & skf18("1","4","3","9","6","9","1") = "8"
    & skf18("1","4","3","9","6","10","1") = "9"
    & skf18("1","4","3","9","7","1","1") = "8"
    & skf18("1","4","3","9","7","2","1") = "8"
    & skf18("1","4","3","9","7","3","1") = "8"
    & skf18("1","4","3","9","7","4","1") = "8"
    & skf18("1","4","3","9","7","5","1") = "8"
    & skf18("1","4","3","9","7","6","1") = "8"
    & skf18("1","4","3","9","7","7","1") = "8"
    & skf18("1","4","3","9","7","8","1") = "8"
    & skf18("1","4","3","9","7","9","1") = "8"
    & skf18("1","4","3","9","7","10","1") = "9"
    & skf18("1","4","3","9","8","1","1") = "8"
    & skf18("1","4","3","9","8","2","1") = "8"
    & skf18("1","4","3","9","8","3","1") = "8"
    & skf18("1","4","3","9","8","4","1") = "8"
    & skf18("1","4","3","9","8","5","1") = "8"
    & skf18("1","4","3","9","8","6","1") = "8"
    & skf18("1","4","3","9","8","7","1") = "8"
    & skf18("1","4","3","9","8","8","1") = "8"
    & skf18("1","4","3","9","8","9","1") = "8"
    & skf18("1","4","3","9","8","10","1") = "9"
    & skf18("1","4","3","9","9","1","1") = "8"
    & skf18("1","4","3","9","9","2","1") = "8"
    & skf18("1","4","3","9","9","3","1") = "8"
    & skf18("1","4","3","9","9","4","1") = "8"
    & skf18("1","4","3","9","9","5","1") = "8"
    & skf18("1","4","3","9","9","6","1") = "8"
    & skf18("1","4","3","9","9","7","1") = "8"
    & skf18("1","4","3","9","9","8","1") = "8"
    & skf18("1","4","3","9","9","9","1") = "8"
    & skf18("1","4","3","9","9","10","1") = "9"
    & skf18("1","4","3","9","10","1","1") = "9"
    & skf18("1","4","3","9","10","2","1") = "9"
    & skf18("1","4","3","9","10","3","1") = "9"
    & skf18("1","4","3","9","10","4","1") = "9"
    & skf18("1","4","3","9","10","5","1") = "9"
    & skf18("1","4","3","9","10","6","1") = "9"
    & skf18("1","4","3","9","10","7","1") = "9"
    & skf18("1","4","3","9","10","8","1") = "9"
    & skf18("1","4","3","9","10","9","1") = "9"
    & skf18("1","4","3","9","10","10","1") = "9"
    & skf18("1","4","3","10","1","1","1") = "9"
    & skf18("1","4","3","10","1","2","1") = "9"
    & skf18("1","4","3","10","1","3","1") = "9"
    & skf18("1","4","3","10","1","4","1") = "9"
    & skf18("1","4","3","10","1","5","1") = "9"
    & skf18("1","4","3","10","1","6","1") = "9"
    & skf18("1","4","3","10","1","7","1") = "9"
    & skf18("1","4","3","10","1","8","1") = "9"
    & skf18("1","4","3","10","1","9","1") = "9"
    & skf18("1","4","3","10","1","10","1") = "9"
    & skf18("1","4","3","10","2","1","1") = "9"
    & skf18("1","4","3","10","2","2","1") = "9"
    & skf18("1","4","3","10","2","3","1") = "9"
    & skf18("1","4","3","10","2","4","1") = "9"
    & skf18("1","4","3","10","2","5","1") = "9"
    & skf18("1","4","3","10","2","6","1") = "9"
    & skf18("1","4","3","10","2","7","1") = "9"
    & skf18("1","4","3","10","2","8","1") = "9"
    & skf18("1","4","3","10","2","9","1") = "9"
    & skf18("1","4","3","10","2","10","1") = "9"
    & skf18("1","4","3","10","3","1","1") = "9"
    & skf18("1","4","3","10","3","2","1") = "9"
    & skf18("1","4","3","10","3","3","1") = "9"
    & skf18("1","4","3","10","3","4","1") = "9"
    & skf18("1","4","3","10","3","5","1") = "9"
    & skf18("1","4","3","10","3","6","1") = "9"
    & skf18("1","4","3","10","3","7","1") = "9"
    & skf18("1","4","3","10","3","8","1") = "9"
    & skf18("1","4","3","10","3","9","1") = "9"
    & skf18("1","4","3","10","3","10","1") = "9"
    & skf18("1","4","3","10","4","1","1") = "9"
    & skf18("1","4","3","10","4","2","1") = "9"
    & skf18("1","4","3","10","4","3","1") = "9"
    & skf18("1","4","3","10","4","4","1") = "9"
    & skf18("1","4","3","10","4","5","1") = "9"
    & skf18("1","4","3","10","4","6","1") = "9"
    & skf18("1","4","3","10","4","7","1") = "9"
    & skf18("1","4","3","10","4","8","1") = "9"
    & skf18("1","4","3","10","4","9","1") = "9"
    & skf18("1","4","3","10","4","10","1") = "9"
    & skf18("1","4","3","10","5","1","1") = "9"
    & skf18("1","4","3","10","5","2","1") = "9"
    & skf18("1","4","3","10","5","3","1") = "9"
    & skf18("1","4","3","10","5","4","1") = "9"
    & skf18("1","4","3","10","5","5","1") = "9"
    & skf18("1","4","3","10","5","6","1") = "9"
    & skf18("1","4","3","10","5","7","1") = "9"
    & skf18("1","4","3","10","5","8","1") = "9"
    & skf18("1","4","3","10","5","9","1") = "9"
    & skf18("1","4","3","10","5","10","1") = "9"
    & skf18("1","4","3","10","6","1","1") = "9"
    & skf18("1","4","3","10","6","2","1") = "9"
    & skf18("1","4","3","10","6","3","1") = "9"
    & skf18("1","4","3","10","6","4","1") = "9"
    & skf18("1","4","3","10","6","5","1") = "9"
    & skf18("1","4","3","10","6","6","1") = "9"
    & skf18("1","4","3","10","6","7","1") = "9"
    & skf18("1","4","3","10","6","8","1") = "9"
    & skf18("1","4","3","10","6","9","1") = "9"
    & skf18("1","4","3","10","6","10","1") = "9"
    & skf18("1","4","3","10","7","1","1") = "9"
    & skf18("1","4","3","10","7","2","1") = "9"
    & skf18("1","4","3","10","7","3","1") = "9"
    & skf18("1","4","3","10","7","4","1") = "9"
    & skf18("1","4","3","10","7","5","1") = "9"
    & skf18("1","4","3","10","7","6","1") = "9"
    & skf18("1","4","3","10","7","7","1") = "9"
    & skf18("1","4","3","10","7","8","1") = "9"
    & skf18("1","4","3","10","7","9","1") = "9"
    & skf18("1","4","3","10","7","10","1") = "9"
    & skf18("1","4","3","10","8","1","1") = "9"
    & skf18("1","4","3","10","8","2","1") = "9"
    & skf18("1","4","3","10","8","3","1") = "9"
    & skf18("1","4","3","10","8","4","1") = "9"
    & skf18("1","4","3","10","8","5","1") = "9"
    & skf18("1","4","3","10","8","6","1") = "9"
    & skf18("1","4","3","10","8","7","1") = "9"
    & skf18("1","4","3","10","8","8","1") = "9"
    & skf18("1","4","3","10","8","9","1") = "9"
    & skf18("1","4","3","10","8","10","1") = "9"
    & skf18("1","4","3","10","9","1","1") = "9"
    & skf18("1","4","3","10","9","2","1") = "9"
    & skf18("1","4","3","10","9","3","1") = "9"
    & skf18("1","4","3","10","9","4","1") = "9"
    & skf18("1","4","3","10","9","5","1") = "9"
    & skf18("1","4","3","10","9","6","1") = "9"
    & skf18("1","4","3","10","9","7","1") = "9"
    & skf18("1","4","3","10","9","8","1") = "9"
    & skf18("1","4","3","10","9","9","1") = "9"
    & skf18("1","4","3","10","9","10","1") = "9"
    & skf18("1","4","3","10","10","1","1") = "9"
    & skf18("1","4","3","10","10","2","1") = "9"
    & skf18("1","4","3","10","10","3","1") = "9"
    & skf18("1","4","3","10","10","4","1") = "9"
    & skf18("1","4","3","10","10","5","1") = "9"
    & skf18("1","4","3","10","10","6","1") = "9"
    & skf18("1","4","3","10","10","7","1") = "9"
    & skf18("1","4","3","10","10","8","1") = "9"
    & skf18("1","4","3","10","10","9","1") = "9"
    & skf18("1","4","3","10","10","10","1") = "9"
    & skf18("1","4","4","1","1","1","1") = "3"
    & skf18("1","4","4","1","1","2","1") = "3"
    & skf18("1","4","4","1","1","3","1") = "3"
    & skf18("1","4","4","1","1","4","1") = "3"
    & skf18("1","4","4","1","1","5","1") = "4"
    & skf18("1","4","4","1","1","6","1") = "5"
    & skf18("1","4","4","1","1","7","1") = "6"
    & skf18("1","4","4","1","1","8","1") = "7"
    & skf18("1","4","4","1","1","9","1") = "8"
    & skf18("1","4","4","1","1","10","1") = "9"
    & skf18("1","4","4","1","2","1","1") = "3"
    & skf18("1","4","4","1","2","2","1") = "3"
    & skf18("1","4","4","1","2","3","1") = "3"
    & skf18("1","4","4","1","2","4","1") = "3"
    & skf18("1","4","4","1","2","5","1") = "4"
    & skf18("1","4","4","1","2","6","1") = "5"
    & skf18("1","4","4","1","2","7","1") = "6"
    & skf18("1","4","4","1","2","8","1") = "7"
    & skf18("1","4","4","1","2","9","1") = "8"
    & skf18("1","4","4","1","2","10","1") = "9"
    & skf18("1","4","4","1","3","1","1") = "3"
    & skf18("1","4","4","1","3","2","1") = "3"
    & skf18("1","4","4","1","3","3","1") = "3"
    & skf18("1","4","4","1","3","4","1") = "3"
    & skf18("1","4","4","1","3","5","1") = "4"
    & skf18("1","4","4","1","3","6","1") = "5"
    & skf18("1","4","4","1","3","7","1") = "6"
    & skf18("1","4","4","1","3","8","1") = "7"
    & skf18("1","4","4","1","3","9","1") = "8"
    & skf18("1","4","4","1","3","10","1") = "9"
    & skf18("1","4","4","1","4","1","1") = "3"
    & skf18("1","4","4","1","4","2","1") = "3"
    & skf18("1","4","4","1","4","3","1") = "3"
    & skf18("1","4","4","1","4","4","1") = "3"
    & skf18("1","4","4","1","4","5","1") = "4"
    & skf18("1","4","4","1","4","6","1") = "5"
    & skf18("1","4","4","1","4","7","1") = "6"
    & skf18("1","4","4","1","4","8","1") = "7"
    & skf18("1","4","4","1","4","9","1") = "8"
    & skf18("1","4","4","1","4","10","1") = "9"
    & skf18("1","4","4","1","5","1","1") = "4"
    & skf18("1","4","4","1","5","2","1") = "4"
    & skf18("1","4","4","1","5","3","1") = "4"
    & skf18("1","4","4","1","5","4","1") = "4"
    & skf18("1","4","4","1","5","5","1") = "4"
    & skf18("1","4","4","1","5","6","1") = "5"
    & skf18("1","4","4","1","5","7","1") = "6"
    & skf18("1","4","4","1","5","8","1") = "7"
    & skf18("1","4","4","1","5","9","1") = "8"
    & skf18("1","4","4","1","5","10","1") = "9"
    & skf18("1","4","4","1","6","1","1") = "5"
    & skf18("1","4","4","1","6","2","1") = "5"
    & skf18("1","4","4","1","6","3","1") = "5"
    & skf18("1","4","4","1","6","4","1") = "5"
    & skf18("1","4","4","1","6","5","1") = "5"
    & skf18("1","4","4","1","6","6","1") = "5"
    & skf18("1","4","4","1","6","7","1") = "6"
    & skf18("1","4","4","1","6","8","1") = "7"
    & skf18("1","4","4","1","6","9","1") = "8"
    & skf18("1","4","4","1","6","10","1") = "9"
    & skf18("1","4","4","1","7","1","1") = "6"
    & skf18("1","4","4","1","7","2","1") = "6"
    & skf18("1","4","4","1","7","3","1") = "6"
    & skf18("1","4","4","1","7","4","1") = "6"
    & skf18("1","4","4","1","7","5","1") = "6"
    & skf18("1","4","4","1","7","6","1") = "6"
    & skf18("1","4","4","1","7","7","1") = "6"
    & skf18("1","4","4","1","7","8","1") = "7"
    & skf18("1","4","4","1","7","9","1") = "8"
    & skf18("1","4","4","1","7","10","1") = "9"
    & skf18("1","4","4","1","8","1","1") = "7"
    & skf18("1","4","4","1","8","2","1") = "7"
    & skf18("1","4","4","1","8","3","1") = "7"
    & skf18("1","4","4","1","8","4","1") = "7"
    & skf18("1","4","4","1","8","5","1") = "7"
    & skf18("1","4","4","1","8","6","1") = "7"
    & skf18("1","4","4","1","8","7","1") = "7"
    & skf18("1","4","4","1","8","8","1") = "7"
    & skf18("1","4","4","1","8","9","1") = "8"
    & skf18("1","4","4","1","8","10","1") = "9"
    & skf18("1","4","4","1","9","1","1") = "8"
    & skf18("1","4","4","1","9","2","1") = "8"
    & skf18("1","4","4","1","9","3","1") = "8"
    & skf18("1","4","4","1","9","4","1") = "8"
    & skf18("1","4","4","1","9","5","1") = "8"
    & skf18("1","4","4","1","9","6","1") = "8"
    & skf18("1","4","4","1","9","7","1") = "8"
    & skf18("1","4","4","1","9","8","1") = "8"
    & skf18("1","4","4","1","9","9","1") = "8"
    & skf18("1","4","4","1","9","10","1") = "9"
    & skf18("1","4","4","1","10","1","1") = "9"
    & skf18("1","4","4","1","10","2","1") = "9"
    & skf18("1","4","4","1","10","3","1") = "9"
    & skf18("1","4","4","1","10","4","1") = "9"
    & skf18("1","4","4","1","10","5","1") = "9"
    & skf18("1","4","4","1","10","6","1") = "9"
    & skf18("1","4","4","1","10","7","1") = "9"
    & skf18("1","4","4","1","10","8","1") = "9"
    & skf18("1","4","4","1","10","9","1") = "9"
    & skf18("1","4","4","1","10","10","1") = "9"
    & skf18("1","4","4","2","1","1","1") = "3"
    & skf18("1","4","4","2","1","2","1") = "3"
    & skf18("1","4","4","2","1","3","1") = "3"
    & skf18("1","4","4","2","1","4","1") = "3"
    & skf18("1","4","4","2","1","5","1") = "4"
    & skf18("1","4","4","2","1","6","1") = "5"
    & skf18("1","4","4","2","1","7","1") = "6"
    & skf18("1","4","4","2","1","8","1") = "7"
    & skf18("1","4","4","2","1","9","1") = "8"
    & skf18("1","4","4","2","1","10","1") = "9"
    & skf18("1","4","4","2","2","1","1") = "3"
    & skf18("1","4","4","2","2","2","1") = "3"
    & skf18("1","4","4","2","2","3","1") = "3"
    & skf18("1","4","4","2","2","4","1") = "3"
    & skf18("1","4","4","2","2","5","1") = "4"
    & skf18("1","4","4","2","2","6","1") = "5"
    & skf18("1","4","4","2","2","7","1") = "6"
    & skf18("1","4","4","2","2","8","1") = "7"
    & skf18("1","4","4","2","2","9","1") = "8"
    & skf18("1","4","4","2","2","10","1") = "9"
    & skf18("1","4","4","2","3","1","1") = "3"
    & skf18("1","4","4","2","3","2","1") = "3"
    & skf18("1","4","4","2","3","3","1") = "3"
    & skf18("1","4","4","2","3","4","1") = "3"
    & skf18("1","4","4","2","3","5","1") = "4"
    & skf18("1","4","4","2","3","6","1") = "5"
    & skf18("1","4","4","2","3","7","1") = "6"
    & skf18("1","4","4","2","3","8","1") = "7"
    & skf18("1","4","4","2","3","9","1") = "8"
    & skf18("1","4","4","2","3","10","1") = "9"
    & skf18("1","4","4","2","4","1","1") = "3"
    & skf18("1","4","4","2","4","2","1") = "3"
    & skf18("1","4","4","2","4","3","1") = "3"
    & skf18("1","4","4","2","4","4","1") = "3"
    & skf18("1","4","4","2","4","5","1") = "4"
    & skf18("1","4","4","2","4","6","1") = "5"
    & skf18("1","4","4","2","4","7","1") = "6"
    & skf18("1","4","4","2","4","8","1") = "7"
    & skf18("1","4","4","2","4","9","1") = "8"
    & skf18("1","4","4","2","4","10","1") = "9"
    & skf18("1","4","4","2","5","1","1") = "4"
    & skf18("1","4","4","2","5","2","1") = "4"
    & skf18("1","4","4","2","5","3","1") = "4"
    & skf18("1","4","4","2","5","4","1") = "4"
    & skf18("1","4","4","2","5","5","1") = "4"
    & skf18("1","4","4","2","5","6","1") = "5"
    & skf18("1","4","4","2","5","7","1") = "6"
    & skf18("1","4","4","2","5","8","1") = "7"
    & skf18("1","4","4","2","5","9","1") = "8"
    & skf18("1","4","4","2","5","10","1") = "9"
    & skf18("1","4","4","2","6","1","1") = "5"
    & skf18("1","4","4","2","6","2","1") = "5"
    & skf18("1","4","4","2","6","3","1") = "5"
    & skf18("1","4","4","2","6","4","1") = "5"
    & skf18("1","4","4","2","6","5","1") = "5"
    & skf18("1","4","4","2","6","6","1") = "5"
    & skf18("1","4","4","2","6","7","1") = "6"
    & skf18("1","4","4","2","6","8","1") = "7"
    & skf18("1","4","4","2","6","9","1") = "8"
    & skf18("1","4","4","2","6","10","1") = "9"
    & skf18("1","4","4","2","7","1","1") = "6"
    & skf18("1","4","4","2","7","2","1") = "6"
    & skf18("1","4","4","2","7","3","1") = "6"
    & skf18("1","4","4","2","7","4","1") = "6"
    & skf18("1","4","4","2","7","5","1") = "6"
    & skf18("1","4","4","2","7","6","1") = "6"
    & skf18("1","4","4","2","7","7","1") = "6"
    & skf18("1","4","4","2","7","8","1") = "7"
    & skf18("1","4","4","2","7","9","1") = "8"
    & skf18("1","4","4","2","7","10","1") = "9"
    & skf18("1","4","4","2","8","1","1") = "7"
    & skf18("1","4","4","2","8","2","1") = "7"
    & skf18("1","4","4","2","8","3","1") = "7"
    & skf18("1","4","4","2","8","4","1") = "7"
    & skf18("1","4","4","2","8","5","1") = "7"
    & skf18("1","4","4","2","8","6","1") = "7"
    & skf18("1","4","4","2","8","7","1") = "7"
    & skf18("1","4","4","2","8","8","1") = "7"
    & skf18("1","4","4","2","8","9","1") = "8"
    & skf18("1","4","4","2","8","10","1") = "9"
    & skf18("1","4","4","2","9","1","1") = "8"
    & skf18("1","4","4","2","9","2","1") = "8"
    & skf18("1","4","4","2","9","3","1") = "8"
    & skf18("1","4","4","2","9","4","1") = "8"
    & skf18("1","4","4","2","9","5","1") = "8"
    & skf18("1","4","4","2","9","6","1") = "8"
    & skf18("1","4","4","2","9","7","1") = "8"
    & skf18("1","4","4","2","9","8","1") = "8"
    & skf18("1","4","4","2","9","9","1") = "8"
    & skf18("1","4","4","2","9","10","1") = "9"
    & skf18("1","4","4","2","10","1","1") = "9"
    & skf18("1","4","4","2","10","2","1") = "9"
    & skf18("1","4","4","2","10","3","1") = "9"
    & skf18("1","4","4","2","10","4","1") = "9"
    & skf18("1","4","4","2","10","5","1") = "9"
    & skf18("1","4","4","2","10","6","1") = "9"
    & skf18("1","4","4","2","10","7","1") = "9"
    & skf18("1","4","4","2","10","8","1") = "9"
    & skf18("1","4","4","2","10","9","1") = "9"
    & skf18("1","4","4","2","10","10","1") = "9"
    & skf18("1","4","4","3","1","1","1") = "3"
    & skf18("1","4","4","3","1","2","1") = "3"
    & skf18("1","4","4","3","1","3","1") = "3"
    & skf18("1","4","4","3","1","4","1") = "3"
    & skf18("1","4","4","3","1","5","1") = "4"
    & skf18("1","4","4","3","1","6","1") = "5"
    & skf18("1","4","4","3","1","7","1") = "6"
    & skf18("1","4","4","3","1","8","1") = "7"
    & skf18("1","4","4","3","1","9","1") = "8"
    & skf18("1","4","4","3","1","10","1") = "9"
    & skf18("1","4","4","3","2","1","1") = "3"
    & skf18("1","4","4","3","2","2","1") = "2"
    & skf18("1","4","4","3","2","3","1") = "3"
    & skf18("1","4","4","3","2","4","1") = "3"
    & skf18("1","4","4","3","2","5","1") = "4"
    & skf18("1","4","4","3","2","6","1") = "5"
    & skf18("1","4","4","3","2","7","1") = "6"
    & skf18("1","4","4","3","2","8","1") = "7"
    & skf18("1","4","4","3","2","9","1") = "8"
    & skf18("1","4","4","3","2","10","1") = "9"
    & skf18("1","4","4","3","3","1","1") = "3"
    & skf18("1","4","4","3","3","2","1") = "3"
    & skf18("1","4","4","3","3","3","1") = "3"
    & skf18("1","4","4","3","3","4","1") = "3"
    & skf18("1","4","4","3","3","5","1") = "4"
    & skf18("1","4","4","3","3","6","1") = "5"
    & skf18("1","4","4","3","3","7","1") = "6"
    & skf18("1","4","4","3","3","8","1") = "7"
    & skf18("1","4","4","3","3","9","1") = "8"
    & skf18("1","4","4","3","3","10","1") = "9"
    & skf18("1","4","4","3","4","1","1") = "3"
    & skf18("1","4","4","3","4","2","1") = "3"
    & skf18("1","4","4","3","4","3","1") = "3"
    & skf18("1","4","4","3","4","4","1") = "3"
    & skf18("1","4","4","3","4","5","1") = "4"
    & skf18("1","4","4","3","4","6","1") = "5"
    & skf18("1","4","4","3","4","7","1") = "6"
    & skf18("1","4","4","3","4","8","1") = "7"
    & skf18("1","4","4","3","4","9","1") = "8"
    & skf18("1","4","4","3","4","10","1") = "9"
    & skf18("1","4","4","3","5","1","1") = "4"
    & skf18("1","4","4","3","5","2","1") = "4"
    & skf18("1","4","4","3","5","3","1") = "4"
    & skf18("1","4","4","3","5","4","1") = "4"
    & skf18("1","4","4","3","5","5","1") = "4"
    & skf18("1","4","4","3","5","6","1") = "5"
    & skf18("1","4","4","3","5","7","1") = "6"
    & skf18("1","4","4","3","5","8","1") = "7"
    & skf18("1","4","4","3","5","9","1") = "8"
    & skf18("1","4","4","3","5","10","1") = "9"
    & skf18("1","4","4","3","6","1","1") = "5"
    & skf18("1","4","4","3","6","2","1") = "5"
    & skf18("1","4","4","3","6","3","1") = "5"
    & skf18("1","4","4","3","6","4","1") = "5"
    & skf18("1","4","4","3","6","5","1") = "5"
    & skf18("1","4","4","3","6","6","1") = "5"
    & skf18("1","4","4","3","6","7","1") = "6"
    & skf18("1","4","4","3","6","8","1") = "7"
    & skf18("1","4","4","3","6","9","1") = "8"
    & skf18("1","4","4","3","6","10","1") = "9"
    & skf18("1","4","4","3","7","1","1") = "6"
    & skf18("1","4","4","3","7","2","1") = "6"
    & skf18("1","4","4","3","7","3","1") = "6"
    & skf18("1","4","4","3","7","4","1") = "6"
    & skf18("1","4","4","3","7","5","1") = "6"
    & skf18("1","4","4","3","7","6","1") = "6"
    & skf18("1","4","4","3","7","7","1") = "6"
    & skf18("1","4","4","3","7","8","1") = "7"
    & skf18("1","4","4","3","7","9","1") = "8"
    & skf18("1","4","4","3","7","10","1") = "9"
    & skf18("1","4","4","3","8","1","1") = "7"
    & skf18("1","4","4","3","8","2","1") = "7"
    & skf18("1","4","4","3","8","3","1") = "7"
    & skf18("1","4","4","3","8","4","1") = "7"
    & skf18("1","4","4","3","8","5","1") = "7"
    & skf18("1","4","4","3","8","6","1") = "7"
    & skf18("1","4","4","3","8","7","1") = "7"
    & skf18("1","4","4","3","8","8","1") = "7"
    & skf18("1","4","4","3","8","9","1") = "8"
    & skf18("1","4","4","3","8","10","1") = "9"
    & skf18("1","4","4","3","9","1","1") = "8"
    & skf18("1","4","4","3","9","2","1") = "8"
    & skf18("1","4","4","3","9","3","1") = "8"
    & skf18("1","4","4","3","9","4","1") = "8"
    & skf18("1","4","4","3","9","5","1") = "8"
    & skf18("1","4","4","3","9","6","1") = "8"
    & skf18("1","4","4","3","9","7","1") = "8"
    & skf18("1","4","4","3","9","8","1") = "8"
    & skf18("1","4","4","3","9","9","1") = "8"
    & skf18("1","4","4","3","9","10","1") = "9"
    & skf18("1","4","4","3","10","1","1") = "9"
    & skf18("1","4","4","3","10","2","1") = "9"
    & skf18("1","4","4","3","10","3","1") = "9"
    & skf18("1","4","4","3","10","4","1") = "9"
    & skf18("1","4","4","3","10","5","1") = "9"
    & skf18("1","4","4","3","10","6","1") = "9"
    & skf18("1","4","4","3","10","7","1") = "9"
    & skf18("1","4","4","3","10","8","1") = "9"
    & skf18("1","4","4","3","10","9","1") = "9"
    & skf18("1","4","4","3","10","10","1") = "9"
    & skf18("1","4","4","4","1","1","1") = "3"
    & skf18("1","4","4","4","1","2","1") = "3"
    & skf18("1","4","4","4","1","3","1") = "3"
    & skf18("1","4","4","4","1","4","1") = "3"
    & skf18("1","4","4","4","1","5","1") = "4"
    & skf18("1","4","4","4","1","6","1") = "5"
    & skf18("1","4","4","4","1","7","1") = "6"
    & skf18("1","4","4","4","1","8","1") = "7"
    & skf18("1","4","4","4","1","9","1") = "8"
    & skf18("1","4","4","4","1","10","1") = "9"
    & skf18("1","4","4","4","2","1","1") = "3"
    & skf18("1","4","4","4","2","2","1") = "3"
    & skf18("1","4","4","4","2","3","1") = "3"
    & skf18("1","4","4","4","2","4","1") = "3"
    & skf18("1","4","4","4","2","5","1") = "4"
    & skf18("1","4","4","4","2","6","1") = "5"
    & skf18("1","4","4","4","2","7","1") = "6"
    & skf18("1","4","4","4","2","8","1") = "7"
    & skf18("1","4","4","4","2","9","1") = "8"
    & skf18("1","4","4","4","2","10","1") = "9"
    & skf18("1","4","4","4","3","1","1") = "3"
    & skf18("1","4","4","4","3","2","1") = "3"
    & skf18("1","4","4","4","3","3","1") = "3"
    & skf18("1","4","4","4","3","4","1") = "3"
    & skf18("1","4","4","4","3","5","1") = "4"
    & skf18("1","4","4","4","3","6","1") = "5"
    & skf18("1","4","4","4","3","7","1") = "6"
    & skf18("1","4","4","4","3","8","1") = "7"
    & skf18("1","4","4","4","3","9","1") = "8"
    & skf18("1","4","4","4","3","10","1") = "9"
    & skf18("1","4","4","4","4","1","1") = "3"
    & skf18("1","4","4","4","4","2","1") = "3"
    & skf18("1","4","4","4","4","3","1") = "3"
    & skf18("1","4","4","4","4","4","1") = "3"
    & skf18("1","4","4","4","4","5","1") = "4"
    & skf18("1","4","4","4","4","6","1") = "5"
    & skf18("1","4","4","4","4","7","1") = "6"
    & skf18("1","4","4","4","4","8","1") = "7"
    & skf18("1","4","4","4","4","9","1") = "8"
    & skf18("1","4","4","4","4","10","1") = "9"
    & skf18("1","4","4","4","5","1","1") = "4"
    & skf18("1","4","4","4","5","2","1") = "4"
    & skf18("1","4","4","4","5","3","1") = "4"
    & skf18("1","4","4","4","5","4","1") = "3"
    & skf18("1","4","4","4","5","5","1") = "4"
    & skf18("1","4","4","4","5","6","1") = "5"
    & skf18("1","4","4","4","5","7","1") = "6"
    & skf18("1","4","4","4","5","8","1") = "7"
    & skf18("1","4","4","4","5","9","1") = "8"
    & skf18("1","4","4","4","5","10","1") = "9"
    & skf18("1","4","4","4","6","1","1") = "5"
    & skf18("1","4","4","4","6","2","1") = "5"
    & skf18("1","4","4","4","6","3","1") = "5"
    & skf18("1","4","4","4","6","4","1") = "5"
    & skf18("1","4","4","4","6","5","1") = "5"
    & skf18("1","4","4","4","6","6","1") = "5"
    & skf18("1","4","4","4","6","7","1") = "6"
    & skf18("1","4","4","4","6","8","1") = "7"
    & skf18("1","4","4","4","6","9","1") = "8"
    & skf18("1","4","4","4","6","10","1") = "9"
    & skf18("1","4","4","4","7","1","1") = "6"
    & skf18("1","4","4","4","7","2","1") = "6"
    & skf18("1","4","4","4","7","3","1") = "6"
    & skf18("1","4","4","4","7","4","1") = "6"
    & skf18("1","4","4","4","7","5","1") = "6"
    & skf18("1","4","4","4","7","6","1") = "6"
    & skf18("1","4","4","4","7","7","1") = "6"
    & skf18("1","4","4","4","7","8","1") = "7"
    & skf18("1","4","4","4","7","9","1") = "8"
    & skf18("1","4","4","4","7","10","1") = "9"
    & skf18("1","4","4","4","8","1","1") = "7"
    & skf18("1","4","4","4","8","2","1") = "7"
    & skf18("1","4","4","4","8","3","1") = "7"
    & skf18("1","4","4","4","8","4","1") = "7"
    & skf18("1","4","4","4","8","5","1") = "7"
    & skf18("1","4","4","4","8","6","1") = "7"
    & skf18("1","4","4","4","8","7","1") = "7"
    & skf18("1","4","4","4","8","8","1") = "7"
    & skf18("1","4","4","4","8","9","1") = "8"
    & skf18("1","4","4","4","8","10","1") = "9"
    & skf18("1","4","4","4","9","1","1") = "8"
    & skf18("1","4","4","4","9","2","1") = "8"
    & skf18("1","4","4","4","9","3","1") = "8"
    & skf18("1","4","4","4","9","4","1") = "8"
    & skf18("1","4","4","4","9","5","1") = "8"
    & skf18("1","4","4","4","9","6","1") = "8"
    & skf18("1","4","4","4","9","7","1") = "8"
    & skf18("1","4","4","4","9","8","1") = "8"
    & skf18("1","4","4","4","9","9","1") = "8"
    & skf18("1","4","4","4","9","10","1") = "9"
    & skf18("1","4","4","4","10","1","1") = "9"
    & skf18("1","4","4","4","10","2","1") = "9"
    & skf18("1","4","4","4","10","3","1") = "9"
    & skf18("1","4","4","4","10","4","1") = "9"
    & skf18("1","4","4","4","10","5","1") = "9"
    & skf18("1","4","4","4","10","6","1") = "9"
    & skf18("1","4","4","4","10","7","1") = "9"
    & skf18("1","4","4","4","10","8","1") = "9"
    & skf18("1","4","4","4","10","9","1") = "9"
    & skf18("1","4","4","4","10","10","1") = "9"
    & skf18("1","4","4","5","1","1","1") = "4"
    & skf18("1","4","4","5","1","2","1") = "4"
    & skf18("1","4","4","5","1","3","1") = "4"
    & skf18("1","4","4","5","1","4","1") = "4"
    & skf18("1","4","4","5","1","5","1") = "4"
    & skf18("1","4","4","5","1","6","1") = "5"
    & skf18("1","4","4","5","1","7","1") = "6"
    & skf18("1","4","4","5","1","8","1") = "7"
    & skf18("1","4","4","5","1","9","1") = "8"
    & skf18("1","4","4","5","1","10","1") = "9"
    & skf18("1","4","4","5","2","1","1") = "4"
    & skf18("1","4","4","5","2","2","1") = "4"
    & skf18("1","4","4","5","2","3","1") = "4"
    & skf18("1","4","4","5","2","4","1") = "4"
    & skf18("1","4","4","5","2","5","1") = "4"
    & skf18("1","4","4","5","2","6","1") = "5"
    & skf18("1","4","4","5","2","7","1") = "6"
    & skf18("1","4","4","5","2","8","1") = "7"
    & skf18("1","4","4","5","2","9","1") = "8"
    & skf18("1","4","4","5","2","10","1") = "9"
    & skf18("1","4","4","5","3","1","1") = "4"
    & skf18("1","4","4","5","3","2","1") = "4"
    & skf18("1","4","4","5","3","3","1") = "4"
    & skf18("1","4","4","5","3","4","1") = "4"
    & skf18("1","4","4","5","3","5","1") = "4"
    & skf18("1","4","4","5","3","6","1") = "5"
    & skf18("1","4","4","5","3","7","1") = "6"
    & skf18("1","4","4","5","3","8","1") = "7"
    & skf18("1","4","4","5","3","9","1") = "8"
    & skf18("1","4","4","5","3","10","1") = "9"
    & skf18("1","4","4","5","4","1","1") = "4"
    & skf18("1","4","4","5","4","2","1") = "4"
    & skf18("1","4","4","5","4","3","1") = "4"
    & skf18("1","4","4","5","4","4","1") = "4"
    & skf18("1","4","4","5","4","5","1") = "4"
    & skf18("1","4","4","5","4","6","1") = "5"
    & skf18("1","4","4","5","4","7","1") = "6"
    & skf18("1","4","4","5","4","8","1") = "7"
    & skf18("1","4","4","5","4","9","1") = "8"
    & skf18("1","4","4","5","4","10","1") = "9"
    & skf18("1","4","4","5","5","1","1") = "4"
    & skf18("1","4","4","5","5","2","1") = "4"
    & skf18("1","4","4","5","5","3","1") = "4"
    & skf18("1","4","4","5","5","4","1") = "4"
    & skf18("1","4","4","5","5","5","1") = "4"
    & skf18("1","4","4","5","5","6","1") = "5"
    & skf18("1","4","4","5","5","7","1") = "6"
    & skf18("1","4","4","5","5","8","1") = "7"
    & skf18("1","4","4","5","5","9","1") = "8"
    & skf18("1","4","4","5","5","10","1") = "9"
    & skf18("1","4","4","5","6","1","1") = "5"
    & skf18("1","4","4","5","6","2","1") = "5"
    & skf18("1","4","4","5","6","3","1") = "5"
    & skf18("1","4","4","5","6","4","1") = "5"
    & skf18("1","4","4","5","6","5","1") = "5"
    & skf18("1","4","4","5","6","6","1") = "5"
    & skf18("1","4","4","5","6","7","1") = "6"
    & skf18("1","4","4","5","6","8","1") = "7"
    & skf18("1","4","4","5","6","9","1") = "8"
    & skf18("1","4","4","5","6","10","1") = "9"
    & skf18("1","4","4","5","7","1","1") = "6"
    & skf18("1","4","4","5","7","2","1") = "6"
    & skf18("1","4","4","5","7","3","1") = "6"
    & skf18("1","4","4","5","7","4","1") = "6"
    & skf18("1","4","4","5","7","5","1") = "6"
    & skf18("1","4","4","5","7","6","1") = "6"
    & skf18("1","4","4","5","7","7","1") = "6"
    & skf18("1","4","4","5","7","8","1") = "7"
    & skf18("1","4","4","5","7","9","1") = "8"
    & skf18("1","4","4","5","7","10","1") = "9"
    & skf18("1","4","4","5","8","1","1") = "7"
    & skf18("1","4","4","5","8","2","1") = "7"
    & skf18("1","4","4","5","8","3","1") = "7"
    & skf18("1","4","4","5","8","4","1") = "7"
    & skf18("1","4","4","5","8","5","1") = "7"
    & skf18("1","4","4","5","8","6","1") = "7"
    & skf18("1","4","4","5","8","7","1") = "7"
    & skf18("1","4","4","5","8","8","1") = "7"
    & skf18("1","4","4","5","8","9","1") = "8"
    & skf18("1","4","4","5","8","10","1") = "9"
    & skf18("1","4","4","5","9","1","1") = "8"
    & skf18("1","4","4","5","9","2","1") = "8"
    & skf18("1","4","4","5","9","3","1") = "8"
    & skf18("1","4","4","5","9","4","1") = "8"
    & skf18("1","4","4","5","9","5","1") = "8"
    & skf18("1","4","4","5","9","6","1") = "8"
    & skf18("1","4","4","5","9","7","1") = "8"
    & skf18("1","4","4","5","9","8","1") = "8"
    & skf18("1","4","4","5","9","9","1") = "8"
    & skf18("1","4","4","5","9","10","1") = "9"
    & skf18("1","4","4","5","10","1","1") = "9"
    & skf18("1","4","4","5","10","2","1") = "9"
    & skf18("1","4","4","5","10","3","1") = "9"
    & skf18("1","4","4","5","10","4","1") = "9"
    & skf18("1","4","4","5","10","5","1") = "9"
    & skf18("1","4","4","5","10","6","1") = "9"
    & skf18("1","4","4","5","10","7","1") = "9"
    & skf18("1","4","4","5","10","8","1") = "9"
    & skf18("1","4","4","5","10","9","1") = "9"
    & skf18("1","4","4","5","10","10","1") = "9"
    & skf18("1","4","4","6","1","1","1") = "5"
    & skf18("1","4","4","6","1","2","1") = "5"
    & skf18("1","4","4","6","1","3","1") = "5"
    & skf18("1","4","4","6","1","4","1") = "5"
    & skf18("1","4","4","6","1","5","1") = "5"
    & skf18("1","4","4","6","1","6","1") = "5"
    & skf18("1","4","4","6","1","7","1") = "6"
    & skf18("1","4","4","6","1","8","1") = "7"
    & skf18("1","4","4","6","1","9","1") = "8"
    & skf18("1","4","4","6","1","10","1") = "9"
    & skf18("1","4","4","6","2","1","1") = "5"
    & skf18("1","4","4","6","2","2","1") = "5"
    & skf18("1","4","4","6","2","3","1") = "5"
    & skf18("1","4","4","6","2","4","1") = "5"
    & skf18("1","4","4","6","2","5","1") = "5"
    & skf18("1","4","4","6","2","6","1") = "5"
    & skf18("1","4","4","6","2","7","1") = "6"
    & skf18("1","4","4","6","2","8","1") = "7"
    & skf18("1","4","4","6","2","9","1") = "8"
    & skf18("1","4","4","6","2","10","1") = "9"
    & skf18("1","4","4","6","3","1","1") = "5"
    & skf18("1","4","4","6","3","2","1") = "5"
    & skf18("1","4","4","6","3","3","1") = "5"
    & skf18("1","4","4","6","3","4","1") = "5"
    & skf18("1","4","4","6","3","5","1") = "5"
    & skf18("1","4","4","6","3","6","1") = "5"
    & skf18("1","4","4","6","3","7","1") = "6"
    & skf18("1","4","4","6","3","8","1") = "7"
    & skf18("1","4","4","6","3","9","1") = "8"
    & skf18("1","4","4","6","3","10","1") = "9"
    & skf18("1","4","4","6","4","1","1") = "5"
    & skf18("1","4","4","6","4","2","1") = "5"
    & skf18("1","4","4","6","4","3","1") = "5"
    & skf18("1","4","4","6","4","4","1") = "5"
    & skf18("1","4","4","6","4","5","1") = "5"
    & skf18("1","4","4","6","4","6","1") = "5"
    & skf18("1","4","4","6","4","7","1") = "6"
    & skf18("1","4","4","6","4","8","1") = "7"
    & skf18("1","4","4","6","4","9","1") = "8"
    & skf18("1","4","4","6","4","10","1") = "9"
    & skf18("1","4","4","6","5","1","1") = "5"
    & skf18("1","4","4","6","5","2","1") = "5"
    & skf18("1","4","4","6","5","3","1") = "5"
    & skf18("1","4","4","6","5","4","1") = "5"
    & skf18("1","4","4","6","5","5","1") = "5"
    & skf18("1","4","4","6","5","6","1") = "5"
    & skf18("1","4","4","6","5","7","1") = "6"
    & skf18("1","4","4","6","5","8","1") = "7"
    & skf18("1","4","4","6","5","9","1") = "8"
    & skf18("1","4","4","6","5","10","1") = "9"
    & skf18("1","4","4","6","6","1","1") = "5"
    & skf18("1","4","4","6","6","2","1") = "5"
    & skf18("1","4","4","6","6","3","1") = "5"
    & skf18("1","4","4","6","6","4","1") = "5"
    & skf18("1","4","4","6","6","5","1") = "5"
    & skf18("1","4","4","6","6","6","1") = "5"
    & skf18("1","4","4","6","6","7","1") = "6"
    & skf18("1","4","4","6","6","8","1") = "7"
    & skf18("1","4","4","6","6","9","1") = "8"
    & skf18("1","4","4","6","6","10","1") = "9"
    & skf18("1","4","4","6","7","1","1") = "6"
    & skf18("1","4","4","6","7","2","1") = "6"
    & skf18("1","4","4","6","7","3","1") = "6"
    & skf18("1","4","4","6","7","4","1") = "6"
    & skf18("1","4","4","6","7","5","1") = "6"
    & skf18("1","4","4","6","7","6","1") = "6"
    & skf18("1","4","4","6","7","7","1") = "6"
    & skf18("1","4","4","6","7","8","1") = "7"
    & skf18("1","4","4","6","7","9","1") = "8"
    & skf18("1","4","4","6","7","10","1") = "9"
    & skf18("1","4","4","6","8","1","1") = "7"
    & skf18("1","4","4","6","8","2","1") = "7"
    & skf18("1","4","4","6","8","3","1") = "7"
    & skf18("1","4","4","6","8","4","1") = "7"
    & skf18("1","4","4","6","8","5","1") = "7"
    & skf18("1","4","4","6","8","6","1") = "7"
    & skf18("1","4","4","6","8","7","1") = "7"
    & skf18("1","4","4","6","8","8","1") = "7"
    & skf18("1","4","4","6","8","9","1") = "8"
    & skf18("1","4","4","6","8","10","1") = "9"
    & skf18("1","4","4","6","9","1","1") = "8"
    & skf18("1","4","4","6","9","2","1") = "8"
    & skf18("1","4","4","6","9","3","1") = "8"
    & skf18("1","4","4","6","9","4","1") = "8"
    & skf18("1","4","4","6","9","5","1") = "8"
    & skf18("1","4","4","6","9","6","1") = "8"
    & skf18("1","4","4","6","9","7","1") = "8"
    & skf18("1","4","4","6","9","8","1") = "8"
    & skf18("1","4","4","6","9","9","1") = "8"
    & skf18("1","4","4","6","9","10","1") = "9"
    & skf18("1","4","4","6","10","1","1") = "9"
    & skf18("1","4","4","6","10","2","1") = "9"
    & skf18("1","4","4","6","10","3","1") = "9"
    & skf18("1","4","4","6","10","4","1") = "9"
    & skf18("1","4","4","6","10","5","1") = "9"
    & skf18("1","4","4","6","10","6","1") = "9"
    & skf18("1","4","4","6","10","7","1") = "9"
    & skf18("1","4","4","6","10","8","1") = "9"
    & skf18("1","4","4","6","10","9","1") = "9"
    & skf18("1","4","4","6","10","10","1") = "9"
    & skf18("1","4","4","7","1","1","1") = "6"
    & skf18("1","4","4","7","1","2","1") = "6"
    & skf18("1","4","4","7","1","3","1") = "6"
    & skf18("1","4","4","7","1","4","1") = "6"
    & skf18("1","4","4","7","1","5","1") = "6"
    & skf18("1","4","4","7","1","6","1") = "6"
    & skf18("1","4","4","7","1","7","1") = "6"
    & skf18("1","4","4","7","1","8","1") = "7"
    & skf18("1","4","4","7","1","9","1") = "8"
    & skf18("1","4","4","7","1","10","1") = "9"
    & skf18("1","4","4","7","2","1","1") = "6"
    & skf18("1","4","4","7","2","2","1") = "6"
    & skf18("1","4","4","7","2","3","1") = "6"
    & skf18("1","4","4","7","2","4","1") = "6"
    & skf18("1","4","4","7","2","5","1") = "6"
    & skf18("1","4","4","7","2","6","1") = "6"
    & skf18("1","4","4","7","2","7","1") = "6"
    & skf18("1","4","4","7","2","8","1") = "7"
    & skf18("1","4","4","7","2","9","1") = "8"
    & skf18("1","4","4","7","2","10","1") = "9"
    & skf18("1","4","4","7","3","1","1") = "6"
    & skf18("1","4","4","7","3","2","1") = "6"
    & skf18("1","4","4","7","3","3","1") = "6"
    & skf18("1","4","4","7","3","4","1") = "6"
    & skf18("1","4","4","7","3","5","1") = "6"
    & skf18("1","4","4","7","3","6","1") = "6"
    & skf18("1","4","4","7","3","7","1") = "6"
    & skf18("1","4","4","7","3","8","1") = "7"
    & skf18("1","4","4","7","3","9","1") = "8"
    & skf18("1","4","4","7","3","10","1") = "9"
    & skf18("1","4","4","7","4","1","1") = "6"
    & skf18("1","4","4","7","4","2","1") = "6"
    & skf18("1","4","4","7","4","3","1") = "6"
    & skf18("1","4","4","7","4","4","1") = "6"
    & skf18("1","4","4","7","4","5","1") = "6"
    & skf18("1","4","4","7","4","6","1") = "6"
    & skf18("1","4","4","7","4","7","1") = "6"
    & skf18("1","4","4","7","4","8","1") = "7"
    & skf18("1","4","4","7","4","9","1") = "8"
    & skf18("1","4","4","7","4","10","1") = "9"
    & skf18("1","4","4","7","5","1","1") = "6"
    & skf18("1","4","4","7","5","2","1") = "6"
    & skf18("1","4","4","7","5","3","1") = "6"
    & skf18("1","4","4","7","5","4","1") = "6"
    & skf18("1","4","4","7","5","5","1") = "6"
    & skf18("1","4","4","7","5","6","1") = "6"
    & skf18("1","4","4","7","5","7","1") = "6"
    & skf18("1","4","4","7","5","8","1") = "7"
    & skf18("1","4","4","7","5","9","1") = "8"
    & skf18("1","4","4","7","5","10","1") = "9"
    & skf18("1","4","4","7","6","1","1") = "6"
    & skf18("1","4","4","7","6","2","1") = "6"
    & skf18("1","4","4","7","6","3","1") = "6"
    & skf18("1","4","4","7","6","4","1") = "6"
    & skf18("1","4","4","7","6","5","1") = "6"
    & skf18("1","4","4","7","6","6","1") = "6"
    & skf18("1","4","4","7","6","7","1") = "6"
    & skf18("1","4","4","7","6","8","1") = "7"
    & skf18("1","4","4","7","6","9","1") = "8"
    & skf18("1","4","4","7","6","10","1") = "9"
    & skf18("1","4","4","7","7","1","1") = "6"
    & skf18("1","4","4","7","7","2","1") = "6"
    & skf18("1","4","4","7","7","3","1") = "6"
    & skf18("1","4","4","7","7","4","1") = "6"
    & skf18("1","4","4","7","7","5","1") = "6"
    & skf18("1","4","4","7","7","6","1") = "6"
    & skf18("1","4","4","7","7","7","1") = "6"
    & skf18("1","4","4","7","7","8","1") = "7"
    & skf18("1","4","4","7","7","9","1") = "8"
    & skf18("1","4","4","7","7","10","1") = "9"
    & skf18("1","4","4","7","8","1","1") = "7"
    & skf18("1","4","4","7","8","2","1") = "7"
    & skf18("1","4","4","7","8","3","1") = "7"
    & skf18("1","4","4","7","8","4","1") = "7"
    & skf18("1","4","4","7","8","5","1") = "7"
    & skf18("1","4","4","7","8","6","1") = "7"
    & skf18("1","4","4","7","8","7","1") = "7"
    & skf18("1","4","4","7","8","8","1") = "7"
    & skf18("1","4","4","7","8","9","1") = "8"
    & skf18("1","4","4","7","8","10","1") = "9"
    & skf18("1","4","4","7","9","1","1") = "8"
    & skf18("1","4","4","7","9","2","1") = "8"
    & skf18("1","4","4","7","9","3","1") = "8"
    & skf18("1","4","4","7","9","4","1") = "8"
    & skf18("1","4","4","7","9","5","1") = "8"
    & skf18("1","4","4","7","9","6","1") = "8"
    & skf18("1","4","4","7","9","7","1") = "8"
    & skf18("1","4","4","7","9","8","1") = "8"
    & skf18("1","4","4","7","9","9","1") = "8"
    & skf18("1","4","4","7","9","10","1") = "9"
    & skf18("1","4","4","7","10","1","1") = "9"
    & skf18("1","4","4","7","10","2","1") = "9"
    & skf18("1","4","4","7","10","3","1") = "9"
    & skf18("1","4","4","7","10","4","1") = "9"
    & skf18("1","4","4","7","10","5","1") = "9"
    & skf18("1","4","4","7","10","6","1") = "9"
    & skf18("1","4","4","7","10","7","1") = "9"
    & skf18("1","4","4","7","10","8","1") = "9"
    & skf18("1","4","4","7","10","9","1") = "9"
    & skf18("1","4","4","7","10","10","1") = "9"
    & skf18("1","4","4","8","1","1","1") = "7"
    & skf18("1","4","4","8","1","2","1") = "7"
    & skf18("1","4","4","8","1","3","1") = "7"
    & skf18("1","4","4","8","1","4","1") = "7"
    & skf18("1","4","4","8","1","5","1") = "7"
    & skf18("1","4","4","8","1","6","1") = "7"
    & skf18("1","4","4","8","1","7","1") = "7"
    & skf18("1","4","4","8","1","8","1") = "7"
    & skf18("1","4","4","8","1","9","1") = "8"
    & skf18("1","4","4","8","1","10","1") = "9"
    & skf18("1","4","4","8","2","1","1") = "7"
    & skf18("1","4","4","8","2","2","1") = "7"
    & skf18("1","4","4","8","2","3","1") = "7"
    & skf18("1","4","4","8","2","4","1") = "7"
    & skf18("1","4","4","8","2","5","1") = "7"
    & skf18("1","4","4","8","2","6","1") = "7"
    & skf18("1","4","4","8","2","7","1") = "7"
    & skf18("1","4","4","8","2","8","1") = "7"
    & skf18("1","4","4","8","2","9","1") = "8"
    & skf18("1","4","4","8","2","10","1") = "9"
    & skf18("1","4","4","8","3","1","1") = "7"
    & skf18("1","4","4","8","3","2","1") = "7"
    & skf18("1","4","4","8","3","3","1") = "7"
    & skf18("1","4","4","8","3","4","1") = "7"
    & skf18("1","4","4","8","3","5","1") = "7"
    & skf18("1","4","4","8","3","6","1") = "7"
    & skf18("1","4","4","8","3","7","1") = "7"
    & skf18("1","4","4","8","3","8","1") = "7"
    & skf18("1","4","4","8","3","9","1") = "8"
    & skf18("1","4","4","8","3","10","1") = "9"
    & skf18("1","4","4","8","4","1","1") = "7"
    & skf18("1","4","4","8","4","2","1") = "7"
    & skf18("1","4","4","8","4","3","1") = "7"
    & skf18("1","4","4","8","4","4","1") = "7"
    & skf18("1","4","4","8","4","5","1") = "7"
    & skf18("1","4","4","8","4","6","1") = "7"
    & skf18("1","4","4","8","4","7","1") = "7"
    & skf18("1","4","4","8","4","8","1") = "7"
    & skf18("1","4","4","8","4","9","1") = "8"
    & skf18("1","4","4","8","4","10","1") = "9"
    & skf18("1","4","4","8","5","1","1") = "7"
    & skf18("1","4","4","8","5","2","1") = "7"
    & skf18("1","4","4","8","5","3","1") = "7"
    & skf18("1","4","4","8","5","4","1") = "7"
    & skf18("1","4","4","8","5","5","1") = "7"
    & skf18("1","4","4","8","5","6","1") = "7"
    & skf18("1","4","4","8","5","7","1") = "7"
    & skf18("1","4","4","8","5","8","1") = "7"
    & skf18("1","4","4","8","5","9","1") = "8"
    & skf18("1","4","4","8","5","10","1") = "9"
    & skf18("1","4","4","8","6","1","1") = "7"
    & skf18("1","4","4","8","6","2","1") = "7"
    & skf18("1","4","4","8","6","3","1") = "7"
    & skf18("1","4","4","8","6","4","1") = "7"
    & skf18("1","4","4","8","6","5","1") = "7"
    & skf18("1","4","4","8","6","6","1") = "7"
    & skf18("1","4","4","8","6","7","1") = "7"
    & skf18("1","4","4","8","6","8","1") = "7"
    & skf18("1","4","4","8","6","9","1") = "8"
    & skf18("1","4","4","8","6","10","1") = "9"
    & skf18("1","4","4","8","7","1","1") = "7"
    & skf18("1","4","4","8","7","2","1") = "7"
    & skf18("1","4","4","8","7","3","1") = "7"
    & skf18("1","4","4","8","7","4","1") = "7"
    & skf18("1","4","4","8","7","5","1") = "7"
    & skf18("1","4","4","8","7","6","1") = "7"
    & skf18("1","4","4","8","7","7","1") = "7"
    & skf18("1","4","4","8","7","8","1") = "7"
    & skf18("1","4","4","8","7","9","1") = "8"
    & skf18("1","4","4","8","7","10","1") = "9"
    & skf18("1","4","4","8","8","1","1") = "7"
    & skf18("1","4","4","8","8","2","1") = "7"
    & skf18("1","4","4","8","8","3","1") = "7"
    & skf18("1","4","4","8","8","4","1") = "7"
    & skf18("1","4","4","8","8","5","1") = "7"
    & skf18("1","4","4","8","8","6","1") = "7"
    & skf18("1","4","4","8","8","7","1") = "7"
    & skf18("1","4","4","8","8","8","1") = "7"
    & skf18("1","4","4","8","8","9","1") = "8"
    & skf18("1","4","4","8","8","10","1") = "9"
    & skf18("1","4","4","8","9","1","1") = "8"
    & skf18("1","4","4","8","9","2","1") = "8"
    & skf18("1","4","4","8","9","3","1") = "8"
    & skf18("1","4","4","8","9","4","1") = "8"
    & skf18("1","4","4","8","9","5","1") = "8"
    & skf18("1","4","4","8","9","6","1") = "8"
    & skf18("1","4","4","8","9","7","1") = "8"
    & skf18("1","4","4","8","9","8","1") = "8"
    & skf18("1","4","4","8","9","9","1") = "8"
    & skf18("1","4","4","8","9","10","1") = "9"
    & skf18("1","4","4","8","10","1","1") = "9"
    & skf18("1","4","4","8","10","2","1") = "9"
    & skf18("1","4","4","8","10","3","1") = "9"
    & skf18("1","4","4","8","10","4","1") = "9"
    & skf18("1","4","4","8","10","5","1") = "9"
    & skf18("1","4","4","8","10","6","1") = "9"
    & skf18("1","4","4","8","10","7","1") = "9"
    & skf18("1","4","4","8","10","8","1") = "9"
    & skf18("1","4","4","8","10","9","1") = "9"
    & skf18("1","4","4","8","10","10","1") = "9"
    & skf18("1","4","4","9","1","1","1") = "8"
    & skf18("1","4","4","9","1","2","1") = "8"
    & skf18("1","4","4","9","1","3","1") = "8"
    & skf18("1","4","4","9","1","4","1") = "8"
    & skf18("1","4","4","9","1","5","1") = "8"
    & skf18("1","4","4","9","1","6","1") = "8"
    & skf18("1","4","4","9","1","7","1") = "8"
    & skf18("1","4","4","9","1","8","1") = "8"
    & skf18("1","4","4","9","1","9","1") = "8"
    & skf18("1","4","4","9","1","10","1") = "9"
    & skf18("1","4","4","9","2","1","1") = "8"
    & skf18("1","4","4","9","2","2","1") = "8"
    & skf18("1","4","4","9","2","3","1") = "8"
    & skf18("1","4","4","9","2","4","1") = "8"
    & skf18("1","4","4","9","2","5","1") = "8"
    & skf18("1","4","4","9","2","6","1") = "8"
    & skf18("1","4","4","9","2","7","1") = "8"
    & skf18("1","4","4","9","2","8","1") = "8"
    & skf18("1","4","4","9","2","9","1") = "8"
    & skf18("1","4","4","9","2","10","1") = "9"
    & skf18("1","4","4","9","3","1","1") = "8"
    & skf18("1","4","4","9","3","2","1") = "8"
    & skf18("1","4","4","9","3","3","1") = "8"
    & skf18("1","4","4","9","3","4","1") = "8"
    & skf18("1","4","4","9","3","5","1") = "8"
    & skf18("1","4","4","9","3","6","1") = "8"
    & skf18("1","4","4","9","3","7","1") = "8"
    & skf18("1","4","4","9","3","8","1") = "8"
    & skf18("1","4","4","9","3","9","1") = "8"
    & skf18("1","4","4","9","3","10","1") = "9"
    & skf18("1","4","4","9","4","1","1") = "8"
    & skf18("1","4","4","9","4","2","1") = "8"
    & skf18("1","4","4","9","4","3","1") = "8"
    & skf18("1","4","4","9","4","4","1") = "8"
    & skf18("1","4","4","9","4","5","1") = "8"
    & skf18("1","4","4","9","4","6","1") = "8"
    & skf18("1","4","4","9","4","7","1") = "8"
    & skf18("1","4","4","9","4","8","1") = "8"
    & skf18("1","4","4","9","4","9","1") = "8"
    & skf18("1","4","4","9","4","10","1") = "9"
    & skf18("1","4","4","9","5","1","1") = "8"
    & skf18("1","4","4","9","5","2","1") = "8"
    & skf18("1","4","4","9","5","3","1") = "8"
    & skf18("1","4","4","9","5","4","1") = "8"
    & skf18("1","4","4","9","5","5","1") = "8"
    & skf18("1","4","4","9","5","6","1") = "8"
    & skf18("1","4","4","9","5","7","1") = "8"
    & skf18("1","4","4","9","5","8","1") = "8"
    & skf18("1","4","4","9","5","9","1") = "8"
    & skf18("1","4","4","9","5","10","1") = "9"
    & skf18("1","4","4","9","6","1","1") = "8"
    & skf18("1","4","4","9","6","2","1") = "8"
    & skf18("1","4","4","9","6","3","1") = "8"
    & skf18("1","4","4","9","6","4","1") = "8"
    & skf18("1","4","4","9","6","5","1") = "8"
    & skf18("1","4","4","9","6","6","1") = "8"
    & skf18("1","4","4","9","6","7","1") = "8"
    & skf18("1","4","4","9","6","8","1") = "8"
    & skf18("1","4","4","9","6","9","1") = "8"
    & skf18("1","4","4","9","6","10","1") = "9"
    & skf18("1","4","4","9","7","1","1") = "8"
    & skf18("1","4","4","9","7","2","1") = "8"
    & skf18("1","4","4","9","7","3","1") = "8"
    & skf18("1","4","4","9","7","4","1") = "8"
    & skf18("1","4","4","9","7","5","1") = "8"
    & skf18("1","4","4","9","7","6","1") = "8"
    & skf18("1","4","4","9","7","7","1") = "8"
    & skf18("1","4","4","9","7","8","1") = "8"
    & skf18("1","4","4","9","7","9","1") = "8"
    & skf18("1","4","4","9","7","10","1") = "9"
    & skf18("1","4","4","9","8","1","1") = "8"
    & skf18("1","4","4","9","8","2","1") = "8"
    & skf18("1","4","4","9","8","3","1") = "8"
    & skf18("1","4","4","9","8","4","1") = "8"
    & skf18("1","4","4","9","8","5","1") = "8"
    & skf18("1","4","4","9","8","6","1") = "8"
    & skf18("1","4","4","9","8","7","1") = "8"
    & skf18("1","4","4","9","8","8","1") = "8"
    & skf18("1","4","4","9","8","9","1") = "8"
    & skf18("1","4","4","9","8","10","1") = "9"
    & skf18("1","4","4","9","9","1","1") = "8"
    & skf18("1","4","4","9","9","2","1") = "8"
    & skf18("1","4","4","9","9","3","1") = "8"
    & skf18("1","4","4","9","9","4","1") = "8"
    & skf18("1","4","4","9","9","5","1") = "8"
    & skf18("1","4","4","9","9","6","1") = "8"
    & skf18("1","4","4","9","9","7","1") = "8"
    & skf18("1","4","4","9","9","8","1") = "8"
    & skf18("1","4","4","9","9","9","1") = "8"
    & skf18("1","4","4","9","9","10","1") = "9"
    & skf18("1","4","4","9","10","1","1") = "9"
    & skf18("1","4","4","9","10","2","1") = "9"
    & skf18("1","4","4","9","10","3","1") = "9"
    & skf18("1","4","4","9","10","4","1") = "9"
    & skf18("1","4","4","9","10","5","1") = "9"
    & skf18("1","4","4","9","10","6","1") = "9"
    & skf18("1","4","4","9","10","7","1") = "9"
    & skf18("1","4","4","9","10","8","1") = "9"
    & skf18("1","4","4","9","10","9","1") = "9"
    & skf18("1","4","4","9","10","10","1") = "9"
    & skf18("1","4","4","10","1","1","1") = "9"
    & skf18("1","4","4","10","1","2","1") = "9"
    & skf18("1","4","4","10","1","3","1") = "9"
    & skf18("1","4","4","10","1","4","1") = "9"
    & skf18("1","4","4","10","1","5","1") = "9"
    & skf18("1","4","4","10","1","6","1") = "9"
    & skf18("1","4","4","10","1","7","1") = "9"
    & skf18("1","4","4","10","1","8","1") = "9"
    & skf18("1","4","4","10","1","9","1") = "9"
    & skf18("1","4","4","10","1","10","1") = "9"
    & skf18("1","4","4","10","2","1","1") = "9"
    & skf18("1","4","4","10","2","2","1") = "9"
    & skf18("1","4","4","10","2","3","1") = "9"
    & skf18("1","4","4","10","2","4","1") = "9"
    & skf18("1","4","4","10","2","5","1") = "9"
    & skf18("1","4","4","10","2","6","1") = "9"
    & skf18("1","4","4","10","2","7","1") = "9"
    & skf18("1","4","4","10","2","8","1") = "9"
    & skf18("1","4","4","10","2","9","1") = "9"
    & skf18("1","4","4","10","2","10","1") = "9"
    & skf18("1","4","4","10","3","1","1") = "9"
    & skf18("1","4","4","10","3","2","1") = "9"
    & skf18("1","4","4","10","3","3","1") = "9"
    & skf18("1","4","4","10","3","4","1") = "9"
    & skf18("1","4","4","10","3","5","1") = "9"
    & skf18("1","4","4","10","3","6","1") = "9"
    & skf18("1","4","4","10","3","7","1") = "9"
    & skf18("1","4","4","10","3","8","1") = "9"
    & skf18("1","4","4","10","3","9","1") = "9"
    & skf18("1","4","4","10","3","10","1") = "9"
    & skf18("1","4","4","10","4","1","1") = "9"
    & skf18("1","4","4","10","4","2","1") = "9"
    & skf18("1","4","4","10","4","3","1") = "9"
    & skf18("1","4","4","10","4","4","1") = "9"
    & skf18("1","4","4","10","4","5","1") = "9"
    & skf18("1","4","4","10","4","6","1") = "9"
    & skf18("1","4","4","10","4","7","1") = "9"
    & skf18("1","4","4","10","4","8","1") = "9"
    & skf18("1","4","4","10","4","9","1") = "9"
    & skf18("1","4","4","10","4","10","1") = "9"
    & skf18("1","4","4","10","5","1","1") = "9"
    & skf18("1","4","4","10","5","2","1") = "9"
    & skf18("1","4","4","10","5","3","1") = "9"
    & skf18("1","4","4","10","5","4","1") = "9"
    & skf18("1","4","4","10","5","5","1") = "9"
    & skf18("1","4","4","10","5","6","1") = "9"
    & skf18("1","4","4","10","5","7","1") = "9"
    & skf18("1","4","4","10","5","8","1") = "9"
    & skf18("1","4","4","10","5","9","1") = "9"
    & skf18("1","4","4","10","5","10","1") = "9"
    & skf18("1","4","4","10","6","1","1") = "9"
    & skf18("1","4","4","10","6","2","1") = "9"
    & skf18("1","4","4","10","6","3","1") = "9"
    & skf18("1","4","4","10","6","4","1") = "9"
    & skf18("1","4","4","10","6","5","1") = "9"
    & skf18("1","4","4","10","6","6","1") = "9"
    & skf18("1","4","4","10","6","7","1") = "9"
    & skf18("1","4","4","10","6","8","1") = "9"
    & skf18("1","4","4","10","6","9","1") = "9"
    & skf18("1","4","4","10","6","10","1") = "9"
    & skf18("1","4","4","10","7","1","1") = "9"
    & skf18("1","4","4","10","7","2","1") = "9"
    & skf18("1","4","4","10","7","3","1") = "9"
    & skf18("1","4","4","10","7","4","1") = "9"
    & skf18("1","4","4","10","7","5","1") = "9"
    & skf18("1","4","4","10","7","6","1") = "9"
    & skf18("1","4","4","10","7","7","1") = "9"
    & skf18("1","4","4","10","7","8","1") = "9"
    & skf18("1","4","4","10","7","9","1") = "9"
    & skf18("1","4","4","10","7","10","1") = "9"
    & skf18("1","4","4","10","8","1","1") = "9"
    & skf18("1","4","4","10","8","2","1") = "9"
    & skf18("1","4","4","10","8","3","1") = "9"
    & skf18("1","4","4","10","8","4","1") = "9"
    & skf18("1","4","4","10","8","5","1") = "9"
    & skf18("1","4","4","10","8","6","1") = "9"
    & skf18("1","4","4","10","8","7","1") = "9"
    & skf18("1","4","4","10","8","8","1") = "9"
    & skf18("1","4","4","10","8","9","1") = "9"
    & skf18("1","4","4","10","8","10","1") = "9"
    & skf18("1","4","4","10","9","1","1") = "9"
    & skf18("1","4","4","10","9","2","1") = "9"
    & skf18("1","4","4","10","9","3","1") = "9"
    & skf18("1","4","4","10","9","4","1") = "9"
    & skf18("1","4","4","10","9","5","1") = "9"
    & skf18("1","4","4","10","9","6","1") = "9"
    & skf18("1","4","4","10","9","7","1") = "9"
    & skf18("1","4","4","10","9","8","1") = "9"
    & skf18("1","4","4","10","9","9","1") = "9"
    & skf18("1","4","4","10","9","10","1") = "9"
    & skf18("1","4","4","10","10","1","1") = "9"
    & skf18("1","4","4","10","10","2","1") = "9"
    & skf18("1","4","4","10","10","3","1") = "9"
    & skf18("1","4","4","10","10","4","1") = "9"
    & skf18("1","4","4","10","10","5","1") = "9"
    & skf18("1","4","4","10","10","6","1") = "9"
    & skf18("1","4","4","10","10","7","1") = "9"
    & skf18("1","4","4","10","10","8","1") = "9"
    & skf18("1","4","4","10","10","9","1") = "9"
    & skf18("1","4","4","10","10","10","1") = "9"
    & skf18("1","4","5","1","1","1","1") = "4"
    & skf18("1","4","5","1","1","2","1") = "4"
    & skf18("1","4","5","1","1","3","1") = "4"
    & skf18("1","4","5","1","1","4","1") = "4"
    & skf18("1","4","5","1","1","5","1") = "4"
    & skf18("1","4","5","1","1","6","1") = "5"
    & skf18("1","4","5","1","1","7","1") = "6"
    & skf18("1","4","5","1","1","8","1") = "7"
    & skf18("1","4","5","1","1","9","1") = "8"
    & skf18("1","4","5","1","1","10","1") = "9"
    & skf18("1","4","5","1","2","1","1") = "4"
    & skf18("1","4","5","1","2","2","1") = "4"
    & skf18("1","4","5","1","2","3","1") = "4"
    & skf18("1","4","5","1","2","4","1") = "4"
    & skf18("1","4","5","1","2","5","1") = "4"
    & skf18("1","4","5","1","2","6","1") = "5"
    & skf18("1","4","5","1","2","7","1") = "6"
    & skf18("1","4","5","1","2","8","1") = "7"
    & skf18("1","4","5","1","2","9","1") = "8"
    & skf18("1","4","5","1","2","10","1") = "9"
    & skf18("1","4","5","1","3","1","1") = "4"
    & skf18("1","4","5","1","3","2","1") = "4"
    & skf18("1","4","5","1","3","3","1") = "4"
    & skf18("1","4","5","1","3","4","1") = "4"
    & skf18("1","4","5","1","3","5","1") = "4"
    & skf18("1","4","5","1","3","6","1") = "5"
    & skf18("1","4","5","1","3","7","1") = "6"
    & skf18("1","4","5","1","3","8","1") = "7"
    & skf18("1","4","5","1","3","9","1") = "8"
    & skf18("1","4","5","1","3","10","1") = "9"
    & skf18("1","4","5","1","4","1","1") = "4"
    & skf18("1","4","5","1","4","2","1") = "4"
    & skf18("1","4","5","1","4","3","1") = "4"
    & skf18("1","4","5","1","4","4","1") = "4"
    & skf18("1","4","5","1","4","5","1") = "4"
    & skf18("1","4","5","1","4","6","1") = "5"
    & skf18("1","4","5","1","4","7","1") = "6"
    & skf18("1","4","5","1","4","8","1") = "7"
    & skf18("1","4","5","1","4","9","1") = "8"
    & skf18("1","4","5","1","4","10","1") = "9"
    & skf18("1","4","5","1","5","1","1") = "4"
    & skf18("1","4","5","1","5","2","1") = "4"
    & skf18("1","4","5","1","5","3","1") = "4"
    & skf18("1","4","5","1","5","4","1") = "4"
    & skf18("1","4","5","1","5","5","1") = "4"
    & skf18("1","4","5","1","5","6","1") = "5"
    & skf18("1","4","5","1","5","7","1") = "6"
    & skf18("1","4","5","1","5","8","1") = "7"
    & skf18("1","4","5","1","5","9","1") = "8"
    & skf18("1","4","5","1","5","10","1") = "9"
    & skf18("1","4","5","1","6","1","1") = "5"
    & skf18("1","4","5","1","6","2","1") = "5"
    & skf18("1","4","5","1","6","3","1") = "5"
    & skf18("1","4","5","1","6","4","1") = "5"
    & skf18("1","4","5","1","6","5","1") = "5"
    & skf18("1","4","5","1","6","6","1") = "5"
    & skf18("1","4","5","1","6","7","1") = "6"
    & skf18("1","4","5","1","6","8","1") = "7"
    & skf18("1","4","5","1","6","9","1") = "8"
    & skf18("1","4","5","1","6","10","1") = "9"
    & skf18("1","4","5","1","7","1","1") = "6"
    & skf18("1","4","5","1","7","2","1") = "6"
    & skf18("1","4","5","1","7","3","1") = "6"
    & skf18("1","4","5","1","7","4","1") = "6"
    & skf18("1","4","5","1","7","5","1") = "6"
    & skf18("1","4","5","1","7","6","1") = "6"
    & skf18("1","4","5","1","7","7","1") = "6"
    & skf18("1","4","5","1","7","8","1") = "7"
    & skf18("1","4","5","1","7","9","1") = "8"
    & skf18("1","4","5","1","7","10","1") = "9"
    & skf18("1","4","5","1","8","1","1") = "7"
    & skf18("1","4","5","1","8","2","1") = "7"
    & skf18("1","4","5","1","8","3","1") = "7"
    & skf18("1","4","5","1","8","4","1") = "7"
    & skf18("1","4","5","1","8","5","1") = "7"
    & skf18("1","4","5","1","8","6","1") = "7"
    & skf18("1","4","5","1","8","7","1") = "7"
    & skf18("1","4","5","1","8","8","1") = "7"
    & skf18("1","4","5","1","8","9","1") = "8"
    & skf18("1","4","5","1","8","10","1") = "9"
    & skf18("1","4","5","1","9","1","1") = "8"
    & skf18("1","4","5","1","9","2","1") = "8"
    & skf18("1","4","5","1","9","3","1") = "8"
    & skf18("1","4","5","1","9","4","1") = "8"
    & skf18("1","4","5","1","9","5","1") = "8"
    & skf18("1","4","5","1","9","6","1") = "8"
    & skf18("1","4","5","1","9","7","1") = "8"
    & skf18("1","4","5","1","9","8","1") = "8"
    & skf18("1","4","5","1","9","9","1") = "8"
    & skf18("1","4","5","1","9","10","1") = "9"
    & skf18("1","4","5","1","10","1","1") = "9"
    & skf18("1","4","5","1","10","2","1") = "9"
    & skf18("1","4","5","1","10","3","1") = "9"
    & skf18("1","4","5","1","10","4","1") = "9"
    & skf18("1","4","5","1","10","5","1") = "9"
    & skf18("1","4","5","1","10","6","1") = "9"
    & skf18("1","4","5","1","10","7","1") = "9"
    & skf18("1","4","5","1","10","8","1") = "9"
    & skf18("1","4","5","1","10","9","1") = "9"
    & skf18("1","4","5","1","10","10","1") = "9"
    & skf18("1","4","5","2","1","1","1") = "4"
    & skf18("1","4","5","2","1","2","1") = "4"
    & skf18("1","4","5","2","1","3","1") = "4"
    & skf18("1","4","5","2","1","4","1") = "4"
    & skf18("1","4","5","2","1","5","1") = "4"
    & skf18("1","4","5","2","1","6","1") = "5"
    & skf18("1","4","5","2","1","7","1") = "6"
    & skf18("1","4","5","2","1","8","1") = "7"
    & skf18("1","4","5","2","1","9","1") = "8"
    & skf18("1","4","5","2","1","10","1") = "9"
    & skf18("1","4","5","2","2","1","1") = "4"
    & skf18("1","4","5","2","2","2","1") = "4"
    & skf18("1","4","5","2","2","3","1") = "4"
    & skf18("1","4","5","2","2","4","1") = "4"
    & skf18("1","4","5","2","2","5","1") = "4"
    & skf18("1","4","5","2","2","6","1") = "5"
    & skf18("1","4","5","2","2","7","1") = "6"
    & skf18("1","4","5","2","2","8","1") = "7"
    & skf18("1","4","5","2","2","9","1") = "8"
    & skf18("1","4","5","2","2","10","1") = "9"
    & skf18("1","4","5","2","3","1","1") = "4"
    & skf18("1","4","5","2","3","2","1") = "4"
    & skf18("1","4","5","2","3","3","1") = "4"
    & skf18("1","4","5","2","3","4","1") = "4"
    & skf18("1","4","5","2","3","5","1") = "4"
    & skf18("1","4","5","2","3","6","1") = "5"
    & skf18("1","4","5","2","3","7","1") = "6"
    & skf18("1","4","5","2","3","8","1") = "7"
    & skf18("1","4","5","2","3","9","1") = "8"
    & skf18("1","4","5","2","3","10","1") = "9"
    & skf18("1","4","5","2","4","1","1") = "4"
    & skf18("1","4","5","2","4","2","1") = "4"
    & skf18("1","4","5","2","4","3","1") = "4"
    & skf18("1","4","5","2","4","4","1") = "4"
    & skf18("1","4","5","2","4","5","1") = "4"
    & skf18("1","4","5","2","4","6","1") = "5"
    & skf18("1","4","5","2","4","7","1") = "6"
    & skf18("1","4","5","2","4","8","1") = "7"
    & skf18("1","4","5","2","4","9","1") = "8"
    & skf18("1","4","5","2","4","10","1") = "9"
    & skf18("1","4","5","2","5","1","1") = "4"
    & skf18("1","4","5","2","5","2","1") = "4"
    & skf18("1","4","5","2","5","3","1") = "4"
    & skf18("1","4","5","2","5","4","1") = "4"
    & skf18("1","4","5","2","5","5","1") = "4"
    & skf18("1","4","5","2","5","6","1") = "5"
    & skf18("1","4","5","2","5","7","1") = "6"
    & skf18("1","4","5","2","5","8","1") = "7"
    & skf18("1","4","5","2","5","9","1") = "8"
    & skf18("1","4","5","2","5","10","1") = "9"
    & skf18("1","4","5","2","6","1","1") = "5"
    & skf18("1","4","5","2","6","2","1") = "5"
    & skf18("1","4","5","2","6","3","1") = "5"
    & skf18("1","4","5","2","6","4","1") = "5"
    & skf18("1","4","5","2","6","5","1") = "5"
    & skf18("1","4","5","2","6","6","1") = "5"
    & skf18("1","4","5","2","6","7","1") = "6"
    & skf18("1","4","5","2","6","8","1") = "7"
    & skf18("1","4","5","2","6","9","1") = "8"
    & skf18("1","4","5","2","6","10","1") = "9"
    & skf18("1","4","5","2","7","1","1") = "6"
    & skf18("1","4","5","2","7","2","1") = "6"
    & skf18("1","4","5","2","7","3","1") = "6"
    & skf18("1","4","5","2","7","4","1") = "6"
    & skf18("1","4","5","2","7","5","1") = "6"
    & skf18("1","4","5","2","7","6","1") = "6"
    & skf18("1","4","5","2","7","7","1") = "6"
    & skf18("1","4","5","2","7","8","1") = "7"
    & skf18("1","4","5","2","7","9","1") = "8"
    & skf18("1","4","5","2","7","10","1") = "9"
    & skf18("1","4","5","2","8","1","1") = "7"
    & skf18("1","4","5","2","8","2","1") = "7"
    & skf18("1","4","5","2","8","3","1") = "7"
    & skf18("1","4","5","2","8","4","1") = "7"
    & skf18("1","4","5","2","8","5","1") = "7"
    & skf18("1","4","5","2","8","6","1") = "7"
    & skf18("1","4","5","2","8","7","1") = "7"
    & skf18("1","4","5","2","8","8","1") = "7"
    & skf18("1","4","5","2","8","9","1") = "8"
    & skf18("1","4","5","2","8","10","1") = "9"
    & skf18("1","4","5","2","9","1","1") = "8"
    & skf18("1","4","5","2","9","2","1") = "8"
    & skf18("1","4","5","2","9","3","1") = "8"
    & skf18("1","4","5","2","9","4","1") = "8"
    & skf18("1","4","5","2","9","5","1") = "8"
    & skf18("1","4","5","2","9","6","1") = "8"
    & skf18("1","4","5","2","9","7","1") = "8"
    & skf18("1","4","5","2","9","8","1") = "8"
    & skf18("1","4","5","2","9","9","1") = "8"
    & skf18("1","4","5","2","9","10","1") = "9"
    & skf18("1","4","5","2","10","1","1") = "9"
    & skf18("1","4","5","2","10","2","1") = "9"
    & skf18("1","4","5","2","10","3","1") = "9"
    & skf18("1","4","5","2","10","4","1") = "9"
    & skf18("1","4","5","2","10","5","1") = "9"
    & skf18("1","4","5","2","10","6","1") = "9"
    & skf18("1","4","5","2","10","7","1") = "9"
    & skf18("1","4","5","2","10","8","1") = "9"
    & skf18("1","4","5","2","10","9","1") = "9"
    & skf18("1","4","5","2","10","10","1") = "9"
    & skf18("1","4","5","3","1","1","1") = "4"
    & skf18("1","4","5","3","1","2","1") = "4"
    & skf18("1","4","5","3","1","3","1") = "4"
    & skf18("1","4","5","3","1","4","1") = "4"
    & skf18("1","4","5","3","1","5","1") = "4"
    & skf18("1","4","5","3","1","6","1") = "5"
    & skf18("1","4","5","3","1","7","1") = "6"
    & skf18("1","4","5","3","1","8","1") = "7"
    & skf18("1","4","5","3","1","9","1") = "8"
    & skf18("1","4","5","3","1","10","1") = "9"
    & skf18("1","4","5","3","2","1","1") = "4"
    & skf18("1","4","5","3","2","2","1") = "4"
    & skf18("1","4","5","3","2","3","1") = "4"
    & skf18("1","4","5","3","2","4","1") = "4"
    & skf18("1","4","5","3","2","5","1") = "4"
    & skf18("1","4","5","3","2","6","1") = "5"
    & skf18("1","4","5","3","2","7","1") = "6"
    & skf18("1","4","5","3","2","8","1") = "7"
    & skf18("1","4","5","3","2","9","1") = "8"
    & skf18("1","4","5","3","2","10","1") = "9"
    & skf18("1","4","5","3","3","1","1") = "4"
    & skf18("1","4","5","3","3","2","1") = "4"
    & skf18("1","4","5","3","3","3","1") = "4"
    & skf18("1","4","5","3","3","4","1") = "4"
    & skf18("1","4","5","3","3","5","1") = "4"
    & skf18("1","4","5","3","3","6","1") = "5"
    & skf18("1","4","5","3","3","7","1") = "6"
    & skf18("1","4","5","3","3","8","1") = "7"
    & skf18("1","4","5","3","3","9","1") = "8"
    & skf18("1","4","5","3","3","10","1") = "9"
    & skf18("1","4","5","3","4","1","1") = "4"
    & skf18("1","4","5","3","4","2","1") = "4"
    & skf18("1","4","5","3","4","3","1") = "4"
    & skf18("1","4","5","3","4","4","1") = "4"
    & skf18("1","4","5","3","4","5","1") = "4"
    & skf18("1","4","5","3","4","6","1") = "5"
    & skf18("1","4","5","3","4","7","1") = "6"
    & skf18("1","4","5","3","4","8","1") = "7"
    & skf18("1","4","5","3","4","9","1") = "8"
    & skf18("1","4","5","3","4","10","1") = "9"
    & skf18("1","4","5","3","5","1","1") = "4"
    & skf18("1","4","5","3","5","2","1") = "4"
    & skf18("1","4","5","3","5","3","1") = "4"
    & skf18("1","4","5","3","5","4","1") = "4"
    & skf18("1","4","5","3","5","5","1") = "4"
    & skf18("1","4","5","3","5","6","1") = "5"
    & skf18("1","4","5","3","5","7","1") = "6"
    & skf18("1","4","5","3","5","8","1") = "7"
    & skf18("1","4","5","3","5","9","1") = "8"
    & skf18("1","4","5","3","5","10","1") = "9"
    & skf18("1","4","5","3","6","1","1") = "5"
    & skf18("1","4","5","3","6","2","1") = "5"
    & skf18("1","4","5","3","6","3","1") = "5"
    & skf18("1","4","5","3","6","4","1") = "5"
    & skf18("1","4","5","3","6","5","1") = "5"
    & skf18("1","4","5","3","6","6","1") = "5"
    & skf18("1","4","5","3","6","7","1") = "6"
    & skf18("1","4","5","3","6","8","1") = "7"
    & skf18("1","4","5","3","6","9","1") = "8"
    & skf18("1","4","5","3","6","10","1") = "9"
    & skf18("1","4","5","3","7","1","1") = "6"
    & skf18("1","4","5","3","7","2","1") = "6"
    & skf18("1","4","5","3","7","3","1") = "6"
    & skf18("1","4","5","3","7","4","1") = "6"
    & skf18("1","4","5","3","7","5","1") = "6"
    & skf18("1","4","5","3","7","6","1") = "6"
    & skf18("1","4","5","3","7","7","1") = "6"
    & skf18("1","4","5","3","7","8","1") = "7"
    & skf18("1","4","5","3","7","9","1") = "8"
    & skf18("1","4","5","3","7","10","1") = "9"
    & skf18("1","4","5","3","8","1","1") = "7"
    & skf18("1","4","5","3","8","2","1") = "7"
    & skf18("1","4","5","3","8","3","1") = "7"
    & skf18("1","4","5","3","8","4","1") = "7"
    & skf18("1","4","5","3","8","5","1") = "7"
    & skf18("1","4","5","3","8","6","1") = "7"
    & skf18("1","4","5","3","8","7","1") = "7"
    & skf18("1","4","5","3","8","8","1") = "7"
    & skf18("1","4","5","3","8","9","1") = "8"
    & skf18("1","4","5","3","8","10","1") = "9"
    & skf18("1","4","5","3","9","1","1") = "8"
    & skf18("1","4","5","3","9","2","1") = "8"
    & skf18("1","4","5","3","9","3","1") = "8"
    & skf18("1","4","5","3","9","4","1") = "8"
    & skf18("1","4","5","3","9","5","1") = "8"
    & skf18("1","4","5","3","9","6","1") = "8"
    & skf18("1","4","5","3","9","7","1") = "8"
    & skf18("1","4","5","3","9","8","1") = "8"
    & skf18("1","4","5","3","9","9","1") = "8"
    & skf18("1","4","5","3","9","10","1") = "9"
    & skf18("1","4","5","3","10","1","1") = "9"
    & skf18("1","4","5","3","10","2","1") = "9"
    & skf18("1","4","5","3","10","3","1") = "9"
    & skf18("1","4","5","3","10","4","1") = "9"
    & skf18("1","4","5","3","10","5","1") = "9"
    & skf18("1","4","5","3","10","6","1") = "9"
    & skf18("1","4","5","3","10","7","1") = "9"
    & skf18("1","4","5","3","10","8","1") = "9"
    & skf18("1","4","5","3","10","9","1") = "9"
    & skf18("1","4","5","3","10","10","1") = "9"
    & skf18("1","4","5","4","1","1","1") = "4"
    & skf18("1","4","5","4","1","2","1") = "4"
    & skf18("1","4","5","4","1","3","1") = "4"
    & skf18("1","4","5","4","1","4","1") = "4"
    & skf18("1","4","5","4","1","5","1") = "4"
    & skf18("1","4","5","4","1","6","1") = "5"
    & skf18("1","4","5","4","1","7","1") = "6"
    & skf18("1","4","5","4","1","8","1") = "7"
    & skf18("1","4","5","4","1","9","1") = "8"
    & skf18("1","4","5","4","1","10","1") = "9"
    & skf18("1","4","5","4","2","1","1") = "4"
    & skf18("1","4","5","4","2","2","1") = "4"
    & skf18("1","4","5","4","2","3","1") = "4"
    & skf18("1","4","5","4","2","4","1") = "4"
    & skf18("1","4","5","4","2","5","1") = "4"
    & skf18("1","4","5","4","2","6","1") = "5"
    & skf18("1","4","5","4","2","7","1") = "6"
    & skf18("1","4","5","4","2","8","1") = "7"
    & skf18("1","4","5","4","2","9","1") = "8"
    & skf18("1","4","5","4","2","10","1") = "9"
    & skf18("1","4","5","4","3","1","1") = "4"
    & skf18("1","4","5","4","3","2","1") = "4"
    & skf18("1","4","5","4","3","3","1") = "4"
    & skf18("1","4","5","4","3","4","1") = "4"
    & skf18("1","4","5","4","3","5","1") = "4"
    & skf18("1","4","5","4","3","6","1") = "5"
    & skf18("1","4","5","4","3","7","1") = "6"
    & skf18("1","4","5","4","3","8","1") = "7"
    & skf18("1","4","5","4","3","9","1") = "8"
    & skf18("1","4","5","4","3","10","1") = "9"
    & skf18("1","4","5","4","4","1","1") = "4"
    & skf18("1","4","5","4","4","2","1") = "4"
    & skf18("1","4","5","4","4","3","1") = "4"
    & skf18("1","4","5","4","4","4","1") = "4"
    & skf18("1","4","5","4","4","5","1") = "4"
    & skf18("1","4","5","4","4","6","1") = "5"
    & skf18("1","4","5","4","4","7","1") = "6"
    & skf18("1","4","5","4","4","8","1") = "7"
    & skf18("1","4","5","4","4","9","1") = "8"
    & skf18("1","4","5","4","4","10","1") = "9"
    & skf18("1","4","5","4","5","1","1") = "4"
    & skf18("1","4","5","4","5","2","1") = "4"
    & skf18("1","4","5","4","5","3","1") = "4"
    & skf18("1","4","5","4","5","4","1") = "4"
    & skf18("1","4","5","4","5","5","1") = "4"
    & skf18("1","4","5","4","5","6","1") = "5"
    & skf18("1","4","5","4","5","7","1") = "6"
    & skf18("1","4","5","4","5","8","1") = "7"
    & skf18("1","4","5","4","5","9","1") = "8"
    & skf18("1","4","5","4","5","10","1") = "9"
    & skf18("1","4","5","4","6","1","1") = "5"
    & skf18("1","4","5","4","6","2","1") = "5"
    & skf18("1","4","5","4","6","3","1") = "5"
    & skf18("1","4","5","4","6","4","1") = "5"
    & skf18("1","4","5","4","6","5","1") = "5"
    & skf18("1","4","5","4","6","6","1") = "5"
    & skf18("1","4","5","4","6","7","1") = "6"
    & skf18("1","4","5","4","6","8","1") = "7"
    & skf18("1","4","5","4","6","9","1") = "8"
    & skf18("1","4","5","4","6","10","1") = "9"
    & skf18("1","4","5","4","7","1","1") = "6"
    & skf18("1","4","5","4","7","2","1") = "6"
    & skf18("1","4","5","4","7","3","1") = "6"
    & skf18("1","4","5","4","7","4","1") = "6"
    & skf18("1","4","5","4","7","5","1") = "6"
    & skf18("1","4","5","4","7","6","1") = "6"
    & skf18("1","4","5","4","7","7","1") = "6"
    & skf18("1","4","5","4","7","8","1") = "7"
    & skf18("1","4","5","4","7","9","1") = "8"
    & skf18("1","4","5","4","7","10","1") = "9"
    & skf18("1","4","5","4","8","1","1") = "7"
    & skf18("1","4","5","4","8","2","1") = "7"
    & skf18("1","4","5","4","8","3","1") = "7"
    & skf18("1","4","5","4","8","4","1") = "7"
    & skf18("1","4","5","4","8","5","1") = "7"
    & skf18("1","4","5","4","8","6","1") = "7"
    & skf18("1","4","5","4","8","7","1") = "7"
    & skf18("1","4","5","4","8","8","1") = "7"
    & skf18("1","4","5","4","8","9","1") = "8"
    & skf18("1","4","5","4","8","10","1") = "9"
    & skf18("1","4","5","4","9","1","1") = "8"
    & skf18("1","4","5","4","9","2","1") = "8"
    & skf18("1","4","5","4","9","3","1") = "8"
    & skf18("1","4","5","4","9","4","1") = "8"
    & skf18("1","4","5","4","9","5","1") = "8"
    & skf18("1","4","5","4","9","6","1") = "8"
    & skf18("1","4","5","4","9","7","1") = "8"
    & skf18("1","4","5","4","9","8","1") = "8"
    & skf18("1","4","5","4","9","9","1") = "8"
    & skf18("1","4","5","4","9","10","1") = "9"
    & skf18("1","4","5","4","10","1","1") = "9"
    & skf18("1","4","5","4","10","2","1") = "9"
    & skf18("1","4","5","4","10","3","1") = "9"
    & skf18("1","4","5","4","10","4","1") = "9"
    & skf18("1","4","5","4","10","5","1") = "9"
    & skf18("1","4","5","4","10","6","1") = "9"
    & skf18("1","4","5","4","10","7","1") = "9"
    & skf18("1","4","5","4","10","8","1") = "9"
    & skf18("1","4","5","4","10","9","1") = "9"
    & skf18("1","4","5","4","10","10","1") = "9"
    & skf18("1","4","5","5","1","1","1") = "4"
    & skf18("1","4","5","5","1","2","1") = "4"
    & skf18("1","4","5","5","1","3","1") = "4"
    & skf18("1","4","5","5","1","4","1") = "4"
    & skf18("1","4","5","5","1","5","1") = "4"
    & skf18("1","4","5","5","1","6","1") = "5"
    & skf18("1","4","5","5","1","7","1") = "6"
    & skf18("1","4","5","5","1","8","1") = "7"
    & skf18("1","4","5","5","1","9","1") = "8"
    & skf18("1","4","5","5","1","10","1") = "9"
    & skf18("1","4","5","5","2","1","1") = "4"
    & skf18("1","4","5","5","2","2","1") = "4"
    & skf18("1","4","5","5","2","3","1") = "4"
    & skf18("1","4","5","5","2","4","1") = "4"
    & skf18("1","4","5","5","2","5","1") = "4"
    & skf18("1","4","5","5","2","6","1") = "5"
    & skf18("1","4","5","5","2","7","1") = "6"
    & skf18("1","4","5","5","2","8","1") = "7"
    & skf18("1","4","5","5","2","9","1") = "8"
    & skf18("1","4","5","5","2","10","1") = "9"
    & skf18("1","4","5","5","3","1","1") = "4"
    & skf18("1","4","5","5","3","2","1") = "4"
    & skf18("1","4","5","5","3","3","1") = "4"
    & skf18("1","4","5","5","3","4","1") = "4"
    & skf18("1","4","5","5","3","5","1") = "4"
    & skf18("1","4","5","5","3","6","1") = "5"
    & skf18("1","4","5","5","3","7","1") = "6"
    & skf18("1","4","5","5","3","8","1") = "7"
    & skf18("1","4","5","5","3","9","1") = "8"
    & skf18("1","4","5","5","3","10","1") = "9"
    & skf18("1","4","5","5","4","1","1") = "4"
    & skf18("1","4","5","5","4","2","1") = "4"
    & skf18("1","4","5","5","4","3","1") = "4"
    & skf18("1","4","5","5","4","4","1") = "4"
    & skf18("1","4","5","5","4","5","1") = "4"
    & skf18("1","4","5","5","4","6","1") = "5"
    & skf18("1","4","5","5","4","7","1") = "6"
    & skf18("1","4","5","5","4","8","1") = "7"
    & skf18("1","4","5","5","4","9","1") = "8"
    & skf18("1","4","5","5","4","10","1") = "9"
    & skf18("1","4","5","5","5","1","1") = "4"
    & skf18("1","4","5","5","5","2","1") = "4"
    & skf18("1","4","5","5","5","3","1") = "4"
    & skf18("1","4","5","5","5","4","1") = "4"
    & skf18("1","4","5","5","5","5","1") = "4"
    & skf18("1","4","5","5","5","6","1") = "5"
    & skf18("1","4","5","5","5","7","1") = "6"
    & skf18("1","4","5","5","5","8","1") = "7"
    & skf18("1","4","5","5","5","9","1") = "8"
    & skf18("1","4","5","5","5","10","1") = "9"
    & skf18("1","4","5","5","6","1","1") = "5"
    & skf18("1","4","5","5","6","2","1") = "5"
    & skf18("1","4","5","5","6","3","1") = "5"
    & skf18("1","4","5","5","6","4","1") = "5"
    & skf18("1","4","5","5","6","5","1") = "5"
    & skf18("1","4","5","5","6","6","1") = "5"
    & skf18("1","4","5","5","6","7","1") = "6"
    & skf18("1","4","5","5","6","8","1") = "7"
    & skf18("1","4","5","5","6","9","1") = "8"
    & skf18("1","4","5","5","6","10","1") = "9"
    & skf18("1","4","5","5","7","1","1") = "6"
    & skf18("1","4","5","5","7","2","1") = "6"
    & skf18("1","4","5","5","7","3","1") = "6"
    & skf18("1","4","5","5","7","4","1") = "6"
    & skf18("1","4","5","5","7","5","1") = "6"
    & skf18("1","4","5","5","7","6","1") = "6"
    & skf18("1","4","5","5","7","7","1") = "6"
    & skf18("1","4","5","5","7","8","1") = "7"
    & skf18("1","4","5","5","7","9","1") = "8"
    & skf18("1","4","5","5","7","10","1") = "9"
    & skf18("1","4","5","5","8","1","1") = "7"
    & skf18("1","4","5","5","8","2","1") = "7"
    & skf18("1","4","5","5","8","3","1") = "7"
    & skf18("1","4","5","5","8","4","1") = "7"
    & skf18("1","4","5","5","8","5","1") = "7"
    & skf18("1","4","5","5","8","6","1") = "7"
    & skf18("1","4","5","5","8","7","1") = "7"
    & skf18("1","4","5","5","8","8","1") = "7"
    & skf18("1","4","5","5","8","9","1") = "8"
    & skf18("1","4","5","5","8","10","1") = "9"
    & skf18("1","4","5","5","9","1","1") = "8"
    & skf18("1","4","5","5","9","2","1") = "8"
    & skf18("1","4","5","5","9","3","1") = "8"
    & skf18("1","4","5","5","9","4","1") = "8"
    & skf18("1","4","5","5","9","5","1") = "8"
    & skf18("1","4","5","5","9","6","1") = "8"
    & skf18("1","4","5","5","9","7","1") = "8"
    & skf18("1","4","5","5","9","8","1") = "8"
    & skf18("1","4","5","5","9","9","1") = "8"
    & skf18("1","4","5","5","9","10","1") = "9"
    & skf18("1","4","5","5","10","1","1") = "9"
    & skf18("1","4","5","5","10","2","1") = "9"
    & skf18("1","4","5","5","10","3","1") = "9"
    & skf18("1","4","5","5","10","4","1") = "9"
    & skf18("1","4","5","5","10","5","1") = "9"
    & skf18("1","4","5","5","10","6","1") = "9"
    & skf18("1","4","5","5","10","7","1") = "9"
    & skf18("1","4","5","5","10","8","1") = "9"
    & skf18("1","4","5","5","10","9","1") = "9"
    & skf18("1","4","5","5","10","10","1") = "9"
    & skf18("1","4","5","6","1","1","1") = "5"
    & skf18("1","4","5","6","1","2","1") = "5"
    & skf18("1","4","5","6","1","3","1") = "5"
    & skf18("1","4","5","6","1","4","1") = "5"
    & skf18("1","4","5","6","1","5","1") = "5"
    & skf18("1","4","5","6","1","6","1") = "5"
    & skf18("1","4","5","6","1","7","1") = "6"
    & skf18("1","4","5","6","1","8","1") = "7"
    & skf18("1","4","5","6","1","9","1") = "8"
    & skf18("1","4","5","6","1","10","1") = "9"
    & skf18("1","4","5","6","2","1","1") = "5"
    & skf18("1","4","5","6","2","2","1") = "5"
    & skf18("1","4","5","6","2","3","1") = "5"
    & skf18("1","4","5","6","2","4","1") = "5"
    & skf18("1","4","5","6","2","5","1") = "5"
    & skf18("1","4","5","6","2","6","1") = "5"
    & skf18("1","4","5","6","2","7","1") = "6"
    & skf18("1","4","5","6","2","8","1") = "7"
    & skf18("1","4","5","6","2","9","1") = "8"
    & skf18("1","4","5","6","2","10","1") = "9"
    & skf18("1","4","5","6","3","1","1") = "5"
    & skf18("1","4","5","6","3","2","1") = "5"
    & skf18("1","4","5","6","3","3","1") = "5"
    & skf18("1","4","5","6","3","4","1") = "5"
    & skf18("1","4","5","6","3","5","1") = "5"
    & skf18("1","4","5","6","3","6","1") = "5"
    & skf18("1","4","5","6","3","7","1") = "6"
    & skf18("1","4","5","6","3","8","1") = "7"
    & skf18("1","4","5","6","3","9","1") = "8"
    & skf18("1","4","5","6","3","10","1") = "9"
    & skf18("1","4","5","6","4","1","1") = "5"
    & skf18("1","4","5","6","4","2","1") = "5"
    & skf18("1","4","5","6","4","3","1") = "5"
    & skf18("1","4","5","6","4","4","1") = "5"
    & skf18("1","4","5","6","4","5","1") = "5"
    & skf18("1","4","5","6","4","6","1") = "5"
    & skf18("1","4","5","6","4","7","1") = "6"
    & skf18("1","4","5","6","4","8","1") = "7"
    & skf18("1","4","5","6","4","9","1") = "8"
    & skf18("1","4","5","6","4","10","1") = "9"
    & skf18("1","4","5","6","5","1","1") = "5"
    & skf18("1","4","5","6","5","2","1") = "5"
    & skf18("1","4","5","6","5","3","1") = "5"
    & skf18("1","4","5","6","5","4","1") = "5"
    & skf18("1","4","5","6","5","5","1") = "5"
    & skf18("1","4","5","6","5","6","1") = "5"
    & skf18("1","4","5","6","5","7","1") = "6"
    & skf18("1","4","5","6","5","8","1") = "7"
    & skf18("1","4","5","6","5","9","1") = "8"
    & skf18("1","4","5","6","5","10","1") = "9"
    & skf18("1","4","5","6","6","1","1") = "5"
    & skf18("1","4","5","6","6","2","1") = "5"
    & skf18("1","4","5","6","6","3","1") = "5"
    & skf18("1","4","5","6","6","4","1") = "5"
    & skf18("1","4","5","6","6","5","1") = "5"
    & skf18("1","4","5","6","6","6","1") = "5"
    & skf18("1","4","5","6","6","7","1") = "6"
    & skf18("1","4","5","6","6","8","1") = "7"
    & skf18("1","4","5","6","6","9","1") = "8"
    & skf18("1","4","5","6","6","10","1") = "9"
    & skf18("1","4","5","6","7","1","1") = "6"
    & skf18("1","4","5","6","7","2","1") = "6"
    & skf18("1","4","5","6","7","3","1") = "6"
    & skf18("1","4","5","6","7","4","1") = "6"
    & skf18("1","4","5","6","7","5","1") = "6"
    & skf18("1","4","5","6","7","6","1") = "6"
    & skf18("1","4","5","6","7","7","1") = "6"
    & skf18("1","4","5","6","7","8","1") = "7"
    & skf18("1","4","5","6","7","9","1") = "8"
    & skf18("1","4","5","6","7","10","1") = "9"
    & skf18("1","4","5","6","8","1","1") = "7"
    & skf18("1","4","5","6","8","2","1") = "7"
    & skf18("1","4","5","6","8","3","1") = "7"
    & skf18("1","4","5","6","8","4","1") = "7"
    & skf18("1","4","5","6","8","5","1") = "7"
    & skf18("1","4","5","6","8","6","1") = "7"
    & skf18("1","4","5","6","8","7","1") = "7"
    & skf18("1","4","5","6","8","8","1") = "7"
    & skf18("1","4","5","6","8","9","1") = "8"
    & skf18("1","4","5","6","8","10","1") = "9"
    & skf18("1","4","5","6","9","1","1") = "8"
    & skf18("1","4","5","6","9","2","1") = "8"
    & skf18("1","4","5","6","9","3","1") = "8"
    & skf18("1","4","5","6","9","4","1") = "8"
    & skf18("1","4","5","6","9","5","1") = "8"
    & skf18("1","4","5","6","9","6","1") = "8"
    & skf18("1","4","5","6","9","7","1") = "8"
    & skf18("1","4","5","6","9","8","1") = "8"
    & skf18("1","4","5","6","9","9","1") = "8"
    & skf18("1","4","5","6","9","10","1") = "9"
    & skf18("1","4","5","6","10","1","1") = "9"
    & skf18("1","4","5","6","10","2","1") = "9"
    & skf18("1","4","5","6","10","3","1") = "9"
    & skf18("1","4","5","6","10","4","1") = "9"
    & skf18("1","4","5","6","10","5","1") = "9"
    & skf18("1","4","5","6","10","6","1") = "9"
    & skf18("1","4","5","6","10","7","1") = "9"
    & skf18("1","4","5","6","10","8","1") = "9"
    & skf18("1","4","5","6","10","9","1") = "9"
    & skf18("1","4","5","6","10","10","1") = "9"
    & skf18("1","4","5","7","1","1","1") = "6"
    & skf18("1","4","5","7","1","2","1") = "6"
    & skf18("1","4","5","7","1","3","1") = "6"
    & skf18("1","4","5","7","1","4","1") = "6"
    & skf18("1","4","5","7","1","5","1") = "6"
    & skf18("1","4","5","7","1","6","1") = "6"
    & skf18("1","4","5","7","1","7","1") = "6"
    & skf18("1","4","5","7","1","8","1") = "7"
    & skf18("1","4","5","7","1","9","1") = "8"
    & skf18("1","4","5","7","1","10","1") = "9"
    & skf18("1","4","5","7","2","1","1") = "6"
    & skf18("1","4","5","7","2","2","1") = "6"
    & skf18("1","4","5","7","2","3","1") = "6"
    & skf18("1","4","5","7","2","4","1") = "6"
    & skf18("1","4","5","7","2","5","1") = "6"
    & skf18("1","4","5","7","2","6","1") = "6"
    & skf18("1","4","5","7","2","7","1") = "6"
    & skf18("1","4","5","7","2","8","1") = "7"
    & skf18("1","4","5","7","2","9","1") = "8"
    & skf18("1","4","5","7","2","10","1") = "9"
    & skf18("1","4","5","7","3","1","1") = "6"
    & skf18("1","4","5","7","3","2","1") = "6"
    & skf18("1","4","5","7","3","3","1") = "6"
    & skf18("1","4","5","7","3","4","1") = "6"
    & skf18("1","4","5","7","3","5","1") = "6"
    & skf18("1","4","5","7","3","6","1") = "6"
    & skf18("1","4","5","7","3","7","1") = "6"
    & skf18("1","4","5","7","3","8","1") = "7"
    & skf18("1","4","5","7","3","9","1") = "8"
    & skf18("1","4","5","7","3","10","1") = "9"
    & skf18("1","4","5","7","4","1","1") = "6"
    & skf18("1","4","5","7","4","2","1") = "6"
    & skf18("1","4","5","7","4","3","1") = "6"
    & skf18("1","4","5","7","4","4","1") = "6"
    & skf18("1","4","5","7","4","5","1") = "6"
    & skf18("1","4","5","7","4","6","1") = "6"
    & skf18("1","4","5","7","4","7","1") = "6"
    & skf18("1","4","5","7","4","8","1") = "7"
    & skf18("1","4","5","7","4","9","1") = "8"
    & skf18("1","4","5","7","4","10","1") = "9"
    & skf18("1","4","5","7","5","1","1") = "6"
    & skf18("1","4","5","7","5","2","1") = "6"
    & skf18("1","4","5","7","5","3","1") = "6"
    & skf18("1","4","5","7","5","4","1") = "6"
    & skf18("1","4","5","7","5","5","1") = "6"
    & skf18("1","4","5","7","5","6","1") = "6"
    & skf18("1","4","5","7","5","7","1") = "6"
    & skf18("1","4","5","7","5","8","1") = "7"
    & skf18("1","4","5","7","5","9","1") = "8"
    & skf18("1","4","5","7","5","10","1") = "9"
    & skf18("1","4","5","7","6","1","1") = "6"
    & skf18("1","4","5","7","6","2","1") = "6"
    & skf18("1","4","5","7","6","3","1") = "6"
    & skf18("1","4","5","7","6","4","1") = "6"
    & skf18("1","4","5","7","6","5","1") = "6"
    & skf18("1","4","5","7","6","6","1") = "6"
    & skf18("1","4","5","7","6","7","1") = "6"
    & skf18("1","4","5","7","6","8","1") = "7"
    & skf18("1","4","5","7","6","9","1") = "8"
    & skf18("1","4","5","7","6","10","1") = "9"
    & skf18("1","4","5","7","7","1","1") = "6"
    & skf18("1","4","5","7","7","2","1") = "6"
    & skf18("1","4","5","7","7","3","1") = "6"
    & skf18("1","4","5","7","7","4","1") = "6"
    & skf18("1","4","5","7","7","5","1") = "6"
    & skf18("1","4","5","7","7","6","1") = "6"
    & skf18("1","4","5","7","7","7","1") = "6"
    & skf18("1","4","5","7","7","8","1") = "7"
    & skf18("1","4","5","7","7","9","1") = "8"
    & skf18("1","4","5","7","7","10","1") = "9"
    & skf18("1","4","5","7","8","1","1") = "7"
    & skf18("1","4","5","7","8","2","1") = "7"
    & skf18("1","4","5","7","8","3","1") = "7"
    & skf18("1","4","5","7","8","4","1") = "7"
    & skf18("1","4","5","7","8","5","1") = "7"
    & skf18("1","4","5","7","8","6","1") = "7"
    & skf18("1","4","5","7","8","7","1") = "7"
    & skf18("1","4","5","7","8","8","1") = "7"
    & skf18("1","4","5","7","8","9","1") = "8"
    & skf18("1","4","5","7","8","10","1") = "9"
    & skf18("1","4","5","7","9","1","1") = "8"
    & skf18("1","4","5","7","9","2","1") = "8"
    & skf18("1","4","5","7","9","3","1") = "8"
    & skf18("1","4","5","7","9","4","1") = "8"
    & skf18("1","4","5","7","9","5","1") = "8"
    & skf18("1","4","5","7","9","6","1") = "8"
    & skf18("1","4","5","7","9","7","1") = "8"
    & skf18("1","4","5","7","9","8","1") = "8"
    & skf18("1","4","5","7","9","9","1") = "8"
    & skf18("1","4","5","7","9","10","1") = "9"
    & skf18("1","4","5","7","10","1","1") = "9"
    & skf18("1","4","5","7","10","2","1") = "9"
    & skf18("1","4","5","7","10","3","1") = "9"
    & skf18("1","4","5","7","10","4","1") = "9"
    & skf18("1","4","5","7","10","5","1") = "9"
    & skf18("1","4","5","7","10","6","1") = "9"
    & skf18("1","4","5","7","10","7","1") = "9"
    & skf18("1","4","5","7","10","8","1") = "9"
    & skf18("1","4","5","7","10","9","1") = "9"
    & skf18("1","4","5","7","10","10","1") = "9"
    & skf18("1","4","5","8","1","1","1") = "7"
    & skf18("1","4","5","8","1","2","1") = "7"
    & skf18("1","4","5","8","1","3","1") = "7"
    & skf18("1","4","5","8","1","4","1") = "7"
    & skf18("1","4","5","8","1","5","1") = "7"
    & skf18("1","4","5","8","1","6","1") = "7"
    & skf18("1","4","5","8","1","7","1") = "7"
    & skf18("1","4","5","8","1","8","1") = "7"
    & skf18("1","4","5","8","1","9","1") = "8"
    & skf18("1","4","5","8","1","10","1") = "9"
    & skf18("1","4","5","8","2","1","1") = "7"
    & skf18("1","4","5","8","2","2","1") = "7"
    & skf18("1","4","5","8","2","3","1") = "7"
    & skf18("1","4","5","8","2","4","1") = "7"
    & skf18("1","4","5","8","2","5","1") = "7"
    & skf18("1","4","5","8","2","6","1") = "7"
    & skf18("1","4","5","8","2","7","1") = "7"
    & skf18("1","4","5","8","2","8","1") = "7"
    & skf18("1","4","5","8","2","9","1") = "8"
    & skf18("1","4","5","8","2","10","1") = "9"
    & skf18("1","4","5","8","3","1","1") = "7"
    & skf18("1","4","5","8","3","2","1") = "7"
    & skf18("1","4","5","8","3","3","1") = "7"
    & skf18("1","4","5","8","3","4","1") = "7"
    & skf18("1","4","5","8","3","5","1") = "7"
    & skf18("1","4","5","8","3","6","1") = "7"
    & skf18("1","4","5","8","3","7","1") = "7"
    & skf18("1","4","5","8","3","8","1") = "7"
    & skf18("1","4","5","8","3","9","1") = "8"
    & skf18("1","4","5","8","3","10","1") = "9"
    & skf18("1","4","5","8","4","1","1") = "7"
    & skf18("1","4","5","8","4","2","1") = "7"
    & skf18("1","4","5","8","4","3","1") = "7"
    & skf18("1","4","5","8","4","4","1") = "7"
    & skf18("1","4","5","8","4","5","1") = "7"
    & skf18("1","4","5","8","4","6","1") = "7"
    & skf18("1","4","5","8","4","7","1") = "7"
    & skf18("1","4","5","8","4","8","1") = "7"
    & skf18("1","4","5","8","4","9","1") = "8"
    & skf18("1","4","5","8","4","10","1") = "9"
    & skf18("1","4","5","8","5","1","1") = "7"
    & skf18("1","4","5","8","5","2","1") = "7"
    & skf18("1","4","5","8","5","3","1") = "7"
    & skf18("1","4","5","8","5","4","1") = "7"
    & skf18("1","4","5","8","5","5","1") = "7"
    & skf18("1","4","5","8","5","6","1") = "7"
    & skf18("1","4","5","8","5","7","1") = "7"
    & skf18("1","4","5","8","5","8","1") = "7"
    & skf18("1","4","5","8","5","9","1") = "8"
    & skf18("1","4","5","8","5","10","1") = "9"
    & skf18("1","4","5","8","6","1","1") = "7"
    & skf18("1","4","5","8","6","2","1") = "7"
    & skf18("1","4","5","8","6","3","1") = "7"
    & skf18("1","4","5","8","6","4","1") = "7"
    & skf18("1","4","5","8","6","5","1") = "7"
    & skf18("1","4","5","8","6","6","1") = "7"
    & skf18("1","4","5","8","6","7","1") = "7"
    & skf18("1","4","5","8","6","8","1") = "7"
    & skf18("1","4","5","8","6","9","1") = "8"
    & skf18("1","4","5","8","6","10","1") = "9"
    & skf18("1","4","5","8","7","1","1") = "7"
    & skf18("1","4","5","8","7","2","1") = "7"
    & skf18("1","4","5","8","7","3","1") = "7"
    & skf18("1","4","5","8","7","4","1") = "7"
    & skf18("1","4","5","8","7","5","1") = "7"
    & skf18("1","4","5","8","7","6","1") = "7"
    & skf18("1","4","5","8","7","7","1") = "7"
    & skf18("1","4","5","8","7","8","1") = "7"
    & skf18("1","4","5","8","7","9","1") = "8"
    & skf18("1","4","5","8","7","10","1") = "9"
    & skf18("1","4","5","8","8","1","1") = "7"
    & skf18("1","4","5","8","8","2","1") = "7"
    & skf18("1","4","5","8","8","3","1") = "7"
    & skf18("1","4","5","8","8","4","1") = "7"
    & skf18("1","4","5","8","8","5","1") = "7"
    & skf18("1","4","5","8","8","6","1") = "7"
    & skf18("1","4","5","8","8","7","1") = "7"
    & skf18("1","4","5","8","8","8","1") = "7"
    & skf18("1","4","5","8","8","9","1") = "8"
    & skf18("1","4","5","8","8","10","1") = "9"
    & skf18("1","4","5","8","9","1","1") = "8"
    & skf18("1","4","5","8","9","2","1") = "8"
    & skf18("1","4","5","8","9","3","1") = "8"
    & skf18("1","4","5","8","9","4","1") = "8"
    & skf18("1","4","5","8","9","5","1") = "8"
    & skf18("1","4","5","8","9","6","1") = "8"
    & skf18("1","4","5","8","9","7","1") = "8"
    & skf18("1","4","5","8","9","8","1") = "8"
    & skf18("1","4","5","8","9","9","1") = "8"
    & skf18("1","4","5","8","9","10","1") = "9"
    & skf18("1","4","5","8","10","1","1") = "9"
    & skf18("1","4","5","8","10","2","1") = "9"
    & skf18("1","4","5","8","10","3","1") = "9"
    & skf18("1","4","5","8","10","4","1") = "9"
    & skf18("1","4","5","8","10","5","1") = "9"
    & skf18("1","4","5","8","10","6","1") = "9"
    & skf18("1","4","5","8","10","7","1") = "9"
    & skf18("1","4","5","8","10","8","1") = "9"
    & skf18("1","4","5","8","10","9","1") = "9"
    & skf18("1","4","5","8","10","10","1") = "9"
    & skf18("1","4","5","9","1","1","1") = "8"
    & skf18("1","4","5","9","1","2","1") = "8"
    & skf18("1","4","5","9","1","3","1") = "8"
    & skf18("1","4","5","9","1","4","1") = "8"
    & skf18("1","4","5","9","1","5","1") = "8"
    & skf18("1","4","5","9","1","6","1") = "8"
    & skf18("1","4","5","9","1","7","1") = "8"
    & skf18("1","4","5","9","1","8","1") = "8"
    & skf18("1","4","5","9","1","9","1") = "8"
    & skf18("1","4","5","9","1","10","1") = "9"
    & skf18("1","4","5","9","2","1","1") = "8"
    & skf18("1","4","5","9","2","2","1") = "8"
    & skf18("1","4","5","9","2","3","1") = "8"
    & skf18("1","4","5","9","2","4","1") = "8"
    & skf18("1","4","5","9","2","5","1") = "8"
    & skf18("1","4","5","9","2","6","1") = "8"
    & skf18("1","4","5","9","2","7","1") = "8"
    & skf18("1","4","5","9","2","8","1") = "8"
    & skf18("1","4","5","9","2","9","1") = "8"
    & skf18("1","4","5","9","2","10","1") = "9"
    & skf18("1","4","5","9","3","1","1") = "8"
    & skf18("1","4","5","9","3","2","1") = "8"
    & skf18("1","4","5","9","3","3","1") = "8"
    & skf18("1","4","5","9","3","4","1") = "8"
    & skf18("1","4","5","9","3","5","1") = "8"
    & skf18("1","4","5","9","3","6","1") = "8"
    & skf18("1","4","5","9","3","7","1") = "8"
    & skf18("1","4","5","9","3","8","1") = "8"
    & skf18("1","4","5","9","3","9","1") = "8"
    & skf18("1","4","5","9","3","10","1") = "9"
    & skf18("1","4","5","9","4","1","1") = "8"
    & skf18("1","4","5","9","4","2","1") = "8"
    & skf18("1","4","5","9","4","3","1") = "8"
    & skf18("1","4","5","9","4","4","1") = "8"
    & skf18("1","4","5","9","4","5","1") = "8"
    & skf18("1","4","5","9","4","6","1") = "8"
    & skf18("1","4","5","9","4","7","1") = "8"
    & skf18("1","4","5","9","4","8","1") = "8"
    & skf18("1","4","5","9","4","9","1") = "8"
    & skf18("1","4","5","9","4","10","1") = "9"
    & skf18("1","4","5","9","5","1","1") = "8"
    & skf18("1","4","5","9","5","2","1") = "8"
    & skf18("1","4","5","9","5","3","1") = "8"
    & skf18("1","4","5","9","5","4","1") = "8"
    & skf18("1","4","5","9","5","5","1") = "8"
    & skf18("1","4","5","9","5","6","1") = "8"
    & skf18("1","4","5","9","5","7","1") = "8"
    & skf18("1","4","5","9","5","8","1") = "8"
    & skf18("1","4","5","9","5","9","1") = "8"
    & skf18("1","4","5","9","5","10","1") = "9"
    & skf18("1","4","5","9","6","1","1") = "8"
    & skf18("1","4","5","9","6","2","1") = "8"
    & skf18("1","4","5","9","6","3","1") = "8"
    & skf18("1","4","5","9","6","4","1") = "8"
    & skf18("1","4","5","9","6","5","1") = "8"
    & skf18("1","4","5","9","6","6","1") = "8"
    & skf18("1","4","5","9","6","7","1") = "8"
    & skf18("1","4","5","9","6","8","1") = "8"
    & skf18("1","4","5","9","6","9","1") = "8"
    & skf18("1","4","5","9","6","10","1") = "9"
    & skf18("1","4","5","9","7","1","1") = "8"
    & skf18("1","4","5","9","7","2","1") = "8"
    & skf18("1","4","5","9","7","3","1") = "8"
    & skf18("1","4","5","9","7","4","1") = "8"
    & skf18("1","4","5","9","7","5","1") = "8"
    & skf18("1","4","5","9","7","6","1") = "8"
    & skf18("1","4","5","9","7","7","1") = "8"
    & skf18("1","4","5","9","7","8","1") = "8"
    & skf18("1","4","5","9","7","9","1") = "8"
    & skf18("1","4","5","9","7","10","1") = "9"
    & skf18("1","4","5","9","8","1","1") = "8"
    & skf18("1","4","5","9","8","2","1") = "8"
    & skf18("1","4","5","9","8","3","1") = "8"
    & skf18("1","4","5","9","8","4","1") = "8"
    & skf18("1","4","5","9","8","5","1") = "8"
    & skf18("1","4","5","9","8","6","1") = "8"
    & skf18("1","4","5","9","8","7","1") = "8"
    & skf18("1","4","5","9","8","8","1") = "8"
    & skf18("1","4","5","9","8","9","1") = "8"
    & skf18("1","4","5","9","8","10","1") = "9"
    & skf18("1","4","5","9","9","1","1") = "8"
    & skf18("1","4","5","9","9","2","1") = "8"
    & skf18("1","4","5","9","9","3","1") = "8"
    & skf18("1","4","5","9","9","4","1") = "8"
    & skf18("1","4","5","9","9","5","1") = "8"
    & skf18("1","4","5","9","9","6","1") = "8"
    & skf18("1","4","5","9","9","7","1") = "8"
    & skf18("1","4","5","9","9","8","1") = "8"
    & skf18("1","4","5","9","9","9","1") = "8"
    & skf18("1","4","5","9","9","10","1") = "9"
    & skf18("1","4","5","9","10","1","1") = "9"
    & skf18("1","4","5","9","10","2","1") = "9"
    & skf18("1","4","5","9","10","3","1") = "9"
    & skf18("1","4","5","9","10","4","1") = "9"
    & skf18("1","4","5","9","10","5","1") = "9"
    & skf18("1","4","5","9","10","6","1") = "9"
    & skf18("1","4","5","9","10","7","1") = "9"
    & skf18("1","4","5","9","10","8","1") = "9"
    & skf18("1","4","5","9","10","9","1") = "9"
    & skf18("1","4","5","9","10","10","1") = "9"
    & skf18("1","4","5","10","1","1","1") = "9"
    & skf18("1","4","5","10","1","2","1") = "9"
    & skf18("1","4","5","10","1","3","1") = "9"
    & skf18("1","4","5","10","1","4","1") = "9"
    & skf18("1","4","5","10","1","5","1") = "9"
    & skf18("1","4","5","10","1","6","1") = "9"
    & skf18("1","4","5","10","1","7","1") = "9"
    & skf18("1","4","5","10","1","8","1") = "9"
    & skf18("1","4","5","10","1","9","1") = "9"
    & skf18("1","4","5","10","1","10","1") = "9"
    & skf18("1","4","5","10","2","1","1") = "9"
    & skf18("1","4","5","10","2","2","1") = "9"
    & skf18("1","4","5","10","2","3","1") = "9"
    & skf18("1","4","5","10","2","4","1") = "9"
    & skf18("1","4","5","10","2","5","1") = "9"
    & skf18("1","4","5","10","2","6","1") = "9"
    & skf18("1","4","5","10","2","7","1") = "9"
    & skf18("1","4","5","10","2","8","1") = "9"
    & skf18("1","4","5","10","2","9","1") = "9"
    & skf18("1","4","5","10","2","10","1") = "9"
    & skf18("1","4","5","10","3","1","1") = "9"
    & skf18("1","4","5","10","3","2","1") = "9"
    & skf18("1","4","5","10","3","3","1") = "9"
    & skf18("1","4","5","10","3","4","1") = "9"
    & skf18("1","4","5","10","3","5","1") = "9"
    & skf18("1","4","5","10","3","6","1") = "9"
    & skf18("1","4","5","10","3","7","1") = "9"
    & skf18("1","4","5","10","3","8","1") = "9"
    & skf18("1","4","5","10","3","9","1") = "9"
    & skf18("1","4","5","10","3","10","1") = "9"
    & skf18("1","4","5","10","4","1","1") = "9"
    & skf18("1","4","5","10","4","2","1") = "9"
    & skf18("1","4","5","10","4","3","1") = "9"
    & skf18("1","4","5","10","4","4","1") = "9"
    & skf18("1","4","5","10","4","5","1") = "9"
    & skf18("1","4","5","10","4","6","1") = "9"
    & skf18("1","4","5","10","4","7","1") = "9"
    & skf18("1","4","5","10","4","8","1") = "9"
    & skf18("1","4","5","10","4","9","1") = "9"
    & skf18("1","4","5","10","4","10","1") = "9"
    & skf18("1","4","5","10","5","1","1") = "9"
    & skf18("1","4","5","10","5","2","1") = "9"
    & skf18("1","4","5","10","5","3","1") = "9"
    & skf18("1","4","5","10","5","4","1") = "9"
    & skf18("1","4","5","10","5","5","1") = "9"
    & skf18("1","4","5","10","5","6","1") = "9"
    & skf18("1","4","5","10","5","7","1") = "9"
    & skf18("1","4","5","10","5","8","1") = "9"
    & skf18("1","4","5","10","5","9","1") = "9"
    & skf18("1","4","5","10","5","10","1") = "9"
    & skf18("1","4","5","10","6","1","1") = "9"
    & skf18("1","4","5","10","6","2","1") = "9"
    & skf18("1","4","5","10","6","3","1") = "9"
    & skf18("1","4","5","10","6","4","1") = "9"
    & skf18("1","4","5","10","6","5","1") = "9"
    & skf18("1","4","5","10","6","6","1") = "9"
    & skf18("1","4","5","10","6","7","1") = "9"
    & skf18("1","4","5","10","6","8","1") = "9"
    & skf18("1","4","5","10","6","9","1") = "9"
    & skf18("1","4","5","10","6","10","1") = "9"
    & skf18("1","4","5","10","7","1","1") = "9"
    & skf18("1","4","5","10","7","2","1") = "9"
    & skf18("1","4","5","10","7","3","1") = "9"
    & skf18("1","4","5","10","7","4","1") = "9"
    & skf18("1","4","5","10","7","5","1") = "9"
    & skf18("1","4","5","10","7","6","1") = "9"
    & skf18("1","4","5","10","7","7","1") = "9"
    & skf18("1","4","5","10","7","8","1") = "9"
    & skf18("1","4","5","10","7","9","1") = "9"
    & skf18("1","4","5","10","7","10","1") = "9"
    & skf18("1","4","5","10","8","1","1") = "9"
    & skf18("1","4","5","10","8","2","1") = "9"
    & skf18("1","4","5","10","8","3","1") = "9"
    & skf18("1","4","5","10","8","4","1") = "9"
    & skf18("1","4","5","10","8","5","1") = "9"
    & skf18("1","4","5","10","8","6","1") = "9"
    & skf18("1","4","5","10","8","7","1") = "9"
    & skf18("1","4","5","10","8","8","1") = "9"
    & skf18("1","4","5","10","8","9","1") = "9"
    & skf18("1","4","5","10","8","10","1") = "9"
    & skf18("1","4","5","10","9","1","1") = "9"
    & skf18("1","4","5","10","9","2","1") = "9"
    & skf18("1","4","5","10","9","3","1") = "9"
    & skf18("1","4","5","10","9","4","1") = "9"
    & skf18("1","4","5","10","9","5","1") = "9"
    & skf18("1","4","5","10","9","6","1") = "9"
    & skf18("1","4","5","10","9","7","1") = "9"
    & skf18("1","4","5","10","9","8","1") = "9"
    & skf18("1","4","5","10","9","9","1") = "9"
    & skf18("1","4","5","10","9","10","1") = "9"
    & skf18("1","4","5","10","10","1","1") = "9"
    & skf18("1","4","5","10","10","2","1") = "9"
    & skf18("1","4","5","10","10","3","1") = "9"
    & skf18("1","4","5","10","10","4","1") = "9"
    & skf18("1","4","5","10","10","5","1") = "9"
    & skf18("1","4","5","10","10","6","1") = "9"
    & skf18("1","4","5","10","10","7","1") = "9"
    & skf18("1","4","5","10","10","8","1") = "9"
    & skf18("1","4","5","10","10","9","1") = "9"
    & skf18("1","4","5","10","10","10","1") = "9"
    & skf18("1","4","6","1","1","1","1") = "5"
    & skf18("1","4","6","1","1","2","1") = "5"
    & skf18("1","4","6","1","1","3","1") = "5"
    & skf18("1","4","6","1","1","4","1") = "5"
    & skf18("1","4","6","1","1","5","1") = "5"
    & skf18("1","4","6","1","1","6","1") = "5"
    & skf18("1","4","6","1","1","7","1") = "6"
    & skf18("1","4","6","1","1","8","1") = "7"
    & skf18("1","4","6","1","1","9","1") = "8"
    & skf18("1","4","6","1","1","10","1") = "9"
    & skf18("1","4","6","1","2","1","1") = "5"
    & skf18("1","4","6","1","2","2","1") = "5"
    & skf18("1","4","6","1","2","3","1") = "5"
    & skf18("1","4","6","1","2","4","1") = "5"
    & skf18("1","4","6","1","2","5","1") = "5"
    & skf18("1","4","6","1","2","6","1") = "5"
    & skf18("1","4","6","1","2","7","1") = "6"
    & skf18("1","4","6","1","2","8","1") = "7"
    & skf18("1","4","6","1","2","9","1") = "8"
    & skf18("1","4","6","1","2","10","1") = "9"
    & skf18("1","4","6","1","3","1","1") = "5"
    & skf18("1","4","6","1","3","2","1") = "5"
    & skf18("1","4","6","1","3","3","1") = "5"
    & skf18("1","4","6","1","3","4","1") = "5"
    & skf18("1","4","6","1","3","5","1") = "5"
    & skf18("1","4","6","1","3","6","1") = "5"
    & skf18("1","4","6","1","3","7","1") = "6"
    & skf18("1","4","6","1","3","8","1") = "7"
    & skf18("1","4","6","1","3","9","1") = "8"
    & skf18("1","4","6","1","3","10","1") = "9"
    & skf18("1","4","6","1","4","1","1") = "5"
    & skf18("1","4","6","1","4","2","1") = "5"
    & skf18("1","4","6","1","4","3","1") = "5"
    & skf18("1","4","6","1","4","4","1") = "5"
    & skf18("1","4","6","1","4","5","1") = "5"
    & skf18("1","4","6","1","4","6","1") = "5"
    & skf18("1","4","6","1","4","7","1") = "6"
    & skf18("1","4","6","1","4","8","1") = "7"
    & skf18("1","4","6","1","4","9","1") = "8"
    & skf18("1","4","6","1","4","10","1") = "9"
    & skf18("1","4","6","1","5","1","1") = "5"
    & skf18("1","4","6","1","5","2","1") = "5"
    & skf18("1","4","6","1","5","3","1") = "5"
    & skf18("1","4","6","1","5","4","1") = "5"
    & skf18("1","4","6","1","5","5","1") = "5"
    & skf18("1","4","6","1","5","6","1") = "5"
    & skf18("1","4","6","1","5","7","1") = "6"
    & skf18("1","4","6","1","5","8","1") = "7"
    & skf18("1","4","6","1","5","9","1") = "8"
    & skf18("1","4","6","1","5","10","1") = "9"
    & skf18("1","4","6","1","6","1","1") = "5"
    & skf18("1","4","6","1","6","2","1") = "5"
    & skf18("1","4","6","1","6","3","1") = "5"
    & skf18("1","4","6","1","6","4","1") = "5"
    & skf18("1","4","6","1","6","5","1") = "5"
    & skf18("1","4","6","1","6","6","1") = "5"
    & skf18("1","4","6","1","6","7","1") = "6"
    & skf18("1","4","6","1","6","8","1") = "7"
    & skf18("1","4","6","1","6","9","1") = "8"
    & skf18("1","4","6","1","6","10","1") = "9"
    & skf18("1","4","6","1","7","1","1") = "6"
    & skf18("1","4","6","1","7","2","1") = "6"
    & skf18("1","4","6","1","7","3","1") = "6"
    & skf18("1","4","6","1","7","4","1") = "6"
    & skf18("1","4","6","1","7","5","1") = "6"
    & skf18("1","4","6","1","7","6","1") = "6"
    & skf18("1","4","6","1","7","7","1") = "6"
    & skf18("1","4","6","1","7","8","1") = "7"
    & skf18("1","4","6","1","7","9","1") = "8"
    & skf18("1","4","6","1","7","10","1") = "9"
    & skf18("1","4","6","1","8","1","1") = "7"
    & skf18("1","4","6","1","8","2","1") = "7"
    & skf18("1","4","6","1","8","3","1") = "7"
    & skf18("1","4","6","1","8","4","1") = "7"
    & skf18("1","4","6","1","8","5","1") = "7"
    & skf18("1","4","6","1","8","6","1") = "7"
    & skf18("1","4","6","1","8","7","1") = "7"
    & skf18("1","4","6","1","8","8","1") = "7"
    & skf18("1","4","6","1","8","9","1") = "8"
    & skf18("1","4","6","1","8","10","1") = "9"
    & skf18("1","4","6","1","9","1","1") = "8"
    & skf18("1","4","6","1","9","2","1") = "8"
    & skf18("1","4","6","1","9","3","1") = "8"
    & skf18("1","4","6","1","9","4","1") = "8"
    & skf18("1","4","6","1","9","5","1") = "8"
    & skf18("1","4","6","1","9","6","1") = "8"
    & skf18("1","4","6","1","9","7","1") = "8"
    & skf18("1","4","6","1","9","8","1") = "8"
    & skf18("1","4","6","1","9","9","1") = "8"
    & skf18("1","4","6","1","9","10","1") = "9"
    & skf18("1","4","6","1","10","1","1") = "9"
    & skf18("1","4","6","1","10","2","1") = "9"
    & skf18("1","4","6","1","10","3","1") = "9"
    & skf18("1","4","6","1","10","4","1") = "9"
    & skf18("1","4","6","1","10","5","1") = "9"
    & skf18("1","4","6","1","10","6","1") = "9"
    & skf18("1","4","6","1","10","7","1") = "9"
    & skf18("1","4","6","1","10","8","1") = "9"
    & skf18("1","4","6","1","10","9","1") = "9"
    & skf18("1","4","6","1","10","10","1") = "9"
    & skf18("1","4","6","2","1","1","1") = "5"
    & skf18("1","4","6","2","1","2","1") = "5"
    & skf18("1","4","6","2","1","3","1") = "5"
    & skf18("1","4","6","2","1","4","1") = "5"
    & skf18("1","4","6","2","1","5","1") = "5"
    & skf18("1","4","6","2","1","6","1") = "5"
    & skf18("1","4","6","2","1","7","1") = "6"
    & skf18("1","4","6","2","1","8","1") = "7"
    & skf18("1","4","6","2","1","9","1") = "8"
    & skf18("1","4","6","2","1","10","1") = "9"
    & skf18("1","4","6","2","2","1","1") = "5"
    & skf18("1","4","6","2","2","2","1") = "5"
    & skf18("1","4","6","2","2","3","1") = "5"
    & skf18("1","4","6","2","2","4","1") = "5"
    & skf18("1","4","6","2","2","5","1") = "5"
    & skf18("1","4","6","2","2","6","1") = "5"
    & skf18("1","4","6","2","2","7","1") = "6"
    & skf18("1","4","6","2","2","8","1") = "7"
    & skf18("1","4","6","2","2","9","1") = "8"
    & skf18("1","4","6","2","2","10","1") = "9"
    & skf18("1","4","6","2","3","1","1") = "5"
    & skf18("1","4","6","2","3","2","1") = "5"
    & skf18("1","4","6","2","3","3","1") = "5"
    & skf18("1","4","6","2","3","4","1") = "5"
    & skf18("1","4","6","2","3","5","1") = "5"
    & skf18("1","4","6","2","3","6","1") = "5"
    & skf18("1","4","6","2","3","7","1") = "6"
    & skf18("1","4","6","2","3","8","1") = "7"
    & skf18("1","4","6","2","3","9","1") = "8"
    & skf18("1","4","6","2","3","10","1") = "9"
    & skf18("1","4","6","2","4","1","1") = "5"
    & skf18("1","4","6","2","4","2","1") = "5"
    & skf18("1","4","6","2","4","3","1") = "5"
    & skf18("1","4","6","2","4","4","1") = "5"
    & skf18("1","4","6","2","4","5","1") = "5"
    & skf18("1","4","6","2","4","6","1") = "5"
    & skf18("1","4","6","2","4","7","1") = "6"
    & skf18("1","4","6","2","4","8","1") = "7"
    & skf18("1","4","6","2","4","9","1") = "8"
    & skf18("1","4","6","2","4","10","1") = "9"
    & skf18("1","4","6","2","5","1","1") = "5"
    & skf18("1","4","6","2","5","2","1") = "5"
    & skf18("1","4","6","2","5","3","1") = "5"
    & skf18("1","4","6","2","5","4","1") = "5"
    & skf18("1","4","6","2","5","5","1") = "5"
    & skf18("1","4","6","2","5","6","1") = "5"
    & skf18("1","4","6","2","5","7","1") = "6"
    & skf18("1","4","6","2","5","8","1") = "7"
    & skf18("1","4","6","2","5","9","1") = "8"
    & skf18("1","4","6","2","5","10","1") = "9"
    & skf18("1","4","6","2","6","1","1") = "5"
    & skf18("1","4","6","2","6","2","1") = "5"
    & skf18("1","4","6","2","6","3","1") = "5"
    & skf18("1","4","6","2","6","4","1") = "5"
    & skf18("1","4","6","2","6","5","1") = "5"
    & skf18("1","4","6","2","6","6","1") = "5"
    & skf18("1","4","6","2","6","7","1") = "6"
    & skf18("1","4","6","2","6","8","1") = "7"
    & skf18("1","4","6","2","6","9","1") = "8"
    & skf18("1","4","6","2","6","10","1") = "9"
    & skf18("1","4","6","2","7","1","1") = "6"
    & skf18("1","4","6","2","7","2","1") = "6"
    & skf18("1","4","6","2","7","3","1") = "6"
    & skf18("1","4","6","2","7","4","1") = "6"
    & skf18("1","4","6","2","7","5","1") = "6"
    & skf18("1","4","6","2","7","6","1") = "6"
    & skf18("1","4","6","2","7","7","1") = "6"
    & skf18("1","4","6","2","7","8","1") = "7"
    & skf18("1","4","6","2","7","9","1") = "8"
    & skf18("1","4","6","2","7","10","1") = "9"
    & skf18("1","4","6","2","8","1","1") = "7"
    & skf18("1","4","6","2","8","2","1") = "7"
    & skf18("1","4","6","2","8","3","1") = "7"
    & skf18("1","4","6","2","8","4","1") = "7"
    & skf18("1","4","6","2","8","5","1") = "7"
    & skf18("1","4","6","2","8","6","1") = "7"
    & skf18("1","4","6","2","8","7","1") = "7"
    & skf18("1","4","6","2","8","8","1") = "7"
    & skf18("1","4","6","2","8","9","1") = "8"
    & skf18("1","4","6","2","8","10","1") = "9"
    & skf18("1","4","6","2","9","1","1") = "8"
    & skf18("1","4","6","2","9","2","1") = "8"
    & skf18("1","4","6","2","9","3","1") = "8"
    & skf18("1","4","6","2","9","4","1") = "8"
    & skf18("1","4","6","2","9","5","1") = "8"
    & skf18("1","4","6","2","9","6","1") = "8"
    & skf18("1","4","6","2","9","7","1") = "8"
    & skf18("1","4","6","2","9","8","1") = "8"
    & skf18("1","4","6","2","9","9","1") = "8"
    & skf18("1","4","6","2","9","10","1") = "9"
    & skf18("1","4","6","2","10","1","1") = "9"
    & skf18("1","4","6","2","10","2","1") = "9"
    & skf18("1","4","6","2","10","3","1") = "9"
    & skf18("1","4","6","2","10","4","1") = "9"
    & skf18("1","4","6","2","10","5","1") = "9"
    & skf18("1","4","6","2","10","6","1") = "9"
    & skf18("1","4","6","2","10","7","1") = "9"
    & skf18("1","4","6","2","10","8","1") = "9"
    & skf18("1","4","6","2","10","9","1") = "9"
    & skf18("1","4","6","2","10","10","1") = "9"
    & skf18("1","4","6","3","1","1","1") = "5"
    & skf18("1","4","6","3","1","2","1") = "5"
    & skf18("1","4","6","3","1","3","1") = "5"
    & skf18("1","4","6","3","1","4","1") = "5"
    & skf18("1","4","6","3","1","5","1") = "5"
    & skf18("1","4","6","3","1","6","1") = "5"
    & skf18("1","4","6","3","1","7","1") = "6"
    & skf18("1","4","6","3","1","8","1") = "7"
    & skf18("1","4","6","3","1","9","1") = "8"
    & skf18("1","4","6","3","1","10","1") = "9"
    & skf18("1","4","6","3","2","1","1") = "5"
    & skf18("1","4","6","3","2","2","1") = "5"
    & skf18("1","4","6","3","2","3","1") = "5"
    & skf18("1","4","6","3","2","4","1") = "5"
    & skf18("1","4","6","3","2","5","1") = "5"
    & skf18("1","4","6","3","2","6","1") = "5"
    & skf18("1","4","6","3","2","7","1") = "6"
    & skf18("1","4","6","3","2","8","1") = "7"
    & skf18("1","4","6","3","2","9","1") = "8"
    & skf18("1","4","6","3","2","10","1") = "9"
    & skf18("1","4","6","3","3","1","1") = "5"
    & skf18("1","4","6","3","3","2","1") = "5"
    & skf18("1","4","6","3","3","3","1") = "5"
    & skf18("1","4","6","3","3","4","1") = "5"
    & skf18("1","4","6","3","3","5","1") = "5"
    & skf18("1","4","6","3","3","6","1") = "5"
    & skf18("1","4","6","3","3","7","1") = "6"
    & skf18("1","4","6","3","3","8","1") = "7"
    & skf18("1","4","6","3","3","9","1") = "8"
    & skf18("1","4","6","3","3","10","1") = "9"
    & skf18("1","4","6","3","4","1","1") = "5"
    & skf18("1","4","6","3","4","2","1") = "5"
    & skf18("1","4","6","3","4","3","1") = "5"
    & skf18("1","4","6","3","4","4","1") = "5"
    & skf18("1","4","6","3","4","5","1") = "5"
    & skf18("1","4","6","3","4","6","1") = "5"
    & skf18("1","4","6","3","4","7","1") = "6"
    & skf18("1","4","6","3","4","8","1") = "7"
    & skf18("1","4","6","3","4","9","1") = "8"
    & skf18("1","4","6","3","4","10","1") = "9"
    & skf18("1","4","6","3","5","1","1") = "5"
    & skf18("1","4","6","3","5","2","1") = "5"
    & skf18("1","4","6","3","5","3","1") = "5"
    & skf18("1","4","6","3","5","4","1") = "5"
    & skf18("1","4","6","3","5","5","1") = "5"
    & skf18("1","4","6","3","5","6","1") = "5"
    & skf18("1","4","6","3","5","7","1") = "6"
    & skf18("1","4","6","3","5","8","1") = "7"
    & skf18("1","4","6","3","5","9","1") = "8"
    & skf18("1","4","6","3","5","10","1") = "9"
    & skf18("1","4","6","3","6","1","1") = "5"
    & skf18("1","4","6","3","6","2","1") = "5"
    & skf18("1","4","6","3","6","3","1") = "5"
    & skf18("1","4","6","3","6","4","1") = "5"
    & skf18("1","4","6","3","6","5","1") = "5"
    & skf18("1","4","6","3","6","6","1") = "5"
    & skf18("1","4","6","3","6","7","1") = "6"
    & skf18("1","4","6","3","6","8","1") = "7"
    & skf18("1","4","6","3","6","9","1") = "8"
    & skf18("1","4","6","3","6","10","1") = "9"
    & skf18("1","4","6","3","7","1","1") = "6"
    & skf18("1","4","6","3","7","2","1") = "6"
    & skf18("1","4","6","3","7","3","1") = "6"
    & skf18("1","4","6","3","7","4","1") = "6"
    & skf18("1","4","6","3","7","5","1") = "6"
    & skf18("1","4","6","3","7","6","1") = "6"
    & skf18("1","4","6","3","7","7","1") = "6"
    & skf18("1","4","6","3","7","8","1") = "7"
    & skf18("1","4","6","3","7","9","1") = "8"
    & skf18("1","4","6","3","7","10","1") = "9"
    & skf18("1","4","6","3","8","1","1") = "7"
    & skf18("1","4","6","3","8","2","1") = "7"
    & skf18("1","4","6","3","8","3","1") = "7"
    & skf18("1","4","6","3","8","4","1") = "7"
    & skf18("1","4","6","3","8","5","1") = "7"
    & skf18("1","4","6","3","8","6","1") = "7"
    & skf18("1","4","6","3","8","7","1") = "7"
    & skf18("1","4","6","3","8","8","1") = "7"
    & skf18("1","4","6","3","8","9","1") = "8"
    & skf18("1","4","6","3","8","10","1") = "9"
    & skf18("1","4","6","3","9","1","1") = "8"
    & skf18("1","4","6","3","9","2","1") = "8"
    & skf18("1","4","6","3","9","3","1") = "8"
    & skf18("1","4","6","3","9","4","1") = "8"
    & skf18("1","4","6","3","9","5","1") = "8"
    & skf18("1","4","6","3","9","6","1") = "8"
    & skf18("1","4","6","3","9","7","1") = "8"
    & skf18("1","4","6","3","9","8","1") = "8"
    & skf18("1","4","6","3","9","9","1") = "8"
    & skf18("1","4","6","3","9","10","1") = "9"
    & skf18("1","4","6","3","10","1","1") = "9"
    & skf18("1","4","6","3","10","2","1") = "9"
    & skf18("1","4","6","3","10","3","1") = "9"
    & skf18("1","4","6","3","10","4","1") = "9"
    & skf18("1","4","6","3","10","5","1") = "9"
    & skf18("1","4","6","3","10","6","1") = "9"
    & skf18("1","4","6","3","10","7","1") = "9"
    & skf18("1","4","6","3","10","8","1") = "9"
    & skf18("1","4","6","3","10","9","1") = "9"
    & skf18("1","4","6","3","10","10","1") = "9"
    & skf18("1","4","6","4","1","1","1") = "5"
    & skf18("1","4","6","4","1","2","1") = "5"
    & skf18("1","4","6","4","1","3","1") = "5"
    & skf18("1","4","6","4","1","4","1") = "5"
    & skf18("1","4","6","4","1","5","1") = "5"
    & skf18("1","4","6","4","1","6","1") = "5"
    & skf18("1","4","6","4","1","7","1") = "6"
    & skf18("1","4","6","4","1","8","1") = "7"
    & skf18("1","4","6","4","1","9","1") = "8"
    & skf18("1","4","6","4","1","10","1") = "9"
    & skf18("1","4","6","4","2","1","1") = "5"
    & skf18("1","4","6","4","2","2","1") = "5"
    & skf18("1","4","6","4","2","3","1") = "5"
    & skf18("1","4","6","4","2","4","1") = "5"
    & skf18("1","4","6","4","2","5","1") = "5"
    & skf18("1","4","6","4","2","6","1") = "5"
    & skf18("1","4","6","4","2","7","1") = "6"
    & skf18("1","4","6","4","2","8","1") = "7"
    & skf18("1","4","6","4","2","9","1") = "8"
    & skf18("1","4","6","4","2","10","1") = "9"
    & skf18("1","4","6","4","3","1","1") = "5"
    & skf18("1","4","6","4","3","2","1") = "5"
    & skf18("1","4","6","4","3","3","1") = "5"
    & skf18("1","4","6","4","3","4","1") = "5"
    & skf18("1","4","6","4","3","5","1") = "5"
    & skf18("1","4","6","4","3","6","1") = "5"
    & skf18("1","4","6","4","3","7","1") = "6"
    & skf18("1","4","6","4","3","8","1") = "7"
    & skf18("1","4","6","4","3","9","1") = "8"
    & skf18("1","4","6","4","3","10","1") = "9"
    & skf18("1","4","6","4","4","1","1") = "5"
    & skf18("1","4","6","4","4","2","1") = "5"
    & skf18("1","4","6","4","4","3","1") = "5"
    & skf18("1","4","6","4","4","4","1") = "5"
    & skf18("1","4","6","4","4","5","1") = "5"
    & skf18("1","4","6","4","4","6","1") = "5"
    & skf18("1","4","6","4","4","7","1") = "6"
    & skf18("1","4","6","4","4","8","1") = "7"
    & skf18("1","4","6","4","4","9","1") = "8"
    & skf18("1","4","6","4","4","10","1") = "9"
    & skf18("1","4","6","4","5","1","1") = "5"
    & skf18("1","4","6","4","5","2","1") = "5"
    & skf18("1","4","6","4","5","3","1") = "5"
    & skf18("1","4","6","4","5","4","1") = "5"
    & skf18("1","4","6","4","5","5","1") = "5"
    & skf18("1","4","6","4","5","6","1") = "5"
    & skf18("1","4","6","4","5","7","1") = "6"
    & skf18("1","4","6","4","5","8","1") = "7"
    & skf18("1","4","6","4","5","9","1") = "8"
    & skf18("1","4","6","4","5","10","1") = "9"
    & skf18("1","4","6","4","6","1","1") = "5"
    & skf18("1","4","6","4","6","2","1") = "5"
    & skf18("1","4","6","4","6","3","1") = "5"
    & skf18("1","4","6","4","6","4","1") = "5"
    & skf18("1","4","6","4","6","5","1") = "5"
    & skf18("1","4","6","4","6","6","1") = "5"
    & skf18("1","4","6","4","6","7","1") = "6"
    & skf18("1","4","6","4","6","8","1") = "7"
    & skf18("1","4","6","4","6","9","1") = "8"
    & skf18("1","4","6","4","6","10","1") = "9"
    & skf18("1","4","6","4","7","1","1") = "6"
    & skf18("1","4","6","4","7","2","1") = "6"
    & skf18("1","4","6","4","7","3","1") = "6"
    & skf18("1","4","6","4","7","4","1") = "6"
    & skf18("1","4","6","4","7","5","1") = "6"
    & skf18("1","4","6","4","7","6","1") = "6"
    & skf18("1","4","6","4","7","7","1") = "6"
    & skf18("1","4","6","4","7","8","1") = "7"
    & skf18("1","4","6","4","7","9","1") = "8"
    & skf18("1","4","6","4","7","10","1") = "9"
    & skf18("1","4","6","4","8","1","1") = "7"
    & skf18("1","4","6","4","8","2","1") = "7"
    & skf18("1","4","6","4","8","3","1") = "7"
    & skf18("1","4","6","4","8","4","1") = "7"
    & skf18("1","4","6","4","8","5","1") = "7"
    & skf18("1","4","6","4","8","6","1") = "7"
    & skf18("1","4","6","4","8","7","1") = "7"
    & skf18("1","4","6","4","8","8","1") = "7"
    & skf18("1","4","6","4","8","9","1") = "8"
    & skf18("1","4","6","4","8","10","1") = "9"
    & skf18("1","4","6","4","9","1","1") = "8"
    & skf18("1","4","6","4","9","2","1") = "8"
    & skf18("1","4","6","4","9","3","1") = "8"
    & skf18("1","4","6","4","9","4","1") = "8"
    & skf18("1","4","6","4","9","5","1") = "8"
    & skf18("1","4","6","4","9","6","1") = "8"
    & skf18("1","4","6","4","9","7","1") = "8"
    & skf18("1","4","6","4","9","8","1") = "8"
    & skf18("1","4","6","4","9","9","1") = "8"
    & skf18("1","4","6","4","9","10","1") = "9"
    & skf18("1","4","6","4","10","1","1") = "9"
    & skf18("1","4","6","4","10","2","1") = "9"
    & skf18("1","4","6","4","10","3","1") = "9"
    & skf18("1","4","6","4","10","4","1") = "9"
    & skf18("1","4","6","4","10","5","1") = "9"
    & skf18("1","4","6","4","10","6","1") = "9"
    & skf18("1","4","6","4","10","7","1") = "9"
    & skf18("1","4","6","4","10","8","1") = "9"
    & skf18("1","4","6","4","10","9","1") = "9"
    & skf18("1","4","6","4","10","10","1") = "9"
    & skf18("1","4","6","5","1","1","1") = "5"
    & skf18("1","4","6","5","1","2","1") = "5"
    & skf18("1","4","6","5","1","3","1") = "5"
    & skf18("1","4","6","5","1","4","1") = "5"
    & skf18("1","4","6","5","1","5","1") = "5"
    & skf18("1","4","6","5","1","6","1") = "5"
    & skf18("1","4","6","5","1","7","1") = "6"
    & skf18("1","4","6","5","1","8","1") = "7"
    & skf18("1","4","6","5","1","9","1") = "8"
    & skf18("1","4","6","5","1","10","1") = "9"
    & skf18("1","4","6","5","2","1","1") = "5"
    & skf18("1","4","6","5","2","2","1") = "5"
    & skf18("1","4","6","5","2","3","1") = "5"
    & skf18("1","4","6","5","2","4","1") = "5"
    & skf18("1","4","6","5","2","5","1") = "5"
    & skf18("1","4","6","5","2","6","1") = "5"
    & skf18("1","4","6","5","2","7","1") = "6"
    & skf18("1","4","6","5","2","8","1") = "7"
    & skf18("1","4","6","5","2","9","1") = "8"
    & skf18("1","4","6","5","2","10","1") = "9"
    & skf18("1","4","6","5","3","1","1") = "5"
    & skf18("1","4","6","5","3","2","1") = "5"
    & skf18("1","4","6","5","3","3","1") = "5"
    & skf18("1","4","6","5","3","4","1") = "5"
    & skf18("1","4","6","5","3","5","1") = "5"
    & skf18("1","4","6","5","3","6","1") = "5"
    & skf18("1","4","6","5","3","7","1") = "6"
    & skf18("1","4","6","5","3","8","1") = "7"
    & skf18("1","4","6","5","3","9","1") = "8"
    & skf18("1","4","6","5","3","10","1") = "9"
    & skf18("1","4","6","5","4","1","1") = "5"
    & skf18("1","4","6","5","4","2","1") = "5"
    & skf18("1","4","6","5","4","3","1") = "5"
    & skf18("1","4","6","5","4","4","1") = "5"
    & skf18("1","4","6","5","4","5","1") = "5"
    & skf18("1","4","6","5","4","6","1") = "5"
    & skf18("1","4","6","5","4","7","1") = "6"
    & skf18("1","4","6","5","4","8","1") = "7"
    & skf18("1","4","6","5","4","9","1") = "8"
    & skf18("1","4","6","5","4","10","1") = "9"
    & skf18("1","4","6","5","5","1","1") = "5"
    & skf18("1","4","6","5","5","2","1") = "5"
    & skf18("1","4","6","5","5","3","1") = "5"
    & skf18("1","4","6","5","5","4","1") = "5"
    & skf18("1","4","6","5","5","5","1") = "5"
    & skf18("1","4","6","5","5","6","1") = "5"
    & skf18("1","4","6","5","5","7","1") = "6"
    & skf18("1","4","6","5","5","8","1") = "7"
    & skf18("1","4","6","5","5","9","1") = "8"
    & skf18("1","4","6","5","5","10","1") = "9"
    & skf18("1","4","6","5","6","1","1") = "5"
    & skf18("1","4","6","5","6","2","1") = "5"
    & skf18("1","4","6","5","6","3","1") = "5"
    & skf18("1","4","6","5","6","4","1") = "5"
    & skf18("1","4","6","5","6","5","1") = "5"
    & skf18("1","4","6","5","6","6","1") = "5"
    & skf18("1","4","6","5","6","7","1") = "6"
    & skf18("1","4","6","5","6","8","1") = "7"
    & skf18("1","4","6","5","6","9","1") = "8"
    & skf18("1","4","6","5","6","10","1") = "9"
    & skf18("1","4","6","5","7","1","1") = "6"
    & skf18("1","4","6","5","7","2","1") = "6"
    & skf18("1","4","6","5","7","3","1") = "6"
    & skf18("1","4","6","5","7","4","1") = "6"
    & skf18("1","4","6","5","7","5","1") = "6"
    & skf18("1","4","6","5","7","6","1") = "6"
    & skf18("1","4","6","5","7","7","1") = "6"
    & skf18("1","4","6","5","7","8","1") = "7"
    & skf18("1","4","6","5","7","9","1") = "8"
    & skf18("1","4","6","5","7","10","1") = "9"
    & skf18("1","4","6","5","8","1","1") = "7"
    & skf18("1","4","6","5","8","2","1") = "7"
    & skf18("1","4","6","5","8","3","1") = "7"
    & skf18("1","4","6","5","8","4","1") = "7"
    & skf18("1","4","6","5","8","5","1") = "7"
    & skf18("1","4","6","5","8","6","1") = "7"
    & skf18("1","4","6","5","8","7","1") = "7"
    & skf18("1","4","6","5","8","8","1") = "7"
    & skf18("1","4","6","5","8","9","1") = "8"
    & skf18("1","4","6","5","8","10","1") = "9"
    & skf18("1","4","6","5","9","1","1") = "8"
    & skf18("1","4","6","5","9","2","1") = "8"
    & skf18("1","4","6","5","9","3","1") = "8"
    & skf18("1","4","6","5","9","4","1") = "8"
    & skf18("1","4","6","5","9","5","1") = "8"
    & skf18("1","4","6","5","9","6","1") = "8"
    & skf18("1","4","6","5","9","7","1") = "8"
    & skf18("1","4","6","5","9","8","1") = "8"
    & skf18("1","4","6","5","9","9","1") = "8"
    & skf18("1","4","6","5","9","10","1") = "9"
    & skf18("1","4","6","5","10","1","1") = "9"
    & skf18("1","4","6","5","10","2","1") = "9"
    & skf18("1","4","6","5","10","3","1") = "9"
    & skf18("1","4","6","5","10","4","1") = "9"
    & skf18("1","4","6","5","10","5","1") = "9"
    & skf18("1","4","6","5","10","6","1") = "9"
    & skf18("1","4","6","5","10","7","1") = "9"
    & skf18("1","4","6","5","10","8","1") = "9"
    & skf18("1","4","6","5","10","9","1") = "9"
    & skf18("1","4","6","5","10","10","1") = "9"
    & skf18("1","4","6","6","1","1","1") = "5"
    & skf18("1","4","6","6","1","2","1") = "5"
    & skf18("1","4","6","6","1","3","1") = "5"
    & skf18("1","4","6","6","1","4","1") = "5"
    & skf18("1","4","6","6","1","5","1") = "5"
    & skf18("1","4","6","6","1","6","1") = "5"
    & skf18("1","4","6","6","1","7","1") = "6"
    & skf18("1","4","6","6","1","8","1") = "7"
    & skf18("1","4","6","6","1","9","1") = "8"
    & skf18("1","4","6","6","1","10","1") = "9"
    & skf18("1","4","6","6","2","1","1") = "5"
    & skf18("1","4","6","6","2","2","1") = "5"
    & skf18("1","4","6","6","2","3","1") = "5"
    & skf18("1","4","6","6","2","4","1") = "5"
    & skf18("1","4","6","6","2","5","1") = "5"
    & skf18("1","4","6","6","2","6","1") = "5"
    & skf18("1","4","6","6","2","7","1") = "6"
    & skf18("1","4","6","6","2","8","1") = "7"
    & skf18("1","4","6","6","2","9","1") = "8"
    & skf18("1","4","6","6","2","10","1") = "9"
    & skf18("1","4","6","6","3","1","1") = "5"
    & skf18("1","4","6","6","3","2","1") = "5"
    & skf18("1","4","6","6","3","3","1") = "5"
    & skf18("1","4","6","6","3","4","1") = "5"
    & skf18("1","4","6","6","3","5","1") = "5"
    & skf18("1","4","6","6","3","6","1") = "5"
    & skf18("1","4","6","6","3","7","1") = "6"
    & skf18("1","4","6","6","3","8","1") = "7"
    & skf18("1","4","6","6","3","9","1") = "8"
    & skf18("1","4","6","6","3","10","1") = "9"
    & skf18("1","4","6","6","4","1","1") = "5"
    & skf18("1","4","6","6","4","2","1") = "5"
    & skf18("1","4","6","6","4","3","1") = "5"
    & skf18("1","4","6","6","4","4","1") = "5"
    & skf18("1","4","6","6","4","5","1") = "5"
    & skf18("1","4","6","6","4","6","1") = "5"
    & skf18("1","4","6","6","4","7","1") = "6"
    & skf18("1","4","6","6","4","8","1") = "7"
    & skf18("1","4","6","6","4","9","1") = "8"
    & skf18("1","4","6","6","4","10","1") = "9"
    & skf18("1","4","6","6","5","1","1") = "5"
    & skf18("1","4","6","6","5","2","1") = "5"
    & skf18("1","4","6","6","5","3","1") = "5"
    & skf18("1","4","6","6","5","4","1") = "5"
    & skf18("1","4","6","6","5","5","1") = "5"
    & skf18("1","4","6","6","5","6","1") = "5"
    & skf18("1","4","6","6","5","7","1") = "6"
    & skf18("1","4","6","6","5","8","1") = "7"
    & skf18("1","4","6","6","5","9","1") = "8"
    & skf18("1","4","6","6","5","10","1") = "9"
    & skf18("1","4","6","6","6","1","1") = "5"
    & skf18("1","4","6","6","6","2","1") = "5"
    & skf18("1","4","6","6","6","3","1") = "5"
    & skf18("1","4","6","6","6","4","1") = "5"
    & skf18("1","4","6","6","6","5","1") = "5"
    & skf18("1","4","6","6","6","6","1") = "5"
    & skf18("1","4","6","6","6","7","1") = "6"
    & skf18("1","4","6","6","6","8","1") = "7"
    & skf18("1","4","6","6","6","9","1") = "8"
    & skf18("1","4","6","6","6","10","1") = "9"
    & skf18("1","4","6","6","7","1","1") = "6"
    & skf18("1","4","6","6","7","2","1") = "6"
    & skf18("1","4","6","6","7","3","1") = "6"
    & skf18("1","4","6","6","7","4","1") = "6"
    & skf18("1","4","6","6","7","5","1") = "6"
    & skf18("1","4","6","6","7","6","1") = "6"
    & skf18("1","4","6","6","7","7","1") = "6"
    & skf18("1","4","6","6","7","8","1") = "7"
    & skf18("1","4","6","6","7","9","1") = "8"
    & skf18("1","4","6","6","7","10","1") = "9"
    & skf18("1","4","6","6","8","1","1") = "7"
    & skf18("1","4","6","6","8","2","1") = "7"
    & skf18("1","4","6","6","8","3","1") = "7"
    & skf18("1","4","6","6","8","4","1") = "7"
    & skf18("1","4","6","6","8","5","1") = "7"
    & skf18("1","4","6","6","8","6","1") = "7"
    & skf18("1","4","6","6","8","7","1") = "7"
    & skf18("1","4","6","6","8","8","1") = "7"
    & skf18("1","4","6","6","8","9","1") = "8"
    & skf18("1","4","6","6","8","10","1") = "9"
    & skf18("1","4","6","6","9","1","1") = "8"
    & skf18("1","4","6","6","9","2","1") = "8"
    & skf18("1","4","6","6","9","3","1") = "8"
    & skf18("1","4","6","6","9","4","1") = "8"
    & skf18("1","4","6","6","9","5","1") = "8"
    & skf18("1","4","6","6","9","6","1") = "8"
    & skf18("1","4","6","6","9","7","1") = "8"
    & skf18("1","4","6","6","9","8","1") = "8"
    & skf18("1","4","6","6","9","9","1") = "8"
    & skf18("1","4","6","6","9","10","1") = "9"
    & skf18("1","4","6","6","10","1","1") = "9"
    & skf18("1","4","6","6","10","2","1") = "9"
    & skf18("1","4","6","6","10","3","1") = "9"
    & skf18("1","4","6","6","10","4","1") = "9"
    & skf18("1","4","6","6","10","5","1") = "9"
    & skf18("1","4","6","6","10","6","1") = "9"
    & skf18("1","4","6","6","10","7","1") = "9"
    & skf18("1","4","6","6","10","8","1") = "9"
    & skf18("1","4","6","6","10","9","1") = "9"
    & skf18("1","4","6","6","10","10","1") = "9"
    & skf18("1","4","6","7","1","1","1") = "6"
    & skf18("1","4","6","7","1","2","1") = "6"
    & skf18("1","4","6","7","1","3","1") = "6"
    & skf18("1","4","6","7","1","4","1") = "6"
    & skf18("1","4","6","7","1","5","1") = "6"
    & skf18("1","4","6","7","1","6","1") = "6"
    & skf18("1","4","6","7","1","7","1") = "6"
    & skf18("1","4","6","7","1","8","1") = "7"
    & skf18("1","4","6","7","1","9","1") = "8"
    & skf18("1","4","6","7","1","10","1") = "9"
    & skf18("1","4","6","7","2","1","1") = "6"
    & skf18("1","4","6","7","2","2","1") = "6"
    & skf18("1","4","6","7","2","3","1") = "6"
    & skf18("1","4","6","7","2","4","1") = "6"
    & skf18("1","4","6","7","2","5","1") = "6"
    & skf18("1","4","6","7","2","6","1") = "6"
    & skf18("1","4","6","7","2","7","1") = "6"
    & skf18("1","4","6","7","2","8","1") = "7"
    & skf18("1","4","6","7","2","9","1") = "8"
    & skf18("1","4","6","7","2","10","1") = "9"
    & skf18("1","4","6","7","3","1","1") = "6"
    & skf18("1","4","6","7","3","2","1") = "6"
    & skf18("1","4","6","7","3","3","1") = "6"
    & skf18("1","4","6","7","3","4","1") = "6"
    & skf18("1","4","6","7","3","5","1") = "6"
    & skf18("1","4","6","7","3","6","1") = "6"
    & skf18("1","4","6","7","3","7","1") = "6"
    & skf18("1","4","6","7","3","8","1") = "7"
    & skf18("1","4","6","7","3","9","1") = "8"
    & skf18("1","4","6","7","3","10","1") = "9"
    & skf18("1","4","6","7","4","1","1") = "6"
    & skf18("1","4","6","7","4","2","1") = "6"
    & skf18("1","4","6","7","4","3","1") = "6"
    & skf18("1","4","6","7","4","4","1") = "6"
    & skf18("1","4","6","7","4","5","1") = "6"
    & skf18("1","4","6","7","4","6","1") = "6"
    & skf18("1","4","6","7","4","7","1") = "6"
    & skf18("1","4","6","7","4","8","1") = "7"
    & skf18("1","4","6","7","4","9","1") = "8"
    & skf18("1","4","6","7","4","10","1") = "9"
    & skf18("1","4","6","7","5","1","1") = "6"
    & skf18("1","4","6","7","5","2","1") = "6"
    & skf18("1","4","6","7","5","3","1") = "6"
    & skf18("1","4","6","7","5","4","1") = "6"
    & skf18("1","4","6","7","5","5","1") = "6"
    & skf18("1","4","6","7","5","6","1") = "6"
    & skf18("1","4","6","7","5","7","1") = "6"
    & skf18("1","4","6","7","5","8","1") = "7"
    & skf18("1","4","6","7","5","9","1") = "8"
    & skf18("1","4","6","7","5","10","1") = "9"
    & skf18("1","4","6","7","6","1","1") = "6"
    & skf18("1","4","6","7","6","2","1") = "6"
    & skf18("1","4","6","7","6","3","1") = "6"
    & skf18("1","4","6","7","6","4","1") = "6"
    & skf18("1","4","6","7","6","5","1") = "6"
    & skf18("1","4","6","7","6","6","1") = "6"
    & skf18("1","4","6","7","6","7","1") = "6"
    & skf18("1","4","6","7","6","8","1") = "7"
    & skf18("1","4","6","7","6","9","1") = "8"
    & skf18("1","4","6","7","6","10","1") = "9"
    & skf18("1","4","6","7","7","1","1") = "6"
    & skf18("1","4","6","7","7","2","1") = "6"
    & skf18("1","4","6","7","7","3","1") = "6"
    & skf18("1","4","6","7","7","4","1") = "6"
    & skf18("1","4","6","7","7","5","1") = "6"
    & skf18("1","4","6","7","7","6","1") = "6"
    & skf18("1","4","6","7","7","7","1") = "6"
    & skf18("1","4","6","7","7","8","1") = "7"
    & skf18("1","4","6","7","7","9","1") = "8"
    & skf18("1","4","6","7","7","10","1") = "9"
    & skf18("1","4","6","7","8","1","1") = "7"
    & skf18("1","4","6","7","8","2","1") = "7"
    & skf18("1","4","6","7","8","3","1") = "7"
    & skf18("1","4","6","7","8","4","1") = "7"
    & skf18("1","4","6","7","8","5","1") = "7"
    & skf18("1","4","6","7","8","6","1") = "7"
    & skf18("1","4","6","7","8","7","1") = "7"
    & skf18("1","4","6","7","8","8","1") = "7"
    & skf18("1","4","6","7","8","9","1") = "8"
    & skf18("1","4","6","7","8","10","1") = "9"
    & skf18("1","4","6","7","9","1","1") = "8"
    & skf18("1","4","6","7","9","2","1") = "8"
    & skf18("1","4","6","7","9","3","1") = "8"
    & skf18("1","4","6","7","9","4","1") = "8"
    & skf18("1","4","6","7","9","5","1") = "8"
    & skf18("1","4","6","7","9","6","1") = "8"
    & skf18("1","4","6","7","9","7","1") = "8"
    & skf18("1","4","6","7","9","8","1") = "8"
    & skf18("1","4","6","7","9","9","1") = "8"
    & skf18("1","4","6","7","9","10","1") = "9"
    & skf18("1","4","6","7","10","1","1") = "9"
    & skf18("1","4","6","7","10","2","1") = "9"
    & skf18("1","4","6","7","10","3","1") = "9"
    & skf18("1","4","6","7","10","4","1") = "9"
    & skf18("1","4","6","7","10","5","1") = "9"
    & skf18("1","4","6","7","10","6","1") = "9"
    & skf18("1","4","6","7","10","7","1") = "9"
    & skf18("1","4","6","7","10","8","1") = "9"
    & skf18("1","4","6","7","10","9","1") = "9"
    & skf18("1","4","6","7","10","10","1") = "9"
    & skf18("1","4","6","8","1","1","1") = "7"
    & skf18("1","4","6","8","1","2","1") = "7"
    & skf18("1","4","6","8","1","3","1") = "7"
    & skf18("1","4","6","8","1","4","1") = "7"
    & skf18("1","4","6","8","1","5","1") = "7"
    & skf18("1","4","6","8","1","6","1") = "7"
    & skf18("1","4","6","8","1","7","1") = "7"
    & skf18("1","4","6","8","1","8","1") = "7"
    & skf18("1","4","6","8","1","9","1") = "8"
    & skf18("1","4","6","8","1","10","1") = "9"
    & skf18("1","4","6","8","2","1","1") = "7"
    & skf18("1","4","6","8","2","2","1") = "7"
    & skf18("1","4","6","8","2","3","1") = "7"
    & skf18("1","4","6","8","2","4","1") = "7"
    & skf18("1","4","6","8","2","5","1") = "7"
    & skf18("1","4","6","8","2","6","1") = "7"
    & skf18("1","4","6","8","2","7","1") = "7"
    & skf18("1","4","6","8","2","8","1") = "7"
    & skf18("1","4","6","8","2","9","1") = "8"
    & skf18("1","4","6","8","2","10","1") = "9"
    & skf18("1","4","6","8","3","1","1") = "7"
    & skf18("1","4","6","8","3","2","1") = "7"
    & skf18("1","4","6","8","3","3","1") = "7"
    & skf18("1","4","6","8","3","4","1") = "7"
    & skf18("1","4","6","8","3","5","1") = "7"
    & skf18("1","4","6","8","3","6","1") = "7"
    & skf18("1","4","6","8","3","7","1") = "7"
    & skf18("1","4","6","8","3","8","1") = "7"
    & skf18("1","4","6","8","3","9","1") = "8"
    & skf18("1","4","6","8","3","10","1") = "9"
    & skf18("1","4","6","8","4","1","1") = "7"
    & skf18("1","4","6","8","4","2","1") = "7"
    & skf18("1","4","6","8","4","3","1") = "7"
    & skf18("1","4","6","8","4","4","1") = "7"
    & skf18("1","4","6","8","4","5","1") = "7"
    & skf18("1","4","6","8","4","6","1") = "7"
    & skf18("1","4","6","8","4","7","1") = "7"
    & skf18("1","4","6","8","4","8","1") = "7"
    & skf18("1","4","6","8","4","9","1") = "8"
    & skf18("1","4","6","8","4","10","1") = "9"
    & skf18("1","4","6","8","5","1","1") = "7"
    & skf18("1","4","6","8","5","2","1") = "7"
    & skf18("1","4","6","8","5","3","1") = "7"
    & skf18("1","4","6","8","5","4","1") = "7"
    & skf18("1","4","6","8","5","5","1") = "7"
    & skf18("1","4","6","8","5","6","1") = "7"
    & skf18("1","4","6","8","5","7","1") = "7"
    & skf18("1","4","6","8","5","8","1") = "7"
    & skf18("1","4","6","8","5","9","1") = "8"
    & skf18("1","4","6","8","5","10","1") = "9"
    & skf18("1","4","6","8","6","1","1") = "7"
    & skf18("1","4","6","8","6","2","1") = "7"
    & skf18("1","4","6","8","6","3","1") = "7"
    & skf18("1","4","6","8","6","4","1") = "7"
    & skf18("1","4","6","8","6","5","1") = "7"
    & skf18("1","4","6","8","6","6","1") = "7"
    & skf18("1","4","6","8","6","7","1") = "7"
    & skf18("1","4","6","8","6","8","1") = "7"
    & skf18("1","4","6","8","6","9","1") = "8"
    & skf18("1","4","6","8","6","10","1") = "9"
    & skf18("1","4","6","8","7","1","1") = "7"
    & skf18("1","4","6","8","7","2","1") = "7"
    & skf18("1","4","6","8","7","3","1") = "7"
    & skf18("1","4","6","8","7","4","1") = "7"
    & skf18("1","4","6","8","7","5","1") = "7"
    & skf18("1","4","6","8","7","6","1") = "7"
    & skf18("1","4","6","8","7","7","1") = "7"
    & skf18("1","4","6","8","7","8","1") = "7"
    & skf18("1","4","6","8","7","9","1") = "8"
    & skf18("1","4","6","8","7","10","1") = "9"
    & skf18("1","4","6","8","8","1","1") = "7"
    & skf18("1","4","6","8","8","2","1") = "7"
    & skf18("1","4","6","8","8","3","1") = "7"
    & skf18("1","4","6","8","8","4","1") = "7"
    & skf18("1","4","6","8","8","5","1") = "7"
    & skf18("1","4","6","8","8","6","1") = "7"
    & skf18("1","4","6","8","8","7","1") = "7"
    & skf18("1","4","6","8","8","8","1") = "7"
    & skf18("1","4","6","8","8","9","1") = "8"
    & skf18("1","4","6","8","8","10","1") = "9"
    & skf18("1","4","6","8","9","1","1") = "8"
    & skf18("1","4","6","8","9","2","1") = "8"
    & skf18("1","4","6","8","9","3","1") = "8"
    & skf18("1","4","6","8","9","4","1") = "8"
    & skf18("1","4","6","8","9","5","1") = "8"
    & skf18("1","4","6","8","9","6","1") = "8"
    & skf18("1","4","6","8","9","7","1") = "8"
    & skf18("1","4","6","8","9","8","1") = "8"
    & skf18("1","4","6","8","9","9","1") = "8"
    & skf18("1","4","6","8","9","10","1") = "9"
    & skf18("1","4","6","8","10","1","1") = "9"
    & skf18("1","4","6","8","10","2","1") = "9"
    & skf18("1","4","6","8","10","3","1") = "9"
    & skf18("1","4","6","8","10","4","1") = "9"
    & skf18("1","4","6","8","10","5","1") = "9"
    & skf18("1","4","6","8","10","6","1") = "9"
    & skf18("1","4","6","8","10","7","1") = "9"
    & skf18("1","4","6","8","10","8","1") = "9"
    & skf18("1","4","6","8","10","9","1") = "9"
    & skf18("1","4","6","8","10","10","1") = "9"
    & skf18("1","4","6","9","1","1","1") = "8"
    & skf18("1","4","6","9","1","2","1") = "8"
    & skf18("1","4","6","9","1","3","1") = "8"
    & skf18("1","4","6","9","1","4","1") = "8"
    & skf18("1","4","6","9","1","5","1") = "8"
    & skf18("1","4","6","9","1","6","1") = "8"
    & skf18("1","4","6","9","1","7","1") = "8"
    & skf18("1","4","6","9","1","8","1") = "8"
    & skf18("1","4","6","9","1","9","1") = "8"
    & skf18("1","4","6","9","1","10","1") = "9"
    & skf18("1","4","6","9","2","1","1") = "8"
    & skf18("1","4","6","9","2","2","1") = "8"
    & skf18("1","4","6","9","2","3","1") = "8"
    & skf18("1","4","6","9","2","4","1") = "8"
    & skf18("1","4","6","9","2","5","1") = "8"
    & skf18("1","4","6","9","2","6","1") = "8"
    & skf18("1","4","6","9","2","7","1") = "8"
    & skf18("1","4","6","9","2","8","1") = "8"
    & skf18("1","4","6","9","2","9","1") = "8"
    & skf18("1","4","6","9","2","10","1") = "9"
    & skf18("1","4","6","9","3","1","1") = "8"
    & skf18("1","4","6","9","3","2","1") = "8"
    & skf18("1","4","6","9","3","3","1") = "8"
    & skf18("1","4","6","9","3","4","1") = "8"
    & skf18("1","4","6","9","3","5","1") = "8"
    & skf18("1","4","6","9","3","6","1") = "8"
    & skf18("1","4","6","9","3","7","1") = "8"
    & skf18("1","4","6","9","3","8","1") = "8"
    & skf18("1","4","6","9","3","9","1") = "8"
    & skf18("1","4","6","9","3","10","1") = "9"
    & skf18("1","4","6","9","4","1","1") = "8"
    & skf18("1","4","6","9","4","2","1") = "8"
    & skf18("1","4","6","9","4","3","1") = "8"
    & skf18("1","4","6","9","4","4","1") = "8"
    & skf18("1","4","6","9","4","5","1") = "8"
    & skf18("1","4","6","9","4","6","1") = "8"
    & skf18("1","4","6","9","4","7","1") = "8"
    & skf18("1","4","6","9","4","8","1") = "8"
    & skf18("1","4","6","9","4","9","1") = "8"
    & skf18("1","4","6","9","4","10","1") = "9"
    & skf18("1","4","6","9","5","1","1") = "8"
    & skf18("1","4","6","9","5","2","1") = "8"
    & skf18("1","4","6","9","5","3","1") = "8"
    & skf18("1","4","6","9","5","4","1") = "8"
    & skf18("1","4","6","9","5","5","1") = "8"
    & skf18("1","4","6","9","5","6","1") = "8"
    & skf18("1","4","6","9","5","7","1") = "8"
    & skf18("1","4","6","9","5","8","1") = "8"
    & skf18("1","4","6","9","5","9","1") = "8"
    & skf18("1","4","6","9","5","10","1") = "9"
    & skf18("1","4","6","9","6","1","1") = "8"
    & skf18("1","4","6","9","6","2","1") = "8"
    & skf18("1","4","6","9","6","3","1") = "8"
    & skf18("1","4","6","9","6","4","1") = "8"
    & skf18("1","4","6","9","6","5","1") = "8"
    & skf18("1","4","6","9","6","6","1") = "8"
    & skf18("1","4","6","9","6","7","1") = "8"
    & skf18("1","4","6","9","6","8","1") = "8"
    & skf18("1","4","6","9","6","9","1") = "8"
    & skf18("1","4","6","9","6","10","1") = "9"
    & skf18("1","4","6","9","7","1","1") = "8"
    & skf18("1","4","6","9","7","2","1") = "8"
    & skf18("1","4","6","9","7","3","1") = "8"
    & skf18("1","4","6","9","7","4","1") = "8"
    & skf18("1","4","6","9","7","5","1") = "8"
    & skf18("1","4","6","9","7","6","1") = "8"
    & skf18("1","4","6","9","7","7","1") = "8"
    & skf18("1","4","6","9","7","8","1") = "8"
    & skf18("1","4","6","9","7","9","1") = "8"
    & skf18("1","4","6","9","7","10","1") = "9"
    & skf18("1","4","6","9","8","1","1") = "8"
    & skf18("1","4","6","9","8","2","1") = "8"
    & skf18("1","4","6","9","8","3","1") = "8"
    & skf18("1","4","6","9","8","4","1") = "8"
    & skf18("1","4","6","9","8","5","1") = "8"
    & skf18("1","4","6","9","8","6","1") = "8"
    & skf18("1","4","6","9","8","7","1") = "8"
    & skf18("1","4","6","9","8","8","1") = "8"
    & skf18("1","4","6","9","8","9","1") = "8"
    & skf18("1","4","6","9","8","10","1") = "9"
    & skf18("1","4","6","9","9","1","1") = "8"
    & skf18("1","4","6","9","9","2","1") = "8"
    & skf18("1","4","6","9","9","3","1") = "8"
    & skf18("1","4","6","9","9","4","1") = "8"
    & skf18("1","4","6","9","9","5","1") = "8"
    & skf18("1","4","6","9","9","6","1") = "8"
    & skf18("1","4","6","9","9","7","1") = "8"
    & skf18("1","4","6","9","9","8","1") = "8"
    & skf18("1","4","6","9","9","9","1") = "8"
    & skf18("1","4","6","9","9","10","1") = "9"
    & skf18("1","4","6","9","10","1","1") = "9"
    & skf18("1","4","6","9","10","2","1") = "9"
    & skf18("1","4","6","9","10","3","1") = "9"
    & skf18("1","4","6","9","10","4","1") = "9"
    & skf18("1","4","6","9","10","5","1") = "9"
    & skf18("1","4","6","9","10","6","1") = "9"
    & skf18("1","4","6","9","10","7","1") = "9"
    & skf18("1","4","6","9","10","8","1") = "9"
    & skf18("1","4","6","9","10","9","1") = "9"
    & skf18("1","4","6","9","10","10","1") = "9"
    & skf18("1","4","6","10","1","1","1") = "9"
    & skf18("1","4","6","10","1","2","1") = "9"
    & skf18("1","4","6","10","1","3","1") = "9"
    & skf18("1","4","6","10","1","4","1") = "9"
    & skf18("1","4","6","10","1","5","1") = "9"
    & skf18("1","4","6","10","1","6","1") = "9"
    & skf18("1","4","6","10","1","7","1") = "9"
    & skf18("1","4","6","10","1","8","1") = "9"
    & skf18("1","4","6","10","1","9","1") = "9"
    & skf18("1","4","6","10","1","10","1") = "9"
    & skf18("1","4","6","10","2","1","1") = "9"
    & skf18("1","4","6","10","2","2","1") = "9"
    & skf18("1","4","6","10","2","3","1") = "9"
    & skf18("1","4","6","10","2","4","1") = "9"
    & skf18("1","4","6","10","2","5","1") = "9"
    & skf18("1","4","6","10","2","6","1") = "9"
    & skf18("1","4","6","10","2","7","1") = "9"
    & skf18("1","4","6","10","2","8","1") = "9"
    & skf18("1","4","6","10","2","9","1") = "9"
    & skf18("1","4","6","10","2","10","1") = "9"
    & skf18("1","4","6","10","3","1","1") = "9"
    & skf18("1","4","6","10","3","2","1") = "9"
    & skf18("1","4","6","10","3","3","1") = "9"
    & skf18("1","4","6","10","3","4","1") = "9"
    & skf18("1","4","6","10","3","5","1") = "9"
    & skf18("1","4","6","10","3","6","1") = "9"
    & skf18("1","4","6","10","3","7","1") = "9"
    & skf18("1","4","6","10","3","8","1") = "9"
    & skf18("1","4","6","10","3","9","1") = "9"
    & skf18("1","4","6","10","3","10","1") = "9"
    & skf18("1","4","6","10","4","1","1") = "9"
    & skf18("1","4","6","10","4","2","1") = "9"
    & skf18("1","4","6","10","4","3","1") = "9"
    & skf18("1","4","6","10","4","4","1") = "9"
    & skf18("1","4","6","10","4","5","1") = "9"
    & skf18("1","4","6","10","4","6","1") = "9"
    & skf18("1","4","6","10","4","7","1") = "9"
    & skf18("1","4","6","10","4","8","1") = "9"
    & skf18("1","4","6","10","4","9","1") = "9"
    & skf18("1","4","6","10","4","10","1") = "9"
    & skf18("1","4","6","10","5","1","1") = "9"
    & skf18("1","4","6","10","5","2","1") = "9"
    & skf18("1","4","6","10","5","3","1") = "9"
    & skf18("1","4","6","10","5","4","1") = "9"
    & skf18("1","4","6","10","5","5","1") = "9"
    & skf18("1","4","6","10","5","6","1") = "9"
    & skf18("1","4","6","10","5","7","1") = "9"
    & skf18("1","4","6","10","5","8","1") = "9"
    & skf18("1","4","6","10","5","9","1") = "9"
    & skf18("1","4","6","10","5","10","1") = "9"
    & skf18("1","4","6","10","6","1","1") = "9"
    & skf18("1","4","6","10","6","2","1") = "9"
    & skf18("1","4","6","10","6","3","1") = "9"
    & skf18("1","4","6","10","6","4","1") = "9"
    & skf18("1","4","6","10","6","5","1") = "9"
    & skf18("1","4","6","10","6","6","1") = "9"
    & skf18("1","4","6","10","6","7","1") = "9"
    & skf18("1","4","6","10","6","8","1") = "9"
    & skf18("1","4","6","10","6","9","1") = "9"
    & skf18("1","4","6","10","6","10","1") = "9"
    & skf18("1","4","6","10","7","1","1") = "9"
    & skf18("1","4","6","10","7","2","1") = "9"
    & skf18("1","4","6","10","7","3","1") = "9"
    & skf18("1","4","6","10","7","4","1") = "9"
    & skf18("1","4","6","10","7","5","1") = "9"
    & skf18("1","4","6","10","7","6","1") = "9"
    & skf18("1","4","6","10","7","7","1") = "9"
    & skf18("1","4","6","10","7","8","1") = "9"
    & skf18("1","4","6","10","7","9","1") = "9"
    & skf18("1","4","6","10","7","10","1") = "9"
    & skf18("1","4","6","10","8","1","1") = "9"
    & skf18("1","4","6","10","8","2","1") = "9"
    & skf18("1","4","6","10","8","3","1") = "9"
    & skf18("1","4","6","10","8","4","1") = "9"
    & skf18("1","4","6","10","8","5","1") = "9"
    & skf18("1","4","6","10","8","6","1") = "9"
    & skf18("1","4","6","10","8","7","1") = "9"
    & skf18("1","4","6","10","8","8","1") = "9"
    & skf18("1","4","6","10","8","9","1") = "9"
    & skf18("1","4","6","10","8","10","1") = "9"
    & skf18("1","4","6","10","9","1","1") = "9"
    & skf18("1","4","6","10","9","2","1") = "9"
    & skf18("1","4","6","10","9","3","1") = "9"
    & skf18("1","4","6","10","9","4","1") = "9"
    & skf18("1","4","6","10","9","5","1") = "9"
    & skf18("1","4","6","10","9","6","1") = "9"
    & skf18("1","4","6","10","9","7","1") = "9"
    & skf18("1","4","6","10","9","8","1") = "9"
    & skf18("1","4","6","10","9","9","1") = "9"
    & skf18("1","4","6","10","9","10","1") = "9"
    & skf18("1","4","6","10","10","1","1") = "9"
    & skf18("1","4","6","10","10","2","1") = "9"
    & skf18("1","4","6","10","10","3","1") = "9"
    & skf18("1","4","6","10","10","4","1") = "9"
    & skf18("1","4","6","10","10","5","1") = "9"
    & skf18("1","4","6","10","10","6","1") = "9"
    & skf18("1","4","6","10","10","7","1") = "9"
    & skf18("1","4","6","10","10","8","1") = "9"
    & skf18("1","4","6","10","10","9","1") = "9"
    & skf18("1","4","6","10","10","10","1") = "9"
    & skf18("1","4","7","1","1","1","1") = "6"
    & skf18("1","4","7","1","1","2","1") = "6"
    & skf18("1","4","7","1","1","3","1") = "6"
    & skf18("1","4","7","1","1","4","1") = "6"
    & skf18("1","4","7","1","1","5","1") = "6"
    & skf18("1","4","7","1","1","6","1") = "6"
    & skf18("1","4","7","1","1","7","1") = "6"
    & skf18("1","4","7","1","1","8","1") = "7"
    & skf18("1","4","7","1","1","9","1") = "8"
    & skf18("1","4","7","1","1","10","1") = "9"
    & skf18("1","4","7","1","2","1","1") = "6"
    & skf18("1","4","7","1","2","2","1") = "6"
    & skf18("1","4","7","1","2","3","1") = "6"
    & skf18("1","4","7","1","2","4","1") = "6"
    & skf18("1","4","7","1","2","5","1") = "6"
    & skf18("1","4","7","1","2","6","1") = "6"
    & skf18("1","4","7","1","2","7","1") = "6"
    & skf18("1","4","7","1","2","8","1") = "7"
    & skf18("1","4","7","1","2","9","1") = "8"
    & skf18("1","4","7","1","2","10","1") = "9"
    & skf18("1","4","7","1","3","1","1") = "6"
    & skf18("1","4","7","1","3","2","1") = "6"
    & skf18("1","4","7","1","3","3","1") = "6"
    & skf18("1","4","7","1","3","4","1") = "6"
    & skf18("1","4","7","1","3","5","1") = "6"
    & skf18("1","4","7","1","3","6","1") = "6"
    & skf18("1","4","7","1","3","7","1") = "6"
    & skf18("1","4","7","1","3","8","1") = "7"
    & skf18("1","4","7","1","3","9","1") = "8"
    & skf18("1","4","7","1","3","10","1") = "9"
    & skf18("1","4","7","1","4","1","1") = "6"
    & skf18("1","4","7","1","4","2","1") = "6"
    & skf18("1","4","7","1","4","3","1") = "6"
    & skf18("1","4","7","1","4","4","1") = "6"
    & skf18("1","4","7","1","4","5","1") = "6"
    & skf18("1","4","7","1","4","6","1") = "6"
    & skf18("1","4","7","1","4","7","1") = "6"
    & skf18("1","4","7","1","4","8","1") = "7"
    & skf18("1","4","7","1","4","9","1") = "8"
    & skf18("1","4","7","1","4","10","1") = "9"
    & skf18("1","4","7","1","5","1","1") = "6"
    & skf18("1","4","7","1","5","2","1") = "6"
    & skf18("1","4","7","1","5","3","1") = "6"
    & skf18("1","4","7","1","5","4","1") = "6"
    & skf18("1","4","7","1","5","5","1") = "6"
    & skf18("1","4","7","1","5","6","1") = "6"
    & skf18("1","4","7","1","5","7","1") = "6"
    & skf18("1","4","7","1","5","8","1") = "7"
    & skf18("1","4","7","1","5","9","1") = "8"
    & skf18("1","4","7","1","5","10","1") = "9"
    & skf18("1","4","7","1","6","1","1") = "6"
    & skf18("1","4","7","1","6","2","1") = "6"
    & skf18("1","4","7","1","6","3","1") = "6"
    & skf18("1","4","7","1","6","4","1") = "6"
    & skf18("1","4","7","1","6","5","1") = "6"
    & skf18("1","4","7","1","6","6","1") = "6"
    & skf18("1","4","7","1","6","7","1") = "6"
    & skf18("1","4","7","1","6","8","1") = "7"
    & skf18("1","4","7","1","6","9","1") = "8"
    & skf18("1","4","7","1","6","10","1") = "9"
    & skf18("1","4","7","1","7","1","1") = "6"
    & skf18("1","4","7","1","7","2","1") = "6"
    & skf18("1","4","7","1","7","3","1") = "6"
    & skf18("1","4","7","1","7","4","1") = "6"
    & skf18("1","4","7","1","7","5","1") = "6"
    & skf18("1","4","7","1","7","6","1") = "6"
    & skf18("1","4","7","1","7","7","1") = "6"
    & skf18("1","4","7","1","7","8","1") = "7"
    & skf18("1","4","7","1","7","9","1") = "8"
    & skf18("1","4","7","1","7","10","1") = "9"
    & skf18("1","4","7","1","8","1","1") = "7"
    & skf18("1","4","7","1","8","2","1") = "7"
    & skf18("1","4","7","1","8","3","1") = "7"
    & skf18("1","4","7","1","8","4","1") = "7"
    & skf18("1","4","7","1","8","5","1") = "7"
    & skf18("1","4","7","1","8","6","1") = "7"
    & skf18("1","4","7","1","8","7","1") = "7"
    & skf18("1","4","7","1","8","8","1") = "7"
    & skf18("1","4","7","1","8","9","1") = "8"
    & skf18("1","4","7","1","8","10","1") = "9"
    & skf18("1","4","7","1","9","1","1") = "8"
    & skf18("1","4","7","1","9","2","1") = "8"
    & skf18("1","4","7","1","9","3","1") = "8"
    & skf18("1","4","7","1","9","4","1") = "8"
    & skf18("1","4","7","1","9","5","1") = "8"
    & skf18("1","4","7","1","9","6","1") = "8"
    & skf18("1","4","7","1","9","7","1") = "8"
    & skf18("1","4","7","1","9","8","1") = "8"
    & skf18("1","4","7","1","9","9","1") = "8"
    & skf18("1","4","7","1","9","10","1") = "9"
    & skf18("1","4","7","1","10","1","1") = "9"
    & skf18("1","4","7","1","10","2","1") = "9"
    & skf18("1","4","7","1","10","3","1") = "9"
    & skf18("1","4","7","1","10","4","1") = "9"
    & skf18("1","4","7","1","10","5","1") = "9"
    & skf18("1","4","7","1","10","6","1") = "9"
    & skf18("1","4","7","1","10","7","1") = "9"
    & skf18("1","4","7","1","10","8","1") = "9"
    & skf18("1","4","7","1","10","9","1") = "9"
    & skf18("1","4","7","1","10","10","1") = "9"
    & skf18("1","4","7","2","1","1","1") = "6"
    & skf18("1","4","7","2","1","2","1") = "6"
    & skf18("1","4","7","2","1","3","1") = "6"
    & skf18("1","4","7","2","1","4","1") = "6"
    & skf18("1","4","7","2","1","5","1") = "6"
    & skf18("1","4","7","2","1","6","1") = "6"
    & skf18("1","4","7","2","1","7","1") = "6"
    & skf18("1","4","7","2","1","8","1") = "7"
    & skf18("1","4","7","2","1","9","1") = "8"
    & skf18("1","4","7","2","1","10","1") = "9"
    & skf18("1","4","7","2","2","1","1") = "6"
    & skf18("1","4","7","2","2","2","1") = "6"
    & skf18("1","4","7","2","2","3","1") = "6"
    & skf18("1","4","7","2","2","4","1") = "6"
    & skf18("1","4","7","2","2","5","1") = "6"
    & skf18("1","4","7","2","2","6","1") = "6"
    & skf18("1","4","7","2","2","7","1") = "6"
    & skf18("1","4","7","2","2","8","1") = "7"
    & skf18("1","4","7","2","2","9","1") = "8"
    & skf18("1","4","7","2","2","10","1") = "9"
    & skf18("1","4","7","2","3","1","1") = "6"
    & skf18("1","4","7","2","3","2","1") = "6"
    & skf18("1","4","7","2","3","3","1") = "6"
    & skf18("1","4","7","2","3","4","1") = "6"
    & skf18("1","4","7","2","3","5","1") = "6"
    & skf18("1","4","7","2","3","6","1") = "6"
    & skf18("1","4","7","2","3","7","1") = "6"
    & skf18("1","4","7","2","3","8","1") = "7"
    & skf18("1","4","7","2","3","9","1") = "8"
    & skf18("1","4","7","2","3","10","1") = "9"
    & skf18("1","4","7","2","4","1","1") = "6"
    & skf18("1","4","7","2","4","2","1") = "6"
    & skf18("1","4","7","2","4","3","1") = "6"
    & skf18("1","4","7","2","4","4","1") = "6"
    & skf18("1","4","7","2","4","5","1") = "6"
    & skf18("1","4","7","2","4","6","1") = "6"
    & skf18("1","4","7","2","4","7","1") = "6"
    & skf18("1","4","7","2","4","8","1") = "7"
    & skf18("1","4","7","2","4","9","1") = "8"
    & skf18("1","4","7","2","4","10","1") = "9"
    & skf18("1","4","7","2","5","1","1") = "6"
    & skf18("1","4","7","2","5","2","1") = "6"
    & skf18("1","4","7","2","5","3","1") = "6"
    & skf18("1","4","7","2","5","4","1") = "6"
    & skf18("1","4","7","2","5","5","1") = "6"
    & skf18("1","4","7","2","5","6","1") = "6"
    & skf18("1","4","7","2","5","7","1") = "6"
    & skf18("1","4","7","2","5","8","1") = "7"
    & skf18("1","4","7","2","5","9","1") = "8"
    & skf18("1","4","7","2","5","10","1") = "9"
    & skf18("1","4","7","2","6","1","1") = "6"
    & skf18("1","4","7","2","6","2","1") = "6"
    & skf18("1","4","7","2","6","3","1") = "6"
    & skf18("1","4","7","2","6","4","1") = "6"
    & skf18("1","4","7","2","6","5","1") = "6"
    & skf18("1","4","7","2","6","6","1") = "6"
    & skf18("1","4","7","2","6","7","1") = "6"
    & skf18("1","4","7","2","6","8","1") = "7"
    & skf18("1","4","7","2","6","9","1") = "8"
    & skf18("1","4","7","2","6","10","1") = "9"
    & skf18("1","4","7","2","7","1","1") = "6"
    & skf18("1","4","7","2","7","2","1") = "6"
    & skf18("1","4","7","2","7","3","1") = "6"
    & skf18("1","4","7","2","7","4","1") = "6"
    & skf18("1","4","7","2","7","5","1") = "6"
    & skf18("1","4","7","2","7","6","1") = "6"
    & skf18("1","4","7","2","7","7","1") = "6"
    & skf18("1","4","7","2","7","8","1") = "7"
    & skf18("1","4","7","2","7","9","1") = "8"
    & skf18("1","4","7","2","7","10","1") = "9"
    & skf18("1","4","7","2","8","1","1") = "7"
    & skf18("1","4","7","2","8","2","1") = "7"
    & skf18("1","4","7","2","8","3","1") = "7"
    & skf18("1","4","7","2","8","4","1") = "7"
    & skf18("1","4","7","2","8","5","1") = "7"
    & skf18("1","4","7","2","8","6","1") = "7"
    & skf18("1","4","7","2","8","7","1") = "7"
    & skf18("1","4","7","2","8","8","1") = "7"
    & skf18("1","4","7","2","8","9","1") = "8"
    & skf18("1","4","7","2","8","10","1") = "9"
    & skf18("1","4","7","2","9","1","1") = "8"
    & skf18("1","4","7","2","9","2","1") = "8"
    & skf18("1","4","7","2","9","3","1") = "8"
    & skf18("1","4","7","2","9","4","1") = "8"
    & skf18("1","4","7","2","9","5","1") = "8"
    & skf18("1","4","7","2","9","6","1") = "8"
    & skf18("1","4","7","2","9","7","1") = "8"
    & skf18("1","4","7","2","9","8","1") = "8"
    & skf18("1","4","7","2","9","9","1") = "8"
    & skf18("1","4","7","2","9","10","1") = "9"
    & skf18("1","4","7","2","10","1","1") = "9"
    & skf18("1","4","7","2","10","2","1") = "9"
    & skf18("1","4","7","2","10","3","1") = "9"
    & skf18("1","4","7","2","10","4","1") = "9"
    & skf18("1","4","7","2","10","5","1") = "9"
    & skf18("1","4","7","2","10","6","1") = "9"
    & skf18("1","4","7","2","10","7","1") = "9"
    & skf18("1","4","7","2","10","8","1") = "9"
    & skf18("1","4","7","2","10","9","1") = "9"
    & skf18("1","4","7","2","10","10","1") = "9"
    & skf18("1","4","7","3","1","1","1") = "6"
    & skf18("1","4","7","3","1","2","1") = "6"
    & skf18("1","4","7","3","1","3","1") = "6"
    & skf18("1","4","7","3","1","4","1") = "6"
    & skf18("1","4","7","3","1","5","1") = "6"
    & skf18("1","4","7","3","1","6","1") = "6"
    & skf18("1","4","7","3","1","7","1") = "6"
    & skf18("1","4","7","3","1","8","1") = "7"
    & skf18("1","4","7","3","1","9","1") = "8"
    & skf18("1","4","7","3","1","10","1") = "9"
    & skf18("1","4","7","3","2","1","1") = "6"
    & skf18("1","4","7","3","2","2","1") = "6"
    & skf18("1","4","7","3","2","3","1") = "6"
    & skf18("1","4","7","3","2","4","1") = "6"
    & skf18("1","4","7","3","2","5","1") = "6"
    & skf18("1","4","7","3","2","6","1") = "6"
    & skf18("1","4","7","3","2","7","1") = "6"
    & skf18("1","4","7","3","2","8","1") = "7"
    & skf18("1","4","7","3","2","9","1") = "8"
    & skf18("1","4","7","3","2","10","1") = "9"
    & skf18("1","4","7","3","3","1","1") = "6"
    & skf18("1","4","7","3","3","2","1") = "6"
    & skf18("1","4","7","3","3","3","1") = "6"
    & skf18("1","4","7","3","3","4","1") = "6"
    & skf18("1","4","7","3","3","5","1") = "6"
    & skf18("1","4","7","3","3","6","1") = "6"
    & skf18("1","4","7","3","3","7","1") = "6"
    & skf18("1","4","7","3","3","8","1") = "7"
    & skf18("1","4","7","3","3","9","1") = "8"
    & skf18("1","4","7","3","3","10","1") = "9"
    & skf18("1","4","7","3","4","1","1") = "6"
    & skf18("1","4","7","3","4","2","1") = "6"
    & skf18("1","4","7","3","4","3","1") = "6"
    & skf18("1","4","7","3","4","4","1") = "6"
    & skf18("1","4","7","3","4","5","1") = "6"
    & skf18("1","4","7","3","4","6","1") = "6"
    & skf18("1","4","7","3","4","7","1") = "6"
    & skf18("1","4","7","3","4","8","1") = "7"
    & skf18("1","4","7","3","4","9","1") = "8"
    & skf18("1","4","7","3","4","10","1") = "9"
    & skf18("1","4","7","3","5","1","1") = "6"
    & skf18("1","4","7","3","5","2","1") = "6"
    & skf18("1","4","7","3","5","3","1") = "6"
    & skf18("1","4","7","3","5","4","1") = "6"
    & skf18("1","4","7","3","5","5","1") = "6"
    & skf18("1","4","7","3","5","6","1") = "6"
    & skf18("1","4","7","3","5","7","1") = "6"
    & skf18("1","4","7","3","5","8","1") = "7"
    & skf18("1","4","7","3","5","9","1") = "8"
    & skf18("1","4","7","3","5","10","1") = "9"
    & skf18("1","4","7","3","6","1","1") = "6"
    & skf18("1","4","7","3","6","2","1") = "6"
    & skf18("1","4","7","3","6","3","1") = "6"
    & skf18("1","4","7","3","6","4","1") = "6"
    & skf18("1","4","7","3","6","5","1") = "6"
    & skf18("1","4","7","3","6","6","1") = "6"
    & skf18("1","4","7","3","6","7","1") = "6"
    & skf18("1","4","7","3","6","8","1") = "7"
    & skf18("1","4","7","3","6","9","1") = "8"
    & skf18("1","4","7","3","6","10","1") = "9"
    & skf18("1","4","7","3","7","1","1") = "6"
    & skf18("1","4","7","3","7","2","1") = "6"
    & skf18("1","4","7","3","7","3","1") = "6"
    & skf18("1","4","7","3","7","4","1") = "6"
    & skf18("1","4","7","3","7","5","1") = "6"
    & skf18("1","4","7","3","7","6","1") = "6"
    & skf18("1","4","7","3","7","7","1") = "6"
    & skf18("1","4","7","3","7","8","1") = "7"
    & skf18("1","4","7","3","7","9","1") = "8"
    & skf18("1","4","7","3","7","10","1") = "9"
    & skf18("1","4","7","3","8","1","1") = "7"
    & skf18("1","4","7","3","8","2","1") = "7"
    & skf18("1","4","7","3","8","3","1") = "7"
    & skf18("1","4","7","3","8","4","1") = "7"
    & skf18("1","4","7","3","8","5","1") = "7"
    & skf18("1","4","7","3","8","6","1") = "7"
    & skf18("1","4","7","3","8","7","1") = "7"
    & skf18("1","4","7","3","8","8","1") = "7"
    & skf18("1","4","7","3","8","9","1") = "8"
    & skf18("1","4","7","3","8","10","1") = "9"
    & skf18("1","4","7","3","9","1","1") = "8"
    & skf18("1","4","7","3","9","2","1") = "8"
    & skf18("1","4","7","3","9","3","1") = "8"
    & skf18("1","4","7","3","9","4","1") = "8"
    & skf18("1","4","7","3","9","5","1") = "8"
    & skf18("1","4","7","3","9","6","1") = "8"
    & skf18("1","4","7","3","9","7","1") = "8"
    & skf18("1","4","7","3","9","8","1") = "8"
    & skf18("1","4","7","3","9","9","1") = "8"
    & skf18("1","4","7","3","9","10","1") = "9"
    & skf18("1","4","7","3","10","1","1") = "9"
    & skf18("1","4","7","3","10","2","1") = "9"
    & skf18("1","4","7","3","10","3","1") = "9"
    & skf18("1","4","7","3","10","4","1") = "9"
    & skf18("1","4","7","3","10","5","1") = "9"
    & skf18("1","4","7","3","10","6","1") = "9"
    & skf18("1","4","7","3","10","7","1") = "9"
    & skf18("1","4","7","3","10","8","1") = "9"
    & skf18("1","4","7","3","10","9","1") = "9"
    & skf18("1","4","7","3","10","10","1") = "9"
    & skf18("1","4","7","4","1","1","1") = "6"
    & skf18("1","4","7","4","1","2","1") = "6"
    & skf18("1","4","7","4","1","3","1") = "6"
    & skf18("1","4","7","4","1","4","1") = "6"
    & skf18("1","4","7","4","1","5","1") = "6"
    & skf18("1","4","7","4","1","6","1") = "6"
    & skf18("1","4","7","4","1","7","1") = "6"
    & skf18("1","4","7","4","1","8","1") = "7"
    & skf18("1","4","7","4","1","9","1") = "8"
    & skf18("1","4","7","4","1","10","1") = "9"
    & skf18("1","4","7","4","2","1","1") = "6"
    & skf18("1","4","7","4","2","2","1") = "6"
    & skf18("1","4","7","4","2","3","1") = "6"
    & skf18("1","4","7","4","2","4","1") = "6"
    & skf18("1","4","7","4","2","5","1") = "6"
    & skf18("1","4","7","4","2","6","1") = "6"
    & skf18("1","4","7","4","2","7","1") = "6"
    & skf18("1","4","7","4","2","8","1") = "7"
    & skf18("1","4","7","4","2","9","1") = "8"
    & skf18("1","4","7","4","2","10","1") = "9"
    & skf18("1","4","7","4","3","1","1") = "6"
    & skf18("1","4","7","4","3","2","1") = "6"
    & skf18("1","4","7","4","3","3","1") = "6"
    & skf18("1","4","7","4","3","4","1") = "6"
    & skf18("1","4","7","4","3","5","1") = "6"
    & skf18("1","4","7","4","3","6","1") = "6"
    & skf18("1","4","7","4","3","7","1") = "6"
    & skf18("1","4","7","4","3","8","1") = "7"
    & skf18("1","4","7","4","3","9","1") = "8"
    & skf18("1","4","7","4","3","10","1") = "9"
    & skf18("1","4","7","4","4","1","1") = "6"
    & skf18("1","4","7","4","4","2","1") = "6"
    & skf18("1","4","7","4","4","3","1") = "6"
    & skf18("1","4","7","4","4","4","1") = "6"
    & skf18("1","4","7","4","4","5","1") = "6"
    & skf18("1","4","7","4","4","6","1") = "6"
    & skf18("1","4","7","4","4","7","1") = "6"
    & skf18("1","4","7","4","4","8","1") = "7"
    & skf18("1","4","7","4","4","9","1") = "8"
    & skf18("1","4","7","4","4","10","1") = "9"
    & skf18("1","4","7","4","5","1","1") = "6"
    & skf18("1","4","7","4","5","2","1") = "6"
    & skf18("1","4","7","4","5","3","1") = "6"
    & skf18("1","4","7","4","5","4","1") = "6"
    & skf18("1","4","7","4","5","5","1") = "6"
    & skf18("1","4","7","4","5","6","1") = "6"
    & skf18("1","4","7","4","5","7","1") = "6"
    & skf18("1","4","7","4","5","8","1") = "7"
    & skf18("1","4","7","4","5","9","1") = "8"
    & skf18("1","4","7","4","5","10","1") = "9"
    & skf18("1","4","7","4","6","1","1") = "6"
    & skf18("1","4","7","4","6","2","1") = "6"
    & skf18("1","4","7","4","6","3","1") = "6"
    & skf18("1","4","7","4","6","4","1") = "6"
    & skf18("1","4","7","4","6","5","1") = "6"
    & skf18("1","4","7","4","6","6","1") = "6"
    & skf18("1","4","7","4","6","7","1") = "6"
    & skf18("1","4","7","4","6","8","1") = "7"
    & skf18("1","4","7","4","6","9","1") = "8"
    & skf18("1","4","7","4","6","10","1") = "9"
    & skf18("1","4","7","4","7","1","1") = "6"
    & skf18("1","4","7","4","7","2","1") = "6"
    & skf18("1","4","7","4","7","3","1") = "6"
    & skf18("1","4","7","4","7","4","1") = "6"
    & skf18("1","4","7","4","7","5","1") = "6"
    & skf18("1","4","7","4","7","6","1") = "6"
    & skf18("1","4","7","4","7","7","1") = "6"
    & skf18("1","4","7","4","7","8","1") = "7"
    & skf18("1","4","7","4","7","9","1") = "8"
    & skf18("1","4","7","4","7","10","1") = "9"
    & skf18("1","4","7","4","8","1","1") = "7"
    & skf18("1","4","7","4","8","2","1") = "7"
    & skf18("1","4","7","4","8","3","1") = "7"
    & skf18("1","4","7","4","8","4","1") = "7"
    & skf18("1","4","7","4","8","5","1") = "7"
    & skf18("1","4","7","4","8","6","1") = "7"
    & skf18("1","4","7","4","8","7","1") = "7"
    & skf18("1","4","7","4","8","8","1") = "7"
    & skf18("1","4","7","4","8","9","1") = "8"
    & skf18("1","4","7","4","8","10","1") = "9"
    & skf18("1","4","7","4","9","1","1") = "8"
    & skf18("1","4","7","4","9","2","1") = "8"
    & skf18("1","4","7","4","9","3","1") = "8"
    & skf18("1","4","7","4","9","4","1") = "8"
    & skf18("1","4","7","4","9","5","1") = "8"
    & skf18("1","4","7","4","9","6","1") = "8"
    & skf18("1","4","7","4","9","7","1") = "8"
    & skf18("1","4","7","4","9","8","1") = "8"
    & skf18("1","4","7","4","9","9","1") = "8"
    & skf18("1","4","7","4","9","10","1") = "9"
    & skf18("1","4","7","4","10","1","1") = "9"
    & skf18("1","4","7","4","10","2","1") = "9"
    & skf18("1","4","7","4","10","3","1") = "9"
    & skf18("1","4","7","4","10","4","1") = "9"
    & skf18("1","4","7","4","10","5","1") = "9"
    & skf18("1","4","7","4","10","6","1") = "9"
    & skf18("1","4","7","4","10","7","1") = "9"
    & skf18("1","4","7","4","10","8","1") = "9"
    & skf18("1","4","7","4","10","9","1") = "9"
    & skf18("1","4","7","4","10","10","1") = "9"
    & skf18("1","4","7","5","1","1","1") = "6"
    & skf18("1","4","7","5","1","2","1") = "6"
    & skf18("1","4","7","5","1","3","1") = "6"
    & skf18("1","4","7","5","1","4","1") = "6"
    & skf18("1","4","7","5","1","5","1") = "6"
    & skf18("1","4","7","5","1","6","1") = "6"
    & skf18("1","4","7","5","1","7","1") = "6"
    & skf18("1","4","7","5","1","8","1") = "7"
    & skf18("1","4","7","5","1","9","1") = "8"
    & skf18("1","4","7","5","1","10","1") = "9"
    & skf18("1","4","7","5","2","1","1") = "6"
    & skf18("1","4","7","5","2","2","1") = "6"
    & skf18("1","4","7","5","2","3","1") = "6"
    & skf18("1","4","7","5","2","4","1") = "6"
    & skf18("1","4","7","5","2","5","1") = "6"
    & skf18("1","4","7","5","2","6","1") = "6"
    & skf18("1","4","7","5","2","7","1") = "6"
    & skf18("1","4","7","5","2","8","1") = "7"
    & skf18("1","4","7","5","2","9","1") = "8"
    & skf18("1","4","7","5","2","10","1") = "9"
    & skf18("1","4","7","5","3","1","1") = "6"
    & skf18("1","4","7","5","3","2","1") = "6"
    & skf18("1","4","7","5","3","3","1") = "6"
    & skf18("1","4","7","5","3","4","1") = "6"
    & skf18("1","4","7","5","3","5","1") = "6"
    & skf18("1","4","7","5","3","6","1") = "6"
    & skf18("1","4","7","5","3","7","1") = "6"
    & skf18("1","4","7","5","3","8","1") = "7"
    & skf18("1","4","7","5","3","9","1") = "8"
    & skf18("1","4","7","5","3","10","1") = "9"
    & skf18("1","4","7","5","4","1","1") = "6"
    & skf18("1","4","7","5","4","2","1") = "6"
    & skf18("1","4","7","5","4","3","1") = "6"
    & skf18("1","4","7","5","4","4","1") = "6"
    & skf18("1","4","7","5","4","5","1") = "6"
    & skf18("1","4","7","5","4","6","1") = "6"
    & skf18("1","4","7","5","4","7","1") = "6"
    & skf18("1","4","7","5","4","8","1") = "7"
    & skf18("1","4","7","5","4","9","1") = "8"
    & skf18("1","4","7","5","4","10","1") = "9"
    & skf18("1","4","7","5","5","1","1") = "6"
    & skf18("1","4","7","5","5","2","1") = "6"
    & skf18("1","4","7","5","5","3","1") = "6"
    & skf18("1","4","7","5","5","4","1") = "6"
    & skf18("1","4","7","5","5","5","1") = "6"
    & skf18("1","4","7","5","5","6","1") = "6"
    & skf18("1","4","7","5","5","7","1") = "6"
    & skf18("1","4","7","5","5","8","1") = "7"
    & skf18("1","4","7","5","5","9","1") = "8"
    & skf18("1","4","7","5","5","10","1") = "9"
    & skf18("1","4","7","5","6","1","1") = "6"
    & skf18("1","4","7","5","6","2","1") = "6"
    & skf18("1","4","7","5","6","3","1") = "6"
    & skf18("1","4","7","5","6","4","1") = "6"
    & skf18("1","4","7","5","6","5","1") = "6"
    & skf18("1","4","7","5","6","6","1") = "6"
    & skf18("1","4","7","5","6","7","1") = "6"
    & skf18("1","4","7","5","6","8","1") = "7"
    & skf18("1","4","7","5","6","9","1") = "8"
    & skf18("1","4","7","5","6","10","1") = "9"
    & skf18("1","4","7","5","7","1","1") = "6"
    & skf18("1","4","7","5","7","2","1") = "6"
    & skf18("1","4","7","5","7","3","1") = "6"
    & skf18("1","4","7","5","7","4","1") = "6"
    & skf18("1","4","7","5","7","5","1") = "6"
    & skf18("1","4","7","5","7","6","1") = "6"
    & skf18("1","4","7","5","7","7","1") = "6"
    & skf18("1","4","7","5","7","8","1") = "7"
    & skf18("1","4","7","5","7","9","1") = "8"
    & skf18("1","4","7","5","7","10","1") = "9"
    & skf18("1","4","7","5","8","1","1") = "7"
    & skf18("1","4","7","5","8","2","1") = "7"
    & skf18("1","4","7","5","8","3","1") = "7"
    & skf18("1","4","7","5","8","4","1") = "7"
    & skf18("1","4","7","5","8","5","1") = "7"
    & skf18("1","4","7","5","8","6","1") = "7"
    & skf18("1","4","7","5","8","7","1") = "7"
    & skf18("1","4","7","5","8","8","1") = "7"
    & skf18("1","4","7","5","8","9","1") = "8"
    & skf18("1","4","7","5","8","10","1") = "9"
    & skf18("1","4","7","5","9","1","1") = "8"
    & skf18("1","4","7","5","9","2","1") = "8"
    & skf18("1","4","7","5","9","3","1") = "8"
    & skf18("1","4","7","5","9","4","1") = "8"
    & skf18("1","4","7","5","9","5","1") = "8"
    & skf18("1","4","7","5","9","6","1") = "8"
    & skf18("1","4","7","5","9","7","1") = "8"
    & skf18("1","4","7","5","9","8","1") = "8"
    & skf18("1","4","7","5","9","9","1") = "8"
    & skf18("1","4","7","5","9","10","1") = "9"
    & skf18("1","4","7","5","10","1","1") = "9"
    & skf18("1","4","7","5","10","2","1") = "9"
    & skf18("1","4","7","5","10","3","1") = "9"
    & skf18("1","4","7","5","10","4","1") = "9"
    & skf18("1","4","7","5","10","5","1") = "9"
    & skf18("1","4","7","5","10","6","1") = "9"
    & skf18("1","4","7","5","10","7","1") = "9"
    & skf18("1","4","7","5","10","8","1") = "9"
    & skf18("1","4","7","5","10","9","1") = "9"
    & skf18("1","4","7","5","10","10","1") = "9"
    & skf18("1","4","7","6","1","1","1") = "6"
    & skf18("1","4","7","6","1","2","1") = "6"
    & skf18("1","4","7","6","1","3","1") = "6"
    & skf18("1","4","7","6","1","4","1") = "6"
    & skf18("1","4","7","6","1","5","1") = "6"
    & skf18("1","4","7","6","1","6","1") = "6"
    & skf18("1","4","7","6","1","7","1") = "6"
    & skf18("1","4","7","6","1","8","1") = "7"
    & skf18("1","4","7","6","1","9","1") = "8"
    & skf18("1","4","7","6","1","10","1") = "9"
    & skf18("1","4","7","6","2","1","1") = "6"
    & skf18("1","4","7","6","2","2","1") = "6"
    & skf18("1","4","7","6","2","3","1") = "6"
    & skf18("1","4","7","6","2","4","1") = "6"
    & skf18("1","4","7","6","2","5","1") = "6"
    & skf18("1","4","7","6","2","6","1") = "6"
    & skf18("1","4","7","6","2","7","1") = "6"
    & skf18("1","4","7","6","2","8","1") = "7"
    & skf18("1","4","7","6","2","9","1") = "8"
    & skf18("1","4","7","6","2","10","1") = "9"
    & skf18("1","4","7","6","3","1","1") = "6"
    & skf18("1","4","7","6","3","2","1") = "6"
    & skf18("1","4","7","6","3","3","1") = "6"
    & skf18("1","4","7","6","3","4","1") = "6"
    & skf18("1","4","7","6","3","5","1") = "6"
    & skf18("1","4","7","6","3","6","1") = "6"
    & skf18("1","4","7","6","3","7","1") = "6"
    & skf18("1","4","7","6","3","8","1") = "7"
    & skf18("1","4","7","6","3","9","1") = "8"
    & skf18("1","4","7","6","3","10","1") = "9"
    & skf18("1","4","7","6","4","1","1") = "6"
    & skf18("1","4","7","6","4","2","1") = "6"
    & skf18("1","4","7","6","4","3","1") = "6"
    & skf18("1","4","7","6","4","4","1") = "6"
    & skf18("1","4","7","6","4","5","1") = "6"
    & skf18("1","4","7","6","4","6","1") = "6"
    & skf18("1","4","7","6","4","7","1") = "6"
    & skf18("1","4","7","6","4","8","1") = "7"
    & skf18("1","4","7","6","4","9","1") = "8"
    & skf18("1","4","7","6","4","10","1") = "9"
    & skf18("1","4","7","6","5","1","1") = "6"
    & skf18("1","4","7","6","5","2","1") = "6"
    & skf18("1","4","7","6","5","3","1") = "6"
    & skf18("1","4","7","6","5","4","1") = "6"
    & skf18("1","4","7","6","5","5","1") = "6"
    & skf18("1","4","7","6","5","6","1") = "6"
    & skf18("1","4","7","6","5","7","1") = "6"
    & skf18("1","4","7","6","5","8","1") = "7"
    & skf18("1","4","7","6","5","9","1") = "8"
    & skf18("1","4","7","6","5","10","1") = "9"
    & skf18("1","4","7","6","6","1","1") = "6"
    & skf18("1","4","7","6","6","2","1") = "6"
    & skf18("1","4","7","6","6","3","1") = "6"
    & skf18("1","4","7","6","6","4","1") = "6"
    & skf18("1","4","7","6","6","5","1") = "6"
    & skf18("1","4","7","6","6","6","1") = "6"
    & skf18("1","4","7","6","6","7","1") = "6"
    & skf18("1","4","7","6","6","8","1") = "7"
    & skf18("1","4","7","6","6","9","1") = "8"
    & skf18("1","4","7","6","6","10","1") = "9"
    & skf18("1","4","7","6","7","1","1") = "6"
    & skf18("1","4","7","6","7","2","1") = "6"
    & skf18("1","4","7","6","7","3","1") = "6"
    & skf18("1","4","7","6","7","4","1") = "6"
    & skf18("1","4","7","6","7","5","1") = "6"
    & skf18("1","4","7","6","7","6","1") = "6"
    & skf18("1","4","7","6","7","7","1") = "6"
    & skf18("1","4","7","6","7","8","1") = "7"
    & skf18("1","4","7","6","7","9","1") = "8"
    & skf18("1","4","7","6","7","10","1") = "9"
    & skf18("1","4","7","6","8","1","1") = "7"
    & skf18("1","4","7","6","8","2","1") = "7"
    & skf18("1","4","7","6","8","3","1") = "7"
    & skf18("1","4","7","6","8","4","1") = "7"
    & skf18("1","4","7","6","8","5","1") = "7"
    & skf18("1","4","7","6","8","6","1") = "7"
    & skf18("1","4","7","6","8","7","1") = "7"
    & skf18("1","4","7","6","8","8","1") = "7"
    & skf18("1","4","7","6","8","9","1") = "8"
    & skf18("1","4","7","6","8","10","1") = "9"
    & skf18("1","4","7","6","9","1","1") = "8"
    & skf18("1","4","7","6","9","2","1") = "8"
    & skf18("1","4","7","6","9","3","1") = "8"
    & skf18("1","4","7","6","9","4","1") = "8"
    & skf18("1","4","7","6","9","5","1") = "8"
    & skf18("1","4","7","6","9","6","1") = "8"
    & skf18("1","4","7","6","9","7","1") = "8"
    & skf18("1","4","7","6","9","8","1") = "8"
    & skf18("1","4","7","6","9","9","1") = "8"
    & skf18("1","4","7","6","9","10","1") = "9"
    & skf18("1","4","7","6","10","1","1") = "9"
    & skf18("1","4","7","6","10","2","1") = "9"
    & skf18("1","4","7","6","10","3","1") = "9"
    & skf18("1","4","7","6","10","4","1") = "9"
    & skf18("1","4","7","6","10","5","1") = "9"
    & skf18("1","4","7","6","10","6","1") = "9"
    & skf18("1","4","7","6","10","7","1") = "9"
    & skf18("1","4","7","6","10","8","1") = "9"
    & skf18("1","4","7","6","10","9","1") = "9"
    & skf18("1","4","7","6","10","10","1") = "9"
    & skf18("1","4","7","7","1","1","1") = "6"
    & skf18("1","4","7","7","1","2","1") = "6"
    & skf18("1","4","7","7","1","3","1") = "6"
    & skf18("1","4","7","7","1","4","1") = "6"
    & skf18("1","4","7","7","1","5","1") = "6"
    & skf18("1","4","7","7","1","6","1") = "6"
    & skf18("1","4","7","7","1","7","1") = "6"
    & skf18("1","4","7","7","1","8","1") = "7"
    & skf18("1","4","7","7","1","9","1") = "8"
    & skf18("1","4","7","7","1","10","1") = "9"
    & skf18("1","4","7","7","2","1","1") = "6"
    & skf18("1","4","7","7","2","2","1") = "6"
    & skf18("1","4","7","7","2","3","1") = "6"
    & skf18("1","4","7","7","2","4","1") = "6"
    & skf18("1","4","7","7","2","5","1") = "6"
    & skf18("1","4","7","7","2","6","1") = "6"
    & skf18("1","4","7","7","2","7","1") = "6"
    & skf18("1","4","7","7","2","8","1") = "7"
    & skf18("1","4","7","7","2","9","1") = "8"
    & skf18("1","4","7","7","2","10","1") = "9"
    & skf18("1","4","7","7","3","1","1") = "6"
    & skf18("1","4","7","7","3","2","1") = "6"
    & skf18("1","4","7","7","3","3","1") = "6"
    & skf18("1","4","7","7","3","4","1") = "6"
    & skf18("1","4","7","7","3","5","1") = "6"
    & skf18("1","4","7","7","3","6","1") = "6"
    & skf18("1","4","7","7","3","7","1") = "6"
    & skf18("1","4","7","7","3","8","1") = "7"
    & skf18("1","4","7","7","3","9","1") = "8"
    & skf18("1","4","7","7","3","10","1") = "9"
    & skf18("1","4","7","7","4","1","1") = "6"
    & skf18("1","4","7","7","4","2","1") = "6"
    & skf18("1","4","7","7","4","3","1") = "6"
    & skf18("1","4","7","7","4","4","1") = "6"
    & skf18("1","4","7","7","4","5","1") = "6"
    & skf18("1","4","7","7","4","6","1") = "6"
    & skf18("1","4","7","7","4","7","1") = "6"
    & skf18("1","4","7","7","4","8","1") = "7"
    & skf18("1","4","7","7","4","9","1") = "8"
    & skf18("1","4","7","7","4","10","1") = "9"
    & skf18("1","4","7","7","5","1","1") = "6"
    & skf18("1","4","7","7","5","2","1") = "6"
    & skf18("1","4","7","7","5","3","1") = "6"
    & skf18("1","4","7","7","5","4","1") = "6"
    & skf18("1","4","7","7","5","5","1") = "6"
    & skf18("1","4","7","7","5","6","1") = "6"
    & skf18("1","4","7","7","5","7","1") = "6"
    & skf18("1","4","7","7","5","8","1") = "7"
    & skf18("1","4","7","7","5","9","1") = "8"
    & skf18("1","4","7","7","5","10","1") = "9"
    & skf18("1","4","7","7","6","1","1") = "6"
    & skf18("1","4","7","7","6","2","1") = "6"
    & skf18("1","4","7","7","6","3","1") = "6"
    & skf18("1","4","7","7","6","4","1") = "6"
    & skf18("1","4","7","7","6","5","1") = "6"
    & skf18("1","4","7","7","6","6","1") = "6"
    & skf18("1","4","7","7","6","7","1") = "6"
    & skf18("1","4","7","7","6","8","1") = "7"
    & skf18("1","4","7","7","6","9","1") = "8"
    & skf18("1","4","7","7","6","10","1") = "9"
    & skf18("1","4","7","7","7","1","1") = "6"
    & skf18("1","4","7","7","7","2","1") = "6"
    & skf18("1","4","7","7","7","3","1") = "6"
    & skf18("1","4","7","7","7","4","1") = "6"
    & skf18("1","4","7","7","7","5","1") = "6"
    & skf18("1","4","7","7","7","6","1") = "6"
    & skf18("1","4","7","7","7","7","1") = "6"
    & skf18("1","4","7","7","7","8","1") = "7"
    & skf18("1","4","7","7","7","9","1") = "8"
    & skf18("1","4","7","7","7","10","1") = "9"
    & skf18("1","4","7","7","8","1","1") = "7"
    & skf18("1","4","7","7","8","2","1") = "7"
    & skf18("1","4","7","7","8","3","1") = "7"
    & skf18("1","4","7","7","8","4","1") = "7"
    & skf18("1","4","7","7","8","5","1") = "7"
    & skf18("1","4","7","7","8","6","1") = "7"
    & skf18("1","4","7","7","8","7","1") = "7"
    & skf18("1","4","7","7","8","8","1") = "7"
    & skf18("1","4","7","7","8","9","1") = "8"
    & skf18("1","4","7","7","8","10","1") = "9"
    & skf18("1","4","7","7","9","1","1") = "8"
    & skf18("1","4","7","7","9","2","1") = "8"
    & skf18("1","4","7","7","9","3","1") = "8"
    & skf18("1","4","7","7","9","4","1") = "8"
    & skf18("1","4","7","7","9","5","1") = "8"
    & skf18("1","4","7","7","9","6","1") = "8"
    & skf18("1","4","7","7","9","7","1") = "8"
    & skf18("1","4","7","7","9","8","1") = "8"
    & skf18("1","4","7","7","9","9","1") = "8"
    & skf18("1","4","7","7","9","10","1") = "9"
    & skf18("1","4","7","7","10","1","1") = "9"
    & skf18("1","4","7","7","10","2","1") = "9"
    & skf18("1","4","7","7","10","3","1") = "9"
    & skf18("1","4","7","7","10","4","1") = "9"
    & skf18("1","4","7","7","10","5","1") = "9"
    & skf18("1","4","7","7","10","6","1") = "9"
    & skf18("1","4","7","7","10","7","1") = "9"
    & skf18("1","4","7","7","10","8","1") = "9"
    & skf18("1","4","7","7","10","9","1") = "9"
    & skf18("1","4","7","7","10","10","1") = "9"
    & skf18("1","4","7","8","1","1","1") = "7"
    & skf18("1","4","7","8","1","2","1") = "7"
    & skf18("1","4","7","8","1","3","1") = "7"
    & skf18("1","4","7","8","1","4","1") = "7"
    & skf18("1","4","7","8","1","5","1") = "7"
    & skf18("1","4","7","8","1","6","1") = "7"
    & skf18("1","4","7","8","1","7","1") = "7"
    & skf18("1","4","7","8","1","8","1") = "7"
    & skf18("1","4","7","8","1","9","1") = "8"
    & skf18("1","4","7","8","1","10","1") = "9"
    & skf18("1","4","7","8","2","1","1") = "7"
    & skf18("1","4","7","8","2","2","1") = "7"
    & skf18("1","4","7","8","2","3","1") = "7"
    & skf18("1","4","7","8","2","4","1") = "7"
    & skf18("1","4","7","8","2","5","1") = "7"
    & skf18("1","4","7","8","2","6","1") = "7"
    & skf18("1","4","7","8","2","7","1") = "7"
    & skf18("1","4","7","8","2","8","1") = "7"
    & skf18("1","4","7","8","2","9","1") = "8"
    & skf18("1","4","7","8","2","10","1") = "9"
    & skf18("1","4","7","8","3","1","1") = "7"
    & skf18("1","4","7","8","3","2","1") = "7"
    & skf18("1","4","7","8","3","3","1") = "7"
    & skf18("1","4","7","8","3","4","1") = "7"
    & skf18("1","4","7","8","3","5","1") = "7"
    & skf18("1","4","7","8","3","6","1") = "7"
    & skf18("1","4","7","8","3","7","1") = "7"
    & skf18("1","4","7","8","3","8","1") = "7"
    & skf18("1","4","7","8","3","9","1") = "8"
    & skf18("1","4","7","8","3","10","1") = "9"
    & skf18("1","4","7","8","4","1","1") = "7"
    & skf18("1","4","7","8","4","2","1") = "7"
    & skf18("1","4","7","8","4","3","1") = "7"
    & skf18("1","4","7","8","4","4","1") = "7"
    & skf18("1","4","7","8","4","5","1") = "7"
    & skf18("1","4","7","8","4","6","1") = "7"
    & skf18("1","4","7","8","4","7","1") = "7"
    & skf18("1","4","7","8","4","8","1") = "7"
    & skf18("1","4","7","8","4","9","1") = "8"
    & skf18("1","4","7","8","4","10","1") = "9"
    & skf18("1","4","7","8","5","1","1") = "7"
    & skf18("1","4","7","8","5","2","1") = "7"
    & skf18("1","4","7","8","5","3","1") = "7"
    & skf18("1","4","7","8","5","4","1") = "7"
    & skf18("1","4","7","8","5","5","1") = "7"
    & skf18("1","4","7","8","5","6","1") = "7"
    & skf18("1","4","7","8","5","7","1") = "7"
    & skf18("1","4","7","8","5","8","1") = "7"
    & skf18("1","4","7","8","5","9","1") = "8"
    & skf18("1","4","7","8","5","10","1") = "9"
    & skf18("1","4","7","8","6","1","1") = "7"
    & skf18("1","4","7","8","6","2","1") = "7"
    & skf18("1","4","7","8","6","3","1") = "7"
    & skf18("1","4","7","8","6","4","1") = "7"
    & skf18("1","4","7","8","6","5","1") = "7"
    & skf18("1","4","7","8","6","6","1") = "7"
    & skf18("1","4","7","8","6","7","1") = "7"
    & skf18("1","4","7","8","6","8","1") = "7"
    & skf18("1","4","7","8","6","9","1") = "8"
    & skf18("1","4","7","8","6","10","1") = "9"
    & skf18("1","4","7","8","7","1","1") = "7"
    & skf18("1","4","7","8","7","2","1") = "7"
    & skf18("1","4","7","8","7","3","1") = "7"
    & skf18("1","4","7","8","7","4","1") = "7"
    & skf18("1","4","7","8","7","5","1") = "7"
    & skf18("1","4","7","8","7","6","1") = "7"
    & skf18("1","4","7","8","7","7","1") = "7"
    & skf18("1","4","7","8","7","8","1") = "7"
    & skf18("1","4","7","8","7","9","1") = "8"
    & skf18("1","4","7","8","7","10","1") = "9"
    & skf18("1","4","7","8","8","1","1") = "7"
    & skf18("1","4","7","8","8","2","1") = "7"
    & skf18("1","4","7","8","8","3","1") = "7"
    & skf18("1","4","7","8","8","4","1") = "7"
    & skf18("1","4","7","8","8","5","1") = "7"
    & skf18("1","4","7","8","8","6","1") = "7"
    & skf18("1","4","7","8","8","7","1") = "7"
    & skf18("1","4","7","8","8","8","1") = "7"
    & skf18("1","4","7","8","8","9","1") = "8"
    & skf18("1","4","7","8","8","10","1") = "9"
    & skf18("1","4","7","8","9","1","1") = "8"
    & skf18("1","4","7","8","9","2","1") = "8"
    & skf18("1","4","7","8","9","3","1") = "8"
    & skf18("1","4","7","8","9","4","1") = "8"
    & skf18("1","4","7","8","9","5","1") = "8"
    & skf18("1","4","7","8","9","6","1") = "8"
    & skf18("1","4","7","8","9","7","1") = "8"
    & skf18("1","4","7","8","9","8","1") = "8"
    & skf18("1","4","7","8","9","9","1") = "8"
    & skf18("1","4","7","8","9","10","1") = "9"
    & skf18("1","4","7","8","10","1","1") = "9"
    & skf18("1","4","7","8","10","2","1") = "9"
    & skf18("1","4","7","8","10","3","1") = "9"
    & skf18("1","4","7","8","10","4","1") = "9"
    & skf18("1","4","7","8","10","5","1") = "9"
    & skf18("1","4","7","8","10","6","1") = "9"
    & skf18("1","4","7","8","10","7","1") = "9"
    & skf18("1","4","7","8","10","8","1") = "9"
    & skf18("1","4","7","8","10","9","1") = "9"
    & skf18("1","4","7","8","10","10","1") = "9"
    & skf18("1","4","7","9","1","1","1") = "8"
    & skf18("1","4","7","9","1","2","1") = "8"
    & skf18("1","4","7","9","1","3","1") = "8"
    & skf18("1","4","7","9","1","4","1") = "8"
    & skf18("1","4","7","9","1","5","1") = "8"
    & skf18("1","4","7","9","1","6","1") = "8"
    & skf18("1","4","7","9","1","7","1") = "8"
    & skf18("1","4","7","9","1","8","1") = "8"
    & skf18("1","4","7","9","1","9","1") = "8"
    & skf18("1","4","7","9","1","10","1") = "9"
    & skf18("1","4","7","9","2","1","1") = "8"
    & skf18("1","4","7","9","2","2","1") = "8"
    & skf18("1","4","7","9","2","3","1") = "8"
    & skf18("1","4","7","9","2","4","1") = "8"
    & skf18("1","4","7","9","2","5","1") = "8"
    & skf18("1","4","7","9","2","6","1") = "8"
    & skf18("1","4","7","9","2","7","1") = "8"
    & skf18("1","4","7","9","2","8","1") = "8"
    & skf18("1","4","7","9","2","9","1") = "8"
    & skf18("1","4","7","9","2","10","1") = "9"
    & skf18("1","4","7","9","3","1","1") = "8"
    & skf18("1","4","7","9","3","2","1") = "8"
    & skf18("1","4","7","9","3","3","1") = "8"
    & skf18("1","4","7","9","3","4","1") = "8"
    & skf18("1","4","7","9","3","5","1") = "8"
    & skf18("1","4","7","9","3","6","1") = "8"
    & skf18("1","4","7","9","3","7","1") = "8"
    & skf18("1","4","7","9","3","8","1") = "8"
    & skf18("1","4","7","9","3","9","1") = "8"
    & skf18("1","4","7","9","3","10","1") = "9"
    & skf18("1","4","7","9","4","1","1") = "8"
    & skf18("1","4","7","9","4","2","1") = "8"
    & skf18("1","4","7","9","4","3","1") = "8"
    & skf18("1","4","7","9","4","4","1") = "8"
    & skf18("1","4","7","9","4","5","1") = "8"
    & skf18("1","4","7","9","4","6","1") = "8"
    & skf18("1","4","7","9","4","7","1") = "8"
    & skf18("1","4","7","9","4","8","1") = "8"
    & skf18("1","4","7","9","4","9","1") = "8"
    & skf18("1","4","7","9","4","10","1") = "9"
    & skf18("1","4","7","9","5","1","1") = "8"
    & skf18("1","4","7","9","5","2","1") = "8"
    & skf18("1","4","7","9","5","3","1") = "8"
    & skf18("1","4","7","9","5","4","1") = "8"
    & skf18("1","4","7","9","5","5","1") = "8"
    & skf18("1","4","7","9","5","6","1") = "8"
    & skf18("1","4","7","9","5","7","1") = "8"
    & skf18("1","4","7","9","5","8","1") = "8"
    & skf18("1","4","7","9","5","9","1") = "8"
    & skf18("1","4","7","9","5","10","1") = "9"
    & skf18("1","4","7","9","6","1","1") = "8"
    & skf18("1","4","7","9","6","2","1") = "8"
    & skf18("1","4","7","9","6","3","1") = "8"
    & skf18("1","4","7","9","6","4","1") = "8"
    & skf18("1","4","7","9","6","5","1") = "8"
    & skf18("1","4","7","9","6","6","1") = "8"
    & skf18("1","4","7","9","6","7","1") = "8"
    & skf18("1","4","7","9","6","8","1") = "8"
    & skf18("1","4","7","9","6","9","1") = "8"
    & skf18("1","4","7","9","6","10","1") = "9"
    & skf18("1","4","7","9","7","1","1") = "8"
    & skf18("1","4","7","9","7","2","1") = "8"
    & skf18("1","4","7","9","7","3","1") = "8"
    & skf18("1","4","7","9","7","4","1") = "8"
    & skf18("1","4","7","9","7","5","1") = "8"
    & skf18("1","4","7","9","7","6","1") = "8"
    & skf18("1","4","7","9","7","7","1") = "8"
    & skf18("1","4","7","9","7","8","1") = "8"
    & skf18("1","4","7","9","7","9","1") = "8"
    & skf18("1","4","7","9","7","10","1") = "9"
    & skf18("1","4","7","9","8","1","1") = "8"
    & skf18("1","4","7","9","8","2","1") = "8"
    & skf18("1","4","7","9","8","3","1") = "8"
    & skf18("1","4","7","9","8","4","1") = "8"
    & skf18("1","4","7","9","8","5","1") = "8"
    & skf18("1","4","7","9","8","6","1") = "8"
    & skf18("1","4","7","9","8","7","1") = "8"
    & skf18("1","4","7","9","8","8","1") = "8"
    & skf18("1","4","7","9","8","9","1") = "8"
    & skf18("1","4","7","9","8","10","1") = "9"
    & skf18("1","4","7","9","9","1","1") = "8"
    & skf18("1","4","7","9","9","2","1") = "8"
    & skf18("1","4","7","9","9","3","1") = "8"
    & skf18("1","4","7","9","9","4","1") = "8"
    & skf18("1","4","7","9","9","5","1") = "8"
    & skf18("1","4","7","9","9","6","1") = "8"
    & skf18("1","4","7","9","9","7","1") = "8"
    & skf18("1","4","7","9","9","8","1") = "8"
    & skf18("1","4","7","9","9","9","1") = "8"
    & skf18("1","4","7","9","9","10","1") = "9"
    & skf18("1","4","7","9","10","1","1") = "9"
    & skf18("1","4","7","9","10","2","1") = "9"
    & skf18("1","4","7","9","10","3","1") = "9"
    & skf18("1","4","7","9","10","4","1") = "9"
    & skf18("1","4","7","9","10","5","1") = "9"
    & skf18("1","4","7","9","10","6","1") = "9"
    & skf18("1","4","7","9","10","7","1") = "9"
    & skf18("1","4","7","9","10","8","1") = "9"
    & skf18("1","4","7","9","10","9","1") = "9"
    & skf18("1","4","7","9","10","10","1") = "9"
    & skf18("1","4","7","10","1","1","1") = "9"
    & skf18("1","4","7","10","1","2","1") = "9"
    & skf18("1","4","7","10","1","3","1") = "9"
    & skf18("1","4","7","10","1","4","1") = "9"
    & skf18("1","4","7","10","1","5","1") = "9"
    & skf18("1","4","7","10","1","6","1") = "9"
    & skf18("1","4","7","10","1","7","1") = "9"
    & skf18("1","4","7","10","1","8","1") = "9"
    & skf18("1","4","7","10","1","9","1") = "9"
    & skf18("1","4","7","10","1","10","1") = "9"
    & skf18("1","4","7","10","2","1","1") = "9"
    & skf18("1","4","7","10","2","2","1") = "9"
    & skf18("1","4","7","10","2","3","1") = "9"
    & skf18("1","4","7","10","2","4","1") = "9"
    & skf18("1","4","7","10","2","5","1") = "9"
    & skf18("1","4","7","10","2","6","1") = "9"
    & skf18("1","4","7","10","2","7","1") = "9"
    & skf18("1","4","7","10","2","8","1") = "9"
    & skf18("1","4","7","10","2","9","1") = "9"
    & skf18("1","4","7","10","2","10","1") = "9"
    & skf18("1","4","7","10","3","1","1") = "9"
    & skf18("1","4","7","10","3","2","1") = "9"
    & skf18("1","4","7","10","3","3","1") = "9"
    & skf18("1","4","7","10","3","4","1") = "9"
    & skf18("1","4","7","10","3","5","1") = "9"
    & skf18("1","4","7","10","3","6","1") = "9"
    & skf18("1","4","7","10","3","7","1") = "9"
    & skf18("1","4","7","10","3","8","1") = "9"
    & skf18("1","4","7","10","3","9","1") = "9"
    & skf18("1","4","7","10","3","10","1") = "9"
    & skf18("1","4","7","10","4","1","1") = "9"
    & skf18("1","4","7","10","4","2","1") = "9"
    & skf18("1","4","7","10","4","3","1") = "9"
    & skf18("1","4","7","10","4","4","1") = "9"
    & skf18("1","4","7","10","4","5","1") = "9"
    & skf18("1","4","7","10","4","6","1") = "9"
    & skf18("1","4","7","10","4","7","1") = "9"
    & skf18("1","4","7","10","4","8","1") = "9"
    & skf18("1","4","7","10","4","9","1") = "9"
    & skf18("1","4","7","10","4","10","1") = "9"
    & skf18("1","4","7","10","5","1","1") = "9"
    & skf18("1","4","7","10","5","2","1") = "9"
    & skf18("1","4","7","10","5","3","1") = "9"
    & skf18("1","4","7","10","5","4","1") = "9"
    & skf18("1","4","7","10","5","5","1") = "9"
    & skf18("1","4","7","10","5","6","1") = "9"
    & skf18("1","4","7","10","5","7","1") = "9"
    & skf18("1","4","7","10","5","8","1") = "9"
    & skf18("1","4","7","10","5","9","1") = "9"
    & skf18("1","4","7","10","5","10","1") = "9"
    & skf18("1","4","7","10","6","1","1") = "9"
    & skf18("1","4","7","10","6","2","1") = "9"
    & skf18("1","4","7","10","6","3","1") = "9"
    & skf18("1","4","7","10","6","4","1") = "9"
    & skf18("1","4","7","10","6","5","1") = "9"
    & skf18("1","4","7","10","6","6","1") = "9"
    & skf18("1","4","7","10","6","7","1") = "9"
    & skf18("1","4","7","10","6","8","1") = "9"
    & skf18("1","4","7","10","6","9","1") = "9"
    & skf18("1","4","7","10","6","10","1") = "9"
    & skf18("1","4","7","10","7","1","1") = "9"
    & skf18("1","4","7","10","7","2","1") = "9"
    & skf18("1","4","7","10","7","3","1") = "9"
    & skf18("1","4","7","10","7","4","1") = "9"
    & skf18("1","4","7","10","7","5","1") = "9"
    & skf18("1","4","7","10","7","6","1") = "9"
    & skf18("1","4","7","10","7","7","1") = "9"
    & skf18("1","4","7","10","7","8","1") = "9"
    & skf18("1","4","7","10","7","9","1") = "9"
    & skf18("1","4","7","10","7","10","1") = "9"
    & skf18("1","4","7","10","8","1","1") = "9"
    & skf18("1","4","7","10","8","2","1") = "9"
    & skf18("1","4","7","10","8","3","1") = "9"
    & skf18("1","4","7","10","8","4","1") = "9"
    & skf18("1","4","7","10","8","5","1") = "9"
    & skf18("1","4","7","10","8","6","1") = "9"
    & skf18("1","4","7","10","8","7","1") = "9"
    & skf18("1","4","7","10","8","8","1") = "9"
    & skf18("1","4","7","10","8","9","1") = "9"
    & skf18("1","4","7","10","8","10","1") = "9"
    & skf18("1","4","7","10","9","1","1") = "9"
    & skf18("1","4","7","10","9","2","1") = "9"
    & skf18("1","4","7","10","9","3","1") = "9"
    & skf18("1","4","7","10","9","4","1") = "9"
    & skf18("1","4","7","10","9","5","1") = "9"
    & skf18("1","4","7","10","9","6","1") = "9"
    & skf18("1","4","7","10","9","7","1") = "9"
    & skf18("1","4","7","10","9","8","1") = "9"
    & skf18("1","4","7","10","9","9","1") = "9"
    & skf18("1","4","7","10","9","10","1") = "9"
    & skf18("1","4","7","10","10","1","1") = "9"
    & skf18("1","4","7","10","10","2","1") = "9"
    & skf18("1","4","7","10","10","3","1") = "9"
    & skf18("1","4","7","10","10","4","1") = "9"
    & skf18("1","4","7","10","10","5","1") = "9"
    & skf18("1","4","7","10","10","6","1") = "9"
    & skf18("1","4","7","10","10","7","1") = "9"
    & skf18("1","4","7","10","10","8","1") = "9"
    & skf18("1","4","7","10","10","9","1") = "9"
    & skf18("1","4","7","10","10","10","1") = "9"
    & skf18("1","4","8","1","1","1","1") = "7"
    & skf18("1","4","8","1","1","2","1") = "7"
    & skf18("1","4","8","1","1","3","1") = "7"
    & skf18("1","4","8","1","1","4","1") = "7"
    & skf18("1","4","8","1","1","5","1") = "7"
    & skf18("1","4","8","1","1","6","1") = "7"
    & skf18("1","4","8","1","1","7","1") = "7"
    & skf18("1","4","8","1","1","8","1") = "7"
    & skf18("1","4","8","1","1","9","1") = "8"
    & skf18("1","4","8","1","1","10","1") = "9"
    & skf18("1","4","8","1","2","1","1") = "7"
    & skf18("1","4","8","1","2","2","1") = "7"
    & skf18("1","4","8","1","2","3","1") = "7"
    & skf18("1","4","8","1","2","4","1") = "7"
    & skf18("1","4","8","1","2","5","1") = "7"
    & skf18("1","4","8","1","2","6","1") = "7"
    & skf18("1","4","8","1","2","7","1") = "7"
    & skf18("1","4","8","1","2","8","1") = "7"
    & skf18("1","4","8","1","2","9","1") = "8"
    & skf18("1","4","8","1","2","10","1") = "9"
    & skf18("1","4","8","1","3","1","1") = "7"
    & skf18("1","4","8","1","3","2","1") = "7"
    & skf18("1","4","8","1","3","3","1") = "7"
    & skf18("1","4","8","1","3","4","1") = "7"
    & skf18("1","4","8","1","3","5","1") = "7"
    & skf18("1","4","8","1","3","6","1") = "7"
    & skf18("1","4","8","1","3","7","1") = "7"
    & skf18("1","4","8","1","3","8","1") = "7"
    & skf18("1","4","8","1","3","9","1") = "8"
    & skf18("1","4","8","1","3","10","1") = "9"
    & skf18("1","4","8","1","4","1","1") = "7"
    & skf18("1","4","8","1","4","2","1") = "7"
    & skf18("1","4","8","1","4","3","1") = "7"
    & skf18("1","4","8","1","4","4","1") = "7"
    & skf18("1","4","8","1","4","5","1") = "7"
    & skf18("1","4","8","1","4","6","1") = "7"
    & skf18("1","4","8","1","4","7","1") = "7"
    & skf18("1","4","8","1","4","8","1") = "7"
    & skf18("1","4","8","1","4","9","1") = "8"
    & skf18("1","4","8","1","4","10","1") = "9"
    & skf18("1","4","8","1","5","1","1") = "7"
    & skf18("1","4","8","1","5","2","1") = "7"
    & skf18("1","4","8","1","5","3","1") = "7"
    & skf18("1","4","8","1","5","4","1") = "7"
    & skf18("1","4","8","1","5","5","1") = "7"
    & skf18("1","4","8","1","5","6","1") = "7"
    & skf18("1","4","8","1","5","7","1") = "7"
    & skf18("1","4","8","1","5","8","1") = "7"
    & skf18("1","4","8","1","5","9","1") = "8"
    & skf18("1","4","8","1","5","10","1") = "9"
    & skf18("1","4","8","1","6","1","1") = "7"
    & skf18("1","4","8","1","6","2","1") = "7"
    & skf18("1","4","8","1","6","3","1") = "7"
    & skf18("1","4","8","1","6","4","1") = "7"
    & skf18("1","4","8","1","6","5","1") = "7"
    & skf18("1","4","8","1","6","6","1") = "7"
    & skf18("1","4","8","1","6","7","1") = "7"
    & skf18("1","4","8","1","6","8","1") = "7"
    & skf18("1","4","8","1","6","9","1") = "8"
    & skf18("1","4","8","1","6","10","1") = "9"
    & skf18("1","4","8","1","7","1","1") = "7"
    & skf18("1","4","8","1","7","2","1") = "7"
    & skf18("1","4","8","1","7","3","1") = "7"
    & skf18("1","4","8","1","7","4","1") = "7"
    & skf18("1","4","8","1","7","5","1") = "7"
    & skf18("1","4","8","1","7","6","1") = "7"
    & skf18("1","4","8","1","7","7","1") = "7"
    & skf18("1","4","8","1","7","8","1") = "7"
    & skf18("1","4","8","1","7","9","1") = "8"
    & skf18("1","4","8","1","7","10","1") = "9"
    & skf18("1","4","8","1","8","1","1") = "7"
    & skf18("1","4","8","1","8","2","1") = "7"
    & skf18("1","4","8","1","8","3","1") = "7"
    & skf18("1","4","8","1","8","4","1") = "7"
    & skf18("1","4","8","1","8","5","1") = "7"
    & skf18("1","4","8","1","8","6","1") = "7"
    & skf18("1","4","8","1","8","7","1") = "7"
    & skf18("1","4","8","1","8","8","1") = "7"
    & skf18("1","4","8","1","8","9","1") = "8"
    & skf18("1","4","8","1","8","10","1") = "9"
    & skf18("1","4","8","1","9","1","1") = "8"
    & skf18("1","4","8","1","9","2","1") = "8"
    & skf18("1","4","8","1","9","3","1") = "8"
    & skf18("1","4","8","1","9","4","1") = "8"
    & skf18("1","4","8","1","9","5","1") = "8"
    & skf18("1","4","8","1","9","6","1") = "8"
    & skf18("1","4","8","1","9","7","1") = "8"
    & skf18("1","4","8","1","9","8","1") = "8"
    & skf18("1","4","8","1","9","9","1") = "8"
    & skf18("1","4","8","1","9","10","1") = "9"
    & skf18("1","4","8","1","10","1","1") = "9"
    & skf18("1","4","8","1","10","2","1") = "9"
    & skf18("1","4","8","1","10","3","1") = "9"
    & skf18("1","4","8","1","10","4","1") = "9"
    & skf18("1","4","8","1","10","5","1") = "9"
    & skf18("1","4","8","1","10","6","1") = "9"
    & skf18("1","4","8","1","10","7","1") = "9"
    & skf18("1","4","8","1","10","8","1") = "9"
    & skf18("1","4","8","1","10","9","1") = "9"
    & skf18("1","4","8","1","10","10","1") = "9"
    & skf18("1","4","8","2","1","1","1") = "7"
    & skf18("1","4","8","2","1","2","1") = "7"
    & skf18("1","4","8","2","1","3","1") = "7"
    & skf18("1","4","8","2","1","4","1") = "7"
    & skf18("1","4","8","2","1","5","1") = "7"
    & skf18("1","4","8","2","1","6","1") = "7"
    & skf18("1","4","8","2","1","7","1") = "7"
    & skf18("1","4","8","2","1","8","1") = "7"
    & skf18("1","4","8","2","1","9","1") = "8"
    & skf18("1","4","8","2","1","10","1") = "9"
    & skf18("1","4","8","2","2","1","1") = "7"
    & skf18("1","4","8","2","2","2","1") = "7"
    & skf18("1","4","8","2","2","3","1") = "7"
    & skf18("1","4","8","2","2","4","1") = "7"
    & skf18("1","4","8","2","2","5","1") = "7"
    & skf18("1","4","8","2","2","6","1") = "7"
    & skf18("1","4","8","2","2","7","1") = "7"
    & skf18("1","4","8","2","2","8","1") = "7"
    & skf18("1","4","8","2","2","9","1") = "8"
    & skf18("1","4","8","2","2","10","1") = "9"
    & skf18("1","4","8","2","3","1","1") = "7"
    & skf18("1","4","8","2","3","2","1") = "7"
    & skf18("1","4","8","2","3","3","1") = "7"
    & skf18("1","4","8","2","3","4","1") = "7"
    & skf18("1","4","8","2","3","5","1") = "7"
    & skf18("1","4","8","2","3","6","1") = "7"
    & skf18("1","4","8","2","3","7","1") = "7"
    & skf18("1","4","8","2","3","8","1") = "7"
    & skf18("1","4","8","2","3","9","1") = "8"
    & skf18("1","4","8","2","3","10","1") = "9"
    & skf18("1","4","8","2","4","1","1") = "7"
    & skf18("1","4","8","2","4","2","1") = "7"
    & skf18("1","4","8","2","4","3","1") = "7"
    & skf18("1","4","8","2","4","4","1") = "7"
    & skf18("1","4","8","2","4","5","1") = "7"
    & skf18("1","4","8","2","4","6","1") = "7"
    & skf18("1","4","8","2","4","7","1") = "7"
    & skf18("1","4","8","2","4","8","1") = "7"
    & skf18("1","4","8","2","4","9","1") = "8"
    & skf18("1","4","8","2","4","10","1") = "9"
    & skf18("1","4","8","2","5","1","1") = "7"
    & skf18("1","4","8","2","5","2","1") = "7"
    & skf18("1","4","8","2","5","3","1") = "7"
    & skf18("1","4","8","2","5","4","1") = "7"
    & skf18("1","4","8","2","5","5","1") = "7"
    & skf18("1","4","8","2","5","6","1") = "7"
    & skf18("1","4","8","2","5","7","1") = "7"
    & skf18("1","4","8","2","5","8","1") = "7"
    & skf18("1","4","8","2","5","9","1") = "8"
    & skf18("1","4","8","2","5","10","1") = "9"
    & skf18("1","4","8","2","6","1","1") = "7"
    & skf18("1","4","8","2","6","2","1") = "7"
    & skf18("1","4","8","2","6","3","1") = "7"
    & skf18("1","4","8","2","6","4","1") = "7"
    & skf18("1","4","8","2","6","5","1") = "7"
    & skf18("1","4","8","2","6","6","1") = "7"
    & skf18("1","4","8","2","6","7","1") = "7"
    & skf18("1","4","8","2","6","8","1") = "7"
    & skf18("1","4","8","2","6","9","1") = "8"
    & skf18("1","4","8","2","6","10","1") = "9"
    & skf18("1","4","8","2","7","1","1") = "7"
    & skf18("1","4","8","2","7","2","1") = "7"
    & skf18("1","4","8","2","7","3","1") = "7"
    & skf18("1","4","8","2","7","4","1") = "7"
    & skf18("1","4","8","2","7","5","1") = "7"
    & skf18("1","4","8","2","7","6","1") = "7"
    & skf18("1","4","8","2","7","7","1") = "7"
    & skf18("1","4","8","2","7","8","1") = "7"
    & skf18("1","4","8","2","7","9","1") = "8"
    & skf18("1","4","8","2","7","10","1") = "9"
    & skf18("1","4","8","2","8","1","1") = "7"
    & skf18("1","4","8","2","8","2","1") = "7"
    & skf18("1","4","8","2","8","3","1") = "7"
    & skf18("1","4","8","2","8","4","1") = "7"
    & skf18("1","4","8","2","8","5","1") = "7"
    & skf18("1","4","8","2","8","6","1") = "7"
    & skf18("1","4","8","2","8","7","1") = "7"
    & skf18("1","4","8","2","8","8","1") = "7"
    & skf18("1","4","8","2","8","9","1") = "8"
    & skf18("1","4","8","2","8","10","1") = "9"
    & skf18("1","4","8","2","9","1","1") = "8"
    & skf18("1","4","8","2","9","2","1") = "8"
    & skf18("1","4","8","2","9","3","1") = "8"
    & skf18("1","4","8","2","9","4","1") = "8"
    & skf18("1","4","8","2","9","5","1") = "8"
    & skf18("1","4","8","2","9","6","1") = "8"
    & skf18("1","4","8","2","9","7","1") = "8"
    & skf18("1","4","8","2","9","8","1") = "8"
    & skf18("1","4","8","2","9","9","1") = "8"
    & skf18("1","4","8","2","9","10","1") = "9"
    & skf18("1","4","8","2","10","1","1") = "9"
    & skf18("1","4","8","2","10","2","1") = "9"
    & skf18("1","4","8","2","10","3","1") = "9"
    & skf18("1","4","8","2","10","4","1") = "9"
    & skf18("1","4","8","2","10","5","1") = "9"
    & skf18("1","4","8","2","10","6","1") = "9"
    & skf18("1","4","8","2","10","7","1") = "9"
    & skf18("1","4","8","2","10","8","1") = "9"
    & skf18("1","4","8","2","10","9","1") = "9"
    & skf18("1","4","8","2","10","10","1") = "9"
    & skf18("1","4","8","3","1","1","1") = "7"
    & skf18("1","4","8","3","1","2","1") = "7"
    & skf18("1","4","8","3","1","3","1") = "7"
    & skf18("1","4","8","3","1","4","1") = "7"
    & skf18("1","4","8","3","1","5","1") = "7"
    & skf18("1","4","8","3","1","6","1") = "7"
    & skf18("1","4","8","3","1","7","1") = "7"
    & skf18("1","4","8","3","1","8","1") = "7"
    & skf18("1","4","8","3","1","9","1") = "8"
    & skf18("1","4","8","3","1","10","1") = "9"
    & skf18("1","4","8","3","2","1","1") = "7"
    & skf18("1","4","8","3","2","2","1") = "7"
    & skf18("1","4","8","3","2","3","1") = "7"
    & skf18("1","4","8","3","2","4","1") = "7"
    & skf18("1","4","8","3","2","5","1") = "7"
    & skf18("1","4","8","3","2","6","1") = "7"
    & skf18("1","4","8","3","2","7","1") = "7"
    & skf18("1","4","8","3","2","8","1") = "7"
    & skf18("1","4","8","3","2","9","1") = "8"
    & skf18("1","4","8","3","2","10","1") = "9"
    & skf18("1","4","8","3","3","1","1") = "7"
    & skf18("1","4","8","3","3","2","1") = "7"
    & skf18("1","4","8","3","3","3","1") = "7"
    & skf18("1","4","8","3","3","4","1") = "7"
    & skf18("1","4","8","3","3","5","1") = "7"
    & skf18("1","4","8","3","3","6","1") = "7"
    & skf18("1","4","8","3","3","7","1") = "7"
    & skf18("1","4","8","3","3","8","1") = "7"
    & skf18("1","4","8","3","3","9","1") = "8"
    & skf18("1","4","8","3","3","10","1") = "9"
    & skf18("1","4","8","3","4","1","1") = "7"
    & skf18("1","4","8","3","4","2","1") = "7"
    & skf18("1","4","8","3","4","3","1") = "7"
    & skf18("1","4","8","3","4","4","1") = "7"
    & skf18("1","4","8","3","4","5","1") = "7"
    & skf18("1","4","8","3","4","6","1") = "7"
    & skf18("1","4","8","3","4","7","1") = "7"
    & skf18("1","4","8","3","4","8","1") = "7"
    & skf18("1","4","8","3","4","9","1") = "8"
    & skf18("1","4","8","3","4","10","1") = "9"
    & skf18("1","4","8","3","5","1","1") = "7"
    & skf18("1","4","8","3","5","2","1") = "7"
    & skf18("1","4","8","3","5","3","1") = "7"
    & skf18("1","4","8","3","5","4","1") = "7"
    & skf18("1","4","8","3","5","5","1") = "7"
    & skf18("1","4","8","3","5","6","1") = "7"
    & skf18("1","4","8","3","5","7","1") = "7"
    & skf18("1","4","8","3","5","8","1") = "7"
    & skf18("1","4","8","3","5","9","1") = "8"
    & skf18("1","4","8","3","5","10","1") = "9"
    & skf18("1","4","8","3","6","1","1") = "7"
    & skf18("1","4","8","3","6","2","1") = "7"
    & skf18("1","4","8","3","6","3","1") = "7"
    & skf18("1","4","8","3","6","4","1") = "7"
    & skf18("1","4","8","3","6","5","1") = "7"
    & skf18("1","4","8","3","6","6","1") = "7"
    & skf18("1","4","8","3","6","7","1") = "7"
    & skf18("1","4","8","3","6","8","1") = "7"
    & skf18("1","4","8","3","6","9","1") = "8"
    & skf18("1","4","8","3","6","10","1") = "9"
    & skf18("1","4","8","3","7","1","1") = "7"
    & skf18("1","4","8","3","7","2","1") = "7"
    & skf18("1","4","8","3","7","3","1") = "7"
    & skf18("1","4","8","3","7","4","1") = "7"
    & skf18("1","4","8","3","7","5","1") = "7"
    & skf18("1","4","8","3","7","6","1") = "7"
    & skf18("1","4","8","3","7","7","1") = "7"
    & skf18("1","4","8","3","7","8","1") = "7"
    & skf18("1","4","8","3","7","9","1") = "8"
    & skf18("1","4","8","3","7","10","1") = "9"
    & skf18("1","4","8","3","8","1","1") = "7"
    & skf18("1","4","8","3","8","2","1") = "7"
    & skf18("1","4","8","3","8","3","1") = "7"
    & skf18("1","4","8","3","8","4","1") = "7"
    & skf18("1","4","8","3","8","5","1") = "7"
    & skf18("1","4","8","3","8","6","1") = "7"
    & skf18("1","4","8","3","8","7","1") = "7"
    & skf18("1","4","8","3","8","8","1") = "7"
    & skf18("1","4","8","3","8","9","1") = "8"
    & skf18("1","4","8","3","8","10","1") = "9"
    & skf18("1","4","8","3","9","1","1") = "8"
    & skf18("1","4","8","3","9","2","1") = "8"
    & skf18("1","4","8","3","9","3","1") = "8"
    & skf18("1","4","8","3","9","4","1") = "8"
    & skf18("1","4","8","3","9","5","1") = "8"
    & skf18("1","4","8","3","9","6","1") = "8"
    & skf18("1","4","8","3","9","7","1") = "8"
    & skf18("1","4","8","3","9","8","1") = "8"
    & skf18("1","4","8","3","9","9","1") = "8"
    & skf18("1","4","8","3","9","10","1") = "9"
    & skf18("1","4","8","3","10","1","1") = "9"
    & skf18("1","4","8","3","10","2","1") = "9"
    & skf18("1","4","8","3","10","3","1") = "9"
    & skf18("1","4","8","3","10","4","1") = "9"
    & skf18("1","4","8","3","10","5","1") = "9"
    & skf18("1","4","8","3","10","6","1") = "9"
    & skf18("1","4","8","3","10","7","1") = "9"
    & skf18("1","4","8","3","10","8","1") = "9"
    & skf18("1","4","8","3","10","9","1") = "9"
    & skf18("1","4","8","3","10","10","1") = "9"
    & skf18("1","4","8","4","1","1","1") = "7"
    & skf18("1","4","8","4","1","2","1") = "7"
    & skf18("1","4","8","4","1","3","1") = "7"
    & skf18("1","4","8","4","1","4","1") = "7"
    & skf18("1","4","8","4","1","5","1") = "7"
    & skf18("1","4","8","4","1","6","1") = "7"
    & skf18("1","4","8","4","1","7","1") = "7"
    & skf18("1","4","8","4","1","8","1") = "7"
    & skf18("1","4","8","4","1","9","1") = "8"
    & skf18("1","4","8","4","1","10","1") = "9"
    & skf18("1","4","8","4","2","1","1") = "7"
    & skf18("1","4","8","4","2","2","1") = "7"
    & skf18("1","4","8","4","2","3","1") = "7"
    & skf18("1","4","8","4","2","4","1") = "7"
    & skf18("1","4","8","4","2","5","1") = "7"
    & skf18("1","4","8","4","2","6","1") = "7"
    & skf18("1","4","8","4","2","7","1") = "7"
    & skf18("1","4","8","4","2","8","1") = "7"
    & skf18("1","4","8","4","2","9","1") = "8"
    & skf18("1","4","8","4","2","10","1") = "9"
    & skf18("1","4","8","4","3","1","1") = "7"
    & skf18("1","4","8","4","3","2","1") = "7"
    & skf18("1","4","8","4","3","3","1") = "7"
    & skf18("1","4","8","4","3","4","1") = "7"
    & skf18("1","4","8","4","3","5","1") = "7"
    & skf18("1","4","8","4","3","6","1") = "7"
    & skf18("1","4","8","4","3","7","1") = "7"
    & skf18("1","4","8","4","3","8","1") = "7"
    & skf18("1","4","8","4","3","9","1") = "8"
    & skf18("1","4","8","4","3","10","1") = "9"
    & skf18("1","4","8","4","4","1","1") = "7"
    & skf18("1","4","8","4","4","2","1") = "7"
    & skf18("1","4","8","4","4","3","1") = "7"
    & skf18("1","4","8","4","4","4","1") = "7"
    & skf18("1","4","8","4","4","5","1") = "7"
    & skf18("1","4","8","4","4","6","1") = "7"
    & skf18("1","4","8","4","4","7","1") = "7"
    & skf18("1","4","8","4","4","8","1") = "7"
    & skf18("1","4","8","4","4","9","1") = "8"
    & skf18("1","4","8","4","4","10","1") = "9"
    & skf18("1","4","8","4","5","1","1") = "7"
    & skf18("1","4","8","4","5","2","1") = "7"
    & skf18("1","4","8","4","5","3","1") = "7"
    & skf18("1","4","8","4","5","4","1") = "7"
    & skf18("1","4","8","4","5","5","1") = "7"
    & skf18("1","4","8","4","5","6","1") = "7"
    & skf18("1","4","8","4","5","7","1") = "7"
    & skf18("1","4","8","4","5","8","1") = "7"
    & skf18("1","4","8","4","5","9","1") = "8"
    & skf18("1","4","8","4","5","10","1") = "9"
    & skf18("1","4","8","4","6","1","1") = "7"
    & skf18("1","4","8","4","6","2","1") = "7"
    & skf18("1","4","8","4","6","3","1") = "7"
    & skf18("1","4","8","4","6","4","1") = "7"
    & skf18("1","4","8","4","6","5","1") = "7"
    & skf18("1","4","8","4","6","6","1") = "7"
    & skf18("1","4","8","4","6","7","1") = "7"
    & skf18("1","4","8","4","6","8","1") = "7"
    & skf18("1","4","8","4","6","9","1") = "8"
    & skf18("1","4","8","4","6","10","1") = "9"
    & skf18("1","4","8","4","7","1","1") = "7"
    & skf18("1","4","8","4","7","2","1") = "7"
    & skf18("1","4","8","4","7","3","1") = "7"
    & skf18("1","4","8","4","7","4","1") = "7"
    & skf18("1","4","8","4","7","5","1") = "7"
    & skf18("1","4","8","4","7","6","1") = "7"
    & skf18("1","4","8","4","7","7","1") = "7"
    & skf18("1","4","8","4","7","8","1") = "7"
    & skf18("1","4","8","4","7","9","1") = "8"
    & skf18("1","4","8","4","7","10","1") = "9"
    & skf18("1","4","8","4","8","1","1") = "7"
    & skf18("1","4","8","4","8","2","1") = "7"
    & skf18("1","4","8","4","8","3","1") = "7"
    & skf18("1","4","8","4","8","4","1") = "7"
    & skf18("1","4","8","4","8","5","1") = "7"
    & skf18("1","4","8","4","8","6","1") = "7"
    & skf18("1","4","8","4","8","7","1") = "7"
    & skf18("1","4","8","4","8","8","1") = "7"
    & skf18("1","4","8","4","8","9","1") = "8"
    & skf18("1","4","8","4","8","10","1") = "9"
    & skf18("1","4","8","4","9","1","1") = "8"
    & skf18("1","4","8","4","9","2","1") = "8"
    & skf18("1","4","8","4","9","3","1") = "8"
    & skf18("1","4","8","4","9","4","1") = "8"
    & skf18("1","4","8","4","9","5","1") = "8"
    & skf18("1","4","8","4","9","6","1") = "8"
    & skf18("1","4","8","4","9","7","1") = "8"
    & skf18("1","4","8","4","9","8","1") = "8"
    & skf18("1","4","8","4","9","9","1") = "8"
    & skf18("1","4","8","4","9","10","1") = "9"
    & skf18("1","4","8","4","10","1","1") = "9"
    & skf18("1","4","8","4","10","2","1") = "9"
    & skf18("1","4","8","4","10","3","1") = "9"
    & skf18("1","4","8","4","10","4","1") = "9"
    & skf18("1","4","8","4","10","5","1") = "9"
    & skf18("1","4","8","4","10","6","1") = "9"
    & skf18("1","4","8","4","10","7","1") = "9"
    & skf18("1","4","8","4","10","8","1") = "9"
    & skf18("1","4","8","4","10","9","1") = "9"
    & skf18("1","4","8","4","10","10","1") = "9"
    & skf18("1","4","8","5","1","1","1") = "7"
    & skf18("1","4","8","5","1","2","1") = "7"
    & skf18("1","4","8","5","1","3","1") = "7"
    & skf18("1","4","8","5","1","4","1") = "7"
    & skf18("1","4","8","5","1","5","1") = "7"
    & skf18("1","4","8","5","1","6","1") = "7"
    & skf18("1","4","8","5","1","7","1") = "7"
    & skf18("1","4","8","5","1","8","1") = "7"
    & skf18("1","4","8","5","1","9","1") = "8"
    & skf18("1","4","8","5","1","10","1") = "9"
    & skf18("1","4","8","5","2","1","1") = "7"
    & skf18("1","4","8","5","2","2","1") = "7"
    & skf18("1","4","8","5","2","3","1") = "7"
    & skf18("1","4","8","5","2","4","1") = "7"
    & skf18("1","4","8","5","2","5","1") = "7"
    & skf18("1","4","8","5","2","6","1") = "7"
    & skf18("1","4","8","5","2","7","1") = "7"
    & skf18("1","4","8","5","2","8","1") = "7"
    & skf18("1","4","8","5","2","9","1") = "8"
    & skf18("1","4","8","5","2","10","1") = "9"
    & skf18("1","4","8","5","3","1","1") = "7"
    & skf18("1","4","8","5","3","2","1") = "7"
    & skf18("1","4","8","5","3","3","1") = "7"
    & skf18("1","4","8","5","3","4","1") = "7"
    & skf18("1","4","8","5","3","5","1") = "7"
    & skf18("1","4","8","5","3","6","1") = "7"
    & skf18("1","4","8","5","3","7","1") = "7"
    & skf18("1","4","8","5","3","8","1") = "7"
    & skf18("1","4","8","5","3","9","1") = "8"
    & skf18("1","4","8","5","3","10","1") = "9"
    & skf18("1","4","8","5","4","1","1") = "7"
    & skf18("1","4","8","5","4","2","1") = "7"
    & skf18("1","4","8","5","4","3","1") = "7"
    & skf18("1","4","8","5","4","4","1") = "7"
    & skf18("1","4","8","5","4","5","1") = "7"
    & skf18("1","4","8","5","4","6","1") = "7"
    & skf18("1","4","8","5","4","7","1") = "7"
    & skf18("1","4","8","5","4","8","1") = "7"
    & skf18("1","4","8","5","4","9","1") = "8"
    & skf18("1","4","8","5","4","10","1") = "9"
    & skf18("1","4","8","5","5","1","1") = "7"
    & skf18("1","4","8","5","5","2","1") = "7"
    & skf18("1","4","8","5","5","3","1") = "7"
    & skf18("1","4","8","5","5","4","1") = "7"
    & skf18("1","4","8","5","5","5","1") = "7"
    & skf18("1","4","8","5","5","6","1") = "7"
    & skf18("1","4","8","5","5","7","1") = "7"
    & skf18("1","4","8","5","5","8","1") = "7"
    & skf18("1","4","8","5","5","9","1") = "8"
    & skf18("1","4","8","5","5","10","1") = "9"
    & skf18("1","4","8","5","6","1","1") = "7"
    & skf18("1","4","8","5","6","2","1") = "7"
    & skf18("1","4","8","5","6","3","1") = "7"
    & skf18("1","4","8","5","6","4","1") = "7"
    & skf18("1","4","8","5","6","5","1") = "7"
    & skf18("1","4","8","5","6","6","1") = "7"
    & skf18("1","4","8","5","6","7","1") = "7"
    & skf18("1","4","8","5","6","8","1") = "7"
    & skf18("1","4","8","5","6","9","1") = "8"
    & skf18("1","4","8","5","6","10","1") = "9"
    & skf18("1","4","8","5","7","1","1") = "7"
    & skf18("1","4","8","5","7","2","1") = "7"
    & skf18("1","4","8","5","7","3","1") = "7"
    & skf18("1","4","8","5","7","4","1") = "7"
    & skf18("1","4","8","5","7","5","1") = "7"
    & skf18("1","4","8","5","7","6","1") = "7"
    & skf18("1","4","8","5","7","7","1") = "7"
    & skf18("1","4","8","5","7","8","1") = "7"
    & skf18("1","4","8","5","7","9","1") = "8"
    & skf18("1","4","8","5","7","10","1") = "9"
    & skf18("1","4","8","5","8","1","1") = "7"
    & skf18("1","4","8","5","8","2","1") = "7"
    & skf18("1","4","8","5","8","3","1") = "7"
    & skf18("1","4","8","5","8","4","1") = "7"
    & skf18("1","4","8","5","8","5","1") = "7"
    & skf18("1","4","8","5","8","6","1") = "7"
    & skf18("1","4","8","5","8","7","1") = "7"
    & skf18("1","4","8","5","8","8","1") = "7"
    & skf18("1","4","8","5","8","9","1") = "8"
    & skf18("1","4","8","5","8","10","1") = "9"
    & skf18("1","4","8","5","9","1","1") = "8"
    & skf18("1","4","8","5","9","2","1") = "8"
    & skf18("1","4","8","5","9","3","1") = "8"
    & skf18("1","4","8","5","9","4","1") = "8"
    & skf18("1","4","8","5","9","5","1") = "8"
    & skf18("1","4","8","5","9","6","1") = "8"
    & skf18("1","4","8","5","9","7","1") = "8"
    & skf18("1","4","8","5","9","8","1") = "8"
    & skf18("1","4","8","5","9","9","1") = "8"
    & skf18("1","4","8","5","9","10","1") = "9"
    & skf18("1","4","8","5","10","1","1") = "9"
    & skf18("1","4","8","5","10","2","1") = "9"
    & skf18("1","4","8","5","10","3","1") = "9"
    & skf18("1","4","8","5","10","4","1") = "9"
    & skf18("1","4","8","5","10","5","1") = "9"
    & skf18("1","4","8","5","10","6","1") = "9"
    & skf18("1","4","8","5","10","7","1") = "9"
    & skf18("1","4","8","5","10","8","1") = "9"
    & skf18("1","4","8","5","10","9","1") = "9"
    & skf18("1","4","8","5","10","10","1") = "9"
    & skf18("1","4","8","6","1","1","1") = "7"
    & skf18("1","4","8","6","1","2","1") = "7"
    & skf18("1","4","8","6","1","3","1") = "7"
    & skf18("1","4","8","6","1","4","1") = "7"
    & skf18("1","4","8","6","1","5","1") = "7"
    & skf18("1","4","8","6","1","6","1") = "7"
    & skf18("1","4","8","6","1","7","1") = "7"
    & skf18("1","4","8","6","1","8","1") = "7"
    & skf18("1","4","8","6","1","9","1") = "8"
    & skf18("1","4","8","6","1","10","1") = "9"
    & skf18("1","4","8","6","2","1","1") = "7"
    & skf18("1","4","8","6","2","2","1") = "7"
    & skf18("1","4","8","6","2","3","1") = "7"
    & skf18("1","4","8","6","2","4","1") = "7"
    & skf18("1","4","8","6","2","5","1") = "7"
    & skf18("1","4","8","6","2","6","1") = "7"
    & skf18("1","4","8","6","2","7","1") = "7"
    & skf18("1","4","8","6","2","8","1") = "7"
    & skf18("1","4","8","6","2","9","1") = "8"
    & skf18("1","4","8","6","2","10","1") = "9"
    & skf18("1","4","8","6","3","1","1") = "7"
    & skf18("1","4","8","6","3","2","1") = "7"
    & skf18("1","4","8","6","3","3","1") = "7"
    & skf18("1","4","8","6","3","4","1") = "7"
    & skf18("1","4","8","6","3","5","1") = "7"
    & skf18("1","4","8","6","3","6","1") = "7"
    & skf18("1","4","8","6","3","7","1") = "7"
    & skf18("1","4","8","6","3","8","1") = "7"
    & skf18("1","4","8","6","3","9","1") = "8"
    & skf18("1","4","8","6","3","10","1") = "9"
    & skf18("1","4","8","6","4","1","1") = "7"
    & skf18("1","4","8","6","4","2","1") = "7"
    & skf18("1","4","8","6","4","3","1") = "7"
    & skf18("1","4","8","6","4","4","1") = "7"
    & skf18("1","4","8","6","4","5","1") = "7"
    & skf18("1","4","8","6","4","6","1") = "7"
    & skf18("1","4","8","6","4","7","1") = "7"
    & skf18("1","4","8","6","4","8","1") = "7"
    & skf18("1","4","8","6","4","9","1") = "8"
    & skf18("1","4","8","6","4","10","1") = "9"
    & skf18("1","4","8","6","5","1","1") = "7"
    & skf18("1","4","8","6","5","2","1") = "7"
    & skf18("1","4","8","6","5","3","1") = "7"
    & skf18("1","4","8","6","5","4","1") = "7"
    & skf18("1","4","8","6","5","5","1") = "7"
    & skf18("1","4","8","6","5","6","1") = "7"
    & skf18("1","4","8","6","5","7","1") = "7"
    & skf18("1","4","8","6","5","8","1") = "7"
    & skf18("1","4","8","6","5","9","1") = "8"
    & skf18("1","4","8","6","5","10","1") = "9"
    & skf18("1","4","8","6","6","1","1") = "7"
    & skf18("1","4","8","6","6","2","1") = "7"
    & skf18("1","4","8","6","6","3","1") = "7"
    & skf18("1","4","8","6","6","4","1") = "7"
    & skf18("1","4","8","6","6","5","1") = "7"
    & skf18("1","4","8","6","6","6","1") = "7"
    & skf18("1","4","8","6","6","7","1") = "7"
    & skf18("1","4","8","6","6","8","1") = "7"
    & skf18("1","4","8","6","6","9","1") = "8"
    & skf18("1","4","8","6","6","10","1") = "9"
    & skf18("1","4","8","6","7","1","1") = "7"
    & skf18("1","4","8","6","7","2","1") = "7"
    & skf18("1","4","8","6","7","3","1") = "7"
    & skf18("1","4","8","6","7","4","1") = "7"
    & skf18("1","4","8","6","7","5","1") = "7"
    & skf18("1","4","8","6","7","6","1") = "7"
    & skf18("1","4","8","6","7","7","1") = "7"
    & skf18("1","4","8","6","7","8","1") = "7"
    & skf18("1","4","8","6","7","9","1") = "8"
    & skf18("1","4","8","6","7","10","1") = "9"
    & skf18("1","4","8","6","8","1","1") = "7"
    & skf18("1","4","8","6","8","2","1") = "7"
    & skf18("1","4","8","6","8","3","1") = "7"
    & skf18("1","4","8","6","8","4","1") = "7"
    & skf18("1","4","8","6","8","5","1") = "7"
    & skf18("1","4","8","6","8","6","1") = "7"
    & skf18("1","4","8","6","8","7","1") = "7"
    & skf18("1","4","8","6","8","8","1") = "7"
    & skf18("1","4","8","6","8","9","1") = "8"
    & skf18("1","4","8","6","8","10","1") = "9"
    & skf18("1","4","8","6","9","1","1") = "8"
    & skf18("1","4","8","6","9","2","1") = "8"
    & skf18("1","4","8","6","9","3","1") = "8"
    & skf18("1","4","8","6","9","4","1") = "8"
    & skf18("1","4","8","6","9","5","1") = "8"
    & skf18("1","4","8","6","9","6","1") = "8"
    & skf18("1","4","8","6","9","7","1") = "8"
    & skf18("1","4","8","6","9","8","1") = "8"
    & skf18("1","4","8","6","9","9","1") = "8"
    & skf18("1","4","8","6","9","10","1") = "9"
    & skf18("1","4","8","6","10","1","1") = "9"
    & skf18("1","4","8","6","10","2","1") = "9"
    & skf18("1","4","8","6","10","3","1") = "9"
    & skf18("1","4","8","6","10","4","1") = "9"
    & skf18("1","4","8","6","10","5","1") = "9"
    & skf18("1","4","8","6","10","6","1") = "9"
    & skf18("1","4","8","6","10","7","1") = "9"
    & skf18("1","4","8","6","10","8","1") = "9"
    & skf18("1","4","8","6","10","9","1") = "9"
    & skf18("1","4","8","6","10","10","1") = "9"
    & skf18("1","4","8","7","1","1","1") = "7"
    & skf18("1","4","8","7","1","2","1") = "7"
    & skf18("1","4","8","7","1","3","1") = "7"
    & skf18("1","4","8","7","1","4","1") = "7"
    & skf18("1","4","8","7","1","5","1") = "7"
    & skf18("1","4","8","7","1","6","1") = "7"
    & skf18("1","4","8","7","1","7","1") = "7"
    & skf18("1","4","8","7","1","8","1") = "7"
    & skf18("1","4","8","7","1","9","1") = "8"
    & skf18("1","4","8","7","1","10","1") = "9"
    & skf18("1","4","8","7","2","1","1") = "7"
    & skf18("1","4","8","7","2","2","1") = "7"
    & skf18("1","4","8","7","2","3","1") = "7"
    & skf18("1","4","8","7","2","4","1") = "7"
    & skf18("1","4","8","7","2","5","1") = "7"
    & skf18("1","4","8","7","2","6","1") = "7"
    & skf18("1","4","8","7","2","7","1") = "7"
    & skf18("1","4","8","7","2","8","1") = "7"
    & skf18("1","4","8","7","2","9","1") = "8"
    & skf18("1","4","8","7","2","10","1") = "9"
    & skf18("1","4","8","7","3","1","1") = "7"
    & skf18("1","4","8","7","3","2","1") = "7"
    & skf18("1","4","8","7","3","3","1") = "7"
    & skf18("1","4","8","7","3","4","1") = "7"
    & skf18("1","4","8","7","3","5","1") = "7"
    & skf18("1","4","8","7","3","6","1") = "7"
    & skf18("1","4","8","7","3","7","1") = "7"
    & skf18("1","4","8","7","3","8","1") = "7"
    & skf18("1","4","8","7","3","9","1") = "8"
    & skf18("1","4","8","7","3","10","1") = "9"
    & skf18("1","4","8","7","4","1","1") = "7"
    & skf18("1","4","8","7","4","2","1") = "7"
    & skf18("1","4","8","7","4","3","1") = "7"
    & skf18("1","4","8","7","4","4","1") = "7"
    & skf18("1","4","8","7","4","5","1") = "7"
    & skf18("1","4","8","7","4","6","1") = "7"
    & skf18("1","4","8","7","4","7","1") = "7"
    & skf18("1","4","8","7","4","8","1") = "7"
    & skf18("1","4","8","7","4","9","1") = "8"
    & skf18("1","4","8","7","4","10","1") = "9"
    & skf18("1","4","8","7","5","1","1") = "7"
    & skf18("1","4","8","7","5","2","1") = "7"
    & skf18("1","4","8","7","5","3","1") = "7"
    & skf18("1","4","8","7","5","4","1") = "7"
    & skf18("1","4","8","7","5","5","1") = "7"
    & skf18("1","4","8","7","5","6","1") = "7"
    & skf18("1","4","8","7","5","7","1") = "7"
    & skf18("1","4","8","7","5","8","1") = "7"
    & skf18("1","4","8","7","5","9","1") = "8"
    & skf18("1","4","8","7","5","10","1") = "9"
    & skf18("1","4","8","7","6","1","1") = "7"
    & skf18("1","4","8","7","6","2","1") = "7"
    & skf18("1","4","8","7","6","3","1") = "7"
    & skf18("1","4","8","7","6","4","1") = "7"
    & skf18("1","4","8","7","6","5","1") = "7"
    & skf18("1","4","8","7","6","6","1") = "7"
    & skf18("1","4","8","7","6","7","1") = "7"
    & skf18("1","4","8","7","6","8","1") = "7"
    & skf18("1","4","8","7","6","9","1") = "8"
    & skf18("1","4","8","7","6","10","1") = "9"
    & skf18("1","4","8","7","7","1","1") = "7"
    & skf18("1","4","8","7","7","2","1") = "7"
    & skf18("1","4","8","7","7","3","1") = "7"
    & skf18("1","4","8","7","7","4","1") = "7"
    & skf18("1","4","8","7","7","5","1") = "7"
    & skf18("1","4","8","7","7","6","1") = "7"
    & skf18("1","4","8","7","7","7","1") = "7"
    & skf18("1","4","8","7","7","8","1") = "7"
    & skf18("1","4","8","7","7","9","1") = "8"
    & skf18("1","4","8","7","7","10","1") = "9"
    & skf18("1","4","8","7","8","1","1") = "7"
    & skf18("1","4","8","7","8","2","1") = "7"
    & skf18("1","4","8","7","8","3","1") = "7"
    & skf18("1","4","8","7","8","4","1") = "7"
    & skf18("1","4","8","7","8","5","1") = "7"
    & skf18("1","4","8","7","8","6","1") = "7"
    & skf18("1","4","8","7","8","7","1") = "7"
    & skf18("1","4","8","7","8","8","1") = "7"
    & skf18("1","4","8","7","8","9","1") = "8"
    & skf18("1","4","8","7","8","10","1") = "9"
    & skf18("1","4","8","7","9","1","1") = "8"
    & skf18("1","4","8","7","9","2","1") = "8"
    & skf18("1","4","8","7","9","3","1") = "8"
    & skf18("1","4","8","7","9","4","1") = "8"
    & skf18("1","4","8","7","9","5","1") = "8"
    & skf18("1","4","8","7","9","6","1") = "8"
    & skf18("1","4","8","7","9","7","1") = "8"
    & skf18("1","4","8","7","9","8","1") = "8"
    & skf18("1","4","8","7","9","9","1") = "8"
    & skf18("1","4","8","7","9","10","1") = "9"
    & skf18("1","4","8","7","10","1","1") = "9"
    & skf18("1","4","8","7","10","2","1") = "9"
    & skf18("1","4","8","7","10","3","1") = "9"
    & skf18("1","4","8","7","10","4","1") = "9"
    & skf18("1","4","8","7","10","5","1") = "9"
    & skf18("1","4","8","7","10","6","1") = "9"
    & skf18("1","4","8","7","10","7","1") = "9"
    & skf18("1","4","8","7","10","8","1") = "9"
    & skf18("1","4","8","7","10","9","1") = "9"
    & skf18("1","4","8","7","10","10","1") = "9"
    & skf18("1","4","8","8","1","1","1") = "7"
    & skf18("1","4","8","8","1","2","1") = "7"
    & skf18("1","4","8","8","1","3","1") = "7"
    & skf18("1","4","8","8","1","4","1") = "7"
    & skf18("1","4","8","8","1","5","1") = "7"
    & skf18("1","4","8","8","1","6","1") = "7"
    & skf18("1","4","8","8","1","7","1") = "7"
    & skf18("1","4","8","8","1","8","1") = "7"
    & skf18("1","4","8","8","1","9","1") = "8"
    & skf18("1","4","8","8","1","10","1") = "9"
    & skf18("1","4","8","8","2","1","1") = "7"
    & skf18("1","4","8","8","2","2","1") = "7"
    & skf18("1","4","8","8","2","3","1") = "7"
    & skf18("1","4","8","8","2","4","1") = "7"
    & skf18("1","4","8","8","2","5","1") = "7"
    & skf18("1","4","8","8","2","6","1") = "7"
    & skf18("1","4","8","8","2","7","1") = "7"
    & skf18("1","4","8","8","2","8","1") = "7"
    & skf18("1","4","8","8","2","9","1") = "8"
    & skf18("1","4","8","8","2","10","1") = "9"
    & skf18("1","4","8","8","3","1","1") = "7"
    & skf18("1","4","8","8","3","2","1") = "7"
    & skf18("1","4","8","8","3","3","1") = "7"
    & skf18("1","4","8","8","3","4","1") = "7"
    & skf18("1","4","8","8","3","5","1") = "7"
    & skf18("1","4","8","8","3","6","1") = "7"
    & skf18("1","4","8","8","3","7","1") = "7"
    & skf18("1","4","8","8","3","8","1") = "7"
    & skf18("1","4","8","8","3","9","1") = "8"
    & skf18("1","4","8","8","3","10","1") = "9"
    & skf18("1","4","8","8","4","1","1") = "7"
    & skf18("1","4","8","8","4","2","1") = "7"
    & skf18("1","4","8","8","4","3","1") = "7"
    & skf18("1","4","8","8","4","4","1") = "7"
    & skf18("1","4","8","8","4","5","1") = "7"
    & skf18("1","4","8","8","4","6","1") = "7"
    & skf18("1","4","8","8","4","7","1") = "7"
    & skf18("1","4","8","8","4","8","1") = "7"
    & skf18("1","4","8","8","4","9","1") = "8"
    & skf18("1","4","8","8","4","10","1") = "9"
    & skf18("1","4","8","8","5","1","1") = "7"
    & skf18("1","4","8","8","5","2","1") = "7"
    & skf18("1","4","8","8","5","3","1") = "7"
    & skf18("1","4","8","8","5","4","1") = "7"
    & skf18("1","4","8","8","5","5","1") = "7"
    & skf18("1","4","8","8","5","6","1") = "7"
    & skf18("1","4","8","8","5","7","1") = "7"
    & skf18("1","4","8","8","5","8","1") = "7"
    & skf18("1","4","8","8","5","9","1") = "8"
    & skf18("1","4","8","8","5","10","1") = "9"
    & skf18("1","4","8","8","6","1","1") = "7"
    & skf18("1","4","8","8","6","2","1") = "7"
    & skf18("1","4","8","8","6","3","1") = "7"
    & skf18("1","4","8","8","6","4","1") = "7"
    & skf18("1","4","8","8","6","5","1") = "7"
    & skf18("1","4","8","8","6","6","1") = "7"
    & skf18("1","4","8","8","6","7","1") = "7"
    & skf18("1","4","8","8","6","8","1") = "7"
    & skf18("1","4","8","8","6","9","1") = "8"
    & skf18("1","4","8","8","6","10","1") = "9"
    & skf18("1","4","8","8","7","1","1") = "7"
    & skf18("1","4","8","8","7","2","1") = "7"
    & skf18("1","4","8","8","7","3","1") = "7"
    & skf18("1","4","8","8","7","4","1") = "7"
    & skf18("1","4","8","8","7","5","1") = "7"
    & skf18("1","4","8","8","7","6","1") = "7"
    & skf18("1","4","8","8","7","7","1") = "7"
    & skf18("1","4","8","8","7","8","1") = "7"
    & skf18("1","4","8","8","7","9","1") = "8"
    & skf18("1","4","8","8","7","10","1") = "9"
    & skf18("1","4","8","8","8","1","1") = "7"
    & skf18("1","4","8","8","8","2","1") = "7"
    & skf18("1","4","8","8","8","3","1") = "7"
    & skf18("1","4","8","8","8","4","1") = "7"
    & skf18("1","4","8","8","8","5","1") = "7"
    & skf18("1","4","8","8","8","6","1") = "7"
    & skf18("1","4","8","8","8","7","1") = "7"
    & skf18("1","4","8","8","8","8","1") = "7"
    & skf18("1","4","8","8","8","9","1") = "8"
    & skf18("1","4","8","8","8","10","1") = "9"
    & skf18("1","4","8","8","9","1","1") = "8"
    & skf18("1","4","8","8","9","2","1") = "8"
    & skf18("1","4","8","8","9","3","1") = "8"
    & skf18("1","4","8","8","9","4","1") = "8"
    & skf18("1","4","8","8","9","5","1") = "8"
    & skf18("1","4","8","8","9","6","1") = "8"
    & skf18("1","4","8","8","9","7","1") = "8"
    & skf18("1","4","8","8","9","8","1") = "8"
    & skf18("1","4","8","8","9","9","1") = "8"
    & skf18("1","4","8","8","9","10","1") = "9"
    & skf18("1","4","8","8","10","1","1") = "9"
    & skf18("1","4","8","8","10","2","1") = "9"
    & skf18("1","4","8","8","10","3","1") = "9"
    & skf18("1","4","8","8","10","4","1") = "9"
    & skf18("1","4","8","8","10","5","1") = "9"
    & skf18("1","4","8","8","10","6","1") = "9"
    & skf18("1","4","8","8","10","7","1") = "9"
    & skf18("1","4","8","8","10","8","1") = "9"
    & skf18("1","4","8","8","10","9","1") = "9"
    & skf18("1","4","8","8","10","10","1") = "9"
    & skf18("1","4","8","9","1","1","1") = "8"
    & skf18("1","4","8","9","1","2","1") = "8"
    & skf18("1","4","8","9","1","3","1") = "8"
    & skf18("1","4","8","9","1","4","1") = "8"
    & skf18("1","4","8","9","1","5","1") = "8"
    & skf18("1","4","8","9","1","6","1") = "8"
    & skf18("1","4","8","9","1","7","1") = "8"
    & skf18("1","4","8","9","1","8","1") = "8"
    & skf18("1","4","8","9","1","9","1") = "8"
    & skf18("1","4","8","9","1","10","1") = "9"
    & skf18("1","4","8","9","2","1","1") = "8"
    & skf18("1","4","8","9","2","2","1") = "8"
    & skf18("1","4","8","9","2","3","1") = "8"
    & skf18("1","4","8","9","2","4","1") = "8"
    & skf18("1","4","8","9","2","5","1") = "8"
    & skf18("1","4","8","9","2","6","1") = "8"
    & skf18("1","4","8","9","2","7","1") = "8"
    & skf18("1","4","8","9","2","8","1") = "8"
    & skf18("1","4","8","9","2","9","1") = "8"
    & skf18("1","4","8","9","2","10","1") = "9"
    & skf18("1","4","8","9","3","1","1") = "8"
    & skf18("1","4","8","9","3","2","1") = "8"
    & skf18("1","4","8","9","3","3","1") = "8"
    & skf18("1","4","8","9","3","4","1") = "8"
    & skf18("1","4","8","9","3","5","1") = "8"
    & skf18("1","4","8","9","3","6","1") = "8"
    & skf18("1","4","8","9","3","7","1") = "8"
    & skf18("1","4","8","9","3","8","1") = "8"
    & skf18("1","4","8","9","3","9","1") = "8"
    & skf18("1","4","8","9","3","10","1") = "9"
    & skf18("1","4","8","9","4","1","1") = "8"
    & skf18("1","4","8","9","4","2","1") = "8"
    & skf18("1","4","8","9","4","3","1") = "8"
    & skf18("1","4","8","9","4","4","1") = "8"
    & skf18("1","4","8","9","4","5","1") = "8"
    & skf18("1","4","8","9","4","6","1") = "8"
    & skf18("1","4","8","9","4","7","1") = "8"
    & skf18("1","4","8","9","4","8","1") = "8"
    & skf18("1","4","8","9","4","9","1") = "8"
    & skf18("1","4","8","9","4","10","1") = "9"
    & skf18("1","4","8","9","5","1","1") = "8"
    & skf18("1","4","8","9","5","2","1") = "8"
    & skf18("1","4","8","9","5","3","1") = "8"
    & skf18("1","4","8","9","5","4","1") = "8"
    & skf18("1","4","8","9","5","5","1") = "8"
    & skf18("1","4","8","9","5","6","1") = "8"
    & skf18("1","4","8","9","5","7","1") = "8"
    & skf18("1","4","8","9","5","8","1") = "8"
    & skf18("1","4","8","9","5","9","1") = "8"
    & skf18("1","4","8","9","5","10","1") = "9"
    & skf18("1","4","8","9","6","1","1") = "8"
    & skf18("1","4","8","9","6","2","1") = "8"
    & skf18("1","4","8","9","6","3","1") = "8"
    & skf18("1","4","8","9","6","4","1") = "8"
    & skf18("1","4","8","9","6","5","1") = "8"
    & skf18("1","4","8","9","6","6","1") = "8"
    & skf18("1","4","8","9","6","7","1") = "8"
    & skf18("1","4","8","9","6","8","1") = "8"
    & skf18("1","4","8","9","6","9","1") = "8"
    & skf18("1","4","8","9","6","10","1") = "9"
    & skf18("1","4","8","9","7","1","1") = "8"
    & skf18("1","4","8","9","7","2","1") = "8"
    & skf18("1","4","8","9","7","3","1") = "8"
    & skf18("1","4","8","9","7","4","1") = "8"
    & skf18("1","4","8","9","7","5","1") = "8"
    & skf18("1","4","8","9","7","6","1") = "8"
    & skf18("1","4","8","9","7","7","1") = "8"
    & skf18("1","4","8","9","7","8","1") = "8"
    & skf18("1","4","8","9","7","9","1") = "8"
    & skf18("1","4","8","9","7","10","1") = "9"
    & skf18("1","4","8","9","8","1","1") = "8"
    & skf18("1","4","8","9","8","2","1") = "8"
    & skf18("1","4","8","9","8","3","1") = "8"
    & skf18("1","4","8","9","8","4","1") = "8"
    & skf18("1","4","8","9","8","5","1") = "8"
    & skf18("1","4","8","9","8","6","1") = "8"
    & skf18("1","4","8","9","8","7","1") = "8"
    & skf18("1","4","8","9","8","8","1") = "8"
    & skf18("1","4","8","9","8","9","1") = "8"
    & skf18("1","4","8","9","8","10","1") = "9"
    & skf18("1","4","8","9","9","1","1") = "8"
    & skf18("1","4","8","9","9","2","1") = "8"
    & skf18("1","4","8","9","9","3","1") = "8"
    & skf18("1","4","8","9","9","4","1") = "8"
    & skf18("1","4","8","9","9","5","1") = "8"
    & skf18("1","4","8","9","9","6","1") = "8"
    & skf18("1","4","8","9","9","7","1") = "8"
    & skf18("1","4","8","9","9","8","1") = "8"
    & skf18("1","4","8","9","9","9","1") = "8"
    & skf18("1","4","8","9","9","10","1") = "9"
    & skf18("1","4","8","9","10","1","1") = "9"
    & skf18("1","4","8","9","10","2","1") = "9"
    & skf18("1","4","8","9","10","3","1") = "9"
    & skf18("1","4","8","9","10","4","1") = "9"
    & skf18("1","4","8","9","10","5","1") = "9"
    & skf18("1","4","8","9","10","6","1") = "9"
    & skf18("1","4","8","9","10","7","1") = "9"
    & skf18("1","4","8","9","10","8","1") = "9"
    & skf18("1","4","8","9","10","9","1") = "9"
    & skf18("1","4","8","9","10","10","1") = "9"
    & skf18("1","4","8","10","1","1","1") = "9"
    & skf18("1","4","8","10","1","2","1") = "9"
    & skf18("1","4","8","10","1","3","1") = "9"
    & skf18("1","4","8","10","1","4","1") = "9"
    & skf18("1","4","8","10","1","5","1") = "9"
    & skf18("1","4","8","10","1","6","1") = "9"
    & skf18("1","4","8","10","1","7","1") = "9"
    & skf18("1","4","8","10","1","8","1") = "9"
    & skf18("1","4","8","10","1","9","1") = "9"
    & skf18("1","4","8","10","1","10","1") = "9"
    & skf18("1","4","8","10","2","1","1") = "9"
    & skf18("1","4","8","10","2","2","1") = "9"
    & skf18("1","4","8","10","2","3","1") = "9"
    & skf18("1","4","8","10","2","4","1") = "9"
    & skf18("1","4","8","10","2","5","1") = "9"
    & skf18("1","4","8","10","2","6","1") = "9"
    & skf18("1","4","8","10","2","7","1") = "9"
    & skf18("1","4","8","10","2","8","1") = "9"
    & skf18("1","4","8","10","2","9","1") = "9"
    & skf18("1","4","8","10","2","10","1") = "9"
    & skf18("1","4","8","10","3","1","1") = "9"
    & skf18("1","4","8","10","3","2","1") = "9"
    & skf18("1","4","8","10","3","3","1") = "9"
    & skf18("1","4","8","10","3","4","1") = "9"
    & skf18("1","4","8","10","3","5","1") = "9"
    & skf18("1","4","8","10","3","6","1") = "9"
    & skf18("1","4","8","10","3","7","1") = "9"
    & skf18("1","4","8","10","3","8","1") = "9"
    & skf18("1","4","8","10","3","9","1") = "9"
    & skf18("1","4","8","10","3","10","1") = "9"
    & skf18("1","4","8","10","4","1","1") = "9"
    & skf18("1","4","8","10","4","2","1") = "9"
    & skf18("1","4","8","10","4","3","1") = "9"
    & skf18("1","4","8","10","4","4","1") = "9"
    & skf18("1","4","8","10","4","5","1") = "9"
    & skf18("1","4","8","10","4","6","1") = "9"
    & skf18("1","4","8","10","4","7","1") = "9"
    & skf18("1","4","8","10","4","8","1") = "9"
    & skf18("1","4","8","10","4","9","1") = "9"
    & skf18("1","4","8","10","4","10","1") = "9"
    & skf18("1","4","8","10","5","1","1") = "9"
    & skf18("1","4","8","10","5","2","1") = "9"
    & skf18("1","4","8","10","5","3","1") = "9"
    & skf18("1","4","8","10","5","4","1") = "9"
    & skf18("1","4","8","10","5","5","1") = "9"
    & skf18("1","4","8","10","5","6","1") = "9"
    & skf18("1","4","8","10","5","7","1") = "9"
    & skf18("1","4","8","10","5","8","1") = "9"
    & skf18("1","4","8","10","5","9","1") = "9"
    & skf18("1","4","8","10","5","10","1") = "9"
    & skf18("1","4","8","10","6","1","1") = "9"
    & skf18("1","4","8","10","6","2","1") = "9"
    & skf18("1","4","8","10","6","3","1") = "9"
    & skf18("1","4","8","10","6","4","1") = "9"
    & skf18("1","4","8","10","6","5","1") = "9"
    & skf18("1","4","8","10","6","6","1") = "9"
    & skf18("1","4","8","10","6","7","1") = "9"
    & skf18("1","4","8","10","6","8","1") = "9"
    & skf18("1","4","8","10","6","9","1") = "9"
    & skf18("1","4","8","10","6","10","1") = "9"
    & skf18("1","4","8","10","7","1","1") = "9"
    & skf18("1","4","8","10","7","2","1") = "9"
    & skf18("1","4","8","10","7","3","1") = "9"
    & skf18("1","4","8","10","7","4","1") = "9"
    & skf18("1","4","8","10","7","5","1") = "9"
    & skf18("1","4","8","10","7","6","1") = "9"
    & skf18("1","4","8","10","7","7","1") = "9"
    & skf18("1","4","8","10","7","8","1") = "9"
    & skf18("1","4","8","10","7","9","1") = "9"
    & skf18("1","4","8","10","7","10","1") = "9"
    & skf18("1","4","8","10","8","1","1") = "9"
    & skf18("1","4","8","10","8","2","1") = "9"
    & skf18("1","4","8","10","8","3","1") = "9"
    & skf18("1","4","8","10","8","4","1") = "9"
    & skf18("1","4","8","10","8","5","1") = "9"
    & skf18("1","4","8","10","8","6","1") = "9"
    & skf18("1","4","8","10","8","7","1") = "9"
    & skf18("1","4","8","10","8","8","1") = "9"
    & skf18("1","4","8","10","8","9","1") = "9"
    & skf18("1","4","8","10","8","10","1") = "9"
    & skf18("1","4","8","10","9","1","1") = "9"
    & skf18("1","4","8","10","9","2","1") = "9"
    & skf18("1","4","8","10","9","3","1") = "9"
    & skf18("1","4","8","10","9","4","1") = "9"
    & skf18("1","4","8","10","9","5","1") = "9"
    & skf18("1","4","8","10","9","6","1") = "9"
    & skf18("1","4","8","10","9","7","1") = "9"
    & skf18("1","4","8","10","9","8","1") = "9"
    & skf18("1","4","8","10","9","9","1") = "9"
    & skf18("1","4","8","10","9","10","1") = "9"
    & skf18("1","4","8","10","10","1","1") = "9"
    & skf18("1","4","8","10","10","2","1") = "9"
    & skf18("1","4","8","10","10","3","1") = "9"
    & skf18("1","4","8","10","10","4","1") = "9"
    & skf18("1","4","8","10","10","5","1") = "9"
    & skf18("1","4","8","10","10","6","1") = "9"
    & skf18("1","4","8","10","10","7","1") = "9"
    & skf18("1","4","8","10","10","8","1") = "9"
    & skf18("1","4","8","10","10","9","1") = "9"
    & skf18("1","4","8","10","10","10","1") = "9"
    & skf18("1","4","9","1","1","1","1") = "8"
    & skf18("1","4","9","1","1","2","1") = "8"
    & skf18("1","4","9","1","1","3","1") = "8"
    & skf18("1","4","9","1","1","4","1") = "8"
    & skf18("1","4","9","1","1","5","1") = "8"
    & skf18("1","4","9","1","1","6","1") = "8"
    & skf18("1","4","9","1","1","7","1") = "8"
    & skf18("1","4","9","1","1","8","1") = "8"
    & skf18("1","4","9","1","1","9","1") = "8"
    & skf18("1","4","9","1","1","10","1") = "9"
    & skf18("1","4","9","1","2","1","1") = "8"
    & skf18("1","4","9","1","2","2","1") = "8"
    & skf18("1","4","9","1","2","3","1") = "8"
    & skf18("1","4","9","1","2","4","1") = "8"
    & skf18("1","4","9","1","2","5","1") = "8"
    & skf18("1","4","9","1","2","6","1") = "8"
    & skf18("1","4","9","1","2","7","1") = "8"
    & skf18("1","4","9","1","2","8","1") = "8"
    & skf18("1","4","9","1","2","9","1") = "8"
    & skf18("1","4","9","1","2","10","1") = "9"
    & skf18("1","4","9","1","3","1","1") = "8"
    & skf18("1","4","9","1","3","2","1") = "8"
    & skf18("1","4","9","1","3","3","1") = "8"
    & skf18("1","4","9","1","3","4","1") = "8"
    & skf18("1","4","9","1","3","5","1") = "8"
    & skf18("1","4","9","1","3","6","1") = "8"
    & skf18("1","4","9","1","3","7","1") = "8"
    & skf18("1","4","9","1","3","8","1") = "8"
    & skf18("1","4","9","1","3","9","1") = "8"
    & skf18("1","4","9","1","3","10","1") = "9"
    & skf18("1","4","9","1","4","1","1") = "8"
    & skf18("1","4","9","1","4","2","1") = "8"
    & skf18("1","4","9","1","4","3","1") = "8"
    & skf18("1","4","9","1","4","4","1") = "8"
    & skf18("1","4","9","1","4","5","1") = "8"
    & skf18("1","4","9","1","4","6","1") = "8"
    & skf18("1","4","9","1","4","7","1") = "8"
    & skf18("1","4","9","1","4","8","1") = "8"
    & skf18("1","4","9","1","4","9","1") = "8"
    & skf18("1","4","9","1","4","10","1") = "9"
    & skf18("1","4","9","1","5","1","1") = "8"
    & skf18("1","4","9","1","5","2","1") = "8"
    & skf18("1","4","9","1","5","3","1") = "8"
    & skf18("1","4","9","1","5","4","1") = "8"
    & skf18("1","4","9","1","5","5","1") = "8"
    & skf18("1","4","9","1","5","6","1") = "8"
    & skf18("1","4","9","1","5","7","1") = "8"
    & skf18("1","4","9","1","5","8","1") = "8"
    & skf18("1","4","9","1","5","9","1") = "8"
    & skf18("1","4","9","1","5","10","1") = "9"
    & skf18("1","4","9","1","6","1","1") = "8"
    & skf18("1","4","9","1","6","2","1") = "8"
    & skf18("1","4","9","1","6","3","1") = "8"
    & skf18("1","4","9","1","6","4","1") = "8"
    & skf18("1","4","9","1","6","5","1") = "8"
    & skf18("1","4","9","1","6","6","1") = "8"
    & skf18("1","4","9","1","6","7","1") = "8"
    & skf18("1","4","9","1","6","8","1") = "8"
    & skf18("1","4","9","1","6","9","1") = "8"
    & skf18("1","4","9","1","6","10","1") = "9"
    & skf18("1","4","9","1","7","1","1") = "8"
    & skf18("1","4","9","1","7","2","1") = "8"
    & skf18("1","4","9","1","7","3","1") = "8"
    & skf18("1","4","9","1","7","4","1") = "8"
    & skf18("1","4","9","1","7","5","1") = "8"
    & skf18("1","4","9","1","7","6","1") = "8"
    & skf18("1","4","9","1","7","7","1") = "8"
    & skf18("1","4","9","1","7","8","1") = "8"
    & skf18("1","4","9","1","7","9","1") = "8"
    & skf18("1","4","9","1","7","10","1") = "9"
    & skf18("1","4","9","1","8","1","1") = "8"
    & skf18("1","4","9","1","8","2","1") = "8"
    & skf18("1","4","9","1","8","3","1") = "8"
    & skf18("1","4","9","1","8","4","1") = "8"
    & skf18("1","4","9","1","8","5","1") = "8"
    & skf18("1","4","9","1","8","6","1") = "8"
    & skf18("1","4","9","1","8","7","1") = "8"
    & skf18("1","4","9","1","8","8","1") = "8"
    & skf18("1","4","9","1","8","9","1") = "8"
    & skf18("1","4","9","1","8","10","1") = "9"
    & skf18("1","4","9","1","9","1","1") = "8"
    & skf18("1","4","9","1","9","2","1") = "8"
    & skf18("1","4","9","1","9","3","1") = "8"
    & skf18("1","4","9","1","9","4","1") = "8"
    & skf18("1","4","9","1","9","5","1") = "8"
    & skf18("1","4","9","1","9","6","1") = "8"
    & skf18("1","4","9","1","9","7","1") = "8"
    & skf18("1","4","9","1","9","8","1") = "8"
    & skf18("1","4","9","1","9","9","1") = "8"
    & skf18("1","4","9","1","9","10","1") = "9"
    & skf18("1","4","9","1","10","1","1") = "9"
    & skf18("1","4","9","1","10","2","1") = "9"
    & skf18("1","4","9","1","10","3","1") = "9"
    & skf18("1","4","9","1","10","4","1") = "9"
    & skf18("1","4","9","1","10","5","1") = "9"
    & skf18("1","4","9","1","10","6","1") = "9"
    & skf18("1","4","9","1","10","7","1") = "9"
    & skf18("1","4","9","1","10","8","1") = "9"
    & skf18("1","4","9","1","10","9","1") = "9"
    & skf18("1","4","9","1","10","10","1") = "9"
    & skf18("1","4","9","2","1","1","1") = "8"
    & skf18("1","4","9","2","1","2","1") = "8"
    & skf18("1","4","9","2","1","3","1") = "8"
    & skf18("1","4","9","2","1","4","1") = "8"
    & skf18("1","4","9","2","1","5","1") = "8"
    & skf18("1","4","9","2","1","6","1") = "8"
    & skf18("1","4","9","2","1","7","1") = "8"
    & skf18("1","4","9","2","1","8","1") = "8"
    & skf18("1","4","9","2","1","9","1") = "8"
    & skf18("1","4","9","2","1","10","1") = "9"
    & skf18("1","4","9","2","2","1","1") = "8"
    & skf18("1","4","9","2","2","2","1") = "8"
    & skf18("1","4","9","2","2","3","1") = "8"
    & skf18("1","4","9","2","2","4","1") = "8"
    & skf18("1","4","9","2","2","5","1") = "8"
    & skf18("1","4","9","2","2","6","1") = "8"
    & skf18("1","4","9","2","2","7","1") = "8"
    & skf18("1","4","9","2","2","8","1") = "8"
    & skf18("1","4","9","2","2","9","1") = "8"
    & skf18("1","4","9","2","2","10","1") = "9"
    & skf18("1","4","9","2","3","1","1") = "8"
    & skf18("1","4","9","2","3","2","1") = "8"
    & skf18("1","4","9","2","3","3","1") = "8"
    & skf18("1","4","9","2","3","4","1") = "8"
    & skf18("1","4","9","2","3","5","1") = "8"
    & skf18("1","4","9","2","3","6","1") = "8"
    & skf18("1","4","9","2","3","7","1") = "8"
    & skf18("1","4","9","2","3","8","1") = "8"
    & skf18("1","4","9","2","3","9","1") = "8"
    & skf18("1","4","9","2","3","10","1") = "9"
    & skf18("1","4","9","2","4","1","1") = "8"
    & skf18("1","4","9","2","4","2","1") = "8"
    & skf18("1","4","9","2","4","3","1") = "8"
    & skf18("1","4","9","2","4","4","1") = "8"
    & skf18("1","4","9","2","4","5","1") = "8"
    & skf18("1","4","9","2","4","6","1") = "8"
    & skf18("1","4","9","2","4","7","1") = "8"
    & skf18("1","4","9","2","4","8","1") = "8"
    & skf18("1","4","9","2","4","9","1") = "8"
    & skf18("1","4","9","2","4","10","1") = "9"
    & skf18("1","4","9","2","5","1","1") = "8"
    & skf18("1","4","9","2","5","2","1") = "8"
    & skf18("1","4","9","2","5","3","1") = "8"
    & skf18("1","4","9","2","5","4","1") = "8"
    & skf18("1","4","9","2","5","5","1") = "8"
    & skf18("1","4","9","2","5","6","1") = "8"
    & skf18("1","4","9","2","5","7","1") = "8"
    & skf18("1","4","9","2","5","8","1") = "8"
    & skf18("1","4","9","2","5","9","1") = "8"
    & skf18("1","4","9","2","5","10","1") = "9"
    & skf18("1","4","9","2","6","1","1") = "8"
    & skf18("1","4","9","2","6","2","1") = "8"
    & skf18("1","4","9","2","6","3","1") = "8"
    & skf18("1","4","9","2","6","4","1") = "8"
    & skf18("1","4","9","2","6","5","1") = "8"
    & skf18("1","4","9","2","6","6","1") = "8"
    & skf18("1","4","9","2","6","7","1") = "8"
    & skf18("1","4","9","2","6","8","1") = "8"
    & skf18("1","4","9","2","6","9","1") = "8"
    & skf18("1","4","9","2","6","10","1") = "9"
    & skf18("1","4","9","2","7","1","1") = "8"
    & skf18("1","4","9","2","7","2","1") = "8"
    & skf18("1","4","9","2","7","3","1") = "8"
    & skf18("1","4","9","2","7","4","1") = "8"
    & skf18("1","4","9","2","7","5","1") = "8"
    & skf18("1","4","9","2","7","6","1") = "8"
    & skf18("1","4","9","2","7","7","1") = "8"
    & skf18("1","4","9","2","7","8","1") = "8"
    & skf18("1","4","9","2","7","9","1") = "8"
    & skf18("1","4","9","2","7","10","1") = "9"
    & skf18("1","4","9","2","8","1","1") = "8"
    & skf18("1","4","9","2","8","2","1") = "8"
    & skf18("1","4","9","2","8","3","1") = "8"
    & skf18("1","4","9","2","8","4","1") = "8"
    & skf18("1","4","9","2","8","5","1") = "8"
    & skf18("1","4","9","2","8","6","1") = "8"
    & skf18("1","4","9","2","8","7","1") = "8"
    & skf18("1","4","9","2","8","8","1") = "8"
    & skf18("1","4","9","2","8","9","1") = "8"
    & skf18("1","4","9","2","8","10","1") = "9"
    & skf18("1","4","9","2","9","1","1") = "8"
    & skf18("1","4","9","2","9","2","1") = "8"
    & skf18("1","4","9","2","9","3","1") = "8"
    & skf18("1","4","9","2","9","4","1") = "8"
    & skf18("1","4","9","2","9","5","1") = "8"
    & skf18("1","4","9","2","9","6","1") = "8"
    & skf18("1","4","9","2","9","7","1") = "8"
    & skf18("1","4","9","2","9","8","1") = "8"
    & skf18("1","4","9","2","9","9","1") = "8"
    & skf18("1","4","9","2","9","10","1") = "9"
    & skf18("1","4","9","2","10","1","1") = "9"
    & skf18("1","4","9","2","10","2","1") = "9"
    & skf18("1","4","9","2","10","3","1") = "9"
    & skf18("1","4","9","2","10","4","1") = "9"
    & skf18("1","4","9","2","10","5","1") = "9"
    & skf18("1","4","9","2","10","6","1") = "9"
    & skf18("1","4","9","2","10","7","1") = "9"
    & skf18("1","4","9","2","10","8","1") = "9"
    & skf18("1","4","9","2","10","9","1") = "9"
    & skf18("1","4","9","2","10","10","1") = "9"
    & skf18("1","4","9","3","1","1","1") = "8"
    & skf18("1","4","9","3","1","2","1") = "8"
    & skf18("1","4","9","3","1","3","1") = "8"
    & skf18("1","4","9","3","1","4","1") = "8"
    & skf18("1","4","9","3","1","5","1") = "8"
    & skf18("1","4","9","3","1","6","1") = "8"
    & skf18("1","4","9","3","1","7","1") = "8"
    & skf18("1","4","9","3","1","8","1") = "8"
    & skf18("1","4","9","3","1","9","1") = "8"
    & skf18("1","4","9","3","1","10","1") = "9"
    & skf18("1","4","9","3","2","1","1") = "8"
    & skf18("1","4","9","3","2","2","1") = "8"
    & skf18("1","4","9","3","2","3","1") = "8"
    & skf18("1","4","9","3","2","4","1") = "8"
    & skf18("1","4","9","3","2","5","1") = "8"
    & skf18("1","4","9","3","2","6","1") = "8"
    & skf18("1","4","9","3","2","7","1") = "8"
    & skf18("1","4","9","3","2","8","1") = "8"
    & skf18("1","4","9","3","2","9","1") = "8"
    & skf18("1","4","9","3","2","10","1") = "9"
    & skf18("1","4","9","3","3","1","1") = "8"
    & skf18("1","4","9","3","3","2","1") = "8"
    & skf18("1","4","9","3","3","3","1") = "8"
    & skf18("1","4","9","3","3","4","1") = "8"
    & skf18("1","4","9","3","3","5","1") = "8"
    & skf18("1","4","9","3","3","6","1") = "8"
    & skf18("1","4","9","3","3","7","1") = "8"
    & skf18("1","4","9","3","3","8","1") = "8"
    & skf18("1","4","9","3","3","9","1") = "8"
    & skf18("1","4","9","3","3","10","1") = "9"
    & skf18("1","4","9","3","4","1","1") = "8"
    & skf18("1","4","9","3","4","2","1") = "8"
    & skf18("1","4","9","3","4","3","1") = "8"
    & skf18("1","4","9","3","4","4","1") = "8"
    & skf18("1","4","9","3","4","5","1") = "8"
    & skf18("1","4","9","3","4","6","1") = "8"
    & skf18("1","4","9","3","4","7","1") = "8"
    & skf18("1","4","9","3","4","8","1") = "8"
    & skf18("1","4","9","3","4","9","1") = "8"
    & skf18("1","4","9","3","4","10","1") = "9"
    & skf18("1","4","9","3","5","1","1") = "8"
    & skf18("1","4","9","3","5","2","1") = "8"
    & skf18("1","4","9","3","5","3","1") = "8"
    & skf18("1","4","9","3","5","4","1") = "8"
    & skf18("1","4","9","3","5","5","1") = "8"
    & skf18("1","4","9","3","5","6","1") = "8"
    & skf18("1","4","9","3","5","7","1") = "8"
    & skf18("1","4","9","3","5","8","1") = "8"
    & skf18("1","4","9","3","5","9","1") = "8"
    & skf18("1","4","9","3","5","10","1") = "9"
    & skf18("1","4","9","3","6","1","1") = "8"
    & skf18("1","4","9","3","6","2","1") = "8"
    & skf18("1","4","9","3","6","3","1") = "8"
    & skf18("1","4","9","3","6","4","1") = "8"
    & skf18("1","4","9","3","6","5","1") = "8"
    & skf18("1","4","9","3","6","6","1") = "8"
    & skf18("1","4","9","3","6","7","1") = "8"
    & skf18("1","4","9","3","6","8","1") = "8"
    & skf18("1","4","9","3","6","9","1") = "8"
    & skf18("1","4","9","3","6","10","1") = "9"
    & skf18("1","4","9","3","7","1","1") = "8"
    & skf18("1","4","9","3","7","2","1") = "8"
    & skf18("1","4","9","3","7","3","1") = "8"
    & skf18("1","4","9","3","7","4","1") = "8"
    & skf18("1","4","9","3","7","5","1") = "8"
    & skf18("1","4","9","3","7","6","1") = "8"
    & skf18("1","4","9","3","7","7","1") = "8"
    & skf18("1","4","9","3","7","8","1") = "8"
    & skf18("1","4","9","3","7","9","1") = "8"
    & skf18("1","4","9","3","7","10","1") = "9"
    & skf18("1","4","9","3","8","1","1") = "8"
    & skf18("1","4","9","3","8","2","1") = "8"
    & skf18("1","4","9","3","8","3","1") = "8"
    & skf18("1","4","9","3","8","4","1") = "8"
    & skf18("1","4","9","3","8","5","1") = "8"
    & skf18("1","4","9","3","8","6","1") = "8"
    & skf18("1","4","9","3","8","7","1") = "8"
    & skf18("1","4","9","3","8","8","1") = "8"
    & skf18("1","4","9","3","8","9","1") = "8"
    & skf18("1","4","9","3","8","10","1") = "9"
    & skf18("1","4","9","3","9","1","1") = "8"
    & skf18("1","4","9","3","9","2","1") = "8"
    & skf18("1","4","9","3","9","3","1") = "8"
    & skf18("1","4","9","3","9","4","1") = "8"
    & skf18("1","4","9","3","9","5","1") = "8"
    & skf18("1","4","9","3","9","6","1") = "8"
    & skf18("1","4","9","3","9","7","1") = "8"
    & skf18("1","4","9","3","9","8","1") = "8"
    & skf18("1","4","9","3","9","9","1") = "8"
    & skf18("1","4","9","3","9","10","1") = "9"
    & skf18("1","4","9","3","10","1","1") = "9"
    & skf18("1","4","9","3","10","2","1") = "9"
    & skf18("1","4","9","3","10","3","1") = "9"
    & skf18("1","4","9","3","10","4","1") = "9"
    & skf18("1","4","9","3","10","5","1") = "9"
    & skf18("1","4","9","3","10","6","1") = "9"
    & skf18("1","4","9","3","10","7","1") = "9"
    & skf18("1","4","9","3","10","8","1") = "9"
    & skf18("1","4","9","3","10","9","1") = "9"
    & skf18("1","4","9","3","10","10","1") = "9"
    & skf18("1","4","9","4","1","1","1") = "8"
    & skf18("1","4","9","4","1","2","1") = "8"
    & skf18("1","4","9","4","1","3","1") = "8"
    & skf18("1","4","9","4","1","4","1") = "8"
    & skf18("1","4","9","4","1","5","1") = "8"
    & skf18("1","4","9","4","1","6","1") = "8"
    & skf18("1","4","9","4","1","7","1") = "8"
    & skf18("1","4","9","4","1","8","1") = "8"
    & skf18("1","4","9","4","1","9","1") = "8"
    & skf18("1","4","9","4","1","10","1") = "9"
    & skf18("1","4","9","4","2","1","1") = "8"
    & skf18("1","4","9","4","2","2","1") = "8"
    & skf18("1","4","9","4","2","3","1") = "8"
    & skf18("1","4","9","4","2","4","1") = "8"
    & skf18("1","4","9","4","2","5","1") = "8"
    & skf18("1","4","9","4","2","6","1") = "8"
    & skf18("1","4","9","4","2","7","1") = "8"
    & skf18("1","4","9","4","2","8","1") = "8"
    & skf18("1","4","9","4","2","9","1") = "8"
    & skf18("1","4","9","4","2","10","1") = "9"
    & skf18("1","4","9","4","3","1","1") = "8"
    & skf18("1","4","9","4","3","2","1") = "8"
    & skf18("1","4","9","4","3","3","1") = "8"
    & skf18("1","4","9","4","3","4","1") = "8"
    & skf18("1","4","9","4","3","5","1") = "8"
    & skf18("1","4","9","4","3","6","1") = "8"
    & skf18("1","4","9","4","3","7","1") = "8"
    & skf18("1","4","9","4","3","8","1") = "8"
    & skf18("1","4","9","4","3","9","1") = "8"
    & skf18("1","4","9","4","3","10","1") = "9"
    & skf18("1","4","9","4","4","1","1") = "8"
    & skf18("1","4","9","4","4","2","1") = "8"
    & skf18("1","4","9","4","4","3","1") = "8"
    & skf18("1","4","9","4","4","4","1") = "8"
    & skf18("1","4","9","4","4","5","1") = "8"
    & skf18("1","4","9","4","4","6","1") = "8"
    & skf18("1","4","9","4","4","7","1") = "8"
    & skf18("1","4","9","4","4","8","1") = "8"
    & skf18("1","4","9","4","4","9","1") = "8"
    & skf18("1","4","9","4","4","10","1") = "9"
    & skf18("1","4","9","4","5","1","1") = "8"
    & skf18("1","4","9","4","5","2","1") = "8"
    & skf18("1","4","9","4","5","3","1") = "8"
    & skf18("1","4","9","4","5","4","1") = "8"
    & skf18("1","4","9","4","5","5","1") = "8"
    & skf18("1","4","9","4","5","6","1") = "8"
    & skf18("1","4","9","4","5","7","1") = "8"
    & skf18("1","4","9","4","5","8","1") = "8"
    & skf18("1","4","9","4","5","9","1") = "8"
    & skf18("1","4","9","4","5","10","1") = "9"
    & skf18("1","4","9","4","6","1","1") = "8"
    & skf18("1","4","9","4","6","2","1") = "8"
    & skf18("1","4","9","4","6","3","1") = "8"
    & skf18("1","4","9","4","6","4","1") = "8"
    & skf18("1","4","9","4","6","5","1") = "8"
    & skf18("1","4","9","4","6","6","1") = "8"
    & skf18("1","4","9","4","6","7","1") = "8"
    & skf18("1","4","9","4","6","8","1") = "8"
    & skf18("1","4","9","4","6","9","1") = "8"
    & skf18("1","4","9","4","6","10","1") = "9"
    & skf18("1","4","9","4","7","1","1") = "8"
    & skf18("1","4","9","4","7","2","1") = "8"
    & skf18("1","4","9","4","7","3","1") = "8"
    & skf18("1","4","9","4","7","4","1") = "8"
    & skf18("1","4","9","4","7","5","1") = "8"
    & skf18("1","4","9","4","7","6","1") = "8"
    & skf18("1","4","9","4","7","7","1") = "8"
    & skf18("1","4","9","4","7","8","1") = "8"
    & skf18("1","4","9","4","7","9","1") = "8"
    & skf18("1","4","9","4","7","10","1") = "9"
    & skf18("1","4","9","4","8","1","1") = "8"
    & skf18("1","4","9","4","8","2","1") = "8"
    & skf18("1","4","9","4","8","3","1") = "8"
    & skf18("1","4","9","4","8","4","1") = "8"
    & skf18("1","4","9","4","8","5","1") = "8"
    & skf18("1","4","9","4","8","6","1") = "8"
    & skf18("1","4","9","4","8","7","1") = "8"
    & skf18("1","4","9","4","8","8","1") = "8"
    & skf18("1","4","9","4","8","9","1") = "8"
    & skf18("1","4","9","4","8","10","1") = "9"
    & skf18("1","4","9","4","9","1","1") = "8"
    & skf18("1","4","9","4","9","2","1") = "8"
    & skf18("1","4","9","4","9","3","1") = "8"
    & skf18("1","4","9","4","9","4","1") = "8"
    & skf18("1","4","9","4","9","5","1") = "8"
    & skf18("1","4","9","4","9","6","1") = "8"
    & skf18("1","4","9","4","9","7","1") = "8"
    & skf18("1","4","9","4","9","8","1") = "8"
    & skf18("1","4","9","4","9","9","1") = "8"
    & skf18("1","4","9","4","9","10","1") = "9"
    & skf18("1","4","9","4","10","1","1") = "9"
    & skf18("1","4","9","4","10","2","1") = "9"
    & skf18("1","4","9","4","10","3","1") = "9"
    & skf18("1","4","9","4","10","4","1") = "9"
    & skf18("1","4","9","4","10","5","1") = "9"
    & skf18("1","4","9","4","10","6","1") = "9"
    & skf18("1","4","9","4","10","7","1") = "9"
    & skf18("1","4","9","4","10","8","1") = "9"
    & skf18("1","4","9","4","10","9","1") = "9"
    & skf18("1","4","9","4","10","10","1") = "9"
    & skf18("1","4","9","5","1","1","1") = "8"
    & skf18("1","4","9","5","1","2","1") = "8"
    & skf18("1","4","9","5","1","3","1") = "8"
    & skf18("1","4","9","5","1","4","1") = "8"
    & skf18("1","4","9","5","1","5","1") = "8"
    & skf18("1","4","9","5","1","6","1") = "8"
    & skf18("1","4","9","5","1","7","1") = "8"
    & skf18("1","4","9","5","1","8","1") = "8"
    & skf18("1","4","9","5","1","9","1") = "8"
    & skf18("1","4","9","5","1","10","1") = "9"
    & skf18("1","4","9","5","2","1","1") = "8"
    & skf18("1","4","9","5","2","2","1") = "8"
    & skf18("1","4","9","5","2","3","1") = "8"
    & skf18("1","4","9","5","2","4","1") = "8"
    & skf18("1","4","9","5","2","5","1") = "8"
    & skf18("1","4","9","5","2","6","1") = "8"
    & skf18("1","4","9","5","2","7","1") = "8"
    & skf18("1","4","9","5","2","8","1") = "8"
    & skf18("1","4","9","5","2","9","1") = "8"
    & skf18("1","4","9","5","2","10","1") = "9"
    & skf18("1","4","9","5","3","1","1") = "8"
    & skf18("1","4","9","5","3","2","1") = "8"
    & skf18("1","4","9","5","3","3","1") = "8"
    & skf18("1","4","9","5","3","4","1") = "8"
    & skf18("1","4","9","5","3","5","1") = "8"
    & skf18("1","4","9","5","3","6","1") = "8"
    & skf18("1","4","9","5","3","7","1") = "8"
    & skf18("1","4","9","5","3","8","1") = "8"
    & skf18("1","4","9","5","3","9","1") = "8"
    & skf18("1","4","9","5","3","10","1") = "9"
    & skf18("1","4","9","5","4","1","1") = "8"
    & skf18("1","4","9","5","4","2","1") = "8"
    & skf18("1","4","9","5","4","3","1") = "8"
    & skf18("1","4","9","5","4","4","1") = "8"
    & skf18("1","4","9","5","4","5","1") = "8"
    & skf18("1","4","9","5","4","6","1") = "8"
    & skf18("1","4","9","5","4","7","1") = "8"
    & skf18("1","4","9","5","4","8","1") = "8"
    & skf18("1","4","9","5","4","9","1") = "8"
    & skf18("1","4","9","5","4","10","1") = "9"
    & skf18("1","4","9","5","5","1","1") = "8"
    & skf18("1","4","9","5","5","2","1") = "8"
    & skf18("1","4","9","5","5","3","1") = "8"
    & skf18("1","4","9","5","5","4","1") = "8"
    & skf18("1","4","9","5","5","5","1") = "8"
    & skf18("1","4","9","5","5","6","1") = "8"
    & skf18("1","4","9","5","5","7","1") = "8"
    & skf18("1","4","9","5","5","8","1") = "8"
    & skf18("1","4","9","5","5","9","1") = "8"
    & skf18("1","4","9","5","5","10","1") = "9"
    & skf18("1","4","9","5","6","1","1") = "8"
    & skf18("1","4","9","5","6","2","1") = "8"
    & skf18("1","4","9","5","6","3","1") = "8"
    & skf18("1","4","9","5","6","4","1") = "8"
    & skf18("1","4","9","5","6","5","1") = "8"
    & skf18("1","4","9","5","6","6","1") = "8"
    & skf18("1","4","9","5","6","7","1") = "8"
    & skf18("1","4","9","5","6","8","1") = "8"
    & skf18("1","4","9","5","6","9","1") = "8"
    & skf18("1","4","9","5","6","10","1") = "9"
    & skf18("1","4","9","5","7","1","1") = "8"
    & skf18("1","4","9","5","7","2","1") = "8"
    & skf18("1","4","9","5","7","3","1") = "8"
    & skf18("1","4","9","5","7","4","1") = "8"
    & skf18("1","4","9","5","7","5","1") = "8"
    & skf18("1","4","9","5","7","6","1") = "8"
    & skf18("1","4","9","5","7","7","1") = "8"
    & skf18("1","4","9","5","7","8","1") = "8"
    & skf18("1","4","9","5","7","9","1") = "8"
    & skf18("1","4","9","5","7","10","1") = "9"
    & skf18("1","4","9","5","8","1","1") = "8"
    & skf18("1","4","9","5","8","2","1") = "8"
    & skf18("1","4","9","5","8","3","1") = "8"
    & skf18("1","4","9","5","8","4","1") = "8"
    & skf18("1","4","9","5","8","5","1") = "8"
    & skf18("1","4","9","5","8","6","1") = "8"
    & skf18("1","4","9","5","8","7","1") = "8"
    & skf18("1","4","9","5","8","8","1") = "8"
    & skf18("1","4","9","5","8","9","1") = "8"
    & skf18("1","4","9","5","8","10","1") = "9"
    & skf18("1","4","9","5","9","1","1") = "8"
    & skf18("1","4","9","5","9","2","1") = "8"
    & skf18("1","4","9","5","9","3","1") = "8"
    & skf18("1","4","9","5","9","4","1") = "8"
    & skf18("1","4","9","5","9","5","1") = "8"
    & skf18("1","4","9","5","9","6","1") = "8"
    & skf18("1","4","9","5","9","7","1") = "8"
    & skf18("1","4","9","5","9","8","1") = "8"
    & skf18("1","4","9","5","9","9","1") = "8"
    & skf18("1","4","9","5","9","10","1") = "9"
    & skf18("1","4","9","5","10","1","1") = "9"
    & skf18("1","4","9","5","10","2","1") = "9"
    & skf18("1","4","9","5","10","3","1") = "9"
    & skf18("1","4","9","5","10","4","1") = "9"
    & skf18("1","4","9","5","10","5","1") = "9"
    & skf18("1","4","9","5","10","6","1") = "9"
    & skf18("1","4","9","5","10","7","1") = "9"
    & skf18("1","4","9","5","10","8","1") = "9"
    & skf18("1","4","9","5","10","9","1") = "9"
    & skf18("1","4","9","5","10","10","1") = "9"
    & skf18("1","4","9","6","1","1","1") = "8"
    & skf18("1","4","9","6","1","2","1") = "8"
    & skf18("1","4","9","6","1","3","1") = "8"
    & skf18("1","4","9","6","1","4","1") = "8"
    & skf18("1","4","9","6","1","5","1") = "8"
    & skf18("1","4","9","6","1","6","1") = "8"
    & skf18("1","4","9","6","1","7","1") = "8"
    & skf18("1","4","9","6","1","8","1") = "8"
    & skf18("1","4","9","6","1","9","1") = "8"
    & skf18("1","4","9","6","1","10","1") = "9"
    & skf18("1","4","9","6","2","1","1") = "8"
    & skf18("1","4","9","6","2","2","1") = "8"
    & skf18("1","4","9","6","2","3","1") = "8"
    & skf18("1","4","9","6","2","4","1") = "8"
    & skf18("1","4","9","6","2","5","1") = "8"
    & skf18("1","4","9","6","2","6","1") = "8"
    & skf18("1","4","9","6","2","7","1") = "8"
    & skf18("1","4","9","6","2","8","1") = "8"
    & skf18("1","4","9","6","2","9","1") = "8"
    & skf18("1","4","9","6","2","10","1") = "9"
    & skf18("1","4","9","6","3","1","1") = "8"
    & skf18("1","4","9","6","3","2","1") = "8"
    & skf18("1","4","9","6","3","3","1") = "8"
    & skf18("1","4","9","6","3","4","1") = "8"
    & skf18("1","4","9","6","3","5","1") = "8"
    & skf18("1","4","9","6","3","6","1") = "8"
    & skf18("1","4","9","6","3","7","1") = "8"
    & skf18("1","4","9","6","3","8","1") = "8"
    & skf18("1","4","9","6","3","9","1") = "8"
    & skf18("1","4","9","6","3","10","1") = "9"
    & skf18("1","4","9","6","4","1","1") = "8"
    & skf18("1","4","9","6","4","2","1") = "8"
    & skf18("1","4","9","6","4","3","1") = "8"
    & skf18("1","4","9","6","4","4","1") = "8"
    & skf18("1","4","9","6","4","5","1") = "8"
    & skf18("1","4","9","6","4","6","1") = "8"
    & skf18("1","4","9","6","4","7","1") = "8"
    & skf18("1","4","9","6","4","8","1") = "8"
    & skf18("1","4","9","6","4","9","1") = "8"
    & skf18("1","4","9","6","4","10","1") = "9"
    & skf18("1","4","9","6","5","1","1") = "8"
    & skf18("1","4","9","6","5","2","1") = "8"
    & skf18("1","4","9","6","5","3","1") = "8"
    & skf18("1","4","9","6","5","4","1") = "8"
    & skf18("1","4","9","6","5","5","1") = "8"
    & skf18("1","4","9","6","5","6","1") = "8"
    & skf18("1","4","9","6","5","7","1") = "8"
    & skf18("1","4","9","6","5","8","1") = "8"
    & skf18("1","4","9","6","5","9","1") = "8"
    & skf18("1","4","9","6","5","10","1") = "9"
    & skf18("1","4","9","6","6","1","1") = "8"
    & skf18("1","4","9","6","6","2","1") = "8"
    & skf18("1","4","9","6","6","3","1") = "8"
    & skf18("1","4","9","6","6","4","1") = "8"
    & skf18("1","4","9","6","6","5","1") = "8"
    & skf18("1","4","9","6","6","6","1") = "8"
    & skf18("1","4","9","6","6","7","1") = "8"
    & skf18("1","4","9","6","6","8","1") = "8"
    & skf18("1","4","9","6","6","9","1") = "8"
    & skf18("1","4","9","6","6","10","1") = "9"
    & skf18("1","4","9","6","7","1","1") = "8"
    & skf18("1","4","9","6","7","2","1") = "8"
    & skf18("1","4","9","6","7","3","1") = "8"
    & skf18("1","4","9","6","7","4","1") = "8"
    & skf18("1","4","9","6","7","5","1") = "8"
    & skf18("1","4","9","6","7","6","1") = "8"
    & skf18("1","4","9","6","7","7","1") = "8"
    & skf18("1","4","9","6","7","8","1") = "8"
    & skf18("1","4","9","6","7","9","1") = "8"
    & skf18("1","4","9","6","7","10","1") = "9"
    & skf18("1","4","9","6","8","1","1") = "8"
    & skf18("1","4","9","6","8","2","1") = "8"
    & skf18("1","4","9","6","8","3","1") = "8"
    & skf18("1","4","9","6","8","4","1") = "8"
    & skf18("1","4","9","6","8","5","1") = "8"
    & skf18("1","4","9","6","8","6","1") = "8"
    & skf18("1","4","9","6","8","7","1") = "8"
    & skf18("1","4","9","6","8","8","1") = "8"
    & skf18("1","4","9","6","8","9","1") = "8"
    & skf18("1","4","9","6","8","10","1") = "9"
    & skf18("1","4","9","6","9","1","1") = "8"
    & skf18("1","4","9","6","9","2","1") = "8"
    & skf18("1","4","9","6","9","3","1") = "8"
    & skf18("1","4","9","6","9","4","1") = "8"
    & skf18("1","4","9","6","9","5","1") = "8"
    & skf18("1","4","9","6","9","6","1") = "8"
    & skf18("1","4","9","6","9","7","1") = "8"
    & skf18("1","4","9","6","9","8","1") = "8"
    & skf18("1","4","9","6","9","9","1") = "8"
    & skf18("1","4","9","6","9","10","1") = "9"
    & skf18("1","4","9","6","10","1","1") = "9"
    & skf18("1","4","9","6","10","2","1") = "9"
    & skf18("1","4","9","6","10","3","1") = "9"
    & skf18("1","4","9","6","10","4","1") = "9"
    & skf18("1","4","9","6","10","5","1") = "9"
    & skf18("1","4","9","6","10","6","1") = "9"
    & skf18("1","4","9","6","10","7","1") = "9"
    & skf18("1","4","9","6","10","8","1") = "9"
    & skf18("1","4","9","6","10","9","1") = "9"
    & skf18("1","4","9","6","10","10","1") = "9"
    & skf18("1","4","9","7","1","1","1") = "8"
    & skf18("1","4","9","7","1","2","1") = "8"
    & skf18("1","4","9","7","1","3","1") = "8"
    & skf18("1","4","9","7","1","4","1") = "8"
    & skf18("1","4","9","7","1","5","1") = "8"
    & skf18("1","4","9","7","1","6","1") = "8"
    & skf18("1","4","9","7","1","7","1") = "8"
    & skf18("1","4","9","7","1","8","1") = "8"
    & skf18("1","4","9","7","1","9","1") = "8"
    & skf18("1","4","9","7","1","10","1") = "9"
    & skf18("1","4","9","7","2","1","1") = "8"
    & skf18("1","4","9","7","2","2","1") = "8"
    & skf18("1","4","9","7","2","3","1") = "8"
    & skf18("1","4","9","7","2","4","1") = "8"
    & skf18("1","4","9","7","2","5","1") = "8"
    & skf18("1","4","9","7","2","6","1") = "8"
    & skf18("1","4","9","7","2","7","1") = "8"
    & skf18("1","4","9","7","2","8","1") = "8"
    & skf18("1","4","9","7","2","9","1") = "8"
    & skf18("1","4","9","7","2","10","1") = "9"
    & skf18("1","4","9","7","3","1","1") = "8"
    & skf18("1","4","9","7","3","2","1") = "8"
    & skf18("1","4","9","7","3","3","1") = "8"
    & skf18("1","4","9","7","3","4","1") = "8"
    & skf18("1","4","9","7","3","5","1") = "8"
    & skf18("1","4","9","7","3","6","1") = "8"
    & skf18("1","4","9","7","3","7","1") = "8"
    & skf18("1","4","9","7","3","8","1") = "8"
    & skf18("1","4","9","7","3","9","1") = "8"
    & skf18("1","4","9","7","3","10","1") = "9"
    & skf18("1","4","9","7","4","1","1") = "8"
    & skf18("1","4","9","7","4","2","1") = "8"
    & skf18("1","4","9","7","4","3","1") = "8"
    & skf18("1","4","9","7","4","4","1") = "8"
    & skf18("1","4","9","7","4","5","1") = "8"
    & skf18("1","4","9","7","4","6","1") = "8"
    & skf18("1","4","9","7","4","7","1") = "8"
    & skf18("1","4","9","7","4","8","1") = "8"
    & skf18("1","4","9","7","4","9","1") = "8"
    & skf18("1","4","9","7","4","10","1") = "9"
    & skf18("1","4","9","7","5","1","1") = "8"
    & skf18("1","4","9","7","5","2","1") = "8"
    & skf18("1","4","9","7","5","3","1") = "8"
    & skf18("1","4","9","7","5","4","1") = "8"
    & skf18("1","4","9","7","5","5","1") = "8"
    & skf18("1","4","9","7","5","6","1") = "8"
    & skf18("1","4","9","7","5","7","1") = "8"
    & skf18("1","4","9","7","5","8","1") = "8"
    & skf18("1","4","9","7","5","9","1") = "8"
    & skf18("1","4","9","7","5","10","1") = "9"
    & skf18("1","4","9","7","6","1","1") = "8"
    & skf18("1","4","9","7","6","2","1") = "8"
    & skf18("1","4","9","7","6","3","1") = "8"
    & skf18("1","4","9","7","6","4","1") = "8"
    & skf18("1","4","9","7","6","5","1") = "8"
    & skf18("1","4","9","7","6","6","1") = "8"
    & skf18("1","4","9","7","6","7","1") = "8"
    & skf18("1","4","9","7","6","8","1") = "8"
    & skf18("1","4","9","7","6","9","1") = "8"
    & skf18("1","4","9","7","6","10","1") = "9"
    & skf18("1","4","9","7","7","1","1") = "8"
    & skf18("1","4","9","7","7","2","1") = "8"
    & skf18("1","4","9","7","7","3","1") = "8"
    & skf18("1","4","9","7","7","4","1") = "8"
    & skf18("1","4","9","7","7","5","1") = "8"
    & skf18("1","4","9","7","7","6","1") = "8"
    & skf18("1","4","9","7","7","7","1") = "8"
    & skf18("1","4","9","7","7","8","1") = "8"
    & skf18("1","4","9","7","7","9","1") = "8"
    & skf18("1","4","9","7","7","10","1") = "9"
    & skf18("1","4","9","7","8","1","1") = "8"
    & skf18("1","4","9","7","8","2","1") = "8"
    & skf18("1","4","9","7","8","3","1") = "8"
    & skf18("1","4","9","7","8","4","1") = "8"
    & skf18("1","4","9","7","8","5","1") = "8"
    & skf18("1","4","9","7","8","6","1") = "8"
    & skf18("1","4","9","7","8","7","1") = "8"
    & skf18("1","4","9","7","8","8","1") = "8"
    & skf18("1","4","9","7","8","9","1") = "8"
    & skf18("1","4","9","7","8","10","1") = "9"
    & skf18("1","4","9","7","9","1","1") = "8"
    & skf18("1","4","9","7","9","2","1") = "8"
    & skf18("1","4","9","7","9","3","1") = "8"
    & skf18("1","4","9","7","9","4","1") = "8"
    & skf18("1","4","9","7","9","5","1") = "8"
    & skf18("1","4","9","7","9","6","1") = "8"
    & skf18("1","4","9","7","9","7","1") = "8"
    & skf18("1","4","9","7","9","8","1") = "8"
    & skf18("1","4","9","7","9","9","1") = "8"
    & skf18("1","4","9","7","9","10","1") = "9"
    & skf18("1","4","9","7","10","1","1") = "9"
    & skf18("1","4","9","7","10","2","1") = "9"
    & skf18("1","4","9","7","10","3","1") = "9"
    & skf18("1","4","9","7","10","4","1") = "9"
    & skf18("1","4","9","7","10","5","1") = "9"
    & skf18("1","4","9","7","10","6","1") = "9"
    & skf18("1","4","9","7","10","7","1") = "9"
    & skf18("1","4","9","7","10","8","1") = "9"
    & skf18("1","4","9","7","10","9","1") = "9"
    & skf18("1","4","9","7","10","10","1") = "9"
    & skf18("1","4","9","8","1","1","1") = "8"
    & skf18("1","4","9","8","1","2","1") = "8"
    & skf18("1","4","9","8","1","3","1") = "8"
    & skf18("1","4","9","8","1","4","1") = "8"
    & skf18("1","4","9","8","1","5","1") = "8"
    & skf18("1","4","9","8","1","6","1") = "8"
    & skf18("1","4","9","8","1","7","1") = "8"
    & skf18("1","4","9","8","1","8","1") = "8"
    & skf18("1","4","9","8","1","9","1") = "8"
    & skf18("1","4","9","8","1","10","1") = "9"
    & skf18("1","4","9","8","2","1","1") = "8"
    & skf18("1","4","9","8","2","2","1") = "8"
    & skf18("1","4","9","8","2","3","1") = "8"
    & skf18("1","4","9","8","2","4","1") = "8"
    & skf18("1","4","9","8","2","5","1") = "8"
    & skf18("1","4","9","8","2","6","1") = "8"
    & skf18("1","4","9","8","2","7","1") = "8"
    & skf18("1","4","9","8","2","8","1") = "8"
    & skf18("1","4","9","8","2","9","1") = "8"
    & skf18("1","4","9","8","2","10","1") = "9"
    & skf18("1","4","9","8","3","1","1") = "8"
    & skf18("1","4","9","8","3","2","1") = "8"
    & skf18("1","4","9","8","3","3","1") = "8"
    & skf18("1","4","9","8","3","4","1") = "8"
    & skf18("1","4","9","8","3","5","1") = "8"
    & skf18("1","4","9","8","3","6","1") = "8"
    & skf18("1","4","9","8","3","7","1") = "8"
    & skf18("1","4","9","8","3","8","1") = "8"
    & skf18("1","4","9","8","3","9","1") = "8"
    & skf18("1","4","9","8","3","10","1") = "9"
    & skf18("1","4","9","8","4","1","1") = "8"
    & skf18("1","4","9","8","4","2","1") = "8"
    & skf18("1","4","9","8","4","3","1") = "8"
    & skf18("1","4","9","8","4","4","1") = "8"
    & skf18("1","4","9","8","4","5","1") = "8"
    & skf18("1","4","9","8","4","6","1") = "8"
    & skf18("1","4","9","8","4","7","1") = "8"
    & skf18("1","4","9","8","4","8","1") = "8"
    & skf18("1","4","9","8","4","9","1") = "8"
    & skf18("1","4","9","8","4","10","1") = "9"
    & skf18("1","4","9","8","5","1","1") = "8"
    & skf18("1","4","9","8","5","2","1") = "8"
    & skf18("1","4","9","8","5","3","1") = "8"
    & skf18("1","4","9","8","5","4","1") = "8"
    & skf18("1","4","9","8","5","5","1") = "8"
    & skf18("1","4","9","8","5","6","1") = "8"
    & skf18("1","4","9","8","5","7","1") = "8"
    & skf18("1","4","9","8","5","8","1") = "8"
    & skf18("1","4","9","8","5","9","1") = "8"
    & skf18("1","4","9","8","5","10","1") = "9"
    & skf18("1","4","9","8","6","1","1") = "8"
    & skf18("1","4","9","8","6","2","1") = "8"
    & skf18("1","4","9","8","6","3","1") = "8"
    & skf18("1","4","9","8","6","4","1") = "8"
    & skf18("1","4","9","8","6","5","1") = "8"
    & skf18("1","4","9","8","6","6","1") = "8"
    & skf18("1","4","9","8","6","7","1") = "8"
    & skf18("1","4","9","8","6","8","1") = "8"
    & skf18("1","4","9","8","6","9","1") = "8"
    & skf18("1","4","9","8","6","10","1") = "9"
    & skf18("1","4","9","8","7","1","1") = "8"
    & skf18("1","4","9","8","7","2","1") = "8"
    & skf18("1","4","9","8","7","3","1") = "8"
    & skf18("1","4","9","8","7","4","1") = "8"
    & skf18("1","4","9","8","7","5","1") = "8"
    & skf18("1","4","9","8","7","6","1") = "8"
    & skf18("1","4","9","8","7","7","1") = "8"
    & skf18("1","4","9","8","7","8","1") = "8"
    & skf18("1","4","9","8","7","9","1") = "8"
    & skf18("1","4","9","8","7","10","1") = "9"
    & skf18("1","4","9","8","8","1","1") = "8"
    & skf18("1","4","9","8","8","2","1") = "8"
    & skf18("1","4","9","8","8","3","1") = "8"
    & skf18("1","4","9","8","8","4","1") = "8"
    & skf18("1","4","9","8","8","5","1") = "8"
    & skf18("1","4","9","8","8","6","1") = "8"
    & skf18("1","4","9","8","8","7","1") = "8"
    & skf18("1","4","9","8","8","8","1") = "8"
    & skf18("1","4","9","8","8","9","1") = "8"
    & skf18("1","4","9","8","8","10","1") = "9"
    & skf18("1","4","9","8","9","1","1") = "8"
    & skf18("1","4","9","8","9","2","1") = "8"
    & skf18("1","4","9","8","9","3","1") = "8"
    & skf18("1","4","9","8","9","4","1") = "8"
    & skf18("1","4","9","8","9","5","1") = "8"
    & skf18("1","4","9","8","9","6","1") = "8"
    & skf18("1","4","9","8","9","7","1") = "8"
    & skf18("1","4","9","8","9","8","1") = "8"
    & skf18("1","4","9","8","9","9","1") = "8"
    & skf18("1","4","9","8","9","10","1") = "9"
    & skf18("1","4","9","8","10","1","1") = "9"
    & skf18("1","4","9","8","10","2","1") = "9"
    & skf18("1","4","9","8","10","3","1") = "9"
    & skf18("1","4","9","8","10","4","1") = "9"
    & skf18("1","4","9","8","10","5","1") = "9"
    & skf18("1","4","9","8","10","6","1") = "9"
    & skf18("1","4","9","8","10","7","1") = "9"
    & skf18("1","4","9","8","10","8","1") = "9"
    & skf18("1","4","9","8","10","9","1") = "9"
    & skf18("1","4","9","8","10","10","1") = "9"
    & skf18("1","4","9","9","1","1","1") = "8"
    & skf18("1","4","9","9","1","2","1") = "8"
    & skf18("1","4","9","9","1","3","1") = "8"
    & skf18("1","4","9","9","1","4","1") = "8"
    & skf18("1","4","9","9","1","5","1") = "8"
    & skf18("1","4","9","9","1","6","1") = "8"
    & skf18("1","4","9","9","1","7","1") = "8"
    & skf18("1","4","9","9","1","8","1") = "8"
    & skf18("1","4","9","9","1","9","1") = "8"
    & skf18("1","4","9","9","1","10","1") = "9"
    & skf18("1","4","9","9","2","1","1") = "8"
    & skf18("1","4","9","9","2","2","1") = "8"
    & skf18("1","4","9","9","2","3","1") = "8"
    & skf18("1","4","9","9","2","4","1") = "8"
    & skf18("1","4","9","9","2","5","1") = "8"
    & skf18("1","4","9","9","2","6","1") = "8"
    & skf18("1","4","9","9","2","7","1") = "8"
    & skf18("1","4","9","9","2","8","1") = "8"
    & skf18("1","4","9","9","2","9","1") = "8"
    & skf18("1","4","9","9","2","10","1") = "9"
    & skf18("1","4","9","9","3","1","1") = "8"
    & skf18("1","4","9","9","3","2","1") = "8"
    & skf18("1","4","9","9","3","3","1") = "8"
    & skf18("1","4","9","9","3","4","1") = "8"
    & skf18("1","4","9","9","3","5","1") = "8"
    & skf18("1","4","9","9","3","6","1") = "8"
    & skf18("1","4","9","9","3","7","1") = "8"
    & skf18("1","4","9","9","3","8","1") = "8"
    & skf18("1","4","9","9","3","9","1") = "8"
    & skf18("1","4","9","9","3","10","1") = "9"
    & skf18("1","4","9","9","4","1","1") = "8"
    & skf18("1","4","9","9","4","2","1") = "8"
    & skf18("1","4","9","9","4","3","1") = "8"
    & skf18("1","4","9","9","4","4","1") = "8"
    & skf18("1","4","9","9","4","5","1") = "8"
    & skf18("1","4","9","9","4","6","1") = "8"
    & skf18("1","4","9","9","4","7","1") = "8"
    & skf18("1","4","9","9","4","8","1") = "8"
    & skf18("1","4","9","9","4","9","1") = "8"
    & skf18("1","4","9","9","4","10","1") = "9"
    & skf18("1","4","9","9","5","1","1") = "8"
    & skf18("1","4","9","9","5","2","1") = "8"
    & skf18("1","4","9","9","5","3","1") = "8"
    & skf18("1","4","9","9","5","4","1") = "8"
    & skf18("1","4","9","9","5","5","1") = "8"
    & skf18("1","4","9","9","5","6","1") = "8"
    & skf18("1","4","9","9","5","7","1") = "8"
    & skf18("1","4","9","9","5","8","1") = "8"
    & skf18("1","4","9","9","5","9","1") = "8"
    & skf18("1","4","9","9","5","10","1") = "9"
    & skf18("1","4","9","9","6","1","1") = "8"
    & skf18("1","4","9","9","6","2","1") = "8"
    & skf18("1","4","9","9","6","3","1") = "8"
    & skf18("1","4","9","9","6","4","1") = "8"
    & skf18("1","4","9","9","6","5","1") = "8"
    & skf18("1","4","9","9","6","6","1") = "8"
    & skf18("1","4","9","9","6","7","1") = "8"
    & skf18("1","4","9","9","6","8","1") = "8"
    & skf18("1","4","9","9","6","9","1") = "8"
    & skf18("1","4","9","9","6","10","1") = "9"
    & skf18("1","4","9","9","7","1","1") = "8"
    & skf18("1","4","9","9","7","2","1") = "8"
    & skf18("1","4","9","9","7","3","1") = "8"
    & skf18("1","4","9","9","7","4","1") = "8"
    & skf18("1","4","9","9","7","5","1") = "8"
    & skf18("1","4","9","9","7","6","1") = "8"
    & skf18("1","4","9","9","7","7","1") = "8"
    & skf18("1","4","9","9","7","8","1") = "8"
    & skf18("1","4","9","9","7","9","1") = "8"
    & skf18("1","4","9","9","7","10","1") = "9"
    & skf18("1","4","9","9","8","1","1") = "8"
    & skf18("1","4","9","9","8","2","1") = "8"
    & skf18("1","4","9","9","8","3","1") = "8"
    & skf18("1","4","9","9","8","4","1") = "8"
    & skf18("1","4","9","9","8","5","1") = "8"
    & skf18("1","4","9","9","8","6","1") = "8"
    & skf18("1","4","9","9","8","7","1") = "8"
    & skf18("1","4","9","9","8","8","1") = "8"
    & skf18("1","4","9","9","8","9","1") = "8"
    & skf18("1","4","9","9","8","10","1") = "9"
    & skf18("1","4","9","9","9","1","1") = "8"
    & skf18("1","4","9","9","9","2","1") = "8"
    & skf18("1","4","9","9","9","3","1") = "8"
    & skf18("1","4","9","9","9","4","1") = "8"
    & skf18("1","4","9","9","9","5","1") = "8"
    & skf18("1","4","9","9","9","6","1") = "8"
    & skf18("1","4","9","9","9","7","1") = "8"
    & skf18("1","4","9","9","9","8","1") = "8"
    & skf18("1","4","9","9","9","9","1") = "8"
    & skf18("1","4","9","9","9","10","1") = "9"
    & skf18("1","4","9","9","10","1","1") = "9"
    & skf18("1","4","9","9","10","2","1") = "9"
    & skf18("1","4","9","9","10","3","1") = "9"
    & skf18("1","4","9","9","10","4","1") = "9"
    & skf18("1","4","9","9","10","5","1") = "9"
    & skf18("1","4","9","9","10","6","1") = "9"
    & skf18("1","4","9","9","10","7","1") = "9"
    & skf18("1","4","9","9","10","8","1") = "9"
    & skf18("1","4","9","9","10","9","1") = "9"
    & skf18("1","4","9","9","10","10","1") = "9"
    & skf18("1","4","9","10","1","1","1") = "9"
    & skf18("1","4","9","10","1","2","1") = "9"
    & skf18("1","4","9","10","1","3","1") = "9"
    & skf18("1","4","9","10","1","4","1") = "9"
    & skf18("1","4","9","10","1","5","1") = "9"
    & skf18("1","4","9","10","1","6","1") = "9"
    & skf18("1","4","9","10","1","7","1") = "9"
    & skf18("1","4","9","10","1","8","1") = "9"
    & skf18("1","4","9","10","1","9","1") = "9"
    & skf18("1","4","9","10","1","10","1") = "9"
    & skf18("1","4","9","10","2","1","1") = "9"
    & skf18("1","4","9","10","2","2","1") = "9"
    & skf18("1","4","9","10","2","3","1") = "9"
    & skf18("1","4","9","10","2","4","1") = "9"
    & skf18("1","4","9","10","2","5","1") = "9"
    & skf18("1","4","9","10","2","6","1") = "9"
    & skf18("1","4","9","10","2","7","1") = "9"
    & skf18("1","4","9","10","2","8","1") = "9"
    & skf18("1","4","9","10","2","9","1") = "9"
    & skf18("1","4","9","10","2","10","1") = "9"
    & skf18("1","4","9","10","3","1","1") = "9"
    & skf18("1","4","9","10","3","2","1") = "9"
    & skf18("1","4","9","10","3","3","1") = "9"
    & skf18("1","4","9","10","3","4","1") = "9"
    & skf18("1","4","9","10","3","5","1") = "9"
    & skf18("1","4","9","10","3","6","1") = "9"
    & skf18("1","4","9","10","3","7","1") = "9"
    & skf18("1","4","9","10","3","8","1") = "9"
    & skf18("1","4","9","10","3","9","1") = "9"
    & skf18("1","4","9","10","3","10","1") = "9"
    & skf18("1","4","9","10","4","1","1") = "9"
    & skf18("1","4","9","10","4","2","1") = "9"
    & skf18("1","4","9","10","4","3","1") = "9"
    & skf18("1","4","9","10","4","4","1") = "9"
    & skf18("1","4","9","10","4","5","1") = "9"
    & skf18("1","4","9","10","4","6","1") = "9"
    & skf18("1","4","9","10","4","7","1") = "9"
    & skf18("1","4","9","10","4","8","1") = "9"
    & skf18("1","4","9","10","4","9","1") = "9"
    & skf18("1","4","9","10","4","10","1") = "9"
    & skf18("1","4","9","10","5","1","1") = "9"
    & skf18("1","4","9","10","5","2","1") = "9"
    & skf18("1","4","9","10","5","3","1") = "9"
    & skf18("1","4","9","10","5","4","1") = "9"
    & skf18("1","4","9","10","5","5","1") = "9"
    & skf18("1","4","9","10","5","6","1") = "9"
    & skf18("1","4","9","10","5","7","1") = "9"
    & skf18("1","4","9","10","5","8","1") = "9"
    & skf18("1","4","9","10","5","9","1") = "9"
    & skf18("1","4","9","10","5","10","1") = "9"
    & skf18("1","4","9","10","6","1","1") = "9"
    & skf18("1","4","9","10","6","2","1") = "9"
    & skf18("1","4","9","10","6","3","1") = "9"
    & skf18("1","4","9","10","6","4","1") = "9"
    & skf18("1","4","9","10","6","5","1") = "9"
    & skf18("1","4","9","10","6","6","1") = "9"
    & skf18("1","4","9","10","6","7","1") = "9"
    & skf18("1","4","9","10","6","8","1") = "9"
    & skf18("1","4","9","10","6","9","1") = "9"
    & skf18("1","4","9","10","6","10","1") = "9"
    & skf18("1","4","9","10","7","1","1") = "9"
    & skf18("1","4","9","10","7","2","1") = "9"
    & skf18("1","4","9","10","7","3","1") = "9"
    & skf18("1","4","9","10","7","4","1") = "9"
    & skf18("1","4","9","10","7","5","1") = "9"
    & skf18("1","4","9","10","7","6","1") = "9"
    & skf18("1","4","9","10","7","7","1") = "9"
    & skf18("1","4","9","10","7","8","1") = "9"
    & skf18("1","4","9","10","7","9","1") = "9"
    & skf18("1","4","9","10","7","10","1") = "9"
    & skf18("1","4","9","10","8","1","1") = "9"
    & skf18("1","4","9","10","8","2","1") = "9"
    & skf18("1","4","9","10","8","3","1") = "9"
    & skf18("1","4","9","10","8","4","1") = "9"
    & skf18("1","4","9","10","8","5","1") = "9"
    & skf18("1","4","9","10","8","6","1") = "9"
    & skf18("1","4","9","10","8","7","1") = "9"
    & skf18("1","4","9","10","8","8","1") = "9"
    & skf18("1","4","9","10","8","9","1") = "9"
    & skf18("1","4","9","10","8","10","1") = "9"
    & skf18("1","4","9","10","9","1","1") = "9"
    & skf18("1","4","9","10","9","2","1") = "9"
    & skf18("1","4","9","10","9","3","1") = "9"
    & skf18("1","4","9","10","9","4","1") = "9"
    & skf18("1","4","9","10","9","5","1") = "9"
    & skf18("1","4","9","10","9","6","1") = "9"
    & skf18("1","4","9","10","9","7","1") = "9"
    & skf18("1","4","9","10","9","8","1") = "9"
    & skf18("1","4","9","10","9","9","1") = "9"
    & skf18("1","4","9","10","9","10","1") = "9"
    & skf18("1","4","9","10","10","1","1") = "9"
    & skf18("1","4","9","10","10","2","1") = "9"
    & skf18("1","4","9","10","10","3","1") = "9"
    & skf18("1","4","9","10","10","4","1") = "9"
    & skf18("1","4","9","10","10","5","1") = "9"
    & skf18("1","4","9","10","10","6","1") = "9"
    & skf18("1","4","9","10","10","7","1") = "9"
    & skf18("1","4","9","10","10","8","1") = "9"
    & skf18("1","4","9","10","10","9","1") = "9"
    & skf18("1","4","9","10","10","10","1") = "9"
    & skf18("1","4","10","1","1","1","1") = "9"
    & skf18("1","4","10","1","1","2","1") = "9"
    & skf18("1","4","10","1","1","3","1") = "9"
    & skf18("1","4","10","1","1","4","1") = "9"
    & skf18("1","4","10","1","1","5","1") = "9"
    & skf18("1","4","10","1","1","6","1") = "9"
    & skf18("1","4","10","1","1","7","1") = "9"
    & skf18("1","4","10","1","1","8","1") = "9"
    & skf18("1","4","10","1","1","9","1") = "9"
    & skf18("1","4","10","1","1","10","1") = "9"
    & skf18("1","4","10","1","2","1","1") = "9"
    & skf18("1","4","10","1","2","2","1") = "9"
    & skf18("1","4","10","1","2","3","1") = "9"
    & skf18("1","4","10","1","2","4","1") = "9"
    & skf18("1","4","10","1","2","5","1") = "9"
    & skf18("1","4","10","1","2","6","1") = "9"
    & skf18("1","4","10","1","2","7","1") = "9"
    & skf18("1","4","10","1","2","8","1") = "9"
    & skf18("1","4","10","1","2","9","1") = "9"
    & skf18("1","4","10","1","2","10","1") = "9"
    & skf18("1","4","10","1","3","1","1") = "9"
    & skf18("1","4","10","1","3","2","1") = "9"
    & skf18("1","4","10","1","3","3","1") = "9"
    & skf18("1","4","10","1","3","4","1") = "9"
    & skf18("1","4","10","1","3","5","1") = "9"
    & skf18("1","4","10","1","3","6","1") = "9"
    & skf18("1","4","10","1","3","7","1") = "9"
    & skf18("1","4","10","1","3","8","1") = "9"
    & skf18("1","4","10","1","3","9","1") = "9"
    & skf18("1","4","10","1","3","10","1") = "9"
    & skf18("1","4","10","1","4","1","1") = "9"
    & skf18("1","4","10","1","4","2","1") = "9"
    & skf18("1","4","10","1","4","3","1") = "9"
    & skf18("1","4","10","1","4","4","1") = "9"
    & skf18("1","4","10","1","4","5","1") = "9"
    & skf18("1","4","10","1","4","6","1") = "9"
    & skf18("1","4","10","1","4","7","1") = "9"
    & skf18("1","4","10","1","4","8","1") = "9"
    & skf18("1","4","10","1","4","9","1") = "9"
    & skf18("1","4","10","1","4","10","1") = "9"
    & skf18("1","4","10","1","5","1","1") = "9"
    & skf18("1","4","10","1","5","2","1") = "9"
    & skf18("1","4","10","1","5","3","1") = "9"
    & skf18("1","4","10","1","5","4","1") = "9"
    & skf18("1","4","10","1","5","5","1") = "9"
    & skf18("1","4","10","1","5","6","1") = "9"
    & skf18("1","4","10","1","5","7","1") = "9"
    & skf18("1","4","10","1","5","8","1") = "9"
    & skf18("1","4","10","1","5","9","1") = "9"
    & skf18("1","4","10","1","5","10","1") = "9"
    & skf18("1","4","10","1","6","1","1") = "9"
    & skf18("1","4","10","1","6","2","1") = "9"
    & skf18("1","4","10","1","6","3","1") = "9"
    & skf18("1","4","10","1","6","4","1") = "9"
    & skf18("1","4","10","1","6","5","1") = "9"
    & skf18("1","4","10","1","6","6","1") = "9"
    & skf18("1","4","10","1","6","7","1") = "9"
    & skf18("1","4","10","1","6","8","1") = "9"
    & skf18("1","4","10","1","6","9","1") = "9"
    & skf18("1","4","10","1","6","10","1") = "9"
    & skf18("1","4","10","1","7","1","1") = "9"
    & skf18("1","4","10","1","7","2","1") = "9"
    & skf18("1","4","10","1","7","3","1") = "9"
    & skf18("1","4","10","1","7","4","1") = "9"
    & skf18("1","4","10","1","7","5","1") = "9"
    & skf18("1","4","10","1","7","6","1") = "9"
    & skf18("1","4","10","1","7","7","1") = "9"
    & skf18("1","4","10","1","7","8","1") = "9"
    & skf18("1","4","10","1","7","9","1") = "9"
    & skf18("1","4","10","1","7","10","1") = "9"
    & skf18("1","4","10","1","8","1","1") = "9"
    & skf18("1","4","10","1","8","2","1") = "9"
    & skf18("1","4","10","1","8","3","1") = "9"
    & skf18("1","4","10","1","8","4","1") = "9"
    & skf18("1","4","10","1","8","5","1") = "9"
    & skf18("1","4","10","1","8","6","1") = "9"
    & skf18("1","4","10","1","8","7","1") = "9"
    & skf18("1","4","10","1","8","8","1") = "9"
    & skf18("1","4","10","1","8","9","1") = "9"
    & skf18("1","4","10","1","8","10","1") = "9"
    & skf18("1","4","10","1","9","1","1") = "9"
    & skf18("1","4","10","1","9","2","1") = "9"
    & skf18("1","4","10","1","9","3","1") = "9"
    & skf18("1","4","10","1","9","4","1") = "9"
    & skf18("1","4","10","1","9","5","1") = "9"
    & skf18("1","4","10","1","9","6","1") = "9"
    & skf18("1","4","10","1","9","7","1") = "9"
    & skf18("1","4","10","1","9","8","1") = "9"
    & skf18("1","4","10","1","9","9","1") = "9"
    & skf18("1","4","10","1","9","10","1") = "9"
    & skf18("1","4","10","1","10","1","1") = "9"
    & skf18("1","4","10","1","10","2","1") = "9"
    & skf18("1","4","10","1","10","3","1") = "9"
    & skf18("1","4","10","1","10","4","1") = "9"
    & skf18("1","4","10","1","10","5","1") = "9"
    & skf18("1","4","10","1","10","6","1") = "9"
    & skf18("1","4","10","1","10","7","1") = "9"
    & skf18("1","4","10","1","10","8","1") = "9"
    & skf18("1","4","10","1","10","9","1") = "9"
    & skf18("1","4","10","1","10","10","1") = "9"
    & skf18("1","4","10","2","1","1","1") = "9"
    & skf18("1","4","10","2","1","2","1") = "9"
    & skf18("1","4","10","2","1","3","1") = "9"
    & skf18("1","4","10","2","1","4","1") = "9"
    & skf18("1","4","10","2","1","5","1") = "9"
    & skf18("1","4","10","2","1","6","1") = "9"
    & skf18("1","4","10","2","1","7","1") = "9"
    & skf18("1","4","10","2","1","8","1") = "9"
    & skf18("1","4","10","2","1","9","1") = "9"
    & skf18("1","4","10","2","1","10","1") = "9"
    & skf18("1","4","10","2","2","1","1") = "9"
    & skf18("1","4","10","2","2","2","1") = "9"
    & skf18("1","4","10","2","2","3","1") = "9"
    & skf18("1","4","10","2","2","4","1") = "9"
    & skf18("1","4","10","2","2","5","1") = "9"
    & skf18("1","4","10","2","2","6","1") = "9"
    & skf18("1","4","10","2","2","7","1") = "9"
    & skf18("1","4","10","2","2","8","1") = "9"
    & skf18("1","4","10","2","2","9","1") = "9"
    & skf18("1","4","10","2","2","10","1") = "9"
    & skf18("1","4","10","2","3","1","1") = "9"
    & skf18("1","4","10","2","3","2","1") = "9"
    & skf18("1","4","10","2","3","3","1") = "9"
    & skf18("1","4","10","2","3","4","1") = "9"
    & skf18("1","4","10","2","3","5","1") = "9"
    & skf18("1","4","10","2","3","6","1") = "9"
    & skf18("1","4","10","2","3","7","1") = "9"
    & skf18("1","4","10","2","3","8","1") = "9"
    & skf18("1","4","10","2","3","9","1") = "9"
    & skf18("1","4","10","2","3","10","1") = "9"
    & skf18("1","4","10","2","4","1","1") = "9"
    & skf18("1","4","10","2","4","2","1") = "9"
    & skf18("1","4","10","2","4","3","1") = "9"
    & skf18("1","4","10","2","4","4","1") = "9"
    & skf18("1","4","10","2","4","5","1") = "9"
    & skf18("1","4","10","2","4","6","1") = "9"
    & skf18("1","4","10","2","4","7","1") = "9"
    & skf18("1","4","10","2","4","8","1") = "9"
    & skf18("1","4","10","2","4","9","1") = "9"
    & skf18("1","4","10","2","4","10","1") = "9"
    & skf18("1","4","10","2","5","1","1") = "9"
    & skf18("1","4","10","2","5","2","1") = "9"
    & skf18("1","4","10","2","5","3","1") = "9"
    & skf18("1","4","10","2","5","4","1") = "9"
    & skf18("1","4","10","2","5","5","1") = "9"
    & skf18("1","4","10","2","5","6","1") = "9"
    & skf18("1","4","10","2","5","7","1") = "9"
    & skf18("1","4","10","2","5","8","1") = "9"
    & skf18("1","4","10","2","5","9","1") = "9"
    & skf18("1","4","10","2","5","10","1") = "9"
    & skf18("1","4","10","2","6","1","1") = "9"
    & skf18("1","4","10","2","6","2","1") = "9"
    & skf18("1","4","10","2","6","3","1") = "9"
    & skf18("1","4","10","2","6","4","1") = "9"
    & skf18("1","4","10","2","6","5","1") = "9"
    & skf18("1","4","10","2","6","6","1") = "9"
    & skf18("1","4","10","2","6","7","1") = "9"
    & skf18("1","4","10","2","6","8","1") = "9"
    & skf18("1","4","10","2","6","9","1") = "9"
    & skf18("1","4","10","2","6","10","1") = "9"
    & skf18("1","4","10","2","7","1","1") = "9"
    & skf18("1","4","10","2","7","2","1") = "9"
    & skf18("1","4","10","2","7","3","1") = "9"
    & skf18("1","4","10","2","7","4","1") = "9"
    & skf18("1","4","10","2","7","5","1") = "9"
    & skf18("1","4","10","2","7","6","1") = "9"
    & skf18("1","4","10","2","7","7","1") = "9"
    & skf18("1","4","10","2","7","8","1") = "9"
    & skf18("1","4","10","2","7","9","1") = "9"
    & skf18("1","4","10","2","7","10","1") = "9"
    & skf18("1","4","10","2","8","1","1") = "9"
    & skf18("1","4","10","2","8","2","1") = "9"
    & skf18("1","4","10","2","8","3","1") = "9"
    & skf18("1","4","10","2","8","4","1") = "9"
    & skf18("1","4","10","2","8","5","1") = "9"
    & skf18("1","4","10","2","8","6","1") = "9"
    & skf18("1","4","10","2","8","7","1") = "9"
    & skf18("1","4","10","2","8","8","1") = "9"
    & skf18("1","4","10","2","8","9","1") = "9"
    & skf18("1","4","10","2","8","10","1") = "9"
    & skf18("1","4","10","2","9","1","1") = "9"
    & skf18("1","4","10","2","9","2","1") = "9"
    & skf18("1","4","10","2","9","3","1") = "9"
    & skf18("1","4","10","2","9","4","1") = "9"
    & skf18("1","4","10","2","9","5","1") = "9"
    & skf18("1","4","10","2","9","6","1") = "9"
    & skf18("1","4","10","2","9","7","1") = "9"
    & skf18("1","4","10","2","9","8","1") = "9"
    & skf18("1","4","10","2","9","9","1") = "9"
    & skf18("1","4","10","2","9","10","1") = "9"
    & skf18("1","4","10","2","10","1","1") = "9"
    & skf18("1","4","10","2","10","2","1") = "9"
    & skf18("1","4","10","2","10","3","1") = "9"
    & skf18("1","4","10","2","10","4","1") = "9"
    & skf18("1","4","10","2","10","5","1") = "9"
    & skf18("1","4","10","2","10","6","1") = "9"
    & skf18("1","4","10","2","10","7","1") = "9"
    & skf18("1","4","10","2","10","8","1") = "9"
    & skf18("1","4","10","2","10","9","1") = "9"
    & skf18("1","4","10","2","10","10","1") = "9"
    & skf18("1","4","10","3","1","1","1") = "9"
    & skf18("1","4","10","3","1","2","1") = "9"
    & skf18("1","4","10","3","1","3","1") = "9"
    & skf18("1","4","10","3","1","4","1") = "9"
    & skf18("1","4","10","3","1","5","1") = "9"
    & skf18("1","4","10","3","1","6","1") = "9"
    & skf18("1","4","10","3","1","7","1") = "9"
    & skf18("1","4","10","3","1","8","1") = "9"
    & skf18("1","4","10","3","1","9","1") = "9"
    & skf18("1","4","10","3","1","10","1") = "9"
    & skf18("1","4","10","3","2","1","1") = "9"
    & skf18("1","4","10","3","2","2","1") = "9"
    & skf18("1","4","10","3","2","3","1") = "9"
    & skf18("1","4","10","3","2","4","1") = "9"
    & skf18("1","4","10","3","2","5","1") = "9"
    & skf18("1","4","10","3","2","6","1") = "9"
    & skf18("1","4","10","3","2","7","1") = "9"
    & skf18("1","4","10","3","2","8","1") = "9"
    & skf18("1","4","10","3","2","9","1") = "9"
    & skf18("1","4","10","3","2","10","1") = "9"
    & skf18("1","4","10","3","3","1","1") = "9"
    & skf18("1","4","10","3","3","2","1") = "9"
    & skf18("1","4","10","3","3","3","1") = "9"
    & skf18("1","4","10","3","3","4","1") = "9"
    & skf18("1","4","10","3","3","5","1") = "9"
    & skf18("1","4","10","3","3","6","1") = "9"
    & skf18("1","4","10","3","3","7","1") = "9"
    & skf18("1","4","10","3","3","8","1") = "9"
    & skf18("1","4","10","3","3","9","1") = "9"
    & skf18("1","4","10","3","3","10","1") = "9"
    & skf18("1","4","10","3","4","1","1") = "9"
    & skf18("1","4","10","3","4","2","1") = "9"
    & skf18("1","4","10","3","4","3","1") = "9"
    & skf18("1","4","10","3","4","4","1") = "9"
    & skf18("1","4","10","3","4","5","1") = "9"
    & skf18("1","4","10","3","4","6","1") = "9"
    & skf18("1","4","10","3","4","7","1") = "9"
    & skf18("1","4","10","3","4","8","1") = "9"
    & skf18("1","4","10","3","4","9","1") = "9"
    & skf18("1","4","10","3","4","10","1") = "9"
    & skf18("1","4","10","3","5","1","1") = "9"
    & skf18("1","4","10","3","5","2","1") = "9"
    & skf18("1","4","10","3","5","3","1") = "9"
    & skf18("1","4","10","3","5","4","1") = "9"
    & skf18("1","4","10","3","5","5","1") = "9"
    & skf18("1","4","10","3","5","6","1") = "9"
    & skf18("1","4","10","3","5","7","1") = "9"
    & skf18("1","4","10","3","5","8","1") = "9"
    & skf18("1","4","10","3","5","9","1") = "9"
    & skf18("1","4","10","3","5","10","1") = "9"
    & skf18("1","4","10","3","6","1","1") = "9"
    & skf18("1","4","10","3","6","2","1") = "9"
    & skf18("1","4","10","3","6","3","1") = "9"
    & skf18("1","4","10","3","6","4","1") = "9"
    & skf18("1","4","10","3","6","5","1") = "9"
    & skf18("1","4","10","3","6","6","1") = "9"
    & skf18("1","4","10","3","6","7","1") = "9"
    & skf18("1","4","10","3","6","8","1") = "9"
    & skf18("1","4","10","3","6","9","1") = "9"
    & skf18("1","4","10","3","6","10","1") = "9"
    & skf18("1","4","10","3","7","1","1") = "9"
    & skf18("1","4","10","3","7","2","1") = "9"
    & skf18("1","4","10","3","7","3","1") = "9"
    & skf18("1","4","10","3","7","4","1") = "9"
    & skf18("1","4","10","3","7","5","1") = "9"
    & skf18("1","4","10","3","7","6","1") = "9"
    & skf18("1","4","10","3","7","7","1") = "9"
    & skf18("1","4","10","3","7","8","1") = "9"
    & skf18("1","4","10","3","7","9","1") = "9"
    & skf18("1","4","10","3","7","10","1") = "9"
    & skf18("1","4","10","3","8","1","1") = "9"
    & skf18("1","4","10","3","8","2","1") = "9"
    & skf18("1","4","10","3","8","3","1") = "9"
    & skf18("1","4","10","3","8","4","1") = "9"
    & skf18("1","4","10","3","8","5","1") = "9"
    & skf18("1","4","10","3","8","6","1") = "9"
    & skf18("1","4","10","3","8","7","1") = "9"
    & skf18("1","4","10","3","8","8","1") = "9"
    & skf18("1","4","10","3","8","9","1") = "9"
    & skf18("1","4","10","3","8","10","1") = "9"
    & skf18("1","4","10","3","9","1","1") = "9"
    & skf18("1","4","10","3","9","2","1") = "9"
    & skf18("1","4","10","3","9","3","1") = "9"
    & skf18("1","4","10","3","9","4","1") = "9"
    & skf18("1","4","10","3","9","5","1") = "9"
    & skf18("1","4","10","3","9","6","1") = "9"
    & skf18("1","4","10","3","9","7","1") = "9"
    & skf18("1","4","10","3","9","8","1") = "9"
    & skf18("1","4","10","3","9","9","1") = "9"
    & skf18("1","4","10","3","9","10","1") = "9"
    & skf18("1","4","10","3","10","1","1") = "9"
    & skf18("1","4","10","3","10","2","1") = "9"
    & skf18("1","4","10","3","10","3","1") = "9"
    & skf18("1","4","10","3","10","4","1") = "9"
    & skf18("1","4","10","3","10","5","1") = "9"
    & skf18("1","4","10","3","10","6","1") = "9"
    & skf18("1","4","10","3","10","7","1") = "9"
    & skf18("1","4","10","3","10","8","1") = "9"
    & skf18("1","4","10","3","10","9","1") = "9"
    & skf18("1","4","10","3","10","10","1") = "9"
    & skf18("1","4","10","4","1","1","1") = "9"
    & skf18("1","4","10","4","1","2","1") = "9"
    & skf18("1","4","10","4","1","3","1") = "9"
    & skf18("1","4","10","4","1","4","1") = "9"
    & skf18("1","4","10","4","1","5","1") = "9"
    & skf18("1","4","10","4","1","6","1") = "9"
    & skf18("1","4","10","4","1","7","1") = "9"
    & skf18("1","4","10","4","1","8","1") = "9"
    & skf18("1","4","10","4","1","9","1") = "9"
    & skf18("1","4","10","4","1","10","1") = "9"
    & skf18("1","4","10","4","2","1","1") = "9"
    & skf18("1","4","10","4","2","2","1") = "9"
    & skf18("1","4","10","4","2","3","1") = "9"
    & skf18("1","4","10","4","2","4","1") = "9"
    & skf18("1","4","10","4","2","5","1") = "9"
    & skf18("1","4","10","4","2","6","1") = "9"
    & skf18("1","4","10","4","2","7","1") = "9"
    & skf18("1","4","10","4","2","8","1") = "9"
    & skf18("1","4","10","4","2","9","1") = "9"
    & skf18("1","4","10","4","2","10","1") = "9"
    & skf18("1","4","10","4","3","1","1") = "9"
    & skf18("1","4","10","4","3","2","1") = "9"
    & skf18("1","4","10","4","3","3","1") = "9"
    & skf18("1","4","10","4","3","4","1") = "9"
    & skf18("1","4","10","4","3","5","1") = "9"
    & skf18("1","4","10","4","3","6","1") = "9"
    & skf18("1","4","10","4","3","7","1") = "9"
    & skf18("1","4","10","4","3","8","1") = "9"
    & skf18("1","4","10","4","3","9","1") = "9"
    & skf18("1","4","10","4","3","10","1") = "9"
    & skf18("1","4","10","4","4","1","1") = "9"
    & skf18("1","4","10","4","4","2","1") = "9"
    & skf18("1","4","10","4","4","3","1") = "9"
    & skf18("1","4","10","4","4","4","1") = "9"
    & skf18("1","4","10","4","4","5","1") = "9"
    & skf18("1","4","10","4","4","6","1") = "9"
    & skf18("1","4","10","4","4","7","1") = "9"
    & skf18("1","4","10","4","4","8","1") = "9"
    & skf18("1","4","10","4","4","9","1") = "9"
    & skf18("1","4","10","4","4","10","1") = "9"
    & skf18("1","4","10","4","5","1","1") = "9"
    & skf18("1","4","10","4","5","2","1") = "9"
    & skf18("1","4","10","4","5","3","1") = "9"
    & skf18("1","4","10","4","5","4","1") = "9"
    & skf18("1","4","10","4","5","5","1") = "9"
    & skf18("1","4","10","4","5","6","1") = "9"
    & skf18("1","4","10","4","5","7","1") = "9"
    & skf18("1","4","10","4","5","8","1") = "9"
    & skf18("1","4","10","4","5","9","1") = "9"
    & skf18("1","4","10","4","5","10","1") = "9"
    & skf18("1","4","10","4","6","1","1") = "9"
    & skf18("1","4","10","4","6","2","1") = "9"
    & skf18("1","4","10","4","6","3","1") = "9"
    & skf18("1","4","10","4","6","4","1") = "9"
    & skf18("1","4","10","4","6","5","1") = "9"
    & skf18("1","4","10","4","6","6","1") = "9"
    & skf18("1","4","10","4","6","7","1") = "9"
    & skf18("1","4","10","4","6","8","1") = "9"
    & skf18("1","4","10","4","6","9","1") = "9"
    & skf18("1","4","10","4","6","10","1") = "9"
    & skf18("1","4","10","4","7","1","1") = "9"
    & skf18("1","4","10","4","7","2","1") = "9"
    & skf18("1","4","10","4","7","3","1") = "9"
    & skf18("1","4","10","4","7","4","1") = "9"
    & skf18("1","4","10","4","7","5","1") = "9"
    & skf18("1","4","10","4","7","6","1") = "9"
    & skf18("1","4","10","4","7","7","1") = "9"
    & skf18("1","4","10","4","7","8","1") = "9"
    & skf18("1","4","10","4","7","9","1") = "9"
    & skf18("1","4","10","4","7","10","1") = "9"
    & skf18("1","4","10","4","8","1","1") = "9"
    & skf18("1","4","10","4","8","2","1") = "9"
    & skf18("1","4","10","4","8","3","1") = "9"
    & skf18("1","4","10","4","8","4","1") = "9"
    & skf18("1","4","10","4","8","5","1") = "9"
    & skf18("1","4","10","4","8","6","1") = "9"
    & skf18("1","4","10","4","8","7","1") = "9"
    & skf18("1","4","10","4","8","8","1") = "9"
    & skf18("1","4","10","4","8","9","1") = "9"
    & skf18("1","4","10","4","8","10","1") = "9"
    & skf18("1","4","10","4","9","1","1") = "9"
    & skf18("1","4","10","4","9","2","1") = "9"
    & skf18("1","4","10","4","9","3","1") = "9"
    & skf18("1","4","10","4","9","4","1") = "9"
    & skf18("1","4","10","4","9","5","1") = "9"
    & skf18("1","4","10","4","9","6","1") = "9"
    & skf18("1","4","10","4","9","7","1") = "9"
    & skf18("1","4","10","4","9","8","1") = "9"
    & skf18("1","4","10","4","9","9","1") = "9"
    & skf18("1","4","10","4","9","10","1") = "9"
    & skf18("1","4","10","4","10","1","1") = "9"
    & skf18("1","4","10","4","10","2","1") = "9"
    & skf18("1","4","10","4","10","3","1") = "9"
    & skf18("1","4","10","4","10","4","1") = "9"
    & skf18("1","4","10","4","10","5","1") = "9"
    & skf18("1","4","10","4","10","6","1") = "9"
    & skf18("1","4","10","4","10","7","1") = "9"
    & skf18("1","4","10","4","10","8","1") = "9"
    & skf18("1","4","10","4","10","9","1") = "9"
    & skf18("1","4","10","4","10","10","1") = "9"
    & skf18("1","4","10","5","1","1","1") = "9"
    & skf18("1","4","10","5","1","2","1") = "9"
    & skf18("1","4","10","5","1","3","1") = "9"
    & skf18("1","4","10","5","1","4","1") = "9"
    & skf18("1","4","10","5","1","5","1") = "9"
    & skf18("1","4","10","5","1","6","1") = "9"
    & skf18("1","4","10","5","1","7","1") = "9"
    & skf18("1","4","10","5","1","8","1") = "9"
    & skf18("1","4","10","5","1","9","1") = "9"
    & skf18("1","4","10","5","1","10","1") = "9"
    & skf18("1","4","10","5","2","1","1") = "9"
    & skf18("1","4","10","5","2","2","1") = "9"
    & skf18("1","4","10","5","2","3","1") = "9"
    & skf18("1","4","10","5","2","4","1") = "9"
    & skf18("1","4","10","5","2","5","1") = "9"
    & skf18("1","4","10","5","2","6","1") = "9"
    & skf18("1","4","10","5","2","7","1") = "9"
    & skf18("1","4","10","5","2","8","1") = "9"
    & skf18("1","4","10","5","2","9","1") = "9"
    & skf18("1","4","10","5","2","10","1") = "9"
    & skf18("1","4","10","5","3","1","1") = "9"
    & skf18("1","4","10","5","3","2","1") = "9"
    & skf18("1","4","10","5","3","3","1") = "9"
    & skf18("1","4","10","5","3","4","1") = "9"
    & skf18("1","4","10","5","3","5","1") = "9"
    & skf18("1","4","10","5","3","6","1") = "9"
    & skf18("1","4","10","5","3","7","1") = "9"
    & skf18("1","4","10","5","3","8","1") = "9"
    & skf18("1","4","10","5","3","9","1") = "9"
    & skf18("1","4","10","5","3","10","1") = "9"
    & skf18("1","4","10","5","4","1","1") = "9"
    & skf18("1","4","10","5","4","2","1") = "9"
    & skf18("1","4","10","5","4","3","1") = "9"
    & skf18("1","4","10","5","4","4","1") = "9"
    & skf18("1","4","10","5","4","5","1") = "9"
    & skf18("1","4","10","5","4","6","1") = "9"
    & skf18("1","4","10","5","4","7","1") = "9"
    & skf18("1","4","10","5","4","8","1") = "9"
    & skf18("1","4","10","5","4","9","1") = "9"
    & skf18("1","4","10","5","4","10","1") = "9"
    & skf18("1","4","10","5","5","1","1") = "9"
    & skf18("1","4","10","5","5","2","1") = "9"
    & skf18("1","4","10","5","5","3","1") = "9"
    & skf18("1","4","10","5","5","4","1") = "9"
    & skf18("1","4","10","5","5","5","1") = "9"
    & skf18("1","4","10","5","5","6","1") = "9"
    & skf18("1","4","10","5","5","7","1") = "9"
    & skf18("1","4","10","5","5","8","1") = "9"
    & skf18("1","4","10","5","5","9","1") = "9"
    & skf18("1","4","10","5","5","10","1") = "9"
    & skf18("1","4","10","5","6","1","1") = "9"
    & skf18("1","4","10","5","6","2","1") = "9"
    & skf18("1","4","10","5","6","3","1") = "9"
    & skf18("1","4","10","5","6","4","1") = "9"
    & skf18("1","4","10","5","6","5","1") = "9"
    & skf18("1","4","10","5","6","6","1") = "9"
    & skf18("1","4","10","5","6","7","1") = "9"
    & skf18("1","4","10","5","6","8","1") = "9"
    & skf18("1","4","10","5","6","9","1") = "9"
    & skf18("1","4","10","5","6","10","1") = "9"
    & skf18("1","4","10","5","7","1","1") = "9"
    & skf18("1","4","10","5","7","2","1") = "9"
    & skf18("1","4","10","5","7","3","1") = "9"
    & skf18("1","4","10","5","7","4","1") = "9"
    & skf18("1","4","10","5","7","5","1") = "9"
    & skf18("1","4","10","5","7","6","1") = "9"
    & skf18("1","4","10","5","7","7","1") = "9"
    & skf18("1","4","10","5","7","8","1") = "9"
    & skf18("1","4","10","5","7","9","1") = "9"
    & skf18("1","4","10","5","7","10","1") = "9"
    & skf18("1","4","10","5","8","1","1") = "9"
    & skf18("1","4","10","5","8","2","1") = "9"
    & skf18("1","4","10","5","8","3","1") = "9"
    & skf18("1","4","10","5","8","4","1") = "9"
    & skf18("1","4","10","5","8","5","1") = "9"
    & skf18("1","4","10","5","8","6","1") = "9"
    & skf18("1","4","10","5","8","7","1") = "9"
    & skf18("1","4","10","5","8","8","1") = "9"
    & skf18("1","4","10","5","8","9","1") = "9"
    & skf18("1","4","10","5","8","10","1") = "9"
    & skf18("1","4","10","5","9","1","1") = "9"
    & skf18("1","4","10","5","9","2","1") = "9"
    & skf18("1","4","10","5","9","3","1") = "9"
    & skf18("1","4","10","5","9","4","1") = "9"
    & skf18("1","4","10","5","9","5","1") = "9"
    & skf18("1","4","10","5","9","6","1") = "9"
    & skf18("1","4","10","5","9","7","1") = "9"
    & skf18("1","4","10","5","9","8","1") = "9"
    & skf18("1","4","10","5","9","9","1") = "9"
    & skf18("1","4","10","5","9","10","1") = "9"
    & skf18("1","4","10","5","10","1","1") = "9"
    & skf18("1","4","10","5","10","2","1") = "9"
    & skf18("1","4","10","5","10","3","1") = "9"
    & skf18("1","4","10","5","10","4","1") = "9"
    & skf18("1","4","10","5","10","5","1") = "9"
    & skf18("1","4","10","5","10","6","1") = "9"
    & skf18("1","4","10","5","10","7","1") = "9"
    & skf18("1","4","10","5","10","8","1") = "9"
    & skf18("1","4","10","5","10","9","1") = "9"
    & skf18("1","4","10","5","10","10","1") = "9"
    & skf18("1","4","10","6","1","1","1") = "9"
    & skf18("1","4","10","6","1","2","1") = "9"
    & skf18("1","4","10","6","1","3","1") = "9"
    & skf18("1","4","10","6","1","4","1") = "9"
    & skf18("1","4","10","6","1","5","1") = "9"
    & skf18("1","4","10","6","1","6","1") = "9"
    & skf18("1","4","10","6","1","7","1") = "9"
    & skf18("1","4","10","6","1","8","1") = "9"
    & skf18("1","4","10","6","1","9","1") = "9"
    & skf18("1","4","10","6","1","10","1") = "9"
    & skf18("1","4","10","6","2","1","1") = "9"
    & skf18("1","4","10","6","2","2","1") = "9"
    & skf18("1","4","10","6","2","3","1") = "9"
    & skf18("1","4","10","6","2","4","1") = "9"
    & skf18("1","4","10","6","2","5","1") = "9"
    & skf18("1","4","10","6","2","6","1") = "9"
    & skf18("1","4","10","6","2","7","1") = "9"
    & skf18("1","4","10","6","2","8","1") = "9"
    & skf18("1","4","10","6","2","9","1") = "9"
    & skf18("1","4","10","6","2","10","1") = "9"
    & skf18("1","4","10","6","3","1","1") = "9"
    & skf18("1","4","10","6","3","2","1") = "9"
    & skf18("1","4","10","6","3","3","1") = "9"
    & skf18("1","4","10","6","3","4","1") = "9"
    & skf18("1","4","10","6","3","5","1") = "9"
    & skf18("1","4","10","6","3","6","1") = "9"
    & skf18("1","4","10","6","3","7","1") = "9"
    & skf18("1","4","10","6","3","8","1") = "9"
    & skf18("1","4","10","6","3","9","1") = "9"
    & skf18("1","4","10","6","3","10","1") = "9"
    & skf18("1","4","10","6","4","1","1") = "9"
    & skf18("1","4","10","6","4","2","1") = "9"
    & skf18("1","4","10","6","4","3","1") = "9"
    & skf18("1","4","10","6","4","4","1") = "9"
    & skf18("1","4","10","6","4","5","1") = "9"
    & skf18("1","4","10","6","4","6","1") = "9"
    & skf18("1","4","10","6","4","7","1") = "9"
    & skf18("1","4","10","6","4","8","1") = "9"
    & skf18("1","4","10","6","4","9","1") = "9"
    & skf18("1","4","10","6","4","10","1") = "9"
    & skf18("1","4","10","6","5","1","1") = "9"
    & skf18("1","4","10","6","5","2","1") = "9"
    & skf18("1","4","10","6","5","3","1") = "9"
    & skf18("1","4","10","6","5","4","1") = "9"
    & skf18("1","4","10","6","5","5","1") = "9"
    & skf18("1","4","10","6","5","6","1") = "9"
    & skf18("1","4","10","6","5","7","1") = "9"
    & skf18("1","4","10","6","5","8","1") = "9"
    & skf18("1","4","10","6","5","9","1") = "9"
    & skf18("1","4","10","6","5","10","1") = "9"
    & skf18("1","4","10","6","6","1","1") = "9"
    & skf18("1","4","10","6","6","2","1") = "9"
    & skf18("1","4","10","6","6","3","1") = "9"
    & skf18("1","4","10","6","6","4","1") = "9"
    & skf18("1","4","10","6","6","5","1") = "9"
    & skf18("1","4","10","6","6","6","1") = "9"
    & skf18("1","4","10","6","6","7","1") = "9"
    & skf18("1","4","10","6","6","8","1") = "9"
    & skf18("1","4","10","6","6","9","1") = "9"
    & skf18("1","4","10","6","6","10","1") = "9"
    & skf18("1","4","10","6","7","1","1") = "9"
    & skf18("1","4","10","6","7","2","1") = "9"
    & skf18("1","4","10","6","7","3","1") = "9"
    & skf18("1","4","10","6","7","4","1") = "9"
    & skf18("1","4","10","6","7","5","1") = "9"
    & skf18("1","4","10","6","7","6","1") = "9"
    & skf18("1","4","10","6","7","7","1") = "9"
    & skf18("1","4","10","6","7","8","1") = "9"
    & skf18("1","4","10","6","7","9","1") = "9"
    & skf18("1","4","10","6","7","10","1") = "9"
    & skf18("1","4","10","6","8","1","1") = "9"
    & skf18("1","4","10","6","8","2","1") = "9"
    & skf18("1","4","10","6","8","3","1") = "9"
    & skf18("1","4","10","6","8","4","1") = "9"
    & skf18("1","4","10","6","8","5","1") = "9"
    & skf18("1","4","10","6","8","6","1") = "9"
    & skf18("1","4","10","6","8","7","1") = "9"
    & skf18("1","4","10","6","8","8","1") = "9"
    & skf18("1","4","10","6","8","9","1") = "9"
    & skf18("1","4","10","6","8","10","1") = "9"
    & skf18("1","4","10","6","9","1","1") = "9"
    & skf18("1","4","10","6","9","2","1") = "9"
    & skf18("1","4","10","6","9","3","1") = "9"
    & skf18("1","4","10","6","9","4","1") = "9"
    & skf18("1","4","10","6","9","5","1") = "9"
    & skf18("1","4","10","6","9","6","1") = "9"
    & skf18("1","4","10","6","9","7","1") = "9"
    & skf18("1","4","10","6","9","8","1") = "9"
    & skf18("1","4","10","6","9","9","1") = "9"
    & skf18("1","4","10","6","9","10","1") = "9"
    & skf18("1","4","10","6","10","1","1") = "9"
    & skf18("1","4","10","6","10","2","1") = "9"
    & skf18("1","4","10","6","10","3","1") = "9"
    & skf18("1","4","10","6","10","4","1") = "9"
    & skf18("1","4","10","6","10","5","1") = "9"
    & skf18("1","4","10","6","10","6","1") = "9"
    & skf18("1","4","10","6","10","7","1") = "9"
    & skf18("1","4","10","6","10","8","1") = "9"
    & skf18("1","4","10","6","10","9","1") = "9"
    & skf18("1","4","10","6","10","10","1") = "9"
    & skf18("1","4","10","7","1","1","1") = "9"
    & skf18("1","4","10","7","1","2","1") = "9"
    & skf18("1","4","10","7","1","3","1") = "9"
    & skf18("1","4","10","7","1","4","1") = "9"
    & skf18("1","4","10","7","1","5","1") = "9"
    & skf18("1","4","10","7","1","6","1") = "9"
    & skf18("1","4","10","7","1","7","1") = "9"
    & skf18("1","4","10","7","1","8","1") = "9"
    & skf18("1","4","10","7","1","9","1") = "9"
    & skf18("1","4","10","7","1","10","1") = "9"
    & skf18("1","4","10","7","2","1","1") = "9"
    & skf18("1","4","10","7","2","2","1") = "9"
    & skf18("1","4","10","7","2","3","1") = "9"
    & skf18("1","4","10","7","2","4","1") = "9"
    & skf18("1","4","10","7","2","5","1") = "9"
    & skf18("1","4","10","7","2","6","1") = "9"
    & skf18("1","4","10","7","2","7","1") = "9"
    & skf18("1","4","10","7","2","8","1") = "9"
    & skf18("1","4","10","7","2","9","1") = "9"
    & skf18("1","4","10","7","2","10","1") = "9"
    & skf18("1","4","10","7","3","1","1") = "9"
    & skf18("1","4","10","7","3","2","1") = "9"
    & skf18("1","4","10","7","3","3","1") = "9"
    & skf18("1","4","10","7","3","4","1") = "9"
    & skf18("1","4","10","7","3","5","1") = "9"
    & skf18("1","4","10","7","3","6","1") = "9"
    & skf18("1","4","10","7","3","7","1") = "9"
    & skf18("1","4","10","7","3","8","1") = "9"
    & skf18("1","4","10","7","3","9","1") = "9"
    & skf18("1","4","10","7","3","10","1") = "9"
    & skf18("1","4","10","7","4","1","1") = "9"
    & skf18("1","4","10","7","4","2","1") = "9"
    & skf18("1","4","10","7","4","3","1") = "9"
    & skf18("1","4","10","7","4","4","1") = "9"
    & skf18("1","4","10","7","4","5","1") = "9"
    & skf18("1","4","10","7","4","6","1") = "9"
    & skf18("1","4","10","7","4","7","1") = "9"
    & skf18("1","4","10","7","4","8","1") = "9"
    & skf18("1","4","10","7","4","9","1") = "9"
    & skf18("1","4","10","7","4","10","1") = "9"
    & skf18("1","4","10","7","5","1","1") = "9"
    & skf18("1","4","10","7","5","2","1") = "9"
    & skf18("1","4","10","7","5","3","1") = "9"
    & skf18("1","4","10","7","5","4","1") = "9"
    & skf18("1","4","10","7","5","5","1") = "9"
    & skf18("1","4","10","7","5","6","1") = "9"
    & skf18("1","4","10","7","5","7","1") = "9"
    & skf18("1","4","10","7","5","8","1") = "9"
    & skf18("1","4","10","7","5","9","1") = "9"
    & skf18("1","4","10","7","5","10","1") = "9"
    & skf18("1","4","10","7","6","1","1") = "9"
    & skf18("1","4","10","7","6","2","1") = "9"
    & skf18("1","4","10","7","6","3","1") = "9"
    & skf18("1","4","10","7","6","4","1") = "9"
    & skf18("1","4","10","7","6","5","1") = "9"
    & skf18("1","4","10","7","6","6","1") = "9"
    & skf18("1","4","10","7","6","7","1") = "9"
    & skf18("1","4","10","7","6","8","1") = "9"
    & skf18("1","4","10","7","6","9","1") = "9"
    & skf18("1","4","10","7","6","10","1") = "9"
    & skf18("1","4","10","7","7","1","1") = "9"
    & skf18("1","4","10","7","7","2","1") = "9"
    & skf18("1","4","10","7","7","3","1") = "9"
    & skf18("1","4","10","7","7","4","1") = "9"
    & skf18("1","4","10","7","7","5","1") = "9"
    & skf18("1","4","10","7","7","6","1") = "9"
    & skf18("1","4","10","7","7","7","1") = "9"
    & skf18("1","4","10","7","7","8","1") = "9"
    & skf18("1","4","10","7","7","9","1") = "9"
    & skf18("1","4","10","7","7","10","1") = "9"
    & skf18("1","4","10","7","8","1","1") = "9"
    & skf18("1","4","10","7","8","2","1") = "9"
    & skf18("1","4","10","7","8","3","1") = "9"
    & skf18("1","4","10","7","8","4","1") = "9"
    & skf18("1","4","10","7","8","5","1") = "9"
    & skf18("1","4","10","7","8","6","1") = "9"
    & skf18("1","4","10","7","8","7","1") = "9"
    & skf18("1","4","10","7","8","8","1") = "9"
    & skf18("1","4","10","7","8","9","1") = "9"
    & skf18("1","4","10","7","8","10","1") = "9"
    & skf18("1","4","10","7","9","1","1") = "9"
    & skf18("1","4","10","7","9","2","1") = "9"
    & skf18("1","4","10","7","9","3","1") = "9"
    & skf18("1","4","10","7","9","4","1") = "9"
    & skf18("1","4","10","7","9","5","1") = "9"
    & skf18("1","4","10","7","9","6","1") = "9"
    & skf18("1","4","10","7","9","7","1") = "9"
    & skf18("1","4","10","7","9","8","1") = "9"
    & skf18("1","4","10","7","9","9","1") = "9"
    & skf18("1","4","10","7","9","10","1") = "9"
    & skf18("1","4","10","7","10","1","1") = "9"
    & skf18("1","4","10","7","10","2","1") = "9"
    & skf18("1","4","10","7","10","3","1") = "9"
    & skf18("1","4","10","7","10","4","1") = "9"
    & skf18("1","4","10","7","10","5","1") = "9"
    & skf18("1","4","10","7","10","6","1") = "9"
    & skf18("1","4","10","7","10","7","1") = "9"
    & skf18("1","4","10","7","10","8","1") = "9"
    & skf18("1","4","10","7","10","9","1") = "9"
    & skf18("1","4","10","7","10","10","1") = "9"
    & skf18("1","4","10","8","1","1","1") = "9"
    & skf18("1","4","10","8","1","2","1") = "9"
    & skf18("1","4","10","8","1","3","1") = "9"
    & skf18("1","4","10","8","1","4","1") = "9"
    & skf18("1","4","10","8","1","5","1") = "9"
    & skf18("1","4","10","8","1","6","1") = "9"
    & skf18("1","4","10","8","1","7","1") = "9"
    & skf18("1","4","10","8","1","8","1") = "9"
    & skf18("1","4","10","8","1","9","1") = "9"
    & skf18("1","4","10","8","1","10","1") = "9"
    & skf18("1","4","10","8","2","1","1") = "9"
    & skf18("1","4","10","8","2","2","1") = "9"
    & skf18("1","4","10","8","2","3","1") = "9"
    & skf18("1","4","10","8","2","4","1") = "9"
    & skf18("1","4","10","8","2","5","1") = "9"
    & skf18("1","4","10","8","2","6","1") = "9"
    & skf18("1","4","10","8","2","7","1") = "9"
    & skf18("1","4","10","8","2","8","1") = "9"
    & skf18("1","4","10","8","2","9","1") = "9"
    & skf18("1","4","10","8","2","10","1") = "9"
    & skf18("1","4","10","8","3","1","1") = "9"
    & skf18("1","4","10","8","3","2","1") = "9"
    & skf18("1","4","10","8","3","3","1") = "9"
    & skf18("1","4","10","8","3","4","1") = "9"
    & skf18("1","4","10","8","3","5","1") = "9"
    & skf18("1","4","10","8","3","6","1") = "9"
    & skf18("1","4","10","8","3","7","1") = "9"
    & skf18("1","4","10","8","3","8","1") = "9"
    & skf18("1","4","10","8","3","9","1") = "9"
    & skf18("1","4","10","8","3","10","1") = "9"
    & skf18("1","4","10","8","4","1","1") = "9"
    & skf18("1","4","10","8","4","2","1") = "9"
    & skf18("1","4","10","8","4","3","1") = "9"
    & skf18("1","4","10","8","4","4","1") = "9"
    & skf18("1","4","10","8","4","5","1") = "9"
    & skf18("1","4","10","8","4","6","1") = "9"
    & skf18("1","4","10","8","4","7","1") = "9"
    & skf18("1","4","10","8","4","8","1") = "9"
    & skf18("1","4","10","8","4","9","1") = "9"
    & skf18("1","4","10","8","4","10","1") = "9"
    & skf18("1","4","10","8","5","1","1") = "9"
    & skf18("1","4","10","8","5","2","1") = "9"
    & skf18("1","4","10","8","5","3","1") = "9"
    & skf18("1","4","10","8","5","4","1") = "9"
    & skf18("1","4","10","8","5","5","1") = "9"
    & skf18("1","4","10","8","5","6","1") = "9"
    & skf18("1","4","10","8","5","7","1") = "9"
    & skf18("1","4","10","8","5","8","1") = "9"
    & skf18("1","4","10","8","5","9","1") = "9"
    & skf18("1","4","10","8","5","10","1") = "9"
    & skf18("1","4","10","8","6","1","1") = "9"
    & skf18("1","4","10","8","6","2","1") = "9"
    & skf18("1","4","10","8","6","3","1") = "9"
    & skf18("1","4","10","8","6","4","1") = "9"
    & skf18("1","4","10","8","6","5","1") = "9"
    & skf18("1","4","10","8","6","6","1") = "9"
    & skf18("1","4","10","8","6","7","1") = "9"
    & skf18("1","4","10","8","6","8","1") = "9"
    & skf18("1","4","10","8","6","9","1") = "9"
    & skf18("1","4","10","8","6","10","1") = "9"
    & skf18("1","4","10","8","7","1","1") = "9"
    & skf18("1","4","10","8","7","2","1") = "9"
    & skf18("1","4","10","8","7","3","1") = "9"
    & skf18("1","4","10","8","7","4","1") = "9"
    & skf18("1","4","10","8","7","5","1") = "9"
    & skf18("1","4","10","8","7","6","1") = "9"
    & skf18("1","4","10","8","7","7","1") = "9"
    & skf18("1","4","10","8","7","8","1") = "9"
    & skf18("1","4","10","8","7","9","1") = "9"
    & skf18("1","4","10","8","7","10","1") = "9"
    & skf18("1","4","10","8","8","1","1") = "9"
    & skf18("1","4","10","8","8","2","1") = "9"
    & skf18("1","4","10","8","8","3","1") = "9"
    & skf18("1","4","10","8","8","4","1") = "9"
    & skf18("1","4","10","8","8","5","1") = "9"
    & skf18("1","4","10","8","8","6","1") = "9"
    & skf18("1","4","10","8","8","7","1") = "9"
    & skf18("1","4","10","8","8","8","1") = "9"
    & skf18("1","4","10","8","8","9","1") = "9"
    & skf18("1","4","10","8","8","10","1") = "9"
    & skf18("1","4","10","8","9","1","1") = "9"
    & skf18("1","4","10","8","9","2","1") = "9"
    & skf18("1","4","10","8","9","3","1") = "9"
    & skf18("1","4","10","8","9","4","1") = "9"
    & skf18("1","4","10","8","9","5","1") = "9"
    & skf18("1","4","10","8","9","6","1") = "9"
    & skf18("1","4","10","8","9","7","1") = "9"
    & skf18("1","4","10","8","9","8","1") = "9"
    & skf18("1","4","10","8","9","9","1") = "9"
    & skf18("1","4","10","8","9","10","1") = "9"
    & skf18("1","4","10","8","10","1","1") = "9"
    & skf18("1","4","10","8","10","2","1") = "9"
    & skf18("1","4","10","8","10","3","1") = "9"
    & skf18("1","4","10","8","10","4","1") = "9"
    & skf18("1","4","10","8","10","5","1") = "9"
    & skf18("1","4","10","8","10","6","1") = "9"
    & skf18("1","4","10","8","10","7","1") = "9"
    & skf18("1","4","10","8","10","8","1") = "9"
    & skf18("1","4","10","8","10","9","1") = "9"
    & skf18("1","4","10","8","10","10","1") = "9"
    & skf18("1","4","10","9","1","1","1") = "9"
    & skf18("1","4","10","9","1","2","1") = "9"
    & skf18("1","4","10","9","1","3","1") = "9"
    & skf18("1","4","10","9","1","4","1") = "9"
    & skf18("1","4","10","9","1","5","1") = "9"
    & skf18("1","4","10","9","1","6","1") = "9"
    & skf18("1","4","10","9","1","7","1") = "9"
    & skf18("1","4","10","9","1","8","1") = "9"
    & skf18("1","4","10","9","1","9","1") = "9"
    & skf18("1","4","10","9","1","10","1") = "9"
    & skf18("1","4","10","9","2","1","1") = "9"
    & skf18("1","4","10","9","2","2","1") = "9"
    & skf18("1","4","10","9","2","3","1") = "9"
    & skf18("1","4","10","9","2","4","1") = "9"
    & skf18("1","4","10","9","2","5","1") = "9"
    & skf18("1","4","10","9","2","6","1") = "9"
    & skf18("1","4","10","9","2","7","1") = "9"
    & skf18("1","4","10","9","2","8","1") = "9"
    & skf18("1","4","10","9","2","9","1") = "9"
    & skf18("1","4","10","9","2","10","1") = "9"
    & skf18("1","4","10","9","3","1","1") = "9"
    & skf18("1","4","10","9","3","2","1") = "9"
    & skf18("1","4","10","9","3","3","1") = "9"
    & skf18("1","4","10","9","3","4","1") = "9"
    & skf18("1","4","10","9","3","5","1") = "9"
    & skf18("1","4","10","9","3","6","1") = "9"
    & skf18("1","4","10","9","3","7","1") = "9"
    & skf18("1","4","10","9","3","8","1") = "9"
    & skf18("1","4","10","9","3","9","1") = "9"
    & skf18("1","4","10","9","3","10","1") = "9"
    & skf18("1","4","10","9","4","1","1") = "9"
    & skf18("1","4","10","9","4","2","1") = "9"
    & skf18("1","4","10","9","4","3","1") = "9"
    & skf18("1","4","10","9","4","4","1") = "9"
    & skf18("1","4","10","9","4","5","1") = "9"
    & skf18("1","4","10","9","4","6","1") = "9"
    & skf18("1","4","10","9","4","7","1") = "9"
    & skf18("1","4","10","9","4","8","1") = "9"
    & skf18("1","4","10","9","4","9","1") = "9"
    & skf18("1","4","10","9","4","10","1") = "9"
    & skf18("1","4","10","9","5","1","1") = "9"
    & skf18("1","4","10","9","5","2","1") = "9"
    & skf18("1","4","10","9","5","3","1") = "9"
    & skf18("1","4","10","9","5","4","1") = "9"
    & skf18("1","4","10","9","5","5","1") = "9"
    & skf18("1","4","10","9","5","6","1") = "9"
    & skf18("1","4","10","9","5","7","1") = "9"
    & skf18("1","4","10","9","5","8","1") = "9"
    & skf18("1","4","10","9","5","9","1") = "9"
    & skf18("1","4","10","9","5","10","1") = "9"
    & skf18("1","4","10","9","6","1","1") = "9"
    & skf18("1","4","10","9","6","2","1") = "9"
    & skf18("1","4","10","9","6","3","1") = "9"
    & skf18("1","4","10","9","6","4","1") = "9"
    & skf18("1","4","10","9","6","5","1") = "9"
    & skf18("1","4","10","9","6","6","1") = "9"
    & skf18("1","4","10","9","6","7","1") = "9"
    & skf18("1","4","10","9","6","8","1") = "9"
    & skf18("1","4","10","9","6","9","1") = "9"
    & skf18("1","4","10","9","6","10","1") = "9"
    & skf18("1","4","10","9","7","1","1") = "9"
    & skf18("1","4","10","9","7","2","1") = "9"
    & skf18("1","4","10","9","7","3","1") = "9"
    & skf18("1","4","10","9","7","4","1") = "9"
    & skf18("1","4","10","9","7","5","1") = "9"
    & skf18("1","4","10","9","7","6","1") = "9"
    & skf18("1","4","10","9","7","7","1") = "9"
    & skf18("1","4","10","9","7","8","1") = "9"
    & skf18("1","4","10","9","7","9","1") = "9"
    & skf18("1","4","10","9","7","10","1") = "9"
    & skf18("1","4","10","9","8","1","1") = "9"
    & skf18("1","4","10","9","8","2","1") = "9"
    & skf18("1","4","10","9","8","3","1") = "9"
    & skf18("1","4","10","9","8","4","1") = "9"
    & skf18("1","4","10","9","8","5","1") = "9"
    & skf18("1","4","10","9","8","6","1") = "9"
    & skf18("1","4","10","9","8","7","1") = "9"
    & skf18("1","4","10","9","8","8","1") = "9"
    & skf18("1","4","10","9","8","9","1") = "9"
    & skf18("1","4","10","9","8","10","1") = "9"
    & skf18("1","4","10","9","9","1","1") = "9"
    & skf18("1","4","10","9","9","2","1") = "9"
    & skf18("1","4","10","9","9","3","1") = "9"
    & skf18("1","4","10","9","9","4","1") = "9"
    & skf18("1","4","10","9","9","5","1") = "9"
    & skf18("1","4","10","9","9","6","1") = "9"
    & skf18("1","4","10","9","9","7","1") = "9"
    & skf18("1","4","10","9","9","8","1") = "9"
    & skf18("1","4","10","9","9","9","1") = "9"
    & skf18("1","4","10","9","9","10","1") = "9"
    & skf18("1","4","10","9","10","1","1") = "9"
    & skf18("1","4","10","9","10","2","1") = "9"
    & skf18("1","4","10","9","10","3","1") = "9"
    & skf18("1","4","10","9","10","4","1") = "9"
    & skf18("1","4","10","9","10","5","1") = "9"
    & skf18("1","4","10","9","10","6","1") = "9"
    & skf18("1","4","10","9","10","7","1") = "9"
    & skf18("1","4","10","9","10","8","1") = "9"
    & skf18("1","4","10","9","10","9","1") = "9"
    & skf18("1","4","10","9","10","10","1") = "9"
    & skf18("1","4","10","10","1","1","1") = "9"
    & skf18("1","4","10","10","1","2","1") = "9"
    & skf18("1","4","10","10","1","3","1") = "9"
    & skf18("1","4","10","10","1","4","1") = "9"
    & skf18("1","4","10","10","1","5","1") = "9"
    & skf18("1","4","10","10","1","6","1") = "9"
    & skf18("1","4","10","10","1","7","1") = "9"
    & skf18("1","4","10","10","1","8","1") = "9"
    & skf18("1","4","10","10","1","9","1") = "9"
    & skf18("1","4","10","10","1","10","1") = "9"
    & skf18("1","4","10","10","2","1","1") = "9"
    & skf18("1","4","10","10","2","2","1") = "9"
    & skf18("1","4","10","10","2","3","1") = "9"
    & skf18("1","4","10","10","2","4","1") = "9"
    & skf18("1","4","10","10","2","5","1") = "9"
    & skf18("1","4","10","10","2","6","1") = "9"
    & skf18("1","4","10","10","2","7","1") = "9"
    & skf18("1","4","10","10","2","8","1") = "9"
    & skf18("1","4","10","10","2","9","1") = "9"
    & skf18("1","4","10","10","2","10","1") = "9"
    & skf18("1","4","10","10","3","1","1") = "9"
    & skf18("1","4","10","10","3","2","1") = "9"
    & skf18("1","4","10","10","3","3","1") = "9"
    & skf18("1","4","10","10","3","4","1") = "9"
    & skf18("1","4","10","10","3","5","1") = "9"
    & skf18("1","4","10","10","3","6","1") = "9"
    & skf18("1","4","10","10","3","7","1") = "9"
    & skf18("1","4","10","10","3","8","1") = "9"
    & skf18("1","4","10","10","3","9","1") = "9"
    & skf18("1","4","10","10","3","10","1") = "9"
    & skf18("1","4","10","10","4","1","1") = "9"
    & skf18("1","4","10","10","4","2","1") = "9"
    & skf18("1","4","10","10","4","3","1") = "9"
    & skf18("1","4","10","10","4","4","1") = "9"
    & skf18("1","4","10","10","4","5","1") = "9"
    & skf18("1","4","10","10","4","6","1") = "9"
    & skf18("1","4","10","10","4","7","1") = "9"
    & skf18("1","4","10","10","4","8","1") = "9"
    & skf18("1","4","10","10","4","9","1") = "9"
    & skf18("1","4","10","10","4","10","1") = "9"
    & skf18("1","4","10","10","5","1","1") = "9"
    & skf18("1","4","10","10","5","2","1") = "9"
    & skf18("1","4","10","10","5","3","1") = "9"
    & skf18("1","4","10","10","5","4","1") = "9"
    & skf18("1","4","10","10","5","5","1") = "9"
    & skf18("1","4","10","10","5","6","1") = "9"
    & skf18("1","4","10","10","5","7","1") = "9"
    & skf18("1","4","10","10","5","8","1") = "9"
    & skf18("1","4","10","10","5","9","1") = "9"
    & skf18("1","4","10","10","5","10","1") = "9"
    & skf18("1","4","10","10","6","1","1") = "9"
    & skf18("1","4","10","10","6","2","1") = "9"
    & skf18("1","4","10","10","6","3","1") = "9"
    & skf18("1","4","10","10","6","4","1") = "9"
    & skf18("1","4","10","10","6","5","1") = "9"
    & skf18("1","4","10","10","6","6","1") = "9"
    & skf18("1","4","10","10","6","7","1") = "9"
    & skf18("1","4","10","10","6","8","1") = "9"
    & skf18("1","4","10","10","6","9","1") = "9"
    & skf18("1","4","10","10","6","10","1") = "9"
    & skf18("1","4","10","10","7","1","1") = "9"
    & skf18("1","4","10","10","7","2","1") = "9"
    & skf18("1","4","10","10","7","3","1") = "9"
    & skf18("1","4","10","10","7","4","1") = "9"
    & skf18("1","4","10","10","7","5","1") = "9"
    & skf18("1","4","10","10","7","6","1") = "9"
    & skf18("1","4","10","10","7","7","1") = "9"
    & skf18("1","4","10","10","7","8","1") = "9"
    & skf18("1","4","10","10","7","9","1") = "9"
    & skf18("1","4","10","10","7","10","1") = "9"
    & skf18("1","4","10","10","8","1","1") = "9"
    & skf18("1","4","10","10","8","2","1") = "9"
    & skf18("1","4","10","10","8","3","1") = "9"
    & skf18("1","4","10","10","8","4","1") = "9"
    & skf18("1","4","10","10","8","5","1") = "9"
    & skf18("1","4","10","10","8","6","1") = "9"
    & skf18("1","4","10","10","8","7","1") = "9"
    & skf18("1","4","10","10","8","8","1") = "9"
    & skf18("1","4","10","10","8","9","1") = "9"
    & skf18("1","4","10","10","8","10","1") = "9"
    & skf18("1","4","10","10","9","1","1") = "9"
    & skf18("1","4","10","10","9","2","1") = "9"
    & skf18("1","4","10","10","9","3","1") = "9"
    & skf18("1","4","10","10","9","4","1") = "9"
    & skf18("1","4","10","10","9","5","1") = "9"
    & skf18("1","4","10","10","9","6","1") = "9"
    & skf18("1","4","10","10","9","7","1") = "9"
    & skf18("1","4","10","10","9","8","1") = "9"
    & skf18("1","4","10","10","9","9","1") = "9"
    & skf18("1","4","10","10","9","10","1") = "9"
    & skf18("1","4","10","10","10","1","1") = "9"
    & skf18("1","4","10","10","10","2","1") = "9"
    & skf18("1","4","10","10","10","3","1") = "9"
    & skf18("1","4","10","10","10","4","1") = "9"
    & skf18("1","4","10","10","10","5","1") = "9"
    & skf18("1","4","10","10","10","6","1") = "9"
    & skf18("1","4","10","10","10","7","1") = "9"
    & skf18("1","4","10","10","10","8","1") = "9"
    & skf18("1","4","10","10","10","9","1") = "9"
    & skf18("1","4","10","10","10","10","1") = "9"
    & skf18("1","5","1","1","1","1","1") = "4"
    & skf18("1","5","1","1","1","2","1") = "4"
    & skf18("1","5","1","1","1","3","1") = "4"
    & skf18("1","5","1","1","1","4","1") = "4"
    & skf18("1","5","1","1","1","5","1") = "4"
    & skf18("1","5","1","1","1","6","1") = "5"
    & skf18("1","5","1","1","1","7","1") = "6"
    & skf18("1","5","1","1","1","8","1") = "7"
    & skf18("1","5","1","1","1","9","1") = "8"
    & skf18("1","5","1","1","1","10","1") = "9"
    & skf18("1","5","1","1","2","1","1") = "4"
    & skf18("1","5","1","1","2","2","1") = "4"
    & skf18("1","5","1","1","2","3","1") = "4"
    & skf18("1","5","1","1","2","4","1") = "4"
    & skf18("1","5","1","1","2","5","1") = "4"
    & skf18("1","5","1","1","2","6","1") = "5"
    & skf18("1","5","1","1","2","7","1") = "6"
    & skf18("1","5","1","1","2","8","1") = "7"
    & skf18("1","5","1","1","2","9","1") = "8"
    & skf18("1","5","1","1","2","10","1") = "9"
    & skf18("1","5","1","1","3","1","1") = "4"
    & skf18("1","5","1","1","3","2","1") = "4"
    & skf18("1","5","1","1","3","3","1") = "4"
    & skf18("1","5","1","1","3","4","1") = "4"
    & skf18("1","5","1","1","3","5","1") = "4"
    & skf18("1","5","1","1","3","6","1") = "5"
    & skf18("1","5","1","1","3","7","1") = "6"
    & skf18("1","5","1","1","3","8","1") = "7"
    & skf18("1","5","1","1","3","9","1") = "8"
    & skf18("1","5","1","1","3","10","1") = "9"
    & skf18("1","5","1","1","4","1","1") = "4"
    & skf18("1","5","1","1","4","2","1") = "4"
    & skf18("1","5","1","1","4","3","1") = "4"
    & skf18("1","5","1","1","4","4","1") = "4"
    & skf18("1","5","1","1","4","5","1") = "4"
    & skf18("1","5","1","1","4","6","1") = "5"
    & skf18("1","5","1","1","4","7","1") = "6"
    & skf18("1","5","1","1","4","8","1") = "7"
    & skf18("1","5","1","1","4","9","1") = "8"
    & skf18("1","5","1","1","4","10","1") = "9"
    & skf18("1","5","1","1","5","1","1") = "4"
    & skf18("1","5","1","1","5","2","1") = "4"
    & skf18("1","5","1","1","5","3","1") = "4"
    & skf18("1","5","1","1","5","4","1") = "4"
    & skf18("1","5","1","1","5","5","1") = "4"
    & skf18("1","5","1","1","5","6","1") = "5"
    & skf18("1","5","1","1","5","7","1") = "6"
    & skf18("1","5","1","1","5","8","1") = "7"
    & skf18("1","5","1","1","5","9","1") = "8"
    & skf18("1","5","1","1","5","10","1") = "9"
    & skf18("1","5","1","1","6","1","1") = "5"
    & skf18("1","5","1","1","6","2","1") = "5"
    & skf18("1","5","1","1","6","3","1") = "5"
    & skf18("1","5","1","1","6","4","1") = "5"
    & skf18("1","5","1","1","6","5","1") = "5"
    & skf18("1","5","1","1","6","6","1") = "5"
    & skf18("1","5","1","1","6","7","1") = "6"
    & skf18("1","5","1","1","6","8","1") = "7"
    & skf18("1","5","1","1","6","9","1") = "8"
    & skf18("1","5","1","1","6","10","1") = "9"
    & skf18("1","5","1","1","7","1","1") = "6"
    & skf18("1","5","1","1","7","2","1") = "6"
    & skf18("1","5","1","1","7","3","1") = "6"
    & skf18("1","5","1","1","7","4","1") = "6"
    & skf18("1","5","1","1","7","5","1") = "6"
    & skf18("1","5","1","1","7","6","1") = "6"
    & skf18("1","5","1","1","7","7","1") = "6"
    & skf18("1","5","1","1","7","8","1") = "7"
    & skf18("1","5","1","1","7","9","1") = "8"
    & skf18("1","5","1","1","7","10","1") = "9"
    & skf18("1","5","1","1","8","1","1") = "7"
    & skf18("1","5","1","1","8","2","1") = "7"
    & skf18("1","5","1","1","8","3","1") = "7"
    & skf18("1","5","1","1","8","4","1") = "7"
    & skf18("1","5","1","1","8","5","1") = "7"
    & skf18("1","5","1","1","8","6","1") = "7"
    & skf18("1","5","1","1","8","7","1") = "7"
    & skf18("1","5","1","1","8","8","1") = "7"
    & skf18("1","5","1","1","8","9","1") = "8"
    & skf18("1","5","1","1","8","10","1") = "9"
    & skf18("1","5","1","1","9","1","1") = "8"
    & skf18("1","5","1","1","9","2","1") = "8"
    & skf18("1","5","1","1","9","3","1") = "8"
    & skf18("1","5","1","1","9","4","1") = "8"
    & skf18("1","5","1","1","9","5","1") = "8"
    & skf18("1","5","1","1","9","6","1") = "8"
    & skf18("1","5","1","1","9","7","1") = "8"
    & skf18("1","5","1","1","9","8","1") = "8"
    & skf18("1","5","1","1","9","9","1") = "8"
    & skf18("1","5","1","1","9","10","1") = "9"
    & skf18("1","5","1","1","10","1","1") = "9"
    & skf18("1","5","1","1","10","2","1") = "9"
    & skf18("1","5","1","1","10","3","1") = "9"
    & skf18("1","5","1","1","10","4","1") = "9"
    & skf18("1","5","1","1","10","5","1") = "9"
    & skf18("1","5","1","1","10","6","1") = "9"
    & skf18("1","5","1","1","10","7","1") = "9"
    & skf18("1","5","1","1","10","8","1") = "9"
    & skf18("1","5","1","1","10","9","1") = "9"
    & skf18("1","5","1","1","10","10","1") = "9"
    & skf18("1","5","1","2","1","1","1") = "4"
    & skf18("1","5","1","2","1","2","1") = "4"
    & skf18("1","5","1","2","1","3","1") = "4"
    & skf18("1","5","1","2","1","4","1") = "4"
    & skf18("1","5","1","2","1","5","1") = "4"
    & skf18("1","5","1","2","1","6","1") = "5"
    & skf18("1","5","1","2","1","7","1") = "6"
    & skf18("1","5","1","2","1","8","1") = "7"
    & skf18("1","5","1","2","1","9","1") = "8"
    & skf18("1","5","1","2","1","10","1") = "9"
    & skf18("1","5","1","2","2","1","1") = "4"
    & skf18("1","5","1","2","2","2","1") = "4"
    & skf18("1","5","1","2","2","3","1") = "4"
    & skf18("1","5","1","2","2","4","1") = "4"
    & skf18("1","5","1","2","2","5","1") = "4"
    & skf18("1","5","1","2","2","6","1") = "5"
    & skf18("1","5","1","2","2","7","1") = "6"
    & skf18("1","5","1","2","2","8","1") = "7"
    & skf18("1","5","1","2","2","9","1") = "8"
    & skf18("1","5","1","2","2","10","1") = "9"
    & skf18("1","5","1","2","3","1","1") = "4"
    & skf18("1","5","1","2","3","2","1") = "4"
    & skf18("1","5","1","2","3","3","1") = "4"
    & skf18("1","5","1","2","3","4","1") = "4"
    & skf18("1","5","1","2","3","5","1") = "4"
    & skf18("1","5","1","2","3","6","1") = "5"
    & skf18("1","5","1","2","3","7","1") = "6"
    & skf18("1","5","1","2","3","8","1") = "7"
    & skf18("1","5","1","2","3","9","1") = "8"
    & skf18("1","5","1","2","3","10","1") = "9"
    & skf18("1","5","1","2","4","1","1") = "4"
    & skf18("1","5","1","2","4","2","1") = "4"
    & skf18("1","5","1","2","4","3","1") = "4"
    & skf18("1","5","1","2","4","4","1") = "4"
    & skf18("1","5","1","2","4","5","1") = "4"
    & skf18("1","5","1","2","4","6","1") = "5"
    & skf18("1","5","1","2","4","7","1") = "6"
    & skf18("1","5","1","2","4","8","1") = "7"
    & skf18("1","5","1","2","4","9","1") = "8"
    & skf18("1","5","1","2","4","10","1") = "9"
    & skf18("1","5","1","2","5","1","1") = "4"
    & skf18("1","5","1","2","5","2","1") = "4"
    & skf18("1","5","1","2","5","3","1") = "4"
    & skf18("1","5","1","2","5","4","1") = "4"
    & skf18("1","5","1","2","5","5","1") = "4"
    & skf18("1","5","1","2","5","6","1") = "5"
    & skf18("1","5","1","2","5","7","1") = "6"
    & skf18("1","5","1","2","5","8","1") = "7"
    & skf18("1","5","1","2","5","9","1") = "8"
    & skf18("1","5","1","2","5","10","1") = "9"
    & skf18("1","5","1","2","6","1","1") = "5"
    & skf18("1","5","1","2","6","2","1") = "5"
    & skf18("1","5","1","2","6","3","1") = "5"
    & skf18("1","5","1","2","6","4","1") = "5"
    & skf18("1","5","1","2","6","5","1") = "5"
    & skf18("1","5","1","2","6","6","1") = "5"
    & skf18("1","5","1","2","6","7","1") = "6"
    & skf18("1","5","1","2","6","8","1") = "7"
    & skf18("1","5","1","2","6","9","1") = "8"
    & skf18("1","5","1","2","6","10","1") = "9"
    & skf18("1","5","1","2","7","1","1") = "6"
    & skf18("1","5","1","2","7","2","1") = "6"
    & skf18("1","5","1","2","7","3","1") = "6"
    & skf18("1","5","1","2","7","4","1") = "6"
    & skf18("1","5","1","2","7","5","1") = "6"
    & skf18("1","5","1","2","7","6","1") = "6"
    & skf18("1","5","1","2","7","7","1") = "6"
    & skf18("1","5","1","2","7","8","1") = "7"
    & skf18("1","5","1","2","7","9","1") = "8"
    & skf18("1","5","1","2","7","10","1") = "9"
    & skf18("1","5","1","2","8","1","1") = "7"
    & skf18("1","5","1","2","8","2","1") = "7"
    & skf18("1","5","1","2","8","3","1") = "7"
    & skf18("1","5","1","2","8","4","1") = "7"
    & skf18("1","5","1","2","8","5","1") = "7"
    & skf18("1","5","1","2","8","6","1") = "7"
    & skf18("1","5","1","2","8","7","1") = "7"
    & skf18("1","5","1","2","8","8","1") = "7"
    & skf18("1","5","1","2","8","9","1") = "8"
    & skf18("1","5","1","2","8","10","1") = "9"
    & skf18("1","5","1","2","9","1","1") = "8"
    & skf18("1","5","1","2","9","2","1") = "8"
    & skf18("1","5","1","2","9","3","1") = "8"
    & skf18("1","5","1","2","9","4","1") = "8"
    & skf18("1","5","1","2","9","5","1") = "8"
    & skf18("1","5","1","2","9","6","1") = "8"
    & skf18("1","5","1","2","9","7","1") = "8"
    & skf18("1","5","1","2","9","8","1") = "8"
    & skf18("1","5","1","2","9","9","1") = "8"
    & skf18("1","5","1","2","9","10","1") = "9"
    & skf18("1","5","1","2","10","1","1") = "9"
    & skf18("1","5","1","2","10","2","1") = "9"
    & skf18("1","5","1","2","10","3","1") = "9"
    & skf18("1","5","1","2","10","4","1") = "9"
    & skf18("1","5","1","2","10","5","1") = "9"
    & skf18("1","5","1","2","10","6","1") = "9"
    & skf18("1","5","1","2","10","7","1") = "9"
    & skf18("1","5","1","2","10","8","1") = "9"
    & skf18("1","5","1","2","10","9","1") = "9"
    & skf18("1","5","1","2","10","10","1") = "9"
    & skf18("1","5","1","3","1","1","1") = "4"
    & skf18("1","5","1","3","1","2","1") = "4"
    & skf18("1","5","1","3","1","3","1") = "4"
    & skf18("1","5","1","3","1","4","1") = "4"
    & skf18("1","5","1","3","1","5","1") = "4"
    & skf18("1","5","1","3","1","6","1") = "5"
    & skf18("1","5","1","3","1","7","1") = "6"
    & skf18("1","5","1","3","1","8","1") = "7"
    & skf18("1","5","1","3","1","9","1") = "8"
    & skf18("1","5","1","3","1","10","1") = "9"
    & skf18("1","5","1","3","2","1","1") = "4"
    & skf18("1","5","1","3","2","2","1") = "4"
    & skf18("1","5","1","3","2","3","1") = "4"
    & skf18("1","5","1","3","2","4","1") = "4"
    & skf18("1","5","1","3","2","5","1") = "4"
    & skf18("1","5","1","3","2","6","1") = "5"
    & skf18("1","5","1","3","2","7","1") = "6"
    & skf18("1","5","1","3","2","8","1") = "7"
    & skf18("1","5","1","3","2","9","1") = "8"
    & skf18("1","5","1","3","2","10","1") = "9"
    & skf18("1","5","1","3","3","1","1") = "4"
    & skf18("1","5","1","3","3","2","1") = "4"
    & skf18("1","5","1","3","3","3","1") = "4"
    & skf18("1","5","1","3","3","4","1") = "4"
    & skf18("1","5","1","3","3","5","1") = "4"
    & skf18("1","5","1","3","3","6","1") = "5"
    & skf18("1","5","1","3","3","7","1") = "6"
    & skf18("1","5","1","3","3","8","1") = "7"
    & skf18("1","5","1","3","3","9","1") = "8"
    & skf18("1","5","1","3","3","10","1") = "9"
    & skf18("1","5","1","3","4","1","1") = "4"
    & skf18("1","5","1","3","4","2","1") = "4"
    & skf18("1","5","1","3","4","3","1") = "4"
    & skf18("1","5","1","3","4","4","1") = "4"
    & skf18("1","5","1","3","4","5","1") = "4"
    & skf18("1","5","1","3","4","6","1") = "5"
    & skf18("1","5","1","3","4","7","1") = "6"
    & skf18("1","5","1","3","4","8","1") = "7"
    & skf18("1","5","1","3","4","9","1") = "8"
    & skf18("1","5","1","3","4","10","1") = "9"
    & skf18("1","5","1","3","5","1","1") = "4"
    & skf18("1","5","1","3","5","2","1") = "4"
    & skf18("1","5","1","3","5","3","1") = "4"
    & skf18("1","5","1","3","5","4","1") = "4"
    & skf18("1","5","1","3","5","5","1") = "4"
    & skf18("1","5","1","3","5","6","1") = "5"
    & skf18("1","5","1","3","5","7","1") = "6"
    & skf18("1","5","1","3","5","8","1") = "7"
    & skf18("1","5","1","3","5","9","1") = "8"
    & skf18("1","5","1","3","5","10","1") = "9"
    & skf18("1","5","1","3","6","1","1") = "5"
    & skf18("1","5","1","3","6","2","1") = "5"
    & skf18("1","5","1","3","6","3","1") = "5"
    & skf18("1","5","1","3","6","4","1") = "5"
    & skf18("1","5","1","3","6","5","1") = "5"
    & skf18("1","5","1","3","6","6","1") = "5"
    & skf18("1","5","1","3","6","7","1") = "6"
    & skf18("1","5","1","3","6","8","1") = "7"
    & skf18("1","5","1","3","6","9","1") = "8"
    & skf18("1","5","1","3","6","10","1") = "9"
    & skf18("1","5","1","3","7","1","1") = "6"
    & skf18("1","5","1","3","7","2","1") = "6"
    & skf18("1","5","1","3","7","3","1") = "6"
    & skf18("1","5","1","3","7","4","1") = "6"
    & skf18("1","5","1","3","7","5","1") = "6"
    & skf18("1","5","1","3","7","6","1") = "6"
    & skf18("1","5","1","3","7","7","1") = "6"
    & skf18("1","5","1","3","7","8","1") = "7"
    & skf18("1","5","1","3","7","9","1") = "8"
    & skf18("1","5","1","3","7","10","1") = "9"
    & skf18("1","5","1","3","8","1","1") = "7"
    & skf18("1","5","1","3","8","2","1") = "7"
    & skf18("1","5","1","3","8","3","1") = "7"
    & skf18("1","5","1","3","8","4","1") = "7"
    & skf18("1","5","1","3","8","5","1") = "7"
    & skf18("1","5","1","3","8","6","1") = "7"
    & skf18("1","5","1","3","8","7","1") = "7"
    & skf18("1","5","1","3","8","8","1") = "7"
    & skf18("1","5","1","3","8","9","1") = "8"
    & skf18("1","5","1","3","8","10","1") = "9"
    & skf18("1","5","1","3","9","1","1") = "8"
    & skf18("1","5","1","3","9","2","1") = "8"
    & skf18("1","5","1","3","9","3","1") = "8"
    & skf18("1","5","1","3","9","4","1") = "8"
    & skf18("1","5","1","3","9","5","1") = "8"
    & skf18("1","5","1","3","9","6","1") = "8"
    & skf18("1","5","1","3","9","7","1") = "8"
    & skf18("1","5","1","3","9","8","1") = "8"
    & skf18("1","5","1","3","9","9","1") = "8"
    & skf18("1","5","1","3","9","10","1") = "9"
    & skf18("1","5","1","3","10","1","1") = "9"
    & skf18("1","5","1","3","10","2","1") = "9"
    & skf18("1","5","1","3","10","3","1") = "9"
    & skf18("1","5","1","3","10","4","1") = "9"
    & skf18("1","5","1","3","10","5","1") = "9"
    & skf18("1","5","1","3","10","6","1") = "9"
    & skf18("1","5","1","3","10","7","1") = "9"
    & skf18("1","5","1","3","10","8","1") = "9"
    & skf18("1","5","1","3","10","9","1") = "9"
    & skf18("1","5","1","3","10","10","1") = "9"
    & skf18("1","5","1","4","1","1","1") = "4"
    & skf18("1","5","1","4","1","2","1") = "4"
    & skf18("1","5","1","4","1","3","1") = "4"
    & skf18("1","5","1","4","1","4","1") = "4"
    & skf18("1","5","1","4","1","5","1") = "4"
    & skf18("1","5","1","4","1","6","1") = "5"
    & skf18("1","5","1","4","1","7","1") = "6"
    & skf18("1","5","1","4","1","8","1") = "7"
    & skf18("1","5","1","4","1","9","1") = "8"
    & skf18("1","5","1","4","1","10","1") = "9"
    & skf18("1","5","1","4","2","1","1") = "4"
    & skf18("1","5","1","4","2","2","1") = "4"
    & skf18("1","5","1","4","2","3","1") = "4"
    & skf18("1","5","1","4","2","4","1") = "4"
    & skf18("1","5","1","4","2","5","1") = "4"
    & skf18("1","5","1","4","2","6","1") = "5"
    & skf18("1","5","1","4","2","7","1") = "6"
    & skf18("1","5","1","4","2","8","1") = "7"
    & skf18("1","5","1","4","2","9","1") = "8"
    & skf18("1","5","1","4","2","10","1") = "9"
    & skf18("1","5","1","4","3","1","1") = "4"
    & skf18("1","5","1","4","3","2","1") = "4"
    & skf18("1","5","1","4","3","3","1") = "4"
    & skf18("1","5","1","4","3","4","1") = "4"
    & skf18("1","5","1","4","3","5","1") = "4"
    & skf18("1","5","1","4","3","6","1") = "5"
    & skf18("1","5","1","4","3","7","1") = "6"
    & skf18("1","5","1","4","3","8","1") = "7"
    & skf18("1","5","1","4","3","9","1") = "8"
    & skf18("1","5","1","4","3","10","1") = "9"
    & skf18("1","5","1","4","4","1","1") = "4"
    & skf18("1","5","1","4","4","2","1") = "4"
    & skf18("1","5","1","4","4","3","1") = "4"
    & skf18("1","5","1","4","4","4","1") = "4"
    & skf18("1","5","1","4","4","5","1") = "4"
    & skf18("1","5","1","4","4","6","1") = "5"
    & skf18("1","5","1","4","4","7","1") = "6"
    & skf18("1","5","1","4","4","8","1") = "7"
    & skf18("1","5","1","4","4","9","1") = "8"
    & skf18("1","5","1","4","4","10","1") = "9"
    & skf18("1","5","1","4","5","1","1") = "4"
    & skf18("1","5","1","4","5","2","1") = "4"
    & skf18("1","5","1","4","5","3","1") = "4"
    & skf18("1","5","1","4","5","4","1") = "4"
    & skf18("1","5","1","4","5","5","1") = "4"
    & skf18("1","5","1","4","5","6","1") = "5"
    & skf18("1","5","1","4","5","7","1") = "6"
    & skf18("1","5","1","4","5","8","1") = "7"
    & skf18("1","5","1","4","5","9","1") = "8"
    & skf18("1","5","1","4","5","10","1") = "9"
    & skf18("1","5","1","4","6","1","1") = "5"
    & skf18("1","5","1","4","6","2","1") = "5"
    & skf18("1","5","1","4","6","3","1") = "5"
    & skf18("1","5","1","4","6","4","1") = "5"
    & skf18("1","5","1","4","6","5","1") = "5"
    & skf18("1","5","1","4","6","6","1") = "5"
    & skf18("1","5","1","4","6","7","1") = "6"
    & skf18("1","5","1","4","6","8","1") = "7"
    & skf18("1","5","1","4","6","9","1") = "8"
    & skf18("1","5","1","4","6","10","1") = "9"
    & skf18("1","5","1","4","7","1","1") = "6"
    & skf18("1","5","1","4","7","2","1") = "6"
    & skf18("1","5","1","4","7","3","1") = "6"
    & skf18("1","5","1","4","7","4","1") = "6"
    & skf18("1","5","1","4","7","5","1") = "6"
    & skf18("1","5","1","4","7","6","1") = "6"
    & skf18("1","5","1","4","7","7","1") = "6"
    & skf18("1","5","1","4","7","8","1") = "7"
    & skf18("1","5","1","4","7","9","1") = "8"
    & skf18("1","5","1","4","7","10","1") = "9"
    & skf18("1","5","1","4","8","1","1") = "7"
    & skf18("1","5","1","4","8","2","1") = "7"
    & skf18("1","5","1","4","8","3","1") = "7"
    & skf18("1","5","1","4","8","4","1") = "7"
    & skf18("1","5","1","4","8","5","1") = "7"
    & skf18("1","5","1","4","8","6","1") = "7"
    & skf18("1","5","1","4","8","7","1") = "7"
    & skf18("1","5","1","4","8","8","1") = "7"
    & skf18("1","5","1","4","8","9","1") = "8"
    & skf18("1","5","1","4","8","10","1") = "9"
    & skf18("1","5","1","4","9","1","1") = "8"
    & skf18("1","5","1","4","9","2","1") = "8"
    & skf18("1","5","1","4","9","3","1") = "8"
    & skf18("1","5","1","4","9","4","1") = "8"
    & skf18("1","5","1","4","9","5","1") = "8"
    & skf18("1","5","1","4","9","6","1") = "8"
    & skf18("1","5","1","4","9","7","1") = "8"
    & skf18("1","5","1","4","9","8","1") = "8"
    & skf18("1","5","1","4","9","9","1") = "8"
    & skf18("1","5","1","4","9","10","1") = "9"
    & skf18("1","5","1","4","10","1","1") = "9"
    & skf18("1","5","1","4","10","2","1") = "9"
    & skf18("1","5","1","4","10","3","1") = "9"
    & skf18("1","5","1","4","10","4","1") = "9"
    & skf18("1","5","1","4","10","5","1") = "9"
    & skf18("1","5","1","4","10","6","1") = "9"
    & skf18("1","5","1","4","10","7","1") = "9"
    & skf18("1","5","1","4","10","8","1") = "9"
    & skf18("1","5","1","4","10","9","1") = "9"
    & skf18("1","5","1","4","10","10","1") = "9"
    & skf18("1","5","1","5","1","1","1") = "4"
    & skf18("1","5","1","5","1","2","1") = "4"
    & skf18("1","5","1","5","1","3","1") = "4"
    & skf18("1","5","1","5","1","4","1") = "4"
    & skf18("1","5","1","5","1","5","1") = "4"
    & skf18("1","5","1","5","1","6","1") = "5"
    & skf18("1","5","1","5","1","7","1") = "6"
    & skf18("1","5","1","5","1","8","1") = "7"
    & skf18("1","5","1","5","1","9","1") = "8"
    & skf18("1","5","1","5","1","10","1") = "9"
    & skf18("1","5","1","5","2","1","1") = "4"
    & skf18("1","5","1","5","2","2","1") = "4"
    & skf18("1","5","1","5","2","3","1") = "4"
    & skf18("1","5","1","5","2","4","1") = "4"
    & skf18("1","5","1","5","2","5","1") = "4"
    & skf18("1","5","1","5","2","6","1") = "5"
    & skf18("1","5","1","5","2","7","1") = "6"
    & skf18("1","5","1","5","2","8","1") = "7"
    & skf18("1","5","1","5","2","9","1") = "8"
    & skf18("1","5","1","5","2","10","1") = "9"
    & skf18("1","5","1","5","3","1","1") = "4"
    & skf18("1","5","1","5","3","2","1") = "4"
    & skf18("1","5","1","5","3","3","1") = "4"
    & skf18("1","5","1","5","3","4","1") = "4"
    & skf18("1","5","1","5","3","5","1") = "4"
    & skf18("1","5","1","5","3","6","1") = "5"
    & skf18("1","5","1","5","3","7","1") = "6"
    & skf18("1","5","1","5","3","8","1") = "7"
    & skf18("1","5","1","5","3","9","1") = "8"
    & skf18("1","5","1","5","3","10","1") = "9"
    & skf18("1","5","1","5","4","1","1") = "4"
    & skf18("1","5","1","5","4","2","1") = "4"
    & skf18("1","5","1","5","4","3","1") = "4"
    & skf18("1","5","1","5","4","4","1") = "4"
    & skf18("1","5","1","5","4","5","1") = "4"
    & skf18("1","5","1","5","4","6","1") = "5"
    & skf18("1","5","1","5","4","7","1") = "6"
    & skf18("1","5","1","5","4","8","1") = "7"
    & skf18("1","5","1","5","4","9","1") = "8"
    & skf18("1","5","1","5","4","10","1") = "9"
    & skf18("1","5","1","5","5","1","1") = "4"
    & skf18("1","5","1","5","5","2","1") = "4"
    & skf18("1","5","1","5","5","3","1") = "4"
    & skf18("1","5","1","5","5","4","1") = "4"
    & skf18("1","5","1","5","5","5","1") = "4"
    & skf18("1","5","1","5","5","6","1") = "5"
    & skf18("1","5","1","5","5","7","1") = "6"
    & skf18("1","5","1","5","5","8","1") = "7"
    & skf18("1","5","1","5","5","9","1") = "8"
    & skf18("1","5","1","5","5","10","1") = "9"
    & skf18("1","5","1","5","6","1","1") = "5"
    & skf18("1","5","1","5","6","2","1") = "5"
    & skf18("1","5","1","5","6","3","1") = "5"
    & skf18("1","5","1","5","6","4","1") = "5"
    & skf18("1","5","1","5","6","5","1") = "5"
    & skf18("1","5","1","5","6","6","1") = "5"
    & skf18("1","5","1","5","6","7","1") = "6"
    & skf18("1","5","1","5","6","8","1") = "7"
    & skf18("1","5","1","5","6","9","1") = "8"
    & skf18("1","5","1","5","6","10","1") = "9"
    & skf18("1","5","1","5","7","1","1") = "6"
    & skf18("1","5","1","5","7","2","1") = "6"
    & skf18("1","5","1","5","7","3","1") = "6"
    & skf18("1","5","1","5","7","4","1") = "6"
    & skf18("1","5","1","5","7","5","1") = "6"
    & skf18("1","5","1","5","7","6","1") = "6"
    & skf18("1","5","1","5","7","7","1") = "6"
    & skf18("1","5","1","5","7","8","1") = "7"
    & skf18("1","5","1","5","7","9","1") = "8"
    & skf18("1","5","1","5","7","10","1") = "9"
    & skf18("1","5","1","5","8","1","1") = "7"
    & skf18("1","5","1","5","8","2","1") = "7"
    & skf18("1","5","1","5","8","3","1") = "7"
    & skf18("1","5","1","5","8","4","1") = "7"
    & skf18("1","5","1","5","8","5","1") = "7"
    & skf18("1","5","1","5","8","6","1") = "7"
    & skf18("1","5","1","5","8","7","1") = "7"
    & skf18("1","5","1","5","8","8","1") = "7"
    & skf18("1","5","1","5","8","9","1") = "8"
    & skf18("1","5","1","5","8","10","1") = "9"
    & skf18("1","5","1","5","9","1","1") = "8"
    & skf18("1","5","1","5","9","2","1") = "8"
    & skf18("1","5","1","5","9","3","1") = "8"
    & skf18("1","5","1","5","9","4","1") = "8"
    & skf18("1","5","1","5","9","5","1") = "8"
    & skf18("1","5","1","5","9","6","1") = "8"
    & skf18("1","5","1","5","9","7","1") = "8"
    & skf18("1","5","1","5","9","8","1") = "8"
    & skf18("1","5","1","5","9","9","1") = "8"
    & skf18("1","5","1","5","9","10","1") = "9"
    & skf18("1","5","1","5","10","1","1") = "9"
    & skf18("1","5","1","5","10","2","1") = "9"
    & skf18("1","5","1","5","10","3","1") = "9"
    & skf18("1","5","1","5","10","4","1") = "9"
    & skf18("1","5","1","5","10","5","1") = "9"
    & skf18("1","5","1","5","10","6","1") = "9"
    & skf18("1","5","1","5","10","7","1") = "9"
    & skf18("1","5","1","5","10","8","1") = "9"
    & skf18("1","5","1","5","10","9","1") = "9"
    & skf18("1","5","1","5","10","10","1") = "9"
    & skf18("1","5","1","6","1","1","1") = "5"
    & skf18("1","5","1","6","1","2","1") = "5"
    & skf18("1","5","1","6","1","3","1") = "5"
    & skf18("1","5","1","6","1","4","1") = "5"
    & skf18("1","5","1","6","1","5","1") = "5"
    & skf18("1","5","1","6","1","6","1") = "5"
    & skf18("1","5","1","6","1","7","1") = "6"
    & skf18("1","5","1","6","1","8","1") = "7"
    & skf18("1","5","1","6","1","9","1") = "8"
    & skf18("1","5","1","6","1","10","1") = "9"
    & skf18("1","5","1","6","2","1","1") = "5"
    & skf18("1","5","1","6","2","2","1") = "5"
    & skf18("1","5","1","6","2","3","1") = "5"
    & skf18("1","5","1","6","2","4","1") = "5"
    & skf18("1","5","1","6","2","5","1") = "5"
    & skf18("1","5","1","6","2","6","1") = "5"
    & skf18("1","5","1","6","2","7","1") = "6"
    & skf18("1","5","1","6","2","8","1") = "7"
    & skf18("1","5","1","6","2","9","1") = "8"
    & skf18("1","5","1","6","2","10","1") = "9"
    & skf18("1","5","1","6","3","1","1") = "5"
    & skf18("1","5","1","6","3","2","1") = "5"
    & skf18("1","5","1","6","3","3","1") = "5"
    & skf18("1","5","1","6","3","4","1") = "5"
    & skf18("1","5","1","6","3","5","1") = "5"
    & skf18("1","5","1","6","3","6","1") = "5"
    & skf18("1","5","1","6","3","7","1") = "6"
    & skf18("1","5","1","6","3","8","1") = "7"
    & skf18("1","5","1","6","3","9","1") = "8"
    & skf18("1","5","1","6","3","10","1") = "9"
    & skf18("1","5","1","6","4","1","1") = "5"
    & skf18("1","5","1","6","4","2","1") = "5"
    & skf18("1","5","1","6","4","3","1") = "5"
    & skf18("1","5","1","6","4","4","1") = "5"
    & skf18("1","5","1","6","4","5","1") = "5"
    & skf18("1","5","1","6","4","6","1") = "5"
    & skf18("1","5","1","6","4","7","1") = "6"
    & skf18("1","5","1","6","4","8","1") = "7"
    & skf18("1","5","1","6","4","9","1") = "8"
    & skf18("1","5","1","6","4","10","1") = "9"
    & skf18("1","5","1","6","5","1","1") = "5"
    & skf18("1","5","1","6","5","2","1") = "5"
    & skf18("1","5","1","6","5","3","1") = "5"
    & skf18("1","5","1","6","5","4","1") = "5"
    & skf18("1","5","1","6","5","5","1") = "5"
    & skf18("1","5","1","6","5","6","1") = "5"
    & skf18("1","5","1","6","5","7","1") = "6"
    & skf18("1","5","1","6","5","8","1") = "7"
    & skf18("1","5","1","6","5","9","1") = "8"
    & skf18("1","5","1","6","5","10","1") = "9"
    & skf18("1","5","1","6","6","1","1") = "5"
    & skf18("1","5","1","6","6","2","1") = "5"
    & skf18("1","5","1","6","6","3","1") = "5"
    & skf18("1","5","1","6","6","4","1") = "5"
    & skf18("1","5","1","6","6","5","1") = "5"
    & skf18("1","5","1","6","6","6","1") = "5"
    & skf18("1","5","1","6","6","7","1") = "6"
    & skf18("1","5","1","6","6","8","1") = "7"
    & skf18("1","5","1","6","6","9","1") = "8"
    & skf18("1","5","1","6","6","10","1") = "9"
    & skf18("1","5","1","6","7","1","1") = "6"
    & skf18("1","5","1","6","7","2","1") = "6"
    & skf18("1","5","1","6","7","3","1") = "6"
    & skf18("1","5","1","6","7","4","1") = "6"
    & skf18("1","5","1","6","7","5","1") = "6"
    & skf18("1","5","1","6","7","6","1") = "6"
    & skf18("1","5","1","6","7","7","1") = "6"
    & skf18("1","5","1","6","7","8","1") = "7"
    & skf18("1","5","1","6","7","9","1") = "8"
    & skf18("1","5","1","6","7","10","1") = "9"
    & skf18("1","5","1","6","8","1","1") = "7"
    & skf18("1","5","1","6","8","2","1") = "7"
    & skf18("1","5","1","6","8","3","1") = "7"
    & skf18("1","5","1","6","8","4","1") = "7"
    & skf18("1","5","1","6","8","5","1") = "7"
    & skf18("1","5","1","6","8","6","1") = "7"
    & skf18("1","5","1","6","8","7","1") = "7"
    & skf18("1","5","1","6","8","8","1") = "7"
    & skf18("1","5","1","6","8","9","1") = "8"
    & skf18("1","5","1","6","8","10","1") = "9"
    & skf18("1","5","1","6","9","1","1") = "8"
    & skf18("1","5","1","6","9","2","1") = "8"
    & skf18("1","5","1","6","9","3","1") = "8"
    & skf18("1","5","1","6","9","4","1") = "8"
    & skf18("1","5","1","6","9","5","1") = "8"
    & skf18("1","5","1","6","9","6","1") = "8"
    & skf18("1","5","1","6","9","7","1") = "8"
    & skf18("1","5","1","6","9","8","1") = "8"
    & skf18("1","5","1","6","9","9","1") = "8"
    & skf18("1","5","1","6","9","10","1") = "9"
    & skf18("1","5","1","6","10","1","1") = "9"
    & skf18("1","5","1","6","10","2","1") = "9"
    & skf18("1","5","1","6","10","3","1") = "9"
    & skf18("1","5","1","6","10","4","1") = "9"
    & skf18("1","5","1","6","10","5","1") = "9"
    & skf18("1","5","1","6","10","6","1") = "9"
    & skf18("1","5","1","6","10","7","1") = "9"
    & skf18("1","5","1","6","10","8","1") = "9"
    & skf18("1","5","1","6","10","9","1") = "9"
    & skf18("1","5","1","6","10","10","1") = "9"
    & skf18("1","5","1","7","1","1","1") = "6"
    & skf18("1","5","1","7","1","2","1") = "6"
    & skf18("1","5","1","7","1","3","1") = "6"
    & skf18("1","5","1","7","1","4","1") = "6"
    & skf18("1","5","1","7","1","5","1") = "6"
    & skf18("1","5","1","7","1","6","1") = "6"
    & skf18("1","5","1","7","1","7","1") = "6"
    & skf18("1","5","1","7","1","8","1") = "7"
    & skf18("1","5","1","7","1","9","1") = "8"
    & skf18("1","5","1","7","1","10","1") = "9"
    & skf18("1","5","1","7","2","1","1") = "6"
    & skf18("1","5","1","7","2","2","1") = "6"
    & skf18("1","5","1","7","2","3","1") = "6"
    & skf18("1","5","1","7","2","4","1") = "6"
    & skf18("1","5","1","7","2","5","1") = "6"
    & skf18("1","5","1","7","2","6","1") = "6"
    & skf18("1","5","1","7","2","7","1") = "6"
    & skf18("1","5","1","7","2","8","1") = "7"
    & skf18("1","5","1","7","2","9","1") = "8"
    & skf18("1","5","1","7","2","10","1") = "9"
    & skf18("1","5","1","7","3","1","1") = "6"
    & skf18("1","5","1","7","3","2","1") = "6"
    & skf18("1","5","1","7","3","3","1") = "6"
    & skf18("1","5","1","7","3","4","1") = "6"
    & skf18("1","5","1","7","3","5","1") = "6"
    & skf18("1","5","1","7","3","6","1") = "6"
    & skf18("1","5","1","7","3","7","1") = "6"
    & skf18("1","5","1","7","3","8","1") = "7"
    & skf18("1","5","1","7","3","9","1") = "8"
    & skf18("1","5","1","7","3","10","1") = "9"
    & skf18("1","5","1","7","4","1","1") = "6"
    & skf18("1","5","1","7","4","2","1") = "6"
    & skf18("1","5","1","7","4","3","1") = "6"
    & skf18("1","5","1","7","4","4","1") = "6"
    & skf18("1","5","1","7","4","5","1") = "6"
    & skf18("1","5","1","7","4","6","1") = "6"
    & skf18("1","5","1","7","4","7","1") = "6"
    & skf18("1","5","1","7","4","8","1") = "7"
    & skf18("1","5","1","7","4","9","1") = "8"
    & skf18("1","5","1","7","4","10","1") = "9"
    & skf18("1","5","1","7","5","1","1") = "6"
    & skf18("1","5","1","7","5","2","1") = "6"
    & skf18("1","5","1","7","5","3","1") = "6"
    & skf18("1","5","1","7","5","4","1") = "6"
    & skf18("1","5","1","7","5","5","1") = "6"
    & skf18("1","5","1","7","5","6","1") = "6"
    & skf18("1","5","1","7","5","7","1") = "6"
    & skf18("1","5","1","7","5","8","1") = "7"
    & skf18("1","5","1","7","5","9","1") = "8"
    & skf18("1","5","1","7","5","10","1") = "9"
    & skf18("1","5","1","7","6","1","1") = "6"
    & skf18("1","5","1","7","6","2","1") = "6"
    & skf18("1","5","1","7","6","3","1") = "6"
    & skf18("1","5","1","7","6","4","1") = "6"
    & skf18("1","5","1","7","6","5","1") = "6"
    & skf18("1","5","1","7","6","6","1") = "6"
    & skf18("1","5","1","7","6","7","1") = "6"
    & skf18("1","5","1","7","6","8","1") = "7"
    & skf18("1","5","1","7","6","9","1") = "8"
    & skf18("1","5","1","7","6","10","1") = "9"
    & skf18("1","5","1","7","7","1","1") = "6"
    & skf18("1","5","1","7","7","2","1") = "6"
    & skf18("1","5","1","7","7","3","1") = "6"
    & skf18("1","5","1","7","7","4","1") = "6"
    & skf18("1","5","1","7","7","5","1") = "6"
    & skf18("1","5","1","7","7","6","1") = "6"
    & skf18("1","5","1","7","7","7","1") = "6"
    & skf18("1","5","1","7","7","8","1") = "7"
    & skf18("1","5","1","7","7","9","1") = "8"
    & skf18("1","5","1","7","7","10","1") = "9"
    & skf18("1","5","1","7","8","1","1") = "7"
    & skf18("1","5","1","7","8","2","1") = "7"
    & skf18("1","5","1","7","8","3","1") = "7"
    & skf18("1","5","1","7","8","4","1") = "7"
    & skf18("1","5","1","7","8","5","1") = "7"
    & skf18("1","5","1","7","8","6","1") = "7"
    & skf18("1","5","1","7","8","7","1") = "7"
    & skf18("1","5","1","7","8","8","1") = "7"
    & skf18("1","5","1","7","8","9","1") = "8"
    & skf18("1","5","1","7","8","10","1") = "9"
    & skf18("1","5","1","7","9","1","1") = "8"
    & skf18("1","5","1","7","9","2","1") = "8"
    & skf18("1","5","1","7","9","3","1") = "8"
    & skf18("1","5","1","7","9","4","1") = "8"
    & skf18("1","5","1","7","9","5","1") = "8"
    & skf18("1","5","1","7","9","6","1") = "8"
    & skf18("1","5","1","7","9","7","1") = "8"
    & skf18("1","5","1","7","9","8","1") = "8"
    & skf18("1","5","1","7","9","9","1") = "8"
    & skf18("1","5","1","7","9","10","1") = "9"
    & skf18("1","5","1","7","10","1","1") = "9"
    & skf18("1","5","1","7","10","2","1") = "9"
    & skf18("1","5","1","7","10","3","1") = "9"
    & skf18("1","5","1","7","10","4","1") = "9"
    & skf18("1","5","1","7","10","5","1") = "9"
    & skf18("1","5","1","7","10","6","1") = "9"
    & skf18("1","5","1","7","10","7","1") = "9"
    & skf18("1","5","1","7","10","8","1") = "9"
    & skf18("1","5","1","7","10","9","1") = "9"
    & skf18("1","5","1","7","10","10","1") = "9"
    & skf18("1","5","1","8","1","1","1") = "7"
    & skf18("1","5","1","8","1","2","1") = "7"
    & skf18("1","5","1","8","1","3","1") = "7"
    & skf18("1","5","1","8","1","4","1") = "7"
    & skf18("1","5","1","8","1","5","1") = "7"
    & skf18("1","5","1","8","1","6","1") = "7"
    & skf18("1","5","1","8","1","7","1") = "7"
    & skf18("1","5","1","8","1","8","1") = "7"
    & skf18("1","5","1","8","1","9","1") = "8"
    & skf18("1","5","1","8","1","10","1") = "9"
    & skf18("1","5","1","8","2","1","1") = "7"
    & skf18("1","5","1","8","2","2","1") = "7"
    & skf18("1","5","1","8","2","3","1") = "7"
    & skf18("1","5","1","8","2","4","1") = "7"
    & skf18("1","5","1","8","2","5","1") = "7"
    & skf18("1","5","1","8","2","6","1") = "7"
    & skf18("1","5","1","8","2","7","1") = "7"
    & skf18("1","5","1","8","2","8","1") = "7"
    & skf18("1","5","1","8","2","9","1") = "8"
    & skf18("1","5","1","8","2","10","1") = "9"
    & skf18("1","5","1","8","3","1","1") = "7"
    & skf18("1","5","1","8","3","2","1") = "7"
    & skf18("1","5","1","8","3","3","1") = "7"
    & skf18("1","5","1","8","3","4","1") = "7"
    & skf18("1","5","1","8","3","5","1") = "7"
    & skf18("1","5","1","8","3","6","1") = "7"
    & skf18("1","5","1","8","3","7","1") = "7"
    & skf18("1","5","1","8","3","8","1") = "7"
    & skf18("1","5","1","8","3","9","1") = "8"
    & skf18("1","5","1","8","3","10","1") = "9"
    & skf18("1","5","1","8","4","1","1") = "7"
    & skf18("1","5","1","8","4","2","1") = "7"
    & skf18("1","5","1","8","4","3","1") = "7"
    & skf18("1","5","1","8","4","4","1") = "7"
    & skf18("1","5","1","8","4","5","1") = "7"
    & skf18("1","5","1","8","4","6","1") = "7"
    & skf18("1","5","1","8","4","7","1") = "7"
    & skf18("1","5","1","8","4","8","1") = "7"
    & skf18("1","5","1","8","4","9","1") = "8"
    & skf18("1","5","1","8","4","10","1") = "9"
    & skf18("1","5","1","8","5","1","1") = "7"
    & skf18("1","5","1","8","5","2","1") = "7"
    & skf18("1","5","1","8","5","3","1") = "7"
    & skf18("1","5","1","8","5","4","1") = "7"
    & skf18("1","5","1","8","5","5","1") = "7"
    & skf18("1","5","1","8","5","6","1") = "7"
    & skf18("1","5","1","8","5","7","1") = "7"
    & skf18("1","5","1","8","5","8","1") = "7"
    & skf18("1","5","1","8","5","9","1") = "8"
    & skf18("1","5","1","8","5","10","1") = "9"
    & skf18("1","5","1","8","6","1","1") = "7"
    & skf18("1","5","1","8","6","2","1") = "7"
    & skf18("1","5","1","8","6","3","1") = "7"
    & skf18("1","5","1","8","6","4","1") = "7"
    & skf18("1","5","1","8","6","5","1") = "7"
    & skf18("1","5","1","8","6","6","1") = "7"
    & skf18("1","5","1","8","6","7","1") = "7"
    & skf18("1","5","1","8","6","8","1") = "7"
    & skf18("1","5","1","8","6","9","1") = "8"
    & skf18("1","5","1","8","6","10","1") = "9"
    & skf18("1","5","1","8","7","1","1") = "7"
    & skf18("1","5","1","8","7","2","1") = "7"
    & skf18("1","5","1","8","7","3","1") = "7"
    & skf18("1","5","1","8","7","4","1") = "7"
    & skf18("1","5","1","8","7","5","1") = "7"
    & skf18("1","5","1","8","7","6","1") = "7"
    & skf18("1","5","1","8","7","7","1") = "7"
    & skf18("1","5","1","8","7","8","1") = "7"
    & skf18("1","5","1","8","7","9","1") = "8"
    & skf18("1","5","1","8","7","10","1") = "9"
    & skf18("1","5","1","8","8","1","1") = "7"
    & skf18("1","5","1","8","8","2","1") = "7"
    & skf18("1","5","1","8","8","3","1") = "7"
    & skf18("1","5","1","8","8","4","1") = "7"
    & skf18("1","5","1","8","8","5","1") = "7"
    & skf18("1","5","1","8","8","6","1") = "7"
    & skf18("1","5","1","8","8","7","1") = "7"
    & skf18("1","5","1","8","8","8","1") = "7"
    & skf18("1","5","1","8","8","9","1") = "8"
    & skf18("1","5","1","8","8","10","1") = "9"
    & skf18("1","5","1","8","9","1","1") = "8"
    & skf18("1","5","1","8","9","2","1") = "8"
    & skf18("1","5","1","8","9","3","1") = "8"
    & skf18("1","5","1","8","9","4","1") = "8"
    & skf18("1","5","1","8","9","5","1") = "8"
    & skf18("1","5","1","8","9","6","1") = "8"
    & skf18("1","5","1","8","9","7","1") = "8"
    & skf18("1","5","1","8","9","8","1") = "8"
    & skf18("1","5","1","8","9","9","1") = "8"
    & skf18("1","5","1","8","9","10","1") = "9"
    & skf18("1","5","1","8","10","1","1") = "9"
    & skf18("1","5","1","8","10","2","1") = "9"
    & skf18("1","5","1","8","10","3","1") = "9"
    & skf18("1","5","1","8","10","4","1") = "9"
    & skf18("1","5","1","8","10","5","1") = "9"
    & skf18("1","5","1","8","10","6","1") = "9"
    & skf18("1","5","1","8","10","7","1") = "9"
    & skf18("1","5","1","8","10","8","1") = "9"
    & skf18("1","5","1","8","10","9","1") = "9"
    & skf18("1","5","1","8","10","10","1") = "9"
    & skf18("1","5","1","9","1","1","1") = "8"
    & skf18("1","5","1","9","1","2","1") = "8"
    & skf18("1","5","1","9","1","3","1") = "8"
    & skf18("1","5","1","9","1","4","1") = "8"
    & skf18("1","5","1","9","1","5","1") = "8"
    & skf18("1","5","1","9","1","6","1") = "8"
    & skf18("1","5","1","9","1","7","1") = "8"
    & skf18("1","5","1","9","1","8","1") = "8"
    & skf18("1","5","1","9","1","9","1") = "8"
    & skf18("1","5","1","9","1","10","1") = "9"
    & skf18("1","5","1","9","2","1","1") = "8"
    & skf18("1","5","1","9","2","2","1") = "8"
    & skf18("1","5","1","9","2","3","1") = "8"
    & skf18("1","5","1","9","2","4","1") = "8"
    & skf18("1","5","1","9","2","5","1") = "8"
    & skf18("1","5","1","9","2","6","1") = "8"
    & skf18("1","5","1","9","2","7","1") = "8"
    & skf18("1","5","1","9","2","8","1") = "8"
    & skf18("1","5","1","9","2","9","1") = "8"
    & skf18("1","5","1","9","2","10","1") = "9"
    & skf18("1","5","1","9","3","1","1") = "8"
    & skf18("1","5","1","9","3","2","1") = "8"
    & skf18("1","5","1","9","3","3","1") = "8"
    & skf18("1","5","1","9","3","4","1") = "8"
    & skf18("1","5","1","9","3","5","1") = "8"
    & skf18("1","5","1","9","3","6","1") = "8"
    & skf18("1","5","1","9","3","7","1") = "8"
    & skf18("1","5","1","9","3","8","1") = "8"
    & skf18("1","5","1","9","3","9","1") = "8"
    & skf18("1","5","1","9","3","10","1") = "9"
    & skf18("1","5","1","9","4","1","1") = "8"
    & skf18("1","5","1","9","4","2","1") = "8"
    & skf18("1","5","1","9","4","3","1") = "8"
    & skf18("1","5","1","9","4","4","1") = "8"
    & skf18("1","5","1","9","4","5","1") = "8"
    & skf18("1","5","1","9","4","6","1") = "8"
    & skf18("1","5","1","9","4","7","1") = "8"
    & skf18("1","5","1","9","4","8","1") = "8"
    & skf18("1","5","1","9","4","9","1") = "8"
    & skf18("1","5","1","9","4","10","1") = "9"
    & skf18("1","5","1","9","5","1","1") = "8"
    & skf18("1","5","1","9","5","2","1") = "8"
    & skf18("1","5","1","9","5","3","1") = "8"
    & skf18("1","5","1","9","5","4","1") = "8"
    & skf18("1","5","1","9","5","5","1") = "8"
    & skf18("1","5","1","9","5","6","1") = "8"
    & skf18("1","5","1","9","5","7","1") = "8"
    & skf18("1","5","1","9","5","8","1") = "8"
    & skf18("1","5","1","9","5","9","1") = "8"
    & skf18("1","5","1","9","5","10","1") = "9"
    & skf18("1","5","1","9","6","1","1") = "8"
    & skf18("1","5","1","9","6","2","1") = "8"
    & skf18("1","5","1","9","6","3","1") = "8"
    & skf18("1","5","1","9","6","4","1") = "8"
    & skf18("1","5","1","9","6","5","1") = "8"
    & skf18("1","5","1","9","6","6","1") = "8"
    & skf18("1","5","1","9","6","7","1") = "8"
    & skf18("1","5","1","9","6","8","1") = "8"
    & skf18("1","5","1","9","6","9","1") = "8"
    & skf18("1","5","1","9","6","10","1") = "9"
    & skf18("1","5","1","9","7","1","1") = "8"
    & skf18("1","5","1","9","7","2","1") = "8"
    & skf18("1","5","1","9","7","3","1") = "8"
    & skf18("1","5","1","9","7","4","1") = "8"
    & skf18("1","5","1","9","7","5","1") = "8"
    & skf18("1","5","1","9","7","6","1") = "8"
    & skf18("1","5","1","9","7","7","1") = "8"
    & skf18("1","5","1","9","7","8","1") = "8"
    & skf18("1","5","1","9","7","9","1") = "8"
    & skf18("1","5","1","9","7","10","1") = "9"
    & skf18("1","5","1","9","8","1","1") = "8"
    & skf18("1","5","1","9","8","2","1") = "8"
    & skf18("1","5","1","9","8","3","1") = "8"
    & skf18("1","5","1","9","8","4","1") = "8"
    & skf18("1","5","1","9","8","5","1") = "8"
    & skf18("1","5","1","9","8","6","1") = "8"
    & skf18("1","5","1","9","8","7","1") = "8"
    & skf18("1","5","1","9","8","8","1") = "8"
    & skf18("1","5","1","9","8","9","1") = "8"
    & skf18("1","5","1","9","8","10","1") = "9"
    & skf18("1","5","1","9","9","1","1") = "8"
    & skf18("1","5","1","9","9","2","1") = "8"
    & skf18("1","5","1","9","9","3","1") = "8"
    & skf18("1","5","1","9","9","4","1") = "8"
    & skf18("1","5","1","9","9","5","1") = "8"
    & skf18("1","5","1","9","9","6","1") = "8"
    & skf18("1","5","1","9","9","7","1") = "8"
    & skf18("1","5","1","9","9","8","1") = "8"
    & skf18("1","5","1","9","9","9","1") = "8"
    & skf18("1","5","1","9","9","10","1") = "9"
    & skf18("1","5","1","9","10","1","1") = "9"
    & skf18("1","5","1","9","10","2","1") = "9"
    & skf18("1","5","1","9","10","3","1") = "9"
    & skf18("1","5","1","9","10","4","1") = "9"
    & skf18("1","5","1","9","10","5","1") = "9"
    & skf18("1","5","1","9","10","6","1") = "9"
    & skf18("1","5","1","9","10","7","1") = "9"
    & skf18("1","5","1","9","10","8","1") = "9"
    & skf18("1","5","1","9","10","9","1") = "9"
    & skf18("1","5","1","9","10","10","1") = "9"
    & skf18("1","5","1","10","1","1","1") = "9"
    & skf18("1","5","1","10","1","2","1") = "9"
    & skf18("1","5","1","10","1","3","1") = "9"
    & skf18("1","5","1","10","1","4","1") = "9"
    & skf18("1","5","1","10","1","5","1") = "9"
    & skf18("1","5","1","10","1","6","1") = "9"
    & skf18("1","5","1","10","1","7","1") = "9"
    & skf18("1","5","1","10","1","8","1") = "9"
    & skf18("1","5","1","10","1","9","1") = "9"
    & skf18("1","5","1","10","1","10","1") = "9"
    & skf18("1","5","1","10","2","1","1") = "9"
    & skf18("1","5","1","10","2","2","1") = "9"
    & skf18("1","5","1","10","2","3","1") = "9"
    & skf18("1","5","1","10","2","4","1") = "9"
    & skf18("1","5","1","10","2","5","1") = "9"
    & skf18("1","5","1","10","2","6","1") = "9"
    & skf18("1","5","1","10","2","7","1") = "9"
    & skf18("1","5","1","10","2","8","1") = "9"
    & skf18("1","5","1","10","2","9","1") = "9"
    & skf18("1","5","1","10","2","10","1") = "9"
    & skf18("1","5","1","10","3","1","1") = "9"
    & skf18("1","5","1","10","3","2","1") = "9"
    & skf18("1","5","1","10","3","3","1") = "9"
    & skf18("1","5","1","10","3","4","1") = "9"
    & skf18("1","5","1","10","3","5","1") = "9"
    & skf18("1","5","1","10","3","6","1") = "9"
    & skf18("1","5","1","10","3","7","1") = "9"
    & skf18("1","5","1","10","3","8","1") = "9"
    & skf18("1","5","1","10","3","9","1") = "9"
    & skf18("1","5","1","10","3","10","1") = "9"
    & skf18("1","5","1","10","4","1","1") = "9"
    & skf18("1","5","1","10","4","2","1") = "9"
    & skf18("1","5","1","10","4","3","1") = "9"
    & skf18("1","5","1","10","4","4","1") = "9"
    & skf18("1","5","1","10","4","5","1") = "9"
    & skf18("1","5","1","10","4","6","1") = "9"
    & skf18("1","5","1","10","4","7","1") = "9"
    & skf18("1","5","1","10","4","8","1") = "9"
    & skf18("1","5","1","10","4","9","1") = "9"
    & skf18("1","5","1","10","4","10","1") = "9"
    & skf18("1","5","1","10","5","1","1") = "9"
    & skf18("1","5","1","10","5","2","1") = "9"
    & skf18("1","5","1","10","5","3","1") = "9"
    & skf18("1","5","1","10","5","4","1") = "9"
    & skf18("1","5","1","10","5","5","1") = "9"
    & skf18("1","5","1","10","5","6","1") = "9"
    & skf18("1","5","1","10","5","7","1") = "9"
    & skf18("1","5","1","10","5","8","1") = "9"
    & skf18("1","5","1","10","5","9","1") = "9"
    & skf18("1","5","1","10","5","10","1") = "9"
    & skf18("1","5","1","10","6","1","1") = "9"
    & skf18("1","5","1","10","6","2","1") = "9"
    & skf18("1","5","1","10","6","3","1") = "9"
    & skf18("1","5","1","10","6","4","1") = "9"
    & skf18("1","5","1","10","6","5","1") = "9"
    & skf18("1","5","1","10","6","6","1") = "9"
    & skf18("1","5","1","10","6","7","1") = "9"
    & skf18("1","5","1","10","6","8","1") = "9"
    & skf18("1","5","1","10","6","9","1") = "9"
    & skf18("1","5","1","10","6","10","1") = "9"
    & skf18("1","5","1","10","7","1","1") = "9"
    & skf18("1","5","1","10","7","2","1") = "9"
    & skf18("1","5","1","10","7","3","1") = "9"
    & skf18("1","5","1","10","7","4","1") = "9"
    & skf18("1","5","1","10","7","5","1") = "9"
    & skf18("1","5","1","10","7","6","1") = "9"
    & skf18("1","5","1","10","7","7","1") = "9"
    & skf18("1","5","1","10","7","8","1") = "9"
    & skf18("1","5","1","10","7","9","1") = "9"
    & skf18("1","5","1","10","7","10","1") = "9"
    & skf18("1","5","1","10","8","1","1") = "9"
    & skf18("1","5","1","10","8","2","1") = "9"
    & skf18("1","5","1","10","8","3","1") = "9"
    & skf18("1","5","1","10","8","4","1") = "9"
    & skf18("1","5","1","10","8","5","1") = "9"
    & skf18("1","5","1","10","8","6","1") = "9"
    & skf18("1","5","1","10","8","7","1") = "9"
    & skf18("1","5","1","10","8","8","1") = "9"
    & skf18("1","5","1","10","8","9","1") = "9"
    & skf18("1","5","1","10","8","10","1") = "9"
    & skf18("1","5","1","10","9","1","1") = "9"
    & skf18("1","5","1","10","9","2","1") = "9"
    & skf18("1","5","1","10","9","3","1") = "9"
    & skf18("1","5","1","10","9","4","1") = "9"
    & skf18("1","5","1","10","9","5","1") = "9"
    & skf18("1","5","1","10","9","6","1") = "9"
    & skf18("1","5","1","10","9","7","1") = "9"
    & skf18("1","5","1","10","9","8","1") = "9"
    & skf18("1","5","1","10","9","9","1") = "9"
    & skf18("1","5","1","10","9","10","1") = "9"
    & skf18("1","5","1","10","10","1","1") = "9"
    & skf18("1","5","1","10","10","2","1") = "9"
    & skf18("1","5","1","10","10","3","1") = "9"
    & skf18("1","5","1","10","10","4","1") = "9"
    & skf18("1","5","1","10","10","5","1") = "9"
    & skf18("1","5","1","10","10","6","1") = "9"
    & skf18("1","5","1","10","10","7","1") = "9"
    & skf18("1","5","1","10","10","8","1") = "9"
    & skf18("1","5","1","10","10","9","1") = "9"
    & skf18("1","5","1","10","10","10","1") = "9"
    & skf18("1","5","2","1","1","1","1") = "4"
    & skf18("1","5","2","1","1","2","1") = "4"
    & skf18("1","5","2","1","1","3","1") = "4"
    & skf18("1","5","2","1","1","4","1") = "4"
    & skf18("1","5","2","1","1","5","1") = "4"
    & skf18("1","5","2","1","1","6","1") = "5"
    & skf18("1","5","2","1","1","7","1") = "6"
    & skf18("1","5","2","1","1","8","1") = "7"
    & skf18("1","5","2","1","1","9","1") = "8"
    & skf18("1","5","2","1","1","10","1") = "9"
    & skf18("1","5","2","1","2","1","1") = "4"
    & skf18("1","5","2","1","2","2","1") = "4"
    & skf18("1","5","2","1","2","3","1") = "4"
    & skf18("1","5","2","1","2","4","1") = "4"
    & skf18("1","5","2","1","2","5","1") = "4"
    & skf18("1","5","2","1","2","6","1") = "5"
    & skf18("1","5","2","1","2","7","1") = "6"
    & skf18("1","5","2","1","2","8","1") = "7"
    & skf18("1","5","2","1","2","9","1") = "8"
    & skf18("1","5","2","1","2","10","1") = "9"
    & skf18("1","5","2","1","3","1","1") = "4"
    & skf18("1","5","2","1","3","2","1") = "4"
    & skf18("1","5","2","1","3","3","1") = "4"
    & skf18("1","5","2","1","3","4","1") = "4"
    & skf18("1","5","2","1","3","5","1") = "4"
    & skf18("1","5","2","1","3","6","1") = "5"
    & skf18("1","5","2","1","3","7","1") = "6"
    & skf18("1","5","2","1","3","8","1") = "7"
    & skf18("1","5","2","1","3","9","1") = "8"
    & skf18("1","5","2","1","3","10","1") = "9"
    & skf18("1","5","2","1","4","1","1") = "4"
    & skf18("1","5","2","1","4","2","1") = "4"
    & skf18("1","5","2","1","4","3","1") = "4"
    & skf18("1","5","2","1","4","4","1") = "4"
    & skf18("1","5","2","1","4","5","1") = "4"
    & skf18("1","5","2","1","4","6","1") = "5"
    & skf18("1","5","2","1","4","7","1") = "6"
    & skf18("1","5","2","1","4","8","1") = "7"
    & skf18("1","5","2","1","4","9","1") = "8"
    & skf18("1","5","2","1","4","10","1") = "9"
    & skf18("1","5","2","1","5","1","1") = "4"
    & skf18("1","5","2","1","5","2","1") = "4"
    & skf18("1","5","2","1","5","3","1") = "4"
    & skf18("1","5","2","1","5","4","1") = "4"
    & skf18("1","5","2","1","5","5","1") = "4"
    & skf18("1","5","2","1","5","6","1") = "5"
    & skf18("1","5","2","1","5","7","1") = "6"
    & skf18("1","5","2","1","5","8","1") = "7"
    & skf18("1","5","2","1","5","9","1") = "8"
    & skf18("1","5","2","1","5","10","1") = "9"
    & skf18("1","5","2","1","6","1","1") = "5"
    & skf18("1","5","2","1","6","2","1") = "5"
    & skf18("1","5","2","1","6","3","1") = "5"
    & skf18("1","5","2","1","6","4","1") = "5"
    & skf18("1","5","2","1","6","5","1") = "5"
    & skf18("1","5","2","1","6","6","1") = "5"
    & skf18("1","5","2","1","6","7","1") = "6"
    & skf18("1","5","2","1","6","8","1") = "7"
    & skf18("1","5","2","1","6","9","1") = "8"
    & skf18("1","5","2","1","6","10","1") = "9"
    & skf18("1","5","2","1","7","1","1") = "6"
    & skf18("1","5","2","1","7","2","1") = "6"
    & skf18("1","5","2","1","7","3","1") = "6"
    & skf18("1","5","2","1","7","4","1") = "6"
    & skf18("1","5","2","1","7","5","1") = "6"
    & skf18("1","5","2","1","7","6","1") = "6"
    & skf18("1","5","2","1","7","7","1") = "6"
    & skf18("1","5","2","1","7","8","1") = "7"
    & skf18("1","5","2","1","7","9","1") = "8"
    & skf18("1","5","2","1","7","10","1") = "9"
    & skf18("1","5","2","1","8","1","1") = "7"
    & skf18("1","5","2","1","8","2","1") = "7"
    & skf18("1","5","2","1","8","3","1") = "7"
    & skf18("1","5","2","1","8","4","1") = "7"
    & skf18("1","5","2","1","8","5","1") = "7"
    & skf18("1","5","2","1","8","6","1") = "7"
    & skf18("1","5","2","1","8","7","1") = "7"
    & skf18("1","5","2","1","8","8","1") = "7"
    & skf18("1","5","2","1","8","9","1") = "8"
    & skf18("1","5","2","1","8","10","1") = "9"
    & skf18("1","5","2","1","9","1","1") = "8"
    & skf18("1","5","2","1","9","2","1") = "8"
    & skf18("1","5","2","1","9","3","1") = "8"
    & skf18("1","5","2","1","9","4","1") = "8"
    & skf18("1","5","2","1","9","5","1") = "8"
    & skf18("1","5","2","1","9","6","1") = "8"
    & skf18("1","5","2","1","9","7","1") = "8"
    & skf18("1","5","2","1","9","8","1") = "8"
    & skf18("1","5","2","1","9","9","1") = "8"
    & skf18("1","5","2","1","9","10","1") = "9"
    & skf18("1","5","2","1","10","1","1") = "9"
    & skf18("1","5","2","1","10","2","1") = "9"
    & skf18("1","5","2","1","10","3","1") = "9"
    & skf18("1","5","2","1","10","4","1") = "9"
    & skf18("1","5","2","1","10","5","1") = "9"
    & skf18("1","5","2","1","10","6","1") = "9"
    & skf18("1","5","2","1","10","7","1") = "9"
    & skf18("1","5","2","1","10","8","1") = "9"
    & skf18("1","5","2","1","10","9","1") = "9"
    & skf18("1","5","2","1","10","10","1") = "9"
    & skf18("1","5","2","2","1","1","1") = "4"
    & skf18("1","5","2","2","1","2","1") = "4"
    & skf18("1","5","2","2","1","3","1") = "4"
    & skf18("1","5","2","2","1","4","1") = "4"
    & skf18("1","5","2","2","1","5","1") = "4"
    & skf18("1","5","2","2","1","6","1") = "5"
    & skf18("1","5","2","2","1","7","1") = "6"
    & skf18("1","5","2","2","1","8","1") = "7"
    & skf18("1","5","2","2","1","9","1") = "8"
    & skf18("1","5","2","2","1","10","1") = "9"
    & skf18("1","5","2","2","2","1","1") = "4"
    & skf18("1","5","2","2","2","2","1") = "4"
    & skf18("1","5","2","2","2","3","1") = "4"
    & skf18("1","5","2","2","2","4","1") = "4"
    & skf18("1","5","2","2","2","5","1") = "4"
    & skf18("1","5","2","2","2","6","1") = "5"
    & skf18("1","5","2","2","2","7","1") = "6"
    & skf18("1","5","2","2","2","8","1") = "7"
    & skf18("1","5","2","2","2","9","1") = "8"
    & skf18("1","5","2","2","2","10","1") = "9"
    & skf18("1","5","2","2","3","1","1") = "4"
    & skf18("1","5","2","2","3","2","1") = "4"
    & skf18("1","5","2","2","3","3","1") = "4"
    & skf18("1","5","2","2","3","4","1") = "4"
    & skf18("1","5","2","2","3","5","1") = "4"
    & skf18("1","5","2","2","3","6","1") = "5"
    & skf18("1","5","2","2","3","7","1") = "6"
    & skf18("1","5","2","2","3","8","1") = "7"
    & skf18("1","5","2","2","3","9","1") = "8"
    & skf18("1","5","2","2","3","10","1") = "9"
    & skf18("1","5","2","2","4","1","1") = "4"
    & skf18("1","5","2","2","4","2","1") = "4"
    & skf18("1","5","2","2","4","3","1") = "4"
    & skf18("1","5","2","2","4","4","1") = "4"
    & skf18("1","5","2","2","4","5","1") = "4"
    & skf18("1","5","2","2","4","6","1") = "5"
    & skf18("1","5","2","2","4","7","1") = "6"
    & skf18("1","5","2","2","4","8","1") = "7"
    & skf18("1","5","2","2","4","9","1") = "8"
    & skf18("1","5","2","2","4","10","1") = "9"
    & skf18("1","5","2","2","5","1","1") = "4"
    & skf18("1","5","2","2","5","2","1") = "4"
    & skf18("1","5","2","2","5","3","1") = "4"
    & skf18("1","5","2","2","5","4","1") = "4"
    & skf18("1","5","2","2","5","5","1") = "4"
    & skf18("1","5","2","2","5","6","1") = "5"
    & skf18("1","5","2","2","5","7","1") = "6"
    & skf18("1","5","2","2","5","8","1") = "7"
    & skf18("1","5","2","2","5","9","1") = "8"
    & skf18("1","5","2","2","5","10","1") = "9"
    & skf18("1","5","2","2","6","1","1") = "5"
    & skf18("1","5","2","2","6","2","1") = "5"
    & skf18("1","5","2","2","6","3","1") = "5"
    & skf18("1","5","2","2","6","4","1") = "5"
    & skf18("1","5","2","2","6","5","1") = "5"
    & skf18("1","5","2","2","6","6","1") = "5"
    & skf18("1","5","2","2","6","7","1") = "6"
    & skf18("1","5","2","2","6","8","1") = "7"
    & skf18("1","5","2","2","6","9","1") = "8"
    & skf18("1","5","2","2","6","10","1") = "9"
    & skf18("1","5","2","2","7","1","1") = "6"
    & skf18("1","5","2","2","7","2","1") = "6"
    & skf18("1","5","2","2","7","3","1") = "6"
    & skf18("1","5","2","2","7","4","1") = "6"
    & skf18("1","5","2","2","7","5","1") = "6"
    & skf18("1","5","2","2","7","6","1") = "6"
    & skf18("1","5","2","2","7","7","1") = "6"
    & skf18("1","5","2","2","7","8","1") = "7"
    & skf18("1","5","2","2","7","9","1") = "8"
    & skf18("1","5","2","2","7","10","1") = "9"
    & skf18("1","5","2","2","8","1","1") = "7"
    & skf18("1","5","2","2","8","2","1") = "7"
    & skf18("1","5","2","2","8","3","1") = "7"
    & skf18("1","5","2","2","8","4","1") = "7"
    & skf18("1","5","2","2","8","5","1") = "7"
    & skf18("1","5","2","2","8","6","1") = "7"
    & skf18("1","5","2","2","8","7","1") = "7"
    & skf18("1","5","2","2","8","8","1") = "7"
    & skf18("1","5","2","2","8","9","1") = "8"
    & skf18("1","5","2","2","8","10","1") = "9"
    & skf18("1","5","2","2","9","1","1") = "8"
    & skf18("1","5","2","2","9","2","1") = "8"
    & skf18("1","5","2","2","9","3","1") = "8"
    & skf18("1","5","2","2","9","4","1") = "8"
    & skf18("1","5","2","2","9","5","1") = "8"
    & skf18("1","5","2","2","9","6","1") = "8"
    & skf18("1","5","2","2","9","7","1") = "8"
    & skf18("1","5","2","2","9","8","1") = "8"
    & skf18("1","5","2","2","9","9","1") = "8"
    & skf18("1","5","2","2","9","10","1") = "9"
    & skf18("1","5","2","2","10","1","1") = "9"
    & skf18("1","5","2","2","10","2","1") = "9"
    & skf18("1","5","2","2","10","3","1") = "9"
    & skf18("1","5","2","2","10","4","1") = "9"
    & skf18("1","5","2","2","10","5","1") = "9"
    & skf18("1","5","2","2","10","6","1") = "9"
    & skf18("1","5","2","2","10","7","1") = "9"
    & skf18("1","5","2","2","10","8","1") = "9"
    & skf18("1","5","2","2","10","9","1") = "9"
    & skf18("1","5","2","2","10","10","1") = "9"
    & skf18("1","5","2","3","1","1","1") = "4"
    & skf18("1","5","2","3","1","2","1") = "4"
    & skf18("1","5","2","3","1","3","1") = "4"
    & skf18("1","5","2","3","1","4","1") = "4"
    & skf18("1","5","2","3","1","5","1") = "4"
    & skf18("1","5","2","3","1","6","1") = "5"
    & skf18("1","5","2","3","1","7","1") = "6"
    & skf18("1","5","2","3","1","8","1") = "7"
    & skf18("1","5","2","3","1","9","1") = "8"
    & skf18("1","5","2","3","1","10","1") = "9"
    & skf18("1","5","2","3","2","1","1") = "4"
    & skf18("1","5","2","3","2","2","1") = "4"
    & skf18("1","5","2","3","2","3","1") = "4"
    & skf18("1","5","2","3","2","4","1") = "4"
    & skf18("1","5","2","3","2","5","1") = "4"
    & skf18("1","5","2","3","2","6","1") = "5"
    & skf18("1","5","2","3","2","7","1") = "6"
    & skf18("1","5","2","3","2","8","1") = "7"
    & skf18("1","5","2","3","2","9","1") = "8"
    & skf18("1","5","2","3","2","10","1") = "9"
    & skf18("1","5","2","3","3","1","1") = "4"
    & skf18("1","5","2","3","3","2","1") = "4"
    & skf18("1","5","2","3","3","3","1") = "4"
    & skf18("1","5","2","3","3","4","1") = "4"
    & skf18("1","5","2","3","3","5","1") = "4"
    & skf18("1","5","2","3","3","6","1") = "5"
    & skf18("1","5","2","3","3","7","1") = "6"
    & skf18("1","5","2","3","3","8","1") = "7"
    & skf18("1","5","2","3","3","9","1") = "8"
    & skf18("1","5","2","3","3","10","1") = "9"
    & skf18("1","5","2","3","4","1","1") = "4"
    & skf18("1","5","2","3","4","2","1") = "4"
    & skf18("1","5","2","3","4","3","1") = "4"
    & skf18("1","5","2","3","4","4","1") = "4"
    & skf18("1","5","2","3","4","5","1") = "4"
    & skf18("1","5","2","3","4","6","1") = "5"
    & skf18("1","5","2","3","4","7","1") = "6"
    & skf18("1","5","2","3","4","8","1") = "7"
    & skf18("1","5","2","3","4","9","1") = "8"
    & skf18("1","5","2","3","4","10","1") = "9"
    & skf18("1","5","2","3","5","1","1") = "4"
    & skf18("1","5","2","3","5","2","1") = "4"
    & skf18("1","5","2","3","5","3","1") = "4"
    & skf18("1","5","2","3","5","4","1") = "4"
    & skf18("1","5","2","3","5","5","1") = "4"
    & skf18("1","5","2","3","5","6","1") = "5"
    & skf18("1","5","2","3","5","7","1") = "6"
    & skf18("1","5","2","3","5","8","1") = "7"
    & skf18("1","5","2","3","5","9","1") = "8"
    & skf18("1","5","2","3","5","10","1") = "9"
    & skf18("1","5","2","3","6","1","1") = "5"
    & skf18("1","5","2","3","6","2","1") = "5"
    & skf18("1","5","2","3","6","3","1") = "5"
    & skf18("1","5","2","3","6","4","1") = "5"
    & skf18("1","5","2","3","6","5","1") = "5"
    & skf18("1","5","2","3","6","6","1") = "5"
    & skf18("1","5","2","3","6","7","1") = "6"
    & skf18("1","5","2","3","6","8","1") = "7"
    & skf18("1","5","2","3","6","9","1") = "8"
    & skf18("1","5","2","3","6","10","1") = "9"
    & skf18("1","5","2","3","7","1","1") = "6"
    & skf18("1","5","2","3","7","2","1") = "6"
    & skf18("1","5","2","3","7","3","1") = "6"
    & skf18("1","5","2","3","7","4","1") = "6"
    & skf18("1","5","2","3","7","5","1") = "6"
    & skf18("1","5","2","3","7","6","1") = "6"
    & skf18("1","5","2","3","7","7","1") = "6"
    & skf18("1","5","2","3","7","8","1") = "7"
    & skf18("1","5","2","3","7","9","1") = "8"
    & skf18("1","5","2","3","7","10","1") = "9"
    & skf18("1","5","2","3","8","1","1") = "7"
    & skf18("1","5","2","3","8","2","1") = "7"
    & skf18("1","5","2","3","8","3","1") = "7"
    & skf18("1","5","2","3","8","4","1") = "7"
    & skf18("1","5","2","3","8","5","1") = "7"
    & skf18("1","5","2","3","8","6","1") = "7"
    & skf18("1","5","2","3","8","7","1") = "7"
    & skf18("1","5","2","3","8","8","1") = "7"
    & skf18("1","5","2","3","8","9","1") = "8"
    & skf18("1","5","2","3","8","10","1") = "9"
    & skf18("1","5","2","3","9","1","1") = "8"
    & skf18("1","5","2","3","9","2","1") = "8"
    & skf18("1","5","2","3","9","3","1") = "8"
    & skf18("1","5","2","3","9","4","1") = "8"
    & skf18("1","5","2","3","9","5","1") = "8"
    & skf18("1","5","2","3","9","6","1") = "8"
    & skf18("1","5","2","3","9","7","1") = "8"
    & skf18("1","5","2","3","9","8","1") = "8"
    & skf18("1","5","2","3","9","9","1") = "8"
    & skf18("1","5","2","3","9","10","1") = "9"
    & skf18("1","5","2","3","10","1","1") = "9"
    & skf18("1","5","2","3","10","2","1") = "9"
    & skf18("1","5","2","3","10","3","1") = "9"
    & skf18("1","5","2","3","10","4","1") = "9"
    & skf18("1","5","2","3","10","5","1") = "9"
    & skf18("1","5","2","3","10","6","1") = "9"
    & skf18("1","5","2","3","10","7","1") = "9"
    & skf18("1","5","2","3","10","8","1") = "9"
    & skf18("1","5","2","3","10","9","1") = "9"
    & skf18("1","5","2","3","10","10","1") = "9"
    & skf18("1","5","2","4","1","1","1") = "4"
    & skf18("1","5","2","4","1","2","1") = "4"
    & skf18("1","5","2","4","1","3","1") = "4"
    & skf18("1","5","2","4","1","4","1") = "4"
    & skf18("1","5","2","4","1","5","1") = "4"
    & skf18("1","5","2","4","1","6","1") = "5"
    & skf18("1","5","2","4","1","7","1") = "6"
    & skf18("1","5","2","4","1","8","1") = "7"
    & skf18("1","5","2","4","1","9","1") = "8"
    & skf18("1","5","2","4","1","10","1") = "9"
    & skf18("1","5","2","4","2","1","1") = "4"
    & skf18("1","5","2","4","2","2","1") = "4"
    & skf18("1","5","2","4","2","3","1") = "4"
    & skf18("1","5","2","4","2","4","1") = "4"
    & skf18("1","5","2","4","2","5","1") = "4"
    & skf18("1","5","2","4","2","6","1") = "5"
    & skf18("1","5","2","4","2","7","1") = "6"
    & skf18("1","5","2","4","2","8","1") = "7"
    & skf18("1","5","2","4","2","9","1") = "8"
    & skf18("1","5","2","4","2","10","1") = "9"
    & skf18("1","5","2","4","3","1","1") = "4"
    & skf18("1","5","2","4","3","2","1") = "4"
    & skf18("1","5","2","4","3","3","1") = "4"
    & skf18("1","5","2","4","3","4","1") = "4"
    & skf18("1","5","2","4","3","5","1") = "4"
    & skf18("1","5","2","4","3","6","1") = "5"
    & skf18("1","5","2","4","3","7","1") = "6"
    & skf18("1","5","2","4","3","8","1") = "7"
    & skf18("1","5","2","4","3","9","1") = "8"
    & skf18("1","5","2","4","3","10","1") = "9"
    & skf18("1","5","2","4","4","1","1") = "4"
    & skf18("1","5","2","4","4","2","1") = "4"
    & skf18("1","5","2","4","4","3","1") = "4"
    & skf18("1","5","2","4","4","4","1") = "4"
    & skf18("1","5","2","4","4","5","1") = "4"
    & skf18("1","5","2","4","4","6","1") = "5"
    & skf18("1","5","2","4","4","7","1") = "6"
    & skf18("1","5","2","4","4","8","1") = "7"
    & skf18("1","5","2","4","4","9","1") = "8"
    & skf18("1","5","2","4","4","10","1") = "9"
    & skf18("1","5","2","4","5","1","1") = "4"
    & skf18("1","5","2","4","5","2","1") = "4"
    & skf18("1","5","2","4","5","3","1") = "4"
    & skf18("1","5","2","4","5","4","1") = "4"
    & skf18("1","5","2","4","5","5","1") = "4"
    & skf18("1","5","2","4","5","6","1") = "5"
    & skf18("1","5","2","4","5","7","1") = "6"
    & skf18("1","5","2","4","5","8","1") = "7"
    & skf18("1","5","2","4","5","9","1") = "8"
    & skf18("1","5","2","4","5","10","1") = "9"
    & skf18("1","5","2","4","6","1","1") = "5"
    & skf18("1","5","2","4","6","2","1") = "5"
    & skf18("1","5","2","4","6","3","1") = "5"
    & skf18("1","5","2","4","6","4","1") = "5"
    & skf18("1","5","2","4","6","5","1") = "5"
    & skf18("1","5","2","4","6","6","1") = "5"
    & skf18("1","5","2","4","6","7","1") = "6"
    & skf18("1","5","2","4","6","8","1") = "7"
    & skf18("1","5","2","4","6","9","1") = "8"
    & skf18("1","5","2","4","6","10","1") = "9"
    & skf18("1","5","2","4","7","1","1") = "6"
    & skf18("1","5","2","4","7","2","1") = "6"
    & skf18("1","5","2","4","7","3","1") = "6"
    & skf18("1","5","2","4","7","4","1") = "6"
    & skf18("1","5","2","4","7","5","1") = "6"
    & skf18("1","5","2","4","7","6","1") = "6"
    & skf18("1","5","2","4","7","7","1") = "6"
    & skf18("1","5","2","4","7","8","1") = "7"
    & skf18("1","5","2","4","7","9","1") = "8"
    & skf18("1","5","2","4","7","10","1") = "9"
    & skf18("1","5","2","4","8","1","1") = "7"
    & skf18("1","5","2","4","8","2","1") = "7"
    & skf18("1","5","2","4","8","3","1") = "7"
    & skf18("1","5","2","4","8","4","1") = "7"
    & skf18("1","5","2","4","8","5","1") = "7"
    & skf18("1","5","2","4","8","6","1") = "7"
    & skf18("1","5","2","4","8","7","1") = "7"
    & skf18("1","5","2","4","8","8","1") = "7"
    & skf18("1","5","2","4","8","9","1") = "8"
    & skf18("1","5","2","4","8","10","1") = "9"
    & skf18("1","5","2","4","9","1","1") = "8"
    & skf18("1","5","2","4","9","2","1") = "8"
    & skf18("1","5","2","4","9","3","1") = "8"
    & skf18("1","5","2","4","9","4","1") = "8"
    & skf18("1","5","2","4","9","5","1") = "8"
    & skf18("1","5","2","4","9","6","1") = "8"
    & skf18("1","5","2","4","9","7","1") = "8"
    & skf18("1","5","2","4","9","8","1") = "8"
    & skf18("1","5","2","4","9","9","1") = "8"
    & skf18("1","5","2","4","9","10","1") = "9"
    & skf18("1","5","2","4","10","1","1") = "9"
    & skf18("1","5","2","4","10","2","1") = "9"
    & skf18("1","5","2","4","10","3","1") = "9"
    & skf18("1","5","2","4","10","4","1") = "9"
    & skf18("1","5","2","4","10","5","1") = "9"
    & skf18("1","5","2","4","10","6","1") = "9"
    & skf18("1","5","2","4","10","7","1") = "9"
    & skf18("1","5","2","4","10","8","1") = "9"
    & skf18("1","5","2","4","10","9","1") = "9"
    & skf18("1","5","2","4","10","10","1") = "9"
    & skf18("1","5","2","5","1","1","1") = "4"
    & skf18("1","5","2","5","1","2","1") = "4"
    & skf18("1","5","2","5","1","3","1") = "4"
    & skf18("1","5","2","5","1","4","1") = "4"
    & skf18("1","5","2","5","1","5","1") = "4"
    & skf18("1","5","2","5","1","6","1") = "5"
    & skf18("1","5","2","5","1","7","1") = "6"
    & skf18("1","5","2","5","1","8","1") = "7"
    & skf18("1","5","2","5","1","9","1") = "8"
    & skf18("1","5","2","5","1","10","1") = "9"
    & skf18("1","5","2","5","2","1","1") = "4"
    & skf18("1","5","2","5","2","2","1") = "4"
    & skf18("1","5","2","5","2","3","1") = "4"
    & skf18("1","5","2","5","2","4","1") = "4"
    & skf18("1","5","2","5","2","5","1") = "4"
    & skf18("1","5","2","5","2","6","1") = "5"
    & skf18("1","5","2","5","2","7","1") = "6"
    & skf18("1","5","2","5","2","8","1") = "7"
    & skf18("1","5","2","5","2","9","1") = "8"
    & skf18("1","5","2","5","2","10","1") = "9"
    & skf18("1","5","2","5","3","1","1") = "4"
    & skf18("1","5","2","5","3","2","1") = "4"
    & skf18("1","5","2","5","3","3","1") = "4"
    & skf18("1","5","2","5","3","4","1") = "4"
    & skf18("1","5","2","5","3","5","1") = "4"
    & skf18("1","5","2","5","3","6","1") = "5"
    & skf18("1","5","2","5","3","7","1") = "6"
    & skf18("1","5","2","5","3","8","1") = "7"
    & skf18("1","5","2","5","3","9","1") = "8"
    & skf18("1","5","2","5","3","10","1") = "9"
    & skf18("1","5","2","5","4","1","1") = "4"
    & skf18("1","5","2","5","4","2","1") = "4"
    & skf18("1","5","2","5","4","3","1") = "4"
    & skf18("1","5","2","5","4","4","1") = "4"
    & skf18("1","5","2","5","4","5","1") = "4"
    & skf18("1","5","2","5","4","6","1") = "5"
    & skf18("1","5","2","5","4","7","1") = "6"
    & skf18("1","5","2","5","4","8","1") = "7"
    & skf18("1","5","2","5","4","9","1") = "8"
    & skf18("1","5","2","5","4","10","1") = "9"
    & skf18("1","5","2","5","5","1","1") = "4"
    & skf18("1","5","2","5","5","2","1") = "4"
    & skf18("1","5","2","5","5","3","1") = "4"
    & skf18("1","5","2","5","5","4","1") = "4"
    & skf18("1","5","2","5","5","5","1") = "4"
    & skf18("1","5","2","5","5","6","1") = "5"
    & skf18("1","5","2","5","5","7","1") = "6"
    & skf18("1","5","2","5","5","8","1") = "7"
    & skf18("1","5","2","5","5","9","1") = "8"
    & skf18("1","5","2","5","5","10","1") = "9"
    & skf18("1","5","2","5","6","1","1") = "5"
    & skf18("1","5","2","5","6","2","1") = "5"
    & skf18("1","5","2","5","6","3","1") = "5"
    & skf18("1","5","2","5","6","4","1") = "5"
    & skf18("1","5","2","5","6","5","1") = "5"
    & skf18("1","5","2","5","6","6","1") = "5"
    & skf18("1","5","2","5","6","7","1") = "6"
    & skf18("1","5","2","5","6","8","1") = "7"
    & skf18("1","5","2","5","6","9","1") = "8"
    & skf18("1","5","2","5","6","10","1") = "9"
    & skf18("1","5","2","5","7","1","1") = "6"
    & skf18("1","5","2","5","7","2","1") = "6"
    & skf18("1","5","2","5","7","3","1") = "6"
    & skf18("1","5","2","5","7","4","1") = "6"
    & skf18("1","5","2","5","7","5","1") = "6"
    & skf18("1","5","2","5","7","6","1") = "6"
    & skf18("1","5","2","5","7","7","1") = "6"
    & skf18("1","5","2","5","7","8","1") = "7"
    & skf18("1","5","2","5","7","9","1") = "8"
    & skf18("1","5","2","5","7","10","1") = "9"
    & skf18("1","5","2","5","8","1","1") = "7"
    & skf18("1","5","2","5","8","2","1") = "7"
    & skf18("1","5","2","5","8","3","1") = "7"
    & skf18("1","5","2","5","8","4","1") = "7"
    & skf18("1","5","2","5","8","5","1") = "7"
    & skf18("1","5","2","5","8","6","1") = "7"
    & skf18("1","5","2","5","8","7","1") = "7"
    & skf18("1","5","2","5","8","8","1") = "7"
    & skf18("1","5","2","5","8","9","1") = "8"
    & skf18("1","5","2","5","8","10","1") = "9"
    & skf18("1","5","2","5","9","1","1") = "8"
    & skf18("1","5","2","5","9","2","1") = "8"
    & skf18("1","5","2","5","9","3","1") = "8"
    & skf18("1","5","2","5","9","4","1") = "8"
    & skf18("1","5","2","5","9","5","1") = "8"
    & skf18("1","5","2","5","9","6","1") = "8"
    & skf18("1","5","2","5","9","7","1") = "8"
    & skf18("1","5","2","5","9","8","1") = "8"
    & skf18("1","5","2","5","9","9","1") = "8"
    & skf18("1","5","2","5","9","10","1") = "9"
    & skf18("1","5","2","5","10","1","1") = "9"
    & skf18("1","5","2","5","10","2","1") = "9"
    & skf18("1","5","2","5","10","3","1") = "9"
    & skf18("1","5","2","5","10","4","1") = "9"
    & skf18("1","5","2","5","10","5","1") = "9"
    & skf18("1","5","2","5","10","6","1") = "9"
    & skf18("1","5","2","5","10","7","1") = "9"
    & skf18("1","5","2","5","10","8","1") = "9"
    & skf18("1","5","2","5","10","9","1") = "9"
    & skf18("1","5","2","5","10","10","1") = "9"
    & skf18("1","5","2","6","1","1","1") = "5"
    & skf18("1","5","2","6","1","2","1") = "5"
    & skf18("1","5","2","6","1","3","1") = "5"
    & skf18("1","5","2","6","1","4","1") = "5"
    & skf18("1","5","2","6","1","5","1") = "5"
    & skf18("1","5","2","6","1","6","1") = "5"
    & skf18("1","5","2","6","1","7","1") = "6"
    & skf18("1","5","2","6","1","8","1") = "7"
    & skf18("1","5","2","6","1","9","1") = "8"
    & skf18("1","5","2","6","1","10","1") = "9"
    & skf18("1","5","2","6","2","1","1") = "5"
    & skf18("1","5","2","6","2","2","1") = "5"
    & skf18("1","5","2","6","2","3","1") = "5"
    & skf18("1","5","2","6","2","4","1") = "5"
    & skf18("1","5","2","6","2","5","1") = "5"
    & skf18("1","5","2","6","2","6","1") = "5"
    & skf18("1","5","2","6","2","7","1") = "6"
    & skf18("1","5","2","6","2","8","1") = "7"
    & skf18("1","5","2","6","2","9","1") = "8"
    & skf18("1","5","2","6","2","10","1") = "9"
    & skf18("1","5","2","6","3","1","1") = "5"
    & skf18("1","5","2","6","3","2","1") = "5"
    & skf18("1","5","2","6","3","3","1") = "5"
    & skf18("1","5","2","6","3","4","1") = "5"
    & skf18("1","5","2","6","3","5","1") = "5"
    & skf18("1","5","2","6","3","6","1") = "5"
    & skf18("1","5","2","6","3","7","1") = "6"
    & skf18("1","5","2","6","3","8","1") = "7"
    & skf18("1","5","2","6","3","9","1") = "8"
    & skf18("1","5","2","6","3","10","1") = "9"
    & skf18("1","5","2","6","4","1","1") = "5"
    & skf18("1","5","2","6","4","2","1") = "5"
    & skf18("1","5","2","6","4","3","1") = "5"
    & skf18("1","5","2","6","4","4","1") = "5"
    & skf18("1","5","2","6","4","5","1") = "5"
    & skf18("1","5","2","6","4","6","1") = "5"
    & skf18("1","5","2","6","4","7","1") = "6"
    & skf18("1","5","2","6","4","8","1") = "7"
    & skf18("1","5","2","6","4","9","1") = "8"
    & skf18("1","5","2","6","4","10","1") = "9"
    & skf18("1","5","2","6","5","1","1") = "5"
    & skf18("1","5","2","6","5","2","1") = "5"
    & skf18("1","5","2","6","5","3","1") = "5"
    & skf18("1","5","2","6","5","4","1") = "5"
    & skf18("1","5","2","6","5","5","1") = "5"
    & skf18("1","5","2","6","5","6","1") = "5"
    & skf18("1","5","2","6","5","7","1") = "6"
    & skf18("1","5","2","6","5","8","1") = "7"
    & skf18("1","5","2","6","5","9","1") = "8"
    & skf18("1","5","2","6","5","10","1") = "9"
    & skf18("1","5","2","6","6","1","1") = "5"
    & skf18("1","5","2","6","6","2","1") = "5"
    & skf18("1","5","2","6","6","3","1") = "5"
    & skf18("1","5","2","6","6","4","1") = "5"
    & skf18("1","5","2","6","6","5","1") = "5"
    & skf18("1","5","2","6","6","6","1") = "5"
    & skf18("1","5","2","6","6","7","1") = "6"
    & skf18("1","5","2","6","6","8","1") = "7"
    & skf18("1","5","2","6","6","9","1") = "8"
    & skf18("1","5","2","6","6","10","1") = "9"
    & skf18("1","5","2","6","7","1","1") = "6"
    & skf18("1","5","2","6","7","2","1") = "6"
    & skf18("1","5","2","6","7","3","1") = "6"
    & skf18("1","5","2","6","7","4","1") = "6"
    & skf18("1","5","2","6","7","5","1") = "6"
    & skf18("1","5","2","6","7","6","1") = "6"
    & skf18("1","5","2","6","7","7","1") = "6"
    & skf18("1","5","2","6","7","8","1") = "7"
    & skf18("1","5","2","6","7","9","1") = "8"
    & skf18("1","5","2","6","7","10","1") = "9"
    & skf18("1","5","2","6","8","1","1") = "7"
    & skf18("1","5","2","6","8","2","1") = "7"
    & skf18("1","5","2","6","8","3","1") = "7"
    & skf18("1","5","2","6","8","4","1") = "7"
    & skf18("1","5","2","6","8","5","1") = "7"
    & skf18("1","5","2","6","8","6","1") = "7"
    & skf18("1","5","2","6","8","7","1") = "7"
    & skf18("1","5","2","6","8","8","1") = "7"
    & skf18("1","5","2","6","8","9","1") = "8"
    & skf18("1","5","2","6","8","10","1") = "9"
    & skf18("1","5","2","6","9","1","1") = "8"
    & skf18("1","5","2","6","9","2","1") = "8"
    & skf18("1","5","2","6","9","3","1") = "8"
    & skf18("1","5","2","6","9","4","1") = "8"
    & skf18("1","5","2","6","9","5","1") = "8"
    & skf18("1","5","2","6","9","6","1") = "8"
    & skf18("1","5","2","6","9","7","1") = "8"
    & skf18("1","5","2","6","9","8","1") = "8"
    & skf18("1","5","2","6","9","9","1") = "8"
    & skf18("1","5","2","6","9","10","1") = "9"
    & skf18("1","5","2","6","10","1","1") = "9"
    & skf18("1","5","2","6","10","2","1") = "9"
    & skf18("1","5","2","6","10","3","1") = "9"
    & skf18("1","5","2","6","10","4","1") = "9"
    & skf18("1","5","2","6","10","5","1") = "9"
    & skf18("1","5","2","6","10","6","1") = "9"
    & skf18("1","5","2","6","10","7","1") = "9"
    & skf18("1","5","2","6","10","8","1") = "9"
    & skf18("1","5","2","6","10","9","1") = "9"
    & skf18("1","5","2","6","10","10","1") = "9"
    & skf18("1","5","2","7","1","1","1") = "6"
    & skf18("1","5","2","7","1","2","1") = "6"
    & skf18("1","5","2","7","1","3","1") = "6"
    & skf18("1","5","2","7","1","4","1") = "6"
    & skf18("1","5","2","7","1","5","1") = "6"
    & skf18("1","5","2","7","1","6","1") = "6"
    & skf18("1","5","2","7","1","7","1") = "6"
    & skf18("1","5","2","7","1","8","1") = "7"
    & skf18("1","5","2","7","1","9","1") = "8"
    & skf18("1","5","2","7","1","10","1") = "9"
    & skf18("1","5","2","7","2","1","1") = "6"
    & skf18("1","5","2","7","2","2","1") = "6"
    & skf18("1","5","2","7","2","3","1") = "6"
    & skf18("1","5","2","7","2","4","1") = "6"
    & skf18("1","5","2","7","2","5","1") = "6"
    & skf18("1","5","2","7","2","6","1") = "6"
    & skf18("1","5","2","7","2","7","1") = "6"
    & skf18("1","5","2","7","2","8","1") = "7"
    & skf18("1","5","2","7","2","9","1") = "8"
    & skf18("1","5","2","7","2","10","1") = "9"
    & skf18("1","5","2","7","3","1","1") = "6"
    & skf18("1","5","2","7","3","2","1") = "6"
    & skf18("1","5","2","7","3","3","1") = "6"
    & skf18("1","5","2","7","3","4","1") = "6"
    & skf18("1","5","2","7","3","5","1") = "6"
    & skf18("1","5","2","7","3","6","1") = "6"
    & skf18("1","5","2","7","3","7","1") = "6"
    & skf18("1","5","2","7","3","8","1") = "7"
    & skf18("1","5","2","7","3","9","1") = "8"
    & skf18("1","5","2","7","3","10","1") = "9"
    & skf18("1","5","2","7","4","1","1") = "6"
    & skf18("1","5","2","7","4","2","1") = "6"
    & skf18("1","5","2","7","4","3","1") = "6"
    & skf18("1","5","2","7","4","4","1") = "6"
    & skf18("1","5","2","7","4","5","1") = "6"
    & skf18("1","5","2","7","4","6","1") = "6"
    & skf18("1","5","2","7","4","7","1") = "6"
    & skf18("1","5","2","7","4","8","1") = "7"
    & skf18("1","5","2","7","4","9","1") = "8"
    & skf18("1","5","2","7","4","10","1") = "9"
    & skf18("1","5","2","7","5","1","1") = "6"
    & skf18("1","5","2","7","5","2","1") = "6"
    & skf18("1","5","2","7","5","3","1") = "6"
    & skf18("1","5","2","7","5","4","1") = "6"
    & skf18("1","5","2","7","5","5","1") = "6"
    & skf18("1","5","2","7","5","6","1") = "6"
    & skf18("1","5","2","7","5","7","1") = "6"
    & skf18("1","5","2","7","5","8","1") = "7"
    & skf18("1","5","2","7","5","9","1") = "8"
    & skf18("1","5","2","7","5","10","1") = "9"
    & skf18("1","5","2","7","6","1","1") = "6"
    & skf18("1","5","2","7","6","2","1") = "6"
    & skf18("1","5","2","7","6","3","1") = "6"
    & skf18("1","5","2","7","6","4","1") = "6"
    & skf18("1","5","2","7","6","5","1") = "6"
    & skf18("1","5","2","7","6","6","1") = "6"
    & skf18("1","5","2","7","6","7","1") = "6"
    & skf18("1","5","2","7","6","8","1") = "7"
    & skf18("1","5","2","7","6","9","1") = "8"
    & skf18("1","5","2","7","6","10","1") = "9"
    & skf18("1","5","2","7","7","1","1") = "6"
    & skf18("1","5","2","7","7","2","1") = "6"
    & skf18("1","5","2","7","7","3","1") = "6"
    & skf18("1","5","2","7","7","4","1") = "6"
    & skf18("1","5","2","7","7","5","1") = "6"
    & skf18("1","5","2","7","7","6","1") = "6"
    & skf18("1","5","2","7","7","7","1") = "6"
    & skf18("1","5","2","7","7","8","1") = "7"
    & skf18("1","5","2","7","7","9","1") = "8"
    & skf18("1","5","2","7","7","10","1") = "9"
    & skf18("1","5","2","7","8","1","1") = "7"
    & skf18("1","5","2","7","8","2","1") = "7"
    & skf18("1","5","2","7","8","3","1") = "7"
    & skf18("1","5","2","7","8","4","1") = "7"
    & skf18("1","5","2","7","8","5","1") = "7"
    & skf18("1","5","2","7","8","6","1") = "7"
    & skf18("1","5","2","7","8","7","1") = "7"
    & skf18("1","5","2","7","8","8","1") = "7"
    & skf18("1","5","2","7","8","9","1") = "8"
    & skf18("1","5","2","7","8","10","1") = "9"
    & skf18("1","5","2","7","9","1","1") = "8"
    & skf18("1","5","2","7","9","2","1") = "8"
    & skf18("1","5","2","7","9","3","1") = "8"
    & skf18("1","5","2","7","9","4","1") = "8"
    & skf18("1","5","2","7","9","5","1") = "8"
    & skf18("1","5","2","7","9","6","1") = "8"
    & skf18("1","5","2","7","9","7","1") = "8"
    & skf18("1","5","2","7","9","8","1") = "8"
    & skf18("1","5","2","7","9","9","1") = "8"
    & skf18("1","5","2","7","9","10","1") = "9"
    & skf18("1","5","2","7","10","1","1") = "9"
    & skf18("1","5","2","7","10","2","1") = "9"
    & skf18("1","5","2","7","10","3","1") = "9"
    & skf18("1","5","2","7","10","4","1") = "9"
    & skf18("1","5","2","7","10","5","1") = "9"
    & skf18("1","5","2","7","10","6","1") = "9"
    & skf18("1","5","2","7","10","7","1") = "9"
    & skf18("1","5","2","7","10","8","1") = "9"
    & skf18("1","5","2","7","10","9","1") = "9"
    & skf18("1","5","2","7","10","10","1") = "9"
    & skf18("1","5","2","8","1","1","1") = "7"
    & skf18("1","5","2","8","1","2","1") = "7"
    & skf18("1","5","2","8","1","3","1") = "7"
    & skf18("1","5","2","8","1","4","1") = "7"
    & skf18("1","5","2","8","1","5","1") = "7"
    & skf18("1","5","2","8","1","6","1") = "7"
    & skf18("1","5","2","8","1","7","1") = "7"
    & skf18("1","5","2","8","1","8","1") = "7"
    & skf18("1","5","2","8","1","9","1") = "8"
    & skf18("1","5","2","8","1","10","1") = "9"
    & skf18("1","5","2","8","2","1","1") = "7"
    & skf18("1","5","2","8","2","2","1") = "7"
    & skf18("1","5","2","8","2","3","1") = "7"
    & skf18("1","5","2","8","2","4","1") = "7"
    & skf18("1","5","2","8","2","5","1") = "7"
    & skf18("1","5","2","8","2","6","1") = "7"
    & skf18("1","5","2","8","2","7","1") = "7"
    & skf18("1","5","2","8","2","8","1") = "7"
    & skf18("1","5","2","8","2","9","1") = "8"
    & skf18("1","5","2","8","2","10","1") = "9"
    & skf18("1","5","2","8","3","1","1") = "7"
    & skf18("1","5","2","8","3","2","1") = "7"
    & skf18("1","5","2","8","3","3","1") = "7"
    & skf18("1","5","2","8","3","4","1") = "7"
    & skf18("1","5","2","8","3","5","1") = "7"
    & skf18("1","5","2","8","3","6","1") = "7"
    & skf18("1","5","2","8","3","7","1") = "7"
    & skf18("1","5","2","8","3","8","1") = "7"
    & skf18("1","5","2","8","3","9","1") = "8"
    & skf18("1","5","2","8","3","10","1") = "9"
    & skf18("1","5","2","8","4","1","1") = "7"
    & skf18("1","5","2","8","4","2","1") = "7"
    & skf18("1","5","2","8","4","3","1") = "7"
    & skf18("1","5","2","8","4","4","1") = "7"
    & skf18("1","5","2","8","4","5","1") = "7"
    & skf18("1","5","2","8","4","6","1") = "7"
    & skf18("1","5","2","8","4","7","1") = "7"
    & skf18("1","5","2","8","4","8","1") = "7"
    & skf18("1","5","2","8","4","9","1") = "8"
    & skf18("1","5","2","8","4","10","1") = "9"
    & skf18("1","5","2","8","5","1","1") = "7"
    & skf18("1","5","2","8","5","2","1") = "7"
    & skf18("1","5","2","8","5","3","1") = "7"
    & skf18("1","5","2","8","5","4","1") = "7"
    & skf18("1","5","2","8","5","5","1") = "7"
    & skf18("1","5","2","8","5","6","1") = "7"
    & skf18("1","5","2","8","5","7","1") = "7"
    & skf18("1","5","2","8","5","8","1") = "7"
    & skf18("1","5","2","8","5","9","1") = "8"
    & skf18("1","5","2","8","5","10","1") = "9"
    & skf18("1","5","2","8","6","1","1") = "7"
    & skf18("1","5","2","8","6","2","1") = "7"
    & skf18("1","5","2","8","6","3","1") = "7"
    & skf18("1","5","2","8","6","4","1") = "7"
    & skf18("1","5","2","8","6","5","1") = "7"
    & skf18("1","5","2","8","6","6","1") = "7"
    & skf18("1","5","2","8","6","7","1") = "7"
    & skf18("1","5","2","8","6","8","1") = "7"
    & skf18("1","5","2","8","6","9","1") = "8"
    & skf18("1","5","2","8","6","10","1") = "9"
    & skf18("1","5","2","8","7","1","1") = "7"
    & skf18("1","5","2","8","7","2","1") = "7"
    & skf18("1","5","2","8","7","3","1") = "7"
    & skf18("1","5","2","8","7","4","1") = "7"
    & skf18("1","5","2","8","7","5","1") = "7"
    & skf18("1","5","2","8","7","6","1") = "7"
    & skf18("1","5","2","8","7","7","1") = "7"
    & skf18("1","5","2","8","7","8","1") = "7"
    & skf18("1","5","2","8","7","9","1") = "8"
    & skf18("1","5","2","8","7","10","1") = "9"
    & skf18("1","5","2","8","8","1","1") = "7"
    & skf18("1","5","2","8","8","2","1") = "7"
    & skf18("1","5","2","8","8","3","1") = "7"
    & skf18("1","5","2","8","8","4","1") = "7"
    & skf18("1","5","2","8","8","5","1") = "7"
    & skf18("1","5","2","8","8","6","1") = "7"
    & skf18("1","5","2","8","8","7","1") = "7"
    & skf18("1","5","2","8","8","8","1") = "7"
    & skf18("1","5","2","8","8","9","1") = "8"
    & skf18("1","5","2","8","8","10","1") = "9"
    & skf18("1","5","2","8","9","1","1") = "8"
    & skf18("1","5","2","8","9","2","1") = "8"
    & skf18("1","5","2","8","9","3","1") = "8"
    & skf18("1","5","2","8","9","4","1") = "8"
    & skf18("1","5","2","8","9","5","1") = "8"
    & skf18("1","5","2","8","9","6","1") = "8"
    & skf18("1","5","2","8","9","7","1") = "8"
    & skf18("1","5","2","8","9","8","1") = "8"
    & skf18("1","5","2","8","9","9","1") = "8"
    & skf18("1","5","2","8","9","10","1") = "9"
    & skf18("1","5","2","8","10","1","1") = "9"
    & skf18("1","5","2","8","10","2","1") = "9"
    & skf18("1","5","2","8","10","3","1") = "9"
    & skf18("1","5","2","8","10","4","1") = "9"
    & skf18("1","5","2","8","10","5","1") = "9"
    & skf18("1","5","2","8","10","6","1") = "9"
    & skf18("1","5","2","8","10","7","1") = "9"
    & skf18("1","5","2","8","10","8","1") = "9"
    & skf18("1","5","2","8","10","9","1") = "9"
    & skf18("1","5","2","8","10","10","1") = "9"
    & skf18("1","5","2","9","1","1","1") = "8"
    & skf18("1","5","2","9","1","2","1") = "8"
    & skf18("1","5","2","9","1","3","1") = "8"
    & skf18("1","5","2","9","1","4","1") = "8"
    & skf18("1","5","2","9","1","5","1") = "8"
    & skf18("1","5","2","9","1","6","1") = "8"
    & skf18("1","5","2","9","1","7","1") = "8"
    & skf18("1","5","2","9","1","8","1") = "8"
    & skf18("1","5","2","9","1","9","1") = "8"
    & skf18("1","5","2","9","1","10","1") = "9"
    & skf18("1","5","2","9","2","1","1") = "8"
    & skf18("1","5","2","9","2","2","1") = "8"
    & skf18("1","5","2","9","2","3","1") = "8"
    & skf18("1","5","2","9","2","4","1") = "8"
    & skf18("1","5","2","9","2","5","1") = "8"
    & skf18("1","5","2","9","2","6","1") = "8"
    & skf18("1","5","2","9","2","7","1") = "8"
    & skf18("1","5","2","9","2","8","1") = "8"
    & skf18("1","5","2","9","2","9","1") = "8"
    & skf18("1","5","2","9","2","10","1") = "9"
    & skf18("1","5","2","9","3","1","1") = "8"
    & skf18("1","5","2","9","3","2","1") = "8"
    & skf18("1","5","2","9","3","3","1") = "8"
    & skf18("1","5","2","9","3","4","1") = "8"
    & skf18("1","5","2","9","3","5","1") = "8"
    & skf18("1","5","2","9","3","6","1") = "8"
    & skf18("1","5","2","9","3","7","1") = "8"
    & skf18("1","5","2","9","3","8","1") = "8"
    & skf18("1","5","2","9","3","9","1") = "8"
    & skf18("1","5","2","9","3","10","1") = "9"
    & skf18("1","5","2","9","4","1","1") = "8"
    & skf18("1","5","2","9","4","2","1") = "8"
    & skf18("1","5","2","9","4","3","1") = "8"
    & skf18("1","5","2","9","4","4","1") = "8"
    & skf18("1","5","2","9","4","5","1") = "8"
    & skf18("1","5","2","9","4","6","1") = "8"
    & skf18("1","5","2","9","4","7","1") = "8"
    & skf18("1","5","2","9","4","8","1") = "8"
    & skf18("1","5","2","9","4","9","1") = "8"
    & skf18("1","5","2","9","4","10","1") = "9"
    & skf18("1","5","2","9","5","1","1") = "8"
    & skf18("1","5","2","9","5","2","1") = "8"
    & skf18("1","5","2","9","5","3","1") = "8"
    & skf18("1","5","2","9","5","4","1") = "8"
    & skf18("1","5","2","9","5","5","1") = "8"
    & skf18("1","5","2","9","5","6","1") = "8"
    & skf18("1","5","2","9","5","7","1") = "8"
    & skf18("1","5","2","9","5","8","1") = "8"
    & skf18("1","5","2","9","5","9","1") = "8"
    & skf18("1","5","2","9","5","10","1") = "9"
    & skf18("1","5","2","9","6","1","1") = "8"
    & skf18("1","5","2","9","6","2","1") = "8"
    & skf18("1","5","2","9","6","3","1") = "8"
    & skf18("1","5","2","9","6","4","1") = "8"
    & skf18("1","5","2","9","6","5","1") = "8"
    & skf18("1","5","2","9","6","6","1") = "8"
    & skf18("1","5","2","9","6","7","1") = "8"
    & skf18("1","5","2","9","6","8","1") = "8"
    & skf18("1","5","2","9","6","9","1") = "8"
    & skf18("1","5","2","9","6","10","1") = "9"
    & skf18("1","5","2","9","7","1","1") = "8"
    & skf18("1","5","2","9","7","2","1") = "8"
    & skf18("1","5","2","9","7","3","1") = "8"
    & skf18("1","5","2","9","7","4","1") = "8"
    & skf18("1","5","2","9","7","5","1") = "8"
    & skf18("1","5","2","9","7","6","1") = "8"
    & skf18("1","5","2","9","7","7","1") = "8"
    & skf18("1","5","2","9","7","8","1") = "8"
    & skf18("1","5","2","9","7","9","1") = "8"
    & skf18("1","5","2","9","7","10","1") = "9"
    & skf18("1","5","2","9","8","1","1") = "8"
    & skf18("1","5","2","9","8","2","1") = "8"
    & skf18("1","5","2","9","8","3","1") = "8"
    & skf18("1","5","2","9","8","4","1") = "8"
    & skf18("1","5","2","9","8","5","1") = "8"
    & skf18("1","5","2","9","8","6","1") = "8"
    & skf18("1","5","2","9","8","7","1") = "8"
    & skf18("1","5","2","9","8","8","1") = "8"
    & skf18("1","5","2","9","8","9","1") = "8"
    & skf18("1","5","2","9","8","10","1") = "9"
    & skf18("1","5","2","9","9","1","1") = "8"
    & skf18("1","5","2","9","9","2","1") = "8"
    & skf18("1","5","2","9","9","3","1") = "8"
    & skf18("1","5","2","9","9","4","1") = "8"
    & skf18("1","5","2","9","9","5","1") = "8"
    & skf18("1","5","2","9","9","6","1") = "8"
    & skf18("1","5","2","9","9","7","1") = "8"
    & skf18("1","5","2","9","9","8","1") = "8"
    & skf18("1","5","2","9","9","9","1") = "8"
    & skf18("1","5","2","9","9","10","1") = "9"
    & skf18("1","5","2","9","10","1","1") = "9"
    & skf18("1","5","2","9","10","2","1") = "9"
    & skf18("1","5","2","9","10","3","1") = "9"
    & skf18("1","5","2","9","10","4","1") = "9"
    & skf18("1","5","2","9","10","5","1") = "9"
    & skf18("1","5","2","9","10","6","1") = "9"
    & skf18("1","5","2","9","10","7","1") = "9"
    & skf18("1","5","2","9","10","8","1") = "9"
    & skf18("1","5","2","9","10","9","1") = "9"
    & skf18("1","5","2","9","10","10","1") = "9"
    & skf18("1","5","2","10","1","1","1") = "9"
    & skf18("1","5","2","10","1","2","1") = "9"
    & skf18("1","5","2","10","1","3","1") = "9"
    & skf18("1","5","2","10","1","4","1") = "9"
    & skf18("1","5","2","10","1","5","1") = "9"
    & skf18("1","5","2","10","1","6","1") = "9"
    & skf18("1","5","2","10","1","7","1") = "9"
    & skf18("1","5","2","10","1","8","1") = "9"
    & skf18("1","5","2","10","1","9","1") = "9"
    & skf18("1","5","2","10","1","10","1") = "9"
    & skf18("1","5","2","10","2","1","1") = "9"
    & skf18("1","5","2","10","2","2","1") = "9"
    & skf18("1","5","2","10","2","3","1") = "9"
    & skf18("1","5","2","10","2","4","1") = "9"
    & skf18("1","5","2","10","2","5","1") = "9"
    & skf18("1","5","2","10","2","6","1") = "9"
    & skf18("1","5","2","10","2","7","1") = "9"
    & skf18("1","5","2","10","2","8","1") = "9"
    & skf18("1","5","2","10","2","9","1") = "9"
    & skf18("1","5","2","10","2","10","1") = "9"
    & skf18("1","5","2","10","3","1","1") = "9"
    & skf18("1","5","2","10","3","2","1") = "9"
    & skf18("1","5","2","10","3","3","1") = "9"
    & skf18("1","5","2","10","3","4","1") = "9"
    & skf18("1","5","2","10","3","5","1") = "9"
    & skf18("1","5","2","10","3","6","1") = "9"
    & skf18("1","5","2","10","3","7","1") = "9"
    & skf18("1","5","2","10","3","8","1") = "9"
    & skf18("1","5","2","10","3","9","1") = "9"
    & skf18("1","5","2","10","3","10","1") = "9"
    & skf18("1","5","2","10","4","1","1") = "9"
    & skf18("1","5","2","10","4","2","1") = "9"
    & skf18("1","5","2","10","4","3","1") = "9"
    & skf18("1","5","2","10","4","4","1") = "9"
    & skf18("1","5","2","10","4","5","1") = "9"
    & skf18("1","5","2","10","4","6","1") = "9"
    & skf18("1","5","2","10","4","7","1") = "9"
    & skf18("1","5","2","10","4","8","1") = "9"
    & skf18("1","5","2","10","4","9","1") = "9"
    & skf18("1","5","2","10","4","10","1") = "9"
    & skf18("1","5","2","10","5","1","1") = "9"
    & skf18("1","5","2","10","5","2","1") = "9"
    & skf18("1","5","2","10","5","3","1") = "9"
    & skf18("1","5","2","10","5","4","1") = "9"
    & skf18("1","5","2","10","5","5","1") = "9"
    & skf18("1","5","2","10","5","6","1") = "9"
    & skf18("1","5","2","10","5","7","1") = "9"
    & skf18("1","5","2","10","5","8","1") = "9"
    & skf18("1","5","2","10","5","9","1") = "9"
    & skf18("1","5","2","10","5","10","1") = "9"
    & skf18("1","5","2","10","6","1","1") = "9"
    & skf18("1","5","2","10","6","2","1") = "9"
    & skf18("1","5","2","10","6","3","1") = "9"
    & skf18("1","5","2","10","6","4","1") = "9"
    & skf18("1","5","2","10","6","5","1") = "9"
    & skf18("1","5","2","10","6","6","1") = "9"
    & skf18("1","5","2","10","6","7","1") = "9"
    & skf18("1","5","2","10","6","8","1") = "9"
    & skf18("1","5","2","10","6","9","1") = "9"
    & skf18("1","5","2","10","6","10","1") = "9"
    & skf18("1","5","2","10","7","1","1") = "9"
    & skf18("1","5","2","10","7","2","1") = "9"
    & skf18("1","5","2","10","7","3","1") = "9"
    & skf18("1","5","2","10","7","4","1") = "9"
    & skf18("1","5","2","10","7","5","1") = "9"
    & skf18("1","5","2","10","7","6","1") = "9"
    & skf18("1","5","2","10","7","7","1") = "9"
    & skf18("1","5","2","10","7","8","1") = "9"
    & skf18("1","5","2","10","7","9","1") = "9"
    & skf18("1","5","2","10","7","10","1") = "9"
    & skf18("1","5","2","10","8","1","1") = "9"
    & skf18("1","5","2","10","8","2","1") = "9"
    & skf18("1","5","2","10","8","3","1") = "9"
    & skf18("1","5","2","10","8","4","1") = "9"
    & skf18("1","5","2","10","8","5","1") = "9"
    & skf18("1","5","2","10","8","6","1") = "9"
    & skf18("1","5","2","10","8","7","1") = "9"
    & skf18("1","5","2","10","8","8","1") = "9"
    & skf18("1","5","2","10","8","9","1") = "9"
    & skf18("1","5","2","10","8","10","1") = "9"
    & skf18("1","5","2","10","9","1","1") = "9"
    & skf18("1","5","2","10","9","2","1") = "9"
    & skf18("1","5","2","10","9","3","1") = "9"
    & skf18("1","5","2","10","9","4","1") = "9"
    & skf18("1","5","2","10","9","5","1") = "9"
    & skf18("1","5","2","10","9","6","1") = "9"
    & skf18("1","5","2","10","9","7","1") = "9"
    & skf18("1","5","2","10","9","8","1") = "9"
    & skf18("1","5","2","10","9","9","1") = "9"
    & skf18("1","5","2","10","9","10","1") = "9"
    & skf18("1","5","2","10","10","1","1") = "9"
    & skf18("1","5","2","10","10","2","1") = "9"
    & skf18("1","5","2","10","10","3","1") = "9"
    & skf18("1","5","2","10","10","4","1") = "9"
    & skf18("1","5","2","10","10","5","1") = "9"
    & skf18("1","5","2","10","10","6","1") = "9"
    & skf18("1","5","2","10","10","7","1") = "9"
    & skf18("1","5","2","10","10","8","1") = "9"
    & skf18("1","5","2","10","10","9","1") = "9"
    & skf18("1","5","2","10","10","10","1") = "9"
    & skf18("1","5","3","1","1","1","1") = "4"
    & skf18("1","5","3","1","1","2","1") = "4"
    & skf18("1","5","3","1","1","3","1") = "4"
    & skf18("1","5","3","1","1","4","1") = "4"
    & skf18("1","5","3","1","1","5","1") = "4"
    & skf18("1","5","3","1","1","6","1") = "5"
    & skf18("1","5","3","1","1","7","1") = "6"
    & skf18("1","5","3","1","1","8","1") = "7"
    & skf18("1","5","3","1","1","9","1") = "8"
    & skf18("1","5","3","1","1","10","1") = "9"
    & skf18("1","5","3","1","2","1","1") = "4"
    & skf18("1","5","3","1","2","2","1") = "4"
    & skf18("1","5","3","1","2","3","1") = "4"
    & skf18("1","5","3","1","2","4","1") = "4"
    & skf18("1","5","3","1","2","5","1") = "4"
    & skf18("1","5","3","1","2","6","1") = "5"
    & skf18("1","5","3","1","2","7","1") = "6"
    & skf18("1","5","3","1","2","8","1") = "7"
    & skf18("1","5","3","1","2","9","1") = "8"
    & skf18("1","5","3","1","2","10","1") = "9"
    & skf18("1","5","3","1","3","1","1") = "4"
    & skf18("1","5","3","1","3","2","1") = "4"
    & skf18("1","5","3","1","3","3","1") = "4"
    & skf18("1","5","3","1","3","4","1") = "4"
    & skf18("1","5","3","1","3","5","1") = "4"
    & skf18("1","5","3","1","3","6","1") = "5"
    & skf18("1","5","3","1","3","7","1") = "6"
    & skf18("1","5","3","1","3","8","1") = "7"
    & skf18("1","5","3","1","3","9","1") = "8"
    & skf18("1","5","3","1","3","10","1") = "9"
    & skf18("1","5","3","1","4","1","1") = "4"
    & skf18("1","5","3","1","4","2","1") = "4"
    & skf18("1","5","3","1","4","3","1") = "4"
    & skf18("1","5","3","1","4","4","1") = "4"
    & skf18("1","5","3","1","4","5","1") = "4"
    & skf18("1","5","3","1","4","6","1") = "5"
    & skf18("1","5","3","1","4","7","1") = "6"
    & skf18("1","5","3","1","4","8","1") = "7"
    & skf18("1","5","3","1","4","9","1") = "8"
    & skf18("1","5","3","1","4","10","1") = "9"
    & skf18("1","5","3","1","5","1","1") = "4"
    & skf18("1","5","3","1","5","2","1") = "4"
    & skf18("1","5","3","1","5","3","1") = "4"
    & skf18("1","5","3","1","5","4","1") = "4"
    & skf18("1","5","3","1","5","5","1") = "4"
    & skf18("1","5","3","1","5","6","1") = "5"
    & skf18("1","5","3","1","5","7","1") = "6"
    & skf18("1","5","3","1","5","8","1") = "7"
    & skf18("1","5","3","1","5","9","1") = "8"
    & skf18("1","5","3","1","5","10","1") = "9"
    & skf18("1","5","3","1","6","1","1") = "5"
    & skf18("1","5","3","1","6","2","1") = "5"
    & skf18("1","5","3","1","6","3","1") = "5"
    & skf18("1","5","3","1","6","4","1") = "5"
    & skf18("1","5","3","1","6","5","1") = "5"
    & skf18("1","5","3","1","6","6","1") = "5"
    & skf18("1","5","3","1","6","7","1") = "6"
    & skf18("1","5","3","1","6","8","1") = "7"
    & skf18("1","5","3","1","6","9","1") = "8"
    & skf18("1","5","3","1","6","10","1") = "9"
    & skf18("1","5","3","1","7","1","1") = "6"
    & skf18("1","5","3","1","7","2","1") = "6"
    & skf18("1","5","3","1","7","3","1") = "6"
    & skf18("1","5","3","1","7","4","1") = "6"
    & skf18("1","5","3","1","7","5","1") = "6"
    & skf18("1","5","3","1","7","6","1") = "6"
    & skf18("1","5","3","1","7","7","1") = "6"
    & skf18("1","5","3","1","7","8","1") = "7"
    & skf18("1","5","3","1","7","9","1") = "8"
    & skf18("1","5","3","1","7","10","1") = "9"
    & skf18("1","5","3","1","8","1","1") = "7"
    & skf18("1","5","3","1","8","2","1") = "7"
    & skf18("1","5","3","1","8","3","1") = "7"
    & skf18("1","5","3","1","8","4","1") = "7"
    & skf18("1","5","3","1","8","5","1") = "7"
    & skf18("1","5","3","1","8","6","1") = "7"
    & skf18("1","5","3","1","8","7","1") = "7"
    & skf18("1","5","3","1","8","8","1") = "7"
    & skf18("1","5","3","1","8","9","1") = "8"
    & skf18("1","5","3","1","8","10","1") = "9"
    & skf18("1","5","3","1","9","1","1") = "8"
    & skf18("1","5","3","1","9","2","1") = "8"
    & skf18("1","5","3","1","9","3","1") = "8"
    & skf18("1","5","3","1","9","4","1") = "8"
    & skf18("1","5","3","1","9","5","1") = "8"
    & skf18("1","5","3","1","9","6","1") = "8"
    & skf18("1","5","3","1","9","7","1") = "8"
    & skf18("1","5","3","1","9","8","1") = "8"
    & skf18("1","5","3","1","9","9","1") = "8"
    & skf18("1","5","3","1","9","10","1") = "9"
    & skf18("1","5","3","1","10","1","1") = "9"
    & skf18("1","5","3","1","10","2","1") = "9"
    & skf18("1","5","3","1","10","3","1") = "9"
    & skf18("1","5","3","1","10","4","1") = "9"
    & skf18("1","5","3","1","10","5","1") = "9"
    & skf18("1","5","3","1","10","6","1") = "9"
    & skf18("1","5","3","1","10","7","1") = "9"
    & skf18("1","5","3","1","10","8","1") = "9"
    & skf18("1","5","3","1","10","9","1") = "9"
    & skf18("1","5","3","1","10","10","1") = "9"
    & skf18("1","5","3","2","1","1","1") = "4"
    & skf18("1","5","3","2","1","2","1") = "4"
    & skf18("1","5","3","2","1","3","1") = "4"
    & skf18("1","5","3","2","1","4","1") = "4"
    & skf18("1","5","3","2","1","5","1") = "4"
    & skf18("1","5","3","2","1","6","1") = "5"
    & skf18("1","5","3","2","1","7","1") = "6"
    & skf18("1","5","3","2","1","8","1") = "7"
    & skf18("1","5","3","2","1","9","1") = "8"
    & skf18("1","5","3","2","1","10","1") = "9"
    & skf18("1","5","3","2","2","1","1") = "4"
    & skf18("1","5","3","2","2","2","1") = "4"
    & skf18("1","5","3","2","2","3","1") = "4"
    & skf18("1","5","3","2","2","4","1") = "4"
    & skf18("1","5","3","2","2","5","1") = "4"
    & skf18("1","5","3","2","2","6","1") = "5"
    & skf18("1","5","3","2","2","7","1") = "6"
    & skf18("1","5","3","2","2","8","1") = "7"
    & skf18("1","5","3","2","2","9","1") = "8"
    & skf18("1","5","3","2","2","10","1") = "9"
    & skf18("1","5","3","2","3","1","1") = "4"
    & skf18("1","5","3","2","3","2","1") = "4"
    & skf18("1","5","3","2","3","3","1") = "4"
    & skf18("1","5","3","2","3","4","1") = "4"
    & skf18("1","5","3","2","3","5","1") = "4"
    & skf18("1","5","3","2","3","6","1") = "5"
    & skf18("1","5","3","2","3","7","1") = "6"
    & skf18("1","5","3","2","3","8","1") = "7"
    & skf18("1","5","3","2","3","9","1") = "8"
    & skf18("1","5","3","2","3","10","1") = "9"
    & skf18("1","5","3","2","4","1","1") = "4"
    & skf18("1","5","3","2","4","2","1") = "4"
    & skf18("1","5","3","2","4","3","1") = "4"
    & skf18("1","5","3","2","4","4","1") = "4"
    & skf18("1","5","3","2","4","5","1") = "4"
    & skf18("1","5","3","2","4","6","1") = "5"
    & skf18("1","5","3","2","4","7","1") = "6"
    & skf18("1","5","3","2","4","8","1") = "7"
    & skf18("1","5","3","2","4","9","1") = "8"
    & skf18("1","5","3","2","4","10","1") = "9"
    & skf18("1","5","3","2","5","1","1") = "4"
    & skf18("1","5","3","2","5","2","1") = "4"
    & skf18("1","5","3","2","5","3","1") = "4"
    & skf18("1","5","3","2","5","4","1") = "4"
    & skf18("1","5","3","2","5","5","1") = "2"
    & skf18("1","5","3","2","5","6","1") = "5"
    & skf18("1","5","3","2","5","7","1") = "6"
    & skf18("1","5","3","2","5","8","1") = "7"
    & skf18("1","5","3","2","5","9","1") = "8"
    & skf18("1","5","3","2","5","10","1") = "9"
    & skf18("1","5","3","2","6","1","1") = "5"
    & skf18("1","5","3","2","6","2","1") = "5"
    & skf18("1","5","3","2","6","3","1") = "5"
    & skf18("1","5","3","2","6","4","1") = "5"
    & skf18("1","5","3","2","6","5","1") = "5"
    & skf18("1","5","3","2","6","6","1") = "5"
    & skf18("1","5","3","2","6","7","1") = "6"
    & skf18("1","5","3","2","6","8","1") = "7"
    & skf18("1","5","3","2","6","9","1") = "8"
    & skf18("1","5","3","2","6","10","1") = "9"
    & skf18("1","5","3","2","7","1","1") = "6"
    & skf18("1","5","3","2","7","2","1") = "6"
    & skf18("1","5","3","2","7","3","1") = "6"
    & skf18("1","5","3","2","7","4","1") = "6"
    & skf18("1","5","3","2","7","5","1") = "6"
    & skf18("1","5","3","2","7","6","1") = "6"
    & skf18("1","5","3","2","7","7","1") = "6"
    & skf18("1","5","3","2","7","8","1") = "7"
    & skf18("1","5","3","2","7","9","1") = "8"
    & skf18("1","5","3","2","7","10","1") = "9"
    & skf18("1","5","3","2","8","1","1") = "7"
    & skf18("1","5","3","2","8","2","1") = "7"
    & skf18("1","5","3","2","8","3","1") = "7"
    & skf18("1","5","3","2","8","4","1") = "7"
    & skf18("1","5","3","2","8","5","1") = "7"
    & skf18("1","5","3","2","8","6","1") = "7"
    & skf18("1","5","3","2","8","7","1") = "7"
    & skf18("1","5","3","2","8","8","1") = "7"
    & skf18("1","5","3","2","8","9","1") = "8"
    & skf18("1","5","3","2","8","10","1") = "9"
    & skf18("1","5","3","2","9","1","1") = "8"
    & skf18("1","5","3","2","9","2","1") = "8"
    & skf18("1","5","3","2","9","3","1") = "8"
    & skf18("1","5","3","2","9","4","1") = "8"
    & skf18("1","5","3","2","9","5","1") = "8"
    & skf18("1","5","3","2","9","6","1") = "8"
    & skf18("1","5","3","2","9","7","1") = "8"
    & skf18("1","5","3","2","9","8","1") = "8"
    & skf18("1","5","3","2","9","9","1") = "8"
    & skf18("1","5","3","2","9","10","1") = "9"
    & skf18("1","5","3","2","10","1","1") = "9"
    & skf18("1","5","3","2","10","2","1") = "9"
    & skf18("1","5","3","2","10","3","1") = "9"
    & skf18("1","5","3","2","10","4","1") = "9"
    & skf18("1","5","3","2","10","5","1") = "9"
    & skf18("1","5","3","2","10","6","1") = "9"
    & skf18("1","5","3","2","10","7","1") = "9"
    & skf18("1","5","3","2","10","8","1") = "9"
    & skf18("1","5","3","2","10","9","1") = "9"
    & skf18("1","5","3","2","10","10","1") = "9"
    & skf18("1","5","3","3","1","1","1") = "2"
    & skf18("1","5","3","3","1","2","1") = "4"
    & skf18("1","5","3","3","1","3","1") = "4"
    & skf18("1","5","3","3","1","4","1") = "4"
    & skf18("1","5","3","3","1","5","1") = "4"
    & skf18("1","5","3","3","1","6","1") = "5"
    & skf18("1","5","3","3","1","7","1") = "6"
    & skf18("1","5","3","3","1","8","1") = "7"
    & skf18("1","5","3","3","1","9","1") = "8"
    & skf18("1","5","3","3","1","10","1") = "9"
    & skf18("1","5","3","3","2","1","1") = "4"
    & skf18("1","5","3","3","2","2","1") = "4"
    & skf18("1","5","3","3","2","3","1") = "4"
    & skf18("1","5","3","3","2","4","1") = "4"
    & skf18("1","5","3","3","2","5","1") = "4"
    & skf18("1","5","3","3","2","6","1") = "5"
    & skf18("1","5","3","3","2","7","1") = "6"
    & skf18("1","5","3","3","2","8","1") = "7"
    & skf18("1","5","3","3","2","9","1") = "8"
    & skf18("1","5","3","3","2","10","1") = "9"
    & skf18("1","5","3","3","3","1","1") = "4"
    & skf18("1","5","3","3","3","2","1") = "4"
    & skf18("1","5","3","3","3","3","1") = "4"
    & skf18("1","5","3","3","3","4","1") = "4"
    & skf18("1","5","3","3","3","5","1") = "4"
    & skf18("1","5","3","3","3","6","1") = "5"
    & skf18("1","5","3","3","3","7","1") = "6"
    & skf18("1","5","3","3","3","8","1") = "7"
    & skf18("1","5","3","3","3","9","1") = "8"
    & skf18("1","5","3","3","3","10","1") = "9"
    & skf18("1","5","3","3","4","1","1") = "4"
    & skf18("1","5","3","3","4","2","1") = "4"
    & skf18("1","5","3","3","4","3","1") = "4"
    & skf18("1","5","3","3","4","4","1") = "4"
    & skf18("1","5","3","3","4","5","1") = "4"
    & skf18("1","5","3","3","4","6","1") = "5"
    & skf18("1","5","3","3","4","7","1") = "6"
    & skf18("1","5","3","3","4","8","1") = "7"
    & skf18("1","5","3","3","4","9","1") = "8"
    & skf18("1","5","3","3","4","10","1") = "9"
    & skf18("1","5","3","3","5","1","1") = "4"
    & skf18("1","5","3","3","5","2","1") = "4"
    & skf18("1","5","3","3","5","3","1") = "4"
    & skf18("1","5","3","3","5","4","1") = "4"
    & skf18("1","5","3","3","5","5","1") = "4"
    & skf18("1","5","3","3","5","6","1") = "5"
    & skf18("1","5","3","3","5","7","1") = "6"
    & skf18("1","5","3","3","5","8","1") = "7"
    & skf18("1","5","3","3","5","9","1") = "8"
    & skf18("1","5","3","3","5","10","1") = "9"
    & skf18("1","5","3","3","6","1","1") = "5"
    & skf18("1","5","3","3","6","2","1") = "5"
    & skf18("1","5","3","3","6","3","1") = "5"
    & skf18("1","5","3","3","6","4","1") = "5"
    & skf18("1","5","3","3","6","5","1") = "5"
    & skf18("1","5","3","3","6","6","1") = "5"
    & skf18("1","5","3","3","6","7","1") = "6"
    & skf18("1","5","3","3","6","8","1") = "7"
    & skf18("1","5","3","3","6","9","1") = "8"
    & skf18("1","5","3","3","6","10","1") = "9"
    & skf18("1","5","3","3","7","1","1") = "6"
    & skf18("1","5","3","3","7","2","1") = "6"
    & skf18("1","5","3","3","7","3","1") = "6"
    & skf18("1","5","3","3","7","4","1") = "6"
    & skf18("1","5","3","3","7","5","1") = "6"
    & skf18("1","5","3","3","7","6","1") = "6"
    & skf18("1","5","3","3","7","7","1") = "6"
    & skf18("1","5","3","3","7","8","1") = "7"
    & skf18("1","5","3","3","7","9","1") = "8"
    & skf18("1","5","3","3","7","10","1") = "9"
    & skf18("1","5","3","3","8","1","1") = "7"
    & skf18("1","5","3","3","8","2","1") = "7"
    & skf18("1","5","3","3","8","3","1") = "7"
    & skf18("1","5","3","3","8","4","1") = "7"
    & skf18("1","5","3","3","8","5","1") = "7"
    & skf18("1","5","3","3","8","6","1") = "7"
    & skf18("1","5","3","3","8","7","1") = "7"
    & skf18("1","5","3","3","8","8","1") = "7"
    & skf18("1","5","3","3","8","9","1") = "8"
    & skf18("1","5","3","3","8","10","1") = "9"
    & skf18("1","5","3","3","9","1","1") = "8"
    & skf18("1","5","3","3","9","2","1") = "8"
    & skf18("1","5","3","3","9","3","1") = "8"
    & skf18("1","5","3","3","9","4","1") = "8"
    & skf18("1","5","3","3","9","5","1") = "8"
    & skf18("1","5","3","3","9","6","1") = "8"
    & skf18("1","5","3","3","9","7","1") = "8"
    & skf18("1","5","3","3","9","8","1") = "8"
    & skf18("1","5","3","3","9","9","1") = "8"
    & skf18("1","5","3","3","9","10","1") = "9"
    & skf18("1","5","3","3","10","1","1") = "9"
    & skf18("1","5","3","3","10","2","1") = "9"
    & skf18("1","5","3","3","10","3","1") = "9"
    & skf18("1","5","3","3","10","4","1") = "9"
    & skf18("1","5","3","3","10","5","1") = "9"
    & skf18("1","5","3","3","10","6","1") = "9"
    & skf18("1","5","3","3","10","7","1") = "9"
    & skf18("1","5","3","3","10","8","1") = "9"
    & skf18("1","5","3","3","10","9","1") = "9"
    & skf18("1","5","3","3","10","10","1") = "9"
    & skf18("1","5","3","4","1","1","1") = "4"
    & skf18("1","5","3","4","1","2","1") = "4"
    & skf18("1","5","3","4","1","3","1") = "4"
    & skf18("1","5","3","4","1","4","1") = "4"
    & skf18("1","5","3","4","1","5","1") = "4"
    & skf18("1","5","3","4","1","6","1") = "5"
    & skf18("1","5","3","4","1","7","1") = "6"
    & skf18("1","5","3","4","1","8","1") = "7"
    & skf18("1","5","3","4","1","9","1") = "8"
    & skf18("1","5","3","4","1","10","1") = "9"
    & skf18("1","5","3","4","2","1","1") = "4"
    & skf18("1","5","3","4","2","2","1") = "4"
    & skf18("1","5","3","4","2","3","1") = "4"
    & skf18("1","5","3","4","2","4","1") = "4"
    & skf18("1","5","3","4","2","5","1") = "4"
    & skf18("1","5","3","4","2","6","1") = "5"
    & skf18("1","5","3","4","2","7","1") = "6"
    & skf18("1","5","3","4","2","8","1") = "7"
    & skf18("1","5","3","4","2","9","1") = "8"
    & skf18("1","5","3","4","2","10","1") = "9"
    & skf18("1","5","3","4","3","1","1") = "4"
    & skf18("1","5","3","4","3","2","1") = "4"
    & skf18("1","5","3","4","3","3","1") = "4"
    & skf18("1","5","3","4","3","4","1") = "4"
    & skf18("1","5","3","4","3","5","1") = "4"
    & skf18("1","5","3","4","3","6","1") = "5"
    & skf18("1","5","3","4","3","7","1") = "6"
    & skf18("1","5","3","4","3","8","1") = "7"
    & skf18("1","5","3","4","3","9","1") = "8"
    & skf18("1","5","3","4","3","10","1") = "9"
    & skf18("1","5","3","4","4","1","1") = "4"
    & skf18("1","5","3","4","4","2","1") = "4"
    & skf18("1","5","3","4","4","3","1") = "4"
    & skf18("1","5","3","4","4","4","1") = "4"
    & skf18("1","5","3","4","4","5","1") = "4"
    & skf18("1","5","3","4","4","6","1") = "5"
    & skf18("1","5","3","4","4","7","1") = "6"
    & skf18("1","5","3","4","4","8","1") = "7"
    & skf18("1","5","3","4","4","9","1") = "8"
    & skf18("1","5","3","4","4","10","1") = "9"
    & skf18("1","5","3","4","5","1","1") = "4"
    & skf18("1","5","3","4","5","2","1") = "4"
    & skf18("1","5","3","4","5","3","1") = "4"
    & skf18("1","5","3","4","5","4","1") = "4"
    & skf18("1","5","3","4","5","5","1") = "4"
    & skf18("1","5","3","4","5","6","1") = "5"
    & skf18("1","5","3","4","5","7","1") = "6"
    & skf18("1","5","3","4","5","8","1") = "7"
    & skf18("1","5","3","4","5","9","1") = "8"
    & skf18("1","5","3","4","5","10","1") = "9"
    & skf18("1","5","3","4","6","1","1") = "5"
    & skf18("1","5","3","4","6","2","1") = "5"
    & skf18("1","5","3","4","6","3","1") = "5"
    & skf18("1","5","3","4","6","4","1") = "5"
    & skf18("1","5","3","4","6","5","1") = "5"
    & skf18("1","5","3","4","6","6","1") = "5"
    & skf18("1","5","3","4","6","7","1") = "6"
    & skf18("1","5","3","4","6","8","1") = "7"
    & skf18("1","5","3","4","6","9","1") = "8"
    & skf18("1","5","3","4","6","10","1") = "9"
    & skf18("1","5","3","4","7","1","1") = "6"
    & skf18("1","5","3","4","7","2","1") = "6"
    & skf18("1","5","3","4","7","3","1") = "6"
    & skf18("1","5","3","4","7","4","1") = "6"
    & skf18("1","5","3","4","7","5","1") = "6"
    & skf18("1","5","3","4","7","6","1") = "6"
    & skf18("1","5","3","4","7","7","1") = "6"
    & skf18("1","5","3","4","7","8","1") = "7"
    & skf18("1","5","3","4","7","9","1") = "8"
    & skf18("1","5","3","4","7","10","1") = "9"
    & skf18("1","5","3","4","8","1","1") = "7"
    & skf18("1","5","3","4","8","2","1") = "7"
    & skf18("1","5","3","4","8","3","1") = "7"
    & skf18("1","5","3","4","8","4","1") = "7"
    & skf18("1","5","3","4","8","5","1") = "7"
    & skf18("1","5","3","4","8","6","1") = "7"
    & skf18("1","5","3","4","8","7","1") = "7"
    & skf18("1","5","3","4","8","8","1") = "7"
    & skf18("1","5","3","4","8","9","1") = "8"
    & skf18("1","5","3","4","8","10","1") = "9"
    & skf18("1","5","3","4","9","1","1") = "8"
    & skf18("1","5","3","4","9","2","1") = "8"
    & skf18("1","5","3","4","9","3","1") = "8"
    & skf18("1","5","3","4","9","4","1") = "8"
    & skf18("1","5","3","4","9","5","1") = "8"
    & skf18("1","5","3","4","9","6","1") = "8"
    & skf18("1","5","3","4","9","7","1") = "8"
    & skf18("1","5","3","4","9","8","1") = "8"
    & skf18("1","5","3","4","9","9","1") = "8"
    & skf18("1","5","3","4","9","10","1") = "9"
    & skf18("1","5","3","4","10","1","1") = "9"
    & skf18("1","5","3","4","10","2","1") = "9"
    & skf18("1","5","3","4","10","3","1") = "9"
    & skf18("1","5","3","4","10","4","1") = "9"
    & skf18("1","5","3","4","10","5","1") = "9"
    & skf18("1","5","3","4","10","6","1") = "9"
    & skf18("1","5","3","4","10","7","1") = "9"
    & skf18("1","5","3","4","10","8","1") = "9"
    & skf18("1","5","3","4","10","9","1") = "9"
    & skf18("1","5","3","4","10","10","1") = "9"
    & skf18("1","5","3","5","1","1","1") = "4"
    & skf18("1","5","3","5","1","2","1") = "4"
    & skf18("1","5","3","5","1","3","1") = "4"
    & skf18("1","5","3","5","1","4","1") = "4"
    & skf18("1","5","3","5","1","5","1") = "4"
    & skf18("1","5","3","5","1","6","1") = "5"
    & skf18("1","5","3","5","1","7","1") = "6"
    & skf18("1","5","3","5","1","8","1") = "7"
    & skf18("1","5","3","5","1","9","1") = "8"
    & skf18("1","5","3","5","1","10","1") = "9"
    & skf18("1","5","3","5","2","1","1") = "4"
    & skf18("1","5","3","5","2","2","1") = "4"
    & skf18("1","5","3","5","2","3","1") = "4"
    & skf18("1","5","3","5","2","4","1") = "4"
    & skf18("1","5","3","5","2","5","1") = "4"
    & skf18("1","5","3","5","2","6","1") = "5"
    & skf18("1","5","3","5","2","7","1") = "6"
    & skf18("1","5","3","5","2","8","1") = "7"
    & skf18("1","5","3","5","2","9","1") = "8"
    & skf18("1","5","3","5","2","10","1") = "9"
    & skf18("1","5","3","5","3","1","1") = "4"
    & skf18("1","5","3","5","3","2","1") = "4"
    & skf18("1","5","3","5","3","3","1") = "4"
    & skf18("1","5","3","5","3","4","1") = "4"
    & skf18("1","5","3","5","3","5","1") = "4"
    & skf18("1","5","3","5","3","6","1") = "5"
    & skf18("1","5","3","5","3","7","1") = "6"
    & skf18("1","5","3","5","3","8","1") = "7"
    & skf18("1","5","3","5","3","9","1") = "8"
    & skf18("1","5","3","5","3","10","1") = "9"
    & skf18("1","5","3","5","4","1","1") = "4"
    & skf18("1","5","3","5","4","2","1") = "4"
    & skf18("1","5","3","5","4","3","1") = "4"
    & skf18("1","5","3","5","4","4","1") = "4"
    & skf18("1","5","3","5","4","5","1") = "4"
    & skf18("1","5","3","5","4","6","1") = "5"
    & skf18("1","5","3","5","4","7","1") = "6"
    & skf18("1","5","3","5","4","8","1") = "7"
    & skf18("1","5","3","5","4","9","1") = "8"
    & skf18("1","5","3","5","4","10","1") = "9"
    & skf18("1","5","3","5","5","1","1") = "4"
    & skf18("1","5","3","5","5","2","1") = "4"
    & skf18("1","5","3","5","5","3","1") = "4"
    & skf18("1","5","3","5","5","4","1") = "4"
    & skf18("1","5","3","5","5","5","1") = "4"
    & skf18("1","5","3","5","5","6","1") = "5"
    & skf18("1","5","3","5","5","7","1") = "6"
    & skf18("1","5","3","5","5","8","1") = "7"
    & skf18("1","5","3","5","5","9","1") = "8"
    & skf18("1","5","3","5","5","10","1") = "9"
    & skf18("1","5","3","5","6","1","1") = "5"
    & skf18("1","5","3","5","6","2","1") = "5"
    & skf18("1","5","3","5","6","3","1") = "5"
    & skf18("1","5","3","5","6","4","1") = "5"
    & skf18("1","5","3","5","6","5","1") = "5"
    & skf18("1","5","3","5","6","6","1") = "5"
    & skf18("1","5","3","5","6","7","1") = "6"
    & skf18("1","5","3","5","6","8","1") = "7"
    & skf18("1","5","3","5","6","9","1") = "8"
    & skf18("1","5","3","5","6","10","1") = "9"
    & skf18("1","5","3","5","7","1","1") = "6"
    & skf18("1","5","3","5","7","2","1") = "6"
    & skf18("1","5","3","5","7","3","1") = "6"
    & skf18("1","5","3","5","7","4","1") = "6"
    & skf18("1","5","3","5","7","5","1") = "6"
    & skf18("1","5","3","5","7","6","1") = "6"
    & skf18("1","5","3","5","7","7","1") = "6"
    & skf18("1","5","3","5","7","8","1") = "7"
    & skf18("1","5","3","5","7","9","1") = "8"
    & skf18("1","5","3","5","7","10","1") = "9"
    & skf18("1","5","3","5","8","1","1") = "7"
    & skf18("1","5","3","5","8","2","1") = "7"
    & skf18("1","5","3","5","8","3","1") = "7"
    & skf18("1","5","3","5","8","4","1") = "7"
    & skf18("1","5","3","5","8","5","1") = "7"
    & skf18("1","5","3","5","8","6","1") = "7"
    & skf18("1","5","3","5","8","7","1") = "7"
    & skf18("1","5","3","5","8","8","1") = "7"
    & skf18("1","5","3","5","8","9","1") = "8"
    & skf18("1","5","3","5","8","10","1") = "9"
    & skf18("1","5","3","5","9","1","1") = "8"
    & skf18("1","5","3","5","9","2","1") = "8"
    & skf18("1","5","3","5","9","3","1") = "8"
    & skf18("1","5","3","5","9","4","1") = "8"
    & skf18("1","5","3","5","9","5","1") = "8"
    & skf18("1","5","3","5","9","6","1") = "8"
    & skf18("1","5","3","5","9","7","1") = "8"
    & skf18("1","5","3","5","9","8","1") = "8"
    & skf18("1","5","3","5","9","9","1") = "8"
    & skf18("1","5","3","5","9","10","1") = "9"
    & skf18("1","5","3","5","10","1","1") = "9"
    & skf18("1","5","3","5","10","2","1") = "9"
    & skf18("1","5","3","5","10","3","1") = "9"
    & skf18("1","5","3","5","10","4","1") = "9"
    & skf18("1","5","3","5","10","5","1") = "9"
    & skf18("1","5","3","5","10","6","1") = "9"
    & skf18("1","5","3","5","10","7","1") = "9"
    & skf18("1","5","3","5","10","8","1") = "9"
    & skf18("1","5","3","5","10","9","1") = "9"
    & skf18("1","5","3","5","10","10","1") = "9"
    & skf18("1","5","3","6","1","1","1") = "5"
    & skf18("1","5","3","6","1","2","1") = "5"
    & skf18("1","5","3","6","1","3","1") = "5"
    & skf18("1","5","3","6","1","4","1") = "5"
    & skf18("1","5","3","6","1","5","1") = "5"
    & skf18("1","5","3","6","1","6","1") = "5"
    & skf18("1","5","3","6","1","7","1") = "6"
    & skf18("1","5","3","6","1","8","1") = "7"
    & skf18("1","5","3","6","1","9","1") = "8"
    & skf18("1","5","3","6","1","10","1") = "9"
    & skf18("1","5","3","6","2","1","1") = "5"
    & skf18("1","5","3","6","2","2","1") = "5"
    & skf18("1","5","3","6","2","3","1") = "5"
    & skf18("1","5","3","6","2","4","1") = "5"
    & skf18("1","5","3","6","2","5","1") = "5"
    & skf18("1","5","3","6","2","6","1") = "5"
    & skf18("1","5","3","6","2","7","1") = "6"
    & skf18("1","5","3","6","2","8","1") = "7"
    & skf18("1","5","3","6","2","9","1") = "8"
    & skf18("1","5","3","6","2","10","1") = "9"
    & skf18("1","5","3","6","3","1","1") = "5"
    & skf18("1","5","3","6","3","2","1") = "5"
    & skf18("1","5","3","6","3","3","1") = "5"
    & skf18("1","5","3","6","3","4","1") = "5"
    & skf18("1","5","3","6","3","5","1") = "5"
    & skf18("1","5","3","6","3","6","1") = "5"
    & skf18("1","5","3","6","3","7","1") = "6"
    & skf18("1","5","3","6","3","8","1") = "7"
    & skf18("1","5","3","6","3","9","1") = "8"
    & skf18("1","5","3","6","3","10","1") = "9"
    & skf18("1","5","3","6","4","1","1") = "5"
    & skf18("1","5","3","6","4","2","1") = "5"
    & skf18("1","5","3","6","4","3","1") = "5"
    & skf18("1","5","3","6","4","4","1") = "5"
    & skf18("1","5","3","6","4","5","1") = "5"
    & skf18("1","5","3","6","4","6","1") = "5"
    & skf18("1","5","3","6","4","7","1") = "6"
    & skf18("1","5","3","6","4","8","1") = "7"
    & skf18("1","5","3","6","4","9","1") = "8"
    & skf18("1","5","3","6","4","10","1") = "9"
    & skf18("1","5","3","6","5","1","1") = "5"
    & skf18("1","5","3","6","5","2","1") = "5"
    & skf18("1","5","3","6","5","3","1") = "5"
    & skf18("1","5","3","6","5","4","1") = "5"
    & skf18("1","5","3","6","5","5","1") = "5"
    & skf18("1","5","3","6","5","6","1") = "5"
    & skf18("1","5","3","6","5","7","1") = "6"
    & skf18("1","5","3","6","5","8","1") = "7"
    & skf18("1","5","3","6","5","9","1") = "8"
    & skf18("1","5","3","6","5","10","1") = "9"
    & skf18("1","5","3","6","6","1","1") = "5"
    & skf18("1","5","3","6","6","2","1") = "5"
    & skf18("1","5","3","6","6","3","1") = "5"
    & skf18("1","5","3","6","6","4","1") = "5"
    & skf18("1","5","3","6","6","5","1") = "5"
    & skf18("1","5","3","6","6","6","1") = "5"
    & skf18("1","5","3","6","6","7","1") = "6"
    & skf18("1","5","3","6","6","8","1") = "7"
    & skf18("1","5","3","6","6","9","1") = "8"
    & skf18("1","5","3","6","6","10","1") = "9"
    & skf18("1","5","3","6","7","1","1") = "6"
    & skf18("1","5","3","6","7","2","1") = "6"
    & skf18("1","5","3","6","7","3","1") = "6"
    & skf18("1","5","3","6","7","4","1") = "6"
    & skf18("1","5","3","6","7","5","1") = "6"
    & skf18("1","5","3","6","7","6","1") = "6"
    & skf18("1","5","3","6","7","7","1") = "6"
    & skf18("1","5","3","6","7","8","1") = "7"
    & skf18("1","5","3","6","7","9","1") = "8"
    & skf18("1","5","3","6","7","10","1") = "9"
    & skf18("1","5","3","6","8","1","1") = "7"
    & skf18("1","5","3","6","8","2","1") = "7"
    & skf18("1","5","3","6","8","3","1") = "7"
    & skf18("1","5","3","6","8","4","1") = "7"
    & skf18("1","5","3","6","8","5","1") = "7"
    & skf18("1","5","3","6","8","6","1") = "7"
    & skf18("1","5","3","6","8","7","1") = "7"
    & skf18("1","5","3","6","8","8","1") = "7"
    & skf18("1","5","3","6","8","9","1") = "8"
    & skf18("1","5","3","6","8","10","1") = "9"
    & skf18("1","5","3","6","9","1","1") = "8"
    & skf18("1","5","3","6","9","2","1") = "8"
    & skf18("1","5","3","6","9","3","1") = "8"
    & skf18("1","5","3","6","9","4","1") = "8"
    & skf18("1","5","3","6","9","5","1") = "8"
    & skf18("1","5","3","6","9","6","1") = "8"
    & skf18("1","5","3","6","9","7","1") = "8"
    & skf18("1","5","3","6","9","8","1") = "8"
    & skf18("1","5","3","6","9","9","1") = "8"
    & skf18("1","5","3","6","9","10","1") = "9"
    & skf18("1","5","3","6","10","1","1") = "9"
    & skf18("1","5","3","6","10","2","1") = "9"
    & skf18("1","5","3","6","10","3","1") = "9"
    & skf18("1","5","3","6","10","4","1") = "9"
    & skf18("1","5","3","6","10","5","1") = "9"
    & skf18("1","5","3","6","10","6","1") = "9"
    & skf18("1","5","3","6","10","7","1") = "9"
    & skf18("1","5","3","6","10","8","1") = "9"
    & skf18("1","5","3","6","10","9","1") = "9"
    & skf18("1","5","3","6","10","10","1") = "9"
    & skf18("1","5","3","7","1","1","1") = "6"
    & skf18("1","5","3","7","1","2","1") = "6"
    & skf18("1","5","3","7","1","3","1") = "6"
    & skf18("1","5","3","7","1","4","1") = "6"
    & skf18("1","5","3","7","1","5","1") = "6"
    & skf18("1","5","3","7","1","6","1") = "6"
    & skf18("1","5","3","7","1","7","1") = "6"
    & skf18("1","5","3","7","1","8","1") = "7"
    & skf18("1","5","3","7","1","9","1") = "8"
    & skf18("1","5","3","7","1","10","1") = "9"
    & skf18("1","5","3","7","2","1","1") = "6"
    & skf18("1","5","3","7","2","2","1") = "6"
    & skf18("1","5","3","7","2","3","1") = "6"
    & skf18("1","5","3","7","2","4","1") = "6"
    & skf18("1","5","3","7","2","5","1") = "6"
    & skf18("1","5","3","7","2","6","1") = "6"
    & skf18("1","5","3","7","2","7","1") = "6"
    & skf18("1","5","3","7","2","8","1") = "7"
    & skf18("1","5","3","7","2","9","1") = "8"
    & skf18("1","5","3","7","2","10","1") = "9"
    & skf18("1","5","3","7","3","1","1") = "6"
    & skf18("1","5","3","7","3","2","1") = "6"
    & skf18("1","5","3","7","3","3","1") = "6"
    & skf18("1","5","3","7","3","4","1") = "6"
    & skf18("1","5","3","7","3","5","1") = "6"
    & skf18("1","5","3","7","3","6","1") = "6"
    & skf18("1","5","3","7","3","7","1") = "6"
    & skf18("1","5","3","7","3","8","1") = "7"
    & skf18("1","5","3","7","3","9","1") = "8"
    & skf18("1","5","3","7","3","10","1") = "9"
    & skf18("1","5","3","7","4","1","1") = "6"
    & skf18("1","5","3","7","4","2","1") = "6"
    & skf18("1","5","3","7","4","3","1") = "6"
    & skf18("1","5","3","7","4","4","1") = "6"
    & skf18("1","5","3","7","4","5","1") = "6"
    & skf18("1","5","3","7","4","6","1") = "6"
    & skf18("1","5","3","7","4","7","1") = "6"
    & skf18("1","5","3","7","4","8","1") = "7"
    & skf18("1","5","3","7","4","9","1") = "8"
    & skf18("1","5","3","7","4","10","1") = "9"
    & skf18("1","5","3","7","5","1","1") = "6"
    & skf18("1","5","3","7","5","2","1") = "6"
    & skf18("1","5","3","7","5","3","1") = "6"
    & skf18("1","5","3","7","5","4","1") = "6"
    & skf18("1","5","3","7","5","5","1") = "6"
    & skf18("1","5","3","7","5","6","1") = "6"
    & skf18("1","5","3","7","5","7","1") = "6"
    & skf18("1","5","3","7","5","8","1") = "7"
    & skf18("1","5","3","7","5","9","1") = "8"
    & skf18("1","5","3","7","5","10","1") = "9"
    & skf18("1","5","3","7","6","1","1") = "6"
    & skf18("1","5","3","7","6","2","1") = "6"
    & skf18("1","5","3","7","6","3","1") = "6"
    & skf18("1","5","3","7","6","4","1") = "6"
    & skf18("1","5","3","7","6","5","1") = "6"
    & skf18("1","5","3","7","6","6","1") = "6"
    & skf18("1","5","3","7","6","7","1") = "6"
    & skf18("1","5","3","7","6","8","1") = "7"
    & skf18("1","5","3","7","6","9","1") = "8"
    & skf18("1","5","3","7","6","10","1") = "9"
    & skf18("1","5","3","7","7","1","1") = "6"
    & skf18("1","5","3","7","7","2","1") = "6"
    & skf18("1","5","3","7","7","3","1") = "6"
    & skf18("1","5","3","7","7","4","1") = "6"
    & skf18("1","5","3","7","7","5","1") = "6"
    & skf18("1","5","3","7","7","6","1") = "6"
    & skf18("1","5","3","7","7","7","1") = "6"
    & skf18("1","5","3","7","7","8","1") = "7"
    & skf18("1","5","3","7","7","9","1") = "8"
    & skf18("1","5","3","7","7","10","1") = "9"
    & skf18("1","5","3","7","8","1","1") = "7"
    & skf18("1","5","3","7","8","2","1") = "7"
    & skf18("1","5","3","7","8","3","1") = "7"
    & skf18("1","5","3","7","8","4","1") = "7"
    & skf18("1","5","3","7","8","5","1") = "7"
    & skf18("1","5","3","7","8","6","1") = "7"
    & skf18("1","5","3","7","8","7","1") = "7"
    & skf18("1","5","3","7","8","8","1") = "7"
    & skf18("1","5","3","7","8","9","1") = "8"
    & skf18("1","5","3","7","8","10","1") = "9"
    & skf18("1","5","3","7","9","1","1") = "8"
    & skf18("1","5","3","7","9","2","1") = "8"
    & skf18("1","5","3","7","9","3","1") = "8"
    & skf18("1","5","3","7","9","4","1") = "8"
    & skf18("1","5","3","7","9","5","1") = "8"
    & skf18("1","5","3","7","9","6","1") = "8"
    & skf18("1","5","3","7","9","7","1") = "8"
    & skf18("1","5","3","7","9","8","1") = "8"
    & skf18("1","5","3","7","9","9","1") = "8"
    & skf18("1","5","3","7","9","10","1") = "9"
    & skf18("1","5","3","7","10","1","1") = "9"
    & skf18("1","5","3","7","10","2","1") = "9"
    & skf18("1","5","3","7","10","3","1") = "9"
    & skf18("1","5","3","7","10","4","1") = "9"
    & skf18("1","5","3","7","10","5","1") = "9"
    & skf18("1","5","3","7","10","6","1") = "9"
    & skf18("1","5","3","7","10","7","1") = "9"
    & skf18("1","5","3","7","10","8","1") = "9"
    & skf18("1","5","3","7","10","9","1") = "9"
    & skf18("1","5","3","7","10","10","1") = "9"
    & skf18("1","5","3","8","1","1","1") = "7"
    & skf18("1","5","3","8","1","2","1") = "7"
    & skf18("1","5","3","8","1","3","1") = "7"
    & skf18("1","5","3","8","1","4","1") = "7"
    & skf18("1","5","3","8","1","5","1") = "7"
    & skf18("1","5","3","8","1","6","1") = "7"
    & skf18("1","5","3","8","1","7","1") = "7"
    & skf18("1","5","3","8","1","8","1") = "7"
    & skf18("1","5","3","8","1","9","1") = "8"
    & skf18("1","5","3","8","1","10","1") = "9"
    & skf18("1","5","3","8","2","1","1") = "7"
    & skf18("1","5","3","8","2","2","1") = "7"
    & skf18("1","5","3","8","2","3","1") = "7"
    & skf18("1","5","3","8","2","4","1") = "7"
    & skf18("1","5","3","8","2","5","1") = "7"
    & skf18("1","5","3","8","2","6","1") = "7"
    & skf18("1","5","3","8","2","7","1") = "7"
    & skf18("1","5","3","8","2","8","1") = "7"
    & skf18("1","5","3","8","2","9","1") = "8"
    & skf18("1","5","3","8","2","10","1") = "9"
    & skf18("1","5","3","8","3","1","1") = "7"
    & skf18("1","5","3","8","3","2","1") = "7"
    & skf18("1","5","3","8","3","3","1") = "7"
    & skf18("1","5","3","8","3","4","1") = "7"
    & skf18("1","5","3","8","3","5","1") = "7"
    & skf18("1","5","3","8","3","6","1") = "7"
    & skf18("1","5","3","8","3","7","1") = "7"
    & skf18("1","5","3","8","3","8","1") = "7"
    & skf18("1","5","3","8","3","9","1") = "8"
    & skf18("1","5","3","8","3","10","1") = "9"
    & skf18("1","5","3","8","4","1","1") = "7"
    & skf18("1","5","3","8","4","2","1") = "7"
    & skf18("1","5","3","8","4","3","1") = "7"
    & skf18("1","5","3","8","4","4","1") = "7"
    & skf18("1","5","3","8","4","5","1") = "7"
    & skf18("1","5","3","8","4","6","1") = "7"
    & skf18("1","5","3","8","4","7","1") = "7"
    & skf18("1","5","3","8","4","8","1") = "7"
    & skf18("1","5","3","8","4","9","1") = "8"
    & skf18("1","5","3","8","4","10","1") = "9"
    & skf18("1","5","3","8","5","1","1") = "7"
    & skf18("1","5","3","8","5","2","1") = "7"
    & skf18("1","5","3","8","5","3","1") = "7"
    & skf18("1","5","3","8","5","4","1") = "7"
    & skf18("1","5","3","8","5","5","1") = "7"
    & skf18("1","5","3","8","5","6","1") = "7"
    & skf18("1","5","3","8","5","7","1") = "7"
    & skf18("1","5","3","8","5","8","1") = "7"
    & skf18("1","5","3","8","5","9","1") = "8"
    & skf18("1","5","3","8","5","10","1") = "9"
    & skf18("1","5","3","8","6","1","1") = "7"
    & skf18("1","5","3","8","6","2","1") = "7"
    & skf18("1","5","3","8","6","3","1") = "7"
    & skf18("1","5","3","8","6","4","1") = "7"
    & skf18("1","5","3","8","6","5","1") = "7"
    & skf18("1","5","3","8","6","6","1") = "7"
    & skf18("1","5","3","8","6","7","1") = "7"
    & skf18("1","5","3","8","6","8","1") = "7"
    & skf18("1","5","3","8","6","9","1") = "8"
    & skf18("1","5","3","8","6","10","1") = "9"
    & skf18("1","5","3","8","7","1","1") = "7"
    & skf18("1","5","3","8","7","2","1") = "7"
    & skf18("1","5","3","8","7","3","1") = "7"
    & skf18("1","5","3","8","7","4","1") = "7"
    & skf18("1","5","3","8","7","5","1") = "7"
    & skf18("1","5","3","8","7","6","1") = "7"
    & skf18("1","5","3","8","7","7","1") = "7"
    & skf18("1","5","3","8","7","8","1") = "7"
    & skf18("1","5","3","8","7","9","1") = "8"
    & skf18("1","5","3","8","7","10","1") = "9"
    & skf18("1","5","3","8","8","1","1") = "7"
    & skf18("1","5","3","8","8","2","1") = "7"
    & skf18("1","5","3","8","8","3","1") = "7"
    & skf18("1","5","3","8","8","4","1") = "7"
    & skf18("1","5","3","8","8","5","1") = "7"
    & skf18("1","5","3","8","8","6","1") = "7"
    & skf18("1","5","3","8","8","7","1") = "7"
    & skf18("1","5","3","8","8","8","1") = "7"
    & skf18("1","5","3","8","8","9","1") = "8"
    & skf18("1","5","3","8","8","10","1") = "9"
    & skf18("1","5","3","8","9","1","1") = "8"
    & skf18("1","5","3","8","9","2","1") = "8"
    & skf18("1","5","3","8","9","3","1") = "8"
    & skf18("1","5","3","8","9","4","1") = "8"
    & skf18("1","5","3","8","9","5","1") = "8"
    & skf18("1","5","3","8","9","6","1") = "8"
    & skf18("1","5","3","8","9","7","1") = "8"
    & skf18("1","5","3","8","9","8","1") = "8"
    & skf18("1","5","3","8","9","9","1") = "8"
    & skf18("1","5","3","8","9","10","1") = "9"
    & skf18("1","5","3","8","10","1","1") = "9"
    & skf18("1","5","3","8","10","2","1") = "9"
    & skf18("1","5","3","8","10","3","1") = "9"
    & skf18("1","5","3","8","10","4","1") = "9"
    & skf18("1","5","3","8","10","5","1") = "9"
    & skf18("1","5","3","8","10","6","1") = "9"
    & skf18("1","5","3","8","10","7","1") = "9"
    & skf18("1","5","3","8","10","8","1") = "9"
    & skf18("1","5","3","8","10","9","1") = "9"
    & skf18("1","5","3","8","10","10","1") = "9"
    & skf18("1","5","3","9","1","1","1") = "8"
    & skf18("1","5","3","9","1","2","1") = "8"
    & skf18("1","5","3","9","1","3","1") = "8"
    & skf18("1","5","3","9","1","4","1") = "8"
    & skf18("1","5","3","9","1","5","1") = "8"
    & skf18("1","5","3","9","1","6","1") = "8"
    & skf18("1","5","3","9","1","7","1") = "8"
    & skf18("1","5","3","9","1","8","1") = "8"
    & skf18("1","5","3","9","1","9","1") = "8"
    & skf18("1","5","3","9","1","10","1") = "9"
    & skf18("1","5","3","9","2","1","1") = "8"
    & skf18("1","5","3","9","2","2","1") = "8"
    & skf18("1","5","3","9","2","3","1") = "8"
    & skf18("1","5","3","9","2","4","1") = "8"
    & skf18("1","5","3","9","2","5","1") = "8"
    & skf18("1","5","3","9","2","6","1") = "8"
    & skf18("1","5","3","9","2","7","1") = "8"
    & skf18("1","5","3","9","2","8","1") = "8"
    & skf18("1","5","3","9","2","9","1") = "8"
    & skf18("1","5","3","9","2","10","1") = "9"
    & skf18("1","5","3","9","3","1","1") = "8"
    & skf18("1","5","3","9","3","2","1") = "8"
    & skf18("1","5","3","9","3","3","1") = "8"
    & skf18("1","5","3","9","3","4","1") = "8"
    & skf18("1","5","3","9","3","5","1") = "8"
    & skf18("1","5","3","9","3","6","1") = "8"
    & skf18("1","5","3","9","3","7","1") = "8"
    & skf18("1","5","3","9","3","8","1") = "8"
    & skf18("1","5","3","9","3","9","1") = "8"
    & skf18("1","5","3","9","3","10","1") = "9"
    & skf18("1","5","3","9","4","1","1") = "8"
    & skf18("1","5","3","9","4","2","1") = "8"
    & skf18("1","5","3","9","4","3","1") = "8"
    & skf18("1","5","3","9","4","4","1") = "8"
    & skf18("1","5","3","9","4","5","1") = "8"
    & skf18("1","5","3","9","4","6","1") = "8"
    & skf18("1","5","3","9","4","7","1") = "8"
    & skf18("1","5","3","9","4","8","1") = "8"
    & skf18("1","5","3","9","4","9","1") = "8"
    & skf18("1","5","3","9","4","10","1") = "9"
    & skf18("1","5","3","9","5","1","1") = "8"
    & skf18("1","5","3","9","5","2","1") = "8"
    & skf18("1","5","3","9","5","3","1") = "8"
    & skf18("1","5","3","9","5","4","1") = "8"
    & skf18("1","5","3","9","5","5","1") = "8"
    & skf18("1","5","3","9","5","6","1") = "8"
    & skf18("1","5","3","9","5","7","1") = "8"
    & skf18("1","5","3","9","5","8","1") = "8"
    & skf18("1","5","3","9","5","9","1") = "8"
    & skf18("1","5","3","9","5","10","1") = "9"
    & skf18("1","5","3","9","6","1","1") = "8"
    & skf18("1","5","3","9","6","2","1") = "8"
    & skf18("1","5","3","9","6","3","1") = "8"
    & skf18("1","5","3","9","6","4","1") = "8"
    & skf18("1","5","3","9","6","5","1") = "8"
    & skf18("1","5","3","9","6","6","1") = "8"
    & skf18("1","5","3","9","6","7","1") = "8"
    & skf18("1","5","3","9","6","8","1") = "8"
    & skf18("1","5","3","9","6","9","1") = "8"
    & skf18("1","5","3","9","6","10","1") = "9"
    & skf18("1","5","3","9","7","1","1") = "8"
    & skf18("1","5","3","9","7","2","1") = "8"
    & skf18("1","5","3","9","7","3","1") = "8"
    & skf18("1","5","3","9","7","4","1") = "8"
    & skf18("1","5","3","9","7","5","1") = "8"
    & skf18("1","5","3","9","7","6","1") = "8"
    & skf18("1","5","3","9","7","7","1") = "8"
    & skf18("1","5","3","9","7","8","1") = "8"
    & skf18("1","5","3","9","7","9","1") = "8"
    & skf18("1","5","3","9","7","10","1") = "9"
    & skf18("1","5","3","9","8","1","1") = "8"
    & skf18("1","5","3","9","8","2","1") = "8"
    & skf18("1","5","3","9","8","3","1") = "8"
    & skf18("1","5","3","9","8","4","1") = "8"
    & skf18("1","5","3","9","8","5","1") = "8"
    & skf18("1","5","3","9","8","6","1") = "8"
    & skf18("1","5","3","9","8","7","1") = "8"
    & skf18("1","5","3","9","8","8","1") = "8"
    & skf18("1","5","3","9","8","9","1") = "8"
    & skf18("1","5","3","9","8","10","1") = "9"
    & skf18("1","5","3","9","9","1","1") = "8"
    & skf18("1","5","3","9","9","2","1") = "8"
    & skf18("1","5","3","9","9","3","1") = "8"
    & skf18("1","5","3","9","9","4","1") = "8"
    & skf18("1","5","3","9","9","5","1") = "8"
    & skf18("1","5","3","9","9","6","1") = "8"
    & skf18("1","5","3","9","9","7","1") = "8"
    & skf18("1","5","3","9","9","8","1") = "8"
    & skf18("1","5","3","9","9","9","1") = "8"
    & skf18("1","5","3","9","9","10","1") = "9"
    & skf18("1","5","3","9","10","1","1") = "9"
    & skf18("1","5","3","9","10","2","1") = "9"
    & skf18("1","5","3","9","10","3","1") = "9"
    & skf18("1","5","3","9","10","4","1") = "9"
    & skf18("1","5","3","9","10","5","1") = "9"
    & skf18("1","5","3","9","10","6","1") = "9"
    & skf18("1","5","3","9","10","7","1") = "9"
    & skf18("1","5","3","9","10","8","1") = "9"
    & skf18("1","5","3","9","10","9","1") = "9"
    & skf18("1","5","3","9","10","10","1") = "9"
    & skf18("1","5","3","10","1","1","1") = "9"
    & skf18("1","5","3","10","1","2","1") = "9"
    & skf18("1","5","3","10","1","3","1") = "9"
    & skf18("1","5","3","10","1","4","1") = "9"
    & skf18("1","5","3","10","1","5","1") = "9"
    & skf18("1","5","3","10","1","6","1") = "9"
    & skf18("1","5","3","10","1","7","1") = "9"
    & skf18("1","5","3","10","1","8","1") = "9"
    & skf18("1","5","3","10","1","9","1") = "9"
    & skf18("1","5","3","10","1","10","1") = "9"
    & skf18("1","5","3","10","2","1","1") = "9"
    & skf18("1","5","3","10","2","2","1") = "9"
    & skf18("1","5","3","10","2","3","1") = "9"
    & skf18("1","5","3","10","2","4","1") = "9"
    & skf18("1","5","3","10","2","5","1") = "9"
    & skf18("1","5","3","10","2","6","1") = "9"
    & skf18("1","5","3","10","2","7","1") = "9"
    & skf18("1","5","3","10","2","8","1") = "9"
    & skf18("1","5","3","10","2","9","1") = "9"
    & skf18("1","5","3","10","2","10","1") = "9"
    & skf18("1","5","3","10","3","1","1") = "9"
    & skf18("1","5","3","10","3","2","1") = "9"
    & skf18("1","5","3","10","3","3","1") = "9"
    & skf18("1","5","3","10","3","4","1") = "9"
    & skf18("1","5","3","10","3","5","1") = "9"
    & skf18("1","5","3","10","3","6","1") = "9"
    & skf18("1","5","3","10","3","7","1") = "9"
    & skf18("1","5","3","10","3","8","1") = "9"
    & skf18("1","5","3","10","3","9","1") = "9"
    & skf18("1","5","3","10","3","10","1") = "9"
    & skf18("1","5","3","10","4","1","1") = "9"
    & skf18("1","5","3","10","4","2","1") = "9"
    & skf18("1","5","3","10","4","3","1") = "9"
    & skf18("1","5","3","10","4","4","1") = "9"
    & skf18("1","5","3","10","4","5","1") = "9"
    & skf18("1","5","3","10","4","6","1") = "9"
    & skf18("1","5","3","10","4","7","1") = "9"
    & skf18("1","5","3","10","4","8","1") = "9"
    & skf18("1","5","3","10","4","9","1") = "9"
    & skf18("1","5","3","10","4","10","1") = "9"
    & skf18("1","5","3","10","5","1","1") = "9"
    & skf18("1","5","3","10","5","2","1") = "9"
    & skf18("1","5","3","10","5","3","1") = "9"
    & skf18("1","5","3","10","5","4","1") = "9"
    & skf18("1","5","3","10","5","5","1") = "9"
    & skf18("1","5","3","10","5","6","1") = "9"
    & skf18("1","5","3","10","5","7","1") = "9"
    & skf18("1","5","3","10","5","8","1") = "9"
    & skf18("1","5","3","10","5","9","1") = "9"
    & skf18("1","5","3","10","5","10","1") = "9"
    & skf18("1","5","3","10","6","1","1") = "9"
    & skf18("1","5","3","10","6","2","1") = "9"
    & skf18("1","5","3","10","6","3","1") = "9"
    & skf18("1","5","3","10","6","4","1") = "9"
    & skf18("1","5","3","10","6","5","1") = "9"
    & skf18("1","5","3","10","6","6","1") = "9"
    & skf18("1","5","3","10","6","7","1") = "9"
    & skf18("1","5","3","10","6","8","1") = "9"
    & skf18("1","5","3","10","6","9","1") = "9"
    & skf18("1","5","3","10","6","10","1") = "9"
    & skf18("1","5","3","10","7","1","1") = "9"
    & skf18("1","5","3","10","7","2","1") = "9"
    & skf18("1","5","3","10","7","3","1") = "9"
    & skf18("1","5","3","10","7","4","1") = "9"
    & skf18("1","5","3","10","7","5","1") = "9"
    & skf18("1","5","3","10","7","6","1") = "9"
    & skf18("1","5","3","10","7","7","1") = "9"
    & skf18("1","5","3","10","7","8","1") = "9"
    & skf18("1","5","3","10","7","9","1") = "9"
    & skf18("1","5","3","10","7","10","1") = "9"
    & skf18("1","5","3","10","8","1","1") = "9"
    & skf18("1","5","3","10","8","2","1") = "9"
    & skf18("1","5","3","10","8","3","1") = "9"
    & skf18("1","5","3","10","8","4","1") = "9"
    & skf18("1","5","3","10","8","5","1") = "9"
    & skf18("1","5","3","10","8","6","1") = "9"
    & skf18("1","5","3","10","8","7","1") = "9"
    & skf18("1","5","3","10","8","8","1") = "9"
    & skf18("1","5","3","10","8","9","1") = "9"
    & skf18("1","5","3","10","8","10","1") = "9"
    & skf18("1","5","3","10","9","1","1") = "9"
    & skf18("1","5","3","10","9","2","1") = "9"
    & skf18("1","5","3","10","9","3","1") = "9"
    & skf18("1","5","3","10","9","4","1") = "9"
    & skf18("1","5","3","10","9","5","1") = "9"
    & skf18("1","5","3","10","9","6","1") = "9"
    & skf18("1","5","3","10","9","7","1") = "9"
    & skf18("1","5","3","10","9","8","1") = "9"
    & skf18("1","5","3","10","9","9","1") = "9"
    & skf18("1","5","3","10","9","10","1") = "9"
    & skf18("1","5","3","10","10","1","1") = "9"
    & skf18("1","5","3","10","10","2","1") = "9"
    & skf18("1","5","3","10","10","3","1") = "9"
    & skf18("1","5","3","10","10","4","1") = "9"
    & skf18("1","5","3","10","10","5","1") = "9"
    & skf18("1","5","3","10","10","6","1") = "9"
    & skf18("1","5","3","10","10","7","1") = "9"
    & skf18("1","5","3","10","10","8","1") = "9"
    & skf18("1","5","3","10","10","9","1") = "9"
    & skf18("1","5","3","10","10","10","1") = "9"
    & skf18("1","5","4","1","1","1","1") = "4"
    & skf18("1","5","4","1","1","2","1") = "4"
    & skf18("1","5","4","1","1","3","1") = "4"
    & skf18("1","5","4","1","1","4","1") = "4"
    & skf18("1","5","4","1","1","5","1") = "4"
    & skf18("1","5","4","1","1","6","1") = "5"
    & skf18("1","5","4","1","1","7","1") = "6"
    & skf18("1","5","4","1","1","8","1") = "7"
    & skf18("1","5","4","1","1","9","1") = "8"
    & skf18("1","5","4","1","1","10","1") = "9"
    & skf18("1","5","4","1","2","1","1") = "4"
    & skf18("1","5","4","1","2","2","1") = "4"
    & skf18("1","5","4","1","2","3","1") = "4"
    & skf18("1","5","4","1","2","4","1") = "4"
    & skf18("1","5","4","1","2","5","1") = "4"
    & skf18("1","5","4","1","2","6","1") = "5"
    & skf18("1","5","4","1","2","7","1") = "6"
    & skf18("1","5","4","1","2","8","1") = "7"
    & skf18("1","5","4","1","2","9","1") = "8"
    & skf18("1","5","4","1","2","10","1") = "9"
    & skf18("1","5","4","1","3","1","1") = "4"
    & skf18("1","5","4","1","3","2","1") = "4"
    & skf18("1","5","4","1","3","3","1") = "4"
    & skf18("1","5","4","1","3","4","1") = "4"
    & skf18("1","5","4","1","3","5","1") = "4"
    & skf18("1","5","4","1","3","6","1") = "5"
    & skf18("1","5","4","1","3","7","1") = "6"
    & skf18("1","5","4","1","3","8","1") = "7"
    & skf18("1","5","4","1","3","9","1") = "8"
    & skf18("1","5","4","1","3","10","1") = "9"
    & skf18("1","5","4","1","4","1","1") = "4"
    & skf18("1","5","4","1","4","2","1") = "4"
    & skf18("1","5","4","1","4","3","1") = "4"
    & skf18("1","5","4","1","4","4","1") = "4"
    & skf18("1","5","4","1","4","5","1") = "4"
    & skf18("1","5","4","1","4","6","1") = "5"
    & skf18("1","5","4","1","4","7","1") = "6"
    & skf18("1","5","4","1","4","8","1") = "7"
    & skf18("1","5","4","1","4","9","1") = "8"
    & skf18("1","5","4","1","4","10","1") = "9"
    & skf18("1","5","4","1","5","1","1") = "4"
    & skf18("1","5","4","1","5","2","1") = "4"
    & skf18("1","5","4","1","5","3","1") = "4"
    & skf18("1","5","4","1","5","4","1") = "4"
    & skf18("1","5","4","1","5","5","1") = "4"
    & skf18("1","5","4","1","5","6","1") = "5"
    & skf18("1","5","4","1","5","7","1") = "6"
    & skf18("1","5","4","1","5","8","1") = "7"
    & skf18("1","5","4","1","5","9","1") = "8"
    & skf18("1","5","4","1","5","10","1") = "9"
    & skf18("1","5","4","1","6","1","1") = "5"
    & skf18("1","5","4","1","6","2","1") = "5"
    & skf18("1","5","4","1","6","3","1") = "5"
    & skf18("1","5","4","1","6","4","1") = "5"
    & skf18("1","5","4","1","6","5","1") = "5"
    & skf18("1","5","4","1","6","6","1") = "5"
    & skf18("1","5","4","1","6","7","1") = "6"
    & skf18("1","5","4","1","6","8","1") = "7"
    & skf18("1","5","4","1","6","9","1") = "8"
    & skf18("1","5","4","1","6","10","1") = "9"
    & skf18("1","5","4","1","7","1","1") = "6"
    & skf18("1","5","4","1","7","2","1") = "6"
    & skf18("1","5","4","1","7","3","1") = "6"
    & skf18("1","5","4","1","7","4","1") = "6"
    & skf18("1","5","4","1","7","5","1") = "6"
    & skf18("1","5","4","1","7","6","1") = "6"
    & skf18("1","5","4","1","7","7","1") = "6"
    & skf18("1","5","4","1","7","8","1") = "7"
    & skf18("1","5","4","1","7","9","1") = "8"
    & skf18("1","5","4","1","7","10","1") = "9"
    & skf18("1","5","4","1","8","1","1") = "7"
    & skf18("1","5","4","1","8","2","1") = "7"
    & skf18("1","5","4","1","8","3","1") = "7"
    & skf18("1","5","4","1","8","4","1") = "7"
    & skf18("1","5","4","1","8","5","1") = "7"
    & skf18("1","5","4","1","8","6","1") = "7"
    & skf18("1","5","4","1","8","7","1") = "7"
    & skf18("1","5","4","1","8","8","1") = "7"
    & skf18("1","5","4","1","8","9","1") = "8"
    & skf18("1","5","4","1","8","10","1") = "9"
    & skf18("1","5","4","1","9","1","1") = "8"
    & skf18("1","5","4","1","9","2","1") = "8"
    & skf18("1","5","4","1","9","3","1") = "8"
    & skf18("1","5","4","1","9","4","1") = "8"
    & skf18("1","5","4","1","9","5","1") = "8"
    & skf18("1","5","4","1","9","6","1") = "8"
    & skf18("1","5","4","1","9","7","1") = "8"
    & skf18("1","5","4","1","9","8","1") = "8"
    & skf18("1","5","4","1","9","9","1") = "8"
    & skf18("1","5","4","1","9","10","1") = "9"
    & skf18("1","5","4","1","10","1","1") = "9"
    & skf18("1","5","4","1","10","2","1") = "9"
    & skf18("1","5","4","1","10","3","1") = "9"
    & skf18("1","5","4","1","10","4","1") = "9"
    & skf18("1","5","4","1","10","5","1") = "9"
    & skf18("1","5","4","1","10","6","1") = "9"
    & skf18("1","5","4","1","10","7","1") = "9"
    & skf18("1","5","4","1","10","8","1") = "9"
    & skf18("1","5","4","1","10","9","1") = "9"
    & skf18("1","5","4","1","10","10","1") = "9"
    & skf18("1","5","4","2","1","1","1") = "4"
    & skf18("1","5","4","2","1","2","1") = "4"
    & skf18("1","5","4","2","1","3","1") = "4"
    & skf18("1","5","4","2","1","4","1") = "4"
    & skf18("1","5","4","2","1","5","1") = "4"
    & skf18("1","5","4","2","1","6","1") = "5"
    & skf18("1","5","4","2","1","7","1") = "6"
    & skf18("1","5","4","2","1","8","1") = "7"
    & skf18("1","5","4","2","1","9","1") = "8"
    & skf18("1","5","4","2","1","10","1") = "9"
    & skf18("1","5","4","2","2","1","1") = "4"
    & skf18("1","5","4","2","2","2","1") = "4"
    & skf18("1","5","4","2","2","3","1") = "4"
    & skf18("1","5","4","2","2","4","1") = "4"
    & skf18("1","5","4","2","2","5","1") = "4"
    & skf18("1","5","4","2","2","6","1") = "5"
    & skf18("1","5","4","2","2","7","1") = "6"
    & skf18("1","5","4","2","2","8","1") = "7"
    & skf18("1","5","4","2","2","9","1") = "8"
    & skf18("1","5","4","2","2","10","1") = "9"
    & skf18("1","5","4","2","3","1","1") = "4"
    & skf18("1","5","4","2","3","2","1") = "4"
    & skf18("1","5","4","2","3","3","1") = "4"
    & skf18("1","5","4","2","3","4","1") = "4"
    & skf18("1","5","4","2","3","5","1") = "4"
    & skf18("1","5","4","2","3","6","1") = "5"
    & skf18("1","5","4","2","3","7","1") = "6"
    & skf18("1","5","4","2","3","8","1") = "7"
    & skf18("1","5","4","2","3","9","1") = "8"
    & skf18("1","5","4","2","3","10","1") = "9"
    & skf18("1","5","4","2","4","1","1") = "4"
    & skf18("1","5","4","2","4","2","1") = "4"
    & skf18("1","5","4","2","4","3","1") = "4"
    & skf18("1","5","4","2","4","4","1") = "4"
    & skf18("1","5","4","2","4","5","1") = "4"
    & skf18("1","5","4","2","4","6","1") = "5"
    & skf18("1","5","4","2","4","7","1") = "6"
    & skf18("1","5","4","2","4","8","1") = "7"
    & skf18("1","5","4","2","4","9","1") = "8"
    & skf18("1","5","4","2","4","10","1") = "9"
    & skf18("1","5","4","2","5","1","1") = "4"
    & skf18("1","5","4","2","5","2","1") = "4"
    & skf18("1","5","4","2","5","3","1") = "4"
    & skf18("1","5","4","2","5","4","1") = "4"
    & skf18("1","5","4","2","5","5","1") = "4"
    & skf18("1","5","4","2","5","6","1") = "5"
    & skf18("1","5","4","2","5","7","1") = "6"
    & skf18("1","5","4","2","5","8","1") = "7"
    & skf18("1","5","4","2","5","9","1") = "8"
    & skf18("1","5","4","2","5","10","1") = "9"
    & skf18("1","5","4","2","6","1","1") = "5"
    & skf18("1","5","4","2","6","2","1") = "5"
    & skf18("1","5","4","2","6","3","1") = "5"
    & skf18("1","5","4","2","6","4","1") = "5"
    & skf18("1","5","4","2","6","5","1") = "5"
    & skf18("1","5","4","2","6","6","1") = "5"
    & skf18("1","5","4","2","6","7","1") = "6"
    & skf18("1","5","4","2","6","8","1") = "7"
    & skf18("1","5","4","2","6","9","1") = "8"
    & skf18("1","5","4","2","6","10","1") = "9"
    & skf18("1","5","4","2","7","1","1") = "6"
    & skf18("1","5","4","2","7","2","1") = "6"
    & skf18("1","5","4","2","7","3","1") = "6"
    & skf18("1","5","4","2","7","4","1") = "6"
    & skf18("1","5","4","2","7","5","1") = "6"
    & skf18("1","5","4","2","7","6","1") = "6"
    & skf18("1","5","4","2","7","7","1") = "6"
    & skf18("1","5","4","2","7","8","1") = "7"
    & skf18("1","5","4","2","7","9","1") = "8"
    & skf18("1","5","4","2","7","10","1") = "9"
    & skf18("1","5","4","2","8","1","1") = "7"
    & skf18("1","5","4","2","8","2","1") = "7"
    & skf18("1","5","4","2","8","3","1") = "7"
    & skf18("1","5","4","2","8","4","1") = "7"
    & skf18("1","5","4","2","8","5","1") = "7"
    & skf18("1","5","4","2","8","6","1") = "7"
    & skf18("1","5","4","2","8","7","1") = "7"
    & skf18("1","5","4","2","8","8","1") = "7"
    & skf18("1","5","4","2","8","9","1") = "8"
    & skf18("1","5","4","2","8","10","1") = "9"
    & skf18("1","5","4","2","9","1","1") = "8"
    & skf18("1","5","4","2","9","2","1") = "8"
    & skf18("1","5","4","2","9","3","1") = "8"
    & skf18("1","5","4","2","9","4","1") = "8"
    & skf18("1","5","4","2","9","5","1") = "8"
    & skf18("1","5","4","2","9","6","1") = "8"
    & skf18("1","5","4","2","9","7","1") = "8"
    & skf18("1","5","4","2","9","8","1") = "8"
    & skf18("1","5","4","2","9","9","1") = "8"
    & skf18("1","5","4","2","9","10","1") = "9"
    & skf18("1","5","4","2","10","1","1") = "9"
    & skf18("1","5","4","2","10","2","1") = "9"
    & skf18("1","5","4","2","10","3","1") = "9"
    & skf18("1","5","4","2","10","4","1") = "9"
    & skf18("1","5","4","2","10","5","1") = "9"
    & skf18("1","5","4","2","10","6","1") = "9"
    & skf18("1","5","4","2","10","7","1") = "9"
    & skf18("1","5","4","2","10","8","1") = "9"
    & skf18("1","5","4","2","10","9","1") = "9"
    & skf18("1","5","4","2","10","10","1") = "9"
    & skf18("1","5","4","3","1","1","1") = "4"
    & skf18("1","5","4","3","1","2","1") = "4"
    & skf18("1","5","4","3","1","3","1") = "4"
    & skf18("1","5","4","3","1","4","1") = "4"
    & skf18("1","5","4","3","1","5","1") = "4"
    & skf18("1","5","4","3","1","6","1") = "5"
    & skf18("1","5","4","3","1","7","1") = "6"
    & skf18("1","5","4","3","1","8","1") = "7"
    & skf18("1","5","4","3","1","9","1") = "8"
    & skf18("1","5","4","3","1","10","1") = "9"
    & skf18("1","5","4","3","2","1","1") = "4"
    & skf18("1","5","4","3","2","2","1") = "4"
    & skf18("1","5","4","3","2","3","1") = "4"
    & skf18("1","5","4","3","2","4","1") = "4"
    & skf18("1","5","4","3","2","5","1") = "4"
    & skf18("1","5","4","3","2","6","1") = "5"
    & skf18("1","5","4","3","2","7","1") = "6"
    & skf18("1","5","4","3","2","8","1") = "7"
    & skf18("1","5","4","3","2","9","1") = "8"
    & skf18("1","5","4","3","2","10","1") = "9"
    & skf18("1","5","4","3","3","1","1") = "4"
    & skf18("1","5","4","3","3","2","1") = "4"
    & skf18("1","5","4","3","3","3","1") = "4"
    & skf18("1","5","4","3","3","4","1") = "4"
    & skf18("1","5","4","3","3","5","1") = "4"
    & skf18("1","5","4","3","3","6","1") = "5"
    & skf18("1","5","4","3","3","7","1") = "6"
    & skf18("1","5","4","3","3","8","1") = "7"
    & skf18("1","5","4","3","3","9","1") = "8"
    & skf18("1","5","4","3","3","10","1") = "9"
    & skf18("1","5","4","3","4","1","1") = "4"
    & skf18("1","5","4","3","4","2","1") = "4"
    & skf18("1","5","4","3","4","3","1") = "4"
    & skf18("1","5","4","3","4","4","1") = "4"
    & skf18("1","5","4","3","4","5","1") = "4"
    & skf18("1","5","4","3","4","6","1") = "5"
    & skf18("1","5","4","3","4","7","1") = "6"
    & skf18("1","5","4","3","4","8","1") = "7"
    & skf18("1","5","4","3","4","9","1") = "8"
    & skf18("1","5","4","3","4","10","1") = "9"
    & skf18("1","5","4","3","5","1","1") = "4"
    & skf18("1","5","4","3","5","2","1") = "4"
    & skf18("1","5","4","3","5","3","1") = "4"
    & skf18("1","5","4","3","5","4","1") = "4"
    & skf18("1","5","4","3","5","5","1") = "4"
    & skf18("1","5","4","3","5","6","1") = "5"
    & skf18("1","5","4","3","5","7","1") = "6"
    & skf18("1","5","4","3","5","8","1") = "7"
    & skf18("1","5","4","3","5","9","1") = "8"
    & skf18("1","5","4","3","5","10","1") = "9"
    & skf18("1","5","4","3","6","1","1") = "5"
    & skf18("1","5","4","3","6","2","1") = "5"
    & skf18("1","5","4","3","6","3","1") = "5"
    & skf18("1","5","4","3","6","4","1") = "5"
    & skf18("1","5","4","3","6","5","1") = "5"
    & skf18("1","5","4","3","6","6","1") = "5"
    & skf18("1","5","4","3","6","7","1") = "6"
    & skf18("1","5","4","3","6","8","1") = "7"
    & skf18("1","5","4","3","6","9","1") = "8"
    & skf18("1","5","4","3","6","10","1") = "9"
    & skf18("1","5","4","3","7","1","1") = "6"
    & skf18("1","5","4","3","7","2","1") = "6"
    & skf18("1","5","4","3","7","3","1") = "6"
    & skf18("1","5","4","3","7","4","1") = "6"
    & skf18("1","5","4","3","7","5","1") = "6"
    & skf18("1","5","4","3","7","6","1") = "6"
    & skf18("1","5","4","3","7","7","1") = "6"
    & skf18("1","5","4","3","7","8","1") = "7"
    & skf18("1","5","4","3","7","9","1") = "8"
    & skf18("1","5","4","3","7","10","1") = "9"
    & skf18("1","5","4","3","8","1","1") = "7"
    & skf18("1","5","4","3","8","2","1") = "7"
    & skf18("1","5","4","3","8","3","1") = "7"
    & skf18("1","5","4","3","8","4","1") = "7"
    & skf18("1","5","4","3","8","5","1") = "7"
    & skf18("1","5","4","3","8","6","1") = "7"
    & skf18("1","5","4","3","8","7","1") = "7"
    & skf18("1","5","4","3","8","8","1") = "7"
    & skf18("1","5","4","3","8","9","1") = "8"
    & skf18("1","5","4","3","8","10","1") = "9"
    & skf18("1","5","4","3","9","1","1") = "8"
    & skf18("1","5","4","3","9","2","1") = "8"
    & skf18("1","5","4","3","9","3","1") = "8"
    & skf18("1","5","4","3","9","4","1") = "8"
    & skf18("1","5","4","3","9","5","1") = "8"
    & skf18("1","5","4","3","9","6","1") = "8"
    & skf18("1","5","4","3","9","7","1") = "8"
    & skf18("1","5","4","3","9","8","1") = "8"
    & skf18("1","5","4","3","9","9","1") = "8"
    & skf18("1","5","4","3","9","10","1") = "9"
    & skf18("1","5","4","3","10","1","1") = "9"
    & skf18("1","5","4","3","10","2","1") = "9"
    & skf18("1","5","4","3","10","3","1") = "9"
    & skf18("1","5","4","3","10","4","1") = "9"
    & skf18("1","5","4","3","10","5","1") = "9"
    & skf18("1","5","4","3","10","6","1") = "9"
    & skf18("1","5","4","3","10","7","1") = "9"
    & skf18("1","5","4","3","10","8","1") = "9"
    & skf18("1","5","4","3","10","9","1") = "9"
    & skf18("1","5","4","3","10","10","1") = "9"
    & skf18("1","5","4","4","1","1","1") = "4"
    & skf18("1","5","4","4","1","2","1") = "4"
    & skf18("1","5","4","4","1","3","1") = "4"
    & skf18("1","5","4","4","1","4","1") = "4"
    & skf18("1","5","4","4","1","5","1") = "4"
    & skf18("1","5","4","4","1","6","1") = "5"
    & skf18("1","5","4","4","1","7","1") = "6"
    & skf18("1","5","4","4","1","8","1") = "7"
    & skf18("1","5","4","4","1","9","1") = "8"
    & skf18("1","5","4","4","1","10","1") = "9"
    & skf18("1","5","4","4","2","1","1") = "4"
    & skf18("1","5","4","4","2","2","1") = "4"
    & skf18("1","5","4","4","2","3","1") = "4"
    & skf18("1","5","4","4","2","4","1") = "4"
    & skf18("1","5","4","4","2","5","1") = "4"
    & skf18("1","5","4","4","2","6","1") = "5"
    & skf18("1","5","4","4","2","7","1") = "6"
    & skf18("1","5","4","4","2","8","1") = "7"
    & skf18("1","5","4","4","2","9","1") = "8"
    & skf18("1","5","4","4","2","10","1") = "9"
    & skf18("1","5","4","4","3","1","1") = "4"
    & skf18("1","5","4","4","3","2","1") = "4"
    & skf18("1","5","4","4","3","3","1") = "4"
    & skf18("1","5","4","4","3","4","1") = "4"
    & skf18("1","5","4","4","3","5","1") = "4"
    & skf18("1","5","4","4","3","6","1") = "5"
    & skf18("1","5","4","4","3","7","1") = "6"
    & skf18("1","5","4","4","3","8","1") = "7"
    & skf18("1","5","4","4","3","9","1") = "8"
    & skf18("1","5","4","4","3","10","1") = "9"
    & skf18("1","5","4","4","4","1","1") = "4"
    & skf18("1","5","4","4","4","2","1") = "4"
    & skf18("1","5","4","4","4","3","1") = "4"
    & skf18("1","5","4","4","4","4","1") = "4"
    & skf18("1","5","4","4","4","5","1") = "4"
    & skf18("1","5","4","4","4","6","1") = "5"
    & skf18("1","5","4","4","4","7","1") = "6"
    & skf18("1","5","4","4","4","8","1") = "7"
    & skf18("1","5","4","4","4","9","1") = "8"
    & skf18("1","5","4","4","4","10","1") = "9"
    & skf18("1","5","4","4","5","1","1") = "4"
    & skf18("1","5","4","4","5","2","1") = "4"
    & skf18("1","5","4","4","5","3","1") = "4"
    & skf18("1","5","4","4","5","4","1") = "4"
    & skf18("1","5","4","4","5","5","1") = "4"
    & skf18("1","5","4","4","5","6","1") = "5"
    & skf18("1","5","4","4","5","7","1") = "6"
    & skf18("1","5","4","4","5","8","1") = "7"
    & skf18("1","5","4","4","5","9","1") = "8"
    & skf18("1","5","4","4","5","10","1") = "9"
    & skf18("1","5","4","4","6","1","1") = "5"
    & skf18("1","5","4","4","6","2","1") = "5"
    & skf18("1","5","4","4","6","3","1") = "5"
    & skf18("1","5","4","4","6","4","1") = "5"
    & skf18("1","5","4","4","6","5","1") = "5"
    & skf18("1","5","4","4","6","6","1") = "5"
    & skf18("1","5","4","4","6","7","1") = "6"
    & skf18("1","5","4","4","6","8","1") = "7"
    & skf18("1","5","4","4","6","9","1") = "8"
    & skf18("1","5","4","4","6","10","1") = "9"
    & skf18("1","5","4","4","7","1","1") = "6"
    & skf18("1","5","4","4","7","2","1") = "6"
    & skf18("1","5","4","4","7","3","1") = "6"
    & skf18("1","5","4","4","7","4","1") = "6"
    & skf18("1","5","4","4","7","5","1") = "6"
    & skf18("1","5","4","4","7","6","1") = "6"
    & skf18("1","5","4","4","7","7","1") = "6"
    & skf18("1","5","4","4","7","8","1") = "7"
    & skf18("1","5","4","4","7","9","1") = "8"
    & skf18("1","5","4","4","7","10","1") = "9"
    & skf18("1","5","4","4","8","1","1") = "7"
    & skf18("1","5","4","4","8","2","1") = "7"
    & skf18("1","5","4","4","8","3","1") = "7"
    & skf18("1","5","4","4","8","4","1") = "7"
    & skf18("1","5","4","4","8","5","1") = "7"
    & skf18("1","5","4","4","8","6","1") = "7"
    & skf18("1","5","4","4","8","7","1") = "7"
    & skf18("1","5","4","4","8","8","1") = "7"
    & skf18("1","5","4","4","8","9","1") = "8"
    & skf18("1","5","4","4","8","10","1") = "9"
    & skf18("1","5","4","4","9","1","1") = "8"
    & skf18("1","5","4","4","9","2","1") = "8"
    & skf18("1","5","4","4","9","3","1") = "8"
    & skf18("1","5","4","4","9","4","1") = "8"
    & skf18("1","5","4","4","9","5","1") = "8"
    & skf18("1","5","4","4","9","6","1") = "8"
    & skf18("1","5","4","4","9","7","1") = "8"
    & skf18("1","5","4","4","9","8","1") = "8"
    & skf18("1","5","4","4","9","9","1") = "8"
    & skf18("1","5","4","4","9","10","1") = "9"
    & skf18("1","5","4","4","10","1","1") = "9"
    & skf18("1","5","4","4","10","2","1") = "9"
    & skf18("1","5","4","4","10","3","1") = "9"
    & skf18("1","5","4","4","10","4","1") = "9"
    & skf18("1","5","4","4","10","5","1") = "9"
    & skf18("1","5","4","4","10","6","1") = "9"
    & skf18("1","5","4","4","10","7","1") = "9"
    & skf18("1","5","4","4","10","8","1") = "9"
    & skf18("1","5","4","4","10","9","1") = "9"
    & skf18("1","5","4","4","10","10","1") = "9"
    & skf18("1","5","4","5","1","1","1") = "4"
    & skf18("1","5","4","5","1","2","1") = "4"
    & skf18("1","5","4","5","1","3","1") = "4"
    & skf18("1","5","4","5","1","4","1") = "4"
    & skf18("1","5","4","5","1","5","1") = "4"
    & skf18("1","5","4","5","1","6","1") = "5"
    & skf18("1","5","4","5","1","7","1") = "6"
    & skf18("1","5","4","5","1","8","1") = "7"
    & skf18("1","5","4","5","1","9","1") = "8"
    & skf18("1","5","4","5","1","10","1") = "9"
    & skf18("1","5","4","5","2","1","1") = "4"
    & skf18("1","5","4","5","2","2","1") = "4"
    & skf18("1","5","4","5","2","3","1") = "4"
    & skf18("1","5","4","5","2","4","1") = "4"
    & skf18("1","5","4","5","2","5","1") = "4"
    & skf18("1","5","4","5","2","6","1") = "5"
    & skf18("1","5","4","5","2","7","1") = "6"
    & skf18("1","5","4","5","2","8","1") = "7"
    & skf18("1","5","4","5","2","9","1") = "8"
    & skf18("1","5","4","5","2","10","1") = "9"
    & skf18("1","5","4","5","3","1","1") = "4"
    & skf18("1","5","4","5","3","2","1") = "4"
    & skf18("1","5","4","5","3","3","1") = "4"
    & skf18("1","5","4","5","3","4","1") = "4"
    & skf18("1","5","4","5","3","5","1") = "4"
    & skf18("1","5","4","5","3","6","1") = "5"
    & skf18("1","5","4","5","3","7","1") = "6"
    & skf18("1","5","4","5","3","8","1") = "7"
    & skf18("1","5","4","5","3","9","1") = "8"
    & skf18("1","5","4","5","3","10","1") = "9"
    & skf18("1","5","4","5","4","1","1") = "4"
    & skf18("1","5","4","5","4","2","1") = "4"
    & skf18("1","5","4","5","4","3","1") = "4"
    & skf18("1","5","4","5","4","4","1") = "4"
    & skf18("1","5","4","5","4","5","1") = "4"
    & skf18("1","5","4","5","4","6","1") = "5"
    & skf18("1","5","4","5","4","7","1") = "6"
    & skf18("1","5","4","5","4","8","1") = "7"
    & skf18("1","5","4","5","4","9","1") = "8"
    & skf18("1","5","4","5","4","10","1") = "9"
    & skf18("1","5","4","5","5","1","1") = "4"
    & skf18("1","5","4","5","5","2","1") = "4"
    & skf18("1","5","4","5","5","3","1") = "4"
    & skf18("1","5","4","5","5","4","1") = "4"
    & skf18("1","5","4","5","5","5","1") = "4"
    & skf18("1","5","4","5","5","6","1") = "5"
    & skf18("1","5","4","5","5","7","1") = "6"
    & skf18("1","5","4","5","5","8","1") = "7"
    & skf18("1","5","4","5","5","9","1") = "8"
    & skf18("1","5","4","5","5","10","1") = "9"
    & skf18("1","5","4","5","6","1","1") = "5"
    & skf18("1","5","4","5","6","2","1") = "5"
    & skf18("1","5","4","5","6","3","1") = "5"
    & skf18("1","5","4","5","6","4","1") = "5"
    & skf18("1","5","4","5","6","5","1") = "5"
    & skf18("1","5","4","5","6","6","1") = "5"
    & skf18("1","5","4","5","6","7","1") = "6"
    & skf18("1","5","4","5","6","8","1") = "7"
    & skf18("1","5","4","5","6","9","1") = "8"
    & skf18("1","5","4","5","6","10","1") = "9"
    & skf18("1","5","4","5","7","1","1") = "6"
    & skf18("1","5","4","5","7","2","1") = "6"
    & skf18("1","5","4","5","7","3","1") = "6"
    & skf18("1","5","4","5","7","4","1") = "6"
    & skf18("1","5","4","5","7","5","1") = "6"
    & skf18("1","5","4","5","7","6","1") = "6"
    & skf18("1","5","4","5","7","7","1") = "6"
    & skf18("1","5","4","5","7","8","1") = "7"
    & skf18("1","5","4","5","7","9","1") = "8"
    & skf18("1","5","4","5","7","10","1") = "9"
    & skf18("1","5","4","5","8","1","1") = "7"
    & skf18("1","5","4","5","8","2","1") = "7"
    & skf18("1","5","4","5","8","3","1") = "7"
    & skf18("1","5","4","5","8","4","1") = "7"
    & skf18("1","5","4","5","8","5","1") = "7"
    & skf18("1","5","4","5","8","6","1") = "7"
    & skf18("1","5","4","5","8","7","1") = "7"
    & skf18("1","5","4","5","8","8","1") = "7"
    & skf18("1","5","4","5","8","9","1") = "8"
    & skf18("1","5","4","5","8","10","1") = "9"
    & skf18("1","5","4","5","9","1","1") = "8"
    & skf18("1","5","4","5","9","2","1") = "8"
    & skf18("1","5","4","5","9","3","1") = "8"
    & skf18("1","5","4","5","9","4","1") = "8"
    & skf18("1","5","4","5","9","5","1") = "8"
    & skf18("1","5","4","5","9","6","1") = "8"
    & skf18("1","5","4","5","9","7","1") = "8"
    & skf18("1","5","4","5","9","8","1") = "8"
    & skf18("1","5","4","5","9","9","1") = "8"
    & skf18("1","5","4","5","9","10","1") = "9"
    & skf18("1","5","4","5","10","1","1") = "9"
    & skf18("1","5","4","5","10","2","1") = "9"
    & skf18("1","5","4","5","10","3","1") = "9"
    & skf18("1","5","4","5","10","4","1") = "9"
    & skf18("1","5","4","5","10","5","1") = "9"
    & skf18("1","5","4","5","10","6","1") = "9"
    & skf18("1","5","4","5","10","7","1") = "9"
    & skf18("1","5","4","5","10","8","1") = "9"
    & skf18("1","5","4","5","10","9","1") = "9"
    & skf18("1","5","4","5","10","10","1") = "9"
    & skf18("1","5","4","6","1","1","1") = "5"
    & skf18("1","5","4","6","1","2","1") = "5"
    & skf18("1","5","4","6","1","3","1") = "5"
    & skf18("1","5","4","6","1","4","1") = "5"
    & skf18("1","5","4","6","1","5","1") = "5"
    & skf18("1","5","4","6","1","6","1") = "5"
    & skf18("1","5","4","6","1","7","1") = "6"
    & skf18("1","5","4","6","1","8","1") = "7"
    & skf18("1","5","4","6","1","9","1") = "8"
    & skf18("1","5","4","6","1","10","1") = "9"
    & skf18("1","5","4","6","2","1","1") = "5"
    & skf18("1","5","4","6","2","2","1") = "5"
    & skf18("1","5","4","6","2","3","1") = "5"
    & skf18("1","5","4","6","2","4","1") = "5"
    & skf18("1","5","4","6","2","5","1") = "5"
    & skf18("1","5","4","6","2","6","1") = "5"
    & skf18("1","5","4","6","2","7","1") = "6"
    & skf18("1","5","4","6","2","8","1") = "7"
    & skf18("1","5","4","6","2","9","1") = "8"
    & skf18("1","5","4","6","2","10","1") = "9"
    & skf18("1","5","4","6","3","1","1") = "5"
    & skf18("1","5","4","6","3","2","1") = "5"
    & skf18("1","5","4","6","3","3","1") = "5"
    & skf18("1","5","4","6","3","4","1") = "5"
    & skf18("1","5","4","6","3","5","1") = "5"
    & skf18("1","5","4","6","3","6","1") = "5"
    & skf18("1","5","4","6","3","7","1") = "6"
    & skf18("1","5","4","6","3","8","1") = "7"
    & skf18("1","5","4","6","3","9","1") = "8"
    & skf18("1","5","4","6","3","10","1") = "9"
    & skf18("1","5","4","6","4","1","1") = "5"
    & skf18("1","5","4","6","4","2","1") = "5"
    & skf18("1","5","4","6","4","3","1") = "5"
    & skf18("1","5","4","6","4","4","1") = "5"
    & skf18("1","5","4","6","4","5","1") = "5"
    & skf18("1","5","4","6","4","6","1") = "5"
    & skf18("1","5","4","6","4","7","1") = "6"
    & skf18("1","5","4","6","4","8","1") = "7"
    & skf18("1","5","4","6","4","9","1") = "8"
    & skf18("1","5","4","6","4","10","1") = "9"
    & skf18("1","5","4","6","5","1","1") = "5"
    & skf18("1","5","4","6","5","2","1") = "5"
    & skf18("1","5","4","6","5","3","1") = "5"
    & skf18("1","5","4","6","5","4","1") = "5"
    & skf18("1","5","4","6","5","5","1") = "5"
    & skf18("1","5","4","6","5","6","1") = "5"
    & skf18("1","5","4","6","5","7","1") = "6"
    & skf18("1","5","4","6","5","8","1") = "7"
    & skf18("1","5","4","6","5","9","1") = "8"
    & skf18("1","5","4","6","5","10","1") = "9"
    & skf18("1","5","4","6","6","1","1") = "5"
    & skf18("1","5","4","6","6","2","1") = "5"
    & skf18("1","5","4","6","6","3","1") = "5"
    & skf18("1","5","4","6","6","4","1") = "5"
    & skf18("1","5","4","6","6","5","1") = "5"
    & skf18("1","5","4","6","6","6","1") = "5"
    & skf18("1","5","4","6","6","7","1") = "6"
    & skf18("1","5","4","6","6","8","1") = "7"
    & skf18("1","5","4","6","6","9","1") = "8"
    & skf18("1","5","4","6","6","10","1") = "9"
    & skf18("1","5","4","6","7","1","1") = "6"
    & skf18("1","5","4","6","7","2","1") = "6"
    & skf18("1","5","4","6","7","3","1") = "6"
    & skf18("1","5","4","6","7","4","1") = "6"
    & skf18("1","5","4","6","7","5","1") = "6"
    & skf18("1","5","4","6","7","6","1") = "6"
    & skf18("1","5","4","6","7","7","1") = "6"
    & skf18("1","5","4","6","7","8","1") = "7"
    & skf18("1","5","4","6","7","9","1") = "8"
    & skf18("1","5","4","6","7","10","1") = "9"
    & skf18("1","5","4","6","8","1","1") = "7"
    & skf18("1","5","4","6","8","2","1") = "7"
    & skf18("1","5","4","6","8","3","1") = "7"
    & skf18("1","5","4","6","8","4","1") = "7"
    & skf18("1","5","4","6","8","5","1") = "7"
    & skf18("1","5","4","6","8","6","1") = "7"
    & skf18("1","5","4","6","8","7","1") = "7"
    & skf18("1","5","4","6","8","8","1") = "7"
    & skf18("1","5","4","6","8","9","1") = "8"
    & skf18("1","5","4","6","8","10","1") = "9"
    & skf18("1","5","4","6","9","1","1") = "8"
    & skf18("1","5","4","6","9","2","1") = "8"
    & skf18("1","5","4","6","9","3","1") = "8"
    & skf18("1","5","4","6","9","4","1") = "8"
    & skf18("1","5","4","6","9","5","1") = "8"
    & skf18("1","5","4","6","9","6","1") = "8"
    & skf18("1","5","4","6","9","7","1") = "8"
    & skf18("1","5","4","6","9","8","1") = "8"
    & skf18("1","5","4","6","9","9","1") = "8"
    & skf18("1","5","4","6","9","10","1") = "9"
    & skf18("1","5","4","6","10","1","1") = "9"
    & skf18("1","5","4","6","10","2","1") = "9"
    & skf18("1","5","4","6","10","3","1") = "9"
    & skf18("1","5","4","6","10","4","1") = "9"
    & skf18("1","5","4","6","10","5","1") = "9"
    & skf18("1","5","4","6","10","6","1") = "9"
    & skf18("1","5","4","6","10","7","1") = "9"
    & skf18("1","5","4","6","10","8","1") = "9"
    & skf18("1","5","4","6","10","9","1") = "9"
    & skf18("1","5","4","6","10","10","1") = "9"
    & skf18("1","5","4","7","1","1","1") = "6"
    & skf18("1","5","4","7","1","2","1") = "6"
    & skf18("1","5","4","7","1","3","1") = "6"
    & skf18("1","5","4","7","1","4","1") = "6"
    & skf18("1","5","4","7","1","5","1") = "6"
    & skf18("1","5","4","7","1","6","1") = "6"
    & skf18("1","5","4","7","1","7","1") = "6"
    & skf18("1","5","4","7","1","8","1") = "7"
    & skf18("1","5","4","7","1","9","1") = "8"
    & skf18("1","5","4","7","1","10","1") = "9"
    & skf18("1","5","4","7","2","1","1") = "6"
    & skf18("1","5","4","7","2","2","1") = "6"
    & skf18("1","5","4","7","2","3","1") = "6"
    & skf18("1","5","4","7","2","4","1") = "6"
    & skf18("1","5","4","7","2","5","1") = "6"
    & skf18("1","5","4","7","2","6","1") = "6"
    & skf18("1","5","4","7","2","7","1") = "6"
    & skf18("1","5","4","7","2","8","1") = "7"
    & skf18("1","5","4","7","2","9","1") = "8"
    & skf18("1","5","4","7","2","10","1") = "9"
    & skf18("1","5","4","7","3","1","1") = "6"
    & skf18("1","5","4","7","3","2","1") = "6"
    & skf18("1","5","4","7","3","3","1") = "6"
    & skf18("1","5","4","7","3","4","1") = "6"
    & skf18("1","5","4","7","3","5","1") = "6"
    & skf18("1","5","4","7","3","6","1") = "6"
    & skf18("1","5","4","7","3","7","1") = "6"
    & skf18("1","5","4","7","3","8","1") = "7"
    & skf18("1","5","4","7","3","9","1") = "8"
    & skf18("1","5","4","7","3","10","1") = "9"
    & skf18("1","5","4","7","4","1","1") = "6"
    & skf18("1","5","4","7","4","2","1") = "6"
    & skf18("1","5","4","7","4","3","1") = "6"
    & skf18("1","5","4","7","4","4","1") = "6"
    & skf18("1","5","4","7","4","5","1") = "6"
    & skf18("1","5","4","7","4","6","1") = "6"
    & skf18("1","5","4","7","4","7","1") = "6"
    & skf18("1","5","4","7","4","8","1") = "7"
    & skf18("1","5","4","7","4","9","1") = "8"
    & skf18("1","5","4","7","4","10","1") = "9"
    & skf18("1","5","4","7","5","1","1") = "6"
    & skf18("1","5","4","7","5","2","1") = "6"
    & skf18("1","5","4","7","5","3","1") = "6"
    & skf18("1","5","4","7","5","4","1") = "6"
    & skf18("1","5","4","7","5","5","1") = "6"
    & skf18("1","5","4","7","5","6","1") = "6"
    & skf18("1","5","4","7","5","7","1") = "6"
    & skf18("1","5","4","7","5","8","1") = "7"
    & skf18("1","5","4","7","5","9","1") = "8"
    & skf18("1","5","4","7","5","10","1") = "9"
    & skf18("1","5","4","7","6","1","1") = "6"
    & skf18("1","5","4","7","6","2","1") = "6"
    & skf18("1","5","4","7","6","3","1") = "6"
    & skf18("1","5","4","7","6","4","1") = "6"
    & skf18("1","5","4","7","6","5","1") = "6"
    & skf18("1","5","4","7","6","6","1") = "6"
    & skf18("1","5","4","7","6","7","1") = "6"
    & skf18("1","5","4","7","6","8","1") = "7"
    & skf18("1","5","4","7","6","9","1") = "8"
    & skf18("1","5","4","7","6","10","1") = "9"
    & skf18("1","5","4","7","7","1","1") = "6"
    & skf18("1","5","4","7","7","2","1") = "6"
    & skf18("1","5","4","7","7","3","1") = "6"
    & skf18("1","5","4","7","7","4","1") = "6"
    & skf18("1","5","4","7","7","5","1") = "6"
    & skf18("1","5","4","7","7","6","1") = "6"
    & skf18("1","5","4","7","7","7","1") = "6"
    & skf18("1","5","4","7","7","8","1") = "7"
    & skf18("1","5","4","7","7","9","1") = "8"
    & skf18("1","5","4","7","7","10","1") = "9"
    & skf18("1","5","4","7","8","1","1") = "7"
    & skf18("1","5","4","7","8","2","1") = "7"
    & skf18("1","5","4","7","8","3","1") = "7"
    & skf18("1","5","4","7","8","4","1") = "7"
    & skf18("1","5","4","7","8","5","1") = "7"
    & skf18("1","5","4","7","8","6","1") = "7"
    & skf18("1","5","4","7","8","7","1") = "7"
    & skf18("1","5","4","7","8","8","1") = "7"
    & skf18("1","5","4","7","8","9","1") = "8"
    & skf18("1","5","4","7","8","10","1") = "9"
    & skf18("1","5","4","7","9","1","1") = "8"
    & skf18("1","5","4","7","9","2","1") = "8"
    & skf18("1","5","4","7","9","3","1") = "8"
    & skf18("1","5","4","7","9","4","1") = "8"
    & skf18("1","5","4","7","9","5","1") = "8"
    & skf18("1","5","4","7","9","6","1") = "8"
    & skf18("1","5","4","7","9","7","1") = "8"
    & skf18("1","5","4","7","9","8","1") = "8"
    & skf18("1","5","4","7","9","9","1") = "8"
    & skf18("1","5","4","7","9","10","1") = "9"
    & skf18("1","5","4","7","10","1","1") = "9"
    & skf18("1","5","4","7","10","2","1") = "9"
    & skf18("1","5","4","7","10","3","1") = "9"
    & skf18("1","5","4","7","10","4","1") = "9"
    & skf18("1","5","4","7","10","5","1") = "9"
    & skf18("1","5","4","7","10","6","1") = "9"
    & skf18("1","5","4","7","10","7","1") = "9"
    & skf18("1","5","4","7","10","8","1") = "9"
    & skf18("1","5","4","7","10","9","1") = "9"
    & skf18("1","5","4","7","10","10","1") = "9"
    & skf18("1","5","4","8","1","1","1") = "7"
    & skf18("1","5","4","8","1","2","1") = "7"
    & skf18("1","5","4","8","1","3","1") = "7"
    & skf18("1","5","4","8","1","4","1") = "7"
    & skf18("1","5","4","8","1","5","1") = "7"
    & skf18("1","5","4","8","1","6","1") = "7"
    & skf18("1","5","4","8","1","7","1") = "7"
    & skf18("1","5","4","8","1","8","1") = "7"
    & skf18("1","5","4","8","1","9","1") = "8"
    & skf18("1","5","4","8","1","10","1") = "9"
    & skf18("1","5","4","8","2","1","1") = "7"
    & skf18("1","5","4","8","2","2","1") = "7"
    & skf18("1","5","4","8","2","3","1") = "7"
    & skf18("1","5","4","8","2","4","1") = "7"
    & skf18("1","5","4","8","2","5","1") = "7"
    & skf18("1","5","4","8","2","6","1") = "7"
    & skf18("1","5","4","8","2","7","1") = "7"
    & skf18("1","5","4","8","2","8","1") = "7"
    & skf18("1","5","4","8","2","9","1") = "8"
    & skf18("1","5","4","8","2","10","1") = "9"
    & skf18("1","5","4","8","3","1","1") = "7"
    & skf18("1","5","4","8","3","2","1") = "7"
    & skf18("1","5","4","8","3","3","1") = "7"
    & skf18("1","5","4","8","3","4","1") = "7"
    & skf18("1","5","4","8","3","5","1") = "7"
    & skf18("1","5","4","8","3","6","1") = "7"
    & skf18("1","5","4","8","3","7","1") = "7"
    & skf18("1","5","4","8","3","8","1") = "7"
    & skf18("1","5","4","8","3","9","1") = "8"
    & skf18("1","5","4","8","3","10","1") = "9"
    & skf18("1","5","4","8","4","1","1") = "7"
    & skf18("1","5","4","8","4","2","1") = "7"
    & skf18("1","5","4","8","4","3","1") = "7"
    & skf18("1","5","4","8","4","4","1") = "7"
    & skf18("1","5","4","8","4","5","1") = "7"
    & skf18("1","5","4","8","4","6","1") = "7"
    & skf18("1","5","4","8","4","7","1") = "7"
    & skf18("1","5","4","8","4","8","1") = "7"
    & skf18("1","5","4","8","4","9","1") = "8"
    & skf18("1","5","4","8","4","10","1") = "9"
    & skf18("1","5","4","8","5","1","1") = "7"
    & skf18("1","5","4","8","5","2","1") = "7"
    & skf18("1","5","4","8","5","3","1") = "7"
    & skf18("1","5","4","8","5","4","1") = "7"
    & skf18("1","5","4","8","5","5","1") = "7"
    & skf18("1","5","4","8","5","6","1") = "7"
    & skf18("1","5","4","8","5","7","1") = "7"
    & skf18("1","5","4","8","5","8","1") = "7"
    & skf18("1","5","4","8","5","9","1") = "8"
    & skf18("1","5","4","8","5","10","1") = "9"
    & skf18("1","5","4","8","6","1","1") = "7"
    & skf18("1","5","4","8","6","2","1") = "7"
    & skf18("1","5","4","8","6","3","1") = "7"
    & skf18("1","5","4","8","6","4","1") = "7"
    & skf18("1","5","4","8","6","5","1") = "7"
    & skf18("1","5","4","8","6","6","1") = "7"
    & skf18("1","5","4","8","6","7","1") = "7"
    & skf18("1","5","4","8","6","8","1") = "7"
    & skf18("1","5","4","8","6","9","1") = "8"
    & skf18("1","5","4","8","6","10","1") = "9"
    & skf18("1","5","4","8","7","1","1") = "7"
    & skf18("1","5","4","8","7","2","1") = "7"
    & skf18("1","5","4","8","7","3","1") = "7"
    & skf18("1","5","4","8","7","4","1") = "7"
    & skf18("1","5","4","8","7","5","1") = "7"
    & skf18("1","5","4","8","7","6","1") = "7"
    & skf18("1","5","4","8","7","7","1") = "7"
    & skf18("1","5","4","8","7","8","1") = "7"
    & skf18("1","5","4","8","7","9","1") = "8"
    & skf18("1","5","4","8","7","10","1") = "9"
    & skf18("1","5","4","8","8","1","1") = "7"
    & skf18("1","5","4","8","8","2","1") = "7"
    & skf18("1","5","4","8","8","3","1") = "7"
    & skf18("1","5","4","8","8","4","1") = "7"
    & skf18("1","5","4","8","8","5","1") = "7"
    & skf18("1","5","4","8","8","6","1") = "7"
    & skf18("1","5","4","8","8","7","1") = "7"
    & skf18("1","5","4","8","8","8","1") = "7"
    & skf18("1","5","4","8","8","9","1") = "8"
    & skf18("1","5","4","8","8","10","1") = "9"
    & skf18("1","5","4","8","9","1","1") = "8"
    & skf18("1","5","4","8","9","2","1") = "8"
    & skf18("1","5","4","8","9","3","1") = "8"
    & skf18("1","5","4","8","9","4","1") = "8"
    & skf18("1","5","4","8","9","5","1") = "8"
    & skf18("1","5","4","8","9","6","1") = "8"
    & skf18("1","5","4","8","9","7","1") = "8"
    & skf18("1","5","4","8","9","8","1") = "8"
    & skf18("1","5","4","8","9","9","1") = "8"
    & skf18("1","5","4","8","9","10","1") = "9"
    & skf18("1","5","4","8","10","1","1") = "9"
    & skf18("1","5","4","8","10","2","1") = "9"
    & skf18("1","5","4","8","10","3","1") = "9"
    & skf18("1","5","4","8","10","4","1") = "9"
    & skf18("1","5","4","8","10","5","1") = "9"
    & skf18("1","5","4","8","10","6","1") = "9"
    & skf18("1","5","4","8","10","7","1") = "9"
    & skf18("1","5","4","8","10","8","1") = "9"
    & skf18("1","5","4","8","10","9","1") = "9"
    & skf18("1","5","4","8","10","10","1") = "9"
    & skf18("1","5","4","9","1","1","1") = "8"
    & skf18("1","5","4","9","1","2","1") = "8"
    & skf18("1","5","4","9","1","3","1") = "8"
    & skf18("1","5","4","9","1","4","1") = "8"
    & skf18("1","5","4","9","1","5","1") = "8"
    & skf18("1","5","4","9","1","6","1") = "8"
    & skf18("1","5","4","9","1","7","1") = "8"
    & skf18("1","5","4","9","1","8","1") = "8"
    & skf18("1","5","4","9","1","9","1") = "8"
    & skf18("1","5","4","9","1","10","1") = "9"
    & skf18("1","5","4","9","2","1","1") = "8"
    & skf18("1","5","4","9","2","2","1") = "8"
    & skf18("1","5","4","9","2","3","1") = "8"
    & skf18("1","5","4","9","2","4","1") = "8"
    & skf18("1","5","4","9","2","5","1") = "8"
    & skf18("1","5","4","9","2","6","1") = "8"
    & skf18("1","5","4","9","2","7","1") = "8"
    & skf18("1","5","4","9","2","8","1") = "8"
    & skf18("1","5","4","9","2","9","1") = "8"
    & skf18("1","5","4","9","2","10","1") = "9"
    & skf18("1","5","4","9","3","1","1") = "8"
    & skf18("1","5","4","9","3","2","1") = "8"
    & skf18("1","5","4","9","3","3","1") = "8"
    & skf18("1","5","4","9","3","4","1") = "8"
    & skf18("1","5","4","9","3","5","1") = "8"
    & skf18("1","5","4","9","3","6","1") = "8"
    & skf18("1","5","4","9","3","7","1") = "8"
    & skf18("1","5","4","9","3","8","1") = "8"
    & skf18("1","5","4","9","3","9","1") = "8"
    & skf18("1","5","4","9","3","10","1") = "9"
    & skf18("1","5","4","9","4","1","1") = "8"
    & skf18("1","5","4","9","4","2","1") = "8"
    & skf18("1","5","4","9","4","3","1") = "8"
    & skf18("1","5","4","9","4","4","1") = "8"
    & skf18("1","5","4","9","4","5","1") = "8"
    & skf18("1","5","4","9","4","6","1") = "8"
    & skf18("1","5","4","9","4","7","1") = "8"
    & skf18("1","5","4","9","4","8","1") = "8"
    & skf18("1","5","4","9","4","9","1") = "8"
    & skf18("1","5","4","9","4","10","1") = "9"
    & skf18("1","5","4","9","5","1","1") = "8"
    & skf18("1","5","4","9","5","2","1") = "8"
    & skf18("1","5","4","9","5","3","1") = "8"
    & skf18("1","5","4","9","5","4","1") = "8"
    & skf18("1","5","4","9","5","5","1") = "8"
    & skf18("1","5","4","9","5","6","1") = "8"
    & skf18("1","5","4","9","5","7","1") = "8"
    & skf18("1","5","4","9","5","8","1") = "8"
    & skf18("1","5","4","9","5","9","1") = "8"
    & skf18("1","5","4","9","5","10","1") = "9"
    & skf18("1","5","4","9","6","1","1") = "8"
    & skf18("1","5","4","9","6","2","1") = "8"
    & skf18("1","5","4","9","6","3","1") = "8"
    & skf18("1","5","4","9","6","4","1") = "8"
    & skf18("1","5","4","9","6","5","1") = "8"
    & skf18("1","5","4","9","6","6","1") = "8"
    & skf18("1","5","4","9","6","7","1") = "8"
    & skf18("1","5","4","9","6","8","1") = "8"
    & skf18("1","5","4","9","6","9","1") = "8"
    & skf18("1","5","4","9","6","10","1") = "9"
    & skf18("1","5","4","9","7","1","1") = "8"
    & skf18("1","5","4","9","7","2","1") = "8"
    & skf18("1","5","4","9","7","3","1") = "8"
    & skf18("1","5","4","9","7","4","1") = "8"
    & skf18("1","5","4","9","7","5","1") = "8"
    & skf18("1","5","4","9","7","6","1") = "8"
    & skf18("1","5","4","9","7","7","1") = "8"
    & skf18("1","5","4","9","7","8","1") = "8"
    & skf18("1","5","4","9","7","9","1") = "8"
    & skf18("1","5","4","9","7","10","1") = "9"
    & skf18("1","5","4","9","8","1","1") = "8"
    & skf18("1","5","4","9","8","2","1") = "8"
    & skf18("1","5","4","9","8","3","1") = "8"
    & skf18("1","5","4","9","8","4","1") = "8"
    & skf18("1","5","4","9","8","5","1") = "8"
    & skf18("1","5","4","9","8","6","1") = "8"
    & skf18("1","5","4","9","8","7","1") = "8"
    & skf18("1","5","4","9","8","8","1") = "8"
    & skf18("1","5","4","9","8","9","1") = "8"
    & skf18("1","5","4","9","8","10","1") = "9"
    & skf18("1","5","4","9","9","1","1") = "8"
    & skf18("1","5","4","9","9","2","1") = "8"
    & skf18("1","5","4","9","9","3","1") = "8"
    & skf18("1","5","4","9","9","4","1") = "8"
    & skf18("1","5","4","9","9","5","1") = "8"
    & skf18("1","5","4","9","9","6","1") = "8"
    & skf18("1","5","4","9","9","7","1") = "8"
    & skf18("1","5","4","9","9","8","1") = "8"
    & skf18("1","5","4","9","9","9","1") = "8"
    & skf18("1","5","4","9","9","10","1") = "9"
    & skf18("1","5","4","9","10","1","1") = "9"
    & skf18("1","5","4","9","10","2","1") = "9"
    & skf18("1","5","4","9","10","3","1") = "9"
    & skf18("1","5","4","9","10","4","1") = "9"
    & skf18("1","5","4","9","10","5","1") = "9"
    & skf18("1","5","4","9","10","6","1") = "9"
    & skf18("1","5","4","9","10","7","1") = "9"
    & skf18("1","5","4","9","10","8","1") = "9"
    & skf18("1","5","4","9","10","9","1") = "9"
    & skf18("1","5","4","9","10","10","1") = "9"
    & skf18("1","5","4","10","1","1","1") = "9"
    & skf18("1","5","4","10","1","2","1") = "9"
    & skf18("1","5","4","10","1","3","1") = "9"
    & skf18("1","5","4","10","1","4","1") = "9"
    & skf18("1","5","4","10","1","5","1") = "9"
    & skf18("1","5","4","10","1","6","1") = "9"
    & skf18("1","5","4","10","1","7","1") = "9"
    & skf18("1","5","4","10","1","8","1") = "9"
    & skf18("1","5","4","10","1","9","1") = "9"
    & skf18("1","5","4","10","1","10","1") = "9"
    & skf18("1","5","4","10","2","1","1") = "9"
    & skf18("1","5","4","10","2","2","1") = "9"
    & skf18("1","5","4","10","2","3","1") = "9"
    & skf18("1","5","4","10","2","4","1") = "9"
    & skf18("1","5","4","10","2","5","1") = "9"
    & skf18("1","5","4","10","2","6","1") = "9"
    & skf18("1","5","4","10","2","7","1") = "9"
    & skf18("1","5","4","10","2","8","1") = "9"
    & skf18("1","5","4","10","2","9","1") = "9"
    & skf18("1","5","4","10","2","10","1") = "9"
    & skf18("1","5","4","10","3","1","1") = "9"
    & skf18("1","5","4","10","3","2","1") = "9"
    & skf18("1","5","4","10","3","3","1") = "9"
    & skf18("1","5","4","10","3","4","1") = "9"
    & skf18("1","5","4","10","3","5","1") = "9"
    & skf18("1","5","4","10","3","6","1") = "9"
    & skf18("1","5","4","10","3","7","1") = "9"
    & skf18("1","5","4","10","3","8","1") = "9"
    & skf18("1","5","4","10","3","9","1") = "9"
    & skf18("1","5","4","10","3","10","1") = "9"
    & skf18("1","5","4","10","4","1","1") = "9"
    & skf18("1","5","4","10","4","2","1") = "9"
    & skf18("1","5","4","10","4","3","1") = "9"
    & skf18("1","5","4","10","4","4","1") = "9"
    & skf18("1","5","4","10","4","5","1") = "9"
    & skf18("1","5","4","10","4","6","1") = "9"
    & skf18("1","5","4","10","4","7","1") = "9"
    & skf18("1","5","4","10","4","8","1") = "9"
    & skf18("1","5","4","10","4","9","1") = "9"
    & skf18("1","5","4","10","4","10","1") = "9"
    & skf18("1","5","4","10","5","1","1") = "9"
    & skf18("1","5","4","10","5","2","1") = "9"
    & skf18("1","5","4","10","5","3","1") = "9"
    & skf18("1","5","4","10","5","4","1") = "9"
    & skf18("1","5","4","10","5","5","1") = "9"
    & skf18("1","5","4","10","5","6","1") = "9"
    & skf18("1","5","4","10","5","7","1") = "9"
    & skf18("1","5","4","10","5","8","1") = "9"
    & skf18("1","5","4","10","5","9","1") = "9"
    & skf18("1","5","4","10","5","10","1") = "9"
    & skf18("1","5","4","10","6","1","1") = "9"
    & skf18("1","5","4","10","6","2","1") = "9"
    & skf18("1","5","4","10","6","3","1") = "9"
    & skf18("1","5","4","10","6","4","1") = "9"
    & skf18("1","5","4","10","6","5","1") = "9"
    & skf18("1","5","4","10","6","6","1") = "9"
    & skf18("1","5","4","10","6","7","1") = "9"
    & skf18("1","5","4","10","6","8","1") = "9"
    & skf18("1","5","4","10","6","9","1") = "9"
    & skf18("1","5","4","10","6","10","1") = "9"
    & skf18("1","5","4","10","7","1","1") = "9"
    & skf18("1","5","4","10","7","2","1") = "9"
    & skf18("1","5","4","10","7","3","1") = "9"
    & skf18("1","5","4","10","7","4","1") = "9"
    & skf18("1","5","4","10","7","5","1") = "9"
    & skf18("1","5","4","10","7","6","1") = "9"
    & skf18("1","5","4","10","7","7","1") = "9"
    & skf18("1","5","4","10","7","8","1") = "9"
    & skf18("1","5","4","10","7","9","1") = "9"
    & skf18("1","5","4","10","7","10","1") = "9"
    & skf18("1","5","4","10","8","1","1") = "9"
    & skf18("1","5","4","10","8","2","1") = "9"
    & skf18("1","5","4","10","8","3","1") = "9"
    & skf18("1","5","4","10","8","4","1") = "9"
    & skf18("1","5","4","10","8","5","1") = "9"
    & skf18("1","5","4","10","8","6","1") = "9"
    & skf18("1","5","4","10","8","7","1") = "9"
    & skf18("1","5","4","10","8","8","1") = "9"
    & skf18("1","5","4","10","8","9","1") = "9"
    & skf18("1","5","4","10","8","10","1") = "9"
    & skf18("1","5","4","10","9","1","1") = "9"
    & skf18("1","5","4","10","9","2","1") = "9"
    & skf18("1","5","4","10","9","3","1") = "9"
    & skf18("1","5","4","10","9","4","1") = "9"
    & skf18("1","5","4","10","9","5","1") = "9"
    & skf18("1","5","4","10","9","6","1") = "9"
    & skf18("1","5","4","10","9","7","1") = "9"
    & skf18("1","5","4","10","9","8","1") = "9"
    & skf18("1","5","4","10","9","9","1") = "9"
    & skf18("1","5","4","10","9","10","1") = "9"
    & skf18("1","5","4","10","10","1","1") = "9"
    & skf18("1","5","4","10","10","2","1") = "9"
    & skf18("1","5","4","10","10","3","1") = "9"
    & skf18("1","5","4","10","10","4","1") = "9"
    & skf18("1","5","4","10","10","5","1") = "9"
    & skf18("1","5","4","10","10","6","1") = "9"
    & skf18("1","5","4","10","10","7","1") = "9"
    & skf18("1","5","4","10","10","8","1") = "9"
    & skf18("1","5","4","10","10","9","1") = "9"
    & skf18("1","5","4","10","10","10","1") = "9"
    & skf18("1","5","5","1","1","1","1") = "4"
    & skf18("1","5","5","1","1","2","1") = "4"
    & skf18("1","5","5","1","1","3","1") = "4"
    & skf18("1","5","5","1","1","4","1") = "4"
    & skf18("1","5","5","1","1","5","1") = "4"
    & skf18("1","5","5","1","1","6","1") = "5"
    & skf18("1","5","5","1","1","7","1") = "6"
    & skf18("1","5","5","1","1","8","1") = "7"
    & skf18("1","5","5","1","1","9","1") = "8"
    & skf18("1","5","5","1","1","10","1") = "9"
    & skf18("1","5","5","1","2","1","1") = "4"
    & skf18("1","5","5","1","2","2","1") = "4"
    & skf18("1","5","5","1","2","3","1") = "4"
    & skf18("1","5","5","1","2","4","1") = "4"
    & skf18("1","5","5","1","2","5","1") = "4"
    & skf18("1","5","5","1","2","6","1") = "5"
    & skf18("1","5","5","1","2","7","1") = "6"
    & skf18("1","5","5","1","2","8","1") = "7"
    & skf18("1","5","5","1","2","9","1") = "8"
    & skf18("1","5","5","1","2","10","1") = "9"
    & skf18("1","5","5","1","3","1","1") = "4"
    & skf18("1","5","5","1","3","2","1") = "4"
    & skf18("1","5","5","1","3","3","1") = "4"
    & skf18("1","5","5","1","3","4","1") = "4"
    & skf18("1","5","5","1","3","5","1") = "4"
    & skf18("1","5","5","1","3","6","1") = "5"
    & skf18("1","5","5","1","3","7","1") = "6"
    & skf18("1","5","5","1","3","8","1") = "7"
    & skf18("1","5","5","1","3","9","1") = "8"
    & skf18("1","5","5","1","3","10","1") = "9"
    & skf18("1","5","5","1","4","1","1") = "4"
    & skf18("1","5","5","1","4","2","1") = "4"
    & skf18("1","5","5","1","4","3","1") = "4"
    & skf18("1","5","5","1","4","4","1") = "4"
    & skf18("1","5","5","1","4","5","1") = "4"
    & skf18("1","5","5","1","4","6","1") = "5"
    & skf18("1","5","5","1","4","7","1") = "6"
    & skf18("1","5","5","1","4","8","1") = "7"
    & skf18("1","5","5","1","4","9","1") = "8"
    & skf18("1","5","5","1","4","10","1") = "9"
    & skf18("1","5","5","1","5","1","1") = "4"
    & skf18("1","5","5","1","5","2","1") = "4"
    & skf18("1","5","5","1","5","3","1") = "4"
    & skf18("1","5","5","1","5","4","1") = "4"
    & skf18("1","5","5","1","5","5","1") = "4"
    & skf18("1","5","5","1","5","6","1") = "5"
    & skf18("1","5","5","1","5","7","1") = "6"
    & skf18("1","5","5","1","5","8","1") = "7"
    & skf18("1","5","5","1","5","9","1") = "8"
    & skf18("1","5","5","1","5","10","1") = "9"
    & skf18("1","5","5","1","6","1","1") = "5"
    & skf18("1","5","5","1","6","2","1") = "5"
    & skf18("1","5","5","1","6","3","1") = "5"
    & skf18("1","5","5","1","6","4","1") = "5"
    & skf18("1","5","5","1","6","5","1") = "5"
    & skf18("1","5","5","1","6","6","1") = "5"
    & skf18("1","5","5","1","6","7","1") = "6"
    & skf18("1","5","5","1","6","8","1") = "7"
    & skf18("1","5","5","1","6","9","1") = "8"
    & skf18("1","5","5","1","6","10","1") = "9"
    & skf18("1","5","5","1","7","1","1") = "6"
    & skf18("1","5","5","1","7","2","1") = "6"
    & skf18("1","5","5","1","7","3","1") = "6"
    & skf18("1","5","5","1","7","4","1") = "6"
    & skf18("1","5","5","1","7","5","1") = "6"
    & skf18("1","5","5","1","7","6","1") = "6"
    & skf18("1","5","5","1","7","7","1") = "6"
    & skf18("1","5","5","1","7","8","1") = "7"
    & skf18("1","5","5","1","7","9","1") = "8"
    & skf18("1","5","5","1","7","10","1") = "9"
    & skf18("1","5","5","1","8","1","1") = "7"
    & skf18("1","5","5","1","8","2","1") = "7"
    & skf18("1","5","5","1","8","3","1") = "7"
    & skf18("1","5","5","1","8","4","1") = "7"
    & skf18("1","5","5","1","8","5","1") = "7"
    & skf18("1","5","5","1","8","6","1") = "7"
    & skf18("1","5","5","1","8","7","1") = "7"
    & skf18("1","5","5","1","8","8","1") = "7"
    & skf18("1","5","5","1","8","9","1") = "8"
    & skf18("1","5","5","1","8","10","1") = "9"
    & skf18("1","5","5","1","9","1","1") = "8"
    & skf18("1","5","5","1","9","2","1") = "8"
    & skf18("1","5","5","1","9","3","1") = "8"
    & skf18("1","5","5","1","9","4","1") = "8"
    & skf18("1","5","5","1","9","5","1") = "8"
    & skf18("1","5","5","1","9","6","1") = "8"
    & skf18("1","5","5","1","9","7","1") = "8"
    & skf18("1","5","5","1","9","8","1") = "8"
    & skf18("1","5","5","1","9","9","1") = "8"
    & skf18("1","5","5","1","9","10","1") = "9"
    & skf18("1","5","5","1","10","1","1") = "9"
    & skf18("1","5","5","1","10","2","1") = "9"
    & skf18("1","5","5","1","10","3","1") = "9"
    & skf18("1","5","5","1","10","4","1") = "9"
    & skf18("1","5","5","1","10","5","1") = "9"
    & skf18("1","5","5","1","10","6","1") = "9"
    & skf18("1","5","5","1","10","7","1") = "9"
    & skf18("1","5","5","1","10","8","1") = "9"
    & skf18("1","5","5","1","10","9","1") = "9"
    & skf18("1","5","5","1","10","10","1") = "9"
    & skf18("1","5","5","2","1","1","1") = "4"
    & skf18("1","5","5","2","1","2","1") = "4"
    & skf18("1","5","5","2","1","3","1") = "4"
    & skf18("1","5","5","2","1","4","1") = "4"
    & skf18("1","5","5","2","1","5","1") = "4"
    & skf18("1","5","5","2","1","6","1") = "5"
    & skf18("1","5","5","2","1","7","1") = "6"
    & skf18("1","5","5","2","1","8","1") = "7"
    & skf18("1","5","5","2","1","9","1") = "8"
    & skf18("1","5","5","2","1","10","1") = "9"
    & skf18("1","5","5","2","2","1","1") = "4"
    & skf18("1","5","5","2","2","2","1") = "4"
    & skf18("1","5","5","2","2","3","1") = "4"
    & skf18("1","5","5","2","2","4","1") = "4"
    & skf18("1","5","5","2","2","5","1") = "4"
    & skf18("1","5","5","2","2","6","1") = "5"
    & skf18("1","5","5","2","2","7","1") = "6"
    & skf18("1","5","5","2","2","8","1") = "7"
    & skf18("1","5","5","2","2","9","1") = "8"
    & skf18("1","5","5","2","2","10","1") = "9"
    & skf18("1","5","5","2","3","1","1") = "4"
    & skf18("1","5","5","2","3","2","1") = "4"
    & skf18("1","5","5","2","3","3","1") = "4"
    & skf18("1","5","5","2","3","4","1") = "4"
    & skf18("1","5","5","2","3","5","1") = "4"
    & skf18("1","5","5","2","3","6","1") = "5"
    & skf18("1","5","5","2","3","7","1") = "6"
    & skf18("1","5","5","2","3","8","1") = "7"
    & skf18("1","5","5","2","3","9","1") = "8"
    & skf18("1","5","5","2","3","10","1") = "9"
    & skf18("1","5","5","2","4","1","1") = "4"
    & skf18("1","5","5","2","4","2","1") = "4"
    & skf18("1","5","5","2","4","3","1") = "4"
    & skf18("1","5","5","2","4","4","1") = "4"
    & skf18("1","5","5","2","4","5","1") = "4"
    & skf18("1","5","5","2","4","6","1") = "5"
    & skf18("1","5","5","2","4","7","1") = "6"
    & skf18("1","5","5","2","4","8","1") = "7"
    & skf18("1","5","5","2","4","9","1") = "8"
    & skf18("1","5","5","2","4","10","1") = "9"
    & skf18("1","5","5","2","5","1","1") = "4"
    & skf18("1","5","5","2","5","2","1") = "4"
    & skf18("1","5","5","2","5","3","1") = "4"
    & skf18("1","5","5","2","5","4","1") = "4"
    & skf18("1","5","5","2","5","5","1") = "4"
    & skf18("1","5","5","2","5","6","1") = "5"
    & skf18("1","5","5","2","5","7","1") = "6"
    & skf18("1","5","5","2","5","8","1") = "7"
    & skf18("1","5","5","2","5","9","1") = "8"
    & skf18("1","5","5","2","5","10","1") = "9"
    & skf18("1","5","5","2","6","1","1") = "5"
    & skf18("1","5","5","2","6","2","1") = "5"
    & skf18("1","5","5","2","6","3","1") = "5"
    & skf18("1","5","5","2","6","4","1") = "5"
    & skf18("1","5","5","2","6","5","1") = "5"
    & skf18("1","5","5","2","6","6","1") = "5"
    & skf18("1","5","5","2","6","7","1") = "6"
    & skf18("1","5","5","2","6","8","1") = "7"
    & skf18("1","5","5","2","6","9","1") = "8"
    & skf18("1","5","5","2","6","10","1") = "9"
    & skf18("1","5","5","2","7","1","1") = "6"
    & skf18("1","5","5","2","7","2","1") = "6"
    & skf18("1","5","5","2","7","3","1") = "6"
    & skf18("1","5","5","2","7","4","1") = "6"
    & skf18("1","5","5","2","7","5","1") = "6"
    & skf18("1","5","5","2","7","6","1") = "6"
    & skf18("1","5","5","2","7","7","1") = "6"
    & skf18("1","5","5","2","7","8","1") = "7"
    & skf18("1","5","5","2","7","9","1") = "8"
    & skf18("1","5","5","2","7","10","1") = "9"
    & skf18("1","5","5","2","8","1","1") = "7"
    & skf18("1","5","5","2","8","2","1") = "7"
    & skf18("1","5","5","2","8","3","1") = "7"
    & skf18("1","5","5","2","8","4","1") = "7"
    & skf18("1","5","5","2","8","5","1") = "7"
    & skf18("1","5","5","2","8","6","1") = "7"
    & skf18("1","5","5","2","8","7","1") = "7"
    & skf18("1","5","5","2","8","8","1") = "7"
    & skf18("1","5","5","2","8","9","1") = "8"
    & skf18("1","5","5","2","8","10","1") = "9"
    & skf18("1","5","5","2","9","1","1") = "8"
    & skf18("1","5","5","2","9","2","1") = "8"
    & skf18("1","5","5","2","9","3","1") = "8"
    & skf18("1","5","5","2","9","4","1") = "8"
    & skf18("1","5","5","2","9","5","1") = "8"
    & skf18("1","5","5","2","9","6","1") = "8"
    & skf18("1","5","5","2","9","7","1") = "8"
    & skf18("1","5","5","2","9","8","1") = "8"
    & skf18("1","5","5","2","9","9","1") = "8"
    & skf18("1","5","5","2","9","10","1") = "9"
    & skf18("1","5","5","2","10","1","1") = "9"
    & skf18("1","5","5","2","10","2","1") = "9"
    & skf18("1","5","5","2","10","3","1") = "9"
    & skf18("1","5","5","2","10","4","1") = "9"
    & skf18("1","5","5","2","10","5","1") = "9"
    & skf18("1","5","5","2","10","6","1") = "9"
    & skf18("1","5","5","2","10","7","1") = "9"
    & skf18("1","5","5","2","10","8","1") = "9"
    & skf18("1","5","5","2","10","9","1") = "9"
    & skf18("1","5","5","2","10","10","1") = "9"
    & skf18("1","5","5","3","1","1","1") = "4"
    & skf18("1","5","5","3","1","2","1") = "4"
    & skf18("1","5","5","3","1","3","1") = "4"
    & skf18("1","5","5","3","1","4","1") = "4"
    & skf18("1","5","5","3","1","5","1") = "4"
    & skf18("1","5","5","3","1","6","1") = "5"
    & skf18("1","5","5","3","1","7","1") = "6"
    & skf18("1","5","5","3","1","8","1") = "7"
    & skf18("1","5","5","3","1","9","1") = "8"
    & skf18("1","5","5","3","1","10","1") = "9"
    & skf18("1","5","5","3","2","1","1") = "4"
    & skf18("1","5","5","3","2","2","1") = "4"
    & skf18("1","5","5","3","2","3","1") = "4"
    & skf18("1","5","5","3","2","4","1") = "4"
    & skf18("1","5","5","3","2","5","1") = "4"
    & skf18("1","5","5","3","2","6","1") = "5"
    & skf18("1","5","5","3","2","7","1") = "6"
    & skf18("1","5","5","3","2","8","1") = "7"
    & skf18("1","5","5","3","2","9","1") = "8"
    & skf18("1","5","5","3","2","10","1") = "9"
    & skf18("1","5","5","3","3","1","1") = "4"
    & skf18("1","5","5","3","3","2","1") = "4"
    & skf18("1","5","5","3","3","3","1") = "4"
    & skf18("1","5","5","3","3","4","1") = "4"
    & skf18("1","5","5","3","3","5","1") = "4"
    & skf18("1","5","5","3","3","6","1") = "5"
    & skf18("1","5","5","3","3","7","1") = "6"
    & skf18("1","5","5","3","3","8","1") = "7"
    & skf18("1","5","5","3","3","9","1") = "8"
    & skf18("1","5","5","3","3","10","1") = "9"
    & skf18("1","5","5","3","4","1","1") = "4"
    & skf18("1","5","5","3","4","2","1") = "4"
    & skf18("1","5","5","3","4","3","1") = "4"
    & skf18("1","5","5","3","4","4","1") = "4"
    & skf18("1","5","5","3","4","5","1") = "4"
    & skf18("1","5","5","3","4","6","1") = "5"
    & skf18("1","5","5","3","4","7","1") = "6"
    & skf18("1","5","5","3","4","8","1") = "7"
    & skf18("1","5","5","3","4","9","1") = "8"
    & skf18("1","5","5","3","4","10","1") = "9"
    & skf18("1","5","5","3","5","1","1") = "4"
    & skf18("1","5","5","3","5","2","1") = "4"
    & skf18("1","5","5","3","5","3","1") = "4"
    & skf18("1","5","5","3","5","4","1") = "4"
    & skf18("1","5","5","3","5","5","1") = "4"
    & skf18("1","5","5","3","5","6","1") = "5"
    & skf18("1","5","5","3","5","7","1") = "6"
    & skf18("1","5","5","3","5","8","1") = "7"
    & skf18("1","5","5","3","5","9","1") = "8"
    & skf18("1","5","5","3","5","10","1") = "9"
    & skf18("1","5","5","3","6","1","1") = "5"
    & skf18("1","5","5","3","6","2","1") = "5"
    & skf18("1","5","5","3","6","3","1") = "5"
    & skf18("1","5","5","3","6","4","1") = "5"
    & skf18("1","5","5","3","6","5","1") = "5"
    & skf18("1","5","5","3","6","6","1") = "5"
    & skf18("1","5","5","3","6","7","1") = "6"
    & skf18("1","5","5","3","6","8","1") = "7"
    & skf18("1","5","5","3","6","9","1") = "8"
    & skf18("1","5","5","3","6","10","1") = "9"
    & skf18("1","5","5","3","7","1","1") = "6"
    & skf18("1","5","5","3","7","2","1") = "6"
    & skf18("1","5","5","3","7","3","1") = "6"
    & skf18("1","5","5","3","7","4","1") = "6"
    & skf18("1","5","5","3","7","5","1") = "6"
    & skf18("1","5","5","3","7","6","1") = "6"
    & skf18("1","5","5","3","7","7","1") = "6"
    & skf18("1","5","5","3","7","8","1") = "7"
    & skf18("1","5","5","3","7","9","1") = "8"
    & skf18("1","5","5","3","7","10","1") = "9"
    & skf18("1","5","5","3","8","1","1") = "7"
    & skf18("1","5","5","3","8","2","1") = "7"
    & skf18("1","5","5","3","8","3","1") = "7"
    & skf18("1","5","5","3","8","4","1") = "7"
    & skf18("1","5","5","3","8","5","1") = "7"
    & skf18("1","5","5","3","8","6","1") = "7"
    & skf18("1","5","5","3","8","7","1") = "7"
    & skf18("1","5","5","3","8","8","1") = "7"
    & skf18("1","5","5","3","8","9","1") = "8"
    & skf18("1","5","5","3","8","10","1") = "9"
    & skf18("1","5","5","3","9","1","1") = "8"
    & skf18("1","5","5","3","9","2","1") = "8"
    & skf18("1","5","5","3","9","3","1") = "8"
    & skf18("1","5","5","3","9","4","1") = "8"
    & skf18("1","5","5","3","9","5","1") = "8"
    & skf18("1","5","5","3","9","6","1") = "8"
    & skf18("1","5","5","3","9","7","1") = "8"
    & skf18("1","5","5","3","9","8","1") = "8"
    & skf18("1","5","5","3","9","9","1") = "8"
    & skf18("1","5","5","3","9","10","1") = "9"
    & skf18("1","5","5","3","10","1","1") = "9"
    & skf18("1","5","5","3","10","2","1") = "9"
    & skf18("1","5","5","3","10","3","1") = "9"
    & skf18("1","5","5","3","10","4","1") = "9"
    & skf18("1","5","5","3","10","5","1") = "9"
    & skf18("1","5","5","3","10","6","1") = "9"
    & skf18("1","5","5","3","10","7","1") = "9"
    & skf18("1","5","5","3","10","8","1") = "9"
    & skf18("1","5","5","3","10","9","1") = "9"
    & skf18("1","5","5","3","10","10","1") = "9"
    & skf18("1","5","5","4","1","1","1") = "4"
    & skf18("1","5","5","4","1","2","1") = "4"
    & skf18("1","5","5","4","1","3","1") = "4"
    & skf18("1","5","5","4","1","4","1") = "4"
    & skf18("1","5","5","4","1","5","1") = "4"
    & skf18("1","5","5","4","1","6","1") = "5"
    & skf18("1","5","5","4","1","7","1") = "6"
    & skf18("1","5","5","4","1","8","1") = "7"
    & skf18("1","5","5","4","1","9","1") = "8"
    & skf18("1","5","5","4","1","10","1") = "9"
    & skf18("1","5","5","4","2","1","1") = "4"
    & skf18("1","5","5","4","2","2","1") = "4"
    & skf18("1","5","5","4","2","3","1") = "4"
    & skf18("1","5","5","4","2","4","1") = "4"
    & skf18("1","5","5","4","2","5","1") = "4"
    & skf18("1","5","5","4","2","6","1") = "5"
    & skf18("1","5","5","4","2","7","1") = "6"
    & skf18("1","5","5","4","2","8","1") = "7"
    & skf18("1","5","5","4","2","9","1") = "8"
    & skf18("1","5","5","4","2","10","1") = "9"
    & skf18("1","5","5","4","3","1","1") = "4"
    & skf18("1","5","5","4","3","2","1") = "4"
    & skf18("1","5","5","4","3","3","1") = "4"
    & skf18("1","5","5","4","3","4","1") = "4"
    & skf18("1","5","5","4","3","5","1") = "4"
    & skf18("1","5","5","4","3","6","1") = "5"
    & skf18("1","5","5","4","3","7","1") = "6"
    & skf18("1","5","5","4","3","8","1") = "7"
    & skf18("1","5","5","4","3","9","1") = "8"
    & skf18("1","5","5","4","3","10","1") = "9"
    & skf18("1","5","5","4","4","1","1") = "4"
    & skf18("1","5","5","4","4","2","1") = "4"
    & skf18("1","5","5","4","4","3","1") = "4"
    & skf18("1","5","5","4","4","4","1") = "4"
    & skf18("1","5","5","4","4","5","1") = "4"
    & skf18("1","5","5","4","4","6","1") = "5"
    & skf18("1","5","5","4","4","7","1") = "6"
    & skf18("1","5","5","4","4","8","1") = "7"
    & skf18("1","5","5","4","4","9","1") = "8"
    & skf18("1","5","5","4","4","10","1") = "9"
    & skf18("1","5","5","4","5","1","1") = "4"
    & skf18("1","5","5","4","5","2","1") = "4"
    & skf18("1","5","5","4","5","3","1") = "4"
    & skf18("1","5","5","4","5","4","1") = "4"
    & skf18("1","5","5","4","5","5","1") = "4"
    & skf18("1","5","5","4","5","6","1") = "5"
    & skf18("1","5","5","4","5","7","1") = "6"
    & skf18("1","5","5","4","5","8","1") = "7"
    & skf18("1","5","5","4","5","9","1") = "8"
    & skf18("1","5","5","4","5","10","1") = "9"
    & skf18("1","5","5","4","6","1","1") = "5"
    & skf18("1","5","5","4","6","2","1") = "5"
    & skf18("1","5","5","4","6","3","1") = "5"
    & skf18("1","5","5","4","6","4","1") = "5"
    & skf18("1","5","5","4","6","5","1") = "5"
    & skf18("1","5","5","4","6","6","1") = "5"
    & skf18("1","5","5","4","6","7","1") = "6"
    & skf18("1","5","5","4","6","8","1") = "7"
    & skf18("1","5","5","4","6","9","1") = "8"
    & skf18("1","5","5","4","6","10","1") = "9"
    & skf18("1","5","5","4","7","1","1") = "6"
    & skf18("1","5","5","4","7","2","1") = "6"
    & skf18("1","5","5","4","7","3","1") = "6"
    & skf18("1","5","5","4","7","4","1") = "6"
    & skf18("1","5","5","4","7","5","1") = "6"
    & skf18("1","5","5","4","7","6","1") = "6"
    & skf18("1","5","5","4","7","7","1") = "6"
    & skf18("1","5","5","4","7","8","1") = "7"
    & skf18("1","5","5","4","7","9","1") = "8"
    & skf18("1","5","5","4","7","10","1") = "9"
    & skf18("1","5","5","4","8","1","1") = "7"
    & skf18("1","5","5","4","8","2","1") = "7"
    & skf18("1","5","5","4","8","3","1") = "7"
    & skf18("1","5","5","4","8","4","1") = "7"
    & skf18("1","5","5","4","8","5","1") = "7"
    & skf18("1","5","5","4","8","6","1") = "7"
    & skf18("1","5","5","4","8","7","1") = "7"
    & skf18("1","5","5","4","8","8","1") = "7"
    & skf18("1","5","5","4","8","9","1") = "8"
    & skf18("1","5","5","4","8","10","1") = "9"
    & skf18("1","5","5","4","9","1","1") = "8"
    & skf18("1","5","5","4","9","2","1") = "8"
    & skf18("1","5","5","4","9","3","1") = "8"
    & skf18("1","5","5","4","9","4","1") = "8"
    & skf18("1","5","5","4","9","5","1") = "8"
    & skf18("1","5","5","4","9","6","1") = "8"
    & skf18("1","5","5","4","9","7","1") = "8"
    & skf18("1","5","5","4","9","8","1") = "8"
    & skf18("1","5","5","4","9","9","1") = "8"
    & skf18("1","5","5","4","9","10","1") = "9"
    & skf18("1","5","5","4","10","1","1") = "9"
    & skf18("1","5","5","4","10","2","1") = "9"
    & skf18("1","5","5","4","10","3","1") = "9"
    & skf18("1","5","5","4","10","4","1") = "9"
    & skf18("1","5","5","4","10","5","1") = "9"
    & skf18("1","5","5","4","10","6","1") = "9"
    & skf18("1","5","5","4","10","7","1") = "9"
    & skf18("1","5","5","4","10","8","1") = "9"
    & skf18("1","5","5","4","10","9","1") = "9"
    & skf18("1","5","5","4","10","10","1") = "9"
    & skf18("1","5","5","5","1","1","1") = "4"
    & skf18("1","5","5","5","1","2","1") = "4"
    & skf18("1","5","5","5","1","3","1") = "4"
    & skf18("1","5","5","5","1","4","1") = "4"
    & skf18("1","5","5","5","1","5","1") = "4"
    & skf18("1","5","5","5","1","6","1") = "5"
    & skf18("1","5","5","5","1","7","1") = "6"
    & skf18("1","5","5","5","1","8","1") = "7"
    & skf18("1","5","5","5","1","9","1") = "8"
    & skf18("1","5","5","5","1","10","1") = "9"
    & skf18("1","5","5","5","2","1","1") = "4"
    & skf18("1","5","5","5","2","2","1") = "4"
    & skf18("1","5","5","5","2","3","1") = "4"
    & skf18("1","5","5","5","2","4","1") = "4"
    & skf18("1","5","5","5","2","5","1") = "4"
    & skf18("1","5","5","5","2","6","1") = "5"
    & skf18("1","5","5","5","2","7","1") = "6"
    & skf18("1","5","5","5","2","8","1") = "7"
    & skf18("1","5","5","5","2","9","1") = "8"
    & skf18("1","5","5","5","2","10","1") = "9"
    & skf18("1","5","5","5","3","1","1") = "4"
    & skf18("1","5","5","5","3","2","1") = "4"
    & skf18("1","5","5","5","3","3","1") = "4"
    & skf18("1","5","5","5","3","4","1") = "4"
    & skf18("1","5","5","5","3","5","1") = "4"
    & skf18("1","5","5","5","3","6","1") = "5"
    & skf18("1","5","5","5","3","7","1") = "6"
    & skf18("1","5","5","5","3","8","1") = "7"
    & skf18("1","5","5","5","3","9","1") = "8"
    & skf18("1","5","5","5","3","10","1") = "9"
    & skf18("1","5","5","5","4","1","1") = "4"
    & skf18("1","5","5","5","4","2","1") = "4"
    & skf18("1","5","5","5","4","3","1") = "4"
    & skf18("1","5","5","5","4","4","1") = "4"
    & skf18("1","5","5","5","4","5","1") = "4"
    & skf18("1","5","5","5","4","6","1") = "5"
    & skf18("1","5","5","5","4","7","1") = "6"
    & skf18("1","5","5","5","4","8","1") = "7"
    & skf18("1","5","5","5","4","9","1") = "8"
    & skf18("1","5","5","5","4","10","1") = "9"
    & skf18("1","5","5","5","5","1","1") = "4"
    & skf18("1","5","5","5","5","2","1") = "4"
    & skf18("1","5","5","5","5","3","1") = "4"
    & skf18("1","5","5","5","5","4","1") = "4"
    & skf18("1","5","5","5","5","5","1") = "4"
    & skf18("1","5","5","5","5","6","1") = "5"
    & skf18("1","5","5","5","5","7","1") = "6"
    & skf18("1","5","5","5","5","8","1") = "7"
    & skf18("1","5","5","5","5","9","1") = "8"
    & skf18("1","5","5","5","5","10","1") = "9"
    & skf18("1","5","5","5","6","1","1") = "5"
    & skf18("1","5","5","5","6","2","1") = "5"
    & skf18("1","5","5","5","6","3","1") = "5"
    & skf18("1","5","5","5","6","4","1") = "5"
    & skf18("1","5","5","5","6","5","1") = "5"
    & skf18("1","5","5","5","6","6","1") = "5"
    & skf18("1","5","5","5","6","7","1") = "6"
    & skf18("1","5","5","5","6","8","1") = "7"
    & skf18("1","5","5","5","6","9","1") = "8"
    & skf18("1","5","5","5","6","10","1") = "9"
    & skf18("1","5","5","5","7","1","1") = "6"
    & skf18("1","5","5","5","7","2","1") = "6"
    & skf18("1","5","5","5","7","3","1") = "6"
    & skf18("1","5","5","5","7","4","1") = "6"
    & skf18("1","5","5","5","7","5","1") = "6"
    & skf18("1","5","5","5","7","6","1") = "6"
    & skf18("1","5","5","5","7","7","1") = "6"
    & skf18("1","5","5","5","7","8","1") = "7"
    & skf18("1","5","5","5","7","9","1") = "8"
    & skf18("1","5","5","5","7","10","1") = "9"
    & skf18("1","5","5","5","8","1","1") = "7"
    & skf18("1","5","5","5","8","2","1") = "7"
    & skf18("1","5","5","5","8","3","1") = "7"
    & skf18("1","5","5","5","8","4","1") = "7"
    & skf18("1","5","5","5","8","5","1") = "7"
    & skf18("1","5","5","5","8","6","1") = "7"
    & skf18("1","5","5","5","8","7","1") = "7"
    & skf18("1","5","5","5","8","8","1") = "7"
    & skf18("1","5","5","5","8","9","1") = "8"
    & skf18("1","5","5","5","8","10","1") = "9"
    & skf18("1","5","5","5","9","1","1") = "8"
    & skf18("1","5","5","5","9","2","1") = "8"
    & skf18("1","5","5","5","9","3","1") = "8"
    & skf18("1","5","5","5","9","4","1") = "8"
    & skf18("1","5","5","5","9","5","1") = "8"
    & skf18("1","5","5","5","9","6","1") = "8"
    & skf18("1","5","5","5","9","7","1") = "8"
    & skf18("1","5","5","5","9","8","1") = "8"
    & skf18("1","5","5","5","9","9","1") = "8"
    & skf18("1","5","5","5","9","10","1") = "9"
    & skf18("1","5","5","5","10","1","1") = "9"
    & skf18("1","5","5","5","10","2","1") = "9"
    & skf18("1","5","5","5","10","3","1") = "9"
    & skf18("1","5","5","5","10","4","1") = "9"
    & skf18("1","5","5","5","10","5","1") = "9"
    & skf18("1","5","5","5","10","6","1") = "9"
    & skf18("1","5","5","5","10","7","1") = "9"
    & skf18("1","5","5","5","10","8","1") = "9"
    & skf18("1","5","5","5","10","9","1") = "9"
    & skf18("1","5","5","5","10","10","1") = "9"
    & skf18("1","5","5","6","1","1","1") = "5"
    & skf18("1","5","5","6","1","2","1") = "5"
    & skf18("1","5","5","6","1","3","1") = "5"
    & skf18("1","5","5","6","1","4","1") = "5"
    & skf18("1","5","5","6","1","5","1") = "5"
    & skf18("1","5","5","6","1","6","1") = "5"
    & skf18("1","5","5","6","1","7","1") = "6"
    & skf18("1","5","5","6","1","8","1") = "7"
    & skf18("1","5","5","6","1","9","1") = "8"
    & skf18("1","5","5","6","1","10","1") = "9"
    & skf18("1","5","5","6","2","1","1") = "5"
    & skf18("1","5","5","6","2","2","1") = "5"
    & skf18("1","5","5","6","2","3","1") = "5"
    & skf18("1","5","5","6","2","4","1") = "5"
    & skf18("1","5","5","6","2","5","1") = "5"
    & skf18("1","5","5","6","2","6","1") = "5"
    & skf18("1","5","5","6","2","7","1") = "6"
    & skf18("1","5","5","6","2","8","1") = "7"
    & skf18("1","5","5","6","2","9","1") = "8"
    & skf18("1","5","5","6","2","10","1") = "9"
    & skf18("1","5","5","6","3","1","1") = "5"
    & skf18("1","5","5","6","3","2","1") = "5"
    & skf18("1","5","5","6","3","3","1") = "5"
    & skf18("1","5","5","6","3","4","1") = "5"
    & skf18("1","5","5","6","3","5","1") = "5"
    & skf18("1","5","5","6","3","6","1") = "5"
    & skf18("1","5","5","6","3","7","1") = "6"
    & skf18("1","5","5","6","3","8","1") = "7"
    & skf18("1","5","5","6","3","9","1") = "8"
    & skf18("1","5","5","6","3","10","1") = "9"
    & skf18("1","5","5","6","4","1","1") = "5"
    & skf18("1","5","5","6","4","2","1") = "5"
    & skf18("1","5","5","6","4","3","1") = "5"
    & skf18("1","5","5","6","4","4","1") = "5"
    & skf18("1","5","5","6","4","5","1") = "5"
    & skf18("1","5","5","6","4","6","1") = "5"
    & skf18("1","5","5","6","4","7","1") = "6"
    & skf18("1","5","5","6","4","8","1") = "7"
    & skf18("1","5","5","6","4","9","1") = "8"
    & skf18("1","5","5","6","4","10","1") = "9"
    & skf18("1","5","5","6","5","1","1") = "5"
    & skf18("1","5","5","6","5","2","1") = "5"
    & skf18("1","5","5","6","5","3","1") = "5"
    & skf18("1","5","5","6","5","4","1") = "5"
    & skf18("1","5","5","6","5","5","1") = "5"
    & skf18("1","5","5","6","5","6","1") = "5"
    & skf18("1","5","5","6","5","7","1") = "6"
    & skf18("1","5","5","6","5","8","1") = "7"
    & skf18("1","5","5","6","5","9","1") = "8"
    & skf18("1","5","5","6","5","10","1") = "9"
    & skf18("1","5","5","6","6","1","1") = "5"
    & skf18("1","5","5","6","6","2","1") = "5"
    & skf18("1","5","5","6","6","3","1") = "5"
    & skf18("1","5","5","6","6","4","1") = "5"
    & skf18("1","5","5","6","6","5","1") = "5"
    & skf18("1","5","5","6","6","6","1") = "5"
    & skf18("1","5","5","6","6","7","1") = "6"
    & skf18("1","5","5","6","6","8","1") = "7"
    & skf18("1","5","5","6","6","9","1") = "8"
    & skf18("1","5","5","6","6","10","1") = "9"
    & skf18("1","5","5","6","7","1","1") = "6"
    & skf18("1","5","5","6","7","2","1") = "6"
    & skf18("1","5","5","6","7","3","1") = "6"
    & skf18("1","5","5","6","7","4","1") = "6"
    & skf18("1","5","5","6","7","5","1") = "6"
    & skf18("1","5","5","6","7","6","1") = "6"
    & skf18("1","5","5","6","7","7","1") = "6"
    & skf18("1","5","5","6","7","8","1") = "7"
    & skf18("1","5","5","6","7","9","1") = "8"
    & skf18("1","5","5","6","7","10","1") = "9"
    & skf18("1","5","5","6","8","1","1") = "7"
    & skf18("1","5","5","6","8","2","1") = "7"
    & skf18("1","5","5","6","8","3","1") = "7"
    & skf18("1","5","5","6","8","4","1") = "7"
    & skf18("1","5","5","6","8","5","1") = "7"
    & skf18("1","5","5","6","8","6","1") = "7"
    & skf18("1","5","5","6","8","7","1") = "7"
    & skf18("1","5","5","6","8","8","1") = "7"
    & skf18("1","5","5","6","8","9","1") = "8"
    & skf18("1","5","5","6","8","10","1") = "9"
    & skf18("1","5","5","6","9","1","1") = "8"
    & skf18("1","5","5","6","9","2","1") = "8"
    & skf18("1","5","5","6","9","3","1") = "8"
    & skf18("1","5","5","6","9","4","1") = "8"
    & skf18("1","5","5","6","9","5","1") = "8"
    & skf18("1","5","5","6","9","6","1") = "8"
    & skf18("1","5","5","6","9","7","1") = "8"
    & skf18("1","5","5","6","9","8","1") = "8"
    & skf18("1","5","5","6","9","9","1") = "8"
    & skf18("1","5","5","6","9","10","1") = "9"
    & skf18("1","5","5","6","10","1","1") = "9"
    & skf18("1","5","5","6","10","2","1") = "9"
    & skf18("1","5","5","6","10","3","1") = "9"
    & skf18("1","5","5","6","10","4","1") = "9"
    & skf18("1","5","5","6","10","5","1") = "9"
    & skf18("1","5","5","6","10","6","1") = "9"
    & skf18("1","5","5","6","10","7","1") = "9"
    & skf18("1","5","5","6","10","8","1") = "9"
    & skf18("1","5","5","6","10","9","1") = "9"
    & skf18("1","5","5","6","10","10","1") = "9"
    & skf18("1","5","5","7","1","1","1") = "6"
    & skf18("1","5","5","7","1","2","1") = "6"
    & skf18("1","5","5","7","1","3","1") = "6"
    & skf18("1","5","5","7","1","4","1") = "6"
    & skf18("1","5","5","7","1","5","1") = "6"
    & skf18("1","5","5","7","1","6","1") = "6"
    & skf18("1","5","5","7","1","7","1") = "6"
    & skf18("1","5","5","7","1","8","1") = "7"
    & skf18("1","5","5","7","1","9","1") = "8"
    & skf18("1","5","5","7","1","10","1") = "9"
    & skf18("1","5","5","7","2","1","1") = "6"
    & skf18("1","5","5","7","2","2","1") = "6"
    & skf18("1","5","5","7","2","3","1") = "6"
    & skf18("1","5","5","7","2","4","1") = "6"
    & skf18("1","5","5","7","2","5","1") = "6"
    & skf18("1","5","5","7","2","6","1") = "6"
    & skf18("1","5","5","7","2","7","1") = "6"
    & skf18("1","5","5","7","2","8","1") = "7"
    & skf18("1","5","5","7","2","9","1") = "8"
    & skf18("1","5","5","7","2","10","1") = "9"
    & skf18("1","5","5","7","3","1","1") = "6"
    & skf18("1","5","5","7","3","2","1") = "6"
    & skf18("1","5","5","7","3","3","1") = "6"
    & skf18("1","5","5","7","3","4","1") = "6"
    & skf18("1","5","5","7","3","5","1") = "6"
    & skf18("1","5","5","7","3","6","1") = "6"
    & skf18("1","5","5","7","3","7","1") = "6"
    & skf18("1","5","5","7","3","8","1") = "7"
    & skf18("1","5","5","7","3","9","1") = "8"
    & skf18("1","5","5","7","3","10","1") = "9"
    & skf18("1","5","5","7","4","1","1") = "6"
    & skf18("1","5","5","7","4","2","1") = "6"
    & skf18("1","5","5","7","4","3","1") = "6"
    & skf18("1","5","5","7","4","4","1") = "6"
    & skf18("1","5","5","7","4","5","1") = "6"
    & skf18("1","5","5","7","4","6","1") = "6"
    & skf18("1","5","5","7","4","7","1") = "6"
    & skf18("1","5","5","7","4","8","1") = "7"
    & skf18("1","5","5","7","4","9","1") = "8"
    & skf18("1","5","5","7","4","10","1") = "9"
    & skf18("1","5","5","7","5","1","1") = "6"
    & skf18("1","5","5","7","5","2","1") = "6"
    & skf18("1","5","5","7","5","3","1") = "6"
    & skf18("1","5","5","7","5","4","1") = "6"
    & skf18("1","5","5","7","5","5","1") = "6"
    & skf18("1","5","5","7","5","6","1") = "6"
    & skf18("1","5","5","7","5","7","1") = "6"
    & skf18("1","5","5","7","5","8","1") = "7"
    & skf18("1","5","5","7","5","9","1") = "8"
    & skf18("1","5","5","7","5","10","1") = "9"
    & skf18("1","5","5","7","6","1","1") = "6"
    & skf18("1","5","5","7","6","2","1") = "6"
    & skf18("1","5","5","7","6","3","1") = "6"
    & skf18("1","5","5","7","6","4","1") = "6"
    & skf18("1","5","5","7","6","5","1") = "6"
    & skf18("1","5","5","7","6","6","1") = "6"
    & skf18("1","5","5","7","6","7","1") = "6"
    & skf18("1","5","5","7","6","8","1") = "7"
    & skf18("1","5","5","7","6","9","1") = "8"
    & skf18("1","5","5","7","6","10","1") = "9"
    & skf18("1","5","5","7","7","1","1") = "6"
    & skf18("1","5","5","7","7","2","1") = "6"
    & skf18("1","5","5","7","7","3","1") = "6"
    & skf18("1","5","5","7","7","4","1") = "6"
    & skf18("1","5","5","7","7","5","1") = "6"
    & skf18("1","5","5","7","7","6","1") = "6"
    & skf18("1","5","5","7","7","7","1") = "6"
    & skf18("1","5","5","7","7","8","1") = "7"
    & skf18("1","5","5","7","7","9","1") = "8"
    & skf18("1","5","5","7","7","10","1") = "9"
    & skf18("1","5","5","7","8","1","1") = "7"
    & skf18("1","5","5","7","8","2","1") = "7"
    & skf18("1","5","5","7","8","3","1") = "7"
    & skf18("1","5","5","7","8","4","1") = "7"
    & skf18("1","5","5","7","8","5","1") = "7"
    & skf18("1","5","5","7","8","6","1") = "7"
    & skf18("1","5","5","7","8","7","1") = "7"
    & skf18("1","5","5","7","8","8","1") = "7"
    & skf18("1","5","5","7","8","9","1") = "8"
    & skf18("1","5","5","7","8","10","1") = "9"
    & skf18("1","5","5","7","9","1","1") = "8"
    & skf18("1","5","5","7","9","2","1") = "8"
    & skf18("1","5","5","7","9","3","1") = "8"
    & skf18("1","5","5","7","9","4","1") = "8"
    & skf18("1","5","5","7","9","5","1") = "8"
    & skf18("1","5","5","7","9","6","1") = "8"
    & skf18("1","5","5","7","9","7","1") = "8"
    & skf18("1","5","5","7","9","8","1") = "8"
    & skf18("1","5","5","7","9","9","1") = "8"
    & skf18("1","5","5","7","9","10","1") = "9"
    & skf18("1","5","5","7","10","1","1") = "9"
    & skf18("1","5","5","7","10","2","1") = "9"
    & skf18("1","5","5","7","10","3","1") = "9"
    & skf18("1","5","5","7","10","4","1") = "9"
    & skf18("1","5","5","7","10","5","1") = "9"
    & skf18("1","5","5","7","10","6","1") = "9"
    & skf18("1","5","5","7","10","7","1") = "9"
    & skf18("1","5","5","7","10","8","1") = "9"
    & skf18("1","5","5","7","10","9","1") = "9"
    & skf18("1","5","5","7","10","10","1") = "9"
    & skf18("1","5","5","8","1","1","1") = "7"
    & skf18("1","5","5","8","1","2","1") = "7"
    & skf18("1","5","5","8","1","3","1") = "7"
    & skf18("1","5","5","8","1","4","1") = "7"
    & skf18("1","5","5","8","1","5","1") = "7"
    & skf18("1","5","5","8","1","6","1") = "7"
    & skf18("1","5","5","8","1","7","1") = "7"
    & skf18("1","5","5","8","1","8","1") = "7"
    & skf18("1","5","5","8","1","9","1") = "8"
    & skf18("1","5","5","8","1","10","1") = "9"
    & skf18("1","5","5","8","2","1","1") = "7"
    & skf18("1","5","5","8","2","2","1") = "7"
    & skf18("1","5","5","8","2","3","1") = "7"
    & skf18("1","5","5","8","2","4","1") = "7"
    & skf18("1","5","5","8","2","5","1") = "7"
    & skf18("1","5","5","8","2","6","1") = "7"
    & skf18("1","5","5","8","2","7","1") = "7"
    & skf18("1","5","5","8","2","8","1") = "7"
    & skf18("1","5","5","8","2","9","1") = "8"
    & skf18("1","5","5","8","2","10","1") = "9"
    & skf18("1","5","5","8","3","1","1") = "7"
    & skf18("1","5","5","8","3","2","1") = "7"
    & skf18("1","5","5","8","3","3","1") = "7"
    & skf18("1","5","5","8","3","4","1") = "7"
    & skf18("1","5","5","8","3","5","1") = "7"
    & skf18("1","5","5","8","3","6","1") = "7"
    & skf18("1","5","5","8","3","7","1") = "7"
    & skf18("1","5","5","8","3","8","1") = "7"
    & skf18("1","5","5","8","3","9","1") = "8"
    & skf18("1","5","5","8","3","10","1") = "9"
    & skf18("1","5","5","8","4","1","1") = "7"
    & skf18("1","5","5","8","4","2","1") = "7"
    & skf18("1","5","5","8","4","3","1") = "7"
    & skf18("1","5","5","8","4","4","1") = "7"
    & skf18("1","5","5","8","4","5","1") = "7"
    & skf18("1","5","5","8","4","6","1") = "7"
    & skf18("1","5","5","8","4","7","1") = "7"
    & skf18("1","5","5","8","4","8","1") = "7"
    & skf18("1","5","5","8","4","9","1") = "8"
    & skf18("1","5","5","8","4","10","1") = "9"
    & skf18("1","5","5","8","5","1","1") = "7"
    & skf18("1","5","5","8","5","2","1") = "7"
    & skf18("1","5","5","8","5","3","1") = "7"
    & skf18("1","5","5","8","5","4","1") = "7"
    & skf18("1","5","5","8","5","5","1") = "7"
    & skf18("1","5","5","8","5","6","1") = "7"
    & skf18("1","5","5","8","5","7","1") = "7"
    & skf18("1","5","5","8","5","8","1") = "7"
    & skf18("1","5","5","8","5","9","1") = "8"
    & skf18("1","5","5","8","5","10","1") = "9"
    & skf18("1","5","5","8","6","1","1") = "7"
    & skf18("1","5","5","8","6","2","1") = "7"
    & skf18("1","5","5","8","6","3","1") = "7"
    & skf18("1","5","5","8","6","4","1") = "7"
    & skf18("1","5","5","8","6","5","1") = "7"
    & skf18("1","5","5","8","6","6","1") = "7"
    & skf18("1","5","5","8","6","7","1") = "7"
    & skf18("1","5","5","8","6","8","1") = "7"
    & skf18("1","5","5","8","6","9","1") = "8"
    & skf18("1","5","5","8","6","10","1") = "9"
    & skf18("1","5","5","8","7","1","1") = "7"
    & skf18("1","5","5","8","7","2","1") = "7"
    & skf18("1","5","5","8","7","3","1") = "7"
    & skf18("1","5","5","8","7","4","1") = "7"
    & skf18("1","5","5","8","7","5","1") = "7"
    & skf18("1","5","5","8","7","6","1") = "7"
    & skf18("1","5","5","8","7","7","1") = "7"
    & skf18("1","5","5","8","7","8","1") = "7"
    & skf18("1","5","5","8","7","9","1") = "8"
    & skf18("1","5","5","8","7","10","1") = "9"
    & skf18("1","5","5","8","8","1","1") = "7"
    & skf18("1","5","5","8","8","2","1") = "7"
    & skf18("1","5","5","8","8","3","1") = "7"
    & skf18("1","5","5","8","8","4","1") = "7"
    & skf18("1","5","5","8","8","5","1") = "7"
    & skf18("1","5","5","8","8","6","1") = "7"
    & skf18("1","5","5","8","8","7","1") = "7"
    & skf18("1","5","5","8","8","8","1") = "7"
    & skf18("1","5","5","8","8","9","1") = "8"
    & skf18("1","5","5","8","8","10","1") = "9"
    & skf18("1","5","5","8","9","1","1") = "8"
    & skf18("1","5","5","8","9","2","1") = "8"
    & skf18("1","5","5","8","9","3","1") = "8"
    & skf18("1","5","5","8","9","4","1") = "8"
    & skf18("1","5","5","8","9","5","1") = "8"
    & skf18("1","5","5","8","9","6","1") = "8"
    & skf18("1","5","5","8","9","7","1") = "8"
    & skf18("1","5","5","8","9","8","1") = "8"
    & skf18("1","5","5","8","9","9","1") = "8"
    & skf18("1","5","5","8","9","10","1") = "9"
    & skf18("1","5","5","8","10","1","1") = "9"
    & skf18("1","5","5","8","10","2","1") = "9"
    & skf18("1","5","5","8","10","3","1") = "9"
    & skf18("1","5","5","8","10","4","1") = "9"
    & skf18("1","5","5","8","10","5","1") = "9"
    & skf18("1","5","5","8","10","6","1") = "9"
    & skf18("1","5","5","8","10","7","1") = "9"
    & skf18("1","5","5","8","10","8","1") = "9"
    & skf18("1","5","5","8","10","9","1") = "9"
    & skf18("1","5","5","8","10","10","1") = "9"
    & skf18("1","5","5","9","1","1","1") = "8"
    & skf18("1","5","5","9","1","2","1") = "8"
    & skf18("1","5","5","9","1","3","1") = "8"
    & skf18("1","5","5","9","1","4","1") = "8"
    & skf18("1","5","5","9","1","5","1") = "8"
    & skf18("1","5","5","9","1","6","1") = "8"
    & skf18("1","5","5","9","1","7","1") = "8"
    & skf18("1","5","5","9","1","8","1") = "8"
    & skf18("1","5","5","9","1","9","1") = "8"
    & skf18("1","5","5","9","1","10","1") = "9"
    & skf18("1","5","5","9","2","1","1") = "8"
    & skf18("1","5","5","9","2","2","1") = "8"
    & skf18("1","5","5","9","2","3","1") = "8"
    & skf18("1","5","5","9","2","4","1") = "8"
    & skf18("1","5","5","9","2","5","1") = "8"
    & skf18("1","5","5","9","2","6","1") = "8"
    & skf18("1","5","5","9","2","7","1") = "8"
    & skf18("1","5","5","9","2","8","1") = "8"
    & skf18("1","5","5","9","2","9","1") = "8"
    & skf18("1","5","5","9","2","10","1") = "9"
    & skf18("1","5","5","9","3","1","1") = "8"
    & skf18("1","5","5","9","3","2","1") = "8"
    & skf18("1","5","5","9","3","3","1") = "8"
    & skf18("1","5","5","9","3","4","1") = "8"
    & skf18("1","5","5","9","3","5","1") = "8"
    & skf18("1","5","5","9","3","6","1") = "8"
    & skf18("1","5","5","9","3","7","1") = "8"
    & skf18("1","5","5","9","3","8","1") = "8"
    & skf18("1","5","5","9","3","9","1") = "8"
    & skf18("1","5","5","9","3","10","1") = "9"
    & skf18("1","5","5","9","4","1","1") = "8"
    & skf18("1","5","5","9","4","2","1") = "8"
    & skf18("1","5","5","9","4","3","1") = "8"
    & skf18("1","5","5","9","4","4","1") = "8"
    & skf18("1","5","5","9","4","5","1") = "8"
    & skf18("1","5","5","9","4","6","1") = "8"
    & skf18("1","5","5","9","4","7","1") = "8"
    & skf18("1","5","5","9","4","8","1") = "8"
    & skf18("1","5","5","9","4","9","1") = "8"
    & skf18("1","5","5","9","4","10","1") = "9"
    & skf18("1","5","5","9","5","1","1") = "8"
    & skf18("1","5","5","9","5","2","1") = "8"
    & skf18("1","5","5","9","5","3","1") = "8"
    & skf18("1","5","5","9","5","4","1") = "8"
    & skf18("1","5","5","9","5","5","1") = "8"
    & skf18("1","5","5","9","5","6","1") = "8"
    & skf18("1","5","5","9","5","7","1") = "8"
    & skf18("1","5","5","9","5","8","1") = "8"
    & skf18("1","5","5","9","5","9","1") = "8"
    & skf18("1","5","5","9","5","10","1") = "9"
    & skf18("1","5","5","9","6","1","1") = "8"
    & skf18("1","5","5","9","6","2","1") = "8"
    & skf18("1","5","5","9","6","3","1") = "8"
    & skf18("1","5","5","9","6","4","1") = "8"
    & skf18("1","5","5","9","6","5","1") = "8"
    & skf18("1","5","5","9","6","6","1") = "8"
    & skf18("1","5","5","9","6","7","1") = "8"
    & skf18("1","5","5","9","6","8","1") = "8"
    & skf18("1","5","5","9","6","9","1") = "8"
    & skf18("1","5","5","9","6","10","1") = "9"
    & skf18("1","5","5","9","7","1","1") = "8"
    & skf18("1","5","5","9","7","2","1") = "8"
    & skf18("1","5","5","9","7","3","1") = "8"
    & skf18("1","5","5","9","7","4","1") = "8"
    & skf18("1","5","5","9","7","5","1") = "8"
    & skf18("1","5","5","9","7","6","1") = "8"
    & skf18("1","5","5","9","7","7","1") = "8"
    & skf18("1","5","5","9","7","8","1") = "8"
    & skf18("1","5","5","9","7","9","1") = "8"
    & skf18("1","5","5","9","7","10","1") = "9"
    & skf18("1","5","5","9","8","1","1") = "8"
    & skf18("1","5","5","9","8","2","1") = "8"
    & skf18("1","5","5","9","8","3","1") = "8"
    & skf18("1","5","5","9","8","4","1") = "8"
    & skf18("1","5","5","9","8","5","1") = "8"
    & skf18("1","5","5","9","8","6","1") = "8"
    & skf18("1","5","5","9","8","7","1") = "8"
    & skf18("1","5","5","9","8","8","1") = "8"
    & skf18("1","5","5","9","8","9","1") = "8"
    & skf18("1","5","5","9","8","10","1") = "9"
    & skf18("1","5","5","9","9","1","1") = "8"
    & skf18("1","5","5","9","9","2","1") = "8"
    & skf18("1","5","5","9","9","3","1") = "8"
    & skf18("1","5","5","9","9","4","1") = "8"
    & skf18("1","5","5","9","9","5","1") = "8"
    & skf18("1","5","5","9","9","6","1") = "8"
    & skf18("1","5","5","9","9","7","1") = "8"
    & skf18("1","5","5","9","9","8","1") = "8"
    & skf18("1","5","5","9","9","9","1") = "8"
    & skf18("1","5","5","9","9","10","1") = "9"
    & skf18("1","5","5","9","10","1","1") = "9"
    & skf18("1","5","5","9","10","2","1") = "9"
    & skf18("1","5","5","9","10","3","1") = "9"
    & skf18("1","5","5","9","10","4","1") = "9"
    & skf18("1","5","5","9","10","5","1") = "9"
    & skf18("1","5","5","9","10","6","1") = "9"
    & skf18("1","5","5","9","10","7","1") = "9"
    & skf18("1","5","5","9","10","8","1") = "9"
    & skf18("1","5","5","9","10","9","1") = "9"
    & skf18("1","5","5","9","10","10","1") = "9"
    & skf18("1","5","5","10","1","1","1") = "9"
    & skf18("1","5","5","10","1","2","1") = "9"
    & skf18("1","5","5","10","1","3","1") = "9"
    & skf18("1","5","5","10","1","4","1") = "9"
    & skf18("1","5","5","10","1","5","1") = "9"
    & skf18("1","5","5","10","1","6","1") = "9"
    & skf18("1","5","5","10","1","7","1") = "9"
    & skf18("1","5","5","10","1","8","1") = "9"
    & skf18("1","5","5","10","1","9","1") = "9"
    & skf18("1","5","5","10","1","10","1") = "9"
    & skf18("1","5","5","10","2","1","1") = "9"
    & skf18("1","5","5","10","2","2","1") = "9"
    & skf18("1","5","5","10","2","3","1") = "9"
    & skf18("1","5","5","10","2","4","1") = "9"
    & skf18("1","5","5","10","2","5","1") = "9"
    & skf18("1","5","5","10","2","6","1") = "9"
    & skf18("1","5","5","10","2","7","1") = "9"
    & skf18("1","5","5","10","2","8","1") = "9"
    & skf18("1","5","5","10","2","9","1") = "9"
    & skf18("1","5","5","10","2","10","1") = "9"
    & skf18("1","5","5","10","3","1","1") = "9"
    & skf18("1","5","5","10","3","2","1") = "9"
    & skf18("1","5","5","10","3","3","1") = "9"
    & skf18("1","5","5","10","3","4","1") = "9"
    & skf18("1","5","5","10","3","5","1") = "9"
    & skf18("1","5","5","10","3","6","1") = "9"
    & skf18("1","5","5","10","3","7","1") = "9"
    & skf18("1","5","5","10","3","8","1") = "9"
    & skf18("1","5","5","10","3","9","1") = "9"
    & skf18("1","5","5","10","3","10","1") = "9"
    & skf18("1","5","5","10","4","1","1") = "9"
    & skf18("1","5","5","10","4","2","1") = "9"
    & skf18("1","5","5","10","4","3","1") = "9"
    & skf18("1","5","5","10","4","4","1") = "9"
    & skf18("1","5","5","10","4","5","1") = "9"
    & skf18("1","5","5","10","4","6","1") = "9"
    & skf18("1","5","5","10","4","7","1") = "9"
    & skf18("1","5","5","10","4","8","1") = "9"
    & skf18("1","5","5","10","4","9","1") = "9"
    & skf18("1","5","5","10","4","10","1") = "9"
    & skf18("1","5","5","10","5","1","1") = "9"
    & skf18("1","5","5","10","5","2","1") = "9"
    & skf18("1","5","5","10","5","3","1") = "9"
    & skf18("1","5","5","10","5","4","1") = "9"
    & skf18("1","5","5","10","5","5","1") = "9"
    & skf18("1","5","5","10","5","6","1") = "9"
    & skf18("1","5","5","10","5","7","1") = "9"
    & skf18("1","5","5","10","5","8","1") = "9"
    & skf18("1","5","5","10","5","9","1") = "9"
    & skf18("1","5","5","10","5","10","1") = "9"
    & skf18("1","5","5","10","6","1","1") = "9"
    & skf18("1","5","5","10","6","2","1") = "9"
    & skf18("1","5","5","10","6","3","1") = "9"
    & skf18("1","5","5","10","6","4","1") = "9"
    & skf18("1","5","5","10","6","5","1") = "9"
    & skf18("1","5","5","10","6","6","1") = "9"
    & skf18("1","5","5","10","6","7","1") = "9"
    & skf18("1","5","5","10","6","8","1") = "9"
    & skf18("1","5","5","10","6","9","1") = "9"
    & skf18("1","5","5","10","6","10","1") = "9"
    & skf18("1","5","5","10","7","1","1") = "9"
    & skf18("1","5","5","10","7","2","1") = "9"
    & skf18("1","5","5","10","7","3","1") = "9"
    & skf18("1","5","5","10","7","4","1") = "9"
    & skf18("1","5","5","10","7","5","1") = "9"
    & skf18("1","5","5","10","7","6","1") = "9"
    & skf18("1","5","5","10","7","7","1") = "9"
    & skf18("1","5","5","10","7","8","1") = "9"
    & skf18("1","5","5","10","7","9","1") = "9"
    & skf18("1","5","5","10","7","10","1") = "9"
    & skf18("1","5","5","10","8","1","1") = "9"
    & skf18("1","5","5","10","8","2","1") = "9"
    & skf18("1","5","5","10","8","3","1") = "9"
    & skf18("1","5","5","10","8","4","1") = "9"
    & skf18("1","5","5","10","8","5","1") = "9"
    & skf18("1","5","5","10","8","6","1") = "9"
    & skf18("1","5","5","10","8","7","1") = "9"
    & skf18("1","5","5","10","8","8","1") = "9"
    & skf18("1","5","5","10","8","9","1") = "9"
    & skf18("1","5","5","10","8","10","1") = "9"
    & skf18("1","5","5","10","9","1","1") = "9"
    & skf18("1","5","5","10","9","2","1") = "9"
    & skf18("1","5","5","10","9","3","1") = "9"
    & skf18("1","5","5","10","9","4","1") = "9"
    & skf18("1","5","5","10","9","5","1") = "9"
    & skf18("1","5","5","10","9","6","1") = "9"
    & skf18("1","5","5","10","9","7","1") = "9"
    & skf18("1","5","5","10","9","8","1") = "9"
    & skf18("1","5","5","10","9","9","1") = "9"
    & skf18("1","5","5","10","9","10","1") = "9"
    & skf18("1","5","5","10","10","1","1") = "9"
    & skf18("1","5","5","10","10","2","1") = "9"
    & skf18("1","5","5","10","10","3","1") = "9"
    & skf18("1","5","5","10","10","4","1") = "9"
    & skf18("1","5","5","10","10","5","1") = "9"
    & skf18("1","5","5","10","10","6","1") = "9"
    & skf18("1","5","5","10","10","7","1") = "9"
    & skf18("1","5","5","10","10","8","1") = "9"
    & skf18("1","5","5","10","10","9","1") = "9"
    & skf18("1","5","5","10","10","10","1") = "9"
    & skf18("1","5","6","1","1","1","1") = "5"
    & skf18("1","5","6","1","1","2","1") = "5"
    & skf18("1","5","6","1","1","3","1") = "5"
    & skf18("1","5","6","1","1","4","1") = "5"
    & skf18("1","5","6","1","1","5","1") = "5"
    & skf18("1","5","6","1","1","6","1") = "5"
    & skf18("1","5","6","1","1","7","1") = "6"
    & skf18("1","5","6","1","1","8","1") = "7"
    & skf18("1","5","6","1","1","9","1") = "8"
    & skf18("1","5","6","1","1","10","1") = "9"
    & skf18("1","5","6","1","2","1","1") = "5"
    & skf18("1","5","6","1","2","2","1") = "5"
    & skf18("1","5","6","1","2","3","1") = "5"
    & skf18("1","5","6","1","2","4","1") = "5"
    & skf18("1","5","6","1","2","5","1") = "5"
    & skf18("1","5","6","1","2","6","1") = "5"
    & skf18("1","5","6","1","2","7","1") = "6"
    & skf18("1","5","6","1","2","8","1") = "7"
    & skf18("1","5","6","1","2","9","1") = "8"
    & skf18("1","5","6","1","2","10","1") = "9"
    & skf18("1","5","6","1","3","1","1") = "5"
    & skf18("1","5","6","1","3","2","1") = "5"
    & skf18("1","5","6","1","3","3","1") = "5"
    & skf18("1","5","6","1","3","4","1") = "5"
    & skf18("1","5","6","1","3","5","1") = "5"
    & skf18("1","5","6","1","3","6","1") = "5"
    & skf18("1","5","6","1","3","7","1") = "6"
    & skf18("1","5","6","1","3","8","1") = "7"
    & skf18("1","5","6","1","3","9","1") = "8"
    & skf18("1","5","6","1","3","10","1") = "9"
    & skf18("1","5","6","1","4","1","1") = "5"
    & skf18("1","5","6","1","4","2","1") = "5"
    & skf18("1","5","6","1","4","3","1") = "5"
    & skf18("1","5","6","1","4","4","1") = "5"
    & skf18("1","5","6","1","4","5","1") = "5"
    & skf18("1","5","6","1","4","6","1") = "5"
    & skf18("1","5","6","1","4","7","1") = "6"
    & skf18("1","5","6","1","4","8","1") = "7"
    & skf18("1","5","6","1","4","9","1") = "8"
    & skf18("1","5","6","1","4","10","1") = "9"
    & skf18("1","5","6","1","5","1","1") = "5"
    & skf18("1","5","6","1","5","2","1") = "5"
    & skf18("1","5","6","1","5","3","1") = "5"
    & skf18("1","5","6","1","5","4","1") = "5"
    & skf18("1","5","6","1","5","5","1") = "5"
    & skf18("1","5","6","1","5","6","1") = "5"
    & skf18("1","5","6","1","5","7","1") = "6"
    & skf18("1","5","6","1","5","8","1") = "7"
    & skf18("1","5","6","1","5","9","1") = "8"
    & skf18("1","5","6","1","5","10","1") = "9"
    & skf18("1","5","6","1","6","1","1") = "5"
    & skf18("1","5","6","1","6","2","1") = "5"
    & skf18("1","5","6","1","6","3","1") = "5"
    & skf18("1","5","6","1","6","4","1") = "5"
    & skf18("1","5","6","1","6","5","1") = "5"
    & skf18("1","5","6","1","6","6","1") = "5"
    & skf18("1","5","6","1","6","7","1") = "6"
    & skf18("1","5","6","1","6","8","1") = "7"
    & skf18("1","5","6","1","6","9","1") = "8"
    & skf18("1","5","6","1","6","10","1") = "9"
    & skf18("1","5","6","1","7","1","1") = "6"
    & skf18("1","5","6","1","7","2","1") = "6"
    & skf18("1","5","6","1","7","3","1") = "6"
    & skf18("1","5","6","1","7","4","1") = "6"
    & skf18("1","5","6","1","7","5","1") = "6"
    & skf18("1","5","6","1","7","6","1") = "6"
    & skf18("1","5","6","1","7","7","1") = "6"
    & skf18("1","5","6","1","7","8","1") = "7"
    & skf18("1","5","6","1","7","9","1") = "8"
    & skf18("1","5","6","1","7","10","1") = "9"
    & skf18("1","5","6","1","8","1","1") = "7"
    & skf18("1","5","6","1","8","2","1") = "7"
    & skf18("1","5","6","1","8","3","1") = "7"
    & skf18("1","5","6","1","8","4","1") = "7"
    & skf18("1","5","6","1","8","5","1") = "7"
    & skf18("1","5","6","1","8","6","1") = "7"
    & skf18("1","5","6","1","8","7","1") = "7"
    & skf18("1","5","6","1","8","8","1") = "7"
    & skf18("1","5","6","1","8","9","1") = "8"
    & skf18("1","5","6","1","8","10","1") = "9"
    & skf18("1","5","6","1","9","1","1") = "8"
    & skf18("1","5","6","1","9","2","1") = "8"
    & skf18("1","5","6","1","9","3","1") = "8"
    & skf18("1","5","6","1","9","4","1") = "8"
    & skf18("1","5","6","1","9","5","1") = "8"
    & skf18("1","5","6","1","9","6","1") = "8"
    & skf18("1","5","6","1","9","7","1") = "8"
    & skf18("1","5","6","1","9","8","1") = "8"
    & skf18("1","5","6","1","9","9","1") = "8"
    & skf18("1","5","6","1","9","10","1") = "9"
    & skf18("1","5","6","1","10","1","1") = "9"
    & skf18("1","5","6","1","10","2","1") = "9"
    & skf18("1","5","6","1","10","3","1") = "9"
    & skf18("1","5","6","1","10","4","1") = "9"
    & skf18("1","5","6","1","10","5","1") = "9"
    & skf18("1","5","6","1","10","6","1") = "9"
    & skf18("1","5","6","1","10","7","1") = "9"
    & skf18("1","5","6","1","10","8","1") = "9"
    & skf18("1","5","6","1","10","9","1") = "9"
    & skf18("1","5","6","1","10","10","1") = "9"
    & skf18("1","5","6","2","1","1","1") = "5"
    & skf18("1","5","6","2","1","2","1") = "5"
    & skf18("1","5","6","2","1","3","1") = "5"
    & skf18("1","5","6","2","1","4","1") = "5"
    & skf18("1","5","6","2","1","5","1") = "5"
    & skf18("1","5","6","2","1","6","1") = "5"
    & skf18("1","5","6","2","1","7","1") = "6"
    & skf18("1","5","6","2","1","8","1") = "7"
    & skf18("1","5","6","2","1","9","1") = "8"
    & skf18("1","5","6","2","1","10","1") = "9"
    & skf18("1","5","6","2","2","1","1") = "5"
    & skf18("1","5","6","2","2","2","1") = "5"
    & skf18("1","5","6","2","2","3","1") = "5"
    & skf18("1","5","6","2","2","4","1") = "5"
    & skf18("1","5","6","2","2","5","1") = "5"
    & skf18("1","5","6","2","2","6","1") = "5"
    & skf18("1","5","6","2","2","7","1") = "6"
    & skf18("1","5","6","2","2","8","1") = "7"
    & skf18("1","5","6","2","2","9","1") = "8"
    & skf18("1","5","6","2","2","10","1") = "9"
    & skf18("1","5","6","2","3","1","1") = "5"
    & skf18("1","5","6","2","3","2","1") = "5"
    & skf18("1","5","6","2","3","3","1") = "5"
    & skf18("1","5","6","2","3","4","1") = "5"
    & skf18("1","5","6","2","3","5","1") = "5"
    & skf18("1","5","6","2","3","6","1") = "5"
    & skf18("1","5","6","2","3","7","1") = "6"
    & skf18("1","5","6","2","3","8","1") = "7"
    & skf18("1","5","6","2","3","9","1") = "8"
    & skf18("1","5","6","2","3","10","1") = "9"
    & skf18("1","5","6","2","4","1","1") = "5"
    & skf18("1","5","6","2","4","2","1") = "5"
    & skf18("1","5","6","2","4","3","1") = "5"
    & skf18("1","5","6","2","4","4","1") = "5"
    & skf18("1","5","6","2","4","5","1") = "5"
    & skf18("1","5","6","2","4","6","1") = "5"
    & skf18("1","5","6","2","4","7","1") = "6"
    & skf18("1","5","6","2","4","8","1") = "7"
    & skf18("1","5","6","2","4","9","1") = "8"
    & skf18("1","5","6","2","4","10","1") = "9"
    & skf18("1","5","6","2","5","1","1") = "5"
    & skf18("1","5","6","2","5","2","1") = "5"
    & skf18("1","5","6","2","5","3","1") = "5"
    & skf18("1","5","6","2","5","4","1") = "5"
    & skf18("1","5","6","2","5","5","1") = "5"
    & skf18("1","5","6","2","5","6","1") = "5"
    & skf18("1","5","6","2","5","7","1") = "6"
    & skf18("1","5","6","2","5","8","1") = "7"
    & skf18("1","5","6","2","5","9","1") = "8"
    & skf18("1","5","6","2","5","10","1") = "9"
    & skf18("1","5","6","2","6","1","1") = "5"
    & skf18("1","5","6","2","6","2","1") = "5"
    & skf18("1","5","6","2","6","3","1") = "5"
    & skf18("1","5","6","2","6","4","1") = "5"
    & skf18("1","5","6","2","6","5","1") = "5"
    & skf18("1","5","6","2","6","6","1") = "5"
    & skf18("1","5","6","2","6","7","1") = "6"
    & skf18("1","5","6","2","6","8","1") = "7"
    & skf18("1","5","6","2","6","9","1") = "8"
    & skf18("1","5","6","2","6","10","1") = "9"
    & skf18("1","5","6","2","7","1","1") = "6"
    & skf18("1","5","6","2","7","2","1") = "6"
    & skf18("1","5","6","2","7","3","1") = "6"
    & skf18("1","5","6","2","7","4","1") = "6"
    & skf18("1","5","6","2","7","5","1") = "6"
    & skf18("1","5","6","2","7","6","1") = "6"
    & skf18("1","5","6","2","7","7","1") = "6"
    & skf18("1","5","6","2","7","8","1") = "7"
    & skf18("1","5","6","2","7","9","1") = "8"
    & skf18("1","5","6","2","7","10","1") = "9"
    & skf18("1","5","6","2","8","1","1") = "7"
    & skf18("1","5","6","2","8","2","1") = "7"
    & skf18("1","5","6","2","8","3","1") = "7"
    & skf18("1","5","6","2","8","4","1") = "7"
    & skf18("1","5","6","2","8","5","1") = "7"
    & skf18("1","5","6","2","8","6","1") = "7"
    & skf18("1","5","6","2","8","7","1") = "7"
    & skf18("1","5","6","2","8","8","1") = "7"
    & skf18("1","5","6","2","8","9","1") = "8"
    & skf18("1","5","6","2","8","10","1") = "9"
    & skf18("1","5","6","2","9","1","1") = "8"
    & skf18("1","5","6","2","9","2","1") = "8"
    & skf18("1","5","6","2","9","3","1") = "8"
    & skf18("1","5","6","2","9","4","1") = "8"
    & skf18("1","5","6","2","9","5","1") = "8"
    & skf18("1","5","6","2","9","6","1") = "8"
    & skf18("1","5","6","2","9","7","1") = "8"
    & skf18("1","5","6","2","9","8","1") = "8"
    & skf18("1","5","6","2","9","9","1") = "8"
    & skf18("1","5","6","2","9","10","1") = "9"
    & skf18("1","5","6","2","10","1","1") = "9"
    & skf18("1","5","6","2","10","2","1") = "9"
    & skf18("1","5","6","2","10","3","1") = "9"
    & skf18("1","5","6","2","10","4","1") = "9"
    & skf18("1","5","6","2","10","5","1") = "9"
    & skf18("1","5","6","2","10","6","1") = "9"
    & skf18("1","5","6","2","10","7","1") = "9"
    & skf18("1","5","6","2","10","8","1") = "9"
    & skf18("1","5","6","2","10","9","1") = "9"
    & skf18("1","5","6","2","10","10","1") = "9"
    & skf18("1","5","6","3","1","1","1") = "5"
    & skf18("1","5","6","3","1","2","1") = "5"
    & skf18("1","5","6","3","1","3","1") = "5"
    & skf18("1","5","6","3","1","4","1") = "5"
    & skf18("1","5","6","3","1","5","1") = "5"
    & skf18("1","5","6","3","1","6","1") = "5"
    & skf18("1","5","6","3","1","7","1") = "6"
    & skf18("1","5","6","3","1","8","1") = "7"
    & skf18("1","5","6","3","1","9","1") = "8"
    & skf18("1","5","6","3","1","10","1") = "9"
    & skf18("1","5","6","3","2","1","1") = "5"
    & skf18("1","5","6","3","2","2","1") = "5"
    & skf18("1","5","6","3","2","3","1") = "5"
    & skf18("1","5","6","3","2","4","1") = "5"
    & skf18("1","5","6","3","2","5","1") = "5"
    & skf18("1","5","6","3","2","6","1") = "5"
    & skf18("1","5","6","3","2","7","1") = "6"
    & skf18("1","5","6","3","2","8","1") = "7"
    & skf18("1","5","6","3","2","9","1") = "8"
    & skf18("1","5","6","3","2","10","1") = "9"
    & skf18("1","5","6","3","3","1","1") = "5"
    & skf18("1","5","6","3","3","2","1") = "5"
    & skf18("1","5","6","3","3","3","1") = "5"
    & skf18("1","5","6","3","3","4","1") = "5"
    & skf18("1","5","6","3","3","5","1") = "5"
    & skf18("1","5","6","3","3","6","1") = "5"
    & skf18("1","5","6","3","3","7","1") = "6"
    & skf18("1","5","6","3","3","8","1") = "7"
    & skf18("1","5","6","3","3","9","1") = "8"
    & skf18("1","5","6","3","3","10","1") = "9"
    & skf18("1","5","6","3","4","1","1") = "5"
    & skf18("1","5","6","3","4","2","1") = "5"
    & skf18("1","5","6","3","4","3","1") = "5"
    & skf18("1","5","6","3","4","4","1") = "5"
    & skf18("1","5","6","3","4","5","1") = "5"
    & skf18("1","5","6","3","4","6","1") = "5"
    & skf18("1","5","6","3","4","7","1") = "6"
    & skf18("1","5","6","3","4","8","1") = "7"
    & skf18("1","5","6","3","4","9","1") = "8"
    & skf18("1","5","6","3","4","10","1") = "9"
    & skf18("1","5","6","3","5","1","1") = "5"
    & skf18("1","5","6","3","5","2","1") = "5"
    & skf18("1","5","6","3","5","3","1") = "5"
    & skf18("1","5","6","3","5","4","1") = "5"
    & skf18("1","5","6","3","5","5","1") = "5"
    & skf18("1","5","6","3","5","6","1") = "5"
    & skf18("1","5","6","3","5","7","1") = "6"
    & skf18("1","5","6","3","5","8","1") = "7"
    & skf18("1","5","6","3","5","9","1") = "8"
    & skf18("1","5","6","3","5","10","1") = "9"
    & skf18("1","5","6","3","6","1","1") = "5"
    & skf18("1","5","6","3","6","2","1") = "5"
    & skf18("1","5","6","3","6","3","1") = "5"
    & skf18("1","5","6","3","6","4","1") = "5"
    & skf18("1","5","6","3","6","5","1") = "5"
    & skf18("1","5","6","3","6","6","1") = "5"
    & skf18("1","5","6","3","6","7","1") = "6"
    & skf18("1","5","6","3","6","8","1") = "7"
    & skf18("1","5","6","3","6","9","1") = "8"
    & skf18("1","5","6","3","6","10","1") = "9"
    & skf18("1","5","6","3","7","1","1") = "6"
    & skf18("1","5","6","3","7","2","1") = "6"
    & skf18("1","5","6","3","7","3","1") = "6"
    & skf18("1","5","6","3","7","4","1") = "6"
    & skf18("1","5","6","3","7","5","1") = "6"
    & skf18("1","5","6","3","7","6","1") = "6"
    & skf18("1","5","6","3","7","7","1") = "6"
    & skf18("1","5","6","3","7","8","1") = "7"
    & skf18("1","5","6","3","7","9","1") = "8"
    & skf18("1","5","6","3","7","10","1") = "9"
    & skf18("1","5","6","3","8","1","1") = "7"
    & skf18("1","5","6","3","8","2","1") = "7"
    & skf18("1","5","6","3","8","3","1") = "7"
    & skf18("1","5","6","3","8","4","1") = "7"
    & skf18("1","5","6","3","8","5","1") = "7"
    & skf18("1","5","6","3","8","6","1") = "7"
    & skf18("1","5","6","3","8","7","1") = "7"
    & skf18("1","5","6","3","8","8","1") = "7"
    & skf18("1","5","6","3","8","9","1") = "8"
    & skf18("1","5","6","3","8","10","1") = "9"
    & skf18("1","5","6","3","9","1","1") = "8"
    & skf18("1","5","6","3","9","2","1") = "8"
    & skf18("1","5","6","3","9","3","1") = "8"
    & skf18("1","5","6","3","9","4","1") = "8"
    & skf18("1","5","6","3","9","5","1") = "8"
    & skf18("1","5","6","3","9","6","1") = "8"
    & skf18("1","5","6","3","9","7","1") = "8"
    & skf18("1","5","6","3","9","8","1") = "8"
    & skf18("1","5","6","3","9","9","1") = "8"
    & skf18("1","5","6","3","9","10","1") = "9"
    & skf18("1","5","6","3","10","1","1") = "9"
    & skf18("1","5","6","3","10","2","1") = "9"
    & skf18("1","5","6","3","10","3","1") = "9"
    & skf18("1","5","6","3","10","4","1") = "9"
    & skf18("1","5","6","3","10","5","1") = "9"
    & skf18("1","5","6","3","10","6","1") = "9"
    & skf18("1","5","6","3","10","7","1") = "9"
    & skf18("1","5","6","3","10","8","1") = "9"
    & skf18("1","5","6","3","10","9","1") = "9"
    & skf18("1","5","6","3","10","10","1") = "9"
    & skf18("1","5","6","4","1","1","1") = "5"
    & skf18("1","5","6","4","1","2","1") = "5"
    & skf18("1","5","6","4","1","3","1") = "5"
    & skf18("1","5","6","4","1","4","1") = "5"
    & skf18("1","5","6","4","1","5","1") = "5"
    & skf18("1","5","6","4","1","6","1") = "5"
    & skf18("1","5","6","4","1","7","1") = "6"
    & skf18("1","5","6","4","1","8","1") = "7"
    & skf18("1","5","6","4","1","9","1") = "8"
    & skf18("1","5","6","4","1","10","1") = "9"
    & skf18("1","5","6","4","2","1","1") = "5"
    & skf18("1","5","6","4","2","2","1") = "5"
    & skf18("1","5","6","4","2","3","1") = "5"
    & skf18("1","5","6","4","2","4","1") = "5"
    & skf18("1","5","6","4","2","5","1") = "5"
    & skf18("1","5","6","4","2","6","1") = "5"
    & skf18("1","5","6","4","2","7","1") = "6"
    & skf18("1","5","6","4","2","8","1") = "7"
    & skf18("1","5","6","4","2","9","1") = "8"
    & skf18("1","5","6","4","2","10","1") = "9"
    & skf18("1","5","6","4","3","1","1") = "5"
    & skf18("1","5","6","4","3","2","1") = "5"
    & skf18("1","5","6","4","3","3","1") = "5"
    & skf18("1","5","6","4","3","4","1") = "5"
    & skf18("1","5","6","4","3","5","1") = "5"
    & skf18("1","5","6","4","3","6","1") = "5"
    & skf18("1","5","6","4","3","7","1") = "6"
    & skf18("1","5","6","4","3","8","1") = "7"
    & skf18("1","5","6","4","3","9","1") = "8"
    & skf18("1","5","6","4","3","10","1") = "9"
    & skf18("1","5","6","4","4","1","1") = "5"
    & skf18("1","5","6","4","4","2","1") = "5"
    & skf18("1","5","6","4","4","3","1") = "5"
    & skf18("1","5","6","4","4","4","1") = "5"
    & skf18("1","5","6","4","4","5","1") = "5"
    & skf18("1","5","6","4","4","6","1") = "5"
    & skf18("1","5","6","4","4","7","1") = "6"
    & skf18("1","5","6","4","4","8","1") = "7"
    & skf18("1","5","6","4","4","9","1") = "8"
    & skf18("1","5","6","4","4","10","1") = "9"
    & skf18("1","5","6","4","5","1","1") = "5"
    & skf18("1","5","6","4","5","2","1") = "5"
    & skf18("1","5","6","4","5","3","1") = "5"
    & skf18("1","5","6","4","5","4","1") = "5"
    & skf18("1","5","6","4","5","5","1") = "5"
    & skf18("1","5","6","4","5","6","1") = "5"
    & skf18("1","5","6","4","5","7","1") = "6"
    & skf18("1","5","6","4","5","8","1") = "7"
    & skf18("1","5","6","4","5","9","1") = "8"
    & skf18("1","5","6","4","5","10","1") = "9"
    & skf18("1","5","6","4","6","1","1") = "5"
    & skf18("1","5","6","4","6","2","1") = "5"
    & skf18("1","5","6","4","6","3","1") = "5"
    & skf18("1","5","6","4","6","4","1") = "5"
    & skf18("1","5","6","4","6","5","1") = "5"
    & skf18("1","5","6","4","6","6","1") = "5"
    & skf18("1","5","6","4","6","7","1") = "6"
    & skf18("1","5","6","4","6","8","1") = "7"
    & skf18("1","5","6","4","6","9","1") = "8"
    & skf18("1","5","6","4","6","10","1") = "9"
    & skf18("1","5","6","4","7","1","1") = "6"
    & skf18("1","5","6","4","7","2","1") = "6"
    & skf18("1","5","6","4","7","3","1") = "6"
    & skf18("1","5","6","4","7","4","1") = "6"
    & skf18("1","5","6","4","7","5","1") = "6"
    & skf18("1","5","6","4","7","6","1") = "6"
    & skf18("1","5","6","4","7","7","1") = "6"
    & skf18("1","5","6","4","7","8","1") = "7"
    & skf18("1","5","6","4","7","9","1") = "8"
    & skf18("1","5","6","4","7","10","1") = "9"
    & skf18("1","5","6","4","8","1","1") = "7"
    & skf18("1","5","6","4","8","2","1") = "7"
    & skf18("1","5","6","4","8","3","1") = "7"
    & skf18("1","5","6","4","8","4","1") = "7"
    & skf18("1","5","6","4","8","5","1") = "7"
    & skf18("1","5","6","4","8","6","1") = "7"
    & skf18("1","5","6","4","8","7","1") = "7"
    & skf18("1","5","6","4","8","8","1") = "7"
    & skf18("1","5","6","4","8","9","1") = "8"
    & skf18("1","5","6","4","8","10","1") = "9"
    & skf18("1","5","6","4","9","1","1") = "8"
    & skf18("1","5","6","4","9","2","1") = "8"
    & skf18("1","5","6","4","9","3","1") = "8"
    & skf18("1","5","6","4","9","4","1") = "8"
    & skf18("1","5","6","4","9","5","1") = "8"
    & skf18("1","5","6","4","9","6","1") = "8"
    & skf18("1","5","6","4","9","7","1") = "8"
    & skf18("1","5","6","4","9","8","1") = "8"
    & skf18("1","5","6","4","9","9","1") = "8"
    & skf18("1","5","6","4","9","10","1") = "9"
    & skf18("1","5","6","4","10","1","1") = "9"
    & skf18("1","5","6","4","10","2","1") = "9"
    & skf18("1","5","6","4","10","3","1") = "9"
    & skf18("1","5","6","4","10","4","1") = "9"
    & skf18("1","5","6","4","10","5","1") = "9"
    & skf18("1","5","6","4","10","6","1") = "9"
    & skf18("1","5","6","4","10","7","1") = "9"
    & skf18("1","5","6","4","10","8","1") = "9"
    & skf18("1","5","6","4","10","9","1") = "9"
    & skf18("1","5","6","4","10","10","1") = "9"
    & skf18("1","5","6","5","1","1","1") = "5"
    & skf18("1","5","6","5","1","2","1") = "5"
    & skf18("1","5","6","5","1","3","1") = "5"
    & skf18("1","5","6","5","1","4","1") = "5"
    & skf18("1","5","6","5","1","5","1") = "5"
    & skf18("1","5","6","5","1","6","1") = "5"
    & skf18("1","5","6","5","1","7","1") = "6"
    & skf18("1","5","6","5","1","8","1") = "7"
    & skf18("1","5","6","5","1","9","1") = "8"
    & skf18("1","5","6","5","1","10","1") = "9"
    & skf18("1","5","6","5","2","1","1") = "5"
    & skf18("1","5","6","5","2","2","1") = "5"
    & skf18("1","5","6","5","2","3","1") = "5"
    & skf18("1","5","6","5","2","4","1") = "5"
    & skf18("1","5","6","5","2","5","1") = "5"
    & skf18("1","5","6","5","2","6","1") = "5"
    & skf18("1","5","6","5","2","7","1") = "6"
    & skf18("1","5","6","5","2","8","1") = "7"
    & skf18("1","5","6","5","2","9","1") = "8"
    & skf18("1","5","6","5","2","10","1") = "9"
    & skf18("1","5","6","5","3","1","1") = "5"
    & skf18("1","5","6","5","3","2","1") = "5"
    & skf18("1","5","6","5","3","3","1") = "5"
    & skf18("1","5","6","5","3","4","1") = "5"
    & skf18("1","5","6","5","3","5","1") = "5"
    & skf18("1","5","6","5","3","6","1") = "5"
    & skf18("1","5","6","5","3","7","1") = "6"
    & skf18("1","5","6","5","3","8","1") = "7"
    & skf18("1","5","6","5","3","9","1") = "8"
    & skf18("1","5","6","5","3","10","1") = "9"
    & skf18("1","5","6","5","4","1","1") = "5"
    & skf18("1","5","6","5","4","2","1") = "5"
    & skf18("1","5","6","5","4","3","1") = "5"
    & skf18("1","5","6","5","4","4","1") = "5"
    & skf18("1","5","6","5","4","5","1") = "5"
    & skf18("1","5","6","5","4","6","1") = "5"
    & skf18("1","5","6","5","4","7","1") = "6"
    & skf18("1","5","6","5","4","8","1") = "7"
    & skf18("1","5","6","5","4","9","1") = "8"
    & skf18("1","5","6","5","4","10","1") = "9"
    & skf18("1","5","6","5","5","1","1") = "5"
    & skf18("1","5","6","5","5","2","1") = "5"
    & skf18("1","5","6","5","5","3","1") = "5"
    & skf18("1","5","6","5","5","4","1") = "5"
    & skf18("1","5","6","5","5","5","1") = "5"
    & skf18("1","5","6","5","5","6","1") = "5"
    & skf18("1","5","6","5","5","7","1") = "6"
    & skf18("1","5","6","5","5","8","1") = "7"
    & skf18("1","5","6","5","5","9","1") = "8"
    & skf18("1","5","6","5","5","10","1") = "9"
    & skf18("1","5","6","5","6","1","1") = "5"
    & skf18("1","5","6","5","6","2","1") = "5"
    & skf18("1","5","6","5","6","3","1") = "5"
    & skf18("1","5","6","5","6","4","1") = "5"
    & skf18("1","5","6","5","6","5","1") = "5"
    & skf18("1","5","6","5","6","6","1") = "5"
    & skf18("1","5","6","5","6","7","1") = "6"
    & skf18("1","5","6","5","6","8","1") = "7"
    & skf18("1","5","6","5","6","9","1") = "8"
    & skf18("1","5","6","5","6","10","1") = "9"
    & skf18("1","5","6","5","7","1","1") = "6"
    & skf18("1","5","6","5","7","2","1") = "6"
    & skf18("1","5","6","5","7","3","1") = "6"
    & skf18("1","5","6","5","7","4","1") = "6"
    & skf18("1","5","6","5","7","5","1") = "6"
    & skf18("1","5","6","5","7","6","1") = "6"
    & skf18("1","5","6","5","7","7","1") = "6"
    & skf18("1","5","6","5","7","8","1") = "7"
    & skf18("1","5","6","5","7","9","1") = "8"
    & skf18("1","5","6","5","7","10","1") = "9"
    & skf18("1","5","6","5","8","1","1") = "7"
    & skf18("1","5","6","5","8","2","1") = "7"
    & skf18("1","5","6","5","8","3","1") = "7"
    & skf18("1","5","6","5","8","4","1") = "7"
    & skf18("1","5","6","5","8","5","1") = "7"
    & skf18("1","5","6","5","8","6","1") = "7"
    & skf18("1","5","6","5","8","7","1") = "7"
    & skf18("1","5","6","5","8","8","1") = "7"
    & skf18("1","5","6","5","8","9","1") = "8"
    & skf18("1","5","6","5","8","10","1") = "9"
    & skf18("1","5","6","5","9","1","1") = "8"
    & skf18("1","5","6","5","9","2","1") = "8"
    & skf18("1","5","6","5","9","3","1") = "8"
    & skf18("1","5","6","5","9","4","1") = "8"
    & skf18("1","5","6","5","9","5","1") = "8"
    & skf18("1","5","6","5","9","6","1") = "8"
    & skf18("1","5","6","5","9","7","1") = "8"
    & skf18("1","5","6","5","9","8","1") = "8"
    & skf18("1","5","6","5","9","9","1") = "8"
    & skf18("1","5","6","5","9","10","1") = "9"
    & skf18("1","5","6","5","10","1","1") = "9"
    & skf18("1","5","6","5","10","2","1") = "9"
    & skf18("1","5","6","5","10","3","1") = "9"
    & skf18("1","5","6","5","10","4","1") = "9"
    & skf18("1","5","6","5","10","5","1") = "9"
    & skf18("1","5","6","5","10","6","1") = "9"
    & skf18("1","5","6","5","10","7","1") = "9"
    & skf18("1","5","6","5","10","8","1") = "9"
    & skf18("1","5","6","5","10","9","1") = "9"
    & skf18("1","5","6","5","10","10","1") = "9"
    & skf18("1","5","6","6","1","1","1") = "5"
    & skf18("1","5","6","6","1","2","1") = "5"
    & skf18("1","5","6","6","1","3","1") = "5"
    & skf18("1","5","6","6","1","4","1") = "5"
    & skf18("1","5","6","6","1","5","1") = "5"
    & skf18("1","5","6","6","1","6","1") = "5"
    & skf18("1","5","6","6","1","7","1") = "6"
    & skf18("1","5","6","6","1","8","1") = "7"
    & skf18("1","5","6","6","1","9","1") = "8"
    & skf18("1","5","6","6","1","10","1") = "9"
    & skf18("1","5","6","6","2","1","1") = "5"
    & skf18("1","5","6","6","2","2","1") = "5"
    & skf18("1","5","6","6","2","3","1") = "5"
    & skf18("1","5","6","6","2","4","1") = "5"
    & skf18("1","5","6","6","2","5","1") = "5"
    & skf18("1","5","6","6","2","6","1") = "5"
    & skf18("1","5","6","6","2","7","1") = "6"
    & skf18("1","5","6","6","2","8","1") = "7"
    & skf18("1","5","6","6","2","9","1") = "8"
    & skf18("1","5","6","6","2","10","1") = "9"
    & skf18("1","5","6","6","3","1","1") = "5"
    & skf18("1","5","6","6","3","2","1") = "5"
    & skf18("1","5","6","6","3","3","1") = "5"
    & skf18("1","5","6","6","3","4","1") = "5"
    & skf18("1","5","6","6","3","5","1") = "5"
    & skf18("1","5","6","6","3","6","1") = "5"
    & skf18("1","5","6","6","3","7","1") = "6"
    & skf18("1","5","6","6","3","8","1") = "7"
    & skf18("1","5","6","6","3","9","1") = "8"
    & skf18("1","5","6","6","3","10","1") = "9"
    & skf18("1","5","6","6","4","1","1") = "5"
    & skf18("1","5","6","6","4","2","1") = "5"
    & skf18("1","5","6","6","4","3","1") = "5"
    & skf18("1","5","6","6","4","4","1") = "5"
    & skf18("1","5","6","6","4","5","1") = "5"
    & skf18("1","5","6","6","4","6","1") = "5"
    & skf18("1","5","6","6","4","7","1") = "6"
    & skf18("1","5","6","6","4","8","1") = "7"
    & skf18("1","5","6","6","4","9","1") = "8"
    & skf18("1","5","6","6","4","10","1") = "9"
    & skf18("1","5","6","6","5","1","1") = "5"
    & skf18("1","5","6","6","5","2","1") = "5"
    & skf18("1","5","6","6","5","3","1") = "5"
    & skf18("1","5","6","6","5","4","1") = "5"
    & skf18("1","5","6","6","5","5","1") = "5"
    & skf18("1","5","6","6","5","6","1") = "5"
    & skf18("1","5","6","6","5","7","1") = "6"
    & skf18("1","5","6","6","5","8","1") = "7"
    & skf18("1","5","6","6","5","9","1") = "8"
    & skf18("1","5","6","6","5","10","1") = "9"
    & skf18("1","5","6","6","6","1","1") = "5"
    & skf18("1","5","6","6","6","2","1") = "5"
    & skf18("1","5","6","6","6","3","1") = "5"
    & skf18("1","5","6","6","6","4","1") = "5"
    & skf18("1","5","6","6","6","5","1") = "5"
    & skf18("1","5","6","6","6","6","1") = "5"
    & skf18("1","5","6","6","6","7","1") = "6"
    & skf18("1","5","6","6","6","8","1") = "7"
    & skf18("1","5","6","6","6","9","1") = "8"
    & skf18("1","5","6","6","6","10","1") = "9"
    & skf18("1","5","6","6","7","1","1") = "6"
    & skf18("1","5","6","6","7","2","1") = "6"
    & skf18("1","5","6","6","7","3","1") = "6"
    & skf18("1","5","6","6","7","4","1") = "6"
    & skf18("1","5","6","6","7","5","1") = "6"
    & skf18("1","5","6","6","7","6","1") = "6"
    & skf18("1","5","6","6","7","7","1") = "6"
    & skf18("1","5","6","6","7","8","1") = "7"
    & skf18("1","5","6","6","7","9","1") = "8"
    & skf18("1","5","6","6","7","10","1") = "9"
    & skf18("1","5","6","6","8","1","1") = "7"
    & skf18("1","5","6","6","8","2","1") = "7"
    & skf18("1","5","6","6","8","3","1") = "7"
    & skf18("1","5","6","6","8","4","1") = "7"
    & skf18("1","5","6","6","8","5","1") = "7"
    & skf18("1","5","6","6","8","6","1") = "7"
    & skf18("1","5","6","6","8","7","1") = "7"
    & skf18("1","5","6","6","8","8","1") = "7"
    & skf18("1","5","6","6","8","9","1") = "8"
    & skf18("1","5","6","6","8","10","1") = "9"
    & skf18("1","5","6","6","9","1","1") = "8"
    & skf18("1","5","6","6","9","2","1") = "8"
    & skf18("1","5","6","6","9","3","1") = "8"
    & skf18("1","5","6","6","9","4","1") = "8"
    & skf18("1","5","6","6","9","5","1") = "8"
    & skf18("1","5","6","6","9","6","1") = "8"
    & skf18("1","5","6","6","9","7","1") = "8"
    & skf18("1","5","6","6","9","8","1") = "8"
    & skf18("1","5","6","6","9","9","1") = "8"
    & skf18("1","5","6","6","9","10","1") = "9"
    & skf18("1","5","6","6","10","1","1") = "9"
    & skf18("1","5","6","6","10","2","1") = "9"
    & skf18("1","5","6","6","10","3","1") = "9"
    & skf18("1","5","6","6","10","4","1") = "9"
    & skf18("1","5","6","6","10","5","1") = "9"
    & skf18("1","5","6","6","10","6","1") = "9"
    & skf18("1","5","6","6","10","7","1") = "9"
    & skf18("1","5","6","6","10","8","1") = "9"
    & skf18("1","5","6","6","10","9","1") = "9"
    & skf18("1","5","6","6","10","10","1") = "9"
    & skf18("1","5","6","7","1","1","1") = "6"
    & skf18("1","5","6","7","1","2","1") = "6"
    & skf18("1","5","6","7","1","3","1") = "6"
    & skf18("1","5","6","7","1","4","1") = "6"
    & skf18("1","5","6","7","1","5","1") = "6"
    & skf18("1","5","6","7","1","6","1") = "6"
    & skf18("1","5","6","7","1","7","1") = "6"
    & skf18("1","5","6","7","1","8","1") = "7"
    & skf18("1","5","6","7","1","9","1") = "8"
    & skf18("1","5","6","7","1","10","1") = "9"
    & skf18("1","5","6","7","2","1","1") = "6"
    & skf18("1","5","6","7","2","2","1") = "6"
    & skf18("1","5","6","7","2","3","1") = "6"
    & skf18("1","5","6","7","2","4","1") = "6"
    & skf18("1","5","6","7","2","5","1") = "6"
    & skf18("1","5","6","7","2","6","1") = "6"
    & skf18("1","5","6","7","2","7","1") = "6"
    & skf18("1","5","6","7","2","8","1") = "7"
    & skf18("1","5","6","7","2","9","1") = "8"
    & skf18("1","5","6","7","2","10","1") = "9"
    & skf18("1","5","6","7","3","1","1") = "6"
    & skf18("1","5","6","7","3","2","1") = "6"
    & skf18("1","5","6","7","3","3","1") = "6"
    & skf18("1","5","6","7","3","4","1") = "6"
    & skf18("1","5","6","7","3","5","1") = "6"
    & skf18("1","5","6","7","3","6","1") = "6"
    & skf18("1","5","6","7","3","7","1") = "6"
    & skf18("1","5","6","7","3","8","1") = "7"
    & skf18("1","5","6","7","3","9","1") = "8"
    & skf18("1","5","6","7","3","10","1") = "9"
    & skf18("1","5","6","7","4","1","1") = "6"
    & skf18("1","5","6","7","4","2","1") = "6"
    & skf18("1","5","6","7","4","3","1") = "6"
    & skf18("1","5","6","7","4","4","1") = "6"
    & skf18("1","5","6","7","4","5","1") = "6"
    & skf18("1","5","6","7","4","6","1") = "6"
    & skf18("1","5","6","7","4","7","1") = "6"
    & skf18("1","5","6","7","4","8","1") = "7"
    & skf18("1","5","6","7","4","9","1") = "8"
    & skf18("1","5","6","7","4","10","1") = "9"
    & skf18("1","5","6","7","5","1","1") = "6"
    & skf18("1","5","6","7","5","2","1") = "6"
    & skf18("1","5","6","7","5","3","1") = "6"
    & skf18("1","5","6","7","5","4","1") = "6"
    & skf18("1","5","6","7","5","5","1") = "6"
    & skf18("1","5","6","7","5","6","1") = "6"
    & skf18("1","5","6","7","5","7","1") = "6"
    & skf18("1","5","6","7","5","8","1") = "7"
    & skf18("1","5","6","7","5","9","1") = "8"
    & skf18("1","5","6","7","5","10","1") = "9"
    & skf18("1","5","6","7","6","1","1") = "6"
    & skf18("1","5","6","7","6","2","1") = "6"
    & skf18("1","5","6","7","6","3","1") = "6"
    & skf18("1","5","6","7","6","4","1") = "6"
    & skf18("1","5","6","7","6","5","1") = "6"
    & skf18("1","5","6","7","6","6","1") = "6"
    & skf18("1","5","6","7","6","7","1") = "6"
    & skf18("1","5","6","7","6","8","1") = "7"
    & skf18("1","5","6","7","6","9","1") = "8"
    & skf18("1","5","6","7","6","10","1") = "9"
    & skf18("1","5","6","7","7","1","1") = "6"
    & skf18("1","5","6","7","7","2","1") = "6"
    & skf18("1","5","6","7","7","3","1") = "6"
    & skf18("1","5","6","7","7","4","1") = "6"
    & skf18("1","5","6","7","7","5","1") = "6"
    & skf18("1","5","6","7","7","6","1") = "6"
    & skf18("1","5","6","7","7","7","1") = "6"
    & skf18("1","5","6","7","7","8","1") = "7"
    & skf18("1","5","6","7","7","9","1") = "8"
    & skf18("1","5","6","7","7","10","1") = "9"
    & skf18("1","5","6","7","8","1","1") = "7"
    & skf18("1","5","6","7","8","2","1") = "7"
    & skf18("1","5","6","7","8","3","1") = "7"
    & skf18("1","5","6","7","8","4","1") = "7"
    & skf18("1","5","6","7","8","5","1") = "7"
    & skf18("1","5","6","7","8","6","1") = "7"
    & skf18("1","5","6","7","8","7","1") = "7"
    & skf18("1","5","6","7","8","8","1") = "7"
    & skf18("1","5","6","7","8","9","1") = "8"
    & skf18("1","5","6","7","8","10","1") = "9"
    & skf18("1","5","6","7","9","1","1") = "8"
    & skf18("1","5","6","7","9","2","1") = "8"
    & skf18("1","5","6","7","9","3","1") = "8"
    & skf18("1","5","6","7","9","4","1") = "8"
    & skf18("1","5","6","7","9","5","1") = "8"
    & skf18("1","5","6","7","9","6","1") = "8"
    & skf18("1","5","6","7","9","7","1") = "8"
    & skf18("1","5","6","7","9","8","1") = "8"
    & skf18("1","5","6","7","9","9","1") = "8"
    & skf18("1","5","6","7","9","10","1") = "9"
    & skf18("1","5","6","7","10","1","1") = "9"
    & skf18("1","5","6","7","10","2","1") = "9"
    & skf18("1","5","6","7","10","3","1") = "9"
    & skf18("1","5","6","7","10","4","1") = "9"
    & skf18("1","5","6","7","10","5","1") = "9"
    & skf18("1","5","6","7","10","6","1") = "9"
    & skf18("1","5","6","7","10","7","1") = "9"
    & skf18("1","5","6","7","10","8","1") = "9"
    & skf18("1","5","6","7","10","9","1") = "9"
    & skf18("1","5","6","7","10","10","1") = "9"
    & skf18("1","5","6","8","1","1","1") = "7"
    & skf18("1","5","6","8","1","2","1") = "7"
    & skf18("1","5","6","8","1","3","1") = "7"
    & skf18("1","5","6","8","1","4","1") = "7"
    & skf18("1","5","6","8","1","5","1") = "7"
    & skf18("1","5","6","8","1","6","1") = "7"
    & skf18("1","5","6","8","1","7","1") = "7"
    & skf18("1","5","6","8","1","8","1") = "7"
    & skf18("1","5","6","8","1","9","1") = "8"
    & skf18("1","5","6","8","1","10","1") = "9"
    & skf18("1","5","6","8","2","1","1") = "7"
    & skf18("1","5","6","8","2","2","1") = "7"
    & skf18("1","5","6","8","2","3","1") = "7"
    & skf18("1","5","6","8","2","4","1") = "7"
    & skf18("1","5","6","8","2","5","1") = "7"
    & skf18("1","5","6","8","2","6","1") = "7"
    & skf18("1","5","6","8","2","7","1") = "7"
    & skf18("1","5","6","8","2","8","1") = "7"
    & skf18("1","5","6","8","2","9","1") = "8"
    & skf18("1","5","6","8","2","10","1") = "9"
    & skf18("1","5","6","8","3","1","1") = "7"
    & skf18("1","5","6","8","3","2","1") = "7"
    & skf18("1","5","6","8","3","3","1") = "7"
    & skf18("1","5","6","8","3","4","1") = "7"
    & skf18("1","5","6","8","3","5","1") = "7"
    & skf18("1","5","6","8","3","6","1") = "7"
    & skf18("1","5","6","8","3","7","1") = "7"
    & skf18("1","5","6","8","3","8","1") = "7"
    & skf18("1","5","6","8","3","9","1") = "8"
    & skf18("1","5","6","8","3","10","1") = "9"
    & skf18("1","5","6","8","4","1","1") = "7"
    & skf18("1","5","6","8","4","2","1") = "7"
    & skf18("1","5","6","8","4","3","1") = "7"
    & skf18("1","5","6","8","4","4","1") = "7"
    & skf18("1","5","6","8","4","5","1") = "7"
    & skf18("1","5","6","8","4","6","1") = "7"
    & skf18("1","5","6","8","4","7","1") = "7"
    & skf18("1","5","6","8","4","8","1") = "7"
    & skf18("1","5","6","8","4","9","1") = "8"
    & skf18("1","5","6","8","4","10","1") = "9"
    & skf18("1","5","6","8","5","1","1") = "7"
    & skf18("1","5","6","8","5","2","1") = "7"
    & skf18("1","5","6","8","5","3","1") = "7"
    & skf18("1","5","6","8","5","4","1") = "7"
    & skf18("1","5","6","8","5","5","1") = "7"
    & skf18("1","5","6","8","5","6","1") = "7"
    & skf18("1","5","6","8","5","7","1") = "7"
    & skf18("1","5","6","8","5","8","1") = "7"
    & skf18("1","5","6","8","5","9","1") = "8"
    & skf18("1","5","6","8","5","10","1") = "9"
    & skf18("1","5","6","8","6","1","1") = "7"
    & skf18("1","5","6","8","6","2","1") = "7"
    & skf18("1","5","6","8","6","3","1") = "7"
    & skf18("1","5","6","8","6","4","1") = "7"
    & skf18("1","5","6","8","6","5","1") = "7"
    & skf18("1","5","6","8","6","6","1") = "7"
    & skf18("1","5","6","8","6","7","1") = "7"
    & skf18("1","5","6","8","6","8","1") = "7"
    & skf18("1","5","6","8","6","9","1") = "8"
    & skf18("1","5","6","8","6","10","1") = "9"
    & skf18("1","5","6","8","7","1","1") = "7"
    & skf18("1","5","6","8","7","2","1") = "7"
    & skf18("1","5","6","8","7","3","1") = "7"
    & skf18("1","5","6","8","7","4","1") = "7"
    & skf18("1","5","6","8","7","5","1") = "7"
    & skf18("1","5","6","8","7","6","1") = "7"
    & skf18("1","5","6","8","7","7","1") = "7"
    & skf18("1","5","6","8","7","8","1") = "7"
    & skf18("1","5","6","8","7","9","1") = "8"
    & skf18("1","5","6","8","7","10","1") = "9"
    & skf18("1","5","6","8","8","1","1") = "7"
    & skf18("1","5","6","8","8","2","1") = "7"
    & skf18("1","5","6","8","8","3","1") = "7"
    & skf18("1","5","6","8","8","4","1") = "7"
    & skf18("1","5","6","8","8","5","1") = "7"
    & skf18("1","5","6","8","8","6","1") = "7"
    & skf18("1","5","6","8","8","7","1") = "7"
    & skf18("1","5","6","8","8","8","1") = "7"
    & skf18("1","5","6","8","8","9","1") = "8"
    & skf18("1","5","6","8","8","10","1") = "9"
    & skf18("1","5","6","8","9","1","1") = "8"
    & skf18("1","5","6","8","9","2","1") = "8"
    & skf18("1","5","6","8","9","3","1") = "8"
    & skf18("1","5","6","8","9","4","1") = "8"
    & skf18("1","5","6","8","9","5","1") = "8"
    & skf18("1","5","6","8","9","6","1") = "8"
    & skf18("1","5","6","8","9","7","1") = "8"
    & skf18("1","5","6","8","9","8","1") = "8"
    & skf18("1","5","6","8","9","9","1") = "8"
    & skf18("1","5","6","8","9","10","1") = "9"
    & skf18("1","5","6","8","10","1","1") = "9"
    & skf18("1","5","6","8","10","2","1") = "9"
    & skf18("1","5","6","8","10","3","1") = "9"
    & skf18("1","5","6","8","10","4","1") = "9"
    & skf18("1","5","6","8","10","5","1") = "9"
    & skf18("1","5","6","8","10","6","1") = "9"
    & skf18("1","5","6","8","10","7","1") = "9"
    & skf18("1","5","6","8","10","8","1") = "9"
    & skf18("1","5","6","8","10","9","1") = "9"
    & skf18("1","5","6","8","10","10","1") = "9"
    & skf18("1","5","6","9","1","1","1") = "8"
    & skf18("1","5","6","9","1","2","1") = "8"
    & skf18("1","5","6","9","1","3","1") = "8"
    & skf18("1","5","6","9","1","4","1") = "8"
    & skf18("1","5","6","9","1","5","1") = "8"
    & skf18("1","5","6","9","1","6","1") = "8"
    & skf18("1","5","6","9","1","7","1") = "8"
    & skf18("1","5","6","9","1","8","1") = "8"
    & skf18("1","5","6","9","1","9","1") = "8"
    & skf18("1","5","6","9","1","10","1") = "9"
    & skf18("1","5","6","9","2","1","1") = "8"
    & skf18("1","5","6","9","2","2","1") = "8"
    & skf18("1","5","6","9","2","3","1") = "8"
    & skf18("1","5","6","9","2","4","1") = "8"
    & skf18("1","5","6","9","2","5","1") = "8"
    & skf18("1","5","6","9","2","6","1") = "8"
    & skf18("1","5","6","9","2","7","1") = "8"
    & skf18("1","5","6","9","2","8","1") = "8"
    & skf18("1","5","6","9","2","9","1") = "8"
    & skf18("1","5","6","9","2","10","1") = "9"
    & skf18("1","5","6","9","3","1","1") = "8"
    & skf18("1","5","6","9","3","2","1") = "8"
    & skf18("1","5","6","9","3","3","1") = "8"
    & skf18("1","5","6","9","3","4","1") = "8"
    & skf18("1","5","6","9","3","5","1") = "8"
    & skf18("1","5","6","9","3","6","1") = "8"
    & skf18("1","5","6","9","3","7","1") = "8"
    & skf18("1","5","6","9","3","8","1") = "8"
    & skf18("1","5","6","9","3","9","1") = "8"
    & skf18("1","5","6","9","3","10","1") = "9"
    & skf18("1","5","6","9","4","1","1") = "8"
    & skf18("1","5","6","9","4","2","1") = "8"
    & skf18("1","5","6","9","4","3","1") = "8"
    & skf18("1","5","6","9","4","4","1") = "8"
    & skf18("1","5","6","9","4","5","1") = "8"
    & skf18("1","5","6","9","4","6","1") = "8"
    & skf18("1","5","6","9","4","7","1") = "8"
    & skf18("1","5","6","9","4","8","1") = "8"
    & skf18("1","5","6","9","4","9","1") = "8"
    & skf18("1","5","6","9","4","10","1") = "9"
    & skf18("1","5","6","9","5","1","1") = "8"
    & skf18("1","5","6","9","5","2","1") = "8"
    & skf18("1","5","6","9","5","3","1") = "8"
    & skf18("1","5","6","9","5","4","1") = "8"
    & skf18("1","5","6","9","5","5","1") = "8"
    & skf18("1","5","6","9","5","6","1") = "8"
    & skf18("1","5","6","9","5","7","1") = "8"
    & skf18("1","5","6","9","5","8","1") = "8"
    & skf18("1","5","6","9","5","9","1") = "8"
    & skf18("1","5","6","9","5","10","1") = "9"
    & skf18("1","5","6","9","6","1","1") = "8"
    & skf18("1","5","6","9","6","2","1") = "8"
    & skf18("1","5","6","9","6","3","1") = "8"
    & skf18("1","5","6","9","6","4","1") = "8"
    & skf18("1","5","6","9","6","5","1") = "8"
    & skf18("1","5","6","9","6","6","1") = "8"
    & skf18("1","5","6","9","6","7","1") = "8"
    & skf18("1","5","6","9","6","8","1") = "8"
    & skf18("1","5","6","9","6","9","1") = "8"
    & skf18("1","5","6","9","6","10","1") = "9"
    & skf18("1","5","6","9","7","1","1") = "8"
    & skf18("1","5","6","9","7","2","1") = "8"
    & skf18("1","5","6","9","7","3","1") = "8"
    & skf18("1","5","6","9","7","4","1") = "8"
    & skf18("1","5","6","9","7","5","1") = "8"
    & skf18("1","5","6","9","7","6","1") = "8"
    & skf18("1","5","6","9","7","7","1") = "8"
    & skf18("1","5","6","9","7","8","1") = "8"
    & skf18("1","5","6","9","7","9","1") = "8"
    & skf18("1","5","6","9","7","10","1") = "9"
    & skf18("1","5","6","9","8","1","1") = "8"
    & skf18("1","5","6","9","8","2","1") = "8"
    & skf18("1","5","6","9","8","3","1") = "8"
    & skf18("1","5","6","9","8","4","1") = "8"
    & skf18("1","5","6","9","8","5","1") = "8"
    & skf18("1","5","6","9","8","6","1") = "8"
    & skf18("1","5","6","9","8","7","1") = "8"
    & skf18("1","5","6","9","8","8","1") = "8"
    & skf18("1","5","6","9","8","9","1") = "8"
    & skf18("1","5","6","9","8","10","1") = "9"
    & skf18("1","5","6","9","9","1","1") = "8"
    & skf18("1","5","6","9","9","2","1") = "8"
    & skf18("1","5","6","9","9","3","1") = "8"
    & skf18("1","5","6","9","9","4","1") = "8"
    & skf18("1","5","6","9","9","5","1") = "8"
    & skf18("1","5","6","9","9","6","1") = "8"
    & skf18("1","5","6","9","9","7","1") = "8"
    & skf18("1","5","6","9","9","8","1") = "8"
    & skf18("1","5","6","9","9","9","1") = "8"
    & skf18("1","5","6","9","9","10","1") = "9"
    & skf18("1","5","6","9","10","1","1") = "9"
    & skf18("1","5","6","9","10","2","1") = "9"
    & skf18("1","5","6","9","10","3","1") = "9"
    & skf18("1","5","6","9","10","4","1") = "9"
    & skf18("1","5","6","9","10","5","1") = "9"
    & skf18("1","5","6","9","10","6","1") = "9"
    & skf18("1","5","6","9","10","7","1") = "9"
    & skf18("1","5","6","9","10","8","1") = "9"
    & skf18("1","5","6","9","10","9","1") = "9"
    & skf18("1","5","6","9","10","10","1") = "9"
    & skf18("1","5","6","10","1","1","1") = "9"
    & skf18("1","5","6","10","1","2","1") = "9"
    & skf18("1","5","6","10","1","3","1") = "9"
    & skf18("1","5","6","10","1","4","1") = "9"
    & skf18("1","5","6","10","1","5","1") = "9"
    & skf18("1","5","6","10","1","6","1") = "9"
    & skf18("1","5","6","10","1","7","1") = "9"
    & skf18("1","5","6","10","1","8","1") = "9"
    & skf18("1","5","6","10","1","9","1") = "9"
    & skf18("1","5","6","10","1","10","1") = "9"
    & skf18("1","5","6","10","2","1","1") = "9"
    & skf18("1","5","6","10","2","2","1") = "9"
    & skf18("1","5","6","10","2","3","1") = "9"
    & skf18("1","5","6","10","2","4","1") = "9"
    & skf18("1","5","6","10","2","5","1") = "9"
    & skf18("1","5","6","10","2","6","1") = "9"
    & skf18("1","5","6","10","2","7","1") = "9"
    & skf18("1","5","6","10","2","8","1") = "9"
    & skf18("1","5","6","10","2","9","1") = "9"
    & skf18("1","5","6","10","2","10","1") = "9"
    & skf18("1","5","6","10","3","1","1") = "9"
    & skf18("1","5","6","10","3","2","1") = "9"
    & skf18("1","5","6","10","3","3","1") = "9"
    & skf18("1","5","6","10","3","4","1") = "9"
    & skf18("1","5","6","10","3","5","1") = "9"
    & skf18("1","5","6","10","3","6","1") = "9"
    & skf18("1","5","6","10","3","7","1") = "9"
    & skf18("1","5","6","10","3","8","1") = "9"
    & skf18("1","5","6","10","3","9","1") = "9"
    & skf18("1","5","6","10","3","10","1") = "9"
    & skf18("1","5","6","10","4","1","1") = "9"
    & skf18("1","5","6","10","4","2","1") = "9"
    & skf18("1","5","6","10","4","3","1") = "9"
    & skf18("1","5","6","10","4","4","1") = "9"
    & skf18("1","5","6","10","4","5","1") = "9"
    & skf18("1","5","6","10","4","6","1") = "9"
    & skf18("1","5","6","10","4","7","1") = "9"
    & skf18("1","5","6","10","4","8","1") = "9"
    & skf18("1","5","6","10","4","9","1") = "9"
    & skf18("1","5","6","10","4","10","1") = "9"
    & skf18("1","5","6","10","5","1","1") = "9"
    & skf18("1","5","6","10","5","2","1") = "9"
    & skf18("1","5","6","10","5","3","1") = "9"
    & skf18("1","5","6","10","5","4","1") = "9"
    & skf18("1","5","6","10","5","5","1") = "9"
    & skf18("1","5","6","10","5","6","1") = "9"
    & skf18("1","5","6","10","5","7","1") = "9"
    & skf18("1","5","6","10","5","8","1") = "9"
    & skf18("1","5","6","10","5","9","1") = "9"
    & skf18("1","5","6","10","5","10","1") = "9"
    & skf18("1","5","6","10","6","1","1") = "9"
    & skf18("1","5","6","10","6","2","1") = "9"
    & skf18("1","5","6","10","6","3","1") = "9"
    & skf18("1","5","6","10","6","4","1") = "9"
    & skf18("1","5","6","10","6","5","1") = "9"
    & skf18("1","5","6","10","6","6","1") = "9"
    & skf18("1","5","6","10","6","7","1") = "9"
    & skf18("1","5","6","10","6","8","1") = "9"
    & skf18("1","5","6","10","6","9","1") = "9"
    & skf18("1","5","6","10","6","10","1") = "9"
    & skf18("1","5","6","10","7","1","1") = "9"
    & skf18("1","5","6","10","7","2","1") = "9"
    & skf18("1","5","6","10","7","3","1") = "9"
    & skf18("1","5","6","10","7","4","1") = "9"
    & skf18("1","5","6","10","7","5","1") = "9"
    & skf18("1","5","6","10","7","6","1") = "9"
    & skf18("1","5","6","10","7","7","1") = "9"
    & skf18("1","5","6","10","7","8","1") = "9"
    & skf18("1","5","6","10","7","9","1") = "9"
    & skf18("1","5","6","10","7","10","1") = "9"
    & skf18("1","5","6","10","8","1","1") = "9"
    & skf18("1","5","6","10","8","2","1") = "9"
    & skf18("1","5","6","10","8","3","1") = "9"
    & skf18("1","5","6","10","8","4","1") = "9"
    & skf18("1","5","6","10","8","5","1") = "9"
    & skf18("1","5","6","10","8","6","1") = "9"
    & skf18("1","5","6","10","8","7","1") = "9"
    & skf18("1","5","6","10","8","8","1") = "9"
    & skf18("1","5","6","10","8","9","1") = "9"
    & skf18("1","5","6","10","8","10","1") = "9"
    & skf18("1","5","6","10","9","1","1") = "9"
    & skf18("1","5","6","10","9","2","1") = "9"
    & skf18("1","5","6","10","9","3","1") = "9"
    & skf18("1","5","6","10","9","4","1") = "9"
    & skf18("1","5","6","10","9","5","1") = "9"
    & skf18("1","5","6","10","9","6","1") = "9"
    & skf18("1","5","6","10","9","7","1") = "9"
    & skf18("1","5","6","10","9","8","1") = "9"
    & skf18("1","5","6","10","9","9","1") = "9"
    & skf18("1","5","6","10","9","10","1") = "9"
    & skf18("1","5","6","10","10","1","1") = "9"
    & skf18("1","5","6","10","10","2","1") = "9"
    & skf18("1","5","6","10","10","3","1") = "9"
    & skf18("1","5","6","10","10","4","1") = "9"
    & skf18("1","5","6","10","10","5","1") = "9"
    & skf18("1","5","6","10","10","6","1") = "9"
    & skf18("1","5","6","10","10","7","1") = "9"
    & skf18("1","5","6","10","10","8","1") = "9"
    & skf18("1","5","6","10","10","9","1") = "9"
    & skf18("1","5","6","10","10","10","1") = "9"
    & skf18("1","5","7","1","1","1","1") = "6"
    & skf18("1","5","7","1","1","2","1") = "6"
    & skf18("1","5","7","1","1","3","1") = "6"
    & skf18("1","5","7","1","1","4","1") = "6"
    & skf18("1","5","7","1","1","5","1") = "6"
    & skf18("1","5","7","1","1","6","1") = "6"
    & skf18("1","5","7","1","1","7","1") = "6"
    & skf18("1","5","7","1","1","8","1") = "7"
    & skf18("1","5","7","1","1","9","1") = "8"
    & skf18("1","5","7","1","1","10","1") = "9"
    & skf18("1","5","7","1","2","1","1") = "6"
    & skf18("1","5","7","1","2","2","1") = "6"
    & skf18("1","5","7","1","2","3","1") = "6"
    & skf18("1","5","7","1","2","4","1") = "6"
    & skf18("1","5","7","1","2","5","1") = "6"
    & skf18("1","5","7","1","2","6","1") = "6"
    & skf18("1","5","7","1","2","7","1") = "6"
    & skf18("1","5","7","1","2","8","1") = "7"
    & skf18("1","5","7","1","2","9","1") = "8"
    & skf18("1","5","7","1","2","10","1") = "9"
    & skf18("1","5","7","1","3","1","1") = "6"
    & skf18("1","5","7","1","3","2","1") = "6"
    & skf18("1","5","7","1","3","3","1") = "6"
    & skf18("1","5","7","1","3","4","1") = "6"
    & skf18("1","5","7","1","3","5","1") = "6"
    & skf18("1","5","7","1","3","6","1") = "6"
    & skf18("1","5","7","1","3","7","1") = "6"
    & skf18("1","5","7","1","3","8","1") = "7"
    & skf18("1","5","7","1","3","9","1") = "8"
    & skf18("1","5","7","1","3","10","1") = "9"
    & skf18("1","5","7","1","4","1","1") = "6"
    & skf18("1","5","7","1","4","2","1") = "6"
    & skf18("1","5","7","1","4","3","1") = "6"
    & skf18("1","5","7","1","4","4","1") = "6"
    & skf18("1","5","7","1","4","5","1") = "6"
    & skf18("1","5","7","1","4","6","1") = "6"
    & skf18("1","5","7","1","4","7","1") = "6"
    & skf18("1","5","7","1","4","8","1") = "7"
    & skf18("1","5","7","1","4","9","1") = "8"
    & skf18("1","5","7","1","4","10","1") = "9"
    & skf18("1","5","7","1","5","1","1") = "6"
    & skf18("1","5","7","1","5","2","1") = "6"
    & skf18("1","5","7","1","5","3","1") = "6"
    & skf18("1","5","7","1","5","4","1") = "6"
    & skf18("1","5","7","1","5","5","1") = "6"
    & skf18("1","5","7","1","5","6","1") = "6"
    & skf18("1","5","7","1","5","7","1") = "6"
    & skf18("1","5","7","1","5","8","1") = "7"
    & skf18("1","5","7","1","5","9","1") = "8"
    & skf18("1","5","7","1","5","10","1") = "9"
    & skf18("1","5","7","1","6","1","1") = "6"
    & skf18("1","5","7","1","6","2","1") = "6"
    & skf18("1","5","7","1","6","3","1") = "6"
    & skf18("1","5","7","1","6","4","1") = "6"
    & skf18("1","5","7","1","6","5","1") = "6"
    & skf18("1","5","7","1","6","6","1") = "6"
    & skf18("1","5","7","1","6","7","1") = "6"
    & skf18("1","5","7","1","6","8","1") = "7"
    & skf18("1","5","7","1","6","9","1") = "8"
    & skf18("1","5","7","1","6","10","1") = "9"
    & skf18("1","5","7","1","7","1","1") = "6"
    & skf18("1","5","7","1","7","2","1") = "6"
    & skf18("1","5","7","1","7","3","1") = "6"
    & skf18("1","5","7","1","7","4","1") = "6"
    & skf18("1","5","7","1","7","5","1") = "6"
    & skf18("1","5","7","1","7","6","1") = "6"
    & skf18("1","5","7","1","7","7","1") = "6"
    & skf18("1","5","7","1","7","8","1") = "7"
    & skf18("1","5","7","1","7","9","1") = "8"
    & skf18("1","5","7","1","7","10","1") = "9"
    & skf18("1","5","7","1","8","1","1") = "7"
    & skf18("1","5","7","1","8","2","1") = "7"
    & skf18("1","5","7","1","8","3","1") = "7"
    & skf18("1","5","7","1","8","4","1") = "7"
    & skf18("1","5","7","1","8","5","1") = "7"
    & skf18("1","5","7","1","8","6","1") = "7"
    & skf18("1","5","7","1","8","7","1") = "7"
    & skf18("1","5","7","1","8","8","1") = "7"
    & skf18("1","5","7","1","8","9","1") = "8"
    & skf18("1","5","7","1","8","10","1") = "9"
    & skf18("1","5","7","1","9","1","1") = "8"
    & skf18("1","5","7","1","9","2","1") = "8"
    & skf18("1","5","7","1","9","3","1") = "8"
    & skf18("1","5","7","1","9","4","1") = "8"
    & skf18("1","5","7","1","9","5","1") = "8"
    & skf18("1","5","7","1","9","6","1") = "8"
    & skf18("1","5","7","1","9","7","1") = "8"
    & skf18("1","5","7","1","9","8","1") = "8"
    & skf18("1","5","7","1","9","9","1") = "8"
    & skf18("1","5","7","1","9","10","1") = "9"
    & skf18("1","5","7","1","10","1","1") = "9"
    & skf18("1","5","7","1","10","2","1") = "9"
    & skf18("1","5","7","1","10","3","1") = "9"
    & skf18("1","5","7","1","10","4","1") = "9"
    & skf18("1","5","7","1","10","5","1") = "9"
    & skf18("1","5","7","1","10","6","1") = "9"
    & skf18("1","5","7","1","10","7","1") = "9"
    & skf18("1","5","7","1","10","8","1") = "9"
    & skf18("1","5","7","1","10","9","1") = "9"
    & skf18("1","5","7","1","10","10","1") = "9"
    & skf18("1","5","7","2","1","1","1") = "6"
    & skf18("1","5","7","2","1","2","1") = "6"
    & skf18("1","5","7","2","1","3","1") = "6"
    & skf18("1","5","7","2","1","4","1") = "6"
    & skf18("1","5","7","2","1","5","1") = "6"
    & skf18("1","5","7","2","1","6","1") = "6"
    & skf18("1","5","7","2","1","7","1") = "6"
    & skf18("1","5","7","2","1","8","1") = "7"
    & skf18("1","5","7","2","1","9","1") = "8"
    & skf18("1","5","7","2","1","10","1") = "9"
    & skf18("1","5","7","2","2","1","1") = "6"
    & skf18("1","5","7","2","2","2","1") = "6"
    & skf18("1","5","7","2","2","3","1") = "6"
    & skf18("1","5","7","2","2","4","1") = "6"
    & skf18("1","5","7","2","2","5","1") = "6"
    & skf18("1","5","7","2","2","6","1") = "6"
    & skf18("1","5","7","2","2","7","1") = "6"
    & skf18("1","5","7","2","2","8","1") = "7"
    & skf18("1","5","7","2","2","9","1") = "8"
    & skf18("1","5","7","2","2","10","1") = "9"
    & skf18("1","5","7","2","3","1","1") = "6"
    & skf18("1","5","7","2","3","2","1") = "6"
    & skf18("1","5","7","2","3","3","1") = "6"
    & skf18("1","5","7","2","3","4","1") = "6"
    & skf18("1","5","7","2","3","5","1") = "6"
    & skf18("1","5","7","2","3","6","1") = "6"
    & skf18("1","5","7","2","3","7","1") = "6"
    & skf18("1","5","7","2","3","8","1") = "7"
    & skf18("1","5","7","2","3","9","1") = "8"
    & skf18("1","5","7","2","3","10","1") = "9"
    & skf18("1","5","7","2","4","1","1") = "6"
    & skf18("1","5","7","2","4","2","1") = "6"
    & skf18("1","5","7","2","4","3","1") = "6"
    & skf18("1","5","7","2","4","4","1") = "6"
    & skf18("1","5","7","2","4","5","1") = "6"
    & skf18("1","5","7","2","4","6","1") = "6"
    & skf18("1","5","7","2","4","7","1") = "6"
    & skf18("1","5","7","2","4","8","1") = "7"
    & skf18("1","5","7","2","4","9","1") = "8"
    & skf18("1","5","7","2","4","10","1") = "9"
    & skf18("1","5","7","2","5","1","1") = "6"
    & skf18("1","5","7","2","5","2","1") = "6"
    & skf18("1","5","7","2","5","3","1") = "6"
    & skf18("1","5","7","2","5","4","1") = "6"
    & skf18("1","5","7","2","5","5","1") = "6"
    & skf18("1","5","7","2","5","6","1") = "6"
    & skf18("1","5","7","2","5","7","1") = "6"
    & skf18("1","5","7","2","5","8","1") = "7"
    & skf18("1","5","7","2","5","9","1") = "8"
    & skf18("1","5","7","2","5","10","1") = "9"
    & skf18("1","5","7","2","6","1","1") = "6"
    & skf18("1","5","7","2","6","2","1") = "6"
    & skf18("1","5","7","2","6","3","1") = "6"
    & skf18("1","5","7","2","6","4","1") = "6"
    & skf18("1","5","7","2","6","5","1") = "6"
    & skf18("1","5","7","2","6","6","1") = "6"
    & skf18("1","5","7","2","6","7","1") = "6"
    & skf18("1","5","7","2","6","8","1") = "7"
    & skf18("1","5","7","2","6","9","1") = "8"
    & skf18("1","5","7","2","6","10","1") = "9"
    & skf18("1","5","7","2","7","1","1") = "6"
    & skf18("1","5","7","2","7","2","1") = "6"
    & skf18("1","5","7","2","7","3","1") = "6"
    & skf18("1","5","7","2","7","4","1") = "6"
    & skf18("1","5","7","2","7","5","1") = "6"
    & skf18("1","5","7","2","7","6","1") = "6"
    & skf18("1","5","7","2","7","7","1") = "6"
    & skf18("1","5","7","2","7","8","1") = "7"
    & skf18("1","5","7","2","7","9","1") = "8"
    & skf18("1","5","7","2","7","10","1") = "9"
    & skf18("1","5","7","2","8","1","1") = "7"
    & skf18("1","5","7","2","8","2","1") = "7"
    & skf18("1","5","7","2","8","3","1") = "7"
    & skf18("1","5","7","2","8","4","1") = "7"
    & skf18("1","5","7","2","8","5","1") = "7"
    & skf18("1","5","7","2","8","6","1") = "7"
    & skf18("1","5","7","2","8","7","1") = "7"
    & skf18("1","5","7","2","8","8","1") = "7"
    & skf18("1","5","7","2","8","9","1") = "8"
    & skf18("1","5","7","2","8","10","1") = "9"
    & skf18("1","5","7","2","9","1","1") = "8"
    & skf18("1","5","7","2","9","2","1") = "8"
    & skf18("1","5","7","2","9","3","1") = "8"
    & skf18("1","5","7","2","9","4","1") = "8"
    & skf18("1","5","7","2","9","5","1") = "8"
    & skf18("1","5","7","2","9","6","1") = "8"
    & skf18("1","5","7","2","9","7","1") = "8"
    & skf18("1","5","7","2","9","8","1") = "8"
    & skf18("1","5","7","2","9","9","1") = "8"
    & skf18("1","5","7","2","9","10","1") = "9"
    & skf18("1","5","7","2","10","1","1") = "9"
    & skf18("1","5","7","2","10","2","1") = "9"
    & skf18("1","5","7","2","10","3","1") = "9"
    & skf18("1","5","7","2","10","4","1") = "9"
    & skf18("1","5","7","2","10","5","1") = "9"
    & skf18("1","5","7","2","10","6","1") = "9"
    & skf18("1","5","7","2","10","7","1") = "9"
    & skf18("1","5","7","2","10","8","1") = "9"
    & skf18("1","5","7","2","10","9","1") = "9"
    & skf18("1","5","7","2","10","10","1") = "9"
    & skf18("1","5","7","3","1","1","1") = "6"
    & skf18("1","5","7","3","1","2","1") = "6"
    & skf18("1","5","7","3","1","3","1") = "6"
    & skf18("1","5","7","3","1","4","1") = "6"
    & skf18("1","5","7","3","1","5","1") = "6"
    & skf18("1","5","7","3","1","6","1") = "6"
    & skf18("1","5","7","3","1","7","1") = "6"
    & skf18("1","5","7","3","1","8","1") = "7"
    & skf18("1","5","7","3","1","9","1") = "8"
    & skf18("1","5","7","3","1","10","1") = "9"
    & skf18("1","5","7","3","2","1","1") = "6"
    & skf18("1","5","7","3","2","2","1") = "6"
    & skf18("1","5","7","3","2","3","1") = "6"
    & skf18("1","5","7","3","2","4","1") = "6"
    & skf18("1","5","7","3","2","5","1") = "6"
    & skf18("1","5","7","3","2","6","1") = "6"
    & skf18("1","5","7","3","2","7","1") = "6"
    & skf18("1","5","7","3","2","8","1") = "7"
    & skf18("1","5","7","3","2","9","1") = "8"
    & skf18("1","5","7","3","2","10","1") = "9"
    & skf18("1","5","7","3","3","1","1") = "6"
    & skf18("1","5","7","3","3","2","1") = "6"
    & skf18("1","5","7","3","3","3","1") = "6"
    & skf18("1","5","7","3","3","4","1") = "6"
    & skf18("1","5","7","3","3","5","1") = "6"
    & skf18("1","5","7","3","3","6","1") = "6"
    & skf18("1","5","7","3","3","7","1") = "6"
    & skf18("1","5","7","3","3","8","1") = "7"
    & skf18("1","5","7","3","3","9","1") = "8"
    & skf18("1","5","7","3","3","10","1") = "9"
    & skf18("1","5","7","3","4","1","1") = "6"
    & skf18("1","5","7","3","4","2","1") = "6"
    & skf18("1","5","7","3","4","3","1") = "6"
    & skf18("1","5","7","3","4","4","1") = "6"
    & skf18("1","5","7","3","4","5","1") = "6"
    & skf18("1","5","7","3","4","6","1") = "6"
    & skf18("1","5","7","3","4","7","1") = "6"
    & skf18("1","5","7","3","4","8","1") = "7"
    & skf18("1","5","7","3","4","9","1") = "8"
    & skf18("1","5","7","3","4","10","1") = "9"
    & skf18("1","5","7","3","5","1","1") = "6"
    & skf18("1","5","7","3","5","2","1") = "6"
    & skf18("1","5","7","3","5","3","1") = "6"
    & skf18("1","5","7","3","5","4","1") = "6"
    & skf18("1","5","7","3","5","5","1") = "6"
    & skf18("1","5","7","3","5","6","1") = "6"
    & skf18("1","5","7","3","5","7","1") = "6"
    & skf18("1","5","7","3","5","8","1") = "7"
    & skf18("1","5","7","3","5","9","1") = "8"
    & skf18("1","5","7","3","5","10","1") = "9"
    & skf18("1","5","7","3","6","1","1") = "6"
    & skf18("1","5","7","3","6","2","1") = "6"
    & skf18("1","5","7","3","6","3","1") = "6"
    & skf18("1","5","7","3","6","4","1") = "6"
    & skf18("1","5","7","3","6","5","1") = "6"
    & skf18("1","5","7","3","6","6","1") = "6"
    & skf18("1","5","7","3","6","7","1") = "6"
    & skf18("1","5","7","3","6","8","1") = "7"
    & skf18("1","5","7","3","6","9","1") = "8"
    & skf18("1","5","7","3","6","10","1") = "9"
    & skf18("1","5","7","3","7","1","1") = "6"
    & skf18("1","5","7","3","7","2","1") = "6"
    & skf18("1","5","7","3","7","3","1") = "6"
    & skf18("1","5","7","3","7","4","1") = "6"
    & skf18("1","5","7","3","7","5","1") = "6"
    & skf18("1","5","7","3","7","6","1") = "6"
    & skf18("1","5","7","3","7","7","1") = "6"
    & skf18("1","5","7","3","7","8","1") = "7"
    & skf18("1","5","7","3","7","9","1") = "8"
    & skf18("1","5","7","3","7","10","1") = "9"
    & skf18("1","5","7","3","8","1","1") = "7"
    & skf18("1","5","7","3","8","2","1") = "7"
    & skf18("1","5","7","3","8","3","1") = "7"
    & skf18("1","5","7","3","8","4","1") = "7"
    & skf18("1","5","7","3","8","5","1") = "7"
    & skf18("1","5","7","3","8","6","1") = "7"
    & skf18("1","5","7","3","8","7","1") = "7"
    & skf18("1","5","7","3","8","8","1") = "7"
    & skf18("1","5","7","3","8","9","1") = "8"
    & skf18("1","5","7","3","8","10","1") = "9"
    & skf18("1","5","7","3","9","1","1") = "8"
    & skf18("1","5","7","3","9","2","1") = "8"
    & skf18("1","5","7","3","9","3","1") = "8"
    & skf18("1","5","7","3","9","4","1") = "8"
    & skf18("1","5","7","3","9","5","1") = "8"
    & skf18("1","5","7","3","9","6","1") = "8"
    & skf18("1","5","7","3","9","7","1") = "8"
    & skf18("1","5","7","3","9","8","1") = "8"
    & skf18("1","5","7","3","9","9","1") = "8"
    & skf18("1","5","7","3","9","10","1") = "9"
    & skf18("1","5","7","3","10","1","1") = "9"
    & skf18("1","5","7","3","10","2","1") = "9"
    & skf18("1","5","7","3","10","3","1") = "9"
    & skf18("1","5","7","3","10","4","1") = "9"
    & skf18("1","5","7","3","10","5","1") = "9"
    & skf18("1","5","7","3","10","6","1") = "9"
    & skf18("1","5","7","3","10","7","1") = "9"
    & skf18("1","5","7","3","10","8","1") = "9"
    & skf18("1","5","7","3","10","9","1") = "9"
    & skf18("1","5","7","3","10","10","1") = "9"
    & skf18("1","5","7","4","1","1","1") = "6"
    & skf18("1","5","7","4","1","2","1") = "6"
    & skf18("1","5","7","4","1","3","1") = "6"
    & skf18("1","5","7","4","1","4","1") = "6"
    & skf18("1","5","7","4","1","5","1") = "6"
    & skf18("1","5","7","4","1","6","1") = "6"
    & skf18("1","5","7","4","1","7","1") = "6"
    & skf18("1","5","7","4","1","8","1") = "7"
    & skf18("1","5","7","4","1","9","1") = "8"
    & skf18("1","5","7","4","1","10","1") = "9"
    & skf18("1","5","7","4","2","1","1") = "6"
    & skf18("1","5","7","4","2","2","1") = "6"
    & skf18("1","5","7","4","2","3","1") = "6"
    & skf18("1","5","7","4","2","4","1") = "6"
    & skf18("1","5","7","4","2","5","1") = "6"
    & skf18("1","5","7","4","2","6","1") = "6"
    & skf18("1","5","7","4","2","7","1") = "6"
    & skf18("1","5","7","4","2","8","1") = "7"
    & skf18("1","5","7","4","2","9","1") = "8"
    & skf18("1","5","7","4","2","10","1") = "9"
    & skf18("1","5","7","4","3","1","1") = "6"
    & skf18("1","5","7","4","3","2","1") = "6"
    & skf18("1","5","7","4","3","3","1") = "6"
    & skf18("1","5","7","4","3","4","1") = "6"
    & skf18("1","5","7","4","3","5","1") = "6"
    & skf18("1","5","7","4","3","6","1") = "6"
    & skf18("1","5","7","4","3","7","1") = "6"
    & skf18("1","5","7","4","3","8","1") = "7"
    & skf18("1","5","7","4","3","9","1") = "8"
    & skf18("1","5","7","4","3","10","1") = "9"
    & skf18("1","5","7","4","4","1","1") = "6"
    & skf18("1","5","7","4","4","2","1") = "6"
    & skf18("1","5","7","4","4","3","1") = "6"
    & skf18("1","5","7","4","4","4","1") = "6"
    & skf18("1","5","7","4","4","5","1") = "6"
    & skf18("1","5","7","4","4","6","1") = "6"
    & skf18("1","5","7","4","4","7","1") = "6"
    & skf18("1","5","7","4","4","8","1") = "7"
    & skf18("1","5","7","4","4","9","1") = "8"
    & skf18("1","5","7","4","4","10","1") = "9"
    & skf18("1","5","7","4","5","1","1") = "6"
    & skf18("1","5","7","4","5","2","1") = "6"
    & skf18("1","5","7","4","5","3","1") = "6"
    & skf18("1","5","7","4","5","4","1") = "6"
    & skf18("1","5","7","4","5","5","1") = "6"
    & skf18("1","5","7","4","5","6","1") = "6"
    & skf18("1","5","7","4","5","7","1") = "6"
    & skf18("1","5","7","4","5","8","1") = "7"
    & skf18("1","5","7","4","5","9","1") = "8"
    & skf18("1","5","7","4","5","10","1") = "9"
    & skf18("1","5","7","4","6","1","1") = "6"
    & skf18("1","5","7","4","6","2","1") = "6"
    & skf18("1","5","7","4","6","3","1") = "6"
    & skf18("1","5","7","4","6","4","1") = "6"
    & skf18("1","5","7","4","6","5","1") = "6"
    & skf18("1","5","7","4","6","6","1") = "6"
    & skf18("1","5","7","4","6","7","1") = "6"
    & skf18("1","5","7","4","6","8","1") = "7"
    & skf18("1","5","7","4","6","9","1") = "8"
    & skf18("1","5","7","4","6","10","1") = "9"
    & skf18("1","5","7","4","7","1","1") = "6"
    & skf18("1","5","7","4","7","2","1") = "6"
    & skf18("1","5","7","4","7","3","1") = "6"
    & skf18("1","5","7","4","7","4","1") = "6"
    & skf18("1","5","7","4","7","5","1") = "6"
    & skf18("1","5","7","4","7","6","1") = "6"
    & skf18("1","5","7","4","7","7","1") = "6"
    & skf18("1","5","7","4","7","8","1") = "7"
    & skf18("1","5","7","4","7","9","1") = "8"
    & skf18("1","5","7","4","7","10","1") = "9"
    & skf18("1","5","7","4","8","1","1") = "7"
    & skf18("1","5","7","4","8","2","1") = "7"
    & skf18("1","5","7","4","8","3","1") = "7"
    & skf18("1","5","7","4","8","4","1") = "7"
    & skf18("1","5","7","4","8","5","1") = "7"
    & skf18("1","5","7","4","8","6","1") = "7"
    & skf18("1","5","7","4","8","7","1") = "7"
    & skf18("1","5","7","4","8","8","1") = "7"
    & skf18("1","5","7","4","8","9","1") = "8"
    & skf18("1","5","7","4","8","10","1") = "9"
    & skf18("1","5","7","4","9","1","1") = "8"
    & skf18("1","5","7","4","9","2","1") = "8"
    & skf18("1","5","7","4","9","3","1") = "8"
    & skf18("1","5","7","4","9","4","1") = "8"
    & skf18("1","5","7","4","9","5","1") = "8"
    & skf18("1","5","7","4","9","6","1") = "8"
    & skf18("1","5","7","4","9","7","1") = "8"
    & skf18("1","5","7","4","9","8","1") = "8"
    & skf18("1","5","7","4","9","9","1") = "8"
    & skf18("1","5","7","4","9","10","1") = "9"
    & skf18("1","5","7","4","10","1","1") = "9"
    & skf18("1","5","7","4","10","2","1") = "9"
    & skf18("1","5","7","4","10","3","1") = "9"
    & skf18("1","5","7","4","10","4","1") = "9"
    & skf18("1","5","7","4","10","5","1") = "9"
    & skf18("1","5","7","4","10","6","1") = "9"
    & skf18("1","5","7","4","10","7","1") = "9"
    & skf18("1","5","7","4","10","8","1") = "9"
    & skf18("1","5","7","4","10","9","1") = "9"
    & skf18("1","5","7","4","10","10","1") = "9"
    & skf18("1","5","7","5","1","1","1") = "6"
    & skf18("1","5","7","5","1","2","1") = "6"
    & skf18("1","5","7","5","1","3","1") = "6"
    & skf18("1","5","7","5","1","4","1") = "6"
    & skf18("1","5","7","5","1","5","1") = "6"
    & skf18("1","5","7","5","1","6","1") = "6"
    & skf18("1","5","7","5","1","7","1") = "6"
    & skf18("1","5","7","5","1","8","1") = "7"
    & skf18("1","5","7","5","1","9","1") = "8"
    & skf18("1","5","7","5","1","10","1") = "9"
    & skf18("1","5","7","5","2","1","1") = "6"
    & skf18("1","5","7","5","2","2","1") = "6"
    & skf18("1","5","7","5","2","3","1") = "6"
    & skf18("1","5","7","5","2","4","1") = "6"
    & skf18("1","5","7","5","2","5","1") = "6"
    & skf18("1","5","7","5","2","6","1") = "6"
    & skf18("1","5","7","5","2","7","1") = "6"
    & skf18("1","5","7","5","2","8","1") = "7"
    & skf18("1","5","7","5","2","9","1") = "8"
    & skf18("1","5","7","5","2","10","1") = "9"
    & skf18("1","5","7","5","3","1","1") = "6"
    & skf18("1","5","7","5","3","2","1") = "6"
    & skf18("1","5","7","5","3","3","1") = "6"
    & skf18("1","5","7","5","3","4","1") = "6"
    & skf18("1","5","7","5","3","5","1") = "6"
    & skf18("1","5","7","5","3","6","1") = "6"
    & skf18("1","5","7","5","3","7","1") = "6"
    & skf18("1","5","7","5","3","8","1") = "7"
    & skf18("1","5","7","5","3","9","1") = "8"
    & skf18("1","5","7","5","3","10","1") = "9"
    & skf18("1","5","7","5","4","1","1") = "6"
    & skf18("1","5","7","5","4","2","1") = "6"
    & skf18("1","5","7","5","4","3","1") = "6"
    & skf18("1","5","7","5","4","4","1") = "6"
    & skf18("1","5","7","5","4","5","1") = "6"
    & skf18("1","5","7","5","4","6","1") = "6"
    & skf18("1","5","7","5","4","7","1") = "6"
    & skf18("1","5","7","5","4","8","1") = "7"
    & skf18("1","5","7","5","4","9","1") = "8"
    & skf18("1","5","7","5","4","10","1") = "9"
    & skf18("1","5","7","5","5","1","1") = "6"
    & skf18("1","5","7","5","5","2","1") = "6"
    & skf18("1","5","7","5","5","3","1") = "6"
    & skf18("1","5","7","5","5","4","1") = "6"
    & skf18("1","5","7","5","5","5","1") = "6"
    & skf18("1","5","7","5","5","6","1") = "6"
    & skf18("1","5","7","5","5","7","1") = "6"
    & skf18("1","5","7","5","5","8","1") = "7"
    & skf18("1","5","7","5","5","9","1") = "8"
    & skf18("1","5","7","5","5","10","1") = "9"
    & skf18("1","5","7","5","6","1","1") = "6"
    & skf18("1","5","7","5","6","2","1") = "6"
    & skf18("1","5","7","5","6","3","1") = "6"
    & skf18("1","5","7","5","6","4","1") = "6"
    & skf18("1","5","7","5","6","5","1") = "6"
    & skf18("1","5","7","5","6","6","1") = "6"
    & skf18("1","5","7","5","6","7","1") = "6"
    & skf18("1","5","7","5","6","8","1") = "7"
    & skf18("1","5","7","5","6","9","1") = "8"
    & skf18("1","5","7","5","6","10","1") = "9"
    & skf18("1","5","7","5","7","1","1") = "6"
    & skf18("1","5","7","5","7","2","1") = "6"
    & skf18("1","5","7","5","7","3","1") = "6"
    & skf18("1","5","7","5","7","4","1") = "6"
    & skf18("1","5","7","5","7","5","1") = "6"
    & skf18("1","5","7","5","7","6","1") = "6"
    & skf18("1","5","7","5","7","7","1") = "6"
    & skf18("1","5","7","5","7","8","1") = "7"
    & skf18("1","5","7","5","7","9","1") = "8"
    & skf18("1","5","7","5","7","10","1") = "9"
    & skf18("1","5","7","5","8","1","1") = "7"
    & skf18("1","5","7","5","8","2","1") = "7"
    & skf18("1","5","7","5","8","3","1") = "7"
    & skf18("1","5","7","5","8","4","1") = "7"
    & skf18("1","5","7","5","8","5","1") = "7"
    & skf18("1","5","7","5","8","6","1") = "7"
    & skf18("1","5","7","5","8","7","1") = "7"
    & skf18("1","5","7","5","8","8","1") = "7"
    & skf18("1","5","7","5","8","9","1") = "8"
    & skf18("1","5","7","5","8","10","1") = "9"
    & skf18("1","5","7","5","9","1","1") = "8"
    & skf18("1","5","7","5","9","2","1") = "8"
    & skf18("1","5","7","5","9","3","1") = "8"
    & skf18("1","5","7","5","9","4","1") = "8"
    & skf18("1","5","7","5","9","5","1") = "8"
    & skf18("1","5","7","5","9","6","1") = "8"
    & skf18("1","5","7","5","9","7","1") = "8"
    & skf18("1","5","7","5","9","8","1") = "8"
    & skf18("1","5","7","5","9","9","1") = "8"
    & skf18("1","5","7","5","9","10","1") = "9"
    & skf18("1","5","7","5","10","1","1") = "9"
    & skf18("1","5","7","5","10","2","1") = "9"
    & skf18("1","5","7","5","10","3","1") = "9"
    & skf18("1","5","7","5","10","4","1") = "9"
    & skf18("1","5","7","5","10","5","1") = "9"
    & skf18("1","5","7","5","10","6","1") = "9"
    & skf18("1","5","7","5","10","7","1") = "9"
    & skf18("1","5","7","5","10","8","1") = "9"
    & skf18("1","5","7","5","10","9","1") = "9"
    & skf18("1","5","7","5","10","10","1") = "9"
    & skf18("1","5","7","6","1","1","1") = "6"
    & skf18("1","5","7","6","1","2","1") = "6"
    & skf18("1","5","7","6","1","3","1") = "6"
    & skf18("1","5","7","6","1","4","1") = "6"
    & skf18("1","5","7","6","1","5","1") = "6"
    & skf18("1","5","7","6","1","6","1") = "6"
    & skf18("1","5","7","6","1","7","1") = "6"
    & skf18("1","5","7","6","1","8","1") = "7"
    & skf18("1","5","7","6","1","9","1") = "8"
    & skf18("1","5","7","6","1","10","1") = "9"
    & skf18("1","5","7","6","2","1","1") = "6"
    & skf18("1","5","7","6","2","2","1") = "6"
    & skf18("1","5","7","6","2","3","1") = "6"
    & skf18("1","5","7","6","2","4","1") = "6"
    & skf18("1","5","7","6","2","5","1") = "6"
    & skf18("1","5","7","6","2","6","1") = "6"
    & skf18("1","5","7","6","2","7","1") = "6"
    & skf18("1","5","7","6","2","8","1") = "7"
    & skf18("1","5","7","6","2","9","1") = "8"
    & skf18("1","5","7","6","2","10","1") = "9"
    & skf18("1","5","7","6","3","1","1") = "6"
    & skf18("1","5","7","6","3","2","1") = "6"
    & skf18("1","5","7","6","3","3","1") = "6"
    & skf18("1","5","7","6","3","4","1") = "6"
    & skf18("1","5","7","6","3","5","1") = "6"
    & skf18("1","5","7","6","3","6","1") = "6"
    & skf18("1","5","7","6","3","7","1") = "6"
    & skf18("1","5","7","6","3","8","1") = "7"
    & skf18("1","5","7","6","3","9","1") = "8"
    & skf18("1","5","7","6","3","10","1") = "9"
    & skf18("1","5","7","6","4","1","1") = "6"
    & skf18("1","5","7","6","4","2","1") = "6"
    & skf18("1","5","7","6","4","3","1") = "6"
    & skf18("1","5","7","6","4","4","1") = "6"
    & skf18("1","5","7","6","4","5","1") = "6"
    & skf18("1","5","7","6","4","6","1") = "6"
    & skf18("1","5","7","6","4","7","1") = "6"
    & skf18("1","5","7","6","4","8","1") = "7"
    & skf18("1","5","7","6","4","9","1") = "8"
    & skf18("1","5","7","6","4","10","1") = "9"
    & skf18("1","5","7","6","5","1","1") = "6"
    & skf18("1","5","7","6","5","2","1") = "6"
    & skf18("1","5","7","6","5","3","1") = "6"
    & skf18("1","5","7","6","5","4","1") = "6"
    & skf18("1","5","7","6","5","5","1") = "6"
    & skf18("1","5","7","6","5","6","1") = "6"
    & skf18("1","5","7","6","5","7","1") = "6"
    & skf18("1","5","7","6","5","8","1") = "7"
    & skf18("1","5","7","6","5","9","1") = "8"
    & skf18("1","5","7","6","5","10","1") = "9"
    & skf18("1","5","7","6","6","1","1") = "6"
    & skf18("1","5","7","6","6","2","1") = "6"
    & skf18("1","5","7","6","6","3","1") = "6"
    & skf18("1","5","7","6","6","4","1") = "6"
    & skf18("1","5","7","6","6","5","1") = "6"
    & skf18("1","5","7","6","6","6","1") = "6"
    & skf18("1","5","7","6","6","7","1") = "6"
    & skf18("1","5","7","6","6","8","1") = "7"
    & skf18("1","5","7","6","6","9","1") = "8"
    & skf18("1","5","7","6","6","10","1") = "9"
    & skf18("1","5","7","6","7","1","1") = "6"
    & skf18("1","5","7","6","7","2","1") = "6"
    & skf18("1","5","7","6","7","3","1") = "6"
    & skf18("1","5","7","6","7","4","1") = "6"
    & skf18("1","5","7","6","7","5","1") = "6"
    & skf18("1","5","7","6","7","6","1") = "6"
    & skf18("1","5","7","6","7","7","1") = "6"
    & skf18("1","5","7","6","7","8","1") = "7"
    & skf18("1","5","7","6","7","9","1") = "8"
    & skf18("1","5","7","6","7","10","1") = "9"
    & skf18("1","5","7","6","8","1","1") = "7"
    & skf18("1","5","7","6","8","2","1") = "7"
    & skf18("1","5","7","6","8","3","1") = "7"
    & skf18("1","5","7","6","8","4","1") = "7"
    & skf18("1","5","7","6","8","5","1") = "7"
    & skf18("1","5","7","6","8","6","1") = "7"
    & skf18("1","5","7","6","8","7","1") = "7"
    & skf18("1","5","7","6","8","8","1") = "7"
    & skf18("1","5","7","6","8","9","1") = "8"
    & skf18("1","5","7","6","8","10","1") = "9"
    & skf18("1","5","7","6","9","1","1") = "8"
    & skf18("1","5","7","6","9","2","1") = "8"
    & skf18("1","5","7","6","9","3","1") = "8"
    & skf18("1","5","7","6","9","4","1") = "8"
    & skf18("1","5","7","6","9","5","1") = "8"
    & skf18("1","5","7","6","9","6","1") = "8"
    & skf18("1","5","7","6","9","7","1") = "8"
    & skf18("1","5","7","6","9","8","1") = "8"
    & skf18("1","5","7","6","9","9","1") = "8"
    & skf18("1","5","7","6","9","10","1") = "9"
    & skf18("1","5","7","6","10","1","1") = "9"
    & skf18("1","5","7","6","10","2","1") = "9"
    & skf18("1","5","7","6","10","3","1") = "9"
    & skf18("1","5","7","6","10","4","1") = "9"
    & skf18("1","5","7","6","10","5","1") = "9"
    & skf18("1","5","7","6","10","6","1") = "9"
    & skf18("1","5","7","6","10","7","1") = "9"
    & skf18("1","5","7","6","10","8","1") = "9"
    & skf18("1","5","7","6","10","9","1") = "9"
    & skf18("1","5","7","6","10","10","1") = "9"
    & skf18("1","5","7","7","1","1","1") = "6"
    & skf18("1","5","7","7","1","2","1") = "6"
    & skf18("1","5","7","7","1","3","1") = "6"
    & skf18("1","5","7","7","1","4","1") = "6"
    & skf18("1","5","7","7","1","5","1") = "6"
    & skf18("1","5","7","7","1","6","1") = "6"
    & skf18("1","5","7","7","1","7","1") = "6"
    & skf18("1","5","7","7","1","8","1") = "7"
    & skf18("1","5","7","7","1","9","1") = "8"
    & skf18("1","5","7","7","1","10","1") = "9"
    & skf18("1","5","7","7","2","1","1") = "6"
    & skf18("1","5","7","7","2","2","1") = "6"
    & skf18("1","5","7","7","2","3","1") = "6"
    & skf18("1","5","7","7","2","4","1") = "6"
    & skf18("1","5","7","7","2","5","1") = "6"
    & skf18("1","5","7","7","2","6","1") = "6"
    & skf18("1","5","7","7","2","7","1") = "6"
    & skf18("1","5","7","7","2","8","1") = "7"
    & skf18("1","5","7","7","2","9","1") = "8"
    & skf18("1","5","7","7","2","10","1") = "9"
    & skf18("1","5","7","7","3","1","1") = "6"
    & skf18("1","5","7","7","3","2","1") = "6"
    & skf18("1","5","7","7","3","3","1") = "6"
    & skf18("1","5","7","7","3","4","1") = "6"
    & skf18("1","5","7","7","3","5","1") = "6"
    & skf18("1","5","7","7","3","6","1") = "6"
    & skf18("1","5","7","7","3","7","1") = "6"
    & skf18("1","5","7","7","3","8","1") = "7"
    & skf18("1","5","7","7","3","9","1") = "8"
    & skf18("1","5","7","7","3","10","1") = "9"
    & skf18("1","5","7","7","4","1","1") = "6"
    & skf18("1","5","7","7","4","2","1") = "6"
    & skf18("1","5","7","7","4","3","1") = "6"
    & skf18("1","5","7","7","4","4","1") = "6"
    & skf18("1","5","7","7","4","5","1") = "6"
    & skf18("1","5","7","7","4","6","1") = "6"
    & skf18("1","5","7","7","4","7","1") = "6"
    & skf18("1","5","7","7","4","8","1") = "7"
    & skf18("1","5","7","7","4","9","1") = "8"
    & skf18("1","5","7","7","4","10","1") = "9"
    & skf18("1","5","7","7","5","1","1") = "6"
    & skf18("1","5","7","7","5","2","1") = "6"
    & skf18("1","5","7","7","5","3","1") = "6"
    & skf18("1","5","7","7","5","4","1") = "6"
    & skf18("1","5","7","7","5","5","1") = "6"
    & skf18("1","5","7","7","5","6","1") = "6"
    & skf18("1","5","7","7","5","7","1") = "6"
    & skf18("1","5","7","7","5","8","1") = "7"
    & skf18("1","5","7","7","5","9","1") = "8"
    & skf18("1","5","7","7","5","10","1") = "9"
    & skf18("1","5","7","7","6","1","1") = "6"
    & skf18("1","5","7","7","6","2","1") = "6"
    & skf18("1","5","7","7","6","3","1") = "6"
    & skf18("1","5","7","7","6","4","1") = "6"
    & skf18("1","5","7","7","6","5","1") = "6"
    & skf18("1","5","7","7","6","6","1") = "6"
    & skf18("1","5","7","7","6","7","1") = "6"
    & skf18("1","5","7","7","6","8","1") = "7"
    & skf18("1","5","7","7","6","9","1") = "8"
    & skf18("1","5","7","7","6","10","1") = "9"
    & skf18("1","5","7","7","7","1","1") = "6"
    & skf18("1","5","7","7","7","2","1") = "6"
    & skf18("1","5","7","7","7","3","1") = "6"
    & skf18("1","5","7","7","7","4","1") = "6"
    & skf18("1","5","7","7","7","5","1") = "6"
    & skf18("1","5","7","7","7","6","1") = "6"
    & skf18("1","5","7","7","7","7","1") = "6"
    & skf18("1","5","7","7","7","8","1") = "7"
    & skf18("1","5","7","7","7","9","1") = "8"
    & skf18("1","5","7","7","7","10","1") = "9"
    & skf18("1","5","7","7","8","1","1") = "7"
    & skf18("1","5","7","7","8","2","1") = "7"
    & skf18("1","5","7","7","8","3","1") = "7"
    & skf18("1","5","7","7","8","4","1") = "7"
    & skf18("1","5","7","7","8","5","1") = "7"
    & skf18("1","5","7","7","8","6","1") = "7"
    & skf18("1","5","7","7","8","7","1") = "7"
    & skf18("1","5","7","7","8","8","1") = "7"
    & skf18("1","5","7","7","8","9","1") = "8"
    & skf18("1","5","7","7","8","10","1") = "9"
    & skf18("1","5","7","7","9","1","1") = "8"
    & skf18("1","5","7","7","9","2","1") = "8"
    & skf18("1","5","7","7","9","3","1") = "8"
    & skf18("1","5","7","7","9","4","1") = "8"
    & skf18("1","5","7","7","9","5","1") = "8"
    & skf18("1","5","7","7","9","6","1") = "8"
    & skf18("1","5","7","7","9","7","1") = "8"
    & skf18("1","5","7","7","9","8","1") = "8"
    & skf18("1","5","7","7","9","9","1") = "8"
    & skf18("1","5","7","7","9","10","1") = "9"
    & skf18("1","5","7","7","10","1","1") = "9"
    & skf18("1","5","7","7","10","2","1") = "9"
    & skf18("1","5","7","7","10","3","1") = "9"
    & skf18("1","5","7","7","10","4","1") = "9"
    & skf18("1","5","7","7","10","5","1") = "9"
    & skf18("1","5","7","7","10","6","1") = "9"
    & skf18("1","5","7","7","10","7","1") = "9"
    & skf18("1","5","7","7","10","8","1") = "9"
    & skf18("1","5","7","7","10","9","1") = "9"
    & skf18("1","5","7","7","10","10","1") = "9"
    & skf18("1","5","7","8","1","1","1") = "7"
    & skf18("1","5","7","8","1","2","1") = "7"
    & skf18("1","5","7","8","1","3","1") = "7"
    & skf18("1","5","7","8","1","4","1") = "7"
    & skf18("1","5","7","8","1","5","1") = "7"
    & skf18("1","5","7","8","1","6","1") = "7"
    & skf18("1","5","7","8","1","7","1") = "7"
    & skf18("1","5","7","8","1","8","1") = "7"
    & skf18("1","5","7","8","1","9","1") = "8"
    & skf18("1","5","7","8","1","10","1") = "9"
    & skf18("1","5","7","8","2","1","1") = "7"
    & skf18("1","5","7","8","2","2","1") = "7"
    & skf18("1","5","7","8","2","3","1") = "7"
    & skf18("1","5","7","8","2","4","1") = "7"
    & skf18("1","5","7","8","2","5","1") = "7"
    & skf18("1","5","7","8","2","6","1") = "7"
    & skf18("1","5","7","8","2","7","1") = "7"
    & skf18("1","5","7","8","2","8","1") = "7"
    & skf18("1","5","7","8","2","9","1") = "8"
    & skf18("1","5","7","8","2","10","1") = "9"
    & skf18("1","5","7","8","3","1","1") = "7"
    & skf18("1","5","7","8","3","2","1") = "7"
    & skf18("1","5","7","8","3","3","1") = "7"
    & skf18("1","5","7","8","3","4","1") = "7"
    & skf18("1","5","7","8","3","5","1") = "7"
    & skf18("1","5","7","8","3","6","1") = "7"
    & skf18("1","5","7","8","3","7","1") = "7"
    & skf18("1","5","7","8","3","8","1") = "7"
    & skf18("1","5","7","8","3","9","1") = "8"
    & skf18("1","5","7","8","3","10","1") = "9"
    & skf18("1","5","7","8","4","1","1") = "7"
    & skf18("1","5","7","8","4","2","1") = "7"
    & skf18("1","5","7","8","4","3","1") = "7"
    & skf18("1","5","7","8","4","4","1") = "7"
    & skf18("1","5","7","8","4","5","1") = "7"
    & skf18("1","5","7","8","4","6","1") = "7"
    & skf18("1","5","7","8","4","7","1") = "7"
    & skf18("1","5","7","8","4","8","1") = "7"
    & skf18("1","5","7","8","4","9","1") = "8"
    & skf18("1","5","7","8","4","10","1") = "9"
    & skf18("1","5","7","8","5","1","1") = "7"
    & skf18("1","5","7","8","5","2","1") = "7"
    & skf18("1","5","7","8","5","3","1") = "7"
    & skf18("1","5","7","8","5","4","1") = "7"
    & skf18("1","5","7","8","5","5","1") = "7"
    & skf18("1","5","7","8","5","6","1") = "7"
    & skf18("1","5","7","8","5","7","1") = "7"
    & skf18("1","5","7","8","5","8","1") = "7"
    & skf18("1","5","7","8","5","9","1") = "8"
    & skf18("1","5","7","8","5","10","1") = "9"
    & skf18("1","5","7","8","6","1","1") = "7"
    & skf18("1","5","7","8","6","2","1") = "7"
    & skf18("1","5","7","8","6","3","1") = "7"
    & skf18("1","5","7","8","6","4","1") = "7"
    & skf18("1","5","7","8","6","5","1") = "7"
    & skf18("1","5","7","8","6","6","1") = "7"
    & skf18("1","5","7","8","6","7","1") = "7"
    & skf18("1","5","7","8","6","8","1") = "7"
    & skf18("1","5","7","8","6","9","1") = "8"
    & skf18("1","5","7","8","6","10","1") = "9"
    & skf18("1","5","7","8","7","1","1") = "7"
    & skf18("1","5","7","8","7","2","1") = "7"
    & skf18("1","5","7","8","7","3","1") = "7"
    & skf18("1","5","7","8","7","4","1") = "7"
    & skf18("1","5","7","8","7","5","1") = "7"
    & skf18("1","5","7","8","7","6","1") = "7"
    & skf18("1","5","7","8","7","7","1") = "7"
    & skf18("1","5","7","8","7","8","1") = "7"
    & skf18("1","5","7","8","7","9","1") = "8"
    & skf18("1","5","7","8","7","10","1") = "9"
    & skf18("1","5","7","8","8","1","1") = "7"
    & skf18("1","5","7","8","8","2","1") = "7"
    & skf18("1","5","7","8","8","3","1") = "7"
    & skf18("1","5","7","8","8","4","1") = "7"
    & skf18("1","5","7","8","8","5","1") = "7"
    & skf18("1","5","7","8","8","6","1") = "7"
    & skf18("1","5","7","8","8","7","1") = "7"
    & skf18("1","5","7","8","8","8","1") = "7"
    & skf18("1","5","7","8","8","9","1") = "8"
    & skf18("1","5","7","8","8","10","1") = "9"
    & skf18("1","5","7","8","9","1","1") = "8"
    & skf18("1","5","7","8","9","2","1") = "8"
    & skf18("1","5","7","8","9","3","1") = "8"
    & skf18("1","5","7","8","9","4","1") = "8"
    & skf18("1","5","7","8","9","5","1") = "8"
    & skf18("1","5","7","8","9","6","1") = "8"
    & skf18("1","5","7","8","9","7","1") = "8"
    & skf18("1","5","7","8","9","8","1") = "8"
    & skf18("1","5","7","8","9","9","1") = "8"
    & skf18("1","5","7","8","9","10","1") = "9"
    & skf18("1","5","7","8","10","1","1") = "9"
    & skf18("1","5","7","8","10","2","1") = "9"
    & skf18("1","5","7","8","10","3","1") = "9"
    & skf18("1","5","7","8","10","4","1") = "9"
    & skf18("1","5","7","8","10","5","1") = "9"
    & skf18("1","5","7","8","10","6","1") = "9"
    & skf18("1","5","7","8","10","7","1") = "9"
    & skf18("1","5","7","8","10","8","1") = "9"
    & skf18("1","5","7","8","10","9","1") = "9"
    & skf18("1","5","7","8","10","10","1") = "9"
    & skf18("1","5","7","9","1","1","1") = "8"
    & skf18("1","5","7","9","1","2","1") = "8"
    & skf18("1","5","7","9","1","3","1") = "8"
    & skf18("1","5","7","9","1","4","1") = "8"
    & skf18("1","5","7","9","1","5","1") = "8"
    & skf18("1","5","7","9","1","6","1") = "8"
    & skf18("1","5","7","9","1","7","1") = "8"
    & skf18("1","5","7","9","1","8","1") = "8"
    & skf18("1","5","7","9","1","9","1") = "8"
    & skf18("1","5","7","9","1","10","1") = "9"
    & skf18("1","5","7","9","2","1","1") = "8"
    & skf18("1","5","7","9","2","2","1") = "8"
    & skf18("1","5","7","9","2","3","1") = "8"
    & skf18("1","5","7","9","2","4","1") = "8"
    & skf18("1","5","7","9","2","5","1") = "8"
    & skf18("1","5","7","9","2","6","1") = "8"
    & skf18("1","5","7","9","2","7","1") = "8"
    & skf18("1","5","7","9","2","8","1") = "8"
    & skf18("1","5","7","9","2","9","1") = "8"
    & skf18("1","5","7","9","2","10","1") = "9"
    & skf18("1","5","7","9","3","1","1") = "8"
    & skf18("1","5","7","9","3","2","1") = "8"
    & skf18("1","5","7","9","3","3","1") = "8"
    & skf18("1","5","7","9","3","4","1") = "8"
    & skf18("1","5","7","9","3","5","1") = "8"
    & skf18("1","5","7","9","3","6","1") = "8"
    & skf18("1","5","7","9","3","7","1") = "8"
    & skf18("1","5","7","9","3","8","1") = "8"
    & skf18("1","5","7","9","3","9","1") = "8"
    & skf18("1","5","7","9","3","10","1") = "9"
    & skf18("1","5","7","9","4","1","1") = "8"
    & skf18("1","5","7","9","4","2","1") = "8"
    & skf18("1","5","7","9","4","3","1") = "8"
    & skf18("1","5","7","9","4","4","1") = "8"
    & skf18("1","5","7","9","4","5","1") = "8"
    & skf18("1","5","7","9","4","6","1") = "8"
    & skf18("1","5","7","9","4","7","1") = "8"
    & skf18("1","5","7","9","4","8","1") = "8"
    & skf18("1","5","7","9","4","9","1") = "8"
    & skf18("1","5","7","9","4","10","1") = "9"
    & skf18("1","5","7","9","5","1","1") = "8"
    & skf18("1","5","7","9","5","2","1") = "8"
    & skf18("1","5","7","9","5","3","1") = "8"
    & skf18("1","5","7","9","5","4","1") = "8"
    & skf18("1","5","7","9","5","5","1") = "8"
    & skf18("1","5","7","9","5","6","1") = "8"
    & skf18("1","5","7","9","5","7","1") = "8"
    & skf18("1","5","7","9","5","8","1") = "8"
    & skf18("1","5","7","9","5","9","1") = "8"
    & skf18("1","5","7","9","5","10","1") = "9"
    & skf18("1","5","7","9","6","1","1") = "8"
    & skf18("1","5","7","9","6","2","1") = "8"
    & skf18("1","5","7","9","6","3","1") = "8"
    & skf18("1","5","7","9","6","4","1") = "8"
    & skf18("1","5","7","9","6","5","1") = "8"
    & skf18("1","5","7","9","6","6","1") = "8"
    & skf18("1","5","7","9","6","7","1") = "8"
    & skf18("1","5","7","9","6","8","1") = "8"
    & skf18("1","5","7","9","6","9","1") = "8"
    & skf18("1","5","7","9","6","10","1") = "9"
    & skf18("1","5","7","9","7","1","1") = "8"
    & skf18("1","5","7","9","7","2","1") = "8"
    & skf18("1","5","7","9","7","3","1") = "8"
    & skf18("1","5","7","9","7","4","1") = "8"
    & skf18("1","5","7","9","7","5","1") = "8"
    & skf18("1","5","7","9","7","6","1") = "8"
    & skf18("1","5","7","9","7","7","1") = "8"
    & skf18("1","5","7","9","7","8","1") = "8"
    & skf18("1","5","7","9","7","9","1") = "8"
    & skf18("1","5","7","9","7","10","1") = "9"
    & skf18("1","5","7","9","8","1","1") = "8"
    & skf18("1","5","7","9","8","2","1") = "8"
    & skf18("1","5","7","9","8","3","1") = "8"
    & skf18("1","5","7","9","8","4","1") = "8"
    & skf18("1","5","7","9","8","5","1") = "8"
    & skf18("1","5","7","9","8","6","1") = "8"
    & skf18("1","5","7","9","8","7","1") = "8"
    & skf18("1","5","7","9","8","8","1") = "8"
    & skf18("1","5","7","9","8","9","1") = "8"
    & skf18("1","5","7","9","8","10","1") = "9"
    & skf18("1","5","7","9","9","1","1") = "8"
    & skf18("1","5","7","9","9","2","1") = "8"
    & skf18("1","5","7","9","9","3","1") = "8"
    & skf18("1","5","7","9","9","4","1") = "8"
    & skf18("1","5","7","9","9","5","1") = "8"
    & skf18("1","5","7","9","9","6","1") = "8"
    & skf18("1","5","7","9","9","7","1") = "8"
    & skf18("1","5","7","9","9","8","1") = "8"
    & skf18("1","5","7","9","9","9","1") = "8"
    & skf18("1","5","7","9","9","10","1") = "9"
    & skf18("1","5","7","9","10","1","1") = "9"
    & skf18("1","5","7","9","10","2","1") = "9"
    & skf18("1","5","7","9","10","3","1") = "9"
    & skf18("1","5","7","9","10","4","1") = "9"
    & skf18("1","5","7","9","10","5","1") = "9"
    & skf18("1","5","7","9","10","6","1") = "9"
    & skf18("1","5","7","9","10","7","1") = "9"
    & skf18("1","5","7","9","10","8","1") = "9"
    & skf18("1","5","7","9","10","9","1") = "9"
    & skf18("1","5","7","9","10","10","1") = "9"
    & skf18("1","5","7","10","1","1","1") = "9"
    & skf18("1","5","7","10","1","2","1") = "9"
    & skf18("1","5","7","10","1","3","1") = "9"
    & skf18("1","5","7","10","1","4","1") = "9"
    & skf18("1","5","7","10","1","5","1") = "9"
    & skf18("1","5","7","10","1","6","1") = "9"
    & skf18("1","5","7","10","1","7","1") = "9"
    & skf18("1","5","7","10","1","8","1") = "9"
    & skf18("1","5","7","10","1","9","1") = "9"
    & skf18("1","5","7","10","1","10","1") = "9"
    & skf18("1","5","7","10","2","1","1") = "9"
    & skf18("1","5","7","10","2","2","1") = "9"
    & skf18("1","5","7","10","2","3","1") = "9"
    & skf18("1","5","7","10","2","4","1") = "9"
    & skf18("1","5","7","10","2","5","1") = "9"
    & skf18("1","5","7","10","2","6","1") = "9"
    & skf18("1","5","7","10","2","7","1") = "9"
    & skf18("1","5","7","10","2","8","1") = "9"
    & skf18("1","5","7","10","2","9","1") = "9"
    & skf18("1","5","7","10","2","10","1") = "9"
    & skf18("1","5","7","10","3","1","1") = "9"
    & skf18("1","5","7","10","3","2","1") = "9"
    & skf18("1","5","7","10","3","3","1") = "9"
    & skf18("1","5","7","10","3","4","1") = "9"
    & skf18("1","5","7","10","3","5","1") = "9"
    & skf18("1","5","7","10","3","6","1") = "9"
    & skf18("1","5","7","10","3","7","1") = "9"
    & skf18("1","5","7","10","3","8","1") = "9"
    & skf18("1","5","7","10","3","9","1") = "9"
    & skf18("1","5","7","10","3","10","1") = "9"
    & skf18("1","5","7","10","4","1","1") = "9"
    & skf18("1","5","7","10","4","2","1") = "9"
    & skf18("1","5","7","10","4","3","1") = "9"
    & skf18("1","5","7","10","4","4","1") = "9"
    & skf18("1","5","7","10","4","5","1") = "9"
    & skf18("1","5","7","10","4","6","1") = "9"
    & skf18("1","5","7","10","4","7","1") = "9"
    & skf18("1","5","7","10","4","8","1") = "9"
    & skf18("1","5","7","10","4","9","1") = "9"
    & skf18("1","5","7","10","4","10","1") = "9"
    & skf18("1","5","7","10","5","1","1") = "9"
    & skf18("1","5","7","10","5","2","1") = "9"
    & skf18("1","5","7","10","5","3","1") = "9"
    & skf18("1","5","7","10","5","4","1") = "9"
    & skf18("1","5","7","10","5","5","1") = "9"
    & skf18("1","5","7","10","5","6","1") = "9"
    & skf18("1","5","7","10","5","7","1") = "9"
    & skf18("1","5","7","10","5","8","1") = "9"
    & skf18("1","5","7","10","5","9","1") = "9"
    & skf18("1","5","7","10","5","10","1") = "9"
    & skf18("1","5","7","10","6","1","1") = "9"
    & skf18("1","5","7","10","6","2","1") = "9"
    & skf18("1","5","7","10","6","3","1") = "9"
    & skf18("1","5","7","10","6","4","1") = "9"
    & skf18("1","5","7","10","6","5","1") = "9"
    & skf18("1","5","7","10","6","6","1") = "9"
    & skf18("1","5","7","10","6","7","1") = "9"
    & skf18("1","5","7","10","6","8","1") = "9"
    & skf18("1","5","7","10","6","9","1") = "9"
    & skf18("1","5","7","10","6","10","1") = "9"
    & skf18("1","5","7","10","7","1","1") = "9"
    & skf18("1","5","7","10","7","2","1") = "9"
    & skf18("1","5","7","10","7","3","1") = "9"
    & skf18("1","5","7","10","7","4","1") = "9"
    & skf18("1","5","7","10","7","5","1") = "9"
    & skf18("1","5","7","10","7","6","1") = "9"
    & skf18("1","5","7","10","7","7","1") = "9"
    & skf18("1","5","7","10","7","8","1") = "9"
    & skf18("1","5","7","10","7","9","1") = "9"
    & skf18("1","5","7","10","7","10","1") = "9"
    & skf18("1","5","7","10","8","1","1") = "9"
    & skf18("1","5","7","10","8","2","1") = "9"
    & skf18("1","5","7","10","8","3","1") = "9"
    & skf18("1","5","7","10","8","4","1") = "9"
    & skf18("1","5","7","10","8","5","1") = "9"
    & skf18("1","5","7","10","8","6","1") = "9"
    & skf18("1","5","7","10","8","7","1") = "9"
    & skf18("1","5","7","10","8","8","1") = "9"
    & skf18("1","5","7","10","8","9","1") = "9"
    & skf18("1","5","7","10","8","10","1") = "9"
    & skf18("1","5","7","10","9","1","1") = "9"
    & skf18("1","5","7","10","9","2","1") = "9"
    & skf18("1","5","7","10","9","3","1") = "9"
    & skf18("1","5","7","10","9","4","1") = "9"
    & skf18("1","5","7","10","9","5","1") = "9"
    & skf18("1","5","7","10","9","6","1") = "9"
    & skf18("1","5","7","10","9","7","1") = "9"
    & skf18("1","5","7","10","9","8","1") = "9"
    & skf18("1","5","7","10","9","9","1") = "9"
    & skf18("1","5","7","10","9","10","1") = "9"
    & skf18("1","5","7","10","10","1","1") = "9"
    & skf18("1","5","7","10","10","2","1") = "9"
    & skf18("1","5","7","10","10","3","1") = "9"
    & skf18("1","5","7","10","10","4","1") = "9"
    & skf18("1","5","7","10","10","5","1") = "9"
    & skf18("1","5","7","10","10","6","1") = "9"
    & skf18("1","5","7","10","10","7","1") = "9"
    & skf18("1","5","7","10","10","8","1") = "9"
    & skf18("1","5","7","10","10","9","1") = "9"
    & skf18("1","5","7","10","10","10","1") = "9"
    & skf18("1","5","8","1","1","1","1") = "7"
    & skf18("1","5","8","1","1","2","1") = "7"
    & skf18("1","5","8","1","1","3","1") = "7"
    & skf18("1","5","8","1","1","4","1") = "7"
    & skf18("1","5","8","1","1","5","1") = "7"
    & skf18("1","5","8","1","1","6","1") = "7"
    & skf18("1","5","8","1","1","7","1") = "7"
    & skf18("1","5","8","1","1","8","1") = "7"
    & skf18("1","5","8","1","1","9","1") = "8"
    & skf18("1","5","8","1","1","10","1") = "9"
    & skf18("1","5","8","1","2","1","1") = "7"
    & skf18("1","5","8","1","2","2","1") = "7"
    & skf18("1","5","8","1","2","3","1") = "7"
    & skf18("1","5","8","1","2","4","1") = "7"
    & skf18("1","5","8","1","2","5","1") = "7"
    & skf18("1","5","8","1","2","6","1") = "7"
    & skf18("1","5","8","1","2","7","1") = "7"
    & skf18("1","5","8","1","2","8","1") = "7"
    & skf18("1","5","8","1","2","9","1") = "8"
    & skf18("1","5","8","1","2","10","1") = "9"
    & skf18("1","5","8","1","3","1","1") = "7"
    & skf18("1","5","8","1","3","2","1") = "7"
    & skf18("1","5","8","1","3","3","1") = "7"
    & skf18("1","5","8","1","3","4","1") = "7"
    & skf18("1","5","8","1","3","5","1") = "7"
    & skf18("1","5","8","1","3","6","1") = "7"
    & skf18("1","5","8","1","3","7","1") = "7"
    & skf18("1","5","8","1","3","8","1") = "7"
    & skf18("1","5","8","1","3","9","1") = "8"
    & skf18("1","5","8","1","3","10","1") = "9"
    & skf18("1","5","8","1","4","1","1") = "7"
    & skf18("1","5","8","1","4","2","1") = "7"
    & skf18("1","5","8","1","4","3","1") = "7"
    & skf18("1","5","8","1","4","4","1") = "7"
    & skf18("1","5","8","1","4","5","1") = "7"
    & skf18("1","5","8","1","4","6","1") = "7"
    & skf18("1","5","8","1","4","7","1") = "7"
    & skf18("1","5","8","1","4","8","1") = "7"
    & skf18("1","5","8","1","4","9","1") = "8"
    & skf18("1","5","8","1","4","10","1") = "9"
    & skf18("1","5","8","1","5","1","1") = "7"
    & skf18("1","5","8","1","5","2","1") = "7"
    & skf18("1","5","8","1","5","3","1") = "7"
    & skf18("1","5","8","1","5","4","1") = "7"
    & skf18("1","5","8","1","5","5","1") = "7"
    & skf18("1","5","8","1","5","6","1") = "7"
    & skf18("1","5","8","1","5","7","1") = "7"
    & skf18("1","5","8","1","5","8","1") = "7"
    & skf18("1","5","8","1","5","9","1") = "8"
    & skf18("1","5","8","1","5","10","1") = "9"
    & skf18("1","5","8","1","6","1","1") = "7"
    & skf18("1","5","8","1","6","2","1") = "7"
    & skf18("1","5","8","1","6","3","1") = "7"
    & skf18("1","5","8","1","6","4","1") = "7"
    & skf18("1","5","8","1","6","5","1") = "7"
    & skf18("1","5","8","1","6","6","1") = "7"
    & skf18("1","5","8","1","6","7","1") = "7"
    & skf18("1","5","8","1","6","8","1") = "7"
    & skf18("1","5","8","1","6","9","1") = "8"
    & skf18("1","5","8","1","6","10","1") = "9"
    & skf18("1","5","8","1","7","1","1") = "7"
    & skf18("1","5","8","1","7","2","1") = "7"
    & skf18("1","5","8","1","7","3","1") = "7"
    & skf18("1","5","8","1","7","4","1") = "7"
    & skf18("1","5","8","1","7","5","1") = "7"
    & skf18("1","5","8","1","7","6","1") = "7"
    & skf18("1","5","8","1","7","7","1") = "7"
    & skf18("1","5","8","1","7","8","1") = "7"
    & skf18("1","5","8","1","7","9","1") = "8"
    & skf18("1","5","8","1","7","10","1") = "9"
    & skf18("1","5","8","1","8","1","1") = "7"
    & skf18("1","5","8","1","8","2","1") = "7"
    & skf18("1","5","8","1","8","3","1") = "7"
    & skf18("1","5","8","1","8","4","1") = "7"
    & skf18("1","5","8","1","8","5","1") = "7"
    & skf18("1","5","8","1","8","6","1") = "7"
    & skf18("1","5","8","1","8","7","1") = "7"
    & skf18("1","5","8","1","8","8","1") = "7"
    & skf18("1","5","8","1","8","9","1") = "8"
    & skf18("1","5","8","1","8","10","1") = "9"
    & skf18("1","5","8","1","9","1","1") = "8"
    & skf18("1","5","8","1","9","2","1") = "8"
    & skf18("1","5","8","1","9","3","1") = "8"
    & skf18("1","5","8","1","9","4","1") = "8"
    & skf18("1","5","8","1","9","5","1") = "8"
    & skf18("1","5","8","1","9","6","1") = "8"
    & skf18("1","5","8","1","9","7","1") = "8"
    & skf18("1","5","8","1","9","8","1") = "8"
    & skf18("1","5","8","1","9","9","1") = "8"
    & skf18("1","5","8","1","9","10","1") = "9"
    & skf18("1","5","8","1","10","1","1") = "9"
    & skf18("1","5","8","1","10","2","1") = "9"
    & skf18("1","5","8","1","10","3","1") = "9"
    & skf18("1","5","8","1","10","4","1") = "9"
    & skf18("1","5","8","1","10","5","1") = "9"
    & skf18("1","5","8","1","10","6","1") = "9"
    & skf18("1","5","8","1","10","7","1") = "9"
    & skf18("1","5","8","1","10","8","1") = "9"
    & skf18("1","5","8","1","10","9","1") = "9"
    & skf18("1","5","8","1","10","10","1") = "9"
    & skf18("1","5","8","2","1","1","1") = "7"
    & skf18("1","5","8","2","1","2","1") = "7"
    & skf18("1","5","8","2","1","3","1") = "7"
    & skf18("1","5","8","2","1","4","1") = "7"
    & skf18("1","5","8","2","1","5","1") = "7"
    & skf18("1","5","8","2","1","6","1") = "7"
    & skf18("1","5","8","2","1","7","1") = "7"
    & skf18("1","5","8","2","1","8","1") = "7"
    & skf18("1","5","8","2","1","9","1") = "8"
    & skf18("1","5","8","2","1","10","1") = "9"
    & skf18("1","5","8","2","2","1","1") = "7"
    & skf18("1","5","8","2","2","2","1") = "7"
    & skf18("1","5","8","2","2","3","1") = "7"
    & skf18("1","5","8","2","2","4","1") = "7"
    & skf18("1","5","8","2","2","5","1") = "7"
    & skf18("1","5","8","2","2","6","1") = "7"
    & skf18("1","5","8","2","2","7","1") = "7"
    & skf18("1","5","8","2","2","8","1") = "7"
    & skf18("1","5","8","2","2","9","1") = "8"
    & skf18("1","5","8","2","2","10","1") = "9"
    & skf18("1","5","8","2","3","1","1") = "7"
    & skf18("1","5","8","2","3","2","1") = "7"
    & skf18("1","5","8","2","3","3","1") = "7"
    & skf18("1","5","8","2","3","4","1") = "7"
    & skf18("1","5","8","2","3","5","1") = "7"
    & skf18("1","5","8","2","3","6","1") = "7"
    & skf18("1","5","8","2","3","7","1") = "7"
    & skf18("1","5","8","2","3","8","1") = "7"
    & skf18("1","5","8","2","3","9","1") = "8"
    & skf18("1","5","8","2","3","10","1") = "9"
    & skf18("1","5","8","2","4","1","1") = "7"
    & skf18("1","5","8","2","4","2","1") = "7"
    & skf18("1","5","8","2","4","3","1") = "7"
    & skf18("1","5","8","2","4","4","1") = "7"
    & skf18("1","5","8","2","4","5","1") = "7"
    & skf18("1","5","8","2","4","6","1") = "7"
    & skf18("1","5","8","2","4","7","1") = "7"
    & skf18("1","5","8","2","4","8","1") = "7"
    & skf18("1","5","8","2","4","9","1") = "8"
    & skf18("1","5","8","2","4","10","1") = "9"
    & skf18("1","5","8","2","5","1","1") = "7"
    & skf18("1","5","8","2","5","2","1") = "7"
    & skf18("1","5","8","2","5","3","1") = "7"
    & skf18("1","5","8","2","5","4","1") = "7"
    & skf18("1","5","8","2","5","5","1") = "7"
    & skf18("1","5","8","2","5","6","1") = "7"
    & skf18("1","5","8","2","5","7","1") = "7"
    & skf18("1","5","8","2","5","8","1") = "7"
    & skf18("1","5","8","2","5","9","1") = "8"
    & skf18("1","5","8","2","5","10","1") = "9"
    & skf18("1","5","8","2","6","1","1") = "7"
    & skf18("1","5","8","2","6","2","1") = "7"
    & skf18("1","5","8","2","6","3","1") = "7"
    & skf18("1","5","8","2","6","4","1") = "7"
    & skf18("1","5","8","2","6","5","1") = "7"
    & skf18("1","5","8","2","6","6","1") = "7"
    & skf18("1","5","8","2","6","7","1") = "7"
    & skf18("1","5","8","2","6","8","1") = "7"
    & skf18("1","5","8","2","6","9","1") = "8"
    & skf18("1","5","8","2","6","10","1") = "9"
    & skf18("1","5","8","2","7","1","1") = "7"
    & skf18("1","5","8","2","7","2","1") = "7"
    & skf18("1","5","8","2","7","3","1") = "7"
    & skf18("1","5","8","2","7","4","1") = "7"
    & skf18("1","5","8","2","7","5","1") = "7"
    & skf18("1","5","8","2","7","6","1") = "7"
    & skf18("1","5","8","2","7","7","1") = "7"
    & skf18("1","5","8","2","7","8","1") = "7"
    & skf18("1","5","8","2","7","9","1") = "8"
    & skf18("1","5","8","2","7","10","1") = "9"
    & skf18("1","5","8","2","8","1","1") = "7"
    & skf18("1","5","8","2","8","2","1") = "7"
    & skf18("1","5","8","2","8","3","1") = "7"
    & skf18("1","5","8","2","8","4","1") = "7"
    & skf18("1","5","8","2","8","5","1") = "7"
    & skf18("1","5","8","2","8","6","1") = "7"
    & skf18("1","5","8","2","8","7","1") = "7"
    & skf18("1","5","8","2","8","8","1") = "7"
    & skf18("1","5","8","2","8","9","1") = "8"
    & skf18("1","5","8","2","8","10","1") = "9"
    & skf18("1","5","8","2","9","1","1") = "8"
    & skf18("1","5","8","2","9","2","1") = "8"
    & skf18("1","5","8","2","9","3","1") = "8"
    & skf18("1","5","8","2","9","4","1") = "8"
    & skf18("1","5","8","2","9","5","1") = "8"
    & skf18("1","5","8","2","9","6","1") = "8"
    & skf18("1","5","8","2","9","7","1") = "8"
    & skf18("1","5","8","2","9","8","1") = "8"
    & skf18("1","5","8","2","9","9","1") = "8"
    & skf18("1","5","8","2","9","10","1") = "9"
    & skf18("1","5","8","2","10","1","1") = "9"
    & skf18("1","5","8","2","10","2","1") = "9"
    & skf18("1","5","8","2","10","3","1") = "9"
    & skf18("1","5","8","2","10","4","1") = "9"
    & skf18("1","5","8","2","10","5","1") = "9"
    & skf18("1","5","8","2","10","6","1") = "9"
    & skf18("1","5","8","2","10","7","1") = "9"
    & skf18("1","5","8","2","10","8","1") = "9"
    & skf18("1","5","8","2","10","9","1") = "9"
    & skf18("1","5","8","2","10","10","1") = "9"
    & skf18("1","5","8","3","1","1","1") = "7"
    & skf18("1","5","8","3","1","2","1") = "7"
    & skf18("1","5","8","3","1","3","1") = "7"
    & skf18("1","5","8","3","1","4","1") = "7"
    & skf18("1","5","8","3","1","5","1") = "7"
    & skf18("1","5","8","3","1","6","1") = "7"
    & skf18("1","5","8","3","1","7","1") = "7"
    & skf18("1","5","8","3","1","8","1") = "7"
    & skf18("1","5","8","3","1","9","1") = "8"
    & skf18("1","5","8","3","1","10","1") = "9"
    & skf18("1","5","8","3","2","1","1") = "7"
    & skf18("1","5","8","3","2","2","1") = "7"
    & skf18("1","5","8","3","2","3","1") = "7"
    & skf18("1","5","8","3","2","4","1") = "7"
    & skf18("1","5","8","3","2","5","1") = "7"
    & skf18("1","5","8","3","2","6","1") = "7"
    & skf18("1","5","8","3","2","7","1") = "7"
    & skf18("1","5","8","3","2","8","1") = "7"
    & skf18("1","5","8","3","2","9","1") = "8"
    & skf18("1","5","8","3","2","10","1") = "9"
    & skf18("1","5","8","3","3","1","1") = "7"
    & skf18("1","5","8","3","3","2","1") = "7"
    & skf18("1","5","8","3","3","3","1") = "7"
    & skf18("1","5","8","3","3","4","1") = "7"
    & skf18("1","5","8","3","3","5","1") = "7"
    & skf18("1","5","8","3","3","6","1") = "7"
    & skf18("1","5","8","3","3","7","1") = "7"
    & skf18("1","5","8","3","3","8","1") = "7"
    & skf18("1","5","8","3","3","9","1") = "8"
    & skf18("1","5","8","3","3","10","1") = "9"
    & skf18("1","5","8","3","4","1","1") = "7"
    & skf18("1","5","8","3","4","2","1") = "7"
    & skf18("1","5","8","3","4","3","1") = "7"
    & skf18("1","5","8","3","4","4","1") = "7"
    & skf18("1","5","8","3","4","5","1") = "7"
    & skf18("1","5","8","3","4","6","1") = "7"
    & skf18("1","5","8","3","4","7","1") = "7"
    & skf18("1","5","8","3","4","8","1") = "7"
    & skf18("1","5","8","3","4","9","1") = "8"
    & skf18("1","5","8","3","4","10","1") = "9"
    & skf18("1","5","8","3","5","1","1") = "7"
    & skf18("1","5","8","3","5","2","1") = "7"
    & skf18("1","5","8","3","5","3","1") = "7"
    & skf18("1","5","8","3","5","4","1") = "7"
    & skf18("1","5","8","3","5","5","1") = "7"
    & skf18("1","5","8","3","5","6","1") = "7"
    & skf18("1","5","8","3","5","7","1") = "7"
    & skf18("1","5","8","3","5","8","1") = "7"
    & skf18("1","5","8","3","5","9","1") = "8"
    & skf18("1","5","8","3","5","10","1") = "9"
    & skf18("1","5","8","3","6","1","1") = "7"
    & skf18("1","5","8","3","6","2","1") = "7"
    & skf18("1","5","8","3","6","3","1") = "7"
    & skf18("1","5","8","3","6","4","1") = "7"
    & skf18("1","5","8","3","6","5","1") = "7"
    & skf18("1","5","8","3","6","6","1") = "7"
    & skf18("1","5","8","3","6","7","1") = "7"
    & skf18("1","5","8","3","6","8","1") = "7"
    & skf18("1","5","8","3","6","9","1") = "8"
    & skf18("1","5","8","3","6","10","1") = "9"
    & skf18("1","5","8","3","7","1","1") = "7"
    & skf18("1","5","8","3","7","2","1") = "7"
    & skf18("1","5","8","3","7","3","1") = "7"
    & skf18("1","5","8","3","7","4","1") = "7"
    & skf18("1","5","8","3","7","5","1") = "7"
    & skf18("1","5","8","3","7","6","1") = "7"
    & skf18("1","5","8","3","7","7","1") = "7"
    & skf18("1","5","8","3","7","8","1") = "7"
    & skf18("1","5","8","3","7","9","1") = "8"
    & skf18("1","5","8","3","7","10","1") = "9"
    & skf18("1","5","8","3","8","1","1") = "7"
    & skf18("1","5","8","3","8","2","1") = "7"
    & skf18("1","5","8","3","8","3","1") = "7"
    & skf18("1","5","8","3","8","4","1") = "7"
    & skf18("1","5","8","3","8","5","1") = "7"
    & skf18("1","5","8","3","8","6","1") = "7"
    & skf18("1","5","8","3","8","7","1") = "7"
    & skf18("1","5","8","3","8","8","1") = "7"
    & skf18("1","5","8","3","8","9","1") = "8"
    & skf18("1","5","8","3","8","10","1") = "9"
    & skf18("1","5","8","3","9","1","1") = "8"
    & skf18("1","5","8","3","9","2","1") = "8"
    & skf18("1","5","8","3","9","3","1") = "8"
    & skf18("1","5","8","3","9","4","1") = "8"
    & skf18("1","5","8","3","9","5","1") = "8"
    & skf18("1","5","8","3","9","6","1") = "8"
    & skf18("1","5","8","3","9","7","1") = "8"
    & skf18("1","5","8","3","9","8","1") = "8"
    & skf18("1","5","8","3","9","9","1") = "8"
    & skf18("1","5","8","3","9","10","1") = "9"
    & skf18("1","5","8","3","10","1","1") = "9"
    & skf18("1","5","8","3","10","2","1") = "9"
    & skf18("1","5","8","3","10","3","1") = "9"
    & skf18("1","5","8","3","10","4","1") = "9"
    & skf18("1","5","8","3","10","5","1") = "9"
    & skf18("1","5","8","3","10","6","1") = "9"
    & skf18("1","5","8","3","10","7","1") = "9"
    & skf18("1","5","8","3","10","8","1") = "9"
    & skf18("1","5","8","3","10","9","1") = "9"
    & skf18("1","5","8","3","10","10","1") = "9"
    & skf18("1","5","8","4","1","1","1") = "7"
    & skf18("1","5","8","4","1","2","1") = "7"
    & skf18("1","5","8","4","1","3","1") = "7"
    & skf18("1","5","8","4","1","4","1") = "7"
    & skf18("1","5","8","4","1","5","1") = "7"
    & skf18("1","5","8","4","1","6","1") = "7"
    & skf18("1","5","8","4","1","7","1") = "7"
    & skf18("1","5","8","4","1","8","1") = "7"
    & skf18("1","5","8","4","1","9","1") = "8"
    & skf18("1","5","8","4","1","10","1") = "9"
    & skf18("1","5","8","4","2","1","1") = "7"
    & skf18("1","5","8","4","2","2","1") = "7"
    & skf18("1","5","8","4","2","3","1") = "7"
    & skf18("1","5","8","4","2","4","1") = "7"
    & skf18("1","5","8","4","2","5","1") = "7"
    & skf18("1","5","8","4","2","6","1") = "7"
    & skf18("1","5","8","4","2","7","1") = "7"
    & skf18("1","5","8","4","2","8","1") = "7"
    & skf18("1","5","8","4","2","9","1") = "8"
    & skf18("1","5","8","4","2","10","1") = "9"
    & skf18("1","5","8","4","3","1","1") = "7"
    & skf18("1","5","8","4","3","2","1") = "7"
    & skf18("1","5","8","4","3","3","1") = "7"
    & skf18("1","5","8","4","3","4","1") = "7"
    & skf18("1","5","8","4","3","5","1") = "7"
    & skf18("1","5","8","4","3","6","1") = "7"
    & skf18("1","5","8","4","3","7","1") = "7"
    & skf18("1","5","8","4","3","8","1") = "7"
    & skf18("1","5","8","4","3","9","1") = "8"
    & skf18("1","5","8","4","3","10","1") = "9"
    & skf18("1","5","8","4","4","1","1") = "7"
    & skf18("1","5","8","4","4","2","1") = "7"
    & skf18("1","5","8","4","4","3","1") = "7"
    & skf18("1","5","8","4","4","4","1") = "7"
    & skf18("1","5","8","4","4","5","1") = "7"
    & skf18("1","5","8","4","4","6","1") = "7"
    & skf18("1","5","8","4","4","7","1") = "7"
    & skf18("1","5","8","4","4","8","1") = "7"
    & skf18("1","5","8","4","4","9","1") = "8"
    & skf18("1","5","8","4","4","10","1") = "9"
    & skf18("1","5","8","4","5","1","1") = "7"
    & skf18("1","5","8","4","5","2","1") = "7"
    & skf18("1","5","8","4","5","3","1") = "7"
    & skf18("1","5","8","4","5","4","1") = "7"
    & skf18("1","5","8","4","5","5","1") = "7"
    & skf18("1","5","8","4","5","6","1") = "7"
    & skf18("1","5","8","4","5","7","1") = "7"
    & skf18("1","5","8","4","5","8","1") = "7"
    & skf18("1","5","8","4","5","9","1") = "8"
    & skf18("1","5","8","4","5","10","1") = "9"
    & skf18("1","5","8","4","6","1","1") = "7"
    & skf18("1","5","8","4","6","2","1") = "7"
    & skf18("1","5","8","4","6","3","1") = "7"
    & skf18("1","5","8","4","6","4","1") = "7"
    & skf18("1","5","8","4","6","5","1") = "7"
    & skf18("1","5","8","4","6","6","1") = "7"
    & skf18("1","5","8","4","6","7","1") = "7"
    & skf18("1","5","8","4","6","8","1") = "7"
    & skf18("1","5","8","4","6","9","1") = "8"
    & skf18("1","5","8","4","6","10","1") = "9"
    & skf18("1","5","8","4","7","1","1") = "7"
    & skf18("1","5","8","4","7","2","1") = "7"
    & skf18("1","5","8","4","7","3","1") = "7"
    & skf18("1","5","8","4","7","4","1") = "7"
    & skf18("1","5","8","4","7","5","1") = "7"
    & skf18("1","5","8","4","7","6","1") = "7"
    & skf18("1","5","8","4","7","7","1") = "7"
    & skf18("1","5","8","4","7","8","1") = "7"
    & skf18("1","5","8","4","7","9","1") = "8"
    & skf18("1","5","8","4","7","10","1") = "9"
    & skf18("1","5","8","4","8","1","1") = "7"
    & skf18("1","5","8","4","8","2","1") = "7"
    & skf18("1","5","8","4","8","3","1") = "7"
    & skf18("1","5","8","4","8","4","1") = "7"
    & skf18("1","5","8","4","8","5","1") = "7"
    & skf18("1","5","8","4","8","6","1") = "7"
    & skf18("1","5","8","4","8","7","1") = "7"
    & skf18("1","5","8","4","8","8","1") = "7"
    & skf18("1","5","8","4","8","9","1") = "8"
    & skf18("1","5","8","4","8","10","1") = "9"
    & skf18("1","5","8","4","9","1","1") = "8"
    & skf18("1","5","8","4","9","2","1") = "8"
    & skf18("1","5","8","4","9","3","1") = "8"
    & skf18("1","5","8","4","9","4","1") = "8"
    & skf18("1","5","8","4","9","5","1") = "8"
    & skf18("1","5","8","4","9","6","1") = "8"
    & skf18("1","5","8","4","9","7","1") = "8"
    & skf18("1","5","8","4","9","8","1") = "8"
    & skf18("1","5","8","4","9","9","1") = "8"
    & skf18("1","5","8","4","9","10","1") = "9"
    & skf18("1","5","8","4","10","1","1") = "9"
    & skf18("1","5","8","4","10","2","1") = "9"
    & skf18("1","5","8","4","10","3","1") = "9"
    & skf18("1","5","8","4","10","4","1") = "9"
    & skf18("1","5","8","4","10","5","1") = "9"
    & skf18("1","5","8","4","10","6","1") = "9"
    & skf18("1","5","8","4","10","7","1") = "9"
    & skf18("1","5","8","4","10","8","1") = "9"
    & skf18("1","5","8","4","10","9","1") = "9"
    & skf18("1","5","8","4","10","10","1") = "9"
    & skf18("1","5","8","5","1","1","1") = "7"
    & skf18("1","5","8","5","1","2","1") = "7"
    & skf18("1","5","8","5","1","3","1") = "7"
    & skf18("1","5","8","5","1","4","1") = "7"
    & skf18("1","5","8","5","1","5","1") = "7"
    & skf18("1","5","8","5","1","6","1") = "7"
    & skf18("1","5","8","5","1","7","1") = "7"
    & skf18("1","5","8","5","1","8","1") = "7"
    & skf18("1","5","8","5","1","9","1") = "8"
    & skf18("1","5","8","5","1","10","1") = "9"
    & skf18("1","5","8","5","2","1","1") = "7"
    & skf18("1","5","8","5","2","2","1") = "7"
    & skf18("1","5","8","5","2","3","1") = "7"
    & skf18("1","5","8","5","2","4","1") = "7"
    & skf18("1","5","8","5","2","5","1") = "7"
    & skf18("1","5","8","5","2","6","1") = "7"
    & skf18("1","5","8","5","2","7","1") = "7"
    & skf18("1","5","8","5","2","8","1") = "7"
    & skf18("1","5","8","5","2","9","1") = "8"
    & skf18("1","5","8","5","2","10","1") = "9"
    & skf18("1","5","8","5","3","1","1") = "7"
    & skf18("1","5","8","5","3","2","1") = "7"
    & skf18("1","5","8","5","3","3","1") = "7"
    & skf18("1","5","8","5","3","4","1") = "7"
    & skf18("1","5","8","5","3","5","1") = "7"
    & skf18("1","5","8","5","3","6","1") = "7"
    & skf18("1","5","8","5","3","7","1") = "7"
    & skf18("1","5","8","5","3","8","1") = "7"
    & skf18("1","5","8","5","3","9","1") = "8"
    & skf18("1","5","8","5","3","10","1") = "9"
    & skf18("1","5","8","5","4","1","1") = "7"
    & skf18("1","5","8","5","4","2","1") = "7"
    & skf18("1","5","8","5","4","3","1") = "7"
    & skf18("1","5","8","5","4","4","1") = "7"
    & skf18("1","5","8","5","4","5","1") = "7"
    & skf18("1","5","8","5","4","6","1") = "7"
    & skf18("1","5","8","5","4","7","1") = "7"
    & skf18("1","5","8","5","4","8","1") = "7"
    & skf18("1","5","8","5","4","9","1") = "8"
    & skf18("1","5","8","5","4","10","1") = "9"
    & skf18("1","5","8","5","5","1","1") = "7"
    & skf18("1","5","8","5","5","2","1") = "7"
    & skf18("1","5","8","5","5","3","1") = "7"
    & skf18("1","5","8","5","5","4","1") = "7"
    & skf18("1","5","8","5","5","5","1") = "7"
    & skf18("1","5","8","5","5","6","1") = "7"
    & skf18("1","5","8","5","5","7","1") = "7"
    & skf18("1","5","8","5","5","8","1") = "7"
    & skf18("1","5","8","5","5","9","1") = "8"
    & skf18("1","5","8","5","5","10","1") = "9"
    & skf18("1","5","8","5","6","1","1") = "7"
    & skf18("1","5","8","5","6","2","1") = "7"
    & skf18("1","5","8","5","6","3","1") = "7"
    & skf18("1","5","8","5","6","4","1") = "7"
    & skf18("1","5","8","5","6","5","1") = "7"
    & skf18("1","5","8","5","6","6","1") = "7"
    & skf18("1","5","8","5","6","7","1") = "7"
    & skf18("1","5","8","5","6","8","1") = "7"
    & skf18("1","5","8","5","6","9","1") = "8"
    & skf18("1","5","8","5","6","10","1") = "9"
    & skf18("1","5","8","5","7","1","1") = "7"
    & skf18("1","5","8","5","7","2","1") = "7"
    & skf18("1","5","8","5","7","3","1") = "7"
    & skf18("1","5","8","5","7","4","1") = "7"
    & skf18("1","5","8","5","7","5","1") = "7"
    & skf18("1","5","8","5","7","6","1") = "7"
    & skf18("1","5","8","5","7","7","1") = "7"
    & skf18("1","5","8","5","7","8","1") = "7"
    & skf18("1","5","8","5","7","9","1") = "8"
    & skf18("1","5","8","5","7","10","1") = "9"
    & skf18("1","5","8","5","8","1","1") = "7"
    & skf18("1","5","8","5","8","2","1") = "7"
    & skf18("1","5","8","5","8","3","1") = "7"
    & skf18("1","5","8","5","8","4","1") = "7"
    & skf18("1","5","8","5","8","5","1") = "7"
    & skf18("1","5","8","5","8","6","1") = "7"
    & skf18("1","5","8","5","8","7","1") = "7"
    & skf18("1","5","8","5","8","8","1") = "7"
    & skf18("1","5","8","5","8","9","1") = "8"
    & skf18("1","5","8","5","8","10","1") = "9"
    & skf18("1","5","8","5","9","1","1") = "8"
    & skf18("1","5","8","5","9","2","1") = "8"
    & skf18("1","5","8","5","9","3","1") = "8"
    & skf18("1","5","8","5","9","4","1") = "8"
    & skf18("1","5","8","5","9","5","1") = "8"
    & skf18("1","5","8","5","9","6","1") = "8"
    & skf18("1","5","8","5","9","7","1") = "8"
    & skf18("1","5","8","5","9","8","1") = "8"
    & skf18("1","5","8","5","9","9","1") = "8"
    & skf18("1","5","8","5","9","10","1") = "9"
    & skf18("1","5","8","5","10","1","1") = "9"
    & skf18("1","5","8","5","10","2","1") = "9"
    & skf18("1","5","8","5","10","3","1") = "9"
    & skf18("1","5","8","5","10","4","1") = "9"
    & skf18("1","5","8","5","10","5","1") = "9"
    & skf18("1","5","8","5","10","6","1") = "9"
    & skf18("1","5","8","5","10","7","1") = "9"
    & skf18("1","5","8","5","10","8","1") = "9"
    & skf18("1","5","8","5","10","9","1") = "9"
    & skf18("1","5","8","5","10","10","1") = "9"
    & skf18("1","5","8","6","1","1","1") = "7"
    & skf18("1","5","8","6","1","2","1") = "7"
    & skf18("1","5","8","6","1","3","1") = "7"
    & skf18("1","5","8","6","1","4","1") = "7"
    & skf18("1","5","8","6","1","5","1") = "7"
    & skf18("1","5","8","6","1","6","1") = "7"
    & skf18("1","5","8","6","1","7","1") = "7"
    & skf18("1","5","8","6","1","8","1") = "7"
    & skf18("1","5","8","6","1","9","1") = "8"
    & skf18("1","5","8","6","1","10","1") = "9"
    & skf18("1","5","8","6","2","1","1") = "7"
    & skf18("1","5","8","6","2","2","1") = "7"
    & skf18("1","5","8","6","2","3","1") = "7"
    & skf18("1","5","8","6","2","4","1") = "7"
    & skf18("1","5","8","6","2","5","1") = "7"
    & skf18("1","5","8","6","2","6","1") = "7"
    & skf18("1","5","8","6","2","7","1") = "7"
    & skf18("1","5","8","6","2","8","1") = "7"
    & skf18("1","5","8","6","2","9","1") = "8"
    & skf18("1","5","8","6","2","10","1") = "9"
    & skf18("1","5","8","6","3","1","1") = "7"
    & skf18("1","5","8","6","3","2","1") = "7"
    & skf18("1","5","8","6","3","3","1") = "7"
    & skf18("1","5","8","6","3","4","1") = "7"
    & skf18("1","5","8","6","3","5","1") = "7"
    & skf18("1","5","8","6","3","6","1") = "7"
    & skf18("1","5","8","6","3","7","1") = "7"
    & skf18("1","5","8","6","3","8","1") = "7"
    & skf18("1","5","8","6","3","9","1") = "8"
    & skf18("1","5","8","6","3","10","1") = "9"
    & skf18("1","5","8","6","4","1","1") = "7"
    & skf18("1","5","8","6","4","2","1") = "7"
    & skf18("1","5","8","6","4","3","1") = "7"
    & skf18("1","5","8","6","4","4","1") = "7"
    & skf18("1","5","8","6","4","5","1") = "7"
    & skf18("1","5","8","6","4","6","1") = "7"
    & skf18("1","5","8","6","4","7","1") = "7"
    & skf18("1","5","8","6","4","8","1") = "7"
    & skf18("1","5","8","6","4","9","1") = "8"
    & skf18("1","5","8","6","4","10","1") = "9"
    & skf18("1","5","8","6","5","1","1") = "7"
    & skf18("1","5","8","6","5","2","1") = "7"
    & skf18("1","5","8","6","5","3","1") = "7"
    & skf18("1","5","8","6","5","4","1") = "7"
    & skf18("1","5","8","6","5","5","1") = "7"
    & skf18("1","5","8","6","5","6","1") = "7"
    & skf18("1","5","8","6","5","7","1") = "7"
    & skf18("1","5","8","6","5","8","1") = "7"
    & skf18("1","5","8","6","5","9","1") = "8"
    & skf18("1","5","8","6","5","10","1") = "9"
    & skf18("1","5","8","6","6","1","1") = "7"
    & skf18("1","5","8","6","6","2","1") = "7"
    & skf18("1","5","8","6","6","3","1") = "7"
    & skf18("1","5","8","6","6","4","1") = "7"
    & skf18("1","5","8","6","6","5","1") = "7"
    & skf18("1","5","8","6","6","6","1") = "7"
    & skf18("1","5","8","6","6","7","1") = "7"
    & skf18("1","5","8","6","6","8","1") = "7"
    & skf18("1","5","8","6","6","9","1") = "8"
    & skf18("1","5","8","6","6","10","1") = "9"
    & skf18("1","5","8","6","7","1","1") = "7"
    & skf18("1","5","8","6","7","2","1") = "7"
    & skf18("1","5","8","6","7","3","1") = "7"
    & skf18("1","5","8","6","7","4","1") = "7"
    & skf18("1","5","8","6","7","5","1") = "7"
    & skf18("1","5","8","6","7","6","1") = "7"
    & skf18("1","5","8","6","7","7","1") = "7"
    & skf18("1","5","8","6","7","8","1") = "7"
    & skf18("1","5","8","6","7","9","1") = "8"
    & skf18("1","5","8","6","7","10","1") = "9"
    & skf18("1","5","8","6","8","1","1") = "7"
    & skf18("1","5","8","6","8","2","1") = "7"
    & skf18("1","5","8","6","8","3","1") = "7"
    & skf18("1","5","8","6","8","4","1") = "7"
    & skf18("1","5","8","6","8","5","1") = "7"
    & skf18("1","5","8","6","8","6","1") = "7"
    & skf18("1","5","8","6","8","7","1") = "7"
    & skf18("1","5","8","6","8","8","1") = "7"
    & skf18("1","5","8","6","8","9","1") = "8"
    & skf18("1","5","8","6","8","10","1") = "9"
    & skf18("1","5","8","6","9","1","1") = "8"
    & skf18("1","5","8","6","9","2","1") = "8"
    & skf18("1","5","8","6","9","3","1") = "8"
    & skf18("1","5","8","6","9","4","1") = "8"
    & skf18("1","5","8","6","9","5","1") = "8"
    & skf18("1","5","8","6","9","6","1") = "8"
    & skf18("1","5","8","6","9","7","1") = "8"
    & skf18("1","5","8","6","9","8","1") = "8"
    & skf18("1","5","8","6","9","9","1") = "8"
    & skf18("1","5","8","6","9","10","1") = "9"
    & skf18("1","5","8","6","10","1","1") = "9"
    & skf18("1","5","8","6","10","2","1") = "9"
    & skf18("1","5","8","6","10","3","1") = "9"
    & skf18("1","5","8","6","10","4","1") = "9"
    & skf18("1","5","8","6","10","5","1") = "9"
    & skf18("1","5","8","6","10","6","1") = "9"
    & skf18("1","5","8","6","10","7","1") = "9"
    & skf18("1","5","8","6","10","8","1") = "9"
    & skf18("1","5","8","6","10","9","1") = "9"
    & skf18("1","5","8","6","10","10","1") = "9"
    & skf18("1","5","8","7","1","1","1") = "7"
    & skf18("1","5","8","7","1","2","1") = "7"
    & skf18("1","5","8","7","1","3","1") = "7"
    & skf18("1","5","8","7","1","4","1") = "7"
    & skf18("1","5","8","7","1","5","1") = "7"
    & skf18("1","5","8","7","1","6","1") = "7"
    & skf18("1","5","8","7","1","7","1") = "7"
    & skf18("1","5","8","7","1","8","1") = "7"
    & skf18("1","5","8","7","1","9","1") = "8"
    & skf18("1","5","8","7","1","10","1") = "9"
    & skf18("1","5","8","7","2","1","1") = "7"
    & skf18("1","5","8","7","2","2","1") = "7"
    & skf18("1","5","8","7","2","3","1") = "7"
    & skf18("1","5","8","7","2","4","1") = "7"
    & skf18("1","5","8","7","2","5","1") = "7"
    & skf18("1","5","8","7","2","6","1") = "7"
    & skf18("1","5","8","7","2","7","1") = "7"
    & skf18("1","5","8","7","2","8","1") = "7"
    & skf18("1","5","8","7","2","9","1") = "8"
    & skf18("1","5","8","7","2","10","1") = "9"
    & skf18("1","5","8","7","3","1","1") = "7"
    & skf18("1","5","8","7","3","2","1") = "7"
    & skf18("1","5","8","7","3","3","1") = "7"
    & skf18("1","5","8","7","3","4","1") = "7"
    & skf18("1","5","8","7","3","5","1") = "7"
    & skf18("1","5","8","7","3","6","1") = "7"
    & skf18("1","5","8","7","3","7","1") = "7"
    & skf18("1","5","8","7","3","8","1") = "7"
    & skf18("1","5","8","7","3","9","1") = "8"
    & skf18("1","5","8","7","3","10","1") = "9"
    & skf18("1","5","8","7","4","1","1") = "7"
    & skf18("1","5","8","7","4","2","1") = "7"
    & skf18("1","5","8","7","4","3","1") = "7"
    & skf18("1","5","8","7","4","4","1") = "7"
    & skf18("1","5","8","7","4","5","1") = "7"
    & skf18("1","5","8","7","4","6","1") = "7"
    & skf18("1","5","8","7","4","7","1") = "7"
    & skf18("1","5","8","7","4","8","1") = "7"
    & skf18("1","5","8","7","4","9","1") = "8"
    & skf18("1","5","8","7","4","10","1") = "9"
    & skf18("1","5","8","7","5","1","1") = "7"
    & skf18("1","5","8","7","5","2","1") = "7"
    & skf18("1","5","8","7","5","3","1") = "7"
    & skf18("1","5","8","7","5","4","1") = "7"
    & skf18("1","5","8","7","5","5","1") = "7"
    & skf18("1","5","8","7","5","6","1") = "7"
    & skf18("1","5","8","7","5","7","1") = "7"
    & skf18("1","5","8","7","5","8","1") = "7"
    & skf18("1","5","8","7","5","9","1") = "8"
    & skf18("1","5","8","7","5","10","1") = "9"
    & skf18("1","5","8","7","6","1","1") = "7"
    & skf18("1","5","8","7","6","2","1") = "7"
    & skf18("1","5","8","7","6","3","1") = "7"
    & skf18("1","5","8","7","6","4","1") = "7"
    & skf18("1","5","8","7","6","5","1") = "7"
    & skf18("1","5","8","7","6","6","1") = "7"
    & skf18("1","5","8","7","6","7","1") = "7"
    & skf18("1","5","8","7","6","8","1") = "7"
    & skf18("1","5","8","7","6","9","1") = "8"
    & skf18("1","5","8","7","6","10","1") = "9"
    & skf18("1","5","8","7","7","1","1") = "7"
    & skf18("1","5","8","7","7","2","1") = "7"
    & skf18("1","5","8","7","7","3","1") = "7"
    & skf18("1","5","8","7","7","4","1") = "7"
    & skf18("1","5","8","7","7","5","1") = "7"
    & skf18("1","5","8","7","7","6","1") = "7"
    & skf18("1","5","8","7","7","7","1") = "7"
    & skf18("1","5","8","7","7","8","1") = "7"
    & skf18("1","5","8","7","7","9","1") = "8"
    & skf18("1","5","8","7","7","10","1") = "9"
    & skf18("1","5","8","7","8","1","1") = "7"
    & skf18("1","5","8","7","8","2","1") = "7"
    & skf18("1","5","8","7","8","3","1") = "7"
    & skf18("1","5","8","7","8","4","1") = "7"
    & skf18("1","5","8","7","8","5","1") = "7"
    & skf18("1","5","8","7","8","6","1") = "7"
    & skf18("1","5","8","7","8","7","1") = "7"
    & skf18("1","5","8","7","8","8","1") = "7"
    & skf18("1","5","8","7","8","9","1") = "8"
    & skf18("1","5","8","7","8","10","1") = "9"
    & skf18("1","5","8","7","9","1","1") = "8"
    & skf18("1","5","8","7","9","2","1") = "8"
    & skf18("1","5","8","7","9","3","1") = "8"
    & skf18("1","5","8","7","9","4","1") = "8"
    & skf18("1","5","8","7","9","5","1") = "8"
    & skf18("1","5","8","7","9","6","1") = "8"
    & skf18("1","5","8","7","9","7","1") = "8"
    & skf18("1","5","8","7","9","8","1") = "8"
    & skf18("1","5","8","7","9","9","1") = "8"
    & skf18("1","5","8","7","9","10","1") = "9"
    & skf18("1","5","8","7","10","1","1") = "9"
    & skf18("1","5","8","7","10","2","1") = "9"
    & skf18("1","5","8","7","10","3","1") = "9"
    & skf18("1","5","8","7","10","4","1") = "9"
    & skf18("1","5","8","7","10","5","1") = "9"
    & skf18("1","5","8","7","10","6","1") = "9"
    & skf18("1","5","8","7","10","7","1") = "9"
    & skf18("1","5","8","7","10","8","1") = "9"
    & skf18("1","5","8","7","10","9","1") = "9"
    & skf18("1","5","8","7","10","10","1") = "9"
    & skf18("1","5","8","8","1","1","1") = "7"
    & skf18("1","5","8","8","1","2","1") = "7"
    & skf18("1","5","8","8","1","3","1") = "7"
    & skf18("1","5","8","8","1","4","1") = "7"
    & skf18("1","5","8","8","1","5","1") = "7"
    & skf18("1","5","8","8","1","6","1") = "7"
    & skf18("1","5","8","8","1","7","1") = "7"
    & skf18("1","5","8","8","1","8","1") = "7"
    & skf18("1","5","8","8","1","9","1") = "8"
    & skf18("1","5","8","8","1","10","1") = "9"
    & skf18("1","5","8","8","2","1","1") = "7"
    & skf18("1","5","8","8","2","2","1") = "7"
    & skf18("1","5","8","8","2","3","1") = "7"
    & skf18("1","5","8","8","2","4","1") = "7"
    & skf18("1","5","8","8","2","5","1") = "7"
    & skf18("1","5","8","8","2","6","1") = "7"
    & skf18("1","5","8","8","2","7","1") = "7"
    & skf18("1","5","8","8","2","8","1") = "7"
    & skf18("1","5","8","8","2","9","1") = "8"
    & skf18("1","5","8","8","2","10","1") = "9"
    & skf18("1","5","8","8","3","1","1") = "7"
    & skf18("1","5","8","8","3","2","1") = "7"
    & skf18("1","5","8","8","3","3","1") = "7"
    & skf18("1","5","8","8","3","4","1") = "7"
    & skf18("1","5","8","8","3","5","1") = "7"
    & skf18("1","5","8","8","3","6","1") = "7"
    & skf18("1","5","8","8","3","7","1") = "7"
    & skf18("1","5","8","8","3","8","1") = "7"
    & skf18("1","5","8","8","3","9","1") = "8"
    & skf18("1","5","8","8","3","10","1") = "9"
    & skf18("1","5","8","8","4","1","1") = "7"
    & skf18("1","5","8","8","4","2","1") = "7"
    & skf18("1","5","8","8","4","3","1") = "7"
    & skf18("1","5","8","8","4","4","1") = "7"
    & skf18("1","5","8","8","4","5","1") = "7"
    & skf18("1","5","8","8","4","6","1") = "7"
    & skf18("1","5","8","8","4","7","1") = "7"
    & skf18("1","5","8","8","4","8","1") = "7"
    & skf18("1","5","8","8","4","9","1") = "8"
    & skf18("1","5","8","8","4","10","1") = "9"
    & skf18("1","5","8","8","5","1","1") = "7"
    & skf18("1","5","8","8","5","2","1") = "7"
    & skf18("1","5","8","8","5","3","1") = "7"
    & skf18("1","5","8","8","5","4","1") = "7"
    & skf18("1","5","8","8","5","5","1") = "7"
    & skf18("1","5","8","8","5","6","1") = "7"
    & skf18("1","5","8","8","5","7","1") = "7"
    & skf18("1","5","8","8","5","8","1") = "7"
    & skf18("1","5","8","8","5","9","1") = "8"
    & skf18("1","5","8","8","5","10","1") = "9"
    & skf18("1","5","8","8","6","1","1") = "7"
    & skf18("1","5","8","8","6","2","1") = "7"
    & skf18("1","5","8","8","6","3","1") = "7"
    & skf18("1","5","8","8","6","4","1") = "7"
    & skf18("1","5","8","8","6","5","1") = "7"
    & skf18("1","5","8","8","6","6","1") = "7"
    & skf18("1","5","8","8","6","7","1") = "7"
    & skf18("1","5","8","8","6","8","1") = "7"
    & skf18("1","5","8","8","6","9","1") = "8"
    & skf18("1","5","8","8","6","10","1") = "9"
    & skf18("1","5","8","8","7","1","1") = "7"
    & skf18("1","5","8","8","7","2","1") = "7"
    & skf18("1","5","8","8","7","3","1") = "7"
    & skf18("1","5","8","8","7","4","1") = "7"
    & skf18("1","5","8","8","7","5","1") = "7"
    & skf18("1","5","8","8","7","6","1") = "7"
    & skf18("1","5","8","8","7","7","1") = "7"
    & skf18("1","5","8","8","7","8","1") = "7"
    & skf18("1","5","8","8","7","9","1") = "8"
    & skf18("1","5","8","8","7","10","1") = "9"
    & skf18("1","5","8","8","8","1","1") = "7"
    & skf18("1","5","8","8","8","2","1") = "7"
    & skf18("1","5","8","8","8","3","1") = "7"
    & skf18("1","5","8","8","8","4","1") = "7"
    & skf18("1","5","8","8","8","5","1") = "7"
    & skf18("1","5","8","8","8","6","1") = "7"
    & skf18("1","5","8","8","8","7","1") = "7"
    & skf18("1","5","8","8","8","8","1") = "7"
    & skf18("1","5","8","8","8","9","1") = "8"
    & skf18("1","5","8","8","8","10","1") = "9"
    & skf18("1","5","8","8","9","1","1") = "8"
    & skf18("1","5","8","8","9","2","1") = "8"
    & skf18("1","5","8","8","9","3","1") = "8"
    & skf18("1","5","8","8","9","4","1") = "8"
    & skf18("1","5","8","8","9","5","1") = "8"
    & skf18("1","5","8","8","9","6","1") = "8"
    & skf18("1","5","8","8","9","7","1") = "8"
    & skf18("1","5","8","8","9","8","1") = "8"
    & skf18("1","5","8","8","9","9","1") = "8"
    & skf18("1","5","8","8","9","10","1") = "9"
    & skf18("1","5","8","8","10","1","1") = "9"
    & skf18("1","5","8","8","10","2","1") = "9"
    & skf18("1","5","8","8","10","3","1") = "9"
    & skf18("1","5","8","8","10","4","1") = "9"
    & skf18("1","5","8","8","10","5","1") = "9"
    & skf18("1","5","8","8","10","6","1") = "9"
    & skf18("1","5","8","8","10","7","1") = "9"
    & skf18("1","5","8","8","10","8","1") = "9"
    & skf18("1","5","8","8","10","9","1") = "9"
    & skf18("1","5","8","8","10","10","1") = "9"
    & skf18("1","5","8","9","1","1","1") = "8"
    & skf18("1","5","8","9","1","2","1") = "8"
    & skf18("1","5","8","9","1","3","1") = "8"
    & skf18("1","5","8","9","1","4","1") = "8"
    & skf18("1","5","8","9","1","5","1") = "8"
    & skf18("1","5","8","9","1","6","1") = "8"
    & skf18("1","5","8","9","1","7","1") = "8"
    & skf18("1","5","8","9","1","8","1") = "8"
    & skf18("1","5","8","9","1","9","1") = "8"
    & skf18("1","5","8","9","1","10","1") = "9"
    & skf18("1","5","8","9","2","1","1") = "8"
    & skf18("1","5","8","9","2","2","1") = "8"
    & skf18("1","5","8","9","2","3","1") = "8"
    & skf18("1","5","8","9","2","4","1") = "8"
    & skf18("1","5","8","9","2","5","1") = "8"
    & skf18("1","5","8","9","2","6","1") = "8"
    & skf18("1","5","8","9","2","7","1") = "8"
    & skf18("1","5","8","9","2","8","1") = "8"
    & skf18("1","5","8","9","2","9","1") = "8"
    & skf18("1","5","8","9","2","10","1") = "9"
    & skf18("1","5","8","9","3","1","1") = "8"
    & skf18("1","5","8","9","3","2","1") = "8"
    & skf18("1","5","8","9","3","3","1") = "8"
    & skf18("1","5","8","9","3","4","1") = "8"
    & skf18("1","5","8","9","3","5","1") = "8"
    & skf18("1","5","8","9","3","6","1") = "8"
    & skf18("1","5","8","9","3","7","1") = "8"
    & skf18("1","5","8","9","3","8","1") = "8"
    & skf18("1","5","8","9","3","9","1") = "8"
    & skf18("1","5","8","9","3","10","1") = "9"
    & skf18("1","5","8","9","4","1","1") = "8"
    & skf18("1","5","8","9","4","2","1") = "8"
    & skf18("1","5","8","9","4","3","1") = "8"
    & skf18("1","5","8","9","4","4","1") = "8"
    & skf18("1","5","8","9","4","5","1") = "8"
    & skf18("1","5","8","9","4","6","1") = "8"
    & skf18("1","5","8","9","4","7","1") = "8"
    & skf18("1","5","8","9","4","8","1") = "8"
    & skf18("1","5","8","9","4","9","1") = "8"
    & skf18("1","5","8","9","4","10","1") = "9"
    & skf18("1","5","8","9","5","1","1") = "8"
    & skf18("1","5","8","9","5","2","1") = "8"
    & skf18("1","5","8","9","5","3","1") = "8"
    & skf18("1","5","8","9","5","4","1") = "8"
    & skf18("1","5","8","9","5","5","1") = "8"
    & skf18("1","5","8","9","5","6","1") = "8"
    & skf18("1","5","8","9","5","7","1") = "8"
    & skf18("1","5","8","9","5","8","1") = "8"
    & skf18("1","5","8","9","5","9","1") = "8"
    & skf18("1","5","8","9","5","10","1") = "9"
    & skf18("1","5","8","9","6","1","1") = "8"
    & skf18("1","5","8","9","6","2","1") = "8"
    & skf18("1","5","8","9","6","3","1") = "8"
    & skf18("1","5","8","9","6","4","1") = "8"
    & skf18("1","5","8","9","6","5","1") = "8"
    & skf18("1","5","8","9","6","6","1") = "8"
    & skf18("1","5","8","9","6","7","1") = "8"
    & skf18("1","5","8","9","6","8","1") = "8"
    & skf18("1","5","8","9","6","9","1") = "8"
    & skf18("1","5","8","9","6","10","1") = "9"
    & skf18("1","5","8","9","7","1","1") = "8"
    & skf18("1","5","8","9","7","2","1") = "8"
    & skf18("1","5","8","9","7","3","1") = "8"
    & skf18("1","5","8","9","7","4","1") = "8"
    & skf18("1","5","8","9","7","5","1") = "8"
    & skf18("1","5","8","9","7","6","1") = "8"
    & skf18("1","5","8","9","7","7","1") = "8"
    & skf18("1","5","8","9","7","8","1") = "8"
    & skf18("1","5","8","9","7","9","1") = "8"
    & skf18("1","5","8","9","7","10","1") = "9"
    & skf18("1","5","8","9","8","1","1") = "8"
    & skf18("1","5","8","9","8","2","1") = "8"
    & skf18("1","5","8","9","8","3","1") = "8"
    & skf18("1","5","8","9","8","4","1") = "8"
    & skf18("1","5","8","9","8","5","1") = "8"
    & skf18("1","5","8","9","8","6","1") = "8"
    & skf18("1","5","8","9","8","7","1") = "8"
    & skf18("1","5","8","9","8","8","1") = "8"
    & skf18("1","5","8","9","8","9","1") = "8"
    & skf18("1","5","8","9","8","10","1") = "9"
    & skf18("1","5","8","9","9","1","1") = "8"
    & skf18("1","5","8","9","9","2","1") = "8"
    & skf18("1","5","8","9","9","3","1") = "8"
    & skf18("1","5","8","9","9","4","1") = "8"
    & skf18("1","5","8","9","9","5","1") = "8"
    & skf18("1","5","8","9","9","6","1") = "8"
    & skf18("1","5","8","9","9","7","1") = "8"
    & skf18("1","5","8","9","9","8","1") = "8"
    & skf18("1","5","8","9","9","9","1") = "8"
    & skf18("1","5","8","9","9","10","1") = "9"
    & skf18("1","5","8","9","10","1","1") = "9"
    & skf18("1","5","8","9","10","2","1") = "9"
    & skf18("1","5","8","9","10","3","1") = "9"
    & skf18("1","5","8","9","10","4","1") = "9"
    & skf18("1","5","8","9","10","5","1") = "9"
    & skf18("1","5","8","9","10","6","1") = "9"
    & skf18("1","5","8","9","10","7","1") = "9"
    & skf18("1","5","8","9","10","8","1") = "9"
    & skf18("1","5","8","9","10","9","1") = "9"
    & skf18("1","5","8","9","10","10","1") = "9"
    & skf18("1","5","8","10","1","1","1") = "9"
    & skf18("1","5","8","10","1","2","1") = "9"
    & skf18("1","5","8","10","1","3","1") = "9"
    & skf18("1","5","8","10","1","4","1") = "9"
    & skf18("1","5","8","10","1","5","1") = "9"
    & skf18("1","5","8","10","1","6","1") = "9"
    & skf18("1","5","8","10","1","7","1") = "9"
    & skf18("1","5","8","10","1","8","1") = "9"
    & skf18("1","5","8","10","1","9","1") = "9"
    & skf18("1","5","8","10","1","10","1") = "9"
    & skf18("1","5","8","10","2","1","1") = "9"
    & skf18("1","5","8","10","2","2","1") = "9"
    & skf18("1","5","8","10","2","3","1") = "9"
    & skf18("1","5","8","10","2","4","1") = "9"
    & skf18("1","5","8","10","2","5","1") = "9"
    & skf18("1","5","8","10","2","6","1") = "9"
    & skf18("1","5","8","10","2","7","1") = "9"
    & skf18("1","5","8","10","2","8","1") = "9"
    & skf18("1","5","8","10","2","9","1") = "9"
    & skf18("1","5","8","10","2","10","1") = "9"
    & skf18("1","5","8","10","3","1","1") = "9"
    & skf18("1","5","8","10","3","2","1") = "9"
    & skf18("1","5","8","10","3","3","1") = "9"
    & skf18("1","5","8","10","3","4","1") = "9"
    & skf18("1","5","8","10","3","5","1") = "9"
    & skf18("1","5","8","10","3","6","1") = "9"
    & skf18("1","5","8","10","3","7","1") = "9"
    & skf18("1","5","8","10","3","8","1") = "9"
    & skf18("1","5","8","10","3","9","1") = "9"
    & skf18("1","5","8","10","3","10","1") = "9"
    & skf18("1","5","8","10","4","1","1") = "9"
    & skf18("1","5","8","10","4","2","1") = "9"
    & skf18("1","5","8","10","4","3","1") = "9"
    & skf18("1","5","8","10","4","4","1") = "9"
    & skf18("1","5","8","10","4","5","1") = "9"
    & skf18("1","5","8","10","4","6","1") = "9"
    & skf18("1","5","8","10","4","7","1") = "9"
    & skf18("1","5","8","10","4","8","1") = "9"
    & skf18("1","5","8","10","4","9","1") = "9"
    & skf18("1","5","8","10","4","10","1") = "9"
    & skf18("1","5","8","10","5","1","1") = "9"
    & skf18("1","5","8","10","5","2","1") = "9"
    & skf18("1","5","8","10","5","3","1") = "9"
    & skf18("1","5","8","10","5","4","1") = "9"
    & skf18("1","5","8","10","5","5","1") = "9"
    & skf18("1","5","8","10","5","6","1") = "9"
    & skf18("1","5","8","10","5","7","1") = "9"
    & skf18("1","5","8","10","5","8","1") = "9"
    & skf18("1","5","8","10","5","9","1") = "9"
    & skf18("1","5","8","10","5","10","1") = "9"
    & skf18("1","5","8","10","6","1","1") = "9"
    & skf18("1","5","8","10","6","2","1") = "9"
    & skf18("1","5","8","10","6","3","1") = "9"
    & skf18("1","5","8","10","6","4","1") = "9"
    & skf18("1","5","8","10","6","5","1") = "9"
    & skf18("1","5","8","10","6","6","1") = "9"
    & skf18("1","5","8","10","6","7","1") = "9"
    & skf18("1","5","8","10","6","8","1") = "9"
    & skf18("1","5","8","10","6","9","1") = "9"
    & skf18("1","5","8","10","6","10","1") = "9"
    & skf18("1","5","8","10","7","1","1") = "9"
    & skf18("1","5","8","10","7","2","1") = "9"
    & skf18("1","5","8","10","7","3","1") = "9"
    & skf18("1","5","8","10","7","4","1") = "9"
    & skf18("1","5","8","10","7","5","1") = "9"
    & skf18("1","5","8","10","7","6","1") = "9"
    & skf18("1","5","8","10","7","7","1") = "9"
    & skf18("1","5","8","10","7","8","1") = "9"
    & skf18("1","5","8","10","7","9","1") = "9"
    & skf18("1","5","8","10","7","10","1") = "9"
    & skf18("1","5","8","10","8","1","1") = "9"
    & skf18("1","5","8","10","8","2","1") = "9"
    & skf18("1","5","8","10","8","3","1") = "9"
    & skf18("1","5","8","10","8","4","1") = "9"
    & skf18("1","5","8","10","8","5","1") = "9"
    & skf18("1","5","8","10","8","6","1") = "9"
    & skf18("1","5","8","10","8","7","1") = "9"
    & skf18("1","5","8","10","8","8","1") = "9"
    & skf18("1","5","8","10","8","9","1") = "9"
    & skf18("1","5","8","10","8","10","1") = "9"
    & skf18("1","5","8","10","9","1","1") = "9"
    & skf18("1","5","8","10","9","2","1") = "9"
    & skf18("1","5","8","10","9","3","1") = "9"
    & skf18("1","5","8","10","9","4","1") = "9"
    & skf18("1","5","8","10","9","5","1") = "9"
    & skf18("1","5","8","10","9","6","1") = "9"
    & skf18("1","5","8","10","9","7","1") = "9"
    & skf18("1","5","8","10","9","8","1") = "9"
    & skf18("1","5","8","10","9","9","1") = "9"
    & skf18("1","5","8","10","9","10","1") = "9"
    & skf18("1","5","8","10","10","1","1") = "9"
    & skf18("1","5","8","10","10","2","1") = "9"
    & skf18("1","5","8","10","10","3","1") = "9"
    & skf18("1","5","8","10","10","4","1") = "9"
    & skf18("1","5","8","10","10","5","1") = "9"
    & skf18("1","5","8","10","10","6","1") = "9"
    & skf18("1","5","8","10","10","7","1") = "9"
    & skf18("1","5","8","10","10","8","1") = "9"
    & skf18("1","5","8","10","10","9","1") = "9"
    & skf18("1","5","8","10","10","10","1") = "9"
    & skf18("1","5","9","1","1","1","1") = "8"
    & skf18("1","5","9","1","1","2","1") = "8"
    & skf18("1","5","9","1","1","3","1") = "8"
    & skf18("1","5","9","1","1","4","1") = "8"
    & skf18("1","5","9","1","1","5","1") = "8"
    & skf18("1","5","9","1","1","6","1") = "8"
    & skf18("1","5","9","1","1","7","1") = "8"
    & skf18("1","5","9","1","1","8","1") = "8"
    & skf18("1","5","9","1","1","9","1") = "8"
    & skf18("1","5","9","1","1","10","1") = "9"
    & skf18("1","5","9","1","2","1","1") = "8"
    & skf18("1","5","9","1","2","2","1") = "8"
    & skf18("1","5","9","1","2","3","1") = "8"
    & skf18("1","5","9","1","2","4","1") = "8"
    & skf18("1","5","9","1","2","5","1") = "8"
    & skf18("1","5","9","1","2","6","1") = "8"
    & skf18("1","5","9","1","2","7","1") = "8"
    & skf18("1","5","9","1","2","8","1") = "8"
    & skf18("1","5","9","1","2","9","1") = "8"
    & skf18("1","5","9","1","2","10","1") = "9"
    & skf18("1","5","9","1","3","1","1") = "8"
    & skf18("1","5","9","1","3","2","1") = "8"
    & skf18("1","5","9","1","3","3","1") = "8"
    & skf18("1","5","9","1","3","4","1") = "8"
    & skf18("1","5","9","1","3","5","1") = "8"
    & skf18("1","5","9","1","3","6","1") = "8"
    & skf18("1","5","9","1","3","7","1") = "8"
    & skf18("1","5","9","1","3","8","1") = "8"
    & skf18("1","5","9","1","3","9","1") = "8"
    & skf18("1","5","9","1","3","10","1") = "9"
    & skf18("1","5","9","1","4","1","1") = "8"
    & skf18("1","5","9","1","4","2","1") = "8"
    & skf18("1","5","9","1","4","3","1") = "8"
    & skf18("1","5","9","1","4","4","1") = "8"
    & skf18("1","5","9","1","4","5","1") = "8"
    & skf18("1","5","9","1","4","6","1") = "8"
    & skf18("1","5","9","1","4","7","1") = "8"
    & skf18("1","5","9","1","4","8","1") = "8"
    & skf18("1","5","9","1","4","9","1") = "8"
    & skf18("1","5","9","1","4","10","1") = "9"
    & skf18("1","5","9","1","5","1","1") = "8"
    & skf18("1","5","9","1","5","2","1") = "8"
    & skf18("1","5","9","1","5","3","1") = "8"
    & skf18("1","5","9","1","5","4","1") = "8"
    & skf18("1","5","9","1","5","5","1") = "8"
    & skf18("1","5","9","1","5","6","1") = "8"
    & skf18("1","5","9","1","5","7","1") = "8"
    & skf18("1","5","9","1","5","8","1") = "8"
    & skf18("1","5","9","1","5","9","1") = "8"
    & skf18("1","5","9","1","5","10","1") = "9"
    & skf18("1","5","9","1","6","1","1") = "8"
    & skf18("1","5","9","1","6","2","1") = "8"
    & skf18("1","5","9","1","6","3","1") = "8"
    & skf18("1","5","9","1","6","4","1") = "8"
    & skf18("1","5","9","1","6","5","1") = "8"
    & skf18("1","5","9","1","6","6","1") = "8"
    & skf18("1","5","9","1","6","7","1") = "8"
    & skf18("1","5","9","1","6","8","1") = "8"
    & skf18("1","5","9","1","6","9","1") = "8"
    & skf18("1","5","9","1","6","10","1") = "9"
    & skf18("1","5","9","1","7","1","1") = "8"
    & skf18("1","5","9","1","7","2","1") = "8"
    & skf18("1","5","9","1","7","3","1") = "8"
    & skf18("1","5","9","1","7","4","1") = "8"
    & skf18("1","5","9","1","7","5","1") = "8"
    & skf18("1","5","9","1","7","6","1") = "8"
    & skf18("1","5","9","1","7","7","1") = "8"
    & skf18("1","5","9","1","7","8","1") = "8"
    & skf18("1","5","9","1","7","9","1") = "8"
    & skf18("1","5","9","1","7","10","1") = "9"
    & skf18("1","5","9","1","8","1","1") = "8"
    & skf18("1","5","9","1","8","2","1") = "8"
    & skf18("1","5","9","1","8","3","1") = "8"
    & skf18("1","5","9","1","8","4","1") = "8"
    & skf18("1","5","9","1","8","5","1") = "8"
    & skf18("1","5","9","1","8","6","1") = "8"
    & skf18("1","5","9","1","8","7","1") = "8"
    & skf18("1","5","9","1","8","8","1") = "8"
    & skf18("1","5","9","1","8","9","1") = "8"
    & skf18("1","5","9","1","8","10","1") = "9"
    & skf18("1","5","9","1","9","1","1") = "8"
    & skf18("1","5","9","1","9","2","1") = "8"
    & skf18("1","5","9","1","9","3","1") = "8"
    & skf18("1","5","9","1","9","4","1") = "8"
    & skf18("1","5","9","1","9","5","1") = "8"
    & skf18("1","5","9","1","9","6","1") = "8"
    & skf18("1","5","9","1","9","7","1") = "8"
    & skf18("1","5","9","1","9","8","1") = "8"
    & skf18("1","5","9","1","9","9","1") = "8"
    & skf18("1","5","9","1","9","10","1") = "9"
    & skf18("1","5","9","1","10","1","1") = "9"
    & skf18("1","5","9","1","10","2","1") = "9"
    & skf18("1","5","9","1","10","3","1") = "9"
    & skf18("1","5","9","1","10","4","1") = "9"
    & skf18("1","5","9","1","10","5","1") = "9"
    & skf18("1","5","9","1","10","6","1") = "9"
    & skf18("1","5","9","1","10","7","1") = "9"
    & skf18("1","5","9","1","10","8","1") = "9"
    & skf18("1","5","9","1","10","9","1") = "9"
    & skf18("1","5","9","1","10","10","1") = "9"
    & skf18("1","5","9","2","1","1","1") = "8"
    & skf18("1","5","9","2","1","2","1") = "8"
    & skf18("1","5","9","2","1","3","1") = "8"
    & skf18("1","5","9","2","1","4","1") = "8"
    & skf18("1","5","9","2","1","5","1") = "8"
    & skf18("1","5","9","2","1","6","1") = "8"
    & skf18("1","5","9","2","1","7","1") = "8"
    & skf18("1","5","9","2","1","8","1") = "8"
    & skf18("1","5","9","2","1","9","1") = "8"
    & skf18("1","5","9","2","1","10","1") = "9"
    & skf18("1","5","9","2","2","1","1") = "8"
    & skf18("1","5","9","2","2","2","1") = "8"
    & skf18("1","5","9","2","2","3","1") = "8"
    & skf18("1","5","9","2","2","4","1") = "8"
    & skf18("1","5","9","2","2","5","1") = "8"
    & skf18("1","5","9","2","2","6","1") = "8"
    & skf18("1","5","9","2","2","7","1") = "8"
    & skf18("1","5","9","2","2","8","1") = "8"
    & skf18("1","5","9","2","2","9","1") = "8"
    & skf18("1","5","9","2","2","10","1") = "9"
    & skf18("1","5","9","2","3","1","1") = "8"
    & skf18("1","5","9","2","3","2","1") = "8"
    & skf18("1","5","9","2","3","3","1") = "8"
    & skf18("1","5","9","2","3","4","1") = "8"
    & skf18("1","5","9","2","3","5","1") = "8"
    & skf18("1","5","9","2","3","6","1") = "8"
    & skf18("1","5","9","2","3","7","1") = "8"
    & skf18("1","5","9","2","3","8","1") = "8"
    & skf18("1","5","9","2","3","9","1") = "8"
    & skf18("1","5","9","2","3","10","1") = "9"
    & skf18("1","5","9","2","4","1","1") = "8"
    & skf18("1","5","9","2","4","2","1") = "8"
    & skf18("1","5","9","2","4","3","1") = "8"
    & skf18("1","5","9","2","4","4","1") = "8"
    & skf18("1","5","9","2","4","5","1") = "8"
    & skf18("1","5","9","2","4","6","1") = "8"
    & skf18("1","5","9","2","4","7","1") = "8"
    & skf18("1","5","9","2","4","8","1") = "8"
    & skf18("1","5","9","2","4","9","1") = "8"
    & skf18("1","5","9","2","4","10","1") = "9"
    & skf18("1","5","9","2","5","1","1") = "8"
    & skf18("1","5","9","2","5","2","1") = "8"
    & skf18("1","5","9","2","5","3","1") = "8"
    & skf18("1","5","9","2","5","4","1") = "8"
    & skf18("1","5","9","2","5","5","1") = "8"
    & skf18("1","5","9","2","5","6","1") = "8"
    & skf18("1","5","9","2","5","7","1") = "8"
    & skf18("1","5","9","2","5","8","1") = "8"
    & skf18("1","5","9","2","5","9","1") = "8"
    & skf18("1","5","9","2","5","10","1") = "9"
    & skf18("1","5","9","2","6","1","1") = "8"
    & skf18("1","5","9","2","6","2","1") = "8"
    & skf18("1","5","9","2","6","3","1") = "8"
    & skf18("1","5","9","2","6","4","1") = "8"
    & skf18("1","5","9","2","6","5","1") = "8"
    & skf18("1","5","9","2","6","6","1") = "8"
    & skf18("1","5","9","2","6","7","1") = "8"
    & skf18("1","5","9","2","6","8","1") = "8"
    & skf18("1","5","9","2","6","9","1") = "8"
    & skf18("1","5","9","2","6","10","1") = "9"
    & skf18("1","5","9","2","7","1","1") = "8"
    & skf18("1","5","9","2","7","2","1") = "8"
    & skf18("1","5","9","2","7","3","1") = "8"
    & skf18("1","5","9","2","7","4","1") = "8"
    & skf18("1","5","9","2","7","5","1") = "8"
    & skf18("1","5","9","2","7","6","1") = "8"
    & skf18("1","5","9","2","7","7","1") = "8"
    & skf18("1","5","9","2","7","8","1") = "8"
    & skf18("1","5","9","2","7","9","1") = "8"
    & skf18("1","5","9","2","7","10","1") = "9"
    & skf18("1","5","9","2","8","1","1") = "8"
    & skf18("1","5","9","2","8","2","1") = "8"
    & skf18("1","5","9","2","8","3","1") = "8"
    & skf18("1","5","9","2","8","4","1") = "8"
    & skf18("1","5","9","2","8","5","1") = "8"
    & skf18("1","5","9","2","8","6","1") = "8"
    & skf18("1","5","9","2","8","7","1") = "8"
    & skf18("1","5","9","2","8","8","1") = "8"
    & skf18("1","5","9","2","8","9","1") = "8"
    & skf18("1","5","9","2","8","10","1") = "9"
    & skf18("1","5","9","2","9","1","1") = "8"
    & skf18("1","5","9","2","9","2","1") = "8"
    & skf18("1","5","9","2","9","3","1") = "8"
    & skf18("1","5","9","2","9","4","1") = "8"
    & skf18("1","5","9","2","9","5","1") = "8"
    & skf18("1","5","9","2","9","6","1") = "8"
    & skf18("1","5","9","2","9","7","1") = "8"
    & skf18("1","5","9","2","9","8","1") = "8"
    & skf18("1","5","9","2","9","9","1") = "8"
    & skf18("1","5","9","2","9","10","1") = "9"
    & skf18("1","5","9","2","10","1","1") = "9"
    & skf18("1","5","9","2","10","2","1") = "9"
    & skf18("1","5","9","2","10","3","1") = "9"
    & skf18("1","5","9","2","10","4","1") = "9"
    & skf18("1","5","9","2","10","5","1") = "9"
    & skf18("1","5","9","2","10","6","1") = "9"
    & skf18("1","5","9","2","10","7","1") = "9"
    & skf18("1","5","9","2","10","8","1") = "9"
    & skf18("1","5","9","2","10","9","1") = "9"
    & skf18("1","5","9","2","10","10","1") = "9"
    & skf18("1","5","9","3","1","1","1") = "8"
    & skf18("1","5","9","3","1","2","1") = "8"
    & skf18("1","5","9","3","1","3","1") = "8"
    & skf18("1","5","9","3","1","4","1") = "8"
    & skf18("1","5","9","3","1","5","1") = "8"
    & skf18("1","5","9","3","1","6","1") = "8"
    & skf18("1","5","9","3","1","7","1") = "8"
    & skf18("1","5","9","3","1","8","1") = "8"
    & skf18("1","5","9","3","1","9","1") = "8"
    & skf18("1","5","9","3","1","10","1") = "9"
    & skf18("1","5","9","3","2","1","1") = "8"
    & skf18("1","5","9","3","2","2","1") = "8"
    & skf18("1","5","9","3","2","3","1") = "8"
    & skf18("1","5","9","3","2","4","1") = "8"
    & skf18("1","5","9","3","2","5","1") = "8"
    & skf18("1","5","9","3","2","6","1") = "8"
    & skf18("1","5","9","3","2","7","1") = "8"
    & skf18("1","5","9","3","2","8","1") = "8"
    & skf18("1","5","9","3","2","9","1") = "8"
    & skf18("1","5","9","3","2","10","1") = "9"
    & skf18("1","5","9","3","3","1","1") = "8"
    & skf18("1","5","9","3","3","2","1") = "8"
    & skf18("1","5","9","3","3","3","1") = "8"
    & skf18("1","5","9","3","3","4","1") = "8"
    & skf18("1","5","9","3","3","5","1") = "8"
    & skf18("1","5","9","3","3","6","1") = "8"
    & skf18("1","5","9","3","3","7","1") = "8"
    & skf18("1","5","9","3","3","8","1") = "8"
    & skf18("1","5","9","3","3","9","1") = "8"
    & skf18("1","5","9","3","3","10","1") = "9"
    & skf18("1","5","9","3","4","1","1") = "8"
    & skf18("1","5","9","3","4","2","1") = "8"
    & skf18("1","5","9","3","4","3","1") = "8"
    & skf18("1","5","9","3","4","4","1") = "8"
    & skf18("1","5","9","3","4","5","1") = "8"
    & skf18("1","5","9","3","4","6","1") = "8"
    & skf18("1","5","9","3","4","7","1") = "8"
    & skf18("1","5","9","3","4","8","1") = "8"
    & skf18("1","5","9","3","4","9","1") = "8"
    & skf18("1","5","9","3","4","10","1") = "9"
    & skf18("1","5","9","3","5","1","1") = "8"
    & skf18("1","5","9","3","5","2","1") = "8"
    & skf18("1","5","9","3","5","3","1") = "8"
    & skf18("1","5","9","3","5","4","1") = "8"
    & skf18("1","5","9","3","5","5","1") = "8"
    & skf18("1","5","9","3","5","6","1") = "8"
    & skf18("1","5","9","3","5","7","1") = "8"
    & skf18("1","5","9","3","5","8","1") = "8"
    & skf18("1","5","9","3","5","9","1") = "8"
    & skf18("1","5","9","3","5","10","1") = "9"
    & skf18("1","5","9","3","6","1","1") = "8"
    & skf18("1","5","9","3","6","2","1") = "8"
    & skf18("1","5","9","3","6","3","1") = "8"
    & skf18("1","5","9","3","6","4","1") = "8"
    & skf18("1","5","9","3","6","5","1") = "8"
    & skf18("1","5","9","3","6","6","1") = "8"
    & skf18("1","5","9","3","6","7","1") = "8"
    & skf18("1","5","9","3","6","8","1") = "8"
    & skf18("1","5","9","3","6","9","1") = "8"
    & skf18("1","5","9","3","6","10","1") = "9"
    & skf18("1","5","9","3","7","1","1") = "8"
    & skf18("1","5","9","3","7","2","1") = "8"
    & skf18("1","5","9","3","7","3","1") = "8"
    & skf18("1","5","9","3","7","4","1") = "8"
    & skf18("1","5","9","3","7","5","1") = "8"
    & skf18("1","5","9","3","7","6","1") = "8"
    & skf18("1","5","9","3","7","7","1") = "8"
    & skf18("1","5","9","3","7","8","1") = "8"
    & skf18("1","5","9","3","7","9","1") = "8"
    & skf18("1","5","9","3","7","10","1") = "9"
    & skf18("1","5","9","3","8","1","1") = "8"
    & skf18("1","5","9","3","8","2","1") = "8"
    & skf18("1","5","9","3","8","3","1") = "8"
    & skf18("1","5","9","3","8","4","1") = "8"
    & skf18("1","5","9","3","8","5","1") = "8"
    & skf18("1","5","9","3","8","6","1") = "8"
    & skf18("1","5","9","3","8","7","1") = "8"
    & skf18("1","5","9","3","8","8","1") = "8"
    & skf18("1","5","9","3","8","9","1") = "8"
    & skf18("1","5","9","3","8","10","1") = "9"
    & skf18("1","5","9","3","9","1","1") = "8"
    & skf18("1","5","9","3","9","2","1") = "8"
    & skf18("1","5","9","3","9","3","1") = "8"
    & skf18("1","5","9","3","9","4","1") = "8"
    & skf18("1","5","9","3","9","5","1") = "8"
    & skf18("1","5","9","3","9","6","1") = "8"
    & skf18("1","5","9","3","9","7","1") = "8"
    & skf18("1","5","9","3","9","8","1") = "8"
    & skf18("1","5","9","3","9","9","1") = "8"
    & skf18("1","5","9","3","9","10","1") = "9"
    & skf18("1","5","9","3","10","1","1") = "9"
    & skf18("1","5","9","3","10","2","1") = "9"
    & skf18("1","5","9","3","10","3","1") = "9"
    & skf18("1","5","9","3","10","4","1") = "9"
    & skf18("1","5","9","3","10","5","1") = "9"
    & skf18("1","5","9","3","10","6","1") = "9"
    & skf18("1","5","9","3","10","7","1") = "9"
    & skf18("1","5","9","3","10","8","1") = "9"
    & skf18("1","5","9","3","10","9","1") = "9"
    & skf18("1","5","9","3","10","10","1") = "9"
    & skf18("1","5","9","4","1","1","1") = "8"
    & skf18("1","5","9","4","1","2","1") = "8"
    & skf18("1","5","9","4","1","3","1") = "8"
    & skf18("1","5","9","4","1","4","1") = "8"
    & skf18("1","5","9","4","1","5","1") = "8"
    & skf18("1","5","9","4","1","6","1") = "8"
    & skf18("1","5","9","4","1","7","1") = "8"
    & skf18("1","5","9","4","1","8","1") = "8"
    & skf18("1","5","9","4","1","9","1") = "8"
    & skf18("1","5","9","4","1","10","1") = "9"
    & skf18("1","5","9","4","2","1","1") = "8"
    & skf18("1","5","9","4","2","2","1") = "8"
    & skf18("1","5","9","4","2","3","1") = "8"
    & skf18("1","5","9","4","2","4","1") = "8"
    & skf18("1","5","9","4","2","5","1") = "8"
    & skf18("1","5","9","4","2","6","1") = "8"
    & skf18("1","5","9","4","2","7","1") = "8"
    & skf18("1","5","9","4","2","8","1") = "8"
    & skf18("1","5","9","4","2","9","1") = "8"
    & skf18("1","5","9","4","2","10","1") = "9"
    & skf18("1","5","9","4","3","1","1") = "8"
    & skf18("1","5","9","4","3","2","1") = "8"
    & skf18("1","5","9","4","3","3","1") = "8"
    & skf18("1","5","9","4","3","4","1") = "8"
    & skf18("1","5","9","4","3","5","1") = "8"
    & skf18("1","5","9","4","3","6","1") = "7"
    & skf18("1","5","9","4","3","7","1") = "8"
    & skf18("1","5","9","4","3","8","1") = "8"
    & skf18("1","5","9","4","3","9","1") = "7"
    & skf18("1","5","9","4","3","10","1") = "9"
    & skf18("1","5","9","4","4","1","1") = "8"
    & skf18("1","5","9","4","4","2","1") = "8"
    & skf18("1","5","9","4","4","3","1") = "8"
    & skf18("1","5","9","4","4","4","1") = "8"
    & skf18("1","5","9","4","4","5","1") = "8"
    & skf18("1","5","9","4","4","6","1") = "8"
    & skf18("1","5","9","4","4","7","1") = "8"
    & skf18("1","5","9","4","4","8","1") = "8"
    & skf18("1","5","9","4","4","9","1") = "8"
    & skf18("1","5","9","4","4","10","1") = "9"
    & skf18("1","5","9","4","5","1","1") = "8"
    & skf18("1","5","9","4","5","2","1") = "8"
    & skf18("1","5","9","4","5","3","1") = "8"
    & skf18("1","5","9","4","5","4","1") = "8"
    & skf18("1","5","9","4","5","5","1") = "8"
    & skf18("1","5","9","4","5","6","1") = "8"
    & skf18("1","5","9","4","5","7","1") = "8"
    & skf18("1","5","9","4","5","8","1") = "8"
    & skf18("1","5","9","4","5","9","1") = "8"
    & skf18("1","5","9","4","5","10","1") = "9"
    & skf18("1","5","9","4","6","1","1") = "8"
    & skf18("1","5","9","4","6","2","1") = "8"
    & skf18("1","5","9","4","6","3","1") = "8"
    & skf18("1","5","9","4","6","4","1") = "8"
    & skf18("1","5","9","4","6","5","1") = "8"
    & skf18("1","5","9","4","6","6","1") = "8"
    & skf18("1","5","9","4","6","7","1") = "8"
    & skf18("1","5","9","4","6","8","1") = "8"
    & skf18("1","5","9","4","6","9","1") = "8"
    & skf18("1","5","9","4","6","10","1") = "9"
    & skf18("1","5","9","4","7","1","1") = "8"
    & skf18("1","5","9","4","7","2","1") = "8"
    & skf18("1","5","9","4","7","3","1") = "8"
    & skf18("1","5","9","4","7","4","1") = "8"
    & skf18("1","5","9","4","7","5","1") = "8"
    & skf18("1","5","9","4","7","6","1") = "8"
    & skf18("1","5","9","4","7","7","1") = "8"
    & skf18("1","5","9","4","7","8","1") = "8"
    & skf18("1","5","9","4","7","9","1") = "8"
    & skf18("1","5","9","4","7","10","1") = "9"
    & skf18("1","5","9","4","8","1","1") = "8"
    & skf18("1","5","9","4","8","2","1") = "8"
    & skf18("1","5","9","4","8","3","1") = "8"
    & skf18("1","5","9","4","8","4","1") = "8"
    & skf18("1","5","9","4","8","5","1") = "8"
    & skf18("1","5","9","4","8","6","1") = "8"
    & skf18("1","5","9","4","8","7","1") = "8"
    & skf18("1","5","9","4","8","8","1") = "8"
    & skf18("1","5","9","4","8","9","1") = "8"
    & skf18("1","5","9","4","8","10","1") = "9"
    & skf18("1","5","9","4","9","1","1") = "8"
    & skf18("1","5","9","4","9","2","1") = "8"
    & skf18("1","5","9","4","9","3","1") = "8"
    & skf18("1","5","9","4","9","4","1") = "8"
    & skf18("1","5","9","4","9","5","1") = "8"
    & skf18("1","5","9","4","9","6","1") = "8"
    & skf18("1","5","9","4","9","7","1") = "8"
    & skf18("1","5","9","4","9","8","1") = "8"
    & skf18("1","5","9","4","9","9","1") = "8"
    & skf18("1","5","9","4","9","10","1") = "9"
    & skf18("1","5","9","4","10","1","1") = "9"
    & skf18("1","5","9","4","10","2","1") = "9"
    & skf18("1","5","9","4","10","3","1") = "9"
    & skf18("1","5","9","4","10","4","1") = "9"
    & skf18("1","5","9","4","10","5","1") = "9"
    & skf18("1","5","9","4","10","6","1") = "9"
    & skf18("1","5","9","4","10","7","1") = "9"
    & skf18("1","5","9","4","10","8","1") = "9"
    & skf18("1","5","9","4","10","9","1") = "9"
    & skf18("1","5","9","4","10","10","1") = "9"
    & skf18("1","5","9","5","1","1","1") = "8"
    & skf18("1","5","9","5","1","2","1") = "8"
    & skf18("1","5","9","5","1","3","1") = "8"
    & skf18("1","5","9","5","1","4","1") = "8"
    & skf18("1","5","9","5","1","5","1") = "8"
    & skf18("1","5","9","5","1","6","1") = "8"
    & skf18("1","5","9","5","1","7","1") = "8"
    & skf18("1","5","9","5","1","8","1") = "8"
    & skf18("1","5","9","5","1","9","1") = "8"
    & skf18("1","5","9","5","1","10","1") = "9"
    & skf18("1","5","9","5","2","1","1") = "8"
    & skf18("1","5","9","5","2","2","1") = "8"
    & skf18("1","5","9","5","2","3","1") = "8"
    & skf18("1","5","9","5","2","4","1") = "8"
    & skf18("1","5","9","5","2","5","1") = "8"
    & skf18("1","5","9","5","2","6","1") = "8"
    & skf18("1","5","9","5","2","7","1") = "8"
    & skf18("1","5","9","5","2","8","1") = "8"
    & skf18("1","5","9","5","2","9","1") = "8"
    & skf18("1","5","9","5","2","10","1") = "9"
    & skf18("1","5","9","5","3","1","1") = "8"
    & skf18("1","5","9","5","3","2","1") = "8"
    & skf18("1","5","9","5","3","3","1") = "8"
    & skf18("1","5","9","5","3","4","1") = "8"
    & skf18("1","5","9","5","3","5","1") = "8"
    & skf18("1","5","9","5","3","6","1") = "8"
    & skf18("1","5","9","5","3","7","1") = "8"
    & skf18("1","5","9","5","3","8","1") = "8"
    & skf18("1","5","9","5","3","9","1") = "8"
    & skf18("1","5","9","5","3","10","1") = "9"
    & skf18("1","5","9","5","4","1","1") = "8"
    & skf18("1","5","9","5","4","2","1") = "8"
    & skf18("1","5","9","5","4","3","1") = "8"
    & skf18("1","5","9","5","4","4","1") = "8"
    & skf18("1","5","9","5","4","5","1") = "8"
    & skf18("1","5","9","5","4","6","1") = "8"
    & skf18("1","5","9","5","4","7","1") = "8"
    & skf18("1","5","9","5","4","8","1") = "8"
    & skf18("1","5","9","5","4","9","1") = "8"
    & skf18("1","5","9","5","4","10","1") = "9"
    & skf18("1","5","9","5","5","1","1") = "8"
    & skf18("1","5","9","5","5","2","1") = "8"
    & skf18("1","5","9","5","5","3","1") = "8"
    & skf18("1","5","9","5","5","4","1") = "8"
    & skf18("1","5","9","5","5","5","1") = "8"
    & skf18("1","5","9","5","5","6","1") = "8"
    & skf18("1","5","9","5","5","7","1") = "8"
    & skf18("1","5","9","5","5","8","1") = "8"
    & skf18("1","5","9","5","5","9","1") = "8"
    & skf18("1","5","9","5","5","10","1") = "9"
    & skf18("1","5","9","5","6","1","1") = "8"
    & skf18("1","5","9","5","6","2","1") = "8"
    & skf18("1","5","9","5","6","3","1") = "8"
    & skf18("1","5","9","5","6","4","1") = "8"
    & skf18("1","5","9","5","6","5","1") = "8"
    & skf18("1","5","9","5","6","6","1") = "8"
    & skf18("1","5","9","5","6","7","1") = "8"
    & skf18("1","5","9","5","6","8","1") = "8"
    & skf18("1","5","9","5","6","9","1") = "8"
    & skf18("1","5","9","5","6","10","1") = "9"
    & skf18("1","5","9","5","7","1","1") = "8"
    & skf18("1","5","9","5","7","2","1") = "8"
    & skf18("1","5","9","5","7","3","1") = "8"
    & skf18("1","5","9","5","7","4","1") = "8"
    & skf18("1","5","9","5","7","5","1") = "8"
    & skf18("1","5","9","5","7","6","1") = "8"
    & skf18("1","5","9","5","7","7","1") = "8"
    & skf18("1","5","9","5","7","8","1") = "8"
    & skf18("1","5","9","5","7","9","1") = "8"
    & skf18("1","5","9","5","7","10","1") = "9"
    & skf18("1","5","9","5","8","1","1") = "8"
    & skf18("1","5","9","5","8","2","1") = "8"
    & skf18("1","5","9","5","8","3","1") = "8"
    & skf18("1","5","9","5","8","4","1") = "8"
    & skf18("1","5","9","5","8","5","1") = "8"
    & skf18("1","5","9","5","8","6","1") = "8"
    & skf18("1","5","9","5","8","7","1") = "8"
    & skf18("1","5","9","5","8","8","1") = "8"
    & skf18("1","5","9","5","8","9","1") = "8"
    & skf18("1","5","9","5","8","10","1") = "9"
    & skf18("1","5","9","5","9","1","1") = "8"
    & skf18("1","5","9","5","9","2","1") = "8"
    & skf18("1","5","9","5","9","3","1") = "8"
    & skf18("1","5","9","5","9","4","1") = "8"
    & skf18("1","5","9","5","9","5","1") = "8"
    & skf18("1","5","9","5","9","6","1") = "8"
    & skf18("1","5","9","5","9","7","1") = "8"
    & skf18("1","5","9","5","9","8","1") = "8"
    & skf18("1","5","9","5","9","9","1") = "8"
    & skf18("1","5","9","5","9","10","1") = "9"
    & skf18("1","5","9","5","10","1","1") = "9"
    & skf18("1","5","9","5","10","2","1") = "9"
    & skf18("1","5","9","5","10","3","1") = "9"
    & skf18("1","5","9","5","10","4","1") = "9"
    & skf18("1","5","9","5","10","5","1") = "9"
    & skf18("1","5","9","5","10","6","1") = "9"
    & skf18("1","5","9","5","10","7","1") = "9"
    & skf18("1","5","9","5","10","8","1") = "9"
    & skf18("1","5","9","5","10","9","1") = "9"
    & skf18("1","5","9","5","10","10","1") = "9"
    & skf18("1","5","9","6","1","1","1") = "8"
    & skf18("1","5","9","6","1","2","1") = "8"
    & skf18("1","5","9","6","1","3","1") = "8"
    & skf18("1","5","9","6","1","4","1") = "8"
    & skf18("1","5","9","6","1","5","1") = "8"
    & skf18("1","5","9","6","1","6","1") = "8"
    & skf18("1","5","9","6","1","7","1") = "8"
    & skf18("1","5","9","6","1","8","1") = "8"
    & skf18("1","5","9","6","1","9","1") = "8"
    & skf18("1","5","9","6","1","10","1") = "9"
    & skf18("1","5","9","6","2","1","1") = "8"
    & skf18("1","5","9","6","2","2","1") = "8"
    & skf18("1","5","9","6","2","3","1") = "8"
    & skf18("1","5","9","6","2","4","1") = "8"
    & skf18("1","5","9","6","2","5","1") = "8"
    & skf18("1","5","9","6","2","6","1") = "8"
    & skf18("1","5","9","6","2","7","1") = "8"
    & skf18("1","5","9","6","2","8","1") = "8"
    & skf18("1","5","9","6","2","9","1") = "8"
    & skf18("1","5","9","6","2","10","1") = "9"
    & skf18("1","5","9","6","3","1","1") = "8"
    & skf18("1","5","9","6","3","2","1") = "8"
    & skf18("1","5","9","6","3","3","1") = "8"
    & skf18("1","5","9","6","3","4","1") = "8"
    & skf18("1","5","9","6","3","5","1") = "8"
    & skf18("1","5","9","6","3","6","1") = "8"
    & skf18("1","5","9","6","3","7","1") = "8"
    & skf18("1","5","9","6","3","8","1") = "8"
    & skf18("1","5","9","6","3","9","1") = "8"
    & skf18("1","5","9","6","3","10","1") = "9"
    & skf18("1","5","9","6","4","1","1") = "8"
    & skf18("1","5","9","6","4","2","1") = "8"
    & skf18("1","5","9","6","4","3","1") = "8"
    & skf18("1","5","9","6","4","4","1") = "8"
    & skf18("1","5","9","6","4","5","1") = "8"
    & skf18("1","5","9","6","4","6","1") = "8"
    & skf18("1","5","9","6","4","7","1") = "8"
    & skf18("1","5","9","6","4","8","1") = "8"
    & skf18("1","5","9","6","4","9","1") = "8"
    & skf18("1","5","9","6","4","10","1") = "9"
    & skf18("1","5","9","6","5","1","1") = "8"
    & skf18("1","5","9","6","5","2","1") = "8"
    & skf18("1","5","9","6","5","3","1") = "8"
    & skf18("1","5","9","6","5","4","1") = "8"
    & skf18("1","5","9","6","5","5","1") = "8"
    & skf18("1","5","9","6","5","6","1") = "8"
    & skf18("1","5","9","6","5","7","1") = "8"
    & skf18("1","5","9","6","5","8","1") = "8"
    & skf18("1","5","9","6","5","9","1") = "8"
    & skf18("1","5","9","6","5","10","1") = "9"
    & skf18("1","5","9","6","6","1","1") = "8"
    & skf18("1","5","9","6","6","2","1") = "8"
    & skf18("1","5","9","6","6","3","1") = "8"
    & skf18("1","5","9","6","6","4","1") = "8"
    & skf18("1","5","9","6","6","5","1") = "8"
    & skf18("1","5","9","6","6","6","1") = "8"
    & skf18("1","5","9","6","6","7","1") = "8"
    & skf18("1","5","9","6","6","8","1") = "8"
    & skf18("1","5","9","6","6","9","1") = "8"
    & skf18("1","5","9","6","6","10","1") = "9"
    & skf18("1","5","9","6","7","1","1") = "8"
    & skf18("1","5","9","6","7","2","1") = "8"
    & skf18("1","5","9","6","7","3","1") = "8"
    & skf18("1","5","9","6","7","4","1") = "8"
    & skf18("1","5","9","6","7","5","1") = "8"
    & skf18("1","5","9","6","7","6","1") = "8"
    & skf18("1","5","9","6","7","7","1") = "8"
    & skf18("1","5","9","6","7","8","1") = "8"
    & skf18("1","5","9","6","7","9","1") = "8"
    & skf18("1","5","9","6","7","10","1") = "9"
    & skf18("1","5","9","6","8","1","1") = "8"
    & skf18("1","5","9","6","8","2","1") = "8"
    & skf18("1","5","9","6","8","3","1") = "8"
    & skf18("1","5","9","6","8","4","1") = "8"
    & skf18("1","5","9","6","8","5","1") = "8"
    & skf18("1","5","9","6","8","6","1") = "8"
    & skf18("1","5","9","6","8","7","1") = "8"
    & skf18("1","5","9","6","8","8","1") = "8"
    & skf18("1","5","9","6","8","9","1") = "8"
    & skf18("1","5","9","6","8","10","1") = "9"
    & skf18("1","5","9","6","9","1","1") = "8"
    & skf18("1","5","9","6","9","2","1") = "8"
    & skf18("1","5","9","6","9","3","1") = "8"
    & skf18("1","5","9","6","9","4","1") = "8"
    & skf18("1","5","9","6","9","5","1") = "8"
    & skf18("1","5","9","6","9","6","1") = "8"
    & skf18("1","5","9","6","9","7","1") = "8"
    & skf18("1","5","9","6","9","8","1") = "8"
    & skf18("1","5","9","6","9","9","1") = "8"
    & skf18("1","5","9","6","9","10","1") = "9"
    & skf18("1","5","9","6","10","1","1") = "9"
    & skf18("1","5","9","6","10","2","1") = "9"
    & skf18("1","5","9","6","10","3","1") = "9"
    & skf18("1","5","9","6","10","4","1") = "9"
    & skf18("1","5","9","6","10","5","1") = "9"
    & skf18("1","5","9","6","10","6","1") = "9"
    & skf18("1","5","9","6","10","7","1") = "9"
    & skf18("1","5","9","6","10","8","1") = "9"
    & skf18("1","5","9","6","10","9","1") = "9"
    & skf18("1","5","9","6","10","10","1") = "9"
    & skf18("1","5","9","7","1","1","1") = "8"
    & skf18("1","5","9","7","1","2","1") = "8"
    & skf18("1","5","9","7","1","3","1") = "8"
    & skf18("1","5","9","7","1","4","1") = "8"
    & skf18("1","5","9","7","1","5","1") = "8"
    & skf18("1","5","9","7","1","6","1") = "8"
    & skf18("1","5","9","7","1","7","1") = "8"
    & skf18("1","5","9","7","1","8","1") = "8"
    & skf18("1","5","9","7","1","9","1") = "8"
    & skf18("1","5","9","7","1","10","1") = "9"
    & skf18("1","5","9","7","2","1","1") = "8"
    & skf18("1","5","9","7","2","2","1") = "8"
    & skf18("1","5","9","7","2","3","1") = "8"
    & skf18("1","5","9","7","2","4","1") = "8"
    & skf18("1","5","9","7","2","5","1") = "8"
    & skf18("1","5","9","7","2","6","1") = "8"
    & skf18("1","5","9","7","2","7","1") = "8"
    & skf18("1","5","9","7","2","8","1") = "8"
    & skf18("1","5","9","7","2","9","1") = "8"
    & skf18("1","5","9","7","2","10","1") = "9"
    & skf18("1","5","9","7","3","1","1") = "8"
    & skf18("1","5","9","7","3","2","1") = "8"
    & skf18("1","5","9","7","3","3","1") = "8"
    & skf18("1","5","9","7","3","4","1") = "8"
    & skf18("1","5","9","7","3","5","1") = "8"
    & skf18("1","5","9","7","3","6","1") = "8"
    & skf18("1","5","9","7","3","7","1") = "8"
    & skf18("1","5","9","7","3","8","1") = "8"
    & skf18("1","5","9","7","3","9","1") = "8"
    & skf18("1","5","9","7","3","10","1") = "9"
    & skf18("1","5","9","7","4","1","1") = "8"
    & skf18("1","5","9","7","4","2","1") = "8"
    & skf18("1","5","9","7","4","3","1") = "8"
    & skf18("1","5","9","7","4","4","1") = "8"
    & skf18("1","5","9","7","4","5","1") = "8"
    & skf18("1","5","9","7","4","6","1") = "8"
    & skf18("1","5","9","7","4","7","1") = "8"
    & skf18("1","5","9","7","4","8","1") = "8"
    & skf18("1","5","9","7","4","9","1") = "8"
    & skf18("1","5","9","7","4","10","1") = "9"
    & skf18("1","5","9","7","5","1","1") = "8"
    & skf18("1","5","9","7","5","2","1") = "8"
    & skf18("1","5","9","7","5","3","1") = "8"
    & skf18("1","5","9","7","5","4","1") = "8"
    & skf18("1","5","9","7","5","5","1") = "8"
    & skf18("1","5","9","7","5","6","1") = "8"
    & skf18("1","5","9","7","5","7","1") = "8"
    & skf18("1","5","9","7","5","8","1") = "8"
    & skf18("1","5","9","7","5","9","1") = "8"
    & skf18("1","5","9","7","5","10","1") = "9"
    & skf18("1","5","9","7","6","1","1") = "8"
    & skf18("1","5","9","7","6","2","1") = "8"
    & skf18("1","5","9","7","6","3","1") = "8"
    & skf18("1","5","9","7","6","4","1") = "8"
    & skf18("1","5","9","7","6","5","1") = "8"
    & skf18("1","5","9","7","6","6","1") = "8"
    & skf18("1","5","9","7","6","7","1") = "8"
    & skf18("1","5","9","7","6","8","1") = "8"
    & skf18("1","5","9","7","6","9","1") = "8"
    & skf18("1","5","9","7","6","10","1") = "9"
    & skf18("1","5","9","7","7","1","1") = "8"
    & skf18("1","5","9","7","7","2","1") = "8"
    & skf18("1","5","9","7","7","3","1") = "8"
    & skf18("1","5","9","7","7","4","1") = "8"
    & skf18("1","5","9","7","7","5","1") = "8"
    & skf18("1","5","9","7","7","6","1") = "8"
    & skf18("1","5","9","7","7","7","1") = "8"
    & skf18("1","5","9","7","7","8","1") = "8"
    & skf18("1","5","9","7","7","9","1") = "8"
    & skf18("1","5","9","7","7","10","1") = "9"
    & skf18("1","5","9","7","8","1","1") = "8"
    & skf18("1","5","9","7","8","2","1") = "8"
    & skf18("1","5","9","7","8","3","1") = "8"
    & skf18("1","5","9","7","8","4","1") = "8"
    & skf18("1","5","9","7","8","5","1") = "8"
    & skf18("1","5","9","7","8","6","1") = "8"
    & skf18("1","5","9","7","8","7","1") = "8"
    & skf18("1","5","9","7","8","8","1") = "8"
    & skf18("1","5","9","7","8","9","1") = "8"
    & skf18("1","5","9","7","8","10","1") = "9"
    & skf18("1","5","9","7","9","1","1") = "8"
    & skf18("1","5","9","7","9","2","1") = "8"
    & skf18("1","5","9","7","9","3","1") = "8"
    & skf18("1","5","9","7","9","4","1") = "8"
    & skf18("1","5","9","7","9","5","1") = "8"
    & skf18("1","5","9","7","9","6","1") = "8"
    & skf18("1","5","9","7","9","7","1") = "8"
    & skf18("1","5","9","7","9","8","1") = "8"
    & skf18("1","5","9","7","9","9","1") = "8"
    & skf18("1","5","9","7","9","10","1") = "9"
    & skf18("1","5","9","7","10","1","1") = "9"
    & skf18("1","5","9","7","10","2","1") = "9"
    & skf18("1","5","9","7","10","3","1") = "9"
    & skf18("1","5","9","7","10","4","1") = "9"
    & skf18("1","5","9","7","10","5","1") = "9"
    & skf18("1","5","9","7","10","6","1") = "9"
    & skf18("1","5","9","7","10","7","1") = "9"
    & skf18("1","5","9","7","10","8","1") = "9"
    & skf18("1","5","9","7","10","9","1") = "9"
    & skf18("1","5","9","7","10","10","1") = "9"
    & skf18("1","5","9","8","1","1","1") = "8"
    & skf18("1","5","9","8","1","2","1") = "8"
    & skf18("1","5","9","8","1","3","1") = "8"
    & skf18("1","5","9","8","1","4","1") = "8"
    & skf18("1","5","9","8","1","5","1") = "8"
    & skf18("1","5","9","8","1","6","1") = "8"
    & skf18("1","5","9","8","1","7","1") = "8"
    & skf18("1","5","9","8","1","8","1") = "8"
    & skf18("1","5","9","8","1","9","1") = "8"
    & skf18("1","5","9","8","1","10","1") = "9"
    & skf18("1","5","9","8","2","1","1") = "8"
    & skf18("1","5","9","8","2","2","1") = "8"
    & skf18("1","5","9","8","2","3","1") = "8"
    & skf18("1","5","9","8","2","4","1") = "8"
    & skf18("1","5","9","8","2","5","1") = "8"
    & skf18("1","5","9","8","2","6","1") = "8"
    & skf18("1","5","9","8","2","7","1") = "8"
    & skf18("1","5","9","8","2","8","1") = "8"
    & skf18("1","5","9","8","2","9","1") = "8"
    & skf18("1","5","9","8","2","10","1") = "9"
    & skf18("1","5","9","8","3","1","1") = "8"
    & skf18("1","5","9","8","3","2","1") = "8"
    & skf18("1","5","9","8","3","3","1") = "8"
    & skf18("1","5","9","8","3","4","1") = "8"
    & skf18("1","5","9","8","3","5","1") = "8"
    & skf18("1","5","9","8","3","6","1") = "8"
    & skf18("1","5","9","8","3","7","1") = "8"
    & skf18("1","5","9","8","3","8","1") = "8"
    & skf18("1","5","9","8","3","9","1") = "8"
    & skf18("1","5","9","8","3","10","1") = "9"
    & skf18("1","5","9","8","4","1","1") = "8"
    & skf18("1","5","9","8","4","2","1") = "8"
    & skf18("1","5","9","8","4","3","1") = "8"
    & skf18("1","5","9","8","4","4","1") = "8"
    & skf18("1","5","9","8","4","5","1") = "8"
    & skf18("1","5","9","8","4","6","1") = "8"
    & skf18("1","5","9","8","4","7","1") = "8"
    & skf18("1","5","9","8","4","8","1") = "8"
    & skf18("1","5","9","8","4","9","1") = "8"
    & skf18("1","5","9","8","4","10","1") = "9"
    & skf18("1","5","9","8","5","1","1") = "8"
    & skf18("1","5","9","8","5","2","1") = "8"
    & skf18("1","5","9","8","5","3","1") = "8"
    & skf18("1","5","9","8","5","4","1") = "8"
    & skf18("1","5","9","8","5","5","1") = "8"
    & skf18("1","5","9","8","5","6","1") = "8"
    & skf18("1","5","9","8","5","7","1") = "8"
    & skf18("1","5","9","8","5","8","1") = "8"
    & skf18("1","5","9","8","5","9","1") = "8"
    & skf18("1","5","9","8","5","10","1") = "9"
    & skf18("1","5","9","8","6","1","1") = "8"
    & skf18("1","5","9","8","6","2","1") = "8"
    & skf18("1","5","9","8","6","3","1") = "8"
    & skf18("1","5","9","8","6","4","1") = "8"
    & skf18("1","5","9","8","6","5","1") = "8"
    & skf18("1","5","9","8","6","6","1") = "8"
    & skf18("1","5","9","8","6","7","1") = "8"
    & skf18("1","5","9","8","6","8","1") = "8"
    & skf18("1","5","9","8","6","9","1") = "8"
    & skf18("1","5","9","8","6","10","1") = "9"
    & skf18("1","5","9","8","7","1","1") = "8"
    & skf18("1","5","9","8","7","2","1") = "8"
    & skf18("1","5","9","8","7","3","1") = "8"
    & skf18("1","5","9","8","7","4","1") = "8"
    & skf18("1","5","9","8","7","5","1") = "8"
    & skf18("1","5","9","8","7","6","1") = "8"
    & skf18("1","5","9","8","7","7","1") = "8"
    & skf18("1","5","9","8","7","8","1") = "8"
    & skf18("1","5","9","8","7","9","1") = "8"
    & skf18("1","5","9","8","7","10","1") = "9"
    & skf18("1","5","9","8","8","1","1") = "8"
    & skf18("1","5","9","8","8","2","1") = "8"
    & skf18("1","5","9","8","8","3","1") = "8"
    & skf18("1","5","9","8","8","4","1") = "8"
    & skf18("1","5","9","8","8","5","1") = "8"
    & skf18("1","5","9","8","8","6","1") = "8"
    & skf18("1","5","9","8","8","7","1") = "8"
    & skf18("1","5","9","8","8","8","1") = "8"
    & skf18("1","5","9","8","8","9","1") = "8"
    & skf18("1","5","9","8","8","10","1") = "9"
    & skf18("1","5","9","8","9","1","1") = "8"
    & skf18("1","5","9","8","9","2","1") = "8"
    & skf18("1","5","9","8","9","3","1") = "8"
    & skf18("1","5","9","8","9","4","1") = "8"
    & skf18("1","5","9","8","9","5","1") = "8"
    & skf18("1","5","9","8","9","6","1") = "8"
    & skf18("1","5","9","8","9","7","1") = "8"
    & skf18("1","5","9","8","9","8","1") = "8"
    & skf18("1","5","9","8","9","9","1") = "8"
    & skf18("1","5","9","8","9","10","1") = "9"
    & skf18("1","5","9","8","10","1","1") = "9"
    & skf18("1","5","9","8","10","2","1") = "9"
    & skf18("1","5","9","8","10","3","1") = "9"
    & skf18("1","5","9","8","10","4","1") = "9"
    & skf18("1","5","9","8","10","5","1") = "9"
    & skf18("1","5","9","8","10","6","1") = "9"
    & skf18("1","5","9","8","10","7","1") = "9"
    & skf18("1","5","9","8","10","8","1") = "9"
    & skf18("1","5","9","8","10","9","1") = "9"
    & skf18("1","5","9","8","10","10","1") = "9"
    & skf18("1","5","9","9","1","1","1") = "8"
    & skf18("1","5","9","9","1","2","1") = "8"
    & skf18("1","5","9","9","1","3","1") = "8"
    & skf18("1","5","9","9","1","4","1") = "8"
    & skf18("1","5","9","9","1","5","1") = "8"
    & skf18("1","5","9","9","1","6","1") = "8"
    & skf18("1","5","9","9","1","7","1") = "8"
    & skf18("1","5","9","9","1","8","1") = "8"
    & skf18("1","5","9","9","1","9","1") = "8"
    & skf18("1","5","9","9","1","10","1") = "9"
    & skf18("1","5","9","9","2","1","1") = "8"
    & skf18("1","5","9","9","2","2","1") = "8"
    & skf18("1","5","9","9","2","3","1") = "8"
    & skf18("1","5","9","9","2","4","1") = "8"
    & skf18("1","5","9","9","2","5","1") = "8"
    & skf18("1","5","9","9","2","6","1") = "8"
    & skf18("1","5","9","9","2","7","1") = "8"
    & skf18("1","5","9","9","2","8","1") = "8"
    & skf18("1","5","9","9","2","9","1") = "8"
    & skf18("1","5","9","9","2","10","1") = "9"
    & skf18("1","5","9","9","3","1","1") = "8"
    & skf18("1","5","9","9","3","2","1") = "8"
    & skf18("1","5","9","9","3","3","1") = "8"
    & skf18("1","5","9","9","3","4","1") = "8"
    & skf18("1","5","9","9","3","5","1") = "8"
    & skf18("1","5","9","9","3","6","1") = "8"
    & skf18("1","5","9","9","3","7","1") = "8"
    & skf18("1","5","9","9","3","8","1") = "8"
    & skf18("1","5","9","9","3","9","1") = "8"
    & skf18("1","5","9","9","3","10","1") = "9"
    & skf18("1","5","9","9","4","1","1") = "8"
    & skf18("1","5","9","9","4","2","1") = "8"
    & skf18("1","5","9","9","4","3","1") = "8"
    & skf18("1","5","9","9","4","4","1") = "8"
    & skf18("1","5","9","9","4","5","1") = "8"
    & skf18("1","5","9","9","4","6","1") = "8"
    & skf18("1","5","9","9","4","7","1") = "8"
    & skf18("1","5","9","9","4","8","1") = "8"
    & skf18("1","5","9","9","4","9","1") = "8"
    & skf18("1","5","9","9","4","10","1") = "9"
    & skf18("1","5","9","9","5","1","1") = "8"
    & skf18("1","5","9","9","5","2","1") = "8"
    & skf18("1","5","9","9","5","3","1") = "8"
    & skf18("1","5","9","9","5","4","1") = "8"
    & skf18("1","5","9","9","5","5","1") = "8"
    & skf18("1","5","9","9","5","6","1") = "8"
    & skf18("1","5","9","9","5","7","1") = "8"
    & skf18("1","5","9","9","5","8","1") = "8"
    & skf18("1","5","9","9","5","9","1") = "8"
    & skf18("1","5","9","9","5","10","1") = "9"
    & skf18("1","5","9","9","6","1","1") = "8"
    & skf18("1","5","9","9","6","2","1") = "8"
    & skf18("1","5","9","9","6","3","1") = "8"
    & skf18("1","5","9","9","6","4","1") = "8"
    & skf18("1","5","9","9","6","5","1") = "8"
    & skf18("1","5","9","9","6","6","1") = "8"
    & skf18("1","5","9","9","6","7","1") = "8"
    & skf18("1","5","9","9","6","8","1") = "8"
    & skf18("1","5","9","9","6","9","1") = "8"
    & skf18("1","5","9","9","6","10","1") = "9"
    & skf18("1","5","9","9","7","1","1") = "8"
    & skf18("1","5","9","9","7","2","1") = "8"
    & skf18("1","5","9","9","7","3","1") = "8"
    & skf18("1","5","9","9","7","4","1") = "8"
    & skf18("1","5","9","9","7","5","1") = "8"
    & skf18("1","5","9","9","7","6","1") = "8"
    & skf18("1","5","9","9","7","7","1") = "8"
    & skf18("1","5","9","9","7","8","1") = "8"
    & skf18("1","5","9","9","7","9","1") = "8"
    & skf18("1","5","9","9","7","10","1") = "9"
    & skf18("1","5","9","9","8","1","1") = "8"
    & skf18("1","5","9","9","8","2","1") = "8"
    & skf18("1","5","9","9","8","3","1") = "8"
    & skf18("1","5","9","9","8","4","1") = "8"
    & skf18("1","5","9","9","8","5","1") = "8"
    & skf18("1","5","9","9","8","6","1") = "8"
    & skf18("1","5","9","9","8","7","1") = "8"
    & skf18("1","5","9","9","8","8","1") = "8"
    & skf18("1","5","9","9","8","9","1") = "8"
    & skf18("1","5","9","9","8","10","1") = "9"
    & skf18("1","5","9","9","9","1","1") = "8"
    & skf18("1","5","9","9","9","2","1") = "8"
    & skf18("1","5","9","9","9","3","1") = "8"
    & skf18("1","5","9","9","9","4","1") = "8"
    & skf18("1","5","9","9","9","5","1") = "8"
    & skf18("1","5","9","9","9","6","1") = "8"
    & skf18("1","5","9","9","9","7","1") = "8"
    & skf18("1","5","9","9","9","8","1") = "8"
    & skf18("1","5","9","9","9","9","1") = "8"
    & skf18("1","5","9","9","9","10","1") = "9"
    & skf18("1","5","9","9","10","1","1") = "9"
    & skf18("1","5","9","9","10","2","1") = "9"
    & skf18("1","5","9","9","10","3","1") = "9"
    & skf18("1","5","9","9","10","4","1") = "9"
    & skf18("1","5","9","9","10","5","1") = "9"
    & skf18("1","5","9","9","10","6","1") = "9"
    & skf18("1","5","9","9","10","7","1") = "9"
    & skf18("1","5","9","9","10","8","1") = "9"
    & skf18("1","5","9","9","10","9","1") = "9"
    & skf18("1","5","9","9","10","10","1") = "9"
    & skf18("1","5","9","10","1","1","1") = "9"
    & skf18("1","5","9","10","1","2","1") = "9"
    & skf18("1","5","9","10","1","3","1") = "9"
    & skf18("1","5","9","10","1","4","1") = "9"
    & skf18("1","5","9","10","1","5","1") = "9"
    & skf18("1","5","9","10","1","6","1") = "9"
    & skf18("1","5","9","10","1","7","1") = "9"
    & skf18("1","5","9","10","1","8","1") = "9"
    & skf18("1","5","9","10","1","9","1") = "9"
    & skf18("1","5","9","10","1","10","1") = "9"
    & skf18("1","5","9","10","2","1","1") = "9"
    & skf18("1","5","9","10","2","2","1") = "9"
    & skf18("1","5","9","10","2","3","1") = "9"
    & skf18("1","5","9","10","2","4","1") = "9"
    & skf18("1","5","9","10","2","5","1") = "9"
    & skf18("1","5","9","10","2","6","1") = "9"
    & skf18("1","5","9","10","2","7","1") = "9"
    & skf18("1","5","9","10","2","8","1") = "9"
    & skf18("1","5","9","10","2","9","1") = "9"
    & skf18("1","5","9","10","2","10","1") = "9"
    & skf18("1","5","9","10","3","1","1") = "9"
    & skf18("1","5","9","10","3","2","1") = "9"
    & skf18("1","5","9","10","3","3","1") = "9"
    & skf18("1","5","9","10","3","4","1") = "9"
    & skf18("1","5","9","10","3","5","1") = "9"
    & skf18("1","5","9","10","3","6","1") = "9"
    & skf18("1","5","9","10","3","7","1") = "9"
    & skf18("1","5","9","10","3","8","1") = "9"
    & skf18("1","5","9","10","3","9","1") = "9"
    & skf18("1","5","9","10","3","10","1") = "9"
    & skf18("1","5","9","10","4","1","1") = "9"
    & skf18("1","5","9","10","4","2","1") = "9"
    & skf18("1","5","9","10","4","3","1") = "9"
    & skf18("1","5","9","10","4","4","1") = "9"
    & skf18("1","5","9","10","4","5","1") = "9"
    & skf18("1","5","9","10","4","6","1") = "9"
    & skf18("1","5","9","10","4","7","1") = "9"
    & skf18("1","5","9","10","4","8","1") = "9"
    & skf18("1","5","9","10","4","9","1") = "9"
    & skf18("1","5","9","10","4","10","1") = "9"
    & skf18("1","5","9","10","5","1","1") = "9"
    & skf18("1","5","9","10","5","2","1") = "9"
    & skf18("1","5","9","10","5","3","1") = "9"
    & skf18("1","5","9","10","5","4","1") = "9"
    & skf18("1","5","9","10","5","5","1") = "9"
    & skf18("1","5","9","10","5","6","1") = "9"
    & skf18("1","5","9","10","5","7","1") = "9"
    & skf18("1","5","9","10","5","8","1") = "9"
    & skf18("1","5","9","10","5","9","1") = "9"
    & skf18("1","5","9","10","5","10","1") = "9"
    & skf18("1","5","9","10","6","1","1") = "9"
    & skf18("1","5","9","10","6","2","1") = "9"
    & skf18("1","5","9","10","6","3","1") = "9"
    & skf18("1","5","9","10","6","4","1") = "9"
    & skf18("1","5","9","10","6","5","1") = "9"
    & skf18("1","5","9","10","6","6","1") = "9"
    & skf18("1","5","9","10","6","7","1") = "9"
    & skf18("1","5","9","10","6","8","1") = "9"
    & skf18("1","5","9","10","6","9","1") = "9"
    & skf18("1","5","9","10","6","10","1") = "9"
    & skf18("1","5","9","10","7","1","1") = "9"
    & skf18("1","5","9","10","7","2","1") = "9"
    & skf18("1","5","9","10","7","3","1") = "9"
    & skf18("1","5","9","10","7","4","1") = "9"
    & skf18("1","5","9","10","7","5","1") = "9"
    & skf18("1","5","9","10","7","6","1") = "9"
    & skf18("1","5","9","10","7","7","1") = "9"
    & skf18("1","5","9","10","7","8","1") = "9"
    & skf18("1","5","9","10","7","9","1") = "9"
    & skf18("1","5","9","10","7","10","1") = "9"
    & skf18("1","5","9","10","8","1","1") = "9"
    & skf18("1","5","9","10","8","2","1") = "9"
    & skf18("1","5","9","10","8","3","1") = "9"
    & skf18("1","5","9","10","8","4","1") = "9"
    & skf18("1","5","9","10","8","5","1") = "9"
    & skf18("1","5","9","10","8","6","1") = "9"
    & skf18("1","5","9","10","8","7","1") = "9"
    & skf18("1","5","9","10","8","8","1") = "9"
    & skf18("1","5","9","10","8","9","1") = "9"
    & skf18("1","5","9","10","8","10","1") = "9"
    & skf18("1","5","9","10","9","1","1") = "9"
    & skf18("1","5","9","10","9","2","1") = "9"
    & skf18("1","5","9","10","9","3","1") = "9"
    & skf18("1","5","9","10","9","4","1") = "9"
    & skf18("1","5","9","10","9","5","1") = "9"
    & skf18("1","5","9","10","9","6","1") = "9"
    & skf18("1","5","9","10","9","7","1") = "9"
    & skf18("1","5","9","10","9","8","1") = "9"
    & skf18("1","5","9","10","9","9","1") = "9"
    & skf18("1","5","9","10","9","10","1") = "9"
    & skf18("1","5","9","10","10","1","1") = "9"
    & skf18("1","5","9","10","10","2","1") = "9"
    & skf18("1","5","9","10","10","3","1") = "9"
    & skf18("1","5","9","10","10","4","1") = "9"
    & skf18("1","5","9","10","10","5","1") = "9"
    & skf18("1","5","9","10","10","6","1") = "9"
    & skf18("1","5","9","10","10","7","1") = "9"
    & skf18("1","5","9","10","10","8","1") = "9"
    & skf18("1","5","9","10","10","9","1") = "9"
    & skf18("1","5","9","10","10","10","1") = "9"
    & skf18("1","5","10","1","1","1","1") = "9"
    & skf18("1","5","10","1","1","2","1") = "9"
    & skf18("1","5","10","1","1","3","1") = "9"
    & skf18("1","5","10","1","1","4","1") = "9"
    & skf18("1","5","10","1","1","5","1") = "9"
    & skf18("1","5","10","1","1","6","1") = "9"
    & skf18("1","5","10","1","1","7","1") = "9"
    & skf18("1","5","10","1","1","8","1") = "9"
    & skf18("1","5","10","1","1","9","1") = "9"
    & skf18("1","5","10","1","1","10","1") = "9"
    & skf18("1","5","10","1","2","1","1") = "9"
    & skf18("1","5","10","1","2","2","1") = "9"
    & skf18("1","5","10","1","2","3","1") = "9"
    & skf18("1","5","10","1","2","4","1") = "9"
    & skf18("1","5","10","1","2","5","1") = "9"
    & skf18("1","5","10","1","2","6","1") = "9"
    & skf18("1","5","10","1","2","7","1") = "9"
    & skf18("1","5","10","1","2","8","1") = "9"
    & skf18("1","5","10","1","2","9","1") = "9"
    & skf18("1","5","10","1","2","10","1") = "9"
    & skf18("1","5","10","1","3","1","1") = "9"
    & skf18("1","5","10","1","3","2","1") = "9"
    & skf18("1","5","10","1","3","3","1") = "9"
    & skf18("1","5","10","1","3","4","1") = "9"
    & skf18("1","5","10","1","3","5","1") = "9"
    & skf18("1","5","10","1","3","6","1") = "9"
    & skf18("1","5","10","1","3","7","1") = "9"
    & skf18("1","5","10","1","3","8","1") = "9"
    & skf18("1","5","10","1","3","9","1") = "9"
    & skf18("1","5","10","1","3","10","1") = "9"
    & skf18("1","5","10","1","4","1","1") = "9"
    & skf18("1","5","10","1","4","2","1") = "9"
    & skf18("1","5","10","1","4","3","1") = "9"
    & skf18("1","5","10","1","4","4","1") = "9"
    & skf18("1","5","10","1","4","5","1") = "9"
    & skf18("1","5","10","1","4","6","1") = "9"
    & skf18("1","5","10","1","4","7","1") = "9"
    & skf18("1","5","10","1","4","8","1") = "9"
    & skf18("1","5","10","1","4","9","1") = "9"
    & skf18("1","5","10","1","4","10","1") = "9"
    & skf18("1","5","10","1","5","1","1") = "9"
    & skf18("1","5","10","1","5","2","1") = "9"
    & skf18("1","5","10","1","5","3","1") = "9"
    & skf18("1","5","10","1","5","4","1") = "9"
    & skf18("1","5","10","1","5","5","1") = "9"
    & skf18("1","5","10","1","5","6","1") = "9"
    & skf18("1","5","10","1","5","7","1") = "9"
    & skf18("1","5","10","1","5","8","1") = "9"
    & skf18("1","5","10","1","5","9","1") = "9"
    & skf18("1","5","10","1","5","10","1") = "9"
    & skf18("1","5","10","1","6","1","1") = "9"
    & skf18("1","5","10","1","6","2","1") = "9"
    & skf18("1","5","10","1","6","3","1") = "9"
    & skf18("1","5","10","1","6","4","1") = "9"
    & skf18("1","5","10","1","6","5","1") = "9"
    & skf18("1","5","10","1","6","6","1") = "9"
    & skf18("1","5","10","1","6","7","1") = "9"
    & skf18("1","5","10","1","6","8","1") = "9"
    & skf18("1","5","10","1","6","9","1") = "9"
    & skf18("1","5","10","1","6","10","1") = "9"
    & skf18("1","5","10","1","7","1","1") = "9"
    & skf18("1","5","10","1","7","2","1") = "9"
    & skf18("1","5","10","1","7","3","1") = "9"
    & skf18("1","5","10","1","7","4","1") = "9"
    & skf18("1","5","10","1","7","5","1") = "9"
    & skf18("1","5","10","1","7","6","1") = "9"
    & skf18("1","5","10","1","7","7","1") = "9"
    & skf18("1","5","10","1","7","8","1") = "9"
    & skf18("1","5","10","1","7","9","1") = "9"
    & skf18("1","5","10","1","7","10","1") = "9"
    & skf18("1","5","10","1","8","1","1") = "9"
    & skf18("1","5","10","1","8","2","1") = "9"
    & skf18("1","5","10","1","8","3","1") = "9"
    & skf18("1","5","10","1","8","4","1") = "9"
    & skf18("1","5","10","1","8","5","1") = "9"
    & skf18("1","5","10","1","8","6","1") = "9"
    & skf18("1","5","10","1","8","7","1") = "9"
    & skf18("1","5","10","1","8","8","1") = "9"
    & skf18("1","5","10","1","8","9","1") = "9"
    & skf18("1","5","10","1","8","10","1") = "9"
    & skf18("1","5","10","1","9","1","1") = "9"
    & skf18("1","5","10","1","9","2","1") = "9"
    & skf18("1","5","10","1","9","3","1") = "9"
    & skf18("1","5","10","1","9","4","1") = "9"
    & skf18("1","5","10","1","9","5","1") = "9"
    & skf18("1","5","10","1","9","6","1") = "9"
    & skf18("1","5","10","1","9","7","1") = "9"
    & skf18("1","5","10","1","9","8","1") = "9"
    & skf18("1","5","10","1","9","9","1") = "9"
    & skf18("1","5","10","1","9","10","1") = "9"
    & skf18("1","5","10","1","10","1","1") = "9"
    & skf18("1","5","10","1","10","2","1") = "9"
    & skf18("1","5","10","1","10","3","1") = "9"
    & skf18("1","5","10","1","10","4","1") = "9"
    & skf18("1","5","10","1","10","5","1") = "9"
    & skf18("1","5","10","1","10","6","1") = "9"
    & skf18("1","5","10","1","10","7","1") = "9"
    & skf18("1","5","10","1","10","8","1") = "9"
    & skf18("1","5","10","1","10","9","1") = "9"
    & skf18("1","5","10","1","10","10","1") = "9"
    & skf18("1","5","10","2","1","1","1") = "9"
    & skf18("1","5","10","2","1","2","1") = "9"
    & skf18("1","5","10","2","1","3","1") = "9"
    & skf18("1","5","10","2","1","4","1") = "9"
    & skf18("1","5","10","2","1","5","1") = "9"
    & skf18("1","5","10","2","1","6","1") = "9"
    & skf18("1","5","10","2","1","7","1") = "9"
    & skf18("1","5","10","2","1","8","1") = "9"
    & skf18("1","5","10","2","1","9","1") = "9"
    & skf18("1","5","10","2","1","10","1") = "9"
    & skf18("1","5","10","2","2","1","1") = "9"
    & skf18("1","5","10","2","2","2","1") = "9"
    & skf18("1","5","10","2","2","3","1") = "9"
    & skf18("1","5","10","2","2","4","1") = "9"
    & skf18("1","5","10","2","2","5","1") = "9"
    & skf18("1","5","10","2","2","6","1") = "9"
    & skf18("1","5","10","2","2","7","1") = "9"
    & skf18("1","5","10","2","2","8","1") = "9"
    & skf18("1","5","10","2","2","9","1") = "9"
    & skf18("1","5","10","2","2","10","1") = "9"
    & skf18("1","5","10","2","3","1","1") = "9"
    & skf18("1","5","10","2","3","2","1") = "9"
    & skf18("1","5","10","2","3","3","1") = "9"
    & skf18("1","5","10","2","3","4","1") = "9"
    & skf18("1","5","10","2","3","5","1") = "9"
    & skf18("1","5","10","2","3","6","1") = "9"
    & skf18("1","5","10","2","3","7","1") = "9"
    & skf18("1","5","10","2","3","8","1") = "9"
    & skf18("1","5","10","2","3","9","1") = "9"
    & skf18("1","5","10","2","3","10","1") = "9"
    & skf18("1","5","10","2","4","1","1") = "9"
    & skf18("1","5","10","2","4","2","1") = "9"
    & skf18("1","5","10","2","4","3","1") = "9"
    & skf18("1","5","10","2","4","4","1") = "9"
    & skf18("1","5","10","2","4","5","1") = "9"
    & skf18("1","5","10","2","4","6","1") = "9"
    & skf18("1","5","10","2","4","7","1") = "9"
    & skf18("1","5","10","2","4","8","1") = "9"
    & skf18("1","5","10","2","4","9","1") = "9"
    & skf18("1","5","10","2","4","10","1") = "9"
    & skf18("1","5","10","2","5","1","1") = "9"
    & skf18("1","5","10","2","5","2","1") = "9"
    & skf18("1","5","10","2","5","3","1") = "9"
    & skf18("1","5","10","2","5","4","1") = "9"
    & skf18("1","5","10","2","5","5","1") = "9"
    & skf18("1","5","10","2","5","6","1") = "9"
    & skf18("1","5","10","2","5","7","1") = "9"
    & skf18("1","5","10","2","5","8","1") = "9"
    & skf18("1","5","10","2","5","9","1") = "9"
    & skf18("1","5","10","2","5","10","1") = "9"
    & skf18("1","5","10","2","6","1","1") = "9"
    & skf18("1","5","10","2","6","2","1") = "9"
    & skf18("1","5","10","2","6","3","1") = "9"
    & skf18("1","5","10","2","6","4","1") = "9"
    & skf18("1","5","10","2","6","5","1") = "9"
    & skf18("1","5","10","2","6","6","1") = "9"
    & skf18("1","5","10","2","6","7","1") = "9"
    & skf18("1","5","10","2","6","8","1") = "9"
    & skf18("1","5","10","2","6","9","1") = "9"
    & skf18("1","5","10","2","6","10","1") = "9"
    & skf18("1","5","10","2","7","1","1") = "9"
    & skf18("1","5","10","2","7","2","1") = "9"
    & skf18("1","5","10","2","7","3","1") = "9"
    & skf18("1","5","10","2","7","4","1") = "9"
    & skf18("1","5","10","2","7","5","1") = "9"
    & skf18("1","5","10","2","7","6","1") = "9"
    & skf18("1","5","10","2","7","7","1") = "9"
    & skf18("1","5","10","2","7","8","1") = "9"
    & skf18("1","5","10","2","7","9","1") = "9"
    & skf18("1","5","10","2","7","10","1") = "9"
    & skf18("1","5","10","2","8","1","1") = "9"
    & skf18("1","5","10","2","8","2","1") = "9"
    & skf18("1","5","10","2","8","3","1") = "9"
    & skf18("1","5","10","2","8","4","1") = "9"
    & skf18("1","5","10","2","8","5","1") = "9"
    & skf18("1","5","10","2","8","6","1") = "9"
    & skf18("1","5","10","2","8","7","1") = "9"
    & skf18("1","5","10","2","8","8","1") = "9"
    & skf18("1","5","10","2","8","9","1") = "9"
    & skf18("1","5","10","2","8","10","1") = "9"
    & skf18("1","5","10","2","9","1","1") = "9"
    & skf18("1","5","10","2","9","2","1") = "9"
    & skf18("1","5","10","2","9","3","1") = "9"
    & skf18("1","5","10","2","9","4","1") = "9"
    & skf18("1","5","10","2","9","5","1") = "9"
    & skf18("1","5","10","2","9","6","1") = "9"
    & skf18("1","5","10","2","9","7","1") = "9"
    & skf18("1","5","10","2","9","8","1") = "9"
    & skf18("1","5","10","2","9","9","1") = "9"
    & skf18("1","5","10","2","9","10","1") = "9"
    & skf18("1","5","10","2","10","1","1") = "9"
    & skf18("1","5","10","2","10","2","1") = "9"
    & skf18("1","5","10","2","10","3","1") = "9"
    & skf18("1","5","10","2","10","4","1") = "9"
    & skf18("1","5","10","2","10","5","1") = "9"
    & skf18("1","5","10","2","10","6","1") = "9"
    & skf18("1","5","10","2","10","7","1") = "9"
    & skf18("1","5","10","2","10","8","1") = "9"
    & skf18("1","5","10","2","10","9","1") = "9"
    & skf18("1","5","10","2","10","10","1") = "9"
    & skf18("1","5","10","3","1","1","1") = "9"
    & skf18("1","5","10","3","1","2","1") = "9"
    & skf18("1","5","10","3","1","3","1") = "9"
    & skf18("1","5","10","3","1","4","1") = "9"
    & skf18("1","5","10","3","1","5","1") = "9"
    & skf18("1","5","10","3","1","6","1") = "9"
    & skf18("1","5","10","3","1","7","1") = "9"
    & skf18("1","5","10","3","1","8","1") = "9"
    & skf18("1","5","10","3","1","9","1") = "9"
    & skf18("1","5","10","3","1","10","1") = "9"
    & skf18("1","5","10","3","2","1","1") = "9"
    & skf18("1","5","10","3","2","2","1") = "9"
    & skf18("1","5","10","3","2","3","1") = "9"
    & skf18("1","5","10","3","2","4","1") = "9"
    & skf18("1","5","10","3","2","5","1") = "9"
    & skf18("1","5","10","3","2","6","1") = "9"
    & skf18("1","5","10","3","2","7","1") = "9"
    & skf18("1","5","10","3","2","8","1") = "9"
    & skf18("1","5","10","3","2","9","1") = "9"
    & skf18("1","5","10","3","2","10","1") = "9"
    & skf18("1","5","10","3","3","1","1") = "9"
    & skf18("1","5","10","3","3","2","1") = "9"
    & skf18("1","5","10","3","3","3","1") = "9"
    & skf18("1","5","10","3","3","4","1") = "9"
    & skf18("1","5","10","3","3","5","1") = "9"
    & skf18("1","5","10","3","3","6","1") = "9"
    & skf18("1","5","10","3","3","7","1") = "9"
    & skf18("1","5","10","3","3","8","1") = "9"
    & skf18("1","5","10","3","3","9","1") = "9"
    & skf18("1","5","10","3","3","10","1") = "9"
    & skf18("1","5","10","3","4","1","1") = "9"
    & skf18("1","5","10","3","4","2","1") = "9"
    & skf18("1","5","10","3","4","3","1") = "9"
    & skf18("1","5","10","3","4","4","1") = "9"
    & skf18("1","5","10","3","4","5","1") = "9"
    & skf18("1","5","10","3","4","6","1") = "9"
    & skf18("1","5","10","3","4","7","1") = "9"
    & skf18("1","5","10","3","4","8","1") = "9"
    & skf18("1","5","10","3","4","9","1") = "9"
    & skf18("1","5","10","3","4","10","1") = "9"
    & skf18("1","5","10","3","5","1","1") = "9"
    & skf18("1","5","10","3","5","2","1") = "9"
    & skf18("1","5","10","3","5","3","1") = "9"
    & skf18("1","5","10","3","5","4","1") = "9"
    & skf18("1","5","10","3","5","5","1") = "9"
    & skf18("1","5","10","3","5","6","1") = "9"
    & skf18("1","5","10","3","5","7","1") = "9"
    & skf18("1","5","10","3","5","8","1") = "9"
    & skf18("1","5","10","3","5","9","1") = "9"
    & skf18("1","5","10","3","5","10","1") = "9"
    & skf18("1","5","10","3","6","1","1") = "9"
    & skf18("1","5","10","3","6","2","1") = "9"
    & skf18("1","5","10","3","6","3","1") = "9"
    & skf18("1","5","10","3","6","4","1") = "9"
    & skf18("1","5","10","3","6","5","1") = "9"
    & skf18("1","5","10","3","6","6","1") = "9"
    & skf18("1","5","10","3","6","7","1") = "9"
    & skf18("1","5","10","3","6","8","1") = "9"
    & skf18("1","5","10","3","6","9","1") = "9"
    & skf18("1","5","10","3","6","10","1") = "9"
    & skf18("1","5","10","3","7","1","1") = "9"
    & skf18("1","5","10","3","7","2","1") = "9"
    & skf18("1","5","10","3","7","3","1") = "9"
    & skf18("1","5","10","3","7","4","1") = "9"
    & skf18("1","5","10","3","7","5","1") = "9"
    & skf18("1","5","10","3","7","6","1") = "9"
    & skf18("1","5","10","3","7","7","1") = "9"
    & skf18("1","5","10","3","7","8","1") = "9"
    & skf18("1","5","10","3","7","9","1") = "9"
    & skf18("1","5","10","3","7","10","1") = "9"
    & skf18("1","5","10","3","8","1","1") = "9"
    & skf18("1","5","10","3","8","2","1") = "9"
    & skf18("1","5","10","3","8","3","1") = "9"
    & skf18("1","5","10","3","8","4","1") = "9"
    & skf18("1","5","10","3","8","5","1") = "9"
    & skf18("1","5","10","3","8","6","1") = "9"
    & skf18("1","5","10","3","8","7","1") = "9"
    & skf18("1","5","10","3","8","8","1") = "9"
    & skf18("1","5","10","3","8","9","1") = "9"
    & skf18("1","5","10","3","8","10","1") = "9"
    & skf18("1","5","10","3","9","1","1") = "9"
    & skf18("1","5","10","3","9","2","1") = "9"
    & skf18("1","5","10","3","9","3","1") = "9"
    & skf18("1","5","10","3","9","4","1") = "9"
    & skf18("1","5","10","3","9","5","1") = "9"
    & skf18("1","5","10","3","9","6","1") = "9"
    & skf18("1","5","10","3","9","7","1") = "9"
    & skf18("1","5","10","3","9","8","1") = "9"
    & skf18("1","5","10","3","9","9","1") = "9"
    & skf18("1","5","10","3","9","10","1") = "9"
    & skf18("1","5","10","3","10","1","1") = "9"
    & skf18("1","5","10","3","10","2","1") = "9"
    & skf18("1","5","10","3","10","3","1") = "9"
    & skf18("1","5","10","3","10","4","1") = "9"
    & skf18("1","5","10","3","10","5","1") = "9"
    & skf18("1","5","10","3","10","6","1") = "9"
    & skf18("1","5","10","3","10","7","1") = "9"
    & skf18("1","5","10","3","10","8","1") = "9"
    & skf18("1","5","10","3","10","9","1") = "9"
    & skf18("1","5","10","3","10","10","1") = "9"
    & skf18("1","5","10","4","1","1","1") = "9"
    & skf18("1","5","10","4","1","2","1") = "9"
    & skf18("1","5","10","4","1","3","1") = "9"
    & skf18("1","5","10","4","1","4","1") = "9"
    & skf18("1","5","10","4","1","5","1") = "9"
    & skf18("1","5","10","4","1","6","1") = "9"
    & skf18("1","5","10","4","1","7","1") = "9"
    & skf18("1","5","10","4","1","8","1") = "9"
    & skf18("1","5","10","4","1","9","1") = "9"
    & skf18("1","5","10","4","1","10","1") = "9"
    & skf18("1","5","10","4","2","1","1") = "9"
    & skf18("1","5","10","4","2","2","1") = "9"
    & skf18("1","5","10","4","2","3","1") = "9"
    & skf18("1","5","10","4","2","4","1") = "9"
    & skf18("1","5","10","4","2","5","1") = "9"
    & skf18("1","5","10","4","2","6","1") = "9"
    & skf18("1","5","10","4","2","7","1") = "9"
    & skf18("1","5","10","4","2","8","1") = "9"
    & skf18("1","5","10","4","2","9","1") = "9"
    & skf18("1","5","10","4","2","10","1") = "9"
    & skf18("1","5","10","4","3","1","1") = "9"
    & skf18("1","5","10","4","3","2","1") = "9"
    & skf18("1","5","10","4","3","3","1") = "9"
    & skf18("1","5","10","4","3","4","1") = "9"
    & skf18("1","5","10","4","3","5","1") = "9"
    & skf18("1","5","10","4","3","6","1") = "9"
    & skf18("1","5","10","4","3","7","1") = "9"
    & skf18("1","5","10","4","3","8","1") = "9"
    & skf18("1","5","10","4","3","9","1") = "9"
    & skf18("1","5","10","4","3","10","1") = "9"
    & skf18("1","5","10","4","4","1","1") = "9"
    & skf18("1","5","10","4","4","2","1") = "9"
    & skf18("1","5","10","4","4","3","1") = "9"
    & skf18("1","5","10","4","4","4","1") = "9"
    & skf18("1","5","10","4","4","5","1") = "9"
    & skf18("1","5","10","4","4","6","1") = "9"
    & skf18("1","5","10","4","4","7","1") = "9"
    & skf18("1","5","10","4","4","8","1") = "9"
    & skf18("1","5","10","4","4","9","1") = "9"
    & skf18("1","5","10","4","4","10","1") = "9"
    & skf18("1","5","10","4","5","1","1") = "9"
    & skf18("1","5","10","4","5","2","1") = "9"
    & skf18("1","5","10","4","5","3","1") = "9"
    & skf18("1","5","10","4","5","4","1") = "9"
    & skf18("1","5","10","4","5","5","1") = "9"
    & skf18("1","5","10","4","5","6","1") = "9"
    & skf18("1","5","10","4","5","7","1") = "9"
    & skf18("1","5","10","4","5","8","1") = "9"
    & skf18("1","5","10","4","5","9","1") = "9"
    & skf18("1","5","10","4","5","10","1") = "9"
    & skf18("1","5","10","4","6","1","1") = "9"
    & skf18("1","5","10","4","6","2","1") = "9"
    & skf18("1","5","10","4","6","3","1") = "9"
    & skf18("1","5","10","4","6","4","1") = "9"
    & skf18("1","5","10","4","6","5","1") = "9"
    & skf18("1","5","10","4","6","6","1") = "9"
    & skf18("1","5","10","4","6","7","1") = "9"
    & skf18("1","5","10","4","6","8","1") = "9"
    & skf18("1","5","10","4","6","9","1") = "9"
    & skf18("1","5","10","4","6","10","1") = "9"
    & skf18("1","5","10","4","7","1","1") = "9"
    & skf18("1","5","10","4","7","2","1") = "9"
    & skf18("1","5","10","4","7","3","1") = "9"
    & skf18("1","5","10","4","7","4","1") = "9"
    & skf18("1","5","10","4","7","5","1") = "9"
    & skf18("1","5","10","4","7","6","1") = "9"
    & skf18("1","5","10","4","7","7","1") = "9"
    & skf18("1","5","10","4","7","8","1") = "9"
    & skf18("1","5","10","4","7","9","1") = "9"
    & skf18("1","5","10","4","7","10","1") = "9"
    & skf18("1","5","10","4","8","1","1") = "9"
    & skf18("1","5","10","4","8","2","1") = "9"
    & skf18("1","5","10","4","8","3","1") = "9"
    & skf18("1","5","10","4","8","4","1") = "9"
    & skf18("1","5","10","4","8","5","1") = "9"
    & skf18("1","5","10","4","8","6","1") = "9"
    & skf18("1","5","10","4","8","7","1") = "9"
    & skf18("1","5","10","4","8","8","1") = "9"
    & skf18("1","5","10","4","8","9","1") = "9"
    & skf18("1","5","10","4","8","10","1") = "9"
    & skf18("1","5","10","4","9","1","1") = "9"
    & skf18("1","5","10","4","9","2","1") = "9"
    & skf18("1","5","10","4","9","3","1") = "9"
    & skf18("1","5","10","4","9","4","1") = "9"
    & skf18("1","5","10","4","9","5","1") = "9"
    & skf18("1","5","10","4","9","6","1") = "9"
    & skf18("1","5","10","4","9","7","1") = "9"
    & skf18("1","5","10","4","9","8","1") = "9"
    & skf18("1","5","10","4","9","9","1") = "9"
    & skf18("1","5","10","4","9","10","1") = "9"
    & skf18("1","5","10","4","10","1","1") = "9"
    & skf18("1","5","10","4","10","2","1") = "9"
    & skf18("1","5","10","4","10","3","1") = "9"
    & skf18("1","5","10","4","10","4","1") = "9"
    & skf18("1","5","10","4","10","5","1") = "9"
    & skf18("1","5","10","4","10","6","1") = "9"
    & skf18("1","5","10","4","10","7","1") = "9"
    & skf18("1","5","10","4","10","8","1") = "9"
    & skf18("1","5","10","4","10","9","1") = "9"
    & skf18("1","5","10","4","10","10","1") = "9"
    & skf18("1","5","10","5","1","1","1") = "9"
    & skf18("1","5","10","5","1","2","1") = "9"
    & skf18("1","5","10","5","1","3","1") = "9"
    & skf18("1","5","10","5","1","4","1") = "9"
    & skf18("1","5","10","5","1","5","1") = "9"
    & skf18("1","5","10","5","1","6","1") = "9"
    & skf18("1","5","10","5","1","7","1") = "9"
    & skf18("1","5","10","5","1","8","1") = "9"
    & skf18("1","5","10","5","1","9","1") = "9"
    & skf18("1","5","10","5","1","10","1") = "9"
    & skf18("1","5","10","5","2","1","1") = "9"
    & skf18("1","5","10","5","2","2","1") = "9"
    & skf18("1","5","10","5","2","3","1") = "9"
    & skf18("1","5","10","5","2","4","1") = "9"
    & skf18("1","5","10","5","2","5","1") = "9"
    & skf18("1","5","10","5","2","6","1") = "9"
    & skf18("1","5","10","5","2","7","1") = "9"
    & skf18("1","5","10","5","2","8","1") = "9"
    & skf18("1","5","10","5","2","9","1") = "9"
    & skf18("1","5","10","5","2","10","1") = "9"
    & skf18("1","5","10","5","3","1","1") = "9"
    & skf18("1","5","10","5","3","2","1") = "9"
    & skf18("1","5","10","5","3","3","1") = "9"
    & skf18("1","5","10","5","3","4","1") = "9"
    & skf18("1","5","10","5","3","5","1") = "9"
    & skf18("1","5","10","5","3","6","1") = "9"
    & skf18("1","5","10","5","3","7","1") = "9"
    & skf18("1","5","10","5","3","8","1") = "9"
    & skf18("1","5","10","5","3","9","1") = "9"
    & skf18("1","5","10","5","3","10","1") = "9"
    & skf18("1","5","10","5","4","1","1") = "9"
    & skf18("1","5","10","5","4","2","1") = "9"
    & skf18("1","5","10","5","4","3","1") = "9"
    & skf18("1","5","10","5","4","4","1") = "9"
    & skf18("1","5","10","5","4","5","1") = "9"
    & skf18("1","5","10","5","4","6","1") = "9"
    & skf18("1","5","10","5","4","7","1") = "9"
    & skf18("1","5","10","5","4","8","1") = "9"
    & skf18("1","5","10","5","4","9","1") = "9"
    & skf18("1","5","10","5","4","10","1") = "9"
    & skf18("1","5","10","5","5","1","1") = "9"
    & skf18("1","5","10","5","5","2","1") = "9"
    & skf18("1","5","10","5","5","3","1") = "9"
    & skf18("1","5","10","5","5","4","1") = "9"
    & skf18("1","5","10","5","5","5","1") = "9"
    & skf18("1","5","10","5","5","6","1") = "9"
    & skf18("1","5","10","5","5","7","1") = "9"
    & skf18("1","5","10","5","5","8","1") = "9"
    & skf18("1","5","10","5","5","9","1") = "9"
    & skf18("1","5","10","5","5","10","1") = "9"
    & skf18("1","5","10","5","6","1","1") = "9"
    & skf18("1","5","10","5","6","2","1") = "9"
    & skf18("1","5","10","5","6","3","1") = "9"
    & skf18("1","5","10","5","6","4","1") = "9"
    & skf18("1","5","10","5","6","5","1") = "9"
    & skf18("1","5","10","5","6","6","1") = "9"
    & skf18("1","5","10","5","6","7","1") = "9"
    & skf18("1","5","10","5","6","8","1") = "9"
    & skf18("1","5","10","5","6","9","1") = "9"
    & skf18("1","5","10","5","6","10","1") = "9"
    & skf18("1","5","10","5","7","1","1") = "9"
    & skf18("1","5","10","5","7","2","1") = "9"
    & skf18("1","5","10","5","7","3","1") = "9"
    & skf18("1","5","10","5","7","4","1") = "9"
    & skf18("1","5","10","5","7","5","1") = "9"
    & skf18("1","5","10","5","7","6","1") = "9"
    & skf18("1","5","10","5","7","7","1") = "9"
    & skf18("1","5","10","5","7","8","1") = "9"
    & skf18("1","5","10","5","7","9","1") = "9"
    & skf18("1","5","10","5","7","10","1") = "9"
    & skf18("1","5","10","5","8","1","1") = "9"
    & skf18("1","5","10","5","8","2","1") = "9"
    & skf18("1","5","10","5","8","3","1") = "9"
    & skf18("1","5","10","5","8","4","1") = "9"
    & skf18("1","5","10","5","8","5","1") = "9"
    & skf18("1","5","10","5","8","6","1") = "9"
    & skf18("1","5","10","5","8","7","1") = "9"
    & skf18("1","5","10","5","8","8","1") = "9"
    & skf18("1","5","10","5","8","9","1") = "9"
    & skf18("1","5","10","5","8","10","1") = "9"
    & skf18("1","5","10","5","9","1","1") = "9"
    & skf18("1","5","10","5","9","2","1") = "9"
    & skf18("1","5","10","5","9","3","1") = "9"
    & skf18("1","5","10","5","9","4","1") = "9"
    & skf18("1","5","10","5","9","5","1") = "9"
    & skf18("1","5","10","5","9","6","1") = "9"
    & skf18("1","5","10","5","9","7","1") = "9"
    & skf18("1","5","10","5","9","8","1") = "9"
    & skf18("1","5","10","5","9","9","1") = "9"
    & skf18("1","5","10","5","9","10","1") = "9"
    & skf18("1","5","10","5","10","1","1") = "9"
    & skf18("1","5","10","5","10","2","1") = "9"
    & skf18("1","5","10","5","10","3","1") = "9"
    & skf18("1","5","10","5","10","4","1") = "9"
    & skf18("1","5","10","5","10","5","1") = "9"
    & skf18("1","5","10","5","10","6","1") = "9"
    & skf18("1","5","10","5","10","7","1") = "9"
    & skf18("1","5","10","5","10","8","1") = "9"
    & skf18("1","5","10","5","10","9","1") = "9"
    & skf18("1","5","10","5","10","10","1") = "9"
    & skf18("1","5","10","6","1","1","1") = "9"
    & skf18("1","5","10","6","1","2","1") = "9"
    & skf18("1","5","10","6","1","3","1") = "9"
    & skf18("1","5","10","6","1","4","1") = "9"
    & skf18("1","5","10","6","1","5","1") = "9"
    & skf18("1","5","10","6","1","6","1") = "9"
    & skf18("1","5","10","6","1","7","1") = "9"
    & skf18("1","5","10","6","1","8","1") = "9"
    & skf18("1","5","10","6","1","9","1") = "9"
    & skf18("1","5","10","6","1","10","1") = "9"
    & skf18("1","5","10","6","2","1","1") = "9"
    & skf18("1","5","10","6","2","2","1") = "9"
    & skf18("1","5","10","6","2","3","1") = "9"
    & skf18("1","5","10","6","2","4","1") = "9"
    & skf18("1","5","10","6","2","5","1") = "9"
    & skf18("1","5","10","6","2","6","1") = "9"
    & skf18("1","5","10","6","2","7","1") = "9"
    & skf18("1","5","10","6","2","8","1") = "9"
    & skf18("1","5","10","6","2","9","1") = "9"
    & skf18("1","5","10","6","2","10","1") = "9"
    & skf18("1","5","10","6","3","1","1") = "9"
    & skf18("1","5","10","6","3","2","1") = "9"
    & skf18("1","5","10","6","3","3","1") = "9"
    & skf18("1","5","10","6","3","4","1") = "9"
    & skf18("1","5","10","6","3","5","1") = "9"
    & skf18("1","5","10","6","3","6","1") = "9"
    & skf18("1","5","10","6","3","7","1") = "9"
    & skf18("1","5","10","6","3","8","1") = "9"
    & skf18("1","5","10","6","3","9","1") = "9"
    & skf18("1","5","10","6","3","10","1") = "9"
    & skf18("1","5","10","6","4","1","1") = "9"
    & skf18("1","5","10","6","4","2","1") = "9"
    & skf18("1","5","10","6","4","3","1") = "9"
    & skf18("1","5","10","6","4","4","1") = "9"
    & skf18("1","5","10","6","4","5","1") = "9"
    & skf18("1","5","10","6","4","6","1") = "9"
    & skf18("1","5","10","6","4","7","1") = "9"
    & skf18("1","5","10","6","4","8","1") = "9"
    & skf18("1","5","10","6","4","9","1") = "9"
    & skf18("1","5","10","6","4","10","1") = "9"
    & skf18("1","5","10","6","5","1","1") = "9"
    & skf18("1","5","10","6","5","2","1") = "9"
    & skf18("1","5","10","6","5","3","1") = "9"
    & skf18("1","5","10","6","5","4","1") = "9"
    & skf18("1","5","10","6","5","5","1") = "9"
    & skf18("1","5","10","6","5","6","1") = "9"
    & skf18("1","5","10","6","5","7","1") = "9"
    & skf18("1","5","10","6","5","8","1") = "9"
    & skf18("1","5","10","6","5","9","1") = "9"
    & skf18("1","5","10","6","5","10","1") = "9"
    & skf18("1","5","10","6","6","1","1") = "9"
    & skf18("1","5","10","6","6","2","1") = "9"
    & skf18("1","5","10","6","6","3","1") = "9"
    & skf18("1","5","10","6","6","4","1") = "9"
    & skf18("1","5","10","6","6","5","1") = "9"
    & skf18("1","5","10","6","6","6","1") = "9"
    & skf18("1","5","10","6","6","7","1") = "9"
    & skf18("1","5","10","6","6","8","1") = "9"
    & skf18("1","5","10","6","6","9","1") = "9"
    & skf18("1","5","10","6","6","10","1") = "9"
    & skf18("1","5","10","6","7","1","1") = "9"
    & skf18("1","5","10","6","7","2","1") = "9"
    & skf18("1","5","10","6","7","3","1") = "9"
    & skf18("1","5","10","6","7","4","1") = "9"
    & skf18("1","5","10","6","7","5","1") = "9"
    & skf18("1","5","10","6","7","6","1") = "9"
    & skf18("1","5","10","6","7","7","1") = "9"
    & skf18("1","5","10","6","7","8","1") = "9"
    & skf18("1","5","10","6","7","9","1") = "9"
    & skf18("1","5","10","6","7","10","1") = "9"
    & skf18("1","5","10","6","8","1","1") = "9"
    & skf18("1","5","10","6","8","2","1") = "9"
    & skf18("1","5","10","6","8","3","1") = "9"
    & skf18("1","5","10","6","8","4","1") = "9"
    & skf18("1","5","10","6","8","5","1") = "9"
    & skf18("1","5","10","6","8","6","1") = "9"
    & skf18("1","5","10","6","8","7","1") = "9"
    & skf18("1","5","10","6","8","8","1") = "9"
    & skf18("1","5","10","6","8","9","1") = "9"
    & skf18("1","5","10","6","8","10","1") = "9"
    & skf18("1","5","10","6","9","1","1") = "9"
    & skf18("1","5","10","6","9","2","1") = "9"
    & skf18("1","5","10","6","9","3","1") = "9"
    & skf18("1","5","10","6","9","4","1") = "9"
    & skf18("1","5","10","6","9","5","1") = "9"
    & skf18("1","5","10","6","9","6","1") = "9"
    & skf18("1","5","10","6","9","7","1") = "9"
    & skf18("1","5","10","6","9","8","1") = "9"
    & skf18("1","5","10","6","9","9","1") = "9"
    & skf18("1","5","10","6","9","10","1") = "9"
    & skf18("1","5","10","6","10","1","1") = "9"
    & skf18("1","5","10","6","10","2","1") = "9"
    & skf18("1","5","10","6","10","3","1") = "9"
    & skf18("1","5","10","6","10","4","1") = "9"
    & skf18("1","5","10","6","10","5","1") = "9"
    & skf18("1","5","10","6","10","6","1") = "9"
    & skf18("1","5","10","6","10","7","1") = "9"
    & skf18("1","5","10","6","10","8","1") = "9"
    & skf18("1","5","10","6","10","9","1") = "9"
    & skf18("1","5","10","6","10","10","1") = "9"
    & skf18("1","5","10","7","1","1","1") = "9"
    & skf18("1","5","10","7","1","2","1") = "9"
    & skf18("1","5","10","7","1","3","1") = "9"
    & skf18("1","5","10","7","1","4","1") = "9"
    & skf18("1","5","10","7","1","5","1") = "9"
    & skf18("1","5","10","7","1","6","1") = "9"
    & skf18("1","5","10","7","1","7","1") = "9"
    & skf18("1","5","10","7","1","8","1") = "9"
    & skf18("1","5","10","7","1","9","1") = "9"
    & skf18("1","5","10","7","1","10","1") = "9"
    & skf18("1","5","10","7","2","1","1") = "9"
    & skf18("1","5","10","7","2","2","1") = "9"
    & skf18("1","5","10","7","2","3","1") = "9"
    & skf18("1","5","10","7","2","4","1") = "9"
    & skf18("1","5","10","7","2","5","1") = "9"
    & skf18("1","5","10","7","2","6","1") = "9"
    & skf18("1","5","10","7","2","7","1") = "9"
    & skf18("1","5","10","7","2","8","1") = "9"
    & skf18("1","5","10","7","2","9","1") = "9"
    & skf18("1","5","10","7","2","10","1") = "9"
    & skf18("1","5","10","7","3","1","1") = "9"
    & skf18("1","5","10","7","3","2","1") = "9"
    & skf18("1","5","10","7","3","3","1") = "9"
    & skf18("1","5","10","7","3","4","1") = "9"
    & skf18("1","5","10","7","3","5","1") = "9"
    & skf18("1","5","10","7","3","6","1") = "9"
    & skf18("1","5","10","7","3","7","1") = "9"
    & skf18("1","5","10","7","3","8","1") = "9"
    & skf18("1","5","10","7","3","9","1") = "9"
    & skf18("1","5","10","7","3","10","1") = "9"
    & skf18("1","5","10","7","4","1","1") = "9"
    & skf18("1","5","10","7","4","2","1") = "9"
    & skf18("1","5","10","7","4","3","1") = "9"
    & skf18("1","5","10","7","4","4","1") = "9"
    & skf18("1","5","10","7","4","5","1") = "9"
    & skf18("1","5","10","7","4","6","1") = "9"
    & skf18("1","5","10","7","4","7","1") = "9"
    & skf18("1","5","10","7","4","8","1") = "9"
    & skf18("1","5","10","7","4","9","1") = "9"
    & skf18("1","5","10","7","4","10","1") = "9"
    & skf18("1","5","10","7","5","1","1") = "9"
    & skf18("1","5","10","7","5","2","1") = "9"
    & skf18("1","5","10","7","5","3","1") = "9"
    & skf18("1","5","10","7","5","4","1") = "9"
    & skf18("1","5","10","7","5","5","1") = "9"
    & skf18("1","5","10","7","5","6","1") = "9"
    & skf18("1","5","10","7","5","7","1") = "9"
    & skf18("1","5","10","7","5","8","1") = "9"
    & skf18("1","5","10","7","5","9","1") = "9"
    & skf18("1","5","10","7","5","10","1") = "9"
    & skf18("1","5","10","7","6","1","1") = "9"
    & skf18("1","5","10","7","6","2","1") = "9"
    & skf18("1","5","10","7","6","3","1") = "9"
    & skf18("1","5","10","7","6","4","1") = "9"
    & skf18("1","5","10","7","6","5","1") = "9"
    & skf18("1","5","10","7","6","6","1") = "9"
    & skf18("1","5","10","7","6","7","1") = "9"
    & skf18("1","5","10","7","6","8","1") = "9"
    & skf18("1","5","10","7","6","9","1") = "9"
    & skf18("1","5","10","7","6","10","1") = "9"
    & skf18("1","5","10","7","7","1","1") = "9"
    & skf18("1","5","10","7","7","2","1") = "9"
    & skf18("1","5","10","7","7","3","1") = "9"
    & skf18("1","5","10","7","7","4","1") = "9"
    & skf18("1","5","10","7","7","5","1") = "9"
    & skf18("1","5","10","7","7","6","1") = "9"
    & skf18("1","5","10","7","7","7","1") = "9"
    & skf18("1","5","10","7","7","8","1") = "9"
    & skf18("1","5","10","7","7","9","1") = "9"
    & skf18("1","5","10","7","7","10","1") = "9"
    & skf18("1","5","10","7","8","1","1") = "9"
    & skf18("1","5","10","7","8","2","1") = "9"
    & skf18("1","5","10","7","8","3","1") = "9"
    & skf18("1","5","10","7","8","4","1") = "9"
    & skf18("1","5","10","7","8","5","1") = "9"
    & skf18("1","5","10","7","8","6","1") = "9"
    & skf18("1","5","10","7","8","7","1") = "9"
    & skf18("1","5","10","7","8","8","1") = "9"
    & skf18("1","5","10","7","8","9","1") = "9"
    & skf18("1","5","10","7","8","10","1") = "9"
    & skf18("1","5","10","7","9","1","1") = "9"
    & skf18("1","5","10","7","9","2","1") = "9"
    & skf18("1","5","10","7","9","3","1") = "9"
    & skf18("1","5","10","7","9","4","1") = "9"
    & skf18("1","5","10","7","9","5","1") = "9"
    & skf18("1","5","10","7","9","6","1") = "9"
    & skf18("1","5","10","7","9","7","1") = "9"
    & skf18("1","5","10","7","9","8","1") = "9"
    & skf18("1","5","10","7","9","9","1") = "9"
    & skf18("1","5","10","7","9","10","1") = "9"
    & skf18("1","5","10","7","10","1","1") = "9"
    & skf18("1","5","10","7","10","2","1") = "9"
    & skf18("1","5","10","7","10","3","1") = "9"
    & skf18("1","5","10","7","10","4","1") = "9"
    & skf18("1","5","10","7","10","5","1") = "9"
    & skf18("1","5","10","7","10","6","1") = "9"
    & skf18("1","5","10","7","10","7","1") = "9"
    & skf18("1","5","10","7","10","8","1") = "9"
    & skf18("1","5","10","7","10","9","1") = "9"
    & skf18("1","5","10","7","10","10","1") = "9"
    & skf18("1","5","10","8","1","1","1") = "9"
    & skf18("1","5","10","8","1","2","1") = "9"
    & skf18("1","5","10","8","1","3","1") = "9"
    & skf18("1","5","10","8","1","4","1") = "9"
    & skf18("1","5","10","8","1","5","1") = "9"
    & skf18("1","5","10","8","1","6","1") = "9"
    & skf18("1","5","10","8","1","7","1") = "9"
    & skf18("1","5","10","8","1","8","1") = "9"
    & skf18("1","5","10","8","1","9","1") = "9"
    & skf18("1","5","10","8","1","10","1") = "9"
    & skf18("1","5","10","8","2","1","1") = "9"
    & skf18("1","5","10","8","2","2","1") = "9"
    & skf18("1","5","10","8","2","3","1") = "9"
    & skf18("1","5","10","8","2","4","1") = "9"
    & skf18("1","5","10","8","2","5","1") = "9"
    & skf18("1","5","10","8","2","6","1") = "9"
    & skf18("1","5","10","8","2","7","1") = "9"
    & skf18("1","5","10","8","2","8","1") = "9"
    & skf18("1","5","10","8","2","9","1") = "9"
    & skf18("1","5","10","8","2","10","1") = "9"
    & skf18("1","5","10","8","3","1","1") = "9"
    & skf18("1","5","10","8","3","2","1") = "9"
    & skf18("1","5","10","8","3","3","1") = "9"
    & skf18("1","5","10","8","3","4","1") = "9"
    & skf18("1","5","10","8","3","5","1") = "9"
    & skf18("1","5","10","8","3","6","1") = "9"
    & skf18("1","5","10","8","3","7","1") = "9"
    & skf18("1","5","10","8","3","8","1") = "9"
    & skf18("1","5","10","8","3","9","1") = "9"
    & skf18("1","5","10","8","3","10","1") = "9"
    & skf18("1","5","10","8","4","1","1") = "9"
    & skf18("1","5","10","8","4","2","1") = "9"
    & skf18("1","5","10","8","4","3","1") = "9"
    & skf18("1","5","10","8","4","4","1") = "9"
    & skf18("1","5","10","8","4","5","1") = "9"
    & skf18("1","5","10","8","4","6","1") = "9"
    & skf18("1","5","10","8","4","7","1") = "9"
    & skf18("1","5","10","8","4","8","1") = "9"
    & skf18("1","5","10","8","4","9","1") = "9"
    & skf18("1","5","10","8","4","10","1") = "9"
    & skf18("1","5","10","8","5","1","1") = "9"
    & skf18("1","5","10","8","5","2","1") = "9"
    & skf18("1","5","10","8","5","3","1") = "9"
    & skf18("1","5","10","8","5","4","1") = "9"
    & skf18("1","5","10","8","5","5","1") = "9"
    & skf18("1","5","10","8","5","6","1") = "9"
    & skf18("1","5","10","8","5","7","1") = "9"
    & skf18("1","5","10","8","5","8","1") = "9"
    & skf18("1","5","10","8","5","9","1") = "9"
    & skf18("1","5","10","8","5","10","1") = "9"
    & skf18("1","5","10","8","6","1","1") = "9"
    & skf18("1","5","10","8","6","2","1") = "9"
    & skf18("1","5","10","8","6","3","1") = "9"
    & skf18("1","5","10","8","6","4","1") = "9"
    & skf18("1","5","10","8","6","5","1") = "9"
    & skf18("1","5","10","8","6","6","1") = "9"
    & skf18("1","5","10","8","6","7","1") = "9"
    & skf18("1","5","10","8","6","8","1") = "9"
    & skf18("1","5","10","8","6","9","1") = "9"
    & skf18("1","5","10","8","6","10","1") = "9"
    & skf18("1","5","10","8","7","1","1") = "9"
    & skf18("1","5","10","8","7","2","1") = "9"
    & skf18("1","5","10","8","7","3","1") = "9"
    & skf18("1","5","10","8","7","4","1") = "9"
    & skf18("1","5","10","8","7","5","1") = "9"
    & skf18("1","5","10","8","7","6","1") = "9"
    & skf18("1","5","10","8","7","7","1") = "9"
    & skf18("1","5","10","8","7","8","1") = "9"
    & skf18("1","5","10","8","7","9","1") = "9"
    & skf18("1","5","10","8","7","10","1") = "9"
    & skf18("1","5","10","8","8","1","1") = "9"
    & skf18("1","5","10","8","8","2","1") = "9"
    & skf18("1","5","10","8","8","3","1") = "9"
    & skf18("1","5","10","8","8","4","1") = "9"
    & skf18("1","5","10","8","8","5","1") = "9"
    & skf18("1","5","10","8","8","6","1") = "9"
    & skf18("1","5","10","8","8","7","1") = "9"
    & skf18("1","5","10","8","8","8","1") = "9"
    & skf18("1","5","10","8","8","9","1") = "9"
    & skf18("1","5","10","8","8","10","1") = "9"
    & skf18("1","5","10","8","9","1","1") = "9"
    & skf18("1","5","10","8","9","2","1") = "9"
    & skf18("1","5","10","8","9","3","1") = "9"
    & skf18("1","5","10","8","9","4","1") = "9"
    & skf18("1","5","10","8","9","5","1") = "9"
    & skf18("1","5","10","8","9","6","1") = "9"
    & skf18("1","5","10","8","9","7","1") = "9"
    & skf18("1","5","10","8","9","8","1") = "9"
    & skf18("1","5","10","8","9","9","1") = "9"
    & skf18("1","5","10","8","9","10","1") = "9"
    & skf18("1","5","10","8","10","1","1") = "9"
    & skf18("1","5","10","8","10","2","1") = "9"
    & skf18("1","5","10","8","10","3","1") = "9"
    & skf18("1","5","10","8","10","4","1") = "9"
    & skf18("1","5","10","8","10","5","1") = "9"
    & skf18("1","5","10","8","10","6","1") = "9"
    & skf18("1","5","10","8","10","7","1") = "9"
    & skf18("1","5","10","8","10","8","1") = "9"
    & skf18("1","5","10","8","10","9","1") = "9"
    & skf18("1","5","10","8","10","10","1") = "9"
    & skf18("1","5","10","9","1","1","1") = "9"
    & skf18("1","5","10","9","1","2","1") = "9"
    & skf18("1","5","10","9","1","3","1") = "9"
    & skf18("1","5","10","9","1","4","1") = "9"
    & skf18("1","5","10","9","1","5","1") = "9"
    & skf18("1","5","10","9","1","6","1") = "9"
    & skf18("1","5","10","9","1","7","1") = "9"
    & skf18("1","5","10","9","1","8","1") = "9"
    & skf18("1","5","10","9","1","9","1") = "9"
    & skf18("1","5","10","9","1","10","1") = "9"
    & skf18("1","5","10","9","2","1","1") = "9"
    & skf18("1","5","10","9","2","2","1") = "9"
    & skf18("1","5","10","9","2","3","1") = "9"
    & skf18("1","5","10","9","2","4","1") = "9"
    & skf18("1","5","10","9","2","5","1") = "9"
    & skf18("1","5","10","9","2","6","1") = "9"
    & skf18("1","5","10","9","2","7","1") = "9"
    & skf18("1","5","10","9","2","8","1") = "9"
    & skf18("1","5","10","9","2","9","1") = "9"
    & skf18("1","5","10","9","2","10","1") = "9"
    & skf18("1","5","10","9","3","1","1") = "9"
    & skf18("1","5","10","9","3","2","1") = "9"
    & skf18("1","5","10","9","3","3","1") = "9"
    & skf18("1","5","10","9","3","4","1") = "9"
    & skf18("1","5","10","9","3","5","1") = "9"
    & skf18("1","5","10","9","3","6","1") = "9"
    & skf18("1","5","10","9","3","7","1") = "9"
    & skf18("1","5","10","9","3","8","1") = "9"
    & skf18("1","5","10","9","3","9","1") = "9"
    & skf18("1","5","10","9","3","10","1") = "9"
    & skf18("1","5","10","9","4","1","1") = "9"
    & skf18("1","5","10","9","4","2","1") = "9"
    & skf18("1","5","10","9","4","3","1") = "9"
    & skf18("1","5","10","9","4","4","1") = "9"
    & skf18("1","5","10","9","4","5","1") = "9"
    & skf18("1","5","10","9","4","6","1") = "9"
    & skf18("1","5","10","9","4","7","1") = "9"
    & skf18("1","5","10","9","4","8","1") = "9"
    & skf18("1","5","10","9","4","9","1") = "9"
    & skf18("1","5","10","9","4","10","1") = "9"
    & skf18("1","5","10","9","5","1","1") = "9"
    & skf18("1","5","10","9","5","2","1") = "9"
    & skf18("1","5","10","9","5","3","1") = "9"
    & skf18("1","5","10","9","5","4","1") = "9"
    & skf18("1","5","10","9","5","5","1") = "9"
    & skf18("1","5","10","9","5","6","1") = "9"
    & skf18("1","5","10","9","5","7","1") = "9"
    & skf18("1","5","10","9","5","8","1") = "9"
    & skf18("1","5","10","9","5","9","1") = "9"
    & skf18("1","5","10","9","5","10","1") = "9"
    & skf18("1","5","10","9","6","1","1") = "9"
    & skf18("1","5","10","9","6","2","1") = "9"
    & skf18("1","5","10","9","6","3","1") = "9"
    & skf18("1","5","10","9","6","4","1") = "9"
    & skf18("1","5","10","9","6","5","1") = "9"
    & skf18("1","5","10","9","6","6","1") = "9"
    & skf18("1","5","10","9","6","7","1") = "9"
    & skf18("1","5","10","9","6","8","1") = "9"
    & skf18("1","5","10","9","6","9","1") = "9"
    & skf18("1","5","10","9","6","10","1") = "9"
    & skf18("1","5","10","9","7","1","1") = "9"
    & skf18("1","5","10","9","7","2","1") = "9"
    & skf18("1","5","10","9","7","3","1") = "9"
    & skf18("1","5","10","9","7","4","1") = "9"
    & skf18("1","5","10","9","7","5","1") = "9"
    & skf18("1","5","10","9","7","6","1") = "9"
    & skf18("1","5","10","9","7","7","1") = "9"
    & skf18("1","5","10","9","7","8","1") = "9"
    & skf18("1","5","10","9","7","9","1") = "9"
    & skf18("1","5","10","9","7","10","1") = "9"
    & skf18("1","5","10","9","8","1","1") = "9"
    & skf18("1","5","10","9","8","2","1") = "9"
    & skf18("1","5","10","9","8","3","1") = "9"
    & skf18("1","5","10","9","8","4","1") = "9"
    & skf18("1","5","10","9","8","5","1") = "9"
    & skf18("1","5","10","9","8","6","1") = "9"
    & skf18("1","5","10","9","8","7","1") = "9"
    & skf18("1","5","10","9","8","8","1") = "9"
    & skf18("1","5","10","9","8","9","1") = "9"
    & skf18("1","5","10","9","8","10","1") = "9"
    & skf18("1","5","10","9","9","1","1") = "9"
    & skf18("1","5","10","9","9","2","1") = "9"
    & skf18("1","5","10","9","9","3","1") = "9"
    & skf18("1","5","10","9","9","4","1") = "9"
    & skf18("1","5","10","9","9","5","1") = "9"
    & skf18("1","5","10","9","9","6","1") = "9"
    & skf18("1","5","10","9","9","7","1") = "9"
    & skf18("1","5","10","9","9","8","1") = "9"
    & skf18("1","5","10","9","9","9","1") = "9"
    & skf18("1","5","10","9","9","10","1") = "9"
    & skf18("1","5","10","9","10","1","1") = "9"
    & skf18("1","5","10","9","10","2","1") = "9"
    & skf18("1","5","10","9","10","3","1") = "9"
    & skf18("1","5","10","9","10","4","1") = "9"
    & skf18("1","5","10","9","10","5","1") = "9"
    & skf18("1","5","10","9","10","6","1") = "9"
    & skf18("1","5","10","9","10","7","1") = "9"
    & skf18("1","5","10","9","10","8","1") = "9"
    & skf18("1","5","10","9","10","9","1") = "9"
    & skf18("1","5","10","9","10","10","1") = "9"
    & skf18("1","5","10","10","1","1","1") = "9"
    & skf18("1","5","10","10","1","2","1") = "9"
    & skf18("1","5","10","10","1","3","1") = "9"
    & skf18("1","5","10","10","1","4","1") = "9"
    & skf18("1","5","10","10","1","5","1") = "9"
    & skf18("1","5","10","10","1","6","1") = "9"
    & skf18("1","5","10","10","1","7","1") = "9"
    & skf18("1","5","10","10","1","8","1") = "9"
    & skf18("1","5","10","10","1","9","1") = "9"
    & skf18("1","5","10","10","1","10","1") = "9"
    & skf18("1","5","10","10","2","1","1") = "9"
    & skf18("1","5","10","10","2","2","1") = "9"
    & skf18("1","5","10","10","2","3","1") = "9"
    & skf18("1","5","10","10","2","4","1") = "9"
    & skf18("1","5","10","10","2","5","1") = "9"
    & skf18("1","5","10","10","2","6","1") = "9"
    & skf18("1","5","10","10","2","7","1") = "9"
    & skf18("1","5","10","10","2","8","1") = "9"
    & skf18("1","5","10","10","2","9","1") = "9"
    & skf18("1","5","10","10","2","10","1") = "9"
    & skf18("1","5","10","10","3","1","1") = "9"
    & skf18("1","5","10","10","3","2","1") = "9"
    & skf18("1","5","10","10","3","3","1") = "9"
    & skf18("1","5","10","10","3","4","1") = "9"
    & skf18("1","5","10","10","3","5","1") = "9"
    & skf18("1","5","10","10","3","6","1") = "9"
    & skf18("1","5","10","10","3","7","1") = "9"
    & skf18("1","5","10","10","3","8","1") = "9"
    & skf18("1","5","10","10","3","9","1") = "9"
    & skf18("1","5","10","10","3","10","1") = "9"
    & skf18("1","5","10","10","4","1","1") = "9"
    & skf18("1","5","10","10","4","2","1") = "9"
    & skf18("1","5","10","10","4","3","1") = "9"
    & skf18("1","5","10","10","4","4","1") = "9"
    & skf18("1","5","10","10","4","5","1") = "9"
    & skf18("1","5","10","10","4","6","1") = "9"
    & skf18("1","5","10","10","4","7","1") = "9"
    & skf18("1","5","10","10","4","8","1") = "9"
    & skf18("1","5","10","10","4","9","1") = "9"
    & skf18("1","5","10","10","4","10","1") = "9"
    & skf18("1","5","10","10","5","1","1") = "9"
    & skf18("1","5","10","10","5","2","1") = "9"
    & skf18("1","5","10","10","5","3","1") = "9"
    & skf18("1","5","10","10","5","4","1") = "9"
    & skf18("1","5","10","10","5","5","1") = "9"
    & skf18("1","5","10","10","5","6","1") = "9"
    & skf18("1","5","10","10","5","7","1") = "9"
    & skf18("1","5","10","10","5","8","1") = "9"
    & skf18("1","5","10","10","5","9","1") = "9"
    & skf18("1","5","10","10","5","10","1") = "9"
    & skf18("1","5","10","10","6","1","1") = "9"
    & skf18("1","5","10","10","6","2","1") = "9"
    & skf18("1","5","10","10","6","3","1") = "9"
    & skf18("1","5","10","10","6","4","1") = "9"
    & skf18("1","5","10","10","6","5","1") = "9"
    & skf18("1","5","10","10","6","6","1") = "9"
    & skf18("1","5","10","10","6","7","1") = "9"
    & skf18("1","5","10","10","6","8","1") = "9"
    & skf18("1","5","10","10","6","9","1") = "9"
    & skf18("1","5","10","10","6","10","1") = "9"
    & skf18("1","5","10","10","7","1","1") = "9"
    & skf18("1","5","10","10","7","2","1") = "9"
    & skf18("1","5","10","10","7","3","1") = "9"
    & skf18("1","5","10","10","7","4","1") = "9"
    & skf18("1","5","10","10","7","5","1") = "9"
    & skf18("1","5","10","10","7","6","1") = "9"
    & skf18("1","5","10","10","7","7","1") = "9"
    & skf18("1","5","10","10","7","8","1") = "9"
    & skf18("1","5","10","10","7","9","1") = "9"
    & skf18("1","5","10","10","7","10","1") = "9"
    & skf18("1","5","10","10","8","1","1") = "9"
    & skf18("1","5","10","10","8","2","1") = "9"
    & skf18("1","5","10","10","8","3","1") = "9"
    & skf18("1","5","10","10","8","4","1") = "9"
    & skf18("1","5","10","10","8","5","1") = "9"
    & skf18("1","5","10","10","8","6","1") = "9"
    & skf18("1","5","10","10","8","7","1") = "9"
    & skf18("1","5","10","10","8","8","1") = "9"
    & skf18("1","5","10","10","8","9","1") = "9"
    & skf18("1","5","10","10","8","10","1") = "9"
    & skf18("1","5","10","10","9","1","1") = "9"
    & skf18("1","5","10","10","9","2","1") = "9"
    & skf18("1","5","10","10","9","3","1") = "9"
    & skf18("1","5","10","10","9","4","1") = "9"
    & skf18("1","5","10","10","9","5","1") = "9"
    & skf18("1","5","10","10","9","6","1") = "9"
    & skf18("1","5","10","10","9","7","1") = "9"
    & skf18("1","5","10","10","9","8","1") = "9"
    & skf18("1","5","10","10","9","9","1") = "9"
    & skf18("1","5","10","10","9","10","1") = "9"
    & skf18("1","5","10","10","10","1","1") = "9"
    & skf18("1","5","10","10","10","2","1") = "9"
    & skf18("1","5","10","10","10","3","1") = "9"
    & skf18("1","5","10","10","10","4","1") = "9"
    & skf18("1","5","10","10","10","5","1") = "9"
    & skf18("1","5","10","10","10","6","1") = "9"
    & skf18("1","5","10","10","10","7","1") = "9"
    & skf18("1","5","10","10","10","8","1") = "9"
    & skf18("1","5","10","10","10","9","1") = "9"
    & skf18("1","5","10","10","10","10","1") = "9"
    & skf18("1","6","1","1","1","1","1") = "5"
    & skf18("1","6","1","1","1","2","1") = "5"
    & skf18("1","6","1","1","1","3","1") = "5"
    & skf18("1","6","1","1","1","4","1") = "5"
    & skf18("1","6","1","1","1","5","1") = "5"
    & skf18("1","6","1","1","1","6","1") = "5"
    & skf18("1","6","1","1","1","7","1") = "6"
    & skf18("1","6","1","1","1","8","1") = "7"
    & skf18("1","6","1","1","1","9","1") = "8"
    & skf18("1","6","1","1","1","10","1") = "9"
    & skf18("1","6","1","1","2","1","1") = "5"
    & skf18("1","6","1","1","2","2","1") = "5"
    & skf18("1","6","1","1","2","3","1") = "5"
    & skf18("1","6","1","1","2","4","1") = "5"
    & skf18("1","6","1","1","2","5","1") = "5"
    & skf18("1","6","1","1","2","6","1") = "5"
    & skf18("1","6","1","1","2","7","1") = "6"
    & skf18("1","6","1","1","2","8","1") = "7"
    & skf18("1","6","1","1","2","9","1") = "8"
    & skf18("1","6","1","1","2","10","1") = "9"
    & skf18("1","6","1","1","3","1","1") = "5"
    & skf18("1","6","1","1","3","2","1") = "5"
    & skf18("1","6","1","1","3","3","1") = "5"
    & skf18("1","6","1","1","3","4","1") = "5"
    & skf18("1","6","1","1","3","5","1") = "5"
    & skf18("1","6","1","1","3","6","1") = "5"
    & skf18("1","6","1","1","3","7","1") = "6"
    & skf18("1","6","1","1","3","8","1") = "7"
    & skf18("1","6","1","1","3","9","1") = "8"
    & skf18("1","6","1","1","3","10","1") = "9"
    & skf18("1","6","1","1","4","1","1") = "5"
    & skf18("1","6","1","1","4","2","1") = "5"
    & skf18("1","6","1","1","4","3","1") = "5"
    & skf18("1","6","1","1","4","4","1") = "5"
    & skf18("1","6","1","1","4","5","1") = "5"
    & skf18("1","6","1","1","4","6","1") = "5"
    & skf18("1","6","1","1","4","7","1") = "6"
    & skf18("1","6","1","1","4","8","1") = "7"
    & skf18("1","6","1","1","4","9","1") = "8"
    & skf18("1","6","1","1","4","10","1") = "9"
    & skf18("1","6","1","1","5","1","1") = "5"
    & skf18("1","6","1","1","5","2","1") = "5"
    & skf18("1","6","1","1","5","3","1") = "5"
    & skf18("1","6","1","1","5","4","1") = "5"
    & skf18("1","6","1","1","5","5","1") = "5"
    & skf18("1","6","1","1","5","6","1") = "5"
    & skf18("1","6","1","1","5","7","1") = "6"
    & skf18("1","6","1","1","5","8","1") = "7"
    & skf18("1","6","1","1","5","9","1") = "8"
    & skf18("1","6","1","1","5","10","1") = "9"
    & skf18("1","6","1","1","6","1","1") = "5"
    & skf18("1","6","1","1","6","2","1") = "5"
    & skf18("1","6","1","1","6","3","1") = "5"
    & skf18("1","6","1","1","6","4","1") = "5"
    & skf18("1","6","1","1","6","5","1") = "5"
    & skf18("1","6","1","1","6","6","1") = "5"
    & skf18("1","6","1","1","6","7","1") = "6"
    & skf18("1","6","1","1","6","8","1") = "7"
    & skf18("1","6","1","1","6","9","1") = "8"
    & skf18("1","6","1","1","6","10","1") = "9"
    & skf18("1","6","1","1","7","1","1") = "6"
    & skf18("1","6","1","1","7","2","1") = "6"
    & skf18("1","6","1","1","7","3","1") = "6"
    & skf18("1","6","1","1","7","4","1") = "6"
    & skf18("1","6","1","1","7","5","1") = "6"
    & skf18("1","6","1","1","7","6","1") = "6"
    & skf18("1","6","1","1","7","7","1") = "6"
    & skf18("1","6","1","1","7","8","1") = "7"
    & skf18("1","6","1","1","7","9","1") = "8"
    & skf18("1","6","1","1","7","10","1") = "9"
    & skf18("1","6","1","1","8","1","1") = "7"
    & skf18("1","6","1","1","8","2","1") = "7"
    & skf18("1","6","1","1","8","3","1") = "7"
    & skf18("1","6","1","1","8","4","1") = "7"
    & skf18("1","6","1","1","8","5","1") = "7"
    & skf18("1","6","1","1","8","6","1") = "7"
    & skf18("1","6","1","1","8","7","1") = "7"
    & skf18("1","6","1","1","8","8","1") = "7"
    & skf18("1","6","1","1","8","9","1") = "8"
    & skf18("1","6","1","1","8","10","1") = "9"
    & skf18("1","6","1","1","9","1","1") = "8"
    & skf18("1","6","1","1","9","2","1") = "8"
    & skf18("1","6","1","1","9","3","1") = "8"
    & skf18("1","6","1","1","9","4","1") = "8"
    & skf18("1","6","1","1","9","5","1") = "8"
    & skf18("1","6","1","1","9","6","1") = "8"
    & skf18("1","6","1","1","9","7","1") = "8"
    & skf18("1","6","1","1","9","8","1") = "8"
    & skf18("1","6","1","1","9","9","1") = "8"
    & skf18("1","6","1","1","9","10","1") = "9"
    & skf18("1","6","1","1","10","1","1") = "9"
    & skf18("1","6","1","1","10","2","1") = "9"
    & skf18("1","6","1","1","10","3","1") = "9"
    & skf18("1","6","1","1","10","4","1") = "9"
    & skf18("1","6","1","1","10","5","1") = "9"
    & skf18("1","6","1","1","10","6","1") = "9"
    & skf18("1","6","1","1","10","7","1") = "9"
    & skf18("1","6","1","1","10","8","1") = "9"
    & skf18("1","6","1","1","10","9","1") = "9"
    & skf18("1","6","1","1","10","10","1") = "9"
    & skf18("1","6","1","2","1","1","1") = "5"
    & skf18("1","6","1","2","1","2","1") = "5"
    & skf18("1","6","1","2","1","3","1") = "5"
    & skf18("1","6","1","2","1","4","1") = "5"
    & skf18("1","6","1","2","1","5","1") = "5"
    & skf18("1","6","1","2","1","6","1") = "5"
    & skf18("1","6","1","2","1","7","1") = "6"
    & skf18("1","6","1","2","1","8","1") = "7"
    & skf18("1","6","1","2","1","9","1") = "8"
    & skf18("1","6","1","2","1","10","1") = "9"
    & skf18("1","6","1","2","2","1","1") = "5"
    & skf18("1","6","1","2","2","2","1") = "5"
    & skf18("1","6","1","2","2","3","1") = "5"
    & skf18("1","6","1","2","2","4","1") = "5"
    & skf18("1","6","1","2","2","5","1") = "5"
    & skf18("1","6","1","2","2","6","1") = "5"
    & skf18("1","6","1","2","2","7","1") = "6"
    & skf18("1","6","1","2","2","8","1") = "7"
    & skf18("1","6","1","2","2","9","1") = "8"
    & skf18("1","6","1","2","2","10","1") = "9"
    & skf18("1","6","1","2","3","1","1") = "5"
    & skf18("1","6","1","2","3","2","1") = "5"
    & skf18("1","6","1","2","3","3","1") = "5"
    & skf18("1","6","1","2","3","4","1") = "5"
    & skf18("1","6","1","2","3","5","1") = "5"
    & skf18("1","6","1","2","3","6","1") = "5"
    & skf18("1","6","1","2","3","7","1") = "6"
    & skf18("1","6","1","2","3","8","1") = "7"
    & skf18("1","6","1","2","3","9","1") = "8"
    & skf18("1","6","1","2","3","10","1") = "9"
    & skf18("1","6","1","2","4","1","1") = "5"
    & skf18("1","6","1","2","4","2","1") = "5"
    & skf18("1","6","1","2","4","3","1") = "5"
    & skf18("1","6","1","2","4","4","1") = "5"
    & skf18("1","6","1","2","4","5","1") = "5"
    & skf18("1","6","1","2","4","6","1") = "5"
    & skf18("1","6","1","2","4","7","1") = "6"
    & skf18("1","6","1","2","4","8","1") = "7"
    & skf18("1","6","1","2","4","9","1") = "8"
    & skf18("1","6","1","2","4","10","1") = "9"
    & skf18("1","6","1","2","5","1","1") = "5"
    & skf18("1","6","1","2","5","2","1") = "5"
    & skf18("1","6","1","2","5","3","1") = "5"
    & skf18("1","6","1","2","5","4","1") = "5"
    & skf18("1","6","1","2","5","5","1") = "5"
    & skf18("1","6","1","2","5","6","1") = "5"
    & skf18("1","6","1","2","5","7","1") = "6"
    & skf18("1","6","1","2","5","8","1") = "7"
    & skf18("1","6","1","2","5","9","1") = "8"
    & skf18("1","6","1","2","5","10","1") = "9"
    & skf18("1","6","1","2","6","1","1") = "5"
    & skf18("1","6","1","2","6","2","1") = "5"
    & skf18("1","6","1","2","6","3","1") = "5"
    & skf18("1","6","1","2","6","4","1") = "5"
    & skf18("1","6","1","2","6","5","1") = "5"
    & skf18("1","6","1","2","6","6","1") = "5"
    & skf18("1","6","1","2","6","7","1") = "6"
    & skf18("1","6","1","2","6","8","1") = "7"
    & skf18("1","6","1","2","6","9","1") = "8"
    & skf18("1","6","1","2","6","10","1") = "9"
    & skf18("1","6","1","2","7","1","1") = "6"
    & skf18("1","6","1","2","7","2","1") = "6"
    & skf18("1","6","1","2","7","3","1") = "6"
    & skf18("1","6","1","2","7","4","1") = "6"
    & skf18("1","6","1","2","7","5","1") = "6"
    & skf18("1","6","1","2","7","6","1") = "6"
    & skf18("1","6","1","2","7","7","1") = "6"
    & skf18("1","6","1","2","7","8","1") = "7"
    & skf18("1","6","1","2","7","9","1") = "8"
    & skf18("1","6","1","2","7","10","1") = "9"
    & skf18("1","6","1","2","8","1","1") = "7"
    & skf18("1","6","1","2","8","2","1") = "7"
    & skf18("1","6","1","2","8","3","1") = "7"
    & skf18("1","6","1","2","8","4","1") = "7"
    & skf18("1","6","1","2","8","5","1") = "7"
    & skf18("1","6","1","2","8","6","1") = "7"
    & skf18("1","6","1","2","8","7","1") = "7"
    & skf18("1","6","1","2","8","8","1") = "7"
    & skf18("1","6","1","2","8","9","1") = "8"
    & skf18("1","6","1","2","8","10","1") = "9"
    & skf18("1","6","1","2","9","1","1") = "8"
    & skf18("1","6","1","2","9","2","1") = "8"
    & skf18("1","6","1","2","9","3","1") = "8"
    & skf18("1","6","1","2","9","4","1") = "8"
    & skf18("1","6","1","2","9","5","1") = "8"
    & skf18("1","6","1","2","9","6","1") = "8"
    & skf18("1","6","1","2","9","7","1") = "8"
    & skf18("1","6","1","2","9","8","1") = "8"
    & skf18("1","6","1","2","9","9","1") = "8"
    & skf18("1","6","1","2","9","10","1") = "9"
    & skf18("1","6","1","2","10","1","1") = "9"
    & skf18("1","6","1","2","10","2","1") = "9"
    & skf18("1","6","1","2","10","3","1") = "9"
    & skf18("1","6","1","2","10","4","1") = "9"
    & skf18("1","6","1","2","10","5","1") = "9"
    & skf18("1","6","1","2","10","6","1") = "9"
    & skf18("1","6","1","2","10","7","1") = "9"
    & skf18("1","6","1","2","10","8","1") = "9"
    & skf18("1","6","1","2","10","9","1") = "9"
    & skf18("1","6","1","2","10","10","1") = "9"
    & skf18("1","6","1","3","1","1","1") = "5"
    & skf18("1","6","1","3","1","2","1") = "5"
    & skf18("1","6","1","3","1","3","1") = "5"
    & skf18("1","6","1","3","1","4","1") = "5"
    & skf18("1","6","1","3","1","5","1") = "5"
    & skf18("1","6","1","3","1","6","1") = "5"
    & skf18("1","6","1","3","1","7","1") = "6"
    & skf18("1","6","1","3","1","8","1") = "7"
    & skf18("1","6","1","3","1","9","1") = "8"
    & skf18("1","6","1","3","1","10","1") = "9"
    & skf18("1","6","1","3","2","1","1") = "5"
    & skf18("1","6","1","3","2","2","1") = "5"
    & skf18("1","6","1","3","2","3","1") = "5"
    & skf18("1","6","1","3","2","4","1") = "5"
    & skf18("1","6","1","3","2","5","1") = "5"
    & skf18("1","6","1","3","2","6","1") = "5"
    & skf18("1","6","1","3","2","7","1") = "6"
    & skf18("1","6","1","3","2","8","1") = "7"
    & skf18("1","6","1","3","2","9","1") = "8"
    & skf18("1","6","1","3","2","10","1") = "9"
    & skf18("1","6","1","3","3","1","1") = "5"
    & skf18("1","6","1","3","3","2","1") = "5"
    & skf18("1","6","1","3","3","3","1") = "5"
    & skf18("1","6","1","3","3","4","1") = "5"
    & skf18("1","6","1","3","3","5","1") = "5"
    & skf18("1","6","1","3","3","6","1") = "5"
    & skf18("1","6","1","3","3","7","1") = "6"
    & skf18("1","6","1","3","3","8","1") = "7"
    & skf18("1","6","1","3","3","9","1") = "8"
    & skf18("1","6","1","3","3","10","1") = "9"
    & skf18("1","6","1","3","4","1","1") = "5"
    & skf18("1","6","1","3","4","2","1") = "5"
    & skf18("1","6","1","3","4","3","1") = "5"
    & skf18("1","6","1","3","4","4","1") = "5"
    & skf18("1","6","1","3","4","5","1") = "5"
    & skf18("1","6","1","3","4","6","1") = "5"
    & skf18("1","6","1","3","4","7","1") = "6"
    & skf18("1","6","1","3","4","8","1") = "7"
    & skf18("1","6","1","3","4","9","1") = "8"
    & skf18("1","6","1","3","4","10","1") = "9"
    & skf18("1","6","1","3","5","1","1") = "5"
    & skf18("1","6","1","3","5","2","1") = "5"
    & skf18("1","6","1","3","5","3","1") = "5"
    & skf18("1","6","1","3","5","4","1") = "5"
    & skf18("1","6","1","3","5","5","1") = "5"
    & skf18("1","6","1","3","5","6","1") = "5"
    & skf18("1","6","1","3","5","7","1") = "6"
    & skf18("1","6","1","3","5","8","1") = "7"
    & skf18("1","6","1","3","5","9","1") = "8"
    & skf18("1","6","1","3","5","10","1") = "9"
    & skf18("1","6","1","3","6","1","1") = "5"
    & skf18("1","6","1","3","6","2","1") = "5"
    & skf18("1","6","1","3","6","3","1") = "5"
    & skf18("1","6","1","3","6","4","1") = "5"
    & skf18("1","6","1","3","6","5","1") = "5"
    & skf18("1","6","1","3","6","6","1") = "5"
    & skf18("1","6","1","3","6","7","1") = "6"
    & skf18("1","6","1","3","6","8","1") = "7"
    & skf18("1","6","1","3","6","9","1") = "8"
    & skf18("1","6","1","3","6","10","1") = "9"
    & skf18("1","6","1","3","7","1","1") = "6"
    & skf18("1","6","1","3","7","2","1") = "6"
    & skf18("1","6","1","3","7","3","1") = "6"
    & skf18("1","6","1","3","7","4","1") = "6"
    & skf18("1","6","1","3","7","5","1") = "6"
    & skf18("1","6","1","3","7","6","1") = "6"
    & skf18("1","6","1","3","7","7","1") = "6"
    & skf18("1","6","1","3","7","8","1") = "7"
    & skf18("1","6","1","3","7","9","1") = "8"
    & skf18("1","6","1","3","7","10","1") = "9"
    & skf18("1","6","1","3","8","1","1") = "7"
    & skf18("1","6","1","3","8","2","1") = "7"
    & skf18("1","6","1","3","8","3","1") = "7"
    & skf18("1","6","1","3","8","4","1") = "7"
    & skf18("1","6","1","3","8","5","1") = "7"
    & skf18("1","6","1","3","8","6","1") = "7"
    & skf18("1","6","1","3","8","7","1") = "7"
    & skf18("1","6","1","3","8","8","1") = "7"
    & skf18("1","6","1","3","8","9","1") = "8"
    & skf18("1","6","1","3","8","10","1") = "9"
    & skf18("1","6","1","3","9","1","1") = "8"
    & skf18("1","6","1","3","9","2","1") = "8"
    & skf18("1","6","1","3","9","3","1") = "8"
    & skf18("1","6","1","3","9","4","1") = "8"
    & skf18("1","6","1","3","9","5","1") = "8"
    & skf18("1","6","1","3","9","6","1") = "8"
    & skf18("1","6","1","3","9","7","1") = "8"
    & skf18("1","6","1","3","9","8","1") = "8"
    & skf18("1","6","1","3","9","9","1") = "8"
    & skf18("1","6","1","3","9","10","1") = "9"
    & skf18("1","6","1","3","10","1","1") = "9"
    & skf18("1","6","1","3","10","2","1") = "9"
    & skf18("1","6","1","3","10","3","1") = "9"
    & skf18("1","6","1","3","10","4","1") = "9"
    & skf18("1","6","1","3","10","5","1") = "9"
    & skf18("1","6","1","3","10","6","1") = "9"
    & skf18("1","6","1","3","10","7","1") = "9"
    & skf18("1","6","1","3","10","8","1") = "9"
    & skf18("1","6","1","3","10","9","1") = "9"
    & skf18("1","6","1","3","10","10","1") = "9"
    & skf18("1","6","1","4","1","1","1") = "5"
    & skf18("1","6","1","4","1","2","1") = "5"
    & skf18("1","6","1","4","1","3","1") = "5"
    & skf18("1","6","1","4","1","4","1") = "5"
    & skf18("1","6","1","4","1","5","1") = "5"
    & skf18("1","6","1","4","1","6","1") = "5"
    & skf18("1","6","1","4","1","7","1") = "6"
    & skf18("1","6","1","4","1","8","1") = "7"
    & skf18("1","6","1","4","1","9","1") = "8"
    & skf18("1","6","1","4","1","10","1") = "9"
    & skf18("1","6","1","4","2","1","1") = "5"
    & skf18("1","6","1","4","2","2","1") = "5"
    & skf18("1","6","1","4","2","3","1") = "5"
    & skf18("1","6","1","4","2","4","1") = "5"
    & skf18("1","6","1","4","2","5","1") = "5"
    & skf18("1","6","1","4","2","6","1") = "5"
    & skf18("1","6","1","4","2","7","1") = "6"
    & skf18("1","6","1","4","2","8","1") = "7"
    & skf18("1","6","1","4","2","9","1") = "8"
    & skf18("1","6","1","4","2","10","1") = "9"
    & skf18("1","6","1","4","3","1","1") = "5"
    & skf18("1","6","1","4","3","2","1") = "5"
    & skf18("1","6","1","4","3","3","1") = "5"
    & skf18("1","6","1","4","3","4","1") = "5"
    & skf18("1","6","1","4","3","5","1") = "5"
    & skf18("1","6","1","4","3","6","1") = "5"
    & skf18("1","6","1","4","3","7","1") = "6"
    & skf18("1","6","1","4","3","8","1") = "7"
    & skf18("1","6","1","4","3","9","1") = "8"
    & skf18("1","6","1","4","3","10","1") = "9"
    & skf18("1","6","1","4","4","1","1") = "5"
    & skf18("1","6","1","4","4","2","1") = "5"
    & skf18("1","6","1","4","4","3","1") = "5"
    & skf18("1","6","1","4","4","4","1") = "5"
    & skf18("1","6","1","4","4","5","1") = "5"
    & skf18("1","6","1","4","4","6","1") = "5"
    & skf18("1","6","1","4","4","7","1") = "6"
    & skf18("1","6","1","4","4","8","1") = "7"
    & skf18("1","6","1","4","4","9","1") = "8"
    & skf18("1","6","1","4","4","10","1") = "9"
    & skf18("1","6","1","4","5","1","1") = "5"
    & skf18("1","6","1","4","5","2","1") = "5"
    & skf18("1","6","1","4","5","3","1") = "5"
    & skf18("1","6","1","4","5","4","1") = "5"
    & skf18("1","6","1","4","5","5","1") = "5"
    & skf18("1","6","1","4","5","6","1") = "5"
    & skf18("1","6","1","4","5","7","1") = "6"
    & skf18("1","6","1","4","5","8","1") = "7"
    & skf18("1","6","1","4","5","9","1") = "8"
    & skf18("1","6","1","4","5","10","1") = "9"
    & skf18("1","6","1","4","6","1","1") = "5"
    & skf18("1","6","1","4","6","2","1") = "5"
    & skf18("1","6","1","4","6","3","1") = "5"
    & skf18("1","6","1","4","6","4","1") = "5"
    & skf18("1","6","1","4","6","5","1") = "5"
    & skf18("1","6","1","4","6","6","1") = "5"
    & skf18("1","6","1","4","6","7","1") = "6"
    & skf18("1","6","1","4","6","8","1") = "7"
    & skf18("1","6","1","4","6","9","1") = "8"
    & skf18("1","6","1","4","6","10","1") = "9"
    & skf18("1","6","1","4","7","1","1") = "6"
    & skf18("1","6","1","4","7","2","1") = "6"
    & skf18("1","6","1","4","7","3","1") = "6"
    & skf18("1","6","1","4","7","4","1") = "6"
    & skf18("1","6","1","4","7","5","1") = "6"
    & skf18("1","6","1","4","7","6","1") = "6"
    & skf18("1","6","1","4","7","7","1") = "6"
    & skf18("1","6","1","4","7","8","1") = "7"
    & skf18("1","6","1","4","7","9","1") = "8"
    & skf18("1","6","1","4","7","10","1") = "9"
    & skf18("1","6","1","4","8","1","1") = "7"
    & skf18("1","6","1","4","8","2","1") = "7"
    & skf18("1","6","1","4","8","3","1") = "7"
    & skf18("1","6","1","4","8","4","1") = "7"
    & skf18("1","6","1","4","8","5","1") = "7"
    & skf18("1","6","1","4","8","6","1") = "7"
    & skf18("1","6","1","4","8","7","1") = "7"
    & skf18("1","6","1","4","8","8","1") = "7"
    & skf18("1","6","1","4","8","9","1") = "8"
    & skf18("1","6","1","4","8","10","1") = "9"
    & skf18("1","6","1","4","9","1","1") = "8"
    & skf18("1","6","1","4","9","2","1") = "8"
    & skf18("1","6","1","4","9","3","1") = "8"
    & skf18("1","6","1","4","9","4","1") = "8"
    & skf18("1","6","1","4","9","5","1") = "8"
    & skf18("1","6","1","4","9","6","1") = "8"
    & skf18("1","6","1","4","9","7","1") = "8"
    & skf18("1","6","1","4","9","8","1") = "8"
    & skf18("1","6","1","4","9","9","1") = "8"
    & skf18("1","6","1","4","9","10","1") = "9"
    & skf18("1","6","1","4","10","1","1") = "9"
    & skf18("1","6","1","4","10","2","1") = "9"
    & skf18("1","6","1","4","10","3","1") = "9"
    & skf18("1","6","1","4","10","4","1") = "9"
    & skf18("1","6","1","4","10","5","1") = "9"
    & skf18("1","6","1","4","10","6","1") = "9"
    & skf18("1","6","1","4","10","7","1") = "9"
    & skf18("1","6","1","4","10","8","1") = "9"
    & skf18("1","6","1","4","10","9","1") = "9"
    & skf18("1","6","1","4","10","10","1") = "9"
    & skf18("1","6","1","5","1","1","1") = "5"
    & skf18("1","6","1","5","1","2","1") = "5"
    & skf18("1","6","1","5","1","3","1") = "5"
    & skf18("1","6","1","5","1","4","1") = "5"
    & skf18("1","6","1","5","1","5","1") = "5"
    & skf18("1","6","1","5","1","6","1") = "5"
    & skf18("1","6","1","5","1","7","1") = "6"
    & skf18("1","6","1","5","1","8","1") = "7"
    & skf18("1","6","1","5","1","9","1") = "8"
    & skf18("1","6","1","5","1","10","1") = "9"
    & skf18("1","6","1","5","2","1","1") = "5"
    & skf18("1","6","1","5","2","2","1") = "5"
    & skf18("1","6","1","5","2","3","1") = "5"
    & skf18("1","6","1","5","2","4","1") = "5"
    & skf18("1","6","1","5","2","5","1") = "5"
    & skf18("1","6","1","5","2","6","1") = "5"
    & skf18("1","6","1","5","2","7","1") = "6"
    & skf18("1","6","1","5","2","8","1") = "7"
    & skf18("1","6","1","5","2","9","1") = "8"
    & skf18("1","6","1","5","2","10","1") = "9"
    & skf18("1","6","1","5","3","1","1") = "5"
    & skf18("1","6","1","5","3","2","1") = "5"
    & skf18("1","6","1","5","3","3","1") = "5"
    & skf18("1","6","1","5","3","4","1") = "5"
    & skf18("1","6","1","5","3","5","1") = "5"
    & skf18("1","6","1","5","3","6","1") = "5"
    & skf18("1","6","1","5","3","7","1") = "6"
    & skf18("1","6","1","5","3","8","1") = "7"
    & skf18("1","6","1","5","3","9","1") = "8"
    & skf18("1","6","1","5","3","10","1") = "9"
    & skf18("1","6","1","5","4","1","1") = "5"
    & skf18("1","6","1","5","4","2","1") = "5"
    & skf18("1","6","1","5","4","3","1") = "5"
    & skf18("1","6","1","5","4","4","1") = "5"
    & skf18("1","6","1","5","4","5","1") = "5"
    & skf18("1","6","1","5","4","6","1") = "5"
    & skf18("1","6","1","5","4","7","1") = "6"
    & skf18("1","6","1","5","4","8","1") = "7"
    & skf18("1","6","1","5","4","9","1") = "8"
    & skf18("1","6","1","5","4","10","1") = "9"
    & skf18("1","6","1","5","5","1","1") = "5"
    & skf18("1","6","1","5","5","2","1") = "5"
    & skf18("1","6","1","5","5","3","1") = "5"
    & skf18("1","6","1","5","5","4","1") = "5"
    & skf18("1","6","1","5","5","5","1") = "5"
    & skf18("1","6","1","5","5","6","1") = "5"
    & skf18("1","6","1","5","5","7","1") = "6"
    & skf18("1","6","1","5","5","8","1") = "7"
    & skf18("1","6","1","5","5","9","1") = "8"
    & skf18("1","6","1","5","5","10","1") = "9"
    & skf18("1","6","1","5","6","1","1") = "5"
    & skf18("1","6","1","5","6","2","1") = "5"
    & skf18("1","6","1","5","6","3","1") = "5"
    & skf18("1","6","1","5","6","4","1") = "5"
    & skf18("1","6","1","5","6","5","1") = "5"
    & skf18("1","6","1","5","6","6","1") = "5"
    & skf18("1","6","1","5","6","7","1") = "6"
    & skf18("1","6","1","5","6","8","1") = "7"
    & skf18("1","6","1","5","6","9","1") = "8"
    & skf18("1","6","1","5","6","10","1") = "9"
    & skf18("1","6","1","5","7","1","1") = "6"
    & skf18("1","6","1","5","7","2","1") = "6"
    & skf18("1","6","1","5","7","3","1") = "6"
    & skf18("1","6","1","5","7","4","1") = "6"
    & skf18("1","6","1","5","7","5","1") = "6"
    & skf18("1","6","1","5","7","6","1") = "6"
    & skf18("1","6","1","5","7","7","1") = "6"
    & skf18("1","6","1","5","7","8","1") = "7"
    & skf18("1","6","1","5","7","9","1") = "8"
    & skf18("1","6","1","5","7","10","1") = "9"
    & skf18("1","6","1","5","8","1","1") = "7"
    & skf18("1","6","1","5","8","2","1") = "7"
    & skf18("1","6","1","5","8","3","1") = "7"
    & skf18("1","6","1","5","8","4","1") = "7"
    & skf18("1","6","1","5","8","5","1") = "7"
    & skf18("1","6","1","5","8","6","1") = "7"
    & skf18("1","6","1","5","8","7","1") = "7"
    & skf18("1","6","1","5","8","8","1") = "7"
    & skf18("1","6","1","5","8","9","1") = "8"
    & skf18("1","6","1","5","8","10","1") = "9"
    & skf18("1","6","1","5","9","1","1") = "8"
    & skf18("1","6","1","5","9","2","1") = "8"
    & skf18("1","6","1","5","9","3","1") = "8"
    & skf18("1","6","1","5","9","4","1") = "8"
    & skf18("1","6","1","5","9","5","1") = "8"
    & skf18("1","6","1","5","9","6","1") = "8"
    & skf18("1","6","1","5","9","7","1") = "8"
    & skf18("1","6","1","5","9","8","1") = "8"
    & skf18("1","6","1","5","9","9","1") = "8"
    & skf18("1","6","1","5","9","10","1") = "9"
    & skf18("1","6","1","5","10","1","1") = "9"
    & skf18("1","6","1","5","10","2","1") = "9"
    & skf18("1","6","1","5","10","3","1") = "9"
    & skf18("1","6","1","5","10","4","1") = "9"
    & skf18("1","6","1","5","10","5","1") = "9"
    & skf18("1","6","1","5","10","6","1") = "9"
    & skf18("1","6","1","5","10","7","1") = "9"
    & skf18("1","6","1","5","10","8","1") = "9"
    & skf18("1","6","1","5","10","9","1") = "9"
    & skf18("1","6","1","5","10","10","1") = "9"
    & skf18("1","6","1","6","1","1","1") = "5"
    & skf18("1","6","1","6","1","2","1") = "5"
    & skf18("1","6","1","6","1","3","1") = "5"
    & skf18("1","6","1","6","1","4","1") = "5"
    & skf18("1","6","1","6","1","5","1") = "5"
    & skf18("1","6","1","6","1","6","1") = "5"
    & skf18("1","6","1","6","1","7","1") = "6"
    & skf18("1","6","1","6","1","8","1") = "7"
    & skf18("1","6","1","6","1","9","1") = "8"
    & skf18("1","6","1","6","1","10","1") = "9"
    & skf18("1","6","1","6","2","1","1") = "5"
    & skf18("1","6","1","6","2","2","1") = "5"
    & skf18("1","6","1","6","2","3","1") = "5"
    & skf18("1","6","1","6","2","4","1") = "5"
    & skf18("1","6","1","6","2","5","1") = "5"
    & skf18("1","6","1","6","2","6","1") = "5"
    & skf18("1","6","1","6","2","7","1") = "6"
    & skf18("1","6","1","6","2","8","1") = "7"
    & skf18("1","6","1","6","2","9","1") = "8"
    & skf18("1","6","1","6","2","10","1") = "9"
    & skf18("1","6","1","6","3","1","1") = "5"
    & skf18("1","6","1","6","3","2","1") = "5"
    & skf18("1","6","1","6","3","3","1") = "5"
    & skf18("1","6","1","6","3","4","1") = "5"
    & skf18("1","6","1","6","3","5","1") = "5"
    & skf18("1","6","1","6","3","6","1") = "5"
    & skf18("1","6","1","6","3","7","1") = "6"
    & skf18("1","6","1","6","3","8","1") = "7"
    & skf18("1","6","1","6","3","9","1") = "8"
    & skf18("1","6","1","6","3","10","1") = "9"
    & skf18("1","6","1","6","4","1","1") = "5"
    & skf18("1","6","1","6","4","2","1") = "5"
    & skf18("1","6","1","6","4","3","1") = "5"
    & skf18("1","6","1","6","4","4","1") = "5"
    & skf18("1","6","1","6","4","5","1") = "5"
    & skf18("1","6","1","6","4","6","1") = "5"
    & skf18("1","6","1","6","4","7","1") = "6"
    & skf18("1","6","1","6","4","8","1") = "7"
    & skf18("1","6","1","6","4","9","1") = "8"
    & skf18("1","6","1","6","4","10","1") = "9"
    & skf18("1","6","1","6","5","1","1") = "5"
    & skf18("1","6","1","6","5","2","1") = "5"
    & skf18("1","6","1","6","5","3","1") = "5"
    & skf18("1","6","1","6","5","4","1") = "5"
    & skf18("1","6","1","6","5","5","1") = "5"
    & skf18("1","6","1","6","5","6","1") = "5"
    & skf18("1","6","1","6","5","7","1") = "6"
    & skf18("1","6","1","6","5","8","1") = "7"
    & skf18("1","6","1","6","5","9","1") = "8"
    & skf18("1","6","1","6","5","10","1") = "9"
    & skf18("1","6","1","6","6","1","1") = "5"
    & skf18("1","6","1","6","6","2","1") = "5"
    & skf18("1","6","1","6","6","3","1") = "5"
    & skf18("1","6","1","6","6","4","1") = "5"
    & skf18("1","6","1","6","6","5","1") = "5"
    & skf18("1","6","1","6","6","6","1") = "5"
    & skf18("1","6","1","6","6","7","1") = "6"
    & skf18("1","6","1","6","6","8","1") = "7"
    & skf18("1","6","1","6","6","9","1") = "8"
    & skf18("1","6","1","6","6","10","1") = "9"
    & skf18("1","6","1","6","7","1","1") = "6"
    & skf18("1","6","1","6","7","2","1") = "6"
    & skf18("1","6","1","6","7","3","1") = "6"
    & skf18("1","6","1","6","7","4","1") = "6"
    & skf18("1","6","1","6","7","5","1") = "6"
    & skf18("1","6","1","6","7","6","1") = "6"
    & skf18("1","6","1","6","7","7","1") = "6"
    & skf18("1","6","1","6","7","8","1") = "7"
    & skf18("1","6","1","6","7","9","1") = "8"
    & skf18("1","6","1","6","7","10","1") = "9"
    & skf18("1","6","1","6","8","1","1") = "7"
    & skf18("1","6","1","6","8","2","1") = "7"
    & skf18("1","6","1","6","8","3","1") = "7"
    & skf18("1","6","1","6","8","4","1") = "7"
    & skf18("1","6","1","6","8","5","1") = "7"
    & skf18("1","6","1","6","8","6","1") = "7"
    & skf18("1","6","1","6","8","7","1") = "7"
    & skf18("1","6","1","6","8","8","1") = "7"
    & skf18("1","6","1","6","8","9","1") = "8"
    & skf18("1","6","1","6","8","10","1") = "9"
    & skf18("1","6","1","6","9","1","1") = "8"
    & skf18("1","6","1","6","9","2","1") = "8"
    & skf18("1","6","1","6","9","3","1") = "8"
    & skf18("1","6","1","6","9","4","1") = "8"
    & skf18("1","6","1","6","9","5","1") = "8"
    & skf18("1","6","1","6","9","6","1") = "8"
    & skf18("1","6","1","6","9","7","1") = "8"
    & skf18("1","6","1","6","9","8","1") = "8"
    & skf18("1","6","1","6","9","9","1") = "8"
    & skf18("1","6","1","6","9","10","1") = "9"
    & skf18("1","6","1","6","10","1","1") = "9"
    & skf18("1","6","1","6","10","2","1") = "9"
    & skf18("1","6","1","6","10","3","1") = "9"
    & skf18("1","6","1","6","10","4","1") = "9"
    & skf18("1","6","1","6","10","5","1") = "9"
    & skf18("1","6","1","6","10","6","1") = "9"
    & skf18("1","6","1","6","10","7","1") = "9"
    & skf18("1","6","1","6","10","8","1") = "9"
    & skf18("1","6","1","6","10","9","1") = "9"
    & skf18("1","6","1","6","10","10","1") = "9"
    & skf18("1","6","1","7","1","1","1") = "6"
    & skf18("1","6","1","7","1","2","1") = "6"
    & skf18("1","6","1","7","1","3","1") = "6"
    & skf18("1","6","1","7","1","4","1") = "6"
    & skf18("1","6","1","7","1","5","1") = "6"
    & skf18("1","6","1","7","1","6","1") = "6"
    & skf18("1","6","1","7","1","7","1") = "6"
    & skf18("1","6","1","7","1","8","1") = "7"
    & skf18("1","6","1","7","1","9","1") = "8"
    & skf18("1","6","1","7","1","10","1") = "9"
    & skf18("1","6","1","7","2","1","1") = "6"
    & skf18("1","6","1","7","2","2","1") = "6"
    & skf18("1","6","1","7","2","3","1") = "6"
    & skf18("1","6","1","7","2","4","1") = "6"
    & skf18("1","6","1","7","2","5","1") = "6"
    & skf18("1","6","1","7","2","6","1") = "6"
    & skf18("1","6","1","7","2","7","1") = "6"
    & skf18("1","6","1","7","2","8","1") = "7"
    & skf18("1","6","1","7","2","9","1") = "8"
    & skf18("1","6","1","7","2","10","1") = "9"
    & skf18("1","6","1","7","3","1","1") = "6"
    & skf18("1","6","1","7","3","2","1") = "6"
    & skf18("1","6","1","7","3","3","1") = "6"
    & skf18("1","6","1","7","3","4","1") = "6"
    & skf18("1","6","1","7","3","5","1") = "6"
    & skf18("1","6","1","7","3","6","1") = "6"
    & skf18("1","6","1","7","3","7","1") = "6"
    & skf18("1","6","1","7","3","8","1") = "7"
    & skf18("1","6","1","7","3","9","1") = "8"
    & skf18("1","6","1","7","3","10","1") = "9"
    & skf18("1","6","1","7","4","1","1") = "6"
    & skf18("1","6","1","7","4","2","1") = "6"
    & skf18("1","6","1","7","4","3","1") = "6"
    & skf18("1","6","1","7","4","4","1") = "6"
    & skf18("1","6","1","7","4","5","1") = "6"
    & skf18("1","6","1","7","4","6","1") = "6"
    & skf18("1","6","1","7","4","7","1") = "6"
    & skf18("1","6","1","7","4","8","1") = "7"
    & skf18("1","6","1","7","4","9","1") = "8"
    & skf18("1","6","1","7","4","10","1") = "9"
    & skf18("1","6","1","7","5","1","1") = "6"
    & skf18("1","6","1","7","5","2","1") = "6"
    & skf18("1","6","1","7","5","3","1") = "6"
    & skf18("1","6","1","7","5","4","1") = "6"
    & skf18("1","6","1","7","5","5","1") = "6"
    & skf18("1","6","1","7","5","6","1") = "6"
    & skf18("1","6","1","7","5","7","1") = "6"
    & skf18("1","6","1","7","5","8","1") = "7"
    & skf18("1","6","1","7","5","9","1") = "8"
    & skf18("1","6","1","7","5","10","1") = "9"
    & skf18("1","6","1","7","6","1","1") = "6"
    & skf18("1","6","1","7","6","2","1") = "6"
    & skf18("1","6","1","7","6","3","1") = "6"
    & skf18("1","6","1","7","6","4","1") = "6"
    & skf18("1","6","1","7","6","5","1") = "6"
    & skf18("1","6","1","7","6","6","1") = "6"
    & skf18("1","6","1","7","6","7","1") = "6"
    & skf18("1","6","1","7","6","8","1") = "7"
    & skf18("1","6","1","7","6","9","1") = "8"
    & skf18("1","6","1","7","6","10","1") = "9"
    & skf18("1","6","1","7","7","1","1") = "6"
    & skf18("1","6","1","7","7","2","1") = "6"
    & skf18("1","6","1","7","7","3","1") = "6"
    & skf18("1","6","1","7","7","4","1") = "6"
    & skf18("1","6","1","7","7","5","1") = "6"
    & skf18("1","6","1","7","7","6","1") = "6"
    & skf18("1","6","1","7","7","7","1") = "6"
    & skf18("1","6","1","7","7","8","1") = "7"
    & skf18("1","6","1","7","7","9","1") = "8"
    & skf18("1","6","1","7","7","10","1") = "9"
    & skf18("1","6","1","7","8","1","1") = "7"
    & skf18("1","6","1","7","8","2","1") = "7"
    & skf18("1","6","1","7","8","3","1") = "7"
    & skf18("1","6","1","7","8","4","1") = "7"
    & skf18("1","6","1","7","8","5","1") = "7"
    & skf18("1","6","1","7","8","6","1") = "7"
    & skf18("1","6","1","7","8","7","1") = "7"
    & skf18("1","6","1","7","8","8","1") = "7"
    & skf18("1","6","1","7","8","9","1") = "8"
    & skf18("1","6","1","7","8","10","1") = "9"
    & skf18("1","6","1","7","9","1","1") = "8"
    & skf18("1","6","1","7","9","2","1") = "8"
    & skf18("1","6","1","7","9","3","1") = "8"
    & skf18("1","6","1","7","9","4","1") = "8"
    & skf18("1","6","1","7","9","5","1") = "8"
    & skf18("1","6","1","7","9","6","1") = "8"
    & skf18("1","6","1","7","9","7","1") = "8"
    & skf18("1","6","1","7","9","8","1") = "8"
    & skf18("1","6","1","7","9","9","1") = "8"
    & skf18("1","6","1","7","9","10","1") = "9"
    & skf18("1","6","1","7","10","1","1") = "9"
    & skf18("1","6","1","7","10","2","1") = "9"
    & skf18("1","6","1","7","10","3","1") = "9"
    & skf18("1","6","1","7","10","4","1") = "9"
    & skf18("1","6","1","7","10","5","1") = "9"
    & skf18("1","6","1","7","10","6","1") = "9"
    & skf18("1","6","1","7","10","7","1") = "9"
    & skf18("1","6","1","7","10","8","1") = "9"
    & skf18("1","6","1","7","10","9","1") = "9"
    & skf18("1","6","1","7","10","10","1") = "9"
    & skf18("1","6","1","8","1","1","1") = "7"
    & skf18("1","6","1","8","1","2","1") = "7"
    & skf18("1","6","1","8","1","3","1") = "7"
    & skf18("1","6","1","8","1","4","1") = "7"
    & skf18("1","6","1","8","1","5","1") = "7"
    & skf18("1","6","1","8","1","6","1") = "7"
    & skf18("1","6","1","8","1","7","1") = "7"
    & skf18("1","6","1","8","1","8","1") = "7"
    & skf18("1","6","1","8","1","9","1") = "8"
    & skf18("1","6","1","8","1","10","1") = "9"
    & skf18("1","6","1","8","2","1","1") = "7"
    & skf18("1","6","1","8","2","2","1") = "7"
    & skf18("1","6","1","8","2","3","1") = "7"
    & skf18("1","6","1","8","2","4","1") = "7"
    & skf18("1","6","1","8","2","5","1") = "7"
    & skf18("1","6","1","8","2","6","1") = "7"
    & skf18("1","6","1","8","2","7","1") = "7"
    & skf18("1","6","1","8","2","8","1") = "7"
    & skf18("1","6","1","8","2","9","1") = "8"
    & skf18("1","6","1","8","2","10","1") = "9"
    & skf18("1","6","1","8","3","1","1") = "7"
    & skf18("1","6","1","8","3","2","1") = "7"
    & skf18("1","6","1","8","3","3","1") = "7"
    & skf18("1","6","1","8","3","4","1") = "7"
    & skf18("1","6","1","8","3","5","1") = "7"
    & skf18("1","6","1","8","3","6","1") = "7"
    & skf18("1","6","1","8","3","7","1") = "7"
    & skf18("1","6","1","8","3","8","1") = "7"
    & skf18("1","6","1","8","3","9","1") = "8"
    & skf18("1","6","1","8","3","10","1") = "9"
    & skf18("1","6","1","8","4","1","1") = "7"
    & skf18("1","6","1","8","4","2","1") = "7"
    & skf18("1","6","1","8","4","3","1") = "7"
    & skf18("1","6","1","8","4","4","1") = "7"
    & skf18("1","6","1","8","4","5","1") = "7"
    & skf18("1","6","1","8","4","6","1") = "7"
    & skf18("1","6","1","8","4","7","1") = "7"
    & skf18("1","6","1","8","4","8","1") = "7"
    & skf18("1","6","1","8","4","9","1") = "8"
    & skf18("1","6","1","8","4","10","1") = "9"
    & skf18("1","6","1","8","5","1","1") = "7"
    & skf18("1","6","1","8","5","2","1") = "7"
    & skf18("1","6","1","8","5","3","1") = "7"
    & skf18("1","6","1","8","5","4","1") = "7"
    & skf18("1","6","1","8","5","5","1") = "7"
    & skf18("1","6","1","8","5","6","1") = "7"
    & skf18("1","6","1","8","5","7","1") = "7"
    & skf18("1","6","1","8","5","8","1") = "7"
    & skf18("1","6","1","8","5","9","1") = "8"
    & skf18("1","6","1","8","5","10","1") = "9"
    & skf18("1","6","1","8","6","1","1") = "7"
    & skf18("1","6","1","8","6","2","1") = "7"
    & skf18("1","6","1","8","6","3","1") = "7"
    & skf18("1","6","1","8","6","4","1") = "7"
    & skf18("1","6","1","8","6","5","1") = "7"
    & skf18("1","6","1","8","6","6","1") = "7"
    & skf18("1","6","1","8","6","7","1") = "7"
    & skf18("1","6","1","8","6","8","1") = "7"
    & skf18("1","6","1","8","6","9","1") = "8"
    & skf18("1","6","1","8","6","10","1") = "9"
    & skf18("1","6","1","8","7","1","1") = "7"
    & skf18("1","6","1","8","7","2","1") = "7"
    & skf18("1","6","1","8","7","3","1") = "7"
    & skf18("1","6","1","8","7","4","1") = "7"
    & skf18("1","6","1","8","7","5","1") = "7"
    & skf18("1","6","1","8","7","6","1") = "7"
    & skf18("1","6","1","8","7","7","1") = "7"
    & skf18("1","6","1","8","7","8","1") = "7"
    & skf18("1","6","1","8","7","9","1") = "8"
    & skf18("1","6","1","8","7","10","1") = "9"
    & skf18("1","6","1","8","8","1","1") = "7"
    & skf18("1","6","1","8","8","2","1") = "7"
    & skf18("1","6","1","8","8","3","1") = "7"
    & skf18("1","6","1","8","8","4","1") = "7"
    & skf18("1","6","1","8","8","5","1") = "7"
    & skf18("1","6","1","8","8","6","1") = "7"
    & skf18("1","6","1","8","8","7","1") = "7"
    & skf18("1","6","1","8","8","8","1") = "7"
    & skf18("1","6","1","8","8","9","1") = "8"
    & skf18("1","6","1","8","8","10","1") = "9"
    & skf18("1","6","1","8","9","1","1") = "8"
    & skf18("1","6","1","8","9","2","1") = "8"
    & skf18("1","6","1","8","9","3","1") = "8"
    & skf18("1","6","1","8","9","4","1") = "8"
    & skf18("1","6","1","8","9","5","1") = "8"
    & skf18("1","6","1","8","9","6","1") = "8"
    & skf18("1","6","1","8","9","7","1") = "8"
    & skf18("1","6","1","8","9","8","1") = "8"
    & skf18("1","6","1","8","9","9","1") = "8"
    & skf18("1","6","1","8","9","10","1") = "9"
    & skf18("1","6","1","8","10","1","1") = "9"
    & skf18("1","6","1","8","10","2","1") = "9"
    & skf18("1","6","1","8","10","3","1") = "9"
    & skf18("1","6","1","8","10","4","1") = "9"
    & skf18("1","6","1","8","10","5","1") = "9"
    & skf18("1","6","1","8","10","6","1") = "9"
    & skf18("1","6","1","8","10","7","1") = "9"
    & skf18("1","6","1","8","10","8","1") = "9"
    & skf18("1","6","1","8","10","9","1") = "9"
    & skf18("1","6","1","8","10","10","1") = "9"
    & skf18("1","6","1","9","1","1","1") = "8"
    & skf18("1","6","1","9","1","2","1") = "8"
    & skf18("1","6","1","9","1","3","1") = "8"
    & skf18("1","6","1","9","1","4","1") = "8"
    & skf18("1","6","1","9","1","5","1") = "8"
    & skf18("1","6","1","9","1","6","1") = "8"
    & skf18("1","6","1","9","1","7","1") = "8"
    & skf18("1","6","1","9","1","8","1") = "8"
    & skf18("1","6","1","9","1","9","1") = "8"
    & skf18("1","6","1","9","1","10","1") = "9"
    & skf18("1","6","1","9","2","1","1") = "8"
    & skf18("1","6","1","9","2","2","1") = "8"
    & skf18("1","6","1","9","2","3","1") = "8"
    & skf18("1","6","1","9","2","4","1") = "8"
    & skf18("1","6","1","9","2","5","1") = "8"
    & skf18("1","6","1","9","2","6","1") = "8"
    & skf18("1","6","1","9","2","7","1") = "8"
    & skf18("1","6","1","9","2","8","1") = "8"
    & skf18("1","6","1","9","2","9","1") = "8"
    & skf18("1","6","1","9","2","10","1") = "9"
    & skf18("1","6","1","9","3","1","1") = "8"
    & skf18("1","6","1","9","3","2","1") = "8"
    & skf18("1","6","1","9","3","3","1") = "8"
    & skf18("1","6","1","9","3","4","1") = "8"
    & skf18("1","6","1","9","3","5","1") = "8"
    & skf18("1","6","1","9","3","6","1") = "8"
    & skf18("1","6","1","9","3","7","1") = "8"
    & skf18("1","6","1","9","3","8","1") = "8"
    & skf18("1","6","1","9","3","9","1") = "8"
    & skf18("1","6","1","9","3","10","1") = "9"
    & skf18("1","6","1","9","4","1","1") = "8"
    & skf18("1","6","1","9","4","2","1") = "8"
    & skf18("1","6","1","9","4","3","1") = "8"
    & skf18("1","6","1","9","4","4","1") = "8"
    & skf18("1","6","1","9","4","5","1") = "8"
    & skf18("1","6","1","9","4","6","1") = "8"
    & skf18("1","6","1","9","4","7","1") = "8"
    & skf18("1","6","1","9","4","8","1") = "8"
    & skf18("1","6","1","9","4","9","1") = "8"
    & skf18("1","6","1","9","4","10","1") = "9"
    & skf18("1","6","1","9","5","1","1") = "8"
    & skf18("1","6","1","9","5","2","1") = "8"
    & skf18("1","6","1","9","5","3","1") = "8"
    & skf18("1","6","1","9","5","4","1") = "8"
    & skf18("1","6","1","9","5","5","1") = "8"
    & skf18("1","6","1","9","5","6","1") = "8"
    & skf18("1","6","1","9","5","7","1") = "8"
    & skf18("1","6","1","9","5","8","1") = "8"
    & skf18("1","6","1","9","5","9","1") = "8"
    & skf18("1","6","1","9","5","10","1") = "9"
    & skf18("1","6","1","9","6","1","1") = "8"
    & skf18("1","6","1","9","6","2","1") = "8"
    & skf18("1","6","1","9","6","3","1") = "8"
    & skf18("1","6","1","9","6","4","1") = "8"
    & skf18("1","6","1","9","6","5","1") = "8"
    & skf18("1","6","1","9","6","6","1") = "8"
    & skf18("1","6","1","9","6","7","1") = "8"
    & skf18("1","6","1","9","6","8","1") = "8"
    & skf18("1","6","1","9","6","9","1") = "8"
    & skf18("1","6","1","9","6","10","1") = "9"
    & skf18("1","6","1","9","7","1","1") = "8"
    & skf18("1","6","1","9","7","2","1") = "8"
    & skf18("1","6","1","9","7","3","1") = "8"
    & skf18("1","6","1","9","7","4","1") = "8"
    & skf18("1","6","1","9","7","5","1") = "8"
    & skf18("1","6","1","9","7","6","1") = "8"
    & skf18("1","6","1","9","7","7","1") = "8"
    & skf18("1","6","1","9","7","8","1") = "8"
    & skf18("1","6","1","9","7","9","1") = "8"
    & skf18("1","6","1","9","7","10","1") = "9"
    & skf18("1","6","1","9","8","1","1") = "8"
    & skf18("1","6","1","9","8","2","1") = "8"
    & skf18("1","6","1","9","8","3","1") = "8"
    & skf18("1","6","1","9","8","4","1") = "8"
    & skf18("1","6","1","9","8","5","1") = "8"
    & skf18("1","6","1","9","8","6","1") = "8"
    & skf18("1","6","1","9","8","7","1") = "8"
    & skf18("1","6","1","9","8","8","1") = "8"
    & skf18("1","6","1","9","8","9","1") = "8"
    & skf18("1","6","1","9","8","10","1") = "9"
    & skf18("1","6","1","9","9","1","1") = "8"
    & skf18("1","6","1","9","9","2","1") = "8"
    & skf18("1","6","1","9","9","3","1") = "8"
    & skf18("1","6","1","9","9","4","1") = "8"
    & skf18("1","6","1","9","9","5","1") = "8"
    & skf18("1","6","1","9","9","6","1") = "8"
    & skf18("1","6","1","9","9","7","1") = "8"
    & skf18("1","6","1","9","9","8","1") = "8"
    & skf18("1","6","1","9","9","9","1") = "8"
    & skf18("1","6","1","9","9","10","1") = "9"
    & skf18("1","6","1","9","10","1","1") = "9"
    & skf18("1","6","1","9","10","2","1") = "9"
    & skf18("1","6","1","9","10","3","1") = "9"
    & skf18("1","6","1","9","10","4","1") = "9"
    & skf18("1","6","1","9","10","5","1") = "9"
    & skf18("1","6","1","9","10","6","1") = "9"
    & skf18("1","6","1","9","10","7","1") = "9"
    & skf18("1","6","1","9","10","8","1") = "9"
    & skf18("1","6","1","9","10","9","1") = "9"
    & skf18("1","6","1","9","10","10","1") = "9"
    & skf18("1","6","1","10","1","1","1") = "9"
    & skf18("1","6","1","10","1","2","1") = "9"
    & skf18("1","6","1","10","1","3","1") = "9"
    & skf18("1","6","1","10","1","4","1") = "9"
    & skf18("1","6","1","10","1","5","1") = "9"
    & skf18("1","6","1","10","1","6","1") = "9"
    & skf18("1","6","1","10","1","7","1") = "9"
    & skf18("1","6","1","10","1","8","1") = "9"
    & skf18("1","6","1","10","1","9","1") = "9"
    & skf18("1","6","1","10","1","10","1") = "9"
    & skf18("1","6","1","10","2","1","1") = "9"
    & skf18("1","6","1","10","2","2","1") = "9"
    & skf18("1","6","1","10","2","3","1") = "9"
    & skf18("1","6","1","10","2","4","1") = "9"
    & skf18("1","6","1","10","2","5","1") = "9"
    & skf18("1","6","1","10","2","6","1") = "9"
    & skf18("1","6","1","10","2","7","1") = "9"
    & skf18("1","6","1","10","2","8","1") = "9"
    & skf18("1","6","1","10","2","9","1") = "9"
    & skf18("1","6","1","10","2","10","1") = "9"
    & skf18("1","6","1","10","3","1","1") = "9"
    & skf18("1","6","1","10","3","2","1") = "9"
    & skf18("1","6","1","10","3","3","1") = "9"
    & skf18("1","6","1","10","3","4","1") = "9"
    & skf18("1","6","1","10","3","5","1") = "9"
    & skf18("1","6","1","10","3","6","1") = "9"
    & skf18("1","6","1","10","3","7","1") = "9"
    & skf18("1","6","1","10","3","8","1") = "9"
    & skf18("1","6","1","10","3","9","1") = "9"
    & skf18("1","6","1","10","3","10","1") = "9"
    & skf18("1","6","1","10","4","1","1") = "9"
    & skf18("1","6","1","10","4","2","1") = "9"
    & skf18("1","6","1","10","4","3","1") = "9"
    & skf18("1","6","1","10","4","4","1") = "9"
    & skf18("1","6","1","10","4","5","1") = "9"
    & skf18("1","6","1","10","4","6","1") = "9"
    & skf18("1","6","1","10","4","7","1") = "9"
    & skf18("1","6","1","10","4","8","1") = "9"
    & skf18("1","6","1","10","4","9","1") = "9"
    & skf18("1","6","1","10","4","10","1") = "9"
    & skf18("1","6","1","10","5","1","1") = "9"
    & skf18("1","6","1","10","5","2","1") = "9"
    & skf18("1","6","1","10","5","3","1") = "9"
    & skf18("1","6","1","10","5","4","1") = "9"
    & skf18("1","6","1","10","5","5","1") = "9"
    & skf18("1","6","1","10","5","6","1") = "9"
    & skf18("1","6","1","10","5","7","1") = "9"
    & skf18("1","6","1","10","5","8","1") = "9"
    & skf18("1","6","1","10","5","9","1") = "9"
    & skf18("1","6","1","10","5","10","1") = "9"
    & skf18("1","6","1","10","6","1","1") = "9"
    & skf18("1","6","1","10","6","2","1") = "9"
    & skf18("1","6","1","10","6","3","1") = "9"
    & skf18("1","6","1","10","6","4","1") = "9"
    & skf18("1","6","1","10","6","5","1") = "9"
    & skf18("1","6","1","10","6","6","1") = "9"
    & skf18("1","6","1","10","6","7","1") = "9"
    & skf18("1","6","1","10","6","8","1") = "9"
    & skf18("1","6","1","10","6","9","1") = "9"
    & skf18("1","6","1","10","6","10","1") = "9"
    & skf18("1","6","1","10","7","1","1") = "9"
    & skf18("1","6","1","10","7","2","1") = "9"
    & skf18("1","6","1","10","7","3","1") = "9"
    & skf18("1","6","1","10","7","4","1") = "9"
    & skf18("1","6","1","10","7","5","1") = "9"
    & skf18("1","6","1","10","7","6","1") = "9"
    & skf18("1","6","1","10","7","7","1") = "9"
    & skf18("1","6","1","10","7","8","1") = "9"
    & skf18("1","6","1","10","7","9","1") = "9"
    & skf18("1","6","1","10","7","10","1") = "9"
    & skf18("1","6","1","10","8","1","1") = "9"
    & skf18("1","6","1","10","8","2","1") = "9"
    & skf18("1","6","1","10","8","3","1") = "9"
    & skf18("1","6","1","10","8","4","1") = "9"
    & skf18("1","6","1","10","8","5","1") = "9"
    & skf18("1","6","1","10","8","6","1") = "9"
    & skf18("1","6","1","10","8","7","1") = "9"
    & skf18("1","6","1","10","8","8","1") = "9"
    & skf18("1","6","1","10","8","9","1") = "9"
    & skf18("1","6","1","10","8","10","1") = "9"
    & skf18("1","6","1","10","9","1","1") = "9"
    & skf18("1","6","1","10","9","2","1") = "9"
    & skf18("1","6","1","10","9","3","1") = "9"
    & skf18("1","6","1","10","9","4","1") = "9"
    & skf18("1","6","1","10","9","5","1") = "9"
    & skf18("1","6","1","10","9","6","1") = "9"
    & skf18("1","6","1","10","9","7","1") = "9"
    & skf18("1","6","1","10","9","8","1") = "9"
    & skf18("1","6","1","10","9","9","1") = "9"
    & skf18("1","6","1","10","9","10","1") = "9"
    & skf18("1","6","1","10","10","1","1") = "9"
    & skf18("1","6","1","10","10","2","1") = "9"
    & skf18("1","6","1","10","10","3","1") = "9"
    & skf18("1","6","1","10","10","4","1") = "9"
    & skf18("1","6","1","10","10","5","1") = "9"
    & skf18("1","6","1","10","10","6","1") = "9"
    & skf18("1","6","1","10","10","7","1") = "9"
    & skf18("1","6","1","10","10","8","1") = "9"
    & skf18("1","6","1","10","10","9","1") = "9"
    & skf18("1","6","1","10","10","10","1") = "9"
    & skf18("1","6","2","1","1","1","1") = "5"
    & skf18("1","6","2","1","1","2","1") = "5"
    & skf18("1","6","2","1","1","3","1") = "5"
    & skf18("1","6","2","1","1","4","1") = "5"
    & skf18("1","6","2","1","1","5","1") = "5"
    & skf18("1","6","2","1","1","6","1") = "5"
    & skf18("1","6","2","1","1","7","1") = "6"
    & skf18("1","6","2","1","1","8","1") = "7"
    & skf18("1","6","2","1","1","9","1") = "8"
    & skf18("1","6","2","1","1","10","1") = "9"
    & skf18("1","6","2","1","2","1","1") = "5"
    & skf18("1","6","2","1","2","2","1") = "5"
    & skf18("1","6","2","1","2","3","1") = "5"
    & skf18("1","6","2","1","2","4","1") = "5"
    & skf18("1","6","2","1","2","5","1") = "5"
    & skf18("1","6","2","1","2","6","1") = "5"
    & skf18("1","6","2","1","2","7","1") = "6"
    & skf18("1","6","2","1","2","8","1") = "7"
    & skf18("1","6","2","1","2","9","1") = "8"
    & skf18("1","6","2","1","2","10","1") = "9"
    & skf18("1","6","2","1","3","1","1") = "5"
    & skf18("1","6","2","1","3","2","1") = "5"
    & skf18("1","6","2","1","3","3","1") = "5"
    & skf18("1","6","2","1","3","4","1") = "5"
    & skf18("1","6","2","1","3","5","1") = "5"
    & skf18("1","6","2","1","3","6","1") = "5"
    & skf18("1","6","2","1","3","7","1") = "6"
    & skf18("1","6","2","1","3","8","1") = "7"
    & skf18("1","6","2","1","3","9","1") = "8"
    & skf18("1","6","2","1","3","10","1") = "9"
    & skf18("1","6","2","1","4","1","1") = "5"
    & skf18("1","6","2","1","4","2","1") = "5"
    & skf18("1","6","2","1","4","3","1") = "5"
    & skf18("1","6","2","1","4","4","1") = "5"
    & skf18("1","6","2","1","4","5","1") = "5"
    & skf18("1","6","2","1","4","6","1") = "5"
    & skf18("1","6","2","1","4","7","1") = "6"
    & skf18("1","6","2","1","4","8","1") = "7"
    & skf18("1","6","2","1","4","9","1") = "8"
    & skf18("1","6","2","1","4","10","1") = "9"
    & skf18("1","6","2","1","5","1","1") = "5"
    & skf18("1","6","2","1","5","2","1") = "5"
    & skf18("1","6","2","1","5","3","1") = "5"
    & skf18("1","6","2","1","5","4","1") = "5"
    & skf18("1","6","2","1","5","5","1") = "5"
    & skf18("1","6","2","1","5","6","1") = "5"
    & skf18("1","6","2","1","5","7","1") = "6"
    & skf18("1","6","2","1","5","8","1") = "7"
    & skf18("1","6","2","1","5","9","1") = "8"
    & skf18("1","6","2","1","5","10","1") = "9"
    & skf18("1","6","2","1","6","1","1") = "5"
    & skf18("1","6","2","1","6","2","1") = "5"
    & skf18("1","6","2","1","6","3","1") = "5"
    & skf18("1","6","2","1","6","4","1") = "5"
    & skf18("1","6","2","1","6","5","1") = "5"
    & skf18("1","6","2","1","6","6","1") = "5"
    & skf18("1","6","2","1","6","7","1") = "6"
    & skf18("1","6","2","1","6","8","1") = "7"
    & skf18("1","6","2","1","6","9","1") = "8"
    & skf18("1","6","2","1","6","10","1") = "9"
    & skf18("1","6","2","1","7","1","1") = "6"
    & skf18("1","6","2","1","7","2","1") = "6"
    & skf18("1","6","2","1","7","3","1") = "6"
    & skf18("1","6","2","1","7","4","1") = "6"
    & skf18("1","6","2","1","7","5","1") = "6"
    & skf18("1","6","2","1","7","6","1") = "6"
    & skf18("1","6","2","1","7","7","1") = "6"
    & skf18("1","6","2","1","7","8","1") = "7"
    & skf18("1","6","2","1","7","9","1") = "8"
    & skf18("1","6","2","1","7","10","1") = "9"
    & skf18("1","6","2","1","8","1","1") = "7"
    & skf18("1","6","2","1","8","2","1") = "7"
    & skf18("1","6","2","1","8","3","1") = "7"
    & skf18("1","6","2","1","8","4","1") = "7"
    & skf18("1","6","2","1","8","5","1") = "7"
    & skf18("1","6","2","1","8","6","1") = "7"
    & skf18("1","6","2","1","8","7","1") = "7"
    & skf18("1","6","2","1","8","8","1") = "7"
    & skf18("1","6","2","1","8","9","1") = "8"
    & skf18("1","6","2","1","8","10","1") = "9"
    & skf18("1","6","2","1","9","1","1") = "8"
    & skf18("1","6","2","1","9","2","1") = "8"
    & skf18("1","6","2","1","9","3","1") = "8"
    & skf18("1","6","2","1","9","4","1") = "8"
    & skf18("1","6","2","1","9","5","1") = "8"
    & skf18("1","6","2","1","9","6","1") = "8"
    & skf18("1","6","2","1","9","7","1") = "8"
    & skf18("1","6","2","1","9","8","1") = "8"
    & skf18("1","6","2","1","9","9","1") = "8"
    & skf18("1","6","2","1","9","10","1") = "9"
    & skf18("1","6","2","1","10","1","1") = "9"
    & skf18("1","6","2","1","10","2","1") = "9"
    & skf18("1","6","2","1","10","3","1") = "9"
    & skf18("1","6","2","1","10","4","1") = "9"
    & skf18("1","6","2","1","10","5","1") = "9"
    & skf18("1","6","2","1","10","6","1") = "9"
    & skf18("1","6","2","1","10","7","1") = "9"
    & skf18("1","6","2","1","10","8","1") = "9"
    & skf18("1","6","2","1","10","9","1") = "9"
    & skf18("1","6","2","1","10","10","1") = "9"
    & skf18("1","6","2","2","1","1","1") = "5"
    & skf18("1","6","2","2","1","2","1") = "5"
    & skf18("1","6","2","2","1","3","1") = "5"
    & skf18("1","6","2","2","1","4","1") = "5"
    & skf18("1","6","2","2","1","5","1") = "5"
    & skf18("1","6","2","2","1","6","1") = "5"
    & skf18("1","6","2","2","1","7","1") = "6"
    & skf18("1","6","2","2","1","8","1") = "7"
    & skf18("1","6","2","2","1","9","1") = "8"
    & skf18("1","6","2","2","1","10","1") = "9"
    & skf18("1","6","2","2","2","1","1") = "5"
    & skf18("1","6","2","2","2","2","1") = "5"
    & skf18("1","6","2","2","2","3","1") = "5"
    & skf18("1","6","2","2","2","4","1") = "5"
    & skf18("1","6","2","2","2","5","1") = "5"
    & skf18("1","6","2","2","2","6","1") = "5"
    & skf18("1","6","2","2","2","7","1") = "6"
    & skf18("1","6","2","2","2","8","1") = "7"
    & skf18("1","6","2","2","2","9","1") = "8"
    & skf18("1","6","2","2","2","10","1") = "9"
    & skf18("1","6","2","2","3","1","1") = "5"
    & skf18("1","6","2","2","3","2","1") = "5"
    & skf18("1","6","2","2","3","3","1") = "5"
    & skf18("1","6","2","2","3","4","1") = "5"
    & skf18("1","6","2","2","3","5","1") = "5"
    & skf18("1","6","2","2","3","6","1") = "5"
    & skf18("1","6","2","2","3","7","1") = "6"
    & skf18("1","6","2","2","3","8","1") = "7"
    & skf18("1","6","2","2","3","9","1") = "8"
    & skf18("1","6","2","2","3","10","1") = "9"
    & skf18("1","6","2","2","4","1","1") = "5"
    & skf18("1","6","2","2","4","2","1") = "5"
    & skf18("1","6","2","2","4","3","1") = "5"
    & skf18("1","6","2","2","4","4","1") = "5"
    & skf18("1","6","2","2","4","5","1") = "5"
    & skf18("1","6","2","2","4","6","1") = "5"
    & skf18("1","6","2","2","4","7","1") = "6"
    & skf18("1","6","2","2","4","8","1") = "7"
    & skf18("1","6","2","2","4","9","1") = "8"
    & skf18("1","6","2","2","4","10","1") = "9"
    & skf18("1","6","2","2","5","1","1") = "5"
    & skf18("1","6","2","2","5","2","1") = "5"
    & skf18("1","6","2","2","5","3","1") = "5"
    & skf18("1","6","2","2","5","4","1") = "5"
    & skf18("1","6","2","2","5","5","1") = "5"
    & skf18("1","6","2","2","5","6","1") = "5"
    & skf18("1","6","2","2","5","7","1") = "6"
    & skf18("1","6","2","2","5","8","1") = "7"
    & skf18("1","6","2","2","5","9","1") = "8"
    & skf18("1","6","2","2","5","10","1") = "9"
    & skf18("1","6","2","2","6","1","1") = "5"
    & skf18("1","6","2","2","6","2","1") = "5"
    & skf18("1","6","2","2","6","3","1") = "5"
    & skf18("1","6","2","2","6","4","1") = "5"
    & skf18("1","6","2","2","6","5","1") = "5"
    & skf18("1","6","2","2","6","6","1") = "5"
    & skf18("1","6","2","2","6","7","1") = "6"
    & skf18("1","6","2","2","6","8","1") = "7"
    & skf18("1","6","2","2","6","9","1") = "8"
    & skf18("1","6","2","2","6","10","1") = "9"
    & skf18("1","6","2","2","7","1","1") = "6"
    & skf18("1","6","2","2","7","2","1") = "6"
    & skf18("1","6","2","2","7","3","1") = "6"
    & skf18("1","6","2","2","7","4","1") = "6"
    & skf18("1","6","2","2","7","5","1") = "6"
    & skf18("1","6","2","2","7","6","1") = "6"
    & skf18("1","6","2","2","7","7","1") = "6"
    & skf18("1","6","2","2","7","8","1") = "7"
    & skf18("1","6","2","2","7","9","1") = "8"
    & skf18("1","6","2","2","7","10","1") = "9"
    & skf18("1","6","2","2","8","1","1") = "7"
    & skf18("1","6","2","2","8","2","1") = "7"
    & skf18("1","6","2","2","8","3","1") = "7"
    & skf18("1","6","2","2","8","4","1") = "7"
    & skf18("1","6","2","2","8","5","1") = "7"
    & skf18("1","6","2","2","8","6","1") = "7"
    & skf18("1","6","2","2","8","7","1") = "7"
    & skf18("1","6","2","2","8","8","1") = "7"
    & skf18("1","6","2","2","8","9","1") = "8"
    & skf18("1","6","2","2","8","10","1") = "9"
    & skf18("1","6","2","2","9","1","1") = "8"
    & skf18("1","6","2","2","9","2","1") = "8"
    & skf18("1","6","2","2","9","3","1") = "8"
    & skf18("1","6","2","2","9","4","1") = "8"
    & skf18("1","6","2","2","9","5","1") = "8"
    & skf18("1","6","2","2","9","6","1") = "8"
    & skf18("1","6","2","2","9","7","1") = "8"
    & skf18("1","6","2","2","9","8","1") = "8"
    & skf18("1","6","2","2","9","9","1") = "8"
    & skf18("1","6","2","2","9","10","1") = "9"
    & skf18("1","6","2","2","10","1","1") = "9"
    & skf18("1","6","2","2","10","2","1") = "9"
    & skf18("1","6","2","2","10","3","1") = "9"
    & skf18("1","6","2","2","10","4","1") = "9"
    & skf18("1","6","2","2","10","5","1") = "9"
    & skf18("1","6","2","2","10","6","1") = "9"
    & skf18("1","6","2","2","10","7","1") = "9"
    & skf18("1","6","2","2","10","8","1") = "9"
    & skf18("1","6","2","2","10","9","1") = "9"
    & skf18("1","6","2","2","10","10","1") = "9"
    & skf18("1","6","2","3","1","1","1") = "5"
    & skf18("1","6","2","3","1","2","1") = "5"
    & skf18("1","6","2","3","1","3","1") = "5"
    & skf18("1","6","2","3","1","4","1") = "5"
    & skf18("1","6","2","3","1","5","1") = "5"
    & skf18("1","6","2","3","1","6","1") = "5"
    & skf18("1","6","2","3","1","7","1") = "6"
    & skf18("1","6","2","3","1","8","1") = "7"
    & skf18("1","6","2","3","1","9","1") = "8"
    & skf18("1","6","2","3","1","10","1") = "9"
    & skf18("1","6","2","3","2","1","1") = "5"
    & skf18("1","6","2","3","2","2","1") = "5"
    & skf18("1","6","2","3","2","3","1") = "5"
    & skf18("1","6","2","3","2","4","1") = "5"
    & skf18("1","6","2","3","2","5","1") = "5"
    & skf18("1","6","2","3","2","6","1") = "5"
    & skf18("1","6","2","3","2","7","1") = "6"
    & skf18("1","6","2","3","2","8","1") = "7"
    & skf18("1","6","2","3","2","9","1") = "8"
    & skf18("1","6","2","3","2","10","1") = "9"
    & skf18("1","6","2","3","3","1","1") = "5"
    & skf18("1","6","2","3","3","2","1") = "5"
    & skf18("1","6","2","3","3","3","1") = "5"
    & skf18("1","6","2","3","3","4","1") = "5"
    & skf18("1","6","2","3","3","5","1") = "5"
    & skf18("1","6","2","3","3","6","1") = "5"
    & skf18("1","6","2","3","3","7","1") = "6"
    & skf18("1","6","2","3","3","8","1") = "7"
    & skf18("1","6","2","3","3","9","1") = "8"
    & skf18("1","6","2","3","3","10","1") = "9"
    & skf18("1","6","2","3","4","1","1") = "5"
    & skf18("1","6","2","3","4","2","1") = "5"
    & skf18("1","6","2","3","4","3","1") = "5"
    & skf18("1","6","2","3","4","4","1") = "5"
    & skf18("1","6","2","3","4","5","1") = "5"
    & skf18("1","6","2","3","4","6","1") = "5"
    & skf18("1","6","2","3","4","7","1") = "6"
    & skf18("1","6","2","3","4","8","1") = "7"
    & skf18("1","6","2","3","4","9","1") = "8"
    & skf18("1","6","2","3","4","10","1") = "9"
    & skf18("1","6","2","3","5","1","1") = "5"
    & skf18("1","6","2","3","5","2","1") = "5"
    & skf18("1","6","2","3","5","3","1") = "5"
    & skf18("1","6","2","3","5","4","1") = "5"
    & skf18("1","6","2","3","5","5","1") = "5"
    & skf18("1","6","2","3","5","6","1") = "5"
    & skf18("1","6","2","3","5","7","1") = "6"
    & skf18("1","6","2","3","5","8","1") = "7"
    & skf18("1","6","2","3","5","9","1") = "8"
    & skf18("1","6","2","3","5","10","1") = "9"
    & skf18("1","6","2","3","6","1","1") = "5"
    & skf18("1","6","2","3","6","2","1") = "5"
    & skf18("1","6","2","3","6","3","1") = "5"
    & skf18("1","6","2","3","6","4","1") = "5"
    & skf18("1","6","2","3","6","5","1") = "5"
    & skf18("1","6","2","3","6","6","1") = "5"
    & skf18("1","6","2","3","6","7","1") = "6"
    & skf18("1","6","2","3","6","8","1") = "7"
    & skf18("1","6","2","3","6","9","1") = "8"
    & skf18("1","6","2","3","6","10","1") = "9"
    & skf18("1","6","2","3","7","1","1") = "6"
    & skf18("1","6","2","3","7","2","1") = "6"
    & skf18("1","6","2","3","7","3","1") = "6"
    & skf18("1","6","2","3","7","4","1") = "6"
    & skf18("1","6","2","3","7","5","1") = "6"
    & skf18("1","6","2","3","7","6","1") = "6"
    & skf18("1","6","2","3","7","7","1") = "6"
    & skf18("1","6","2","3","7","8","1") = "7"
    & skf18("1","6","2","3","7","9","1") = "8"
    & skf18("1","6","2","3","7","10","1") = "9"
    & skf18("1","6","2","3","8","1","1") = "7"
    & skf18("1","6","2","3","8","2","1") = "7"
    & skf18("1","6","2","3","8","3","1") = "7"
    & skf18("1","6","2","3","8","4","1") = "7"
    & skf18("1","6","2","3","8","5","1") = "7"
    & skf18("1","6","2","3","8","6","1") = "7"
    & skf18("1","6","2","3","8","7","1") = "7"
    & skf18("1","6","2","3","8","8","1") = "7"
    & skf18("1","6","2","3","8","9","1") = "8"
    & skf18("1","6","2","3","8","10","1") = "9"
    & skf18("1","6","2","3","9","1","1") = "8"
    & skf18("1","6","2","3","9","2","1") = "8"
    & skf18("1","6","2","3","9","3","1") = "8"
    & skf18("1","6","2","3","9","4","1") = "8"
    & skf18("1","6","2","3","9","5","1") = "8"
    & skf18("1","6","2","3","9","6","1") = "8"
    & skf18("1","6","2","3","9","7","1") = "8"
    & skf18("1","6","2","3","9","8","1") = "8"
    & skf18("1","6","2","3","9","9","1") = "8"
    & skf18("1","6","2","3","9","10","1") = "9"
    & skf18("1","6","2","3","10","1","1") = "9"
    & skf18("1","6","2","3","10","2","1") = "9"
    & skf18("1","6","2","3","10","3","1") = "9"
    & skf18("1","6","2","3","10","4","1") = "9"
    & skf18("1","6","2","3","10","5","1") = "9"
    & skf18("1","6","2","3","10","6","1") = "9"
    & skf18("1","6","2","3","10","7","1") = "9"
    & skf18("1","6","2","3","10","8","1") = "9"
    & skf18("1","6","2","3","10","9","1") = "9"
    & skf18("1","6","2","3","10","10","1") = "9"
    & skf18("1","6","2","4","1","1","1") = "5"
    & skf18("1","6","2","4","1","2","1") = "5"
    & skf18("1","6","2","4","1","3","1") = "5"
    & skf18("1","6","2","4","1","4","1") = "5"
    & skf18("1","6","2","4","1","5","1") = "5"
    & skf18("1","6","2","4","1","6","1") = "5"
    & skf18("1","6","2","4","1","7","1") = "6"
    & skf18("1","6","2","4","1","8","1") = "7"
    & skf18("1","6","2","4","1","9","1") = "8"
    & skf18("1","6","2","4","1","10","1") = "9"
    & skf18("1","6","2","4","2","1","1") = "5"
    & skf18("1","6","2","4","2","2","1") = "5"
    & skf18("1","6","2","4","2","3","1") = "5"
    & skf18("1","6","2","4","2","4","1") = "5"
    & skf18("1","6","2","4","2","5","1") = "5"
    & skf18("1","6","2","4","2","6","1") = "5"
    & skf18("1","6","2","4","2","7","1") = "6"
    & skf18("1","6","2","4","2","8","1") = "7"
    & skf18("1","6","2","4","2","9","1") = "8"
    & skf18("1","6","2","4","2","10","1") = "9"
    & skf18("1","6","2","4","3","1","1") = "5"
    & skf18("1","6","2","4","3","2","1") = "5"
    & skf18("1","6","2","4","3","3","1") = "5"
    & skf18("1","6","2","4","3","4","1") = "5"
    & skf18("1","6","2","4","3","5","1") = "5"
    & skf18("1","6","2","4","3","6","1") = "5"
    & skf18("1","6","2","4","3","7","1") = "6"
    & skf18("1","6","2","4","3","8","1") = "7"
    & skf18("1","6","2","4","3","9","1") = "8"
    & skf18("1","6","2","4","3","10","1") = "9"
    & skf18("1","6","2","4","4","1","1") = "5"
    & skf18("1","6","2","4","4","2","1") = "5"
    & skf18("1","6","2","4","4","3","1") = "5"
    & skf18("1","6","2","4","4","4","1") = "5"
    & skf18("1","6","2","4","4","5","1") = "5"
    & skf18("1","6","2","4","4","6","1") = "5"
    & skf18("1","6","2","4","4","7","1") = "6"
    & skf18("1","6","2","4","4","8","1") = "7"
    & skf18("1","6","2","4","4","9","1") = "8"
    & skf18("1","6","2","4","4","10","1") = "9"
    & skf18("1","6","2","4","5","1","1") = "5"
    & skf18("1","6","2","4","5","2","1") = "5"
    & skf18("1","6","2","4","5","3","1") = "5"
    & skf18("1","6","2","4","5","4","1") = "5"
    & skf18("1","6","2","4","5","5","1") = "5"
    & skf18("1","6","2","4","5","6","1") = "5"
    & skf18("1","6","2","4","5","7","1") = "6"
    & skf18("1","6","2","4","5","8","1") = "7"
    & skf18("1","6","2","4","5","9","1") = "8"
    & skf18("1","6","2","4","5","10","1") = "9"
    & skf18("1","6","2","4","6","1","1") = "5"
    & skf18("1","6","2","4","6","2","1") = "5"
    & skf18("1","6","2","4","6","3","1") = "5"
    & skf18("1","6","2","4","6","4","1") = "5"
    & skf18("1","6","2","4","6","5","1") = "5"
    & skf18("1","6","2","4","6","6","1") = "5"
    & skf18("1","6","2","4","6","7","1") = "6"
    & skf18("1","6","2","4","6","8","1") = "7"
    & skf18("1","6","2","4","6","9","1") = "8"
    & skf18("1","6","2","4","6","10","1") = "9"
    & skf18("1","6","2","4","7","1","1") = "6"
    & skf18("1","6","2","4","7","2","1") = "6"
    & skf18("1","6","2","4","7","3","1") = "6"
    & skf18("1","6","2","4","7","4","1") = "6"
    & skf18("1","6","2","4","7","5","1") = "6"
    & skf18("1","6","2","4","7","6","1") = "6"
    & skf18("1","6","2","4","7","7","1") = "6"
    & skf18("1","6","2","4","7","8","1") = "7"
    & skf18("1","6","2","4","7","9","1") = "8"
    & skf18("1","6","2","4","7","10","1") = "9"
    & skf18("1","6","2","4","8","1","1") = "7"
    & skf18("1","6","2","4","8","2","1") = "7"
    & skf18("1","6","2","4","8","3","1") = "7"
    & skf18("1","6","2","4","8","4","1") = "7"
    & skf18("1","6","2","4","8","5","1") = "7"
    & skf18("1","6","2","4","8","6","1") = "7"
    & skf18("1","6","2","4","8","7","1") = "7"
    & skf18("1","6","2","4","8","8","1") = "7"
    & skf18("1","6","2","4","8","9","1") = "8"
    & skf18("1","6","2","4","8","10","1") = "9"
    & skf18("1","6","2","4","9","1","1") = "8"
    & skf18("1","6","2","4","9","2","1") = "8"
    & skf18("1","6","2","4","9","3","1") = "8"
    & skf18("1","6","2","4","9","4","1") = "8"
    & skf18("1","6","2","4","9","5","1") = "8"
    & skf18("1","6","2","4","9","6","1") = "8"
    & skf18("1","6","2","4","9","7","1") = "8"
    & skf18("1","6","2","4","9","8","1") = "8"
    & skf18("1","6","2","4","9","9","1") = "8"
    & skf18("1","6","2","4","9","10","1") = "9"
    & skf18("1","6","2","4","10","1","1") = "9"
    & skf18("1","6","2","4","10","2","1") = "9"
    & skf18("1","6","2","4","10","3","1") = "9"
    & skf18("1","6","2","4","10","4","1") = "9"
    & skf18("1","6","2","4","10","5","1") = "9"
    & skf18("1","6","2","4","10","6","1") = "9"
    & skf18("1","6","2","4","10","7","1") = "9"
    & skf18("1","6","2","4","10","8","1") = "9"
    & skf18("1","6","2","4","10","9","1") = "9"
    & skf18("1","6","2","4","10","10","1") = "9"
    & skf18("1","6","2","5","1","1","1") = "5"
    & skf18("1","6","2","5","1","2","1") = "5"
    & skf18("1","6","2","5","1","3","1") = "5"
    & skf18("1","6","2","5","1","4","1") = "5"
    & skf18("1","6","2","5","1","5","1") = "5"
    & skf18("1","6","2","5","1","6","1") = "5"
    & skf18("1","6","2","5","1","7","1") = "6"
    & skf18("1","6","2","5","1","8","1") = "7"
    & skf18("1","6","2","5","1","9","1") = "8"
    & skf18("1","6","2","5","1","10","1") = "9"
    & skf18("1","6","2","5","2","1","1") = "5"
    & skf18("1","6","2","5","2","2","1") = "5"
    & skf18("1","6","2","5","2","3","1") = "5"
    & skf18("1","6","2","5","2","4","1") = "5"
    & skf18("1","6","2","5","2","5","1") = "5"
    & skf18("1","6","2","5","2","6","1") = "5"
    & skf18("1","6","2","5","2","7","1") = "6"
    & skf18("1","6","2","5","2","8","1") = "7"
    & skf18("1","6","2","5","2","9","1") = "8"
    & skf18("1","6","2","5","2","10","1") = "9"
    & skf18("1","6","2","5","3","1","1") = "5"
    & skf18("1","6","2","5","3","2","1") = "5"
    & skf18("1","6","2","5","3","3","1") = "5"
    & skf18("1","6","2","5","3","4","1") = "5"
    & skf18("1","6","2","5","3","5","1") = "5"
    & skf18("1","6","2","5","3","6","1") = "5"
    & skf18("1","6","2","5","3","7","1") = "6"
    & skf18("1","6","2","5","3","8","1") = "7"
    & skf18("1","6","2","5","3","9","1") = "8"
    & skf18("1","6","2","5","3","10","1") = "9"
    & skf18("1","6","2","5","4","1","1") = "5"
    & skf18("1","6","2","5","4","2","1") = "5"
    & skf18("1","6","2","5","4","3","1") = "5"
    & skf18("1","6","2","5","4","4","1") = "5"
    & skf18("1","6","2","5","4","5","1") = "5"
    & skf18("1","6","2","5","4","6","1") = "5"
    & skf18("1","6","2","5","4","7","1") = "6"
    & skf18("1","6","2","5","4","8","1") = "7"
    & skf18("1","6","2","5","4","9","1") = "8"
    & skf18("1","6","2","5","4","10","1") = "9"
    & skf18("1","6","2","5","5","1","1") = "5"
    & skf18("1","6","2","5","5","2","1") = "5"
    & skf18("1","6","2","5","5","3","1") = "5"
    & skf18("1","6","2","5","5","4","1") = "5"
    & skf18("1","6","2","5","5","5","1") = "5"
    & skf18("1","6","2","5","5","6","1") = "5"
    & skf18("1","6","2","5","5","7","1") = "6"
    & skf18("1","6","2","5","5","8","1") = "7"
    & skf18("1","6","2","5","5","9","1") = "8"
    & skf18("1","6","2","5","5","10","1") = "9"
    & skf18("1","6","2","5","6","1","1") = "5"
    & skf18("1","6","2","5","6","2","1") = "5"
    & skf18("1","6","2","5","6","3","1") = "5"
    & skf18("1","6","2","5","6","4","1") = "5"
    & skf18("1","6","2","5","6","5","1") = "5"
    & skf18("1","6","2","5","6","6","1") = "5"
    & skf18("1","6","2","5","6","7","1") = "6"
    & skf18("1","6","2","5","6","8","1") = "7"
    & skf18("1","6","2","5","6","9","1") = "8"
    & skf18("1","6","2","5","6","10","1") = "9"
    & skf18("1","6","2","5","7","1","1") = "6"
    & skf18("1","6","2","5","7","2","1") = "6"
    & skf18("1","6","2","5","7","3","1") = "6"
    & skf18("1","6","2","5","7","4","1") = "6"
    & skf18("1","6","2","5","7","5","1") = "6"
    & skf18("1","6","2","5","7","6","1") = "6"
    & skf18("1","6","2","5","7","7","1") = "6"
    & skf18("1","6","2","5","7","8","1") = "7"
    & skf18("1","6","2","5","7","9","1") = "8"
    & skf18("1","6","2","5","7","10","1") = "9"
    & skf18("1","6","2","5","8","1","1") = "7"
    & skf18("1","6","2","5","8","2","1") = "7"
    & skf18("1","6","2","5","8","3","1") = "7"
    & skf18("1","6","2","5","8","4","1") = "7"
    & skf18("1","6","2","5","8","5","1") = "7"
    & skf18("1","6","2","5","8","6","1") = "7"
    & skf18("1","6","2","5","8","7","1") = "7"
    & skf18("1","6","2","5","8","8","1") = "7"
    & skf18("1","6","2","5","8","9","1") = "8"
    & skf18("1","6","2","5","8","10","1") = "9"
    & skf18("1","6","2","5","9","1","1") = "8"
    & skf18("1","6","2","5","9","2","1") = "8"
    & skf18("1","6","2","5","9","3","1") = "8"
    & skf18("1","6","2","5","9","4","1") = "8"
    & skf18("1","6","2","5","9","5","1") = "8"
    & skf18("1","6","2","5","9","6","1") = "8"
    & skf18("1","6","2","5","9","7","1") = "8"
    & skf18("1","6","2","5","9","8","1") = "8"
    & skf18("1","6","2","5","9","9","1") = "8"
    & skf18("1","6","2","5","9","10","1") = "9"
    & skf18("1","6","2","5","10","1","1") = "9"
    & skf18("1","6","2","5","10","2","1") = "9"
    & skf18("1","6","2","5","10","3","1") = "9"
    & skf18("1","6","2","5","10","4","1") = "9"
    & skf18("1","6","2","5","10","5","1") = "9"
    & skf18("1","6","2","5","10","6","1") = "9"
    & skf18("1","6","2","5","10","7","1") = "9"
    & skf18("1","6","2","5","10","8","1") = "9"
    & skf18("1","6","2","5","10","9","1") = "9"
    & skf18("1","6","2","5","10","10","1") = "9"
    & skf18("1","6","2","6","1","1","1") = "5"
    & skf18("1","6","2","6","1","2","1") = "5"
    & skf18("1","6","2","6","1","3","1") = "5"
    & skf18("1","6","2","6","1","4","1") = "5"
    & skf18("1","6","2","6","1","5","1") = "5"
    & skf18("1","6","2","6","1","6","1") = "5"
    & skf18("1","6","2","6","1","7","1") = "6"
    & skf18("1","6","2","6","1","8","1") = "7"
    & skf18("1","6","2","6","1","9","1") = "8"
    & skf18("1","6","2","6","1","10","1") = "9"
    & skf18("1","6","2","6","2","1","1") = "5"
    & skf18("1","6","2","6","2","2","1") = "5"
    & skf18("1","6","2","6","2","3","1") = "5"
    & skf18("1","6","2","6","2","4","1") = "5"
    & skf18("1","6","2","6","2","5","1") = "5"
    & skf18("1","6","2","6","2","6","1") = "5"
    & skf18("1","6","2","6","2","7","1") = "6"
    & skf18("1","6","2","6","2","8","1") = "7"
    & skf18("1","6","2","6","2","9","1") = "8"
    & skf18("1","6","2","6","2","10","1") = "9"
    & skf18("1","6","2","6","3","1","1") = "5"
    & skf18("1","6","2","6","3","2","1") = "5"
    & skf18("1","6","2","6","3","3","1") = "5"
    & skf18("1","6","2","6","3","4","1") = "5"
    & skf18("1","6","2","6","3","5","1") = "5"
    & skf18("1","6","2","6","3","6","1") = "5"
    & skf18("1","6","2","6","3","7","1") = "6"
    & skf18("1","6","2","6","3","8","1") = "7"
    & skf18("1","6","2","6","3","9","1") = "8"
    & skf18("1","6","2","6","3","10","1") = "9"
    & skf18("1","6","2","6","4","1","1") = "5"
    & skf18("1","6","2","6","4","2","1") = "5"
    & skf18("1","6","2","6","4","3","1") = "5"
    & skf18("1","6","2","6","4","4","1") = "5"
    & skf18("1","6","2","6","4","5","1") = "5"
    & skf18("1","6","2","6","4","6","1") = "5"
    & skf18("1","6","2","6","4","7","1") = "6"
    & skf18("1","6","2","6","4","8","1") = "7"
    & skf18("1","6","2","6","4","9","1") = "8"
    & skf18("1","6","2","6","4","10","1") = "9"
    & skf18("1","6","2","6","5","1","1") = "5"
    & skf18("1","6","2","6","5","2","1") = "5"
    & skf18("1","6","2","6","5","3","1") = "5"
    & skf18("1","6","2","6","5","4","1") = "5"
    & skf18("1","6","2","6","5","5","1") = "5"
    & skf18("1","6","2","6","5","6","1") = "5"
    & skf18("1","6","2","6","5","7","1") = "6"
    & skf18("1","6","2","6","5","8","1") = "7"
    & skf18("1","6","2","6","5","9","1") = "8"
    & skf18("1","6","2","6","5","10","1") = "9"
    & skf18("1","6","2","6","6","1","1") = "5"
    & skf18("1","6","2","6","6","2","1") = "5"
    & skf18("1","6","2","6","6","3","1") = "5"
    & skf18("1","6","2","6","6","4","1") = "5"
    & skf18("1","6","2","6","6","5","1") = "5"
    & skf18("1","6","2","6","6","6","1") = "5"
    & skf18("1","6","2","6","6","7","1") = "6"
    & skf18("1","6","2","6","6","8","1") = "7"
    & skf18("1","6","2","6","6","9","1") = "8"
    & skf18("1","6","2","6","6","10","1") = "9"
    & skf18("1","6","2","6","7","1","1") = "6"
    & skf18("1","6","2","6","7","2","1") = "6"
    & skf18("1","6","2","6","7","3","1") = "6"
    & skf18("1","6","2","6","7","4","1") = "6"
    & skf18("1","6","2","6","7","5","1") = "6"
    & skf18("1","6","2","6","7","6","1") = "6"
    & skf18("1","6","2","6","7","7","1") = "6"
    & skf18("1","6","2","6","7","8","1") = "7"
    & skf18("1","6","2","6","7","9","1") = "8"
    & skf18("1","6","2","6","7","10","1") = "9"
    & skf18("1","6","2","6","8","1","1") = "7"
    & skf18("1","6","2","6","8","2","1") = "7"
    & skf18("1","6","2","6","8","3","1") = "7"
    & skf18("1","6","2","6","8","4","1") = "7"
    & skf18("1","6","2","6","8","5","1") = "7"
    & skf18("1","6","2","6","8","6","1") = "7"
    & skf18("1","6","2","6","8","7","1") = "7"
    & skf18("1","6","2","6","8","8","1") = "7"
    & skf18("1","6","2","6","8","9","1") = "8"
    & skf18("1","6","2","6","8","10","1") = "9"
    & skf18("1","6","2","6","9","1","1") = "8"
    & skf18("1","6","2","6","9","2","1") = "8"
    & skf18("1","6","2","6","9","3","1") = "8"
    & skf18("1","6","2","6","9","4","1") = "8"
    & skf18("1","6","2","6","9","5","1") = "8"
    & skf18("1","6","2","6","9","6","1") = "8"
    & skf18("1","6","2","6","9","7","1") = "8"
    & skf18("1","6","2","6","9","8","1") = "8"
    & skf18("1","6","2","6","9","9","1") = "8"
    & skf18("1","6","2","6","9","10","1") = "9"
    & skf18("1","6","2","6","10","1","1") = "9"
    & skf18("1","6","2","6","10","2","1") = "9"
    & skf18("1","6","2","6","10","3","1") = "9"
    & skf18("1","6","2","6","10","4","1") = "9"
    & skf18("1","6","2","6","10","5","1") = "9"
    & skf18("1","6","2","6","10","6","1") = "9"
    & skf18("1","6","2","6","10","7","1") = "9"
    & skf18("1","6","2","6","10","8","1") = "9"
    & skf18("1","6","2","6","10","9","1") = "9"
    & skf18("1","6","2","6","10","10","1") = "9"
    & skf18("1","6","2","7","1","1","1") = "6"
    & skf18("1","6","2","7","1","2","1") = "6"
    & skf18("1","6","2","7","1","3","1") = "6"
    & skf18("1","6","2","7","1","4","1") = "6"
    & skf18("1","6","2","7","1","5","1") = "6"
    & skf18("1","6","2","7","1","6","1") = "6"
    & skf18("1","6","2","7","1","7","1") = "6"
    & skf18("1","6","2","7","1","8","1") = "7"
    & skf18("1","6","2","7","1","9","1") = "8"
    & skf18("1","6","2","7","1","10","1") = "9"
    & skf18("1","6","2","7","2","1","1") = "6"
    & skf18("1","6","2","7","2","2","1") = "6"
    & skf18("1","6","2","7","2","3","1") = "6"
    & skf18("1","6","2","7","2","4","1") = "6"
    & skf18("1","6","2","7","2","5","1") = "6"
    & skf18("1","6","2","7","2","6","1") = "6"
    & skf18("1","6","2","7","2","7","1") = "6"
    & skf18("1","6","2","7","2","8","1") = "7"
    & skf18("1","6","2","7","2","9","1") = "8"
    & skf18("1","6","2","7","2","10","1") = "9"
    & skf18("1","6","2","7","3","1","1") = "6"
    & skf18("1","6","2","7","3","2","1") = "6"
    & skf18("1","6","2","7","3","3","1") = "6"
    & skf18("1","6","2","7","3","4","1") = "6"
    & skf18("1","6","2","7","3","5","1") = "6"
    & skf18("1","6","2","7","3","6","1") = "6"
    & skf18("1","6","2","7","3","7","1") = "6"
    & skf18("1","6","2","7","3","8","1") = "7"
    & skf18("1","6","2","7","3","9","1") = "8"
    & skf18("1","6","2","7","3","10","1") = "9"
    & skf18("1","6","2","7","4","1","1") = "6"
    & skf18("1","6","2","7","4","2","1") = "6"
    & skf18("1","6","2","7","4","3","1") = "6"
    & skf18("1","6","2","7","4","4","1") = "6"
    & skf18("1","6","2","7","4","5","1") = "6"
    & skf18("1","6","2","7","4","6","1") = "6"
    & skf18("1","6","2","7","4","7","1") = "6"
    & skf18("1","6","2","7","4","8","1") = "7"
    & skf18("1","6","2","7","4","9","1") = "8"
    & skf18("1","6","2","7","4","10","1") = "9"
    & skf18("1","6","2","7","5","1","1") = "6"
    & skf18("1","6","2","7","5","2","1") = "6"
    & skf18("1","6","2","7","5","3","1") = "6"
    & skf18("1","6","2","7","5","4","1") = "6"
    & skf18("1","6","2","7","5","5","1") = "6"
    & skf18("1","6","2","7","5","6","1") = "6"
    & skf18("1","6","2","7","5","7","1") = "6"
    & skf18("1","6","2","7","5","8","1") = "7"
    & skf18("1","6","2","7","5","9","1") = "8"
    & skf18("1","6","2","7","5","10","1") = "9"
    & skf18("1","6","2","7","6","1","1") = "6"
    & skf18("1","6","2","7","6","2","1") = "6"
    & skf18("1","6","2","7","6","3","1") = "6"
    & skf18("1","6","2","7","6","4","1") = "6"
    & skf18("1","6","2","7","6","5","1") = "6"
    & skf18("1","6","2","7","6","6","1") = "6"
    & skf18("1","6","2","7","6","7","1") = "6"
    & skf18("1","6","2","7","6","8","1") = "7"
    & skf18("1","6","2","7","6","9","1") = "8"
    & skf18("1","6","2","7","6","10","1") = "9"
    & skf18("1","6","2","7","7","1","1") = "6"
    & skf18("1","6","2","7","7","2","1") = "6"
    & skf18("1","6","2","7","7","3","1") = "6"
    & skf18("1","6","2","7","7","4","1") = "6"
    & skf18("1","6","2","7","7","5","1") = "6"
    & skf18("1","6","2","7","7","6","1") = "6"
    & skf18("1","6","2","7","7","7","1") = "6"
    & skf18("1","6","2","7","7","8","1") = "7"
    & skf18("1","6","2","7","7","9","1") = "8"
    & skf18("1","6","2","7","7","10","1") = "9"
    & skf18("1","6","2","7","8","1","1") = "7"
    & skf18("1","6","2","7","8","2","1") = "7"
    & skf18("1","6","2","7","8","3","1") = "7"
    & skf18("1","6","2","7","8","4","1") = "7"
    & skf18("1","6","2","7","8","5","1") = "7"
    & skf18("1","6","2","7","8","6","1") = "7"
    & skf18("1","6","2","7","8","7","1") = "7"
    & skf18("1","6","2","7","8","8","1") = "7"
    & skf18("1","6","2","7","8","9","1") = "8"
    & skf18("1","6","2","7","8","10","1") = "9"
    & skf18("1","6","2","7","9","1","1") = "8"
    & skf18("1","6","2","7","9","2","1") = "8"
    & skf18("1","6","2","7","9","3","1") = "8"
    & skf18("1","6","2","7","9","4","1") = "8"
    & skf18("1","6","2","7","9","5","1") = "8"
    & skf18("1","6","2","7","9","6","1") = "8"
    & skf18("1","6","2","7","9","7","1") = "8"
    & skf18("1","6","2","7","9","8","1") = "8"
    & skf18("1","6","2","7","9","9","1") = "8"
    & skf18("1","6","2","7","9","10","1") = "9"
    & skf18("1","6","2","7","10","1","1") = "9"
    & skf18("1","6","2","7","10","2","1") = "9"
    & skf18("1","6","2","7","10","3","1") = "9"
    & skf18("1","6","2","7","10","4","1") = "9"
    & skf18("1","6","2","7","10","5","1") = "9"
    & skf18("1","6","2","7","10","6","1") = "9"
    & skf18("1","6","2","7","10","7","1") = "9"
    & skf18("1","6","2","7","10","8","1") = "9"
    & skf18("1","6","2","7","10","9","1") = "9"
    & skf18("1","6","2","7","10","10","1") = "9"
    & skf18("1","6","2","8","1","1","1") = "7"
    & skf18("1","6","2","8","1","2","1") = "7"
    & skf18("1","6","2","8","1","3","1") = "7"
    & skf18("1","6","2","8","1","4","1") = "7"
    & skf18("1","6","2","8","1","5","1") = "7"
    & skf18("1","6","2","8","1","6","1") = "7"
    & skf18("1","6","2","8","1","7","1") = "7"
    & skf18("1","6","2","8","1","8","1") = "7"
    & skf18("1","6","2","8","1","9","1") = "8"
    & skf18("1","6","2","8","1","10","1") = "9"
    & skf18("1","6","2","8","2","1","1") = "7"
    & skf18("1","6","2","8","2","2","1") = "7"
    & skf18("1","6","2","8","2","3","1") = "7"
    & skf18("1","6","2","8","2","4","1") = "7"
    & skf18("1","6","2","8","2","5","1") = "7"
    & skf18("1","6","2","8","2","6","1") = "7"
    & skf18("1","6","2","8","2","7","1") = "7"
    & skf18("1","6","2","8","2","8","1") = "7"
    & skf18("1","6","2","8","2","9","1") = "8"
    & skf18("1","6","2","8","2","10","1") = "9"
    & skf18("1","6","2","8","3","1","1") = "7"
    & skf18("1","6","2","8","3","2","1") = "7"
    & skf18("1","6","2","8","3","3","1") = "7"
    & skf18("1","6","2","8","3","4","1") = "7"
    & skf18("1","6","2","8","3","5","1") = "7"
    & skf18("1","6","2","8","3","6","1") = "7"
    & skf18("1","6","2","8","3","7","1") = "7"
    & skf18("1","6","2","8","3","8","1") = "7"
    & skf18("1","6","2","8","3","9","1") = "8"
    & skf18("1","6","2","8","3","10","1") = "9"
    & skf18("1","6","2","8","4","1","1") = "7"
    & skf18("1","6","2","8","4","2","1") = "7"
    & skf18("1","6","2","8","4","3","1") = "7"
    & skf18("1","6","2","8","4","4","1") = "7"
    & skf18("1","6","2","8","4","5","1") = "7"
    & skf18("1","6","2","8","4","6","1") = "7"
    & skf18("1","6","2","8","4","7","1") = "7"
    & skf18("1","6","2","8","4","8","1") = "7"
    & skf18("1","6","2","8","4","9","1") = "8"
    & skf18("1","6","2","8","4","10","1") = "9"
    & skf18("1","6","2","8","5","1","1") = "7"
    & skf18("1","6","2","8","5","2","1") = "7"
    & skf18("1","6","2","8","5","3","1") = "7"
    & skf18("1","6","2","8","5","4","1") = "7"
    & skf18("1","6","2","8","5","5","1") = "7"
    & skf18("1","6","2","8","5","6","1") = "7"
    & skf18("1","6","2","8","5","7","1") = "7"
    & skf18("1","6","2","8","5","8","1") = "7"
    & skf18("1","6","2","8","5","9","1") = "8"
    & skf18("1","6","2","8","5","10","1") = "9"
    & skf18("1","6","2","8","6","1","1") = "7"
    & skf18("1","6","2","8","6","2","1") = "7"
    & skf18("1","6","2","8","6","3","1") = "7"
    & skf18("1","6","2","8","6","4","1") = "7"
    & skf18("1","6","2","8","6","5","1") = "7"
    & skf18("1","6","2","8","6","6","1") = "7"
    & skf18("1","6","2","8","6","7","1") = "7"
    & skf18("1","6","2","8","6","8","1") = "7"
    & skf18("1","6","2","8","6","9","1") = "8"
    & skf18("1","6","2","8","6","10","1") = "9"
    & skf18("1","6","2","8","7","1","1") = "7"
    & skf18("1","6","2","8","7","2","1") = "7"
    & skf18("1","6","2","8","7","3","1") = "7"
    & skf18("1","6","2","8","7","4","1") = "7"
    & skf18("1","6","2","8","7","5","1") = "7"
    & skf18("1","6","2","8","7","6","1") = "7"
    & skf18("1","6","2","8","7","7","1") = "7"
    & skf18("1","6","2","8","7","8","1") = "7"
    & skf18("1","6","2","8","7","9","1") = "8"
    & skf18("1","6","2","8","7","10","1") = "9"
    & skf18("1","6","2","8","8","1","1") = "7"
    & skf18("1","6","2","8","8","2","1") = "7"
    & skf18("1","6","2","8","8","3","1") = "7"
    & skf18("1","6","2","8","8","4","1") = "7"
    & skf18("1","6","2","8","8","5","1") = "7"
    & skf18("1","6","2","8","8","6","1") = "7"
    & skf18("1","6","2","8","8","7","1") = "7"
    & skf18("1","6","2","8","8","8","1") = "7"
    & skf18("1","6","2","8","8","9","1") = "8"
    & skf18("1","6","2","8","8","10","1") = "9"
    & skf18("1","6","2","8","9","1","1") = "8"
    & skf18("1","6","2","8","9","2","1") = "8"
    & skf18("1","6","2","8","9","3","1") = "8"
    & skf18("1","6","2","8","9","4","1") = "8"
    & skf18("1","6","2","8","9","5","1") = "8"
    & skf18("1","6","2","8","9","6","1") = "8"
    & skf18("1","6","2","8","9","7","1") = "8"
    & skf18("1","6","2","8","9","8","1") = "8"
    & skf18("1","6","2","8","9","9","1") = "8"
    & skf18("1","6","2","8","9","10","1") = "9"
    & skf18("1","6","2","8","10","1","1") = "9"
    & skf18("1","6","2","8","10","2","1") = "9"
    & skf18("1","6","2","8","10","3","1") = "9"
    & skf18("1","6","2","8","10","4","1") = "9"
    & skf18("1","6","2","8","10","5","1") = "9"
    & skf18("1","6","2","8","10","6","1") = "9"
    & skf18("1","6","2","8","10","7","1") = "9"
    & skf18("1","6","2","8","10","8","1") = "9"
    & skf18("1","6","2","8","10","9","1") = "9"
    & skf18("1","6","2","8","10","10","1") = "9"
    & skf18("1","6","2","9","1","1","1") = "8"
    & skf18("1","6","2","9","1","2","1") = "8"
    & skf18("1","6","2","9","1","3","1") = "8"
    & skf18("1","6","2","9","1","4","1") = "8"
    & skf18("1","6","2","9","1","5","1") = "8"
    & skf18("1","6","2","9","1","6","1") = "8"
    & skf18("1","6","2","9","1","7","1") = "8"
    & skf18("1","6","2","9","1","8","1") = "8"
    & skf18("1","6","2","9","1","9","1") = "8"
    & skf18("1","6","2","9","1","10","1") = "9"
    & skf18("1","6","2","9","2","1","1") = "8"
    & skf18("1","6","2","9","2","2","1") = "8"
    & skf18("1","6","2","9","2","3","1") = "8"
    & skf18("1","6","2","9","2","4","1") = "8"
    & skf18("1","6","2","9","2","5","1") = "8"
    & skf18("1","6","2","9","2","6","1") = "8"
    & skf18("1","6","2","9","2","7","1") = "8"
    & skf18("1","6","2","9","2","8","1") = "8"
    & skf18("1","6","2","9","2","9","1") = "8"
    & skf18("1","6","2","9","2","10","1") = "9"
    & skf18("1","6","2","9","3","1","1") = "8"
    & skf18("1","6","2","9","3","2","1") = "8"
    & skf18("1","6","2","9","3","3","1") = "8"
    & skf18("1","6","2","9","3","4","1") = "8"
    & skf18("1","6","2","9","3","5","1") = "8"
    & skf18("1","6","2","9","3","6","1") = "8"
    & skf18("1","6","2","9","3","7","1") = "8"
    & skf18("1","6","2","9","3","8","1") = "8"
    & skf18("1","6","2","9","3","9","1") = "8"
    & skf18("1","6","2","9","3","10","1") = "9"
    & skf18("1","6","2","9","4","1","1") = "8"
    & skf18("1","6","2","9","4","2","1") = "8"
    & skf18("1","6","2","9","4","3","1") = "8"
    & skf18("1","6","2","9","4","4","1") = "8"
    & skf18("1","6","2","9","4","5","1") = "8"
    & skf18("1","6","2","9","4","6","1") = "8"
    & skf18("1","6","2","9","4","7","1") = "8"
    & skf18("1","6","2","9","4","8","1") = "8"
    & skf18("1","6","2","9","4","9","1") = "8"
    & skf18("1","6","2","9","4","10","1") = "9"
    & skf18("1","6","2","9","5","1","1") = "8"
    & skf18("1","6","2","9","5","2","1") = "8"
    & skf18("1","6","2","9","5","3","1") = "8"
    & skf18("1","6","2","9","5","4","1") = "8"
    & skf18("1","6","2","9","5","5","1") = "8"
    & skf18("1","6","2","9","5","6","1") = "8"
    & skf18("1","6","2","9","5","7","1") = "8"
    & skf18("1","6","2","9","5","8","1") = "8"
    & skf18("1","6","2","9","5","9","1") = "8"
    & skf18("1","6","2","9","5","10","1") = "9"
    & skf18("1","6","2","9","6","1","1") = "8"
    & skf18("1","6","2","9","6","2","1") = "8"
    & skf18("1","6","2","9","6","3","1") = "8"
    & skf18("1","6","2","9","6","4","1") = "8"
    & skf18("1","6","2","9","6","5","1") = "8"
    & skf18("1","6","2","9","6","6","1") = "8"
    & skf18("1","6","2","9","6","7","1") = "8"
    & skf18("1","6","2","9","6","8","1") = "8"
    & skf18("1","6","2","9","6","9","1") = "8"
    & skf18("1","6","2","9","6","10","1") = "9"
    & skf18("1","6","2","9","7","1","1") = "8"
    & skf18("1","6","2","9","7","2","1") = "8"
    & skf18("1","6","2","9","7","3","1") = "8"
    & skf18("1","6","2","9","7","4","1") = "8"
    & skf18("1","6","2","9","7","5","1") = "8"
    & skf18("1","6","2","9","7","6","1") = "8"
    & skf18("1","6","2","9","7","7","1") = "8"
    & skf18("1","6","2","9","7","8","1") = "8"
    & skf18("1","6","2","9","7","9","1") = "8"
    & skf18("1","6","2","9","7","10","1") = "9"
    & skf18("1","6","2","9","8","1","1") = "8"
    & skf18("1","6","2","9","8","2","1") = "8"
    & skf18("1","6","2","9","8","3","1") = "8"
    & skf18("1","6","2","9","8","4","1") = "8"
    & skf18("1","6","2","9","8","5","1") = "8"
    & skf18("1","6","2","9","8","6","1") = "8"
    & skf18("1","6","2","9","8","7","1") = "8"
    & skf18("1","6","2","9","8","8","1") = "8"
    & skf18("1","6","2","9","8","9","1") = "8"
    & skf18("1","6","2","9","8","10","1") = "9"
    & skf18("1","6","2","9","9","1","1") = "8"
    & skf18("1","6","2","9","9","2","1") = "8"
    & skf18("1","6","2","9","9","3","1") = "8"
    & skf18("1","6","2","9","9","4","1") = "8"
    & skf18("1","6","2","9","9","5","1") = "8"
    & skf18("1","6","2","9","9","6","1") = "8"
    & skf18("1","6","2","9","9","7","1") = "8"
    & skf18("1","6","2","9","9","8","1") = "8"
    & skf18("1","6","2","9","9","9","1") = "8"
    & skf18("1","6","2","9","9","10","1") = "9"
    & skf18("1","6","2","9","10","1","1") = "9"
    & skf18("1","6","2","9","10","2","1") = "9"
    & skf18("1","6","2","9","10","3","1") = "9"
    & skf18("1","6","2","9","10","4","1") = "9"
    & skf18("1","6","2","9","10","5","1") = "9"
    & skf18("1","6","2","9","10","6","1") = "9"
    & skf18("1","6","2","9","10","7","1") = "9"
    & skf18("1","6","2","9","10","8","1") = "9"
    & skf18("1","6","2","9","10","9","1") = "9"
    & skf18("1","6","2","9","10","10","1") = "9"
    & skf18("1","6","2","10","1","1","1") = "9"
    & skf18("1","6","2","10","1","2","1") = "9"
    & skf18("1","6","2","10","1","3","1") = "9"
    & skf18("1","6","2","10","1","4","1") = "9"
    & skf18("1","6","2","10","1","5","1") = "9"
    & skf18("1","6","2","10","1","6","1") = "9"
    & skf18("1","6","2","10","1","7","1") = "9"
    & skf18("1","6","2","10","1","8","1") = "9"
    & skf18("1","6","2","10","1","9","1") = "9"
    & skf18("1","6","2","10","1","10","1") = "9"
    & skf18("1","6","2","10","2","1","1") = "9"
    & skf18("1","6","2","10","2","2","1") = "9"
    & skf18("1","6","2","10","2","3","1") = "9"
    & skf18("1","6","2","10","2","4","1") = "9"
    & skf18("1","6","2","10","2","5","1") = "9"
    & skf18("1","6","2","10","2","6","1") = "9"
    & skf18("1","6","2","10","2","7","1") = "9"
    & skf18("1","6","2","10","2","8","1") = "9"
    & skf18("1","6","2","10","2","9","1") = "9"
    & skf18("1","6","2","10","2","10","1") = "9"
    & skf18("1","6","2","10","3","1","1") = "9"
    & skf18("1","6","2","10","3","2","1") = "9"
    & skf18("1","6","2","10","3","3","1") = "9"
    & skf18("1","6","2","10","3","4","1") = "9"
    & skf18("1","6","2","10","3","5","1") = "9"
    & skf18("1","6","2","10","3","6","1") = "9"
    & skf18("1","6","2","10","3","7","1") = "9"
    & skf18("1","6","2","10","3","8","1") = "9"
    & skf18("1","6","2","10","3","9","1") = "9"
    & skf18("1","6","2","10","3","10","1") = "9"
    & skf18("1","6","2","10","4","1","1") = "9"
    & skf18("1","6","2","10","4","2","1") = "9"
    & skf18("1","6","2","10","4","3","1") = "9"
    & skf18("1","6","2","10","4","4","1") = "9"
    & skf18("1","6","2","10","4","5","1") = "9"
    & skf18("1","6","2","10","4","6","1") = "9"
    & skf18("1","6","2","10","4","7","1") = "9"
    & skf18("1","6","2","10","4","8","1") = "9"
    & skf18("1","6","2","10","4","9","1") = "9"
    & skf18("1","6","2","10","4","10","1") = "9"
    & skf18("1","6","2","10","5","1","1") = "9"
    & skf18("1","6","2","10","5","2","1") = "9"
    & skf18("1","6","2","10","5","3","1") = "9"
    & skf18("1","6","2","10","5","4","1") = "9"
    & skf18("1","6","2","10","5","5","1") = "9"
    & skf18("1","6","2","10","5","6","1") = "9"
    & skf18("1","6","2","10","5","7","1") = "9"
    & skf18("1","6","2","10","5","8","1") = "9"
    & skf18("1","6","2","10","5","9","1") = "9"
    & skf18("1","6","2","10","5","10","1") = "9"
    & skf18("1","6","2","10","6","1","1") = "9"
    & skf18("1","6","2","10","6","2","1") = "9"
    & skf18("1","6","2","10","6","3","1") = "9"
    & skf18("1","6","2","10","6","4","1") = "9"
    & skf18("1","6","2","10","6","5","1") = "9"
    & skf18("1","6","2","10","6","6","1") = "9"
    & skf18("1","6","2","10","6","7","1") = "9"
    & skf18("1","6","2","10","6","8","1") = "9"
    & skf18("1","6","2","10","6","9","1") = "9"
    & skf18("1","6","2","10","6","10","1") = "9"
    & skf18("1","6","2","10","7","1","1") = "9"
    & skf18("1","6","2","10","7","2","1") = "9"
    & skf18("1","6","2","10","7","3","1") = "9"
    & skf18("1","6","2","10","7","4","1") = "9"
    & skf18("1","6","2","10","7","5","1") = "9"
    & skf18("1","6","2","10","7","6","1") = "9"
    & skf18("1","6","2","10","7","7","1") = "9"
    & skf18("1","6","2","10","7","8","1") = "9"
    & skf18("1","6","2","10","7","9","1") = "9"
    & skf18("1","6","2","10","7","10","1") = "9"
    & skf18("1","6","2","10","8","1","1") = "9"
    & skf18("1","6","2","10","8","2","1") = "9"
    & skf18("1","6","2","10","8","3","1") = "9"
    & skf18("1","6","2","10","8","4","1") = "9"
    & skf18("1","6","2","10","8","5","1") = "9"
    & skf18("1","6","2","10","8","6","1") = "9"
    & skf18("1","6","2","10","8","7","1") = "9"
    & skf18("1","6","2","10","8","8","1") = "9"
    & skf18("1","6","2","10","8","9","1") = "9"
    & skf18("1","6","2","10","8","10","1") = "9"
    & skf18("1","6","2","10","9","1","1") = "9"
    & skf18("1","6","2","10","9","2","1") = "9"
    & skf18("1","6","2","10","9","3","1") = "9"
    & skf18("1","6","2","10","9","4","1") = "9"
    & skf18("1","6","2","10","9","5","1") = "9"
    & skf18("1","6","2","10","9","6","1") = "9"
    & skf18("1","6","2","10","9","7","1") = "9"
    & skf18("1","6","2","10","9","8","1") = "9"
    & skf18("1","6","2","10","9","9","1") = "9"
    & skf18("1","6","2","10","9","10","1") = "9"
    & skf18("1","6","2","10","10","1","1") = "9"
    & skf18("1","6","2","10","10","2","1") = "9"
    & skf18("1","6","2","10","10","3","1") = "9"
    & skf18("1","6","2","10","10","4","1") = "9"
    & skf18("1","6","2","10","10","5","1") = "9"
    & skf18("1","6","2","10","10","6","1") = "9"
    & skf18("1","6","2","10","10","7","1") = "9"
    & skf18("1","6","2","10","10","8","1") = "9"
    & skf18("1","6","2","10","10","9","1") = "9"
    & skf18("1","6","2","10","10","10","1") = "9"
    & skf18("1","6","3","1","1","1","1") = "5"
    & skf18("1","6","3","1","1","2","1") = "5"
    & skf18("1","6","3","1","1","3","1") = "5"
    & skf18("1","6","3","1","1","4","1") = "5"
    & skf18("1","6","3","1","1","5","1") = "5"
    & skf18("1","6","3","1","1","6","1") = "5"
    & skf18("1","6","3","1","1","7","1") = "6"
    & skf18("1","6","3","1","1","8","1") = "7"
    & skf18("1","6","3","1","1","9","1") = "8"
    & skf18("1","6","3","1","1","10","1") = "9"
    & skf18("1","6","3","1","2","1","1") = "5"
    & skf18("1","6","3","1","2","2","1") = "5"
    & skf18("1","6","3","1","2","3","1") = "5"
    & skf18("1","6","3","1","2","4","1") = "5"
    & skf18("1","6","3","1","2","5","1") = "5"
    & skf18("1","6","3","1","2","6","1") = "5"
    & skf18("1","6","3","1","2","7","1") = "6"
    & skf18("1","6","3","1","2","8","1") = "7"
    & skf18("1","6","3","1","2","9","1") = "8"
    & skf18("1","6","3","1","2","10","1") = "9"
    & skf18("1","6","3","1","3","1","1") = "5"
    & skf18("1","6","3","1","3","2","1") = "5"
    & skf18("1","6","3","1","3","3","1") = "5"
    & skf18("1","6","3","1","3","4","1") = "5"
    & skf18("1","6","3","1","3","5","1") = "5"
    & skf18("1","6","3","1","3","6","1") = "5"
    & skf18("1","6","3","1","3","7","1") = "6"
    & skf18("1","6","3","1","3","8","1") = "7"
    & skf18("1","6","3","1","3","9","1") = "8"
    & skf18("1","6","3","1","3","10","1") = "9"
    & skf18("1","6","3","1","4","1","1") = "5"
    & skf18("1","6","3","1","4","2","1") = "5"
    & skf18("1","6","3","1","4","3","1") = "5"
    & skf18("1","6","3","1","4","4","1") = "5"
    & skf18("1","6","3","1","4","5","1") = "5"
    & skf18("1","6","3","1","4","6","1") = "5"
    & skf18("1","6","3","1","4","7","1") = "6"
    & skf18("1","6","3","1","4","8","1") = "7"
    & skf18("1","6","3","1","4","9","1") = "8"
    & skf18("1","6","3","1","4","10","1") = "9"
    & skf18("1","6","3","1","5","1","1") = "5"
    & skf18("1","6","3","1","5","2","1") = "5"
    & skf18("1","6","3","1","5","3","1") = "5"
    & skf18("1","6","3","1","5","4","1") = "5"
    & skf18("1","6","3","1","5","5","1") = "5"
    & skf18("1","6","3","1","5","6","1") = "5"
    & skf18("1","6","3","1","5","7","1") = "6"
    & skf18("1","6","3","1","5","8","1") = "7"
    & skf18("1","6","3","1","5","9","1") = "8"
    & skf18("1","6","3","1","5","10","1") = "9"
    & skf18("1","6","3","1","6","1","1") = "5"
    & skf18("1","6","3","1","6","2","1") = "5"
    & skf18("1","6","3","1","6","3","1") = "5"
    & skf18("1","6","3","1","6","4","1") = "5"
    & skf18("1","6","3","1","6","5","1") = "5"
    & skf18("1","6","3","1","6","6","1") = "5"
    & skf18("1","6","3","1","6","7","1") = "6"
    & skf18("1","6","3","1","6","8","1") = "7"
    & skf18("1","6","3","1","6","9","1") = "8"
    & skf18("1","6","3","1","6","10","1") = "9"
    & skf18("1","6","3","1","7","1","1") = "6"
    & skf18("1","6","3","1","7","2","1") = "6"
    & skf18("1","6","3","1","7","3","1") = "6"
    & skf18("1","6","3","1","7","4","1") = "6"
    & skf18("1","6","3","1","7","5","1") = "6"
    & skf18("1","6","3","1","7","6","1") = "6"
    & skf18("1","6","3","1","7","7","1") = "6"
    & skf18("1","6","3","1","7","8","1") = "7"
    & skf18("1","6","3","1","7","9","1") = "8"
    & skf18("1","6","3","1","7","10","1") = "9"
    & skf18("1","6","3","1","8","1","1") = "7"
    & skf18("1","6","3","1","8","2","1") = "7"
    & skf18("1","6","3","1","8","3","1") = "7"
    & skf18("1","6","3","1","8","4","1") = "7"
    & skf18("1","6","3","1","8","5","1") = "7"
    & skf18("1","6","3","1","8","6","1") = "7"
    & skf18("1","6","3","1","8","7","1") = "7"
    & skf18("1","6","3","1","8","8","1") = "7"
    & skf18("1","6","3","1","8","9","1") = "8"
    & skf18("1","6","3","1","8","10","1") = "9"
    & skf18("1","6","3","1","9","1","1") = "8"
    & skf18("1","6","3","1","9","2","1") = "8"
    & skf18("1","6","3","1","9","3","1") = "8"
    & skf18("1","6","3","1","9","4","1") = "8"
    & skf18("1","6","3","1","9","5","1") = "8"
    & skf18("1","6","3","1","9","6","1") = "8"
    & skf18("1","6","3","1","9","7","1") = "8"
    & skf18("1","6","3","1","9","8","1") = "8"
    & skf18("1","6","3","1","9","9","1") = "8"
    & skf18("1","6","3","1","9","10","1") = "9"
    & skf18("1","6","3","1","10","1","1") = "9"
    & skf18("1","6","3","1","10","2","1") = "9"
    & skf18("1","6","3","1","10","3","1") = "9"
    & skf18("1","6","3","1","10","4","1") = "9"
    & skf18("1","6","3","1","10","5","1") = "9"
    & skf18("1","6","3","1","10","6","1") = "9"
    & skf18("1","6","3","1","10","7","1") = "9"
    & skf18("1","6","3","1","10","8","1") = "9"
    & skf18("1","6","3","1","10","9","1") = "9"
    & skf18("1","6","3","1","10","10","1") = "9"
    & skf18("1","6","3","2","1","1","1") = "5"
    & skf18("1","6","3","2","1","2","1") = "5"
    & skf18("1","6","3","2","1","3","1") = "5"
    & skf18("1","6","3","2","1","4","1") = "5"
    & skf18("1","6","3","2","1","5","1") = "5"
    & skf18("1","6","3","2","1","6","1") = "5"
    & skf18("1","6","3","2","1","7","1") = "6"
    & skf18("1","6","3","2","1","8","1") = "7"
    & skf18("1","6","3","2","1","9","1") = "8"
    & skf18("1","6","3","2","1","10","1") = "9"
    & skf18("1","6","3","2","2","1","1") = "5"
    & skf18("1","6","3","2","2","2","1") = "5"
    & skf18("1","6","3","2","2","3","1") = "5"
    & skf18("1","6","3","2","2","4","1") = "5"
    & skf18("1","6","3","2","2","5","1") = "5"
    & skf18("1","6","3","2","2","6","1") = "5"
    & skf18("1","6","3","2","2","7","1") = "6"
    & skf18("1","6","3","2","2","8","1") = "7"
    & skf18("1","6","3","2","2","9","1") = "8"
    & skf18("1","6","3","2","2","10","1") = "9"
    & skf18("1","6","3","2","3","1","1") = "5"
    & skf18("1","6","3","2","3","2","1") = "5"
    & skf18("1","6","3","2","3","3","1") = "5"
    & skf18("1","6","3","2","3","4","1") = "5"
    & skf18("1","6","3","2","3","5","1") = "5"
    & skf18("1","6","3","2","3","6","1") = "5"
    & skf18("1","6","3","2","3","7","1") = "6"
    & skf18("1","6","3","2","3","8","1") = "7"
    & skf18("1","6","3","2","3","9","1") = "8"
    & skf18("1","6","3","2","3","10","1") = "9"
    & skf18("1","6","3","2","4","1","1") = "5"
    & skf18("1","6","3","2","4","2","1") = "5"
    & skf18("1","6","3","2","4","3","1") = "5"
    & skf18("1","6","3","2","4","4","1") = "5"
    & skf18("1","6","3","2","4","5","1") = "5"
    & skf18("1","6","3","2","4","6","1") = "5"
    & skf18("1","6","3","2","4","7","1") = "6"
    & skf18("1","6","3","2","4","8","1") = "7"
    & skf18("1","6","3","2","4","9","1") = "8"
    & skf18("1","6","3","2","4","10","1") = "9"
    & skf18("1","6","3","2","5","1","1") = "5"
    & skf18("1","6","3","2","5","2","1") = "5"
    & skf18("1","6","3","2","5","3","1") = "5"
    & skf18("1","6","3","2","5","4","1") = "5"
    & skf18("1","6","3","2","5","5","1") = "5"
    & skf18("1","6","3","2","5","6","1") = "5"
    & skf18("1","6","3","2","5","7","1") = "6"
    & skf18("1","6","3","2","5","8","1") = "7"
    & skf18("1","6","3","2","5","9","1") = "8"
    & skf18("1","6","3","2","5","10","1") = "9"
    & skf18("1","6","3","2","6","1","1") = "5"
    & skf18("1","6","3","2","6","2","1") = "5"
    & skf18("1","6","3","2","6","3","1") = "5"
    & skf18("1","6","3","2","6","4","1") = "5"
    & skf18("1","6","3","2","6","5","1") = "5"
    & skf18("1","6","3","2","6","6","1") = "5"
    & skf18("1","6","3","2","6","7","1") = "6"
    & skf18("1","6","3","2","6","8","1") = "7"
    & skf18("1","6","3","2","6","9","1") = "8"
    & skf18("1","6","3","2","6","10","1") = "9"
    & skf18("1","6","3","2","7","1","1") = "6"
    & skf18("1","6","3","2","7","2","1") = "6"
    & skf18("1","6","3","2","7","3","1") = "6"
    & skf18("1","6","3","2","7","4","1") = "6"
    & skf18("1","6","3","2","7","5","1") = "6"
    & skf18("1","6","3","2","7","6","1") = "6"
    & skf18("1","6","3","2","7","7","1") = "6"
    & skf18("1","6","3","2","7","8","1") = "7"
    & skf18("1","6","3","2","7","9","1") = "8"
    & skf18("1","6","3","2","7","10","1") = "9"
    & skf18("1","6","3","2","8","1","1") = "7"
    & skf18("1","6","3","2","8","2","1") = "7"
    & skf18("1","6","3","2","8","3","1") = "7"
    & skf18("1","6","3","2","8","4","1") = "7"
    & skf18("1","6","3","2","8","5","1") = "7"
    & skf18("1","6","3","2","8","6","1") = "7"
    & skf18("1","6","3","2","8","7","1") = "7"
    & skf18("1","6","3","2","8","8","1") = "7"
    & skf18("1","6","3","2","8","9","1") = "8"
    & skf18("1","6","3","2","8","10","1") = "9"
    & skf18("1","6","3","2","9","1","1") = "8"
    & skf18("1","6","3","2","9","2","1") = "8"
    & skf18("1","6","3","2","9","3","1") = "8"
    & skf18("1","6","3","2","9","4","1") = "8"
    & skf18("1","6","3","2","9","5","1") = "8"
    & skf18("1","6","3","2","9","6","1") = "8"
    & skf18("1","6","3","2","9","7","1") = "8"
    & skf18("1","6","3","2","9","8","1") = "8"
    & skf18("1","6","3","2","9","9","1") = "8"
    & skf18("1","6","3","2","9","10","1") = "9"
    & skf18("1","6","3","2","10","1","1") = "9"
    & skf18("1","6","3","2","10","2","1") = "9"
    & skf18("1","6","3","2","10","3","1") = "9"
    & skf18("1","6","3","2","10","4","1") = "9"
    & skf18("1","6","3","2","10","5","1") = "9"
    & skf18("1","6","3","2","10","6","1") = "9"
    & skf18("1","6","3","2","10","7","1") = "9"
    & skf18("1","6","3","2","10","8","1") = "9"
    & skf18("1","6","3","2","10","9","1") = "9"
    & skf18("1","6","3","2","10","10","1") = "9"
    & skf18("1","6","3","3","1","1","1") = "5"
    & skf18("1","6","3","3","1","2","1") = "5"
    & skf18("1","6","3","3","1","3","1") = "5"
    & skf18("1","6","3","3","1","4","1") = "5"
    & skf18("1","6","3","3","1","5","1") = "5"
    & skf18("1","6","3","3","1","6","1") = "5"
    & skf18("1","6","3","3","1","7","1") = "6"
    & skf18("1","6","3","3","1","8","1") = "7"
    & skf18("1","6","3","3","1","9","1") = "8"
    & skf18("1","6","3","3","1","10","1") = "9"
    & skf18("1","6","3","3","2","1","1") = "5"
    & skf18("1","6","3","3","2","2","1") = "5"
    & skf18("1","6","3","3","2","3","1") = "5"
    & skf18("1","6","3","3","2","4","1") = "5"
    & skf18("1","6","3","3","2","5","1") = "5"
    & skf18("1","6","3","3","2","6","1") = "5"
    & skf18("1","6","3","3","2","7","1") = "6"
    & skf18("1","6","3","3","2","8","1") = "7"
    & skf18("1","6","3","3","2","9","1") = "8"
    & skf18("1","6","3","3","2","10","1") = "9"
    & skf18("1","6","3","3","3","1","1") = "5"
    & skf18("1","6","3","3","3","2","1") = "5"
    & skf18("1","6","3","3","3","3","1") = "5"
    & skf18("1","6","3","3","3","4","1") = "5"
    & skf18("1","6","3","3","3","5","1") = "5"
    & skf18("1","6","3","3","3","6","1") = "5"
    & skf18("1","6","3","3","3","7","1") = "6"
    & skf18("1","6","3","3","3","8","1") = "7"
    & skf18("1","6","3","3","3","9","1") = "8"
    & skf18("1","6","3","3","3","10","1") = "9"
    & skf18("1","6","3","3","4","1","1") = "5"
    & skf18("1","6","3","3","4","2","1") = "5"
    & skf18("1","6","3","3","4","3","1") = "5"
    & skf18("1","6","3","3","4","4","1") = "5"
    & skf18("1","6","3","3","4","5","1") = "5"
    & skf18("1","6","3","3","4","6","1") = "5"
    & skf18("1","6","3","3","4","7","1") = "6"
    & skf18("1","6","3","3","4","8","1") = "7"
    & skf18("1","6","3","3","4","9","1") = "8"
    & skf18("1","6","3","3","4","10","1") = "9"
    & skf18("1","6","3","3","5","1","1") = "5"
    & skf18("1","6","3","3","5","2","1") = "5"
    & skf18("1","6","3","3","5","3","1") = "5"
    & skf18("1","6","3","3","5","4","1") = "5"
    & skf18("1","6","3","3","5","5","1") = "5"
    & skf18("1","6","3","3","5","6","1") = "5"
    & skf18("1","6","3","3","5","7","1") = "6"
    & skf18("1","6","3","3","5","8","1") = "7"
    & skf18("1","6","3","3","5","9","1") = "8"
    & skf18("1","6","3","3","5","10","1") = "9"
    & skf18("1","6","3","3","6","1","1") = "5"
    & skf18("1","6","3","3","6","2","1") = "5"
    & skf18("1","6","3","3","6","3","1") = "5"
    & skf18("1","6","3","3","6","4","1") = "5"
    & skf18("1","6","3","3","6","5","1") = "5"
    & skf18("1","6","3","3","6","6","1") = "5"
    & skf18("1","6","3","3","6","7","1") = "6"
    & skf18("1","6","3","3","6","8","1") = "7"
    & skf18("1","6","3","3","6","9","1") = "8"
    & skf18("1","6","3","3","6","10","1") = "9"
    & skf18("1","6","3","3","7","1","1") = "6"
    & skf18("1","6","3","3","7","2","1") = "6"
    & skf18("1","6","3","3","7","3","1") = "6"
    & skf18("1","6","3","3","7","4","1") = "6"
    & skf18("1","6","3","3","7","5","1") = "6"
    & skf18("1","6","3","3","7","6","1") = "6"
    & skf18("1","6","3","3","7","7","1") = "6"
    & skf18("1","6","3","3","7","8","1") = "7"
    & skf18("1","6","3","3","7","9","1") = "8"
    & skf18("1","6","3","3","7","10","1") = "9"
    & skf18("1","6","3","3","8","1","1") = "7"
    & skf18("1","6","3","3","8","2","1") = "7"
    & skf18("1","6","3","3","8","3","1") = "7"
    & skf18("1","6","3","3","8","4","1") = "7"
    & skf18("1","6","3","3","8","5","1") = "7"
    & skf18("1","6","3","3","8","6","1") = "7"
    & skf18("1","6","3","3","8","7","1") = "7"
    & skf18("1","6","3","3","8","8","1") = "7"
    & skf18("1","6","3","3","8","9","1") = "8"
    & skf18("1","6","3","3","8","10","1") = "9"
    & skf18("1","6","3","3","9","1","1") = "8"
    & skf18("1","6","3","3","9","2","1") = "8"
    & skf18("1","6","3","3","9","3","1") = "8"
    & skf18("1","6","3","3","9","4","1") = "8"
    & skf18("1","6","3","3","9","5","1") = "8"
    & skf18("1","6","3","3","9","6","1") = "8"
    & skf18("1","6","3","3","9","7","1") = "8"
    & skf18("1","6","3","3","9","8","1") = "8"
    & skf18("1","6","3","3","9","9","1") = "8"
    & skf18("1","6","3","3","9","10","1") = "9"
    & skf18("1","6","3","3","10","1","1") = "9"
    & skf18("1","6","3","3","10","2","1") = "9"
    & skf18("1","6","3","3","10","3","1") = "9"
    & skf18("1","6","3","3","10","4","1") = "9"
    & skf18("1","6","3","3","10","5","1") = "9"
    & skf18("1","6","3","3","10","6","1") = "9"
    & skf18("1","6","3","3","10","7","1") = "9"
    & skf18("1","6","3","3","10","8","1") = "9"
    & skf18("1","6","3","3","10","9","1") = "9"
    & skf18("1","6","3","3","10","10","1") = "9"
    & skf18("1","6","3","4","1","1","1") = "5"
    & skf18("1","6","3","4","1","2","1") = "5"
    & skf18("1","6","3","4","1","3","1") = "5"
    & skf18("1","6","3","4","1","4","1") = "5"
    & skf18("1","6","3","4","1","5","1") = "5"
    & skf18("1","6","3","4","1","6","1") = "5"
    & skf18("1","6","3","4","1","7","1") = "6"
    & skf18("1","6","3","4","1","8","1") = "7"
    & skf18("1","6","3","4","1","9","1") = "8"
    & skf18("1","6","3","4","1","10","1") = "9"
    & skf18("1","6","3","4","2","1","1") = "5"
    & skf18("1","6","3","4","2","2","1") = "5"
    & skf18("1","6","3","4","2","3","1") = "5"
    & skf18("1","6","3","4","2","4","1") = "5"
    & skf18("1","6","3","4","2","5","1") = "5"
    & skf18("1","6","3","4","2","6","1") = "5"
    & skf18("1","6","3","4","2","7","1") = "6"
    & skf18("1","6","3","4","2","8","1") = "7"
    & skf18("1","6","3","4","2","9","1") = "8"
    & skf18("1","6","3","4","2","10","1") = "9"
    & skf18("1","6","3","4","3","1","1") = "5"
    & skf18("1","6","3","4","3","2","1") = "5"
    & skf18("1","6","3","4","3","3","1") = "5"
    & skf18("1","6","3","4","3","4","1") = "5"
    & skf18("1","6","3","4","3","5","1") = "5"
    & skf18("1","6","3","4","3","6","1") = "5"
    & skf18("1","6","3","4","3","7","1") = "6"
    & skf18("1","6","3","4","3","8","1") = "7"
    & skf18("1","6","3","4","3","9","1") = "8"
    & skf18("1","6","3","4","3","10","1") = "9"
    & skf18("1","6","3","4","4","1","1") = "5"
    & skf18("1","6","3","4","4","2","1") = "5"
    & skf18("1","6","3","4","4","3","1") = "5"
    & skf18("1","6","3","4","4","4","1") = "5"
    & skf18("1","6","3","4","4","5","1") = "5"
    & skf18("1","6","3","4","4","6","1") = "5"
    & skf18("1","6","3","4","4","7","1") = "6"
    & skf18("1","6","3","4","4","8","1") = "7"
    & skf18("1","6","3","4","4","9","1") = "8"
    & skf18("1","6","3","4","4","10","1") = "9"
    & skf18("1","6","3","4","5","1","1") = "5"
    & skf18("1","6","3","4","5","2","1") = "5"
    & skf18("1","6","3","4","5","3","1") = "5"
    & skf18("1","6","3","4","5","4","1") = "5"
    & skf18("1","6","3","4","5","5","1") = "5"
    & skf18("1","6","3","4","5","6","1") = "5"
    & skf18("1","6","3","4","5","7","1") = "6"
    & skf18("1","6","3","4","5","8","1") = "7"
    & skf18("1","6","3","4","5","9","1") = "8"
    & skf18("1","6","3","4","5","10","1") = "9"
    & skf18("1","6","3","4","6","1","1") = "5"
    & skf18("1","6","3","4","6","2","1") = "5"
    & skf18("1","6","3","4","6","3","1") = "5"
    & skf18("1","6","3","4","6","4","1") = "5"
    & skf18("1","6","3","4","6","5","1") = "5"
    & skf18("1","6","3","4","6","6","1") = "5"
    & skf18("1","6","3","4","6","7","1") = "6"
    & skf18("1","6","3","4","6","8","1") = "7"
    & skf18("1","6","3","4","6","9","1") = "8"
    & skf18("1","6","3","4","6","10","1") = "9"
    & skf18("1","6","3","4","7","1","1") = "6"
    & skf18("1","6","3","4","7","2","1") = "6"
    & skf18("1","6","3","4","7","3","1") = "6"
    & skf18("1","6","3","4","7","4","1") = "6"
    & skf18("1","6","3","4","7","5","1") = "6"
    & skf18("1","6","3","4","7","6","1") = "6"
    & skf18("1","6","3","4","7","7","1") = "6"
    & skf18("1","6","3","4","7","8","1") = "7"
    & skf18("1","6","3","4","7","9","1") = "8"
    & skf18("1","6","3","4","7","10","1") = "9"
    & skf18("1","6","3","4","8","1","1") = "7"
    & skf18("1","6","3","4","8","2","1") = "7"
    & skf18("1","6","3","4","8","3","1") = "7"
    & skf18("1","6","3","4","8","4","1") = "7"
    & skf18("1","6","3","4","8","5","1") = "7"
    & skf18("1","6","3","4","8","6","1") = "7"
    & skf18("1","6","3","4","8","7","1") = "7"
    & skf18("1","6","3","4","8","8","1") = "7"
    & skf18("1","6","3","4","8","9","1") = "8"
    & skf18("1","6","3","4","8","10","1") = "9"
    & skf18("1","6","3","4","9","1","1") = "8"
    & skf18("1","6","3","4","9","2","1") = "8"
    & skf18("1","6","3","4","9","3","1") = "8"
    & skf18("1","6","3","4","9","4","1") = "8"
    & skf18("1","6","3","4","9","5","1") = "8"
    & skf18("1","6","3","4","9","6","1") = "8"
    & skf18("1","6","3","4","9","7","1") = "8"
    & skf18("1","6","3","4","9","8","1") = "8"
    & skf18("1","6","3","4","9","9","1") = "8"
    & skf18("1","6","3","4","9","10","1") = "9"
    & skf18("1","6","3","4","10","1","1") = "9"
    & skf18("1","6","3","4","10","2","1") = "9"
    & skf18("1","6","3","4","10","3","1") = "9"
    & skf18("1","6","3","4","10","4","1") = "9"
    & skf18("1","6","3","4","10","5","1") = "9"
    & skf18("1","6","3","4","10","6","1") = "9"
    & skf18("1","6","3","4","10","7","1") = "9"
    & skf18("1","6","3","4","10","8","1") = "9"
    & skf18("1","6","3","4","10","9","1") = "9"
    & skf18("1","6","3","4","10","10","1") = "9"
    & skf18("1","6","3","5","1","1","1") = "5"
    & skf18("1","6","3","5","1","2","1") = "5"
    & skf18("1","6","3","5","1","3","1") = "5"
    & skf18("1","6","3","5","1","4","1") = "5"
    & skf18("1","6","3","5","1","5","1") = "5"
    & skf18("1","6","3","5","1","6","1") = "5"
    & skf18("1","6","3","5","1","7","1") = "6"
    & skf18("1","6","3","5","1","8","1") = "7"
    & skf18("1","6","3","5","1","9","1") = "8"
    & skf18("1","6","3","5","1","10","1") = "9"
    & skf18("1","6","3","5","2","1","1") = "5"
    & skf18("1","6","3","5","2","2","1") = "5"
    & skf18("1","6","3","5","2","3","1") = "5"
    & skf18("1","6","3","5","2","4","1") = "5"
    & skf18("1","6","3","5","2","5","1") = "5"
    & skf18("1","6","3","5","2","6","1") = "5"
    & skf18("1","6","3","5","2","7","1") = "6"
    & skf18("1","6","3","5","2","8","1") = "7"
    & skf18("1","6","3","5","2","9","1") = "8"
    & skf18("1","6","3","5","2","10","1") = "9"
    & skf18("1","6","3","5","3","1","1") = "5"
    & skf18("1","6","3","5","3","2","1") = "5"
    & skf18("1","6","3","5","3","3","1") = "5"
    & skf18("1","6","3","5","3","4","1") = "5"
    & skf18("1","6","3","5","3","5","1") = "5"
    & skf18("1","6","3","5","3","6","1") = "5"
    & skf18("1","6","3","5","3","7","1") = "6"
    & skf18("1","6","3","5","3","8","1") = "7"
    & skf18("1","6","3","5","3","9","1") = "8"
    & skf18("1","6","3","5","3","10","1") = "9"
    & skf18("1","6","3","5","4","1","1") = "5"
    & skf18("1","6","3","5","4","2","1") = "5"
    & skf18("1","6","3","5","4","3","1") = "5"
    & skf18("1","6","3","5","4","4","1") = "5"
    & skf18("1","6","3","5","4","5","1") = "5"
    & skf18("1","6","3","5","4","6","1") = "5"
    & skf18("1","6","3","5","4","7","1") = "6"
    & skf18("1","6","3","5","4","8","1") = "7"
    & skf18("1","6","3","5","4","9","1") = "8"
    & skf18("1","6","3","5","4","10","1") = "9"
    & skf18("1","6","3","5","5","1","1") = "5"
    & skf18("1","6","3","5","5","2","1") = "5"
    & skf18("1","6","3","5","5","3","1") = "5"
    & skf18("1","6","3","5","5","4","1") = "5"
    & skf18("1","6","3","5","5","5","1") = "5"
    & skf18("1","6","3","5","5","6","1") = "5"
    & skf18("1","6","3","5","5","7","1") = "6"
    & skf18("1","6","3","5","5","8","1") = "7"
    & skf18("1","6","3","5","5","9","1") = "8"
    & skf18("1","6","3","5","5","10","1") = "9"
    & skf18("1","6","3","5","6","1","1") = "5"
    & skf18("1","6","3","5","6","2","1") = "5"
    & skf18("1","6","3","5","6","3","1") = "5"
    & skf18("1","6","3","5","6","4","1") = "5"
    & skf18("1","6","3","5","6","5","1") = "5"
    & skf18("1","6","3","5","6","6","1") = "5"
    & skf18("1","6","3","5","6","7","1") = "6"
    & skf18("1","6","3","5","6","8","1") = "7"
    & skf18("1","6","3","5","6","9","1") = "8"
    & skf18("1","6","3","5","6","10","1") = "9"
    & skf18("1","6","3","5","7","1","1") = "6"
    & skf18("1","6","3","5","7","2","1") = "6"
    & skf18("1","6","3","5","7","3","1") = "6"
    & skf18("1","6","3","5","7","4","1") = "6"
    & skf18("1","6","3","5","7","5","1") = "6"
    & skf18("1","6","3","5","7","6","1") = "6"
    & skf18("1","6","3","5","7","7","1") = "6"
    & skf18("1","6","3","5","7","8","1") = "7"
    & skf18("1","6","3","5","7","9","1") = "8"
    & skf18("1","6","3","5","7","10","1") = "9"
    & skf18("1","6","3","5","8","1","1") = "7"
    & skf18("1","6","3","5","8","2","1") = "7"
    & skf18("1","6","3","5","8","3","1") = "7"
    & skf18("1","6","3","5","8","4","1") = "7"
    & skf18("1","6","3","5","8","5","1") = "7"
    & skf18("1","6","3","5","8","6","1") = "7"
    & skf18("1","6","3","5","8","7","1") = "7"
    & skf18("1","6","3","5","8","8","1") = "7"
    & skf18("1","6","3","5","8","9","1") = "8"
    & skf18("1","6","3","5","8","10","1") = "9"
    & skf18("1","6","3","5","9","1","1") = "8"
    & skf18("1","6","3","5","9","2","1") = "8"
    & skf18("1","6","3","5","9","3","1") = "8"
    & skf18("1","6","3","5","9","4","1") = "8"
    & skf18("1","6","3","5","9","5","1") = "8"
    & skf18("1","6","3","5","9","6","1") = "8"
    & skf18("1","6","3","5","9","7","1") = "8"
    & skf18("1","6","3","5","9","8","1") = "8"
    & skf18("1","6","3","5","9","9","1") = "8"
    & skf18("1","6","3","5","9","10","1") = "9"
    & skf18("1","6","3","5","10","1","1") = "9"
    & skf18("1","6","3","5","10","2","1") = "9"
    & skf18("1","6","3","5","10","3","1") = "9"
    & skf18("1","6","3","5","10","4","1") = "9"
    & skf18("1","6","3","5","10","5","1") = "9"
    & skf18("1","6","3","5","10","6","1") = "9"
    & skf18("1","6","3","5","10","7","1") = "9"
    & skf18("1","6","3","5","10","8","1") = "9"
    & skf18("1","6","3","5","10","9","1") = "9"
    & skf18("1","6","3","5","10","10","1") = "9"
    & skf18("1","6","3","6","1","1","1") = "5"
    & skf18("1","6","3","6","1","2","1") = "5"
    & skf18("1","6","3","6","1","3","1") = "5"
    & skf18("1","6","3","6","1","4","1") = "5"
    & skf18("1","6","3","6","1","5","1") = "5"
    & skf18("1","6","3","6","1","6","1") = "5"
    & skf18("1","6","3","6","1","7","1") = "6"
    & skf18("1","6","3","6","1","8","1") = "7"
    & skf18("1","6","3","6","1","9","1") = "8"
    & skf18("1","6","3","6","1","10","1") = "9"
    & skf18("1","6","3","6","2","1","1") = "5"
    & skf18("1","6","3","6","2","2","1") = "5"
    & skf18("1","6","3","6","2","3","1") = "5"
    & skf18("1","6","3","6","2","4","1") = "5"
    & skf18("1","6","3","6","2","5","1") = "5"
    & skf18("1","6","3","6","2","6","1") = "5"
    & skf18("1","6","3","6","2","7","1") = "6"
    & skf18("1","6","3","6","2","8","1") = "7"
    & skf18("1","6","3","6","2","9","1") = "8"
    & skf18("1","6","3","6","2","10","1") = "9"
    & skf18("1","6","3","6","3","1","1") = "5"
    & skf18("1","6","3","6","3","2","1") = "5"
    & skf18("1","6","3","6","3","3","1") = "5"
    & skf18("1","6","3","6","3","4","1") = "5"
    & skf18("1","6","3","6","3","5","1") = "5"
    & skf18("1","6","3","6","3","6","1") = "5"
    & skf18("1","6","3","6","3","7","1") = "6"
    & skf18("1","6","3","6","3","8","1") = "7"
    & skf18("1","6","3","6","3","9","1") = "8"
    & skf18("1","6","3","6","3","10","1") = "9"
    & skf18("1","6","3","6","4","1","1") = "5"
    & skf18("1","6","3","6","4","2","1") = "5"
    & skf18("1","6","3","6","4","3","1") = "5"
    & skf18("1","6","3","6","4","4","1") = "5"
    & skf18("1","6","3","6","4","5","1") = "5"
    & skf18("1","6","3","6","4","6","1") = "5"
    & skf18("1","6","3","6","4","7","1") = "6"
    & skf18("1","6","3","6","4","8","1") = "7"
    & skf18("1","6","3","6","4","9","1") = "8"
    & skf18("1","6","3","6","4","10","1") = "9"
    & skf18("1","6","3","6","5","1","1") = "5"
    & skf18("1","6","3","6","5","2","1") = "5"
    & skf18("1","6","3","6","5","3","1") = "5"
    & skf18("1","6","3","6","5","4","1") = "5"
    & skf18("1","6","3","6","5","5","1") = "5"
    & skf18("1","6","3","6","5","6","1") = "5"
    & skf18("1","6","3","6","5","7","1") = "6"
    & skf18("1","6","3","6","5","8","1") = "7"
    & skf18("1","6","3","6","5","9","1") = "8"
    & skf18("1","6","3","6","5","10","1") = "9"
    & skf18("1","6","3","6","6","1","1") = "5"
    & skf18("1","6","3","6","6","2","1") = "5"
    & skf18("1","6","3","6","6","3","1") = "5"
    & skf18("1","6","3","6","6","4","1") = "5"
    & skf18("1","6","3","6","6","5","1") = "5"
    & skf18("1","6","3","6","6","6","1") = "5"
    & skf18("1","6","3","6","6","7","1") = "6"
    & skf18("1","6","3","6","6","8","1") = "7"
    & skf18("1","6","3","6","6","9","1") = "8"
    & skf18("1","6","3","6","6","10","1") = "9"
    & skf18("1","6","3","6","7","1","1") = "6"
    & skf18("1","6","3","6","7","2","1") = "6"
    & skf18("1","6","3","6","7","3","1") = "6"
    & skf18("1","6","3","6","7","4","1") = "6"
    & skf18("1","6","3","6","7","5","1") = "6"
    & skf18("1","6","3","6","7","6","1") = "6"
    & skf18("1","6","3","6","7","7","1") = "6"
    & skf18("1","6","3","6","7","8","1") = "7"
    & skf18("1","6","3","6","7","9","1") = "8"
    & skf18("1","6","3","6","7","10","1") = "9"
    & skf18("1","6","3","6","8","1","1") = "7"
    & skf18("1","6","3","6","8","2","1") = "7"
    & skf18("1","6","3","6","8","3","1") = "7"
    & skf18("1","6","3","6","8","4","1") = "7"
    & skf18("1","6","3","6","8","5","1") = "7"
    & skf18("1","6","3","6","8","6","1") = "7"
    & skf18("1","6","3","6","8","7","1") = "7"
    & skf18("1","6","3","6","8","8","1") = "7"
    & skf18("1","6","3","6","8","9","1") = "8"
    & skf18("1","6","3","6","8","10","1") = "9"
    & skf18("1","6","3","6","9","1","1") = "8"
    & skf18("1","6","3","6","9","2","1") = "8"
    & skf18("1","6","3","6","9","3","1") = "8"
    & skf18("1","6","3","6","9","4","1") = "8"
    & skf18("1","6","3","6","9","5","1") = "8"
    & skf18("1","6","3","6","9","6","1") = "8"
    & skf18("1","6","3","6","9","7","1") = "8"
    & skf18("1","6","3","6","9","8","1") = "8"
    & skf18("1","6","3","6","9","9","1") = "8"
    & skf18("1","6","3","6","9","10","1") = "9"
    & skf18("1","6","3","6","10","1","1") = "9"
    & skf18("1","6","3","6","10","2","1") = "9"
    & skf18("1","6","3","6","10","3","1") = "9"
    & skf18("1","6","3","6","10","4","1") = "9"
    & skf18("1","6","3","6","10","5","1") = "9"
    & skf18("1","6","3","6","10","6","1") = "9"
    & skf18("1","6","3","6","10","7","1") = "9"
    & skf18("1","6","3","6","10","8","1") = "9"
    & skf18("1","6","3","6","10","9","1") = "9"
    & skf18("1","6","3","6","10","10","1") = "9"
    & skf18("1","6","3","7","1","1","1") = "6"
    & skf18("1","6","3","7","1","2","1") = "6"
    & skf18("1","6","3","7","1","3","1") = "6"
    & skf18("1","6","3","7","1","4","1") = "6"
    & skf18("1","6","3","7","1","5","1") = "6"
    & skf18("1","6","3","7","1","6","1") = "6"
    & skf18("1","6","3","7","1","7","1") = "6"
    & skf18("1","6","3","7","1","8","1") = "7"
    & skf18("1","6","3","7","1","9","1") = "8"
    & skf18("1","6","3","7","1","10","1") = "9"
    & skf18("1","6","3","7","2","1","1") = "6"
    & skf18("1","6","3","7","2","2","1") = "6"
    & skf18("1","6","3","7","2","3","1") = "6"
    & skf18("1","6","3","7","2","4","1") = "6"
    & skf18("1","6","3","7","2","5","1") = "6"
    & skf18("1","6","3","7","2","6","1") = "6"
    & skf18("1","6","3","7","2","7","1") = "6"
    & skf18("1","6","3","7","2","8","1") = "7"
    & skf18("1","6","3","7","2","9","1") = "8"
    & skf18("1","6","3","7","2","10","1") = "9"
    & skf18("1","6","3","7","3","1","1") = "6"
    & skf18("1","6","3","7","3","2","1") = "6"
    & skf18("1","6","3","7","3","3","1") = "6"
    & skf18("1","6","3","7","3","4","1") = "6"
    & skf18("1","6","3","7","3","5","1") = "6"
    & skf18("1","6","3","7","3","6","1") = "6"
    & skf18("1","6","3","7","3","7","1") = "6"
    & skf18("1","6","3","7","3","8","1") = "7"
    & skf18("1","6","3","7","3","9","1") = "8"
    & skf18("1","6","3","7","3","10","1") = "9"
    & skf18("1","6","3","7","4","1","1") = "6"
    & skf18("1","6","3","7","4","2","1") = "6"
    & skf18("1","6","3","7","4","3","1") = "6"
    & skf18("1","6","3","7","4","4","1") = "6"
    & skf18("1","6","3","7","4","5","1") = "6"
    & skf18("1","6","3","7","4","6","1") = "6"
    & skf18("1","6","3","7","4","7","1") = "6"
    & skf18("1","6","3","7","4","8","1") = "7"
    & skf18("1","6","3","7","4","9","1") = "8"
    & skf18("1","6","3","7","4","10","1") = "9"
    & skf18("1","6","3","7","5","1","1") = "6"
    & skf18("1","6","3","7","5","2","1") = "6"
    & skf18("1","6","3","7","5","3","1") = "6"
    & skf18("1","6","3","7","5","4","1") = "6"
    & skf18("1","6","3","7","5","5","1") = "6"
    & skf18("1","6","3","7","5","6","1") = "6"
    & skf18("1","6","3","7","5","7","1") = "6"
    & skf18("1","6","3","7","5","8","1") = "7"
    & skf18("1","6","3","7","5","9","1") = "8"
    & skf18("1","6","3","7","5","10","1") = "9"
    & skf18("1","6","3","7","6","1","1") = "6"
    & skf18("1","6","3","7","6","2","1") = "6"
    & skf18("1","6","3","7","6","3","1") = "6"
    & skf18("1","6","3","7","6","4","1") = "6"
    & skf18("1","6","3","7","6","5","1") = "6"
    & skf18("1","6","3","7","6","6","1") = "6"
    & skf18("1","6","3","7","6","7","1") = "6"
    & skf18("1","6","3","7","6","8","1") = "7"
    & skf18("1","6","3","7","6","9","1") = "8"
    & skf18("1","6","3","7","6","10","1") = "9"
    & skf18("1","6","3","7","7","1","1") = "6"
    & skf18("1","6","3","7","7","2","1") = "6"
    & skf18("1","6","3","7","7","3","1") = "6"
    & skf18("1","6","3","7","7","4","1") = "6"
    & skf18("1","6","3","7","7","5","1") = "6"
    & skf18("1","6","3","7","7","6","1") = "6"
    & skf18("1","6","3","7","7","7","1") = "6"
    & skf18("1","6","3","7","7","8","1") = "7"
    & skf18("1","6","3","7","7","9","1") = "8"
    & skf18("1","6","3","7","7","10","1") = "9"
    & skf18("1","6","3","7","8","1","1") = "7"
    & skf18("1","6","3","7","8","2","1") = "7"
    & skf18("1","6","3","7","8","3","1") = "7"
    & skf18("1","6","3","7","8","4","1") = "7"
    & skf18("1","6","3","7","8","5","1") = "7"
    & skf18("1","6","3","7","8","6","1") = "7"
    & skf18("1","6","3","7","8","7","1") = "7"
    & skf18("1","6","3","7","8","8","1") = "7"
    & skf18("1","6","3","7","8","9","1") = "8"
    & skf18("1","6","3","7","8","10","1") = "9"
    & skf18("1","6","3","7","9","1","1") = "8"
    & skf18("1","6","3","7","9","2","1") = "8"
    & skf18("1","6","3","7","9","3","1") = "8"
    & skf18("1","6","3","7","9","4","1") = "8"
    & skf18("1","6","3","7","9","5","1") = "8"
    & skf18("1","6","3","7","9","6","1") = "8"
    & skf18("1","6","3","7","9","7","1") = "8"
    & skf18("1","6","3","7","9","8","1") = "8"
    & skf18("1","6","3","7","9","9","1") = "8"
    & skf18("1","6","3","7","9","10","1") = "9"
    & skf18("1","6","3","7","10","1","1") = "9"
    & skf18("1","6","3","7","10","2","1") = "9"
    & skf18("1","6","3","7","10","3","1") = "9"
    & skf18("1","6","3","7","10","4","1") = "9"
    & skf18("1","6","3","7","10","5","1") = "9"
    & skf18("1","6","3","7","10","6","1") = "9"
    & skf18("1","6","3","7","10","7","1") = "9"
    & skf18("1","6","3","7","10","8","1") = "9"
    & skf18("1","6","3","7","10","9","1") = "9"
    & skf18("1","6","3","7","10","10","1") = "9"
    & skf18("1","6","3","8","1","1","1") = "7"
    & skf18("1","6","3","8","1","2","1") = "7"
    & skf18("1","6","3","8","1","3","1") = "7"
    & skf18("1","6","3","8","1","4","1") = "7"
    & skf18("1","6","3","8","1","5","1") = "7"
    & skf18("1","6","3","8","1","6","1") = "7"
    & skf18("1","6","3","8","1","7","1") = "7"
    & skf18("1","6","3","8","1","8","1") = "7"
    & skf18("1","6","3","8","1","9","1") = "8"
    & skf18("1","6","3","8","1","10","1") = "9"
    & skf18("1","6","3","8","2","1","1") = "7"
    & skf18("1","6","3","8","2","2","1") = "7"
    & skf18("1","6","3","8","2","3","1") = "7"
    & skf18("1","6","3","8","2","4","1") = "7"
    & skf18("1","6","3","8","2","5","1") = "7"
    & skf18("1","6","3","8","2","6","1") = "7"
    & skf18("1","6","3","8","2","7","1") = "7"
    & skf18("1","6","3","8","2","8","1") = "7"
    & skf18("1","6","3","8","2","9","1") = "8"
    & skf18("1","6","3","8","2","10","1") = "9"
    & skf18("1","6","3","8","3","1","1") = "7"
    & skf18("1","6","3","8","3","2","1") = "7"
    & skf18("1","6","3","8","3","3","1") = "7"
    & skf18("1","6","3","8","3","4","1") = "7"
    & skf18("1","6","3","8","3","5","1") = "7"
    & skf18("1","6","3","8","3","6","1") = "7"
    & skf18("1","6","3","8","3","7","1") = "7"
    & skf18("1","6","3","8","3","8","1") = "7"
    & skf18("1","6","3","8","3","9","1") = "8"
    & skf18("1","6","3","8","3","10","1") = "9"
    & skf18("1","6","3","8","4","1","1") = "7"
    & skf18("1","6","3","8","4","2","1") = "7"
    & skf18("1","6","3","8","4","3","1") = "7"
    & skf18("1","6","3","8","4","4","1") = "7"
    & skf18("1","6","3","8","4","5","1") = "7"
    & skf18("1","6","3","8","4","6","1") = "7"
    & skf18("1","6","3","8","4","7","1") = "7"
    & skf18("1","6","3","8","4","8","1") = "7"
    & skf18("1","6","3","8","4","9","1") = "8"
    & skf18("1","6","3","8","4","10","1") = "9"
    & skf18("1","6","3","8","5","1","1") = "7"
    & skf18("1","6","3","8","5","2","1") = "7"
    & skf18("1","6","3","8","5","3","1") = "7"
    & skf18("1","6","3","8","5","4","1") = "7"
    & skf18("1","6","3","8","5","5","1") = "7"
    & skf18("1","6","3","8","5","6","1") = "7"
    & skf18("1","6","3","8","5","7","1") = "7"
    & skf18("1","6","3","8","5","8","1") = "7"
    & skf18("1","6","3","8","5","9","1") = "8"
    & skf18("1","6","3","8","5","10","1") = "9"
    & skf18("1","6","3","8","6","1","1") = "7"
    & skf18("1","6","3","8","6","2","1") = "7"
    & skf18("1","6","3","8","6","3","1") = "7"
    & skf18("1","6","3","8","6","4","1") = "7"
    & skf18("1","6","3","8","6","5","1") = "7"
    & skf18("1","6","3","8","6","6","1") = "7"
    & skf18("1","6","3","8","6","7","1") = "7"
    & skf18("1","6","3","8","6","8","1") = "7"
    & skf18("1","6","3","8","6","9","1") = "8"
    & skf18("1","6","3","8","6","10","1") = "9"
    & skf18("1","6","3","8","7","1","1") = "7"
    & skf18("1","6","3","8","7","2","1") = "7"
    & skf18("1","6","3","8","7","3","1") = "7"
    & skf18("1","6","3","8","7","4","1") = "7"
    & skf18("1","6","3","8","7","5","1") = "7"
    & skf18("1","6","3","8","7","6","1") = "7"
    & skf18("1","6","3","8","7","7","1") = "7"
    & skf18("1","6","3","8","7","8","1") = "7"
    & skf18("1","6","3","8","7","9","1") = "8"
    & skf18("1","6","3","8","7","10","1") = "9"
    & skf18("1","6","3","8","8","1","1") = "7"
    & skf18("1","6","3","8","8","2","1") = "7"
    & skf18("1","6","3","8","8","3","1") = "7"
    & skf18("1","6","3","8","8","4","1") = "7"
    & skf18("1","6","3","8","8","5","1") = "7"
    & skf18("1","6","3","8","8","6","1") = "7"
    & skf18("1","6","3","8","8","7","1") = "7"
    & skf18("1","6","3","8","8","8","1") = "7"
    & skf18("1","6","3","8","8","9","1") = "8"
    & skf18("1","6","3","8","8","10","1") = "9"
    & skf18("1","6","3","8","9","1","1") = "8"
    & skf18("1","6","3","8","9","2","1") = "8"
    & skf18("1","6","3","8","9","3","1") = "8"
    & skf18("1","6","3","8","9","4","1") = "8"
    & skf18("1","6","3","8","9","5","1") = "8"
    & skf18("1","6","3","8","9","6","1") = "8"
    & skf18("1","6","3","8","9","7","1") = "8"
    & skf18("1","6","3","8","9","8","1") = "8"
    & skf18("1","6","3","8","9","9","1") = "8"
    & skf18("1","6","3","8","9","10","1") = "9"
    & skf18("1","6","3","8","10","1","1") = "9"
    & skf18("1","6","3","8","10","2","1") = "9"
    & skf18("1","6","3","8","10","3","1") = "9"
    & skf18("1","6","3","8","10","4","1") = "9"
    & skf18("1","6","3","8","10","5","1") = "9"
    & skf18("1","6","3","8","10","6","1") = "9"
    & skf18("1","6","3","8","10","7","1") = "9"
    & skf18("1","6","3","8","10","8","1") = "9"
    & skf18("1","6","3","8","10","9","1") = "9"
    & skf18("1","6","3","8","10","10","1") = "9"
    & skf18("1","6","3","9","1","1","1") = "8"
    & skf18("1","6","3","9","1","2","1") = "8"
    & skf18("1","6","3","9","1","3","1") = "8"
    & skf18("1","6","3","9","1","4","1") = "8"
    & skf18("1","6","3","9","1","5","1") = "8"
    & skf18("1","6","3","9","1","6","1") = "8"
    & skf18("1","6","3","9","1","7","1") = "8"
    & skf18("1","6","3","9","1","8","1") = "8"
    & skf18("1","6","3","9","1","9","1") = "8"
    & skf18("1","6","3","9","1","10","1") = "9"
    & skf18("1","6","3","9","2","1","1") = "8"
    & skf18("1","6","3","9","2","2","1") = "8"
    & skf18("1","6","3","9","2","3","1") = "8"
    & skf18("1","6","3","9","2","4","1") = "8"
    & skf18("1","6","3","9","2","5","1") = "8"
    & skf18("1","6","3","9","2","6","1") = "8"
    & skf18("1","6","3","9","2","7","1") = "8"
    & skf18("1","6","3","9","2","8","1") = "8"
    & skf18("1","6","3","9","2","9","1") = "8"
    & skf18("1","6","3","9","2","10","1") = "9"
    & skf18("1","6","3","9","3","1","1") = "8"
    & skf18("1","6","3","9","3","2","1") = "8"
    & skf18("1","6","3","9","3","3","1") = "8"
    & skf18("1","6","3","9","3","4","1") = "8"
    & skf18("1","6","3","9","3","5","1") = "8"
    & skf18("1","6","3","9","3","6","1") = "8"
    & skf18("1","6","3","9","3","7","1") = "8"
    & skf18("1","6","3","9","3","8","1") = "8"
    & skf18("1","6","3","9","3","9","1") = "8"
    & skf18("1","6","3","9","3","10","1") = "9"
    & skf18("1","6","3","9","4","1","1") = "8"
    & skf18("1","6","3","9","4","2","1") = "8"
    & skf18("1","6","3","9","4","3","1") = "8"
    & skf18("1","6","3","9","4","4","1") = "8"
    & skf18("1","6","3","9","4","5","1") = "8"
    & skf18("1","6","3","9","4","6","1") = "8"
    & skf18("1","6","3","9","4","7","1") = "8"
    & skf18("1","6","3","9","4","8","1") = "8"
    & skf18("1","6","3","9","4","9","1") = "8"
    & skf18("1","6","3","9","4","10","1") = "9"
    & skf18("1","6","3","9","5","1","1") = "8"
    & skf18("1","6","3","9","5","2","1") = "8"
    & skf18("1","6","3","9","5","3","1") = "8"
    & skf18("1","6","3","9","5","4","1") = "8"
    & skf18("1","6","3","9","5","5","1") = "8"
    & skf18("1","6","3","9","5","6","1") = "8"
    & skf18("1","6","3","9","5","7","1") = "8"
    & skf18("1","6","3","9","5","8","1") = "8"
    & skf18("1","6","3","9","5","9","1") = "8"
    & skf18("1","6","3","9","5","10","1") = "9"
    & skf18("1","6","3","9","6","1","1") = "8"
    & skf18("1","6","3","9","6","2","1") = "8"
    & skf18("1","6","3","9","6","3","1") = "8"
    & skf18("1","6","3","9","6","4","1") = "8"
    & skf18("1","6","3","9","6","5","1") = "8"
    & skf18("1","6","3","9","6","6","1") = "8"
    & skf18("1","6","3","9","6","7","1") = "8"
    & skf18("1","6","3","9","6","8","1") = "8"
    & skf18("1","6","3","9","6","9","1") = "8"
    & skf18("1","6","3","9","6","10","1") = "9"
    & skf18("1","6","3","9","7","1","1") = "8"
    & skf18("1","6","3","9","7","2","1") = "8"
    & skf18("1","6","3","9","7","3","1") = "8"
    & skf18("1","6","3","9","7","4","1") = "8"
    & skf18("1","6","3","9","7","5","1") = "8"
    & skf18("1","6","3","9","7","6","1") = "8"
    & skf18("1","6","3","9","7","7","1") = "8"
    & skf18("1","6","3","9","7","8","1") = "8"
    & skf18("1","6","3","9","7","9","1") = "8"
    & skf18("1","6","3","9","7","10","1") = "9"
    & skf18("1","6","3","9","8","1","1") = "8"
    & skf18("1","6","3","9","8","2","1") = "8"
    & skf18("1","6","3","9","8","3","1") = "8"
    & skf18("1","6","3","9","8","4","1") = "8"
    & skf18("1","6","3","9","8","5","1") = "8"
    & skf18("1","6","3","9","8","6","1") = "8"
    & skf18("1","6","3","9","8","7","1") = "8"
    & skf18("1","6","3","9","8","8","1") = "8"
    & skf18("1","6","3","9","8","9","1") = "8"
    & skf18("1","6","3","9","8","10","1") = "9"
    & skf18("1","6","3","9","9","1","1") = "8"
    & skf18("1","6","3","9","9","2","1") = "8"
    & skf18("1","6","3","9","9","3","1") = "8"
    & skf18("1","6","3","9","9","4","1") = "8"
    & skf18("1","6","3","9","9","5","1") = "8"
    & skf18("1","6","3","9","9","6","1") = "8"
    & skf18("1","6","3","9","9","7","1") = "8"
    & skf18("1","6","3","9","9","8","1") = "8"
    & skf18("1","6","3","9","9","9","1") = "8"
    & skf18("1","6","3","9","9","10","1") = "9"
    & skf18("1","6","3","9","10","1","1") = "9"
    & skf18("1","6","3","9","10","2","1") = "9"
    & skf18("1","6","3","9","10","3","1") = "9"
    & skf18("1","6","3","9","10","4","1") = "9"
    & skf18("1","6","3","9","10","5","1") = "9"
    & skf18("1","6","3","9","10","6","1") = "9"
    & skf18("1","6","3","9","10","7","1") = "9"
    & skf18("1","6","3","9","10","8","1") = "9"
    & skf18("1","6","3","9","10","9","1") = "9"
    & skf18("1","6","3","9","10","10","1") = "9"
    & skf18("1","6","3","10","1","1","1") = "9"
    & skf18("1","6","3","10","1","2","1") = "9"
    & skf18("1","6","3","10","1","3","1") = "9"
    & skf18("1","6","3","10","1","4","1") = "9"
    & skf18("1","6","3","10","1","5","1") = "9"
    & skf18("1","6","3","10","1","6","1") = "9"
    & skf18("1","6","3","10","1","7","1") = "9"
    & skf18("1","6","3","10","1","8","1") = "9"
    & skf18("1","6","3","10","1","9","1") = "9"
    & skf18("1","6","3","10","1","10","1") = "9"
    & skf18("1","6","3","10","2","1","1") = "9"
    & skf18("1","6","3","10","2","2","1") = "9"
    & skf18("1","6","3","10","2","3","1") = "9"
    & skf18("1","6","3","10","2","4","1") = "9"
    & skf18("1","6","3","10","2","5","1") = "9"
    & skf18("1","6","3","10","2","6","1") = "9"
    & skf18("1","6","3","10","2","7","1") = "9"
    & skf18("1","6","3","10","2","8","1") = "9"
    & skf18("1","6","3","10","2","9","1") = "9"
    & skf18("1","6","3","10","2","10","1") = "9"
    & skf18("1","6","3","10","3","1","1") = "9"
    & skf18("1","6","3","10","3","2","1") = "9"
    & skf18("1","6","3","10","3","3","1") = "9"
    & skf18("1","6","3","10","3","4","1") = "9"
    & skf18("1","6","3","10","3","5","1") = "9"
    & skf18("1","6","3","10","3","6","1") = "9"
    & skf18("1","6","3","10","3","7","1") = "9"
    & skf18("1","6","3","10","3","8","1") = "9"
    & skf18("1","6","3","10","3","9","1") = "9"
    & skf18("1","6","3","10","3","10","1") = "9"
    & skf18("1","6","3","10","4","1","1") = "9"
    & skf18("1","6","3","10","4","2","1") = "9"
    & skf18("1","6","3","10","4","3","1") = "9"
    & skf18("1","6","3","10","4","4","1") = "9"
    & skf18("1","6","3","10","4","5","1") = "9"
    & skf18("1","6","3","10","4","6","1") = "9"
    & skf18("1","6","3","10","4","7","1") = "9"
    & skf18("1","6","3","10","4","8","1") = "9"
    & skf18("1","6","3","10","4","9","1") = "9"
    & skf18("1","6","3","10","4","10","1") = "9"
    & skf18("1","6","3","10","5","1","1") = "9"
    & skf18("1","6","3","10","5","2","1") = "9"
    & skf18("1","6","3","10","5","3","1") = "9"
    & skf18("1","6","3","10","5","4","1") = "9"
    & skf18("1","6","3","10","5","5","1") = "9"
    & skf18("1","6","3","10","5","6","1") = "9"
    & skf18("1","6","3","10","5","7","1") = "9"
    & skf18("1","6","3","10","5","8","1") = "9"
    & skf18("1","6","3","10","5","9","1") = "9"
    & skf18("1","6","3","10","5","10","1") = "9"
    & skf18("1","6","3","10","6","1","1") = "9"
    & skf18("1","6","3","10","6","2","1") = "9"
    & skf18("1","6","3","10","6","3","1") = "9"
    & skf18("1","6","3","10","6","4","1") = "9"
    & skf18("1","6","3","10","6","5","1") = "9"
    & skf18("1","6","3","10","6","6","1") = "9"
    & skf18("1","6","3","10","6","7","1") = "9"
    & skf18("1","6","3","10","6","8","1") = "9"
    & skf18("1","6","3","10","6","9","1") = "9"
    & skf18("1","6","3","10","6","10","1") = "9"
    & skf18("1","6","3","10","7","1","1") = "9"
    & skf18("1","6","3","10","7","2","1") = "9"
    & skf18("1","6","3","10","7","3","1") = "9"
    & skf18("1","6","3","10","7","4","1") = "9"
    & skf18("1","6","3","10","7","5","1") = "9"
    & skf18("1","6","3","10","7","6","1") = "9"
    & skf18("1","6","3","10","7","7","1") = "9"
    & skf18("1","6","3","10","7","8","1") = "9"
    & skf18("1","6","3","10","7","9","1") = "9"
    & skf18("1","6","3","10","7","10","1") = "9"
    & skf18("1","6","3","10","8","1","1") = "9"
    & skf18("1","6","3","10","8","2","1") = "9"
    & skf18("1","6","3","10","8","3","1") = "9"
    & skf18("1","6","3","10","8","4","1") = "9"
    & skf18("1","6","3","10","8","5","1") = "9"
    & skf18("1","6","3","10","8","6","1") = "9"
    & skf18("1","6","3","10","8","7","1") = "9"
    & skf18("1","6","3","10","8","8","1") = "9"
    & skf18("1","6","3","10","8","9","1") = "9"
    & skf18("1","6","3","10","8","10","1") = "9"
    & skf18("1","6","3","10","9","1","1") = "9"
    & skf18("1","6","3","10","9","2","1") = "9"
    & skf18("1","6","3","10","9","3","1") = "9"
    & skf18("1","6","3","10","9","4","1") = "9"
    & skf18("1","6","3","10","9","5","1") = "9"
    & skf18("1","6","3","10","9","6","1") = "9"
    & skf18("1","6","3","10","9","7","1") = "9"
    & skf18("1","6","3","10","9","8","1") = "9"
    & skf18("1","6","3","10","9","9","1") = "9"
    & skf18("1","6","3","10","9","10","1") = "9"
    & skf18("1","6","3","10","10","1","1") = "9"
    & skf18("1","6","3","10","10","2","1") = "9"
    & skf18("1","6","3","10","10","3","1") = "9"
    & skf18("1","6","3","10","10","4","1") = "9"
    & skf18("1","6","3","10","10","5","1") = "9"
    & skf18("1","6","3","10","10","6","1") = "9"
    & skf18("1","6","3","10","10","7","1") = "9"
    & skf18("1","6","3","10","10","8","1") = "9"
    & skf18("1","6","3","10","10","9","1") = "9"
    & skf18("1","6","3","10","10","10","1") = "9"
    & skf18("1","6","4","1","1","1","1") = "5"
    & skf18("1","6","4","1","1","2","1") = "5"
    & skf18("1","6","4","1","1","3","1") = "5"
    & skf18("1","6","4","1","1","4","1") = "5"
    & skf18("1","6","4","1","1","5","1") = "5"
    & skf18("1","6","4","1","1","6","1") = "5"
    & skf18("1","6","4","1","1","7","1") = "6"
    & skf18("1","6","4","1","1","8","1") = "7"
    & skf18("1","6","4","1","1","9","1") = "8"
    & skf18("1","6","4","1","1","10","1") = "9"
    & skf18("1","6","4","1","2","1","1") = "5"
    & skf18("1","6","4","1","2","2","1") = "5"
    & skf18("1","6","4","1","2","3","1") = "5"
    & skf18("1","6","4","1","2","4","1") = "5"
    & skf18("1","6","4","1","2","5","1") = "5"
    & skf18("1","6","4","1","2","6","1") = "5"
    & skf18("1","6","4","1","2","7","1") = "6"
    & skf18("1","6","4","1","2","8","1") = "7"
    & skf18("1","6","4","1","2","9","1") = "8"
    & skf18("1","6","4","1","2","10","1") = "9"
    & skf18("1","6","4","1","3","1","1") = "5"
    & skf18("1","6","4","1","3","2","1") = "5"
    & skf18("1","6","4","1","3","3","1") = "5"
    & skf18("1","6","4","1","3","4","1") = "5"
    & skf18("1","6","4","1","3","5","1") = "5"
    & skf18("1","6","4","1","3","6","1") = "5"
    & skf18("1","6","4","1","3","7","1") = "6"
    & skf18("1","6","4","1","3","8","1") = "7"
    & skf18("1","6","4","1","3","9","1") = "8"
    & skf18("1","6","4","1","3","10","1") = "9"
    & skf18("1","6","4","1","4","1","1") = "5"
    & skf18("1","6","4","1","4","2","1") = "5"
    & skf18("1","6","4","1","4","3","1") = "5"
    & skf18("1","6","4","1","4","4","1") = "5"
    & skf18("1","6","4","1","4","5","1") = "5"
    & skf18("1","6","4","1","4","6","1") = "5"
    & skf18("1","6","4","1","4","7","1") = "6"
    & skf18("1","6","4","1","4","8","1") = "7"
    & skf18("1","6","4","1","4","9","1") = "8"
    & skf18("1","6","4","1","4","10","1") = "9"
    & skf18("1","6","4","1","5","1","1") = "5"
    & skf18("1","6","4","1","5","2","1") = "5"
    & skf18("1","6","4","1","5","3","1") = "5"
    & skf18("1","6","4","1","5","4","1") = "5"
    & skf18("1","6","4","1","5","5","1") = "5"
    & skf18("1","6","4","1","5","6","1") = "5"
    & skf18("1","6","4","1","5","7","1") = "6"
    & skf18("1","6","4","1","5","8","1") = "7"
    & skf18("1","6","4","1","5","9","1") = "8"
    & skf18("1","6","4","1","5","10","1") = "9"
    & skf18("1","6","4","1","6","1","1") = "5"
    & skf18("1","6","4","1","6","2","1") = "5"
    & skf18("1","6","4","1","6","3","1") = "5"
    & skf18("1","6","4","1","6","4","1") = "5"
    & skf18("1","6","4","1","6","5","1") = "5"
    & skf18("1","6","4","1","6","6","1") = "5"
    & skf18("1","6","4","1","6","7","1") = "6"
    & skf18("1","6","4","1","6","8","1") = "7"
    & skf18("1","6","4","1","6","9","1") = "8"
    & skf18("1","6","4","1","6","10","1") = "9"
    & skf18("1","6","4","1","7","1","1") = "6"
    & skf18("1","6","4","1","7","2","1") = "6"
    & skf18("1","6","4","1","7","3","1") = "6"
    & skf18("1","6","4","1","7","4","1") = "6"
    & skf18("1","6","4","1","7","5","1") = "6"
    & skf18("1","6","4","1","7","6","1") = "6"
    & skf18("1","6","4","1","7","7","1") = "6"
    & skf18("1","6","4","1","7","8","1") = "7"
    & skf18("1","6","4","1","7","9","1") = "8"
    & skf18("1","6","4","1","7","10","1") = "9"
    & skf18("1","6","4","1","8","1","1") = "7"
    & skf18("1","6","4","1","8","2","1") = "7"
    & skf18("1","6","4","1","8","3","1") = "7"
    & skf18("1","6","4","1","8","4","1") = "7"
    & skf18("1","6","4","1","8","5","1") = "7"
    & skf18("1","6","4","1","8","6","1") = "7"
    & skf18("1","6","4","1","8","7","1") = "7"
    & skf18("1","6","4","1","8","8","1") = "7"
    & skf18("1","6","4","1","8","9","1") = "8"
    & skf18("1","6","4","1","8","10","1") = "9"
    & skf18("1","6","4","1","9","1","1") = "8"
    & skf18("1","6","4","1","9","2","1") = "8"
    & skf18("1","6","4","1","9","3","1") = "8"
    & skf18("1","6","4","1","9","4","1") = "8"
    & skf18("1","6","4","1","9","5","1") = "8"
    & skf18("1","6","4","1","9","6","1") = "8"
    & skf18("1","6","4","1","9","7","1") = "8"
    & skf18("1","6","4","1","9","8","1") = "8"
    & skf18("1","6","4","1","9","9","1") = "8"
    & skf18("1","6","4","1","9","10","1") = "9"
    & skf18("1","6","4","1","10","1","1") = "9"
    & skf18("1","6","4","1","10","2","1") = "9"
    & skf18("1","6","4","1","10","3","1") = "9"
    & skf18("1","6","4","1","10","4","1") = "9"
    & skf18("1","6","4","1","10","5","1") = "9"
    & skf18("1","6","4","1","10","6","1") = "9"
    & skf18("1","6","4","1","10","7","1") = "9"
    & skf18("1","6","4","1","10","8","1") = "9"
    & skf18("1","6","4","1","10","9","1") = "9"
    & skf18("1","6","4","1","10","10","1") = "9"
    & skf18("1","6","4","2","1","1","1") = "5"
    & skf18("1","6","4","2","1","2","1") = "5"
    & skf18("1","6","4","2","1","3","1") = "5"
    & skf18("1","6","4","2","1","4","1") = "5"
    & skf18("1","6","4","2","1","5","1") = "5"
    & skf18("1","6","4","2","1","6","1") = "5"
    & skf18("1","6","4","2","1","7","1") = "6"
    & skf18("1","6","4","2","1","8","1") = "7"
    & skf18("1","6","4","2","1","9","1") = "8"
    & skf18("1","6","4","2","1","10","1") = "9"
    & skf18("1","6","4","2","2","1","1") = "5"
    & skf18("1","6","4","2","2","2","1") = "5"
    & skf18("1","6","4","2","2","3","1") = "5"
    & skf18("1","6","4","2","2","4","1") = "5"
    & skf18("1","6","4","2","2","5","1") = "5"
    & skf18("1","6","4","2","2","6","1") = "5"
    & skf18("1","6","4","2","2","7","1") = "6"
    & skf18("1","6","4","2","2","8","1") = "7"
    & skf18("1","6","4","2","2","9","1") = "8"
    & skf18("1","6","4","2","2","10","1") = "9"
    & skf18("1","6","4","2","3","1","1") = "5"
    & skf18("1","6","4","2","3","2","1") = "5"
    & skf18("1","6","4","2","3","3","1") = "5"
    & skf18("1","6","4","2","3","4","1") = "5"
    & skf18("1","6","4","2","3","5","1") = "5"
    & skf18("1","6","4","2","3","6","1") = "5"
    & skf18("1","6","4","2","3","7","1") = "6"
    & skf18("1","6","4","2","3","8","1") = "7"
    & skf18("1","6","4","2","3","9","1") = "8"
    & skf18("1","6","4","2","3","10","1") = "9"
    & skf18("1","6","4","2","4","1","1") = "5"
    & skf18("1","6","4","2","4","2","1") = "5"
    & skf18("1","6","4","2","4","3","1") = "5"
    & skf18("1","6","4","2","4","4","1") = "5"
    & skf18("1","6","4","2","4","5","1") = "5"
    & skf18("1","6","4","2","4","6","1") = "5"
    & skf18("1","6","4","2","4","7","1") = "6"
    & skf18("1","6","4","2","4","8","1") = "7"
    & skf18("1","6","4","2","4","9","1") = "8"
    & skf18("1","6","4","2","4","10","1") = "9"
    & skf18("1","6","4","2","5","1","1") = "5"
    & skf18("1","6","4","2","5","2","1") = "5"
    & skf18("1","6","4","2","5","3","1") = "5"
    & skf18("1","6","4","2","5","4","1") = "5"
    & skf18("1","6","4","2","5","5","1") = "5"
    & skf18("1","6","4","2","5","6","1") = "5"
    & skf18("1","6","4","2","5","7","1") = "6"
    & skf18("1","6","4","2","5","8","1") = "7"
    & skf18("1","6","4","2","5","9","1") = "8"
    & skf18("1","6","4","2","5","10","1") = "9"
    & skf18("1","6","4","2","6","1","1") = "5"
    & skf18("1","6","4","2","6","2","1") = "5"
    & skf18("1","6","4","2","6","3","1") = "5"
    & skf18("1","6","4","2","6","4","1") = "5"
    & skf18("1","6","4","2","6","5","1") = "5"
    & skf18("1","6","4","2","6","6","1") = "5"
    & skf18("1","6","4","2","6","7","1") = "6"
    & skf18("1","6","4","2","6","8","1") = "7"
    & skf18("1","6","4","2","6","9","1") = "8"
    & skf18("1","6","4","2","6","10","1") = "9"
    & skf18("1","6","4","2","7","1","1") = "6"
    & skf18("1","6","4","2","7","2","1") = "6"
    & skf18("1","6","4","2","7","3","1") = "6"
    & skf18("1","6","4","2","7","4","1") = "6"
    & skf18("1","6","4","2","7","5","1") = "6"
    & skf18("1","6","4","2","7","6","1") = "6"
    & skf18("1","6","4","2","7","7","1") = "6"
    & skf18("1","6","4","2","7","8","1") = "7"
    & skf18("1","6","4","2","7","9","1") = "8"
    & skf18("1","6","4","2","7","10","1") = "9"
    & skf18("1","6","4","2","8","1","1") = "7"
    & skf18("1","6","4","2","8","2","1") = "7"
    & skf18("1","6","4","2","8","3","1") = "7"
    & skf18("1","6","4","2","8","4","1") = "7"
    & skf18("1","6","4","2","8","5","1") = "7"
    & skf18("1","6","4","2","8","6","1") = "7"
    & skf18("1","6","4","2","8","7","1") = "7"
    & skf18("1","6","4","2","8","8","1") = "7"
    & skf18("1","6","4","2","8","9","1") = "8"
    & skf18("1","6","4","2","8","10","1") = "9"
    & skf18("1","6","4","2","9","1","1") = "8"
    & skf18("1","6","4","2","9","2","1") = "8"
    & skf18("1","6","4","2","9","3","1") = "8"
    & skf18("1","6","4","2","9","4","1") = "8"
    & skf18("1","6","4","2","9","5","1") = "8"
    & skf18("1","6","4","2","9","6","1") = "8"
    & skf18("1","6","4","2","9","7","1") = "8"
    & skf18("1","6","4","2","9","8","1") = "8"
    & skf18("1","6","4","2","9","9","1") = "8"
    & skf18("1","6","4","2","9","10","1") = "9"
    & skf18("1","6","4","2","10","1","1") = "9"
    & skf18("1","6","4","2","10","2","1") = "9"
    & skf18("1","6","4","2","10","3","1") = "9"
    & skf18("1","6","4","2","10","4","1") = "9"
    & skf18("1","6","4","2","10","5","1") = "9"
    & skf18("1","6","4","2","10","6","1") = "9"
    & skf18("1","6","4","2","10","7","1") = "9"
    & skf18("1","6","4","2","10","8","1") = "9"
    & skf18("1","6","4","2","10","9","1") = "9"
    & skf18("1","6","4","2","10","10","1") = "9"
    & skf18("1","6","4","3","1","1","1") = "5"
    & skf18("1","6","4","3","1","2","1") = "5"
    & skf18("1","6","4","3","1","3","1") = "5"
    & skf18("1","6","4","3","1","4","1") = "5"
    & skf18("1","6","4","3","1","5","1") = "5"
    & skf18("1","6","4","3","1","6","1") = "5"
    & skf18("1","6","4","3","1","7","1") = "6"
    & skf18("1","6","4","3","1","8","1") = "7"
    & skf18("1","6","4","3","1","9","1") = "8"
    & skf18("1","6","4","3","1","10","1") = "9"
    & skf18("1","6","4","3","2","1","1") = "5"
    & skf18("1","6","4","3","2","2","1") = "5"
    & skf18("1","6","4","3","2","3","1") = "5"
    & skf18("1","6","4","3","2","4","1") = "5"
    & skf18("1","6","4","3","2","5","1") = "5"
    & skf18("1","6","4","3","2","6","1") = "5"
    & skf18("1","6","4","3","2","7","1") = "6"
    & skf18("1","6","4","3","2","8","1") = "7"
    & skf18("1","6","4","3","2","9","1") = "8"
    & skf18("1","6","4","3","2","10","1") = "9"
    & skf18("1","6","4","3","3","1","1") = "5"
    & skf18("1","6","4","3","3","2","1") = "5"
    & skf18("1","6","4","3","3","3","1") = "5"
    & skf18("1","6","4","3","3","4","1") = "5"
    & skf18("1","6","4","3","3","5","1") = "5"
    & skf18("1","6","4","3","3","6","1") = "5"
    & skf18("1","6","4","3","3","7","1") = "6"
    & skf18("1","6","4","3","3","8","1") = "7"
    & skf18("1","6","4","3","3","9","1") = "8"
    & skf18("1","6","4","3","3","10","1") = "9"
    & skf18("1","6","4","3","4","1","1") = "5"
    & skf18("1","6","4","3","4","2","1") = "5"
    & skf18("1","6","4","3","4","3","1") = "5"
    & skf18("1","6","4","3","4","4","1") = "5"
    & skf18("1","6","4","3","4","5","1") = "5"
    & skf18("1","6","4","3","4","6","1") = "5"
    & skf18("1","6","4","3","4","7","1") = "6"
    & skf18("1","6","4","3","4","8","1") = "7"
    & skf18("1","6","4","3","4","9","1") = "8"
    & skf18("1","6","4","3","4","10","1") = "9"
    & skf18("1","6","4","3","5","1","1") = "5"
    & skf18("1","6","4","3","5","2","1") = "5"
    & skf18("1","6","4","3","5","3","1") = "5"
    & skf18("1","6","4","3","5","4","1") = "5"
    & skf18("1","6","4","3","5","5","1") = "5"
    & skf18("1","6","4","3","5","6","1") = "5"
    & skf18("1","6","4","3","5","7","1") = "6"
    & skf18("1","6","4","3","5","8","1") = "7"
    & skf18("1","6","4","3","5","9","1") = "8"
    & skf18("1","6","4","3","5","10","1") = "9"
    & skf18("1","6","4","3","6","1","1") = "5"
    & skf18("1","6","4","3","6","2","1") = "5"
    & skf18("1","6","4","3","6","3","1") = "5"
    & skf18("1","6","4","3","6","4","1") = "5"
    & skf18("1","6","4","3","6","5","1") = "5"
    & skf18("1","6","4","3","6","6","1") = "5"
    & skf18("1","6","4","3","6","7","1") = "6"
    & skf18("1","6","4","3","6","8","1") = "7"
    & skf18("1","6","4","3","6","9","1") = "8"
    & skf18("1","6","4","3","6","10","1") = "9"
    & skf18("1","6","4","3","7","1","1") = "6"
    & skf18("1","6","4","3","7","2","1") = "6"
    & skf18("1","6","4","3","7","3","1") = "6"
    & skf18("1","6","4","3","7","4","1") = "6"
    & skf18("1","6","4","3","7","5","1") = "6"
    & skf18("1","6","4","3","7","6","1") = "6"
    & skf18("1","6","4","3","7","7","1") = "6"
    & skf18("1","6","4","3","7","8","1") = "7"
    & skf18("1","6","4","3","7","9","1") = "8"
    & skf18("1","6","4","3","7","10","1") = "9"
    & skf18("1","6","4","3","8","1","1") = "7"
    & skf18("1","6","4","3","8","2","1") = "7"
    & skf18("1","6","4","3","8","3","1") = "7"
    & skf18("1","6","4","3","8","4","1") = "7"
    & skf18("1","6","4","3","8","5","1") = "7"
    & skf18("1","6","4","3","8","6","1") = "7"
    & skf18("1","6","4","3","8","7","1") = "7"
    & skf18("1","6","4","3","8","8","1") = "7"
    & skf18("1","6","4","3","8","9","1") = "8"
    & skf18("1","6","4","3","8","10","1") = "9"
    & skf18("1","6","4","3","9","1","1") = "8"
    & skf18("1","6","4","3","9","2","1") = "8"
    & skf18("1","6","4","3","9","3","1") = "8"
    & skf18("1","6","4","3","9","4","1") = "8"
    & skf18("1","6","4","3","9","5","1") = "8"
    & skf18("1","6","4","3","9","6","1") = "8"
    & skf18("1","6","4","3","9","7","1") = "8"
    & skf18("1","6","4","3","9","8","1") = "8"
    & skf18("1","6","4","3","9","9","1") = "8"
    & skf18("1","6","4","3","9","10","1") = "9"
    & skf18("1","6","4","3","10","1","1") = "9"
    & skf18("1","6","4","3","10","2","1") = "9"
    & skf18("1","6","4","3","10","3","1") = "9"
    & skf18("1","6","4","3","10","4","1") = "9"
    & skf18("1","6","4","3","10","5","1") = "9"
    & skf18("1","6","4","3","10","6","1") = "9"
    & skf18("1","6","4","3","10","7","1") = "9"
    & skf18("1","6","4","3","10","8","1") = "9"
    & skf18("1","6","4","3","10","9","1") = "9"
    & skf18("1","6","4","3","10","10","1") = "9"
    & skf18("1","6","4","4","1","1","1") = "5"
    & skf18("1","6","4","4","1","2","1") = "5"
    & skf18("1","6","4","4","1","3","1") = "5"
    & skf18("1","6","4","4","1","4","1") = "5"
    & skf18("1","6","4","4","1","5","1") = "5"
    & skf18("1","6","4","4","1","6","1") = "5"
    & skf18("1","6","4","4","1","7","1") = "6"
    & skf18("1","6","4","4","1","8","1") = "7"
    & skf18("1","6","4","4","1","9","1") = "8"
    & skf18("1","6","4","4","1","10","1") = "9"
    & skf18("1","6","4","4","2","1","1") = "5"
    & skf18("1","6","4","4","2","2","1") = "5"
    & skf18("1","6","4","4","2","3","1") = "5"
    & skf18("1","6","4","4","2","4","1") = "5"
    & skf18("1","6","4","4","2","5","1") = "5"
    & skf18("1","6","4","4","2","6","1") = "5"
    & skf18("1","6","4","4","2","7","1") = "6"
    & skf18("1","6","4","4","2","8","1") = "7"
    & skf18("1","6","4","4","2","9","1") = "8"
    & skf18("1","6","4","4","2","10","1") = "9"
    & skf18("1","6","4","4","3","1","1") = "5"
    & skf18("1","6","4","4","3","2","1") = "5"
    & skf18("1","6","4","4","3","3","1") = "5"
    & skf18("1","6","4","4","3","4","1") = "5"
    & skf18("1","6","4","4","3","5","1") = "5"
    & skf18("1","6","4","4","3","6","1") = "5"
    & skf18("1","6","4","4","3","7","1") = "6"
    & skf18("1","6","4","4","3","8","1") = "7"
    & skf18("1","6","4","4","3","9","1") = "8"
    & skf18("1","6","4","4","3","10","1") = "9"
    & skf18("1","6","4","4","4","1","1") = "5"
    & skf18("1","6","4","4","4","2","1") = "5"
    & skf18("1","6","4","4","4","3","1") = "5"
    & skf18("1","6","4","4","4","4","1") = "5"
    & skf18("1","6","4","4","4","5","1") = "5"
    & skf18("1","6","4","4","4","6","1") = "5"
    & skf18("1","6","4","4","4","7","1") = "6"
    & skf18("1","6","4","4","4","8","1") = "7"
    & skf18("1","6","4","4","4","9","1") = "8"
    & skf18("1","6","4","4","4","10","1") = "9"
    & skf18("1","6","4","4","5","1","1") = "5"
    & skf18("1","6","4","4","5","2","1") = "5"
    & skf18("1","6","4","4","5","3","1") = "5"
    & skf18("1","6","4","4","5","4","1") = "5"
    & skf18("1","6","4","4","5","5","1") = "5"
    & skf18("1","6","4","4","5","6","1") = "5"
    & skf18("1","6","4","4","5","7","1") = "6"
    & skf18("1","6","4","4","5","8","1") = "7"
    & skf18("1","6","4","4","5","9","1") = "8"
    & skf18("1","6","4","4","5","10","1") = "9"
    & skf18("1","6","4","4","6","1","1") = "5"
    & skf18("1","6","4","4","6","2","1") = "5"
    & skf18("1","6","4","4","6","3","1") = "5"
    & skf18("1","6","4","4","6","4","1") = "5"
    & skf18("1","6","4","4","6","5","1") = "5"
    & skf18("1","6","4","4","6","6","1") = "5"
    & skf18("1","6","4","4","6","7","1") = "6"
    & skf18("1","6","4","4","6","8","1") = "7"
    & skf18("1","6","4","4","6","9","1") = "8"
    & skf18("1","6","4","4","6","10","1") = "9"
    & skf18("1","6","4","4","7","1","1") = "6"
    & skf18("1","6","4","4","7","2","1") = "6"
    & skf18("1","6","4","4","7","3","1") = "6"
    & skf18("1","6","4","4","7","4","1") = "6"
    & skf18("1","6","4","4","7","5","1") = "6"
    & skf18("1","6","4","4","7","6","1") = "6"
    & skf18("1","6","4","4","7","7","1") = "6"
    & skf18("1","6","4","4","7","8","1") = "7"
    & skf18("1","6","4","4","7","9","1") = "8"
    & skf18("1","6","4","4","7","10","1") = "9"
    & skf18("1","6","4","4","8","1","1") = "7"
    & skf18("1","6","4","4","8","2","1") = "7"
    & skf18("1","6","4","4","8","3","1") = "7"
    & skf18("1","6","4","4","8","4","1") = "7"
    & skf18("1","6","4","4","8","5","1") = "7"
    & skf18("1","6","4","4","8","6","1") = "7"
    & skf18("1","6","4","4","8","7","1") = "7"
    & skf18("1","6","4","4","8","8","1") = "7"
    & skf18("1","6","4","4","8","9","1") = "8"
    & skf18("1","6","4","4","8","10","1") = "9"
    & skf18("1","6","4","4","9","1","1") = "8"
    & skf18("1","6","4","4","9","2","1") = "8"
    & skf18("1","6","4","4","9","3","1") = "8"
    & skf18("1","6","4","4","9","4","1") = "8"
    & skf18("1","6","4","4","9","5","1") = "8"
    & skf18("1","6","4","4","9","6","1") = "8"
    & skf18("1","6","4","4","9","7","1") = "8"
    & skf18("1","6","4","4","9","8","1") = "8"
    & skf18("1","6","4","4","9","9","1") = "8"
    & skf18("1","6","4","4","9","10","1") = "9"
    & skf18("1","6","4","4","10","1","1") = "9"
    & skf18("1","6","4","4","10","2","1") = "9"
    & skf18("1","6","4","4","10","3","1") = "9"
    & skf18("1","6","4","4","10","4","1") = "9"
    & skf18("1","6","4","4","10","5","1") = "9"
    & skf18("1","6","4","4","10","6","1") = "9"
    & skf18("1","6","4","4","10","7","1") = "9"
    & skf18("1","6","4","4","10","8","1") = "9"
    & skf18("1","6","4","4","10","9","1") = "9"
    & skf18("1","6","4","4","10","10","1") = "9"
    & skf18("1","6","4","5","1","1","1") = "5"
    & skf18("1","6","4","5","1","2","1") = "5"
    & skf18("1","6","4","5","1","3","1") = "5"
    & skf18("1","6","4","5","1","4","1") = "5"
    & skf18("1","6","4","5","1","5","1") = "5"
    & skf18("1","6","4","5","1","6","1") = "5"
    & skf18("1","6","4","5","1","7","1") = "6"
    & skf18("1","6","4","5","1","8","1") = "7"
    & skf18("1","6","4","5","1","9","1") = "8"
    & skf18("1","6","4","5","1","10","1") = "9"
    & skf18("1","6","4","5","2","1","1") = "5"
    & skf18("1","6","4","5","2","2","1") = "5"
    & skf18("1","6","4","5","2","3","1") = "5"
    & skf18("1","6","4","5","2","4","1") = "5"
    & skf18("1","6","4","5","2","5","1") = "5"
    & skf18("1","6","4","5","2","6","1") = "5"
    & skf18("1","6","4","5","2","7","1") = "6"
    & skf18("1","6","4","5","2","8","1") = "7"
    & skf18("1","6","4","5","2","9","1") = "8"
    & skf18("1","6","4","5","2","10","1") = "9"
    & skf18("1","6","4","5","3","1","1") = "5"
    & skf18("1","6","4","5","3","2","1") = "5"
    & skf18("1","6","4","5","3","3","1") = "5"
    & skf18("1","6","4","5","3","4","1") = "5"
    & skf18("1","6","4","5","3","5","1") = "5"
    & skf18("1","6","4","5","3","6","1") = "5"
    & skf18("1","6","4","5","3","7","1") = "6"
    & skf18("1","6","4","5","3","8","1") = "7"
    & skf18("1","6","4","5","3","9","1") = "8"
    & skf18("1","6","4","5","3","10","1") = "9"
    & skf18("1","6","4","5","4","1","1") = "5"
    & skf18("1","6","4","5","4","2","1") = "5"
    & skf18("1","6","4","5","4","3","1") = "5"
    & skf18("1","6","4","5","4","4","1") = "5"
    & skf18("1","6","4","5","4","5","1") = "5"
    & skf18("1","6","4","5","4","6","1") = "5"
    & skf18("1","6","4","5","4","7","1") = "6"
    & skf18("1","6","4","5","4","8","1") = "7"
    & skf18("1","6","4","5","4","9","1") = "8"
    & skf18("1","6","4","5","4","10","1") = "9"
    & skf18("1","6","4","5","5","1","1") = "5"
    & skf18("1","6","4","5","5","2","1") = "5"
    & skf18("1","6","4","5","5","3","1") = "5"
    & skf18("1","6","4","5","5","4","1") = "5"
    & skf18("1","6","4","5","5","5","1") = "5"
    & skf18("1","6","4","5","5","6","1") = "5"
    & skf18("1","6","4","5","5","7","1") = "6"
    & skf18("1","6","4","5","5","8","1") = "7"
    & skf18("1","6","4","5","5","9","1") = "8"
    & skf18("1","6","4","5","5","10","1") = "9"
    & skf18("1","6","4","5","6","1","1") = "5"
    & skf18("1","6","4","5","6","2","1") = "5"
    & skf18("1","6","4","5","6","3","1") = "5"
    & skf18("1","6","4","5","6","4","1") = "5"
    & skf18("1","6","4","5","6","5","1") = "5"
    & skf18("1","6","4","5","6","6","1") = "5"
    & skf18("1","6","4","5","6","7","1") = "6"
    & skf18("1","6","4","5","6","8","1") = "7"
    & skf18("1","6","4","5","6","9","1") = "8"
    & skf18("1","6","4","5","6","10","1") = "9"
    & skf18("1","6","4","5","7","1","1") = "6"
    & skf18("1","6","4","5","7","2","1") = "6"
    & skf18("1","6","4","5","7","3","1") = "6"
    & skf18("1","6","4","5","7","4","1") = "6"
    & skf18("1","6","4","5","7","5","1") = "6"
    & skf18("1","6","4","5","7","6","1") = "6"
    & skf18("1","6","4","5","7","7","1") = "6"
    & skf18("1","6","4","5","7","8","1") = "7"
    & skf18("1","6","4","5","7","9","1") = "8"
    & skf18("1","6","4","5","7","10","1") = "9"
    & skf18("1","6","4","5","8","1","1") = "7"
    & skf18("1","6","4","5","8","2","1") = "7"
    & skf18("1","6","4","5","8","3","1") = "7"
    & skf18("1","6","4","5","8","4","1") = "7"
    & skf18("1","6","4","5","8","5","1") = "7"
    & skf18("1","6","4","5","8","6","1") = "7"
    & skf18("1","6","4","5","8","7","1") = "7"
    & skf18("1","6","4","5","8","8","1") = "7"
    & skf18("1","6","4","5","8","9","1") = "8"
    & skf18("1","6","4","5","8","10","1") = "9"
    & skf18("1","6","4","5","9","1","1") = "8"
    & skf18("1","6","4","5","9","2","1") = "8"
    & skf18("1","6","4","5","9","3","1") = "8"
    & skf18("1","6","4","5","9","4","1") = "8"
    & skf18("1","6","4","5","9","5","1") = "8"
    & skf18("1","6","4","5","9","6","1") = "8"
    & skf18("1","6","4","5","9","7","1") = "8"
    & skf18("1","6","4","5","9","8","1") = "8"
    & skf18("1","6","4","5","9","9","1") = "8"
    & skf18("1","6","4","5","9","10","1") = "9"
    & skf18("1","6","4","5","10","1","1") = "9"
    & skf18("1","6","4","5","10","2","1") = "9"
    & skf18("1","6","4","5","10","3","1") = "9"
    & skf18("1","6","4","5","10","4","1") = "9"
    & skf18("1","6","4","5","10","5","1") = "9"
    & skf18("1","6","4","5","10","6","1") = "9"
    & skf18("1","6","4","5","10","7","1") = "9"
    & skf18("1","6","4","5","10","8","1") = "9"
    & skf18("1","6","4","5","10","9","1") = "9"
    & skf18("1","6","4","5","10","10","1") = "9"
    & skf18("1","6","4","6","1","1","1") = "5"
    & skf18("1","6","4","6","1","2","1") = "5"
    & skf18("1","6","4","6","1","3","1") = "5"
    & skf18("1","6","4","6","1","4","1") = "5"
    & skf18("1","6","4","6","1","5","1") = "5"
    & skf18("1","6","4","6","1","6","1") = "5"
    & skf18("1","6","4","6","1","7","1") = "6"
    & skf18("1","6","4","6","1","8","1") = "7"
    & skf18("1","6","4","6","1","9","1") = "8"
    & skf18("1","6","4","6","1","10","1") = "9"
    & skf18("1","6","4","6","2","1","1") = "5"
    & skf18("1","6","4","6","2","2","1") = "5"
    & skf18("1","6","4","6","2","3","1") = "5"
    & skf18("1","6","4","6","2","4","1") = "5"
    & skf18("1","6","4","6","2","5","1") = "5"
    & skf18("1","6","4","6","2","6","1") = "5"
    & skf18("1","6","4","6","2","7","1") = "6"
    & skf18("1","6","4","6","2","8","1") = "7"
    & skf18("1","6","4","6","2","9","1") = "8"
    & skf18("1","6","4","6","2","10","1") = "9"
    & skf18("1","6","4","6","3","1","1") = "5"
    & skf18("1","6","4","6","3","2","1") = "5"
    & skf18("1","6","4","6","3","3","1") = "5"
    & skf18("1","6","4","6","3","4","1") = "5"
    & skf18("1","6","4","6","3","5","1") = "5"
    & skf18("1","6","4","6","3","6","1") = "5"
    & skf18("1","6","4","6","3","7","1") = "6"
    & skf18("1","6","4","6","3","8","1") = "7"
    & skf18("1","6","4","6","3","9","1") = "8"
    & skf18("1","6","4","6","3","10","1") = "9"
    & skf18("1","6","4","6","4","1","1") = "5"
    & skf18("1","6","4","6","4","2","1") = "5"
    & skf18("1","6","4","6","4","3","1") = "5"
    & skf18("1","6","4","6","4","4","1") = "5"
    & skf18("1","6","4","6","4","5","1") = "5"
    & skf18("1","6","4","6","4","6","1") = "5"
    & skf18("1","6","4","6","4","7","1") = "6"
    & skf18("1","6","4","6","4","8","1") = "7"
    & skf18("1","6","4","6","4","9","1") = "8"
    & skf18("1","6","4","6","4","10","1") = "9"
    & skf18("1","6","4","6","5","1","1") = "5"
    & skf18("1","6","4","6","5","2","1") = "5"
    & skf18("1","6","4","6","5","3","1") = "5"
    & skf18("1","6","4","6","5","4","1") = "5"
    & skf18("1","6","4","6","5","5","1") = "5"
    & skf18("1","6","4","6","5","6","1") = "5"
    & skf18("1","6","4","6","5","7","1") = "6"
    & skf18("1","6","4","6","5","8","1") = "7"
    & skf18("1","6","4","6","5","9","1") = "8"
    & skf18("1","6","4","6","5","10","1") = "9"
    & skf18("1","6","4","6","6","1","1") = "5"
    & skf18("1","6","4","6","6","2","1") = "5"
    & skf18("1","6","4","6","6","3","1") = "5"
    & skf18("1","6","4","6","6","4","1") = "5"
    & skf18("1","6","4","6","6","5","1") = "5"
    & skf18("1","6","4","6","6","6","1") = "5"
    & skf18("1","6","4","6","6","7","1") = "6"
    & skf18("1","6","4","6","6","8","1") = "7"
    & skf18("1","6","4","6","6","9","1") = "8"
    & skf18("1","6","4","6","6","10","1") = "9"
    & skf18("1","6","4","6","7","1","1") = "6"
    & skf18("1","6","4","6","7","2","1") = "6"
    & skf18("1","6","4","6","7","3","1") = "6"
    & skf18("1","6","4","6","7","4","1") = "6"
    & skf18("1","6","4","6","7","5","1") = "6"
    & skf18("1","6","4","6","7","6","1") = "6"
    & skf18("1","6","4","6","7","7","1") = "6"
    & skf18("1","6","4","6","7","8","1") = "7"
    & skf18("1","6","4","6","7","9","1") = "8"
    & skf18("1","6","4","6","7","10","1") = "9"
    & skf18("1","6","4","6","8","1","1") = "7"
    & skf18("1","6","4","6","8","2","1") = "7"
    & skf18("1","6","4","6","8","3","1") = "7"
    & skf18("1","6","4","6","8","4","1") = "7"
    & skf18("1","6","4","6","8","5","1") = "7"
    & skf18("1","6","4","6","8","6","1") = "7"
    & skf18("1","6","4","6","8","7","1") = "7"
    & skf18("1","6","4","6","8","8","1") = "7"
    & skf18("1","6","4","6","8","9","1") = "8"
    & skf18("1","6","4","6","8","10","1") = "9"
    & skf18("1","6","4","6","9","1","1") = "8"
    & skf18("1","6","4","6","9","2","1") = "8"
    & skf18("1","6","4","6","9","3","1") = "8"
    & skf18("1","6","4","6","9","4","1") = "8"
    & skf18("1","6","4","6","9","5","1") = "8"
    & skf18("1","6","4","6","9","6","1") = "8"
    & skf18("1","6","4","6","9","7","1") = "8"
    & skf18("1","6","4","6","9","8","1") = "8"
    & skf18("1","6","4","6","9","9","1") = "8"
    & skf18("1","6","4","6","9","10","1") = "9"
    & skf18("1","6","4","6","10","1","1") = "9"
    & skf18("1","6","4","6","10","2","1") = "9"
    & skf18("1","6","4","6","10","3","1") = "9"
    & skf18("1","6","4","6","10","4","1") = "9"
    & skf18("1","6","4","6","10","5","1") = "9"
    & skf18("1","6","4","6","10","6","1") = "9"
    & skf18("1","6","4","6","10","7","1") = "9"
    & skf18("1","6","4","6","10","8","1") = "9"
    & skf18("1","6","4","6","10","9","1") = "9"
    & skf18("1","6","4","6","10","10","1") = "9"
    & skf18("1","6","4","7","1","1","1") = "6"
    & skf18("1","6","4","7","1","2","1") = "6"
    & skf18("1","6","4","7","1","3","1") = "6"
    & skf18("1","6","4","7","1","4","1") = "6"
    & skf18("1","6","4","7","1","5","1") = "6"
    & skf18("1","6","4","7","1","6","1") = "6"
    & skf18("1","6","4","7","1","7","1") = "6"
    & skf18("1","6","4","7","1","8","1") = "7"
    & skf18("1","6","4","7","1","9","1") = "8"
    & skf18("1","6","4","7","1","10","1") = "9"
    & skf18("1","6","4","7","2","1","1") = "6"
    & skf18("1","6","4","7","2","2","1") = "6"
    & skf18("1","6","4","7","2","3","1") = "6"
    & skf18("1","6","4","7","2","4","1") = "6"
    & skf18("1","6","4","7","2","5","1") = "6"
    & skf18("1","6","4","7","2","6","1") = "6"
    & skf18("1","6","4","7","2","7","1") = "6"
    & skf18("1","6","4","7","2","8","1") = "7"
    & skf18("1","6","4","7","2","9","1") = "8"
    & skf18("1","6","4","7","2","10","1") = "9"
    & skf18("1","6","4","7","3","1","1") = "6"
    & skf18("1","6","4","7","3","2","1") = "6"
    & skf18("1","6","4","7","3","3","1") = "6"
    & skf18("1","6","4","7","3","4","1") = "6"
    & skf18("1","6","4","7","3","5","1") = "6"
    & skf18("1","6","4","7","3","6","1") = "6"
    & skf18("1","6","4","7","3","7","1") = "6"
    & skf18("1","6","4","7","3","8","1") = "7"
    & skf18("1","6","4","7","3","9","1") = "8"
    & skf18("1","6","4","7","3","10","1") = "9"
    & skf18("1","6","4","7","4","1","1") = "6"
    & skf18("1","6","4","7","4","2","1") = "6"
    & skf18("1","6","4","7","4","3","1") = "6"
    & skf18("1","6","4","7","4","4","1") = "6"
    & skf18("1","6","4","7","4","5","1") = "6"
    & skf18("1","6","4","7","4","6","1") = "6"
    & skf18("1","6","4","7","4","7","1") = "6"
    & skf18("1","6","4","7","4","8","1") = "7"
    & skf18("1","6","4","7","4","9","1") = "8"
    & skf18("1","6","4","7","4","10","1") = "9"
    & skf18("1","6","4","7","5","1","1") = "6"
    & skf18("1","6","4","7","5","2","1") = "6"
    & skf18("1","6","4","7","5","3","1") = "6"
    & skf18("1","6","4","7","5","4","1") = "6"
    & skf18("1","6","4","7","5","5","1") = "6"
    & skf18("1","6","4","7","5","6","1") = "6"
    & skf18("1","6","4","7","5","7","1") = "6"
    & skf18("1","6","4","7","5","8","1") = "7"
    & skf18("1","6","4","7","5","9","1") = "8"
    & skf18("1","6","4","7","5","10","1") = "9"
    & skf18("1","6","4","7","6","1","1") = "6"
    & skf18("1","6","4","7","6","2","1") = "6"
    & skf18("1","6","4","7","6","3","1") = "6"
    & skf18("1","6","4","7","6","4","1") = "6"
    & skf18("1","6","4","7","6","5","1") = "6"
    & skf18("1","6","4","7","6","6","1") = "6"
    & skf18("1","6","4","7","6","7","1") = "6"
    & skf18("1","6","4","7","6","8","1") = "7"
    & skf18("1","6","4","7","6","9","1") = "8"
    & skf18("1","6","4","7","6","10","1") = "9"
    & skf18("1","6","4","7","7","1","1") = "6"
    & skf18("1","6","4","7","7","2","1") = "6"
    & skf18("1","6","4","7","7","3","1") = "6"
    & skf18("1","6","4","7","7","4","1") = "6"
    & skf18("1","6","4","7","7","5","1") = "6"
    & skf18("1","6","4","7","7","6","1") = "6"
    & skf18("1","6","4","7","7","7","1") = "6"
    & skf18("1","6","4","7","7","8","1") = "7"
    & skf18("1","6","4","7","7","9","1") = "8"
    & skf18("1","6","4","7","7","10","1") = "9"
    & skf18("1","6","4","7","8","1","1") = "7"
    & skf18("1","6","4","7","8","2","1") = "7"
    & skf18("1","6","4","7","8","3","1") = "7"
    & skf18("1","6","4","7","8","4","1") = "7"
    & skf18("1","6","4","7","8","5","1") = "7"
    & skf18("1","6","4","7","8","6","1") = "7"
    & skf18("1","6","4","7","8","7","1") = "7"
    & skf18("1","6","4","7","8","8","1") = "7"
    & skf18("1","6","4","7","8","9","1") = "8"
    & skf18("1","6","4","7","8","10","1") = "9"
    & skf18("1","6","4","7","9","1","1") = "8"
    & skf18("1","6","4","7","9","2","1") = "8"
    & skf18("1","6","4","7","9","3","1") = "8"
    & skf18("1","6","4","7","9","4","1") = "8"
    & skf18("1","6","4","7","9","5","1") = "8"
    & skf18("1","6","4","7","9","6","1") = "8"
    & skf18("1","6","4","7","9","7","1") = "8"
    & skf18("1","6","4","7","9","8","1") = "8"
    & skf18("1","6","4","7","9","9","1") = "8"
    & skf18("1","6","4","7","9","10","1") = "9"
    & skf18("1","6","4","7","10","1","1") = "9"
    & skf18("1","6","4","7","10","2","1") = "9"
    & skf18("1","6","4","7","10","3","1") = "9"
    & skf18("1","6","4","7","10","4","1") = "9"
    & skf18("1","6","4","7","10","5","1") = "9"
    & skf18("1","6","4","7","10","6","1") = "9"
    & skf18("1","6","4","7","10","7","1") = "9"
    & skf18("1","6","4","7","10","8","1") = "9"
    & skf18("1","6","4","7","10","9","1") = "9"
    & skf18("1","6","4","7","10","10","1") = "9"
    & skf18("1","6","4","8","1","1","1") = "7"
    & skf18("1","6","4","8","1","2","1") = "7"
    & skf18("1","6","4","8","1","3","1") = "7"
    & skf18("1","6","4","8","1","4","1") = "7"
    & skf18("1","6","4","8","1","5","1") = "7"
    & skf18("1","6","4","8","1","6","1") = "7"
    & skf18("1","6","4","8","1","7","1") = "7"
    & skf18("1","6","4","8","1","8","1") = "7"
    & skf18("1","6","4","8","1","9","1") = "8"
    & skf18("1","6","4","8","1","10","1") = "9"
    & skf18("1","6","4","8","2","1","1") = "7"
    & skf18("1","6","4","8","2","2","1") = "7"
    & skf18("1","6","4","8","2","3","1") = "7"
    & skf18("1","6","4","8","2","4","1") = "7"
    & skf18("1","6","4","8","2","5","1") = "7"
    & skf18("1","6","4","8","2","6","1") = "7"
    & skf18("1","6","4","8","2","7","1") = "7"
    & skf18("1","6","4","8","2","8","1") = "7"
    & skf18("1","6","4","8","2","9","1") = "8"
    & skf18("1","6","4","8","2","10","1") = "9"
    & skf18("1","6","4","8","3","1","1") = "7"
    & skf18("1","6","4","8","3","2","1") = "7"
    & skf18("1","6","4","8","3","3","1") = "7"
    & skf18("1","6","4","8","3","4","1") = "7"
    & skf18("1","6","4","8","3","5","1") = "7"
    & skf18("1","6","4","8","3","6","1") = "7"
    & skf18("1","6","4","8","3","7","1") = "7"
    & skf18("1","6","4","8","3","8","1") = "7"
    & skf18("1","6","4","8","3","9","1") = "8"
    & skf18("1","6","4","8","3","10","1") = "9"
    & skf18("1","6","4","8","4","1","1") = "7"
    & skf18("1","6","4","8","4","2","1") = "7"
    & skf18("1","6","4","8","4","3","1") = "7"
    & skf18("1","6","4","8","4","4","1") = "7"
    & skf18("1","6","4","8","4","5","1") = "7"
    & skf18("1","6","4","8","4","6","1") = "7"
    & skf18("1","6","4","8","4","7","1") = "7"
    & skf18("1","6","4","8","4","8","1") = "7"
    & skf18("1","6","4","8","4","9","1") = "8"
    & skf18("1","6","4","8","4","10","1") = "9"
    & skf18("1","6","4","8","5","1","1") = "7"
    & skf18("1","6","4","8","5","2","1") = "7"
    & skf18("1","6","4","8","5","3","1") = "7"
    & skf18("1","6","4","8","5","4","1") = "7"
    & skf18("1","6","4","8","5","5","1") = "7"
    & skf18("1","6","4","8","5","6","1") = "7"
    & skf18("1","6","4","8","5","7","1") = "7"
    & skf18("1","6","4","8","5","8","1") = "7"
    & skf18("1","6","4","8","5","9","1") = "8"
    & skf18("1","6","4","8","5","10","1") = "9"
    & skf18("1","6","4","8","6","1","1") = "7"
    & skf18("1","6","4","8","6","2","1") = "7"
    & skf18("1","6","4","8","6","3","1") = "7"
    & skf18("1","6","4","8","6","4","1") = "7"
    & skf18("1","6","4","8","6","5","1") = "7"
    & skf18("1","6","4","8","6","6","1") = "7"
    & skf18("1","6","4","8","6","7","1") = "7"
    & skf18("1","6","4","8","6","8","1") = "7"
    & skf18("1","6","4","8","6","9","1") = "8"
    & skf18("1","6","4","8","6","10","1") = "9"
    & skf18("1","6","4","8","7","1","1") = "7"
    & skf18("1","6","4","8","7","2","1") = "7"
    & skf18("1","6","4","8","7","3","1") = "7"
    & skf18("1","6","4","8","7","4","1") = "7"
    & skf18("1","6","4","8","7","5","1") = "7"
    & skf18("1","6","4","8","7","6","1") = "7"
    & skf18("1","6","4","8","7","7","1") = "7"
    & skf18("1","6","4","8","7","8","1") = "7"
    & skf18("1","6","4","8","7","9","1") = "8"
    & skf18("1","6","4","8","7","10","1") = "9"
    & skf18("1","6","4","8","8","1","1") = "7"
    & skf18("1","6","4","8","8","2","1") = "7"
    & skf18("1","6","4","8","8","3","1") = "7"
    & skf18("1","6","4","8","8","4","1") = "7"
    & skf18("1","6","4","8","8","5","1") = "7"
    & skf18("1","6","4","8","8","6","1") = "7"
    & skf18("1","6","4","8","8","7","1") = "7"
    & skf18("1","6","4","8","8","8","1") = "7"
    & skf18("1","6","4","8","8","9","1") = "8"
    & skf18("1","6","4","8","8","10","1") = "9"
    & skf18("1","6","4","8","9","1","1") = "8"
    & skf18("1","6","4","8","9","2","1") = "8"
    & skf18("1","6","4","8","9","3","1") = "8"
    & skf18("1","6","4","8","9","4","1") = "8"
    & skf18("1","6","4","8","9","5","1") = "8"
    & skf18("1","6","4","8","9","6","1") = "8"
    & skf18("1","6","4","8","9","7","1") = "8"
    & skf18("1","6","4","8","9","8","1") = "8"
    & skf18("1","6","4","8","9","9","1") = "8"
    & skf18("1","6","4","8","9","10","1") = "9"
    & skf18("1","6","4","8","10","1","1") = "9"
    & skf18("1","6","4","8","10","2","1") = "9"
    & skf18("1","6","4","8","10","3","1") = "9"
    & skf18("1","6","4","8","10","4","1") = "9"
    & skf18("1","6","4","8","10","5","1") = "9"
    & skf18("1","6","4","8","10","6","1") = "9"
    & skf18("1","6","4","8","10","7","1") = "9"
    & skf18("1","6","4","8","10","8","1") = "9"
    & skf18("1","6","4","8","10","9","1") = "9"
    & skf18("1","6","4","8","10","10","1") = "9"
    & skf18("1","6","4","9","1","1","1") = "8"
    & skf18("1","6","4","9","1","2","1") = "8"
    & skf18("1","6","4","9","1","3","1") = "8"
    & skf18("1","6","4","9","1","4","1") = "8"
    & skf18("1","6","4","9","1","5","1") = "8"
    & skf18("1","6","4","9","1","6","1") = "8"
    & skf18("1","6","4","9","1","7","1") = "8"
    & skf18("1","6","4","9","1","8","1") = "8"
    & skf18("1","6","4","9","1","9","1") = "8"
    & skf18("1","6","4","9","1","10","1") = "9"
    & skf18("1","6","4","9","2","1","1") = "8"
    & skf18("1","6","4","9","2","2","1") = "8"
    & skf18("1","6","4","9","2","3","1") = "8"
    & skf18("1","6","4","9","2","4","1") = "8"
    & skf18("1","6","4","9","2","5","1") = "8"
    & skf18("1","6","4","9","2","6","1") = "8"
    & skf18("1","6","4","9","2","7","1") = "8"
    & skf18("1","6","4","9","2","8","1") = "8"
    & skf18("1","6","4","9","2","9","1") = "8"
    & skf18("1","6","4","9","2","10","1") = "9"
    & skf18("1","6","4","9","3","1","1") = "8"
    & skf18("1","6","4","9","3","2","1") = "8"
    & skf18("1","6","4","9","3","3","1") = "8"
    & skf18("1","6","4","9","3","4","1") = "8"
    & skf18("1","6","4","9","3","5","1") = "8"
    & skf18("1","6","4","9","3","6","1") = "8"
    & skf18("1","6","4","9","3","7","1") = "8"
    & skf18("1","6","4","9","3","8","1") = "8"
    & skf18("1","6","4","9","3","9","1") = "8"
    & skf18("1","6","4","9","3","10","1") = "9"
    & skf18("1","6","4","9","4","1","1") = "8"
    & skf18("1","6","4","9","4","2","1") = "8"
    & skf18("1","6","4","9","4","3","1") = "8"
    & skf18("1","6","4","9","4","4","1") = "8"
    & skf18("1","6","4","9","4","5","1") = "8"
    & skf18("1","6","4","9","4","6","1") = "8"
    & skf18("1","6","4","9","4","7","1") = "8"
    & skf18("1","6","4","9","4","8","1") = "8"
    & skf18("1","6","4","9","4","9","1") = "8"
    & skf18("1","6","4","9","4","10","1") = "9"
    & skf18("1","6","4","9","5","1","1") = "8"
    & skf18("1","6","4","9","5","2","1") = "8"
    & skf18("1","6","4","9","5","3","1") = "8"
    & skf18("1","6","4","9","5","4","1") = "8"
    & skf18("1","6","4","9","5","5","1") = "8"
    & skf18("1","6","4","9","5","6","1") = "8"
    & skf18("1","6","4","9","5","7","1") = "8"
    & skf18("1","6","4","9","5","8","1") = "8"
    & skf18("1","6","4","9","5","9","1") = "8"
    & skf18("1","6","4","9","5","10","1") = "9"
    & skf18("1","6","4","9","6","1","1") = "8"
    & skf18("1","6","4","9","6","2","1") = "8"
    & skf18("1","6","4","9","6","3","1") = "8"
    & skf18("1","6","4","9","6","4","1") = "8"
    & skf18("1","6","4","9","6","5","1") = "8"
    & skf18("1","6","4","9","6","6","1") = "8"
    & skf18("1","6","4","9","6","7","1") = "8"
    & skf18("1","6","4","9","6","8","1") = "8"
    & skf18("1","6","4","9","6","9","1") = "8"
    & skf18("1","6","4","9","6","10","1") = "9"
    & skf18("1","6","4","9","7","1","1") = "8"
    & skf18("1","6","4","9","7","2","1") = "8"
    & skf18("1","6","4","9","7","3","1") = "8"
    & skf18("1","6","4","9","7","4","1") = "8"
    & skf18("1","6","4","9","7","5","1") = "8"
    & skf18("1","6","4","9","7","6","1") = "8"
    & skf18("1","6","4","9","7","7","1") = "8"
    & skf18("1","6","4","9","7","8","1") = "8"
    & skf18("1","6","4","9","7","9","1") = "8"
    & skf18("1","6","4","9","7","10","1") = "9"
    & skf18("1","6","4","9","8","1","1") = "8"
    & skf18("1","6","4","9","8","2","1") = "8"
    & skf18("1","6","4","9","8","3","1") = "8"
    & skf18("1","6","4","9","8","4","1") = "8"
    & skf18("1","6","4","9","8","5","1") = "8"
    & skf18("1","6","4","9","8","6","1") = "8"
    & skf18("1","6","4","9","8","7","1") = "8"
    & skf18("1","6","4","9","8","8","1") = "8"
    & skf18("1","6","4","9","8","9","1") = "8"
    & skf18("1","6","4","9","8","10","1") = "9"
    & skf18("1","6","4","9","9","1","1") = "8"
    & skf18("1","6","4","9","9","2","1") = "8"
    & skf18("1","6","4","9","9","3","1") = "8"
    & skf18("1","6","4","9","9","4","1") = "8"
    & skf18("1","6","4","9","9","5","1") = "8"
    & skf18("1","6","4","9","9","6","1") = "8"
    & skf18("1","6","4","9","9","7","1") = "8"
    & skf18("1","6","4","9","9","8","1") = "8"
    & skf18("1","6","4","9","9","9","1") = "8"
    & skf18("1","6","4","9","9","10","1") = "9"
    & skf18("1","6","4","9","10","1","1") = "9"
    & skf18("1","6","4","9","10","2","1") = "9"
    & skf18("1","6","4","9","10","3","1") = "9"
    & skf18("1","6","4","9","10","4","1") = "9"
    & skf18("1","6","4","9","10","5","1") = "9"
    & skf18("1","6","4","9","10","6","1") = "9"
    & skf18("1","6","4","9","10","7","1") = "9"
    & skf18("1","6","4","9","10","8","1") = "9"
    & skf18("1","6","4","9","10","9","1") = "9"
    & skf18("1","6","4","9","10","10","1") = "9"
    & skf18("1","6","4","10","1","1","1") = "9"
    & skf18("1","6","4","10","1","2","1") = "9"
    & skf18("1","6","4","10","1","3","1") = "9"
    & skf18("1","6","4","10","1","4","1") = "9"
    & skf18("1","6","4","10","1","5","1") = "9"
    & skf18("1","6","4","10","1","6","1") = "9"
    & skf18("1","6","4","10","1","7","1") = "9"
    & skf18("1","6","4","10","1","8","1") = "9"
    & skf18("1","6","4","10","1","9","1") = "9"
    & skf18("1","6","4","10","1","10","1") = "9"
    & skf18("1","6","4","10","2","1","1") = "9"
    & skf18("1","6","4","10","2","2","1") = "9"
    & skf18("1","6","4","10","2","3","1") = "9"
    & skf18("1","6","4","10","2","4","1") = "9"
    & skf18("1","6","4","10","2","5","1") = "9"
    & skf18("1","6","4","10","2","6","1") = "9"
    & skf18("1","6","4","10","2","7","1") = "9"
    & skf18("1","6","4","10","2","8","1") = "9"
    & skf18("1","6","4","10","2","9","1") = "9"
    & skf18("1","6","4","10","2","10","1") = "9"
    & skf18("1","6","4","10","3","1","1") = "9"
    & skf18("1","6","4","10","3","2","1") = "9"
    & skf18("1","6","4","10","3","3","1") = "9"
    & skf18("1","6","4","10","3","4","1") = "9"
    & skf18("1","6","4","10","3","5","1") = "9"
    & skf18("1","6","4","10","3","6","1") = "9"
    & skf18("1","6","4","10","3","7","1") = "9"
    & skf18("1","6","4","10","3","8","1") = "9"
    & skf18("1","6","4","10","3","9","1") = "9"
    & skf18("1","6","4","10","3","10","1") = "9"
    & skf18("1","6","4","10","4","1","1") = "9"
    & skf18("1","6","4","10","4","2","1") = "9"
    & skf18("1","6","4","10","4","3","1") = "9"
    & skf18("1","6","4","10","4","4","1") = "9"
    & skf18("1","6","4","10","4","5","1") = "9"
    & skf18("1","6","4","10","4","6","1") = "9"
    & skf18("1","6","4","10","4","7","1") = "9"
    & skf18("1","6","4","10","4","8","1") = "9"
    & skf18("1","6","4","10","4","9","1") = "9"
    & skf18("1","6","4","10","4","10","1") = "9"
    & skf18("1","6","4","10","5","1","1") = "9"
    & skf18("1","6","4","10","5","2","1") = "9"
    & skf18("1","6","4","10","5","3","1") = "9"
    & skf18("1","6","4","10","5","4","1") = "9"
    & skf18("1","6","4","10","5","5","1") = "9"
    & skf18("1","6","4","10","5","6","1") = "9"
    & skf18("1","6","4","10","5","7","1") = "9"
    & skf18("1","6","4","10","5","8","1") = "9"
    & skf18("1","6","4","10","5","9","1") = "9"
    & skf18("1","6","4","10","5","10","1") = "9"
    & skf18("1","6","4","10","6","1","1") = "9"
    & skf18("1","6","4","10","6","2","1") = "9"
    & skf18("1","6","4","10","6","3","1") = "9"
    & skf18("1","6","4","10","6","4","1") = "9"
    & skf18("1","6","4","10","6","5","1") = "9"
    & skf18("1","6","4","10","6","6","1") = "9"
    & skf18("1","6","4","10","6","7","1") = "9"
    & skf18("1","6","4","10","6","8","1") = "9"
    & skf18("1","6","4","10","6","9","1") = "9"
    & skf18("1","6","4","10","6","10","1") = "9"
    & skf18("1","6","4","10","7","1","1") = "9"
    & skf18("1","6","4","10","7","2","1") = "9"
    & skf18("1","6","4","10","7","3","1") = "9"
    & skf18("1","6","4","10","7","4","1") = "9"
    & skf18("1","6","4","10","7","5","1") = "9"
    & skf18("1","6","4","10","7","6","1") = "9"
    & skf18("1","6","4","10","7","7","1") = "9"
    & skf18("1","6","4","10","7","8","1") = "9"
    & skf18("1","6","4","10","7","9","1") = "9"
    & skf18("1","6","4","10","7","10","1") = "9"
    & skf18("1","6","4","10","8","1","1") = "9"
    & skf18("1","6","4","10","8","2","1") = "9"
    & skf18("1","6","4","10","8","3","1") = "9"
    & skf18("1","6","4","10","8","4","1") = "9"
    & skf18("1","6","4","10","8","5","1") = "9"
    & skf18("1","6","4","10","8","6","1") = "9"
    & skf18("1","6","4","10","8","7","1") = "9"
    & skf18("1","6","4","10","8","8","1") = "9"
    & skf18("1","6","4","10","8","9","1") = "9"
    & skf18("1","6","4","10","8","10","1") = "9"
    & skf18("1","6","4","10","9","1","1") = "9"
    & skf18("1","6","4","10","9","2","1") = "9"
    & skf18("1","6","4","10","9","3","1") = "9"
    & skf18("1","6","4","10","9","4","1") = "9"
    & skf18("1","6","4","10","9","5","1") = "9"
    & skf18("1","6","4","10","9","6","1") = "9"
    & skf18("1","6","4","10","9","7","1") = "9"
    & skf18("1","6","4","10","9","8","1") = "9"
    & skf18("1","6","4","10","9","9","1") = "9"
    & skf18("1","6","4","10","9","10","1") = "9"
    & skf18("1","6","4","10","10","1","1") = "9"
    & skf18("1","6","4","10","10","2","1") = "9"
    & skf18("1","6","4","10","10","3","1") = "9"
    & skf18("1","6","4","10","10","4","1") = "9"
    & skf18("1","6","4","10","10","5","1") = "9"
    & skf18("1","6","4","10","10","6","1") = "9"
    & skf18("1","6","4","10","10","7","1") = "9"
    & skf18("1","6","4","10","10","8","1") = "9"
    & skf18("1","6","4","10","10","9","1") = "9"
    & skf18("1","6","4","10","10","10","1") = "9"
    & skf18("1","6","5","1","1","1","1") = "5"
    & skf18("1","6","5","1","1","2","1") = "5"
    & skf18("1","6","5","1","1","3","1") = "5"
    & skf18("1","6","5","1","1","4","1") = "5"
    & skf18("1","6","5","1","1","5","1") = "5"
    & skf18("1","6","5","1","1","6","1") = "5"
    & skf18("1","6","5","1","1","7","1") = "6"
    & skf18("1","6","5","1","1","8","1") = "7"
    & skf18("1","6","5","1","1","9","1") = "8"
    & skf18("1","6","5","1","1","10","1") = "9"
    & skf18("1","6","5","1","2","1","1") = "5"
    & skf18("1","6","5","1","2","2","1") = "5"
    & skf18("1","6","5","1","2","3","1") = "5"
    & skf18("1","6","5","1","2","4","1") = "5"
    & skf18("1","6","5","1","2","5","1") = "5"
    & skf18("1","6","5","1","2","6","1") = "5"
    & skf18("1","6","5","1","2","7","1") = "6"
    & skf18("1","6","5","1","2","8","1") = "7"
    & skf18("1","6","5","1","2","9","1") = "8"
    & skf18("1","6","5","1","2","10","1") = "9"
    & skf18("1","6","5","1","3","1","1") = "5"
    & skf18("1","6","5","1","3","2","1") = "5"
    & skf18("1","6","5","1","3","3","1") = "5"
    & skf18("1","6","5","1","3","4","1") = "5"
    & skf18("1","6","5","1","3","5","1") = "5"
    & skf18("1","6","5","1","3","6","1") = "5"
    & skf18("1","6","5","1","3","7","1") = "6"
    & skf18("1","6","5","1","3","8","1") = "7"
    & skf18("1","6","5","1","3","9","1") = "8"
    & skf18("1","6","5","1","3","10","1") = "9"
    & skf18("1","6","5","1","4","1","1") = "5"
    & skf18("1","6","5","1","4","2","1") = "5"
    & skf18("1","6","5","1","4","3","1") = "5"
    & skf18("1","6","5","1","4","4","1") = "5"
    & skf18("1","6","5","1","4","5","1") = "5"
    & skf18("1","6","5","1","4","6","1") = "5"
    & skf18("1","6","5","1","4","7","1") = "6"
    & skf18("1","6","5","1","4","8","1") = "7"
    & skf18("1","6","5","1","4","9","1") = "8"
    & skf18("1","6","5","1","4","10","1") = "9"
    & skf18("1","6","5","1","5","1","1") = "5"
    & skf18("1","6","5","1","5","2","1") = "5"
    & skf18("1","6","5","1","5","3","1") = "5"
    & skf18("1","6","5","1","5","4","1") = "5"
    & skf18("1","6","5","1","5","5","1") = "5"
    & skf18("1","6","5","1","5","6","1") = "5"
    & skf18("1","6","5","1","5","7","1") = "6"
    & skf18("1","6","5","1","5","8","1") = "7"
    & skf18("1","6","5","1","5","9","1") = "8"
    & skf18("1","6","5","1","5","10","1") = "9"
    & skf18("1","6","5","1","6","1","1") = "5"
    & skf18("1","6","5","1","6","2","1") = "5"
    & skf18("1","6","5","1","6","3","1") = "5"
    & skf18("1","6","5","1","6","4","1") = "5"
    & skf18("1","6","5","1","6","5","1") = "5"
    & skf18("1","6","5","1","6","6","1") = "5"
    & skf18("1","6","5","1","6","7","1") = "6"
    & skf18("1","6","5","1","6","8","1") = "7"
    & skf18("1","6","5","1","6","9","1") = "8"
    & skf18("1","6","5","1","6","10","1") = "9"
    & skf18("1","6","5","1","7","1","1") = "6"
    & skf18("1","6","5","1","7","2","1") = "6"
    & skf18("1","6","5","1","7","3","1") = "6"
    & skf18("1","6","5","1","7","4","1") = "6"
    & skf18("1","6","5","1","7","5","1") = "6"
    & skf18("1","6","5","1","7","6","1") = "6"
    & skf18("1","6","5","1","7","7","1") = "6"
    & skf18("1","6","5","1","7","8","1") = "7"
    & skf18("1","6","5","1","7","9","1") = "8"
    & skf18("1","6","5","1","7","10","1") = "9"
    & skf18("1","6","5","1","8","1","1") = "7"
    & skf18("1","6","5","1","8","2","1") = "7"
    & skf18("1","6","5","1","8","3","1") = "7"
    & skf18("1","6","5","1","8","4","1") = "7"
    & skf18("1","6","5","1","8","5","1") = "7"
    & skf18("1","6","5","1","8","6","1") = "7"
    & skf18("1","6","5","1","8","7","1") = "7"
    & skf18("1","6","5","1","8","8","1") = "7"
    & skf18("1","6","5","1","8","9","1") = "8"
    & skf18("1","6","5","1","8","10","1") = "9"
    & skf18("1","6","5","1","9","1","1") = "8"
    & skf18("1","6","5","1","9","2","1") = "8"
    & skf18("1","6","5","1","9","3","1") = "8"
    & skf18("1","6","5","1","9","4","1") = "8"
    & skf18("1","6","5","1","9","5","1") = "8"
    & skf18("1","6","5","1","9","6","1") = "8"
    & skf18("1","6","5","1","9","7","1") = "8"
    & skf18("1","6","5","1","9","8","1") = "8"
    & skf18("1","6","5","1","9","9","1") = "8"
    & skf18("1","6","5","1","9","10","1") = "9"
    & skf18("1","6","5","1","10","1","1") = "9"
    & skf18("1","6","5","1","10","2","1") = "9"
    & skf18("1","6","5","1","10","3","1") = "9"
    & skf18("1","6","5","1","10","4","1") = "9"
    & skf18("1","6","5","1","10","5","1") = "9"
    & skf18("1","6","5","1","10","6","1") = "9"
    & skf18("1","6","5","1","10","7","1") = "9"
    & skf18("1","6","5","1","10","8","1") = "9"
    & skf18("1","6","5","1","10","9","1") = "9"
    & skf18("1","6","5","1","10","10","1") = "9"
    & skf18("1","6","5","2","1","1","1") = "5"
    & skf18("1","6","5","2","1","2","1") = "5"
    & skf18("1","6","5","2","1","3","1") = "5"
    & skf18("1","6","5","2","1","4","1") = "5"
    & skf18("1","6","5","2","1","5","1") = "5"
    & skf18("1","6","5","2","1","6","1") = "5"
    & skf18("1","6","5","2","1","7","1") = "6"
    & skf18("1","6","5","2","1","8","1") = "7"
    & skf18("1","6","5","2","1","9","1") = "8"
    & skf18("1","6","5","2","1","10","1") = "9"
    & skf18("1","6","5","2","2","1","1") = "5"
    & skf18("1","6","5","2","2","2","1") = "5"
    & skf18("1","6","5","2","2","3","1") = "5"
    & skf18("1","6","5","2","2","4","1") = "5"
    & skf18("1","6","5","2","2","5","1") = "5"
    & skf18("1","6","5","2","2","6","1") = "5"
    & skf18("1","6","5","2","2","7","1") = "6"
    & skf18("1","6","5","2","2","8","1") = "7"
    & skf18("1","6","5","2","2","9","1") = "8"
    & skf18("1","6","5","2","2","10","1") = "9"
    & skf18("1","6","5","2","3","1","1") = "5"
    & skf18("1","6","5","2","3","2","1") = "5"
    & skf18("1","6","5","2","3","3","1") = "5"
    & skf18("1","6","5","2","3","4","1") = "5"
    & skf18("1","6","5","2","3","5","1") = "5"
    & skf18("1","6","5","2","3","6","1") = "5"
    & skf18("1","6","5","2","3","7","1") = "6"
    & skf18("1","6","5","2","3","8","1") = "7"
    & skf18("1","6","5","2","3","9","1") = "8"
    & skf18("1","6","5","2","3","10","1") = "9"
    & skf18("1","6","5","2","4","1","1") = "5"
    & skf18("1","6","5","2","4","2","1") = "5"
    & skf18("1","6","5","2","4","3","1") = "5"
    & skf18("1","6","5","2","4","4","1") = "5"
    & skf18("1","6","5","2","4","5","1") = "5"
    & skf18("1","6","5","2","4","6","1") = "5"
    & skf18("1","6","5","2","4","7","1") = "6"
    & skf18("1","6","5","2","4","8","1") = "7"
    & skf18("1","6","5","2","4","9","1") = "8"
    & skf18("1","6","5","2","4","10","1") = "9"
    & skf18("1","6","5","2","5","1","1") = "5"
    & skf18("1","6","5","2","5","2","1") = "5"
    & skf18("1","6","5","2","5","3","1") = "5"
    & skf18("1","6","5","2","5","4","1") = "5"
    & skf18("1","6","5","2","5","5","1") = "5"
    & skf18("1","6","5","2","5","6","1") = "5"
    & skf18("1","6","5","2","5","7","1") = "6"
    & skf18("1","6","5","2","5","8","1") = "7"
    & skf18("1","6","5","2","5","9","1") = "8"
    & skf18("1","6","5","2","5","10","1") = "9"
    & skf18("1","6","5","2","6","1","1") = "5"
    & skf18("1","6","5","2","6","2","1") = "5"
    & skf18("1","6","5","2","6","3","1") = "5"
    & skf18("1","6","5","2","6","4","1") = "5"
    & skf18("1","6","5","2","6","5","1") = "5"
    & skf18("1","6","5","2","6","6","1") = "5"
    & skf18("1","6","5","2","6","7","1") = "6"
    & skf18("1","6","5","2","6","8","1") = "7"
    & skf18("1","6","5","2","6","9","1") = "8"
    & skf18("1","6","5","2","6","10","1") = "9"
    & skf18("1","6","5","2","7","1","1") = "6"
    & skf18("1","6","5","2","7","2","1") = "6"
    & skf18("1","6","5","2","7","3","1") = "6"
    & skf18("1","6","5","2","7","4","1") = "6"
    & skf18("1","6","5","2","7","5","1") = "6"
    & skf18("1","6","5","2","7","6","1") = "6"
    & skf18("1","6","5","2","7","7","1") = "6"
    & skf18("1","6","5","2","7","8","1") = "7"
    & skf18("1","6","5","2","7","9","1") = "8"
    & skf18("1","6","5","2","7","10","1") = "9"
    & skf18("1","6","5","2","8","1","1") = "7"
    & skf18("1","6","5","2","8","2","1") = "7"
    & skf18("1","6","5","2","8","3","1") = "7"
    & skf18("1","6","5","2","8","4","1") = "7"
    & skf18("1","6","5","2","8","5","1") = "7"
    & skf18("1","6","5","2","8","6","1") = "7"
    & skf18("1","6","5","2","8","7","1") = "7"
    & skf18("1","6","5","2","8","8","1") = "7"
    & skf18("1","6","5","2","8","9","1") = "8"
    & skf18("1","6","5","2","8","10","1") = "9"
    & skf18("1","6","5","2","9","1","1") = "8"
    & skf18("1","6","5","2","9","2","1") = "8"
    & skf18("1","6","5","2","9","3","1") = "8"
    & skf18("1","6","5","2","9","4","1") = "8"
    & skf18("1","6","5","2","9","5","1") = "8"
    & skf18("1","6","5","2","9","6","1") = "8"
    & skf18("1","6","5","2","9","7","1") = "8"
    & skf18("1","6","5","2","9","8","1") = "8"
    & skf18("1","6","5","2","9","9","1") = "8"
    & skf18("1","6","5","2","9","10","1") = "9"
    & skf18("1","6","5","2","10","1","1") = "9"
    & skf18("1","6","5","2","10","2","1") = "9"
    & skf18("1","6","5","2","10","3","1") = "9"
    & skf18("1","6","5","2","10","4","1") = "9"
    & skf18("1","6","5","2","10","5","1") = "9"
    & skf18("1","6","5","2","10","6","1") = "9"
    & skf18("1","6","5","2","10","7","1") = "9"
    & skf18("1","6","5","2","10","8","1") = "9"
    & skf18("1","6","5","2","10","9","1") = "9"
    & skf18("1","6","5","2","10","10","1") = "9"
    & skf18("1","6","5","3","1","1","1") = "5"
    & skf18("1","6","5","3","1","2","1") = "5"
    & skf18("1","6","5","3","1","3","1") = "5"
    & skf18("1","6","5","3","1","4","1") = "5"
    & skf18("1","6","5","3","1","5","1") = "5"
    & skf18("1","6","5","3","1","6","1") = "5"
    & skf18("1","6","5","3","1","7","1") = "6"
    & skf18("1","6","5","3","1","8","1") = "7"
    & skf18("1","6","5","3","1","9","1") = "8"
    & skf18("1","6","5","3","1","10","1") = "9"
    & skf18("1","6","5","3","2","1","1") = "5"
    & skf18("1","6","5","3","2","2","1") = "5"
    & skf18("1","6","5","3","2","3","1") = "5"
    & skf18("1","6","5","3","2","4","1") = "5"
    & skf18("1","6","5","3","2","5","1") = "5"
    & skf18("1","6","5","3","2","6","1") = "5"
    & skf18("1","6","5","3","2","7","1") = "6"
    & skf18("1","6","5","3","2","8","1") = "7"
    & skf18("1","6","5","3","2","9","1") = "8"
    & skf18("1","6","5","3","2","10","1") = "9"
    & skf18("1","6","5","3","3","1","1") = "5"
    & skf18("1","6","5","3","3","2","1") = "5"
    & skf18("1","6","5","3","3","3","1") = "5"
    & skf18("1","6","5","3","3","4","1") = "5"
    & skf18("1","6","5","3","3","5","1") = "5"
    & skf18("1","6","5","3","3","6","1") = "5"
    & skf18("1","6","5","3","3","7","1") = "6"
    & skf18("1","6","5","3","3","8","1") = "7"
    & skf18("1","6","5","3","3","9","1") = "8"
    & skf18("1","6","5","3","3","10","1") = "9"
    & skf18("1","6","5","3","4","1","1") = "5"
    & skf18("1","6","5","3","4","2","1") = "5"
    & skf18("1","6","5","3","4","3","1") = "5"
    & skf18("1","6","5","3","4","4","1") = "5"
    & skf18("1","6","5","3","4","5","1") = "5"
    & skf18("1","6","5","3","4","6","1") = "5"
    & skf18("1","6","5","3","4","7","1") = "6"
    & skf18("1","6","5","3","4","8","1") = "7"
    & skf18("1","6","5","3","4","9","1") = "8"
    & skf18("1","6","5","3","4","10","1") = "9"
    & skf18("1","6","5","3","5","1","1") = "5"
    & skf18("1","6","5","3","5","2","1") = "5"
    & skf18("1","6","5","3","5","3","1") = "5"
    & skf18("1","6","5","3","5","4","1") = "5"
    & skf18("1","6","5","3","5","5","1") = "5"
    & skf18("1","6","5","3","5","6","1") = "5"
    & skf18("1","6","5","3","5","7","1") = "6"
    & skf18("1","6","5","3","5","8","1") = "7"
    & skf18("1","6","5","3","5","9","1") = "8"
    & skf18("1","6","5","3","5","10","1") = "9"
    & skf18("1","6","5","3","6","1","1") = "5"
    & skf18("1","6","5","3","6","2","1") = "5"
    & skf18("1","6","5","3","6","3","1") = "5"
    & skf18("1","6","5","3","6","4","1") = "5"
    & skf18("1","6","5","3","6","5","1") = "5"
    & skf18("1","6","5","3","6","6","1") = "5"
    & skf18("1","6","5","3","6","7","1") = "6"
    & skf18("1","6","5","3","6","8","1") = "7"
    & skf18("1","6","5","3","6","9","1") = "8"
    & skf18("1","6","5","3","6","10","1") = "9"
    & skf18("1","6","5","3","7","1","1") = "6"
    & skf18("1","6","5","3","7","2","1") = "6"
    & skf18("1","6","5","3","7","3","1") = "6"
    & skf18("1","6","5","3","7","4","1") = "6"
    & skf18("1","6","5","3","7","5","1") = "6"
    & skf18("1","6","5","3","7","6","1") = "6"
    & skf18("1","6","5","3","7","7","1") = "6"
    & skf18("1","6","5","3","7","8","1") = "7"
    & skf18("1","6","5","3","7","9","1") = "8"
    & skf18("1","6","5","3","7","10","1") = "9"
    & skf18("1","6","5","3","8","1","1") = "7"
    & skf18("1","6","5","3","8","2","1") = "7"
    & skf18("1","6","5","3","8","3","1") = "7"
    & skf18("1","6","5","3","8","4","1") = "7"
    & skf18("1","6","5","3","8","5","1") = "7"
    & skf18("1","6","5","3","8","6","1") = "7"
    & skf18("1","6","5","3","8","7","1") = "7"
    & skf18("1","6","5","3","8","8","1") = "7"
    & skf18("1","6","5","3","8","9","1") = "8"
    & skf18("1","6","5","3","8","10","1") = "9"
    & skf18("1","6","5","3","9","1","1") = "8"
    & skf18("1","6","5","3","9","2","1") = "8"
    & skf18("1","6","5","3","9","3","1") = "8"
    & skf18("1","6","5","3","9","4","1") = "8"
    & skf18("1","6","5","3","9","5","1") = "8"
    & skf18("1","6","5","3","9","6","1") = "8"
    & skf18("1","6","5","3","9","7","1") = "8"
    & skf18("1","6","5","3","9","8","1") = "8"
    & skf18("1","6","5","3","9","9","1") = "8"
    & skf18("1","6","5","3","9","10","1") = "9"
    & skf18("1","6","5","3","10","1","1") = "9"
    & skf18("1","6","5","3","10","2","1") = "9"
    & skf18("1","6","5","3","10","3","1") = "9"
    & skf18("1","6","5","3","10","4","1") = "9"
    & skf18("1","6","5","3","10","5","1") = "9"
    & skf18("1","6","5","3","10","6","1") = "9"
    & skf18("1","6","5","3","10","7","1") = "9"
    & skf18("1","6","5","3","10","8","1") = "9"
    & skf18("1","6","5","3","10","9","1") = "9"
    & skf18("1","6","5","3","10","10","1") = "9"
    & skf18("1","6","5","4","1","1","1") = "5"
    & skf18("1","6","5","4","1","2","1") = "5"
    & skf18("1","6","5","4","1","3","1") = "5"
    & skf18("1","6","5","4","1","4","1") = "5"
    & skf18("1","6","5","4","1","5","1") = "5"
    & skf18("1","6","5","4","1","6","1") = "5"
    & skf18("1","6","5","4","1","7","1") = "6"
    & skf18("1","6","5","4","1","8","1") = "7"
    & skf18("1","6","5","4","1","9","1") = "8"
    & skf18("1","6","5","4","1","10","1") = "9"
    & skf18("1","6","5","4","2","1","1") = "5"
    & skf18("1","6","5","4","2","2","1") = "5"
    & skf18("1","6","5","4","2","3","1") = "5"
    & skf18("1","6","5","4","2","4","1") = "5"
    & skf18("1","6","5","4","2","5","1") = "5"
    & skf18("1","6","5","4","2","6","1") = "5"
    & skf18("1","6","5","4","2","7","1") = "6"
    & skf18("1","6","5","4","2","8","1") = "7"
    & skf18("1","6","5","4","2","9","1") = "8"
    & skf18("1","6","5","4","2","10","1") = "9"
    & skf18("1","6","5","4","3","1","1") = "5"
    & skf18("1","6","5","4","3","2","1") = "5"
    & skf18("1","6","5","4","3","3","1") = "5"
    & skf18("1","6","5","4","3","4","1") = "5"
    & skf18("1","6","5","4","3","5","1") = "5"
    & skf18("1","6","5","4","3","6","1") = "5"
    & skf18("1","6","5","4","3","7","1") = "6"
    & skf18("1","6","5","4","3","8","1") = "7"
    & skf18("1","6","5","4","3","9","1") = "8"
    & skf18("1","6","5","4","3","10","1") = "9"
    & skf18("1","6","5","4","4","1","1") = "5"
    & skf18("1","6","5","4","4","2","1") = "5"
    & skf18("1","6","5","4","4","3","1") = "5"
    & skf18("1","6","5","4","4","4","1") = "5"
    & skf18("1","6","5","4","4","5","1") = "5"
    & skf18("1","6","5","4","4","6","1") = "5"
    & skf18("1","6","5","4","4","7","1") = "6"
    & skf18("1","6","5","4","4","8","1") = "7"
    & skf18("1","6","5","4","4","9","1") = "8"
    & skf18("1","6","5","4","4","10","1") = "9"
    & skf18("1","6","5","4","5","1","1") = "5"
    & skf18("1","6","5","4","5","2","1") = "5"
    & skf18("1","6","5","4","5","3","1") = "5"
    & skf18("1","6","5","4","5","4","1") = "5"
    & skf18("1","6","5","4","5","5","1") = "5"
    & skf18("1","6","5","4","5","6","1") = "5"
    & skf18("1","6","5","4","5","7","1") = "6"
    & skf18("1","6","5","4","5","8","1") = "7"
    & skf18("1","6","5","4","5","9","1") = "8"
    & skf18("1","6","5","4","5","10","1") = "9"
    & skf18("1","6","5","4","6","1","1") = "5"
    & skf18("1","6","5","4","6","2","1") = "5"
    & skf18("1","6","5","4","6","3","1") = "5"
    & skf18("1","6","5","4","6","4","1") = "5"
    & skf18("1","6","5","4","6","5","1") = "5"
    & skf18("1","6","5","4","6","6","1") = "5"
    & skf18("1","6","5","4","6","7","1") = "6"
    & skf18("1","6","5","4","6","8","1") = "7"
    & skf18("1","6","5","4","6","9","1") = "8"
    & skf18("1","6","5","4","6","10","1") = "9"
    & skf18("1","6","5","4","7","1","1") = "6"
    & skf18("1","6","5","4","7","2","1") = "6"
    & skf18("1","6","5","4","7","3","1") = "6"
    & skf18("1","6","5","4","7","4","1") = "6"
    & skf18("1","6","5","4","7","5","1") = "6"
    & skf18("1","6","5","4","7","6","1") = "6"
    & skf18("1","6","5","4","7","7","1") = "6"
    & skf18("1","6","5","4","7","8","1") = "7"
    & skf18("1","6","5","4","7","9","1") = "8"
    & skf18("1","6","5","4","7","10","1") = "9"
    & skf18("1","6","5","4","8","1","1") = "7"
    & skf18("1","6","5","4","8","2","1") = "7"
    & skf18("1","6","5","4","8","3","1") = "7"
    & skf18("1","6","5","4","8","4","1") = "7"
    & skf18("1","6","5","4","8","5","1") = "7"
    & skf18("1","6","5","4","8","6","1") = "7"
    & skf18("1","6","5","4","8","7","1") = "7"
    & skf18("1","6","5","4","8","8","1") = "7"
    & skf18("1","6","5","4","8","9","1") = "8"
    & skf18("1","6","5","4","8","10","1") = "9"
    & skf18("1","6","5","4","9","1","1") = "8"
    & skf18("1","6","5","4","9","2","1") = "8"
    & skf18("1","6","5","4","9","3","1") = "8"
    & skf18("1","6","5","4","9","4","1") = "8"
    & skf18("1","6","5","4","9","5","1") = "8"
    & skf18("1","6","5","4","9","6","1") = "8"
    & skf18("1","6","5","4","9","7","1") = "8"
    & skf18("1","6","5","4","9","8","1") = "8"
    & skf18("1","6","5","4","9","9","1") = "8"
    & skf18("1","6","5","4","9","10","1") = "9"
    & skf18("1","6","5","4","10","1","1") = "9"
    & skf18("1","6","5","4","10","2","1") = "9"
    & skf18("1","6","5","4","10","3","1") = "9"
    & skf18("1","6","5","4","10","4","1") = "9"
    & skf18("1","6","5","4","10","5","1") = "9"
    & skf18("1","6","5","4","10","6","1") = "9"
    & skf18("1","6","5","4","10","7","1") = "9"
    & skf18("1","6","5","4","10","8","1") = "9"
    & skf18("1","6","5","4","10","9","1") = "9"
    & skf18("1","6","5","4","10","10","1") = "9"
    & skf18("1","6","5","5","1","1","1") = "5"
    & skf18("1","6","5","5","1","2","1") = "5"
    & skf18("1","6","5","5","1","3","1") = "5"
    & skf18("1","6","5","5","1","4","1") = "5"
    & skf18("1","6","5","5","1","5","1") = "5"
    & skf18("1","6","5","5","1","6","1") = "5"
    & skf18("1","6","5","5","1","7","1") = "6"
    & skf18("1","6","5","5","1","8","1") = "7"
    & skf18("1","6","5","5","1","9","1") = "8"
    & skf18("1","6","5","5","1","10","1") = "9"
    & skf18("1","6","5","5","2","1","1") = "5"
    & skf18("1","6","5","5","2","2","1") = "5"
    & skf18("1","6","5","5","2","3","1") = "5"
    & skf18("1","6","5","5","2","4","1") = "5"
    & skf18("1","6","5","5","2","5","1") = "5"
    & skf18("1","6","5","5","2","6","1") = "5"
    & skf18("1","6","5","5","2","7","1") = "6"
    & skf18("1","6","5","5","2","8","1") = "7"
    & skf18("1","6","5","5","2","9","1") = "8"
    & skf18("1","6","5","5","2","10","1") = "9"
    & skf18("1","6","5","5","3","1","1") = "5"
    & skf18("1","6","5","5","3","2","1") = "5"
    & skf18("1","6","5","5","3","3","1") = "5"
    & skf18("1","6","5","5","3","4","1") = "5"
    & skf18("1","6","5","5","3","5","1") = "5"
    & skf18("1","6","5","5","3","6","1") = "5"
    & skf18("1","6","5","5","3","7","1") = "6"
    & skf18("1","6","5","5","3","8","1") = "7"
    & skf18("1","6","5","5","3","9","1") = "8"
    & skf18("1","6","5","5","3","10","1") = "9"
    & skf18("1","6","5","5","4","1","1") = "5"
    & skf18("1","6","5","5","4","2","1") = "5"
    & skf18("1","6","5","5","4","3","1") = "5"
    & skf18("1","6","5","5","4","4","1") = "5"
    & skf18("1","6","5","5","4","5","1") = "5"
    & skf18("1","6","5","5","4","6","1") = "5"
    & skf18("1","6","5","5","4","7","1") = "6"
    & skf18("1","6","5","5","4","8","1") = "7"
    & skf18("1","6","5","5","4","9","1") = "8"
    & skf18("1","6","5","5","4","10","1") = "9"
    & skf18("1","6","5","5","5","1","1") = "5"
    & skf18("1","6","5","5","5","2","1") = "5"
    & skf18("1","6","5","5","5","3","1") = "5"
    & skf18("1","6","5","5","5","4","1") = "5"
    & skf18("1","6","5","5","5","5","1") = "5"
    & skf18("1","6","5","5","5","6","1") = "5"
    & skf18("1","6","5","5","5","7","1") = "6"
    & skf18("1","6","5","5","5","8","1") = "7"
    & skf18("1","6","5","5","5","9","1") = "8"
    & skf18("1","6","5","5","5","10","1") = "9"
    & skf18("1","6","5","5","6","1","1") = "5"
    & skf18("1","6","5","5","6","2","1") = "5"
    & skf18("1","6","5","5","6","3","1") = "5"
    & skf18("1","6","5","5","6","4","1") = "5"
    & skf18("1","6","5","5","6","5","1") = "5"
    & skf18("1","6","5","5","6","6","1") = "5"
    & skf18("1","6","5","5","6","7","1") = "6"
    & skf18("1","6","5","5","6","8","1") = "7"
    & skf18("1","6","5","5","6","9","1") = "8"
    & skf18("1","6","5","5","6","10","1") = "9"
    & skf18("1","6","5","5","7","1","1") = "6"
    & skf18("1","6","5","5","7","2","1") = "6"
    & skf18("1","6","5","5","7","3","1") = "6"
    & skf18("1","6","5","5","7","4","1") = "6"
    & skf18("1","6","5","5","7","5","1") = "6"
    & skf18("1","6","5","5","7","6","1") = "6"
    & skf18("1","6","5","5","7","7","1") = "6"
    & skf18("1","6","5","5","7","8","1") = "7"
    & skf18("1","6","5","5","7","9","1") = "8"
    & skf18("1","6","5","5","7","10","1") = "9"
    & skf18("1","6","5","5","8","1","1") = "7"
    & skf18("1","6","5","5","8","2","1") = "7"
    & skf18("1","6","5","5","8","3","1") = "7"
    & skf18("1","6","5","5","8","4","1") = "7"
    & skf18("1","6","5","5","8","5","1") = "7"
    & skf18("1","6","5","5","8","6","1") = "7"
    & skf18("1","6","5","5","8","7","1") = "7"
    & skf18("1","6","5","5","8","8","1") = "7"
    & skf18("1","6","5","5","8","9","1") = "8"
    & skf18("1","6","5","5","8","10","1") = "9"
    & skf18("1","6","5","5","9","1","1") = "8"
    & skf18("1","6","5","5","9","2","1") = "8"
    & skf18("1","6","5","5","9","3","1") = "8"
    & skf18("1","6","5","5","9","4","1") = "8"
    & skf18("1","6","5","5","9","5","1") = "8"
    & skf18("1","6","5","5","9","6","1") = "8"
    & skf18("1","6","5","5","9","7","1") = "8"
    & skf18("1","6","5","5","9","8","1") = "8"
    & skf18("1","6","5","5","9","9","1") = "8"
    & skf18("1","6","5","5","9","10","1") = "9"
    & skf18("1","6","5","5","10","1","1") = "9"
    & skf18("1","6","5","5","10","2","1") = "9"
    & skf18("1","6","5","5","10","3","1") = "9"
    & skf18("1","6","5","5","10","4","1") = "9"
    & skf18("1","6","5","5","10","5","1") = "9"
    & skf18("1","6","5","5","10","6","1") = "9"
    & skf18("1","6","5","5","10","7","1") = "9"
    & skf18("1","6","5","5","10","8","1") = "9"
    & skf18("1","6","5","5","10","9","1") = "9"
    & skf18("1","6","5","5","10","10","1") = "9"
    & skf18("1","6","5","6","1","1","1") = "5"
    & skf18("1","6","5","6","1","2","1") = "5"
    & skf18("1","6","5","6","1","3","1") = "5"
    & skf18("1","6","5","6","1","4","1") = "5"
    & skf18("1","6","5","6","1","5","1") = "5"
    & skf18("1","6","5","6","1","6","1") = "5"
    & skf18("1","6","5","6","1","7","1") = "6"
    & skf18("1","6","5","6","1","8","1") = "7"
    & skf18("1","6","5","6","1","9","1") = "8"
    & skf18("1","6","5","6","1","10","1") = "9"
    & skf18("1","6","5","6","2","1","1") = "5"
    & skf18("1","6","5","6","2","2","1") = "5"
    & skf18("1","6","5","6","2","3","1") = "5"
    & skf18("1","6","5","6","2","4","1") = "5"
    & skf18("1","6","5","6","2","5","1") = "5"
    & skf18("1","6","5","6","2","6","1") = "5"
    & skf18("1","6","5","6","2","7","1") = "6"
    & skf18("1","6","5","6","2","8","1") = "7"
    & skf18("1","6","5","6","2","9","1") = "8"
    & skf18("1","6","5","6","2","10","1") = "9"
    & skf18("1","6","5","6","3","1","1") = "5"
    & skf18("1","6","5","6","3","2","1") = "5"
    & skf18("1","6","5","6","3","3","1") = "5"
    & skf18("1","6","5","6","3","4","1") = "5"
    & skf18("1","6","5","6","3","5","1") = "5"
    & skf18("1","6","5","6","3","6","1") = "5"
    & skf18("1","6","5","6","3","7","1") = "6"
    & skf18("1","6","5","6","3","8","1") = "7"
    & skf18("1","6","5","6","3","9","1") = "8"
    & skf18("1","6","5","6","3","10","1") = "9"
    & skf18("1","6","5","6","4","1","1") = "5"
    & skf18("1","6","5","6","4","2","1") = "5"
    & skf18("1","6","5","6","4","3","1") = "5"
    & skf18("1","6","5","6","4","4","1") = "5"
    & skf18("1","6","5","6","4","5","1") = "5"
    & skf18("1","6","5","6","4","6","1") = "5"
    & skf18("1","6","5","6","4","7","1") = "6"
    & skf18("1","6","5","6","4","8","1") = "7"
    & skf18("1","6","5","6","4","9","1") = "8"
    & skf18("1","6","5","6","4","10","1") = "9"
    & skf18("1","6","5","6","5","1","1") = "5"
    & skf18("1","6","5","6","5","2","1") = "5"
    & skf18("1","6","5","6","5","3","1") = "5"
    & skf18("1","6","5","6","5","4","1") = "5"
    & skf18("1","6","5","6","5","5","1") = "5"
    & skf18("1","6","5","6","5","6","1") = "5"
    & skf18("1","6","5","6","5","7","1") = "6"
    & skf18("1","6","5","6","5","8","1") = "7"
    & skf18("1","6","5","6","5","9","1") = "8"
    & skf18("1","6","5","6","5","10","1") = "9"
    & skf18("1","6","5","6","6","1","1") = "5"
    & skf18("1","6","5","6","6","2","1") = "5"
    & skf18("1","6","5","6","6","3","1") = "5"
    & skf18("1","6","5","6","6","4","1") = "5"
    & skf18("1","6","5","6","6","5","1") = "5"
    & skf18("1","6","5","6","6","6","1") = "5"
    & skf18("1","6","5","6","6","7","1") = "6"
    & skf18("1","6","5","6","6","8","1") = "7"
    & skf18("1","6","5","6","6","9","1") = "8"
    & skf18("1","6","5","6","6","10","1") = "9"
    & skf18("1","6","5","6","7","1","1") = "6"
    & skf18("1","6","5","6","7","2","1") = "6"
    & skf18("1","6","5","6","7","3","1") = "6"
    & skf18("1","6","5","6","7","4","1") = "6"
    & skf18("1","6","5","6","7","5","1") = "6"
    & skf18("1","6","5","6","7","6","1") = "6"
    & skf18("1","6","5","6","7","7","1") = "6"
    & skf18("1","6","5","6","7","8","1") = "7"
    & skf18("1","6","5","6","7","9","1") = "8"
    & skf18("1","6","5","6","7","10","1") = "9"
    & skf18("1","6","5","6","8","1","1") = "7"
    & skf18("1","6","5","6","8","2","1") = "7"
    & skf18("1","6","5","6","8","3","1") = "7"
    & skf18("1","6","5","6","8","4","1") = "7"
    & skf18("1","6","5","6","8","5","1") = "7"
    & skf18("1","6","5","6","8","6","1") = "7"
    & skf18("1","6","5","6","8","7","1") = "7"
    & skf18("1","6","5","6","8","8","1") = "7"
    & skf18("1","6","5","6","8","9","1") = "8"
    & skf18("1","6","5","6","8","10","1") = "9"
    & skf18("1","6","5","6","9","1","1") = "8"
    & skf18("1","6","5","6","9","2","1") = "8"
    & skf18("1","6","5","6","9","3","1") = "8"
    & skf18("1","6","5","6","9","4","1") = "8"
    & skf18("1","6","5","6","9","5","1") = "8"
    & skf18("1","6","5","6","9","6","1") = "8"
    & skf18("1","6","5","6","9","7","1") = "8"
    & skf18("1","6","5","6","9","8","1") = "8"
    & skf18("1","6","5","6","9","9","1") = "8"
    & skf18("1","6","5","6","9","10","1") = "9"
    & skf18("1","6","5","6","10","1","1") = "9"
    & skf18("1","6","5","6","10","2","1") = "9"
    & skf18("1","6","5","6","10","3","1") = "9"
    & skf18("1","6","5","6","10","4","1") = "9"
    & skf18("1","6","5","6","10","5","1") = "9"
    & skf18("1","6","5","6","10","6","1") = "9"
    & skf18("1","6","5","6","10","7","1") = "9"
    & skf18("1","6","5","6","10","8","1") = "9"
    & skf18("1","6","5","6","10","9","1") = "9"
    & skf18("1","6","5","6","10","10","1") = "9"
    & skf18("1","6","5","7","1","1","1") = "6"
    & skf18("1","6","5","7","1","2","1") = "6"
    & skf18("1","6","5","7","1","3","1") = "6"
    & skf18("1","6","5","7","1","4","1") = "6"
    & skf18("1","6","5","7","1","5","1") = "6"
    & skf18("1","6","5","7","1","6","1") = "6"
    & skf18("1","6","5","7","1","7","1") = "6"
    & skf18("1","6","5","7","1","8","1") = "7"
    & skf18("1","6","5","7","1","9","1") = "8"
    & skf18("1","6","5","7","1","10","1") = "9"
    & skf18("1","6","5","7","2","1","1") = "6"
    & skf18("1","6","5","7","2","2","1") = "6"
    & skf18("1","6","5","7","2","3","1") = "6"
    & skf18("1","6","5","7","2","4","1") = "6"
    & skf18("1","6","5","7","2","5","1") = "6"
    & skf18("1","6","5","7","2","6","1") = "6"
    & skf18("1","6","5","7","2","7","1") = "6"
    & skf18("1","6","5","7","2","8","1") = "7"
    & skf18("1","6","5","7","2","9","1") = "8"
    & skf18("1","6","5","7","2","10","1") = "9"
    & skf18("1","6","5","7","3","1","1") = "6"
    & skf18("1","6","5","7","3","2","1") = "6"
    & skf18("1","6","5","7","3","3","1") = "6"
    & skf18("1","6","5","7","3","4","1") = "6"
    & skf18("1","6","5","7","3","5","1") = "6"
    & skf18("1","6","5","7","3","6","1") = "6"
    & skf18("1","6","5","7","3","7","1") = "6"
    & skf18("1","6","5","7","3","8","1") = "7"
    & skf18("1","6","5","7","3","9","1") = "8"
    & skf18("1","6","5","7","3","10","1") = "9"
    & skf18("1","6","5","7","4","1","1") = "6"
    & skf18("1","6","5","7","4","2","1") = "6"
    & skf18("1","6","5","7","4","3","1") = "6"
    & skf18("1","6","5","7","4","4","1") = "6"
    & skf18("1","6","5","7","4","5","1") = "6"
    & skf18("1","6","5","7","4","6","1") = "6"
    & skf18("1","6","5","7","4","7","1") = "6"
    & skf18("1","6","5","7","4","8","1") = "7"
    & skf18("1","6","5","7","4","9","1") = "8"
    & skf18("1","6","5","7","4","10","1") = "9"
    & skf18("1","6","5","7","5","1","1") = "6"
    & skf18("1","6","5","7","5","2","1") = "6"
    & skf18("1","6","5","7","5","3","1") = "6"
    & skf18("1","6","5","7","5","4","1") = "6"
    & skf18("1","6","5","7","5","5","1") = "6"
    & skf18("1","6","5","7","5","6","1") = "6"
    & skf18("1","6","5","7","5","7","1") = "6"
    & skf18("1","6","5","7","5","8","1") = "7"
    & skf18("1","6","5","7","5","9","1") = "8"
    & skf18("1","6","5","7","5","10","1") = "9"
    & skf18("1","6","5","7","6","1","1") = "6"
    & skf18("1","6","5","7","6","2","1") = "6"
    & skf18("1","6","5","7","6","3","1") = "6"
    & skf18("1","6","5","7","6","4","1") = "6"
    & skf18("1","6","5","7","6","5","1") = "6"
    & skf18("1","6","5","7","6","6","1") = "6"
    & skf18("1","6","5","7","6","7","1") = "6"
    & skf18("1","6","5","7","6","8","1") = "7"
    & skf18("1","6","5","7","6","9","1") = "8"
    & skf18("1","6","5","7","6","10","1") = "9"
    & skf18("1","6","5","7","7","1","1") = "6"
    & skf18("1","6","5","7","7","2","1") = "6"
    & skf18("1","6","5","7","7","3","1") = "6"
    & skf18("1","6","5","7","7","4","1") = "6"
    & skf18("1","6","5","7","7","5","1") = "6"
    & skf18("1","6","5","7","7","6","1") = "6"
    & skf18("1","6","5","7","7","7","1") = "6"
    & skf18("1","6","5","7","7","8","1") = "7"
    & skf18("1","6","5","7","7","9","1") = "8"
    & skf18("1","6","5","7","7","10","1") = "9"
    & skf18("1","6","5","7","8","1","1") = "7"
    & skf18("1","6","5","7","8","2","1") = "7"
    & skf18("1","6","5","7","8","3","1") = "7"
    & skf18("1","6","5","7","8","4","1") = "7"
    & skf18("1","6","5","7","8","5","1") = "7"
    & skf18("1","6","5","7","8","6","1") = "7"
    & skf18("1","6","5","7","8","7","1") = "7"
    & skf18("1","6","5","7","8","8","1") = "7"
    & skf18("1","6","5","7","8","9","1") = "8"
    & skf18("1","6","5","7","8","10","1") = "9"
    & skf18("1","6","5","7","9","1","1") = "8"
    & skf18("1","6","5","7","9","2","1") = "8"
    & skf18("1","6","5","7","9","3","1") = "8"
    & skf18("1","6","5","7","9","4","1") = "8"
    & skf18("1","6","5","7","9","5","1") = "8"
    & skf18("1","6","5","7","9","6","1") = "8"
    & skf18("1","6","5","7","9","7","1") = "8"
    & skf18("1","6","5","7","9","8","1") = "8"
    & skf18("1","6","5","7","9","9","1") = "8"
    & skf18("1","6","5","7","9","10","1") = "9"
    & skf18("1","6","5","7","10","1","1") = "9"
    & skf18("1","6","5","7","10","2","1") = "9"
    & skf18("1","6","5","7","10","3","1") = "9"
    & skf18("1","6","5","7","10","4","1") = "9"
    & skf18("1","6","5","7","10","5","1") = "9"
    & skf18("1","6","5","7","10","6","1") = "9"
    & skf18("1","6","5","7","10","7","1") = "9"
    & skf18("1","6","5","7","10","8","1") = "9"
    & skf18("1","6","5","7","10","9","1") = "9"
    & skf18("1","6","5","7","10","10","1") = "9"
    & skf18("1","6","5","8","1","1","1") = "7"
    & skf18("1","6","5","8","1","2","1") = "7"
    & skf18("1","6","5","8","1","3","1") = "7"
    & skf18("1","6","5","8","1","4","1") = "7"
    & skf18("1","6","5","8","1","5","1") = "7"
    & skf18("1","6","5","8","1","6","1") = "7"
    & skf18("1","6","5","8","1","7","1") = "7"
    & skf18("1","6","5","8","1","8","1") = "7"
    & skf18("1","6","5","8","1","9","1") = "8"
    & skf18("1","6","5","8","1","10","1") = "9"
    & skf18("1","6","5","8","2","1","1") = "7"
    & skf18("1","6","5","8","2","2","1") = "7"
    & skf18("1","6","5","8","2","3","1") = "7"
    & skf18("1","6","5","8","2","4","1") = "7"
    & skf18("1","6","5","8","2","5","1") = "7"
    & skf18("1","6","5","8","2","6","1") = "7"
    & skf18("1","6","5","8","2","7","1") = "7"
    & skf18("1","6","5","8","2","8","1") = "7"
    & skf18("1","6","5","8","2","9","1") = "8"
    & skf18("1","6","5","8","2","10","1") = "9"
    & skf18("1","6","5","8","3","1","1") = "7"
    & skf18("1","6","5","8","3","2","1") = "7"
    & skf18("1","6","5","8","3","3","1") = "7"
    & skf18("1","6","5","8","3","4","1") = "7"
    & skf18("1","6","5","8","3","5","1") = "7"
    & skf18("1","6","5","8","3","6","1") = "7"
    & skf18("1","6","5","8","3","7","1") = "7"
    & skf18("1","6","5","8","3","8","1") = "7"
    & skf18("1","6","5","8","3","9","1") = "8"
    & skf18("1","6","5","8","3","10","1") = "9"
    & skf18("1","6","5","8","4","1","1") = "7"
    & skf18("1","6","5","8","4","2","1") = "7"
    & skf18("1","6","5","8","4","3","1") = "7"
    & skf18("1","6","5","8","4","4","1") = "7"
    & skf18("1","6","5","8","4","5","1") = "7"
    & skf18("1","6","5","8","4","6","1") = "7"
    & skf18("1","6","5","8","4","7","1") = "7"
    & skf18("1","6","5","8","4","8","1") = "7"
    & skf18("1","6","5","8","4","9","1") = "8"
    & skf18("1","6","5","8","4","10","1") = "9"
    & skf18("1","6","5","8","5","1","1") = "7"
    & skf18("1","6","5","8","5","2","1") = "7"
    & skf18("1","6","5","8","5","3","1") = "7"
    & skf18("1","6","5","8","5","4","1") = "7"
    & skf18("1","6","5","8","5","5","1") = "7"
    & skf18("1","6","5","8","5","6","1") = "7"
    & skf18("1","6","5","8","5","7","1") = "7"
    & skf18("1","6","5","8","5","8","1") = "7"
    & skf18("1","6","5","8","5","9","1") = "8"
    & skf18("1","6","5","8","5","10","1") = "9"
    & skf18("1","6","5","8","6","1","1") = "7"
    & skf18("1","6","5","8","6","2","1") = "7"
    & skf18("1","6","5","8","6","3","1") = "7"
    & skf18("1","6","5","8","6","4","1") = "7"
    & skf18("1","6","5","8","6","5","1") = "7"
    & skf18("1","6","5","8","6","6","1") = "7"
    & skf18("1","6","5","8","6","7","1") = "7"
    & skf18("1","6","5","8","6","8","1") = "7"
    & skf18("1","6","5","8","6","9","1") = "8"
    & skf18("1","6","5","8","6","10","1") = "9"
    & skf18("1","6","5","8","7","1","1") = "7"
    & skf18("1","6","5","8","7","2","1") = "7"
    & skf18("1","6","5","8","7","3","1") = "7"
    & skf18("1","6","5","8","7","4","1") = "7"
    & skf18("1","6","5","8","7","5","1") = "7"
    & skf18("1","6","5","8","7","6","1") = "7"
    & skf18("1","6","5","8","7","7","1") = "7"
    & skf18("1","6","5","8","7","8","1") = "7"
    & skf18("1","6","5","8","7","9","1") = "8"
    & skf18("1","6","5","8","7","10","1") = "9"
    & skf18("1","6","5","8","8","1","1") = "7"
    & skf18("1","6","5","8","8","2","1") = "7"
    & skf18("1","6","5","8","8","3","1") = "7"
    & skf18("1","6","5","8","8","4","1") = "7"
    & skf18("1","6","5","8","8","5","1") = "7"
    & skf18("1","6","5","8","8","6","1") = "7"
    & skf18("1","6","5","8","8","7","1") = "7"
    & skf18("1","6","5","8","8","8","1") = "7"
    & skf18("1","6","5","8","8","9","1") = "8"
    & skf18("1","6","5","8","8","10","1") = "9"
    & skf18("1","6","5","8","9","1","1") = "8"
    & skf18("1","6","5","8","9","2","1") = "8"
    & skf18("1","6","5","8","9","3","1") = "8"
    & skf18("1","6","5","8","9","4","1") = "8"
    & skf18("1","6","5","8","9","5","1") = "8"
    & skf18("1","6","5","8","9","6","1") = "8"
    & skf18("1","6","5","8","9","7","1") = "8"
    & skf18("1","6","5","8","9","8","1") = "8"
    & skf18("1","6","5","8","9","9","1") = "8"
    & skf18("1","6","5","8","9","10","1") = "9"
    & skf18("1","6","5","8","10","1","1") = "9"
    & skf18("1","6","5","8","10","2","1") = "9"
    & skf18("1","6","5","8","10","3","1") = "9"
    & skf18("1","6","5","8","10","4","1") = "9"
    & skf18("1","6","5","8","10","5","1") = "9"
    & skf18("1","6","5","8","10","6","1") = "9"
    & skf18("1","6","5","8","10","7","1") = "9"
    & skf18("1","6","5","8","10","8","1") = "9"
    & skf18("1","6","5","8","10","9","1") = "9"
    & skf18("1","6","5","8","10","10","1") = "9"
    & skf18("1","6","5","9","1","1","1") = "8"
    & skf18("1","6","5","9","1","2","1") = "8"
    & skf18("1","6","5","9","1","3","1") = "8"
    & skf18("1","6","5","9","1","4","1") = "8"
    & skf18("1","6","5","9","1","5","1") = "8"
    & skf18("1","6","5","9","1","6","1") = "8"
    & skf18("1","6","5","9","1","7","1") = "8"
    & skf18("1","6","5","9","1","8","1") = "8"
    & skf18("1","6","5","9","1","9","1") = "8"
    & skf18("1","6","5","9","1","10","1") = "9"
    & skf18("1","6","5","9","2","1","1") = "8"
    & skf18("1","6","5","9","2","2","1") = "8"
    & skf18("1","6","5","9","2","3","1") = "8"
    & skf18("1","6","5","9","2","4","1") = "8"
    & skf18("1","6","5","9","2","5","1") = "8"
    & skf18("1","6","5","9","2","6","1") = "8"
    & skf18("1","6","5","9","2","7","1") = "8"
    & skf18("1","6","5","9","2","8","1") = "8"
    & skf18("1","6","5","9","2","9","1") = "8"
    & skf18("1","6","5","9","2","10","1") = "9"
    & skf18("1","6","5","9","3","1","1") = "8"
    & skf18("1","6","5","9","3","2","1") = "8"
    & skf18("1","6","5","9","3","3","1") = "8"
    & skf18("1","6","5","9","3","4","1") = "8"
    & skf18("1","6","5","9","3","5","1") = "8"
    & skf18("1","6","5","9","3","6","1") = "8"
    & skf18("1","6","5","9","3","7","1") = "8"
    & skf18("1","6","5","9","3","8","1") = "8"
    & skf18("1","6","5","9","3","9","1") = "8"
    & skf18("1","6","5","9","3","10","1") = "9"
    & skf18("1","6","5","9","4","1","1") = "8"
    & skf18("1","6","5","9","4","2","1") = "8"
    & skf18("1","6","5","9","4","3","1") = "8"
    & skf18("1","6","5","9","4","4","1") = "8"
    & skf18("1","6","5","9","4","5","1") = "8"
    & skf18("1","6","5","9","4","6","1") = "8"
    & skf18("1","6","5","9","4","7","1") = "8"
    & skf18("1","6","5","9","4","8","1") = "8"
    & skf18("1","6","5","9","4","9","1") = "8"
    & skf18("1","6","5","9","4","10","1") = "9"
    & skf18("1","6","5","9","5","1","1") = "8"
    & skf18("1","6","5","9","5","2","1") = "8"
    & skf18("1","6","5","9","5","3","1") = "8"
    & skf18("1","6","5","9","5","4","1") = "8"
    & skf18("1","6","5","9","5","5","1") = "8"
    & skf18("1","6","5","9","5","6","1") = "8"
    & skf18("1","6","5","9","5","7","1") = "8"
    & skf18("1","6","5","9","5","8","1") = "8"
    & skf18("1","6","5","9","5","9","1") = "8"
    & skf18("1","6","5","9","5","10","1") = "9"
    & skf18("1","6","5","9","6","1","1") = "8"
    & skf18("1","6","5","9","6","2","1") = "8"
    & skf18("1","6","5","9","6","3","1") = "8"
    & skf18("1","6","5","9","6","4","1") = "8"
    & skf18("1","6","5","9","6","5","1") = "8"
    & skf18("1","6","5","9","6","6","1") = "8"
    & skf18("1","6","5","9","6","7","1") = "8"
    & skf18("1","6","5","9","6","8","1") = "8"
    & skf18("1","6","5","9","6","9","1") = "8"
    & skf18("1","6","5","9","6","10","1") = "9"
    & skf18("1","6","5","9","7","1","1") = "8"
    & skf18("1","6","5","9","7","2","1") = "8"
    & skf18("1","6","5","9","7","3","1") = "8"
    & skf18("1","6","5","9","7","4","1") = "8"
    & skf18("1","6","5","9","7","5","1") = "8"
    & skf18("1","6","5","9","7","6","1") = "8"
    & skf18("1","6","5","9","7","7","1") = "8"
    & skf18("1","6","5","9","7","8","1") = "8"
    & skf18("1","6","5","9","7","9","1") = "8"
    & skf18("1","6","5","9","7","10","1") = "9"
    & skf18("1","6","5","9","8","1","1") = "8"
    & skf18("1","6","5","9","8","2","1") = "8"
    & skf18("1","6","5","9","8","3","1") = "8"
    & skf18("1","6","5","9","8","4","1") = "8"
    & skf18("1","6","5","9","8","5","1") = "8"
    & skf18("1","6","5","9","8","6","1") = "8"
    & skf18("1","6","5","9","8","7","1") = "8"
    & skf18("1","6","5","9","8","8","1") = "8"
    & skf18("1","6","5","9","8","9","1") = "8"
    & skf18("1","6","5","9","8","10","1") = "9"
    & skf18("1","6","5","9","9","1","1") = "8"
    & skf18("1","6","5","9","9","2","1") = "8"
    & skf18("1","6","5","9","9","3","1") = "8"
    & skf18("1","6","5","9","9","4","1") = "8"
    & skf18("1","6","5","9","9","5","1") = "8"
    & skf18("1","6","5","9","9","6","1") = "8"
    & skf18("1","6","5","9","9","7","1") = "8"
    & skf18("1","6","5","9","9","8","1") = "8"
    & skf18("1","6","5","9","9","9","1") = "8"
    & skf18("1","6","5","9","9","10","1") = "9"
    & skf18("1","6","5","9","10","1","1") = "9"
    & skf18("1","6","5","9","10","2","1") = "9"
    & skf18("1","6","5","9","10","3","1") = "9"
    & skf18("1","6","5","9","10","4","1") = "9"
    & skf18("1","6","5","9","10","5","1") = "9"
    & skf18("1","6","5","9","10","6","1") = "9"
    & skf18("1","6","5","9","10","7","1") = "9"
    & skf18("1","6","5","9","10","8","1") = "9"
    & skf18("1","6","5","9","10","9","1") = "9"
    & skf18("1","6","5","9","10","10","1") = "9"
    & skf18("1","6","5","10","1","1","1") = "9"
    & skf18("1","6","5","10","1","2","1") = "9"
    & skf18("1","6","5","10","1","3","1") = "9"
    & skf18("1","6","5","10","1","4","1") = "9"
    & skf18("1","6","5","10","1","5","1") = "9"
    & skf18("1","6","5","10","1","6","1") = "9"
    & skf18("1","6","5","10","1","7","1") = "9"
    & skf18("1","6","5","10","1","8","1") = "9"
    & skf18("1","6","5","10","1","9","1") = "9"
    & skf18("1","6","5","10","1","10","1") = "9"
    & skf18("1","6","5","10","2","1","1") = "9"
    & skf18("1","6","5","10","2","2","1") = "9"
    & skf18("1","6","5","10","2","3","1") = "9"
    & skf18("1","6","5","10","2","4","1") = "9"
    & skf18("1","6","5","10","2","5","1") = "9"
    & skf18("1","6","5","10","2","6","1") = "9"
    & skf18("1","6","5","10","2","7","1") = "9"
    & skf18("1","6","5","10","2","8","1") = "9"
    & skf18("1","6","5","10","2","9","1") = "9"
    & skf18("1","6","5","10","2","10","1") = "9"
    & skf18("1","6","5","10","3","1","1") = "9"
    & skf18("1","6","5","10","3","2","1") = "9"
    & skf18("1","6","5","10","3","3","1") = "9"
    & skf18("1","6","5","10","3","4","1") = "9"
    & skf18("1","6","5","10","3","5","1") = "9"
    & skf18("1","6","5","10","3","6","1") = "9"
    & skf18("1","6","5","10","3","7","1") = "9"
    & skf18("1","6","5","10","3","8","1") = "9"
    & skf18("1","6","5","10","3","9","1") = "9"
    & skf18("1","6","5","10","3","10","1") = "9"
    & skf18("1","6","5","10","4","1","1") = "9"
    & skf18("1","6","5","10","4","2","1") = "9"
    & skf18("1","6","5","10","4","3","1") = "9"
    & skf18("1","6","5","10","4","4","1") = "9"
    & skf18("1","6","5","10","4","5","1") = "9"
    & skf18("1","6","5","10","4","6","1") = "9"
    & skf18("1","6","5","10","4","7","1") = "9"
    & skf18("1","6","5","10","4","8","1") = "9"
    & skf18("1","6","5","10","4","9","1") = "9"
    & skf18("1","6","5","10","4","10","1") = "9"
    & skf18("1","6","5","10","5","1","1") = "9"
    & skf18("1","6","5","10","5","2","1") = "9"
    & skf18("1","6","5","10","5","3","1") = "9"
    & skf18("1","6","5","10","5","4","1") = "9"
    & skf18("1","6","5","10","5","5","1") = "9"
    & skf18("1","6","5","10","5","6","1") = "9"
    & skf18("1","6","5","10","5","7","1") = "9"
    & skf18("1","6","5","10","5","8","1") = "9"
    & skf18("1","6","5","10","5","9","1") = "9"
    & skf18("1","6","5","10","5","10","1") = "9"
    & skf18("1","6","5","10","6","1","1") = "9"
    & skf18("1","6","5","10","6","2","1") = "9"
    & skf18("1","6","5","10","6","3","1") = "9"
    & skf18("1","6","5","10","6","4","1") = "9"
    & skf18("1","6","5","10","6","5","1") = "9"
    & skf18("1","6","5","10","6","6","1") = "9"
    & skf18("1","6","5","10","6","7","1") = "9"
    & skf18("1","6","5","10","6","8","1") = "9"
    & skf18("1","6","5","10","6","9","1") = "9"
    & skf18("1","6","5","10","6","10","1") = "9"
    & skf18("1","6","5","10","7","1","1") = "9"
    & skf18("1","6","5","10","7","2","1") = "9"
    & skf18("1","6","5","10","7","3","1") = "9"
    & skf18("1","6","5","10","7","4","1") = "9"
    & skf18("1","6","5","10","7","5","1") = "9"
    & skf18("1","6","5","10","7","6","1") = "9"
    & skf18("1","6","5","10","7","7","1") = "9"
    & skf18("1","6","5","10","7","8","1") = "9"
    & skf18("1","6","5","10","7","9","1") = "9"
    & skf18("1","6","5","10","7","10","1") = "9"
    & skf18("1","6","5","10","8","1","1") = "9"
    & skf18("1","6","5","10","8","2","1") = "9"
    & skf18("1","6","5","10","8","3","1") = "9"
    & skf18("1","6","5","10","8","4","1") = "9"
    & skf18("1","6","5","10","8","5","1") = "9"
    & skf18("1","6","5","10","8","6","1") = "9"
    & skf18("1","6","5","10","8","7","1") = "9"
    & skf18("1","6","5","10","8","8","1") = "9"
    & skf18("1","6","5","10","8","9","1") = "9"
    & skf18("1","6","5","10","8","10","1") = "9"
    & skf18("1","6","5","10","9","1","1") = "9"
    & skf18("1","6","5","10","9","2","1") = "9"
    & skf18("1","6","5","10","9","3","1") = "9"
    & skf18("1","6","5","10","9","4","1") = "9"
    & skf18("1","6","5","10","9","5","1") = "9"
    & skf18("1","6","5","10","9","6","1") = "9"
    & skf18("1","6","5","10","9","7","1") = "9"
    & skf18("1","6","5","10","9","8","1") = "9"
    & skf18("1","6","5","10","9","9","1") = "9"
    & skf18("1","6","5","10","9","10","1") = "9"
    & skf18("1","6","5","10","10","1","1") = "9"
    & skf18("1","6","5","10","10","2","1") = "9"
    & skf18("1","6","5","10","10","3","1") = "9"
    & skf18("1","6","5","10","10","4","1") = "9"
    & skf18("1","6","5","10","10","5","1") = "9"
    & skf18("1","6","5","10","10","6","1") = "9"
    & skf18("1","6","5","10","10","7","1") = "9"
    & skf18("1","6","5","10","10","8","1") = "9"
    & skf18("1","6","5","10","10","9","1") = "9"
    & skf18("1","6","5","10","10","10","1") = "9"
    & skf18("1","6","6","1","1","1","1") = "5"
    & skf18("1","6","6","1","1","2","1") = "5"
    & skf18("1","6","6","1","1","3","1") = "5"
    & skf18("1","6","6","1","1","4","1") = "5"
    & skf18("1","6","6","1","1","5","1") = "5"
    & skf18("1","6","6","1","1","6","1") = "5"
    & skf18("1","6","6","1","1","7","1") = "6"
    & skf18("1","6","6","1","1","8","1") = "7"
    & skf18("1","6","6","1","1","9","1") = "8"
    & skf18("1","6","6","1","1","10","1") = "9"
    & skf18("1","6","6","1","2","1","1") = "5"
    & skf18("1","6","6","1","2","2","1") = "5"
    & skf18("1","6","6","1","2","3","1") = "5"
    & skf18("1","6","6","1","2","4","1") = "5"
    & skf18("1","6","6","1","2","5","1") = "5"
    & skf18("1","6","6","1","2","6","1") = "5"
    & skf18("1","6","6","1","2","7","1") = "6"
    & skf18("1","6","6","1","2","8","1") = "7"
    & skf18("1","6","6","1","2","9","1") = "8"
    & skf18("1","6","6","1","2","10","1") = "9"
    & skf18("1","6","6","1","3","1","1") = "5"
    & skf18("1","6","6","1","3","2","1") = "5"
    & skf18("1","6","6","1","3","3","1") = "5"
    & skf18("1","6","6","1","3","4","1") = "5"
    & skf18("1","6","6","1","3","5","1") = "5"
    & skf18("1","6","6","1","3","6","1") = "5"
    & skf18("1","6","6","1","3","7","1") = "6"
    & skf18("1","6","6","1","3","8","1") = "7"
    & skf18("1","6","6","1","3","9","1") = "8"
    & skf18("1","6","6","1","3","10","1") = "9"
    & skf18("1","6","6","1","4","1","1") = "5"
    & skf18("1","6","6","1","4","2","1") = "5"
    & skf18("1","6","6","1","4","3","1") = "5"
    & skf18("1","6","6","1","4","4","1") = "5"
    & skf18("1","6","6","1","4","5","1") = "5"
    & skf18("1","6","6","1","4","6","1") = "5"
    & skf18("1","6","6","1","4","7","1") = "6"
    & skf18("1","6","6","1","4","8","1") = "7"
    & skf18("1","6","6","1","4","9","1") = "8"
    & skf18("1","6","6","1","4","10","1") = "9"
    & skf18("1","6","6","1","5","1","1") = "5"
    & skf18("1","6","6","1","5","2","1") = "5"
    & skf18("1","6","6","1","5","3","1") = "5"
    & skf18("1","6","6","1","5","4","1") = "5"
    & skf18("1","6","6","1","5","5","1") = "5"
    & skf18("1","6","6","1","5","6","1") = "5"
    & skf18("1","6","6","1","5","7","1") = "6"
    & skf18("1","6","6","1","5","8","1") = "7"
    & skf18("1","6","6","1","5","9","1") = "8"
    & skf18("1","6","6","1","5","10","1") = "9"
    & skf18("1","6","6","1","6","1","1") = "5"
    & skf18("1","6","6","1","6","2","1") = "5"
    & skf18("1","6","6","1","6","3","1") = "5"
    & skf18("1","6","6","1","6","4","1") = "5"
    & skf18("1","6","6","1","6","5","1") = "5"
    & skf18("1","6","6","1","6","6","1") = "5"
    & skf18("1","6","6","1","6","7","1") = "6"
    & skf18("1","6","6","1","6","8","1") = "7"
    & skf18("1","6","6","1","6","9","1") = "8"
    & skf18("1","6","6","1","6","10","1") = "9"
    & skf18("1","6","6","1","7","1","1") = "6"
    & skf18("1","6","6","1","7","2","1") = "6"
    & skf18("1","6","6","1","7","3","1") = "6"
    & skf18("1","6","6","1","7","4","1") = "6"
    & skf18("1","6","6","1","7","5","1") = "6"
    & skf18("1","6","6","1","7","6","1") = "6"
    & skf18("1","6","6","1","7","7","1") = "6"
    & skf18("1","6","6","1","7","8","1") = "7"
    & skf18("1","6","6","1","7","9","1") = "8"
    & skf18("1","6","6","1","7","10","1") = "9"
    & skf18("1","6","6","1","8","1","1") = "7"
    & skf18("1","6","6","1","8","2","1") = "7"
    & skf18("1","6","6","1","8","3","1") = "7"
    & skf18("1","6","6","1","8","4","1") = "7"
    & skf18("1","6","6","1","8","5","1") = "7"
    & skf18("1","6","6","1","8","6","1") = "7"
    & skf18("1","6","6","1","8","7","1") = "7"
    & skf18("1","6","6","1","8","8","1") = "7"
    & skf18("1","6","6","1","8","9","1") = "8"
    & skf18("1","6","6","1","8","10","1") = "9"
    & skf18("1","6","6","1","9","1","1") = "8"
    & skf18("1","6","6","1","9","2","1") = "8"
    & skf18("1","6","6","1","9","3","1") = "8"
    & skf18("1","6","6","1","9","4","1") = "8"
    & skf18("1","6","6","1","9","5","1") = "8"
    & skf18("1","6","6","1","9","6","1") = "8"
    & skf18("1","6","6","1","9","7","1") = "8"
    & skf18("1","6","6","1","9","8","1") = "8"
    & skf18("1","6","6","1","9","9","1") = "8"
    & skf18("1","6","6","1","9","10","1") = "9"
    & skf18("1","6","6","1","10","1","1") = "9"
    & skf18("1","6","6","1","10","2","1") = "9"
    & skf18("1","6","6","1","10","3","1") = "9"
    & skf18("1","6","6","1","10","4","1") = "9"
    & skf18("1","6","6","1","10","5","1") = "9"
    & skf18("1","6","6","1","10","6","1") = "9"
    & skf18("1","6","6","1","10","7","1") = "9"
    & skf18("1","6","6","1","10","8","1") = "9"
    & skf18("1","6","6","1","10","9","1") = "9"
    & skf18("1","6","6","1","10","10","1") = "9"
    & skf18("1","6","6","2","1","1","1") = "5"
    & skf18("1","6","6","2","1","2","1") = "5"
    & skf18("1","6","6","2","1","3","1") = "5"
    & skf18("1","6","6","2","1","4","1") = "5"
    & skf18("1","6","6","2","1","5","1") = "5"
    & skf18("1","6","6","2","1","6","1") = "5"
    & skf18("1","6","6","2","1","7","1") = "6"
    & skf18("1","6","6","2","1","8","1") = "7"
    & skf18("1","6","6","2","1","9","1") = "8"
    & skf18("1","6","6","2","1","10","1") = "9"
    & skf18("1","6","6","2","2","1","1") = "5"
    & skf18("1","6","6","2","2","2","1") = "5"
    & skf18("1","6","6","2","2","3","1") = "5"
    & skf18("1","6","6","2","2","4","1") = "5"
    & skf18("1","6","6","2","2","5","1") = "5"
    & skf18("1","6","6","2","2","6","1") = "5"
    & skf18("1","6","6","2","2","7","1") = "6"
    & skf18("1","6","6","2","2","8","1") = "7"
    & skf18("1","6","6","2","2","9","1") = "8"
    & skf18("1","6","6","2","2","10","1") = "9"
    & skf18("1","6","6","2","3","1","1") = "5"
    & skf18("1","6","6","2","3","2","1") = "5"
    & skf18("1","6","6","2","3","3","1") = "5"
    & skf18("1","6","6","2","3","4","1") = "5"
    & skf18("1","6","6","2","3","5","1") = "5"
    & skf18("1","6","6","2","3","6","1") = "5"
    & skf18("1","6","6","2","3","7","1") = "6"
    & skf18("1","6","6","2","3","8","1") = "7"
    & skf18("1","6","6","2","3","9","1") = "8"
    & skf18("1","6","6","2","3","10","1") = "9"
    & skf18("1","6","6","2","4","1","1") = "5"
    & skf18("1","6","6","2","4","2","1") = "5"
    & skf18("1","6","6","2","4","3","1") = "5"
    & skf18("1","6","6","2","4","4","1") = "5"
    & skf18("1","6","6","2","4","5","1") = "5"
    & skf18("1","6","6","2","4","6","1") = "5"
    & skf18("1","6","6","2","4","7","1") = "6"
    & skf18("1","6","6","2","4","8","1") = "7"
    & skf18("1","6","6","2","4","9","1") = "8"
    & skf18("1","6","6","2","4","10","1") = "9"
    & skf18("1","6","6","2","5","1","1") = "5"
    & skf18("1","6","6","2","5","2","1") = "5"
    & skf18("1","6","6","2","5","3","1") = "5"
    & skf18("1","6","6","2","5","4","1") = "5"
    & skf18("1","6","6","2","5","5","1") = "5"
    & skf18("1","6","6","2","5","6","1") = "5"
    & skf18("1","6","6","2","5","7","1") = "6"
    & skf18("1","6","6","2","5","8","1") = "7"
    & skf18("1","6","6","2","5","9","1") = "8"
    & skf18("1","6","6","2","5","10","1") = "9"
    & skf18("1","6","6","2","6","1","1") = "5"
    & skf18("1","6","6","2","6","2","1") = "5"
    & skf18("1","6","6","2","6","3","1") = "5"
    & skf18("1","6","6","2","6","4","1") = "5"
    & skf18("1","6","6","2","6","5","1") = "5"
    & skf18("1","6","6","2","6","6","1") = "5"
    & skf18("1","6","6","2","6","7","1") = "6"
    & skf18("1","6","6","2","6","8","1") = "7"
    & skf18("1","6","6","2","6","9","1") = "8"
    & skf18("1","6","6","2","6","10","1") = "9"
    & skf18("1","6","6","2","7","1","1") = "6"
    & skf18("1","6","6","2","7","2","1") = "6"
    & skf18("1","6","6","2","7","3","1") = "6"
    & skf18("1","6","6","2","7","4","1") = "6"
    & skf18("1","6","6","2","7","5","1") = "6"
    & skf18("1","6","6","2","7","6","1") = "6"
    & skf18("1","6","6","2","7","7","1") = "6"
    & skf18("1","6","6","2","7","8","1") = "7"
    & skf18("1","6","6","2","7","9","1") = "8"
    & skf18("1","6","6","2","7","10","1") = "9"
    & skf18("1","6","6","2","8","1","1") = "7"
    & skf18("1","6","6","2","8","2","1") = "7"
    & skf18("1","6","6","2","8","3","1") = "7"
    & skf18("1","6","6","2","8","4","1") = "7"
    & skf18("1","6","6","2","8","5","1") = "7"
    & skf18("1","6","6","2","8","6","1") = "7"
    & skf18("1","6","6","2","8","7","1") = "7"
    & skf18("1","6","6","2","8","8","1") = "7"
    & skf18("1","6","6","2","8","9","1") = "8"
    & skf18("1","6","6","2","8","10","1") = "9"
    & skf18("1","6","6","2","9","1","1") = "8"
    & skf18("1","6","6","2","9","2","1") = "8"
    & skf18("1","6","6","2","9","3","1") = "8"
    & skf18("1","6","6","2","9","4","1") = "8"
    & skf18("1","6","6","2","9","5","1") = "8"
    & skf18("1","6","6","2","9","6","1") = "8"
    & skf18("1","6","6","2","9","7","1") = "8"
    & skf18("1","6","6","2","9","8","1") = "8"
    & skf18("1","6","6","2","9","9","1") = "8"
    & skf18("1","6","6","2","9","10","1") = "9"
    & skf18("1","6","6","2","10","1","1") = "9"
    & skf18("1","6","6","2","10","2","1") = "9"
    & skf18("1","6","6","2","10","3","1") = "9"
    & skf18("1","6","6","2","10","4","1") = "9"
    & skf18("1","6","6","2","10","5","1") = "9"
    & skf18("1","6","6","2","10","6","1") = "9"
    & skf18("1","6","6","2","10","7","1") = "9"
    & skf18("1","6","6","2","10","8","1") = "9"
    & skf18("1","6","6","2","10","9","1") = "9"
    & skf18("1","6","6","2","10","10","1") = "9"
    & skf18("1","6","6","3","1","1","1") = "5"
    & skf18("1","6","6","3","1","2","1") = "5"
    & skf18("1","6","6","3","1","3","1") = "5"
    & skf18("1","6","6","3","1","4","1") = "5"
    & skf18("1","6","6","3","1","5","1") = "5"
    & skf18("1","6","6","3","1","6","1") = "5"
    & skf18("1","6","6","3","1","7","1") = "6"
    & skf18("1","6","6","3","1","8","1") = "7"
    & skf18("1","6","6","3","1","9","1") = "8"
    & skf18("1","6","6","3","1","10","1") = "9"
    & skf18("1","6","6","3","2","1","1") = "5"
    & skf18("1","6","6","3","2","2","1") = "5"
    & skf18("1","6","6","3","2","3","1") = "5"
    & skf18("1","6","6","3","2","4","1") = "5"
    & skf18("1","6","6","3","2","5","1") = "5"
    & skf18("1","6","6","3","2","6","1") = "5"
    & skf18("1","6","6","3","2","7","1") = "6"
    & skf18("1","6","6","3","2","8","1") = "7"
    & skf18("1","6","6","3","2","9","1") = "8"
    & skf18("1","6","6","3","2","10","1") = "9"
    & skf18("1","6","6","3","3","1","1") = "5"
    & skf18("1","6","6","3","3","2","1") = "5"
    & skf18("1","6","6","3","3","3","1") = "5"
    & skf18("1","6","6","3","3","4","1") = "5"
    & skf18("1","6","6","3","3","5","1") = "5"
    & skf18("1","6","6","3","3","6","1") = "5"
    & skf18("1","6","6","3","3","7","1") = "6"
    & skf18("1","6","6","3","3","8","1") = "7"
    & skf18("1","6","6","3","3","9","1") = "8"
    & skf18("1","6","6","3","3","10","1") = "9"
    & skf18("1","6","6","3","4","1","1") = "5"
    & skf18("1","6","6","3","4","2","1") = "5"
    & skf18("1","6","6","3","4","3","1") = "5"
    & skf18("1","6","6","3","4","4","1") = "5"
    & skf18("1","6","6","3","4","5","1") = "5"
    & skf18("1","6","6","3","4","6","1") = "5"
    & skf18("1","6","6","3","4","7","1") = "6"
    & skf18("1","6","6","3","4","8","1") = "7"
    & skf18("1","6","6","3","4","9","1") = "8"
    & skf18("1","6","6","3","4","10","1") = "9"
    & skf18("1","6","6","3","5","1","1") = "5"
    & skf18("1","6","6","3","5","2","1") = "5"
    & skf18("1","6","6","3","5","3","1") = "5"
    & skf18("1","6","6","3","5","4","1") = "5"
    & skf18("1","6","6","3","5","5","1") = "5"
    & skf18("1","6","6","3","5","6","1") = "5"
    & skf18("1","6","6","3","5","7","1") = "6"
    & skf18("1","6","6","3","5","8","1") = "7"
    & skf18("1","6","6","3","5","9","1") = "8"
    & skf18("1","6","6","3","5","10","1") = "9"
    & skf18("1","6","6","3","6","1","1") = "5"
    & skf18("1","6","6","3","6","2","1") = "5"
    & skf18("1","6","6","3","6","3","1") = "5"
    & skf18("1","6","6","3","6","4","1") = "5"
    & skf18("1","6","6","3","6","5","1") = "5"
    & skf18("1","6","6","3","6","6","1") = "5"
    & skf18("1","6","6","3","6","7","1") = "6"
    & skf18("1","6","6","3","6","8","1") = "7"
    & skf18("1","6","6","3","6","9","1") = "8"
    & skf18("1","6","6","3","6","10","1") = "9"
    & skf18("1","6","6","3","7","1","1") = "6"
    & skf18("1","6","6","3","7","2","1") = "6"
    & skf18("1","6","6","3","7","3","1") = "6"
    & skf18("1","6","6","3","7","4","1") = "6"
    & skf18("1","6","6","3","7","5","1") = "6"
    & skf18("1","6","6","3","7","6","1") = "6"
    & skf18("1","6","6","3","7","7","1") = "6"
    & skf18("1","6","6","3","7","8","1") = "7"
    & skf18("1","6","6","3","7","9","1") = "8"
    & skf18("1","6","6","3","7","10","1") = "9"
    & skf18("1","6","6","3","8","1","1") = "7"
    & skf18("1","6","6","3","8","2","1") = "7"
    & skf18("1","6","6","3","8","3","1") = "7"
    & skf18("1","6","6","3","8","4","1") = "7"
    & skf18("1","6","6","3","8","5","1") = "7"
    & skf18("1","6","6","3","8","6","1") = "7"
    & skf18("1","6","6","3","8","7","1") = "7"
    & skf18("1","6","6","3","8","8","1") = "7"
    & skf18("1","6","6","3","8","9","1") = "8"
    & skf18("1","6","6","3","8","10","1") = "9"
    & skf18("1","6","6","3","9","1","1") = "8"
    & skf18("1","6","6","3","9","2","1") = "8"
    & skf18("1","6","6","3","9","3","1") = "8"
    & skf18("1","6","6","3","9","4","1") = "8"
    & skf18("1","6","6","3","9","5","1") = "8"
    & skf18("1","6","6","3","9","6","1") = "8"
    & skf18("1","6","6","3","9","7","1") = "8"
    & skf18("1","6","6","3","9","8","1") = "8"
    & skf18("1","6","6","3","9","9","1") = "8"
    & skf18("1","6","6","3","9","10","1") = "9"
    & skf18("1","6","6","3","10","1","1") = "9"
    & skf18("1","6","6","3","10","2","1") = "9"
    & skf18("1","6","6","3","10","3","1") = "9"
    & skf18("1","6","6","3","10","4","1") = "9"
    & skf18("1","6","6","3","10","5","1") = "9"
    & skf18("1","6","6","3","10","6","1") = "9"
    & skf18("1","6","6","3","10","7","1") = "9"
    & skf18("1","6","6","3","10","8","1") = "9"
    & skf18("1","6","6","3","10","9","1") = "9"
    & skf18("1","6","6","3","10","10","1") = "9"
    & skf18("1","6","6","4","1","1","1") = "5"
    & skf18("1","6","6","4","1","2","1") = "5"
    & skf18("1","6","6","4","1","3","1") = "5"
    & skf18("1","6","6","4","1","4","1") = "5"
    & skf18("1","6","6","4","1","5","1") = "5"
    & skf18("1","6","6","4","1","6","1") = "5"
    & skf18("1","6","6","4","1","7","1") = "6"
    & skf18("1","6","6","4","1","8","1") = "7"
    & skf18("1","6","6","4","1","9","1") = "8"
    & skf18("1","6","6","4","1","10","1") = "9"
    & skf18("1","6","6","4","2","1","1") = "5"
    & skf18("1","6","6","4","2","2","1") = "5"
    & skf18("1","6","6","4","2","3","1") = "5"
    & skf18("1","6","6","4","2","4","1") = "5"
    & skf18("1","6","6","4","2","5","1") = "5"
    & skf18("1","6","6","4","2","6","1") = "5"
    & skf18("1","6","6","4","2","7","1") = "6"
    & skf18("1","6","6","4","2","8","1") = "7"
    & skf18("1","6","6","4","2","9","1") = "8"
    & skf18("1","6","6","4","2","10","1") = "9"
    & skf18("1","6","6","4","3","1","1") = "5"
    & skf18("1","6","6","4","3","2","1") = "5"
    & skf18("1","6","6","4","3","3","1") = "5"
    & skf18("1","6","6","4","3","4","1") = "5"
    & skf18("1","6","6","4","3","5","1") = "5"
    & skf18("1","6","6","4","3","6","1") = "5"
    & skf18("1","6","6","4","3","7","1") = "6"
    & skf18("1","6","6","4","3","8","1") = "7"
    & skf18("1","6","6","4","3","9","1") = "8"
    & skf18("1","6","6","4","3","10","1") = "9"
    & skf18("1","6","6","4","4","1","1") = "5"
    & skf18("1","6","6","4","4","2","1") = "5"
    & skf18("1","6","6","4","4","3","1") = "5"
    & skf18("1","6","6","4","4","4","1") = "5"
    & skf18("1","6","6","4","4","5","1") = "5"
    & skf18("1","6","6","4","4","6","1") = "5"
    & skf18("1","6","6","4","4","7","1") = "6"
    & skf18("1","6","6","4","4","8","1") = "7"
    & skf18("1","6","6","4","4","9","1") = "8"
    & skf18("1","6","6","4","4","10","1") = "9"
    & skf18("1","6","6","4","5","1","1") = "5"
    & skf18("1","6","6","4","5","2","1") = "5"
    & skf18("1","6","6","4","5","3","1") = "5"
    & skf18("1","6","6","4","5","4","1") = "5"
    & skf18("1","6","6","4","5","5","1") = "5"
    & skf18("1","6","6","4","5","6","1") = "5"
    & skf18("1","6","6","4","5","7","1") = "6"
    & skf18("1","6","6","4","5","8","1") = "7"
    & skf18("1","6","6","4","5","9","1") = "8"
    & skf18("1","6","6","4","5","10","1") = "9"
    & skf18("1","6","6","4","6","1","1") = "5"
    & skf18("1","6","6","4","6","2","1") = "5"
    & skf18("1","6","6","4","6","3","1") = "5"
    & skf18("1","6","6","4","6","4","1") = "5"
    & skf18("1","6","6","4","6","5","1") = "5"
    & skf18("1","6","6","4","6","6","1") = "5"
    & skf18("1","6","6","4","6","7","1") = "6"
    & skf18("1","6","6","4","6","8","1") = "7"
    & skf18("1","6","6","4","6","9","1") = "8"
    & skf18("1","6","6","4","6","10","1") = "9"
    & skf18("1","6","6","4","7","1","1") = "6"
    & skf18("1","6","6","4","7","2","1") = "6"
    & skf18("1","6","6","4","7","3","1") = "6"
    & skf18("1","6","6","4","7","4","1") = "6"
    & skf18("1","6","6","4","7","5","1") = "6"
    & skf18("1","6","6","4","7","6","1") = "6"
    & skf18("1","6","6","4","7","7","1") = "6"
    & skf18("1","6","6","4","7","8","1") = "7"
    & skf18("1","6","6","4","7","9","1") = "8"
    & skf18("1","6","6","4","7","10","1") = "9"
    & skf18("1","6","6","4","8","1","1") = "7"
    & skf18("1","6","6","4","8","2","1") = "7"
    & skf18("1","6","6","4","8","3","1") = "7"
    & skf18("1","6","6","4","8","4","1") = "7"
    & skf18("1","6","6","4","8","5","1") = "7"
    & skf18("1","6","6","4","8","6","1") = "7"
    & skf18("1","6","6","4","8","7","1") = "7"
    & skf18("1","6","6","4","8","8","1") = "7"
    & skf18("1","6","6","4","8","9","1") = "8"
    & skf18("1","6","6","4","8","10","1") = "9"
    & skf18("1","6","6","4","9","1","1") = "8"
    & skf18("1","6","6","4","9","2","1") = "8"
    & skf18("1","6","6","4","9","3","1") = "8"
    & skf18("1","6","6","4","9","4","1") = "8"
    & skf18("1","6","6","4","9","5","1") = "8"
    & skf18("1","6","6","4","9","6","1") = "8"
    & skf18("1","6","6","4","9","7","1") = "8"
    & skf18("1","6","6","4","9","8","1") = "8"
    & skf18("1","6","6","4","9","9","1") = "8"
    & skf18("1","6","6","4","9","10","1") = "9"
    & skf18("1","6","6","4","10","1","1") = "9"
    & skf18("1","6","6","4","10","2","1") = "9"
    & skf18("1","6","6","4","10","3","1") = "9"
    & skf18("1","6","6","4","10","4","1") = "9"
    & skf18("1","6","6","4","10","5","1") = "9"
    & skf18("1","6","6","4","10","6","1") = "9"
    & skf18("1","6","6","4","10","7","1") = "9"
    & skf18("1","6","6","4","10","8","1") = "9"
    & skf18("1","6","6","4","10","9","1") = "9"
    & skf18("1","6","6","4","10","10","1") = "9"
    & skf18("1","6","6","5","1","1","1") = "5"
    & skf18("1","6","6","5","1","2","1") = "5"
    & skf18("1","6","6","5","1","3","1") = "5"
    & skf18("1","6","6","5","1","4","1") = "5"
    & skf18("1","6","6","5","1","5","1") = "5"
    & skf18("1","6","6","5","1","6","1") = "5"
    & skf18("1","6","6","5","1","7","1") = "6"
    & skf18("1","6","6","5","1","8","1") = "7"
    & skf18("1","6","6","5","1","9","1") = "8"
    & skf18("1","6","6","5","1","10","1") = "9"
    & skf18("1","6","6","5","2","1","1") = "5"
    & skf18("1","6","6","5","2","2","1") = "5"
    & skf18("1","6","6","5","2","3","1") = "5"
    & skf18("1","6","6","5","2","4","1") = "5"
    & skf18("1","6","6","5","2","5","1") = "5"
    & skf18("1","6","6","5","2","6","1") = "5"
    & skf18("1","6","6","5","2","7","1") = "6"
    & skf18("1","6","6","5","2","8","1") = "7"
    & skf18("1","6","6","5","2","9","1") = "8"
    & skf18("1","6","6","5","2","10","1") = "9"
    & skf18("1","6","6","5","3","1","1") = "5"
    & skf18("1","6","6","5","3","2","1") = "5"
    & skf18("1","6","6","5","3","3","1") = "5"
    & skf18("1","6","6","5","3","4","1") = "5"
    & skf18("1","6","6","5","3","5","1") = "5"
    & skf18("1","6","6","5","3","6","1") = "5"
    & skf18("1","6","6","5","3","7","1") = "6"
    & skf18("1","6","6","5","3","8","1") = "7"
    & skf18("1","6","6","5","3","9","1") = "8"
    & skf18("1","6","6","5","3","10","1") = "9"
    & skf18("1","6","6","5","4","1","1") = "5"
    & skf18("1","6","6","5","4","2","1") = "5"
    & skf18("1","6","6","5","4","3","1") = "5"
    & skf18("1","6","6","5","4","4","1") = "5"
    & skf18("1","6","6","5","4","5","1") = "5"
    & skf18("1","6","6","5","4","6","1") = "5"
    & skf18("1","6","6","5","4","7","1") = "6"
    & skf18("1","6","6","5","4","8","1") = "7"
    & skf18("1","6","6","5","4","9","1") = "8"
    & skf18("1","6","6","5","4","10","1") = "9"
    & skf18("1","6","6","5","5","1","1") = "5"
    & skf18("1","6","6","5","5","2","1") = "5"
    & skf18("1","6","6","5","5","3","1") = "5"
    & skf18("1","6","6","5","5","4","1") = "5"
    & skf18("1","6","6","5","5","5","1") = "5"
    & skf18("1","6","6","5","5","6","1") = "5"
    & skf18("1","6","6","5","5","7","1") = "6"
    & skf18("1","6","6","5","5","8","1") = "7"
    & skf18("1","6","6","5","5","9","1") = "8"
    & skf18("1","6","6","5","5","10","1") = "9"
    & skf18("1","6","6","5","6","1","1") = "5"
    & skf18("1","6","6","5","6","2","1") = "5"
    & skf18("1","6","6","5","6","3","1") = "5"
    & skf18("1","6","6","5","6","4","1") = "5"
    & skf18("1","6","6","5","6","5","1") = "5"
    & skf18("1","6","6","5","6","6","1") = "5"
    & skf18("1","6","6","5","6","7","1") = "6"
    & skf18("1","6","6","5","6","8","1") = "7"
    & skf18("1","6","6","5","6","9","1") = "8"
    & skf18("1","6","6","5","6","10","1") = "9"
    & skf18("1","6","6","5","7","1","1") = "6"
    & skf18("1","6","6","5","7","2","1") = "6"
    & skf18("1","6","6","5","7","3","1") = "6"
    & skf18("1","6","6","5","7","4","1") = "6"
    & skf18("1","6","6","5","7","5","1") = "6"
    & skf18("1","6","6","5","7","6","1") = "6"
    & skf18("1","6","6","5","7","7","1") = "6"
    & skf18("1","6","6","5","7","8","1") = "7"
    & skf18("1","6","6","5","7","9","1") = "8"
    & skf18("1","6","6","5","7","10","1") = "9"
    & skf18("1","6","6","5","8","1","1") = "7"
    & skf18("1","6","6","5","8","2","1") = "7"
    & skf18("1","6","6","5","8","3","1") = "7"
    & skf18("1","6","6","5","8","4","1") = "7"
    & skf18("1","6","6","5","8","5","1") = "7"
    & skf18("1","6","6","5","8","6","1") = "7"
    & skf18("1","6","6","5","8","7","1") = "7"
    & skf18("1","6","6","5","8","8","1") = "7"
    & skf18("1","6","6","5","8","9","1") = "8"
    & skf18("1","6","6","5","8","10","1") = "9"
    & skf18("1","6","6","5","9","1","1") = "8"
    & skf18("1","6","6","5","9","2","1") = "8"
    & skf18("1","6","6","5","9","3","1") = "8"
    & skf18("1","6","6","5","9","4","1") = "8"
    & skf18("1","6","6","5","9","5","1") = "8"
    & skf18("1","6","6","5","9","6","1") = "8"
    & skf18("1","6","6","5","9","7","1") = "8"
    & skf18("1","6","6","5","9","8","1") = "8"
    & skf18("1","6","6","5","9","9","1") = "8"
    & skf18("1","6","6","5","9","10","1") = "9"
    & skf18("1","6","6","5","10","1","1") = "9"
    & skf18("1","6","6","5","10","2","1") = "9"
    & skf18("1","6","6","5","10","3","1") = "9"
    & skf18("1","6","6","5","10","4","1") = "9"
    & skf18("1","6","6","5","10","5","1") = "9"
    & skf18("1","6","6","5","10","6","1") = "9"
    & skf18("1","6","6","5","10","7","1") = "9"
    & skf18("1","6","6","5","10","8","1") = "9"
    & skf18("1","6","6","5","10","9","1") = "9"
    & skf18("1","6","6","5","10","10","1") = "9"
    & skf18("1","6","6","6","1","1","1") = "5"
    & skf18("1","6","6","6","1","2","1") = "5"
    & skf18("1","6","6","6","1","3","1") = "5"
    & skf18("1","6","6","6","1","4","1") = "5"
    & skf18("1","6","6","6","1","5","1") = "5"
    & skf18("1","6","6","6","1","6","1") = "5"
    & skf18("1","6","6","6","1","7","1") = "6"
    & skf18("1","6","6","6","1","8","1") = "7"
    & skf18("1","6","6","6","1","9","1") = "8"
    & skf18("1","6","6","6","1","10","1") = "9"
    & skf18("1","6","6","6","2","1","1") = "5"
    & skf18("1","6","6","6","2","2","1") = "5"
    & skf18("1","6","6","6","2","3","1") = "5"
    & skf18("1","6","6","6","2","4","1") = "5"
    & skf18("1","6","6","6","2","5","1") = "5"
    & skf18("1","6","6","6","2","6","1") = "5"
    & skf18("1","6","6","6","2","7","1") = "6"
    & skf18("1","6","6","6","2","8","1") = "7"
    & skf18("1","6","6","6","2","9","1") = "8"
    & skf18("1","6","6","6","2","10","1") = "9"
    & skf18("1","6","6","6","3","1","1") = "5"
    & skf18("1","6","6","6","3","2","1") = "5"
    & skf18("1","6","6","6","3","3","1") = "5"
    & skf18("1","6","6","6","3","4","1") = "5"
    & skf18("1","6","6","6","3","5","1") = "5"
    & skf18("1","6","6","6","3","6","1") = "5"
    & skf18("1","6","6","6","3","7","1") = "6"
    & skf18("1","6","6","6","3","8","1") = "7"
    & skf18("1","6","6","6","3","9","1") = "8"
    & skf18("1","6","6","6","3","10","1") = "9"
    & skf18("1","6","6","6","4","1","1") = "5"
    & skf18("1","6","6","6","4","2","1") = "5"
    & skf18("1","6","6","6","4","3","1") = "5"
    & skf18("1","6","6","6","4","4","1") = "5"
    & skf18("1","6","6","6","4","5","1") = "5"
    & skf18("1","6","6","6","4","6","1") = "5"
    & skf18("1","6","6","6","4","7","1") = "6"
    & skf18("1","6","6","6","4","8","1") = "7"
    & skf18("1","6","6","6","4","9","1") = "8"
    & skf18("1","6","6","6","4","10","1") = "9"
    & skf18("1","6","6","6","5","1","1") = "5"
    & skf18("1","6","6","6","5","2","1") = "5"
    & skf18("1","6","6","6","5","3","1") = "5"
    & skf18("1","6","6","6","5","4","1") = "5"
    & skf18("1","6","6","6","5","5","1") = "5"
    & skf18("1","6","6","6","5","6","1") = "5"
    & skf18("1","6","6","6","5","7","1") = "6"
    & skf18("1","6","6","6","5","8","1") = "7"
    & skf18("1","6","6","6","5","9","1") = "8"
    & skf18("1","6","6","6","5","10","1") = "9"
    & skf18("1","6","6","6","6","1","1") = "5"
    & skf18("1","6","6","6","6","2","1") = "5"
    & skf18("1","6","6","6","6","3","1") = "5"
    & skf18("1","6","6","6","6","4","1") = "5"
    & skf18("1","6","6","6","6","5","1") = "5"
    & skf18("1","6","6","6","6","6","1") = "5"
    & skf18("1","6","6","6","6","7","1") = "6"
    & skf18("1","6","6","6","6","8","1") = "7"
    & skf18("1","6","6","6","6","9","1") = "8"
    & skf18("1","6","6","6","6","10","1") = "9"
    & skf18("1","6","6","6","7","1","1") = "6"
    & skf18("1","6","6","6","7","2","1") = "6"
    & skf18("1","6","6","6","7","3","1") = "6"
    & skf18("1","6","6","6","7","4","1") = "6"
    & skf18("1","6","6","6","7","5","1") = "6"
    & skf18("1","6","6","6","7","6","1") = "6"
    & skf18("1","6","6","6","7","7","1") = "6"
    & skf18("1","6","6","6","7","8","1") = "7"
    & skf18("1","6","6","6","7","9","1") = "8"
    & skf18("1","6","6","6","7","10","1") = "9"
    & skf18("1","6","6","6","8","1","1") = "7"
    & skf18("1","6","6","6","8","2","1") = "7"
    & skf18("1","6","6","6","8","3","1") = "7"
    & skf18("1","6","6","6","8","4","1") = "7"
    & skf18("1","6","6","6","8","5","1") = "7"
    & skf18("1","6","6","6","8","6","1") = "7"
    & skf18("1","6","6","6","8","7","1") = "7"
    & skf18("1","6","6","6","8","8","1") = "7"
    & skf18("1","6","6","6","8","9","1") = "8"
    & skf18("1","6","6","6","8","10","1") = "9"
    & skf18("1","6","6","6","9","1","1") = "8"
    & skf18("1","6","6","6","9","2","1") = "8"
    & skf18("1","6","6","6","9","3","1") = "8"
    & skf18("1","6","6","6","9","4","1") = "8"
    & skf18("1","6","6","6","9","5","1") = "8"
    & skf18("1","6","6","6","9","6","1") = "8"
    & skf18("1","6","6","6","9","7","1") = "8"
    & skf18("1","6","6","6","9","8","1") = "8"
    & skf18("1","6","6","6","9","9","1") = "8"
    & skf18("1","6","6","6","9","10","1") = "9"
    & skf18("1","6","6","6","10","1","1") = "9"
    & skf18("1","6","6","6","10","2","1") = "9"
    & skf18("1","6","6","6","10","3","1") = "9"
    & skf18("1","6","6","6","10","4","1") = "9"
    & skf18("1","6","6","6","10","5","1") = "9"
    & skf18("1","6","6","6","10","6","1") = "9"
    & skf18("1","6","6","6","10","7","1") = "9"
    & skf18("1","6","6","6","10","8","1") = "9"
    & skf18("1","6","6","6","10","9","1") = "9"
    & skf18("1","6","6","6","10","10","1") = "9"
    & skf18("1","6","6","7","1","1","1") = "6"
    & skf18("1","6","6","7","1","2","1") = "6"
    & skf18("1","6","6","7","1","3","1") = "6"
    & skf18("1","6","6","7","1","4","1") = "6"
    & skf18("1","6","6","7","1","5","1") = "6"
    & skf18("1","6","6","7","1","6","1") = "6"
    & skf18("1","6","6","7","1","7","1") = "6"
    & skf18("1","6","6","7","1","8","1") = "7"
    & skf18("1","6","6","7","1","9","1") = "8"
    & skf18("1","6","6","7","1","10","1") = "9"
    & skf18("1","6","6","7","2","1","1") = "6"
    & skf18("1","6","6","7","2","2","1") = "6"
    & skf18("1","6","6","7","2","3","1") = "6"
    & skf18("1","6","6","7","2","4","1") = "6"
    & skf18("1","6","6","7","2","5","1") = "6"
    & skf18("1","6","6","7","2","6","1") = "6"
    & skf18("1","6","6","7","2","7","1") = "6"
    & skf18("1","6","6","7","2","8","1") = "7"
    & skf18("1","6","6","7","2","9","1") = "8"
    & skf18("1","6","6","7","2","10","1") = "9"
    & skf18("1","6","6","7","3","1","1") = "6"
    & skf18("1","6","6","7","3","2","1") = "6"
    & skf18("1","6","6","7","3","3","1") = "6"
    & skf18("1","6","6","7","3","4","1") = "6"
    & skf18("1","6","6","7","3","5","1") = "6"
    & skf18("1","6","6","7","3","6","1") = "6"
    & skf18("1","6","6","7","3","7","1") = "6"
    & skf18("1","6","6","7","3","8","1") = "7"
    & skf18("1","6","6","7","3","9","1") = "8"
    & skf18("1","6","6","7","3","10","1") = "9"
    & skf18("1","6","6","7","4","1","1") = "6"
    & skf18("1","6","6","7","4","2","1") = "6"
    & skf18("1","6","6","7","4","3","1") = "6"
    & skf18("1","6","6","7","4","4","1") = "6"
    & skf18("1","6","6","7","4","5","1") = "6"
    & skf18("1","6","6","7","4","6","1") = "6"
    & skf18("1","6","6","7","4","7","1") = "6"
    & skf18("1","6","6","7","4","8","1") = "7"
    & skf18("1","6","6","7","4","9","1") = "8"
    & skf18("1","6","6","7","4","10","1") = "9"
    & skf18("1","6","6","7","5","1","1") = "6"
    & skf18("1","6","6","7","5","2","1") = "6"
    & skf18("1","6","6","7","5","3","1") = "6"
    & skf18("1","6","6","7","5","4","1") = "6"
    & skf18("1","6","6","7","5","5","1") = "6"
    & skf18("1","6","6","7","5","6","1") = "6"
    & skf18("1","6","6","7","5","7","1") = "6"
    & skf18("1","6","6","7","5","8","1") = "7"
    & skf18("1","6","6","7","5","9","1") = "8"
    & skf18("1","6","6","7","5","10","1") = "9"
    & skf18("1","6","6","7","6","1","1") = "6"
    & skf18("1","6","6","7","6","2","1") = "6"
    & skf18("1","6","6","7","6","3","1") = "6"
    & skf18("1","6","6","7","6","4","1") = "6"
    & skf18("1","6","6","7","6","5","1") = "6"
    & skf18("1","6","6","7","6","6","1") = "6"
    & skf18("1","6","6","7","6","7","1") = "6"
    & skf18("1","6","6","7","6","8","1") = "7"
    & skf18("1","6","6","7","6","9","1") = "8"
    & skf18("1","6","6","7","6","10","1") = "9"
    & skf18("1","6","6","7","7","1","1") = "6"
    & skf18("1","6","6","7","7","2","1") = "6"
    & skf18("1","6","6","7","7","3","1") = "6"
    & skf18("1","6","6","7","7","4","1") = "6"
    & skf18("1","6","6","7","7","5","1") = "6"
    & skf18("1","6","6","7","7","6","1") = "6"
    & skf18("1","6","6","7","7","7","1") = "6"
    & skf18("1","6","6","7","7","8","1") = "7"
    & skf18("1","6","6","7","7","9","1") = "8"
    & skf18("1","6","6","7","7","10","1") = "9"
    & skf18("1","6","6","7","8","1","1") = "7"
    & skf18("1","6","6","7","8","2","1") = "7"
    & skf18("1","6","6","7","8","3","1") = "7"
    & skf18("1","6","6","7","8","4","1") = "7"
    & skf18("1","6","6","7","8","5","1") = "7"
    & skf18("1","6","6","7","8","6","1") = "7"
    & skf18("1","6","6","7","8","7","1") = "7"
    & skf18("1","6","6","7","8","8","1") = "7"
    & skf18("1","6","6","7","8","9","1") = "8"
    & skf18("1","6","6","7","8","10","1") = "9"
    & skf18("1","6","6","7","9","1","1") = "8"
    & skf18("1","6","6","7","9","2","1") = "8"
    & skf18("1","6","6","7","9","3","1") = "8"
    & skf18("1","6","6","7","9","4","1") = "8"
    & skf18("1","6","6","7","9","5","1") = "8"
    & skf18("1","6","6","7","9","6","1") = "8"
    & skf18("1","6","6","7","9","7","1") = "8"
    & skf18("1","6","6","7","9","8","1") = "8"
    & skf18("1","6","6","7","9","9","1") = "8"
    & skf18("1","6","6","7","9","10","1") = "9"
    & skf18("1","6","6","7","10","1","1") = "9"
    & skf18("1","6","6","7","10","2","1") = "9"
    & skf18("1","6","6","7","10","3","1") = "9"
    & skf18("1","6","6","7","10","4","1") = "9"
    & skf18("1","6","6","7","10","5","1") = "9"
    & skf18("1","6","6","7","10","6","1") = "9"
    & skf18("1","6","6","7","10","7","1") = "9"
    & skf18("1","6","6","7","10","8","1") = "9"
    & skf18("1","6","6","7","10","9","1") = "9"
    & skf18("1","6","6","7","10","10","1") = "9"
    & skf18("1","6","6","8","1","1","1") = "7"
    & skf18("1","6","6","8","1","2","1") = "7"
    & skf18("1","6","6","8","1","3","1") = "7"
    & skf18("1","6","6","8","1","4","1") = "7"
    & skf18("1","6","6","8","1","5","1") = "7"
    & skf18("1","6","6","8","1","6","1") = "7"
    & skf18("1","6","6","8","1","7","1") = "7"
    & skf18("1","6","6","8","1","8","1") = "7"
    & skf18("1","6","6","8","1","9","1") = "8"
    & skf18("1","6","6","8","1","10","1") = "9"
    & skf18("1","6","6","8","2","1","1") = "7"
    & skf18("1","6","6","8","2","2","1") = "7"
    & skf18("1","6","6","8","2","3","1") = "7"
    & skf18("1","6","6","8","2","4","1") = "7"
    & skf18("1","6","6","8","2","5","1") = "7"
    & skf18("1","6","6","8","2","6","1") = "7"
    & skf18("1","6","6","8","2","7","1") = "7"
    & skf18("1","6","6","8","2","8","1") = "7"
    & skf18("1","6","6","8","2","9","1") = "8"
    & skf18("1","6","6","8","2","10","1") = "9"
    & skf18("1","6","6","8","3","1","1") = "7"
    & skf18("1","6","6","8","3","2","1") = "7"
    & skf18("1","6","6","8","3","3","1") = "7"
    & skf18("1","6","6","8","3","4","1") = "7"
    & skf18("1","6","6","8","3","5","1") = "7"
    & skf18("1","6","6","8","3","6","1") = "7"
    & skf18("1","6","6","8","3","7","1") = "7"
    & skf18("1","6","6","8","3","8","1") = "7"
    & skf18("1","6","6","8","3","9","1") = "8"
    & skf18("1","6","6","8","3","10","1") = "9"
    & skf18("1","6","6","8","4","1","1") = "7"
    & skf18("1","6","6","8","4","2","1") = "7"
    & skf18("1","6","6","8","4","3","1") = "7"
    & skf18("1","6","6","8","4","4","1") = "7"
    & skf18("1","6","6","8","4","5","1") = "7"
    & skf18("1","6","6","8","4","6","1") = "7"
    & skf18("1","6","6","8","4","7","1") = "7"
    & skf18("1","6","6","8","4","8","1") = "7"
    & skf18("1","6","6","8","4","9","1") = "8"
    & skf18("1","6","6","8","4","10","1") = "9"
    & skf18("1","6","6","8","5","1","1") = "7"
    & skf18("1","6","6","8","5","2","1") = "7"
    & skf18("1","6","6","8","5","3","1") = "7"
    & skf18("1","6","6","8","5","4","1") = "7"
    & skf18("1","6","6","8","5","5","1") = "7"
    & skf18("1","6","6","8","5","6","1") = "7"
    & skf18("1","6","6","8","5","7","1") = "7"
    & skf18("1","6","6","8","5","8","1") = "7"
    & skf18("1","6","6","8","5","9","1") = "8"
    & skf18("1","6","6","8","5","10","1") = "9"
    & skf18("1","6","6","8","6","1","1") = "7"
    & skf18("1","6","6","8","6","2","1") = "7"
    & skf18("1","6","6","8","6","3","1") = "7"
    & skf18("1","6","6","8","6","4","1") = "7"
    & skf18("1","6","6","8","6","5","1") = "7"
    & skf18("1","6","6","8","6","6","1") = "7"
    & skf18("1","6","6","8","6","7","1") = "7"
    & skf18("1","6","6","8","6","8","1") = "7"
    & skf18("1","6","6","8","6","9","1") = "8"
    & skf18("1","6","6","8","6","10","1") = "9"
    & skf18("1","6","6","8","7","1","1") = "7"
    & skf18("1","6","6","8","7","2","1") = "7"
    & skf18("1","6","6","8","7","3","1") = "7"
    & skf18("1","6","6","8","7","4","1") = "7"
    & skf18("1","6","6","8","7","5","1") = "7"
    & skf18("1","6","6","8","7","6","1") = "7"
    & skf18("1","6","6","8","7","7","1") = "7"
    & skf18("1","6","6","8","7","8","1") = "7"
    & skf18("1","6","6","8","7","9","1") = "8"
    & skf18("1","6","6","8","7","10","1") = "9"
    & skf18("1","6","6","8","8","1","1") = "7"
    & skf18("1","6","6","8","8","2","1") = "7"
    & skf18("1","6","6","8","8","3","1") = "7"
    & skf18("1","6","6","8","8","4","1") = "7"
    & skf18("1","6","6","8","8","5","1") = "7"
    & skf18("1","6","6","8","8","6","1") = "7"
    & skf18("1","6","6","8","8","7","1") = "7"
    & skf18("1","6","6","8","8","8","1") = "7"
    & skf18("1","6","6","8","8","9","1") = "8"
    & skf18("1","6","6","8","8","10","1") = "9"
    & skf18("1","6","6","8","9","1","1") = "8"
    & skf18("1","6","6","8","9","2","1") = "8"
    & skf18("1","6","6","8","9","3","1") = "8"
    & skf18("1","6","6","8","9","4","1") = "8"
    & skf18("1","6","6","8","9","5","1") = "8"
    & skf18("1","6","6","8","9","6","1") = "8"
    & skf18("1","6","6","8","9","7","1") = "8"
    & skf18("1","6","6","8","9","8","1") = "8"
    & skf18("1","6","6","8","9","9","1") = "8"
    & skf18("1","6","6","8","9","10","1") = "9"
    & skf18("1","6","6","8","10","1","1") = "9"
    & skf18("1","6","6","8","10","2","1") = "9"
    & skf18("1","6","6","8","10","3","1") = "9"
    & skf18("1","6","6","8","10","4","1") = "9"
    & skf18("1","6","6","8","10","5","1") = "9"
    & skf18("1","6","6","8","10","6","1") = "9"
    & skf18("1","6","6","8","10","7","1") = "9"
    & skf18("1","6","6","8","10","8","1") = "9"
    & skf18("1","6","6","8","10","9","1") = "9"
    & skf18("1","6","6","8","10","10","1") = "9"
    & skf18("1","6","6","9","1","1","1") = "8"
    & skf18("1","6","6","9","1","2","1") = "8"
    & skf18("1","6","6","9","1","3","1") = "8"
    & skf18("1","6","6","9","1","4","1") = "8"
    & skf18("1","6","6","9","1","5","1") = "8"
    & skf18("1","6","6","9","1","6","1") = "8"
    & skf18("1","6","6","9","1","7","1") = "8"
    & skf18("1","6","6","9","1","8","1") = "8"
    & skf18("1","6","6","9","1","9","1") = "8"
    & skf18("1","6","6","9","1","10","1") = "9"
    & skf18("1","6","6","9","2","1","1") = "8"
    & skf18("1","6","6","9","2","2","1") = "8"
    & skf18("1","6","6","9","2","3","1") = "8"
    & skf18("1","6","6","9","2","4","1") = "8"
    & skf18("1","6","6","9","2","5","1") = "8"
    & skf18("1","6","6","9","2","6","1") = "8"
    & skf18("1","6","6","9","2","7","1") = "8"
    & skf18("1","6","6","9","2","8","1") = "8"
    & skf18("1","6","6","9","2","9","1") = "8"
    & skf18("1","6","6","9","2","10","1") = "9"
    & skf18("1","6","6","9","3","1","1") = "8"
    & skf18("1","6","6","9","3","2","1") = "8"
    & skf18("1","6","6","9","3","3","1") = "8"
    & skf18("1","6","6","9","3","4","1") = "8"
    & skf18("1","6","6","9","3","5","1") = "8"
    & skf18("1","6","6","9","3","6","1") = "8"
    & skf18("1","6","6","9","3","7","1") = "8"
    & skf18("1","6","6","9","3","8","1") = "8"
    & skf18("1","6","6","9","3","9","1") = "8"
    & skf18("1","6","6","9","3","10","1") = "9"
    & skf18("1","6","6","9","4","1","1") = "8"
    & skf18("1","6","6","9","4","2","1") = "8"
    & skf18("1","6","6","9","4","3","1") = "8"
    & skf18("1","6","6","9","4","4","1") = "8"
    & skf18("1","6","6","9","4","5","1") = "8"
    & skf18("1","6","6","9","4","6","1") = "8"
    & skf18("1","6","6","9","4","7","1") = "8"
    & skf18("1","6","6","9","4","8","1") = "8"
    & skf18("1","6","6","9","4","9","1") = "8"
    & skf18("1","6","6","9","4","10","1") = "9"
    & skf18("1","6","6","9","5","1","1") = "8"
    & skf18("1","6","6","9","5","2","1") = "8"
    & skf18("1","6","6","9","5","3","1") = "8"
    & skf18("1","6","6","9","5","4","1") = "8"
    & skf18("1","6","6","9","5","5","1") = "8"
    & skf18("1","6","6","9","5","6","1") = "8"
    & skf18("1","6","6","9","5","7","1") = "8"
    & skf18("1","6","6","9","5","8","1") = "8"
    & skf18("1","6","6","9","5","9","1") = "8"
    & skf18("1","6","6","9","5","10","1") = "9"
    & skf18("1","6","6","9","6","1","1") = "8"
    & skf18("1","6","6","9","6","2","1") = "8"
    & skf18("1","6","6","9","6","3","1") = "8"
    & skf18("1","6","6","9","6","4","1") = "8"
    & skf18("1","6","6","9","6","5","1") = "8"
    & skf18("1","6","6","9","6","6","1") = "8"
    & skf18("1","6","6","9","6","7","1") = "8"
    & skf18("1","6","6","9","6","8","1") = "8"
    & skf18("1","6","6","9","6","9","1") = "8"
    & skf18("1","6","6","9","6","10","1") = "9"
    & skf18("1","6","6","9","7","1","1") = "8"
    & skf18("1","6","6","9","7","2","1") = "8"
    & skf18("1","6","6","9","7","3","1") = "8"
    & skf18("1","6","6","9","7","4","1") = "8"
    & skf18("1","6","6","9","7","5","1") = "8"
    & skf18("1","6","6","9","7","6","1") = "8"
    & skf18("1","6","6","9","7","7","1") = "8"
    & skf18("1","6","6","9","7","8","1") = "8"
    & skf18("1","6","6","9","7","9","1") = "8"
    & skf18("1","6","6","9","7","10","1") = "9"
    & skf18("1","6","6","9","8","1","1") = "8"
    & skf18("1","6","6","9","8","2","1") = "8"
    & skf18("1","6","6","9","8","3","1") = "8"
    & skf18("1","6","6","9","8","4","1") = "8"
    & skf18("1","6","6","9","8","5","1") = "8"
    & skf18("1","6","6","9","8","6","1") = "8"
    & skf18("1","6","6","9","8","7","1") = "8"
    & skf18("1","6","6","9","8","8","1") = "8"
    & skf18("1","6","6","9","8","9","1") = "8"
    & skf18("1","6","6","9","8","10","1") = "9"
    & skf18("1","6","6","9","9","1","1") = "8"
    & skf18("1","6","6","9","9","2","1") = "8"
    & skf18("1","6","6","9","9","3","1") = "8"
    & skf18("1","6","6","9","9","4","1") = "8"
    & skf18("1","6","6","9","9","5","1") = "8"
    & skf18("1","6","6","9","9","6","1") = "8"
    & skf18("1","6","6","9","9","7","1") = "8"
    & skf18("1","6","6","9","9","8","1") = "8"
    & skf18("1","6","6","9","9","9","1") = "8"
    & skf18("1","6","6","9","9","10","1") = "9"
    & skf18("1","6","6","9","10","1","1") = "9"
    & skf18("1","6","6","9","10","2","1") = "9"
    & skf18("1","6","6","9","10","3","1") = "9"
    & skf18("1","6","6","9","10","4","1") = "9"
    & skf18("1","6","6","9","10","5","1") = "9"
    & skf18("1","6","6","9","10","6","1") = "9"
    & skf18("1","6","6","9","10","7","1") = "9"
    & skf18("1","6","6","9","10","8","1") = "9"
    & skf18("1","6","6","9","10","9","1") = "9"
    & skf18("1","6","6","9","10","10","1") = "9"
    & skf18("1","6","6","10","1","1","1") = "9"
    & skf18("1","6","6","10","1","2","1") = "9"
    & skf18("1","6","6","10","1","3","1") = "9"
    & skf18("1","6","6","10","1","4","1") = "9"
    & skf18("1","6","6","10","1","5","1") = "9"
    & skf18("1","6","6","10","1","6","1") = "9"
    & skf18("1","6","6","10","1","7","1") = "9"
    & skf18("1","6","6","10","1","8","1") = "9"
    & skf18("1","6","6","10","1","9","1") = "9"
    & skf18("1","6","6","10","1","10","1") = "9"
    & skf18("1","6","6","10","2","1","1") = "9"
    & skf18("1","6","6","10","2","2","1") = "9"
    & skf18("1","6","6","10","2","3","1") = "9"
    & skf18("1","6","6","10","2","4","1") = "9"
    & skf18("1","6","6","10","2","5","1") = "9"
    & skf18("1","6","6","10","2","6","1") = "9"
    & skf18("1","6","6","10","2","7","1") = "9"
    & skf18("1","6","6","10","2","8","1") = "9"
    & skf18("1","6","6","10","2","9","1") = "9"
    & skf18("1","6","6","10","2","10","1") = "9"
    & skf18("1","6","6","10","3","1","1") = "9"
    & skf18("1","6","6","10","3","2","1") = "9"
    & skf18("1","6","6","10","3","3","1") = "9"
    & skf18("1","6","6","10","3","4","1") = "9"
    & skf18("1","6","6","10","3","5","1") = "9"
    & skf18("1","6","6","10","3","6","1") = "9"
    & skf18("1","6","6","10","3","7","1") = "9"
    & skf18("1","6","6","10","3","8","1") = "9"
    & skf18("1","6","6","10","3","9","1") = "9"
    & skf18("1","6","6","10","3","10","1") = "9"
    & skf18("1","6","6","10","4","1","1") = "9"
    & skf18("1","6","6","10","4","2","1") = "9"
    & skf18("1","6","6","10","4","3","1") = "9"
    & skf18("1","6","6","10","4","4","1") = "9"
    & skf18("1","6","6","10","4","5","1") = "9"
    & skf18("1","6","6","10","4","6","1") = "9"
    & skf18("1","6","6","10","4","7","1") = "9"
    & skf18("1","6","6","10","4","8","1") = "9"
    & skf18("1","6","6","10","4","9","1") = "9"
    & skf18("1","6","6","10","4","10","1") = "9"
    & skf18("1","6","6","10","5","1","1") = "9"
    & skf18("1","6","6","10","5","2","1") = "9"
    & skf18("1","6","6","10","5","3","1") = "9"
    & skf18("1","6","6","10","5","4","1") = "9"
    & skf18("1","6","6","10","5","5","1") = "9"
    & skf18("1","6","6","10","5","6","1") = "9"
    & skf18("1","6","6","10","5","7","1") = "9"
    & skf18("1","6","6","10","5","8","1") = "9"
    & skf18("1","6","6","10","5","9","1") = "9"
    & skf18("1","6","6","10","5","10","1") = "9"
    & skf18("1","6","6","10","6","1","1") = "9"
    & skf18("1","6","6","10","6","2","1") = "9"
    & skf18("1","6","6","10","6","3","1") = "9"
    & skf18("1","6","6","10","6","4","1") = "9"
    & skf18("1","6","6","10","6","5","1") = "9"
    & skf18("1","6","6","10","6","6","1") = "9"
    & skf18("1","6","6","10","6","7","1") = "9"
    & skf18("1","6","6","10","6","8","1") = "9"
    & skf18("1","6","6","10","6","9","1") = "9"
    & skf18("1","6","6","10","6","10","1") = "9"
    & skf18("1","6","6","10","7","1","1") = "9"
    & skf18("1","6","6","10","7","2","1") = "9"
    & skf18("1","6","6","10","7","3","1") = "9"
    & skf18("1","6","6","10","7","4","1") = "9"
    & skf18("1","6","6","10","7","5","1") = "9"
    & skf18("1","6","6","10","7","6","1") = "9"
    & skf18("1","6","6","10","7","7","1") = "9"
    & skf18("1","6","6","10","7","8","1") = "9"
    & skf18("1","6","6","10","7","9","1") = "9"
    & skf18("1","6","6","10","7","10","1") = "9"
    & skf18("1","6","6","10","8","1","1") = "9"
    & skf18("1","6","6","10","8","2","1") = "9"
    & skf18("1","6","6","10","8","3","1") = "9"
    & skf18("1","6","6","10","8","4","1") = "9"
    & skf18("1","6","6","10","8","5","1") = "9"
    & skf18("1","6","6","10","8","6","1") = "9"
    & skf18("1","6","6","10","8","7","1") = "9"
    & skf18("1","6","6","10","8","8","1") = "9"
    & skf18("1","6","6","10","8","9","1") = "9"
    & skf18("1","6","6","10","8","10","1") = "9"
    & skf18("1","6","6","10","9","1","1") = "9"
    & skf18("1","6","6","10","9","2","1") = "9"
    & skf18("1","6","6","10","9","3","1") = "9"
    & skf18("1","6","6","10","9","4","1") = "9"
    & skf18("1","6","6","10","9","5","1") = "9"
    & skf18("1","6","6","10","9","6","1") = "9"
    & skf18("1","6","6","10","9","7","1") = "9"
    & skf18("1","6","6","10","9","8","1") = "9"
    & skf18("1","6","6","10","9","9","1") = "9"
    & skf18("1","6","6","10","9","10","1") = "9"
    & skf18("1","6","6","10","10","1","1") = "9"
    & skf18("1","6","6","10","10","2","1") = "9"
    & skf18("1","6","6","10","10","3","1") = "9"
    & skf18("1","6","6","10","10","4","1") = "9"
    & skf18("1","6","6","10","10","5","1") = "9"
    & skf18("1","6","6","10","10","6","1") = "9"
    & skf18("1","6","6","10","10","7","1") = "9"
    & skf18("1","6","6","10","10","8","1") = "9"
    & skf18("1","6","6","10","10","9","1") = "9"
    & skf18("1","6","6","10","10","10","1") = "9"
    & skf18("1","6","7","1","1","1","1") = "6"
    & skf18("1","6","7","1","1","2","1") = "6"
    & skf18("1","6","7","1","1","3","1") = "6"
    & skf18("1","6","7","1","1","4","1") = "6"
    & skf18("1","6","7","1","1","5","1") = "6"
    & skf18("1","6","7","1","1","6","1") = "6"
    & skf18("1","6","7","1","1","7","1") = "6"
    & skf18("1","6","7","1","1","8","1") = "7"
    & skf18("1","6","7","1","1","9","1") = "8"
    & skf18("1","6","7","1","1","10","1") = "9"
    & skf18("1","6","7","1","2","1","1") = "6"
    & skf18("1","6","7","1","2","2","1") = "6"
    & skf18("1","6","7","1","2","3","1") = "6"
    & skf18("1","6","7","1","2","4","1") = "6"
    & skf18("1","6","7","1","2","5","1") = "6"
    & skf18("1","6","7","1","2","6","1") = "6"
    & skf18("1","6","7","1","2","7","1") = "6"
    & skf18("1","6","7","1","2","8","1") = "7"
    & skf18("1","6","7","1","2","9","1") = "8"
    & skf18("1","6","7","1","2","10","1") = "9"
    & skf18("1","6","7","1","3","1","1") = "6"
    & skf18("1","6","7","1","3","2","1") = "6"
    & skf18("1","6","7","1","3","3","1") = "6"
    & skf18("1","6","7","1","3","4","1") = "6"
    & skf18("1","6","7","1","3","5","1") = "6"
    & skf18("1","6","7","1","3","6","1") = "6"
    & skf18("1","6","7","1","3","7","1") = "6"
    & skf18("1","6","7","1","3","8","1") = "7"
    & skf18("1","6","7","1","3","9","1") = "8"
    & skf18("1","6","7","1","3","10","1") = "9"
    & skf18("1","6","7","1","4","1","1") = "6"
    & skf18("1","6","7","1","4","2","1") = "6"
    & skf18("1","6","7","1","4","3","1") = "6"
    & skf18("1","6","7","1","4","4","1") = "6"
    & skf18("1","6","7","1","4","5","1") = "6"
    & skf18("1","6","7","1","4","6","1") = "6"
    & skf18("1","6","7","1","4","7","1") = "6"
    & skf18("1","6","7","1","4","8","1") = "7"
    & skf18("1","6","7","1","4","9","1") = "8"
    & skf18("1","6","7","1","4","10","1") = "9"
    & skf18("1","6","7","1","5","1","1") = "6"
    & skf18("1","6","7","1","5","2","1") = "6"
    & skf18("1","6","7","1","5","3","1") = "6"
    & skf18("1","6","7","1","5","4","1") = "6"
    & skf18("1","6","7","1","5","5","1") = "6"
    & skf18("1","6","7","1","5","6","1") = "6"
    & skf18("1","6","7","1","5","7","1") = "6"
    & skf18("1","6","7","1","5","8","1") = "7"
    & skf18("1","6","7","1","5","9","1") = "8"
    & skf18("1","6","7","1","5","10","1") = "9"
    & skf18("1","6","7","1","6","1","1") = "6"
    & skf18("1","6","7","1","6","2","1") = "6"
    & skf18("1","6","7","1","6","3","1") = "6"
    & skf18("1","6","7","1","6","4","1") = "6"
    & skf18("1","6","7","1","6","5","1") = "6"
    & skf18("1","6","7","1","6","6","1") = "6"
    & skf18("1","6","7","1","6","7","1") = "6"
    & skf18("1","6","7","1","6","8","1") = "7"
    & skf18("1","6","7","1","6","9","1") = "8"
    & skf18("1","6","7","1","6","10","1") = "9"
    & skf18("1","6","7","1","7","1","1") = "6"
    & skf18("1","6","7","1","7","2","1") = "6"
    & skf18("1","6","7","1","7","3","1") = "6"
    & skf18("1","6","7","1","7","4","1") = "6"
    & skf18("1","6","7","1","7","5","1") = "6"
    & skf18("1","6","7","1","7","6","1") = "6"
    & skf18("1","6","7","1","7","7","1") = "6"
    & skf18("1","6","7","1","7","8","1") = "7"
    & skf18("1","6","7","1","7","9","1") = "8"
    & skf18("1","6","7","1","7","10","1") = "9"
    & skf18("1","6","7","1","8","1","1") = "7"
    & skf18("1","6","7","1","8","2","1") = "7"
    & skf18("1","6","7","1","8","3","1") = "7"
    & skf18("1","6","7","1","8","4","1") = "7"
    & skf18("1","6","7","1","8","5","1") = "7"
    & skf18("1","6","7","1","8","6","1") = "7"
    & skf18("1","6","7","1","8","7","1") = "7"
    & skf18("1","6","7","1","8","8","1") = "7"
    & skf18("1","6","7","1","8","9","1") = "8"
    & skf18("1","6","7","1","8","10","1") = "9"
    & skf18("1","6","7","1","9","1","1") = "8"
    & skf18("1","6","7","1","9","2","1") = "8"
    & skf18("1","6","7","1","9","3","1") = "8"
    & skf18("1","6","7","1","9","4","1") = "8"
    & skf18("1","6","7","1","9","5","1") = "8"
    & skf18("1","6","7","1","9","6","1") = "8"
    & skf18("1","6","7","1","9","7","1") = "8"
    & skf18("1","6","7","1","9","8","1") = "8"
    & skf18("1","6","7","1","9","9","1") = "8"
    & skf18("1","6","7","1","9","10","1") = "9"
    & skf18("1","6","7","1","10","1","1") = "9"
    & skf18("1","6","7","1","10","2","1") = "9"
    & skf18("1","6","7","1","10","3","1") = "9"
    & skf18("1","6","7","1","10","4","1") = "9"
    & skf18("1","6","7","1","10","5","1") = "9"
    & skf18("1","6","7","1","10","6","1") = "9"
    & skf18("1","6","7","1","10","7","1") = "9"
    & skf18("1","6","7","1","10","8","1") = "9"
    & skf18("1","6","7","1","10","9","1") = "9"
    & skf18("1","6","7","1","10","10","1") = "9"
    & skf18("1","6","7","2","1","1","1") = "6"
    & skf18("1","6","7","2","1","2","1") = "6"
    & skf18("1","6","7","2","1","3","1") = "6"
    & skf18("1","6","7","2","1","4","1") = "6"
    & skf18("1","6","7","2","1","5","1") = "6"
    & skf18("1","6","7","2","1","6","1") = "6"
    & skf18("1","6","7","2","1","7","1") = "6"
    & skf18("1","6","7","2","1","8","1") = "7"
    & skf18("1","6","7","2","1","9","1") = "8"
    & skf18("1","6","7","2","1","10","1") = "9"
    & skf18("1","6","7","2","2","1","1") = "6"
    & skf18("1","6","7","2","2","2","1") = "6"
    & skf18("1","6","7","2","2","3","1") = "6"
    & skf18("1","6","7","2","2","4","1") = "6"
    & skf18("1","6","7","2","2","5","1") = "6"
    & skf18("1","6","7","2","2","6","1") = "6"
    & skf18("1","6","7","2","2","7","1") = "6"
    & skf18("1","6","7","2","2","8","1") = "7"
    & skf18("1","6","7","2","2","9","1") = "8"
    & skf18("1","6","7","2","2","10","1") = "9"
    & skf18("1","6","7","2","3","1","1") = "6"
    & skf18("1","6","7","2","3","2","1") = "6"
    & skf18("1","6","7","2","3","3","1") = "6"
    & skf18("1","6","7","2","3","4","1") = "6"
    & skf18("1","6","7","2","3","5","1") = "6"
    & skf18("1","6","7","2","3","6","1") = "6"
    & skf18("1","6","7","2","3","7","1") = "6"
    & skf18("1","6","7","2","3","8","1") = "7"
    & skf18("1","6","7","2","3","9","1") = "8"
    & skf18("1","6","7","2","3","10","1") = "9"
    & skf18("1","6","7","2","4","1","1") = "6"
    & skf18("1","6","7","2","4","2","1") = "6"
    & skf18("1","6","7","2","4","3","1") = "6"
    & skf18("1","6","7","2","4","4","1") = "6"
    & skf18("1","6","7","2","4","5","1") = "6"
    & skf18("1","6","7","2","4","6","1") = "6"
    & skf18("1","6","7","2","4","7","1") = "6"
    & skf18("1","6","7","2","4","8","1") = "7"
    & skf18("1","6","7","2","4","9","1") = "8"
    & skf18("1","6","7","2","4","10","1") = "9"
    & skf18("1","6","7","2","5","1","1") = "6"
    & skf18("1","6","7","2","5","2","1") = "6"
    & skf18("1","6","7","2","5","3","1") = "6"
    & skf18("1","6","7","2","5","4","1") = "6"
    & skf18("1","6","7","2","5","5","1") = "6"
    & skf18("1","6","7","2","5","6","1") = "6"
    & skf18("1","6","7","2","5","7","1") = "6"
    & skf18("1","6","7","2","5","8","1") = "7"
    & skf18("1","6","7","2","5","9","1") = "8"
    & skf18("1","6","7","2","5","10","1") = "9"
    & skf18("1","6","7","2","6","1","1") = "6"
    & skf18("1","6","7","2","6","2","1") = "6"
    & skf18("1","6","7","2","6","3","1") = "6"
    & skf18("1","6","7","2","6","4","1") = "6"
    & skf18("1","6","7","2","6","5","1") = "6"
    & skf18("1","6","7","2","6","6","1") = "6"
    & skf18("1","6","7","2","6","7","1") = "6"
    & skf18("1","6","7","2","6","8","1") = "7"
    & skf18("1","6","7","2","6","9","1") = "8"
    & skf18("1","6","7","2","6","10","1") = "9"
    & skf18("1","6","7","2","7","1","1") = "6"
    & skf18("1","6","7","2","7","2","1") = "6"
    & skf18("1","6","7","2","7","3","1") = "6"
    & skf18("1","6","7","2","7","4","1") = "6"
    & skf18("1","6","7","2","7","5","1") = "6"
    & skf18("1","6","7","2","7","6","1") = "6"
    & skf18("1","6","7","2","7","7","1") = "6"
    & skf18("1","6","7","2","7","8","1") = "7"
    & skf18("1","6","7","2","7","9","1") = "8"
    & skf18("1","6","7","2","7","10","1") = "9"
    & skf18("1","6","7","2","8","1","1") = "7"
    & skf18("1","6","7","2","8","2","1") = "7"
    & skf18("1","6","7","2","8","3","1") = "7"
    & skf18("1","6","7","2","8","4","1") = "7"
    & skf18("1","6","7","2","8","5","1") = "7"
    & skf18("1","6","7","2","8","6","1") = "7"
    & skf18("1","6","7","2","8","7","1") = "7"
    & skf18("1","6","7","2","8","8","1") = "7"
    & skf18("1","6","7","2","8","9","1") = "8"
    & skf18("1","6","7","2","8","10","1") = "9"
    & skf18("1","6","7","2","9","1","1") = "8"
    & skf18("1","6","7","2","9","2","1") = "8"
    & skf18("1","6","7","2","9","3","1") = "8"
    & skf18("1","6","7","2","9","4","1") = "8"
    & skf18("1","6","7","2","9","5","1") = "8"
    & skf18("1","6","7","2","9","6","1") = "8"
    & skf18("1","6","7","2","9","7","1") = "8"
    & skf18("1","6","7","2","9","8","1") = "8"
    & skf18("1","6","7","2","9","9","1") = "8"
    & skf18("1","6","7","2","9","10","1") = "9"
    & skf18("1","6","7","2","10","1","1") = "9"
    & skf18("1","6","7","2","10","2","1") = "9"
    & skf18("1","6","7","2","10","3","1") = "9"
    & skf18("1","6","7","2","10","4","1") = "9"
    & skf18("1","6","7","2","10","5","1") = "9"
    & skf18("1","6","7","2","10","6","1") = "9"
    & skf18("1","6","7","2","10","7","1") = "9"
    & skf18("1","6","7","2","10","8","1") = "9"
    & skf18("1","6","7","2","10","9","1") = "9"
    & skf18("1","6","7","2","10","10","1") = "9"
    & skf18("1","6","7","3","1","1","1") = "6"
    & skf18("1","6","7","3","1","2","1") = "6"
    & skf18("1","6","7","3","1","3","1") = "6"
    & skf18("1","6","7","3","1","4","1") = "6"
    & skf18("1","6","7","3","1","5","1") = "6"
    & skf18("1","6","7","3","1","6","1") = "6"
    & skf18("1","6","7","3","1","7","1") = "6"
    & skf18("1","6","7","3","1","8","1") = "7"
    & skf18("1","6","7","3","1","9","1") = "8"
    & skf18("1","6","7","3","1","10","1") = "9"
    & skf18("1","6","7","3","2","1","1") = "6"
    & skf18("1","6","7","3","2","2","1") = "6"
    & skf18("1","6","7","3","2","3","1") = "6"
    & skf18("1","6","7","3","2","4","1") = "6"
    & skf18("1","6","7","3","2","5","1") = "6"
    & skf18("1","6","7","3","2","6","1") = "6"
    & skf18("1","6","7","3","2","7","1") = "6"
    & skf18("1","6","7","3","2","8","1") = "7"
    & skf18("1","6","7","3","2","9","1") = "8"
    & skf18("1","6","7","3","2","10","1") = "9"
    & skf18("1","6","7","3","3","1","1") = "6"
    & skf18("1","6","7","3","3","2","1") = "6"
    & skf18("1","6","7","3","3","3","1") = "6"
    & skf18("1","6","7","3","3","4","1") = "6"
    & skf18("1","6","7","3","3","5","1") = "6"
    & skf18("1","6","7","3","3","6","1") = "6"
    & skf18("1","6","7","3","3","7","1") = "6"
    & skf18("1","6","7","3","3","8","1") = "7"
    & skf18("1","6","7","3","3","9","1") = "8"
    & skf18("1","6","7","3","3","10","1") = "9"
    & skf18("1","6","7","3","4","1","1") = "6"
    & skf18("1","6","7","3","4","2","1") = "6"
    & skf18("1","6","7","3","4","3","1") = "6"
    & skf18("1","6","7","3","4","4","1") = "6"
    & skf18("1","6","7","3","4","5","1") = "6"
    & skf18("1","6","7","3","4","6","1") = "6"
    & skf18("1","6","7","3","4","7","1") = "6"
    & skf18("1","6","7","3","4","8","1") = "7"
    & skf18("1","6","7","3","4","9","1") = "8"
    & skf18("1","6","7","3","4","10","1") = "9"
    & skf18("1","6","7","3","5","1","1") = "6"
    & skf18("1","6","7","3","5","2","1") = "6"
    & skf18("1","6","7","3","5","3","1") = "6"
    & skf18("1","6","7","3","5","4","1") = "6"
    & skf18("1","6","7","3","5","5","1") = "6"
    & skf18("1","6","7","3","5","6","1") = "6"
    & skf18("1","6","7","3","5","7","1") = "6"
    & skf18("1","6","7","3","5","8","1") = "7"
    & skf18("1","6","7","3","5","9","1") = "8"
    & skf18("1","6","7","3","5","10","1") = "9"
    & skf18("1","6","7","3","6","1","1") = "6"
    & skf18("1","6","7","3","6","2","1") = "6"
    & skf18("1","6","7","3","6","3","1") = "6"
    & skf18("1","6","7","3","6","4","1") = "6"
    & skf18("1","6","7","3","6","5","1") = "6"
    & skf18("1","6","7","3","6","6","1") = "6"
    & skf18("1","6","7","3","6","7","1") = "6"
    & skf18("1","6","7","3","6","8","1") = "7"
    & skf18("1","6","7","3","6","9","1") = "8"
    & skf18("1","6","7","3","6","10","1") = "9"
    & skf18("1","6","7","3","7","1","1") = "6"
    & skf18("1","6","7","3","7","2","1") = "6"
    & skf18("1","6","7","3","7","3","1") = "6"
    & skf18("1","6","7","3","7","4","1") = "6"
    & skf18("1","6","7","3","7","5","1") = "6"
    & skf18("1","6","7","3","7","6","1") = "6"
    & skf18("1","6","7","3","7","7","1") = "6"
    & skf18("1","6","7","3","7","8","1") = "7"
    & skf18("1","6","7","3","7","9","1") = "8"
    & skf18("1","6","7","3","7","10","1") = "9"
    & skf18("1","6","7","3","8","1","1") = "7"
    & skf18("1","6","7","3","8","2","1") = "7"
    & skf18("1","6","7","3","8","3","1") = "7"
    & skf18("1","6","7","3","8","4","1") = "7"
    & skf18("1","6","7","3","8","5","1") = "7"
    & skf18("1","6","7","3","8","6","1") = "7"
    & skf18("1","6","7","3","8","7","1") = "7"
    & skf18("1","6","7","3","8","8","1") = "7"
    & skf18("1","6","7","3","8","9","1") = "8"
    & skf18("1","6","7","3","8","10","1") = "9"
    & skf18("1","6","7","3","9","1","1") = "8"
    & skf18("1","6","7","3","9","2","1") = "8"
    & skf18("1","6","7","3","9","3","1") = "8"
    & skf18("1","6","7","3","9","4","1") = "8"
    & skf18("1","6","7","3","9","5","1") = "8"
    & skf18("1","6","7","3","9","6","1") = "8"
    & skf18("1","6","7","3","9","7","1") = "8"
    & skf18("1","6","7","3","9","8","1") = "8"
    & skf18("1","6","7","3","9","9","1") = "8"
    & skf18("1","6","7","3","9","10","1") = "9"
    & skf18("1","6","7","3","10","1","1") = "9"
    & skf18("1","6","7","3","10","2","1") = "9"
    & skf18("1","6","7","3","10","3","1") = "9"
    & skf18("1","6","7","3","10","4","1") = "9"
    & skf18("1","6","7","3","10","5","1") = "9"
    & skf18("1","6","7","3","10","6","1") = "9"
    & skf18("1","6","7","3","10","7","1") = "9"
    & skf18("1","6","7","3","10","8","1") = "9"
    & skf18("1","6","7","3","10","9","1") = "9"
    & skf18("1","6","7","3","10","10","1") = "9"
    & skf18("1","6","7","4","1","1","1") = "6"
    & skf18("1","6","7","4","1","2","1") = "6"
    & skf18("1","6","7","4","1","3","1") = "6"
    & skf18("1","6","7","4","1","4","1") = "6"
    & skf18("1","6","7","4","1","5","1") = "6"
    & skf18("1","6","7","4","1","6","1") = "6"
    & skf18("1","6","7","4","1","7","1") = "6"
    & skf18("1","6","7","4","1","8","1") = "7"
    & skf18("1","6","7","4","1","9","1") = "8"
    & skf18("1","6","7","4","1","10","1") = "9"
    & skf18("1","6","7","4","2","1","1") = "6"
    & skf18("1","6","7","4","2","2","1") = "6"
    & skf18("1","6","7","4","2","3","1") = "6"
    & skf18("1","6","7","4","2","4","1") = "6"
    & skf18("1","6","7","4","2","5","1") = "6"
    & skf18("1","6","7","4","2","6","1") = "6"
    & skf18("1","6","7","4","2","7","1") = "6"
    & skf18("1","6","7","4","2","8","1") = "7"
    & skf18("1","6","7","4","2","9","1") = "8"
    & skf18("1","6","7","4","2","10","1") = "9"
    & skf18("1","6","7","4","3","1","1") = "6"
    & skf18("1","6","7","4","3","2","1") = "6"
    & skf18("1","6","7","4","3","3","1") = "6"
    & skf18("1","6","7","4","3","4","1") = "6"
    & skf18("1","6","7","4","3","5","1") = "6"
    & skf18("1","6","7","4","3","6","1") = "6"
    & skf18("1","6","7","4","3","7","1") = "6"
    & skf18("1","6","7","4","3","8","1") = "7"
    & skf18("1","6","7","4","3","9","1") = "8"
    & skf18("1","6","7","4","3","10","1") = "9"
    & skf18("1","6","7","4","4","1","1") = "6"
    & skf18("1","6","7","4","4","2","1") = "6"
    & skf18("1","6","7","4","4","3","1") = "6"
    & skf18("1","6","7","4","4","4","1") = "6"
    & skf18("1","6","7","4","4","5","1") = "6"
    & skf18("1","6","7","4","4","6","1") = "6"
    & skf18("1","6","7","4","4","7","1") = "6"
    & skf18("1","6","7","4","4","8","1") = "7"
    & skf18("1","6","7","4","4","9","1") = "8"
    & skf18("1","6","7","4","4","10","1") = "9"
    & skf18("1","6","7","4","5","1","1") = "6"
    & skf18("1","6","7","4","5","2","1") = "6"
    & skf18("1","6","7","4","5","3","1") = "6"
    & skf18("1","6","7","4","5","4","1") = "6"
    & skf18("1","6","7","4","5","5","1") = "6"
    & skf18("1","6","7","4","5","6","1") = "6"
    & skf18("1","6","7","4","5","7","1") = "6"
    & skf18("1","6","7","4","5","8","1") = "7"
    & skf18("1","6","7","4","5","9","1") = "8"
    & skf18("1","6","7","4","5","10","1") = "9"
    & skf18("1","6","7","4","6","1","1") = "6"
    & skf18("1","6","7","4","6","2","1") = "6"
    & skf18("1","6","7","4","6","3","1") = "6"
    & skf18("1","6","7","4","6","4","1") = "6"
    & skf18("1","6","7","4","6","5","1") = "6"
    & skf18("1","6","7","4","6","6","1") = "6"
    & skf18("1","6","7","4","6","7","1") = "6"
    & skf18("1","6","7","4","6","8","1") = "7"
    & skf18("1","6","7","4","6","9","1") = "8"
    & skf18("1","6","7","4","6","10","1") = "9"
    & skf18("1","6","7","4","7","1","1") = "6"
    & skf18("1","6","7","4","7","2","1") = "6"
    & skf18("1","6","7","4","7","3","1") = "6"
    & skf18("1","6","7","4","7","4","1") = "6"
    & skf18("1","6","7","4","7","5","1") = "6"
    & skf18("1","6","7","4","7","6","1") = "6"
    & skf18("1","6","7","4","7","7","1") = "6"
    & skf18("1","6","7","4","7","8","1") = "7"
    & skf18("1","6","7","4","7","9","1") = "8"
    & skf18("1","6","7","4","7","10","1") = "9"
    & skf18("1","6","7","4","8","1","1") = "7"
    & skf18("1","6","7","4","8","2","1") = "7"
    & skf18("1","6","7","4","8","3","1") = "7"
    & skf18("1","6","7","4","8","4","1") = "7"
    & skf18("1","6","7","4","8","5","1") = "7"
    & skf18("1","6","7","4","8","6","1") = "7"
    & skf18("1","6","7","4","8","7","1") = "7"
    & skf18("1","6","7","4","8","8","1") = "7"
    & skf18("1","6","7","4","8","9","1") = "8"
    & skf18("1","6","7","4","8","10","1") = "9"
    & skf18("1","6","7","4","9","1","1") = "8"
    & skf18("1","6","7","4","9","2","1") = "8"
    & skf18("1","6","7","4","9","3","1") = "8"
    & skf18("1","6","7","4","9","4","1") = "8"
    & skf18("1","6","7","4","9","5","1") = "8"
    & skf18("1","6","7","4","9","6","1") = "8"
    & skf18("1","6","7","4","9","7","1") = "8"
    & skf18("1","6","7","4","9","8","1") = "8"
    & skf18("1","6","7","4","9","9","1") = "8"
    & skf18("1","6","7","4","9","10","1") = "9"
    & skf18("1","6","7","4","10","1","1") = "9"
    & skf18("1","6","7","4","10","2","1") = "9"
    & skf18("1","6","7","4","10","3","1") = "9"
    & skf18("1","6","7","4","10","4","1") = "9"
    & skf18("1","6","7","4","10","5","1") = "9"
    & skf18("1","6","7","4","10","6","1") = "9"
    & skf18("1","6","7","4","10","7","1") = "9"
    & skf18("1","6","7","4","10","8","1") = "9"
    & skf18("1","6","7","4","10","9","1") = "9"
    & skf18("1","6","7","4","10","10","1") = "9"
    & skf18("1","6","7","5","1","1","1") = "6"
    & skf18("1","6","7","5","1","2","1") = "6"
    & skf18("1","6","7","5","1","3","1") = "6"
    & skf18("1","6","7","5","1","4","1") = "6"
    & skf18("1","6","7","5","1","5","1") = "6"
    & skf18("1","6","7","5","1","6","1") = "6"
    & skf18("1","6","7","5","1","7","1") = "6"
    & skf18("1","6","7","5","1","8","1") = "7"
    & skf18("1","6","7","5","1","9","1") = "8"
    & skf18("1","6","7","5","1","10","1") = "9"
    & skf18("1","6","7","5","2","1","1") = "6"
    & skf18("1","6","7","5","2","2","1") = "6"
    & skf18("1","6","7","5","2","3","1") = "6"
    & skf18("1","6","7","5","2","4","1") = "6"
    & skf18("1","6","7","5","2","5","1") = "6"
    & skf18("1","6","7","5","2","6","1") = "6"
    & skf18("1","6","7","5","2","7","1") = "6"
    & skf18("1","6","7","5","2","8","1") = "7"
    & skf18("1","6","7","5","2","9","1") = "8"
    & skf18("1","6","7","5","2","10","1") = "9"
    & skf18("1","6","7","5","3","1","1") = "6"
    & skf18("1","6","7","5","3","2","1") = "6"
    & skf18("1","6","7","5","3","3","1") = "6"
    & skf18("1","6","7","5","3","4","1") = "6"
    & skf18("1","6","7","5","3","5","1") = "6"
    & skf18("1","6","7","5","3","6","1") = "6"
    & skf18("1","6","7","5","3","7","1") = "6"
    & skf18("1","6","7","5","3","8","1") = "7"
    & skf18("1","6","7","5","3","9","1") = "8"
    & skf18("1","6","7","5","3","10","1") = "9"
    & skf18("1","6","7","5","4","1","1") = "6"
    & skf18("1","6","7","5","4","2","1") = "6"
    & skf18("1","6","7","5","4","3","1") = "6"
    & skf18("1","6","7","5","4","4","1") = "6"
    & skf18("1","6","7","5","4","5","1") = "6"
    & skf18("1","6","7","5","4","6","1") = "6"
    & skf18("1","6","7","5","4","7","1") = "6"
    & skf18("1","6","7","5","4","8","1") = "7"
    & skf18("1","6","7","5","4","9","1") = "8"
    & skf18("1","6","7","5","4","10","1") = "9"
    & skf18("1","6","7","5","5","1","1") = "6"
    & skf18("1","6","7","5","5","2","1") = "6"
    & skf18("1","6","7","5","5","3","1") = "6"
    & skf18("1","6","7","5","5","4","1") = "6"
    & skf18("1","6","7","5","5","5","1") = "6"
    & skf18("1","6","7","5","5","6","1") = "6"
    & skf18("1","6","7","5","5","7","1") = "6"
    & skf18("1","6","7","5","5","8","1") = "7"
    & skf18("1","6","7","5","5","9","1") = "8"
    & skf18("1","6","7","5","5","10","1") = "9"
    & skf18("1","6","7","5","6","1","1") = "6"
    & skf18("1","6","7","5","6","2","1") = "6"
    & skf18("1","6","7","5","6","3","1") = "6"
    & skf18("1","6","7","5","6","4","1") = "6"
    & skf18("1","6","7","5","6","5","1") = "6"
    & skf18("1","6","7","5","6","6","1") = "6"
    & skf18("1","6","7","5","6","7","1") = "6"
    & skf18("1","6","7","5","6","8","1") = "7"
    & skf18("1","6","7","5","6","9","1") = "8"
    & skf18("1","6","7","5","6","10","1") = "9"
    & skf18("1","6","7","5","7","1","1") = "6"
    & skf18("1","6","7","5","7","2","1") = "6"
    & skf18("1","6","7","5","7","3","1") = "6"
    & skf18("1","6","7","5","7","4","1") = "6"
    & skf18("1","6","7","5","7","5","1") = "6"
    & skf18("1","6","7","5","7","6","1") = "6"
    & skf18("1","6","7","5","7","7","1") = "6"
    & skf18("1","6","7","5","7","8","1") = "7"
    & skf18("1","6","7","5","7","9","1") = "8"
    & skf18("1","6","7","5","7","10","1") = "9"
    & skf18("1","6","7","5","8","1","1") = "7"
    & skf18("1","6","7","5","8","2","1") = "7"
    & skf18("1","6","7","5","8","3","1") = "7"
    & skf18("1","6","7","5","8","4","1") = "7"
    & skf18("1","6","7","5","8","5","1") = "7"
    & skf18("1","6","7","5","8","6","1") = "7"
    & skf18("1","6","7","5","8","7","1") = "7"
    & skf18("1","6","7","5","8","8","1") = "7"
    & skf18("1","6","7","5","8","9","1") = "8"
    & skf18("1","6","7","5","8","10","1") = "9"
    & skf18("1","6","7","5","9","1","1") = "8"
    & skf18("1","6","7","5","9","2","1") = "8"
    & skf18("1","6","7","5","9","3","1") = "8"
    & skf18("1","6","7","5","9","4","1") = "8"
    & skf18("1","6","7","5","9","5","1") = "8"
    & skf18("1","6","7","5","9","6","1") = "8"
    & skf18("1","6","7","5","9","7","1") = "8"
    & skf18("1","6","7","5","9","8","1") = "8"
    & skf18("1","6","7","5","9","9","1") = "8"
    & skf18("1","6","7","5","9","10","1") = "9"
    & skf18("1","6","7","5","10","1","1") = "9"
    & skf18("1","6","7","5","10","2","1") = "9"
    & skf18("1","6","7","5","10","3","1") = "9"
    & skf18("1","6","7","5","10","4","1") = "9"
    & skf18("1","6","7","5","10","5","1") = "9"
    & skf18("1","6","7","5","10","6","1") = "9"
    & skf18("1","6","7","5","10","7","1") = "9"
    & skf18("1","6","7","5","10","8","1") = "9"
    & skf18("1","6","7","5","10","9","1") = "9"
    & skf18("1","6","7","5","10","10","1") = "9"
    & skf18("1","6","7","6","1","1","1") = "6"
    & skf18("1","6","7","6","1","2","1") = "6"
    & skf18("1","6","7","6","1","3","1") = "6"
    & skf18("1","6","7","6","1","4","1") = "6"
    & skf18("1","6","7","6","1","5","1") = "6"
    & skf18("1","6","7","6","1","6","1") = "6"
    & skf18("1","6","7","6","1","7","1") = "6"
    & skf18("1","6","7","6","1","8","1") = "7"
    & skf18("1","6","7","6","1","9","1") = "8"
    & skf18("1","6","7","6","1","10","1") = "9"
    & skf18("1","6","7","6","2","1","1") = "6"
    & skf18("1","6","7","6","2","2","1") = "6"
    & skf18("1","6","7","6","2","3","1") = "6"
    & skf18("1","6","7","6","2","4","1") = "6"
    & skf18("1","6","7","6","2","5","1") = "6"
    & skf18("1","6","7","6","2","6","1") = "6"
    & skf18("1","6","7","6","2","7","1") = "6"
    & skf18("1","6","7","6","2","8","1") = "7"
    & skf18("1","6","7","6","2","9","1") = "8"
    & skf18("1","6","7","6","2","10","1") = "9"
    & skf18("1","6","7","6","3","1","1") = "6"
    & skf18("1","6","7","6","3","2","1") = "6"
    & skf18("1","6","7","6","3","3","1") = "6"
    & skf18("1","6","7","6","3","4","1") = "6"
    & skf18("1","6","7","6","3","5","1") = "6"
    & skf18("1","6","7","6","3","6","1") = "6"
    & skf18("1","6","7","6","3","7","1") = "6"
    & skf18("1","6","7","6","3","8","1") = "7"
    & skf18("1","6","7","6","3","9","1") = "8"
    & skf18("1","6","7","6","3","10","1") = "9"
    & skf18("1","6","7","6","4","1","1") = "6"
    & skf18("1","6","7","6","4","2","1") = "6"
    & skf18("1","6","7","6","4","3","1") = "6"
    & skf18("1","6","7","6","4","4","1") = "6"
    & skf18("1","6","7","6","4","5","1") = "6"
    & skf18("1","6","7","6","4","6","1") = "6"
    & skf18("1","6","7","6","4","7","1") = "6"
    & skf18("1","6","7","6","4","8","1") = "7"
    & skf18("1","6","7","6","4","9","1") = "8"
    & skf18("1","6","7","6","4","10","1") = "9"
    & skf18("1","6","7","6","5","1","1") = "6"
    & skf18("1","6","7","6","5","2","1") = "6"
    & skf18("1","6","7","6","5","3","1") = "6"
    & skf18("1","6","7","6","5","4","1") = "6"
    & skf18("1","6","7","6","5","5","1") = "6"
    & skf18("1","6","7","6","5","6","1") = "6"
    & skf18("1","6","7","6","5","7","1") = "6"
    & skf18("1","6","7","6","5","8","1") = "7"
    & skf18("1","6","7","6","5","9","1") = "8"
    & skf18("1","6","7","6","5","10","1") = "9"
    & skf18("1","6","7","6","6","1","1") = "6"
    & skf18("1","6","7","6","6","2","1") = "6"
    & skf18("1","6","7","6","6","3","1") = "6"
    & skf18("1","6","7","6","6","4","1") = "6"
    & skf18("1","6","7","6","6","5","1") = "6"
    & skf18("1","6","7","6","6","6","1") = "6"
    & skf18("1","6","7","6","6","7","1") = "6"
    & skf18("1","6","7","6","6","8","1") = "7"
    & skf18("1","6","7","6","6","9","1") = "8"
    & skf18("1","6","7","6","6","10","1") = "9"
    & skf18("1","6","7","6","7","1","1") = "6"
    & skf18("1","6","7","6","7","2","1") = "6"
    & skf18("1","6","7","6","7","3","1") = "6"
    & skf18("1","6","7","6","7","4","1") = "6"
    & skf18("1","6","7","6","7","5","1") = "6"
    & skf18("1","6","7","6","7","6","1") = "6"
    & skf18("1","6","7","6","7","7","1") = "6"
    & skf18("1","6","7","6","7","8","1") = "7"
    & skf18("1","6","7","6","7","9","1") = "8"
    & skf18("1","6","7","6","7","10","1") = "9"
    & skf18("1","6","7","6","8","1","1") = "7"
    & skf18("1","6","7","6","8","2","1") = "7"
    & skf18("1","6","7","6","8","3","1") = "7"
    & skf18("1","6","7","6","8","4","1") = "7"
    & skf18("1","6","7","6","8","5","1") = "7"
    & skf18("1","6","7","6","8","6","1") = "7"
    & skf18("1","6","7","6","8","7","1") = "7"
    & skf18("1","6","7","6","8","8","1") = "7"
    & skf18("1","6","7","6","8","9","1") = "8"
    & skf18("1","6","7","6","8","10","1") = "9"
    & skf18("1","6","7","6","9","1","1") = "8"
    & skf18("1","6","7","6","9","2","1") = "8"
    & skf18("1","6","7","6","9","3","1") = "8"
    & skf18("1","6","7","6","9","4","1") = "8"
    & skf18("1","6","7","6","9","5","1") = "8"
    & skf18("1","6","7","6","9","6","1") = "8"
    & skf18("1","6","7","6","9","7","1") = "8"
    & skf18("1","6","7","6","9","8","1") = "8"
    & skf18("1","6","7","6","9","9","1") = "8"
    & skf18("1","6","7","6","9","10","1") = "9"
    & skf18("1","6","7","6","10","1","1") = "9"
    & skf18("1","6","7","6","10","2","1") = "9"
    & skf18("1","6","7","6","10","3","1") = "9"
    & skf18("1","6","7","6","10","4","1") = "9"
    & skf18("1","6","7","6","10","5","1") = "9"
    & skf18("1","6","7","6","10","6","1") = "9"
    & skf18("1","6","7","6","10","7","1") = "9"
    & skf18("1","6","7","6","10","8","1") = "9"
    & skf18("1","6","7","6","10","9","1") = "9"
    & skf18("1","6","7","6","10","10","1") = "9"
    & skf18("1","6","7","7","1","1","1") = "6"
    & skf18("1","6","7","7","1","2","1") = "6"
    & skf18("1","6","7","7","1","3","1") = "6"
    & skf18("1","6","7","7","1","4","1") = "6"
    & skf18("1","6","7","7","1","5","1") = "6"
    & skf18("1","6","7","7","1","6","1") = "6"
    & skf18("1","6","7","7","1","7","1") = "6"
    & skf18("1","6","7","7","1","8","1") = "7"
    & skf18("1","6","7","7","1","9","1") = "8"
    & skf18("1","6","7","7","1","10","1") = "9"
    & skf18("1","6","7","7","2","1","1") = "6"
    & skf18("1","6","7","7","2","2","1") = "6"
    & skf18("1","6","7","7","2","3","1") = "6"
    & skf18("1","6","7","7","2","4","1") = "6"
    & skf18("1","6","7","7","2","5","1") = "6"
    & skf18("1","6","7","7","2","6","1") = "6"
    & skf18("1","6","7","7","2","7","1") = "6"
    & skf18("1","6","7","7","2","8","1") = "7"
    & skf18("1","6","7","7","2","9","1") = "8"
    & skf18("1","6","7","7","2","10","1") = "9"
    & skf18("1","6","7","7","3","1","1") = "6"
    & skf18("1","6","7","7","3","2","1") = "6"
    & skf18("1","6","7","7","3","3","1") = "6"
    & skf18("1","6","7","7","3","4","1") = "6"
    & skf18("1","6","7","7","3","5","1") = "6"
    & skf18("1","6","7","7","3","6","1") = "6"
    & skf18("1","6","7","7","3","7","1") = "6"
    & skf18("1","6","7","7","3","8","1") = "7"
    & skf18("1","6","7","7","3","9","1") = "8"
    & skf18("1","6","7","7","3","10","1") = "9"
    & skf18("1","6","7","7","4","1","1") = "6"
    & skf18("1","6","7","7","4","2","1") = "6"
    & skf18("1","6","7","7","4","3","1") = "6"
    & skf18("1","6","7","7","4","4","1") = "6"
    & skf18("1","6","7","7","4","5","1") = "6"
    & skf18("1","6","7","7","4","6","1") = "6"
    & skf18("1","6","7","7","4","7","1") = "6"
    & skf18("1","6","7","7","4","8","1") = "7"
    & skf18("1","6","7","7","4","9","1") = "8"
    & skf18("1","6","7","7","4","10","1") = "9"
    & skf18("1","6","7","7","5","1","1") = "6"
    & skf18("1","6","7","7","5","2","1") = "6"
    & skf18("1","6","7","7","5","3","1") = "6"
    & skf18("1","6","7","7","5","4","1") = "6"
    & skf18("1","6","7","7","5","5","1") = "6"
    & skf18("1","6","7","7","5","6","1") = "6"
    & skf18("1","6","7","7","5","7","1") = "6"
    & skf18("1","6","7","7","5","8","1") = "7"
    & skf18("1","6","7","7","5","9","1") = "8"
    & skf18("1","6","7","7","5","10","1") = "9"
    & skf18("1","6","7","7","6","1","1") = "6"
    & skf18("1","6","7","7","6","2","1") = "6"
    & skf18("1","6","7","7","6","3","1") = "6"
    & skf18("1","6","7","7","6","4","1") = "6"
    & skf18("1","6","7","7","6","5","1") = "6"
    & skf18("1","6","7","7","6","6","1") = "6"
    & skf18("1","6","7","7","6","7","1") = "6"
    & skf18("1","6","7","7","6","8","1") = "7"
    & skf18("1","6","7","7","6","9","1") = "8"
    & skf18("1","6","7","7","6","10","1") = "9"
    & skf18("1","6","7","7","7","1","1") = "6"
    & skf18("1","6","7","7","7","2","1") = "6"
    & skf18("1","6","7","7","7","3","1") = "6"
    & skf18("1","6","7","7","7","4","1") = "6"
    & skf18("1","6","7","7","7","5","1") = "6"
    & skf18("1","6","7","7","7","6","1") = "6"
    & skf18("1","6","7","7","7","7","1") = "6"
    & skf18("1","6","7","7","7","8","1") = "7"
    & skf18("1","6","7","7","7","9","1") = "8"
    & skf18("1","6","7","7","7","10","1") = "9"
    & skf18("1","6","7","7","8","1","1") = "7"
    & skf18("1","6","7","7","8","2","1") = "7"
    & skf18("1","6","7","7","8","3","1") = "7"
    & skf18("1","6","7","7","8","4","1") = "7"
    & skf18("1","6","7","7","8","5","1") = "7"
    & skf18("1","6","7","7","8","6","1") = "7"
    & skf18("1","6","7","7","8","7","1") = "7"
    & skf18("1","6","7","7","8","8","1") = "7"
    & skf18("1","6","7","7","8","9","1") = "8"
    & skf18("1","6","7","7","8","10","1") = "9"
    & skf18("1","6","7","7","9","1","1") = "8"
    & skf18("1","6","7","7","9","2","1") = "8"
    & skf18("1","6","7","7","9","3","1") = "8"
    & skf18("1","6","7","7","9","4","1") = "8"
    & skf18("1","6","7","7","9","5","1") = "8"
    & skf18("1","6","7","7","9","6","1") = "8"
    & skf18("1","6","7","7","9","7","1") = "8"
    & skf18("1","6","7","7","9","8","1") = "8"
    & skf18("1","6","7","7","9","9","1") = "8"
    & skf18("1","6","7","7","9","10","1") = "9"
    & skf18("1","6","7","7","10","1","1") = "9"
    & skf18("1","6","7","7","10","2","1") = "9"
    & skf18("1","6","7","7","10","3","1") = "9"
    & skf18("1","6","7","7","10","4","1") = "9"
    & skf18("1","6","7","7","10","5","1") = "9"
    & skf18("1","6","7","7","10","6","1") = "9"
    & skf18("1","6","7","7","10","7","1") = "9"
    & skf18("1","6","7","7","10","8","1") = "9"
    & skf18("1","6","7","7","10","9","1") = "9"
    & skf18("1","6","7","7","10","10","1") = "9"
    & skf18("1","6","7","8","1","1","1") = "7"
    & skf18("1","6","7","8","1","2","1") = "7"
    & skf18("1","6","7","8","1","3","1") = "7"
    & skf18("1","6","7","8","1","4","1") = "7"
    & skf18("1","6","7","8","1","5","1") = "7"
    & skf18("1","6","7","8","1","6","1") = "7"
    & skf18("1","6","7","8","1","7","1") = "7"
    & skf18("1","6","7","8","1","8","1") = "7"
    & skf18("1","6","7","8","1","9","1") = "8"
    & skf18("1","6","7","8","1","10","1") = "9"
    & skf18("1","6","7","8","2","1","1") = "7"
    & skf18("1","6","7","8","2","2","1") = "7"
    & skf18("1","6","7","8","2","3","1") = "7"
    & skf18("1","6","7","8","2","4","1") = "7"
    & skf18("1","6","7","8","2","5","1") = "7"
    & skf18("1","6","7","8","2","6","1") = "7"
    & skf18("1","6","7","8","2","7","1") = "7"
    & skf18("1","6","7","8","2","8","1") = "7"
    & skf18("1","6","7","8","2","9","1") = "8"
    & skf18("1","6","7","8","2","10","1") = "9"
    & skf18("1","6","7","8","3","1","1") = "7"
    & skf18("1","6","7","8","3","2","1") = "7"
    & skf18("1","6","7","8","3","3","1") = "7"
    & skf18("1","6","7","8","3","4","1") = "7"
    & skf18("1","6","7","8","3","5","1") = "7"
    & skf18("1","6","7","8","3","6","1") = "7"
    & skf18("1","6","7","8","3","7","1") = "7"
    & skf18("1","6","7","8","3","8","1") = "7"
    & skf18("1","6","7","8","3","9","1") = "8"
    & skf18("1","6","7","8","3","10","1") = "9"
    & skf18("1","6","7","8","4","1","1") = "7"
    & skf18("1","6","7","8","4","2","1") = "7"
    & skf18("1","6","7","8","4","3","1") = "7"
    & skf18("1","6","7","8","4","4","1") = "7"
    & skf18("1","6","7","8","4","5","1") = "7"
    & skf18("1","6","7","8","4","6","1") = "7"
    & skf18("1","6","7","8","4","7","1") = "7"
    & skf18("1","6","7","8","4","8","1") = "7"
    & skf18("1","6","7","8","4","9","1") = "8"
    & skf18("1","6","7","8","4","10","1") = "9"
    & skf18("1","6","7","8","5","1","1") = "7"
    & skf18("1","6","7","8","5","2","1") = "7"
    & skf18("1","6","7","8","5","3","1") = "7"
    & skf18("1","6","7","8","5","4","1") = "7"
    & skf18("1","6","7","8","5","5","1") = "7"
    & skf18("1","6","7","8","5","6","1") = "7"
    & skf18("1","6","7","8","5","7","1") = "7"
    & skf18("1","6","7","8","5","8","1") = "7"
    & skf18("1","6","7","8","5","9","1") = "8"
    & skf18("1","6","7","8","5","10","1") = "9"
    & skf18("1","6","7","8","6","1","1") = "7"
    & skf18("1","6","7","8","6","2","1") = "7"
    & skf18("1","6","7","8","6","3","1") = "7"
    & skf18("1","6","7","8","6","4","1") = "7"
    & skf18("1","6","7","8","6","5","1") = "7"
    & skf18("1","6","7","8","6","6","1") = "7"
    & skf18("1","6","7","8","6","7","1") = "7"
    & skf18("1","6","7","8","6","8","1") = "7"
    & skf18("1","6","7","8","6","9","1") = "8"
    & skf18("1","6","7","8","6","10","1") = "9"
    & skf18("1","6","7","8","7","1","1") = "7"
    & skf18("1","6","7","8","7","2","1") = "7"
    & skf18("1","6","7","8","7","3","1") = "7"
    & skf18("1","6","7","8","7","4","1") = "7"
    & skf18("1","6","7","8","7","5","1") = "7"
    & skf18("1","6","7","8","7","6","1") = "7"
    & skf18("1","6","7","8","7","7","1") = "7"
    & skf18("1","6","7","8","7","8","1") = "7"
    & skf18("1","6","7","8","7","9","1") = "8"
    & skf18("1","6","7","8","7","10","1") = "9"
    & skf18("1","6","7","8","8","1","1") = "7"
    & skf18("1","6","7","8","8","2","1") = "7"
    & skf18("1","6","7","8","8","3","1") = "7"
    & skf18("1","6","7","8","8","4","1") = "7"
    & skf18("1","6","7","8","8","5","1") = "7"
    & skf18("1","6","7","8","8","6","1") = "7"
    & skf18("1","6","7","8","8","7","1") = "7"
    & skf18("1","6","7","8","8","8","1") = "7"
    & skf18("1","6","7","8","8","9","1") = "8"
    & skf18("1","6","7","8","8","10","1") = "9"
    & skf18("1","6","7","8","9","1","1") = "8"
    & skf18("1","6","7","8","9","2","1") = "8"
    & skf18("1","6","7","8","9","3","1") = "8"
    & skf18("1","6","7","8","9","4","1") = "8"
    & skf18("1","6","7","8","9","5","1") = "8"
    & skf18("1","6","7","8","9","6","1") = "8"
    & skf18("1","6","7","8","9","7","1") = "8"
    & skf18("1","6","7","8","9","8","1") = "8"
    & skf18("1","6","7","8","9","9","1") = "8"
    & skf18("1","6","7","8","9","10","1") = "9"
    & skf18("1","6","7","8","10","1","1") = "9"
    & skf18("1","6","7","8","10","2","1") = "9"
    & skf18("1","6","7","8","10","3","1") = "9"
    & skf18("1","6","7","8","10","4","1") = "9"
    & skf18("1","6","7","8","10","5","1") = "9"
    & skf18("1","6","7","8","10","6","1") = "9"
    & skf18("1","6","7","8","10","7","1") = "9"
    & skf18("1","6","7","8","10","8","1") = "9"
    & skf18("1","6","7","8","10","9","1") = "9"
    & skf18("1","6","7","8","10","10","1") = "9"
    & skf18("1","6","7","9","1","1","1") = "8"
    & skf18("1","6","7","9","1","2","1") = "8"
    & skf18("1","6","7","9","1","3","1") = "8"
    & skf18("1","6","7","9","1","4","1") = "8"
    & skf18("1","6","7","9","1","5","1") = "8"
    & skf18("1","6","7","9","1","6","1") = "8"
    & skf18("1","6","7","9","1","7","1") = "8"
    & skf18("1","6","7","9","1","8","1") = "8"
    & skf18("1","6","7","9","1","9","1") = "8"
    & skf18("1","6","7","9","1","10","1") = "9"
    & skf18("1","6","7","9","2","1","1") = "8"
    & skf18("1","6","7","9","2","2","1") = "8"
    & skf18("1","6","7","9","2","3","1") = "8"
    & skf18("1","6","7","9","2","4","1") = "8"
    & skf18("1","6","7","9","2","5","1") = "8"
    & skf18("1","6","7","9","2","6","1") = "8"
    & skf18("1","6","7","9","2","7","1") = "8"
    & skf18("1","6","7","9","2","8","1") = "8"
    & skf18("1","6","7","9","2","9","1") = "8"
    & skf18("1","6","7","9","2","10","1") = "9"
    & skf18("1","6","7","9","3","1","1") = "8"
    & skf18("1","6","7","9","3","2","1") = "8"
    & skf18("1","6","7","9","3","3","1") = "8"
    & skf18("1","6","7","9","3","4","1") = "8"
    & skf18("1","6","7","9","3","5","1") = "8"
    & skf18("1","6","7","9","3","6","1") = "8"
    & skf18("1","6","7","9","3","7","1") = "8"
    & skf18("1","6","7","9","3","8","1") = "8"
    & skf18("1","6","7","9","3","9","1") = "8"
    & skf18("1","6","7","9","3","10","1") = "9"
    & skf18("1","6","7","9","4","1","1") = "8"
    & skf18("1","6","7","9","4","2","1") = "8"
    & skf18("1","6","7","9","4","3","1") = "8"
    & skf18("1","6","7","9","4","4","1") = "8"
    & skf18("1","6","7","9","4","5","1") = "8"
    & skf18("1","6","7","9","4","6","1") = "8"
    & skf18("1","6","7","9","4","7","1") = "8"
    & skf18("1","6","7","9","4","8","1") = "8"
    & skf18("1","6","7","9","4","9","1") = "8"
    & skf18("1","6","7","9","4","10","1") = "9"
    & skf18("1","6","7","9","5","1","1") = "8"
    & skf18("1","6","7","9","5","2","1") = "8"
    & skf18("1","6","7","9","5","3","1") = "8"
    & skf18("1","6","7","9","5","4","1") = "8"
    & skf18("1","6","7","9","5","5","1") = "8"
    & skf18("1","6","7","9","5","6","1") = "8"
    & skf18("1","6","7","9","5","7","1") = "8"
    & skf18("1","6","7","9","5","8","1") = "8"
    & skf18("1","6","7","9","5","9","1") = "8"
    & skf18("1","6","7","9","5","10","1") = "9"
    & skf18("1","6","7","9","6","1","1") = "8"
    & skf18("1","6","7","9","6","2","1") = "8"
    & skf18("1","6","7","9","6","3","1") = "8"
    & skf18("1","6","7","9","6","4","1") = "8"
    & skf18("1","6","7","9","6","5","1") = "8"
    & skf18("1","6","7","9","6","6","1") = "8"
    & skf18("1","6","7","9","6","7","1") = "8"
    & skf18("1","6","7","9","6","8","1") = "8"
    & skf18("1","6","7","9","6","9","1") = "8"
    & skf18("1","6","7","9","6","10","1") = "9"
    & skf18("1","6","7","9","7","1","1") = "8"
    & skf18("1","6","7","9","7","2","1") = "8"
    & skf18("1","6","7","9","7","3","1") = "8"
    & skf18("1","6","7","9","7","4","1") = "8"
    & skf18("1","6","7","9","7","5","1") = "8"
    & skf18("1","6","7","9","7","6","1") = "8"
    & skf18("1","6","7","9","7","7","1") = "8"
    & skf18("1","6","7","9","7","8","1") = "8"
    & skf18("1","6","7","9","7","9","1") = "8"
    & skf18("1","6","7","9","7","10","1") = "9"
    & skf18("1","6","7","9","8","1","1") = "8"
    & skf18("1","6","7","9","8","2","1") = "8"
    & skf18("1","6","7","9","8","3","1") = "8"
    & skf18("1","6","7","9","8","4","1") = "8"
    & skf18("1","6","7","9","8","5","1") = "8"
    & skf18("1","6","7","9","8","6","1") = "8"
    & skf18("1","6","7","9","8","7","1") = "8"
    & skf18("1","6","7","9","8","8","1") = "8"
    & skf18("1","6","7","9","8","9","1") = "8"
    & skf18("1","6","7","9","8","10","1") = "9"
    & skf18("1","6","7","9","9","1","1") = "8"
    & skf18("1","6","7","9","9","2","1") = "8"
    & skf18("1","6","7","9","9","3","1") = "8"
    & skf18("1","6","7","9","9","4","1") = "8"
    & skf18("1","6","7","9","9","5","1") = "8"
    & skf18("1","6","7","9","9","6","1") = "8"
    & skf18("1","6","7","9","9","7","1") = "8"
    & skf18("1","6","7","9","9","8","1") = "8"
    & skf18("1","6","7","9","9","9","1") = "8"
    & skf18("1","6","7","9","9","10","1") = "9"
    & skf18("1","6","7","9","10","1","1") = "9"
    & skf18("1","6","7","9","10","2","1") = "9"
    & skf18("1","6","7","9","10","3","1") = "9"
    & skf18("1","6","7","9","10","4","1") = "9"
    & skf18("1","6","7","9","10","5","1") = "9"
    & skf18("1","6","7","9","10","6","1") = "9"
    & skf18("1","6","7","9","10","7","1") = "9"
    & skf18("1","6","7","9","10","8","1") = "9"
    & skf18("1","6","7","9","10","9","1") = "9"
    & skf18("1","6","7","9","10","10","1") = "9"
    & skf18("1","6","7","10","1","1","1") = "9"
    & skf18("1","6","7","10","1","2","1") = "9"
    & skf18("1","6","7","10","1","3","1") = "9"
    & skf18("1","6","7","10","1","4","1") = "9"
    & skf18("1","6","7","10","1","5","1") = "9"
    & skf18("1","6","7","10","1","6","1") = "9"
    & skf18("1","6","7","10","1","7","1") = "9"
    & skf18("1","6","7","10","1","8","1") = "9"
    & skf18("1","6","7","10","1","9","1") = "9"
    & skf18("1","6","7","10","1","10","1") = "9"
    & skf18("1","6","7","10","2","1","1") = "9"
    & skf18("1","6","7","10","2","2","1") = "9"
    & skf18("1","6","7","10","2","3","1") = "9"
    & skf18("1","6","7","10","2","4","1") = "9"
    & skf18("1","6","7","10","2","5","1") = "9"
    & skf18("1","6","7","10","2","6","1") = "9"
    & skf18("1","6","7","10","2","7","1") = "9"
    & skf18("1","6","7","10","2","8","1") = "9"
    & skf18("1","6","7","10","2","9","1") = "9"
    & skf18("1","6","7","10","2","10","1") = "9"
    & skf18("1","6","7","10","3","1","1") = "9"
    & skf18("1","6","7","10","3","2","1") = "9"
    & skf18("1","6","7","10","3","3","1") = "9"
    & skf18("1","6","7","10","3","4","1") = "9"
    & skf18("1","6","7","10","3","5","1") = "9"
    & skf18("1","6","7","10","3","6","1") = "9"
    & skf18("1","6","7","10","3","7","1") = "9"
    & skf18("1","6","7","10","3","8","1") = "9"
    & skf18("1","6","7","10","3","9","1") = "9"
    & skf18("1","6","7","10","3","10","1") = "9"
    & skf18("1","6","7","10","4","1","1") = "9"
    & skf18("1","6","7","10","4","2","1") = "9"
    & skf18("1","6","7","10","4","3","1") = "9"
    & skf18("1","6","7","10","4","4","1") = "9"
    & skf18("1","6","7","10","4","5","1") = "9"
    & skf18("1","6","7","10","4","6","1") = "9"
    & skf18("1","6","7","10","4","7","1") = "9"
    & skf18("1","6","7","10","4","8","1") = "9"
    & skf18("1","6","7","10","4","9","1") = "9"
    & skf18("1","6","7","10","4","10","1") = "9"
    & skf18("1","6","7","10","5","1","1") = "9"
    & skf18("1","6","7","10","5","2","1") = "9"
    & skf18("1","6","7","10","5","3","1") = "9"
    & skf18("1","6","7","10","5","4","1") = "9"
    & skf18("1","6","7","10","5","5","1") = "9"
    & skf18("1","6","7","10","5","6","1") = "9"
    & skf18("1","6","7","10","5","7","1") = "9"
    & skf18("1","6","7","10","5","8","1") = "9"
    & skf18("1","6","7","10","5","9","1") = "9"
    & skf18("1","6","7","10","5","10","1") = "9"
    & skf18("1","6","7","10","6","1","1") = "9"
    & skf18("1","6","7","10","6","2","1") = "9"
    & skf18("1","6","7","10","6","3","1") = "9"
    & skf18("1","6","7","10","6","4","1") = "9"
    & skf18("1","6","7","10","6","5","1") = "9"
    & skf18("1","6","7","10","6","6","1") = "9"
    & skf18("1","6","7","10","6","7","1") = "9"
    & skf18("1","6","7","10","6","8","1") = "9"
    & skf18("1","6","7","10","6","9","1") = "9"
    & skf18("1","6","7","10","6","10","1") = "9"
    & skf18("1","6","7","10","7","1","1") = "9"
    & skf18("1","6","7","10","7","2","1") = "9"
    & skf18("1","6","7","10","7","3","1") = "9"
    & skf18("1","6","7","10","7","4","1") = "9"
    & skf18("1","6","7","10","7","5","1") = "9"
    & skf18("1","6","7","10","7","6","1") = "9"
    & skf18("1","6","7","10","7","7","1") = "9"
    & skf18("1","6","7","10","7","8","1") = "9"
    & skf18("1","6","7","10","7","9","1") = "9"
    & skf18("1","6","7","10","7","10","1") = "9"
    & skf18("1","6","7","10","8","1","1") = "9"
    & skf18("1","6","7","10","8","2","1") = "9"
    & skf18("1","6","7","10","8","3","1") = "9"
    & skf18("1","6","7","10","8","4","1") = "9"
    & skf18("1","6","7","10","8","5","1") = "9"
    & skf18("1","6","7","10","8","6","1") = "9"
    & skf18("1","6","7","10","8","7","1") = "9"
    & skf18("1","6","7","10","8","8","1") = "9"
    & skf18("1","6","7","10","8","9","1") = "9"
    & skf18("1","6","7","10","8","10","1") = "9"
    & skf18("1","6","7","10","9","1","1") = "9"
    & skf18("1","6","7","10","9","2","1") = "9"
    & skf18("1","6","7","10","9","3","1") = "9"
    & skf18("1","6","7","10","9","4","1") = "9"
    & skf18("1","6","7","10","9","5","1") = "9"
    & skf18("1","6","7","10","9","6","1") = "9"
    & skf18("1","6","7","10","9","7","1") = "9"
    & skf18("1","6","7","10","9","8","1") = "9"
    & skf18("1","6","7","10","9","9","1") = "9"
    & skf18("1","6","7","10","9","10","1") = "9"
    & skf18("1","6","7","10","10","1","1") = "9"
    & skf18("1","6","7","10","10","2","1") = "9"
    & skf18("1","6","7","10","10","3","1") = "9"
    & skf18("1","6","7","10","10","4","1") = "9"
    & skf18("1","6","7","10","10","5","1") = "9"
    & skf18("1","6","7","10","10","6","1") = "9"
    & skf18("1","6","7","10","10","7","1") = "9"
    & skf18("1","6","7","10","10","8","1") = "9"
    & skf18("1","6","7","10","10","9","1") = "9"
    & skf18("1","6","7","10","10","10","1") = "9"
    & skf18("1","6","8","1","1","1","1") = "7"
    & skf18("1","6","8","1","1","2","1") = "7"
    & skf18("1","6","8","1","1","3","1") = "7"
    & skf18("1","6","8","1","1","4","1") = "7"
    & skf18("1","6","8","1","1","5","1") = "7"
    & skf18("1","6","8","1","1","6","1") = "7"
    & skf18("1","6","8","1","1","7","1") = "7"
    & skf18("1","6","8","1","1","8","1") = "7"
    & skf18("1","6","8","1","1","9","1") = "8"
    & skf18("1","6","8","1","1","10","1") = "9"
    & skf18("1","6","8","1","2","1","1") = "7"
    & skf18("1","6","8","1","2","2","1") = "7"
    & skf18("1","6","8","1","2","3","1") = "7"
    & skf18("1","6","8","1","2","4","1") = "7"
    & skf18("1","6","8","1","2","5","1") = "7"
    & skf18("1","6","8","1","2","6","1") = "7"
    & skf18("1","6","8","1","2","7","1") = "7"
    & skf18("1","6","8","1","2","8","1") = "7"
    & skf18("1","6","8","1","2","9","1") = "8"
    & skf18("1","6","8","1","2","10","1") = "9"
    & skf18("1","6","8","1","3","1","1") = "7"
    & skf18("1","6","8","1","3","2","1") = "7"
    & skf18("1","6","8","1","3","3","1") = "7"
    & skf18("1","6","8","1","3","4","1") = "7"
    & skf18("1","6","8","1","3","5","1") = "7"
    & skf18("1","6","8","1","3","6","1") = "7"
    & skf18("1","6","8","1","3","7","1") = "7"
    & skf18("1","6","8","1","3","8","1") = "7"
    & skf18("1","6","8","1","3","9","1") = "8"
    & skf18("1","6","8","1","3","10","1") = "9"
    & skf18("1","6","8","1","4","1","1") = "7"
    & skf18("1","6","8","1","4","2","1") = "7"
    & skf18("1","6","8","1","4","3","1") = "7"
    & skf18("1","6","8","1","4","4","1") = "7"
    & skf18("1","6","8","1","4","5","1") = "7"
    & skf18("1","6","8","1","4","6","1") = "7"
    & skf18("1","6","8","1","4","7","1") = "7"
    & skf18("1","6","8","1","4","8","1") = "7"
    & skf18("1","6","8","1","4","9","1") = "8"
    & skf18("1","6","8","1","4","10","1") = "9"
    & skf18("1","6","8","1","5","1","1") = "7"
    & skf18("1","6","8","1","5","2","1") = "7"
    & skf18("1","6","8","1","5","3","1") = "7"
    & skf18("1","6","8","1","5","4","1") = "7"
    & skf18("1","6","8","1","5","5","1") = "7"
    & skf18("1","6","8","1","5","6","1") = "7"
    & skf18("1","6","8","1","5","7","1") = "7"
    & skf18("1","6","8","1","5","8","1") = "7"
    & skf18("1","6","8","1","5","9","1") = "8"
    & skf18("1","6","8","1","5","10","1") = "9"
    & skf18("1","6","8","1","6","1","1") = "7"
    & skf18("1","6","8","1","6","2","1") = "7"
    & skf18("1","6","8","1","6","3","1") = "7"
    & skf18("1","6","8","1","6","4","1") = "7"
    & skf18("1","6","8","1","6","5","1") = "7"
    & skf18("1","6","8","1","6","6","1") = "7"
    & skf18("1","6","8","1","6","7","1") = "7"
    & skf18("1","6","8","1","6","8","1") = "7"
    & skf18("1","6","8","1","6","9","1") = "8"
    & skf18("1","6","8","1","6","10","1") = "9"
    & skf18("1","6","8","1","7","1","1") = "7"
    & skf18("1","6","8","1","7","2","1") = "7"
    & skf18("1","6","8","1","7","3","1") = "7"
    & skf18("1","6","8","1","7","4","1") = "7"
    & skf18("1","6","8","1","7","5","1") = "7"
    & skf18("1","6","8","1","7","6","1") = "7"
    & skf18("1","6","8","1","7","7","1") = "7"
    & skf18("1","6","8","1","7","8","1") = "7"
    & skf18("1","6","8","1","7","9","1") = "8"
    & skf18("1","6","8","1","7","10","1") = "9"
    & skf18("1","6","8","1","8","1","1") = "7"
    & skf18("1","6","8","1","8","2","1") = "7"
    & skf18("1","6","8","1","8","3","1") = "7"
    & skf18("1","6","8","1","8","4","1") = "7"
    & skf18("1","6","8","1","8","5","1") = "7"
    & skf18("1","6","8","1","8","6","1") = "7"
    & skf18("1","6","8","1","8","7","1") = "7"
    & skf18("1","6","8","1","8","8","1") = "7"
    & skf18("1","6","8","1","8","9","1") = "8"
    & skf18("1","6","8","1","8","10","1") = "9"
    & skf18("1","6","8","1","9","1","1") = "8"
    & skf18("1","6","8","1","9","2","1") = "8"
    & skf18("1","6","8","1","9","3","1") = "8"
    & skf18("1","6","8","1","9","4","1") = "8"
    & skf18("1","6","8","1","9","5","1") = "8"
    & skf18("1","6","8","1","9","6","1") = "8"
    & skf18("1","6","8","1","9","7","1") = "8"
    & skf18("1","6","8","1","9","8","1") = "8"
    & skf18("1","6","8","1","9","9","1") = "8"
    & skf18("1","6","8","1","9","10","1") = "9"
    & skf18("1","6","8","1","10","1","1") = "9"
    & skf18("1","6","8","1","10","2","1") = "9"
    & skf18("1","6","8","1","10","3","1") = "9"
    & skf18("1","6","8","1","10","4","1") = "9"
    & skf18("1","6","8","1","10","5","1") = "9"
    & skf18("1","6","8","1","10","6","1") = "9"
    & skf18("1","6","8","1","10","7","1") = "9"
    & skf18("1","6","8","1","10","8","1") = "9"
    & skf18("1","6","8","1","10","9","1") = "9"
    & skf18("1","6","8","1","10","10","1") = "9"
    & skf18("1","6","8","2","1","1","1") = "7"
    & skf18("1","6","8","2","1","2","1") = "7"
    & skf18("1","6","8","2","1","3","1") = "7"
    & skf18("1","6","8","2","1","4","1") = "7"
    & skf18("1","6","8","2","1","5","1") = "7"
    & skf18("1","6","8","2","1","6","1") = "7"
    & skf18("1","6","8","2","1","7","1") = "7"
    & skf18("1","6","8","2","1","8","1") = "7"
    & skf18("1","6","8","2","1","9","1") = "8"
    & skf18("1","6","8","2","1","10","1") = "9"
    & skf18("1","6","8","2","2","1","1") = "7"
    & skf18("1","6","8","2","2","2","1") = "7"
    & skf18("1","6","8","2","2","3","1") = "7"
    & skf18("1","6","8","2","2","4","1") = "7"
    & skf18("1","6","8","2","2","5","1") = "7"
    & skf18("1","6","8","2","2","6","1") = "7"
    & skf18("1","6","8","2","2","7","1") = "7"
    & skf18("1","6","8","2","2","8","1") = "7"
    & skf18("1","6","8","2","2","9","1") = "8"
    & skf18("1","6","8","2","2","10","1") = "9"
    & skf18("1","6","8","2","3","1","1") = "7"
    & skf18("1","6","8","2","3","2","1") = "7"
    & skf18("1","6","8","2","3","3","1") = "7"
    & skf18("1","6","8","2","3","4","1") = "7"
    & skf18("1","6","8","2","3","5","1") = "7"
    & skf18("1","6","8","2","3","6","1") = "7"
    & skf18("1","6","8","2","3","7","1") = "7"
    & skf18("1","6","8","2","3","8","1") = "7"
    & skf18("1","6","8","2","3","9","1") = "8"
    & skf18("1","6","8","2","3","10","1") = "9"
    & skf18("1","6","8","2","4","1","1") = "7"
    & skf18("1","6","8","2","4","2","1") = "7"
    & skf18("1","6","8","2","4","3","1") = "7"
    & skf18("1","6","8","2","4","4","1") = "7"
    & skf18("1","6","8","2","4","5","1") = "7"
    & skf18("1","6","8","2","4","6","1") = "7"
    & skf18("1","6","8","2","4","7","1") = "7"
    & skf18("1","6","8","2","4","8","1") = "7"
    & skf18("1","6","8","2","4","9","1") = "8"
    & skf18("1","6","8","2","4","10","1") = "9"
    & skf18("1","6","8","2","5","1","1") = "7"
    & skf18("1","6","8","2","5","2","1") = "7"
    & skf18("1","6","8","2","5","3","1") = "7"
    & skf18("1","6","8","2","5","4","1") = "7"
    & skf18("1","6","8","2","5","5","1") = "7"
    & skf18("1","6","8","2","5","6","1") = "7"
    & skf18("1","6","8","2","5","7","1") = "7"
    & skf18("1","6","8","2","5","8","1") = "7"
    & skf18("1","6","8","2","5","9","1") = "8"
    & skf18("1","6","8","2","5","10","1") = "9"
    & skf18("1","6","8","2","6","1","1") = "7"
    & skf18("1","6","8","2","6","2","1") = "7"
    & skf18("1","6","8","2","6","3","1") = "7"
    & skf18("1","6","8","2","6","4","1") = "7"
    & skf18("1","6","8","2","6","5","1") = "7"
    & skf18("1","6","8","2","6","6","1") = "7"
    & skf18("1","6","8","2","6","7","1") = "7"
    & skf18("1","6","8","2","6","8","1") = "7"
    & skf18("1","6","8","2","6","9","1") = "8"
    & skf18("1","6","8","2","6","10","1") = "9"
    & skf18("1","6","8","2","7","1","1") = "7"
    & skf18("1","6","8","2","7","2","1") = "7"
    & skf18("1","6","8","2","7","3","1") = "7"
    & skf18("1","6","8","2","7","4","1") = "7"
    & skf18("1","6","8","2","7","5","1") = "7"
    & skf18("1","6","8","2","7","6","1") = "7"
    & skf18("1","6","8","2","7","7","1") = "7"
    & skf18("1","6","8","2","7","8","1") = "7"
    & skf18("1","6","8","2","7","9","1") = "8"
    & skf18("1","6","8","2","7","10","1") = "9"
    & skf18("1","6","8","2","8","1","1") = "7"
    & skf18("1","6","8","2","8","2","1") = "7"
    & skf18("1","6","8","2","8","3","1") = "7"
    & skf18("1","6","8","2","8","4","1") = "7"
    & skf18("1","6","8","2","8","5","1") = "7"
    & skf18("1","6","8","2","8","6","1") = "7"
    & skf18("1","6","8","2","8","7","1") = "7"
    & skf18("1","6","8","2","8","8","1") = "7"
    & skf18("1","6","8","2","8","9","1") = "8"
    & skf18("1","6","8","2","8","10","1") = "9"
    & skf18("1","6","8","2","9","1","1") = "8"
    & skf18("1","6","8","2","9","2","1") = "8"
    & skf18("1","6","8","2","9","3","1") = "8"
    & skf18("1","6","8","2","9","4","1") = "8"
    & skf18("1","6","8","2","9","5","1") = "8"
    & skf18("1","6","8","2","9","6","1") = "8"
    & skf18("1","6","8","2","9","7","1") = "8"
    & skf18("1","6","8","2","9","8","1") = "8"
    & skf18("1","6","8","2","9","9","1") = "8"
    & skf18("1","6","8","2","9","10","1") = "9"
    & skf18("1","6","8","2","10","1","1") = "9"
    & skf18("1","6","8","2","10","2","1") = "9"
    & skf18("1","6","8","2","10","3","1") = "9"
    & skf18("1","6","8","2","10","4","1") = "9"
    & skf18("1","6","8","2","10","5","1") = "9"
    & skf18("1","6","8","2","10","6","1") = "9"
    & skf18("1","6","8","2","10","7","1") = "9"
    & skf18("1","6","8","2","10","8","1") = "9"
    & skf18("1","6","8","2","10","9","1") = "9"
    & skf18("1","6","8","2","10","10","1") = "9"
    & skf18("1","6","8","3","1","1","1") = "7"
    & skf18("1","6","8","3","1","2","1") = "7"
    & skf18("1","6","8","3","1","3","1") = "7"
    & skf18("1","6","8","3","1","4","1") = "7"
    & skf18("1","6","8","3","1","5","1") = "7"
    & skf18("1","6","8","3","1","6","1") = "7"
    & skf18("1","6","8","3","1","7","1") = "7"
    & skf18("1","6","8","3","1","8","1") = "7"
    & skf18("1","6","8","3","1","9","1") = "8"
    & skf18("1","6","8","3","1","10","1") = "9"
    & skf18("1","6","8","3","2","1","1") = "7"
    & skf18("1","6","8","3","2","2","1") = "7"
    & skf18("1","6","8","3","2","3","1") = "7"
    & skf18("1","6","8","3","2","4","1") = "7"
    & skf18("1","6","8","3","2","5","1") = "7"
    & skf18("1","6","8","3","2","6","1") = "7"
    & skf18("1","6","8","3","2","7","1") = "7"
    & skf18("1","6","8","3","2","8","1") = "7"
    & skf18("1","6","8","3","2","9","1") = "8"
    & skf18("1","6","8","3","2","10","1") = "9"
    & skf18("1","6","8","3","3","1","1") = "7"
    & skf18("1","6","8","3","3","2","1") = "7"
    & skf18("1","6","8","3","3","3","1") = "7"
    & skf18("1","6","8","3","3","4","1") = "7"
    & skf18("1","6","8","3","3","5","1") = "7"
    & skf18("1","6","8","3","3","6","1") = "7"
    & skf18("1","6","8","3","3","7","1") = "7"
    & skf18("1","6","8","3","3","8","1") = "7"
    & skf18("1","6","8","3","3","9","1") = "8"
    & skf18("1","6","8","3","3","10","1") = "9"
    & skf18("1","6","8","3","4","1","1") = "7"
    & skf18("1","6","8","3","4","2","1") = "7"
    & skf18("1","6","8","3","4","3","1") = "7"
    & skf18("1","6","8","3","4","4","1") = "7"
    & skf18("1","6","8","3","4","5","1") = "7"
    & skf18("1","6","8","3","4","6","1") = "7"
    & skf18("1","6","8","3","4","7","1") = "7"
    & skf18("1","6","8","3","4","8","1") = "7"
    & skf18("1","6","8","3","4","9","1") = "8"
    & skf18("1","6","8","3","4","10","1") = "9"
    & skf18("1","6","8","3","5","1","1") = "7"
    & skf18("1","6","8","3","5","2","1") = "7"
    & skf18("1","6","8","3","5","3","1") = "7"
    & skf18("1","6","8","3","5","4","1") = "7"
    & skf18("1","6","8","3","5","5","1") = "7"
    & skf18("1","6","8","3","5","6","1") = "7"
    & skf18("1","6","8","3","5","7","1") = "7"
    & skf18("1","6","8","3","5","8","1") = "7"
    & skf18("1","6","8","3","5","9","1") = "8"
    & skf18("1","6","8","3","5","10","1") = "9"
    & skf18("1","6","8","3","6","1","1") = "7"
    & skf18("1","6","8","3","6","2","1") = "7"
    & skf18("1","6","8","3","6","3","1") = "7"
    & skf18("1","6","8","3","6","4","1") = "7"
    & skf18("1","6","8","3","6","5","1") = "7"
    & skf18("1","6","8","3","6","6","1") = "7"
    & skf18("1","6","8","3","6","7","1") = "7"
    & skf18("1","6","8","3","6","8","1") = "7"
    & skf18("1","6","8","3","6","9","1") = "8"
    & skf18("1","6","8","3","6","10","1") = "9"
    & skf18("1","6","8","3","7","1","1") = "7"
    & skf18("1","6","8","3","7","2","1") = "7"
    & skf18("1","6","8","3","7","3","1") = "7"
    & skf18("1","6","8","3","7","4","1") = "7"
    & skf18("1","6","8","3","7","5","1") = "7"
    & skf18("1","6","8","3","7","6","1") = "7"
    & skf18("1","6","8","3","7","7","1") = "7"
    & skf18("1","6","8","3","7","8","1") = "7"
    & skf18("1","6","8","3","7","9","1") = "8"
    & skf18("1","6","8","3","7","10","1") = "9"
    & skf18("1","6","8","3","8","1","1") = "7"
    & skf18("1","6","8","3","8","2","1") = "7"
    & skf18("1","6","8","3","8","3","1") = "7"
    & skf18("1","6","8","3","8","4","1") = "7"
    & skf18("1","6","8","3","8","5","1") = "7"
    & skf18("1","6","8","3","8","6","1") = "7"
    & skf18("1","6","8","3","8","7","1") = "7"
    & skf18("1","6","8","3","8","8","1") = "7"
    & skf18("1","6","8","3","8","9","1") = "8"
    & skf18("1","6","8","3","8","10","1") = "9"
    & skf18("1","6","8","3","9","1","1") = "8"
    & skf18("1","6","8","3","9","2","1") = "8"
    & skf18("1","6","8","3","9","3","1") = "8"
    & skf18("1","6","8","3","9","4","1") = "8"
    & skf18("1","6","8","3","9","5","1") = "8"
    & skf18("1","6","8","3","9","6","1") = "8"
    & skf18("1","6","8","3","9","7","1") = "8"
    & skf18("1","6","8","3","9","8","1") = "8"
    & skf18("1","6","8","3","9","9","1") = "8"
    & skf18("1","6","8","3","9","10","1") = "9"
    & skf18("1","6","8","3","10","1","1") = "9"
    & skf18("1","6","8","3","10","2","1") = "9"
    & skf18("1","6","8","3","10","3","1") = "9"
    & skf18("1","6","8","3","10","4","1") = "9"
    & skf18("1","6","8","3","10","5","1") = "9"
    & skf18("1","6","8","3","10","6","1") = "9"
    & skf18("1","6","8","3","10","7","1") = "9"
    & skf18("1","6","8","3","10","8","1") = "9"
    & skf18("1","6","8","3","10","9","1") = "9"
    & skf18("1","6","8","3","10","10","1") = "9"
    & skf18("1","6","8","4","1","1","1") = "7"
    & skf18("1","6","8","4","1","2","1") = "7"
    & skf18("1","6","8","4","1","3","1") = "7"
    & skf18("1","6","8","4","1","4","1") = "7"
    & skf18("1","6","8","4","1","5","1") = "7"
    & skf18("1","6","8","4","1","6","1") = "7"
    & skf18("1","6","8","4","1","7","1") = "7"
    & skf18("1","6","8","4","1","8","1") = "7"
    & skf18("1","6","8","4","1","9","1") = "8"
    & skf18("1","6","8","4","1","10","1") = "9"
    & skf18("1","6","8","4","2","1","1") = "7"
    & skf18("1","6","8","4","2","2","1") = "7"
    & skf18("1","6","8","4","2","3","1") = "7"
    & skf18("1","6","8","4","2","4","1") = "7"
    & skf18("1","6","8","4","2","5","1") = "7"
    & skf18("1","6","8","4","2","6","1") = "7"
    & skf18("1","6","8","4","2","7","1") = "7"
    & skf18("1","6","8","4","2","8","1") = "7"
    & skf18("1","6","8","4","2","9","1") = "8"
    & skf18("1","6","8","4","2","10","1") = "9"
    & skf18("1","6","8","4","3","1","1") = "7"
    & skf18("1","6","8","4","3","2","1") = "7"
    & skf18("1","6","8","4","3","3","1") = "7"
    & skf18("1","6","8","4","3","4","1") = "7"
    & skf18("1","6","8","4","3","5","1") = "7"
    & skf18("1","6","8","4","3","6","1") = "7"
    & skf18("1","6","8","4","3","7","1") = "7"
    & skf18("1","6","8","4","3","8","1") = "7"
    & skf18("1","6","8","4","3","9","1") = "8"
    & skf18("1","6","8","4","3","10","1") = "9"
    & skf18("1","6","8","4","4","1","1") = "7"
    & skf18("1","6","8","4","4","2","1") = "7"
    & skf18("1","6","8","4","4","3","1") = "7"
    & skf18("1","6","8","4","4","4","1") = "7"
    & skf18("1","6","8","4","4","5","1") = "7"
    & skf18("1","6","8","4","4","6","1") = "7"
    & skf18("1","6","8","4","4","7","1") = "7"
    & skf18("1","6","8","4","4","8","1") = "7"
    & skf18("1","6","8","4","4","9","1") = "8"
    & skf18("1","6","8","4","4","10","1") = "9"
    & skf18("1","6","8","4","5","1","1") = "7"
    & skf18("1","6","8","4","5","2","1") = "7"
    & skf18("1","6","8","4","5","3","1") = "7"
    & skf18("1","6","8","4","5","4","1") = "7"
    & skf18("1","6","8","4","5","5","1") = "7"
    & skf18("1","6","8","4","5","6","1") = "7"
    & skf18("1","6","8","4","5","7","1") = "7"
    & skf18("1","6","8","4","5","8","1") = "7"
    & skf18("1","6","8","4","5","9","1") = "8"
    & skf18("1","6","8","4","5","10","1") = "9"
    & skf18("1","6","8","4","6","1","1") = "7"
    & skf18("1","6","8","4","6","2","1") = "7"
    & skf18("1","6","8","4","6","3","1") = "7"
    & skf18("1","6","8","4","6","4","1") = "7"
    & skf18("1","6","8","4","6","5","1") = "7"
    & skf18("1","6","8","4","6","6","1") = "7"
    & skf18("1","6","8","4","6","7","1") = "7"
    & skf18("1","6","8","4","6","8","1") = "7"
    & skf18("1","6","8","4","6","9","1") = "8"
    & skf18("1","6","8","4","6","10","1") = "9"
    & skf18("1","6","8","4","7","1","1") = "7"
    & skf18("1","6","8","4","7","2","1") = "7"
    & skf18("1","6","8","4","7","3","1") = "7"
    & skf18("1","6","8","4","7","4","1") = "7"
    & skf18("1","6","8","4","7","5","1") = "7"
    & skf18("1","6","8","4","7","6","1") = "7"
    & skf18("1","6","8","4","7","7","1") = "7"
    & skf18("1","6","8","4","7","8","1") = "7"
    & skf18("1","6","8","4","7","9","1") = "8"
    & skf18("1","6","8","4","7","10","1") = "9"
    & skf18("1","6","8","4","8","1","1") = "7"
    & skf18("1","6","8","4","8","2","1") = "7"
    & skf18("1","6","8","4","8","3","1") = "7"
    & skf18("1","6","8","4","8","4","1") = "7"
    & skf18("1","6","8","4","8","5","1") = "7"
    & skf18("1","6","8","4","8","6","1") = "7"
    & skf18("1","6","8","4","8","7","1") = "7"
    & skf18("1","6","8","4","8","8","1") = "7"
    & skf18("1","6","8","4","8","9","1") = "8"
    & skf18("1","6","8","4","8","10","1") = "9"
    & skf18("1","6","8","4","9","1","1") = "8"
    & skf18("1","6","8","4","9","2","1") = "8"
    & skf18("1","6","8","4","9","3","1") = "8"
    & skf18("1","6","8","4","9","4","1") = "8"
    & skf18("1","6","8","4","9","5","1") = "8"
    & skf18("1","6","8","4","9","6","1") = "8"
    & skf18("1","6","8","4","9","7","1") = "8"
    & skf18("1","6","8","4","9","8","1") = "8"
    & skf18("1","6","8","4","9","9","1") = "8"
    & skf18("1","6","8","4","9","10","1") = "9"
    & skf18("1","6","8","4","10","1","1") = "9"
    & skf18("1","6","8","4","10","2","1") = "9"
    & skf18("1","6","8","4","10","3","1") = "9"
    & skf18("1","6","8","4","10","4","1") = "9"
    & skf18("1","6","8","4","10","5","1") = "9"
    & skf18("1","6","8","4","10","6","1") = "9"
    & skf18("1","6","8","4","10","7","1") = "9"
    & skf18("1","6","8","4","10","8","1") = "9"
    & skf18("1","6","8","4","10","9","1") = "9"
    & skf18("1","6","8","4","10","10","1") = "9"
    & skf18("1","6","8","5","1","1","1") = "7"
    & skf18("1","6","8","5","1","2","1") = "7"
    & skf18("1","6","8","5","1","3","1") = "7"
    & skf18("1","6","8","5","1","4","1") = "7"
    & skf18("1","6","8","5","1","5","1") = "7"
    & skf18("1","6","8","5","1","6","1") = "7"
    & skf18("1","6","8","5","1","7","1") = "7"
    & skf18("1","6","8","5","1","8","1") = "7"
    & skf18("1","6","8","5","1","9","1") = "8"
    & skf18("1","6","8","5","1","10","1") = "9"
    & skf18("1","6","8","5","2","1","1") = "7"
    & skf18("1","6","8","5","2","2","1") = "7"
    & skf18("1","6","8","5","2","3","1") = "7"
    & skf18("1","6","8","5","2","4","1") = "7"
    & skf18("1","6","8","5","2","5","1") = "7"
    & skf18("1","6","8","5","2","6","1") = "7"
    & skf18("1","6","8","5","2","7","1") = "7"
    & skf18("1","6","8","5","2","8","1") = "7"
    & skf18("1","6","8","5","2","9","1") = "8"
    & skf18("1","6","8","5","2","10","1") = "9"
    & skf18("1","6","8","5","3","1","1") = "7"
    & skf18("1","6","8","5","3","2","1") = "7"
    & skf18("1","6","8","5","3","3","1") = "7"
    & skf18("1","6","8","5","3","4","1") = "7"
    & skf18("1","6","8","5","3","5","1") = "7"
    & skf18("1","6","8","5","3","6","1") = "7"
    & skf18("1","6","8","5","3","7","1") = "7"
    & skf18("1","6","8","5","3","8","1") = "7"
    & skf18("1","6","8","5","3","9","1") = "8"
    & skf18("1","6","8","5","3","10","1") = "9"
    & skf18("1","6","8","5","4","1","1") = "7"
    & skf18("1","6","8","5","4","2","1") = "7"
    & skf18("1","6","8","5","4","3","1") = "7"
    & skf18("1","6","8","5","4","4","1") = "7"
    & skf18("1","6","8","5","4","5","1") = "7"
    & skf18("1","6","8","5","4","6","1") = "7"
    & skf18("1","6","8","5","4","7","1") = "7"
    & skf18("1","6","8","5","4","8","1") = "7"
    & skf18("1","6","8","5","4","9","1") = "8"
    & skf18("1","6","8","5","4","10","1") = "9"
    & skf18("1","6","8","5","5","1","1") = "7"
    & skf18("1","6","8","5","5","2","1") = "7"
    & skf18("1","6","8","5","5","3","1") = "7"
    & skf18("1","6","8","5","5","4","1") = "7"
    & skf18("1","6","8","5","5","5","1") = "7"
    & skf18("1","6","8","5","5","6","1") = "7"
    & skf18("1","6","8","5","5","7","1") = "7"
    & skf18("1","6","8","5","5","8","1") = "7"
    & skf18("1","6","8","5","5","9","1") = "8"
    & skf18("1","6","8","5","5","10","1") = "9"
    & skf18("1","6","8","5","6","1","1") = "7"
    & skf18("1","6","8","5","6","2","1") = "7"
    & skf18("1","6","8","5","6","3","1") = "7"
    & skf18("1","6","8","5","6","4","1") = "7"
    & skf18("1","6","8","5","6","5","1") = "7"
    & skf18("1","6","8","5","6","6","1") = "7"
    & skf18("1","6","8","5","6","7","1") = "7"
    & skf18("1","6","8","5","6","8","1") = "7"
    & skf18("1","6","8","5","6","9","1") = "8"
    & skf18("1","6","8","5","6","10","1") = "9"
    & skf18("1","6","8","5","7","1","1") = "7"
    & skf18("1","6","8","5","7","2","1") = "7"
    & skf18("1","6","8","5","7","3","1") = "7"
    & skf18("1","6","8","5","7","4","1") = "7"
    & skf18("1","6","8","5","7","5","1") = "7"
    & skf18("1","6","8","5","7","6","1") = "7"
    & skf18("1","6","8","5","7","7","1") = "7"
    & skf18("1","6","8","5","7","8","1") = "7"
    & skf18("1","6","8","5","7","9","1") = "8"
    & skf18("1","6","8","5","7","10","1") = "9"
    & skf18("1","6","8","5","8","1","1") = "7"
    & skf18("1","6","8","5","8","2","1") = "7"
    & skf18("1","6","8","5","8","3","1") = "7"
    & skf18("1","6","8","5","8","4","1") = "7"
    & skf18("1","6","8","5","8","5","1") = "7"
    & skf18("1","6","8","5","8","6","1") = "7"
    & skf18("1","6","8","5","8","7","1") = "7"
    & skf18("1","6","8","5","8","8","1") = "7"
    & skf18("1","6","8","5","8","9","1") = "8"
    & skf18("1","6","8","5","8","10","1") = "9"
    & skf18("1","6","8","5","9","1","1") = "8"
    & skf18("1","6","8","5","9","2","1") = "8"
    & skf18("1","6","8","5","9","3","1") = "8"
    & skf18("1","6","8","5","9","4","1") = "8"
    & skf18("1","6","8","5","9","5","1") = "8"
    & skf18("1","6","8","5","9","6","1") = "8"
    & skf18("1","6","8","5","9","7","1") = "8"
    & skf18("1","6","8","5","9","8","1") = "8"
    & skf18("1","6","8","5","9","9","1") = "8"
    & skf18("1","6","8","5","9","10","1") = "9"
    & skf18("1","6","8","5","10","1","1") = "9"
    & skf18("1","6","8","5","10","2","1") = "9"
    & skf18("1","6","8","5","10","3","1") = "9"
    & skf18("1","6","8","5","10","4","1") = "9"
    & skf18("1","6","8","5","10","5","1") = "9"
    & skf18("1","6","8","5","10","6","1") = "9"
    & skf18("1","6","8","5","10","7","1") = "9"
    & skf18("1","6","8","5","10","8","1") = "9"
    & skf18("1","6","8","5","10","9","1") = "9"
    & skf18("1","6","8","5","10","10","1") = "9"
    & skf18("1","6","8","6","1","1","1") = "7"
    & skf18("1","6","8","6","1","2","1") = "7"
    & skf18("1","6","8","6","1","3","1") = "7"
    & skf18("1","6","8","6","1","4","1") = "7"
    & skf18("1","6","8","6","1","5","1") = "7"
    & skf18("1","6","8","6","1","6","1") = "7"
    & skf18("1","6","8","6","1","7","1") = "7"
    & skf18("1","6","8","6","1","8","1") = "7"
    & skf18("1","6","8","6","1","9","1") = "8"
    & skf18("1","6","8","6","1","10","1") = "9"
    & skf18("1","6","8","6","2","1","1") = "7"
    & skf18("1","6","8","6","2","2","1") = "7"
    & skf18("1","6","8","6","2","3","1") = "7"
    & skf18("1","6","8","6","2","4","1") = "7"
    & skf18("1","6","8","6","2","5","1") = "7"
    & skf18("1","6","8","6","2","6","1") = "7"
    & skf18("1","6","8","6","2","7","1") = "7"
    & skf18("1","6","8","6","2","8","1") = "7"
    & skf18("1","6","8","6","2","9","1") = "8"
    & skf18("1","6","8","6","2","10","1") = "9"
    & skf18("1","6","8","6","3","1","1") = "7"
    & skf18("1","6","8","6","3","2","1") = "7"
    & skf18("1","6","8","6","3","3","1") = "7"
    & skf18("1","6","8","6","3","4","1") = "7"
    & skf18("1","6","8","6","3","5","1") = "7"
    & skf18("1","6","8","6","3","6","1") = "7"
    & skf18("1","6","8","6","3","7","1") = "7"
    & skf18("1","6","8","6","3","8","1") = "7"
    & skf18("1","6","8","6","3","9","1") = "8"
    & skf18("1","6","8","6","3","10","1") = "9"
    & skf18("1","6","8","6","4","1","1") = "7"
    & skf18("1","6","8","6","4","2","1") = "7"
    & skf18("1","6","8","6","4","3","1") = "7"
    & skf18("1","6","8","6","4","4","1") = "7"
    & skf18("1","6","8","6","4","5","1") = "7"
    & skf18("1","6","8","6","4","6","1") = "7"
    & skf18("1","6","8","6","4","7","1") = "7"
    & skf18("1","6","8","6","4","8","1") = "7"
    & skf18("1","6","8","6","4","9","1") = "8"
    & skf18("1","6","8","6","4","10","1") = "9"
    & skf18("1","6","8","6","5","1","1") = "7"
    & skf18("1","6","8","6","5","2","1") = "7"
    & skf18("1","6","8","6","5","3","1") = "7"
    & skf18("1","6","8","6","5","4","1") = "7"
    & skf18("1","6","8","6","5","5","1") = "7"
    & skf18("1","6","8","6","5","6","1") = "7"
    & skf18("1","6","8","6","5","7","1") = "7"
    & skf18("1","6","8","6","5","8","1") = "7"
    & skf18("1","6","8","6","5","9","1") = "8"
    & skf18("1","6","8","6","5","10","1") = "9"
    & skf18("1","6","8","6","6","1","1") = "7"
    & skf18("1","6","8","6","6","2","1") = "7"
    & skf18("1","6","8","6","6","3","1") = "7"
    & skf18("1","6","8","6","6","4","1") = "7"
    & skf18("1","6","8","6","6","5","1") = "7"
    & skf18("1","6","8","6","6","6","1") = "7"
    & skf18("1","6","8","6","6","7","1") = "7"
    & skf18("1","6","8","6","6","8","1") = "7"
    & skf18("1","6","8","6","6","9","1") = "8"
    & skf18("1","6","8","6","6","10","1") = "9"
    & skf18("1","6","8","6","7","1","1") = "7"
    & skf18("1","6","8","6","7","2","1") = "7"
    & skf18("1","6","8","6","7","3","1") = "7"
    & skf18("1","6","8","6","7","4","1") = "7"
    & skf18("1","6","8","6","7","5","1") = "7"
    & skf18("1","6","8","6","7","6","1") = "7"
    & skf18("1","6","8","6","7","7","1") = "7"
    & skf18("1","6","8","6","7","8","1") = "7"
    & skf18("1","6","8","6","7","9","1") = "8"
    & skf18("1","6","8","6","7","10","1") = "9"
    & skf18("1","6","8","6","8","1","1") = "7"
    & skf18("1","6","8","6","8","2","1") = "7"
    & skf18("1","6","8","6","8","3","1") = "7"
    & skf18("1","6","8","6","8","4","1") = "7"
    & skf18("1","6","8","6","8","5","1") = "7"
    & skf18("1","6","8","6","8","6","1") = "7"
    & skf18("1","6","8","6","8","7","1") = "7"
    & skf18("1","6","8","6","8","8","1") = "7"
    & skf18("1","6","8","6","8","9","1") = "8"
    & skf18("1","6","8","6","8","10","1") = "9"
    & skf18("1","6","8","6","9","1","1") = "8"
    & skf18("1","6","8","6","9","2","1") = "8"
    & skf18("1","6","8","6","9","3","1") = "8"
    & skf18("1","6","8","6","9","4","1") = "8"
    & skf18("1","6","8","6","9","5","1") = "8"
    & skf18("1","6","8","6","9","6","1") = "8"
    & skf18("1","6","8","6","9","7","1") = "8"
    & skf18("1","6","8","6","9","8","1") = "8"
    & skf18("1","6","8","6","9","9","1") = "8"
    & skf18("1","6","8","6","9","10","1") = "9"
    & skf18("1","6","8","6","10","1","1") = "9"
    & skf18("1","6","8","6","10","2","1") = "9"
    & skf18("1","6","8","6","10","3","1") = "9"
    & skf18("1","6","8","6","10","4","1") = "9"
    & skf18("1","6","8","6","10","5","1") = "9"
    & skf18("1","6","8","6","10","6","1") = "9"
    & skf18("1","6","8","6","10","7","1") = "9"
    & skf18("1","6","8","6","10","8","1") = "9"
    & skf18("1","6","8","6","10","9","1") = "9"
    & skf18("1","6","8","6","10","10","1") = "9"
    & skf18("1","6","8","7","1","1","1") = "7"
    & skf18("1","6","8","7","1","2","1") = "7"
    & skf18("1","6","8","7","1","3","1") = "7"
    & skf18("1","6","8","7","1","4","1") = "7"
    & skf18("1","6","8","7","1","5","1") = "7"
    & skf18("1","6","8","7","1","6","1") = "7"
    & skf18("1","6","8","7","1","7","1") = "7"
    & skf18("1","6","8","7","1","8","1") = "7"
    & skf18("1","6","8","7","1","9","1") = "8"
    & skf18("1","6","8","7","1","10","1") = "9"
    & skf18("1","6","8","7","2","1","1") = "7"
    & skf18("1","6","8","7","2","2","1") = "7"
    & skf18("1","6","8","7","2","3","1") = "7"
    & skf18("1","6","8","7","2","4","1") = "7"
    & skf18("1","6","8","7","2","5","1") = "7"
    & skf18("1","6","8","7","2","6","1") = "7"
    & skf18("1","6","8","7","2","7","1") = "7"
    & skf18("1","6","8","7","2","8","1") = "7"
    & skf18("1","6","8","7","2","9","1") = "8"
    & skf18("1","6","8","7","2","10","1") = "9"
    & skf18("1","6","8","7","3","1","1") = "7"
    & skf18("1","6","8","7","3","2","1") = "7"
    & skf18("1","6","8","7","3","3","1") = "7"
    & skf18("1","6","8","7","3","4","1") = "7"
    & skf18("1","6","8","7","3","5","1") = "7"
    & skf18("1","6","8","7","3","6","1") = "7"
    & skf18("1","6","8","7","3","7","1") = "7"
    & skf18("1","6","8","7","3","8","1") = "7"
    & skf18("1","6","8","7","3","9","1") = "8"
    & skf18("1","6","8","7","3","10","1") = "9"
    & skf18("1","6","8","7","4","1","1") = "7"
    & skf18("1","6","8","7","4","2","1") = "7"
    & skf18("1","6","8","7","4","3","1") = "7"
    & skf18("1","6","8","7","4","4","1") = "7"
    & skf18("1","6","8","7","4","5","1") = "7"
    & skf18("1","6","8","7","4","6","1") = "7"
    & skf18("1","6","8","7","4","7","1") = "7"
    & skf18("1","6","8","7","4","8","1") = "7"
    & skf18("1","6","8","7","4","9","1") = "8"
    & skf18("1","6","8","7","4","10","1") = "9"
    & skf18("1","6","8","7","5","1","1") = "7"
    & skf18("1","6","8","7","5","2","1") = "7"
    & skf18("1","6","8","7","5","3","1") = "7"
    & skf18("1","6","8","7","5","4","1") = "7"
    & skf18("1","6","8","7","5","5","1") = "7"
    & skf18("1","6","8","7","5","6","1") = "7"
    & skf18("1","6","8","7","5","7","1") = "7"
    & skf18("1","6","8","7","5","8","1") = "7"
    & skf18("1","6","8","7","5","9","1") = "8"
    & skf18("1","6","8","7","5","10","1") = "9"
    & skf18("1","6","8","7","6","1","1") = "7"
    & skf18("1","6","8","7","6","2","1") = "7"
    & skf18("1","6","8","7","6","3","1") = "7"
    & skf18("1","6","8","7","6","4","1") = "7"
    & skf18("1","6","8","7","6","5","1") = "7"
    & skf18("1","6","8","7","6","6","1") = "7"
    & skf18("1","6","8","7","6","7","1") = "7"
    & skf18("1","6","8","7","6","8","1") = "7"
    & skf18("1","6","8","7","6","9","1") = "8"
    & skf18("1","6","8","7","6","10","1") = "9"
    & skf18("1","6","8","7","7","1","1") = "7"
    & skf18("1","6","8","7","7","2","1") = "7"
    & skf18("1","6","8","7","7","3","1") = "7"
    & skf18("1","6","8","7","7","4","1") = "7"
    & skf18("1","6","8","7","7","5","1") = "7"
    & skf18("1","6","8","7","7","6","1") = "7"
    & skf18("1","6","8","7","7","7","1") = "7"
    & skf18("1","6","8","7","7","8","1") = "7"
    & skf18("1","6","8","7","7","9","1") = "8"
    & skf18("1","6","8","7","7","10","1") = "9"
    & skf18("1","6","8","7","8","1","1") = "7"
    & skf18("1","6","8","7","8","2","1") = "7"
    & skf18("1","6","8","7","8","3","1") = "7"
    & skf18("1","6","8","7","8","4","1") = "7"
    & skf18("1","6","8","7","8","5","1") = "7"
    & skf18("1","6","8","7","8","6","1") = "7"
    & skf18("1","6","8","7","8","7","1") = "7"
    & skf18("1","6","8","7","8","8","1") = "7"
    & skf18("1","6","8","7","8","9","1") = "8"
    & skf18("1","6","8","7","8","10","1") = "9"
    & skf18("1","6","8","7","9","1","1") = "8"
    & skf18("1","6","8","7","9","2","1") = "8"
    & skf18("1","6","8","7","9","3","1") = "8"
    & skf18("1","6","8","7","9","4","1") = "8"
    & skf18("1","6","8","7","9","5","1") = "8"
    & skf18("1","6","8","7","9","6","1") = "8"
    & skf18("1","6","8","7","9","7","1") = "8"
    & skf18("1","6","8","7","9","8","1") = "8"
    & skf18("1","6","8","7","9","9","1") = "8"
    & skf18("1","6","8","7","9","10","1") = "9"
    & skf18("1","6","8","7","10","1","1") = "9"
    & skf18("1","6","8","7","10","2","1") = "9"
    & skf18("1","6","8","7","10","3","1") = "9"
    & skf18("1","6","8","7","10","4","1") = "9"
    & skf18("1","6","8","7","10","5","1") = "9"
    & skf18("1","6","8","7","10","6","1") = "9"
    & skf18("1","6","8","7","10","7","1") = "9"
    & skf18("1","6","8","7","10","8","1") = "9"
    & skf18("1","6","8","7","10","9","1") = "9"
    & skf18("1","6","8","7","10","10","1") = "9"
    & skf18("1","6","8","8","1","1","1") = "7"
    & skf18("1","6","8","8","1","2","1") = "7"
    & skf18("1","6","8","8","1","3","1") = "7"
    & skf18("1","6","8","8","1","4","1") = "7"
    & skf18("1","6","8","8","1","5","1") = "7"
    & skf18("1","6","8","8","1","6","1") = "7"
    & skf18("1","6","8","8","1","7","1") = "7"
    & skf18("1","6","8","8","1","8","1") = "7"
    & skf18("1","6","8","8","1","9","1") = "8"
    & skf18("1","6","8","8","1","10","1") = "9"
    & skf18("1","6","8","8","2","1","1") = "7"
    & skf18("1","6","8","8","2","2","1") = "7"
    & skf18("1","6","8","8","2","3","1") = "7"
    & skf18("1","6","8","8","2","4","1") = "7"
    & skf18("1","6","8","8","2","5","1") = "7"
    & skf18("1","6","8","8","2","6","1") = "7"
    & skf18("1","6","8","8","2","7","1") = "7"
    & skf18("1","6","8","8","2","8","1") = "7"
    & skf18("1","6","8","8","2","9","1") = "8"
    & skf18("1","6","8","8","2","10","1") = "9"
    & skf18("1","6","8","8","3","1","1") = "7"
    & skf18("1","6","8","8","3","2","1") = "7"
    & skf18("1","6","8","8","3","3","1") = "7"
    & skf18("1","6","8","8","3","4","1") = "7"
    & skf18("1","6","8","8","3","5","1") = "7"
    & skf18("1","6","8","8","3","6","1") = "7"
    & skf18("1","6","8","8","3","7","1") = "7"
    & skf18("1","6","8","8","3","8","1") = "7"
    & skf18("1","6","8","8","3","9","1") = "8"
    & skf18("1","6","8","8","3","10","1") = "9"
    & skf18("1","6","8","8","4","1","1") = "7"
    & skf18("1","6","8","8","4","2","1") = "7"
    & skf18("1","6","8","8","4","3","1") = "7"
    & skf18("1","6","8","8","4","4","1") = "7"
    & skf18("1","6","8","8","4","5","1") = "7"
    & skf18("1","6","8","8","4","6","1") = "7"
    & skf18("1","6","8","8","4","7","1") = "7"
    & skf18("1","6","8","8","4","8","1") = "7"
    & skf18("1","6","8","8","4","9","1") = "8"
    & skf18("1","6","8","8","4","10","1") = "9"
    & skf18("1","6","8","8","5","1","1") = "7"
    & skf18("1","6","8","8","5","2","1") = "7"
    & skf18("1","6","8","8","5","3","1") = "7"
    & skf18("1","6","8","8","5","4","1") = "7"
    & skf18("1","6","8","8","5","5","1") = "7"
    & skf18("1","6","8","8","5","6","1") = "7"
    & skf18("1","6","8","8","5","7","1") = "7"
    & skf18("1","6","8","8","5","8","1") = "7"
    & skf18("1","6","8","8","5","9","1") = "8"
    & skf18("1","6","8","8","5","10","1") = "9"
    & skf18("1","6","8","8","6","1","1") = "7"
    & skf18("1","6","8","8","6","2","1") = "7"
    & skf18("1","6","8","8","6","3","1") = "7"
    & skf18("1","6","8","8","6","4","1") = "7"
    & skf18("1","6","8","8","6","5","1") = "7"
    & skf18("1","6","8","8","6","6","1") = "7"
    & skf18("1","6","8","8","6","7","1") = "7"
    & skf18("1","6","8","8","6","8","1") = "7"
    & skf18("1","6","8","8","6","9","1") = "8"
    & skf18("1","6","8","8","6","10","1") = "9"
    & skf18("1","6","8","8","7","1","1") = "7"
    & skf18("1","6","8","8","7","2","1") = "7"
    & skf18("1","6","8","8","7","3","1") = "7"
    & skf18("1","6","8","8","7","4","1") = "7"
    & skf18("1","6","8","8","7","5","1") = "7"
    & skf18("1","6","8","8","7","6","1") = "7"
    & skf18("1","6","8","8","7","7","1") = "7"
    & skf18("1","6","8","8","7","8","1") = "7"
    & skf18("1","6","8","8","7","9","1") = "8"
    & skf18("1","6","8","8","7","10","1") = "9"
    & skf18("1","6","8","8","8","1","1") = "7"
    & skf18("1","6","8","8","8","2","1") = "7"
    & skf18("1","6","8","8","8","3","1") = "7"
    & skf18("1","6","8","8","8","4","1") = "7"
    & skf18("1","6","8","8","8","5","1") = "7"
    & skf18("1","6","8","8","8","6","1") = "7"
    & skf18("1","6","8","8","8","7","1") = "7"
    & skf18("1","6","8","8","8","8","1") = "7"
    & skf18("1","6","8","8","8","9","1") = "8"
    & skf18("1","6","8","8","8","10","1") = "9"
    & skf18("1","6","8","8","9","1","1") = "8"
    & skf18("1","6","8","8","9","2","1") = "8"
    & skf18("1","6","8","8","9","3","1") = "8"
    & skf18("1","6","8","8","9","4","1") = "8"
    & skf18("1","6","8","8","9","5","1") = "8"
    & skf18("1","6","8","8","9","6","1") = "8"
    & skf18("1","6","8","8","9","7","1") = "8"
    & skf18("1","6","8","8","9","8","1") = "8"
    & skf18("1","6","8","8","9","9","1") = "8"
    & skf18("1","6","8","8","9","10","1") = "9"
    & skf18("1","6","8","8","10","1","1") = "9"
    & skf18("1","6","8","8","10","2","1") = "9"
    & skf18("1","6","8","8","10","3","1") = "9"
    & skf18("1","6","8","8","10","4","1") = "9"
    & skf18("1","6","8","8","10","5","1") = "9"
    & skf18("1","6","8","8","10","6","1") = "9"
    & skf18("1","6","8","8","10","7","1") = "9"
    & skf18("1","6","8","8","10","8","1") = "9"
    & skf18("1","6","8","8","10","9","1") = "9"
    & skf18("1","6","8","8","10","10","1") = "9"
    & skf18("1","6","8","9","1","1","1") = "8"
    & skf18("1","6","8","9","1","2","1") = "8"
    & skf18("1","6","8","9","1","3","1") = "8"
    & skf18("1","6","8","9","1","4","1") = "8"
    & skf18("1","6","8","9","1","5","1") = "8"
    & skf18("1","6","8","9","1","6","1") = "8"
    & skf18("1","6","8","9","1","7","1") = "8"
    & skf18("1","6","8","9","1","8","1") = "8"
    & skf18("1","6","8","9","1","9","1") = "8"
    & skf18("1","6","8","9","1","10","1") = "9"
    & skf18("1","6","8","9","2","1","1") = "8"
    & skf18("1","6","8","9","2","2","1") = "8"
    & skf18("1","6","8","9","2","3","1") = "8"
    & skf18("1","6","8","9","2","4","1") = "8"
    & skf18("1","6","8","9","2","5","1") = "8"
    & skf18("1","6","8","9","2","6","1") = "8"
    & skf18("1","6","8","9","2","7","1") = "8"
    & skf18("1","6","8","9","2","8","1") = "8"
    & skf18("1","6","8","9","2","9","1") = "8"
    & skf18("1","6","8","9","2","10","1") = "9"
    & skf18("1","6","8","9","3","1","1") = "8"
    & skf18("1","6","8","9","3","2","1") = "8"
    & skf18("1","6","8","9","3","3","1") = "8"
    & skf18("1","6","8","9","3","4","1") = "8"
    & skf18("1","6","8","9","3","5","1") = "8"
    & skf18("1","6","8","9","3","6","1") = "8"
    & skf18("1","6","8","9","3","7","1") = "8"
    & skf18("1","6","8","9","3","8","1") = "8"
    & skf18("1","6","8","9","3","9","1") = "8"
    & skf18("1","6","8","9","3","10","1") = "9"
    & skf18("1","6","8","9","4","1","1") = "8"
    & skf18("1","6","8","9","4","2","1") = "8"
    & skf18("1","6","8","9","4","3","1") = "8"
    & skf18("1","6","8","9","4","4","1") = "8"
    & skf18("1","6","8","9","4","5","1") = "8"
    & skf18("1","6","8","9","4","6","1") = "8"
    & skf18("1","6","8","9","4","7","1") = "8"
    & skf18("1","6","8","9","4","8","1") = "8"
    & skf18("1","6","8","9","4","9","1") = "8"
    & skf18("1","6","8","9","4","10","1") = "9"
    & skf18("1","6","8","9","5","1","1") = "8"
    & skf18("1","6","8","9","5","2","1") = "8"
    & skf18("1","6","8","9","5","3","1") = "8"
    & skf18("1","6","8","9","5","4","1") = "8"
    & skf18("1","6","8","9","5","5","1") = "8"
    & skf18("1","6","8","9","5","6","1") = "8"
    & skf18("1","6","8","9","5","7","1") = "8"
    & skf18("1","6","8","9","5","8","1") = "8"
    & skf18("1","6","8","9","5","9","1") = "8"
    & skf18("1","6","8","9","5","10","1") = "9"
    & skf18("1","6","8","9","6","1","1") = "8"
    & skf18("1","6","8","9","6","2","1") = "8"
    & skf18("1","6","8","9","6","3","1") = "8"
    & skf18("1","6","8","9","6","4","1") = "8"
    & skf18("1","6","8","9","6","5","1") = "8"
    & skf18("1","6","8","9","6","6","1") = "8"
    & skf18("1","6","8","9","6","7","1") = "8"
    & skf18("1","6","8","9","6","8","1") = "8"
    & skf18("1","6","8","9","6","9","1") = "8"
    & skf18("1","6","8","9","6","10","1") = "9"
    & skf18("1","6","8","9","7","1","1") = "8"
    & skf18("1","6","8","9","7","2","1") = "8"
    & skf18("1","6","8","9","7","3","1") = "8"
    & skf18("1","6","8","9","7","4","1") = "8"
    & skf18("1","6","8","9","7","5","1") = "8"
    & skf18("1","6","8","9","7","6","1") = "8"
    & skf18("1","6","8","9","7","7","1") = "8"
    & skf18("1","6","8","9","7","8","1") = "8"
    & skf18("1","6","8","9","7","9","1") = "8"
    & skf18("1","6","8","9","7","10","1") = "9"
    & skf18("1","6","8","9","8","1","1") = "8"
    & skf18("1","6","8","9","8","2","1") = "8"
    & skf18("1","6","8","9","8","3","1") = "8"
    & skf18("1","6","8","9","8","4","1") = "8"
    & skf18("1","6","8","9","8","5","1") = "8"
    & skf18("1","6","8","9","8","6","1") = "8"
    & skf18("1","6","8","9","8","7","1") = "8"
    & skf18("1","6","8","9","8","8","1") = "8"
    & skf18("1","6","8","9","8","9","1") = "8"
    & skf18("1","6","8","9","8","10","1") = "9"
    & skf18("1","6","8","9","9","1","1") = "8"
    & skf18("1","6","8","9","9","2","1") = "8"
    & skf18("1","6","8","9","9","3","1") = "8"
    & skf18("1","6","8","9","9","4","1") = "8"
    & skf18("1","6","8","9","9","5","1") = "8"
    & skf18("1","6","8","9","9","6","1") = "8"
    & skf18("1","6","8","9","9","7","1") = "8"
    & skf18("1","6","8","9","9","8","1") = "8"
    & skf18("1","6","8","9","9","9","1") = "8"
    & skf18("1","6","8","9","9","10","1") = "9"
    & skf18("1","6","8","9","10","1","1") = "9"
    & skf18("1","6","8","9","10","2","1") = "9"
    & skf18("1","6","8","9","10","3","1") = "9"
    & skf18("1","6","8","9","10","4","1") = "9"
    & skf18("1","6","8","9","10","5","1") = "9"
    & skf18("1","6","8","9","10","6","1") = "9"
    & skf18("1","6","8","9","10","7","1") = "9"
    & skf18("1","6","8","9","10","8","1") = "9"
    & skf18("1","6","8","9","10","9","1") = "9"
    & skf18("1","6","8","9","10","10","1") = "9"
    & skf18("1","6","8","10","1","1","1") = "9"
    & skf18("1","6","8","10","1","2","1") = "9"
    & skf18("1","6","8","10","1","3","1") = "9"
    & skf18("1","6","8","10","1","4","1") = "9"
    & skf18("1","6","8","10","1","5","1") = "9"
    & skf18("1","6","8","10","1","6","1") = "9"
    & skf18("1","6","8","10","1","7","1") = "9"
    & skf18("1","6","8","10","1","8","1") = "9"
    & skf18("1","6","8","10","1","9","1") = "9"
    & skf18("1","6","8","10","1","10","1") = "9"
    & skf18("1","6","8","10","2","1","1") = "9"
    & skf18("1","6","8","10","2","2","1") = "9"
    & skf18("1","6","8","10","2","3","1") = "9"
    & skf18("1","6","8","10","2","4","1") = "9"
    & skf18("1","6","8","10","2","5","1") = "9"
    & skf18("1","6","8","10","2","6","1") = "9"
    & skf18("1","6","8","10","2","7","1") = "9"
    & skf18("1","6","8","10","2","8","1") = "9"
    & skf18("1","6","8","10","2","9","1") = "9"
    & skf18("1","6","8","10","2","10","1") = "9"
    & skf18("1","6","8","10","3","1","1") = "9"
    & skf18("1","6","8","10","3","2","1") = "9"
    & skf18("1","6","8","10","3","3","1") = "9"
    & skf18("1","6","8","10","3","4","1") = "9"
    & skf18("1","6","8","10","3","5","1") = "9"
    & skf18("1","6","8","10","3","6","1") = "9"
    & skf18("1","6","8","10","3","7","1") = "9"
    & skf18("1","6","8","10","3","8","1") = "9"
    & skf18("1","6","8","10","3","9","1") = "9"
    & skf18("1","6","8","10","3","10","1") = "9"
    & skf18("1","6","8","10","4","1","1") = "9"
    & skf18("1","6","8","10","4","2","1") = "9"
    & skf18("1","6","8","10","4","3","1") = "9"
    & skf18("1","6","8","10","4","4","1") = "9"
    & skf18("1","6","8","10","4","5","1") = "9"
    & skf18("1","6","8","10","4","6","1") = "9"
    & skf18("1","6","8","10","4","7","1") = "9"
    & skf18("1","6","8","10","4","8","1") = "9"
    & skf18("1","6","8","10","4","9","1") = "9"
    & skf18("1","6","8","10","4","10","1") = "9"
    & skf18("1","6","8","10","5","1","1") = "9"
    & skf18("1","6","8","10","5","2","1") = "9"
    & skf18("1","6","8","10","5","3","1") = "9"
    & skf18("1","6","8","10","5","4","1") = "9"
    & skf18("1","6","8","10","5","5","1") = "9"
    & skf18("1","6","8","10","5","6","1") = "9"
    & skf18("1","6","8","10","5","7","1") = "9"
    & skf18("1","6","8","10","5","8","1") = "9"
    & skf18("1","6","8","10","5","9","1") = "9"
    & skf18("1","6","8","10","5","10","1") = "9"
    & skf18("1","6","8","10","6","1","1") = "9"
    & skf18("1","6","8","10","6","2","1") = "9"
    & skf18("1","6","8","10","6","3","1") = "9"
    & skf18("1","6","8","10","6","4","1") = "9"
    & skf18("1","6","8","10","6","5","1") = "9"
    & skf18("1","6","8","10","6","6","1") = "9"
    & skf18("1","6","8","10","6","7","1") = "9"
    & skf18("1","6","8","10","6","8","1") = "9"
    & skf18("1","6","8","10","6","9","1") = "9"
    & skf18("1","6","8","10","6","10","1") = "9"
    & skf18("1","6","8","10","7","1","1") = "9"
    & skf18("1","6","8","10","7","2","1") = "9"
    & skf18("1","6","8","10","7","3","1") = "9"
    & skf18("1","6","8","10","7","4","1") = "9"
    & skf18("1","6","8","10","7","5","1") = "9"
    & skf18("1","6","8","10","7","6","1") = "9"
    & skf18("1","6","8","10","7","7","1") = "9"
    & skf18("1","6","8","10","7","8","1") = "9"
    & skf18("1","6","8","10","7","9","1") = "9"
    & skf18("1","6","8","10","7","10","1") = "9"
    & skf18("1","6","8","10","8","1","1") = "9"
    & skf18("1","6","8","10","8","2","1") = "9"
    & skf18("1","6","8","10","8","3","1") = "9"
    & skf18("1","6","8","10","8","4","1") = "9"
    & skf18("1","6","8","10","8","5","1") = "9"
    & skf18("1","6","8","10","8","6","1") = "9"
    & skf18("1","6","8","10","8","7","1") = "9"
    & skf18("1","6","8","10","8","8","1") = "9"
    & skf18("1","6","8","10","8","9","1") = "9"
    & skf18("1","6","8","10","8","10","1") = "9"
    & skf18("1","6","8","10","9","1","1") = "9"
    & skf18("1","6","8","10","9","2","1") = "9"
    & skf18("1","6","8","10","9","3","1") = "9"
    & skf18("1","6","8","10","9","4","1") = "9"
    & skf18("1","6","8","10","9","5","1") = "9"
    & skf18("1","6","8","10","9","6","1") = "9"
    & skf18("1","6","8","10","9","7","1") = "9"
    & skf18("1","6","8","10","9","8","1") = "9"
    & skf18("1","6","8","10","9","9","1") = "9"
    & skf18("1","6","8","10","9","10","1") = "9"
    & skf18("1","6","8","10","10","1","1") = "9"
    & skf18("1","6","8","10","10","2","1") = "9"
    & skf18("1","6","8","10","10","3","1") = "9"
    & skf18("1","6","8","10","10","4","1") = "9"
    & skf18("1","6","8","10","10","5","1") = "9"
    & skf18("1","6","8","10","10","6","1") = "9"
    & skf18("1","6","8","10","10","7","1") = "9"
    & skf18("1","6","8","10","10","8","1") = "9"
    & skf18("1","6","8","10","10","9","1") = "9"
    & skf18("1","6","8","10","10","10","1") = "9"
    & skf18("1","6","9","1","1","1","1") = "8"
    & skf18("1","6","9","1","1","2","1") = "8"
    & skf18("1","6","9","1","1","3","1") = "8"
    & skf18("1","6","9","1","1","4","1") = "8"
    & skf18("1","6","9","1","1","5","1") = "8"
    & skf18("1","6","9","1","1","6","1") = "8"
    & skf18("1","6","9","1","1","7","1") = "8"
    & skf18("1","6","9","1","1","8","1") = "8"
    & skf18("1","6","9","1","1","9","1") = "8"
    & skf18("1","6","9","1","1","10","1") = "9"
    & skf18("1","6","9","1","2","1","1") = "8"
    & skf18("1","6","9","1","2","2","1") = "8"
    & skf18("1","6","9","1","2","3","1") = "8"
    & skf18("1","6","9","1","2","4","1") = "8"
    & skf18("1","6","9","1","2","5","1") = "8"
    & skf18("1","6","9","1","2","6","1") = "8"
    & skf18("1","6","9","1","2","7","1") = "8"
    & skf18("1","6","9","1","2","8","1") = "8"
    & skf18("1","6","9","1","2","9","1") = "8"
    & skf18("1","6","9","1","2","10","1") = "9"
    & skf18("1","6","9","1","3","1","1") = "8"
    & skf18("1","6","9","1","3","2","1") = "8"
    & skf18("1","6","9","1","3","3","1") = "8"
    & skf18("1","6","9","1","3","4","1") = "8"
    & skf18("1","6","9","1","3","5","1") = "8"
    & skf18("1","6","9","1","3","6","1") = "8"
    & skf18("1","6","9","1","3","7","1") = "8"
    & skf18("1","6","9","1","3","8","1") = "8"
    & skf18("1","6","9","1","3","9","1") = "8"
    & skf18("1","6","9","1","3","10","1") = "9"
    & skf18("1","6","9","1","4","1","1") = "8"
    & skf18("1","6","9","1","4","2","1") = "8"
    & skf18("1","6","9","1","4","3","1") = "8"
    & skf18("1","6","9","1","4","4","1") = "8"
    & skf18("1","6","9","1","4","5","1") = "8"
    & skf18("1","6","9","1","4","6","1") = "8"
    & skf18("1","6","9","1","4","7","1") = "8"
    & skf18("1","6","9","1","4","8","1") = "8"
    & skf18("1","6","9","1","4","9","1") = "8"
    & skf18("1","6","9","1","4","10","1") = "9"
    & skf18("1","6","9","1","5","1","1") = "8"
    & skf18("1","6","9","1","5","2","1") = "8"
    & skf18("1","6","9","1","5","3","1") = "8"
    & skf18("1","6","9","1","5","4","1") = "8"
    & skf18("1","6","9","1","5","5","1") = "8"
    & skf18("1","6","9","1","5","6","1") = "8"
    & skf18("1","6","9","1","5","7","1") = "8"
    & skf18("1","6","9","1","5","8","1") = "8"
    & skf18("1","6","9","1","5","9","1") = "8"
    & skf18("1","6","9","1","5","10","1") = "9"
    & skf18("1","6","9","1","6","1","1") = "8"
    & skf18("1","6","9","1","6","2","1") = "8"
    & skf18("1","6","9","1","6","3","1") = "8"
    & skf18("1","6","9","1","6","4","1") = "8"
    & skf18("1","6","9","1","6","5","1") = "8"
    & skf18("1","6","9","1","6","6","1") = "8"
    & skf18("1","6","9","1","6","7","1") = "8"
    & skf18("1","6","9","1","6","8","1") = "8"
    & skf18("1","6","9","1","6","9","1") = "8"
    & skf18("1","6","9","1","6","10","1") = "9"
    & skf18("1","6","9","1","7","1","1") = "8"
    & skf18("1","6","9","1","7","2","1") = "8"
    & skf18("1","6","9","1","7","3","1") = "8"
    & skf18("1","6","9","1","7","4","1") = "8"
    & skf18("1","6","9","1","7","5","1") = "8"
    & skf18("1","6","9","1","7","6","1") = "8"
    & skf18("1","6","9","1","7","7","1") = "8"
    & skf18("1","6","9","1","7","8","1") = "8"
    & skf18("1","6","9","1","7","9","1") = "8"
    & skf18("1","6","9","1","7","10","1") = "9"
    & skf18("1","6","9","1","8","1","1") = "8"
    & skf18("1","6","9","1","8","2","1") = "8"
    & skf18("1","6","9","1","8","3","1") = "8"
    & skf18("1","6","9","1","8","4","1") = "8"
    & skf18("1","6","9","1","8","5","1") = "8"
    & skf18("1","6","9","1","8","6","1") = "8"
    & skf18("1","6","9","1","8","7","1") = "8"
    & skf18("1","6","9","1","8","8","1") = "8"
    & skf18("1","6","9","1","8","9","1") = "8"
    & skf18("1","6","9","1","8","10","1") = "9"
    & skf18("1","6","9","1","9","1","1") = "8"
    & skf18("1","6","9","1","9","2","1") = "8"
    & skf18("1","6","9","1","9","3","1") = "8"
    & skf18("1","6","9","1","9","4","1") = "8"
    & skf18("1","6","9","1","9","5","1") = "8"
    & skf18("1","6","9","1","9","6","1") = "8"
    & skf18("1","6","9","1","9","7","1") = "8"
    & skf18("1","6","9","1","9","8","1") = "8"
    & skf18("1","6","9","1","9","9","1") = "8"
    & skf18("1","6","9","1","9","10","1") = "9"
    & skf18("1","6","9","1","10","1","1") = "9"
    & skf18("1","6","9","1","10","2","1") = "9"
    & skf18("1","6","9","1","10","3","1") = "9"
    & skf18("1","6","9","1","10","4","1") = "9"
    & skf18("1","6","9","1","10","5","1") = "9"
    & skf18("1","6","9","1","10","6","1") = "9"
    & skf18("1","6","9","1","10","7","1") = "9"
    & skf18("1","6","9","1","10","8","1") = "9"
    & skf18("1","6","9","1","10","9","1") = "9"
    & skf18("1","6","9","1","10","10","1") = "9"
    & skf18("1","6","9","2","1","1","1") = "8"
    & skf18("1","6","9","2","1","2","1") = "8"
    & skf18("1","6","9","2","1","3","1") = "8"
    & skf18("1","6","9","2","1","4","1") = "8"
    & skf18("1","6","9","2","1","5","1") = "8"
    & skf18("1","6","9","2","1","6","1") = "8"
    & skf18("1","6","9","2","1","7","1") = "8"
    & skf18("1","6","9","2","1","8","1") = "8"
    & skf18("1","6","9","2","1","9","1") = "8"
    & skf18("1","6","9","2","1","10","1") = "9"
    & skf18("1","6","9","2","2","1","1") = "8"
    & skf18("1","6","9","2","2","2","1") = "8"
    & skf18("1","6","9","2","2","3","1") = "8"
    & skf18("1","6","9","2","2","4","1") = "8"
    & skf18("1","6","9","2","2","5","1") = "8"
    & skf18("1","6","9","2","2","6","1") = "8"
    & skf18("1","6","9","2","2","7","1") = "8"
    & skf18("1","6","9","2","2","8","1") = "8"
    & skf18("1","6","9","2","2","9","1") = "8"
    & skf18("1","6","9","2","2","10","1") = "9"
    & skf18("1","6","9","2","3","1","1") = "8"
    & skf18("1","6","9","2","3","2","1") = "8"
    & skf18("1","6","9","2","3","3","1") = "8"
    & skf18("1","6","9","2","3","4","1") = "8"
    & skf18("1","6","9","2","3","5","1") = "8"
    & skf18("1","6","9","2","3","6","1") = "8"
    & skf18("1","6","9","2","3","7","1") = "8"
    & skf18("1","6","9","2","3","8","1") = "8"
    & skf18("1","6","9","2","3","9","1") = "8"
    & skf18("1","6","9","2","3","10","1") = "9"
    & skf18("1","6","9","2","4","1","1") = "8"
    & skf18("1","6","9","2","4","2","1") = "8"
    & skf18("1","6","9","2","4","3","1") = "8"
    & skf18("1","6","9","2","4","4","1") = "8"
    & skf18("1","6","9","2","4","5","1") = "8"
    & skf18("1","6","9","2","4","6","1") = "8"
    & skf18("1","6","9","2","4","7","1") = "8"
    & skf18("1","6","9","2","4","8","1") = "8"
    & skf18("1","6","9","2","4","9","1") = "8"
    & skf18("1","6","9","2","4","10","1") = "9"
    & skf18("1","6","9","2","5","1","1") = "8"
    & skf18("1","6","9","2","5","2","1") = "8"
    & skf18("1","6","9","2","5","3","1") = "8"
    & skf18("1","6","9","2","5","4","1") = "8"
    & skf18("1","6","9","2","5","5","1") = "8"
    & skf18("1","6","9","2","5","6","1") = "8"
    & skf18("1","6","9","2","5","7","1") = "8"
    & skf18("1","6","9","2","5","8","1") = "8"
    & skf18("1","6","9","2","5","9","1") = "8"
    & skf18("1","6","9","2","5","10","1") = "9"
    & skf18("1","6","9","2","6","1","1") = "8"
    & skf18("1","6","9","2","6","2","1") = "8"
    & skf18("1","6","9","2","6","3","1") = "8"
    & skf18("1","6","9","2","6","4","1") = "8"
    & skf18("1","6","9","2","6","5","1") = "8"
    & skf18("1","6","9","2","6","6","1") = "8"
    & skf18("1","6","9","2","6","7","1") = "8"
    & skf18("1","6","9","2","6","8","1") = "8"
    & skf18("1","6","9","2","6","9","1") = "8"
    & skf18("1","6","9","2","6","10","1") = "9"
    & skf18("1","6","9","2","7","1","1") = "8"
    & skf18("1","6","9","2","7","2","1") = "8"
    & skf18("1","6","9","2","7","3","1") = "8"
    & skf18("1","6","9","2","7","4","1") = "8"
    & skf18("1","6","9","2","7","5","1") = "8"
    & skf18("1","6","9","2","7","6","1") = "8"
    & skf18("1","6","9","2","7","7","1") = "8"
    & skf18("1","6","9","2","7","8","1") = "8"
    & skf18("1","6","9","2","7","9","1") = "8"
    & skf18("1","6","9","2","7","10","1") = "9"
    & skf18("1","6","9","2","8","1","1") = "8"
    & skf18("1","6","9","2","8","2","1") = "8"
    & skf18("1","6","9","2","8","3","1") = "8"
    & skf18("1","6","9","2","8","4","1") = "8"
    & skf18("1","6","9","2","8","5","1") = "8"
    & skf18("1","6","9","2","8","6","1") = "8"
    & skf18("1","6","9","2","8","7","1") = "8"
    & skf18("1","6","9","2","8","8","1") = "8"
    & skf18("1","6","9","2","8","9","1") = "8"
    & skf18("1","6","9","2","8","10","1") = "9"
    & skf18("1","6","9","2","9","1","1") = "8"
    & skf18("1","6","9","2","9","2","1") = "8"
    & skf18("1","6","9","2","9","3","1") = "8"
    & skf18("1","6","9","2","9","4","1") = "8"
    & skf18("1","6","9","2","9","5","1") = "8"
    & skf18("1","6","9","2","9","6","1") = "8"
    & skf18("1","6","9","2","9","7","1") = "8"
    & skf18("1","6","9","2","9","8","1") = "8"
    & skf18("1","6","9","2","9","9","1") = "8"
    & skf18("1","6","9","2","9","10","1") = "9"
    & skf18("1","6","9","2","10","1","1") = "9"
    & skf18("1","6","9","2","10","2","1") = "9"
    & skf18("1","6","9","2","10","3","1") = "9"
    & skf18("1","6","9","2","10","4","1") = "9"
    & skf18("1","6","9","2","10","5","1") = "9"
    & skf18("1","6","9","2","10","6","1") = "9"
    & skf18("1","6","9","2","10","7","1") = "9"
    & skf18("1","6","9","2","10","8","1") = "9"
    & skf18("1","6","9","2","10","9","1") = "9"
    & skf18("1","6","9","2","10","10","1") = "9"
    & skf18("1","6","9","3","1","1","1") = "8"
    & skf18("1","6","9","3","1","2","1") = "8"
    & skf18("1","6","9","3","1","3","1") = "8"
    & skf18("1","6","9","3","1","4","1") = "8"
    & skf18("1","6","9","3","1","5","1") = "8"
    & skf18("1","6","9","3","1","6","1") = "8"
    & skf18("1","6","9","3","1","7","1") = "8"
    & skf18("1","6","9","3","1","8","1") = "8"
    & skf18("1","6","9","3","1","9","1") = "8"
    & skf18("1","6","9","3","1","10","1") = "9"
    & skf18("1","6","9","3","2","1","1") = "8"
    & skf18("1","6","9","3","2","2","1") = "8"
    & skf18("1","6","9","3","2","3","1") = "8"
    & skf18("1","6","9","3","2","4","1") = "8"
    & skf18("1","6","9","3","2","5","1") = "8"
    & skf18("1","6","9","3","2","6","1") = "8"
    & skf18("1","6","9","3","2","7","1") = "8"
    & skf18("1","6","9","3","2","8","1") = "8"
    & skf18("1","6","9","3","2","9","1") = "8"
    & skf18("1","6","9","3","2","10","1") = "9"
    & skf18("1","6","9","3","3","1","1") = "8"
    & skf18("1","6","9","3","3","2","1") = "8"
    & skf18("1","6","9","3","3","3","1") = "8"
    & skf18("1","6","9","3","3","4","1") = "8"
    & skf18("1","6","9","3","3","5","1") = "8"
    & skf18("1","6","9","3","3","6","1") = "8"
    & skf18("1","6","9","3","3","7","1") = "8"
    & skf18("1","6","9","3","3","8","1") = "8"
    & skf18("1","6","9","3","3","9","1") = "8"
    & skf18("1","6","9","3","3","10","1") = "9"
    & skf18("1","6","9","3","4","1","1") = "8"
    & skf18("1","6","9","3","4","2","1") = "8"
    & skf18("1","6","9","3","4","3","1") = "8"
    & skf18("1","6","9","3","4","4","1") = "8"
    & skf18("1","6","9","3","4","5","1") = "8"
    & skf18("1","6","9","3","4","6","1") = "8"
    & skf18("1","6","9","3","4","7","1") = "8"
    & skf18("1","6","9","3","4","8","1") = "8"
    & skf18("1","6","9","3","4","9","1") = "8"
    & skf18("1","6","9","3","4","10","1") = "9"
    & skf18("1","6","9","3","5","1","1") = "8"
    & skf18("1","6","9","3","5","2","1") = "8"
    & skf18("1","6","9","3","5","3","1") = "8"
    & skf18("1","6","9","3","5","4","1") = "8"
    & skf18("1","6","9","3","5","5","1") = "8"
    & skf18("1","6","9","3","5","6","1") = "8"
    & skf18("1","6","9","3","5","7","1") = "8"
    & skf18("1","6","9","3","5","8","1") = "8"
    & skf18("1","6","9","3","5","9","1") = "8"
    & skf18("1","6","9","3","5","10","1") = "9"
    & skf18("1","6","9","3","6","1","1") = "8"
    & skf18("1","6","9","3","6","2","1") = "8"
    & skf18("1","6","9","3","6","3","1") = "8"
    & skf18("1","6","9","3","6","4","1") = "8"
    & skf18("1","6","9","3","6","5","1") = "8"
    & skf18("1","6","9","3","6","6","1") = "8"
    & skf18("1","6","9","3","6","7","1") = "8"
    & skf18("1","6","9","3","6","8","1") = "8"
    & skf18("1","6","9","3","6","9","1") = "8"
    & skf18("1","6","9","3","6","10","1") = "9"
    & skf18("1","6","9","3","7","1","1") = "8"
    & skf18("1","6","9","3","7","2","1") = "8"
    & skf18("1","6","9","3","7","3","1") = "8"
    & skf18("1","6","9","3","7","4","1") = "8"
    & skf18("1","6","9","3","7","5","1") = "8"
    & skf18("1","6","9","3","7","6","1") = "8"
    & skf18("1","6","9","3","7","7","1") = "8"
    & skf18("1","6","9","3","7","8","1") = "8"
    & skf18("1","6","9","3","7","9","1") = "8"
    & skf18("1","6","9","3","7","10","1") = "9"
    & skf18("1","6","9","3","8","1","1") = "8"
    & skf18("1","6","9","3","8","2","1") = "8"
    & skf18("1","6","9","3","8","3","1") = "8"
    & skf18("1","6","9","3","8","4","1") = "8"
    & skf18("1","6","9","3","8","5","1") = "8"
    & skf18("1","6","9","3","8","6","1") = "8"
    & skf18("1","6","9","3","8","7","1") = "8"
    & skf18("1","6","9","3","8","8","1") = "8"
    & skf18("1","6","9","3","8","9","1") = "8"
    & skf18("1","6","9","3","8","10","1") = "9"
    & skf18("1","6","9","3","9","1","1") = "8"
    & skf18("1","6","9","3","9","2","1") = "8"
    & skf18("1","6","9","3","9","3","1") = "8"
    & skf18("1","6","9","3","9","4","1") = "8"
    & skf18("1","6","9","3","9","5","1") = "8"
    & skf18("1","6","9","3","9","6","1") = "8"
    & skf18("1","6","9","3","9","7","1") = "8"
    & skf18("1","6","9","3","9","8","1") = "8"
    & skf18("1","6","9","3","9","9","1") = "8"
    & skf18("1","6","9","3","9","10","1") = "9"
    & skf18("1","6","9","3","10","1","1") = "9"
    & skf18("1","6","9","3","10","2","1") = "9"
    & skf18("1","6","9","3","10","3","1") = "9"
    & skf18("1","6","9","3","10","4","1") = "9"
    & skf18("1","6","9","3","10","5","1") = "9"
    & skf18("1","6","9","3","10","6","1") = "9"
    & skf18("1","6","9","3","10","7","1") = "9"
    & skf18("1","6","9","3","10","8","1") = "9"
    & skf18("1","6","9","3","10","9","1") = "9"
    & skf18("1","6","9","3","10","10","1") = "9"
    & skf18("1","6","9","4","1","1","1") = "8"
    & skf18("1","6","9","4","1","2","1") = "8"
    & skf18("1","6","9","4","1","3","1") = "8"
    & skf18("1","6","9","4","1","4","1") = "8"
    & skf18("1","6","9","4","1","5","1") = "8"
    & skf18("1","6","9","4","1","6","1") = "8"
    & skf18("1","6","9","4","1","7","1") = "8"
    & skf18("1","6","9","4","1","8","1") = "8"
    & skf18("1","6","9","4","1","9","1") = "8"
    & skf18("1","6","9","4","1","10","1") = "9"
    & skf18("1","6","9","4","2","1","1") = "8"
    & skf18("1","6","9","4","2","2","1") = "8"
    & skf18("1","6","9","4","2","3","1") = "8"
    & skf18("1","6","9","4","2","4","1") = "8"
    & skf18("1","6","9","4","2","5","1") = "8"
    & skf18("1","6","9","4","2","6","1") = "8"
    & skf18("1","6","9","4","2","7","1") = "8"
    & skf18("1","6","9","4","2","8","1") = "8"
    & skf18("1","6","9","4","2","9","1") = "8"
    & skf18("1","6","9","4","2","10","1") = "9"
    & skf18("1","6","9","4","3","1","1") = "8"
    & skf18("1","6","9","4","3","2","1") = "8"
    & skf18("1","6","9","4","3","3","1") = "8"
    & skf18("1","6","9","4","3","4","1") = "8"
    & skf18("1","6","9","4","3","5","1") = "8"
    & skf18("1","6","9","4","3","6","1") = "8"
    & skf18("1","6","9","4","3","7","1") = "8"
    & skf18("1","6","9","4","3","8","1") = "8"
    & skf18("1","6","9","4","3","9","1") = "8"
    & skf18("1","6","9","4","3","10","1") = "9"
    & skf18("1","6","9","4","4","1","1") = "8"
    & skf18("1","6","9","4","4","2","1") = "8"
    & skf18("1","6","9","4","4","3","1") = "8"
    & skf18("1","6","9","4","4","4","1") = "8"
    & skf18("1","6","9","4","4","5","1") = "8"
    & skf18("1","6","9","4","4","6","1") = "8"
    & skf18("1","6","9","4","4","7","1") = "8"
    & skf18("1","6","9","4","4","8","1") = "8"
    & skf18("1","6","9","4","4","9","1") = "8"
    & skf18("1","6","9","4","4","10","1") = "9"
    & skf18("1","6","9","4","5","1","1") = "8"
    & skf18("1","6","9","4","5","2","1") = "8"
    & skf18("1","6","9","4","5","3","1") = "8"
    & skf18("1","6","9","4","5","4","1") = "8"
    & skf18("1","6","9","4","5","5","1") = "8"
    & skf18("1","6","9","4","5","6","1") = "8"
    & skf18("1","6","9","4","5","7","1") = "8"
    & skf18("1","6","9","4","5","8","1") = "8"
    & skf18("1","6","9","4","5","9","1") = "8"
    & skf18("1","6","9","4","5","10","1") = "9"
    & skf18("1","6","9","4","6","1","1") = "8"
    & skf18("1","6","9","4","6","2","1") = "8"
    & skf18("1","6","9","4","6","3","1") = "8"
    & skf18("1","6","9","4","6","4","1") = "8"
    & skf18("1","6","9","4","6","5","1") = "8"
    & skf18("1","6","9","4","6","6","1") = "8"
    & skf18("1","6","9","4","6","7","1") = "8"
    & skf18("1","6","9","4","6","8","1") = "8"
    & skf18("1","6","9","4","6","9","1") = "8"
    & skf18("1","6","9","4","6","10","1") = "9"
    & skf18("1","6","9","4","7","1","1") = "8"
    & skf18("1","6","9","4","7","2","1") = "8"
    & skf18("1","6","9","4","7","3","1") = "8"
    & skf18("1","6","9","4","7","4","1") = "8"
    & skf18("1","6","9","4","7","5","1") = "8"
    & skf18("1","6","9","4","7","6","1") = "8"
    & skf18("1","6","9","4","7","7","1") = "8"
    & skf18("1","6","9","4","7","8","1") = "8"
    & skf18("1","6","9","4","7","9","1") = "8"
    & skf18("1","6","9","4","7","10","1") = "9"
    & skf18("1","6","9","4","8","1","1") = "8"
    & skf18("1","6","9","4","8","2","1") = "8"
    & skf18("1","6","9","4","8","3","1") = "8"
    & skf18("1","6","9","4","8","4","1") = "8"
    & skf18("1","6","9","4","8","5","1") = "8"
    & skf18("1","6","9","4","8","6","1") = "8"
    & skf18("1","6","9","4","8","7","1") = "8"
    & skf18("1","6","9","4","8","8","1") = "8"
    & skf18("1","6","9","4","8","9","1") = "8"
    & skf18("1","6","9","4","8","10","1") = "9"
    & skf18("1","6","9","4","9","1","1") = "8"
    & skf18("1","6","9","4","9","2","1") = "8"
    & skf18("1","6","9","4","9","3","1") = "8"
    & skf18("1","6","9","4","9","4","1") = "8"
    & skf18("1","6","9","4","9","5","1") = "8"
    & skf18("1","6","9","4","9","6","1") = "8"
    & skf18("1","6","9","4","9","7","1") = "8"
    & skf18("1","6","9","4","9","8","1") = "8"
    & skf18("1","6","9","4","9","9","1") = "8"
    & skf18("1","6","9","4","9","10","1") = "9"
    & skf18("1","6","9","4","10","1","1") = "9"
    & skf18("1","6","9","4","10","2","1") = "9"
    & skf18("1","6","9","4","10","3","1") = "9"
    & skf18("1","6","9","4","10","4","1") = "9"
    & skf18("1","6","9","4","10","5","1") = "9"
    & skf18("1","6","9","4","10","6","1") = "9"
    & skf18("1","6","9","4","10","7","1") = "9"
    & skf18("1","6","9","4","10","8","1") = "9"
    & skf18("1","6","9","4","10","9","1") = "9"
    & skf18("1","6","9","4","10","10","1") = "9"
    & skf18("1","6","9","5","1","1","1") = "8"
    & skf18("1","6","9","5","1","2","1") = "8"
    & skf18("1","6","9","5","1","3","1") = "8"
    & skf18("1","6","9","5","1","4","1") = "8"
    & skf18("1","6","9","5","1","5","1") = "8"
    & skf18("1","6","9","5","1","6","1") = "8"
    & skf18("1","6","9","5","1","7","1") = "8"
    & skf18("1","6","9","5","1","8","1") = "8"
    & skf18("1","6","9","5","1","9","1") = "8"
    & skf18("1","6","9","5","1","10","1") = "9"
    & skf18("1","6","9","5","2","1","1") = "8"
    & skf18("1","6","9","5","2","2","1") = "8"
    & skf18("1","6","9","5","2","3","1") = "8"
    & skf18("1","6","9","5","2","4","1") = "8"
    & skf18("1","6","9","5","2","5","1") = "8"
    & skf18("1","6","9","5","2","6","1") = "8"
    & skf18("1","6","9","5","2","7","1") = "8"
    & skf18("1","6","9","5","2","8","1") = "8"
    & skf18("1","6","9","5","2","9","1") = "8"
    & skf18("1","6","9","5","2","10","1") = "9"
    & skf18("1","6","9","5","3","1","1") = "8"
    & skf18("1","6","9","5","3","2","1") = "8"
    & skf18("1","6","9","5","3","3","1") = "8"
    & skf18("1","6","9","5","3","4","1") = "8"
    & skf18("1","6","9","5","3","5","1") = "8"
    & skf18("1","6","9","5","3","6","1") = "8"
    & skf18("1","6","9","5","3","7","1") = "8"
    & skf18("1","6","9","5","3","8","1") = "8"
    & skf18("1","6","9","5","3","9","1") = "8"
    & skf18("1","6","9","5","3","10","1") = "9"
    & skf18("1","6","9","5","4","1","1") = "8"
    & skf18("1","6","9","5","4","2","1") = "8"
    & skf18("1","6","9","5","4","3","1") = "8"
    & skf18("1","6","9","5","4","4","1") = "8"
    & skf18("1","6","9","5","4","5","1") = "8"
    & skf18("1","6","9","5","4","6","1") = "8"
    & skf18("1","6","9","5","4","7","1") = "8"
    & skf18("1","6","9","5","4","8","1") = "8"
    & skf18("1","6","9","5","4","9","1") = "8"
    & skf18("1","6","9","5","4","10","1") = "9"
    & skf18("1","6","9","5","5","1","1") = "8"
    & skf18("1","6","9","5","5","2","1") = "8"
    & skf18("1","6","9","5","5","3","1") = "8"
    & skf18("1","6","9","5","5","4","1") = "8"
    & skf18("1","6","9","5","5","5","1") = "8"
    & skf18("1","6","9","5","5","6","1") = "8"
    & skf18("1","6","9","5","5","7","1") = "8"
    & skf18("1","6","9","5","5","8","1") = "8"
    & skf18("1","6","9","5","5","9","1") = "8"
    & skf18("1","6","9","5","5","10","1") = "9"
    & skf18("1","6","9","5","6","1","1") = "8"
    & skf18("1","6","9","5","6","2","1") = "8"
    & skf18("1","6","9","5","6","3","1") = "8"
    & skf18("1","6","9","5","6","4","1") = "8"
    & skf18("1","6","9","5","6","5","1") = "8"
    & skf18("1","6","9","5","6","6","1") = "8"
    & skf18("1","6","9","5","6","7","1") = "8"
    & skf18("1","6","9","5","6","8","1") = "8"
    & skf18("1","6","9","5","6","9","1") = "8"
    & skf18("1","6","9","5","6","10","1") = "9"
    & skf18("1","6","9","5","7","1","1") = "8"
    & skf18("1","6","9","5","7","2","1") = "8"
    & skf18("1","6","9","5","7","3","1") = "8"
    & skf18("1","6","9","5","7","4","1") = "8"
    & skf18("1","6","9","5","7","5","1") = "8"
    & skf18("1","6","9","5","7","6","1") = "8"
    & skf18("1","6","9","5","7","7","1") = "8"
    & skf18("1","6","9","5","7","8","1") = "8"
    & skf18("1","6","9","5","7","9","1") = "8"
    & skf18("1","6","9","5","7","10","1") = "9"
    & skf18("1","6","9","5","8","1","1") = "8"
    & skf18("1","6","9","5","8","2","1") = "8"
    & skf18("1","6","9","5","8","3","1") = "8"
    & skf18("1","6","9","5","8","4","1") = "8"
    & skf18("1","6","9","5","8","5","1") = "8"
    & skf18("1","6","9","5","8","6","1") = "8"
    & skf18("1","6","9","5","8","7","1") = "8"
    & skf18("1","6","9","5","8","8","1") = "8"
    & skf18("1","6","9","5","8","9","1") = "8"
    & skf18("1","6","9","5","8","10","1") = "9"
    & skf18("1","6","9","5","9","1","1") = "8"
    & skf18("1","6","9","5","9","2","1") = "8"
    & skf18("1","6","9","5","9","3","1") = "8"
    & skf18("1","6","9","5","9","4","1") = "8"
    & skf18("1","6","9","5","9","5","1") = "8"
    & skf18("1","6","9","5","9","6","1") = "8"
    & skf18("1","6","9","5","9","7","1") = "8"
    & skf18("1","6","9","5","9","8","1") = "8"
    & skf18("1","6","9","5","9","9","1") = "8"
    & skf18("1","6","9","5","9","10","1") = "9"
    & skf18("1","6","9","5","10","1","1") = "9"
    & skf18("1","6","9","5","10","2","1") = "9"
    & skf18("1","6","9","5","10","3","1") = "9"
    & skf18("1","6","9","5","10","4","1") = "9"
    & skf18("1","6","9","5","10","5","1") = "9"
    & skf18("1","6","9","5","10","6","1") = "9"
    & skf18("1","6","9","5","10","7","1") = "9"
    & skf18("1","6","9","5","10","8","1") = "9"
    & skf18("1","6","9","5","10","9","1") = "9"
    & skf18("1","6","9","5","10","10","1") = "9"
    & skf18("1","6","9","6","1","1","1") = "8"
    & skf18("1","6","9","6","1","2","1") = "8"
    & skf18("1","6","9","6","1","3","1") = "8"
    & skf18("1","6","9","6","1","4","1") = "8"
    & skf18("1","6","9","6","1","5","1") = "8"
    & skf18("1","6","9","6","1","6","1") = "8"
    & skf18("1","6","9","6","1","7","1") = "8"
    & skf18("1","6","9","6","1","8","1") = "8"
    & skf18("1","6","9","6","1","9","1") = "8"
    & skf18("1","6","9","6","1","10","1") = "9"
    & skf18("1","6","9","6","2","1","1") = "8"
    & skf18("1","6","9","6","2","2","1") = "8"
    & skf18("1","6","9","6","2","3","1") = "8"
    & skf18("1","6","9","6","2","4","1") = "8"
    & skf18("1","6","9","6","2","5","1") = "8"
    & skf18("1","6","9","6","2","6","1") = "8"
    & skf18("1","6","9","6","2","7","1") = "8"
    & skf18("1","6","9","6","2","8","1") = "8"
    & skf18("1","6","9","6","2","9","1") = "8"
    & skf18("1","6","9","6","2","10","1") = "9"
    & skf18("1","6","9","6","3","1","1") = "8"
    & skf18("1","6","9","6","3","2","1") = "8"
    & skf18("1","6","9","6","3","3","1") = "8"
    & skf18("1","6","9","6","3","4","1") = "8"
    & skf18("1","6","9","6","3","5","1") = "8"
    & skf18("1","6","9","6","3","6","1") = "8"
    & skf18("1","6","9","6","3","7","1") = "8"
    & skf18("1","6","9","6","3","8","1") = "8"
    & skf18("1","6","9","6","3","9","1") = "8"
    & skf18("1","6","9","6","3","10","1") = "9"
    & skf18("1","6","9","6","4","1","1") = "8"
    & skf18("1","6","9","6","4","2","1") = "8"
    & skf18("1","6","9","6","4","3","1") = "8"
    & skf18("1","6","9","6","4","4","1") = "8"
    & skf18("1","6","9","6","4","5","1") = "8"
    & skf18("1","6","9","6","4","6","1") = "8"
    & skf18("1","6","9","6","4","7","1") = "8"
    & skf18("1","6","9","6","4","8","1") = "8"
    & skf18("1","6","9","6","4","9","1") = "8"
    & skf18("1","6","9","6","4","10","1") = "9"
    & skf18("1","6","9","6","5","1","1") = "8"
    & skf18("1","6","9","6","5","2","1") = "8"
    & skf18("1","6","9","6","5","3","1") = "8"
    & skf18("1","6","9","6","5","4","1") = "8"
    & skf18("1","6","9","6","5","5","1") = "8"
    & skf18("1","6","9","6","5","6","1") = "8"
    & skf18("1","6","9","6","5","7","1") = "8"
    & skf18("1","6","9","6","5","8","1") = "8"
    & skf18("1","6","9","6","5","9","1") = "8"
    & skf18("1","6","9","6","5","10","1") = "9"
    & skf18("1","6","9","6","6","1","1") = "8"
    & skf18("1","6","9","6","6","2","1") = "8"
    & skf18("1","6","9","6","6","3","1") = "8"
    & skf18("1","6","9","6","6","4","1") = "8"
    & skf18("1","6","9","6","6","5","1") = "8"
    & skf18("1","6","9","6","6","6","1") = "8"
    & skf18("1","6","9","6","6","7","1") = "8"
    & skf18("1","6","9","6","6","8","1") = "8"
    & skf18("1","6","9","6","6","9","1") = "8"
    & skf18("1","6","9","6","6","10","1") = "9"
    & skf18("1","6","9","6","7","1","1") = "8"
    & skf18("1","6","9","6","7","2","1") = "8"
    & skf18("1","6","9","6","7","3","1") = "8"
    & skf18("1","6","9","6","7","4","1") = "8"
    & skf18("1","6","9","6","7","5","1") = "8"
    & skf18("1","6","9","6","7","6","1") = "8"
    & skf18("1","6","9","6","7","7","1") = "8"
    & skf18("1","6","9","6","7","8","1") = "8"
    & skf18("1","6","9","6","7","9","1") = "8"
    & skf18("1","6","9","6","7","10","1") = "9"
    & skf18("1","6","9","6","8","1","1") = "8"
    & skf18("1","6","9","6","8","2","1") = "8"
    & skf18("1","6","9","6","8","3","1") = "8"
    & skf18("1","6","9","6","8","4","1") = "8"
    & skf18("1","6","9","6","8","5","1") = "8"
    & skf18("1","6","9","6","8","6","1") = "8"
    & skf18("1","6","9","6","8","7","1") = "8"
    & skf18("1","6","9","6","8","8","1") = "8"
    & skf18("1","6","9","6","8","9","1") = "8"
    & skf18("1","6","9","6","8","10","1") = "9"
    & skf18("1","6","9","6","9","1","1") = "8"
    & skf18("1","6","9","6","9","2","1") = "8"
    & skf18("1","6","9","6","9","3","1") = "8"
    & skf18("1","6","9","6","9","4","1") = "8"
    & skf18("1","6","9","6","9","5","1") = "8"
    & skf18("1","6","9","6","9","6","1") = "8"
    & skf18("1","6","9","6","9","7","1") = "8"
    & skf18("1","6","9","6","9","8","1") = "8"
    & skf18("1","6","9","6","9","9","1") = "8"
    & skf18("1","6","9","6","9","10","1") = "9"
    & skf18("1","6","9","6","10","1","1") = "9"
    & skf18("1","6","9","6","10","2","1") = "9"
    & skf18("1","6","9","6","10","3","1") = "9"
    & skf18("1","6","9","6","10","4","1") = "9"
    & skf18("1","6","9","6","10","5","1") = "9"
    & skf18("1","6","9","6","10","6","1") = "9"
    & skf18("1","6","9","6","10","7","1") = "9"
    & skf18("1","6","9","6","10","8","1") = "9"
    & skf18("1","6","9","6","10","9","1") = "9"
    & skf18("1","6","9","6","10","10","1") = "9"
    & skf18("1","6","9","7","1","1","1") = "8"
    & skf18("1","6","9","7","1","2","1") = "8"
    & skf18("1","6","9","7","1","3","1") = "8"
    & skf18("1","6","9","7","1","4","1") = "8"
    & skf18("1","6","9","7","1","5","1") = "8"
    & skf18("1","6","9","7","1","6","1") = "8"
    & skf18("1","6","9","7","1","7","1") = "8"
    & skf18("1","6","9","7","1","8","1") = "8"
    & skf18("1","6","9","7","1","9","1") = "8"
    & skf18("1","6","9","7","1","10","1") = "9"
    & skf18("1","6","9","7","2","1","1") = "8"
    & skf18("1","6","9","7","2","2","1") = "8"
    & skf18("1","6","9","7","2","3","1") = "8"
    & skf18("1","6","9","7","2","4","1") = "8"
    & skf18("1","6","9","7","2","5","1") = "8"
    & skf18("1","6","9","7","2","6","1") = "8"
    & skf18("1","6","9","7","2","7","1") = "8"
    & skf18("1","6","9","7","2","8","1") = "8"
    & skf18("1","6","9","7","2","9","1") = "8"
    & skf18("1","6","9","7","2","10","1") = "9"
    & skf18("1","6","9","7","3","1","1") = "8"
    & skf18("1","6","9","7","3","2","1") = "8"
    & skf18("1","6","9","7","3","3","1") = "8"
    & skf18("1","6","9","7","3","4","1") = "8"
    & skf18("1","6","9","7","3","5","1") = "8"
    & skf18("1","6","9","7","3","6","1") = "8"
    & skf18("1","6","9","7","3","7","1") = "8"
    & skf18("1","6","9","7","3","8","1") = "8"
    & skf18("1","6","9","7","3","9","1") = "8"
    & skf18("1","6","9","7","3","10","1") = "9"
    & skf18("1","6","9","7","4","1","1") = "8"
    & skf18("1","6","9","7","4","2","1") = "8"
    & skf18("1","6","9","7","4","3","1") = "8"
    & skf18("1","6","9","7","4","4","1") = "8"
    & skf18("1","6","9","7","4","5","1") = "8"
    & skf18("1","6","9","7","4","6","1") = "8"
    & skf18("1","6","9","7","4","7","1") = "8"
    & skf18("1","6","9","7","4","8","1") = "8"
    & skf18("1","6","9","7","4","9","1") = "8"
    & skf18("1","6","9","7","4","10","1") = "9"
    & skf18("1","6","9","7","5","1","1") = "8"
    & skf18("1","6","9","7","5","2","1") = "8"
    & skf18("1","6","9","7","5","3","1") = "8"
    & skf18("1","6","9","7","5","4","1") = "8"
    & skf18("1","6","9","7","5","5","1") = "8"
    & skf18("1","6","9","7","5","6","1") = "8"
    & skf18("1","6","9","7","5","7","1") = "8"
    & skf18("1","6","9","7","5","8","1") = "8"
    & skf18("1","6","9","7","5","9","1") = "8"
    & skf18("1","6","9","7","5","10","1") = "9"
    & skf18("1","6","9","7","6","1","1") = "8"
    & skf18("1","6","9","7","6","2","1") = "8"
    & skf18("1","6","9","7","6","3","1") = "8"
    & skf18("1","6","9","7","6","4","1") = "8"
    & skf18("1","6","9","7","6","5","1") = "8"
    & skf18("1","6","9","7","6","6","1") = "8"
    & skf18("1","6","9","7","6","7","1") = "8"
    & skf18("1","6","9","7","6","8","1") = "8"
    & skf18("1","6","9","7","6","9","1") = "8"
    & skf18("1","6","9","7","6","10","1") = "9"
    & skf18("1","6","9","7","7","1","1") = "8"
    & skf18("1","6","9","7","7","2","1") = "8"
    & skf18("1","6","9","7","7","3","1") = "8"
    & skf18("1","6","9","7","7","4","1") = "8"
    & skf18("1","6","9","7","7","5","1") = "8"
    & skf18("1","6","9","7","7","6","1") = "8"
    & skf18("1","6","9","7","7","7","1") = "8"
    & skf18("1","6","9","7","7","8","1") = "8"
    & skf18("1","6","9","7","7","9","1") = "8"
    & skf18("1","6","9","7","7","10","1") = "9"
    & skf18("1","6","9","7","8","1","1") = "8"
    & skf18("1","6","9","7","8","2","1") = "8"
    & skf18("1","6","9","7","8","3","1") = "8"
    & skf18("1","6","9","7","8","4","1") = "8"
    & skf18("1","6","9","7","8","5","1") = "8"
    & skf18("1","6","9","7","8","6","1") = "8"
    & skf18("1","6","9","7","8","7","1") = "8"
    & skf18("1","6","9","7","8","8","1") = "8"
    & skf18("1","6","9","7","8","9","1") = "8"
    & skf18("1","6","9","7","8","10","1") = "9"
    & skf18("1","6","9","7","9","1","1") = "8"
    & skf18("1","6","9","7","9","2","1") = "8"
    & skf18("1","6","9","7","9","3","1") = "8"
    & skf18("1","6","9","7","9","4","1") = "8"
    & skf18("1","6","9","7","9","5","1") = "8"
    & skf18("1","6","9","7","9","6","1") = "8"
    & skf18("1","6","9","7","9","7","1") = "8"
    & skf18("1","6","9","7","9","8","1") = "8"
    & skf18("1","6","9","7","9","9","1") = "8"
    & skf18("1","6","9","7","9","10","1") = "9"
    & skf18("1","6","9","7","10","1","1") = "9"
    & skf18("1","6","9","7","10","2","1") = "9"
    & skf18("1","6","9","7","10","3","1") = "9"
    & skf18("1","6","9","7","10","4","1") = "9"
    & skf18("1","6","9","7","10","5","1") = "9"
    & skf18("1","6","9","7","10","6","1") = "9"
    & skf18("1","6","9","7","10","7","1") = "9"
    & skf18("1","6","9","7","10","8","1") = "9"
    & skf18("1","6","9","7","10","9","1") = "9"
    & skf18("1","6","9","7","10","10","1") = "9"
    & skf18("1","6","9","8","1","1","1") = "8"
    & skf18("1","6","9","8","1","2","1") = "8"
    & skf18("1","6","9","8","1","3","1") = "8"
    & skf18("1","6","9","8","1","4","1") = "8"
    & skf18("1","6","9","8","1","5","1") = "8"
    & skf18("1","6","9","8","1","6","1") = "8"
    & skf18("1","6","9","8","1","7","1") = "8"
    & skf18("1","6","9","8","1","8","1") = "8"
    & skf18("1","6","9","8","1","9","1") = "8"
    & skf18("1","6","9","8","1","10","1") = "9"
    & skf18("1","6","9","8","2","1","1") = "8"
    & skf18("1","6","9","8","2","2","1") = "8"
    & skf18("1","6","9","8","2","3","1") = "8"
    & skf18("1","6","9","8","2","4","1") = "8"
    & skf18("1","6","9","8","2","5","1") = "8"
    & skf18("1","6","9","8","2","6","1") = "8"
    & skf18("1","6","9","8","2","7","1") = "8"
    & skf18("1","6","9","8","2","8","1") = "8"
    & skf18("1","6","9","8","2","9","1") = "8"
    & skf18("1","6","9","8","2","10","1") = "9"
    & skf18("1","6","9","8","3","1","1") = "8"
    & skf18("1","6","9","8","3","2","1") = "8"
    & skf18("1","6","9","8","3","3","1") = "8"
    & skf18("1","6","9","8","3","4","1") = "8"
    & skf18("1","6","9","8","3","5","1") = "8"
    & skf18("1","6","9","8","3","6","1") = "8"
    & skf18("1","6","9","8","3","7","1") = "8"
    & skf18("1","6","9","8","3","8","1") = "8"
    & skf18("1","6","9","8","3","9","1") = "8"
    & skf18("1","6","9","8","3","10","1") = "9"
    & skf18("1","6","9","8","4","1","1") = "8"
    & skf18("1","6","9","8","4","2","1") = "8"
    & skf18("1","6","9","8","4","3","1") = "8"
    & skf18("1","6","9","8","4","4","1") = "8"
    & skf18("1","6","9","8","4","5","1") = "8"
    & skf18("1","6","9","8","4","6","1") = "8"
    & skf18("1","6","9","8","4","7","1") = "8"
    & skf18("1","6","9","8","4","8","1") = "8"
    & skf18("1","6","9","8","4","9","1") = "8"
    & skf18("1","6","9","8","4","10","1") = "9"
    & skf18("1","6","9","8","5","1","1") = "8"
    & skf18("1","6","9","8","5","2","1") = "8"
    & skf18("1","6","9","8","5","3","1") = "8"
    & skf18("1","6","9","8","5","4","1") = "8"
    & skf18("1","6","9","8","5","5","1") = "8"
    & skf18("1","6","9","8","5","6","1") = "8"
    & skf18("1","6","9","8","5","7","1") = "8"
    & skf18("1","6","9","8","5","8","1") = "8"
    & skf18("1","6","9","8","5","9","1") = "8"
    & skf18("1","6","9","8","5","10","1") = "9"
    & skf18("1","6","9","8","6","1","1") = "8"
    & skf18("1","6","9","8","6","2","1") = "8"
    & skf18("1","6","9","8","6","3","1") = "8"
    & skf18("1","6","9","8","6","4","1") = "8"
    & skf18("1","6","9","8","6","5","1") = "8"
    & skf18("1","6","9","8","6","6","1") = "8"
    & skf18("1","6","9","8","6","7","1") = "8"
    & skf18("1","6","9","8","6","8","1") = "8"
    & skf18("1","6","9","8","6","9","1") = "8"
    & skf18("1","6","9","8","6","10","1") = "9"
    & skf18("1","6","9","8","7","1","1") = "8"
    & skf18("1","6","9","8","7","2","1") = "8"
    & skf18("1","6","9","8","7","3","1") = "8"
    & skf18("1","6","9","8","7","4","1") = "8"
    & skf18("1","6","9","8","7","5","1") = "8"
    & skf18("1","6","9","8","7","6","1") = "8"
    & skf18("1","6","9","8","7","7","1") = "8"
    & skf18("1","6","9","8","7","8","1") = "8"
    & skf18("1","6","9","8","7","9","1") = "8"
    & skf18("1","6","9","8","7","10","1") = "9"
    & skf18("1","6","9","8","8","1","1") = "8"
    & skf18("1","6","9","8","8","2","1") = "8"
    & skf18("1","6","9","8","8","3","1") = "8"
    & skf18("1","6","9","8","8","4","1") = "8"
    & skf18("1","6","9","8","8","5","1") = "8"
    & skf18("1","6","9","8","8","6","1") = "8"
    & skf18("1","6","9","8","8","7","1") = "8"
    & skf18("1","6","9","8","8","8","1") = "8"
    & skf18("1","6","9","8","8","9","1") = "8"
    & skf18("1","6","9","8","8","10","1") = "9"
    & skf18("1","6","9","8","9","1","1") = "8"
    & skf18("1","6","9","8","9","2","1") = "8"
    & skf18("1","6","9","8","9","3","1") = "8"
    & skf18("1","6","9","8","9","4","1") = "8"
    & skf18("1","6","9","8","9","5","1") = "8"
    & skf18("1","6","9","8","9","6","1") = "8"
    & skf18("1","6","9","8","9","7","1") = "8"
    & skf18("1","6","9","8","9","8","1") = "8"
    & skf18("1","6","9","8","9","9","1") = "8"
    & skf18("1","6","9","8","9","10","1") = "9"
    & skf18("1","6","9","8","10","1","1") = "9"
    & skf18("1","6","9","8","10","2","1") = "9"
    & skf18("1","6","9","8","10","3","1") = "9"
    & skf18("1","6","9","8","10","4","1") = "9"
    & skf18("1","6","9","8","10","5","1") = "9"
    & skf18("1","6","9","8","10","6","1") = "9"
    & skf18("1","6","9","8","10","7","1") = "9"
    & skf18("1","6","9","8","10","8","1") = "9"
    & skf18("1","6","9","8","10","9","1") = "9"
    & skf18("1","6","9","8","10","10","1") = "9"
    & skf18("1","6","9","9","1","1","1") = "8"
    & skf18("1","6","9","9","1","2","1") = "8"
    & skf18("1","6","9","9","1","3","1") = "8"
    & skf18("1","6","9","9","1","4","1") = "8"
    & skf18("1","6","9","9","1","5","1") = "8"
    & skf18("1","6","9","9","1","6","1") = "8"
    & skf18("1","6","9","9","1","7","1") = "8"
    & skf18("1","6","9","9","1","8","1") = "8"
    & skf18("1","6","9","9","1","9","1") = "8"
    & skf18("1","6","9","9","1","10","1") = "9"
    & skf18("1","6","9","9","2","1","1") = "8"
    & skf18("1","6","9","9","2","2","1") = "8"
    & skf18("1","6","9","9","2","3","1") = "8"
    & skf18("1","6","9","9","2","4","1") = "8"
    & skf18("1","6","9","9","2","5","1") = "8"
    & skf18("1","6","9","9","2","6","1") = "8"
    & skf18("1","6","9","9","2","7","1") = "8"
    & skf18("1","6","9","9","2","8","1") = "8"
    & skf18("1","6","9","9","2","9","1") = "8"
    & skf18("1","6","9","9","2","10","1") = "9"
    & skf18("1","6","9","9","3","1","1") = "8"
    & skf18("1","6","9","9","3","2","1") = "8"
    & skf18("1","6","9","9","3","3","1") = "8"
    & skf18("1","6","9","9","3","4","1") = "8"
    & skf18("1","6","9","9","3","5","1") = "8"
    & skf18("1","6","9","9","3","6","1") = "8"
    & skf18("1","6","9","9","3","7","1") = "8"
    & skf18("1","6","9","9","3","8","1") = "8"
    & skf18("1","6","9","9","3","9","1") = "8"
    & skf18("1","6","9","9","3","10","1") = "9"
    & skf18("1","6","9","9","4","1","1") = "8"
    & skf18("1","6","9","9","4","2","1") = "8"
    & skf18("1","6","9","9","4","3","1") = "8"
    & skf18("1","6","9","9","4","4","1") = "8"
    & skf18("1","6","9","9","4","5","1") = "8"
    & skf18("1","6","9","9","4","6","1") = "8"
    & skf18("1","6","9","9","4","7","1") = "8"
    & skf18("1","6","9","9","4","8","1") = "8"
    & skf18("1","6","9","9","4","9","1") = "8"
    & skf18("1","6","9","9","4","10","1") = "9"
    & skf18("1","6","9","9","5","1","1") = "8"
    & skf18("1","6","9","9","5","2","1") = "8"
    & skf18("1","6","9","9","5","3","1") = "8"
    & skf18("1","6","9","9","5","4","1") = "8"
    & skf18("1","6","9","9","5","5","1") = "8"
    & skf18("1","6","9","9","5","6","1") = "8"
    & skf18("1","6","9","9","5","7","1") = "8"
    & skf18("1","6","9","9","5","8","1") = "8"
    & skf18("1","6","9","9","5","9","1") = "8"
    & skf18("1","6","9","9","5","10","1") = "9"
    & skf18("1","6","9","9","6","1","1") = "8"
    & skf18("1","6","9","9","6","2","1") = "8"
    & skf18("1","6","9","9","6","3","1") = "8"
    & skf18("1","6","9","9","6","4","1") = "8"
    & skf18("1","6","9","9","6","5","1") = "8"
    & skf18("1","6","9","9","6","6","1") = "8"
    & skf18("1","6","9","9","6","7","1") = "8"
    & skf18("1","6","9","9","6","8","1") = "8"
    & skf18("1","6","9","9","6","9","1") = "8"
    & skf18("1","6","9","9","6","10","1") = "9"
    & skf18("1","6","9","9","7","1","1") = "8"
    & skf18("1","6","9","9","7","2","1") = "8"
    & skf18("1","6","9","9","7","3","1") = "8"
    & skf18("1","6","9","9","7","4","1") = "8"
    & skf18("1","6","9","9","7","5","1") = "8"
    & skf18("1","6","9","9","7","6","1") = "8"
    & skf18("1","6","9","9","7","7","1") = "8"
    & skf18("1","6","9","9","7","8","1") = "8"
    & skf18("1","6","9","9","7","9","1") = "8"
    & skf18("1","6","9","9","7","10","1") = "9"
    & skf18("1","6","9","9","8","1","1") = "8"
    & skf18("1","6","9","9","8","2","1") = "8"
    & skf18("1","6","9","9","8","3","1") = "8"
    & skf18("1","6","9","9","8","4","1") = "8"
    & skf18("1","6","9","9","8","5","1") = "8"
    & skf18("1","6","9","9","8","6","1") = "8"
    & skf18("1","6","9","9","8","7","1") = "8"
    & skf18("1","6","9","9","8","8","1") = "8"
    & skf18("1","6","9","9","8","9","1") = "8"
    & skf18("1","6","9","9","8","10","1") = "9"
    & skf18("1","6","9","9","9","1","1") = "8"
    & skf18("1","6","9","9","9","2","1") = "8"
    & skf18("1","6","9","9","9","3","1") = "8"
    & skf18("1","6","9","9","9","4","1") = "8"
    & skf18("1","6","9","9","9","5","1") = "8"
    & skf18("1","6","9","9","9","6","1") = "8"
    & skf18("1","6","9","9","9","7","1") = "8"
    & skf18("1","6","9","9","9","8","1") = "8"
    & skf18("1","6","9","9","9","9","1") = "8"
    & skf18("1","6","9","9","9","10","1") = "9"
    & skf18("1","6","9","9","10","1","1") = "9"
    & skf18("1","6","9","9","10","2","1") = "9"
    & skf18("1","6","9","9","10","3","1") = "9"
    & skf18("1","6","9","9","10","4","1") = "9"
    & skf18("1","6","9","9","10","5","1") = "9"
    & skf18("1","6","9","9","10","6","1") = "9"
    & skf18("1","6","9","9","10","7","1") = "9"
    & skf18("1","6","9","9","10","8","1") = "9"
    & skf18("1","6","9","9","10","9","1") = "9"
    & skf18("1","6","9","9","10","10","1") = "9"
    & skf18("1","6","9","10","1","1","1") = "9"
    & skf18("1","6","9","10","1","2","1") = "9"
    & skf18("1","6","9","10","1","3","1") = "9"
    & skf18("1","6","9","10","1","4","1") = "9"
    & skf18("1","6","9","10","1","5","1") = "9"
    & skf18("1","6","9","10","1","6","1") = "9"
    & skf18("1","6","9","10","1","7","1") = "9"
    & skf18("1","6","9","10","1","8","1") = "9"
    & skf18("1","6","9","10","1","9","1") = "9"
    & skf18("1","6","9","10","1","10","1") = "9"
    & skf18("1","6","9","10","2","1","1") = "9"
    & skf18("1","6","9","10","2","2","1") = "9"
    & skf18("1","6","9","10","2","3","1") = "9"
    & skf18("1","6","9","10","2","4","1") = "9"
    & skf18("1","6","9","10","2","5","1") = "9"
    & skf18("1","6","9","10","2","6","1") = "9"
    & skf18("1","6","9","10","2","7","1") = "9"
    & skf18("1","6","9","10","2","8","1") = "9"
    & skf18("1","6","9","10","2","9","1") = "9"
    & skf18("1","6","9","10","2","10","1") = "9"
    & skf18("1","6","9","10","3","1","1") = "9"
    & skf18("1","6","9","10","3","2","1") = "9"
    & skf18("1","6","9","10","3","3","1") = "9"
    & skf18("1","6","9","10","3","4","1") = "9"
    & skf18("1","6","9","10","3","5","1") = "9"
    & skf18("1","6","9","10","3","6","1") = "9"
    & skf18("1","6","9","10","3","7","1") = "9"
    & skf18("1","6","9","10","3","8","1") = "9"
    & skf18("1","6","9","10","3","9","1") = "9"
    & skf18("1","6","9","10","3","10","1") = "9"
    & skf18("1","6","9","10","4","1","1") = "9"
    & skf18("1","6","9","10","4","2","1") = "9"
    & skf18("1","6","9","10","4","3","1") = "9"
    & skf18("1","6","9","10","4","4","1") = "9"
    & skf18("1","6","9","10","4","5","1") = "9"
    & skf18("1","6","9","10","4","6","1") = "9"
    & skf18("1","6","9","10","4","7","1") = "9"
    & skf18("1","6","9","10","4","8","1") = "9"
    & skf18("1","6","9","10","4","9","1") = "9"
    & skf18("1","6","9","10","4","10","1") = "9"
    & skf18("1","6","9","10","5","1","1") = "9"
    & skf18("1","6","9","10","5","2","1") = "9"
    & skf18("1","6","9","10","5","3","1") = "9"
    & skf18("1","6","9","10","5","4","1") = "9"
    & skf18("1","6","9","10","5","5","1") = "9"
    & skf18("1","6","9","10","5","6","1") = "9"
    & skf18("1","6","9","10","5","7","1") = "9"
    & skf18("1","6","9","10","5","8","1") = "9"
    & skf18("1","6","9","10","5","9","1") = "9"
    & skf18("1","6","9","10","5","10","1") = "9"
    & skf18("1","6","9","10","6","1","1") = "9"
    & skf18("1","6","9","10","6","2","1") = "9"
    & skf18("1","6","9","10","6","3","1") = "9"
    & skf18("1","6","9","10","6","4","1") = "9"
    & skf18("1","6","9","10","6","5","1") = "9"
    & skf18("1","6","9","10","6","6","1") = "9"
    & skf18("1","6","9","10","6","7","1") = "9"
    & skf18("1","6","9","10","6","8","1") = "9"
    & skf18("1","6","9","10","6","9","1") = "9"
    & skf18("1","6","9","10","6","10","1") = "9"
    & skf18("1","6","9","10","7","1","1") = "9"
    & skf18("1","6","9","10","7","2","1") = "9"
    & skf18("1","6","9","10","7","3","1") = "9"
    & skf18("1","6","9","10","7","4","1") = "9"
    & skf18("1","6","9","10","7","5","1") = "9"
    & skf18("1","6","9","10","7","6","1") = "9"
    & skf18("1","6","9","10","7","7","1") = "9"
    & skf18("1","6","9","10","7","8","1") = "9"
    & skf18("1","6","9","10","7","9","1") = "9"
    & skf18("1","6","9","10","7","10","1") = "9"
    & skf18("1","6","9","10","8","1","1") = "9"
    & skf18("1","6","9","10","8","2","1") = "9"
    & skf18("1","6","9","10","8","3","1") = "9"
    & skf18("1","6","9","10","8","4","1") = "9"
    & skf18("1","6","9","10","8","5","1") = "9"
    & skf18("1","6","9","10","8","6","1") = "9"
    & skf18("1","6","9","10","8","7","1") = "9"
    & skf18("1","6","9","10","8","8","1") = "9"
    & skf18("1","6","9","10","8","9","1") = "9"
    & skf18("1","6","9","10","8","10","1") = "9"
    & skf18("1","6","9","10","9","1","1") = "9"
    & skf18("1","6","9","10","9","2","1") = "9"
    & skf18("1","6","9","10","9","3","1") = "9"
    & skf18("1","6","9","10","9","4","1") = "9"
    & skf18("1","6","9","10","9","5","1") = "9"
    & skf18("1","6","9","10","9","6","1") = "9"
    & skf18("1","6","9","10","9","7","1") = "9"
    & skf18("1","6","9","10","9","8","1") = "9"
    & skf18("1","6","9","10","9","9","1") = "9"
    & skf18("1","6","9","10","9","10","1") = "9"
    & skf18("1","6","9","10","10","1","1") = "9"
    & skf18("1","6","9","10","10","2","1") = "9"
    & skf18("1","6","9","10","10","3","1") = "9"
    & skf18("1","6","9","10","10","4","1") = "9"
    & skf18("1","6","9","10","10","5","1") = "9"
    & skf18("1","6","9","10","10","6","1") = "9"
    & skf18("1","6","9","10","10","7","1") = "9"
    & skf18("1","6","9","10","10","8","1") = "9"
    & skf18("1","6","9","10","10","9","1") = "9"
    & skf18("1","6","9","10","10","10","1") = "9"
    & skf18("1","6","10","1","1","1","1") = "9"
    & skf18("1","6","10","1","1","2","1") = "9"
    & skf18("1","6","10","1","1","3","1") = "9"
    & skf18("1","6","10","1","1","4","1") = "9"
    & skf18("1","6","10","1","1","5","1") = "9"
    & skf18("1","6","10","1","1","6","1") = "9"
    & skf18("1","6","10","1","1","7","1") = "9"
    & skf18("1","6","10","1","1","8","1") = "9"
    & skf18("1","6","10","1","1","9","1") = "9"
    & skf18("1","6","10","1","1","10","1") = "9"
    & skf18("1","6","10","1","2","1","1") = "9"
    & skf18("1","6","10","1","2","2","1") = "9"
    & skf18("1","6","10","1","2","3","1") = "9"
    & skf18("1","6","10","1","2","4","1") = "9"
    & skf18("1","6","10","1","2","5","1") = "9"
    & skf18("1","6","10","1","2","6","1") = "9"
    & skf18("1","6","10","1","2","7","1") = "9"
    & skf18("1","6","10","1","2","8","1") = "9"
    & skf18("1","6","10","1","2","9","1") = "9"
    & skf18("1","6","10","1","2","10","1") = "9"
    & skf18("1","6","10","1","3","1","1") = "9"
    & skf18("1","6","10","1","3","2","1") = "9"
    & skf18("1","6","10","1","3","3","1") = "9"
    & skf18("1","6","10","1","3","4","1") = "9"
    & skf18("1","6","10","1","3","5","1") = "9"
    & skf18("1","6","10","1","3","6","1") = "9"
    & skf18("1","6","10","1","3","7","1") = "9"
    & skf18("1","6","10","1","3","8","1") = "9"
    & skf18("1","6","10","1","3","9","1") = "9"
    & skf18("1","6","10","1","3","10","1") = "9"
    & skf18("1","6","10","1","4","1","1") = "9"
    & skf18("1","6","10","1","4","2","1") = "9"
    & skf18("1","6","10","1","4","3","1") = "9"
    & skf18("1","6","10","1","4","4","1") = "9"
    & skf18("1","6","10","1","4","5","1") = "9"
    & skf18("1","6","10","1","4","6","1") = "9"
    & skf18("1","6","10","1","4","7","1") = "9"
    & skf18("1","6","10","1","4","8","1") = "9"
    & skf18("1","6","10","1","4","9","1") = "9"
    & skf18("1","6","10","1","4","10","1") = "9"
    & skf18("1","6","10","1","5","1","1") = "9"
    & skf18("1","6","10","1","5","2","1") = "9"
    & skf18("1","6","10","1","5","3","1") = "9"
    & skf18("1","6","10","1","5","4","1") = "9"
    & skf18("1","6","10","1","5","5","1") = "9"
    & skf18("1","6","10","1","5","6","1") = "9"
    & skf18("1","6","10","1","5","7","1") = "9"
    & skf18("1","6","10","1","5","8","1") = "9"
    & skf18("1","6","10","1","5","9","1") = "9"
    & skf18("1","6","10","1","5","10","1") = "9"
    & skf18("1","6","10","1","6","1","1") = "9"
    & skf18("1","6","10","1","6","2","1") = "9"
    & skf18("1","6","10","1","6","3","1") = "9"
    & skf18("1","6","10","1","6","4","1") = "9"
    & skf18("1","6","10","1","6","5","1") = "9"
    & skf18("1","6","10","1","6","6","1") = "9"
    & skf18("1","6","10","1","6","7","1") = "9"
    & skf18("1","6","10","1","6","8","1") = "9"
    & skf18("1","6","10","1","6","9","1") = "9"
    & skf18("1","6","10","1","6","10","1") = "9"
    & skf18("1","6","10","1","7","1","1") = "9"
    & skf18("1","6","10","1","7","2","1") = "9"
    & skf18("1","6","10","1","7","3","1") = "9"
    & skf18("1","6","10","1","7","4","1") = "9"
    & skf18("1","6","10","1","7","5","1") = "9"
    & skf18("1","6","10","1","7","6","1") = "9"
    & skf18("1","6","10","1","7","7","1") = "9"
    & skf18("1","6","10","1","7","8","1") = "9"
    & skf18("1","6","10","1","7","9","1") = "9"
    & skf18("1","6","10","1","7","10","1") = "9"
    & skf18("1","6","10","1","8","1","1") = "9"
    & skf18("1","6","10","1","8","2","1") = "9"
    & skf18("1","6","10","1","8","3","1") = "9"
    & skf18("1","6","10","1","8","4","1") = "9"
    & skf18("1","6","10","1","8","5","1") = "9"
    & skf18("1","6","10","1","8","6","1") = "9"
    & skf18("1","6","10","1","8","7","1") = "9"
    & skf18("1","6","10","1","8","8","1") = "9"
    & skf18("1","6","10","1","8","9","1") = "9"
    & skf18("1","6","10","1","8","10","1") = "9"
    & skf18("1","6","10","1","9","1","1") = "9"
    & skf18("1","6","10","1","9","2","1") = "9"
    & skf18("1","6","10","1","9","3","1") = "9"
    & skf18("1","6","10","1","9","4","1") = "9"
    & skf18("1","6","10","1","9","5","1") = "9"
    & skf18("1","6","10","1","9","6","1") = "9"
    & skf18("1","6","10","1","9","7","1") = "9"
    & skf18("1","6","10","1","9","8","1") = "9"
    & skf18("1","6","10","1","9","9","1") = "9"
    & skf18("1","6","10","1","9","10","1") = "9"
    & skf18("1","6","10","1","10","1","1") = "9"
    & skf18("1","6","10","1","10","2","1") = "9"
    & skf18("1","6","10","1","10","3","1") = "9"
    & skf18("1","6","10","1","10","4","1") = "9"
    & skf18("1","6","10","1","10","5","1") = "9"
    & skf18("1","6","10","1","10","6","1") = "9"
    & skf18("1","6","10","1","10","7","1") = "9"
    & skf18("1","6","10","1","10","8","1") = "9"
    & skf18("1","6","10","1","10","9","1") = "9"
    & skf18("1","6","10","1","10","10","1") = "9"
    & skf18("1","6","10","2","1","1","1") = "9"
    & skf18("1","6","10","2","1","2","1") = "9"
    & skf18("1","6","10","2","1","3","1") = "9"
    & skf18("1","6","10","2","1","4","1") = "9"
    & skf18("1","6","10","2","1","5","1") = "9"
    & skf18("1","6","10","2","1","6","1") = "9"
    & skf18("1","6","10","2","1","7","1") = "9"
    & skf18("1","6","10","2","1","8","1") = "9"
    & skf18("1","6","10","2","1","9","1") = "9"
    & skf18("1","6","10","2","1","10","1") = "9"
    & skf18("1","6","10","2","2","1","1") = "9"
    & skf18("1","6","10","2","2","2","1") = "9"
    & skf18("1","6","10","2","2","3","1") = "9"
    & skf18("1","6","10","2","2","4","1") = "9"
    & skf18("1","6","10","2","2","5","1") = "9"
    & skf18("1","6","10","2","2","6","1") = "9"
    & skf18("1","6","10","2","2","7","1") = "9"
    & skf18("1","6","10","2","2","8","1") = "9"
    & skf18("1","6","10","2","2","9","1") = "9"
    & skf18("1","6","10","2","2","10","1") = "9"
    & skf18("1","6","10","2","3","1","1") = "9"
    & skf18("1","6","10","2","3","2","1") = "9"
    & skf18("1","6","10","2","3","3","1") = "9"
    & skf18("1","6","10","2","3","4","1") = "9"
    & skf18("1","6","10","2","3","5","1") = "9"
    & skf18("1","6","10","2","3","6","1") = "9"
    & skf18("1","6","10","2","3","7","1") = "9"
    & skf18("1","6","10","2","3","8","1") = "9"
    & skf18("1","6","10","2","3","9","1") = "9"
    & skf18("1","6","10","2","3","10","1") = "9"
    & skf18("1","6","10","2","4","1","1") = "9"
    & skf18("1","6","10","2","4","2","1") = "9"
    & skf18("1","6","10","2","4","3","1") = "9"
    & skf18("1","6","10","2","4","4","1") = "9"
    & skf18("1","6","10","2","4","5","1") = "9"
    & skf18("1","6","10","2","4","6","1") = "9"
    & skf18("1","6","10","2","4","7","1") = "9"
    & skf18("1","6","10","2","4","8","1") = "9"
    & skf18("1","6","10","2","4","9","1") = "9"
    & skf18("1","6","10","2","4","10","1") = "9"
    & skf18("1","6","10","2","5","1","1") = "9"
    & skf18("1","6","10","2","5","2","1") = "9"
    & skf18("1","6","10","2","5","3","1") = "9"
    & skf18("1","6","10","2","5","4","1") = "9"
    & skf18("1","6","10","2","5","5","1") = "9"
    & skf18("1","6","10","2","5","6","1") = "9"
    & skf18("1","6","10","2","5","7","1") = "9"
    & skf18("1","6","10","2","5","8","1") = "9"
    & skf18("1","6","10","2","5","9","1") = "9"
    & skf18("1","6","10","2","5","10","1") = "9"
    & skf18("1","6","10","2","6","1","1") = "9"
    & skf18("1","6","10","2","6","2","1") = "9"
    & skf18("1","6","10","2","6","3","1") = "9"
    & skf18("1","6","10","2","6","4","1") = "9"
    & skf18("1","6","10","2","6","5","1") = "9"
    & skf18("1","6","10","2","6","6","1") = "9"
    & skf18("1","6","10","2","6","7","1") = "9"
    & skf18("1","6","10","2","6","8","1") = "9"
    & skf18("1","6","10","2","6","9","1") = "9"
    & skf18("1","6","10","2","6","10","1") = "9"
    & skf18("1","6","10","2","7","1","1") = "9"
    & skf18("1","6","10","2","7","2","1") = "9"
    & skf18("1","6","10","2","7","3","1") = "9"
    & skf18("1","6","10","2","7","4","1") = "9"
    & skf18("1","6","10","2","7","5","1") = "9"
    & skf18("1","6","10","2","7","6","1") = "9"
    & skf18("1","6","10","2","7","7","1") = "9"
    & skf18("1","6","10","2","7","8","1") = "9"
    & skf18("1","6","10","2","7","9","1") = "9"
    & skf18("1","6","10","2","7","10","1") = "9"
    & skf18("1","6","10","2","8","1","1") = "9"
    & skf18("1","6","10","2","8","2","1") = "9"
    & skf18("1","6","10","2","8","3","1") = "9"
    & skf18("1","6","10","2","8","4","1") = "9"
    & skf18("1","6","10","2","8","5","1") = "9"
    & skf18("1","6","10","2","8","6","1") = "9"
    & skf18("1","6","10","2","8","7","1") = "9"
    & skf18("1","6","10","2","8","8","1") = "9"
    & skf18("1","6","10","2","8","9","1") = "9"
    & skf18("1","6","10","2","8","10","1") = "9"
    & skf18("1","6","10","2","9","1","1") = "9"
    & skf18("1","6","10","2","9","2","1") = "9"
    & skf18("1","6","10","2","9","3","1") = "9"
    & skf18("1","6","10","2","9","4","1") = "9"
    & skf18("1","6","10","2","9","5","1") = "9"
    & skf18("1","6","10","2","9","6","1") = "9"
    & skf18("1","6","10","2","9","7","1") = "9"
    & skf18("1","6","10","2","9","8","1") = "9"
    & skf18("1","6","10","2","9","9","1") = "9"
    & skf18("1","6","10","2","9","10","1") = "9"
    & skf18("1","6","10","2","10","1","1") = "9"
    & skf18("1","6","10","2","10","2","1") = "9"
    & skf18("1","6","10","2","10","3","1") = "9"
    & skf18("1","6","10","2","10","4","1") = "9"
    & skf18("1","6","10","2","10","5","1") = "9"
    & skf18("1","6","10","2","10","6","1") = "9"
    & skf18("1","6","10","2","10","7","1") = "9"
    & skf18("1","6","10","2","10","8","1") = "9"
    & skf18("1","6","10","2","10","9","1") = "9"
    & skf18("1","6","10","2","10","10","1") = "9"
    & skf18("1","6","10","3","1","1","1") = "9"
    & skf18("1","6","10","3","1","2","1") = "9"
    & skf18("1","6","10","3","1","3","1") = "9"
    & skf18("1","6","10","3","1","4","1") = "9"
    & skf18("1","6","10","3","1","5","1") = "9"
    & skf18("1","6","10","3","1","6","1") = "9"
    & skf18("1","6","10","3","1","7","1") = "9"
    & skf18("1","6","10","3","1","8","1") = "9"
    & skf18("1","6","10","3","1","9","1") = "9"
    & skf18("1","6","10","3","1","10","1") = "9"
    & skf18("1","6","10","3","2","1","1") = "9"
    & skf18("1","6","10","3","2","2","1") = "9"
    & skf18("1","6","10","3","2","3","1") = "9"
    & skf18("1","6","10","3","2","4","1") = "9"
    & skf18("1","6","10","3","2","5","1") = "9"
    & skf18("1","6","10","3","2","6","1") = "9"
    & skf18("1","6","10","3","2","7","1") = "9"
    & skf18("1","6","10","3","2","8","1") = "9"
    & skf18("1","6","10","3","2","9","1") = "9"
    & skf18("1","6","10","3","2","10","1") = "9"
    & skf18("1","6","10","3","3","1","1") = "9"
    & skf18("1","6","10","3","3","2","1") = "9"
    & skf18("1","6","10","3","3","3","1") = "9"
    & skf18("1","6","10","3","3","4","1") = "9"
    & skf18("1","6","10","3","3","5","1") = "9"
    & skf18("1","6","10","3","3","6","1") = "9"
    & skf18("1","6","10","3","3","7","1") = "9"
    & skf18("1","6","10","3","3","8","1") = "9"
    & skf18("1","6","10","3","3","9","1") = "9"
    & skf18("1","6","10","3","3","10","1") = "9"
    & skf18("1","6","10","3","4","1","1") = "9"
    & skf18("1","6","10","3","4","2","1") = "9"
    & skf18("1","6","10","3","4","3","1") = "9"
    & skf18("1","6","10","3","4","4","1") = "9"
    & skf18("1","6","10","3","4","5","1") = "9"
    & skf18("1","6","10","3","4","6","1") = "9"
    & skf18("1","6","10","3","4","7","1") = "9"
    & skf18("1","6","10","3","4","8","1") = "9"
    & skf18("1","6","10","3","4","9","1") = "9"
    & skf18("1","6","10","3","4","10","1") = "9"
    & skf18("1","6","10","3","5","1","1") = "9"
    & skf18("1","6","10","3","5","2","1") = "9"
    & skf18("1","6","10","3","5","3","1") = "9"
    & skf18("1","6","10","3","5","4","1") = "9"
    & skf18("1","6","10","3","5","5","1") = "9"
    & skf18("1","6","10","3","5","6","1") = "9"
    & skf18("1","6","10","3","5","7","1") = "9"
    & skf18("1","6","10","3","5","8","1") = "9"
    & skf18("1","6","10","3","5","9","1") = "9"
    & skf18("1","6","10","3","5","10","1") = "9"
    & skf18("1","6","10","3","6","1","1") = "9"
    & skf18("1","6","10","3","6","2","1") = "9"
    & skf18("1","6","10","3","6","3","1") = "9"
    & skf18("1","6","10","3","6","4","1") = "9"
    & skf18("1","6","10","3","6","5","1") = "9"
    & skf18("1","6","10","3","6","6","1") = "9"
    & skf18("1","6","10","3","6","7","1") = "9"
    & skf18("1","6","10","3","6","8","1") = "9"
    & skf18("1","6","10","3","6","9","1") = "9"
    & skf18("1","6","10","3","6","10","1") = "9"
    & skf18("1","6","10","3","7","1","1") = "9"
    & skf18("1","6","10","3","7","2","1") = "9"
    & skf18("1","6","10","3","7","3","1") = "9"
    & skf18("1","6","10","3","7","4","1") = "9"
    & skf18("1","6","10","3","7","5","1") = "9"
    & skf18("1","6","10","3","7","6","1") = "9"
    & skf18("1","6","10","3","7","7","1") = "9"
    & skf18("1","6","10","3","7","8","1") = "9"
    & skf18("1","6","10","3","7","9","1") = "9"
    & skf18("1","6","10","3","7","10","1") = "9"
    & skf18("1","6","10","3","8","1","1") = "9"
    & skf18("1","6","10","3","8","2","1") = "9"
    & skf18("1","6","10","3","8","3","1") = "9"
    & skf18("1","6","10","3","8","4","1") = "9"
    & skf18("1","6","10","3","8","5","1") = "9"
    & skf18("1","6","10","3","8","6","1") = "9"
    & skf18("1","6","10","3","8","7","1") = "9"
    & skf18("1","6","10","3","8","8","1") = "9"
    & skf18("1","6","10","3","8","9","1") = "9"
    & skf18("1","6","10","3","8","10","1") = "9"
    & skf18("1","6","10","3","9","1","1") = "9"
    & skf18("1","6","10","3","9","2","1") = "9"
    & skf18("1","6","10","3","9","3","1") = "9"
    & skf18("1","6","10","3","9","4","1") = "9"
    & skf18("1","6","10","3","9","5","1") = "9"
    & skf18("1","6","10","3","9","6","1") = "9"
    & skf18("1","6","10","3","9","7","1") = "9"
    & skf18("1","6","10","3","9","8","1") = "9"
    & skf18("1","6","10","3","9","9","1") = "9"
    & skf18("1","6","10","3","9","10","1") = "9"
    & skf18("1","6","10","3","10","1","1") = "9"
    & skf18("1","6","10","3","10","2","1") = "9"
    & skf18("1","6","10","3","10","3","1") = "9"
    & skf18("1","6","10","3","10","4","1") = "9"
    & skf18("1","6","10","3","10","5","1") = "9"
    & skf18("1","6","10","3","10","6","1") = "9"
    & skf18("1","6","10","3","10","7","1") = "9"
    & skf18("1","6","10","3","10","8","1") = "9"
    & skf18("1","6","10","3","10","9","1") = "9"
    & skf18("1","6","10","3","10","10","1") = "9"
    & skf18("1","6","10","4","1","1","1") = "9"
    & skf18("1","6","10","4","1","2","1") = "9"
    & skf18("1","6","10","4","1","3","1") = "9"
    & skf18("1","6","10","4","1","4","1") = "9"
    & skf18("1","6","10","4","1","5","1") = "9"
    & skf18("1","6","10","4","1","6","1") = "9"
    & skf18("1","6","10","4","1","7","1") = "9"
    & skf18("1","6","10","4","1","8","1") = "9"
    & skf18("1","6","10","4","1","9","1") = "9"
    & skf18("1","6","10","4","1","10","1") = "9"
    & skf18("1","6","10","4","2","1","1") = "9"
    & skf18("1","6","10","4","2","2","1") = "9"
    & skf18("1","6","10","4","2","3","1") = "9"
    & skf18("1","6","10","4","2","4","1") = "9"
    & skf18("1","6","10","4","2","5","1") = "9"
    & skf18("1","6","10","4","2","6","1") = "9"
    & skf18("1","6","10","4","2","7","1") = "9"
    & skf18("1","6","10","4","2","8","1") = "9"
    & skf18("1","6","10","4","2","9","1") = "9"
    & skf18("1","6","10","4","2","10","1") = "9"
    & skf18("1","6","10","4","3","1","1") = "9"
    & skf18("1","6","10","4","3","2","1") = "9"
    & skf18("1","6","10","4","3","3","1") = "9"
    & skf18("1","6","10","4","3","4","1") = "9"
    & skf18("1","6","10","4","3","5","1") = "9"
    & skf18("1","6","10","4","3","6","1") = "9"
    & skf18("1","6","10","4","3","7","1") = "9"
    & skf18("1","6","10","4","3","8","1") = "9"
    & skf18("1","6","10","4","3","9","1") = "9"
    & skf18("1","6","10","4","3","10","1") = "9"
    & skf18("1","6","10","4","4","1","1") = "9"
    & skf18("1","6","10","4","4","2","1") = "9"
    & skf18("1","6","10","4","4","3","1") = "9"
    & skf18("1","6","10","4","4","4","1") = "9"
    & skf18("1","6","10","4","4","5","1") = "9"
    & skf18("1","6","10","4","4","6","1") = "9"
    & skf18("1","6","10","4","4","7","1") = "9"
    & skf18("1","6","10","4","4","8","1") = "9"
    & skf18("1","6","10","4","4","9","1") = "9"
    & skf18("1","6","10","4","4","10","1") = "9"
    & skf18("1","6","10","4","5","1","1") = "9"
    & skf18("1","6","10","4","5","2","1") = "9"
    & skf18("1","6","10","4","5","3","1") = "9"
    & skf18("1","6","10","4","5","4","1") = "9"
    & skf18("1","6","10","4","5","5","1") = "9"
    & skf18("1","6","10","4","5","6","1") = "9"
    & skf18("1","6","10","4","5","7","1") = "9"
    & skf18("1","6","10","4","5","8","1") = "9"
    & skf18("1","6","10","4","5","9","1") = "9"
    & skf18("1","6","10","4","5","10","1") = "9"
    & skf18("1","6","10","4","6","1","1") = "9"
    & skf18("1","6","10","4","6","2","1") = "9"
    & skf18("1","6","10","4","6","3","1") = "9"
    & skf18("1","6","10","4","6","4","1") = "9"
    & skf18("1","6","10","4","6","5","1") = "9"
    & skf18("1","6","10","4","6","6","1") = "9"
    & skf18("1","6","10","4","6","7","1") = "9"
    & skf18("1","6","10","4","6","8","1") = "9"
    & skf18("1","6","10","4","6","9","1") = "9"
    & skf18("1","6","10","4","6","10","1") = "9"
    & skf18("1","6","10","4","7","1","1") = "9"
    & skf18("1","6","10","4","7","2","1") = "9"
    & skf18("1","6","10","4","7","3","1") = "9"
    & skf18("1","6","10","4","7","4","1") = "9"
    & skf18("1","6","10","4","7","5","1") = "9"
    & skf18("1","6","10","4","7","6","1") = "9"
    & skf18("1","6","10","4","7","7","1") = "9"
    & skf18("1","6","10","4","7","8","1") = "9"
    & skf18("1","6","10","4","7","9","1") = "9"
    & skf18("1","6","10","4","7","10","1") = "9"
    & skf18("1","6","10","4","8","1","1") = "9"
    & skf18("1","6","10","4","8","2","1") = "9"
    & skf18("1","6","10","4","8","3","1") = "9"
    & skf18("1","6","10","4","8","4","1") = "9"
    & skf18("1","6","10","4","8","5","1") = "9"
    & skf18("1","6","10","4","8","6","1") = "9"
    & skf18("1","6","10","4","8","7","1") = "9"
    & skf18("1","6","10","4","8","8","1") = "9"
    & skf18("1","6","10","4","8","9","1") = "9"
    & skf18("1","6","10","4","8","10","1") = "9"
    & skf18("1","6","10","4","9","1","1") = "9"
    & skf18("1","6","10","4","9","2","1") = "9"
    & skf18("1","6","10","4","9","3","1") = "9"
    & skf18("1","6","10","4","9","4","1") = "9"
    & skf18("1","6","10","4","9","5","1") = "9"
    & skf18("1","6","10","4","9","6","1") = "9"
    & skf18("1","6","10","4","9","7","1") = "9"
    & skf18("1","6","10","4","9","8","1") = "9"
    & skf18("1","6","10","4","9","9","1") = "9"
    & skf18("1","6","10","4","9","10","1") = "9"
    & skf18("1","6","10","4","10","1","1") = "9"
    & skf18("1","6","10","4","10","2","1") = "9"
    & skf18("1","6","10","4","10","3","1") = "9"
    & skf18("1","6","10","4","10","4","1") = "9"
    & skf18("1","6","10","4","10","5","1") = "9"
    & skf18("1","6","10","4","10","6","1") = "9"
    & skf18("1","6","10","4","10","7","1") = "9"
    & skf18("1","6","10","4","10","8","1") = "9"
    & skf18("1","6","10","4","10","9","1") = "9"
    & skf18("1","6","10","4","10","10","1") = "9"
    & skf18("1","6","10","5","1","1","1") = "9"
    & skf18("1","6","10","5","1","2","1") = "9"
    & skf18("1","6","10","5","1","3","1") = "9"
    & skf18("1","6","10","5","1","4","1") = "9"
    & skf18("1","6","10","5","1","5","1") = "9"
    & skf18("1","6","10","5","1","6","1") = "9"
    & skf18("1","6","10","5","1","7","1") = "9"
    & skf18("1","6","10","5","1","8","1") = "9"
    & skf18("1","6","10","5","1","9","1") = "9"
    & skf18("1","6","10","5","1","10","1") = "9"
    & skf18("1","6","10","5","2","1","1") = "9"
    & skf18("1","6","10","5","2","2","1") = "9"
    & skf18("1","6","10","5","2","3","1") = "9"
    & skf18("1","6","10","5","2","4","1") = "9"
    & skf18("1","6","10","5","2","5","1") = "9"
    & skf18("1","6","10","5","2","6","1") = "9"
    & skf18("1","6","10","5","2","7","1") = "9"
    & skf18("1","6","10","5","2","8","1") = "9"
    & skf18("1","6","10","5","2","9","1") = "9"
    & skf18("1","6","10","5","2","10","1") = "9"
    & skf18("1","6","10","5","3","1","1") = "9"
    & skf18("1","6","10","5","3","2","1") = "9"
    & skf18("1","6","10","5","3","3","1") = "9"
    & skf18("1","6","10","5","3","4","1") = "9"
    & skf18("1","6","10","5","3","5","1") = "9"
    & skf18("1","6","10","5","3","6","1") = "9"
    & skf18("1","6","10","5","3","7","1") = "9"
    & skf18("1","6","10","5","3","8","1") = "9"
    & skf18("1","6","10","5","3","9","1") = "9"
    & skf18("1","6","10","5","3","10","1") = "9"
    & skf18("1","6","10","5","4","1","1") = "9"
    & skf18("1","6","10","5","4","2","1") = "9"
    & skf18("1","6","10","5","4","3","1") = "9"
    & skf18("1","6","10","5","4","4","1") = "9"
    & skf18("1","6","10","5","4","5","1") = "9"
    & skf18("1","6","10","5","4","6","1") = "9"
    & skf18("1","6","10","5","4","7","1") = "9"
    & skf18("1","6","10","5","4","8","1") = "9"
    & skf18("1","6","10","5","4","9","1") = "9"
    & skf18("1","6","10","5","4","10","1") = "9"
    & skf18("1","6","10","5","5","1","1") = "9"
    & skf18("1","6","10","5","5","2","1") = "9"
    & skf18("1","6","10","5","5","3","1") = "9"
    & skf18("1","6","10","5","5","4","1") = "9"
    & skf18("1","6","10","5","5","5","1") = "9"
    & skf18("1","6","10","5","5","6","1") = "9"
    & skf18("1","6","10","5","5","7","1") = "9"
    & skf18("1","6","10","5","5","8","1") = "9"
    & skf18("1","6","10","5","5","9","1") = "9"
    & skf18("1","6","10","5","5","10","1") = "9"
    & skf18("1","6","10","5","6","1","1") = "9"
    & skf18("1","6","10","5","6","2","1") = "9"
    & skf18("1","6","10","5","6","3","1") = "9"
    & skf18("1","6","10","5","6","4","1") = "9"
    & skf18("1","6","10","5","6","5","1") = "9"
    & skf18("1","6","10","5","6","6","1") = "9"
    & skf18("1","6","10","5","6","7","1") = "9"
    & skf18("1","6","10","5","6","8","1") = "9"
    & skf18("1","6","10","5","6","9","1") = "9"
    & skf18("1","6","10","5","6","10","1") = "9"
    & skf18("1","6","10","5","7","1","1") = "9"
    & skf18("1","6","10","5","7","2","1") = "9"
    & skf18("1","6","10","5","7","3","1") = "9"
    & skf18("1","6","10","5","7","4","1") = "9"
    & skf18("1","6","10","5","7","5","1") = "9"
    & skf18("1","6","10","5","7","6","1") = "9"
    & skf18("1","6","10","5","7","7","1") = "9"
    & skf18("1","6","10","5","7","8","1") = "9"
    & skf18("1","6","10","5","7","9","1") = "9"
    & skf18("1","6","10","5","7","10","1") = "9"
    & skf18("1","6","10","5","8","1","1") = "9"
    & skf18("1","6","10","5","8","2","1") = "9"
    & skf18("1","6","10","5","8","3","1") = "9"
    & skf18("1","6","10","5","8","4","1") = "9"
    & skf18("1","6","10","5","8","5","1") = "9"
    & skf18("1","6","10","5","8","6","1") = "9"
    & skf18("1","6","10","5","8","7","1") = "9"
    & skf18("1","6","10","5","8","8","1") = "9"
    & skf18("1","6","10","5","8","9","1") = "9"
    & skf18("1","6","10","5","8","10","1") = "9"
    & skf18("1","6","10","5","9","1","1") = "9"
    & skf18("1","6","10","5","9","2","1") = "9"
    & skf18("1","6","10","5","9","3","1") = "9"
    & skf18("1","6","10","5","9","4","1") = "9"
    & skf18("1","6","10","5","9","5","1") = "9"
    & skf18("1","6","10","5","9","6","1") = "9"
    & skf18("1","6","10","5","9","7","1") = "9"
    & skf18("1","6","10","5","9","8","1") = "9"
    & skf18("1","6","10","5","9","9","1") = "9"
    & skf18("1","6","10","5","9","10","1") = "9"
    & skf18("1","6","10","5","10","1","1") = "9"
    & skf18("1","6","10","5","10","2","1") = "9"
    & skf18("1","6","10","5","10","3","1") = "9"
    & skf18("1","6","10","5","10","4","1") = "9"
    & skf18("1","6","10","5","10","5","1") = "9"
    & skf18("1","6","10","5","10","6","1") = "9"
    & skf18("1","6","10","5","10","7","1") = "9"
    & skf18("1","6","10","5","10","8","1") = "9"
    & skf18("1","6","10","5","10","9","1") = "9"
    & skf18("1","6","10","5","10","10","1") = "9"
    & skf18("1","6","10","6","1","1","1") = "9"
    & skf18("1","6","10","6","1","2","1") = "9"
    & skf18("1","6","10","6","1","3","1") = "9"
    & skf18("1","6","10","6","1","4","1") = "9"
    & skf18("1","6","10","6","1","5","1") = "9"
    & skf18("1","6","10","6","1","6","1") = "9"
    & skf18("1","6","10","6","1","7","1") = "9"
    & skf18("1","6","10","6","1","8","1") = "9"
    & skf18("1","6","10","6","1","9","1") = "9"
    & skf18("1","6","10","6","1","10","1") = "9"
    & skf18("1","6","10","6","2","1","1") = "9"
    & skf18("1","6","10","6","2","2","1") = "9"
    & skf18("1","6","10","6","2","3","1") = "9"
    & skf18("1","6","10","6","2","4","1") = "9"
    & skf18("1","6","10","6","2","5","1") = "9"
    & skf18("1","6","10","6","2","6","1") = "9"
    & skf18("1","6","10","6","2","7","1") = "9"
    & skf18("1","6","10","6","2","8","1") = "9"
    & skf18("1","6","10","6","2","9","1") = "9"
    & skf18("1","6","10","6","2","10","1") = "9"
    & skf18("1","6","10","6","3","1","1") = "9"
    & skf18("1","6","10","6","3","2","1") = "9"
    & skf18("1","6","10","6","3","3","1") = "9"
    & skf18("1","6","10","6","3","4","1") = "9"
    & skf18("1","6","10","6","3","5","1") = "9"
    & skf18("1","6","10","6","3","6","1") = "9"
    & skf18("1","6","10","6","3","7","1") = "9"
    & skf18("1","6","10","6","3","8","1") = "9"
    & skf18("1","6","10","6","3","9","1") = "9"
    & skf18("1","6","10","6","3","10","1") = "9"
    & skf18("1","6","10","6","4","1","1") = "9"
    & skf18("1","6","10","6","4","2","1") = "9"
    & skf18("1","6","10","6","4","3","1") = "9"
    & skf18("1","6","10","6","4","4","1") = "9"
    & skf18("1","6","10","6","4","5","1") = "9"
    & skf18("1","6","10","6","4","6","1") = "9"
    & skf18("1","6","10","6","4","7","1") = "9"
    & skf18("1","6","10","6","4","8","1") = "9"
    & skf18("1","6","10","6","4","9","1") = "9"
    & skf18("1","6","10","6","4","10","1") = "9"
    & skf18("1","6","10","6","5","1","1") = "9"
    & skf18("1","6","10","6","5","2","1") = "9"
    & skf18("1","6","10","6","5","3","1") = "9"
    & skf18("1","6","10","6","5","4","1") = "9"
    & skf18("1","6","10","6","5","5","1") = "9"
    & skf18("1","6","10","6","5","6","1") = "9"
    & skf18("1","6","10","6","5","7","1") = "9"
    & skf18("1","6","10","6","5","8","1") = "9"
    & skf18("1","6","10","6","5","9","1") = "9"
    & skf18("1","6","10","6","5","10","1") = "9"
    & skf18("1","6","10","6","6","1","1") = "9"
    & skf18("1","6","10","6","6","2","1") = "9"
    & skf18("1","6","10","6","6","3","1") = "9"
    & skf18("1","6","10","6","6","4","1") = "9"
    & skf18("1","6","10","6","6","5","1") = "9"
    & skf18("1","6","10","6","6","6","1") = "9"
    & skf18("1","6","10","6","6","7","1") = "9"
    & skf18("1","6","10","6","6","8","1") = "9"
    & skf18("1","6","10","6","6","9","1") = "9"
    & skf18("1","6","10","6","6","10","1") = "9"
    & skf18("1","6","10","6","7","1","1") = "9"
    & skf18("1","6","10","6","7","2","1") = "9"
    & skf18("1","6","10","6","7","3","1") = "9"
    & skf18("1","6","10","6","7","4","1") = "9"
    & skf18("1","6","10","6","7","5","1") = "9"
    & skf18("1","6","10","6","7","6","1") = "9"
    & skf18("1","6","10","6","7","7","1") = "9"
    & skf18("1","6","10","6","7","8","1") = "9"
    & skf18("1","6","10","6","7","9","1") = "9"
    & skf18("1","6","10","6","7","10","1") = "9"
    & skf18("1","6","10","6","8","1","1") = "9"
    & skf18("1","6","10","6","8","2","1") = "9"
    & skf18("1","6","10","6","8","3","1") = "9"
    & skf18("1","6","10","6","8","4","1") = "9"
    & skf18("1","6","10","6","8","5","1") = "9"
    & skf18("1","6","10","6","8","6","1") = "9"
    & skf18("1","6","10","6","8","7","1") = "9"
    & skf18("1","6","10","6","8","8","1") = "9"
    & skf18("1","6","10","6","8","9","1") = "9"
    & skf18("1","6","10","6","8","10","1") = "9"
    & skf18("1","6","10","6","9","1","1") = "9"
    & skf18("1","6","10","6","9","2","1") = "9"
    & skf18("1","6","10","6","9","3","1") = "9"
    & skf18("1","6","10","6","9","4","1") = "9"
    & skf18("1","6","10","6","9","5","1") = "9"
    & skf18("1","6","10","6","9","6","1") = "9"
    & skf18("1","6","10","6","9","7","1") = "9"
    & skf18("1","6","10","6","9","8","1") = "9"
    & skf18("1","6","10","6","9","9","1") = "9"
    & skf18("1","6","10","6","9","10","1") = "9"
    & skf18("1","6","10","6","10","1","1") = "9"
    & skf18("1","6","10","6","10","2","1") = "9"
    & skf18("1","6","10","6","10","3","1") = "9"
    & skf18("1","6","10","6","10","4","1") = "9"
    & skf18("1","6","10","6","10","5","1") = "9"
    & skf18("1","6","10","6","10","6","1") = "9"
    & skf18("1","6","10","6","10","7","1") = "9"
    & skf18("1","6","10","6","10","8","1") = "9"
    & skf18("1","6","10","6","10","9","1") = "9"
    & skf18("1","6","10","6","10","10","1") = "9"
    & skf18("1","6","10","7","1","1","1") = "9"
    & skf18("1","6","10","7","1","2","1") = "9"
    & skf18("1","6","10","7","1","3","1") = "9"
    & skf18("1","6","10","7","1","4","1") = "9"
    & skf18("1","6","10","7","1","5","1") = "9"
    & skf18("1","6","10","7","1","6","1") = "9"
    & skf18("1","6","10","7","1","7","1") = "9"
    & skf18("1","6","10","7","1","8","1") = "9"
    & skf18("1","6","10","7","1","9","1") = "9"
    & skf18("1","6","10","7","1","10","1") = "9"
    & skf18("1","6","10","7","2","1","1") = "9"
    & skf18("1","6","10","7","2","2","1") = "9"
    & skf18("1","6","10","7","2","3","1") = "9"
    & skf18("1","6","10","7","2","4","1") = "9"
    & skf18("1","6","10","7","2","5","1") = "9"
    & skf18("1","6","10","7","2","6","1") = "9"
    & skf18("1","6","10","7","2","7","1") = "9"
    & skf18("1","6","10","7","2","8","1") = "9"
    & skf18("1","6","10","7","2","9","1") = "9"
    & skf18("1","6","10","7","2","10","1") = "9"
    & skf18("1","6","10","7","3","1","1") = "9"
    & skf18("1","6","10","7","3","2","1") = "9"
    & skf18("1","6","10","7","3","3","1") = "9"
    & skf18("1","6","10","7","3","4","1") = "9"
    & skf18("1","6","10","7","3","5","1") = "9"
    & skf18("1","6","10","7","3","6","1") = "9"
    & skf18("1","6","10","7","3","7","1") = "9"
    & skf18("1","6","10","7","3","8","1") = "9"
    & skf18("1","6","10","7","3","9","1") = "9"
    & skf18("1","6","10","7","3","10","1") = "9"
    & skf18("1","6","10","7","4","1","1") = "9"
    & skf18("1","6","10","7","4","2","1") = "9"
    & skf18("1","6","10","7","4","3","1") = "9"
    & skf18("1","6","10","7","4","4","1") = "9"
    & skf18("1","6","10","7","4","5","1") = "9"
    & skf18("1","6","10","7","4","6","1") = "9"
    & skf18("1","6","10","7","4","7","1") = "9"
    & skf18("1","6","10","7","4","8","1") = "9"
    & skf18("1","6","10","7","4","9","1") = "9"
    & skf18("1","6","10","7","4","10","1") = "9"
    & skf18("1","6","10","7","5","1","1") = "9"
    & skf18("1","6","10","7","5","2","1") = "9"
    & skf18("1","6","10","7","5","3","1") = "9"
    & skf18("1","6","10","7","5","4","1") = "9"
    & skf18("1","6","10","7","5","5","1") = "9"
    & skf18("1","6","10","7","5","6","1") = "9"
    & skf18("1","6","10","7","5","7","1") = "9"
    & skf18("1","6","10","7","5","8","1") = "9"
    & skf18("1","6","10","7","5","9","1") = "9"
    & skf18("1","6","10","7","5","10","1") = "9"
    & skf18("1","6","10","7","6","1","1") = "9"
    & skf18("1","6","10","7","6","2","1") = "9"
    & skf18("1","6","10","7","6","3","1") = "9"
    & skf18("1","6","10","7","6","4","1") = "9"
    & skf18("1","6","10","7","6","5","1") = "9"
    & skf18("1","6","10","7","6","6","1") = "9"
    & skf18("1","6","10","7","6","7","1") = "9"
    & skf18("1","6","10","7","6","8","1") = "9"
    & skf18("1","6","10","7","6","9","1") = "9"
    & skf18("1","6","10","7","6","10","1") = "9"
    & skf18("1","6","10","7","7","1","1") = "9"
    & skf18("1","6","10","7","7","2","1") = "9"
    & skf18("1","6","10","7","7","3","1") = "9"
    & skf18("1","6","10","7","7","4","1") = "9"
    & skf18("1","6","10","7","7","5","1") = "9"
    & skf18("1","6","10","7","7","6","1") = "9"
    & skf18("1","6","10","7","7","7","1") = "9"
    & skf18("1","6","10","7","7","8","1") = "9"
    & skf18("1","6","10","7","7","9","1") = "9"
    & skf18("1","6","10","7","7","10","1") = "9"
    & skf18("1","6","10","7","8","1","1") = "9"
    & skf18("1","6","10","7","8","2","1") = "9"
    & skf18("1","6","10","7","8","3","1") = "9"
    & skf18("1","6","10","7","8","4","1") = "9"
    & skf18("1","6","10","7","8","5","1") = "9"
    & skf18("1","6","10","7","8","6","1") = "9"
    & skf18("1","6","10","7","8","7","1") = "9"
    & skf18("1","6","10","7","8","8","1") = "9"
    & skf18("1","6","10","7","8","9","1") = "9"
    & skf18("1","6","10","7","8","10","1") = "9"
    & skf18("1","6","10","7","9","1","1") = "9"
    & skf18("1","6","10","7","9","2","1") = "9"
    & skf18("1","6","10","7","9","3","1") = "9"
    & skf18("1","6","10","7","9","4","1") = "9"
    & skf18("1","6","10","7","9","5","1") = "9"
    & skf18("1","6","10","7","9","6","1") = "9"
    & skf18("1","6","10","7","9","7","1") = "9"
    & skf18("1","6","10","7","9","8","1") = "9"
    & skf18("1","6","10","7","9","9","1") = "9"
    & skf18("1","6","10","7","9","10","1") = "9"
    & skf18("1","6","10","7","10","1","1") = "9"
    & skf18("1","6","10","7","10","2","1") = "9"
    & skf18("1","6","10","7","10","3","1") = "9"
    & skf18("1","6","10","7","10","4","1") = "9"
    & skf18("1","6","10","7","10","5","1") = "9"
    & skf18("1","6","10","7","10","6","1") = "9"
    & skf18("1","6","10","7","10","7","1") = "9"
    & skf18("1","6","10","7","10","8","1") = "9"
    & skf18("1","6","10","7","10","9","1") = "9"
    & skf18("1","6","10","7","10","10","1") = "9"
    & skf18("1","6","10","8","1","1","1") = "9"
    & skf18("1","6","10","8","1","2","1") = "9"
    & skf18("1","6","10","8","1","3","1") = "9"
    & skf18("1","6","10","8","1","4","1") = "9"
    & skf18("1","6","10","8","1","5","1") = "9"
    & skf18("1","6","10","8","1","6","1") = "9"
    & skf18("1","6","10","8","1","7","1") = "9"
    & skf18("1","6","10","8","1","8","1") = "9"
    & skf18("1","6","10","8","1","9","1") = "9"
    & skf18("1","6","10","8","1","10","1") = "9"
    & skf18("1","6","10","8","2","1","1") = "9"
    & skf18("1","6","10","8","2","2","1") = "9"
    & skf18("1","6","10","8","2","3","1") = "9"
    & skf18("1","6","10","8","2","4","1") = "9"
    & skf18("1","6","10","8","2","5","1") = "9"
    & skf18("1","6","10","8","2","6","1") = "9"
    & skf18("1","6","10","8","2","7","1") = "9"
    & skf18("1","6","10","8","2","8","1") = "9"
    & skf18("1","6","10","8","2","9","1") = "9"
    & skf18("1","6","10","8","2","10","1") = "9"
    & skf18("1","6","10","8","3","1","1") = "9"
    & skf18("1","6","10","8","3","2","1") = "9"
    & skf18("1","6","10","8","3","3","1") = "9"
    & skf18("1","6","10","8","3","4","1") = "9"
    & skf18("1","6","10","8","3","5","1") = "9"
    & skf18("1","6","10","8","3","6","1") = "9"
    & skf18("1","6","10","8","3","7","1") = "9"
    & skf18("1","6","10","8","3","8","1") = "9"
    & skf18("1","6","10","8","3","9","1") = "9"
    & skf18("1","6","10","8","3","10","1") = "9"
    & skf18("1","6","10","8","4","1","1") = "9"
    & skf18("1","6","10","8","4","2","1") = "9"
    & skf18("1","6","10","8","4","3","1") = "9"
    & skf18("1","6","10","8","4","4","1") = "9"
    & skf18("1","6","10","8","4","5","1") = "9"
    & skf18("1","6","10","8","4","6","1") = "9"
    & skf18("1","6","10","8","4","7","1") = "9"
    & skf18("1","6","10","8","4","8","1") = "9"
    & skf18("1","6","10","8","4","9","1") = "9"
    & skf18("1","6","10","8","4","10","1") = "9"
    & skf18("1","6","10","8","5","1","1") = "9"
    & skf18("1","6","10","8","5","2","1") = "9"
    & skf18("1","6","10","8","5","3","1") = "9"
    & skf18("1","6","10","8","5","4","1") = "9"
    & skf18("1","6","10","8","5","5","1") = "9"
    & skf18("1","6","10","8","5","6","1") = "9"
    & skf18("1","6","10","8","5","7","1") = "9"
    & skf18("1","6","10","8","5","8","1") = "9"
    & skf18("1","6","10","8","5","9","1") = "9"
    & skf18("1","6","10","8","5","10","1") = "9"
    & skf18("1","6","10","8","6","1","1") = "9"
    & skf18("1","6","10","8","6","2","1") = "9"
    & skf18("1","6","10","8","6","3","1") = "9"
    & skf18("1","6","10","8","6","4","1") = "9"
    & skf18("1","6","10","8","6","5","1") = "9"
    & skf18("1","6","10","8","6","6","1") = "9"
    & skf18("1","6","10","8","6","7","1") = "9"
    & skf18("1","6","10","8","6","8","1") = "9"
    & skf18("1","6","10","8","6","9","1") = "9"
    & skf18("1","6","10","8","6","10","1") = "9"
    & skf18("1","6","10","8","7","1","1") = "9"
    & skf18("1","6","10","8","7","2","1") = "9"
    & skf18("1","6","10","8","7","3","1") = "9"
    & skf18("1","6","10","8","7","4","1") = "9"
    & skf18("1","6","10","8","7","5","1") = "9"
    & skf18("1","6","10","8","7","6","1") = "9"
    & skf18("1","6","10","8","7","7","1") = "9"
    & skf18("1","6","10","8","7","8","1") = "9"
    & skf18("1","6","10","8","7","9","1") = "9"
    & skf18("1","6","10","8","7","10","1") = "9"
    & skf18("1","6","10","8","8","1","1") = "9"
    & skf18("1","6","10","8","8","2","1") = "9"
    & skf18("1","6","10","8","8","3","1") = "9"
    & skf18("1","6","10","8","8","4","1") = "9"
    & skf18("1","6","10","8","8","5","1") = "9"
    & skf18("1","6","10","8","8","6","1") = "9"
    & skf18("1","6","10","8","8","7","1") = "9"
    & skf18("1","6","10","8","8","8","1") = "9"
    & skf18("1","6","10","8","8","9","1") = "9"
    & skf18("1","6","10","8","8","10","1") = "9"
    & skf18("1","6","10","8","9","1","1") = "9"
    & skf18("1","6","10","8","9","2","1") = "9"
    & skf18("1","6","10","8","9","3","1") = "9"
    & skf18("1","6","10","8","9","4","1") = "9"
    & skf18("1","6","10","8","9","5","1") = "9"
    & skf18("1","6","10","8","9","6","1") = "9"
    & skf18("1","6","10","8","9","7","1") = "9"
    & skf18("1","6","10","8","9","8","1") = "9"
    & skf18("1","6","10","8","9","9","1") = "9"
    & skf18("1","6","10","8","9","10","1") = "9"
    & skf18("1","6","10","8","10","1","1") = "9"
    & skf18("1","6","10","8","10","2","1") = "9"
    & skf18("1","6","10","8","10","3","1") = "9"
    & skf18("1","6","10","8","10","4","1") = "9"
    & skf18("1","6","10","8","10","5","1") = "9"
    & skf18("1","6","10","8","10","6","1") = "9"
    & skf18("1","6","10","8","10","7","1") = "9"
    & skf18("1","6","10","8","10","8","1") = "9"
    & skf18("1","6","10","8","10","9","1") = "9"
    & skf18("1","6","10","8","10","10","1") = "9"
    & skf18("1","6","10","9","1","1","1") = "9"
    & skf18("1","6","10","9","1","2","1") = "9"
    & skf18("1","6","10","9","1","3","1") = "9"
    & skf18("1","6","10","9","1","4","1") = "9"
    & skf18("1","6","10","9","1","5","1") = "9"
    & skf18("1","6","10","9","1","6","1") = "9"
    & skf18("1","6","10","9","1","7","1") = "9"
    & skf18("1","6","10","9","1","8","1") = "9"
    & skf18("1","6","10","9","1","9","1") = "9"
    & skf18("1","6","10","9","1","10","1") = "9"
    & skf18("1","6","10","9","2","1","1") = "9"
    & skf18("1","6","10","9","2","2","1") = "9"
    & skf18("1","6","10","9","2","3","1") = "9"
    & skf18("1","6","10","9","2","4","1") = "9"
    & skf18("1","6","10","9","2","5","1") = "9"
    & skf18("1","6","10","9","2","6","1") = "9"
    & skf18("1","6","10","9","2","7","1") = "9"
    & skf18("1","6","10","9","2","8","1") = "9"
    & skf18("1","6","10","9","2","9","1") = "9"
    & skf18("1","6","10","9","2","10","1") = "9"
    & skf18("1","6","10","9","3","1","1") = "9"
    & skf18("1","6","10","9","3","2","1") = "9"
    & skf18("1","6","10","9","3","3","1") = "9"
    & skf18("1","6","10","9","3","4","1") = "9"
    & skf18("1","6","10","9","3","5","1") = "9"
    & skf18("1","6","10","9","3","6","1") = "9"
    & skf18("1","6","10","9","3","7","1") = "9"
    & skf18("1","6","10","9","3","8","1") = "9"
    & skf18("1","6","10","9","3","9","1") = "9"
    & skf18("1","6","10","9","3","10","1") = "9"
    & skf18("1","6","10","9","4","1","1") = "9"
    & skf18("1","6","10","9","4","2","1") = "9"
    & skf18("1","6","10","9","4","3","1") = "9"
    & skf18("1","6","10","9","4","4","1") = "9"
    & skf18("1","6","10","9","4","5","1") = "9"
    & skf18("1","6","10","9","4","6","1") = "9"
    & skf18("1","6","10","9","4","7","1") = "9"
    & skf18("1","6","10","9","4","8","1") = "9"
    & skf18("1","6","10","9","4","9","1") = "9"
    & skf18("1","6","10","9","4","10","1") = "9"
    & skf18("1","6","10","9","5","1","1") = "9"
    & skf18("1","6","10","9","5","2","1") = "9"
    & skf18("1","6","10","9","5","3","1") = "9"
    & skf18("1","6","10","9","5","4","1") = "9"
    & skf18("1","6","10","9","5","5","1") = "9"
    & skf18("1","6","10","9","5","6","1") = "9"
    & skf18("1","6","10","9","5","7","1") = "9"
    & skf18("1","6","10","9","5","8","1") = "9"
    & skf18("1","6","10","9","5","9","1") = "9"
    & skf18("1","6","10","9","5","10","1") = "9"
    & skf18("1","6","10","9","6","1","1") = "9"
    & skf18("1","6","10","9","6","2","1") = "9"
    & skf18("1","6","10","9","6","3","1") = "9"
    & skf18("1","6","10","9","6","4","1") = "9"
    & skf18("1","6","10","9","6","5","1") = "9"
    & skf18("1","6","10","9","6","6","1") = "9"
    & skf18("1","6","10","9","6","7","1") = "9"
    & skf18("1","6","10","9","6","8","1") = "9"
    & skf18("1","6","10","9","6","9","1") = "9"
    & skf18("1","6","10","9","6","10","1") = "9"
    & skf18("1","6","10","9","7","1","1") = "9"
    & skf18("1","6","10","9","7","2","1") = "9"
    & skf18("1","6","10","9","7","3","1") = "9"
    & skf18("1","6","10","9","7","4","1") = "9"
    & skf18("1","6","10","9","7","5","1") = "9"
    & skf18("1","6","10","9","7","6","1") = "9"
    & skf18("1","6","10","9","7","7","1") = "9"
    & skf18("1","6","10","9","7","8","1") = "9"
    & skf18("1","6","10","9","7","9","1") = "9"
    & skf18("1","6","10","9","7","10","1") = "9"
    & skf18("1","6","10","9","8","1","1") = "9"
    & skf18("1","6","10","9","8","2","1") = "9"
    & skf18("1","6","10","9","8","3","1") = "9"
    & skf18("1","6","10","9","8","4","1") = "9"
    & skf18("1","6","10","9","8","5","1") = "9"
    & skf18("1","6","10","9","8","6","1") = "9"
    & skf18("1","6","10","9","8","7","1") = "9"
    & skf18("1","6","10","9","8","8","1") = "9"
    & skf18("1","6","10","9","8","9","1") = "9"
    & skf18("1","6","10","9","8","10","1") = "9"
    & skf18("1","6","10","9","9","1","1") = "9"
    & skf18("1","6","10","9","9","2","1") = "9"
    & skf18("1","6","10","9","9","3","1") = "9"
    & skf18("1","6","10","9","9","4","1") = "9"
    & skf18("1","6","10","9","9","5","1") = "9"
    & skf18("1","6","10","9","9","6","1") = "9"
    & skf18("1","6","10","9","9","7","1") = "9"
    & skf18("1","6","10","9","9","8","1") = "9"
    & skf18("1","6","10","9","9","9","1") = "9"
    & skf18("1","6","10","9","9","10","1") = "9"
    & skf18("1","6","10","9","10","1","1") = "9"
    & skf18("1","6","10","9","10","2","1") = "9"
    & skf18("1","6","10","9","10","3","1") = "9"
    & skf18("1","6","10","9","10","4","1") = "9"
    & skf18("1","6","10","9","10","5","1") = "9"
    & skf18("1","6","10","9","10","6","1") = "9"
    & skf18("1","6","10","9","10","7","1") = "9"
    & skf18("1","6","10","9","10","8","1") = "9"
    & skf18("1","6","10","9","10","9","1") = "9"
    & skf18("1","6","10","9","10","10","1") = "9"
    & skf18("1","6","10","10","1","1","1") = "9"
    & skf18("1","6","10","10","1","2","1") = "9"
    & skf18("1","6","10","10","1","3","1") = "9"
    & skf18("1","6","10","10","1","4","1") = "9"
    & skf18("1","6","10","10","1","5","1") = "9"
    & skf18("1","6","10","10","1","6","1") = "9"
    & skf18("1","6","10","10","1","7","1") = "9"
    & skf18("1","6","10","10","1","8","1") = "9"
    & skf18("1","6","10","10","1","9","1") = "9"
    & skf18("1","6","10","10","1","10","1") = "9"
    & skf18("1","6","10","10","2","1","1") = "9"
    & skf18("1","6","10","10","2","2","1") = "9"
    & skf18("1","6","10","10","2","3","1") = "9"
    & skf18("1","6","10","10","2","4","1") = "9"
    & skf18("1","6","10","10","2","5","1") = "9"
    & skf18("1","6","10","10","2","6","1") = "9"
    & skf18("1","6","10","10","2","7","1") = "9"
    & skf18("1","6","10","10","2","8","1") = "9"
    & skf18("1","6","10","10","2","9","1") = "9"
    & skf18("1","6","10","10","2","10","1") = "9"
    & skf18("1","6","10","10","3","1","1") = "9"
    & skf18("1","6","10","10","3","2","1") = "9"
    & skf18("1","6","10","10","3","3","1") = "9"
    & skf18("1","6","10","10","3","4","1") = "9"
    & skf18("1","6","10","10","3","5","1") = "9"
    & skf18("1","6","10","10","3","6","1") = "9"
    & skf18("1","6","10","10","3","7","1") = "9"
    & skf18("1","6","10","10","3","8","1") = "9"
    & skf18("1","6","10","10","3","9","1") = "9"
    & skf18("1","6","10","10","3","10","1") = "9"
    & skf18("1","6","10","10","4","1","1") = "9"
    & skf18("1","6","10","10","4","2","1") = "9"
    & skf18("1","6","10","10","4","3","1") = "9"
    & skf18("1","6","10","10","4","4","1") = "9"
    & skf18("1","6","10","10","4","5","1") = "9"
    & skf18("1","6","10","10","4","6","1") = "9"
    & skf18("1","6","10","10","4","7","1") = "9"
    & skf18("1","6","10","10","4","8","1") = "9"
    & skf18("1","6","10","10","4","9","1") = "9"
    & skf18("1","6","10","10","4","10","1") = "9"
    & skf18("1","6","10","10","5","1","1") = "9"
    & skf18("1","6","10","10","5","2","1") = "9"
    & skf18("1","6","10","10","5","3","1") = "9"
    & skf18("1","6","10","10","5","4","1") = "9"
    & skf18("1","6","10","10","5","5","1") = "9"
    & skf18("1","6","10","10","5","6","1") = "9"
    & skf18("1","6","10","10","5","7","1") = "9"
    & skf18("1","6","10","10","5","8","1") = "9"
    & skf18("1","6","10","10","5","9","1") = "9"
    & skf18("1","6","10","10","5","10","1") = "9"
    & skf18("1","6","10","10","6","1","1") = "9"
    & skf18("1","6","10","10","6","2","1") = "9"
    & skf18("1","6","10","10","6","3","1") = "9"
    & skf18("1","6","10","10","6","4","1") = "9"
    & skf18("1","6","10","10","6","5","1") = "9"
    & skf18("1","6","10","10","6","6","1") = "9"
    & skf18("1","6","10","10","6","7","1") = "9"
    & skf18("1","6","10","10","6","8","1") = "9"
    & skf18("1","6","10","10","6","9","1") = "9"
    & skf18("1","6","10","10","6","10","1") = "9"
    & skf18("1","6","10","10","7","1","1") = "9"
    & skf18("1","6","10","10","7","2","1") = "9"
    & skf18("1","6","10","10","7","3","1") = "9"
    & skf18("1","6","10","10","7","4","1") = "9"
    & skf18("1","6","10","10","7","5","1") = "9"
    & skf18("1","6","10","10","7","6","1") = "9"
    & skf18("1","6","10","10","7","7","1") = "9"
    & skf18("1","6","10","10","7","8","1") = "9"
    & skf18("1","6","10","10","7","9","1") = "9"
    & skf18("1","6","10","10","7","10","1") = "9"
    & skf18("1","6","10","10","8","1","1") = "9"
    & skf18("1","6","10","10","8","2","1") = "9"
    & skf18("1","6","10","10","8","3","1") = "9"
    & skf18("1","6","10","10","8","4","1") = "9"
    & skf18("1","6","10","10","8","5","1") = "9"
    & skf18("1","6","10","10","8","6","1") = "9"
    & skf18("1","6","10","10","8","7","1") = "9"
    & skf18("1","6","10","10","8","8","1") = "9"
    & skf18("1","6","10","10","8","9","1") = "9"
    & skf18("1","6","10","10","8","10","1") = "9"
    & skf18("1","6","10","10","9","1","1") = "9"
    & skf18("1","6","10","10","9","2","1") = "9"
    & skf18("1","6","10","10","9","3","1") = "9"
    & skf18("1","6","10","10","9","4","1") = "9"
    & skf18("1","6","10","10","9","5","1") = "9"
    & skf18("1","6","10","10","9","6","1") = "9"
    & skf18("1","6","10","10","9","7","1") = "9"
    & skf18("1","6","10","10","9","8","1") = "9"
    & skf18("1","6","10","10","9","9","1") = "9"
    & skf18("1","6","10","10","9","10","1") = "9"
    & skf18("1","6","10","10","10","1","1") = "9"
    & skf18("1","6","10","10","10","2","1") = "9"
    & skf18("1","6","10","10","10","3","1") = "9"
    & skf18("1","6","10","10","10","4","1") = "9"
    & skf18("1","6","10","10","10","5","1") = "9"
    & skf18("1","6","10","10","10","6","1") = "9"
    & skf18("1","6","10","10","10","7","1") = "9"
    & skf18("1","6","10","10","10","8","1") = "9"
    & skf18("1","6","10","10","10","9","1") = "9"
    & skf18("1","6","10","10","10","10","1") = "9"
    & skf18("1","7","1","1","1","1","1") = "6"
    & skf18("1","7","1","1","1","2","1") = "6"
    & skf18("1","7","1","1","1","3","1") = "6"
    & skf18("1","7","1","1","1","4","1") = "6"
    & skf18("1","7","1","1","1","5","1") = "6"
    & skf18("1","7","1","1","1","6","1") = "6"
    & skf18("1","7","1","1","1","7","1") = "6"
    & skf18("1","7","1","1","1","8","1") = "7"
    & skf18("1","7","1","1","1","9","1") = "8"
    & skf18("1","7","1","1","1","10","1") = "9"
    & skf18("1","7","1","1","2","1","1") = "6"
    & skf18("1","7","1","1","2","2","1") = "6"
    & skf18("1","7","1","1","2","3","1") = "6"
    & skf18("1","7","1","1","2","4","1") = "6"
    & skf18("1","7","1","1","2","5","1") = "6"
    & skf18("1","7","1","1","2","6","1") = "6"
    & skf18("1","7","1","1","2","7","1") = "6"
    & skf18("1","7","1","1","2","8","1") = "7"
    & skf18("1","7","1","1","2","9","1") = "8"
    & skf18("1","7","1","1","2","10","1") = "9"
    & skf18("1","7","1","1","3","1","1") = "6"
    & skf18("1","7","1","1","3","2","1") = "6"
    & skf18("1","7","1","1","3","3","1") = "6"
    & skf18("1","7","1","1","3","4","1") = "6"
    & skf18("1","7","1","1","3","5","1") = "6"
    & skf18("1","7","1","1","3","6","1") = "6"
    & skf18("1","7","1","1","3","7","1") = "6"
    & skf18("1","7","1","1","3","8","1") = "7"
    & skf18("1","7","1","1","3","9","1") = "8"
    & skf18("1","7","1","1","3","10","1") = "9"
    & skf18("1","7","1","1","4","1","1") = "6"
    & skf18("1","7","1","1","4","2","1") = "6"
    & skf18("1","7","1","1","4","3","1") = "6"
    & skf18("1","7","1","1","4","4","1") = "6"
    & skf18("1","7","1","1","4","5","1") = "6"
    & skf18("1","7","1","1","4","6","1") = "6"
    & skf18("1","7","1","1","4","7","1") = "6"
    & skf18("1","7","1","1","4","8","1") = "7"
    & skf18("1","7","1","1","4","9","1") = "8"
    & skf18("1","7","1","1","4","10","1") = "9"
    & skf18("1","7","1","1","5","1","1") = "6"
    & skf18("1","7","1","1","5","2","1") = "6"
    & skf18("1","7","1","1","5","3","1") = "6"
    & skf18("1","7","1","1","5","4","1") = "6"
    & skf18("1","7","1","1","5","5","1") = "6"
    & skf18("1","7","1","1","5","6","1") = "6"
    & skf18("1","7","1","1","5","7","1") = "6"
    & skf18("1","7","1","1","5","8","1") = "7"
    & skf18("1","7","1","1","5","9","1") = "8"
    & skf18("1","7","1","1","5","10","1") = "9"
    & skf18("1","7","1","1","6","1","1") = "6"
    & skf18("1","7","1","1","6","2","1") = "6"
    & skf18("1","7","1","1","6","3","1") = "6"
    & skf18("1","7","1","1","6","4","1") = "6"
    & skf18("1","7","1","1","6","5","1") = "6"
    & skf18("1","7","1","1","6","6","1") = "6"
    & skf18("1","7","1","1","6","7","1") = "6"
    & skf18("1","7","1","1","6","8","1") = "7"
    & skf18("1","7","1","1","6","9","1") = "8"
    & skf18("1","7","1","1","6","10","1") = "9"
    & skf18("1","7","1","1","7","1","1") = "6"
    & skf18("1","7","1","1","7","2","1") = "6"
    & skf18("1","7","1","1","7","3","1") = "6"
    & skf18("1","7","1","1","7","4","1") = "6"
    & skf18("1","7","1","1","7","5","1") = "6"
    & skf18("1","7","1","1","7","6","1") = "6"
    & skf18("1","7","1","1","7","7","1") = "6"
    & skf18("1","7","1","1","7","8","1") = "7"
    & skf18("1","7","1","1","7","9","1") = "8"
    & skf18("1","7","1","1","7","10","1") = "9"
    & skf18("1","7","1","1","8","1","1") = "7"
    & skf18("1","7","1","1","8","2","1") = "7"
    & skf18("1","7","1","1","8","3","1") = "7"
    & skf18("1","7","1","1","8","4","1") = "7"
    & skf18("1","7","1","1","8","5","1") = "7"
    & skf18("1","7","1","1","8","6","1") = "7"
    & skf18("1","7","1","1","8","7","1") = "7"
    & skf18("1","7","1","1","8","8","1") = "7"
    & skf18("1","7","1","1","8","9","1") = "8"
    & skf18("1","7","1","1","8","10","1") = "9"
    & skf18("1","7","1","1","9","1","1") = "8"
    & skf18("1","7","1","1","9","2","1") = "8"
    & skf18("1","7","1","1","9","3","1") = "8"
    & skf18("1","7","1","1","9","4","1") = "8"
    & skf18("1","7","1","1","9","5","1") = "8"
    & skf18("1","7","1","1","9","6","1") = "8"
    & skf18("1","7","1","1","9","7","1") = "8"
    & skf18("1","7","1","1","9","8","1") = "8"
    & skf18("1","7","1","1","9","9","1") = "8"
    & skf18("1","7","1","1","9","10","1") = "9"
    & skf18("1","7","1","1","10","1","1") = "9"
    & skf18("1","7","1","1","10","2","1") = "9"
    & skf18("1","7","1","1","10","3","1") = "9"
    & skf18("1","7","1","1","10","4","1") = "9"
    & skf18("1","7","1","1","10","5","1") = "9"
    & skf18("1","7","1","1","10","6","1") = "9"
    & skf18("1","7","1","1","10","7","1") = "9"
    & skf18("1","7","1","1","10","8","1") = "9"
    & skf18("1","7","1","1","10","9","1") = "9"
    & skf18("1","7","1","1","10","10","1") = "9"
    & skf18("1","7","1","2","1","1","1") = "6"
    & skf18("1","7","1","2","1","2","1") = "6"
    & skf18("1","7","1","2","1","3","1") = "6"
    & skf18("1","7","1","2","1","4","1") = "6"
    & skf18("1","7","1","2","1","5","1") = "6"
    & skf18("1","7","1","2","1","6","1") = "6"
    & skf18("1","7","1","2","1","7","1") = "6"
    & skf18("1","7","1","2","1","8","1") = "7"
    & skf18("1","7","1","2","1","9","1") = "8"
    & skf18("1","7","1","2","1","10","1") = "9"
    & skf18("1","7","1","2","2","1","1") = "6"
    & skf18("1","7","1","2","2","2","1") = "6"
    & skf18("1","7","1","2","2","3","1") = "6"
    & skf18("1","7","1","2","2","4","1") = "6"
    & skf18("1","7","1","2","2","5","1") = "6"
    & skf18("1","7","1","2","2","6","1") = "6"
    & skf18("1","7","1","2","2","7","1") = "6"
    & skf18("1","7","1","2","2","8","1") = "7"
    & skf18("1","7","1","2","2","9","1") = "8"
    & skf18("1","7","1","2","2","10","1") = "9"
    & skf18("1","7","1","2","3","1","1") = "6"
    & skf18("1","7","1","2","3","2","1") = "6"
    & skf18("1","7","1","2","3","3","1") = "6"
    & skf18("1","7","1","2","3","4","1") = "6"
    & skf18("1","7","1","2","3","5","1") = "6"
    & skf18("1","7","1","2","3","6","1") = "6"
    & skf18("1","7","1","2","3","7","1") = "6"
    & skf18("1","7","1","2","3","8","1") = "7"
    & skf18("1","7","1","2","3","9","1") = "8"
    & skf18("1","7","1","2","3","10","1") = "9"
    & skf18("1","7","1","2","4","1","1") = "6"
    & skf18("1","7","1","2","4","2","1") = "6"
    & skf18("1","7","1","2","4","3","1") = "6"
    & skf18("1","7","1","2","4","4","1") = "6"
    & skf18("1","7","1","2","4","5","1") = "6"
    & skf18("1","7","1","2","4","6","1") = "6"
    & skf18("1","7","1","2","4","7","1") = "6"
    & skf18("1","7","1","2","4","8","1") = "7"
    & skf18("1","7","1","2","4","9","1") = "8"
    & skf18("1","7","1","2","4","10","1") = "9"
    & skf18("1","7","1","2","5","1","1") = "6"
    & skf18("1","7","1","2","5","2","1") = "6"
    & skf18("1","7","1","2","5","3","1") = "6"
    & skf18("1","7","1","2","5","4","1") = "6"
    & skf18("1","7","1","2","5","5","1") = "6"
    & skf18("1","7","1","2","5","6","1") = "6"
    & skf18("1","7","1","2","5","7","1") = "6"
    & skf18("1","7","1","2","5","8","1") = "7"
    & skf18("1","7","1","2","5","9","1") = "8"
    & skf18("1","7","1","2","5","10","1") = "9"
    & skf18("1","7","1","2","6","1","1") = "6"
    & skf18("1","7","1","2","6","2","1") = "6"
    & skf18("1","7","1","2","6","3","1") = "6"
    & skf18("1","7","1","2","6","4","1") = "6"
    & skf18("1","7","1","2","6","5","1") = "6"
    & skf18("1","7","1","2","6","6","1") = "6"
    & skf18("1","7","1","2","6","7","1") = "6"
    & skf18("1","7","1","2","6","8","1") = "7"
    & skf18("1","7","1","2","6","9","1") = "8"
    & skf18("1","7","1","2","6","10","1") = "9"
    & skf18("1","7","1","2","7","1","1") = "6"
    & skf18("1","7","1","2","7","2","1") = "6"
    & skf18("1","7","1","2","7","3","1") = "6"
    & skf18("1","7","1","2","7","4","1") = "6"
    & skf18("1","7","1","2","7","5","1") = "6"
    & skf18("1","7","1","2","7","6","1") = "6"
    & skf18("1","7","1","2","7","7","1") = "6"
    & skf18("1","7","1","2","7","8","1") = "7"
    & skf18("1","7","1","2","7","9","1") = "8"
    & skf18("1","7","1","2","7","10","1") = "9"
    & skf18("1","7","1","2","8","1","1") = "7"
    & skf18("1","7","1","2","8","2","1") = "7"
    & skf18("1","7","1","2","8","3","1") = "7"
    & skf18("1","7","1","2","8","4","1") = "7"
    & skf18("1","7","1","2","8","5","1") = "7"
    & skf18("1","7","1","2","8","6","1") = "7"
    & skf18("1","7","1","2","8","7","1") = "7"
    & skf18("1","7","1","2","8","8","1") = "7"
    & skf18("1","7","1","2","8","9","1") = "8"
    & skf18("1","7","1","2","8","10","1") = "9"
    & skf18("1","7","1","2","9","1","1") = "8"
    & skf18("1","7","1","2","9","2","1") = "8"
    & skf18("1","7","1","2","9","3","1") = "8"
    & skf18("1","7","1","2","9","4","1") = "8"
    & skf18("1","7","1","2","9","5","1") = "8"
    & skf18("1","7","1","2","9","6","1") = "8"
    & skf18("1","7","1","2","9","7","1") = "8"
    & skf18("1","7","1","2","9","8","1") = "8"
    & skf18("1","7","1","2","9","9","1") = "8"
    & skf18("1","7","1","2","9","10","1") = "9"
    & skf18("1","7","1","2","10","1","1") = "9"
    & skf18("1","7","1","2","10","2","1") = "9"
    & skf18("1","7","1","2","10","3","1") = "9"
    & skf18("1","7","1","2","10","4","1") = "9"
    & skf18("1","7","1","2","10","5","1") = "9"
    & skf18("1","7","1","2","10","6","1") = "9"
    & skf18("1","7","1","2","10","7","1") = "9"
    & skf18("1","7","1","2","10","8","1") = "9"
    & skf18("1","7","1","2","10","9","1") = "9"
    & skf18("1","7","1","2","10","10","1") = "9"
    & skf18("1","7","1","3","1","1","1") = "6"
    & skf18("1","7","1","3","1","2","1") = "6"
    & skf18("1","7","1","3","1","3","1") = "6"
    & skf18("1","7","1","3","1","4","1") = "6"
    & skf18("1","7","1","3","1","5","1") = "6"
    & skf18("1","7","1","3","1","6","1") = "6"
    & skf18("1","7","1","3","1","7","1") = "6"
    & skf18("1","7","1","3","1","8","1") = "7"
    & skf18("1","7","1","3","1","9","1") = "8"
    & skf18("1","7","1","3","1","10","1") = "9"
    & skf18("1","7","1","3","2","1","1") = "6"
    & skf18("1","7","1","3","2","2","1") = "6"
    & skf18("1","7","1","3","2","3","1") = "6"
    & skf18("1","7","1","3","2","4","1") = "6"
    & skf18("1","7","1","3","2","5","1") = "6"
    & skf18("1","7","1","3","2","6","1") = "6"
    & skf18("1","7","1","3","2","7","1") = "6"
    & skf18("1","7","1","3","2","8","1") = "7"
    & skf18("1","7","1","3","2","9","1") = "8"
    & skf18("1","7","1","3","2","10","1") = "9"
    & skf18("1","7","1","3","3","1","1") = "6"
    & skf18("1","7","1","3","3","2","1") = "6"
    & skf18("1","7","1","3","3","3","1") = "6"
    & skf18("1","7","1","3","3","4","1") = "6"
    & skf18("1","7","1","3","3","5","1") = "6"
    & skf18("1","7","1","3","3","6","1") = "6"
    & skf18("1","7","1","3","3","7","1") = "6"
    & skf18("1","7","1","3","3","8","1") = "7"
    & skf18("1","7","1","3","3","9","1") = "8"
    & skf18("1","7","1","3","3","10","1") = "9"
    & skf18("1","7","1","3","4","1","1") = "6"
    & skf18("1","7","1","3","4","2","1") = "6"
    & skf18("1","7","1","3","4","3","1") = "6"
    & skf18("1","7","1","3","4","4","1") = "6"
    & skf18("1","7","1","3","4","5","1") = "6"
    & skf18("1","7","1","3","4","6","1") = "6"
    & skf18("1","7","1","3","4","7","1") = "6"
    & skf18("1","7","1","3","4","8","1") = "7"
    & skf18("1","7","1","3","4","9","1") = "8"
    & skf18("1","7","1","3","4","10","1") = "9"
    & skf18("1","7","1","3","5","1","1") = "6"
    & skf18("1","7","1","3","5","2","1") = "6"
    & skf18("1","7","1","3","5","3","1") = "6"
    & skf18("1","7","1","3","5","4","1") = "6"
    & skf18("1","7","1","3","5","5","1") = "6"
    & skf18("1","7","1","3","5","6","1") = "6"
    & skf18("1","7","1","3","5","7","1") = "6"
    & skf18("1","7","1","3","5","8","1") = "7"
    & skf18("1","7","1","3","5","9","1") = "8"
    & skf18("1","7","1","3","5","10","1") = "9"
    & skf18("1","7","1","3","6","1","1") = "6"
    & skf18("1","7","1","3","6","2","1") = "6"
    & skf18("1","7","1","3","6","3","1") = "6"
    & skf18("1","7","1","3","6","4","1") = "6"
    & skf18("1","7","1","3","6","5","1") = "6"
    & skf18("1","7","1","3","6","6","1") = "6"
    & skf18("1","7","1","3","6","7","1") = "6"
    & skf18("1","7","1","3","6","8","1") = "7"
    & skf18("1","7","1","3","6","9","1") = "8"
    & skf18("1","7","1","3","6","10","1") = "9"
    & skf18("1","7","1","3","7","1","1") = "6"
    & skf18("1","7","1","3","7","2","1") = "6"
    & skf18("1","7","1","3","7","3","1") = "6"
    & skf18("1","7","1","3","7","4","1") = "6"
    & skf18("1","7","1","3","7","5","1") = "6"
    & skf18("1","7","1","3","7","6","1") = "6"
    & skf18("1","7","1","3","7","7","1") = "6"
    & skf18("1","7","1","3","7","8","1") = "7"
    & skf18("1","7","1","3","7","9","1") = "8"
    & skf18("1","7","1","3","7","10","1") = "9"
    & skf18("1","7","1","3","8","1","1") = "7"
    & skf18("1","7","1","3","8","2","1") = "7"
    & skf18("1","7","1","3","8","3","1") = "7"
    & skf18("1","7","1","3","8","4","1") = "7"
    & skf18("1","7","1","3","8","5","1") = "7"
    & skf18("1","7","1","3","8","6","1") = "7"
    & skf18("1","7","1","3","8","7","1") = "7"
    & skf18("1","7","1","3","8","8","1") = "7"
    & skf18("1","7","1","3","8","9","1") = "8"
    & skf18("1","7","1","3","8","10","1") = "9"
    & skf18("1","7","1","3","9","1","1") = "8"
    & skf18("1","7","1","3","9","2","1") = "8"
    & skf18("1","7","1","3","9","3","1") = "8"
    & skf18("1","7","1","3","9","4","1") = "8"
    & skf18("1","7","1","3","9","5","1") = "8"
    & skf18("1","7","1","3","9","6","1") = "8"
    & skf18("1","7","1","3","9","7","1") = "8"
    & skf18("1","7","1","3","9","8","1") = "8"
    & skf18("1","7","1","3","9","9","1") = "8"
    & skf18("1","7","1","3","9","10","1") = "9"
    & skf18("1","7","1","3","10","1","1") = "9"
    & skf18("1","7","1","3","10","2","1") = "9"
    & skf18("1","7","1","3","10","3","1") = "9"
    & skf18("1","7","1","3","10","4","1") = "9"
    & skf18("1","7","1","3","10","5","1") = "9"
    & skf18("1","7","1","3","10","6","1") = "9"
    & skf18("1","7","1","3","10","7","1") = "9"
    & skf18("1","7","1","3","10","8","1") = "9"
    & skf18("1","7","1","3","10","9","1") = "9"
    & skf18("1","7","1","3","10","10","1") = "9"
    & skf18("1","7","1","4","1","1","1") = "6"
    & skf18("1","7","1","4","1","2","1") = "6"
    & skf18("1","7","1","4","1","3","1") = "6"
    & skf18("1","7","1","4","1","4","1") = "6"
    & skf18("1","7","1","4","1","5","1") = "6"
    & skf18("1","7","1","4","1","6","1") = "6"
    & skf18("1","7","1","4","1","7","1") = "6"
    & skf18("1","7","1","4","1","8","1") = "7"
    & skf18("1","7","1","4","1","9","1") = "8"
    & skf18("1","7","1","4","1","10","1") = "9"
    & skf18("1","7","1","4","2","1","1") = "6"
    & skf18("1","7","1","4","2","2","1") = "6"
    & skf18("1","7","1","4","2","3","1") = "6"
    & skf18("1","7","1","4","2","4","1") = "6"
    & skf18("1","7","1","4","2","5","1") = "6"
    & skf18("1","7","1","4","2","6","1") = "6"
    & skf18("1","7","1","4","2","7","1") = "6"
    & skf18("1","7","1","4","2","8","1") = "7"
    & skf18("1","7","1","4","2","9","1") = "8"
    & skf18("1","7","1","4","2","10","1") = "9"
    & skf18("1","7","1","4","3","1","1") = "6"
    & skf18("1","7","1","4","3","2","1") = "6"
    & skf18("1","7","1","4","3","3","1") = "6"
    & skf18("1","7","1","4","3","4","1") = "6"
    & skf18("1","7","1","4","3","5","1") = "6"
    & skf18("1","7","1","4","3","6","1") = "6"
    & skf18("1","7","1","4","3","7","1") = "6"
    & skf18("1","7","1","4","3","8","1") = "7"
    & skf18("1","7","1","4","3","9","1") = "8"
    & skf18("1","7","1","4","3","10","1") = "9"
    & skf18("1","7","1","4","4","1","1") = "6"
    & skf18("1","7","1","4","4","2","1") = "6"
    & skf18("1","7","1","4","4","3","1") = "6"
    & skf18("1","7","1","4","4","4","1") = "6"
    & skf18("1","7","1","4","4","5","1") = "6"
    & skf18("1","7","1","4","4","6","1") = "6"
    & skf18("1","7","1","4","4","7","1") = "6"
    & skf18("1","7","1","4","4","8","1") = "7"
    & skf18("1","7","1","4","4","9","1") = "8"
    & skf18("1","7","1","4","4","10","1") = "9"
    & skf18("1","7","1","4","5","1","1") = "6"
    & skf18("1","7","1","4","5","2","1") = "6"
    & skf18("1","7","1","4","5","3","1") = "6"
    & skf18("1","7","1","4","5","4","1") = "6"
    & skf18("1","7","1","4","5","5","1") = "6"
    & skf18("1","7","1","4","5","6","1") = "6"
    & skf18("1","7","1","4","5","7","1") = "6"
    & skf18("1","7","1","4","5","8","1") = "7"
    & skf18("1","7","1","4","5","9","1") = "8"
    & skf18("1","7","1","4","5","10","1") = "9"
    & skf18("1","7","1","4","6","1","1") = "6"
    & skf18("1","7","1","4","6","2","1") = "6"
    & skf18("1","7","1","4","6","3","1") = "6"
    & skf18("1","7","1","4","6","4","1") = "6"
    & skf18("1","7","1","4","6","5","1") = "6"
    & skf18("1","7","1","4","6","6","1") = "6"
    & skf18("1","7","1","4","6","7","1") = "6"
    & skf18("1","7","1","4","6","8","1") = "7"
    & skf18("1","7","1","4","6","9","1") = "8"
    & skf18("1","7","1","4","6","10","1") = "9"
    & skf18("1","7","1","4","7","1","1") = "6"
    & skf18("1","7","1","4","7","2","1") = "6"
    & skf18("1","7","1","4","7","3","1") = "6"
    & skf18("1","7","1","4","7","4","1") = "6"
    & skf18("1","7","1","4","7","5","1") = "6"
    & skf18("1","7","1","4","7","6","1") = "6"
    & skf18("1","7","1","4","7","7","1") = "6"
    & skf18("1","7","1","4","7","8","1") = "7"
    & skf18("1","7","1","4","7","9","1") = "8"
    & skf18("1","7","1","4","7","10","1") = "9"
    & skf18("1","7","1","4","8","1","1") = "7"
    & skf18("1","7","1","4","8","2","1") = "7"
    & skf18("1","7","1","4","8","3","1") = "7"
    & skf18("1","7","1","4","8","4","1") = "7"
    & skf18("1","7","1","4","8","5","1") = "7"
    & skf18("1","7","1","4","8","6","1") = "7"
    & skf18("1","7","1","4","8","7","1") = "7"
    & skf18("1","7","1","4","8","8","1") = "7"
    & skf18("1","7","1","4","8","9","1") = "8"
    & skf18("1","7","1","4","8","10","1") = "9"
    & skf18("1","7","1","4","9","1","1") = "8"
    & skf18("1","7","1","4","9","2","1") = "8"
    & skf18("1","7","1","4","9","3","1") = "8"
    & skf18("1","7","1","4","9","4","1") = "8"
    & skf18("1","7","1","4","9","5","1") = "8"
    & skf18("1","7","1","4","9","6","1") = "8"
    & skf18("1","7","1","4","9","7","1") = "8"
    & skf18("1","7","1","4","9","8","1") = "8"
    & skf18("1","7","1","4","9","9","1") = "8"
    & skf18("1","7","1","4","9","10","1") = "9"
    & skf18("1","7","1","4","10","1","1") = "9"
    & skf18("1","7","1","4","10","2","1") = "9"
    & skf18("1","7","1","4","10","3","1") = "9"
    & skf18("1","7","1","4","10","4","1") = "9"
    & skf18("1","7","1","4","10","5","1") = "9"
    & skf18("1","7","1","4","10","6","1") = "9"
    & skf18("1","7","1","4","10","7","1") = "9"
    & skf18("1","7","1","4","10","8","1") = "9"
    & skf18("1","7","1","4","10","9","1") = "9"
    & skf18("1","7","1","4","10","10","1") = "9"
    & skf18("1","7","1","5","1","1","1") = "6"
    & skf18("1","7","1","5","1","2","1") = "6"
    & skf18("1","7","1","5","1","3","1") = "6"
    & skf18("1","7","1","5","1","4","1") = "6"
    & skf18("1","7","1","5","1","5","1") = "6"
    & skf18("1","7","1","5","1","6","1") = "6"
    & skf18("1","7","1","5","1","7","1") = "6"
    & skf18("1","7","1","5","1","8","1") = "7"
    & skf18("1","7","1","5","1","9","1") = "8"
    & skf18("1","7","1","5","1","10","1") = "9"
    & skf18("1","7","1","5","2","1","1") = "6"
    & skf18("1","7","1","5","2","2","1") = "6"
    & skf18("1","7","1","5","2","3","1") = "6"
    & skf18("1","7","1","5","2","4","1") = "6"
    & skf18("1","7","1","5","2","5","1") = "6"
    & skf18("1","7","1","5","2","6","1") = "6"
    & skf18("1","7","1","5","2","7","1") = "6"
    & skf18("1","7","1","5","2","8","1") = "7"
    & skf18("1","7","1","5","2","9","1") = "8"
    & skf18("1","7","1","5","2","10","1") = "9"
    & skf18("1","7","1","5","3","1","1") = "6"
    & skf18("1","7","1","5","3","2","1") = "6"
    & skf18("1","7","1","5","3","3","1") = "6"
    & skf18("1","7","1","5","3","4","1") = "6"
    & skf18("1","7","1","5","3","5","1") = "6"
    & skf18("1","7","1","5","3","6","1") = "6"
    & skf18("1","7","1","5","3","7","1") = "6"
    & skf18("1","7","1","5","3","8","1") = "7"
    & skf18("1","7","1","5","3","9","1") = "8"
    & skf18("1","7","1","5","3","10","1") = "9"
    & skf18("1","7","1","5","4","1","1") = "6"
    & skf18("1","7","1","5","4","2","1") = "6"
    & skf18("1","7","1","5","4","3","1") = "6"
    & skf18("1","7","1","5","4","4","1") = "6"
    & skf18("1","7","1","5","4","5","1") = "6"
    & skf18("1","7","1","5","4","6","1") = "6"
    & skf18("1","7","1","5","4","7","1") = "6"
    & skf18("1","7","1","5","4","8","1") = "7"
    & skf18("1","7","1","5","4","9","1") = "8"
    & skf18("1","7","1","5","4","10","1") = "9"
    & skf18("1","7","1","5","5","1","1") = "6"
    & skf18("1","7","1","5","5","2","1") = "6"
    & skf18("1","7","1","5","5","3","1") = "6"
    & skf18("1","7","1","5","5","4","1") = "6"
    & skf18("1","7","1","5","5","5","1") = "6"
    & skf18("1","7","1","5","5","6","1") = "6"
    & skf18("1","7","1","5","5","7","1") = "6"
    & skf18("1","7","1","5","5","8","1") = "7"
    & skf18("1","7","1","5","5","9","1") = "8"
    & skf18("1","7","1","5","5","10","1") = "9"
    & skf18("1","7","1","5","6","1","1") = "6"
    & skf18("1","7","1","5","6","2","1") = "6"
    & skf18("1","7","1","5","6","3","1") = "6"
    & skf18("1","7","1","5","6","4","1") = "6"
    & skf18("1","7","1","5","6","5","1") = "6"
    & skf18("1","7","1","5","6","6","1") = "6"
    & skf18("1","7","1","5","6","7","1") = "6"
    & skf18("1","7","1","5","6","8","1") = "7"
    & skf18("1","7","1","5","6","9","1") = "8"
    & skf18("1","7","1","5","6","10","1") = "9"
    & skf18("1","7","1","5","7","1","1") = "6"
    & skf18("1","7","1","5","7","2","1") = "6"
    & skf18("1","7","1","5","7","3","1") = "6"
    & skf18("1","7","1","5","7","4","1") = "6"
    & skf18("1","7","1","5","7","5","1") = "6"
    & skf18("1","7","1","5","7","6","1") = "6"
    & skf18("1","7","1","5","7","7","1") = "6"
    & skf18("1","7","1","5","7","8","1") = "7"
    & skf18("1","7","1","5","7","9","1") = "8"
    & skf18("1","7","1","5","7","10","1") = "9"
    & skf18("1","7","1","5","8","1","1") = "7"
    & skf18("1","7","1","5","8","2","1") = "7"
    & skf18("1","7","1","5","8","3","1") = "7"
    & skf18("1","7","1","5","8","4","1") = "7"
    & skf18("1","7","1","5","8","5","1") = "7"
    & skf18("1","7","1","5","8","6","1") = "7"
    & skf18("1","7","1","5","8","7","1") = "7"
    & skf18("1","7","1","5","8","8","1") = "7"
    & skf18("1","7","1","5","8","9","1") = "8"
    & skf18("1","7","1","5","8","10","1") = "9"
    & skf18("1","7","1","5","9","1","1") = "8"
    & skf18("1","7","1","5","9","2","1") = "8"
    & skf18("1","7","1","5","9","3","1") = "8"
    & skf18("1","7","1","5","9","4","1") = "8"
    & skf18("1","7","1","5","9","5","1") = "8"
    & skf18("1","7","1","5","9","6","1") = "8"
    & skf18("1","7","1","5","9","7","1") = "8"
    & skf18("1","7","1","5","9","8","1") = "8"
    & skf18("1","7","1","5","9","9","1") = "8"
    & skf18("1","7","1","5","9","10","1") = "9"
    & skf18("1","7","1","5","10","1","1") = "9"
    & skf18("1","7","1","5","10","2","1") = "9"
    & skf18("1","7","1","5","10","3","1") = "9"
    & skf18("1","7","1","5","10","4","1") = "9"
    & skf18("1","7","1","5","10","5","1") = "9"
    & skf18("1","7","1","5","10","6","1") = "9"
    & skf18("1","7","1","5","10","7","1") = "9"
    & skf18("1","7","1","5","10","8","1") = "9"
    & skf18("1","7","1","5","10","9","1") = "9"
    & skf18("1","7","1","5","10","10","1") = "9"
    & skf18("1","7","1","6","1","1","1") = "6"
    & skf18("1","7","1","6","1","2","1") = "6"
    & skf18("1","7","1","6","1","3","1") = "6"
    & skf18("1","7","1","6","1","4","1") = "6"
    & skf18("1","7","1","6","1","5","1") = "6"
    & skf18("1","7","1","6","1","6","1") = "6"
    & skf18("1","7","1","6","1","7","1") = "6"
    & skf18("1","7","1","6","1","8","1") = "7"
    & skf18("1","7","1","6","1","9","1") = "8"
    & skf18("1","7","1","6","1","10","1") = "9"
    & skf18("1","7","1","6","2","1","1") = "6"
    & skf18("1","7","1","6","2","2","1") = "6"
    & skf18("1","7","1","6","2","3","1") = "6"
    & skf18("1","7","1","6","2","4","1") = "6"
    & skf18("1","7","1","6","2","5","1") = "6"
    & skf18("1","7","1","6","2","6","1") = "6"
    & skf18("1","7","1","6","2","7","1") = "6"
    & skf18("1","7","1","6","2","8","1") = "7"
    & skf18("1","7","1","6","2","9","1") = "8"
    & skf18("1","7","1","6","2","10","1") = "9"
    & skf18("1","7","1","6","3","1","1") = "6"
    & skf18("1","7","1","6","3","2","1") = "6"
    & skf18("1","7","1","6","3","3","1") = "6"
    & skf18("1","7","1","6","3","4","1") = "6"
    & skf18("1","7","1","6","3","5","1") = "6"
    & skf18("1","7","1","6","3","6","1") = "6"
    & skf18("1","7","1","6","3","7","1") = "6"
    & skf18("1","7","1","6","3","8","1") = "7"
    & skf18("1","7","1","6","3","9","1") = "8"
    & skf18("1","7","1","6","3","10","1") = "9"
    & skf18("1","7","1","6","4","1","1") = "6"
    & skf18("1","7","1","6","4","2","1") = "6"
    & skf18("1","7","1","6","4","3","1") = "6"
    & skf18("1","7","1","6","4","4","1") = "6"
    & skf18("1","7","1","6","4","5","1") = "6"
    & skf18("1","7","1","6","4","6","1") = "6"
    & skf18("1","7","1","6","4","7","1") = "6"
    & skf18("1","7","1","6","4","8","1") = "7"
    & skf18("1","7","1","6","4","9","1") = "8"
    & skf18("1","7","1","6","4","10","1") = "9"
    & skf18("1","7","1","6","5","1","1") = "6"
    & skf18("1","7","1","6","5","2","1") = "6"
    & skf18("1","7","1","6","5","3","1") = "6"
    & skf18("1","7","1","6","5","4","1") = "6"
    & skf18("1","7","1","6","5","5","1") = "6"
    & skf18("1","7","1","6","5","6","1") = "6"
    & skf18("1","7","1","6","5","7","1") = "6"
    & skf18("1","7","1","6","5","8","1") = "7"
    & skf18("1","7","1","6","5","9","1") = "8"
    & skf18("1","7","1","6","5","10","1") = "9"
    & skf18("1","7","1","6","6","1","1") = "6"
    & skf18("1","7","1","6","6","2","1") = "6"
    & skf18("1","7","1","6","6","3","1") = "6"
    & skf18("1","7","1","6","6","4","1") = "6"
    & skf18("1","7","1","6","6","5","1") = "6"
    & skf18("1","7","1","6","6","6","1") = "6"
    & skf18("1","7","1","6","6","7","1") = "6"
    & skf18("1","7","1","6","6","8","1") = "7"
    & skf18("1","7","1","6","6","9","1") = "8"
    & skf18("1","7","1","6","6","10","1") = "9"
    & skf18("1","7","1","6","7","1","1") = "6"
    & skf18("1","7","1","6","7","2","1") = "6"
    & skf18("1","7","1","6","7","3","1") = "6"
    & skf18("1","7","1","6","7","4","1") = "6"
    & skf18("1","7","1","6","7","5","1") = "6"
    & skf18("1","7","1","6","7","6","1") = "6"
    & skf18("1","7","1","6","7","7","1") = "6"
    & skf18("1","7","1","6","7","8","1") = "7"
    & skf18("1","7","1","6","7","9","1") = "8"
    & skf18("1","7","1","6","7","10","1") = "9"
    & skf18("1","7","1","6","8","1","1") = "7"
    & skf18("1","7","1","6","8","2","1") = "7"
    & skf18("1","7","1","6","8","3","1") = "7"
    & skf18("1","7","1","6","8","4","1") = "7"
    & skf18("1","7","1","6","8","5","1") = "7"
    & skf18("1","7","1","6","8","6","1") = "7"
    & skf18("1","7","1","6","8","7","1") = "7"
    & skf18("1","7","1","6","8","8","1") = "7"
    & skf18("1","7","1","6","8","9","1") = "8"
    & skf18("1","7","1","6","8","10","1") = "9"
    & skf18("1","7","1","6","9","1","1") = "8"
    & skf18("1","7","1","6","9","2","1") = "8"
    & skf18("1","7","1","6","9","3","1") = "8"
    & skf18("1","7","1","6","9","4","1") = "8"
    & skf18("1","7","1","6","9","5","1") = "8"
    & skf18("1","7","1","6","9","6","1") = "8"
    & skf18("1","7","1","6","9","7","1") = "8"
    & skf18("1","7","1","6","9","8","1") = "8"
    & skf18("1","7","1","6","9","9","1") = "8"
    & skf18("1","7","1","6","9","10","1") = "9"
    & skf18("1","7","1","6","10","1","1") = "9"
    & skf18("1","7","1","6","10","2","1") = "9"
    & skf18("1","7","1","6","10","3","1") = "9"
    & skf18("1","7","1","6","10","4","1") = "9"
    & skf18("1","7","1","6","10","5","1") = "9"
    & skf18("1","7","1","6","10","6","1") = "9"
    & skf18("1","7","1","6","10","7","1") = "9"
    & skf18("1","7","1","6","10","8","1") = "9"
    & skf18("1","7","1","6","10","9","1") = "9"
    & skf18("1","7","1","6","10","10","1") = "9"
    & skf18("1","7","1","7","1","1","1") = "6"
    & skf18("1","7","1","7","1","2","1") = "6"
    & skf18("1","7","1","7","1","3","1") = "6"
    & skf18("1","7","1","7","1","4","1") = "6"
    & skf18("1","7","1","7","1","5","1") = "6"
    & skf18("1","7","1","7","1","6","1") = "6"
    & skf18("1","7","1","7","1","7","1") = "6"
    & skf18("1","7","1","7","1","8","1") = "7"
    & skf18("1","7","1","7","1","9","1") = "8"
    & skf18("1","7","1","7","1","10","1") = "9"
    & skf18("1","7","1","7","2","1","1") = "6"
    & skf18("1","7","1","7","2","2","1") = "6"
    & skf18("1","7","1","7","2","3","1") = "6"
    & skf18("1","7","1","7","2","4","1") = "6"
    & skf18("1","7","1","7","2","5","1") = "6"
    & skf18("1","7","1","7","2","6","1") = "6"
    & skf18("1","7","1","7","2","7","1") = "6"
    & skf18("1","7","1","7","2","8","1") = "7"
    & skf18("1","7","1","7","2","9","1") = "8"
    & skf18("1","7","1","7","2","10","1") = "9"
    & skf18("1","7","1","7","3","1","1") = "6"
    & skf18("1","7","1","7","3","2","1") = "6"
    & skf18("1","7","1","7","3","3","1") = "6"
    & skf18("1","7","1","7","3","4","1") = "6"
    & skf18("1","7","1","7","3","5","1") = "6"
    & skf18("1","7","1","7","3","6","1") = "6"
    & skf18("1","7","1","7","3","7","1") = "6"
    & skf18("1","7","1","7","3","8","1") = "7"
    & skf18("1","7","1","7","3","9","1") = "8"
    & skf18("1","7","1","7","3","10","1") = "9"
    & skf18("1","7","1","7","4","1","1") = "6"
    & skf18("1","7","1","7","4","2","1") = "6"
    & skf18("1","7","1","7","4","3","1") = "6"
    & skf18("1","7","1","7","4","4","1") = "6"
    & skf18("1","7","1","7","4","5","1") = "6"
    & skf18("1","7","1","7","4","6","1") = "6"
    & skf18("1","7","1","7","4","7","1") = "6"
    & skf18("1","7","1","7","4","8","1") = "7"
    & skf18("1","7","1","7","4","9","1") = "8"
    & skf18("1","7","1","7","4","10","1") = "9"
    & skf18("1","7","1","7","5","1","1") = "6"
    & skf18("1","7","1","7","5","2","1") = "6"
    & skf18("1","7","1","7","5","3","1") = "6"
    & skf18("1","7","1","7","5","4","1") = "6"
    & skf18("1","7","1","7","5","5","1") = "6"
    & skf18("1","7","1","7","5","6","1") = "6"
    & skf18("1","7","1","7","5","7","1") = "6"
    & skf18("1","7","1","7","5","8","1") = "7"
    & skf18("1","7","1","7","5","9","1") = "8"
    & skf18("1","7","1","7","5","10","1") = "9"
    & skf18("1","7","1","7","6","1","1") = "6"
    & skf18("1","7","1","7","6","2","1") = "6"
    & skf18("1","7","1","7","6","3","1") = "6"
    & skf18("1","7","1","7","6","4","1") = "6"
    & skf18("1","7","1","7","6","5","1") = "6"
    & skf18("1","7","1","7","6","6","1") = "6"
    & skf18("1","7","1","7","6","7","1") = "6"
    & skf18("1","7","1","7","6","8","1") = "7"
    & skf18("1","7","1","7","6","9","1") = "8"
    & skf18("1","7","1","7","6","10","1") = "9"
    & skf18("1","7","1","7","7","1","1") = "6"
    & skf18("1","7","1","7","7","2","1") = "6"
    & skf18("1","7","1","7","7","3","1") = "6"
    & skf18("1","7","1","7","7","4","1") = "6"
    & skf18("1","7","1","7","7","5","1") = "6"
    & skf18("1","7","1","7","7","6","1") = "6"
    & skf18("1","7","1","7","7","7","1") = "6"
    & skf18("1","7","1","7","7","8","1") = "7"
    & skf18("1","7","1","7","7","9","1") = "8"
    & skf18("1","7","1","7","7","10","1") = "9"
    & skf18("1","7","1","7","8","1","1") = "7"
    & skf18("1","7","1","7","8","2","1") = "7"
    & skf18("1","7","1","7","8","3","1") = "7"
    & skf18("1","7","1","7","8","4","1") = "7"
    & skf18("1","7","1","7","8","5","1") = "7"
    & skf18("1","7","1","7","8","6","1") = "7"
    & skf18("1","7","1","7","8","7","1") = "7"
    & skf18("1","7","1","7","8","8","1") = "7"
    & skf18("1","7","1","7","8","9","1") = "8"
    & skf18("1","7","1","7","8","10","1") = "9"
    & skf18("1","7","1","7","9","1","1") = "8"
    & skf18("1","7","1","7","9","2","1") = "8"
    & skf18("1","7","1","7","9","3","1") = "8"
    & skf18("1","7","1","7","9","4","1") = "8"
    & skf18("1","7","1","7","9","5","1") = "8"
    & skf18("1","7","1","7","9","6","1") = "8"
    & skf18("1","7","1","7","9","7","1") = "8"
    & skf18("1","7","1","7","9","8","1") = "8"
    & skf18("1","7","1","7","9","9","1") = "8"
    & skf18("1","7","1","7","9","10","1") = "9"
    & skf18("1","7","1","7","10","1","1") = "9"
    & skf18("1","7","1","7","10","2","1") = "9"
    & skf18("1","7","1","7","10","3","1") = "9"
    & skf18("1","7","1","7","10","4","1") = "9"
    & skf18("1","7","1","7","10","5","1") = "9"
    & skf18("1","7","1","7","10","6","1") = "9"
    & skf18("1","7","1","7","10","7","1") = "9"
    & skf18("1","7","1","7","10","8","1") = "9"
    & skf18("1","7","1","7","10","9","1") = "9"
    & skf18("1","7","1","7","10","10","1") = "9"
    & skf18("1","7","1","8","1","1","1") = "7"
    & skf18("1","7","1","8","1","2","1") = "7"
    & skf18("1","7","1","8","1","3","1") = "7"
    & skf18("1","7","1","8","1","4","1") = "7"
    & skf18("1","7","1","8","1","5","1") = "7"
    & skf18("1","7","1","8","1","6","1") = "7"
    & skf18("1","7","1","8","1","7","1") = "7"
    & skf18("1","7","1","8","1","8","1") = "7"
    & skf18("1","7","1","8","1","9","1") = "8"
    & skf18("1","7","1","8","1","10","1") = "9"
    & skf18("1","7","1","8","2","1","1") = "7"
    & skf18("1","7","1","8","2","2","1") = "7"
    & skf18("1","7","1","8","2","3","1") = "7"
    & skf18("1","7","1","8","2","4","1") = "7"
    & skf18("1","7","1","8","2","5","1") = "7"
    & skf18("1","7","1","8","2","6","1") = "7"
    & skf18("1","7","1","8","2","7","1") = "7"
    & skf18("1","7","1","8","2","8","1") = "7"
    & skf18("1","7","1","8","2","9","1") = "8"
    & skf18("1","7","1","8","2","10","1") = "9"
    & skf18("1","7","1","8","3","1","1") = "7"
    & skf18("1","7","1","8","3","2","1") = "7"
    & skf18("1","7","1","8","3","3","1") = "7"
    & skf18("1","7","1","8","3","4","1") = "7"
    & skf18("1","7","1","8","3","5","1") = "7"
    & skf18("1","7","1","8","3","6","1") = "7"
    & skf18("1","7","1","8","3","7","1") = "7"
    & skf18("1","7","1","8","3","8","1") = "7"
    & skf18("1","7","1","8","3","9","1") = "8"
    & skf18("1","7","1","8","3","10","1") = "9"
    & skf18("1","7","1","8","4","1","1") = "7"
    & skf18("1","7","1","8","4","2","1") = "7"
    & skf18("1","7","1","8","4","3","1") = "7"
    & skf18("1","7","1","8","4","4","1") = "7"
    & skf18("1","7","1","8","4","5","1") = "7"
    & skf18("1","7","1","8","4","6","1") = "7"
    & skf18("1","7","1","8","4","7","1") = "7"
    & skf18("1","7","1","8","4","8","1") = "7"
    & skf18("1","7","1","8","4","9","1") = "8"
    & skf18("1","7","1","8","4","10","1") = "9"
    & skf18("1","7","1","8","5","1","1") = "7"
    & skf18("1","7","1","8","5","2","1") = "7"
    & skf18("1","7","1","8","5","3","1") = "7"
    & skf18("1","7","1","8","5","4","1") = "7"
    & skf18("1","7","1","8","5","5","1") = "7"
    & skf18("1","7","1","8","5","6","1") = "7"
    & skf18("1","7","1","8","5","7","1") = "7"
    & skf18("1","7","1","8","5","8","1") = "7"
    & skf18("1","7","1","8","5","9","1") = "8"
    & skf18("1","7","1","8","5","10","1") = "9"
    & skf18("1","7","1","8","6","1","1") = "7"
    & skf18("1","7","1","8","6","2","1") = "7"
    & skf18("1","7","1","8","6","3","1") = "7"
    & skf18("1","7","1","8","6","4","1") = "7"
    & skf18("1","7","1","8","6","5","1") = "7"
    & skf18("1","7","1","8","6","6","1") = "7"
    & skf18("1","7","1","8","6","7","1") = "7"
    & skf18("1","7","1","8","6","8","1") = "7"
    & skf18("1","7","1","8","6","9","1") = "8"
    & skf18("1","7","1","8","6","10","1") = "9"
    & skf18("1","7","1","8","7","1","1") = "7"
    & skf18("1","7","1","8","7","2","1") = "7"
    & skf18("1","7","1","8","7","3","1") = "7"
    & skf18("1","7","1","8","7","4","1") = "7"
    & skf18("1","7","1","8","7","5","1") = "7"
    & skf18("1","7","1","8","7","6","1") = "7"
    & skf18("1","7","1","8","7","7","1") = "7"
    & skf18("1","7","1","8","7","8","1") = "7"
    & skf18("1","7","1","8","7","9","1") = "8"
    & skf18("1","7","1","8","7","10","1") = "9"
    & skf18("1","7","1","8","8","1","1") = "7"
    & skf18("1","7","1","8","8","2","1") = "7"
    & skf18("1","7","1","8","8","3","1") = "7"
    & skf18("1","7","1","8","8","4","1") = "7"
    & skf18("1","7","1","8","8","5","1") = "7"
    & skf18("1","7","1","8","8","6","1") = "7"
    & skf18("1","7","1","8","8","7","1") = "7"
    & skf18("1","7","1","8","8","8","1") = "7"
    & skf18("1","7","1","8","8","9","1") = "8"
    & skf18("1","7","1","8","8","10","1") = "9"
    & skf18("1","7","1","8","9","1","1") = "8"
    & skf18("1","7","1","8","9","2","1") = "8"
    & skf18("1","7","1","8","9","3","1") = "8"
    & skf18("1","7","1","8","9","4","1") = "8"
    & skf18("1","7","1","8","9","5","1") = "8"
    & skf18("1","7","1","8","9","6","1") = "8"
    & skf18("1","7","1","8","9","7","1") = "8"
    & skf18("1","7","1","8","9","8","1") = "8"
    & skf18("1","7","1","8","9","9","1") = "8"
    & skf18("1","7","1","8","9","10","1") = "9"
    & skf18("1","7","1","8","10","1","1") = "9"
    & skf18("1","7","1","8","10","2","1") = "9"
    & skf18("1","7","1","8","10","3","1") = "9"
    & skf18("1","7","1","8","10","4","1") = "9"
    & skf18("1","7","1","8","10","5","1") = "9"
    & skf18("1","7","1","8","10","6","1") = "9"
    & skf18("1","7","1","8","10","7","1") = "9"
    & skf18("1","7","1","8","10","8","1") = "9"
    & skf18("1","7","1","8","10","9","1") = "9"
    & skf18("1","7","1","8","10","10","1") = "9"
    & skf18("1","7","1","9","1","1","1") = "8"
    & skf18("1","7","1","9","1","2","1") = "8"
    & skf18("1","7","1","9","1","3","1") = "8"
    & skf18("1","7","1","9","1","4","1") = "8"
    & skf18("1","7","1","9","1","5","1") = "8"
    & skf18("1","7","1","9","1","6","1") = "8"
    & skf18("1","7","1","9","1","7","1") = "8"
    & skf18("1","7","1","9","1","8","1") = "8"
    & skf18("1","7","1","9","1","9","1") = "8"
    & skf18("1","7","1","9","1","10","1") = "9"
    & skf18("1","7","1","9","2","1","1") = "8"
    & skf18("1","7","1","9","2","2","1") = "8"
    & skf18("1","7","1","9","2","3","1") = "8"
    & skf18("1","7","1","9","2","4","1") = "8"
    & skf18("1","7","1","9","2","5","1") = "8"
    & skf18("1","7","1","9","2","6","1") = "8"
    & skf18("1","7","1","9","2","7","1") = "8"
    & skf18("1","7","1","9","2","8","1") = "8"
    & skf18("1","7","1","9","2","9","1") = "8"
    & skf18("1","7","1","9","2","10","1") = "9"
    & skf18("1","7","1","9","3","1","1") = "8"
    & skf18("1","7","1","9","3","2","1") = "8"
    & skf18("1","7","1","9","3","3","1") = "8"
    & skf18("1","7","1","9","3","4","1") = "8"
    & skf18("1","7","1","9","3","5","1") = "8"
    & skf18("1","7","1","9","3","6","1") = "8"
    & skf18("1","7","1","9","3","7","1") = "8"
    & skf18("1","7","1","9","3","8","1") = "8"
    & skf18("1","7","1","9","3","9","1") = "8"
    & skf18("1","7","1","9","3","10","1") = "9"
    & skf18("1","7","1","9","4","1","1") = "8"
    & skf18("1","7","1","9","4","2","1") = "8"
    & skf18("1","7","1","9","4","3","1") = "8"
    & skf18("1","7","1","9","4","4","1") = "8"
    & skf18("1","7","1","9","4","5","1") = "8"
    & skf18("1","7","1","9","4","6","1") = "8"
    & skf18("1","7","1","9","4","7","1") = "8"
    & skf18("1","7","1","9","4","8","1") = "8"
    & skf18("1","7","1","9","4","9","1") = "8"
    & skf18("1","7","1","9","4","10","1") = "9"
    & skf18("1","7","1","9","5","1","1") = "8"
    & skf18("1","7","1","9","5","2","1") = "8"
    & skf18("1","7","1","9","5","3","1") = "8"
    & skf18("1","7","1","9","5","4","1") = "8"
    & skf18("1","7","1","9","5","5","1") = "8"
    & skf18("1","7","1","9","5","6","1") = "8"
    & skf18("1","7","1","9","5","7","1") = "8"
    & skf18("1","7","1","9","5","8","1") = "8"
    & skf18("1","7","1","9","5","9","1") = "8"
    & skf18("1","7","1","9","5","10","1") = "9"
    & skf18("1","7","1","9","6","1","1") = "8"
    & skf18("1","7","1","9","6","2","1") = "8"
    & skf18("1","7","1","9","6","3","1") = "8"
    & skf18("1","7","1","9","6","4","1") = "8"
    & skf18("1","7","1","9","6","5","1") = "8"
    & skf18("1","7","1","9","6","6","1") = "8"
    & skf18("1","7","1","9","6","7","1") = "8"
    & skf18("1","7","1","9","6","8","1") = "8"
    & skf18("1","7","1","9","6","9","1") = "8"
    & skf18("1","7","1","9","6","10","1") = "9"
    & skf18("1","7","1","9","7","1","1") = "8"
    & skf18("1","7","1","9","7","2","1") = "8"
    & skf18("1","7","1","9","7","3","1") = "8"
    & skf18("1","7","1","9","7","4","1") = "8"
    & skf18("1","7","1","9","7","5","1") = "8"
    & skf18("1","7","1","9","7","6","1") = "8"
    & skf18("1","7","1","9","7","7","1") = "8"
    & skf18("1","7","1","9","7","8","1") = "8"
    & skf18("1","7","1","9","7","9","1") = "8"
    & skf18("1","7","1","9","7","10","1") = "9"
    & skf18("1","7","1","9","8","1","1") = "8"
    & skf18("1","7","1","9","8","2","1") = "8"
    & skf18("1","7","1","9","8","3","1") = "8"
    & skf18("1","7","1","9","8","4","1") = "8"
    & skf18("1","7","1","9","8","5","1") = "8"
    & skf18("1","7","1","9","8","6","1") = "8"
    & skf18("1","7","1","9","8","7","1") = "8"
    & skf18("1","7","1","9","8","8","1") = "8"
    & skf18("1","7","1","9","8","9","1") = "8"
    & skf18("1","7","1","9","8","10","1") = "9"
    & skf18("1","7","1","9","9","1","1") = "8"
    & skf18("1","7","1","9","9","2","1") = "8"
    & skf18("1","7","1","9","9","3","1") = "8"
    & skf18("1","7","1","9","9","4","1") = "8"
    & skf18("1","7","1","9","9","5","1") = "8"
    & skf18("1","7","1","9","9","6","1") = "8"
    & skf18("1","7","1","9","9","7","1") = "8"
    & skf18("1","7","1","9","9","8","1") = "8"
    & skf18("1","7","1","9","9","9","1") = "8"
    & skf18("1","7","1","9","9","10","1") = "9"
    & skf18("1","7","1","9","10","1","1") = "9"
    & skf18("1","7","1","9","10","2","1") = "9"
    & skf18("1","7","1","9","10","3","1") = "9"
    & skf18("1","7","1","9","10","4","1") = "9"
    & skf18("1","7","1","9","10","5","1") = "9"
    & skf18("1","7","1","9","10","6","1") = "9"
    & skf18("1","7","1","9","10","7","1") = "9"
    & skf18("1","7","1","9","10","8","1") = "9"
    & skf18("1","7","1","9","10","9","1") = "9"
    & skf18("1","7","1","9","10","10","1") = "9"
    & skf18("1","7","1","10","1","1","1") = "9"
    & skf18("1","7","1","10","1","2","1") = "9"
    & skf18("1","7","1","10","1","3","1") = "9"
    & skf18("1","7","1","10","1","4","1") = "9"
    & skf18("1","7","1","10","1","5","1") = "9"
    & skf18("1","7","1","10","1","6","1") = "9"
    & skf18("1","7","1","10","1","7","1") = "9"
    & skf18("1","7","1","10","1","8","1") = "9"
    & skf18("1","7","1","10","1","9","1") = "9"
    & skf18("1","7","1","10","1","10","1") = "9"
    & skf18("1","7","1","10","2","1","1") = "9"
    & skf18("1","7","1","10","2","2","1") = "9"
    & skf18("1","7","1","10","2","3","1") = "9"
    & skf18("1","7","1","10","2","4","1") = "9"
    & skf18("1","7","1","10","2","5","1") = "9"
    & skf18("1","7","1","10","2","6","1") = "9"
    & skf18("1","7","1","10","2","7","1") = "9"
    & skf18("1","7","1","10","2","8","1") = "9"
    & skf18("1","7","1","10","2","9","1") = "9"
    & skf18("1","7","1","10","2","10","1") = "9"
    & skf18("1","7","1","10","3","1","1") = "9"
    & skf18("1","7","1","10","3","2","1") = "9"
    & skf18("1","7","1","10","3","3","1") = "9"
    & skf18("1","7","1","10","3","4","1") = "9"
    & skf18("1","7","1","10","3","5","1") = "9"
    & skf18("1","7","1","10","3","6","1") = "9"
    & skf18("1","7","1","10","3","7","1") = "9"
    & skf18("1","7","1","10","3","8","1") = "9"
    & skf18("1","7","1","10","3","9","1") = "9"
    & skf18("1","7","1","10","3","10","1") = "9"
    & skf18("1","7","1","10","4","1","1") = "9"
    & skf18("1","7","1","10","4","2","1") = "9"
    & skf18("1","7","1","10","4","3","1") = "9"
    & skf18("1","7","1","10","4","4","1") = "9"
    & skf18("1","7","1","10","4","5","1") = "9"
    & skf18("1","7","1","10","4","6","1") = "9"
    & skf18("1","7","1","10","4","7","1") = "9"
    & skf18("1","7","1","10","4","8","1") = "9"
    & skf18("1","7","1","10","4","9","1") = "9"
    & skf18("1","7","1","10","4","10","1") = "9"
    & skf18("1","7","1","10","5","1","1") = "9"
    & skf18("1","7","1","10","5","2","1") = "9"
    & skf18("1","7","1","10","5","3","1") = "9"
    & skf18("1","7","1","10","5","4","1") = "9"
    & skf18("1","7","1","10","5","5","1") = "9"
    & skf18("1","7","1","10","5","6","1") = "9"
    & skf18("1","7","1","10","5","7","1") = "9"
    & skf18("1","7","1","10","5","8","1") = "9"
    & skf18("1","7","1","10","5","9","1") = "9"
    & skf18("1","7","1","10","5","10","1") = "9"
    & skf18("1","7","1","10","6","1","1") = "9"
    & skf18("1","7","1","10","6","2","1") = "9"
    & skf18("1","7","1","10","6","3","1") = "9"
    & skf18("1","7","1","10","6","4","1") = "9"
    & skf18("1","7","1","10","6","5","1") = "9"
    & skf18("1","7","1","10","6","6","1") = "9"
    & skf18("1","7","1","10","6","7","1") = "9"
    & skf18("1","7","1","10","6","8","1") = "9"
    & skf18("1","7","1","10","6","9","1") = "9"
    & skf18("1","7","1","10","6","10","1") = "9"
    & skf18("1","7","1","10","7","1","1") = "9"
    & skf18("1","7","1","10","7","2","1") = "9"
    & skf18("1","7","1","10","7","3","1") = "9"
    & skf18("1","7","1","10","7","4","1") = "9"
    & skf18("1","7","1","10","7","5","1") = "9"
    & skf18("1","7","1","10","7","6","1") = "9"
    & skf18("1","7","1","10","7","7","1") = "9"
    & skf18("1","7","1","10","7","8","1") = "9"
    & skf18("1","7","1","10","7","9","1") = "9"
    & skf18("1","7","1","10","7","10","1") = "9"
    & skf18("1","7","1","10","8","1","1") = "9"
    & skf18("1","7","1","10","8","2","1") = "9"
    & skf18("1","7","1","10","8","3","1") = "9"
    & skf18("1","7","1","10","8","4","1") = "9"
    & skf18("1","7","1","10","8","5","1") = "9"
    & skf18("1","7","1","10","8","6","1") = "9"
    & skf18("1","7","1","10","8","7","1") = "9"
    & skf18("1","7","1","10","8","8","1") = "9"
    & skf18("1","7","1","10","8","9","1") = "9"
    & skf18("1","7","1","10","8","10","1") = "9"
    & skf18("1","7","1","10","9","1","1") = "9"
    & skf18("1","7","1","10","9","2","1") = "9"
    & skf18("1","7","1","10","9","3","1") = "9"
    & skf18("1","7","1","10","9","4","1") = "9"
    & skf18("1","7","1","10","9","5","1") = "9"
    & skf18("1","7","1","10","9","6","1") = "9"
    & skf18("1","7","1","10","9","7","1") = "9"
    & skf18("1","7","1","10","9","8","1") = "9"
    & skf18("1","7","1","10","9","9","1") = "9"
    & skf18("1","7","1","10","9","10","1") = "9"
    & skf18("1","7","1","10","10","1","1") = "9"
    & skf18("1","7","1","10","10","2","1") = "9"
    & skf18("1","7","1","10","10","3","1") = "9"
    & skf18("1","7","1","10","10","4","1") = "9"
    & skf18("1","7","1","10","10","5","1") = "9"
    & skf18("1","7","1","10","10","6","1") = "9"
    & skf18("1","7","1","10","10","7","1") = "9"
    & skf18("1","7","1","10","10","8","1") = "9"
    & skf18("1","7","1","10","10","9","1") = "9"
    & skf18("1","7","1","10","10","10","1") = "9"
    & skf18("1","7","2","1","1","1","1") = "6"
    & skf18("1","7","2","1","1","2","1") = "6"
    & skf18("1","7","2","1","1","3","1") = "6"
    & skf18("1","7","2","1","1","4","1") = "6"
    & skf18("1","7","2","1","1","5","1") = "6"
    & skf18("1","7","2","1","1","6","1") = "6"
    & skf18("1","7","2","1","1","7","1") = "6"
    & skf18("1","7","2","1","1","8","1") = "7"
    & skf18("1","7","2","1","1","9","1") = "8"
    & skf18("1","7","2","1","1","10","1") = "9"
    & skf18("1","7","2","1","2","1","1") = "6"
    & skf18("1","7","2","1","2","2","1") = "6"
    & skf18("1","7","2","1","2","3","1") = "6"
    & skf18("1","7","2","1","2","4","1") = "6"
    & skf18("1","7","2","1","2","5","1") = "6"
    & skf18("1","7","2","1","2","6","1") = "6"
    & skf18("1","7","2","1","2","7","1") = "6"
    & skf18("1","7","2","1","2","8","1") = "7"
    & skf18("1","7","2","1","2","9","1") = "8"
    & skf18("1","7","2","1","2","10","1") = "9"
    & skf18("1","7","2","1","3","1","1") = "6"
    & skf18("1","7","2","1","3","2","1") = "6"
    & skf18("1","7","2","1","3","3","1") = "6"
    & skf18("1","7","2","1","3","4","1") = "6"
    & skf18("1","7","2","1","3","5","1") = "6"
    & skf18("1","7","2","1","3","6","1") = "6"
    & skf18("1","7","2","1","3","7","1") = "6"
    & skf18("1","7","2","1","3","8","1") = "7"
    & skf18("1","7","2","1","3","9","1") = "8"
    & skf18("1","7","2","1","3","10","1") = "9"
    & skf18("1","7","2","1","4","1","1") = "6"
    & skf18("1","7","2","1","4","2","1") = "6"
    & skf18("1","7","2","1","4","3","1") = "6"
    & skf18("1","7","2","1","4","4","1") = "6"
    & skf18("1","7","2","1","4","5","1") = "6"
    & skf18("1","7","2","1","4","6","1") = "6"
    & skf18("1","7","2","1","4","7","1") = "6"
    & skf18("1","7","2","1","4","8","1") = "7"
    & skf18("1","7","2","1","4","9","1") = "8"
    & skf18("1","7","2","1","4","10","1") = "9"
    & skf18("1","7","2","1","5","1","1") = "6"
    & skf18("1","7","2","1","5","2","1") = "6"
    & skf18("1","7","2","1","5","3","1") = "6"
    & skf18("1","7","2","1","5","4","1") = "6"
    & skf18("1","7","2","1","5","5","1") = "6"
    & skf18("1","7","2","1","5","6","1") = "6"
    & skf18("1","7","2","1","5","7","1") = "6"
    & skf18("1","7","2","1","5","8","1") = "7"
    & skf18("1","7","2","1","5","9","1") = "8"
    & skf18("1","7","2","1","5","10","1") = "9"
    & skf18("1","7","2","1","6","1","1") = "6"
    & skf18("1","7","2","1","6","2","1") = "6"
    & skf18("1","7","2","1","6","3","1") = "6"
    & skf18("1","7","2","1","6","4","1") = "6"
    & skf18("1","7","2","1","6","5","1") = "6"
    & skf18("1","7","2","1","6","6","1") = "6"
    & skf18("1","7","2","1","6","7","1") = "6"
    & skf18("1","7","2","1","6","8","1") = "7"
    & skf18("1","7","2","1","6","9","1") = "8"
    & skf18("1","7","2","1","6","10","1") = "9"
    & skf18("1","7","2","1","7","1","1") = "6"
    & skf18("1","7","2","1","7","2","1") = "6"
    & skf18("1","7","2","1","7","3","1") = "6"
    & skf18("1","7","2","1","7","4","1") = "6"
    & skf18("1","7","2","1","7","5","1") = "6"
    & skf18("1","7","2","1","7","6","1") = "6"
    & skf18("1","7","2","1","7","7","1") = "6"
    & skf18("1","7","2","1","7","8","1") = "7"
    & skf18("1","7","2","1","7","9","1") = "8"
    & skf18("1","7","2","1","7","10","1") = "9"
    & skf18("1","7","2","1","8","1","1") = "7"
    & skf18("1","7","2","1","8","2","1") = "7"
    & skf18("1","7","2","1","8","3","1") = "7"
    & skf18("1","7","2","1","8","4","1") = "7"
    & skf18("1","7","2","1","8","5","1") = "7"
    & skf18("1","7","2","1","8","6","1") = "7"
    & skf18("1","7","2","1","8","7","1") = "7"
    & skf18("1","7","2","1","8","8","1") = "7"
    & skf18("1","7","2","1","8","9","1") = "8"
    & skf18("1","7","2","1","8","10","1") = "9"
    & skf18("1","7","2","1","9","1","1") = "8"
    & skf18("1","7","2","1","9","2","1") = "8"
    & skf18("1","7","2","1","9","3","1") = "8"
    & skf18("1","7","2","1","9","4","1") = "8"
    & skf18("1","7","2","1","9","5","1") = "8"
    & skf18("1","7","2","1","9","6","1") = "8"
    & skf18("1","7","2","1","9","7","1") = "8"
    & skf18("1","7","2","1","9","8","1") = "8"
    & skf18("1","7","2","1","9","9","1") = "8"
    & skf18("1","7","2","1","9","10","1") = "9"
    & skf18("1","7","2","1","10","1","1") = "9"
    & skf18("1","7","2","1","10","2","1") = "9"
    & skf18("1","7","2","1","10","3","1") = "9"
    & skf18("1","7","2","1","10","4","1") = "9"
    & skf18("1","7","2","1","10","5","1") = "9"
    & skf18("1","7","2","1","10","6","1") = "9"
    & skf18("1","7","2","1","10","7","1") = "9"
    & skf18("1","7","2","1","10","8","1") = "9"
    & skf18("1","7","2","1","10","9","1") = "9"
    & skf18("1","7","2","1","10","10","1") = "9"
    & skf18("1","7","2","2","1","1","1") = "6"
    & skf18("1","7","2","2","1","2","1") = "6"
    & skf18("1","7","2","2","1","3","1") = "6"
    & skf18("1","7","2","2","1","4","1") = "6"
    & skf18("1","7","2","2","1","5","1") = "6"
    & skf18("1","7","2","2","1","6","1") = "6"
    & skf18("1","7","2","2","1","7","1") = "6"
    & skf18("1","7","2","2","1","8","1") = "7"
    & skf18("1","7","2","2","1","9","1") = "8"
    & skf18("1","7","2","2","1","10","1") = "9"
    & skf18("1","7","2","2","2","1","1") = "6"
    & skf18("1","7","2","2","2","2","1") = "6"
    & skf18("1","7","2","2","2","3","1") = "6"
    & skf18("1","7","2","2","2","4","1") = "6"
    & skf18("1","7","2","2","2","5","1") = "6"
    & skf18("1","7","2","2","2","6","1") = "6"
    & skf18("1","7","2","2","2","7","1") = "6"
    & skf18("1","7","2","2","2","8","1") = "7"
    & skf18("1","7","2","2","2","9","1") = "8"
    & skf18("1","7","2","2","2","10","1") = "9"
    & skf18("1","7","2","2","3","1","1") = "6"
    & skf18("1","7","2","2","3","2","1") = "6"
    & skf18("1","7","2","2","3","3","1") = "6"
    & skf18("1","7","2","2","3","4","1") = "6"
    & skf18("1","7","2","2","3","5","1") = "6"
    & skf18("1","7","2","2","3","6","1") = "6"
    & skf18("1","7","2","2","3","7","1") = "6"
    & skf18("1","7","2","2","3","8","1") = "7"
    & skf18("1","7","2","2","3","9","1") = "8"
    & skf18("1","7","2","2","3","10","1") = "9"
    & skf18("1","7","2","2","4","1","1") = "6"
    & skf18("1","7","2","2","4","2","1") = "6"
    & skf18("1","7","2","2","4","3","1") = "6"
    & skf18("1","7","2","2","4","4","1") = "6"
    & skf18("1","7","2","2","4","5","1") = "6"
    & skf18("1","7","2","2","4","6","1") = "6"
    & skf18("1","7","2","2","4","7","1") = "6"
    & skf18("1","7","2","2","4","8","1") = "7"
    & skf18("1","7","2","2","4","9","1") = "8"
    & skf18("1","7","2","2","4","10","1") = "9"
    & skf18("1","7","2","2","5","1","1") = "6"
    & skf18("1","7","2","2","5","2","1") = "6"
    & skf18("1","7","2","2","5","3","1") = "6"
    & skf18("1","7","2","2","5","4","1") = "6"
    & skf18("1","7","2","2","5","5","1") = "6"
    & skf18("1","7","2","2","5","6","1") = "6"
    & skf18("1","7","2","2","5","7","1") = "6"
    & skf18("1","7","2","2","5","8","1") = "7"
    & skf18("1","7","2","2","5","9","1") = "8"
    & skf18("1","7","2","2","5","10","1") = "9"
    & skf18("1","7","2","2","6","1","1") = "6"
    & skf18("1","7","2","2","6","2","1") = "6"
    & skf18("1","7","2","2","6","3","1") = "6"
    & skf18("1","7","2","2","6","4","1") = "6"
    & skf18("1","7","2","2","6","5","1") = "6"
    & skf18("1","7","2","2","6","6","1") = "6"
    & skf18("1","7","2","2","6","7","1") = "6"
    & skf18("1","7","2","2","6","8","1") = "7"
    & skf18("1","7","2","2","6","9","1") = "8"
    & skf18("1","7","2","2","6","10","1") = "9"
    & skf18("1","7","2","2","7","1","1") = "6"
    & skf18("1","7","2","2","7","2","1") = "6"
    & skf18("1","7","2","2","7","3","1") = "6"
    & skf18("1","7","2","2","7","4","1") = "6"
    & skf18("1","7","2","2","7","5","1") = "6"
    & skf18("1","7","2","2","7","6","1") = "6"
    & skf18("1","7","2","2","7","7","1") = "6"
    & skf18("1","7","2","2","7","8","1") = "7"
    & skf18("1","7","2","2","7","9","1") = "8"
    & skf18("1","7","2","2","7","10","1") = "9"
    & skf18("1","7","2","2","8","1","1") = "7"
    & skf18("1","7","2","2","8","2","1") = "7"
    & skf18("1","7","2","2","8","3","1") = "7"
    & skf18("1","7","2","2","8","4","1") = "7"
    & skf18("1","7","2","2","8","5","1") = "7"
    & skf18("1","7","2","2","8","6","1") = "7"
    & skf18("1","7","2","2","8","7","1") = "7"
    & skf18("1","7","2","2","8","8","1") = "7"
    & skf18("1","7","2","2","8","9","1") = "8"
    & skf18("1","7","2","2","8","10","1") = "9"
    & skf18("1","7","2","2","9","1","1") = "8"
    & skf18("1","7","2","2","9","2","1") = "8"
    & skf18("1","7","2","2","9","3","1") = "8"
    & skf18("1","7","2","2","9","4","1") = "8"
    & skf18("1","7","2","2","9","5","1") = "8"
    & skf18("1","7","2","2","9","6","1") = "8"
    & skf18("1","7","2","2","9","7","1") = "8"
    & skf18("1","7","2","2","9","8","1") = "8"
    & skf18("1","7","2","2","9","9","1") = "8"
    & skf18("1","7","2","2","9","10","1") = "9"
    & skf18("1","7","2","2","10","1","1") = "9"
    & skf18("1","7","2","2","10","2","1") = "9"
    & skf18("1","7","2","2","10","3","1") = "9"
    & skf18("1","7","2","2","10","4","1") = "9"
    & skf18("1","7","2","2","10","5","1") = "9"
    & skf18("1","7","2","2","10","6","1") = "9"
    & skf18("1","7","2","2","10","7","1") = "9"
    & skf18("1","7","2","2","10","8","1") = "9"
    & skf18("1","7","2","2","10","9","1") = "9"
    & skf18("1","7","2","2","10","10","1") = "9"
    & skf18("1","7","2","3","1","1","1") = "6"
    & skf18("1","7","2","3","1","2","1") = "6"
    & skf18("1","7","2","3","1","3","1") = "6"
    & skf18("1","7","2","3","1","4","1") = "6"
    & skf18("1","7","2","3","1","5","1") = "6"
    & skf18("1","7","2","3","1","6","1") = "6"
    & skf18("1","7","2","3","1","7","1") = "6"
    & skf18("1","7","2","3","1","8","1") = "7"
    & skf18("1","7","2","3","1","9","1") = "8"
    & skf18("1","7","2","3","1","10","1") = "9"
    & skf18("1","7","2","3","2","1","1") = "6"
    & skf18("1","7","2","3","2","2","1") = "6"
    & skf18("1","7","2","3","2","3","1") = "6"
    & skf18("1","7","2","3","2","4","1") = "6"
    & skf18("1","7","2","3","2","5","1") = "6"
    & skf18("1","7","2","3","2","6","1") = "6"
    & skf18("1","7","2","3","2","7","1") = "6"
    & skf18("1","7","2","3","2","8","1") = "7"
    & skf18("1","7","2","3","2","9","1") = "8"
    & skf18("1","7","2","3","2","10","1") = "9"
    & skf18("1","7","2","3","3","1","1") = "6"
    & skf18("1","7","2","3","3","2","1") = "6"
    & skf18("1","7","2","3","3","3","1") = "6"
    & skf18("1","7","2","3","3","4","1") = "6"
    & skf18("1","7","2","3","3","5","1") = "6"
    & skf18("1","7","2","3","3","6","1") = "6"
    & skf18("1","7","2","3","3","7","1") = "6"
    & skf18("1","7","2","3","3","8","1") = "7"
    & skf18("1","7","2","3","3","9","1") = "8"
    & skf18("1","7","2","3","3","10","1") = "9"
    & skf18("1","7","2","3","4","1","1") = "6"
    & skf18("1","7","2","3","4","2","1") = "6"
    & skf18("1","7","2","3","4","3","1") = "6"
    & skf18("1","7","2","3","4","4","1") = "6"
    & skf18("1","7","2","3","4","5","1") = "6"
    & skf18("1","7","2","3","4","6","1") = "6"
    & skf18("1","7","2","3","4","7","1") = "6"
    & skf18("1","7","2","3","4","8","1") = "7"
    & skf18("1","7","2","3","4","9","1") = "8"
    & skf18("1","7","2","3","4","10","1") = "9"
    & skf18("1","7","2","3","5","1","1") = "6"
    & skf18("1","7","2","3","5","2","1") = "6"
    & skf18("1","7","2","3","5","3","1") = "6"
    & skf18("1","7","2","3","5","4","1") = "6"
    & skf18("1","7","2","3","5","5","1") = "6"
    & skf18("1","7","2","3","5","6","1") = "6"
    & skf18("1","7","2","3","5","7","1") = "6"
    & skf18("1","7","2","3","5","8","1") = "7"
    & skf18("1","7","2","3","5","9","1") = "8"
    & skf18("1","7","2","3","5","10","1") = "9"
    & skf18("1","7","2","3","6","1","1") = "6"
    & skf18("1","7","2","3","6","2","1") = "6"
    & skf18("1","7","2","3","6","3","1") = "6"
    & skf18("1","7","2","3","6","4","1") = "6"
    & skf18("1","7","2","3","6","5","1") = "6"
    & skf18("1","7","2","3","6","6","1") = "6"
    & skf18("1","7","2","3","6","7","1") = "6"
    & skf18("1","7","2","3","6","8","1") = "7"
    & skf18("1","7","2","3","6","9","1") = "8"
    & skf18("1","7","2","3","6","10","1") = "9"
    & skf18("1","7","2","3","7","1","1") = "6"
    & skf18("1","7","2","3","7","2","1") = "6"
    & skf18("1","7","2","3","7","3","1") = "6"
    & skf18("1","7","2","3","7","4","1") = "6"
    & skf18("1","7","2","3","7","5","1") = "6"
    & skf18("1","7","2","3","7","6","1") = "6"
    & skf18("1","7","2","3","7","7","1") = "6"
    & skf18("1","7","2","3","7","8","1") = "7"
    & skf18("1","7","2","3","7","9","1") = "8"
    & skf18("1","7","2","3","7","10","1") = "9"
    & skf18("1","7","2","3","8","1","1") = "7"
    & skf18("1","7","2","3","8","2","1") = "7"
    & skf18("1","7","2","3","8","3","1") = "7"
    & skf18("1","7","2","3","8","4","1") = "7"
    & skf18("1","7","2","3","8","5","1") = "7"
    & skf18("1","7","2","3","8","6","1") = "7"
    & skf18("1","7","2","3","8","7","1") = "7"
    & skf18("1","7","2","3","8","8","1") = "7"
    & skf18("1","7","2","3","8","9","1") = "8"
    & skf18("1","7","2","3","8","10","1") = "9"
    & skf18("1","7","2","3","9","1","1") = "8"
    & skf18("1","7","2","3","9","2","1") = "8"
    & skf18("1","7","2","3","9","3","1") = "8"
    & skf18("1","7","2","3","9","4","1") = "8"
    & skf18("1","7","2","3","9","5","1") = "8"
    & skf18("1","7","2","3","9","6","1") = "8"
    & skf18("1","7","2","3","9","7","1") = "8"
    & skf18("1","7","2","3","9","8","1") = "8"
    & skf18("1","7","2","3","9","9","1") = "8"
    & skf18("1","7","2","3","9","10","1") = "9"
    & skf18("1","7","2","3","10","1","1") = "9"
    & skf18("1","7","2","3","10","2","1") = "9"
    & skf18("1","7","2","3","10","3","1") = "9"
    & skf18("1","7","2","3","10","4","1") = "9"
    & skf18("1","7","2","3","10","5","1") = "9"
    & skf18("1","7","2","3","10","6","1") = "9"
    & skf18("1","7","2","3","10","7","1") = "9"
    & skf18("1","7","2","3","10","8","1") = "9"
    & skf18("1","7","2","3","10","9","1") = "9"
    & skf18("1","7","2","3","10","10","1") = "9"
    & skf18("1","7","2","4","1","1","1") = "6"
    & skf18("1","7","2","4","1","2","1") = "6"
    & skf18("1","7","2","4","1","3","1") = "6"
    & skf18("1","7","2","4","1","4","1") = "6"
    & skf18("1","7","2","4","1","5","1") = "6"
    & skf18("1","7","2","4","1","6","1") = "6"
    & skf18("1","7","2","4","1","7","1") = "6"
    & skf18("1","7","2","4","1","8","1") = "7"
    & skf18("1","7","2","4","1","9","1") = "8"
    & skf18("1","7","2","4","1","10","1") = "9"
    & skf18("1","7","2","4","2","1","1") = "6"
    & skf18("1","7","2","4","2","2","1") = "6"
    & skf18("1","7","2","4","2","3","1") = "6"
    & skf18("1","7","2","4","2","4","1") = "6"
    & skf18("1","7","2","4","2","5","1") = "6"
    & skf18("1","7","2","4","2","6","1") = "6"
    & skf18("1","7","2","4","2","7","1") = "6"
    & skf18("1","7","2","4","2","8","1") = "7"
    & skf18("1","7","2","4","2","9","1") = "8"
    & skf18("1","7","2","4","2","10","1") = "9"
    & skf18("1","7","2","4","3","1","1") = "6"
    & skf18("1","7","2","4","3","2","1") = "6"
    & skf18("1","7","2","4","3","3","1") = "6"
    & skf18("1","7","2","4","3","4","1") = "6"
    & skf18("1","7","2","4","3","5","1") = "6"
    & skf18("1","7","2","4","3","6","1") = "6"
    & skf18("1","7","2","4","3","7","1") = "6"
    & skf18("1","7","2","4","3","8","1") = "7"
    & skf18("1","7","2","4","3","9","1") = "8"
    & skf18("1","7","2","4","3","10","1") = "9"
    & skf18("1","7","2","4","4","1","1") = "6"
    & skf18("1","7","2","4","4","2","1") = "6"
    & skf18("1","7","2","4","4","3","1") = "6"
    & skf18("1","7","2","4","4","4","1") = "6"
    & skf18("1","7","2","4","4","5","1") = "6"
    & skf18("1","7","2","4","4","6","1") = "6"
    & skf18("1","7","2","4","4","7","1") = "6"
    & skf18("1","7","2","4","4","8","1") = "7"
    & skf18("1","7","2","4","4","9","1") = "8"
    & skf18("1","7","2","4","4","10","1") = "9"
    & skf18("1","7","2","4","5","1","1") = "6"
    & skf18("1","7","2","4","5","2","1") = "6"
    & skf18("1","7","2","4","5","3","1") = "6"
    & skf18("1","7","2","4","5","4","1") = "6"
    & skf18("1","7","2","4","5","5","1") = "6"
    & skf18("1","7","2","4","5","6","1") = "6"
    & skf18("1","7","2","4","5","7","1") = "6"
    & skf18("1","7","2","4","5","8","1") = "7"
    & skf18("1","7","2","4","5","9","1") = "8"
    & skf18("1","7","2","4","5","10","1") = "9"
    & skf18("1","7","2","4","6","1","1") = "6"
    & skf18("1","7","2","4","6","2","1") = "6"
    & skf18("1","7","2","4","6","3","1") = "6"
    & skf18("1","7","2","4","6","4","1") = "6"
    & skf18("1","7","2","4","6","5","1") = "6"
    & skf18("1","7","2","4","6","6","1") = "6"
    & skf18("1","7","2","4","6","7","1") = "6"
    & skf18("1","7","2","4","6","8","1") = "7"
    & skf18("1","7","2","4","6","9","1") = "8"
    & skf18("1","7","2","4","6","10","1") = "9"
    & skf18("1","7","2","4","7","1","1") = "6"
    & skf18("1","7","2","4","7","2","1") = "6"
    & skf18("1","7","2","4","7","3","1") = "6"
    & skf18("1","7","2","4","7","4","1") = "6"
    & skf18("1","7","2","4","7","5","1") = "6"
    & skf18("1","7","2","4","7","6","1") = "6"
    & skf18("1","7","2","4","7","7","1") = "6"
    & skf18("1","7","2","4","7","8","1") = "7"
    & skf18("1","7","2","4","7","9","1") = "8"
    & skf18("1","7","2","4","7","10","1") = "9"
    & skf18("1","7","2","4","8","1","1") = "7"
    & skf18("1","7","2","4","8","2","1") = "7"
    & skf18("1","7","2","4","8","3","1") = "7"
    & skf18("1","7","2","4","8","4","1") = "7"
    & skf18("1","7","2","4","8","5","1") = "7"
    & skf18("1","7","2","4","8","6","1") = "7"
    & skf18("1","7","2","4","8","7","1") = "7"
    & skf18("1","7","2","4","8","8","1") = "7"
    & skf18("1","7","2","4","8","9","1") = "8"
    & skf18("1","7","2","4","8","10","1") = "9"
    & skf18("1","7","2","4","9","1","1") = "8"
    & skf18("1","7","2","4","9","2","1") = "8"
    & skf18("1","7","2","4","9","3","1") = "8"
    & skf18("1","7","2","4","9","4","1") = "8"
    & skf18("1","7","2","4","9","5","1") = "8"
    & skf18("1","7","2","4","9","6","1") = "8"
    & skf18("1","7","2","4","9","7","1") = "8"
    & skf18("1","7","2","4","9","8","1") = "8"
    & skf18("1","7","2","4","9","9","1") = "8"
    & skf18("1","7","2","4","9","10","1") = "9"
    & skf18("1","7","2","4","10","1","1") = "9"
    & skf18("1","7","2","4","10","2","1") = "9"
    & skf18("1","7","2","4","10","3","1") = "9"
    & skf18("1","7","2","4","10","4","1") = "9"
    & skf18("1","7","2","4","10","5","1") = "9"
    & skf18("1","7","2","4","10","6","1") = "9"
    & skf18("1","7","2","4","10","7","1") = "9"
    & skf18("1","7","2","4","10","8","1") = "9"
    & skf18("1","7","2","4","10","9","1") = "9"
    & skf18("1","7","2","4","10","10","1") = "9"
    & skf18("1","7","2","5","1","1","1") = "6"
    & skf18("1","7","2","5","1","2","1") = "6"
    & skf18("1","7","2","5","1","3","1") = "6"
    & skf18("1","7","2","5","1","4","1") = "6"
    & skf18("1","7","2","5","1","5","1") = "6"
    & skf18("1","7","2","5","1","6","1") = "6"
    & skf18("1","7","2","5","1","7","1") = "6"
    & skf18("1","7","2","5","1","8","1") = "7"
    & skf18("1","7","2","5","1","9","1") = "8"
    & skf18("1","7","2","5","1","10","1") = "9"
    & skf18("1","7","2","5","2","1","1") = "6"
    & skf18("1","7","2","5","2","2","1") = "6"
    & skf18("1","7","2","5","2","3","1") = "6"
    & skf18("1","7","2","5","2","4","1") = "6"
    & skf18("1","7","2","5","2","5","1") = "6"
    & skf18("1","7","2","5","2","6","1") = "6"
    & skf18("1","7","2","5","2","7","1") = "6"
    & skf18("1","7","2","5","2","8","1") = "7"
    & skf18("1","7","2","5","2","9","1") = "8"
    & skf18("1","7","2","5","2","10","1") = "9"
    & skf18("1","7","2","5","3","1","1") = "6"
    & skf18("1","7","2","5","3","2","1") = "6"
    & skf18("1","7","2","5","3","3","1") = "6"
    & skf18("1","7","2","5","3","4","1") = "6"
    & skf18("1","7","2","5","3","5","1") = "6"
    & skf18("1","7","2","5","3","6","1") = "6"
    & skf18("1","7","2","5","3","7","1") = "6"
    & skf18("1","7","2","5","3","8","1") = "7"
    & skf18("1","7","2","5","3","9","1") = "8"
    & skf18("1","7","2","5","3","10","1") = "9"
    & skf18("1","7","2","5","4","1","1") = "6"
    & skf18("1","7","2","5","4","2","1") = "6"
    & skf18("1","7","2","5","4","3","1") = "6"
    & skf18("1","7","2","5","4","4","1") = "6"
    & skf18("1","7","2","5","4","5","1") = "6"
    & skf18("1","7","2","5","4","6","1") = "6"
    & skf18("1","7","2","5","4","7","1") = "6"
    & skf18("1","7","2","5","4","8","1") = "7"
    & skf18("1","7","2","5","4","9","1") = "8"
    & skf18("1","7","2","5","4","10","1") = "9"
    & skf18("1","7","2","5","5","1","1") = "6"
    & skf18("1","7","2","5","5","2","1") = "6"
    & skf18("1","7","2","5","5","3","1") = "6"
    & skf18("1","7","2","5","5","4","1") = "6"
    & skf18("1","7","2","5","5","5","1") = "6"
    & skf18("1","7","2","5","5","6","1") = "6"
    & skf18("1","7","2","5","5","7","1") = "6"
    & skf18("1","7","2","5","5","8","1") = "7"
    & skf18("1","7","2","5","5","9","1") = "8"
    & skf18("1","7","2","5","5","10","1") = "9"
    & skf18("1","7","2","5","6","1","1") = "6"
    & skf18("1","7","2","5","6","2","1") = "6"
    & skf18("1","7","2","5","6","3","1") = "6"
    & skf18("1","7","2","5","6","4","1") = "6"
    & skf18("1","7","2","5","6","5","1") = "6"
    & skf18("1","7","2","5","6","6","1") = "6"
    & skf18("1","7","2","5","6","7","1") = "6"
    & skf18("1","7","2","5","6","8","1") = "7"
    & skf18("1","7","2","5","6","9","1") = "8"
    & skf18("1","7","2","5","6","10","1") = "9"
    & skf18("1","7","2","5","7","1","1") = "6"
    & skf18("1","7","2","5","7","2","1") = "6"
    & skf18("1","7","2","5","7","3","1") = "6"
    & skf18("1","7","2","5","7","4","1") = "6"
    & skf18("1","7","2","5","7","5","1") = "6"
    & skf18("1","7","2","5","7","6","1") = "6"
    & skf18("1","7","2","5","7","7","1") = "6"
    & skf18("1","7","2","5","7","8","1") = "7"
    & skf18("1","7","2","5","7","9","1") = "8"
    & skf18("1","7","2","5","7","10","1") = "9"
    & skf18("1","7","2","5","8","1","1") = "7"
    & skf18("1","7","2","5","8","2","1") = "7"
    & skf18("1","7","2","5","8","3","1") = "7"
    & skf18("1","7","2","5","8","4","1") = "7"
    & skf18("1","7","2","5","8","5","1") = "7"
    & skf18("1","7","2","5","8","6","1") = "7"
    & skf18("1","7","2","5","8","7","1") = "7"
    & skf18("1","7","2","5","8","8","1") = "7"
    & skf18("1","7","2","5","8","9","1") = "8"
    & skf18("1","7","2","5","8","10","1") = "9"
    & skf18("1","7","2","5","9","1","1") = "8"
    & skf18("1","7","2","5","9","2","1") = "8"
    & skf18("1","7","2","5","9","3","1") = "8"
    & skf18("1","7","2","5","9","4","1") = "8"
    & skf18("1","7","2","5","9","5","1") = "8"
    & skf18("1","7","2","5","9","6","1") = "8"
    & skf18("1","7","2","5","9","7","1") = "8"
    & skf18("1","7","2","5","9","8","1") = "8"
    & skf18("1","7","2","5","9","9","1") = "8"
    & skf18("1","7","2","5","9","10","1") = "9"
    & skf18("1","7","2","5","10","1","1") = "9"
    & skf18("1","7","2","5","10","2","1") = "9"
    & skf18("1","7","2","5","10","3","1") = "9"
    & skf18("1","7","2","5","10","4","1") = "9"
    & skf18("1","7","2","5","10","5","1") = "9"
    & skf18("1","7","2","5","10","6","1") = "9"
    & skf18("1","7","2","5","10","7","1") = "9"
    & skf18("1","7","2","5","10","8","1") = "9"
    & skf18("1","7","2","5","10","9","1") = "9"
    & skf18("1","7","2","5","10","10","1") = "9"
    & skf18("1","7","2","6","1","1","1") = "6"
    & skf18("1","7","2","6","1","2","1") = "6"
    & skf18("1","7","2","6","1","3","1") = "6"
    & skf18("1","7","2","6","1","4","1") = "6"
    & skf18("1","7","2","6","1","5","1") = "6"
    & skf18("1","7","2","6","1","6","1") = "6"
    & skf18("1","7","2","6","1","7","1") = "6"
    & skf18("1","7","2","6","1","8","1") = "7"
    & skf18("1","7","2","6","1","9","1") = "8"
    & skf18("1","7","2","6","1","10","1") = "9"
    & skf18("1","7","2","6","2","1","1") = "6"
    & skf18("1","7","2","6","2","2","1") = "6"
    & skf18("1","7","2","6","2","3","1") = "6"
    & skf18("1","7","2","6","2","4","1") = "6"
    & skf18("1","7","2","6","2","5","1") = "6"
    & skf18("1","7","2","6","2","6","1") = "6"
    & skf18("1","7","2","6","2","7","1") = "6"
    & skf18("1","7","2","6","2","8","1") = "7"
    & skf18("1","7","2","6","2","9","1") = "8"
    & skf18("1","7","2","6","2","10","1") = "9"
    & skf18("1","7","2","6","3","1","1") = "6"
    & skf18("1","7","2","6","3","2","1") = "6"
    & skf18("1","7","2","6","3","3","1") = "6"
    & skf18("1","7","2","6","3","4","1") = "6"
    & skf18("1","7","2","6","3","5","1") = "6"
    & skf18("1","7","2","6","3","6","1") = "6"
    & skf18("1","7","2","6","3","7","1") = "6"
    & skf18("1","7","2","6","3","8","1") = "7"
    & skf18("1","7","2","6","3","9","1") = "8"
    & skf18("1","7","2","6","3","10","1") = "9"
    & skf18("1","7","2","6","4","1","1") = "6"
    & skf18("1","7","2","6","4","2","1") = "6"
    & skf18("1","7","2","6","4","3","1") = "6"
    & skf18("1","7","2","6","4","4","1") = "6"
    & skf18("1","7","2","6","4","5","1") = "6"
    & skf18("1","7","2","6","4","6","1") = "6"
    & skf18("1","7","2","6","4","7","1") = "6"
    & skf18("1","7","2","6","4","8","1") = "7"
    & skf18("1","7","2","6","4","9","1") = "8"
    & skf18("1","7","2","6","4","10","1") = "9"
    & skf18("1","7","2","6","5","1","1") = "6"
    & skf18("1","7","2","6","5","2","1") = "6"
    & skf18("1","7","2","6","5","3","1") = "6"
    & skf18("1","7","2","6","5","4","1") = "6"
    & skf18("1","7","2","6","5","5","1") = "6"
    & skf18("1","7","2","6","5","6","1") = "6"
    & skf18("1","7","2","6","5","7","1") = "6"
    & skf18("1","7","2","6","5","8","1") = "7"
    & skf18("1","7","2","6","5","9","1") = "8"
    & skf18("1","7","2","6","5","10","1") = "9"
    & skf18("1","7","2","6","6","1","1") = "6"
    & skf18("1","7","2","6","6","2","1") = "6"
    & skf18("1","7","2","6","6","3","1") = "6"
    & skf18("1","7","2","6","6","4","1") = "6"
    & skf18("1","7","2","6","6","5","1") = "6"
    & skf18("1","7","2","6","6","6","1") = "6"
    & skf18("1","7","2","6","6","7","1") = "6"
    & skf18("1","7","2","6","6","8","1") = "7"
    & skf18("1","7","2","6","6","9","1") = "8"
    & skf18("1","7","2","6","6","10","1") = "9"
    & skf18("1","7","2","6","7","1","1") = "6"
    & skf18("1","7","2","6","7","2","1") = "6"
    & skf18("1","7","2","6","7","3","1") = "6"
    & skf18("1","7","2","6","7","4","1") = "6"
    & skf18("1","7","2","6","7","5","1") = "6"
    & skf18("1","7","2","6","7","6","1") = "6"
    & skf18("1","7","2","6","7","7","1") = "6"
    & skf18("1","7","2","6","7","8","1") = "7"
    & skf18("1","7","2","6","7","9","1") = "8"
    & skf18("1","7","2","6","7","10","1") = "9"
    & skf18("1","7","2","6","8","1","1") = "7"
    & skf18("1","7","2","6","8","2","1") = "7"
    & skf18("1","7","2","6","8","3","1") = "7"
    & skf18("1","7","2","6","8","4","1") = "7"
    & skf18("1","7","2","6","8","5","1") = "7"
    & skf18("1","7","2","6","8","6","1") = "7"
    & skf18("1","7","2","6","8","7","1") = "7"
    & skf18("1","7","2","6","8","8","1") = "7"
    & skf18("1","7","2","6","8","9","1") = "8"
    & skf18("1","7","2","6","8","10","1") = "9"
    & skf18("1","7","2","6","9","1","1") = "8"
    & skf18("1","7","2","6","9","2","1") = "8"
    & skf18("1","7","2","6","9","3","1") = "8"
    & skf18("1","7","2","6","9","4","1") = "8"
    & skf18("1","7","2","6","9","5","1") = "8"
    & skf18("1","7","2","6","9","6","1") = "8"
    & skf18("1","7","2","6","9","7","1") = "8"
    & skf18("1","7","2","6","9","8","1") = "8"
    & skf18("1","7","2","6","9","9","1") = "8"
    & skf18("1","7","2","6","9","10","1") = "9"
    & skf18("1","7","2","6","10","1","1") = "9"
    & skf18("1","7","2","6","10","2","1") = "9"
    & skf18("1","7","2","6","10","3","1") = "9"
    & skf18("1","7","2","6","10","4","1") = "9"
    & skf18("1","7","2","6","10","5","1") = "9"
    & skf18("1","7","2","6","10","6","1") = "9"
    & skf18("1","7","2","6","10","7","1") = "9"
    & skf18("1","7","2","6","10","8","1") = "9"
    & skf18("1","7","2","6","10","9","1") = "9"
    & skf18("1","7","2","6","10","10","1") = "9"
    & skf18("1","7","2","7","1","1","1") = "6"
    & skf18("1","7","2","7","1","2","1") = "6"
    & skf18("1","7","2","7","1","3","1") = "6"
    & skf18("1","7","2","7","1","4","1") = "6"
    & skf18("1","7","2","7","1","5","1") = "6"
    & skf18("1","7","2","7","1","6","1") = "6"
    & skf18("1","7","2","7","1","7","1") = "6"
    & skf18("1","7","2","7","1","8","1") = "7"
    & skf18("1","7","2","7","1","9","1") = "8"
    & skf18("1","7","2","7","1","10","1") = "9"
    & skf18("1","7","2","7","2","1","1") = "6"
    & skf18("1","7","2","7","2","2","1") = "6"
    & skf18("1","7","2","7","2","3","1") = "6"
    & skf18("1","7","2","7","2","4","1") = "6"
    & skf18("1","7","2","7","2","5","1") = "6"
    & skf18("1","7","2","7","2","6","1") = "6"
    & skf18("1","7","2","7","2","7","1") = "6"
    & skf18("1","7","2","7","2","8","1") = "7"
    & skf18("1","7","2","7","2","9","1") = "8"
    & skf18("1","7","2","7","2","10","1") = "9"
    & skf18("1","7","2","7","3","1","1") = "6"
    & skf18("1","7","2","7","3","2","1") = "6"
    & skf18("1","7","2","7","3","3","1") = "6"
    & skf18("1","7","2","7","3","4","1") = "6"
    & skf18("1","7","2","7","3","5","1") = "6"
    & skf18("1","7","2","7","3","6","1") = "6"
    & skf18("1","7","2","7","3","7","1") = "6"
    & skf18("1","7","2","7","3","8","1") = "7"
    & skf18("1","7","2","7","3","9","1") = "8"
    & skf18("1","7","2","7","3","10","1") = "9"
    & skf18("1","7","2","7","4","1","1") = "6"
    & skf18("1","7","2","7","4","2","1") = "6"
    & skf18("1","7","2","7","4","3","1") = "6"
    & skf18("1","7","2","7","4","4","1") = "6"
    & skf18("1","7","2","7","4","5","1") = "6"
    & skf18("1","7","2","7","4","6","1") = "6"
    & skf18("1","7","2","7","4","7","1") = "6"
    & skf18("1","7","2","7","4","8","1") = "7"
    & skf18("1","7","2","7","4","9","1") = "8"
    & skf18("1","7","2","7","4","10","1") = "9"
    & skf18("1","7","2","7","5","1","1") = "6"
    & skf18("1","7","2","7","5","2","1") = "6"
    & skf18("1","7","2","7","5","3","1") = "6"
    & skf18("1","7","2","7","5","4","1") = "6"
    & skf18("1","7","2","7","5","5","1") = "6"
    & skf18("1","7","2","7","5","6","1") = "6"
    & skf18("1","7","2","7","5","7","1") = "6"
    & skf18("1","7","2","7","5","8","1") = "7"
    & skf18("1","7","2","7","5","9","1") = "8"
    & skf18("1","7","2","7","5","10","1") = "9"
    & skf18("1","7","2","7","6","1","1") = "6"
    & skf18("1","7","2","7","6","2","1") = "6"
    & skf18("1","7","2","7","6","3","1") = "6"
    & skf18("1","7","2","7","6","4","1") = "6"
    & skf18("1","7","2","7","6","5","1") = "6"
    & skf18("1","7","2","7","6","6","1") = "6"
    & skf18("1","7","2","7","6","7","1") = "6"
    & skf18("1","7","2","7","6","8","1") = "7"
    & skf18("1","7","2","7","6","9","1") = "8"
    & skf18("1","7","2","7","6","10","1") = "9"
    & skf18("1","7","2","7","7","1","1") = "6"
    & skf18("1","7","2","7","7","2","1") = "6"
    & skf18("1","7","2","7","7","3","1") = "6"
    & skf18("1","7","2","7","7","4","1") = "6"
    & skf18("1","7","2","7","7","5","1") = "6"
    & skf18("1","7","2","7","7","6","1") = "6"
    & skf18("1","7","2","7","7","7","1") = "6"
    & skf18("1","7","2","7","7","8","1") = "7"
    & skf18("1","7","2","7","7","9","1") = "8"
    & skf18("1","7","2","7","7","10","1") = "9"
    & skf18("1","7","2","7","8","1","1") = "7"
    & skf18("1","7","2","7","8","2","1") = "7"
    & skf18("1","7","2","7","8","3","1") = "7"
    & skf18("1","7","2","7","8","4","1") = "7"
    & skf18("1","7","2","7","8","5","1") = "7"
    & skf18("1","7","2","7","8","6","1") = "7"
    & skf18("1","7","2","7","8","7","1") = "7"
    & skf18("1","7","2","7","8","8","1") = "7"
    & skf18("1","7","2","7","8","9","1") = "8"
    & skf18("1","7","2","7","8","10","1") = "9"
    & skf18("1","7","2","7","9","1","1") = "8"
    & skf18("1","7","2","7","9","2","1") = "8"
    & skf18("1","7","2","7","9","3","1") = "8"
    & skf18("1","7","2","7","9","4","1") = "8"
    & skf18("1","7","2","7","9","5","1") = "8"
    & skf18("1","7","2","7","9","6","1") = "8"
    & skf18("1","7","2","7","9","7","1") = "8"
    & skf18("1","7","2","7","9","8","1") = "8"
    & skf18("1","7","2","7","9","9","1") = "8"
    & skf18("1","7","2","7","9","10","1") = "9"
    & skf18("1","7","2","7","10","1","1") = "9"
    & skf18("1","7","2","7","10","2","1") = "9"
    & skf18("1","7","2","7","10","3","1") = "9"
    & skf18("1","7","2","7","10","4","1") = "9"
    & skf18("1","7","2","7","10","5","1") = "9"
    & skf18("1","7","2","7","10","6","1") = "9"
    & skf18("1","7","2","7","10","7","1") = "9"
    & skf18("1","7","2","7","10","8","1") = "9"
    & skf18("1","7","2","7","10","9","1") = "9"
    & skf18("1","7","2","7","10","10","1") = "9"
    & skf18("1","7","2","8","1","1","1") = "7"
    & skf18("1","7","2","8","1","2","1") = "7"
    & skf18("1","7","2","8","1","3","1") = "7"
    & skf18("1","7","2","8","1","4","1") = "7"
    & skf18("1","7","2","8","1","5","1") = "7"
    & skf18("1","7","2","8","1","6","1") = "7"
    & skf18("1","7","2","8","1","7","1") = "7"
    & skf18("1","7","2","8","1","8","1") = "7"
    & skf18("1","7","2","8","1","9","1") = "8"
    & skf18("1","7","2","8","1","10","1") = "9"
    & skf18("1","7","2","8","2","1","1") = "7"
    & skf18("1","7","2","8","2","2","1") = "7"
    & skf18("1","7","2","8","2","3","1") = "7"
    & skf18("1","7","2","8","2","4","1") = "7"
    & skf18("1","7","2","8","2","5","1") = "7"
    & skf18("1","7","2","8","2","6","1") = "7"
    & skf18("1","7","2","8","2","7","1") = "7"
    & skf18("1","7","2","8","2","8","1") = "7"
    & skf18("1","7","2","8","2","9","1") = "8"
    & skf18("1","7","2","8","2","10","1") = "9"
    & skf18("1","7","2","8","3","1","1") = "7"
    & skf18("1","7","2","8","3","2","1") = "7"
    & skf18("1","7","2","8","3","3","1") = "7"
    & skf18("1","7","2","8","3","4","1") = "7"
    & skf18("1","7","2","8","3","5","1") = "7"
    & skf18("1","7","2","8","3","6","1") = "7"
    & skf18("1","7","2","8","3","7","1") = "7"
    & skf18("1","7","2","8","3","8","1") = "7"
    & skf18("1","7","2","8","3","9","1") = "8"
    & skf18("1","7","2","8","3","10","1") = "9"
    & skf18("1","7","2","8","4","1","1") = "7"
    & skf18("1","7","2","8","4","2","1") = "7"
    & skf18("1","7","2","8","4","3","1") = "7"
    & skf18("1","7","2","8","4","4","1") = "7"
    & skf18("1","7","2","8","4","5","1") = "7"
    & skf18("1","7","2","8","4","6","1") = "7"
    & skf18("1","7","2","8","4","7","1") = "7"
    & skf18("1","7","2","8","4","8","1") = "7"
    & skf18("1","7","2","8","4","9","1") = "8"
    & skf18("1","7","2","8","4","10","1") = "9"
    & skf18("1","7","2","8","5","1","1") = "7"
    & skf18("1","7","2","8","5","2","1") = "7"
    & skf18("1","7","2","8","5","3","1") = "7"
    & skf18("1","7","2","8","5","4","1") = "7"
    & skf18("1","7","2","8","5","5","1") = "7"
    & skf18("1","7","2","8","5","6","1") = "7"
    & skf18("1","7","2","8","5","7","1") = "7"
    & skf18("1","7","2","8","5","8","1") = "7"
    & skf18("1","7","2","8","5","9","1") = "8"
    & skf18("1","7","2","8","5","10","1") = "9"
    & skf18("1","7","2","8","6","1","1") = "7"
    & skf18("1","7","2","8","6","2","1") = "7"
    & skf18("1","7","2","8","6","3","1") = "7"
    & skf18("1","7","2","8","6","4","1") = "7"
    & skf18("1","7","2","8","6","5","1") = "7"
    & skf18("1","7","2","8","6","6","1") = "7"
    & skf18("1","7","2","8","6","7","1") = "7"
    & skf18("1","7","2","8","6","8","1") = "7"
    & skf18("1","7","2","8","6","9","1") = "8"
    & skf18("1","7","2","8","6","10","1") = "9"
    & skf18("1","7","2","8","7","1","1") = "7"
    & skf18("1","7","2","8","7","2","1") = "7"
    & skf18("1","7","2","8","7","3","1") = "7"
    & skf18("1","7","2","8","7","4","1") = "7"
    & skf18("1","7","2","8","7","5","1") = "7"
    & skf18("1","7","2","8","7","6","1") = "7"
    & skf18("1","7","2","8","7","7","1") = "7"
    & skf18("1","7","2","8","7","8","1") = "7"
    & skf18("1","7","2","8","7","9","1") = "8"
    & skf18("1","7","2","8","7","10","1") = "9"
    & skf18("1","7","2","8","8","1","1") = "7"
    & skf18("1","7","2","8","8","2","1") = "7"
    & skf18("1","7","2","8","8","3","1") = "7"
    & skf18("1","7","2","8","8","4","1") = "7"
    & skf18("1","7","2","8","8","5","1") = "7"
    & skf18("1","7","2","8","8","6","1") = "7"
    & skf18("1","7","2","8","8","7","1") = "7"
    & skf18("1","7","2","8","8","8","1") = "7"
    & skf18("1","7","2","8","8","9","1") = "8"
    & skf18("1","7","2","8","8","10","1") = "9"
    & skf18("1","7","2","8","9","1","1") = "8"
    & skf18("1","7","2","8","9","2","1") = "8"
    & skf18("1","7","2","8","9","3","1") = "8"
    & skf18("1","7","2","8","9","4","1") = "8"
    & skf18("1","7","2","8","9","5","1") = "8"
    & skf18("1","7","2","8","9","6","1") = "8"
    & skf18("1","7","2","8","9","7","1") = "8"
    & skf18("1","7","2","8","9","8","1") = "8"
    & skf18("1","7","2","8","9","9","1") = "8"
    & skf18("1","7","2","8","9","10","1") = "9"
    & skf18("1","7","2","8","10","1","1") = "9"
    & skf18("1","7","2","8","10","2","1") = "9"
    & skf18("1","7","2","8","10","3","1") = "9"
    & skf18("1","7","2","8","10","4","1") = "9"
    & skf18("1","7","2","8","10","5","1") = "9"
    & skf18("1","7","2","8","10","6","1") = "9"
    & skf18("1","7","2","8","10","7","1") = "9"
    & skf18("1","7","2","8","10","8","1") = "9"
    & skf18("1","7","2","8","10","9","1") = "9"
    & skf18("1","7","2","8","10","10","1") = "9"
    & skf18("1","7","2","9","1","1","1") = "8"
    & skf18("1","7","2","9","1","2","1") = "8"
    & skf18("1","7","2","9","1","3","1") = "8"
    & skf18("1","7","2","9","1","4","1") = "8"
    & skf18("1","7","2","9","1","5","1") = "8"
    & skf18("1","7","2","9","1","6","1") = "8"
    & skf18("1","7","2","9","1","7","1") = "8"
    & skf18("1","7","2","9","1","8","1") = "8"
    & skf18("1","7","2","9","1","9","1") = "8"
    & skf18("1","7","2","9","1","10","1") = "9"
    & skf18("1","7","2","9","2","1","1") = "8"
    & skf18("1","7","2","9","2","2","1") = "8"
    & skf18("1","7","2","9","2","3","1") = "8"
    & skf18("1","7","2","9","2","4","1") = "8"
    & skf18("1","7","2","9","2","5","1") = "8"
    & skf18("1","7","2","9","2","6","1") = "8"
    & skf18("1","7","2","9","2","7","1") = "8"
    & skf18("1","7","2","9","2","8","1") = "8"
    & skf18("1","7","2","9","2","9","1") = "8"
    & skf18("1","7","2","9","2","10","1") = "9"
    & skf18("1","7","2","9","3","1","1") = "8"
    & skf18("1","7","2","9","3","2","1") = "8"
    & skf18("1","7","2","9","3","3","1") = "8"
    & skf18("1","7","2","9","3","4","1") = "8"
    & skf18("1","7","2","9","3","5","1") = "8"
    & skf18("1","7","2","9","3","6","1") = "8"
    & skf18("1","7","2","9","3","7","1") = "8"
    & skf18("1","7","2","9","3","8","1") = "8"
    & skf18("1","7","2","9","3","9","1") = "8"
    & skf18("1","7","2","9","3","10","1") = "9"
    & skf18("1","7","2","9","4","1","1") = "8"
    & skf18("1","7","2","9","4","2","1") = "8"
    & skf18("1","7","2","9","4","3","1") = "8"
    & skf18("1","7","2","9","4","4","1") = "8"
    & skf18("1","7","2","9","4","5","1") = "8"
    & skf18("1","7","2","9","4","6","1") = "8"
    & skf18("1","7","2","9","4","7","1") = "8"
    & skf18("1","7","2","9","4","8","1") = "8"
    & skf18("1","7","2","9","4","9","1") = "8"
    & skf18("1","7","2","9","4","10","1") = "9"
    & skf18("1","7","2","9","5","1","1") = "8"
    & skf18("1","7","2","9","5","2","1") = "8"
    & skf18("1","7","2","9","5","3","1") = "8"
    & skf18("1","7","2","9","5","4","1") = "8"
    & skf18("1","7","2","9","5","5","1") = "8"
    & skf18("1","7","2","9","5","6","1") = "8"
    & skf18("1","7","2","9","5","7","1") = "8"
    & skf18("1","7","2","9","5","8","1") = "8"
    & skf18("1","7","2","9","5","9","1") = "8"
    & skf18("1","7","2","9","5","10","1") = "9"
    & skf18("1","7","2","9","6","1","1") = "8"
    & skf18("1","7","2","9","6","2","1") = "8"
    & skf18("1","7","2","9","6","3","1") = "8"
    & skf18("1","7","2","9","6","4","1") = "8"
    & skf18("1","7","2","9","6","5","1") = "8"
    & skf18("1","7","2","9","6","6","1") = "8"
    & skf18("1","7","2","9","6","7","1") = "8"
    & skf18("1","7","2","9","6","8","1") = "8"
    & skf18("1","7","2","9","6","9","1") = "8"
    & skf18("1","7","2","9","6","10","1") = "9"
    & skf18("1","7","2","9","7","1","1") = "8"
    & skf18("1","7","2","9","7","2","1") = "8"
    & skf18("1","7","2","9","7","3","1") = "8"
    & skf18("1","7","2","9","7","4","1") = "8"
    & skf18("1","7","2","9","7","5","1") = "8"
    & skf18("1","7","2","9","7","6","1") = "8"
    & skf18("1","7","2","9","7","7","1") = "8"
    & skf18("1","7","2","9","7","8","1") = "8"
    & skf18("1","7","2","9","7","9","1") = "8"
    & skf18("1","7","2","9","7","10","1") = "9"
    & skf18("1","7","2","9","8","1","1") = "8"
    & skf18("1","7","2","9","8","2","1") = "8"
    & skf18("1","7","2","9","8","3","1") = "8"
    & skf18("1","7","2","9","8","4","1") = "8"
    & skf18("1","7","2","9","8","5","1") = "8"
    & skf18("1","7","2","9","8","6","1") = "8"
    & skf18("1","7","2","9","8","7","1") = "8"
    & skf18("1","7","2","9","8","8","1") = "8"
    & skf18("1","7","2","9","8","9","1") = "8"
    & skf18("1","7","2","9","8","10","1") = "9"
    & skf18("1","7","2","9","9","1","1") = "8"
    & skf18("1","7","2","9","9","2","1") = "8"
    & skf18("1","7","2","9","9","3","1") = "8"
    & skf18("1","7","2","9","9","4","1") = "8"
    & skf18("1","7","2","9","9","5","1") = "8"
    & skf18("1","7","2","9","9","6","1") = "8"
    & skf18("1","7","2","9","9","7","1") = "8"
    & skf18("1","7","2","9","9","8","1") = "8"
    & skf18("1","7","2","9","9","9","1") = "8"
    & skf18("1","7","2","9","9","10","1") = "9"
    & skf18("1","7","2","9","10","1","1") = "9"
    & skf18("1","7","2","9","10","2","1") = "9"
    & skf18("1","7","2","9","10","3","1") = "9"
    & skf18("1","7","2","9","10","4","1") = "9"
    & skf18("1","7","2","9","10","5","1") = "9"
    & skf18("1","7","2","9","10","6","1") = "9"
    & skf18("1","7","2","9","10","7","1") = "9"
    & skf18("1","7","2","9","10","8","1") = "9"
    & skf18("1","7","2","9","10","9","1") = "9"
    & skf18("1","7","2","9","10","10","1") = "9"
    & skf18("1","7","2","10","1","1","1") = "9"
    & skf18("1","7","2","10","1","2","1") = "9"
    & skf18("1","7","2","10","1","3","1") = "9"
    & skf18("1","7","2","10","1","4","1") = "9"
    & skf18("1","7","2","10","1","5","1") = "9"
    & skf18("1","7","2","10","1","6","1") = "9"
    & skf18("1","7","2","10","1","7","1") = "9"
    & skf18("1","7","2","10","1","8","1") = "9"
    & skf18("1","7","2","10","1","9","1") = "9"
    & skf18("1","7","2","10","1","10","1") = "9"
    & skf18("1","7","2","10","2","1","1") = "9"
    & skf18("1","7","2","10","2","2","1") = "9"
    & skf18("1","7","2","10","2","3","1") = "9"
    & skf18("1","7","2","10","2","4","1") = "9"
    & skf18("1","7","2","10","2","5","1") = "9"
    & skf18("1","7","2","10","2","6","1") = "9"
    & skf18("1","7","2","10","2","7","1") = "9"
    & skf18("1","7","2","10","2","8","1") = "9"
    & skf18("1","7","2","10","2","9","1") = "9"
    & skf18("1","7","2","10","2","10","1") = "9"
    & skf18("1","7","2","10","3","1","1") = "9"
    & skf18("1","7","2","10","3","2","1") = "9"
    & skf18("1","7","2","10","3","3","1") = "9"
    & skf18("1","7","2","10","3","4","1") = "9"
    & skf18("1","7","2","10","3","5","1") = "9"
    & skf18("1","7","2","10","3","6","1") = "9"
    & skf18("1","7","2","10","3","7","1") = "9"
    & skf18("1","7","2","10","3","8","1") = "9"
    & skf18("1","7","2","10","3","9","1") = "9"
    & skf18("1","7","2","10","3","10","1") = "9"
    & skf18("1","7","2","10","4","1","1") = "9"
    & skf18("1","7","2","10","4","2","1") = "9"
    & skf18("1","7","2","10","4","3","1") = "9"
    & skf18("1","7","2","10","4","4","1") = "9"
    & skf18("1","7","2","10","4","5","1") = "9"
    & skf18("1","7","2","10","4","6","1") = "9"
    & skf18("1","7","2","10","4","7","1") = "9"
    & skf18("1","7","2","10","4","8","1") = "9"
    & skf18("1","7","2","10","4","9","1") = "9"
    & skf18("1","7","2","10","4","10","1") = "9"
    & skf18("1","7","2","10","5","1","1") = "9"
    & skf18("1","7","2","10","5","2","1") = "9"
    & skf18("1","7","2","10","5","3","1") = "9"
    & skf18("1","7","2","10","5","4","1") = "9"
    & skf18("1","7","2","10","5","5","1") = "9"
    & skf18("1","7","2","10","5","6","1") = "9"
    & skf18("1","7","2","10","5","7","1") = "9"
    & skf18("1","7","2","10","5","8","1") = "9"
    & skf18("1","7","2","10","5","9","1") = "9"
    & skf18("1","7","2","10","5","10","1") = "9"
    & skf18("1","7","2","10","6","1","1") = "9"
    & skf18("1","7","2","10","6","2","1") = "9"
    & skf18("1","7","2","10","6","3","1") = "9"
    & skf18("1","7","2","10","6","4","1") = "9"
    & skf18("1","7","2","10","6","5","1") = "9"
    & skf18("1","7","2","10","6","6","1") = "9"
    & skf18("1","7","2","10","6","7","1") = "9"
    & skf18("1","7","2","10","6","8","1") = "9"
    & skf18("1","7","2","10","6","9","1") = "9"
    & skf18("1","7","2","10","6","10","1") = "9"
    & skf18("1","7","2","10","7","1","1") = "9"
    & skf18("1","7","2","10","7","2","1") = "9"
    & skf18("1","7","2","10","7","3","1") = "9"
    & skf18("1","7","2","10","7","4","1") = "9"
    & skf18("1","7","2","10","7","5","1") = "9"
    & skf18("1","7","2","10","7","6","1") = "9"
    & skf18("1","7","2","10","7","7","1") = "9"
    & skf18("1","7","2","10","7","8","1") = "9"
    & skf18("1","7","2","10","7","9","1") = "9"
    & skf18("1","7","2","10","7","10","1") = "9"
    & skf18("1","7","2","10","8","1","1") = "9"
    & skf18("1","7","2","10","8","2","1") = "9"
    & skf18("1","7","2","10","8","3","1") = "9"
    & skf18("1","7","2","10","8","4","1") = "9"
    & skf18("1","7","2","10","8","5","1") = "9"
    & skf18("1","7","2","10","8","6","1") = "9"
    & skf18("1","7","2","10","8","7","1") = "9"
    & skf18("1","7","2","10","8","8","1") = "9"
    & skf18("1","7","2","10","8","9","1") = "9"
    & skf18("1","7","2","10","8","10","1") = "9"
    & skf18("1","7","2","10","9","1","1") = "9"
    & skf18("1","7","2","10","9","2","1") = "9"
    & skf18("1","7","2","10","9","3","1") = "9"
    & skf18("1","7","2","10","9","4","1") = "9"
    & skf18("1","7","2","10","9","5","1") = "9"
    & skf18("1","7","2","10","9","6","1") = "9"
    & skf18("1","7","2","10","9","7","1") = "9"
    & skf18("1","7","2","10","9","8","1") = "9"
    & skf18("1","7","2","10","9","9","1") = "9"
    & skf18("1","7","2","10","9","10","1") = "9"
    & skf18("1","7","2","10","10","1","1") = "9"
    & skf18("1","7","2","10","10","2","1") = "9"
    & skf18("1","7","2","10","10","3","1") = "9"
    & skf18("1","7","2","10","10","4","1") = "9"
    & skf18("1","7","2","10","10","5","1") = "9"
    & skf18("1","7","2","10","10","6","1") = "9"
    & skf18("1","7","2","10","10","7","1") = "9"
    & skf18("1","7","2","10","10","8","1") = "9"
    & skf18("1","7","2","10","10","9","1") = "9"
    & skf18("1","7","2","10","10","10","1") = "9"
    & skf18("1","7","3","1","1","1","1") = "6"
    & skf18("1","7","3","1","1","2","1") = "6"
    & skf18("1","7","3","1","1","3","1") = "6"
    & skf18("1","7","3","1","1","4","1") = "6"
    & skf18("1","7","3","1","1","5","1") = "6"
    & skf18("1","7","3","1","1","6","1") = "6"
    & skf18("1","7","3","1","1","7","1") = "6"
    & skf18("1","7","3","1","1","8","1") = "7"
    & skf18("1","7","3","1","1","9","1") = "8"
    & skf18("1","7","3","1","1","10","1") = "9"
    & skf18("1","7","3","1","2","1","1") = "6"
    & skf18("1","7","3","1","2","2","1") = "6"
    & skf18("1","7","3","1","2","3","1") = "6"
    & skf18("1","7","3","1","2","4","1") = "6"
    & skf18("1","7","3","1","2","5","1") = "6"
    & skf18("1","7","3","1","2","6","1") = "6"
    & skf18("1","7","3","1","2","7","1") = "6"
    & skf18("1","7","3","1","2","8","1") = "7"
    & skf18("1","7","3","1","2","9","1") = "8"
    & skf18("1","7","3","1","2","10","1") = "9"
    & skf18("1","7","3","1","3","1","1") = "6"
    & skf18("1","7","3","1","3","2","1") = "6"
    & skf18("1","7","3","1","3","3","1") = "6"
    & skf18("1","7","3","1","3","4","1") = "6"
    & skf18("1","7","3","1","3","5","1") = "6"
    & skf18("1","7","3","1","3","6","1") = "6"
    & skf18("1","7","3","1","3","7","1") = "6"
    & skf18("1","7","3","1","3","8","1") = "7"
    & skf18("1","7","3","1","3","9","1") = "8"
    & skf18("1","7","3","1","3","10","1") = "9"
    & skf18("1","7","3","1","4","1","1") = "6"
    & skf18("1","7","3","1","4","2","1") = "6"
    & skf18("1","7","3","1","4","3","1") = "6"
    & skf18("1","7","3","1","4","4","1") = "6"
    & skf18("1","7","3","1","4","5","1") = "6"
    & skf18("1","7","3","1","4","6","1") = "6"
    & skf18("1","7","3","1","4","7","1") = "6"
    & skf18("1","7","3","1","4","8","1") = "7"
    & skf18("1","7","3","1","4","9","1") = "8"
    & skf18("1","7","3","1","4","10","1") = "9"
    & skf18("1","7","3","1","5","1","1") = "6"
    & skf18("1","7","3","1","5","2","1") = "6"
    & skf18("1","7","3","1","5","3","1") = "6"
    & skf18("1","7","3","1","5","4","1") = "6"
    & skf18("1","7","3","1","5","5","1") = "6"
    & skf18("1","7","3","1","5","6","1") = "6"
    & skf18("1","7","3","1","5","7","1") = "6"
    & skf18("1","7","3","1","5","8","1") = "7"
    & skf18("1","7","3","1","5","9","1") = "8"
    & skf18("1","7","3","1","5","10","1") = "9"
    & skf18("1","7","3","1","6","1","1") = "6"
    & skf18("1","7","3","1","6","2","1") = "6"
    & skf18("1","7","3","1","6","3","1") = "6"
    & skf18("1","7","3","1","6","4","1") = "6"
    & skf18("1","7","3","1","6","5","1") = "6"
    & skf18("1","7","3","1","6","6","1") = "6"
    & skf18("1","7","3","1","6","7","1") = "6"
    & skf18("1","7","3","1","6","8","1") = "7"
    & skf18("1","7","3","1","6","9","1") = "8"
    & skf18("1","7","3","1","6","10","1") = "9"
    & skf18("1","7","3","1","7","1","1") = "6"
    & skf18("1","7","3","1","7","2","1") = "6"
    & skf18("1","7","3","1","7","3","1") = "6"
    & skf18("1","7","3","1","7","4","1") = "6"
    & skf18("1","7","3","1","7","5","1") = "6"
    & skf18("1","7","3","1","7","6","1") = "6"
    & skf18("1","7","3","1","7","7","1") = "6"
    & skf18("1","7","3","1","7","8","1") = "7"
    & skf18("1","7","3","1","7","9","1") = "8"
    & skf18("1","7","3","1","7","10","1") = "9"
    & skf18("1","7","3","1","8","1","1") = "7"
    & skf18("1","7","3","1","8","2","1") = "7"
    & skf18("1","7","3","1","8","3","1") = "7"
    & skf18("1","7","3","1","8","4","1") = "7"
    & skf18("1","7","3","1","8","5","1") = "7"
    & skf18("1","7","3","1","8","6","1") = "7"
    & skf18("1","7","3","1","8","7","1") = "7"
    & skf18("1","7","3","1","8","8","1") = "7"
    & skf18("1","7","3","1","8","9","1") = "8"
    & skf18("1","7","3","1","8","10","1") = "9"
    & skf18("1","7","3","1","9","1","1") = "8"
    & skf18("1","7","3","1","9","2","1") = "8"
    & skf18("1","7","3","1","9","3","1") = "8"
    & skf18("1","7","3","1","9","4","1") = "8"
    & skf18("1","7","3","1","9","5","1") = "8"
    & skf18("1","7","3","1","9","6","1") = "8"
    & skf18("1","7","3","1","9","7","1") = "8"
    & skf18("1","7","3","1","9","8","1") = "8"
    & skf18("1","7","3","1","9","9","1") = "8"
    & skf18("1","7","3","1","9","10","1") = "9"
    & skf18("1","7","3","1","10","1","1") = "9"
    & skf18("1","7","3","1","10","2","1") = "9"
    & skf18("1","7","3","1","10","3","1") = "9"
    & skf18("1","7","3","1","10","4","1") = "9"
    & skf18("1","7","3","1","10","5","1") = "9"
    & skf18("1","7","3","1","10","6","1") = "9"
    & skf18("1","7","3","1","10","7","1") = "9"
    & skf18("1","7","3","1","10","8","1") = "9"
    & skf18("1","7","3","1","10","9","1") = "9"
    & skf18("1","7","3","1","10","10","1") = "9"
    & skf18("1","7","3","2","1","1","1") = "6"
    & skf18("1","7","3","2","1","2","1") = "6"
    & skf18("1","7","3","2","1","3","1") = "6"
    & skf18("1","7","3","2","1","4","1") = "6"
    & skf18("1","7","3","2","1","5","1") = "6"
    & skf18("1","7","3","2","1","6","1") = "6"
    & skf18("1","7","3","2","1","7","1") = "6"
    & skf18("1","7","3","2","1","8","1") = "7"
    & skf18("1","7","3","2","1","9","1") = "8"
    & skf18("1","7","3","2","1","10","1") = "9"
    & skf18("1","7","3","2","2","1","1") = "6"
    & skf18("1","7","3","2","2","2","1") = "6"
    & skf18("1","7","3","2","2","3","1") = "6"
    & skf18("1","7","3","2","2","4","1") = "6"
    & skf18("1","7","3","2","2","5","1") = "6"
    & skf18("1","7","3","2","2","6","1") = "6"
    & skf18("1","7","3","2","2","7","1") = "6"
    & skf18("1","7","3","2","2","8","1") = "7"
    & skf18("1","7","3","2","2","9","1") = "8"
    & skf18("1","7","3","2","2","10","1") = "9"
    & skf18("1","7","3","2","3","1","1") = "6"
    & skf18("1","7","3","2","3","2","1") = "6"
    & skf18("1","7","3","2","3","3","1") = "6"
    & skf18("1","7","3","2","3","4","1") = "6"
    & skf18("1","7","3","2","3","5","1") = "6"
    & skf18("1","7","3","2","3","6","1") = "6"
    & skf18("1","7","3","2","3","7","1") = "6"
    & skf18("1","7","3","2","3","8","1") = "7"
    & skf18("1","7","3","2","3","9","1") = "8"
    & skf18("1","7","3","2","3","10","1") = "9"
    & skf18("1","7","3","2","4","1","1") = "6"
    & skf18("1","7","3","2","4","2","1") = "6"
    & skf18("1","7","3","2","4","3","1") = "6"
    & skf18("1","7","3","2","4","4","1") = "6"
    & skf18("1","7","3","2","4","5","1") = "6"
    & skf18("1","7","3","2","4","6","1") = "6"
    & skf18("1","7","3","2","4","7","1") = "6"
    & skf18("1","7","3","2","4","8","1") = "7"
    & skf18("1","7","3","2","4","9","1") = "8"
    & skf18("1","7","3","2","4","10","1") = "9"
    & skf18("1","7","3","2","5","1","1") = "6"
    & skf18("1","7","3","2","5","2","1") = "6"
    & skf18("1","7","3","2","5","3","1") = "6"
    & skf18("1","7","3","2","5","4","1") = "6"
    & skf18("1","7","3","2","5","5","1") = "6"
    & skf18("1","7","3","2","5","6","1") = "6"
    & skf18("1","7","3","2","5","7","1") = "6"
    & skf18("1","7","3","2","5","8","1") = "7"
    & skf18("1","7","3","2","5","9","1") = "8"
    & skf18("1","7","3","2","5","10","1") = "9"
    & skf18("1","7","3","2","6","1","1") = "6"
    & skf18("1","7","3","2","6","2","1") = "6"
    & skf18("1","7","3","2","6","3","1") = "6"
    & skf18("1","7","3","2","6","4","1") = "6"
    & skf18("1","7","3","2","6","5","1") = "6"
    & skf18("1","7","3","2","6","6","1") = "6"
    & skf18("1","7","3","2","6","7","1") = "6"
    & skf18("1","7","3","2","6","8","1") = "7"
    & skf18("1","7","3","2","6","9","1") = "8"
    & skf18("1","7","3","2","6","10","1") = "9"
    & skf18("1","7","3","2","7","1","1") = "6"
    & skf18("1","7","3","2","7","2","1") = "6"
    & skf18("1","7","3","2","7","3","1") = "6"
    & skf18("1","7","3","2","7","4","1") = "6"
    & skf18("1","7","3","2","7","5","1") = "6"
    & skf18("1","7","3","2","7","6","1") = "6"
    & skf18("1","7","3","2","7","7","1") = "6"
    & skf18("1","7","3","2","7","8","1") = "7"
    & skf18("1","7","3","2","7","9","1") = "8"
    & skf18("1","7","3","2","7","10","1") = "9"
    & skf18("1","7","3","2","8","1","1") = "7"
    & skf18("1","7","3","2","8","2","1") = "7"
    & skf18("1","7","3","2","8","3","1") = "7"
    & skf18("1","7","3","2","8","4","1") = "7"
    & skf18("1","7","3","2","8","5","1") = "7"
    & skf18("1","7","3","2","8","6","1") = "7"
    & skf18("1","7","3","2","8","7","1") = "7"
    & skf18("1","7","3","2","8","8","1") = "7"
    & skf18("1","7","3","2","8","9","1") = "8"
    & skf18("1","7","3","2","8","10","1") = "9"
    & skf18("1","7","3","2","9","1","1") = "8"
    & skf18("1","7","3","2","9","2","1") = "8"
    & skf18("1","7","3","2","9","3","1") = "8"
    & skf18("1","7","3","2","9","4","1") = "8"
    & skf18("1","7","3","2","9","5","1") = "8"
    & skf18("1","7","3","2","9","6","1") = "8"
    & skf18("1","7","3","2","9","7","1") = "8"
    & skf18("1","7","3","2","9","8","1") = "8"
    & skf18("1","7","3","2","9","9","1") = "8"
    & skf18("1","7","3","2","9","10","1") = "9"
    & skf18("1","7","3","2","10","1","1") = "9"
    & skf18("1","7","3","2","10","2","1") = "9"
    & skf18("1","7","3","2","10","3","1") = "9"
    & skf18("1","7","3","2","10","4","1") = "9"
    & skf18("1","7","3","2","10","5","1") = "9"
    & skf18("1","7","3","2","10","6","1") = "9"
    & skf18("1","7","3","2","10","7","1") = "9"
    & skf18("1","7","3","2","10","8","1") = "9"
    & skf18("1","7","3","2","10","9","1") = "9"
    & skf18("1","7","3","2","10","10","1") = "9"
    & skf18("1","7","3","3","1","1","1") = "6"
    & skf18("1","7","3","3","1","2","1") = "6"
    & skf18("1","7","3","3","1","3","1") = "6"
    & skf18("1","7","3","3","1","4","1") = "6"
    & skf18("1","7","3","3","1","5","1") = "6"
    & skf18("1","7","3","3","1","6","1") = "6"
    & skf18("1","7","3","3","1","7","1") = "6"
    & skf18("1","7","3","3","1","8","1") = "7"
    & skf18("1","7","3","3","1","9","1") = "8"
    & skf18("1","7","3","3","1","10","1") = "9"
    & skf18("1","7","3","3","2","1","1") = "6"
    & skf18("1","7","3","3","2","2","1") = "6"
    & skf18("1","7","3","3","2","3","1") = "6"
    & skf18("1","7","3","3","2","4","1") = "6"
    & skf18("1","7","3","3","2","5","1") = "6"
    & skf18("1","7","3","3","2","6","1") = "6"
    & skf18("1","7","3","3","2","7","1") = "6"
    & skf18("1","7","3","3","2","8","1") = "7"
    & skf18("1","7","3","3","2","9","1") = "8"
    & skf18("1","7","3","3","2","10","1") = "9"
    & skf18("1","7","3","3","3","1","1") = "6"
    & skf18("1","7","3","3","3","2","1") = "6"
    & skf18("1","7","3","3","3","3","1") = "6"
    & skf18("1","7","3","3","3","4","1") = "6"
    & skf18("1","7","3","3","3","5","1") = "6"
    & skf18("1","7","3","3","3","6","1") = "6"
    & skf18("1","7","3","3","3","7","1") = "6"
    & skf18("1","7","3","3","3","8","1") = "7"
    & skf18("1","7","3","3","3","9","1") = "8"
    & skf18("1","7","3","3","3","10","1") = "9"
    & skf18("1","7","3","3","4","1","1") = "6"
    & skf18("1","7","3","3","4","2","1") = "6"
    & skf18("1","7","3","3","4","3","1") = "6"
    & skf18("1","7","3","3","4","4","1") = "6"
    & skf18("1","7","3","3","4","5","1") = "6"
    & skf18("1","7","3","3","4","6","1") = "6"
    & skf18("1","7","3","3","4","7","1") = "6"
    & skf18("1","7","3","3","4","8","1") = "7"
    & skf18("1","7","3","3","4","9","1") = "8"
    & skf18("1","7","3","3","4","10","1") = "9"
    & skf18("1","7","3","3","5","1","1") = "6"
    & skf18("1","7","3","3","5","2","1") = "6"
    & skf18("1","7","3","3","5","3","1") = "6"
    & skf18("1","7","3","3","5","4","1") = "6"
    & skf18("1","7","3","3","5","5","1") = "6"
    & skf18("1","7","3","3","5","6","1") = "6"
    & skf18("1","7","3","3","5","7","1") = "6"
    & skf18("1","7","3","3","5","8","1") = "7"
    & skf18("1","7","3","3","5","9","1") = "8"
    & skf18("1","7","3","3","5","10","1") = "9"
    & skf18("1","7","3","3","6","1","1") = "6"
    & skf18("1","7","3","3","6","2","1") = "6"
    & skf18("1","7","3","3","6","3","1") = "6"
    & skf18("1","7","3","3","6","4","1") = "6"
    & skf18("1","7","3","3","6","5","1") = "6"
    & skf18("1","7","3","3","6","6","1") = "6"
    & skf18("1","7","3","3","6","7","1") = "6"
    & skf18("1","7","3","3","6","8","1") = "7"
    & skf18("1","7","3","3","6","9","1") = "8"
    & skf18("1","7","3","3","6","10","1") = "9"
    & skf18("1","7","3","3","7","1","1") = "6"
    & skf18("1","7","3","3","7","2","1") = "6"
    & skf18("1","7","3","3","7","3","1") = "6"
    & skf18("1","7","3","3","7","4","1") = "6"
    & skf18("1","7","3","3","7","5","1") = "6"
    & skf18("1","7","3","3","7","6","1") = "6"
    & skf18("1","7","3","3","7","7","1") = "6"
    & skf18("1","7","3","3","7","8","1") = "7"
    & skf18("1","7","3","3","7","9","1") = "8"
    & skf18("1","7","3","3","7","10","1") = "9"
    & skf18("1","7","3","3","8","1","1") = "7"
    & skf18("1","7","3","3","8","2","1") = "7"
    & skf18("1","7","3","3","8","3","1") = "7"
    & skf18("1","7","3","3","8","4","1") = "7"
    & skf18("1","7","3","3","8","5","1") = "7"
    & skf18("1","7","3","3","8","6","1") = "7"
    & skf18("1","7","3","3","8","7","1") = "7"
    & skf18("1","7","3","3","8","8","1") = "7"
    & skf18("1","7","3","3","8","9","1") = "8"
    & skf18("1","7","3","3","8","10","1") = "9"
    & skf18("1","7","3","3","9","1","1") = "8"
    & skf18("1","7","3","3","9","2","1") = "8"
    & skf18("1","7","3","3","9","3","1") = "8"
    & skf18("1","7","3","3","9","4","1") = "8"
    & skf18("1","7","3","3","9","5","1") = "8"
    & skf18("1","7","3","3","9","6","1") = "8"
    & skf18("1","7","3","3","9","7","1") = "8"
    & skf18("1","7","3","3","9","8","1") = "8"
    & skf18("1","7","3","3","9","9","1") = "8"
    & skf18("1","7","3","3","9","10","1") = "9"
    & skf18("1","7","3","3","10","1","1") = "9"
    & skf18("1","7","3","3","10","2","1") = "9"
    & skf18("1","7","3","3","10","3","1") = "9"
    & skf18("1","7","3","3","10","4","1") = "9"
    & skf18("1","7","3","3","10","5","1") = "9"
    & skf18("1","7","3","3","10","6","1") = "9"
    & skf18("1","7","3","3","10","7","1") = "9"
    & skf18("1","7","3","3","10","8","1") = "9"
    & skf18("1","7","3","3","10","9","1") = "9"
    & skf18("1","7","3","3","10","10","1") = "9"
    & skf18("1","7","3","4","1","1","1") = "6"
    & skf18("1","7","3","4","1","2","1") = "6"
    & skf18("1","7","3","4","1","3","1") = "6"
    & skf18("1","7","3","4","1","4","1") = "6"
    & skf18("1","7","3","4","1","5","1") = "6"
    & skf18("1","7","3","4","1","6","1") = "6"
    & skf18("1","7","3","4","1","7","1") = "6"
    & skf18("1","7","3","4","1","8","1") = "7"
    & skf18("1","7","3","4","1","9","1") = "8"
    & skf18("1","7","3","4","1","10","1") = "9"
    & skf18("1","7","3","4","2","1","1") = "6"
    & skf18("1","7","3","4","2","2","1") = "6"
    & skf18("1","7","3","4","2","3","1") = "6"
    & skf18("1","7","3","4","2","4","1") = "6"
    & skf18("1","7","3","4","2","5","1") = "6"
    & skf18("1","7","3","4","2","6","1") = "6"
    & skf18("1","7","3","4","2","7","1") = "6"
    & skf18("1","7","3","4","2","8","1") = "7"
    & skf18("1","7","3","4","2","9","1") = "8"
    & skf18("1","7","3","4","2","10","1") = "9"
    & skf18("1","7","3","4","3","1","1") = "6"
    & skf18("1","7","3","4","3","2","1") = "6"
    & skf18("1","7","3","4","3","3","1") = "6"
    & skf18("1","7","3","4","3","4","1") = "6"
    & skf18("1","7","3","4","3","5","1") = "6"
    & skf18("1","7","3","4","3","6","1") = "6"
    & skf18("1","7","3","4","3","7","1") = "6"
    & skf18("1","7","3","4","3","8","1") = "7"
    & skf18("1","7","3","4","3","9","1") = "8"
    & skf18("1","7","3","4","3","10","1") = "9"
    & skf18("1","7","3","4","4","1","1") = "6"
    & skf18("1","7","3","4","4","2","1") = "6"
    & skf18("1","7","3","4","4","3","1") = "6"
    & skf18("1","7","3","4","4","4","1") = "6"
    & skf18("1","7","3","4","4","5","1") = "6"
    & skf18("1","7","3","4","4","6","1") = "6"
    & skf18("1","7","3","4","4","7","1") = "6"
    & skf18("1","7","3","4","4","8","1") = "7"
    & skf18("1","7","3","4","4","9","1") = "8"
    & skf18("1","7","3","4","4","10","1") = "9"
    & skf18("1","7","3","4","5","1","1") = "6"
    & skf18("1","7","3","4","5","2","1") = "6"
    & skf18("1","7","3","4","5","3","1") = "6"
    & skf18("1","7","3","4","5","4","1") = "6"
    & skf18("1","7","3","4","5","5","1") = "6"
    & skf18("1","7","3","4","5","6","1") = "6"
    & skf18("1","7","3","4","5","7","1") = "6"
    & skf18("1","7","3","4","5","8","1") = "7"
    & skf18("1","7","3","4","5","9","1") = "8"
    & skf18("1","7","3","4","5","10","1") = "9"
    & skf18("1","7","3","4","6","1","1") = "6"
    & skf18("1","7","3","4","6","2","1") = "6"
    & skf18("1","7","3","4","6","3","1") = "6"
    & skf18("1","7","3","4","6","4","1") = "6"
    & skf18("1","7","3","4","6","5","1") = "6"
    & skf18("1","7","3","4","6","6","1") = "6"
    & skf18("1","7","3","4","6","7","1") = "6"
    & skf18("1","7","3","4","6","8","1") = "7"
    & skf18("1","7","3","4","6","9","1") = "8"
    & skf18("1","7","3","4","6","10","1") = "9"
    & skf18("1","7","3","4","7","1","1") = "6"
    & skf18("1","7","3","4","7","2","1") = "6"
    & skf18("1","7","3","4","7","3","1") = "6"
    & skf18("1","7","3","4","7","4","1") = "6"
    & skf18("1","7","3","4","7","5","1") = "6"
    & skf18("1","7","3","4","7","6","1") = "6"
    & skf18("1","7","3","4","7","7","1") = "6"
    & skf18("1","7","3","4","7","8","1") = "7"
    & skf18("1","7","3","4","7","9","1") = "8"
    & skf18("1","7","3","4","7","10","1") = "9"
    & skf18("1","7","3","4","8","1","1") = "7"
    & skf18("1","7","3","4","8","2","1") = "7"
    & skf18("1","7","3","4","8","3","1") = "7"
    & skf18("1","7","3","4","8","4","1") = "7"
    & skf18("1","7","3","4","8","5","1") = "7"
    & skf18("1","7","3","4","8","6","1") = "7"
    & skf18("1","7","3","4","8","7","1") = "7"
    & skf18("1","7","3","4","8","8","1") = "7"
    & skf18("1","7","3","4","8","9","1") = "8"
    & skf18("1","7","3","4","8","10","1") = "9"
    & skf18("1","7","3","4","9","1","1") = "8"
    & skf18("1","7","3","4","9","2","1") = "8"
    & skf18("1","7","3","4","9","3","1") = "8"
    & skf18("1","7","3","4","9","4","1") = "8"
    & skf18("1","7","3","4","9","5","1") = "8"
    & skf18("1","7","3","4","9","6","1") = "8"
    & skf18("1","7","3","4","9","7","1") = "8"
    & skf18("1","7","3","4","9","8","1") = "8"
    & skf18("1","7","3","4","9","9","1") = "8"
    & skf18("1","7","3","4","9","10","1") = "9"
    & skf18("1","7","3","4","10","1","1") = "9"
    & skf18("1","7","3","4","10","2","1") = "9"
    & skf18("1","7","3","4","10","3","1") = "9"
    & skf18("1","7","3","4","10","4","1") = "9"
    & skf18("1","7","3","4","10","5","1") = "9"
    & skf18("1","7","3","4","10","6","1") = "9"
    & skf18("1","7","3","4","10","7","1") = "9"
    & skf18("1","7","3","4","10","8","1") = "9"
    & skf18("1","7","3","4","10","9","1") = "9"
    & skf18("1","7","3","4","10","10","1") = "9"
    & skf18("1","7","3","5","1","1","1") = "6"
    & skf18("1","7","3","5","1","2","1") = "6"
    & skf18("1","7","3","5","1","3","1") = "6"
    & skf18("1","7","3","5","1","4","1") = "6"
    & skf18("1","7","3","5","1","5","1") = "6"
    & skf18("1","7","3","5","1","6","1") = "6"
    & skf18("1","7","3","5","1","7","1") = "6"
    & skf18("1","7","3","5","1","8","1") = "7"
    & skf18("1","7","3","5","1","9","1") = "8"
    & skf18("1","7","3","5","1","10","1") = "9"
    & skf18("1","7","3","5","2","1","1") = "6"
    & skf18("1","7","3","5","2","2","1") = "6"
    & skf18("1","7","3","5","2","3","1") = "6"
    & skf18("1","7","3","5","2","4","1") = "6"
    & skf18("1","7","3","5","2","5","1") = "6"
    & skf18("1","7","3","5","2","6","1") = "6"
    & skf18("1","7","3","5","2","7","1") = "6"
    & skf18("1","7","3","5","2","8","1") = "7"
    & skf18("1","7","3","5","2","9","1") = "8"
    & skf18("1","7","3","5","2","10","1") = "9"
    & skf18("1","7","3","5","3","1","1") = "6"
    & skf18("1","7","3","5","3","2","1") = "6"
    & skf18("1","7","3","5","3","3","1") = "6"
    & skf18("1","7","3","5","3","4","1") = "6"
    & skf18("1","7","3","5","3","5","1") = "6"
    & skf18("1","7","3","5","3","6","1") = "6"
    & skf18("1","7","3","5","3","7","1") = "6"
    & skf18("1","7","3","5","3","8","1") = "7"
    & skf18("1","7","3","5","3","9","1") = "8"
    & skf18("1","7","3","5","3","10","1") = "9"
    & skf18("1","7","3","5","4","1","1") = "6"
    & skf18("1","7","3","5","4","2","1") = "6"
    & skf18("1","7","3","5","4","3","1") = "6"
    & skf18("1","7","3","5","4","4","1") = "6"
    & skf18("1","7","3","5","4","5","1") = "6"
    & skf18("1","7","3","5","4","6","1") = "6"
    & skf18("1","7","3","5","4","7","1") = "6"
    & skf18("1","7","3","5","4","8","1") = "7"
    & skf18("1","7","3","5","4","9","1") = "8"
    & skf18("1","7","3","5","4","10","1") = "9"
    & skf18("1","7","3","5","5","1","1") = "6"
    & skf18("1","7","3","5","5","2","1") = "6"
    & skf18("1","7","3","5","5","3","1") = "6"
    & skf18("1","7","3","5","5","4","1") = "6"
    & skf18("1","7","3","5","5","5","1") = "6"
    & skf18("1","7","3","5","5","6","1") = "6"
    & skf18("1","7","3","5","5","7","1") = "6"
    & skf18("1","7","3","5","5","8","1") = "7"
    & skf18("1","7","3","5","5","9","1") = "8"
    & skf18("1","7","3","5","5","10","1") = "9"
    & skf18("1","7","3","5","6","1","1") = "6"
    & skf18("1","7","3","5","6","2","1") = "6"
    & skf18("1","7","3","5","6","3","1") = "6"
    & skf18("1","7","3","5","6","4","1") = "6"
    & skf18("1","7","3","5","6","5","1") = "6"
    & skf18("1","7","3","5","6","6","1") = "6"
    & skf18("1","7","3","5","6","7","1") = "6"
    & skf18("1","7","3","5","6","8","1") = "7"
    & skf18("1","7","3","5","6","9","1") = "8"
    & skf18("1","7","3","5","6","10","1") = "9"
    & skf18("1","7","3","5","7","1","1") = "6"
    & skf18("1","7","3","5","7","2","1") = "6"
    & skf18("1","7","3","5","7","3","1") = "6"
    & skf18("1","7","3","5","7","4","1") = "6"
    & skf18("1","7","3","5","7","5","1") = "6"
    & skf18("1","7","3","5","7","6","1") = "6"
    & skf18("1","7","3","5","7","7","1") = "6"
    & skf18("1","7","3","5","7","8","1") = "7"
    & skf18("1","7","3","5","7","9","1") = "8"
    & skf18("1","7","3","5","7","10","1") = "9"
    & skf18("1","7","3","5","8","1","1") = "7"
    & skf18("1","7","3","5","8","2","1") = "7"
    & skf18("1","7","3","5","8","3","1") = "7"
    & skf18("1","7","3","5","8","4","1") = "7"
    & skf18("1","7","3","5","8","5","1") = "7"
    & skf18("1","7","3","5","8","6","1") = "7"
    & skf18("1","7","3","5","8","7","1") = "7"
    & skf18("1","7","3","5","8","8","1") = "7"
    & skf18("1","7","3","5","8","9","1") = "8"
    & skf18("1","7","3","5","8","10","1") = "9"
    & skf18("1","7","3","5","9","1","1") = "8"
    & skf18("1","7","3","5","9","2","1") = "8"
    & skf18("1","7","3","5","9","3","1") = "8"
    & skf18("1","7","3","5","9","4","1") = "8"
    & skf18("1","7","3","5","9","5","1") = "8"
    & skf18("1","7","3","5","9","6","1") = "8"
    & skf18("1","7","3","5","9","7","1") = "8"
    & skf18("1","7","3","5","9","8","1") = "8"
    & skf18("1","7","3","5","9","9","1") = "8"
    & skf18("1","7","3","5","9","10","1") = "9"
    & skf18("1","7","3","5","10","1","1") = "9"
    & skf18("1","7","3","5","10","2","1") = "9"
    & skf18("1","7","3","5","10","3","1") = "9"
    & skf18("1","7","3","5","10","4","1") = "9"
    & skf18("1","7","3","5","10","5","1") = "9"
    & skf18("1","7","3","5","10","6","1") = "9"
    & skf18("1","7","3","5","10","7","1") = "9"
    & skf18("1","7","3","5","10","8","1") = "9"
    & skf18("1","7","3","5","10","9","1") = "9"
    & skf18("1","7","3","5","10","10","1") = "9"
    & skf18("1","7","3","6","1","1","1") = "6"
    & skf18("1","7","3","6","1","2","1") = "6"
    & skf18("1","7","3","6","1","3","1") = "6"
    & skf18("1","7","3","6","1","4","1") = "6"
    & skf18("1","7","3","6","1","5","1") = "6"
    & skf18("1","7","3","6","1","6","1") = "6"
    & skf18("1","7","3","6","1","7","1") = "6"
    & skf18("1","7","3","6","1","8","1") = "7"
    & skf18("1","7","3","6","1","9","1") = "8"
    & skf18("1","7","3","6","1","10","1") = "9"
    & skf18("1","7","3","6","2","1","1") = "6"
    & skf18("1","7","3","6","2","2","1") = "6"
    & skf18("1","7","3","6","2","3","1") = "6"
    & skf18("1","7","3","6","2","4","1") = "6"
    & skf18("1","7","3","6","2","5","1") = "6"
    & skf18("1","7","3","6","2","6","1") = "6"
    & skf18("1","7","3","6","2","7","1") = "6"
    & skf18("1","7","3","6","2","8","1") = "7"
    & skf18("1","7","3","6","2","9","1") = "8"
    & skf18("1","7","3","6","2","10","1") = "9"
    & skf18("1","7","3","6","3","1","1") = "6"
    & skf18("1","7","3","6","3","2","1") = "6"
    & skf18("1","7","3","6","3","3","1") = "6"
    & skf18("1","7","3","6","3","4","1") = "6"
    & skf18("1","7","3","6","3","5","1") = "6"
    & skf18("1","7","3","6","3","6","1") = "6"
    & skf18("1","7","3","6","3","7","1") = "6"
    & skf18("1","7","3","6","3","8","1") = "7"
    & skf18("1","7","3","6","3","9","1") = "8"
    & skf18("1","7","3","6","3","10","1") = "9"
    & skf18("1","7","3","6","4","1","1") = "6"
    & skf18("1","7","3","6","4","2","1") = "6"
    & skf18("1","7","3","6","4","3","1") = "6"
    & skf18("1","7","3","6","4","4","1") = "6"
    & skf18("1","7","3","6","4","5","1") = "6"
    & skf18("1","7","3","6","4","6","1") = "6"
    & skf18("1","7","3","6","4","7","1") = "6"
    & skf18("1","7","3","6","4","8","1") = "7"
    & skf18("1","7","3","6","4","9","1") = "8"
    & skf18("1","7","3","6","4","10","1") = "9"
    & skf18("1","7","3","6","5","1","1") = "6"
    & skf18("1","7","3","6","5","2","1") = "6"
    & skf18("1","7","3","6","5","3","1") = "6"
    & skf18("1","7","3","6","5","4","1") = "6"
    & skf18("1","7","3","6","5","5","1") = "6"
    & skf18("1","7","3","6","5","6","1") = "6"
    & skf18("1","7","3","6","5","7","1") = "6"
    & skf18("1","7","3","6","5","8","1") = "7"
    & skf18("1","7","3","6","5","9","1") = "8"
    & skf18("1","7","3","6","5","10","1") = "9"
    & skf18("1","7","3","6","6","1","1") = "6"
    & skf18("1","7","3","6","6","2","1") = "6"
    & skf18("1","7","3","6","6","3","1") = "6"
    & skf18("1","7","3","6","6","4","1") = "6"
    & skf18("1","7","3","6","6","5","1") = "6"
    & skf18("1","7","3","6","6","6","1") = "6"
    & skf18("1","7","3","6","6","7","1") = "6"
    & skf18("1","7","3","6","6","8","1") = "7"
    & skf18("1","7","3","6","6","9","1") = "8"
    & skf18("1","7","3","6","6","10","1") = "9"
    & skf18("1","7","3","6","7","1","1") = "6"
    & skf18("1","7","3","6","7","2","1") = "6"
    & skf18("1","7","3","6","7","3","1") = "6"
    & skf18("1","7","3","6","7","4","1") = "6"
    & skf18("1","7","3","6","7","5","1") = "6"
    & skf18("1","7","3","6","7","6","1") = "6"
    & skf18("1","7","3","6","7","7","1") = "6"
    & skf18("1","7","3","6","7","8","1") = "7"
    & skf18("1","7","3","6","7","9","1") = "8"
    & skf18("1","7","3","6","7","10","1") = "9"
    & skf18("1","7","3","6","8","1","1") = "7"
    & skf18("1","7","3","6","8","2","1") = "7"
    & skf18("1","7","3","6","8","3","1") = "7"
    & skf18("1","7","3","6","8","4","1") = "7"
    & skf18("1","7","3","6","8","5","1") = "7"
    & skf18("1","7","3","6","8","6","1") = "7"
    & skf18("1","7","3","6","8","7","1") = "7"
    & skf18("1","7","3","6","8","8","1") = "7"
    & skf18("1","7","3","6","8","9","1") = "8"
    & skf18("1","7","3","6","8","10","1") = "9"
    & skf18("1","7","3","6","9","1","1") = "8"
    & skf18("1","7","3","6","9","2","1") = "8"
    & skf18("1","7","3","6","9","3","1") = "8"
    & skf18("1","7","3","6","9","4","1") = "8"
    & skf18("1","7","3","6","9","5","1") = "8"
    & skf18("1","7","3","6","9","6","1") = "8"
    & skf18("1","7","3","6","9","7","1") = "8"
    & skf18("1","7","3","6","9","8","1") = "8"
    & skf18("1","7","3","6","9","9","1") = "8"
    & skf18("1","7","3","6","9","10","1") = "9"
    & skf18("1","7","3","6","10","1","1") = "9"
    & skf18("1","7","3","6","10","2","1") = "9"
    & skf18("1","7","3","6","10","3","1") = "9"
    & skf18("1","7","3","6","10","4","1") = "9"
    & skf18("1","7","3","6","10","5","1") = "9"
    & skf18("1","7","3","6","10","6","1") = "9"
    & skf18("1","7","3","6","10","7","1") = "9"
    & skf18("1","7","3","6","10","8","1") = "9"
    & skf18("1","7","3","6","10","9","1") = "9"
    & skf18("1","7","3","6","10","10","1") = "9"
    & skf18("1","7","3","7","1","1","1") = "6"
    & skf18("1","7","3","7","1","2","1") = "6"
    & skf18("1","7","3","7","1","3","1") = "6"
    & skf18("1","7","3","7","1","4","1") = "6"
    & skf18("1","7","3","7","1","5","1") = "6"
    & skf18("1","7","3","7","1","6","1") = "6"
    & skf18("1","7","3","7","1","7","1") = "6"
    & skf18("1","7","3","7","1","8","1") = "7"
    & skf18("1","7","3","7","1","9","1") = "8"
    & skf18("1","7","3","7","1","10","1") = "9"
    & skf18("1","7","3","7","2","1","1") = "6"
    & skf18("1","7","3","7","2","2","1") = "6"
    & skf18("1","7","3","7","2","3","1") = "6"
    & skf18("1","7","3","7","2","4","1") = "6"
    & skf18("1","7","3","7","2","5","1") = "6"
    & skf18("1","7","3","7","2","6","1") = "6"
    & skf18("1","7","3","7","2","7","1") = "6"
    & skf18("1","7","3","7","2","8","1") = "7"
    & skf18("1","7","3","7","2","9","1") = "8"
    & skf18("1","7","3","7","2","10","1") = "9"
    & skf18("1","7","3","7","3","1","1") = "6"
    & skf18("1","7","3","7","3","2","1") = "6"
    & skf18("1","7","3","7","3","3","1") = "6"
    & skf18("1","7","3","7","3","4","1") = "6"
    & skf18("1","7","3","7","3","5","1") = "6"
    & skf18("1","7","3","7","3","6","1") = "6"
    & skf18("1","7","3","7","3","7","1") = "6"
    & skf18("1","7","3","7","3","8","1") = "7"
    & skf18("1","7","3","7","3","9","1") = "8"
    & skf18("1","7","3","7","3","10","1") = "9"
    & skf18("1","7","3","7","4","1","1") = "6"
    & skf18("1","7","3","7","4","2","1") = "6"
    & skf18("1","7","3","7","4","3","1") = "6"
    & skf18("1","7","3","7","4","4","1") = "6"
    & skf18("1","7","3","7","4","5","1") = "6"
    & skf18("1","7","3","7","4","6","1") = "6"
    & skf18("1","7","3","7","4","7","1") = "6"
    & skf18("1","7","3","7","4","8","1") = "7"
    & skf18("1","7","3","7","4","9","1") = "8"
    & skf18("1","7","3","7","4","10","1") = "9"
    & skf18("1","7","3","7","5","1","1") = "6"
    & skf18("1","7","3","7","5","2","1") = "6"
    & skf18("1","7","3","7","5","3","1") = "6"
    & skf18("1","7","3","7","5","4","1") = "6"
    & skf18("1","7","3","7","5","5","1") = "6"
    & skf18("1","7","3","7","5","6","1") = "6"
    & skf18("1","7","3","7","5","7","1") = "6"
    & skf18("1","7","3","7","5","8","1") = "7"
    & skf18("1","7","3","7","5","9","1") = "8"
    & skf18("1","7","3","7","5","10","1") = "9"
    & skf18("1","7","3","7","6","1","1") = "6"
    & skf18("1","7","3","7","6","2","1") = "6"
    & skf18("1","7","3","7","6","3","1") = "6"
    & skf18("1","7","3","7","6","4","1") = "6"
    & skf18("1","7","3","7","6","5","1") = "6"
    & skf18("1","7","3","7","6","6","1") = "6"
    & skf18("1","7","3","7","6","7","1") = "6"
    & skf18("1","7","3","7","6","8","1") = "7"
    & skf18("1","7","3","7","6","9","1") = "8"
    & skf18("1","7","3","7","6","10","1") = "9"
    & skf18("1","7","3","7","7","1","1") = "6"
    & skf18("1","7","3","7","7","2","1") = "6"
    & skf18("1","7","3","7","7","3","1") = "6"
    & skf18("1","7","3","7","7","4","1") = "6"
    & skf18("1","7","3","7","7","5","1") = "6"
    & skf18("1","7","3","7","7","6","1") = "6"
    & skf18("1","7","3","7","7","7","1") = "6"
    & skf18("1","7","3","7","7","8","1") = "7"
    & skf18("1","7","3","7","7","9","1") = "8"
    & skf18("1","7","3","7","7","10","1") = "9"
    & skf18("1","7","3","7","8","1","1") = "7"
    & skf18("1","7","3","7","8","2","1") = "7"
    & skf18("1","7","3","7","8","3","1") = "7"
    & skf18("1","7","3","7","8","4","1") = "7"
    & skf18("1","7","3","7","8","5","1") = "7"
    & skf18("1","7","3","7","8","6","1") = "7"
    & skf18("1","7","3","7","8","7","1") = "7"
    & skf18("1","7","3","7","8","8","1") = "7"
    & skf18("1","7","3","7","8","9","1") = "8"
    & skf18("1","7","3","7","8","10","1") = "9"
    & skf18("1","7","3","7","9","1","1") = "8"
    & skf18("1","7","3","7","9","2","1") = "8"
    & skf18("1","7","3","7","9","3","1") = "8"
    & skf18("1","7","3","7","9","4","1") = "8"
    & skf18("1","7","3","7","9","5","1") = "8"
    & skf18("1","7","3","7","9","6","1") = "8"
    & skf18("1","7","3","7","9","7","1") = "8"
    & skf18("1","7","3","7","9","8","1") = "8"
    & skf18("1","7","3","7","9","9","1") = "8"
    & skf18("1","7","3","7","9","10","1") = "9"
    & skf18("1","7","3","7","10","1","1") = "9"
    & skf18("1","7","3","7","10","2","1") = "9"
    & skf18("1","7","3","7","10","3","1") = "9"
    & skf18("1","7","3","7","10","4","1") = "9"
    & skf18("1","7","3","7","10","5","1") = "9"
    & skf18("1","7","3","7","10","6","1") = "9"
    & skf18("1","7","3","7","10","7","1") = "9"
    & skf18("1","7","3","7","10","8","1") = "9"
    & skf18("1","7","3","7","10","9","1") = "9"
    & skf18("1","7","3","7","10","10","1") = "9"
    & skf18("1","7","3","8","1","1","1") = "7"
    & skf18("1","7","3","8","1","2","1") = "7"
    & skf18("1","7","3","8","1","3","1") = "7"
    & skf18("1","7","3","8","1","4","1") = "7"
    & skf18("1","7","3","8","1","5","1") = "7"
    & skf18("1","7","3","8","1","6","1") = "7"
    & skf18("1","7","3","8","1","7","1") = "7"
    & skf18("1","7","3","8","1","8","1") = "7"
    & skf18("1","7","3","8","1","9","1") = "8"
    & skf18("1","7","3","8","1","10","1") = "9"
    & skf18("1","7","3","8","2","1","1") = "7"
    & skf18("1","7","3","8","2","2","1") = "7"
    & skf18("1","7","3","8","2","3","1") = "7"
    & skf18("1","7","3","8","2","4","1") = "7"
    & skf18("1","7","3","8","2","5","1") = "7"
    & skf18("1","7","3","8","2","6","1") = "7"
    & skf18("1","7","3","8","2","7","1") = "7"
    & skf18("1","7","3","8","2","8","1") = "7"
    & skf18("1","7","3","8","2","9","1") = "8"
    & skf18("1","7","3","8","2","10","1") = "9"
    & skf18("1","7","3","8","3","1","1") = "7"
    & skf18("1","7","3","8","3","2","1") = "7"
    & skf18("1","7","3","8","3","3","1") = "7"
    & skf18("1","7","3","8","3","4","1") = "7"
    & skf18("1","7","3","8","3","5","1") = "7"
    & skf18("1","7","3","8","3","6","1") = "7"
    & skf18("1","7","3","8","3","7","1") = "7"
    & skf18("1","7","3","8","3","8","1") = "7"
    & skf18("1","7","3","8","3","9","1") = "8"
    & skf18("1","7","3","8","3","10","1") = "9"
    & skf18("1","7","3","8","4","1","1") = "7"
    & skf18("1","7","3","8","4","2","1") = "7"
    & skf18("1","7","3","8","4","3","1") = "7"
    & skf18("1","7","3","8","4","4","1") = "7"
    & skf18("1","7","3","8","4","5","1") = "7"
    & skf18("1","7","3","8","4","6","1") = "7"
    & skf18("1","7","3","8","4","7","1") = "7"
    & skf18("1","7","3","8","4","8","1") = "7"
    & skf18("1","7","3","8","4","9","1") = "8"
    & skf18("1","7","3","8","4","10","1") = "9"
    & skf18("1","7","3","8","5","1","1") = "7"
    & skf18("1","7","3","8","5","2","1") = "7"
    & skf18("1","7","3","8","5","3","1") = "7"
    & skf18("1","7","3","8","5","4","1") = "7"
    & skf18("1","7","3","8","5","5","1") = "7"
    & skf18("1","7","3","8","5","6","1") = "7"
    & skf18("1","7","3","8","5","7","1") = "7"
    & skf18("1","7","3","8","5","8","1") = "7"
    & skf18("1","7","3","8","5","9","1") = "8"
    & skf18("1","7","3","8","5","10","1") = "9"
    & skf18("1","7","3","8","6","1","1") = "7"
    & skf18("1","7","3","8","6","2","1") = "7"
    & skf18("1","7","3","8","6","3","1") = "7"
    & skf18("1","7","3","8","6","4","1") = "7"
    & skf18("1","7","3","8","6","5","1") = "7"
    & skf18("1","7","3","8","6","6","1") = "7"
    & skf18("1","7","3","8","6","7","1") = "7"
    & skf18("1","7","3","8","6","8","1") = "7"
    & skf18("1","7","3","8","6","9","1") = "8"
    & skf18("1","7","3","8","6","10","1") = "9"
    & skf18("1","7","3","8","7","1","1") = "7"
    & skf18("1","7","3","8","7","2","1") = "7"
    & skf18("1","7","3","8","7","3","1") = "7"
    & skf18("1","7","3","8","7","4","1") = "7"
    & skf18("1","7","3","8","7","5","1") = "7"
    & skf18("1","7","3","8","7","6","1") = "7"
    & skf18("1","7","3","8","7","7","1") = "7"
    & skf18("1","7","3","8","7","8","1") = "7"
    & skf18("1","7","3","8","7","9","1") = "8"
    & skf18("1","7","3","8","7","10","1") = "9"
    & skf18("1","7","3","8","8","1","1") = "7"
    & skf18("1","7","3","8","8","2","1") = "7"
    & skf18("1","7","3","8","8","3","1") = "7"
    & skf18("1","7","3","8","8","4","1") = "7"
    & skf18("1","7","3","8","8","5","1") = "7"
    & skf18("1","7","3","8","8","6","1") = "7"
    & skf18("1","7","3","8","8","7","1") = "7"
    & skf18("1","7","3","8","8","8","1") = "7"
    & skf18("1","7","3","8","8","9","1") = "8"
    & skf18("1","7","3","8","8","10","1") = "9"
    & skf18("1","7","3","8","9","1","1") = "8"
    & skf18("1","7","3","8","9","2","1") = "8"
    & skf18("1","7","3","8","9","3","1") = "8"
    & skf18("1","7","3","8","9","4","1") = "8"
    & skf18("1","7","3","8","9","5","1") = "8"
    & skf18("1","7","3","8","9","6","1") = "8"
    & skf18("1","7","3","8","9","7","1") = "8"
    & skf18("1","7","3","8","9","8","1") = "8"
    & skf18("1","7","3","8","9","9","1") = "8"
    & skf18("1","7","3","8","9","10","1") = "9"
    & skf18("1","7","3","8","10","1","1") = "9"
    & skf18("1","7","3","8","10","2","1") = "9"
    & skf18("1","7","3","8","10","3","1") = "9"
    & skf18("1","7","3","8","10","4","1") = "9"
    & skf18("1","7","3","8","10","5","1") = "9"
    & skf18("1","7","3","8","10","6","1") = "9"
    & skf18("1","7","3","8","10","7","1") = "9"
    & skf18("1","7","3","8","10","8","1") = "9"
    & skf18("1","7","3","8","10","9","1") = "9"
    & skf18("1","7","3","8","10","10","1") = "9"
    & skf18("1","7","3","9","1","1","1") = "8"
    & skf18("1","7","3","9","1","2","1") = "8"
    & skf18("1","7","3","9","1","3","1") = "8"
    & skf18("1","7","3","9","1","4","1") = "8"
    & skf18("1","7","3","9","1","5","1") = "8"
    & skf18("1","7","3","9","1","6","1") = "8"
    & skf18("1","7","3","9","1","7","1") = "8"
    & skf18("1","7","3","9","1","8","1") = "8"
    & skf18("1","7","3","9","1","9","1") = "8"
    & skf18("1","7","3","9","1","10","1") = "9"
    & skf18("1","7","3","9","2","1","1") = "8"
    & skf18("1","7","3","9","2","2","1") = "8"
    & skf18("1","7","3","9","2","3","1") = "8"
    & skf18("1","7","3","9","2","4","1") = "8"
    & skf18("1","7","3","9","2","5","1") = "8"
    & skf18("1","7","3","9","2","6","1") = "8"
    & skf18("1","7","3","9","2","7","1") = "8"
    & skf18("1","7","3","9","2","8","1") = "8"
    & skf18("1","7","3","9","2","9","1") = "8"
    & skf18("1","7","3","9","2","10","1") = "9"
    & skf18("1","7","3","9","3","1","1") = "8"
    & skf18("1","7","3","9","3","2","1") = "8"
    & skf18("1","7","3","9","3","3","1") = "8"
    & skf18("1","7","3","9","3","4","1") = "8"
    & skf18("1","7","3","9","3","5","1") = "8"
    & skf18("1","7","3","9","3","6","1") = "8"
    & skf18("1","7","3","9","3","7","1") = "8"
    & skf18("1","7","3","9","3","8","1") = "8"
    & skf18("1","7","3","9","3","9","1") = "8"
    & skf18("1","7","3","9","3","10","1") = "9"
    & skf18("1","7","3","9","4","1","1") = "8"
    & skf18("1","7","3","9","4","2","1") = "8"
    & skf18("1","7","3","9","4","3","1") = "8"
    & skf18("1","7","3","9","4","4","1") = "8"
    & skf18("1","7","3","9","4","5","1") = "8"
    & skf18("1","7","3","9","4","6","1") = "8"
    & skf18("1","7","3","9","4","7","1") = "8"
    & skf18("1","7","3","9","4","8","1") = "8"
    & skf18("1","7","3","9","4","9","1") = "8"
    & skf18("1","7","3","9","4","10","1") = "9"
    & skf18("1","7","3","9","5","1","1") = "8"
    & skf18("1","7","3","9","5","2","1") = "8"
    & skf18("1","7","3","9","5","3","1") = "8"
    & skf18("1","7","3","9","5","4","1") = "8"
    & skf18("1","7","3","9","5","5","1") = "8"
    & skf18("1","7","3","9","5","6","1") = "8"
    & skf18("1","7","3","9","5","7","1") = "8"
    & skf18("1","7","3","9","5","8","1") = "8"
    & skf18("1","7","3","9","5","9","1") = "8"
    & skf18("1","7","3","9","5","10","1") = "9"
    & skf18("1","7","3","9","6","1","1") = "8"
    & skf18("1","7","3","9","6","2","1") = "8"
    & skf18("1","7","3","9","6","3","1") = "8"
    & skf18("1","7","3","9","6","4","1") = "8"
    & skf18("1","7","3","9","6","5","1") = "8"
    & skf18("1","7","3","9","6","6","1") = "8"
    & skf18("1","7","3","9","6","7","1") = "8"
    & skf18("1","7","3","9","6","8","1") = "8"
    & skf18("1","7","3","9","6","9","1") = "8"
    & skf18("1","7","3","9","6","10","1") = "9"
    & skf18("1","7","3","9","7","1","1") = "8"
    & skf18("1","7","3","9","7","2","1") = "8"
    & skf18("1","7","3","9","7","3","1") = "8"
    & skf18("1","7","3","9","7","4","1") = "8"
    & skf18("1","7","3","9","7","5","1") = "8"
    & skf18("1","7","3","9","7","6","1") = "8"
    & skf18("1","7","3","9","7","7","1") = "8"
    & skf18("1","7","3","9","7","8","1") = "8"
    & skf18("1","7","3","9","7","9","1") = "8"
    & skf18("1","7","3","9","7","10","1") = "9"
    & skf18("1","7","3","9","8","1","1") = "8"
    & skf18("1","7","3","9","8","2","1") = "8"
    & skf18("1","7","3","9","8","3","1") = "8"
    & skf18("1","7","3","9","8","4","1") = "8"
    & skf18("1","7","3","9","8","5","1") = "8"
    & skf18("1","7","3","9","8","6","1") = "8"
    & skf18("1","7","3","9","8","7","1") = "8"
    & skf18("1","7","3","9","8","8","1") = "8"
    & skf18("1","7","3","9","8","9","1") = "8"
    & skf18("1","7","3","9","8","10","1") = "9"
    & skf18("1","7","3","9","9","1","1") = "8"
    & skf18("1","7","3","9","9","2","1") = "8"
    & skf18("1","7","3","9","9","3","1") = "8"
    & skf18("1","7","3","9","9","4","1") = "8"
    & skf18("1","7","3","9","9","5","1") = "8"
    & skf18("1","7","3","9","9","6","1") = "8"
    & skf18("1","7","3","9","9","7","1") = "8"
    & skf18("1","7","3","9","9","8","1") = "8"
    & skf18("1","7","3","9","9","9","1") = "8"
    & skf18("1","7","3","9","9","10","1") = "9"
    & skf18("1","7","3","9","10","1","1") = "9"
    & skf18("1","7","3","9","10","2","1") = "9"
    & skf18("1","7","3","9","10","3","1") = "9"
    & skf18("1","7","3","9","10","4","1") = "9"
    & skf18("1","7","3","9","10","5","1") = "9"
    & skf18("1","7","3","9","10","6","1") = "9"
    & skf18("1","7","3","9","10","7","1") = "9"
    & skf18("1","7","3","9","10","8","1") = "9"
    & skf18("1","7","3","9","10","9","1") = "9"
    & skf18("1","7","3","9","10","10","1") = "9"
    & skf18("1","7","3","10","1","1","1") = "9"
    & skf18("1","7","3","10","1","2","1") = "9"
    & skf18("1","7","3","10","1","3","1") = "9"
    & skf18("1","7","3","10","1","4","1") = "9"
    & skf18("1","7","3","10","1","5","1") = "9"
    & skf18("1","7","3","10","1","6","1") = "9"
    & skf18("1","7","3","10","1","7","1") = "9"
    & skf18("1","7","3","10","1","8","1") = "9"
    & skf18("1","7","3","10","1","9","1") = "9"
    & skf18("1","7","3","10","1","10","1") = "9"
    & skf18("1","7","3","10","2","1","1") = "9"
    & skf18("1","7","3","10","2","2","1") = "9"
    & skf18("1","7","3","10","2","3","1") = "9"
    & skf18("1","7","3","10","2","4","1") = "9"
    & skf18("1","7","3","10","2","5","1") = "9"
    & skf18("1","7","3","10","2","6","1") = "9"
    & skf18("1","7","3","10","2","7","1") = "9"
    & skf18("1","7","3","10","2","8","1") = "9"
    & skf18("1","7","3","10","2","9","1") = "9"
    & skf18("1","7","3","10","2","10","1") = "9"
    & skf18("1","7","3","10","3","1","1") = "9"
    & skf18("1","7","3","10","3","2","1") = "9"
    & skf18("1","7","3","10","3","3","1") = "9"
    & skf18("1","7","3","10","3","4","1") = "9"
    & skf18("1","7","3","10","3","5","1") = "9"
    & skf18("1","7","3","10","3","6","1") = "9"
    & skf18("1","7","3","10","3","7","1") = "9"
    & skf18("1","7","3","10","3","8","1") = "9"
    & skf18("1","7","3","10","3","9","1") = "9"
    & skf18("1","7","3","10","3","10","1") = "9"
    & skf18("1","7","3","10","4","1","1") = "9"
    & skf18("1","7","3","10","4","2","1") = "9"
    & skf18("1","7","3","10","4","3","1") = "9"
    & skf18("1","7","3","10","4","4","1") = "9"
    & skf18("1","7","3","10","4","5","1") = "9"
    & skf18("1","7","3","10","4","6","1") = "9"
    & skf18("1","7","3","10","4","7","1") = "9"
    & skf18("1","7","3","10","4","8","1") = "9"
    & skf18("1","7","3","10","4","9","1") = "9"
    & skf18("1","7","3","10","4","10","1") = "9"
    & skf18("1","7","3","10","5","1","1") = "9"
    & skf18("1","7","3","10","5","2","1") = "9"
    & skf18("1","7","3","10","5","3","1") = "9"
    & skf18("1","7","3","10","5","4","1") = "9"
    & skf18("1","7","3","10","5","5","1") = "9"
    & skf18("1","7","3","10","5","6","1") = "9"
    & skf18("1","7","3","10","5","7","1") = "9"
    & skf18("1","7","3","10","5","8","1") = "9"
    & skf18("1","7","3","10","5","9","1") = "9"
    & skf18("1","7","3","10","5","10","1") = "9"
    & skf18("1","7","3","10","6","1","1") = "9"
    & skf18("1","7","3","10","6","2","1") = "9"
    & skf18("1","7","3","10","6","3","1") = "9"
    & skf18("1","7","3","10","6","4","1") = "9"
    & skf18("1","7","3","10","6","5","1") = "9"
    & skf18("1","7","3","10","6","6","1") = "9"
    & skf18("1","7","3","10","6","7","1") = "9"
    & skf18("1","7","3","10","6","8","1") = "9"
    & skf18("1","7","3","10","6","9","1") = "9"
    & skf18("1","7","3","10","6","10","1") = "9"
    & skf18("1","7","3","10","7","1","1") = "9"
    & skf18("1","7","3","10","7","2","1") = "9"
    & skf18("1","7","3","10","7","3","1") = "9"
    & skf18("1","7","3","10","7","4","1") = "9"
    & skf18("1","7","3","10","7","5","1") = "9"
    & skf18("1","7","3","10","7","6","1") = "9"
    & skf18("1","7","3","10","7","7","1") = "9"
    & skf18("1","7","3","10","7","8","1") = "9"
    & skf18("1","7","3","10","7","9","1") = "9"
    & skf18("1","7","3","10","7","10","1") = "9"
    & skf18("1","7","3","10","8","1","1") = "9"
    & skf18("1","7","3","10","8","2","1") = "9"
    & skf18("1","7","3","10","8","3","1") = "9"
    & skf18("1","7","3","10","8","4","1") = "9"
    & skf18("1","7","3","10","8","5","1") = "9"
    & skf18("1","7","3","10","8","6","1") = "9"
    & skf18("1","7","3","10","8","7","1") = "9"
    & skf18("1","7","3","10","8","8","1") = "9"
    & skf18("1","7","3","10","8","9","1") = "9"
    & skf18("1","7","3","10","8","10","1") = "9"
    & skf18("1","7","3","10","9","1","1") = "9"
    & skf18("1","7","3","10","9","2","1") = "9"
    & skf18("1","7","3","10","9","3","1") = "9"
    & skf18("1","7","3","10","9","4","1") = "9"
    & skf18("1","7","3","10","9","5","1") = "9"
    & skf18("1","7","3","10","9","6","1") = "9"
    & skf18("1","7","3","10","9","7","1") = "9"
    & skf18("1","7","3","10","9","8","1") = "9"
    & skf18("1","7","3","10","9","9","1") = "9"
    & skf18("1","7","3","10","9","10","1") = "9"
    & skf18("1","7","3","10","10","1","1") = "9"
    & skf18("1","7","3","10","10","2","1") = "9"
    & skf18("1","7","3","10","10","3","1") = "9"
    & skf18("1","7","3","10","10","4","1") = "9"
    & skf18("1","7","3","10","10","5","1") = "9"
    & skf18("1","7","3","10","10","6","1") = "9"
    & skf18("1","7","3","10","10","7","1") = "9"
    & skf18("1","7","3","10","10","8","1") = "9"
    & skf18("1","7","3","10","10","9","1") = "9"
    & skf18("1","7","3","10","10","10","1") = "9"
    & skf18("1","7","4","1","1","1","1") = "6"
    & skf18("1","7","4","1","1","2","1") = "6"
    & skf18("1","7","4","1","1","3","1") = "6"
    & skf18("1","7","4","1","1","4","1") = "6"
    & skf18("1","7","4","1","1","5","1") = "6"
    & skf18("1","7","4","1","1","6","1") = "6"
    & skf18("1","7","4","1","1","7","1") = "6"
    & skf18("1","7","4","1","1","8","1") = "7"
    & skf18("1","7","4","1","1","9","1") = "8"
    & skf18("1","7","4","1","1","10","1") = "9"
    & skf18("1","7","4","1","2","1","1") = "6"
    & skf18("1","7","4","1","2","2","1") = "6"
    & skf18("1","7","4","1","2","3","1") = "6"
    & skf18("1","7","4","1","2","4","1") = "6"
    & skf18("1","7","4","1","2","5","1") = "6"
    & skf18("1","7","4","1","2","6","1") = "6"
    & skf18("1","7","4","1","2","7","1") = "6"
    & skf18("1","7","4","1","2","8","1") = "7"
    & skf18("1","7","4","1","2","9","1") = "8"
    & skf18("1","7","4","1","2","10","1") = "9"
    & skf18("1","7","4","1","3","1","1") = "6"
    & skf18("1","7","4","1","3","2","1") = "6"
    & skf18("1","7","4","1","3","3","1") = "6"
    & skf18("1","7","4","1","3","4","1") = "6"
    & skf18("1","7","4","1","3","5","1") = "6"
    & skf18("1","7","4","1","3","6","1") = "6"
    & skf18("1","7","4","1","3","7","1") = "6"
    & skf18("1","7","4","1","3","8","1") = "7"
    & skf18("1","7","4","1","3","9","1") = "8"
    & skf18("1","7","4","1","3","10","1") = "9"
    & skf18("1","7","4","1","4","1","1") = "6"
    & skf18("1","7","4","1","4","2","1") = "6"
    & skf18("1","7","4","1","4","3","1") = "6"
    & skf18("1","7","4","1","4","4","1") = "6"
    & skf18("1","7","4","1","4","5","1") = "6"
    & skf18("1","7","4","1","4","6","1") = "6"
    & skf18("1","7","4","1","4","7","1") = "6"
    & skf18("1","7","4","1","4","8","1") = "7"
    & skf18("1","7","4","1","4","9","1") = "8"
    & skf18("1","7","4","1","4","10","1") = "9"
    & skf18("1","7","4","1","5","1","1") = "6"
    & skf18("1","7","4","1","5","2","1") = "6"
    & skf18("1","7","4","1","5","3","1") = "6"
    & skf18("1","7","4","1","5","4","1") = "6"
    & skf18("1","7","4","1","5","5","1") = "6"
    & skf18("1","7","4","1","5","6","1") = "6"
    & skf18("1","7","4","1","5","7","1") = "6"
    & skf18("1","7","4","1","5","8","1") = "7"
    & skf18("1","7","4","1","5","9","1") = "8"
    & skf18("1","7","4","1","5","10","1") = "9"
    & skf18("1","7","4","1","6","1","1") = "6"
    & skf18("1","7","4","1","6","2","1") = "6"
    & skf18("1","7","4","1","6","3","1") = "6"
    & skf18("1","7","4","1","6","4","1") = "6"
    & skf18("1","7","4","1","6","5","1") = "6"
    & skf18("1","7","4","1","6","6","1") = "6"
    & skf18("1","7","4","1","6","7","1") = "6"
    & skf18("1","7","4","1","6","8","1") = "7"
    & skf18("1","7","4","1","6","9","1") = "8"
    & skf18("1","7","4","1","6","10","1") = "9"
    & skf18("1","7","4","1","7","1","1") = "6"
    & skf18("1","7","4","1","7","2","1") = "6"
    & skf18("1","7","4","1","7","3","1") = "6"
    & skf18("1","7","4","1","7","4","1") = "6"
    & skf18("1","7","4","1","7","5","1") = "6"
    & skf18("1","7","4","1","7","6","1") = "6"
    & skf18("1","7","4","1","7","7","1") = "6"
    & skf18("1","7","4","1","7","8","1") = "7"
    & skf18("1","7","4","1","7","9","1") = "8"
    & skf18("1","7","4","1","7","10","1") = "9"
    & skf18("1","7","4","1","8","1","1") = "7"
    & skf18("1","7","4","1","8","2","1") = "7"
    & skf18("1","7","4","1","8","3","1") = "7"
    & skf18("1","7","4","1","8","4","1") = "7"
    & skf18("1","7","4","1","8","5","1") = "7"
    & skf18("1","7","4","1","8","6","1") = "7"
    & skf18("1","7","4","1","8","7","1") = "7"
    & skf18("1","7","4","1","8","8","1") = "7"
    & skf18("1","7","4","1","8","9","1") = "8"
    & skf18("1","7","4","1","8","10","1") = "9"
    & skf18("1","7","4","1","9","1","1") = "8"
    & skf18("1","7","4","1","9","2","1") = "8"
    & skf18("1","7","4","1","9","3","1") = "8"
    & skf18("1","7","4","1","9","4","1") = "8"
    & skf18("1","7","4","1","9","5","1") = "8"
    & skf18("1","7","4","1","9","6","1") = "8"
    & skf18("1","7","4","1","9","7","1") = "8"
    & skf18("1","7","4","1","9","8","1") = "8"
    & skf18("1","7","4","1","9","9","1") = "8"
    & skf18("1","7","4","1","9","10","1") = "9"
    & skf18("1","7","4","1","10","1","1") = "9"
    & skf18("1","7","4","1","10","2","1") = "9"
    & skf18("1","7","4","1","10","3","1") = "9"
    & skf18("1","7","4","1","10","4","1") = "9"
    & skf18("1","7","4","1","10","5","1") = "9"
    & skf18("1","7","4","1","10","6","1") = "9"
    & skf18("1","7","4","1","10","7","1") = "9"
    & skf18("1","7","4","1","10","8","1") = "9"
    & skf18("1","7","4","1","10","9","1") = "9"
    & skf18("1","7","4","1","10","10","1") = "9"
    & skf18("1","7","4","2","1","1","1") = "6"
    & skf18("1","7","4","2","1","2","1") = "6"
    & skf18("1","7","4","2","1","3","1") = "6"
    & skf18("1","7","4","2","1","4","1") = "6"
    & skf18("1","7","4","2","1","5","1") = "6"
    & skf18("1","7","4","2","1","6","1") = "6"
    & skf18("1","7","4","2","1","7","1") = "6"
    & skf18("1","7","4","2","1","8","1") = "7"
    & skf18("1","7","4","2","1","9","1") = "8"
    & skf18("1","7","4","2","1","10","1") = "9"
    & skf18("1","7","4","2","2","1","1") = "6"
    & skf18("1","7","4","2","2","2","1") = "6"
    & skf18("1","7","4","2","2","3","1") = "6"
    & skf18("1","7","4","2","2","4","1") = "6"
    & skf18("1","7","4","2","2","5","1") = "6"
    & skf18("1","7","4","2","2","6","1") = "6"
    & skf18("1","7","4","2","2","7","1") = "6"
    & skf18("1","7","4","2","2","8","1") = "7"
    & skf18("1","7","4","2","2","9","1") = "8"
    & skf18("1","7","4","2","2","10","1") = "9"
    & skf18("1","7","4","2","3","1","1") = "6"
    & skf18("1","7","4","2","3","2","1") = "6"
    & skf18("1","7","4","2","3","3","1") = "6"
    & skf18("1","7","4","2","3","4","1") = "6"
    & skf18("1","7","4","2","3","5","1") = "6"
    & skf18("1","7","4","2","3","6","1") = "6"
    & skf18("1","7","4","2","3","7","1") = "6"
    & skf18("1","7","4","2","3","8","1") = "7"
    & skf18("1","7","4","2","3","9","1") = "8"
    & skf18("1","7","4","2","3","10","1") = "9"
    & skf18("1","7","4","2","4","1","1") = "6"
    & skf18("1","7","4","2","4","2","1") = "6"
    & skf18("1","7","4","2","4","3","1") = "6"
    & skf18("1","7","4","2","4","4","1") = "6"
    & skf18("1","7","4","2","4","5","1") = "6"
    & skf18("1","7","4","2","4","6","1") = "6"
    & skf18("1","7","4","2","4","7","1") = "6"
    & skf18("1","7","4","2","4","8","1") = "7"
    & skf18("1","7","4","2","4","9","1") = "8"
    & skf18("1","7","4","2","4","10","1") = "9"
    & skf18("1","7","4","2","5","1","1") = "6"
    & skf18("1","7","4","2","5","2","1") = "6"
    & skf18("1","7","4","2","5","3","1") = "6"
    & skf18("1","7","4","2","5","4","1") = "6"
    & skf18("1","7","4","2","5","5","1") = "6"
    & skf18("1","7","4","2","5","6","1") = "6"
    & skf18("1","7","4","2","5","7","1") = "6"
    & skf18("1","7","4","2","5","8","1") = "7"
    & skf18("1","7","4","2","5","9","1") = "8"
    & skf18("1","7","4","2","5","10","1") = "9"
    & skf18("1","7","4","2","6","1","1") = "6"
    & skf18("1","7","4","2","6","2","1") = "6"
    & skf18("1","7","4","2","6","3","1") = "6"
    & skf18("1","7","4","2","6","4","1") = "6"
    & skf18("1","7","4","2","6","5","1") = "6"
    & skf18("1","7","4","2","6","6","1") = "6"
    & skf18("1","7","4","2","6","7","1") = "6"
    & skf18("1","7","4","2","6","8","1") = "7"
    & skf18("1","7","4","2","6","9","1") = "8"
    & skf18("1","7","4","2","6","10","1") = "9"
    & skf18("1","7","4","2","7","1","1") = "6"
    & skf18("1","7","4","2","7","2","1") = "6"
    & skf18("1","7","4","2","7","3","1") = "6"
    & skf18("1","7","4","2","7","4","1") = "6"
    & skf18("1","7","4","2","7","5","1") = "6"
    & skf18("1","7","4","2","7","6","1") = "6"
    & skf18("1","7","4","2","7","7","1") = "6"
    & skf18("1","7","4","2","7","8","1") = "7"
    & skf18("1","7","4","2","7","9","1") = "8"
    & skf18("1","7","4","2","7","10","1") = "9"
    & skf18("1","7","4","2","8","1","1") = "7"
    & skf18("1","7","4","2","8","2","1") = "7"
    & skf18("1","7","4","2","8","3","1") = "7"
    & skf18("1","7","4","2","8","4","1") = "7"
    & skf18("1","7","4","2","8","5","1") = "7"
    & skf18("1","7","4","2","8","6","1") = "7"
    & skf18("1","7","4","2","8","7","1") = "7"
    & skf18("1","7","4","2","8","8","1") = "7"
    & skf18("1","7","4","2","8","9","1") = "8"
    & skf18("1","7","4","2","8","10","1") = "9"
    & skf18("1","7","4","2","9","1","1") = "8"
    & skf18("1","7","4","2","9","2","1") = "8"
    & skf18("1","7","4","2","9","3","1") = "8"
    & skf18("1","7","4","2","9","4","1") = "8"
    & skf18("1","7","4","2","9","5","1") = "8"
    & skf18("1","7","4","2","9","6","1") = "8"
    & skf18("1","7","4","2","9","7","1") = "8"
    & skf18("1","7","4","2","9","8","1") = "8"
    & skf18("1","7","4","2","9","9","1") = "8"
    & skf18("1","7","4","2","9","10","1") = "9"
    & skf18("1","7","4","2","10","1","1") = "9"
    & skf18("1","7","4","2","10","2","1") = "9"
    & skf18("1","7","4","2","10","3","1") = "9"
    & skf18("1","7","4","2","10","4","1") = "9"
    & skf18("1","7","4","2","10","5","1") = "9"
    & skf18("1","7","4","2","10","6","1") = "9"
    & skf18("1","7","4","2","10","7","1") = "9"
    & skf18("1","7","4","2","10","8","1") = "9"
    & skf18("1","7","4","2","10","9","1") = "9"
    & skf18("1","7","4","2","10","10","1") = "9"
    & skf18("1","7","4","3","1","1","1") = "6"
    & skf18("1","7","4","3","1","2","1") = "6"
    & skf18("1","7","4","3","1","3","1") = "6"
    & skf18("1","7","4","3","1","4","1") = "6"
    & skf18("1","7","4","3","1","5","1") = "6"
    & skf18("1","7","4","3","1","6","1") = "6"
    & skf18("1","7","4","3","1","7","1") = "6"
    & skf18("1","7","4","3","1","8","1") = "7"
    & skf18("1","7","4","3","1","9","1") = "8"
    & skf18("1","7","4","3","1","10","1") = "9"
    & skf18("1","7","4","3","2","1","1") = "6"
    & skf18("1","7","4","3","2","2","1") = "6"
    & skf18("1","7","4","3","2","3","1") = "6"
    & skf18("1","7","4","3","2","4","1") = "6"
    & skf18("1","7","4","3","2","5","1") = "6"
    & skf18("1","7","4","3","2","6","1") = "6"
    & skf18("1","7","4","3","2","7","1") = "6"
    & skf18("1","7","4","3","2","8","1") = "7"
    & skf18("1","7","4","3","2","9","1") = "8"
    & skf18("1","7","4","3","2","10","1") = "9"
    & skf18("1","7","4","3","3","1","1") = "6"
    & skf18("1","7","4","3","3","2","1") = "6"
    & skf18("1","7","4","3","3","3","1") = "6"
    & skf18("1","7","4","3","3","4","1") = "6"
    & skf18("1","7","4","3","3","5","1") = "6"
    & skf18("1","7","4","3","3","6","1") = "6"
    & skf18("1","7","4","3","3","7","1") = "6"
    & skf18("1","7","4","3","3","8","1") = "7"
    & skf18("1","7","4","3","3","9","1") = "8"
    & skf18("1","7","4","3","3","10","1") = "9"
    & skf18("1","7","4","3","4","1","1") = "6"
    & skf18("1","7","4","3","4","2","1") = "6"
    & skf18("1","7","4","3","4","3","1") = "6"
    & skf18("1","7","4","3","4","4","1") = "6"
    & skf18("1","7","4","3","4","5","1") = "6"
    & skf18("1","7","4","3","4","6","1") = "6"
    & skf18("1","7","4","3","4","7","1") = "6"
    & skf18("1","7","4","3","4","8","1") = "7"
    & skf18("1","7","4","3","4","9","1") = "8"
    & skf18("1","7","4","3","4","10","1") = "9"
    & skf18("1","7","4","3","5","1","1") = "6"
    & skf18("1","7","4","3","5","2","1") = "6"
    & skf18("1","7","4","3","5","3","1") = "6"
    & skf18("1","7","4","3","5","4","1") = "6"
    & skf18("1","7","4","3","5","5","1") = "6"
    & skf18("1","7","4","3","5","6","1") = "6"
    & skf18("1","7","4","3","5","7","1") = "6"
    & skf18("1","7","4","3","5","8","1") = "7"
    & skf18("1","7","4","3","5","9","1") = "8"
    & skf18("1","7","4","3","5","10","1") = "9"
    & skf18("1","7","4","3","6","1","1") = "6"
    & skf18("1","7","4","3","6","2","1") = "6"
    & skf18("1","7","4","3","6","3","1") = "6"
    & skf18("1","7","4","3","6","4","1") = "6"
    & skf18("1","7","4","3","6","5","1") = "6"
    & skf18("1","7","4","3","6","6","1") = "6"
    & skf18("1","7","4","3","6","7","1") = "6"
    & skf18("1","7","4","3","6","8","1") = "7"
    & skf18("1","7","4","3","6","9","1") = "8"
    & skf18("1","7","4","3","6","10","1") = "9"
    & skf18("1","7","4","3","7","1","1") = "6"
    & skf18("1","7","4","3","7","2","1") = "6"
    & skf18("1","7","4","3","7","3","1") = "6"
    & skf18("1","7","4","3","7","4","1") = "6"
    & skf18("1","7","4","3","7","5","1") = "6"
    & skf18("1","7","4","3","7","6","1") = "6"
    & skf18("1","7","4","3","7","7","1") = "6"
    & skf18("1","7","4","3","7","8","1") = "7"
    & skf18("1","7","4","3","7","9","1") = "8"
    & skf18("1","7","4","3","7","10","1") = "9"
    & skf18("1","7","4","3","8","1","1") = "7"
    & skf18("1","7","4","3","8","2","1") = "7"
    & skf18("1","7","4","3","8","3","1") = "7"
    & skf18("1","7","4","3","8","4","1") = "7"
    & skf18("1","7","4","3","8","5","1") = "7"
    & skf18("1","7","4","3","8","6","1") = "7"
    & skf18("1","7","4","3","8","7","1") = "7"
    & skf18("1","7","4","3","8","8","1") = "7"
    & skf18("1","7","4","3","8","9","1") = "8"
    & skf18("1","7","4","3","8","10","1") = "9"
    & skf18("1","7","4","3","9","1","1") = "8"
    & skf18("1","7","4","3","9","2","1") = "8"
    & skf18("1","7","4","3","9","3","1") = "8"
    & skf18("1","7","4","3","9","4","1") = "8"
    & skf18("1","7","4","3","9","5","1") = "8"
    & skf18("1","7","4","3","9","6","1") = "8"
    & skf18("1","7","4","3","9","7","1") = "8"
    & skf18("1","7","4","3","9","8","1") = "8"
    & skf18("1","7","4","3","9","9","1") = "8"
    & skf18("1","7","4","3","9","10","1") = "9"
    & skf18("1","7","4","3","10","1","1") = "9"
    & skf18("1","7","4","3","10","2","1") = "9"
    & skf18("1","7","4","3","10","3","1") = "9"
    & skf18("1","7","4","3","10","4","1") = "9"
    & skf18("1","7","4","3","10","5","1") = "9"
    & skf18("1","7","4","3","10","6","1") = "9"
    & skf18("1","7","4","3","10","7","1") = "9"
    & skf18("1","7","4","3","10","8","1") = "9"
    & skf18("1","7","4","3","10","9","1") = "9"
    & skf18("1","7","4","3","10","10","1") = "9"
    & skf18("1","7","4","4","1","1","1") = "6"
    & skf18("1","7","4","4","1","2","1") = "6"
    & skf18("1","7","4","4","1","3","1") = "6"
    & skf18("1","7","4","4","1","4","1") = "6"
    & skf18("1","7","4","4","1","5","1") = "6"
    & skf18("1","7","4","4","1","6","1") = "6"
    & skf18("1","7","4","4","1","7","1") = "6"
    & skf18("1","7","4","4","1","8","1") = "7"
    & skf18("1","7","4","4","1","9","1") = "8"
    & skf18("1","7","4","4","1","10","1") = "9"
    & skf18("1","7","4","4","2","1","1") = "6"
    & skf18("1","7","4","4","2","2","1") = "6"
    & skf18("1","7","4","4","2","3","1") = "6"
    & skf18("1","7","4","4","2","4","1") = "6"
    & skf18("1","7","4","4","2","5","1") = "6"
    & skf18("1","7","4","4","2","6","1") = "6"
    & skf18("1","7","4","4","2","7","1") = "6"
    & skf18("1","7","4","4","2","8","1") = "7"
    & skf18("1","7","4","4","2","9","1") = "8"
    & skf18("1","7","4","4","2","10","1") = "9"
    & skf18("1","7","4","4","3","1","1") = "6"
    & skf18("1","7","4","4","3","2","1") = "6"
    & skf18("1","7","4","4","3","3","1") = "6"
    & skf18("1","7","4","4","3","4","1") = "6"
    & skf18("1","7","4","4","3","5","1") = "6"
    & skf18("1","7","4","4","3","6","1") = "6"
    & skf18("1","7","4","4","3","7","1") = "6"
    & skf18("1","7","4","4","3","8","1") = "7"
    & skf18("1","7","4","4","3","9","1") = "8"
    & skf18("1","7","4","4","3","10","1") = "9"
    & skf18("1","7","4","4","4","1","1") = "6"
    & skf18("1","7","4","4","4","2","1") = "6"
    & skf18("1","7","4","4","4","3","1") = "6"
    & skf18("1","7","4","4","4","4","1") = "6"
    & skf18("1","7","4","4","4","5","1") = "6"
    & skf18("1","7","4","4","4","6","1") = "6"
    & skf18("1","7","4","4","4","7","1") = "6"
    & skf18("1","7","4","4","4","8","1") = "7"
    & skf18("1","7","4","4","4","9","1") = "8"
    & skf18("1","7","4","4","4","10","1") = "9"
    & skf18("1","7","4","4","5","1","1") = "6"
    & skf18("1","7","4","4","5","2","1") = "6"
    & skf18("1","7","4","4","5","3","1") = "6"
    & skf18("1","7","4","4","5","4","1") = "6"
    & skf18("1","7","4","4","5","5","1") = "6"
    & skf18("1","7","4","4","5","6","1") = "6"
    & skf18("1","7","4","4","5","7","1") = "6"
    & skf18("1","7","4","4","5","8","1") = "7"
    & skf18("1","7","4","4","5","9","1") = "8"
    & skf18("1","7","4","4","5","10","1") = "9"
    & skf18("1","7","4","4","6","1","1") = "6"
    & skf18("1","7","4","4","6","2","1") = "6"
    & skf18("1","7","4","4","6","3","1") = "6"
    & skf18("1","7","4","4","6","4","1") = "6"
    & skf18("1","7","4","4","6","5","1") = "6"
    & skf18("1","7","4","4","6","6","1") = "6"
    & skf18("1","7","4","4","6","7","1") = "6"
    & skf18("1","7","4","4","6","8","1") = "7"
    & skf18("1","7","4","4","6","9","1") = "8"
    & skf18("1","7","4","4","6","10","1") = "9"
    & skf18("1","7","4","4","7","1","1") = "6"
    & skf18("1","7","4","4","7","2","1") = "6"
    & skf18("1","7","4","4","7","3","1") = "6"
    & skf18("1","7","4","4","7","4","1") = "6"
    & skf18("1","7","4","4","7","5","1") = "6"
    & skf18("1","7","4","4","7","6","1") = "6"
    & skf18("1","7","4","4","7","7","1") = "6"
    & skf18("1","7","4","4","7","8","1") = "7"
    & skf18("1","7","4","4","7","9","1") = "8"
    & skf18("1","7","4","4","7","10","1") = "9"
    & skf18("1","7","4","4","8","1","1") = "7"
    & skf18("1","7","4","4","8","2","1") = "7"
    & skf18("1","7","4","4","8","3","1") = "7"
    & skf18("1","7","4","4","8","4","1") = "7"
    & skf18("1","7","4","4","8","5","1") = "7"
    & skf18("1","7","4","4","8","6","1") = "7"
    & skf18("1","7","4","4","8","7","1") = "7"
    & skf18("1","7","4","4","8","8","1") = "7"
    & skf18("1","7","4","4","8","9","1") = "8"
    & skf18("1","7","4","4","8","10","1") = "9"
    & skf18("1","7","4","4","9","1","1") = "8"
    & skf18("1","7","4","4","9","2","1") = "8"
    & skf18("1","7","4","4","9","3","1") = "8"
    & skf18("1","7","4","4","9","4","1") = "8"
    & skf18("1","7","4","4","9","5","1") = "8"
    & skf18("1","7","4","4","9","6","1") = "8"
    & skf18("1","7","4","4","9","7","1") = "8"
    & skf18("1","7","4","4","9","8","1") = "8"
    & skf18("1","7","4","4","9","9","1") = "8"
    & skf18("1","7","4","4","9","10","1") = "9"
    & skf18("1","7","4","4","10","1","1") = "9"
    & skf18("1","7","4","4","10","2","1") = "9"
    & skf18("1","7","4","4","10","3","1") = "9"
    & skf18("1","7","4","4","10","4","1") = "9"
    & skf18("1","7","4","4","10","5","1") = "9"
    & skf18("1","7","4","4","10","6","1") = "9"
    & skf18("1","7","4","4","10","7","1") = "9"
    & skf18("1","7","4","4","10","8","1") = "9"
    & skf18("1","7","4","4","10","9","1") = "9"
    & skf18("1","7","4","4","10","10","1") = "9"
    & skf18("1","7","4","5","1","1","1") = "6"
    & skf18("1","7","4","5","1","2","1") = "6"
    & skf18("1","7","4","5","1","3","1") = "6"
    & skf18("1","7","4","5","1","4","1") = "6"
    & skf18("1","7","4","5","1","5","1") = "6"
    & skf18("1","7","4","5","1","6","1") = "6"
    & skf18("1","7","4","5","1","7","1") = "6"
    & skf18("1","7","4","5","1","8","1") = "7"
    & skf18("1","7","4","5","1","9","1") = "8"
    & skf18("1","7","4","5","1","10","1") = "9"
    & skf18("1","7","4","5","2","1","1") = "6"
    & skf18("1","7","4","5","2","2","1") = "6"
    & skf18("1","7","4","5","2","3","1") = "6"
    & skf18("1","7","4","5","2","4","1") = "6"
    & skf18("1","7","4","5","2","5","1") = "6"
    & skf18("1","7","4","5","2","6","1") = "6"
    & skf18("1","7","4","5","2","7","1") = "6"
    & skf18("1","7","4","5","2","8","1") = "7"
    & skf18("1","7","4","5","2","9","1") = "8"
    & skf18("1","7","4","5","2","10","1") = "9"
    & skf18("1","7","4","5","3","1","1") = "6"
    & skf18("1","7","4","5","3","2","1") = "6"
    & skf18("1","7","4","5","3","3","1") = "6"
    & skf18("1","7","4","5","3","4","1") = "6"
    & skf18("1","7","4","5","3","5","1") = "6"
    & skf18("1","7","4","5","3","6","1") = "6"
    & skf18("1","7","4","5","3","7","1") = "6"
    & skf18("1","7","4","5","3","8","1") = "7"
    & skf18("1","7","4","5","3","9","1") = "8"
    & skf18("1","7","4","5","3","10","1") = "9"
    & skf18("1","7","4","5","4","1","1") = "6"
    & skf18("1","7","4","5","4","2","1") = "6"
    & skf18("1","7","4","5","4","3","1") = "6"
    & skf18("1","7","4","5","4","4","1") = "6"
    & skf18("1","7","4","5","4","5","1") = "6"
    & skf18("1","7","4","5","4","6","1") = "6"
    & skf18("1","7","4","5","4","7","1") = "6"
    & skf18("1","7","4","5","4","8","1") = "7"
    & skf18("1","7","4","5","4","9","1") = "8"
    & skf18("1","7","4","5","4","10","1") = "9"
    & skf18("1","7","4","5","5","1","1") = "6"
    & skf18("1","7","4","5","5","2","1") = "6"
    & skf18("1","7","4","5","5","3","1") = "6"
    & skf18("1","7","4","5","5","4","1") = "6"
    & skf18("1","7","4","5","5","5","1") = "6"
    & skf18("1","7","4","5","5","6","1") = "6"
    & skf18("1","7","4","5","5","7","1") = "6"
    & skf18("1","7","4","5","5","8","1") = "7"
    & skf18("1","7","4","5","5","9","1") = "8"
    & skf18("1","7","4","5","5","10","1") = "9"
    & skf18("1","7","4","5","6","1","1") = "6"
    & skf18("1","7","4","5","6","2","1") = "6"
    & skf18("1","7","4","5","6","3","1") = "6"
    & skf18("1","7","4","5","6","4","1") = "6"
    & skf18("1","7","4","5","6","5","1") = "6"
    & skf18("1","7","4","5","6","6","1") = "6"
    & skf18("1","7","4","5","6","7","1") = "6"
    & skf18("1","7","4","5","6","8","1") = "7"
    & skf18("1","7","4","5","6","9","1") = "8"
    & skf18("1","7","4","5","6","10","1") = "9"
    & skf18("1","7","4","5","7","1","1") = "6"
    & skf18("1","7","4","5","7","2","1") = "6"
    & skf18("1","7","4","5","7","3","1") = "6"
    & skf18("1","7","4","5","7","4","1") = "6"
    & skf18("1","7","4","5","7","5","1") = "6"
    & skf18("1","7","4","5","7","6","1") = "6"
    & skf18("1","7","4","5","7","7","1") = "6"
    & skf18("1","7","4","5","7","8","1") = "7"
    & skf18("1","7","4","5","7","9","1") = "8"
    & skf18("1","7","4","5","7","10","1") = "9"
    & skf18("1","7","4","5","8","1","1") = "7"
    & skf18("1","7","4","5","8","2","1") = "7"
    & skf18("1","7","4","5","8","3","1") = "7"
    & skf18("1","7","4","5","8","4","1") = "7"
    & skf18("1","7","4","5","8","5","1") = "7"
    & skf18("1","7","4","5","8","6","1") = "7"
    & skf18("1","7","4","5","8","7","1") = "7"
    & skf18("1","7","4","5","8","8","1") = "7"
    & skf18("1","7","4","5","8","9","1") = "8"
    & skf18("1","7","4","5","8","10","1") = "9"
    & skf18("1","7","4","5","9","1","1") = "8"
    & skf18("1","7","4","5","9","2","1") = "8"
    & skf18("1","7","4","5","9","3","1") = "8"
    & skf18("1","7","4","5","9","4","1") = "8"
    & skf18("1","7","4","5","9","5","1") = "8"
    & skf18("1","7","4","5","9","6","1") = "8"
    & skf18("1","7","4","5","9","7","1") = "8"
    & skf18("1","7","4","5","9","8","1") = "8"
    & skf18("1","7","4","5","9","9","1") = "8"
    & skf18("1","7","4","5","9","10","1") = "9"
    & skf18("1","7","4","5","10","1","1") = "9"
    & skf18("1","7","4","5","10","2","1") = "9"
    & skf18("1","7","4","5","10","3","1") = "9"
    & skf18("1","7","4","5","10","4","1") = "9"
    & skf18("1","7","4","5","10","5","1") = "9"
    & skf18("1","7","4","5","10","6","1") = "9"
    & skf18("1","7","4","5","10","7","1") = "9"
    & skf18("1","7","4","5","10","8","1") = "9"
    & skf18("1","7","4","5","10","9","1") = "9"
    & skf18("1","7","4","5","10","10","1") = "9"
    & skf18("1","7","4","6","1","1","1") = "6"
    & skf18("1","7","4","6","1","2","1") = "6"
    & skf18("1","7","4","6","1","3","1") = "6"
    & skf18("1","7","4","6","1","4","1") = "6"
    & skf18("1","7","4","6","1","5","1") = "6"
    & skf18("1","7","4","6","1","6","1") = "6"
    & skf18("1","7","4","6","1","7","1") = "6"
    & skf18("1","7","4","6","1","8","1") = "7"
    & skf18("1","7","4","6","1","9","1") = "8"
    & skf18("1","7","4","6","1","10","1") = "9"
    & skf18("1","7","4","6","2","1","1") = "6"
    & skf18("1","7","4","6","2","2","1") = "6"
    & skf18("1","7","4","6","2","3","1") = "6"
    & skf18("1","7","4","6","2","4","1") = "6"
    & skf18("1","7","4","6","2","5","1") = "6"
    & skf18("1","7","4","6","2","6","1") = "6"
    & skf18("1","7","4","6","2","7","1") = "6"
    & skf18("1","7","4","6","2","8","1") = "7"
    & skf18("1","7","4","6","2","9","1") = "8"
    & skf18("1","7","4","6","2","10","1") = "9"
    & skf18("1","7","4","6","3","1","1") = "6"
    & skf18("1","7","4","6","3","2","1") = "6"
    & skf18("1","7","4","6","3","3","1") = "6"
    & skf18("1","7","4","6","3","4","1") = "6"
    & skf18("1","7","4","6","3","5","1") = "6"
    & skf18("1","7","4","6","3","6","1") = "6"
    & skf18("1","7","4","6","3","7","1") = "6"
    & skf18("1","7","4","6","3","8","1") = "7"
    & skf18("1","7","4","6","3","9","1") = "8"
    & skf18("1","7","4","6","3","10","1") = "9"
    & skf18("1","7","4","6","4","1","1") = "6"
    & skf18("1","7","4","6","4","2","1") = "6"
    & skf18("1","7","4","6","4","3","1") = "6"
    & skf18("1","7","4","6","4","4","1") = "6"
    & skf18("1","7","4","6","4","5","1") = "6"
    & skf18("1","7","4","6","4","6","1") = "6"
    & skf18("1","7","4","6","4","7","1") = "6"
    & skf18("1","7","4","6","4","8","1") = "7"
    & skf18("1","7","4","6","4","9","1") = "8"
    & skf18("1","7","4","6","4","10","1") = "9"
    & skf18("1","7","4","6","5","1","1") = "6"
    & skf18("1","7","4","6","5","2","1") = "6"
    & skf18("1","7","4","6","5","3","1") = "6"
    & skf18("1","7","4","6","5","4","1") = "6"
    & skf18("1","7","4","6","5","5","1") = "6"
    & skf18("1","7","4","6","5","6","1") = "6"
    & skf18("1","7","4","6","5","7","1") = "6"
    & skf18("1","7","4","6","5","8","1") = "7"
    & skf18("1","7","4","6","5","9","1") = "8"
    & skf18("1","7","4","6","5","10","1") = "9"
    & skf18("1","7","4","6","6","1","1") = "6"
    & skf18("1","7","4","6","6","2","1") = "6"
    & skf18("1","7","4","6","6","3","1") = "6"
    & skf18("1","7","4","6","6","4","1") = "6"
    & skf18("1","7","4","6","6","5","1") = "6"
    & skf18("1","7","4","6","6","6","1") = "6"
    & skf18("1","7","4","6","6","7","1") = "6"
    & skf18("1","7","4","6","6","8","1") = "7"
    & skf18("1","7","4","6","6","9","1") = "8"
    & skf18("1","7","4","6","6","10","1") = "9"
    & skf18("1","7","4","6","7","1","1") = "6"
    & skf18("1","7","4","6","7","2","1") = "6"
    & skf18("1","7","4","6","7","3","1") = "6"
    & skf18("1","7","4","6","7","4","1") = "6"
    & skf18("1","7","4","6","7","5","1") = "6"
    & skf18("1","7","4","6","7","6","1") = "6"
    & skf18("1","7","4","6","7","7","1") = "6"
    & skf18("1","7","4","6","7","8","1") = "7"
    & skf18("1","7","4","6","7","9","1") = "8"
    & skf18("1","7","4","6","7","10","1") = "9"
    & skf18("1","7","4","6","8","1","1") = "7"
    & skf18("1","7","4","6","8","2","1") = "7"
    & skf18("1","7","4","6","8","3","1") = "7"
    & skf18("1","7","4","6","8","4","1") = "7"
    & skf18("1","7","4","6","8","5","1") = "7"
    & skf18("1","7","4","6","8","6","1") = "7"
    & skf18("1","7","4","6","8","7","1") = "7"
    & skf18("1","7","4","6","8","8","1") = "7"
    & skf18("1","7","4","6","8","9","1") = "8"
    & skf18("1","7","4","6","8","10","1") = "9"
    & skf18("1","7","4","6","9","1","1") = "8"
    & skf18("1","7","4","6","9","2","1") = "8"
    & skf18("1","7","4","6","9","3","1") = "8"
    & skf18("1","7","4","6","9","4","1") = "8"
    & skf18("1","7","4","6","9","5","1") = "8"
    & skf18("1","7","4","6","9","6","1") = "8"
    & skf18("1","7","4","6","9","7","1") = "8"
    & skf18("1","7","4","6","9","8","1") = "8"
    & skf18("1","7","4","6","9","9","1") = "8"
    & skf18("1","7","4","6","9","10","1") = "9"
    & skf18("1","7","4","6","10","1","1") = "9"
    & skf18("1","7","4","6","10","2","1") = "9"
    & skf18("1","7","4","6","10","3","1") = "9"
    & skf18("1","7","4","6","10","4","1") = "9"
    & skf18("1","7","4","6","10","5","1") = "9"
    & skf18("1","7","4","6","10","6","1") = "9"
    & skf18("1","7","4","6","10","7","1") = "9"
    & skf18("1","7","4","6","10","8","1") = "9"
    & skf18("1","7","4","6","10","9","1") = "9"
    & skf18("1","7","4","6","10","10","1") = "9"
    & skf18("1","7","4","7","1","1","1") = "6"
    & skf18("1","7","4","7","1","2","1") = "6"
    & skf18("1","7","4","7","1","3","1") = "6"
    & skf18("1","7","4","7","1","4","1") = "6"
    & skf18("1","7","4","7","1","5","1") = "6"
    & skf18("1","7","4","7","1","6","1") = "6"
    & skf18("1","7","4","7","1","7","1") = "6"
    & skf18("1","7","4","7","1","8","1") = "7"
    & skf18("1","7","4","7","1","9","1") = "8"
    & skf18("1","7","4","7","1","10","1") = "9"
    & skf18("1","7","4","7","2","1","1") = "6"
    & skf18("1","7","4","7","2","2","1") = "6"
    & skf18("1","7","4","7","2","3","1") = "6"
    & skf18("1","7","4","7","2","4","1") = "6"
    & skf18("1","7","4","7","2","5","1") = "6"
    & skf18("1","7","4","7","2","6","1") = "6"
    & skf18("1","7","4","7","2","7","1") = "6"
    & skf18("1","7","4","7","2","8","1") = "7"
    & skf18("1","7","4","7","2","9","1") = "8"
    & skf18("1","7","4","7","2","10","1") = "9"
    & skf18("1","7","4","7","3","1","1") = "6"
    & skf18("1","7","4","7","3","2","1") = "6"
    & skf18("1","7","4","7","3","3","1") = "6"
    & skf18("1","7","4","7","3","4","1") = "6"
    & skf18("1","7","4","7","3","5","1") = "6"
    & skf18("1","7","4","7","3","6","1") = "6"
    & skf18("1","7","4","7","3","7","1") = "6"
    & skf18("1","7","4","7","3","8","1") = "7"
    & skf18("1","7","4","7","3","9","1") = "8"
    & skf18("1","7","4","7","3","10","1") = "9"
    & skf18("1","7","4","7","4","1","1") = "6"
    & skf18("1","7","4","7","4","2","1") = "6"
    & skf18("1","7","4","7","4","3","1") = "6"
    & skf18("1","7","4","7","4","4","1") = "6"
    & skf18("1","7","4","7","4","5","1") = "6"
    & skf18("1","7","4","7","4","6","1") = "6"
    & skf18("1","7","4","7","4","7","1") = "6"
    & skf18("1","7","4","7","4","8","1") = "7"
    & skf18("1","7","4","7","4","9","1") = "8"
    & skf18("1","7","4","7","4","10","1") = "9"
    & skf18("1","7","4","7","5","1","1") = "6"
    & skf18("1","7","4","7","5","2","1") = "6"
    & skf18("1","7","4","7","5","3","1") = "6"
    & skf18("1","7","4","7","5","4","1") = "6"
    & skf18("1","7","4","7","5","5","1") = "6"
    & skf18("1","7","4","7","5","6","1") = "6"
    & skf18("1","7","4","7","5","7","1") = "6"
    & skf18("1","7","4","7","5","8","1") = "7"
    & skf18("1","7","4","7","5","9","1") = "8"
    & skf18("1","7","4","7","5","10","1") = "9"
    & skf18("1","7","4","7","6","1","1") = "6"
    & skf18("1","7","4","7","6","2","1") = "6"
    & skf18("1","7","4","7","6","3","1") = "6"
    & skf18("1","7","4","7","6","4","1") = "6"
    & skf18("1","7","4","7","6","5","1") = "6"
    & skf18("1","7","4","7","6","6","1") = "6"
    & skf18("1","7","4","7","6","7","1") = "6"
    & skf18("1","7","4","7","6","8","1") = "7"
    & skf18("1","7","4","7","6","9","1") = "8"
    & skf18("1","7","4","7","6","10","1") = "9"
    & skf18("1","7","4","7","7","1","1") = "6"
    & skf18("1","7","4","7","7","2","1") = "6"
    & skf18("1","7","4","7","7","3","1") = "6"
    & skf18("1","7","4","7","7","4","1") = "6"
    & skf18("1","7","4","7","7","5","1") = "6"
    & skf18("1","7","4","7","7","6","1") = "6"
    & skf18("1","7","4","7","7","7","1") = "6"
    & skf18("1","7","4","7","7","8","1") = "7"
    & skf18("1","7","4","7","7","9","1") = "8"
    & skf18("1","7","4","7","7","10","1") = "9"
    & skf18("1","7","4","7","8","1","1") = "7"
    & skf18("1","7","4","7","8","2","1") = "7"
    & skf18("1","7","4","7","8","3","1") = "7"
    & skf18("1","7","4","7","8","4","1") = "7"
    & skf18("1","7","4","7","8","5","1") = "7"
    & skf18("1","7","4","7","8","6","1") = "7"
    & skf18("1","7","4","7","8","7","1") = "7"
    & skf18("1","7","4","7","8","8","1") = "7"
    & skf18("1","7","4","7","8","9","1") = "8"
    & skf18("1","7","4","7","8","10","1") = "9"
    & skf18("1","7","4","7","9","1","1") = "8"
    & skf18("1","7","4","7","9","2","1") = "8"
    & skf18("1","7","4","7","9","3","1") = "8"
    & skf18("1","7","4","7","9","4","1") = "8"
    & skf18("1","7","4","7","9","5","1") = "8"
    & skf18("1","7","4","7","9","6","1") = "8"
    & skf18("1","7","4","7","9","7","1") = "8"
    & skf18("1","7","4","7","9","8","1") = "8"
    & skf18("1","7","4","7","9","9","1") = "8"
    & skf18("1","7","4","7","9","10","1") = "9"
    & skf18("1","7","4","7","10","1","1") = "9"
    & skf18("1","7","4","7","10","2","1") = "9"
    & skf18("1","7","4","7","10","3","1") = "9"
    & skf18("1","7","4","7","10","4","1") = "9"
    & skf18("1","7","4","7","10","5","1") = "9"
    & skf18("1","7","4","7","10","6","1") = "9"
    & skf18("1","7","4","7","10","7","1") = "9"
    & skf18("1","7","4","7","10","8","1") = "9"
    & skf18("1","7","4","7","10","9","1") = "9"
    & skf18("1","7","4","7","10","10","1") = "9"
    & skf18("1","7","4","8","1","1","1") = "7"
    & skf18("1","7","4","8","1","2","1") = "7"
    & skf18("1","7","4","8","1","3","1") = "7"
    & skf18("1","7","4","8","1","4","1") = "7"
    & skf18("1","7","4","8","1","5","1") = "7"
    & skf18("1","7","4","8","1","6","1") = "7"
    & skf18("1","7","4","8","1","7","1") = "7"
    & skf18("1","7","4","8","1","8","1") = "7"
    & skf18("1","7","4","8","1","9","1") = "8"
    & skf18("1","7","4","8","1","10","1") = "9"
    & skf18("1","7","4","8","2","1","1") = "7"
    & skf18("1","7","4","8","2","2","1") = "7"
    & skf18("1","7","4","8","2","3","1") = "7"
    & skf18("1","7","4","8","2","4","1") = "7"
    & skf18("1","7","4","8","2","5","1") = "7"
    & skf18("1","7","4","8","2","6","1") = "7"
    & skf18("1","7","4","8","2","7","1") = "7"
    & skf18("1","7","4","8","2","8","1") = "7"
    & skf18("1","7","4","8","2","9","1") = "8"
    & skf18("1","7","4","8","2","10","1") = "9"
    & skf18("1","7","4","8","3","1","1") = "7"
    & skf18("1","7","4","8","3","2","1") = "7"
    & skf18("1","7","4","8","3","3","1") = "7"
    & skf18("1","7","4","8","3","4","1") = "7"
    & skf18("1","7","4","8","3","5","1") = "7"
    & skf18("1","7","4","8","3","6","1") = "7"
    & skf18("1","7","4","8","3","7","1") = "7"
    & skf18("1","7","4","8","3","8","1") = "7"
    & skf18("1","7","4","8","3","9","1") = "8"
    & skf18("1","7","4","8","3","10","1") = "9"
    & skf18("1","7","4","8","4","1","1") = "7"
    & skf18("1","7","4","8","4","2","1") = "7"
    & skf18("1","7","4","8","4","3","1") = "7"
    & skf18("1","7","4","8","4","4","1") = "7"
    & skf18("1","7","4","8","4","5","1") = "7"
    & skf18("1","7","4","8","4","6","1") = "7"
    & skf18("1","7","4","8","4","7","1") = "7"
    & skf18("1","7","4","8","4","8","1") = "7"
    & skf18("1","7","4","8","4","9","1") = "8"
    & skf18("1","7","4","8","4","10","1") = "9"
    & skf18("1","7","4","8","5","1","1") = "7"
    & skf18("1","7","4","8","5","2","1") = "7"
    & skf18("1","7","4","8","5","3","1") = "7"
    & skf18("1","7","4","8","5","4","1") = "7"
    & skf18("1","7","4","8","5","5","1") = "7"
    & skf18("1","7","4","8","5","6","1") = "7"
    & skf18("1","7","4","8","5","7","1") = "7"
    & skf18("1","7","4","8","5","8","1") = "7"
    & skf18("1","7","4","8","5","9","1") = "8"
    & skf18("1","7","4","8","5","10","1") = "9"
    & skf18("1","7","4","8","6","1","1") = "7"
    & skf18("1","7","4","8","6","2","1") = "7"
    & skf18("1","7","4","8","6","3","1") = "7"
    & skf18("1","7","4","8","6","4","1") = "7"
    & skf18("1","7","4","8","6","5","1") = "7"
    & skf18("1","7","4","8","6","6","1") = "7"
    & skf18("1","7","4","8","6","7","1") = "7"
    & skf18("1","7","4","8","6","8","1") = "7"
    & skf18("1","7","4","8","6","9","1") = "8"
    & skf18("1","7","4","8","6","10","1") = "9"
    & skf18("1","7","4","8","7","1","1") = "7"
    & skf18("1","7","4","8","7","2","1") = "7"
    & skf18("1","7","4","8","7","3","1") = "7"
    & skf18("1","7","4","8","7","4","1") = "7"
    & skf18("1","7","4","8","7","5","1") = "7"
    & skf18("1","7","4","8","7","6","1") = "7"
    & skf18("1","7","4","8","7","7","1") = "7"
    & skf18("1","7","4","8","7","8","1") = "7"
    & skf18("1","7","4","8","7","9","1") = "8"
    & skf18("1","7","4","8","7","10","1") = "9"
    & skf18("1","7","4","8","8","1","1") = "7"
    & skf18("1","7","4","8","8","2","1") = "7"
    & skf18("1","7","4","8","8","3","1") = "7"
    & skf18("1","7","4","8","8","4","1") = "7"
    & skf18("1","7","4","8","8","5","1") = "7"
    & skf18("1","7","4","8","8","6","1") = "7"
    & skf18("1","7","4","8","8","7","1") = "7"
    & skf18("1","7","4","8","8","8","1") = "7"
    & skf18("1","7","4","8","8","9","1") = "8"
    & skf18("1","7","4","8","8","10","1") = "9"
    & skf18("1","7","4","8","9","1","1") = "8"
    & skf18("1","7","4","8","9","2","1") = "8"
    & skf18("1","7","4","8","9","3","1") = "8"
    & skf18("1","7","4","8","9","4","1") = "8"
    & skf18("1","7","4","8","9","5","1") = "8"
    & skf18("1","7","4","8","9","6","1") = "8"
    & skf18("1","7","4","8","9","7","1") = "8"
    & skf18("1","7","4","8","9","8","1") = "8"
    & skf18("1","7","4","8","9","9","1") = "8"
    & skf18("1","7","4","8","9","10","1") = "9"
    & skf18("1","7","4","8","10","1","1") = "9"
    & skf18("1","7","4","8","10","2","1") = "9"
    & skf18("1","7","4","8","10","3","1") = "9"
    & skf18("1","7","4","8","10","4","1") = "9"
    & skf18("1","7","4","8","10","5","1") = "9"
    & skf18("1","7","4","8","10","6","1") = "9"
    & skf18("1","7","4","8","10","7","1") = "9"
    & skf18("1","7","4","8","10","8","1") = "9"
    & skf18("1","7","4","8","10","9","1") = "9"
    & skf18("1","7","4","8","10","10","1") = "9"
    & skf18("1","7","4","9","1","1","1") = "8"
    & skf18("1","7","4","9","1","2","1") = "8"
    & skf18("1","7","4","9","1","3","1") = "8"
    & skf18("1","7","4","9","1","4","1") = "8"
    & skf18("1","7","4","9","1","5","1") = "8"
    & skf18("1","7","4","9","1","6","1") = "8"
    & skf18("1","7","4","9","1","7","1") = "8"
    & skf18("1","7","4","9","1","8","1") = "8"
    & skf18("1","7","4","9","1","9","1") = "8"
    & skf18("1","7","4","9","1","10","1") = "9"
    & skf18("1","7","4","9","2","1","1") = "8"
    & skf18("1","7","4","9","2","2","1") = "8"
    & skf18("1","7","4","9","2","3","1") = "8"
    & skf18("1","7","4","9","2","4","1") = "8"
    & skf18("1","7","4","9","2","5","1") = "8"
    & skf18("1","7","4","9","2","6","1") = "8"
    & skf18("1","7","4","9","2","7","1") = "8"
    & skf18("1","7","4","9","2","8","1") = "8"
    & skf18("1","7","4","9","2","9","1") = "8"
    & skf18("1","7","4","9","2","10","1") = "9"
    & skf18("1","7","4","9","3","1","1") = "8"
    & skf18("1","7","4","9","3","2","1") = "8"
    & skf18("1","7","4","9","3","3","1") = "8"
    & skf18("1","7","4","9","3","4","1") = "8"
    & skf18("1","7","4","9","3","5","1") = "8"
    & skf18("1","7","4","9","3","6","1") = "8"
    & skf18("1","7","4","9","3","7","1") = "8"
    & skf18("1","7","4","9","3","8","1") = "8"
    & skf18("1","7","4","9","3","9","1") = "8"
    & skf18("1","7","4","9","3","10","1") = "9"
    & skf18("1","7","4","9","4","1","1") = "8"
    & skf18("1","7","4","9","4","2","1") = "8"
    & skf18("1","7","4","9","4","3","1") = "8"
    & skf18("1","7","4","9","4","4","1") = "8"
    & skf18("1","7","4","9","4","5","1") = "8"
    & skf18("1","7","4","9","4","6","1") = "8"
    & skf18("1","7","4","9","4","7","1") = "8"
    & skf18("1","7","4","9","4","8","1") = "8"
    & skf18("1","7","4","9","4","9","1") = "8"
    & skf18("1","7","4","9","4","10","1") = "9"
    & skf18("1","7","4","9","5","1","1") = "8"
    & skf18("1","7","4","9","5","2","1") = "8"
    & skf18("1","7","4","9","5","3","1") = "8"
    & skf18("1","7","4","9","5","4","1") = "8"
    & skf18("1","7","4","9","5","5","1") = "8"
    & skf18("1","7","4","9","5","6","1") = "8"
    & skf18("1","7","4","9","5","7","1") = "8"
    & skf18("1","7","4","9","5","8","1") = "8"
    & skf18("1","7","4","9","5","9","1") = "8"
    & skf18("1","7","4","9","5","10","1") = "9"
    & skf18("1","7","4","9","6","1","1") = "8"
    & skf18("1","7","4","9","6","2","1") = "8"
    & skf18("1","7","4","9","6","3","1") = "8"
    & skf18("1","7","4","9","6","4","1") = "8"
    & skf18("1","7","4","9","6","5","1") = "8"
    & skf18("1","7","4","9","6","6","1") = "8"
    & skf18("1","7","4","9","6","7","1") = "8"
    & skf18("1","7","4","9","6","8","1") = "8"
    & skf18("1","7","4","9","6","9","1") = "8"
    & skf18("1","7","4","9","6","10","1") = "9"
    & skf18("1","7","4","9","7","1","1") = "8"
    & skf18("1","7","4","9","7","2","1") = "8"
    & skf18("1","7","4","9","7","3","1") = "8"
    & skf18("1","7","4","9","7","4","1") = "8"
    & skf18("1","7","4","9","7","5","1") = "8"
    & skf18("1","7","4","9","7","6","1") = "8"
    & skf18("1","7","4","9","7","7","1") = "8"
    & skf18("1","7","4","9","7","8","1") = "8"
    & skf18("1","7","4","9","7","9","1") = "8"
    & skf18("1","7","4","9","7","10","1") = "9"
    & skf18("1","7","4","9","8","1","1") = "8"
    & skf18("1","7","4","9","8","2","1") = "8"
    & skf18("1","7","4","9","8","3","1") = "8"
    & skf18("1","7","4","9","8","4","1") = "8"
    & skf18("1","7","4","9","8","5","1") = "8"
    & skf18("1","7","4","9","8","6","1") = "8"
    & skf18("1","7","4","9","8","7","1") = "8"
    & skf18("1","7","4","9","8","8","1") = "8"
    & skf18("1","7","4","9","8","9","1") = "8"
    & skf18("1","7","4","9","8","10","1") = "9"
    & skf18("1","7","4","9","9","1","1") = "8"
    & skf18("1","7","4","9","9","2","1") = "8"
    & skf18("1","7","4","9","9","3","1") = "8"
    & skf18("1","7","4","9","9","4","1") = "8"
    & skf18("1","7","4","9","9","5","1") = "8"
    & skf18("1","7","4","9","9","6","1") = "8"
    & skf18("1","7","4","9","9","7","1") = "8"
    & skf18("1","7","4","9","9","8","1") = "8"
    & skf18("1","7","4","9","9","9","1") = "8"
    & skf18("1","7","4","9","9","10","1") = "9"
    & skf18("1","7","4","9","10","1","1") = "9"
    & skf18("1","7","4","9","10","2","1") = "9"
    & skf18("1","7","4","9","10","3","1") = "9"
    & skf18("1","7","4","9","10","4","1") = "9"
    & skf18("1","7","4","9","10","5","1") = "9"
    & skf18("1","7","4","9","10","6","1") = "9"
    & skf18("1","7","4","9","10","7","1") = "9"
    & skf18("1","7","4","9","10","8","1") = "9"
    & skf18("1","7","4","9","10","9","1") = "9"
    & skf18("1","7","4","9","10","10","1") = "9"
    & skf18("1","7","4","10","1","1","1") = "9"
    & skf18("1","7","4","10","1","2","1") = "9"
    & skf18("1","7","4","10","1","3","1") = "9"
    & skf18("1","7","4","10","1","4","1") = "9"
    & skf18("1","7","4","10","1","5","1") = "9"
    & skf18("1","7","4","10","1","6","1") = "9"
    & skf18("1","7","4","10","1","7","1") = "9"
    & skf18("1","7","4","10","1","8","1") = "9"
    & skf18("1","7","4","10","1","9","1") = "9"
    & skf18("1","7","4","10","1","10","1") = "9"
    & skf18("1","7","4","10","2","1","1") = "9"
    & skf18("1","7","4","10","2","2","1") = "9"
    & skf18("1","7","4","10","2","3","1") = "9"
    & skf18("1","7","4","10","2","4","1") = "9"
    & skf18("1","7","4","10","2","5","1") = "9"
    & skf18("1","7","4","10","2","6","1") = "9"
    & skf18("1","7","4","10","2","7","1") = "9"
    & skf18("1","7","4","10","2","8","1") = "9"
    & skf18("1","7","4","10","2","9","1") = "9"
    & skf18("1","7","4","10","2","10","1") = "9"
    & skf18("1","7","4","10","3","1","1") = "9"
    & skf18("1","7","4","10","3","2","1") = "9"
    & skf18("1","7","4","10","3","3","1") = "9"
    & skf18("1","7","4","10","3","4","1") = "9"
    & skf18("1","7","4","10","3","5","1") = "9"
    & skf18("1","7","4","10","3","6","1") = "9"
    & skf18("1","7","4","10","3","7","1") = "9"
    & skf18("1","7","4","10","3","8","1") = "9"
    & skf18("1","7","4","10","3","9","1") = "9"
    & skf18("1","7","4","10","3","10","1") = "9"
    & skf18("1","7","4","10","4","1","1") = "9"
    & skf18("1","7","4","10","4","2","1") = "9"
    & skf18("1","7","4","10","4","3","1") = "9"
    & skf18("1","7","4","10","4","4","1") = "9"
    & skf18("1","7","4","10","4","5","1") = "9"
    & skf18("1","7","4","10","4","6","1") = "9"
    & skf18("1","7","4","10","4","7","1") = "9"
    & skf18("1","7","4","10","4","8","1") = "9"
    & skf18("1","7","4","10","4","9","1") = "9"
    & skf18("1","7","4","10","4","10","1") = "9"
    & skf18("1","7","4","10","5","1","1") = "9"
    & skf18("1","7","4","10","5","2","1") = "9"
    & skf18("1","7","4","10","5","3","1") = "9"
    & skf18("1","7","4","10","5","4","1") = "9"
    & skf18("1","7","4","10","5","5","1") = "9"
    & skf18("1","7","4","10","5","6","1") = "9"
    & skf18("1","7","4","10","5","7","1") = "9"
    & skf18("1","7","4","10","5","8","1") = "9"
    & skf18("1","7","4","10","5","9","1") = "9"
    & skf18("1","7","4","10","5","10","1") = "9"
    & skf18("1","7","4","10","6","1","1") = "9"
    & skf18("1","7","4","10","6","2","1") = "9"
    & skf18("1","7","4","10","6","3","1") = "9"
    & skf18("1","7","4","10","6","4","1") = "9"
    & skf18("1","7","4","10","6","5","1") = "9"
    & skf18("1","7","4","10","6","6","1") = "9"
    & skf18("1","7","4","10","6","7","1") = "9"
    & skf18("1","7","4","10","6","8","1") = "9"
    & skf18("1","7","4","10","6","9","1") = "9"
    & skf18("1","7","4","10","6","10","1") = "9"
    & skf18("1","7","4","10","7","1","1") = "9"
    & skf18("1","7","4","10","7","2","1") = "9"
    & skf18("1","7","4","10","7","3","1") = "9"
    & skf18("1","7","4","10","7","4","1") = "9"
    & skf18("1","7","4","10","7","5","1") = "9"
    & skf18("1","7","4","10","7","6","1") = "9"
    & skf18("1","7","4","10","7","7","1") = "9"
    & skf18("1","7","4","10","7","8","1") = "9"
    & skf18("1","7","4","10","7","9","1") = "9"
    & skf18("1","7","4","10","7","10","1") = "9"
    & skf18("1","7","4","10","8","1","1") = "9"
    & skf18("1","7","4","10","8","2","1") = "9"
    & skf18("1","7","4","10","8","3","1") = "9"
    & skf18("1","7","4","10","8","4","1") = "9"
    & skf18("1","7","4","10","8","5","1") = "9"
    & skf18("1","7","4","10","8","6","1") = "9"
    & skf18("1","7","4","10","8","7","1") = "9"
    & skf18("1","7","4","10","8","8","1") = "9"
    & skf18("1","7","4","10","8","9","1") = "9"
    & skf18("1","7","4","10","8","10","1") = "9"
    & skf18("1","7","4","10","9","1","1") = "9"
    & skf18("1","7","4","10","9","2","1") = "9"
    & skf18("1","7","4","10","9","3","1") = "9"
    & skf18("1","7","4","10","9","4","1") = "9"
    & skf18("1","7","4","10","9","5","1") = "9"
    & skf18("1","7","4","10","9","6","1") = "9"
    & skf18("1","7","4","10","9","7","1") = "9"
    & skf18("1","7","4","10","9","8","1") = "9"
    & skf18("1","7","4","10","9","9","1") = "9"
    & skf18("1","7","4","10","9","10","1") = "9"
    & skf18("1","7","4","10","10","1","1") = "9"
    & skf18("1","7","4","10","10","2","1") = "9"
    & skf18("1","7","4","10","10","3","1") = "9"
    & skf18("1","7","4","10","10","4","1") = "9"
    & skf18("1","7","4","10","10","5","1") = "9"
    & skf18("1","7","4","10","10","6","1") = "9"
    & skf18("1","7","4","10","10","7","1") = "9"
    & skf18("1","7","4","10","10","8","1") = "9"
    & skf18("1","7","4","10","10","9","1") = "9"
    & skf18("1","7","4","10","10","10","1") = "9"
    & skf18("1","7","5","1","1","1","1") = "6"
    & skf18("1","7","5","1","1","2","1") = "6"
    & skf18("1","7","5","1","1","3","1") = "6"
    & skf18("1","7","5","1","1","4","1") = "6"
    & skf18("1","7","5","1","1","5","1") = "6"
    & skf18("1","7","5","1","1","6","1") = "6"
    & skf18("1","7","5","1","1","7","1") = "6"
    & skf18("1","7","5","1","1","8","1") = "7"
    & skf18("1","7","5","1","1","9","1") = "8"
    & skf18("1","7","5","1","1","10","1") = "9"
    & skf18("1","7","5","1","2","1","1") = "6"
    & skf18("1","7","5","1","2","2","1") = "6"
    & skf18("1","7","5","1","2","3","1") = "6"
    & skf18("1","7","5","1","2","4","1") = "6"
    & skf18("1","7","5","1","2","5","1") = "6"
    & skf18("1","7","5","1","2","6","1") = "6"
    & skf18("1","7","5","1","2","7","1") = "6"
    & skf18("1","7","5","1","2","8","1") = "7"
    & skf18("1","7","5","1","2","9","1") = "8"
    & skf18("1","7","5","1","2","10","1") = "9"
    & skf18("1","7","5","1","3","1","1") = "6"
    & skf18("1","7","5","1","3","2","1") = "6"
    & skf18("1","7","5","1","3","3","1") = "6"
    & skf18("1","7","5","1","3","4","1") = "6"
    & skf18("1","7","5","1","3","5","1") = "6"
    & skf18("1","7","5","1","3","6","1") = "6"
    & skf18("1","7","5","1","3","7","1") = "6"
    & skf18("1","7","5","1","3","8","1") = "7"
    & skf18("1","7","5","1","3","9","1") = "8"
    & skf18("1","7","5","1","3","10","1") = "9"
    & skf18("1","7","5","1","4","1","1") = "6"
    & skf18("1","7","5","1","4","2","1") = "6"
    & skf18("1","7","5","1","4","3","1") = "6"
    & skf18("1","7","5","1","4","4","1") = "6"
    & skf18("1","7","5","1","4","5","1") = "6"
    & skf18("1","7","5","1","4","6","1") = "6"
    & skf18("1","7","5","1","4","7","1") = "6"
    & skf18("1","7","5","1","4","8","1") = "7"
    & skf18("1","7","5","1","4","9","1") = "8"
    & skf18("1","7","5","1","4","10","1") = "9"
    & skf18("1","7","5","1","5","1","1") = "6"
    & skf18("1","7","5","1","5","2","1") = "6"
    & skf18("1","7","5","1","5","3","1") = "6"
    & skf18("1","7","5","1","5","4","1") = "6"
    & skf18("1","7","5","1","5","5","1") = "6"
    & skf18("1","7","5","1","5","6","1") = "6"
    & skf18("1","7","5","1","5","7","1") = "6"
    & skf18("1","7","5","1","5","8","1") = "7"
    & skf18("1","7","5","1","5","9","1") = "8"
    & skf18("1","7","5","1","5","10","1") = "9"
    & skf18("1","7","5","1","6","1","1") = "6"
    & skf18("1","7","5","1","6","2","1") = "6"
    & skf18("1","7","5","1","6","3","1") = "6"
    & skf18("1","7","5","1","6","4","1") = "6"
    & skf18("1","7","5","1","6","5","1") = "6"
    & skf18("1","7","5","1","6","6","1") = "6"
    & skf18("1","7","5","1","6","7","1") = "6"
    & skf18("1","7","5","1","6","8","1") = "7"
    & skf18("1","7","5","1","6","9","1") = "8"
    & skf18("1","7","5","1","6","10","1") = "9"
    & skf18("1","7","5","1","7","1","1") = "6"
    & skf18("1","7","5","1","7","2","1") = "6"
    & skf18("1","7","5","1","7","3","1") = "6"
    & skf18("1","7","5","1","7","4","1") = "6"
    & skf18("1","7","5","1","7","5","1") = "6"
    & skf18("1","7","5","1","7","6","1") = "6"
    & skf18("1","7","5","1","7","7","1") = "6"
    & skf18("1","7","5","1","7","8","1") = "7"
    & skf18("1","7","5","1","7","9","1") = "8"
    & skf18("1","7","5","1","7","10","1") = "9"
    & skf18("1","7","5","1","8","1","1") = "7"
    & skf18("1","7","5","1","8","2","1") = "7"
    & skf18("1","7","5","1","8","3","1") = "7"
    & skf18("1","7","5","1","8","4","1") = "7"
    & skf18("1","7","5","1","8","5","1") = "7"
    & skf18("1","7","5","1","8","6","1") = "7"
    & skf18("1","7","5","1","8","7","1") = "7"
    & skf18("1","7","5","1","8","8","1") = "7"
    & skf18("1","7","5","1","8","9","1") = "8"
    & skf18("1","7","5","1","8","10","1") = "9"
    & skf18("1","7","5","1","9","1","1") = "8"
    & skf18("1","7","5","1","9","2","1") = "8"
    & skf18("1","7","5","1","9","3","1") = "8"
    & skf18("1","7","5","1","9","4","1") = "8"
    & skf18("1","7","5","1","9","5","1") = "8"
    & skf18("1","7","5","1","9","6","1") = "8"
    & skf18("1","7","5","1","9","7","1") = "8"
    & skf18("1","7","5","1","9","8","1") = "8"
    & skf18("1","7","5","1","9","9","1") = "8"
    & skf18("1","7","5","1","9","10","1") = "9"
    & skf18("1","7","5","1","10","1","1") = "9"
    & skf18("1","7","5","1","10","2","1") = "9"
    & skf18("1","7","5","1","10","3","1") = "9"
    & skf18("1","7","5","1","10","4","1") = "9"
    & skf18("1","7","5","1","10","5","1") = "9"
    & skf18("1","7","5","1","10","6","1") = "9"
    & skf18("1","7","5","1","10","7","1") = "9"
    & skf18("1","7","5","1","10","8","1") = "9"
    & skf18("1","7","5","1","10","9","1") = "9"
    & skf18("1","7","5","1","10","10","1") = "9"
    & skf18("1","7","5","2","1","1","1") = "6"
    & skf18("1","7","5","2","1","2","1") = "6"
    & skf18("1","7","5","2","1","3","1") = "6"
    & skf18("1","7","5","2","1","4","1") = "6"
    & skf18("1","7","5","2","1","5","1") = "6"
    & skf18("1","7","5","2","1","6","1") = "6"
    & skf18("1","7","5","2","1","7","1") = "6"
    & skf18("1","7","5","2","1","8","1") = "7"
    & skf18("1","7","5","2","1","9","1") = "8"
    & skf18("1","7","5","2","1","10","1") = "9"
    & skf18("1","7","5","2","2","1","1") = "6"
    & skf18("1","7","5","2","2","2","1") = "6"
    & skf18("1","7","5","2","2","3","1") = "6"
    & skf18("1","7","5","2","2","4","1") = "6"
    & skf18("1","7","5","2","2","5","1") = "6"
    & skf18("1","7","5","2","2","6","1") = "6"
    & skf18("1","7","5","2","2","7","1") = "6"
    & skf18("1","7","5","2","2","8","1") = "7"
    & skf18("1","7","5","2","2","9","1") = "8"
    & skf18("1","7","5","2","2","10","1") = "9"
    & skf18("1","7","5","2","3","1","1") = "6"
    & skf18("1","7","5","2","3","2","1") = "6"
    & skf18("1","7","5","2","3","3","1") = "6"
    & skf18("1","7","5","2","3","4","1") = "6"
    & skf18("1","7","5","2","3","5","1") = "6"
    & skf18("1","7","5","2","3","6","1") = "6"
    & skf18("1","7","5","2","3","7","1") = "6"
    & skf18("1","7","5","2","3","8","1") = "7"
    & skf18("1","7","5","2","3","9","1") = "8"
    & skf18("1","7","5","2","3","10","1") = "9"
    & skf18("1","7","5","2","4","1","1") = "6"
    & skf18("1","7","5","2","4","2","1") = "6"
    & skf18("1","7","5","2","4","3","1") = "6"
    & skf18("1","7","5","2","4","4","1") = "6"
    & skf18("1","7","5","2","4","5","1") = "6"
    & skf18("1","7","5","2","4","6","1") = "6"
    & skf18("1","7","5","2","4","7","1") = "6"
    & skf18("1","7","5","2","4","8","1") = "7"
    & skf18("1","7","5","2","4","9","1") = "8"
    & skf18("1","7","5","2","4","10","1") = "9"
    & skf18("1","7","5","2","5","1","1") = "6"
    & skf18("1","7","5","2","5","2","1") = "6"
    & skf18("1","7","5","2","5","3","1") = "6"
    & skf18("1","7","5","2","5","4","1") = "6"
    & skf18("1","7","5","2","5","5","1") = "6"
    & skf18("1","7","5","2","5","6","1") = "6"
    & skf18("1","7","5","2","5","7","1") = "6"
    & skf18("1","7","5","2","5","8","1") = "7"
    & skf18("1","7","5","2","5","9","1") = "8"
    & skf18("1","7","5","2","5","10","1") = "9"
    & skf18("1","7","5","2","6","1","1") = "6"
    & skf18("1","7","5","2","6","2","1") = "6"
    & skf18("1","7","5","2","6","3","1") = "6"
    & skf18("1","7","5","2","6","4","1") = "6"
    & skf18("1","7","5","2","6","5","1") = "6"
    & skf18("1","7","5","2","6","6","1") = "6"
    & skf18("1","7","5","2","6","7","1") = "6"
    & skf18("1","7","5","2","6","8","1") = "7"
    & skf18("1","7","5","2","6","9","1") = "8"
    & skf18("1","7","5","2","6","10","1") = "9"
    & skf18("1","7","5","2","7","1","1") = "6"
    & skf18("1","7","5","2","7","2","1") = "6"
    & skf18("1","7","5","2","7","3","1") = "6"
    & skf18("1","7","5","2","7","4","1") = "6"
    & skf18("1","7","5","2","7","5","1") = "6"
    & skf18("1","7","5","2","7","6","1") = "6"
    & skf18("1","7","5","2","7","7","1") = "6"
    & skf18("1","7","5","2","7","8","1") = "7"
    & skf18("1","7","5","2","7","9","1") = "8"
    & skf18("1","7","5","2","7","10","1") = "9"
    & skf18("1","7","5","2","8","1","1") = "7"
    & skf18("1","7","5","2","8","2","1") = "7"
    & skf18("1","7","5","2","8","3","1") = "7"
    & skf18("1","7","5","2","8","4","1") = "7"
    & skf18("1","7","5","2","8","5","1") = "7"
    & skf18("1","7","5","2","8","6","1") = "7"
    & skf18("1","7","5","2","8","7","1") = "7"
    & skf18("1","7","5","2","8","8","1") = "7"
    & skf18("1","7","5","2","8","9","1") = "8"
    & skf18("1","7","5","2","8","10","1") = "9"
    & skf18("1","7","5","2","9","1","1") = "8"
    & skf18("1","7","5","2","9","2","1") = "8"
    & skf18("1","7","5","2","9","3","1") = "8"
    & skf18("1","7","5","2","9","4","1") = "8"
    & skf18("1","7","5","2","9","5","1") = "8"
    & skf18("1","7","5","2","9","6","1") = "8"
    & skf18("1","7","5","2","9","7","1") = "8"
    & skf18("1","7","5","2","9","8","1") = "8"
    & skf18("1","7","5","2","9","9","1") = "8"
    & skf18("1","7","5","2","9","10","1") = "9"
    & skf18("1","7","5","2","10","1","1") = "9"
    & skf18("1","7","5","2","10","2","1") = "9"
    & skf18("1","7","5","2","10","3","1") = "9"
    & skf18("1","7","5","2","10","4","1") = "9"
    & skf18("1","7","5","2","10","5","1") = "9"
    & skf18("1","7","5","2","10","6","1") = "9"
    & skf18("1","7","5","2","10","7","1") = "9"
    & skf18("1","7","5","2","10","8","1") = "9"
    & skf18("1","7","5","2","10","9","1") = "9"
    & skf18("1","7","5","2","10","10","1") = "9"
    & skf18("1","7","5","3","1","1","1") = "6"
    & skf18("1","7","5","3","1","2","1") = "6"
    & skf18("1","7","5","3","1","3","1") = "6"
    & skf18("1","7","5","3","1","4","1") = "6"
    & skf18("1","7","5","3","1","5","1") = "6"
    & skf18("1","7","5","3","1","6","1") = "6"
    & skf18("1","7","5","3","1","7","1") = "6"
    & skf18("1","7","5","3","1","8","1") = "7"
    & skf18("1","7","5","3","1","9","1") = "8"
    & skf18("1","7","5","3","1","10","1") = "9"
    & skf18("1","7","5","3","2","1","1") = "6"
    & skf18("1","7","5","3","2","2","1") = "6"
    & skf18("1","7","5","3","2","3","1") = "6"
    & skf18("1","7","5","3","2","4","1") = "6"
    & skf18("1","7","5","3","2","5","1") = "6"
    & skf18("1","7","5","3","2","6","1") = "6"
    & skf18("1","7","5","3","2","7","1") = "6"
    & skf18("1","7","5","3","2","8","1") = "7"
    & skf18("1","7","5","3","2","9","1") = "8"
    & skf18("1","7","5","3","2","10","1") = "9"
    & skf18("1","7","5","3","3","1","1") = "6"
    & skf18("1","7","5","3","3","2","1") = "6"
    & skf18("1","7","5","3","3","3","1") = "6"
    & skf18("1","7","5","3","3","4","1") = "6"
    & skf18("1","7","5","3","3","5","1") = "6"
    & skf18("1","7","5","3","3","6","1") = "6"
    & skf18("1","7","5","3","3","7","1") = "6"
    & skf18("1","7","5","3","3","8","1") = "7"
    & skf18("1","7","5","3","3","9","1") = "8"
    & skf18("1","7","5","3","3","10","1") = "9"
    & skf18("1","7","5","3","4","1","1") = "6"
    & skf18("1","7","5","3","4","2","1") = "6"
    & skf18("1","7","5","3","4","3","1") = "6"
    & skf18("1","7","5","3","4","4","1") = "6"
    & skf18("1","7","5","3","4","5","1") = "6"
    & skf18("1","7","5","3","4","6","1") = "6"
    & skf18("1","7","5","3","4","7","1") = "6"
    & skf18("1","7","5","3","4","8","1") = "7"
    & skf18("1","7","5","3","4","9","1") = "8"
    & skf18("1","7","5","3","4","10","1") = "9"
    & skf18("1","7","5","3","5","1","1") = "6"
    & skf18("1","7","5","3","5","2","1") = "6"
    & skf18("1","7","5","3","5","3","1") = "6"
    & skf18("1","7","5","3","5","4","1") = "6"
    & skf18("1","7","5","3","5","5","1") = "6"
    & skf18("1","7","5","3","5","6","1") = "6"
    & skf18("1","7","5","3","5","7","1") = "6"
    & skf18("1","7","5","3","5","8","1") = "7"
    & skf18("1","7","5","3","5","9","1") = "8"
    & skf18("1","7","5","3","5","10","1") = "9"
    & skf18("1","7","5","3","6","1","1") = "6"
    & skf18("1","7","5","3","6","2","1") = "6"
    & skf18("1","7","5","3","6","3","1") = "6"
    & skf18("1","7","5","3","6","4","1") = "6"
    & skf18("1","7","5","3","6","5","1") = "6"
    & skf18("1","7","5","3","6","6","1") = "6"
    & skf18("1","7","5","3","6","7","1") = "6"
    & skf18("1","7","5","3","6","8","1") = "7"
    & skf18("1","7","5","3","6","9","1") = "8"
    & skf18("1","7","5","3","6","10","1") = "9"
    & skf18("1","7","5","3","7","1","1") = "6"
    & skf18("1","7","5","3","7","2","1") = "6"
    & skf18("1","7","5","3","7","3","1") = "6"
    & skf18("1","7","5","3","7","4","1") = "6"
    & skf18("1","7","5","3","7","5","1") = "6"
    & skf18("1","7","5","3","7","6","1") = "6"
    & skf18("1","7","5","3","7","7","1") = "6"
    & skf18("1","7","5","3","7","8","1") = "7"
    & skf18("1","7","5","3","7","9","1") = "8"
    & skf18("1","7","5","3","7","10","1") = "9"
    & skf18("1","7","5","3","8","1","1") = "7"
    & skf18("1","7","5","3","8","2","1") = "7"
    & skf18("1","7","5","3","8","3","1") = "7"
    & skf18("1","7","5","3","8","4","1") = "7"
    & skf18("1","7","5","3","8","5","1") = "7"
    & skf18("1","7","5","3","8","6","1") = "7"
    & skf18("1","7","5","3","8","7","1") = "7"
    & skf18("1","7","5","3","8","8","1") = "7"
    & skf18("1","7","5","3","8","9","1") = "8"
    & skf18("1","7","5","3","8","10","1") = "9"
    & skf18("1","7","5","3","9","1","1") = "8"
    & skf18("1","7","5","3","9","2","1") = "8"
    & skf18("1","7","5","3","9","3","1") = "8"
    & skf18("1","7","5","3","9","4","1") = "8"
    & skf18("1","7","5","3","9","5","1") = "8"
    & skf18("1","7","5","3","9","6","1") = "8"
    & skf18("1","7","5","3","9","7","1") = "8"
    & skf18("1","7","5","3","9","8","1") = "8"
    & skf18("1","7","5","3","9","9","1") = "8"
    & skf18("1","7","5","3","9","10","1") = "9"
    & skf18("1","7","5","3","10","1","1") = "9"
    & skf18("1","7","5","3","10","2","1") = "9"
    & skf18("1","7","5","3","10","3","1") = "9"
    & skf18("1","7","5","3","10","4","1") = "9"
    & skf18("1","7","5","3","10","5","1") = "9"
    & skf18("1","7","5","3","10","6","1") = "9"
    & skf18("1","7","5","3","10","7","1") = "9"
    & skf18("1","7","5","3","10","8","1") = "9"
    & skf18("1","7","5","3","10","9","1") = "9"
    & skf18("1","7","5","3","10","10","1") = "9"
    & skf18("1","7","5","4","1","1","1") = "6"
    & skf18("1","7","5","4","1","2","1") = "6"
    & skf18("1","7","5","4","1","3","1") = "6"
    & skf18("1","7","5","4","1","4","1") = "6"
    & skf18("1","7","5","4","1","5","1") = "6"
    & skf18("1","7","5","4","1","6","1") = "6"
    & skf18("1","7","5","4","1","7","1") = "6"
    & skf18("1","7","5","4","1","8","1") = "7"
    & skf18("1","7","5","4","1","9","1") = "8"
    & skf18("1","7","5","4","1","10","1") = "9"
    & skf18("1","7","5","4","2","1","1") = "6"
    & skf18("1","7","5","4","2","2","1") = "6"
    & skf18("1","7","5","4","2","3","1") = "6"
    & skf18("1","7","5","4","2","4","1") = "6"
    & skf18("1","7","5","4","2","5","1") = "6"
    & skf18("1","7","5","4","2","6","1") = "6"
    & skf18("1","7","5","4","2","7","1") = "6"
    & skf18("1","7","5","4","2","8","1") = "7"
    & skf18("1","7","5","4","2","9","1") = "8"
    & skf18("1","7","5","4","2","10","1") = "9"
    & skf18("1","7","5","4","3","1","1") = "6"
    & skf18("1","7","5","4","3","2","1") = "6"
    & skf18("1","7","5","4","3","3","1") = "6"
    & skf18("1","7","5","4","3","4","1") = "6"
    & skf18("1","7","5","4","3","5","1") = "6"
    & skf18("1","7","5","4","3","6","1") = "6"
    & skf18("1","7","5","4","3","7","1") = "6"
    & skf18("1","7","5","4","3","8","1") = "7"
    & skf18("1","7","5","4","3","9","1") = "8"
    & skf18("1","7","5","4","3","10","1") = "9"
    & skf18("1","7","5","4","4","1","1") = "6"
    & skf18("1","7","5","4","4","2","1") = "6"
    & skf18("1","7","5","4","4","3","1") = "6"
    & skf18("1","7","5","4","4","4","1") = "6"
    & skf18("1","7","5","4","4","5","1") = "6"
    & skf18("1","7","5","4","4","6","1") = "6"
    & skf18("1","7","5","4","4","7","1") = "6"
    & skf18("1","7","5","4","4","8","1") = "7"
    & skf18("1","7","5","4","4","9","1") = "8"
    & skf18("1","7","5","4","4","10","1") = "9"
    & skf18("1","7","5","4","5","1","1") = "6"
    & skf18("1","7","5","4","5","2","1") = "6"
    & skf18("1","7","5","4","5","3","1") = "6"
    & skf18("1","7","5","4","5","4","1") = "6"
    & skf18("1","7","5","4","5","5","1") = "6"
    & skf18("1","7","5","4","5","6","1") = "6"
    & skf18("1","7","5","4","5","7","1") = "6"
    & skf18("1","7","5","4","5","8","1") = "7"
    & skf18("1","7","5","4","5","9","1") = "8"
    & skf18("1","7","5","4","5","10","1") = "9"
    & skf18("1","7","5","4","6","1","1") = "6"
    & skf18("1","7","5","4","6","2","1") = "6"
    & skf18("1","7","5","4","6","3","1") = "6"
    & skf18("1","7","5","4","6","4","1") = "6"
    & skf18("1","7","5","4","6","5","1") = "6"
    & skf18("1","7","5","4","6","6","1") = "6"
    & skf18("1","7","5","4","6","7","1") = "6"
    & skf18("1","7","5","4","6","8","1") = "7"
    & skf18("1","7","5","4","6","9","1") = "8"
    & skf18("1","7","5","4","6","10","1") = "9"
    & skf18("1","7","5","4","7","1","1") = "6"
    & skf18("1","7","5","4","7","2","1") = "6"
    & skf18("1","7","5","4","7","3","1") = "6"
    & skf18("1","7","5","4","7","4","1") = "6"
    & skf18("1","7","5","4","7","5","1") = "6"
    & skf18("1","7","5","4","7","6","1") = "6"
    & skf18("1","7","5","4","7","7","1") = "6"
    & skf18("1","7","5","4","7","8","1") = "7"
    & skf18("1","7","5","4","7","9","1") = "8"
    & skf18("1","7","5","4","7","10","1") = "9"
    & skf18("1","7","5","4","8","1","1") = "7"
    & skf18("1","7","5","4","8","2","1") = "7"
    & skf18("1","7","5","4","8","3","1") = "7"
    & skf18("1","7","5","4","8","4","1") = "7"
    & skf18("1","7","5","4","8","5","1") = "7"
    & skf18("1","7","5","4","8","6","1") = "7"
    & skf18("1","7","5","4","8","7","1") = "7"
    & skf18("1","7","5","4","8","8","1") = "7"
    & skf18("1","7","5","4","8","9","1") = "8"
    & skf18("1","7","5","4","8","10","1") = "9"
    & skf18("1","7","5","4","9","1","1") = "8"
    & skf18("1","7","5","4","9","2","1") = "8"
    & skf18("1","7","5","4","9","3","1") = "8"
    & skf18("1","7","5","4","9","4","1") = "8"
    & skf18("1","7","5","4","9","5","1") = "8"
    & skf18("1","7","5","4","9","6","1") = "8"
    & skf18("1","7","5","4","9","7","1") = "8"
    & skf18("1","7","5","4","9","8","1") = "8"
    & skf18("1","7","5","4","9","9","1") = "8"
    & skf18("1","7","5","4","9","10","1") = "9"
    & skf18("1","7","5","4","10","1","1") = "9"
    & skf18("1","7","5","4","10","2","1") = "9"
    & skf18("1","7","5","4","10","3","1") = "9"
    & skf18("1","7","5","4","10","4","1") = "9"
    & skf18("1","7","5","4","10","5","1") = "9"
    & skf18("1","7","5","4","10","6","1") = "9"
    & skf18("1","7","5","4","10","7","1") = "9"
    & skf18("1","7","5","4","10","8","1") = "9"
    & skf18("1","7","5","4","10","9","1") = "9"
    & skf18("1","7","5","4","10","10","1") = "9"
    & skf18("1","7","5","5","1","1","1") = "6"
    & skf18("1","7","5","5","1","2","1") = "6"
    & skf18("1","7","5","5","1","3","1") = "6"
    & skf18("1","7","5","5","1","4","1") = "6"
    & skf18("1","7","5","5","1","5","1") = "6"
    & skf18("1","7","5","5","1","6","1") = "6"
    & skf18("1","7","5","5","1","7","1") = "6"
    & skf18("1","7","5","5","1","8","1") = "7"
    & skf18("1","7","5","5","1","9","1") = "8"
    & skf18("1","7","5","5","1","10","1") = "9"
    & skf18("1","7","5","5","2","1","1") = "6"
    & skf18("1","7","5","5","2","2","1") = "6"
    & skf18("1","7","5","5","2","3","1") = "6"
    & skf18("1","7","5","5","2","4","1") = "6"
    & skf18("1","7","5","5","2","5","1") = "6"
    & skf18("1","7","5","5","2","6","1") = "6"
    & skf18("1","7","5","5","2","7","1") = "6"
    & skf18("1","7","5","5","2","8","1") = "7"
    & skf18("1","7","5","5","2","9","1") = "8"
    & skf18("1","7","5","5","2","10","1") = "9"
    & skf18("1","7","5","5","3","1","1") = "6"
    & skf18("1","7","5","5","3","2","1") = "6"
    & skf18("1","7","5","5","3","3","1") = "6"
    & skf18("1","7","5","5","3","4","1") = "6"
    & skf18("1","7","5","5","3","5","1") = "6"
    & skf18("1","7","5","5","3","6","1") = "6"
    & skf18("1","7","5","5","3","7","1") = "6"
    & skf18("1","7","5","5","3","8","1") = "7"
    & skf18("1","7","5","5","3","9","1") = "8"
    & skf18("1","7","5","5","3","10","1") = "9"
    & skf18("1","7","5","5","4","1","1") = "6"
    & skf18("1","7","5","5","4","2","1") = "6"
    & skf18("1","7","5","5","4","3","1") = "6"
    & skf18("1","7","5","5","4","4","1") = "6"
    & skf18("1","7","5","5","4","5","1") = "6"
    & skf18("1","7","5","5","4","6","1") = "6"
    & skf18("1","7","5","5","4","7","1") = "6"
    & skf18("1","7","5","5","4","8","1") = "7"
    & skf18("1","7","5","5","4","9","1") = "8"
    & skf18("1","7","5","5","4","10","1") = "9"
    & skf18("1","7","5","5","5","1","1") = "6"
    & skf18("1","7","5","5","5","2","1") = "6"
    & skf18("1","7","5","5","5","3","1") = "6"
    & skf18("1","7","5","5","5","4","1") = "6"
    & skf18("1","7","5","5","5","5","1") = "6"
    & skf18("1","7","5","5","5","6","1") = "6"
    & skf18("1","7","5","5","5","7","1") = "6"
    & skf18("1","7","5","5","5","8","1") = "7"
    & skf18("1","7","5","5","5","9","1") = "8"
    & skf18("1","7","5","5","5","10","1") = "9"
    & skf18("1","7","5","5","6","1","1") = "6"
    & skf18("1","7","5","5","6","2","1") = "6"
    & skf18("1","7","5","5","6","3","1") = "6"
    & skf18("1","7","5","5","6","4","1") = "6"
    & skf18("1","7","5","5","6","5","1") = "6"
    & skf18("1","7","5","5","6","6","1") = "6"
    & skf18("1","7","5","5","6","7","1") = "6"
    & skf18("1","7","5","5","6","8","1") = "7"
    & skf18("1","7","5","5","6","9","1") = "8"
    & skf18("1","7","5","5","6","10","1") = "9"
    & skf18("1","7","5","5","7","1","1") = "6"
    & skf18("1","7","5","5","7","2","1") = "6"
    & skf18("1","7","5","5","7","3","1") = "6"
    & skf18("1","7","5","5","7","4","1") = "6"
    & skf18("1","7","5","5","7","5","1") = "6"
    & skf18("1","7","5","5","7","6","1") = "6"
    & skf18("1","7","5","5","7","7","1") = "6"
    & skf18("1","7","5","5","7","8","1") = "7"
    & skf18("1","7","5","5","7","9","1") = "8"
    & skf18("1","7","5","5","7","10","1") = "9"
    & skf18("1","7","5","5","8","1","1") = "7"
    & skf18("1","7","5","5","8","2","1") = "7"
    & skf18("1","7","5","5","8","3","1") = "7"
    & skf18("1","7","5","5","8","4","1") = "7"
    & skf18("1","7","5","5","8","5","1") = "7"
    & skf18("1","7","5","5","8","6","1") = "7"
    & skf18("1","7","5","5","8","7","1") = "7"
    & skf18("1","7","5","5","8","8","1") = "7"
    & skf18("1","7","5","5","8","9","1") = "8"
    & skf18("1","7","5","5","8","10","1") = "9"
    & skf18("1","7","5","5","9","1","1") = "8"
    & skf18("1","7","5","5","9","2","1") = "8"
    & skf18("1","7","5","5","9","3","1") = "8"
    & skf18("1","7","5","5","9","4","1") = "8"
    & skf18("1","7","5","5","9","5","1") = "8"
    & skf18("1","7","5","5","9","6","1") = "8"
    & skf18("1","7","5","5","9","7","1") = "8"
    & skf18("1","7","5","5","9","8","1") = "8"
    & skf18("1","7","5","5","9","9","1") = "8"
    & skf18("1","7","5","5","9","10","1") = "9"
    & skf18("1","7","5","5","10","1","1") = "9"
    & skf18("1","7","5","5","10","2","1") = "9"
    & skf18("1","7","5","5","10","3","1") = "9"
    & skf18("1","7","5","5","10","4","1") = "9"
    & skf18("1","7","5","5","10","5","1") = "9"
    & skf18("1","7","5","5","10","6","1") = "9"
    & skf18("1","7","5","5","10","7","1") = "9"
    & skf18("1","7","5","5","10","8","1") = "9"
    & skf18("1","7","5","5","10","9","1") = "9"
    & skf18("1","7","5","5","10","10","1") = "9"
    & skf18("1","7","5","6","1","1","1") = "6"
    & skf18("1","7","5","6","1","2","1") = "6"
    & skf18("1","7","5","6","1","3","1") = "6"
    & skf18("1","7","5","6","1","4","1") = "6"
    & skf18("1","7","5","6","1","5","1") = "6"
    & skf18("1","7","5","6","1","6","1") = "6"
    & skf18("1","7","5","6","1","7","1") = "6"
    & skf18("1","7","5","6","1","8","1") = "7"
    & skf18("1","7","5","6","1","9","1") = "8"
    & skf18("1","7","5","6","1","10","1") = "9"
    & skf18("1","7","5","6","2","1","1") = "6"
    & skf18("1","7","5","6","2","2","1") = "6"
    & skf18("1","7","5","6","2","3","1") = "6"
    & skf18("1","7","5","6","2","4","1") = "6"
    & skf18("1","7","5","6","2","5","1") = "6"
    & skf18("1","7","5","6","2","6","1") = "6"
    & skf18("1","7","5","6","2","7","1") = "6"
    & skf18("1","7","5","6","2","8","1") = "7"
    & skf18("1","7","5","6","2","9","1") = "8"
    & skf18("1","7","5","6","2","10","1") = "9"
    & skf18("1","7","5","6","3","1","1") = "6"
    & skf18("1","7","5","6","3","2","1") = "6"
    & skf18("1","7","5","6","3","3","1") = "6"
    & skf18("1","7","5","6","3","4","1") = "6"
    & skf18("1","7","5","6","3","5","1") = "6"
    & skf18("1","7","5","6","3","6","1") = "6"
    & skf18("1","7","5","6","3","7","1") = "6"
    & skf18("1","7","5","6","3","8","1") = "7"
    & skf18("1","7","5","6","3","9","1") = "8"
    & skf18("1","7","5","6","3","10","1") = "9"
    & skf18("1","7","5","6","4","1","1") = "6"
    & skf18("1","7","5","6","4","2","1") = "6"
    & skf18("1","7","5","6","4","3","1") = "6"
    & skf18("1","7","5","6","4","4","1") = "6"
    & skf18("1","7","5","6","4","5","1") = "6"
    & skf18("1","7","5","6","4","6","1") = "6"
    & skf18("1","7","5","6","4","7","1") = "6"
    & skf18("1","7","5","6","4","8","1") = "7"
    & skf18("1","7","5","6","4","9","1") = "8"
    & skf18("1","7","5","6","4","10","1") = "9"
    & skf18("1","7","5","6","5","1","1") = "6"
    & skf18("1","7","5","6","5","2","1") = "6"
    & skf18("1","7","5","6","5","3","1") = "6"
    & skf18("1","7","5","6","5","4","1") = "6"
    & skf18("1","7","5","6","5","5","1") = "6"
    & skf18("1","7","5","6","5","6","1") = "6"
    & skf18("1","7","5","6","5","7","1") = "6"
    & skf18("1","7","5","6","5","8","1") = "7"
    & skf18("1","7","5","6","5","9","1") = "8"
    & skf18("1","7","5","6","5","10","1") = "9"
    & skf18("1","7","5","6","6","1","1") = "6"
    & skf18("1","7","5","6","6","2","1") = "6"
    & skf18("1","7","5","6","6","3","1") = "6"
    & skf18("1","7","5","6","6","4","1") = "6"
    & skf18("1","7","5","6","6","5","1") = "6"
    & skf18("1","7","5","6","6","6","1") = "6"
    & skf18("1","7","5","6","6","7","1") = "6"
    & skf18("1","7","5","6","6","8","1") = "7"
    & skf18("1","7","5","6","6","9","1") = "8"
    & skf18("1","7","5","6","6","10","1") = "9"
    & skf18("1","7","5","6","7","1","1") = "6"
    & skf18("1","7","5","6","7","2","1") = "6"
    & skf18("1","7","5","6","7","3","1") = "6"
    & skf18("1","7","5","6","7","4","1") = "6"
    & skf18("1","7","5","6","7","5","1") = "6"
    & skf18("1","7","5","6","7","6","1") = "6"
    & skf18("1","7","5","6","7","7","1") = "6"
    & skf18("1","7","5","6","7","8","1") = "7"
    & skf18("1","7","5","6","7","9","1") = "8"
    & skf18("1","7","5","6","7","10","1") = "9"
    & skf18("1","7","5","6","8","1","1") = "7"
    & skf18("1","7","5","6","8","2","1") = "7"
    & skf18("1","7","5","6","8","3","1") = "7"
    & skf18("1","7","5","6","8","4","1") = "7"
    & skf18("1","7","5","6","8","5","1") = "7"
    & skf18("1","7","5","6","8","6","1") = "7"
    & skf18("1","7","5","6","8","7","1") = "7"
    & skf18("1","7","5","6","8","8","1") = "7"
    & skf18("1","7","5","6","8","9","1") = "8"
    & skf18("1","7","5","6","8","10","1") = "9"
    & skf18("1","7","5","6","9","1","1") = "8"
    & skf18("1","7","5","6","9","2","1") = "8"
    & skf18("1","7","5","6","9","3","1") = "8"
    & skf18("1","7","5","6","9","4","1") = "8"
    & skf18("1","7","5","6","9","5","1") = "8"
    & skf18("1","7","5","6","9","6","1") = "8"
    & skf18("1","7","5","6","9","7","1") = "8"
    & skf18("1","7","5","6","9","8","1") = "8"
    & skf18("1","7","5","6","9","9","1") = "8"
    & skf18("1","7","5","6","9","10","1") = "9"
    & skf18("1","7","5","6","10","1","1") = "9"
    & skf18("1","7","5","6","10","2","1") = "9"
    & skf18("1","7","5","6","10","3","1") = "9"
    & skf18("1","7","5","6","10","4","1") = "9"
    & skf18("1","7","5","6","10","5","1") = "9"
    & skf18("1","7","5","6","10","6","1") = "9"
    & skf18("1","7","5","6","10","7","1") = "9"
    & skf18("1","7","5","6","10","8","1") = "9"
    & skf18("1","7","5","6","10","9","1") = "9"
    & skf18("1","7","5","6","10","10","1") = "9"
    & skf18("1","7","5","7","1","1","1") = "6"
    & skf18("1","7","5","7","1","2","1") = "6"
    & skf18("1","7","5","7","1","3","1") = "6"
    & skf18("1","7","5","7","1","4","1") = "6"
    & skf18("1","7","5","7","1","5","1") = "6"
    & skf18("1","7","5","7","1","6","1") = "6"
    & skf18("1","7","5","7","1","7","1") = "6"
    & skf18("1","7","5","7","1","8","1") = "7"
    & skf18("1","7","5","7","1","9","1") = "8"
    & skf18("1","7","5","7","1","10","1") = "9"
    & skf18("1","7","5","7","2","1","1") = "6"
    & skf18("1","7","5","7","2","2","1") = "6"
    & skf18("1","7","5","7","2","3","1") = "6"
    & skf18("1","7","5","7","2","4","1") = "6"
    & skf18("1","7","5","7","2","5","1") = "6"
    & skf18("1","7","5","7","2","6","1") = "6"
    & skf18("1","7","5","7","2","7","1") = "6"
    & skf18("1","7","5","7","2","8","1") = "7"
    & skf18("1","7","5","7","2","9","1") = "8"
    & skf18("1","7","5","7","2","10","1") = "9"
    & skf18("1","7","5","7","3","1","1") = "6"
    & skf18("1","7","5","7","3","2","1") = "6"
    & skf18("1","7","5","7","3","3","1") = "6"
    & skf18("1","7","5","7","3","4","1") = "6"
    & skf18("1","7","5","7","3","5","1") = "6"
    & skf18("1","7","5","7","3","6","1") = "6"
    & skf18("1","7","5","7","3","7","1") = "6"
    & skf18("1","7","5","7","3","8","1") = "7"
    & skf18("1","7","5","7","3","9","1") = "8"
    & skf18("1","7","5","7","3","10","1") = "9"
    & skf18("1","7","5","7","4","1","1") = "6"
    & skf18("1","7","5","7","4","2","1") = "6"
    & skf18("1","7","5","7","4","3","1") = "6"
    & skf18("1","7","5","7","4","4","1") = "6"
    & skf18("1","7","5","7","4","5","1") = "6"
    & skf18("1","7","5","7","4","6","1") = "6"
    & skf18("1","7","5","7","4","7","1") = "6"
    & skf18("1","7","5","7","4","8","1") = "7"
    & skf18("1","7","5","7","4","9","1") = "8"
    & skf18("1","7","5","7","4","10","1") = "9"
    & skf18("1","7","5","7","5","1","1") = "6"
    & skf18("1","7","5","7","5","2","1") = "6"
    & skf18("1","7","5","7","5","3","1") = "6"
    & skf18("1","7","5","7","5","4","1") = "6"
    & skf18("1","7","5","7","5","5","1") = "6"
    & skf18("1","7","5","7","5","6","1") = "6"
    & skf18("1","7","5","7","5","7","1") = "6"
    & skf18("1","7","5","7","5","8","1") = "7"
    & skf18("1","7","5","7","5","9","1") = "8"
    & skf18("1","7","5","7","5","10","1") = "9"
    & skf18("1","7","5","7","6","1","1") = "6"
    & skf18("1","7","5","7","6","2","1") = "6"
    & skf18("1","7","5","7","6","3","1") = "6"
    & skf18("1","7","5","7","6","4","1") = "6"
    & skf18("1","7","5","7","6","5","1") = "6"
    & skf18("1","7","5","7","6","6","1") = "6"
    & skf18("1","7","5","7","6","7","1") = "6"
    & skf18("1","7","5","7","6","8","1") = "7"
    & skf18("1","7","5","7","6","9","1") = "8"
    & skf18("1","7","5","7","6","10","1") = "9"
    & skf18("1","7","5","7","7","1","1") = "6"
    & skf18("1","7","5","7","7","2","1") = "6"
    & skf18("1","7","5","7","7","3","1") = "6"
    & skf18("1","7","5","7","7","4","1") = "6"
    & skf18("1","7","5","7","7","5","1") = "6"
    & skf18("1","7","5","7","7","6","1") = "6"
    & skf18("1","7","5","7","7","7","1") = "6"
    & skf18("1","7","5","7","7","8","1") = "7"
    & skf18("1","7","5","7","7","9","1") = "8"
    & skf18("1","7","5","7","7","10","1") = "9"
    & skf18("1","7","5","7","8","1","1") = "7"
    & skf18("1","7","5","7","8","2","1") = "7"
    & skf18("1","7","5","7","8","3","1") = "7"
    & skf18("1","7","5","7","8","4","1") = "7"
    & skf18("1","7","5","7","8","5","1") = "7"
    & skf18("1","7","5","7","8","6","1") = "7"
    & skf18("1","7","5","7","8","7","1") = "7"
    & skf18("1","7","5","7","8","8","1") = "7"
    & skf18("1","7","5","7","8","9","1") = "8"
    & skf18("1","7","5","7","8","10","1") = "9"
    & skf18("1","7","5","7","9","1","1") = "8"
    & skf18("1","7","5","7","9","2","1") = "8"
    & skf18("1","7","5","7","9","3","1") = "8"
    & skf18("1","7","5","7","9","4","1") = "8"
    & skf18("1","7","5","7","9","5","1") = "8"
    & skf18("1","7","5","7","9","6","1") = "8"
    & skf18("1","7","5","7","9","7","1") = "8"
    & skf18("1","7","5","7","9","8","1") = "8"
    & skf18("1","7","5","7","9","9","1") = "8"
    & skf18("1","7","5","7","9","10","1") = "9"
    & skf18("1","7","5","7","10","1","1") = "9"
    & skf18("1","7","5","7","10","2","1") = "9"
    & skf18("1","7","5","7","10","3","1") = "9"
    & skf18("1","7","5","7","10","4","1") = "9"
    & skf18("1","7","5","7","10","5","1") = "9"
    & skf18("1","7","5","7","10","6","1") = "9"
    & skf18("1","7","5","7","10","7","1") = "9"
    & skf18("1","7","5","7","10","8","1") = "9"
    & skf18("1","7","5","7","10","9","1") = "9"
    & skf18("1","7","5","7","10","10","1") = "9"
    & skf18("1","7","5","8","1","1","1") = "7"
    & skf18("1","7","5","8","1","2","1") = "7"
    & skf18("1","7","5","8","1","3","1") = "7"
    & skf18("1","7","5","8","1","4","1") = "7"
    & skf18("1","7","5","8","1","5","1") = "7"
    & skf18("1","7","5","8","1","6","1") = "7"
    & skf18("1","7","5","8","1","7","1") = "7"
    & skf18("1","7","5","8","1","8","1") = "7"
    & skf18("1","7","5","8","1","9","1") = "8"
    & skf18("1","7","5","8","1","10","1") = "9"
    & skf18("1","7","5","8","2","1","1") = "7"
    & skf18("1","7","5","8","2","2","1") = "7"
    & skf18("1","7","5","8","2","3","1") = "7"
    & skf18("1","7","5","8","2","4","1") = "7"
    & skf18("1","7","5","8","2","5","1") = "7"
    & skf18("1","7","5","8","2","6","1") = "7"
    & skf18("1","7","5","8","2","7","1") = "7"
    & skf18("1","7","5","8","2","8","1") = "7"
    & skf18("1","7","5","8","2","9","1") = "8"
    & skf18("1","7","5","8","2","10","1") = "9"
    & skf18("1","7","5","8","3","1","1") = "7"
    & skf18("1","7","5","8","3","2","1") = "7"
    & skf18("1","7","5","8","3","3","1") = "7"
    & skf18("1","7","5","8","3","4","1") = "7"
    & skf18("1","7","5","8","3","5","1") = "7"
    & skf18("1","7","5","8","3","6","1") = "7"
    & skf18("1","7","5","8","3","7","1") = "7"
    & skf18("1","7","5","8","3","8","1") = "7"
    & skf18("1","7","5","8","3","9","1") = "8"
    & skf18("1","7","5","8","3","10","1") = "9"
    & skf18("1","7","5","8","4","1","1") = "7"
    & skf18("1","7","5","8","4","2","1") = "7"
    & skf18("1","7","5","8","4","3","1") = "7"
    & skf18("1","7","5","8","4","4","1") = "7"
    & skf18("1","7","5","8","4","5","1") = "7"
    & skf18("1","7","5","8","4","6","1") = "7"
    & skf18("1","7","5","8","4","7","1") = "7"
    & skf18("1","7","5","8","4","8","1") = "7"
    & skf18("1","7","5","8","4","9","1") = "8"
    & skf18("1","7","5","8","4","10","1") = "9"
    & skf18("1","7","5","8","5","1","1") = "7"
    & skf18("1","7","5","8","5","2","1") = "7"
    & skf18("1","7","5","8","5","3","1") = "7"
    & skf18("1","7","5","8","5","4","1") = "7"
    & skf18("1","7","5","8","5","5","1") = "7"
    & skf18("1","7","5","8","5","6","1") = "7"
    & skf18("1","7","5","8","5","7","1") = "7"
    & skf18("1","7","5","8","5","8","1") = "7"
    & skf18("1","7","5","8","5","9","1") = "8"
    & skf18("1","7","5","8","5","10","1") = "9"
    & skf18("1","7","5","8","6","1","1") = "7"
    & skf18("1","7","5","8","6","2","1") = "7"
    & skf18("1","7","5","8","6","3","1") = "7"
    & skf18("1","7","5","8","6","4","1") = "7"
    & skf18("1","7","5","8","6","5","1") = "7"
    & skf18("1","7","5","8","6","6","1") = "7"
    & skf18("1","7","5","8","6","7","1") = "7"
    & skf18("1","7","5","8","6","8","1") = "7"
    & skf18("1","7","5","8","6","9","1") = "8"
    & skf18("1","7","5","8","6","10","1") = "9"
    & skf18("1","7","5","8","7","1","1") = "7"
    & skf18("1","7","5","8","7","2","1") = "7"
    & skf18("1","7","5","8","7","3","1") = "7"
    & skf18("1","7","5","8","7","4","1") = "7"
    & skf18("1","7","5","8","7","5","1") = "7"
    & skf18("1","7","5","8","7","6","1") = "7"
    & skf18("1","7","5","8","7","7","1") = "7"
    & skf18("1","7","5","8","7","8","1") = "7"
    & skf18("1","7","5","8","7","9","1") = "8"
    & skf18("1","7","5","8","7","10","1") = "9"
    & skf18("1","7","5","8","8","1","1") = "7"
    & skf18("1","7","5","8","8","2","1") = "7"
    & skf18("1","7","5","8","8","3","1") = "7"
    & skf18("1","7","5","8","8","4","1") = "7"
    & skf18("1","7","5","8","8","5","1") = "7"
    & skf18("1","7","5","8","8","6","1") = "7"
    & skf18("1","7","5","8","8","7","1") = "7"
    & skf18("1","7","5","8","8","8","1") = "7"
    & skf18("1","7","5","8","8","9","1") = "8"
    & skf18("1","7","5","8","8","10","1") = "9"
    & skf18("1","7","5","8","9","1","1") = "8"
    & skf18("1","7","5","8","9","2","1") = "8"
    & skf18("1","7","5","8","9","3","1") = "8"
    & skf18("1","7","5","8","9","4","1") = "8"
    & skf18("1","7","5","8","9","5","1") = "8"
    & skf18("1","7","5","8","9","6","1") = "8"
    & skf18("1","7","5","8","9","7","1") = "8"
    & skf18("1","7","5","8","9","8","1") = "8"
    & skf18("1","7","5","8","9","9","1") = "8"
    & skf18("1","7","5","8","9","10","1") = "9"
    & skf18("1","7","5","8","10","1","1") = "9"
    & skf18("1","7","5","8","10","2","1") = "9"
    & skf18("1","7","5","8","10","3","1") = "9"
    & skf18("1","7","5","8","10","4","1") = "9"
    & skf18("1","7","5","8","10","5","1") = "9"
    & skf18("1","7","5","8","10","6","1") = "9"
    & skf18("1","7","5","8","10","7","1") = "9"
    & skf18("1","7","5","8","10","8","1") = "9"
    & skf18("1","7","5","8","10","9","1") = "9"
    & skf18("1","7","5","8","10","10","1") = "9"
    & skf18("1","7","5","9","1","1","1") = "8"
    & skf18("1","7","5","9","1","2","1") = "8"
    & skf18("1","7","5","9","1","3","1") = "8"
    & skf18("1","7","5","9","1","4","1") = "8"
    & skf18("1","7","5","9","1","5","1") = "8"
    & skf18("1","7","5","9","1","6","1") = "8"
    & skf18("1","7","5","9","1","7","1") = "8"
    & skf18("1","7","5","9","1","8","1") = "8"
    & skf18("1","7","5","9","1","9","1") = "8"
    & skf18("1","7","5","9","1","10","1") = "9"
    & skf18("1","7","5","9","2","1","1") = "8"
    & skf18("1","7","5","9","2","2","1") = "8"
    & skf18("1","7","5","9","2","3","1") = "8"
    & skf18("1","7","5","9","2","4","1") = "8"
    & skf18("1","7","5","9","2","5","1") = "8"
    & skf18("1","7","5","9","2","6","1") = "8"
    & skf18("1","7","5","9","2","7","1") = "8"
    & skf18("1","7","5","9","2","8","1") = "8"
    & skf18("1","7","5","9","2","9","1") = "8"
    & skf18("1","7","5","9","2","10","1") = "9"
    & skf18("1","7","5","9","3","1","1") = "8"
    & skf18("1","7","5","9","3","2","1") = "8"
    & skf18("1","7","5","9","3","3","1") = "8"
    & skf18("1","7","5","9","3","4","1") = "8"
    & skf18("1","7","5","9","3","5","1") = "8"
    & skf18("1","7","5","9","3","6","1") = "8"
    & skf18("1","7","5","9","3","7","1") = "8"
    & skf18("1","7","5","9","3","8","1") = "8"
    & skf18("1","7","5","9","3","9","1") = "8"
    & skf18("1","7","5","9","3","10","1") = "9"
    & skf18("1","7","5","9","4","1","1") = "8"
    & skf18("1","7","5","9","4","2","1") = "8"
    & skf18("1","7","5","9","4","3","1") = "8"
    & skf18("1","7","5","9","4","4","1") = "8"
    & skf18("1","7","5","9","4","5","1") = "8"
    & skf18("1","7","5","9","4","6","1") = "8"
    & skf18("1","7","5","9","4","7","1") = "8"
    & skf18("1","7","5","9","4","8","1") = "8"
    & skf18("1","7","5","9","4","9","1") = "8"
    & skf18("1","7","5","9","4","10","1") = "9"
    & skf18("1","7","5","9","5","1","1") = "8"
    & skf18("1","7","5","9","5","2","1") = "8"
    & skf18("1","7","5","9","5","3","1") = "8"
    & skf18("1","7","5","9","5","4","1") = "8"
    & skf18("1","7","5","9","5","5","1") = "8"
    & skf18("1","7","5","9","5","6","1") = "8"
    & skf18("1","7","5","9","5","7","1") = "8"
    & skf18("1","7","5","9","5","8","1") = "8"
    & skf18("1","7","5","9","5","9","1") = "8"
    & skf18("1","7","5","9","5","10","1") = "9"
    & skf18("1","7","5","9","6","1","1") = "8"
    & skf18("1","7","5","9","6","2","1") = "8"
    & skf18("1","7","5","9","6","3","1") = "8"
    & skf18("1","7","5","9","6","4","1") = "8"
    & skf18("1","7","5","9","6","5","1") = "8"
    & skf18("1","7","5","9","6","6","1") = "8"
    & skf18("1","7","5","9","6","7","1") = "8"
    & skf18("1","7","5","9","6","8","1") = "8"
    & skf18("1","7","5","9","6","9","1") = "8"
    & skf18("1","7","5","9","6","10","1") = "9"
    & skf18("1","7","5","9","7","1","1") = "8"
    & skf18("1","7","5","9","7","2","1") = "8"
    & skf18("1","7","5","9","7","3","1") = "8"
    & skf18("1","7","5","9","7","4","1") = "8"
    & skf18("1","7","5","9","7","5","1") = "8"
    & skf18("1","7","5","9","7","6","1") = "8"
    & skf18("1","7","5","9","7","7","1") = "8"
    & skf18("1","7","5","9","7","8","1") = "8"
    & skf18("1","7","5","9","7","9","1") = "8"
    & skf18("1","7","5","9","7","10","1") = "9"
    & skf18("1","7","5","9","8","1","1") = "8"
    & skf18("1","7","5","9","8","2","1") = "8"
    & skf18("1","7","5","9","8","3","1") = "8"
    & skf18("1","7","5","9","8","4","1") = "8"
    & skf18("1","7","5","9","8","5","1") = "8"
    & skf18("1","7","5","9","8","6","1") = "8"
    & skf18("1","7","5","9","8","7","1") = "8"
    & skf18("1","7","5","9","8","8","1") = "8"
    & skf18("1","7","5","9","8","9","1") = "8"
    & skf18("1","7","5","9","8","10","1") = "9"
    & skf18("1","7","5","9","9","1","1") = "8"
    & skf18("1","7","5","9","9","2","1") = "8"
    & skf18("1","7","5","9","9","3","1") = "8"
    & skf18("1","7","5","9","9","4","1") = "8"
    & skf18("1","7","5","9","9","5","1") = "8"
    & skf18("1","7","5","9","9","6","1") = "8"
    & skf18("1","7","5","9","9","7","1") = "8"
    & skf18("1","7","5","9","9","8","1") = "8"
    & skf18("1","7","5","9","9","9","1") = "8"
    & skf18("1","7","5","9","9","10","1") = "9"
    & skf18("1","7","5","9","10","1","1") = "9"
    & skf18("1","7","5","9","10","2","1") = "9"
    & skf18("1","7","5","9","10","3","1") = "9"
    & skf18("1","7","5","9","10","4","1") = "9"
    & skf18("1","7","5","9","10","5","1") = "9"
    & skf18("1","7","5","9","10","6","1") = "9"
    & skf18("1","7","5","9","10","7","1") = "9"
    & skf18("1","7","5","9","10","8","1") = "9"
    & skf18("1","7","5","9","10","9","1") = "9"
    & skf18("1","7","5","9","10","10","1") = "9"
    & skf18("1","7","5","10","1","1","1") = "9"
    & skf18("1","7","5","10","1","2","1") = "9"
    & skf18("1","7","5","10","1","3","1") = "9"
    & skf18("1","7","5","10","1","4","1") = "9"
    & skf18("1","7","5","10","1","5","1") = "9"
    & skf18("1","7","5","10","1","6","1") = "9"
    & skf18("1","7","5","10","1","7","1") = "9"
    & skf18("1","7","5","10","1","8","1") = "9"
    & skf18("1","7","5","10","1","9","1") = "9"
    & skf18("1","7","5","10","1","10","1") = "9"
    & skf18("1","7","5","10","2","1","1") = "9"
    & skf18("1","7","5","10","2","2","1") = "9"
    & skf18("1","7","5","10","2","3","1") = "9"
    & skf18("1","7","5","10","2","4","1") = "9"
    & skf18("1","7","5","10","2","5","1") = "9"
    & skf18("1","7","5","10","2","6","1") = "9"
    & skf18("1","7","5","10","2","7","1") = "9"
    & skf18("1","7","5","10","2","8","1") = "9"
    & skf18("1","7","5","10","2","9","1") = "9"
    & skf18("1","7","5","10","2","10","1") = "9"
    & skf18("1","7","5","10","3","1","1") = "9"
    & skf18("1","7","5","10","3","2","1") = "9"
    & skf18("1","7","5","10","3","3","1") = "9"
    & skf18("1","7","5","10","3","4","1") = "9"
    & skf18("1","7","5","10","3","5","1") = "9"
    & skf18("1","7","5","10","3","6","1") = "9"
    & skf18("1","7","5","10","3","7","1") = "9"
    & skf18("1","7","5","10","3","8","1") = "9"
    & skf18("1","7","5","10","3","9","1") = "9"
    & skf18("1","7","5","10","3","10","1") = "9"
    & skf18("1","7","5","10","4","1","1") = "9"
    & skf18("1","7","5","10","4","2","1") = "9"
    & skf18("1","7","5","10","4","3","1") = "9"
    & skf18("1","7","5","10","4","4","1") = "9"
    & skf18("1","7","5","10","4","5","1") = "9"
    & skf18("1","7","5","10","4","6","1") = "9"
    & skf18("1","7","5","10","4","7","1") = "9"
    & skf18("1","7","5","10","4","8","1") = "9"
    & skf18("1","7","5","10","4","9","1") = "9"
    & skf18("1","7","5","10","4","10","1") = "9"
    & skf18("1","7","5","10","5","1","1") = "9"
    & skf18("1","7","5","10","5","2","1") = "9"
    & skf18("1","7","5","10","5","3","1") = "9"
    & skf18("1","7","5","10","5","4","1") = "9"
    & skf18("1","7","5","10","5","5","1") = "9"
    & skf18("1","7","5","10","5","6","1") = "9"
    & skf18("1","7","5","10","5","7","1") = "9"
    & skf18("1","7","5","10","5","8","1") = "9"
    & skf18("1","7","5","10","5","9","1") = "9"
    & skf18("1","7","5","10","5","10","1") = "9"
    & skf18("1","7","5","10","6","1","1") = "9"
    & skf18("1","7","5","10","6","2","1") = "9"
    & skf18("1","7","5","10","6","3","1") = "9"
    & skf18("1","7","5","10","6","4","1") = "9"
    & skf18("1","7","5","10","6","5","1") = "9"
    & skf18("1","7","5","10","6","6","1") = "9"
    & skf18("1","7","5","10","6","7","1") = "9"
    & skf18("1","7","5","10","6","8","1") = "9"
    & skf18("1","7","5","10","6","9","1") = "9"
    & skf18("1","7","5","10","6","10","1") = "9"
    & skf18("1","7","5","10","7","1","1") = "9"
    & skf18("1","7","5","10","7","2","1") = "9"
    & skf18("1","7","5","10","7","3","1") = "9"
    & skf18("1","7","5","10","7","4","1") = "9"
    & skf18("1","7","5","10","7","5","1") = "9"
    & skf18("1","7","5","10","7","6","1") = "9"
    & skf18("1","7","5","10","7","7","1") = "9"
    & skf18("1","7","5","10","7","8","1") = "9"
    & skf18("1","7","5","10","7","9","1") = "9"
    & skf18("1","7","5","10","7","10","1") = "9"
    & skf18("1","7","5","10","8","1","1") = "9"
    & skf18("1","7","5","10","8","2","1") = "9"
    & skf18("1","7","5","10","8","3","1") = "9"
    & skf18("1","7","5","10","8","4","1") = "9"
    & skf18("1","7","5","10","8","5","1") = "9"
    & skf18("1","7","5","10","8","6","1") = "9"
    & skf18("1","7","5","10","8","7","1") = "9"
    & skf18("1","7","5","10","8","8","1") = "9"
    & skf18("1","7","5","10","8","9","1") = "9"
    & skf18("1","7","5","10","8","10","1") = "9"
    & skf18("1","7","5","10","9","1","1") = "9"
    & skf18("1","7","5","10","9","2","1") = "9"
    & skf18("1","7","5","10","9","3","1") = "9"
    & skf18("1","7","5","10","9","4","1") = "9"
    & skf18("1","7","5","10","9","5","1") = "9"
    & skf18("1","7","5","10","9","6","1") = "9"
    & skf18("1","7","5","10","9","7","1") = "9"
    & skf18("1","7","5","10","9","8","1") = "9"
    & skf18("1","7","5","10","9","9","1") = "9"
    & skf18("1","7","5","10","9","10","1") = "9"
    & skf18("1","7","5","10","10","1","1") = "9"
    & skf18("1","7","5","10","10","2","1") = "9"
    & skf18("1","7","5","10","10","3","1") = "9"
    & skf18("1","7","5","10","10","4","1") = "9"
    & skf18("1","7","5","10","10","5","1") = "9"
    & skf18("1","7","5","10","10","6","1") = "9"
    & skf18("1","7","5","10","10","7","1") = "9"
    & skf18("1","7","5","10","10","8","1") = "9"
    & skf18("1","7","5","10","10","9","1") = "9"
    & skf18("1","7","5","10","10","10","1") = "9"
    & skf18("1","7","6","1","1","1","1") = "6"
    & skf18("1","7","6","1","1","2","1") = "6"
    & skf18("1","7","6","1","1","3","1") = "6"
    & skf18("1","7","6","1","1","4","1") = "6"
    & skf18("1","7","6","1","1","5","1") = "6"
    & skf18("1","7","6","1","1","6","1") = "6"
    & skf18("1","7","6","1","1","7","1") = "6"
    & skf18("1","7","6","1","1","8","1") = "7"
    & skf18("1","7","6","1","1","9","1") = "8"
    & skf18("1","7","6","1","1","10","1") = "9"
    & skf18("1","7","6","1","2","1","1") = "6"
    & skf18("1","7","6","1","2","2","1") = "6"
    & skf18("1","7","6","1","2","3","1") = "6"
    & skf18("1","7","6","1","2","4","1") = "6"
    & skf18("1","7","6","1","2","5","1") = "6"
    & skf18("1","7","6","1","2","6","1") = "6"
    & skf18("1","7","6","1","2","7","1") = "6"
    & skf18("1","7","6","1","2","8","1") = "7"
    & skf18("1","7","6","1","2","9","1") = "8"
    & skf18("1","7","6","1","2","10","1") = "9"
    & skf18("1","7","6","1","3","1","1") = "6"
    & skf18("1","7","6","1","3","2","1") = "6"
    & skf18("1","7","6","1","3","3","1") = "6"
    & skf18("1","7","6","1","3","4","1") = "6"
    & skf18("1","7","6","1","3","5","1") = "6"
    & skf18("1","7","6","1","3","6","1") = "6"
    & skf18("1","7","6","1","3","7","1") = "6"
    & skf18("1","7","6","1","3","8","1") = "7"
    & skf18("1","7","6","1","3","9","1") = "8"
    & skf18("1","7","6","1","3","10","1") = "9"
    & skf18("1","7","6","1","4","1","1") = "6"
    & skf18("1","7","6","1","4","2","1") = "6"
    & skf18("1","7","6","1","4","3","1") = "6"
    & skf18("1","7","6","1","4","4","1") = "6"
    & skf18("1","7","6","1","4","5","1") = "6"
    & skf18("1","7","6","1","4","6","1") = "6"
    & skf18("1","7","6","1","4","7","1") = "6"
    & skf18("1","7","6","1","4","8","1") = "7"
    & skf18("1","7","6","1","4","9","1") = "8"
    & skf18("1","7","6","1","4","10","1") = "9"
    & skf18("1","7","6","1","5","1","1") = "6"
    & skf18("1","7","6","1","5","2","1") = "6"
    & skf18("1","7","6","1","5","3","1") = "6"
    & skf18("1","7","6","1","5","4","1") = "6"
    & skf18("1","7","6","1","5","5","1") = "6"
    & skf18("1","7","6","1","5","6","1") = "6"
    & skf18("1","7","6","1","5","7","1") = "6"
    & skf18("1","7","6","1","5","8","1") = "7"
    & skf18("1","7","6","1","5","9","1") = "8"
    & skf18("1","7","6","1","5","10","1") = "9"
    & skf18("1","7","6","1","6","1","1") = "6"
    & skf18("1","7","6","1","6","2","1") = "6"
    & skf18("1","7","6","1","6","3","1") = "6"
    & skf18("1","7","6","1","6","4","1") = "6"
    & skf18("1","7","6","1","6","5","1") = "6"
    & skf18("1","7","6","1","6","6","1") = "6"
    & skf18("1","7","6","1","6","7","1") = "6"
    & skf18("1","7","6","1","6","8","1") = "7"
    & skf18("1","7","6","1","6","9","1") = "8"
    & skf18("1","7","6","1","6","10","1") = "9"
    & skf18("1","7","6","1","7","1","1") = "6"
    & skf18("1","7","6","1","7","2","1") = "6"
    & skf18("1","7","6","1","7","3","1") = "6"
    & skf18("1","7","6","1","7","4","1") = "6"
    & skf18("1","7","6","1","7","5","1") = "6"
    & skf18("1","7","6","1","7","6","1") = "6"
    & skf18("1","7","6","1","7","7","1") = "6"
    & skf18("1","7","6","1","7","8","1") = "7"
    & skf18("1","7","6","1","7","9","1") = "8"
    & skf18("1","7","6","1","7","10","1") = "9"
    & skf18("1","7","6","1","8","1","1") = "7"
    & skf18("1","7","6","1","8","2","1") = "7"
    & skf18("1","7","6","1","8","3","1") = "7"
    & skf18("1","7","6","1","8","4","1") = "7"
    & skf18("1","7","6","1","8","5","1") = "7"
    & skf18("1","7","6","1","8","6","1") = "7"
    & skf18("1","7","6","1","8","7","1") = "7"
    & skf18("1","7","6","1","8","8","1") = "7"
    & skf18("1","7","6","1","8","9","1") = "8"
    & skf18("1","7","6","1","8","10","1") = "9"
    & skf18("1","7","6","1","9","1","1") = "8"
    & skf18("1","7","6","1","9","2","1") = "8"
    & skf18("1","7","6","1","9","3","1") = "8"
    & skf18("1","7","6","1","9","4","1") = "8"
    & skf18("1","7","6","1","9","5","1") = "8"
    & skf18("1","7","6","1","9","6","1") = "8"
    & skf18("1","7","6","1","9","7","1") = "8"
    & skf18("1","7","6","1","9","8","1") = "8"
    & skf18("1","7","6","1","9","9","1") = "8"
    & skf18("1","7","6","1","9","10","1") = "9"
    & skf18("1","7","6","1","10","1","1") = "9"
    & skf18("1","7","6","1","10","2","1") = "9"
    & skf18("1","7","6","1","10","3","1") = "9"
    & skf18("1","7","6","1","10","4","1") = "9"
    & skf18("1","7","6","1","10","5","1") = "9"
    & skf18("1","7","6","1","10","6","1") = "9"
    & skf18("1","7","6","1","10","7","1") = "9"
    & skf18("1","7","6","1","10","8","1") = "9"
    & skf18("1","7","6","1","10","9","1") = "9"
    & skf18("1","7","6","1","10","10","1") = "9"
    & skf18("1","7","6","2","1","1","1") = "6"
    & skf18("1","7","6","2","1","2","1") = "6"
    & skf18("1","7","6","2","1","3","1") = "6"
    & skf18("1","7","6","2","1","4","1") = "6"
    & skf18("1","7","6","2","1","5","1") = "6"
    & skf18("1","7","6","2","1","6","1") = "6"
    & skf18("1","7","6","2","1","7","1") = "6"
    & skf18("1","7","6","2","1","8","1") = "7"
    & skf18("1","7","6","2","1","9","1") = "8"
    & skf18("1","7","6","2","1","10","1") = "9"
    & skf18("1","7","6","2","2","1","1") = "6"
    & skf18("1","7","6","2","2","2","1") = "6"
    & skf18("1","7","6","2","2","3","1") = "6"
    & skf18("1","7","6","2","2","4","1") = "6"
    & skf18("1","7","6","2","2","5","1") = "6"
    & skf18("1","7","6","2","2","6","1") = "6"
    & skf18("1","7","6","2","2","7","1") = "6"
    & skf18("1","7","6","2","2","8","1") = "7"
    & skf18("1","7","6","2","2","9","1") = "8"
    & skf18("1","7","6","2","2","10","1") = "9"
    & skf18("1","7","6","2","3","1","1") = "6"
    & skf18("1","7","6","2","3","2","1") = "6"
    & skf18("1","7","6","2","3","3","1") = "6"
    & skf18("1","7","6","2","3","4","1") = "6"
    & skf18("1","7","6","2","3","5","1") = "6"
    & skf18("1","7","6","2","3","6","1") = "6"
    & skf18("1","7","6","2","3","7","1") = "6"
    & skf18("1","7","6","2","3","8","1") = "7"
    & skf18("1","7","6","2","3","9","1") = "8"
    & skf18("1","7","6","2","3","10","1") = "9"
    & skf18("1","7","6","2","4","1","1") = "6"
    & skf18("1","7","6","2","4","2","1") = "6"
    & skf18("1","7","6","2","4","3","1") = "6"
    & skf18("1","7","6","2","4","4","1") = "6"
    & skf18("1","7","6","2","4","5","1") = "6"
    & skf18("1","7","6","2","4","6","1") = "6"
    & skf18("1","7","6","2","4","7","1") = "6"
    & skf18("1","7","6","2","4","8","1") = "7"
    & skf18("1","7","6","2","4","9","1") = "8"
    & skf18("1","7","6","2","4","10","1") = "9"
    & skf18("1","7","6","2","5","1","1") = "6"
    & skf18("1","7","6","2","5","2","1") = "6"
    & skf18("1","7","6","2","5","3","1") = "6"
    & skf18("1","7","6","2","5","4","1") = "6"
    & skf18("1","7","6","2","5","5","1") = "6"
    & skf18("1","7","6","2","5","6","1") = "6"
    & skf18("1","7","6","2","5","7","1") = "6"
    & skf18("1","7","6","2","5","8","1") = "7"
    & skf18("1","7","6","2","5","9","1") = "8"
    & skf18("1","7","6","2","5","10","1") = "9"
    & skf18("1","7","6","2","6","1","1") = "6"
    & skf18("1","7","6","2","6","2","1") = "6"
    & skf18("1","7","6","2","6","3","1") = "6"
    & skf18("1","7","6","2","6","4","1") = "6"
    & skf18("1","7","6","2","6","5","1") = "6"
    & skf18("1","7","6","2","6","6","1") = "6"
    & skf18("1","7","6","2","6","7","1") = "6"
    & skf18("1","7","6","2","6","8","1") = "7"
    & skf18("1","7","6","2","6","9","1") = "8"
    & skf18("1","7","6","2","6","10","1") = "9"
    & skf18("1","7","6","2","7","1","1") = "6"
    & skf18("1","7","6","2","7","2","1") = "6"
    & skf18("1","7","6","2","7","3","1") = "6"
    & skf18("1","7","6","2","7","4","1") = "6"
    & skf18("1","7","6","2","7","5","1") = "6"
    & skf18("1","7","6","2","7","6","1") = "6"
    & skf18("1","7","6","2","7","7","1") = "6"
    & skf18("1","7","6","2","7","8","1") = "7"
    & skf18("1","7","6","2","7","9","1") = "8"
    & skf18("1","7","6","2","7","10","1") = "9"
    & skf18("1","7","6","2","8","1","1") = "7"
    & skf18("1","7","6","2","8","2","1") = "7"
    & skf18("1","7","6","2","8","3","1") = "7"
    & skf18("1","7","6","2","8","4","1") = "7"
    & skf18("1","7","6","2","8","5","1") = "7"
    & skf18("1","7","6","2","8","6","1") = "7"
    & skf18("1","7","6","2","8","7","1") = "7"
    & skf18("1","7","6","2","8","8","1") = "7"
    & skf18("1","7","6","2","8","9","1") = "8"
    & skf18("1","7","6","2","8","10","1") = "9"
    & skf18("1","7","6","2","9","1","1") = "8"
    & skf18("1","7","6","2","9","2","1") = "8"
    & skf18("1","7","6","2","9","3","1") = "8"
    & skf18("1","7","6","2","9","4","1") = "8"
    & skf18("1","7","6","2","9","5","1") = "8"
    & skf18("1","7","6","2","9","6","1") = "8"
    & skf18("1","7","6","2","9","7","1") = "8"
    & skf18("1","7","6","2","9","8","1") = "8"
    & skf18("1","7","6","2","9","9","1") = "8"
    & skf18("1","7","6","2","9","10","1") = "9"
    & skf18("1","7","6","2","10","1","1") = "9"
    & skf18("1","7","6","2","10","2","1") = "9"
    & skf18("1","7","6","2","10","3","1") = "9"
    & skf18("1","7","6","2","10","4","1") = "9"
    & skf18("1","7","6","2","10","5","1") = "9"
    & skf18("1","7","6","2","10","6","1") = "9"
    & skf18("1","7","6","2","10","7","1") = "9"
    & skf18("1","7","6","2","10","8","1") = "9"
    & skf18("1","7","6","2","10","9","1") = "9"
    & skf18("1","7","6","2","10","10","1") = "9"
    & skf18("1","7","6","3","1","1","1") = "6"
    & skf18("1","7","6","3","1","2","1") = "6"
    & skf18("1","7","6","3","1","3","1") = "6"
    & skf18("1","7","6","3","1","4","1") = "6"
    & skf18("1","7","6","3","1","5","1") = "6"
    & skf18("1","7","6","3","1","6","1") = "6"
    & skf18("1","7","6","3","1","7","1") = "6"
    & skf18("1","7","6","3","1","8","1") = "7"
    & skf18("1","7","6","3","1","9","1") = "8"
    & skf18("1","7","6","3","1","10","1") = "9"
    & skf18("1","7","6","3","2","1","1") = "6"
    & skf18("1","7","6","3","2","2","1") = "6"
    & skf18("1","7","6","3","2","3","1") = "6"
    & skf18("1","7","6","3","2","4","1") = "6"
    & skf18("1","7","6","3","2","5","1") = "6"
    & skf18("1","7","6","3","2","6","1") = "6"
    & skf18("1","7","6","3","2","7","1") = "6"
    & skf18("1","7","6","3","2","8","1") = "7"
    & skf18("1","7","6","3","2","9","1") = "8"
    & skf18("1","7","6","3","2","10","1") = "9"
    & skf18("1","7","6","3","3","1","1") = "6"
    & skf18("1","7","6","3","3","2","1") = "6"
    & skf18("1","7","6","3","3","3","1") = "6"
    & skf18("1","7","6","3","3","4","1") = "6"
    & skf18("1","7","6","3","3","5","1") = "6"
    & skf18("1","7","6","3","3","6","1") = "6"
    & skf18("1","7","6","3","3","7","1") = "6"
    & skf18("1","7","6","3","3","8","1") = "7"
    & skf18("1","7","6","3","3","9","1") = "8"
    & skf18("1","7","6","3","3","10","1") = "9"
    & skf18("1","7","6","3","4","1","1") = "6"
    & skf18("1","7","6","3","4","2","1") = "6"
    & skf18("1","7","6","3","4","3","1") = "6"
    & skf18("1","7","6","3","4","4","1") = "6"
    & skf18("1","7","6","3","4","5","1") = "6"
    & skf18("1","7","6","3","4","6","1") = "6"
    & skf18("1","7","6","3","4","7","1") = "6"
    & skf18("1","7","6","3","4","8","1") = "7"
    & skf18("1","7","6","3","4","9","1") = "8"
    & skf18("1","7","6","3","4","10","1") = "9"
    & skf18("1","7","6","3","5","1","1") = "6"
    & skf18("1","7","6","3","5","2","1") = "6"
    & skf18("1","7","6","3","5","3","1") = "6"
    & skf18("1","7","6","3","5","4","1") = "6"
    & skf18("1","7","6","3","5","5","1") = "6"
    & skf18("1","7","6","3","5","6","1") = "6"
    & skf18("1","7","6","3","5","7","1") = "6"
    & skf18("1","7","6","3","5","8","1") = "7"
    & skf18("1","7","6","3","5","9","1") = "8"
    & skf18("1","7","6","3","5","10","1") = "9"
    & skf18("1","7","6","3","6","1","1") = "6"
    & skf18("1","7","6","3","6","2","1") = "6"
    & skf18("1","7","6","3","6","3","1") = "6"
    & skf18("1","7","6","3","6","4","1") = "6"
    & skf18("1","7","6","3","6","5","1") = "6"
    & skf18("1","7","6","3","6","6","1") = "6"
    & skf18("1","7","6","3","6","7","1") = "6"
    & skf18("1","7","6","3","6","8","1") = "7"
    & skf18("1","7","6","3","6","9","1") = "8"
    & skf18("1","7","6","3","6","10","1") = "9"
    & skf18("1","7","6","3","7","1","1") = "6"
    & skf18("1","7","6","3","7","2","1") = "6"
    & skf18("1","7","6","3","7","3","1") = "6"
    & skf18("1","7","6","3","7","4","1") = "6"
    & skf18("1","7","6","3","7","5","1") = "6"
    & skf18("1","7","6","3","7","6","1") = "6"
    & skf18("1","7","6","3","7","7","1") = "6"
    & skf18("1","7","6","3","7","8","1") = "7"
    & skf18("1","7","6","3","7","9","1") = "8"
    & skf18("1","7","6","3","7","10","1") = "9"
    & skf18("1","7","6","3","8","1","1") = "7"
    & skf18("1","7","6","3","8","2","1") = "7"
    & skf18("1","7","6","3","8","3","1") = "7"
    & skf18("1","7","6","3","8","4","1") = "7"
    & skf18("1","7","6","3","8","5","1") = "7"
    & skf18("1","7","6","3","8","6","1") = "7"
    & skf18("1","7","6","3","8","7","1") = "7"
    & skf18("1","7","6","3","8","8","1") = "7"
    & skf18("1","7","6","3","8","9","1") = "8"
    & skf18("1","7","6","3","8","10","1") = "9"
    & skf18("1","7","6","3","9","1","1") = "8"
    & skf18("1","7","6","3","9","2","1") = "8"
    & skf18("1","7","6","3","9","3","1") = "8"
    & skf18("1","7","6","3","9","4","1") = "8"
    & skf18("1","7","6","3","9","5","1") = "8"
    & skf18("1","7","6","3","9","6","1") = "8"
    & skf18("1","7","6","3","9","7","1") = "8"
    & skf18("1","7","6","3","9","8","1") = "8"
    & skf18("1","7","6","3","9","9","1") = "8"
    & skf18("1","7","6","3","9","10","1") = "9"
    & skf18("1","7","6","3","10","1","1") = "9"
    & skf18("1","7","6","3","10","2","1") = "9"
    & skf18("1","7","6","3","10","3","1") = "9"
    & skf18("1","7","6","3","10","4","1") = "9"
    & skf18("1","7","6","3","10","5","1") = "9"
    & skf18("1","7","6","3","10","6","1") = "9"
    & skf18("1","7","6","3","10","7","1") = "9"
    & skf18("1","7","6","3","10","8","1") = "9"
    & skf18("1","7","6","3","10","9","1") = "9"
    & skf18("1","7","6","3","10","10","1") = "9"
    & skf18("1","7","6","4","1","1","1") = "6"
    & skf18("1","7","6","4","1","2","1") = "6"
    & skf18("1","7","6","4","1","3","1") = "6"
    & skf18("1","7","6","4","1","4","1") = "6"
    & skf18("1","7","6","4","1","5","1") = "6"
    & skf18("1","7","6","4","1","6","1") = "6"
    & skf18("1","7","6","4","1","7","1") = "6"
    & skf18("1","7","6","4","1","8","1") = "7"
    & skf18("1","7","6","4","1","9","1") = "8"
    & skf18("1","7","6","4","1","10","1") = "9"
    & skf18("1","7","6","4","2","1","1") = "6"
    & skf18("1","7","6","4","2","2","1") = "6"
    & skf18("1","7","6","4","2","3","1") = "6"
    & skf18("1","7","6","4","2","4","1") = "6"
    & skf18("1","7","6","4","2","5","1") = "6"
    & skf18("1","7","6","4","2","6","1") = "6"
    & skf18("1","7","6","4","2","7","1") = "6"
    & skf18("1","7","6","4","2","8","1") = "7"
    & skf18("1","7","6","4","2","9","1") = "8"
    & skf18("1","7","6","4","2","10","1") = "9"
    & skf18("1","7","6","4","3","1","1") = "6"
    & skf18("1","7","6","4","3","2","1") = "6"
    & skf18("1","7","6","4","3","3","1") = "6"
    & skf18("1","7","6","4","3","4","1") = "6"
    & skf18("1","7","6","4","3","5","1") = "6"
    & skf18("1","7","6","4","3","6","1") = "6"
    & skf18("1","7","6","4","3","7","1") = "6"
    & skf18("1","7","6","4","3","8","1") = "7"
    & skf18("1","7","6","4","3","9","1") = "8"
    & skf18("1","7","6","4","3","10","1") = "9"
    & skf18("1","7","6","4","4","1","1") = "6"
    & skf18("1","7","6","4","4","2","1") = "6"
    & skf18("1","7","6","4","4","3","1") = "6"
    & skf18("1","7","6","4","4","4","1") = "6"
    & skf18("1","7","6","4","4","5","1") = "6"
    & skf18("1","7","6","4","4","6","1") = "6"
    & skf18("1","7","6","4","4","7","1") = "6"
    & skf18("1","7","6","4","4","8","1") = "7"
    & skf18("1","7","6","4","4","9","1") = "8"
    & skf18("1","7","6","4","4","10","1") = "9"
    & skf18("1","7","6","4","5","1","1") = "6"
    & skf18("1","7","6","4","5","2","1") = "6"
    & skf18("1","7","6","4","5","3","1") = "6"
    & skf18("1","7","6","4","5","4","1") = "6"
    & skf18("1","7","6","4","5","5","1") = "6"
    & skf18("1","7","6","4","5","6","1") = "6"
    & skf18("1","7","6","4","5","7","1") = "6"
    & skf18("1","7","6","4","5","8","1") = "7"
    & skf18("1","7","6","4","5","9","1") = "8"
    & skf18("1","7","6","4","5","10","1") = "9"
    & skf18("1","7","6","4","6","1","1") = "6"
    & skf18("1","7","6","4","6","2","1") = "6"
    & skf18("1","7","6","4","6","3","1") = "6"
    & skf18("1","7","6","4","6","4","1") = "6"
    & skf18("1","7","6","4","6","5","1") = "6"
    & skf18("1","7","6","4","6","6","1") = "6"
    & skf18("1","7","6","4","6","7","1") = "6"
    & skf18("1","7","6","4","6","8","1") = "7"
    & skf18("1","7","6","4","6","9","1") = "8"
    & skf18("1","7","6","4","6","10","1") = "9"
    & skf18("1","7","6","4","7","1","1") = "6"
    & skf18("1","7","6","4","7","2","1") = "6"
    & skf18("1","7","6","4","7","3","1") = "6"
    & skf18("1","7","6","4","7","4","1") = "6"
    & skf18("1","7","6","4","7","5","1") = "6"
    & skf18("1","7","6","4","7","6","1") = "6"
    & skf18("1","7","6","4","7","7","1") = "6"
    & skf18("1","7","6","4","7","8","1") = "7"
    & skf18("1","7","6","4","7","9","1") = "8"
    & skf18("1","7","6","4","7","10","1") = "9"
    & skf18("1","7","6","4","8","1","1") = "7"
    & skf18("1","7","6","4","8","2","1") = "7"
    & skf18("1","7","6","4","8","3","1") = "7"
    & skf18("1","7","6","4","8","4","1") = "7"
    & skf18("1","7","6","4","8","5","1") = "7"
    & skf18("1","7","6","4","8","6","1") = "7"
    & skf18("1","7","6","4","8","7","1") = "7"
    & skf18("1","7","6","4","8","8","1") = "7"
    & skf18("1","7","6","4","8","9","1") = "8"
    & skf18("1","7","6","4","8","10","1") = "9"
    & skf18("1","7","6","4","9","1","1") = "8"
    & skf18("1","7","6","4","9","2","1") = "8"
    & skf18("1","7","6","4","9","3","1") = "8"
    & skf18("1","7","6","4","9","4","1") = "8"
    & skf18("1","7","6","4","9","5","1") = "8"
    & skf18("1","7","6","4","9","6","1") = "8"
    & skf18("1","7","6","4","9","7","1") = "8"
    & skf18("1","7","6","4","9","8","1") = "8"
    & skf18("1","7","6","4","9","9","1") = "8"
    & skf18("1","7","6","4","9","10","1") = "9"
    & skf18("1","7","6","4","10","1","1") = "9"
    & skf18("1","7","6","4","10","2","1") = "9"
    & skf18("1","7","6","4","10","3","1") = "9"
    & skf18("1","7","6","4","10","4","1") = "9"
    & skf18("1","7","6","4","10","5","1") = "9"
    & skf18("1","7","6","4","10","6","1") = "9"
    & skf18("1","7","6","4","10","7","1") = "9"
    & skf18("1","7","6","4","10","8","1") = "9"
    & skf18("1","7","6","4","10","9","1") = "9"
    & skf18("1","7","6","4","10","10","1") = "9"
    & skf18("1","7","6","5","1","1","1") = "6"
    & skf18("1","7","6","5","1","2","1") = "6"
    & skf18("1","7","6","5","1","3","1") = "6"
    & skf18("1","7","6","5","1","4","1") = "6"
    & skf18("1","7","6","5","1","5","1") = "6"
    & skf18("1","7","6","5","1","6","1") = "6"
    & skf18("1","7","6","5","1","7","1") = "6"
    & skf18("1","7","6","5","1","8","1") = "7"
    & skf18("1","7","6","5","1","9","1") = "8"
    & skf18("1","7","6","5","1","10","1") = "9"
    & skf18("1","7","6","5","2","1","1") = "6"
    & skf18("1","7","6","5","2","2","1") = "6"
    & skf18("1","7","6","5","2","3","1") = "6"
    & skf18("1","7","6","5","2","4","1") = "6"
    & skf18("1","7","6","5","2","5","1") = "6"
    & skf18("1","7","6","5","2","6","1") = "6"
    & skf18("1","7","6","5","2","7","1") = "6"
    & skf18("1","7","6","5","2","8","1") = "7"
    & skf18("1","7","6","5","2","9","1") = "8"
    & skf18("1","7","6","5","2","10","1") = "9"
    & skf18("1","7","6","5","3","1","1") = "6"
    & skf18("1","7","6","5","3","2","1") = "6"
    & skf18("1","7","6","5","3","3","1") = "6"
    & skf18("1","7","6","5","3","4","1") = "6"
    & skf18("1","7","6","5","3","5","1") = "6"
    & skf18("1","7","6","5","3","6","1") = "6"
    & skf18("1","7","6","5","3","7","1") = "6"
    & skf18("1","7","6","5","3","8","1") = "7"
    & skf18("1","7","6","5","3","9","1") = "8"
    & skf18("1","7","6","5","3","10","1") = "9"
    & skf18("1","7","6","5","4","1","1") = "6"
    & skf18("1","7","6","5","4","2","1") = "6"
    & skf18("1","7","6","5","4","3","1") = "6"
    & skf18("1","7","6","5","4","4","1") = "6"
    & skf18("1","7","6","5","4","5","1") = "6"
    & skf18("1","7","6","5","4","6","1") = "6"
    & skf18("1","7","6","5","4","7","1") = "6"
    & skf18("1","7","6","5","4","8","1") = "7"
    & skf18("1","7","6","5","4","9","1") = "8"
    & skf18("1","7","6","5","4","10","1") = "9"
    & skf18("1","7","6","5","5","1","1") = "6"
    & skf18("1","7","6","5","5","2","1") = "6"
    & skf18("1","7","6","5","5","3","1") = "6"
    & skf18("1","7","6","5","5","4","1") = "6"
    & skf18("1","7","6","5","5","5","1") = "6"
    & skf18("1","7","6","5","5","6","1") = "6"
    & skf18("1","7","6","5","5","7","1") = "6"
    & skf18("1","7","6","5","5","8","1") = "7"
    & skf18("1","7","6","5","5","9","1") = "8"
    & skf18("1","7","6","5","5","10","1") = "9"
    & skf18("1","7","6","5","6","1","1") = "6"
    & skf18("1","7","6","5","6","2","1") = "6"
    & skf18("1","7","6","5","6","3","1") = "6"
    & skf18("1","7","6","5","6","4","1") = "6"
    & skf18("1","7","6","5","6","5","1") = "6"
    & skf18("1","7","6","5","6","6","1") = "6"
    & skf18("1","7","6","5","6","7","1") = "6"
    & skf18("1","7","6","5","6","8","1") = "7"
    & skf18("1","7","6","5","6","9","1") = "8"
    & skf18("1","7","6","5","6","10","1") = "9"
    & skf18("1","7","6","5","7","1","1") = "6"
    & skf18("1","7","6","5","7","2","1") = "6"
    & skf18("1","7","6","5","7","3","1") = "6"
    & skf18("1","7","6","5","7","4","1") = "6"
    & skf18("1","7","6","5","7","5","1") = "6"
    & skf18("1","7","6","5","7","6","1") = "6"
    & skf18("1","7","6","5","7","7","1") = "6"
    & skf18("1","7","6","5","7","8","1") = "7"
    & skf18("1","7","6","5","7","9","1") = "8"
    & skf18("1","7","6","5","7","10","1") = "9"
    & skf18("1","7","6","5","8","1","1") = "7"
    & skf18("1","7","6","5","8","2","1") = "7"
    & skf18("1","7","6","5","8","3","1") = "7"
    & skf18("1","7","6","5","8","4","1") = "7"
    & skf18("1","7","6","5","8","5","1") = "7"
    & skf18("1","7","6","5","8","6","1") = "7"
    & skf18("1","7","6","5","8","7","1") = "7"
    & skf18("1","7","6","5","8","8","1") = "7"
    & skf18("1","7","6","5","8","9","1") = "8"
    & skf18("1","7","6","5","8","10","1") = "9"
    & skf18("1","7","6","5","9","1","1") = "8"
    & skf18("1","7","6","5","9","2","1") = "8"
    & skf18("1","7","6","5","9","3","1") = "8"
    & skf18("1","7","6","5","9","4","1") = "8"
    & skf18("1","7","6","5","9","5","1") = "8"
    & skf18("1","7","6","5","9","6","1") = "8"
    & skf18("1","7","6","5","9","7","1") = "8"
    & skf18("1","7","6","5","9","8","1") = "8"
    & skf18("1","7","6","5","9","9","1") = "8"
    & skf18("1","7","6","5","9","10","1") = "9"
    & skf18("1","7","6","5","10","1","1") = "9"
    & skf18("1","7","6","5","10","2","1") = "9"
    & skf18("1","7","6","5","10","3","1") = "9"
    & skf18("1","7","6","5","10","4","1") = "9"
    & skf18("1","7","6","5","10","5","1") = "9"
    & skf18("1","7","6","5","10","6","1") = "9"
    & skf18("1","7","6","5","10","7","1") = "9"
    & skf18("1","7","6","5","10","8","1") = "9"
    & skf18("1","7","6","5","10","9","1") = "9"
    & skf18("1","7","6","5","10","10","1") = "9"
    & skf18("1","7","6","6","1","1","1") = "6"
    & skf18("1","7","6","6","1","2","1") = "6"
    & skf18("1","7","6","6","1","3","1") = "6"
    & skf18("1","7","6","6","1","4","1") = "6"
    & skf18("1","7","6","6","1","5","1") = "6"
    & skf18("1","7","6","6","1","6","1") = "6"
    & skf18("1","7","6","6","1","7","1") = "6"
    & skf18("1","7","6","6","1","8","1") = "7"
    & skf18("1","7","6","6","1","9","1") = "8"
    & skf18("1","7","6","6","1","10","1") = "9"
    & skf18("1","7","6","6","2","1","1") = "6"
    & skf18("1","7","6","6","2","2","1") = "6"
    & skf18("1","7","6","6","2","3","1") = "6"
    & skf18("1","7","6","6","2","4","1") = "6"
    & skf18("1","7","6","6","2","5","1") = "6"
    & skf18("1","7","6","6","2","6","1") = "6"
    & skf18("1","7","6","6","2","7","1") = "6"
    & skf18("1","7","6","6","2","8","1") = "7"
    & skf18("1","7","6","6","2","9","1") = "8"
    & skf18("1","7","6","6","2","10","1") = "9"
    & skf18("1","7","6","6","3","1","1") = "6"
    & skf18("1","7","6","6","3","2","1") = "6"
    & skf18("1","7","6","6","3","3","1") = "6"
    & skf18("1","7","6","6","3","4","1") = "6"
    & skf18("1","7","6","6","3","5","1") = "6"
    & skf18("1","7","6","6","3","6","1") = "6"
    & skf18("1","7","6","6","3","7","1") = "6"
    & skf18("1","7","6","6","3","8","1") = "7"
    & skf18("1","7","6","6","3","9","1") = "8"
    & skf18("1","7","6","6","3","10","1") = "9"
    & skf18("1","7","6","6","4","1","1") = "6"
    & skf18("1","7","6","6","4","2","1") = "6"
    & skf18("1","7","6","6","4","3","1") = "6"
    & skf18("1","7","6","6","4","4","1") = "6"
    & skf18("1","7","6","6","4","5","1") = "6"
    & skf18("1","7","6","6","4","6","1") = "6"
    & skf18("1","7","6","6","4","7","1") = "6"
    & skf18("1","7","6","6","4","8","1") = "7"
    & skf18("1","7","6","6","4","9","1") = "8"
    & skf18("1","7","6","6","4","10","1") = "9"
    & skf18("1","7","6","6","5","1","1") = "6"
    & skf18("1","7","6","6","5","2","1") = "6"
    & skf18("1","7","6","6","5","3","1") = "6"
    & skf18("1","7","6","6","5","4","1") = "6"
    & skf18("1","7","6","6","5","5","1") = "6"
    & skf18("1","7","6","6","5","6","1") = "6"
    & skf18("1","7","6","6","5","7","1") = "6"
    & skf18("1","7","6","6","5","8","1") = "7"
    & skf18("1","7","6","6","5","9","1") = "8"
    & skf18("1","7","6","6","5","10","1") = "9"
    & skf18("1","7","6","6","6","1","1") = "6"
    & skf18("1","7","6","6","6","2","1") = "6"
    & skf18("1","7","6","6","6","3","1") = "6"
    & skf18("1","7","6","6","6","4","1") = "6"
    & skf18("1","7","6","6","6","5","1") = "6"
    & skf18("1","7","6","6","6","6","1") = "6"
    & skf18("1","7","6","6","6","7","1") = "6"
    & skf18("1","7","6","6","6","8","1") = "7"
    & skf18("1","7","6","6","6","9","1") = "8"
    & skf18("1","7","6","6","6","10","1") = "9"
    & skf18("1","7","6","6","7","1","1") = "6"
    & skf18("1","7","6","6","7","2","1") = "6"
    & skf18("1","7","6","6","7","3","1") = "6"
    & skf18("1","7","6","6","7","4","1") = "6"
    & skf18("1","7","6","6","7","5","1") = "6"
    & skf18("1","7","6","6","7","6","1") = "6"
    & skf18("1","7","6","6","7","7","1") = "6"
    & skf18("1","7","6","6","7","8","1") = "7"
    & skf18("1","7","6","6","7","9","1") = "8"
    & skf18("1","7","6","6","7","10","1") = "9"
    & skf18("1","7","6","6","8","1","1") = "7"
    & skf18("1","7","6","6","8","2","1") = "7"
    & skf18("1","7","6","6","8","3","1") = "7"
    & skf18("1","7","6","6","8","4","1") = "7"
    & skf18("1","7","6","6","8","5","1") = "7"
    & skf18("1","7","6","6","8","6","1") = "7"
    & skf18("1","7","6","6","8","7","1") = "7"
    & skf18("1","7","6","6","8","8","1") = "7"
    & skf18("1","7","6","6","8","9","1") = "8"
    & skf18("1","7","6","6","8","10","1") = "9"
    & skf18("1","7","6","6","9","1","1") = "8"
    & skf18("1","7","6","6","9","2","1") = "8"
    & skf18("1","7","6","6","9","3","1") = "8"
    & skf18("1","7","6","6","9","4","1") = "8"
    & skf18("1","7","6","6","9","5","1") = "8"
    & skf18("1","7","6","6","9","6","1") = "8"
    & skf18("1","7","6","6","9","7","1") = "8"
    & skf18("1","7","6","6","9","8","1") = "8"
    & skf18("1","7","6","6","9","9","1") = "8"
    & skf18("1","7","6","6","9","10","1") = "9"
    & skf18("1","7","6","6","10","1","1") = "9"
    & skf18("1","7","6","6","10","2","1") = "9"
    & skf18("1","7","6","6","10","3","1") = "9"
    & skf18("1","7","6","6","10","4","1") = "9"
    & skf18("1","7","6","6","10","5","1") = "9"
    & skf18("1","7","6","6","10","6","1") = "9"
    & skf18("1","7","6","6","10","7","1") = "9"
    & skf18("1","7","6","6","10","8","1") = "9"
    & skf18("1","7","6","6","10","9","1") = "9"
    & skf18("1","7","6","6","10","10","1") = "9"
    & skf18("1","7","6","7","1","1","1") = "6"
    & skf18("1","7","6","7","1","2","1") = "6"
    & skf18("1","7","6","7","1","3","1") = "6"
    & skf18("1","7","6","7","1","4","1") = "6"
    & skf18("1","7","6","7","1","5","1") = "6"
    & skf18("1","7","6","7","1","6","1") = "6"
    & skf18("1","7","6","7","1","7","1") = "6"
    & skf18("1","7","6","7","1","8","1") = "7"
    & skf18("1","7","6","7","1","9","1") = "8"
    & skf18("1","7","6","7","1","10","1") = "9"
    & skf18("1","7","6","7","2","1","1") = "6"
    & skf18("1","7","6","7","2","2","1") = "6"
    & skf18("1","7","6","7","2","3","1") = "6"
    & skf18("1","7","6","7","2","4","1") = "6"
    & skf18("1","7","6","7","2","5","1") = "6"
    & skf18("1","7","6","7","2","6","1") = "6"
    & skf18("1","7","6","7","2","7","1") = "6"
    & skf18("1","7","6","7","2","8","1") = "7"
    & skf18("1","7","6","7","2","9","1") = "8"
    & skf18("1","7","6","7","2","10","1") = "9"
    & skf18("1","7","6","7","3","1","1") = "6"
    & skf18("1","7","6","7","3","2","1") = "6"
    & skf18("1","7","6","7","3","3","1") = "6"
    & skf18("1","7","6","7","3","4","1") = "6"
    & skf18("1","7","6","7","3","5","1") = "6"
    & skf18("1","7","6","7","3","6","1") = "6"
    & skf18("1","7","6","7","3","7","1") = "6"
    & skf18("1","7","6","7","3","8","1") = "7"
    & skf18("1","7","6","7","3","9","1") = "8"
    & skf18("1","7","6","7","3","10","1") = "9"
    & skf18("1","7","6","7","4","1","1") = "6"
    & skf18("1","7","6","7","4","2","1") = "6"
    & skf18("1","7","6","7","4","3","1") = "6"
    & skf18("1","7","6","7","4","4","1") = "6"
    & skf18("1","7","6","7","4","5","1") = "6"
    & skf18("1","7","6","7","4","6","1") = "6"
    & skf18("1","7","6","7","4","7","1") = "6"
    & skf18("1","7","6","7","4","8","1") = "7"
    & skf18("1","7","6","7","4","9","1") = "8"
    & skf18("1","7","6","7","4","10","1") = "9"
    & skf18("1","7","6","7","5","1","1") = "6"
    & skf18("1","7","6","7","5","2","1") = "6"
    & skf18("1","7","6","7","5","3","1") = "6"
    & skf18("1","7","6","7","5","4","1") = "6"
    & skf18("1","7","6","7","5","5","1") = "6"
    & skf18("1","7","6","7","5","6","1") = "6"
    & skf18("1","7","6","7","5","7","1") = "6"
    & skf18("1","7","6","7","5","8","1") = "7"
    & skf18("1","7","6","7","5","9","1") = "8"
    & skf18("1","7","6","7","5","10","1") = "9"
    & skf18("1","7","6","7","6","1","1") = "6"
    & skf18("1","7","6","7","6","2","1") = "6"
    & skf18("1","7","6","7","6","3","1") = "6"
    & skf18("1","7","6","7","6","4","1") = "6"
    & skf18("1","7","6","7","6","5","1") = "6"
    & skf18("1","7","6","7","6","6","1") = "6"
    & skf18("1","7","6","7","6","7","1") = "6"
    & skf18("1","7","6","7","6","8","1") = "7"
    & skf18("1","7","6","7","6","9","1") = "8"
    & skf18("1","7","6","7","6","10","1") = "9"
    & skf18("1","7","6","7","7","1","1") = "6"
    & skf18("1","7","6","7","7","2","1") = "6"
    & skf18("1","7","6","7","7","3","1") = "6"
    & skf18("1","7","6","7","7","4","1") = "6"
    & skf18("1","7","6","7","7","5","1") = "6"
    & skf18("1","7","6","7","7","6","1") = "6"
    & skf18("1","7","6","7","7","7","1") = "6"
    & skf18("1","7","6","7","7","8","1") = "7"
    & skf18("1","7","6","7","7","9","1") = "8"
    & skf18("1","7","6","7","7","10","1") = "9"
    & skf18("1","7","6","7","8","1","1") = "7"
    & skf18("1","7","6","7","8","2","1") = "7"
    & skf18("1","7","6","7","8","3","1") = "7"
    & skf18("1","7","6","7","8","4","1") = "7"
    & skf18("1","7","6","7","8","5","1") = "7"
    & skf18("1","7","6","7","8","6","1") = "7"
    & skf18("1","7","6","7","8","7","1") = "7"
    & skf18("1","7","6","7","8","8","1") = "7"
    & skf18("1","7","6","7","8","9","1") = "8"
    & skf18("1","7","6","7","8","10","1") = "9"
    & skf18("1","7","6","7","9","1","1") = "8"
    & skf18("1","7","6","7","9","2","1") = "8"
    & skf18("1","7","6","7","9","3","1") = "8"
    & skf18("1","7","6","7","9","4","1") = "8"
    & skf18("1","7","6","7","9","5","1") = "8"
    & skf18("1","7","6","7","9","6","1") = "8"
    & skf18("1","7","6","7","9","7","1") = "8"
    & skf18("1","7","6","7","9","8","1") = "8"
    & skf18("1","7","6","7","9","9","1") = "8"
    & skf18("1","7","6","7","9","10","1") = "9"
    & skf18("1","7","6","7","10","1","1") = "9"
    & skf18("1","7","6","7","10","2","1") = "9"
    & skf18("1","7","6","7","10","3","1") = "9"
    & skf18("1","7","6","7","10","4","1") = "9"
    & skf18("1","7","6","7","10","5","1") = "9"
    & skf18("1","7","6","7","10","6","1") = "9"
    & skf18("1","7","6","7","10","7","1") = "9"
    & skf18("1","7","6","7","10","8","1") = "9"
    & skf18("1","7","6","7","10","9","1") = "9"
    & skf18("1","7","6","7","10","10","1") = "9"
    & skf18("1","7","6","8","1","1","1") = "7"
    & skf18("1","7","6","8","1","2","1") = "7"
    & skf18("1","7","6","8","1","3","1") = "7"
    & skf18("1","7","6","8","1","4","1") = "7"
    & skf18("1","7","6","8","1","5","1") = "7"
    & skf18("1","7","6","8","1","6","1") = "7"
    & skf18("1","7","6","8","1","7","1") = "7"
    & skf18("1","7","6","8","1","8","1") = "7"
    & skf18("1","7","6","8","1","9","1") = "8"
    & skf18("1","7","6","8","1","10","1") = "9"
    & skf18("1","7","6","8","2","1","1") = "7"
    & skf18("1","7","6","8","2","2","1") = "7"
    & skf18("1","7","6","8","2","3","1") = "7"
    & skf18("1","7","6","8","2","4","1") = "7"
    & skf18("1","7","6","8","2","5","1") = "7"
    & skf18("1","7","6","8","2","6","1") = "7"
    & skf18("1","7","6","8","2","7","1") = "7"
    & skf18("1","7","6","8","2","8","1") = "7"
    & skf18("1","7","6","8","2","9","1") = "8"
    & skf18("1","7","6","8","2","10","1") = "9"
    & skf18("1","7","6","8","3","1","1") = "7"
    & skf18("1","7","6","8","3","2","1") = "7"
    & skf18("1","7","6","8","3","3","1") = "7"
    & skf18("1","7","6","8","3","4","1") = "7"
    & skf18("1","7","6","8","3","5","1") = "7"
    & skf18("1","7","6","8","3","6","1") = "7"
    & skf18("1","7","6","8","3","7","1") = "7"
    & skf18("1","7","6","8","3","8","1") = "7"
    & skf18("1","7","6","8","3","9","1") = "8"
    & skf18("1","7","6","8","3","10","1") = "9"
    & skf18("1","7","6","8","4","1","1") = "7"
    & skf18("1","7","6","8","4","2","1") = "7"
    & skf18("1","7","6","8","4","3","1") = "7"
    & skf18("1","7","6","8","4","4","1") = "7"
    & skf18("1","7","6","8","4","5","1") = "7"
    & skf18("1","7","6","8","4","6","1") = "7"
    & skf18("1","7","6","8","4","7","1") = "7"
    & skf18("1","7","6","8","4","8","1") = "7"
    & skf18("1","7","6","8","4","9","1") = "8"
    & skf18("1","7","6","8","4","10","1") = "9"
    & skf18("1","7","6","8","5","1","1") = "7"
    & skf18("1","7","6","8","5","2","1") = "7"
    & skf18("1","7","6","8","5","3","1") = "7"
    & skf18("1","7","6","8","5","4","1") = "7"
    & skf18("1","7","6","8","5","5","1") = "7"
    & skf18("1","7","6","8","5","6","1") = "7"
    & skf18("1","7","6","8","5","7","1") = "7"
    & skf18("1","7","6","8","5","8","1") = "7"
    & skf18("1","7","6","8","5","9","1") = "8"
    & skf18("1","7","6","8","5","10","1") = "9"
    & skf18("1","7","6","8","6","1","1") = "7"
    & skf18("1","7","6","8","6","2","1") = "7"
    & skf18("1","7","6","8","6","3","1") = "7"
    & skf18("1","7","6","8","6","4","1") = "7"
    & skf18("1","7","6","8","6","5","1") = "7"
    & skf18("1","7","6","8","6","6","1") = "7"
    & skf18("1","7","6","8","6","7","1") = "7"
    & skf18("1","7","6","8","6","8","1") = "7"
    & skf18("1","7","6","8","6","9","1") = "8"
    & skf18("1","7","6","8","6","10","1") = "9"
    & skf18("1","7","6","8","7","1","1") = "7"
    & skf18("1","7","6","8","7","2","1") = "7"
    & skf18("1","7","6","8","7","3","1") = "7"
    & skf18("1","7","6","8","7","4","1") = "7"
    & skf18("1","7","6","8","7","5","1") = "7"
    & skf18("1","7","6","8","7","6","1") = "7"
    & skf18("1","7","6","8","7","7","1") = "7"
    & skf18("1","7","6","8","7","8","1") = "7"
    & skf18("1","7","6","8","7","9","1") = "8"
    & skf18("1","7","6","8","7","10","1") = "9"
    & skf18("1","7","6","8","8","1","1") = "7"
    & skf18("1","7","6","8","8","2","1") = "7"
    & skf18("1","7","6","8","8","3","1") = "7"
    & skf18("1","7","6","8","8","4","1") = "7"
    & skf18("1","7","6","8","8","5","1") = "7"
    & skf18("1","7","6","8","8","6","1") = "7"
    & skf18("1","7","6","8","8","7","1") = "7"
    & skf18("1","7","6","8","8","8","1") = "7"
    & skf18("1","7","6","8","8","9","1") = "8"
    & skf18("1","7","6","8","8","10","1") = "9"
    & skf18("1","7","6","8","9","1","1") = "8"
    & skf18("1","7","6","8","9","2","1") = "8"
    & skf18("1","7","6","8","9","3","1") = "8"
    & skf18("1","7","6","8","9","4","1") = "8"
    & skf18("1","7","6","8","9","5","1") = "8"
    & skf18("1","7","6","8","9","6","1") = "8"
    & skf18("1","7","6","8","9","7","1") = "8"
    & skf18("1","7","6","8","9","8","1") = "8"
    & skf18("1","7","6","8","9","9","1") = "8"
    & skf18("1","7","6","8","9","10","1") = "9"
    & skf18("1","7","6","8","10","1","1") = "9"
    & skf18("1","7","6","8","10","2","1") = "9"
    & skf18("1","7","6","8","10","3","1") = "9"
    & skf18("1","7","6","8","10","4","1") = "9"
    & skf18("1","7","6","8","10","5","1") = "9"
    & skf18("1","7","6","8","10","6","1") = "9"
    & skf18("1","7","6","8","10","7","1") = "9"
    & skf18("1","7","6","8","10","8","1") = "9"
    & skf18("1","7","6","8","10","9","1") = "9"
    & skf18("1","7","6","8","10","10","1") = "9"
    & skf18("1","7","6","9","1","1","1") = "8"
    & skf18("1","7","6","9","1","2","1") = "8"
    & skf18("1","7","6","9","1","3","1") = "8"
    & skf18("1","7","6","9","1","4","1") = "8"
    & skf18("1","7","6","9","1","5","1") = "8"
    & skf18("1","7","6","9","1","6","1") = "8"
    & skf18("1","7","6","9","1","7","1") = "8"
    & skf18("1","7","6","9","1","8","1") = "8"
    & skf18("1","7","6","9","1","9","1") = "8"
    & skf18("1","7","6","9","1","10","1") = "9"
    & skf18("1","7","6","9","2","1","1") = "8"
    & skf18("1","7","6","9","2","2","1") = "8"
    & skf18("1","7","6","9","2","3","1") = "8"
    & skf18("1","7","6","9","2","4","1") = "8"
    & skf18("1","7","6","9","2","5","1") = "8"
    & skf18("1","7","6","9","2","6","1") = "8"
    & skf18("1","7","6","9","2","7","1") = "8"
    & skf18("1","7","6","9","2","8","1") = "8"
    & skf18("1","7","6","9","2","9","1") = "8"
    & skf18("1","7","6","9","2","10","1") = "9"
    & skf18("1","7","6","9","3","1","1") = "8"
    & skf18("1","7","6","9","3","2","1") = "8"
    & skf18("1","7","6","9","3","3","1") = "8"
    & skf18("1","7","6","9","3","4","1") = "8"
    & skf18("1","7","6","9","3","5","1") = "8"
    & skf18("1","7","6","9","3","6","1") = "8"
    & skf18("1","7","6","9","3","7","1") = "8"
    & skf18("1","7","6","9","3","8","1") = "8"
    & skf18("1","7","6","9","3","9","1") = "8"
    & skf18("1","7","6","9","3","10","1") = "9"
    & skf18("1","7","6","9","4","1","1") = "8"
    & skf18("1","7","6","9","4","2","1") = "8"
    & skf18("1","7","6","9","4","3","1") = "8"
    & skf18("1","7","6","9","4","4","1") = "8"
    & skf18("1","7","6","9","4","5","1") = "8"
    & skf18("1","7","6","9","4","6","1") = "8"
    & skf18("1","7","6","9","4","7","1") = "8"
    & skf18("1","7","6","9","4","8","1") = "8"
    & skf18("1","7","6","9","4","9","1") = "8"
    & skf18("1","7","6","9","4","10","1") = "9"
    & skf18("1","7","6","9","5","1","1") = "8"
    & skf18("1","7","6","9","5","2","1") = "8"
    & skf18("1","7","6","9","5","3","1") = "8"
    & skf18("1","7","6","9","5","4","1") = "8"
    & skf18("1","7","6","9","5","5","1") = "8"
    & skf18("1","7","6","9","5","6","1") = "8"
    & skf18("1","7","6","9","5","7","1") = "8"
    & skf18("1","7","6","9","5","8","1") = "8"
    & skf18("1","7","6","9","5","9","1") = "8"
    & skf18("1","7","6","9","5","10","1") = "9"
    & skf18("1","7","6","9","6","1","1") = "8"
    & skf18("1","7","6","9","6","2","1") = "8"
    & skf18("1","7","6","9","6","3","1") = "8"
    & skf18("1","7","6","9","6","4","1") = "8"
    & skf18("1","7","6","9","6","5","1") = "8"
    & skf18("1","7","6","9","6","6","1") = "8"
    & skf18("1","7","6","9","6","7","1") = "8"
    & skf18("1","7","6","9","6","8","1") = "8"
    & skf18("1","7","6","9","6","9","1") = "8"
    & skf18("1","7","6","9","6","10","1") = "9"
    & skf18("1","7","6","9","7","1","1") = "8"
    & skf18("1","7","6","9","7","2","1") = "8"
    & skf18("1","7","6","9","7","3","1") = "8"
    & skf18("1","7","6","9","7","4","1") = "8"
    & skf18("1","7","6","9","7","5","1") = "8"
    & skf18("1","7","6","9","7","6","1") = "8"
    & skf18("1","7","6","9","7","7","1") = "8"
    & skf18("1","7","6","9","7","8","1") = "8"
    & skf18("1","7","6","9","7","9","1") = "8"
    & skf18("1","7","6","9","7","10","1") = "9"
    & skf18("1","7","6","9","8","1","1") = "8"
    & skf18("1","7","6","9","8","2","1") = "8"
    & skf18("1","7","6","9","8","3","1") = "8"
    & skf18("1","7","6","9","8","4","1") = "8"
    & skf18("1","7","6","9","8","5","1") = "8"
    & skf18("1","7","6","9","8","6","1") = "8"
    & skf18("1","7","6","9","8","7","1") = "8"
    & skf18("1","7","6","9","8","8","1") = "8"
    & skf18("1","7","6","9","8","9","1") = "8"
    & skf18("1","7","6","9","8","10","1") = "9"
    & skf18("1","7","6","9","9","1","1") = "8"
    & skf18("1","7","6","9","9","2","1") = "8"
    & skf18("1","7","6","9","9","3","1") = "8"
    & skf18("1","7","6","9","9","4","1") = "8"
    & skf18("1","7","6","9","9","5","1") = "8"
    & skf18("1","7","6","9","9","6","1") = "8"
    & skf18("1","7","6","9","9","7","1") = "8"
    & skf18("1","7","6","9","9","8","1") = "8"
    & skf18("1","7","6","9","9","9","1") = "8"
    & skf18("1","7","6","9","9","10","1") = "9"
    & skf18("1","7","6","9","10","1","1") = "9"
    & skf18("1","7","6","9","10","2","1") = "9"
    & skf18("1","7","6","9","10","3","1") = "9"
    & skf18("1","7","6","9","10","4","1") = "9"
    & skf18("1","7","6","9","10","5","1") = "9"
    & skf18("1","7","6","9","10","6","1") = "9"
    & skf18("1","7","6","9","10","7","1") = "9"
    & skf18("1","7","6","9","10","8","1") = "9"
    & skf18("1","7","6","9","10","9","1") = "9"
    & skf18("1","7","6","9","10","10","1") = "9"
    & skf18("1","7","6","10","1","1","1") = "9"
    & skf18("1","7","6","10","1","2","1") = "9"
    & skf18("1","7","6","10","1","3","1") = "9"
    & skf18("1","7","6","10","1","4","1") = "9"
    & skf18("1","7","6","10","1","5","1") = "9"
    & skf18("1","7","6","10","1","6","1") = "9"
    & skf18("1","7","6","10","1","7","1") = "9"
    & skf18("1","7","6","10","1","8","1") = "9"
    & skf18("1","7","6","10","1","9","1") = "9"
    & skf18("1","7","6","10","1","10","1") = "9"
    & skf18("1","7","6","10","2","1","1") = "9"
    & skf18("1","7","6","10","2","2","1") = "9"
    & skf18("1","7","6","10","2","3","1") = "9"
    & skf18("1","7","6","10","2","4","1") = "9"
    & skf18("1","7","6","10","2","5","1") = "9"
    & skf18("1","7","6","10","2","6","1") = "9"
    & skf18("1","7","6","10","2","7","1") = "9"
    & skf18("1","7","6","10","2","8","1") = "9"
    & skf18("1","7","6","10","2","9","1") = "9"
    & skf18("1","7","6","10","2","10","1") = "9"
    & skf18("1","7","6","10","3","1","1") = "9"
    & skf18("1","7","6","10","3","2","1") = "9"
    & skf18("1","7","6","10","3","3","1") = "9"
    & skf18("1","7","6","10","3","4","1") = "9"
    & skf18("1","7","6","10","3","5","1") = "9"
    & skf18("1","7","6","10","3","6","1") = "9"
    & skf18("1","7","6","10","3","7","1") = "9"
    & skf18("1","7","6","10","3","8","1") = "9"
    & skf18("1","7","6","10","3","9","1") = "9"
    & skf18("1","7","6","10","3","10","1") = "9"
    & skf18("1","7","6","10","4","1","1") = "9"
    & skf18("1","7","6","10","4","2","1") = "9"
    & skf18("1","7","6","10","4","3","1") = "9"
    & skf18("1","7","6","10","4","4","1") = "9"
    & skf18("1","7","6","10","4","5","1") = "9"
    & skf18("1","7","6","10","4","6","1") = "9"
    & skf18("1","7","6","10","4","7","1") = "9"
    & skf18("1","7","6","10","4","8","1") = "9"
    & skf18("1","7","6","10","4","9","1") = "9"
    & skf18("1","7","6","10","4","10","1") = "9"
    & skf18("1","7","6","10","5","1","1") = "9"
    & skf18("1","7","6","10","5","2","1") = "9"
    & skf18("1","7","6","10","5","3","1") = "9"
    & skf18("1","7","6","10","5","4","1") = "9"
    & skf18("1","7","6","10","5","5","1") = "9"
    & skf18("1","7","6","10","5","6","1") = "9"
    & skf18("1","7","6","10","5","7","1") = "9"
    & skf18("1","7","6","10","5","8","1") = "9"
    & skf18("1","7","6","10","5","9","1") = "9"
    & skf18("1","7","6","10","5","10","1") = "9"
    & skf18("1","7","6","10","6","1","1") = "9"
    & skf18("1","7","6","10","6","2","1") = "9"
    & skf18("1","7","6","10","6","3","1") = "9"
    & skf18("1","7","6","10","6","4","1") = "9"
    & skf18("1","7","6","10","6","5","1") = "9"
    & skf18("1","7","6","10","6","6","1") = "9"
    & skf18("1","7","6","10","6","7","1") = "9"
    & skf18("1","7","6","10","6","8","1") = "9"
    & skf18("1","7","6","10","6","9","1") = "9"
    & skf18("1","7","6","10","6","10","1") = "9"
    & skf18("1","7","6","10","7","1","1") = "9"
    & skf18("1","7","6","10","7","2","1") = "9"
    & skf18("1","7","6","10","7","3","1") = "9"
    & skf18("1","7","6","10","7","4","1") = "9"
    & skf18("1","7","6","10","7","5","1") = "9"
    & skf18("1","7","6","10","7","6","1") = "9"
    & skf18("1","7","6","10","7","7","1") = "9"
    & skf18("1","7","6","10","7","8","1") = "9"
    & skf18("1","7","6","10","7","9","1") = "9"
    & skf18("1","7","6","10","7","10","1") = "9"
    & skf18("1","7","6","10","8","1","1") = "9"
    & skf18("1","7","6","10","8","2","1") = "9"
    & skf18("1","7","6","10","8","3","1") = "9"
    & skf18("1","7","6","10","8","4","1") = "9"
    & skf18("1","7","6","10","8","5","1") = "9"
    & skf18("1","7","6","10","8","6","1") = "9"
    & skf18("1","7","6","10","8","7","1") = "9"
    & skf18("1","7","6","10","8","8","1") = "9"
    & skf18("1","7","6","10","8","9","1") = "9"
    & skf18("1","7","6","10","8","10","1") = "9"
    & skf18("1","7","6","10","9","1","1") = "9"
    & skf18("1","7","6","10","9","2","1") = "9"
    & skf18("1","7","6","10","9","3","1") = "9"
    & skf18("1","7","6","10","9","4","1") = "9"
    & skf18("1","7","6","10","9","5","1") = "9"
    & skf18("1","7","6","10","9","6","1") = "9"
    & skf18("1","7","6","10","9","7","1") = "9"
    & skf18("1","7","6","10","9","8","1") = "9"
    & skf18("1","7","6","10","9","9","1") = "9"
    & skf18("1","7","6","10","9","10","1") = "9"
    & skf18("1","7","6","10","10","1","1") = "9"
    & skf18("1","7","6","10","10","2","1") = "9"
    & skf18("1","7","6","10","10","3","1") = "9"
    & skf18("1","7","6","10","10","4","1") = "9"
    & skf18("1","7","6","10","10","5","1") = "9"
    & skf18("1","7","6","10","10","6","1") = "9"
    & skf18("1","7","6","10","10","7","1") = "9"
    & skf18("1","7","6","10","10","8","1") = "9"
    & skf18("1","7","6","10","10","9","1") = "9"
    & skf18("1","7","6","10","10","10","1") = "9"
    & skf18("1","7","7","1","1","1","1") = "6"
    & skf18("1","7","7","1","1","2","1") = "6"
    & skf18("1","7","7","1","1","3","1") = "6"
    & skf18("1","7","7","1","1","4","1") = "6"
    & skf18("1","7","7","1","1","5","1") = "6"
    & skf18("1","7","7","1","1","6","1") = "6"
    & skf18("1","7","7","1","1","7","1") = "6"
    & skf18("1","7","7","1","1","8","1") = "7"
    & skf18("1","7","7","1","1","9","1") = "8"
    & skf18("1","7","7","1","1","10","1") = "9"
    & skf18("1","7","7","1","2","1","1") = "6"
    & skf18("1","7","7","1","2","2","1") = "6"
    & skf18("1","7","7","1","2","3","1") = "6"
    & skf18("1","7","7","1","2","4","1") = "6"
    & skf18("1","7","7","1","2","5","1") = "6"
    & skf18("1","7","7","1","2","6","1") = "6"
    & skf18("1","7","7","1","2","7","1") = "6"
    & skf18("1","7","7","1","2","8","1") = "7"
    & skf18("1","7","7","1","2","9","1") = "8"
    & skf18("1","7","7","1","2","10","1") = "9"
    & skf18("1","7","7","1","3","1","1") = "6"
    & skf18("1","7","7","1","3","2","1") = "6"
    & skf18("1","7","7","1","3","3","1") = "6"
    & skf18("1","7","7","1","3","4","1") = "6"
    & skf18("1","7","7","1","3","5","1") = "6"
    & skf18("1","7","7","1","3","6","1") = "6"
    & skf18("1","7","7","1","3","7","1") = "6"
    & skf18("1","7","7","1","3","8","1") = "7"
    & skf18("1","7","7","1","3","9","1") = "8"
    & skf18("1","7","7","1","3","10","1") = "9"
    & skf18("1","7","7","1","4","1","1") = "6"
    & skf18("1","7","7","1","4","2","1") = "6"
    & skf18("1","7","7","1","4","3","1") = "6"
    & skf18("1","7","7","1","4","4","1") = "6"
    & skf18("1","7","7","1","4","5","1") = "6"
    & skf18("1","7","7","1","4","6","1") = "6"
    & skf18("1","7","7","1","4","7","1") = "6"
    & skf18("1","7","7","1","4","8","1") = "7"
    & skf18("1","7","7","1","4","9","1") = "8"
    & skf18("1","7","7","1","4","10","1") = "9"
    & skf18("1","7","7","1","5","1","1") = "6"
    & skf18("1","7","7","1","5","2","1") = "6"
    & skf18("1","7","7","1","5","3","1") = "6"
    & skf18("1","7","7","1","5","4","1") = "6"
    & skf18("1","7","7","1","5","5","1") = "6"
    & skf18("1","7","7","1","5","6","1") = "6"
    & skf18("1","7","7","1","5","7","1") = "6"
    & skf18("1","7","7","1","5","8","1") = "7"
    & skf18("1","7","7","1","5","9","1") = "8"
    & skf18("1","7","7","1","5","10","1") = "9"
    & skf18("1","7","7","1","6","1","1") = "6"
    & skf18("1","7","7","1","6","2","1") = "6"
    & skf18("1","7","7","1","6","3","1") = "6"
    & skf18("1","7","7","1","6","4","1") = "6"
    & skf18("1","7","7","1","6","5","1") = "6"
    & skf18("1","7","7","1","6","6","1") = "6"
    & skf18("1","7","7","1","6","7","1") = "6"
    & skf18("1","7","7","1","6","8","1") = "7"
    & skf18("1","7","7","1","6","9","1") = "8"
    & skf18("1","7","7","1","6","10","1") = "9"
    & skf18("1","7","7","1","7","1","1") = "6"
    & skf18("1","7","7","1","7","2","1") = "6"
    & skf18("1","7","7","1","7","3","1") = "6"
    & skf18("1","7","7","1","7","4","1") = "6"
    & skf18("1","7","7","1","7","5","1") = "6"
    & skf18("1","7","7","1","7","6","1") = "6"
    & skf18("1","7","7","1","7","7","1") = "6"
    & skf18("1","7","7","1","7","8","1") = "7"
    & skf18("1","7","7","1","7","9","1") = "8"
    & skf18("1","7","7","1","7","10","1") = "9"
    & skf18("1","7","7","1","8","1","1") = "7"
    & skf18("1","7","7","1","8","2","1") = "7"
    & skf18("1","7","7","1","8","3","1") = "7"
    & skf18("1","7","7","1","8","4","1") = "7"
    & skf18("1","7","7","1","8","5","1") = "7"
    & skf18("1","7","7","1","8","6","1") = "7"
    & skf18("1","7","7","1","8","7","1") = "7"
    & skf18("1","7","7","1","8","8","1") = "7"
    & skf18("1","7","7","1","8","9","1") = "8"
    & skf18("1","7","7","1","8","10","1") = "9"
    & skf18("1","7","7","1","9","1","1") = "8"
    & skf18("1","7","7","1","9","2","1") = "8"
    & skf18("1","7","7","1","9","3","1") = "8"
    & skf18("1","7","7","1","9","4","1") = "8"
    & skf18("1","7","7","1","9","5","1") = "8"
    & skf18("1","7","7","1","9","6","1") = "8"
    & skf18("1","7","7","1","9","7","1") = "8"
    & skf18("1","7","7","1","9","8","1") = "8"
    & skf18("1","7","7","1","9","9","1") = "8"
    & skf18("1","7","7","1","9","10","1") = "9"
    & skf18("1","7","7","1","10","1","1") = "9"
    & skf18("1","7","7","1","10","2","1") = "9"
    & skf18("1","7","7","1","10","3","1") = "9"
    & skf18("1","7","7","1","10","4","1") = "9"
    & skf18("1","7","7","1","10","5","1") = "9"
    & skf18("1","7","7","1","10","6","1") = "9"
    & skf18("1","7","7","1","10","7","1") = "9"
    & skf18("1","7","7","1","10","8","1") = "9"
    & skf18("1","7","7","1","10","9","1") = "9"
    & skf18("1","7","7","1","10","10","1") = "9"
    & skf18("1","7","7","2","1","1","1") = "6"
    & skf18("1","7","7","2","1","2","1") = "6"
    & skf18("1","7","7","2","1","3","1") = "6"
    & skf18("1","7","7","2","1","4","1") = "6"
    & skf18("1","7","7","2","1","5","1") = "6"
    & skf18("1","7","7","2","1","6","1") = "6"
    & skf18("1","7","7","2","1","7","1") = "6"
    & skf18("1","7","7","2","1","8","1") = "7"
    & skf18("1","7","7","2","1","9","1") = "8"
    & skf18("1","7","7","2","1","10","1") = "9"
    & skf18("1","7","7","2","2","1","1") = "6"
    & skf18("1","7","7","2","2","2","1") = "6"
    & skf18("1","7","7","2","2","3","1") = "6"
    & skf18("1","7","7","2","2","4","1") = "6"
    & skf18("1","7","7","2","2","5","1") = "6"
    & skf18("1","7","7","2","2","6","1") = "6"
    & skf18("1","7","7","2","2","7","1") = "6"
    & skf18("1","7","7","2","2","8","1") = "7"
    & skf18("1","7","7","2","2","9","1") = "8"
    & skf18("1","7","7","2","2","10","1") = "9"
    & skf18("1","7","7","2","3","1","1") = "6"
    & skf18("1","7","7","2","3","2","1") = "6"
    & skf18("1","7","7","2","3","3","1") = "6"
    & skf18("1","7","7","2","3","4","1") = "6"
    & skf18("1","7","7","2","3","5","1") = "6"
    & skf18("1","7","7","2","3","6","1") = "6"
    & skf18("1","7","7","2","3","7","1") = "6"
    & skf18("1","7","7","2","3","8","1") = "7"
    & skf18("1","7","7","2","3","9","1") = "8"
    & skf18("1","7","7","2","3","10","1") = "9"
    & skf18("1","7","7","2","4","1","1") = "6"
    & skf18("1","7","7","2","4","2","1") = "6"
    & skf18("1","7","7","2","4","3","1") = "6"
    & skf18("1","7","7","2","4","4","1") = "6"
    & skf18("1","7","7","2","4","5","1") = "6"
    & skf18("1","7","7","2","4","6","1") = "6"
    & skf18("1","7","7","2","4","7","1") = "6"
    & skf18("1","7","7","2","4","8","1") = "7"
    & skf18("1","7","7","2","4","9","1") = "8"
    & skf18("1","7","7","2","4","10","1") = "9"
    & skf18("1","7","7","2","5","1","1") = "6"
    & skf18("1","7","7","2","5","2","1") = "6"
    & skf18("1","7","7","2","5","3","1") = "6"
    & skf18("1","7","7","2","5","4","1") = "6"
    & skf18("1","7","7","2","5","5","1") = "6"
    & skf18("1","7","7","2","5","6","1") = "6"
    & skf18("1","7","7","2","5","7","1") = "6"
    & skf18("1","7","7","2","5","8","1") = "7"
    & skf18("1","7","7","2","5","9","1") = "8"
    & skf18("1","7","7","2","5","10","1") = "9"
    & skf18("1","7","7","2","6","1","1") = "6"
    & skf18("1","7","7","2","6","2","1") = "6"
    & skf18("1","7","7","2","6","3","1") = "6"
    & skf18("1","7","7","2","6","4","1") = "6"
    & skf18("1","7","7","2","6","5","1") = "6"
    & skf18("1","7","7","2","6","6","1") = "6"
    & skf18("1","7","7","2","6","7","1") = "6"
    & skf18("1","7","7","2","6","8","1") = "7"
    & skf18("1","7","7","2","6","9","1") = "8"
    & skf18("1","7","7","2","6","10","1") = "9"
    & skf18("1","7","7","2","7","1","1") = "6"
    & skf18("1","7","7","2","7","2","1") = "6"
    & skf18("1","7","7","2","7","3","1") = "6"
    & skf18("1","7","7","2","7","4","1") = "6"
    & skf18("1","7","7","2","7","5","1") = "6"
    & skf18("1","7","7","2","7","6","1") = "6"
    & skf18("1","7","7","2","7","7","1") = "6"
    & skf18("1","7","7","2","7","8","1") = "7"
    & skf18("1","7","7","2","7","9","1") = "8"
    & skf18("1","7","7","2","7","10","1") = "9"
    & skf18("1","7","7","2","8","1","1") = "7"
    & skf18("1","7","7","2","8","2","1") = "7"
    & skf18("1","7","7","2","8","3","1") = "7"
    & skf18("1","7","7","2","8","4","1") = "7"
    & skf18("1","7","7","2","8","5","1") = "7"
    & skf18("1","7","7","2","8","6","1") = "7"
    & skf18("1","7","7","2","8","7","1") = "7"
    & skf18("1","7","7","2","8","8","1") = "7"
    & skf18("1","7","7","2","8","9","1") = "8"
    & skf18("1","7","7","2","8","10","1") = "9"
    & skf18("1","7","7","2","9","1","1") = "8"
    & skf18("1","7","7","2","9","2","1") = "8"
    & skf18("1","7","7","2","9","3","1") = "8"
    & skf18("1","7","7","2","9","4","1") = "8"
    & skf18("1","7","7","2","9","5","1") = "8"
    & skf18("1","7","7","2","9","6","1") = "8"
    & skf18("1","7","7","2","9","7","1") = "8"
    & skf18("1","7","7","2","9","8","1") = "8"
    & skf18("1","7","7","2","9","9","1") = "8"
    & skf18("1","7","7","2","9","10","1") = "9"
    & skf18("1","7","7","2","10","1","1") = "9"
    & skf18("1","7","7","2","10","2","1") = "9"
    & skf18("1","7","7","2","10","3","1") = "9"
    & skf18("1","7","7","2","10","4","1") = "9"
    & skf18("1","7","7","2","10","5","1") = "9"
    & skf18("1","7","7","2","10","6","1") = "9"
    & skf18("1","7","7","2","10","7","1") = "9"
    & skf18("1","7","7","2","10","8","1") = "9"
    & skf18("1","7","7","2","10","9","1") = "9"
    & skf18("1","7","7","2","10","10","1") = "9"
    & skf18("1","7","7","3","1","1","1") = "6"
    & skf18("1","7","7","3","1","2","1") = "6"
    & skf18("1","7","7","3","1","3","1") = "6"
    & skf18("1","7","7","3","1","4","1") = "6"
    & skf18("1","7","7","3","1","5","1") = "6"
    & skf18("1","7","7","3","1","6","1") = "6"
    & skf18("1","7","7","3","1","7","1") = "6"
    & skf18("1","7","7","3","1","8","1") = "7"
    & skf18("1","7","7","3","1","9","1") = "8"
    & skf18("1","7","7","3","1","10","1") = "9"
    & skf18("1","7","7","3","2","1","1") = "6"
    & skf18("1","7","7","3","2","2","1") = "6"
    & skf18("1","7","7","3","2","3","1") = "6"
    & skf18("1","7","7","3","2","4","1") = "6"
    & skf18("1","7","7","3","2","5","1") = "6"
    & skf18("1","7","7","3","2","6","1") = "6"
    & skf18("1","7","7","3","2","7","1") = "6"
    & skf18("1","7","7","3","2","8","1") = "7"
    & skf18("1","7","7","3","2","9","1") = "8"
    & skf18("1","7","7","3","2","10","1") = "9"
    & skf18("1","7","7","3","3","1","1") = "6"
    & skf18("1","7","7","3","3","2","1") = "6"
    & skf18("1","7","7","3","3","3","1") = "6"
    & skf18("1","7","7","3","3","4","1") = "6"
    & skf18("1","7","7","3","3","5","1") = "6"
    & skf18("1","7","7","3","3","6","1") = "6"
    & skf18("1","7","7","3","3","7","1") = "6"
    & skf18("1","7","7","3","3","8","1") = "7"
    & skf18("1","7","7","3","3","9","1") = "8"
    & skf18("1","7","7","3","3","10","1") = "9"
    & skf18("1","7","7","3","4","1","1") = "6"
    & skf18("1","7","7","3","4","2","1") = "6"
    & skf18("1","7","7","3","4","3","1") = "6"
    & skf18("1","7","7","3","4","4","1") = "6"
    & skf18("1","7","7","3","4","5","1") = "6"
    & skf18("1","7","7","3","4","6","1") = "6"
    & skf18("1","7","7","3","4","7","1") = "6"
    & skf18("1","7","7","3","4","8","1") = "7"
    & skf18("1","7","7","3","4","9","1") = "8"
    & skf18("1","7","7","3","4","10","1") = "9"
    & skf18("1","7","7","3","5","1","1") = "6"
    & skf18("1","7","7","3","5","2","1") = "6"
    & skf18("1","7","7","3","5","3","1") = "6"
    & skf18("1","7","7","3","5","4","1") = "6"
    & skf18("1","7","7","3","5","5","1") = "6"
    & skf18("1","7","7","3","5","6","1") = "6"
    & skf18("1","7","7","3","5","7","1") = "6"
    & skf18("1","7","7","3","5","8","1") = "7"
    & skf18("1","7","7","3","5","9","1") = "8"
    & skf18("1","7","7","3","5","10","1") = "9"
    & skf18("1","7","7","3","6","1","1") = "6"
    & skf18("1","7","7","3","6","2","1") = "6"
    & skf18("1","7","7","3","6","3","1") = "6"
    & skf18("1","7","7","3","6","4","1") = "6"
    & skf18("1","7","7","3","6","5","1") = "6"
    & skf18("1","7","7","3","6","6","1") = "6"
    & skf18("1","7","7","3","6","7","1") = "6"
    & skf18("1","7","7","3","6","8","1") = "7"
    & skf18("1","7","7","3","6","9","1") = "8"
    & skf18("1","7","7","3","6","10","1") = "9"
    & skf18("1","7","7","3","7","1","1") = "6"
    & skf18("1","7","7","3","7","2","1") = "6"
    & skf18("1","7","7","3","7","3","1") = "6"
    & skf18("1","7","7","3","7","4","1") = "6"
    & skf18("1","7","7","3","7","5","1") = "6"
    & skf18("1","7","7","3","7","6","1") = "6"
    & skf18("1","7","7","3","7","7","1") = "6"
    & skf18("1","7","7","3","7","8","1") = "7"
    & skf18("1","7","7","3","7","9","1") = "8"
    & skf18("1","7","7","3","7","10","1") = "9"
    & skf18("1","7","7","3","8","1","1") = "7"
    & skf18("1","7","7","3","8","2","1") = "7"
    & skf18("1","7","7","3","8","3","1") = "7"
    & skf18("1","7","7","3","8","4","1") = "7"
    & skf18("1","7","7","3","8","5","1") = "7"
    & skf18("1","7","7","3","8","6","1") = "7"
    & skf18("1","7","7","3","8","7","1") = "7"
    & skf18("1","7","7","3","8","8","1") = "7"
    & skf18("1","7","7","3","8","9","1") = "8"
    & skf18("1","7","7","3","8","10","1") = "9"
    & skf18("1","7","7","3","9","1","1") = "8"
    & skf18("1","7","7","3","9","2","1") = "8"
    & skf18("1","7","7","3","9","3","1") = "8"
    & skf18("1","7","7","3","9","4","1") = "8"
    & skf18("1","7","7","3","9","5","1") = "8"
    & skf18("1","7","7","3","9","6","1") = "8"
    & skf18("1","7","7","3","9","7","1") = "8"
    & skf18("1","7","7","3","9","8","1") = "8"
    & skf18("1","7","7","3","9","9","1") = "8"
    & skf18("1","7","7","3","9","10","1") = "9"
    & skf18("1","7","7","3","10","1","1") = "9"
    & skf18("1","7","7","3","10","2","1") = "9"
    & skf18("1","7","7","3","10","3","1") = "9"
    & skf18("1","7","7","3","10","4","1") = "9"
    & skf18("1","7","7","3","10","5","1") = "9"
    & skf18("1","7","7","3","10","6","1") = "9"
    & skf18("1","7","7","3","10","7","1") = "9"
    & skf18("1","7","7","3","10","8","1") = "9"
    & skf18("1","7","7","3","10","9","1") = "9"
    & skf18("1","7","7","3","10","10","1") = "9"
    & skf18("1","7","7","4","1","1","1") = "6"
    & skf18("1","7","7","4","1","2","1") = "6"
    & skf18("1","7","7","4","1","3","1") = "6"
    & skf18("1","7","7","4","1","4","1") = "6"
    & skf18("1","7","7","4","1","5","1") = "6"
    & skf18("1","7","7","4","1","6","1") = "6"
    & skf18("1","7","7","4","1","7","1") = "6"
    & skf18("1","7","7","4","1","8","1") = "7"
    & skf18("1","7","7","4","1","9","1") = "8"
    & skf18("1","7","7","4","1","10","1") = "9"
    & skf18("1","7","7","4","2","1","1") = "6"
    & skf18("1","7","7","4","2","2","1") = "6"
    & skf18("1","7","7","4","2","3","1") = "6"
    & skf18("1","7","7","4","2","4","1") = "6"
    & skf18("1","7","7","4","2","5","1") = "6"
    & skf18("1","7","7","4","2","6","1") = "6"
    & skf18("1","7","7","4","2","7","1") = "6"
    & skf18("1","7","7","4","2","8","1") = "7"
    & skf18("1","7","7","4","2","9","1") = "8"
    & skf18("1","7","7","4","2","10","1") = "9"
    & skf18("1","7","7","4","3","1","1") = "6"
    & skf18("1","7","7","4","3","2","1") = "6"
    & skf18("1","7","7","4","3","3","1") = "6"
    & skf18("1","7","7","4","3","4","1") = "6"
    & skf18("1","7","7","4","3","5","1") = "6"
    & skf18("1","7","7","4","3","6","1") = "6"
    & skf18("1","7","7","4","3","7","1") = "6"
    & skf18("1","7","7","4","3","8","1") = "7"
    & skf18("1","7","7","4","3","9","1") = "8"
    & skf18("1","7","7","4","3","10","1") = "9"
    & skf18("1","7","7","4","4","1","1") = "6"
    & skf18("1","7","7","4","4","2","1") = "6"
    & skf18("1","7","7","4","4","3","1") = "6"
    & skf18("1","7","7","4","4","4","1") = "6"
    & skf18("1","7","7","4","4","5","1") = "6"
    & skf18("1","7","7","4","4","6","1") = "6"
    & skf18("1","7","7","4","4","7","1") = "6"
    & skf18("1","7","7","4","4","8","1") = "7"
    & skf18("1","7","7","4","4","9","1") = "8"
    & skf18("1","7","7","4","4","10","1") = "9"
    & skf18("1","7","7","4","5","1","1") = "6"
    & skf18("1","7","7","4","5","2","1") = "6"
    & skf18("1","7","7","4","5","3","1") = "6"
    & skf18("1","7","7","4","5","4","1") = "6"
    & skf18("1","7","7","4","5","5","1") = "6"
    & skf18("1","7","7","4","5","6","1") = "6"
    & skf18("1","7","7","4","5","7","1") = "6"
    & skf18("1","7","7","4","5","8","1") = "7"
    & skf18("1","7","7","4","5","9","1") = "8"
    & skf18("1","7","7","4","5","10","1") = "9"
    & skf18("1","7","7","4","6","1","1") = "6"
    & skf18("1","7","7","4","6","2","1") = "6"
    & skf18("1","7","7","4","6","3","1") = "6"
    & skf18("1","7","7","4","6","4","1") = "6"
    & skf18("1","7","7","4","6","5","1") = "6"
    & skf18("1","7","7","4","6","6","1") = "6"
    & skf18("1","7","7","4","6","7","1") = "6"
    & skf18("1","7","7","4","6","8","1") = "7"
    & skf18("1","7","7","4","6","9","1") = "8"
    & skf18("1","7","7","4","6","10","1") = "9"
    & skf18("1","7","7","4","7","1","1") = "6"
    & skf18("1","7","7","4","7","2","1") = "6"
    & skf18("1","7","7","4","7","3","1") = "6"
    & skf18("1","7","7","4","7","4","1") = "6"
    & skf18("1","7","7","4","7","5","1") = "6"
    & skf18("1","7","7","4","7","6","1") = "6"
    & skf18("1","7","7","4","7","7","1") = "6"
    & skf18("1","7","7","4","7","8","1") = "7"
    & skf18("1","7","7","4","7","9","1") = "8"
    & skf18("1","7","7","4","7","10","1") = "9"
    & skf18("1","7","7","4","8","1","1") = "7"
    & skf18("1","7","7","4","8","2","1") = "7"
    & skf18("1","7","7","4","8","3","1") = "7"
    & skf18("1","7","7","4","8","4","1") = "7"
    & skf18("1","7","7","4","8","5","1") = "7"
    & skf18("1","7","7","4","8","6","1") = "7"
    & skf18("1","7","7","4","8","7","1") = "7"
    & skf18("1","7","7","4","8","8","1") = "7"
    & skf18("1","7","7","4","8","9","1") = "8"
    & skf18("1","7","7","4","8","10","1") = "9"
    & skf18("1","7","7","4","9","1","1") = "8"
    & skf18("1","7","7","4","9","2","1") = "8"
    & skf18("1","7","7","4","9","3","1") = "8"
    & skf18("1","7","7","4","9","4","1") = "8"
    & skf18("1","7","7","4","9","5","1") = "8"
    & skf18("1","7","7","4","9","6","1") = "8"
    & skf18("1","7","7","4","9","7","1") = "8"
    & skf18("1","7","7","4","9","8","1") = "8"
    & skf18("1","7","7","4","9","9","1") = "8"
    & skf18("1","7","7","4","9","10","1") = "9"
    & skf18("1","7","7","4","10","1","1") = "9"
    & skf18("1","7","7","4","10","2","1") = "9"
    & skf18("1","7","7","4","10","3","1") = "9"
    & skf18("1","7","7","4","10","4","1") = "9"
    & skf18("1","7","7","4","10","5","1") = "9"
    & skf18("1","7","7","4","10","6","1") = "9"
    & skf18("1","7","7","4","10","7","1") = "9"
    & skf18("1","7","7","4","10","8","1") = "9"
    & skf18("1","7","7","4","10","9","1") = "9"
    & skf18("1","7","7","4","10","10","1") = "9"
    & skf18("1","7","7","5","1","1","1") = "6"
    & skf18("1","7","7","5","1","2","1") = "6"
    & skf18("1","7","7","5","1","3","1") = "6"
    & skf18("1","7","7","5","1","4","1") = "6"
    & skf18("1","7","7","5","1","5","1") = "6"
    & skf18("1","7","7","5","1","6","1") = "6"
    & skf18("1","7","7","5","1","7","1") = "6"
    & skf18("1","7","7","5","1","8","1") = "7"
    & skf18("1","7","7","5","1","9","1") = "8"
    & skf18("1","7","7","5","1","10","1") = "9"
    & skf18("1","7","7","5","2","1","1") = "6"
    & skf18("1","7","7","5","2","2","1") = "6"
    & skf18("1","7","7","5","2","3","1") = "6"
    & skf18("1","7","7","5","2","4","1") = "6"
    & skf18("1","7","7","5","2","5","1") = "6"
    & skf18("1","7","7","5","2","6","1") = "6"
    & skf18("1","7","7","5","2","7","1") = "6"
    & skf18("1","7","7","5","2","8","1") = "7"
    & skf18("1","7","7","5","2","9","1") = "8"
    & skf18("1","7","7","5","2","10","1") = "9"
    & skf18("1","7","7","5","3","1","1") = "6"
    & skf18("1","7","7","5","3","2","1") = "6"
    & skf18("1","7","7","5","3","3","1") = "6"
    & skf18("1","7","7","5","3","4","1") = "6"
    & skf18("1","7","7","5","3","5","1") = "6"
    & skf18("1","7","7","5","3","6","1") = "6"
    & skf18("1","7","7","5","3","7","1") = "6"
    & skf18("1","7","7","5","3","8","1") = "7"
    & skf18("1","7","7","5","3","9","1") = "8"
    & skf18("1","7","7","5","3","10","1") = "9"
    & skf18("1","7","7","5","4","1","1") = "6"
    & skf18("1","7","7","5","4","2","1") = "6"
    & skf18("1","7","7","5","4","3","1") = "6"
    & skf18("1","7","7","5","4","4","1") = "6"
    & skf18("1","7","7","5","4","5","1") = "6"
    & skf18("1","7","7","5","4","6","1") = "6"
    & skf18("1","7","7","5","4","7","1") = "6"
    & skf18("1","7","7","5","4","8","1") = "7"
    & skf18("1","7","7","5","4","9","1") = "8"
    & skf18("1","7","7","5","4","10","1") = "9"
    & skf18("1","7","7","5","5","1","1") = "6"
    & skf18("1","7","7","5","5","2","1") = "6"
    & skf18("1","7","7","5","5","3","1") = "6"
    & skf18("1","7","7","5","5","4","1") = "6"
    & skf18("1","7","7","5","5","5","1") = "6"
    & skf18("1","7","7","5","5","6","1") = "6"
    & skf18("1","7","7","5","5","7","1") = "6"
    & skf18("1","7","7","5","5","8","1") = "7"
    & skf18("1","7","7","5","5","9","1") = "8"
    & skf18("1","7","7","5","5","10","1") = "9"
    & skf18("1","7","7","5","6","1","1") = "6"
    & skf18("1","7","7","5","6","2","1") = "6"
    & skf18("1","7","7","5","6","3","1") = "6"
    & skf18("1","7","7","5","6","4","1") = "6"
    & skf18("1","7","7","5","6","5","1") = "6"
    & skf18("1","7","7","5","6","6","1") = "6"
    & skf18("1","7","7","5","6","7","1") = "6"
    & skf18("1","7","7","5","6","8","1") = "7"
    & skf18("1","7","7","5","6","9","1") = "8"
    & skf18("1","7","7","5","6","10","1") = "9"
    & skf18("1","7","7","5","7","1","1") = "6"
    & skf18("1","7","7","5","7","2","1") = "6"
    & skf18("1","7","7","5","7","3","1") = "6"
    & skf18("1","7","7","5","7","4","1") = "6"
    & skf18("1","7","7","5","7","5","1") = "6"
    & skf18("1","7","7","5","7","6","1") = "6"
    & skf18("1","7","7","5","7","7","1") = "6"
    & skf18("1","7","7","5","7","8","1") = "7"
    & skf18("1","7","7","5","7","9","1") = "8"
    & skf18("1","7","7","5","7","10","1") = "9"
    & skf18("1","7","7","5","8","1","1") = "7"
    & skf18("1","7","7","5","8","2","1") = "7"
    & skf18("1","7","7","5","8","3","1") = "7"
    & skf18("1","7","7","5","8","4","1") = "7"
    & skf18("1","7","7","5","8","5","1") = "7"
    & skf18("1","7","7","5","8","6","1") = "7"
    & skf18("1","7","7","5","8","7","1") = "7"
    & skf18("1","7","7","5","8","8","1") = "7"
    & skf18("1","7","7","5","8","9","1") = "8"
    & skf18("1","7","7","5","8","10","1") = "9"
    & skf18("1","7","7","5","9","1","1") = "8"
    & skf18("1","7","7","5","9","2","1") = "8"
    & skf18("1","7","7","5","9","3","1") = "8"
    & skf18("1","7","7","5","9","4","1") = "8"
    & skf18("1","7","7","5","9","5","1") = "8"
    & skf18("1","7","7","5","9","6","1") = "8"
    & skf18("1","7","7","5","9","7","1") = "8"
    & skf18("1","7","7","5","9","8","1") = "8"
    & skf18("1","7","7","5","9","9","1") = "8"
    & skf18("1","7","7","5","9","10","1") = "9"
    & skf18("1","7","7","5","10","1","1") = "9"
    & skf18("1","7","7","5","10","2","1") = "9"
    & skf18("1","7","7","5","10","3","1") = "9"
    & skf18("1","7","7","5","10","4","1") = "9"
    & skf18("1","7","7","5","10","5","1") = "9"
    & skf18("1","7","7","5","10","6","1") = "9"
    & skf18("1","7","7","5","10","7","1") = "9"
    & skf18("1","7","7","5","10","8","1") = "9"
    & skf18("1","7","7","5","10","9","1") = "9"
    & skf18("1","7","7","5","10","10","1") = "9"
    & skf18("1","7","7","6","1","1","1") = "6"
    & skf18("1","7","7","6","1","2","1") = "6"
    & skf18("1","7","7","6","1","3","1") = "6"
    & skf18("1","7","7","6","1","4","1") = "6"
    & skf18("1","7","7","6","1","5","1") = "6"
    & skf18("1","7","7","6","1","6","1") = "6"
    & skf18("1","7","7","6","1","7","1") = "6"
    & skf18("1","7","7","6","1","8","1") = "7"
    & skf18("1","7","7","6","1","9","1") = "8"
    & skf18("1","7","7","6","1","10","1") = "9"
    & skf18("1","7","7","6","2","1","1") = "6"
    & skf18("1","7","7","6","2","2","1") = "6"
    & skf18("1","7","7","6","2","3","1") = "6"
    & skf18("1","7","7","6","2","4","1") = "6"
    & skf18("1","7","7","6","2","5","1") = "6"
    & skf18("1","7","7","6","2","6","1") = "6"
    & skf18("1","7","7","6","2","7","1") = "6"
    & skf18("1","7","7","6","2","8","1") = "7"
    & skf18("1","7","7","6","2","9","1") = "8"
    & skf18("1","7","7","6","2","10","1") = "9"
    & skf18("1","7","7","6","3","1","1") = "6"
    & skf18("1","7","7","6","3","2","1") = "6"
    & skf18("1","7","7","6","3","3","1") = "6"
    & skf18("1","7","7","6","3","4","1") = "6"
    & skf18("1","7","7","6","3","5","1") = "6"
    & skf18("1","7","7","6","3","6","1") = "6"
    & skf18("1","7","7","6","3","7","1") = "6"
    & skf18("1","7","7","6","3","8","1") = "7"
    & skf18("1","7","7","6","3","9","1") = "8"
    & skf18("1","7","7","6","3","10","1") = "9"
    & skf18("1","7","7","6","4","1","1") = "6"
    & skf18("1","7","7","6","4","2","1") = "6"
    & skf18("1","7","7","6","4","3","1") = "6"
    & skf18("1","7","7","6","4","4","1") = "6"
    & skf18("1","7","7","6","4","5","1") = "6"
    & skf18("1","7","7","6","4","6","1") = "6"
    & skf18("1","7","7","6","4","7","1") = "6"
    & skf18("1","7","7","6","4","8","1") = "7"
    & skf18("1","7","7","6","4","9","1") = "8"
    & skf18("1","7","7","6","4","10","1") = "9"
    & skf18("1","7","7","6","5","1","1") = "6"
    & skf18("1","7","7","6","5","2","1") = "6"
    & skf18("1","7","7","6","5","3","1") = "6"
    & skf18("1","7","7","6","5","4","1") = "6"
    & skf18("1","7","7","6","5","5","1") = "6"
    & skf18("1","7","7","6","5","6","1") = "6"
    & skf18("1","7","7","6","5","7","1") = "6"
    & skf18("1","7","7","6","5","8","1") = "7"
    & skf18("1","7","7","6","5","9","1") = "8"
    & skf18("1","7","7","6","5","10","1") = "9"
    & skf18("1","7","7","6","6","1","1") = "6"
    & skf18("1","7","7","6","6","2","1") = "6"
    & skf18("1","7","7","6","6","3","1") = "6"
    & skf18("1","7","7","6","6","4","1") = "6"
    & skf18("1","7","7","6","6","5","1") = "6"
    & skf18("1","7","7","6","6","6","1") = "6"
    & skf18("1","7","7","6","6","7","1") = "6"
    & skf18("1","7","7","6","6","8","1") = "7"
    & skf18("1","7","7","6","6","9","1") = "8"
    & skf18("1","7","7","6","6","10","1") = "9"
    & skf18("1","7","7","6","7","1","1") = "6"
    & skf18("1","7","7","6","7","2","1") = "6"
    & skf18("1","7","7","6","7","3","1") = "6"
    & skf18("1","7","7","6","7","4","1") = "6"
    & skf18("1","7","7","6","7","5","1") = "6"
    & skf18("1","7","7","6","7","6","1") = "6"
    & skf18("1","7","7","6","7","7","1") = "6"
    & skf18("1","7","7","6","7","8","1") = "7"
    & skf18("1","7","7","6","7","9","1") = "8"
    & skf18("1","7","7","6","7","10","1") = "9"
    & skf18("1","7","7","6","8","1","1") = "7"
    & skf18("1","7","7","6","8","2","1") = "7"
    & skf18("1","7","7","6","8","3","1") = "7"
    & skf18("1","7","7","6","8","4","1") = "7"
    & skf18("1","7","7","6","8","5","1") = "7"
    & skf18("1","7","7","6","8","6","1") = "7"
    & skf18("1","7","7","6","8","7","1") = "7"
    & skf18("1","7","7","6","8","8","1") = "7"
    & skf18("1","7","7","6","8","9","1") = "8"
    & skf18("1","7","7","6","8","10","1") = "9"
    & skf18("1","7","7","6","9","1","1") = "8"
    & skf18("1","7","7","6","9","2","1") = "8"
    & skf18("1","7","7","6","9","3","1") = "8"
    & skf18("1","7","7","6","9","4","1") = "8"
    & skf18("1","7","7","6","9","5","1") = "8"
    & skf18("1","7","7","6","9","6","1") = "8"
    & skf18("1","7","7","6","9","7","1") = "8"
    & skf18("1","7","7","6","9","8","1") = "8"
    & skf18("1","7","7","6","9","9","1") = "8"
    & skf18("1","7","7","6","9","10","1") = "9"
    & skf18("1","7","7","6","10","1","1") = "9"
    & skf18("1","7","7","6","10","2","1") = "9"
    & skf18("1","7","7","6","10","3","1") = "9"
    & skf18("1","7","7","6","10","4","1") = "9"
    & skf18("1","7","7","6","10","5","1") = "9"
    & skf18("1","7","7","6","10","6","1") = "9"
    & skf18("1","7","7","6","10","7","1") = "9"
    & skf18("1","7","7","6","10","8","1") = "9"
    & skf18("1","7","7","6","10","9","1") = "9"
    & skf18("1","7","7","6","10","10","1") = "9"
    & skf18("1","7","7","7","1","1","1") = "6"
    & skf18("1","7","7","7","1","2","1") = "6"
    & skf18("1","7","7","7","1","3","1") = "6"
    & skf18("1","7","7","7","1","4","1") = "6"
    & skf18("1","7","7","7","1","5","1") = "6"
    & skf18("1","7","7","7","1","6","1") = "6"
    & skf18("1","7","7","7","1","7","1") = "6"
    & skf18("1","7","7","7","1","8","1") = "7"
    & skf18("1","7","7","7","1","9","1") = "8"
    & skf18("1","7","7","7","1","10","1") = "9"
    & skf18("1","7","7","7","2","1","1") = "6"
    & skf18("1","7","7","7","2","2","1") = "6"
    & skf18("1","7","7","7","2","3","1") = "6"
    & skf18("1","7","7","7","2","4","1") = "6"
    & skf18("1","7","7","7","2","5","1") = "6"
    & skf18("1","7","7","7","2","6","1") = "6"
    & skf18("1","7","7","7","2","7","1") = "6"
    & skf18("1","7","7","7","2","8","1") = "7"
    & skf18("1","7","7","7","2","9","1") = "8"
    & skf18("1","7","7","7","2","10","1") = "9"
    & skf18("1","7","7","7","3","1","1") = "6"
    & skf18("1","7","7","7","3","2","1") = "6"
    & skf18("1","7","7","7","3","3","1") = "6"
    & skf18("1","7","7","7","3","4","1") = "6"
    & skf18("1","7","7","7","3","5","1") = "6"
    & skf18("1","7","7","7","3","6","1") = "6"
    & skf18("1","7","7","7","3","7","1") = "6"
    & skf18("1","7","7","7","3","8","1") = "7"
    & skf18("1","7","7","7","3","9","1") = "8"
    & skf18("1","7","7","7","3","10","1") = "9"
    & skf18("1","7","7","7","4","1","1") = "6"
    & skf18("1","7","7","7","4","2","1") = "6"
    & skf18("1","7","7","7","4","3","1") = "6"
    & skf18("1","7","7","7","4","4","1") = "6"
    & skf18("1","7","7","7","4","5","1") = "6"
    & skf18("1","7","7","7","4","6","1") = "6"
    & skf18("1","7","7","7","4","7","1") = "6"
    & skf18("1","7","7","7","4","8","1") = "7"
    & skf18("1","7","7","7","4","9","1") = "8"
    & skf18("1","7","7","7","4","10","1") = "9"
    & skf18("1","7","7","7","5","1","1") = "6"
    & skf18("1","7","7","7","5","2","1") = "6"
    & skf18("1","7","7","7","5","3","1") = "6"
    & skf18("1","7","7","7","5","4","1") = "6"
    & skf18("1","7","7","7","5","5","1") = "6"
    & skf18("1","7","7","7","5","6","1") = "6"
    & skf18("1","7","7","7","5","7","1") = "6"
    & skf18("1","7","7","7","5","8","1") = "7"
    & skf18("1","7","7","7","5","9","1") = "8"
    & skf18("1","7","7","7","5","10","1") = "9"
    & skf18("1","7","7","7","6","1","1") = "6"
    & skf18("1","7","7","7","6","2","1") = "6"
    & skf18("1","7","7","7","6","3","1") = "6"
    & skf18("1","7","7","7","6","4","1") = "6"
    & skf18("1","7","7","7","6","5","1") = "6"
    & skf18("1","7","7","7","6","6","1") = "6"
    & skf18("1","7","7","7","6","7","1") = "6"
    & skf18("1","7","7","7","6","8","1") = "7"
    & skf18("1","7","7","7","6","9","1") = "8"
    & skf18("1","7","7","7","6","10","1") = "9"
    & skf18("1","7","7","7","7","1","1") = "6"
    & skf18("1","7","7","7","7","2","1") = "6"
    & skf18("1","7","7","7","7","3","1") = "6"
    & skf18("1","7","7","7","7","4","1") = "6"
    & skf18("1","7","7","7","7","5","1") = "6"
    & skf18("1","7","7","7","7","6","1") = "6"
    & skf18("1","7","7","7","7","7","1") = "6"
    & skf18("1","7","7","7","7","8","1") = "7"
    & skf18("1","7","7","7","7","9","1") = "8"
    & skf18("1","7","7","7","7","10","1") = "9"
    & skf18("1","7","7","7","8","1","1") = "7"
    & skf18("1","7","7","7","8","2","1") = "7"
    & skf18("1","7","7","7","8","3","1") = "7"
    & skf18("1","7","7","7","8","4","1") = "7"
    & skf18("1","7","7","7","8","5","1") = "7"
    & skf18("1","7","7","7","8","6","1") = "7"
    & skf18("1","7","7","7","8","7","1") = "7"
    & skf18("1","7","7","7","8","8","1") = "7"
    & skf18("1","7","7","7","8","9","1") = "8"
    & skf18("1","7","7","7","8","10","1") = "9"
    & skf18("1","7","7","7","9","1","1") = "8"
    & skf18("1","7","7","7","9","2","1") = "8"
    & skf18("1","7","7","7","9","3","1") = "8"
    & skf18("1","7","7","7","9","4","1") = "8"
    & skf18("1","7","7","7","9","5","1") = "8"
    & skf18("1","7","7","7","9","6","1") = "8"
    & skf18("1","7","7","7","9","7","1") = "8"
    & skf18("1","7","7","7","9","8","1") = "8"
    & skf18("1","7","7","7","9","9","1") = "8"
    & skf18("1","7","7","7","9","10","1") = "9"
    & skf18("1","7","7","7","10","1","1") = "9"
    & skf18("1","7","7","7","10","2","1") = "9"
    & skf18("1","7","7","7","10","3","1") = "9"
    & skf18("1","7","7","7","10","4","1") = "9"
    & skf18("1","7","7","7","10","5","1") = "9"
    & skf18("1","7","7","7","10","6","1") = "9"
    & skf18("1","7","7","7","10","7","1") = "9"
    & skf18("1","7","7","7","10","8","1") = "9"
    & skf18("1","7","7","7","10","9","1") = "9"
    & skf18("1","7","7","7","10","10","1") = "9"
    & skf18("1","7","7","8","1","1","1") = "7"
    & skf18("1","7","7","8","1","2","1") = "7"
    & skf18("1","7","7","8","1","3","1") = "7"
    & skf18("1","7","7","8","1","4","1") = "7"
    & skf18("1","7","7","8","1","5","1") = "7"
    & skf18("1","7","7","8","1","6","1") = "7"
    & skf18("1","7","7","8","1","7","1") = "7"
    & skf18("1","7","7","8","1","8","1") = "7"
    & skf18("1","7","7","8","1","9","1") = "8"
    & skf18("1","7","7","8","1","10","1") = "9"
    & skf18("1","7","7","8","2","1","1") = "7"
    & skf18("1","7","7","8","2","2","1") = "7"
    & skf18("1","7","7","8","2","3","1") = "7"
    & skf18("1","7","7","8","2","4","1") = "7"
    & skf18("1","7","7","8","2","5","1") = "7"
    & skf18("1","7","7","8","2","6","1") = "7"
    & skf18("1","7","7","8","2","7","1") = "7"
    & skf18("1","7","7","8","2","8","1") = "7"
    & skf18("1","7","7","8","2","9","1") = "8"
    & skf18("1","7","7","8","2","10","1") = "9"
    & skf18("1","7","7","8","3","1","1") = "7"
    & skf18("1","7","7","8","3","2","1") = "7"
    & skf18("1","7","7","8","3","3","1") = "7"
    & skf18("1","7","7","8","3","4","1") = "7"
    & skf18("1","7","7","8","3","5","1") = "7"
    & skf18("1","7","7","8","3","6","1") = "7"
    & skf18("1","7","7","8","3","7","1") = "7"
    & skf18("1","7","7","8","3","8","1") = "7"
    & skf18("1","7","7","8","3","9","1") = "8"
    & skf18("1","7","7","8","3","10","1") = "9"
    & skf18("1","7","7","8","4","1","1") = "7"
    & skf18("1","7","7","8","4","2","1") = "7"
    & skf18("1","7","7","8","4","3","1") = "7"
    & skf18("1","7","7","8","4","4","1") = "7"
    & skf18("1","7","7","8","4","5","1") = "7"
    & skf18("1","7","7","8","4","6","1") = "7"
    & skf18("1","7","7","8","4","7","1") = "7"
    & skf18("1","7","7","8","4","8","1") = "7"
    & skf18("1","7","7","8","4","9","1") = "8"
    & skf18("1","7","7","8","4","10","1") = "9"
    & skf18("1","7","7","8","5","1","1") = "7"
    & skf18("1","7","7","8","5","2","1") = "7"
    & skf18("1","7","7","8","5","3","1") = "7"
    & skf18("1","7","7","8","5","4","1") = "7"
    & skf18("1","7","7","8","5","5","1") = "7"
    & skf18("1","7","7","8","5","6","1") = "7"
    & skf18("1","7","7","8","5","7","1") = "7"
    & skf18("1","7","7","8","5","8","1") = "7"
    & skf18("1","7","7","8","5","9","1") = "8"
    & skf18("1","7","7","8","5","10","1") = "9"
    & skf18("1","7","7","8","6","1","1") = "7"
    & skf18("1","7","7","8","6","2","1") = "7"
    & skf18("1","7","7","8","6","3","1") = "7"
    & skf18("1","7","7","8","6","4","1") = "7"
    & skf18("1","7","7","8","6","5","1") = "7"
    & skf18("1","7","7","8","6","6","1") = "7"
    & skf18("1","7","7","8","6","7","1") = "7"
    & skf18("1","7","7","8","6","8","1") = "7"
    & skf18("1","7","7","8","6","9","1") = "8"
    & skf18("1","7","7","8","6","10","1") = "9"
    & skf18("1","7","7","8","7","1","1") = "7"
    & skf18("1","7","7","8","7","2","1") = "7"
    & skf18("1","7","7","8","7","3","1") = "7"
    & skf18("1","7","7","8","7","4","1") = "7"
    & skf18("1","7","7","8","7","5","1") = "7"
    & skf18("1","7","7","8","7","6","1") = "7"
    & skf18("1","7","7","8","7","7","1") = "7"
    & skf18("1","7","7","8","7","8","1") = "7"
    & skf18("1","7","7","8","7","9","1") = "8"
    & skf18("1","7","7","8","7","10","1") = "9"
    & skf18("1","7","7","8","8","1","1") = "7"
    & skf18("1","7","7","8","8","2","1") = "7"
    & skf18("1","7","7","8","8","3","1") = "7"
    & skf18("1","7","7","8","8","4","1") = "7"
    & skf18("1","7","7","8","8","5","1") = "7"
    & skf18("1","7","7","8","8","6","1") = "7"
    & skf18("1","7","7","8","8","7","1") = "7"
    & skf18("1","7","7","8","8","8","1") = "7"
    & skf18("1","7","7","8","8","9","1") = "8"
    & skf18("1","7","7","8","8","10","1") = "9"
    & skf18("1","7","7","8","9","1","1") = "8"
    & skf18("1","7","7","8","9","2","1") = "8"
    & skf18("1","7","7","8","9","3","1") = "8"
    & skf18("1","7","7","8","9","4","1") = "8"
    & skf18("1","7","7","8","9","5","1") = "8"
    & skf18("1","7","7","8","9","6","1") = "8"
    & skf18("1","7","7","8","9","7","1") = "8"
    & skf18("1","7","7","8","9","8","1") = "8"
    & skf18("1","7","7","8","9","9","1") = "8"
    & skf18("1","7","7","8","9","10","1") = "9"
    & skf18("1","7","7","8","10","1","1") = "9"
    & skf18("1","7","7","8","10","2","1") = "9"
    & skf18("1","7","7","8","10","3","1") = "9"
    & skf18("1","7","7","8","10","4","1") = "9"
    & skf18("1","7","7","8","10","5","1") = "9"
    & skf18("1","7","7","8","10","6","1") = "9"
    & skf18("1","7","7","8","10","7","1") = "9"
    & skf18("1","7","7","8","10","8","1") = "9"
    & skf18("1","7","7","8","10","9","1") = "9"
    & skf18("1","7","7","8","10","10","1") = "9"
    & skf18("1","7","7","9","1","1","1") = "8"
    & skf18("1","7","7","9","1","2","1") = "8"
    & skf18("1","7","7","9","1","3","1") = "8"
    & skf18("1","7","7","9","1","4","1") = "8"
    & skf18("1","7","7","9","1","5","1") = "8"
    & skf18("1","7","7","9","1","6","1") = "8"
    & skf18("1","7","7","9","1","7","1") = "8"
    & skf18("1","7","7","9","1","8","1") = "8"
    & skf18("1","7","7","9","1","9","1") = "8"
    & skf18("1","7","7","9","1","10","1") = "9"
    & skf18("1","7","7","9","2","1","1") = "8"
    & skf18("1","7","7","9","2","2","1") = "8"
    & skf18("1","7","7","9","2","3","1") = "8"
    & skf18("1","7","7","9","2","4","1") = "8"
    & skf18("1","7","7","9","2","5","1") = "8"
    & skf18("1","7","7","9","2","6","1") = "8"
    & skf18("1","7","7","9","2","7","1") = "8"
    & skf18("1","7","7","9","2","8","1") = "8"
    & skf18("1","7","7","9","2","9","1") = "8"
    & skf18("1","7","7","9","2","10","1") = "9"
    & skf18("1","7","7","9","3","1","1") = "8"
    & skf18("1","7","7","9","3","2","1") = "8"
    & skf18("1","7","7","9","3","3","1") = "8"
    & skf18("1","7","7","9","3","4","1") = "8"
    & skf18("1","7","7","9","3","5","1") = "8"
    & skf18("1","7","7","9","3","6","1") = "8"
    & skf18("1","7","7","9","3","7","1") = "8"
    & skf18("1","7","7","9","3","8","1") = "8"
    & skf18("1","7","7","9","3","9","1") = "8"
    & skf18("1","7","7","9","3","10","1") = "9"
    & skf18("1","7","7","9","4","1","1") = "8"
    & skf18("1","7","7","9","4","2","1") = "8"
    & skf18("1","7","7","9","4","3","1") = "8"
    & skf18("1","7","7","9","4","4","1") = "8"
    & skf18("1","7","7","9","4","5","1") = "8"
    & skf18("1","7","7","9","4","6","1") = "8"
    & skf18("1","7","7","9","4","7","1") = "8"
    & skf18("1","7","7","9","4","8","1") = "8"
    & skf18("1","7","7","9","4","9","1") = "8"
    & skf18("1","7","7","9","4","10","1") = "9"
    & skf18("1","7","7","9","5","1","1") = "8"
    & skf18("1","7","7","9","5","2","1") = "8"
    & skf18("1","7","7","9","5","3","1") = "8"
    & skf18("1","7","7","9","5","4","1") = "8"
    & skf18("1","7","7","9","5","5","1") = "8"
    & skf18("1","7","7","9","5","6","1") = "8"
    & skf18("1","7","7","9","5","7","1") = "8"
    & skf18("1","7","7","9","5","8","1") = "8"
    & skf18("1","7","7","9","5","9","1") = "8"
    & skf18("1","7","7","9","5","10","1") = "9"
    & skf18("1","7","7","9","6","1","1") = "8"
    & skf18("1","7","7","9","6","2","1") = "8"
    & skf18("1","7","7","9","6","3","1") = "8"
    & skf18("1","7","7","9","6","4","1") = "8"
    & skf18("1","7","7","9","6","5","1") = "8"
    & skf18("1","7","7","9","6","6","1") = "8"
    & skf18("1","7","7","9","6","7","1") = "8"
    & skf18("1","7","7","9","6","8","1") = "8"
    & skf18("1","7","7","9","6","9","1") = "8"
    & skf18("1","7","7","9","6","10","1") = "9"
    & skf18("1","7","7","9","7","1","1") = "8"
    & skf18("1","7","7","9","7","2","1") = "8"
    & skf18("1","7","7","9","7","3","1") = "8"
    & skf18("1","7","7","9","7","4","1") = "8"
    & skf18("1","7","7","9","7","5","1") = "8"
    & skf18("1","7","7","9","7","6","1") = "8"
    & skf18("1","7","7","9","7","7","1") = "8"
    & skf18("1","7","7","9","7","8","1") = "8"
    & skf18("1","7","7","9","7","9","1") = "8"
    & skf18("1","7","7","9","7","10","1") = "9"
    & skf18("1","7","7","9","8","1","1") = "8"
    & skf18("1","7","7","9","8","2","1") = "8"
    & skf18("1","7","7","9","8","3","1") = "8"
    & skf18("1","7","7","9","8","4","1") = "8"
    & skf18("1","7","7","9","8","5","1") = "8"
    & skf18("1","7","7","9","8","6","1") = "8"
    & skf18("1","7","7","9","8","7","1") = "8"
    & skf18("1","7","7","9","8","8","1") = "8"
    & skf18("1","7","7","9","8","9","1") = "8"
    & skf18("1","7","7","9","8","10","1") = "9"
    & skf18("1","7","7","9","9","1","1") = "8"
    & skf18("1","7","7","9","9","2","1") = "8"
    & skf18("1","7","7","9","9","3","1") = "8"
    & skf18("1","7","7","9","9","4","1") = "8"
    & skf18("1","7","7","9","9","5","1") = "8"
    & skf18("1","7","7","9","9","6","1") = "8"
    & skf18("1","7","7","9","9","7","1") = "8"
    & skf18("1","7","7","9","9","8","1") = "8"
    & skf18("1","7","7","9","9","9","1") = "8"
    & skf18("1","7","7","9","9","10","1") = "9"
    & skf18("1","7","7","9","10","1","1") = "9"
    & skf18("1","7","7","9","10","2","1") = "9"
    & skf18("1","7","7","9","10","3","1") = "9"
    & skf18("1","7","7","9","10","4","1") = "9"
    & skf18("1","7","7","9","10","5","1") = "9"
    & skf18("1","7","7","9","10","6","1") = "9"
    & skf18("1","7","7","9","10","7","1") = "9"
    & skf18("1","7","7","9","10","8","1") = "9"
    & skf18("1","7","7","9","10","9","1") = "9"
    & skf18("1","7","7","9","10","10","1") = "9"
    & skf18("1","7","7","10","1","1","1") = "9"
    & skf18("1","7","7","10","1","2","1") = "9"
    & skf18("1","7","7","10","1","3","1") = "9"
    & skf18("1","7","7","10","1","4","1") = "9"
    & skf18("1","7","7","10","1","5","1") = "9"
    & skf18("1","7","7","10","1","6","1") = "9"
    & skf18("1","7","7","10","1","7","1") = "9"
    & skf18("1","7","7","10","1","8","1") = "9"
    & skf18("1","7","7","10","1","9","1") = "9"
    & skf18("1","7","7","10","1","10","1") = "9"
    & skf18("1","7","7","10","2","1","1") = "9"
    & skf18("1","7","7","10","2","2","1") = "9"
    & skf18("1","7","7","10","2","3","1") = "9"
    & skf18("1","7","7","10","2","4","1") = "9"
    & skf18("1","7","7","10","2","5","1") = "9"
    & skf18("1","7","7","10","2","6","1") = "9"
    & skf18("1","7","7","10","2","7","1") = "9"
    & skf18("1","7","7","10","2","8","1") = "9"
    & skf18("1","7","7","10","2","9","1") = "9"
    & skf18("1","7","7","10","2","10","1") = "9"
    & skf18("1","7","7","10","3","1","1") = "9"
    & skf18("1","7","7","10","3","2","1") = "9"
    & skf18("1","7","7","10","3","3","1") = "9"
    & skf18("1","7","7","10","3","4","1") = "9"
    & skf18("1","7","7","10","3","5","1") = "9"
    & skf18("1","7","7","10","3","6","1") = "9"
    & skf18("1","7","7","10","3","7","1") = "9"
    & skf18("1","7","7","10","3","8","1") = "9"
    & skf18("1","7","7","10","3","9","1") = "9"
    & skf18("1","7","7","10","3","10","1") = "9"
    & skf18("1","7","7","10","4","1","1") = "9"
    & skf18("1","7","7","10","4","2","1") = "9"
    & skf18("1","7","7","10","4","3","1") = "9"
    & skf18("1","7","7","10","4","4","1") = "9"
    & skf18("1","7","7","10","4","5","1") = "9"
    & skf18("1","7","7","10","4","6","1") = "9"
    & skf18("1","7","7","10","4","7","1") = "9"
    & skf18("1","7","7","10","4","8","1") = "9"
    & skf18("1","7","7","10","4","9","1") = "9"
    & skf18("1","7","7","10","4","10","1") = "9"
    & skf18("1","7","7","10","5","1","1") = "9"
    & skf18("1","7","7","10","5","2","1") = "9"
    & skf18("1","7","7","10","5","3","1") = "9"
    & skf18("1","7","7","10","5","4","1") = "9"
    & skf18("1","7","7","10","5","5","1") = "9"
    & skf18("1","7","7","10","5","6","1") = "9"
    & skf18("1","7","7","10","5","7","1") = "9"
    & skf18("1","7","7","10","5","8","1") = "9"
    & skf18("1","7","7","10","5","9","1") = "9"
    & skf18("1","7","7","10","5","10","1") = "9"
    & skf18("1","7","7","10","6","1","1") = "9"
    & skf18("1","7","7","10","6","2","1") = "9"
    & skf18("1","7","7","10","6","3","1") = "9"
    & skf18("1","7","7","10","6","4","1") = "9"
    & skf18("1","7","7","10","6","5","1") = "9"
    & skf18("1","7","7","10","6","6","1") = "9"
    & skf18("1","7","7","10","6","7","1") = "9"
    & skf18("1","7","7","10","6","8","1") = "9"
    & skf18("1","7","7","10","6","9","1") = "9"
    & skf18("1","7","7","10","6","10","1") = "9"
    & skf18("1","7","7","10","7","1","1") = "9"
    & skf18("1","7","7","10","7","2","1") = "9"
    & skf18("1","7","7","10","7","3","1") = "9"
    & skf18("1","7","7","10","7","4","1") = "9"
    & skf18("1","7","7","10","7","5","1") = "9"
    & skf18("1","7","7","10","7","6","1") = "9"
    & skf18("1","7","7","10","7","7","1") = "9"
    & skf18("1","7","7","10","7","8","1") = "9"
    & skf18("1","7","7","10","7","9","1") = "9"
    & skf18("1","7","7","10","7","10","1") = "9"
    & skf18("1","7","7","10","8","1","1") = "9"
    & skf18("1","7","7","10","8","2","1") = "9"
    & skf18("1","7","7","10","8","3","1") = "9"
    & skf18("1","7","7","10","8","4","1") = "9"
    & skf18("1","7","7","10","8","5","1") = "9"
    & skf18("1","7","7","10","8","6","1") = "9"
    & skf18("1","7","7","10","8","7","1") = "9"
    & skf18("1","7","7","10","8","8","1") = "9"
    & skf18("1","7","7","10","8","9","1") = "9"
    & skf18("1","7","7","10","8","10","1") = "9"
    & skf18("1","7","7","10","9","1","1") = "9"
    & skf18("1","7","7","10","9","2","1") = "9"
    & skf18("1","7","7","10","9","3","1") = "9"
    & skf18("1","7","7","10","9","4","1") = "9"
    & skf18("1","7","7","10","9","5","1") = "9"
    & skf18("1","7","7","10","9","6","1") = "9"
    & skf18("1","7","7","10","9","7","1") = "9"
    & skf18("1","7","7","10","9","8","1") = "9"
    & skf18("1","7","7","10","9","9","1") = "9"
    & skf18("1","7","7","10","9","10","1") = "9"
    & skf18("1","7","7","10","10","1","1") = "9"
    & skf18("1","7","7","10","10","2","1") = "9"
    & skf18("1","7","7","10","10","3","1") = "9"
    & skf18("1","7","7","10","10","4","1") = "9"
    & skf18("1","7","7","10","10","5","1") = "9"
    & skf18("1","7","7","10","10","6","1") = "9"
    & skf18("1","7","7","10","10","7","1") = "9"
    & skf18("1","7","7","10","10","8","1") = "9"
    & skf18("1","7","7","10","10","9","1") = "9"
    & skf18("1","7","7","10","10","10","1") = "9"
    & skf18("1","7","8","1","1","1","1") = "7"
    & skf18("1","7","8","1","1","2","1") = "7"
    & skf18("1","7","8","1","1","3","1") = "7"
    & skf18("1","7","8","1","1","4","1") = "7"
    & skf18("1","7","8","1","1","5","1") = "7"
    & skf18("1","7","8","1","1","6","1") = "7"
    & skf18("1","7","8","1","1","7","1") = "7"
    & skf18("1","7","8","1","1","8","1") = "7"
    & skf18("1","7","8","1","1","9","1") = "8"
    & skf18("1","7","8","1","1","10","1") = "9"
    & skf18("1","7","8","1","2","1","1") = "7"
    & skf18("1","7","8","1","2","2","1") = "7"
    & skf18("1","7","8","1","2","3","1") = "7"
    & skf18("1","7","8","1","2","4","1") = "7"
    & skf18("1","7","8","1","2","5","1") = "7"
    & skf18("1","7","8","1","2","6","1") = "7"
    & skf18("1","7","8","1","2","7","1") = "7"
    & skf18("1","7","8","1","2","8","1") = "7"
    & skf18("1","7","8","1","2","9","1") = "8"
    & skf18("1","7","8","1","2","10","1") = "9"
    & skf18("1","7","8","1","3","1","1") = "7"
    & skf18("1","7","8","1","3","2","1") = "7"
    & skf18("1","7","8","1","3","3","1") = "7"
    & skf18("1","7","8","1","3","4","1") = "7"
    & skf18("1","7","8","1","3","5","1") = "7"
    & skf18("1","7","8","1","3","6","1") = "7"
    & skf18("1","7","8","1","3","7","1") = "7"
    & skf18("1","7","8","1","3","8","1") = "7"
    & skf18("1","7","8","1","3","9","1") = "8"
    & skf18("1","7","8","1","3","10","1") = "9"
    & skf18("1","7","8","1","4","1","1") = "7"
    & skf18("1","7","8","1","4","2","1") = "7"
    & skf18("1","7","8","1","4","3","1") = "7"
    & skf18("1","7","8","1","4","4","1") = "7"
    & skf18("1","7","8","1","4","5","1") = "7"
    & skf18("1","7","8","1","4","6","1") = "7"
    & skf18("1","7","8","1","4","7","1") = "7"
    & skf18("1","7","8","1","4","8","1") = "7"
    & skf18("1","7","8","1","4","9","1") = "8"
    & skf18("1","7","8","1","4","10","1") = "9"
    & skf18("1","7","8","1","5","1","1") = "7"
    & skf18("1","7","8","1","5","2","1") = "7"
    & skf18("1","7","8","1","5","3","1") = "7"
    & skf18("1","7","8","1","5","4","1") = "7"
    & skf18("1","7","8","1","5","5","1") = "7"
    & skf18("1","7","8","1","5","6","1") = "7"
    & skf18("1","7","8","1","5","7","1") = "7"
    & skf18("1","7","8","1","5","8","1") = "7"
    & skf18("1","7","8","1","5","9","1") = "8"
    & skf18("1","7","8","1","5","10","1") = "9"
    & skf18("1","7","8","1","6","1","1") = "7"
    & skf18("1","7","8","1","6","2","1") = "7"
    & skf18("1","7","8","1","6","3","1") = "7"
    & skf18("1","7","8","1","6","4","1") = "7"
    & skf18("1","7","8","1","6","5","1") = "7"
    & skf18("1","7","8","1","6","6","1") = "7"
    & skf18("1","7","8","1","6","7","1") = "7"
    & skf18("1","7","8","1","6","8","1") = "7"
    & skf18("1","7","8","1","6","9","1") = "8"
    & skf18("1","7","8","1","6","10","1") = "9"
    & skf18("1","7","8","1","7","1","1") = "7"
    & skf18("1","7","8","1","7","2","1") = "7"
    & skf18("1","7","8","1","7","3","1") = "7"
    & skf18("1","7","8","1","7","4","1") = "7"
    & skf18("1","7","8","1","7","5","1") = "7"
    & skf18("1","7","8","1","7","6","1") = "7"
    & skf18("1","7","8","1","7","7","1") = "7"
    & skf18("1","7","8","1","7","8","1") = "7"
    & skf18("1","7","8","1","7","9","1") = "8"
    & skf18("1","7","8","1","7","10","1") = "9"
    & skf18("1","7","8","1","8","1","1") = "7"
    & skf18("1","7","8","1","8","2","1") = "7"
    & skf18("1","7","8","1","8","3","1") = "7"
    & skf18("1","7","8","1","8","4","1") = "7"
    & skf18("1","7","8","1","8","5","1") = "7"
    & skf18("1","7","8","1","8","6","1") = "7"
    & skf18("1","7","8","1","8","7","1") = "7"
    & skf18("1","7","8","1","8","8","1") = "7"
    & skf18("1","7","8","1","8","9","1") = "8"
    & skf18("1","7","8","1","8","10","1") = "9"
    & skf18("1","7","8","1","9","1","1") = "8"
    & skf18("1","7","8","1","9","2","1") = "8"
    & skf18("1","7","8","1","9","3","1") = "8"
    & skf18("1","7","8","1","9","4","1") = "8"
    & skf18("1","7","8","1","9","5","1") = "8"
    & skf18("1","7","8","1","9","6","1") = "8"
    & skf18("1","7","8","1","9","7","1") = "8"
    & skf18("1","7","8","1","9","8","1") = "8"
    & skf18("1","7","8","1","9","9","1") = "8"
    & skf18("1","7","8","1","9","10","1") = "9"
    & skf18("1","7","8","1","10","1","1") = "9"
    & skf18("1","7","8","1","10","2","1") = "9"
    & skf18("1","7","8","1","10","3","1") = "9"
    & skf18("1","7","8","1","10","4","1") = "9"
    & skf18("1","7","8","1","10","5","1") = "9"
    & skf18("1","7","8","1","10","6","1") = "9"
    & skf18("1","7","8","1","10","7","1") = "9"
    & skf18("1","7","8","1","10","8","1") = "9"
    & skf18("1","7","8","1","10","9","1") = "9"
    & skf18("1","7","8","1","10","10","1") = "9"
    & skf18("1","7","8","2","1","1","1") = "7"
    & skf18("1","7","8","2","1","2","1") = "7"
    & skf18("1","7","8","2","1","3","1") = "7"
    & skf18("1","7","8","2","1","4","1") = "7"
    & skf18("1","7","8","2","1","5","1") = "7"
    & skf18("1","7","8","2","1","6","1") = "7"
    & skf18("1","7","8","2","1","7","1") = "7"
    & skf18("1","7","8","2","1","8","1") = "7"
    & skf18("1","7","8","2","1","9","1") = "8"
    & skf18("1","7","8","2","1","10","1") = "9"
    & skf18("1","7","8","2","2","1","1") = "7"
    & skf18("1","7","8","2","2","2","1") = "7"
    & skf18("1","7","8","2","2","3","1") = "7"
    & skf18("1","7","8","2","2","4","1") = "7"
    & skf18("1","7","8","2","2","5","1") = "7"
    & skf18("1","7","8","2","2","6","1") = "7"
    & skf18("1","7","8","2","2","7","1") = "7"
    & skf18("1","7","8","2","2","8","1") = "7"
    & skf18("1","7","8","2","2","9","1") = "8"
    & skf18("1","7","8","2","2","10","1") = "9"
    & skf18("1","7","8","2","3","1","1") = "7"
    & skf18("1","7","8","2","3","2","1") = "7"
    & skf18("1","7","8","2","3","3","1") = "7"
    & skf18("1","7","8","2","3","4","1") = "7"
    & skf18("1","7","8","2","3","5","1") = "7"
    & skf18("1","7","8","2","3","6","1") = "7"
    & skf18("1","7","8","2","3","7","1") = "7"
    & skf18("1","7","8","2","3","8","1") = "7"
    & skf18("1","7","8","2","3","9","1") = "8"
    & skf18("1","7","8","2","3","10","1") = "9"
    & skf18("1","7","8","2","4","1","1") = "7"
    & skf18("1","7","8","2","4","2","1") = "7"
    & skf18("1","7","8","2","4","3","1") = "7"
    & skf18("1","7","8","2","4","4","1") = "7"
    & skf18("1","7","8","2","4","5","1") = "7"
    & skf18("1","7","8","2","4","6","1") = "7"
    & skf18("1","7","8","2","4","7","1") = "7"
    & skf18("1","7","8","2","4","8","1") = "7"
    & skf18("1","7","8","2","4","9","1") = "8"
    & skf18("1","7","8","2","4","10","1") = "9"
    & skf18("1","7","8","2","5","1","1") = "7"
    & skf18("1","7","8","2","5","2","1") = "7"
    & skf18("1","7","8","2","5","3","1") = "7"
    & skf18("1","7","8","2","5","4","1") = "7"
    & skf18("1","7","8","2","5","5","1") = "7"
    & skf18("1","7","8","2","5","6","1") = "7"
    & skf18("1","7","8","2","5","7","1") = "7"
    & skf18("1","7","8","2","5","8","1") = "7"
    & skf18("1","7","8","2","5","9","1") = "8"
    & skf18("1","7","8","2","5","10","1") = "9"
    & skf18("1","7","8","2","6","1","1") = "7"
    & skf18("1","7","8","2","6","2","1") = "7"
    & skf18("1","7","8","2","6","3","1") = "7"
    & skf18("1","7","8","2","6","4","1") = "7"
    & skf18("1","7","8","2","6","5","1") = "7"
    & skf18("1","7","8","2","6","6","1") = "7"
    & skf18("1","7","8","2","6","7","1") = "7"
    & skf18("1","7","8","2","6","8","1") = "7"
    & skf18("1","7","8","2","6","9","1") = "8"
    & skf18("1","7","8","2","6","10","1") = "9"
    & skf18("1","7","8","2","7","1","1") = "7"
    & skf18("1","7","8","2","7","2","1") = "7"
    & skf18("1","7","8","2","7","3","1") = "7"
    & skf18("1","7","8","2","7","4","1") = "7"
    & skf18("1","7","8","2","7","5","1") = "7"
    & skf18("1","7","8","2","7","6","1") = "7"
    & skf18("1","7","8","2","7","7","1") = "7"
    & skf18("1","7","8","2","7","8","1") = "7"
    & skf18("1","7","8","2","7","9","1") = "8"
    & skf18("1","7","8","2","7","10","1") = "9"
    & skf18("1","7","8","2","8","1","1") = "7"
    & skf18("1","7","8","2","8","2","1") = "7"
    & skf18("1","7","8","2","8","3","1") = "7"
    & skf18("1","7","8","2","8","4","1") = "7"
    & skf18("1","7","8","2","8","5","1") = "7"
    & skf18("1","7","8","2","8","6","1") = "7"
    & skf18("1","7","8","2","8","7","1") = "7"
    & skf18("1","7","8","2","8","8","1") = "7"
    & skf18("1","7","8","2","8","9","1") = "8"
    & skf18("1","7","8","2","8","10","1") = "9"
    & skf18("1","7","8","2","9","1","1") = "8"
    & skf18("1","7","8","2","9","2","1") = "8"
    & skf18("1","7","8","2","9","3","1") = "8"
    & skf18("1","7","8","2","9","4","1") = "8"
    & skf18("1","7","8","2","9","5","1") = "8"
    & skf18("1","7","8","2","9","6","1") = "8"
    & skf18("1","7","8","2","9","7","1") = "8"
    & skf18("1","7","8","2","9","8","1") = "8"
    & skf18("1","7","8","2","9","9","1") = "8"
    & skf18("1","7","8","2","9","10","1") = "9"
    & skf18("1","7","8","2","10","1","1") = "9"
    & skf18("1","7","8","2","10","2","1") = "9"
    & skf18("1","7","8","2","10","3","1") = "9"
    & skf18("1","7","8","2","10","4","1") = "9"
    & skf18("1","7","8","2","10","5","1") = "9"
    & skf18("1","7","8","2","10","6","1") = "9"
    & skf18("1","7","8","2","10","7","1") = "9"
    & skf18("1","7","8","2","10","8","1") = "9"
    & skf18("1","7","8","2","10","9","1") = "9"
    & skf18("1","7","8","2","10","10","1") = "9"
    & skf18("1","7","8","3","1","1","1") = "7"
    & skf18("1","7","8","3","1","2","1") = "7"
    & skf18("1","7","8","3","1","3","1") = "7"
    & skf18("1","7","8","3","1","4","1") = "7"
    & skf18("1","7","8","3","1","5","1") = "7"
    & skf18("1","7","8","3","1","6","1") = "7"
    & skf18("1","7","8","3","1","7","1") = "7"
    & skf18("1","7","8","3","1","8","1") = "7"
    & skf18("1","7","8","3","1","9","1") = "8"
    & skf18("1","7","8","3","1","10","1") = "9"
    & skf18("1","7","8","3","2","1","1") = "7"
    & skf18("1","7","8","3","2","2","1") = "7"
    & skf18("1","7","8","3","2","3","1") = "7"
    & skf18("1","7","8","3","2","4","1") = "7"
    & skf18("1","7","8","3","2","5","1") = "7"
    & skf18("1","7","8","3","2","6","1") = "7"
    & skf18("1","7","8","3","2","7","1") = "7"
    & skf18("1","7","8","3","2","8","1") = "7"
    & skf18("1","7","8","3","2","9","1") = "8"
    & skf18("1","7","8","3","2","10","1") = "9"
    & skf18("1","7","8","3","3","1","1") = "7"
    & skf18("1","7","8","3","3","2","1") = "7"
    & skf18("1","7","8","3","3","3","1") = "7"
    & skf18("1","7","8","3","3","4","1") = "7"
    & skf18("1","7","8","3","3","5","1") = "7"
    & skf18("1","7","8","3","3","6","1") = "7"
    & skf18("1","7","8","3","3","7","1") = "7"
    & skf18("1","7","8","3","3","8","1") = "7"
    & skf18("1","7","8","3","3","9","1") = "8"
    & skf18("1","7","8","3","3","10","1") = "9"
    & skf18("1","7","8","3","4","1","1") = "7"
    & skf18("1","7","8","3","4","2","1") = "7"
    & skf18("1","7","8","3","4","3","1") = "7"
    & skf18("1","7","8","3","4","4","1") = "7"
    & skf18("1","7","8","3","4","5","1") = "7"
    & skf18("1","7","8","3","4","6","1") = "7"
    & skf18("1","7","8","3","4","7","1") = "7"
    & skf18("1","7","8","3","4","8","1") = "7"
    & skf18("1","7","8","3","4","9","1") = "8"
    & skf18("1","7","8","3","4","10","1") = "9"
    & skf18("1","7","8","3","5","1","1") = "7"
    & skf18("1","7","8","3","5","2","1") = "7"
    & skf18("1","7","8","3","5","3","1") = "7"
    & skf18("1","7","8","3","5","4","1") = "7"
    & skf18("1","7","8","3","5","5","1") = "7"
    & skf18("1","7","8","3","5","6","1") = "7"
    & skf18("1","7","8","3","5","7","1") = "7"
    & skf18("1","7","8","3","5","8","1") = "7"
    & skf18("1","7","8","3","5","9","1") = "8"
    & skf18("1","7","8","3","5","10","1") = "9"
    & skf18("1","7","8","3","6","1","1") = "7"
    & skf18("1","7","8","3","6","2","1") = "7"
    & skf18("1","7","8","3","6","3","1") = "7"
    & skf18("1","7","8","3","6","4","1") = "7"
    & skf18("1","7","8","3","6","5","1") = "7"
    & skf18("1","7","8","3","6","6","1") = "7"
    & skf18("1","7","8","3","6","7","1") = "7"
    & skf18("1","7","8","3","6","8","1") = "7"
    & skf18("1","7","8","3","6","9","1") = "8"
    & skf18("1","7","8","3","6","10","1") = "9"
    & skf18("1","7","8","3","7","1","1") = "7"
    & skf18("1","7","8","3","7","2","1") = "7"
    & skf18("1","7","8","3","7","3","1") = "7"
    & skf18("1","7","8","3","7","4","1") = "7"
    & skf18("1","7","8","3","7","5","1") = "7"
    & skf18("1","7","8","3","7","6","1") = "7"
    & skf18("1","7","8","3","7","7","1") = "7"
    & skf18("1","7","8","3","7","8","1") = "7"
    & skf18("1","7","8","3","7","9","1") = "8"
    & skf18("1","7","8","3","7","10","1") = "9"
    & skf18("1","7","8","3","8","1","1") = "7"
    & skf18("1","7","8","3","8","2","1") = "7"
    & skf18("1","7","8","3","8","3","1") = "7"
    & skf18("1","7","8","3","8","4","1") = "7"
    & skf18("1","7","8","3","8","5","1") = "7"
    & skf18("1","7","8","3","8","6","1") = "7"
    & skf18("1","7","8","3","8","7","1") = "7"
    & skf18("1","7","8","3","8","8","1") = "7"
    & skf18("1","7","8","3","8","9","1") = "8"
    & skf18("1","7","8","3","8","10","1") = "9"
    & skf18("1","7","8","3","9","1","1") = "8"
    & skf18("1","7","8","3","9","2","1") = "8"
    & skf18("1","7","8","3","9","3","1") = "8"
    & skf18("1","7","8","3","9","4","1") = "8"
    & skf18("1","7","8","3","9","5","1") = "8"
    & skf18("1","7","8","3","9","6","1") = "8"
    & skf18("1","7","8","3","9","7","1") = "8"
    & skf18("1","7","8","3","9","8","1") = "8"
    & skf18("1","7","8","3","9","9","1") = "8"
    & skf18("1","7","8","3","9","10","1") = "9"
    & skf18("1","7","8","3","10","1","1") = "9"
    & skf18("1","7","8","3","10","2","1") = "9"
    & skf18("1","7","8","3","10","3","1") = "9"
    & skf18("1","7","8","3","10","4","1") = "9"
    & skf18("1","7","8","3","10","5","1") = "9"
    & skf18("1","7","8","3","10","6","1") = "9"
    & skf18("1","7","8","3","10","7","1") = "9"
    & skf18("1","7","8","3","10","8","1") = "9"
    & skf18("1","7","8","3","10","9","1") = "9"
    & skf18("1","7","8","3","10","10","1") = "9"
    & skf18("1","7","8","4","1","1","1") = "7"
    & skf18("1","7","8","4","1","2","1") = "7"
    & skf18("1","7","8","4","1","3","1") = "7"
    & skf18("1","7","8","4","1","4","1") = "7"
    & skf18("1","7","8","4","1","5","1") = "7"
    & skf18("1","7","8","4","1","6","1") = "7"
    & skf18("1","7","8","4","1","7","1") = "7"
    & skf18("1","7","8","4","1","8","1") = "7"
    & skf18("1","7","8","4","1","9","1") = "8"
    & skf18("1","7","8","4","1","10","1") = "9"
    & skf18("1","7","8","4","2","1","1") = "7"
    & skf18("1","7","8","4","2","2","1") = "7"
    & skf18("1","7","8","4","2","3","1") = "7"
    & skf18("1","7","8","4","2","4","1") = "7"
    & skf18("1","7","8","4","2","5","1") = "7"
    & skf18("1","7","8","4","2","6","1") = "7"
    & skf18("1","7","8","4","2","7","1") = "7"
    & skf18("1","7","8","4","2","8","1") = "7"
    & skf18("1","7","8","4","2","9","1") = "8"
    & skf18("1","7","8","4","2","10","1") = "9"
    & skf18("1","7","8","4","3","1","1") = "7"
    & skf18("1","7","8","4","3","2","1") = "7"
    & skf18("1","7","8","4","3","3","1") = "7"
    & skf18("1","7","8","4","3","4","1") = "7"
    & skf18("1","7","8","4","3","5","1") = "7"
    & skf18("1","7","8","4","3","6","1") = "7"
    & skf18("1","7","8","4","3","7","1") = "7"
    & skf18("1","7","8","4","3","8","1") = "7"
    & skf18("1","7","8","4","3","9","1") = "8"
    & skf18("1","7","8","4","3","10","1") = "9"
    & skf18("1","7","8","4","4","1","1") = "7"
    & skf18("1","7","8","4","4","2","1") = "7"
    & skf18("1","7","8","4","4","3","1") = "7"
    & skf18("1","7","8","4","4","4","1") = "7"
    & skf18("1","7","8","4","4","5","1") = "7"
    & skf18("1","7","8","4","4","6","1") = "7"
    & skf18("1","7","8","4","4","7","1") = "7"
    & skf18("1","7","8","4","4","8","1") = "7"
    & skf18("1","7","8","4","4","9","1") = "8"
    & skf18("1","7","8","4","4","10","1") = "9"
    & skf18("1","7","8","4","5","1","1") = "7"
    & skf18("1","7","8","4","5","2","1") = "7"
    & skf18("1","7","8","4","5","3","1") = "7"
    & skf18("1","7","8","4","5","4","1") = "7"
    & skf18("1","7","8","4","5","5","1") = "7"
    & skf18("1","7","8","4","5","6","1") = "7"
    & skf18("1","7","8","4","5","7","1") = "7"
    & skf18("1","7","8","4","5","8","1") = "7"
    & skf18("1","7","8","4","5","9","1") = "8"
    & skf18("1","7","8","4","5","10","1") = "9"
    & skf18("1","7","8","4","6","1","1") = "7"
    & skf18("1","7","8","4","6","2","1") = "7"
    & skf18("1","7","8","4","6","3","1") = "7"
    & skf18("1","7","8","4","6","4","1") = "7"
    & skf18("1","7","8","4","6","5","1") = "7"
    & skf18("1","7","8","4","6","6","1") = "7"
    & skf18("1","7","8","4","6","7","1") = "7"
    & skf18("1","7","8","4","6","8","1") = "7"
    & skf18("1","7","8","4","6","9","1") = "8"
    & skf18("1","7","8","4","6","10","1") = "9"
    & skf18("1","7","8","4","7","1","1") = "7"
    & skf18("1","7","8","4","7","2","1") = "7"
    & skf18("1","7","8","4","7","3","1") = "7"
    & skf18("1","7","8","4","7","4","1") = "7"
    & skf18("1","7","8","4","7","5","1") = "7"
    & skf18("1","7","8","4","7","6","1") = "7"
    & skf18("1","7","8","4","7","7","1") = "7"
    & skf18("1","7","8","4","7","8","1") = "7"
    & skf18("1","7","8","4","7","9","1") = "8"
    & skf18("1","7","8","4","7","10","1") = "9"
    & skf18("1","7","8","4","8","1","1") = "7"
    & skf18("1","7","8","4","8","2","1") = "7"
    & skf18("1","7","8","4","8","3","1") = "7"
    & skf18("1","7","8","4","8","4","1") = "7"
    & skf18("1","7","8","4","8","5","1") = "7"
    & skf18("1","7","8","4","8","6","1") = "7"
    & skf18("1","7","8","4","8","7","1") = "7"
    & skf18("1","7","8","4","8","8","1") = "7"
    & skf18("1","7","8","4","8","9","1") = "8"
    & skf18("1","7","8","4","8","10","1") = "9"
    & skf18("1","7","8","4","9","1","1") = "8"
    & skf18("1","7","8","4","9","2","1") = "8"
    & skf18("1","7","8","4","9","3","1") = "8"
    & skf18("1","7","8","4","9","4","1") = "8"
    & skf18("1","7","8","4","9","5","1") = "8"
    & skf18("1","7","8","4","9","6","1") = "8"
    & skf18("1","7","8","4","9","7","1") = "8"
    & skf18("1","7","8","4","9","8","1") = "8"
    & skf18("1","7","8","4","9","9","1") = "8"
    & skf18("1","7","8","4","9","10","1") = "9"
    & skf18("1","7","8","4","10","1","1") = "9"
    & skf18("1","7","8","4","10","2","1") = "9"
    & skf18("1","7","8","4","10","3","1") = "9"
    & skf18("1","7","8","4","10","4","1") = "9"
    & skf18("1","7","8","4","10","5","1") = "9"
    & skf18("1","7","8","4","10","6","1") = "9"
    & skf18("1","7","8","4","10","7","1") = "9"
    & skf18("1","7","8","4","10","8","1") = "9"
    & skf18("1","7","8","4","10","9","1") = "9"
    & skf18("1","7","8","4","10","10","1") = "9"
    & skf18("1","7","8","5","1","1","1") = "7"
    & skf18("1","7","8","5","1","2","1") = "7"
    & skf18("1","7","8","5","1","3","1") = "7"
    & skf18("1","7","8","5","1","4","1") = "7"
    & skf18("1","7","8","5","1","5","1") = "7"
    & skf18("1","7","8","5","1","6","1") = "7"
    & skf18("1","7","8","5","1","7","1") = "7"
    & skf18("1","7","8","5","1","8","1") = "7"
    & skf18("1","7","8","5","1","9","1") = "8"
    & skf18("1","7","8","5","1","10","1") = "9"
    & skf18("1","7","8","5","2","1","1") = "7"
    & skf18("1","7","8","5","2","2","1") = "7"
    & skf18("1","7","8","5","2","3","1") = "7"
    & skf18("1","7","8","5","2","4","1") = "7"
    & skf18("1","7","8","5","2","5","1") = "7"
    & skf18("1","7","8","5","2","6","1") = "7"
    & skf18("1","7","8","5","2","7","1") = "7"
    & skf18("1","7","8","5","2","8","1") = "7"
    & skf18("1","7","8","5","2","9","1") = "8"
    & skf18("1","7","8","5","2","10","1") = "9"
    & skf18("1","7","8","5","3","1","1") = "7"
    & skf18("1","7","8","5","3","2","1") = "7"
    & skf18("1","7","8","5","3","3","1") = "7"
    & skf18("1","7","8","5","3","4","1") = "7"
    & skf18("1","7","8","5","3","5","1") = "7"
    & skf18("1","7","8","5","3","6","1") = "7"
    & skf18("1","7","8","5","3","7","1") = "7"
    & skf18("1","7","8","5","3","8","1") = "7"
    & skf18("1","7","8","5","3","9","1") = "8"
    & skf18("1","7","8","5","3","10","1") = "9"
    & skf18("1","7","8","5","4","1","1") = "7"
    & skf18("1","7","8","5","4","2","1") = "7"
    & skf18("1","7","8","5","4","3","1") = "7"
    & skf18("1","7","8","5","4","4","1") = "7"
    & skf18("1","7","8","5","4","5","1") = "7"
    & skf18("1","7","8","5","4","6","1") = "7"
    & skf18("1","7","8","5","4","7","1") = "7"
    & skf18("1","7","8","5","4","8","1") = "7"
    & skf18("1","7","8","5","4","9","1") = "8"
    & skf18("1","7","8","5","4","10","1") = "9"
    & skf18("1","7","8","5","5","1","1") = "7"
    & skf18("1","7","8","5","5","2","1") = "7"
    & skf18("1","7","8","5","5","3","1") = "7"
    & skf18("1","7","8","5","5","4","1") = "7"
    & skf18("1","7","8","5","5","5","1") = "7"
    & skf18("1","7","8","5","5","6","1") = "7"
    & skf18("1","7","8","5","5","7","1") = "7"
    & skf18("1","7","8","5","5","8","1") = "7"
    & skf18("1","7","8","5","5","9","1") = "8"
    & skf18("1","7","8","5","5","10","1") = "9"
    & skf18("1","7","8","5","6","1","1") = "7"
    & skf18("1","7","8","5","6","2","1") = "7"
    & skf18("1","7","8","5","6","3","1") = "7"
    & skf18("1","7","8","5","6","4","1") = "7"
    & skf18("1","7","8","5","6","5","1") = "7"
    & skf18("1","7","8","5","6","6","1") = "7"
    & skf18("1","7","8","5","6","7","1") = "7"
    & skf18("1","7","8","5","6","8","1") = "7"
    & skf18("1","7","8","5","6","9","1") = "8"
    & skf18("1","7","8","5","6","10","1") = "9"
    & skf18("1","7","8","5","7","1","1") = "7"
    & skf18("1","7","8","5","7","2","1") = "7"
    & skf18("1","7","8","5","7","3","1") = "7"
    & skf18("1","7","8","5","7","4","1") = "7"
    & skf18("1","7","8","5","7","5","1") = "7"
    & skf18("1","7","8","5","7","6","1") = "7"
    & skf18("1","7","8","5","7","7","1") = "7"
    & skf18("1","7","8","5","7","8","1") = "7"
    & skf18("1","7","8","5","7","9","1") = "8"
    & skf18("1","7","8","5","7","10","1") = "9"
    & skf18("1","7","8","5","8","1","1") = "7"
    & skf18("1","7","8","5","8","2","1") = "7"
    & skf18("1","7","8","5","8","3","1") = "7"
    & skf18("1","7","8","5","8","4","1") = "7"
    & skf18("1","7","8","5","8","5","1") = "7"
    & skf18("1","7","8","5","8","6","1") = "7"
    & skf18("1","7","8","5","8","7","1") = "7"
    & skf18("1","7","8","5","8","8","1") = "7"
    & skf18("1","7","8","5","8","9","1") = "8"
    & skf18("1","7","8","5","8","10","1") = "9"
    & skf18("1","7","8","5","9","1","1") = "8"
    & skf18("1","7","8","5","9","2","1") = "8"
    & skf18("1","7","8","5","9","3","1") = "8"
    & skf18("1","7","8","5","9","4","1") = "8"
    & skf18("1","7","8","5","9","5","1") = "8"
    & skf18("1","7","8","5","9","6","1") = "8"
    & skf18("1","7","8","5","9","7","1") = "8"
    & skf18("1","7","8","5","9","8","1") = "8"
    & skf18("1","7","8","5","9","9","1") = "8"
    & skf18("1","7","8","5","9","10","1") = "9"
    & skf18("1","7","8","5","10","1","1") = "9"
    & skf18("1","7","8","5","10","2","1") = "9"
    & skf18("1","7","8","5","10","3","1") = "9"
    & skf18("1","7","8","5","10","4","1") = "9"
    & skf18("1","7","8","5","10","5","1") = "9"
    & skf18("1","7","8","5","10","6","1") = "9"
    & skf18("1","7","8","5","10","7","1") = "9"
    & skf18("1","7","8","5","10","8","1") = "9"
    & skf18("1","7","8","5","10","9","1") = "9"
    & skf18("1","7","8","5","10","10","1") = "9"
    & skf18("1","7","8","6","1","1","1") = "7"
    & skf18("1","7","8","6","1","2","1") = "7"
    & skf18("1","7","8","6","1","3","1") = "7"
    & skf18("1","7","8","6","1","4","1") = "7"
    & skf18("1","7","8","6","1","5","1") = "7"
    & skf18("1","7","8","6","1","6","1") = "7"
    & skf18("1","7","8","6","1","7","1") = "7"
    & skf18("1","7","8","6","1","8","1") = "7"
    & skf18("1","7","8","6","1","9","1") = "8"
    & skf18("1","7","8","6","1","10","1") = "9"
    & skf18("1","7","8","6","2","1","1") = "7"
    & skf18("1","7","8","6","2","2","1") = "7"
    & skf18("1","7","8","6","2","3","1") = "7"
    & skf18("1","7","8","6","2","4","1") = "7"
    & skf18("1","7","8","6","2","5","1") = "7"
    & skf18("1","7","8","6","2","6","1") = "7"
    & skf18("1","7","8","6","2","7","1") = "7"
    & skf18("1","7","8","6","2","8","1") = "7"
    & skf18("1","7","8","6","2","9","1") = "8"
    & skf18("1","7","8","6","2","10","1") = "9"
    & skf18("1","7","8","6","3","1","1") = "7"
    & skf18("1","7","8","6","3","2","1") = "7"
    & skf18("1","7","8","6","3","3","1") = "7"
    & skf18("1","7","8","6","3","4","1") = "7"
    & skf18("1","7","8","6","3","5","1") = "7"
    & skf18("1","7","8","6","3","6","1") = "7"
    & skf18("1","7","8","6","3","7","1") = "7"
    & skf18("1","7","8","6","3","8","1") = "7"
    & skf18("1","7","8","6","3","9","1") = "8"
    & skf18("1","7","8","6","3","10","1") = "9"
    & skf18("1","7","8","6","4","1","1") = "7"
    & skf18("1","7","8","6","4","2","1") = "7"
    & skf18("1","7","8","6","4","3","1") = "7"
    & skf18("1","7","8","6","4","4","1") = "7"
    & skf18("1","7","8","6","4","5","1") = "7"
    & skf18("1","7","8","6","4","6","1") = "7"
    & skf18("1","7","8","6","4","7","1") = "7"
    & skf18("1","7","8","6","4","8","1") = "7"
    & skf18("1","7","8","6","4","9","1") = "8"
    & skf18("1","7","8","6","4","10","1") = "9"
    & skf18("1","7","8","6","5","1","1") = "7"
    & skf18("1","7","8","6","5","2","1") = "7"
    & skf18("1","7","8","6","5","3","1") = "7"
    & skf18("1","7","8","6","5","4","1") = "7"
    & skf18("1","7","8","6","5","5","1") = "7"
    & skf18("1","7","8","6","5","6","1") = "7"
    & skf18("1","7","8","6","5","7","1") = "7"
    & skf18("1","7","8","6","5","8","1") = "7"
    & skf18("1","7","8","6","5","9","1") = "8"
    & skf18("1","7","8","6","5","10","1") = "9"
    & skf18("1","7","8","6","6","1","1") = "7"
    & skf18("1","7","8","6","6","2","1") = "7"
    & skf18("1","7","8","6","6","3","1") = "7"
    & skf18("1","7","8","6","6","4","1") = "7"
    & skf18("1","7","8","6","6","5","1") = "7"
    & skf18("1","7","8","6","6","6","1") = "7"
    & skf18("1","7","8","6","6","7","1") = "7"
    & skf18("1","7","8","6","6","8","1") = "7"
    & skf18("1","7","8","6","6","9","1") = "8"
    & skf18("1","7","8","6","6","10","1") = "9"
    & skf18("1","7","8","6","7","1","1") = "7"
    & skf18("1","7","8","6","7","2","1") = "7"
    & skf18("1","7","8","6","7","3","1") = "7"
    & skf18("1","7","8","6","7","4","1") = "7"
    & skf18("1","7","8","6","7","5","1") = "7"
    & skf18("1","7","8","6","7","6","1") = "7"
    & skf18("1","7","8","6","7","7","1") = "7"
    & skf18("1","7","8","6","7","8","1") = "7"
    & skf18("1","7","8","6","7","9","1") = "8"
    & skf18("1","7","8","6","7","10","1") = "9"
    & skf18("1","7","8","6","8","1","1") = "7"
    & skf18("1","7","8","6","8","2","1") = "7"
    & skf18("1","7","8","6","8","3","1") = "7"
    & skf18("1","7","8","6","8","4","1") = "7"
    & skf18("1","7","8","6","8","5","1") = "7"
    & skf18("1","7","8","6","8","6","1") = "7"
    & skf18("1","7","8","6","8","7","1") = "7"
    & skf18("1","7","8","6","8","8","1") = "7"
    & skf18("1","7","8","6","8","9","1") = "8"
    & skf18("1","7","8","6","8","10","1") = "9"
    & skf18("1","7","8","6","9","1","1") = "8"
    & skf18("1","7","8","6","9","2","1") = "8"
    & skf18("1","7","8","6","9","3","1") = "8"
    & skf18("1","7","8","6","9","4","1") = "8"
    & skf18("1","7","8","6","9","5","1") = "8"
    & skf18("1","7","8","6","9","6","1") = "8"
    & skf18("1","7","8","6","9","7","1") = "8"
    & skf18("1","7","8","6","9","8","1") = "8"
    & skf18("1","7","8","6","9","9","1") = "8"
    & skf18("1","7","8","6","9","10","1") = "9"
    & skf18("1","7","8","6","10","1","1") = "9"
    & skf18("1","7","8","6","10","2","1") = "9"
    & skf18("1","7","8","6","10","3","1") = "9"
    & skf18("1","7","8","6","10","4","1") = "9"
    & skf18("1","7","8","6","10","5","1") = "9"
    & skf18("1","7","8","6","10","6","1") = "9"
    & skf18("1","7","8","6","10","7","1") = "9"
    & skf18("1","7","8","6","10","8","1") = "9"
    & skf18("1","7","8","6","10","9","1") = "9"
    & skf18("1","7","8","6","10","10","1") = "9"
    & skf18("1","7","8","7","1","1","1") = "7"
    & skf18("1","7","8","7","1","2","1") = "7"
    & skf18("1","7","8","7","1","3","1") = "7"
    & skf18("1","7","8","7","1","4","1") = "7"
    & skf18("1","7","8","7","1","5","1") = "7"
    & skf18("1","7","8","7","1","6","1") = "7"
    & skf18("1","7","8","7","1","7","1") = "7"
    & skf18("1","7","8","7","1","8","1") = "7"
    & skf18("1","7","8","7","1","9","1") = "8"
    & skf18("1","7","8","7","1","10","1") = "9"
    & skf18("1","7","8","7","2","1","1") = "7"
    & skf18("1","7","8","7","2","2","1") = "7"
    & skf18("1","7","8","7","2","3","1") = "7"
    & skf18("1","7","8","7","2","4","1") = "7"
    & skf18("1","7","8","7","2","5","1") = "7"
    & skf18("1","7","8","7","2","6","1") = "7"
    & skf18("1","7","8","7","2","7","1") = "7"
    & skf18("1","7","8","7","2","8","1") = "7"
    & skf18("1","7","8","7","2","9","1") = "8"
    & skf18("1","7","8","7","2","10","1") = "9"
    & skf18("1","7","8","7","3","1","1") = "7"
    & skf18("1","7","8","7","3","2","1") = "7"
    & skf18("1","7","8","7","3","3","1") = "7"
    & skf18("1","7","8","7","3","4","1") = "7"
    & skf18("1","7","8","7","3","5","1") = "7"
    & skf18("1","7","8","7","3","6","1") = "7"
    & skf18("1","7","8","7","3","7","1") = "7"
    & skf18("1","7","8","7","3","8","1") = "7"
    & skf18("1","7","8","7","3","9","1") = "8"
    & skf18("1","7","8","7","3","10","1") = "9"
    & skf18("1","7","8","7","4","1","1") = "7"
    & skf18("1","7","8","7","4","2","1") = "7"
    & skf18("1","7","8","7","4","3","1") = "7"
    & skf18("1","7","8","7","4","4","1") = "7"
    & skf18("1","7","8","7","4","5","1") = "7"
    & skf18("1","7","8","7","4","6","1") = "7"
    & skf18("1","7","8","7","4","7","1") = "7"
    & skf18("1","7","8","7","4","8","1") = "7"
    & skf18("1","7","8","7","4","9","1") = "8"
    & skf18("1","7","8","7","4","10","1") = "9"
    & skf18("1","7","8","7","5","1","1") = "7"
    & skf18("1","7","8","7","5","2","1") = "7"
    & skf18("1","7","8","7","5","3","1") = "7"
    & skf18("1","7","8","7","5","4","1") = "7"
    & skf18("1","7","8","7","5","5","1") = "7"
    & skf18("1","7","8","7","5","6","1") = "7"
    & skf18("1","7","8","7","5","7","1") = "7"
    & skf18("1","7","8","7","5","8","1") = "7"
    & skf18("1","7","8","7","5","9","1") = "8"
    & skf18("1","7","8","7","5","10","1") = "9"
    & skf18("1","7","8","7","6","1","1") = "7"
    & skf18("1","7","8","7","6","2","1") = "7"
    & skf18("1","7","8","7","6","3","1") = "7"
    & skf18("1","7","8","7","6","4","1") = "7"
    & skf18("1","7","8","7","6","5","1") = "7"
    & skf18("1","7","8","7","6","6","1") = "7"
    & skf18("1","7","8","7","6","7","1") = "7"
    & skf18("1","7","8","7","6","8","1") = "7"
    & skf18("1","7","8","7","6","9","1") = "8"
    & skf18("1","7","8","7","6","10","1") = "9"
    & skf18("1","7","8","7","7","1","1") = "7"
    & skf18("1","7","8","7","7","2","1") = "7"
    & skf18("1","7","8","7","7","3","1") = "7"
    & skf18("1","7","8","7","7","4","1") = "7"
    & skf18("1","7","8","7","7","5","1") = "7"
    & skf18("1","7","8","7","7","6","1") = "7"
    & skf18("1","7","8","7","7","7","1") = "7"
    & skf18("1","7","8","7","7","8","1") = "7"
    & skf18("1","7","8","7","7","9","1") = "8"
    & skf18("1","7","8","7","7","10","1") = "9"
    & skf18("1","7","8","7","8","1","1") = "7"
    & skf18("1","7","8","7","8","2","1") = "7"
    & skf18("1","7","8","7","8","3","1") = "7"
    & skf18("1","7","8","7","8","4","1") = "7"
    & skf18("1","7","8","7","8","5","1") = "7"
    & skf18("1","7","8","7","8","6","1") = "7"
    & skf18("1","7","8","7","8","7","1") = "7"
    & skf18("1","7","8","7","8","8","1") = "7"
    & skf18("1","7","8","7","8","9","1") = "8"
    & skf18("1","7","8","7","8","10","1") = "9"
    & skf18("1","7","8","7","9","1","1") = "8"
    & skf18("1","7","8","7","9","2","1") = "8"
    & skf18("1","7","8","7","9","3","1") = "8"
    & skf18("1","7","8","7","9","4","1") = "8"
    & skf18("1","7","8","7","9","5","1") = "8"
    & skf18("1","7","8","7","9","6","1") = "8"
    & skf18("1","7","8","7","9","7","1") = "8"
    & skf18("1","7","8","7","9","8","1") = "8"
    & skf18("1","7","8","7","9","9","1") = "8"
    & skf18("1","7","8","7","9","10","1") = "9"
    & skf18("1","7","8","7","10","1","1") = "9"
    & skf18("1","7","8","7","10","2","1") = "9"
    & skf18("1","7","8","7","10","3","1") = "9"
    & skf18("1","7","8","7","10","4","1") = "9"
    & skf18("1","7","8","7","10","5","1") = "9"
    & skf18("1","7","8","7","10","6","1") = "9"
    & skf18("1","7","8","7","10","7","1") = "9"
    & skf18("1","7","8","7","10","8","1") = "9"
    & skf18("1","7","8","7","10","9","1") = "9"
    & skf18("1","7","8","7","10","10","1") = "9"
    & skf18("1","7","8","8","1","1","1") = "7"
    & skf18("1","7","8","8","1","2","1") = "7"
    & skf18("1","7","8","8","1","3","1") = "7"
    & skf18("1","7","8","8","1","4","1") = "7"
    & skf18("1","7","8","8","1","5","1") = "7"
    & skf18("1","7","8","8","1","6","1") = "7"
    & skf18("1","7","8","8","1","7","1") = "7"
    & skf18("1","7","8","8","1","8","1") = "7"
    & skf18("1","7","8","8","1","9","1") = "8"
    & skf18("1","7","8","8","1","10","1") = "9"
    & skf18("1","7","8","8","2","1","1") = "7"
    & skf18("1","7","8","8","2","2","1") = "7"
    & skf18("1","7","8","8","2","3","1") = "7"
    & skf18("1","7","8","8","2","4","1") = "7"
    & skf18("1","7","8","8","2","5","1") = "7"
    & skf18("1","7","8","8","2","6","1") = "7"
    & skf18("1","7","8","8","2","7","1") = "7"
    & skf18("1","7","8","8","2","8","1") = "7"
    & skf18("1","7","8","8","2","9","1") = "8"
    & skf18("1","7","8","8","2","10","1") = "9"
    & skf18("1","7","8","8","3","1","1") = "7"
    & skf18("1","7","8","8","3","2","1") = "7"
    & skf18("1","7","8","8","3","3","1") = "7"
    & skf18("1","7","8","8","3","4","1") = "7"
    & skf18("1","7","8","8","3","5","1") = "7"
    & skf18("1","7","8","8","3","6","1") = "7"
    & skf18("1","7","8","8","3","7","1") = "7"
    & skf18("1","7","8","8","3","8","1") = "7"
    & skf18("1","7","8","8","3","9","1") = "8"
    & skf18("1","7","8","8","3","10","1") = "9"
    & skf18("1","7","8","8","4","1","1") = "7"
    & skf18("1","7","8","8","4","2","1") = "7"
    & skf18("1","7","8","8","4","3","1") = "7"
    & skf18("1","7","8","8","4","4","1") = "7"
    & skf18("1","7","8","8","4","5","1") = "7"
    & skf18("1","7","8","8","4","6","1") = "7"
    & skf18("1","7","8","8","4","7","1") = "7"
    & skf18("1","7","8","8","4","8","1") = "7"
    & skf18("1","7","8","8","4","9","1") = "8"
    & skf18("1","7","8","8","4","10","1") = "9"
    & skf18("1","7","8","8","5","1","1") = "7"
    & skf18("1","7","8","8","5","2","1") = "7"
    & skf18("1","7","8","8","5","3","1") = "7"
    & skf18("1","7","8","8","5","4","1") = "7"
    & skf18("1","7","8","8","5","5","1") = "7"
    & skf18("1","7","8","8","5","6","1") = "7"
    & skf18("1","7","8","8","5","7","1") = "7"
    & skf18("1","7","8","8","5","8","1") = "7"
    & skf18("1","7","8","8","5","9","1") = "8"
    & skf18("1","7","8","8","5","10","1") = "9"
    & skf18("1","7","8","8","6","1","1") = "7"
    & skf18("1","7","8","8","6","2","1") = "7"
    & skf18("1","7","8","8","6","3","1") = "7"
    & skf18("1","7","8","8","6","4","1") = "7"
    & skf18("1","7","8","8","6","5","1") = "7"
    & skf18("1","7","8","8","6","6","1") = "7"
    & skf18("1","7","8","8","6","7","1") = "7"
    & skf18("1","7","8","8","6","8","1") = "7"
    & skf18("1","7","8","8","6","9","1") = "8"
    & skf18("1","7","8","8","6","10","1") = "9"
    & skf18("1","7","8","8","7","1","1") = "7"
    & skf18("1","7","8","8","7","2","1") = "7"
    & skf18("1","7","8","8","7","3","1") = "7"
    & skf18("1","7","8","8","7","4","1") = "7"
    & skf18("1","7","8","8","7","5","1") = "7"
    & skf18("1","7","8","8","7","6","1") = "7"
    & skf18("1","7","8","8","7","7","1") = "7"
    & skf18("1","7","8","8","7","8","1") = "7"
    & skf18("1","7","8","8","7","9","1") = "8"
    & skf18("1","7","8","8","7","10","1") = "9"
    & skf18("1","7","8","8","8","1","1") = "7"
    & skf18("1","7","8","8","8","2","1") = "7"
    & skf18("1","7","8","8","8","3","1") = "7"
    & skf18("1","7","8","8","8","4","1") = "7"
    & skf18("1","7","8","8","8","5","1") = "7"
    & skf18("1","7","8","8","8","6","1") = "7"
    & skf18("1","7","8","8","8","7","1") = "7"
    & skf18("1","7","8","8","8","8","1") = "7"
    & skf18("1","7","8","8","8","9","1") = "8"
    & skf18("1","7","8","8","8","10","1") = "9"
    & skf18("1","7","8","8","9","1","1") = "8"
    & skf18("1","7","8","8","9","2","1") = "8"
    & skf18("1","7","8","8","9","3","1") = "8"
    & skf18("1","7","8","8","9","4","1") = "8"
    & skf18("1","7","8","8","9","5","1") = "8"
    & skf18("1","7","8","8","9","6","1") = "8"
    & skf18("1","7","8","8","9","7","1") = "8"
    & skf18("1","7","8","8","9","8","1") = "8"
    & skf18("1","7","8","8","9","9","1") = "8"
    & skf18("1","7","8","8","9","10","1") = "9"
    & skf18("1","7","8","8","10","1","1") = "9"
    & skf18("1","7","8","8","10","2","1") = "9"
    & skf18("1","7","8","8","10","3","1") = "9"
    & skf18("1","7","8","8","10","4","1") = "9"
    & skf18("1","7","8","8","10","5","1") = "9"
    & skf18("1","7","8","8","10","6","1") = "9"
    & skf18("1","7","8","8","10","7","1") = "9"
    & skf18("1","7","8","8","10","8","1") = "9"
    & skf18("1","7","8","8","10","9","1") = "9"
    & skf18("1","7","8","8","10","10","1") = "9"
    & skf18("1","7","8","9","1","1","1") = "8"
    & skf18("1","7","8","9","1","2","1") = "8"
    & skf18("1","7","8","9","1","3","1") = "8"
    & skf18("1","7","8","9","1","4","1") = "8"
    & skf18("1","7","8","9","1","5","1") = "8"
    & skf18("1","7","8","9","1","6","1") = "8"
    & skf18("1","7","8","9","1","7","1") = "8"
    & skf18("1","7","8","9","1","8","1") = "8"
    & skf18("1","7","8","9","1","9","1") = "8"
    & skf18("1","7","8","9","1","10","1") = "9"
    & skf18("1","7","8","9","2","1","1") = "8"
    & skf18("1","7","8","9","2","2","1") = "8"
    & skf18("1","7","8","9","2","3","1") = "8"
    & skf18("1","7","8","9","2","4","1") = "8"
    & skf18("1","7","8","9","2","5","1") = "8"
    & skf18("1","7","8","9","2","6","1") = "8"
    & skf18("1","7","8","9","2","7","1") = "8"
    & skf18("1","7","8","9","2","8","1") = "8"
    & skf18("1","7","8","9","2","9","1") = "8"
    & skf18("1","7","8","9","2","10","1") = "9"
    & skf18("1","7","8","9","3","1","1") = "8"
    & skf18("1","7","8","9","3","2","1") = "8"
    & skf18("1","7","8","9","3","3","1") = "8"
    & skf18("1","7","8","9","3","4","1") = "8"
    & skf18("1","7","8","9","3","5","1") = "8"
    & skf18("1","7","8","9","3","6","1") = "8"
    & skf18("1","7","8","9","3","7","1") = "8"
    & skf18("1","7","8","9","3","8","1") = "8"
    & skf18("1","7","8","9","3","9","1") = "8"
    & skf18("1","7","8","9","3","10","1") = "9"
    & skf18("1","7","8","9","4","1","1") = "8"
    & skf18("1","7","8","9","4","2","1") = "8"
    & skf18("1","7","8","9","4","3","1") = "8"
    & skf18("1","7","8","9","4","4","1") = "8"
    & skf18("1","7","8","9","4","5","1") = "8"
    & skf18("1","7","8","9","4","6","1") = "8"
    & skf18("1","7","8","9","4","7","1") = "8"
    & skf18("1","7","8","9","4","8","1") = "8"
    & skf18("1","7","8","9","4","9","1") = "8"
    & skf18("1","7","8","9","4","10","1") = "9"
    & skf18("1","7","8","9","5","1","1") = "8"
    & skf18("1","7","8","9","5","2","1") = "8"
    & skf18("1","7","8","9","5","3","1") = "8"
    & skf18("1","7","8","9","5","4","1") = "8"
    & skf18("1","7","8","9","5","5","1") = "8"
    & skf18("1","7","8","9","5","6","1") = "8"
    & skf18("1","7","8","9","5","7","1") = "8"
    & skf18("1","7","8","9","5","8","1") = "8"
    & skf18("1","7","8","9","5","9","1") = "8"
    & skf18("1","7","8","9","5","10","1") = "9"
    & skf18("1","7","8","9","6","1","1") = "8"
    & skf18("1","7","8","9","6","2","1") = "8"
    & skf18("1","7","8","9","6","3","1") = "8"
    & skf18("1","7","8","9","6","4","1") = "8"
    & skf18("1","7","8","9","6","5","1") = "8"
    & skf18("1","7","8","9","6","6","1") = "8"
    & skf18("1","7","8","9","6","7","1") = "8"
    & skf18("1","7","8","9","6","8","1") = "8"
    & skf18("1","7","8","9","6","9","1") = "8"
    & skf18("1","7","8","9","6","10","1") = "9"
    & skf18("1","7","8","9","7","1","1") = "8"
    & skf18("1","7","8","9","7","2","1") = "8"
    & skf18("1","7","8","9","7","3","1") = "8"
    & skf18("1","7","8","9","7","4","1") = "8"
    & skf18("1","7","8","9","7","5","1") = "8"
    & skf18("1","7","8","9","7","6","1") = "8"
    & skf18("1","7","8","9","7","7","1") = "8"
    & skf18("1","7","8","9","7","8","1") = "8"
    & skf18("1","7","8","9","7","9","1") = "8"
    & skf18("1","7","8","9","7","10","1") = "9"
    & skf18("1","7","8","9","8","1","1") = "8"
    & skf18("1","7","8","9","8","2","1") = "8"
    & skf18("1","7","8","9","8","3","1") = "8"
    & skf18("1","7","8","9","8","4","1") = "8"
    & skf18("1","7","8","9","8","5","1") = "8"
    & skf18("1","7","8","9","8","6","1") = "8"
    & skf18("1","7","8","9","8","7","1") = "8"
    & skf18("1","7","8","9","8","8","1") = "8"
    & skf18("1","7","8","9","8","9","1") = "8"
    & skf18("1","7","8","9","8","10","1") = "9"
    & skf18("1","7","8","9","9","1","1") = "8"
    & skf18("1","7","8","9","9","2","1") = "8"
    & skf18("1","7","8","9","9","3","1") = "8"
    & skf18("1","7","8","9","9","4","1") = "8"
    & skf18("1","7","8","9","9","5","1") = "8"
    & skf18("1","7","8","9","9","6","1") = "8"
    & skf18("1","7","8","9","9","7","1") = "8"
    & skf18("1","7","8","9","9","8","1") = "8"
    & skf18("1","7","8","9","9","9","1") = "8"
    & skf18("1","7","8","9","9","10","1") = "9"
    & skf18("1","7","8","9","10","1","1") = "9"
    & skf18("1","7","8","9","10","2","1") = "9"
    & skf18("1","7","8","9","10","3","1") = "9"
    & skf18("1","7","8","9","10","4","1") = "9"
    & skf18("1","7","8","9","10","5","1") = "9"
    & skf18("1","7","8","9","10","6","1") = "9"
    & skf18("1","7","8","9","10","7","1") = "9"
    & skf18("1","7","8","9","10","8","1") = "9"
    & skf18("1","7","8","9","10","9","1") = "9"
    & skf18("1","7","8","9","10","10","1") = "9"
    & skf18("1","7","8","10","1","1","1") = "9"
    & skf18("1","7","8","10","1","2","1") = "9"
    & skf18("1","7","8","10","1","3","1") = "9"
    & skf18("1","7","8","10","1","4","1") = "9"
    & skf18("1","7","8","10","1","5","1") = "9"
    & skf18("1","7","8","10","1","6","1") = "9"
    & skf18("1","7","8","10","1","7","1") = "9"
    & skf18("1","7","8","10","1","8","1") = "9"
    & skf18("1","7","8","10","1","9","1") = "9"
    & skf18("1","7","8","10","1","10","1") = "9"
    & skf18("1","7","8","10","2","1","1") = "9"
    & skf18("1","7","8","10","2","2","1") = "9"
    & skf18("1","7","8","10","2","3","1") = "9"
    & skf18("1","7","8","10","2","4","1") = "9"
    & skf18("1","7","8","10","2","5","1") = "9"
    & skf18("1","7","8","10","2","6","1") = "9"
    & skf18("1","7","8","10","2","7","1") = "9"
    & skf18("1","7","8","10","2","8","1") = "9"
    & skf18("1","7","8","10","2","9","1") = "9"
    & skf18("1","7","8","10","2","10","1") = "9"
    & skf18("1","7","8","10","3","1","1") = "9"
    & skf18("1","7","8","10","3","2","1") = "9"
    & skf18("1","7","8","10","3","3","1") = "9"
    & skf18("1","7","8","10","3","4","1") = "9"
    & skf18("1","7","8","10","3","5","1") = "9"
    & skf18("1","7","8","10","3","6","1") = "9"
    & skf18("1","7","8","10","3","7","1") = "9"
    & skf18("1","7","8","10","3","8","1") = "9"
    & skf18("1","7","8","10","3","9","1") = "9"
    & skf18("1","7","8","10","3","10","1") = "9"
    & skf18("1","7","8","10","4","1","1") = "9"
    & skf18("1","7","8","10","4","2","1") = "9"
    & skf18("1","7","8","10","4","3","1") = "9"
    & skf18("1","7","8","10","4","4","1") = "9"
    & skf18("1","7","8","10","4","5","1") = "9"
    & skf18("1","7","8","10","4","6","1") = "9"
    & skf18("1","7","8","10","4","7","1") = "9"
    & skf18("1","7","8","10","4","8","1") = "9"
    & skf18("1","7","8","10","4","9","1") = "9"
    & skf18("1","7","8","10","4","10","1") = "9"
    & skf18("1","7","8","10","5","1","1") = "9"
    & skf18("1","7","8","10","5","2","1") = "9"
    & skf18("1","7","8","10","5","3","1") = "9"
    & skf18("1","7","8","10","5","4","1") = "9"
    & skf18("1","7","8","10","5","5","1") = "9"
    & skf18("1","7","8","10","5","6","1") = "9"
    & skf18("1","7","8","10","5","7","1") = "9"
    & skf18("1","7","8","10","5","8","1") = "9"
    & skf18("1","7","8","10","5","9","1") = "9"
    & skf18("1","7","8","10","5","10","1") = "9"
    & skf18("1","7","8","10","6","1","1") = "9"
    & skf18("1","7","8","10","6","2","1") = "9"
    & skf18("1","7","8","10","6","3","1") = "9"
    & skf18("1","7","8","10","6","4","1") = "9"
    & skf18("1","7","8","10","6","5","1") = "9"
    & skf18("1","7","8","10","6","6","1") = "9"
    & skf18("1","7","8","10","6","7","1") = "9"
    & skf18("1","7","8","10","6","8","1") = "9"
    & skf18("1","7","8","10","6","9","1") = "9"
    & skf18("1","7","8","10","6","10","1") = "9"
    & skf18("1","7","8","10","7","1","1") = "9"
    & skf18("1","7","8","10","7","2","1") = "9"
    & skf18("1","7","8","10","7","3","1") = "9"
    & skf18("1","7","8","10","7","4","1") = "9"
    & skf18("1","7","8","10","7","5","1") = "9"
    & skf18("1","7","8","10","7","6","1") = "9"
    & skf18("1","7","8","10","7","7","1") = "9"
    & skf18("1","7","8","10","7","8","1") = "9"
    & skf18("1","7","8","10","7","9","1") = "9"
    & skf18("1","7","8","10","7","10","1") = "9"
    & skf18("1","7","8","10","8","1","1") = "9"
    & skf18("1","7","8","10","8","2","1") = "9"
    & skf18("1","7","8","10","8","3","1") = "9"
    & skf18("1","7","8","10","8","4","1") = "9"
    & skf18("1","7","8","10","8","5","1") = "9"
    & skf18("1","7","8","10","8","6","1") = "9"
    & skf18("1","7","8","10","8","7","1") = "9"
    & skf18("1","7","8","10","8","8","1") = "9"
    & skf18("1","7","8","10","8","9","1") = "9"
    & skf18("1","7","8","10","8","10","1") = "9"
    & skf18("1","7","8","10","9","1","1") = "9"
    & skf18("1","7","8","10","9","2","1") = "9"
    & skf18("1","7","8","10","9","3","1") = "9"
    & skf18("1","7","8","10","9","4","1") = "9"
    & skf18("1","7","8","10","9","5","1") = "9"
    & skf18("1","7","8","10","9","6","1") = "9"
    & skf18("1","7","8","10","9","7","1") = "9"
    & skf18("1","7","8","10","9","8","1") = "9"
    & skf18("1","7","8","10","9","9","1") = "9"
    & skf18("1","7","8","10","9","10","1") = "9"
    & skf18("1","7","8","10","10","1","1") = "9"
    & skf18("1","7","8","10","10","2","1") = "9"
    & skf18("1","7","8","10","10","3","1") = "9"
    & skf18("1","7","8","10","10","4","1") = "9"
    & skf18("1","7","8","10","10","5","1") = "9"
    & skf18("1","7","8","10","10","6","1") = "9"
    & skf18("1","7","8","10","10","7","1") = "9"
    & skf18("1","7","8","10","10","8","1") = "9"
    & skf18("1","7","8","10","10","9","1") = "9"
    & skf18("1","7","8","10","10","10","1") = "9"
    & skf18("1","7","9","1","1","1","1") = "8"
    & skf18("1","7","9","1","1","2","1") = "8"
    & skf18("1","7","9","1","1","3","1") = "8"
    & skf18("1","7","9","1","1","4","1") = "8"
    & skf18("1","7","9","1","1","5","1") = "8"
    & skf18("1","7","9","1","1","6","1") = "8"
    & skf18("1","7","9","1","1","7","1") = "8"
    & skf18("1","7","9","1","1","8","1") = "8"
    & skf18("1","7","9","1","1","9","1") = "8"
    & skf18("1","7","9","1","1","10","1") = "9"
    & skf18("1","7","9","1","2","1","1") = "8"
    & skf18("1","7","9","1","2","2","1") = "8"
    & skf18("1","7","9","1","2","3","1") = "8"
    & skf18("1","7","9","1","2","4","1") = "8"
    & skf18("1","7","9","1","2","5","1") = "8"
    & skf18("1","7","9","1","2","6","1") = "8"
    & skf18("1","7","9","1","2","7","1") = "8"
    & skf18("1","7","9","1","2","8","1") = "8"
    & skf18("1","7","9","1","2","9","1") = "8"
    & skf18("1","7","9","1","2","10","1") = "9"
    & skf18("1","7","9","1","3","1","1") = "8"
    & skf18("1","7","9","1","3","2","1") = "8"
    & skf18("1","7","9","1","3","3","1") = "8"
    & skf18("1","7","9","1","3","4","1") = "8"
    & skf18("1","7","9","1","3","5","1") = "8"
    & skf18("1","7","9","1","3","6","1") = "8"
    & skf18("1","7","9","1","3","7","1") = "8"
    & skf18("1","7","9","1","3","8","1") = "8"
    & skf18("1","7","9","1","3","9","1") = "8"
    & skf18("1","7","9","1","3","10","1") = "9"
    & skf18("1","7","9","1","4","1","1") = "8"
    & skf18("1","7","9","1","4","2","1") = "8"
    & skf18("1","7","9","1","4","3","1") = "8"
    & skf18("1","7","9","1","4","4","1") = "8"
    & skf18("1","7","9","1","4","5","1") = "8"
    & skf18("1","7","9","1","4","6","1") = "8"
    & skf18("1","7","9","1","4","7","1") = "8"
    & skf18("1","7","9","1","4","8","1") = "8"
    & skf18("1","7","9","1","4","9","1") = "8"
    & skf18("1","7","9","1","4","10","1") = "9"
    & skf18("1","7","9","1","5","1","1") = "8"
    & skf18("1","7","9","1","5","2","1") = "8"
    & skf18("1","7","9","1","5","3","1") = "8"
    & skf18("1","7","9","1","5","4","1") = "8"
    & skf18("1","7","9","1","5","5","1") = "8"
    & skf18("1","7","9","1","5","6","1") = "8"
    & skf18("1","7","9","1","5","7","1") = "8"
    & skf18("1","7","9","1","5","8","1") = "8"
    & skf18("1","7","9","1","5","9","1") = "8"
    & skf18("1","7","9","1","5","10","1") = "9"
    & skf18("1","7","9","1","6","1","1") = "8"
    & skf18("1","7","9","1","6","2","1") = "8"
    & skf18("1","7","9","1","6","3","1") = "8"
    & skf18("1","7","9","1","6","4","1") = "8"
    & skf18("1","7","9","1","6","5","1") = "8"
    & skf18("1","7","9","1","6","6","1") = "8"
    & skf18("1","7","9","1","6","7","1") = "8"
    & skf18("1","7","9","1","6","8","1") = "8"
    & skf18("1","7","9","1","6","9","1") = "8"
    & skf18("1","7","9","1","6","10","1") = "9"
    & skf18("1","7","9","1","7","1","1") = "8"
    & skf18("1","7","9","1","7","2","1") = "8"
    & skf18("1","7","9","1","7","3","1") = "8"
    & skf18("1","7","9","1","7","4","1") = "8"
    & skf18("1","7","9","1","7","5","1") = "8"
    & skf18("1","7","9","1","7","6","1") = "8"
    & skf18("1","7","9","1","7","7","1") = "8"
    & skf18("1","7","9","1","7","8","1") = "8"
    & skf18("1","7","9","1","7","9","1") = "8"
    & skf18("1","7","9","1","7","10","1") = "9"
    & skf18("1","7","9","1","8","1","1") = "8"
    & skf18("1","7","9","1","8","2","1") = "8"
    & skf18("1","7","9","1","8","3","1") = "8"
    & skf18("1","7","9","1","8","4","1") = "8"
    & skf18("1","7","9","1","8","5","1") = "8"
    & skf18("1","7","9","1","8","6","1") = "8"
    & skf18("1","7","9","1","8","7","1") = "8"
    & skf18("1","7","9","1","8","8","1") = "8"
    & skf18("1","7","9","1","8","9","1") = "8"
    & skf18("1","7","9","1","8","10","1") = "9"
    & skf18("1","7","9","1","9","1","1") = "8"
    & skf18("1","7","9","1","9","2","1") = "8"
    & skf18("1","7","9","1","9","3","1") = "8"
    & skf18("1","7","9","1","9","4","1") = "8"
    & skf18("1","7","9","1","9","5","1") = "8"
    & skf18("1","7","9","1","9","6","1") = "8"
    & skf18("1","7","9","1","9","7","1") = "8"
    & skf18("1","7","9","1","9","8","1") = "8"
    & skf18("1","7","9","1","9","9","1") = "8"
    & skf18("1","7","9","1","9","10","1") = "9"
    & skf18("1","7","9","1","10","1","1") = "9"
    & skf18("1","7","9","1","10","2","1") = "9"
    & skf18("1","7","9","1","10","3","1") = "9"
    & skf18("1","7","9","1","10","4","1") = "9"
    & skf18("1","7","9","1","10","5","1") = "9"
    & skf18("1","7","9","1","10","6","1") = "9"
    & skf18("1","7","9","1","10","7","1") = "9"
    & skf18("1","7","9","1","10","8","1") = "9"
    & skf18("1","7","9","1","10","9","1") = "9"
    & skf18("1","7","9","1","10","10","1") = "9"
    & skf18("1","7","9","2","1","1","1") = "8"
    & skf18("1","7","9","2","1","2","1") = "8"
    & skf18("1","7","9","2","1","3","1") = "8"
    & skf18("1","7","9","2","1","4","1") = "8"
    & skf18("1","7","9","2","1","5","1") = "8"
    & skf18("1","7","9","2","1","6","1") = "8"
    & skf18("1","7","9","2","1","7","1") = "8"
    & skf18("1","7","9","2","1","8","1") = "8"
    & skf18("1","7","9","2","1","9","1") = "8"
    & skf18("1","7","9","2","1","10","1") = "9"
    & skf18("1","7","9","2","2","1","1") = "8"
    & skf18("1","7","9","2","2","2","1") = "8"
    & skf18("1","7","9","2","2","3","1") = "8"
    & skf18("1","7","9","2","2","4","1") = "8"
    & skf18("1","7","9","2","2","5","1") = "8"
    & skf18("1","7","9","2","2","6","1") = "8"
    & skf18("1","7","9","2","2","7","1") = "8"
    & skf18("1","7","9","2","2","8","1") = "8"
    & skf18("1","7","9","2","2","9","1") = "8"
    & skf18("1","7","9","2","2","10","1") = "9"
    & skf18("1","7","9","2","3","1","1") = "8"
    & skf18("1","7","9","2","3","2","1") = "8"
    & skf18("1","7","9","2","3","3","1") = "8"
    & skf18("1","7","9","2","3","4","1") = "8"
    & skf18("1","7","9","2","3","5","1") = "8"
    & skf18("1","7","9","2","3","6","1") = "8"
    & skf18("1","7","9","2","3","7","1") = "8"
    & skf18("1","7","9","2","3","8","1") = "8"
    & skf18("1","7","9","2","3","9","1") = "8"
    & skf18("1","7","9","2","3","10","1") = "9"
    & skf18("1","7","9","2","4","1","1") = "8"
    & skf18("1","7","9","2","4","2","1") = "8"
    & skf18("1","7","9","2","4","3","1") = "8"
    & skf18("1","7","9","2","4","4","1") = "8"
    & skf18("1","7","9","2","4","5","1") = "8"
    & skf18("1","7","9","2","4","6","1") = "8"
    & skf18("1","7","9","2","4","7","1") = "8"
    & skf18("1","7","9","2","4","8","1") = "8"
    & skf18("1","7","9","2","4","9","1") = "8"
    & skf18("1","7","9","2","4","10","1") = "9"
    & skf18("1","7","9","2","5","1","1") = "8"
    & skf18("1","7","9","2","5","2","1") = "8"
    & skf18("1","7","9","2","5","3","1") = "8"
    & skf18("1","7","9","2","5","4","1") = "8"
    & skf18("1","7","9","2","5","5","1") = "8"
    & skf18("1","7","9","2","5","6","1") = "8"
    & skf18("1","7","9","2","5","7","1") = "8"
    & skf18("1","7","9","2","5","8","1") = "8"
    & skf18("1","7","9","2","5","9","1") = "8"
    & skf18("1","7","9","2","5","10","1") = "9"
    & skf18("1","7","9","2","6","1","1") = "8"
    & skf18("1","7","9","2","6","2","1") = "8"
    & skf18("1","7","9","2","6","3","1") = "8"
    & skf18("1","7","9","2","6","4","1") = "8"
    & skf18("1","7","9","2","6","5","1") = "8"
    & skf18("1","7","9","2","6","6","1") = "8"
    & skf18("1","7","9","2","6","7","1") = "8"
    & skf18("1","7","9","2","6","8","1") = "8"
    & skf18("1","7","9","2","6","9","1") = "8"
    & skf18("1","7","9","2","6","10","1") = "9"
    & skf18("1","7","9","2","7","1","1") = "8"
    & skf18("1","7","9","2","7","2","1") = "8"
    & skf18("1","7","9","2","7","3","1") = "8"
    & skf18("1","7","9","2","7","4","1") = "8"
    & skf18("1","7","9","2","7","5","1") = "8"
    & skf18("1","7","9","2","7","6","1") = "8"
    & skf18("1","7","9","2","7","7","1") = "8"
    & skf18("1","7","9","2","7","8","1") = "8"
    & skf18("1","7","9","2","7","9","1") = "8"
    & skf18("1","7","9","2","7","10","1") = "9"
    & skf18("1","7","9","2","8","1","1") = "8"
    & skf18("1","7","9","2","8","2","1") = "8"
    & skf18("1","7","9","2","8","3","1") = "8"
    & skf18("1","7","9","2","8","4","1") = "8"
    & skf18("1","7","9","2","8","5","1") = "8"
    & skf18("1","7","9","2","8","6","1") = "8"
    & skf18("1","7","9","2","8","7","1") = "8"
    & skf18("1","7","9","2","8","8","1") = "8"
    & skf18("1","7","9","2","8","9","1") = "8"
    & skf18("1","7","9","2","8","10","1") = "9"
    & skf18("1","7","9","2","9","1","1") = "8"
    & skf18("1","7","9","2","9","2","1") = "8"
    & skf18("1","7","9","2","9","3","1") = "8"
    & skf18("1","7","9","2","9","4","1") = "8"
    & skf18("1","7","9","2","9","5","1") = "8"
    & skf18("1","7","9","2","9","6","1") = "8"
    & skf18("1","7","9","2","9","7","1") = "8"
    & skf18("1","7","9","2","9","8","1") = "8"
    & skf18("1","7","9","2","9","9","1") = "8"
    & skf18("1","7","9","2","9","10","1") = "9"
    & skf18("1","7","9","2","10","1","1") = "9"
    & skf18("1","7","9","2","10","2","1") = "9"
    & skf18("1","7","9","2","10","3","1") = "9"
    & skf18("1","7","9","2","10","4","1") = "9"
    & skf18("1","7","9","2","10","5","1") = "9"
    & skf18("1","7","9","2","10","6","1") = "9"
    & skf18("1","7","9","2","10","7","1") = "9"
    & skf18("1","7","9","2","10","8","1") = "9"
    & skf18("1","7","9","2","10","9","1") = "9"
    & skf18("1","7","9","2","10","10","1") = "9"
    & skf18("1","7","9","3","1","1","1") = "8"
    & skf18("1","7","9","3","1","2","1") = "8"
    & skf18("1","7","9","3","1","3","1") = "8"
    & skf18("1","7","9","3","1","4","1") = "8"
    & skf18("1","7","9","3","1","5","1") = "8"
    & skf18("1","7","9","3","1","6","1") = "8"
    & skf18("1","7","9","3","1","7","1") = "8"
    & skf18("1","7","9","3","1","8","1") = "8"
    & skf18("1","7","9","3","1","9","1") = "8"
    & skf18("1","7","9","3","1","10","1") = "9"
    & skf18("1","7","9","3","2","1","1") = "8"
    & skf18("1","7","9","3","2","2","1") = "8"
    & skf18("1","7","9","3","2","3","1") = "8"
    & skf18("1","7","9","3","2","4","1") = "8"
    & skf18("1","7","9","3","2","5","1") = "8"
    & skf18("1","7","9","3","2","6","1") = "8"
    & skf18("1","7","9","3","2","7","1") = "8"
    & skf18("1","7","9","3","2","8","1") = "8"
    & skf18("1","7","9","3","2","9","1") = "8"
    & skf18("1","7","9","3","2","10","1") = "9"
    & skf18("1","7","9","3","3","1","1") = "8"
    & skf18("1","7","9","3","3","2","1") = "8"
    & skf18("1","7","9","3","3","3","1") = "8"
    & skf18("1","7","9","3","3","4","1") = "8"
    & skf18("1","7","9","3","3","5","1") = "8"
    & skf18("1","7","9","3","3","6","1") = "8"
    & skf18("1","7","9","3","3","7","1") = "8"
    & skf18("1","7","9","3","3","8","1") = "8"
    & skf18("1","7","9","3","3","9","1") = "8"
    & skf18("1","7","9","3","3","10","1") = "9"
    & skf18("1","7","9","3","4","1","1") = "8"
    & skf18("1","7","9","3","4","2","1") = "8"
    & skf18("1","7","9","3","4","3","1") = "8"
    & skf18("1","7","9","3","4","4","1") = "8"
    & skf18("1","7","9","3","4","5","1") = "8"
    & skf18("1","7","9","3","4","6","1") = "8"
    & skf18("1","7","9","3","4","7","1") = "8"
    & skf18("1","7","9","3","4","8","1") = "8"
    & skf18("1","7","9","3","4","9","1") = "8"
    & skf18("1","7","9","3","4","10","1") = "9"
    & skf18("1","7","9","3","5","1","1") = "8"
    & skf18("1","7","9","3","5","2","1") = "8"
    & skf18("1","7","9","3","5","3","1") = "8"
    & skf18("1","7","9","3","5","4","1") = "8"
    & skf18("1","7","9","3","5","5","1") = "8"
    & skf18("1","7","9","3","5","6","1") = "8"
    & skf18("1","7","9","3","5","7","1") = "8"
    & skf18("1","7","9","3","5","8","1") = "8"
    & skf18("1","7","9","3","5","9","1") = "8"
    & skf18("1","7","9","3","5","10","1") = "9"
    & skf18("1","7","9","3","6","1","1") = "8"
    & skf18("1","7","9","3","6","2","1") = "8"
    & skf18("1","7","9","3","6","3","1") = "8"
    & skf18("1","7","9","3","6","4","1") = "8"
    & skf18("1","7","9","3","6","5","1") = "8"
    & skf18("1","7","9","3","6","6","1") = "8"
    & skf18("1","7","9","3","6","7","1") = "8"
    & skf18("1","7","9","3","6","8","1") = "8"
    & skf18("1","7","9","3","6","9","1") = "8"
    & skf18("1","7","9","3","6","10","1") = "9"
    & skf18("1","7","9","3","7","1","1") = "8"
    & skf18("1","7","9","3","7","2","1") = "8"
    & skf18("1","7","9","3","7","3","1") = "8"
    & skf18("1","7","9","3","7","4","1") = "8"
    & skf18("1","7","9","3","7","5","1") = "8"
    & skf18("1","7","9","3","7","6","1") = "8"
    & skf18("1","7","9","3","7","7","1") = "8"
    & skf18("1","7","9","3","7","8","1") = "8"
    & skf18("1","7","9","3","7","9","1") = "8"
    & skf18("1","7","9","3","7","10","1") = "9"
    & skf18("1","7","9","3","8","1","1") = "8"
    & skf18("1","7","9","3","8","2","1") = "8"
    & skf18("1","7","9","3","8","3","1") = "8"
    & skf18("1","7","9","3","8","4","1") = "8"
    & skf18("1","7","9","3","8","5","1") = "8"
    & skf18("1","7","9","3","8","6","1") = "8"
    & skf18("1","7","9","3","8","7","1") = "8"
    & skf18("1","7","9","3","8","8","1") = "8"
    & skf18("1","7","9","3","8","9","1") = "8"
    & skf18("1","7","9","3","8","10","1") = "9"
    & skf18("1","7","9","3","9","1","1") = "8"
    & skf18("1","7","9","3","9","2","1") = "8"
    & skf18("1","7","9","3","9","3","1") = "8"
    & skf18("1","7","9","3","9","4","1") = "8"
    & skf18("1","7","9","3","9","5","1") = "8"
    & skf18("1","7","9","3","9","6","1") = "8"
    & skf18("1","7","9","3","9","7","1") = "8"
    & skf18("1","7","9","3","9","8","1") = "8"
    & skf18("1","7","9","3","9","9","1") = "8"
    & skf18("1","7","9","3","9","10","1") = "9"
    & skf18("1","7","9","3","10","1","1") = "9"
    & skf18("1","7","9","3","10","2","1") = "9"
    & skf18("1","7","9","3","10","3","1") = "9"
    & skf18("1","7","9","3","10","4","1") = "9"
    & skf18("1","7","9","3","10","5","1") = "9"
    & skf18("1","7","9","3","10","6","1") = "9"
    & skf18("1","7","9","3","10","7","1") = "9"
    & skf18("1","7","9","3","10","8","1") = "9"
    & skf18("1","7","9","3","10","9","1") = "9"
    & skf18("1","7","9","3","10","10","1") = "9"
    & skf18("1","7","9","4","1","1","1") = "8"
    & skf18("1","7","9","4","1","2","1") = "8"
    & skf18("1","7","9","4","1","3","1") = "8"
    & skf18("1","7","9","4","1","4","1") = "8"
    & skf18("1","7","9","4","1","5","1") = "8"
    & skf18("1","7","9","4","1","6","1") = "8"
    & skf18("1","7","9","4","1","7","1") = "8"
    & skf18("1","7","9","4","1","8","1") = "8"
    & skf18("1","7","9","4","1","9","1") = "8"
    & skf18("1","7","9","4","1","10","1") = "9"
    & skf18("1","7","9","4","2","1","1") = "8"
    & skf18("1","7","9","4","2","2","1") = "8"
    & skf18("1","7","9","4","2","3","1") = "8"
    & skf18("1","7","9","4","2","4","1") = "8"
    & skf18("1","7","9","4","2","5","1") = "8"
    & skf18("1","7","9","4","2","6","1") = "8"
    & skf18("1","7","9","4","2","7","1") = "8"
    & skf18("1","7","9","4","2","8","1") = "8"
    & skf18("1","7","9","4","2","9","1") = "8"
    & skf18("1","7","9","4","2","10","1") = "9"
    & skf18("1","7","9","4","3","1","1") = "8"
    & skf18("1","7","9","4","3","2","1") = "8"
    & skf18("1","7","9","4","3","3","1") = "8"
    & skf18("1","7","9","4","3","4","1") = "8"
    & skf18("1","7","9","4","3","5","1") = "8"
    & skf18("1","7","9","4","3","6","1") = "8"
    & skf18("1","7","9","4","3","7","1") = "8"
    & skf18("1","7","9","4","3","8","1") = "8"
    & skf18("1","7","9","4","3","9","1") = "8"
    & skf18("1","7","9","4","3","10","1") = "9"
    & skf18("1","7","9","4","4","1","1") = "8"
    & skf18("1","7","9","4","4","2","1") = "8"
    & skf18("1","7","9","4","4","3","1") = "8"
    & skf18("1","7","9","4","4","4","1") = "8"
    & skf18("1","7","9","4","4","5","1") = "8"
    & skf18("1","7","9","4","4","6","1") = "8"
    & skf18("1","7","9","4","4","7","1") = "8"
    & skf18("1","7","9","4","4","8","1") = "8"
    & skf18("1","7","9","4","4","9","1") = "8"
    & skf18("1","7","9","4","4","10","1") = "9"
    & skf18("1","7","9","4","5","1","1") = "8"
    & skf18("1","7","9","4","5","2","1") = "8"
    & skf18("1","7","9","4","5","3","1") = "8"
    & skf18("1","7","9","4","5","4","1") = "8"
    & skf18("1","7","9","4","5","5","1") = "8"
    & skf18("1","7","9","4","5","6","1") = "8"
    & skf18("1","7","9","4","5","7","1") = "8"
    & skf18("1","7","9","4","5","8","1") = "8"
    & skf18("1","7","9","4","5","9","1") = "8"
    & skf18("1","7","9","4","5","10","1") = "9"
    & skf18("1","7","9","4","6","1","1") = "8"
    & skf18("1","7","9","4","6","2","1") = "8"
    & skf18("1","7","9","4","6","3","1") = "8"
    & skf18("1","7","9","4","6","4","1") = "8"
    & skf18("1","7","9","4","6","5","1") = "8"
    & skf18("1","7","9","4","6","6","1") = "8"
    & skf18("1","7","9","4","6","7","1") = "8"
    & skf18("1","7","9","4","6","8","1") = "8"
    & skf18("1","7","9","4","6","9","1") = "8"
    & skf18("1","7","9","4","6","10","1") = "9"
    & skf18("1","7","9","4","7","1","1") = "8"
    & skf18("1","7","9","4","7","2","1") = "8"
    & skf18("1","7","9","4","7","3","1") = "8"
    & skf18("1","7","9","4","7","4","1") = "8"
    & skf18("1","7","9","4","7","5","1") = "8"
    & skf18("1","7","9","4","7","6","1") = "8"
    & skf18("1","7","9","4","7","7","1") = "8"
    & skf18("1","7","9","4","7","8","1") = "8"
    & skf18("1","7","9","4","7","9","1") = "8"
    & skf18("1","7","9","4","7","10","1") = "9"
    & skf18("1","7","9","4","8","1","1") = "8"
    & skf18("1","7","9","4","8","2","1") = "8"
    & skf18("1","7","9","4","8","3","1") = "8"
    & skf18("1","7","9","4","8","4","1") = "8"
    & skf18("1","7","9","4","8","5","1") = "8"
    & skf18("1","7","9","4","8","6","1") = "8"
    & skf18("1","7","9","4","8","7","1") = "8"
    & skf18("1","7","9","4","8","8","1") = "8"
    & skf18("1","7","9","4","8","9","1") = "8"
    & skf18("1","7","9","4","8","10","1") = "9"
    & skf18("1","7","9","4","9","1","1") = "8"
    & skf18("1","7","9","4","9","2","1") = "8"
    & skf18("1","7","9","4","9","3","1") = "8"
    & skf18("1","7","9","4","9","4","1") = "8"
    & skf18("1","7","9","4","9","5","1") = "8"
    & skf18("1","7","9","4","9","6","1") = "8"
    & skf18("1","7","9","4","9","7","1") = "8"
    & skf18("1","7","9","4","9","8","1") = "8"
    & skf18("1","7","9","4","9","9","1") = "8"
    & skf18("1","7","9","4","9","10","1") = "9"
    & skf18("1","7","9","4","10","1","1") = "9"
    & skf18("1","7","9","4","10","2","1") = "9"
    & skf18("1","7","9","4","10","3","1") = "9"
    & skf18("1","7","9","4","10","4","1") = "9"
    & skf18("1","7","9","4","10","5","1") = "9"
    & skf18("1","7","9","4","10","6","1") = "9"
    & skf18("1","7","9","4","10","7","1") = "9"
    & skf18("1","7","9","4","10","8","1") = "9"
    & skf18("1","7","9","4","10","9","1") = "9"
    & skf18("1","7","9","4","10","10","1") = "9"
    & skf18("1","7","9","5","1","1","1") = "8"
    & skf18("1","7","9","5","1","2","1") = "8"
    & skf18("1","7","9","5","1","3","1") = "8"
    & skf18("1","7","9","5","1","4","1") = "8"
    & skf18("1","7","9","5","1","5","1") = "8"
    & skf18("1","7","9","5","1","6","1") = "8"
    & skf18("1","7","9","5","1","7","1") = "8"
    & skf18("1","7","9","5","1","8","1") = "8"
    & skf18("1","7","9","5","1","9","1") = "8"
    & skf18("1","7","9","5","1","10","1") = "9"
    & skf18("1","7","9","5","2","1","1") = "8"
    & skf18("1","7","9","5","2","2","1") = "8"
    & skf18("1","7","9","5","2","3","1") = "8"
    & skf18("1","7","9","5","2","4","1") = "8"
    & skf18("1","7","9","5","2","5","1") = "8"
    & skf18("1","7","9","5","2","6","1") = "8"
    & skf18("1","7","9","5","2","7","1") = "8"
    & skf18("1","7","9","5","2","8","1") = "8"
    & skf18("1","7","9","5","2","9","1") = "8"
    & skf18("1","7","9","5","2","10","1") = "9"
    & skf18("1","7","9","5","3","1","1") = "8"
    & skf18("1","7","9","5","3","2","1") = "8"
    & skf18("1","7","9","5","3","3","1") = "8"
    & skf18("1","7","9","5","3","4","1") = "8"
    & skf18("1","7","9","5","3","5","1") = "8"
    & skf18("1","7","9","5","3","6","1") = "8"
    & skf18("1","7","9","5","3","7","1") = "8"
    & skf18("1","7","9","5","3","8","1") = "8"
    & skf18("1","7","9","5","3","9","1") = "8"
    & skf18("1","7","9","5","3","10","1") = "9"
    & skf18("1","7","9","5","4","1","1") = "8"
    & skf18("1","7","9","5","4","2","1") = "8"
    & skf18("1","7","9","5","4","3","1") = "8"
    & skf18("1","7","9","5","4","4","1") = "8"
    & skf18("1","7","9","5","4","5","1") = "8"
    & skf18("1","7","9","5","4","6","1") = "8"
    & skf18("1","7","9","5","4","7","1") = "8"
    & skf18("1","7","9","5","4","8","1") = "8"
    & skf18("1","7","9","5","4","9","1") = "8"
    & skf18("1","7","9","5","4","10","1") = "9"
    & skf18("1","7","9","5","5","1","1") = "8"
    & skf18("1","7","9","5","5","2","1") = "8"
    & skf18("1","7","9","5","5","3","1") = "8"
    & skf18("1","7","9","5","5","4","1") = "8"
    & skf18("1","7","9","5","5","5","1") = "8"
    & skf18("1","7","9","5","5","6","1") = "8"
    & skf18("1","7","9","5","5","7","1") = "8"
    & skf18("1","7","9","5","5","8","1") = "8"
    & skf18("1","7","9","5","5","9","1") = "8"
    & skf18("1","7","9","5","5","10","1") = "9"
    & skf18("1","7","9","5","6","1","1") = "8"
    & skf18("1","7","9","5","6","2","1") = "8"
    & skf18("1","7","9","5","6","3","1") = "8"
    & skf18("1","7","9","5","6","4","1") = "8"
    & skf18("1","7","9","5","6","5","1") = "8"
    & skf18("1","7","9","5","6","6","1") = "8"
    & skf18("1","7","9","5","6","7","1") = "8"
    & skf18("1","7","9","5","6","8","1") = "8"
    & skf18("1","7","9","5","6","9","1") = "8"
    & skf18("1","7","9","5","6","10","1") = "9"
    & skf18("1","7","9","5","7","1","1") = "8"
    & skf18("1","7","9","5","7","2","1") = "8"
    & skf18("1","7","9","5","7","3","1") = "8"
    & skf18("1","7","9","5","7","4","1") = "8"
    & skf18("1","7","9","5","7","5","1") = "8"
    & skf18("1","7","9","5","7","6","1") = "8"
    & skf18("1","7","9","5","7","7","1") = "8"
    & skf18("1","7","9","5","7","8","1") = "8"
    & skf18("1","7","9","5","7","9","1") = "8"
    & skf18("1","7","9","5","7","10","1") = "9"
    & skf18("1","7","9","5","8","1","1") = "8"
    & skf18("1","7","9","5","8","2","1") = "8"
    & skf18("1","7","9","5","8","3","1") = "8"
    & skf18("1","7","9","5","8","4","1") = "8"
    & skf18("1","7","9","5","8","5","1") = "8"
    & skf18("1","7","9","5","8","6","1") = "8"
    & skf18("1","7","9","5","8","7","1") = "8"
    & skf18("1","7","9","5","8","8","1") = "8"
    & skf18("1","7","9","5","8","9","1") = "8"
    & skf18("1","7","9","5","8","10","1") = "9"
    & skf18("1","7","9","5","9","1","1") = "8"
    & skf18("1","7","9","5","9","2","1") = "8"
    & skf18("1","7","9","5","9","3","1") = "8"
    & skf18("1","7","9","5","9","4","1") = "8"
    & skf18("1","7","9","5","9","5","1") = "8"
    & skf18("1","7","9","5","9","6","1") = "8"
    & skf18("1","7","9","5","9","7","1") = "8"
    & skf18("1","7","9","5","9","8","1") = "8"
    & skf18("1","7","9","5","9","9","1") = "8"
    & skf18("1","7","9","5","9","10","1") = "9"
    & skf18("1","7","9","5","10","1","1") = "9"
    & skf18("1","7","9","5","10","2","1") = "9"
    & skf18("1","7","9","5","10","3","1") = "9"
    & skf18("1","7","9","5","10","4","1") = "9"
    & skf18("1","7","9","5","10","5","1") = "9"
    & skf18("1","7","9","5","10","6","1") = "9"
    & skf18("1","7","9","5","10","7","1") = "9"
    & skf18("1","7","9","5","10","8","1") = "9"
    & skf18("1","7","9","5","10","9","1") = "9"
    & skf18("1","7","9","5","10","10","1") = "9"
    & skf18("1","7","9","6","1","1","1") = "8"
    & skf18("1","7","9","6","1","2","1") = "8"
    & skf18("1","7","9","6","1","3","1") = "8"
    & skf18("1","7","9","6","1","4","1") = "8"
    & skf18("1","7","9","6","1","5","1") = "8"
    & skf18("1","7","9","6","1","6","1") = "8"
    & skf18("1","7","9","6","1","7","1") = "8"
    & skf18("1","7","9","6","1","8","1") = "8"
    & skf18("1","7","9","6","1","9","1") = "8"
    & skf18("1","7","9","6","1","10","1") = "9"
    & skf18("1","7","9","6","2","1","1") = "8"
    & skf18("1","7","9","6","2","2","1") = "8"
    & skf18("1","7","9","6","2","3","1") = "8"
    & skf18("1","7","9","6","2","4","1") = "8"
    & skf18("1","7","9","6","2","5","1") = "8"
    & skf18("1","7","9","6","2","6","1") = "8"
    & skf18("1","7","9","6","2","7","1") = "8"
    & skf18("1","7","9","6","2","8","1") = "8"
    & skf18("1","7","9","6","2","9","1") = "8"
    & skf18("1","7","9","6","2","10","1") = "9"
    & skf18("1","7","9","6","3","1","1") = "8"
    & skf18("1","7","9","6","3","2","1") = "8"
    & skf18("1","7","9","6","3","3","1") = "8"
    & skf18("1","7","9","6","3","4","1") = "8"
    & skf18("1","7","9","6","3","5","1") = "8"
    & skf18("1","7","9","6","3","6","1") = "8"
    & skf18("1","7","9","6","3","7","1") = "8"
    & skf18("1","7","9","6","3","8","1") = "8"
    & skf18("1","7","9","6","3","9","1") = "8"
    & skf18("1","7","9","6","3","10","1") = "9"
    & skf18("1","7","9","6","4","1","1") = "8"
    & skf18("1","7","9","6","4","2","1") = "8"
    & skf18("1","7","9","6","4","3","1") = "8"
    & skf18("1","7","9","6","4","4","1") = "8"
    & skf18("1","7","9","6","4","5","1") = "8"
    & skf18("1","7","9","6","4","6","1") = "8"
    & skf18("1","7","9","6","4","7","1") = "8"
    & skf18("1","7","9","6","4","8","1") = "8"
    & skf18("1","7","9","6","4","9","1") = "8"
    & skf18("1","7","9","6","4","10","1") = "9"
    & skf18("1","7","9","6","5","1","1") = "8"
    & skf18("1","7","9","6","5","2","1") = "8"
    & skf18("1","7","9","6","5","3","1") = "8"
    & skf18("1","7","9","6","5","4","1") = "8"
    & skf18("1","7","9","6","5","5","1") = "8"
    & skf18("1","7","9","6","5","6","1") = "8"
    & skf18("1","7","9","6","5","7","1") = "8"
    & skf18("1","7","9","6","5","8","1") = "8"
    & skf18("1","7","9","6","5","9","1") = "8"
    & skf18("1","7","9","6","5","10","1") = "9"
    & skf18("1","7","9","6","6","1","1") = "8"
    & skf18("1","7","9","6","6","2","1") = "8"
    & skf18("1","7","9","6","6","3","1") = "8"
    & skf18("1","7","9","6","6","4","1") = "8"
    & skf18("1","7","9","6","6","5","1") = "8"
    & skf18("1","7","9","6","6","6","1") = "8"
    & skf18("1","7","9","6","6","7","1") = "8"
    & skf18("1","7","9","6","6","8","1") = "8"
    & skf18("1","7","9","6","6","9","1") = "8"
    & skf18("1","7","9","6","6","10","1") = "9"
    & skf18("1","7","9","6","7","1","1") = "8"
    & skf18("1","7","9","6","7","2","1") = "8"
    & skf18("1","7","9","6","7","3","1") = "8"
    & skf18("1","7","9","6","7","4","1") = "8"
    & skf18("1","7","9","6","7","5","1") = "8"
    & skf18("1","7","9","6","7","6","1") = "8"
    & skf18("1","7","9","6","7","7","1") = "8"
    & skf18("1","7","9","6","7","8","1") = "8"
    & skf18("1","7","9","6","7","9","1") = "8"
    & skf18("1","7","9","6","7","10","1") = "9"
    & skf18("1","7","9","6","8","1","1") = "8"
    & skf18("1","7","9","6","8","2","1") = "8"
    & skf18("1","7","9","6","8","3","1") = "8"
    & skf18("1","7","9","6","8","4","1") = "8"
    & skf18("1","7","9","6","8","5","1") = "8"
    & skf18("1","7","9","6","8","6","1") = "8"
    & skf18("1","7","9","6","8","7","1") = "8"
    & skf18("1","7","9","6","8","8","1") = "8"
    & skf18("1","7","9","6","8","9","1") = "8"
    & skf18("1","7","9","6","8","10","1") = "9"
    & skf18("1","7","9","6","9","1","1") = "8"
    & skf18("1","7","9","6","9","2","1") = "8"
    & skf18("1","7","9","6","9","3","1") = "8"
    & skf18("1","7","9","6","9","4","1") = "8"
    & skf18("1","7","9","6","9","5","1") = "8"
    & skf18("1","7","9","6","9","6","1") = "8"
    & skf18("1","7","9","6","9","7","1") = "8"
    & skf18("1","7","9","6","9","8","1") = "8"
    & skf18("1","7","9","6","9","9","1") = "8"
    & skf18("1","7","9","6","9","10","1") = "9"
    & skf18("1","7","9","6","10","1","1") = "9"
    & skf18("1","7","9","6","10","2","1") = "9"
    & skf18("1","7","9","6","10","3","1") = "9"
    & skf18("1","7","9","6","10","4","1") = "9"
    & skf18("1","7","9","6","10","5","1") = "9"
    & skf18("1","7","9","6","10","6","1") = "9"
    & skf18("1","7","9","6","10","7","1") = "9"
    & skf18("1","7","9","6","10","8","1") = "9"
    & skf18("1","7","9","6","10","9","1") = "9"
    & skf18("1","7","9","6","10","10","1") = "9"
    & skf18("1","7","9","7","1","1","1") = "8"
    & skf18("1","7","9","7","1","2","1") = "8"
    & skf18("1","7","9","7","1","3","1") = "8"
    & skf18("1","7","9","7","1","4","1") = "8"
    & skf18("1","7","9","7","1","5","1") = "8"
    & skf18("1","7","9","7","1","6","1") = "8"
    & skf18("1","7","9","7","1","7","1") = "8"
    & skf18("1","7","9","7","1","8","1") = "8"
    & skf18("1","7","9","7","1","9","1") = "8"
    & skf18("1","7","9","7","1","10","1") = "9"
    & skf18("1","7","9","7","2","1","1") = "8"
    & skf18("1","7","9","7","2","2","1") = "8"
    & skf18("1","7","9","7","2","3","1") = "8"
    & skf18("1","7","9","7","2","4","1") = "8"
    & skf18("1","7","9","7","2","5","1") = "8"
    & skf18("1","7","9","7","2","6","1") = "8"
    & skf18("1","7","9","7","2","7","1") = "8"
    & skf18("1","7","9","7","2","8","1") = "8"
    & skf18("1","7","9","7","2","9","1") = "8"
    & skf18("1","7","9","7","2","10","1") = "9"
    & skf18("1","7","9","7","3","1","1") = "8"
    & skf18("1","7","9","7","3","2","1") = "8"
    & skf18("1","7","9","7","3","3","1") = "8"
    & skf18("1","7","9","7","3","4","1") = "8"
    & skf18("1","7","9","7","3","5","1") = "8"
    & skf18("1","7","9","7","3","6","1") = "8"
    & skf18("1","7","9","7","3","7","1") = "8"
    & skf18("1","7","9","7","3","8","1") = "8"
    & skf18("1","7","9","7","3","9","1") = "8"
    & skf18("1","7","9","7","3","10","1") = "9"
    & skf18("1","7","9","7","4","1","1") = "8"
    & skf18("1","7","9","7","4","2","1") = "8"
    & skf18("1","7","9","7","4","3","1") = "8"
    & skf18("1","7","9","7","4","4","1") = "8"
    & skf18("1","7","9","7","4","5","1") = "8"
    & skf18("1","7","9","7","4","6","1") = "8"
    & skf18("1","7","9","7","4","7","1") = "8"
    & skf18("1","7","9","7","4","8","1") = "8"
    & skf18("1","7","9","7","4","9","1") = "8"
    & skf18("1","7","9","7","4","10","1") = "9"
    & skf18("1","7","9","7","5","1","1") = "8"
    & skf18("1","7","9","7","5","2","1") = "8"
    & skf18("1","7","9","7","5","3","1") = "8"
    & skf18("1","7","9","7","5","4","1") = "8"
    & skf18("1","7","9","7","5","5","1") = "8"
    & skf18("1","7","9","7","5","6","1") = "8"
    & skf18("1","7","9","7","5","7","1") = "8"
    & skf18("1","7","9","7","5","8","1") = "8"
    & skf18("1","7","9","7","5","9","1") = "8"
    & skf18("1","7","9","7","5","10","1") = "9"
    & skf18("1","7","9","7","6","1","1") = "8"
    & skf18("1","7","9","7","6","2","1") = "8"
    & skf18("1","7","9","7","6","3","1") = "8"
    & skf18("1","7","9","7","6","4","1") = "8"
    & skf18("1","7","9","7","6","5","1") = "8"
    & skf18("1","7","9","7","6","6","1") = "8"
    & skf18("1","7","9","7","6","7","1") = "8"
    & skf18("1","7","9","7","6","8","1") = "8"
    & skf18("1","7","9","7","6","9","1") = "8"
    & skf18("1","7","9","7","6","10","1") = "9"
    & skf18("1","7","9","7","7","1","1") = "8"
    & skf18("1","7","9","7","7","2","1") = "8"
    & skf18("1","7","9","7","7","3","1") = "8"
    & skf18("1","7","9","7","7","4","1") = "8"
    & skf18("1","7","9","7","7","5","1") = "8"
    & skf18("1","7","9","7","7","6","1") = "8"
    & skf18("1","7","9","7","7","7","1") = "8"
    & skf18("1","7","9","7","7","8","1") = "8"
    & skf18("1","7","9","7","7","9","1") = "8"
    & skf18("1","7","9","7","7","10","1") = "9"
    & skf18("1","7","9","7","8","1","1") = "8"
    & skf18("1","7","9","7","8","2","1") = "8"
    & skf18("1","7","9","7","8","3","1") = "8"
    & skf18("1","7","9","7","8","4","1") = "8"
    & skf18("1","7","9","7","8","5","1") = "8"
    & skf18("1","7","9","7","8","6","1") = "8"
    & skf18("1","7","9","7","8","7","1") = "8"
    & skf18("1","7","9","7","8","8","1") = "8"
    & skf18("1","7","9","7","8","9","1") = "8"
    & skf18("1","7","9","7","8","10","1") = "9"
    & skf18("1","7","9","7","9","1","1") = "8"
    & skf18("1","7","9","7","9","2","1") = "8"
    & skf18("1","7","9","7","9","3","1") = "8"
    & skf18("1","7","9","7","9","4","1") = "8"
    & skf18("1","7","9","7","9","5","1") = "8"
    & skf18("1","7","9","7","9","6","1") = "8"
    & skf18("1","7","9","7","9","7","1") = "8"
    & skf18("1","7","9","7","9","8","1") = "8"
    & skf18("1","7","9","7","9","9","1") = "8"
    & skf18("1","7","9","7","9","10","1") = "9"
    & skf18("1","7","9","7","10","1","1") = "9"
    & skf18("1","7","9","7","10","2","1") = "9"
    & skf18("1","7","9","7","10","3","1") = "9"
    & skf18("1","7","9","7","10","4","1") = "9"
    & skf18("1","7","9","7","10","5","1") = "9"
    & skf18("1","7","9","7","10","6","1") = "9"
    & skf18("1","7","9","7","10","7","1") = "9"
    & skf18("1","7","9","7","10","8","1") = "9"
    & skf18("1","7","9","7","10","9","1") = "9"
    & skf18("1","7","9","7","10","10","1") = "9"
    & skf18("1","7","9","8","1","1","1") = "8"
    & skf18("1","7","9","8","1","2","1") = "8"
    & skf18("1","7","9","8","1","3","1") = "8"
    & skf18("1","7","9","8","1","4","1") = "8"
    & skf18("1","7","9","8","1","5","1") = "8"
    & skf18("1","7","9","8","1","6","1") = "8"
    & skf18("1","7","9","8","1","7","1") = "8"
    & skf18("1","7","9","8","1","8","1") = "8"
    & skf18("1","7","9","8","1","9","1") = "8"
    & skf18("1","7","9","8","1","10","1") = "9"
    & skf18("1","7","9","8","2","1","1") = "8"
    & skf18("1","7","9","8","2","2","1") = "8"
    & skf18("1","7","9","8","2","3","1") = "8"
    & skf18("1","7","9","8","2","4","1") = "8"
    & skf18("1","7","9","8","2","5","1") = "8"
    & skf18("1","7","9","8","2","6","1") = "8"
    & skf18("1","7","9","8","2","7","1") = "8"
    & skf18("1","7","9","8","2","8","1") = "8"
    & skf18("1","7","9","8","2","9","1") = "8"
    & skf18("1","7","9","8","2","10","1") = "9"
    & skf18("1","7","9","8","3","1","1") = "8"
    & skf18("1","7","9","8","3","2","1") = "8"
    & skf18("1","7","9","8","3","3","1") = "8"
    & skf18("1","7","9","8","3","4","1") = "8"
    & skf18("1","7","9","8","3","5","1") = "8"
    & skf18("1","7","9","8","3","6","1") = "8"
    & skf18("1","7","9","8","3","7","1") = "8"
    & skf18("1","7","9","8","3","8","1") = "8"
    & skf18("1","7","9","8","3","9","1") = "8"
    & skf18("1","7","9","8","3","10","1") = "9"
    & skf18("1","7","9","8","4","1","1") = "8"
    & skf18("1","7","9","8","4","2","1") = "8"
    & skf18("1","7","9","8","4","3","1") = "8"
    & skf18("1","7","9","8","4","4","1") = "8"
    & skf18("1","7","9","8","4","5","1") = "8"
    & skf18("1","7","9","8","4","6","1") = "8"
    & skf18("1","7","9","8","4","7","1") = "8"
    & skf18("1","7","9","8","4","8","1") = "8"
    & skf18("1","7","9","8","4","9","1") = "8"
    & skf18("1","7","9","8","4","10","1") = "9"
    & skf18("1","7","9","8","5","1","1") = "8"
    & skf18("1","7","9","8","5","2","1") = "8"
    & skf18("1","7","9","8","5","3","1") = "8"
    & skf18("1","7","9","8","5","4","1") = "8"
    & skf18("1","7","9","8","5","5","1") = "8"
    & skf18("1","7","9","8","5","6","1") = "8"
    & skf18("1","7","9","8","5","7","1") = "8"
    & skf18("1","7","9","8","5","8","1") = "8"
    & skf18("1","7","9","8","5","9","1") = "8"
    & skf18("1","7","9","8","5","10","1") = "9"
    & skf18("1","7","9","8","6","1","1") = "8"
    & skf18("1","7","9","8","6","2","1") = "8"
    & skf18("1","7","9","8","6","3","1") = "8"
    & skf18("1","7","9","8","6","4","1") = "8"
    & skf18("1","7","9","8","6","5","1") = "8"
    & skf18("1","7","9","8","6","6","1") = "8"
    & skf18("1","7","9","8","6","7","1") = "8"
    & skf18("1","7","9","8","6","8","1") = "8"
    & skf18("1","7","9","8","6","9","1") = "8"
    & skf18("1","7","9","8","6","10","1") = "9"
    & skf18("1","7","9","8","7","1","1") = "8"
    & skf18("1","7","9","8","7","2","1") = "8"
    & skf18("1","7","9","8","7","3","1") = "8"
    & skf18("1","7","9","8","7","4","1") = "8"
    & skf18("1","7","9","8","7","5","1") = "8"
    & skf18("1","7","9","8","7","6","1") = "8"
    & skf18("1","7","9","8","7","7","1") = "8"
    & skf18("1","7","9","8","7","8","1") = "8"
    & skf18("1","7","9","8","7","9","1") = "8"
    & skf18("1","7","9","8","7","10","1") = "9"
    & skf18("1","7","9","8","8","1","1") = "8"
    & skf18("1","7","9","8","8","2","1") = "8"
    & skf18("1","7","9","8","8","3","1") = "8"
    & skf18("1","7","9","8","8","4","1") = "8"
    & skf18("1","7","9","8","8","5","1") = "8"
    & skf18("1","7","9","8","8","6","1") = "8"
    & skf18("1","7","9","8","8","7","1") = "8"
    & skf18("1","7","9","8","8","8","1") = "8"
    & skf18("1","7","9","8","8","9","1") = "8"
    & skf18("1","7","9","8","8","10","1") = "9"
    & skf18("1","7","9","8","9","1","1") = "8"
    & skf18("1","7","9","8","9","2","1") = "8"
    & skf18("1","7","9","8","9","3","1") = "8"
    & skf18("1","7","9","8","9","4","1") = "8"
    & skf18("1","7","9","8","9","5","1") = "8"
    & skf18("1","7","9","8","9","6","1") = "8"
    & skf18("1","7","9","8","9","7","1") = "8"
    & skf18("1","7","9","8","9","8","1") = "8"
    & skf18("1","7","9","8","9","9","1") = "8"
    & skf18("1","7","9","8","9","10","1") = "9"
    & skf18("1","7","9","8","10","1","1") = "9"
    & skf18("1","7","9","8","10","2","1") = "9"
    & skf18("1","7","9","8","10","3","1") = "9"
    & skf18("1","7","9","8","10","4","1") = "9"
    & skf18("1","7","9","8","10","5","1") = "9"
    & skf18("1","7","9","8","10","6","1") = "9"
    & skf18("1","7","9","8","10","7","1") = "9"
    & skf18("1","7","9","8","10","8","1") = "9"
    & skf18("1","7","9","8","10","9","1") = "9"
    & skf18("1","7","9","8","10","10","1") = "9"
    & skf18("1","7","9","9","1","1","1") = "8"
    & skf18("1","7","9","9","1","2","1") = "8"
    & skf18("1","7","9","9","1","3","1") = "8"
    & skf18("1","7","9","9","1","4","1") = "8"
    & skf18("1","7","9","9","1","5","1") = "8"
    & skf18("1","7","9","9","1","6","1") = "8"
    & skf18("1","7","9","9","1","7","1") = "8"
    & skf18("1","7","9","9","1","8","1") = "8"
    & skf18("1","7","9","9","1","9","1") = "8"
    & skf18("1","7","9","9","1","10","1") = "9"
    & skf18("1","7","9","9","2","1","1") = "8"
    & skf18("1","7","9","9","2","2","1") = "8"
    & skf18("1","7","9","9","2","3","1") = "8"
    & skf18("1","7","9","9","2","4","1") = "8"
    & skf18("1","7","9","9","2","5","1") = "8"
    & skf18("1","7","9","9","2","6","1") = "8"
    & skf18("1","7","9","9","2","7","1") = "8"
    & skf18("1","7","9","9","2","8","1") = "8"
    & skf18("1","7","9","9","2","9","1") = "8"
    & skf18("1","7","9","9","2","10","1") = "9"
    & skf18("1","7","9","9","3","1","1") = "8"
    & skf18("1","7","9","9","3","2","1") = "8"
    & skf18("1","7","9","9","3","3","1") = "8"
    & skf18("1","7","9","9","3","4","1") = "8"
    & skf18("1","7","9","9","3","5","1") = "8"
    & skf18("1","7","9","9","3","6","1") = "8"
    & skf18("1","7","9","9","3","7","1") = "8"
    & skf18("1","7","9","9","3","8","1") = "8"
    & skf18("1","7","9","9","3","9","1") = "8"
    & skf18("1","7","9","9","3","10","1") = "9"
    & skf18("1","7","9","9","4","1","1") = "8"
    & skf18("1","7","9","9","4","2","1") = "8"
    & skf18("1","7","9","9","4","3","1") = "8"
    & skf18("1","7","9","9","4","4","1") = "8"
    & skf18("1","7","9","9","4","5","1") = "8"
    & skf18("1","7","9","9","4","6","1") = "8"
    & skf18("1","7","9","9","4","7","1") = "8"
    & skf18("1","7","9","9","4","8","1") = "8"
    & skf18("1","7","9","9","4","9","1") = "8"
    & skf18("1","7","9","9","4","10","1") = "9"
    & skf18("1","7","9","9","5","1","1") = "8"
    & skf18("1","7","9","9","5","2","1") = "8"
    & skf18("1","7","9","9","5","3","1") = "8"
    & skf18("1","7","9","9","5","4","1") = "8"
    & skf18("1","7","9","9","5","5","1") = "8"
    & skf18("1","7","9","9","5","6","1") = "8"
    & skf18("1","7","9","9","5","7","1") = "8"
    & skf18("1","7","9","9","5","8","1") = "8"
    & skf18("1","7","9","9","5","9","1") = "8"
    & skf18("1","7","9","9","5","10","1") = "9"
    & skf18("1","7","9","9","6","1","1") = "8"
    & skf18("1","7","9","9","6","2","1") = "8"
    & skf18("1","7","9","9","6","3","1") = "8"
    & skf18("1","7","9","9","6","4","1") = "8"
    & skf18("1","7","9","9","6","5","1") = "8"
    & skf18("1","7","9","9","6","6","1") = "8"
    & skf18("1","7","9","9","6","7","1") = "8"
    & skf18("1","7","9","9","6","8","1") = "8"
    & skf18("1","7","9","9","6","9","1") = "8"
    & skf18("1","7","9","9","6","10","1") = "9"
    & skf18("1","7","9","9","7","1","1") = "8"
    & skf18("1","7","9","9","7","2","1") = "8"
    & skf18("1","7","9","9","7","3","1") = "8"
    & skf18("1","7","9","9","7","4","1") = "8"
    & skf18("1","7","9","9","7","5","1") = "8"
    & skf18("1","7","9","9","7","6","1") = "8"
    & skf18("1","7","9","9","7","7","1") = "8"
    & skf18("1","7","9","9","7","8","1") = "8"
    & skf18("1","7","9","9","7","9","1") = "8"
    & skf18("1","7","9","9","7","10","1") = "9"
    & skf18("1","7","9","9","8","1","1") = "8"
    & skf18("1","7","9","9","8","2","1") = "8"
    & skf18("1","7","9","9","8","3","1") = "8"
    & skf18("1","7","9","9","8","4","1") = "8"
    & skf18("1","7","9","9","8","5","1") = "8"
    & skf18("1","7","9","9","8","6","1") = "8"
    & skf18("1","7","9","9","8","7","1") = "8"
    & skf18("1","7","9","9","8","8","1") = "8"
    & skf18("1","7","9","9","8","9","1") = "8"
    & skf18("1","7","9","9","8","10","1") = "9"
    & skf18("1","7","9","9","9","1","1") = "8"
    & skf18("1","7","9","9","9","2","1") = "8"
    & skf18("1","7","9","9","9","3","1") = "8"
    & skf18("1","7","9","9","9","4","1") = "8"
    & skf18("1","7","9","9","9","5","1") = "8"
    & skf18("1","7","9","9","9","6","1") = "8"
    & skf18("1","7","9","9","9","7","1") = "8"
    & skf18("1","7","9","9","9","8","1") = "8"
    & skf18("1","7","9","9","9","9","1") = "8"
    & skf18("1","7","9","9","9","10","1") = "9"
    & skf18("1","7","9","9","10","1","1") = "9"
    & skf18("1","7","9","9","10","2","1") = "9"
    & skf18("1","7","9","9","10","3","1") = "9"
    & skf18("1","7","9","9","10","4","1") = "9"
    & skf18("1","7","9","9","10","5","1") = "9"
    & skf18("1","7","9","9","10","6","1") = "9"
    & skf18("1","7","9","9","10","7","1") = "9"
    & skf18("1","7","9","9","10","8","1") = "9"
    & skf18("1","7","9","9","10","9","1") = "9"
    & skf18("1","7","9","9","10","10","1") = "9"
    & skf18("1","7","9","10","1","1","1") = "9"
    & skf18("1","7","9","10","1","2","1") = "9"
    & skf18("1","7","9","10","1","3","1") = "9"
    & skf18("1","7","9","10","1","4","1") = "9"
    & skf18("1","7","9","10","1","5","1") = "9"
    & skf18("1","7","9","10","1","6","1") = "9"
    & skf18("1","7","9","10","1","7","1") = "9"
    & skf18("1","7","9","10","1","8","1") = "9"
    & skf18("1","7","9","10","1","9","1") = "9"
    & skf18("1","7","9","10","1","10","1") = "9"
    & skf18("1","7","9","10","2","1","1") = "9"
    & skf18("1","7","9","10","2","2","1") = "9"
    & skf18("1","7","9","10","2","3","1") = "9"
    & skf18("1","7","9","10","2","4","1") = "9"
    & skf18("1","7","9","10","2","5","1") = "9"
    & skf18("1","7","9","10","2","6","1") = "9"
    & skf18("1","7","9","10","2","7","1") = "9"
    & skf18("1","7","9","10","2","8","1") = "9"
    & skf18("1","7","9","10","2","9","1") = "9"
    & skf18("1","7","9","10","2","10","1") = "9"
    & skf18("1","7","9","10","3","1","1") = "9"
    & skf18("1","7","9","10","3","2","1") = "9"
    & skf18("1","7","9","10","3","3","1") = "9"
    & skf18("1","7","9","10","3","4","1") = "9"
    & skf18("1","7","9","10","3","5","1") = "9"
    & skf18("1","7","9","10","3","6","1") = "9"
    & skf18("1","7","9","10","3","7","1") = "9"
    & skf18("1","7","9","10","3","8","1") = "9"
    & skf18("1","7","9","10","3","9","1") = "9"
    & skf18("1","7","9","10","3","10","1") = "9"
    & skf18("1","7","9","10","4","1","1") = "9"
    & skf18("1","7","9","10","4","2","1") = "9"
    & skf18("1","7","9","10","4","3","1") = "9"
    & skf18("1","7","9","10","4","4","1") = "9"
    & skf18("1","7","9","10","4","5","1") = "9"
    & skf18("1","7","9","10","4","6","1") = "9"
    & skf18("1","7","9","10","4","7","1") = "9"
    & skf18("1","7","9","10","4","8","1") = "9"
    & skf18("1","7","9","10","4","9","1") = "9"
    & skf18("1","7","9","10","4","10","1") = "9"
    & skf18("1","7","9","10","5","1","1") = "9"
    & skf18("1","7","9","10","5","2","1") = "9"
    & skf18("1","7","9","10","5","3","1") = "9"
    & skf18("1","7","9","10","5","4","1") = "9"
    & skf18("1","7","9","10","5","5","1") = "9"
    & skf18("1","7","9","10","5","6","1") = "9"
    & skf18("1","7","9","10","5","7","1") = "9"
    & skf18("1","7","9","10","5","8","1") = "9"
    & skf18("1","7","9","10","5","9","1") = "9"
    & skf18("1","7","9","10","5","10","1") = "9"
    & skf18("1","7","9","10","6","1","1") = "9"
    & skf18("1","7","9","10","6","2","1") = "9"
    & skf18("1","7","9","10","6","3","1") = "9"
    & skf18("1","7","9","10","6","4","1") = "9"
    & skf18("1","7","9","10","6","5","1") = "9"
    & skf18("1","7","9","10","6","6","1") = "9"
    & skf18("1","7","9","10","6","7","1") = "9"
    & skf18("1","7","9","10","6","8","1") = "9"
    & skf18("1","7","9","10","6","9","1") = "9"
    & skf18("1","7","9","10","6","10","1") = "9"
    & skf18("1","7","9","10","7","1","1") = "9"
    & skf18("1","7","9","10","7","2","1") = "9"
    & skf18("1","7","9","10","7","3","1") = "9"
    & skf18("1","7","9","10","7","4","1") = "9"
    & skf18("1","7","9","10","7","5","1") = "9"
    & skf18("1","7","9","10","7","6","1") = "9"
    & skf18("1","7","9","10","7","7","1") = "9"
    & skf18("1","7","9","10","7","8","1") = "9"
    & skf18("1","7","9","10","7","9","1") = "9"
    & skf18("1","7","9","10","7","10","1") = "9"
    & skf18("1","7","9","10","8","1","1") = "9"
    & skf18("1","7","9","10","8","2","1") = "9"
    & skf18("1","7","9","10","8","3","1") = "9"
    & skf18("1","7","9","10","8","4","1") = "9"
    & skf18("1","7","9","10","8","5","1") = "9"
    & skf18("1","7","9","10","8","6","1") = "9"
    & skf18("1","7","9","10","8","7","1") = "9"
    & skf18("1","7","9","10","8","8","1") = "9"
    & skf18("1","7","9","10","8","9","1") = "9"
    & skf18("1","7","9","10","8","10","1") = "9"
    & skf18("1","7","9","10","9","1","1") = "9"
    & skf18("1","7","9","10","9","2","1") = "9"
    & skf18("1","7","9","10","9","3","1") = "9"
    & skf18("1","7","9","10","9","4","1") = "9"
    & skf18("1","7","9","10","9","5","1") = "9"
    & skf18("1","7","9","10","9","6","1") = "9"
    & skf18("1","7","9","10","9","7","1") = "9"
    & skf18("1","7","9","10","9","8","1") = "9"
    & skf18("1","7","9","10","9","9","1") = "9"
    & skf18("1","7","9","10","9","10","1") = "9"
    & skf18("1","7","9","10","10","1","1") = "9"
    & skf18("1","7","9","10","10","2","1") = "9"
    & skf18("1","7","9","10","10","3","1") = "9"
    & skf18("1","7","9","10","10","4","1") = "9"
    & skf18("1","7","9","10","10","5","1") = "9"
    & skf18("1","7","9","10","10","6","1") = "9"
    & skf18("1","7","9","10","10","7","1") = "9"
    & skf18("1","7","9","10","10","8","1") = "9"
    & skf18("1","7","9","10","10","9","1") = "9"
    & skf18("1","7","9","10","10","10","1") = "9"
    & skf18("1","7","10","1","1","1","1") = "9"
    & skf18("1","7","10","1","1","2","1") = "9"
    & skf18("1","7","10","1","1","3","1") = "9"
    & skf18("1","7","10","1","1","4","1") = "9"
    & skf18("1","7","10","1","1","5","1") = "9"
    & skf18("1","7","10","1","1","6","1") = "9"
    & skf18("1","7","10","1","1","7","1") = "9"
    & skf18("1","7","10","1","1","8","1") = "9"
    & skf18("1","7","10","1","1","9","1") = "9"
    & skf18("1","7","10","1","1","10","1") = "9"
    & skf18("1","7","10","1","2","1","1") = "9"
    & skf18("1","7","10","1","2","2","1") = "9"
    & skf18("1","7","10","1","2","3","1") = "9"
    & skf18("1","7","10","1","2","4","1") = "9"
    & skf18("1","7","10","1","2","5","1") = "9"
    & skf18("1","7","10","1","2","6","1") = "9"
    & skf18("1","7","10","1","2","7","1") = "9"
    & skf18("1","7","10","1","2","8","1") = "9"
    & skf18("1","7","10","1","2","9","1") = "9"
    & skf18("1","7","10","1","2","10","1") = "9"
    & skf18("1","7","10","1","3","1","1") = "9"
    & skf18("1","7","10","1","3","2","1") = "9"
    & skf18("1","7","10","1","3","3","1") = "9"
    & skf18("1","7","10","1","3","4","1") = "9"
    & skf18("1","7","10","1","3","5","1") = "9"
    & skf18("1","7","10","1","3","6","1") = "9"
    & skf18("1","7","10","1","3","7","1") = "9"
    & skf18("1","7","10","1","3","8","1") = "9"
    & skf18("1","7","10","1","3","9","1") = "9"
    & skf18("1","7","10","1","3","10","1") = "9"
    & skf18("1","7","10","1","4","1","1") = "9"
    & skf18("1","7","10","1","4","2","1") = "9"
    & skf18("1","7","10","1","4","3","1") = "9"
    & skf18("1","7","10","1","4","4","1") = "9"
    & skf18("1","7","10","1","4","5","1") = "9"
    & skf18("1","7","10","1","4","6","1") = "9"
    & skf18("1","7","10","1","4","7","1") = "9"
    & skf18("1","7","10","1","4","8","1") = "9"
    & skf18("1","7","10","1","4","9","1") = "9"
    & skf18("1","7","10","1","4","10","1") = "9"
    & skf18("1","7","10","1","5","1","1") = "9"
    & skf18("1","7","10","1","5","2","1") = "9"
    & skf18("1","7","10","1","5","3","1") = "9"
    & skf18("1","7","10","1","5","4","1") = "9"
    & skf18("1","7","10","1","5","5","1") = "9"
    & skf18("1","7","10","1","5","6","1") = "9"
    & skf18("1","7","10","1","5","7","1") = "9"
    & skf18("1","7","10","1","5","8","1") = "9"
    & skf18("1","7","10","1","5","9","1") = "9"
    & skf18("1","7","10","1","5","10","1") = "9"
    & skf18("1","7","10","1","6","1","1") = "9"
    & skf18("1","7","10","1","6","2","1") = "9"
    & skf18("1","7","10","1","6","3","1") = "9"
    & skf18("1","7","10","1","6","4","1") = "9"
    & skf18("1","7","10","1","6","5","1") = "9"
    & skf18("1","7","10","1","6","6","1") = "9"
    & skf18("1","7","10","1","6","7","1") = "9"
    & skf18("1","7","10","1","6","8","1") = "9"
    & skf18("1","7","10","1","6","9","1") = "9"
    & skf18("1","7","10","1","6","10","1") = "9"
    & skf18("1","7","10","1","7","1","1") = "9"
    & skf18("1","7","10","1","7","2","1") = "9"
    & skf18("1","7","10","1","7","3","1") = "9"
    & skf18("1","7","10","1","7","4","1") = "9"
    & skf18("1","7","10","1","7","5","1") = "9"
    & skf18("1","7","10","1","7","6","1") = "9"
    & skf18("1","7","10","1","7","7","1") = "9"
    & skf18("1","7","10","1","7","8","1") = "9"
    & skf18("1","7","10","1","7","9","1") = "9"
    & skf18("1","7","10","1","7","10","1") = "9"
    & skf18("1","7","10","1","8","1","1") = "9"
    & skf18("1","7","10","1","8","2","1") = "9"
    & skf18("1","7","10","1","8","3","1") = "9"
    & skf18("1","7","10","1","8","4","1") = "9"
    & skf18("1","7","10","1","8","5","1") = "9"
    & skf18("1","7","10","1","8","6","1") = "9"
    & skf18("1","7","10","1","8","7","1") = "9"
    & skf18("1","7","10","1","8","8","1") = "9"
    & skf18("1","7","10","1","8","9","1") = "9"
    & skf18("1","7","10","1","8","10","1") = "9"
    & skf18("1","7","10","1","9","1","1") = "9"
    & skf18("1","7","10","1","9","2","1") = "9"
    & skf18("1","7","10","1","9","3","1") = "9"
    & skf18("1","7","10","1","9","4","1") = "9"
    & skf18("1","7","10","1","9","5","1") = "9"
    & skf18("1","7","10","1","9","6","1") = "9"
    & skf18("1","7","10","1","9","7","1") = "9"
    & skf18("1","7","10","1","9","8","1") = "9"
    & skf18("1","7","10","1","9","9","1") = "9"
    & skf18("1","7","10","1","9","10","1") = "9"
    & skf18("1","7","10","1","10","1","1") = "9"
    & skf18("1","7","10","1","10","2","1") = "9"
    & skf18("1","7","10","1","10","3","1") = "9"
    & skf18("1","7","10","1","10","4","1") = "9"
    & skf18("1","7","10","1","10","5","1") = "9"
    & skf18("1","7","10","1","10","6","1") = "9"
    & skf18("1","7","10","1","10","7","1") = "9"
    & skf18("1","7","10","1","10","8","1") = "9"
    & skf18("1","7","10","1","10","9","1") = "9"
    & skf18("1","7","10","1","10","10","1") = "9"
    & skf18("1","7","10","2","1","1","1") = "9"
    & skf18("1","7","10","2","1","2","1") = "9"
    & skf18("1","7","10","2","1","3","1") = "9"
    & skf18("1","7","10","2","1","4","1") = "9"
    & skf18("1","7","10","2","1","5","1") = "9"
    & skf18("1","7","10","2","1","6","1") = "9"
    & skf18("1","7","10","2","1","7","1") = "9"
    & skf18("1","7","10","2","1","8","1") = "9"
    & skf18("1","7","10","2","1","9","1") = "9"
    & skf18("1","7","10","2","1","10","1") = "9"
    & skf18("1","7","10","2","2","1","1") = "9"
    & skf18("1","7","10","2","2","2","1") = "9"
    & skf18("1","7","10","2","2","3","1") = "9"
    & skf18("1","7","10","2","2","4","1") = "9"
    & skf18("1","7","10","2","2","5","1") = "9"
    & skf18("1","7","10","2","2","6","1") = "9"
    & skf18("1","7","10","2","2","7","1") = "9"
    & skf18("1","7","10","2","2","8","1") = "9"
    & skf18("1","7","10","2","2","9","1") = "9"
    & skf18("1","7","10","2","2","10","1") = "9"
    & skf18("1","7","10","2","3","1","1") = "9"
    & skf18("1","7","10","2","3","2","1") = "9"
    & skf18("1","7","10","2","3","3","1") = "9"
    & skf18("1","7","10","2","3","4","1") = "9"
    & skf18("1","7","10","2","3","5","1") = "9"
    & skf18("1","7","10","2","3","6","1") = "9"
    & skf18("1","7","10","2","3","7","1") = "9"
    & skf18("1","7","10","2","3","8","1") = "9"
    & skf18("1","7","10","2","3","9","1") = "9"
    & skf18("1","7","10","2","3","10","1") = "9"
    & skf18("1","7","10","2","4","1","1") = "9"
    & skf18("1","7","10","2","4","2","1") = "9"
    & skf18("1","7","10","2","4","3","1") = "9"
    & skf18("1","7","10","2","4","4","1") = "9"
    & skf18("1","7","10","2","4","5","1") = "9"
    & skf18("1","7","10","2","4","6","1") = "9"
    & skf18("1","7","10","2","4","7","1") = "9"
    & skf18("1","7","10","2","4","8","1") = "9"
    & skf18("1","7","10","2","4","9","1") = "9"
    & skf18("1","7","10","2","4","10","1") = "9"
    & skf18("1","7","10","2","5","1","1") = "9"
    & skf18("1","7","10","2","5","2","1") = "9"
    & skf18("1","7","10","2","5","3","1") = "9"
    & skf18("1","7","10","2","5","4","1") = "9"
    & skf18("1","7","10","2","5","5","1") = "9"
    & skf18("1","7","10","2","5","6","1") = "9"
    & skf18("1","7","10","2","5","7","1") = "9"
    & skf18("1","7","10","2","5","8","1") = "9"
    & skf18("1","7","10","2","5","9","1") = "9"
    & skf18("1","7","10","2","5","10","1") = "9"
    & skf18("1","7","10","2","6","1","1") = "9"
    & skf18("1","7","10","2","6","2","1") = "9"
    & skf18("1","7","10","2","6","3","1") = "9"
    & skf18("1","7","10","2","6","4","1") = "9"
    & skf18("1","7","10","2","6","5","1") = "9"
    & skf18("1","7","10","2","6","6","1") = "9"
    & skf18("1","7","10","2","6","7","1") = "9"
    & skf18("1","7","10","2","6","8","1") = "9"
    & skf18("1","7","10","2","6","9","1") = "9"
    & skf18("1","7","10","2","6","10","1") = "9"
    & skf18("1","7","10","2","7","1","1") = "9"
    & skf18("1","7","10","2","7","2","1") = "9"
    & skf18("1","7","10","2","7","3","1") = "9"
    & skf18("1","7","10","2","7","4","1") = "9"
    & skf18("1","7","10","2","7","5","1") = "9"
    & skf18("1","7","10","2","7","6","1") = "9"
    & skf18("1","7","10","2","7","7","1") = "9"
    & skf18("1","7","10","2","7","8","1") = "9"
    & skf18("1","7","10","2","7","9","1") = "9"
    & skf18("1","7","10","2","7","10","1") = "9"
    & skf18("1","7","10","2","8","1","1") = "9"
    & skf18("1","7","10","2","8","2","1") = "9"
    & skf18("1","7","10","2","8","3","1") = "9"
    & skf18("1","7","10","2","8","4","1") = "9"
    & skf18("1","7","10","2","8","5","1") = "9"
    & skf18("1","7","10","2","8","6","1") = "9"
    & skf18("1","7","10","2","8","7","1") = "9"
    & skf18("1","7","10","2","8","8","1") = "9"
    & skf18("1","7","10","2","8","9","1") = "9"
    & skf18("1","7","10","2","8","10","1") = "9"
    & skf18("1","7","10","2","9","1","1") = "9"
    & skf18("1","7","10","2","9","2","1") = "9"
    & skf18("1","7","10","2","9","3","1") = "9"
    & skf18("1","7","10","2","9","4","1") = "9"
    & skf18("1","7","10","2","9","5","1") = "9"
    & skf18("1","7","10","2","9","6","1") = "9"
    & skf18("1","7","10","2","9","7","1") = "9"
    & skf18("1","7","10","2","9","8","1") = "9"
    & skf18("1","7","10","2","9","9","1") = "9"
    & skf18("1","7","10","2","9","10","1") = "9"
    & skf18("1","7","10","2","10","1","1") = "9"
    & skf18("1","7","10","2","10","2","1") = "9"
    & skf18("1","7","10","2","10","3","1") = "9"
    & skf18("1","7","10","2","10","4","1") = "9"
    & skf18("1","7","10","2","10","5","1") = "9"
    & skf18("1","7","10","2","10","6","1") = "9"
    & skf18("1","7","10","2","10","7","1") = "9"
    & skf18("1","7","10","2","10","8","1") = "9"
    & skf18("1","7","10","2","10","9","1") = "9"
    & skf18("1","7","10","2","10","10","1") = "9"
    & skf18("1","7","10","3","1","1","1") = "9"
    & skf18("1","7","10","3","1","2","1") = "9"
    & skf18("1","7","10","3","1","3","1") = "9"
    & skf18("1","7","10","3","1","4","1") = "9"
    & skf18("1","7","10","3","1","5","1") = "9"
    & skf18("1","7","10","3","1","6","1") = "9"
    & skf18("1","7","10","3","1","7","1") = "9"
    & skf18("1","7","10","3","1","8","1") = "9"
    & skf18("1","7","10","3","1","9","1") = "9"
    & skf18("1","7","10","3","1","10","1") = "9"
    & skf18("1","7","10","3","2","1","1") = "9"
    & skf18("1","7","10","3","2","2","1") = "9"
    & skf18("1","7","10","3","2","3","1") = "9"
    & skf18("1","7","10","3","2","4","1") = "9"
    & skf18("1","7","10","3","2","5","1") = "9"
    & skf18("1","7","10","3","2","6","1") = "9"
    & skf18("1","7","10","3","2","7","1") = "9"
    & skf18("1","7","10","3","2","8","1") = "9"
    & skf18("1","7","10","3","2","9","1") = "9"
    & skf18("1","7","10","3","2","10","1") = "9"
    & skf18("1","7","10","3","3","1","1") = "9"
    & skf18("1","7","10","3","3","2","1") = "9"
    & skf18("1","7","10","3","3","3","1") = "9"
    & skf18("1","7","10","3","3","4","1") = "9"
    & skf18("1","7","10","3","3","5","1") = "9"
    & skf18("1","7","10","3","3","6","1") = "9"
    & skf18("1","7","10","3","3","7","1") = "9"
    & skf18("1","7","10","3","3","8","1") = "9"
    & skf18("1","7","10","3","3","9","1") = "9"
    & skf18("1","7","10","3","3","10","1") = "9"
    & skf18("1","7","10","3","4","1","1") = "9"
    & skf18("1","7","10","3","4","2","1") = "9"
    & skf18("1","7","10","3","4","3","1") = "9"
    & skf18("1","7","10","3","4","4","1") = "9"
    & skf18("1","7","10","3","4","5","1") = "9"
    & skf18("1","7","10","3","4","6","1") = "9"
    & skf18("1","7","10","3","4","7","1") = "9"
    & skf18("1","7","10","3","4","8","1") = "9"
    & skf18("1","7","10","3","4","9","1") = "9"
    & skf18("1","7","10","3","4","10","1") = "9"
    & skf18("1","7","10","3","5","1","1") = "9"
    & skf18("1","7","10","3","5","2","1") = "9"
    & skf18("1","7","10","3","5","3","1") = "9"
    & skf18("1","7","10","3","5","4","1") = "9"
    & skf18("1","7","10","3","5","5","1") = "9"
    & skf18("1","7","10","3","5","6","1") = "9"
    & skf18("1","7","10","3","5","7","1") = "9"
    & skf18("1","7","10","3","5","8","1") = "9"
    & skf18("1","7","10","3","5","9","1") = "9"
    & skf18("1","7","10","3","5","10","1") = "9"
    & skf18("1","7","10","3","6","1","1") = "9"
    & skf18("1","7","10","3","6","2","1") = "9"
    & skf18("1","7","10","3","6","3","1") = "9"
    & skf18("1","7","10","3","6","4","1") = "9"
    & skf18("1","7","10","3","6","5","1") = "9"
    & skf18("1","7","10","3","6","6","1") = "9"
    & skf18("1","7","10","3","6","7","1") = "9"
    & skf18("1","7","10","3","6","8","1") = "9"
    & skf18("1","7","10","3","6","9","1") = "9"
    & skf18("1","7","10","3","6","10","1") = "9"
    & skf18("1","7","10","3","7","1","1") = "9"
    & skf18("1","7","10","3","7","2","1") = "9"
    & skf18("1","7","10","3","7","3","1") = "9"
    & skf18("1","7","10","3","7","4","1") = "9"
    & skf18("1","7","10","3","7","5","1") = "9"
    & skf18("1","7","10","3","7","6","1") = "9"
    & skf18("1","7","10","3","7","7","1") = "9"
    & skf18("1","7","10","3","7","8","1") = "9"
    & skf18("1","7","10","3","7","9","1") = "9"
    & skf18("1","7","10","3","7","10","1") = "9"
    & skf18("1","7","10","3","8","1","1") = "9"
    & skf18("1","7","10","3","8","2","1") = "9"
    & skf18("1","7","10","3","8","3","1") = "9"
    & skf18("1","7","10","3","8","4","1") = "9"
    & skf18("1","7","10","3","8","5","1") = "9"
    & skf18("1","7","10","3","8","6","1") = "9"
    & skf18("1","7","10","3","8","7","1") = "9"
    & skf18("1","7","10","3","8","8","1") = "9"
    & skf18("1","7","10","3","8","9","1") = "9"
    & skf18("1","7","10","3","8","10","1") = "9"
    & skf18("1","7","10","3","9","1","1") = "9"
    & skf18("1","7","10","3","9","2","1") = "9"
    & skf18("1","7","10","3","9","3","1") = "9"
    & skf18("1","7","10","3","9","4","1") = "9"
    & skf18("1","7","10","3","9","5","1") = "9"
    & skf18("1","7","10","3","9","6","1") = "9"
    & skf18("1","7","10","3","9","7","1") = "9"
    & skf18("1","7","10","3","9","8","1") = "9"
    & skf18("1","7","10","3","9","9","1") = "9"
    & skf18("1","7","10","3","9","10","1") = "9"
    & skf18("1","7","10","3","10","1","1") = "9"
    & skf18("1","7","10","3","10","2","1") = "9"
    & skf18("1","7","10","3","10","3","1") = "9"
    & skf18("1","7","10","3","10","4","1") = "9"
    & skf18("1","7","10","3","10","5","1") = "9"
    & skf18("1","7","10","3","10","6","1") = "9"
    & skf18("1","7","10","3","10","7","1") = "9"
    & skf18("1","7","10","3","10","8","1") = "9"
    & skf18("1","7","10","3","10","9","1") = "9"
    & skf18("1","7","10","3","10","10","1") = "9"
    & skf18("1","7","10","4","1","1","1") = "9"
    & skf18("1","7","10","4","1","2","1") = "9"
    & skf18("1","7","10","4","1","3","1") = "9"
    & skf18("1","7","10","4","1","4","1") = "9"
    & skf18("1","7","10","4","1","5","1") = "9"
    & skf18("1","7","10","4","1","6","1") = "9"
    & skf18("1","7","10","4","1","7","1") = "9"
    & skf18("1","7","10","4","1","8","1") = "9"
    & skf18("1","7","10","4","1","9","1") = "9"
    & skf18("1","7","10","4","1","10","1") = "9"
    & skf18("1","7","10","4","2","1","1") = "9"
    & skf18("1","7","10","4","2","2","1") = "9"
    & skf18("1","7","10","4","2","3","1") = "9"
    & skf18("1","7","10","4","2","4","1") = "9"
    & skf18("1","7","10","4","2","5","1") = "9"
    & skf18("1","7","10","4","2","6","1") = "9"
    & skf18("1","7","10","4","2","7","1") = "9"
    & skf18("1","7","10","4","2","8","1") = "9"
    & skf18("1","7","10","4","2","9","1") = "9"
    & skf18("1","7","10","4","2","10","1") = "9"
    & skf18("1","7","10","4","3","1","1") = "9"
    & skf18("1","7","10","4","3","2","1") = "9"
    & skf18("1","7","10","4","3","3","1") = "9"
    & skf18("1","7","10","4","3","4","1") = "9"
    & skf18("1","7","10","4","3","5","1") = "9"
    & skf18("1","7","10","4","3","6","1") = "9"
    & skf18("1","7","10","4","3","7","1") = "9"
    & skf18("1","7","10","4","3","8","1") = "9"
    & skf18("1","7","10","4","3","9","1") = "9"
    & skf18("1","7","10","4","3","10","1") = "9"
    & skf18("1","7","10","4","4","1","1") = "9"
    & skf18("1","7","10","4","4","2","1") = "9"
    & skf18("1","7","10","4","4","3","1") = "9"
    & skf18("1","7","10","4","4","4","1") = "9"
    & skf18("1","7","10","4","4","5","1") = "9"
    & skf18("1","7","10","4","4","6","1") = "9"
    & skf18("1","7","10","4","4","7","1") = "9"
    & skf18("1","7","10","4","4","8","1") = "9"
    & skf18("1","7","10","4","4","9","1") = "9"
    & skf18("1","7","10","4","4","10","1") = "9"
    & skf18("1","7","10","4","5","1","1") = "9"
    & skf18("1","7","10","4","5","2","1") = "9"
    & skf18("1","7","10","4","5","3","1") = "9"
    & skf18("1","7","10","4","5","4","1") = "9"
    & skf18("1","7","10","4","5","5","1") = "9"
    & skf18("1","7","10","4","5","6","1") = "9"
    & skf18("1","7","10","4","5","7","1") = "9"
    & skf18("1","7","10","4","5","8","1") = "9"
    & skf18("1","7","10","4","5","9","1") = "9"
    & skf18("1","7","10","4","5","10","1") = "9"
    & skf18("1","7","10","4","6","1","1") = "9"
    & skf18("1","7","10","4","6","2","1") = "9"
    & skf18("1","7","10","4","6","3","1") = "9"
    & skf18("1","7","10","4","6","4","1") = "9"
    & skf18("1","7","10","4","6","5","1") = "9"
    & skf18("1","7","10","4","6","6","1") = "9"
    & skf18("1","7","10","4","6","7","1") = "9"
    & skf18("1","7","10","4","6","8","1") = "9"
    & skf18("1","7","10","4","6","9","1") = "9"
    & skf18("1","7","10","4","6","10","1") = "9"
    & skf18("1","7","10","4","7","1","1") = "9"
    & skf18("1","7","10","4","7","2","1") = "9"
    & skf18("1","7","10","4","7","3","1") = "9"
    & skf18("1","7","10","4","7","4","1") = "9"
    & skf18("1","7","10","4","7","5","1") = "9"
    & skf18("1","7","10","4","7","6","1") = "9"
    & skf18("1","7","10","4","7","7","1") = "9"
    & skf18("1","7","10","4","7","8","1") = "9"
    & skf18("1","7","10","4","7","9","1") = "9"
    & skf18("1","7","10","4","7","10","1") = "9"
    & skf18("1","7","10","4","8","1","1") = "9"
    & skf18("1","7","10","4","8","2","1") = "9"
    & skf18("1","7","10","4","8","3","1") = "9"
    & skf18("1","7","10","4","8","4","1") = "9"
    & skf18("1","7","10","4","8","5","1") = "9"
    & skf18("1","7","10","4","8","6","1") = "9"
    & skf18("1","7","10","4","8","7","1") = "9"
    & skf18("1","7","10","4","8","8","1") = "9"
    & skf18("1","7","10","4","8","9","1") = "9"
    & skf18("1","7","10","4","8","10","1") = "9"
    & skf18("1","7","10","4","9","1","1") = "9"
    & skf18("1","7","10","4","9","2","1") = "9"
    & skf18("1","7","10","4","9","3","1") = "9"
    & skf18("1","7","10","4","9","4","1") = "9"
    & skf18("1","7","10","4","9","5","1") = "9"
    & skf18("1","7","10","4","9","6","1") = "9"
    & skf18("1","7","10","4","9","7","1") = "9"
    & skf18("1","7","10","4","9","8","1") = "9"
    & skf18("1","7","10","4","9","9","1") = "9"
    & skf18("1","7","10","4","9","10","1") = "9"
    & skf18("1","7","10","4","10","1","1") = "9"
    & skf18("1","7","10","4","10","2","1") = "9"
    & skf18("1","7","10","4","10","3","1") = "9"
    & skf18("1","7","10","4","10","4","1") = "9"
    & skf18("1","7","10","4","10","5","1") = "9"
    & skf18("1","7","10","4","10","6","1") = "9"
    & skf18("1","7","10","4","10","7","1") = "9"
    & skf18("1","7","10","4","10","8","1") = "9"
    & skf18("1","7","10","4","10","9","1") = "9"
    & skf18("1","7","10","4","10","10","1") = "9"
    & skf18("1","7","10","5","1","1","1") = "9"
    & skf18("1","7","10","5","1","2","1") = "9"
    & skf18("1","7","10","5","1","3","1") = "9"
    & skf18("1","7","10","5","1","4","1") = "9"
    & skf18("1","7","10","5","1","5","1") = "9"
    & skf18("1","7","10","5","1","6","1") = "9"
    & skf18("1","7","10","5","1","7","1") = "9"
    & skf18("1","7","10","5","1","8","1") = "9"
    & skf18("1","7","10","5","1","9","1") = "9"
    & skf18("1","7","10","5","1","10","1") = "9"
    & skf18("1","7","10","5","2","1","1") = "9"
    & skf18("1","7","10","5","2","2","1") = "9"
    & skf18("1","7","10","5","2","3","1") = "9"
    & skf18("1","7","10","5","2","4","1") = "9"
    & skf18("1","7","10","5","2","5","1") = "9"
    & skf18("1","7","10","5","2","6","1") = "9"
    & skf18("1","7","10","5","2","7","1") = "9"
    & skf18("1","7","10","5","2","8","1") = "9"
    & skf18("1","7","10","5","2","9","1") = "9"
    & skf18("1","7","10","5","2","10","1") = "9"
    & skf18("1","7","10","5","3","1","1") = "9"
    & skf18("1","7","10","5","3","2","1") = "9"
    & skf18("1","7","10","5","3","3","1") = "9"
    & skf18("1","7","10","5","3","4","1") = "9"
    & skf18("1","7","10","5","3","5","1") = "9"
    & skf18("1","7","10","5","3","6","1") = "9"
    & skf18("1","7","10","5","3","7","1") = "9"
    & skf18("1","7","10","5","3","8","1") = "9"
    & skf18("1","7","10","5","3","9","1") = "9"
    & skf18("1","7","10","5","3","10","1") = "9"
    & skf18("1","7","10","5","4","1","1") = "9"
    & skf18("1","7","10","5","4","2","1") = "9"
    & skf18("1","7","10","5","4","3","1") = "9"
    & skf18("1","7","10","5","4","4","1") = "9"
    & skf18("1","7","10","5","4","5","1") = "9"
    & skf18("1","7","10","5","4","6","1") = "9"
    & skf18("1","7","10","5","4","7","1") = "9"
    & skf18("1","7","10","5","4","8","1") = "9"
    & skf18("1","7","10","5","4","9","1") = "9"
    & skf18("1","7","10","5","4","10","1") = "9"
    & skf18("1","7","10","5","5","1","1") = "9"
    & skf18("1","7","10","5","5","2","1") = "9"
    & skf18("1","7","10","5","5","3","1") = "9"
    & skf18("1","7","10","5","5","4","1") = "9"
    & skf18("1","7","10","5","5","5","1") = "9"
    & skf18("1","7","10","5","5","6","1") = "9"
    & skf18("1","7","10","5","5","7","1") = "9"
    & skf18("1","7","10","5","5","8","1") = "9"
    & skf18("1","7","10","5","5","9","1") = "9"
    & skf18("1","7","10","5","5","10","1") = "9"
    & skf18("1","7","10","5","6","1","1") = "9"
    & skf18("1","7","10","5","6","2","1") = "9"
    & skf18("1","7","10","5","6","3","1") = "9"
    & skf18("1","7","10","5","6","4","1") = "9"
    & skf18("1","7","10","5","6","5","1") = "9"
    & skf18("1","7","10","5","6","6","1") = "9"
    & skf18("1","7","10","5","6","7","1") = "9"
    & skf18("1","7","10","5","6","8","1") = "9"
    & skf18("1","7","10","5","6","9","1") = "9"
    & skf18("1","7","10","5","6","10","1") = "9"
    & skf18("1","7","10","5","7","1","1") = "9"
    & skf18("1","7","10","5","7","2","1") = "9"
    & skf18("1","7","10","5","7","3","1") = "9"
    & skf18("1","7","10","5","7","4","1") = "9"
    & skf18("1","7","10","5","7","5","1") = "9"
    & skf18("1","7","10","5","7","6","1") = "9"
    & skf18("1","7","10","5","7","7","1") = "9"
    & skf18("1","7","10","5","7","8","1") = "9"
    & skf18("1","7","10","5","7","9","1") = "9"
    & skf18("1","7","10","5","7","10","1") = "9"
    & skf18("1","7","10","5","8","1","1") = "9"
    & skf18("1","7","10","5","8","2","1") = "9"
    & skf18("1","7","10","5","8","3","1") = "9"
    & skf18("1","7","10","5","8","4","1") = "9"
    & skf18("1","7","10","5","8","5","1") = "9"
    & skf18("1","7","10","5","8","6","1") = "9"
    & skf18("1","7","10","5","8","7","1") = "9"
    & skf18("1","7","10","5","8","8","1") = "9"
    & skf18("1","7","10","5","8","9","1") = "9"
    & skf18("1","7","10","5","8","10","1") = "9"
    & skf18("1","7","10","5","9","1","1") = "9"
    & skf18("1","7","10","5","9","2","1") = "9"
    & skf18("1","7","10","5","9","3","1") = "9"
    & skf18("1","7","10","5","9","4","1") = "9"
    & skf18("1","7","10","5","9","5","1") = "9"
    & skf18("1","7","10","5","9","6","1") = "9"
    & skf18("1","7","10","5","9","7","1") = "9"
    & skf18("1","7","10","5","9","8","1") = "9"
    & skf18("1","7","10","5","9","9","1") = "9"
    & skf18("1","7","10","5","9","10","1") = "9"
    & skf18("1","7","10","5","10","1","1") = "9"
    & skf18("1","7","10","5","10","2","1") = "9"
    & skf18("1","7","10","5","10","3","1") = "9"
    & skf18("1","7","10","5","10","4","1") = "9"
    & skf18("1","7","10","5","10","5","1") = "9"
    & skf18("1","7","10","5","10","6","1") = "9"
    & skf18("1","7","10","5","10","7","1") = "9"
    & skf18("1","7","10","5","10","8","1") = "9"
    & skf18("1","7","10","5","10","9","1") = "9"
    & skf18("1","7","10","5","10","10","1") = "9"
    & skf18("1","7","10","6","1","1","1") = "9"
    & skf18("1","7","10","6","1","2","1") = "9"
    & skf18("1","7","10","6","1","3","1") = "9"
    & skf18("1","7","10","6","1","4","1") = "9"
    & skf18("1","7","10","6","1","5","1") = "9"
    & skf18("1","7","10","6","1","6","1") = "9"
    & skf18("1","7","10","6","1","7","1") = "9"
    & skf18("1","7","10","6","1","8","1") = "9"
    & skf18("1","7","10","6","1","9","1") = "9"
    & skf18("1","7","10","6","1","10","1") = "9"
    & skf18("1","7","10","6","2","1","1") = "9"
    & skf18("1","7","10","6","2","2","1") = "9"
    & skf18("1","7","10","6","2","3","1") = "9"
    & skf18("1","7","10","6","2","4","1") = "9"
    & skf18("1","7","10","6","2","5","1") = "9"
    & skf18("1","7","10","6","2","6","1") = "9"
    & skf18("1","7","10","6","2","7","1") = "9"
    & skf18("1","7","10","6","2","8","1") = "9"
    & skf18("1","7","10","6","2","9","1") = "9"
    & skf18("1","7","10","6","2","10","1") = "9"
    & skf18("1","7","10","6","3","1","1") = "9"
    & skf18("1","7","10","6","3","2","1") = "9"
    & skf18("1","7","10","6","3","3","1") = "9"
    & skf18("1","7","10","6","3","4","1") = "9"
    & skf18("1","7","10","6","3","5","1") = "9"
    & skf18("1","7","10","6","3","6","1") = "9"
    & skf18("1","7","10","6","3","7","1") = "9"
    & skf18("1","7","10","6","3","8","1") = "9"
    & skf18("1","7","10","6","3","9","1") = "9"
    & skf18("1","7","10","6","3","10","1") = "9"
    & skf18("1","7","10","6","4","1","1") = "9"
    & skf18("1","7","10","6","4","2","1") = "9"
    & skf18("1","7","10","6","4","3","1") = "9"
    & skf18("1","7","10","6","4","4","1") = "9"
    & skf18("1","7","10","6","4","5","1") = "9"
    & skf18("1","7","10","6","4","6","1") = "9"
    & skf18("1","7","10","6","4","7","1") = "9"
    & skf18("1","7","10","6","4","8","1") = "9"
    & skf18("1","7","10","6","4","9","1") = "9"
    & skf18("1","7","10","6","4","10","1") = "9"
    & skf18("1","7","10","6","5","1","1") = "9"
    & skf18("1","7","10","6","5","2","1") = "9"
    & skf18("1","7","10","6","5","3","1") = "9"
    & skf18("1","7","10","6","5","4","1") = "9"
    & skf18("1","7","10","6","5","5","1") = "9"
    & skf18("1","7","10","6","5","6","1") = "9"
    & skf18("1","7","10","6","5","7","1") = "9"
    & skf18("1","7","10","6","5","8","1") = "9"
    & skf18("1","7","10","6","5","9","1") = "9"
    & skf18("1","7","10","6","5","10","1") = "9"
    & skf18("1","7","10","6","6","1","1") = "9"
    & skf18("1","7","10","6","6","2","1") = "9"
    & skf18("1","7","10","6","6","3","1") = "9"
    & skf18("1","7","10","6","6","4","1") = "9"
    & skf18("1","7","10","6","6","5","1") = "9"
    & skf18("1","7","10","6","6","6","1") = "9"
    & skf18("1","7","10","6","6","7","1") = "9"
    & skf18("1","7","10","6","6","8","1") = "9"
    & skf18("1","7","10","6","6","9","1") = "9"
    & skf18("1","7","10","6","6","10","1") = "9"
    & skf18("1","7","10","6","7","1","1") = "9"
    & skf18("1","7","10","6","7","2","1") = "9"
    & skf18("1","7","10","6","7","3","1") = "9"
    & skf18("1","7","10","6","7","4","1") = "9"
    & skf18("1","7","10","6","7","5","1") = "9"
    & skf18("1","7","10","6","7","6","1") = "9"
    & skf18("1","7","10","6","7","7","1") = "9"
    & skf18("1","7","10","6","7","8","1") = "9"
    & skf18("1","7","10","6","7","9","1") = "9"
    & skf18("1","7","10","6","7","10","1") = "9"
    & skf18("1","7","10","6","8","1","1") = "9"
    & skf18("1","7","10","6","8","2","1") = "9"
    & skf18("1","7","10","6","8","3","1") = "9"
    & skf18("1","7","10","6","8","4","1") = "9"
    & skf18("1","7","10","6","8","5","1") = "9"
    & skf18("1","7","10","6","8","6","1") = "9"
    & skf18("1","7","10","6","8","7","1") = "9"
    & skf18("1","7","10","6","8","8","1") = "9"
    & skf18("1","7","10","6","8","9","1") = "9"
    & skf18("1","7","10","6","8","10","1") = "9"
    & skf18("1","7","10","6","9","1","1") = "9"
    & skf18("1","7","10","6","9","2","1") = "9"
    & skf18("1","7","10","6","9","3","1") = "9"
    & skf18("1","7","10","6","9","4","1") = "9"
    & skf18("1","7","10","6","9","5","1") = "9"
    & skf18("1","7","10","6","9","6","1") = "9"
    & skf18("1","7","10","6","9","7","1") = "9"
    & skf18("1","7","10","6","9","8","1") = "9"
    & skf18("1","7","10","6","9","9","1") = "9"
    & skf18("1","7","10","6","9","10","1") = "9"
    & skf18("1","7","10","6","10","1","1") = "9"
    & skf18("1","7","10","6","10","2","1") = "9"
    & skf18("1","7","10","6","10","3","1") = "9"
    & skf18("1","7","10","6","10","4","1") = "9"
    & skf18("1","7","10","6","10","5","1") = "9"
    & skf18("1","7","10","6","10","6","1") = "9"
    & skf18("1","7","10","6","10","7","1") = "9"
    & skf18("1","7","10","6","10","8","1") = "9"
    & skf18("1","7","10","6","10","9","1") = "9"
    & skf18("1","7","10","6","10","10","1") = "9"
    & skf18("1","7","10","7","1","1","1") = "9"
    & skf18("1","7","10","7","1","2","1") = "9"
    & skf18("1","7","10","7","1","3","1") = "9"
    & skf18("1","7","10","7","1","4","1") = "9"
    & skf18("1","7","10","7","1","5","1") = "9"
    & skf18("1","7","10","7","1","6","1") = "9"
    & skf18("1","7","10","7","1","7","1") = "9"
    & skf18("1","7","10","7","1","8","1") = "9"
    & skf18("1","7","10","7","1","9","1") = "9"
    & skf18("1","7","10","7","1","10","1") = "9"
    & skf18("1","7","10","7","2","1","1") = "9"
    & skf18("1","7","10","7","2","2","1") = "9"
    & skf18("1","7","10","7","2","3","1") = "9"
    & skf18("1","7","10","7","2","4","1") = "9"
    & skf18("1","7","10","7","2","5","1") = "9"
    & skf18("1","7","10","7","2","6","1") = "9"
    & skf18("1","7","10","7","2","7","1") = "9"
    & skf18("1","7","10","7","2","8","1") = "9"
    & skf18("1","7","10","7","2","9","1") = "9"
    & skf18("1","7","10","7","2","10","1") = "9"
    & skf18("1","7","10","7","3","1","1") = "9"
    & skf18("1","7","10","7","3","2","1") = "9"
    & skf18("1","7","10","7","3","3","1") = "9"
    & skf18("1","7","10","7","3","4","1") = "9"
    & skf18("1","7","10","7","3","5","1") = "9"
    & skf18("1","7","10","7","3","6","1") = "9"
    & skf18("1","7","10","7","3","7","1") = "9"
    & skf18("1","7","10","7","3","8","1") = "9"
    & skf18("1","7","10","7","3","9","1") = "9"
    & skf18("1","7","10","7","3","10","1") = "9"
    & skf18("1","7","10","7","4","1","1") = "9"
    & skf18("1","7","10","7","4","2","1") = "9"
    & skf18("1","7","10","7","4","3","1") = "9"
    & skf18("1","7","10","7","4","4","1") = "9"
    & skf18("1","7","10","7","4","5","1") = "9"
    & skf18("1","7","10","7","4","6","1") = "9"
    & skf18("1","7","10","7","4","7","1") = "9"
    & skf18("1","7","10","7","4","8","1") = "9"
    & skf18("1","7","10","7","4","9","1") = "9"
    & skf18("1","7","10","7","4","10","1") = "9"
    & skf18("1","7","10","7","5","1","1") = "9"
    & skf18("1","7","10","7","5","2","1") = "9"
    & skf18("1","7","10","7","5","3","1") = "9"
    & skf18("1","7","10","7","5","4","1") = "9"
    & skf18("1","7","10","7","5","5","1") = "9"
    & skf18("1","7","10","7","5","6","1") = "9"
    & skf18("1","7","10","7","5","7","1") = "9"
    & skf18("1","7","10","7","5","8","1") = "9"
    & skf18("1","7","10","7","5","9","1") = "9"
    & skf18("1","7","10","7","5","10","1") = "9"
    & skf18("1","7","10","7","6","1","1") = "9"
    & skf18("1","7","10","7","6","2","1") = "9"
    & skf18("1","7","10","7","6","3","1") = "9"
    & skf18("1","7","10","7","6","4","1") = "9"
    & skf18("1","7","10","7","6","5","1") = "9"
    & skf18("1","7","10","7","6","6","1") = "9"
    & skf18("1","7","10","7","6","7","1") = "9"
    & skf18("1","7","10","7","6","8","1") = "9"
    & skf18("1","7","10","7","6","9","1") = "9"
    & skf18("1","7","10","7","6","10","1") = "9"
    & skf18("1","7","10","7","7","1","1") = "9"
    & skf18("1","7","10","7","7","2","1") = "9"
    & skf18("1","7","10","7","7","3","1") = "9"
    & skf18("1","7","10","7","7","4","1") = "9"
    & skf18("1","7","10","7","7","5","1") = "9"
    & skf18("1","7","10","7","7","6","1") = "9"
    & skf18("1","7","10","7","7","7","1") = "9"
    & skf18("1","7","10","7","7","8","1") = "9"
    & skf18("1","7","10","7","7","9","1") = "9"
    & skf18("1","7","10","7","7","10","1") = "9"
    & skf18("1","7","10","7","8","1","1") = "9"
    & skf18("1","7","10","7","8","2","1") = "9"
    & skf18("1","7","10","7","8","3","1") = "9"
    & skf18("1","7","10","7","8","4","1") = "9"
    & skf18("1","7","10","7","8","5","1") = "9"
    & skf18("1","7","10","7","8","6","1") = "9"
    & skf18("1","7","10","7","8","7","1") = "9"
    & skf18("1","7","10","7","8","8","1") = "9"
    & skf18("1","7","10","7","8","9","1") = "9"
    & skf18("1","7","10","7","8","10","1") = "9"
    & skf18("1","7","10","7","9","1","1") = "9"
    & skf18("1","7","10","7","9","2","1") = "9"
    & skf18("1","7","10","7","9","3","1") = "9"
    & skf18("1","7","10","7","9","4","1") = "9"
    & skf18("1","7","10","7","9","5","1") = "9"
    & skf18("1","7","10","7","9","6","1") = "9"
    & skf18("1","7","10","7","9","7","1") = "9"
    & skf18("1","7","10","7","9","8","1") = "9"
    & skf18("1","7","10","7","9","9","1") = "9"
    & skf18("1","7","10","7","9","10","1") = "9"
    & skf18("1","7","10","7","10","1","1") = "9"
    & skf18("1","7","10","7","10","2","1") = "9"
    & skf18("1","7","10","7","10","3","1") = "9"
    & skf18("1","7","10","7","10","4","1") = "9"
    & skf18("1","7","10","7","10","5","1") = "9"
    & skf18("1","7","10","7","10","6","1") = "9"
    & skf18("1","7","10","7","10","7","1") = "9"
    & skf18("1","7","10","7","10","8","1") = "9"
    & skf18("1","7","10","7","10","9","1") = "9"
    & skf18("1","7","10","7","10","10","1") = "9"
    & skf18("1","7","10","8","1","1","1") = "9"
    & skf18("1","7","10","8","1","2","1") = "9"
    & skf18("1","7","10","8","1","3","1") = "9"
    & skf18("1","7","10","8","1","4","1") = "9"
    & skf18("1","7","10","8","1","5","1") = "9"
    & skf18("1","7","10","8","1","6","1") = "9"
    & skf18("1","7","10","8","1","7","1") = "9"
    & skf18("1","7","10","8","1","8","1") = "9"
    & skf18("1","7","10","8","1","9","1") = "9"
    & skf18("1","7","10","8","1","10","1") = "9"
    & skf18("1","7","10","8","2","1","1") = "9"
    & skf18("1","7","10","8","2","2","1") = "9"
    & skf18("1","7","10","8","2","3","1") = "9"
    & skf18("1","7","10","8","2","4","1") = "9"
    & skf18("1","7","10","8","2","5","1") = "9"
    & skf18("1","7","10","8","2","6","1") = "9"
    & skf18("1","7","10","8","2","7","1") = "9"
    & skf18("1","7","10","8","2","8","1") = "9"
    & skf18("1","7","10","8","2","9","1") = "9"
    & skf18("1","7","10","8","2","10","1") = "9"
    & skf18("1","7","10","8","3","1","1") = "9"
    & skf18("1","7","10","8","3","2","1") = "9"
    & skf18("1","7","10","8","3","3","1") = "9"
    & skf18("1","7","10","8","3","4","1") = "9"
    & skf18("1","7","10","8","3","5","1") = "9"
    & skf18("1","7","10","8","3","6","1") = "9"
    & skf18("1","7","10","8","3","7","1") = "9"
    & skf18("1","7","10","8","3","8","1") = "9"
    & skf18("1","7","10","8","3","9","1") = "9"
    & skf18("1","7","10","8","3","10","1") = "9"
    & skf18("1","7","10","8","4","1","1") = "9"
    & skf18("1","7","10","8","4","2","1") = "9"
    & skf18("1","7","10","8","4","3","1") = "9"
    & skf18("1","7","10","8","4","4","1") = "9"
    & skf18("1","7","10","8","4","5","1") = "9"
    & skf18("1","7","10","8","4","6","1") = "9"
    & skf18("1","7","10","8","4","7","1") = "9"
    & skf18("1","7","10","8","4","8","1") = "9"
    & skf18("1","7","10","8","4","9","1") = "9"
    & skf18("1","7","10","8","4","10","1") = "9"
    & skf18("1","7","10","8","5","1","1") = "9"
    & skf18("1","7","10","8","5","2","1") = "9"
    & skf18("1","7","10","8","5","3","1") = "9"
    & skf18("1","7","10","8","5","4","1") = "9"
    & skf18("1","7","10","8","5","5","1") = "9"
    & skf18("1","7","10","8","5","6","1") = "9"
    & skf18("1","7","10","8","5","7","1") = "9"
    & skf18("1","7","10","8","5","8","1") = "9"
    & skf18("1","7","10","8","5","9","1") = "9"
    & skf18("1","7","10","8","5","10","1") = "9"
    & skf18("1","7","10","8","6","1","1") = "9"
    & skf18("1","7","10","8","6","2","1") = "9"
    & skf18("1","7","10","8","6","3","1") = "9"
    & skf18("1","7","10","8","6","4","1") = "9"
    & skf18("1","7","10","8","6","5","1") = "9"
    & skf18("1","7","10","8","6","6","1") = "9"
    & skf18("1","7","10","8","6","7","1") = "9"
    & skf18("1","7","10","8","6","8","1") = "9"
    & skf18("1","7","10","8","6","9","1") = "9"
    & skf18("1","7","10","8","6","10","1") = "9"
    & skf18("1","7","10","8","7","1","1") = "9"
    & skf18("1","7","10","8","7","2","1") = "9"
    & skf18("1","7","10","8","7","3","1") = "9"
    & skf18("1","7","10","8","7","4","1") = "9"
    & skf18("1","7","10","8","7","5","1") = "9"
    & skf18("1","7","10","8","7","6","1") = "9"
    & skf18("1","7","10","8","7","7","1") = "9"
    & skf18("1","7","10","8","7","8","1") = "9"
    & skf18("1","7","10","8","7","9","1") = "9"
    & skf18("1","7","10","8","7","10","1") = "9"
    & skf18("1","7","10","8","8","1","1") = "9"
    & skf18("1","7","10","8","8","2","1") = "9"
    & skf18("1","7","10","8","8","3","1") = "9"
    & skf18("1","7","10","8","8","4","1") = "9"
    & skf18("1","7","10","8","8","5","1") = "9"
    & skf18("1","7","10","8","8","6","1") = "9"
    & skf18("1","7","10","8","8","7","1") = "9"
    & skf18("1","7","10","8","8","8","1") = "9"
    & skf18("1","7","10","8","8","9","1") = "9"
    & skf18("1","7","10","8","8","10","1") = "9"
    & skf18("1","7","10","8","9","1","1") = "9"
    & skf18("1","7","10","8","9","2","1") = "9"
    & skf18("1","7","10","8","9","3","1") = "9"
    & skf18("1","7","10","8","9","4","1") = "9"
    & skf18("1","7","10","8","9","5","1") = "9"
    & skf18("1","7","10","8","9","6","1") = "9"
    & skf18("1","7","10","8","9","7","1") = "9"
    & skf18("1","7","10","8","9","8","1") = "9"
    & skf18("1","7","10","8","9","9","1") = "9"
    & skf18("1","7","10","8","9","10","1") = "9"
    & skf18("1","7","10","8","10","1","1") = "9"
    & skf18("1","7","10","8","10","2","1") = "9"
    & skf18("1","7","10","8","10","3","1") = "9"
    & skf18("1","7","10","8","10","4","1") = "9"
    & skf18("1","7","10","8","10","5","1") = "9"
    & skf18("1","7","10","8","10","6","1") = "9"
    & skf18("1","7","10","8","10","7","1") = "9"
    & skf18("1","7","10","8","10","8","1") = "9"
    & skf18("1","7","10","8","10","9","1") = "9"
    & skf18("1","7","10","8","10","10","1") = "9"
    & skf18("1","7","10","9","1","1","1") = "9"
    & skf18("1","7","10","9","1","2","1") = "9"
    & skf18("1","7","10","9","1","3","1") = "9"
    & skf18("1","7","10","9","1","4","1") = "9"
    & skf18("1","7","10","9","1","5","1") = "9"
    & skf18("1","7","10","9","1","6","1") = "9"
    & skf18("1","7","10","9","1","7","1") = "9"
    & skf18("1","7","10","9","1","8","1") = "9"
    & skf18("1","7","10","9","1","9","1") = "9"
    & skf18("1","7","10","9","1","10","1") = "9"
    & skf18("1","7","10","9","2","1","1") = "9"
    & skf18("1","7","10","9","2","2","1") = "9"
    & skf18("1","7","10","9","2","3","1") = "9"
    & skf18("1","7","10","9","2","4","1") = "9"
    & skf18("1","7","10","9","2","5","1") = "9"
    & skf18("1","7","10","9","2","6","1") = "9"
    & skf18("1","7","10","9","2","7","1") = "9"
    & skf18("1","7","10","9","2","8","1") = "9"
    & skf18("1","7","10","9","2","9","1") = "9"
    & skf18("1","7","10","9","2","10","1") = "9"
    & skf18("1","7","10","9","3","1","1") = "9"
    & skf18("1","7","10","9","3","2","1") = "9"
    & skf18("1","7","10","9","3","3","1") = "9"
    & skf18("1","7","10","9","3","4","1") = "9"
    & skf18("1","7","10","9","3","5","1") = "9"
    & skf18("1","7","10","9","3","6","1") = "9"
    & skf18("1","7","10","9","3","7","1") = "9"
    & skf18("1","7","10","9","3","8","1") = "9"
    & skf18("1","7","10","9","3","9","1") = "9"
    & skf18("1","7","10","9","3","10","1") = "9"
    & skf18("1","7","10","9","4","1","1") = "9"
    & skf18("1","7","10","9","4","2","1") = "9"
    & skf18("1","7","10","9","4","3","1") = "9"
    & skf18("1","7","10","9","4","4","1") = "9"
    & skf18("1","7","10","9","4","5","1") = "9"
    & skf18("1","7","10","9","4","6","1") = "9"
    & skf18("1","7","10","9","4","7","1") = "9"
    & skf18("1","7","10","9","4","8","1") = "9"
    & skf18("1","7","10","9","4","9","1") = "9"
    & skf18("1","7","10","9","4","10","1") = "9"
    & skf18("1","7","10","9","5","1","1") = "9"
    & skf18("1","7","10","9","5","2","1") = "9"
    & skf18("1","7","10","9","5","3","1") = "9"
    & skf18("1","7","10","9","5","4","1") = "9"
    & skf18("1","7","10","9","5","5","1") = "9"
    & skf18("1","7","10","9","5","6","1") = "9"
    & skf18("1","7","10","9","5","7","1") = "9"
    & skf18("1","7","10","9","5","8","1") = "9"
    & skf18("1","7","10","9","5","9","1") = "9"
    & skf18("1","7","10","9","5","10","1") = "9"
    & skf18("1","7","10","9","6","1","1") = "9"
    & skf18("1","7","10","9","6","2","1") = "9"
    & skf18("1","7","10","9","6","3","1") = "9"
    & skf18("1","7","10","9","6","4","1") = "9"
    & skf18("1","7","10","9","6","5","1") = "9"
    & skf18("1","7","10","9","6","6","1") = "9"
    & skf18("1","7","10","9","6","7","1") = "9"
    & skf18("1","7","10","9","6","8","1") = "9"
    & skf18("1","7","10","9","6","9","1") = "9"
    & skf18("1","7","10","9","6","10","1") = "9"
    & skf18("1","7","10","9","7","1","1") = "9"
    & skf18("1","7","10","9","7","2","1") = "9"
    & skf18("1","7","10","9","7","3","1") = "9"
    & skf18("1","7","10","9","7","4","1") = "9"
    & skf18("1","7","10","9","7","5","1") = "9"
    & skf18("1","7","10","9","7","6","1") = "9"
    & skf18("1","7","10","9","7","7","1") = "9"
    & skf18("1","7","10","9","7","8","1") = "9"
    & skf18("1","7","10","9","7","9","1") = "9"
    & skf18("1","7","10","9","7","10","1") = "9"
    & skf18("1","7","10","9","8","1","1") = "9"
    & skf18("1","7","10","9","8","2","1") = "9"
    & skf18("1","7","10","9","8","3","1") = "9"
    & skf18("1","7","10","9","8","4","1") = "9"
    & skf18("1","7","10","9","8","5","1") = "9"
    & skf18("1","7","10","9","8","6","1") = "9"
    & skf18("1","7","10","9","8","7","1") = "9"
    & skf18("1","7","10","9","8","8","1") = "9"
    & skf18("1","7","10","9","8","9","1") = "9"
    & skf18("1","7","10","9","8","10","1") = "9"
    & skf18("1","7","10","9","9","1","1") = "9"
    & skf18("1","7","10","9","9","2","1") = "9"
    & skf18("1","7","10","9","9","3","1") = "9"
    & skf18("1","7","10","9","9","4","1") = "9"
    & skf18("1","7","10","9","9","5","1") = "9"
    & skf18("1","7","10","9","9","6","1") = "9"
    & skf18("1","7","10","9","9","7","1") = "9"
    & skf18("1","7","10","9","9","8","1") = "9"
    & skf18("1","7","10","9","9","9","1") = "9"
    & skf18("1","7","10","9","9","10","1") = "9"
    & skf18("1","7","10","9","10","1","1") = "9"
    & skf18("1","7","10","9","10","2","1") = "9"
    & skf18("1","7","10","9","10","3","1") = "9"
    & skf18("1","7","10","9","10","4","1") = "9"
    & skf18("1","7","10","9","10","5","1") = "9"
    & skf18("1","7","10","9","10","6","1") = "9"
    & skf18("1","7","10","9","10","7","1") = "9"
    & skf18("1","7","10","9","10","8","1") = "9"
    & skf18("1","7","10","9","10","9","1") = "9"
    & skf18("1","7","10","9","10","10","1") = "9"
    & skf18("1","7","10","10","1","1","1") = "9"
    & skf18("1","7","10","10","1","2","1") = "9"
    & skf18("1","7","10","10","1","3","1") = "9"
    & skf18("1","7","10","10","1","4","1") = "9"
    & skf18("1","7","10","10","1","5","1") = "9"
    & skf18("1","7","10","10","1","6","1") = "9"
    & skf18("1","7","10","10","1","7","1") = "9"
    & skf18("1","7","10","10","1","8","1") = "9"
    & skf18("1","7","10","10","1","9","1") = "9"
    & skf18("1","7","10","10","1","10","1") = "9"
    & skf18("1","7","10","10","2","1","1") = "9"
    & skf18("1","7","10","10","2","2","1") = "9"
    & skf18("1","7","10","10","2","3","1") = "9"
    & skf18("1","7","10","10","2","4","1") = "9"
    & skf18("1","7","10","10","2","5","1") = "9"
    & skf18("1","7","10","10","2","6","1") = "9"
    & skf18("1","7","10","10","2","7","1") = "9"
    & skf18("1","7","10","10","2","8","1") = "9"
    & skf18("1","7","10","10","2","9","1") = "9"
    & skf18("1","7","10","10","2","10","1") = "9"
    & skf18("1","7","10","10","3","1","1") = "9"
    & skf18("1","7","10","10","3","2","1") = "9"
    & skf18("1","7","10","10","3","3","1") = "9"
    & skf18("1","7","10","10","3","4","1") = "9"
    & skf18("1","7","10","10","3","5","1") = "9"
    & skf18("1","7","10","10","3","6","1") = "9"
    & skf18("1","7","10","10","3","7","1") = "9"
    & skf18("1","7","10","10","3","8","1") = "9"
    & skf18("1","7","10","10","3","9","1") = "9"
    & skf18("1","7","10","10","3","10","1") = "9"
    & skf18("1","7","10","10","4","1","1") = "9"
    & skf18("1","7","10","10","4","2","1") = "9"
    & skf18("1","7","10","10","4","3","1") = "9"
    & skf18("1","7","10","10","4","4","1") = "9"
    & skf18("1","7","10","10","4","5","1") = "9"
    & skf18("1","7","10","10","4","6","1") = "9"
    & skf18("1","7","10","10","4","7","1") = "9"
    & skf18("1","7","10","10","4","8","1") = "9"
    & skf18("1","7","10","10","4","9","1") = "9"
    & skf18("1","7","10","10","4","10","1") = "9"
    & skf18("1","7","10","10","5","1","1") = "9"
    & skf18("1","7","10","10","5","2","1") = "9"
    & skf18("1","7","10","10","5","3","1") = "9"
    & skf18("1","7","10","10","5","4","1") = "9"
    & skf18("1","7","10","10","5","5","1") = "9"
    & skf18("1","7","10","10","5","6","1") = "9"
    & skf18("1","7","10","10","5","7","1") = "9"
    & skf18("1","7","10","10","5","8","1") = "9"
    & skf18("1","7","10","10","5","9","1") = "9"
    & skf18("1","7","10","10","5","10","1") = "9"
    & skf18("1","7","10","10","6","1","1") = "9"
    & skf18("1","7","10","10","6","2","1") = "9"
    & skf18("1","7","10","10","6","3","1") = "9"
    & skf18("1","7","10","10","6","4","1") = "9"
    & skf18("1","7","10","10","6","5","1") = "9"
    & skf18("1","7","10","10","6","6","1") = "9"
    & skf18("1","7","10","10","6","7","1") = "9"
    & skf18("1","7","10","10","6","8","1") = "9"
    & skf18("1","7","10","10","6","9","1") = "9"
    & skf18("1","7","10","10","6","10","1") = "9"
    & skf18("1","7","10","10","7","1","1") = "9"
    & skf18("1","7","10","10","7","2","1") = "9"
    & skf18("1","7","10","10","7","3","1") = "9"
    & skf18("1","7","10","10","7","4","1") = "9"
    & skf18("1","7","10","10","7","5","1") = "9"
    & skf18("1","7","10","10","7","6","1") = "9"
    & skf18("1","7","10","10","7","7","1") = "9"
    & skf18("1","7","10","10","7","8","1") = "9"
    & skf18("1","7","10","10","7","9","1") = "9"
    & skf18("1","7","10","10","7","10","1") = "9"
    & skf18("1","7","10","10","8","1","1") = "9"
    & skf18("1","7","10","10","8","2","1") = "9"
    & skf18("1","7","10","10","8","3","1") = "9"
    & skf18("1","7","10","10","8","4","1") = "9"
    & skf18("1","7","10","10","8","5","1") = "9"
    & skf18("1","7","10","10","8","6","1") = "9"
    & skf18("1","7","10","10","8","7","1") = "9"
    & skf18("1","7","10","10","8","8","1") = "9"
    & skf18("1","7","10","10","8","9","1") = "9"
    & skf18("1","7","10","10","8","10","1") = "9"
    & skf18("1","7","10","10","9","1","1") = "9"
    & skf18("1","7","10","10","9","2","1") = "9"
    & skf18("1","7","10","10","9","3","1") = "9"
    & skf18("1","7","10","10","9","4","1") = "9"
    & skf18("1","7","10","10","9","5","1") = "9"
    & skf18("1","7","10","10","9","6","1") = "9"
    & skf18("1","7","10","10","9","7","1") = "9"
    & skf18("1","7","10","10","9","8","1") = "9"
    & skf18("1","7","10","10","9","9","1") = "9"
    & skf18("1","7","10","10","9","10","1") = "9"
    & skf18("1","7","10","10","10","1","1") = "9"
    & skf18("1","7","10","10","10","2","1") = "9"
    & skf18("1","7","10","10","10","3","1") = "9"
    & skf18("1","7","10","10","10","4","1") = "9"
    & skf18("1","7","10","10","10","5","1") = "9"
    & skf18("1","7","10","10","10","6","1") = "9"
    & skf18("1","7","10","10","10","7","1") = "9"
    & skf18("1","7","10","10","10","8","1") = "9"
    & skf18("1","7","10","10","10","9","1") = "9"
    & skf18("1","7","10","10","10","10","1") = "9"
    & skf18("1","8","1","1","1","1","1") = "7"
    & skf18("1","8","1","1","1","2","1") = "7"
    & skf18("1","8","1","1","1","3","1") = "7"
    & skf18("1","8","1","1","1","4","1") = "7"
    & skf18("1","8","1","1","1","5","1") = "7"
    & skf18("1","8","1","1","1","6","1") = "7"
    & skf18("1","8","1","1","1","7","1") = "7"
    & skf18("1","8","1","1","1","8","1") = "7"
    & skf18("1","8","1","1","1","9","1") = "8"
    & skf18("1","8","1","1","1","10","1") = "9"
    & skf18("1","8","1","1","2","1","1") = "7"
    & skf18("1","8","1","1","2","2","1") = "7"
    & skf18("1","8","1","1","2","3","1") = "7"
    & skf18("1","8","1","1","2","4","1") = "7"
    & skf18("1","8","1","1","2","5","1") = "7"
    & skf18("1","8","1","1","2","6","1") = "7"
    & skf18("1","8","1","1","2","7","1") = "7"
    & skf18("1","8","1","1","2","8","1") = "7"
    & skf18("1","8","1","1","2","9","1") = "8"
    & skf18("1","8","1","1","2","10","1") = "9"
    & skf18("1","8","1","1","3","1","1") = "7"
    & skf18("1","8","1","1","3","2","1") = "7"
    & skf18("1","8","1","1","3","3","1") = "7"
    & skf18("1","8","1","1","3","4","1") = "7"
    & skf18("1","8","1","1","3","5","1") = "7"
    & skf18("1","8","1","1","3","6","1") = "7"
    & skf18("1","8","1","1","3","7","1") = "7"
    & skf18("1","8","1","1","3","8","1") = "7"
    & skf18("1","8","1","1","3","9","1") = "8"
    & skf18("1","8","1","1","3","10","1") = "9"
    & skf18("1","8","1","1","4","1","1") = "7"
    & skf18("1","8","1","1","4","2","1") = "7"
    & skf18("1","8","1","1","4","3","1") = "7"
    & skf18("1","8","1","1","4","4","1") = "7"
    & skf18("1","8","1","1","4","5","1") = "7"
    & skf18("1","8","1","1","4","6","1") = "7"
    & skf18("1","8","1","1","4","7","1") = "7"
    & skf18("1","8","1","1","4","8","1") = "7"
    & skf18("1","8","1","1","4","9","1") = "8"
    & skf18("1","8","1","1","4","10","1") = "9"
    & skf18("1","8","1","1","5","1","1") = "7"
    & skf18("1","8","1","1","5","2","1") = "7"
    & skf18("1","8","1","1","5","3","1") = "7"
    & skf18("1","8","1","1","5","4","1") = "7"
    & skf18("1","8","1","1","5","5","1") = "7"
    & skf18("1","8","1","1","5","6","1") = "7"
    & skf18("1","8","1","1","5","7","1") = "7"
    & skf18("1","8","1","1","5","8","1") = "7"
    & skf18("1","8","1","1","5","9","1") = "8"
    & skf18("1","8","1","1","5","10","1") = "9"
    & skf18("1","8","1","1","6","1","1") = "7"
    & skf18("1","8","1","1","6","2","1") = "7"
    & skf18("1","8","1","1","6","3","1") = "7"
    & skf18("1","8","1","1","6","4","1") = "7"
    & skf18("1","8","1","1","6","5","1") = "7"
    & skf18("1","8","1","1","6","6","1") = "7"
    & skf18("1","8","1","1","6","7","1") = "7"
    & skf18("1","8","1","1","6","8","1") = "7"
    & skf18("1","8","1","1","6","9","1") = "8"
    & skf18("1","8","1","1","6","10","1") = "9"
    & skf18("1","8","1","1","7","1","1") = "7"
    & skf18("1","8","1","1","7","2","1") = "7"
    & skf18("1","8","1","1","7","3","1") = "7"
    & skf18("1","8","1","1","7","4","1") = "7"
    & skf18("1","8","1","1","7","5","1") = "7"
    & skf18("1","8","1","1","7","6","1") = "7"
    & skf18("1","8","1","1","7","7","1") = "7"
    & skf18("1","8","1","1","7","8","1") = "7"
    & skf18("1","8","1","1","7","9","1") = "8"
    & skf18("1","8","1","1","7","10","1") = "9"
    & skf18("1","8","1","1","8","1","1") = "7"
    & skf18("1","8","1","1","8","2","1") = "7"
    & skf18("1","8","1","1","8","3","1") = "7"
    & skf18("1","8","1","1","8","4","1") = "7"
    & skf18("1","8","1","1","8","5","1") = "7"
    & skf18("1","8","1","1","8","6","1") = "7"
    & skf18("1","8","1","1","8","7","1") = "7"
    & skf18("1","8","1","1","8","8","1") = "7"
    & skf18("1","8","1","1","8","9","1") = "8"
    & skf18("1","8","1","1","8","10","1") = "9"
    & skf18("1","8","1","1","9","1","1") = "8"
    & skf18("1","8","1","1","9","2","1") = "8"
    & skf18("1","8","1","1","9","3","1") = "8"
    & skf18("1","8","1","1","9","4","1") = "8"
    & skf18("1","8","1","1","9","5","1") = "8"
    & skf18("1","8","1","1","9","6","1") = "8"
    & skf18("1","8","1","1","9","7","1") = "8"
    & skf18("1","8","1","1","9","8","1") = "8"
    & skf18("1","8","1","1","9","9","1") = "8"
    & skf18("1","8","1","1","9","10","1") = "9"
    & skf18("1","8","1","1","10","1","1") = "9"
    & skf18("1","8","1","1","10","2","1") = "9"
    & skf18("1","8","1","1","10","3","1") = "9"
    & skf18("1","8","1","1","10","4","1") = "9"
    & skf18("1","8","1","1","10","5","1") = "9"
    & skf18("1","8","1","1","10","6","1") = "9"
    & skf18("1","8","1","1","10","7","1") = "9"
    & skf18("1","8","1","1","10","8","1") = "9"
    & skf18("1","8","1","1","10","9","1") = "9"
    & skf18("1","8","1","1","10","10","1") = "9"
    & skf18("1","8","1","2","1","1","1") = "7"
    & skf18("1","8","1","2","1","2","1") = "7"
    & skf18("1","8","1","2","1","3","1") = "7"
    & skf18("1","8","1","2","1","4","1") = "7"
    & skf18("1","8","1","2","1","5","1") = "7"
    & skf18("1","8","1","2","1","6","1") = "7"
    & skf18("1","8","1","2","1","7","1") = "7"
    & skf18("1","8","1","2","1","8","1") = "7"
    & skf18("1","8","1","2","1","9","1") = "8"
    & skf18("1","8","1","2","1","10","1") = "9"
    & skf18("1","8","1","2","2","1","1") = "7"
    & skf18("1","8","1","2","2","2","1") = "7"
    & skf18("1","8","1","2","2","3","1") = "7"
    & skf18("1","8","1","2","2","4","1") = "7"
    & skf18("1","8","1","2","2","5","1") = "7"
    & skf18("1","8","1","2","2","6","1") = "7"
    & skf18("1","8","1","2","2","7","1") = "7"
    & skf18("1","8","1","2","2","8","1") = "7"
    & skf18("1","8","1","2","2","9","1") = "8"
    & skf18("1","8","1","2","2","10","1") = "9"
    & skf18("1","8","1","2","3","1","1") = "7"
    & skf18("1","8","1","2","3","2","1") = "7"
    & skf18("1","8","1","2","3","3","1") = "7"
    & skf18("1","8","1","2","3","4","1") = "7"
    & skf18("1","8","1","2","3","5","1") = "7"
    & skf18("1","8","1","2","3","6","1") = "7"
    & skf18("1","8","1","2","3","7","1") = "7"
    & skf18("1","8","1","2","3","8","1") = "7"
    & skf18("1","8","1","2","3","9","1") = "8"
    & skf18("1","8","1","2","3","10","1") = "9"
    & skf18("1","8","1","2","4","1","1") = "7"
    & skf18("1","8","1","2","4","2","1") = "7"
    & skf18("1","8","1","2","4","3","1") = "7"
    & skf18("1","8","1","2","4","4","1") = "7"
    & skf18("1","8","1","2","4","5","1") = "7"
    & skf18("1","8","1","2","4","6","1") = "7"
    & skf18("1","8","1","2","4","7","1") = "7"
    & skf18("1","8","1","2","4","8","1") = "7"
    & skf18("1","8","1","2","4","9","1") = "8"
    & skf18("1","8","1","2","4","10","1") = "9"
    & skf18("1","8","1","2","5","1","1") = "7"
    & skf18("1","8","1","2","5","2","1") = "7"
    & skf18("1","8","1","2","5","3","1") = "7"
    & skf18("1","8","1","2","5","4","1") = "7"
    & skf18("1","8","1","2","5","5","1") = "7"
    & skf18("1","8","1","2","5","6","1") = "7"
    & skf18("1","8","1","2","5","7","1") = "7"
    & skf18("1","8","1","2","5","8","1") = "7"
    & skf18("1","8","1","2","5","9","1") = "8"
    & skf18("1","8","1","2","5","10","1") = "9"
    & skf18("1","8","1","2","6","1","1") = "7"
    & skf18("1","8","1","2","6","2","1") = "7"
    & skf18("1","8","1","2","6","3","1") = "7"
    & skf18("1","8","1","2","6","4","1") = "7"
    & skf18("1","8","1","2","6","5","1") = "7"
    & skf18("1","8","1","2","6","6","1") = "7"
    & skf18("1","8","1","2","6","7","1") = "7"
    & skf18("1","8","1","2","6","8","1") = "7"
    & skf18("1","8","1","2","6","9","1") = "8"
    & skf18("1","8","1","2","6","10","1") = "9"
    & skf18("1","8","1","2","7","1","1") = "7"
    & skf18("1","8","1","2","7","2","1") = "7"
    & skf18("1","8","1","2","7","3","1") = "7"
    & skf18("1","8","1","2","7","4","1") = "7"
    & skf18("1","8","1","2","7","5","1") = "7"
    & skf18("1","8","1","2","7","6","1") = "7"
    & skf18("1","8","1","2","7","7","1") = "7"
    & skf18("1","8","1","2","7","8","1") = "7"
    & skf18("1","8","1","2","7","9","1") = "8"
    & skf18("1","8","1","2","7","10","1") = "9"
    & skf18("1","8","1","2","8","1","1") = "7"
    & skf18("1","8","1","2","8","2","1") = "7"
    & skf18("1","8","1","2","8","3","1") = "7"
    & skf18("1","8","1","2","8","4","1") = "7"
    & skf18("1","8","1","2","8","5","1") = "7"
    & skf18("1","8","1","2","8","6","1") = "7"
    & skf18("1","8","1","2","8","7","1") = "7"
    & skf18("1","8","1","2","8","8","1") = "7"
    & skf18("1","8","1","2","8","9","1") = "8"
    & skf18("1","8","1","2","8","10","1") = "9"
    & skf18("1","8","1","2","9","1","1") = "8"
    & skf18("1","8","1","2","9","2","1") = "8"
    & skf18("1","8","1","2","9","3","1") = "8"
    & skf18("1","8","1","2","9","4","1") = "8"
    & skf18("1","8","1","2","9","5","1") = "8"
    & skf18("1","8","1","2","9","6","1") = "8"
    & skf18("1","8","1","2","9","7","1") = "8"
    & skf18("1","8","1","2","9","8","1") = "8"
    & skf18("1","8","1","2","9","9","1") = "8"
    & skf18("1","8","1","2","9","10","1") = "9"
    & skf18("1","8","1","2","10","1","1") = "9"
    & skf18("1","8","1","2","10","2","1") = "9"
    & skf18("1","8","1","2","10","3","1") = "9"
    & skf18("1","8","1","2","10","4","1") = "9"
    & skf18("1","8","1","2","10","5","1") = "9"
    & skf18("1","8","1","2","10","6","1") = "9"
    & skf18("1","8","1","2","10","7","1") = "9"
    & skf18("1","8","1","2","10","8","1") = "9"
    & skf18("1","8","1","2","10","9","1") = "9"
    & skf18("1","8","1","2","10","10","1") = "9"
    & skf18("1","8","1","3","1","1","1") = "7"
    & skf18("1","8","1","3","1","2","1") = "7"
    & skf18("1","8","1","3","1","3","1") = "7"
    & skf18("1","8","1","3","1","4","1") = "7"
    & skf18("1","8","1","3","1","5","1") = "7"
    & skf18("1","8","1","3","1","6","1") = "7"
    & skf18("1","8","1","3","1","7","1") = "7"
    & skf18("1","8","1","3","1","8","1") = "7"
    & skf18("1","8","1","3","1","9","1") = "8"
    & skf18("1","8","1","3","1","10","1") = "9"
    & skf18("1","8","1","3","2","1","1") = "7"
    & skf18("1","8","1","3","2","2","1") = "7"
    & skf18("1","8","1","3","2","3","1") = "7"
    & skf18("1","8","1","3","2","4","1") = "7"
    & skf18("1","8","1","3","2","5","1") = "7"
    & skf18("1","8","1","3","2","6","1") = "7"
    & skf18("1","8","1","3","2","7","1") = "7"
    & skf18("1","8","1","3","2","8","1") = "7"
    & skf18("1","8","1","3","2","9","1") = "8"
    & skf18("1","8","1","3","2","10","1") = "9"
    & skf18("1","8","1","3","3","1","1") = "7"
    & skf18("1","8","1","3","3","2","1") = "7"
    & skf18("1","8","1","3","3","3","1") = "7"
    & skf18("1","8","1","3","3","4","1") = "7"
    & skf18("1","8","1","3","3","5","1") = "7"
    & skf18("1","8","1","3","3","6","1") = "7"
    & skf18("1","8","1","3","3","7","1") = "7"
    & skf18("1","8","1","3","3","8","1") = "7"
    & skf18("1","8","1","3","3","9","1") = "8"
    & skf18("1","8","1","3","3","10","1") = "9"
    & skf18("1","8","1","3","4","1","1") = "7"
    & skf18("1","8","1","3","4","2","1") = "7"
    & skf18("1","8","1","3","4","3","1") = "7"
    & skf18("1","8","1","3","4","4","1") = "7"
    & skf18("1","8","1","3","4","5","1") = "7"
    & skf18("1","8","1","3","4","6","1") = "7"
    & skf18("1","8","1","3","4","7","1") = "7"
    & skf18("1","8","1","3","4","8","1") = "7"
    & skf18("1","8","1","3","4","9","1") = "8"
    & skf18("1","8","1","3","4","10","1") = "9"
    & skf18("1","8","1","3","5","1","1") = "7"
    & skf18("1","8","1","3","5","2","1") = "7"
    & skf18("1","8","1","3","5","3","1") = "7"
    & skf18("1","8","1","3","5","4","1") = "7"
    & skf18("1","8","1","3","5","5","1") = "7"
    & skf18("1","8","1","3","5","6","1") = "7"
    & skf18("1","8","1","3","5","7","1") = "7"
    & skf18("1","8","1","3","5","8","1") = "7"
    & skf18("1","8","1","3","5","9","1") = "8"
    & skf18("1","8","1","3","5","10","1") = "9"
    & skf18("1","8","1","3","6","1","1") = "7"
    & skf18("1","8","1","3","6","2","1") = "7"
    & skf18("1","8","1","3","6","3","1") = "7"
    & skf18("1","8","1","3","6","4","1") = "7"
    & skf18("1","8","1","3","6","5","1") = "7"
    & skf18("1","8","1","3","6","6","1") = "7"
    & skf18("1","8","1","3","6","7","1") = "7"
    & skf18("1","8","1","3","6","8","1") = "7"
    & skf18("1","8","1","3","6","9","1") = "8"
    & skf18("1","8","1","3","6","10","1") = "9"
    & skf18("1","8","1","3","7","1","1") = "7"
    & skf18("1","8","1","3","7","2","1") = "7"
    & skf18("1","8","1","3","7","3","1") = "7"
    & skf18("1","8","1","3","7","4","1") = "7"
    & skf18("1","8","1","3","7","5","1") = "7"
    & skf18("1","8","1","3","7","6","1") = "7"
    & skf18("1","8","1","3","7","7","1") = "7"
    & skf18("1","8","1","3","7","8","1") = "7"
    & skf18("1","8","1","3","7","9","1") = "8"
    & skf18("1","8","1","3","7","10","1") = "9"
    & skf18("1","8","1","3","8","1","1") = "7"
    & skf18("1","8","1","3","8","2","1") = "7"
    & skf18("1","8","1","3","8","3","1") = "7"
    & skf18("1","8","1","3","8","4","1") = "7"
    & skf18("1","8","1","3","8","5","1") = "7"
    & skf18("1","8","1","3","8","6","1") = "7"
    & skf18("1","8","1","3","8","7","1") = "7"
    & skf18("1","8","1","3","8","8","1") = "7"
    & skf18("1","8","1","3","8","9","1") = "8"
    & skf18("1","8","1","3","8","10","1") = "9"
    & skf18("1","8","1","3","9","1","1") = "8"
    & skf18("1","8","1","3","9","2","1") = "8"
    & skf18("1","8","1","3","9","3","1") = "8"
    & skf18("1","8","1","3","9","4","1") = "8"
    & skf18("1","8","1","3","9","5","1") = "8"
    & skf18("1","8","1","3","9","6","1") = "8"
    & skf18("1","8","1","3","9","7","1") = "8"
    & skf18("1","8","1","3","9","8","1") = "8"
    & skf18("1","8","1","3","9","9","1") = "8"
    & skf18("1","8","1","3","9","10","1") = "9"
    & skf18("1","8","1","3","10","1","1") = "9"
    & skf18("1","8","1","3","10","2","1") = "9"
    & skf18("1","8","1","3","10","3","1") = "9"
    & skf18("1","8","1","3","10","4","1") = "9"
    & skf18("1","8","1","3","10","5","1") = "9"
    & skf18("1","8","1","3","10","6","1") = "9"
    & skf18("1","8","1","3","10","7","1") = "9"
    & skf18("1","8","1","3","10","8","1") = "9"
    & skf18("1","8","1","3","10","9","1") = "9"
    & skf18("1","8","1","3","10","10","1") = "9"
    & skf18("1","8","1","4","1","1","1") = "7"
    & skf18("1","8","1","4","1","2","1") = "7"
    & skf18("1","8","1","4","1","3","1") = "7"
    & skf18("1","8","1","4","1","4","1") = "7"
    & skf18("1","8","1","4","1","5","1") = "7"
    & skf18("1","8","1","4","1","6","1") = "7"
    & skf18("1","8","1","4","1","7","1") = "7"
    & skf18("1","8","1","4","1","8","1") = "7"
    & skf18("1","8","1","4","1","9","1") = "8"
    & skf18("1","8","1","4","1","10","1") = "9"
    & skf18("1","8","1","4","2","1","1") = "7"
    & skf18("1","8","1","4","2","2","1") = "7"
    & skf18("1","8","1","4","2","3","1") = "7"
    & skf18("1","8","1","4","2","4","1") = "7"
    & skf18("1","8","1","4","2","5","1") = "7"
    & skf18("1","8","1","4","2","6","1") = "7"
    & skf18("1","8","1","4","2","7","1") = "7"
    & skf18("1","8","1","4","2","8","1") = "7"
    & skf18("1","8","1","4","2","9","1") = "8"
    & skf18("1","8","1","4","2","10","1") = "9"
    & skf18("1","8","1","4","3","1","1") = "7"
    & skf18("1","8","1","4","3","2","1") = "7"
    & skf18("1","8","1","4","3","3","1") = "7"
    & skf18("1","8","1","4","3","4","1") = "7"
    & skf18("1","8","1","4","3","5","1") = "7"
    & skf18("1","8","1","4","3","6","1") = "7"
    & skf18("1","8","1","4","3","7","1") = "7"
    & skf18("1","8","1","4","3","8","1") = "7"
    & skf18("1","8","1","4","3","9","1") = "8"
    & skf18("1","8","1","4","3","10","1") = "9"
    & skf18("1","8","1","4","4","1","1") = "7"
    & skf18("1","8","1","4","4","2","1") = "7"
    & skf18("1","8","1","4","4","3","1") = "7"
    & skf18("1","8","1","4","4","4","1") = "7"
    & skf18("1","8","1","4","4","5","1") = "7"
    & skf18("1","8","1","4","4","6","1") = "7"
    & skf18("1","8","1","4","4","7","1") = "7"
    & skf18("1","8","1","4","4","8","1") = "7"
    & skf18("1","8","1","4","4","9","1") = "8"
    & skf18("1","8","1","4","4","10","1") = "9"
    & skf18("1","8","1","4","5","1","1") = "7"
    & skf18("1","8","1","4","5","2","1") = "7"
    & skf18("1","8","1","4","5","3","1") = "7"
    & skf18("1","8","1","4","5","4","1") = "7"
    & skf18("1","8","1","4","5","5","1") = "7"
    & skf18("1","8","1","4","5","6","1") = "7"
    & skf18("1","8","1","4","5","7","1") = "7"
    & skf18("1","8","1","4","5","8","1") = "7"
    & skf18("1","8","1","4","5","9","1") = "8"
    & skf18("1","8","1","4","5","10","1") = "9"
    & skf18("1","8","1","4","6","1","1") = "7"
    & skf18("1","8","1","4","6","2","1") = "7"
    & skf18("1","8","1","4","6","3","1") = "7"
    & skf18("1","8","1","4","6","4","1") = "7"
    & skf18("1","8","1","4","6","5","1") = "7"
    & skf18("1","8","1","4","6","6","1") = "7"
    & skf18("1","8","1","4","6","7","1") = "7"
    & skf18("1","8","1","4","6","8","1") = "7"
    & skf18("1","8","1","4","6","9","1") = "8"
    & skf18("1","8","1","4","6","10","1") = "9"
    & skf18("1","8","1","4","7","1","1") = "7"
    & skf18("1","8","1","4","7","2","1") = "7"
    & skf18("1","8","1","4","7","3","1") = "7"
    & skf18("1","8","1","4","7","4","1") = "7"
    & skf18("1","8","1","4","7","5","1") = "7"
    & skf18("1","8","1","4","7","6","1") = "7"
    & skf18("1","8","1","4","7","7","1") = "7"
    & skf18("1","8","1","4","7","8","1") = "7"
    & skf18("1","8","1","4","7","9","1") = "8"
    & skf18("1","8","1","4","7","10","1") = "9"
    & skf18("1","8","1","4","8","1","1") = "7"
    & skf18("1","8","1","4","8","2","1") = "7"
    & skf18("1","8","1","4","8","3","1") = "7"
    & skf18("1","8","1","4","8","4","1") = "7"
    & skf18("1","8","1","4","8","5","1") = "7"
    & skf18("1","8","1","4","8","6","1") = "7"
    & skf18("1","8","1","4","8","7","1") = "7"
    & skf18("1","8","1","4","8","8","1") = "7"
    & skf18("1","8","1","4","8","9","1") = "8"
    & skf18("1","8","1","4","8","10","1") = "9"
    & skf18("1","8","1","4","9","1","1") = "8"
    & skf18("1","8","1","4","9","2","1") = "8"
    & skf18("1","8","1","4","9","3","1") = "8"
    & skf18("1","8","1","4","9","4","1") = "8"
    & skf18("1","8","1","4","9","5","1") = "8"
    & skf18("1","8","1","4","9","6","1") = "8"
    & skf18("1","8","1","4","9","7","1") = "8"
    & skf18("1","8","1","4","9","8","1") = "8"
    & skf18("1","8","1","4","9","9","1") = "8"
    & skf18("1","8","1","4","9","10","1") = "9"
    & skf18("1","8","1","4","10","1","1") = "9"
    & skf18("1","8","1","4","10","2","1") = "9"
    & skf18("1","8","1","4","10","3","1") = "9"
    & skf18("1","8","1","4","10","4","1") = "9"
    & skf18("1","8","1","4","10","5","1") = "9"
    & skf18("1","8","1","4","10","6","1") = "9"
    & skf18("1","8","1","4","10","7","1") = "9"
    & skf18("1","8","1","4","10","8","1") = "9"
    & skf18("1","8","1","4","10","9","1") = "9"
    & skf18("1","8","1","4","10","10","1") = "9"
    & skf18("1","8","1","5","1","1","1") = "7"
    & skf18("1","8","1","5","1","2","1") = "7"
    & skf18("1","8","1","5","1","3","1") = "7"
    & skf18("1","8","1","5","1","4","1") = "7"
    & skf18("1","8","1","5","1","5","1") = "7"
    & skf18("1","8","1","5","1","6","1") = "7"
    & skf18("1","8","1","5","1","7","1") = "7"
    & skf18("1","8","1","5","1","8","1") = "7"
    & skf18("1","8","1","5","1","9","1") = "8"
    & skf18("1","8","1","5","1","10","1") = "9"
    & skf18("1","8","1","5","2","1","1") = "7"
    & skf18("1","8","1","5","2","2","1") = "7"
    & skf18("1","8","1","5","2","3","1") = "7"
    & skf18("1","8","1","5","2","4","1") = "7"
    & skf18("1","8","1","5","2","5","1") = "7"
    & skf18("1","8","1","5","2","6","1") = "7"
    & skf18("1","8","1","5","2","7","1") = "7"
    & skf18("1","8","1","5","2","8","1") = "7"
    & skf18("1","8","1","5","2","9","1") = "8"
    & skf18("1","8","1","5","2","10","1") = "9"
    & skf18("1","8","1","5","3","1","1") = "7"
    & skf18("1","8","1","5","3","2","1") = "7"
    & skf18("1","8","1","5","3","3","1") = "7"
    & skf18("1","8","1","5","3","4","1") = "7"
    & skf18("1","8","1","5","3","5","1") = "7"
    & skf18("1","8","1","5","3","6","1") = "7"
    & skf18("1","8","1","5","3","7","1") = "7"
    & skf18("1","8","1","5","3","8","1") = "7"
    & skf18("1","8","1","5","3","9","1") = "8"
    & skf18("1","8","1","5","3","10","1") = "9"
    & skf18("1","8","1","5","4","1","1") = "7"
    & skf18("1","8","1","5","4","2","1") = "7"
    & skf18("1","8","1","5","4","3","1") = "7"
    & skf18("1","8","1","5","4","4","1") = "7"
    & skf18("1","8","1","5","4","5","1") = "7"
    & skf18("1","8","1","5","4","6","1") = "7"
    & skf18("1","8","1","5","4","7","1") = "7"
    & skf18("1","8","1","5","4","8","1") = "7"
    & skf18("1","8","1","5","4","9","1") = "8"
    & skf18("1","8","1","5","4","10","1") = "9"
    & skf18("1","8","1","5","5","1","1") = "7"
    & skf18("1","8","1","5","5","2","1") = "7"
    & skf18("1","8","1","5","5","3","1") = "7"
    & skf18("1","8","1","5","5","4","1") = "7"
    & skf18("1","8","1","5","5","5","1") = "7"
    & skf18("1","8","1","5","5","6","1") = "7"
    & skf18("1","8","1","5","5","7","1") = "7"
    & skf18("1","8","1","5","5","8","1") = "7"
    & skf18("1","8","1","5","5","9","1") = "8"
    & skf18("1","8","1","5","5","10","1") = "9"
    & skf18("1","8","1","5","6","1","1") = "7"
    & skf18("1","8","1","5","6","2","1") = "7"
    & skf18("1","8","1","5","6","3","1") = "7"
    & skf18("1","8","1","5","6","4","1") = "7"
    & skf18("1","8","1","5","6","5","1") = "7"
    & skf18("1","8","1","5","6","6","1") = "7"
    & skf18("1","8","1","5","6","7","1") = "7"
    & skf18("1","8","1","5","6","8","1") = "7"
    & skf18("1","8","1","5","6","9","1") = "8"
    & skf18("1","8","1","5","6","10","1") = "9"
    & skf18("1","8","1","5","7","1","1") = "7"
    & skf18("1","8","1","5","7","2","1") = "7"
    & skf18("1","8","1","5","7","3","1") = "7"
    & skf18("1","8","1","5","7","4","1") = "7"
    & skf18("1","8","1","5","7","5","1") = "7"
    & skf18("1","8","1","5","7","6","1") = "7"
    & skf18("1","8","1","5","7","7","1") = "7"
    & skf18("1","8","1","5","7","8","1") = "7"
    & skf18("1","8","1","5","7","9","1") = "8"
    & skf18("1","8","1","5","7","10","1") = "9"
    & skf18("1","8","1","5","8","1","1") = "7"
    & skf18("1","8","1","5","8","2","1") = "7"
    & skf18("1","8","1","5","8","3","1") = "7"
    & skf18("1","8","1","5","8","4","1") = "7"
    & skf18("1","8","1","5","8","5","1") = "7"
    & skf18("1","8","1","5","8","6","1") = "7"
    & skf18("1","8","1","5","8","7","1") = "7"
    & skf18("1","8","1","5","8","8","1") = "7"
    & skf18("1","8","1","5","8","9","1") = "8"
    & skf18("1","8","1","5","8","10","1") = "9"
    & skf18("1","8","1","5","9","1","1") = "8"
    & skf18("1","8","1","5","9","2","1") = "8"
    & skf18("1","8","1","5","9","3","1") = "8"
    & skf18("1","8","1","5","9","4","1") = "8"
    & skf18("1","8","1","5","9","5","1") = "8"
    & skf18("1","8","1","5","9","6","1") = "8"
    & skf18("1","8","1","5","9","7","1") = "8"
    & skf18("1","8","1","5","9","8","1") = "8"
    & skf18("1","8","1","5","9","9","1") = "8"
    & skf18("1","8","1","5","9","10","1") = "9"
    & skf18("1","8","1","5","10","1","1") = "9"
    & skf18("1","8","1","5","10","2","1") = "9"
    & skf18("1","8","1","5","10","3","1") = "9"
    & skf18("1","8","1","5","10","4","1") = "9"
    & skf18("1","8","1","5","10","5","1") = "9"
    & skf18("1","8","1","5","10","6","1") = "9"
    & skf18("1","8","1","5","10","7","1") = "9"
    & skf18("1","8","1","5","10","8","1") = "9"
    & skf18("1","8","1","5","10","9","1") = "9"
    & skf18("1","8","1","5","10","10","1") = "9"
    & skf18("1","8","1","6","1","1","1") = "7"
    & skf18("1","8","1","6","1","2","1") = "7"
    & skf18("1","8","1","6","1","3","1") = "7"
    & skf18("1","8","1","6","1","4","1") = "7"
    & skf18("1","8","1","6","1","5","1") = "7"
    & skf18("1","8","1","6","1","6","1") = "7"
    & skf18("1","8","1","6","1","7","1") = "7"
    & skf18("1","8","1","6","1","8","1") = "7"
    & skf18("1","8","1","6","1","9","1") = "8"
    & skf18("1","8","1","6","1","10","1") = "9"
    & skf18("1","8","1","6","2","1","1") = "7"
    & skf18("1","8","1","6","2","2","1") = "7"
    & skf18("1","8","1","6","2","3","1") = "7"
    & skf18("1","8","1","6","2","4","1") = "7"
    & skf18("1","8","1","6","2","5","1") = "7"
    & skf18("1","8","1","6","2","6","1") = "7"
    & skf18("1","8","1","6","2","7","1") = "7"
    & skf18("1","8","1","6","2","8","1") = "7"
    & skf18("1","8","1","6","2","9","1") = "8"
    & skf18("1","8","1","6","2","10","1") = "9"
    & skf18("1","8","1","6","3","1","1") = "7"
    & skf18("1","8","1","6","3","2","1") = "7"
    & skf18("1","8","1","6","3","3","1") = "7"
    & skf18("1","8","1","6","3","4","1") = "7"
    & skf18("1","8","1","6","3","5","1") = "7"
    & skf18("1","8","1","6","3","6","1") = "7"
    & skf18("1","8","1","6","3","7","1") = "7"
    & skf18("1","8","1","6","3","8","1") = "7"
    & skf18("1","8","1","6","3","9","1") = "8"
    & skf18("1","8","1","6","3","10","1") = "9"
    & skf18("1","8","1","6","4","1","1") = "7"
    & skf18("1","8","1","6","4","2","1") = "7"
    & skf18("1","8","1","6","4","3","1") = "7"
    & skf18("1","8","1","6","4","4","1") = "7"
    & skf18("1","8","1","6","4","5","1") = "7"
    & skf18("1","8","1","6","4","6","1") = "7"
    & skf18("1","8","1","6","4","7","1") = "7"
    & skf18("1","8","1","6","4","8","1") = "7"
    & skf18("1","8","1","6","4","9","1") = "8"
    & skf18("1","8","1","6","4","10","1") = "9"
    & skf18("1","8","1","6","5","1","1") = "7"
    & skf18("1","8","1","6","5","2","1") = "7"
    & skf18("1","8","1","6","5","3","1") = "7"
    & skf18("1","8","1","6","5","4","1") = "7"
    & skf18("1","8","1","6","5","5","1") = "7"
    & skf18("1","8","1","6","5","6","1") = "7"
    & skf18("1","8","1","6","5","7","1") = "7"
    & skf18("1","8","1","6","5","8","1") = "7"
    & skf18("1","8","1","6","5","9","1") = "8"
    & skf18("1","8","1","6","5","10","1") = "9"
    & skf18("1","8","1","6","6","1","1") = "7"
    & skf18("1","8","1","6","6","2","1") = "7"
    & skf18("1","8","1","6","6","3","1") = "7"
    & skf18("1","8","1","6","6","4","1") = "7"
    & skf18("1","8","1","6","6","5","1") = "7"
    & skf18("1","8","1","6","6","6","1") = "7"
    & skf18("1","8","1","6","6","7","1") = "7"
    & skf18("1","8","1","6","6","8","1") = "7"
    & skf18("1","8","1","6","6","9","1") = "8"
    & skf18("1","8","1","6","6","10","1") = "9"
    & skf18("1","8","1","6","7","1","1") = "7"
    & skf18("1","8","1","6","7","2","1") = "7"
    & skf18("1","8","1","6","7","3","1") = "7"
    & skf18("1","8","1","6","7","4","1") = "7"
    & skf18("1","8","1","6","7","5","1") = "7"
    & skf18("1","8","1","6","7","6","1") = "7"
    & skf18("1","8","1","6","7","7","1") = "7"
    & skf18("1","8","1","6","7","8","1") = "7"
    & skf18("1","8","1","6","7","9","1") = "8"
    & skf18("1","8","1","6","7","10","1") = "9"
    & skf18("1","8","1","6","8","1","1") = "7"
    & skf18("1","8","1","6","8","2","1") = "7"
    & skf18("1","8","1","6","8","3","1") = "7"
    & skf18("1","8","1","6","8","4","1") = "7"
    & skf18("1","8","1","6","8","5","1") = "7"
    & skf18("1","8","1","6","8","6","1") = "7"
    & skf18("1","8","1","6","8","7","1") = "7"
    & skf18("1","8","1","6","8","8","1") = "7"
    & skf18("1","8","1","6","8","9","1") = "8"
    & skf18("1","8","1","6","8","10","1") = "9"
    & skf18("1","8","1","6","9","1","1") = "8"
    & skf18("1","8","1","6","9","2","1") = "8"
    & skf18("1","8","1","6","9","3","1") = "8"
    & skf18("1","8","1","6","9","4","1") = "8"
    & skf18("1","8","1","6","9","5","1") = "8"
    & skf18("1","8","1","6","9","6","1") = "8"
    & skf18("1","8","1","6","9","7","1") = "8"
    & skf18("1","8","1","6","9","8","1") = "8"
    & skf18("1","8","1","6","9","9","1") = "8"
    & skf18("1","8","1","6","9","10","1") = "9"
    & skf18("1","8","1","6","10","1","1") = "9"
    & skf18("1","8","1","6","10","2","1") = "9"
    & skf18("1","8","1","6","10","3","1") = "9"
    & skf18("1","8","1","6","10","4","1") = "9"
    & skf18("1","8","1","6","10","5","1") = "9"
    & skf18("1","8","1","6","10","6","1") = "9"
    & skf18("1","8","1","6","10","7","1") = "9"
    & skf18("1","8","1","6","10","8","1") = "9"
    & skf18("1","8","1","6","10","9","1") = "9"
    & skf18("1","8","1","6","10","10","1") = "9"
    & skf18("1","8","1","7","1","1","1") = "7"
    & skf18("1","8","1","7","1","2","1") = "7"
    & skf18("1","8","1","7","1","3","1") = "7"
    & skf18("1","8","1","7","1","4","1") = "7"
    & skf18("1","8","1","7","1","5","1") = "7"
    & skf18("1","8","1","7","1","6","1") = "7"
    & skf18("1","8","1","7","1","7","1") = "7"
    & skf18("1","8","1","7","1","8","1") = "7"
    & skf18("1","8","1","7","1","9","1") = "8"
    & skf18("1","8","1","7","1","10","1") = "9"
    & skf18("1","8","1","7","2","1","1") = "7"
    & skf18("1","8","1","7","2","2","1") = "7"
    & skf18("1","8","1","7","2","3","1") = "7"
    & skf18("1","8","1","7","2","4","1") = "7"
    & skf18("1","8","1","7","2","5","1") = "7"
    & skf18("1","8","1","7","2","6","1") = "7"
    & skf18("1","8","1","7","2","7","1") = "7"
    & skf18("1","8","1","7","2","8","1") = "7"
    & skf18("1","8","1","7","2","9","1") = "8"
    & skf18("1","8","1","7","2","10","1") = "9"
    & skf18("1","8","1","7","3","1","1") = "7"
    & skf18("1","8","1","7","3","2","1") = "7"
    & skf18("1","8","1","7","3","3","1") = "7"
    & skf18("1","8","1","7","3","4","1") = "7"
    & skf18("1","8","1","7","3","5","1") = "7"
    & skf18("1","8","1","7","3","6","1") = "7"
    & skf18("1","8","1","7","3","7","1") = "7"
    & skf18("1","8","1","7","3","8","1") = "7"
    & skf18("1","8","1","7","3","9","1") = "8"
    & skf18("1","8","1","7","3","10","1") = "9"
    & skf18("1","8","1","7","4","1","1") = "7"
    & skf18("1","8","1","7","4","2","1") = "7"
    & skf18("1","8","1","7","4","3","1") = "7"
    & skf18("1","8","1","7","4","4","1") = "7"
    & skf18("1","8","1","7","4","5","1") = "7"
    & skf18("1","8","1","7","4","6","1") = "7"
    & skf18("1","8","1","7","4","7","1") = "7"
    & skf18("1","8","1","7","4","8","1") = "7"
    & skf18("1","8","1","7","4","9","1") = "8"
    & skf18("1","8","1","7","4","10","1") = "9"
    & skf18("1","8","1","7","5","1","1") = "7"
    & skf18("1","8","1","7","5","2","1") = "7"
    & skf18("1","8","1","7","5","3","1") = "7"
    & skf18("1","8","1","7","5","4","1") = "7"
    & skf18("1","8","1","7","5","5","1") = "7"
    & skf18("1","8","1","7","5","6","1") = "7"
    & skf18("1","8","1","7","5","7","1") = "7"
    & skf18("1","8","1","7","5","8","1") = "7"
    & skf18("1","8","1","7","5","9","1") = "8"
    & skf18("1","8","1","7","5","10","1") = "9"
    & skf18("1","8","1","7","6","1","1") = "7"
    & skf18("1","8","1","7","6","2","1") = "7"
    & skf18("1","8","1","7","6","3","1") = "7"
    & skf18("1","8","1","7","6","4","1") = "7"
    & skf18("1","8","1","7","6","5","1") = "7"
    & skf18("1","8","1","7","6","6","1") = "7"
    & skf18("1","8","1","7","6","7","1") = "7"
    & skf18("1","8","1","7","6","8","1") = "7"
    & skf18("1","8","1","7","6","9","1") = "8"
    & skf18("1","8","1","7","6","10","1") = "9"
    & skf18("1","8","1","7","7","1","1") = "7"
    & skf18("1","8","1","7","7","2","1") = "7"
    & skf18("1","8","1","7","7","3","1") = "7"
    & skf18("1","8","1","7","7","4","1") = "7"
    & skf18("1","8","1","7","7","5","1") = "7"
    & skf18("1","8","1","7","7","6","1") = "7"
    & skf18("1","8","1","7","7","7","1") = "7"
    & skf18("1","8","1","7","7","8","1") = "7"
    & skf18("1","8","1","7","7","9","1") = "8"
    & skf18("1","8","1","7","7","10","1") = "9"
    & skf18("1","8","1","7","8","1","1") = "7"
    & skf18("1","8","1","7","8","2","1") = "7"
    & skf18("1","8","1","7","8","3","1") = "7"
    & skf18("1","8","1","7","8","4","1") = "7"
    & skf18("1","8","1","7","8","5","1") = "7"
    & skf18("1","8","1","7","8","6","1") = "7"
    & skf18("1","8","1","7","8","7","1") = "7"
    & skf18("1","8","1","7","8","8","1") = "7"
    & skf18("1","8","1","7","8","9","1") = "8"
    & skf18("1","8","1","7","8","10","1") = "9"
    & skf18("1","8","1","7","9","1","1") = "8"
    & skf18("1","8","1","7","9","2","1") = "8"
    & skf18("1","8","1","7","9","3","1") = "8"
    & skf18("1","8","1","7","9","4","1") = "8"
    & skf18("1","8","1","7","9","5","1") = "8"
    & skf18("1","8","1","7","9","6","1") = "8"
    & skf18("1","8","1","7","9","7","1") = "8"
    & skf18("1","8","1","7","9","8","1") = "8"
    & skf18("1","8","1","7","9","9","1") = "8"
    & skf18("1","8","1","7","9","10","1") = "9"
    & skf18("1","8","1","7","10","1","1") = "9"
    & skf18("1","8","1","7","10","2","1") = "9"
    & skf18("1","8","1","7","10","3","1") = "9"
    & skf18("1","8","1","7","10","4","1") = "9"
    & skf18("1","8","1","7","10","5","1") = "9"
    & skf18("1","8","1","7","10","6","1") = "9"
    & skf18("1","8","1","7","10","7","1") = "9"
    & skf18("1","8","1","7","10","8","1") = "9"
    & skf18("1","8","1","7","10","9","1") = "9"
    & skf18("1","8","1","7","10","10","1") = "9"
    & skf18("1","8","1","8","1","1","1") = "7"
    & skf18("1","8","1","8","1","2","1") = "7"
    & skf18("1","8","1","8","1","3","1") = "7"
    & skf18("1","8","1","8","1","4","1") = "7"
    & skf18("1","8","1","8","1","5","1") = "7"
    & skf18("1","8","1","8","1","6","1") = "7"
    & skf18("1","8","1","8","1","7","1") = "7"
    & skf18("1","8","1","8","1","8","1") = "7"
    & skf18("1","8","1","8","1","9","1") = "8"
    & skf18("1","8","1","8","1","10","1") = "9"
    & skf18("1","8","1","8","2","1","1") = "7"
    & skf18("1","8","1","8","2","2","1") = "7"
    & skf18("1","8","1","8","2","3","1") = "7"
    & skf18("1","8","1","8","2","4","1") = "7"
    & skf18("1","8","1","8","2","5","1") = "7"
    & skf18("1","8","1","8","2","6","1") = "7"
    & skf18("1","8","1","8","2","7","1") = "7"
    & skf18("1","8","1","8","2","8","1") = "7"
    & skf18("1","8","1","8","2","9","1") = "8"
    & skf18("1","8","1","8","2","10","1") = "9"
    & skf18("1","8","1","8","3","1","1") = "7"
    & skf18("1","8","1","8","3","2","1") = "7"
    & skf18("1","8","1","8","3","3","1") = "7"
    & skf18("1","8","1","8","3","4","1") = "7"
    & skf18("1","8","1","8","3","5","1") = "7"
    & skf18("1","8","1","8","3","6","1") = "7"
    & skf18("1","8","1","8","3","7","1") = "7"
    & skf18("1","8","1","8","3","8","1") = "7"
    & skf18("1","8","1","8","3","9","1") = "8"
    & skf18("1","8","1","8","3","10","1") = "9"
    & skf18("1","8","1","8","4","1","1") = "7"
    & skf18("1","8","1","8","4","2","1") = "7"
    & skf18("1","8","1","8","4","3","1") = "7"
    & skf18("1","8","1","8","4","4","1") = "7"
    & skf18("1","8","1","8","4","5","1") = "7"
    & skf18("1","8","1","8","4","6","1") = "7"
    & skf18("1","8","1","8","4","7","1") = "7"
    & skf18("1","8","1","8","4","8","1") = "7"
    & skf18("1","8","1","8","4","9","1") = "8"
    & skf18("1","8","1","8","4","10","1") = "9"
    & skf18("1","8","1","8","5","1","1") = "7"
    & skf18("1","8","1","8","5","2","1") = "7"
    & skf18("1","8","1","8","5","3","1") = "7"
    & skf18("1","8","1","8","5","4","1") = "7"
    & skf18("1","8","1","8","5","5","1") = "7"
    & skf18("1","8","1","8","5","6","1") = "7"
    & skf18("1","8","1","8","5","7","1") = "7"
    & skf18("1","8","1","8","5","8","1") = "7"
    & skf18("1","8","1","8","5","9","1") = "8"
    & skf18("1","8","1","8","5","10","1") = "9"
    & skf18("1","8","1","8","6","1","1") = "7"
    & skf18("1","8","1","8","6","2","1") = "7"
    & skf18("1","8","1","8","6","3","1") = "7"
    & skf18("1","8","1","8","6","4","1") = "7"
    & skf18("1","8","1","8","6","5","1") = "7"
    & skf18("1","8","1","8","6","6","1") = "7"
    & skf18("1","8","1","8","6","7","1") = "7"
    & skf18("1","8","1","8","6","8","1") = "7"
    & skf18("1","8","1","8","6","9","1") = "8"
    & skf18("1","8","1","8","6","10","1") = "9"
    & skf18("1","8","1","8","7","1","1") = "7"
    & skf18("1","8","1","8","7","2","1") = "7"
    & skf18("1","8","1","8","7","3","1") = "7"
    & skf18("1","8","1","8","7","4","1") = "7"
    & skf18("1","8","1","8","7","5","1") = "7"
    & skf18("1","8","1","8","7","6","1") = "7"
    & skf18("1","8","1","8","7","7","1") = "7"
    & skf18("1","8","1","8","7","8","1") = "7"
    & skf18("1","8","1","8","7","9","1") = "8"
    & skf18("1","8","1","8","7","10","1") = "9"
    & skf18("1","8","1","8","8","1","1") = "7"
    & skf18("1","8","1","8","8","2","1") = "7"
    & skf18("1","8","1","8","8","3","1") = "7"
    & skf18("1","8","1","8","8","4","1") = "7"
    & skf18("1","8","1","8","8","5","1") = "7"
    & skf18("1","8","1","8","8","6","1") = "7"
    & skf18("1","8","1","8","8","7","1") = "7"
    & skf18("1","8","1","8","8","8","1") = "7"
    & skf18("1","8","1","8","8","9","1") = "8"
    & skf18("1","8","1","8","8","10","1") = "9"
    & skf18("1","8","1","8","9","1","1") = "8"
    & skf18("1","8","1","8","9","2","1") = "8"
    & skf18("1","8","1","8","9","3","1") = "8"
    & skf18("1","8","1","8","9","4","1") = "8"
    & skf18("1","8","1","8","9","5","1") = "8"
    & skf18("1","8","1","8","9","6","1") = "8"
    & skf18("1","8","1","8","9","7","1") = "8"
    & skf18("1","8","1","8","9","8","1") = "8"
    & skf18("1","8","1","8","9","9","1") = "8"
    & skf18("1","8","1","8","9","10","1") = "9"
    & skf18("1","8","1","8","10","1","1") = "9"
    & skf18("1","8","1","8","10","2","1") = "9"
    & skf18("1","8","1","8","10","3","1") = "9"
    & skf18("1","8","1","8","10","4","1") = "9"
    & skf18("1","8","1","8","10","5","1") = "9"
    & skf18("1","8","1","8","10","6","1") = "9"
    & skf18("1","8","1","8","10","7","1") = "9"
    & skf18("1","8","1","8","10","8","1") = "9"
    & skf18("1","8","1","8","10","9","1") = "9"
    & skf18("1","8","1","8","10","10","1") = "9"
    & skf18("1","8","1","9","1","1","1") = "8"
    & skf18("1","8","1","9","1","2","1") = "8"
    & skf18("1","8","1","9","1","3","1") = "8"
    & skf18("1","8","1","9","1","4","1") = "8"
    & skf18("1","8","1","9","1","5","1") = "8"
    & skf18("1","8","1","9","1","6","1") = "8"
    & skf18("1","8","1","9","1","7","1") = "8"
    & skf18("1","8","1","9","1","8","1") = "8"
    & skf18("1","8","1","9","1","9","1") = "8"
    & skf18("1","8","1","9","1","10","1") = "9"
    & skf18("1","8","1","9","2","1","1") = "8"
    & skf18("1","8","1","9","2","2","1") = "8"
    & skf18("1","8","1","9","2","3","1") = "8"
    & skf18("1","8","1","9","2","4","1") = "8"
    & skf18("1","8","1","9","2","5","1") = "8"
    & skf18("1","8","1","9","2","6","1") = "8"
    & skf18("1","8","1","9","2","7","1") = "8"
    & skf18("1","8","1","9","2","8","1") = "8"
    & skf18("1","8","1","9","2","9","1") = "8"
    & skf18("1","8","1","9","2","10","1") = "9"
    & skf18("1","8","1","9","3","1","1") = "8"
    & skf18("1","8","1","9","3","2","1") = "8"
    & skf18("1","8","1","9","3","3","1") = "8"
    & skf18("1","8","1","9","3","4","1") = "8"
    & skf18("1","8","1","9","3","5","1") = "8"
    & skf18("1","8","1","9","3","6","1") = "8"
    & skf18("1","8","1","9","3","7","1") = "8"
    & skf18("1","8","1","9","3","8","1") = "8"
    & skf18("1","8","1","9","3","9","1") = "8"
    & skf18("1","8","1","9","3","10","1") = "9"
    & skf18("1","8","1","9","4","1","1") = "8"
    & skf18("1","8","1","9","4","2","1") = "8"
    & skf18("1","8","1","9","4","3","1") = "8"
    & skf18("1","8","1","9","4","4","1") = "8"
    & skf18("1","8","1","9","4","5","1") = "8"
    & skf18("1","8","1","9","4","6","1") = "8"
    & skf18("1","8","1","9","4","7","1") = "8"
    & skf18("1","8","1","9","4","8","1") = "8"
    & skf18("1","8","1","9","4","9","1") = "8"
    & skf18("1","8","1","9","4","10","1") = "9"
    & skf18("1","8","1","9","5","1","1") = "8"
    & skf18("1","8","1","9","5","2","1") = "8"
    & skf18("1","8","1","9","5","3","1") = "8"
    & skf18("1","8","1","9","5","4","1") = "8"
    & skf18("1","8","1","9","5","5","1") = "8"
    & skf18("1","8","1","9","5","6","1") = "8"
    & skf18("1","8","1","9","5","7","1") = "8"
    & skf18("1","8","1","9","5","8","1") = "8"
    & skf18("1","8","1","9","5","9","1") = "8"
    & skf18("1","8","1","9","5","10","1") = "9"
    & skf18("1","8","1","9","6","1","1") = "8"
    & skf18("1","8","1","9","6","2","1") = "8"
    & skf18("1","8","1","9","6","3","1") = "8"
    & skf18("1","8","1","9","6","4","1") = "8"
    & skf18("1","8","1","9","6","5","1") = "8"
    & skf18("1","8","1","9","6","6","1") = "8"
    & skf18("1","8","1","9","6","7","1") = "8"
    & skf18("1","8","1","9","6","8","1") = "8"
    & skf18("1","8","1","9","6","9","1") = "8"
    & skf18("1","8","1","9","6","10","1") = "9"
    & skf18("1","8","1","9","7","1","1") = "8"
    & skf18("1","8","1","9","7","2","1") = "8"
    & skf18("1","8","1","9","7","3","1") = "8"
    & skf18("1","8","1","9","7","4","1") = "8"
    & skf18("1","8","1","9","7","5","1") = "8"
    & skf18("1","8","1","9","7","6","1") = "8"
    & skf18("1","8","1","9","7","7","1") = "8"
    & skf18("1","8","1","9","7","8","1") = "8"
    & skf18("1","8","1","9","7","9","1") = "8"
    & skf18("1","8","1","9","7","10","1") = "9"
    & skf18("1","8","1","9","8","1","1") = "8"
    & skf18("1","8","1","9","8","2","1") = "8"
    & skf18("1","8","1","9","8","3","1") = "8"
    & skf18("1","8","1","9","8","4","1") = "8"
    & skf18("1","8","1","9","8","5","1") = "8"
    & skf18("1","8","1","9","8","6","1") = "8"
    & skf18("1","8","1","9","8","7","1") = "8"
    & skf18("1","8","1","9","8","8","1") = "8"
    & skf18("1","8","1","9","8","9","1") = "8"
    & skf18("1","8","1","9","8","10","1") = "9"
    & skf18("1","8","1","9","9","1","1") = "8"
    & skf18("1","8","1","9","9","2","1") = "8"
    & skf18("1","8","1","9","9","3","1") = "8"
    & skf18("1","8","1","9","9","4","1") = "8"
    & skf18("1","8","1","9","9","5","1") = "8"
    & skf18("1","8","1","9","9","6","1") = "8"
    & skf18("1","8","1","9","9","7","1") = "8"
    & skf18("1","8","1","9","9","8","1") = "8"
    & skf18("1","8","1","9","9","9","1") = "8"
    & skf18("1","8","1","9","9","10","1") = "9"
    & skf18("1","8","1","9","10","1","1") = "9"
    & skf18("1","8","1","9","10","2","1") = "9"
    & skf18("1","8","1","9","10","3","1") = "9"
    & skf18("1","8","1","9","10","4","1") = "9"
    & skf18("1","8","1","9","10","5","1") = "9"
    & skf18("1","8","1","9","10","6","1") = "9"
    & skf18("1","8","1","9","10","7","1") = "9"
    & skf18("1","8","1","9","10","8","1") = "9"
    & skf18("1","8","1","9","10","9","1") = "9"
    & skf18("1","8","1","9","10","10","1") = "9"
    & skf18("1","8","1","10","1","1","1") = "9"
    & skf18("1","8","1","10","1","2","1") = "9"
    & skf18("1","8","1","10","1","3","1") = "9"
    & skf18("1","8","1","10","1","4","1") = "9"
    & skf18("1","8","1","10","1","5","1") = "9"
    & skf18("1","8","1","10","1","6","1") = "9"
    & skf18("1","8","1","10","1","7","1") = "9"
    & skf18("1","8","1","10","1","8","1") = "9"
    & skf18("1","8","1","10","1","9","1") = "9"
    & skf18("1","8","1","10","1","10","1") = "9"
    & skf18("1","8","1","10","2","1","1") = "9"
    & skf18("1","8","1","10","2","2","1") = "9"
    & skf18("1","8","1","10","2","3","1") = "9"
    & skf18("1","8","1","10","2","4","1") = "9"
    & skf18("1","8","1","10","2","5","1") = "9"
    & skf18("1","8","1","10","2","6","1") = "9"
    & skf18("1","8","1","10","2","7","1") = "9"
    & skf18("1","8","1","10","2","8","1") = "9"
    & skf18("1","8","1","10","2","9","1") = "9"
    & skf18("1","8","1","10","2","10","1") = "9"
    & skf18("1","8","1","10","3","1","1") = "9"
    & skf18("1","8","1","10","3","2","1") = "9"
    & skf18("1","8","1","10","3","3","1") = "9"
    & skf18("1","8","1","10","3","4","1") = "9"
    & skf18("1","8","1","10","3","5","1") = "9"
    & skf18("1","8","1","10","3","6","1") = "9"
    & skf18("1","8","1","10","3","7","1") = "9"
    & skf18("1","8","1","10","3","8","1") = "9"
    & skf18("1","8","1","10","3","9","1") = "9"
    & skf18("1","8","1","10","3","10","1") = "9"
    & skf18("1","8","1","10","4","1","1") = "9"
    & skf18("1","8","1","10","4","2","1") = "9"
    & skf18("1","8","1","10","4","3","1") = "9"
    & skf18("1","8","1","10","4","4","1") = "9"
    & skf18("1","8","1","10","4","5","1") = "9"
    & skf18("1","8","1","10","4","6","1") = "9"
    & skf18("1","8","1","10","4","7","1") = "9"
    & skf18("1","8","1","10","4","8","1") = "9"
    & skf18("1","8","1","10","4","9","1") = "9"
    & skf18("1","8","1","10","4","10","1") = "9"
    & skf18("1","8","1","10","5","1","1") = "9"
    & skf18("1","8","1","10","5","2","1") = "9"
    & skf18("1","8","1","10","5","3","1") = "9"
    & skf18("1","8","1","10","5","4","1") = "9"
    & skf18("1","8","1","10","5","5","1") = "9"
    & skf18("1","8","1","10","5","6","1") = "9"
    & skf18("1","8","1","10","5","7","1") = "9"
    & skf18("1","8","1","10","5","8","1") = "9"
    & skf18("1","8","1","10","5","9","1") = "9"
    & skf18("1","8","1","10","5","10","1") = "9"
    & skf18("1","8","1","10","6","1","1") = "9"
    & skf18("1","8","1","10","6","2","1") = "9"
    & skf18("1","8","1","10","6","3","1") = "9"
    & skf18("1","8","1","10","6","4","1") = "9"
    & skf18("1","8","1","10","6","5","1") = "9"
    & skf18("1","8","1","10","6","6","1") = "9"
    & skf18("1","8","1","10","6","7","1") = "9"
    & skf18("1","8","1","10","6","8","1") = "9"
    & skf18("1","8","1","10","6","9","1") = "9"
    & skf18("1","8","1","10","6","10","1") = "9"
    & skf18("1","8","1","10","7","1","1") = "9"
    & skf18("1","8","1","10","7","2","1") = "9"
    & skf18("1","8","1","10","7","3","1") = "9"
    & skf18("1","8","1","10","7","4","1") = "9"
    & skf18("1","8","1","10","7","5","1") = "9"
    & skf18("1","8","1","10","7","6","1") = "9"
    & skf18("1","8","1","10","7","7","1") = "9"
    & skf18("1","8","1","10","7","8","1") = "9"
    & skf18("1","8","1","10","7","9","1") = "9"
    & skf18("1","8","1","10","7","10","1") = "9"
    & skf18("1","8","1","10","8","1","1") = "9"
    & skf18("1","8","1","10","8","2","1") = "9"
    & skf18("1","8","1","10","8","3","1") = "9"
    & skf18("1","8","1","10","8","4","1") = "9"
    & skf18("1","8","1","10","8","5","1") = "9"
    & skf18("1","8","1","10","8","6","1") = "9"
    & skf18("1","8","1","10","8","7","1") = "9"
    & skf18("1","8","1","10","8","8","1") = "9"
    & skf18("1","8","1","10","8","9","1") = "9"
    & skf18("1","8","1","10","8","10","1") = "9"
    & skf18("1","8","1","10","9","1","1") = "9"
    & skf18("1","8","1","10","9","2","1") = "9"
    & skf18("1","8","1","10","9","3","1") = "9"
    & skf18("1","8","1","10","9","4","1") = "9"
    & skf18("1","8","1","10","9","5","1") = "9"
    & skf18("1","8","1","10","9","6","1") = "9"
    & skf18("1","8","1","10","9","7","1") = "9"
    & skf18("1","8","1","10","9","8","1") = "9"
    & skf18("1","8","1","10","9","9","1") = "9"
    & skf18("1","8","1","10","9","10","1") = "9"
    & skf18("1","8","1","10","10","1","1") = "9"
    & skf18("1","8","1","10","10","2","1") = "9"
    & skf18("1","8","1","10","10","3","1") = "9"
    & skf18("1","8","1","10","10","4","1") = "9"
    & skf18("1","8","1","10","10","5","1") = "9"
    & skf18("1","8","1","10","10","6","1") = "9"
    & skf18("1","8","1","10","10","7","1") = "9"
    & skf18("1","8","1","10","10","8","1") = "9"
    & skf18("1","8","1","10","10","9","1") = "9"
    & skf18("1","8","1","10","10","10","1") = "9"
    & skf18("1","8","2","1","1","1","1") = "7"
    & skf18("1","8","2","1","1","2","1") = "7"
    & skf18("1","8","2","1","1","3","1") = "7"
    & skf18("1","8","2","1","1","4","1") = "7"
    & skf18("1","8","2","1","1","5","1") = "7"
    & skf18("1","8","2","1","1","6","1") = "7"
    & skf18("1","8","2","1","1","7","1") = "7"
    & skf18("1","8","2","1","1","8","1") = "7"
    & skf18("1","8","2","1","1","9","1") = "8"
    & skf18("1","8","2","1","1","10","1") = "9"
    & skf18("1","8","2","1","2","1","1") = "7"
    & skf18("1","8","2","1","2","2","1") = "7"
    & skf18("1","8","2","1","2","3","1") = "7"
    & skf18("1","8","2","1","2","4","1") = "7"
    & skf18("1","8","2","1","2","5","1") = "7"
    & skf18("1","8","2","1","2","6","1") = "7"
    & skf18("1","8","2","1","2","7","1") = "7"
    & skf18("1","8","2","1","2","8","1") = "7"
    & skf18("1","8","2","1","2","9","1") = "8"
    & skf18("1","8","2","1","2","10","1") = "9"
    & skf18("1","8","2","1","3","1","1") = "7"
    & skf18("1","8","2","1","3","2","1") = "7"
    & skf18("1","8","2","1","3","3","1") = "7"
    & skf18("1","8","2","1","3","4","1") = "7"
    & skf18("1","8","2","1","3","5","1") = "7"
    & skf18("1","8","2","1","3","6","1") = "7"
    & skf18("1","8","2","1","3","7","1") = "7"
    & skf18("1","8","2","1","3","8","1") = "7"
    & skf18("1","8","2","1","3","9","1") = "8"
    & skf18("1","8","2","1","3","10","1") = "9"
    & skf18("1","8","2","1","4","1","1") = "7"
    & skf18("1","8","2","1","4","2","1") = "7"
    & skf18("1","8","2","1","4","3","1") = "7"
    & skf18("1","8","2","1","4","4","1") = "7"
    & skf18("1","8","2","1","4","5","1") = "7"
    & skf18("1","8","2","1","4","6","1") = "7"
    & skf18("1","8","2","1","4","7","1") = "7"
    & skf18("1","8","2","1","4","8","1") = "7"
    & skf18("1","8","2","1","4","9","1") = "8"
    & skf18("1","8","2","1","4","10","1") = "9"
    & skf18("1","8","2","1","5","1","1") = "7"
    & skf18("1","8","2","1","5","2","1") = "7"
    & skf18("1","8","2","1","5","3","1") = "7"
    & skf18("1","8","2","1","5","4","1") = "7"
    & skf18("1","8","2","1","5","5","1") = "7"
    & skf18("1","8","2","1","5","6","1") = "7"
    & skf18("1","8","2","1","5","7","1") = "7"
    & skf18("1","8","2","1","5","8","1") = "7"
    & skf18("1","8","2","1","5","9","1") = "8"
    & skf18("1","8","2","1","5","10","1") = "9"
    & skf18("1","8","2","1","6","1","1") = "7"
    & skf18("1","8","2","1","6","2","1") = "7"
    & skf18("1","8","2","1","6","3","1") = "7"
    & skf18("1","8","2","1","6","4","1") = "7"
    & skf18("1","8","2","1","6","5","1") = "7"
    & skf18("1","8","2","1","6","6","1") = "7"
    & skf18("1","8","2","1","6","7","1") = "7"
    & skf18("1","8","2","1","6","8","1") = "7"
    & skf18("1","8","2","1","6","9","1") = "8"
    & skf18("1","8","2","1","6","10","1") = "9"
    & skf18("1","8","2","1","7","1","1") = "7"
    & skf18("1","8","2","1","7","2","1") = "7"
    & skf18("1","8","2","1","7","3","1") = "7"
    & skf18("1","8","2","1","7","4","1") = "7"
    & skf18("1","8","2","1","7","5","1") = "7"
    & skf18("1","8","2","1","7","6","1") = "7"
    & skf18("1","8","2","1","7","7","1") = "7"
    & skf18("1","8","2","1","7","8","1") = "7"
    & skf18("1","8","2","1","7","9","1") = "8"
    & skf18("1","8","2","1","7","10","1") = "9"
    & skf18("1","8","2","1","8","1","1") = "7"
    & skf18("1","8","2","1","8","2","1") = "7"
    & skf18("1","8","2","1","8","3","1") = "7"
    & skf18("1","8","2","1","8","4","1") = "7"
    & skf18("1","8","2","1","8","5","1") = "7"
    & skf18("1","8","2","1","8","6","1") = "7"
    & skf18("1","8","2","1","8","7","1") = "7"
    & skf18("1","8","2","1","8","8","1") = "7"
    & skf18("1","8","2","1","8","9","1") = "8"
    & skf18("1","8","2","1","8","10","1") = "9"
    & skf18("1","8","2","1","9","1","1") = "8"
    & skf18("1","8","2","1","9","2","1") = "8"
    & skf18("1","8","2","1","9","3","1") = "8"
    & skf18("1","8","2","1","9","4","1") = "8"
    & skf18("1","8","2","1","9","5","1") = "8"
    & skf18("1","8","2","1","9","6","1") = "8"
    & skf18("1","8","2","1","9","7","1") = "8"
    & skf18("1","8","2","1","9","8","1") = "8"
    & skf18("1","8","2","1","9","9","1") = "8"
    & skf18("1","8","2","1","9","10","1") = "9"
    & skf18("1","8","2","1","10","1","1") = "9"
    & skf18("1","8","2","1","10","2","1") = "9"
    & skf18("1","8","2","1","10","3","1") = "9"
    & skf18("1","8","2","1","10","4","1") = "9"
    & skf18("1","8","2","1","10","5","1") = "9"
    & skf18("1","8","2","1","10","6","1") = "9"
    & skf18("1","8","2","1","10","7","1") = "9"
    & skf18("1","8","2","1","10","8","1") = "9"
    & skf18("1","8","2","1","10","9","1") = "9"
    & skf18("1","8","2","1","10","10","1") = "9"
    & skf18("1","8","2","2","1","1","1") = "7"
    & skf18("1","8","2","2","1","2","1") = "7"
    & skf18("1","8","2","2","1","3","1") = "7"
    & skf18("1","8","2","2","1","4","1") = "7"
    & skf18("1","8","2","2","1","5","1") = "7"
    & skf18("1","8","2","2","1","6","1") = "7"
    & skf18("1","8","2","2","1","7","1") = "7"
    & skf18("1","8","2","2","1","8","1") = "7"
    & skf18("1","8","2","2","1","9","1") = "8"
    & skf18("1","8","2","2","1","10","1") = "9"
    & skf18("1","8","2","2","2","1","1") = "7"
    & skf18("1","8","2","2","2","2","1") = "7"
    & skf18("1","8","2","2","2","3","1") = "7"
    & skf18("1","8","2","2","2","4","1") = "7"
    & skf18("1","8","2","2","2","5","1") = "7"
    & skf18("1","8","2","2","2","6","1") = "7"
    & skf18("1","8","2","2","2","7","1") = "7"
    & skf18("1","8","2","2","2","8","1") = "7"
    & skf18("1","8","2","2","2","9","1") = "8"
    & skf18("1","8","2","2","2","10","1") = "9"
    & skf18("1","8","2","2","3","1","1") = "7"
    & skf18("1","8","2","2","3","2","1") = "7"
    & skf18("1","8","2","2","3","3","1") = "7"
    & skf18("1","8","2","2","3","4","1") = "7"
    & skf18("1","8","2","2","3","5","1") = "7"
    & skf18("1","8","2","2","3","6","1") = "7"
    & skf18("1","8","2","2","3","7","1") = "7"
    & skf18("1","8","2","2","3","8","1") = "7"
    & skf18("1","8","2","2","3","9","1") = "8"
    & skf18("1","8","2","2","3","10","1") = "9"
    & skf18("1","8","2","2","4","1","1") = "7"
    & skf18("1","8","2","2","4","2","1") = "7"
    & skf18("1","8","2","2","4","3","1") = "7"
    & skf18("1","8","2","2","4","4","1") = "7"
    & skf18("1","8","2","2","4","5","1") = "7"
    & skf18("1","8","2","2","4","6","1") = "7"
    & skf18("1","8","2","2","4","7","1") = "7"
    & skf18("1","8","2","2","4","8","1") = "7"
    & skf18("1","8","2","2","4","9","1") = "8"
    & skf18("1","8","2","2","4","10","1") = "9"
    & skf18("1","8","2","2","5","1","1") = "7"
    & skf18("1","8","2","2","5","2","1") = "7"
    & skf18("1","8","2","2","5","3","1") = "7"
    & skf18("1","8","2","2","5","4","1") = "7"
    & skf18("1","8","2","2","5","5","1") = "7"
    & skf18("1","8","2","2","5","6","1") = "7"
    & skf18("1","8","2","2","5","7","1") = "7"
    & skf18("1","8","2","2","5","8","1") = "7"
    & skf18("1","8","2","2","5","9","1") = "8"
    & skf18("1","8","2","2","5","10","1") = "9"
    & skf18("1","8","2","2","6","1","1") = "7"
    & skf18("1","8","2","2","6","2","1") = "7"
    & skf18("1","8","2","2","6","3","1") = "7"
    & skf18("1","8","2","2","6","4","1") = "7"
    & skf18("1","8","2","2","6","5","1") = "7"
    & skf18("1","8","2","2","6","6","1") = "7"
    & skf18("1","8","2","2","6","7","1") = "7"
    & skf18("1","8","2","2","6","8","1") = "7"
    & skf18("1","8","2","2","6","9","1") = "8"
    & skf18("1","8","2","2","6","10","1") = "9"
    & skf18("1","8","2","2","7","1","1") = "7"
    & skf18("1","8","2","2","7","2","1") = "7"
    & skf18("1","8","2","2","7","3","1") = "7"
    & skf18("1","8","2","2","7","4","1") = "7"
    & skf18("1","8","2","2","7","5","1") = "7"
    & skf18("1","8","2","2","7","6","1") = "7"
    & skf18("1","8","2","2","7","7","1") = "7"
    & skf18("1","8","2","2","7","8","1") = "7"
    & skf18("1","8","2","2","7","9","1") = "8"
    & skf18("1","8","2","2","7","10","1") = "9"
    & skf18("1","8","2","2","8","1","1") = "7"
    & skf18("1","8","2","2","8","2","1") = "7"
    & skf18("1","8","2","2","8","3","1") = "7"
    & skf18("1","8","2","2","8","4","1") = "7"
    & skf18("1","8","2","2","8","5","1") = "7"
    & skf18("1","8","2","2","8","6","1") = "7"
    & skf18("1","8","2","2","8","7","1") = "7"
    & skf18("1","8","2","2","8","8","1") = "7"
    & skf18("1","8","2","2","8","9","1") = "8"
    & skf18("1","8","2","2","8","10","1") = "9"
    & skf18("1","8","2","2","9","1","1") = "8"
    & skf18("1","8","2","2","9","2","1") = "8"
    & skf18("1","8","2","2","9","3","1") = "8"
    & skf18("1","8","2","2","9","4","1") = "8"
    & skf18("1","8","2","2","9","5","1") = "8"
    & skf18("1","8","2","2","9","6","1") = "8"
    & skf18("1","8","2","2","9","7","1") = "8"
    & skf18("1","8","2","2","9","8","1") = "8"
    & skf18("1","8","2","2","9","9","1") = "8"
    & skf18("1","8","2","2","9","10","1") = "9"
    & skf18("1","8","2","2","10","1","1") = "9"
    & skf18("1","8","2","2","10","2","1") = "9"
    & skf18("1","8","2","2","10","3","1") = "9"
    & skf18("1","8","2","2","10","4","1") = "9"
    & skf18("1","8","2","2","10","5","1") = "9"
    & skf18("1","8","2","2","10","6","1") = "9"
    & skf18("1","8","2","2","10","7","1") = "9"
    & skf18("1","8","2","2","10","8","1") = "9"
    & skf18("1","8","2","2","10","9","1") = "9"
    & skf18("1","8","2","2","10","10","1") = "9"
    & skf18("1","8","2","3","1","1","1") = "7"
    & skf18("1","8","2","3","1","2","1") = "7"
    & skf18("1","8","2","3","1","3","1") = "7"
    & skf18("1","8","2","3","1","4","1") = "7"
    & skf18("1","8","2","3","1","5","1") = "7"
    & skf18("1","8","2","3","1","6","1") = "7"
    & skf18("1","8","2","3","1","7","1") = "7"
    & skf18("1","8","2","3","1","8","1") = "7"
    & skf18("1","8","2","3","1","9","1") = "8"
    & skf18("1","8","2","3","1","10","1") = "9"
    & skf18("1","8","2","3","2","1","1") = "7"
    & skf18("1","8","2","3","2","2","1") = "7"
    & skf18("1","8","2","3","2","3","1") = "7"
    & skf18("1","8","2","3","2","4","1") = "7"
    & skf18("1","8","2","3","2","5","1") = "7"
    & skf18("1","8","2","3","2","6","1") = "7"
    & skf18("1","8","2","3","2","7","1") = "7"
    & skf18("1","8","2","3","2","8","1") = "7"
    & skf18("1","8","2","3","2","9","1") = "8"
    & skf18("1","8","2","3","2","10","1") = "9"
    & skf18("1","8","2","3","3","1","1") = "7"
    & skf18("1","8","2","3","3","2","1") = "7"
    & skf18("1","8","2","3","3","3","1") = "7"
    & skf18("1","8","2","3","3","4","1") = "7"
    & skf18("1","8","2","3","3","5","1") = "7"
    & skf18("1","8","2","3","3","6","1") = "7"
    & skf18("1","8","2","3","3","7","1") = "7"
    & skf18("1","8","2","3","3","8","1") = "7"
    & skf18("1","8","2","3","3","9","1") = "8"
    & skf18("1","8","2","3","3","10","1") = "9"
    & skf18("1","8","2","3","4","1","1") = "7"
    & skf18("1","8","2","3","4","2","1") = "7"
    & skf18("1","8","2","3","4","3","1") = "7"
    & skf18("1","8","2","3","4","4","1") = "7"
    & skf18("1","8","2","3","4","5","1") = "7"
    & skf18("1","8","2","3","4","6","1") = "7"
    & skf18("1","8","2","3","4","7","1") = "7"
    & skf18("1","8","2","3","4","8","1") = "7"
    & skf18("1","8","2","3","4","9","1") = "8"
    & skf18("1","8","2","3","4","10","1") = "9"
    & skf18("1","8","2","3","5","1","1") = "7"
    & skf18("1","8","2","3","5","2","1") = "7"
    & skf18("1","8","2","3","5","3","1") = "7"
    & skf18("1","8","2","3","5","4","1") = "7"
    & skf18("1","8","2","3","5","5","1") = "7"
    & skf18("1","8","2","3","5","6","1") = "7"
    & skf18("1","8","2","3","5","7","1") = "7"
    & skf18("1","8","2","3","5","8","1") = "7"
    & skf18("1","8","2","3","5","9","1") = "8"
    & skf18("1","8","2","3","5","10","1") = "9"
    & skf18("1","8","2","3","6","1","1") = "7"
    & skf18("1","8","2","3","6","2","1") = "7"
    & skf18("1","8","2","3","6","3","1") = "7"
    & skf18("1","8","2","3","6","4","1") = "7"
    & skf18("1","8","2","3","6","5","1") = "7"
    & skf18("1","8","2","3","6","6","1") = "7"
    & skf18("1","8","2","3","6","7","1") = "7"
    & skf18("1","8","2","3","6","8","1") = "7"
    & skf18("1","8","2","3","6","9","1") = "8"
    & skf18("1","8","2","3","6","10","1") = "9"
    & skf18("1","8","2","3","7","1","1") = "7"
    & skf18("1","8","2","3","7","2","1") = "7"
    & skf18("1","8","2","3","7","3","1") = "7"
    & skf18("1","8","2","3","7","4","1") = "7"
    & skf18("1","8","2","3","7","5","1") = "7"
    & skf18("1","8","2","3","7","6","1") = "7"
    & skf18("1","8","2","3","7","7","1") = "7"
    & skf18("1","8","2","3","7","8","1") = "7"
    & skf18("1","8","2","3","7","9","1") = "8"
    & skf18("1","8","2","3","7","10","1") = "9"
    & skf18("1","8","2","3","8","1","1") = "7"
    & skf18("1","8","2","3","8","2","1") = "7"
    & skf18("1","8","2","3","8","3","1") = "7"
    & skf18("1","8","2","3","8","4","1") = "7"
    & skf18("1","8","2","3","8","5","1") = "7"
    & skf18("1","8","2","3","8","6","1") = "7"
    & skf18("1","8","2","3","8","7","1") = "7"
    & skf18("1","8","2","3","8","8","1") = "7"
    & skf18("1","8","2","3","8","9","1") = "8"
    & skf18("1","8","2","3","8","10","1") = "9"
    & skf18("1","8","2","3","9","1","1") = "8"
    & skf18("1","8","2","3","9","2","1") = "8"
    & skf18("1","8","2","3","9","3","1") = "8"
    & skf18("1","8","2","3","9","4","1") = "8"
    & skf18("1","8","2","3","9","5","1") = "8"
    & skf18("1","8","2","3","9","6","1") = "8"
    & skf18("1","8","2","3","9","7","1") = "8"
    & skf18("1","8","2","3","9","8","1") = "8"
    & skf18("1","8","2","3","9","9","1") = "8"
    & skf18("1","8","2","3","9","10","1") = "9"
    & skf18("1","8","2","3","10","1","1") = "9"
    & skf18("1","8","2","3","10","2","1") = "9"
    & skf18("1","8","2","3","10","3","1") = "9"
    & skf18("1","8","2","3","10","4","1") = "9"
    & skf18("1","8","2","3","10","5","1") = "9"
    & skf18("1","8","2","3","10","6","1") = "9"
    & skf18("1","8","2","3","10","7","1") = "9"
    & skf18("1","8","2","3","10","8","1") = "9"
    & skf18("1","8","2","3","10","9","1") = "9"
    & skf18("1","8","2","3","10","10","1") = "9"
    & skf18("1","8","2","4","1","1","1") = "7"
    & skf18("1","8","2","4","1","2","1") = "7"
    & skf18("1","8","2","4","1","3","1") = "7"
    & skf18("1","8","2","4","1","4","1") = "7"
    & skf18("1","8","2","4","1","5","1") = "7"
    & skf18("1","8","2","4","1","6","1") = "7"
    & skf18("1","8","2","4","1","7","1") = "7"
    & skf18("1","8","2","4","1","8","1") = "7"
    & skf18("1","8","2","4","1","9","1") = "8"
    & skf18("1","8","2","4","1","10","1") = "9"
    & skf18("1","8","2","4","2","1","1") = "7"
    & skf18("1","8","2","4","2","2","1") = "7"
    & skf18("1","8","2","4","2","3","1") = "7"
    & skf18("1","8","2","4","2","4","1") = "7"
    & skf18("1","8","2","4","2","5","1") = "7"
    & skf18("1","8","2","4","2","6","1") = "7"
    & skf18("1","8","2","4","2","7","1") = "7"
    & skf18("1","8","2","4","2","8","1") = "7"
    & skf18("1","8","2","4","2","9","1") = "8"
    & skf18("1","8","2","4","2","10","1") = "9"
    & skf18("1","8","2","4","3","1","1") = "7"
    & skf18("1","8","2","4","3","2","1") = "7"
    & skf18("1","8","2","4","3","3","1") = "7"
    & skf18("1","8","2","4","3","4","1") = "7"
    & skf18("1","8","2","4","3","5","1") = "7"
    & skf18("1","8","2","4","3","6","1") = "7"
    & skf18("1","8","2","4","3","7","1") = "7"
    & skf18("1","8","2","4","3","8","1") = "7"
    & skf18("1","8","2","4","3","9","1") = "8"
    & skf18("1","8","2","4","3","10","1") = "9"
    & skf18("1","8","2","4","4","1","1") = "7"
    & skf18("1","8","2","4","4","2","1") = "7"
    & skf18("1","8","2","4","4","3","1") = "7"
    & skf18("1","8","2","4","4","4","1") = "7"
    & skf18("1","8","2","4","4","5","1") = "7"
    & skf18("1","8","2","4","4","6","1") = "7"
    & skf18("1","8","2","4","4","7","1") = "7"
    & skf18("1","8","2","4","4","8","1") = "7"
    & skf18("1","8","2","4","4","9","1") = "8"
    & skf18("1","8","2","4","4","10","1") = "9"
    & skf18("1","8","2","4","5","1","1") = "7"
    & skf18("1","8","2","4","5","2","1") = "7"
    & skf18("1","8","2","4","5","3","1") = "7"
    & skf18("1","8","2","4","5","4","1") = "7"
    & skf18("1","8","2","4","5","5","1") = "7"
    & skf18("1","8","2","4","5","6","1") = "7"
    & skf18("1","8","2","4","5","7","1") = "7"
    & skf18("1","8","2","4","5","8","1") = "7"
    & skf18("1","8","2","4","5","9","1") = "8"
    & skf18("1","8","2","4","5","10","1") = "9"
    & skf18("1","8","2","4","6","1","1") = "7"
    & skf18("1","8","2","4","6","2","1") = "7"
    & skf18("1","8","2","4","6","3","1") = "7"
    & skf18("1","8","2","4","6","4","1") = "7"
    & skf18("1","8","2","4","6","5","1") = "7"
    & skf18("1","8","2","4","6","6","1") = "7"
    & skf18("1","8","2","4","6","7","1") = "7"
    & skf18("1","8","2","4","6","8","1") = "7"
    & skf18("1","8","2","4","6","9","1") = "8"
    & skf18("1","8","2","4","6","10","1") = "9"
    & skf18("1","8","2","4","7","1","1") = "7"
    & skf18("1","8","2","4","7","2","1") = "7"
    & skf18("1","8","2","4","7","3","1") = "7"
    & skf18("1","8","2","4","7","4","1") = "7"
    & skf18("1","8","2","4","7","5","1") = "7"
    & skf18("1","8","2","4","7","6","1") = "7"
    & skf18("1","8","2","4","7","7","1") = "7"
    & skf18("1","8","2","4","7","8","1") = "7"
    & skf18("1","8","2","4","7","9","1") = "8"
    & skf18("1","8","2","4","7","10","1") = "9"
    & skf18("1","8","2","4","8","1","1") = "7"
    & skf18("1","8","2","4","8","2","1") = "7"
    & skf18("1","8","2","4","8","3","1") = "7"
    & skf18("1","8","2","4","8","4","1") = "7"
    & skf18("1","8","2","4","8","5","1") = "7"
    & skf18("1","8","2","4","8","6","1") = "7"
    & skf18("1","8","2","4","8","7","1") = "7"
    & skf18("1","8","2","4","8","8","1") = "7"
    & skf18("1","8","2","4","8","9","1") = "8"
    & skf18("1","8","2","4","8","10","1") = "9"
    & skf18("1","8","2","4","9","1","1") = "8"
    & skf18("1","8","2","4","9","2","1") = "8"
    & skf18("1","8","2","4","9","3","1") = "8"
    & skf18("1","8","2","4","9","4","1") = "8"
    & skf18("1","8","2","4","9","5","1") = "8"
    & skf18("1","8","2","4","9","6","1") = "8"
    & skf18("1","8","2","4","9","7","1") = "8"
    & skf18("1","8","2","4","9","8","1") = "8"
    & skf18("1","8","2","4","9","9","1") = "8"
    & skf18("1","8","2","4","9","10","1") = "9"
    & skf18("1","8","2","4","10","1","1") = "9"
    & skf18("1","8","2","4","10","2","1") = "9"
    & skf18("1","8","2","4","10","3","1") = "9"
    & skf18("1","8","2","4","10","4","1") = "9"
    & skf18("1","8","2","4","10","5","1") = "9"
    & skf18("1","8","2","4","10","6","1") = "9"
    & skf18("1","8","2","4","10","7","1") = "9"
    & skf18("1","8","2","4","10","8","1") = "9"
    & skf18("1","8","2","4","10","9","1") = "9"
    & skf18("1","8","2","4","10","10","1") = "9"
    & skf18("1","8","2","5","1","1","1") = "7"
    & skf18("1","8","2","5","1","2","1") = "7"
    & skf18("1","8","2","5","1","3","1") = "7"
    & skf18("1","8","2","5","1","4","1") = "7"
    & skf18("1","8","2","5","1","5","1") = "7"
    & skf18("1","8","2","5","1","6","1") = "7"
    & skf18("1","8","2","5","1","7","1") = "7"
    & skf18("1","8","2","5","1","8","1") = "7"
    & skf18("1","8","2","5","1","9","1") = "8"
    & skf18("1","8","2","5","1","10","1") = "9"
    & skf18("1","8","2","5","2","1","1") = "7"
    & skf18("1","8","2","5","2","2","1") = "7"
    & skf18("1","8","2","5","2","3","1") = "7"
    & skf18("1","8","2","5","2","4","1") = "7"
    & skf18("1","8","2","5","2","5","1") = "7"
    & skf18("1","8","2","5","2","6","1") = "7"
    & skf18("1","8","2","5","2","7","1") = "7"
    & skf18("1","8","2","5","2","8","1") = "7"
    & skf18("1","8","2","5","2","9","1") = "8"
    & skf18("1","8","2","5","2","10","1") = "9"
    & skf18("1","8","2","5","3","1","1") = "7"
    & skf18("1","8","2","5","3","2","1") = "7"
    & skf18("1","8","2","5","3","3","1") = "7"
    & skf18("1","8","2","5","3","4","1") = "7"
    & skf18("1","8","2","5","3","5","1") = "7"
    & skf18("1","8","2","5","3","6","1") = "7"
    & skf18("1","8","2","5","3","7","1") = "7"
    & skf18("1","8","2","5","3","8","1") = "7"
    & skf18("1","8","2","5","3","9","1") = "8"
    & skf18("1","8","2","5","3","10","1") = "9"
    & skf18("1","8","2","5","4","1","1") = "7"
    & skf18("1","8","2","5","4","2","1") = "7"
    & skf18("1","8","2","5","4","3","1") = "7"
    & skf18("1","8","2","5","4","4","1") = "7"
    & skf18("1","8","2","5","4","5","1") = "7"
    & skf18("1","8","2","5","4","6","1") = "7"
    & skf18("1","8","2","5","4","7","1") = "7"
    & skf18("1","8","2","5","4","8","1") = "7"
    & skf18("1","8","2","5","4","9","1") = "8"
    & skf18("1","8","2","5","4","10","1") = "9"
    & skf18("1","8","2","5","5","1","1") = "7"
    & skf18("1","8","2","5","5","2","1") = "7"
    & skf18("1","8","2","5","5","3","1") = "7"
    & skf18("1","8","2","5","5","4","1") = "7"
    & skf18("1","8","2","5","5","5","1") = "7"
    & skf18("1","8","2","5","5","6","1") = "7"
    & skf18("1","8","2","5","5","7","1") = "7"
    & skf18("1","8","2","5","5","8","1") = "7"
    & skf18("1","8","2","5","5","9","1") = "8"
    & skf18("1","8","2","5","5","10","1") = "9"
    & skf18("1","8","2","5","6","1","1") = "7"
    & skf18("1","8","2","5","6","2","1") = "7"
    & skf18("1","8","2","5","6","3","1") = "7"
    & skf18("1","8","2","5","6","4","1") = "7"
    & skf18("1","8","2","5","6","5","1") = "7"
    & skf18("1","8","2","5","6","6","1") = "7"
    & skf18("1","8","2","5","6","7","1") = "7"
    & skf18("1","8","2","5","6","8","1") = "7"
    & skf18("1","8","2","5","6","9","1") = "8"
    & skf18("1","8","2","5","6","10","1") = "9"
    & skf18("1","8","2","5","7","1","1") = "7"
    & skf18("1","8","2","5","7","2","1") = "7"
    & skf18("1","8","2","5","7","3","1") = "7"
    & skf18("1","8","2","5","7","4","1") = "7"
    & skf18("1","8","2","5","7","5","1") = "7"
    & skf18("1","8","2","5","7","6","1") = "7"
    & skf18("1","8","2","5","7","7","1") = "7"
    & skf18("1","8","2","5","7","8","1") = "7"
    & skf18("1","8","2","5","7","9","1") = "8"
    & skf18("1","8","2","5","7","10","1") = "9"
    & skf18("1","8","2","5","8","1","1") = "7"
    & skf18("1","8","2","5","8","2","1") = "7"
    & skf18("1","8","2","5","8","3","1") = "7"
    & skf18("1","8","2","5","8","4","1") = "7"
    & skf18("1","8","2","5","8","5","1") = "7"
    & skf18("1","8","2","5","8","6","1") = "7"
    & skf18("1","8","2","5","8","7","1") = "7"
    & skf18("1","8","2","5","8","8","1") = "7"
    & skf18("1","8","2","5","8","9","1") = "8"
    & skf18("1","8","2","5","8","10","1") = "9"
    & skf18("1","8","2","5","9","1","1") = "8"
    & skf18("1","8","2","5","9","2","1") = "8"
    & skf18("1","8","2","5","9","3","1") = "8"
    & skf18("1","8","2","5","9","4","1") = "8"
    & skf18("1","8","2","5","9","5","1") = "8"
    & skf18("1","8","2","5","9","6","1") = "8"
    & skf18("1","8","2","5","9","7","1") = "8"
    & skf18("1","8","2","5","9","8","1") = "8"
    & skf18("1","8","2","5","9","9","1") = "8"
    & skf18("1","8","2","5","9","10","1") = "9"
    & skf18("1","8","2","5","10","1","1") = "9"
    & skf18("1","8","2","5","10","2","1") = "9"
    & skf18("1","8","2","5","10","3","1") = "9"
    & skf18("1","8","2","5","10","4","1") = "9"
    & skf18("1","8","2","5","10","5","1") = "9"
    & skf18("1","8","2","5","10","6","1") = "9"
    & skf18("1","8","2","5","10","7","1") = "9"
    & skf18("1","8","2","5","10","8","1") = "9"
    & skf18("1","8","2","5","10","9","1") = "9"
    & skf18("1","8","2","5","10","10","1") = "9"
    & skf18("1","8","2","6","1","1","1") = "7"
    & skf18("1","8","2","6","1","2","1") = "7"
    & skf18("1","8","2","6","1","3","1") = "7"
    & skf18("1","8","2","6","1","4","1") = "7"
    & skf18("1","8","2","6","1","5","1") = "7"
    & skf18("1","8","2","6","1","6","1") = "7"
    & skf18("1","8","2","6","1","7","1") = "7"
    & skf18("1","8","2","6","1","8","1") = "7"
    & skf18("1","8","2","6","1","9","1") = "8"
    & skf18("1","8","2","6","1","10","1") = "9"
    & skf18("1","8","2","6","2","1","1") = "7"
    & skf18("1","8","2","6","2","2","1") = "7"
    & skf18("1","8","2","6","2","3","1") = "7"
    & skf18("1","8","2","6","2","4","1") = "7"
    & skf18("1","8","2","6","2","5","1") = "7"
    & skf18("1","8","2","6","2","6","1") = "7"
    & skf18("1","8","2","6","2","7","1") = "7"
    & skf18("1","8","2","6","2","8","1") = "7"
    & skf18("1","8","2","6","2","9","1") = "8"
    & skf18("1","8","2","6","2","10","1") = "9"
    & skf18("1","8","2","6","3","1","1") = "7"
    & skf18("1","8","2","6","3","2","1") = "7"
    & skf18("1","8","2","6","3","3","1") = "7"
    & skf18("1","8","2","6","3","4","1") = "7"
    & skf18("1","8","2","6","3","5","1") = "7"
    & skf18("1","8","2","6","3","6","1") = "7"
    & skf18("1","8","2","6","3","7","1") = "7"
    & skf18("1","8","2","6","3","8","1") = "7"
    & skf18("1","8","2","6","3","9","1") = "8"
    & skf18("1","8","2","6","3","10","1") = "9"
    & skf18("1","8","2","6","4","1","1") = "7"
    & skf18("1","8","2","6","4","2","1") = "7"
    & skf18("1","8","2","6","4","3","1") = "7"
    & skf18("1","8","2","6","4","4","1") = "7"
    & skf18("1","8","2","6","4","5","1") = "7"
    & skf18("1","8","2","6","4","6","1") = "7"
    & skf18("1","8","2","6","4","7","1") = "7"
    & skf18("1","8","2","6","4","8","1") = "7"
    & skf18("1","8","2","6","4","9","1") = "8"
    & skf18("1","8","2","6","4","10","1") = "9"
    & skf18("1","8","2","6","5","1","1") = "7"
    & skf18("1","8","2","6","5","2","1") = "7"
    & skf18("1","8","2","6","5","3","1") = "7"
    & skf18("1","8","2","6","5","4","1") = "7"
    & skf18("1","8","2","6","5","5","1") = "7"
    & skf18("1","8","2","6","5","6","1") = "7"
    & skf18("1","8","2","6","5","7","1") = "7"
    & skf18("1","8","2","6","5","8","1") = "7"
    & skf18("1","8","2","6","5","9","1") = "8"
    & skf18("1","8","2","6","5","10","1") = "9"
    & skf18("1","8","2","6","6","1","1") = "7"
    & skf18("1","8","2","6","6","2","1") = "7"
    & skf18("1","8","2","6","6","3","1") = "7"
    & skf18("1","8","2","6","6","4","1") = "7"
    & skf18("1","8","2","6","6","5","1") = "7"
    & skf18("1","8","2","6","6","6","1") = "7"
    & skf18("1","8","2","6","6","7","1") = "7"
    & skf18("1","8","2","6","6","8","1") = "7"
    & skf18("1","8","2","6","6","9","1") = "8"
    & skf18("1","8","2","6","6","10","1") = "9"
    & skf18("1","8","2","6","7","1","1") = "7"
    & skf18("1","8","2","6","7","2","1") = "7"
    & skf18("1","8","2","6","7","3","1") = "7"
    & skf18("1","8","2","6","7","4","1") = "7"
    & skf18("1","8","2","6","7","5","1") = "7"
    & skf18("1","8","2","6","7","6","1") = "7"
    & skf18("1","8","2","6","7","7","1") = "7"
    & skf18("1","8","2","6","7","8","1") = "7"
    & skf18("1","8","2","6","7","9","1") = "8"
    & skf18("1","8","2","6","7","10","1") = "9"
    & skf18("1","8","2","6","8","1","1") = "7"
    & skf18("1","8","2","6","8","2","1") = "7"
    & skf18("1","8","2","6","8","3","1") = "7"
    & skf18("1","8","2","6","8","4","1") = "7"
    & skf18("1","8","2","6","8","5","1") = "7"
    & skf18("1","8","2","6","8","6","1") = "7"
    & skf18("1","8","2","6","8","7","1") = "7"
    & skf18("1","8","2","6","8","8","1") = "7"
    & skf18("1","8","2","6","8","9","1") = "8"
    & skf18("1","8","2","6","8","10","1") = "9"
    & skf18("1","8","2","6","9","1","1") = "8"
    & skf18("1","8","2","6","9","2","1") = "8"
    & skf18("1","8","2","6","9","3","1") = "8"
    & skf18("1","8","2","6","9","4","1") = "8"
    & skf18("1","8","2","6","9","5","1") = "8"
    & skf18("1","8","2","6","9","6","1") = "8"
    & skf18("1","8","2","6","9","7","1") = "8"
    & skf18("1","8","2","6","9","8","1") = "8"
    & skf18("1","8","2","6","9","9","1") = "8"
    & skf18("1","8","2","6","9","10","1") = "9"
    & skf18("1","8","2","6","10","1","1") = "9"
    & skf18("1","8","2","6","10","2","1") = "9"
    & skf18("1","8","2","6","10","3","1") = "9"
    & skf18("1","8","2","6","10","4","1") = "9"
    & skf18("1","8","2","6","10","5","1") = "9"
    & skf18("1","8","2","6","10","6","1") = "9"
    & skf18("1","8","2","6","10","7","1") = "9"
    & skf18("1","8","2","6","10","8","1") = "9"
    & skf18("1","8","2","6","10","9","1") = "9"
    & skf18("1","8","2","6","10","10","1") = "9"
    & skf18("1","8","2","7","1","1","1") = "7"
    & skf18("1","8","2","7","1","2","1") = "7"
    & skf18("1","8","2","7","1","3","1") = "7"
    & skf18("1","8","2","7","1","4","1") = "7"
    & skf18("1","8","2","7","1","5","1") = "7"
    & skf18("1","8","2","7","1","6","1") = "7"
    & skf18("1","8","2","7","1","7","1") = "7"
    & skf18("1","8","2","7","1","8","1") = "7"
    & skf18("1","8","2","7","1","9","1") = "8"
    & skf18("1","8","2","7","1","10","1") = "9"
    & skf18("1","8","2","7","2","1","1") = "7"
    & skf18("1","8","2","7","2","2","1") = "7"
    & skf18("1","8","2","7","2","3","1") = "7"
    & skf18("1","8","2","7","2","4","1") = "7"
    & skf18("1","8","2","7","2","5","1") = "7"
    & skf18("1","8","2","7","2","6","1") = "7"
    & skf18("1","8","2","7","2","7","1") = "7"
    & skf18("1","8","2","7","2","8","1") = "7"
    & skf18("1","8","2","7","2","9","1") = "8"
    & skf18("1","8","2","7","2","10","1") = "9"
    & skf18("1","8","2","7","3","1","1") = "7"
    & skf18("1","8","2","7","3","2","1") = "7"
    & skf18("1","8","2","7","3","3","1") = "7"
    & skf18("1","8","2","7","3","4","1") = "7"
    & skf18("1","8","2","7","3","5","1") = "7"
    & skf18("1","8","2","7","3","6","1") = "7"
    & skf18("1","8","2","7","3","7","1") = "7"
    & skf18("1","8","2","7","3","8","1") = "7"
    & skf18("1","8","2","7","3","9","1") = "8"
    & skf18("1","8","2","7","3","10","1") = "9"
    & skf18("1","8","2","7","4","1","1") = "7"
    & skf18("1","8","2","7","4","2","1") = "7"
    & skf18("1","8","2","7","4","3","1") = "7"
    & skf18("1","8","2","7","4","4","1") = "7"
    & skf18("1","8","2","7","4","5","1") = "7"
    & skf18("1","8","2","7","4","6","1") = "7"
    & skf18("1","8","2","7","4","7","1") = "7"
    & skf18("1","8","2","7","4","8","1") = "7"
    & skf18("1","8","2","7","4","9","1") = "8"
    & skf18("1","8","2","7","4","10","1") = "9"
    & skf18("1","8","2","7","5","1","1") = "7"
    & skf18("1","8","2","7","5","2","1") = "7"
    & skf18("1","8","2","7","5","3","1") = "7"
    & skf18("1","8","2","7","5","4","1") = "7"
    & skf18("1","8","2","7","5","5","1") = "7"
    & skf18("1","8","2","7","5","6","1") = "7"
    & skf18("1","8","2","7","5","7","1") = "7"
    & skf18("1","8","2","7","5","8","1") = "7"
    & skf18("1","8","2","7","5","9","1") = "8"
    & skf18("1","8","2","7","5","10","1") = "9"
    & skf18("1","8","2","7","6","1","1") = "7"
    & skf18("1","8","2","7","6","2","1") = "7"
    & skf18("1","8","2","7","6","3","1") = "7"
    & skf18("1","8","2","7","6","4","1") = "7"
    & skf18("1","8","2","7","6","5","1") = "7"
    & skf18("1","8","2","7","6","6","1") = "7"
    & skf18("1","8","2","7","6","7","1") = "7"
    & skf18("1","8","2","7","6","8","1") = "7"
    & skf18("1","8","2","7","6","9","1") = "8"
    & skf18("1","8","2","7","6","10","1") = "9"
    & skf18("1","8","2","7","7","1","1") = "7"
    & skf18("1","8","2","7","7","2","1") = "7"
    & skf18("1","8","2","7","7","3","1") = "7"
    & skf18("1","8","2","7","7","4","1") = "7"
    & skf18("1","8","2","7","7","5","1") = "7"
    & skf18("1","8","2","7","7","6","1") = "7"
    & skf18("1","8","2","7","7","7","1") = "7"
    & skf18("1","8","2","7","7","8","1") = "7"
    & skf18("1","8","2","7","7","9","1") = "8"
    & skf18("1","8","2","7","7","10","1") = "9"
    & skf18("1","8","2","7","8","1","1") = "7"
    & skf18("1","8","2","7","8","2","1") = "7"
    & skf18("1","8","2","7","8","3","1") = "7"
    & skf18("1","8","2","7","8","4","1") = "7"
    & skf18("1","8","2","7","8","5","1") = "7"
    & skf18("1","8","2","7","8","6","1") = "7"
    & skf18("1","8","2","7","8","7","1") = "7"
    & skf18("1","8","2","7","8","8","1") = "7"
    & skf18("1","8","2","7","8","9","1") = "8"
    & skf18("1","8","2","7","8","10","1") = "9"
    & skf18("1","8","2","7","9","1","1") = "8"
    & skf18("1","8","2","7","9","2","1") = "8"
    & skf18("1","8","2","7","9","3","1") = "8"
    & skf18("1","8","2","7","9","4","1") = "8"
    & skf18("1","8","2","7","9","5","1") = "8"
    & skf18("1","8","2","7","9","6","1") = "8"
    & skf18("1","8","2","7","9","7","1") = "8"
    & skf18("1","8","2","7","9","8","1") = "8"
    & skf18("1","8","2","7","9","9","1") = "8"
    & skf18("1","8","2","7","9","10","1") = "9"
    & skf18("1","8","2","7","10","1","1") = "9"
    & skf18("1","8","2","7","10","2","1") = "9"
    & skf18("1","8","2","7","10","3","1") = "9"
    & skf18("1","8","2","7","10","4","1") = "9"
    & skf18("1","8","2","7","10","5","1") = "9"
    & skf18("1","8","2","7","10","6","1") = "9"
    & skf18("1","8","2","7","10","7","1") = "9"
    & skf18("1","8","2","7","10","8","1") = "9"
    & skf18("1","8","2","7","10","9","1") = "9"
    & skf18("1","8","2","7","10","10","1") = "9"
    & skf18("1","8","2","8","1","1","1") = "7"
    & skf18("1","8","2","8","1","2","1") = "7"
    & skf18("1","8","2","8","1","3","1") = "7"
    & skf18("1","8","2","8","1","4","1") = "7"
    & skf18("1","8","2","8","1","5","1") = "7"
    & skf18("1","8","2","8","1","6","1") = "7"
    & skf18("1","8","2","8","1","7","1") = "7"
    & skf18("1","8","2","8","1","8","1") = "7"
    & skf18("1","8","2","8","1","9","1") = "8"
    & skf18("1","8","2","8","1","10","1") = "9"
    & skf18("1","8","2","8","2","1","1") = "7"
    & skf18("1","8","2","8","2","2","1") = "7"
    & skf18("1","8","2","8","2","3","1") = "7"
    & skf18("1","8","2","8","2","4","1") = "7"
    & skf18("1","8","2","8","2","5","1") = "7"
    & skf18("1","8","2","8","2","6","1") = "7"
    & skf18("1","8","2","8","2","7","1") = "7"
    & skf18("1","8","2","8","2","8","1") = "7"
    & skf18("1","8","2","8","2","9","1") = "8"
    & skf18("1","8","2","8","2","10","1") = "9"
    & skf18("1","8","2","8","3","1","1") = "7"
    & skf18("1","8","2","8","3","2","1") = "7"
    & skf18("1","8","2","8","3","3","1") = "7"
    & skf18("1","8","2","8","3","4","1") = "7"
    & skf18("1","8","2","8","3","5","1") = "7"
    & skf18("1","8","2","8","3","6","1") = "7"
    & skf18("1","8","2","8","3","7","1") = "7"
    & skf18("1","8","2","8","3","8","1") = "7"
    & skf18("1","8","2","8","3","9","1") = "8"
    & skf18("1","8","2","8","3","10","1") = "9"
    & skf18("1","8","2","8","4","1","1") = "7"
    & skf18("1","8","2","8","4","2","1") = "7"
    & skf18("1","8","2","8","4","3","1") = "7"
    & skf18("1","8","2","8","4","4","1") = "7"
    & skf18("1","8","2","8","4","5","1") = "7"
    & skf18("1","8","2","8","4","6","1") = "7"
    & skf18("1","8","2","8","4","7","1") = "7"
    & skf18("1","8","2","8","4","8","1") = "7"
    & skf18("1","8","2","8","4","9","1") = "8"
    & skf18("1","8","2","8","4","10","1") = "9"
    & skf18("1","8","2","8","5","1","1") = "7"
    & skf18("1","8","2","8","5","2","1") = "7"
    & skf18("1","8","2","8","5","3","1") = "7"
    & skf18("1","8","2","8","5","4","1") = "7"
    & skf18("1","8","2","8","5","5","1") = "7"
    & skf18("1","8","2","8","5","6","1") = "7"
    & skf18("1","8","2","8","5","7","1") = "7"
    & skf18("1","8","2","8","5","8","1") = "7"
    & skf18("1","8","2","8","5","9","1") = "8"
    & skf18("1","8","2","8","5","10","1") = "9"
    & skf18("1","8","2","8","6","1","1") = "7"
    & skf18("1","8","2","8","6","2","1") = "7"
    & skf18("1","8","2","8","6","3","1") = "7"
    & skf18("1","8","2","8","6","4","1") = "7"
    & skf18("1","8","2","8","6","5","1") = "7"
    & skf18("1","8","2","8","6","6","1") = "7"
    & skf18("1","8","2","8","6","7","1") = "7"
    & skf18("1","8","2","8","6","8","1") = "7"
    & skf18("1","8","2","8","6","9","1") = "8"
    & skf18("1","8","2","8","6","10","1") = "9"
    & skf18("1","8","2","8","7","1","1") = "7"
    & skf18("1","8","2","8","7","2","1") = "7"
    & skf18("1","8","2","8","7","3","1") = "7"
    & skf18("1","8","2","8","7","4","1") = "7"
    & skf18("1","8","2","8","7","5","1") = "7"
    & skf18("1","8","2","8","7","6","1") = "7"
    & skf18("1","8","2","8","7","7","1") = "7"
    & skf18("1","8","2","8","7","8","1") = "7"
    & skf18("1","8","2","8","7","9","1") = "8"
    & skf18("1","8","2","8","7","10","1") = "9"
    & skf18("1","8","2","8","8","1","1") = "7"
    & skf18("1","8","2","8","8","2","1") = "7"
    & skf18("1","8","2","8","8","3","1") = "7"
    & skf18("1","8","2","8","8","4","1") = "7"
    & skf18("1","8","2","8","8","5","1") = "7"
    & skf18("1","8","2","8","8","6","1") = "7"
    & skf18("1","8","2","8","8","7","1") = "7"
    & skf18("1","8","2","8","8","8","1") = "7"
    & skf18("1","8","2","8","8","9","1") = "8"
    & skf18("1","8","2","8","8","10","1") = "9"
    & skf18("1","8","2","8","9","1","1") = "8"
    & skf18("1","8","2","8","9","2","1") = "8"
    & skf18("1","8","2","8","9","3","1") = "8"
    & skf18("1","8","2","8","9","4","1") = "8"
    & skf18("1","8","2","8","9","5","1") = "8"
    & skf18("1","8","2","8","9","6","1") = "8"
    & skf18("1","8","2","8","9","7","1") = "8"
    & skf18("1","8","2","8","9","8","1") = "8"
    & skf18("1","8","2","8","9","9","1") = "8"
    & skf18("1","8","2","8","9","10","1") = "9"
    & skf18("1","8","2","8","10","1","1") = "9"
    & skf18("1","8","2","8","10","2","1") = "9"
    & skf18("1","8","2","8","10","3","1") = "9"
    & skf18("1","8","2","8","10","4","1") = "9"
    & skf18("1","8","2","8","10","5","1") = "9"
    & skf18("1","8","2","8","10","6","1") = "9"
    & skf18("1","8","2","8","10","7","1") = "9"
    & skf18("1","8","2","8","10","8","1") = "9"
    & skf18("1","8","2","8","10","9","1") = "9"
    & skf18("1","8","2","8","10","10","1") = "9"
    & skf18("1","8","2","9","1","1","1") = "8"
    & skf18("1","8","2","9","1","2","1") = "8"
    & skf18("1","8","2","9","1","3","1") = "8"
    & skf18("1","8","2","9","1","4","1") = "8"
    & skf18("1","8","2","9","1","5","1") = "8"
    & skf18("1","8","2","9","1","6","1") = "8"
    & skf18("1","8","2","9","1","7","1") = "8"
    & skf18("1","8","2","9","1","8","1") = "8"
    & skf18("1","8","2","9","1","9","1") = "8"
    & skf18("1","8","2","9","1","10","1") = "9"
    & skf18("1","8","2","9","2","1","1") = "8"
    & skf18("1","8","2","9","2","2","1") = "8"
    & skf18("1","8","2","9","2","3","1") = "8"
    & skf18("1","8","2","9","2","4","1") = "8"
    & skf18("1","8","2","9","2","5","1") = "8"
    & skf18("1","8","2","9","2","6","1") = "8"
    & skf18("1","8","2","9","2","7","1") = "8"
    & skf18("1","8","2","9","2","8","1") = "8"
    & skf18("1","8","2","9","2","9","1") = "8"
    & skf18("1","8","2","9","2","10","1") = "9"
    & skf18("1","8","2","9","3","1","1") = "8"
    & skf18("1","8","2","9","3","2","1") = "8"
    & skf18("1","8","2","9","3","3","1") = "8"
    & skf18("1","8","2","9","3","4","1") = "8"
    & skf18("1","8","2","9","3","5","1") = "8"
    & skf18("1","8","2","9","3","6","1") = "8"
    & skf18("1","8","2","9","3","7","1") = "8"
    & skf18("1","8","2","9","3","8","1") = "8"
    & skf18("1","8","2","9","3","9","1") = "8"
    & skf18("1","8","2","9","3","10","1") = "9"
    & skf18("1","8","2","9","4","1","1") = "8"
    & skf18("1","8","2","9","4","2","1") = "8"
    & skf18("1","8","2","9","4","3","1") = "8"
    & skf18("1","8","2","9","4","4","1") = "8"
    & skf18("1","8","2","9","4","5","1") = "8"
    & skf18("1","8","2","9","4","6","1") = "8"
    & skf18("1","8","2","9","4","7","1") = "8"
    & skf18("1","8","2","9","4","8","1") = "8"
    & skf18("1","8","2","9","4","9","1") = "8"
    & skf18("1","8","2","9","4","10","1") = "9"
    & skf18("1","8","2","9","5","1","1") = "8"
    & skf18("1","8","2","9","5","2","1") = "8"
    & skf18("1","8","2","9","5","3","1") = "8"
    & skf18("1","8","2","9","5","4","1") = "8"
    & skf18("1","8","2","9","5","5","1") = "8"
    & skf18("1","8","2","9","5","6","1") = "8"
    & skf18("1","8","2","9","5","7","1") = "8"
    & skf18("1","8","2","9","5","8","1") = "8"
    & skf18("1","8","2","9","5","9","1") = "8"
    & skf18("1","8","2","9","5","10","1") = "9"
    & skf18("1","8","2","9","6","1","1") = "8"
    & skf18("1","8","2","9","6","2","1") = "8"
    & skf18("1","8","2","9","6","3","1") = "8"
    & skf18("1","8","2","9","6","4","1") = "8"
    & skf18("1","8","2","9","6","5","1") = "8"
    & skf18("1","8","2","9","6","6","1") = "8"
    & skf18("1","8","2","9","6","7","1") = "8"
    & skf18("1","8","2","9","6","8","1") = "8"
    & skf18("1","8","2","9","6","9","1") = "8"
    & skf18("1","8","2","9","6","10","1") = "9"
    & skf18("1","8","2","9","7","1","1") = "8"
    & skf18("1","8","2","9","7","2","1") = "8"
    & skf18("1","8","2","9","7","3","1") = "8"
    & skf18("1","8","2","9","7","4","1") = "8"
    & skf18("1","8","2","9","7","5","1") = "8"
    & skf18("1","8","2","9","7","6","1") = "8"
    & skf18("1","8","2","9","7","7","1") = "8"
    & skf18("1","8","2","9","7","8","1") = "8"
    & skf18("1","8","2","9","7","9","1") = "8"
    & skf18("1","8","2","9","7","10","1") = "9"
    & skf18("1","8","2","9","8","1","1") = "8"
    & skf18("1","8","2","9","8","2","1") = "8"
    & skf18("1","8","2","9","8","3","1") = "8"
    & skf18("1","8","2","9","8","4","1") = "8"
    & skf18("1","8","2","9","8","5","1") = "8"
    & skf18("1","8","2","9","8","6","1") = "8"
    & skf18("1","8","2","9","8","7","1") = "8"
    & skf18("1","8","2","9","8","8","1") = "8"
    & skf18("1","8","2","9","8","9","1") = "8"
    & skf18("1","8","2","9","8","10","1") = "9"
    & skf18("1","8","2","9","9","1","1") = "8"
    & skf18("1","8","2","9","9","2","1") = "8"
    & skf18("1","8","2","9","9","3","1") = "8"
    & skf18("1","8","2","9","9","4","1") = "8"
    & skf18("1","8","2","9","9","5","1") = "8"
    & skf18("1","8","2","9","9","6","1") = "8"
    & skf18("1","8","2","9","9","7","1") = "8"
    & skf18("1","8","2","9","9","8","1") = "8"
    & skf18("1","8","2","9","9","9","1") = "8"
    & skf18("1","8","2","9","9","10","1") = "9"
    & skf18("1","8","2","9","10","1","1") = "9"
    & skf18("1","8","2","9","10","2","1") = "9"
    & skf18("1","8","2","9","10","3","1") = "9"
    & skf18("1","8","2","9","10","4","1") = "9"
    & skf18("1","8","2","9","10","5","1") = "9"
    & skf18("1","8","2","9","10","6","1") = "9"
    & skf18("1","8","2","9","10","7","1") = "9"
    & skf18("1","8","2","9","10","8","1") = "9"
    & skf18("1","8","2","9","10","9","1") = "9"
    & skf18("1","8","2","9","10","10","1") = "9"
    & skf18("1","8","2","10","1","1","1") = "9"
    & skf18("1","8","2","10","1","2","1") = "9"
    & skf18("1","8","2","10","1","3","1") = "9"
    & skf18("1","8","2","10","1","4","1") = "9"
    & skf18("1","8","2","10","1","5","1") = "9"
    & skf18("1","8","2","10","1","6","1") = "9"
    & skf18("1","8","2","10","1","7","1") = "9"
    & skf18("1","8","2","10","1","8","1") = "9"
    & skf18("1","8","2","10","1","9","1") = "9"
    & skf18("1","8","2","10","1","10","1") = "9"
    & skf18("1","8","2","10","2","1","1") = "9"
    & skf18("1","8","2","10","2","2","1") = "9"
    & skf18("1","8","2","10","2","3","1") = "9"
    & skf18("1","8","2","10","2","4","1") = "9"
    & skf18("1","8","2","10","2","5","1") = "9"
    & skf18("1","8","2","10","2","6","1") = "9"
    & skf18("1","8","2","10","2","7","1") = "9"
    & skf18("1","8","2","10","2","8","1") = "9"
    & skf18("1","8","2","10","2","9","1") = "9"
    & skf18("1","8","2","10","2","10","1") = "9"
    & skf18("1","8","2","10","3","1","1") = "9"
    & skf18("1","8","2","10","3","2","1") = "9"
    & skf18("1","8","2","10","3","3","1") = "9"
    & skf18("1","8","2","10","3","4","1") = "9"
    & skf18("1","8","2","10","3","5","1") = "9"
    & skf18("1","8","2","10","3","6","1") = "9"
    & skf18("1","8","2","10","3","7","1") = "9"
    & skf18("1","8","2","10","3","8","1") = "9"
    & skf18("1","8","2","10","3","9","1") = "9"
    & skf18("1","8","2","10","3","10","1") = "9"
    & skf18("1","8","2","10","4","1","1") = "9"
    & skf18("1","8","2","10","4","2","1") = "9"
    & skf18("1","8","2","10","4","3","1") = "9"
    & skf18("1","8","2","10","4","4","1") = "9"
    & skf18("1","8","2","10","4","5","1") = "9"
    & skf18("1","8","2","10","4","6","1") = "9"
    & skf18("1","8","2","10","4","7","1") = "9"
    & skf18("1","8","2","10","4","8","1") = "9"
    & skf18("1","8","2","10","4","9","1") = "9"
    & skf18("1","8","2","10","4","10","1") = "9"
    & skf18("1","8","2","10","5","1","1") = "9"
    & skf18("1","8","2","10","5","2","1") = "9"
    & skf18("1","8","2","10","5","3","1") = "9"
    & skf18("1","8","2","10","5","4","1") = "9"
    & skf18("1","8","2","10","5","5","1") = "9"
    & skf18("1","8","2","10","5","6","1") = "9"
    & skf18("1","8","2","10","5","7","1") = "9"
    & skf18("1","8","2","10","5","8","1") = "9"
    & skf18("1","8","2","10","5","9","1") = "9"
    & skf18("1","8","2","10","5","10","1") = "9"
    & skf18("1","8","2","10","6","1","1") = "9"
    & skf18("1","8","2","10","6","2","1") = "9"
    & skf18("1","8","2","10","6","3","1") = "9"
    & skf18("1","8","2","10","6","4","1") = "9"
    & skf18("1","8","2","10","6","5","1") = "9"
    & skf18("1","8","2","10","6","6","1") = "9"
    & skf18("1","8","2","10","6","7","1") = "9"
    & skf18("1","8","2","10","6","8","1") = "9"
    & skf18("1","8","2","10","6","9","1") = "9"
    & skf18("1","8","2","10","6","10","1") = "9"
    & skf18("1","8","2","10","7","1","1") = "9"
    & skf18("1","8","2","10","7","2","1") = "9"
    & skf18("1","8","2","10","7","3","1") = "9"
    & skf18("1","8","2","10","7","4","1") = "9"
    & skf18("1","8","2","10","7","5","1") = "9"
    & skf18("1","8","2","10","7","6","1") = "9"
    & skf18("1","8","2","10","7","7","1") = "9"
    & skf18("1","8","2","10","7","8","1") = "9"
    & skf18("1","8","2","10","7","9","1") = "9"
    & skf18("1","8","2","10","7","10","1") = "9"
    & skf18("1","8","2","10","8","1","1") = "9"
    & skf18("1","8","2","10","8","2","1") = "9"
    & skf18("1","8","2","10","8","3","1") = "9"
    & skf18("1","8","2","10","8","4","1") = "9"
    & skf18("1","8","2","10","8","5","1") = "9"
    & skf18("1","8","2","10","8","6","1") = "9"
    & skf18("1","8","2","10","8","7","1") = "9"
    & skf18("1","8","2","10","8","8","1") = "9"
    & skf18("1","8","2","10","8","9","1") = "9"
    & skf18("1","8","2","10","8","10","1") = "9"
    & skf18("1","8","2","10","9","1","1") = "9"
    & skf18("1","8","2","10","9","2","1") = "9"
    & skf18("1","8","2","10","9","3","1") = "9"
    & skf18("1","8","2","10","9","4","1") = "9"
    & skf18("1","8","2","10","9","5","1") = "9"
    & skf18("1","8","2","10","9","6","1") = "9"
    & skf18("1","8","2","10","9","7","1") = "9"
    & skf18("1","8","2","10","9","8","1") = "9"
    & skf18("1","8","2","10","9","9","1") = "9"
    & skf18("1","8","2","10","9","10","1") = "9"
    & skf18("1","8","2","10","10","1","1") = "9"
    & skf18("1","8","2","10","10","2","1") = "9"
    & skf18("1","8","2","10","10","3","1") = "9"
    & skf18("1","8","2","10","10","4","1") = "9"
    & skf18("1","8","2","10","10","5","1") = "9"
    & skf18("1","8","2","10","10","6","1") = "9"
    & skf18("1","8","2","10","10","7","1") = "9"
    & skf18("1","8","2","10","10","8","1") = "9"
    & skf18("1","8","2","10","10","9","1") = "9"
    & skf18("1","8","2","10","10","10","1") = "9"
    & skf18("1","8","3","1","1","1","1") = "7"
    & skf18("1","8","3","1","1","2","1") = "7"
    & skf18("1","8","3","1","1","3","1") = "7"
    & skf18("1","8","3","1","1","4","1") = "7"
    & skf18("1","8","3","1","1","5","1") = "7"
    & skf18("1","8","3","1","1","6","1") = "7"
    & skf18("1","8","3","1","1","7","1") = "7"
    & skf18("1","8","3","1","1","8","1") = "7"
    & skf18("1","8","3","1","1","9","1") = "8"
    & skf18("1","8","3","1","1","10","1") = "9"
    & skf18("1","8","3","1","2","1","1") = "7"
    & skf18("1","8","3","1","2","2","1") = "7"
    & skf18("1","8","3","1","2","3","1") = "7"
    & skf18("1","8","3","1","2","4","1") = "7"
    & skf18("1","8","3","1","2","5","1") = "7"
    & skf18("1","8","3","1","2","6","1") = "7"
    & skf18("1","8","3","1","2","7","1") = "7"
    & skf18("1","8","3","1","2","8","1") = "7"
    & skf18("1","8","3","1","2","9","1") = "8"
    & skf18("1","8","3","1","2","10","1") = "9"
    & skf18("1","8","3","1","3","1","1") = "7"
    & skf18("1","8","3","1","3","2","1") = "7"
    & skf18("1","8","3","1","3","3","1") = "7"
    & skf18("1","8","3","1","3","4","1") = "7"
    & skf18("1","8","3","1","3","5","1") = "7"
    & skf18("1","8","3","1","3","6","1") = "7"
    & skf18("1","8","3","1","3","7","1") = "7"
    & skf18("1","8","3","1","3","8","1") = "7"
    & skf18("1","8","3","1","3","9","1") = "8"
    & skf18("1","8","3","1","3","10","1") = "9"
    & skf18("1","8","3","1","4","1","1") = "7"
    & skf18("1","8","3","1","4","2","1") = "7"
    & skf18("1","8","3","1","4","3","1") = "7"
    & skf18("1","8","3","1","4","4","1") = "7"
    & skf18("1","8","3","1","4","5","1") = "7"
    & skf18("1","8","3","1","4","6","1") = "7"
    & skf18("1","8","3","1","4","7","1") = "7"
    & skf18("1","8","3","1","4","8","1") = "7"
    & skf18("1","8","3","1","4","9","1") = "8"
    & skf18("1","8","3","1","4","10","1") = "9"
    & skf18("1","8","3","1","5","1","1") = "7"
    & skf18("1","8","3","1","5","2","1") = "7"
    & skf18("1","8","3","1","5","3","1") = "7"
    & skf18("1","8","3","1","5","4","1") = "7"
    & skf18("1","8","3","1","5","5","1") = "7"
    & skf18("1","8","3","1","5","6","1") = "7"
    & skf18("1","8","3","1","5","7","1") = "7"
    & skf18("1","8","3","1","5","8","1") = "7"
    & skf18("1","8","3","1","5","9","1") = "8"
    & skf18("1","8","3","1","5","10","1") = "9"
    & skf18("1","8","3","1","6","1","1") = "7"
    & skf18("1","8","3","1","6","2","1") = "7"
    & skf18("1","8","3","1","6","3","1") = "7"
    & skf18("1","8","3","1","6","4","1") = "7"
    & skf18("1","8","3","1","6","5","1") = "7"
    & skf18("1","8","3","1","6","6","1") = "7"
    & skf18("1","8","3","1","6","7","1") = "7"
    & skf18("1","8","3","1","6","8","1") = "7"
    & skf18("1","8","3","1","6","9","1") = "8"
    & skf18("1","8","3","1","6","10","1") = "9"
    & skf18("1","8","3","1","7","1","1") = "7"
    & skf18("1","8","3","1","7","2","1") = "7"
    & skf18("1","8","3","1","7","3","1") = "7"
    & skf18("1","8","3","1","7","4","1") = "7"
    & skf18("1","8","3","1","7","5","1") = "7"
    & skf18("1","8","3","1","7","6","1") = "7"
    & skf18("1","8","3","1","7","7","1") = "7"
    & skf18("1","8","3","1","7","8","1") = "7"
    & skf18("1","8","3","1","7","9","1") = "8"
    & skf18("1","8","3","1","7","10","1") = "9"
    & skf18("1","8","3","1","8","1","1") = "7"
    & skf18("1","8","3","1","8","2","1") = "7"
    & skf18("1","8","3","1","8","3","1") = "7"
    & skf18("1","8","3","1","8","4","1") = "7"
    & skf18("1","8","3","1","8","5","1") = "7"
    & skf18("1","8","3","1","8","6","1") = "7"
    & skf18("1","8","3","1","8","7","1") = "7"
    & skf18("1","8","3","1","8","8","1") = "7"
    & skf18("1","8","3","1","8","9","1") = "8"
    & skf18("1","8","3","1","8","10","1") = "9"
    & skf18("1","8","3","1","9","1","1") = "8"
    & skf18("1","8","3","1","9","2","1") = "8"
    & skf18("1","8","3","1","9","3","1") = "8"
    & skf18("1","8","3","1","9","4","1") = "8"
    & skf18("1","8","3","1","9","5","1") = "8"
    & skf18("1","8","3","1","9","6","1") = "8"
    & skf18("1","8","3","1","9","7","1") = "8"
    & skf18("1","8","3","1","9","8","1") = "8"
    & skf18("1","8","3","1","9","9","1") = "8"
    & skf18("1","8","3","1","9","10","1") = "9"
    & skf18("1","8","3","1","10","1","1") = "9"
    & skf18("1","8","3","1","10","2","1") = "9"
    & skf18("1","8","3","1","10","3","1") = "9"
    & skf18("1","8","3","1","10","4","1") = "9"
    & skf18("1","8","3","1","10","5","1") = "9"
    & skf18("1","8","3","1","10","6","1") = "9"
    & skf18("1","8","3","1","10","7","1") = "9"
    & skf18("1","8","3","1","10","8","1") = "9"
    & skf18("1","8","3","1","10","9","1") = "9"
    & skf18("1","8","3","1","10","10","1") = "9"
    & skf18("1","8","3","2","1","1","1") = "7"
    & skf18("1","8","3","2","1","2","1") = "7"
    & skf18("1","8","3","2","1","3","1") = "7"
    & skf18("1","8","3","2","1","4","1") = "7"
    & skf18("1","8","3","2","1","5","1") = "7"
    & skf18("1","8","3","2","1","6","1") = "7"
    & skf18("1","8","3","2","1","7","1") = "7"
    & skf18("1","8","3","2","1","8","1") = "7"
    & skf18("1","8","3","2","1","9","1") = "8"
    & skf18("1","8","3","2","1","10","1") = "9"
    & skf18("1","8","3","2","2","1","1") = "7"
    & skf18("1","8","3","2","2","2","1") = "7"
    & skf18("1","8","3","2","2","3","1") = "7"
    & skf18("1","8","3","2","2","4","1") = "7"
    & skf18("1","8","3","2","2","5","1") = "7"
    & skf18("1","8","3","2","2","6","1") = "7"
    & skf18("1","8","3","2","2","7","1") = "7"
    & skf18("1","8","3","2","2","8","1") = "7"
    & skf18("1","8","3","2","2","9","1") = "8"
    & skf18("1","8","3","2","2","10","1") = "9"
    & skf18("1","8","3","2","3","1","1") = "7"
    & skf18("1","8","3","2","3","2","1") = "7"
    & skf18("1","8","3","2","3","3","1") = "7"
    & skf18("1","8","3","2","3","4","1") = "7"
    & skf18("1","8","3","2","3","5","1") = "7"
    & skf18("1","8","3","2","3","6","1") = "7"
    & skf18("1","8","3","2","3","7","1") = "7"
    & skf18("1","8","3","2","3","8","1") = "7"
    & skf18("1","8","3","2","3","9","1") = "8"
    & skf18("1","8","3","2","3","10","1") = "9"
    & skf18("1","8","3","2","4","1","1") = "7"
    & skf18("1","8","3","2","4","2","1") = "7"
    & skf18("1","8","3","2","4","3","1") = "7"
    & skf18("1","8","3","2","4","4","1") = "7"
    & skf18("1","8","3","2","4","5","1") = "7"
    & skf18("1","8","3","2","4","6","1") = "7"
    & skf18("1","8","3","2","4","7","1") = "7"
    & skf18("1","8","3","2","4","8","1") = "7"
    & skf18("1","8","3","2","4","9","1") = "8"
    & skf18("1","8","3","2","4","10","1") = "9"
    & skf18("1","8","3","2","5","1","1") = "7"
    & skf18("1","8","3","2","5","2","1") = "7"
    & skf18("1","8","3","2","5","3","1") = "7"
    & skf18("1","8","3","2","5","4","1") = "7"
    & skf18("1","8","3","2","5","5","1") = "7"
    & skf18("1","8","3","2","5","6","1") = "7"
    & skf18("1","8","3","2","5","7","1") = "7"
    & skf18("1","8","3","2","5","8","1") = "7"
    & skf18("1","8","3","2","5","9","1") = "8"
    & skf18("1","8","3","2","5","10","1") = "9"
    & skf18("1","8","3","2","6","1","1") = "7"
    & skf18("1","8","3","2","6","2","1") = "7"
    & skf18("1","8","3","2","6","3","1") = "7"
    & skf18("1","8","3","2","6","4","1") = "7"
    & skf18("1","8","3","2","6","5","1") = "7"
    & skf18("1","8","3","2","6","6","1") = "7"
    & skf18("1","8","3","2","6","7","1") = "7"
    & skf18("1","8","3","2","6","8","1") = "7"
    & skf18("1","8","3","2","6","9","1") = "8"
    & skf18("1","8","3","2","6","10","1") = "9"
    & skf18("1","8","3","2","7","1","1") = "7"
    & skf18("1","8","3","2","7","2","1") = "7"
    & skf18("1","8","3","2","7","3","1") = "7"
    & skf18("1","8","3","2","7","4","1") = "7"
    & skf18("1","8","3","2","7","5","1") = "7"
    & skf18("1","8","3","2","7","6","1") = "7"
    & skf18("1","8","3","2","7","7","1") = "7"
    & skf18("1","8","3","2","7","8","1") = "7"
    & skf18("1","8","3","2","7","9","1") = "8"
    & skf18("1","8","3","2","7","10","1") = "9"
    & skf18("1","8","3","2","8","1","1") = "7"
    & skf18("1","8","3","2","8","2","1") = "7"
    & skf18("1","8","3","2","8","3","1") = "7"
    & skf18("1","8","3","2","8","4","1") = "7"
    & skf18("1","8","3","2","8","5","1") = "7"
    & skf18("1","8","3","2","8","6","1") = "7"
    & skf18("1","8","3","2","8","7","1") = "7"
    & skf18("1","8","3","2","8","8","1") = "7"
    & skf18("1","8","3","2","8","9","1") = "8"
    & skf18("1","8","3","2","8","10","1") = "9"
    & skf18("1","8","3","2","9","1","1") = "8"
    & skf18("1","8","3","2","9","2","1") = "8"
    & skf18("1","8","3","2","9","3","1") = "8"
    & skf18("1","8","3","2","9","4","1") = "8"
    & skf18("1","8","3","2","9","5","1") = "8"
    & skf18("1","8","3","2","9","6","1") = "8"
    & skf18("1","8","3","2","9","7","1") = "8"
    & skf18("1","8","3","2","9","8","1") = "8"
    & skf18("1","8","3","2","9","9","1") = "8"
    & skf18("1","8","3","2","9","10","1") = "9"
    & skf18("1","8","3","2","10","1","1") = "9"
    & skf18("1","8","3","2","10","2","1") = "9"
    & skf18("1","8","3","2","10","3","1") = "9"
    & skf18("1","8","3","2","10","4","1") = "9"
    & skf18("1","8","3","2","10","5","1") = "9"
    & skf18("1","8","3","2","10","6","1") = "9"
    & skf18("1","8","3","2","10","7","1") = "9"
    & skf18("1","8","3","2","10","8","1") = "9"
    & skf18("1","8","3","2","10","9","1") = "9"
    & skf18("1","8","3","2","10","10","1") = "9"
    & skf18("1","8","3","3","1","1","1") = "7"
    & skf18("1","8","3","3","1","2","1") = "7"
    & skf18("1","8","3","3","1","3","1") = "7"
    & skf18("1","8","3","3","1","4","1") = "7"
    & skf18("1","8","3","3","1","5","1") = "7"
    & skf18("1","8","3","3","1","6","1") = "7"
    & skf18("1","8","3","3","1","7","1") = "7"
    & skf18("1","8","3","3","1","8","1") = "7"
    & skf18("1","8","3","3","1","9","1") = "8"
    & skf18("1","8","3","3","1","10","1") = "9"
    & skf18("1","8","3","3","2","1","1") = "7"
    & skf18("1","8","3","3","2","2","1") = "7"
    & skf18("1","8","3","3","2","3","1") = "7"
    & skf18("1","8","3","3","2","4","1") = "7"
    & skf18("1","8","3","3","2","5","1") = "7"
    & skf18("1","8","3","3","2","6","1") = "7"
    & skf18("1","8","3","3","2","7","1") = "7"
    & skf18("1","8","3","3","2","8","1") = "7"
    & skf18("1","8","3","3","2","9","1") = "8"
    & skf18("1","8","3","3","2","10","1") = "9"
    & skf18("1","8","3","3","3","1","1") = "7"
    & skf18("1","8","3","3","3","2","1") = "7"
    & skf18("1","8","3","3","3","3","1") = "7"
    & skf18("1","8","3","3","3","4","1") = "7"
    & skf18("1","8","3","3","3","5","1") = "7"
    & skf18("1","8","3","3","3","6","1") = "7"
    & skf18("1","8","3","3","3","7","1") = "7"
    & skf18("1","8","3","3","3","8","1") = "7"
    & skf18("1","8","3","3","3","9","1") = "8"
    & skf18("1","8","3","3","3","10","1") = "9"
    & skf18("1","8","3","3","4","1","1") = "7"
    & skf18("1","8","3","3","4","2","1") = "7"
    & skf18("1","8","3","3","4","3","1") = "7"
    & skf18("1","8","3","3","4","4","1") = "7"
    & skf18("1","8","3","3","4","5","1") = "7"
    & skf18("1","8","3","3","4","6","1") = "7"
    & skf18("1","8","3","3","4","7","1") = "7"
    & skf18("1","8","3","3","4","8","1") = "7"
    & skf18("1","8","3","3","4","9","1") = "8"
    & skf18("1","8","3","3","4","10","1") = "9"
    & skf18("1","8","3","3","5","1","1") = "7"
    & skf18("1","8","3","3","5","2","1") = "7"
    & skf18("1","8","3","3","5","3","1") = "7"
    & skf18("1","8","3","3","5","4","1") = "7"
    & skf18("1","8","3","3","5","5","1") = "7"
    & skf18("1","8","3","3","5","6","1") = "7"
    & skf18("1","8","3","3","5","7","1") = "7"
    & skf18("1","8","3","3","5","8","1") = "7"
    & skf18("1","8","3","3","5","9","1") = "8"
    & skf18("1","8","3","3","5","10","1") = "9"
    & skf18("1","8","3","3","6","1","1") = "7"
    & skf18("1","8","3","3","6","2","1") = "7"
    & skf18("1","8","3","3","6","3","1") = "7"
    & skf18("1","8","3","3","6","4","1") = "7"
    & skf18("1","8","3","3","6","5","1") = "7"
    & skf18("1","8","3","3","6","6","1") = "7"
    & skf18("1","8","3","3","6","7","1") = "7"
    & skf18("1","8","3","3","6","8","1") = "7"
    & skf18("1","8","3","3","6","9","1") = "8"
    & skf18("1","8","3","3","6","10","1") = "9"
    & skf18("1","8","3","3","7","1","1") = "7"
    & skf18("1","8","3","3","7","2","1") = "7"
    & skf18("1","8","3","3","7","3","1") = "7"
    & skf18("1","8","3","3","7","4","1") = "7"
    & skf18("1","8","3","3","7","5","1") = "7"
    & skf18("1","8","3","3","7","6","1") = "7"
    & skf18("1","8","3","3","7","7","1") = "7"
    & skf18("1","8","3","3","7","8","1") = "7"
    & skf18("1","8","3","3","7","9","1") = "8"
    & skf18("1","8","3","3","7","10","1") = "9"
    & skf18("1","8","3","3","8","1","1") = "7"
    & skf18("1","8","3","3","8","2","1") = "7"
    & skf18("1","8","3","3","8","3","1") = "7"
    & skf18("1","8","3","3","8","4","1") = "7"
    & skf18("1","8","3","3","8","5","1") = "7"
    & skf18("1","8","3","3","8","6","1") = "7"
    & skf18("1","8","3","3","8","7","1") = "7"
    & skf18("1","8","3","3","8","8","1") = "7"
    & skf18("1","8","3","3","8","9","1") = "8"
    & skf18("1","8","3","3","8","10","1") = "9"
    & skf18("1","8","3","3","9","1","1") = "8"
    & skf18("1","8","3","3","9","2","1") = "8"
    & skf18("1","8","3","3","9","3","1") = "8"
    & skf18("1","8","3","3","9","4","1") = "8"
    & skf18("1","8","3","3","9","5","1") = "8"
    & skf18("1","8","3","3","9","6","1") = "8"
    & skf18("1","8","3","3","9","7","1") = "8"
    & skf18("1","8","3","3","9","8","1") = "8"
    & skf18("1","8","3","3","9","9","1") = "8"
    & skf18("1","8","3","3","9","10","1") = "9"
    & skf18("1","8","3","3","10","1","1") = "9"
    & skf18("1","8","3","3","10","2","1") = "9"
    & skf18("1","8","3","3","10","3","1") = "9"
    & skf18("1","8","3","3","10","4","1") = "9"
    & skf18("1","8","3","3","10","5","1") = "9"
    & skf18("1","8","3","3","10","6","1") = "9"
    & skf18("1","8","3","3","10","7","1") = "9"
    & skf18("1","8","3","3","10","8","1") = "9"
    & skf18("1","8","3","3","10","9","1") = "9"
    & skf18("1","8","3","3","10","10","1") = "9"
    & skf18("1","8","3","4","1","1","1") = "7"
    & skf18("1","8","3","4","1","2","1") = "7"
    & skf18("1","8","3","4","1","3","1") = "7"
    & skf18("1","8","3","4","1","4","1") = "7"
    & skf18("1","8","3","4","1","5","1") = "7"
    & skf18("1","8","3","4","1","6","1") = "7"
    & skf18("1","8","3","4","1","7","1") = "7"
    & skf18("1","8","3","4","1","8","1") = "7"
    & skf18("1","8","3","4","1","9","1") = "8"
    & skf18("1","8","3","4","1","10","1") = "9"
    & skf18("1","8","3","4","2","1","1") = "7"
    & skf18("1","8","3","4","2","2","1") = "7"
    & skf18("1","8","3","4","2","3","1") = "7"
    & skf18("1","8","3","4","2","4","1") = "7"
    & skf18("1","8","3","4","2","5","1") = "7"
    & skf18("1","8","3","4","2","6","1") = "7"
    & skf18("1","8","3","4","2","7","1") = "7"
    & skf18("1","8","3","4","2","8","1") = "7"
    & skf18("1","8","3","4","2","9","1") = "8"
    & skf18("1","8","3","4","2","10","1") = "9"
    & skf18("1","8","3","4","3","1","1") = "7"
    & skf18("1","8","3","4","3","2","1") = "7"
    & skf18("1","8","3","4","3","3","1") = "7"
    & skf18("1","8","3","4","3","4","1") = "7"
    & skf18("1","8","3","4","3","5","1") = "7"
    & skf18("1","8","3","4","3","6","1") = "7"
    & skf18("1","8","3","4","3","7","1") = "7"
    & skf18("1","8","3","4","3","8","1") = "7"
    & skf18("1","8","3","4","3","9","1") = "8"
    & skf18("1","8","3","4","3","10","1") = "9"
    & skf18("1","8","3","4","4","1","1") = "7"
    & skf18("1","8","3","4","4","2","1") = "7"
    & skf18("1","8","3","4","4","3","1") = "7"
    & skf18("1","8","3","4","4","4","1") = "7"
    & skf18("1","8","3","4","4","5","1") = "7"
    & skf18("1","8","3","4","4","6","1") = "7"
    & skf18("1","8","3","4","4","7","1") = "7"
    & skf18("1","8","3","4","4","8","1") = "7"
    & skf18("1","8","3","4","4","9","1") = "8"
    & skf18("1","8","3","4","4","10","1") = "9"
    & skf18("1","8","3","4","5","1","1") = "7"
    & skf18("1","8","3","4","5","2","1") = "7"
    & skf18("1","8","3","4","5","3","1") = "7"
    & skf18("1","8","3","4","5","4","1") = "7"
    & skf18("1","8","3","4","5","5","1") = "7"
    & skf18("1","8","3","4","5","6","1") = "7"
    & skf18("1","8","3","4","5","7","1") = "7"
    & skf18("1","8","3","4","5","8","1") = "7"
    & skf18("1","8","3","4","5","9","1") = "8"
    & skf18("1","8","3","4","5","10","1") = "9"
    & skf18("1","8","3","4","6","1","1") = "7"
    & skf18("1","8","3","4","6","2","1") = "7"
    & skf18("1","8","3","4","6","3","1") = "7"
    & skf18("1","8","3","4","6","4","1") = "7"
    & skf18("1","8","3","4","6","5","1") = "7"
    & skf18("1","8","3","4","6","6","1") = "7"
    & skf18("1","8","3","4","6","7","1") = "7"
    & skf18("1","8","3","4","6","8","1") = "7"
    & skf18("1","8","3","4","6","9","1") = "8"
    & skf18("1","8","3","4","6","10","1") = "9"
    & skf18("1","8","3","4","7","1","1") = "7"
    & skf18("1","8","3","4","7","2","1") = "7"
    & skf18("1","8","3","4","7","3","1") = "7"
    & skf18("1","8","3","4","7","4","1") = "7"
    & skf18("1","8","3","4","7","5","1") = "7"
    & skf18("1","8","3","4","7","6","1") = "7"
    & skf18("1","8","3","4","7","7","1") = "7"
    & skf18("1","8","3","4","7","8","1") = "7"
    & skf18("1","8","3","4","7","9","1") = "8"
    & skf18("1","8","3","4","7","10","1") = "9"
    & skf18("1","8","3","4","8","1","1") = "7"
    & skf18("1","8","3","4","8","2","1") = "7"
    & skf18("1","8","3","4","8","3","1") = "7"
    & skf18("1","8","3","4","8","4","1") = "7"
    & skf18("1","8","3","4","8","5","1") = "7"
    & skf18("1","8","3","4","8","6","1") = "7"
    & skf18("1","8","3","4","8","7","1") = "7"
    & skf18("1","8","3","4","8","8","1") = "7"
    & skf18("1","8","3","4","8","9","1") = "8"
    & skf18("1","8","3","4","8","10","1") = "9"
    & skf18("1","8","3","4","9","1","1") = "8"
    & skf18("1","8","3","4","9","2","1") = "8"
    & skf18("1","8","3","4","9","3","1") = "8"
    & skf18("1","8","3","4","9","4","1") = "8"
    & skf18("1","8","3","4","9","5","1") = "8"
    & skf18("1","8","3","4","9","6","1") = "8"
    & skf18("1","8","3","4","9","7","1") = "8"
    & skf18("1","8","3","4","9","8","1") = "8"
    & skf18("1","8","3","4","9","9","1") = "8"
    & skf18("1","8","3","4","9","10","1") = "9"
    & skf18("1","8","3","4","10","1","1") = "9"
    & skf18("1","8","3","4","10","2","1") = "9"
    & skf18("1","8","3","4","10","3","1") = "9"
    & skf18("1","8","3","4","10","4","1") = "9"
    & skf18("1","8","3","4","10","5","1") = "9"
    & skf18("1","8","3","4","10","6","1") = "9"
    & skf18("1","8","3","4","10","7","1") = "9"
    & skf18("1","8","3","4","10","8","1") = "9"
    & skf18("1","8","3","4","10","9","1") = "9"
    & skf18("1","8","3","4","10","10","1") = "9"
    & skf18("1","8","3","5","1","1","1") = "7"
    & skf18("1","8","3","5","1","2","1") = "7"
    & skf18("1","8","3","5","1","3","1") = "7"
    & skf18("1","8","3","5","1","4","1") = "7"
    & skf18("1","8","3","5","1","5","1") = "7"
    & skf18("1","8","3","5","1","6","1") = "7"
    & skf18("1","8","3","5","1","7","1") = "7"
    & skf18("1","8","3","5","1","8","1") = "7"
    & skf18("1","8","3","5","1","9","1") = "8"
    & skf18("1","8","3","5","1","10","1") = "9"
    & skf18("1","8","3","5","2","1","1") = "7"
    & skf18("1","8","3","5","2","2","1") = "7"
    & skf18("1","8","3","5","2","3","1") = "7"
    & skf18("1","8","3","5","2","4","1") = "7"
    & skf18("1","8","3","5","2","5","1") = "7"
    & skf18("1","8","3","5","2","6","1") = "7"
    & skf18("1","8","3","5","2","7","1") = "7"
    & skf18("1","8","3","5","2","8","1") = "7"
    & skf18("1","8","3","5","2","9","1") = "8"
    & skf18("1","8","3","5","2","10","1") = "9"
    & skf18("1","8","3","5","3","1","1") = "7"
    & skf18("1","8","3","5","3","2","1") = "7"
    & skf18("1","8","3","5","3","3","1") = "7"
    & skf18("1","8","3","5","3","4","1") = "7"
    & skf18("1","8","3","5","3","5","1") = "7"
    & skf18("1","8","3","5","3","6","1") = "7"
    & skf18("1","8","3","5","3","7","1") = "7"
    & skf18("1","8","3","5","3","8","1") = "7"
    & skf18("1","8","3","5","3","9","1") = "8"
    & skf18("1","8","3","5","3","10","1") = "9"
    & skf18("1","8","3","5","4","1","1") = "7"
    & skf18("1","8","3","5","4","2","1") = "7"
    & skf18("1","8","3","5","4","3","1") = "7"
    & skf18("1","8","3","5","4","4","1") = "7"
    & skf18("1","8","3","5","4","5","1") = "7"
    & skf18("1","8","3","5","4","6","1") = "7"
    & skf18("1","8","3","5","4","7","1") = "7"
    & skf18("1","8","3","5","4","8","1") = "7"
    & skf18("1","8","3","5","4","9","1") = "8"
    & skf18("1","8","3","5","4","10","1") = "9"
    & skf18("1","8","3","5","5","1","1") = "7"
    & skf18("1","8","3","5","5","2","1") = "7"
    & skf18("1","8","3","5","5","3","1") = "7"
    & skf18("1","8","3","5","5","4","1") = "7"
    & skf18("1","8","3","5","5","5","1") = "7"
    & skf18("1","8","3","5","5","6","1") = "7"
    & skf18("1","8","3","5","5","7","1") = "7"
    & skf18("1","8","3","5","5","8","1") = "7"
    & skf18("1","8","3","5","5","9","1") = "8"
    & skf18("1","8","3","5","5","10","1") = "9"
    & skf18("1","8","3","5","6","1","1") = "7"
    & skf18("1","8","3","5","6","2","1") = "7"
    & skf18("1","8","3","5","6","3","1") = "7"
    & skf18("1","8","3","5","6","4","1") = "7"
    & skf18("1","8","3","5","6","5","1") = "7"
    & skf18("1","8","3","5","6","6","1") = "7"
    & skf18("1","8","3","5","6","7","1") = "7"
    & skf18("1","8","3","5","6","8","1") = "7"
    & skf18("1","8","3","5","6","9","1") = "8"
    & skf18("1","8","3","5","6","10","1") = "9"
    & skf18("1","8","3","5","7","1","1") = "7"
    & skf18("1","8","3","5","7","2","1") = "7"
    & skf18("1","8","3","5","7","3","1") = "7"
    & skf18("1","8","3","5","7","4","1") = "7"
    & skf18("1","8","3","5","7","5","1") = "7"
    & skf18("1","8","3","5","7","6","1") = "7"
    & skf18("1","8","3","5","7","7","1") = "7"
    & skf18("1","8","3","5","7","8","1") = "7"
    & skf18("1","8","3","5","7","9","1") = "8"
    & skf18("1","8","3","5","7","10","1") = "9"
    & skf18("1","8","3","5","8","1","1") = "7"
    & skf18("1","8","3","5","8","2","1") = "7"
    & skf18("1","8","3","5","8","3","1") = "7"
    & skf18("1","8","3","5","8","4","1") = "7"
    & skf18("1","8","3","5","8","5","1") = "7"
    & skf18("1","8","3","5","8","6","1") = "7"
    & skf18("1","8","3","5","8","7","1") = "7"
    & skf18("1","8","3","5","8","8","1") = "7"
    & skf18("1","8","3","5","8","9","1") = "8"
    & skf18("1","8","3","5","8","10","1") = "9"
    & skf18("1","8","3","5","9","1","1") = "8"
    & skf18("1","8","3","5","9","2","1") = "8"
    & skf18("1","8","3","5","9","3","1") = "8"
    & skf18("1","8","3","5","9","4","1") = "8"
    & skf18("1","8","3","5","9","5","1") = "8"
    & skf18("1","8","3","5","9","6","1") = "8"
    & skf18("1","8","3","5","9","7","1") = "8"
    & skf18("1","8","3","5","9","8","1") = "8"
    & skf18("1","8","3","5","9","9","1") = "8"
    & skf18("1","8","3","5","9","10","1") = "9"
    & skf18("1","8","3","5","10","1","1") = "9"
    & skf18("1","8","3","5","10","2","1") = "9"
    & skf18("1","8","3","5","10","3","1") = "9"
    & skf18("1","8","3","5","10","4","1") = "9"
    & skf18("1","8","3","5","10","5","1") = "9"
    & skf18("1","8","3","5","10","6","1") = "9"
    & skf18("1","8","3","5","10","7","1") = "9"
    & skf18("1","8","3","5","10","8","1") = "9"
    & skf18("1","8","3","5","10","9","1") = "9"
    & skf18("1","8","3","5","10","10","1") = "9"
    & skf18("1","8","3","6","1","1","1") = "7"
    & skf18("1","8","3","6","1","2","1") = "7"
    & skf18("1","8","3","6","1","3","1") = "7"
    & skf18("1","8","3","6","1","4","1") = "7"
    & skf18("1","8","3","6","1","5","1") = "7"
    & skf18("1","8","3","6","1","6","1") = "7"
    & skf18("1","8","3","6","1","7","1") = "7"
    & skf18("1","8","3","6","1","8","1") = "7"
    & skf18("1","8","3","6","1","9","1") = "8"
    & skf18("1","8","3","6","1","10","1") = "9"
    & skf18("1","8","3","6","2","1","1") = "7"
    & skf18("1","8","3","6","2","2","1") = "7"
    & skf18("1","8","3","6","2","3","1") = "7"
    & skf18("1","8","3","6","2","4","1") = "7"
    & skf18("1","8","3","6","2","5","1") = "7"
    & skf18("1","8","3","6","2","6","1") = "7"
    & skf18("1","8","3","6","2","7","1") = "7"
    & skf18("1","8","3","6","2","8","1") = "7"
    & skf18("1","8","3","6","2","9","1") = "8"
    & skf18("1","8","3","6","2","10","1") = "9"
    & skf18("1","8","3","6","3","1","1") = "7"
    & skf18("1","8","3","6","3","2","1") = "7"
    & skf18("1","8","3","6","3","3","1") = "7"
    & skf18("1","8","3","6","3","4","1") = "7"
    & skf18("1","8","3","6","3","5","1") = "7"
    & skf18("1","8","3","6","3","6","1") = "7"
    & skf18("1","8","3","6","3","7","1") = "7"
    & skf18("1","8","3","6","3","8","1") = "7"
    & skf18("1","8","3","6","3","9","1") = "8"
    & skf18("1","8","3","6","3","10","1") = "9"
    & skf18("1","8","3","6","4","1","1") = "7"
    & skf18("1","8","3","6","4","2","1") = "7"
    & skf18("1","8","3","6","4","3","1") = "7"
    & skf18("1","8","3","6","4","4","1") = "7"
    & skf18("1","8","3","6","4","5","1") = "7"
    & skf18("1","8","3","6","4","6","1") = "7"
    & skf18("1","8","3","6","4","7","1") = "7"
    & skf18("1","8","3","6","4","8","1") = "7"
    & skf18("1","8","3","6","4","9","1") = "8"
    & skf18("1","8","3","6","4","10","1") = "9"
    & skf18("1","8","3","6","5","1","1") = "7"
    & skf18("1","8","3","6","5","2","1") = "7"
    & skf18("1","8","3","6","5","3","1") = "7"
    & skf18("1","8","3","6","5","4","1") = "7"
    & skf18("1","8","3","6","5","5","1") = "7"
    & skf18("1","8","3","6","5","6","1") = "7"
    & skf18("1","8","3","6","5","7","1") = "7"
    & skf18("1","8","3","6","5","8","1") = "7"
    & skf18("1","8","3","6","5","9","1") = "8"
    & skf18("1","8","3","6","5","10","1") = "9"
    & skf18("1","8","3","6","6","1","1") = "7"
    & skf18("1","8","3","6","6","2","1") = "7"
    & skf18("1","8","3","6","6","3","1") = "7"
    & skf18("1","8","3","6","6","4","1") = "7"
    & skf18("1","8","3","6","6","5","1") = "7"
    & skf18("1","8","3","6","6","6","1") = "7"
    & skf18("1","8","3","6","6","7","1") = "7"
    & skf18("1","8","3","6","6","8","1") = "7"
    & skf18("1","8","3","6","6","9","1") = "8"
    & skf18("1","8","3","6","6","10","1") = "9"
    & skf18("1","8","3","6","7","1","1") = "7"
    & skf18("1","8","3","6","7","2","1") = "7"
    & skf18("1","8","3","6","7","3","1") = "7"
    & skf18("1","8","3","6","7","4","1") = "7"
    & skf18("1","8","3","6","7","5","1") = "7"
    & skf18("1","8","3","6","7","6","1") = "7"
    & skf18("1","8","3","6","7","7","1") = "7"
    & skf18("1","8","3","6","7","8","1") = "7"
    & skf18("1","8","3","6","7","9","1") = "8"
    & skf18("1","8","3","6","7","10","1") = "9"
    & skf18("1","8","3","6","8","1","1") = "7"
    & skf18("1","8","3","6","8","2","1") = "7"
    & skf18("1","8","3","6","8","3","1") = "7"
    & skf18("1","8","3","6","8","4","1") = "7"
    & skf18("1","8","3","6","8","5","1") = "7"
    & skf18("1","8","3","6","8","6","1") = "7"
    & skf18("1","8","3","6","8","7","1") = "7"
    & skf18("1","8","3","6","8","8","1") = "7"
    & skf18("1","8","3","6","8","9","1") = "8"
    & skf18("1","8","3","6","8","10","1") = "9"
    & skf18("1","8","3","6","9","1","1") = "8"
    & skf18("1","8","3","6","9","2","1") = "8"
    & skf18("1","8","3","6","9","3","1") = "8"
    & skf18("1","8","3","6","9","4","1") = "8"
    & skf18("1","8","3","6","9","5","1") = "8"
    & skf18("1","8","3","6","9","6","1") = "8"
    & skf18("1","8","3","6","9","7","1") = "8"
    & skf18("1","8","3","6","9","8","1") = "8"
    & skf18("1","8","3","6","9","9","1") = "8"
    & skf18("1","8","3","6","9","10","1") = "9"
    & skf18("1","8","3","6","10","1","1") = "9"
    & skf18("1","8","3","6","10","2","1") = "9"
    & skf18("1","8","3","6","10","3","1") = "9"
    & skf18("1","8","3","6","10","4","1") = "9"
    & skf18("1","8","3","6","10","5","1") = "9"
    & skf18("1","8","3","6","10","6","1") = "9"
    & skf18("1","8","3","6","10","7","1") = "9"
    & skf18("1","8","3","6","10","8","1") = "9"
    & skf18("1","8","3","6","10","9","1") = "9"
    & skf18("1","8","3","6","10","10","1") = "9"
    & skf18("1","8","3","7","1","1","1") = "7"
    & skf18("1","8","3","7","1","2","1") = "7"
    & skf18("1","8","3","7","1","3","1") = "7"
    & skf18("1","8","3","7","1","4","1") = "7"
    & skf18("1","8","3","7","1","5","1") = "7"
    & skf18("1","8","3","7","1","6","1") = "7"
    & skf18("1","8","3","7","1","7","1") = "7"
    & skf18("1","8","3","7","1","8","1") = "7"
    & skf18("1","8","3","7","1","9","1") = "8"
    & skf18("1","8","3","7","1","10","1") = "9"
    & skf18("1","8","3","7","2","1","1") = "7"
    & skf18("1","8","3","7","2","2","1") = "7"
    & skf18("1","8","3","7","2","3","1") = "7"
    & skf18("1","8","3","7","2","4","1") = "7"
    & skf18("1","8","3","7","2","5","1") = "7"
    & skf18("1","8","3","7","2","6","1") = "7"
    & skf18("1","8","3","7","2","7","1") = "7"
    & skf18("1","8","3","7","2","8","1") = "7"
    & skf18("1","8","3","7","2","9","1") = "8"
    & skf18("1","8","3","7","2","10","1") = "9"
    & skf18("1","8","3","7","3","1","1") = "7"
    & skf18("1","8","3","7","3","2","1") = "7"
    & skf18("1","8","3","7","3","3","1") = "7"
    & skf18("1","8","3","7","3","4","1") = "7"
    & skf18("1","8","3","7","3","5","1") = "7"
    & skf18("1","8","3","7","3","6","1") = "7"
    & skf18("1","8","3","7","3","7","1") = "7"
    & skf18("1","8","3","7","3","8","1") = "7"
    & skf18("1","8","3","7","3","9","1") = "8"
    & skf18("1","8","3","7","3","10","1") = "9"
    & skf18("1","8","3","7","4","1","1") = "7"
    & skf18("1","8","3","7","4","2","1") = "7"
    & skf18("1","8","3","7","4","3","1") = "7"
    & skf18("1","8","3","7","4","4","1") = "7"
    & skf18("1","8","3","7","4","5","1") = "7"
    & skf18("1","8","3","7","4","6","1") = "7"
    & skf18("1","8","3","7","4","7","1") = "7"
    & skf18("1","8","3","7","4","8","1") = "7"
    & skf18("1","8","3","7","4","9","1") = "8"
    & skf18("1","8","3","7","4","10","1") = "9"
    & skf18("1","8","3","7","5","1","1") = "7"
    & skf18("1","8","3","7","5","2","1") = "7"
    & skf18("1","8","3","7","5","3","1") = "7"
    & skf18("1","8","3","7","5","4","1") = "7"
    & skf18("1","8","3","7","5","5","1") = "7"
    & skf18("1","8","3","7","5","6","1") = "7"
    & skf18("1","8","3","7","5","7","1") = "7"
    & skf18("1","8","3","7","5","8","1") = "7"
    & skf18("1","8","3","7","5","9","1") = "8"
    & skf18("1","8","3","7","5","10","1") = "9"
    & skf18("1","8","3","7","6","1","1") = "7"
    & skf18("1","8","3","7","6","2","1") = "7"
    & skf18("1","8","3","7","6","3","1") = "7"
    & skf18("1","8","3","7","6","4","1") = "7"
    & skf18("1","8","3","7","6","5","1") = "7"
    & skf18("1","8","3","7","6","6","1") = "7"
    & skf18("1","8","3","7","6","7","1") = "7"
    & skf18("1","8","3","7","6","8","1") = "7"
    & skf18("1","8","3","7","6","9","1") = "8"
    & skf18("1","8","3","7","6","10","1") = "9"
    & skf18("1","8","3","7","7","1","1") = "7"
    & skf18("1","8","3","7","7","2","1") = "7"
    & skf18("1","8","3","7","7","3","1") = "7"
    & skf18("1","8","3","7","7","4","1") = "7"
    & skf18("1","8","3","7","7","5","1") = "7"
    & skf18("1","8","3","7","7","6","1") = "7"
    & skf18("1","8","3","7","7","7","1") = "7"
    & skf18("1","8","3","7","7","8","1") = "7"
    & skf18("1","8","3","7","7","9","1") = "8"
    & skf18("1","8","3","7","7","10","1") = "9"
    & skf18("1","8","3","7","8","1","1") = "7"
    & skf18("1","8","3","7","8","2","1") = "7"
    & skf18("1","8","3","7","8","3","1") = "7"
    & skf18("1","8","3","7","8","4","1") = "7"
    & skf18("1","8","3","7","8","5","1") = "7"
    & skf18("1","8","3","7","8","6","1") = "7"
    & skf18("1","8","3","7","8","7","1") = "7"
    & skf18("1","8","3","7","8","8","1") = "7"
    & skf18("1","8","3","7","8","9","1") = "8"
    & skf18("1","8","3","7","8","10","1") = "9"
    & skf18("1","8","3","7","9","1","1") = "8"
    & skf18("1","8","3","7","9","2","1") = "8"
    & skf18("1","8","3","7","9","3","1") = "8"
    & skf18("1","8","3","7","9","4","1") = "8"
    & skf18("1","8","3","7","9","5","1") = "8"
    & skf18("1","8","3","7","9","6","1") = "8"
    & skf18("1","8","3","7","9","7","1") = "8"
    & skf18("1","8","3","7","9","8","1") = "8"
    & skf18("1","8","3","7","9","9","1") = "8"
    & skf18("1","8","3","7","9","10","1") = "9"
    & skf18("1","8","3","7","10","1","1") = "9"
    & skf18("1","8","3","7","10","2","1") = "9"
    & skf18("1","8","3","7","10","3","1") = "9"
    & skf18("1","8","3","7","10","4","1") = "9"
    & skf18("1","8","3","7","10","5","1") = "9"
    & skf18("1","8","3","7","10","6","1") = "9"
    & skf18("1","8","3","7","10","7","1") = "9"
    & skf18("1","8","3","7","10","8","1") = "9"
    & skf18("1","8","3","7","10","9","1") = "9"
    & skf18("1","8","3","7","10","10","1") = "9"
    & skf18("1","8","3","8","1","1","1") = "7"
    & skf18("1","8","3","8","1","2","1") = "7"
    & skf18("1","8","3","8","1","3","1") = "7"
    & skf18("1","8","3","8","1","4","1") = "7"
    & skf18("1","8","3","8","1","5","1") = "7"
    & skf18("1","8","3","8","1","6","1") = "7"
    & skf18("1","8","3","8","1","7","1") = "7"
    & skf18("1","8","3","8","1","8","1") = "7"
    & skf18("1","8","3","8","1","9","1") = "8"
    & skf18("1","8","3","8","1","10","1") = "9"
    & skf18("1","8","3","8","2","1","1") = "7"
    & skf18("1","8","3","8","2","2","1") = "7"
    & skf18("1","8","3","8","2","3","1") = "7"
    & skf18("1","8","3","8","2","4","1") = "7"
    & skf18("1","8","3","8","2","5","1") = "7"
    & skf18("1","8","3","8","2","6","1") = "7"
    & skf18("1","8","3","8","2","7","1") = "7"
    & skf18("1","8","3","8","2","8","1") = "7"
    & skf18("1","8","3","8","2","9","1") = "8"
    & skf18("1","8","3","8","2","10","1") = "9"
    & skf18("1","8","3","8","3","1","1") = "7"
    & skf18("1","8","3","8","3","2","1") = "7"
    & skf18("1","8","3","8","3","3","1") = "7"
    & skf18("1","8","3","8","3","4","1") = "7"
    & skf18("1","8","3","8","3","5","1") = "7"
    & skf18("1","8","3","8","3","6","1") = "7"
    & skf18("1","8","3","8","3","7","1") = "7"
    & skf18("1","8","3","8","3","8","1") = "7"
    & skf18("1","8","3","8","3","9","1") = "8"
    & skf18("1","8","3","8","3","10","1") = "9"
    & skf18("1","8","3","8","4","1","1") = "7"
    & skf18("1","8","3","8","4","2","1") = "7"
    & skf18("1","8","3","8","4","3","1") = "7"
    & skf18("1","8","3","8","4","4","1") = "7"
    & skf18("1","8","3","8","4","5","1") = "7"
    & skf18("1","8","3","8","4","6","1") = "7"
    & skf18("1","8","3","8","4","7","1") = "7"
    & skf18("1","8","3","8","4","8","1") = "7"
    & skf18("1","8","3","8","4","9","1") = "8"
    & skf18("1","8","3","8","4","10","1") = "9"
    & skf18("1","8","3","8","5","1","1") = "7"
    & skf18("1","8","3","8","5","2","1") = "7"
    & skf18("1","8","3","8","5","3","1") = "7"
    & skf18("1","8","3","8","5","4","1") = "7"
    & skf18("1","8","3","8","5","5","1") = "7"
    & skf18("1","8","3","8","5","6","1") = "7"
    & skf18("1","8","3","8","5","7","1") = "7"
    & skf18("1","8","3","8","5","8","1") = "7"
    & skf18("1","8","3","8","5","9","1") = "8"
    & skf18("1","8","3","8","5","10","1") = "9"
    & skf18("1","8","3","8","6","1","1") = "7"
    & skf18("1","8","3","8","6","2","1") = "7"
    & skf18("1","8","3","8","6","3","1") = "7"
    & skf18("1","8","3","8","6","4","1") = "7"
    & skf18("1","8","3","8","6","5","1") = "7"
    & skf18("1","8","3","8","6","6","1") = "7"
    & skf18("1","8","3","8","6","7","1") = "7"
    & skf18("1","8","3","8","6","8","1") = "7"
    & skf18("1","8","3","8","6","9","1") = "8"
    & skf18("1","8","3","8","6","10","1") = "9"
    & skf18("1","8","3","8","7","1","1") = "7"
    & skf18("1","8","3","8","7","2","1") = "7"
    & skf18("1","8","3","8","7","3","1") = "7"
    & skf18("1","8","3","8","7","4","1") = "7"
    & skf18("1","8","3","8","7","5","1") = "7"
    & skf18("1","8","3","8","7","6","1") = "7"
    & skf18("1","8","3","8","7","7","1") = "7"
    & skf18("1","8","3","8","7","8","1") = "7"
    & skf18("1","8","3","8","7","9","1") = "8"
    & skf18("1","8","3","8","7","10","1") = "9"
    & skf18("1","8","3","8","8","1","1") = "7"
    & skf18("1","8","3","8","8","2","1") = "7"
    & skf18("1","8","3","8","8","3","1") = "7"
    & skf18("1","8","3","8","8","4","1") = "7"
    & skf18("1","8","3","8","8","5","1") = "7"
    & skf18("1","8","3","8","8","6","1") = "7"
    & skf18("1","8","3","8","8","7","1") = "7"
    & skf18("1","8","3","8","8","8","1") = "7"
    & skf18("1","8","3","8","8","9","1") = "8"
    & skf18("1","8","3","8","8","10","1") = "9"
    & skf18("1","8","3","8","9","1","1") = "8"
    & skf18("1","8","3","8","9","2","1") = "8"
    & skf18("1","8","3","8","9","3","1") = "8"
    & skf18("1","8","3","8","9","4","1") = "8"
    & skf18("1","8","3","8","9","5","1") = "8"
    & skf18("1","8","3","8","9","6","1") = "8"
    & skf18("1","8","3","8","9","7","1") = "8"
    & skf18("1","8","3","8","9","8","1") = "8"
    & skf18("1","8","3","8","9","9","1") = "8"
    & skf18("1","8","3","8","9","10","1") = "9"
    & skf18("1","8","3","8","10","1","1") = "9"
    & skf18("1","8","3","8","10","2","1") = "9"
    & skf18("1","8","3","8","10","3","1") = "9"
    & skf18("1","8","3","8","10","4","1") = "9"
    & skf18("1","8","3","8","10","5","1") = "9"
    & skf18("1","8","3","8","10","6","1") = "9"
    & skf18("1","8","3","8","10","7","1") = "9"
    & skf18("1","8","3","8","10","8","1") = "9"
    & skf18("1","8","3","8","10","9","1") = "9"
    & skf18("1","8","3","8","10","10","1") = "9"
    & skf18("1","8","3","9","1","1","1") = "8"
    & skf18("1","8","3","9","1","2","1") = "8"
    & skf18("1","8","3","9","1","3","1") = "8"
    & skf18("1","8","3","9","1","4","1") = "8"
    & skf18("1","8","3","9","1","5","1") = "8"
    & skf18("1","8","3","9","1","6","1") = "8"
    & skf18("1","8","3","9","1","7","1") = "8"
    & skf18("1","8","3","9","1","8","1") = "8"
    & skf18("1","8","3","9","1","9","1") = "8"
    & skf18("1","8","3","9","1","10","1") = "9"
    & skf18("1","8","3","9","2","1","1") = "8"
    & skf18("1","8","3","9","2","2","1") = "8"
    & skf18("1","8","3","9","2","3","1") = "8"
    & skf18("1","8","3","9","2","4","1") = "8"
    & skf18("1","8","3","9","2","5","1") = "8"
    & skf18("1","8","3","9","2","6","1") = "8"
    & skf18("1","8","3","9","2","7","1") = "8"
    & skf18("1","8","3","9","2","8","1") = "8"
    & skf18("1","8","3","9","2","9","1") = "8"
    & skf18("1","8","3","9","2","10","1") = "9"
    & skf18("1","8","3","9","3","1","1") = "8"
    & skf18("1","8","3","9","3","2","1") = "8"
    & skf18("1","8","3","9","3","3","1") = "8"
    & skf18("1","8","3","9","3","4","1") = "8"
    & skf18("1","8","3","9","3","5","1") = "8"
    & skf18("1","8","3","9","3","6","1") = "8"
    & skf18("1","8","3","9","3","7","1") = "8"
    & skf18("1","8","3","9","3","8","1") = "8"
    & skf18("1","8","3","9","3","9","1") = "8"
    & skf18("1","8","3","9","3","10","1") = "9"
    & skf18("1","8","3","9","4","1","1") = "8"
    & skf18("1","8","3","9","4","2","1") = "8"
    & skf18("1","8","3","9","4","3","1") = "8"
    & skf18("1","8","3","9","4","4","1") = "8"
    & skf18("1","8","3","9","4","5","1") = "8"
    & skf18("1","8","3","9","4","6","1") = "8"
    & skf18("1","8","3","9","4","7","1") = "8"
    & skf18("1","8","3","9","4","8","1") = "8"
    & skf18("1","8","3","9","4","9","1") = "8"
    & skf18("1","8","3","9","4","10","1") = "9"
    & skf18("1","8","3","9","5","1","1") = "8"
    & skf18("1","8","3","9","5","2","1") = "8"
    & skf18("1","8","3","9","5","3","1") = "8"
    & skf18("1","8","3","9","5","4","1") = "8"
    & skf18("1","8","3","9","5","5","1") = "8"
    & skf18("1","8","3","9","5","6","1") = "8"
    & skf18("1","8","3","9","5","7","1") = "8"
    & skf18("1","8","3","9","5","8","1") = "8"
    & skf18("1","8","3","9","5","9","1") = "8"
    & skf18("1","8","3","9","5","10","1") = "9"
    & skf18("1","8","3","9","6","1","1") = "8"
    & skf18("1","8","3","9","6","2","1") = "8"
    & skf18("1","8","3","9","6","3","1") = "8"
    & skf18("1","8","3","9","6","4","1") = "8"
    & skf18("1","8","3","9","6","5","1") = "8"
    & skf18("1","8","3","9","6","6","1") = "8"
    & skf18("1","8","3","9","6","7","1") = "8"
    & skf18("1","8","3","9","6","8","1") = "8"
    & skf18("1","8","3","9","6","9","1") = "8"
    & skf18("1","8","3","9","6","10","1") = "9"
    & skf18("1","8","3","9","7","1","1") = "8"
    & skf18("1","8","3","9","7","2","1") = "8"
    & skf18("1","8","3","9","7","3","1") = "8"
    & skf18("1","8","3","9","7","4","1") = "8"
    & skf18("1","8","3","9","7","5","1") = "8"
    & skf18("1","8","3","9","7","6","1") = "8"
    & skf18("1","8","3","9","7","7","1") = "8"
    & skf18("1","8","3","9","7","8","1") = "8"
    & skf18("1","8","3","9","7","9","1") = "8"
    & skf18("1","8","3","9","7","10","1") = "9"
    & skf18("1","8","3","9","8","1","1") = "8"
    & skf18("1","8","3","9","8","2","1") = "8"
    & skf18("1","8","3","9","8","3","1") = "8"
    & skf18("1","8","3","9","8","4","1") = "8"
    & skf18("1","8","3","9","8","5","1") = "8"
    & skf18("1","8","3","9","8","6","1") = "8"
    & skf18("1","8","3","9","8","7","1") = "8"
    & skf18("1","8","3","9","8","8","1") = "8"
    & skf18("1","8","3","9","8","9","1") = "8"
    & skf18("1","8","3","9","8","10","1") = "9"
    & skf18("1","8","3","9","9","1","1") = "8"
    & skf18("1","8","3","9","9","2","1") = "8"
    & skf18("1","8","3","9","9","3","1") = "8"
    & skf18("1","8","3","9","9","4","1") = "8"
    & skf18("1","8","3","9","9","5","1") = "8"
    & skf18("1","8","3","9","9","6","1") = "8"
    & skf18("1","8","3","9","9","7","1") = "8"
    & skf18("1","8","3","9","9","8","1") = "8"
    & skf18("1","8","3","9","9","9","1") = "8"
    & skf18("1","8","3","9","9","10","1") = "9"
    & skf18("1","8","3","9","10","1","1") = "9"
    & skf18("1","8","3","9","10","2","1") = "9"
    & skf18("1","8","3","9","10","3","1") = "9"
    & skf18("1","8","3","9","10","4","1") = "9"
    & skf18("1","8","3","9","10","5","1") = "9"
    & skf18("1","8","3","9","10","6","1") = "9"
    & skf18("1","8","3","9","10","7","1") = "9"
    & skf18("1","8","3","9","10","8","1") = "9"
    & skf18("1","8","3","9","10","9","1") = "9"
    & skf18("1","8","3","9","10","10","1") = "9"
    & skf18("1","8","3","10","1","1","1") = "9"
    & skf18("1","8","3","10","1","2","1") = "9"
    & skf18("1","8","3","10","1","3","1") = "9"
    & skf18("1","8","3","10","1","4","1") = "9"
    & skf18("1","8","3","10","1","5","1") = "9"
    & skf18("1","8","3","10","1","6","1") = "9"
    & skf18("1","8","3","10","1","7","1") = "9"
    & skf18("1","8","3","10","1","8","1") = "9"
    & skf18("1","8","3","10","1","9","1") = "9"
    & skf18("1","8","3","10","1","10","1") = "9"
    & skf18("1","8","3","10","2","1","1") = "9"
    & skf18("1","8","3","10","2","2","1") = "9"
    & skf18("1","8","3","10","2","3","1") = "9"
    & skf18("1","8","3","10","2","4","1") = "9"
    & skf18("1","8","3","10","2","5","1") = "9"
    & skf18("1","8","3","10","2","6","1") = "9"
    & skf18("1","8","3","10","2","7","1") = "9"
    & skf18("1","8","3","10","2","8","1") = "9"
    & skf18("1","8","3","10","2","9","1") = "9"
    & skf18("1","8","3","10","2","10","1") = "9"
    & skf18("1","8","3","10","3","1","1") = "9"
    & skf18("1","8","3","10","3","2","1") = "9"
    & skf18("1","8","3","10","3","3","1") = "9"
    & skf18("1","8","3","10","3","4","1") = "9"
    & skf18("1","8","3","10","3","5","1") = "9"
    & skf18("1","8","3","10","3","6","1") = "9"
    & skf18("1","8","3","10","3","7","1") = "9"
    & skf18("1","8","3","10","3","8","1") = "9"
    & skf18("1","8","3","10","3","9","1") = "9"
    & skf18("1","8","3","10","3","10","1") = "9"
    & skf18("1","8","3","10","4","1","1") = "9"
    & skf18("1","8","3","10","4","2","1") = "9"
    & skf18("1","8","3","10","4","3","1") = "9"
    & skf18("1","8","3","10","4","4","1") = "9"
    & skf18("1","8","3","10","4","5","1") = "9"
    & skf18("1","8","3","10","4","6","1") = "9"
    & skf18("1","8","3","10","4","7","1") = "9"
    & skf18("1","8","3","10","4","8","1") = "9"
    & skf18("1","8","3","10","4","9","1") = "9"
    & skf18("1","8","3","10","4","10","1") = "9"
    & skf18("1","8","3","10","5","1","1") = "9"
    & skf18("1","8","3","10","5","2","1") = "9"
    & skf18("1","8","3","10","5","3","1") = "9"
    & skf18("1","8","3","10","5","4","1") = "9"
    & skf18("1","8","3","10","5","5","1") = "9"
    & skf18("1","8","3","10","5","6","1") = "9"
    & skf18("1","8","3","10","5","7","1") = "9"
    & skf18("1","8","3","10","5","8","1") = "9"
    & skf18("1","8","3","10","5","9","1") = "9"
    & skf18("1","8","3","10","5","10","1") = "9"
    & skf18("1","8","3","10","6","1","1") = "9"
    & skf18("1","8","3","10","6","2","1") = "9"
    & skf18("1","8","3","10","6","3","1") = "9"
    & skf18("1","8","3","10","6","4","1") = "9"
    & skf18("1","8","3","10","6","5","1") = "9"
    & skf18("1","8","3","10","6","6","1") = "9"
    & skf18("1","8","3","10","6","7","1") = "9"
    & skf18("1","8","3","10","6","8","1") = "9"
    & skf18("1","8","3","10","6","9","1") = "9"
    & skf18("1","8","3","10","6","10","1") = "9"
    & skf18("1","8","3","10","7","1","1") = "9"
    & skf18("1","8","3","10","7","2","1") = "9"
    & skf18("1","8","3","10","7","3","1") = "9"
    & skf18("1","8","3","10","7","4","1") = "9"
    & skf18("1","8","3","10","7","5","1") = "9"
    & skf18("1","8","3","10","7","6","1") = "9"
    & skf18("1","8","3","10","7","7","1") = "9"
    & skf18("1","8","3","10","7","8","1") = "9"
    & skf18("1","8","3","10","7","9","1") = "9"
    & skf18("1","8","3","10","7","10","1") = "9"
    & skf18("1","8","3","10","8","1","1") = "9"
    & skf18("1","8","3","10","8","2","1") = "9"
    & skf18("1","8","3","10","8","3","1") = "9"
    & skf18("1","8","3","10","8","4","1") = "9"
    & skf18("1","8","3","10","8","5","1") = "9"
    & skf18("1","8","3","10","8","6","1") = "9"
    & skf18("1","8","3","10","8","7","1") = "9"
    & skf18("1","8","3","10","8","8","1") = "9"
    & skf18("1","8","3","10","8","9","1") = "9"
    & skf18("1","8","3","10","8","10","1") = "9"
    & skf18("1","8","3","10","9","1","1") = "9"
    & skf18("1","8","3","10","9","2","1") = "9"
    & skf18("1","8","3","10","9","3","1") = "9"
    & skf18("1","8","3","10","9","4","1") = "9"
    & skf18("1","8","3","10","9","5","1") = "9"
    & skf18("1","8","3","10","9","6","1") = "9"
    & skf18("1","8","3","10","9","7","1") = "9"
    & skf18("1","8","3","10","9","8","1") = "9"
    & skf18("1","8","3","10","9","9","1") = "9"
    & skf18("1","8","3","10","9","10","1") = "9"
    & skf18("1","8","3","10","10","1","1") = "9"
    & skf18("1","8","3","10","10","2","1") = "9"
    & skf18("1","8","3","10","10","3","1") = "9"
    & skf18("1","8","3","10","10","4","1") = "9"
    & skf18("1","8","3","10","10","5","1") = "9"
    & skf18("1","8","3","10","10","6","1") = "9"
    & skf18("1","8","3","10","10","7","1") = "9"
    & skf18("1","8","3","10","10","8","1") = "9"
    & skf18("1","8","3","10","10","9","1") = "9"
    & skf18("1","8","3","10","10","10","1") = "9"
    & skf18("1","8","4","1","1","1","1") = "7"
    & skf18("1","8","4","1","1","2","1") = "7"
    & skf18("1","8","4","1","1","3","1") = "7"
    & skf18("1","8","4","1","1","4","1") = "7"
    & skf18("1","8","4","1","1","5","1") = "7"
    & skf18("1","8","4","1","1","6","1") = "7"
    & skf18("1","8","4","1","1","7","1") = "7"
    & skf18("1","8","4","1","1","8","1") = "7"
    & skf18("1","8","4","1","1","9","1") = "8"
    & skf18("1","8","4","1","1","10","1") = "9"
    & skf18("1","8","4","1","2","1","1") = "7"
    & skf18("1","8","4","1","2","2","1") = "7"
    & skf18("1","8","4","1","2","3","1") = "7"
    & skf18("1","8","4","1","2","4","1") = "7"
    & skf18("1","8","4","1","2","5","1") = "7"
    & skf18("1","8","4","1","2","6","1") = "7"
    & skf18("1","8","4","1","2","7","1") = "7"
    & skf18("1","8","4","1","2","8","1") = "7"
    & skf18("1","8","4","1","2","9","1") = "8"
    & skf18("1","8","4","1","2","10","1") = "9"
    & skf18("1","8","4","1","3","1","1") = "7"
    & skf18("1","8","4","1","3","2","1") = "7"
    & skf18("1","8","4","1","3","3","1") = "7"
    & skf18("1","8","4","1","3","4","1") = "7"
    & skf18("1","8","4","1","3","5","1") = "7"
    & skf18("1","8","4","1","3","6","1") = "7"
    & skf18("1","8","4","1","3","7","1") = "7"
    & skf18("1","8","4","1","3","8","1") = "7"
    & skf18("1","8","4","1","3","9","1") = "8"
    & skf18("1","8","4","1","3","10","1") = "9"
    & skf18("1","8","4","1","4","1","1") = "7"
    & skf18("1","8","4","1","4","2","1") = "7"
    & skf18("1","8","4","1","4","3","1") = "7"
    & skf18("1","8","4","1","4","4","1") = "7"
    & skf18("1","8","4","1","4","5","1") = "7"
    & skf18("1","8","4","1","4","6","1") = "7"
    & skf18("1","8","4","1","4","7","1") = "7"
    & skf18("1","8","4","1","4","8","1") = "7"
    & skf18("1","8","4","1","4","9","1") = "8"
    & skf18("1","8","4","1","4","10","1") = "9"
    & skf18("1","8","4","1","5","1","1") = "7"
    & skf18("1","8","4","1","5","2","1") = "7"
    & skf18("1","8","4","1","5","3","1") = "7"
    & skf18("1","8","4","1","5","4","1") = "7"
    & skf18("1","8","4","1","5","5","1") = "7"
    & skf18("1","8","4","1","5","6","1") = "7"
    & skf18("1","8","4","1","5","7","1") = "7"
    & skf18("1","8","4","1","5","8","1") = "7"
    & skf18("1","8","4","1","5","9","1") = "8"
    & skf18("1","8","4","1","5","10","1") = "9"
    & skf18("1","8","4","1","6","1","1") = "7"
    & skf18("1","8","4","1","6","2","1") = "7"
    & skf18("1","8","4","1","6","3","1") = "7"
    & skf18("1","8","4","1","6","4","1") = "7"
    & skf18("1","8","4","1","6","5","1") = "7"
    & skf18("1","8","4","1","6","6","1") = "7"
    & skf18("1","8","4","1","6","7","1") = "7"
    & skf18("1","8","4","1","6","8","1") = "7"
    & skf18("1","8","4","1","6","9","1") = "8"
    & skf18("1","8","4","1","6","10","1") = "9"
    & skf18("1","8","4","1","7","1","1") = "7"
    & skf18("1","8","4","1","7","2","1") = "7"
    & skf18("1","8","4","1","7","3","1") = "7"
    & skf18("1","8","4","1","7","4","1") = "7"
    & skf18("1","8","4","1","7","5","1") = "7"
    & skf18("1","8","4","1","7","6","1") = "7"
    & skf18("1","8","4","1","7","7","1") = "7"
    & skf18("1","8","4","1","7","8","1") = "7"
    & skf18("1","8","4","1","7","9","1") = "8"
    & skf18("1","8","4","1","7","10","1") = "9"
    & skf18("1","8","4","1","8","1","1") = "7"
    & skf18("1","8","4","1","8","2","1") = "7"
    & skf18("1","8","4","1","8","3","1") = "7"
    & skf18("1","8","4","1","8","4","1") = "7"
    & skf18("1","8","4","1","8","5","1") = "7"
    & skf18("1","8","4","1","8","6","1") = "7"
    & skf18("1","8","4","1","8","7","1") = "7"
    & skf18("1","8","4","1","8","8","1") = "7"
    & skf18("1","8","4","1","8","9","1") = "8"
    & skf18("1","8","4","1","8","10","1") = "9"
    & skf18("1","8","4","1","9","1","1") = "8"
    & skf18("1","8","4","1","9","2","1") = "8"
    & skf18("1","8","4","1","9","3","1") = "8"
    & skf18("1","8","4","1","9","4","1") = "8"
    & skf18("1","8","4","1","9","5","1") = "8"
    & skf18("1","8","4","1","9","6","1") = "8"
    & skf18("1","8","4","1","9","7","1") = "8"
    & skf18("1","8","4","1","9","8","1") = "8"
    & skf18("1","8","4","1","9","9","1") = "8"
    & skf18("1","8","4","1","9","10","1") = "9"
    & skf18("1","8","4","1","10","1","1") = "9"
    & skf18("1","8","4","1","10","2","1") = "9"
    & skf18("1","8","4","1","10","3","1") = "9"
    & skf18("1","8","4","1","10","4","1") = "9"
    & skf18("1","8","4","1","10","5","1") = "9"
    & skf18("1","8","4","1","10","6","1") = "9"
    & skf18("1","8","4","1","10","7","1") = "9"
    & skf18("1","8","4","1","10","8","1") = "9"
    & skf18("1","8","4","1","10","9","1") = "9"
    & skf18("1","8","4","1","10","10","1") = "9"
    & skf18("1","8","4","2","1","1","1") = "7"
    & skf18("1","8","4","2","1","2","1") = "7"
    & skf18("1","8","4","2","1","3","1") = "7"
    & skf18("1","8","4","2","1","4","1") = "7"
    & skf18("1","8","4","2","1","5","1") = "7"
    & skf18("1","8","4","2","1","6","1") = "7"
    & skf18("1","8","4","2","1","7","1") = "7"
    & skf18("1","8","4","2","1","8","1") = "7"
    & skf18("1","8","4","2","1","9","1") = "8"
    & skf18("1","8","4","2","1","10","1") = "9"
    & skf18("1","8","4","2","2","1","1") = "7"
    & skf18("1","8","4","2","2","2","1") = "7"
    & skf18("1","8","4","2","2","3","1") = "7"
    & skf18("1","8","4","2","2","4","1") = "7"
    & skf18("1","8","4","2","2","5","1") = "7"
    & skf18("1","8","4","2","2","6","1") = "7"
    & skf18("1","8","4","2","2","7","1") = "7"
    & skf18("1","8","4","2","2","8","1") = "7"
    & skf18("1","8","4","2","2","9","1") = "8"
    & skf18("1","8","4","2","2","10","1") = "9"
    & skf18("1","8","4","2","3","1","1") = "7"
    & skf18("1","8","4","2","3","2","1") = "7"
    & skf18("1","8","4","2","3","3","1") = "7"
    & skf18("1","8","4","2","3","4","1") = "7"
    & skf18("1","8","4","2","3","5","1") = "7"
    & skf18("1","8","4","2","3","6","1") = "7"
    & skf18("1","8","4","2","3","7","1") = "7"
    & skf18("1","8","4","2","3","8","1") = "7"
    & skf18("1","8","4","2","3","9","1") = "8"
    & skf18("1","8","4","2","3","10","1") = "9"
    & skf18("1","8","4","2","4","1","1") = "7"
    & skf18("1","8","4","2","4","2","1") = "7"
    & skf18("1","8","4","2","4","3","1") = "7"
    & skf18("1","8","4","2","4","4","1") = "7"
    & skf18("1","8","4","2","4","5","1") = "7"
    & skf18("1","8","4","2","4","6","1") = "7"
    & skf18("1","8","4","2","4","7","1") = "7"
    & skf18("1","8","4","2","4","8","1") = "7"
    & skf18("1","8","4","2","4","9","1") = "8"
    & skf18("1","8","4","2","4","10","1") = "9"
    & skf18("1","8","4","2","5","1","1") = "7"
    & skf18("1","8","4","2","5","2","1") = "7"
    & skf18("1","8","4","2","5","3","1") = "7"
    & skf18("1","8","4","2","5","4","1") = "7"
    & skf18("1","8","4","2","5","5","1") = "7"
    & skf18("1","8","4","2","5","6","1") = "7"
    & skf18("1","8","4","2","5","7","1") = "7"
    & skf18("1","8","4","2","5","8","1") = "7"
    & skf18("1","8","4","2","5","9","1") = "8"
    & skf18("1","8","4","2","5","10","1") = "9"
    & skf18("1","8","4","2","6","1","1") = "7"
    & skf18("1","8","4","2","6","2","1") = "7"
    & skf18("1","8","4","2","6","3","1") = "7"
    & skf18("1","8","4","2","6","4","1") = "7"
    & skf18("1","8","4","2","6","5","1") = "7"
    & skf18("1","8","4","2","6","6","1") = "7"
    & skf18("1","8","4","2","6","7","1") = "7"
    & skf18("1","8","4","2","6","8","1") = "7"
    & skf18("1","8","4","2","6","9","1") = "8"
    & skf18("1","8","4","2","6","10","1") = "9"
    & skf18("1","8","4","2","7","1","1") = "7"
    & skf18("1","8","4","2","7","2","1") = "7"
    & skf18("1","8","4","2","7","3","1") = "7"
    & skf18("1","8","4","2","7","4","1") = "7"
    & skf18("1","8","4","2","7","5","1") = "7"
    & skf18("1","8","4","2","7","6","1") = "7"
    & skf18("1","8","4","2","7","7","1") = "7"
    & skf18("1","8","4","2","7","8","1") = "7"
    & skf18("1","8","4","2","7","9","1") = "8"
    & skf18("1","8","4","2","7","10","1") = "9"
    & skf18("1","8","4","2","8","1","1") = "7"
    & skf18("1","8","4","2","8","2","1") = "7"
    & skf18("1","8","4","2","8","3","1") = "7"
    & skf18("1","8","4","2","8","4","1") = "7"
    & skf18("1","8","4","2","8","5","1") = "7"
    & skf18("1","8","4","2","8","6","1") = "7"
    & skf18("1","8","4","2","8","7","1") = "7"
    & skf18("1","8","4","2","8","8","1") = "7"
    & skf18("1","8","4","2","8","9","1") = "8"
    & skf18("1","8","4","2","8","10","1") = "9"
    & skf18("1","8","4","2","9","1","1") = "8"
    & skf18("1","8","4","2","9","2","1") = "8"
    & skf18("1","8","4","2","9","3","1") = "8"
    & skf18("1","8","4","2","9","4","1") = "8"
    & skf18("1","8","4","2","9","5","1") = "8"
    & skf18("1","8","4","2","9","6","1") = "8"
    & skf18("1","8","4","2","9","7","1") = "8"
    & skf18("1","8","4","2","9","8","1") = "8"
    & skf18("1","8","4","2","9","9","1") = "8"
    & skf18("1","8","4","2","9","10","1") = "9"
    & skf18("1","8","4","2","10","1","1") = "9"
    & skf18("1","8","4","2","10","2","1") = "9"
    & skf18("1","8","4","2","10","3","1") = "9"
    & skf18("1","8","4","2","10","4","1") = "9"
    & skf18("1","8","4","2","10","5","1") = "9"
    & skf18("1","8","4","2","10","6","1") = "9"
    & skf18("1","8","4","2","10","7","1") = "9"
    & skf18("1","8","4","2","10","8","1") = "9"
    & skf18("1","8","4","2","10","9","1") = "9"
    & skf18("1","8","4","2","10","10","1") = "9"
    & skf18("1","8","4","3","1","1","1") = "7"
    & skf18("1","8","4","3","1","2","1") = "7"
    & skf18("1","8","4","3","1","3","1") = "7"
    & skf18("1","8","4","3","1","4","1") = "7"
    & skf18("1","8","4","3","1","5","1") = "7"
    & skf18("1","8","4","3","1","6","1") = "7"
    & skf18("1","8","4","3","1","7","1") = "7"
    & skf18("1","8","4","3","1","8","1") = "7"
    & skf18("1","8","4","3","1","9","1") = "8"
    & skf18("1","8","4","3","1","10","1") = "9"
    & skf18("1","8","4","3","2","1","1") = "7"
    & skf18("1","8","4","3","2","2","1") = "7"
    & skf18("1","8","4","3","2","3","1") = "7"
    & skf18("1","8","4","3","2","4","1") = "7"
    & skf18("1","8","4","3","2","5","1") = "7"
    & skf18("1","8","4","3","2","6","1") = "7"
    & skf18("1","8","4","3","2","7","1") = "7"
    & skf18("1","8","4","3","2","8","1") = "7"
    & skf18("1","8","4","3","2","9","1") = "8"
    & skf18("1","8","4","3","2","10","1") = "9"
    & skf18("1","8","4","3","3","1","1") = "7"
    & skf18("1","8","4","3","3","2","1") = "7"
    & skf18("1","8","4","3","3","3","1") = "7"
    & skf18("1","8","4","3","3","4","1") = "7"
    & skf18("1","8","4","3","3","5","1") = "7"
    & skf18("1","8","4","3","3","6","1") = "7"
    & skf18("1","8","4","3","3","7","1") = "7"
    & skf18("1","8","4","3","3","8","1") = "7"
    & skf18("1","8","4","3","3","9","1") = "8"
    & skf18("1","8","4","3","3","10","1") = "9"
    & skf18("1","8","4","3","4","1","1") = "7"
    & skf18("1","8","4","3","4","2","1") = "7"
    & skf18("1","8","4","3","4","3","1") = "7"
    & skf18("1","8","4","3","4","4","1") = "7"
    & skf18("1","8","4","3","4","5","1") = "7"
    & skf18("1","8","4","3","4","6","1") = "7"
    & skf18("1","8","4","3","4","7","1") = "7"
    & skf18("1","8","4","3","4","8","1") = "7"
    & skf18("1","8","4","3","4","9","1") = "8"
    & skf18("1","8","4","3","4","10","1") = "9"
    & skf18("1","8","4","3","5","1","1") = "7"
    & skf18("1","8","4","3","5","2","1") = "7"
    & skf18("1","8","4","3","5","3","1") = "7"
    & skf18("1","8","4","3","5","4","1") = "7"
    & skf18("1","8","4","3","5","5","1") = "7"
    & skf18("1","8","4","3","5","6","1") = "7"
    & skf18("1","8","4","3","5","7","1") = "7"
    & skf18("1","8","4","3","5","8","1") = "7"
    & skf18("1","8","4","3","5","9","1") = "8"
    & skf18("1","8","4","3","5","10","1") = "9"
    & skf18("1","8","4","3","6","1","1") = "7"
    & skf18("1","8","4","3","6","2","1") = "7"
    & skf18("1","8","4","3","6","3","1") = "7"
    & skf18("1","8","4","3","6","4","1") = "7"
    & skf18("1","8","4","3","6","5","1") = "7"
    & skf18("1","8","4","3","6","6","1") = "7"
    & skf18("1","8","4","3","6","7","1") = "7"
    & skf18("1","8","4","3","6","8","1") = "7"
    & skf18("1","8","4","3","6","9","1") = "8"
    & skf18("1","8","4","3","6","10","1") = "9"
    & skf18("1","8","4","3","7","1","1") = "7"
    & skf18("1","8","4","3","7","2","1") = "7"
    & skf18("1","8","4","3","7","3","1") = "7"
    & skf18("1","8","4","3","7","4","1") = "7"
    & skf18("1","8","4","3","7","5","1") = "7"
    & skf18("1","8","4","3","7","6","1") = "7"
    & skf18("1","8","4","3","7","7","1") = "7"
    & skf18("1","8","4","3","7","8","1") = "7"
    & skf18("1","8","4","3","7","9","1") = "8"
    & skf18("1","8","4","3","7","10","1") = "9"
    & skf18("1","8","4","3","8","1","1") = "7"
    & skf18("1","8","4","3","8","2","1") = "7"
    & skf18("1","8","4","3","8","3","1") = "7"
    & skf18("1","8","4","3","8","4","1") = "7"
    & skf18("1","8","4","3","8","5","1") = "7"
    & skf18("1","8","4","3","8","6","1") = "7"
    & skf18("1","8","4","3","8","7","1") = "7"
    & skf18("1","8","4","3","8","8","1") = "7"
    & skf18("1","8","4","3","8","9","1") = "8"
    & skf18("1","8","4","3","8","10","1") = "9"
    & skf18("1","8","4","3","9","1","1") = "8"
    & skf18("1","8","4","3","9","2","1") = "8"
    & skf18("1","8","4","3","9","3","1") = "8"
    & skf18("1","8","4","3","9","4","1") = "8"
    & skf18("1","8","4","3","9","5","1") = "8"
    & skf18("1","8","4","3","9","6","1") = "8"
    & skf18("1","8","4","3","9","7","1") = "8"
    & skf18("1","8","4","3","9","8","1") = "8"
    & skf18("1","8","4","3","9","9","1") = "8"
    & skf18("1","8","4","3","9","10","1") = "9"
    & skf18("1","8","4","3","10","1","1") = "9"
    & skf18("1","8","4","3","10","2","1") = "9"
    & skf18("1","8","4","3","10","3","1") = "9"
    & skf18("1","8","4","3","10","4","1") = "9"
    & skf18("1","8","4","3","10","5","1") = "9"
    & skf18("1","8","4","3","10","6","1") = "9"
    & skf18("1","8","4","3","10","7","1") = "9"
    & skf18("1","8","4","3","10","8","1") = "9"
    & skf18("1","8","4","3","10","9","1") = "9"
    & skf18("1","8","4","3","10","10","1") = "9"
    & skf18("1","8","4","4","1","1","1") = "7"
    & skf18("1","8","4","4","1","2","1") = "7"
    & skf18("1","8","4","4","1","3","1") = "7"
    & skf18("1","8","4","4","1","4","1") = "7"
    & skf18("1","8","4","4","1","5","1") = "7"
    & skf18("1","8","4","4","1","6","1") = "7"
    & skf18("1","8","4","4","1","7","1") = "7"
    & skf18("1","8","4","4","1","8","1") = "7"
    & skf18("1","8","4","4","1","9","1") = "8"
    & skf18("1","8","4","4","1","10","1") = "9"
    & skf18("1","8","4","4","2","1","1") = "7"
    & skf18("1","8","4","4","2","2","1") = "7"
    & skf18("1","8","4","4","2","3","1") = "7"
    & skf18("1","8","4","4","2","4","1") = "7"
    & skf18("1","8","4","4","2","5","1") = "7"
    & skf18("1","8","4","4","2","6","1") = "7"
    & skf18("1","8","4","4","2","7","1") = "7"
    & skf18("1","8","4","4","2","8","1") = "7"
    & skf18("1","8","4","4","2","9","1") = "8"
    & skf18("1","8","4","4","2","10","1") = "9"
    & skf18("1","8","4","4","3","1","1") = "7"
    & skf18("1","8","4","4","3","2","1") = "7"
    & skf18("1","8","4","4","3","3","1") = "7"
    & skf18("1","8","4","4","3","4","1") = "7"
    & skf18("1","8","4","4","3","5","1") = "7"
    & skf18("1","8","4","4","3","6","1") = "7"
    & skf18("1","8","4","4","3","7","1") = "7"
    & skf18("1","8","4","4","3","8","1") = "7"
    & skf18("1","8","4","4","3","9","1") = "8"
    & skf18("1","8","4","4","3","10","1") = "9"
    & skf18("1","8","4","4","4","1","1") = "7"
    & skf18("1","8","4","4","4","2","1") = "7"
    & skf18("1","8","4","4","4","3","1") = "7"
    & skf18("1","8","4","4","4","4","1") = "7"
    & skf18("1","8","4","4","4","5","1") = "7"
    & skf18("1","8","4","4","4","6","1") = "7"
    & skf18("1","8","4","4","4","7","1") = "7"
    & skf18("1","8","4","4","4","8","1") = "7"
    & skf18("1","8","4","4","4","9","1") = "8"
    & skf18("1","8","4","4","4","10","1") = "9"
    & skf18("1","8","4","4","5","1","1") = "7"
    & skf18("1","8","4","4","5","2","1") = "7"
    & skf18("1","8","4","4","5","3","1") = "7"
    & skf18("1","8","4","4","5","4","1") = "7"
    & skf18("1","8","4","4","5","5","1") = "7"
    & skf18("1","8","4","4","5","6","1") = "7"
    & skf18("1","8","4","4","5","7","1") = "7"
    & skf18("1","8","4","4","5","8","1") = "7"
    & skf18("1","8","4","4","5","9","1") = "8"
    & skf18("1","8","4","4","5","10","1") = "9"
    & skf18("1","8","4","4","6","1","1") = "7"
    & skf18("1","8","4","4","6","2","1") = "7"
    & skf18("1","8","4","4","6","3","1") = "7"
    & skf18("1","8","4","4","6","4","1") = "7"
    & skf18("1","8","4","4","6","5","1") = "7"
    & skf18("1","8","4","4","6","6","1") = "7"
    & skf18("1","8","4","4","6","7","1") = "7"
    & skf18("1","8","4","4","6","8","1") = "7"
    & skf18("1","8","4","4","6","9","1") = "8"
    & skf18("1","8","4","4","6","10","1") = "9"
    & skf18("1","8","4","4","7","1","1") = "7"
    & skf18("1","8","4","4","7","2","1") = "7"
    & skf18("1","8","4","4","7","3","1") = "7"
    & skf18("1","8","4","4","7","4","1") = "7"
    & skf18("1","8","4","4","7","5","1") = "7"
    & skf18("1","8","4","4","7","6","1") = "7"
    & skf18("1","8","4","4","7","7","1") = "7"
    & skf18("1","8","4","4","7","8","1") = "7"
    & skf18("1","8","4","4","7","9","1") = "8"
    & skf18("1","8","4","4","7","10","1") = "9"
    & skf18("1","8","4","4","8","1","1") = "7"
    & skf18("1","8","4","4","8","2","1") = "7"
    & skf18("1","8","4","4","8","3","1") = "7"
    & skf18("1","8","4","4","8","4","1") = "7"
    & skf18("1","8","4","4","8","5","1") = "7"
    & skf18("1","8","4","4","8","6","1") = "7"
    & skf18("1","8","4","4","8","7","1") = "7"
    & skf18("1","8","4","4","8","8","1") = "7"
    & skf18("1","8","4","4","8","9","1") = "8"
    & skf18("1","8","4","4","8","10","1") = "9"
    & skf18("1","8","4","4","9","1","1") = "8"
    & skf18("1","8","4","4","9","2","1") = "8"
    & skf18("1","8","4","4","9","3","1") = "8"
    & skf18("1","8","4","4","9","4","1") = "8"
    & skf18("1","8","4","4","9","5","1") = "8"
    & skf18("1","8","4","4","9","6","1") = "8"
    & skf18("1","8","4","4","9","7","1") = "8"
    & skf18("1","8","4","4","9","8","1") = "8"
    & skf18("1","8","4","4","9","9","1") = "8"
    & skf18("1","8","4","4","9","10","1") = "9"
    & skf18("1","8","4","4","10","1","1") = "9"
    & skf18("1","8","4","4","10","2","1") = "9"
    & skf18("1","8","4","4","10","3","1") = "9"
    & skf18("1","8","4","4","10","4","1") = "9"
    & skf18("1","8","4","4","10","5","1") = "9"
    & skf18("1","8","4","4","10","6","1") = "9"
    & skf18("1","8","4","4","10","7","1") = "9"
    & skf18("1","8","4","4","10","8","1") = "9"
    & skf18("1","8","4","4","10","9","1") = "9"
    & skf18("1","8","4","4","10","10","1") = "9"
    & skf18("1","8","4","5","1","1","1") = "7"
    & skf18("1","8","4","5","1","2","1") = "7"
    & skf18("1","8","4","5","1","3","1") = "7"
    & skf18("1","8","4","5","1","4","1") = "7"
    & skf18("1","8","4","5","1","5","1") = "7"
    & skf18("1","8","4","5","1","6","1") = "7"
    & skf18("1","8","4","5","1","7","1") = "7"
    & skf18("1","8","4","5","1","8","1") = "7"
    & skf18("1","8","4","5","1","9","1") = "8"
    & skf18("1","8","4","5","1","10","1") = "9"
    & skf18("1","8","4","5","2","1","1") = "7"
    & skf18("1","8","4","5","2","2","1") = "7"
    & skf18("1","8","4","5","2","3","1") = "7"
    & skf18("1","8","4","5","2","4","1") = "7"
    & skf18("1","8","4","5","2","5","1") = "7"
    & skf18("1","8","4","5","2","6","1") = "7"
    & skf18("1","8","4","5","2","7","1") = "7"
    & skf18("1","8","4","5","2","8","1") = "7"
    & skf18("1","8","4","5","2","9","1") = "8"
    & skf18("1","8","4","5","2","10","1") = "9"
    & skf18("1","8","4","5","3","1","1") = "7"
    & skf18("1","8","4","5","3","2","1") = "7"
    & skf18("1","8","4","5","3","3","1") = "7"
    & skf18("1","8","4","5","3","4","1") = "7"
    & skf18("1","8","4","5","3","5","1") = "7"
    & skf18("1","8","4","5","3","6","1") = "7"
    & skf18("1","8","4","5","3","7","1") = "7"
    & skf18("1","8","4","5","3","8","1") = "7"
    & skf18("1","8","4","5","3","9","1") = "8"
    & skf18("1","8","4","5","3","10","1") = "9"
    & skf18("1","8","4","5","4","1","1") = "7"
    & skf18("1","8","4","5","4","2","1") = "7"
    & skf18("1","8","4","5","4","3","1") = "7"
    & skf18("1","8","4","5","4","4","1") = "7"
    & skf18("1","8","4","5","4","5","1") = "7"
    & skf18("1","8","4","5","4","6","1") = "7"
    & skf18("1","8","4","5","4","7","1") = "7"
    & skf18("1","8","4","5","4","8","1") = "7"
    & skf18("1","8","4","5","4","9","1") = "8"
    & skf18("1","8","4","5","4","10","1") = "9"
    & skf18("1","8","4","5","5","1","1") = "7"
    & skf18("1","8","4","5","5","2","1") = "7"
    & skf18("1","8","4","5","5","3","1") = "7"
    & skf18("1","8","4","5","5","4","1") = "7"
    & skf18("1","8","4","5","5","5","1") = "7"
    & skf18("1","8","4","5","5","6","1") = "7"
    & skf18("1","8","4","5","5","7","1") = "7"
    & skf18("1","8","4","5","5","8","1") = "7"
    & skf18("1","8","4","5","5","9","1") = "8"
    & skf18("1","8","4","5","5","10","1") = "9"
    & skf18("1","8","4","5","6","1","1") = "7"
    & skf18("1","8","4","5","6","2","1") = "7"
    & skf18("1","8","4","5","6","3","1") = "7"
    & skf18("1","8","4","5","6","4","1") = "7"
    & skf18("1","8","4","5","6","5","1") = "7"
    & skf18("1","8","4","5","6","6","1") = "7"
    & skf18("1","8","4","5","6","7","1") = "7"
    & skf18("1","8","4","5","6","8","1") = "7"
    & skf18("1","8","4","5","6","9","1") = "8"
    & skf18("1","8","4","5","6","10","1") = "9"
    & skf18("1","8","4","5","7","1","1") = "7"
    & skf18("1","8","4","5","7","2","1") = "7"
    & skf18("1","8","4","5","7","3","1") = "7"
    & skf18("1","8","4","5","7","4","1") = "7"
    & skf18("1","8","4","5","7","5","1") = "7"
    & skf18("1","8","4","5","7","6","1") = "7"
    & skf18("1","8","4","5","7","7","1") = "7"
    & skf18("1","8","4","5","7","8","1") = "7"
    & skf18("1","8","4","5","7","9","1") = "8"
    & skf18("1","8","4","5","7","10","1") = "9"
    & skf18("1","8","4","5","8","1","1") = "7"
    & skf18("1","8","4","5","8","2","1") = "7"
    & skf18("1","8","4","5","8","3","1") = "7"
    & skf18("1","8","4","5","8","4","1") = "7"
    & skf18("1","8","4","5","8","5","1") = "7"
    & skf18("1","8","4","5","8","6","1") = "7"
    & skf18("1","8","4","5","8","7","1") = "7"
    & skf18("1","8","4","5","8","8","1") = "7"
    & skf18("1","8","4","5","8","9","1") = "8"
    & skf18("1","8","4","5","8","10","1") = "9"
    & skf18("1","8","4","5","9","1","1") = "8"
    & skf18("1","8","4","5","9","2","1") = "8"
    & skf18("1","8","4","5","9","3","1") = "8"
    & skf18("1","8","4","5","9","4","1") = "8"
    & skf18("1","8","4","5","9","5","1") = "8"
    & skf18("1","8","4","5","9","6","1") = "8"
    & skf18("1","8","4","5","9","7","1") = "8"
    & skf18("1","8","4","5","9","8","1") = "8"
    & skf18("1","8","4","5","9","9","1") = "8"
    & skf18("1","8","4","5","9","10","1") = "9"
    & skf18("1","8","4","5","10","1","1") = "9"
    & skf18("1","8","4","5","10","2","1") = "9"
    & skf18("1","8","4","5","10","3","1") = "9"
    & skf18("1","8","4","5","10","4","1") = "9"
    & skf18("1","8","4","5","10","5","1") = "9"
    & skf18("1","8","4","5","10","6","1") = "9"
    & skf18("1","8","4","5","10","7","1") = "9"
    & skf18("1","8","4","5","10","8","1") = "9"
    & skf18("1","8","4","5","10","9","1") = "9"
    & skf18("1","8","4","5","10","10","1") = "9"
    & skf18("1","8","4","6","1","1","1") = "7"
    & skf18("1","8","4","6","1","2","1") = "7"
    & skf18("1","8","4","6","1","3","1") = "7"
    & skf18("1","8","4","6","1","4","1") = "7"
    & skf18("1","8","4","6","1","5","1") = "7"
    & skf18("1","8","4","6","1","6","1") = "7"
    & skf18("1","8","4","6","1","7","1") = "7"
    & skf18("1","8","4","6","1","8","1") = "7"
    & skf18("1","8","4","6","1","9","1") = "8"
    & skf18("1","8","4","6","1","10","1") = "9"
    & skf18("1","8","4","6","2","1","1") = "7"
    & skf18("1","8","4","6","2","2","1") = "7"
    & skf18("1","8","4","6","2","3","1") = "7"
    & skf18("1","8","4","6","2","4","1") = "7"
    & skf18("1","8","4","6","2","5","1") = "7"
    & skf18("1","8","4","6","2","6","1") = "7"
    & skf18("1","8","4","6","2","7","1") = "7"
    & skf18("1","8","4","6","2","8","1") = "7"
    & skf18("1","8","4","6","2","9","1") = "8"
    & skf18("1","8","4","6","2","10","1") = "9"
    & skf18("1","8","4","6","3","1","1") = "7"
    & skf18("1","8","4","6","3","2","1") = "7"
    & skf18("1","8","4","6","3","3","1") = "7"
    & skf18("1","8","4","6","3","4","1") = "7"
    & skf18("1","8","4","6","3","5","1") = "7"
    & skf18("1","8","4","6","3","6","1") = "7"
    & skf18("1","8","4","6","3","7","1") = "7"
    & skf18("1","8","4","6","3","8","1") = "7"
    & skf18("1","8","4","6","3","9","1") = "8"
    & skf18("1","8","4","6","3","10","1") = "9"
    & skf18("1","8","4","6","4","1","1") = "7"
    & skf18("1","8","4","6","4","2","1") = "7"
    & skf18("1","8","4","6","4","3","1") = "7"
    & skf18("1","8","4","6","4","4","1") = "7"
    & skf18("1","8","4","6","4","5","1") = "7"
    & skf18("1","8","4","6","4","6","1") = "7"
    & skf18("1","8","4","6","4","7","1") = "7"
    & skf18("1","8","4","6","4","8","1") = "7"
    & skf18("1","8","4","6","4","9","1") = "8"
    & skf18("1","8","4","6","4","10","1") = "9"
    & skf18("1","8","4","6","5","1","1") = "7"
    & skf18("1","8","4","6","5","2","1") = "7"
    & skf18("1","8","4","6","5","3","1") = "7"
    & skf18("1","8","4","6","5","4","1") = "7"
    & skf18("1","8","4","6","5","5","1") = "7"
    & skf18("1","8","4","6","5","6","1") = "7"
    & skf18("1","8","4","6","5","7","1") = "7"
    & skf18("1","8","4","6","5","8","1") = "7"
    & skf18("1","8","4","6","5","9","1") = "8"
    & skf18("1","8","4","6","5","10","1") = "9"
    & skf18("1","8","4","6","6","1","1") = "7"
    & skf18("1","8","4","6","6","2","1") = "7"
    & skf18("1","8","4","6","6","3","1") = "7"
    & skf18("1","8","4","6","6","4","1") = "7"
    & skf18("1","8","4","6","6","5","1") = "7"
    & skf18("1","8","4","6","6","6","1") = "7"
    & skf18("1","8","4","6","6","7","1") = "7"
    & skf18("1","8","4","6","6","8","1") = "7"
    & skf18("1","8","4","6","6","9","1") = "8"
    & skf18("1","8","4","6","6","10","1") = "9"
    & skf18("1","8","4","6","7","1","1") = "7"
    & skf18("1","8","4","6","7","2","1") = "7"
    & skf18("1","8","4","6","7","3","1") = "7"
    & skf18("1","8","4","6","7","4","1") = "7"
    & skf18("1","8","4","6","7","5","1") = "7"
    & skf18("1","8","4","6","7","6","1") = "7"
    & skf18("1","8","4","6","7","7","1") = "7"
    & skf18("1","8","4","6","7","8","1") = "7"
    & skf18("1","8","4","6","7","9","1") = "8"
    & skf18("1","8","4","6","7","10","1") = "9"
    & skf18("1","8","4","6","8","1","1") = "7"
    & skf18("1","8","4","6","8","2","1") = "7"
    & skf18("1","8","4","6","8","3","1") = "7"
    & skf18("1","8","4","6","8","4","1") = "7"
    & skf18("1","8","4","6","8","5","1") = "7"
    & skf18("1","8","4","6","8","6","1") = "7"
    & skf18("1","8","4","6","8","7","1") = "7"
    & skf18("1","8","4","6","8","8","1") = "7"
    & skf18("1","8","4","6","8","9","1") = "8"
    & skf18("1","8","4","6","8","10","1") = "9"
    & skf18("1","8","4","6","9","1","1") = "8"
    & skf18("1","8","4","6","9","2","1") = "8"
    & skf18("1","8","4","6","9","3","1") = "8"
    & skf18("1","8","4","6","9","4","1") = "8"
    & skf18("1","8","4","6","9","5","1") = "8"
    & skf18("1","8","4","6","9","6","1") = "8"
    & skf18("1","8","4","6","9","7","1") = "8"
    & skf18("1","8","4","6","9","8","1") = "8"
    & skf18("1","8","4","6","9","9","1") = "8"
    & skf18("1","8","4","6","9","10","1") = "9"
    & skf18("1","8","4","6","10","1","1") = "9"
    & skf18("1","8","4","6","10","2","1") = "9"
    & skf18("1","8","4","6","10","3","1") = "9"
    & skf18("1","8","4","6","10","4","1") = "9"
    & skf18("1","8","4","6","10","5","1") = "9"
    & skf18("1","8","4","6","10","6","1") = "9"
    & skf18("1","8","4","6","10","7","1") = "9"
    & skf18("1","8","4","6","10","8","1") = "9"
    & skf18("1","8","4","6","10","9","1") = "9"
    & skf18("1","8","4","6","10","10","1") = "9"
    & skf18("1","8","4","7","1","1","1") = "7"
    & skf18("1","8","4","7","1","2","1") = "7"
    & skf18("1","8","4","7","1","3","1") = "7"
    & skf18("1","8","4","7","1","4","1") = "7"
    & skf18("1","8","4","7","1","5","1") = "7"
    & skf18("1","8","4","7","1","6","1") = "7"
    & skf18("1","8","4","7","1","7","1") = "7"
    & skf18("1","8","4","7","1","8","1") = "7"
    & skf18("1","8","4","7","1","9","1") = "8"
    & skf18("1","8","4","7","1","10","1") = "9"
    & skf18("1","8","4","7","2","1","1") = "7"
    & skf18("1","8","4","7","2","2","1") = "7"
    & skf18("1","8","4","7","2","3","1") = "7"
    & skf18("1","8","4","7","2","4","1") = "7"
    & skf18("1","8","4","7","2","5","1") = "7"
    & skf18("1","8","4","7","2","6","1") = "7"
    & skf18("1","8","4","7","2","7","1") = "7"
    & skf18("1","8","4","7","2","8","1") = "7"
    & skf18("1","8","4","7","2","9","1") = "8"
    & skf18("1","8","4","7","2","10","1") = "9"
    & skf18("1","8","4","7","3","1","1") = "7"
    & skf18("1","8","4","7","3","2","1") = "7"
    & skf18("1","8","4","7","3","3","1") = "7"
    & skf18("1","8","4","7","3","4","1") = "7"
    & skf18("1","8","4","7","3","5","1") = "7"
    & skf18("1","8","4","7","3","6","1") = "7"
    & skf18("1","8","4","7","3","7","1") = "7"
    & skf18("1","8","4","7","3","8","1") = "7"
    & skf18("1","8","4","7","3","9","1") = "8"
    & skf18("1","8","4","7","3","10","1") = "9"
    & skf18("1","8","4","7","4","1","1") = "7"
    & skf18("1","8","4","7","4","2","1") = "7"
    & skf18("1","8","4","7","4","3","1") = "7"
    & skf18("1","8","4","7","4","4","1") = "7"
    & skf18("1","8","4","7","4","5","1") = "7"
    & skf18("1","8","4","7","4","6","1") = "7"
    & skf18("1","8","4","7","4","7","1") = "7"
    & skf18("1","8","4","7","4","8","1") = "7"
    & skf18("1","8","4","7","4","9","1") = "8"
    & skf18("1","8","4","7","4","10","1") = "9"
    & skf18("1","8","4","7","5","1","1") = "7"
    & skf18("1","8","4","7","5","2","1") = "7"
    & skf18("1","8","4","7","5","3","1") = "7"
    & skf18("1","8","4","7","5","4","1") = "7"
    & skf18("1","8","4","7","5","5","1") = "7"
    & skf18("1","8","4","7","5","6","1") = "7"
    & skf18("1","8","4","7","5","7","1") = "7"
    & skf18("1","8","4","7","5","8","1") = "7"
    & skf18("1","8","4","7","5","9","1") = "8"
    & skf18("1","8","4","7","5","10","1") = "9"
    & skf18("1","8","4","7","6","1","1") = "7"
    & skf18("1","8","4","7","6","2","1") = "7"
    & skf18("1","8","4","7","6","3","1") = "7"
    & skf18("1","8","4","7","6","4","1") = "7"
    & skf18("1","8","4","7","6","5","1") = "7"
    & skf18("1","8","4","7","6","6","1") = "7"
    & skf18("1","8","4","7","6","7","1") = "7"
    & skf18("1","8","4","7","6","8","1") = "7"
    & skf18("1","8","4","7","6","9","1") = "8"
    & skf18("1","8","4","7","6","10","1") = "9"
    & skf18("1","8","4","7","7","1","1") = "7"
    & skf18("1","8","4","7","7","2","1") = "7"
    & skf18("1","8","4","7","7","3","1") = "7"
    & skf18("1","8","4","7","7","4","1") = "7"
    & skf18("1","8","4","7","7","5","1") = "7"
    & skf18("1","8","4","7","7","6","1") = "7"
    & skf18("1","8","4","7","7","7","1") = "7"
    & skf18("1","8","4","7","7","8","1") = "7"
    & skf18("1","8","4","7","7","9","1") = "8"
    & skf18("1","8","4","7","7","10","1") = "9"
    & skf18("1","8","4","7","8","1","1") = "7"
    & skf18("1","8","4","7","8","2","1") = "7"
    & skf18("1","8","4","7","8","3","1") = "7"
    & skf18("1","8","4","7","8","4","1") = "7"
    & skf18("1","8","4","7","8","5","1") = "7"
    & skf18("1","8","4","7","8","6","1") = "7"
    & skf18("1","8","4","7","8","7","1") = "7"
    & skf18("1","8","4","7","8","8","1") = "7"
    & skf18("1","8","4","7","8","9","1") = "8"
    & skf18("1","8","4","7","8","10","1") = "9"
    & skf18("1","8","4","7","9","1","1") = "8"
    & skf18("1","8","4","7","9","2","1") = "8"
    & skf18("1","8","4","7","9","3","1") = "8"
    & skf18("1","8","4","7","9","4","1") = "8"
    & skf18("1","8","4","7","9","5","1") = "8"
    & skf18("1","8","4","7","9","6","1") = "8"
    & skf18("1","8","4","7","9","7","1") = "8"
    & skf18("1","8","4","7","9","8","1") = "8"
    & skf18("1","8","4","7","9","9","1") = "8"
    & skf18("1","8","4","7","9","10","1") = "9"
    & skf18("1","8","4","7","10","1","1") = "9"
    & skf18("1","8","4","7","10","2","1") = "9"
    & skf18("1","8","4","7","10","3","1") = "9"
    & skf18("1","8","4","7","10","4","1") = "9"
    & skf18("1","8","4","7","10","5","1") = "9"
    & skf18("1","8","4","7","10","6","1") = "9"
    & skf18("1","8","4","7","10","7","1") = "9"
    & skf18("1","8","4","7","10","8","1") = "9"
    & skf18("1","8","4","7","10","9","1") = "9"
    & skf18("1","8","4","7","10","10","1") = "9"
    & skf18("1","8","4","8","1","1","1") = "7"
    & skf18("1","8","4","8","1","2","1") = "7"
    & skf18("1","8","4","8","1","3","1") = "7"
    & skf18("1","8","4","8","1","4","1") = "7"
    & skf18("1","8","4","8","1","5","1") = "7"
    & skf18("1","8","4","8","1","6","1") = "7"
    & skf18("1","8","4","8","1","7","1") = "7"
    & skf18("1","8","4","8","1","8","1") = "7"
    & skf18("1","8","4","8","1","9","1") = "8"
    & skf18("1","8","4","8","1","10","1") = "9"
    & skf18("1","8","4","8","2","1","1") = "7"
    & skf18("1","8","4","8","2","2","1") = "7"
    & skf18("1","8","4","8","2","3","1") = "7"
    & skf18("1","8","4","8","2","4","1") = "7"
    & skf18("1","8","4","8","2","5","1") = "7"
    & skf18("1","8","4","8","2","6","1") = "7"
    & skf18("1","8","4","8","2","7","1") = "7"
    & skf18("1","8","4","8","2","8","1") = "7"
    & skf18("1","8","4","8","2","9","1") = "8"
    & skf18("1","8","4","8","2","10","1") = "9"
    & skf18("1","8","4","8","3","1","1") = "7"
    & skf18("1","8","4","8","3","2","1") = "7"
    & skf18("1","8","4","8","3","3","1") = "7"
    & skf18("1","8","4","8","3","4","1") = "7"
    & skf18("1","8","4","8","3","5","1") = "7"
    & skf18("1","8","4","8","3","6","1") = "7"
    & skf18("1","8","4","8","3","7","1") = "7"
    & skf18("1","8","4","8","3","8","1") = "7"
    & skf18("1","8","4","8","3","9","1") = "8"
    & skf18("1","8","4","8","3","10","1") = "9"
    & skf18("1","8","4","8","4","1","1") = "7"
    & skf18("1","8","4","8","4","2","1") = "7"
    & skf18("1","8","4","8","4","3","1") = "7"
    & skf18("1","8","4","8","4","4","1") = "7"
    & skf18("1","8","4","8","4","5","1") = "7"
    & skf18("1","8","4","8","4","6","1") = "7"
    & skf18("1","8","4","8","4","7","1") = "7"
    & skf18("1","8","4","8","4","8","1") = "7"
    & skf18("1","8","4","8","4","9","1") = "8"
    & skf18("1","8","4","8","4","10","1") = "9"
    & skf18("1","8","4","8","5","1","1") = "7"
    & skf18("1","8","4","8","5","2","1") = "7"
    & skf18("1","8","4","8","5","3","1") = "7"
    & skf18("1","8","4","8","5","4","1") = "7"
    & skf18("1","8","4","8","5","5","1") = "7"
    & skf18("1","8","4","8","5","6","1") = "7"
    & skf18("1","8","4","8","5","7","1") = "7"
    & skf18("1","8","4","8","5","8","1") = "7"
    & skf18("1","8","4","8","5","9","1") = "8"
    & skf18("1","8","4","8","5","10","1") = "9"
    & skf18("1","8","4","8","6","1","1") = "7"
    & skf18("1","8","4","8","6","2","1") = "7"
    & skf18("1","8","4","8","6","3","1") = "7"
    & skf18("1","8","4","8","6","4","1") = "7"
    & skf18("1","8","4","8","6","5","1") = "7"
    & skf18("1","8","4","8","6","6","1") = "7"
    & skf18("1","8","4","8","6","7","1") = "7"
    & skf18("1","8","4","8","6","8","1") = "7"
    & skf18("1","8","4","8","6","9","1") = "8"
    & skf18("1","8","4","8","6","10","1") = "9"
    & skf18("1","8","4","8","7","1","1") = "7"
    & skf18("1","8","4","8","7","2","1") = "7"
    & skf18("1","8","4","8","7","3","1") = "7"
    & skf18("1","8","4","8","7","4","1") = "7"
    & skf18("1","8","4","8","7","5","1") = "7"
    & skf18("1","8","4","8","7","6","1") = "7"
    & skf18("1","8","4","8","7","7","1") = "7"
    & skf18("1","8","4","8","7","8","1") = "7"
    & skf18("1","8","4","8","7","9","1") = "8"
    & skf18("1","8","4","8","7","10","1") = "9"
    & skf18("1","8","4","8","8","1","1") = "7"
    & skf18("1","8","4","8","8","2","1") = "7"
    & skf18("1","8","4","8","8","3","1") = "7"
    & skf18("1","8","4","8","8","4","1") = "7"
    & skf18("1","8","4","8","8","5","1") = "7"
    & skf18("1","8","4","8","8","6","1") = "7"
    & skf18("1","8","4","8","8","7","1") = "7"
    & skf18("1","8","4","8","8","8","1") = "7"
    & skf18("1","8","4","8","8","9","1") = "8"
    & skf18("1","8","4","8","8","10","1") = "9"
    & skf18("1","8","4","8","9","1","1") = "8"
    & skf18("1","8","4","8","9","2","1") = "8"
    & skf18("1","8","4","8","9","3","1") = "8"
    & skf18("1","8","4","8","9","4","1") = "8"
    & skf18("1","8","4","8","9","5","1") = "8"
    & skf18("1","8","4","8","9","6","1") = "8"
    & skf18("1","8","4","8","9","7","1") = "8"
    & skf18("1","8","4","8","9","8","1") = "8"
    & skf18("1","8","4","8","9","9","1") = "8"
    & skf18("1","8","4","8","9","10","1") = "9"
    & skf18("1","8","4","8","10","1","1") = "9"
    & skf18("1","8","4","8","10","2","1") = "9"
    & skf18("1","8","4","8","10","3","1") = "9"
    & skf18("1","8","4","8","10","4","1") = "9"
    & skf18("1","8","4","8","10","5","1") = "9"
    & skf18("1","8","4","8","10","6","1") = "9"
    & skf18("1","8","4","8","10","7","1") = "9"
    & skf18("1","8","4","8","10","8","1") = "9"
    & skf18("1","8","4","8","10","9","1") = "9"
    & skf18("1","8","4","8","10","10","1") = "9"
    & skf18("1","8","4","9","1","1","1") = "8"
    & skf18("1","8","4","9","1","2","1") = "8"
    & skf18("1","8","4","9","1","3","1") = "8"
    & skf18("1","8","4","9","1","4","1") = "8"
    & skf18("1","8","4","9","1","5","1") = "8"
    & skf18("1","8","4","9","1","6","1") = "8"
    & skf18("1","8","4","9","1","7","1") = "8"
    & skf18("1","8","4","9","1","8","1") = "8"
    & skf18("1","8","4","9","1","9","1") = "8"
    & skf18("1","8","4","9","1","10","1") = "9"
    & skf18("1","8","4","9","2","1","1") = "8"
    & skf18("1","8","4","9","2","2","1") = "8"
    & skf18("1","8","4","9","2","3","1") = "8"
    & skf18("1","8","4","9","2","4","1") = "8"
    & skf18("1","8","4","9","2","5","1") = "8"
    & skf18("1","8","4","9","2","6","1") = "8"
    & skf18("1","8","4","9","2","7","1") = "8"
    & skf18("1","8","4","9","2","8","1") = "8"
    & skf18("1","8","4","9","2","9","1") = "8"
    & skf18("1","8","4","9","2","10","1") = "9"
    & skf18("1","8","4","9","3","1","1") = "8"
    & skf18("1","8","4","9","3","2","1") = "8"
    & skf18("1","8","4","9","3","3","1") = "8"
    & skf18("1","8","4","9","3","4","1") = "8"
    & skf18("1","8","4","9","3","5","1") = "8"
    & skf18("1","8","4","9","3","6","1") = "8"
    & skf18("1","8","4","9","3","7","1") = "8"
    & skf18("1","8","4","9","3","8","1") = "8"
    & skf18("1","8","4","9","3","9","1") = "8"
    & skf18("1","8","4","9","3","10","1") = "9"
    & skf18("1","8","4","9","4","1","1") = "8"
    & skf18("1","8","4","9","4","2","1") = "8"
    & skf18("1","8","4","9","4","3","1") = "8"
    & skf18("1","8","4","9","4","4","1") = "8"
    & skf18("1","8","4","9","4","5","1") = "8"
    & skf18("1","8","4","9","4","6","1") = "8"
    & skf18("1","8","4","9","4","7","1") = "8"
    & skf18("1","8","4","9","4","8","1") = "8"
    & skf18("1","8","4","9","4","9","1") = "8"
    & skf18("1","8","4","9","4","10","1") = "9"
    & skf18("1","8","4","9","5","1","1") = "8"
    & skf18("1","8","4","9","5","2","1") = "8"
    & skf18("1","8","4","9","5","3","1") = "8"
    & skf18("1","8","4","9","5","4","1") = "8"
    & skf18("1","8","4","9","5","5","1") = "8"
    & skf18("1","8","4","9","5","6","1") = "8"
    & skf18("1","8","4","9","5","7","1") = "8"
    & skf18("1","8","4","9","5","8","1") = "8"
    & skf18("1","8","4","9","5","9","1") = "8"
    & skf18("1","8","4","9","5","10","1") = "9"
    & skf18("1","8","4","9","6","1","1") = "8"
    & skf18("1","8","4","9","6","2","1") = "8"
    & skf18("1","8","4","9","6","3","1") = "8"
    & skf18("1","8","4","9","6","4","1") = "8"
    & skf18("1","8","4","9","6","5","1") = "8"
    & skf18("1","8","4","9","6","6","1") = "8"
    & skf18("1","8","4","9","6","7","1") = "8"
    & skf18("1","8","4","9","6","8","1") = "8"
    & skf18("1","8","4","9","6","9","1") = "8"
    & skf18("1","8","4","9","6","10","1") = "9"
    & skf18("1","8","4","9","7","1","1") = "8"
    & skf18("1","8","4","9","7","2","1") = "8"
    & skf18("1","8","4","9","7","3","1") = "8"
    & skf18("1","8","4","9","7","4","1") = "8"
    & skf18("1","8","4","9","7","5","1") = "8"
    & skf18("1","8","4","9","7","6","1") = "8"
    & skf18("1","8","4","9","7","7","1") = "8"
    & skf18("1","8","4","9","7","8","1") = "8"
    & skf18("1","8","4","9","7","9","1") = "8"
    & skf18("1","8","4","9","7","10","1") = "9"
    & skf18("1","8","4","9","8","1","1") = "8"
    & skf18("1","8","4","9","8","2","1") = "8"
    & skf18("1","8","4","9","8","3","1") = "8"
    & skf18("1","8","4","9","8","4","1") = "8"
    & skf18("1","8","4","9","8","5","1") = "8"
    & skf18("1","8","4","9","8","6","1") = "8"
    & skf18("1","8","4","9","8","7","1") = "8"
    & skf18("1","8","4","9","8","8","1") = "8"
    & skf18("1","8","4","9","8","9","1") = "8"
    & skf18("1","8","4","9","8","10","1") = "9"
    & skf18("1","8","4","9","9","1","1") = "8"
    & skf18("1","8","4","9","9","2","1") = "8"
    & skf18("1","8","4","9","9","3","1") = "8"
    & skf18("1","8","4","9","9","4","1") = "8"
    & skf18("1","8","4","9","9","5","1") = "8"
    & skf18("1","8","4","9","9","6","1") = "8"
    & skf18("1","8","4","9","9","7","1") = "8"
    & skf18("1","8","4","9","9","8","1") = "8"
    & skf18("1","8","4","9","9","9","1") = "8"
    & skf18("1","8","4","9","9","10","1") = "9"
    & skf18("1","8","4","9","10","1","1") = "9"
    & skf18("1","8","4","9","10","2","1") = "9"
    & skf18("1","8","4","9","10","3","1") = "9"
    & skf18("1","8","4","9","10","4","1") = "9"
    & skf18("1","8","4","9","10","5","1") = "9"
    & skf18("1","8","4","9","10","6","1") = "9"
    & skf18("1","8","4","9","10","7","1") = "9"
    & skf18("1","8","4","9","10","8","1") = "9"
    & skf18("1","8","4","9","10","9","1") = "9"
    & skf18("1","8","4","9","10","10","1") = "9"
    & skf18("1","8","4","10","1","1","1") = "9"
    & skf18("1","8","4","10","1","2","1") = "9"
    & skf18("1","8","4","10","1","3","1") = "9"
    & skf18("1","8","4","10","1","4","1") = "9"
    & skf18("1","8","4","10","1","5","1") = "9"
    & skf18("1","8","4","10","1","6","1") = "9"
    & skf18("1","8","4","10","1","7","1") = "9"
    & skf18("1","8","4","10","1","8","1") = "9"
    & skf18("1","8","4","10","1","9","1") = "9"
    & skf18("1","8","4","10","1","10","1") = "9"
    & skf18("1","8","4","10","2","1","1") = "9"
    & skf18("1","8","4","10","2","2","1") = "9"
    & skf18("1","8","4","10","2","3","1") = "9"
    & skf18("1","8","4","10","2","4","1") = "9"
    & skf18("1","8","4","10","2","5","1") = "9"
    & skf18("1","8","4","10","2","6","1") = "9"
    & skf18("1","8","4","10","2","7","1") = "9"
    & skf18("1","8","4","10","2","8","1") = "9"
    & skf18("1","8","4","10","2","9","1") = "9"
    & skf18("1","8","4","10","2","10","1") = "9"
    & skf18("1","8","4","10","3","1","1") = "9"
    & skf18("1","8","4","10","3","2","1") = "9"
    & skf18("1","8","4","10","3","3","1") = "9"
    & skf18("1","8","4","10","3","4","1") = "9"
    & skf18("1","8","4","10","3","5","1") = "9"
    & skf18("1","8","4","10","3","6","1") = "9"
    & skf18("1","8","4","10","3","7","1") = "9"
    & skf18("1","8","4","10","3","8","1") = "9"
    & skf18("1","8","4","10","3","9","1") = "9"
    & skf18("1","8","4","10","3","10","1") = "9"
    & skf18("1","8","4","10","4","1","1") = "9"
    & skf18("1","8","4","10","4","2","1") = "9"
    & skf18("1","8","4","10","4","3","1") = "9"
    & skf18("1","8","4","10","4","4","1") = "9"
    & skf18("1","8","4","10","4","5","1") = "9"
    & skf18("1","8","4","10","4","6","1") = "9"
    & skf18("1","8","4","10","4","7","1") = "9"
    & skf18("1","8","4","10","4","8","1") = "9"
    & skf18("1","8","4","10","4","9","1") = "9"
    & skf18("1","8","4","10","4","10","1") = "9"
    & skf18("1","8","4","10","5","1","1") = "9"
    & skf18("1","8","4","10","5","2","1") = "9"
    & skf18("1","8","4","10","5","3","1") = "9"
    & skf18("1","8","4","10","5","4","1") = "9"
    & skf18("1","8","4","10","5","5","1") = "9"
    & skf18("1","8","4","10","5","6","1") = "9"
    & skf18("1","8","4","10","5","7","1") = "9"
    & skf18("1","8","4","10","5","8","1") = "9"
    & skf18("1","8","4","10","5","9","1") = "9"
    & skf18("1","8","4","10","5","10","1") = "9"
    & skf18("1","8","4","10","6","1","1") = "9"
    & skf18("1","8","4","10","6","2","1") = "9"
    & skf18("1","8","4","10","6","3","1") = "9"
    & skf18("1","8","4","10","6","4","1") = "9"
    & skf18("1","8","4","10","6","5","1") = "9"
    & skf18("1","8","4","10","6","6","1") = "9"
    & skf18("1","8","4","10","6","7","1") = "9"
    & skf18("1","8","4","10","6","8","1") = "9"
    & skf18("1","8","4","10","6","9","1") = "9"
    & skf18("1","8","4","10","6","10","1") = "9"
    & skf18("1","8","4","10","7","1","1") = "9"
    & skf18("1","8","4","10","7","2","1") = "9"
    & skf18("1","8","4","10","7","3","1") = "9"
    & skf18("1","8","4","10","7","4","1") = "9"
    & skf18("1","8","4","10","7","5","1") = "9"
    & skf18("1","8","4","10","7","6","1") = "9"
    & skf18("1","8","4","10","7","7","1") = "9"
    & skf18("1","8","4","10","7","8","1") = "9"
    & skf18("1","8","4","10","7","9","1") = "9"
    & skf18("1","8","4","10","7","10","1") = "9"
    & skf18("1","8","4","10","8","1","1") = "9"
    & skf18("1","8","4","10","8","2","1") = "9"
    & skf18("1","8","4","10","8","3","1") = "9"
    & skf18("1","8","4","10","8","4","1") = "9"
    & skf18("1","8","4","10","8","5","1") = "9"
    & skf18("1","8","4","10","8","6","1") = "9"
    & skf18("1","8","4","10","8","7","1") = "9"
    & skf18("1","8","4","10","8","8","1") = "9"
    & skf18("1","8","4","10","8","9","1") = "9"
    & skf18("1","8","4","10","8","10","1") = "9"
    & skf18("1","8","4","10","9","1","1") = "9"
    & skf18("1","8","4","10","9","2","1") = "9"
    & skf18("1","8","4","10","9","3","1") = "9"
    & skf18("1","8","4","10","9","4","1") = "9"
    & skf18("1","8","4","10","9","5","1") = "9"
    & skf18("1","8","4","10","9","6","1") = "9"
    & skf18("1","8","4","10","9","7","1") = "9"
    & skf18("1","8","4","10","9","8","1") = "9"
    & skf18("1","8","4","10","9","9","1") = "9"
    & skf18("1","8","4","10","9","10","1") = "9"
    & skf18("1","8","4","10","10","1","1") = "9"
    & skf18("1","8","4","10","10","2","1") = "9"
    & skf18("1","8","4","10","10","3","1") = "9"
    & skf18("1","8","4","10","10","4","1") = "9"
    & skf18("1","8","4","10","10","5","1") = "9"
    & skf18("1","8","4","10","10","6","1") = "9"
    & skf18("1","8","4","10","10","7","1") = "9"
    & skf18("1","8","4","10","10","8","1") = "9"
    & skf18("1","8","4","10","10","9","1") = "9"
    & skf18("1","8","4","10","10","10","1") = "9"
    & skf18("1","8","5","1","1","1","1") = "7"
    & skf18("1","8","5","1","1","2","1") = "7"
    & skf18("1","8","5","1","1","3","1") = "7"
    & skf18("1","8","5","1","1","4","1") = "7"
    & skf18("1","8","5","1","1","5","1") = "7"
    & skf18("1","8","5","1","1","6","1") = "7"
    & skf18("1","8","5","1","1","7","1") = "7"
    & skf18("1","8","5","1","1","8","1") = "7"
    & skf18("1","8","5","1","1","9","1") = "8"
    & skf18("1","8","5","1","1","10","1") = "9"
    & skf18("1","8","5","1","2","1","1") = "7"
    & skf18("1","8","5","1","2","2","1") = "7"
    & skf18("1","8","5","1","2","3","1") = "7"
    & skf18("1","8","5","1","2","4","1") = "7"
    & skf18("1","8","5","1","2","5","1") = "7"
    & skf18("1","8","5","1","2","6","1") = "7"
    & skf18("1","8","5","1","2","7","1") = "7"
    & skf18("1","8","5","1","2","8","1") = "7"
    & skf18("1","8","5","1","2","9","1") = "8"
    & skf18("1","8","5","1","2","10","1") = "9"
    & skf18("1","8","5","1","3","1","1") = "7"
    & skf18("1","8","5","1","3","2","1") = "7"
    & skf18("1","8","5","1","3","3","1") = "7"
    & skf18("1","8","5","1","3","4","1") = "7"
    & skf18("1","8","5","1","3","5","1") = "7"
    & skf18("1","8","5","1","3","6","1") = "7"
    & skf18("1","8","5","1","3","7","1") = "7"
    & skf18("1","8","5","1","3","8","1") = "7"
    & skf18("1","8","5","1","3","9","1") = "8"
    & skf18("1","8","5","1","3","10","1") = "9"
    & skf18("1","8","5","1","4","1","1") = "7"
    & skf18("1","8","5","1","4","2","1") = "7"
    & skf18("1","8","5","1","4","3","1") = "7"
    & skf18("1","8","5","1","4","4","1") = "7"
    & skf18("1","8","5","1","4","5","1") = "7"
    & skf18("1","8","5","1","4","6","1") = "7"
    & skf18("1","8","5","1","4","7","1") = "7"
    & skf18("1","8","5","1","4","8","1") = "7"
    & skf18("1","8","5","1","4","9","1") = "8"
    & skf18("1","8","5","1","4","10","1") = "9"
    & skf18("1","8","5","1","5","1","1") = "7"
    & skf18("1","8","5","1","5","2","1") = "7"
    & skf18("1","8","5","1","5","3","1") = "7"
    & skf18("1","8","5","1","5","4","1") = "7"
    & skf18("1","8","5","1","5","5","1") = "7"
    & skf18("1","8","5","1","5","6","1") = "7"
    & skf18("1","8","5","1","5","7","1") = "7"
    & skf18("1","8","5","1","5","8","1") = "7"
    & skf18("1","8","5","1","5","9","1") = "8"
    & skf18("1","8","5","1","5","10","1") = "9"
    & skf18("1","8","5","1","6","1","1") = "7"
    & skf18("1","8","5","1","6","2","1") = "7"
    & skf18("1","8","5","1","6","3","1") = "7"
    & skf18("1","8","5","1","6","4","1") = "7"
    & skf18("1","8","5","1","6","5","1") = "7"
    & skf18("1","8","5","1","6","6","1") = "7"
    & skf18("1","8","5","1","6","7","1") = "7"
    & skf18("1","8","5","1","6","8","1") = "7"
    & skf18("1","8","5","1","6","9","1") = "8"
    & skf18("1","8","5","1","6","10","1") = "9"
    & skf18("1","8","5","1","7","1","1") = "7"
    & skf18("1","8","5","1","7","2","1") = "7"
    & skf18("1","8","5","1","7","3","1") = "7"
    & skf18("1","8","5","1","7","4","1") = "7"
    & skf18("1","8","5","1","7","5","1") = "7"
    & skf18("1","8","5","1","7","6","1") = "7"
    & skf18("1","8","5","1","7","7","1") = "7"
    & skf18("1","8","5","1","7","8","1") = "7"
    & skf18("1","8","5","1","7","9","1") = "8"
    & skf18("1","8","5","1","7","10","1") = "9"
    & skf18("1","8","5","1","8","1","1") = "7"
    & skf18("1","8","5","1","8","2","1") = "7"
    & skf18("1","8","5","1","8","3","1") = "7"
    & skf18("1","8","5","1","8","4","1") = "7"
    & skf18("1","8","5","1","8","5","1") = "7"
    & skf18("1","8","5","1","8","6","1") = "7"
    & skf18("1","8","5","1","8","7","1") = "7"
    & skf18("1","8","5","1","8","8","1") = "7"
    & skf18("1","8","5","1","8","9","1") = "8"
    & skf18("1","8","5","1","8","10","1") = "9"
    & skf18("1","8","5","1","9","1","1") = "8"
    & skf18("1","8","5","1","9","2","1") = "8"
    & skf18("1","8","5","1","9","3","1") = "8"
    & skf18("1","8","5","1","9","4","1") = "8"
    & skf18("1","8","5","1","9","5","1") = "8"
    & skf18("1","8","5","1","9","6","1") = "8"
    & skf18("1","8","5","1","9","7","1") = "8"
    & skf18("1","8","5","1","9","8","1") = "8"
    & skf18("1","8","5","1","9","9","1") = "8"
    & skf18("1","8","5","1","9","10","1") = "9"
    & skf18("1","8","5","1","10","1","1") = "9"
    & skf18("1","8","5","1","10","2","1") = "9"
    & skf18("1","8","5","1","10","3","1") = "9"
    & skf18("1","8","5","1","10","4","1") = "9"
    & skf18("1","8","5","1","10","5","1") = "9"
    & skf18("1","8","5","1","10","6","1") = "9"
    & skf18("1","8","5","1","10","7","1") = "9"
    & skf18("1","8","5","1","10","8","1") = "9"
    & skf18("1","8","5","1","10","9","1") = "9"
    & skf18("1","8","5","1","10","10","1") = "9"
    & skf18("1","8","5","2","1","1","1") = "7"
    & skf18("1","8","5","2","1","2","1") = "7"
    & skf18("1","8","5","2","1","3","1") = "7"
    & skf18("1","8","5","2","1","4","1") = "7"
    & skf18("1","8","5","2","1","5","1") = "7"
    & skf18("1","8","5","2","1","6","1") = "7"
    & skf18("1","8","5","2","1","7","1") = "7"
    & skf18("1","8","5","2","1","8","1") = "7"
    & skf18("1","8","5","2","1","9","1") = "8"
    & skf18("1","8","5","2","1","10","1") = "9"
    & skf18("1","8","5","2","2","1","1") = "7"
    & skf18("1","8","5","2","2","2","1") = "7"
    & skf18("1","8","5","2","2","3","1") = "7"
    & skf18("1","8","5","2","2","4","1") = "7"
    & skf18("1","8","5","2","2","5","1") = "7"
    & skf18("1","8","5","2","2","6","1") = "7"
    & skf18("1","8","5","2","2","7","1") = "7"
    & skf18("1","8","5","2","2","8","1") = "7"
    & skf18("1","8","5","2","2","9","1") = "8"
    & skf18("1","8","5","2","2","10","1") = "9"
    & skf18("1","8","5","2","3","1","1") = "7"
    & skf18("1","8","5","2","3","2","1") = "7"
    & skf18("1","8","5","2","3","3","1") = "7"
    & skf18("1","8","5","2","3","4","1") = "7"
    & skf18("1","8","5","2","3","5","1") = "7"
    & skf18("1","8","5","2","3","6","1") = "7"
    & skf18("1","8","5","2","3","7","1") = "7"
    & skf18("1","8","5","2","3","8","1") = "7"
    & skf18("1","8","5","2","3","9","1") = "8"
    & skf18("1","8","5","2","3","10","1") = "9"
    & skf18("1","8","5","2","4","1","1") = "7"
    & skf18("1","8","5","2","4","2","1") = "7"
    & skf18("1","8","5","2","4","3","1") = "7"
    & skf18("1","8","5","2","4","4","1") = "7"
    & skf18("1","8","5","2","4","5","1") = "7"
    & skf18("1","8","5","2","4","6","1") = "7"
    & skf18("1","8","5","2","4","7","1") = "7"
    & skf18("1","8","5","2","4","8","1") = "7"
    & skf18("1","8","5","2","4","9","1") = "8"
    & skf18("1","8","5","2","4","10","1") = "9"
    & skf18("1","8","5","2","5","1","1") = "7"
    & skf18("1","8","5","2","5","2","1") = "7"
    & skf18("1","8","5","2","5","3","1") = "7"
    & skf18("1","8","5","2","5","4","1") = "7"
    & skf18("1","8","5","2","5","5","1") = "7"
    & skf18("1","8","5","2","5","6","1") = "7"
    & skf18("1","8","5","2","5","7","1") = "7"
    & skf18("1","8","5","2","5","8","1") = "7"
    & skf18("1","8","5","2","5","9","1") = "8"
    & skf18("1","8","5","2","5","10","1") = "9"
    & skf18("1","8","5","2","6","1","1") = "7"
    & skf18("1","8","5","2","6","2","1") = "7"
    & skf18("1","8","5","2","6","3","1") = "7"
    & skf18("1","8","5","2","6","4","1") = "7"
    & skf18("1","8","5","2","6","5","1") = "7"
    & skf18("1","8","5","2","6","6","1") = "7"
    & skf18("1","8","5","2","6","7","1") = "7"
    & skf18("1","8","5","2","6","8","1") = "7"
    & skf18("1","8","5","2","6","9","1") = "8"
    & skf18("1","8","5","2","6","10","1") = "9"
    & skf18("1","8","5","2","7","1","1") = "7"
    & skf18("1","8","5","2","7","2","1") = "7"
    & skf18("1","8","5","2","7","3","1") = "7"
    & skf18("1","8","5","2","7","4","1") = "7"
    & skf18("1","8","5","2","7","5","1") = "7"
    & skf18("1","8","5","2","7","6","1") = "7"
    & skf18("1","8","5","2","7","7","1") = "7"
    & skf18("1","8","5","2","7","8","1") = "7"
    & skf18("1","8","5","2","7","9","1") = "8"
    & skf18("1","8","5","2","7","10","1") = "9"
    & skf18("1","8","5","2","8","1","1") = "7"
    & skf18("1","8","5","2","8","2","1") = "7"
    & skf18("1","8","5","2","8","3","1") = "7"
    & skf18("1","8","5","2","8","4","1") = "7"
    & skf18("1","8","5","2","8","5","1") = "7"
    & skf18("1","8","5","2","8","6","1") = "7"
    & skf18("1","8","5","2","8","7","1") = "7"
    & skf18("1","8","5","2","8","8","1") = "7"
    & skf18("1","8","5","2","8","9","1") = "8"
    & skf18("1","8","5","2","8","10","1") = "9"
    & skf18("1","8","5","2","9","1","1") = "8"
    & skf18("1","8","5","2","9","2","1") = "8"
    & skf18("1","8","5","2","9","3","1") = "8"
    & skf18("1","8","5","2","9","4","1") = "8"
    & skf18("1","8","5","2","9","5","1") = "8"
    & skf18("1","8","5","2","9","6","1") = "8"
    & skf18("1","8","5","2","9","7","1") = "8"
    & skf18("1","8","5","2","9","8","1") = "8"
    & skf18("1","8","5","2","9","9","1") = "8"
    & skf18("1","8","5","2","9","10","1") = "9"
    & skf18("1","8","5","2","10","1","1") = "9"
    & skf18("1","8","5","2","10","2","1") = "9"
    & skf18("1","8","5","2","10","3","1") = "9"
    & skf18("1","8","5","2","10","4","1") = "9"
    & skf18("1","8","5","2","10","5","1") = "9"
    & skf18("1","8","5","2","10","6","1") = "9"
    & skf18("1","8","5","2","10","7","1") = "9"
    & skf18("1","8","5","2","10","8","1") = "9"
    & skf18("1","8","5","2","10","9","1") = "9"
    & skf18("1","8","5","2","10","10","1") = "9"
    & skf18("1","8","5","3","1","1","1") = "7"
    & skf18("1","8","5","3","1","2","1") = "7"
    & skf18("1","8","5","3","1","3","1") = "7"
    & skf18("1","8","5","3","1","4","1") = "7"
    & skf18("1","8","5","3","1","5","1") = "7"
    & skf18("1","8","5","3","1","6","1") = "7"
    & skf18("1","8","5","3","1","7","1") = "7"
    & skf18("1","8","5","3","1","8","1") = "7"
    & skf18("1","8","5","3","1","9","1") = "8"
    & skf18("1","8","5","3","1","10","1") = "9"
    & skf18("1","8","5","3","2","1","1") = "7"
    & skf18("1","8","5","3","2","2","1") = "7"
    & skf18("1","8","5","3","2","3","1") = "7"
    & skf18("1","8","5","3","2","4","1") = "7"
    & skf18("1","8","5","3","2","5","1") = "7"
    & skf18("1","8","5","3","2","6","1") = "7"
    & skf18("1","8","5","3","2","7","1") = "7"
    & skf18("1","8","5","3","2","8","1") = "7"
    & skf18("1","8","5","3","2","9","1") = "8"
    & skf18("1","8","5","3","2","10","1") = "9"
    & skf18("1","8","5","3","3","1","1") = "7"
    & skf18("1","8","5","3","3","2","1") = "7"
    & skf18("1","8","5","3","3","3","1") = "7"
    & skf18("1","8","5","3","3","4","1") = "7"
    & skf18("1","8","5","3","3","5","1") = "7"
    & skf18("1","8","5","3","3","6","1") = "7"
    & skf18("1","8","5","3","3","7","1") = "7"
    & skf18("1","8","5","3","3","8","1") = "7"
    & skf18("1","8","5","3","3","9","1") = "8"
    & skf18("1","8","5","3","3","10","1") = "9"
    & skf18("1","8","5","3","4","1","1") = "7"
    & skf18("1","8","5","3","4","2","1") = "7"
    & skf18("1","8","5","3","4","3","1") = "7"
    & skf18("1","8","5","3","4","4","1") = "7"
    & skf18("1","8","5","3","4","5","1") = "7"
    & skf18("1","8","5","3","4","6","1") = "7"
    & skf18("1","8","5","3","4","7","1") = "7"
    & skf18("1","8","5","3","4","8","1") = "7"
    & skf18("1","8","5","3","4","9","1") = "8"
    & skf18("1","8","5","3","4","10","1") = "9"
    & skf18("1","8","5","3","5","1","1") = "7"
    & skf18("1","8","5","3","5","2","1") = "7"
    & skf18("1","8","5","3","5","3","1") = "7"
    & skf18("1","8","5","3","5","4","1") = "7"
    & skf18("1","8","5","3","5","5","1") = "7"
    & skf18("1","8","5","3","5","6","1") = "7"
    & skf18("1","8","5","3","5","7","1") = "7"
    & skf18("1","8","5","3","5","8","1") = "7"
    & skf18("1","8","5","3","5","9","1") = "8"
    & skf18("1","8","5","3","5","10","1") = "9"
    & skf18("1","8","5","3","6","1","1") = "7"
    & skf18("1","8","5","3","6","2","1") = "7"
    & skf18("1","8","5","3","6","3","1") = "7"
    & skf18("1","8","5","3","6","4","1") = "7"
    & skf18("1","8","5","3","6","5","1") = "7"
    & skf18("1","8","5","3","6","6","1") = "7"
    & skf18("1","8","5","3","6","7","1") = "7"
    & skf18("1","8","5","3","6","8","1") = "7"
    & skf18("1","8","5","3","6","9","1") = "8"
    & skf18("1","8","5","3","6","10","1") = "9"
    & skf18("1","8","5","3","7","1","1") = "7"
    & skf18("1","8","5","3","7","2","1") = "7"
    & skf18("1","8","5","3","7","3","1") = "7"
    & skf18("1","8","5","3","7","4","1") = "7"
    & skf18("1","8","5","3","7","5","1") = "7"
    & skf18("1","8","5","3","7","6","1") = "7"
    & skf18("1","8","5","3","7","7","1") = "7"
    & skf18("1","8","5","3","7","8","1") = "7"
    & skf18("1","8","5","3","7","9","1") = "8"
    & skf18("1","8","5","3","7","10","1") = "9"
    & skf18("1","8","5","3","8","1","1") = "7"
    & skf18("1","8","5","3","8","2","1") = "7"
    & skf18("1","8","5","3","8","3","1") = "7"
    & skf18("1","8","5","3","8","4","1") = "7"
    & skf18("1","8","5","3","8","5","1") = "7"
    & skf18("1","8","5","3","8","6","1") = "7"
    & skf18("1","8","5","3","8","7","1") = "7"
    & skf18("1","8","5","3","8","8","1") = "7"
    & skf18("1","8","5","3","8","9","1") = "8"
    & skf18("1","8","5","3","8","10","1") = "9"
    & skf18("1","8","5","3","9","1","1") = "8"
    & skf18("1","8","5","3","9","2","1") = "8"
    & skf18("1","8","5","3","9","3","1") = "8"
    & skf18("1","8","5","3","9","4","1") = "8"
    & skf18("1","8","5","3","9","5","1") = "8"
    & skf18("1","8","5","3","9","6","1") = "8"
    & skf18("1","8","5","3","9","7","1") = "8"
    & skf18("1","8","5","3","9","8","1") = "8"
    & skf18("1","8","5","3","9","9","1") = "8"
    & skf18("1","8","5","3","9","10","1") = "9"
    & skf18("1","8","5","3","10","1","1") = "9"
    & skf18("1","8","5","3","10","2","1") = "9"
    & skf18("1","8","5","3","10","3","1") = "9"
    & skf18("1","8","5","3","10","4","1") = "9"
    & skf18("1","8","5","3","10","5","1") = "9"
    & skf18("1","8","5","3","10","6","1") = "9"
    & skf18("1","8","5","3","10","7","1") = "9"
    & skf18("1","8","5","3","10","8","1") = "9"
    & skf18("1","8","5","3","10","9","1") = "9"
    & skf18("1","8","5","3","10","10","1") = "9"
    & skf18("1","8","5","4","1","1","1") = "7"
    & skf18("1","8","5","4","1","2","1") = "7"
    & skf18("1","8","5","4","1","3","1") = "7"
    & skf18("1","8","5","4","1","4","1") = "7"
    & skf18("1","8","5","4","1","5","1") = "7"
    & skf18("1","8","5","4","1","6","1") = "7"
    & skf18("1","8","5","4","1","7","1") = "7"
    & skf18("1","8","5","4","1","8","1") = "7"
    & skf18("1","8","5","4","1","9","1") = "8"
    & skf18("1","8","5","4","1","10","1") = "9"
    & skf18("1","8","5","4","2","1","1") = "7"
    & skf18("1","8","5","4","2","2","1") = "7"
    & skf18("1","8","5","4","2","3","1") = "7"
    & skf18("1","8","5","4","2","4","1") = "7"
    & skf18("1","8","5","4","2","5","1") = "7"
    & skf18("1","8","5","4","2","6","1") = "7"
    & skf18("1","8","5","4","2","7","1") = "7"
    & skf18("1","8","5","4","2","8","1") = "7"
    & skf18("1","8","5","4","2","9","1") = "8"
    & skf18("1","8","5","4","2","10","1") = "9"
    & skf18("1","8","5","4","3","1","1") = "7"
    & skf18("1","8","5","4","3","2","1") = "7"
    & skf18("1","8","5","4","3","3","1") = "7"
    & skf18("1","8","5","4","3","4","1") = "7"
    & skf18("1","8","5","4","3","5","1") = "7"
    & skf18("1","8","5","4","3","6","1") = "7"
    & skf18("1","8","5","4","3","7","1") = "7"
    & skf18("1","8","5","4","3","8","1") = "7"
    & skf18("1","8","5","4","3","9","1") = "8"
    & skf18("1","8","5","4","3","10","1") = "9"
    & skf18("1","8","5","4","4","1","1") = "7"
    & skf18("1","8","5","4","4","2","1") = "7"
    & skf18("1","8","5","4","4","3","1") = "7"
    & skf18("1","8","5","4","4","4","1") = "7"
    & skf18("1","8","5","4","4","5","1") = "7"
    & skf18("1","8","5","4","4","6","1") = "7"
    & skf18("1","8","5","4","4","7","1") = "7"
    & skf18("1","8","5","4","4","8","1") = "7"
    & skf18("1","8","5","4","4","9","1") = "8"
    & skf18("1","8","5","4","4","10","1") = "9"
    & skf18("1","8","5","4","5","1","1") = "7"
    & skf18("1","8","5","4","5","2","1") = "7"
    & skf18("1","8","5","4","5","3","1") = "7"
    & skf18("1","8","5","4","5","4","1") = "7"
    & skf18("1","8","5","4","5","5","1") = "7"
    & skf18("1","8","5","4","5","6","1") = "7"
    & skf18("1","8","5","4","5","7","1") = "7"
    & skf18("1","8","5","4","5","8","1") = "7"
    & skf18("1","8","5","4","5","9","1") = "8"
    & skf18("1","8","5","4","5","10","1") = "9"
    & skf18("1","8","5","4","6","1","1") = "7"
    & skf18("1","8","5","4","6","2","1") = "7"
    & skf18("1","8","5","4","6","3","1") = "7"
    & skf18("1","8","5","4","6","4","1") = "7"
    & skf18("1","8","5","4","6","5","1") = "7"
    & skf18("1","8","5","4","6","6","1") = "7"
    & skf18("1","8","5","4","6","7","1") = "7"
    & skf18("1","8","5","4","6","8","1") = "7"
    & skf18("1","8","5","4","6","9","1") = "8"
    & skf18("1","8","5","4","6","10","1") = "9"
    & skf18("1","8","5","4","7","1","1") = "7"
    & skf18("1","8","5","4","7","2","1") = "7"
    & skf18("1","8","5","4","7","3","1") = "7"
    & skf18("1","8","5","4","7","4","1") = "7"
    & skf18("1","8","5","4","7","5","1") = "7"
    & skf18("1","8","5","4","7","6","1") = "7"
    & skf18("1","8","5","4","7","7","1") = "7"
    & skf18("1","8","5","4","7","8","1") = "7"
    & skf18("1","8","5","4","7","9","1") = "8"
    & skf18("1","8","5","4","7","10","1") = "9"
    & skf18("1","8","5","4","8","1","1") = "7"
    & skf18("1","8","5","4","8","2","1") = "7"
    & skf18("1","8","5","4","8","3","1") = "7"
    & skf18("1","8","5","4","8","4","1") = "7"
    & skf18("1","8","5","4","8","5","1") = "7"
    & skf18("1","8","5","4","8","6","1") = "7"
    & skf18("1","8","5","4","8","7","1") = "7"
    & skf18("1","8","5","4","8","8","1") = "7"
    & skf18("1","8","5","4","8","9","1") = "8"
    & skf18("1","8","5","4","8","10","1") = "9"
    & skf18("1","8","5","4","9","1","1") = "8"
    & skf18("1","8","5","4","9","2","1") = "8"
    & skf18("1","8","5","4","9","3","1") = "8"
    & skf18("1","8","5","4","9","4","1") = "8"
    & skf18("1","8","5","4","9","5","1") = "8"
    & skf18("1","8","5","4","9","6","1") = "8"
    & skf18("1","8","5","4","9","7","1") = "8"
    & skf18("1","8","5","4","9","8","1") = "8"
    & skf18("1","8","5","4","9","9","1") = "8"
    & skf18("1","8","5","4","9","10","1") = "9"
    & skf18("1","8","5","4","10","1","1") = "9"
    & skf18("1","8","5","4","10","2","1") = "9"
    & skf18("1","8","5","4","10","3","1") = "9"
    & skf18("1","8","5","4","10","4","1") = "9"
    & skf18("1","8","5","4","10","5","1") = "9"
    & skf18("1","8","5","4","10","6","1") = "9"
    & skf18("1","8","5","4","10","7","1") = "9"
    & skf18("1","8","5","4","10","8","1") = "9"
    & skf18("1","8","5","4","10","9","1") = "9"
    & skf18("1","8","5","4","10","10","1") = "9"
    & skf18("1","8","5","5","1","1","1") = "7"
    & skf18("1","8","5","5","1","2","1") = "7"
    & skf18("1","8","5","5","1","3","1") = "7"
    & skf18("1","8","5","5","1","4","1") = "7"
    & skf18("1","8","5","5","1","5","1") = "7"
    & skf18("1","8","5","5","1","6","1") = "7"
    & skf18("1","8","5","5","1","7","1") = "7"
    & skf18("1","8","5","5","1","8","1") = "7"
    & skf18("1","8","5","5","1","9","1") = "8"
    & skf18("1","8","5","5","1","10","1") = "9"
    & skf18("1","8","5","5","2","1","1") = "7"
    & skf18("1","8","5","5","2","2","1") = "7"
    & skf18("1","8","5","5","2","3","1") = "7"
    & skf18("1","8","5","5","2","4","1") = "7"
    & skf18("1","8","5","5","2","5","1") = "7"
    & skf18("1","8","5","5","2","6","1") = "7"
    & skf18("1","8","5","5","2","7","1") = "7"
    & skf18("1","8","5","5","2","8","1") = "7"
    & skf18("1","8","5","5","2","9","1") = "8"
    & skf18("1","8","5","5","2","10","1") = "9"
    & skf18("1","8","5","5","3","1","1") = "7"
    & skf18("1","8","5","5","3","2","1") = "7"
    & skf18("1","8","5","5","3","3","1") = "7"
    & skf18("1","8","5","5","3","4","1") = "7"
    & skf18("1","8","5","5","3","5","1") = "7"
    & skf18("1","8","5","5","3","6","1") = "7"
    & skf18("1","8","5","5","3","7","1") = "7"
    & skf18("1","8","5","5","3","8","1") = "7"
    & skf18("1","8","5","5","3","9","1") = "8"
    & skf18("1","8","5","5","3","10","1") = "9"
    & skf18("1","8","5","5","4","1","1") = "7"
    & skf18("1","8","5","5","4","2","1") = "7"
    & skf18("1","8","5","5","4","3","1") = "7"
    & skf18("1","8","5","5","4","4","1") = "7"
    & skf18("1","8","5","5","4","5","1") = "7"
    & skf18("1","8","5","5","4","6","1") = "7"
    & skf18("1","8","5","5","4","7","1") = "7"
    & skf18("1","8","5","5","4","8","1") = "7"
    & skf18("1","8","5","5","4","9","1") = "8"
    & skf18("1","8","5","5","4","10","1") = "9"
    & skf18("1","8","5","5","5","1","1") = "7"
    & skf18("1","8","5","5","5","2","1") = "7"
    & skf18("1","8","5","5","5","3","1") = "7"
    & skf18("1","8","5","5","5","4","1") = "7"
    & skf18("1","8","5","5","5","5","1") = "7"
    & skf18("1","8","5","5","5","6","1") = "7"
    & skf18("1","8","5","5","5","7","1") = "7"
    & skf18("1","8","5","5","5","8","1") = "7"
    & skf18("1","8","5","5","5","9","1") = "8"
    & skf18("1","8","5","5","5","10","1") = "9"
    & skf18("1","8","5","5","6","1","1") = "7"
    & skf18("1","8","5","5","6","2","1") = "7"
    & skf18("1","8","5","5","6","3","1") = "7"
    & skf18("1","8","5","5","6","4","1") = "7"
    & skf18("1","8","5","5","6","5","1") = "7"
    & skf18("1","8","5","5","6","6","1") = "7"
    & skf18("1","8","5","5","6","7","1") = "7"
    & skf18("1","8","5","5","6","8","1") = "7"
    & skf18("1","8","5","5","6","9","1") = "8"
    & skf18("1","8","5","5","6","10","1") = "9"
    & skf18("1","8","5","5","7","1","1") = "7"
    & skf18("1","8","5","5","7","2","1") = "7"
    & skf18("1","8","5","5","7","3","1") = "7"
    & skf18("1","8","5","5","7","4","1") = "7"
    & skf18("1","8","5","5","7","5","1") = "7"
    & skf18("1","8","5","5","7","6","1") = "7"
    & skf18("1","8","5","5","7","7","1") = "7"
    & skf18("1","8","5","5","7","8","1") = "7"
    & skf18("1","8","5","5","7","9","1") = "8"
    & skf18("1","8","5","5","7","10","1") = "9"
    & skf18("1","8","5","5","8","1","1") = "7"
    & skf18("1","8","5","5","8","2","1") = "7"
    & skf18("1","8","5","5","8","3","1") = "7"
    & skf18("1","8","5","5","8","4","1") = "7"
    & skf18("1","8","5","5","8","5","1") = "7"
    & skf18("1","8","5","5","8","6","1") = "7"
    & skf18("1","8","5","5","8","7","1") = "7"
    & skf18("1","8","5","5","8","8","1") = "7"
    & skf18("1","8","5","5","8","9","1") = "8"
    & skf18("1","8","5","5","8","10","1") = "9"
    & skf18("1","8","5","5","9","1","1") = "8"
    & skf18("1","8","5","5","9","2","1") = "8"
    & skf18("1","8","5","5","9","3","1") = "8"
    & skf18("1","8","5","5","9","4","1") = "8"
    & skf18("1","8","5","5","9","5","1") = "8"
    & skf18("1","8","5","5","9","6","1") = "8"
    & skf18("1","8","5","5","9","7","1") = "8"
    & skf18("1","8","5","5","9","8","1") = "8"
    & skf18("1","8","5","5","9","9","1") = "8"
    & skf18("1","8","5","5","9","10","1") = "9"
    & skf18("1","8","5","5","10","1","1") = "9"
    & skf18("1","8","5","5","10","2","1") = "9"
    & skf18("1","8","5","5","10","3","1") = "9"
    & skf18("1","8","5","5","10","4","1") = "9"
    & skf18("1","8","5","5","10","5","1") = "9"
    & skf18("1","8","5","5","10","6","1") = "9"
    & skf18("1","8","5","5","10","7","1") = "9"
    & skf18("1","8","5","5","10","8","1") = "9"
    & skf18("1","8","5","5","10","9","1") = "9"
    & skf18("1","8","5","5","10","10","1") = "9"
    & skf18("1","8","5","6","1","1","1") = "7"
    & skf18("1","8","5","6","1","2","1") = "7"
    & skf18("1","8","5","6","1","3","1") = "7"
    & skf18("1","8","5","6","1","4","1") = "7"
    & skf18("1","8","5","6","1","5","1") = "7"
    & skf18("1","8","5","6","1","6","1") = "7"
    & skf18("1","8","5","6","1","7","1") = "7"
    & skf18("1","8","5","6","1","8","1") = "7"
    & skf18("1","8","5","6","1","9","1") = "8"
    & skf18("1","8","5","6","1","10","1") = "9"
    & skf18("1","8","5","6","2","1","1") = "7"
    & skf18("1","8","5","6","2","2","1") = "7"
    & skf18("1","8","5","6","2","3","1") = "7"
    & skf18("1","8","5","6","2","4","1") = "7"
    & skf18("1","8","5","6","2","5","1") = "7"
    & skf18("1","8","5","6","2","6","1") = "7"
    & skf18("1","8","5","6","2","7","1") = "7"
    & skf18("1","8","5","6","2","8","1") = "7"
    & skf18("1","8","5","6","2","9","1") = "8"
    & skf18("1","8","5","6","2","10","1") = "9"
    & skf18("1","8","5","6","3","1","1") = "7"
    & skf18("1","8","5","6","3","2","1") = "7"
    & skf18("1","8","5","6","3","3","1") = "7"
    & skf18("1","8","5","6","3","4","1") = "7"
    & skf18("1","8","5","6","3","5","1") = "7"
    & skf18("1","8","5","6","3","6","1") = "7"
    & skf18("1","8","5","6","3","7","1") = "7"
    & skf18("1","8","5","6","3","8","1") = "7"
    & skf18("1","8","5","6","3","9","1") = "8"
    & skf18("1","8","5","6","3","10","1") = "9"
    & skf18("1","8","5","6","4","1","1") = "7"
    & skf18("1","8","5","6","4","2","1") = "7"
    & skf18("1","8","5","6","4","3","1") = "7"
    & skf18("1","8","5","6","4","4","1") = "7"
    & skf18("1","8","5","6","4","5","1") = "7"
    & skf18("1","8","5","6","4","6","1") = "7"
    & skf18("1","8","5","6","4","7","1") = "7"
    & skf18("1","8","5","6","4","8","1") = "7"
    & skf18("1","8","5","6","4","9","1") = "8"
    & skf18("1","8","5","6","4","10","1") = "9"
    & skf18("1","8","5","6","5","1","1") = "7"
    & skf18("1","8","5","6","5","2","1") = "7"
    & skf18("1","8","5","6","5","3","1") = "7"
    & skf18("1","8","5","6","5","4","1") = "7"
    & skf18("1","8","5","6","5","5","1") = "7"
    & skf18("1","8","5","6","5","6","1") = "7"
    & skf18("1","8","5","6","5","7","1") = "7"
    & skf18("1","8","5","6","5","8","1") = "7"
    & skf18("1","8","5","6","5","9","1") = "8"
    & skf18("1","8","5","6","5","10","1") = "9"
    & skf18("1","8","5","6","6","1","1") = "7"
    & skf18("1","8","5","6","6","2","1") = "7"
    & skf18("1","8","5","6","6","3","1") = "7"
    & skf18("1","8","5","6","6","4","1") = "7"
    & skf18("1","8","5","6","6","5","1") = "7"
    & skf18("1","8","5","6","6","6","1") = "7"
    & skf18("1","8","5","6","6","7","1") = "7"
    & skf18("1","8","5","6","6","8","1") = "7"
    & skf18("1","8","5","6","6","9","1") = "8"
    & skf18("1","8","5","6","6","10","1") = "9"
    & skf18("1","8","5","6","7","1","1") = "7"
    & skf18("1","8","5","6","7","2","1") = "7"
    & skf18("1","8","5","6","7","3","1") = "7"
    & skf18("1","8","5","6","7","4","1") = "7"
    & skf18("1","8","5","6","7","5","1") = "7"
    & skf18("1","8","5","6","7","6","1") = "7"
    & skf18("1","8","5","6","7","7","1") = "7"
    & skf18("1","8","5","6","7","8","1") = "7"
    & skf18("1","8","5","6","7","9","1") = "8"
    & skf18("1","8","5","6","7","10","1") = "9"
    & skf18("1","8","5","6","8","1","1") = "7"
    & skf18("1","8","5","6","8","2","1") = "7"
    & skf18("1","8","5","6","8","3","1") = "7"
    & skf18("1","8","5","6","8","4","1") = "7"
    & skf18("1","8","5","6","8","5","1") = "7"
    & skf18("1","8","5","6","8","6","1") = "7"
    & skf18("1","8","5","6","8","7","1") = "7"
    & skf18("1","8","5","6","8","8","1") = "7"
    & skf18("1","8","5","6","8","9","1") = "8"
    & skf18("1","8","5","6","8","10","1") = "9"
    & skf18("1","8","5","6","9","1","1") = "8"
    & skf18("1","8","5","6","9","2","1") = "8"
    & skf18("1","8","5","6","9","3","1") = "8"
    & skf18("1","8","5","6","9","4","1") = "8"
    & skf18("1","8","5","6","9","5","1") = "8"
    & skf18("1","8","5","6","9","6","1") = "8"
    & skf18("1","8","5","6","9","7","1") = "8"
    & skf18("1","8","5","6","9","8","1") = "8"
    & skf18("1","8","5","6","9","9","1") = "8"
    & skf18("1","8","5","6","9","10","1") = "9"
    & skf18("1","8","5","6","10","1","1") = "9"
    & skf18("1","8","5","6","10","2","1") = "9"
    & skf18("1","8","5","6","10","3","1") = "9"
    & skf18("1","8","5","6","10","4","1") = "9"
    & skf18("1","8","5","6","10","5","1") = "9"
    & skf18("1","8","5","6","10","6","1") = "9"
    & skf18("1","8","5","6","10","7","1") = "9"
    & skf18("1","8","5","6","10","8","1") = "9"
    & skf18("1","8","5","6","10","9","1") = "9"
    & skf18("1","8","5","6","10","10","1") = "9"
    & skf18("1","8","5","7","1","1","1") = "7"
    & skf18("1","8","5","7","1","2","1") = "7"
    & skf18("1","8","5","7","1","3","1") = "7"
    & skf18("1","8","5","7","1","4","1") = "7"
    & skf18("1","8","5","7","1","5","1") = "7"
    & skf18("1","8","5","7","1","6","1") = "7"
    & skf18("1","8","5","7","1","7","1") = "7"
    & skf18("1","8","5","7","1","8","1") = "7"
    & skf18("1","8","5","7","1","9","1") = "8"
    & skf18("1","8","5","7","1","10","1") = "9"
    & skf18("1","8","5","7","2","1","1") = "7"
    & skf18("1","8","5","7","2","2","1") = "7"
    & skf18("1","8","5","7","2","3","1") = "7"
    & skf18("1","8","5","7","2","4","1") = "7"
    & skf18("1","8","5","7","2","5","1") = "7"
    & skf18("1","8","5","7","2","6","1") = "7"
    & skf18("1","8","5","7","2","7","1") = "7"
    & skf18("1","8","5","7","2","8","1") = "7"
    & skf18("1","8","5","7","2","9","1") = "8"
    & skf18("1","8","5","7","2","10","1") = "9"
    & skf18("1","8","5","7","3","1","1") = "7"
    & skf18("1","8","5","7","3","2","1") = "7"
    & skf18("1","8","5","7","3","3","1") = "7"
    & skf18("1","8","5","7","3","4","1") = "7"
    & skf18("1","8","5","7","3","5","1") = "7"
    & skf18("1","8","5","7","3","6","1") = "7"
    & skf18("1","8","5","7","3","7","1") = "7"
    & skf18("1","8","5","7","3","8","1") = "7"
    & skf18("1","8","5","7","3","9","1") = "8"
    & skf18("1","8","5","7","3","10","1") = "9"
    & skf18("1","8","5","7","4","1","1") = "7"
    & skf18("1","8","5","7","4","2","1") = "7"
    & skf18("1","8","5","7","4","3","1") = "7"
    & skf18("1","8","5","7","4","4","1") = "7"
    & skf18("1","8","5","7","4","5","1") = "7"
    & skf18("1","8","5","7","4","6","1") = "7"
    & skf18("1","8","5","7","4","7","1") = "7"
    & skf18("1","8","5","7","4","8","1") = "7"
    & skf18("1","8","5","7","4","9","1") = "8"
    & skf18("1","8","5","7","4","10","1") = "9"
    & skf18("1","8","5","7","5","1","1") = "7"
    & skf18("1","8","5","7","5","2","1") = "7"
    & skf18("1","8","5","7","5","3","1") = "7"
    & skf18("1","8","5","7","5","4","1") = "7"
    & skf18("1","8","5","7","5","5","1") = "7"
    & skf18("1","8","5","7","5","6","1") = "7"
    & skf18("1","8","5","7","5","7","1") = "7"
    & skf18("1","8","5","7","5","8","1") = "7"
    & skf18("1","8","5","7","5","9","1") = "8"
    & skf18("1","8","5","7","5","10","1") = "9"
    & skf18("1","8","5","7","6","1","1") = "7"
    & skf18("1","8","5","7","6","2","1") = "7"
    & skf18("1","8","5","7","6","3","1") = "7"
    & skf18("1","8","5","7","6","4","1") = "7"
    & skf18("1","8","5","7","6","5","1") = "7"
    & skf18("1","8","5","7","6","6","1") = "7"
    & skf18("1","8","5","7","6","7","1") = "7"
    & skf18("1","8","5","7","6","8","1") = "7"
    & skf18("1","8","5","7","6","9","1") = "8"
    & skf18("1","8","5","7","6","10","1") = "9"
    & skf18("1","8","5","7","7","1","1") = "7"
    & skf18("1","8","5","7","7","2","1") = "7"
    & skf18("1","8","5","7","7","3","1") = "7"
    & skf18("1","8","5","7","7","4","1") = "7"
    & skf18("1","8","5","7","7","5","1") = "7"
    & skf18("1","8","5","7","7","6","1") = "7"
    & skf18("1","8","5","7","7","7","1") = "7"
    & skf18("1","8","5","7","7","8","1") = "7"
    & skf18("1","8","5","7","7","9","1") = "8"
    & skf18("1","8","5","7","7","10","1") = "9"
    & skf18("1","8","5","7","8","1","1") = "7"
    & skf18("1","8","5","7","8","2","1") = "7"
    & skf18("1","8","5","7","8","3","1") = "7"
    & skf18("1","8","5","7","8","4","1") = "7"
    & skf18("1","8","5","7","8","5","1") = "7"
    & skf18("1","8","5","7","8","6","1") = "7"
    & skf18("1","8","5","7","8","7","1") = "7"
    & skf18("1","8","5","7","8","8","1") = "7"
    & skf18("1","8","5","7","8","9","1") = "8"
    & skf18("1","8","5","7","8","10","1") = "9"
    & skf18("1","8","5","7","9","1","1") = "8"
    & skf18("1","8","5","7","9","2","1") = "8"
    & skf18("1","8","5","7","9","3","1") = "8"
    & skf18("1","8","5","7","9","4","1") = "8"
    & skf18("1","8","5","7","9","5","1") = "8"
    & skf18("1","8","5","7","9","6","1") = "8"
    & skf18("1","8","5","7","9","7","1") = "8"
    & skf18("1","8","5","7","9","8","1") = "8"
    & skf18("1","8","5","7","9","9","1") = "8"
    & skf18("1","8","5","7","9","10","1") = "9"
    & skf18("1","8","5","7","10","1","1") = "9"
    & skf18("1","8","5","7","10","2","1") = "9"
    & skf18("1","8","5","7","10","3","1") = "9"
    & skf18("1","8","5","7","10","4","1") = "9"
    & skf18("1","8","5","7","10","5","1") = "9"
    & skf18("1","8","5","7","10","6","1") = "9"
    & skf18("1","8","5","7","10","7","1") = "9"
    & skf18("1","8","5","7","10","8","1") = "9"
    & skf18("1","8","5","7","10","9","1") = "9"
    & skf18("1","8","5","7","10","10","1") = "9"
    & skf18("1","8","5","8","1","1","1") = "7"
    & skf18("1","8","5","8","1","2","1") = "7"
    & skf18("1","8","5","8","1","3","1") = "7"
    & skf18("1","8","5","8","1","4","1") = "7"
    & skf18("1","8","5","8","1","5","1") = "7"
    & skf18("1","8","5","8","1","6","1") = "7"
    & skf18("1","8","5","8","1","7","1") = "7"
    & skf18("1","8","5","8","1","8","1") = "7"
    & skf18("1","8","5","8","1","9","1") = "8"
    & skf18("1","8","5","8","1","10","1") = "9"
    & skf18("1","8","5","8","2","1","1") = "7"
    & skf18("1","8","5","8","2","2","1") = "7"
    & skf18("1","8","5","8","2","3","1") = "7"
    & skf18("1","8","5","8","2","4","1") = "7"
    & skf18("1","8","5","8","2","5","1") = "7"
    & skf18("1","8","5","8","2","6","1") = "7"
    & skf18("1","8","5","8","2","7","1") = "7"
    & skf18("1","8","5","8","2","8","1") = "7"
    & skf18("1","8","5","8","2","9","1") = "8"
    & skf18("1","8","5","8","2","10","1") = "9"
    & skf18("1","8","5","8","3","1","1") = "7"
    & skf18("1","8","5","8","3","2","1") = "7"
    & skf18("1","8","5","8","3","3","1") = "7"
    & skf18("1","8","5","8","3","4","1") = "7"
    & skf18("1","8","5","8","3","5","1") = "7"
    & skf18("1","8","5","8","3","6","1") = "7"
    & skf18("1","8","5","8","3","7","1") = "7"
    & skf18("1","8","5","8","3","8","1") = "7"
    & skf18("1","8","5","8","3","9","1") = "8"
    & skf18("1","8","5","8","3","10","1") = "9"
    & skf18("1","8","5","8","4","1","1") = "7"
    & skf18("1","8","5","8","4","2","1") = "7"
    & skf18("1","8","5","8","4","3","1") = "7"
    & skf18("1","8","5","8","4","4","1") = "7"
    & skf18("1","8","5","8","4","5","1") = "7"
    & skf18("1","8","5","8","4","6","1") = "7"
    & skf18("1","8","5","8","4","7","1") = "7"
    & skf18("1","8","5","8","4","8","1") = "7"
    & skf18("1","8","5","8","4","9","1") = "8"
    & skf18("1","8","5","8","4","10","1") = "9"
    & skf18("1","8","5","8","5","1","1") = "7"
    & skf18("1","8","5","8","5","2","1") = "7"
    & skf18("1","8","5","8","5","3","1") = "7"
    & skf18("1","8","5","8","5","4","1") = "7"
    & skf18("1","8","5","8","5","5","1") = "7"
    & skf18("1","8","5","8","5","6","1") = "7"
    & skf18("1","8","5","8","5","7","1") = "7"
    & skf18("1","8","5","8","5","8","1") = "7"
    & skf18("1","8","5","8","5","9","1") = "8"
    & skf18("1","8","5","8","5","10","1") = "9"
    & skf18("1","8","5","8","6","1","1") = "7"
    & skf18("1","8","5","8","6","2","1") = "7"
    & skf18("1","8","5","8","6","3","1") = "7"
    & skf18("1","8","5","8","6","4","1") = "7"
    & skf18("1","8","5","8","6","5","1") = "7"
    & skf18("1","8","5","8","6","6","1") = "7"
    & skf18("1","8","5","8","6","7","1") = "7"
    & skf18("1","8","5","8","6","8","1") = "7"
    & skf18("1","8","5","8","6","9","1") = "8"
    & skf18("1","8","5","8","6","10","1") = "9"
    & skf18("1","8","5","8","7","1","1") = "7"
    & skf18("1","8","5","8","7","2","1") = "7"
    & skf18("1","8","5","8","7","3","1") = "7"
    & skf18("1","8","5","8","7","4","1") = "7"
    & skf18("1","8","5","8","7","5","1") = "7"
    & skf18("1","8","5","8","7","6","1") = "7"
    & skf18("1","8","5","8","7","7","1") = "7"
    & skf18("1","8","5","8","7","8","1") = "7"
    & skf18("1","8","5","8","7","9","1") = "8"
    & skf18("1","8","5","8","7","10","1") = "9"
    & skf18("1","8","5","8","8","1","1") = "7"
    & skf18("1","8","5","8","8","2","1") = "7"
    & skf18("1","8","5","8","8","3","1") = "7"
    & skf18("1","8","5","8","8","4","1") = "7"
    & skf18("1","8","5","8","8","5","1") = "7"
    & skf18("1","8","5","8","8","6","1") = "7"
    & skf18("1","8","5","8","8","7","1") = "7"
    & skf18("1","8","5","8","8","8","1") = "7"
    & skf18("1","8","5","8","8","9","1") = "8"
    & skf18("1","8","5","8","8","10","1") = "9"
    & skf18("1","8","5","8","9","1","1") = "8"
    & skf18("1","8","5","8","9","2","1") = "8"
    & skf18("1","8","5","8","9","3","1") = "8"
    & skf18("1","8","5","8","9","4","1") = "8"
    & skf18("1","8","5","8","9","5","1") = "8"
    & skf18("1","8","5","8","9","6","1") = "8"
    & skf18("1","8","5","8","9","7","1") = "8"
    & skf18("1","8","5","8","9","8","1") = "8"
    & skf18("1","8","5","8","9","9","1") = "8"
    & skf18("1","8","5","8","9","10","1") = "9"
    & skf18("1","8","5","8","10","1","1") = "9"
    & skf18("1","8","5","8","10","2","1") = "9"
    & skf18("1","8","5","8","10","3","1") = "9"
    & skf18("1","8","5","8","10","4","1") = "9"
    & skf18("1","8","5","8","10","5","1") = "9"
    & skf18("1","8","5","8","10","6","1") = "9"
    & skf18("1","8","5","8","10","7","1") = "9"
    & skf18("1","8","5","8","10","8","1") = "9"
    & skf18("1","8","5","8","10","9","1") = "9"
    & skf18("1","8","5","8","10","10","1") = "9"
    & skf18("1","8","5","9","1","1","1") = "8"
    & skf18("1","8","5","9","1","2","1") = "8"
    & skf18("1","8","5","9","1","3","1") = "8"
    & skf18("1","8","5","9","1","4","1") = "8"
    & skf18("1","8","5","9","1","5","1") = "8"
    & skf18("1","8","5","9","1","6","1") = "8"
    & skf18("1","8","5","9","1","7","1") = "8"
    & skf18("1","8","5","9","1","8","1") = "8"
    & skf18("1","8","5","9","1","9","1") = "8"
    & skf18("1","8","5","9","1","10","1") = "9"
    & skf18("1","8","5","9","2","1","1") = "8"
    & skf18("1","8","5","9","2","2","1") = "8"
    & skf18("1","8","5","9","2","3","1") = "8"
    & skf18("1","8","5","9","2","4","1") = "8"
    & skf18("1","8","5","9","2","5","1") = "8"
    & skf18("1","8","5","9","2","6","1") = "8"
    & skf18("1","8","5","9","2","7","1") = "8"
    & skf18("1","8","5","9","2","8","1") = "8"
    & skf18("1","8","5","9","2","9","1") = "8"
    & skf18("1","8","5","9","2","10","1") = "9"
    & skf18("1","8","5","9","3","1","1") = "8"
    & skf18("1","8","5","9","3","2","1") = "8"
    & skf18("1","8","5","9","3","3","1") = "8"
    & skf18("1","8","5","9","3","4","1") = "8"
    & skf18("1","8","5","9","3","5","1") = "8"
    & skf18("1","8","5","9","3","6","1") = "8"
    & skf18("1","8","5","9","3","7","1") = "8"
    & skf18("1","8","5","9","3","8","1") = "8"
    & skf18("1","8","5","9","3","9","1") = "8"
    & skf18("1","8","5","9","3","10","1") = "9"
    & skf18("1","8","5","9","4","1","1") = "8"
    & skf18("1","8","5","9","4","2","1") = "8"
    & skf18("1","8","5","9","4","3","1") = "8"
    & skf18("1","8","5","9","4","4","1") = "8"
    & skf18("1","8","5","9","4","5","1") = "8"
    & skf18("1","8","5","9","4","6","1") = "8"
    & skf18("1","8","5","9","4","7","1") = "8"
    & skf18("1","8","5","9","4","8","1") = "8"
    & skf18("1","8","5","9","4","9","1") = "8"
    & skf18("1","8","5","9","4","10","1") = "9"
    & skf18("1","8","5","9","5","1","1") = "8"
    & skf18("1","8","5","9","5","2","1") = "8"
    & skf18("1","8","5","9","5","3","1") = "8"
    & skf18("1","8","5","9","5","4","1") = "8"
    & skf18("1","8","5","9","5","5","1") = "8"
    & skf18("1","8","5","9","5","6","1") = "8"
    & skf18("1","8","5","9","5","7","1") = "8"
    & skf18("1","8","5","9","5","8","1") = "8"
    & skf18("1","8","5","9","5","9","1") = "8"
    & skf18("1","8","5","9","5","10","1") = "9"
    & skf18("1","8","5","9","6","1","1") = "8"
    & skf18("1","8","5","9","6","2","1") = "8"
    & skf18("1","8","5","9","6","3","1") = "8"
    & skf18("1","8","5","9","6","4","1") = "8"
    & skf18("1","8","5","9","6","5","1") = "8"
    & skf18("1","8","5","9","6","6","1") = "8"
    & skf18("1","8","5","9","6","7","1") = "8"
    & skf18("1","8","5","9","6","8","1") = "8"
    & skf18("1","8","5","9","6","9","1") = "8"
    & skf18("1","8","5","9","6","10","1") = "9"
    & skf18("1","8","5","9","7","1","1") = "8"
    & skf18("1","8","5","9","7","2","1") = "8"
    & skf18("1","8","5","9","7","3","1") = "8"
    & skf18("1","8","5","9","7","4","1") = "8"
    & skf18("1","8","5","9","7","5","1") = "8"
    & skf18("1","8","5","9","7","6","1") = "8"
    & skf18("1","8","5","9","7","7","1") = "8"
    & skf18("1","8","5","9","7","8","1") = "8"
    & skf18("1","8","5","9","7","9","1") = "8"
    & skf18("1","8","5","9","7","10","1") = "9"
    & skf18("1","8","5","9","8","1","1") = "8"
    & skf18("1","8","5","9","8","2","1") = "8"
    & skf18("1","8","5","9","8","3","1") = "8"
    & skf18("1","8","5","9","8","4","1") = "8"
    & skf18("1","8","5","9","8","5","1") = "8"
    & skf18("1","8","5","9","8","6","1") = "8"
    & skf18("1","8","5","9","8","7","1") = "8"
    & skf18("1","8","5","9","8","8","1") = "8"
    & skf18("1","8","5","9","8","9","1") = "8"
    & skf18("1","8","5","9","8","10","1") = "9"
    & skf18("1","8","5","9","9","1","1") = "8"
    & skf18("1","8","5","9","9","2","1") = "8"
    & skf18("1","8","5","9","9","3","1") = "8"
    & skf18("1","8","5","9","9","4","1") = "8"
    & skf18("1","8","5","9","9","5","1") = "8"
    & skf18("1","8","5","9","9","6","1") = "8"
    & skf18("1","8","5","9","9","7","1") = "8"
    & skf18("1","8","5","9","9","8","1") = "8"
    & skf18("1","8","5","9","9","9","1") = "8"
    & skf18("1","8","5","9","9","10","1") = "9"
    & skf18("1","8","5","9","10","1","1") = "9"
    & skf18("1","8","5","9","10","2","1") = "9"
    & skf18("1","8","5","9","10","3","1") = "9"
    & skf18("1","8","5","9","10","4","1") = "9"
    & skf18("1","8","5","9","10","5","1") = "9"
    & skf18("1","8","5","9","10","6","1") = "9"
    & skf18("1","8","5","9","10","7","1") = "9"
    & skf18("1","8","5","9","10","8","1") = "9"
    & skf18("1","8","5","9","10","9","1") = "9"
    & skf18("1","8","5","9","10","10","1") = "9"
    & skf18("1","8","5","10","1","1","1") = "9"
    & skf18("1","8","5","10","1","2","1") = "9"
    & skf18("1","8","5","10","1","3","1") = "9"
    & skf18("1","8","5","10","1","4","1") = "9"
    & skf18("1","8","5","10","1","5","1") = "9"
    & skf18("1","8","5","10","1","6","1") = "9"
    & skf18("1","8","5","10","1","7","1") = "9"
    & skf18("1","8","5","10","1","8","1") = "9"
    & skf18("1","8","5","10","1","9","1") = "9"
    & skf18("1","8","5","10","1","10","1") = "9"
    & skf18("1","8","5","10","2","1","1") = "9"
    & skf18("1","8","5","10","2","2","1") = "9"
    & skf18("1","8","5","10","2","3","1") = "9"
    & skf18("1","8","5","10","2","4","1") = "9"
    & skf18("1","8","5","10","2","5","1") = "9"
    & skf18("1","8","5","10","2","6","1") = "9"
    & skf18("1","8","5","10","2","7","1") = "9"
    & skf18("1","8","5","10","2","8","1") = "9"
    & skf18("1","8","5","10","2","9","1") = "9"
    & skf18("1","8","5","10","2","10","1") = "9"
    & skf18("1","8","5","10","3","1","1") = "9"
    & skf18("1","8","5","10","3","2","1") = "9"
    & skf18("1","8","5","10","3","3","1") = "9"
    & skf18("1","8","5","10","3","4","1") = "9"
    & skf18("1","8","5","10","3","5","1") = "9"
    & skf18("1","8","5","10","3","6","1") = "9"
    & skf18("1","8","5","10","3","7","1") = "9"
    & skf18("1","8","5","10","3","8","1") = "9"
    & skf18("1","8","5","10","3","9","1") = "9"
    & skf18("1","8","5","10","3","10","1") = "9"
    & skf18("1","8","5","10","4","1","1") = "9"
    & skf18("1","8","5","10","4","2","1") = "9"
    & skf18("1","8","5","10","4","3","1") = "9"
    & skf18("1","8","5","10","4","4","1") = "9"
    & skf18("1","8","5","10","4","5","1") = "9"
    & skf18("1","8","5","10","4","6","1") = "9"
    & skf18("1","8","5","10","4","7","1") = "9"
    & skf18("1","8","5","10","4","8","1") = "9"
    & skf18("1","8","5","10","4","9","1") = "9"
    & skf18("1","8","5","10","4","10","1") = "9"
    & skf18("1","8","5","10","5","1","1") = "9"
    & skf18("1","8","5","10","5","2","1") = "9"
    & skf18("1","8","5","10","5","3","1") = "9"
    & skf18("1","8","5","10","5","4","1") = "9"
    & skf18("1","8","5","10","5","5","1") = "9"
    & skf18("1","8","5","10","5","6","1") = "9"
    & skf18("1","8","5","10","5","7","1") = "9"
    & skf18("1","8","5","10","5","8","1") = "9"
    & skf18("1","8","5","10","5","9","1") = "9"
    & skf18("1","8","5","10","5","10","1") = "9"
    & skf18("1","8","5","10","6","1","1") = "9"
    & skf18("1","8","5","10","6","2","1") = "9"
    & skf18("1","8","5","10","6","3","1") = "9"
    & skf18("1","8","5","10","6","4","1") = "9"
    & skf18("1","8","5","10","6","5","1") = "9"
    & skf18("1","8","5","10","6","6","1") = "9"
    & skf18("1","8","5","10","6","7","1") = "9"
    & skf18("1","8","5","10","6","8","1") = "9"
    & skf18("1","8","5","10","6","9","1") = "9"
    & skf18("1","8","5","10","6","10","1") = "9"
    & skf18("1","8","5","10","7","1","1") = "9"
    & skf18("1","8","5","10","7","2","1") = "9"
    & skf18("1","8","5","10","7","3","1") = "9"
    & skf18("1","8","5","10","7","4","1") = "9"
    & skf18("1","8","5","10","7","5","1") = "9"
    & skf18("1","8","5","10","7","6","1") = "9"
    & skf18("1","8","5","10","7","7","1") = "9"
    & skf18("1","8","5","10","7","8","1") = "9"
    & skf18("1","8","5","10","7","9","1") = "9"
    & skf18("1","8","5","10","7","10","1") = "9"
    & skf18("1","8","5","10","8","1","1") = "9"
    & skf18("1","8","5","10","8","2","1") = "9"
    & skf18("1","8","5","10","8","3","1") = "9"
    & skf18("1","8","5","10","8","4","1") = "9"
    & skf18("1","8","5","10","8","5","1") = "9"
    & skf18("1","8","5","10","8","6","1") = "9"
    & skf18("1","8","5","10","8","7","1") = "9"
    & skf18("1","8","5","10","8","8","1") = "9"
    & skf18("1","8","5","10","8","9","1") = "9"
    & skf18("1","8","5","10","8","10","1") = "9"
    & skf18("1","8","5","10","9","1","1") = "9"
    & skf18("1","8","5","10","9","2","1") = "9"
    & skf18("1","8","5","10","9","3","1") = "9"
    & skf18("1","8","5","10","9","4","1") = "9"
    & skf18("1","8","5","10","9","5","1") = "9"
    & skf18("1","8","5","10","9","6","1") = "9"
    & skf18("1","8","5","10","9","7","1") = "9"
    & skf18("1","8","5","10","9","8","1") = "9"
    & skf18("1","8","5","10","9","9","1") = "9"
    & skf18("1","8","5","10","9","10","1") = "9"
    & skf18("1","8","5","10","10","1","1") = "9"
    & skf18("1","8","5","10","10","2","1") = "9"
    & skf18("1","8","5","10","10","3","1") = "9"
    & skf18("1","8","5","10","10","4","1") = "9"
    & skf18("1","8","5","10","10","5","1") = "9"
    & skf18("1","8","5","10","10","6","1") = "9"
    & skf18("1","8","5","10","10","7","1") = "9"
    & skf18("1","8","5","10","10","8","1") = "9"
    & skf18("1","8","5","10","10","9","1") = "9"
    & skf18("1","8","5","10","10","10","1") = "9"
    & skf18("1","8","6","1","1","1","1") = "7"
    & skf18("1","8","6","1","1","2","1") = "7"
    & skf18("1","8","6","1","1","3","1") = "7"
    & skf18("1","8","6","1","1","4","1") = "7"
    & skf18("1","8","6","1","1","5","1") = "7"
    & skf18("1","8","6","1","1","6","1") = "7"
    & skf18("1","8","6","1","1","7","1") = "7"
    & skf18("1","8","6","1","1","8","1") = "7"
    & skf18("1","8","6","1","1","9","1") = "8"
    & skf18("1","8","6","1","1","10","1") = "9"
    & skf18("1","8","6","1","2","1","1") = "7"
    & skf18("1","8","6","1","2","2","1") = "7"
    & skf18("1","8","6","1","2","3","1") = "7"
    & skf18("1","8","6","1","2","4","1") = "7"
    & skf18("1","8","6","1","2","5","1") = "7"
    & skf18("1","8","6","1","2","6","1") = "7"
    & skf18("1","8","6","1","2","7","1") = "7"
    & skf18("1","8","6","1","2","8","1") = "7"
    & skf18("1","8","6","1","2","9","1") = "8"
    & skf18("1","8","6","1","2","10","1") = "9"
    & skf18("1","8","6","1","3","1","1") = "7"
    & skf18("1","8","6","1","3","2","1") = "7"
    & skf18("1","8","6","1","3","3","1") = "7"
    & skf18("1","8","6","1","3","4","1") = "7"
    & skf18("1","8","6","1","3","5","1") = "7"
    & skf18("1","8","6","1","3","6","1") = "7"
    & skf18("1","8","6","1","3","7","1") = "7"
    & skf18("1","8","6","1","3","8","1") = "7"
    & skf18("1","8","6","1","3","9","1") = "8"
    & skf18("1","8","6","1","3","10","1") = "9"
    & skf18("1","8","6","1","4","1","1") = "7"
    & skf18("1","8","6","1","4","2","1") = "7"
    & skf18("1","8","6","1","4","3","1") = "7"
    & skf18("1","8","6","1","4","4","1") = "7"
    & skf18("1","8","6","1","4","5","1") = "7"
    & skf18("1","8","6","1","4","6","1") = "7"
    & skf18("1","8","6","1","4","7","1") = "7"
    & skf18("1","8","6","1","4","8","1") = "7"
    & skf18("1","8","6","1","4","9","1") = "8"
    & skf18("1","8","6","1","4","10","1") = "9"
    & skf18("1","8","6","1","5","1","1") = "7"
    & skf18("1","8","6","1","5","2","1") = "7"
    & skf18("1","8","6","1","5","3","1") = "7"
    & skf18("1","8","6","1","5","4","1") = "7"
    & skf18("1","8","6","1","5","5","1") = "7"
    & skf18("1","8","6","1","5","6","1") = "7"
    & skf18("1","8","6","1","5","7","1") = "7"
    & skf18("1","8","6","1","5","8","1") = "7"
    & skf18("1","8","6","1","5","9","1") = "8"
    & skf18("1","8","6","1","5","10","1") = "9"
    & skf18("1","8","6","1","6","1","1") = "7"
    & skf18("1","8","6","1","6","2","1") = "7"
    & skf18("1","8","6","1","6","3","1") = "7"
    & skf18("1","8","6","1","6","4","1") = "7"
    & skf18("1","8","6","1","6","5","1") = "7"
    & skf18("1","8","6","1","6","6","1") = "7"
    & skf18("1","8","6","1","6","7","1") = "7"
    & skf18("1","8","6","1","6","8","1") = "7"
    & skf18("1","8","6","1","6","9","1") = "8"
    & skf18("1","8","6","1","6","10","1") = "9"
    & skf18("1","8","6","1","7","1","1") = "7"
    & skf18("1","8","6","1","7","2","1") = "7"
    & skf18("1","8","6","1","7","3","1") = "7"
    & skf18("1","8","6","1","7","4","1") = "7"
    & skf18("1","8","6","1","7","5","1") = "7"
    & skf18("1","8","6","1","7","6","1") = "7"
    & skf18("1","8","6","1","7","7","1") = "7"
    & skf18("1","8","6","1","7","8","1") = "7"
    & skf18("1","8","6","1","7","9","1") = "8"
    & skf18("1","8","6","1","7","10","1") = "9"
    & skf18("1","8","6","1","8","1","1") = "7"
    & skf18("1","8","6","1","8","2","1") = "7"
    & skf18("1","8","6","1","8","3","1") = "7"
    & skf18("1","8","6","1","8","4","1") = "7"
    & skf18("1","8","6","1","8","5","1") = "7"
    & skf18("1","8","6","1","8","6","1") = "7"
    & skf18("1","8","6","1","8","7","1") = "7"
    & skf18("1","8","6","1","8","8","1") = "7"
    & skf18("1","8","6","1","8","9","1") = "8"
    & skf18("1","8","6","1","8","10","1") = "9"
    & skf18("1","8","6","1","9","1","1") = "8"
    & skf18("1","8","6","1","9","2","1") = "8"
    & skf18("1","8","6","1","9","3","1") = "8"
    & skf18("1","8","6","1","9","4","1") = "8"
    & skf18("1","8","6","1","9","5","1") = "8"
    & skf18("1","8","6","1","9","6","1") = "8"
    & skf18("1","8","6","1","9","7","1") = "8"
    & skf18("1","8","6","1","9","8","1") = "8"
    & skf18("1","8","6","1","9","9","1") = "8"
    & skf18("1","8","6","1","9","10","1") = "9"
    & skf18("1","8","6","1","10","1","1") = "9"
    & skf18("1","8","6","1","10","2","1") = "9"
    & skf18("1","8","6","1","10","3","1") = "9"
    & skf18("1","8","6","1","10","4","1") = "9"
    & skf18("1","8","6","1","10","5","1") = "9"
    & skf18("1","8","6","1","10","6","1") = "9"
    & skf18("1","8","6","1","10","7","1") = "9"
    & skf18("1","8","6","1","10","8","1") = "9"
    & skf18("1","8","6","1","10","9","1") = "9"
    & skf18("1","8","6","1","10","10","1") = "9"
    & skf18("1","8","6","2","1","1","1") = "7"
    & skf18("1","8","6","2","1","2","1") = "7"
    & skf18("1","8","6","2","1","3","1") = "7"
    & skf18("1","8","6","2","1","4","1") = "7"
    & skf18("1","8","6","2","1","5","1") = "7"
    & skf18("1","8","6","2","1","6","1") = "7"
    & skf18("1","8","6","2","1","7","1") = "7"
    & skf18("1","8","6","2","1","8","1") = "7"
    & skf18("1","8","6","2","1","9","1") = "8"
    & skf18("1","8","6","2","1","10","1") = "9"
    & skf18("1","8","6","2","2","1","1") = "7"
    & skf18("1","8","6","2","2","2","1") = "7"
    & skf18("1","8","6","2","2","3","1") = "7"
    & skf18("1","8","6","2","2","4","1") = "7"
    & skf18("1","8","6","2","2","5","1") = "7"
    & skf18("1","8","6","2","2","6","1") = "7"
    & skf18("1","8","6","2","2","7","1") = "7"
    & skf18("1","8","6","2","2","8","1") = "7"
    & skf18("1","8","6","2","2","9","1") = "8"
    & skf18("1","8","6","2","2","10","1") = "9"
    & skf18("1","8","6","2","3","1","1") = "7"
    & skf18("1","8","6","2","3","2","1") = "7"
    & skf18("1","8","6","2","3","3","1") = "7"
    & skf18("1","8","6","2","3","4","1") = "7"
    & skf18("1","8","6","2","3","5","1") = "7"
    & skf18("1","8","6","2","3","6","1") = "7"
    & skf18("1","8","6","2","3","7","1") = "7"
    & skf18("1","8","6","2","3","8","1") = "7"
    & skf18("1","8","6","2","3","9","1") = "8"
    & skf18("1","8","6","2","3","10","1") = "9"
    & skf18("1","8","6","2","4","1","1") = "7"
    & skf18("1","8","6","2","4","2","1") = "7"
    & skf18("1","8","6","2","4","3","1") = "7"
    & skf18("1","8","6","2","4","4","1") = "7"
    & skf18("1","8","6","2","4","5","1") = "7"
    & skf18("1","8","6","2","4","6","1") = "7"
    & skf18("1","8","6","2","4","7","1") = "7"
    & skf18("1","8","6","2","4","8","1") = "7"
    & skf18("1","8","6","2","4","9","1") = "8"
    & skf18("1","8","6","2","4","10","1") = "9"
    & skf18("1","8","6","2","5","1","1") = "7"
    & skf18("1","8","6","2","5","2","1") = "7"
    & skf18("1","8","6","2","5","3","1") = "7"
    & skf18("1","8","6","2","5","4","1") = "7"
    & skf18("1","8","6","2","5","5","1") = "7"
    & skf18("1","8","6","2","5","6","1") = "7"
    & skf18("1","8","6","2","5","7","1") = "7"
    & skf18("1","8","6","2","5","8","1") = "7"
    & skf18("1","8","6","2","5","9","1") = "8"
    & skf18("1","8","6","2","5","10","1") = "9"
    & skf18("1","8","6","2","6","1","1") = "7"
    & skf18("1","8","6","2","6","2","1") = "7"
    & skf18("1","8","6","2","6","3","1") = "7"
    & skf18("1","8","6","2","6","4","1") = "7"
    & skf18("1","8","6","2","6","5","1") = "7"
    & skf18("1","8","6","2","6","6","1") = "7"
    & skf18("1","8","6","2","6","7","1") = "7"
    & skf18("1","8","6","2","6","8","1") = "7"
    & skf18("1","8","6","2","6","9","1") = "8"
    & skf18("1","8","6","2","6","10","1") = "9"
    & skf18("1","8","6","2","7","1","1") = "7"
    & skf18("1","8","6","2","7","2","1") = "7"
    & skf18("1","8","6","2","7","3","1") = "7"
    & skf18("1","8","6","2","7","4","1") = "7"
    & skf18("1","8","6","2","7","5","1") = "7"
    & skf18("1","8","6","2","7","6","1") = "7"
    & skf18("1","8","6","2","7","7","1") = "7"
    & skf18("1","8","6","2","7","8","1") = "7"
    & skf18("1","8","6","2","7","9","1") = "8"
    & skf18("1","8","6","2","7","10","1") = "9"
    & skf18("1","8","6","2","8","1","1") = "7"
    & skf18("1","8","6","2","8","2","1") = "7"
    & skf18("1","8","6","2","8","3","1") = "7"
    & skf18("1","8","6","2","8","4","1") = "7"
    & skf18("1","8","6","2","8","5","1") = "7"
    & skf18("1","8","6","2","8","6","1") = "7"
    & skf18("1","8","6","2","8","7","1") = "7"
    & skf18("1","8","6","2","8","8","1") = "7"
    & skf18("1","8","6","2","8","9","1") = "8"
    & skf18("1","8","6","2","8","10","1") = "9"
    & skf18("1","8","6","2","9","1","1") = "8"
    & skf18("1","8","6","2","9","2","1") = "8"
    & skf18("1","8","6","2","9","3","1") = "8"
    & skf18("1","8","6","2","9","4","1") = "8"
    & skf18("1","8","6","2","9","5","1") = "8"
    & skf18("1","8","6","2","9","6","1") = "8"
    & skf18("1","8","6","2","9","7","1") = "8"
    & skf18("1","8","6","2","9","8","1") = "8"
    & skf18("1","8","6","2","9","9","1") = "8"
    & skf18("1","8","6","2","9","10","1") = "9"
    & skf18("1","8","6","2","10","1","1") = "9"
    & skf18("1","8","6","2","10","2","1") = "9"
    & skf18("1","8","6","2","10","3","1") = "9"
    & skf18("1","8","6","2","10","4","1") = "9"
    & skf18("1","8","6","2","10","5","1") = "9"
    & skf18("1","8","6","2","10","6","1") = "9"
    & skf18("1","8","6","2","10","7","1") = "9"
    & skf18("1","8","6","2","10","8","1") = "9"
    & skf18("1","8","6","2","10","9","1") = "9"
    & skf18("1","8","6","2","10","10","1") = "9"
    & skf18("1","8","6","3","1","1","1") = "7"
    & skf18("1","8","6","3","1","2","1") = "7"
    & skf18("1","8","6","3","1","3","1") = "7"
    & skf18("1","8","6","3","1","4","1") = "7"
    & skf18("1","8","6","3","1","5","1") = "7"
    & skf18("1","8","6","3","1","6","1") = "7"
    & skf18("1","8","6","3","1","7","1") = "7"
    & skf18("1","8","6","3","1","8","1") = "7"
    & skf18("1","8","6","3","1","9","1") = "8"
    & skf18("1","8","6","3","1","10","1") = "9"
    & skf18("1","8","6","3","2","1","1") = "7"
    & skf18("1","8","6","3","2","2","1") = "7"
    & skf18("1","8","6","3","2","3","1") = "7"
    & skf18("1","8","6","3","2","4","1") = "7"
    & skf18("1","8","6","3","2","5","1") = "7"
    & skf18("1","8","6","3","2","6","1") = "7"
    & skf18("1","8","6","3","2","7","1") = "7"
    & skf18("1","8","6","3","2","8","1") = "7"
    & skf18("1","8","6","3","2","9","1") = "8"
    & skf18("1","8","6","3","2","10","1") = "9"
    & skf18("1","8","6","3","3","1","1") = "7"
    & skf18("1","8","6","3","3","2","1") = "7"
    & skf18("1","8","6","3","3","3","1") = "7"
    & skf18("1","8","6","3","3","4","1") = "7"
    & skf18("1","8","6","3","3","5","1") = "7"
    & skf18("1","8","6","3","3","6","1") = "7"
    & skf18("1","8","6","3","3","7","1") = "7"
    & skf18("1","8","6","3","3","8","1") = "7"
    & skf18("1","8","6","3","3","9","1") = "8"
    & skf18("1","8","6","3","3","10","1") = "9"
    & skf18("1","8","6","3","4","1","1") = "7"
    & skf18("1","8","6","3","4","2","1") = "7"
    & skf18("1","8","6","3","4","3","1") = "7"
    & skf18("1","8","6","3","4","4","1") = "7"
    & skf18("1","8","6","3","4","5","1") = "7"
    & skf18("1","8","6","3","4","6","1") = "7"
    & skf18("1","8","6","3","4","7","1") = "7"
    & skf18("1","8","6","3","4","8","1") = "7"
    & skf18("1","8","6","3","4","9","1") = "8"
    & skf18("1","8","6","3","4","10","1") = "9"
    & skf18("1","8","6","3","5","1","1") = "7"
    & skf18("1","8","6","3","5","2","1") = "7"
    & skf18("1","8","6","3","5","3","1") = "7"
    & skf18("1","8","6","3","5","4","1") = "7"
    & skf18("1","8","6","3","5","5","1") = "7"
    & skf18("1","8","6","3","5","6","1") = "7"
    & skf18("1","8","6","3","5","7","1") = "7"
    & skf18("1","8","6","3","5","8","1") = "7"
    & skf18("1","8","6","3","5","9","1") = "8"
    & skf18("1","8","6","3","5","10","1") = "9"
    & skf18("1","8","6","3","6","1","1") = "7"
    & skf18("1","8","6","3","6","2","1") = "7"
    & skf18("1","8","6","3","6","3","1") = "7"
    & skf18("1","8","6","3","6","4","1") = "7"
    & skf18("1","8","6","3","6","5","1") = "7"
    & skf18("1","8","6","3","6","6","1") = "7"
    & skf18("1","8","6","3","6","7","1") = "7"
    & skf18("1","8","6","3","6","8","1") = "7"
    & skf18("1","8","6","3","6","9","1") = "8"
    & skf18("1","8","6","3","6","10","1") = "9"
    & skf18("1","8","6","3","7","1","1") = "7"
    & skf18("1","8","6","3","7","2","1") = "7"
    & skf18("1","8","6","3","7","3","1") = "7"
    & skf18("1","8","6","3","7","4","1") = "7"
    & skf18("1","8","6","3","7","5","1") = "7"
    & skf18("1","8","6","3","7","6","1") = "7"
    & skf18("1","8","6","3","7","7","1") = "7"
    & skf18("1","8","6","3","7","8","1") = "7"
    & skf18("1","8","6","3","7","9","1") = "8"
    & skf18("1","8","6","3","7","10","1") = "9"
    & skf18("1","8","6","3","8","1","1") = "7"
    & skf18("1","8","6","3","8","2","1") = "7"
    & skf18("1","8","6","3","8","3","1") = "7"
    & skf18("1","8","6","3","8","4","1") = "7"
    & skf18("1","8","6","3","8","5","1") = "7"
    & skf18("1","8","6","3","8","6","1") = "7"
    & skf18("1","8","6","3","8","7","1") = "7"
    & skf18("1","8","6","3","8","8","1") = "7"
    & skf18("1","8","6","3","8","9","1") = "8"
    & skf18("1","8","6","3","8","10","1") = "9"
    & skf18("1","8","6","3","9","1","1") = "8"
    & skf18("1","8","6","3","9","2","1") = "8"
    & skf18("1","8","6","3","9","3","1") = "8"
    & skf18("1","8","6","3","9","4","1") = "8"
    & skf18("1","8","6","3","9","5","1") = "8"
    & skf18("1","8","6","3","9","6","1") = "8"
    & skf18("1","8","6","3","9","7","1") = "8"
    & skf18("1","8","6","3","9","8","1") = "8"
    & skf18("1","8","6","3","9","9","1") = "8"
    & skf18("1","8","6","3","9","10","1") = "9"
    & skf18("1","8","6","3","10","1","1") = "9"
    & skf18("1","8","6","3","10","2","1") = "9"
    & skf18("1","8","6","3","10","3","1") = "9"
    & skf18("1","8","6","3","10","4","1") = "9"
    & skf18("1","8","6","3","10","5","1") = "9"
    & skf18("1","8","6","3","10","6","1") = "9"
    & skf18("1","8","6","3","10","7","1") = "9"
    & skf18("1","8","6","3","10","8","1") = "9"
    & skf18("1","8","6","3","10","9","1") = "9"
    & skf18("1","8","6","3","10","10","1") = "9"
    & skf18("1","8","6","4","1","1","1") = "7"
    & skf18("1","8","6","4","1","2","1") = "7"
    & skf18("1","8","6","4","1","3","1") = "7"
    & skf18("1","8","6","4","1","4","1") = "7"
    & skf18("1","8","6","4","1","5","1") = "7"
    & skf18("1","8","6","4","1","6","1") = "7"
    & skf18("1","8","6","4","1","7","1") = "7"
    & skf18("1","8","6","4","1","8","1") = "7"
    & skf18("1","8","6","4","1","9","1") = "8"
    & skf18("1","8","6","4","1","10","1") = "9"
    & skf18("1","8","6","4","2","1","1") = "7"
    & skf18("1","8","6","4","2","2","1") = "7"
    & skf18("1","8","6","4","2","3","1") = "7"
    & skf18("1","8","6","4","2","4","1") = "7"
    & skf18("1","8","6","4","2","5","1") = "7"
    & skf18("1","8","6","4","2","6","1") = "7"
    & skf18("1","8","6","4","2","7","1") = "7"
    & skf18("1","8","6","4","2","8","1") = "7"
    & skf18("1","8","6","4","2","9","1") = "8"
    & skf18("1","8","6","4","2","10","1") = "9"
    & skf18("1","8","6","4","3","1","1") = "7"
    & skf18("1","8","6","4","3","2","1") = "7"
    & skf18("1","8","6","4","3","3","1") = "7"
    & skf18("1","8","6","4","3","4","1") = "7"
    & skf18("1","8","6","4","3","5","1") = "7"
    & skf18("1","8","6","4","3","6","1") = "7"
    & skf18("1","8","6","4","3","7","1") = "7"
    & skf18("1","8","6","4","3","8","1") = "7"
    & skf18("1","8","6","4","3","9","1") = "8"
    & skf18("1","8","6","4","3","10","1") = "9"
    & skf18("1","8","6","4","4","1","1") = "7"
    & skf18("1","8","6","4","4","2","1") = "7"
    & skf18("1","8","6","4","4","3","1") = "7"
    & skf18("1","8","6","4","4","4","1") = "7"
    & skf18("1","8","6","4","4","5","1") = "7"
    & skf18("1","8","6","4","4","6","1") = "7"
    & skf18("1","8","6","4","4","7","1") = "7"
    & skf18("1","8","6","4","4","8","1") = "7"
    & skf18("1","8","6","4","4","9","1") = "8"
    & skf18("1","8","6","4","4","10","1") = "9"
    & skf18("1","8","6","4","5","1","1") = "7"
    & skf18("1","8","6","4","5","2","1") = "7"
    & skf18("1","8","6","4","5","3","1") = "7"
    & skf18("1","8","6","4","5","4","1") = "7"
    & skf18("1","8","6","4","5","5","1") = "7"
    & skf18("1","8","6","4","5","6","1") = "7"
    & skf18("1","8","6","4","5","7","1") = "7"
    & skf18("1","8","6","4","5","8","1") = "7"
    & skf18("1","8","6","4","5","9","1") = "8"
    & skf18("1","8","6","4","5","10","1") = "9"
    & skf18("1","8","6","4","6","1","1") = "7"
    & skf18("1","8","6","4","6","2","1") = "7"
    & skf18("1","8","6","4","6","3","1") = "7"
    & skf18("1","8","6","4","6","4","1") = "7"
    & skf18("1","8","6","4","6","5","1") = "7"
    & skf18("1","8","6","4","6","6","1") = "7"
    & skf18("1","8","6","4","6","7","1") = "7"
    & skf18("1","8","6","4","6","8","1") = "7"
    & skf18("1","8","6","4","6","9","1") = "8"
    & skf18("1","8","6","4","6","10","1") = "9"
    & skf18("1","8","6","4","7","1","1") = "7"
    & skf18("1","8","6","4","7","2","1") = "7"
    & skf18("1","8","6","4","7","3","1") = "7"
    & skf18("1","8","6","4","7","4","1") = "7"
    & skf18("1","8","6","4","7","5","1") = "7"
    & skf18("1","8","6","4","7","6","1") = "7"
    & skf18("1","8","6","4","7","7","1") = "7"
    & skf18("1","8","6","4","7","8","1") = "7"
    & skf18("1","8","6","4","7","9","1") = "8"
    & skf18("1","8","6","4","7","10","1") = "9"
    & skf18("1","8","6","4","8","1","1") = "7"
    & skf18("1","8","6","4","8","2","1") = "7"
    & skf18("1","8","6","4","8","3","1") = "7"
    & skf18("1","8","6","4","8","4","1") = "7"
    & skf18("1","8","6","4","8","5","1") = "7"
    & skf18("1","8","6","4","8","6","1") = "7"
    & skf18("1","8","6","4","8","7","1") = "7"
    & skf18("1","8","6","4","8","8","1") = "7"
    & skf18("1","8","6","4","8","9","1") = "8"
    & skf18("1","8","6","4","8","10","1") = "9"
    & skf18("1","8","6","4","9","1","1") = "8"
    & skf18("1","8","6","4","9","2","1") = "8"
    & skf18("1","8","6","4","9","3","1") = "8"
    & skf18("1","8","6","4","9","4","1") = "8"
    & skf18("1","8","6","4","9","5","1") = "8"
    & skf18("1","8","6","4","9","6","1") = "8"
    & skf18("1","8","6","4","9","7","1") = "8"
    & skf18("1","8","6","4","9","8","1") = "8"
    & skf18("1","8","6","4","9","9","1") = "8"
    & skf18("1","8","6","4","9","10","1") = "9"
    & skf18("1","8","6","4","10","1","1") = "9"
    & skf18("1","8","6","4","10","2","1") = "9"
    & skf18("1","8","6","4","10","3","1") = "9"
    & skf18("1","8","6","4","10","4","1") = "9"
    & skf18("1","8","6","4","10","5","1") = "9"
    & skf18("1","8","6","4","10","6","1") = "9"
    & skf18("1","8","6","4","10","7","1") = "9"
    & skf18("1","8","6","4","10","8","1") = "9"
    & skf18("1","8","6","4","10","9","1") = "9"
    & skf18("1","8","6","4","10","10","1") = "9"
    & skf18("1","8","6","5","1","1","1") = "7"
    & skf18("1","8","6","5","1","2","1") = "7"
    & skf18("1","8","6","5","1","3","1") = "7"
    & skf18("1","8","6","5","1","4","1") = "7"
    & skf18("1","8","6","5","1","5","1") = "7"
    & skf18("1","8","6","5","1","6","1") = "7"
    & skf18("1","8","6","5","1","7","1") = "7"
    & skf18("1","8","6","5","1","8","1") = "7"
    & skf18("1","8","6","5","1","9","1") = "8"
    & skf18("1","8","6","5","1","10","1") = "9"
    & skf18("1","8","6","5","2","1","1") = "7"
    & skf18("1","8","6","5","2","2","1") = "7"
    & skf18("1","8","6","5","2","3","1") = "7"
    & skf18("1","8","6","5","2","4","1") = "7"
    & skf18("1","8","6","5","2","5","1") = "7"
    & skf18("1","8","6","5","2","6","1") = "7"
    & skf18("1","8","6","5","2","7","1") = "7"
    & skf18("1","8","6","5","2","8","1") = "7"
    & skf18("1","8","6","5","2","9","1") = "8"
    & skf18("1","8","6","5","2","10","1") = "9"
    & skf18("1","8","6","5","3","1","1") = "7"
    & skf18("1","8","6","5","3","2","1") = "7"
    & skf18("1","8","6","5","3","3","1") = "7"
    & skf18("1","8","6","5","3","4","1") = "7"
    & skf18("1","8","6","5","3","5","1") = "7"
    & skf18("1","8","6","5","3","6","1") = "7"
    & skf18("1","8","6","5","3","7","1") = "7"
    & skf18("1","8","6","5","3","8","1") = "7"
    & skf18("1","8","6","5","3","9","1") = "8"
    & skf18("1","8","6","5","3","10","1") = "9"
    & skf18("1","8","6","5","4","1","1") = "7"
    & skf18("1","8","6","5","4","2","1") = "7"
    & skf18("1","8","6","5","4","3","1") = "7"
    & skf18("1","8","6","5","4","4","1") = "7"
    & skf18("1","8","6","5","4","5","1") = "7"
    & skf18("1","8","6","5","4","6","1") = "7"
    & skf18("1","8","6","5","4","7","1") = "7"
    & skf18("1","8","6","5","4","8","1") = "7"
    & skf18("1","8","6","5","4","9","1") = "8"
    & skf18("1","8","6","5","4","10","1") = "9"
    & skf18("1","8","6","5","5","1","1") = "7"
    & skf18("1","8","6","5","5","2","1") = "7"
    & skf18("1","8","6","5","5","3","1") = "7"
    & skf18("1","8","6","5","5","4","1") = "7"
    & skf18("1","8","6","5","5","5","1") = "7"
    & skf18("1","8","6","5","5","6","1") = "7"
    & skf18("1","8","6","5","5","7","1") = "7"
    & skf18("1","8","6","5","5","8","1") = "7"
    & skf18("1","8","6","5","5","9","1") = "8"
    & skf18("1","8","6","5","5","10","1") = "9"
    & skf18("1","8","6","5","6","1","1") = "7"
    & skf18("1","8","6","5","6","2","1") = "7"
    & skf18("1","8","6","5","6","3","1") = "7"
    & skf18("1","8","6","5","6","4","1") = "7"
    & skf18("1","8","6","5","6","5","1") = "7"
    & skf18("1","8","6","5","6","6","1") = "7"
    & skf18("1","8","6","5","6","7","1") = "7"
    & skf18("1","8","6","5","6","8","1") = "7"
    & skf18("1","8","6","5","6","9","1") = "8"
    & skf18("1","8","6","5","6","10","1") = "9"
    & skf18("1","8","6","5","7","1","1") = "7"
    & skf18("1","8","6","5","7","2","1") = "7"
    & skf18("1","8","6","5","7","3","1") = "7"
    & skf18("1","8","6","5","7","4","1") = "7"
    & skf18("1","8","6","5","7","5","1") = "7"
    & skf18("1","8","6","5","7","6","1") = "7"
    & skf18("1","8","6","5","7","7","1") = "7"
    & skf18("1","8","6","5","7","8","1") = "7"
    & skf18("1","8","6","5","7","9","1") = "8"
    & skf18("1","8","6","5","7","10","1") = "9"
    & skf18("1","8","6","5","8","1","1") = "7"
    & skf18("1","8","6","5","8","2","1") = "7"
    & skf18("1","8","6","5","8","3","1") = "7"
    & skf18("1","8","6","5","8","4","1") = "7"
    & skf18("1","8","6","5","8","5","1") = "7"
    & skf18("1","8","6","5","8","6","1") = "7"
    & skf18("1","8","6","5","8","7","1") = "7"
    & skf18("1","8","6","5","8","8","1") = "7"
    & skf18("1","8","6","5","8","9","1") = "8"
    & skf18("1","8","6","5","8","10","1") = "9"
    & skf18("1","8","6","5","9","1","1") = "8"
    & skf18("1","8","6","5","9","2","1") = "8"
    & skf18("1","8","6","5","9","3","1") = "8"
    & skf18("1","8","6","5","9","4","1") = "8"
    & skf18("1","8","6","5","9","5","1") = "8"
    & skf18("1","8","6","5","9","6","1") = "8"
    & skf18("1","8","6","5","9","7","1") = "8"
    & skf18("1","8","6","5","9","8","1") = "8"
    & skf18("1","8","6","5","9","9","1") = "8"
    & skf18("1","8","6","5","9","10","1") = "9"
    & skf18("1","8","6","5","10","1","1") = "9"
    & skf18("1","8","6","5","10","2","1") = "9"
    & skf18("1","8","6","5","10","3","1") = "9"
    & skf18("1","8","6","5","10","4","1") = "9"
    & skf18("1","8","6","5","10","5","1") = "9"
    & skf18("1","8","6","5","10","6","1") = "9"
    & skf18("1","8","6","5","10","7","1") = "9"
    & skf18("1","8","6","5","10","8","1") = "9"
    & skf18("1","8","6","5","10","9","1") = "9"
    & skf18("1","8","6","5","10","10","1") = "9"
    & skf18("1","8","6","6","1","1","1") = "7"
    & skf18("1","8","6","6","1","2","1") = "7"
    & skf18("1","8","6","6","1","3","1") = "7"
    & skf18("1","8","6","6","1","4","1") = "7"
    & skf18("1","8","6","6","1","5","1") = "7"
    & skf18("1","8","6","6","1","6","1") = "7"
    & skf18("1","8","6","6","1","7","1") = "7"
    & skf18("1","8","6","6","1","8","1") = "7"
    & skf18("1","8","6","6","1","9","1") = "8"
    & skf18("1","8","6","6","1","10","1") = "9"
    & skf18("1","8","6","6","2","1","1") = "7"
    & skf18("1","8","6","6","2","2","1") = "7"
    & skf18("1","8","6","6","2","3","1") = "7"
    & skf18("1","8","6","6","2","4","1") = "7"
    & skf18("1","8","6","6","2","5","1") = "7"
    & skf18("1","8","6","6","2","6","1") = "7"
    & skf18("1","8","6","6","2","7","1") = "7"
    & skf18("1","8","6","6","2","8","1") = "7"
    & skf18("1","8","6","6","2","9","1") = "8"
    & skf18("1","8","6","6","2","10","1") = "9"
    & skf18("1","8","6","6","3","1","1") = "7"
    & skf18("1","8","6","6","3","2","1") = "7"
    & skf18("1","8","6","6","3","3","1") = "7"
    & skf18("1","8","6","6","3","4","1") = "7"
    & skf18("1","8","6","6","3","5","1") = "7"
    & skf18("1","8","6","6","3","6","1") = "7"
    & skf18("1","8","6","6","3","7","1") = "7"
    & skf18("1","8","6","6","3","8","1") = "7"
    & skf18("1","8","6","6","3","9","1") = "8"
    & skf18("1","8","6","6","3","10","1") = "9"
    & skf18("1","8","6","6","4","1","1") = "7"
    & skf18("1","8","6","6","4","2","1") = "7"
    & skf18("1","8","6","6","4","3","1") = "7"
    & skf18("1","8","6","6","4","4","1") = "7"
    & skf18("1","8","6","6","4","5","1") = "7"
    & skf18("1","8","6","6","4","6","1") = "7"
    & skf18("1","8","6","6","4","7","1") = "7"
    & skf18("1","8","6","6","4","8","1") = "7"
    & skf18("1","8","6","6","4","9","1") = "8"
    & skf18("1","8","6","6","4","10","1") = "9"
    & skf18("1","8","6","6","5","1","1") = "7"
    & skf18("1","8","6","6","5","2","1") = "7"
    & skf18("1","8","6","6","5","3","1") = "7"
    & skf18("1","8","6","6","5","4","1") = "7"
    & skf18("1","8","6","6","5","5","1") = "7"
    & skf18("1","8","6","6","5","6","1") = "7"
    & skf18("1","8","6","6","5","7","1") = "7"
    & skf18("1","8","6","6","5","8","1") = "7"
    & skf18("1","8","6","6","5","9","1") = "8"
    & skf18("1","8","6","6","5","10","1") = "9"
    & skf18("1","8","6","6","6","1","1") = "7"
    & skf18("1","8","6","6","6","2","1") = "7"
    & skf18("1","8","6","6","6","3","1") = "7"
    & skf18("1","8","6","6","6","4","1") = "7"
    & skf18("1","8","6","6","6","5","1") = "7"
    & skf18("1","8","6","6","6","6","1") = "7"
    & skf18("1","8","6","6","6","7","1") = "7"
    & skf18("1","8","6","6","6","8","1") = "7"
    & skf18("1","8","6","6","6","9","1") = "8"
    & skf18("1","8","6","6","6","10","1") = "9"
    & skf18("1","8","6","6","7","1","1") = "7"
    & skf18("1","8","6","6","7","2","1") = "7"
    & skf18("1","8","6","6","7","3","1") = "7"
    & skf18("1","8","6","6","7","4","1") = "7"
    & skf18("1","8","6","6","7","5","1") = "7"
    & skf18("1","8","6","6","7","6","1") = "7"
    & skf18("1","8","6","6","7","7","1") = "7"
    & skf18("1","8","6","6","7","8","1") = "7"
    & skf18("1","8","6","6","7","9","1") = "8"
    & skf18("1","8","6","6","7","10","1") = "9"
    & skf18("1","8","6","6","8","1","1") = "7"
    & skf18("1","8","6","6","8","2","1") = "7"
    & skf18("1","8","6","6","8","3","1") = "7"
    & skf18("1","8","6","6","8","4","1") = "7"
    & skf18("1","8","6","6","8","5","1") = "7"
    & skf18("1","8","6","6","8","6","1") = "7"
    & skf18("1","8","6","6","8","7","1") = "7"
    & skf18("1","8","6","6","8","8","1") = "7"
    & skf18("1","8","6","6","8","9","1") = "8"
    & skf18("1","8","6","6","8","10","1") = "9"
    & skf18("1","8","6","6","9","1","1") = "8"
    & skf18("1","8","6","6","9","2","1") = "8"
    & skf18("1","8","6","6","9","3","1") = "8"
    & skf18("1","8","6","6","9","4","1") = "8"
    & skf18("1","8","6","6","9","5","1") = "8"
    & skf18("1","8","6","6","9","6","1") = "8"
    & skf18("1","8","6","6","9","7","1") = "8"
    & skf18("1","8","6","6","9","8","1") = "8"
    & skf18("1","8","6","6","9","9","1") = "8"
    & skf18("1","8","6","6","9","10","1") = "9"
    & skf18("1","8","6","6","10","1","1") = "9"
    & skf18("1","8","6","6","10","2","1") = "9"
    & skf18("1","8","6","6","10","3","1") = "9"
    & skf18("1","8","6","6","10","4","1") = "9"
    & skf18("1","8","6","6","10","5","1") = "9"
    & skf18("1","8","6","6","10","6","1") = "9"
    & skf18("1","8","6","6","10","7","1") = "9"
    & skf18("1","8","6","6","10","8","1") = "9"
    & skf18("1","8","6","6","10","9","1") = "9"
    & skf18("1","8","6","6","10","10","1") = "9"
    & skf18("1","8","6","7","1","1","1") = "7"
    & skf18("1","8","6","7","1","2","1") = "7"
    & skf18("1","8","6","7","1","3","1") = "7"
    & skf18("1","8","6","7","1","4","1") = "7"
    & skf18("1","8","6","7","1","5","1") = "7"
    & skf18("1","8","6","7","1","6","1") = "7"
    & skf18("1","8","6","7","1","7","1") = "7"
    & skf18("1","8","6","7","1","8","1") = "7"
    & skf18("1","8","6","7","1","9","1") = "8"
    & skf18("1","8","6","7","1","10","1") = "9"
    & skf18("1","8","6","7","2","1","1") = "7"
    & skf18("1","8","6","7","2","2","1") = "7"
    & skf18("1","8","6","7","2","3","1") = "7"
    & skf18("1","8","6","7","2","4","1") = "7"
    & skf18("1","8","6","7","2","5","1") = "7"
    & skf18("1","8","6","7","2","6","1") = "7"
    & skf18("1","8","6","7","2","7","1") = "7"
    & skf18("1","8","6","7","2","8","1") = "7"
    & skf18("1","8","6","7","2","9","1") = "8"
    & skf18("1","8","6","7","2","10","1") = "9"
    & skf18("1","8","6","7","3","1","1") = "7"
    & skf18("1","8","6","7","3","2","1") = "7"
    & skf18("1","8","6","7","3","3","1") = "7"
    & skf18("1","8","6","7","3","4","1") = "7"
    & skf18("1","8","6","7","3","5","1") = "7"
    & skf18("1","8","6","7","3","6","1") = "7"
    & skf18("1","8","6","7","3","7","1") = "7"
    & skf18("1","8","6","7","3","8","1") = "7"
    & skf18("1","8","6","7","3","9","1") = "8"
    & skf18("1","8","6","7","3","10","1") = "9"
    & skf18("1","8","6","7","4","1","1") = "7"
    & skf18("1","8","6","7","4","2","1") = "7"
    & skf18("1","8","6","7","4","3","1") = "7"
    & skf18("1","8","6","7","4","4","1") = "7"
    & skf18("1","8","6","7","4","5","1") = "7"
    & skf18("1","8","6","7","4","6","1") = "7"
    & skf18("1","8","6","7","4","7","1") = "7"
    & skf18("1","8","6","7","4","8","1") = "7"
    & skf18("1","8","6","7","4","9","1") = "8"
    & skf18("1","8","6","7","4","10","1") = "9"
    & skf18("1","8","6","7","5","1","1") = "7"
    & skf18("1","8","6","7","5","2","1") = "7"
    & skf18("1","8","6","7","5","3","1") = "7"
    & skf18("1","8","6","7","5","4","1") = "7"
    & skf18("1","8","6","7","5","5","1") = "7"
    & skf18("1","8","6","7","5","6","1") = "7"
    & skf18("1","8","6","7","5","7","1") = "7"
    & skf18("1","8","6","7","5","8","1") = "7"
    & skf18("1","8","6","7","5","9","1") = "8"
    & skf18("1","8","6","7","5","10","1") = "9"
    & skf18("1","8","6","7","6","1","1") = "7"
    & skf18("1","8","6","7","6","2","1") = "7"
    & skf18("1","8","6","7","6","3","1") = "7"
    & skf18("1","8","6","7","6","4","1") = "7"
    & skf18("1","8","6","7","6","5","1") = "7"
    & skf18("1","8","6","7","6","6","1") = "7"
    & skf18("1","8","6","7","6","7","1") = "7"
    & skf18("1","8","6","7","6","8","1") = "7"
    & skf18("1","8","6","7","6","9","1") = "8"
    & skf18("1","8","6","7","6","10","1") = "9"
    & skf18("1","8","6","7","7","1","1") = "7"
    & skf18("1","8","6","7","7","2","1") = "7"
    & skf18("1","8","6","7","7","3","1") = "7"
    & skf18("1","8","6","7","7","4","1") = "7"
    & skf18("1","8","6","7","7","5","1") = "7"
    & skf18("1","8","6","7","7","6","1") = "7"
    & skf18("1","8","6","7","7","7","1") = "7"
    & skf18("1","8","6","7","7","8","1") = "7"
    & skf18("1","8","6","7","7","9","1") = "8"
    & skf18("1","8","6","7","7","10","1") = "9"
    & skf18("1","8","6","7","8","1","1") = "7"
    & skf18("1","8","6","7","8","2","1") = "7"
    & skf18("1","8","6","7","8","3","1") = "7"
    & skf18("1","8","6","7","8","4","1") = "7"
    & skf18("1","8","6","7","8","5","1") = "7"
    & skf18("1","8","6","7","8","6","1") = "7"
    & skf18("1","8","6","7","8","7","1") = "7"
    & skf18("1","8","6","7","8","8","1") = "7"
    & skf18("1","8","6","7","8","9","1") = "8"
    & skf18("1","8","6","7","8","10","1") = "9"
    & skf18("1","8","6","7","9","1","1") = "8"
    & skf18("1","8","6","7","9","2","1") = "8"
    & skf18("1","8","6","7","9","3","1") = "8"
    & skf18("1","8","6","7","9","4","1") = "8"
    & skf18("1","8","6","7","9","5","1") = "8"
    & skf18("1","8","6","7","9","6","1") = "8"
    & skf18("1","8","6","7","9","7","1") = "8"
    & skf18("1","8","6","7","9","8","1") = "8"
    & skf18("1","8","6","7","9","9","1") = "8"
    & skf18("1","8","6","7","9","10","1") = "9"
    & skf18("1","8","6","7","10","1","1") = "9"
    & skf18("1","8","6","7","10","2","1") = "9"
    & skf18("1","8","6","7","10","3","1") = "9"
    & skf18("1","8","6","7","10","4","1") = "9"
    & skf18("1","8","6","7","10","5","1") = "9"
    & skf18("1","8","6","7","10","6","1") = "9"
    & skf18("1","8","6","7","10","7","1") = "9"
    & skf18("1","8","6","7","10","8","1") = "9"
    & skf18("1","8","6","7","10","9","1") = "9"
    & skf18("1","8","6","7","10","10","1") = "9"
    & skf18("1","8","6","8","1","1","1") = "7"
    & skf18("1","8","6","8","1","2","1") = "7"
    & skf18("1","8","6","8","1","3","1") = "7"
    & skf18("1","8","6","8","1","4","1") = "7"
    & skf18("1","8","6","8","1","5","1") = "7"
    & skf18("1","8","6","8","1","6","1") = "7"
    & skf18("1","8","6","8","1","7","1") = "7"
    & skf18("1","8","6","8","1","8","1") = "7"
    & skf18("1","8","6","8","1","9","1") = "8"
    & skf18("1","8","6","8","1","10","1") = "9"
    & skf18("1","8","6","8","2","1","1") = "7"
    & skf18("1","8","6","8","2","2","1") = "7"
    & skf18("1","8","6","8","2","3","1") = "7"
    & skf18("1","8","6","8","2","4","1") = "7"
    & skf18("1","8","6","8","2","5","1") = "7"
    & skf18("1","8","6","8","2","6","1") = "7"
    & skf18("1","8","6","8","2","7","1") = "7"
    & skf18("1","8","6","8","2","8","1") = "7"
    & skf18("1","8","6","8","2","9","1") = "8"
    & skf18("1","8","6","8","2","10","1") = "9"
    & skf18("1","8","6","8","3","1","1") = "7"
    & skf18("1","8","6","8","3","2","1") = "7"
    & skf18("1","8","6","8","3","3","1") = "7"
    & skf18("1","8","6","8","3","4","1") = "7"
    & skf18("1","8","6","8","3","5","1") = "7"
    & skf18("1","8","6","8","3","6","1") = "7"
    & skf18("1","8","6","8","3","7","1") = "7"
    & skf18("1","8","6","8","3","8","1") = "7"
    & skf18("1","8","6","8","3","9","1") = "8"
    & skf18("1","8","6","8","3","10","1") = "9"
    & skf18("1","8","6","8","4","1","1") = "7"
    & skf18("1","8","6","8","4","2","1") = "7"
    & skf18("1","8","6","8","4","3","1") = "7"
    & skf18("1","8","6","8","4","4","1") = "7"
    & skf18("1","8","6","8","4","5","1") = "7"
    & skf18("1","8","6","8","4","6","1") = "7"
    & skf18("1","8","6","8","4","7","1") = "7"
    & skf18("1","8","6","8","4","8","1") = "7"
    & skf18("1","8","6","8","4","9","1") = "8"
    & skf18("1","8","6","8","4","10","1") = "9"
    & skf18("1","8","6","8","5","1","1") = "7"
    & skf18("1","8","6","8","5","2","1") = "7"
    & skf18("1","8","6","8","5","3","1") = "7"
    & skf18("1","8","6","8","5","4","1") = "7"
    & skf18("1","8","6","8","5","5","1") = "7"
    & skf18("1","8","6","8","5","6","1") = "7"
    & skf18("1","8","6","8","5","7","1") = "7"
    & skf18("1","8","6","8","5","8","1") = "7"
    & skf18("1","8","6","8","5","9","1") = "8"
    & skf18("1","8","6","8","5","10","1") = "9"
    & skf18("1","8","6","8","6","1","1") = "7"
    & skf18("1","8","6","8","6","2","1") = "7"
    & skf18("1","8","6","8","6","3","1") = "7"
    & skf18("1","8","6","8","6","4","1") = "7"
    & skf18("1","8","6","8","6","5","1") = "7"
    & skf18("1","8","6","8","6","6","1") = "7"
    & skf18("1","8","6","8","6","7","1") = "7"
    & skf18("1","8","6","8","6","8","1") = "7"
    & skf18("1","8","6","8","6","9","1") = "8"
    & skf18("1","8","6","8","6","10","1") = "9"
    & skf18("1","8","6","8","7","1","1") = "7"
    & skf18("1","8","6","8","7","2","1") = "7"
    & skf18("1","8","6","8","7","3","1") = "7"
    & skf18("1","8","6","8","7","4","1") = "7"
    & skf18("1","8","6","8","7","5","1") = "7"
    & skf18("1","8","6","8","7","6","1") = "7"
    & skf18("1","8","6","8","7","7","1") = "7"
    & skf18("1","8","6","8","7","8","1") = "7"
    & skf18("1","8","6","8","7","9","1") = "8"
    & skf18("1","8","6","8","7","10","1") = "9"
    & skf18("1","8","6","8","8","1","1") = "7"
    & skf18("1","8","6","8","8","2","1") = "7"
    & skf18("1","8","6","8","8","3","1") = "7"
    & skf18("1","8","6","8","8","4","1") = "7"
    & skf18("1","8","6","8","8","5","1") = "7"
    & skf18("1","8","6","8","8","6","1") = "7"
    & skf18("1","8","6","8","8","7","1") = "7"
    & skf18("1","8","6","8","8","8","1") = "7"
    & skf18("1","8","6","8","8","9","1") = "8"
    & skf18("1","8","6","8","8","10","1") = "9"
    & skf18("1","8","6","8","9","1","1") = "8"
    & skf18("1","8","6","8","9","2","1") = "8"
    & skf18("1","8","6","8","9","3","1") = "8"
    & skf18("1","8","6","8","9","4","1") = "8"
    & skf18("1","8","6","8","9","5","1") = "8"
    & skf18("1","8","6","8","9","6","1") = "8"
    & skf18("1","8","6","8","9","7","1") = "8"
    & skf18("1","8","6","8","9","8","1") = "8"
    & skf18("1","8","6","8","9","9","1") = "8"
    & skf18("1","8","6","8","9","10","1") = "9"
    & skf18("1","8","6","8","10","1","1") = "9"
    & skf18("1","8","6","8","10","2","1") = "9"
    & skf18("1","8","6","8","10","3","1") = "9"
    & skf18("1","8","6","8","10","4","1") = "9"
    & skf18("1","8","6","8","10","5","1") = "9"
    & skf18("1","8","6","8","10","6","1") = "9"
    & skf18("1","8","6","8","10","7","1") = "9"
    & skf18("1","8","6","8","10","8","1") = "9"
    & skf18("1","8","6","8","10","9","1") = "9"
    & skf18("1","8","6","8","10","10","1") = "9"
    & skf18("1","8","6","9","1","1","1") = "8"
    & skf18("1","8","6","9","1","2","1") = "8"
    & skf18("1","8","6","9","1","3","1") = "8"
    & skf18("1","8","6","9","1","4","1") = "8"
    & skf18("1","8","6","9","1","5","1") = "8"
    & skf18("1","8","6","9","1","6","1") = "8"
    & skf18("1","8","6","9","1","7","1") = "8"
    & skf18("1","8","6","9","1","8","1") = "8"
    & skf18("1","8","6","9","1","9","1") = "8"
    & skf18("1","8","6","9","1","10","1") = "9"
    & skf18("1","8","6","9","2","1","1") = "8"
    & skf18("1","8","6","9","2","2","1") = "8"
    & skf18("1","8","6","9","2","3","1") = "8"
    & skf18("1","8","6","9","2","4","1") = "8"
    & skf18("1","8","6","9","2","5","1") = "8"
    & skf18("1","8","6","9","2","6","1") = "8"
    & skf18("1","8","6","9","2","7","1") = "8"
    & skf18("1","8","6","9","2","8","1") = "8"
    & skf18("1","8","6","9","2","9","1") = "8"
    & skf18("1","8","6","9","2","10","1") = "9"
    & skf18("1","8","6","9","3","1","1") = "8"
    & skf18("1","8","6","9","3","2","1") = "8"
    & skf18("1","8","6","9","3","3","1") = "8"
    & skf18("1","8","6","9","3","4","1") = "8"
    & skf18("1","8","6","9","3","5","1") = "8"
    & skf18("1","8","6","9","3","6","1") = "8"
    & skf18("1","8","6","9","3","7","1") = "8"
    & skf18("1","8","6","9","3","8","1") = "8"
    & skf18("1","8","6","9","3","9","1") = "8"
    & skf18("1","8","6","9","3","10","1") = "9"
    & skf18("1","8","6","9","4","1","1") = "8"
    & skf18("1","8","6","9","4","2","1") = "8"
    & skf18("1","8","6","9","4","3","1") = "8"
    & skf18("1","8","6","9","4","4","1") = "8"
    & skf18("1","8","6","9","4","5","1") = "8"
    & skf18("1","8","6","9","4","6","1") = "8"
    & skf18("1","8","6","9","4","7","1") = "8"
    & skf18("1","8","6","9","4","8","1") = "8"
    & skf18("1","8","6","9","4","9","1") = "8"
    & skf18("1","8","6","9","4","10","1") = "9"
    & skf18("1","8","6","9","5","1","1") = "8"
    & skf18("1","8","6","9","5","2","1") = "8"
    & skf18("1","8","6","9","5","3","1") = "8"
    & skf18("1","8","6","9","5","4","1") = "8"
    & skf18("1","8","6","9","5","5","1") = "8"
    & skf18("1","8","6","9","5","6","1") = "8"
    & skf18("1","8","6","9","5","7","1") = "8"
    & skf18("1","8","6","9","5","8","1") = "8"
    & skf18("1","8","6","9","5","9","1") = "8"
    & skf18("1","8","6","9","5","10","1") = "9"
    & skf18("1","8","6","9","6","1","1") = "8"
    & skf18("1","8","6","9","6","2","1") = "8"
    & skf18("1","8","6","9","6","3","1") = "8"
    & skf18("1","8","6","9","6","4","1") = "8"
    & skf18("1","8","6","9","6","5","1") = "8"
    & skf18("1","8","6","9","6","6","1") = "8"
    & skf18("1","8","6","9","6","7","1") = "8"
    & skf18("1","8","6","9","6","8","1") = "8"
    & skf18("1","8","6","9","6","9","1") = "8"
    & skf18("1","8","6","9","6","10","1") = "9"
    & skf18("1","8","6","9","7","1","1") = "8"
    & skf18("1","8","6","9","7","2","1") = "8"
    & skf18("1","8","6","9","7","3","1") = "8"
    & skf18("1","8","6","9","7","4","1") = "8"
    & skf18("1","8","6","9","7","5","1") = "8"
    & skf18("1","8","6","9","7","6","1") = "8"
    & skf18("1","8","6","9","7","7","1") = "8"
    & skf18("1","8","6","9","7","8","1") = "8"
    & skf18("1","8","6","9","7","9","1") = "8"
    & skf18("1","8","6","9","7","10","1") = "9"
    & skf18("1","8","6","9","8","1","1") = "8"
    & skf18("1","8","6","9","8","2","1") = "8"
    & skf18("1","8","6","9","8","3","1") = "8"
    & skf18("1","8","6","9","8","4","1") = "8"
    & skf18("1","8","6","9","8","5","1") = "8"
    & skf18("1","8","6","9","8","6","1") = "8"
    & skf18("1","8","6","9","8","7","1") = "8"
    & skf18("1","8","6","9","8","8","1") = "8"
    & skf18("1","8","6","9","8","9","1") = "8"
    & skf18("1","8","6","9","8","10","1") = "9"
    & skf18("1","8","6","9","9","1","1") = "8"
    & skf18("1","8","6","9","9","2","1") = "8"
    & skf18("1","8","6","9","9","3","1") = "8"
    & skf18("1","8","6","9","9","4","1") = "8"
    & skf18("1","8","6","9","9","5","1") = "8"
    & skf18("1","8","6","9","9","6","1") = "8"
    & skf18("1","8","6","9","9","7","1") = "8"
    & skf18("1","8","6","9","9","8","1") = "8"
    & skf18("1","8","6","9","9","9","1") = "8"
    & skf18("1","8","6","9","9","10","1") = "9"
    & skf18("1","8","6","9","10","1","1") = "9"
    & skf18("1","8","6","9","10","2","1") = "9"
    & skf18("1","8","6","9","10","3","1") = "9"
    & skf18("1","8","6","9","10","4","1") = "9"
    & skf18("1","8","6","9","10","5","1") = "9"
    & skf18("1","8","6","9","10","6","1") = "9"
    & skf18("1","8","6","9","10","7","1") = "9"
    & skf18("1","8","6","9","10","8","1") = "9"
    & skf18("1","8","6","9","10","9","1") = "9"
    & skf18("1","8","6","9","10","10","1") = "9"
    & skf18("1","8","6","10","1","1","1") = "9"
    & skf18("1","8","6","10","1","2","1") = "9"
    & skf18("1","8","6","10","1","3","1") = "9"
    & skf18("1","8","6","10","1","4","1") = "9"
    & skf18("1","8","6","10","1","5","1") = "9"
    & skf18("1","8","6","10","1","6","1") = "9"
    & skf18("1","8","6","10","1","7","1") = "9"
    & skf18("1","8","6","10","1","8","1") = "9"
    & skf18("1","8","6","10","1","9","1") = "9"
    & skf18("1","8","6","10","1","10","1") = "9"
    & skf18("1","8","6","10","2","1","1") = "9"
    & skf18("1","8","6","10","2","2","1") = "9"
    & skf18("1","8","6","10","2","3","1") = "9"
    & skf18("1","8","6","10","2","4","1") = "9"
    & skf18("1","8","6","10","2","5","1") = "9"
    & skf18("1","8","6","10","2","6","1") = "9"
    & skf18("1","8","6","10","2","7","1") = "9"
    & skf18("1","8","6","10","2","8","1") = "9"
    & skf18("1","8","6","10","2","9","1") = "9"
    & skf18("1","8","6","10","2","10","1") = "9"
    & skf18("1","8","6","10","3","1","1") = "9"
    & skf18("1","8","6","10","3","2","1") = "9"
    & skf18("1","8","6","10","3","3","1") = "9"
    & skf18("1","8","6","10","3","4","1") = "9"
    & skf18("1","8","6","10","3","5","1") = "9"
    & skf18("1","8","6","10","3","6","1") = "9"
    & skf18("1","8","6","10","3","7","1") = "9"
    & skf18("1","8","6","10","3","8","1") = "9"
    & skf18("1","8","6","10","3","9","1") = "9"
    & skf18("1","8","6","10","3","10","1") = "9"
    & skf18("1","8","6","10","4","1","1") = "9"
    & skf18("1","8","6","10","4","2","1") = "9"
    & skf18("1","8","6","10","4","3","1") = "9"
    & skf18("1","8","6","10","4","4","1") = "9"
    & skf18("1","8","6","10","4","5","1") = "9"
    & skf18("1","8","6","10","4","6","1") = "9"
    & skf18("1","8","6","10","4","7","1") = "9"
    & skf18("1","8","6","10","4","8","1") = "9"
    & skf18("1","8","6","10","4","9","1") = "9"
    & skf18("1","8","6","10","4","10","1") = "9"
    & skf18("1","8","6","10","5","1","1") = "9"
    & skf18("1","8","6","10","5","2","1") = "9"
    & skf18("1","8","6","10","5","3","1") = "9"
    & skf18("1","8","6","10","5","4","1") = "9"
    & skf18("1","8","6","10","5","5","1") = "9"
    & skf18("1","8","6","10","5","6","1") = "9"
    & skf18("1","8","6","10","5","7","1") = "9"
    & skf18("1","8","6","10","5","8","1") = "9"
    & skf18("1","8","6","10","5","9","1") = "9"
    & skf18("1","8","6","10","5","10","1") = "9"
    & skf18("1","8","6","10","6","1","1") = "9"
    & skf18("1","8","6","10","6","2","1") = "9"
    & skf18("1","8","6","10","6","3","1") = "9"
    & skf18("1","8","6","10","6","4","1") = "9"
    & skf18("1","8","6","10","6","5","1") = "9"
    & skf18("1","8","6","10","6","6","1") = "9"
    & skf18("1","8","6","10","6","7","1") = "9"
    & skf18("1","8","6","10","6","8","1") = "9"
    & skf18("1","8","6","10","6","9","1") = "9"
    & skf18("1","8","6","10","6","10","1") = "9"
    & skf18("1","8","6","10","7","1","1") = "9"
    & skf18("1","8","6","10","7","2","1") = "9"
    & skf18("1","8","6","10","7","3","1") = "9"
    & skf18("1","8","6","10","7","4","1") = "9"
    & skf18("1","8","6","10","7","5","1") = "9"
    & skf18("1","8","6","10","7","6","1") = "9"
    & skf18("1","8","6","10","7","7","1") = "9"
    & skf18("1","8","6","10","7","8","1") = "9"
    & skf18("1","8","6","10","7","9","1") = "9"
    & skf18("1","8","6","10","7","10","1") = "9"
    & skf18("1","8","6","10","8","1","1") = "9"
    & skf18("1","8","6","10","8","2","1") = "9"
    & skf18("1","8","6","10","8","3","1") = "9"
    & skf18("1","8","6","10","8","4","1") = "9"
    & skf18("1","8","6","10","8","5","1") = "9"
    & skf18("1","8","6","10","8","6","1") = "9"
    & skf18("1","8","6","10","8","7","1") = "9"
    & skf18("1","8","6","10","8","8","1") = "9"
    & skf18("1","8","6","10","8","9","1") = "9"
    & skf18("1","8","6","10","8","10","1") = "9"
    & skf18("1","8","6","10","9","1","1") = "9"
    & skf18("1","8","6","10","9","2","1") = "9"
    & skf18("1","8","6","10","9","3","1") = "9"
    & skf18("1","8","6","10","9","4","1") = "9"
    & skf18("1","8","6","10","9","5","1") = "9"
    & skf18("1","8","6","10","9","6","1") = "9"
    & skf18("1","8","6","10","9","7","1") = "9"
    & skf18("1","8","6","10","9","8","1") = "9"
    & skf18("1","8","6","10","9","9","1") = "9"
    & skf18("1","8","6","10","9","10","1") = "9"
    & skf18("1","8","6","10","10","1","1") = "9"
    & skf18("1","8","6","10","10","2","1") = "9"
    & skf18("1","8","6","10","10","3","1") = "9"
    & skf18("1","8","6","10","10","4","1") = "9"
    & skf18("1","8","6","10","10","5","1") = "9"
    & skf18("1","8","6","10","10","6","1") = "9"
    & skf18("1","8","6","10","10","7","1") = "9"
    & skf18("1","8","6","10","10","8","1") = "9"
    & skf18("1","8","6","10","10","9","1") = "9"
    & skf18("1","8","6","10","10","10","1") = "9"
    & skf18("1","8","7","1","1","1","1") = "7"
    & skf18("1","8","7","1","1","2","1") = "7"
    & skf18("1","8","7","1","1","3","1") = "7"
    & skf18("1","8","7","1","1","4","1") = "7"
    & skf18("1","8","7","1","1","5","1") = "7"
    & skf18("1","8","7","1","1","6","1") = "7"
    & skf18("1","8","7","1","1","7","1") = "7"
    & skf18("1","8","7","1","1","8","1") = "7"
    & skf18("1","8","7","1","1","9","1") = "8"
    & skf18("1","8","7","1","1","10","1") = "9"
    & skf18("1","8","7","1","2","1","1") = "7"
    & skf18("1","8","7","1","2","2","1") = "7"
    & skf18("1","8","7","1","2","3","1") = "7"
    & skf18("1","8","7","1","2","4","1") = "7"
    & skf18("1","8","7","1","2","5","1") = "7"
    & skf18("1","8","7","1","2","6","1") = "7"
    & skf18("1","8","7","1","2","7","1") = "7"
    & skf18("1","8","7","1","2","8","1") = "7"
    & skf18("1","8","7","1","2","9","1") = "8"
    & skf18("1","8","7","1","2","10","1") = "9"
    & skf18("1","8","7","1","3","1","1") = "7"
    & skf18("1","8","7","1","3","2","1") = "7"
    & skf18("1","8","7","1","3","3","1") = "7"
    & skf18("1","8","7","1","3","4","1") = "7"
    & skf18("1","8","7","1","3","5","1") = "7"
    & skf18("1","8","7","1","3","6","1") = "7"
    & skf18("1","8","7","1","3","7","1") = "7"
    & skf18("1","8","7","1","3","8","1") = "7"
    & skf18("1","8","7","1","3","9","1") = "8"
    & skf18("1","8","7","1","3","10","1") = "9"
    & skf18("1","8","7","1","4","1","1") = "7"
    & skf18("1","8","7","1","4","2","1") = "7"
    & skf18("1","8","7","1","4","3","1") = "7"
    & skf18("1","8","7","1","4","4","1") = "7"
    & skf18("1","8","7","1","4","5","1") = "7"
    & skf18("1","8","7","1","4","6","1") = "7"
    & skf18("1","8","7","1","4","7","1") = "7"
    & skf18("1","8","7","1","4","8","1") = "7"
    & skf18("1","8","7","1","4","9","1") = "8"
    & skf18("1","8","7","1","4","10","1") = "9"
    & skf18("1","8","7","1","5","1","1") = "7"
    & skf18("1","8","7","1","5","2","1") = "7"
    & skf18("1","8","7","1","5","3","1") = "7"
    & skf18("1","8","7","1","5","4","1") = "7"
    & skf18("1","8","7","1","5","5","1") = "7"
    & skf18("1","8","7","1","5","6","1") = "7"
    & skf18("1","8","7","1","5","7","1") = "7"
    & skf18("1","8","7","1","5","8","1") = "7"
    & skf18("1","8","7","1","5","9","1") = "8"
    & skf18("1","8","7","1","5","10","1") = "9"
    & skf18("1","8","7","1","6","1","1") = "7"
    & skf18("1","8","7","1","6","2","1") = "7"
    & skf18("1","8","7","1","6","3","1") = "7"
    & skf18("1","8","7","1","6","4","1") = "7"
    & skf18("1","8","7","1","6","5","1") = "7"
    & skf18("1","8","7","1","6","6","1") = "7"
    & skf18("1","8","7","1","6","7","1") = "7"
    & skf18("1","8","7","1","6","8","1") = "7"
    & skf18("1","8","7","1","6","9","1") = "8"
    & skf18("1","8","7","1","6","10","1") = "9"
    & skf18("1","8","7","1","7","1","1") = "7"
    & skf18("1","8","7","1","7","2","1") = "7"
    & skf18("1","8","7","1","7","3","1") = "7"
    & skf18("1","8","7","1","7","4","1") = "7"
    & skf18("1","8","7","1","7","5","1") = "7"
    & skf18("1","8","7","1","7","6","1") = "7"
    & skf18("1","8","7","1","7","7","1") = "7"
    & skf18("1","8","7","1","7","8","1") = "7"
    & skf18("1","8","7","1","7","9","1") = "8"
    & skf18("1","8","7","1","7","10","1") = "9"
    & skf18("1","8","7","1","8","1","1") = "7"
    & skf18("1","8","7","1","8","2","1") = "7"
    & skf18("1","8","7","1","8","3","1") = "7"
    & skf18("1","8","7","1","8","4","1") = "7"
    & skf18("1","8","7","1","8","5","1") = "7"
    & skf18("1","8","7","1","8","6","1") = "7"
    & skf18("1","8","7","1","8","7","1") = "7"
    & skf18("1","8","7","1","8","8","1") = "7"
    & skf18("1","8","7","1","8","9","1") = "8"
    & skf18("1","8","7","1","8","10","1") = "9"
    & skf18("1","8","7","1","9","1","1") = "8"
    & skf18("1","8","7","1","9","2","1") = "8"
    & skf18("1","8","7","1","9","3","1") = "8"
    & skf18("1","8","7","1","9","4","1") = "8"
    & skf18("1","8","7","1","9","5","1") = "8"
    & skf18("1","8","7","1","9","6","1") = "8"
    & skf18("1","8","7","1","9","7","1") = "8"
    & skf18("1","8","7","1","9","8","1") = "8"
    & skf18("1","8","7","1","9","9","1") = "8"
    & skf18("1","8","7","1","9","10","1") = "9"
    & skf18("1","8","7","1","10","1","1") = "9"
    & skf18("1","8","7","1","10","2","1") = "9"
    & skf18("1","8","7","1","10","3","1") = "9"
    & skf18("1","8","7","1","10","4","1") = "9"
    & skf18("1","8","7","1","10","5","1") = "9"
    & skf18("1","8","7","1","10","6","1") = "9"
    & skf18("1","8","7","1","10","7","1") = "9"
    & skf18("1","8","7","1","10","8","1") = "9"
    & skf18("1","8","7","1","10","9","1") = "9"
    & skf18("1","8","7","1","10","10","1") = "9"
    & skf18("1","8","7","2","1","1","1") = "7"
    & skf18("1","8","7","2","1","2","1") = "7"
    & skf18("1","8","7","2","1","3","1") = "7"
    & skf18("1","8","7","2","1","4","1") = "7"
    & skf18("1","8","7","2","1","5","1") = "7"
    & skf18("1","8","7","2","1","6","1") = "7"
    & skf18("1","8","7","2","1","7","1") = "7"
    & skf18("1","8","7","2","1","8","1") = "7"
    & skf18("1","8","7","2","1","9","1") = "8"
    & skf18("1","8","7","2","1","10","1") = "9"
    & skf18("1","8","7","2","2","1","1") = "7"
    & skf18("1","8","7","2","2","2","1") = "7"
    & skf18("1","8","7","2","2","3","1") = "7"
    & skf18("1","8","7","2","2","4","1") = "7"
    & skf18("1","8","7","2","2","5","1") = "7"
    & skf18("1","8","7","2","2","6","1") = "7"
    & skf18("1","8","7","2","2","7","1") = "7"
    & skf18("1","8","7","2","2","8","1") = "7"
    & skf18("1","8","7","2","2","9","1") = "8"
    & skf18("1","8","7","2","2","10","1") = "9"
    & skf18("1","8","7","2","3","1","1") = "7"
    & skf18("1","8","7","2","3","2","1") = "7"
    & skf18("1","8","7","2","3","3","1") = "7"
    & skf18("1","8","7","2","3","4","1") = "7"
    & skf18("1","8","7","2","3","5","1") = "7"
    & skf18("1","8","7","2","3","6","1") = "7"
    & skf18("1","8","7","2","3","7","1") = "7"
    & skf18("1","8","7","2","3","8","1") = "7"
    & skf18("1","8","7","2","3","9","1") = "8"
    & skf18("1","8","7","2","3","10","1") = "9"
    & skf18("1","8","7","2","4","1","1") = "7"
    & skf18("1","8","7","2","4","2","1") = "7"
    & skf18("1","8","7","2","4","3","1") = "7"
    & skf18("1","8","7","2","4","4","1") = "7"
    & skf18("1","8","7","2","4","5","1") = "7"
    & skf18("1","8","7","2","4","6","1") = "7"
    & skf18("1","8","7","2","4","7","1") = "7"
    & skf18("1","8","7","2","4","8","1") = "7"
    & skf18("1","8","7","2","4","9","1") = "8"
    & skf18("1","8","7","2","4","10","1") = "9"
    & skf18("1","8","7","2","5","1","1") = "7"
    & skf18("1","8","7","2","5","2","1") = "7"
    & skf18("1","8","7","2","5","3","1") = "7"
    & skf18("1","8","7","2","5","4","1") = "7"
    & skf18("1","8","7","2","5","5","1") = "7"
    & skf18("1","8","7","2","5","6","1") = "7"
    & skf18("1","8","7","2","5","7","1") = "7"
    & skf18("1","8","7","2","5","8","1") = "7"
    & skf18("1","8","7","2","5","9","1") = "8"
    & skf18("1","8","7","2","5","10","1") = "9"
    & skf18("1","8","7","2","6","1","1") = "7"
    & skf18("1","8","7","2","6","2","1") = "7"
    & skf18("1","8","7","2","6","3","1") = "7"
    & skf18("1","8","7","2","6","4","1") = "7"
    & skf18("1","8","7","2","6","5","1") = "7"
    & skf18("1","8","7","2","6","6","1") = "7"
    & skf18("1","8","7","2","6","7","1") = "7"
    & skf18("1","8","7","2","6","8","1") = "7"
    & skf18("1","8","7","2","6","9","1") = "8"
    & skf18("1","8","7","2","6","10","1") = "9"
    & skf18("1","8","7","2","7","1","1") = "7"
    & skf18("1","8","7","2","7","2","1") = "7"
    & skf18("1","8","7","2","7","3","1") = "7"
    & skf18("1","8","7","2","7","4","1") = "7"
    & skf18("1","8","7","2","7","5","1") = "7"
    & skf18("1","8","7","2","7","6","1") = "7"
    & skf18("1","8","7","2","7","7","1") = "7"
    & skf18("1","8","7","2","7","8","1") = "7"
    & skf18("1","8","7","2","7","9","1") = "8"
    & skf18("1","8","7","2","7","10","1") = "9"
    & skf18("1","8","7","2","8","1","1") = "7"
    & skf18("1","8","7","2","8","2","1") = "7"
    & skf18("1","8","7","2","8","3","1") = "7"
    & skf18("1","8","7","2","8","4","1") = "7"
    & skf18("1","8","7","2","8","5","1") = "7"
    & skf18("1","8","7","2","8","6","1") = "7"
    & skf18("1","8","7","2","8","7","1") = "7"
    & skf18("1","8","7","2","8","8","1") = "7"
    & skf18("1","8","7","2","8","9","1") = "8"
    & skf18("1","8","7","2","8","10","1") = "9"
    & skf18("1","8","7","2","9","1","1") = "8"
    & skf18("1","8","7","2","9","2","1") = "8"
    & skf18("1","8","7","2","9","3","1") = "8"
    & skf18("1","8","7","2","9","4","1") = "8"
    & skf18("1","8","7","2","9","5","1") = "8"
    & skf18("1","8","7","2","9","6","1") = "8"
    & skf18("1","8","7","2","9","7","1") = "8"
    & skf18("1","8","7","2","9","8","1") = "8"
    & skf18("1","8","7","2","9","9","1") = "8"
    & skf18("1","8","7","2","9","10","1") = "9"
    & skf18("1","8","7","2","10","1","1") = "9"
    & skf18("1","8","7","2","10","2","1") = "9"
    & skf18("1","8","7","2","10","3","1") = "9"
    & skf18("1","8","7","2","10","4","1") = "9"
    & skf18("1","8","7","2","10","5","1") = "9"
    & skf18("1","8","7","2","10","6","1") = "9"
    & skf18("1","8","7","2","10","7","1") = "9"
    & skf18("1","8","7","2","10","8","1") = "9"
    & skf18("1","8","7","2","10","9","1") = "9"
    & skf18("1","8","7","2","10","10","1") = "9"
    & skf18("1","8","7","3","1","1","1") = "7"
    & skf18("1","8","7","3","1","2","1") = "7"
    & skf18("1","8","7","3","1","3","1") = "7"
    & skf18("1","8","7","3","1","4","1") = "7"
    & skf18("1","8","7","3","1","5","1") = "7"
    & skf18("1","8","7","3","1","6","1") = "7"
    & skf18("1","8","7","3","1","7","1") = "7"
    & skf18("1","8","7","3","1","8","1") = "7"
    & skf18("1","8","7","3","1","9","1") = "8"
    & skf18("1","8","7","3","1","10","1") = "9"
    & skf18("1","8","7","3","2","1","1") = "7"
    & skf18("1","8","7","3","2","2","1") = "7"
    & skf18("1","8","7","3","2","3","1") = "7"
    & skf18("1","8","7","3","2","4","1") = "7"
    & skf18("1","8","7","3","2","5","1") = "7"
    & skf18("1","8","7","3","2","6","1") = "7"
    & skf18("1","8","7","3","2","7","1") = "7"
    & skf18("1","8","7","3","2","8","1") = "7"
    & skf18("1","8","7","3","2","9","1") = "8"
    & skf18("1","8","7","3","2","10","1") = "9"
    & skf18("1","8","7","3","3","1","1") = "7"
    & skf18("1","8","7","3","3","2","1") = "7"
    & skf18("1","8","7","3","3","3","1") = "7"
    & skf18("1","8","7","3","3","4","1") = "7"
    & skf18("1","8","7","3","3","5","1") = "7"
    & skf18("1","8","7","3","3","6","1") = "7"
    & skf18("1","8","7","3","3","7","1") = "7"
    & skf18("1","8","7","3","3","8","1") = "7"
    & skf18("1","8","7","3","3","9","1") = "8"
    & skf18("1","8","7","3","3","10","1") = "9"
    & skf18("1","8","7","3","4","1","1") = "7"
    & skf18("1","8","7","3","4","2","1") = "7"
    & skf18("1","8","7","3","4","3","1") = "7"
    & skf18("1","8","7","3","4","4","1") = "7"
    & skf18("1","8","7","3","4","5","1") = "7"
    & skf18("1","8","7","3","4","6","1") = "7"
    & skf18("1","8","7","3","4","7","1") = "7"
    & skf18("1","8","7","3","4","8","1") = "7"
    & skf18("1","8","7","3","4","9","1") = "8"
    & skf18("1","8","7","3","4","10","1") = "9"
    & skf18("1","8","7","3","5","1","1") = "7"
    & skf18("1","8","7","3","5","2","1") = "7"
    & skf18("1","8","7","3","5","3","1") = "7"
    & skf18("1","8","7","3","5","4","1") = "7"
    & skf18("1","8","7","3","5","5","1") = "7"
    & skf18("1","8","7","3","5","6","1") = "7"
    & skf18("1","8","7","3","5","7","1") = "7"
    & skf18("1","8","7","3","5","8","1") = "7"
    & skf18("1","8","7","3","5","9","1") = "8"
    & skf18("1","8","7","3","5","10","1") = "9"
    & skf18("1","8","7","3","6","1","1") = "7"
    & skf18("1","8","7","3","6","2","1") = "7"
    & skf18("1","8","7","3","6","3","1") = "7"
    & skf18("1","8","7","3","6","4","1") = "7"
    & skf18("1","8","7","3","6","5","1") = "7"
    & skf18("1","8","7","3","6","6","1") = "7"
    & skf18("1","8","7","3","6","7","1") = "7"
    & skf18("1","8","7","3","6","8","1") = "7"
    & skf18("1","8","7","3","6","9","1") = "8"
    & skf18("1","8","7","3","6","10","1") = "9"
    & skf18("1","8","7","3","7","1","1") = "7"
    & skf18("1","8","7","3","7","2","1") = "7"
    & skf18("1","8","7","3","7","3","1") = "7"
    & skf18("1","8","7","3","7","4","1") = "7"
    & skf18("1","8","7","3","7","5","1") = "7"
    & skf18("1","8","7","3","7","6","1") = "7"
    & skf18("1","8","7","3","7","7","1") = "7"
    & skf18("1","8","7","3","7","8","1") = "7"
    & skf18("1","8","7","3","7","9","1") = "8"
    & skf18("1","8","7","3","7","10","1") = "9"
    & skf18("1","8","7","3","8","1","1") = "7"
    & skf18("1","8","7","3","8","2","1") = "7"
    & skf18("1","8","7","3","8","3","1") = "7"
    & skf18("1","8","7","3","8","4","1") = "7"
    & skf18("1","8","7","3","8","5","1") = "7"
    & skf18("1","8","7","3","8","6","1") = "7"
    & skf18("1","8","7","3","8","7","1") = "7"
    & skf18("1","8","7","3","8","8","1") = "7"
    & skf18("1","8","7","3","8","9","1") = "8"
    & skf18("1","8","7","3","8","10","1") = "9"
    & skf18("1","8","7","3","9","1","1") = "8"
    & skf18("1","8","7","3","9","2","1") = "8"
    & skf18("1","8","7","3","9","3","1") = "8"
    & skf18("1","8","7","3","9","4","1") = "8"
    & skf18("1","8","7","3","9","5","1") = "8"
    & skf18("1","8","7","3","9","6","1") = "8"
    & skf18("1","8","7","3","9","7","1") = "8"
    & skf18("1","8","7","3","9","8","1") = "8"
    & skf18("1","8","7","3","9","9","1") = "8"
    & skf18("1","8","7","3","9","10","1") = "9"
    & skf18("1","8","7","3","10","1","1") = "9"
    & skf18("1","8","7","3","10","2","1") = "9"
    & skf18("1","8","7","3","10","3","1") = "9"
    & skf18("1","8","7","3","10","4","1") = "9"
    & skf18("1","8","7","3","10","5","1") = "9"
    & skf18("1","8","7","3","10","6","1") = "9"
    & skf18("1","8","7","3","10","7","1") = "9"
    & skf18("1","8","7","3","10","8","1") = "9"
    & skf18("1","8","7","3","10","9","1") = "9"
    & skf18("1","8","7","3","10","10","1") = "9"
    & skf18("1","8","7","4","1","1","1") = "7"
    & skf18("1","8","7","4","1","2","1") = "7"
    & skf18("1","8","7","4","1","3","1") = "7"
    & skf18("1","8","7","4","1","4","1") = "7"
    & skf18("1","8","7","4","1","5","1") = "7"
    & skf18("1","8","7","4","1","6","1") = "7"
    & skf18("1","8","7","4","1","7","1") = "7"
    & skf18("1","8","7","4","1","8","1") = "7"
    & skf18("1","8","7","4","1","9","1") = "8"
    & skf18("1","8","7","4","1","10","1") = "9"
    & skf18("1","8","7","4","2","1","1") = "7"
    & skf18("1","8","7","4","2","2","1") = "7"
    & skf18("1","8","7","4","2","3","1") = "7"
    & skf18("1","8","7","4","2","4","1") = "7"
    & skf18("1","8","7","4","2","5","1") = "7"
    & skf18("1","8","7","4","2","6","1") = "7"
    & skf18("1","8","7","4","2","7","1") = "7"
    & skf18("1","8","7","4","2","8","1") = "7"
    & skf18("1","8","7","4","2","9","1") = "8"
    & skf18("1","8","7","4","2","10","1") = "9"
    & skf18("1","8","7","4","3","1","1") = "7"
    & skf18("1","8","7","4","3","2","1") = "7"
    & skf18("1","8","7","4","3","3","1") = "7"
    & skf18("1","8","7","4","3","4","1") = "7"
    & skf18("1","8","7","4","3","5","1") = "7"
    & skf18("1","8","7","4","3","6","1") = "7"
    & skf18("1","8","7","4","3","7","1") = "7"
    & skf18("1","8","7","4","3","8","1") = "7"
    & skf18("1","8","7","4","3","9","1") = "8"
    & skf18("1","8","7","4","3","10","1") = "9"
    & skf18("1","8","7","4","4","1","1") = "7"
    & skf18("1","8","7","4","4","2","1") = "7"
    & skf18("1","8","7","4","4","3","1") = "7"
    & skf18("1","8","7","4","4","4","1") = "7"
    & skf18("1","8","7","4","4","5","1") = "7"
    & skf18("1","8","7","4","4","6","1") = "7"
    & skf18("1","8","7","4","4","7","1") = "7"
    & skf18("1","8","7","4","4","8","1") = "7"
    & skf18("1","8","7","4","4","9","1") = "8"
    & skf18("1","8","7","4","4","10","1") = "9"
    & skf18("1","8","7","4","5","1","1") = "7"
    & skf18("1","8","7","4","5","2","1") = "7"
    & skf18("1","8","7","4","5","3","1") = "7"
    & skf18("1","8","7","4","5","4","1") = "7"
    & skf18("1","8","7","4","5","5","1") = "7"
    & skf18("1","8","7","4","5","6","1") = "7"
    & skf18("1","8","7","4","5","7","1") = "7"
    & skf18("1","8","7","4","5","8","1") = "7"
    & skf18("1","8","7","4","5","9","1") = "8"
    & skf18("1","8","7","4","5","10","1") = "9"
    & skf18("1","8","7","4","6","1","1") = "7"
    & skf18("1","8","7","4","6","2","1") = "7"
    & skf18("1","8","7","4","6","3","1") = "7"
    & skf18("1","8","7","4","6","4","1") = "7"
    & skf18("1","8","7","4","6","5","1") = "7"
    & skf18("1","8","7","4","6","6","1") = "7"
    & skf18("1","8","7","4","6","7","1") = "7"
    & skf18("1","8","7","4","6","8","1") = "7"
    & skf18("1","8","7","4","6","9","1") = "8"
    & skf18("1","8","7","4","6","10","1") = "9"
    & skf18("1","8","7","4","7","1","1") = "7"
    & skf18("1","8","7","4","7","2","1") = "7"
    & skf18("1","8","7","4","7","3","1") = "7"
    & skf18("1","8","7","4","7","4","1") = "7"
    & skf18("1","8","7","4","7","5","1") = "7"
    & skf18("1","8","7","4","7","6","1") = "7"
    & skf18("1","8","7","4","7","7","1") = "7"
    & skf18("1","8","7","4","7","8","1") = "7"
    & skf18("1","8","7","4","7","9","1") = "8"
    & skf18("1","8","7","4","7","10","1") = "9"
    & skf18("1","8","7","4","8","1","1") = "7"
    & skf18("1","8","7","4","8","2","1") = "7"
    & skf18("1","8","7","4","8","3","1") = "7"
    & skf18("1","8","7","4","8","4","1") = "7"
    & skf18("1","8","7","4","8","5","1") = "7"
    & skf18("1","8","7","4","8","6","1") = "7"
    & skf18("1","8","7","4","8","7","1") = "7"
    & skf18("1","8","7","4","8","8","1") = "7"
    & skf18("1","8","7","4","8","9","1") = "8"
    & skf18("1","8","7","4","8","10","1") = "9"
    & skf18("1","8","7","4","9","1","1") = "8"
    & skf18("1","8","7","4","9","2","1") = "8"
    & skf18("1","8","7","4","9","3","1") = "8"
    & skf18("1","8","7","4","9","4","1") = "8"
    & skf18("1","8","7","4","9","5","1") = "8"
    & skf18("1","8","7","4","9","6","1") = "8"
    & skf18("1","8","7","4","9","7","1") = "8"
    & skf18("1","8","7","4","9","8","1") = "8"
    & skf18("1","8","7","4","9","9","1") = "8"
    & skf18("1","8","7","4","9","10","1") = "9"
    & skf18("1","8","7","4","10","1","1") = "9"
    & skf18("1","8","7","4","10","2","1") = "9"
    & skf18("1","8","7","4","10","3","1") = "9"
    & skf18("1","8","7","4","10","4","1") = "9"
    & skf18("1","8","7","4","10","5","1") = "9"
    & skf18("1","8","7","4","10","6","1") = "9"
    & skf18("1","8","7","4","10","7","1") = "9"
    & skf18("1","8","7","4","10","8","1") = "9"
    & skf18("1","8","7","4","10","9","1") = "9"
    & skf18("1","8","7","4","10","10","1") = "9"
    & skf18("1","8","7","5","1","1","1") = "7"
    & skf18("1","8","7","5","1","2","1") = "7"
    & skf18("1","8","7","5","1","3","1") = "7"
    & skf18("1","8","7","5","1","4","1") = "7"
    & skf18("1","8","7","5","1","5","1") = "7"
    & skf18("1","8","7","5","1","6","1") = "7"
    & skf18("1","8","7","5","1","7","1") = "7"
    & skf18("1","8","7","5","1","8","1") = "7"
    & skf18("1","8","7","5","1","9","1") = "8"
    & skf18("1","8","7","5","1","10","1") = "9"
    & skf18("1","8","7","5","2","1","1") = "7"
    & skf18("1","8","7","5","2","2","1") = "7"
    & skf18("1","8","7","5","2","3","1") = "7"
    & skf18("1","8","7","5","2","4","1") = "7"
    & skf18("1","8","7","5","2","5","1") = "7"
    & skf18("1","8","7","5","2","6","1") = "7"
    & skf18("1","8","7","5","2","7","1") = "7"
    & skf18("1","8","7","5","2","8","1") = "7"
    & skf18("1","8","7","5","2","9","1") = "8"
    & skf18("1","8","7","5","2","10","1") = "9"
    & skf18("1","8","7","5","3","1","1") = "7"
    & skf18("1","8","7","5","3","2","1") = "7"
    & skf18("1","8","7","5","3","3","1") = "7"
    & skf18("1","8","7","5","3","4","1") = "7"
    & skf18("1","8","7","5","3","5","1") = "7"
    & skf18("1","8","7","5","3","6","1") = "7"
    & skf18("1","8","7","5","3","7","1") = "7"
    & skf18("1","8","7","5","3","8","1") = "7"
    & skf18("1","8","7","5","3","9","1") = "8"
    & skf18("1","8","7","5","3","10","1") = "9"
    & skf18("1","8","7","5","4","1","1") = "7"
    & skf18("1","8","7","5","4","2","1") = "7"
    & skf18("1","8","7","5","4","3","1") = "7"
    & skf18("1","8","7","5","4","4","1") = "7"
    & skf18("1","8","7","5","4","5","1") = "7"
    & skf18("1","8","7","5","4","6","1") = "7"
    & skf18("1","8","7","5","4","7","1") = "7"
    & skf18("1","8","7","5","4","8","1") = "7"
    & skf18("1","8","7","5","4","9","1") = "8"
    & skf18("1","8","7","5","4","10","1") = "9"
    & skf18("1","8","7","5","5","1","1") = "7"
    & skf18("1","8","7","5","5","2","1") = "7"
    & skf18("1","8","7","5","5","3","1") = "7"
    & skf18("1","8","7","5","5","4","1") = "7"
    & skf18("1","8","7","5","5","5","1") = "7"
    & skf18("1","8","7","5","5","6","1") = "7"
    & skf18("1","8","7","5","5","7","1") = "7"
    & skf18("1","8","7","5","5","8","1") = "7"
    & skf18("1","8","7","5","5","9","1") = "8"
    & skf18("1","8","7","5","5","10","1") = "9"
    & skf18("1","8","7","5","6","1","1") = "7"
    & skf18("1","8","7","5","6","2","1") = "7"
    & skf18("1","8","7","5","6","3","1") = "7"
    & skf18("1","8","7","5","6","4","1") = "7"
    & skf18("1","8","7","5","6","5","1") = "7"
    & skf18("1","8","7","5","6","6","1") = "7"
    & skf18("1","8","7","5","6","7","1") = "7"
    & skf18("1","8","7","5","6","8","1") = "7"
    & skf18("1","8","7","5","6","9","1") = "8"
    & skf18("1","8","7","5","6","10","1") = "9"
    & skf18("1","8","7","5","7","1","1") = "7"
    & skf18("1","8","7","5","7","2","1") = "7"
    & skf18("1","8","7","5","7","3","1") = "7"
    & skf18("1","8","7","5","7","4","1") = "7"
    & skf18("1","8","7","5","7","5","1") = "7"
    & skf18("1","8","7","5","7","6","1") = "7"
    & skf18("1","8","7","5","7","7","1") = "7"
    & skf18("1","8","7","5","7","8","1") = "7"
    & skf18("1","8","7","5","7","9","1") = "8"
    & skf18("1","8","7","5","7","10","1") = "9"
    & skf18("1","8","7","5","8","1","1") = "7"
    & skf18("1","8","7","5","8","2","1") = "7"
    & skf18("1","8","7","5","8","3","1") = "7"
    & skf18("1","8","7","5","8","4","1") = "7"
    & skf18("1","8","7","5","8","5","1") = "7"
    & skf18("1","8","7","5","8","6","1") = "7"
    & skf18("1","8","7","5","8","7","1") = "7"
    & skf18("1","8","7","5","8","8","1") = "7"
    & skf18("1","8","7","5","8","9","1") = "8"
    & skf18("1","8","7","5","8","10","1") = "9"
    & skf18("1","8","7","5","9","1","1") = "8"
    & skf18("1","8","7","5","9","2","1") = "8"
    & skf18("1","8","7","5","9","3","1") = "8"
    & skf18("1","8","7","5","9","4","1") = "8"
    & skf18("1","8","7","5","9","5","1") = "8"
    & skf18("1","8","7","5","9","6","1") = "8"
    & skf18("1","8","7","5","9","7","1") = "8"
    & skf18("1","8","7","5","9","8","1") = "8"
    & skf18("1","8","7","5","9","9","1") = "8"
    & skf18("1","8","7","5","9","10","1") = "9"
    & skf18("1","8","7","5","10","1","1") = "9"
    & skf18("1","8","7","5","10","2","1") = "9"
    & skf18("1","8","7","5","10","3","1") = "9"
    & skf18("1","8","7","5","10","4","1") = "9"
    & skf18("1","8","7","5","10","5","1") = "9"
    & skf18("1","8","7","5","10","6","1") = "9"
    & skf18("1","8","7","5","10","7","1") = "9"
    & skf18("1","8","7","5","10","8","1") = "9"
    & skf18("1","8","7","5","10","9","1") = "9"
    & skf18("1","8","7","5","10","10","1") = "9"
    & skf18("1","8","7","6","1","1","1") = "7"
    & skf18("1","8","7","6","1","2","1") = "7"
    & skf18("1","8","7","6","1","3","1") = "7"
    & skf18("1","8","7","6","1","4","1") = "7"
    & skf18("1","8","7","6","1","5","1") = "7"
    & skf18("1","8","7","6","1","6","1") = "7"
    & skf18("1","8","7","6","1","7","1") = "7"
    & skf18("1","8","7","6","1","8","1") = "7"
    & skf18("1","8","7","6","1","9","1") = "8"
    & skf18("1","8","7","6","1","10","1") = "9"
    & skf18("1","8","7","6","2","1","1") = "7"
    & skf18("1","8","7","6","2","2","1") = "7"
    & skf18("1","8","7","6","2","3","1") = "7"
    & skf18("1","8","7","6","2","4","1") = "7"
    & skf18("1","8","7","6","2","5","1") = "7"
    & skf18("1","8","7","6","2","6","1") = "7"
    & skf18("1","8","7","6","2","7","1") = "7"
    & skf18("1","8","7","6","2","8","1") = "7"
    & skf18("1","8","7","6","2","9","1") = "8"
    & skf18("1","8","7","6","2","10","1") = "9"
    & skf18("1","8","7","6","3","1","1") = "7"
    & skf18("1","8","7","6","3","2","1") = "7"
    & skf18("1","8","7","6","3","3","1") = "7"
    & skf18("1","8","7","6","3","4","1") = "7"
    & skf18("1","8","7","6","3","5","1") = "7"
    & skf18("1","8","7","6","3","6","1") = "7"
    & skf18("1","8","7","6","3","7","1") = "7"
    & skf18("1","8","7","6","3","8","1") = "7"
    & skf18("1","8","7","6","3","9","1") = "8"
    & skf18("1","8","7","6","3","10","1") = "9"
    & skf18("1","8","7","6","4","1","1") = "7"
    & skf18("1","8","7","6","4","2","1") = "7"
    & skf18("1","8","7","6","4","3","1") = "7"
    & skf18("1","8","7","6","4","4","1") = "7"
    & skf18("1","8","7","6","4","5","1") = "7"
    & skf18("1","8","7","6","4","6","1") = "7"
    & skf18("1","8","7","6","4","7","1") = "7"
    & skf18("1","8","7","6","4","8","1") = "7"
    & skf18("1","8","7","6","4","9","1") = "8"
    & skf18("1","8","7","6","4","10","1") = "9"
    & skf18("1","8","7","6","5","1","1") = "7"
    & skf18("1","8","7","6","5","2","1") = "7"
    & skf18("1","8","7","6","5","3","1") = "7"
    & skf18("1","8","7","6","5","4","1") = "7"
    & skf18("1","8","7","6","5","5","1") = "7"
    & skf18("1","8","7","6","5","6","1") = "7"
    & skf18("1","8","7","6","5","7","1") = "7"
    & skf18("1","8","7","6","5","8","1") = "7"
    & skf18("1","8","7","6","5","9","1") = "8"
    & skf18("1","8","7","6","5","10","1") = "9"
    & skf18("1","8","7","6","6","1","1") = "7"
    & skf18("1","8","7","6","6","2","1") = "7"
    & skf18("1","8","7","6","6","3","1") = "7"
    & skf18("1","8","7","6","6","4","1") = "7"
    & skf18("1","8","7","6","6","5","1") = "7"
    & skf18("1","8","7","6","6","6","1") = "7"
    & skf18("1","8","7","6","6","7","1") = "7"
    & skf18("1","8","7","6","6","8","1") = "7"
    & skf18("1","8","7","6","6","9","1") = "8"
    & skf18("1","8","7","6","6","10","1") = "9"
    & skf18("1","8","7","6","7","1","1") = "7"
    & skf18("1","8","7","6","7","2","1") = "7"
    & skf18("1","8","7","6","7","3","1") = "7"
    & skf18("1","8","7","6","7","4","1") = "7"
    & skf18("1","8","7","6","7","5","1") = "7"
    & skf18("1","8","7","6","7","6","1") = "7"
    & skf18("1","8","7","6","7","7","1") = "7"
    & skf18("1","8","7","6","7","8","1") = "7"
    & skf18("1","8","7","6","7","9","1") = "8"
    & skf18("1","8","7","6","7","10","1") = "9"
    & skf18("1","8","7","6","8","1","1") = "7"
    & skf18("1","8","7","6","8","2","1") = "7"
    & skf18("1","8","7","6","8","3","1") = "7"
    & skf18("1","8","7","6","8","4","1") = "7"
    & skf18("1","8","7","6","8","5","1") = "7"
    & skf18("1","8","7","6","8","6","1") = "7"
    & skf18("1","8","7","6","8","7","1") = "7"
    & skf18("1","8","7","6","8","8","1") = "7"
    & skf18("1","8","7","6","8","9","1") = "8"
    & skf18("1","8","7","6","8","10","1") = "9"
    & skf18("1","8","7","6","9","1","1") = "8"
    & skf18("1","8","7","6","9","2","1") = "8"
    & skf18("1","8","7","6","9","3","1") = "8"
    & skf18("1","8","7","6","9","4","1") = "8"
    & skf18("1","8","7","6","9","5","1") = "8"
    & skf18("1","8","7","6","9","6","1") = "8"
    & skf18("1","8","7","6","9","7","1") = "8"
    & skf18("1","8","7","6","9","8","1") = "8"
    & skf18("1","8","7","6","9","9","1") = "8"
    & skf18("1","8","7","6","9","10","1") = "9"
    & skf18("1","8","7","6","10","1","1") = "9"
    & skf18("1","8","7","6","10","2","1") = "9"
    & skf18("1","8","7","6","10","3","1") = "9"
    & skf18("1","8","7","6","10","4","1") = "9"
    & skf18("1","8","7","6","10","5","1") = "9"
    & skf18("1","8","7","6","10","6","1") = "9"
    & skf18("1","8","7","6","10","7","1") = "9"
    & skf18("1","8","7","6","10","8","1") = "9"
    & skf18("1","8","7","6","10","9","1") = "9"
    & skf18("1","8","7","6","10","10","1") = "9"
    & skf18("1","8","7","7","1","1","1") = "7"
    & skf18("1","8","7","7","1","2","1") = "7"
    & skf18("1","8","7","7","1","3","1") = "7"
    & skf18("1","8","7","7","1","4","1") = "7"
    & skf18("1","8","7","7","1","5","1") = "7"
    & skf18("1","8","7","7","1","6","1") = "7"
    & skf18("1","8","7","7","1","7","1") = "7"
    & skf18("1","8","7","7","1","8","1") = "7"
    & skf18("1","8","7","7","1","9","1") = "8"
    & skf18("1","8","7","7","1","10","1") = "9"
    & skf18("1","8","7","7","2","1","1") = "7"
    & skf18("1","8","7","7","2","2","1") = "7"
    & skf18("1","8","7","7","2","3","1") = "7"
    & skf18("1","8","7","7","2","4","1") = "7"
    & skf18("1","8","7","7","2","5","1") = "7"
    & skf18("1","8","7","7","2","6","1") = "7"
    & skf18("1","8","7","7","2","7","1") = "7"
    & skf18("1","8","7","7","2","8","1") = "7"
    & skf18("1","8","7","7","2","9","1") = "8"
    & skf18("1","8","7","7","2","10","1") = "9"
    & skf18("1","8","7","7","3","1","1") = "7"
    & skf18("1","8","7","7","3","2","1") = "7"
    & skf18("1","8","7","7","3","3","1") = "7"
    & skf18("1","8","7","7","3","4","1") = "7"
    & skf18("1","8","7","7","3","5","1") = "7"
    & skf18("1","8","7","7","3","6","1") = "7"
    & skf18("1","8","7","7","3","7","1") = "7"
    & skf18("1","8","7","7","3","8","1") = "7"
    & skf18("1","8","7","7","3","9","1") = "8"
    & skf18("1","8","7","7","3","10","1") = "9"
    & skf18("1","8","7","7","4","1","1") = "7"
    & skf18("1","8","7","7","4","2","1") = "7"
    & skf18("1","8","7","7","4","3","1") = "7"
    & skf18("1","8","7","7","4","4","1") = "7"
    & skf18("1","8","7","7","4","5","1") = "7"
    & skf18("1","8","7","7","4","6","1") = "7"
    & skf18("1","8","7","7","4","7","1") = "7"
    & skf18("1","8","7","7","4","8","1") = "7"
    & skf18("1","8","7","7","4","9","1") = "8"
    & skf18("1","8","7","7","4","10","1") = "9"
    & skf18("1","8","7","7","5","1","1") = "7"
    & skf18("1","8","7","7","5","2","1") = "7"
    & skf18("1","8","7","7","5","3","1") = "7"
    & skf18("1","8","7","7","5","4","1") = "7"
    & skf18("1","8","7","7","5","5","1") = "7"
    & skf18("1","8","7","7","5","6","1") = "7"
    & skf18("1","8","7","7","5","7","1") = "7"
    & skf18("1","8","7","7","5","8","1") = "7"
    & skf18("1","8","7","7","5","9","1") = "8"
    & skf18("1","8","7","7","5","10","1") = "9"
    & skf18("1","8","7","7","6","1","1") = "7"
    & skf18("1","8","7","7","6","2","1") = "7"
    & skf18("1","8","7","7","6","3","1") = "7"
    & skf18("1","8","7","7","6","4","1") = "7"
    & skf18("1","8","7","7","6","5","1") = "7"
    & skf18("1","8","7","7","6","6","1") = "7"
    & skf18("1","8","7","7","6","7","1") = "7"
    & skf18("1","8","7","7","6","8","1") = "7"
    & skf18("1","8","7","7","6","9","1") = "8"
    & skf18("1","8","7","7","6","10","1") = "9"
    & skf18("1","8","7","7","7","1","1") = "7"
    & skf18("1","8","7","7","7","2","1") = "7"
    & skf18("1","8","7","7","7","3","1") = "7"
    & skf18("1","8","7","7","7","4","1") = "7"
    & skf18("1","8","7","7","7","5","1") = "7"
    & skf18("1","8","7","7","7","6","1") = "7"
    & skf18("1","8","7","7","7","7","1") = "7"
    & skf18("1","8","7","7","7","8","1") = "7"
    & skf18("1","8","7","7","7","9","1") = "8"
    & skf18("1","8","7","7","7","10","1") = "9"
    & skf18("1","8","7","7","8","1","1") = "7"
    & skf18("1","8","7","7","8","2","1") = "7"
    & skf18("1","8","7","7","8","3","1") = "7"
    & skf18("1","8","7","7","8","4","1") = "7"
    & skf18("1","8","7","7","8","5","1") = "7"
    & skf18("1","8","7","7","8","6","1") = "7"
    & skf18("1","8","7","7","8","7","1") = "7"
    & skf18("1","8","7","7","8","8","1") = "7"
    & skf18("1","8","7","7","8","9","1") = "8"
    & skf18("1","8","7","7","8","10","1") = "9"
    & skf18("1","8","7","7","9","1","1") = "8"
    & skf18("1","8","7","7","9","2","1") = "8"
    & skf18("1","8","7","7","9","3","1") = "8"
    & skf18("1","8","7","7","9","4","1") = "8"
    & skf18("1","8","7","7","9","5","1") = "8"
    & skf18("1","8","7","7","9","6","1") = "8"
    & skf18("1","8","7","7","9","7","1") = "8"
    & skf18("1","8","7","7","9","8","1") = "8"
    & skf18("1","8","7","7","9","9","1") = "8"
    & skf18("1","8","7","7","9","10","1") = "9"
    & skf18("1","8","7","7","10","1","1") = "9"
    & skf18("1","8","7","7","10","2","1") = "9"
    & skf18("1","8","7","7","10","3","1") = "9"
    & skf18("1","8","7","7","10","4","1") = "9"
    & skf18("1","8","7","7","10","5","1") = "9"
    & skf18("1","8","7","7","10","6","1") = "9"
    & skf18("1","8","7","7","10","7","1") = "9"
    & skf18("1","8","7","7","10","8","1") = "9"
    & skf18("1","8","7","7","10","9","1") = "9"
    & skf18("1","8","7","7","10","10","1") = "9"
    & skf18("1","8","7","8","1","1","1") = "7"
    & skf18("1","8","7","8","1","2","1") = "7"
    & skf18("1","8","7","8","1","3","1") = "7"
    & skf18("1","8","7","8","1","4","1") = "7"
    & skf18("1","8","7","8","1","5","1") = "7"
    & skf18("1","8","7","8","1","6","1") = "7"
    & skf18("1","8","7","8","1","7","1") = "7"
    & skf18("1","8","7","8","1","8","1") = "7"
    & skf18("1","8","7","8","1","9","1") = "8"
    & skf18("1","8","7","8","1","10","1") = "9"
    & skf18("1","8","7","8","2","1","1") = "7"
    & skf18("1","8","7","8","2","2","1") = "7"
    & skf18("1","8","7","8","2","3","1") = "7"
    & skf18("1","8","7","8","2","4","1") = "7"
    & skf18("1","8","7","8","2","5","1") = "7"
    & skf18("1","8","7","8","2","6","1") = "7"
    & skf18("1","8","7","8","2","7","1") = "7"
    & skf18("1","8","7","8","2","8","1") = "7"
    & skf18("1","8","7","8","2","9","1") = "8"
    & skf18("1","8","7","8","2","10","1") = "9"
    & skf18("1","8","7","8","3","1","1") = "7"
    & skf18("1","8","7","8","3","2","1") = "7"
    & skf18("1","8","7","8","3","3","1") = "7"
    & skf18("1","8","7","8","3","4","1") = "7"
    & skf18("1","8","7","8","3","5","1") = "7"
    & skf18("1","8","7","8","3","6","1") = "7"
    & skf18("1","8","7","8","3","7","1") = "7"
    & skf18("1","8","7","8","3","8","1") = "7"
    & skf18("1","8","7","8","3","9","1") = "8"
    & skf18("1","8","7","8","3","10","1") = "9"
    & skf18("1","8","7","8","4","1","1") = "7"
    & skf18("1","8","7","8","4","2","1") = "7"
    & skf18("1","8","7","8","4","3","1") = "7"
    & skf18("1","8","7","8","4","4","1") = "7"
    & skf18("1","8","7","8","4","5","1") = "7"
    & skf18("1","8","7","8","4","6","1") = "7"
    & skf18("1","8","7","8","4","7","1") = "7"
    & skf18("1","8","7","8","4","8","1") = "7"
    & skf18("1","8","7","8","4","9","1") = "8"
    & skf18("1","8","7","8","4","10","1") = "9"
    & skf18("1","8","7","8","5","1","1") = "7"
    & skf18("1","8","7","8","5","2","1") = "7"
    & skf18("1","8","7","8","5","3","1") = "7"
    & skf18("1","8","7","8","5","4","1") = "7"
    & skf18("1","8","7","8","5","5","1") = "7"
    & skf18("1","8","7","8","5","6","1") = "7"
    & skf18("1","8","7","8","5","7","1") = "7"
    & skf18("1","8","7","8","5","8","1") = "7"
    & skf18("1","8","7","8","5","9","1") = "8"
    & skf18("1","8","7","8","5","10","1") = "9"
    & skf18("1","8","7","8","6","1","1") = "7"
    & skf18("1","8","7","8","6","2","1") = "7"
    & skf18("1","8","7","8","6","3","1") = "7"
    & skf18("1","8","7","8","6","4","1") = "7"
    & skf18("1","8","7","8","6","5","1") = "7"
    & skf18("1","8","7","8","6","6","1") = "7"
    & skf18("1","8","7","8","6","7","1") = "7"
    & skf18("1","8","7","8","6","8","1") = "7"
    & skf18("1","8","7","8","6","9","1") = "8"
    & skf18("1","8","7","8","6","10","1") = "9"
    & skf18("1","8","7","8","7","1","1") = "7"
    & skf18("1","8","7","8","7","2","1") = "7"
    & skf18("1","8","7","8","7","3","1") = "7"
    & skf18("1","8","7","8","7","4","1") = "7"
    & skf18("1","8","7","8","7","5","1") = "7"
    & skf18("1","8","7","8","7","6","1") = "7"
    & skf18("1","8","7","8","7","7","1") = "7"
    & skf18("1","8","7","8","7","8","1") = "7"
    & skf18("1","8","7","8","7","9","1") = "8"
    & skf18("1","8","7","8","7","10","1") = "9"
    & skf18("1","8","7","8","8","1","1") = "7"
    & skf18("1","8","7","8","8","2","1") = "7"
    & skf18("1","8","7","8","8","3","1") = "7"
    & skf18("1","8","7","8","8","4","1") = "7"
    & skf18("1","8","7","8","8","5","1") = "7"
    & skf18("1","8","7","8","8","6","1") = "7"
    & skf18("1","8","7","8","8","7","1") = "7"
    & skf18("1","8","7","8","8","8","1") = "7"
    & skf18("1","8","7","8","8","9","1") = "8"
    & skf18("1","8","7","8","8","10","1") = "9"
    & skf18("1","8","7","8","9","1","1") = "8"
    & skf18("1","8","7","8","9","2","1") = "8"
    & skf18("1","8","7","8","9","3","1") = "8"
    & skf18("1","8","7","8","9","4","1") = "8"
    & skf18("1","8","7","8","9","5","1") = "8"
    & skf18("1","8","7","8","9","6","1") = "8"
    & skf18("1","8","7","8","9","7","1") = "8"
    & skf18("1","8","7","8","9","8","1") = "8"
    & skf18("1","8","7","8","9","9","1") = "8"
    & skf18("1","8","7","8","9","10","1") = "9"
    & skf18("1","8","7","8","10","1","1") = "9"
    & skf18("1","8","7","8","10","2","1") = "9"
    & skf18("1","8","7","8","10","3","1") = "9"
    & skf18("1","8","7","8","10","4","1") = "9"
    & skf18("1","8","7","8","10","5","1") = "9"
    & skf18("1","8","7","8","10","6","1") = "9"
    & skf18("1","8","7","8","10","7","1") = "9"
    & skf18("1","8","7","8","10","8","1") = "9"
    & skf18("1","8","7","8","10","9","1") = "9"
    & skf18("1","8","7","8","10","10","1") = "9"
    & skf18("1","8","7","9","1","1","1") = "8"
    & skf18("1","8","7","9","1","2","1") = "8"
    & skf18("1","8","7","9","1","3","1") = "8"
    & skf18("1","8","7","9","1","4","1") = "8"
    & skf18("1","8","7","9","1","5","1") = "8"
    & skf18("1","8","7","9","1","6","1") = "8"
    & skf18("1","8","7","9","1","7","1") = "8"
    & skf18("1","8","7","9","1","8","1") = "8"
    & skf18("1","8","7","9","1","9","1") = "8"
    & skf18("1","8","7","9","1","10","1") = "9"
    & skf18("1","8","7","9","2","1","1") = "8"
    & skf18("1","8","7","9","2","2","1") = "8"
    & skf18("1","8","7","9","2","3","1") = "8"
    & skf18("1","8","7","9","2","4","1") = "8"
    & skf18("1","8","7","9","2","5","1") = "8"
    & skf18("1","8","7","9","2","6","1") = "8"
    & skf18("1","8","7","9","2","7","1") = "8"
    & skf18("1","8","7","9","2","8","1") = "8"
    & skf18("1","8","7","9","2","9","1") = "8"
    & skf18("1","8","7","9","2","10","1") = "9"
    & skf18("1","8","7","9","3","1","1") = "8"
    & skf18("1","8","7","9","3","2","1") = "8"
    & skf18("1","8","7","9","3","3","1") = "8"
    & skf18("1","8","7","9","3","4","1") = "8"
    & skf18("1","8","7","9","3","5","1") = "8"
    & skf18("1","8","7","9","3","6","1") = "8"
    & skf18("1","8","7","9","3","7","1") = "8"
    & skf18("1","8","7","9","3","8","1") = "8"
    & skf18("1","8","7","9","3","9","1") = "8"
    & skf18("1","8","7","9","3","10","1") = "9"
    & skf18("1","8","7","9","4","1","1") = "8"
    & skf18("1","8","7","9","4","2","1") = "8"
    & skf18("1","8","7","9","4","3","1") = "8"
    & skf18("1","8","7","9","4","4","1") = "8"
    & skf18("1","8","7","9","4","5","1") = "8"
    & skf18("1","8","7","9","4","6","1") = "8"
    & skf18("1","8","7","9","4","7","1") = "8"
    & skf18("1","8","7","9","4","8","1") = "8"
    & skf18("1","8","7","9","4","9","1") = "8"
    & skf18("1","8","7","9","4","10","1") = "9"
    & skf18("1","8","7","9","5","1","1") = "8"
    & skf18("1","8","7","9","5","2","1") = "8"
    & skf18("1","8","7","9","5","3","1") = "8"
    & skf18("1","8","7","9","5","4","1") = "8"
    & skf18("1","8","7","9","5","5","1") = "8"
    & skf18("1","8","7","9","5","6","1") = "8"
    & skf18("1","8","7","9","5","7","1") = "8"
    & skf18("1","8","7","9","5","8","1") = "8"
    & skf18("1","8","7","9","5","9","1") = "8"
    & skf18("1","8","7","9","5","10","1") = "9"
    & skf18("1","8","7","9","6","1","1") = "8"
    & skf18("1","8","7","9","6","2","1") = "8"
    & skf18("1","8","7","9","6","3","1") = "8"
    & skf18("1","8","7","9","6","4","1") = "8"
    & skf18("1","8","7","9","6","5","1") = "8"
    & skf18("1","8","7","9","6","6","1") = "8"
    & skf18("1","8","7","9","6","7","1") = "8"
    & skf18("1","8","7","9","6","8","1") = "8"
    & skf18("1","8","7","9","6","9","1") = "8"
    & skf18("1","8","7","9","6","10","1") = "9"
    & skf18("1","8","7","9","7","1","1") = "8"
    & skf18("1","8","7","9","7","2","1") = "8"
    & skf18("1","8","7","9","7","3","1") = "8"
    & skf18("1","8","7","9","7","4","1") = "8"
    & skf18("1","8","7","9","7","5","1") = "8"
    & skf18("1","8","7","9","7","6","1") = "8"
    & skf18("1","8","7","9","7","7","1") = "8"
    & skf18("1","8","7","9","7","8","1") = "8"
    & skf18("1","8","7","9","7","9","1") = "8"
    & skf18("1","8","7","9","7","10","1") = "9"
    & skf18("1","8","7","9","8","1","1") = "8"
    & skf18("1","8","7","9","8","2","1") = "8"
    & skf18("1","8","7","9","8","3","1") = "8"
    & skf18("1","8","7","9","8","4","1") = "8"
    & skf18("1","8","7","9","8","5","1") = "8"
    & skf18("1","8","7","9","8","6","1") = "8"
    & skf18("1","8","7","9","8","7","1") = "8"
    & skf18("1","8","7","9","8","8","1") = "8"
    & skf18("1","8","7","9","8","9","1") = "8"
    & skf18("1","8","7","9","8","10","1") = "9"
    & skf18("1","8","7","9","9","1","1") = "8"
    & skf18("1","8","7","9","9","2","1") = "8"
    & skf18("1","8","7","9","9","3","1") = "8"
    & skf18("1","8","7","9","9","4","1") = "8"
    & skf18("1","8","7","9","9","5","1") = "8"
    & skf18("1","8","7","9","9","6","1") = "8"
    & skf18("1","8","7","9","9","7","1") = "8"
    & skf18("1","8","7","9","9","8","1") = "8"
    & skf18("1","8","7","9","9","9","1") = "8"
    & skf18("1","8","7","9","9","10","1") = "9"
    & skf18("1","8","7","9","10","1","1") = "9"
    & skf18("1","8","7","9","10","2","1") = "9"
    & skf18("1","8","7","9","10","3","1") = "9"
    & skf18("1","8","7","9","10","4","1") = "9"
    & skf18("1","8","7","9","10","5","1") = "9"
    & skf18("1","8","7","9","10","6","1") = "9"
    & skf18("1","8","7","9","10","7","1") = "9"
    & skf18("1","8","7","9","10","8","1") = "9"
    & skf18("1","8","7","9","10","9","1") = "9"
    & skf18("1","8","7","9","10","10","1") = "9"
    & skf18("1","8","7","10","1","1","1") = "9"
    & skf18("1","8","7","10","1","2","1") = "9"
    & skf18("1","8","7","10","1","3","1") = "9"
    & skf18("1","8","7","10","1","4","1") = "9"
    & skf18("1","8","7","10","1","5","1") = "9"
    & skf18("1","8","7","10","1","6","1") = "9"
    & skf18("1","8","7","10","1","7","1") = "9"
    & skf18("1","8","7","10","1","8","1") = "9"
    & skf18("1","8","7","10","1","9","1") = "9"
    & skf18("1","8","7","10","1","10","1") = "9"
    & skf18("1","8","7","10","2","1","1") = "9"
    & skf18("1","8","7","10","2","2","1") = "9"
    & skf18("1","8","7","10","2","3","1") = "9"
    & skf18("1","8","7","10","2","4","1") = "9"
    & skf18("1","8","7","10","2","5","1") = "9"
    & skf18("1","8","7","10","2","6","1") = "9"
    & skf18("1","8","7","10","2","7","1") = "9"
    & skf18("1","8","7","10","2","8","1") = "9"
    & skf18("1","8","7","10","2","9","1") = "9"
    & skf18("1","8","7","10","2","10","1") = "9"
    & skf18("1","8","7","10","3","1","1") = "9"
    & skf18("1","8","7","10","3","2","1") = "9"
    & skf18("1","8","7","10","3","3","1") = "9"
    & skf18("1","8","7","10","3","4","1") = "9"
    & skf18("1","8","7","10","3","5","1") = "9"
    & skf18("1","8","7","10","3","6","1") = "9"
    & skf18("1","8","7","10","3","7","1") = "9"
    & skf18("1","8","7","10","3","8","1") = "9"
    & skf18("1","8","7","10","3","9","1") = "9"
    & skf18("1","8","7","10","3","10","1") = "9"
    & skf18("1","8","7","10","4","1","1") = "9"
    & skf18("1","8","7","10","4","2","1") = "9"
    & skf18("1","8","7","10","4","3","1") = "9"
    & skf18("1","8","7","10","4","4","1") = "9"
    & skf18("1","8","7","10","4","5","1") = "9"
    & skf18("1","8","7","10","4","6","1") = "9"
    & skf18("1","8","7","10","4","7","1") = "9"
    & skf18("1","8","7","10","4","8","1") = "9"
    & skf18("1","8","7","10","4","9","1") = "9"
    & skf18("1","8","7","10","4","10","1") = "9"
    & skf18("1","8","7","10","5","1","1") = "9"
    & skf18("1","8","7","10","5","2","1") = "9"
    & skf18("1","8","7","10","5","3","1") = "9"
    & skf18("1","8","7","10","5","4","1") = "9"
    & skf18("1","8","7","10","5","5","1") = "9"
    & skf18("1","8","7","10","5","6","1") = "9"
    & skf18("1","8","7","10","5","7","1") = "9"
    & skf18("1","8","7","10","5","8","1") = "9"
    & skf18("1","8","7","10","5","9","1") = "9"
    & skf18("1","8","7","10","5","10","1") = "9"
    & skf18("1","8","7","10","6","1","1") = "9"
    & skf18("1","8","7","10","6","2","1") = "9"
    & skf18("1","8","7","10","6","3","1") = "9"
    & skf18("1","8","7","10","6","4","1") = "9"
    & skf18("1","8","7","10","6","5","1") = "9"
    & skf18("1","8","7","10","6","6","1") = "9"
    & skf18("1","8","7","10","6","7","1") = "9"
    & skf18("1","8","7","10","6","8","1") = "9"
    & skf18("1","8","7","10","6","9","1") = "9"
    & skf18("1","8","7","10","6","10","1") = "9"
    & skf18("1","8","7","10","7","1","1") = "9"
    & skf18("1","8","7","10","7","2","1") = "9"
    & skf18("1","8","7","10","7","3","1") = "9"
    & skf18("1","8","7","10","7","4","1") = "9"
    & skf18("1","8","7","10","7","5","1") = "9"
    & skf18("1","8","7","10","7","6","1") = "9"
    & skf18("1","8","7","10","7","7","1") = "9"
    & skf18("1","8","7","10","7","8","1") = "9"
    & skf18("1","8","7","10","7","9","1") = "9"
    & skf18("1","8","7","10","7","10","1") = "9"
    & skf18("1","8","7","10","8","1","1") = "9"
    & skf18("1","8","7","10","8","2","1") = "9"
    & skf18("1","8","7","10","8","3","1") = "9"
    & skf18("1","8","7","10","8","4","1") = "9"
    & skf18("1","8","7","10","8","5","1") = "9"
    & skf18("1","8","7","10","8","6","1") = "9"
    & skf18("1","8","7","10","8","7","1") = "9"
    & skf18("1","8","7","10","8","8","1") = "9"
    & skf18("1","8","7","10","8","9","1") = "9"
    & skf18("1","8","7","10","8","10","1") = "9"
    & skf18("1","8","7","10","9","1","1") = "9"
    & skf18("1","8","7","10","9","2","1") = "9"
    & skf18("1","8","7","10","9","3","1") = "9"
    & skf18("1","8","7","10","9","4","1") = "9"
    & skf18("1","8","7","10","9","5","1") = "9"
    & skf18("1","8","7","10","9","6","1") = "9"
    & skf18("1","8","7","10","9","7","1") = "9"
    & skf18("1","8","7","10","9","8","1") = "9"
    & skf18("1","8","7","10","9","9","1") = "9"
    & skf18("1","8","7","10","9","10","1") = "9"
    & skf18("1","8","7","10","10","1","1") = "9"
    & skf18("1","8","7","10","10","2","1") = "9"
    & skf18("1","8","7","10","10","3","1") = "9"
    & skf18("1","8","7","10","10","4","1") = "9"
    & skf18("1","8","7","10","10","5","1") = "9"
    & skf18("1","8","7","10","10","6","1") = "9"
    & skf18("1","8","7","10","10","7","1") = "9"
    & skf18("1","8","7","10","10","8","1") = "9"
    & skf18("1","8","7","10","10","9","1") = "9"
    & skf18("1","8","7","10","10","10","1") = "9"
    & skf18("1","8","8","1","1","1","1") = "7"
    & skf18("1","8","8","1","1","2","1") = "7"
    & skf18("1","8","8","1","1","3","1") = "7"
    & skf18("1","8","8","1","1","4","1") = "7"
    & skf18("1","8","8","1","1","5","1") = "7"
    & skf18("1","8","8","1","1","6","1") = "7"
    & skf18("1","8","8","1","1","7","1") = "7"
    & skf18("1","8","8","1","1","8","1") = "7"
    & skf18("1","8","8","1","1","9","1") = "8"
    & skf18("1","8","8","1","1","10","1") = "9"
    & skf18("1","8","8","1","2","1","1") = "7"
    & skf18("1","8","8","1","2","2","1") = "7"
    & skf18("1","8","8","1","2","3","1") = "7"
    & skf18("1","8","8","1","2","4","1") = "7"
    & skf18("1","8","8","1","2","5","1") = "7"
    & skf18("1","8","8","1","2","6","1") = "7"
    & skf18("1","8","8","1","2","7","1") = "7"
    & skf18("1","8","8","1","2","8","1") = "7"
    & skf18("1","8","8","1","2","9","1") = "8"
    & skf18("1","8","8","1","2","10","1") = "9"
    & skf18("1","8","8","1","3","1","1") = "7"
    & skf18("1","8","8","1","3","2","1") = "7"
    & skf18("1","8","8","1","3","3","1") = "7"
    & skf18("1","8","8","1","3","4","1") = "7"
    & skf18("1","8","8","1","3","5","1") = "7"
    & skf18("1","8","8","1","3","6","1") = "7"
    & skf18("1","8","8","1","3","7","1") = "7"
    & skf18("1","8","8","1","3","8","1") = "7"
    & skf18("1","8","8","1","3","9","1") = "8"
    & skf18("1","8","8","1","3","10","1") = "9"
    & skf18("1","8","8","1","4","1","1") = "7"
    & skf18("1","8","8","1","4","2","1") = "7"
    & skf18("1","8","8","1","4","3","1") = "7"
    & skf18("1","8","8","1","4","4","1") = "7"
    & skf18("1","8","8","1","4","5","1") = "7"
    & skf18("1","8","8","1","4","6","1") = "7"
    & skf18("1","8","8","1","4","7","1") = "7"
    & skf18("1","8","8","1","4","8","1") = "7"
    & skf18("1","8","8","1","4","9","1") = "8"
    & skf18("1","8","8","1","4","10","1") = "9"
    & skf18("1","8","8","1","5","1","1") = "7"
    & skf18("1","8","8","1","5","2","1") = "7"
    & skf18("1","8","8","1","5","3","1") = "7"
    & skf18("1","8","8","1","5","4","1") = "7"
    & skf18("1","8","8","1","5","5","1") = "7"
    & skf18("1","8","8","1","5","6","1") = "7"
    & skf18("1","8","8","1","5","7","1") = "7"
    & skf18("1","8","8","1","5","8","1") = "7"
    & skf18("1","8","8","1","5","9","1") = "8"
    & skf18("1","8","8","1","5","10","1") = "9"
    & skf18("1","8","8","1","6","1","1") = "7"
    & skf18("1","8","8","1","6","2","1") = "7"
    & skf18("1","8","8","1","6","3","1") = "7"
    & skf18("1","8","8","1","6","4","1") = "7"
    & skf18("1","8","8","1","6","5","1") = "7"
    & skf18("1","8","8","1","6","6","1") = "7"
    & skf18("1","8","8","1","6","7","1") = "7"
    & skf18("1","8","8","1","6","8","1") = "7"
    & skf18("1","8","8","1","6","9","1") = "8"
    & skf18("1","8","8","1","6","10","1") = "9"
    & skf18("1","8","8","1","7","1","1") = "7"
    & skf18("1","8","8","1","7","2","1") = "7"
    & skf18("1","8","8","1","7","3","1") = "7"
    & skf18("1","8","8","1","7","4","1") = "7"
    & skf18("1","8","8","1","7","5","1") = "7"
    & skf18("1","8","8","1","7","6","1") = "7"
    & skf18("1","8","8","1","7","7","1") = "7"
    & skf18("1","8","8","1","7","8","1") = "7"
    & skf18("1","8","8","1","7","9","1") = "8"
    & skf18("1","8","8","1","7","10","1") = "9"
    & skf18("1","8","8","1","8","1","1") = "7"
    & skf18("1","8","8","1","8","2","1") = "7"
    & skf18("1","8","8","1","8","3","1") = "7"
    & skf18("1","8","8","1","8","4","1") = "7"
    & skf18("1","8","8","1","8","5","1") = "7"
    & skf18("1","8","8","1","8","6","1") = "7"
    & skf18("1","8","8","1","8","7","1") = "7"
    & skf18("1","8","8","1","8","8","1") = "7"
    & skf18("1","8","8","1","8","9","1") = "8"
    & skf18("1","8","8","1","8","10","1") = "9"
    & skf18("1","8","8","1","9","1","1") = "8"
    & skf18("1","8","8","1","9","2","1") = "8"
    & skf18("1","8","8","1","9","3","1") = "8"
    & skf18("1","8","8","1","9","4","1") = "8"
    & skf18("1","8","8","1","9","5","1") = "8"
    & skf18("1","8","8","1","9","6","1") = "8"
    & skf18("1","8","8","1","9","7","1") = "8"
    & skf18("1","8","8","1","9","8","1") = "8"
    & skf18("1","8","8","1","9","9","1") = "8"
    & skf18("1","8","8","1","9","10","1") = "9"
    & skf18("1","8","8","1","10","1","1") = "9"
    & skf18("1","8","8","1","10","2","1") = "9"
    & skf18("1","8","8","1","10","3","1") = "9"
    & skf18("1","8","8","1","10","4","1") = "9"
    & skf18("1","8","8","1","10","5","1") = "9"
    & skf18("1","8","8","1","10","6","1") = "9"
    & skf18("1","8","8","1","10","7","1") = "9"
    & skf18("1","8","8","1","10","8","1") = "9"
    & skf18("1","8","8","1","10","9","1") = "9"
    & skf18("1","8","8","1","10","10","1") = "9"
    & skf18("1","8","8","2","1","1","1") = "7"
    & skf18("1","8","8","2","1","2","1") = "7"
    & skf18("1","8","8","2","1","3","1") = "7"
    & skf18("1","8","8","2","1","4","1") = "7"
    & skf18("1","8","8","2","1","5","1") = "7"
    & skf18("1","8","8","2","1","6","1") = "7"
    & skf18("1","8","8","2","1","7","1") = "7"
    & skf18("1","8","8","2","1","8","1") = "7"
    & skf18("1","8","8","2","1","9","1") = "8"
    & skf18("1","8","8","2","1","10","1") = "9"
    & skf18("1","8","8","2","2","1","1") = "7"
    & skf18("1","8","8","2","2","2","1") = "7"
    & skf18("1","8","8","2","2","3","1") = "7"
    & skf18("1","8","8","2","2","4","1") = "7"
    & skf18("1","8","8","2","2","5","1") = "7"
    & skf18("1","8","8","2","2","6","1") = "7"
    & skf18("1","8","8","2","2","7","1") = "7"
    & skf18("1","8","8","2","2","8","1") = "7"
    & skf18("1","8","8","2","2","9","1") = "8"
    & skf18("1","8","8","2","2","10","1") = "9"
    & skf18("1","8","8","2","3","1","1") = "7"
    & skf18("1","8","8","2","3","2","1") = "7"
    & skf18("1","8","8","2","3","3","1") = "7"
    & skf18("1","8","8","2","3","4","1") = "7"
    & skf18("1","8","8","2","3","5","1") = "7"
    & skf18("1","8","8","2","3","6","1") = "7"
    & skf18("1","8","8","2","3","7","1") = "7"
    & skf18("1","8","8","2","3","8","1") = "7"
    & skf18("1","8","8","2","3","9","1") = "8"
    & skf18("1","8","8","2","3","10","1") = "9"
    & skf18("1","8","8","2","4","1","1") = "7"
    & skf18("1","8","8","2","4","2","1") = "7"
    & skf18("1","8","8","2","4","3","1") = "7"
    & skf18("1","8","8","2","4","4","1") = "7"
    & skf18("1","8","8","2","4","5","1") = "7"
    & skf18("1","8","8","2","4","6","1") = "7"
    & skf18("1","8","8","2","4","7","1") = "7"
    & skf18("1","8","8","2","4","8","1") = "7"
    & skf18("1","8","8","2","4","9","1") = "8"
    & skf18("1","8","8","2","4","10","1") = "9"
    & skf18("1","8","8","2","5","1","1") = "7"
    & skf18("1","8","8","2","5","2","1") = "7"
    & skf18("1","8","8","2","5","3","1") = "7"
    & skf18("1","8","8","2","5","4","1") = "7"
    & skf18("1","8","8","2","5","5","1") = "7"
    & skf18("1","8","8","2","5","6","1") = "7"
    & skf18("1","8","8","2","5","7","1") = "7"
    & skf18("1","8","8","2","5","8","1") = "7"
    & skf18("1","8","8","2","5","9","1") = "8"
    & skf18("1","8","8","2","5","10","1") = "9"
    & skf18("1","8","8","2","6","1","1") = "7"
    & skf18("1","8","8","2","6","2","1") = "7"
    & skf18("1","8","8","2","6","3","1") = "7"
    & skf18("1","8","8","2","6","4","1") = "7"
    & skf18("1","8","8","2","6","5","1") = "7"
    & skf18("1","8","8","2","6","6","1") = "7"
    & skf18("1","8","8","2","6","7","1") = "7"
    & skf18("1","8","8","2","6","8","1") = "7"
    & skf18("1","8","8","2","6","9","1") = "8"
    & skf18("1","8","8","2","6","10","1") = "9"
    & skf18("1","8","8","2","7","1","1") = "7"
    & skf18("1","8","8","2","7","2","1") = "7"
    & skf18("1","8","8","2","7","3","1") = "7"
    & skf18("1","8","8","2","7","4","1") = "7"
    & skf18("1","8","8","2","7","5","1") = "7"
    & skf18("1","8","8","2","7","6","1") = "7"
    & skf18("1","8","8","2","7","7","1") = "7"
    & skf18("1","8","8","2","7","8","1") = "7"
    & skf18("1","8","8","2","7","9","1") = "8"
    & skf18("1","8","8","2","7","10","1") = "9"
    & skf18("1","8","8","2","8","1","1") = "7"
    & skf18("1","8","8","2","8","2","1") = "7"
    & skf18("1","8","8","2","8","3","1") = "7"
    & skf18("1","8","8","2","8","4","1") = "7"
    & skf18("1","8","8","2","8","5","1") = "7"
    & skf18("1","8","8","2","8","6","1") = "7"
    & skf18("1","8","8","2","8","7","1") = "7"
    & skf18("1","8","8","2","8","8","1") = "7"
    & skf18("1","8","8","2","8","9","1") = "8"
    & skf18("1","8","8","2","8","10","1") = "9"
    & skf18("1","8","8","2","9","1","1") = "8"
    & skf18("1","8","8","2","9","2","1") = "8"
    & skf18("1","8","8","2","9","3","1") = "8"
    & skf18("1","8","8","2","9","4","1") = "8"
    & skf18("1","8","8","2","9","5","1") = "8"
    & skf18("1","8","8","2","9","6","1") = "8"
    & skf18("1","8","8","2","9","7","1") = "8"
    & skf18("1","8","8","2","9","8","1") = "8"
    & skf18("1","8","8","2","9","9","1") = "8"
    & skf18("1","8","8","2","9","10","1") = "9"
    & skf18("1","8","8","2","10","1","1") = "9"
    & skf18("1","8","8","2","10","2","1") = "9"
    & skf18("1","8","8","2","10","3","1") = "9"
    & skf18("1","8","8","2","10","4","1") = "9"
    & skf18("1","8","8","2","10","5","1") = "9"
    & skf18("1","8","8","2","10","6","1") = "9"
    & skf18("1","8","8","2","10","7","1") = "9"
    & skf18("1","8","8","2","10","8","1") = "9"
    & skf18("1","8","8","2","10","9","1") = "9"
    & skf18("1","8","8","2","10","10","1") = "9"
    & skf18("1","8","8","3","1","1","1") = "7"
    & skf18("1","8","8","3","1","2","1") = "7"
    & skf18("1","8","8","3","1","3","1") = "7"
    & skf18("1","8","8","3","1","4","1") = "7"
    & skf18("1","8","8","3","1","5","1") = "7"
    & skf18("1","8","8","3","1","6","1") = "7"
    & skf18("1","8","8","3","1","7","1") = "7"
    & skf18("1","8","8","3","1","8","1") = "7"
    & skf18("1","8","8","3","1","9","1") = "8"
    & skf18("1","8","8","3","1","10","1") = "9"
    & skf18("1","8","8","3","2","1","1") = "7"
    & skf18("1","8","8","3","2","2","1") = "7"
    & skf18("1","8","8","3","2","3","1") = "7"
    & skf18("1","8","8","3","2","4","1") = "7"
    & skf18("1","8","8","3","2","5","1") = "7"
    & skf18("1","8","8","3","2","6","1") = "7"
    & skf18("1","8","8","3","2","7","1") = "7"
    & skf18("1","8","8","3","2","8","1") = "7"
    & skf18("1","8","8","3","2","9","1") = "8"
    & skf18("1","8","8","3","2","10","1") = "9"
    & skf18("1","8","8","3","3","1","1") = "7"
    & skf18("1","8","8","3","3","2","1") = "7"
    & skf18("1","8","8","3","3","3","1") = "7"
    & skf18("1","8","8","3","3","4","1") = "7"
    & skf18("1","8","8","3","3","5","1") = "7"
    & skf18("1","8","8","3","3","6","1") = "7"
    & skf18("1","8","8","3","3","7","1") = "7"
    & skf18("1","8","8","3","3","8","1") = "7"
    & skf18("1","8","8","3","3","9","1") = "8"
    & skf18("1","8","8","3","3","10","1") = "9"
    & skf18("1","8","8","3","4","1","1") = "7"
    & skf18("1","8","8","3","4","2","1") = "7"
    & skf18("1","8","8","3","4","3","1") = "7"
    & skf18("1","8","8","3","4","4","1") = "7"
    & skf18("1","8","8","3","4","5","1") = "7"
    & skf18("1","8","8","3","4","6","1") = "7"
    & skf18("1","8","8","3","4","7","1") = "7"
    & skf18("1","8","8","3","4","8","1") = "7"
    & skf18("1","8","8","3","4","9","1") = "8"
    & skf18("1","8","8","3","4","10","1") = "9"
    & skf18("1","8","8","3","5","1","1") = "7"
    & skf18("1","8","8","3","5","2","1") = "7"
    & skf18("1","8","8","3","5","3","1") = "7"
    & skf18("1","8","8","3","5","4","1") = "7"
    & skf18("1","8","8","3","5","5","1") = "7"
    & skf18("1","8","8","3","5","6","1") = "7"
    & skf18("1","8","8","3","5","7","1") = "7"
    & skf18("1","8","8","3","5","8","1") = "7"
    & skf18("1","8","8","3","5","9","1") = "8"
    & skf18("1","8","8","3","5","10","1") = "9"
    & skf18("1","8","8","3","6","1","1") = "7"
    & skf18("1","8","8","3","6","2","1") = "7"
    & skf18("1","8","8","3","6","3","1") = "7"
    & skf18("1","8","8","3","6","4","1") = "7"
    & skf18("1","8","8","3","6","5","1") = "7"
    & skf18("1","8","8","3","6","6","1") = "7"
    & skf18("1","8","8","3","6","7","1") = "7"
    & skf18("1","8","8","3","6","8","1") = "7"
    & skf18("1","8","8","3","6","9","1") = "8"
    & skf18("1","8","8","3","6","10","1") = "9"
    & skf18("1","8","8","3","7","1","1") = "7"
    & skf18("1","8","8","3","7","2","1") = "7"
    & skf18("1","8","8","3","7","3","1") = "7"
    & skf18("1","8","8","3","7","4","1") = "7"
    & skf18("1","8","8","3","7","5","1") = "7"
    & skf18("1","8","8","3","7","6","1") = "7"
    & skf18("1","8","8","3","7","7","1") = "7"
    & skf18("1","8","8","3","7","8","1") = "7"
    & skf18("1","8","8","3","7","9","1") = "8"
    & skf18("1","8","8","3","7","10","1") = "9"
    & skf18("1","8","8","3","8","1","1") = "7"
    & skf18("1","8","8","3","8","2","1") = "7"
    & skf18("1","8","8","3","8","3","1") = "7"
    & skf18("1","8","8","3","8","4","1") = "7"
    & skf18("1","8","8","3","8","5","1") = "7"
    & skf18("1","8","8","3","8","6","1") = "7"
    & skf18("1","8","8","3","8","7","1") = "7"
    & skf18("1","8","8","3","8","8","1") = "7"
    & skf18("1","8","8","3","8","9","1") = "8"
    & skf18("1","8","8","3","8","10","1") = "9"
    & skf18("1","8","8","3","9","1","1") = "8"
    & skf18("1","8","8","3","9","2","1") = "8"
    & skf18("1","8","8","3","9","3","1") = "8"
    & skf18("1","8","8","3","9","4","1") = "8"
    & skf18("1","8","8","3","9","5","1") = "8"
    & skf18("1","8","8","3","9","6","1") = "8"
    & skf18("1","8","8","3","9","7","1") = "8"
    & skf18("1","8","8","3","9","8","1") = "8"
    & skf18("1","8","8","3","9","9","1") = "8"
    & skf18("1","8","8","3","9","10","1") = "9"
    & skf18("1","8","8","3","10","1","1") = "9"
    & skf18("1","8","8","3","10","2","1") = "9"
    & skf18("1","8","8","3","10","3","1") = "9"
    & skf18("1","8","8","3","10","4","1") = "9"
    & skf18("1","8","8","3","10","5","1") = "9"
    & skf18("1","8","8","3","10","6","1") = "9"
    & skf18("1","8","8","3","10","7","1") = "9"
    & skf18("1","8","8","3","10","8","1") = "9"
    & skf18("1","8","8","3","10","9","1") = "9"
    & skf18("1","8","8","3","10","10","1") = "9"
    & skf18("1","8","8","4","1","1","1") = "7"
    & skf18("1","8","8","4","1","2","1") = "7"
    & skf18("1","8","8","4","1","3","1") = "7"
    & skf18("1","8","8","4","1","4","1") = "7"
    & skf18("1","8","8","4","1","5","1") = "7"
    & skf18("1","8","8","4","1","6","1") = "7"
    & skf18("1","8","8","4","1","7","1") = "7"
    & skf18("1","8","8","4","1","8","1") = "7"
    & skf18("1","8","8","4","1","9","1") = "8"
    & skf18("1","8","8","4","1","10","1") = "9"
    & skf18("1","8","8","4","2","1","1") = "7"
    & skf18("1","8","8","4","2","2","1") = "7"
    & skf18("1","8","8","4","2","3","1") = "7"
    & skf18("1","8","8","4","2","4","1") = "7"
    & skf18("1","8","8","4","2","5","1") = "7"
    & skf18("1","8","8","4","2","6","1") = "7"
    & skf18("1","8","8","4","2","7","1") = "7"
    & skf18("1","8","8","4","2","8","1") = "7"
    & skf18("1","8","8","4","2","9","1") = "8"
    & skf18("1","8","8","4","2","10","1") = "9"
    & skf18("1","8","8","4","3","1","1") = "7"
    & skf18("1","8","8","4","3","2","1") = "7"
    & skf18("1","8","8","4","3","3","1") = "7"
    & skf18("1","8","8","4","3","4","1") = "7"
    & skf18("1","8","8","4","3","5","1") = "7"
    & skf18("1","8","8","4","3","6","1") = "7"
    & skf18("1","8","8","4","3","7","1") = "7"
    & skf18("1","8","8","4","3","8","1") = "7"
    & skf18("1","8","8","4","3","9","1") = "8"
    & skf18("1","8","8","4","3","10","1") = "9"
    & skf18("1","8","8","4","4","1","1") = "7"
    & skf18("1","8","8","4","4","2","1") = "7"
    & skf18("1","8","8","4","4","3","1") = "7"
    & skf18("1","8","8","4","4","4","1") = "7"
    & skf18("1","8","8","4","4","5","1") = "7"
    & skf18("1","8","8","4","4","6","1") = "7"
    & skf18("1","8","8","4","4","7","1") = "7"
    & skf18("1","8","8","4","4","8","1") = "7"
    & skf18("1","8","8","4","4","9","1") = "8"
    & skf18("1","8","8","4","4","10","1") = "9"
    & skf18("1","8","8","4","5","1","1") = "7"
    & skf18("1","8","8","4","5","2","1") = "7"
    & skf18("1","8","8","4","5","3","1") = "7"
    & skf18("1","8","8","4","5","4","1") = "7"
    & skf18("1","8","8","4","5","5","1") = "7"
    & skf18("1","8","8","4","5","6","1") = "7"
    & skf18("1","8","8","4","5","7","1") = "7"
    & skf18("1","8","8","4","5","8","1") = "7"
    & skf18("1","8","8","4","5","9","1") = "8"
    & skf18("1","8","8","4","5","10","1") = "9"
    & skf18("1","8","8","4","6","1","1") = "7"
    & skf18("1","8","8","4","6","2","1") = "7"
    & skf18("1","8","8","4","6","3","1") = "7"
    & skf18("1","8","8","4","6","4","1") = "7"
    & skf18("1","8","8","4","6","5","1") = "7"
    & skf18("1","8","8","4","6","6","1") = "7"
    & skf18("1","8","8","4","6","7","1") = "7"
    & skf18("1","8","8","4","6","8","1") = "7"
    & skf18("1","8","8","4","6","9","1") = "8"
    & skf18("1","8","8","4","6","10","1") = "9"
    & skf18("1","8","8","4","7","1","1") = "7"
    & skf18("1","8","8","4","7","2","1") = "7"
    & skf18("1","8","8","4","7","3","1") = "7"
    & skf18("1","8","8","4","7","4","1") = "7"
    & skf18("1","8","8","4","7","5","1") = "7"
    & skf18("1","8","8","4","7","6","1") = "7"
    & skf18("1","8","8","4","7","7","1") = "7"
    & skf18("1","8","8","4","7","8","1") = "7"
    & skf18("1","8","8","4","7","9","1") = "8"
    & skf18("1","8","8","4","7","10","1") = "9"
    & skf18("1","8","8","4","8","1","1") = "7"
    & skf18("1","8","8","4","8","2","1") = "7"
    & skf18("1","8","8","4","8","3","1") = "7"
    & skf18("1","8","8","4","8","4","1") = "7"
    & skf18("1","8","8","4","8","5","1") = "7"
    & skf18("1","8","8","4","8","6","1") = "7"
    & skf18("1","8","8","4","8","7","1") = "7"
    & skf18("1","8","8","4","8","8","1") = "7"
    & skf18("1","8","8","4","8","9","1") = "8"
    & skf18("1","8","8","4","8","10","1") = "9"
    & skf18("1","8","8","4","9","1","1") = "8"
    & skf18("1","8","8","4","9","2","1") = "8"
    & skf18("1","8","8","4","9","3","1") = "8"
    & skf18("1","8","8","4","9","4","1") = "8"
    & skf18("1","8","8","4","9","5","1") = "8"
    & skf18("1","8","8","4","9","6","1") = "8"
    & skf18("1","8","8","4","9","7","1") = "8"
    & skf18("1","8","8","4","9","8","1") = "8"
    & skf18("1","8","8","4","9","9","1") = "8"
    & skf18("1","8","8","4","9","10","1") = "9"
    & skf18("1","8","8","4","10","1","1") = "9"
    & skf18("1","8","8","4","10","2","1") = "9"
    & skf18("1","8","8","4","10","3","1") = "9"
    & skf18("1","8","8","4","10","4","1") = "9"
    & skf18("1","8","8","4","10","5","1") = "9"
    & skf18("1","8","8","4","10","6","1") = "9"
    & skf18("1","8","8","4","10","7","1") = "9"
    & skf18("1","8","8","4","10","8","1") = "9"
    & skf18("1","8","8","4","10","9","1") = "9"
    & skf18("1","8","8","4","10","10","1") = "9"
    & skf18("1","8","8","5","1","1","1") = "7"
    & skf18("1","8","8","5","1","2","1") = "7"
    & skf18("1","8","8","5","1","3","1") = "7"
    & skf18("1","8","8","5","1","4","1") = "7"
    & skf18("1","8","8","5","1","5","1") = "7"
    & skf18("1","8","8","5","1","6","1") = "7"
    & skf18("1","8","8","5","1","7","1") = "7"
    & skf18("1","8","8","5","1","8","1") = "7"
    & skf18("1","8","8","5","1","9","1") = "8"
    & skf18("1","8","8","5","1","10","1") = "9"
    & skf18("1","8","8","5","2","1","1") = "7"
    & skf18("1","8","8","5","2","2","1") = "7"
    & skf18("1","8","8","5","2","3","1") = "7"
    & skf18("1","8","8","5","2","4","1") = "7"
    & skf18("1","8","8","5","2","5","1") = "7"
    & skf18("1","8","8","5","2","6","1") = "7"
    & skf18("1","8","8","5","2","7","1") = "7"
    & skf18("1","8","8","5","2","8","1") = "7"
    & skf18("1","8","8","5","2","9","1") = "8"
    & skf18("1","8","8","5","2","10","1") = "9"
    & skf18("1","8","8","5","3","1","1") = "7"
    & skf18("1","8","8","5","3","2","1") = "7"
    & skf18("1","8","8","5","3","3","1") = "7"
    & skf18("1","8","8","5","3","4","1") = "7"
    & skf18("1","8","8","5","3","5","1") = "7"
    & skf18("1","8","8","5","3","6","1") = "7"
    & skf18("1","8","8","5","3","7","1") = "7"
    & skf18("1","8","8","5","3","8","1") = "7"
    & skf18("1","8","8","5","3","9","1") = "8"
    & skf18("1","8","8","5","3","10","1") = "9"
    & skf18("1","8","8","5","4","1","1") = "7"
    & skf18("1","8","8","5","4","2","1") = "7"
    & skf18("1","8","8","5","4","3","1") = "7"
    & skf18("1","8","8","5","4","4","1") = "7"
    & skf18("1","8","8","5","4","5","1") = "7"
    & skf18("1","8","8","5","4","6","1") = "7"
    & skf18("1","8","8","5","4","7","1") = "7"
    & skf18("1","8","8","5","4","8","1") = "7"
    & skf18("1","8","8","5","4","9","1") = "8"
    & skf18("1","8","8","5","4","10","1") = "9"
    & skf18("1","8","8","5","5","1","1") = "7"
    & skf18("1","8","8","5","5","2","1") = "7"
    & skf18("1","8","8","5","5","3","1") = "7"
    & skf18("1","8","8","5","5","4","1") = "7"
    & skf18("1","8","8","5","5","5","1") = "7"
    & skf18("1","8","8","5","5","6","1") = "7"
    & skf18("1","8","8","5","5","7","1") = "7"
    & skf18("1","8","8","5","5","8","1") = "7"
    & skf18("1","8","8","5","5","9","1") = "8"
    & skf18("1","8","8","5","5","10","1") = "9"
    & skf18("1","8","8","5","6","1","1") = "7"
    & skf18("1","8","8","5","6","2","1") = "7"
    & skf18("1","8","8","5","6","3","1") = "7"
    & skf18("1","8","8","5","6","4","1") = "7"
    & skf18("1","8","8","5","6","5","1") = "7"
    & skf18("1","8","8","5","6","6","1") = "7"
    & skf18("1","8","8","5","6","7","1") = "7"
    & skf18("1","8","8","5","6","8","1") = "7"
    & skf18("1","8","8","5","6","9","1") = "8"
    & skf18("1","8","8","5","6","10","1") = "9"
    & skf18("1","8","8","5","7","1","1") = "7"
    & skf18("1","8","8","5","7","2","1") = "7"
    & skf18("1","8","8","5","7","3","1") = "7"
    & skf18("1","8","8","5","7","4","1") = "7"
    & skf18("1","8","8","5","7","5","1") = "7"
    & skf18("1","8","8","5","7","6","1") = "7"
    & skf18("1","8","8","5","7","7","1") = "7"
    & skf18("1","8","8","5","7","8","1") = "7"
    & skf18("1","8","8","5","7","9","1") = "8"
    & skf18("1","8","8","5","7","10","1") = "9"
    & skf18("1","8","8","5","8","1","1") = "7"
    & skf18("1","8","8","5","8","2","1") = "7"
    & skf18("1","8","8","5","8","3","1") = "7"
    & skf18("1","8","8","5","8","4","1") = "7"
    & skf18("1","8","8","5","8","5","1") = "7"
    & skf18("1","8","8","5","8","6","1") = "7"
    & skf18("1","8","8","5","8","7","1") = "7"
    & skf18("1","8","8","5","8","8","1") = "7"
    & skf18("1","8","8","5","8","9","1") = "8"
    & skf18("1","8","8","5","8","10","1") = "9"
    & skf18("1","8","8","5","9","1","1") = "8"
    & skf18("1","8","8","5","9","2","1") = "8"
    & skf18("1","8","8","5","9","3","1") = "8"
    & skf18("1","8","8","5","9","4","1") = "8"
    & skf18("1","8","8","5","9","5","1") = "8"
    & skf18("1","8","8","5","9","6","1") = "8"
    & skf18("1","8","8","5","9","7","1") = "8"
    & skf18("1","8","8","5","9","8","1") = "8"
    & skf18("1","8","8","5","9","9","1") = "8"
    & skf18("1","8","8","5","9","10","1") = "9"
    & skf18("1","8","8","5","10","1","1") = "9"
    & skf18("1","8","8","5","10","2","1") = "9"
    & skf18("1","8","8","5","10","3","1") = "9"
    & skf18("1","8","8","5","10","4","1") = "9"
    & skf18("1","8","8","5","10","5","1") = "9"
    & skf18("1","8","8","5","10","6","1") = "9"
    & skf18("1","8","8","5","10","7","1") = "9"
    & skf18("1","8","8","5","10","8","1") = "9"
    & skf18("1","8","8","5","10","9","1") = "9"
    & skf18("1","8","8","5","10","10","1") = "9"
    & skf18("1","8","8","6","1","1","1") = "7"
    & skf18("1","8","8","6","1","2","1") = "7"
    & skf18("1","8","8","6","1","3","1") = "7"
    & skf18("1","8","8","6","1","4","1") = "7"
    & skf18("1","8","8","6","1","5","1") = "7"
    & skf18("1","8","8","6","1","6","1") = "7"
    & skf18("1","8","8","6","1","7","1") = "7"
    & skf18("1","8","8","6","1","8","1") = "7"
    & skf18("1","8","8","6","1","9","1") = "8"
    & skf18("1","8","8","6","1","10","1") = "9"
    & skf18("1","8","8","6","2","1","1") = "7"
    & skf18("1","8","8","6","2","2","1") = "7"
    & skf18("1","8","8","6","2","3","1") = "7"
    & skf18("1","8","8","6","2","4","1") = "7"
    & skf18("1","8","8","6","2","5","1") = "7"
    & skf18("1","8","8","6","2","6","1") = "7"
    & skf18("1","8","8","6","2","7","1") = "7"
    & skf18("1","8","8","6","2","8","1") = "7"
    & skf18("1","8","8","6","2","9","1") = "8"
    & skf18("1","8","8","6","2","10","1") = "9"
    & skf18("1","8","8","6","3","1","1") = "7"
    & skf18("1","8","8","6","3","2","1") = "7"
    & skf18("1","8","8","6","3","3","1") = "7"
    & skf18("1","8","8","6","3","4","1") = "7"
    & skf18("1","8","8","6","3","5","1") = "7"
    & skf18("1","8","8","6","3","6","1") = "7"
    & skf18("1","8","8","6","3","7","1") = "7"
    & skf18("1","8","8","6","3","8","1") = "7"
    & skf18("1","8","8","6","3","9","1") = "8"
    & skf18("1","8","8","6","3","10","1") = "9"
    & skf18("1","8","8","6","4","1","1") = "7"
    & skf18("1","8","8","6","4","2","1") = "7"
    & skf18("1","8","8","6","4","3","1") = "7"
    & skf18("1","8","8","6","4","4","1") = "7"
    & skf18("1","8","8","6","4","5","1") = "7"
    & skf18("1","8","8","6","4","6","1") = "7"
    & skf18("1","8","8","6","4","7","1") = "7"
    & skf18("1","8","8","6","4","8","1") = "7"
    & skf18("1","8","8","6","4","9","1") = "8"
    & skf18("1","8","8","6","4","10","1") = "9"
    & skf18("1","8","8","6","5","1","1") = "7"
    & skf18("1","8","8","6","5","2","1") = "7"
    & skf18("1","8","8","6","5","3","1") = "7"
    & skf18("1","8","8","6","5","4","1") = "7"
    & skf18("1","8","8","6","5","5","1") = "7"
    & skf18("1","8","8","6","5","6","1") = "7"
    & skf18("1","8","8","6","5","7","1") = "7"
    & skf18("1","8","8","6","5","8","1") = "7"
    & skf18("1","8","8","6","5","9","1") = "8"
    & skf18("1","8","8","6","5","10","1") = "9"
    & skf18("1","8","8","6","6","1","1") = "7"
    & skf18("1","8","8","6","6","2","1") = "7"
    & skf18("1","8","8","6","6","3","1") = "7"
    & skf18("1","8","8","6","6","4","1") = "7"
    & skf18("1","8","8","6","6","5","1") = "7"
    & skf18("1","8","8","6","6","6","1") = "7"
    & skf18("1","8","8","6","6","7","1") = "7"
    & skf18("1","8","8","6","6","8","1") = "7"
    & skf18("1","8","8","6","6","9","1") = "8"
    & skf18("1","8","8","6","6","10","1") = "9"
    & skf18("1","8","8","6","7","1","1") = "7"
    & skf18("1","8","8","6","7","2","1") = "7"
    & skf18("1","8","8","6","7","3","1") = "7"
    & skf18("1","8","8","6","7","4","1") = "7"
    & skf18("1","8","8","6","7","5","1") = "7"
    & skf18("1","8","8","6","7","6","1") = "7"
    & skf18("1","8","8","6","7","7","1") = "7"
    & skf18("1","8","8","6","7","8","1") = "7"
    & skf18("1","8","8","6","7","9","1") = "8"
    & skf18("1","8","8","6","7","10","1") = "9"
    & skf18("1","8","8","6","8","1","1") = "7"
    & skf18("1","8","8","6","8","2","1") = "7"
    & skf18("1","8","8","6","8","3","1") = "7"
    & skf18("1","8","8","6","8","4","1") = "7"
    & skf18("1","8","8","6","8","5","1") = "7"
    & skf18("1","8","8","6","8","6","1") = "7"
    & skf18("1","8","8","6","8","7","1") = "7"
    & skf18("1","8","8","6","8","8","1") = "7"
    & skf18("1","8","8","6","8","9","1") = "8"
    & skf18("1","8","8","6","8","10","1") = "9"
    & skf18("1","8","8","6","9","1","1") = "8"
    & skf18("1","8","8","6","9","2","1") = "8"
    & skf18("1","8","8","6","9","3","1") = "8"
    & skf18("1","8","8","6","9","4","1") = "8"
    & skf18("1","8","8","6","9","5","1") = "8"
    & skf18("1","8","8","6","9","6","1") = "8"
    & skf18("1","8","8","6","9","7","1") = "8"
    & skf18("1","8","8","6","9","8","1") = "8"
    & skf18("1","8","8","6","9","9","1") = "8"
    & skf18("1","8","8","6","9","10","1") = "9"
    & skf18("1","8","8","6","10","1","1") = "9"
    & skf18("1","8","8","6","10","2","1") = "9"
    & skf18("1","8","8","6","10","3","1") = "9"
    & skf18("1","8","8","6","10","4","1") = "9"
    & skf18("1","8","8","6","10","5","1") = "9"
    & skf18("1","8","8","6","10","6","1") = "9"
    & skf18("1","8","8","6","10","7","1") = "9"
    & skf18("1","8","8","6","10","8","1") = "9"
    & skf18("1","8","8","6","10","9","1") = "9"
    & skf18("1","8","8","6","10","10","1") = "9"
    & skf18("1","8","8","7","1","1","1") = "7"
    & skf18("1","8","8","7","1","2","1") = "7"
    & skf18("1","8","8","7","1","3","1") = "7"
    & skf18("1","8","8","7","1","4","1") = "7"
    & skf18("1","8","8","7","1","5","1") = "7"
    & skf18("1","8","8","7","1","6","1") = "7"
    & skf18("1","8","8","7","1","7","1") = "7"
    & skf18("1","8","8","7","1","8","1") = "7"
    & skf18("1","8","8","7","1","9","1") = "8"
    & skf18("1","8","8","7","1","10","1") = "9"
    & skf18("1","8","8","7","2","1","1") = "7"
    & skf18("1","8","8","7","2","2","1") = "7"
    & skf18("1","8","8","7","2","3","1") = "7"
    & skf18("1","8","8","7","2","4","1") = "7"
    & skf18("1","8","8","7","2","5","1") = "7"
    & skf18("1","8","8","7","2","6","1") = "7"
    & skf18("1","8","8","7","2","7","1") = "7"
    & skf18("1","8","8","7","2","8","1") = "7"
    & skf18("1","8","8","7","2","9","1") = "8"
    & skf18("1","8","8","7","2","10","1") = "9"
    & skf18("1","8","8","7","3","1","1") = "7"
    & skf18("1","8","8","7","3","2","1") = "7"
    & skf18("1","8","8","7","3","3","1") = "7"
    & skf18("1","8","8","7","3","4","1") = "7"
    & skf18("1","8","8","7","3","5","1") = "7"
    & skf18("1","8","8","7","3","6","1") = "7"
    & skf18("1","8","8","7","3","7","1") = "7"
    & skf18("1","8","8","7","3","8","1") = "7"
    & skf18("1","8","8","7","3","9","1") = "8"
    & skf18("1","8","8","7","3","10","1") = "9"
    & skf18("1","8","8","7","4","1","1") = "7"
    & skf18("1","8","8","7","4","2","1") = "7"
    & skf18("1","8","8","7","4","3","1") = "7"
    & skf18("1","8","8","7","4","4","1") = "7"
    & skf18("1","8","8","7","4","5","1") = "7"
    & skf18("1","8","8","7","4","6","1") = "7"
    & skf18("1","8","8","7","4","7","1") = "7"
    & skf18("1","8","8","7","4","8","1") = "7"
    & skf18("1","8","8","7","4","9","1") = "8"
    & skf18("1","8","8","7","4","10","1") = "9"
    & skf18("1","8","8","7","5","1","1") = "7"
    & skf18("1","8","8","7","5","2","1") = "7"
    & skf18("1","8","8","7","5","3","1") = "7"
    & skf18("1","8","8","7","5","4","1") = "7"
    & skf18("1","8","8","7","5","5","1") = "7"
    & skf18("1","8","8","7","5","6","1") = "7"
    & skf18("1","8","8","7","5","7","1") = "7"
    & skf18("1","8","8","7","5","8","1") = "7"
    & skf18("1","8","8","7","5","9","1") = "8"
    & skf18("1","8","8","7","5","10","1") = "9"
    & skf18("1","8","8","7","6","1","1") = "7"
    & skf18("1","8","8","7","6","2","1") = "7"
    & skf18("1","8","8","7","6","3","1") = "7"
    & skf18("1","8","8","7","6","4","1") = "7"
    & skf18("1","8","8","7","6","5","1") = "7"
    & skf18("1","8","8","7","6","6","1") = "7"
    & skf18("1","8","8","7","6","7","1") = "7"
    & skf18("1","8","8","7","6","8","1") = "7"
    & skf18("1","8","8","7","6","9","1") = "8"
    & skf18("1","8","8","7","6","10","1") = "9"
    & skf18("1","8","8","7","7","1","1") = "7"
    & skf18("1","8","8","7","7","2","1") = "7"
    & skf18("1","8","8","7","7","3","1") = "7"
    & skf18("1","8","8","7","7","4","1") = "7"
    & skf18("1","8","8","7","7","5","1") = "7"
    & skf18("1","8","8","7","7","6","1") = "7"
    & skf18("1","8","8","7","7","7","1") = "7"
    & skf18("1","8","8","7","7","8","1") = "7"
    & skf18("1","8","8","7","7","9","1") = "8"
    & skf18("1","8","8","7","7","10","1") = "9"
    & skf18("1","8","8","7","8","1","1") = "7"
    & skf18("1","8","8","7","8","2","1") = "7"
    & skf18("1","8","8","7","8","3","1") = "7"
    & skf18("1","8","8","7","8","4","1") = "7"
    & skf18("1","8","8","7","8","5","1") = "7"
    & skf18("1","8","8","7","8","6","1") = "7"
    & skf18("1","8","8","7","8","7","1") = "7"
    & skf18("1","8","8","7","8","8","1") = "7"
    & skf18("1","8","8","7","8","9","1") = "8"
    & skf18("1","8","8","7","8","10","1") = "9"
    & skf18("1","8","8","7","9","1","1") = "8"
    & skf18("1","8","8","7","9","2","1") = "8"
    & skf18("1","8","8","7","9","3","1") = "8"
    & skf18("1","8","8","7","9","4","1") = "8"
    & skf18("1","8","8","7","9","5","1") = "8"
    & skf18("1","8","8","7","9","6","1") = "8"
    & skf18("1","8","8","7","9","7","1") = "8"
    & skf18("1","8","8","7","9","8","1") = "8"
    & skf18("1","8","8","7","9","9","1") = "8"
    & skf18("1","8","8","7","9","10","1") = "9"
    & skf18("1","8","8","7","10","1","1") = "9"
    & skf18("1","8","8","7","10","2","1") = "9"
    & skf18("1","8","8","7","10","3","1") = "9"
    & skf18("1","8","8","7","10","4","1") = "9"
    & skf18("1","8","8","7","10","5","1") = "9"
    & skf18("1","8","8","7","10","6","1") = "9"
    & skf18("1","8","8","7","10","7","1") = "9"
    & skf18("1","8","8","7","10","8","1") = "9"
    & skf18("1","8","8","7","10","9","1") = "9"
    & skf18("1","8","8","7","10","10","1") = "9"
    & skf18("1","8","8","8","1","1","1") = "7"
    & skf18("1","8","8","8","1","2","1") = "7"
    & skf18("1","8","8","8","1","3","1") = "7"
    & skf18("1","8","8","8","1","4","1") = "7"
    & skf18("1","8","8","8","1","5","1") = "7"
    & skf18("1","8","8","8","1","6","1") = "7"
    & skf18("1","8","8","8","1","7","1") = "7"
    & skf18("1","8","8","8","1","8","1") = "7"
    & skf18("1","8","8","8","1","9","1") = "8"
    & skf18("1","8","8","8","1","10","1") = "9"
    & skf18("1","8","8","8","2","1","1") = "7"
    & skf18("1","8","8","8","2","2","1") = "7"
    & skf18("1","8","8","8","2","3","1") = "7"
    & skf18("1","8","8","8","2","4","1") = "7"
    & skf18("1","8","8","8","2","5","1") = "7"
    & skf18("1","8","8","8","2","6","1") = "7"
    & skf18("1","8","8","8","2","7","1") = "7"
    & skf18("1","8","8","8","2","8","1") = "7"
    & skf18("1","8","8","8","2","9","1") = "8"
    & skf18("1","8","8","8","2","10","1") = "9"
    & skf18("1","8","8","8","3","1","1") = "7"
    & skf18("1","8","8","8","3","2","1") = "7"
    & skf18("1","8","8","8","3","3","1") = "7"
    & skf18("1","8","8","8","3","4","1") = "7"
    & skf18("1","8","8","8","3","5","1") = "7"
    & skf18("1","8","8","8","3","6","1") = "7"
    & skf18("1","8","8","8","3","7","1") = "7"
    & skf18("1","8","8","8","3","8","1") = "7"
    & skf18("1","8","8","8","3","9","1") = "8"
    & skf18("1","8","8","8","3","10","1") = "9"
    & skf18("1","8","8","8","4","1","1") = "7"
    & skf18("1","8","8","8","4","2","1") = "7"
    & skf18("1","8","8","8","4","3","1") = "7"
    & skf18("1","8","8","8","4","4","1") = "7"
    & skf18("1","8","8","8","4","5","1") = "7"
    & skf18("1","8","8","8","4","6","1") = "7"
    & skf18("1","8","8","8","4","7","1") = "7"
    & skf18("1","8","8","8","4","8","1") = "7"
    & skf18("1","8","8","8","4","9","1") = "8"
    & skf18("1","8","8","8","4","10","1") = "9"
    & skf18("1","8","8","8","5","1","1") = "7"
    & skf18("1","8","8","8","5","2","1") = "7"
    & skf18("1","8","8","8","5","3","1") = "7"
    & skf18("1","8","8","8","5","4","1") = "7"
    & skf18("1","8","8","8","5","5","1") = "7"
    & skf18("1","8","8","8","5","6","1") = "7"
    & skf18("1","8","8","8","5","7","1") = "7"
    & skf18("1","8","8","8","5","8","1") = "7"
    & skf18("1","8","8","8","5","9","1") = "8"
    & skf18("1","8","8","8","5","10","1") = "9"
    & skf18("1","8","8","8","6","1","1") = "7"
    & skf18("1","8","8","8","6","2","1") = "7"
    & skf18("1","8","8","8","6","3","1") = "7"
    & skf18("1","8","8","8","6","4","1") = "7"
    & skf18("1","8","8","8","6","5","1") = "7"
    & skf18("1","8","8","8","6","6","1") = "7"
    & skf18("1","8","8","8","6","7","1") = "7"
    & skf18("1","8","8","8","6","8","1") = "7"
    & skf18("1","8","8","8","6","9","1") = "8"
    & skf18("1","8","8","8","6","10","1") = "9"
    & skf18("1","8","8","8","7","1","1") = "7"
    & skf18("1","8","8","8","7","2","1") = "7"
    & skf18("1","8","8","8","7","3","1") = "7"
    & skf18("1","8","8","8","7","4","1") = "7"
    & skf18("1","8","8","8","7","5","1") = "7"
    & skf18("1","8","8","8","7","6","1") = "7"
    & skf18("1","8","8","8","7","7","1") = "7"
    & skf18("1","8","8","8","7","8","1") = "7"
    & skf18("1","8","8","8","7","9","1") = "8"
    & skf18("1","8","8","8","7","10","1") = "9"
    & skf18("1","8","8","8","8","1","1") = "7"
    & skf18("1","8","8","8","8","2","1") = "7"
    & skf18("1","8","8","8","8","3","1") = "7"
    & skf18("1","8","8","8","8","4","1") = "7"
    & skf18("1","8","8","8","8","5","1") = "7"
    & skf18("1","8","8","8","8","6","1") = "7"
    & skf18("1","8","8","8","8","7","1") = "7"
    & skf18("1","8","8","8","8","8","1") = "7"
    & skf18("1","8","8","8","8","9","1") = "8"
    & skf18("1","8","8","8","8","10","1") = "9"
    & skf18("1","8","8","8","9","1","1") = "8"
    & skf18("1","8","8","8","9","2","1") = "8"
    & skf18("1","8","8","8","9","3","1") = "8"
    & skf18("1","8","8","8","9","4","1") = "8"
    & skf18("1","8","8","8","9","5","1") = "8"
    & skf18("1","8","8","8","9","6","1") = "8"
    & skf18("1","8","8","8","9","7","1") = "8"
    & skf18("1","8","8","8","9","8","1") = "8"
    & skf18("1","8","8","8","9","9","1") = "8"
    & skf18("1","8","8","8","9","10","1") = "9"
    & skf18("1","8","8","8","10","1","1") = "9"
    & skf18("1","8","8","8","10","2","1") = "9"
    & skf18("1","8","8","8","10","3","1") = "9"
    & skf18("1","8","8","8","10","4","1") = "9"
    & skf18("1","8","8","8","10","5","1") = "9"
    & skf18("1","8","8","8","10","6","1") = "9"
    & skf18("1","8","8","8","10","7","1") = "9"
    & skf18("1","8","8","8","10","8","1") = "9"
    & skf18("1","8","8","8","10","9","1") = "9"
    & skf18("1","8","8","8","10","10","1") = "9"
    & skf18("1","8","8","9","1","1","1") = "8"
    & skf18("1","8","8","9","1","2","1") = "8"
    & skf18("1","8","8","9","1","3","1") = "8"
    & skf18("1","8","8","9","1","4","1") = "8"
    & skf18("1","8","8","9","1","5","1") = "8"
    & skf18("1","8","8","9","1","6","1") = "8"
    & skf18("1","8","8","9","1","7","1") = "8"
    & skf18("1","8","8","9","1","8","1") = "8"
    & skf18("1","8","8","9","1","9","1") = "8"
    & skf18("1","8","8","9","1","10","1") = "9"
    & skf18("1","8","8","9","2","1","1") = "8"
    & skf18("1","8","8","9","2","2","1") = "8"
    & skf18("1","8","8","9","2","3","1") = "8"
    & skf18("1","8","8","9","2","4","1") = "8"
    & skf18("1","8","8","9","2","5","1") = "8"
    & skf18("1","8","8","9","2","6","1") = "8"
    & skf18("1","8","8","9","2","7","1") = "8"
    & skf18("1","8","8","9","2","8","1") = "8"
    & skf18("1","8","8","9","2","9","1") = "8"
    & skf18("1","8","8","9","2","10","1") = "9"
    & skf18("1","8","8","9","3","1","1") = "8"
    & skf18("1","8","8","9","3","2","1") = "8"
    & skf18("1","8","8","9","3","3","1") = "8"
    & skf18("1","8","8","9","3","4","1") = "8"
    & skf18("1","8","8","9","3","5","1") = "8"
    & skf18("1","8","8","9","3","6","1") = "8"
    & skf18("1","8","8","9","3","7","1") = "8"
    & skf18("1","8","8","9","3","8","1") = "8"
    & skf18("1","8","8","9","3","9","1") = "8"
    & skf18("1","8","8","9","3","10","1") = "9"
    & skf18("1","8","8","9","4","1","1") = "8"
    & skf18("1","8","8","9","4","2","1") = "8"
    & skf18("1","8","8","9","4","3","1") = "8"
    & skf18("1","8","8","9","4","4","1") = "8"
    & skf18("1","8","8","9","4","5","1") = "8"
    & skf18("1","8","8","9","4","6","1") = "8"
    & skf18("1","8","8","9","4","7","1") = "8"
    & skf18("1","8","8","9","4","8","1") = "8"
    & skf18("1","8","8","9","4","9","1") = "8"
    & skf18("1","8","8","9","4","10","1") = "9"
    & skf18("1","8","8","9","5","1","1") = "8"
    & skf18("1","8","8","9","5","2","1") = "8"
    & skf18("1","8","8","9","5","3","1") = "8"
    & skf18("1","8","8","9","5","4","1") = "8"
    & skf18("1","8","8","9","5","5","1") = "8"
    & skf18("1","8","8","9","5","6","1") = "8"
    & skf18("1","8","8","9","5","7","1") = "8"
    & skf18("1","8","8","9","5","8","1") = "8"
    & skf18("1","8","8","9","5","9","1") = "8"
    & skf18("1","8","8","9","5","10","1") = "9"
    & skf18("1","8","8","9","6","1","1") = "8"
    & skf18("1","8","8","9","6","2","1") = "8"
    & skf18("1","8","8","9","6","3","1") = "8"
    & skf18("1","8","8","9","6","4","1") = "8"
    & skf18("1","8","8","9","6","5","1") = "8"
    & skf18("1","8","8","9","6","6","1") = "8"
    & skf18("1","8","8","9","6","7","1") = "8"
    & skf18("1","8","8","9","6","8","1") = "8"
    & skf18("1","8","8","9","6","9","1") = "8"
    & skf18("1","8","8","9","6","10","1") = "9"
    & skf18("1","8","8","9","7","1","1") = "8"
    & skf18("1","8","8","9","7","2","1") = "8"
    & skf18("1","8","8","9","7","3","1") = "8"
    & skf18("1","8","8","9","7","4","1") = "8"
    & skf18("1","8","8","9","7","5","1") = "8"
    & skf18("1","8","8","9","7","6","1") = "8"
    & skf18("1","8","8","9","7","7","1") = "8"
    & skf18("1","8","8","9","7","8","1") = "8"
    & skf18("1","8","8","9","7","9","1") = "8"
    & skf18("1","8","8","9","7","10","1") = "9"
    & skf18("1","8","8","9","8","1","1") = "8"
    & skf18("1","8","8","9","8","2","1") = "8"
    & skf18("1","8","8","9","8","3","1") = "8"
    & skf18("1","8","8","9","8","4","1") = "8"
    & skf18("1","8","8","9","8","5","1") = "8"
    & skf18("1","8","8","9","8","6","1") = "8"
    & skf18("1","8","8","9","8","7","1") = "8"
    & skf18("1","8","8","9","8","8","1") = "8"
    & skf18("1","8","8","9","8","9","1") = "8"
    & skf18("1","8","8","9","8","10","1") = "9"
    & skf18("1","8","8","9","9","1","1") = "8"
    & skf18("1","8","8","9","9","2","1") = "8"
    & skf18("1","8","8","9","9","3","1") = "8"
    & skf18("1","8","8","9","9","4","1") = "8"
    & skf18("1","8","8","9","9","5","1") = "8"
    & skf18("1","8","8","9","9","6","1") = "8"
    & skf18("1","8","8","9","9","7","1") = "8"
    & skf18("1","8","8","9","9","8","1") = "8"
    & skf18("1","8","8","9","9","9","1") = "8"
    & skf18("1","8","8","9","9","10","1") = "9"
    & skf18("1","8","8","9","10","1","1") = "9"
    & skf18("1","8","8","9","10","2","1") = "9"
    & skf18("1","8","8","9","10","3","1") = "9"
    & skf18("1","8","8","9","10","4","1") = "9"
    & skf18("1","8","8","9","10","5","1") = "9"
    & skf18("1","8","8","9","10","6","1") = "9"
    & skf18("1","8","8","9","10","7","1") = "9"
    & skf18("1","8","8","9","10","8","1") = "9"
    & skf18("1","8","8","9","10","9","1") = "9"
    & skf18("1","8","8","9","10","10","1") = "9"
    & skf18("1","8","8","10","1","1","1") = "9"
    & skf18("1","8","8","10","1","2","1") = "9"
    & skf18("1","8","8","10","1","3","1") = "9"
    & skf18("1","8","8","10","1","4","1") = "9"
    & skf18("1","8","8","10","1","5","1") = "9"
    & skf18("1","8","8","10","1","6","1") = "9"
    & skf18("1","8","8","10","1","7","1") = "9"
    & skf18("1","8","8","10","1","8","1") = "9"
    & skf18("1","8","8","10","1","9","1") = "9"
    & skf18("1","8","8","10","1","10","1") = "9"
    & skf18("1","8","8","10","2","1","1") = "9"
    & skf18("1","8","8","10","2","2","1") = "9"
    & skf18("1","8","8","10","2","3","1") = "9"
    & skf18("1","8","8","10","2","4","1") = "9"
    & skf18("1","8","8","10","2","5","1") = "9"
    & skf18("1","8","8","10","2","6","1") = "9"
    & skf18("1","8","8","10","2","7","1") = "9"
    & skf18("1","8","8","10","2","8","1") = "9"
    & skf18("1","8","8","10","2","9","1") = "9"
    & skf18("1","8","8","10","2","10","1") = "9"
    & skf18("1","8","8","10","3","1","1") = "9"
    & skf18("1","8","8","10","3","2","1") = "9"
    & skf18("1","8","8","10","3","3","1") = "9"
    & skf18("1","8","8","10","3","4","1") = "9"
    & skf18("1","8","8","10","3","5","1") = "9"
    & skf18("1","8","8","10","3","6","1") = "9"
    & skf18("1","8","8","10","3","7","1") = "9"
    & skf18("1","8","8","10","3","8","1") = "9"
    & skf18("1","8","8","10","3","9","1") = "9"
    & skf18("1","8","8","10","3","10","1") = "9"
    & skf18("1","8","8","10","4","1","1") = "9"
    & skf18("1","8","8","10","4","2","1") = "9"
    & skf18("1","8","8","10","4","3","1") = "9"
    & skf18("1","8","8","10","4","4","1") = "9"
    & skf18("1","8","8","10","4","5","1") = "9"
    & skf18("1","8","8","10","4","6","1") = "9"
    & skf18("1","8","8","10","4","7","1") = "9"
    & skf18("1","8","8","10","4","8","1") = "9"
    & skf18("1","8","8","10","4","9","1") = "9"
    & skf18("1","8","8","10","4","10","1") = "9"
    & skf18("1","8","8","10","5","1","1") = "9"
    & skf18("1","8","8","10","5","2","1") = "9"
    & skf18("1","8","8","10","5","3","1") = "9"
    & skf18("1","8","8","10","5","4","1") = "9"
    & skf18("1","8","8","10","5","5","1") = "9"
    & skf18("1","8","8","10","5","6","1") = "9"
    & skf18("1","8","8","10","5","7","1") = "9"
    & skf18("1","8","8","10","5","8","1") = "9"
    & skf18("1","8","8","10","5","9","1") = "9"
    & skf18("1","8","8","10","5","10","1") = "9"
    & skf18("1","8","8","10","6","1","1") = "9"
    & skf18("1","8","8","10","6","2","1") = "9"
    & skf18("1","8","8","10","6","3","1") = "9"
    & skf18("1","8","8","10","6","4","1") = "9"
    & skf18("1","8","8","10","6","5","1") = "9"
    & skf18("1","8","8","10","6","6","1") = "9"
    & skf18("1","8","8","10","6","7","1") = "9"
    & skf18("1","8","8","10","6","8","1") = "9"
    & skf18("1","8","8","10","6","9","1") = "9"
    & skf18("1","8","8","10","6","10","1") = "9"
    & skf18("1","8","8","10","7","1","1") = "9"
    & skf18("1","8","8","10","7","2","1") = "9"
    & skf18("1","8","8","10","7","3","1") = "9"
    & skf18("1","8","8","10","7","4","1") = "9"
    & skf18("1","8","8","10","7","5","1") = "9"
    & skf18("1","8","8","10","7","6","1") = "9"
    & skf18("1","8","8","10","7","7","1") = "9"
    & skf18("1","8","8","10","7","8","1") = "9"
    & skf18("1","8","8","10","7","9","1") = "9"
    & skf18("1","8","8","10","7","10","1") = "9"
    & skf18("1","8","8","10","8","1","1") = "9"
    & skf18("1","8","8","10","8","2","1") = "9"
    & skf18("1","8","8","10","8","3","1") = "9"
    & skf18("1","8","8","10","8","4","1") = "9"
    & skf18("1","8","8","10","8","5","1") = "9"
    & skf18("1","8","8","10","8","6","1") = "9"
    & skf18("1","8","8","10","8","7","1") = "9"
    & skf18("1","8","8","10","8","8","1") = "9"
    & skf18("1","8","8","10","8","9","1") = "9"
    & skf18("1","8","8","10","8","10","1") = "9"
    & skf18("1","8","8","10","9","1","1") = "9"
    & skf18("1","8","8","10","9","2","1") = "9"
    & skf18("1","8","8","10","9","3","1") = "9"
    & skf18("1","8","8","10","9","4","1") = "9"
    & skf18("1","8","8","10","9","5","1") = "9"
    & skf18("1","8","8","10","9","6","1") = "9"
    & skf18("1","8","8","10","9","7","1") = "9"
    & skf18("1","8","8","10","9","8","1") = "9"
    & skf18("1","8","8","10","9","9","1") = "9"
    & skf18("1","8","8","10","9","10","1") = "9"
    & skf18("1","8","8","10","10","1","1") = "9"
    & skf18("1","8","8","10","10","2","1") = "9"
    & skf18("1","8","8","10","10","3","1") = "9"
    & skf18("1","8","8","10","10","4","1") = "9"
    & skf18("1","8","8","10","10","5","1") = "9"
    & skf18("1","8","8","10","10","6","1") = "9"
    & skf18("1","8","8","10","10","7","1") = "9"
    & skf18("1","8","8","10","10","8","1") = "9"
    & skf18("1","8","8","10","10","9","1") = "9"
    & skf18("1","8","8","10","10","10","1") = "9"
    & skf18("1","8","9","1","1","1","1") = "8"
    & skf18("1","8","9","1","1","2","1") = "8"
    & skf18("1","8","9","1","1","3","1") = "8"
    & skf18("1","8","9","1","1","4","1") = "8"
    & skf18("1","8","9","1","1","5","1") = "8"
    & skf18("1","8","9","1","1","6","1") = "8"
    & skf18("1","8","9","1","1","7","1") = "8"
    & skf18("1","8","9","1","1","8","1") = "8"
    & skf18("1","8","9","1","1","9","1") = "8"
    & skf18("1","8","9","1","1","10","1") = "9"
    & skf18("1","8","9","1","2","1","1") = "8"
    & skf18("1","8","9","1","2","2","1") = "8"
    & skf18("1","8","9","1","2","3","1") = "8"
    & skf18("1","8","9","1","2","4","1") = "8"
    & skf18("1","8","9","1","2","5","1") = "8"
    & skf18("1","8","9","1","2","6","1") = "8"
    & skf18("1","8","9","1","2","7","1") = "8"
    & skf18("1","8","9","1","2","8","1") = "8"
    & skf18("1","8","9","1","2","9","1") = "8"
    & skf18("1","8","9","1","2","10","1") = "9"
    & skf18("1","8","9","1","3","1","1") = "8"
    & skf18("1","8","9","1","3","2","1") = "8"
    & skf18("1","8","9","1","3","3","1") = "8"
    & skf18("1","8","9","1","3","4","1") = "8"
    & skf18("1","8","9","1","3","5","1") = "8"
    & skf18("1","8","9","1","3","6","1") = "8"
    & skf18("1","8","9","1","3","7","1") = "8"
    & skf18("1","8","9","1","3","8","1") = "8"
    & skf18("1","8","9","1","3","9","1") = "8"
    & skf18("1","8","9","1","3","10","1") = "9"
    & skf18("1","8","9","1","4","1","1") = "8"
    & skf18("1","8","9","1","4","2","1") = "8"
    & skf18("1","8","9","1","4","3","1") = "8"
    & skf18("1","8","9","1","4","4","1") = "8"
    & skf18("1","8","9","1","4","5","1") = "8"
    & skf18("1","8","9","1","4","6","1") = "8"
    & skf18("1","8","9","1","4","7","1") = "8"
    & skf18("1","8","9","1","4","8","1") = "8"
    & skf18("1","8","9","1","4","9","1") = "8"
    & skf18("1","8","9","1","4","10","1") = "9"
    & skf18("1","8","9","1","5","1","1") = "8"
    & skf18("1","8","9","1","5","2","1") = "8"
    & skf18("1","8","9","1","5","3","1") = "8"
    & skf18("1","8","9","1","5","4","1") = "8"
    & skf18("1","8","9","1","5","5","1") = "8"
    & skf18("1","8","9","1","5","6","1") = "8"
    & skf18("1","8","9","1","5","7","1") = "8"
    & skf18("1","8","9","1","5","8","1") = "8"
    & skf18("1","8","9","1","5","9","1") = "8"
    & skf18("1","8","9","1","5","10","1") = "9"
    & skf18("1","8","9","1","6","1","1") = "8"
    & skf18("1","8","9","1","6","2","1") = "8"
    & skf18("1","8","9","1","6","3","1") = "8"
    & skf18("1","8","9","1","6","4","1") = "8"
    & skf18("1","8","9","1","6","5","1") = "8"
    & skf18("1","8","9","1","6","6","1") = "8"
    & skf18("1","8","9","1","6","7","1") = "8"
    & skf18("1","8","9","1","6","8","1") = "8"
    & skf18("1","8","9","1","6","9","1") = "8"
    & skf18("1","8","9","1","6","10","1") = "9"
    & skf18("1","8","9","1","7","1","1") = "8"
    & skf18("1","8","9","1","7","2","1") = "8"
    & skf18("1","8","9","1","7","3","1") = "8"
    & skf18("1","8","9","1","7","4","1") = "8"
    & skf18("1","8","9","1","7","5","1") = "8"
    & skf18("1","8","9","1","7","6","1") = "8"
    & skf18("1","8","9","1","7","7","1") = "8"
    & skf18("1","8","9","1","7","8","1") = "8"
    & skf18("1","8","9","1","7","9","1") = "8"
    & skf18("1","8","9","1","7","10","1") = "9"
    & skf18("1","8","9","1","8","1","1") = "8"
    & skf18("1","8","9","1","8","2","1") = "8"
    & skf18("1","8","9","1","8","3","1") = "8"
    & skf18("1","8","9","1","8","4","1") = "8"
    & skf18("1","8","9","1","8","5","1") = "8"
    & skf18("1","8","9","1","8","6","1") = "8"
    & skf18("1","8","9","1","8","7","1") = "8"
    & skf18("1","8","9","1","8","8","1") = "8"
    & skf18("1","8","9","1","8","9","1") = "8"
    & skf18("1","8","9","1","8","10","1") = "9"
    & skf18("1","8","9","1","9","1","1") = "8"
    & skf18("1","8","9","1","9","2","1") = "8"
    & skf18("1","8","9","1","9","3","1") = "8"
    & skf18("1","8","9","1","9","4","1") = "8"
    & skf18("1","8","9","1","9","5","1") = "8"
    & skf18("1","8","9","1","9","6","1") = "8"
    & skf18("1","8","9","1","9","7","1") = "8"
    & skf18("1","8","9","1","9","8","1") = "8"
    & skf18("1","8","9","1","9","9","1") = "8"
    & skf18("1","8","9","1","9","10","1") = "9"
    & skf18("1","8","9","1","10","1","1") = "9"
    & skf18("1","8","9","1","10","2","1") = "9"
    & skf18("1","8","9","1","10","3","1") = "9"
    & skf18("1","8","9","1","10","4","1") = "9"
    & skf18("1","8","9","1","10","5","1") = "9"
    & skf18("1","8","9","1","10","6","1") = "9"
    & skf18("1","8","9","1","10","7","1") = "9"
    & skf18("1","8","9","1","10","8","1") = "9"
    & skf18("1","8","9","1","10","9","1") = "9"
    & skf18("1","8","9","1","10","10","1") = "9"
    & skf18("1","8","9","2","1","1","1") = "8"
    & skf18("1","8","9","2","1","2","1") = "8"
    & skf18("1","8","9","2","1","3","1") = "8"
    & skf18("1","8","9","2","1","4","1") = "8"
    & skf18("1","8","9","2","1","5","1") = "8"
    & skf18("1","8","9","2","1","6","1") = "8"
    & skf18("1","8","9","2","1","7","1") = "8"
    & skf18("1","8","9","2","1","8","1") = "8"
    & skf18("1","8","9","2","1","9","1") = "8"
    & skf18("1","8","9","2","1","10","1") = "9"
    & skf18("1","8","9","2","2","1","1") = "8"
    & skf18("1","8","9","2","2","2","1") = "8"
    & skf18("1","8","9","2","2","3","1") = "8"
    & skf18("1","8","9","2","2","4","1") = "8"
    & skf18("1","8","9","2","2","5","1") = "8"
    & skf18("1","8","9","2","2","6","1") = "8"
    & skf18("1","8","9","2","2","7","1") = "8"
    & skf18("1","8","9","2","2","8","1") = "8"
    & skf18("1","8","9","2","2","9","1") = "8"
    & skf18("1","8","9","2","2","10","1") = "9"
    & skf18("1","8","9","2","3","1","1") = "8"
    & skf18("1","8","9","2","3","2","1") = "8"
    & skf18("1","8","9","2","3","3","1") = "8"
    & skf18("1","8","9","2","3","4","1") = "8"
    & skf18("1","8","9","2","3","5","1") = "8"
    & skf18("1","8","9","2","3","6","1") = "8"
    & skf18("1","8","9","2","3","7","1") = "8"
    & skf18("1","8","9","2","3","8","1") = "8"
    & skf18("1","8","9","2","3","9","1") = "8"
    & skf18("1","8","9","2","3","10","1") = "9"
    & skf18("1","8","9","2","4","1","1") = "8"
    & skf18("1","8","9","2","4","2","1") = "8"
    & skf18("1","8","9","2","4","3","1") = "8"
    & skf18("1","8","9","2","4","4","1") = "8"
    & skf18("1","8","9","2","4","5","1") = "8"
    & skf18("1","8","9","2","4","6","1") = "8"
    & skf18("1","8","9","2","4","7","1") = "8"
    & skf18("1","8","9","2","4","8","1") = "8"
    & skf18("1","8","9","2","4","9","1") = "8"
    & skf18("1","8","9","2","4","10","1") = "9"
    & skf18("1","8","9","2","5","1","1") = "8"
    & skf18("1","8","9","2","5","2","1") = "8"
    & skf18("1","8","9","2","5","3","1") = "8"
    & skf18("1","8","9","2","5","4","1") = "8"
    & skf18("1","8","9","2","5","5","1") = "8"
    & skf18("1","8","9","2","5","6","1") = "8"
    & skf18("1","8","9","2","5","7","1") = "8"
    & skf18("1","8","9","2","5","8","1") = "8"
    & skf18("1","8","9","2","5","9","1") = "8"
    & skf18("1","8","9","2","5","10","1") = "9"
    & skf18("1","8","9","2","6","1","1") = "8"
    & skf18("1","8","9","2","6","2","1") = "8"
    & skf18("1","8","9","2","6","3","1") = "8"
    & skf18("1","8","9","2","6","4","1") = "8"
    & skf18("1","8","9","2","6","5","1") = "8"
    & skf18("1","8","9","2","6","6","1") = "8"
    & skf18("1","8","9","2","6","7","1") = "8"
    & skf18("1","8","9","2","6","8","1") = "8"
    & skf18("1","8","9","2","6","9","1") = "8"
    & skf18("1","8","9","2","6","10","1") = "9"
    & skf18("1","8","9","2","7","1","1") = "8"
    & skf18("1","8","9","2","7","2","1") = "8"
    & skf18("1","8","9","2","7","3","1") = "8"
    & skf18("1","8","9","2","7","4","1") = "8"
    & skf18("1","8","9","2","7","5","1") = "8"
    & skf18("1","8","9","2","7","6","1") = "8"
    & skf18("1","8","9","2","7","7","1") = "8"
    & skf18("1","8","9","2","7","8","1") = "8"
    & skf18("1","8","9","2","7","9","1") = "8"
    & skf18("1","8","9","2","7","10","1") = "9"
    & skf18("1","8","9","2","8","1","1") = "8"
    & skf18("1","8","9","2","8","2","1") = "8"
    & skf18("1","8","9","2","8","3","1") = "8"
    & skf18("1","8","9","2","8","4","1") = "8"
    & skf18("1","8","9","2","8","5","1") = "8"
    & skf18("1","8","9","2","8","6","1") = "8"
    & skf18("1","8","9","2","8","7","1") = "8"
    & skf18("1","8","9","2","8","8","1") = "8"
    & skf18("1","8","9","2","8","9","1") = "8"
    & skf18("1","8","9","2","8","10","1") = "9"
    & skf18("1","8","9","2","9","1","1") = "8"
    & skf18("1","8","9","2","9","2","1") = "8"
    & skf18("1","8","9","2","9","3","1") = "8"
    & skf18("1","8","9","2","9","4","1") = "8"
    & skf18("1","8","9","2","9","5","1") = "8"
    & skf18("1","8","9","2","9","6","1") = "8"
    & skf18("1","8","9","2","9","7","1") = "8"
    & skf18("1","8","9","2","9","8","1") = "8"
    & skf18("1","8","9","2","9","9","1") = "8"
    & skf18("1","8","9","2","9","10","1") = "9"
    & skf18("1","8","9","2","10","1","1") = "9"
    & skf18("1","8","9","2","10","2","1") = "9"
    & skf18("1","8","9","2","10","3","1") = "9"
    & skf18("1","8","9","2","10","4","1") = "9"
    & skf18("1","8","9","2","10","5","1") = "9"
    & skf18("1","8","9","2","10","6","1") = "9"
    & skf18("1","8","9","2","10","7","1") = "9"
    & skf18("1","8","9","2","10","8","1") = "9"
    & skf18("1","8","9","2","10","9","1") = "9"
    & skf18("1","8","9","2","10","10","1") = "9"
    & skf18("1","8","9","3","1","1","1") = "8"
    & skf18("1","8","9","3","1","2","1") = "8"
    & skf18("1","8","9","3","1","3","1") = "8"
    & skf18("1","8","9","3","1","4","1") = "8"
    & skf18("1","8","9","3","1","5","1") = "8"
    & skf18("1","8","9","3","1","6","1") = "8"
    & skf18("1","8","9","3","1","7","1") = "8"
    & skf18("1","8","9","3","1","8","1") = "8"
    & skf18("1","8","9","3","1","9","1") = "8"
    & skf18("1","8","9","3","1","10","1") = "9"
    & skf18("1","8","9","3","2","1","1") = "8"
    & skf18("1","8","9","3","2","2","1") = "8"
    & skf18("1","8","9","3","2","3","1") = "8"
    & skf18("1","8","9","3","2","4","1") = "8"
    & skf18("1","8","9","3","2","5","1") = "8"
    & skf18("1","8","9","3","2","6","1") = "8"
    & skf18("1","8","9","3","2","7","1") = "8"
    & skf18("1","8","9","3","2","8","1") = "8"
    & skf18("1","8","9","3","2","9","1") = "8"
    & skf18("1","8","9","3","2","10","1") = "9"
    & skf18("1","8","9","3","3","1","1") = "8"
    & skf18("1","8","9","3","3","2","1") = "8"
    & skf18("1","8","9","3","3","3","1") = "8"
    & skf18("1","8","9","3","3","4","1") = "8"
    & skf18("1","8","9","3","3","5","1") = "8"
    & skf18("1","8","9","3","3","6","1") = "8"
    & skf18("1","8","9","3","3","7","1") = "8"
    & skf18("1","8","9","3","3","8","1") = "8"
    & skf18("1","8","9","3","3","9","1") = "8"
    & skf18("1","8","9","3","3","10","1") = "9"
    & skf18("1","8","9","3","4","1","1") = "8"
    & skf18("1","8","9","3","4","2","1") = "8"
    & skf18("1","8","9","3","4","3","1") = "8"
    & skf18("1","8","9","3","4","4","1") = "8"
    & skf18("1","8","9","3","4","5","1") = "8"
    & skf18("1","8","9","3","4","6","1") = "8"
    & skf18("1","8","9","3","4","7","1") = "8"
    & skf18("1","8","9","3","4","8","1") = "8"
    & skf18("1","8","9","3","4","9","1") = "8"
    & skf18("1","8","9","3","4","10","1") = "9"
    & skf18("1","8","9","3","5","1","1") = "8"
    & skf18("1","8","9","3","5","2","1") = "8"
    & skf18("1","8","9","3","5","3","1") = "8"
    & skf18("1","8","9","3","5","4","1") = "8"
    & skf18("1","8","9","3","5","5","1") = "8"
    & skf18("1","8","9","3","5","6","1") = "8"
    & skf18("1","8","9","3","5","7","1") = "8"
    & skf18("1","8","9","3","5","8","1") = "8"
    & skf18("1","8","9","3","5","9","1") = "8"
    & skf18("1","8","9","3","5","10","1") = "9"
    & skf18("1","8","9","3","6","1","1") = "8"
    & skf18("1","8","9","3","6","2","1") = "8"
    & skf18("1","8","9","3","6","3","1") = "8"
    & skf18("1","8","9","3","6","4","1") = "8"
    & skf18("1","8","9","3","6","5","1") = "8"
    & skf18("1","8","9","3","6","6","1") = "8"
    & skf18("1","8","9","3","6","7","1") = "8"
    & skf18("1","8","9","3","6","8","1") = "8"
    & skf18("1","8","9","3","6","9","1") = "8"
    & skf18("1","8","9","3","6","10","1") = "9"
    & skf18("1","8","9","3","7","1","1") = "8"
    & skf18("1","8","9","3","7","2","1") = "8"
    & skf18("1","8","9","3","7","3","1") = "8"
    & skf18("1","8","9","3","7","4","1") = "8"
    & skf18("1","8","9","3","7","5","1") = "8"
    & skf18("1","8","9","3","7","6","1") = "8"
    & skf18("1","8","9","3","7","7","1") = "8"
    & skf18("1","8","9","3","7","8","1") = "8"
    & skf18("1","8","9","3","7","9","1") = "8"
    & skf18("1","8","9","3","7","10","1") = "9"
    & skf18("1","8","9","3","8","1","1") = "8"
    & skf18("1","8","9","3","8","2","1") = "8"
    & skf18("1","8","9","3","8","3","1") = "8"
    & skf18("1","8","9","3","8","4","1") = "8"
    & skf18("1","8","9","3","8","5","1") = "8"
    & skf18("1","8","9","3","8","6","1") = "8"
    & skf18("1","8","9","3","8","7","1") = "8"
    & skf18("1","8","9","3","8","8","1") = "8"
    & skf18("1","8","9","3","8","9","1") = "8"
    & skf18("1","8","9","3","8","10","1") = "9"
    & skf18("1","8","9","3","9","1","1") = "8"
    & skf18("1","8","9","3","9","2","1") = "8"
    & skf18("1","8","9","3","9","3","1") = "8"
    & skf18("1","8","9","3","9","4","1") = "8"
    & skf18("1","8","9","3","9","5","1") = "8"
    & skf18("1","8","9","3","9","6","1") = "8"
    & skf18("1","8","9","3","9","7","1") = "8"
    & skf18("1","8","9","3","9","8","1") = "8"
    & skf18("1","8","9","3","9","9","1") = "8"
    & skf18("1","8","9","3","9","10","1") = "9"
    & skf18("1","8","9","3","10","1","1") = "9"
    & skf18("1","8","9","3","10","2","1") = "9"
    & skf18("1","8","9","3","10","3","1") = "9"
    & skf18("1","8","9","3","10","4","1") = "9"
    & skf18("1","8","9","3","10","5","1") = "9"
    & skf18("1","8","9","3","10","6","1") = "9"
    & skf18("1","8","9","3","10","7","1") = "9"
    & skf18("1","8","9","3","10","8","1") = "9"
    & skf18("1","8","9","3","10","9","1") = "9"
    & skf18("1","8","9","3","10","10","1") = "9"
    & skf18("1","8","9","4","1","1","1") = "8"
    & skf18("1","8","9","4","1","2","1") = "8"
    & skf18("1","8","9","4","1","3","1") = "8"
    & skf18("1","8","9","4","1","4","1") = "8"
    & skf18("1","8","9","4","1","5","1") = "8"
    & skf18("1","8","9","4","1","6","1") = "8"
    & skf18("1","8","9","4","1","7","1") = "8"
    & skf18("1","8","9","4","1","8","1") = "8"
    & skf18("1","8","9","4","1","9","1") = "8"
    & skf18("1","8","9","4","1","10","1") = "9"
    & skf18("1","8","9","4","2","1","1") = "8"
    & skf18("1","8","9","4","2","2","1") = "8"
    & skf18("1","8","9","4","2","3","1") = "8"
    & skf18("1","8","9","4","2","4","1") = "8"
    & skf18("1","8","9","4","2","5","1") = "8"
    & skf18("1","8","9","4","2","6","1") = "8"
    & skf18("1","8","9","4","2","7","1") = "8"
    & skf18("1","8","9","4","2","8","1") = "8"
    & skf18("1","8","9","4","2","9","1") = "8"
    & skf18("1","8","9","4","2","10","1") = "9"
    & skf18("1","8","9","4","3","1","1") = "8"
    & skf18("1","8","9","4","3","2","1") = "8"
    & skf18("1","8","9","4","3","3","1") = "8"
    & skf18("1","8","9","4","3","4","1") = "8"
    & skf18("1","8","9","4","3","5","1") = "8"
    & skf18("1","8","9","4","3","6","1") = "8"
    & skf18("1","8","9","4","3","7","1") = "8"
    & skf18("1","8","9","4","3","8","1") = "8"
    & skf18("1","8","9","4","3","9","1") = "8"
    & skf18("1","8","9","4","3","10","1") = "9"
    & skf18("1","8","9","4","4","1","1") = "8"
    & skf18("1","8","9","4","4","2","1") = "8"
    & skf18("1","8","9","4","4","3","1") = "8"
    & skf18("1","8","9","4","4","4","1") = "8"
    & skf18("1","8","9","4","4","5","1") = "8"
    & skf18("1","8","9","4","4","6","1") = "8"
    & skf18("1","8","9","4","4","7","1") = "8"
    & skf18("1","8","9","4","4","8","1") = "8"
    & skf18("1","8","9","4","4","9","1") = "8"
    & skf18("1","8","9","4","4","10","1") = "9"
    & skf18("1","8","9","4","5","1","1") = "8"
    & skf18("1","8","9","4","5","2","1") = "8"
    & skf18("1","8","9","4","5","3","1") = "8"
    & skf18("1","8","9","4","5","4","1") = "8"
    & skf18("1","8","9","4","5","5","1") = "8"
    & skf18("1","8","9","4","5","6","1") = "8"
    & skf18("1","8","9","4","5","7","1") = "8"
    & skf18("1","8","9","4","5","8","1") = "8"
    & skf18("1","8","9","4","5","9","1") = "8"
    & skf18("1","8","9","4","5","10","1") = "9"
    & skf18("1","8","9","4","6","1","1") = "8"
    & skf18("1","8","9","4","6","2","1") = "8"
    & skf18("1","8","9","4","6","3","1") = "8"
    & skf18("1","8","9","4","6","4","1") = "8"
    & skf18("1","8","9","4","6","5","1") = "8"
    & skf18("1","8","9","4","6","6","1") = "8"
    & skf18("1","8","9","4","6","7","1") = "8"
    & skf18("1","8","9","4","6","8","1") = "8"
    & skf18("1","8","9","4","6","9","1") = "8"
    & skf18("1","8","9","4","6","10","1") = "9"
    & skf18("1","8","9","4","7","1","1") = "8"
    & skf18("1","8","9","4","7","2","1") = "8"
    & skf18("1","8","9","4","7","3","1") = "8"
    & skf18("1","8","9","4","7","4","1") = "8"
    & skf18("1","8","9","4","7","5","1") = "8"
    & skf18("1","8","9","4","7","6","1") = "8"
    & skf18("1","8","9","4","7","7","1") = "8"
    & skf18("1","8","9","4","7","8","1") = "8"
    & skf18("1","8","9","4","7","9","1") = "8"
    & skf18("1","8","9","4","7","10","1") = "9"
    & skf18("1","8","9","4","8","1","1") = "8"
    & skf18("1","8","9","4","8","2","1") = "8"
    & skf18("1","8","9","4","8","3","1") = "8"
    & skf18("1","8","9","4","8","4","1") = "8"
    & skf18("1","8","9","4","8","5","1") = "8"
    & skf18("1","8","9","4","8","6","1") = "8"
    & skf18("1","8","9","4","8","7","1") = "8"
    & skf18("1","8","9","4","8","8","1") = "8"
    & skf18("1","8","9","4","8","9","1") = "8"
    & skf18("1","8","9","4","8","10","1") = "9"
    & skf18("1","8","9","4","9","1","1") = "8"
    & skf18("1","8","9","4","9","2","1") = "8"
    & skf18("1","8","9","4","9","3","1") = "8"
    & skf18("1","8","9","4","9","4","1") = "8"
    & skf18("1","8","9","4","9","5","1") = "8"
    & skf18("1","8","9","4","9","6","1") = "8"
    & skf18("1","8","9","4","9","7","1") = "8"
    & skf18("1","8","9","4","9","8","1") = "8"
    & skf18("1","8","9","4","9","9","1") = "8"
    & skf18("1","8","9","4","9","10","1") = "9"
    & skf18("1","8","9","4","10","1","1") = "9"
    & skf18("1","8","9","4","10","2","1") = "9"
    & skf18("1","8","9","4","10","3","1") = "9"
    & skf18("1","8","9","4","10","4","1") = "9"
    & skf18("1","8","9","4","10","5","1") = "9"
    & skf18("1","8","9","4","10","6","1") = "9"
    & skf18("1","8","9","4","10","7","1") = "9"
    & skf18("1","8","9","4","10","8","1") = "9"
    & skf18("1","8","9","4","10","9","1") = "9"
    & skf18("1","8","9","4","10","10","1") = "9"
    & skf18("1","8","9","5","1","1","1") = "8"
    & skf18("1","8","9","5","1","2","1") = "8"
    & skf18("1","8","9","5","1","3","1") = "8"
    & skf18("1","8","9","5","1","4","1") = "8"
    & skf18("1","8","9","5","1","5","1") = "8"
    & skf18("1","8","9","5","1","6","1") = "8"
    & skf18("1","8","9","5","1","7","1") = "8"
    & skf18("1","8","9","5","1","8","1") = "8"
    & skf18("1","8","9","5","1","9","1") = "8"
    & skf18("1","8","9","5","1","10","1") = "9"
    & skf18("1","8","9","5","2","1","1") = "8"
    & skf18("1","8","9","5","2","2","1") = "8"
    & skf18("1","8","9","5","2","3","1") = "8"
    & skf18("1","8","9","5","2","4","1") = "8"
    & skf18("1","8","9","5","2","5","1") = "8"
    & skf18("1","8","9","5","2","6","1") = "8"
    & skf18("1","8","9","5","2","7","1") = "8"
    & skf18("1","8","9","5","2","8","1") = "8"
    & skf18("1","8","9","5","2","9","1") = "8"
    & skf18("1","8","9","5","2","10","1") = "9"
    & skf18("1","8","9","5","3","1","1") = "8"
    & skf18("1","8","9","5","3","2","1") = "8"
    & skf18("1","8","9","5","3","3","1") = "8"
    & skf18("1","8","9","5","3","4","1") = "8"
    & skf18("1","8","9","5","3","5","1") = "8"
    & skf18("1","8","9","5","3","6","1") = "8"
    & skf18("1","8","9","5","3","7","1") = "8"
    & skf18("1","8","9","5","3","8","1") = "8"
    & skf18("1","8","9","5","3","9","1") = "8"
    & skf18("1","8","9","5","3","10","1") = "9"
    & skf18("1","8","9","5","4","1","1") = "8"
    & skf18("1","8","9","5","4","2","1") = "8"
    & skf18("1","8","9","5","4","3","1") = "8"
    & skf18("1","8","9","5","4","4","1") = "8"
    & skf18("1","8","9","5","4","5","1") = "8"
    & skf18("1","8","9","5","4","6","1") = "8"
    & skf18("1","8","9","5","4","7","1") = "8"
    & skf18("1","8","9","5","4","8","1") = "8"
    & skf18("1","8","9","5","4","9","1") = "8"
    & skf18("1","8","9","5","4","10","1") = "9"
    & skf18("1","8","9","5","5","1","1") = "8"
    & skf18("1","8","9","5","5","2","1") = "8"
    & skf18("1","8","9","5","5","3","1") = "8"
    & skf18("1","8","9","5","5","4","1") = "8"
    & skf18("1","8","9","5","5","5","1") = "8"
    & skf18("1","8","9","5","5","6","1") = "8"
    & skf18("1","8","9","5","5","7","1") = "8"
    & skf18("1","8","9","5","5","8","1") = "8"
    & skf18("1","8","9","5","5","9","1") = "8"
    & skf18("1","8","9","5","5","10","1") = "9"
    & skf18("1","8","9","5","6","1","1") = "8"
    & skf18("1","8","9","5","6","2","1") = "8"
    & skf18("1","8","9","5","6","3","1") = "8"
    & skf18("1","8","9","5","6","4","1") = "8"
    & skf18("1","8","9","5","6","5","1") = "8"
    & skf18("1","8","9","5","6","6","1") = "8"
    & skf18("1","8","9","5","6","7","1") = "8"
    & skf18("1","8","9","5","6","8","1") = "8"
    & skf18("1","8","9","5","6","9","1") = "8"
    & skf18("1","8","9","5","6","10","1") = "9"
    & skf18("1","8","9","5","7","1","1") = "8"
    & skf18("1","8","9","5","7","2","1") = "8"
    & skf18("1","8","9","5","7","3","1") = "8"
    & skf18("1","8","9","5","7","4","1") = "8"
    & skf18("1","8","9","5","7","5","1") = "8"
    & skf18("1","8","9","5","7","6","1") = "8"
    & skf18("1","8","9","5","7","7","1") = "8"
    & skf18("1","8","9","5","7","8","1") = "8"
    & skf18("1","8","9","5","7","9","1") = "8"
    & skf18("1","8","9","5","7","10","1") = "9"
    & skf18("1","8","9","5","8","1","1") = "8"
    & skf18("1","8","9","5","8","2","1") = "8"
    & skf18("1","8","9","5","8","3","1") = "8"
    & skf18("1","8","9","5","8","4","1") = "8"
    & skf18("1","8","9","5","8","5","1") = "8"
    & skf18("1","8","9","5","8","6","1") = "8"
    & skf18("1","8","9","5","8","7","1") = "8"
    & skf18("1","8","9","5","8","8","1") = "8"
    & skf18("1","8","9","5","8","9","1") = "8"
    & skf18("1","8","9","5","8","10","1") = "9"
    & skf18("1","8","9","5","9","1","1") = "8"
    & skf18("1","8","9","5","9","2","1") = "8"
    & skf18("1","8","9","5","9","3","1") = "8"
    & skf18("1","8","9","5","9","4","1") = "8"
    & skf18("1","8","9","5","9","5","1") = "8"
    & skf18("1","8","9","5","9","6","1") = "8"
    & skf18("1","8","9","5","9","7","1") = "8"
    & skf18("1","8","9","5","9","8","1") = "8"
    & skf18("1","8","9","5","9","9","1") = "8"
    & skf18("1","8","9","5","9","10","1") = "9"
    & skf18("1","8","9","5","10","1","1") = "9"
    & skf18("1","8","9","5","10","2","1") = "9"
    & skf18("1","8","9","5","10","3","1") = "9"
    & skf18("1","8","9","5","10","4","1") = "9"
    & skf18("1","8","9","5","10","5","1") = "9"
    & skf18("1","8","9","5","10","6","1") = "9"
    & skf18("1","8","9","5","10","7","1") = "9"
    & skf18("1","8","9","5","10","8","1") = "9"
    & skf18("1","8","9","5","10","9","1") = "9"
    & skf18("1","8","9","5","10","10","1") = "9"
    & skf18("1","8","9","6","1","1","1") = "8"
    & skf18("1","8","9","6","1","2","1") = "8"
    & skf18("1","8","9","6","1","3","1") = "8"
    & skf18("1","8","9","6","1","4","1") = "8"
    & skf18("1","8","9","6","1","5","1") = "8"
    & skf18("1","8","9","6","1","6","1") = "8"
    & skf18("1","8","9","6","1","7","1") = "8"
    & skf18("1","8","9","6","1","8","1") = "8"
    & skf18("1","8","9","6","1","9","1") = "8"
    & skf18("1","8","9","6","1","10","1") = "9"
    & skf18("1","8","9","6","2","1","1") = "8"
    & skf18("1","8","9","6","2","2","1") = "8"
    & skf18("1","8","9","6","2","3","1") = "8"
    & skf18("1","8","9","6","2","4","1") = "8"
    & skf18("1","8","9","6","2","5","1") = "8"
    & skf18("1","8","9","6","2","6","1") = "8"
    & skf18("1","8","9","6","2","7","1") = "8"
    & skf18("1","8","9","6","2","8","1") = "8"
    & skf18("1","8","9","6","2","9","1") = "8"
    & skf18("1","8","9","6","2","10","1") = "9"
    & skf18("1","8","9","6","3","1","1") = "8"
    & skf18("1","8","9","6","3","2","1") = "8"
    & skf18("1","8","9","6","3","3","1") = "8"
    & skf18("1","8","9","6","3","4","1") = "8"
    & skf18("1","8","9","6","3","5","1") = "8"
    & skf18("1","8","9","6","3","6","1") = "8"
    & skf18("1","8","9","6","3","7","1") = "8"
    & skf18("1","8","9","6","3","8","1") = "8"
    & skf18("1","8","9","6","3","9","1") = "8"
    & skf18("1","8","9","6","3","10","1") = "9"
    & skf18("1","8","9","6","4","1","1") = "8"
    & skf18("1","8","9","6","4","2","1") = "8"
    & skf18("1","8","9","6","4","3","1") = "8"
    & skf18("1","8","9","6","4","4","1") = "8"
    & skf18("1","8","9","6","4","5","1") = "8"
    & skf18("1","8","9","6","4","6","1") = "8"
    & skf18("1","8","9","6","4","7","1") = "8"
    & skf18("1","8","9","6","4","8","1") = "8"
    & skf18("1","8","9","6","4","9","1") = "8"
    & skf18("1","8","9","6","4","10","1") = "9"
    & skf18("1","8","9","6","5","1","1") = "8"
    & skf18("1","8","9","6","5","2","1") = "8"
    & skf18("1","8","9","6","5","3","1") = "8"
    & skf18("1","8","9","6","5","4","1") = "8"
    & skf18("1","8","9","6","5","5","1") = "8"
    & skf18("1","8","9","6","5","6","1") = "8"
    & skf18("1","8","9","6","5","7","1") = "8"
    & skf18("1","8","9","6","5","8","1") = "8"
    & skf18("1","8","9","6","5","9","1") = "8"
    & skf18("1","8","9","6","5","10","1") = "9"
    & skf18("1","8","9","6","6","1","1") = "8"
    & skf18("1","8","9","6","6","2","1") = "8"
    & skf18("1","8","9","6","6","3","1") = "8"
    & skf18("1","8","9","6","6","4","1") = "8"
    & skf18("1","8","9","6","6","5","1") = "8"
    & skf18("1","8","9","6","6","6","1") = "8"
    & skf18("1","8","9","6","6","7","1") = "8"
    & skf18("1","8","9","6","6","8","1") = "8"
    & skf18("1","8","9","6","6","9","1") = "8"
    & skf18("1","8","9","6","6","10","1") = "9"
    & skf18("1","8","9","6","7","1","1") = "8"
    & skf18("1","8","9","6","7","2","1") = "8"
    & skf18("1","8","9","6","7","3","1") = "8"
    & skf18("1","8","9","6","7","4","1") = "8"
    & skf18("1","8","9","6","7","5","1") = "8"
    & skf18("1","8","9","6","7","6","1") = "8"
    & skf18("1","8","9","6","7","7","1") = "8"
    & skf18("1","8","9","6","7","8","1") = "8"
    & skf18("1","8","9","6","7","9","1") = "8"
    & skf18("1","8","9","6","7","10","1") = "9"
    & skf18("1","8","9","6","8","1","1") = "8"
    & skf18("1","8","9","6","8","2","1") = "8"
    & skf18("1","8","9","6","8","3","1") = "8"
    & skf18("1","8","9","6","8","4","1") = "8"
    & skf18("1","8","9","6","8","5","1") = "8"
    & skf18("1","8","9","6","8","6","1") = "8"
    & skf18("1","8","9","6","8","7","1") = "8"
    & skf18("1","8","9","6","8","8","1") = "8"
    & skf18("1","8","9","6","8","9","1") = "8"
    & skf18("1","8","9","6","8","10","1") = "9"
    & skf18("1","8","9","6","9","1","1") = "8"
    & skf18("1","8","9","6","9","2","1") = "8"
    & skf18("1","8","9","6","9","3","1") = "8"
    & skf18("1","8","9","6","9","4","1") = "8"
    & skf18("1","8","9","6","9","5","1") = "8"
    & skf18("1","8","9","6","9","6","1") = "8"
    & skf18("1","8","9","6","9","7","1") = "8"
    & skf18("1","8","9","6","9","8","1") = "8"
    & skf18("1","8","9","6","9","9","1") = "8"
    & skf18("1","8","9","6","9","10","1") = "9"
    & skf18("1","8","9","6","10","1","1") = "9"
    & skf18("1","8","9","6","10","2","1") = "9"
    & skf18("1","8","9","6","10","3","1") = "9"
    & skf18("1","8","9","6","10","4","1") = "9"
    & skf18("1","8","9","6","10","5","1") = "9"
    & skf18("1","8","9","6","10","6","1") = "9"
    & skf18("1","8","9","6","10","7","1") = "9"
    & skf18("1","8","9","6","10","8","1") = "9"
    & skf18("1","8","9","6","10","9","1") = "9"
    & skf18("1","8","9","6","10","10","1") = "9"
    & skf18("1","8","9","7","1","1","1") = "8"
    & skf18("1","8","9","7","1","2","1") = "8"
    & skf18("1","8","9","7","1","3","1") = "8"
    & skf18("1","8","9","7","1","4","1") = "8"
    & skf18("1","8","9","7","1","5","1") = "8"
    & skf18("1","8","9","7","1","6","1") = "8"
    & skf18("1","8","9","7","1","7","1") = "8"
    & skf18("1","8","9","7","1","8","1") = "8"
    & skf18("1","8","9","7","1","9","1") = "8"
    & skf18("1","8","9","7","1","10","1") = "9"
    & skf18("1","8","9","7","2","1","1") = "8"
    & skf18("1","8","9","7","2","2","1") = "8"
    & skf18("1","8","9","7","2","3","1") = "8"
    & skf18("1","8","9","7","2","4","1") = "8"
    & skf18("1","8","9","7","2","5","1") = "8"
    & skf18("1","8","9","7","2","6","1") = "8"
    & skf18("1","8","9","7","2","7","1") = "8"
    & skf18("1","8","9","7","2","8","1") = "8"
    & skf18("1","8","9","7","2","9","1") = "8"
    & skf18("1","8","9","7","2","10","1") = "9"
    & skf18("1","8","9","7","3","1","1") = "8"
    & skf18("1","8","9","7","3","2","1") = "8"
    & skf18("1","8","9","7","3","3","1") = "8"
    & skf18("1","8","9","7","3","4","1") = "8"
    & skf18("1","8","9","7","3","5","1") = "8"
    & skf18("1","8","9","7","3","6","1") = "8"
    & skf18("1","8","9","7","3","7","1") = "8"
    & skf18("1","8","9","7","3","8","1") = "8"
    & skf18("1","8","9","7","3","9","1") = "8"
    & skf18("1","8","9","7","3","10","1") = "9"
    & skf18("1","8","9","7","4","1","1") = "8"
    & skf18("1","8","9","7","4","2","1") = "8"
    & skf18("1","8","9","7","4","3","1") = "8"
    & skf18("1","8","9","7","4","4","1") = "8"
    & skf18("1","8","9","7","4","5","1") = "8"
    & skf18("1","8","9","7","4","6","1") = "8"
    & skf18("1","8","9","7","4","7","1") = "8"
    & skf18("1","8","9","7","4","8","1") = "8"
    & skf18("1","8","9","7","4","9","1") = "8"
    & skf18("1","8","9","7","4","10","1") = "9"
    & skf18("1","8","9","7","5","1","1") = "8"
    & skf18("1","8","9","7","5","2","1") = "8"
    & skf18("1","8","9","7","5","3","1") = "8"
    & skf18("1","8","9","7","5","4","1") = "8"
    & skf18("1","8","9","7","5","5","1") = "8"
    & skf18("1","8","9","7","5","6","1") = "8"
    & skf18("1","8","9","7","5","7","1") = "8"
    & skf18("1","8","9","7","5","8","1") = "8"
    & skf18("1","8","9","7","5","9","1") = "8"
    & skf18("1","8","9","7","5","10","1") = "9"
    & skf18("1","8","9","7","6","1","1") = "8"
    & skf18("1","8","9","7","6","2","1") = "8"
    & skf18("1","8","9","7","6","3","1") = "8"
    & skf18("1","8","9","7","6","4","1") = "8"
    & skf18("1","8","9","7","6","5","1") = "8"
    & skf18("1","8","9","7","6","6","1") = "8"
    & skf18("1","8","9","7","6","7","1") = "8"
    & skf18("1","8","9","7","6","8","1") = "8"
    & skf18("1","8","9","7","6","9","1") = "8"
    & skf18("1","8","9","7","6","10","1") = "9"
    & skf18("1","8","9","7","7","1","1") = "8"
    & skf18("1","8","9","7","7","2","1") = "8"
    & skf18("1","8","9","7","7","3","1") = "8"
    & skf18("1","8","9","7","7","4","1") = "8"
    & skf18("1","8","9","7","7","5","1") = "8"
    & skf18("1","8","9","7","7","6","1") = "8"
    & skf18("1","8","9","7","7","7","1") = "8"
    & skf18("1","8","9","7","7","8","1") = "8"
    & skf18("1","8","9","7","7","9","1") = "8"
    & skf18("1","8","9","7","7","10","1") = "9"
    & skf18("1","8","9","7","8","1","1") = "8"
    & skf18("1","8","9","7","8","2","1") = "8"
    & skf18("1","8","9","7","8","3","1") = "8"
    & skf18("1","8","9","7","8","4","1") = "8"
    & skf18("1","8","9","7","8","5","1") = "8"
    & skf18("1","8","9","7","8","6","1") = "8"
    & skf18("1","8","9","7","8","7","1") = "8"
    & skf18("1","8","9","7","8","8","1") = "8"
    & skf18("1","8","9","7","8","9","1") = "8"
    & skf18("1","8","9","7","8","10","1") = "9"
    & skf18("1","8","9","7","9","1","1") = "8"
    & skf18("1","8","9","7","9","2","1") = "8"
    & skf18("1","8","9","7","9","3","1") = "8"
    & skf18("1","8","9","7","9","4","1") = "8"
    & skf18("1","8","9","7","9","5","1") = "8"
    & skf18("1","8","9","7","9","6","1") = "8"
    & skf18("1","8","9","7","9","7","1") = "8"
    & skf18("1","8","9","7","9","8","1") = "8"
    & skf18("1","8","9","7","9","9","1") = "8"
    & skf18("1","8","9","7","9","10","1") = "9"
    & skf18("1","8","9","7","10","1","1") = "9"
    & skf18("1","8","9","7","10","2","1") = "9"
    & skf18("1","8","9","7","10","3","1") = "9"
    & skf18("1","8","9","7","10","4","1") = "9"
    & skf18("1","8","9","7","10","5","1") = "9"
    & skf18("1","8","9","7","10","6","1") = "9"
    & skf18("1","8","9","7","10","7","1") = "9"
    & skf18("1","8","9","7","10","8","1") = "9"
    & skf18("1","8","9","7","10","9","1") = "9"
    & skf18("1","8","9","7","10","10","1") = "9"
    & skf18("1","8","9","8","1","1","1") = "8"
    & skf18("1","8","9","8","1","2","1") = "8"
    & skf18("1","8","9","8","1","3","1") = "8"
    & skf18("1","8","9","8","1","4","1") = "8"
    & skf18("1","8","9","8","1","5","1") = "8"
    & skf18("1","8","9","8","1","6","1") = "8"
    & skf18("1","8","9","8","1","7","1") = "8"
    & skf18("1","8","9","8","1","8","1") = "8"
    & skf18("1","8","9","8","1","9","1") = "8"
    & skf18("1","8","9","8","1","10","1") = "9"
    & skf18("1","8","9","8","2","1","1") = "8"
    & skf18("1","8","9","8","2","2","1") = "8"
    & skf18("1","8","9","8","2","3","1") = "8"
    & skf18("1","8","9","8","2","4","1") = "8"
    & skf18("1","8","9","8","2","5","1") = "8"
    & skf18("1","8","9","8","2","6","1") = "8"
    & skf18("1","8","9","8","2","7","1") = "8"
    & skf18("1","8","9","8","2","8","1") = "8"
    & skf18("1","8","9","8","2","9","1") = "8"
    & skf18("1","8","9","8","2","10","1") = "9"
    & skf18("1","8","9","8","3","1","1") = "8"
    & skf18("1","8","9","8","3","2","1") = "8"
    & skf18("1","8","9","8","3","3","1") = "8"
    & skf18("1","8","9","8","3","4","1") = "8"
    & skf18("1","8","9","8","3","5","1") = "8"
    & skf18("1","8","9","8","3","6","1") = "8"
    & skf18("1","8","9","8","3","7","1") = "8"
    & skf18("1","8","9","8","3","8","1") = "8"
    & skf18("1","8","9","8","3","9","1") = "8"
    & skf18("1","8","9","8","3","10","1") = "9"
    & skf18("1","8","9","8","4","1","1") = "8"
    & skf18("1","8","9","8","4","2","1") = "8"
    & skf18("1","8","9","8","4","3","1") = "8"
    & skf18("1","8","9","8","4","4","1") = "8"
    & skf18("1","8","9","8","4","5","1") = "8"
    & skf18("1","8","9","8","4","6","1") = "8"
    & skf18("1","8","9","8","4","7","1") = "8"
    & skf18("1","8","9","8","4","8","1") = "8"
    & skf18("1","8","9","8","4","9","1") = "8"
    & skf18("1","8","9","8","4","10","1") = "9"
    & skf18("1","8","9","8","5","1","1") = "8"
    & skf18("1","8","9","8","5","2","1") = "8"
    & skf18("1","8","9","8","5","3","1") = "8"
    & skf18("1","8","9","8","5","4","1") = "8"
    & skf18("1","8","9","8","5","5","1") = "8"
    & skf18("1","8","9","8","5","6","1") = "8"
    & skf18("1","8","9","8","5","7","1") = "8"
    & skf18("1","8","9","8","5","8","1") = "8"
    & skf18("1","8","9","8","5","9","1") = "8"
    & skf18("1","8","9","8","5","10","1") = "9"
    & skf18("1","8","9","8","6","1","1") = "8"
    & skf18("1","8","9","8","6","2","1") = "8"
    & skf18("1","8","9","8","6","3","1") = "8"
    & skf18("1","8","9","8","6","4","1") = "8"
    & skf18("1","8","9","8","6","5","1") = "8"
    & skf18("1","8","9","8","6","6","1") = "8"
    & skf18("1","8","9","8","6","7","1") = "8"
    & skf18("1","8","9","8","6","8","1") = "8"
    & skf18("1","8","9","8","6","9","1") = "8"
    & skf18("1","8","9","8","6","10","1") = "9"
    & skf18("1","8","9","8","7","1","1") = "8"
    & skf18("1","8","9","8","7","2","1") = "8"
    & skf18("1","8","9","8","7","3","1") = "8"
    & skf18("1","8","9","8","7","4","1") = "8"
    & skf18("1","8","9","8","7","5","1") = "8"
    & skf18("1","8","9","8","7","6","1") = "8"
    & skf18("1","8","9","8","7","7","1") = "8"
    & skf18("1","8","9","8","7","8","1") = "8"
    & skf18("1","8","9","8","7","9","1") = "8"
    & skf18("1","8","9","8","7","10","1") = "9"
    & skf18("1","8","9","8","8","1","1") = "8"
    & skf18("1","8","9","8","8","2","1") = "8"
    & skf18("1","8","9","8","8","3","1") = "8"
    & skf18("1","8","9","8","8","4","1") = "8"
    & skf18("1","8","9","8","8","5","1") = "8"
    & skf18("1","8","9","8","8","6","1") = "8"
    & skf18("1","8","9","8","8","7","1") = "8"
    & skf18("1","8","9","8","8","8","1") = "8"
    & skf18("1","8","9","8","8","9","1") = "8"
    & skf18("1","8","9","8","8","10","1") = "9"
    & skf18("1","8","9","8","9","1","1") = "8"
    & skf18("1","8","9","8","9","2","1") = "8"
    & skf18("1","8","9","8","9","3","1") = "8"
    & skf18("1","8","9","8","9","4","1") = "8"
    & skf18("1","8","9","8","9","5","1") = "8"
    & skf18("1","8","9","8","9","6","1") = "8"
    & skf18("1","8","9","8","9","7","1") = "8"
    & skf18("1","8","9","8","9","8","1") = "8"
    & skf18("1","8","9","8","9","9","1") = "8"
    & skf18("1","8","9","8","9","10","1") = "9"
    & skf18("1","8","9","8","10","1","1") = "9"
    & skf18("1","8","9","8","10","2","1") = "9"
    & skf18("1","8","9","8","10","3","1") = "9"
    & skf18("1","8","9","8","10","4","1") = "9"
    & skf18("1","8","9","8","10","5","1") = "9"
    & skf18("1","8","9","8","10","6","1") = "9"
    & skf18("1","8","9","8","10","7","1") = "9"
    & skf18("1","8","9","8","10","8","1") = "9"
    & skf18("1","8","9","8","10","9","1") = "9"
    & skf18("1","8","9","8","10","10","1") = "9"
    & skf18("1","8","9","9","1","1","1") = "8"
    & skf18("1","8","9","9","1","2","1") = "8"
    & skf18("1","8","9","9","1","3","1") = "8"
    & skf18("1","8","9","9","1","4","1") = "8"
    & skf18("1","8","9","9","1","5","1") = "8"
    & skf18("1","8","9","9","1","6","1") = "8"
    & skf18("1","8","9","9","1","7","1") = "8"
    & skf18("1","8","9","9","1","8","1") = "8"
    & skf18("1","8","9","9","1","9","1") = "8"
    & skf18("1","8","9","9","1","10","1") = "9"
    & skf18("1","8","9","9","2","1","1") = "8"
    & skf18("1","8","9","9","2","2","1") = "8"
    & skf18("1","8","9","9","2","3","1") = "8"
    & skf18("1","8","9","9","2","4","1") = "8"
    & skf18("1","8","9","9","2","5","1") = "8"
    & skf18("1","8","9","9","2","6","1") = "8"
    & skf18("1","8","9","9","2","7","1") = "8"
    & skf18("1","8","9","9","2","8","1") = "8"
    & skf18("1","8","9","9","2","9","1") = "8"
    & skf18("1","8","9","9","2","10","1") = "9"
    & skf18("1","8","9","9","3","1","1") = "8"
    & skf18("1","8","9","9","3","2","1") = "8"
    & skf18("1","8","9","9","3","3","1") = "8"
    & skf18("1","8","9","9","3","4","1") = "8"
    & skf18("1","8","9","9","3","5","1") = "8"
    & skf18("1","8","9","9","3","6","1") = "8"
    & skf18("1","8","9","9","3","7","1") = "8"
    & skf18("1","8","9","9","3","8","1") = "8"
    & skf18("1","8","9","9","3","9","1") = "8"
    & skf18("1","8","9","9","3","10","1") = "9"
    & skf18("1","8","9","9","4","1","1") = "8"
    & skf18("1","8","9","9","4","2","1") = "8"
    & skf18("1","8","9","9","4","3","1") = "8"
    & skf18("1","8","9","9","4","4","1") = "8"
    & skf18("1","8","9","9","4","5","1") = "8"
    & skf18("1","8","9","9","4","6","1") = "8"
    & skf18("1","8","9","9","4","7","1") = "8"
    & skf18("1","8","9","9","4","8","1") = "8"
    & skf18("1","8","9","9","4","9","1") = "8"
    & skf18("1","8","9","9","4","10","1") = "9"
    & skf18("1","8","9","9","5","1","1") = "8"
    & skf18("1","8","9","9","5","2","1") = "8"
    & skf18("1","8","9","9","5","3","1") = "8"
    & skf18("1","8","9","9","5","4","1") = "8"
    & skf18("1","8","9","9","5","5","1") = "8"
    & skf18("1","8","9","9","5","6","1") = "8"
    & skf18("1","8","9","9","5","7","1") = "8"
    & skf18("1","8","9","9","5","8","1") = "8"
    & skf18("1","8","9","9","5","9","1") = "8"
    & skf18("1","8","9","9","5","10","1") = "9"
    & skf18("1","8","9","9","6","1","1") = "8"
    & skf18("1","8","9","9","6","2","1") = "8"
    & skf18("1","8","9","9","6","3","1") = "8"
    & skf18("1","8","9","9","6","4","1") = "8"
    & skf18("1","8","9","9","6","5","1") = "8"
    & skf18("1","8","9","9","6","6","1") = "8"
    & skf18("1","8","9","9","6","7","1") = "8"
    & skf18("1","8","9","9","6","8","1") = "8"
    & skf18("1","8","9","9","6","9","1") = "8"
    & skf18("1","8","9","9","6","10","1") = "9"
    & skf18("1","8","9","9","7","1","1") = "8"
    & skf18("1","8","9","9","7","2","1") = "8"
    & skf18("1","8","9","9","7","3","1") = "8"
    & skf18("1","8","9","9","7","4","1") = "8"
    & skf18("1","8","9","9","7","5","1") = "8"
    & skf18("1","8","9","9","7","6","1") = "8"
    & skf18("1","8","9","9","7","7","1") = "8"
    & skf18("1","8","9","9","7","8","1") = "8"
    & skf18("1","8","9","9","7","9","1") = "8"
    & skf18("1","8","9","9","7","10","1") = "9"
    & skf18("1","8","9","9","8","1","1") = "8"
    & skf18("1","8","9","9","8","2","1") = "8"
    & skf18("1","8","9","9","8","3","1") = "8"
    & skf18("1","8","9","9","8","4","1") = "8"
    & skf18("1","8","9","9","8","5","1") = "8"
    & skf18("1","8","9","9","8","6","1") = "8"
    & skf18("1","8","9","9","8","7","1") = "8"
    & skf18("1","8","9","9","8","8","1") = "8"
    & skf18("1","8","9","9","8","9","1") = "8"
    & skf18("1","8","9","9","8","10","1") = "9"
    & skf18("1","8","9","9","9","1","1") = "8"
    & skf18("1","8","9","9","9","2","1") = "8"
    & skf18("1","8","9","9","9","3","1") = "8"
    & skf18("1","8","9","9","9","4","1") = "8"
    & skf18("1","8","9","9","9","5","1") = "8"
    & skf18("1","8","9","9","9","6","1") = "8"
    & skf18("1","8","9","9","9","7","1") = "8"
    & skf18("1","8","9","9","9","8","1") = "8"
    & skf18("1","8","9","9","9","9","1") = "8"
    & skf18("1","8","9","9","9","10","1") = "9"
    & skf18("1","8","9","9","10","1","1") = "9"
    & skf18("1","8","9","9","10","2","1") = "9"
    & skf18("1","8","9","9","10","3","1") = "9"
    & skf18("1","8","9","9","10","4","1") = "9"
    & skf18("1","8","9","9","10","5","1") = "9"
    & skf18("1","8","9","9","10","6","1") = "9"
    & skf18("1","8","9","9","10","7","1") = "9"
    & skf18("1","8","9","9","10","8","1") = "9"
    & skf18("1","8","9","9","10","9","1") = "9"
    & skf18("1","8","9","9","10","10","1") = "9"
    & skf18("1","8","9","10","1","1","1") = "9"
    & skf18("1","8","9","10","1","2","1") = "9"
    & skf18("1","8","9","10","1","3","1") = "9"
    & skf18("1","8","9","10","1","4","1") = "9"
    & skf18("1","8","9","10","1","5","1") = "9"
    & skf18("1","8","9","10","1","6","1") = "9"
    & skf18("1","8","9","10","1","7","1") = "9"
    & skf18("1","8","9","10","1","8","1") = "9"
    & skf18("1","8","9","10","1","9","1") = "9"
    & skf18("1","8","9","10","1","10","1") = "9"
    & skf18("1","8","9","10","2","1","1") = "9"
    & skf18("1","8","9","10","2","2","1") = "9"
    & skf18("1","8","9","10","2","3","1") = "9"
    & skf18("1","8","9","10","2","4","1") = "9"
    & skf18("1","8","9","10","2","5","1") = "9"
    & skf18("1","8","9","10","2","6","1") = "9"
    & skf18("1","8","9","10","2","7","1") = "9"
    & skf18("1","8","9","10","2","8","1") = "9"
    & skf18("1","8","9","10","2","9","1") = "9"
    & skf18("1","8","9","10","2","10","1") = "9"
    & skf18("1","8","9","10","3","1","1") = "9"
    & skf18("1","8","9","10","3","2","1") = "9"
    & skf18("1","8","9","10","3","3","1") = "9"
    & skf18("1","8","9","10","3","4","1") = "9"
    & skf18("1","8","9","10","3","5","1") = "9"
    & skf18("1","8","9","10","3","6","1") = "9"
    & skf18("1","8","9","10","3","7","1") = "9"
    & skf18("1","8","9","10","3","8","1") = "9"
    & skf18("1","8","9","10","3","9","1") = "9"
    & skf18("1","8","9","10","3","10","1") = "9"
    & skf18("1","8","9","10","4","1","1") = "9"
    & skf18("1","8","9","10","4","2","1") = "9"
    & skf18("1","8","9","10","4","3","1") = "9"
    & skf18("1","8","9","10","4","4","1") = "9"
    & skf18("1","8","9","10","4","5","1") = "9"
    & skf18("1","8","9","10","4","6","1") = "9"
    & skf18("1","8","9","10","4","7","1") = "9"
    & skf18("1","8","9","10","4","8","1") = "9"
    & skf18("1","8","9","10","4","9","1") = "9"
    & skf18("1","8","9","10","4","10","1") = "9"
    & skf18("1","8","9","10","5","1","1") = "9"
    & skf18("1","8","9","10","5","2","1") = "9"
    & skf18("1","8","9","10","5","3","1") = "9"
    & skf18("1","8","9","10","5","4","1") = "9"
    & skf18("1","8","9","10","5","5","1") = "9"
    & skf18("1","8","9","10","5","6","1") = "9"
    & skf18("1","8","9","10","5","7","1") = "9"
    & skf18("1","8","9","10","5","8","1") = "9"
    & skf18("1","8","9","10","5","9","1") = "9"
    & skf18("1","8","9","10","5","10","1") = "9"
    & skf18("1","8","9","10","6","1","1") = "9"
    & skf18("1","8","9","10","6","2","1") = "9"
    & skf18("1","8","9","10","6","3","1") = "9"
    & skf18("1","8","9","10","6","4","1") = "9"
    & skf18("1","8","9","10","6","5","1") = "9"
    & skf18("1","8","9","10","6","6","1") = "9"
    & skf18("1","8","9","10","6","7","1") = "9"
    & skf18("1","8","9","10","6","8","1") = "9"
    & skf18("1","8","9","10","6","9","1") = "9"
    & skf18("1","8","9","10","6","10","1") = "9"
    & skf18("1","8","9","10","7","1","1") = "9"
    & skf18("1","8","9","10","7","2","1") = "9"
    & skf18("1","8","9","10","7","3","1") = "9"
    & skf18("1","8","9","10","7","4","1") = "9"
    & skf18("1","8","9","10","7","5","1") = "9"
    & skf18("1","8","9","10","7","6","1") = "9"
    & skf18("1","8","9","10","7","7","1") = "9"
    & skf18("1","8","9","10","7","8","1") = "9"
    & skf18("1","8","9","10","7","9","1") = "9"
    & skf18("1","8","9","10","7","10","1") = "9"
    & skf18("1","8","9","10","8","1","1") = "9"
    & skf18("1","8","9","10","8","2","1") = "9"
    & skf18("1","8","9","10","8","3","1") = "9"
    & skf18("1","8","9","10","8","4","1") = "9"
    & skf18("1","8","9","10","8","5","1") = "9"
    & skf18("1","8","9","10","8","6","1") = "9"
    & skf18("1","8","9","10","8","7","1") = "9"
    & skf18("1","8","9","10","8","8","1") = "9"
    & skf18("1","8","9","10","8","9","1") = "9"
    & skf18("1","8","9","10","8","10","1") = "9"
    & skf18("1","8","9","10","9","1","1") = "9"
    & skf18("1","8","9","10","9","2","1") = "9"
    & skf18("1","8","9","10","9","3","1") = "9"
    & skf18("1","8","9","10","9","4","1") = "9"
    & skf18("1","8","9","10","9","5","1") = "9"
    & skf18("1","8","9","10","9","6","1") = "9"
    & skf18("1","8","9","10","9","7","1") = "9"
    & skf18("1","8","9","10","9","8","1") = "9"
    & skf18("1","8","9","10","9","9","1") = "9"
    & skf18("1","8","9","10","9","10","1") = "9"
    & skf18("1","8","9","10","10","1","1") = "9"
    & skf18("1","8","9","10","10","2","1") = "9"
    & skf18("1","8","9","10","10","3","1") = "9"
    & skf18("1","8","9","10","10","4","1") = "9"
    & skf18("1","8","9","10","10","5","1") = "9"
    & skf18("1","8","9","10","10","6","1") = "9"
    & skf18("1","8","9","10","10","7","1") = "9"
    & skf18("1","8","9","10","10","8","1") = "9"
    & skf18("1","8","9","10","10","9","1") = "9"
    & skf18("1","8","9","10","10","10","1") = "9"
    & skf18("1","8","10","1","1","1","1") = "9"
    & skf18("1","8","10","1","1","2","1") = "9"
    & skf18("1","8","10","1","1","3","1") = "9"
    & skf18("1","8","10","1","1","4","1") = "9"
    & skf18("1","8","10","1","1","5","1") = "9"
    & skf18("1","8","10","1","1","6","1") = "9"
    & skf18("1","8","10","1","1","7","1") = "9"
    & skf18("1","8","10","1","1","8","1") = "9"
    & skf18("1","8","10","1","1","9","1") = "9"
    & skf18("1","8","10","1","1","10","1") = "9"
    & skf18("1","8","10","1","2","1","1") = "9"
    & skf18("1","8","10","1","2","2","1") = "9"
    & skf18("1","8","10","1","2","3","1") = "9"
    & skf18("1","8","10","1","2","4","1") = "9"
    & skf18("1","8","10","1","2","5","1") = "9"
    & skf18("1","8","10","1","2","6","1") = "9"
    & skf18("1","8","10","1","2","7","1") = "9"
    & skf18("1","8","10","1","2","8","1") = "9"
    & skf18("1","8","10","1","2","9","1") = "9"
    & skf18("1","8","10","1","2","10","1") = "9"
    & skf18("1","8","10","1","3","1","1") = "9"
    & skf18("1","8","10","1","3","2","1") = "9"
    & skf18("1","8","10","1","3","3","1") = "9"
    & skf18("1","8","10","1","3","4","1") = "9"
    & skf18("1","8","10","1","3","5","1") = "9"
    & skf18("1","8","10","1","3","6","1") = "9"
    & skf18("1","8","10","1","3","7","1") = "9"
    & skf18("1","8","10","1","3","8","1") = "9"
    & skf18("1","8","10","1","3","9","1") = "9"
    & skf18("1","8","10","1","3","10","1") = "9"
    & skf18("1","8","10","1","4","1","1") = "9"
    & skf18("1","8","10","1","4","2","1") = "9"
    & skf18("1","8","10","1","4","3","1") = "9"
    & skf18("1","8","10","1","4","4","1") = "9"
    & skf18("1","8","10","1","4","5","1") = "9"
    & skf18("1","8","10","1","4","6","1") = "9"
    & skf18("1","8","10","1","4","7","1") = "9"
    & skf18("1","8","10","1","4","8","1") = "9"
    & skf18("1","8","10","1","4","9","1") = "9"
    & skf18("1","8","10","1","4","10","1") = "9"
    & skf18("1","8","10","1","5","1","1") = "9"
    & skf18("1","8","10","1","5","2","1") = "9"
    & skf18("1","8","10","1","5","3","1") = "9"
    & skf18("1","8","10","1","5","4","1") = "9"
    & skf18("1","8","10","1","5","5","1") = "9"
    & skf18("1","8","10","1","5","6","1") = "9"
    & skf18("1","8","10","1","5","7","1") = "9"
    & skf18("1","8","10","1","5","8","1") = "9"
    & skf18("1","8","10","1","5","9","1") = "9"
    & skf18("1","8","10","1","5","10","1") = "9"
    & skf18("1","8","10","1","6","1","1") = "9"
    & skf18("1","8","10","1","6","2","1") = "9"
    & skf18("1","8","10","1","6","3","1") = "9"
    & skf18("1","8","10","1","6","4","1") = "9"
    & skf18("1","8","10","1","6","5","1") = "9"
    & skf18("1","8","10","1","6","6","1") = "9"
    & skf18("1","8","10","1","6","7","1") = "9"
    & skf18("1","8","10","1","6","8","1") = "9"
    & skf18("1","8","10","1","6","9","1") = "9"
    & skf18("1","8","10","1","6","10","1") = "9"
    & skf18("1","8","10","1","7","1","1") = "9"
    & skf18("1","8","10","1","7","2","1") = "9"
    & skf18("1","8","10","1","7","3","1") = "9"
    & skf18("1","8","10","1","7","4","1") = "9"
    & skf18("1","8","10","1","7","5","1") = "9"
    & skf18("1","8","10","1","7","6","1") = "9"
    & skf18("1","8","10","1","7","7","1") = "9"
    & skf18("1","8","10","1","7","8","1") = "9"
    & skf18("1","8","10","1","7","9","1") = "9"
    & skf18("1","8","10","1","7","10","1") = "9"
    & skf18("1","8","10","1","8","1","1") = "9"
    & skf18("1","8","10","1","8","2","1") = "9"
    & skf18("1","8","10","1","8","3","1") = "9"
    & skf18("1","8","10","1","8","4","1") = "9"
    & skf18("1","8","10","1","8","5","1") = "9"
    & skf18("1","8","10","1","8","6","1") = "9"
    & skf18("1","8","10","1","8","7","1") = "9"
    & skf18("1","8","10","1","8","8","1") = "9"
    & skf18("1","8","10","1","8","9","1") = "9"
    & skf18("1","8","10","1","8","10","1") = "9"
    & skf18("1","8","10","1","9","1","1") = "9"
    & skf18("1","8","10","1","9","2","1") = "9"
    & skf18("1","8","10","1","9","3","1") = "9"
    & skf18("1","8","10","1","9","4","1") = "9"
    & skf18("1","8","10","1","9","5","1") = "9"
    & skf18("1","8","10","1","9","6","1") = "9"
    & skf18("1","8","10","1","9","7","1") = "9"
    & skf18("1","8","10","1","9","8","1") = "9"
    & skf18("1","8","10","1","9","9","1") = "9"
    & skf18("1","8","10","1","9","10","1") = "9"
    & skf18("1","8","10","1","10","1","1") = "9"
    & skf18("1","8","10","1","10","2","1") = "9"
    & skf18("1","8","10","1","10","3","1") = "9"
    & skf18("1","8","10","1","10","4","1") = "9"
    & skf18("1","8","10","1","10","5","1") = "9"
    & skf18("1","8","10","1","10","6","1") = "9"
    & skf18("1","8","10","1","10","7","1") = "9"
    & skf18("1","8","10","1","10","8","1") = "9"
    & skf18("1","8","10","1","10","9","1") = "9"
    & skf18("1","8","10","1","10","10","1") = "9"
    & skf18("1","8","10","2","1","1","1") = "9"
    & skf18("1","8","10","2","1","2","1") = "9"
    & skf18("1","8","10","2","1","3","1") = "9"
    & skf18("1","8","10","2","1","4","1") = "9"
    & skf18("1","8","10","2","1","5","1") = "9"
    & skf18("1","8","10","2","1","6","1") = "9"
    & skf18("1","8","10","2","1","7","1") = "9"
    & skf18("1","8","10","2","1","8","1") = "9"
    & skf18("1","8","10","2","1","9","1") = "9"
    & skf18("1","8","10","2","1","10","1") = "9"
    & skf18("1","8","10","2","2","1","1") = "9"
    & skf18("1","8","10","2","2","2","1") = "9"
    & skf18("1","8","10","2","2","3","1") = "9"
    & skf18("1","8","10","2","2","4","1") = "9"
    & skf18("1","8","10","2","2","5","1") = "9"
    & skf18("1","8","10","2","2","6","1") = "9"
    & skf18("1","8","10","2","2","7","1") = "9"
    & skf18("1","8","10","2","2","8","1") = "9"
    & skf18("1","8","10","2","2","9","1") = "9"
    & skf18("1","8","10","2","2","10","1") = "9"
    & skf18("1","8","10","2","3","1","1") = "9"
    & skf18("1","8","10","2","3","2","1") = "9"
    & skf18("1","8","10","2","3","3","1") = "9"
    & skf18("1","8","10","2","3","4","1") = "9"
    & skf18("1","8","10","2","3","5","1") = "9"
    & skf18("1","8","10","2","3","6","1") = "9"
    & skf18("1","8","10","2","3","7","1") = "9"
    & skf18("1","8","10","2","3","8","1") = "9"
    & skf18("1","8","10","2","3","9","1") = "9"
    & skf18("1","8","10","2","3","10","1") = "9"
    & skf18("1","8","10","2","4","1","1") = "9"
    & skf18("1","8","10","2","4","2","1") = "9"
    & skf18("1","8","10","2","4","3","1") = "9"
    & skf18("1","8","10","2","4","4","1") = "9"
    & skf18("1","8","10","2","4","5","1") = "9"
    & skf18("1","8","10","2","4","6","1") = "9"
    & skf18("1","8","10","2","4","7","1") = "9"
    & skf18("1","8","10","2","4","8","1") = "9"
    & skf18("1","8","10","2","4","9","1") = "9"
    & skf18("1","8","10","2","4","10","1") = "9"
    & skf18("1","8","10","2","5","1","1") = "9"
    & skf18("1","8","10","2","5","2","1") = "9"
    & skf18("1","8","10","2","5","3","1") = "9"
    & skf18("1","8","10","2","5","4","1") = "9"
    & skf18("1","8","10","2","5","5","1") = "9"
    & skf18("1","8","10","2","5","6","1") = "9"
    & skf18("1","8","10","2","5","7","1") = "9"
    & skf18("1","8","10","2","5","8","1") = "9"
    & skf18("1","8","10","2","5","9","1") = "9"
    & skf18("1","8","10","2","5","10","1") = "9"
    & skf18("1","8","10","2","6","1","1") = "9"
    & skf18("1","8","10","2","6","2","1") = "9"
    & skf18("1","8","10","2","6","3","1") = "9"
    & skf18("1","8","10","2","6","4","1") = "9"
    & skf18("1","8","10","2","6","5","1") = "9"
    & skf18("1","8","10","2","6","6","1") = "9"
    & skf18("1","8","10","2","6","7","1") = "9"
    & skf18("1","8","10","2","6","8","1") = "9"
    & skf18("1","8","10","2","6","9","1") = "9"
    & skf18("1","8","10","2","6","10","1") = "9"
    & skf18("1","8","10","2","7","1","1") = "9"
    & skf18("1","8","10","2","7","2","1") = "9"
    & skf18("1","8","10","2","7","3","1") = "9"
    & skf18("1","8","10","2","7","4","1") = "9"
    & skf18("1","8","10","2","7","5","1") = "9"
    & skf18("1","8","10","2","7","6","1") = "9"
    & skf18("1","8","10","2","7","7","1") = "9"
    & skf18("1","8","10","2","7","8","1") = "9"
    & skf18("1","8","10","2","7","9","1") = "9"
    & skf18("1","8","10","2","7","10","1") = "9"
    & skf18("1","8","10","2","8","1","1") = "9"
    & skf18("1","8","10","2","8","2","1") = "9"
    & skf18("1","8","10","2","8","3","1") = "9"
    & skf18("1","8","10","2","8","4","1") = "9"
    & skf18("1","8","10","2","8","5","1") = "9"
    & skf18("1","8","10","2","8","6","1") = "9"
    & skf18("1","8","10","2","8","7","1") = "9"
    & skf18("1","8","10","2","8","8","1") = "9"
    & skf18("1","8","10","2","8","9","1") = "9"
    & skf18("1","8","10","2","8","10","1") = "9"
    & skf18("1","8","10","2","9","1","1") = "9"
    & skf18("1","8","10","2","9","2","1") = "9"
    & skf18("1","8","10","2","9","3","1") = "9"
    & skf18("1","8","10","2","9","4","1") = "9"
    & skf18("1","8","10","2","9","5","1") = "9"
    & skf18("1","8","10","2","9","6","1") = "9"
    & skf18("1","8","10","2","9","7","1") = "9"
    & skf18("1","8","10","2","9","8","1") = "9"
    & skf18("1","8","10","2","9","9","1") = "9"
    & skf18("1","8","10","2","9","10","1") = "9"
    & skf18("1","8","10","2","10","1","1") = "9"
    & skf18("1","8","10","2","10","2","1") = "9"
    & skf18("1","8","10","2","10","3","1") = "9"
    & skf18("1","8","10","2","10","4","1") = "9"
    & skf18("1","8","10","2","10","5","1") = "9"
    & skf18("1","8","10","2","10","6","1") = "9"
    & skf18("1","8","10","2","10","7","1") = "9"
    & skf18("1","8","10","2","10","8","1") = "9"
    & skf18("1","8","10","2","10","9","1") = "9"
    & skf18("1","8","10","2","10","10","1") = "9"
    & skf18("1","8","10","3","1","1","1") = "9"
    & skf18("1","8","10","3","1","2","1") = "9"
    & skf18("1","8","10","3","1","3","1") = "9"
    & skf18("1","8","10","3","1","4","1") = "9"
    & skf18("1","8","10","3","1","5","1") = "9"
    & skf18("1","8","10","3","1","6","1") = "9"
    & skf18("1","8","10","3","1","7","1") = "9"
    & skf18("1","8","10","3","1","8","1") = "9"
    & skf18("1","8","10","3","1","9","1") = "9"
    & skf18("1","8","10","3","1","10","1") = "9"
    & skf18("1","8","10","3","2","1","1") = "9"
    & skf18("1","8","10","3","2","2","1") = "9"
    & skf18("1","8","10","3","2","3","1") = "9"
    & skf18("1","8","10","3","2","4","1") = "9"
    & skf18("1","8","10","3","2","5","1") = "9"
    & skf18("1","8","10","3","2","6","1") = "9"
    & skf18("1","8","10","3","2","7","1") = "9"
    & skf18("1","8","10","3","2","8","1") = "9"
    & skf18("1","8","10","3","2","9","1") = "9"
    & skf18("1","8","10","3","2","10","1") = "9"
    & skf18("1","8","10","3","3","1","1") = "9"
    & skf18("1","8","10","3","3","2","1") = "9"
    & skf18("1","8","10","3","3","3","1") = "9"
    & skf18("1","8","10","3","3","4","1") = "9"
    & skf18("1","8","10","3","3","5","1") = "9"
    & skf18("1","8","10","3","3","6","1") = "9"
    & skf18("1","8","10","3","3","7","1") = "9"
    & skf18("1","8","10","3","3","8","1") = "9"
    & skf18("1","8","10","3","3","9","1") = "9"
    & skf18("1","8","10","3","3","10","1") = "9"
    & skf18("1","8","10","3","4","1","1") = "9"
    & skf18("1","8","10","3","4","2","1") = "9"
    & skf18("1","8","10","3","4","3","1") = "9"
    & skf18("1","8","10","3","4","4","1") = "9"
    & skf18("1","8","10","3","4","5","1") = "9"
    & skf18("1","8","10","3","4","6","1") = "9"
    & skf18("1","8","10","3","4","7","1") = "9"
    & skf18("1","8","10","3","4","8","1") = "9"
    & skf18("1","8","10","3","4","9","1") = "9"
    & skf18("1","8","10","3","4","10","1") = "9"
    & skf18("1","8","10","3","5","1","1") = "9"
    & skf18("1","8","10","3","5","2","1") = "9"
    & skf18("1","8","10","3","5","3","1") = "9"
    & skf18("1","8","10","3","5","4","1") = "9"
    & skf18("1","8","10","3","5","5","1") = "9"
    & skf18("1","8","10","3","5","6","1") = "9"
    & skf18("1","8","10","3","5","7","1") = "9"
    & skf18("1","8","10","3","5","8","1") = "9"
    & skf18("1","8","10","3","5","9","1") = "9"
    & skf18("1","8","10","3","5","10","1") = "9"
    & skf18("1","8","10","3","6","1","1") = "9"
    & skf18("1","8","10","3","6","2","1") = "9"
    & skf18("1","8","10","3","6","3","1") = "9"
    & skf18("1","8","10","3","6","4","1") = "9"
    & skf18("1","8","10","3","6","5","1") = "9"
    & skf18("1","8","10","3","6","6","1") = "9"
    & skf18("1","8","10","3","6","7","1") = "9"
    & skf18("1","8","10","3","6","8","1") = "9"
    & skf18("1","8","10","3","6","9","1") = "9"
    & skf18("1","8","10","3","6","10","1") = "9"
    & skf18("1","8","10","3","7","1","1") = "9"
    & skf18("1","8","10","3","7","2","1") = "9"
    & skf18("1","8","10","3","7","3","1") = "9"
    & skf18("1","8","10","3","7","4","1") = "9"
    & skf18("1","8","10","3","7","5","1") = "9"
    & skf18("1","8","10","3","7","6","1") = "9"
    & skf18("1","8","10","3","7","7","1") = "9"
    & skf18("1","8","10","3","7","8","1") = "9"
    & skf18("1","8","10","3","7","9","1") = "9"
    & skf18("1","8","10","3","7","10","1") = "9"
    & skf18("1","8","10","3","8","1","1") = "9"
    & skf18("1","8","10","3","8","2","1") = "9"
    & skf18("1","8","10","3","8","3","1") = "9"
    & skf18("1","8","10","3","8","4","1") = "9"
    & skf18("1","8","10","3","8","5","1") = "9"
    & skf18("1","8","10","3","8","6","1") = "9"
    & skf18("1","8","10","3","8","7","1") = "9"
    & skf18("1","8","10","3","8","8","1") = "9"
    & skf18("1","8","10","3","8","9","1") = "9"
    & skf18("1","8","10","3","8","10","1") = "9"
    & skf18("1","8","10","3","9","1","1") = "9"
    & skf18("1","8","10","3","9","2","1") = "9"
    & skf18("1","8","10","3","9","3","1") = "9"
    & skf18("1","8","10","3","9","4","1") = "9"
    & skf18("1","8","10","3","9","5","1") = "9"
    & skf18("1","8","10","3","9","6","1") = "9"
    & skf18("1","8","10","3","9","7","1") = "9"
    & skf18("1","8","10","3","9","8","1") = "9"
    & skf18("1","8","10","3","9","9","1") = "9"
    & skf18("1","8","10","3","9","10","1") = "9"
    & skf18("1","8","10","3","10","1","1") = "9"
    & skf18("1","8","10","3","10","2","1") = "9"
    & skf18("1","8","10","3","10","3","1") = "9"
    & skf18("1","8","10","3","10","4","1") = "9"
    & skf18("1","8","10","3","10","5","1") = "9"
    & skf18("1","8","10","3","10","6","1") = "9"
    & skf18("1","8","10","3","10","7","1") = "9"
    & skf18("1","8","10","3","10","8","1") = "9"
    & skf18("1","8","10","3","10","9","1") = "9"
    & skf18("1","8","10","3","10","10","1") = "9"
    & skf18("1","8","10","4","1","1","1") = "9"
    & skf18("1","8","10","4","1","2","1") = "9"
    & skf18("1","8","10","4","1","3","1") = "9"
    & skf18("1","8","10","4","1","4","1") = "9"
    & skf18("1","8","10","4","1","5","1") = "9"
    & skf18("1","8","10","4","1","6","1") = "9"
    & skf18("1","8","10","4","1","7","1") = "9"
    & skf18("1","8","10","4","1","8","1") = "9"
    & skf18("1","8","10","4","1","9","1") = "9"
    & skf18("1","8","10","4","1","10","1") = "9"
    & skf18("1","8","10","4","2","1","1") = "9"
    & skf18("1","8","10","4","2","2","1") = "9"
    & skf18("1","8","10","4","2","3","1") = "9"
    & skf18("1","8","10","4","2","4","1") = "9"
    & skf18("1","8","10","4","2","5","1") = "9"
    & skf18("1","8","10","4","2","6","1") = "9"
    & skf18("1","8","10","4","2","7","1") = "9"
    & skf18("1","8","10","4","2","8","1") = "9"
    & skf18("1","8","10","4","2","9","1") = "9"
    & skf18("1","8","10","4","2","10","1") = "9"
    & skf18("1","8","10","4","3","1","1") = "9"
    & skf18("1","8","10","4","3","2","1") = "9"
    & skf18("1","8","10","4","3","3","1") = "9"
    & skf18("1","8","10","4","3","4","1") = "9"
    & skf18("1","8","10","4","3","5","1") = "9"
    & skf18("1","8","10","4","3","6","1") = "9"
    & skf18("1","8","10","4","3","7","1") = "9"
    & skf18("1","8","10","4","3","8","1") = "9"
    & skf18("1","8","10","4","3","9","1") = "9"
    & skf18("1","8","10","4","3","10","1") = "9"
    & skf18("1","8","10","4","4","1","1") = "9"
    & skf18("1","8","10","4","4","2","1") = "9"
    & skf18("1","8","10","4","4","3","1") = "9"
    & skf18("1","8","10","4","4","4","1") = "9"
    & skf18("1","8","10","4","4","5","1") = "9"
    & skf18("1","8","10","4","4","6","1") = "9"
    & skf18("1","8","10","4","4","7","1") = "9"
    & skf18("1","8","10","4","4","8","1") = "9"
    & skf18("1","8","10","4","4","9","1") = "9"
    & skf18("1","8","10","4","4","10","1") = "9"
    & skf18("1","8","10","4","5","1","1") = "9"
    & skf18("1","8","10","4","5","2","1") = "9"
    & skf18("1","8","10","4","5","3","1") = "9"
    & skf18("1","8","10","4","5","4","1") = "9"
    & skf18("1","8","10","4","5","5","1") = "9"
    & skf18("1","8","10","4","5","6","1") = "9"
    & skf18("1","8","10","4","5","7","1") = "9"
    & skf18("1","8","10","4","5","8","1") = "9"
    & skf18("1","8","10","4","5","9","1") = "9"
    & skf18("1","8","10","4","5","10","1") = "9"
    & skf18("1","8","10","4","6","1","1") = "9"
    & skf18("1","8","10","4","6","2","1") = "9"
    & skf18("1","8","10","4","6","3","1") = "9"
    & skf18("1","8","10","4","6","4","1") = "9"
    & skf18("1","8","10","4","6","5","1") = "9"
    & skf18("1","8","10","4","6","6","1") = "9"
    & skf18("1","8","10","4","6","7","1") = "9"
    & skf18("1","8","10","4","6","8","1") = "9"
    & skf18("1","8","10","4","6","9","1") = "9"
    & skf18("1","8","10","4","6","10","1") = "9"
    & skf18("1","8","10","4","7","1","1") = "9"
    & skf18("1","8","10","4","7","2","1") = "9"
    & skf18("1","8","10","4","7","3","1") = "9"
    & skf18("1","8","10","4","7","4","1") = "9"
    & skf18("1","8","10","4","7","5","1") = "9"
    & skf18("1","8","10","4","7","6","1") = "9"
    & skf18("1","8","10","4","7","7","1") = "9"
    & skf18("1","8","10","4","7","8","1") = "9"
    & skf18("1","8","10","4","7","9","1") = "9"
    & skf18("1","8","10","4","7","10","1") = "9"
    & skf18("1","8","10","4","8","1","1") = "9"
    & skf18("1","8","10","4","8","2","1") = "9"
    & skf18("1","8","10","4","8","3","1") = "9"
    & skf18("1","8","10","4","8","4","1") = "9"
    & skf18("1","8","10","4","8","5","1") = "9"
    & skf18("1","8","10","4","8","6","1") = "9"
    & skf18("1","8","10","4","8","7","1") = "9"
    & skf18("1","8","10","4","8","8","1") = "9"
    & skf18("1","8","10","4","8","9","1") = "9"
    & skf18("1","8","10","4","8","10","1") = "9"
    & skf18("1","8","10","4","9","1","1") = "9"
    & skf18("1","8","10","4","9","2","1") = "9"
    & skf18("1","8","10","4","9","3","1") = "9"
    & skf18("1","8","10","4","9","4","1") = "9"
    & skf18("1","8","10","4","9","5","1") = "9"
    & skf18("1","8","10","4","9","6","1") = "9"
    & skf18("1","8","10","4","9","7","1") = "9"
    & skf18("1","8","10","4","9","8","1") = "9"
    & skf18("1","8","10","4","9","9","1") = "9"
    & skf18("1","8","10","4","9","10","1") = "9"
    & skf18("1","8","10","4","10","1","1") = "9"
    & skf18("1","8","10","4","10","2","1") = "9"
    & skf18("1","8","10","4","10","3","1") = "9"
    & skf18("1","8","10","4","10","4","1") = "9"
    & skf18("1","8","10","4","10","5","1") = "9"
    & skf18("1","8","10","4","10","6","1") = "9"
    & skf18("1","8","10","4","10","7","1") = "9"
    & skf18("1","8","10","4","10","8","1") = "9"
    & skf18("1","8","10","4","10","9","1") = "9"
    & skf18("1","8","10","4","10","10","1") = "9"
    & skf18("1","8","10","5","1","1","1") = "9"
    & skf18("1","8","10","5","1","2","1") = "9"
    & skf18("1","8","10","5","1","3","1") = "9"
    & skf18("1","8","10","5","1","4","1") = "9"
    & skf18("1","8","10","5","1","5","1") = "9"
    & skf18("1","8","10","5","1","6","1") = "9"
    & skf18("1","8","10","5","1","7","1") = "9"
    & skf18("1","8","10","5","1","8","1") = "9"
    & skf18("1","8","10","5","1","9","1") = "9"
    & skf18("1","8","10","5","1","10","1") = "9"
    & skf18("1","8","10","5","2","1","1") = "9"
    & skf18("1","8","10","5","2","2","1") = "9"
    & skf18("1","8","10","5","2","3","1") = "9"
    & skf18("1","8","10","5","2","4","1") = "9"
    & skf18("1","8","10","5","2","5","1") = "9"
    & skf18("1","8","10","5","2","6","1") = "9"
    & skf18("1","8","10","5","2","7","1") = "9"
    & skf18("1","8","10","5","2","8","1") = "9"
    & skf18("1","8","10","5","2","9","1") = "9"
    & skf18("1","8","10","5","2","10","1") = "9"
    & skf18("1","8","10","5","3","1","1") = "9"
    & skf18("1","8","10","5","3","2","1") = "9"
    & skf18("1","8","10","5","3","3","1") = "9"
    & skf18("1","8","10","5","3","4","1") = "9"
    & skf18("1","8","10","5","3","5","1") = "9"
    & skf18("1","8","10","5","3","6","1") = "9"
    & skf18("1","8","10","5","3","7","1") = "9"
    & skf18("1","8","10","5","3","8","1") = "9"
    & skf18("1","8","10","5","3","9","1") = "9"
    & skf18("1","8","10","5","3","10","1") = "9"
    & skf18("1","8","10","5","4","1","1") = "9"
    & skf18("1","8","10","5","4","2","1") = "9"
    & skf18("1","8","10","5","4","3","1") = "9"
    & skf18("1","8","10","5","4","4","1") = "9"
    & skf18("1","8","10","5","4","5","1") = "9"
    & skf18("1","8","10","5","4","6","1") = "9"
    & skf18("1","8","10","5","4","7","1") = "9"
    & skf18("1","8","10","5","4","8","1") = "9"
    & skf18("1","8","10","5","4","9","1") = "9"
    & skf18("1","8","10","5","4","10","1") = "9"
    & skf18("1","8","10","5","5","1","1") = "9"
    & skf18("1","8","10","5","5","2","1") = "9"
    & skf18("1","8","10","5","5","3","1") = "9"
    & skf18("1","8","10","5","5","4","1") = "9"
    & skf18("1","8","10","5","5","5","1") = "9"
    & skf18("1","8","10","5","5","6","1") = "9"
    & skf18("1","8","10","5","5","7","1") = "9"
    & skf18("1","8","10","5","5","8","1") = "9"
    & skf18("1","8","10","5","5","9","1") = "9"
    & skf18("1","8","10","5","5","10","1") = "9"
    & skf18("1","8","10","5","6","1","1") = "9"
    & skf18("1","8","10","5","6","2","1") = "9"
    & skf18("1","8","10","5","6","3","1") = "9"
    & skf18("1","8","10","5","6","4","1") = "9"
    & skf18("1","8","10","5","6","5","1") = "9"
    & skf18("1","8","10","5","6","6","1") = "9"
    & skf18("1","8","10","5","6","7","1") = "9"
    & skf18("1","8","10","5","6","8","1") = "9"
    & skf18("1","8","10","5","6","9","1") = "9"
    & skf18("1","8","10","5","6","10","1") = "9"
    & skf18("1","8","10","5","7","1","1") = "9"
    & skf18("1","8","10","5","7","2","1") = "9"
    & skf18("1","8","10","5","7","3","1") = "9"
    & skf18("1","8","10","5","7","4","1") = "9"
    & skf18("1","8","10","5","7","5","1") = "9"
    & skf18("1","8","10","5","7","6","1") = "9"
    & skf18("1","8","10","5","7","7","1") = "9"
    & skf18("1","8","10","5","7","8","1") = "9"
    & skf18("1","8","10","5","7","9","1") = "9"
    & skf18("1","8","10","5","7","10","1") = "9"
    & skf18("1","8","10","5","8","1","1") = "9"
    & skf18("1","8","10","5","8","2","1") = "9"
    & skf18("1","8","10","5","8","3","1") = "9"
    & skf18("1","8","10","5","8","4","1") = "9"
    & skf18("1","8","10","5","8","5","1") = "9"
    & skf18("1","8","10","5","8","6","1") = "9"
    & skf18("1","8","10","5","8","7","1") = "9"
    & skf18("1","8","10","5","8","8","1") = "9"
    & skf18("1","8","10","5","8","9","1") = "9"
    & skf18("1","8","10","5","8","10","1") = "9"
    & skf18("1","8","10","5","9","1","1") = "9"
    & skf18("1","8","10","5","9","2","1") = "9"
    & skf18("1","8","10","5","9","3","1") = "9"
    & skf18("1","8","10","5","9","4","1") = "9"
    & skf18("1","8","10","5","9","5","1") = "9"
    & skf18("1","8","10","5","9","6","1") = "9"
    & skf18("1","8","10","5","9","7","1") = "9"
    & skf18("1","8","10","5","9","8","1") = "9"
    & skf18("1","8","10","5","9","9","1") = "9"
    & skf18("1","8","10","5","9","10","1") = "9"
    & skf18("1","8","10","5","10","1","1") = "9"
    & skf18("1","8","10","5","10","2","1") = "9"
    & skf18("1","8","10","5","10","3","1") = "9"
    & skf18("1","8","10","5","10","4","1") = "9"
    & skf18("1","8","10","5","10","5","1") = "9"
    & skf18("1","8","10","5","10","6","1") = "9"
    & skf18("1","8","10","5","10","7","1") = "9"
    & skf18("1","8","10","5","10","8","1") = "9"
    & skf18("1","8","10","5","10","9","1") = "9"
    & skf18("1","8","10","5","10","10","1") = "9"
    & skf18("1","8","10","6","1","1","1") = "9"
    & skf18("1","8","10","6","1","2","1") = "9"
    & skf18("1","8","10","6","1","3","1") = "9"
    & skf18("1","8","10","6","1","4","1") = "9"
    & skf18("1","8","10","6","1","5","1") = "9"
    & skf18("1","8","10","6","1","6","1") = "9"
    & skf18("1","8","10","6","1","7","1") = "9"
    & skf18("1","8","10","6","1","8","1") = "9"
    & skf18("1","8","10","6","1","9","1") = "9"
    & skf18("1","8","10","6","1","10","1") = "9"
    & skf18("1","8","10","6","2","1","1") = "9"
    & skf18("1","8","10","6","2","2","1") = "9"
    & skf18("1","8","10","6","2","3","1") = "9"
    & skf18("1","8","10","6","2","4","1") = "9"
    & skf18("1","8","10","6","2","5","1") = "9"
    & skf18("1","8","10","6","2","6","1") = "9"
    & skf18("1","8","10","6","2","7","1") = "9"
    & skf18("1","8","10","6","2","8","1") = "9"
    & skf18("1","8","10","6","2","9","1") = "9"
    & skf18("1","8","10","6","2","10","1") = "9"
    & skf18("1","8","10","6","3","1","1") = "9"
    & skf18("1","8","10","6","3","2","1") = "9"
    & skf18("1","8","10","6","3","3","1") = "9"
    & skf18("1","8","10","6","3","4","1") = "9"
    & skf18("1","8","10","6","3","5","1") = "9"
    & skf18("1","8","10","6","3","6","1") = "9"
    & skf18("1","8","10","6","3","7","1") = "9"
    & skf18("1","8","10","6","3","8","1") = "9"
    & skf18("1","8","10","6","3","9","1") = "9"
    & skf18("1","8","10","6","3","10","1") = "9"
    & skf18("1","8","10","6","4","1","1") = "9"
    & skf18("1","8","10","6","4","2","1") = "9"
    & skf18("1","8","10","6","4","3","1") = "9"
    & skf18("1","8","10","6","4","4","1") = "9"
    & skf18("1","8","10","6","4","5","1") = "9"
    & skf18("1","8","10","6","4","6","1") = "9"
    & skf18("1","8","10","6","4","7","1") = "9"
    & skf18("1","8","10","6","4","8","1") = "9"
    & skf18("1","8","10","6","4","9","1") = "9"
    & skf18("1","8","10","6","4","10","1") = "9"
    & skf18("1","8","10","6","5","1","1") = "9"
    & skf18("1","8","10","6","5","2","1") = "9"
    & skf18("1","8","10","6","5","3","1") = "9"
    & skf18("1","8","10","6","5","4","1") = "9"
    & skf18("1","8","10","6","5","5","1") = "9"
    & skf18("1","8","10","6","5","6","1") = "9"
    & skf18("1","8","10","6","5","7","1") = "9"
    & skf18("1","8","10","6","5","8","1") = "9"
    & skf18("1","8","10","6","5","9","1") = "9"
    & skf18("1","8","10","6","5","10","1") = "9"
    & skf18("1","8","10","6","6","1","1") = "9"
    & skf18("1","8","10","6","6","2","1") = "9"
    & skf18("1","8","10","6","6","3","1") = "9"
    & skf18("1","8","10","6","6","4","1") = "9"
    & skf18("1","8","10","6","6","5","1") = "9"
    & skf18("1","8","10","6","6","6","1") = "9"
    & skf18("1","8","10","6","6","7","1") = "9"
    & skf18("1","8","10","6","6","8","1") = "9"
    & skf18("1","8","10","6","6","9","1") = "9"
    & skf18("1","8","10","6","6","10","1") = "9"
    & skf18("1","8","10","6","7","1","1") = "9"
    & skf18("1","8","10","6","7","2","1") = "9"
    & skf18("1","8","10","6","7","3","1") = "9"
    & skf18("1","8","10","6","7","4","1") = "9"
    & skf18("1","8","10","6","7","5","1") = "9"
    & skf18("1","8","10","6","7","6","1") = "9"
    & skf18("1","8","10","6","7","7","1") = "9"
    & skf18("1","8","10","6","7","8","1") = "9"
    & skf18("1","8","10","6","7","9","1") = "9"
    & skf18("1","8","10","6","7","10","1") = "9"
    & skf18("1","8","10","6","8","1","1") = "9"
    & skf18("1","8","10","6","8","2","1") = "9"
    & skf18("1","8","10","6","8","3","1") = "9"
    & skf18("1","8","10","6","8","4","1") = "9"
    & skf18("1","8","10","6","8","5","1") = "9"
    & skf18("1","8","10","6","8","6","1") = "9"
    & skf18("1","8","10","6","8","7","1") = "9"
    & skf18("1","8","10","6","8","8","1") = "9"
    & skf18("1","8","10","6","8","9","1") = "9"
    & skf18("1","8","10","6","8","10","1") = "9"
    & skf18("1","8","10","6","9","1","1") = "9"
    & skf18("1","8","10","6","9","2","1") = "9"
    & skf18("1","8","10","6","9","3","1") = "9"
    & skf18("1","8","10","6","9","4","1") = "9"
    & skf18("1","8","10","6","9","5","1") = "9"
    & skf18("1","8","10","6","9","6","1") = "9"
    & skf18("1","8","10","6","9","7","1") = "9"
    & skf18("1","8","10","6","9","8","1") = "9"
    & skf18("1","8","10","6","9","9","1") = "9"
    & skf18("1","8","10","6","9","10","1") = "9"
    & skf18("1","8","10","6","10","1","1") = "9"
    & skf18("1","8","10","6","10","2","1") = "9"
    & skf18("1","8","10","6","10","3","1") = "9"
    & skf18("1","8","10","6","10","4","1") = "9"
    & skf18("1","8","10","6","10","5","1") = "9"
    & skf18("1","8","10","6","10","6","1") = "9"
    & skf18("1","8","10","6","10","7","1") = "9"
    & skf18("1","8","10","6","10","8","1") = "9"
    & skf18("1","8","10","6","10","9","1") = "9"
    & skf18("1","8","10","6","10","10","1") = "9"
    & skf18("1","8","10","7","1","1","1") = "9"
    & skf18("1","8","10","7","1","2","1") = "9"
    & skf18("1","8","10","7","1","3","1") = "9"
    & skf18("1","8","10","7","1","4","1") = "9"
    & skf18("1","8","10","7","1","5","1") = "9"
    & skf18("1","8","10","7","1","6","1") = "9"
    & skf18("1","8","10","7","1","7","1") = "9"
    & skf18("1","8","10","7","1","8","1") = "9"
    & skf18("1","8","10","7","1","9","1") = "9"
    & skf18("1","8","10","7","1","10","1") = "9"
    & skf18("1","8","10","7","2","1","1") = "9"
    & skf18("1","8","10","7","2","2","1") = "9"
    & skf18("1","8","10","7","2","3","1") = "9"
    & skf18("1","8","10","7","2","4","1") = "9"
    & skf18("1","8","10","7","2","5","1") = "9"
    & skf18("1","8","10","7","2","6","1") = "9"
    & skf18("1","8","10","7","2","7","1") = "9"
    & skf18("1","8","10","7","2","8","1") = "9"
    & skf18("1","8","10","7","2","9","1") = "9"
    & skf18("1","8","10","7","2","10","1") = "9"
    & skf18("1","8","10","7","3","1","1") = "9"
    & skf18("1","8","10","7","3","2","1") = "9"
    & skf18("1","8","10","7","3","3","1") = "9"
    & skf18("1","8","10","7","3","4","1") = "9"
    & skf18("1","8","10","7","3","5","1") = "9"
    & skf18("1","8","10","7","3","6","1") = "9"
    & skf18("1","8","10","7","3","7","1") = "9"
    & skf18("1","8","10","7","3","8","1") = "9"
    & skf18("1","8","10","7","3","9","1") = "9"
    & skf18("1","8","10","7","3","10","1") = "9"
    & skf18("1","8","10","7","4","1","1") = "9"
    & skf18("1","8","10","7","4","2","1") = "9"
    & skf18("1","8","10","7","4","3","1") = "9"
    & skf18("1","8","10","7","4","4","1") = "9"
    & skf18("1","8","10","7","4","5","1") = "9"
    & skf18("1","8","10","7","4","6","1") = "9"
    & skf18("1","8","10","7","4","7","1") = "9"
    & skf18("1","8","10","7","4","8","1") = "9"
    & skf18("1","8","10","7","4","9","1") = "9"
    & skf18("1","8","10","7","4","10","1") = "9"
    & skf18("1","8","10","7","5","1","1") = "9"
    & skf18("1","8","10","7","5","2","1") = "9"
    & skf18("1","8","10","7","5","3","1") = "9"
    & skf18("1","8","10","7","5","4","1") = "9"
    & skf18("1","8","10","7","5","5","1") = "9"
    & skf18("1","8","10","7","5","6","1") = "9"
    & skf18("1","8","10","7","5","7","1") = "9"
    & skf18("1","8","10","7","5","8","1") = "9"
    & skf18("1","8","10","7","5","9","1") = "9"
    & skf18("1","8","10","7","5","10","1") = "9"
    & skf18("1","8","10","7","6","1","1") = "9"
    & skf18("1","8","10","7","6","2","1") = "9"
    & skf18("1","8","10","7","6","3","1") = "9"
    & skf18("1","8","10","7","6","4","1") = "9"
    & skf18("1","8","10","7","6","5","1") = "9"
    & skf18("1","8","10","7","6","6","1") = "9"
    & skf18("1","8","10","7","6","7","1") = "9"
    & skf18("1","8","10","7","6","8","1") = "9"
    & skf18("1","8","10","7","6","9","1") = "9"
    & skf18("1","8","10","7","6","10","1") = "9"
    & skf18("1","8","10","7","7","1","1") = "9"
    & skf18("1","8","10","7","7","2","1") = "9"
    & skf18("1","8","10","7","7","3","1") = "9"
    & skf18("1","8","10","7","7","4","1") = "9"
    & skf18("1","8","10","7","7","5","1") = "9"
    & skf18("1","8","10","7","7","6","1") = "9"
    & skf18("1","8","10","7","7","7","1") = "9"
    & skf18("1","8","10","7","7","8","1") = "9"
    & skf18("1","8","10","7","7","9","1") = "9"
    & skf18("1","8","10","7","7","10","1") = "9"
    & skf18("1","8","10","7","8","1","1") = "9"
    & skf18("1","8","10","7","8","2","1") = "9"
    & skf18("1","8","10","7","8","3","1") = "9"
    & skf18("1","8","10","7","8","4","1") = "9"
    & skf18("1","8","10","7","8","5","1") = "9"
    & skf18("1","8","10","7","8","6","1") = "9"
    & skf18("1","8","10","7","8","7","1") = "9"
    & skf18("1","8","10","7","8","8","1") = "9"
    & skf18("1","8","10","7","8","9","1") = "9"
    & skf18("1","8","10","7","8","10","1") = "9"
    & skf18("1","8","10","7","9","1","1") = "9"
    & skf18("1","8","10","7","9","2","1") = "9"
    & skf18("1","8","10","7","9","3","1") = "9"
    & skf18("1","8","10","7","9","4","1") = "9"
    & skf18("1","8","10","7","9","5","1") = "9"
    & skf18("1","8","10","7","9","6","1") = "9"
    & skf18("1","8","10","7","9","7","1") = "9"
    & skf18("1","8","10","7","9","8","1") = "9"
    & skf18("1","8","10","7","9","9","1") = "9"
    & skf18("1","8","10","7","9","10","1") = "9"
    & skf18("1","8","10","7","10","1","1") = "9"
    & skf18("1","8","10","7","10","2","1") = "9"
    & skf18("1","8","10","7","10","3","1") = "9"
    & skf18("1","8","10","7","10","4","1") = "9"
    & skf18("1","8","10","7","10","5","1") = "9"
    & skf18("1","8","10","7","10","6","1") = "9"
    & skf18("1","8","10","7","10","7","1") = "9"
    & skf18("1","8","10","7","10","8","1") = "9"
    & skf18("1","8","10","7","10","9","1") = "9"
    & skf18("1","8","10","7","10","10","1") = "9"
    & skf18("1","8","10","8","1","1","1") = "9"
    & skf18("1","8","10","8","1","2","1") = "9"
    & skf18("1","8","10","8","1","3","1") = "9"
    & skf18("1","8","10","8","1","4","1") = "9"
    & skf18("1","8","10","8","1","5","1") = "9"
    & skf18("1","8","10","8","1","6","1") = "9"
    & skf18("1","8","10","8","1","7","1") = "9"
    & skf18("1","8","10","8","1","8","1") = "9"
    & skf18("1","8","10","8","1","9","1") = "9"
    & skf18("1","8","10","8","1","10","1") = "9"
    & skf18("1","8","10","8","2","1","1") = "9"
    & skf18("1","8","10","8","2","2","1") = "9"
    & skf18("1","8","10","8","2","3","1") = "9"
    & skf18("1","8","10","8","2","4","1") = "9"
    & skf18("1","8","10","8","2","5","1") = "9"
    & skf18("1","8","10","8","2","6","1") = "9"
    & skf18("1","8","10","8","2","7","1") = "9"
    & skf18("1","8","10","8","2","8","1") = "9"
    & skf18("1","8","10","8","2","9","1") = "9"
    & skf18("1","8","10","8","2","10","1") = "9"
    & skf18("1","8","10","8","3","1","1") = "9"
    & skf18("1","8","10","8","3","2","1") = "9"
    & skf18("1","8","10","8","3","3","1") = "9"
    & skf18("1","8","10","8","3","4","1") = "9"
    & skf18("1","8","10","8","3","5","1") = "9"
    & skf18("1","8","10","8","3","6","1") = "9"
    & skf18("1","8","10","8","3","7","1") = "9"
    & skf18("1","8","10","8","3","8","1") = "9"
    & skf18("1","8","10","8","3","9","1") = "9"
    & skf18("1","8","10","8","3","10","1") = "9"
    & skf18("1","8","10","8","4","1","1") = "9"
    & skf18("1","8","10","8","4","2","1") = "9"
    & skf18("1","8","10","8","4","3","1") = "9"
    & skf18("1","8","10","8","4","4","1") = "9"
    & skf18("1","8","10","8","4","5","1") = "9"
    & skf18("1","8","10","8","4","6","1") = "9"
    & skf18("1","8","10","8","4","7","1") = "9"
    & skf18("1","8","10","8","4","8","1") = "9"
    & skf18("1","8","10","8","4","9","1") = "9"
    & skf18("1","8","10","8","4","10","1") = "9"
    & skf18("1","8","10","8","5","1","1") = "9"
    & skf18("1","8","10","8","5","2","1") = "9"
    & skf18("1","8","10","8","5","3","1") = "9"
    & skf18("1","8","10","8","5","4","1") = "9"
    & skf18("1","8","10","8","5","5","1") = "9"
    & skf18("1","8","10","8","5","6","1") = "9"
    & skf18("1","8","10","8","5","7","1") = "9"
    & skf18("1","8","10","8","5","8","1") = "9"
    & skf18("1","8","10","8","5","9","1") = "9"
    & skf18("1","8","10","8","5","10","1") = "9"
    & skf18("1","8","10","8","6","1","1") = "9"
    & skf18("1","8","10","8","6","2","1") = "9"
    & skf18("1","8","10","8","6","3","1") = "9"
    & skf18("1","8","10","8","6","4","1") = "9"
    & skf18("1","8","10","8","6","5","1") = "9"
    & skf18("1","8","10","8","6","6","1") = "9"
    & skf18("1","8","10","8","6","7","1") = "9"
    & skf18("1","8","10","8","6","8","1") = "9"
    & skf18("1","8","10","8","6","9","1") = "9"
    & skf18("1","8","10","8","6","10","1") = "9"
    & skf18("1","8","10","8","7","1","1") = "9"
    & skf18("1","8","10","8","7","2","1") = "9"
    & skf18("1","8","10","8","7","3","1") = "9"
    & skf18("1","8","10","8","7","4","1") = "9"
    & skf18("1","8","10","8","7","5","1") = "9"
    & skf18("1","8","10","8","7","6","1") = "9"
    & skf18("1","8","10","8","7","7","1") = "9"
    & skf18("1","8","10","8","7","8","1") = "9"
    & skf18("1","8","10","8","7","9","1") = "9"
    & skf18("1","8","10","8","7","10","1") = "9"
    & skf18("1","8","10","8","8","1","1") = "9"
    & skf18("1","8","10","8","8","2","1") = "9"
    & skf18("1","8","10","8","8","3","1") = "9"
    & skf18("1","8","10","8","8","4","1") = "9"
    & skf18("1","8","10","8","8","5","1") = "9"
    & skf18("1","8","10","8","8","6","1") = "9"
    & skf18("1","8","10","8","8","7","1") = "9"
    & skf18("1","8","10","8","8","8","1") = "9"
    & skf18("1","8","10","8","8","9","1") = "9"
    & skf18("1","8","10","8","8","10","1") = "9"
    & skf18("1","8","10","8","9","1","1") = "9"
    & skf18("1","8","10","8","9","2","1") = "9"
    & skf18("1","8","10","8","9","3","1") = "9"
    & skf18("1","8","10","8","9","4","1") = "9"
    & skf18("1","8","10","8","9","5","1") = "9"
    & skf18("1","8","10","8","9","6","1") = "9"
    & skf18("1","8","10","8","9","7","1") = "9"
    & skf18("1","8","10","8","9","8","1") = "9"
    & skf18("1","8","10","8","9","9","1") = "9"
    & skf18("1","8","10","8","9","10","1") = "9"
    & skf18("1","8","10","8","10","1","1") = "9"
    & skf18("1","8","10","8","10","2","1") = "9"
    & skf18("1","8","10","8","10","3","1") = "9"
    & skf18("1","8","10","8","10","4","1") = "9"
    & skf18("1","8","10","8","10","5","1") = "9"
    & skf18("1","8","10","8","10","6","1") = "9"
    & skf18("1","8","10","8","10","7","1") = "9"
    & skf18("1","8","10","8","10","8","1") = "9"
    & skf18("1","8","10","8","10","9","1") = "9"
    & skf18("1","8","10","8","10","10","1") = "9"
    & skf18("1","8","10","9","1","1","1") = "9"
    & skf18("1","8","10","9","1","2","1") = "9"
    & skf18("1","8","10","9","1","3","1") = "9"
    & skf18("1","8","10","9","1","4","1") = "9"
    & skf18("1","8","10","9","1","5","1") = "9"
    & skf18("1","8","10","9","1","6","1") = "9"
    & skf18("1","8","10","9","1","7","1") = "9"
    & skf18("1","8","10","9","1","8","1") = "9"
    & skf18("1","8","10","9","1","9","1") = "9"
    & skf18("1","8","10","9","1","10","1") = "9"
    & skf18("1","8","10","9","2","1","1") = "9"
    & skf18("1","8","10","9","2","2","1") = "9"
    & skf18("1","8","10","9","2","3","1") = "9"
    & skf18("1","8","10","9","2","4","1") = "9"
    & skf18("1","8","10","9","2","5","1") = "9"
    & skf18("1","8","10","9","2","6","1") = "9"
    & skf18("1","8","10","9","2","7","1") = "9"
    & skf18("1","8","10","9","2","8","1") = "9"
    & skf18("1","8","10","9","2","9","1") = "9"
    & skf18("1","8","10","9","2","10","1") = "9"
    & skf18("1","8","10","9","3","1","1") = "9"
    & skf18("1","8","10","9","3","2","1") = "9"
    & skf18("1","8","10","9","3","3","1") = "9"
    & skf18("1","8","10","9","3","4","1") = "9"
    & skf18("1","8","10","9","3","5","1") = "9"
    & skf18("1","8","10","9","3","6","1") = "9"
    & skf18("1","8","10","9","3","7","1") = "9"
    & skf18("1","8","10","9","3","8","1") = "9"
    & skf18("1","8","10","9","3","9","1") = "9"
    & skf18("1","8","10","9","3","10","1") = "9"
    & skf18("1","8","10","9","4","1","1") = "9"
    & skf18("1","8","10","9","4","2","1") = "9"
    & skf18("1","8","10","9","4","3","1") = "9"
    & skf18("1","8","10","9","4","4","1") = "9"
    & skf18("1","8","10","9","4","5","1") = "9"
    & skf18("1","8","10","9","4","6","1") = "9"
    & skf18("1","8","10","9","4","7","1") = "9"
    & skf18("1","8","10","9","4","8","1") = "9"
    & skf18("1","8","10","9","4","9","1") = "9"
    & skf18("1","8","10","9","4","10","1") = "9"
    & skf18("1","8","10","9","5","1","1") = "9"
    & skf18("1","8","10","9","5","2","1") = "9"
    & skf18("1","8","10","9","5","3","1") = "9"
    & skf18("1","8","10","9","5","4","1") = "9"
    & skf18("1","8","10","9","5","5","1") = "9"
    & skf18("1","8","10","9","5","6","1") = "9"
    & skf18("1","8","10","9","5","7","1") = "9"
    & skf18("1","8","10","9","5","8","1") = "9"
    & skf18("1","8","10","9","5","9","1") = "9"
    & skf18("1","8","10","9","5","10","1") = "9"
    & skf18("1","8","10","9","6","1","1") = "9"
    & skf18("1","8","10","9","6","2","1") = "9"
    & skf18("1","8","10","9","6","3","1") = "9"
    & skf18("1","8","10","9","6","4","1") = "9"
    & skf18("1","8","10","9","6","5","1") = "9"
    & skf18("1","8","10","9","6","6","1") = "9"
    & skf18("1","8","10","9","6","7","1") = "9"
    & skf18("1","8","10","9","6","8","1") = "9"
    & skf18("1","8","10","9","6","9","1") = "9"
    & skf18("1","8","10","9","6","10","1") = "9"
    & skf18("1","8","10","9","7","1","1") = "9"
    & skf18("1","8","10","9","7","2","1") = "9"
    & skf18("1","8","10","9","7","3","1") = "9"
    & skf18("1","8","10","9","7","4","1") = "9"
    & skf18("1","8","10","9","7","5","1") = "9"
    & skf18("1","8","10","9","7","6","1") = "9"
    & skf18("1","8","10","9","7","7","1") = "9"
    & skf18("1","8","10","9","7","8","1") = "9"
    & skf18("1","8","10","9","7","9","1") = "9"
    & skf18("1","8","10","9","7","10","1") = "9"
    & skf18("1","8","10","9","8","1","1") = "9"
    & skf18("1","8","10","9","8","2","1") = "9"
    & skf18("1","8","10","9","8","3","1") = "9"
    & skf18("1","8","10","9","8","4","1") = "9"
    & skf18("1","8","10","9","8","5","1") = "9"
    & skf18("1","8","10","9","8","6","1") = "9"
    & skf18("1","8","10","9","8","7","1") = "9"
    & skf18("1","8","10","9","8","8","1") = "9"
    & skf18("1","8","10","9","8","9","1") = "9"
    & skf18("1","8","10","9","8","10","1") = "9"
    & skf18("1","8","10","9","9","1","1") = "9"
    & skf18("1","8","10","9","9","2","1") = "9"
    & skf18("1","8","10","9","9","3","1") = "9"
    & skf18("1","8","10","9","9","4","1") = "9"
    & skf18("1","8","10","9","9","5","1") = "9"
    & skf18("1","8","10","9","9","6","1") = "9"
    & skf18("1","8","10","9","9","7","1") = "9"
    & skf18("1","8","10","9","9","8","1") = "9"
    & skf18("1","8","10","9","9","9","1") = "9"
    & skf18("1","8","10","9","9","10","1") = "9"
    & skf18("1","8","10","9","10","1","1") = "9"
    & skf18("1","8","10","9","10","2","1") = "9"
    & skf18("1","8","10","9","10","3","1") = "9"
    & skf18("1","8","10","9","10","4","1") = "9"
    & skf18("1","8","10","9","10","5","1") = "9"
    & skf18("1","8","10","9","10","6","1") = "9"
    & skf18("1","8","10","9","10","7","1") = "9"
    & skf18("1","8","10","9","10","8","1") = "9"
    & skf18("1","8","10","9","10","9","1") = "9"
    & skf18("1","8","10","9","10","10","1") = "9"
    & skf18("1","8","10","10","1","1","1") = "9"
    & skf18("1","8","10","10","1","2","1") = "9"
    & skf18("1","8","10","10","1","3","1") = "9"
    & skf18("1","8","10","10","1","4","1") = "9"
    & skf18("1","8","10","10","1","5","1") = "9"
    & skf18("1","8","10","10","1","6","1") = "9"
    & skf18("1","8","10","10","1","7","1") = "9"
    & skf18("1","8","10","10","1","8","1") = "9"
    & skf18("1","8","10","10","1","9","1") = "9"
    & skf18("1","8","10","10","1","10","1") = "9"
    & skf18("1","8","10","10","2","1","1") = "9"
    & skf18("1","8","10","10","2","2","1") = "9"
    & skf18("1","8","10","10","2","3","1") = "9"
    & skf18("1","8","10","10","2","4","1") = "9"
    & skf18("1","8","10","10","2","5","1") = "9"
    & skf18("1","8","10","10","2","6","1") = "9"
    & skf18("1","8","10","10","2","7","1") = "9"
    & skf18("1","8","10","10","2","8","1") = "9"
    & skf18("1","8","10","10","2","9","1") = "9"
    & skf18("1","8","10","10","2","10","1") = "9"
    & skf18("1","8","10","10","3","1","1") = "9"
    & skf18("1","8","10","10","3","2","1") = "9"
    & skf18("1","8","10","10","3","3","1") = "9"
    & skf18("1","8","10","10","3","4","1") = "9"
    & skf18("1","8","10","10","3","5","1") = "9"
    & skf18("1","8","10","10","3","6","1") = "9"
    & skf18("1","8","10","10","3","7","1") = "9"
    & skf18("1","8","10","10","3","8","1") = "9"
    & skf18("1","8","10","10","3","9","1") = "9"
    & skf18("1","8","10","10","3","10","1") = "9"
    & skf18("1","8","10","10","4","1","1") = "9"
    & skf18("1","8","10","10","4","2","1") = "9"
    & skf18("1","8","10","10","4","3","1") = "9"
    & skf18("1","8","10","10","4","4","1") = "9"
    & skf18("1","8","10","10","4","5","1") = "9"
    & skf18("1","8","10","10","4","6","1") = "9"
    & skf18("1","8","10","10","4","7","1") = "9"
    & skf18("1","8","10","10","4","8","1") = "9"
    & skf18("1","8","10","10","4","9","1") = "9"
    & skf18("1","8","10","10","4","10","1") = "9"
    & skf18("1","8","10","10","5","1","1") = "9"
    & skf18("1","8","10","10","5","2","1") = "9"
    & skf18("1","8","10","10","5","3","1") = "9"
    & skf18("1","8","10","10","5","4","1") = "9"
    & skf18("1","8","10","10","5","5","1") = "9"
    & skf18("1","8","10","10","5","6","1") = "9"
    & skf18("1","8","10","10","5","7","1") = "9"
    & skf18("1","8","10","10","5","8","1") = "9"
    & skf18("1","8","10","10","5","9","1") = "9"
    & skf18("1","8","10","10","5","10","1") = "9"
    & skf18("1","8","10","10","6","1","1") = "9"
    & skf18("1","8","10","10","6","2","1") = "9"
    & skf18("1","8","10","10","6","3","1") = "9"
    & skf18("1","8","10","10","6","4","1") = "9"
    & skf18("1","8","10","10","6","5","1") = "9"
    & skf18("1","8","10","10","6","6","1") = "9"
    & skf18("1","8","10","10","6","7","1") = "9"
    & skf18("1","8","10","10","6","8","1") = "9"
    & skf18("1","8","10","10","6","9","1") = "9"
    & skf18("1","8","10","10","6","10","1") = "9"
    & skf18("1","8","10","10","7","1","1") = "9"
    & skf18("1","8","10","10","7","2","1") = "9"
    & skf18("1","8","10","10","7","3","1") = "9"
    & skf18("1","8","10","10","7","4","1") = "9"
    & skf18("1","8","10","10","7","5","1") = "9"
    & skf18("1","8","10","10","7","6","1") = "9"
    & skf18("1","8","10","10","7","7","1") = "9"
    & skf18("1","8","10","10","7","8","1") = "9"
    & skf18("1","8","10","10","7","9","1") = "9"
    & skf18("1","8","10","10","7","10","1") = "9"
    & skf18("1","8","10","10","8","1","1") = "9"
    & skf18("1","8","10","10","8","2","1") = "9"
    & skf18("1","8","10","10","8","3","1") = "9"
    & skf18("1","8","10","10","8","4","1") = "9"
    & skf18("1","8","10","10","8","5","1") = "9"
    & skf18("1","8","10","10","8","6","1") = "9"
    & skf18("1","8","10","10","8","7","1") = "9"
    & skf18("1","8","10","10","8","8","1") = "9"
    & skf18("1","8","10","10","8","9","1") = "9"
    & skf18("1","8","10","10","8","10","1") = "9"
    & skf18("1","8","10","10","9","1","1") = "9"
    & skf18("1","8","10","10","9","2","1") = "9"
    & skf18("1","8","10","10","9","3","1") = "9"
    & skf18("1","8","10","10","9","4","1") = "9"
    & skf18("1","8","10","10","9","5","1") = "9"
    & skf18("1","8","10","10","9","6","1") = "9"
    & skf18("1","8","10","10","9","7","1") = "9"
    & skf18("1","8","10","10","9","8","1") = "9"
    & skf18("1","8","10","10","9","9","1") = "9"
    & skf18("1","8","10","10","9","10","1") = "9"
    & skf18("1","8","10","10","10","1","1") = "9"
    & skf18("1","8","10","10","10","2","1") = "9"
    & skf18("1","8","10","10","10","3","1") = "9"
    & skf18("1","8","10","10","10","4","1") = "9"
    & skf18("1","8","10","10","10","5","1") = "9"
    & skf18("1","8","10","10","10","6","1") = "9"
    & skf18("1","8","10","10","10","7","1") = "9"
    & skf18("1","8","10","10","10","8","1") = "9"
    & skf18("1","8","10","10","10","9","1") = "9"
    & skf18("1","8","10","10","10","10","1") = "9"
    & skf18("1","9","1","1","1","1","1") = "8"
    & skf18("1","9","1","1","1","2","1") = "8"
    & skf18("1","9","1","1","1","3","1") = "8"
    & skf18("1","9","1","1","1","4","1") = "8"
    & skf18("1","9","1","1","1","5","1") = "8"
    & skf18("1","9","1","1","1","6","1") = "8"
    & skf18("1","9","1","1","1","7","1") = "8"
    & skf18("1","9","1","1","1","8","1") = "8"
    & skf18("1","9","1","1","1","9","1") = "8"
    & skf18("1","9","1","1","1","10","1") = "9"
    & skf18("1","9","1","1","2","1","1") = "8"
    & skf18("1","9","1","1","2","2","1") = "8"
    & skf18("1","9","1","1","2","3","1") = "8"
    & skf18("1","9","1","1","2","4","1") = "8"
    & skf18("1","9","1","1","2","5","1") = "8"
    & skf18("1","9","1","1","2","6","1") = "8"
    & skf18("1","9","1","1","2","7","1") = "8"
    & skf18("1","9","1","1","2","8","1") = "8"
    & skf18("1","9","1","1","2","9","1") = "8"
    & skf18("1","9","1","1","2","10","1") = "9"
    & skf18("1","9","1","1","3","1","1") = "8"
    & skf18("1","9","1","1","3","2","1") = "8"
    & skf18("1","9","1","1","3","3","1") = "8"
    & skf18("1","9","1","1","3","4","1") = "8"
    & skf18("1","9","1","1","3","5","1") = "8"
    & skf18("1","9","1","1","3","6","1") = "8"
    & skf18("1","9","1","1","3","7","1") = "8"
    & skf18("1","9","1","1","3","8","1") = "8"
    & skf18("1","9","1","1","3","9","1") = "8"
    & skf18("1","9","1","1","3","10","1") = "9"
    & skf18("1","9","1","1","4","1","1") = "8"
    & skf18("1","9","1","1","4","2","1") = "8"
    & skf18("1","9","1","1","4","3","1") = "8"
    & skf18("1","9","1","1","4","4","1") = "8"
    & skf18("1","9","1","1","4","5","1") = "8"
    & skf18("1","9","1","1","4","6","1") = "8"
    & skf18("1","9","1","1","4","7","1") = "8"
    & skf18("1","9","1","1","4","8","1") = "8"
    & skf18("1","9","1","1","4","9","1") = "8"
    & skf18("1","9","1","1","4","10","1") = "9"
    & skf18("1","9","1","1","5","1","1") = "8"
    & skf18("1","9","1","1","5","2","1") = "8"
    & skf18("1","9","1","1","5","3","1") = "8"
    & skf18("1","9","1","1","5","4","1") = "8"
    & skf18("1","9","1","1","5","5","1") = "8"
    & skf18("1","9","1","1","5","6","1") = "8"
    & skf18("1","9","1","1","5","7","1") = "8"
    & skf18("1","9","1","1","5","8","1") = "8"
    & skf18("1","9","1","1","5","9","1") = "8"
    & skf18("1","9","1","1","5","10","1") = "9"
    & skf18("1","9","1","1","6","1","1") = "8"
    & skf18("1","9","1","1","6","2","1") = "8"
    & skf18("1","9","1","1","6","3","1") = "8"
    & skf18("1","9","1","1","6","4","1") = "8"
    & skf18("1","9","1","1","6","5","1") = "8"
    & skf18("1","9","1","1","6","6","1") = "8"
    & skf18("1","9","1","1","6","7","1") = "8"
    & skf18("1","9","1","1","6","8","1") = "8"
    & skf18("1","9","1","1","6","9","1") = "8"
    & skf18("1","9","1","1","6","10","1") = "9"
    & skf18("1","9","1","1","7","1","1") = "8"
    & skf18("1","9","1","1","7","2","1") = "8"
    & skf18("1","9","1","1","7","3","1") = "8"
    & skf18("1","9","1","1","7","4","1") = "8"
    & skf18("1","9","1","1","7","5","1") = "8"
    & skf18("1","9","1","1","7","6","1") = "8"
    & skf18("1","9","1","1","7","7","1") = "8"
    & skf18("1","9","1","1","7","8","1") = "8"
    & skf18("1","9","1","1","7","9","1") = "8"
    & skf18("1","9","1","1","7","10","1") = "9"
    & skf18("1","9","1","1","8","1","1") = "8"
    & skf18("1","9","1","1","8","2","1") = "8"
    & skf18("1","9","1","1","8","3","1") = "8"
    & skf18("1","9","1","1","8","4","1") = "8"
    & skf18("1","9","1","1","8","5","1") = "8"
    & skf18("1","9","1","1","8","6","1") = "8"
    & skf18("1","9","1","1","8","7","1") = "8"
    & skf18("1","9","1","1","8","8","1") = "8"
    & skf18("1","9","1","1","8","9","1") = "8"
    & skf18("1","9","1","1","8","10","1") = "9"
    & skf18("1","9","1","1","9","1","1") = "8"
    & skf18("1","9","1","1","9","2","1") = "8"
    & skf18("1","9","1","1","9","3","1") = "8"
    & skf18("1","9","1","1","9","4","1") = "8"
    & skf18("1","9","1","1","9","5","1") = "8"
    & skf18("1","9","1","1","9","6","1") = "8"
    & skf18("1","9","1","1","9","7","1") = "8"
    & skf18("1","9","1","1","9","8","1") = "8"
    & skf18("1","9","1","1","9","9","1") = "8"
    & skf18("1","9","1","1","9","10","1") = "9"
    & skf18("1","9","1","1","10","1","1") = "9"
    & skf18("1","9","1","1","10","2","1") = "9"
    & skf18("1","9","1","1","10","3","1") = "9"
    & skf18("1","9","1","1","10","4","1") = "9"
    & skf18("1","9","1","1","10","5","1") = "9"
    & skf18("1","9","1","1","10","6","1") = "9"
    & skf18("1","9","1","1","10","7","1") = "9"
    & skf18("1","9","1","1","10","8","1") = "9"
    & skf18("1","9","1","1","10","9","1") = "9"
    & skf18("1","9","1","1","10","10","1") = "9"
    & skf18("1","9","1","2","1","1","1") = "8"
    & skf18("1","9","1","2","1","2","1") = "8"
    & skf18("1","9","1","2","1","3","1") = "8"
    & skf18("1","9","1","2","1","4","1") = "8"
    & skf18("1","9","1","2","1","5","1") = "8"
    & skf18("1","9","1","2","1","6","1") = "8"
    & skf18("1","9","1","2","1","7","1") = "8"
    & skf18("1","9","1","2","1","8","1") = "8"
    & skf18("1","9","1","2","1","9","1") = "8"
    & skf18("1","9","1","2","1","10","1") = "9"
    & skf18("1","9","1","2","2","1","1") = "8"
    & skf18("1","9","1","2","2","2","1") = "8"
    & skf18("1","9","1","2","2","3","1") = "8"
    & skf18("1","9","1","2","2","4","1") = "8"
    & skf18("1","9","1","2","2","5","1") = "8"
    & skf18("1","9","1","2","2","6","1") = "8"
    & skf18("1","9","1","2","2","7","1") = "8"
    & skf18("1","9","1","2","2","8","1") = "8"
    & skf18("1","9","1","2","2","9","1") = "8"
    & skf18("1","9","1","2","2","10","1") = "9"
    & skf18("1","9","1","2","3","1","1") = "8"
    & skf18("1","9","1","2","3","2","1") = "8"
    & skf18("1","9","1","2","3","3","1") = "8"
    & skf18("1","9","1","2","3","4","1") = "8"
    & skf18("1","9","1","2","3","5","1") = "8"
    & skf18("1","9","1","2","3","6","1") = "8"
    & skf18("1","9","1","2","3","7","1") = "8"
    & skf18("1","9","1","2","3","8","1") = "8"
    & skf18("1","9","1","2","3","9","1") = "8"
    & skf18("1","9","1","2","3","10","1") = "9"
    & skf18("1","9","1","2","4","1","1") = "8"
    & skf18("1","9","1","2","4","2","1") = "8"
    & skf18("1","9","1","2","4","3","1") = "8"
    & skf18("1","9","1","2","4","4","1") = "8"
    & skf18("1","9","1","2","4","5","1") = "8"
    & skf18("1","9","1","2","4","6","1") = "8"
    & skf18("1","9","1","2","4","7","1") = "8"
    & skf18("1","9","1","2","4","8","1") = "8"
    & skf18("1","9","1","2","4","9","1") = "8"
    & skf18("1","9","1","2","4","10","1") = "9"
    & skf18("1","9","1","2","5","1","1") = "8"
    & skf18("1","9","1","2","5","2","1") = "8"
    & skf18("1","9","1","2","5","3","1") = "8"
    & skf18("1","9","1","2","5","4","1") = "8"
    & skf18("1","9","1","2","5","5","1") = "8"
    & skf18("1","9","1","2","5","6","1") = "8"
    & skf18("1","9","1","2","5","7","1") = "8"
    & skf18("1","9","1","2","5","8","1") = "8"
    & skf18("1","9","1","2","5","9","1") = "8"
    & skf18("1","9","1","2","5","10","1") = "9"
    & skf18("1","9","1","2","6","1","1") = "8"
    & skf18("1","9","1","2","6","2","1") = "8"
    & skf18("1","9","1","2","6","3","1") = "8"
    & skf18("1","9","1","2","6","4","1") = "8"
    & skf18("1","9","1","2","6","5","1") = "8"
    & skf18("1","9","1","2","6","6","1") = "8"
    & skf18("1","9","1","2","6","7","1") = "8"
    & skf18("1","9","1","2","6","8","1") = "8"
    & skf18("1","9","1","2","6","9","1") = "8"
    & skf18("1","9","1","2","6","10","1") = "9"
    & skf18("1","9","1","2","7","1","1") = "8"
    & skf18("1","9","1","2","7","2","1") = "8"
    & skf18("1","9","1","2","7","3","1") = "8"
    & skf18("1","9","1","2","7","4","1") = "8"
    & skf18("1","9","1","2","7","5","1") = "8"
    & skf18("1","9","1","2","7","6","1") = "8"
    & skf18("1","9","1","2","7","7","1") = "8"
    & skf18("1","9","1","2","7","8","1") = "8"
    & skf18("1","9","1","2","7","9","1") = "8"
    & skf18("1","9","1","2","7","10","1") = "9"
    & skf18("1","9","1","2","8","1","1") = "8"
    & skf18("1","9","1","2","8","2","1") = "8"
    & skf18("1","9","1","2","8","3","1") = "8"
    & skf18("1","9","1","2","8","4","1") = "8"
    & skf18("1","9","1","2","8","5","1") = "8"
    & skf18("1","9","1","2","8","6","1") = "8"
    & skf18("1","9","1","2","8","7","1") = "8"
    & skf18("1","9","1","2","8","8","1") = "8"
    & skf18("1","9","1","2","8","9","1") = "8"
    & skf18("1","9","1","2","8","10","1") = "9"
    & skf18("1","9","1","2","9","1","1") = "8"
    & skf18("1","9","1","2","9","2","1") = "8"
    & skf18("1","9","1","2","9","3","1") = "8"
    & skf18("1","9","1","2","9","4","1") = "8"
    & skf18("1","9","1","2","9","5","1") = "8"
    & skf18("1","9","1","2","9","6","1") = "8"
    & skf18("1","9","1","2","9","7","1") = "8"
    & skf18("1","9","1","2","9","8","1") = "8"
    & skf18("1","9","1","2","9","9","1") = "8"
    & skf18("1","9","1","2","9","10","1") = "9"
    & skf18("1","9","1","2","10","1","1") = "9"
    & skf18("1","9","1","2","10","2","1") = "9"
    & skf18("1","9","1","2","10","3","1") = "9"
    & skf18("1","9","1","2","10","4","1") = "9"
    & skf18("1","9","1","2","10","5","1") = "9"
    & skf18("1","9","1","2","10","6","1") = "9"
    & skf18("1","9","1","2","10","7","1") = "9"
    & skf18("1","9","1","2","10","8","1") = "9"
    & skf18("1","9","1","2","10","9","1") = "9"
    & skf18("1","9","1","2","10","10","1") = "9"
    & skf18("1","9","1","3","1","1","1") = "8"
    & skf18("1","9","1","3","1","2","1") = "8"
    & skf18("1","9","1","3","1","3","1") = "8"
    & skf18("1","9","1","3","1","4","1") = "8"
    & skf18("1","9","1","3","1","5","1") = "8"
    & skf18("1","9","1","3","1","6","1") = "8"
    & skf18("1","9","1","3","1","7","1") = "8"
    & skf18("1","9","1","3","1","8","1") = "8"
    & skf18("1","9","1","3","1","9","1") = "8"
    & skf18("1","9","1","3","1","10","1") = "9"
    & skf18("1","9","1","3","2","1","1") = "8"
    & skf18("1","9","1","3","2","2","1") = "8"
    & skf18("1","9","1","3","2","3","1") = "8"
    & skf18("1","9","1","3","2","4","1") = "8"
    & skf18("1","9","1","3","2","5","1") = "8"
    & skf18("1","9","1","3","2","6","1") = "8"
    & skf18("1","9","1","3","2","7","1") = "8"
    & skf18("1","9","1","3","2","8","1") = "8"
    & skf18("1","9","1","3","2","9","1") = "8"
    & skf18("1","9","1","3","2","10","1") = "9"
    & skf18("1","9","1","3","3","1","1") = "8"
    & skf18("1","9","1","3","3","2","1") = "8"
    & skf18("1","9","1","3","3","3","1") = "8"
    & skf18("1","9","1","3","3","4","1") = "8"
    & skf18("1","9","1","3","3","5","1") = "8"
    & skf18("1","9","1","3","3","6","1") = "8"
    & skf18("1","9","1","3","3","7","1") = "8"
    & skf18("1","9","1","3","3","8","1") = "8"
    & skf18("1","9","1","3","3","9","1") = "8"
    & skf18("1","9","1","3","3","10","1") = "9"
    & skf18("1","9","1","3","4","1","1") = "8"
    & skf18("1","9","1","3","4","2","1") = "8"
    & skf18("1","9","1","3","4","3","1") = "8"
    & skf18("1","9","1","3","4","4","1") = "8"
    & skf18("1","9","1","3","4","5","1") = "8"
    & skf18("1","9","1","3","4","6","1") = "8"
    & skf18("1","9","1","3","4","7","1") = "8"
    & skf18("1","9","1","3","4","8","1") = "8"
    & skf18("1","9","1","3","4","9","1") = "8"
    & skf18("1","9","1","3","4","10","1") = "9"
    & skf18("1","9","1","3","5","1","1") = "8"
    & skf18("1","9","1","3","5","2","1") = "8"
    & skf18("1","9","1","3","5","3","1") = "8"
    & skf18("1","9","1","3","5","4","1") = "8"
    & skf18("1","9","1","3","5","5","1") = "8"
    & skf18("1","9","1","3","5","6","1") = "8"
    & skf18("1","9","1","3","5","7","1") = "8"
    & skf18("1","9","1","3","5","8","1") = "8"
    & skf18("1","9","1","3","5","9","1") = "8"
    & skf18("1","9","1","3","5","10","1") = "9"
    & skf18("1","9","1","3","6","1","1") = "8"
    & skf18("1","9","1","3","6","2","1") = "8"
    & skf18("1","9","1","3","6","3","1") = "8"
    & skf18("1","9","1","3","6","4","1") = "8"
    & skf18("1","9","1","3","6","5","1") = "8"
    & skf18("1","9","1","3","6","6","1") = "8"
    & skf18("1","9","1","3","6","7","1") = "8"
    & skf18("1","9","1","3","6","8","1") = "8"
    & skf18("1","9","1","3","6","9","1") = "8"
    & skf18("1","9","1","3","6","10","1") = "9"
    & skf18("1","9","1","3","7","1","1") = "8"
    & skf18("1","9","1","3","7","2","1") = "8"
    & skf18("1","9","1","3","7","3","1") = "8"
    & skf18("1","9","1","3","7","4","1") = "8"
    & skf18("1","9","1","3","7","5","1") = "8"
    & skf18("1","9","1","3","7","6","1") = "8"
    & skf18("1","9","1","3","7","7","1") = "8"
    & skf18("1","9","1","3","7","8","1") = "8"
    & skf18("1","9","1","3","7","9","1") = "8"
    & skf18("1","9","1","3","7","10","1") = "9"
    & skf18("1","9","1","3","8","1","1") = "8"
    & skf18("1","9","1","3","8","2","1") = "8"
    & skf18("1","9","1","3","8","3","1") = "8"
    & skf18("1","9","1","3","8","4","1") = "8"
    & skf18("1","9","1","3","8","5","1") = "8"
    & skf18("1","9","1","3","8","6","1") = "8"
    & skf18("1","9","1","3","8","7","1") = "8"
    & skf18("1","9","1","3","8","8","1") = "8"
    & skf18("1","9","1","3","8","9","1") = "8"
    & skf18("1","9","1","3","8","10","1") = "9"
    & skf18("1","9","1","3","9","1","1") = "8"
    & skf18("1","9","1","3","9","2","1") = "8"
    & skf18("1","9","1","3","9","3","1") = "8"
    & skf18("1","9","1","3","9","4","1") = "8"
    & skf18("1","9","1","3","9","5","1") = "8"
    & skf18("1","9","1","3","9","6","1") = "8"
    & skf18("1","9","1","3","9","7","1") = "8"
    & skf18("1","9","1","3","9","8","1") = "8"
    & skf18("1","9","1","3","9","9","1") = "8"
    & skf18("1","9","1","3","9","10","1") = "9"
    & skf18("1","9","1","3","10","1","1") = "9"
    & skf18("1","9","1","3","10","2","1") = "9"
    & skf18("1","9","1","3","10","3","1") = "9"
    & skf18("1","9","1","3","10","4","1") = "9"
    & skf18("1","9","1","3","10","5","1") = "9"
    & skf18("1","9","1","3","10","6","1") = "9"
    & skf18("1","9","1","3","10","7","1") = "9"
    & skf18("1","9","1","3","10","8","1") = "9"
    & skf18("1","9","1","3","10","9","1") = "9"
    & skf18("1","9","1","3","10","10","1") = "9"
    & skf18("1","9","1","4","1","1","1") = "8"
    & skf18("1","9","1","4","1","2","1") = "8"
    & skf18("1","9","1","4","1","3","1") = "8"
    & skf18("1","9","1","4","1","4","1") = "8"
    & skf18("1","9","1","4","1","5","1") = "8"
    & skf18("1","9","1","4","1","6","1") = "8"
    & skf18("1","9","1","4","1","7","1") = "8"
    & skf18("1","9","1","4","1","8","1") = "8"
    & skf18("1","9","1","4","1","9","1") = "8"
    & skf18("1","9","1","4","1","10","1") = "9"
    & skf18("1","9","1","4","2","1","1") = "8"
    & skf18("1","9","1","4","2","2","1") = "8"
    & skf18("1","9","1","4","2","3","1") = "8"
    & skf18("1","9","1","4","2","4","1") = "8"
    & skf18("1","9","1","4","2","5","1") = "8"
    & skf18("1","9","1","4","2","6","1") = "8"
    & skf18("1","9","1","4","2","7","1") = "8"
    & skf18("1","9","1","4","2","8","1") = "8"
    & skf18("1","9","1","4","2","9","1") = "8"
    & skf18("1","9","1","4","2","10","1") = "9"
    & skf18("1","9","1","4","3","1","1") = "8"
    & skf18("1","9","1","4","3","2","1") = "8"
    & skf18("1","9","1","4","3","3","1") = "8"
    & skf18("1","9","1","4","3","4","1") = "8"
    & skf18("1","9","1","4","3","5","1") = "8"
    & skf18("1","9","1","4","3","6","1") = "8"
    & skf18("1","9","1","4","3","7","1") = "8"
    & skf18("1","9","1","4","3","8","1") = "8"
    & skf18("1","9","1","4","3","9","1") = "8"
    & skf18("1","9","1","4","3","10","1") = "9"
    & skf18("1","9","1","4","4","1","1") = "8"
    & skf18("1","9","1","4","4","2","1") = "8"
    & skf18("1","9","1","4","4","3","1") = "8"
    & skf18("1","9","1","4","4","4","1") = "8"
    & skf18("1","9","1","4","4","5","1") = "8"
    & skf18("1","9","1","4","4","6","1") = "8"
    & skf18("1","9","1","4","4","7","1") = "8"
    & skf18("1","9","1","4","4","8","1") = "8"
    & skf18("1","9","1","4","4","9","1") = "8"
    & skf18("1","9","1","4","4","10","1") = "9"
    & skf18("1","9","1","4","5","1","1") = "8"
    & skf18("1","9","1","4","5","2","1") = "8"
    & skf18("1","9","1","4","5","3","1") = "8"
    & skf18("1","9","1","4","5","4","1") = "8"
    & skf18("1","9","1","4","5","5","1") = "8"
    & skf18("1","9","1","4","5","6","1") = "8"
    & skf18("1","9","1","4","5","7","1") = "8"
    & skf18("1","9","1","4","5","8","1") = "8"
    & skf18("1","9","1","4","5","9","1") = "8"
    & skf18("1","9","1","4","5","10","1") = "9"
    & skf18("1","9","1","4","6","1","1") = "8"
    & skf18("1","9","1","4","6","2","1") = "8"
    & skf18("1","9","1","4","6","3","1") = "8"
    & skf18("1","9","1","4","6","4","1") = "8"
    & skf18("1","9","1","4","6","5","1") = "8"
    & skf18("1","9","1","4","6","6","1") = "8"
    & skf18("1","9","1","4","6","7","1") = "8"
    & skf18("1","9","1","4","6","8","1") = "8"
    & skf18("1","9","1","4","6","9","1") = "8"
    & skf18("1","9","1","4","6","10","1") = "9"
    & skf18("1","9","1","4","7","1","1") = "8"
    & skf18("1","9","1","4","7","2","1") = "8"
    & skf18("1","9","1","4","7","3","1") = "8"
    & skf18("1","9","1","4","7","4","1") = "8"
    & skf18("1","9","1","4","7","5","1") = "8"
    & skf18("1","9","1","4","7","6","1") = "8"
    & skf18("1","9","1","4","7","7","1") = "8"
    & skf18("1","9","1","4","7","8","1") = "8"
    & skf18("1","9","1","4","7","9","1") = "8"
    & skf18("1","9","1","4","7","10","1") = "9"
    & skf18("1","9","1","4","8","1","1") = "8"
    & skf18("1","9","1","4","8","2","1") = "8"
    & skf18("1","9","1","4","8","3","1") = "8"
    & skf18("1","9","1","4","8","4","1") = "8"
    & skf18("1","9","1","4","8","5","1") = "8"
    & skf18("1","9","1","4","8","6","1") = "8"
    & skf18("1","9","1","4","8","7","1") = "8"
    & skf18("1","9","1","4","8","8","1") = "8"
    & skf18("1","9","1","4","8","9","1") = "8"
    & skf18("1","9","1","4","8","10","1") = "9"
    & skf18("1","9","1","4","9","1","1") = "8"
    & skf18("1","9","1","4","9","2","1") = "8"
    & skf18("1","9","1","4","9","3","1") = "8"
    & skf18("1","9","1","4","9","4","1") = "8"
    & skf18("1","9","1","4","9","5","1") = "8"
    & skf18("1","9","1","4","9","6","1") = "8"
    & skf18("1","9","1","4","9","7","1") = "8"
    & skf18("1","9","1","4","9","8","1") = "8"
    & skf18("1","9","1","4","9","9","1") = "8"
    & skf18("1","9","1","4","9","10","1") = "9"
    & skf18("1","9","1","4","10","1","1") = "9"
    & skf18("1","9","1","4","10","2","1") = "9"
    & skf18("1","9","1","4","10","3","1") = "9"
    & skf18("1","9","1","4","10","4","1") = "9"
    & skf18("1","9","1","4","10","5","1") = "9"
    & skf18("1","9","1","4","10","6","1") = "9"
    & skf18("1","9","1","4","10","7","1") = "9"
    & skf18("1","9","1","4","10","8","1") = "9"
    & skf18("1","9","1","4","10","9","1") = "9"
    & skf18("1","9","1","4","10","10","1") = "9"
    & skf18("1","9","1","5","1","1","1") = "8"
    & skf18("1","9","1","5","1","2","1") = "8"
    & skf18("1","9","1","5","1","3","1") = "8"
    & skf18("1","9","1","5","1","4","1") = "8"
    & skf18("1","9","1","5","1","5","1") = "8"
    & skf18("1","9","1","5","1","6","1") = "8"
    & skf18("1","9","1","5","1","7","1") = "8"
    & skf18("1","9","1","5","1","8","1") = "8"
    & skf18("1","9","1","5","1","9","1") = "8"
    & skf18("1","9","1","5","1","10","1") = "9"
    & skf18("1","9","1","5","2","1","1") = "8"
    & skf18("1","9","1","5","2","2","1") = "8"
    & skf18("1","9","1","5","2","3","1") = "8"
    & skf18("1","9","1","5","2","4","1") = "8"
    & skf18("1","9","1","5","2","5","1") = "8"
    & skf18("1","9","1","5","2","6","1") = "8"
    & skf18("1","9","1","5","2","7","1") = "8"
    & skf18("1","9","1","5","2","8","1") = "8"
    & skf18("1","9","1","5","2","9","1") = "8"
    & skf18("1","9","1","5","2","10","1") = "9"
    & skf18("1","9","1","5","3","1","1") = "8"
    & skf18("1","9","1","5","3","2","1") = "8"
    & skf18("1","9","1","5","3","3","1") = "8"
    & skf18("1","9","1","5","3","4","1") = "8"
    & skf18("1","9","1","5","3","5","1") = "8"
    & skf18("1","9","1","5","3","6","1") = "8"
    & skf18("1","9","1","5","3","7","1") = "8"
    & skf18("1","9","1","5","3","8","1") = "8"
    & skf18("1","9","1","5","3","9","1") = "8"
    & skf18("1","9","1","5","3","10","1") = "9"
    & skf18("1","9","1","5","4","1","1") = "8"
    & skf18("1","9","1","5","4","2","1") = "8"
    & skf18("1","9","1","5","4","3","1") = "8"
    & skf18("1","9","1","5","4","4","1") = "8"
    & skf18("1","9","1","5","4","5","1") = "8"
    & skf18("1","9","1","5","4","6","1") = "8"
    & skf18("1","9","1","5","4","7","1") = "8"
    & skf18("1","9","1","5","4","8","1") = "8"
    & skf18("1","9","1","5","4","9","1") = "8"
    & skf18("1","9","1","5","4","10","1") = "9"
    & skf18("1","9","1","5","5","1","1") = "8"
    & skf18("1","9","1","5","5","2","1") = "8"
    & skf18("1","9","1","5","5","3","1") = "8"
    & skf18("1","9","1","5","5","4","1") = "8"
    & skf18("1","9","1","5","5","5","1") = "8"
    & skf18("1","9","1","5","5","6","1") = "8"
    & skf18("1","9","1","5","5","7","1") = "8"
    & skf18("1","9","1","5","5","8","1") = "8"
    & skf18("1","9","1","5","5","9","1") = "8"
    & skf18("1","9","1","5","5","10","1") = "9"
    & skf18("1","9","1","5","6","1","1") = "8"
    & skf18("1","9","1","5","6","2","1") = "8"
    & skf18("1","9","1","5","6","3","1") = "8"
    & skf18("1","9","1","5","6","4","1") = "8"
    & skf18("1","9","1","5","6","5","1") = "8"
    & skf18("1","9","1","5","6","6","1") = "8"
    & skf18("1","9","1","5","6","7","1") = "8"
    & skf18("1","9","1","5","6","8","1") = "8"
    & skf18("1","9","1","5","6","9","1") = "8"
    & skf18("1","9","1","5","6","10","1") = "9"
    & skf18("1","9","1","5","7","1","1") = "8"
    & skf18("1","9","1","5","7","2","1") = "8"
    & skf18("1","9","1","5","7","3","1") = "8"
    & skf18("1","9","1","5","7","4","1") = "8"
    & skf18("1","9","1","5","7","5","1") = "8"
    & skf18("1","9","1","5","7","6","1") = "8"
    & skf18("1","9","1","5","7","7","1") = "8"
    & skf18("1","9","1","5","7","8","1") = "8"
    & skf18("1","9","1","5","7","9","1") = "8"
    & skf18("1","9","1","5","7","10","1") = "9"
    & skf18("1","9","1","5","8","1","1") = "8"
    & skf18("1","9","1","5","8","2","1") = "8"
    & skf18("1","9","1","5","8","3","1") = "8"
    & skf18("1","9","1","5","8","4","1") = "8"
    & skf18("1","9","1","5","8","5","1") = "8"
    & skf18("1","9","1","5","8","6","1") = "8"
    & skf18("1","9","1","5","8","7","1") = "8"
    & skf18("1","9","1","5","8","8","1") = "8"
    & skf18("1","9","1","5","8","9","1") = "8"
    & skf18("1","9","1","5","8","10","1") = "9"
    & skf18("1","9","1","5","9","1","1") = "8"
    & skf18("1","9","1","5","9","2","1") = "8"
    & skf18("1","9","1","5","9","3","1") = "8"
    & skf18("1","9","1","5","9","4","1") = "8"
    & skf18("1","9","1","5","9","5","1") = "8"
    & skf18("1","9","1","5","9","6","1") = "8"
    & skf18("1","9","1","5","9","7","1") = "8"
    & skf18("1","9","1","5","9","8","1") = "8"
    & skf18("1","9","1","5","9","9","1") = "8"
    & skf18("1","9","1","5","9","10","1") = "9"
    & skf18("1","9","1","5","10","1","1") = "9"
    & skf18("1","9","1","5","10","2","1") = "9"
    & skf18("1","9","1","5","10","3","1") = "9"
    & skf18("1","9","1","5","10","4","1") = "9"
    & skf18("1","9","1","5","10","5","1") = "9"
    & skf18("1","9","1","5","10","6","1") = "9"
    & skf18("1","9","1","5","10","7","1") = "9"
    & skf18("1","9","1","5","10","8","1") = "9"
    & skf18("1","9","1","5","10","9","1") = "9"
    & skf18("1","9","1","5","10","10","1") = "9"
    & skf18("1","9","1","6","1","1","1") = "8"
    & skf18("1","9","1","6","1","2","1") = "8"
    & skf18("1","9","1","6","1","3","1") = "8"
    & skf18("1","9","1","6","1","4","1") = "8"
    & skf18("1","9","1","6","1","5","1") = "8"
    & skf18("1","9","1","6","1","6","1") = "8"
    & skf18("1","9","1","6","1","7","1") = "8"
    & skf18("1","9","1","6","1","8","1") = "8"
    & skf18("1","9","1","6","1","9","1") = "8"
    & skf18("1","9","1","6","1","10","1") = "9"
    & skf18("1","9","1","6","2","1","1") = "8"
    & skf18("1","9","1","6","2","2","1") = "8"
    & skf18("1","9","1","6","2","3","1") = "8"
    & skf18("1","9","1","6","2","4","1") = "8"
    & skf18("1","9","1","6","2","5","1") = "8"
    & skf18("1","9","1","6","2","6","1") = "8"
    & skf18("1","9","1","6","2","7","1") = "8"
    & skf18("1","9","1","6","2","8","1") = "8"
    & skf18("1","9","1","6","2","9","1") = "8"
    & skf18("1","9","1","6","2","10","1") = "9"
    & skf18("1","9","1","6","3","1","1") = "8"
    & skf18("1","9","1","6","3","2","1") = "8"
    & skf18("1","9","1","6","3","3","1") = "8"
    & skf18("1","9","1","6","3","4","1") = "8"
    & skf18("1","9","1","6","3","5","1") = "8"
    & skf18("1","9","1","6","3","6","1") = "8"
    & skf18("1","9","1","6","3","7","1") = "8"
    & skf18("1","9","1","6","3","8","1") = "8"
    & skf18("1","9","1","6","3","9","1") = "8"
    & skf18("1","9","1","6","3","10","1") = "9"
    & skf18("1","9","1","6","4","1","1") = "8"
    & skf18("1","9","1","6","4","2","1") = "8"
    & skf18("1","9","1","6","4","3","1") = "8"
    & skf18("1","9","1","6","4","4","1") = "8"
    & skf18("1","9","1","6","4","5","1") = "8"
    & skf18("1","9","1","6","4","6","1") = "8"
    & skf18("1","9","1","6","4","7","1") = "8"
    & skf18("1","9","1","6","4","8","1") = "8"
    & skf18("1","9","1","6","4","9","1") = "8"
    & skf18("1","9","1","6","4","10","1") = "9"
    & skf18("1","9","1","6","5","1","1") = "8"
    & skf18("1","9","1","6","5","2","1") = "8"
    & skf18("1","9","1","6","5","3","1") = "8"
    & skf18("1","9","1","6","5","4","1") = "8"
    & skf18("1","9","1","6","5","5","1") = "8"
    & skf18("1","9","1","6","5","6","1") = "8"
    & skf18("1","9","1","6","5","7","1") = "8"
    & skf18("1","9","1","6","5","8","1") = "8"
    & skf18("1","9","1","6","5","9","1") = "8"
    & skf18("1","9","1","6","5","10","1") = "9"
    & skf18("1","9","1","6","6","1","1") = "8"
    & skf18("1","9","1","6","6","2","1") = "8"
    & skf18("1","9","1","6","6","3","1") = "8"
    & skf18("1","9","1","6","6","4","1") = "8"
    & skf18("1","9","1","6","6","5","1") = "8"
    & skf18("1","9","1","6","6","6","1") = "8"
    & skf18("1","9","1","6","6","7","1") = "8"
    & skf18("1","9","1","6","6","8","1") = "8"
    & skf18("1","9","1","6","6","9","1") = "8"
    & skf18("1","9","1","6","6","10","1") = "9"
    & skf18("1","9","1","6","7","1","1") = "8"
    & skf18("1","9","1","6","7","2","1") = "8"
    & skf18("1","9","1","6","7","3","1") = "8"
    & skf18("1","9","1","6","7","4","1") = "8"
    & skf18("1","9","1","6","7","5","1") = "8"
    & skf18("1","9","1","6","7","6","1") = "8"
    & skf18("1","9","1","6","7","7","1") = "8"
    & skf18("1","9","1","6","7","8","1") = "8"
    & skf18("1","9","1","6","7","9","1") = "8"
    & skf18("1","9","1","6","7","10","1") = "9"
    & skf18("1","9","1","6","8","1","1") = "8"
    & skf18("1","9","1","6","8","2","1") = "8"
    & skf18("1","9","1","6","8","3","1") = "8"
    & skf18("1","9","1","6","8","4","1") = "8"
    & skf18("1","9","1","6","8","5","1") = "8"
    & skf18("1","9","1","6","8","6","1") = "8"
    & skf18("1","9","1","6","8","7","1") = "8"
    & skf18("1","9","1","6","8","8","1") = "8"
    & skf18("1","9","1","6","8","9","1") = "8"
    & skf18("1","9","1","6","8","10","1") = "9"
    & skf18("1","9","1","6","9","1","1") = "8"
    & skf18("1","9","1","6","9","2","1") = "8"
    & skf18("1","9","1","6","9","3","1") = "8"
    & skf18("1","9","1","6","9","4","1") = "8"
    & skf18("1","9","1","6","9","5","1") = "8"
    & skf18("1","9","1","6","9","6","1") = "8"
    & skf18("1","9","1","6","9","7","1") = "8"
    & skf18("1","9","1","6","9","8","1") = "8"
    & skf18("1","9","1","6","9","9","1") = "8"
    & skf18("1","9","1","6","9","10","1") = "9"
    & skf18("1","9","1","6","10","1","1") = "9"
    & skf18("1","9","1","6","10","2","1") = "9"
    & skf18("1","9","1","6","10","3","1") = "9"
    & skf18("1","9","1","6","10","4","1") = "9"
    & skf18("1","9","1","6","10","5","1") = "9"
    & skf18("1","9","1","6","10","6","1") = "9"
    & skf18("1","9","1","6","10","7","1") = "9"
    & skf18("1","9","1","6","10","8","1") = "9"
    & skf18("1","9","1","6","10","9","1") = "9"
    & skf18("1","9","1","6","10","10","1") = "9"
    & skf18("1","9","1","7","1","1","1") = "8"
    & skf18("1","9","1","7","1","2","1") = "8"
    & skf18("1","9","1","7","1","3","1") = "8"
    & skf18("1","9","1","7","1","4","1") = "8"
    & skf18("1","9","1","7","1","5","1") = "8"
    & skf18("1","9","1","7","1","6","1") = "8"
    & skf18("1","9","1","7","1","7","1") = "8"
    & skf18("1","9","1","7","1","8","1") = "8"
    & skf18("1","9","1","7","1","9","1") = "8"
    & skf18("1","9","1","7","1","10","1") = "9"
    & skf18("1","9","1","7","2","1","1") = "8"
    & skf18("1","9","1","7","2","2","1") = "8"
    & skf18("1","9","1","7","2","3","1") = "8"
    & skf18("1","9","1","7","2","4","1") = "8"
    & skf18("1","9","1","7","2","5","1") = "8"
    & skf18("1","9","1","7","2","6","1") = "8"
    & skf18("1","9","1","7","2","7","1") = "8"
    & skf18("1","9","1","7","2","8","1") = "8"
    & skf18("1","9","1","7","2","9","1") = "8"
    & skf18("1","9","1","7","2","10","1") = "9"
    & skf18("1","9","1","7","3","1","1") = "8"
    & skf18("1","9","1","7","3","2","1") = "8"
    & skf18("1","9","1","7","3","3","1") = "8"
    & skf18("1","9","1","7","3","4","1") = "8"
    & skf18("1","9","1","7","3","5","1") = "8"
    & skf18("1","9","1","7","3","6","1") = "8"
    & skf18("1","9","1","7","3","7","1") = "8"
    & skf18("1","9","1","7","3","8","1") = "8"
    & skf18("1","9","1","7","3","9","1") = "8"
    & skf18("1","9","1","7","3","10","1") = "9"
    & skf18("1","9","1","7","4","1","1") = "8"
    & skf18("1","9","1","7","4","2","1") = "8"
    & skf18("1","9","1","7","4","3","1") = "8"
    & skf18("1","9","1","7","4","4","1") = "8"
    & skf18("1","9","1","7","4","5","1") = "8"
    & skf18("1","9","1","7","4","6","1") = "8"
    & skf18("1","9","1","7","4","7","1") = "8"
    & skf18("1","9","1","7","4","8","1") = "8"
    & skf18("1","9","1","7","4","9","1") = "8"
    & skf18("1","9","1","7","4","10","1") = "9"
    & skf18("1","9","1","7","5","1","1") = "8"
    & skf18("1","9","1","7","5","2","1") = "8"
    & skf18("1","9","1","7","5","3","1") = "8"
    & skf18("1","9","1","7","5","4","1") = "8"
    & skf18("1","9","1","7","5","5","1") = "8"
    & skf18("1","9","1","7","5","6","1") = "8"
    & skf18("1","9","1","7","5","7","1") = "8"
    & skf18("1","9","1","7","5","8","1") = "8"
    & skf18("1","9","1","7","5","9","1") = "8"
    & skf18("1","9","1","7","5","10","1") = "9"
    & skf18("1","9","1","7","6","1","1") = "8"
    & skf18("1","9","1","7","6","2","1") = "8"
    & skf18("1","9","1","7","6","3","1") = "8"
    & skf18("1","9","1","7","6","4","1") = "8"
    & skf18("1","9","1","7","6","5","1") = "8"
    & skf18("1","9","1","7","6","6","1") = "8"
    & skf18("1","9","1","7","6","7","1") = "8"
    & skf18("1","9","1","7","6","8","1") = "8"
    & skf18("1","9","1","7","6","9","1") = "8"
    & skf18("1","9","1","7","6","10","1") = "9"
    & skf18("1","9","1","7","7","1","1") = "8"
    & skf18("1","9","1","7","7","2","1") = "8"
    & skf18("1","9","1","7","7","3","1") = "8"
    & skf18("1","9","1","7","7","4","1") = "8"
    & skf18("1","9","1","7","7","5","1") = "8"
    & skf18("1","9","1","7","7","6","1") = "8"
    & skf18("1","9","1","7","7","7","1") = "8"
    & skf18("1","9","1","7","7","8","1") = "8"
    & skf18("1","9","1","7","7","9","1") = "8"
    & skf18("1","9","1","7","7","10","1") = "9"
    & skf18("1","9","1","7","8","1","1") = "8"
    & skf18("1","9","1","7","8","2","1") = "8"
    & skf18("1","9","1","7","8","3","1") = "8"
    & skf18("1","9","1","7","8","4","1") = "8"
    & skf18("1","9","1","7","8","5","1") = "8"
    & skf18("1","9","1","7","8","6","1") = "8"
    & skf18("1","9","1","7","8","7","1") = "8"
    & skf18("1","9","1","7","8","8","1") = "8"
    & skf18("1","9","1","7","8","9","1") = "8"
    & skf18("1","9","1","7","8","10","1") = "9"
    & skf18("1","9","1","7","9","1","1") = "8"
    & skf18("1","9","1","7","9","2","1") = "8"
    & skf18("1","9","1","7","9","3","1") = "8"
    & skf18("1","9","1","7","9","4","1") = "8"
    & skf18("1","9","1","7","9","5","1") = "8"
    & skf18("1","9","1","7","9","6","1") = "8"
    & skf18("1","9","1","7","9","7","1") = "8"
    & skf18("1","9","1","7","9","8","1") = "8"
    & skf18("1","9","1","7","9","9","1") = "8"
    & skf18("1","9","1","7","9","10","1") = "9"
    & skf18("1","9","1","7","10","1","1") = "9"
    & skf18("1","9","1","7","10","2","1") = "9"
    & skf18("1","9","1","7","10","3","1") = "9"
    & skf18("1","9","1","7","10","4","1") = "9"
    & skf18("1","9","1","7","10","5","1") = "9"
    & skf18("1","9","1","7","10","6","1") = "9"
    & skf18("1","9","1","7","10","7","1") = "9"
    & skf18("1","9","1","7","10","8","1") = "9"
    & skf18("1","9","1","7","10","9","1") = "9"
    & skf18("1","9","1","7","10","10","1") = "9"
    & skf18("1","9","1","8","1","1","1") = "8"
    & skf18("1","9","1","8","1","2","1") = "8"
    & skf18("1","9","1","8","1","3","1") = "8"
    & skf18("1","9","1","8","1","4","1") = "8"
    & skf18("1","9","1","8","1","5","1") = "8"
    & skf18("1","9","1","8","1","6","1") = "8"
    & skf18("1","9","1","8","1","7","1") = "8"
    & skf18("1","9","1","8","1","8","1") = "8"
    & skf18("1","9","1","8","1","9","1") = "8"
    & skf18("1","9","1","8","1","10","1") = "9"
    & skf18("1","9","1","8","2","1","1") = "8"
    & skf18("1","9","1","8","2","2","1") = "8"
    & skf18("1","9","1","8","2","3","1") = "8"
    & skf18("1","9","1","8","2","4","1") = "8"
    & skf18("1","9","1","8","2","5","1") = "8"
    & skf18("1","9","1","8","2","6","1") = "8"
    & skf18("1","9","1","8","2","7","1") = "8"
    & skf18("1","9","1","8","2","8","1") = "8"
    & skf18("1","9","1","8","2","9","1") = "8"
    & skf18("1","9","1","8","2","10","1") = "9"
    & skf18("1","9","1","8","3","1","1") = "8"
    & skf18("1","9","1","8","3","2","1") = "8"
    & skf18("1","9","1","8","3","3","1") = "8"
    & skf18("1","9","1","8","3","4","1") = "8"
    & skf18("1","9","1","8","3","5","1") = "8"
    & skf18("1","9","1","8","3","6","1") = "8"
    & skf18("1","9","1","8","3","7","1") = "8"
    & skf18("1","9","1","8","3","8","1") = "8"
    & skf18("1","9","1","8","3","9","1") = "8"
    & skf18("1","9","1","8","3","10","1") = "9"
    & skf18("1","9","1","8","4","1","1") = "8"
    & skf18("1","9","1","8","4","2","1") = "8"
    & skf18("1","9","1","8","4","3","1") = "8"
    & skf18("1","9","1","8","4","4","1") = "8"
    & skf18("1","9","1","8","4","5","1") = "8"
    & skf18("1","9","1","8","4","6","1") = "8"
    & skf18("1","9","1","8","4","7","1") = "8"
    & skf18("1","9","1","8","4","8","1") = "8"
    & skf18("1","9","1","8","4","9","1") = "8"
    & skf18("1","9","1","8","4","10","1") = "9"
    & skf18("1","9","1","8","5","1","1") = "8"
    & skf18("1","9","1","8","5","2","1") = "8"
    & skf18("1","9","1","8","5","3","1") = "8"
    & skf18("1","9","1","8","5","4","1") = "8"
    & skf18("1","9","1","8","5","5","1") = "8"
    & skf18("1","9","1","8","5","6","1") = "8"
    & skf18("1","9","1","8","5","7","1") = "8"
    & skf18("1","9","1","8","5","8","1") = "8"
    & skf18("1","9","1","8","5","9","1") = "8"
    & skf18("1","9","1","8","5","10","1") = "9"
    & skf18("1","9","1","8","6","1","1") = "8"
    & skf18("1","9","1","8","6","2","1") = "8"
    & skf18("1","9","1","8","6","3","1") = "8"
    & skf18("1","9","1","8","6","4","1") = "8"
    & skf18("1","9","1","8","6","5","1") = "8"
    & skf18("1","9","1","8","6","6","1") = "8"
    & skf18("1","9","1","8","6","7","1") = "8"
    & skf18("1","9","1","8","6","8","1") = "8"
    & skf18("1","9","1","8","6","9","1") = "8"
    & skf18("1","9","1","8","6","10","1") = "9"
    & skf18("1","9","1","8","7","1","1") = "8"
    & skf18("1","9","1","8","7","2","1") = "8"
    & skf18("1","9","1","8","7","3","1") = "8"
    & skf18("1","9","1","8","7","4","1") = "8"
    & skf18("1","9","1","8","7","5","1") = "8"
    & skf18("1","9","1","8","7","6","1") = "8"
    & skf18("1","9","1","8","7","7","1") = "8"
    & skf18("1","9","1","8","7","8","1") = "8"
    & skf18("1","9","1","8","7","9","1") = "8"
    & skf18("1","9","1","8","7","10","1") = "9"
    & skf18("1","9","1","8","8","1","1") = "8"
    & skf18("1","9","1","8","8","2","1") = "8"
    & skf18("1","9","1","8","8","3","1") = "8"
    & skf18("1","9","1","8","8","4","1") = "8"
    & skf18("1","9","1","8","8","5","1") = "8"
    & skf18("1","9","1","8","8","6","1") = "8"
    & skf18("1","9","1","8","8","7","1") = "8"
    & skf18("1","9","1","8","8","8","1") = "8"
    & skf18("1","9","1","8","8","9","1") = "8"
    & skf18("1","9","1","8","8","10","1") = "9"
    & skf18("1","9","1","8","9","1","1") = "8"
    & skf18("1","9","1","8","9","2","1") = "8"
    & skf18("1","9","1","8","9","3","1") = "8"
    & skf18("1","9","1","8","9","4","1") = "8"
    & skf18("1","9","1","8","9","5","1") = "8"
    & skf18("1","9","1","8","9","6","1") = "8"
    & skf18("1","9","1","8","9","7","1") = "8"
    & skf18("1","9","1","8","9","8","1") = "8"
    & skf18("1","9","1","8","9","9","1") = "8"
    & skf18("1","9","1","8","9","10","1") = "9"
    & skf18("1","9","1","8","10","1","1") = "9"
    & skf18("1","9","1","8","10","2","1") = "9"
    & skf18("1","9","1","8","10","3","1") = "9"
    & skf18("1","9","1","8","10","4","1") = "9"
    & skf18("1","9","1","8","10","5","1") = "9"
    & skf18("1","9","1","8","10","6","1") = "9"
    & skf18("1","9","1","8","10","7","1") = "9"
    & skf18("1","9","1","8","10","8","1") = "9"
    & skf18("1","9","1","8","10","9","1") = "9"
    & skf18("1","9","1","8","10","10","1") = "9"
    & skf18("1","9","1","9","1","1","1") = "8"
    & skf18("1","9","1","9","1","2","1") = "8"
    & skf18("1","9","1","9","1","3","1") = "8"
    & skf18("1","9","1","9","1","4","1") = "8"
    & skf18("1","9","1","9","1","5","1") = "8"
    & skf18("1","9","1","9","1","6","1") = "8"
    & skf18("1","9","1","9","1","7","1") = "8"
    & skf18("1","9","1","9","1","8","1") = "8"
    & skf18("1","9","1","9","1","9","1") = "8"
    & skf18("1","9","1","9","1","10","1") = "9"
    & skf18("1","9","1","9","2","1","1") = "8"
    & skf18("1","9","1","9","2","2","1") = "8"
    & skf18("1","9","1","9","2","3","1") = "8"
    & skf18("1","9","1","9","2","4","1") = "8"
    & skf18("1","9","1","9","2","5","1") = "8"
    & skf18("1","9","1","9","2","6","1") = "8"
    & skf18("1","9","1","9","2","7","1") = "8"
    & skf18("1","9","1","9","2","8","1") = "8"
    & skf18("1","9","1","9","2","9","1") = "8"
    & skf18("1","9","1","9","2","10","1") = "9"
    & skf18("1","9","1","9","3","1","1") = "8"
    & skf18("1","9","1","9","3","2","1") = "8"
    & skf18("1","9","1","9","3","3","1") = "8"
    & skf18("1","9","1","9","3","4","1") = "8"
    & skf18("1","9","1","9","3","5","1") = "8"
    & skf18("1","9","1","9","3","6","1") = "8"
    & skf18("1","9","1","9","3","7","1") = "8"
    & skf18("1","9","1","9","3","8","1") = "8"
    & skf18("1","9","1","9","3","9","1") = "8"
    & skf18("1","9","1","9","3","10","1") = "9"
    & skf18("1","9","1","9","4","1","1") = "8"
    & skf18("1","9","1","9","4","2","1") = "8"
    & skf18("1","9","1","9","4","3","1") = "8"
    & skf18("1","9","1","9","4","4","1") = "8"
    & skf18("1","9","1","9","4","5","1") = "8"
    & skf18("1","9","1","9","4","6","1") = "8"
    & skf18("1","9","1","9","4","7","1") = "8"
    & skf18("1","9","1","9","4","8","1") = "8"
    & skf18("1","9","1","9","4","9","1") = "8"
    & skf18("1","9","1","9","4","10","1") = "9"
    & skf18("1","9","1","9","5","1","1") = "8"
    & skf18("1","9","1","9","5","2","1") = "8"
    & skf18("1","9","1","9","5","3","1") = "8"
    & skf18("1","9","1","9","5","4","1") = "8"
    & skf18("1","9","1","9","5","5","1") = "8"
    & skf18("1","9","1","9","5","6","1") = "8"
    & skf18("1","9","1","9","5","7","1") = "8"
    & skf18("1","9","1","9","5","8","1") = "8"
    & skf18("1","9","1","9","5","9","1") = "8"
    & skf18("1","9","1","9","5","10","1") = "9"
    & skf18("1","9","1","9","6","1","1") = "8"
    & skf18("1","9","1","9","6","2","1") = "8"
    & skf18("1","9","1","9","6","3","1") = "8"
    & skf18("1","9","1","9","6","4","1") = "8"
    & skf18("1","9","1","9","6","5","1") = "8"
    & skf18("1","9","1","9","6","6","1") = "8"
    & skf18("1","9","1","9","6","7","1") = "8"
    & skf18("1","9","1","9","6","8","1") = "8"
    & skf18("1","9","1","9","6","9","1") = "8"
    & skf18("1","9","1","9","6","10","1") = "9"
    & skf18("1","9","1","9","7","1","1") = "8"
    & skf18("1","9","1","9","7","2","1") = "8"
    & skf18("1","9","1","9","7","3","1") = "8"
    & skf18("1","9","1","9","7","4","1") = "8"
    & skf18("1","9","1","9","7","5","1") = "8"
    & skf18("1","9","1","9","7","6","1") = "8"
    & skf18("1","9","1","9","7","7","1") = "8"
    & skf18("1","9","1","9","7","8","1") = "8"
    & skf18("1","9","1","9","7","9","1") = "8"
    & skf18("1","9","1","9","7","10","1") = "9"
    & skf18("1","9","1","9","8","1","1") = "8"
    & skf18("1","9","1","9","8","2","1") = "8"
    & skf18("1","9","1","9","8","3","1") = "8"
    & skf18("1","9","1","9","8","4","1") = "8"
    & skf18("1","9","1","9","8","5","1") = "8"
    & skf18("1","9","1","9","8","6","1") = "8"
    & skf18("1","9","1","9","8","7","1") = "8"
    & skf18("1","9","1","9","8","8","1") = "8"
    & skf18("1","9","1","9","8","9","1") = "8"
    & skf18("1","9","1","9","8","10","1") = "9"
    & skf18("1","9","1","9","9","1","1") = "8"
    & skf18("1","9","1","9","9","2","1") = "8"
    & skf18("1","9","1","9","9","3","1") = "8"
    & skf18("1","9","1","9","9","4","1") = "8"
    & skf18("1","9","1","9","9","5","1") = "8"
    & skf18("1","9","1","9","9","6","1") = "8"
    & skf18("1","9","1","9","9","7","1") = "8"
    & skf18("1","9","1","9","9","8","1") = "8"
    & skf18("1","9","1","9","9","9","1") = "8"
    & skf18("1","9","1","9","9","10","1") = "9"
    & skf18("1","9","1","9","10","1","1") = "9"
    & skf18("1","9","1","9","10","2","1") = "9"
    & skf18("1","9","1","9","10","3","1") = "9"
    & skf18("1","9","1","9","10","4","1") = "9"
    & skf18("1","9","1","9","10","5","1") = "9"
    & skf18("1","9","1","9","10","6","1") = "9"
    & skf18("1","9","1","9","10","7","1") = "9"
    & skf18("1","9","1","9","10","8","1") = "9"
    & skf18("1","9","1","9","10","9","1") = "9"
    & skf18("1","9","1","9","10","10","1") = "9"
    & skf18("1","9","1","10","1","1","1") = "9"
    & skf18("1","9","1","10","1","2","1") = "9"
    & skf18("1","9","1","10","1","3","1") = "9"
    & skf18("1","9","1","10","1","4","1") = "9"
    & skf18("1","9","1","10","1","5","1") = "9"
    & skf18("1","9","1","10","1","6","1") = "9"
    & skf18("1","9","1","10","1","7","1") = "9"
    & skf18("1","9","1","10","1","8","1") = "9"
    & skf18("1","9","1","10","1","9","1") = "9"
    & skf18("1","9","1","10","1","10","1") = "9"
    & skf18("1","9","1","10","2","1","1") = "9"
    & skf18("1","9","1","10","2","2","1") = "9"
    & skf18("1","9","1","10","2","3","1") = "9"
    & skf18("1","9","1","10","2","4","1") = "9"
    & skf18("1","9","1","10","2","5","1") = "9"
    & skf18("1","9","1","10","2","6","1") = "9"
    & skf18("1","9","1","10","2","7","1") = "9"
    & skf18("1","9","1","10","2","8","1") = "9"
    & skf18("1","9","1","10","2","9","1") = "9"
    & skf18("1","9","1","10","2","10","1") = "9"
    & skf18("1","9","1","10","3","1","1") = "9"
    & skf18("1","9","1","10","3","2","1") = "9"
    & skf18("1","9","1","10","3","3","1") = "9"
    & skf18("1","9","1","10","3","4","1") = "9"
    & skf18("1","9","1","10","3","5","1") = "9"
    & skf18("1","9","1","10","3","6","1") = "9"
    & skf18("1","9","1","10","3","7","1") = "9"
    & skf18("1","9","1","10","3","8","1") = "9"
    & skf18("1","9","1","10","3","9","1") = "9"
    & skf18("1","9","1","10","3","10","1") = "9"
    & skf18("1","9","1","10","4","1","1") = "9"
    & skf18("1","9","1","10","4","2","1") = "9"
    & skf18("1","9","1","10","4","3","1") = "9"
    & skf18("1","9","1","10","4","4","1") = "9"
    & skf18("1","9","1","10","4","5","1") = "9"
    & skf18("1","9","1","10","4","6","1") = "9"
    & skf18("1","9","1","10","4","7","1") = "9"
    & skf18("1","9","1","10","4","8","1") = "9"
    & skf18("1","9","1","10","4","9","1") = "9"
    & skf18("1","9","1","10","4","10","1") = "9"
    & skf18("1","9","1","10","5","1","1") = "9"
    & skf18("1","9","1","10","5","2","1") = "9"
    & skf18("1","9","1","10","5","3","1") = "9"
    & skf18("1","9","1","10","5","4","1") = "9"
    & skf18("1","9","1","10","5","5","1") = "9"
    & skf18("1","9","1","10","5","6","1") = "9"
    & skf18("1","9","1","10","5","7","1") = "9"
    & skf18("1","9","1","10","5","8","1") = "9"
    & skf18("1","9","1","10","5","9","1") = "9"
    & skf18("1","9","1","10","5","10","1") = "9"
    & skf18("1","9","1","10","6","1","1") = "9"
    & skf18("1","9","1","10","6","2","1") = "9"
    & skf18("1","9","1","10","6","3","1") = "9"
    & skf18("1","9","1","10","6","4","1") = "9"
    & skf18("1","9","1","10","6","5","1") = "9"
    & skf18("1","9","1","10","6","6","1") = "9"
    & skf18("1","9","1","10","6","7","1") = "9"
    & skf18("1","9","1","10","6","8","1") = "9"
    & skf18("1","9","1","10","6","9","1") = "9"
    & skf18("1","9","1","10","6","10","1") = "9"
    & skf18("1","9","1","10","7","1","1") = "9"
    & skf18("1","9","1","10","7","2","1") = "9"
    & skf18("1","9","1","10","7","3","1") = "9"
    & skf18("1","9","1","10","7","4","1") = "9"
    & skf18("1","9","1","10","7","5","1") = "9"
    & skf18("1","9","1","10","7","6","1") = "9"
    & skf18("1","9","1","10","7","7","1") = "9"
    & skf18("1","9","1","10","7","8","1") = "9"
    & skf18("1","9","1","10","7","9","1") = "9"
    & skf18("1","9","1","10","7","10","1") = "9"
    & skf18("1","9","1","10","8","1","1") = "9"
    & skf18("1","9","1","10","8","2","1") = "9"
    & skf18("1","9","1","10","8","3","1") = "9"
    & skf18("1","9","1","10","8","4","1") = "9"
    & skf18("1","9","1","10","8","5","1") = "9"
    & skf18("1","9","1","10","8","6","1") = "9"
    & skf18("1","9","1","10","8","7","1") = "9"
    & skf18("1","9","1","10","8","8","1") = "9"
    & skf18("1","9","1","10","8","9","1") = "9"
    & skf18("1","9","1","10","8","10","1") = "9"
    & skf18("1","9","1","10","9","1","1") = "9"
    & skf18("1","9","1","10","9","2","1") = "9"
    & skf18("1","9","1","10","9","3","1") = "9"
    & skf18("1","9","1","10","9","4","1") = "9"
    & skf18("1","9","1","10","9","5","1") = "9"
    & skf18("1","9","1","10","9","6","1") = "9"
    & skf18("1","9","1","10","9","7","1") = "9"
    & skf18("1","9","1","10","9","8","1") = "9"
    & skf18("1","9","1","10","9","9","1") = "9"
    & skf18("1","9","1","10","9","10","1") = "9"
    & skf18("1","9","1","10","10","1","1") = "9"
    & skf18("1","9","1","10","10","2","1") = "9"
    & skf18("1","9","1","10","10","3","1") = "9"
    & skf18("1","9","1","10","10","4","1") = "9"
    & skf18("1","9","1","10","10","5","1") = "9"
    & skf18("1","9","1","10","10","6","1") = "9"
    & skf18("1","9","1","10","10","7","1") = "9"
    & skf18("1","9","1","10","10","8","1") = "9"
    & skf18("1","9","1","10","10","9","1") = "9"
    & skf18("1","9","1","10","10","10","1") = "9"
    & skf18("1","9","2","1","1","1","1") = "8"
    & skf18("1","9","2","1","1","2","1") = "8"
    & skf18("1","9","2","1","1","3","1") = "8"
    & skf18("1","9","2","1","1","4","1") = "8"
    & skf18("1","9","2","1","1","5","1") = "8"
    & skf18("1","9","2","1","1","6","1") = "8"
    & skf18("1","9","2","1","1","7","1") = "8"
    & skf18("1","9","2","1","1","8","1") = "8"
    & skf18("1","9","2","1","1","9","1") = "8"
    & skf18("1","9","2","1","1","10","1") = "9"
    & skf18("1","9","2","1","2","1","1") = "8"
    & skf18("1","9","2","1","2","2","1") = "8"
    & skf18("1","9","2","1","2","3","1") = "8"
    & skf18("1","9","2","1","2","4","1") = "8"
    & skf18("1","9","2","1","2","5","1") = "8"
    & skf18("1","9","2","1","2","6","1") = "8"
    & skf18("1","9","2","1","2","7","1") = "8"
    & skf18("1","9","2","1","2","8","1") = "8"
    & skf18("1","9","2","1","2","9","1") = "8"
    & skf18("1","9","2","1","2","10","1") = "9"
    & skf18("1","9","2","1","3","1","1") = "8"
    & skf18("1","9","2","1","3","2","1") = "8"
    & skf18("1","9","2","1","3","3","1") = "8"
    & skf18("1","9","2","1","3","4","1") = "8"
    & skf18("1","9","2","1","3","5","1") = "8"
    & skf18("1","9","2","1","3","6","1") = "8"
    & skf18("1","9","2","1","3","7","1") = "8"
    & skf18("1","9","2","1","3","8","1") = "8"
    & skf18("1","9","2","1","3","9","1") = "8"
    & skf18("1","9","2","1","3","10","1") = "9"
    & skf18("1","9","2","1","4","1","1") = "8"
    & skf18("1","9","2","1","4","2","1") = "8"
    & skf18("1","9","2","1","4","3","1") = "8"
    & skf18("1","9","2","1","4","4","1") = "8"
    & skf18("1","9","2","1","4","5","1") = "8"
    & skf18("1","9","2","1","4","6","1") = "8"
    & skf18("1","9","2","1","4","7","1") = "8"
    & skf18("1","9","2","1","4","8","1") = "8"
    & skf18("1","9","2","1","4","9","1") = "8"
    & skf18("1","9","2","1","4","10","1") = "9"
    & skf18("1","9","2","1","5","1","1") = "8"
    & skf18("1","9","2","1","5","2","1") = "8"
    & skf18("1","9","2","1","5","3","1") = "8"
    & skf18("1","9","2","1","5","4","1") = "8"
    & skf18("1","9","2","1","5","5","1") = "8"
    & skf18("1","9","2","1","5","6","1") = "8"
    & skf18("1","9","2","1","5","7","1") = "8"
    & skf18("1","9","2","1","5","8","1") = "8"
    & skf18("1","9","2","1","5","9","1") = "8"
    & skf18("1","9","2","1","5","10","1") = "9"
    & skf18("1","9","2","1","6","1","1") = "8"
    & skf18("1","9","2","1","6","2","1") = "8"
    & skf18("1","9","2","1","6","3","1") = "8"
    & skf18("1","9","2","1","6","4","1") = "8"
    & skf18("1","9","2","1","6","5","1") = "8"
    & skf18("1","9","2","1","6","6","1") = "8"
    & skf18("1","9","2","1","6","7","1") = "8"
    & skf18("1","9","2","1","6","8","1") = "8"
    & skf18("1","9","2","1","6","9","1") = "8"
    & skf18("1","9","2","1","6","10","1") = "9"
    & skf18("1","9","2","1","7","1","1") = "8"
    & skf18("1","9","2","1","7","2","1") = "8"
    & skf18("1","9","2","1","7","3","1") = "8"
    & skf18("1","9","2","1","7","4","1") = "8"
    & skf18("1","9","2","1","7","5","1") = "8"
    & skf18("1","9","2","1","7","6","1") = "8"
    & skf18("1","9","2","1","7","7","1") = "8"
    & skf18("1","9","2","1","7","8","1") = "8"
    & skf18("1","9","2","1","7","9","1") = "8"
    & skf18("1","9","2","1","7","10","1") = "9"
    & skf18("1","9","2","1","8","1","1") = "8"
    & skf18("1","9","2","1","8","2","1") = "8"
    & skf18("1","9","2","1","8","3","1") = "8"
    & skf18("1","9","2","1","8","4","1") = "8"
    & skf18("1","9","2","1","8","5","1") = "8"
    & skf18("1","9","2","1","8","6","1") = "8"
    & skf18("1","9","2","1","8","7","1") = "8"
    & skf18("1","9","2","1","8","8","1") = "8"
    & skf18("1","9","2","1","8","9","1") = "8"
    & skf18("1","9","2","1","8","10","1") = "9"
    & skf18("1","9","2","1","9","1","1") = "8"
    & skf18("1","9","2","1","9","2","1") = "8"
    & skf18("1","9","2","1","9","3","1") = "8"
    & skf18("1","9","2","1","9","4","1") = "8"
    & skf18("1","9","2","1","9","5","1") = "8"
    & skf18("1","9","2","1","9","6","1") = "8"
    & skf18("1","9","2","1","9","7","1") = "8"
    & skf18("1","9","2","1","9","8","1") = "8"
    & skf18("1","9","2","1","9","9","1") = "8"
    & skf18("1","9","2","1","9","10","1") = "9"
    & skf18("1","9","2","1","10","1","1") = "9"
    & skf18("1","9","2","1","10","2","1") = "9"
    & skf18("1","9","2","1","10","3","1") = "9"
    & skf18("1","9","2","1","10","4","1") = "9"
    & skf18("1","9","2","1","10","5","1") = "9"
    & skf18("1","9","2","1","10","6","1") = "9"
    & skf18("1","9","2","1","10","7","1") = "9"
    & skf18("1","9","2","1","10","8","1") = "9"
    & skf18("1","9","2","1","10","9","1") = "9"
    & skf18("1","9","2","1","10","10","1") = "9"
    & skf18("1","9","2","2","1","1","1") = "8"
    & skf18("1","9","2","2","1","2","1") = "8"
    & skf18("1","9","2","2","1","3","1") = "8"
    & skf18("1","9","2","2","1","4","1") = "8"
    & skf18("1","9","2","2","1","5","1") = "8"
    & skf18("1","9","2","2","1","6","1") = "8"
    & skf18("1","9","2","2","1","7","1") = "8"
    & skf18("1","9","2","2","1","8","1") = "8"
    & skf18("1","9","2","2","1","9","1") = "8"
    & skf18("1","9","2","2","1","10","1") = "9"
    & skf18("1","9","2","2","2","1","1") = "8"
    & skf18("1","9","2","2","2","2","1") = "8"
    & skf18("1","9","2","2","2","3","1") = "8"
    & skf18("1","9","2","2","2","4","1") = "8"
    & skf18("1","9","2","2","2","5","1") = "8"
    & skf18("1","9","2","2","2","6","1") = "8"
    & skf18("1","9","2","2","2","7","1") = "8"
    & skf18("1","9","2","2","2","8","1") = "8"
    & skf18("1","9","2","2","2","9","1") = "8"
    & skf18("1","9","2","2","2","10","1") = "9"
    & skf18("1","9","2","2","3","1","1") = "8"
    & skf18("1","9","2","2","3","2","1") = "8"
    & skf18("1","9","2","2","3","3","1") = "8"
    & skf18("1","9","2","2","3","4","1") = "8"
    & skf18("1","9","2","2","3","5","1") = "8"
    & skf18("1","9","2","2","3","6","1") = "8"
    & skf18("1","9","2","2","3","7","1") = "8"
    & skf18("1","9","2","2","3","8","1") = "8"
    & skf18("1","9","2","2","3","9","1") = "8"
    & skf18("1","9","2","2","3","10","1") = "9"
    & skf18("1","9","2","2","4","1","1") = "8"
    & skf18("1","9","2","2","4","2","1") = "8"
    & skf18("1","9","2","2","4","3","1") = "8"
    & skf18("1","9","2","2","4","4","1") = "8"
    & skf18("1","9","2","2","4","5","1") = "8"
    & skf18("1","9","2","2","4","6","1") = "8"
    & skf18("1","9","2","2","4","7","1") = "8"
    & skf18("1","9","2","2","4","8","1") = "8"
    & skf18("1","9","2","2","4","9","1") = "8"
    & skf18("1","9","2","2","4","10","1") = "9"
    & skf18("1","9","2","2","5","1","1") = "8"
    & skf18("1","9","2","2","5","2","1") = "8"
    & skf18("1","9","2","2","5","3","1") = "8"
    & skf18("1","9","2","2","5","4","1") = "8"
    & skf18("1","9","2","2","5","5","1") = "8"
    & skf18("1","9","2","2","5","6","1") = "8"
    & skf18("1","9","2","2","5","7","1") = "8"
    & skf18("1","9","2","2","5","8","1") = "8"
    & skf18("1","9","2","2","5","9","1") = "8"
    & skf18("1","9","2","2","5","10","1") = "9"
    & skf18("1","9","2","2","6","1","1") = "8"
    & skf18("1","9","2","2","6","2","1") = "8"
    & skf18("1","9","2","2","6","3","1") = "8"
    & skf18("1","9","2","2","6","4","1") = "8"
    & skf18("1","9","2","2","6","5","1") = "8"
    & skf18("1","9","2","2","6","6","1") = "8"
    & skf18("1","9","2","2","6","7","1") = "8"
    & skf18("1","9","2","2","6","8","1") = "8"
    & skf18("1","9","2","2","6","9","1") = "8"
    & skf18("1","9","2","2","6","10","1") = "9"
    & skf18("1","9","2","2","7","1","1") = "8"
    & skf18("1","9","2","2","7","2","1") = "8"
    & skf18("1","9","2","2","7","3","1") = "8"
    & skf18("1","9","2","2","7","4","1") = "8"
    & skf18("1","9","2","2","7","5","1") = "8"
    & skf18("1","9","2","2","7","6","1") = "8"
    & skf18("1","9","2","2","7","7","1") = "8"
    & skf18("1","9","2","2","7","8","1") = "8"
    & skf18("1","9","2","2","7","9","1") = "8"
    & skf18("1","9","2","2","7","10","1") = "9"
    & skf18("1","9","2","2","8","1","1") = "8"
    & skf18("1","9","2","2","8","2","1") = "8"
    & skf18("1","9","2","2","8","3","1") = "8"
    & skf18("1","9","2","2","8","4","1") = "8"
    & skf18("1","9","2","2","8","5","1") = "8"
    & skf18("1","9","2","2","8","6","1") = "8"
    & skf18("1","9","2","2","8","7","1") = "8"
    & skf18("1","9","2","2","8","8","1") = "8"
    & skf18("1","9","2","2","8","9","1") = "8"
    & skf18("1","9","2","2","8","10","1") = "9"
    & skf18("1","9","2","2","9","1","1") = "8"
    & skf18("1","9","2","2","9","2","1") = "8"
    & skf18("1","9","2","2","9","3","1") = "8"
    & skf18("1","9","2","2","9","4","1") = "8"
    & skf18("1","9","2","2","9","5","1") = "8"
    & skf18("1","9","2","2","9","6","1") = "8"
    & skf18("1","9","2","2","9","7","1") = "8"
    & skf18("1","9","2","2","9","8","1") = "8"
    & skf18("1","9","2","2","9","9","1") = "8"
    & skf18("1","9","2","2","9","10","1") = "9"
    & skf18("1","9","2","2","10","1","1") = "9"
    & skf18("1","9","2","2","10","2","1") = "9"
    & skf18("1","9","2","2","10","3","1") = "9"
    & skf18("1","9","2","2","10","4","1") = "9"
    & skf18("1","9","2","2","10","5","1") = "9"
    & skf18("1","9","2","2","10","6","1") = "9"
    & skf18("1","9","2","2","10","7","1") = "9"
    & skf18("1","9","2","2","10","8","1") = "9"
    & skf18("1","9","2","2","10","9","1") = "9"
    & skf18("1","9","2","2","10","10","1") = "9"
    & skf18("1","9","2","3","1","1","1") = "8"
    & skf18("1","9","2","3","1","2","1") = "8"
    & skf18("1","9","2","3","1","3","1") = "8"
    & skf18("1","9","2","3","1","4","1") = "8"
    & skf18("1","9","2","3","1","5","1") = "8"
    & skf18("1","9","2","3","1","6","1") = "8"
    & skf18("1","9","2","3","1","7","1") = "8"
    & skf18("1","9","2","3","1","8","1") = "8"
    & skf18("1","9","2","3","1","9","1") = "8"
    & skf18("1","9","2","3","1","10","1") = "9"
    & skf18("1","9","2","3","2","1","1") = "8"
    & skf18("1","9","2","3","2","2","1") = "8"
    & skf18("1","9","2","3","2","3","1") = "8"
    & skf18("1","9","2","3","2","4","1") = "8"
    & skf18("1","9","2","3","2","5","1") = "8"
    & skf18("1","9","2","3","2","6","1") = "8"
    & skf18("1","9","2","3","2","7","1") = "8"
    & skf18("1","9","2","3","2","8","1") = "8"
    & skf18("1","9","2","3","2","9","1") = "8"
    & skf18("1","9","2","3","2","10","1") = "9"
    & skf18("1","9","2","3","3","1","1") = "8"
    & skf18("1","9","2","3","3","2","1") = "8"
    & skf18("1","9","2","3","3","3","1") = "8"
    & skf18("1","9","2","3","3","4","1") = "8"
    & skf18("1","9","2","3","3","5","1") = "8"
    & skf18("1","9","2","3","3","6","1") = "8"
    & skf18("1","9","2","3","3","7","1") = "8"
    & skf18("1","9","2","3","3","8","1") = "8"
    & skf18("1","9","2","3","3","9","1") = "8"
    & skf18("1","9","2","3","3","10","1") = "9"
    & skf18("1","9","2","3","4","1","1") = "8"
    & skf18("1","9","2","3","4","2","1") = "8"
    & skf18("1","9","2","3","4","3","1") = "8"
    & skf18("1","9","2","3","4","4","1") = "8"
    & skf18("1","9","2","3","4","5","1") = "8"
    & skf18("1","9","2","3","4","6","1") = "8"
    & skf18("1","9","2","3","4","7","1") = "8"
    & skf18("1","9","2","3","4","8","1") = "8"
    & skf18("1","9","2","3","4","9","1") = "8"
    & skf18("1","9","2","3","4","10","1") = "9"
    & skf18("1","9","2","3","5","1","1") = "8"
    & skf18("1","9","2","3","5","2","1") = "8"
    & skf18("1","9","2","3","5","3","1") = "8"
    & skf18("1","9","2","3","5","4","1") = "8"
    & skf18("1","9","2","3","5","5","1") = "8"
    & skf18("1","9","2","3","5","6","1") = "8"
    & skf18("1","9","2","3","5","7","1") = "8"
    & skf18("1","9","2","3","5","8","1") = "8"
    & skf18("1","9","2","3","5","9","1") = "8"
    & skf18("1","9","2","3","5","10","1") = "9"
    & skf18("1","9","2","3","6","1","1") = "8"
    & skf18("1","9","2","3","6","2","1") = "8"
    & skf18("1","9","2","3","6","3","1") = "8"
    & skf18("1","9","2","3","6","4","1") = "8"
    & skf18("1","9","2","3","6","5","1") = "8"
    & skf18("1","9","2","3","6","6","1") = "8"
    & skf18("1","9","2","3","6","7","1") = "8"
    & skf18("1","9","2","3","6","8","1") = "8"
    & skf18("1","9","2","3","6","9","1") = "8"
    & skf18("1","9","2","3","6","10","1") = "9"
    & skf18("1","9","2","3","7","1","1") = "8"
    & skf18("1","9","2","3","7","2","1") = "8"
    & skf18("1","9","2","3","7","3","1") = "8"
    & skf18("1","9","2","3","7","4","1") = "8"
    & skf18("1","9","2","3","7","5","1") = "8"
    & skf18("1","9","2","3","7","6","1") = "8"
    & skf18("1","9","2","3","7","7","1") = "8"
    & skf18("1","9","2","3","7","8","1") = "8"
    & skf18("1","9","2","3","7","9","1") = "8"
    & skf18("1","9","2","3","7","10","1") = "9"
    & skf18("1","9","2","3","8","1","1") = "8"
    & skf18("1","9","2","3","8","2","1") = "8"
    & skf18("1","9","2","3","8","3","1") = "8"
    & skf18("1","9","2","3","8","4","1") = "8"
    & skf18("1","9","2","3","8","5","1") = "8"
    & skf18("1","9","2","3","8","6","1") = "8"
    & skf18("1","9","2","3","8","7","1") = "8"
    & skf18("1","9","2","3","8","8","1") = "8"
    & skf18("1","9","2","3","8","9","1") = "8"
    & skf18("1","9","2","3","8","10","1") = "9"
    & skf18("1","9","2","3","9","1","1") = "8"
    & skf18("1","9","2","3","9","2","1") = "8"
    & skf18("1","9","2","3","9","3","1") = "8"
    & skf18("1","9","2","3","9","4","1") = "8"
    & skf18("1","9","2","3","9","5","1") = "8"
    & skf18("1","9","2","3","9","6","1") = "8"
    & skf18("1","9","2","3","9","7","1") = "8"
    & skf18("1","9","2","3","9","8","1") = "8"
    & skf18("1","9","2","3","9","9","1") = "8"
    & skf18("1","9","2","3","9","10","1") = "9"
    & skf18("1","9","2","3","10","1","1") = "9"
    & skf18("1","9","2","3","10","2","1") = "9"
    & skf18("1","9","2","3","10","3","1") = "9"
    & skf18("1","9","2","3","10","4","1") = "9"
    & skf18("1","9","2","3","10","5","1") = "9"
    & skf18("1","9","2","3","10","6","1") = "9"
    & skf18("1","9","2","3","10","7","1") = "9"
    & skf18("1","9","2","3","10","8","1") = "9"
    & skf18("1","9","2","3","10","9","1") = "9"
    & skf18("1","9","2","3","10","10","1") = "9"
    & skf18("1","9","2","4","1","1","1") = "8"
    & skf18("1","9","2","4","1","2","1") = "8"
    & skf18("1","9","2","4","1","3","1") = "8"
    & skf18("1","9","2","4","1","4","1") = "8"
    & skf18("1","9","2","4","1","5","1") = "8"
    & skf18("1","9","2","4","1","6","1") = "8"
    & skf18("1","9","2","4","1","7","1") = "8"
    & skf18("1","9","2","4","1","8","1") = "8"
    & skf18("1","9","2","4","1","9","1") = "8"
    & skf18("1","9","2","4","1","10","1") = "9"
    & skf18("1","9","2","4","2","1","1") = "8"
    & skf18("1","9","2","4","2","2","1") = "8"
    & skf18("1","9","2","4","2","3","1") = "8"
    & skf18("1","9","2","4","2","4","1") = "8"
    & skf18("1","9","2","4","2","5","1") = "8"
    & skf18("1","9","2","4","2","6","1") = "8"
    & skf18("1","9","2","4","2","7","1") = "8"
    & skf18("1","9","2","4","2","8","1") = "8"
    & skf18("1","9","2","4","2","9","1") = "8"
    & skf18("1","9","2","4","2","10","1") = "9"
    & skf18("1","9","2","4","3","1","1") = "8"
    & skf18("1","9","2","4","3","2","1") = "8"
    & skf18("1","9","2","4","3","3","1") = "8"
    & skf18("1","9","2","4","3","4","1") = "8"
    & skf18("1","9","2","4","3","5","1") = "8"
    & skf18("1","9","2","4","3","6","1") = "8"
    & skf18("1","9","2","4","3","7","1") = "8"
    & skf18("1","9","2","4","3","8","1") = "8"
    & skf18("1","9","2","4","3","9","1") = "8"
    & skf18("1","9","2","4","3","10","1") = "9"
    & skf18("1","9","2","4","4","1","1") = "8"
    & skf18("1","9","2","4","4","2","1") = "8"
    & skf18("1","9","2","4","4","3","1") = "8"
    & skf18("1","9","2","4","4","4","1") = "8"
    & skf18("1","9","2","4","4","5","1") = "8"
    & skf18("1","9","2","4","4","6","1") = "8"
    & skf18("1","9","2","4","4","7","1") = "8"
    & skf18("1","9","2","4","4","8","1") = "8"
    & skf18("1","9","2","4","4","9","1") = "8"
    & skf18("1","9","2","4","4","10","1") = "9"
    & skf18("1","9","2","4","5","1","1") = "8"
    & skf18("1","9","2","4","5","2","1") = "8"
    & skf18("1","9","2","4","5","3","1") = "8"
    & skf18("1","9","2","4","5","4","1") = "8"
    & skf18("1","9","2","4","5","5","1") = "8"
    & skf18("1","9","2","4","5","6","1") = "8"
    & skf18("1","9","2","4","5","7","1") = "8"
    & skf18("1","9","2","4","5","8","1") = "8"
    & skf18("1","9","2","4","5","9","1") = "8"
    & skf18("1","9","2","4","5","10","1") = "9"
    & skf18("1","9","2","4","6","1","1") = "8"
    & skf18("1","9","2","4","6","2","1") = "8"
    & skf18("1","9","2","4","6","3","1") = "8"
    & skf18("1","9","2","4","6","4","1") = "8"
    & skf18("1","9","2","4","6","5","1") = "8"
    & skf18("1","9","2","4","6","6","1") = "8"
    & skf18("1","9","2","4","6","7","1") = "8"
    & skf18("1","9","2","4","6","8","1") = "8"
    & skf18("1","9","2","4","6","9","1") = "8"
    & skf18("1","9","2","4","6","10","1") = "9"
    & skf18("1","9","2","4","7","1","1") = "8"
    & skf18("1","9","2","4","7","2","1") = "8"
    & skf18("1","9","2","4","7","3","1") = "8"
    & skf18("1","9","2","4","7","4","1") = "8"
    & skf18("1","9","2","4","7","5","1") = "8"
    & skf18("1","9","2","4","7","6","1") = "8"
    & skf18("1","9","2","4","7","7","1") = "8"
    & skf18("1","9","2","4","7","8","1") = "8"
    & skf18("1","9","2","4","7","9","1") = "8"
    & skf18("1","9","2","4","7","10","1") = "9"
    & skf18("1","9","2","4","8","1","1") = "8"
    & skf18("1","9","2","4","8","2","1") = "8"
    & skf18("1","9","2","4","8","3","1") = "8"
    & skf18("1","9","2","4","8","4","1") = "8"
    & skf18("1","9","2","4","8","5","1") = "8"
    & skf18("1","9","2","4","8","6","1") = "8"
    & skf18("1","9","2","4","8","7","1") = "8"
    & skf18("1","9","2","4","8","8","1") = "8"
    & skf18("1","9","2","4","8","9","1") = "8"
    & skf18("1","9","2","4","8","10","1") = "9"
    & skf18("1","9","2","4","9","1","1") = "8"
    & skf18("1","9","2","4","9","2","1") = "8"
    & skf18("1","9","2","4","9","3","1") = "8"
    & skf18("1","9","2","4","9","4","1") = "8"
    & skf18("1","9","2","4","9","5","1") = "8"
    & skf18("1","9","2","4","9","6","1") = "8"
    & skf18("1","9","2","4","9","7","1") = "8"
    & skf18("1","9","2","4","9","8","1") = "8"
    & skf18("1","9","2","4","9","9","1") = "8"
    & skf18("1","9","2","4","9","10","1") = "9"
    & skf18("1","9","2","4","10","1","1") = "9"
    & skf18("1","9","2","4","10","2","1") = "9"
    & skf18("1","9","2","4","10","3","1") = "9"
    & skf18("1","9","2","4","10","4","1") = "9"
    & skf18("1","9","2","4","10","5","1") = "9"
    & skf18("1","9","2","4","10","6","1") = "9"
    & skf18("1","9","2","4","10","7","1") = "9"
    & skf18("1","9","2","4","10","8","1") = "9"
    & skf18("1","9","2","4","10","9","1") = "9"
    & skf18("1","9","2","4","10","10","1") = "9"
    & skf18("1","9","2","5","1","1","1") = "8"
    & skf18("1","9","2","5","1","2","1") = "8"
    & skf18("1","9","2","5","1","3","1") = "8"
    & skf18("1","9","2","5","1","4","1") = "8"
    & skf18("1","9","2","5","1","5","1") = "8"
    & skf18("1","9","2","5","1","6","1") = "8"
    & skf18("1","9","2","5","1","7","1") = "8"
    & skf18("1","9","2","5","1","8","1") = "8"
    & skf18("1","9","2","5","1","9","1") = "8"
    & skf18("1","9","2","5","1","10","1") = "9"
    & skf18("1","9","2","5","2","1","1") = "8"
    & skf18("1","9","2","5","2","2","1") = "8"
    & skf18("1","9","2","5","2","3","1") = "8"
    & skf18("1","9","2","5","2","4","1") = "8"
    & skf18("1","9","2","5","2","5","1") = "8"
    & skf18("1","9","2","5","2","6","1") = "8"
    & skf18("1","9","2","5","2","7","1") = "8"
    & skf18("1","9","2","5","2","8","1") = "8"
    & skf18("1","9","2","5","2","9","1") = "8"
    & skf18("1","9","2","5","2","10","1") = "9"
    & skf18("1","9","2","5","3","1","1") = "8"
    & skf18("1","9","2","5","3","2","1") = "8"
    & skf18("1","9","2","5","3","3","1") = "8"
    & skf18("1","9","2","5","3","4","1") = "8"
    & skf18("1","9","2","5","3","5","1") = "8"
    & skf18("1","9","2","5","3","6","1") = "8"
    & skf18("1","9","2","5","3","7","1") = "8"
    & skf18("1","9","2","5","3","8","1") = "8"
    & skf18("1","9","2","5","3","9","1") = "8"
    & skf18("1","9","2","5","3","10","1") = "9"
    & skf18("1","9","2","5","4","1","1") = "8"
    & skf18("1","9","2","5","4","2","1") = "8"
    & skf18("1","9","2","5","4","3","1") = "8"
    & skf18("1","9","2","5","4","4","1") = "8"
    & skf18("1","9","2","5","4","5","1") = "8"
    & skf18("1","9","2","5","4","6","1") = "8"
    & skf18("1","9","2","5","4","7","1") = "8"
    & skf18("1","9","2","5","4","8","1") = "8"
    & skf18("1","9","2","5","4","9","1") = "8"
    & skf18("1","9","2","5","4","10","1") = "9"
    & skf18("1","9","2","5","5","1","1") = "8"
    & skf18("1","9","2","5","5","2","1") = "8"
    & skf18("1","9","2","5","5","3","1") = "8"
    & skf18("1","9","2","5","5","4","1") = "8"
    & skf18("1","9","2","5","5","5","1") = "8"
    & skf18("1","9","2","5","5","6","1") = "8"
    & skf18("1","9","2","5","5","7","1") = "8"
    & skf18("1","9","2","5","5","8","1") = "8"
    & skf18("1","9","2","5","5","9","1") = "8"
    & skf18("1","9","2","5","5","10","1") = "9"
    & skf18("1","9","2","5","6","1","1") = "8"
    & skf18("1","9","2","5","6","2","1") = "8"
    & skf18("1","9","2","5","6","3","1") = "8"
    & skf18("1","9","2","5","6","4","1") = "8"
    & skf18("1","9","2","5","6","5","1") = "8"
    & skf18("1","9","2","5","6","6","1") = "8"
    & skf18("1","9","2","5","6","7","1") = "8"
    & skf18("1","9","2","5","6","8","1") = "8"
    & skf18("1","9","2","5","6","9","1") = "8"
    & skf18("1","9","2","5","6","10","1") = "9"
    & skf18("1","9","2","5","7","1","1") = "8"
    & skf18("1","9","2","5","7","2","1") = "8"
    & skf18("1","9","2","5","7","3","1") = "8"
    & skf18("1","9","2","5","7","4","1") = "8"
    & skf18("1","9","2","5","7","5","1") = "8"
    & skf18("1","9","2","5","7","6","1") = "8"
    & skf18("1","9","2","5","7","7","1") = "8"
    & skf18("1","9","2","5","7","8","1") = "8"
    & skf18("1","9","2","5","7","9","1") = "8"
    & skf18("1","9","2","5","7","10","1") = "9"
    & skf18("1","9","2","5","8","1","1") = "8"
    & skf18("1","9","2","5","8","2","1") = "8"
    & skf18("1","9","2","5","8","3","1") = "8"
    & skf18("1","9","2","5","8","4","1") = "8"
    & skf18("1","9","2","5","8","5","1") = "8"
    & skf18("1","9","2","5","8","6","1") = "8"
    & skf18("1","9","2","5","8","7","1") = "8"
    & skf18("1","9","2","5","8","8","1") = "8"
    & skf18("1","9","2","5","8","9","1") = "8"
    & skf18("1","9","2","5","8","10","1") = "9"
    & skf18("1","9","2","5","9","1","1") = "8"
    & skf18("1","9","2","5","9","2","1") = "8"
    & skf18("1","9","2","5","9","3","1") = "8"
    & skf18("1","9","2","5","9","4","1") = "8"
    & skf18("1","9","2","5","9","5","1") = "8"
    & skf18("1","9","2","5","9","6","1") = "8"
    & skf18("1","9","2","5","9","7","1") = "8"
    & skf18("1","9","2","5","9","8","1") = "8"
    & skf18("1","9","2","5","9","9","1") = "8"
    & skf18("1","9","2","5","9","10","1") = "9"
    & skf18("1","9","2","5","10","1","1") = "9"
    & skf18("1","9","2","5","10","2","1") = "9"
    & skf18("1","9","2","5","10","3","1") = "9"
    & skf18("1","9","2","5","10","4","1") = "9"
    & skf18("1","9","2","5","10","5","1") = "9"
    & skf18("1","9","2","5","10","6","1") = "9"
    & skf18("1","9","2","5","10","7","1") = "9"
    & skf18("1","9","2","5","10","8","1") = "9"
    & skf18("1","9","2","5","10","9","1") = "9"
    & skf18("1","9","2","5","10","10","1") = "9"
    & skf18("1","9","2","6","1","1","1") = "8"
    & skf18("1","9","2","6","1","2","1") = "8"
    & skf18("1","9","2","6","1","3","1") = "8"
    & skf18("1","9","2","6","1","4","1") = "8"
    & skf18("1","9","2","6","1","5","1") = "8"
    & skf18("1","9","2","6","1","6","1") = "8"
    & skf18("1","9","2","6","1","7","1") = "8"
    & skf18("1","9","2","6","1","8","1") = "8"
    & skf18("1","9","2","6","1","9","1") = "8"
    & skf18("1","9","2","6","1","10","1") = "9"
    & skf18("1","9","2","6","2","1","1") = "8"
    & skf18("1","9","2","6","2","2","1") = "8"
    & skf18("1","9","2","6","2","3","1") = "8"
    & skf18("1","9","2","6","2","4","1") = "8"
    & skf18("1","9","2","6","2","5","1") = "8"
    & skf18("1","9","2","6","2","6","1") = "8"
    & skf18("1","9","2","6","2","7","1") = "8"
    & skf18("1","9","2","6","2","8","1") = "8"
    & skf18("1","9","2","6","2","9","1") = "8"
    & skf18("1","9","2","6","2","10","1") = "9"
    & skf18("1","9","2","6","3","1","1") = "8"
    & skf18("1","9","2","6","3","2","1") = "8"
    & skf18("1","9","2","6","3","3","1") = "8"
    & skf18("1","9","2","6","3","4","1") = "8"
    & skf18("1","9","2","6","3","5","1") = "8"
    & skf18("1","9","2","6","3","6","1") = "8"
    & skf18("1","9","2","6","3","7","1") = "8"
    & skf18("1","9","2","6","3","8","1") = "8"
    & skf18("1","9","2","6","3","9","1") = "8"
    & skf18("1","9","2","6","3","10","1") = "9"
    & skf18("1","9","2","6","4","1","1") = "8"
    & skf18("1","9","2","6","4","2","1") = "8"
    & skf18("1","9","2","6","4","3","1") = "8"
    & skf18("1","9","2","6","4","4","1") = "8"
    & skf18("1","9","2","6","4","5","1") = "8"
    & skf18("1","9","2","6","4","6","1") = "8"
    & skf18("1","9","2","6","4","7","1") = "8"
    & skf18("1","9","2","6","4","8","1") = "8"
    & skf18("1","9","2","6","4","9","1") = "8"
    & skf18("1","9","2","6","4","10","1") = "9"
    & skf18("1","9","2","6","5","1","1") = "8"
    & skf18("1","9","2","6","5","2","1") = "8"
    & skf18("1","9","2","6","5","3","1") = "8"
    & skf18("1","9","2","6","5","4","1") = "8"
    & skf18("1","9","2","6","5","5","1") = "8"
    & skf18("1","9","2","6","5","6","1") = "8"
    & skf18("1","9","2","6","5","7","1") = "8"
    & skf18("1","9","2","6","5","8","1") = "8"
    & skf18("1","9","2","6","5","9","1") = "8"
    & skf18("1","9","2","6","5","10","1") = "9"
    & skf18("1","9","2","6","6","1","1") = "8"
    & skf18("1","9","2","6","6","2","1") = "8"
    & skf18("1","9","2","6","6","3","1") = "8"
    & skf18("1","9","2","6","6","4","1") = "8"
    & skf18("1","9","2","6","6","5","1") = "8"
    & skf18("1","9","2","6","6","6","1") = "8"
    & skf18("1","9","2","6","6","7","1") = "8"
    & skf18("1","9","2","6","6","8","1") = "8"
    & skf18("1","9","2","6","6","9","1") = "8"
    & skf18("1","9","2","6","6","10","1") = "9"
    & skf18("1","9","2","6","7","1","1") = "8"
    & skf18("1","9","2","6","7","2","1") = "8"
    & skf18("1","9","2","6","7","3","1") = "8"
    & skf18("1","9","2","6","7","4","1") = "8"
    & skf18("1","9","2","6","7","5","1") = "8"
    & skf18("1","9","2","6","7","6","1") = "8"
    & skf18("1","9","2","6","7","7","1") = "8"
    & skf18("1","9","2","6","7","8","1") = "8"
    & skf18("1","9","2","6","7","9","1") = "8"
    & skf18("1","9","2","6","7","10","1") = "9"
    & skf18("1","9","2","6","8","1","1") = "8"
    & skf18("1","9","2","6","8","2","1") = "8"
    & skf18("1","9","2","6","8","3","1") = "8"
    & skf18("1","9","2","6","8","4","1") = "8"
    & skf18("1","9","2","6","8","5","1") = "8"
    & skf18("1","9","2","6","8","6","1") = "8"
    & skf18("1","9","2","6","8","7","1") = "8"
    & skf18("1","9","2","6","8","8","1") = "8"
    & skf18("1","9","2","6","8","9","1") = "8"
    & skf18("1","9","2","6","8","10","1") = "9"
    & skf18("1","9","2","6","9","1","1") = "8"
    & skf18("1","9","2","6","9","2","1") = "8"
    & skf18("1","9","2","6","9","3","1") = "8"
    & skf18("1","9","2","6","9","4","1") = "8"
    & skf18("1","9","2","6","9","5","1") = "8"
    & skf18("1","9","2","6","9","6","1") = "8"
    & skf18("1","9","2","6","9","7","1") = "8"
    & skf18("1","9","2","6","9","8","1") = "8"
    & skf18("1","9","2","6","9","9","1") = "8"
    & skf18("1","9","2","6","9","10","1") = "9"
    & skf18("1","9","2","6","10","1","1") = "9"
    & skf18("1","9","2","6","10","2","1") = "9"
    & skf18("1","9","2","6","10","3","1") = "9"
    & skf18("1","9","2","6","10","4","1") = "9"
    & skf18("1","9","2","6","10","5","1") = "9"
    & skf18("1","9","2","6","10","6","1") = "9"
    & skf18("1","9","2","6","10","7","1") = "9"
    & skf18("1","9","2","6","10","8","1") = "9"
    & skf18("1","9","2","6","10","9","1") = "9"
    & skf18("1","9","2","6","10","10","1") = "9"
    & skf18("1","9","2","7","1","1","1") = "8"
    & skf18("1","9","2","7","1","2","1") = "8"
    & skf18("1","9","2","7","1","3","1") = "8"
    & skf18("1","9","2","7","1","4","1") = "8"
    & skf18("1","9","2","7","1","5","1") = "8"
    & skf18("1","9","2","7","1","6","1") = "8"
    & skf18("1","9","2","7","1","7","1") = "8"
    & skf18("1","9","2","7","1","8","1") = "8"
    & skf18("1","9","2","7","1","9","1") = "8"
    & skf18("1","9","2","7","1","10","1") = "9"
    & skf18("1","9","2","7","2","1","1") = "8"
    & skf18("1","9","2","7","2","2","1") = "8"
    & skf18("1","9","2","7","2","3","1") = "8"
    & skf18("1","9","2","7","2","4","1") = "8"
    & skf18("1","9","2","7","2","5","1") = "8"
    & skf18("1","9","2","7","2","6","1") = "8"
    & skf18("1","9","2","7","2","7","1") = "8"
    & skf18("1","9","2","7","2","8","1") = "8"
    & skf18("1","9","2","7","2","9","1") = "8"
    & skf18("1","9","2","7","2","10","1") = "9"
    & skf18("1","9","2","7","3","1","1") = "8"
    & skf18("1","9","2","7","3","2","1") = "8"
    & skf18("1","9","2","7","3","3","1") = "8"
    & skf18("1","9","2","7","3","4","1") = "8"
    & skf18("1","9","2","7","3","5","1") = "8"
    & skf18("1","9","2","7","3","6","1") = "8"
    & skf18("1","9","2","7","3","7","1") = "8"
    & skf18("1","9","2","7","3","8","1") = "8"
    & skf18("1","9","2","7","3","9","1") = "8"
    & skf18("1","9","2","7","3","10","1") = "9"
    & skf18("1","9","2","7","4","1","1") = "8"
    & skf18("1","9","2","7","4","2","1") = "8"
    & skf18("1","9","2","7","4","3","1") = "8"
    & skf18("1","9","2","7","4","4","1") = "8"
    & skf18("1","9","2","7","4","5","1") = "8"
    & skf18("1","9","2","7","4","6","1") = "8"
    & skf18("1","9","2","7","4","7","1") = "8"
    & skf18("1","9","2","7","4","8","1") = "8"
    & skf18("1","9","2","7","4","9","1") = "8"
    & skf18("1","9","2","7","4","10","1") = "9"
    & skf18("1","9","2","7","5","1","1") = "8"
    & skf18("1","9","2","7","5","2","1") = "8"
    & skf18("1","9","2","7","5","3","1") = "8"
    & skf18("1","9","2","7","5","4","1") = "8"
    & skf18("1","9","2","7","5","5","1") = "8"
    & skf18("1","9","2","7","5","6","1") = "8"
    & skf18("1","9","2","7","5","7","1") = "8"
    & skf18("1","9","2","7","5","8","1") = "8"
    & skf18("1","9","2","7","5","9","1") = "8"
    & skf18("1","9","2","7","5","10","1") = "9"
    & skf18("1","9","2","7","6","1","1") = "8"
    & skf18("1","9","2","7","6","2","1") = "8"
    & skf18("1","9","2","7","6","3","1") = "8"
    & skf18("1","9","2","7","6","4","1") = "8"
    & skf18("1","9","2","7","6","5","1") = "8"
    & skf18("1","9","2","7","6","6","1") = "8"
    & skf18("1","9","2","7","6","7","1") = "8"
    & skf18("1","9","2","7","6","8","1") = "8"
    & skf18("1","9","2","7","6","9","1") = "8"
    & skf18("1","9","2","7","6","10","1") = "9"
    & skf18("1","9","2","7","7","1","1") = "8"
    & skf18("1","9","2","7","7","2","1") = "8"
    & skf18("1","9","2","7","7","3","1") = "8"
    & skf18("1","9","2","7","7","4","1") = "8"
    & skf18("1","9","2","7","7","5","1") = "8"
    & skf18("1","9","2","7","7","6","1") = "8"
    & skf18("1","9","2","7","7","7","1") = "8"
    & skf18("1","9","2","7","7","8","1") = "8"
    & skf18("1","9","2","7","7","9","1") = "8"
    & skf18("1","9","2","7","7","10","1") = "9"
    & skf18("1","9","2","7","8","1","1") = "8"
    & skf18("1","9","2","7","8","2","1") = "8"
    & skf18("1","9","2","7","8","3","1") = "8"
    & skf18("1","9","2","7","8","4","1") = "8"
    & skf18("1","9","2","7","8","5","1") = "8"
    & skf18("1","9","2","7","8","6","1") = "8"
    & skf18("1","9","2","7","8","7","1") = "8"
    & skf18("1","9","2","7","8","8","1") = "8"
    & skf18("1","9","2","7","8","9","1") = "8"
    & skf18("1","9","2","7","8","10","1") = "9"
    & skf18("1","9","2","7","9","1","1") = "8"
    & skf18("1","9","2","7","9","2","1") = "8"
    & skf18("1","9","2","7","9","3","1") = "8"
    & skf18("1","9","2","7","9","4","1") = "8"
    & skf18("1","9","2","7","9","5","1") = "8"
    & skf18("1","9","2","7","9","6","1") = "8"
    & skf18("1","9","2","7","9","7","1") = "8"
    & skf18("1","9","2","7","9","8","1") = "8"
    & skf18("1","9","2","7","9","9","1") = "8"
    & skf18("1","9","2","7","9","10","1") = "9"
    & skf18("1","9","2","7","10","1","1") = "9"
    & skf18("1","9","2","7","10","2","1") = "9"
    & skf18("1","9","2","7","10","3","1") = "9"
    & skf18("1","9","2","7","10","4","1") = "9"
    & skf18("1","9","2","7","10","5","1") = "9"
    & skf18("1","9","2","7","10","6","1") = "9"
    & skf18("1","9","2","7","10","7","1") = "9"
    & skf18("1","9","2","7","10","8","1") = "9"
    & skf18("1","9","2","7","10","9","1") = "9"
    & skf18("1","9","2","7","10","10","1") = "9"
    & skf18("1","9","2","8","1","1","1") = "8"
    & skf18("1","9","2","8","1","2","1") = "8"
    & skf18("1","9","2","8","1","3","1") = "8"
    & skf18("1","9","2","8","1","4","1") = "8"
    & skf18("1","9","2","8","1","5","1") = "8"
    & skf18("1","9","2","8","1","6","1") = "8"
    & skf18("1","9","2","8","1","7","1") = "8"
    & skf18("1","9","2","8","1","8","1") = "8"
    & skf18("1","9","2","8","1","9","1") = "8"
    & skf18("1","9","2","8","1","10","1") = "9"
    & skf18("1","9","2","8","2","1","1") = "8"
    & skf18("1","9","2","8","2","2","1") = "8"
    & skf18("1","9","2","8","2","3","1") = "8"
    & skf18("1","9","2","8","2","4","1") = "8"
    & skf18("1","9","2","8","2","5","1") = "8"
    & skf18("1","9","2","8","2","6","1") = "8"
    & skf18("1","9","2","8","2","7","1") = "8"
    & skf18("1","9","2","8","2","8","1") = "8"
    & skf18("1","9","2","8","2","9","1") = "8"
    & skf18("1","9","2","8","2","10","1") = "9"
    & skf18("1","9","2","8","3","1","1") = "8"
    & skf18("1","9","2","8","3","2","1") = "8"
    & skf18("1","9","2","8","3","3","1") = "8"
    & skf18("1","9","2","8","3","4","1") = "8"
    & skf18("1","9","2","8","3","5","1") = "8"
    & skf18("1","9","2","8","3","6","1") = "8"
    & skf18("1","9","2","8","3","7","1") = "8"
    & skf18("1","9","2","8","3","8","1") = "8"
    & skf18("1","9","2","8","3","9","1") = "8"
    & skf18("1","9","2","8","3","10","1") = "9"
    & skf18("1","9","2","8","4","1","1") = "8"
    & skf18("1","9","2","8","4","2","1") = "8"
    & skf18("1","9","2","8","4","3","1") = "8"
    & skf18("1","9","2","8","4","4","1") = "8"
    & skf18("1","9","2","8","4","5","1") = "8"
    & skf18("1","9","2","8","4","6","1") = "8"
    & skf18("1","9","2","8","4","7","1") = "8"
    & skf18("1","9","2","8","4","8","1") = "8"
    & skf18("1","9","2","8","4","9","1") = "8"
    & skf18("1","9","2","8","4","10","1") = "9"
    & skf18("1","9","2","8","5","1","1") = "8"
    & skf18("1","9","2","8","5","2","1") = "8"
    & skf18("1","9","2","8","5","3","1") = "8"
    & skf18("1","9","2","8","5","4","1") = "8"
    & skf18("1","9","2","8","5","5","1") = "8"
    & skf18("1","9","2","8","5","6","1") = "8"
    & skf18("1","9","2","8","5","7","1") = "8"
    & skf18("1","9","2","8","5","8","1") = "8"
    & skf18("1","9","2","8","5","9","1") = "8"
    & skf18("1","9","2","8","5","10","1") = "9"
    & skf18("1","9","2","8","6","1","1") = "8"
    & skf18("1","9","2","8","6","2","1") = "8"
    & skf18("1","9","2","8","6","3","1") = "8"
    & skf18("1","9","2","8","6","4","1") = "8"
    & skf18("1","9","2","8","6","5","1") = "8"
    & skf18("1","9","2","8","6","6","1") = "8"
    & skf18("1","9","2","8","6","7","1") = "8"
    & skf18("1","9","2","8","6","8","1") = "8"
    & skf18("1","9","2","8","6","9","1") = "8"
    & skf18("1","9","2","8","6","10","1") = "9"
    & skf18("1","9","2","8","7","1","1") = "8"
    & skf18("1","9","2","8","7","2","1") = "8"
    & skf18("1","9","2","8","7","3","1") = "8"
    & skf18("1","9","2","8","7","4","1") = "8"
    & skf18("1","9","2","8","7","5","1") = "8"
    & skf18("1","9","2","8","7","6","1") = "8"
    & skf18("1","9","2","8","7","7","1") = "8"
    & skf18("1","9","2","8","7","8","1") = "8"
    & skf18("1","9","2","8","7","9","1") = "8"
    & skf18("1","9","2","8","7","10","1") = "9"
    & skf18("1","9","2","8","8","1","1") = "8"
    & skf18("1","9","2","8","8","2","1") = "8"
    & skf18("1","9","2","8","8","3","1") = "8"
    & skf18("1","9","2","8","8","4","1") = "8"
    & skf18("1","9","2","8","8","5","1") = "8"
    & skf18("1","9","2","8","8","6","1") = "8"
    & skf18("1","9","2","8","8","7","1") = "8"
    & skf18("1","9","2","8","8","8","1") = "8"
    & skf18("1","9","2","8","8","9","1") = "8"
    & skf18("1","9","2","8","8","10","1") = "9"
    & skf18("1","9","2","8","9","1","1") = "8"
    & skf18("1","9","2","8","9","2","1") = "8"
    & skf18("1","9","2","8","9","3","1") = "8"
    & skf18("1","9","2","8","9","4","1") = "8"
    & skf18("1","9","2","8","9","5","1") = "8"
    & skf18("1","9","2","8","9","6","1") = "8"
    & skf18("1","9","2","8","9","7","1") = "8"
    & skf18("1","9","2","8","9","8","1") = "8"
    & skf18("1","9","2","8","9","9","1") = "8"
    & skf18("1","9","2","8","9","10","1") = "9"
    & skf18("1","9","2","8","10","1","1") = "9"
    & skf18("1","9","2","8","10","2","1") = "9"
    & skf18("1","9","2","8","10","3","1") = "9"
    & skf18("1","9","2","8","10","4","1") = "9"
    & skf18("1","9","2","8","10","5","1") = "9"
    & skf18("1","9","2","8","10","6","1") = "9"
    & skf18("1","9","2","8","10","7","1") = "9"
    & skf18("1","9","2","8","10","8","1") = "9"
    & skf18("1","9","2","8","10","9","1") = "9"
    & skf18("1","9","2","8","10","10","1") = "9"
    & skf18("1","9","2","9","1","1","1") = "8"
    & skf18("1","9","2","9","1","2","1") = "8"
    & skf18("1","9","2","9","1","3","1") = "8"
    & skf18("1","9","2","9","1","4","1") = "8"
    & skf18("1","9","2","9","1","5","1") = "8"
    & skf18("1","9","2","9","1","6","1") = "8"
    & skf18("1","9","2","9","1","7","1") = "8"
    & skf18("1","9","2","9","1","8","1") = "8"
    & skf18("1","9","2","9","1","9","1") = "8"
    & skf18("1","9","2","9","1","10","1") = "9"
    & skf18("1","9","2","9","2","1","1") = "8"
    & skf18("1","9","2","9","2","2","1") = "8"
    & skf18("1","9","2","9","2","3","1") = "8"
    & skf18("1","9","2","9","2","4","1") = "8"
    & skf18("1","9","2","9","2","5","1") = "8"
    & skf18("1","9","2","9","2","6","1") = "8"
    & skf18("1","9","2","9","2","7","1") = "8"
    & skf18("1","9","2","9","2","8","1") = "8"
    & skf18("1","9","2","9","2","9","1") = "8"
    & skf18("1","9","2","9","2","10","1") = "9"
    & skf18("1","9","2","9","3","1","1") = "8"
    & skf18("1","9","2","9","3","2","1") = "8"
    & skf18("1","9","2","9","3","3","1") = "8"
    & skf18("1","9","2","9","3","4","1") = "8"
    & skf18("1","9","2","9","3","5","1") = "8"
    & skf18("1","9","2","9","3","6","1") = "8"
    & skf18("1","9","2","9","3","7","1") = "8"
    & skf18("1","9","2","9","3","8","1") = "8"
    & skf18("1","9","2","9","3","9","1") = "8"
    & skf18("1","9","2","9","3","10","1") = "9"
    & skf18("1","9","2","9","4","1","1") = "8"
    & skf18("1","9","2","9","4","2","1") = "8"
    & skf18("1","9","2","9","4","3","1") = "8"
    & skf18("1","9","2","9","4","4","1") = "8"
    & skf18("1","9","2","9","4","5","1") = "8"
    & skf18("1","9","2","9","4","6","1") = "8"
    & skf18("1","9","2","9","4","7","1") = "8"
    & skf18("1","9","2","9","4","8","1") = "8"
    & skf18("1","9","2","9","4","9","1") = "8"
    & skf18("1","9","2","9","4","10","1") = "9"
    & skf18("1","9","2","9","5","1","1") = "8"
    & skf18("1","9","2","9","5","2","1") = "8"
    & skf18("1","9","2","9","5","3","1") = "8"
    & skf18("1","9","2","9","5","4","1") = "8"
    & skf18("1","9","2","9","5","5","1") = "8"
    & skf18("1","9","2","9","5","6","1") = "8"
    & skf18("1","9","2","9","5","7","1") = "8"
    & skf18("1","9","2","9","5","8","1") = "8"
    & skf18("1","9","2","9","5","9","1") = "8"
    & skf18("1","9","2","9","5","10","1") = "9"
    & skf18("1","9","2","9","6","1","1") = "8"
    & skf18("1","9","2","9","6","2","1") = "8"
    & skf18("1","9","2","9","6","3","1") = "8"
    & skf18("1","9","2","9","6","4","1") = "8"
    & skf18("1","9","2","9","6","5","1") = "8"
    & skf18("1","9","2","9","6","6","1") = "8"
    & skf18("1","9","2","9","6","7","1") = "8"
    & skf18("1","9","2","9","6","8","1") = "8"
    & skf18("1","9","2","9","6","9","1") = "8"
    & skf18("1","9","2","9","6","10","1") = "9"
    & skf18("1","9","2","9","7","1","1") = "8"
    & skf18("1","9","2","9","7","2","1") = "8"
    & skf18("1","9","2","9","7","3","1") = "8"
    & skf18("1","9","2","9","7","4","1") = "8"
    & skf18("1","9","2","9","7","5","1") = "8"
    & skf18("1","9","2","9","7","6","1") = "8"
    & skf18("1","9","2","9","7","7","1") = "8"
    & skf18("1","9","2","9","7","8","1") = "8"
    & skf18("1","9","2","9","7","9","1") = "8"
    & skf18("1","9","2","9","7","10","1") = "9"
    & skf18("1","9","2","9","8","1","1") = "8"
    & skf18("1","9","2","9","8","2","1") = "8"
    & skf18("1","9","2","9","8","3","1") = "8"
    & skf18("1","9","2","9","8","4","1") = "8"
    & skf18("1","9","2","9","8","5","1") = "8"
    & skf18("1","9","2","9","8","6","1") = "8"
    & skf18("1","9","2","9","8","7","1") = "8"
    & skf18("1","9","2","9","8","8","1") = "8"
    & skf18("1","9","2","9","8","9","1") = "8"
    & skf18("1","9","2","9","8","10","1") = "9"
    & skf18("1","9","2","9","9","1","1") = "8"
    & skf18("1","9","2","9","9","2","1") = "8"
    & skf18("1","9","2","9","9","3","1") = "8"
    & skf18("1","9","2","9","9","4","1") = "8"
    & skf18("1","9","2","9","9","5","1") = "8"
    & skf18("1","9","2","9","9","6","1") = "8"
    & skf18("1","9","2","9","9","7","1") = "8"
    & skf18("1","9","2","9","9","8","1") = "8"
    & skf18("1","9","2","9","9","9","1") = "8"
    & skf18("1","9","2","9","9","10","1") = "9"
    & skf18("1","9","2","9","10","1","1") = "9"
    & skf18("1","9","2","9","10","2","1") = "9"
    & skf18("1","9","2","9","10","3","1") = "9"
    & skf18("1","9","2","9","10","4","1") = "9"
    & skf18("1","9","2","9","10","5","1") = "9"
    & skf18("1","9","2","9","10","6","1") = "9"
    & skf18("1","9","2","9","10","7","1") = "9"
    & skf18("1","9","2","9","10","8","1") = "9"
    & skf18("1","9","2","9","10","9","1") = "9"
    & skf18("1","9","2","9","10","10","1") = "9"
    & skf18("1","9","2","10","1","1","1") = "9"
    & skf18("1","9","2","10","1","2","1") = "9"
    & skf18("1","9","2","10","1","3","1") = "9"
    & skf18("1","9","2","10","1","4","1") = "9"
    & skf18("1","9","2","10","1","5","1") = "9"
    & skf18("1","9","2","10","1","6","1") = "9"
    & skf18("1","9","2","10","1","7","1") = "9"
    & skf18("1","9","2","10","1","8","1") = "9"
    & skf18("1","9","2","10","1","9","1") = "9"
    & skf18("1","9","2","10","1","10","1") = "9"
    & skf18("1","9","2","10","2","1","1") = "9"
    & skf18("1","9","2","10","2","2","1") = "9"
    & skf18("1","9","2","10","2","3","1") = "9"
    & skf18("1","9","2","10","2","4","1") = "9"
    & skf18("1","9","2","10","2","5","1") = "9"
    & skf18("1","9","2","10","2","6","1") = "9"
    & skf18("1","9","2","10","2","7","1") = "9"
    & skf18("1","9","2","10","2","8","1") = "9"
    & skf18("1","9","2","10","2","9","1") = "9"
    & skf18("1","9","2","10","2","10","1") = "9"
    & skf18("1","9","2","10","3","1","1") = "9"
    & skf18("1","9","2","10","3","2","1") = "9"
    & skf18("1","9","2","10","3","3","1") = "9"
    & skf18("1","9","2","10","3","4","1") = "9"
    & skf18("1","9","2","10","3","5","1") = "9"
    & skf18("1","9","2","10","3","6","1") = "9"
    & skf18("1","9","2","10","3","7","1") = "9"
    & skf18("1","9","2","10","3","8","1") = "9"
    & skf18("1","9","2","10","3","9","1") = "9"
    & skf18("1","9","2","10","3","10","1") = "9"
    & skf18("1","9","2","10","4","1","1") = "9"
    & skf18("1","9","2","10","4","2","1") = "9"
    & skf18("1","9","2","10","4","3","1") = "9"
    & skf18("1","9","2","10","4","4","1") = "9"
    & skf18("1","9","2","10","4","5","1") = "9"
    & skf18("1","9","2","10","4","6","1") = "9"
    & skf18("1","9","2","10","4","7","1") = "9"
    & skf18("1","9","2","10","4","8","1") = "9"
    & skf18("1","9","2","10","4","9","1") = "9"
    & skf18("1","9","2","10","4","10","1") = "9"
    & skf18("1","9","2","10","5","1","1") = "9"
    & skf18("1","9","2","10","5","2","1") = "9"
    & skf18("1","9","2","10","5","3","1") = "9"
    & skf18("1","9","2","10","5","4","1") = "9"
    & skf18("1","9","2","10","5","5","1") = "9"
    & skf18("1","9","2","10","5","6","1") = "9"
    & skf18("1","9","2","10","5","7","1") = "9"
    & skf18("1","9","2","10","5","8","1") = "9"
    & skf18("1","9","2","10","5","9","1") = "9"
    & skf18("1","9","2","10","5","10","1") = "9"
    & skf18("1","9","2","10","6","1","1") = "9"
    & skf18("1","9","2","10","6","2","1") = "9"
    & skf18("1","9","2","10","6","3","1") = "9"
    & skf18("1","9","2","10","6","4","1") = "9"
    & skf18("1","9","2","10","6","5","1") = "9"
    & skf18("1","9","2","10","6","6","1") = "9"
    & skf18("1","9","2","10","6","7","1") = "9"
    & skf18("1","9","2","10","6","8","1") = "9"
    & skf18("1","9","2","10","6","9","1") = "9"
    & skf18("1","9","2","10","6","10","1") = "9"
    & skf18("1","9","2","10","7","1","1") = "9"
    & skf18("1","9","2","10","7","2","1") = "9"
    & skf18("1","9","2","10","7","3","1") = "9"
    & skf18("1","9","2","10","7","4","1") = "9"
    & skf18("1","9","2","10","7","5","1") = "9"
    & skf18("1","9","2","10","7","6","1") = "9"
    & skf18("1","9","2","10","7","7","1") = "9"
    & skf18("1","9","2","10","7","8","1") = "9"
    & skf18("1","9","2","10","7","9","1") = "9"
    & skf18("1","9","2","10","7","10","1") = "9"
    & skf18("1","9","2","10","8","1","1") = "9"
    & skf18("1","9","2","10","8","2","1") = "9"
    & skf18("1","9","2","10","8","3","1") = "9"
    & skf18("1","9","2","10","8","4","1") = "9"
    & skf18("1","9","2","10","8","5","1") = "9"
    & skf18("1","9","2","10","8","6","1") = "9"
    & skf18("1","9","2","10","8","7","1") = "9"
    & skf18("1","9","2","10","8","8","1") = "9"
    & skf18("1","9","2","10","8","9","1") = "9"
    & skf18("1","9","2","10","8","10","1") = "9"
    & skf18("1","9","2","10","9","1","1") = "9"
    & skf18("1","9","2","10","9","2","1") = "9"
    & skf18("1","9","2","10","9","3","1") = "9"
    & skf18("1","9","2","10","9","4","1") = "9"
    & skf18("1","9","2","10","9","5","1") = "9"
    & skf18("1","9","2","10","9","6","1") = "9"
    & skf18("1","9","2","10","9","7","1") = "9"
    & skf18("1","9","2","10","9","8","1") = "9"
    & skf18("1","9","2","10","9","9","1") = "9"
    & skf18("1","9","2","10","9","10","1") = "9"
    & skf18("1","9","2","10","10","1","1") = "9"
    & skf18("1","9","2","10","10","2","1") = "9"
    & skf18("1","9","2","10","10","3","1") = "9"
    & skf18("1","9","2","10","10","4","1") = "9"
    & skf18("1","9","2","10","10","5","1") = "9"
    & skf18("1","9","2","10","10","6","1") = "9"
    & skf18("1","9","2","10","10","7","1") = "9"
    & skf18("1","9","2","10","10","8","1") = "9"
    & skf18("1","9","2","10","10","9","1") = "9"
    & skf18("1","9","2","10","10","10","1") = "9"
    & skf18("1","9","3","1","1","1","1") = "8"
    & skf18("1","9","3","1","1","2","1") = "8"
    & skf18("1","9","3","1","1","3","1") = "8"
    & skf18("1","9","3","1","1","4","1") = "8"
    & skf18("1","9","3","1","1","5","1") = "8"
    & skf18("1","9","3","1","1","6","1") = "8"
    & skf18("1","9","3","1","1","7","1") = "8"
    & skf18("1","9","3","1","1","8","1") = "8"
    & skf18("1","9","3","1","1","9","1") = "8"
    & skf18("1","9","3","1","1","10","1") = "9"
    & skf18("1","9","3","1","2","1","1") = "8"
    & skf18("1","9","3","1","2","2","1") = "8"
    & skf18("1","9","3","1","2","3","1") = "8"
    & skf18("1","9","3","1","2","4","1") = "8"
    & skf18("1","9","3","1","2","5","1") = "8"
    & skf18("1","9","3","1","2","6","1") = "8"
    & skf18("1","9","3","1","2","7","1") = "8"
    & skf18("1","9","3","1","2","8","1") = "8"
    & skf18("1","9","3","1","2","9","1") = "8"
    & skf18("1","9","3","1","2","10","1") = "9"
    & skf18("1","9","3","1","3","1","1") = "8"
    & skf18("1","9","3","1","3","2","1") = "8"
    & skf18("1","9","3","1","3","3","1") = "8"
    & skf18("1","9","3","1","3","4","1") = "8"
    & skf18("1","9","3","1","3","5","1") = "8"
    & skf18("1","9","3","1","3","6","1") = "8"
    & skf18("1","9","3","1","3","7","1") = "8"
    & skf18("1","9","3","1","3","8","1") = "8"
    & skf18("1","9","3","1","3","9","1") = "8"
    & skf18("1","9","3","1","3","10","1") = "9"
    & skf18("1","9","3","1","4","1","1") = "8"
    & skf18("1","9","3","1","4","2","1") = "8"
    & skf18("1","9","3","1","4","3","1") = "8"
    & skf18("1","9","3","1","4","4","1") = "8"
    & skf18("1","9","3","1","4","5","1") = "8"
    & skf18("1","9","3","1","4","6","1") = "8"
    & skf18("1","9","3","1","4","7","1") = "8"
    & skf18("1","9","3","1","4","8","1") = "8"
    & skf18("1","9","3","1","4","9","1") = "8"
    & skf18("1","9","3","1","4","10","1") = "9"
    & skf18("1","9","3","1","5","1","1") = "8"
    & skf18("1","9","3","1","5","2","1") = "8"
    & skf18("1","9","3","1","5","3","1") = "8"
    & skf18("1","9","3","1","5","4","1") = "8"
    & skf18("1","9","3","1","5","5","1") = "8"
    & skf18("1","9","3","1","5","6","1") = "8"
    & skf18("1","9","3","1","5","7","1") = "8"
    & skf18("1","9","3","1","5","8","1") = "8"
    & skf18("1","9","3","1","5","9","1") = "8"
    & skf18("1","9","3","1","5","10","1") = "9"
    & skf18("1","9","3","1","6","1","1") = "8"
    & skf18("1","9","3","1","6","2","1") = "8"
    & skf18("1","9","3","1","6","3","1") = "8"
    & skf18("1","9","3","1","6","4","1") = "8"
    & skf18("1","9","3","1","6","5","1") = "8"
    & skf18("1","9","3","1","6","6","1") = "8"
    & skf18("1","9","3","1","6","7","1") = "8"
    & skf18("1","9","3","1","6","8","1") = "8"
    & skf18("1","9","3","1","6","9","1") = "8"
    & skf18("1","9","3","1","6","10","1") = "9"
    & skf18("1","9","3","1","7","1","1") = "8"
    & skf18("1","9","3","1","7","2","1") = "8"
    & skf18("1","9","3","1","7","3","1") = "8"
    & skf18("1","9","3","1","7","4","1") = "8"
    & skf18("1","9","3","1","7","5","1") = "8"
    & skf18("1","9","3","1","7","6","1") = "8"
    & skf18("1","9","3","1","7","7","1") = "8"
    & skf18("1","9","3","1","7","8","1") = "8"
    & skf18("1","9","3","1","7","9","1") = "8"
    & skf18("1","9","3","1","7","10","1") = "9"
    & skf18("1","9","3","1","8","1","1") = "8"
    & skf18("1","9","3","1","8","2","1") = "8"
    & skf18("1","9","3","1","8","3","1") = "8"
    & skf18("1","9","3","1","8","4","1") = "8"
    & skf18("1","9","3","1","8","5","1") = "8"
    & skf18("1","9","3","1","8","6","1") = "8"
    & skf18("1","9","3","1","8","7","1") = "8"
    & skf18("1","9","3","1","8","8","1") = "8"
    & skf18("1","9","3","1","8","9","1") = "8"
    & skf18("1","9","3","1","8","10","1") = "9"
    & skf18("1","9","3","1","9","1","1") = "8"
    & skf18("1","9","3","1","9","2","1") = "8"
    & skf18("1","9","3","1","9","3","1") = "8"
    & skf18("1","9","3","1","9","4","1") = "8"
    & skf18("1","9","3","1","9","5","1") = "8"
    & skf18("1","9","3","1","9","6","1") = "8"
    & skf18("1","9","3","1","9","7","1") = "8"
    & skf18("1","9","3","1","9","8","1") = "8"
    & skf18("1","9","3","1","9","9","1") = "8"
    & skf18("1","9","3","1","9","10","1") = "9"
    & skf18("1","9","3","1","10","1","1") = "9"
    & skf18("1","9","3","1","10","2","1") = "9"
    & skf18("1","9","3","1","10","3","1") = "9"
    & skf18("1","9","3","1","10","4","1") = "9"
    & skf18("1","9","3","1","10","5","1") = "9"
    & skf18("1","9","3","1","10","6","1") = "9"
    & skf18("1","9","3","1","10","7","1") = "9"
    & skf18("1","9","3","1","10","8","1") = "9"
    & skf18("1","9","3","1","10","9","1") = "9"
    & skf18("1","9","3","1","10","10","1") = "9"
    & skf18("1","9","3","2","1","1","1") = "8"
    & skf18("1","9","3","2","1","2","1") = "8"
    & skf18("1","9","3","2","1","3","1") = "8"
    & skf18("1","9","3","2","1","4","1") = "8"
    & skf18("1","9","3","2","1","5","1") = "8"
    & skf18("1","9","3","2","1","6","1") = "8"
    & skf18("1","9","3","2","1","7","1") = "8"
    & skf18("1","9","3","2","1","8","1") = "8"
    & skf18("1","9","3","2","1","9","1") = "8"
    & skf18("1","9","3","2","1","10","1") = "9"
    & skf18("1","9","3","2","2","1","1") = "8"
    & skf18("1","9","3","2","2","2","1") = "8"
    & skf18("1","9","3","2","2","3","1") = "8"
    & skf18("1","9","3","2","2","4","1") = "8"
    & skf18("1","9","3","2","2","5","1") = "8"
    & skf18("1","9","3","2","2","6","1") = "8"
    & skf18("1","9","3","2","2","7","1") = "8"
    & skf18("1","9","3","2","2","8","1") = "8"
    & skf18("1","9","3","2","2","9","1") = "8"
    & skf18("1","9","3","2","2","10","1") = "9"
    & skf18("1","9","3","2","3","1","1") = "8"
    & skf18("1","9","3","2","3","2","1") = "8"
    & skf18("1","9","3","2","3","3","1") = "8"
    & skf18("1","9","3","2","3","4","1") = "8"
    & skf18("1","9","3","2","3","5","1") = "8"
    & skf18("1","9","3","2","3","6","1") = "8"
    & skf18("1","9","3","2","3","7","1") = "8"
    & skf18("1","9","3","2","3","8","1") = "8"
    & skf18("1","9","3","2","3","9","1") = "8"
    & skf18("1","9","3","2","3","10","1") = "9"
    & skf18("1","9","3","2","4","1","1") = "8"
    & skf18("1","9","3","2","4","2","1") = "8"
    & skf18("1","9","3","2","4","3","1") = "8"
    & skf18("1","9","3","2","4","4","1") = "8"
    & skf18("1","9","3","2","4","5","1") = "8"
    & skf18("1","9","3","2","4","6","1") = "8"
    & skf18("1","9","3","2","4","7","1") = "8"
    & skf18("1","9","3","2","4","8","1") = "8"
    & skf18("1","9","3","2","4","9","1") = "8"
    & skf18("1","9","3","2","4","10","1") = "9"
    & skf18("1","9","3","2","5","1","1") = "8"
    & skf18("1","9","3","2","5","2","1") = "8"
    & skf18("1","9","3","2","5","3","1") = "8"
    & skf18("1","9","3","2","5","4","1") = "8"
    & skf18("1","9","3","2","5","5","1") = "8"
    & skf18("1","9","3","2","5","6","1") = "8"
    & skf18("1","9","3","2","5","7","1") = "8"
    & skf18("1","9","3","2","5","8","1") = "8"
    & skf18("1","9","3","2","5","9","1") = "8"
    & skf18("1","9","3","2","5","10","1") = "9"
    & skf18("1","9","3","2","6","1","1") = "8"
    & skf18("1","9","3","2","6","2","1") = "8"
    & skf18("1","9","3","2","6","3","1") = "8"
    & skf18("1","9","3","2","6","4","1") = "8"
    & skf18("1","9","3","2","6","5","1") = "8"
    & skf18("1","9","3","2","6","6","1") = "8"
    & skf18("1","9","3","2","6","7","1") = "8"
    & skf18("1","9","3","2","6","8","1") = "8"
    & skf18("1","9","3","2","6","9","1") = "8"
    & skf18("1","9","3","2","6","10","1") = "9"
    & skf18("1","9","3","2","7","1","1") = "8"
    & skf18("1","9","3","2","7","2","1") = "8"
    & skf18("1","9","3","2","7","3","1") = "8"
    & skf18("1","9","3","2","7","4","1") = "8"
    & skf18("1","9","3","2","7","5","1") = "8"
    & skf18("1","9","3","2","7","6","1") = "8"
    & skf18("1","9","3","2","7","7","1") = "8"
    & skf18("1","9","3","2","7","8","1") = "8"
    & skf18("1","9","3","2","7","9","1") = "8"
    & skf18("1","9","3","2","7","10","1") = "9"
    & skf18("1","9","3","2","8","1","1") = "8"
    & skf18("1","9","3","2","8","2","1") = "8"
    & skf18("1","9","3","2","8","3","1") = "8"
    & skf18("1","9","3","2","8","4","1") = "8"
    & skf18("1","9","3","2","8","5","1") = "8"
    & skf18("1","9","3","2","8","6","1") = "8"
    & skf18("1","9","3","2","8","7","1") = "8"
    & skf18("1","9","3","2","8","8","1") = "8"
    & skf18("1","9","3","2","8","9","1") = "8"
    & skf18("1","9","3","2","8","10","1") = "9"
    & skf18("1","9","3","2","9","1","1") = "8"
    & skf18("1","9","3","2","9","2","1") = "8"
    & skf18("1","9","3","2","9","3","1") = "8"
    & skf18("1","9","3","2","9","4","1") = "8"
    & skf18("1","9","3","2","9","5","1") = "8"
    & skf18("1","9","3","2","9","6","1") = "8"
    & skf18("1","9","3","2","9","7","1") = "8"
    & skf18("1","9","3","2","9","8","1") = "8"
    & skf18("1","9","3","2","9","9","1") = "8"
    & skf18("1","9","3","2","9","10","1") = "9"
    & skf18("1","9","3","2","10","1","1") = "9"
    & skf18("1","9","3","2","10","2","1") = "9"
    & skf18("1","9","3","2","10","3","1") = "9"
    & skf18("1","9","3","2","10","4","1") = "9"
    & skf18("1","9","3","2","10","5","1") = "9"
    & skf18("1","9","3","2","10","6","1") = "9"
    & skf18("1","9","3","2","10","7","1") = "9"
    & skf18("1","9","3","2","10","8","1") = "9"
    & skf18("1","9","3","2","10","9","1") = "9"
    & skf18("1","9","3","2","10","10","1") = "9"
    & skf18("1","9","3","3","1","1","1") = "8"
    & skf18("1","9","3","3","1","2","1") = "8"
    & skf18("1","9","3","3","1","3","1") = "8"
    & skf18("1","9","3","3","1","4","1") = "8"
    & skf18("1","9","3","3","1","5","1") = "8"
    & skf18("1","9","3","3","1","6","1") = "8"
    & skf18("1","9","3","3","1","7","1") = "8"
    & skf18("1","9","3","3","1","8","1") = "8"
    & skf18("1","9","3","3","1","9","1") = "8"
    & skf18("1","9","3","3","1","10","1") = "9"
    & skf18("1","9","3","3","2","1","1") = "8"
    & skf18("1","9","3","3","2","2","1") = "8"
    & skf18("1","9","3","3","2","3","1") = "8"
    & skf18("1","9","3","3","2","4","1") = "8"
    & skf18("1","9","3","3","2","5","1") = "8"
    & skf18("1","9","3","3","2","6","1") = "8"
    & skf18("1","9","3","3","2","7","1") = "8"
    & skf18("1","9","3","3","2","8","1") = "8"
    & skf18("1","9","3","3","2","9","1") = "8"
    & skf18("1","9","3","3","2","10","1") = "9"
    & skf18("1","9","3","3","3","1","1") = "8"
    & skf18("1","9","3","3","3","2","1") = "8"
    & skf18("1","9","3","3","3","3","1") = "8"
    & skf18("1","9","3","3","3","4","1") = "8"
    & skf18("1","9","3","3","3","5","1") = "8"
    & skf18("1","9","3","3","3","6","1") = "8"
    & skf18("1","9","3","3","3","7","1") = "8"
    & skf18("1","9","3","3","3","8","1") = "8"
    & skf18("1","9","3","3","3","9","1") = "8"
    & skf18("1","9","3","3","3","10","1") = "9"
    & skf18("1","9","3","3","4","1","1") = "8"
    & skf18("1","9","3","3","4","2","1") = "8"
    & skf18("1","9","3","3","4","3","1") = "8"
    & skf18("1","9","3","3","4","4","1") = "8"
    & skf18("1","9","3","3","4","5","1") = "8"
    & skf18("1","9","3","3","4","6","1") = "8"
    & skf18("1","9","3","3","4","7","1") = "8"
    & skf18("1","9","3","3","4","8","1") = "8"
    & skf18("1","9","3","3","4","9","1") = "8"
    & skf18("1","9","3","3","4","10","1") = "9"
    & skf18("1","9","3","3","5","1","1") = "8"
    & skf18("1","9","3","3","5","2","1") = "8"
    & skf18("1","9","3","3","5","3","1") = "8"
    & skf18("1","9","3","3","5","4","1") = "8"
    & skf18("1","9","3","3","5","5","1") = "8"
    & skf18("1","9","3","3","5","6","1") = "8"
    & skf18("1","9","3","3","5","7","1") = "8"
    & skf18("1","9","3","3","5","8","1") = "8"
    & skf18("1","9","3","3","5","9","1") = "8"
    & skf18("1","9","3","3","5","10","1") = "9"
    & skf18("1","9","3","3","6","1","1") = "8"
    & skf18("1","9","3","3","6","2","1") = "8"
    & skf18("1","9","3","3","6","3","1") = "8"
    & skf18("1","9","3","3","6","4","1") = "8"
    & skf18("1","9","3","3","6","5","1") = "8"
    & skf18("1","9","3","3","6","6","1") = "8"
    & skf18("1","9","3","3","6","7","1") = "8"
    & skf18("1","9","3","3","6","8","1") = "8"
    & skf18("1","9","3","3","6","9","1") = "8"
    & skf18("1","9","3","3","6","10","1") = "9"
    & skf18("1","9","3","3","7","1","1") = "8"
    & skf18("1","9","3","3","7","2","1") = "8"
    & skf18("1","9","3","3","7","3","1") = "8"
    & skf18("1","9","3","3","7","4","1") = "8"
    & skf18("1","9","3","3","7","5","1") = "8"
    & skf18("1","9","3","3","7","6","1") = "8"
    & skf18("1","9","3","3","7","7","1") = "8"
    & skf18("1","9","3","3","7","8","1") = "8"
    & skf18("1","9","3","3","7","9","1") = "8"
    & skf18("1","9","3","3","7","10","1") = "9"
    & skf18("1","9","3","3","8","1","1") = "8"
    & skf18("1","9","3","3","8","2","1") = "8"
    & skf18("1","9","3","3","8","3","1") = "8"
    & skf18("1","9","3","3","8","4","1") = "8"
    & skf18("1","9","3","3","8","5","1") = "8"
    & skf18("1","9","3","3","8","6","1") = "8"
    & skf18("1","9","3","3","8","7","1") = "8"
    & skf18("1","9","3","3","8","8","1") = "8"
    & skf18("1","9","3","3","8","9","1") = "8"
    & skf18("1","9","3","3","8","10","1") = "9"
    & skf18("1","9","3","3","9","1","1") = "8"
    & skf18("1","9","3","3","9","2","1") = "8"
    & skf18("1","9","3","3","9","3","1") = "8"
    & skf18("1","9","3","3","9","4","1") = "8"
    & skf18("1","9","3","3","9","5","1") = "8"
    & skf18("1","9","3","3","9","6","1") = "8"
    & skf18("1","9","3","3","9","7","1") = "8"
    & skf18("1","9","3","3","9","8","1") = "8"
    & skf18("1","9","3","3","9","9","1") = "8"
    & skf18("1","9","3","3","9","10","1") = "9"
    & skf18("1","9","3","3","10","1","1") = "9"
    & skf18("1","9","3","3","10","2","1") = "9"
    & skf18("1","9","3","3","10","3","1") = "9"
    & skf18("1","9","3","3","10","4","1") = "9"
    & skf18("1","9","3","3","10","5","1") = "9"
    & skf18("1","9","3","3","10","6","1") = "9"
    & skf18("1","9","3","3","10","7","1") = "9"
    & skf18("1","9","3","3","10","8","1") = "9"
    & skf18("1","9","3","3","10","9","1") = "9"
    & skf18("1","9","3","3","10","10","1") = "9"
    & skf18("1","9","3","4","1","1","1") = "8"
    & skf18("1","9","3","4","1","2","1") = "8"
    & skf18("1","9","3","4","1","3","1") = "8"
    & skf18("1","9","3","4","1","4","1") = "8"
    & skf18("1","9","3","4","1","5","1") = "8"
    & skf18("1","9","3","4","1","6","1") = "8"
    & skf18("1","9","3","4","1","7","1") = "8"
    & skf18("1","9","3","4","1","8","1") = "8"
    & skf18("1","9","3","4","1","9","1") = "8"
    & skf18("1","9","3","4","1","10","1") = "9"
    & skf18("1","9","3","4","2","1","1") = "8"
    & skf18("1","9","3","4","2","2","1") = "8"
    & skf18("1","9","3","4","2","3","1") = "8"
    & skf18("1","9","3","4","2","4","1") = "8"
    & skf18("1","9","3","4","2","5","1") = "8"
    & skf18("1","9","3","4","2","6","1") = "8"
    & skf18("1","9","3","4","2","7","1") = "8"
    & skf18("1","9","3","4","2","8","1") = "8"
    & skf18("1","9","3","4","2","9","1") = "8"
    & skf18("1","9","3","4","2","10","1") = "9"
    & skf18("1","9","3","4","3","1","1") = "8"
    & skf18("1","9","3","4","3","2","1") = "8"
    & skf18("1","9","3","4","3","3","1") = "8"
    & skf18("1","9","3","4","3","4","1") = "8"
    & skf18("1","9","3","4","3","5","1") = "8"
    & skf18("1","9","3","4","3","6","1") = "8"
    & skf18("1","9","3","4","3","7","1") = "8"
    & skf18("1","9","3","4","3","8","1") = "8"
    & skf18("1","9","3","4","3","9","1") = "8"
    & skf18("1","9","3","4","3","10","1") = "9"
    & skf18("1","9","3","4","4","1","1") = "8"
    & skf18("1","9","3","4","4","2","1") = "8"
    & skf18("1","9","3","4","4","3","1") = "8"
    & skf18("1","9","3","4","4","4","1") = "8"
    & skf18("1","9","3","4","4","5","1") = "8"
    & skf18("1","9","3","4","4","6","1") = "8"
    & skf18("1","9","3","4","4","7","1") = "8"
    & skf18("1","9","3","4","4","8","1") = "8"
    & skf18("1","9","3","4","4","9","1") = "8"
    & skf18("1","9","3","4","4","10","1") = "9"
    & skf18("1","9","3","4","5","1","1") = "8"
    & skf18("1","9","3","4","5","2","1") = "8"
    & skf18("1","9","3","4","5","3","1") = "8"
    & skf18("1","9","3","4","5","4","1") = "8"
    & skf18("1","9","3","4","5","5","1") = "8"
    & skf18("1","9","3","4","5","6","1") = "8"
    & skf18("1","9","3","4","5","7","1") = "8"
    & skf18("1","9","3","4","5","8","1") = "8"
    & skf18("1","9","3","4","5","9","1") = "8"
    & skf18("1","9","3","4","5","10","1") = "9"
    & skf18("1","9","3","4","6","1","1") = "8"
    & skf18("1","9","3","4","6","2","1") = "8"
    & skf18("1","9","3","4","6","3","1") = "8"
    & skf18("1","9","3","4","6","4","1") = "8"
    & skf18("1","9","3","4","6","5","1") = "8"
    & skf18("1","9","3","4","6","6","1") = "8"
    & skf18("1","9","3","4","6","7","1") = "8"
    & skf18("1","9","3","4","6","8","1") = "8"
    & skf18("1","9","3","4","6","9","1") = "8"
    & skf18("1","9","3","4","6","10","1") = "9"
    & skf18("1","9","3","4","7","1","1") = "8"
    & skf18("1","9","3","4","7","2","1") = "8"
    & skf18("1","9","3","4","7","3","1") = "8"
    & skf18("1","9","3","4","7","4","1") = "8"
    & skf18("1","9","3","4","7","5","1") = "8"
    & skf18("1","9","3","4","7","6","1") = "8"
    & skf18("1","9","3","4","7","7","1") = "8"
    & skf18("1","9","3","4","7","8","1") = "8"
    & skf18("1","9","3","4","7","9","1") = "8"
    & skf18("1","9","3","4","7","10","1") = "9"
    & skf18("1","9","3","4","8","1","1") = "8"
    & skf18("1","9","3","4","8","2","1") = "8"
    & skf18("1","9","3","4","8","3","1") = "8"
    & skf18("1","9","3","4","8","4","1") = "8"
    & skf18("1","9","3","4","8","5","1") = "8"
    & skf18("1","9","3","4","8","6","1") = "8"
    & skf18("1","9","3","4","8","7","1") = "8"
    & skf18("1","9","3","4","8","8","1") = "8"
    & skf18("1","9","3","4","8","9","1") = "8"
    & skf18("1","9","3","4","8","10","1") = "9"
    & skf18("1","9","3","4","9","1","1") = "8"
    & skf18("1","9","3","4","9","2","1") = "8"
    & skf18("1","9","3","4","9","3","1") = "8"
    & skf18("1","9","3","4","9","4","1") = "8"
    & skf18("1","9","3","4","9","5","1") = "8"
    & skf18("1","9","3","4","9","6","1") = "8"
    & skf18("1","9","3","4","9","7","1") = "8"
    & skf18("1","9","3","4","9","8","1") = "8"
    & skf18("1","9","3","4","9","9","1") = "8"
    & skf18("1","9","3","4","9","10","1") = "9"
    & skf18("1","9","3","4","10","1","1") = "9"
    & skf18("1","9","3","4","10","2","1") = "9"
    & skf18("1","9","3","4","10","3","1") = "9"
    & skf18("1","9","3","4","10","4","1") = "9"
    & skf18("1","9","3","4","10","5","1") = "9"
    & skf18("1","9","3","4","10","6","1") = "9"
    & skf18("1","9","3","4","10","7","1") = "9"
    & skf18("1","9","3","4","10","8","1") = "9"
    & skf18("1","9","3","4","10","9","1") = "9"
    & skf18("1","9","3","4","10","10","1") = "9"
    & skf18("1","9","3","5","1","1","1") = "8"
    & skf18("1","9","3","5","1","2","1") = "8"
    & skf18("1","9","3","5","1","3","1") = "8"
    & skf18("1","9","3","5","1","4","1") = "8"
    & skf18("1","9","3","5","1","5","1") = "8"
    & skf18("1","9","3","5","1","6","1") = "8"
    & skf18("1","9","3","5","1","7","1") = "8"
    & skf18("1","9","3","5","1","8","1") = "8"
    & skf18("1","9","3","5","1","9","1") = "8"
    & skf18("1","9","3","5","1","10","1") = "9"
    & skf18("1","9","3","5","2","1","1") = "8"
    & skf18("1","9","3","5","2","2","1") = "8"
    & skf18("1","9","3","5","2","3","1") = "8"
    & skf18("1","9","3","5","2","4","1") = "8"
    & skf18("1","9","3","5","2","5","1") = "8"
    & skf18("1","9","3","5","2","6","1") = "8"
    & skf18("1","9","3","5","2","7","1") = "8"
    & skf18("1","9","3","5","2","8","1") = "8"
    & skf18("1","9","3","5","2","9","1") = "8"
    & skf18("1","9","3","5","2","10","1") = "9"
    & skf18("1","9","3","5","3","1","1") = "8"
    & skf18("1","9","3","5","3","2","1") = "8"
    & skf18("1","9","3","5","3","3","1") = "8"
    & skf18("1","9","3","5","3","4","1") = "8"
    & skf18("1","9","3","5","3","5","1") = "8"
    & skf18("1","9","3","5","3","6","1") = "8"
    & skf18("1","9","3","5","3","7","1") = "8"
    & skf18("1","9","3","5","3","8","1") = "8"
    & skf18("1","9","3","5","3","9","1") = "8"
    & skf18("1","9","3","5","3","10","1") = "9"
    & skf18("1","9","3","5","4","1","1") = "8"
    & skf18("1","9","3","5","4","2","1") = "8"
    & skf18("1","9","3","5","4","3","1") = "8"
    & skf18("1","9","3","5","4","4","1") = "8"
    & skf18("1","9","3","5","4","5","1") = "8"
    & skf18("1","9","3","5","4","6","1") = "8"
    & skf18("1","9","3","5","4","7","1") = "8"
    & skf18("1","9","3","5","4","8","1") = "8"
    & skf18("1","9","3","5","4","9","1") = "8"
    & skf18("1","9","3","5","4","10","1") = "9"
    & skf18("1","9","3","5","5","1","1") = "8"
    & skf18("1","9","3","5","5","2","1") = "8"
    & skf18("1","9","3","5","5","3","1") = "8"
    & skf18("1","9","3","5","5","4","1") = "8"
    & skf18("1","9","3","5","5","5","1") = "8"
    & skf18("1","9","3","5","5","6","1") = "8"
    & skf18("1","9","3","5","5","7","1") = "8"
    & skf18("1","9","3","5","5","8","1") = "8"
    & skf18("1","9","3","5","5","9","1") = "8"
    & skf18("1","9","3","5","5","10","1") = "9"
    & skf18("1","9","3","5","6","1","1") = "8"
    & skf18("1","9","3","5","6","2","1") = "8"
    & skf18("1","9","3","5","6","3","1") = "8"
    & skf18("1","9","3","5","6","4","1") = "8"
    & skf18("1","9","3","5","6","5","1") = "8"
    & skf18("1","9","3","5","6","6","1") = "8"
    & skf18("1","9","3","5","6","7","1") = "8"
    & skf18("1","9","3","5","6","8","1") = "8"
    & skf18("1","9","3","5","6","9","1") = "8"
    & skf18("1","9","3","5","6","10","1") = "9"
    & skf18("1","9","3","5","7","1","1") = "8"
    & skf18("1","9","3","5","7","2","1") = "8"
    & skf18("1","9","3","5","7","3","1") = "8"
    & skf18("1","9","3","5","7","4","1") = "8"
    & skf18("1","9","3","5","7","5","1") = "8"
    & skf18("1","9","3","5","7","6","1") = "8"
    & skf18("1","9","3","5","7","7","1") = "8"
    & skf18("1","9","3","5","7","8","1") = "8"
    & skf18("1","9","3","5","7","9","1") = "8"
    & skf18("1","9","3","5","7","10","1") = "9"
    & skf18("1","9","3","5","8","1","1") = "8"
    & skf18("1","9","3","5","8","2","1") = "8"
    & skf18("1","9","3","5","8","3","1") = "8"
    & skf18("1","9","3","5","8","4","1") = "8"
    & skf18("1","9","3","5","8","5","1") = "8"
    & skf18("1","9","3","5","8","6","1") = "8"
    & skf18("1","9","3","5","8","7","1") = "8"
    & skf18("1","9","3","5","8","8","1") = "8"
    & skf18("1","9","3","5","8","9","1") = "8"
    & skf18("1","9","3","5","8","10","1") = "9"
    & skf18("1","9","3","5","9","1","1") = "8"
    & skf18("1","9","3","5","9","2","1") = "8"
    & skf18("1","9","3","5","9","3","1") = "8"
    & skf18("1","9","3","5","9","4","1") = "8"
    & skf18("1","9","3","5","9","5","1") = "8"
    & skf18("1","9","3","5","9","6","1") = "8"
    & skf18("1","9","3","5","9","7","1") = "8"
    & skf18("1","9","3","5","9","8","1") = "8"
    & skf18("1","9","3","5","9","9","1") = "8"
    & skf18("1","9","3","5","9","10","1") = "9"
    & skf18("1","9","3","5","10","1","1") = "9"
    & skf18("1","9","3","5","10","2","1") = "9"
    & skf18("1","9","3","5","10","3","1") = "9"
    & skf18("1","9","3","5","10","4","1") = "9"
    & skf18("1","9","3","5","10","5","1") = "9"
    & skf18("1","9","3","5","10","6","1") = "9"
    & skf18("1","9","3","5","10","7","1") = "9"
    & skf18("1","9","3","5","10","8","1") = "9"
    & skf18("1","9","3","5","10","9","1") = "9"
    & skf18("1","9","3","5","10","10","1") = "9"
    & skf18("1","9","3","6","1","1","1") = "8"
    & skf18("1","9","3","6","1","2","1") = "8"
    & skf18("1","9","3","6","1","3","1") = "8"
    & skf18("1","9","3","6","1","4","1") = "8"
    & skf18("1","9","3","6","1","5","1") = "8"
    & skf18("1","9","3","6","1","6","1") = "8"
    & skf18("1","9","3","6","1","7","1") = "8"
    & skf18("1","9","3","6","1","8","1") = "8"
    & skf18("1","9","3","6","1","9","1") = "8"
    & skf18("1","9","3","6","1","10","1") = "9"
    & skf18("1","9","3","6","2","1","1") = "8"
    & skf18("1","9","3","6","2","2","1") = "8"
    & skf18("1","9","3","6","2","3","1") = "8"
    & skf18("1","9","3","6","2","4","1") = "8"
    & skf18("1","9","3","6","2","5","1") = "8"
    & skf18("1","9","3","6","2","6","1") = "8"
    & skf18("1","9","3","6","2","7","1") = "8"
    & skf18("1","9","3","6","2","8","1") = "8"
    & skf18("1","9","3","6","2","9","1") = "8"
    & skf18("1","9","3","6","2","10","1") = "9"
    & skf18("1","9","3","6","3","1","1") = "8"
    & skf18("1","9","3","6","3","2","1") = "8"
    & skf18("1","9","3","6","3","3","1") = "8"
    & skf18("1","9","3","6","3","4","1") = "8"
    & skf18("1","9","3","6","3","5","1") = "8"
    & skf18("1","9","3","6","3","6","1") = "8"
    & skf18("1","9","3","6","3","7","1") = "8"
    & skf18("1","9","3","6","3","8","1") = "8"
    & skf18("1","9","3","6","3","9","1") = "8"
    & skf18("1","9","3","6","3","10","1") = "9"
    & skf18("1","9","3","6","4","1","1") = "8"
    & skf18("1","9","3","6","4","2","1") = "8"
    & skf18("1","9","3","6","4","3","1") = "8"
    & skf18("1","9","3","6","4","4","1") = "8"
    & skf18("1","9","3","6","4","5","1") = "8"
    & skf18("1","9","3","6","4","6","1") = "8"
    & skf18("1","9","3","6","4","7","1") = "8"
    & skf18("1","9","3","6","4","8","1") = "8"
    & skf18("1","9","3","6","4","9","1") = "8"
    & skf18("1","9","3","6","4","10","1") = "9"
    & skf18("1","9","3","6","5","1","1") = "8"
    & skf18("1","9","3","6","5","2","1") = "8"
    & skf18("1","9","3","6","5","3","1") = "8"
    & skf18("1","9","3","6","5","4","1") = "8"
    & skf18("1","9","3","6","5","5","1") = "8"
    & skf18("1","9","3","6","5","6","1") = "8"
    & skf18("1","9","3","6","5","7","1") = "8"
    & skf18("1","9","3","6","5","8","1") = "8"
    & skf18("1","9","3","6","5","9","1") = "8"
    & skf18("1","9","3","6","5","10","1") = "9"
    & skf18("1","9","3","6","6","1","1") = "8"
    & skf18("1","9","3","6","6","2","1") = "8"
    & skf18("1","9","3","6","6","3","1") = "8"
    & skf18("1","9","3","6","6","4","1") = "8"
    & skf18("1","9","3","6","6","5","1") = "8"
    & skf18("1","9","3","6","6","6","1") = "8"
    & skf18("1","9","3","6","6","7","1") = "8"
    & skf18("1","9","3","6","6","8","1") = "8"
    & skf18("1","9","3","6","6","9","1") = "8"
    & skf18("1","9","3","6","6","10","1") = "9"
    & skf18("1","9","3","6","7","1","1") = "8"
    & skf18("1","9","3","6","7","2","1") = "8"
    & skf18("1","9","3","6","7","3","1") = "8"
    & skf18("1","9","3","6","7","4","1") = "8"
    & skf18("1","9","3","6","7","5","1") = "8"
    & skf18("1","9","3","6","7","6","1") = "8"
    & skf18("1","9","3","6","7","7","1") = "8"
    & skf18("1","9","3","6","7","8","1") = "8"
    & skf18("1","9","3","6","7","9","1") = "8"
    & skf18("1","9","3","6","7","10","1") = "9"
    & skf18("1","9","3","6","8","1","1") = "8"
    & skf18("1","9","3","6","8","2","1") = "8"
    & skf18("1","9","3","6","8","3","1") = "8"
    & skf18("1","9","3","6","8","4","1") = "8"
    & skf18("1","9","3","6","8","5","1") = "8"
    & skf18("1","9","3","6","8","6","1") = "8"
    & skf18("1","9","3","6","8","7","1") = "8"
    & skf18("1","9","3","6","8","8","1") = "8"
    & skf18("1","9","3","6","8","9","1") = "8"
    & skf18("1","9","3","6","8","10","1") = "9"
    & skf18("1","9","3","6","9","1","1") = "8"
    & skf18("1","9","3","6","9","2","1") = "8"
    & skf18("1","9","3","6","9","3","1") = "8"
    & skf18("1","9","3","6","9","4","1") = "8"
    & skf18("1","9","3","6","9","5","1") = "8"
    & skf18("1","9","3","6","9","6","1") = "8"
    & skf18("1","9","3","6","9","7","1") = "8"
    & skf18("1","9","3","6","9","8","1") = "8"
    & skf18("1","9","3","6","9","9","1") = "8"
    & skf18("1","9","3","6","9","10","1") = "9"
    & skf18("1","9","3","6","10","1","1") = "9"
    & skf18("1","9","3","6","10","2","1") = "9"
    & skf18("1","9","3","6","10","3","1") = "9"
    & skf18("1","9","3","6","10","4","1") = "9"
    & skf18("1","9","3","6","10","5","1") = "9"
    & skf18("1","9","3","6","10","6","1") = "9"
    & skf18("1","9","3","6","10","7","1") = "9"
    & skf18("1","9","3","6","10","8","1") = "9"
    & skf18("1","9","3","6","10","9","1") = "9"
    & skf18("1","9","3","6","10","10","1") = "9"
    & skf18("1","9","3","7","1","1","1") = "8"
    & skf18("1","9","3","7","1","2","1") = "8"
    & skf18("1","9","3","7","1","3","1") = "8"
    & skf18("1","9","3","7","1","4","1") = "8"
    & skf18("1","9","3","7","1","5","1") = "8"
    & skf18("1","9","3","7","1","6","1") = "8"
    & skf18("1","9","3","7","1","7","1") = "8"
    & skf18("1","9","3","7","1","8","1") = "8"
    & skf18("1","9","3","7","1","9","1") = "8"
    & skf18("1","9","3","7","1","10","1") = "9"
    & skf18("1","9","3","7","2","1","1") = "8"
    & skf18("1","9","3","7","2","2","1") = "8"
    & skf18("1","9","3","7","2","3","1") = "8"
    & skf18("1","9","3","7","2","4","1") = "8"
    & skf18("1","9","3","7","2","5","1") = "8"
    & skf18("1","9","3","7","2","6","1") = "8"
    & skf18("1","9","3","7","2","7","1") = "8"
    & skf18("1","9","3","7","2","8","1") = "8"
    & skf18("1","9","3","7","2","9","1") = "8"
    & skf18("1","9","3","7","2","10","1") = "9"
    & skf18("1","9","3","7","3","1","1") = "8"
    & skf18("1","9","3","7","3","2","1") = "8"
    & skf18("1","9","3","7","3","3","1") = "8"
    & skf18("1","9","3","7","3","4","1") = "8"
    & skf18("1","9","3","7","3","5","1") = "8"
    & skf18("1","9","3","7","3","6","1") = "8"
    & skf18("1","9","3","7","3","7","1") = "8"
    & skf18("1","9","3","7","3","8","1") = "8"
    & skf18("1","9","3","7","3","9","1") = "8"
    & skf18("1","9","3","7","3","10","1") = "9"
    & skf18("1","9","3","7","4","1","1") = "8"
    & skf18("1","9","3","7","4","2","1") = "8"
    & skf18("1","9","3","7","4","3","1") = "8"
    & skf18("1","9","3","7","4","4","1") = "8"
    & skf18("1","9","3","7","4","5","1") = "8"
    & skf18("1","9","3","7","4","6","1") = "8"
    & skf18("1","9","3","7","4","7","1") = "8"
    & skf18("1","9","3","7","4","8","1") = "8"
    & skf18("1","9","3","7","4","9","1") = "8"
    & skf18("1","9","3","7","4","10","1") = "9"
    & skf18("1","9","3","7","5","1","1") = "8"
    & skf18("1","9","3","7","5","2","1") = "8"
    & skf18("1","9","3","7","5","3","1") = "8"
    & skf18("1","9","3","7","5","4","1") = "8"
    & skf18("1","9","3","7","5","5","1") = "8"
    & skf18("1","9","3","7","5","6","1") = "8"
    & skf18("1","9","3","7","5","7","1") = "8"
    & skf18("1","9","3","7","5","8","1") = "8"
    & skf18("1","9","3","7","5","9","1") = "8"
    & skf18("1","9","3","7","5","10","1") = "9"
    & skf18("1","9","3","7","6","1","1") = "8"
    & skf18("1","9","3","7","6","2","1") = "8"
    & skf18("1","9","3","7","6","3","1") = "8"
    & skf18("1","9","3","7","6","4","1") = "8"
    & skf18("1","9","3","7","6","5","1") = "8"
    & skf18("1","9","3","7","6","6","1") = "8"
    & skf18("1","9","3","7","6","7","1") = "8"
    & skf18("1","9","3","7","6","8","1") = "8"
    & skf18("1","9","3","7","6","9","1") = "8"
    & skf18("1","9","3","7","6","10","1") = "9"
    & skf18("1","9","3","7","7","1","1") = "8"
    & skf18("1","9","3","7","7","2","1") = "8"
    & skf18("1","9","3","7","7","3","1") = "8"
    & skf18("1","9","3","7","7","4","1") = "8"
    & skf18("1","9","3","7","7","5","1") = "8"
    & skf18("1","9","3","7","7","6","1") = "8"
    & skf18("1","9","3","7","7","7","1") = "8"
    & skf18("1","9","3","7","7","8","1") = "8"
    & skf18("1","9","3","7","7","9","1") = "8"
    & skf18("1","9","3","7","7","10","1") = "9"
    & skf18("1","9","3","7","8","1","1") = "8"
    & skf18("1","9","3","7","8","2","1") = "8"
    & skf18("1","9","3","7","8","3","1") = "8"
    & skf18("1","9","3","7","8","4","1") = "8"
    & skf18("1","9","3","7","8","5","1") = "8"
    & skf18("1","9","3","7","8","6","1") = "8"
    & skf18("1","9","3","7","8","7","1") = "8"
    & skf18("1","9","3","7","8","8","1") = "8"
    & skf18("1","9","3","7","8","9","1") = "8"
    & skf18("1","9","3","7","8","10","1") = "9"
    & skf18("1","9","3","7","9","1","1") = "8"
    & skf18("1","9","3","7","9","2","1") = "8"
    & skf18("1","9","3","7","9","3","1") = "8"
    & skf18("1","9","3","7","9","4","1") = "8"
    & skf18("1","9","3","7","9","5","1") = "8"
    & skf18("1","9","3","7","9","6","1") = "8"
    & skf18("1","9","3","7","9","7","1") = "8"
    & skf18("1","9","3","7","9","8","1") = "8"
    & skf18("1","9","3","7","9","9","1") = "8"
    & skf18("1","9","3","7","9","10","1") = "9"
    & skf18("1","9","3","7","10","1","1") = "9"
    & skf18("1","9","3","7","10","2","1") = "9"
    & skf18("1","9","3","7","10","3","1") = "9"
    & skf18("1","9","3","7","10","4","1") = "9"
    & skf18("1","9","3","7","10","5","1") = "9"
    & skf18("1","9","3","7","10","6","1") = "9"
    & skf18("1","9","3","7","10","7","1") = "9"
    & skf18("1","9","3","7","10","8","1") = "9"
    & skf18("1","9","3","7","10","9","1") = "9"
    & skf18("1","9","3","7","10","10","1") = "9"
    & skf18("1","9","3","8","1","1","1") = "8"
    & skf18("1","9","3","8","1","2","1") = "8"
    & skf18("1","9","3","8","1","3","1") = "8"
    & skf18("1","9","3","8","1","4","1") = "8"
    & skf18("1","9","3","8","1","5","1") = "8"
    & skf18("1","9","3","8","1","6","1") = "8"
    & skf18("1","9","3","8","1","7","1") = "8"
    & skf18("1","9","3","8","1","8","1") = "8"
    & skf18("1","9","3","8","1","9","1") = "8"
    & skf18("1","9","3","8","1","10","1") = "9"
    & skf18("1","9","3","8","2","1","1") = "8"
    & skf18("1","9","3","8","2","2","1") = "8"
    & skf18("1","9","3","8","2","3","1") = "8"
    & skf18("1","9","3","8","2","4","1") = "8"
    & skf18("1","9","3","8","2","5","1") = "8"
    & skf18("1","9","3","8","2","6","1") = "8"
    & skf18("1","9","3","8","2","7","1") = "8"
    & skf18("1","9","3","8","2","8","1") = "8"
    & skf18("1","9","3","8","2","9","1") = "8"
    & skf18("1","9","3","8","2","10","1") = "9"
    & skf18("1","9","3","8","3","1","1") = "8"
    & skf18("1","9","3","8","3","2","1") = "8"
    & skf18("1","9","3","8","3","3","1") = "8"
    & skf18("1","9","3","8","3","4","1") = "8"
    & skf18("1","9","3","8","3","5","1") = "8"
    & skf18("1","9","3","8","3","6","1") = "8"
    & skf18("1","9","3","8","3","7","1") = "8"
    & skf18("1","9","3","8","3","8","1") = "8"
    & skf18("1","9","3","8","3","9","1") = "8"
    & skf18("1","9","3","8","3","10","1") = "9"
    & skf18("1","9","3","8","4","1","1") = "8"
    & skf18("1","9","3","8","4","2","1") = "8"
    & skf18("1","9","3","8","4","3","1") = "8"
    & skf18("1","9","3","8","4","4","1") = "8"
    & skf18("1","9","3","8","4","5","1") = "8"
    & skf18("1","9","3","8","4","6","1") = "8"
    & skf18("1","9","3","8","4","7","1") = "8"
    & skf18("1","9","3","8","4","8","1") = "8"
    & skf18("1","9","3","8","4","9","1") = "8"
    & skf18("1","9","3","8","4","10","1") = "9"
    & skf18("1","9","3","8","5","1","1") = "8"
    & skf18("1","9","3","8","5","2","1") = "8"
    & skf18("1","9","3","8","5","3","1") = "8"
    & skf18("1","9","3","8","5","4","1") = "8"
    & skf18("1","9","3","8","5","5","1") = "8"
    & skf18("1","9","3","8","5","6","1") = "8"
    & skf18("1","9","3","8","5","7","1") = "8"
    & skf18("1","9","3","8","5","8","1") = "8"
    & skf18("1","9","3","8","5","9","1") = "8"
    & skf18("1","9","3","8","5","10","1") = "9"
    & skf18("1","9","3","8","6","1","1") = "8"
    & skf18("1","9","3","8","6","2","1") = "8"
    & skf18("1","9","3","8","6","3","1") = "8"
    & skf18("1","9","3","8","6","4","1") = "8"
    & skf18("1","9","3","8","6","5","1") = "8"
    & skf18("1","9","3","8","6","6","1") = "8"
    & skf18("1","9","3","8","6","7","1") = "8"
    & skf18("1","9","3","8","6","8","1") = "8"
    & skf18("1","9","3","8","6","9","1") = "8"
    & skf18("1","9","3","8","6","10","1") = "9"
    & skf18("1","9","3","8","7","1","1") = "8"
    & skf18("1","9","3","8","7","2","1") = "8"
    & skf18("1","9","3","8","7","3","1") = "8"
    & skf18("1","9","3","8","7","4","1") = "8"
    & skf18("1","9","3","8","7","5","1") = "8"
    & skf18("1","9","3","8","7","6","1") = "8"
    & skf18("1","9","3","8","7","7","1") = "8"
    & skf18("1","9","3","8","7","8","1") = "8"
    & skf18("1","9","3","8","7","9","1") = "8"
    & skf18("1","9","3","8","7","10","1") = "9"
    & skf18("1","9","3","8","8","1","1") = "8"
    & skf18("1","9","3","8","8","2","1") = "8"
    & skf18("1","9","3","8","8","3","1") = "8"
    & skf18("1","9","3","8","8","4","1") = "8"
    & skf18("1","9","3","8","8","5","1") = "8"
    & skf18("1","9","3","8","8","6","1") = "8"
    & skf18("1","9","3","8","8","7","1") = "8"
    & skf18("1","9","3","8","8","8","1") = "8"
    & skf18("1","9","3","8","8","9","1") = "8"
    & skf18("1","9","3","8","8","10","1") = "9"
    & skf18("1","9","3","8","9","1","1") = "8"
    & skf18("1","9","3","8","9","2","1") = "8"
    & skf18("1","9","3","8","9","3","1") = "8"
    & skf18("1","9","3","8","9","4","1") = "8"
    & skf18("1","9","3","8","9","5","1") = "8"
    & skf18("1","9","3","8","9","6","1") = "8"
    & skf18("1","9","3","8","9","7","1") = "8"
    & skf18("1","9","3","8","9","8","1") = "8"
    & skf18("1","9","3","8","9","9","1") = "8"
    & skf18("1","9","3","8","9","10","1") = "9"
    & skf18("1","9","3","8","10","1","1") = "9"
    & skf18("1","9","3","8","10","2","1") = "9"
    & skf18("1","9","3","8","10","3","1") = "9"
    & skf18("1","9","3","8","10","4","1") = "9"
    & skf18("1","9","3","8","10","5","1") = "9"
    & skf18("1","9","3","8","10","6","1") = "9"
    & skf18("1","9","3","8","10","7","1") = "9"
    & skf18("1","9","3","8","10","8","1") = "9"
    & skf18("1","9","3","8","10","9","1") = "9"
    & skf18("1","9","3","8","10","10","1") = "9"
    & skf18("1","9","3","9","1","1","1") = "8"
    & skf18("1","9","3","9","1","2","1") = "8"
    & skf18("1","9","3","9","1","3","1") = "8"
    & skf18("1","9","3","9","1","4","1") = "8"
    & skf18("1","9","3","9","1","5","1") = "8"
    & skf18("1","9","3","9","1","6","1") = "8"
    & skf18("1","9","3","9","1","7","1") = "8"
    & skf18("1","9","3","9","1","8","1") = "8"
    & skf18("1","9","3","9","1","9","1") = "8"
    & skf18("1","9","3","9","1","10","1") = "9"
    & skf18("1","9","3","9","2","1","1") = "8"
    & skf18("1","9","3","9","2","2","1") = "8"
    & skf18("1","9","3","9","2","3","1") = "8"
    & skf18("1","9","3","9","2","4","1") = "8"
    & skf18("1","9","3","9","2","5","1") = "8"
    & skf18("1","9","3","9","2","6","1") = "8"
    & skf18("1","9","3","9","2","7","1") = "8"
    & skf18("1","9","3","9","2","8","1") = "8"
    & skf18("1","9","3","9","2","9","1") = "8"
    & skf18("1","9","3","9","2","10","1") = "9"
    & skf18("1","9","3","9","3","1","1") = "8"
    & skf18("1","9","3","9","3","2","1") = "8"
    & skf18("1","9","3","9","3","3","1") = "8"
    & skf18("1","9","3","9","3","4","1") = "8"
    & skf18("1","9","3","9","3","5","1") = "8"
    & skf18("1","9","3","9","3","6","1") = "8"
    & skf18("1","9","3","9","3","7","1") = "8"
    & skf18("1","9","3","9","3","8","1") = "8"
    & skf18("1","9","3","9","3","9","1") = "8"
    & skf18("1","9","3","9","3","10","1") = "9"
    & skf18("1","9","3","9","4","1","1") = "8"
    & skf18("1","9","3","9","4","2","1") = "8"
    & skf18("1","9","3","9","4","3","1") = "8"
    & skf18("1","9","3","9","4","4","1") = "8"
    & skf18("1","9","3","9","4","5","1") = "8"
    & skf18("1","9","3","9","4","6","1") = "8"
    & skf18("1","9","3","9","4","7","1") = "8"
    & skf18("1","9","3","9","4","8","1") = "8"
    & skf18("1","9","3","9","4","9","1") = "8"
    & skf18("1","9","3","9","4","10","1") = "9"
    & skf18("1","9","3","9","5","1","1") = "8"
    & skf18("1","9","3","9","5","2","1") = "8"
    & skf18("1","9","3","9","5","3","1") = "8"
    & skf18("1","9","3","9","5","4","1") = "8"
    & skf18("1","9","3","9","5","5","1") = "8"
    & skf18("1","9","3","9","5","6","1") = "8"
    & skf18("1","9","3","9","5","7","1") = "8"
    & skf18("1","9","3","9","5","8","1") = "8"
    & skf18("1","9","3","9","5","9","1") = "8"
    & skf18("1","9","3","9","5","10","1") = "9"
    & skf18("1","9","3","9","6","1","1") = "8"
    & skf18("1","9","3","9","6","2","1") = "8"
    & skf18("1","9","3","9","6","3","1") = "8"
    & skf18("1","9","3","9","6","4","1") = "8"
    & skf18("1","9","3","9","6","5","1") = "8"
    & skf18("1","9","3","9","6","6","1") = "8"
    & skf18("1","9","3","9","6","7","1") = "8"
    & skf18("1","9","3","9","6","8","1") = "8"
    & skf18("1","9","3","9","6","9","1") = "8"
    & skf18("1","9","3","9","6","10","1") = "9"
    & skf18("1","9","3","9","7","1","1") = "8"
    & skf18("1","9","3","9","7","2","1") = "8"
    & skf18("1","9","3","9","7","3","1") = "8"
    & skf18("1","9","3","9","7","4","1") = "8"
    & skf18("1","9","3","9","7","5","1") = "8"
    & skf18("1","9","3","9","7","6","1") = "8"
    & skf18("1","9","3","9","7","7","1") = "8"
    & skf18("1","9","3","9","7","8","1") = "8"
    & skf18("1","9","3","9","7","9","1") = "8"
    & skf18("1","9","3","9","7","10","1") = "9"
    & skf18("1","9","3","9","8","1","1") = "8"
    & skf18("1","9","3","9","8","2","1") = "8"
    & skf18("1","9","3","9","8","3","1") = "8"
    & skf18("1","9","3","9","8","4","1") = "8"
    & skf18("1","9","3","9","8","5","1") = "8"
    & skf18("1","9","3","9","8","6","1") = "8"
    & skf18("1","9","3","9","8","7","1") = "8"
    & skf18("1","9","3","9","8","8","1") = "8"
    & skf18("1","9","3","9","8","9","1") = "8"
    & skf18("1","9","3","9","8","10","1") = "9"
    & skf18("1","9","3","9","9","1","1") = "8"
    & skf18("1","9","3","9","9","2","1") = "8"
    & skf18("1","9","3","9","9","3","1") = "8"
    & skf18("1","9","3","9","9","4","1") = "8"
    & skf18("1","9","3","9","9","5","1") = "8"
    & skf18("1","9","3","9","9","6","1") = "8"
    & skf18("1","9","3","9","9","7","1") = "8"
    & skf18("1","9","3","9","9","8","1") = "8"
    & skf18("1","9","3","9","9","9","1") = "8"
    & skf18("1","9","3","9","9","10","1") = "9"
    & skf18("1","9","3","9","10","1","1") = "9"
    & skf18("1","9","3","9","10","2","1") = "9"
    & skf18("1","9","3","9","10","3","1") = "9"
    & skf18("1","9","3","9","10","4","1") = "9"
    & skf18("1","9","3","9","10","5","1") = "9"
    & skf18("1","9","3","9","10","6","1") = "9"
    & skf18("1","9","3","9","10","7","1") = "9"
    & skf18("1","9","3","9","10","8","1") = "9"
    & skf18("1","9","3","9","10","9","1") = "9"
    & skf18("1","9","3","9","10","10","1") = "9"
    & skf18("1","9","3","10","1","1","1") = "9"
    & skf18("1","9","3","10","1","2","1") = "9"
    & skf18("1","9","3","10","1","3","1") = "9"
    & skf18("1","9","3","10","1","4","1") = "9"
    & skf18("1","9","3","10","1","5","1") = "9"
    & skf18("1","9","3","10","1","6","1") = "9"
    & skf18("1","9","3","10","1","7","1") = "9"
    & skf18("1","9","3","10","1","8","1") = "9"
    & skf18("1","9","3","10","1","9","1") = "9"
    & skf18("1","9","3","10","1","10","1") = "9"
    & skf18("1","9","3","10","2","1","1") = "9"
    & skf18("1","9","3","10","2","2","1") = "9"
    & skf18("1","9","3","10","2","3","1") = "9"
    & skf18("1","9","3","10","2","4","1") = "9"
    & skf18("1","9","3","10","2","5","1") = "9"
    & skf18("1","9","3","10","2","6","1") = "9"
    & skf18("1","9","3","10","2","7","1") = "9"
    & skf18("1","9","3","10","2","8","1") = "9"
    & skf18("1","9","3","10","2","9","1") = "9"
    & skf18("1","9","3","10","2","10","1") = "9"
    & skf18("1","9","3","10","3","1","1") = "9"
    & skf18("1","9","3","10","3","2","1") = "9"
    & skf18("1","9","3","10","3","3","1") = "9"
    & skf18("1","9","3","10","3","4","1") = "9"
    & skf18("1","9","3","10","3","5","1") = "9"
    & skf18("1","9","3","10","3","6","1") = "9"
    & skf18("1","9","3","10","3","7","1") = "9"
    & skf18("1","9","3","10","3","8","1") = "9"
    & skf18("1","9","3","10","3","9","1") = "9"
    & skf18("1","9","3","10","3","10","1") = "9"
    & skf18("1","9","3","10","4","1","1") = "9"
    & skf18("1","9","3","10","4","2","1") = "9"
    & skf18("1","9","3","10","4","3","1") = "9"
    & skf18("1","9","3","10","4","4","1") = "9"
    & skf18("1","9","3","10","4","5","1") = "9"
    & skf18("1","9","3","10","4","6","1") = "9"
    & skf18("1","9","3","10","4","7","1") = "9"
    & skf18("1","9","3","10","4","8","1") = "9"
    & skf18("1","9","3","10","4","9","1") = "9"
    & skf18("1","9","3","10","4","10","1") = "9"
    & skf18("1","9","3","10","5","1","1") = "9"
    & skf18("1","9","3","10","5","2","1") = "9"
    & skf18("1","9","3","10","5","3","1") = "9"
    & skf18("1","9","3","10","5","4","1") = "9"
    & skf18("1","9","3","10","5","5","1") = "9"
    & skf18("1","9","3","10","5","6","1") = "9"
    & skf18("1","9","3","10","5","7","1") = "9"
    & skf18("1","9","3","10","5","8","1") = "9"
    & skf18("1","9","3","10","5","9","1") = "9"
    & skf18("1","9","3","10","5","10","1") = "9"
    & skf18("1","9","3","10","6","1","1") = "9"
    & skf18("1","9","3","10","6","2","1") = "9"
    & skf18("1","9","3","10","6","3","1") = "9"
    & skf18("1","9","3","10","6","4","1") = "9"
    & skf18("1","9","3","10","6","5","1") = "9"
    & skf18("1","9","3","10","6","6","1") = "9"
    & skf18("1","9","3","10","6","7","1") = "9"
    & skf18("1","9","3","10","6","8","1") = "9"
    & skf18("1","9","3","10","6","9","1") = "9"
    & skf18("1","9","3","10","6","10","1") = "9"
    & skf18("1","9","3","10","7","1","1") = "9"
    & skf18("1","9","3","10","7","2","1") = "9"
    & skf18("1","9","3","10","7","3","1") = "9"
    & skf18("1","9","3","10","7","4","1") = "9"
    & skf18("1","9","3","10","7","5","1") = "9"
    & skf18("1","9","3","10","7","6","1") = "9"
    & skf18("1","9","3","10","7","7","1") = "9"
    & skf18("1","9","3","10","7","8","1") = "9"
    & skf18("1","9","3","10","7","9","1") = "9"
    & skf18("1","9","3","10","7","10","1") = "9"
    & skf18("1","9","3","10","8","1","1") = "9"
    & skf18("1","9","3","10","8","2","1") = "9"
    & skf18("1","9","3","10","8","3","1") = "9"
    & skf18("1","9","3","10","8","4","1") = "9"
    & skf18("1","9","3","10","8","5","1") = "9"
    & skf18("1","9","3","10","8","6","1") = "9"
    & skf18("1","9","3","10","8","7","1") = "9"
    & skf18("1","9","3","10","8","8","1") = "9"
    & skf18("1","9","3","10","8","9","1") = "9"
    & skf18("1","9","3","10","8","10","1") = "9"
    & skf18("1","9","3","10","9","1","1") = "9"
    & skf18("1","9","3","10","9","2","1") = "9"
    & skf18("1","9","3","10","9","3","1") = "9"
    & skf18("1","9","3","10","9","4","1") = "9"
    & skf18("1","9","3","10","9","5","1") = "9"
    & skf18("1","9","3","10","9","6","1") = "9"
    & skf18("1","9","3","10","9","7","1") = "9"
    & skf18("1","9","3","10","9","8","1") = "9"
    & skf18("1","9","3","10","9","9","1") = "9"
    & skf18("1","9","3","10","9","10","1") = "9"
    & skf18("1","9","3","10","10","1","1") = "9"
    & skf18("1","9","3","10","10","2","1") = "9"
    & skf18("1","9","3","10","10","3","1") = "9"
    & skf18("1","9","3","10","10","4","1") = "9"
    & skf18("1","9","3","10","10","5","1") = "9"
    & skf18("1","9","3","10","10","6","1") = "9"
    & skf18("1","9","3","10","10","7","1") = "9"
    & skf18("1","9","3","10","10","8","1") = "9"
    & skf18("1","9","3","10","10","9","1") = "9"
    & skf18("1","9","3","10","10","10","1") = "9"
    & skf18("1","9","4","1","1","1","1") = "8"
    & skf18("1","9","4","1","1","2","1") = "8"
    & skf18("1","9","4","1","1","3","1") = "8"
    & skf18("1","9","4","1","1","4","1") = "8"
    & skf18("1","9","4","1","1","5","1") = "8"
    & skf18("1","9","4","1","1","6","1") = "8"
    & skf18("1","9","4","1","1","7","1") = "8"
    & skf18("1","9","4","1","1","8","1") = "8"
    & skf18("1","9","4","1","1","9","1") = "8"
    & skf18("1","9","4","1","1","10","1") = "9"
    & skf18("1","9","4","1","2","1","1") = "8"
    & skf18("1","9","4","1","2","2","1") = "8"
    & skf18("1","9","4","1","2","3","1") = "8"
    & skf18("1","9","4","1","2","4","1") = "8"
    & skf18("1","9","4","1","2","5","1") = "8"
    & skf18("1","9","4","1","2","6","1") = "8"
    & skf18("1","9","4","1","2","7","1") = "8"
    & skf18("1","9","4","1","2","8","1") = "8"
    & skf18("1","9","4","1","2","9","1") = "8"
    & skf18("1","9","4","1","2","10","1") = "9"
    & skf18("1","9","4","1","3","1","1") = "8"
    & skf18("1","9","4","1","3","2","1") = "8"
    & skf18("1","9","4","1","3","3","1") = "8"
    & skf18("1","9","4","1","3","4","1") = "8"
    & skf18("1","9","4","1","3","5","1") = "8"
    & skf18("1","9","4","1","3","6","1") = "8"
    & skf18("1","9","4","1","3","7","1") = "8"
    & skf18("1","9","4","1","3","8","1") = "8"
    & skf18("1","9","4","1","3","9","1") = "8"
    & skf18("1","9","4","1","3","10","1") = "9"
    & skf18("1","9","4","1","4","1","1") = "8"
    & skf18("1","9","4","1","4","2","1") = "8"
    & skf18("1","9","4","1","4","3","1") = "8"
    & skf18("1","9","4","1","4","4","1") = "8"
    & skf18("1","9","4","1","4","5","1") = "8"
    & skf18("1","9","4","1","4","6","1") = "8"
    & skf18("1","9","4","1","4","7","1") = "8"
    & skf18("1","9","4","1","4","8","1") = "8"
    & skf18("1","9","4","1","4","9","1") = "8"
    & skf18("1","9","4","1","4","10","1") = "9"
    & skf18("1","9","4","1","5","1","1") = "8"
    & skf18("1","9","4","1","5","2","1") = "8"
    & skf18("1","9","4","1","5","3","1") = "8"
    & skf18("1","9","4","1","5","4","1") = "8"
    & skf18("1","9","4","1","5","5","1") = "8"
    & skf18("1","9","4","1","5","6","1") = "8"
    & skf18("1","9","4","1","5","7","1") = "8"
    & skf18("1","9","4","1","5","8","1") = "8"
    & skf18("1","9","4","1","5","9","1") = "8"
    & skf18("1","9","4","1","5","10","1") = "9"
    & skf18("1","9","4","1","6","1","1") = "8"
    & skf18("1","9","4","1","6","2","1") = "8"
    & skf18("1","9","4","1","6","3","1") = "8"
    & skf18("1","9","4","1","6","4","1") = "8"
    & skf18("1","9","4","1","6","5","1") = "8"
    & skf18("1","9","4","1","6","6","1") = "8"
    & skf18("1","9","4","1","6","7","1") = "8"
    & skf18("1","9","4","1","6","8","1") = "8"
    & skf18("1","9","4","1","6","9","1") = "8"
    & skf18("1","9","4","1","6","10","1") = "9"
    & skf18("1","9","4","1","7","1","1") = "8"
    & skf18("1","9","4","1","7","2","1") = "8"
    & skf18("1","9","4","1","7","3","1") = "8"
    & skf18("1","9","4","1","7","4","1") = "8"
    & skf18("1","9","4","1","7","5","1") = "8"
    & skf18("1","9","4","1","7","6","1") = "8"
    & skf18("1","9","4","1","7","7","1") = "8"
    & skf18("1","9","4","1","7","8","1") = "8"
    & skf18("1","9","4","1","7","9","1") = "8"
    & skf18("1","9","4","1","7","10","1") = "9"
    & skf18("1","9","4","1","8","1","1") = "8"
    & skf18("1","9","4","1","8","2","1") = "8"
    & skf18("1","9","4","1","8","3","1") = "8"
    & skf18("1","9","4","1","8","4","1") = "8"
    & skf18("1","9","4","1","8","5","1") = "8"
    & skf18("1","9","4","1","8","6","1") = "8"
    & skf18("1","9","4","1","8","7","1") = "8"
    & skf18("1","9","4","1","8","8","1") = "8"
    & skf18("1","9","4","1","8","9","1") = "8"
    & skf18("1","9","4","1","8","10","1") = "9"
    & skf18("1","9","4","1","9","1","1") = "8"
    & skf18("1","9","4","1","9","2","1") = "8"
    & skf18("1","9","4","1","9","3","1") = "8"
    & skf18("1","9","4","1","9","4","1") = "8"
    & skf18("1","9","4","1","9","5","1") = "8"
    & skf18("1","9","4","1","9","6","1") = "8"
    & skf18("1","9","4","1","9","7","1") = "8"
    & skf18("1","9","4","1","9","8","1") = "8"
    & skf18("1","9","4","1","9","9","1") = "8"
    & skf18("1","9","4","1","9","10","1") = "9"
    & skf18("1","9","4","1","10","1","1") = "9"
    & skf18("1","9","4","1","10","2","1") = "9"
    & skf18("1","9","4","1","10","3","1") = "9"
    & skf18("1","9","4","1","10","4","1") = "9"
    & skf18("1","9","4","1","10","5","1") = "9"
    & skf18("1","9","4","1","10","6","1") = "9"
    & skf18("1","9","4","1","10","7","1") = "9"
    & skf18("1","9","4","1","10","8","1") = "9"
    & skf18("1","9","4","1","10","9","1") = "9"
    & skf18("1","9","4","1","10","10","1") = "9"
    & skf18("1","9","4","2","1","1","1") = "8"
    & skf18("1","9","4","2","1","2","1") = "8"
    & skf18("1","9","4","2","1","3","1") = "8"
    & skf18("1","9","4","2","1","4","1") = "8"
    & skf18("1","9","4","2","1","5","1") = "8"
    & skf18("1","9","4","2","1","6","1") = "8"
    & skf18("1","9","4","2","1","7","1") = "8"
    & skf18("1","9","4","2","1","8","1") = "8"
    & skf18("1","9","4","2","1","9","1") = "8"
    & skf18("1","9","4","2","1","10","1") = "9"
    & skf18("1","9","4","2","2","1","1") = "8"
    & skf18("1","9","4","2","2","2","1") = "8"
    & skf18("1","9","4","2","2","3","1") = "8"
    & skf18("1","9","4","2","2","4","1") = "8"
    & skf18("1","9","4","2","2","5","1") = "8"
    & skf18("1","9","4","2","2","6","1") = "8"
    & skf18("1","9","4","2","2","7","1") = "8"
    & skf18("1","9","4","2","2","8","1") = "8"
    & skf18("1","9","4","2","2","9","1") = "8"
    & skf18("1","9","4","2","2","10","1") = "9"
    & skf18("1","9","4","2","3","1","1") = "8"
    & skf18("1","9","4","2","3","2","1") = "8"
    & skf18("1","9","4","2","3","3","1") = "8"
    & skf18("1","9","4","2","3","4","1") = "8"
    & skf18("1","9","4","2","3","5","1") = "8"
    & skf18("1","9","4","2","3","6","1") = "8"
    & skf18("1","9","4","2","3","7","1") = "8"
    & skf18("1","9","4","2","3","8","1") = "8"
    & skf18("1","9","4","2","3","9","1") = "8"
    & skf18("1","9","4","2","3","10","1") = "9"
    & skf18("1","9","4","2","4","1","1") = "8"
    & skf18("1","9","4","2","4","2","1") = "8"
    & skf18("1","9","4","2","4","3","1") = "8"
    & skf18("1","9","4","2","4","4","1") = "8"
    & skf18("1","9","4","2","4","5","1") = "8"
    & skf18("1","9","4","2","4","6","1") = "8"
    & skf18("1","9","4","2","4","7","1") = "8"
    & skf18("1","9","4","2","4","8","1") = "8"
    & skf18("1","9","4","2","4","9","1") = "8"
    & skf18("1","9","4","2","4","10","1") = "9"
    & skf18("1","9","4","2","5","1","1") = "8"
    & skf18("1","9","4","2","5","2","1") = "8"
    & skf18("1","9","4","2","5","3","1") = "8"
    & skf18("1","9","4","2","5","4","1") = "8"
    & skf18("1","9","4","2","5","5","1") = "8"
    & skf18("1","9","4","2","5","6","1") = "8"
    & skf18("1","9","4","2","5","7","1") = "8"
    & skf18("1","9","4","2","5","8","1") = "8"
    & skf18("1","9","4","2","5","9","1") = "8"
    & skf18("1","9","4","2","5","10","1") = "9"
    & skf18("1","9","4","2","6","1","1") = "8"
    & skf18("1","9","4","2","6","2","1") = "8"
    & skf18("1","9","4","2","6","3","1") = "8"
    & skf18("1","9","4","2","6","4","1") = "8"
    & skf18("1","9","4","2","6","5","1") = "8"
    & skf18("1","9","4","2","6","6","1") = "8"
    & skf18("1","9","4","2","6","7","1") = "8"
    & skf18("1","9","4","2","6","8","1") = "8"
    & skf18("1","9","4","2","6","9","1") = "8"
    & skf18("1","9","4","2","6","10","1") = "9"
    & skf18("1","9","4","2","7","1","1") = "8"
    & skf18("1","9","4","2","7","2","1") = "8"
    & skf18("1","9","4","2","7","3","1") = "8"
    & skf18("1","9","4","2","7","4","1") = "8"
    & skf18("1","9","4","2","7","5","1") = "8"
    & skf18("1","9","4","2","7","6","1") = "8"
    & skf18("1","9","4","2","7","7","1") = "8"
    & skf18("1","9","4","2","7","8","1") = "8"
    & skf18("1","9","4","2","7","9","1") = "8"
    & skf18("1","9","4","2","7","10","1") = "9"
    & skf18("1","9","4","2","8","1","1") = "8"
    & skf18("1","9","4","2","8","2","1") = "8"
    & skf18("1","9","4","2","8","3","1") = "8"
    & skf18("1","9","4","2","8","4","1") = "8"
    & skf18("1","9","4","2","8","5","1") = "8"
    & skf18("1","9","4","2","8","6","1") = "8"
    & skf18("1","9","4","2","8","7","1") = "8"
    & skf18("1","9","4","2","8","8","1") = "8"
    & skf18("1","9","4","2","8","9","1") = "8"
    & skf18("1","9","4","2","8","10","1") = "9"
    & skf18("1","9","4","2","9","1","1") = "8"
    & skf18("1","9","4","2","9","2","1") = "8"
    & skf18("1","9","4","2","9","3","1") = "8"
    & skf18("1","9","4","2","9","4","1") = "8"
    & skf18("1","9","4","2","9","5","1") = "8"
    & skf18("1","9","4","2","9","6","1") = "8"
    & skf18("1","9","4","2","9","7","1") = "8"
    & skf18("1","9","4","2","9","8","1") = "8"
    & skf18("1","9","4","2","9","9","1") = "8"
    & skf18("1","9","4","2","9","10","1") = "9"
    & skf18("1","9","4","2","10","1","1") = "9"
    & skf18("1","9","4","2","10","2","1") = "9"
    & skf18("1","9","4","2","10","3","1") = "9"
    & skf18("1","9","4","2","10","4","1") = "9"
    & skf18("1","9","4","2","10","5","1") = "9"
    & skf18("1","9","4","2","10","6","1") = "9"
    & skf18("1","9","4","2","10","7","1") = "9"
    & skf18("1","9","4","2","10","8","1") = "9"
    & skf18("1","9","4","2","10","9","1") = "9"
    & skf18("1","9","4","2","10","10","1") = "9"
    & skf18("1","9","4","3","1","1","1") = "8"
    & skf18("1","9","4","3","1","2","1") = "8"
    & skf18("1","9","4","3","1","3","1") = "8"
    & skf18("1","9","4","3","1","4","1") = "8"
    & skf18("1","9","4","3","1","5","1") = "8"
    & skf18("1","9","4","3","1","6","1") = "8"
    & skf18("1","9","4","3","1","7","1") = "8"
    & skf18("1","9","4","3","1","8","1") = "8"
    & skf18("1","9","4","3","1","9","1") = "8"
    & skf18("1","9","4","3","1","10","1") = "9"
    & skf18("1","9","4","3","2","1","1") = "8"
    & skf18("1","9","4","3","2","2","1") = "8"
    & skf18("1","9","4","3","2","3","1") = "8"
    & skf18("1","9","4","3","2","4","1") = "8"
    & skf18("1","9","4","3","2","5","1") = "8"
    & skf18("1","9","4","3","2","6","1") = "8"
    & skf18("1","9","4","3","2","7","1") = "8"
    & skf18("1","9","4","3","2","8","1") = "8"
    & skf18("1","9","4","3","2","9","1") = "8"
    & skf18("1","9","4","3","2","10","1") = "9"
    & skf18("1","9","4","3","3","1","1") = "8"
    & skf18("1","9","4","3","3","2","1") = "8"
    & skf18("1","9","4","3","3","3","1") = "8"
    & skf18("1","9","4","3","3","4","1") = "8"
    & skf18("1","9","4","3","3","5","1") = "8"
    & skf18("1","9","4","3","3","6","1") = "8"
    & skf18("1","9","4","3","3","7","1") = "8"
    & skf18("1","9","4","3","3","8","1") = "8"
    & skf18("1","9","4","3","3","9","1") = "8"
    & skf18("1","9","4","3","3","10","1") = "9"
    & skf18("1","9","4","3","4","1","1") = "8"
    & skf18("1","9","4","3","4","2","1") = "8"
    & skf18("1","9","4","3","4","3","1") = "8"
    & skf18("1","9","4","3","4","4","1") = "8"
    & skf18("1","9","4","3","4","5","1") = "8"
    & skf18("1","9","4","3","4","6","1") = "8"
    & skf18("1","9","4","3","4","7","1") = "8"
    & skf18("1","9","4","3","4","8","1") = "8"
    & skf18("1","9","4","3","4","9","1") = "8"
    & skf18("1","9","4","3","4","10","1") = "9"
    & skf18("1","9","4","3","5","1","1") = "8"
    & skf18("1","9","4","3","5","2","1") = "8"
    & skf18("1","9","4","3","5","3","1") = "8"
    & skf18("1","9","4","3","5","4","1") = "8"
    & skf18("1","9","4","3","5","5","1") = "8"
    & skf18("1","9","4","3","5","6","1") = "8"
    & skf18("1","9","4","3","5","7","1") = "8"
    & skf18("1","9","4","3","5","8","1") = "8"
    & skf18("1","9","4","3","5","9","1") = "8"
    & skf18("1","9","4","3","5","10","1") = "9"
    & skf18("1","9","4","3","6","1","1") = "8"
    & skf18("1","9","4","3","6","2","1") = "8"
    & skf18("1","9","4","3","6","3","1") = "8"
    & skf18("1","9","4","3","6","4","1") = "8"
    & skf18("1","9","4","3","6","5","1") = "8"
    & skf18("1","9","4","3","6","6","1") = "8"
    & skf18("1","9","4","3","6","7","1") = "8"
    & skf18("1","9","4","3","6","8","1") = "8"
    & skf18("1","9","4","3","6","9","1") = "8"
    & skf18("1","9","4","3","6","10","1") = "9"
    & skf18("1","9","4","3","7","1","1") = "8"
    & skf18("1","9","4","3","7","2","1") = "8"
    & skf18("1","9","4","3","7","3","1") = "8"
    & skf18("1","9","4","3","7","4","1") = "8"
    & skf18("1","9","4","3","7","5","1") = "8"
    & skf18("1","9","4","3","7","6","1") = "8"
    & skf18("1","9","4","3","7","7","1") = "8"
    & skf18("1","9","4","3","7","8","1") = "8"
    & skf18("1","9","4","3","7","9","1") = "8"
    & skf18("1","9","4","3","7","10","1") = "9"
    & skf18("1","9","4","3","8","1","1") = "8"
    & skf18("1","9","4","3","8","2","1") = "8"
    & skf18("1","9","4","3","8","3","1") = "8"
    & skf18("1","9","4","3","8","4","1") = "8"
    & skf18("1","9","4","3","8","5","1") = "8"
    & skf18("1","9","4","3","8","6","1") = "8"
    & skf18("1","9","4","3","8","7","1") = "8"
    & skf18("1","9","4","3","8","8","1") = "8"
    & skf18("1","9","4","3","8","9","1") = "8"
    & skf18("1","9","4","3","8","10","1") = "9"
    & skf18("1","9","4","3","9","1","1") = "8"
    & skf18("1","9","4","3","9","2","1") = "8"
    & skf18("1","9","4","3","9","3","1") = "8"
    & skf18("1","9","4","3","9","4","1") = "8"
    & skf18("1","9","4","3","9","5","1") = "8"
    & skf18("1","9","4","3","9","6","1") = "8"
    & skf18("1","9","4","3","9","7","1") = "8"
    & skf18("1","9","4","3","9","8","1") = "8"
    & skf18("1","9","4","3","9","9","1") = "8"
    & skf18("1","9","4","3","9","10","1") = "9"
    & skf18("1","9","4","3","10","1","1") = "9"
    & skf18("1","9","4","3","10","2","1") = "9"
    & skf18("1","9","4","3","10","3","1") = "9"
    & skf18("1","9","4","3","10","4","1") = "9"
    & skf18("1","9","4","3","10","5","1") = "9"
    & skf18("1","9","4","3","10","6","1") = "9"
    & skf18("1","9","4","3","10","7","1") = "9"
    & skf18("1","9","4","3","10","8","1") = "9"
    & skf18("1","9","4","3","10","9","1") = "9"
    & skf18("1","9","4","3","10","10","1") = "9"
    & skf18("1","9","4","4","1","1","1") = "8"
    & skf18("1","9","4","4","1","2","1") = "8"
    & skf18("1","9","4","4","1","3","1") = "8"
    & skf18("1","9","4","4","1","4","1") = "8"
    & skf18("1","9","4","4","1","5","1") = "8"
    & skf18("1","9","4","4","1","6","1") = "8"
    & skf18("1","9","4","4","1","7","1") = "8"
    & skf18("1","9","4","4","1","8","1") = "8"
    & skf18("1","9","4","4","1","9","1") = "8"
    & skf18("1","9","4","4","1","10","1") = "9"
    & skf18("1","9","4","4","2","1","1") = "8"
    & skf18("1","9","4","4","2","2","1") = "8"
    & skf18("1","9","4","4","2","3","1") = "8"
    & skf18("1","9","4","4","2","4","1") = "8"
    & skf18("1","9","4","4","2","5","1") = "8"
    & skf18("1","9","4","4","2","6","1") = "8"
    & skf18("1","9","4","4","2","7","1") = "8"
    & skf18("1","9","4","4","2","8","1") = "8"
    & skf18("1","9","4","4","2","9","1") = "8"
    & skf18("1","9","4","4","2","10","1") = "9"
    & skf18("1","9","4","4","3","1","1") = "8"
    & skf18("1","9","4","4","3","2","1") = "8"
    & skf18("1","9","4","4","3","3","1") = "8"
    & skf18("1","9","4","4","3","4","1") = "8"
    & skf18("1","9","4","4","3","5","1") = "8"
    & skf18("1","9","4","4","3","6","1") = "8"
    & skf18("1","9","4","4","3","7","1") = "8"
    & skf18("1","9","4","4","3","8","1") = "8"
    & skf18("1","9","4","4","3","9","1") = "8"
    & skf18("1","9","4","4","3","10","1") = "9"
    & skf18("1","9","4","4","4","1","1") = "8"
    & skf18("1","9","4","4","4","2","1") = "8"
    & skf18("1","9","4","4","4","3","1") = "8"
    & skf18("1","9","4","4","4","4","1") = "8"
    & skf18("1","9","4","4","4","5","1") = "8"
    & skf18("1","9","4","4","4","6","1") = "8"
    & skf18("1","9","4","4","4","7","1") = "8"
    & skf18("1","9","4","4","4","8","1") = "8"
    & skf18("1","9","4","4","4","9","1") = "8"
    & skf18("1","9","4","4","4","10","1") = "9"
    & skf18("1","9","4","4","5","1","1") = "8"
    & skf18("1","9","4","4","5","2","1") = "8"
    & skf18("1","9","4","4","5","3","1") = "8"
    & skf18("1","9","4","4","5","4","1") = "8"
    & skf18("1","9","4","4","5","5","1") = "8"
    & skf18("1","9","4","4","5","6","1") = "8"
    & skf18("1","9","4","4","5","7","1") = "8"
    & skf18("1","9","4","4","5","8","1") = "8"
    & skf18("1","9","4","4","5","9","1") = "8"
    & skf18("1","9","4","4","5","10","1") = "9"
    & skf18("1","9","4","4","6","1","1") = "8"
    & skf18("1","9","4","4","6","2","1") = "8"
    & skf18("1","9","4","4","6","3","1") = "8"
    & skf18("1","9","4","4","6","4","1") = "8"
    & skf18("1","9","4","4","6","5","1") = "8"
    & skf18("1","9","4","4","6","6","1") = "8"
    & skf18("1","9","4","4","6","7","1") = "8"
    & skf18("1","9","4","4","6","8","1") = "8"
    & skf18("1","9","4","4","6","9","1") = "8"
    & skf18("1","9","4","4","6","10","1") = "9"
    & skf18("1","9","4","4","7","1","1") = "8"
    & skf18("1","9","4","4","7","2","1") = "8"
    & skf18("1","9","4","4","7","3","1") = "8"
    & skf18("1","9","4","4","7","4","1") = "8"
    & skf18("1","9","4","4","7","5","1") = "8"
    & skf18("1","9","4","4","7","6","1") = "8"
    & skf18("1","9","4","4","7","7","1") = "8"
    & skf18("1","9","4","4","7","8","1") = "8"
    & skf18("1","9","4","4","7","9","1") = "8"
    & skf18("1","9","4","4","7","10","1") = "9"
    & skf18("1","9","4","4","8","1","1") = "8"
    & skf18("1","9","4","4","8","2","1") = "8"
    & skf18("1","9","4","4","8","3","1") = "8"
    & skf18("1","9","4","4","8","4","1") = "8"
    & skf18("1","9","4","4","8","5","1") = "8"
    & skf18("1","9","4","4","8","6","1") = "8"
    & skf18("1","9","4","4","8","7","1") = "8"
    & skf18("1","9","4","4","8","8","1") = "8"
    & skf18("1","9","4","4","8","9","1") = "8"
    & skf18("1","9","4","4","8","10","1") = "9"
    & skf18("1","9","4","4","9","1","1") = "8"
    & skf18("1","9","4","4","9","2","1") = "8"
    & skf18("1","9","4","4","9","3","1") = "8"
    & skf18("1","9","4","4","9","4","1") = "8"
    & skf18("1","9","4","4","9","5","1") = "8"
    & skf18("1","9","4","4","9","6","1") = "8"
    & skf18("1","9","4","4","9","7","1") = "8"
    & skf18("1","9","4","4","9","8","1") = "8"
    & skf18("1","9","4","4","9","9","1") = "8"
    & skf18("1","9","4","4","9","10","1") = "9"
    & skf18("1","9","4","4","10","1","1") = "9"
    & skf18("1","9","4","4","10","2","1") = "9"
    & skf18("1","9","4","4","10","3","1") = "9"
    & skf18("1","9","4","4","10","4","1") = "9"
    & skf18("1","9","4","4","10","5","1") = "9"
    & skf18("1","9","4","4","10","6","1") = "9"
    & skf18("1","9","4","4","10","7","1") = "9"
    & skf18("1","9","4","4","10","8","1") = "9"
    & skf18("1","9","4","4","10","9","1") = "9"
    & skf18("1","9","4","4","10","10","1") = "9"
    & skf18("1","9","4","5","1","1","1") = "8"
    & skf18("1","9","4","5","1","2","1") = "8"
    & skf18("1","9","4","5","1","3","1") = "8"
    & skf18("1","9","4","5","1","4","1") = "8"
    & skf18("1","9","4","5","1","5","1") = "8"
    & skf18("1","9","4","5","1","6","1") = "8"
    & skf18("1","9","4","5","1","7","1") = "8"
    & skf18("1","9","4","5","1","8","1") = "8"
    & skf18("1","9","4","5","1","9","1") = "8"
    & skf18("1","9","4","5","1","10","1") = "9"
    & skf18("1","9","4","5","2","1","1") = "8"
    & skf18("1","9","4","5","2","2","1") = "8"
    & skf18("1","9","4","5","2","3","1") = "8"
    & skf18("1","9","4","5","2","4","1") = "8"
    & skf18("1","9","4","5","2","5","1") = "8"
    & skf18("1","9","4","5","2","6","1") = "8"
    & skf18("1","9","4","5","2","7","1") = "8"
    & skf18("1","9","4","5","2","8","1") = "8"
    & skf18("1","9","4","5","2","9","1") = "8"
    & skf18("1","9","4","5","2","10","1") = "9"
    & skf18("1","9","4","5","3","1","1") = "8"
    & skf18("1","9","4","5","3","2","1") = "8"
    & skf18("1","9","4","5","3","3","1") = "8"
    & skf18("1","9","4","5","3","4","1") = "8"
    & skf18("1","9","4","5","3","5","1") = "8"
    & skf18("1","9","4","5","3","6","1") = "8"
    & skf18("1","9","4","5","3","7","1") = "8"
    & skf18("1","9","4","5","3","8","1") = "8"
    & skf18("1","9","4","5","3","9","1") = "8"
    & skf18("1","9","4","5","3","10","1") = "9"
    & skf18("1","9","4","5","4","1","1") = "8"
    & skf18("1","9","4","5","4","2","1") = "8"
    & skf18("1","9","4","5","4","3","1") = "8"
    & skf18("1","9","4","5","4","4","1") = "8"
    & skf18("1","9","4","5","4","5","1") = "8"
    & skf18("1","9","4","5","4","6","1") = "8"
    & skf18("1","9","4","5","4","7","1") = "8"
    & skf18("1","9","4","5","4","8","1") = "8"
    & skf18("1","9","4","5","4","9","1") = "8"
    & skf18("1","9","4","5","4","10","1") = "9"
    & skf18("1","9","4","5","5","1","1") = "8"
    & skf18("1","9","4","5","5","2","1") = "8"
    & skf18("1","9","4","5","5","3","1") = "8"
    & skf18("1","9","4","5","5","4","1") = "8"
    & skf18("1","9","4","5","5","5","1") = "8"
    & skf18("1","9","4","5","5","6","1") = "8"
    & skf18("1","9","4","5","5","7","1") = "8"
    & skf18("1","9","4","5","5","8","1") = "8"
    & skf18("1","9","4","5","5","9","1") = "8"
    & skf18("1","9","4","5","5","10","1") = "9"
    & skf18("1","9","4","5","6","1","1") = "8"
    & skf18("1","9","4","5","6","2","1") = "8"
    & skf18("1","9","4","5","6","3","1") = "8"
    & skf18("1","9","4","5","6","4","1") = "8"
    & skf18("1","9","4","5","6","5","1") = "8"
    & skf18("1","9","4","5","6","6","1") = "8"
    & skf18("1","9","4","5","6","7","1") = "8"
    & skf18("1","9","4","5","6","8","1") = "8"
    & skf18("1","9","4","5","6","9","1") = "8"
    & skf18("1","9","4","5","6","10","1") = "9"
    & skf18("1","9","4","5","7","1","1") = "8"
    & skf18("1","9","4","5","7","2","1") = "8"
    & skf18("1","9","4","5","7","3","1") = "8"
    & skf18("1","9","4","5","7","4","1") = "8"
    & skf18("1","9","4","5","7","5","1") = "8"
    & skf18("1","9","4","5","7","6","1") = "8"
    & skf18("1","9","4","5","7","7","1") = "8"
    & skf18("1","9","4","5","7","8","1") = "8"
    & skf18("1","9","4","5","7","9","1") = "8"
    & skf18("1","9","4","5","7","10","1") = "9"
    & skf18("1","9","4","5","8","1","1") = "8"
    & skf18("1","9","4","5","8","2","1") = "8"
    & skf18("1","9","4","5","8","3","1") = "8"
    & skf18("1","9","4","5","8","4","1") = "8"
    & skf18("1","9","4","5","8","5","1") = "8"
    & skf18("1","9","4","5","8","6","1") = "8"
    & skf18("1","9","4","5","8","7","1") = "8"
    & skf18("1","9","4","5","8","8","1") = "8"
    & skf18("1","9","4","5","8","9","1") = "8"
    & skf18("1","9","4","5","8","10","1") = "9"
    & skf18("1","9","4","5","9","1","1") = "8"
    & skf18("1","9","4","5","9","2","1") = "8"
    & skf18("1","9","4","5","9","3","1") = "8"
    & skf18("1","9","4","5","9","4","1") = "8"
    & skf18("1","9","4","5","9","5","1") = "8"
    & skf18("1","9","4","5","9","6","1") = "8"
    & skf18("1","9","4","5","9","7","1") = "8"
    & skf18("1","9","4","5","9","8","1") = "8"
    & skf18("1","9","4","5","9","9","1") = "8"
    & skf18("1","9","4","5","9","10","1") = "9"
    & skf18("1","9","4","5","10","1","1") = "9"
    & skf18("1","9","4","5","10","2","1") = "9"
    & skf18("1","9","4","5","10","3","1") = "9"
    & skf18("1","9","4","5","10","4","1") = "9"
    & skf18("1","9","4","5","10","5","1") = "9"
    & skf18("1","9","4","5","10","6","1") = "9"
    & skf18("1","9","4","5","10","7","1") = "9"
    & skf18("1","9","4","5","10","8","1") = "9"
    & skf18("1","9","4","5","10","9","1") = "9"
    & skf18("1","9","4","5","10","10","1") = "9"
    & skf18("1","9","4","6","1","1","1") = "8"
    & skf18("1","9","4","6","1","2","1") = "8"
    & skf18("1","9","4","6","1","3","1") = "8"
    & skf18("1","9","4","6","1","4","1") = "8"
    & skf18("1","9","4","6","1","5","1") = "8"
    & skf18("1","9","4","6","1","6","1") = "8"
    & skf18("1","9","4","6","1","7","1") = "8"
    & skf18("1","9","4","6","1","8","1") = "8"
    & skf18("1","9","4","6","1","9","1") = "8"
    & skf18("1","9","4","6","1","10","1") = "9"
    & skf18("1","9","4","6","2","1","1") = "8"
    & skf18("1","9","4","6","2","2","1") = "8"
    & skf18("1","9","4","6","2","3","1") = "8"
    & skf18("1","9","4","6","2","4","1") = "8"
    & skf18("1","9","4","6","2","5","1") = "8"
    & skf18("1","9","4","6","2","6","1") = "8"
    & skf18("1","9","4","6","2","7","1") = "8"
    & skf18("1","9","4","6","2","8","1") = "8"
    & skf18("1","9","4","6","2","9","1") = "8"
    & skf18("1","9","4","6","2","10","1") = "9"
    & skf18("1","9","4","6","3","1","1") = "8"
    & skf18("1","9","4","6","3","2","1") = "8"
    & skf18("1","9","4","6","3","3","1") = "8"
    & skf18("1","9","4","6","3","4","1") = "8"
    & skf18("1","9","4","6","3","5","1") = "8"
    & skf18("1","9","4","6","3","6","1") = "8"
    & skf18("1","9","4","6","3","7","1") = "8"
    & skf18("1","9","4","6","3","8","1") = "8"
    & skf18("1","9","4","6","3","9","1") = "8"
    & skf18("1","9","4","6","3","10","1") = "9"
    & skf18("1","9","4","6","4","1","1") = "8"
    & skf18("1","9","4","6","4","2","1") = "8"
    & skf18("1","9","4","6","4","3","1") = "8"
    & skf18("1","9","4","6","4","4","1") = "8"
    & skf18("1","9","4","6","4","5","1") = "8"
    & skf18("1","9","4","6","4","6","1") = "8"
    & skf18("1","9","4","6","4","7","1") = "8"
    & skf18("1","9","4","6","4","8","1") = "8"
    & skf18("1","9","4","6","4","9","1") = "8"
    & skf18("1","9","4","6","4","10","1") = "9"
    & skf18("1","9","4","6","5","1","1") = "8"
    & skf18("1","9","4","6","5","2","1") = "8"
    & skf18("1","9","4","6","5","3","1") = "8"
    & skf18("1","9","4","6","5","4","1") = "8"
    & skf18("1","9","4","6","5","5","1") = "8"
    & skf18("1","9","4","6","5","6","1") = "8"
    & skf18("1","9","4","6","5","7","1") = "8"
    & skf18("1","9","4","6","5","8","1") = "8"
    & skf18("1","9","4","6","5","9","1") = "8"
    & skf18("1","9","4","6","5","10","1") = "9"
    & skf18("1","9","4","6","6","1","1") = "8"
    & skf18("1","9","4","6","6","2","1") = "8"
    & skf18("1","9","4","6","6","3","1") = "8"
    & skf18("1","9","4","6","6","4","1") = "8"
    & skf18("1","9","4","6","6","5","1") = "8"
    & skf18("1","9","4","6","6","6","1") = "8"
    & skf18("1","9","4","6","6","7","1") = "8"
    & skf18("1","9","4","6","6","8","1") = "8"
    & skf18("1","9","4","6","6","9","1") = "8"
    & skf18("1","9","4","6","6","10","1") = "9"
    & skf18("1","9","4","6","7","1","1") = "8"
    & skf18("1","9","4","6","7","2","1") = "8"
    & skf18("1","9","4","6","7","3","1") = "8"
    & skf18("1","9","4","6","7","4","1") = "8"
    & skf18("1","9","4","6","7","5","1") = "8"
    & skf18("1","9","4","6","7","6","1") = "8"
    & skf18("1","9","4","6","7","7","1") = "8"
    & skf18("1","9","4","6","7","8","1") = "8"
    & skf18("1","9","4","6","7","9","1") = "8"
    & skf18("1","9","4","6","7","10","1") = "9"
    & skf18("1","9","4","6","8","1","1") = "8"
    & skf18("1","9","4","6","8","2","1") = "8"
    & skf18("1","9","4","6","8","3","1") = "8"
    & skf18("1","9","4","6","8","4","1") = "8"
    & skf18("1","9","4","6","8","5","1") = "8"
    & skf18("1","9","4","6","8","6","1") = "8"
    & skf18("1","9","4","6","8","7","1") = "8"
    & skf18("1","9","4","6","8","8","1") = "8"
    & skf18("1","9","4","6","8","9","1") = "8"
    & skf18("1","9","4","6","8","10","1") = "9"
    & skf18("1","9","4","6","9","1","1") = "8"
    & skf18("1","9","4","6","9","2","1") = "8"
    & skf18("1","9","4","6","9","3","1") = "8"
    & skf18("1","9","4","6","9","4","1") = "8"
    & skf18("1","9","4","6","9","5","1") = "8"
    & skf18("1","9","4","6","9","6","1") = "8"
    & skf18("1","9","4","6","9","7","1") = "8"
    & skf18("1","9","4","6","9","8","1") = "8"
    & skf18("1","9","4","6","9","9","1") = "8"
    & skf18("1","9","4","6","9","10","1") = "9"
    & skf18("1","9","4","6","10","1","1") = "9"
    & skf18("1","9","4","6","10","2","1") = "9"
    & skf18("1","9","4","6","10","3","1") = "9"
    & skf18("1","9","4","6","10","4","1") = "9"
    & skf18("1","9","4","6","10","5","1") = "9"
    & skf18("1","9","4","6","10","6","1") = "9"
    & skf18("1","9","4","6","10","7","1") = "9"
    & skf18("1","9","4","6","10","8","1") = "9"
    & skf18("1","9","4","6","10","9","1") = "9"
    & skf18("1","9","4","6","10","10","1") = "9"
    & skf18("1","9","4","7","1","1","1") = "8"
    & skf18("1","9","4","7","1","2","1") = "8"
    & skf18("1","9","4","7","1","3","1") = "8"
    & skf18("1","9","4","7","1","4","1") = "8"
    & skf18("1","9","4","7","1","5","1") = "8"
    & skf18("1","9","4","7","1","6","1") = "8"
    & skf18("1","9","4","7","1","7","1") = "8"
    & skf18("1","9","4","7","1","8","1") = "8"
    & skf18("1","9","4","7","1","9","1") = "8"
    & skf18("1","9","4","7","1","10","1") = "9"
    & skf18("1","9","4","7","2","1","1") = "8"
    & skf18("1","9","4","7","2","2","1") = "8"
    & skf18("1","9","4","7","2","3","1") = "8"
    & skf18("1","9","4","7","2","4","1") = "8"
    & skf18("1","9","4","7","2","5","1") = "8"
    & skf18("1","9","4","7","2","6","1") = "8"
    & skf18("1","9","4","7","2","7","1") = "8"
    & skf18("1","9","4","7","2","8","1") = "8"
    & skf18("1","9","4","7","2","9","1") = "8"
    & skf18("1","9","4","7","2","10","1") = "9"
    & skf18("1","9","4","7","3","1","1") = "8"
    & skf18("1","9","4","7","3","2","1") = "8"
    & skf18("1","9","4","7","3","3","1") = "8"
    & skf18("1","9","4","7","3","4","1") = "8"
    & skf18("1","9","4","7","3","5","1") = "8"
    & skf18("1","9","4","7","3","6","1") = "8"
    & skf18("1","9","4","7","3","7","1") = "8"
    & skf18("1","9","4","7","3","8","1") = "8"
    & skf18("1","9","4","7","3","9","1") = "8"
    & skf18("1","9","4","7","3","10","1") = "9"
    & skf18("1","9","4","7","4","1","1") = "8"
    & skf18("1","9","4","7","4","2","1") = "8"
    & skf18("1","9","4","7","4","3","1") = "8"
    & skf18("1","9","4","7","4","4","1") = "8"
    & skf18("1","9","4","7","4","5","1") = "8"
    & skf18("1","9","4","7","4","6","1") = "8"
    & skf18("1","9","4","7","4","7","1") = "8"
    & skf18("1","9","4","7","4","8","1") = "8"
    & skf18("1","9","4","7","4","9","1") = "8"
    & skf18("1","9","4","7","4","10","1") = "9"
    & skf18("1","9","4","7","5","1","1") = "8"
    & skf18("1","9","4","7","5","2","1") = "8"
    & skf18("1","9","4","7","5","3","1") = "8"
    & skf18("1","9","4","7","5","4","1") = "8"
    & skf18("1","9","4","7","5","5","1") = "8"
    & skf18("1","9","4","7","5","6","1") = "8"
    & skf18("1","9","4","7","5","7","1") = "8"
    & skf18("1","9","4","7","5","8","1") = "8"
    & skf18("1","9","4","7","5","9","1") = "8"
    & skf18("1","9","4","7","5","10","1") = "9"
    & skf18("1","9","4","7","6","1","1") = "8"
    & skf18("1","9","4","7","6","2","1") = "8"
    & skf18("1","9","4","7","6","3","1") = "8"
    & skf18("1","9","4","7","6","4","1") = "8"
    & skf18("1","9","4","7","6","5","1") = "8"
    & skf18("1","9","4","7","6","6","1") = "8"
    & skf18("1","9","4","7","6","7","1") = "8"
    & skf18("1","9","4","7","6","8","1") = "8"
    & skf18("1","9","4","7","6","9","1") = "8"
    & skf18("1","9","4","7","6","10","1") = "9"
    & skf18("1","9","4","7","7","1","1") = "8"
    & skf18("1","9","4","7","7","2","1") = "8"
    & skf18("1","9","4","7","7","3","1") = "8"
    & skf18("1","9","4","7","7","4","1") = "8"
    & skf18("1","9","4","7","7","5","1") = "8"
    & skf18("1","9","4","7","7","6","1") = "8"
    & skf18("1","9","4","7","7","7","1") = "8"
    & skf18("1","9","4","7","7","8","1") = "8"
    & skf18("1","9","4","7","7","9","1") = "8"
    & skf18("1","9","4","7","7","10","1") = "9"
    & skf18("1","9","4","7","8","1","1") = "8"
    & skf18("1","9","4","7","8","2","1") = "8"
    & skf18("1","9","4","7","8","3","1") = "8"
    & skf18("1","9","4","7","8","4","1") = "8"
    & skf18("1","9","4","7","8","5","1") = "8"
    & skf18("1","9","4","7","8","6","1") = "8"
    & skf18("1","9","4","7","8","7","1") = "8"
    & skf18("1","9","4","7","8","8","1") = "8"
    & skf18("1","9","4","7","8","9","1") = "8"
    & skf18("1","9","4","7","8","10","1") = "9"
    & skf18("1","9","4","7","9","1","1") = "8"
    & skf18("1","9","4","7","9","2","1") = "8"
    & skf18("1","9","4","7","9","3","1") = "8"
    & skf18("1","9","4","7","9","4","1") = "8"
    & skf18("1","9","4","7","9","5","1") = "8"
    & skf18("1","9","4","7","9","6","1") = "8"
    & skf18("1","9","4","7","9","7","1") = "8"
    & skf18("1","9","4","7","9","8","1") = "8"
    & skf18("1","9","4","7","9","9","1") = "8"
    & skf18("1","9","4","7","9","10","1") = "9"
    & skf18("1","9","4","7","10","1","1") = "9"
    & skf18("1","9","4","7","10","2","1") = "9"
    & skf18("1","9","4","7","10","3","1") = "9"
    & skf18("1","9","4","7","10","4","1") = "9"
    & skf18("1","9","4","7","10","5","1") = "9"
    & skf18("1","9","4","7","10","6","1") = "9"
    & skf18("1","9","4","7","10","7","1") = "9"
    & skf18("1","9","4","7","10","8","1") = "9"
    & skf18("1","9","4","7","10","9","1") = "9"
    & skf18("1","9","4","7","10","10","1") = "9"
    & skf18("1","9","4","8","1","1","1") = "8"
    & skf18("1","9","4","8","1","2","1") = "8"
    & skf18("1","9","4","8","1","3","1") = "8"
    & skf18("1","9","4","8","1","4","1") = "8"
    & skf18("1","9","4","8","1","5","1") = "8"
    & skf18("1","9","4","8","1","6","1") = "8"
    & skf18("1","9","4","8","1","7","1") = "8"
    & skf18("1","9","4","8","1","8","1") = "8"
    & skf18("1","9","4","8","1","9","1") = "8"
    & skf18("1","9","4","8","1","10","1") = "9"
    & skf18("1","9","4","8","2","1","1") = "8"
    & skf18("1","9","4","8","2","2","1") = "8"
    & skf18("1","9","4","8","2","3","1") = "8"
    & skf18("1","9","4","8","2","4","1") = "8"
    & skf18("1","9","4","8","2","5","1") = "8"
    & skf18("1","9","4","8","2","6","1") = "8"
    & skf18("1","9","4","8","2","7","1") = "8"
    & skf18("1","9","4","8","2","8","1") = "8"
    & skf18("1","9","4","8","2","9","1") = "8"
    & skf18("1","9","4","8","2","10","1") = "9"
    & skf18("1","9","4","8","3","1","1") = "8"
    & skf18("1","9","4","8","3","2","1") = "8"
    & skf18("1","9","4","8","3","3","1") = "8"
    & skf18("1","9","4","8","3","4","1") = "8"
    & skf18("1","9","4","8","3","5","1") = "8"
    & skf18("1","9","4","8","3","6","1") = "8"
    & skf18("1","9","4","8","3","7","1") = "8"
    & skf18("1","9","4","8","3","8","1") = "8"
    & skf18("1","9","4","8","3","9","1") = "8"
    & skf18("1","9","4","8","3","10","1") = "9"
    & skf18("1","9","4","8","4","1","1") = "8"
    & skf18("1","9","4","8","4","2","1") = "8"
    & skf18("1","9","4","8","4","3","1") = "8"
    & skf18("1","9","4","8","4","4","1") = "8"
    & skf18("1","9","4","8","4","5","1") = "8"
    & skf18("1","9","4","8","4","6","1") = "8"
    & skf18("1","9","4","8","4","7","1") = "8"
    & skf18("1","9","4","8","4","8","1") = "8"
    & skf18("1","9","4","8","4","9","1") = "8"
    & skf18("1","9","4","8","4","10","1") = "9"
    & skf18("1","9","4","8","5","1","1") = "8"
    & skf18("1","9","4","8","5","2","1") = "8"
    & skf18("1","9","4","8","5","3","1") = "8"
    & skf18("1","9","4","8","5","4","1") = "8"
    & skf18("1","9","4","8","5","5","1") = "8"
    & skf18("1","9","4","8","5","6","1") = "8"
    & skf18("1","9","4","8","5","7","1") = "8"
    & skf18("1","9","4","8","5","8","1") = "8"
    & skf18("1","9","4","8","5","9","1") = "8"
    & skf18("1","9","4","8","5","10","1") = "9"
    & skf18("1","9","4","8","6","1","1") = "8"
    & skf18("1","9","4","8","6","2","1") = "8"
    & skf18("1","9","4","8","6","3","1") = "8"
    & skf18("1","9","4","8","6","4","1") = "8"
    & skf18("1","9","4","8","6","5","1") = "8"
    & skf18("1","9","4","8","6","6","1") = "8"
    & skf18("1","9","4","8","6","7","1") = "8"
    & skf18("1","9","4","8","6","8","1") = "8"
    & skf18("1","9","4","8","6","9","1") = "8"
    & skf18("1","9","4","8","6","10","1") = "9"
    & skf18("1","9","4","8","7","1","1") = "8"
    & skf18("1","9","4","8","7","2","1") = "8"
    & skf18("1","9","4","8","7","3","1") = "8"
    & skf18("1","9","4","8","7","4","1") = "8"
    & skf18("1","9","4","8","7","5","1") = "8"
    & skf18("1","9","4","8","7","6","1") = "8"
    & skf18("1","9","4","8","7","7","1") = "8"
    & skf18("1","9","4","8","7","8","1") = "8"
    & skf18("1","9","4","8","7","9","1") = "8"
    & skf18("1","9","4","8","7","10","1") = "9"
    & skf18("1","9","4","8","8","1","1") = "8"
    & skf18("1","9","4","8","8","2","1") = "8"
    & skf18("1","9","4","8","8","3","1") = "8"
    & skf18("1","9","4","8","8","4","1") = "8"
    & skf18("1","9","4","8","8","5","1") = "8"
    & skf18("1","9","4","8","8","6","1") = "8"
    & skf18("1","9","4","8","8","7","1") = "8"
    & skf18("1","9","4","8","8","8","1") = "8"
    & skf18("1","9","4","8","8","9","1") = "8"
    & skf18("1","9","4","8","8","10","1") = "9"
    & skf18("1","9","4","8","9","1","1") = "8"
    & skf18("1","9","4","8","9","2","1") = "8"
    & skf18("1","9","4","8","9","3","1") = "8"
    & skf18("1","9","4","8","9","4","1") = "8"
    & skf18("1","9","4","8","9","5","1") = "8"
    & skf18("1","9","4","8","9","6","1") = "8"
    & skf18("1","9","4","8","9","7","1") = "8"
    & skf18("1","9","4","8","9","8","1") = "8"
    & skf18("1","9","4","8","9","9","1") = "8"
    & skf18("1","9","4","8","9","10","1") = "9"
    & skf18("1","9","4","8","10","1","1") = "9"
    & skf18("1","9","4","8","10","2","1") = "9"
    & skf18("1","9","4","8","10","3","1") = "9"
    & skf18("1","9","4","8","10","4","1") = "9"
    & skf18("1","9","4","8","10","5","1") = "9"
    & skf18("1","9","4","8","10","6","1") = "9"
    & skf18("1","9","4","8","10","7","1") = "9"
    & skf18("1","9","4","8","10","8","1") = "9"
    & skf18("1","9","4","8","10","9","1") = "9"
    & skf18("1","9","4","8","10","10","1") = "9"
    & skf18("1","9","4","9","1","1","1") = "8"
    & skf18("1","9","4","9","1","2","1") = "8"
    & skf18("1","9","4","9","1","3","1") = "8"
    & skf18("1","9","4","9","1","4","1") = "8"
    & skf18("1","9","4","9","1","5","1") = "8"
    & skf18("1","9","4","9","1","6","1") = "8"
    & skf18("1","9","4","9","1","7","1") = "8"
    & skf18("1","9","4","9","1","8","1") = "8"
    & skf18("1","9","4","9","1","9","1") = "8"
    & skf18("1","9","4","9","1","10","1") = "9"
    & skf18("1","9","4","9","2","1","1") = "8"
    & skf18("1","9","4","9","2","2","1") = "8"
    & skf18("1","9","4","9","2","3","1") = "8"
    & skf18("1","9","4","9","2","4","1") = "8"
    & skf18("1","9","4","9","2","5","1") = "8"
    & skf18("1","9","4","9","2","6","1") = "8"
    & skf18("1","9","4","9","2","7","1") = "8"
    & skf18("1","9","4","9","2","8","1") = "8"
    & skf18("1","9","4","9","2","9","1") = "8"
    & skf18("1","9","4","9","2","10","1") = "9"
    & skf18("1","9","4","9","3","1","1") = "8"
    & skf18("1","9","4","9","3","2","1") = "8"
    & skf18("1","9","4","9","3","3","1") = "8"
    & skf18("1","9","4","9","3","4","1") = "8"
    & skf18("1","9","4","9","3","5","1") = "8"
    & skf18("1","9","4","9","3","6","1") = "8"
    & skf18("1","9","4","9","3","7","1") = "8"
    & skf18("1","9","4","9","3","8","1") = "8"
    & skf18("1","9","4","9","3","9","1") = "8"
    & skf18("1","9","4","9","3","10","1") = "9"
    & skf18("1","9","4","9","4","1","1") = "8"
    & skf18("1","9","4","9","4","2","1") = "8"
    & skf18("1","9","4","9","4","3","1") = "8"
    & skf18("1","9","4","9","4","4","1") = "8"
    & skf18("1","9","4","9","4","5","1") = "8"
    & skf18("1","9","4","9","4","6","1") = "8"
    & skf18("1","9","4","9","4","7","1") = "8"
    & skf18("1","9","4","9","4","8","1") = "8"
    & skf18("1","9","4","9","4","9","1") = "8"
    & skf18("1","9","4","9","4","10","1") = "9"
    & skf18("1","9","4","9","5","1","1") = "8"
    & skf18("1","9","4","9","5","2","1") = "8"
    & skf18("1","9","4","9","5","3","1") = "8"
    & skf18("1","9","4","9","5","4","1") = "8"
    & skf18("1","9","4","9","5","5","1") = "8"
    & skf18("1","9","4","9","5","6","1") = "8"
    & skf18("1","9","4","9","5","7","1") = "8"
    & skf18("1","9","4","9","5","8","1") = "8"
    & skf18("1","9","4","9","5","9","1") = "8"
    & skf18("1","9","4","9","5","10","1") = "9"
    & skf18("1","9","4","9","6","1","1") = "8"
    & skf18("1","9","4","9","6","2","1") = "8"
    & skf18("1","9","4","9","6","3","1") = "8"
    & skf18("1","9","4","9","6","4","1") = "8"
    & skf18("1","9","4","9","6","5","1") = "8"
    & skf18("1","9","4","9","6","6","1") = "8"
    & skf18("1","9","4","9","6","7","1") = "8"
    & skf18("1","9","4","9","6","8","1") = "8"
    & skf18("1","9","4","9","6","9","1") = "8"
    & skf18("1","9","4","9","6","10","1") = "9"
    & skf18("1","9","4","9","7","1","1") = "8"
    & skf18("1","9","4","9","7","2","1") = "8"
    & skf18("1","9","4","9","7","3","1") = "8"
    & skf18("1","9","4","9","7","4","1") = "8"
    & skf18("1","9","4","9","7","5","1") = "8"
    & skf18("1","9","4","9","7","6","1") = "8"
    & skf18("1","9","4","9","7","7","1") = "8"
    & skf18("1","9","4","9","7","8","1") = "8"
    & skf18("1","9","4","9","7","9","1") = "8"
    & skf18("1","9","4","9","7","10","1") = "9"
    & skf18("1","9","4","9","8","1","1") = "8"
    & skf18("1","9","4","9","8","2","1") = "8"
    & skf18("1","9","4","9","8","3","1") = "8"
    & skf18("1","9","4","9","8","4","1") = "8"
    & skf18("1","9","4","9","8","5","1") = "8"
    & skf18("1","9","4","9","8","6","1") = "8"
    & skf18("1","9","4","9","8","7","1") = "8"
    & skf18("1","9","4","9","8","8","1") = "8"
    & skf18("1","9","4","9","8","9","1") = "8"
    & skf18("1","9","4","9","8","10","1") = "9"
    & skf18("1","9","4","9","9","1","1") = "8"
    & skf18("1","9","4","9","9","2","1") = "8"
    & skf18("1","9","4","9","9","3","1") = "8"
    & skf18("1","9","4","9","9","4","1") = "8"
    & skf18("1","9","4","9","9","5","1") = "8"
    & skf18("1","9","4","9","9","6","1") = "8"
    & skf18("1","9","4","9","9","7","1") = "8"
    & skf18("1","9","4","9","9","8","1") = "8"
    & skf18("1","9","4","9","9","9","1") = "8"
    & skf18("1","9","4","9","9","10","1") = "9"
    & skf18("1","9","4","9","10","1","1") = "9"
    & skf18("1","9","4","9","10","2","1") = "9"
    & skf18("1","9","4","9","10","3","1") = "9"
    & skf18("1","9","4","9","10","4","1") = "9"
    & skf18("1","9","4","9","10","5","1") = "9"
    & skf18("1","9","4","9","10","6","1") = "9"
    & skf18("1","9","4","9","10","7","1") = "9"
    & skf18("1","9","4","9","10","8","1") = "9"
    & skf18("1","9","4","9","10","9","1") = "9"
    & skf18("1","9","4","9","10","10","1") = "9"
    & skf18("1","9","4","10","1","1","1") = "9"
    & skf18("1","9","4","10","1","2","1") = "9"
    & skf18("1","9","4","10","1","3","1") = "9"
    & skf18("1","9","4","10","1","4","1") = "9"
    & skf18("1","9","4","10","1","5","1") = "9"
    & skf18("1","9","4","10","1","6","1") = "9"
    & skf18("1","9","4","10","1","7","1") = "9"
    & skf18("1","9","4","10","1","8","1") = "9"
    & skf18("1","9","4","10","1","9","1") = "9"
    & skf18("1","9","4","10","1","10","1") = "9"
    & skf18("1","9","4","10","2","1","1") = "9"
    & skf18("1","9","4","10","2","2","1") = "9"
    & skf18("1","9","4","10","2","3","1") = "9"
    & skf18("1","9","4","10","2","4","1") = "9"
    & skf18("1","9","4","10","2","5","1") = "9"
    & skf18("1","9","4","10","2","6","1") = "9"
    & skf18("1","9","4","10","2","7","1") = "9"
    & skf18("1","9","4","10","2","8","1") = "9"
    & skf18("1","9","4","10","2","9","1") = "9"
    & skf18("1","9","4","10","2","10","1") = "9"
    & skf18("1","9","4","10","3","1","1") = "9"
    & skf18("1","9","4","10","3","2","1") = "9"
    & skf18("1","9","4","10","3","3","1") = "9"
    & skf18("1","9","4","10","3","4","1") = "9"
    & skf18("1","9","4","10","3","5","1") = "9"
    & skf18("1","9","4","10","3","6","1") = "9"
    & skf18("1","9","4","10","3","7","1") = "9"
    & skf18("1","9","4","10","3","8","1") = "9"
    & skf18("1","9","4","10","3","9","1") = "9"
    & skf18("1","9","4","10","3","10","1") = "9"
    & skf18("1","9","4","10","4","1","1") = "9"
    & skf18("1","9","4","10","4","2","1") = "9"
    & skf18("1","9","4","10","4","3","1") = "9"
    & skf18("1","9","4","10","4","4","1") = "9"
    & skf18("1","9","4","10","4","5","1") = "9"
    & skf18("1","9","4","10","4","6","1") = "9"
    & skf18("1","9","4","10","4","7","1") = "9"
    & skf18("1","9","4","10","4","8","1") = "9"
    & skf18("1","9","4","10","4","9","1") = "9"
    & skf18("1","9","4","10","4","10","1") = "9"
    & skf18("1","9","4","10","5","1","1") = "9"
    & skf18("1","9","4","10","5","2","1") = "9"
    & skf18("1","9","4","10","5","3","1") = "9"
    & skf18("1","9","4","10","5","4","1") = "9"
    & skf18("1","9","4","10","5","5","1") = "9"
    & skf18("1","9","4","10","5","6","1") = "9"
    & skf18("1","9","4","10","5","7","1") = "9"
    & skf18("1","9","4","10","5","8","1") = "9"
    & skf18("1","9","4","10","5","9","1") = "9"
    & skf18("1","9","4","10","5","10","1") = "9"
    & skf18("1","9","4","10","6","1","1") = "9"
    & skf18("1","9","4","10","6","2","1") = "9"
    & skf18("1","9","4","10","6","3","1") = "9"
    & skf18("1","9","4","10","6","4","1") = "9"
    & skf18("1","9","4","10","6","5","1") = "9"
    & skf18("1","9","4","10","6","6","1") = "9"
    & skf18("1","9","4","10","6","7","1") = "9"
    & skf18("1","9","4","10","6","8","1") = "9"
    & skf18("1","9","4","10","6","9","1") = "9"
    & skf18("1","9","4","10","6","10","1") = "9"
    & skf18("1","9","4","10","7","1","1") = "9"
    & skf18("1","9","4","10","7","2","1") = "9"
    & skf18("1","9","4","10","7","3","1") = "9"
    & skf18("1","9","4","10","7","4","1") = "9"
    & skf18("1","9","4","10","7","5","1") = "9"
    & skf18("1","9","4","10","7","6","1") = "9"
    & skf18("1","9","4","10","7","7","1") = "9"
    & skf18("1","9","4","10","7","8","1") = "9"
    & skf18("1","9","4","10","7","9","1") = "9"
    & skf18("1","9","4","10","7","10","1") = "9"
    & skf18("1","9","4","10","8","1","1") = "9"
    & skf18("1","9","4","10","8","2","1") = "9"
    & skf18("1","9","4","10","8","3","1") = "9"
    & skf18("1","9","4","10","8","4","1") = "9"
    & skf18("1","9","4","10","8","5","1") = "9"
    & skf18("1","9","4","10","8","6","1") = "9"
    & skf18("1","9","4","10","8","7","1") = "9"
    & skf18("1","9","4","10","8","8","1") = "9"
    & skf18("1","9","4","10","8","9","1") = "9"
    & skf18("1","9","4","10","8","10","1") = "9"
    & skf18("1","9","4","10","9","1","1") = "9"
    & skf18("1","9","4","10","9","2","1") = "9"
    & skf18("1","9","4","10","9","3","1") = "9"
    & skf18("1","9","4","10","9","4","1") = "9"
    & skf18("1","9","4","10","9","5","1") = "9"
    & skf18("1","9","4","10","9","6","1") = "9"
    & skf18("1","9","4","10","9","7","1") = "9"
    & skf18("1","9","4","10","9","8","1") = "9"
    & skf18("1","9","4","10","9","9","1") = "9"
    & skf18("1","9","4","10","9","10","1") = "9"
    & skf18("1","9","4","10","10","1","1") = "9"
    & skf18("1","9","4","10","10","2","1") = "9"
    & skf18("1","9","4","10","10","3","1") = "9"
    & skf18("1","9","4","10","10","4","1") = "9"
    & skf18("1","9","4","10","10","5","1") = "9"
    & skf18("1","9","4","10","10","6","1") = "9"
    & skf18("1","9","4","10","10","7","1") = "9"
    & skf18("1","9","4","10","10","8","1") = "9"
    & skf18("1","9","4","10","10","9","1") = "9"
    & skf18("1","9","4","10","10","10","1") = "9"
    & skf18("1","9","5","1","1","1","1") = "8"
    & skf18("1","9","5","1","1","2","1") = "8"
    & skf18("1","9","5","1","1","3","1") = "8"
    & skf18("1","9","5","1","1","4","1") = "8"
    & skf18("1","9","5","1","1","5","1") = "8"
    & skf18("1","9","5","1","1","6","1") = "8"
    & skf18("1","9","5","1","1","7","1") = "8"
    & skf18("1","9","5","1","1","8","1") = "8"
    & skf18("1","9","5","1","1","9","1") = "8"
    & skf18("1","9","5","1","1","10","1") = "9"
    & skf18("1","9","5","1","2","1","1") = "8"
    & skf18("1","9","5","1","2","2","1") = "8"
    & skf18("1","9","5","1","2","3","1") = "8"
    & skf18("1","9","5","1","2","4","1") = "8"
    & skf18("1","9","5","1","2","5","1") = "8"
    & skf18("1","9","5","1","2","6","1") = "8"
    & skf18("1","9","5","1","2","7","1") = "8"
    & skf18("1","9","5","1","2","8","1") = "8"
    & skf18("1","9","5","1","2","9","1") = "8"
    & skf18("1","9","5","1","2","10","1") = "9"
    & skf18("1","9","5","1","3","1","1") = "8"
    & skf18("1","9","5","1","3","2","1") = "8"
    & skf18("1","9","5","1","3","3","1") = "8"
    & skf18("1","9","5","1","3","4","1") = "8"
    & skf18("1","9","5","1","3","5","1") = "8"
    & skf18("1","9","5","1","3","6","1") = "8"
    & skf18("1","9","5","1","3","7","1") = "8"
    & skf18("1","9","5","1","3","8","1") = "8"
    & skf18("1","9","5","1","3","9","1") = "8"
    & skf18("1","9","5","1","3","10","1") = "9"
    & skf18("1","9","5","1","4","1","1") = "8"
    & skf18("1","9","5","1","4","2","1") = "8"
    & skf18("1","9","5","1","4","3","1") = "8"
    & skf18("1","9","5","1","4","4","1") = "8"
    & skf18("1","9","5","1","4","5","1") = "8"
    & skf18("1","9","5","1","4","6","1") = "8"
    & skf18("1","9","5","1","4","7","1") = "8"
    & skf18("1","9","5","1","4","8","1") = "8"
    & skf18("1","9","5","1","4","9","1") = "8"
    & skf18("1","9","5","1","4","10","1") = "9"
    & skf18("1","9","5","1","5","1","1") = "8"
    & skf18("1","9","5","1","5","2","1") = "8"
    & skf18("1","9","5","1","5","3","1") = "8"
    & skf18("1","9","5","1","5","4","1") = "8"
    & skf18("1","9","5","1","5","5","1") = "8"
    & skf18("1","9","5","1","5","6","1") = "8"
    & skf18("1","9","5","1","5","7","1") = "8"
    & skf18("1","9","5","1","5","8","1") = "8"
    & skf18("1","9","5","1","5","9","1") = "8"
    & skf18("1","9","5","1","5","10","1") = "9"
    & skf18("1","9","5","1","6","1","1") = "8"
    & skf18("1","9","5","1","6","2","1") = "8"
    & skf18("1","9","5","1","6","3","1") = "8"
    & skf18("1","9","5","1","6","4","1") = "8"
    & skf18("1","9","5","1","6","5","1") = "8"
    & skf18("1","9","5","1","6","6","1") = "8"
    & skf18("1","9","5","1","6","7","1") = "8"
    & skf18("1","9","5","1","6","8","1") = "8"
    & skf18("1","9","5","1","6","9","1") = "8"
    & skf18("1","9","5","1","6","10","1") = "9"
    & skf18("1","9","5","1","7","1","1") = "8"
    & skf18("1","9","5","1","7","2","1") = "8"
    & skf18("1","9","5","1","7","3","1") = "8"
    & skf18("1","9","5","1","7","4","1") = "8"
    & skf18("1","9","5","1","7","5","1") = "8"
    & skf18("1","9","5","1","7","6","1") = "8"
    & skf18("1","9","5","1","7","7","1") = "8"
    & skf18("1","9","5","1","7","8","1") = "8"
    & skf18("1","9","5","1","7","9","1") = "8"
    & skf18("1","9","5","1","7","10","1") = "9"
    & skf18("1","9","5","1","8","1","1") = "8"
    & skf18("1","9","5","1","8","2","1") = "8"
    & skf18("1","9","5","1","8","3","1") = "8"
    & skf18("1","9","5","1","8","4","1") = "8"
    & skf18("1","9","5","1","8","5","1") = "8"
    & skf18("1","9","5","1","8","6","1") = "8"
    & skf18("1","9","5","1","8","7","1") = "8"
    & skf18("1","9","5","1","8","8","1") = "8"
    & skf18("1","9","5","1","8","9","1") = "8"
    & skf18("1","9","5","1","8","10","1") = "9"
    & skf18("1","9","5","1","9","1","1") = "8"
    & skf18("1","9","5","1","9","2","1") = "8"
    & skf18("1","9","5","1","9","3","1") = "8"
    & skf18("1","9","5","1","9","4","1") = "8"
    & skf18("1","9","5","1","9","5","1") = "8"
    & skf18("1","9","5","1","9","6","1") = "8"
    & skf18("1","9","5","1","9","7","1") = "8"
    & skf18("1","9","5","1","9","8","1") = "8"
    & skf18("1","9","5","1","9","9","1") = "8"
    & skf18("1","9","5","1","9","10","1") = "9"
    & skf18("1","9","5","1","10","1","1") = "9"
    & skf18("1","9","5","1","10","2","1") = "9"
    & skf18("1","9","5","1","10","3","1") = "9"
    & skf18("1","9","5","1","10","4","1") = "9"
    & skf18("1","9","5","1","10","5","1") = "9"
    & skf18("1","9","5","1","10","6","1") = "9"
    & skf18("1","9","5","1","10","7","1") = "9"
    & skf18("1","9","5","1","10","8","1") = "9"
    & skf18("1","9","5","1","10","9","1") = "9"
    & skf18("1","9","5","1","10","10","1") = "9"
    & skf18("1","9","5","2","1","1","1") = "8"
    & skf18("1","9","5","2","1","2","1") = "8"
    & skf18("1","9","5","2","1","3","1") = "8"
    & skf18("1","9","5","2","1","4","1") = "8"
    & skf18("1","9","5","2","1","5","1") = "8"
    & skf18("1","9","5","2","1","6","1") = "8"
    & skf18("1","9","5","2","1","7","1") = "8"
    & skf18("1","9","5","2","1","8","1") = "8"
    & skf18("1","9","5","2","1","9","1") = "8"
    & skf18("1","9","5","2","1","10","1") = "9"
    & skf18("1","9","5","2","2","1","1") = "8"
    & skf18("1","9","5","2","2","2","1") = "8"
    & skf18("1","9","5","2","2","3","1") = "8"
    & skf18("1","9","5","2","2","4","1") = "8"
    & skf18("1","9","5","2","2","5","1") = "8"
    & skf18("1","9","5","2","2","6","1") = "8"
    & skf18("1","9","5","2","2","7","1") = "8"
    & skf18("1","9","5","2","2","8","1") = "8"
    & skf18("1","9","5","2","2","9","1") = "8"
    & skf18("1","9","5","2","2","10","1") = "9"
    & skf18("1","9","5","2","3","1","1") = "8"
    & skf18("1","9","5","2","3","2","1") = "8"
    & skf18("1","9","5","2","3","3","1") = "8"
    & skf18("1","9","5","2","3","4","1") = "8"
    & skf18("1","9","5","2","3","5","1") = "8"
    & skf18("1","9","5","2","3","6","1") = "8"
    & skf18("1","9","5","2","3","7","1") = "8"
    & skf18("1","9","5","2","3","8","1") = "8"
    & skf18("1","9","5","2","3","9","1") = "8"
    & skf18("1","9","5","2","3","10","1") = "9"
    & skf18("1","9","5","2","4","1","1") = "8"
    & skf18("1","9","5","2","4","2","1") = "8"
    & skf18("1","9","5","2","4","3","1") = "8"
    & skf18("1","9","5","2","4","4","1") = "8"
    & skf18("1","9","5","2","4","5","1") = "8"
    & skf18("1","9","5","2","4","6","1") = "8"
    & skf18("1","9","5","2","4","7","1") = "8"
    & skf18("1","9","5","2","4","8","1") = "8"
    & skf18("1","9","5","2","4","9","1") = "8"
    & skf18("1","9","5","2","4","10","1") = "9"
    & skf18("1","9","5","2","5","1","1") = "8"
    & skf18("1","9","5","2","5","2","1") = "8"
    & skf18("1","9","5","2","5","3","1") = "8"
    & skf18("1","9","5","2","5","4","1") = "8"
    & skf18("1","9","5","2","5","5","1") = "8"
    & skf18("1","9","5","2","5","6","1") = "8"
    & skf18("1","9","5","2","5","7","1") = "8"
    & skf18("1","9","5","2","5","8","1") = "8"
    & skf18("1","9","5","2","5","9","1") = "8"
    & skf18("1","9","5","2","5","10","1") = "9"
    & skf18("1","9","5","2","6","1","1") = "8"
    & skf18("1","9","5","2","6","2","1") = "8"
    & skf18("1","9","5","2","6","3","1") = "8"
    & skf18("1","9","5","2","6","4","1") = "8"
    & skf18("1","9","5","2","6","5","1") = "8"
    & skf18("1","9","5","2","6","6","1") = "8"
    & skf18("1","9","5","2","6","7","1") = "8"
    & skf18("1","9","5","2","6","8","1") = "8"
    & skf18("1","9","5","2","6","9","1") = "8"
    & skf18("1","9","5","2","6","10","1") = "9"
    & skf18("1","9","5","2","7","1","1") = "8"
    & skf18("1","9","5","2","7","2","1") = "8"
    & skf18("1","9","5","2","7","3","1") = "8"
    & skf18("1","9","5","2","7","4","1") = "8"
    & skf18("1","9","5","2","7","5","1") = "8"
    & skf18("1","9","5","2","7","6","1") = "8"
    & skf18("1","9","5","2","7","7","1") = "8"
    & skf18("1","9","5","2","7","8","1") = "8"
    & skf18("1","9","5","2","7","9","1") = "8"
    & skf18("1","9","5","2","7","10","1") = "9"
    & skf18("1","9","5","2","8","1","1") = "8"
    & skf18("1","9","5","2","8","2","1") = "8"
    & skf18("1","9","5","2","8","3","1") = "8"
    & skf18("1","9","5","2","8","4","1") = "8"
    & skf18("1","9","5","2","8","5","1") = "8"
    & skf18("1","9","5","2","8","6","1") = "8"
    & skf18("1","9","5","2","8","7","1") = "8"
    & skf18("1","9","5","2","8","8","1") = "8"
    & skf18("1","9","5","2","8","9","1") = "8"
    & skf18("1","9","5","2","8","10","1") = "9"
    & skf18("1","9","5","2","9","1","1") = "8"
    & skf18("1","9","5","2","9","2","1") = "8"
    & skf18("1","9","5","2","9","3","1") = "8"
    & skf18("1","9","5","2","9","4","1") = "8"
    & skf18("1","9","5","2","9","5","1") = "8"
    & skf18("1","9","5","2","9","6","1") = "8"
    & skf18("1","9","5","2","9","7","1") = "8"
    & skf18("1","9","5","2","9","8","1") = "8"
    & skf18("1","9","5","2","9","9","1") = "8"
    & skf18("1","9","5","2","9","10","1") = "9"
    & skf18("1","9","5","2","10","1","1") = "9"
    & skf18("1","9","5","2","10","2","1") = "9"
    & skf18("1","9","5","2","10","3","1") = "9"
    & skf18("1","9","5","2","10","4","1") = "9"
    & skf18("1","9","5","2","10","5","1") = "9"
    & skf18("1","9","5","2","10","6","1") = "9"
    & skf18("1","9","5","2","10","7","1") = "9"
    & skf18("1","9","5","2","10","8","1") = "9"
    & skf18("1","9","5","2","10","9","1") = "9"
    & skf18("1","9","5","2","10","10","1") = "9"
    & skf18("1","9","5","3","1","1","1") = "8"
    & skf18("1","9","5","3","1","2","1") = "8"
    & skf18("1","9","5","3","1","3","1") = "8"
    & skf18("1","9","5","3","1","4","1") = "8"
    & skf18("1","9","5","3","1","5","1") = "8"
    & skf18("1","9","5","3","1","6","1") = "8"
    & skf18("1","9","5","3","1","7","1") = "8"
    & skf18("1","9","5","3","1","8","1") = "8"
    & skf18("1","9","5","3","1","9","1") = "8"
    & skf18("1","9","5","3","1","10","1") = "9"
    & skf18("1","9","5","3","2","1","1") = "8"
    & skf18("1","9","5","3","2","2","1") = "8"
    & skf18("1","9","5","3","2","3","1") = "8"
    & skf18("1","9","5","3","2","4","1") = "8"
    & skf18("1","9","5","3","2","5","1") = "8"
    & skf18("1","9","5","3","2","6","1") = "8"
    & skf18("1","9","5","3","2","7","1") = "8"
    & skf18("1","9","5","3","2","8","1") = "8"
    & skf18("1","9","5","3","2","9","1") = "8"
    & skf18("1","9","5","3","2","10","1") = "9"
    & skf18("1","9","5","3","3","1","1") = "8"
    & skf18("1","9","5","3","3","2","1") = "8"
    & skf18("1","9","5","3","3","3","1") = "8"
    & skf18("1","9","5","3","3","4","1") = "8"
    & skf18("1","9","5","3","3","5","1") = "8"
    & skf18("1","9","5","3","3","6","1") = "8"
    & skf18("1","9","5","3","3","7","1") = "8"
    & skf18("1","9","5","3","3","8","1") = "8"
    & skf18("1","9","5","3","3","9","1") = "8"
    & skf18("1","9","5","3","3","10","1") = "9"
    & skf18("1","9","5","3","4","1","1") = "8"
    & skf18("1","9","5","3","4","2","1") = "8"
    & skf18("1","9","5","3","4","3","1") = "8"
    & skf18("1","9","5","3","4","4","1") = "8"
    & skf18("1","9","5","3","4","5","1") = "8"
    & skf18("1","9","5","3","4","6","1") = "8"
    & skf18("1","9","5","3","4","7","1") = "8"
    & skf18("1","9","5","3","4","8","1") = "8"
    & skf18("1","9","5","3","4","9","1") = "8"
    & skf18("1","9","5","3","4","10","1") = "9"
    & skf18("1","9","5","3","5","1","1") = "8"
    & skf18("1","9","5","3","5","2","1") = "8"
    & skf18("1","9","5","3","5","3","1") = "8"
    & skf18("1","9","5","3","5","4","1") = "8"
    & skf18("1","9","5","3","5","5","1") = "8"
    & skf18("1","9","5","3","5","6","1") = "8"
    & skf18("1","9","5","3","5","7","1") = "8"
    & skf18("1","9","5","3","5","8","1") = "8"
    & skf18("1","9","5","3","5","9","1") = "8"
    & skf18("1","9","5","3","5","10","1") = "9"
    & skf18("1","9","5","3","6","1","1") = "8"
    & skf18("1","9","5","3","6","2","1") = "8"
    & skf18("1","9","5","3","6","3","1") = "8"
    & skf18("1","9","5","3","6","4","1") = "8"
    & skf18("1","9","5","3","6","5","1") = "8"
    & skf18("1","9","5","3","6","6","1") = "8"
    & skf18("1","9","5","3","6","7","1") = "8"
    & skf18("1","9","5","3","6","8","1") = "8"
    & skf18("1","9","5","3","6","9","1") = "8"
    & skf18("1","9","5","3","6","10","1") = "9"
    & skf18("1","9","5","3","7","1","1") = "8"
    & skf18("1","9","5","3","7","2","1") = "8"
    & skf18("1","9","5","3","7","3","1") = "8"
    & skf18("1","9","5","3","7","4","1") = "8"
    & skf18("1","9","5","3","7","5","1") = "8"
    & skf18("1","9","5","3","7","6","1") = "8"
    & skf18("1","9","5","3","7","7","1") = "8"
    & skf18("1","9","5","3","7","8","1") = "8"
    & skf18("1","9","5","3","7","9","1") = "8"
    & skf18("1","9","5","3","7","10","1") = "9"
    & skf18("1","9","5","3","8","1","1") = "8"
    & skf18("1","9","5","3","8","2","1") = "8"
    & skf18("1","9","5","3","8","3","1") = "8"
    & skf18("1","9","5","3","8","4","1") = "8"
    & skf18("1","9","5","3","8","5","1") = "8"
    & skf18("1","9","5","3","8","6","1") = "8"
    & skf18("1","9","5","3","8","7","1") = "8"
    & skf18("1","9","5","3","8","8","1") = "8"
    & skf18("1","9","5","3","8","9","1") = "8"
    & skf18("1","9","5","3","8","10","1") = "9"
    & skf18("1","9","5","3","9","1","1") = "8"
    & skf18("1","9","5","3","9","2","1") = "8"
    & skf18("1","9","5","3","9","3","1") = "8"
    & skf18("1","9","5","3","9","4","1") = "8"
    & skf18("1","9","5","3","9","5","1") = "8"
    & skf18("1","9","5","3","9","6","1") = "8"
    & skf18("1","9","5","3","9","7","1") = "8"
    & skf18("1","9","5","3","9","8","1") = "8"
    & skf18("1","9","5","3","9","9","1") = "8"
    & skf18("1","9","5","3","9","10","1") = "9"
    & skf18("1","9","5","3","10","1","1") = "9"
    & skf18("1","9","5","3","10","2","1") = "9"
    & skf18("1","9","5","3","10","3","1") = "9"
    & skf18("1","9","5","3","10","4","1") = "9"
    & skf18("1","9","5","3","10","5","1") = "9"
    & skf18("1","9","5","3","10","6","1") = "9"
    & skf18("1","9","5","3","10","7","1") = "9"
    & skf18("1","9","5","3","10","8","1") = "9"
    & skf18("1","9","5","3","10","9","1") = "9"
    & skf18("1","9","5","3","10","10","1") = "9"
    & skf18("1","9","5","4","1","1","1") = "8"
    & skf18("1","9","5","4","1","2","1") = "8"
    & skf18("1","9","5","4","1","3","1") = "8"
    & skf18("1","9","5","4","1","4","1") = "8"
    & skf18("1","9","5","4","1","5","1") = "8"
    & skf18("1","9","5","4","1","6","1") = "8"
    & skf18("1","9","5","4","1","7","1") = "8"
    & skf18("1","9","5","4","1","8","1") = "8"
    & skf18("1","9","5","4","1","9","1") = "8"
    & skf18("1","9","5","4","1","10","1") = "9"
    & skf18("1","9","5","4","2","1","1") = "8"
    & skf18("1","9","5","4","2","2","1") = "8"
    & skf18("1","9","5","4","2","3","1") = "8"
    & skf18("1","9","5","4","2","4","1") = "8"
    & skf18("1","9","5","4","2","5","1") = "8"
    & skf18("1","9","5","4","2","6","1") = "8"
    & skf18("1","9","5","4","2","7","1") = "8"
    & skf18("1","9","5","4","2","8","1") = "8"
    & skf18("1","9","5","4","2","9","1") = "8"
    & skf18("1","9","5","4","2","10","1") = "9"
    & skf18("1","9","5","4","3","1","1") = "8"
    & skf18("1","9","5","4","3","2","1") = "8"
    & skf18("1","9","5","4","3","3","1") = "8"
    & skf18("1","9","5","4","3","4","1") = "8"
    & skf18("1","9","5","4","3","5","1") = "8"
    & skf18("1","9","5","4","3","6","1") = "8"
    & skf18("1","9","5","4","3","7","1") = "8"
    & skf18("1","9","5","4","3","8","1") = "8"
    & skf18("1","9","5","4","3","9","1") = "8"
    & skf18("1","9","5","4","3","10","1") = "9"
    & skf18("1","9","5","4","4","1","1") = "8"
    & skf18("1","9","5","4","4","2","1") = "8"
    & skf18("1","9","5","4","4","3","1") = "8"
    & skf18("1","9","5","4","4","4","1") = "8"
    & skf18("1","9","5","4","4","5","1") = "8"
    & skf18("1","9","5","4","4","6","1") = "8"
    & skf18("1","9","5","4","4","7","1") = "8"
    & skf18("1","9","5","4","4","8","1") = "8"
    & skf18("1","9","5","4","4","9","1") = "8"
    & skf18("1","9","5","4","4","10","1") = "9"
    & skf18("1","9","5","4","5","1","1") = "8"
    & skf18("1","9","5","4","5","2","1") = "8"
    & skf18("1","9","5","4","5","3","1") = "8"
    & skf18("1","9","5","4","5","4","1") = "8"
    & skf18("1","9","5","4","5","5","1") = "8"
    & skf18("1","9","5","4","5","6","1") = "8"
    & skf18("1","9","5","4","5","7","1") = "8"
    & skf18("1","9","5","4","5","8","1") = "8"
    & skf18("1","9","5","4","5","9","1") = "8"
    & skf18("1","9","5","4","5","10","1") = "9"
    & skf18("1","9","5","4","6","1","1") = "8"
    & skf18("1","9","5","4","6","2","1") = "8"
    & skf18("1","9","5","4","6","3","1") = "8"
    & skf18("1","9","5","4","6","4","1") = "8"
    & skf18("1","9","5","4","6","5","1") = "8"
    & skf18("1","9","5","4","6","6","1") = "8"
    & skf18("1","9","5","4","6","7","1") = "8"
    & skf18("1","9","5","4","6","8","1") = "8"
    & skf18("1","9","5","4","6","9","1") = "8"
    & skf18("1","9","5","4","6","10","1") = "9"
    & skf18("1","9","5","4","7","1","1") = "8"
    & skf18("1","9","5","4","7","2","1") = "8"
    & skf18("1","9","5","4","7","3","1") = "8"
    & skf18("1","9","5","4","7","4","1") = "8"
    & skf18("1","9","5","4","7","5","1") = "8"
    & skf18("1","9","5","4","7","6","1") = "8"
    & skf18("1","9","5","4","7","7","1") = "8"
    & skf18("1","9","5","4","7","8","1") = "8"
    & skf18("1","9","5","4","7","9","1") = "8"
    & skf18("1","9","5","4","7","10","1") = "9"
    & skf18("1","9","5","4","8","1","1") = "8"
    & skf18("1","9","5","4","8","2","1") = "8"
    & skf18("1","9","5","4","8","3","1") = "8"
    & skf18("1","9","5","4","8","4","1") = "8"
    & skf18("1","9","5","4","8","5","1") = "8"
    & skf18("1","9","5","4","8","6","1") = "8"
    & skf18("1","9","5","4","8","7","1") = "8"
    & skf18("1","9","5","4","8","8","1") = "8"
    & skf18("1","9","5","4","8","9","1") = "8"
    & skf18("1","9","5","4","8","10","1") = "9"
    & skf18("1","9","5","4","9","1","1") = "8"
    & skf18("1","9","5","4","9","2","1") = "8"
    & skf18("1","9","5","4","9","3","1") = "8"
    & skf18("1","9","5","4","9","4","1") = "8"
    & skf18("1","9","5","4","9","5","1") = "8"
    & skf18("1","9","5","4","9","6","1") = "8"
    & skf18("1","9","5","4","9","7","1") = "8"
    & skf18("1","9","5","4","9","8","1") = "8"
    & skf18("1","9","5","4","9","9","1") = "8"
    & skf18("1","9","5","4","9","10","1") = "9"
    & skf18("1","9","5","4","10","1","1") = "9"
    & skf18("1","9","5","4","10","2","1") = "9"
    & skf18("1","9","5","4","10","3","1") = "9"
    & skf18("1","9","5","4","10","4","1") = "9"
    & skf18("1","9","5","4","10","5","1") = "9"
    & skf18("1","9","5","4","10","6","1") = "9"
    & skf18("1","9","5","4","10","7","1") = "9"
    & skf18("1","9","5","4","10","8","1") = "9"
    & skf18("1","9","5","4","10","9","1") = "9"
    & skf18("1","9","5","4","10","10","1") = "9"
    & skf18("1","9","5","5","1","1","1") = "8"
    & skf18("1","9","5","5","1","2","1") = "8"
    & skf18("1","9","5","5","1","3","1") = "8"
    & skf18("1","9","5","5","1","4","1") = "8"
    & skf18("1","9","5","5","1","5","1") = "8"
    & skf18("1","9","5","5","1","6","1") = "8"
    & skf18("1","9","5","5","1","7","1") = "8"
    & skf18("1","9","5","5","1","8","1") = "8"
    & skf18("1","9","5","5","1","9","1") = "8"
    & skf18("1","9","5","5","1","10","1") = "9"
    & skf18("1","9","5","5","2","1","1") = "8"
    & skf18("1","9","5","5","2","2","1") = "8"
    & skf18("1","9","5","5","2","3","1") = "8"
    & skf18("1","9","5","5","2","4","1") = "8"
    & skf18("1","9","5","5","2","5","1") = "8"
    & skf18("1","9","5","5","2","6","1") = "8"
    & skf18("1","9","5","5","2","7","1") = "8"
    & skf18("1","9","5","5","2","8","1") = "8"
    & skf18("1","9","5","5","2","9","1") = "8"
    & skf18("1","9","5","5","2","10","1") = "9"
    & skf18("1","9","5","5","3","1","1") = "8"
    & skf18("1","9","5","5","3","2","1") = "8"
    & skf18("1","9","5","5","3","3","1") = "8"
    & skf18("1","9","5","5","3","4","1") = "8"
    & skf18("1","9","5","5","3","5","1") = "8"
    & skf18("1","9","5","5","3","6","1") = "8"
    & skf18("1","9","5","5","3","7","1") = "8"
    & skf18("1","9","5","5","3","8","1") = "8"
    & skf18("1","9","5","5","3","9","1") = "8"
    & skf18("1","9","5","5","3","10","1") = "9"
    & skf18("1","9","5","5","4","1","1") = "8"
    & skf18("1","9","5","5","4","2","1") = "8"
    & skf18("1","9","5","5","4","3","1") = "8"
    & skf18("1","9","5","5","4","4","1") = "8"
    & skf18("1","9","5","5","4","5","1") = "8"
    & skf18("1","9","5","5","4","6","1") = "8"
    & skf18("1","9","5","5","4","7","1") = "8"
    & skf18("1","9","5","5","4","8","1") = "8"
    & skf18("1","9","5","5","4","9","1") = "8"
    & skf18("1","9","5","5","4","10","1") = "9"
    & skf18("1","9","5","5","5","1","1") = "8"
    & skf18("1","9","5","5","5","2","1") = "8"
    & skf18("1","9","5","5","5","3","1") = "8"
    & skf18("1","9","5","5","5","4","1") = "8"
    & skf18("1","9","5","5","5","5","1") = "8"
    & skf18("1","9","5","5","5","6","1") = "8"
    & skf18("1","9","5","5","5","7","1") = "8"
    & skf18("1","9","5","5","5","8","1") = "8"
    & skf18("1","9","5","5","5","9","1") = "8"
    & skf18("1","9","5","5","5","10","1") = "9"
    & skf18("1","9","5","5","6","1","1") = "8"
    & skf18("1","9","5","5","6","2","1") = "8"
    & skf18("1","9","5","5","6","3","1") = "8"
    & skf18("1","9","5","5","6","4","1") = "8"
    & skf18("1","9","5","5","6","5","1") = "8"
    & skf18("1","9","5","5","6","6","1") = "8"
    & skf18("1","9","5","5","6","7","1") = "8"
    & skf18("1","9","5","5","6","8","1") = "8"
    & skf18("1","9","5","5","6","9","1") = "8"
    & skf18("1","9","5","5","6","10","1") = "9"
    & skf18("1","9","5","5","7","1","1") = "8"
    & skf18("1","9","5","5","7","2","1") = "8"
    & skf18("1","9","5","5","7","3","1") = "8"
    & skf18("1","9","5","5","7","4","1") = "8"
    & skf18("1","9","5","5","7","5","1") = "8"
    & skf18("1","9","5","5","7","6","1") = "8"
    & skf18("1","9","5","5","7","7","1") = "8"
    & skf18("1","9","5","5","7","8","1") = "8"
    & skf18("1","9","5","5","7","9","1") = "8"
    & skf18("1","9","5","5","7","10","1") = "9"
    & skf18("1","9","5","5","8","1","1") = "8"
    & skf18("1","9","5","5","8","2","1") = "8"
    & skf18("1","9","5","5","8","3","1") = "8"
    & skf18("1","9","5","5","8","4","1") = "8"
    & skf18("1","9","5","5","8","5","1") = "8"
    & skf18("1","9","5","5","8","6","1") = "8"
    & skf18("1","9","5","5","8","7","1") = "8"
    & skf18("1","9","5","5","8","8","1") = "8"
    & skf18("1","9","5","5","8","9","1") = "8"
    & skf18("1","9","5","5","8","10","1") = "9"
    & skf18("1","9","5","5","9","1","1") = "8"
    & skf18("1","9","5","5","9","2","1") = "8"
    & skf18("1","9","5","5","9","3","1") = "8"
    & skf18("1","9","5","5","9","4","1") = "8"
    & skf18("1","9","5","5","9","5","1") = "8"
    & skf18("1","9","5","5","9","6","1") = "8"
    & skf18("1","9","5","5","9","7","1") = "8"
    & skf18("1","9","5","5","9","8","1") = "8"
    & skf18("1","9","5","5","9","9","1") = "8"
    & skf18("1","9","5","5","9","10","1") = "9"
    & skf18("1","9","5","5","10","1","1") = "9"
    & skf18("1","9","5","5","10","2","1") = "9"
    & skf18("1","9","5","5","10","3","1") = "9"
    & skf18("1","9","5","5","10","4","1") = "9"
    & skf18("1","9","5","5","10","5","1") = "9"
    & skf18("1","9","5","5","10","6","1") = "9"
    & skf18("1","9","5","5","10","7","1") = "9"
    & skf18("1","9","5","5","10","8","1") = "9"
    & skf18("1","9","5","5","10","9","1") = "9"
    & skf18("1","9","5","5","10","10","1") = "9"
    & skf18("1","9","5","6","1","1","1") = "8"
    & skf18("1","9","5","6","1","2","1") = "8"
    & skf18("1","9","5","6","1","3","1") = "8"
    & skf18("1","9","5","6","1","4","1") = "8"
    & skf18("1","9","5","6","1","5","1") = "8"
    & skf18("1","9","5","6","1","6","1") = "8"
    & skf18("1","9","5","6","1","7","1") = "8"
    & skf18("1","9","5","6","1","8","1") = "8"
    & skf18("1","9","5","6","1","9","1") = "8"
    & skf18("1","9","5","6","1","10","1") = "9"
    & skf18("1","9","5","6","2","1","1") = "8"
    & skf18("1","9","5","6","2","2","1") = "8"
    & skf18("1","9","5","6","2","3","1") = "8"
    & skf18("1","9","5","6","2","4","1") = "8"
    & skf18("1","9","5","6","2","5","1") = "8"
    & skf18("1","9","5","6","2","6","1") = "8"
    & skf18("1","9","5","6","2","7","1") = "8"
    & skf18("1","9","5","6","2","8","1") = "8"
    & skf18("1","9","5","6","2","9","1") = "8"
    & skf18("1","9","5","6","2","10","1") = "9"
    & skf18("1","9","5","6","3","1","1") = "8"
    & skf18("1","9","5","6","3","2","1") = "8"
    & skf18("1","9","5","6","3","3","1") = "8"
    & skf18("1","9","5","6","3","4","1") = "8"
    & skf18("1","9","5","6","3","5","1") = "8"
    & skf18("1","9","5","6","3","6","1") = "8"
    & skf18("1","9","5","6","3","7","1") = "8"
    & skf18("1","9","5","6","3","8","1") = "8"
    & skf18("1","9","5","6","3","9","1") = "8"
    & skf18("1","9","5","6","3","10","1") = "9"
    & skf18("1","9","5","6","4","1","1") = "8"
    & skf18("1","9","5","6","4","2","1") = "8"
    & skf18("1","9","5","6","4","3","1") = "8"
    & skf18("1","9","5","6","4","4","1") = "8"
    & skf18("1","9","5","6","4","5","1") = "8"
    & skf18("1","9","5","6","4","6","1") = "8"
    & skf18("1","9","5","6","4","7","1") = "8"
    & skf18("1","9","5","6","4","8","1") = "8"
    & skf18("1","9","5","6","4","9","1") = "8"
    & skf18("1","9","5","6","4","10","1") = "9"
    & skf18("1","9","5","6","5","1","1") = "8"
    & skf18("1","9","5","6","5","2","1") = "8"
    & skf18("1","9","5","6","5","3","1") = "8"
    & skf18("1","9","5","6","5","4","1") = "8"
    & skf18("1","9","5","6","5","5","1") = "8"
    & skf18("1","9","5","6","5","6","1") = "8"
    & skf18("1","9","5","6","5","7","1") = "8"
    & skf18("1","9","5","6","5","8","1") = "8"
    & skf18("1","9","5","6","5","9","1") = "8"
    & skf18("1","9","5","6","5","10","1") = "9"
    & skf18("1","9","5","6","6","1","1") = "8"
    & skf18("1","9","5","6","6","2","1") = "8"
    & skf18("1","9","5","6","6","3","1") = "8"
    & skf18("1","9","5","6","6","4","1") = "8"
    & skf18("1","9","5","6","6","5","1") = "8"
    & skf18("1","9","5","6","6","6","1") = "8"
    & skf18("1","9","5","6","6","7","1") = "8"
    & skf18("1","9","5","6","6","8","1") = "8"
    & skf18("1","9","5","6","6","9","1") = "8"
    & skf18("1","9","5","6","6","10","1") = "9"
    & skf18("1","9","5","6","7","1","1") = "8"
    & skf18("1","9","5","6","7","2","1") = "8"
    & skf18("1","9","5","6","7","3","1") = "8"
    & skf18("1","9","5","6","7","4","1") = "8"
    & skf18("1","9","5","6","7","5","1") = "8"
    & skf18("1","9","5","6","7","6","1") = "8"
    & skf18("1","9","5","6","7","7","1") = "8"
    & skf18("1","9","5","6","7","8","1") = "8"
    & skf18("1","9","5","6","7","9","1") = "8"
    & skf18("1","9","5","6","7","10","1") = "9"
    & skf18("1","9","5","6","8","1","1") = "8"
    & skf18("1","9","5","6","8","2","1") = "8"
    & skf18("1","9","5","6","8","3","1") = "8"
    & skf18("1","9","5","6","8","4","1") = "8"
    & skf18("1","9","5","6","8","5","1") = "8"
    & skf18("1","9","5","6","8","6","1") = "8"
    & skf18("1","9","5","6","8","7","1") = "8"
    & skf18("1","9","5","6","8","8","1") = "8"
    & skf18("1","9","5","6","8","9","1") = "8"
    & skf18("1","9","5","6","8","10","1") = "9"
    & skf18("1","9","5","6","9","1","1") = "8"
    & skf18("1","9","5","6","9","2","1") = "8"
    & skf18("1","9","5","6","9","3","1") = "8"
    & skf18("1","9","5","6","9","4","1") = "8"
    & skf18("1","9","5","6","9","5","1") = "8"
    & skf18("1","9","5","6","9","6","1") = "8"
    & skf18("1","9","5","6","9","7","1") = "8"
    & skf18("1","9","5","6","9","8","1") = "8"
    & skf18("1","9","5","6","9","9","1") = "8"
    & skf18("1","9","5","6","9","10","1") = "9"
    & skf18("1","9","5","6","10","1","1") = "9"
    & skf18("1","9","5","6","10","2","1") = "9"
    & skf18("1","9","5","6","10","3","1") = "9"
    & skf18("1","9","5","6","10","4","1") = "9"
    & skf18("1","9","5","6","10","5","1") = "9"
    & skf18("1","9","5","6","10","6","1") = "9"
    & skf18("1","9","5","6","10","7","1") = "9"
    & skf18("1","9","5","6","10","8","1") = "9"
    & skf18("1","9","5","6","10","9","1") = "9"
    & skf18("1","9","5","6","10","10","1") = "9"
    & skf18("1","9","5","7","1","1","1") = "8"
    & skf18("1","9","5","7","1","2","1") = "8"
    & skf18("1","9","5","7","1","3","1") = "8"
    & skf18("1","9","5","7","1","4","1") = "8"
    & skf18("1","9","5","7","1","5","1") = "8"
    & skf18("1","9","5","7","1","6","1") = "8"
    & skf18("1","9","5","7","1","7","1") = "8"
    & skf18("1","9","5","7","1","8","1") = "8"
    & skf18("1","9","5","7","1","9","1") = "8"
    & skf18("1","9","5","7","1","10","1") = "9"
    & skf18("1","9","5","7","2","1","1") = "8"
    & skf18("1","9","5","7","2","2","1") = "8"
    & skf18("1","9","5","7","2","3","1") = "8"
    & skf18("1","9","5","7","2","4","1") = "8"
    & skf18("1","9","5","7","2","5","1") = "8"
    & skf18("1","9","5","7","2","6","1") = "8"
    & skf18("1","9","5","7","2","7","1") = "8"
    & skf18("1","9","5","7","2","8","1") = "8"
    & skf18("1","9","5","7","2","9","1") = "8"
    & skf18("1","9","5","7","2","10","1") = "9"
    & skf18("1","9","5","7","3","1","1") = "8"
    & skf18("1","9","5","7","3","2","1") = "8"
    & skf18("1","9","5","7","3","3","1") = "8"
    & skf18("1","9","5","7","3","4","1") = "8"
    & skf18("1","9","5","7","3","5","1") = "8"
    & skf18("1","9","5","7","3","6","1") = "8"
    & skf18("1","9","5","7","3","7","1") = "8"
    & skf18("1","9","5","7","3","8","1") = "8"
    & skf18("1","9","5","7","3","9","1") = "8"
    & skf18("1","9","5","7","3","10","1") = "9"
    & skf18("1","9","5","7","4","1","1") = "8"
    & skf18("1","9","5","7","4","2","1") = "8"
    & skf18("1","9","5","7","4","3","1") = "8"
    & skf18("1","9","5","7","4","4","1") = "8"
    & skf18("1","9","5","7","4","5","1") = "8"
    & skf18("1","9","5","7","4","6","1") = "8"
    & skf18("1","9","5","7","4","7","1") = "8"
    & skf18("1","9","5","7","4","8","1") = "8"
    & skf18("1","9","5","7","4","9","1") = "8"
    & skf18("1","9","5","7","4","10","1") = "9"
    & skf18("1","9","5","7","5","1","1") = "8"
    & skf18("1","9","5","7","5","2","1") = "8"
    & skf18("1","9","5","7","5","3","1") = "8"
    & skf18("1","9","5","7","5","4","1") = "8"
    & skf18("1","9","5","7","5","5","1") = "8"
    & skf18("1","9","5","7","5","6","1") = "8"
    & skf18("1","9","5","7","5","7","1") = "8"
    & skf18("1","9","5","7","5","8","1") = "8"
    & skf18("1","9","5","7","5","9","1") = "8"
    & skf18("1","9","5","7","5","10","1") = "9"
    & skf18("1","9","5","7","6","1","1") = "8"
    & skf18("1","9","5","7","6","2","1") = "8"
    & skf18("1","9","5","7","6","3","1") = "8"
    & skf18("1","9","5","7","6","4","1") = "8"
    & skf18("1","9","5","7","6","5","1") = "8"
    & skf18("1","9","5","7","6","6","1") = "8"
    & skf18("1","9","5","7","6","7","1") = "8"
    & skf18("1","9","5","7","6","8","1") = "8"
    & skf18("1","9","5","7","6","9","1") = "8"
    & skf18("1","9","5","7","6","10","1") = "9"
    & skf18("1","9","5","7","7","1","1") = "8"
    & skf18("1","9","5","7","7","2","1") = "8"
    & skf18("1","9","5","7","7","3","1") = "8"
    & skf18("1","9","5","7","7","4","1") = "8"
    & skf18("1","9","5","7","7","5","1") = "8"
    & skf18("1","9","5","7","7","6","1") = "8"
    & skf18("1","9","5","7","7","7","1") = "8"
    & skf18("1","9","5","7","7","8","1") = "8"
    & skf18("1","9","5","7","7","9","1") = "8"
    & skf18("1","9","5","7","7","10","1") = "9"
    & skf18("1","9","5","7","8","1","1") = "8"
    & skf18("1","9","5","7","8","2","1") = "8"
    & skf18("1","9","5","7","8","3","1") = "8"
    & skf18("1","9","5","7","8","4","1") = "8"
    & skf18("1","9","5","7","8","5","1") = "8"
    & skf18("1","9","5","7","8","6","1") = "8"
    & skf18("1","9","5","7","8","7","1") = "8"
    & skf18("1","9","5","7","8","8","1") = "8"
    & skf18("1","9","5","7","8","9","1") = "8"
    & skf18("1","9","5","7","8","10","1") = "9"
    & skf18("1","9","5","7","9","1","1") = "8"
    & skf18("1","9","5","7","9","2","1") = "8"
    & skf18("1","9","5","7","9","3","1") = "8"
    & skf18("1","9","5","7","9","4","1") = "8"
    & skf18("1","9","5","7","9","5","1") = "8"
    & skf18("1","9","5","7","9","6","1") = "8"
    & skf18("1","9","5","7","9","7","1") = "8"
    & skf18("1","9","5","7","9","8","1") = "8"
    & skf18("1","9","5","7","9","9","1") = "8"
    & skf18("1","9","5","7","9","10","1") = "9"
    & skf18("1","9","5","7","10","1","1") = "9"
    & skf18("1","9","5","7","10","2","1") = "9"
    & skf18("1","9","5","7","10","3","1") = "9"
    & skf18("1","9","5","7","10","4","1") = "9"
    & skf18("1","9","5","7","10","5","1") = "9"
    & skf18("1","9","5","7","10","6","1") = "9"
    & skf18("1","9","5","7","10","7","1") = "9"
    & skf18("1","9","5","7","10","8","1") = "9"
    & skf18("1","9","5","7","10","9","1") = "9"
    & skf18("1","9","5","7","10","10","1") = "9"
    & skf18("1","9","5","8","1","1","1") = "8"
    & skf18("1","9","5","8","1","2","1") = "8"
    & skf18("1","9","5","8","1","3","1") = "8"
    & skf18("1","9","5","8","1","4","1") = "8"
    & skf18("1","9","5","8","1","5","1") = "8"
    & skf18("1","9","5","8","1","6","1") = "8"
    & skf18("1","9","5","8","1","7","1") = "8"
    & skf18("1","9","5","8","1","8","1") = "8"
    & skf18("1","9","5","8","1","9","1") = "8"
    & skf18("1","9","5","8","1","10","1") = "9"
    & skf18("1","9","5","8","2","1","1") = "8"
    & skf18("1","9","5","8","2","2","1") = "8"
    & skf18("1","9","5","8","2","3","1") = "8"
    & skf18("1","9","5","8","2","4","1") = "8"
    & skf18("1","9","5","8","2","5","1") = "8"
    & skf18("1","9","5","8","2","6","1") = "8"
    & skf18("1","9","5","8","2","7","1") = "8"
    & skf18("1","9","5","8","2","8","1") = "8"
    & skf18("1","9","5","8","2","9","1") = "8"
    & skf18("1","9","5","8","2","10","1") = "9"
    & skf18("1","9","5","8","3","1","1") = "8"
    & skf18("1","9","5","8","3","2","1") = "8"
    & skf18("1","9","5","8","3","3","1") = "8"
    & skf18("1","9","5","8","3","4","1") = "8"
    & skf18("1","9","5","8","3","5","1") = "8"
    & skf18("1","9","5","8","3","6","1") = "8"
    & skf18("1","9","5","8","3","7","1") = "8"
    & skf18("1","9","5","8","3","8","1") = "8"
    & skf18("1","9","5","8","3","9","1") = "8"
    & skf18("1","9","5","8","3","10","1") = "9"
    & skf18("1","9","5","8","4","1","1") = "8"
    & skf18("1","9","5","8","4","2","1") = "8"
    & skf18("1","9","5","8","4","3","1") = "8"
    & skf18("1","9","5","8","4","4","1") = "8"
    & skf18("1","9","5","8","4","5","1") = "8"
    & skf18("1","9","5","8","4","6","1") = "8"
    & skf18("1","9","5","8","4","7","1") = "8"
    & skf18("1","9","5","8","4","8","1") = "8"
    & skf18("1","9","5","8","4","9","1") = "8"
    & skf18("1","9","5","8","4","10","1") = "9"
    & skf18("1","9","5","8","5","1","1") = "8"
    & skf18("1","9","5","8","5","2","1") = "8"
    & skf18("1","9","5","8","5","3","1") = "8"
    & skf18("1","9","5","8","5","4","1") = "8"
    & skf18("1","9","5","8","5","5","1") = "8"
    & skf18("1","9","5","8","5","6","1") = "8"
    & skf18("1","9","5","8","5","7","1") = "8"
    & skf18("1","9","5","8","5","8","1") = "8"
    & skf18("1","9","5","8","5","9","1") = "8"
    & skf18("1","9","5","8","5","10","1") = "9"
    & skf18("1","9","5","8","6","1","1") = "8"
    & skf18("1","9","5","8","6","2","1") = "8"
    & skf18("1","9","5","8","6","3","1") = "8"
    & skf18("1","9","5","8","6","4","1") = "8"
    & skf18("1","9","5","8","6","5","1") = "8"
    & skf18("1","9","5","8","6","6","1") = "8"
    & skf18("1","9","5","8","6","7","1") = "8"
    & skf18("1","9","5","8","6","8","1") = "8"
    & skf18("1","9","5","8","6","9","1") = "8"
    & skf18("1","9","5","8","6","10","1") = "9"
    & skf18("1","9","5","8","7","1","1") = "8"
    & skf18("1","9","5","8","7","2","1") = "8"
    & skf18("1","9","5","8","7","3","1") = "8"
    & skf18("1","9","5","8","7","4","1") = "8"
    & skf18("1","9","5","8","7","5","1") = "8"
    & skf18("1","9","5","8","7","6","1") = "8"
    & skf18("1","9","5","8","7","7","1") = "8"
    & skf18("1","9","5","8","7","8","1") = "8"
    & skf18("1","9","5","8","7","9","1") = "8"
    & skf18("1","9","5","8","7","10","1") = "9"
    & skf18("1","9","5","8","8","1","1") = "8"
    & skf18("1","9","5","8","8","2","1") = "8"
    & skf18("1","9","5","8","8","3","1") = "8"
    & skf18("1","9","5","8","8","4","1") = "8"
    & skf18("1","9","5","8","8","5","1") = "8"
    & skf18("1","9","5","8","8","6","1") = "8"
    & skf18("1","9","5","8","8","7","1") = "8"
    & skf18("1","9","5","8","8","8","1") = "8"
    & skf18("1","9","5","8","8","9","1") = "8"
    & skf18("1","9","5","8","8","10","1") = "9"
    & skf18("1","9","5","8","9","1","1") = "8"
    & skf18("1","9","5","8","9","2","1") = "8"
    & skf18("1","9","5","8","9","3","1") = "8"
    & skf18("1","9","5","8","9","4","1") = "8"
    & skf18("1","9","5","8","9","5","1") = "8"
    & skf18("1","9","5","8","9","6","1") = "8"
    & skf18("1","9","5","8","9","7","1") = "8"
    & skf18("1","9","5","8","9","8","1") = "8"
    & skf18("1","9","5","8","9","9","1") = "8"
    & skf18("1","9","5","8","9","10","1") = "9"
    & skf18("1","9","5","8","10","1","1") = "9"
    & skf18("1","9","5","8","10","2","1") = "9"
    & skf18("1","9","5","8","10","3","1") = "9"
    & skf18("1","9","5","8","10","4","1") = "9"
    & skf18("1","9","5","8","10","5","1") = "9"
    & skf18("1","9","5","8","10","6","1") = "9"
    & skf18("1","9","5","8","10","7","1") = "9"
    & skf18("1","9","5","8","10","8","1") = "9"
    & skf18("1","9","5","8","10","9","1") = "9"
    & skf18("1","9","5","8","10","10","1") = "9"
    & skf18("1","9","5","9","1","1","1") = "8"
    & skf18("1","9","5","9","1","2","1") = "8"
    & skf18("1","9","5","9","1","3","1") = "8"
    & skf18("1","9","5","9","1","4","1") = "8"
    & skf18("1","9","5","9","1","5","1") = "8"
    & skf18("1","9","5","9","1","6","1") = "8"
    & skf18("1","9","5","9","1","7","1") = "8"
    & skf18("1","9","5","9","1","8","1") = "8"
    & skf18("1","9","5","9","1","9","1") = "8"
    & skf18("1","9","5","9","1","10","1") = "9"
    & skf18("1","9","5","9","2","1","1") = "8"
    & skf18("1","9","5","9","2","2","1") = "8"
    & skf18("1","9","5","9","2","3","1") = "8"
    & skf18("1","9","5","9","2","4","1") = "8"
    & skf18("1","9","5","9","2","5","1") = "8"
    & skf18("1","9","5","9","2","6","1") = "8"
    & skf18("1","9","5","9","2","7","1") = "8"
    & skf18("1","9","5","9","2","8","1") = "8"
    & skf18("1","9","5","9","2","9","1") = "8"
    & skf18("1","9","5","9","2","10","1") = "9"
    & skf18("1","9","5","9","3","1","1") = "8"
    & skf18("1","9","5","9","3","2","1") = "8"
    & skf18("1","9","5","9","3","3","1") = "8"
    & skf18("1","9","5","9","3","4","1") = "8"
    & skf18("1","9","5","9","3","5","1") = "8"
    & skf18("1","9","5","9","3","6","1") = "8"
    & skf18("1","9","5","9","3","7","1") = "8"
    & skf18("1","9","5","9","3","8","1") = "8"
    & skf18("1","9","5","9","3","9","1") = "8"
    & skf18("1","9","5","9","3","10","1") = "9"
    & skf18("1","9","5","9","4","1","1") = "8"
    & skf18("1","9","5","9","4","2","1") = "8"
    & skf18("1","9","5","9","4","3","1") = "8"
    & skf18("1","9","5","9","4","4","1") = "8"
    & skf18("1","9","5","9","4","5","1") = "8"
    & skf18("1","9","5","9","4","6","1") = "8"
    & skf18("1","9","5","9","4","7","1") = "8"
    & skf18("1","9","5","9","4","8","1") = "8"
    & skf18("1","9","5","9","4","9","1") = "8"
    & skf18("1","9","5","9","4","10","1") = "9"
    & skf18("1","9","5","9","5","1","1") = "8"
    & skf18("1","9","5","9","5","2","1") = "8"
    & skf18("1","9","5","9","5","3","1") = "8"
    & skf18("1","9","5","9","5","4","1") = "8"
    & skf18("1","9","5","9","5","5","1") = "8"
    & skf18("1","9","5","9","5","6","1") = "8"
    & skf18("1","9","5","9","5","7","1") = "8"
    & skf18("1","9","5","9","5","8","1") = "8"
    & skf18("1","9","5","9","5","9","1") = "8"
    & skf18("1","9","5","9","5","10","1") = "9"
    & skf18("1","9","5","9","6","1","1") = "8"
    & skf18("1","9","5","9","6","2","1") = "8"
    & skf18("1","9","5","9","6","3","1") = "8"
    & skf18("1","9","5","9","6","4","1") = "8"
    & skf18("1","9","5","9","6","5","1") = "8"
    & skf18("1","9","5","9","6","6","1") = "8"
    & skf18("1","9","5","9","6","7","1") = "8"
    & skf18("1","9","5","9","6","8","1") = "8"
    & skf18("1","9","5","9","6","9","1") = "8"
    & skf18("1","9","5","9","6","10","1") = "9"
    & skf18("1","9","5","9","7","1","1") = "8"
    & skf18("1","9","5","9","7","2","1") = "8"
    & skf18("1","9","5","9","7","3","1") = "8"
    & skf18("1","9","5","9","7","4","1") = "8"
    & skf18("1","9","5","9","7","5","1") = "8"
    & skf18("1","9","5","9","7","6","1") = "8"
    & skf18("1","9","5","9","7","7","1") = "8"
    & skf18("1","9","5","9","7","8","1") = "8"
    & skf18("1","9","5","9","7","9","1") = "8"
    & skf18("1","9","5","9","7","10","1") = "9"
    & skf18("1","9","5","9","8","1","1") = "8"
    & skf18("1","9","5","9","8","2","1") = "8"
    & skf18("1","9","5","9","8","3","1") = "8"
    & skf18("1","9","5","9","8","4","1") = "8"
    & skf18("1","9","5","9","8","5","1") = "8"
    & skf18("1","9","5","9","8","6","1") = "8"
    & skf18("1","9","5","9","8","7","1") = "8"
    & skf18("1","9","5","9","8","8","1") = "8"
    & skf18("1","9","5","9","8","9","1") = "8"
    & skf18("1","9","5","9","8","10","1") = "9"
    & skf18("1","9","5","9","9","1","1") = "8"
    & skf18("1","9","5","9","9","2","1") = "8"
    & skf18("1","9","5","9","9","3","1") = "8"
    & skf18("1","9","5","9","9","4","1") = "8"
    & skf18("1","9","5","9","9","5","1") = "8"
    & skf18("1","9","5","9","9","6","1") = "8"
    & skf18("1","9","5","9","9","7","1") = "8"
    & skf18("1","9","5","9","9","8","1") = "8"
    & skf18("1","9","5","9","9","9","1") = "8"
    & skf18("1","9","5","9","9","10","1") = "9"
    & skf18("1","9","5","9","10","1","1") = "9"
    & skf18("1","9","5","9","10","2","1") = "9"
    & skf18("1","9","5","9","10","3","1") = "9"
    & skf18("1","9","5","9","10","4","1") = "9"
    & skf18("1","9","5","9","10","5","1") = "9"
    & skf18("1","9","5","9","10","6","1") = "9"
    & skf18("1","9","5","9","10","7","1") = "9"
    & skf18("1","9","5","9","10","8","1") = "9"
    & skf18("1","9","5","9","10","9","1") = "9"
    & skf18("1","9","5","9","10","10","1") = "9"
    & skf18("1","9","5","10","1","1","1") = "9"
    & skf18("1","9","5","10","1","2","1") = "9"
    & skf18("1","9","5","10","1","3","1") = "9"
    & skf18("1","9","5","10","1","4","1") = "9"
    & skf18("1","9","5","10","1","5","1") = "9"
    & skf18("1","9","5","10","1","6","1") = "9"
    & skf18("1","9","5","10","1","7","1") = "9"
    & skf18("1","9","5","10","1","8","1") = "9"
    & skf18("1","9","5","10","1","9","1") = "9"
    & skf18("1","9","5","10","1","10","1") = "9"
    & skf18("1","9","5","10","2","1","1") = "9"
    & skf18("1","9","5","10","2","2","1") = "9"
    & skf18("1","9","5","10","2","3","1") = "9"
    & skf18("1","9","5","10","2","4","1") = "9"
    & skf18("1","9","5","10","2","5","1") = "9"
    & skf18("1","9","5","10","2","6","1") = "9"
    & skf18("1","9","5","10","2","7","1") = "9"
    & skf18("1","9","5","10","2","8","1") = "9"
    & skf18("1","9","5","10","2","9","1") = "9"
    & skf18("1","9","5","10","2","10","1") = "9"
    & skf18("1","9","5","10","3","1","1") = "9"
    & skf18("1","9","5","10","3","2","1") = "9"
    & skf18("1","9","5","10","3","3","1") = "9"
    & skf18("1","9","5","10","3","4","1") = "9"
    & skf18("1","9","5","10","3","5","1") = "9"
    & skf18("1","9","5","10","3","6","1") = "9"
    & skf18("1","9","5","10","3","7","1") = "9"
    & skf18("1","9","5","10","3","8","1") = "9"
    & skf18("1","9","5","10","3","9","1") = "9"
    & skf18("1","9","5","10","3","10","1") = "9"
    & skf18("1","9","5","10","4","1","1") = "9"
    & skf18("1","9","5","10","4","2","1") = "9"
    & skf18("1","9","5","10","4","3","1") = "9"
    & skf18("1","9","5","10","4","4","1") = "9"
    & skf18("1","9","5","10","4","5","1") = "9"
    & skf18("1","9","5","10","4","6","1") = "9"
    & skf18("1","9","5","10","4","7","1") = "9"
    & skf18("1","9","5","10","4","8","1") = "9"
    & skf18("1","9","5","10","4","9","1") = "9"
    & skf18("1","9","5","10","4","10","1") = "9"
    & skf18("1","9","5","10","5","1","1") = "9"
    & skf18("1","9","5","10","5","2","1") = "9"
    & skf18("1","9","5","10","5","3","1") = "9"
    & skf18("1","9","5","10","5","4","1") = "9"
    & skf18("1","9","5","10","5","5","1") = "9"
    & skf18("1","9","5","10","5","6","1") = "9"
    & skf18("1","9","5","10","5","7","1") = "9"
    & skf18("1","9","5","10","5","8","1") = "9"
    & skf18("1","9","5","10","5","9","1") = "9"
    & skf18("1","9","5","10","5","10","1") = "9"
    & skf18("1","9","5","10","6","1","1") = "9"
    & skf18("1","9","5","10","6","2","1") = "9"
    & skf18("1","9","5","10","6","3","1") = "9"
    & skf18("1","9","5","10","6","4","1") = "9"
    & skf18("1","9","5","10","6","5","1") = "9"
    & skf18("1","9","5","10","6","6","1") = "9"
    & skf18("1","9","5","10","6","7","1") = "9"
    & skf18("1","9","5","10","6","8","1") = "9"
    & skf18("1","9","5","10","6","9","1") = "9"
    & skf18("1","9","5","10","6","10","1") = "9"
    & skf18("1","9","5","10","7","1","1") = "9"
    & skf18("1","9","5","10","7","2","1") = "9"
    & skf18("1","9","5","10","7","3","1") = "9"
    & skf18("1","9","5","10","7","4","1") = "9"
    & skf18("1","9","5","10","7","5","1") = "9"
    & skf18("1","9","5","10","7","6","1") = "9"
    & skf18("1","9","5","10","7","7","1") = "9"
    & skf18("1","9","5","10","7","8","1") = "9"
    & skf18("1","9","5","10","7","9","1") = "9"
    & skf18("1","9","5","10","7","10","1") = "9"
    & skf18("1","9","5","10","8","1","1") = "9"
    & skf18("1","9","5","10","8","2","1") = "9"
    & skf18("1","9","5","10","8","3","1") = "9"
    & skf18("1","9","5","10","8","4","1") = "9"
    & skf18("1","9","5","10","8","5","1") = "9"
    & skf18("1","9","5","10","8","6","1") = "9"
    & skf18("1","9","5","10","8","7","1") = "9"
    & skf18("1","9","5","10","8","8","1") = "9"
    & skf18("1","9","5","10","8","9","1") = "9"
    & skf18("1","9","5","10","8","10","1") = "9"
    & skf18("1","9","5","10","9","1","1") = "9"
    & skf18("1","9","5","10","9","2","1") = "9"
    & skf18("1","9","5","10","9","3","1") = "9"
    & skf18("1","9","5","10","9","4","1") = "9"
    & skf18("1","9","5","10","9","5","1") = "9"
    & skf18("1","9","5","10","9","6","1") = "9"
    & skf18("1","9","5","10","9","7","1") = "9"
    & skf18("1","9","5","10","9","8","1") = "9"
    & skf18("1","9","5","10","9","9","1") = "9"
    & skf18("1","9","5","10","9","10","1") = "9"
    & skf18("1","9","5","10","10","1","1") = "9"
    & skf18("1","9","5","10","10","2","1") = "9"
    & skf18("1","9","5","10","10","3","1") = "9"
    & skf18("1","9","5","10","10","4","1") = "9"
    & skf18("1","9","5","10","10","5","1") = "9"
    & skf18("1","9","5","10","10","6","1") = "9"
    & skf18("1","9","5","10","10","7","1") = "9"
    & skf18("1","9","5","10","10","8","1") = "9"
    & skf18("1","9","5","10","10","9","1") = "9"
    & skf18("1","9","5","10","10","10","1") = "9"
    & skf18("1","9","6","1","1","1","1") = "8"
    & skf18("1","9","6","1","1","2","1") = "8"
    & skf18("1","9","6","1","1","3","1") = "8"
    & skf18("1","9","6","1","1","4","1") = "8"
    & skf18("1","9","6","1","1","5","1") = "8"
    & skf18("1","9","6","1","1","6","1") = "8"
    & skf18("1","9","6","1","1","7","1") = "8"
    & skf18("1","9","6","1","1","8","1") = "8"
    & skf18("1","9","6","1","1","9","1") = "8"
    & skf18("1","9","6","1","1","10","1") = "9"
    & skf18("1","9","6","1","2","1","1") = "8"
    & skf18("1","9","6","1","2","2","1") = "8"
    & skf18("1","9","6","1","2","3","1") = "8"
    & skf18("1","9","6","1","2","4","1") = "8"
    & skf18("1","9","6","1","2","5","1") = "8"
    & skf18("1","9","6","1","2","6","1") = "8"
    & skf18("1","9","6","1","2","7","1") = "8"
    & skf18("1","9","6","1","2","8","1") = "8"
    & skf18("1","9","6","1","2","9","1") = "8"
    & skf18("1","9","6","1","2","10","1") = "9"
    & skf18("1","9","6","1","3","1","1") = "8"
    & skf18("1","9","6","1","3","2","1") = "8"
    & skf18("1","9","6","1","3","3","1") = "8"
    & skf18("1","9","6","1","3","4","1") = "8"
    & skf18("1","9","6","1","3","5","1") = "8"
    & skf18("1","9","6","1","3","6","1") = "8"
    & skf18("1","9","6","1","3","7","1") = "8"
    & skf18("1","9","6","1","3","8","1") = "8"
    & skf18("1","9","6","1","3","9","1") = "8"
    & skf18("1","9","6","1","3","10","1") = "9"
    & skf18("1","9","6","1","4","1","1") = "8"
    & skf18("1","9","6","1","4","2","1") = "8"
    & skf18("1","9","6","1","4","3","1") = "8"
    & skf18("1","9","6","1","4","4","1") = "8"
    & skf18("1","9","6","1","4","5","1") = "8"
    & skf18("1","9","6","1","4","6","1") = "8"
    & skf18("1","9","6","1","4","7","1") = "8"
    & skf18("1","9","6","1","4","8","1") = "8"
    & skf18("1","9","6","1","4","9","1") = "8"
    & skf18("1","9","6","1","4","10","1") = "9"
    & skf18("1","9","6","1","5","1","1") = "8"
    & skf18("1","9","6","1","5","2","1") = "8"
    & skf18("1","9","6","1","5","3","1") = "8"
    & skf18("1","9","6","1","5","4","1") = "8"
    & skf18("1","9","6","1","5","5","1") = "8"
    & skf18("1","9","6","1","5","6","1") = "8"
    & skf18("1","9","6","1","5","7","1") = "8"
    & skf18("1","9","6","1","5","8","1") = "8"
    & skf18("1","9","6","1","5","9","1") = "8"
    & skf18("1","9","6","1","5","10","1") = "9"
    & skf18("1","9","6","1","6","1","1") = "8"
    & skf18("1","9","6","1","6","2","1") = "8"
    & skf18("1","9","6","1","6","3","1") = "8"
    & skf18("1","9","6","1","6","4","1") = "8"
    & skf18("1","9","6","1","6","5","1") = "8"
    & skf18("1","9","6","1","6","6","1") = "8"
    & skf18("1","9","6","1","6","7","1") = "8"
    & skf18("1","9","6","1","6","8","1") = "8"
    & skf18("1","9","6","1","6","9","1") = "8"
    & skf18("1","9","6","1","6","10","1") = "9"
    & skf18("1","9","6","1","7","1","1") = "8"
    & skf18("1","9","6","1","7","2","1") = "8"
    & skf18("1","9","6","1","7","3","1") = "8"
    & skf18("1","9","6","1","7","4","1") = "8"
    & skf18("1","9","6","1","7","5","1") = "8"
    & skf18("1","9","6","1","7","6","1") = "8"
    & skf18("1","9","6","1","7","7","1") = "8"
    & skf18("1","9","6","1","7","8","1") = "8"
    & skf18("1","9","6","1","7","9","1") = "8"
    & skf18("1","9","6","1","7","10","1") = "9"
    & skf18("1","9","6","1","8","1","1") = "8"
    & skf18("1","9","6","1","8","2","1") = "8"
    & skf18("1","9","6","1","8","3","1") = "8"
    & skf18("1","9","6","1","8","4","1") = "8"
    & skf18("1","9","6","1","8","5","1") = "8"
    & skf18("1","9","6","1","8","6","1") = "8"
    & skf18("1","9","6","1","8","7","1") = "8"
    & skf18("1","9","6","1","8","8","1") = "8"
    & skf18("1","9","6","1","8","9","1") = "8"
    & skf18("1","9","6","1","8","10","1") = "9"
    & skf18("1","9","6","1","9","1","1") = "8"
    & skf18("1","9","6","1","9","2","1") = "8"
    & skf18("1","9","6","1","9","3","1") = "8"
    & skf18("1","9","6","1","9","4","1") = "8"
    & skf18("1","9","6","1","9","5","1") = "8"
    & skf18("1","9","6","1","9","6","1") = "8"
    & skf18("1","9","6","1","9","7","1") = "8"
    & skf18("1","9","6","1","9","8","1") = "8"
    & skf18("1","9","6","1","9","9","1") = "8"
    & skf18("1","9","6","1","9","10","1") = "9"
    & skf18("1","9","6","1","10","1","1") = "9"
    & skf18("1","9","6","1","10","2","1") = "9"
    & skf18("1","9","6","1","10","3","1") = "9"
    & skf18("1","9","6","1","10","4","1") = "9"
    & skf18("1","9","6","1","10","5","1") = "9"
    & skf18("1","9","6","1","10","6","1") = "9"
    & skf18("1","9","6","1","10","7","1") = "9"
    & skf18("1","9","6","1","10","8","1") = "9"
    & skf18("1","9","6","1","10","9","1") = "9"
    & skf18("1","9","6","1","10","10","1") = "9"
    & skf18("1","9","6","2","1","1","1") = "8"
    & skf18("1","9","6","2","1","2","1") = "8"
    & skf18("1","9","6","2","1","3","1") = "8"
    & skf18("1","9","6","2","1","4","1") = "8"
    & skf18("1","9","6","2","1","5","1") = "8"
    & skf18("1","9","6","2","1","6","1") = "8"
    & skf18("1","9","6","2","1","7","1") = "8"
    & skf18("1","9","6","2","1","8","1") = "8"
    & skf18("1","9","6","2","1","9","1") = "8"
    & skf18("1","9","6","2","1","10","1") = "9"
    & skf18("1","9","6","2","2","1","1") = "8"
    & skf18("1","9","6","2","2","2","1") = "8"
    & skf18("1","9","6","2","2","3","1") = "8"
    & skf18("1","9","6","2","2","4","1") = "8"
    & skf18("1","9","6","2","2","5","1") = "8"
    & skf18("1","9","6","2","2","6","1") = "8"
    & skf18("1","9","6","2","2","7","1") = "8"
    & skf18("1","9","6","2","2","8","1") = "8"
    & skf18("1","9","6","2","2","9","1") = "8"
    & skf18("1","9","6","2","2","10","1") = "9"
    & skf18("1","9","6","2","3","1","1") = "8"
    & skf18("1","9","6","2","3","2","1") = "8"
    & skf18("1","9","6","2","3","3","1") = "8"
    & skf18("1","9","6","2","3","4","1") = "8"
    & skf18("1","9","6","2","3","5","1") = "8"
    & skf18("1","9","6","2","3","6","1") = "8"
    & skf18("1","9","6","2","3","7","1") = "8"
    & skf18("1","9","6","2","3","8","1") = "8"
    & skf18("1","9","6","2","3","9","1") = "8"
    & skf18("1","9","6","2","3","10","1") = "9"
    & skf18("1","9","6","2","4","1","1") = "8"
    & skf18("1","9","6","2","4","2","1") = "8"
    & skf18("1","9","6","2","4","3","1") = "8"
    & skf18("1","9","6","2","4","4","1") = "8"
    & skf18("1","9","6","2","4","5","1") = "8"
    & skf18("1","9","6","2","4","6","1") = "8"
    & skf18("1","9","6","2","4","7","1") = "8"
    & skf18("1","9","6","2","4","8","1") = "8"
    & skf18("1","9","6","2","4","9","1") = "8"
    & skf18("1","9","6","2","4","10","1") = "9"
    & skf18("1","9","6","2","5","1","1") = "8"
    & skf18("1","9","6","2","5","2","1") = "8"
    & skf18("1","9","6","2","5","3","1") = "8"
    & skf18("1","9","6","2","5","4","1") = "8"
    & skf18("1","9","6","2","5","5","1") = "8"
    & skf18("1","9","6","2","5","6","1") = "8"
    & skf18("1","9","6","2","5","7","1") = "8"
    & skf18("1","9","6","2","5","8","1") = "8"
    & skf18("1","9","6","2","5","9","1") = "8"
    & skf18("1","9","6","2","5","10","1") = "9"
    & skf18("1","9","6","2","6","1","1") = "8"
    & skf18("1","9","6","2","6","2","1") = "8"
    & skf18("1","9","6","2","6","3","1") = "8"
    & skf18("1","9","6","2","6","4","1") = "8"
    & skf18("1","9","6","2","6","5","1") = "8"
    & skf18("1","9","6","2","6","6","1") = "8"
    & skf18("1","9","6","2","6","7","1") = "8"
    & skf18("1","9","6","2","6","8","1") = "8"
    & skf18("1","9","6","2","6","9","1") = "8"
    & skf18("1","9","6","2","6","10","1") = "9"
    & skf18("1","9","6","2","7","1","1") = "8"
    & skf18("1","9","6","2","7","2","1") = "8"
    & skf18("1","9","6","2","7","3","1") = "8"
    & skf18("1","9","6","2","7","4","1") = "8"
    & skf18("1","9","6","2","7","5","1") = "8"
    & skf18("1","9","6","2","7","6","1") = "8"
    & skf18("1","9","6","2","7","7","1") = "8"
    & skf18("1","9","6","2","7","8","1") = "8"
    & skf18("1","9","6","2","7","9","1") = "8"
    & skf18("1","9","6","2","7","10","1") = "9"
    & skf18("1","9","6","2","8","1","1") = "8"
    & skf18("1","9","6","2","8","2","1") = "8"
    & skf18("1","9","6","2","8","3","1") = "8"
    & skf18("1","9","6","2","8","4","1") = "8"
    & skf18("1","9","6","2","8","5","1") = "8"
    & skf18("1","9","6","2","8","6","1") = "8"
    & skf18("1","9","6","2","8","7","1") = "8"
    & skf18("1","9","6","2","8","8","1") = "8"
    & skf18("1","9","6","2","8","9","1") = "8"
    & skf18("1","9","6","2","8","10","1") = "9"
    & skf18("1","9","6","2","9","1","1") = "8"
    & skf18("1","9","6","2","9","2","1") = "8"
    & skf18("1","9","6","2","9","3","1") = "8"
    & skf18("1","9","6","2","9","4","1") = "8"
    & skf18("1","9","6","2","9","5","1") = "8"
    & skf18("1","9","6","2","9","6","1") = "8"
    & skf18("1","9","6","2","9","7","1") = "8"
    & skf18("1","9","6","2","9","8","1") = "8"
    & skf18("1","9","6","2","9","9","1") = "8"
    & skf18("1","9","6","2","9","10","1") = "9"
    & skf18("1","9","6","2","10","1","1") = "9"
    & skf18("1","9","6","2","10","2","1") = "9"
    & skf18("1","9","6","2","10","3","1") = "9"
    & skf18("1","9","6","2","10","4","1") = "9"
    & skf18("1","9","6","2","10","5","1") = "9"
    & skf18("1","9","6","2","10","6","1") = "9"
    & skf18("1","9","6","2","10","7","1") = "9"
    & skf18("1","9","6","2","10","8","1") = "9"
    & skf18("1","9","6","2","10","9","1") = "9"
    & skf18("1","9","6","2","10","10","1") = "9"
    & skf18("1","9","6","3","1","1","1") = "8"
    & skf18("1","9","6","3","1","2","1") = "8"
    & skf18("1","9","6","3","1","3","1") = "8"
    & skf18("1","9","6","3","1","4","1") = "8"
    & skf18("1","9","6","3","1","5","1") = "8"
    & skf18("1","9","6","3","1","6","1") = "8"
    & skf18("1","9","6","3","1","7","1") = "8"
    & skf18("1","9","6","3","1","8","1") = "8"
    & skf18("1","9","6","3","1","9","1") = "8"
    & skf18("1","9","6","3","1","10","1") = "9"
    & skf18("1","9","6","3","2","1","1") = "8"
    & skf18("1","9","6","3","2","2","1") = "8"
    & skf18("1","9","6","3","2","3","1") = "8"
    & skf18("1","9","6","3","2","4","1") = "8"
    & skf18("1","9","6","3","2","5","1") = "8"
    & skf18("1","9","6","3","2","6","1") = "8"
    & skf18("1","9","6","3","2","7","1") = "8"
    & skf18("1","9","6","3","2","8","1") = "8"
    & skf18("1","9","6","3","2","9","1") = "8"
    & skf18("1","9","6","3","2","10","1") = "9"
    & skf18("1","9","6","3","3","1","1") = "8"
    & skf18("1","9","6","3","3","2","1") = "8"
    & skf18("1","9","6","3","3","3","1") = "8"
    & skf18("1","9","6","3","3","4","1") = "8"
    & skf18("1","9","6","3","3","5","1") = "8"
    & skf18("1","9","6","3","3","6","1") = "8"
    & skf18("1","9","6","3","3","7","1") = "8"
    & skf18("1","9","6","3","3","8","1") = "8"
    & skf18("1","9","6","3","3","9","1") = "8"
    & skf18("1","9","6","3","3","10","1") = "9"
    & skf18("1","9","6","3","4","1","1") = "8"
    & skf18("1","9","6","3","4","2","1") = "8"
    & skf18("1","9","6","3","4","3","1") = "8"
    & skf18("1","9","6","3","4","4","1") = "8"
    & skf18("1","9","6","3","4","5","1") = "8"
    & skf18("1","9","6","3","4","6","1") = "8"
    & skf18("1","9","6","3","4","7","1") = "8"
    & skf18("1","9","6","3","4","8","1") = "8"
    & skf18("1","9","6","3","4","9","1") = "8"
    & skf18("1","9","6","3","4","10","1") = "9"
    & skf18("1","9","6","3","5","1","1") = "8"
    & skf18("1","9","6","3","5","2","1") = "8"
    & skf18("1","9","6","3","5","3","1") = "8"
    & skf18("1","9","6","3","5","4","1") = "8"
    & skf18("1","9","6","3","5","5","1") = "8"
    & skf18("1","9","6","3","5","6","1") = "8"
    & skf18("1","9","6","3","5","7","1") = "8"
    & skf18("1","9","6","3","5","8","1") = "8"
    & skf18("1","9","6","3","5","9","1") = "8"
    & skf18("1","9","6","3","5","10","1") = "9"
    & skf18("1","9","6","3","6","1","1") = "8"
    & skf18("1","9","6","3","6","2","1") = "8"
    & skf18("1","9","6","3","6","3","1") = "8"
    & skf18("1","9","6","3","6","4","1") = "8"
    & skf18("1","9","6","3","6","5","1") = "8"
    & skf18("1","9","6","3","6","6","1") = "8"
    & skf18("1","9","6","3","6","7","1") = "8"
    & skf18("1","9","6","3","6","8","1") = "8"
    & skf18("1","9","6","3","6","9","1") = "8"
    & skf18("1","9","6","3","6","10","1") = "9"
    & skf18("1","9","6","3","7","1","1") = "8"
    & skf18("1","9","6","3","7","2","1") = "8"
    & skf18("1","9","6","3","7","3","1") = "8"
    & skf18("1","9","6","3","7","4","1") = "8"
    & skf18("1","9","6","3","7","5","1") = "8"
    & skf18("1","9","6","3","7","6","1") = "8"
    & skf18("1","9","6","3","7","7","1") = "8"
    & skf18("1","9","6","3","7","8","1") = "8"
    & skf18("1","9","6","3","7","9","1") = "8"
    & skf18("1","9","6","3","7","10","1") = "9"
    & skf18("1","9","6","3","8","1","1") = "8"
    & skf18("1","9","6","3","8","2","1") = "8"
    & skf18("1","9","6","3","8","3","1") = "8"
    & skf18("1","9","6","3","8","4","1") = "8"
    & skf18("1","9","6","3","8","5","1") = "8"
    & skf18("1","9","6","3","8","6","1") = "8"
    & skf18("1","9","6","3","8","7","1") = "8"
    & skf18("1","9","6","3","8","8","1") = "8"
    & skf18("1","9","6","3","8","9","1") = "8"
    & skf18("1","9","6","3","8","10","1") = "9"
    & skf18("1","9","6","3","9","1","1") = "8"
    & skf18("1","9","6","3","9","2","1") = "8"
    & skf18("1","9","6","3","9","3","1") = "8"
    & skf18("1","9","6","3","9","4","1") = "8"
    & skf18("1","9","6","3","9","5","1") = "8"
    & skf18("1","9","6","3","9","6","1") = "8"
    & skf18("1","9","6","3","9","7","1") = "8"
    & skf18("1","9","6","3","9","8","1") = "8"
    & skf18("1","9","6","3","9","9","1") = "8"
    & skf18("1","9","6","3","9","10","1") = "9"
    & skf18("1","9","6","3","10","1","1") = "9"
    & skf18("1","9","6","3","10","2","1") = "9"
    & skf18("1","9","6","3","10","3","1") = "9"
    & skf18("1","9","6","3","10","4","1") = "9"
    & skf18("1","9","6","3","10","5","1") = "9"
    & skf18("1","9","6","3","10","6","1") = "9"
    & skf18("1","9","6","3","10","7","1") = "9"
    & skf18("1","9","6","3","10","8","1") = "9"
    & skf18("1","9","6","3","10","9","1") = "9"
    & skf18("1","9","6","3","10","10","1") = "9"
    & skf18("1","9","6","4","1","1","1") = "8"
    & skf18("1","9","6","4","1","2","1") = "8"
    & skf18("1","9","6","4","1","3","1") = "8"
    & skf18("1","9","6","4","1","4","1") = "8"
    & skf18("1","9","6","4","1","5","1") = "8"
    & skf18("1","9","6","4","1","6","1") = "8"
    & skf18("1","9","6","4","1","7","1") = "8"
    & skf18("1","9","6","4","1","8","1") = "8"
    & skf18("1","9","6","4","1","9","1") = "8"
    & skf18("1","9","6","4","1","10","1") = "9"
    & skf18("1","9","6","4","2","1","1") = "8"
    & skf18("1","9","6","4","2","2","1") = "8"
    & skf18("1","9","6","4","2","3","1") = "8"
    & skf18("1","9","6","4","2","4","1") = "8"
    & skf18("1","9","6","4","2","5","1") = "8"
    & skf18("1","9","6","4","2","6","1") = "8"
    & skf18("1","9","6","4","2","7","1") = "8"
    & skf18("1","9","6","4","2","8","1") = "8"
    & skf18("1","9","6","4","2","9","1") = "8"
    & skf18("1","9","6","4","2","10","1") = "9"
    & skf18("1","9","6","4","3","1","1") = "8"
    & skf18("1","9","6","4","3","2","1") = "8"
    & skf18("1","9","6","4","3","3","1") = "8"
    & skf18("1","9","6","4","3","4","1") = "8"
    & skf18("1","9","6","4","3","5","1") = "8"
    & skf18("1","9","6","4","3","6","1") = "8"
    & skf18("1","9","6","4","3","7","1") = "8"
    & skf18("1","9","6","4","3","8","1") = "8"
    & skf18("1","9","6","4","3","9","1") = "8"
    & skf18("1","9","6","4","3","10","1") = "9"
    & skf18("1","9","6","4","4","1","1") = "8"
    & skf18("1","9","6","4","4","2","1") = "8"
    & skf18("1","9","6","4","4","3","1") = "8"
    & skf18("1","9","6","4","4","4","1") = "8"
    & skf18("1","9","6","4","4","5","1") = "8"
    & skf18("1","9","6","4","4","6","1") = "8"
    & skf18("1","9","6","4","4","7","1") = "8"
    & skf18("1","9","6","4","4","8","1") = "8"
    & skf18("1","9","6","4","4","9","1") = "8"
    & skf18("1","9","6","4","4","10","1") = "9"
    & skf18("1","9","6","4","5","1","1") = "8"
    & skf18("1","9","6","4","5","2","1") = "8"
    & skf18("1","9","6","4","5","3","1") = "8"
    & skf18("1","9","6","4","5","4","1") = "8"
    & skf18("1","9","6","4","5","5","1") = "8"
    & skf18("1","9","6","4","5","6","1") = "8"
    & skf18("1","9","6","4","5","7","1") = "8"
    & skf18("1","9","6","4","5","8","1") = "8"
    & skf18("1","9","6","4","5","9","1") = "8"
    & skf18("1","9","6","4","5","10","1") = "9"
    & skf18("1","9","6","4","6","1","1") = "8"
    & skf18("1","9","6","4","6","2","1") = "8"
    & skf18("1","9","6","4","6","3","1") = "8"
    & skf18("1","9","6","4","6","4","1") = "8"
    & skf18("1","9","6","4","6","5","1") = "8"
    & skf18("1","9","6","4","6","6","1") = "8"
    & skf18("1","9","6","4","6","7","1") = "8"
    & skf18("1","9","6","4","6","8","1") = "8"
    & skf18("1","9","6","4","6","9","1") = "8"
    & skf18("1","9","6","4","6","10","1") = "9"
    & skf18("1","9","6","4","7","1","1") = "8"
    & skf18("1","9","6","4","7","2","1") = "8"
    & skf18("1","9","6","4","7","3","1") = "8"
    & skf18("1","9","6","4","7","4","1") = "8"
    & skf18("1","9","6","4","7","5","1") = "8"
    & skf18("1","9","6","4","7","6","1") = "8"
    & skf18("1","9","6","4","7","7","1") = "8"
    & skf18("1","9","6","4","7","8","1") = "8"
    & skf18("1","9","6","4","7","9","1") = "8"
    & skf18("1","9","6","4","7","10","1") = "9"
    & skf18("1","9","6","4","8","1","1") = "8"
    & skf18("1","9","6","4","8","2","1") = "8"
    & skf18("1","9","6","4","8","3","1") = "8"
    & skf18("1","9","6","4","8","4","1") = "8"
    & skf18("1","9","6","4","8","5","1") = "8"
    & skf18("1","9","6","4","8","6","1") = "8"
    & skf18("1","9","6","4","8","7","1") = "8"
    & skf18("1","9","6","4","8","8","1") = "8"
    & skf18("1","9","6","4","8","9","1") = "8"
    & skf18("1","9","6","4","8","10","1") = "9"
    & skf18("1","9","6","4","9","1","1") = "8"
    & skf18("1","9","6","4","9","2","1") = "8"
    & skf18("1","9","6","4","9","3","1") = "8"
    & skf18("1","9","6","4","9","4","1") = "8"
    & skf18("1","9","6","4","9","5","1") = "8"
    & skf18("1","9","6","4","9","6","1") = "8"
    & skf18("1","9","6","4","9","7","1") = "8"
    & skf18("1","9","6","4","9","8","1") = "8"
    & skf18("1","9","6","4","9","9","1") = "8"
    & skf18("1","9","6","4","9","10","1") = "9"
    & skf18("1","9","6","4","10","1","1") = "9"
    & skf18("1","9","6","4","10","2","1") = "9"
    & skf18("1","9","6","4","10","3","1") = "9"
    & skf18("1","9","6","4","10","4","1") = "9"
    & skf18("1","9","6","4","10","5","1") = "9"
    & skf18("1","9","6","4","10","6","1") = "9"
    & skf18("1","9","6","4","10","7","1") = "9"
    & skf18("1","9","6","4","10","8","1") = "9"
    & skf18("1","9","6","4","10","9","1") = "9"
    & skf18("1","9","6","4","10","10","1") = "9"
    & skf18("1","9","6","5","1","1","1") = "8"
    & skf18("1","9","6","5","1","2","1") = "8"
    & skf18("1","9","6","5","1","3","1") = "8"
    & skf18("1","9","6","5","1","4","1") = "8"
    & skf18("1","9","6","5","1","5","1") = "8"
    & skf18("1","9","6","5","1","6","1") = "8"
    & skf18("1","9","6","5","1","7","1") = "8"
    & skf18("1","9","6","5","1","8","1") = "8"
    & skf18("1","9","6","5","1","9","1") = "8"
    & skf18("1","9","6","5","1","10","1") = "9"
    & skf18("1","9","6","5","2","1","1") = "8"
    & skf18("1","9","6","5","2","2","1") = "8"
    & skf18("1","9","6","5","2","3","1") = "8"
    & skf18("1","9","6","5","2","4","1") = "8"
    & skf18("1","9","6","5","2","5","1") = "8"
    & skf18("1","9","6","5","2","6","1") = "8"
    & skf18("1","9","6","5","2","7","1") = "8"
    & skf18("1","9","6","5","2","8","1") = "8"
    & skf18("1","9","6","5","2","9","1") = "8"
    & skf18("1","9","6","5","2","10","1") = "9"
    & skf18("1","9","6","5","3","1","1") = "8"
    & skf18("1","9","6","5","3","2","1") = "8"
    & skf18("1","9","6","5","3","3","1") = "8"
    & skf18("1","9","6","5","3","4","1") = "8"
    & skf18("1","9","6","5","3","5","1") = "8"
    & skf18("1","9","6","5","3","6","1") = "8"
    & skf18("1","9","6","5","3","7","1") = "8"
    & skf18("1","9","6","5","3","8","1") = "8"
    & skf18("1","9","6","5","3","9","1") = "8"
    & skf18("1","9","6","5","3","10","1") = "9"
    & skf18("1","9","6","5","4","1","1") = "8"
    & skf18("1","9","6","5","4","2","1") = "8"
    & skf18("1","9","6","5","4","3","1") = "8"
    & skf18("1","9","6","5","4","4","1") = "8"
    & skf18("1","9","6","5","4","5","1") = "8"
    & skf18("1","9","6","5","4","6","1") = "8"
    & skf18("1","9","6","5","4","7","1") = "8"
    & skf18("1","9","6","5","4","8","1") = "8"
    & skf18("1","9","6","5","4","9","1") = "8"
    & skf18("1","9","6","5","4","10","1") = "9"
    & skf18("1","9","6","5","5","1","1") = "8"
    & skf18("1","9","6","5","5","2","1") = "8"
    & skf18("1","9","6","5","5","3","1") = "8"
    & skf18("1","9","6","5","5","4","1") = "8"
    & skf18("1","9","6","5","5","5","1") = "8"
    & skf18("1","9","6","5","5","6","1") = "8"
    & skf18("1","9","6","5","5","7","1") = "8"
    & skf18("1","9","6","5","5","8","1") = "8"
    & skf18("1","9","6","5","5","9","1") = "8"
    & skf18("1","9","6","5","5","10","1") = "9"
    & skf18("1","9","6","5","6","1","1") = "8"
    & skf18("1","9","6","5","6","2","1") = "8"
    & skf18("1","9","6","5","6","3","1") = "8"
    & skf18("1","9","6","5","6","4","1") = "8"
    & skf18("1","9","6","5","6","5","1") = "8"
    & skf18("1","9","6","5","6","6","1") = "8"
    & skf18("1","9","6","5","6","7","1") = "8"
    & skf18("1","9","6","5","6","8","1") = "8"
    & skf18("1","9","6","5","6","9","1") = "8"
    & skf18("1","9","6","5","6","10","1") = "9"
    & skf18("1","9","6","5","7","1","1") = "8"
    & skf18("1","9","6","5","7","2","1") = "8"
    & skf18("1","9","6","5","7","3","1") = "8"
    & skf18("1","9","6","5","7","4","1") = "8"
    & skf18("1","9","6","5","7","5","1") = "8"
    & skf18("1","9","6","5","7","6","1") = "8"
    & skf18("1","9","6","5","7","7","1") = "8"
    & skf18("1","9","6","5","7","8","1") = "8"
    & skf18("1","9","6","5","7","9","1") = "8"
    & skf18("1","9","6","5","7","10","1") = "9"
    & skf18("1","9","6","5","8","1","1") = "8"
    & skf18("1","9","6","5","8","2","1") = "8"
    & skf18("1","9","6","5","8","3","1") = "8"
    & skf18("1","9","6","5","8","4","1") = "8"
    & skf18("1","9","6","5","8","5","1") = "8"
    & skf18("1","9","6","5","8","6","1") = "8"
    & skf18("1","9","6","5","8","7","1") = "8"
    & skf18("1","9","6","5","8","8","1") = "8"
    & skf18("1","9","6","5","8","9","1") = "8"
    & skf18("1","9","6","5","8","10","1") = "9"
    & skf18("1","9","6","5","9","1","1") = "8"
    & skf18("1","9","6","5","9","2","1") = "8"
    & skf18("1","9","6","5","9","3","1") = "8"
    & skf18("1","9","6","5","9","4","1") = "8"
    & skf18("1","9","6","5","9","5","1") = "8"
    & skf18("1","9","6","5","9","6","1") = "8"
    & skf18("1","9","6","5","9","7","1") = "8"
    & skf18("1","9","6","5","9","8","1") = "8"
    & skf18("1","9","6","5","9","9","1") = "8"
    & skf18("1","9","6","5","9","10","1") = "9"
    & skf18("1","9","6","5","10","1","1") = "9"
    & skf18("1","9","6","5","10","2","1") = "9"
    & skf18("1","9","6","5","10","3","1") = "9"
    & skf18("1","9","6","5","10","4","1") = "9"
    & skf18("1","9","6","5","10","5","1") = "9"
    & skf18("1","9","6","5","10","6","1") = "9"
    & skf18("1","9","6","5","10","7","1") = "9"
    & skf18("1","9","6","5","10","8","1") = "9"
    & skf18("1","9","6","5","10","9","1") = "9"
    & skf18("1","9","6","5","10","10","1") = "9"
    & skf18("1","9","6","6","1","1","1") = "8"
    & skf18("1","9","6","6","1","2","1") = "8"
    & skf18("1","9","6","6","1","3","1") = "8"
    & skf18("1","9","6","6","1","4","1") = "8"
    & skf18("1","9","6","6","1","5","1") = "8"
    & skf18("1","9","6","6","1","6","1") = "8"
    & skf18("1","9","6","6","1","7","1") = "8"
    & skf18("1","9","6","6","1","8","1") = "8"
    & skf18("1","9","6","6","1","9","1") = "8"
    & skf18("1","9","6","6","1","10","1") = "9"
    & skf18("1","9","6","6","2","1","1") = "8"
    & skf18("1","9","6","6","2","2","1") = "8"
    & skf18("1","9","6","6","2","3","1") = "8"
    & skf18("1","9","6","6","2","4","1") = "8"
    & skf18("1","9","6","6","2","5","1") = "8"
    & skf18("1","9","6","6","2","6","1") = "8"
    & skf18("1","9","6","6","2","7","1") = "8"
    & skf18("1","9","6","6","2","8","1") = "8"
    & skf18("1","9","6","6","2","9","1") = "8"
    & skf18("1","9","6","6","2","10","1") = "9"
    & skf18("1","9","6","6","3","1","1") = "8"
    & skf18("1","9","6","6","3","2","1") = "8"
    & skf18("1","9","6","6","3","3","1") = "8"
    & skf18("1","9","6","6","3","4","1") = "8"
    & skf18("1","9","6","6","3","5","1") = "8"
    & skf18("1","9","6","6","3","6","1") = "8"
    & skf18("1","9","6","6","3","7","1") = "8"
    & skf18("1","9","6","6","3","8","1") = "8"
    & skf18("1","9","6","6","3","9","1") = "8"
    & skf18("1","9","6","6","3","10","1") = "9"
    & skf18("1","9","6","6","4","1","1") = "8"
    & skf18("1","9","6","6","4","2","1") = "8"
    & skf18("1","9","6","6","4","3","1") = "8"
    & skf18("1","9","6","6","4","4","1") = "8"
    & skf18("1","9","6","6","4","5","1") = "8"
    & skf18("1","9","6","6","4","6","1") = "8"
    & skf18("1","9","6","6","4","7","1") = "8"
    & skf18("1","9","6","6","4","8","1") = "8"
    & skf18("1","9","6","6","4","9","1") = "8"
    & skf18("1","9","6","6","4","10","1") = "9"
    & skf18("1","9","6","6","5","1","1") = "8"
    & skf18("1","9","6","6","5","2","1") = "8"
    & skf18("1","9","6","6","5","3","1") = "8"
    & skf18("1","9","6","6","5","4","1") = "8"
    & skf18("1","9","6","6","5","5","1") = "8"
    & skf18("1","9","6","6","5","6","1") = "8"
    & skf18("1","9","6","6","5","7","1") = "8"
    & skf18("1","9","6","6","5","8","1") = "8"
    & skf18("1","9","6","6","5","9","1") = "8"
    & skf18("1","9","6","6","5","10","1") = "9"
    & skf18("1","9","6","6","6","1","1") = "8"
    & skf18("1","9","6","6","6","2","1") = "8"
    & skf18("1","9","6","6","6","3","1") = "8"
    & skf18("1","9","6","6","6","4","1") = "8"
    & skf18("1","9","6","6","6","5","1") = "8"
    & skf18("1","9","6","6","6","6","1") = "8"
    & skf18("1","9","6","6","6","7","1") = "8"
    & skf18("1","9","6","6","6","8","1") = "8"
    & skf18("1","9","6","6","6","9","1") = "8"
    & skf18("1","9","6","6","6","10","1") = "9"
    & skf18("1","9","6","6","7","1","1") = "8"
    & skf18("1","9","6","6","7","2","1") = "8"
    & skf18("1","9","6","6","7","3","1") = "8"
    & skf18("1","9","6","6","7","4","1") = "8"
    & skf18("1","9","6","6","7","5","1") = "8"
    & skf18("1","9","6","6","7","6","1") = "8"
    & skf18("1","9","6","6","7","7","1") = "8"
    & skf18("1","9","6","6","7","8","1") = "8"
    & skf18("1","9","6","6","7","9","1") = "8"
    & skf18("1","9","6","6","7","10","1") = "9"
    & skf18("1","9","6","6","8","1","1") = "8"
    & skf18("1","9","6","6","8","2","1") = "8"
    & skf18("1","9","6","6","8","3","1") = "8"
    & skf18("1","9","6","6","8","4","1") = "8"
    & skf18("1","9","6","6","8","5","1") = "8"
    & skf18("1","9","6","6","8","6","1") = "8"
    & skf18("1","9","6","6","8","7","1") = "8"
    & skf18("1","9","6","6","8","8","1") = "8"
    & skf18("1","9","6","6","8","9","1") = "8"
    & skf18("1","9","6","6","8","10","1") = "9"
    & skf18("1","9","6","6","9","1","1") = "8"
    & skf18("1","9","6","6","9","2","1") = "8"
    & skf18("1","9","6","6","9","3","1") = "8"
    & skf18("1","9","6","6","9","4","1") = "8"
    & skf18("1","9","6","6","9","5","1") = "8"
    & skf18("1","9","6","6","9","6","1") = "8"
    & skf18("1","9","6","6","9","7","1") = "8"
    & skf18("1","9","6","6","9","8","1") = "8"
    & skf18("1","9","6","6","9","9","1") = "8"
    & skf18("1","9","6","6","9","10","1") = "9"
    & skf18("1","9","6","6","10","1","1") = "9"
    & skf18("1","9","6","6","10","2","1") = "9"
    & skf18("1","9","6","6","10","3","1") = "9"
    & skf18("1","9","6","6","10","4","1") = "9"
    & skf18("1","9","6","6","10","5","1") = "9"
    & skf18("1","9","6","6","10","6","1") = "9"
    & skf18("1","9","6","6","10","7","1") = "9"
    & skf18("1","9","6","6","10","8","1") = "9"
    & skf18("1","9","6","6","10","9","1") = "9"
    & skf18("1","9","6","6","10","10","1") = "9"
    & skf18("1","9","6","7","1","1","1") = "8"
    & skf18("1","9","6","7","1","2","1") = "8"
    & skf18("1","9","6","7","1","3","1") = "8"
    & skf18("1","9","6","7","1","4","1") = "8"
    & skf18("1","9","6","7","1","5","1") = "8"
    & skf18("1","9","6","7","1","6","1") = "8"
    & skf18("1","9","6","7","1","7","1") = "8"
    & skf18("1","9","6","7","1","8","1") = "8"
    & skf18("1","9","6","7","1","9","1") = "8"
    & skf18("1","9","6","7","1","10","1") = "9"
    & skf18("1","9","6","7","2","1","1") = "8"
    & skf18("1","9","6","7","2","2","1") = "8"
    & skf18("1","9","6","7","2","3","1") = "8"
    & skf18("1","9","6","7","2","4","1") = "8"
    & skf18("1","9","6","7","2","5","1") = "8"
    & skf18("1","9","6","7","2","6","1") = "8"
    & skf18("1","9","6","7","2","7","1") = "8"
    & skf18("1","9","6","7","2","8","1") = "8"
    & skf18("1","9","6","7","2","9","1") = "8"
    & skf18("1","9","6","7","2","10","1") = "9"
    & skf18("1","9","6","7","3","1","1") = "8"
    & skf18("1","9","6","7","3","2","1") = "8"
    & skf18("1","9","6","7","3","3","1") = "8"
    & skf18("1","9","6","7","3","4","1") = "8"
    & skf18("1","9","6","7","3","5","1") = "8"
    & skf18("1","9","6","7","3","6","1") = "8"
    & skf18("1","9","6","7","3","7","1") = "8"
    & skf18("1","9","6","7","3","8","1") = "8"
    & skf18("1","9","6","7","3","9","1") = "8"
    & skf18("1","9","6","7","3","10","1") = "9"
    & skf18("1","9","6","7","4","1","1") = "8"
    & skf18("1","9","6","7","4","2","1") = "8"
    & skf18("1","9","6","7","4","3","1") = "8"
    & skf18("1","9","6","7","4","4","1") = "8"
    & skf18("1","9","6","7","4","5","1") = "8"
    & skf18("1","9","6","7","4","6","1") = "8"
    & skf18("1","9","6","7","4","7","1") = "8"
    & skf18("1","9","6","7","4","8","1") = "8"
    & skf18("1","9","6","7","4","9","1") = "8"
    & skf18("1","9","6","7","4","10","1") = "9"
    & skf18("1","9","6","7","5","1","1") = "8"
    & skf18("1","9","6","7","5","2","1") = "8"
    & skf18("1","9","6","7","5","3","1") = "8"
    & skf18("1","9","6","7","5","4","1") = "8"
    & skf18("1","9","6","7","5","5","1") = "8"
    & skf18("1","9","6","7","5","6","1") = "8"
    & skf18("1","9","6","7","5","7","1") = "8"
    & skf18("1","9","6","7","5","8","1") = "8"
    & skf18("1","9","6","7","5","9","1") = "8"
    & skf18("1","9","6","7","5","10","1") = "9"
    & skf18("1","9","6","7","6","1","1") = "8"
    & skf18("1","9","6","7","6","2","1") = "8"
    & skf18("1","9","6","7","6","3","1") = "8"
    & skf18("1","9","6","7","6","4","1") = "8"
    & skf18("1","9","6","7","6","5","1") = "8"
    & skf18("1","9","6","7","6","6","1") = "8"
    & skf18("1","9","6","7","6","7","1") = "8"
    & skf18("1","9","6","7","6","8","1") = "8"
    & skf18("1","9","6","7","6","9","1") = "8"
    & skf18("1","9","6","7","6","10","1") = "9"
    & skf18("1","9","6","7","7","1","1") = "8"
    & skf18("1","9","6","7","7","2","1") = "8"
    & skf18("1","9","6","7","7","3","1") = "8"
    & skf18("1","9","6","7","7","4","1") = "8"
    & skf18("1","9","6","7","7","5","1") = "8"
    & skf18("1","9","6","7","7","6","1") = "8"
    & skf18("1","9","6","7","7","7","1") = "8"
    & skf18("1","9","6","7","7","8","1") = "8"
    & skf18("1","9","6","7","7","9","1") = "8"
    & skf18("1","9","6","7","7","10","1") = "9"
    & skf18("1","9","6","7","8","1","1") = "8"
    & skf18("1","9","6","7","8","2","1") = "8"
    & skf18("1","9","6","7","8","3","1") = "8"
    & skf18("1","9","6","7","8","4","1") = "8"
    & skf18("1","9","6","7","8","5","1") = "8"
    & skf18("1","9","6","7","8","6","1") = "8"
    & skf18("1","9","6","7","8","7","1") = "8"
    & skf18("1","9","6","7","8","8","1") = "8"
    & skf18("1","9","6","7","8","9","1") = "8"
    & skf18("1","9","6","7","8","10","1") = "9"
    & skf18("1","9","6","7","9","1","1") = "8"
    & skf18("1","9","6","7","9","2","1") = "8"
    & skf18("1","9","6","7","9","3","1") = "8"
    & skf18("1","9","6","7","9","4","1") = "8"
    & skf18("1","9","6","7","9","5","1") = "8"
    & skf18("1","9","6","7","9","6","1") = "8"
    & skf18("1","9","6","7","9","7","1") = "8"
    & skf18("1","9","6","7","9","8","1") = "8"
    & skf18("1","9","6","7","9","9","1") = "8"
    & skf18("1","9","6","7","9","10","1") = "9"
    & skf18("1","9","6","7","10","1","1") = "9"
    & skf18("1","9","6","7","10","2","1") = "9"
    & skf18("1","9","6","7","10","3","1") = "9"
    & skf18("1","9","6","7","10","4","1") = "9"
    & skf18("1","9","6","7","10","5","1") = "9"
    & skf18("1","9","6","7","10","6","1") = "9"
    & skf18("1","9","6","7","10","7","1") = "9"
    & skf18("1","9","6","7","10","8","1") = "9"
    & skf18("1","9","6","7","10","9","1") = "9"
    & skf18("1","9","6","7","10","10","1") = "9"
    & skf18("1","9","6","8","1","1","1") = "8"
    & skf18("1","9","6","8","1","2","1") = "8"
    & skf18("1","9","6","8","1","3","1") = "8"
    & skf18("1","9","6","8","1","4","1") = "8"
    & skf18("1","9","6","8","1","5","1") = "8"
    & skf18("1","9","6","8","1","6","1") = "8"
    & skf18("1","9","6","8","1","7","1") = "8"
    & skf18("1","9","6","8","1","8","1") = "8"
    & skf18("1","9","6","8","1","9","1") = "8"
    & skf18("1","9","6","8","1","10","1") = "9"
    & skf18("1","9","6","8","2","1","1") = "8"
    & skf18("1","9","6","8","2","2","1") = "8"
    & skf18("1","9","6","8","2","3","1") = "8"
    & skf18("1","9","6","8","2","4","1") = "8"
    & skf18("1","9","6","8","2","5","1") = "8"
    & skf18("1","9","6","8","2","6","1") = "8"
    & skf18("1","9","6","8","2","7","1") = "8"
    & skf18("1","9","6","8","2","8","1") = "8"
    & skf18("1","9","6","8","2","9","1") = "8"
    & skf18("1","9","6","8","2","10","1") = "9"
    & skf18("1","9","6","8","3","1","1") = "8"
    & skf18("1","9","6","8","3","2","1") = "8"
    & skf18("1","9","6","8","3","3","1") = "8"
    & skf18("1","9","6","8","3","4","1") = "8"
    & skf18("1","9","6","8","3","5","1") = "8"
    & skf18("1","9","6","8","3","6","1") = "8"
    & skf18("1","9","6","8","3","7","1") = "8"
    & skf18("1","9","6","8","3","8","1") = "8"
    & skf18("1","9","6","8","3","9","1") = "8"
    & skf18("1","9","6","8","3","10","1") = "9"
    & skf18("1","9","6","8","4","1","1") = "8"
    & skf18("1","9","6","8","4","2","1") = "8"
    & skf18("1","9","6","8","4","3","1") = "8"
    & skf18("1","9","6","8","4","4","1") = "8"
    & skf18("1","9","6","8","4","5","1") = "8"
    & skf18("1","9","6","8","4","6","1") = "8"
    & skf18("1","9","6","8","4","7","1") = "8"
    & skf18("1","9","6","8","4","8","1") = "8"
    & skf18("1","9","6","8","4","9","1") = "8"
    & skf18("1","9","6","8","4","10","1") = "9"
    & skf18("1","9","6","8","5","1","1") = "8"
    & skf18("1","9","6","8","5","2","1") = "8"
    & skf18("1","9","6","8","5","3","1") = "8"
    & skf18("1","9","6","8","5","4","1") = "8"
    & skf18("1","9","6","8","5","5","1") = "8"
    & skf18("1","9","6","8","5","6","1") = "8"
    & skf18("1","9","6","8","5","7","1") = "8"
    & skf18("1","9","6","8","5","8","1") = "8"
    & skf18("1","9","6","8","5","9","1") = "8"
    & skf18("1","9","6","8","5","10","1") = "9"
    & skf18("1","9","6","8","6","1","1") = "8"
    & skf18("1","9","6","8","6","2","1") = "8"
    & skf18("1","9","6","8","6","3","1") = "8"
    & skf18("1","9","6","8","6","4","1") = "8"
    & skf18("1","9","6","8","6","5","1") = "8"
    & skf18("1","9","6","8","6","6","1") = "8"
    & skf18("1","9","6","8","6","7","1") = "8"
    & skf18("1","9","6","8","6","8","1") = "8"
    & skf18("1","9","6","8","6","9","1") = "8"
    & skf18("1","9","6","8","6","10","1") = "9"
    & skf18("1","9","6","8","7","1","1") = "8"
    & skf18("1","9","6","8","7","2","1") = "8"
    & skf18("1","9","6","8","7","3","1") = "8"
    & skf18("1","9","6","8","7","4","1") = "8"
    & skf18("1","9","6","8","7","5","1") = "8"
    & skf18("1","9","6","8","7","6","1") = "8"
    & skf18("1","9","6","8","7","7","1") = "8"
    & skf18("1","9","6","8","7","8","1") = "8"
    & skf18("1","9","6","8","7","9","1") = "8"
    & skf18("1","9","6","8","7","10","1") = "9"
    & skf18("1","9","6","8","8","1","1") = "8"
    & skf18("1","9","6","8","8","2","1") = "8"
    & skf18("1","9","6","8","8","3","1") = "8"
    & skf18("1","9","6","8","8","4","1") = "8"
    & skf18("1","9","6","8","8","5","1") = "8"
    & skf18("1","9","6","8","8","6","1") = "8"
    & skf18("1","9","6","8","8","7","1") = "8"
    & skf18("1","9","6","8","8","8","1") = "8"
    & skf18("1","9","6","8","8","9","1") = "8"
    & skf18("1","9","6","8","8","10","1") = "9"
    & skf18("1","9","6","8","9","1","1") = "8"
    & skf18("1","9","6","8","9","2","1") = "8"
    & skf18("1","9","6","8","9","3","1") = "8"
    & skf18("1","9","6","8","9","4","1") = "8"
    & skf18("1","9","6","8","9","5","1") = "8"
    & skf18("1","9","6","8","9","6","1") = "8"
    & skf18("1","9","6","8","9","7","1") = "8"
    & skf18("1","9","6","8","9","8","1") = "8"
    & skf18("1","9","6","8","9","9","1") = "8"
    & skf18("1","9","6","8","9","10","1") = "9"
    & skf18("1","9","6","8","10","1","1") = "9"
    & skf18("1","9","6","8","10","2","1") = "9"
    & skf18("1","9","6","8","10","3","1") = "9"
    & skf18("1","9","6","8","10","4","1") = "9"
    & skf18("1","9","6","8","10","5","1") = "9"
    & skf18("1","9","6","8","10","6","1") = "9"
    & skf18("1","9","6","8","10","7","1") = "9"
    & skf18("1","9","6","8","10","8","1") = "9"
    & skf18("1","9","6","8","10","9","1") = "9"
    & skf18("1","9","6","8","10","10","1") = "9"
    & skf18("1","9","6","9","1","1","1") = "8"
    & skf18("1","9","6","9","1","2","1") = "8"
    & skf18("1","9","6","9","1","3","1") = "8"
    & skf18("1","9","6","9","1","4","1") = "8"
    & skf18("1","9","6","9","1","5","1") = "8"
    & skf18("1","9","6","9","1","6","1") = "8"
    & skf18("1","9","6","9","1","7","1") = "8"
    & skf18("1","9","6","9","1","8","1") = "8"
    & skf18("1","9","6","9","1","9","1") = "8"
    & skf18("1","9","6","9","1","10","1") = "9"
    & skf18("1","9","6","9","2","1","1") = "8"
    & skf18("1","9","6","9","2","2","1") = "8"
    & skf18("1","9","6","9","2","3","1") = "8"
    & skf18("1","9","6","9","2","4","1") = "8"
    & skf18("1","9","6","9","2","5","1") = "8"
    & skf18("1","9","6","9","2","6","1") = "8"
    & skf18("1","9","6","9","2","7","1") = "8"
    & skf18("1","9","6","9","2","8","1") = "8"
    & skf18("1","9","6","9","2","9","1") = "8"
    & skf18("1","9","6","9","2","10","1") = "9"
    & skf18("1","9","6","9","3","1","1") = "8"
    & skf18("1","9","6","9","3","2","1") = "8"
    & skf18("1","9","6","9","3","3","1") = "8"
    & skf18("1","9","6","9","3","4","1") = "8"
    & skf18("1","9","6","9","3","5","1") = "8"
    & skf18("1","9","6","9","3","6","1") = "8"
    & skf18("1","9","6","9","3","7","1") = "8"
    & skf18("1","9","6","9","3","8","1") = "8"
    & skf18("1","9","6","9","3","9","1") = "8"
    & skf18("1","9","6","9","3","10","1") = "9"
    & skf18("1","9","6","9","4","1","1") = "8"
    & skf18("1","9","6","9","4","2","1") = "8"
    & skf18("1","9","6","9","4","3","1") = "8"
    & skf18("1","9","6","9","4","4","1") = "8"
    & skf18("1","9","6","9","4","5","1") = "8"
    & skf18("1","9","6","9","4","6","1") = "8"
    & skf18("1","9","6","9","4","7","1") = "8"
    & skf18("1","9","6","9","4","8","1") = "8"
    & skf18("1","9","6","9","4","9","1") = "8"
    & skf18("1","9","6","9","4","10","1") = "9"
    & skf18("1","9","6","9","5","1","1") = "8"
    & skf18("1","9","6","9","5","2","1") = "8"
    & skf18("1","9","6","9","5","3","1") = "8"
    & skf18("1","9","6","9","5","4","1") = "8"
    & skf18("1","9","6","9","5","5","1") = "8"
    & skf18("1","9","6","9","5","6","1") = "8"
    & skf18("1","9","6","9","5","7","1") = "8"
    & skf18("1","9","6","9","5","8","1") = "8"
    & skf18("1","9","6","9","5","9","1") = "8"
    & skf18("1","9","6","9","5","10","1") = "9"
    & skf18("1","9","6","9","6","1","1") = "8"
    & skf18("1","9","6","9","6","2","1") = "8"
    & skf18("1","9","6","9","6","3","1") = "8"
    & skf18("1","9","6","9","6","4","1") = "8"
    & skf18("1","9","6","9","6","5","1") = "8"
    & skf18("1","9","6","9","6","6","1") = "8"
    & skf18("1","9","6","9","6","7","1") = "8"
    & skf18("1","9","6","9","6","8","1") = "8"
    & skf18("1","9","6","9","6","9","1") = "8"
    & skf18("1","9","6","9","6","10","1") = "9"
    & skf18("1","9","6","9","7","1","1") = "8"
    & skf18("1","9","6","9","7","2","1") = "8"
    & skf18("1","9","6","9","7","3","1") = "8"
    & skf18("1","9","6","9","7","4","1") = "8"
    & skf18("1","9","6","9","7","5","1") = "8"
    & skf18("1","9","6","9","7","6","1") = "8"
    & skf18("1","9","6","9","7","7","1") = "8"
    & skf18("1","9","6","9","7","8","1") = "8"
    & skf18("1","9","6","9","7","9","1") = "8"
    & skf18("1","9","6","9","7","10","1") = "9"
    & skf18("1","9","6","9","8","1","1") = "8"
    & skf18("1","9","6","9","8","2","1") = "8"
    & skf18("1","9","6","9","8","3","1") = "8"
    & skf18("1","9","6","9","8","4","1") = "8"
    & skf18("1","9","6","9","8","5","1") = "8"
    & skf18("1","9","6","9","8","6","1") = "8"
    & skf18("1","9","6","9","8","7","1") = "8"
    & skf18("1","9","6","9","8","8","1") = "8"
    & skf18("1","9","6","9","8","9","1") = "8"
    & skf18("1","9","6","9","8","10","1") = "9"
    & skf18("1","9","6","9","9","1","1") = "8"
    & skf18("1","9","6","9","9","2","1") = "8"
    & skf18("1","9","6","9","9","3","1") = "8"
    & skf18("1","9","6","9","9","4","1") = "8"
    & skf18("1","9","6","9","9","5","1") = "8"
    & skf18("1","9","6","9","9","6","1") = "8"
    & skf18("1","9","6","9","9","7","1") = "8"
    & skf18("1","9","6","9","9","8","1") = "8"
    & skf18("1","9","6","9","9","9","1") = "8"
    & skf18("1","9","6","9","9","10","1") = "9"
    & skf18("1","9","6","9","10","1","1") = "9"
    & skf18("1","9","6","9","10","2","1") = "9"
    & skf18("1","9","6","9","10","3","1") = "9"
    & skf18("1","9","6","9","10","4","1") = "9"
    & skf18("1","9","6","9","10","5","1") = "9"
    & skf18("1","9","6","9","10","6","1") = "9"
    & skf18("1","9","6","9","10","7","1") = "9"
    & skf18("1","9","6","9","10","8","1") = "9"
    & skf18("1","9","6","9","10","9","1") = "9"
    & skf18("1","9","6","9","10","10","1") = "9"
    & skf18("1","9","6","10","1","1","1") = "9"
    & skf18("1","9","6","10","1","2","1") = "9"
    & skf18("1","9","6","10","1","3","1") = "9"
    & skf18("1","9","6","10","1","4","1") = "9"
    & skf18("1","9","6","10","1","5","1") = "9"
    & skf18("1","9","6","10","1","6","1") = "9"
    & skf18("1","9","6","10","1","7","1") = "9"
    & skf18("1","9","6","10","1","8","1") = "9"
    & skf18("1","9","6","10","1","9","1") = "9"
    & skf18("1","9","6","10","1","10","1") = "9"
    & skf18("1","9","6","10","2","1","1") = "9"
    & skf18("1","9","6","10","2","2","1") = "9"
    & skf18("1","9","6","10","2","3","1") = "9"
    & skf18("1","9","6","10","2","4","1") = "9"
    & skf18("1","9","6","10","2","5","1") = "9"
    & skf18("1","9","6","10","2","6","1") = "9"
    & skf18("1","9","6","10","2","7","1") = "9"
    & skf18("1","9","6","10","2","8","1") = "9"
    & skf18("1","9","6","10","2","9","1") = "9"
    & skf18("1","9","6","10","2","10","1") = "9"
    & skf18("1","9","6","10","3","1","1") = "9"
    & skf18("1","9","6","10","3","2","1") = "9"
    & skf18("1","9","6","10","3","3","1") = "9"
    & skf18("1","9","6","10","3","4","1") = "9"
    & skf18("1","9","6","10","3","5","1") = "9"
    & skf18("1","9","6","10","3","6","1") = "9"
    & skf18("1","9","6","10","3","7","1") = "9"
    & skf18("1","9","6","10","3","8","1") = "9"
    & skf18("1","9","6","10","3","9","1") = "9"
    & skf18("1","9","6","10","3","10","1") = "9"
    & skf18("1","9","6","10","4","1","1") = "9"
    & skf18("1","9","6","10","4","2","1") = "9"
    & skf18("1","9","6","10","4","3","1") = "9"
    & skf18("1","9","6","10","4","4","1") = "9"
    & skf18("1","9","6","10","4","5","1") = "9"
    & skf18("1","9","6","10","4","6","1") = "9"
    & skf18("1","9","6","10","4","7","1") = "9"
    & skf18("1","9","6","10","4","8","1") = "9"
    & skf18("1","9","6","10","4","9","1") = "9"
    & skf18("1","9","6","10","4","10","1") = "9"
    & skf18("1","9","6","10","5","1","1") = "9"
    & skf18("1","9","6","10","5","2","1") = "9"
    & skf18("1","9","6","10","5","3","1") = "9"
    & skf18("1","9","6","10","5","4","1") = "9"
    & skf18("1","9","6","10","5","5","1") = "9"
    & skf18("1","9","6","10","5","6","1") = "9"
    & skf18("1","9","6","10","5","7","1") = "9"
    & skf18("1","9","6","10","5","8","1") = "9"
    & skf18("1","9","6","10","5","9","1") = "9"
    & skf18("1","9","6","10","5","10","1") = "9"
    & skf18("1","9","6","10","6","1","1") = "9"
    & skf18("1","9","6","10","6","2","1") = "9"
    & skf18("1","9","6","10","6","3","1") = "9"
    & skf18("1","9","6","10","6","4","1") = "9"
    & skf18("1","9","6","10","6","5","1") = "9"
    & skf18("1","9","6","10","6","6","1") = "9"
    & skf18("1","9","6","10","6","7","1") = "9"
    & skf18("1","9","6","10","6","8","1") = "9"
    & skf18("1","9","6","10","6","9","1") = "9"
    & skf18("1","9","6","10","6","10","1") = "9"
    & skf18("1","9","6","10","7","1","1") = "9"
    & skf18("1","9","6","10","7","2","1") = "9"
    & skf18("1","9","6","10","7","3","1") = "9"
    & skf18("1","9","6","10","7","4","1") = "9"
    & skf18("1","9","6","10","7","5","1") = "9"
    & skf18("1","9","6","10","7","6","1") = "9"
    & skf18("1","9","6","10","7","7","1") = "9"
    & skf18("1","9","6","10","7","8","1") = "9"
    & skf18("1","9","6","10","7","9","1") = "9"
    & skf18("1","9","6","10","7","10","1") = "9"
    & skf18("1","9","6","10","8","1","1") = "9"
    & skf18("1","9","6","10","8","2","1") = "9"
    & skf18("1","9","6","10","8","3","1") = "9"
    & skf18("1","9","6","10","8","4","1") = "9"
    & skf18("1","9","6","10","8","5","1") = "9"
    & skf18("1","9","6","10","8","6","1") = "9"
    & skf18("1","9","6","10","8","7","1") = "9"
    & skf18("1","9","6","10","8","8","1") = "9"
    & skf18("1","9","6","10","8","9","1") = "9"
    & skf18("1","9","6","10","8","10","1") = "9"
    & skf18("1","9","6","10","9","1","1") = "9"
    & skf18("1","9","6","10","9","2","1") = "9"
    & skf18("1","9","6","10","9","3","1") = "9"
    & skf18("1","9","6","10","9","4","1") = "9"
    & skf18("1","9","6","10","9","5","1") = "9"
    & skf18("1","9","6","10","9","6","1") = "9"
    & skf18("1","9","6","10","9","7","1") = "9"
    & skf18("1","9","6","10","9","8","1") = "9"
    & skf18("1","9","6","10","9","9","1") = "9"
    & skf18("1","9","6","10","9","10","1") = "9"
    & skf18("1","9","6","10","10","1","1") = "9"
    & skf18("1","9","6","10","10","2","1") = "9"
    & skf18("1","9","6","10","10","3","1") = "9"
    & skf18("1","9","6","10","10","4","1") = "9"
    & skf18("1","9","6","10","10","5","1") = "9"
    & skf18("1","9","6","10","10","6","1") = "9"
    & skf18("1","9","6","10","10","7","1") = "9"
    & skf18("1","9","6","10","10","8","1") = "9"
    & skf18("1","9","6","10","10","9","1") = "9"
    & skf18("1","9","6","10","10","10","1") = "9"
    & skf18("1","9","7","1","1","1","1") = "8"
    & skf18("1","9","7","1","1","2","1") = "8"
    & skf18("1","9","7","1","1","3","1") = "8"
    & skf18("1","9","7","1","1","4","1") = "8"
    & skf18("1","9","7","1","1","5","1") = "8"
    & skf18("1","9","7","1","1","6","1") = "8"
    & skf18("1","9","7","1","1","7","1") = "8"
    & skf18("1","9","7","1","1","8","1") = "8"
    & skf18("1","9","7","1","1","9","1") = "8"
    & skf18("1","9","7","1","1","10","1") = "9"
    & skf18("1","9","7","1","2","1","1") = "8"
    & skf18("1","9","7","1","2","2","1") = "8"
    & skf18("1","9","7","1","2","3","1") = "8"
    & skf18("1","9","7","1","2","4","1") = "8"
    & skf18("1","9","7","1","2","5","1") = "8"
    & skf18("1","9","7","1","2","6","1") = "8"
    & skf18("1","9","7","1","2","7","1") = "8"
    & skf18("1","9","7","1","2","8","1") = "8"
    & skf18("1","9","7","1","2","9","1") = "8"
    & skf18("1","9","7","1","2","10","1") = "9"
    & skf18("1","9","7","1","3","1","1") = "8"
    & skf18("1","9","7","1","3","2","1") = "8"
    & skf18("1","9","7","1","3","3","1") = "8"
    & skf18("1","9","7","1","3","4","1") = "8"
    & skf18("1","9","7","1","3","5","1") = "8"
    & skf18("1","9","7","1","3","6","1") = "8"
    & skf18("1","9","7","1","3","7","1") = "8"
    & skf18("1","9","7","1","3","8","1") = "8"
    & skf18("1","9","7","1","3","9","1") = "8"
    & skf18("1","9","7","1","3","10","1") = "9"
    & skf18("1","9","7","1","4","1","1") = "8"
    & skf18("1","9","7","1","4","2","1") = "8"
    & skf18("1","9","7","1","4","3","1") = "8"
    & skf18("1","9","7","1","4","4","1") = "8"
    & skf18("1","9","7","1","4","5","1") = "8"
    & skf18("1","9","7","1","4","6","1") = "8"
    & skf18("1","9","7","1","4","7","1") = "8"
    & skf18("1","9","7","1","4","8","1") = "8"
    & skf18("1","9","7","1","4","9","1") = "8"
    & skf18("1","9","7","1","4","10","1") = "9"
    & skf18("1","9","7","1","5","1","1") = "8"
    & skf18("1","9","7","1","5","2","1") = "8"
    & skf18("1","9","7","1","5","3","1") = "8"
    & skf18("1","9","7","1","5","4","1") = "8"
    & skf18("1","9","7","1","5","5","1") = "8"
    & skf18("1","9","7","1","5","6","1") = "8"
    & skf18("1","9","7","1","5","7","1") = "8"
    & skf18("1","9","7","1","5","8","1") = "8"
    & skf18("1","9","7","1","5","9","1") = "8"
    & skf18("1","9","7","1","5","10","1") = "9"
    & skf18("1","9","7","1","6","1","1") = "8"
    & skf18("1","9","7","1","6","2","1") = "8"
    & skf18("1","9","7","1","6","3","1") = "8"
    & skf18("1","9","7","1","6","4","1") = "8"
    & skf18("1","9","7","1","6","5","1") = "8"
    & skf18("1","9","7","1","6","6","1") = "8"
    & skf18("1","9","7","1","6","7","1") = "8"
    & skf18("1","9","7","1","6","8","1") = "8"
    & skf18("1","9","7","1","6","9","1") = "8"
    & skf18("1","9","7","1","6","10","1") = "9"
    & skf18("1","9","7","1","7","1","1") = "8"
    & skf18("1","9","7","1","7","2","1") = "8"
    & skf18("1","9","7","1","7","3","1") = "8"
    & skf18("1","9","7","1","7","4","1") = "8"
    & skf18("1","9","7","1","7","5","1") = "8"
    & skf18("1","9","7","1","7","6","1") = "8"
    & skf18("1","9","7","1","7","7","1") = "8"
    & skf18("1","9","7","1","7","8","1") = "8"
    & skf18("1","9","7","1","7","9","1") = "8"
    & skf18("1","9","7","1","7","10","1") = "9"
    & skf18("1","9","7","1","8","1","1") = "8"
    & skf18("1","9","7","1","8","2","1") = "8"
    & skf18("1","9","7","1","8","3","1") = "8"
    & skf18("1","9","7","1","8","4","1") = "8"
    & skf18("1","9","7","1","8","5","1") = "8"
    & skf18("1","9","7","1","8","6","1") = "8"
    & skf18("1","9","7","1","8","7","1") = "8"
    & skf18("1","9","7","1","8","8","1") = "8"
    & skf18("1","9","7","1","8","9","1") = "8"
    & skf18("1","9","7","1","8","10","1") = "9"
    & skf18("1","9","7","1","9","1","1") = "8"
    & skf18("1","9","7","1","9","2","1") = "8"
    & skf18("1","9","7","1","9","3","1") = "8"
    & skf18("1","9","7","1","9","4","1") = "8"
    & skf18("1","9","7","1","9","5","1") = "8"
    & skf18("1","9","7","1","9","6","1") = "8"
    & skf18("1","9","7","1","9","7","1") = "8"
    & skf18("1","9","7","1","9","8","1") = "8"
    & skf18("1","9","7","1","9","9","1") = "8"
    & skf18("1","9","7","1","9","10","1") = "9"
    & skf18("1","9","7","1","10","1","1") = "9"
    & skf18("1","9","7","1","10","2","1") = "9"
    & skf18("1","9","7","1","10","3","1") = "9"
    & skf18("1","9","7","1","10","4","1") = "9"
    & skf18("1","9","7","1","10","5","1") = "9"
    & skf18("1","9","7","1","10","6","1") = "9"
    & skf18("1","9","7","1","10","7","1") = "9"
    & skf18("1","9","7","1","10","8","1") = "9"
    & skf18("1","9","7","1","10","9","1") = "9"
    & skf18("1","9","7","1","10","10","1") = "9"
    & skf18("1","9","7","2","1","1","1") = "8"
    & skf18("1","9","7","2","1","2","1") = "8"
    & skf18("1","9","7","2","1","3","1") = "8"
    & skf18("1","9","7","2","1","4","1") = "8"
    & skf18("1","9","7","2","1","5","1") = "8"
    & skf18("1","9","7","2","1","6","1") = "8"
    & skf18("1","9","7","2","1","7","1") = "8"
    & skf18("1","9","7","2","1","8","1") = "8"
    & skf18("1","9","7","2","1","9","1") = "8"
    & skf18("1","9","7","2","1","10","1") = "9"
    & skf18("1","9","7","2","2","1","1") = "8"
    & skf18("1","9","7","2","2","2","1") = "8"
    & skf18("1","9","7","2","2","3","1") = "8"
    & skf18("1","9","7","2","2","4","1") = "8"
    & skf18("1","9","7","2","2","5","1") = "8"
    & skf18("1","9","7","2","2","6","1") = "8"
    & skf18("1","9","7","2","2","7","1") = "8"
    & skf18("1","9","7","2","2","8","1") = "8"
    & skf18("1","9","7","2","2","9","1") = "8"
    & skf18("1","9","7","2","2","10","1") = "9"
    & skf18("1","9","7","2","3","1","1") = "8"
    & skf18("1","9","7","2","3","2","1") = "8"
    & skf18("1","9","7","2","3","3","1") = "8"
    & skf18("1","9","7","2","3","4","1") = "8"
    & skf18("1","9","7","2","3","5","1") = "8"
    & skf18("1","9","7","2","3","6","1") = "8"
    & skf18("1","9","7","2","3","7","1") = "8"
    & skf18("1","9","7","2","3","8","1") = "8"
    & skf18("1","9","7","2","3","9","1") = "8"
    & skf18("1","9","7","2","3","10","1") = "9"
    & skf18("1","9","7","2","4","1","1") = "8"
    & skf18("1","9","7","2","4","2","1") = "8"
    & skf18("1","9","7","2","4","3","1") = "8"
    & skf18("1","9","7","2","4","4","1") = "8"
    & skf18("1","9","7","2","4","5","1") = "8"
    & skf18("1","9","7","2","4","6","1") = "8"
    & skf18("1","9","7","2","4","7","1") = "8"
    & skf18("1","9","7","2","4","8","1") = "8"
    & skf18("1","9","7","2","4","9","1") = "8"
    & skf18("1","9","7","2","4","10","1") = "9"
    & skf18("1","9","7","2","5","1","1") = "8"
    & skf18("1","9","7","2","5","2","1") = "8"
    & skf18("1","9","7","2","5","3","1") = "8"
    & skf18("1","9","7","2","5","4","1") = "8"
    & skf18("1","9","7","2","5","5","1") = "8"
    & skf18("1","9","7","2","5","6","1") = "8"
    & skf18("1","9","7","2","5","7","1") = "8"
    & skf18("1","9","7","2","5","8","1") = "8"
    & skf18("1","9","7","2","5","9","1") = "8"
    & skf18("1","9","7","2","5","10","1") = "9"
    & skf18("1","9","7","2","6","1","1") = "8"
    & skf18("1","9","7","2","6","2","1") = "8"
    & skf18("1","9","7","2","6","3","1") = "8"
    & skf18("1","9","7","2","6","4","1") = "8"
    & skf18("1","9","7","2","6","5","1") = "8"
    & skf18("1","9","7","2","6","6","1") = "8"
    & skf18("1","9","7","2","6","7","1") = "8"
    & skf18("1","9","7","2","6","8","1") = "8"
    & skf18("1","9","7","2","6","9","1") = "8"
    & skf18("1","9","7","2","6","10","1") = "9"
    & skf18("1","9","7","2","7","1","1") = "8"
    & skf18("1","9","7","2","7","2","1") = "8"
    & skf18("1","9","7","2","7","3","1") = "8"
    & skf18("1","9","7","2","7","4","1") = "8"
    & skf18("1","9","7","2","7","5","1") = "8"
    & skf18("1","9","7","2","7","6","1") = "8"
    & skf18("1","9","7","2","7","7","1") = "8"
    & skf18("1","9","7","2","7","8","1") = "8"
    & skf18("1","9","7","2","7","9","1") = "8"
    & skf18("1","9","7","2","7","10","1") = "9"
    & skf18("1","9","7","2","8","1","1") = "8"
    & skf18("1","9","7","2","8","2","1") = "8"
    & skf18("1","9","7","2","8","3","1") = "8"
    & skf18("1","9","7","2","8","4","1") = "8"
    & skf18("1","9","7","2","8","5","1") = "8"
    & skf18("1","9","7","2","8","6","1") = "8"
    & skf18("1","9","7","2","8","7","1") = "8"
    & skf18("1","9","7","2","8","8","1") = "8"
    & skf18("1","9","7","2","8","9","1") = "8"
    & skf18("1","9","7","2","8","10","1") = "9"
    & skf18("1","9","7","2","9","1","1") = "8"
    & skf18("1","9","7","2","9","2","1") = "8"
    & skf18("1","9","7","2","9","3","1") = "8"
    & skf18("1","9","7","2","9","4","1") = "8"
    & skf18("1","9","7","2","9","5","1") = "8"
    & skf18("1","9","7","2","9","6","1") = "8"
    & skf18("1","9","7","2","9","7","1") = "8"
    & skf18("1","9","7","2","9","8","1") = "8"
    & skf18("1","9","7","2","9","9","1") = "8"
    & skf18("1","9","7","2","9","10","1") = "9"
    & skf18("1","9","7","2","10","1","1") = "9"
    & skf18("1","9","7","2","10","2","1") = "9"
    & skf18("1","9","7","2","10","3","1") = "9"
    & skf18("1","9","7","2","10","4","1") = "9"
    & skf18("1","9","7","2","10","5","1") = "9"
    & skf18("1","9","7","2","10","6","1") = "9"
    & skf18("1","9","7","2","10","7","1") = "9"
    & skf18("1","9","7","2","10","8","1") = "9"
    & skf18("1","9","7","2","10","9","1") = "9"
    & skf18("1","9","7","2","10","10","1") = "9"
    & skf18("1","9","7","3","1","1","1") = "8"
    & skf18("1","9","7","3","1","2","1") = "8"
    & skf18("1","9","7","3","1","3","1") = "8"
    & skf18("1","9","7","3","1","4","1") = "8"
    & skf18("1","9","7","3","1","5","1") = "8"
    & skf18("1","9","7","3","1","6","1") = "8"
    & skf18("1","9","7","3","1","7","1") = "8"
    & skf18("1","9","7","3","1","8","1") = "8"
    & skf18("1","9","7","3","1","9","1") = "8"
    & skf18("1","9","7","3","1","10","1") = "9"
    & skf18("1","9","7","3","2","1","1") = "8"
    & skf18("1","9","7","3","2","2","1") = "8"
    & skf18("1","9","7","3","2","3","1") = "8"
    & skf18("1","9","7","3","2","4","1") = "8"
    & skf18("1","9","7","3","2","5","1") = "8"
    & skf18("1","9","7","3","2","6","1") = "8"
    & skf18("1","9","7","3","2","7","1") = "8"
    & skf18("1","9","7","3","2","8","1") = "8"
    & skf18("1","9","7","3","2","9","1") = "8"
    & skf18("1","9","7","3","2","10","1") = "9"
    & skf18("1","9","7","3","3","1","1") = "8"
    & skf18("1","9","7","3","3","2","1") = "8"
    & skf18("1","9","7","3","3","3","1") = "8"
    & skf18("1","9","7","3","3","4","1") = "8"
    & skf18("1","9","7","3","3","5","1") = "8"
    & skf18("1","9","7","3","3","6","1") = "8"
    & skf18("1","9","7","3","3","7","1") = "8"
    & skf18("1","9","7","3","3","8","1") = "8"
    & skf18("1","9","7","3","3","9","1") = "8"
    & skf18("1","9","7","3","3","10","1") = "9"
    & skf18("1","9","7","3","4","1","1") = "8"
    & skf18("1","9","7","3","4","2","1") = "8"
    & skf18("1","9","7","3","4","3","1") = "8"
    & skf18("1","9","7","3","4","4","1") = "8"
    & skf18("1","9","7","3","4","5","1") = "8"
    & skf18("1","9","7","3","4","6","1") = "8"
    & skf18("1","9","7","3","4","7","1") = "8"
    & skf18("1","9","7","3","4","8","1") = "8"
    & skf18("1","9","7","3","4","9","1") = "8"
    & skf18("1","9","7","3","4","10","1") = "9"
    & skf18("1","9","7","3","5","1","1") = "8"
    & skf18("1","9","7","3","5","2","1") = "8"
    & skf18("1","9","7","3","5","3","1") = "8"
    & skf18("1","9","7","3","5","4","1") = "8"
    & skf18("1","9","7","3","5","5","1") = "8"
    & skf18("1","9","7","3","5","6","1") = "8"
    & skf18("1","9","7","3","5","7","1") = "8"
    & skf18("1","9","7","3","5","8","1") = "8"
    & skf18("1","9","7","3","5","9","1") = "8"
    & skf18("1","9","7","3","5","10","1") = "9"
    & skf18("1","9","7","3","6","1","1") = "8"
    & skf18("1","9","7","3","6","2","1") = "8"
    & skf18("1","9","7","3","6","3","1") = "8"
    & skf18("1","9","7","3","6","4","1") = "8"
    & skf18("1","9","7","3","6","5","1") = "8"
    & skf18("1","9","7","3","6","6","1") = "8"
    & skf18("1","9","7","3","6","7","1") = "8"
    & skf18("1","9","7","3","6","8","1") = "8"
    & skf18("1","9","7","3","6","9","1") = "8"
    & skf18("1","9","7","3","6","10","1") = "9"
    & skf18("1","9","7","3","7","1","1") = "8"
    & skf18("1","9","7","3","7","2","1") = "8"
    & skf18("1","9","7","3","7","3","1") = "8"
    & skf18("1","9","7","3","7","4","1") = "8"
    & skf18("1","9","7","3","7","5","1") = "8"
    & skf18("1","9","7","3","7","6","1") = "8"
    & skf18("1","9","7","3","7","7","1") = "8"
    & skf18("1","9","7","3","7","8","1") = "8"
    & skf18("1","9","7","3","7","9","1") = "8"
    & skf18("1","9","7","3","7","10","1") = "9"
    & skf18("1","9","7","3","8","1","1") = "8"
    & skf18("1","9","7","3","8","2","1") = "8"
    & skf18("1","9","7","3","8","3","1") = "8"
    & skf18("1","9","7","3","8","4","1") = "8"
    & skf18("1","9","7","3","8","5","1") = "8"
    & skf18("1","9","7","3","8","6","1") = "8"
    & skf18("1","9","7","3","8","7","1") = "8"
    & skf18("1","9","7","3","8","8","1") = "8"
    & skf18("1","9","7","3","8","9","1") = "8"
    & skf18("1","9","7","3","8","10","1") = "9"
    & skf18("1","9","7","3","9","1","1") = "8"
    & skf18("1","9","7","3","9","2","1") = "8"
    & skf18("1","9","7","3","9","3","1") = "8"
    & skf18("1","9","7","3","9","4","1") = "8"
    & skf18("1","9","7","3","9","5","1") = "8"
    & skf18("1","9","7","3","9","6","1") = "8"
    & skf18("1","9","7","3","9","7","1") = "8"
    & skf18("1","9","7","3","9","8","1") = "8"
    & skf18("1","9","7","3","9","9","1") = "8"
    & skf18("1","9","7","3","9","10","1") = "9"
    & skf18("1","9","7","3","10","1","1") = "9"
    & skf18("1","9","7","3","10","2","1") = "9"
    & skf18("1","9","7","3","10","3","1") = "9"
    & skf18("1","9","7","3","10","4","1") = "9"
    & skf18("1","9","7","3","10","5","1") = "9"
    & skf18("1","9","7","3","10","6","1") = "9"
    & skf18("1","9","7","3","10","7","1") = "9"
    & skf18("1","9","7","3","10","8","1") = "9"
    & skf18("1","9","7","3","10","9","1") = "9"
    & skf18("1","9","7","3","10","10","1") = "9"
    & skf18("1","9","7","4","1","1","1") = "8"
    & skf18("1","9","7","4","1","2","1") = "8"
    & skf18("1","9","7","4","1","3","1") = "8"
    & skf18("1","9","7","4","1","4","1") = "8"
    & skf18("1","9","7","4","1","5","1") = "8"
    & skf18("1","9","7","4","1","6","1") = "8"
    & skf18("1","9","7","4","1","7","1") = "8"
    & skf18("1","9","7","4","1","8","1") = "8"
    & skf18("1","9","7","4","1","9","1") = "8"
    & skf18("1","9","7","4","1","10","1") = "9"
    & skf18("1","9","7","4","2","1","1") = "8"
    & skf18("1","9","7","4","2","2","1") = "8"
    & skf18("1","9","7","4","2","3","1") = "8"
    & skf18("1","9","7","4","2","4","1") = "8"
    & skf18("1","9","7","4","2","5","1") = "8"
    & skf18("1","9","7","4","2","6","1") = "8"
    & skf18("1","9","7","4","2","7","1") = "8"
    & skf18("1","9","7","4","2","8","1") = "8"
    & skf18("1","9","7","4","2","9","1") = "8"
    & skf18("1","9","7","4","2","10","1") = "9"
    & skf18("1","9","7","4","3","1","1") = "8"
    & skf18("1","9","7","4","3","2","1") = "8"
    & skf18("1","9","7","4","3","3","1") = "8"
    & skf18("1","9","7","4","3","4","1") = "8"
    & skf18("1","9","7","4","3","5","1") = "8"
    & skf18("1","9","7","4","3","6","1") = "8"
    & skf18("1","9","7","4","3","7","1") = "8"
    & skf18("1","9","7","4","3","8","1") = "8"
    & skf18("1","9","7","4","3","9","1") = "8"
    & skf18("1","9","7","4","3","10","1") = "9"
    & skf18("1","9","7","4","4","1","1") = "8"
    & skf18("1","9","7","4","4","2","1") = "8"
    & skf18("1","9","7","4","4","3","1") = "8"
    & skf18("1","9","7","4","4","4","1") = "8"
    & skf18("1","9","7","4","4","5","1") = "8"
    & skf18("1","9","7","4","4","6","1") = "8"
    & skf18("1","9","7","4","4","7","1") = "8"
    & skf18("1","9","7","4","4","8","1") = "8"
    & skf18("1","9","7","4","4","9","1") = "8"
    & skf18("1","9","7","4","4","10","1") = "9"
    & skf18("1","9","7","4","5","1","1") = "8"
    & skf18("1","9","7","4","5","2","1") = "8"
    & skf18("1","9","7","4","5","3","1") = "8"
    & skf18("1","9","7","4","5","4","1") = "8"
    & skf18("1","9","7","4","5","5","1") = "8"
    & skf18("1","9","7","4","5","6","1") = "8"
    & skf18("1","9","7","4","5","7","1") = "8"
    & skf18("1","9","7","4","5","8","1") = "8"
    & skf18("1","9","7","4","5","9","1") = "8"
    & skf18("1","9","7","4","5","10","1") = "9"
    & skf18("1","9","7","4","6","1","1") = "8"
    & skf18("1","9","7","4","6","2","1") = "8"
    & skf18("1","9","7","4","6","3","1") = "8"
    & skf18("1","9","7","4","6","4","1") = "8"
    & skf18("1","9","7","4","6","5","1") = "8"
    & skf18("1","9","7","4","6","6","1") = "8"
    & skf18("1","9","7","4","6","7","1") = "8"
    & skf18("1","9","7","4","6","8","1") = "8"
    & skf18("1","9","7","4","6","9","1") = "8"
    & skf18("1","9","7","4","6","10","1") = "9"
    & skf18("1","9","7","4","7","1","1") = "8"
    & skf18("1","9","7","4","7","2","1") = "8"
    & skf18("1","9","7","4","7","3","1") = "8"
    & skf18("1","9","7","4","7","4","1") = "8"
    & skf18("1","9","7","4","7","5","1") = "8"
    & skf18("1","9","7","4","7","6","1") = "8"
    & skf18("1","9","7","4","7","7","1") = "8"
    & skf18("1","9","7","4","7","8","1") = "8"
    & skf18("1","9","7","4","7","9","1") = "8"
    & skf18("1","9","7","4","7","10","1") = "9"
    & skf18("1","9","7","4","8","1","1") = "8"
    & skf18("1","9","7","4","8","2","1") = "8"
    & skf18("1","9","7","4","8","3","1") = "8"
    & skf18("1","9","7","4","8","4","1") = "8"
    & skf18("1","9","7","4","8","5","1") = "8"
    & skf18("1","9","7","4","8","6","1") = "8"
    & skf18("1","9","7","4","8","7","1") = "8"
    & skf18("1","9","7","4","8","8","1") = "8"
    & skf18("1","9","7","4","8","9","1") = "8"
    & skf18("1","9","7","4","8","10","1") = "9"
    & skf18("1","9","7","4","9","1","1") = "8"
    & skf18("1","9","7","4","9","2","1") = "8"
    & skf18("1","9","7","4","9","3","1") = "8"
    & skf18("1","9","7","4","9","4","1") = "8"
    & skf18("1","9","7","4","9","5","1") = "8"
    & skf18("1","9","7","4","9","6","1") = "8"
    & skf18("1","9","7","4","9","7","1") = "8"
    & skf18("1","9","7","4","9","8","1") = "8"
    & skf18("1","9","7","4","9","9","1") = "8"
    & skf18("1","9","7","4","9","10","1") = "9"
    & skf18("1","9","7","4","10","1","1") = "9"
    & skf18("1","9","7","4","10","2","1") = "9"
    & skf18("1","9","7","4","10","3","1") = "9"
    & skf18("1","9","7","4","10","4","1") = "9"
    & skf18("1","9","7","4","10","5","1") = "9"
    & skf18("1","9","7","4","10","6","1") = "9"
    & skf18("1","9","7","4","10","7","1") = "9"
    & skf18("1","9","7","4","10","8","1") = "9"
    & skf18("1","9","7","4","10","9","1") = "9"
    & skf18("1","9","7","4","10","10","1") = "9"
    & skf18("1","9","7","5","1","1","1") = "8"
    & skf18("1","9","7","5","1","2","1") = "8"
    & skf18("1","9","7","5","1","3","1") = "8"
    & skf18("1","9","7","5","1","4","1") = "8"
    & skf18("1","9","7","5","1","5","1") = "8"
    & skf18("1","9","7","5","1","6","1") = "8"
    & skf18("1","9","7","5","1","7","1") = "8"
    & skf18("1","9","7","5","1","8","1") = "8"
    & skf18("1","9","7","5","1","9","1") = "8"
    & skf18("1","9","7","5","1","10","1") = "9"
    & skf18("1","9","7","5","2","1","1") = "8"
    & skf18("1","9","7","5","2","2","1") = "8"
    & skf18("1","9","7","5","2","3","1") = "8"
    & skf18("1","9","7","5","2","4","1") = "8"
    & skf18("1","9","7","5","2","5","1") = "8"
    & skf18("1","9","7","5","2","6","1") = "8"
    & skf18("1","9","7","5","2","7","1") = "8"
    & skf18("1","9","7","5","2","8","1") = "8"
    & skf18("1","9","7","5","2","9","1") = "8"
    & skf18("1","9","7","5","2","10","1") = "9"
    & skf18("1","9","7","5","3","1","1") = "8"
    & skf18("1","9","7","5","3","2","1") = "8"
    & skf18("1","9","7","5","3","3","1") = "8"
    & skf18("1","9","7","5","3","4","1") = "8"
    & skf18("1","9","7","5","3","5","1") = "8"
    & skf18("1","9","7","5","3","6","1") = "8"
    & skf18("1","9","7","5","3","7","1") = "8"
    & skf18("1","9","7","5","3","8","1") = "8"
    & skf18("1","9","7","5","3","9","1") = "8"
    & skf18("1","9","7","5","3","10","1") = "9"
    & skf18("1","9","7","5","4","1","1") = "8"
    & skf18("1","9","7","5","4","2","1") = "8"
    & skf18("1","9","7","5","4","3","1") = "8"
    & skf18("1","9","7","5","4","4","1") = "8"
    & skf18("1","9","7","5","4","5","1") = "8"
    & skf18("1","9","7","5","4","6","1") = "8"
    & skf18("1","9","7","5","4","7","1") = "8"
    & skf18("1","9","7","5","4","8","1") = "8"
    & skf18("1","9","7","5","4","9","1") = "8"
    & skf18("1","9","7","5","4","10","1") = "9"
    & skf18("1","9","7","5","5","1","1") = "8"
    & skf18("1","9","7","5","5","2","1") = "8"
    & skf18("1","9","7","5","5","3","1") = "8"
    & skf18("1","9","7","5","5","4","1") = "8"
    & skf18("1","9","7","5","5","5","1") = "8"
    & skf18("1","9","7","5","5","6","1") = "8"
    & skf18("1","9","7","5","5","7","1") = "8"
    & skf18("1","9","7","5","5","8","1") = "8"
    & skf18("1","9","7","5","5","9","1") = "8"
    & skf18("1","9","7","5","5","10","1") = "9"
    & skf18("1","9","7","5","6","1","1") = "8"
    & skf18("1","9","7","5","6","2","1") = "8"
    & skf18("1","9","7","5","6","3","1") = "8"
    & skf18("1","9","7","5","6","4","1") = "8"
    & skf18("1","9","7","5","6","5","1") = "8"
    & skf18("1","9","7","5","6","6","1") = "8"
    & skf18("1","9","7","5","6","7","1") = "8"
    & skf18("1","9","7","5","6","8","1") = "8"
    & skf18("1","9","7","5","6","9","1") = "8"
    & skf18("1","9","7","5","6","10","1") = "9"
    & skf18("1","9","7","5","7","1","1") = "8"
    & skf18("1","9","7","5","7","2","1") = "8"
    & skf18("1","9","7","5","7","3","1") = "8"
    & skf18("1","9","7","5","7","4","1") = "8"
    & skf18("1","9","7","5","7","5","1") = "8"
    & skf18("1","9","7","5","7","6","1") = "8"
    & skf18("1","9","7","5","7","7","1") = "8"
    & skf18("1","9","7","5","7","8","1") = "8"
    & skf18("1","9","7","5","7","9","1") = "8"
    & skf18("1","9","7","5","7","10","1") = "9"
    & skf18("1","9","7","5","8","1","1") = "8"
    & skf18("1","9","7","5","8","2","1") = "8"
    & skf18("1","9","7","5","8","3","1") = "8"
    & skf18("1","9","7","5","8","4","1") = "8"
    & skf18("1","9","7","5","8","5","1") = "8"
    & skf18("1","9","7","5","8","6","1") = "8"
    & skf18("1","9","7","5","8","7","1") = "8"
    & skf18("1","9","7","5","8","8","1") = "8"
    & skf18("1","9","7","5","8","9","1") = "8"
    & skf18("1","9","7","5","8","10","1") = "9"
    & skf18("1","9","7","5","9","1","1") = "8"
    & skf18("1","9","7","5","9","2","1") = "8"
    & skf18("1","9","7","5","9","3","1") = "8"
    & skf18("1","9","7","5","9","4","1") = "8"
    & skf18("1","9","7","5","9","5","1") = "8"
    & skf18("1","9","7","5","9","6","1") = "8"
    & skf18("1","9","7","5","9","7","1") = "8"
    & skf18("1","9","7","5","9","8","1") = "8"
    & skf18("1","9","7","5","9","9","1") = "8"
    & skf18("1","9","7","5","9","10","1") = "9"
    & skf18("1","9","7","5","10","1","1") = "9"
    & skf18("1","9","7","5","10","2","1") = "9"
    & skf18("1","9","7","5","10","3","1") = "9"
    & skf18("1","9","7","5","10","4","1") = "9"
    & skf18("1","9","7","5","10","5","1") = "9"
    & skf18("1","9","7","5","10","6","1") = "9"
    & skf18("1","9","7","5","10","7","1") = "9"
    & skf18("1","9","7","5","10","8","1") = "9"
    & skf18("1","9","7","5","10","9","1") = "9"
    & skf18("1","9","7","5","10","10","1") = "9"
    & skf18("1","9","7","6","1","1","1") = "8"
    & skf18("1","9","7","6","1","2","1") = "8"
    & skf18("1","9","7","6","1","3","1") = "8"
    & skf18("1","9","7","6","1","4","1") = "8"
    & skf18("1","9","7","6","1","5","1") = "8"
    & skf18("1","9","7","6","1","6","1") = "8"
    & skf18("1","9","7","6","1","7","1") = "8"
    & skf18("1","9","7","6","1","8","1") = "8"
    & skf18("1","9","7","6","1","9","1") = "8"
    & skf18("1","9","7","6","1","10","1") = "9"
    & skf18("1","9","7","6","2","1","1") = "8"
    & skf18("1","9","7","6","2","2","1") = "8"
    & skf18("1","9","7","6","2","3","1") = "8"
    & skf18("1","9","7","6","2","4","1") = "8"
    & skf18("1","9","7","6","2","5","1") = "8"
    & skf18("1","9","7","6","2","6","1") = "8"
    & skf18("1","9","7","6","2","7","1") = "8"
    & skf18("1","9","7","6","2","8","1") = "8"
    & skf18("1","9","7","6","2","9","1") = "8"
    & skf18("1","9","7","6","2","10","1") = "9"
    & skf18("1","9","7","6","3","1","1") = "8"
    & skf18("1","9","7","6","3","2","1") = "8"
    & skf18("1","9","7","6","3","3","1") = "8"
    & skf18("1","9","7","6","3","4","1") = "8"
    & skf18("1","9","7","6","3","5","1") = "8"
    & skf18("1","9","7","6","3","6","1") = "8"
    & skf18("1","9","7","6","3","7","1") = "8"
    & skf18("1","9","7","6","3","8","1") = "8"
    & skf18("1","9","7","6","3","9","1") = "8"
    & skf18("1","9","7","6","3","10","1") = "9"
    & skf18("1","9","7","6","4","1","1") = "8"
    & skf18("1","9","7","6","4","2","1") = "8"
    & skf18("1","9","7","6","4","3","1") = "8"
    & skf18("1","9","7","6","4","4","1") = "8"
    & skf18("1","9","7","6","4","5","1") = "8"
    & skf18("1","9","7","6","4","6","1") = "8"
    & skf18("1","9","7","6","4","7","1") = "8"
    & skf18("1","9","7","6","4","8","1") = "8"
    & skf18("1","9","7","6","4","9","1") = "8"
    & skf18("1","9","7","6","4","10","1") = "9"
    & skf18("1","9","7","6","5","1","1") = "8"
    & skf18("1","9","7","6","5","2","1") = "8"
    & skf18("1","9","7","6","5","3","1") = "8"
    & skf18("1","9","7","6","5","4","1") = "8"
    & skf18("1","9","7","6","5","5","1") = "8"
    & skf18("1","9","7","6","5","6","1") = "8"
    & skf18("1","9","7","6","5","7","1") = "8"
    & skf18("1","9","7","6","5","8","1") = "8"
    & skf18("1","9","7","6","5","9","1") = "8"
    & skf18("1","9","7","6","5","10","1") = "9"
    & skf18("1","9","7","6","6","1","1") = "8"
    & skf18("1","9","7","6","6","2","1") = "8"
    & skf18("1","9","7","6","6","3","1") = "8"
    & skf18("1","9","7","6","6","4","1") = "8"
    & skf18("1","9","7","6","6","5","1") = "8"
    & skf18("1","9","7","6","6","6","1") = "8"
    & skf18("1","9","7","6","6","7","1") = "8"
    & skf18("1","9","7","6","6","8","1") = "8"
    & skf18("1","9","7","6","6","9","1") = "8"
    & skf18("1","9","7","6","6","10","1") = "9"
    & skf18("1","9","7","6","7","1","1") = "8"
    & skf18("1","9","7","6","7","2","1") = "8"
    & skf18("1","9","7","6","7","3","1") = "8"
    & skf18("1","9","7","6","7","4","1") = "8"
    & skf18("1","9","7","6","7","5","1") = "8"
    & skf18("1","9","7","6","7","6","1") = "8"
    & skf18("1","9","7","6","7","7","1") = "8"
    & skf18("1","9","7","6","7","8","1") = "8"
    & skf18("1","9","7","6","7","9","1") = "8"
    & skf18("1","9","7","6","7","10","1") = "9"
    & skf18("1","9","7","6","8","1","1") = "8"
    & skf18("1","9","7","6","8","2","1") = "8"
    & skf18("1","9","7","6","8","3","1") = "8"
    & skf18("1","9","7","6","8","4","1") = "8"
    & skf18("1","9","7","6","8","5","1") = "8"
    & skf18("1","9","7","6","8","6","1") = "8"
    & skf18("1","9","7","6","8","7","1") = "8"
    & skf18("1","9","7","6","8","8","1") = "8"
    & skf18("1","9","7","6","8","9","1") = "8"
    & skf18("1","9","7","6","8","10","1") = "9"
    & skf18("1","9","7","6","9","1","1") = "8"
    & skf18("1","9","7","6","9","2","1") = "8"
    & skf18("1","9","7","6","9","3","1") = "8"
    & skf18("1","9","7","6","9","4","1") = "8"
    & skf18("1","9","7","6","9","5","1") = "8"
    & skf18("1","9","7","6","9","6","1") = "8"
    & skf18("1","9","7","6","9","7","1") = "8"
    & skf18("1","9","7","6","9","8","1") = "8"
    & skf18("1","9","7","6","9","9","1") = "8"
    & skf18("1","9","7","6","9","10","1") = "9"
    & skf18("1","9","7","6","10","1","1") = "9"
    & skf18("1","9","7","6","10","2","1") = "9"
    & skf18("1","9","7","6","10","3","1") = "9"
    & skf18("1","9","7","6","10","4","1") = "9"
    & skf18("1","9","7","6","10","5","1") = "9"
    & skf18("1","9","7","6","10","6","1") = "9"
    & skf18("1","9","7","6","10","7","1") = "9"
    & skf18("1","9","7","6","10","8","1") = "9"
    & skf18("1","9","7","6","10","9","1") = "9"
    & skf18("1","9","7","6","10","10","1") = "9"
    & skf18("1","9","7","7","1","1","1") = "8"
    & skf18("1","9","7","7","1","2","1") = "8"
    & skf18("1","9","7","7","1","3","1") = "8"
    & skf18("1","9","7","7","1","4","1") = "8"
    & skf18("1","9","7","7","1","5","1") = "8"
    & skf18("1","9","7","7","1","6","1") = "8"
    & skf18("1","9","7","7","1","7","1") = "8"
    & skf18("1","9","7","7","1","8","1") = "8"
    & skf18("1","9","7","7","1","9","1") = "8"
    & skf18("1","9","7","7","1","10","1") = "9"
    & skf18("1","9","7","7","2","1","1") = "8"
    & skf18("1","9","7","7","2","2","1") = "8"
    & skf18("1","9","7","7","2","3","1") = "8"
    & skf18("1","9","7","7","2","4","1") = "8"
    & skf18("1","9","7","7","2","5","1") = "8"
    & skf18("1","9","7","7","2","6","1") = "8"
    & skf18("1","9","7","7","2","7","1") = "8"
    & skf18("1","9","7","7","2","8","1") = "8"
    & skf18("1","9","7","7","2","9","1") = "8"
    & skf18("1","9","7","7","2","10","1") = "9"
    & skf18("1","9","7","7","3","1","1") = "8"
    & skf18("1","9","7","7","3","2","1") = "8"
    & skf18("1","9","7","7","3","3","1") = "8"
    & skf18("1","9","7","7","3","4","1") = "8"
    & skf18("1","9","7","7","3","5","1") = "8"
    & skf18("1","9","7","7","3","6","1") = "8"
    & skf18("1","9","7","7","3","7","1") = "8"
    & skf18("1","9","7","7","3","8","1") = "8"
    & skf18("1","9","7","7","3","9","1") = "8"
    & skf18("1","9","7","7","3","10","1") = "9"
    & skf18("1","9","7","7","4","1","1") = "8"
    & skf18("1","9","7","7","4","2","1") = "8"
    & skf18("1","9","7","7","4","3","1") = "8"
    & skf18("1","9","7","7","4","4","1") = "8"
    & skf18("1","9","7","7","4","5","1") = "8"
    & skf18("1","9","7","7","4","6","1") = "8"
    & skf18("1","9","7","7","4","7","1") = "8"
    & skf18("1","9","7","7","4","8","1") = "8"
    & skf18("1","9","7","7","4","9","1") = "8"
    & skf18("1","9","7","7","4","10","1") = "9"
    & skf18("1","9","7","7","5","1","1") = "8"
    & skf18("1","9","7","7","5","2","1") = "8"
    & skf18("1","9","7","7","5","3","1") = "8"
    & skf18("1","9","7","7","5","4","1") = "8"
    & skf18("1","9","7","7","5","5","1") = "8"
    & skf18("1","9","7","7","5","6","1") = "8"
    & skf18("1","9","7","7","5","7","1") = "8"
    & skf18("1","9","7","7","5","8","1") = "8"
    & skf18("1","9","7","7","5","9","1") = "8"
    & skf18("1","9","7","7","5","10","1") = "9"
    & skf18("1","9","7","7","6","1","1") = "8"
    & skf18("1","9","7","7","6","2","1") = "8"
    & skf18("1","9","7","7","6","3","1") = "8"
    & skf18("1","9","7","7","6","4","1") = "8"
    & skf18("1","9","7","7","6","5","1") = "8"
    & skf18("1","9","7","7","6","6","1") = "8"
    & skf18("1","9","7","7","6","7","1") = "8"
    & skf18("1","9","7","7","6","8","1") = "8"
    & skf18("1","9","7","7","6","9","1") = "8"
    & skf18("1","9","7","7","6","10","1") = "9"
    & skf18("1","9","7","7","7","1","1") = "8"
    & skf18("1","9","7","7","7","2","1") = "8"
    & skf18("1","9","7","7","7","3","1") = "8"
    & skf18("1","9","7","7","7","4","1") = "8"
    & skf18("1","9","7","7","7","5","1") = "8"
    & skf18("1","9","7","7","7","6","1") = "8"
    & skf18("1","9","7","7","7","7","1") = "8"
    & skf18("1","9","7","7","7","8","1") = "8"
    & skf18("1","9","7","7","7","9","1") = "8"
    & skf18("1","9","7","7","7","10","1") = "9"
    & skf18("1","9","7","7","8","1","1") = "8"
    & skf18("1","9","7","7","8","2","1") = "8"
    & skf18("1","9","7","7","8","3","1") = "8"
    & skf18("1","9","7","7","8","4","1") = "8"
    & skf18("1","9","7","7","8","5","1") = "8"
    & skf18("1","9","7","7","8","6","1") = "8"
    & skf18("1","9","7","7","8","7","1") = "8"
    & skf18("1","9","7","7","8","8","1") = "8"
    & skf18("1","9","7","7","8","9","1") = "8"
    & skf18("1","9","7","7","8","10","1") = "9"
    & skf18("1","9","7","7","9","1","1") = "8"
    & skf18("1","9","7","7","9","2","1") = "8"
    & skf18("1","9","7","7","9","3","1") = "8"
    & skf18("1","9","7","7","9","4","1") = "8"
    & skf18("1","9","7","7","9","5","1") = "8"
    & skf18("1","9","7","7","9","6","1") = "8"
    & skf18("1","9","7","7","9","7","1") = "8"
    & skf18("1","9","7","7","9","8","1") = "8"
    & skf18("1","9","7","7","9","9","1") = "8"
    & skf18("1","9","7","7","9","10","1") = "9"
    & skf18("1","9","7","7","10","1","1") = "9"
    & skf18("1","9","7","7","10","2","1") = "9"
    & skf18("1","9","7","7","10","3","1") = "9"
    & skf18("1","9","7","7","10","4","1") = "9"
    & skf18("1","9","7","7","10","5","1") = "9"
    & skf18("1","9","7","7","10","6","1") = "9"
    & skf18("1","9","7","7","10","7","1") = "9"
    & skf18("1","9","7","7","10","8","1") = "9"
    & skf18("1","9","7","7","10","9","1") = "9"
    & skf18("1","9","7","7","10","10","1") = "9"
    & skf18("1","9","7","8","1","1","1") = "8"
    & skf18("1","9","7","8","1","2","1") = "8"
    & skf18("1","9","7","8","1","3","1") = "8"
    & skf18("1","9","7","8","1","4","1") = "8"
    & skf18("1","9","7","8","1","5","1") = "8"
    & skf18("1","9","7","8","1","6","1") = "8"
    & skf18("1","9","7","8","1","7","1") = "8"
    & skf18("1","9","7","8","1","8","1") = "8"
    & skf18("1","9","7","8","1","9","1") = "8"
    & skf18("1","9","7","8","1","10","1") = "9"
    & skf18("1","9","7","8","2","1","1") = "8"
    & skf18("1","9","7","8","2","2","1") = "8"
    & skf18("1","9","7","8","2","3","1") = "8"
    & skf18("1","9","7","8","2","4","1") = "8"
    & skf18("1","9","7","8","2","5","1") = "8"
    & skf18("1","9","7","8","2","6","1") = "8"
    & skf18("1","9","7","8","2","7","1") = "8"
    & skf18("1","9","7","8","2","8","1") = "8"
    & skf18("1","9","7","8","2","9","1") = "8"
    & skf18("1","9","7","8","2","10","1") = "9"
    & skf18("1","9","7","8","3","1","1") = "8"
    & skf18("1","9","7","8","3","2","1") = "8"
    & skf18("1","9","7","8","3","3","1") = "8"
    & skf18("1","9","7","8","3","4","1") = "8"
    & skf18("1","9","7","8","3","5","1") = "8"
    & skf18("1","9","7","8","3","6","1") = "8"
    & skf18("1","9","7","8","3","7","1") = "8"
    & skf18("1","9","7","8","3","8","1") = "8"
    & skf18("1","9","7","8","3","9","1") = "8"
    & skf18("1","9","7","8","3","10","1") = "9"
    & skf18("1","9","7","8","4","1","1") = "8"
    & skf18("1","9","7","8","4","2","1") = "8"
    & skf18("1","9","7","8","4","3","1") = "8"
    & skf18("1","9","7","8","4","4","1") = "8"
    & skf18("1","9","7","8","4","5","1") = "8"
    & skf18("1","9","7","8","4","6","1") = "8"
    & skf18("1","9","7","8","4","7","1") = "8"
    & skf18("1","9","7","8","4","8","1") = "8"
    & skf18("1","9","7","8","4","9","1") = "8"
    & skf18("1","9","7","8","4","10","1") = "9"
    & skf18("1","9","7","8","5","1","1") = "8"
    & skf18("1","9","7","8","5","2","1") = "8"
    & skf18("1","9","7","8","5","3","1") = "8"
    & skf18("1","9","7","8","5","4","1") = "8"
    & skf18("1","9","7","8","5","5","1") = "8"
    & skf18("1","9","7","8","5","6","1") = "8"
    & skf18("1","9","7","8","5","7","1") = "8"
    & skf18("1","9","7","8","5","8","1") = "8"
    & skf18("1","9","7","8","5","9","1") = "8"
    & skf18("1","9","7","8","5","10","1") = "9"
    & skf18("1","9","7","8","6","1","1") = "8"
    & skf18("1","9","7","8","6","2","1") = "8"
    & skf18("1","9","7","8","6","3","1") = "8"
    & skf18("1","9","7","8","6","4","1") = "8"
    & skf18("1","9","7","8","6","5","1") = "8"
    & skf18("1","9","7","8","6","6","1") = "8"
    & skf18("1","9","7","8","6","7","1") = "8"
    & skf18("1","9","7","8","6","8","1") = "8"
    & skf18("1","9","7","8","6","9","1") = "8"
    & skf18("1","9","7","8","6","10","1") = "9"
    & skf18("1","9","7","8","7","1","1") = "8"
    & skf18("1","9","7","8","7","2","1") = "8"
    & skf18("1","9","7","8","7","3","1") = "8"
    & skf18("1","9","7","8","7","4","1") = "8"
    & skf18("1","9","7","8","7","5","1") = "8"
    & skf18("1","9","7","8","7","6","1") = "8"
    & skf18("1","9","7","8","7","7","1") = "8"
    & skf18("1","9","7","8","7","8","1") = "8"
    & skf18("1","9","7","8","7","9","1") = "8"
    & skf18("1","9","7","8","7","10","1") = "9"
    & skf18("1","9","7","8","8","1","1") = "8"
    & skf18("1","9","7","8","8","2","1") = "8"
    & skf18("1","9","7","8","8","3","1") = "8"
    & skf18("1","9","7","8","8","4","1") = "8"
    & skf18("1","9","7","8","8","5","1") = "8"
    & skf18("1","9","7","8","8","6","1") = "8"
    & skf18("1","9","7","8","8","7","1") = "8"
    & skf18("1","9","7","8","8","8","1") = "8"
    & skf18("1","9","7","8","8","9","1") = "8"
    & skf18("1","9","7","8","8","10","1") = "9"
    & skf18("1","9","7","8","9","1","1") = "8"
    & skf18("1","9","7","8","9","2","1") = "8"
    & skf18("1","9","7","8","9","3","1") = "8"
    & skf18("1","9","7","8","9","4","1") = "8"
    & skf18("1","9","7","8","9","5","1") = "8"
    & skf18("1","9","7","8","9","6","1") = "8"
    & skf18("1","9","7","8","9","7","1") = "8"
    & skf18("1","9","7","8","9","8","1") = "8"
    & skf18("1","9","7","8","9","9","1") = "8"
    & skf18("1","9","7","8","9","10","1") = "9"
    & skf18("1","9","7","8","10","1","1") = "9"
    & skf18("1","9","7","8","10","2","1") = "9"
    & skf18("1","9","7","8","10","3","1") = "9"
    & skf18("1","9","7","8","10","4","1") = "9"
    & skf18("1","9","7","8","10","5","1") = "9"
    & skf18("1","9","7","8","10","6","1") = "9"
    & skf18("1","9","7","8","10","7","1") = "9"
    & skf18("1","9","7","8","10","8","1") = "9"
    & skf18("1","9","7","8","10","9","1") = "9"
    & skf18("1","9","7","8","10","10","1") = "9"
    & skf18("1","9","7","9","1","1","1") = "8"
    & skf18("1","9","7","9","1","2","1") = "8"
    & skf18("1","9","7","9","1","3","1") = "8"
    & skf18("1","9","7","9","1","4","1") = "8"
    & skf18("1","9","7","9","1","5","1") = "8"
    & skf18("1","9","7","9","1","6","1") = "8"
    & skf18("1","9","7","9","1","7","1") = "8"
    & skf18("1","9","7","9","1","8","1") = "8"
    & skf18("1","9","7","9","1","9","1") = "8"
    & skf18("1","9","7","9","1","10","1") = "9"
    & skf18("1","9","7","9","2","1","1") = "8"
    & skf18("1","9","7","9","2","2","1") = "8"
    & skf18("1","9","7","9","2","3","1") = "8"
    & skf18("1","9","7","9","2","4","1") = "8"
    & skf18("1","9","7","9","2","5","1") = "8"
    & skf18("1","9","7","9","2","6","1") = "8"
    & skf18("1","9","7","9","2","7","1") = "8"
    & skf18("1","9","7","9","2","8","1") = "8"
    & skf18("1","9","7","9","2","9","1") = "8"
    & skf18("1","9","7","9","2","10","1") = "9"
    & skf18("1","9","7","9","3","1","1") = "8"
    & skf18("1","9","7","9","3","2","1") = "8"
    & skf18("1","9","7","9","3","3","1") = "8"
    & skf18("1","9","7","9","3","4","1") = "8"
    & skf18("1","9","7","9","3","5","1") = "8"
    & skf18("1","9","7","9","3","6","1") = "8"
    & skf18("1","9","7","9","3","7","1") = "8"
    & skf18("1","9","7","9","3","8","1") = "8"
    & skf18("1","9","7","9","3","9","1") = "8"
    & skf18("1","9","7","9","3","10","1") = "9"
    & skf18("1","9","7","9","4","1","1") = "8"
    & skf18("1","9","7","9","4","2","1") = "8"
    & skf18("1","9","7","9","4","3","1") = "8"
    & skf18("1","9","7","9","4","4","1") = "8"
    & skf18("1","9","7","9","4","5","1") = "8"
    & skf18("1","9","7","9","4","6","1") = "8"
    & skf18("1","9","7","9","4","7","1") = "8"
    & skf18("1","9","7","9","4","8","1") = "8"
    & skf18("1","9","7","9","4","9","1") = "8"
    & skf18("1","9","7","9","4","10","1") = "9"
    & skf18("1","9","7","9","5","1","1") = "8"
    & skf18("1","9","7","9","5","2","1") = "8"
    & skf18("1","9","7","9","5","3","1") = "8"
    & skf18("1","9","7","9","5","4","1") = "8"
    & skf18("1","9","7","9","5","5","1") = "8"
    & skf18("1","9","7","9","5","6","1") = "8"
    & skf18("1","9","7","9","5","7","1") = "8"
    & skf18("1","9","7","9","5","8","1") = "8"
    & skf18("1","9","7","9","5","9","1") = "8"
    & skf18("1","9","7","9","5","10","1") = "9"
    & skf18("1","9","7","9","6","1","1") = "8"
    & skf18("1","9","7","9","6","2","1") = "8"
    & skf18("1","9","7","9","6","3","1") = "8"
    & skf18("1","9","7","9","6","4","1") = "8"
    & skf18("1","9","7","9","6","5","1") = "8"
    & skf18("1","9","7","9","6","6","1") = "8"
    & skf18("1","9","7","9","6","7","1") = "8"
    & skf18("1","9","7","9","6","8","1") = "8"
    & skf18("1","9","7","9","6","9","1") = "8"
    & skf18("1","9","7","9","6","10","1") = "9"
    & skf18("1","9","7","9","7","1","1") = "8"
    & skf18("1","9","7","9","7","2","1") = "8"
    & skf18("1","9","7","9","7","3","1") = "8"
    & skf18("1","9","7","9","7","4","1") = "8"
    & skf18("1","9","7","9","7","5","1") = "8"
    & skf18("1","9","7","9","7","6","1") = "8"
    & skf18("1","9","7","9","7","7","1") = "8"
    & skf18("1","9","7","9","7","8","1") = "8"
    & skf18("1","9","7","9","7","9","1") = "8"
    & skf18("1","9","7","9","7","10","1") = "9"
    & skf18("1","9","7","9","8","1","1") = "8"
    & skf18("1","9","7","9","8","2","1") = "8"
    & skf18("1","9","7","9","8","3","1") = "8"
    & skf18("1","9","7","9","8","4","1") = "8"
    & skf18("1","9","7","9","8","5","1") = "8"
    & skf18("1","9","7","9","8","6","1") = "8"
    & skf18("1","9","7","9","8","7","1") = "8"
    & skf18("1","9","7","9","8","8","1") = "8"
    & skf18("1","9","7","9","8","9","1") = "8"
    & skf18("1","9","7","9","8","10","1") = "9"
    & skf18("1","9","7","9","9","1","1") = "8"
    & skf18("1","9","7","9","9","2","1") = "8"
    & skf18("1","9","7","9","9","3","1") = "8"
    & skf18("1","9","7","9","9","4","1") = "8"
    & skf18("1","9","7","9","9","5","1") = "8"
    & skf18("1","9","7","9","9","6","1") = "8"
    & skf18("1","9","7","9","9","7","1") = "8"
    & skf18("1","9","7","9","9","8","1") = "8"
    & skf18("1","9","7","9","9","9","1") = "8"
    & skf18("1","9","7","9","9","10","1") = "9"
    & skf18("1","9","7","9","10","1","1") = "9"
    & skf18("1","9","7","9","10","2","1") = "9"
    & skf18("1","9","7","9","10","3","1") = "9"
    & skf18("1","9","7","9","10","4","1") = "9"
    & skf18("1","9","7","9","10","5","1") = "9"
    & skf18("1","9","7","9","10","6","1") = "9"
    & skf18("1","9","7","9","10","7","1") = "9"
    & skf18("1","9","7","9","10","8","1") = "9"
    & skf18("1","9","7","9","10","9","1") = "9"
    & skf18("1","9","7","9","10","10","1") = "9"
    & skf18("1","9","7","10","1","1","1") = "9"
    & skf18("1","9","7","10","1","2","1") = "9"
    & skf18("1","9","7","10","1","3","1") = "9"
    & skf18("1","9","7","10","1","4","1") = "9"
    & skf18("1","9","7","10","1","5","1") = "9"
    & skf18("1","9","7","10","1","6","1") = "9"
    & skf18("1","9","7","10","1","7","1") = "9"
    & skf18("1","9","7","10","1","8","1") = "9"
    & skf18("1","9","7","10","1","9","1") = "9"
    & skf18("1","9","7","10","1","10","1") = "9"
    & skf18("1","9","7","10","2","1","1") = "9"
    & skf18("1","9","7","10","2","2","1") = "9"
    & skf18("1","9","7","10","2","3","1") = "9"
    & skf18("1","9","7","10","2","4","1") = "9"
    & skf18("1","9","7","10","2","5","1") = "9"
    & skf18("1","9","7","10","2","6","1") = "9"
    & skf18("1","9","7","10","2","7","1") = "9"
    & skf18("1","9","7","10","2","8","1") = "9"
    & skf18("1","9","7","10","2","9","1") = "9"
    & skf18("1","9","7","10","2","10","1") = "9"
    & skf18("1","9","7","10","3","1","1") = "9"
    & skf18("1","9","7","10","3","2","1") = "9"
    & skf18("1","9","7","10","3","3","1") = "9"
    & skf18("1","9","7","10","3","4","1") = "9"
    & skf18("1","9","7","10","3","5","1") = "9"
    & skf18("1","9","7","10","3","6","1") = "9"
    & skf18("1","9","7","10","3","7","1") = "9"
    & skf18("1","9","7","10","3","8","1") = "9"
    & skf18("1","9","7","10","3","9","1") = "9"
    & skf18("1","9","7","10","3","10","1") = "9"
    & skf18("1","9","7","10","4","1","1") = "9"
    & skf18("1","9","7","10","4","2","1") = "9"
    & skf18("1","9","7","10","4","3","1") = "9"
    & skf18("1","9","7","10","4","4","1") = "9"
    & skf18("1","9","7","10","4","5","1") = "9"
    & skf18("1","9","7","10","4","6","1") = "9"
    & skf18("1","9","7","10","4","7","1") = "9"
    & skf18("1","9","7","10","4","8","1") = "9"
    & skf18("1","9","7","10","4","9","1") = "9"
    & skf18("1","9","7","10","4","10","1") = "9"
    & skf18("1","9","7","10","5","1","1") = "9"
    & skf18("1","9","7","10","5","2","1") = "9"
    & skf18("1","9","7","10","5","3","1") = "9"
    & skf18("1","9","7","10","5","4","1") = "9"
    & skf18("1","9","7","10","5","5","1") = "9"
    & skf18("1","9","7","10","5","6","1") = "9"
    & skf18("1","9","7","10","5","7","1") = "9"
    & skf18("1","9","7","10","5","8","1") = "9"
    & skf18("1","9","7","10","5","9","1") = "9"
    & skf18("1","9","7","10","5","10","1") = "9"
    & skf18("1","9","7","10","6","1","1") = "9"
    & skf18("1","9","7","10","6","2","1") = "9"
    & skf18("1","9","7","10","6","3","1") = "9"
    & skf18("1","9","7","10","6","4","1") = "9"
    & skf18("1","9","7","10","6","5","1") = "9"
    & skf18("1","9","7","10","6","6","1") = "9"
    & skf18("1","9","7","10","6","7","1") = "9"
    & skf18("1","9","7","10","6","8","1") = "9"
    & skf18("1","9","7","10","6","9","1") = "9"
    & skf18("1","9","7","10","6","10","1") = "9"
    & skf18("1","9","7","10","7","1","1") = "9"
    & skf18("1","9","7","10","7","2","1") = "9"
    & skf18("1","9","7","10","7","3","1") = "9"
    & skf18("1","9","7","10","7","4","1") = "9"
    & skf18("1","9","7","10","7","5","1") = "9"
    & skf18("1","9","7","10","7","6","1") = "9"
    & skf18("1","9","7","10","7","7","1") = "9"
    & skf18("1","9","7","10","7","8","1") = "9"
    & skf18("1","9","7","10","7","9","1") = "9"
    & skf18("1","9","7","10","7","10","1") = "9"
    & skf18("1","9","7","10","8","1","1") = "9"
    & skf18("1","9","7","10","8","2","1") = "9"
    & skf18("1","9","7","10","8","3","1") = "9"
    & skf18("1","9","7","10","8","4","1") = "9"
    & skf18("1","9","7","10","8","5","1") = "9"
    & skf18("1","9","7","10","8","6","1") = "9"
    & skf18("1","9","7","10","8","7","1") = "9"
    & skf18("1","9","7","10","8","8","1") = "9"
    & skf18("1","9","7","10","8","9","1") = "9"
    & skf18("1","9","7","10","8","10","1") = "9"
    & skf18("1","9","7","10","9","1","1") = "9"
    & skf18("1","9","7","10","9","2","1") = "9"
    & skf18("1","9","7","10","9","3","1") = "9"
    & skf18("1","9","7","10","9","4","1") = "9"
    & skf18("1","9","7","10","9","5","1") = "9"
    & skf18("1","9","7","10","9","6","1") = "9"
    & skf18("1","9","7","10","9","7","1") = "9"
    & skf18("1","9","7","10","9","8","1") = "9"
    & skf18("1","9","7","10","9","9","1") = "9"
    & skf18("1","9","7","10","9","10","1") = "9"
    & skf18("1","9","7","10","10","1","1") = "9"
    & skf18("1","9","7","10","10","2","1") = "9"
    & skf18("1","9","7","10","10","3","1") = "9"
    & skf18("1","9","7","10","10","4","1") = "9"
    & skf18("1","9","7","10","10","5","1") = "9"
    & skf18("1","9","7","10","10","6","1") = "9"
    & skf18("1","9","7","10","10","7","1") = "9"
    & skf18("1","9","7","10","10","8","1") = "9"
    & skf18("1","9","7","10","10","9","1") = "9"
    & skf18("1","9","7","10","10","10","1") = "9"
    & skf18("1","9","8","1","1","1","1") = "8"
    & skf18("1","9","8","1","1","2","1") = "8"
    & skf18("1","9","8","1","1","3","1") = "8"
    & skf18("1","9","8","1","1","4","1") = "8"
    & skf18("1","9","8","1","1","5","1") = "8"
    & skf18("1","9","8","1","1","6","1") = "8"
    & skf18("1","9","8","1","1","7","1") = "8"
    & skf18("1","9","8","1","1","8","1") = "8"
    & skf18("1","9","8","1","1","9","1") = "8"
    & skf18("1","9","8","1","1","10","1") = "9"
    & skf18("1","9","8","1","2","1","1") = "8"
    & skf18("1","9","8","1","2","2","1") = "8"
    & skf18("1","9","8","1","2","3","1") = "8"
    & skf18("1","9","8","1","2","4","1") = "8"
    & skf18("1","9","8","1","2","5","1") = "8"
    & skf18("1","9","8","1","2","6","1") = "8"
    & skf18("1","9","8","1","2","7","1") = "8"
    & skf18("1","9","8","1","2","8","1") = "8"
    & skf18("1","9","8","1","2","9","1") = "8"
    & skf18("1","9","8","1","2","10","1") = "9"
    & skf18("1","9","8","1","3","1","1") = "8"
    & skf18("1","9","8","1","3","2","1") = "8"
    & skf18("1","9","8","1","3","3","1") = "8"
    & skf18("1","9","8","1","3","4","1") = "8"
    & skf18("1","9","8","1","3","5","1") = "8"
    & skf18("1","9","8","1","3","6","1") = "8"
    & skf18("1","9","8","1","3","7","1") = "8"
    & skf18("1","9","8","1","3","8","1") = "8"
    & skf18("1","9","8","1","3","9","1") = "8"
    & skf18("1","9","8","1","3","10","1") = "9"
    & skf18("1","9","8","1","4","1","1") = "8"
    & skf18("1","9","8","1","4","2","1") = "8"
    & skf18("1","9","8","1","4","3","1") = "8"
    & skf18("1","9","8","1","4","4","1") = "8"
    & skf18("1","9","8","1","4","5","1") = "8"
    & skf18("1","9","8","1","4","6","1") = "8"
    & skf18("1","9","8","1","4","7","1") = "8"
    & skf18("1","9","8","1","4","8","1") = "8"
    & skf18("1","9","8","1","4","9","1") = "8"
    & skf18("1","9","8","1","4","10","1") = "9"
    & skf18("1","9","8","1","5","1","1") = "8"
    & skf18("1","9","8","1","5","2","1") = "8"
    & skf18("1","9","8","1","5","3","1") = "8"
    & skf18("1","9","8","1","5","4","1") = "8"
    & skf18("1","9","8","1","5","5","1") = "8"
    & skf18("1","9","8","1","5","6","1") = "8"
    & skf18("1","9","8","1","5","7","1") = "8"
    & skf18("1","9","8","1","5","8","1") = "8"
    & skf18("1","9","8","1","5","9","1") = "8"
    & skf18("1","9","8","1","5","10","1") = "9"
    & skf18("1","9","8","1","6","1","1") = "8"
    & skf18("1","9","8","1","6","2","1") = "8"
    & skf18("1","9","8","1","6","3","1") = "8"
    & skf18("1","9","8","1","6","4","1") = "8"
    & skf18("1","9","8","1","6","5","1") = "8"
    & skf18("1","9","8","1","6","6","1") = "8"
    & skf18("1","9","8","1","6","7","1") = "8"
    & skf18("1","9","8","1","6","8","1") = "8"
    & skf18("1","9","8","1","6","9","1") = "8"
    & skf18("1","9","8","1","6","10","1") = "9"
    & skf18("1","9","8","1","7","1","1") = "8"
    & skf18("1","9","8","1","7","2","1") = "8"
    & skf18("1","9","8","1","7","3","1") = "8"
    & skf18("1","9","8","1","7","4","1") = "8"
    & skf18("1","9","8","1","7","5","1") = "8"
    & skf18("1","9","8","1","7","6","1") = "8"
    & skf18("1","9","8","1","7","7","1") = "8"
    & skf18("1","9","8","1","7","8","1") = "8"
    & skf18("1","9","8","1","7","9","1") = "8"
    & skf18("1","9","8","1","7","10","1") = "9"
    & skf18("1","9","8","1","8","1","1") = "8"
    & skf18("1","9","8","1","8","2","1") = "8"
    & skf18("1","9","8","1","8","3","1") = "8"
    & skf18("1","9","8","1","8","4","1") = "8"
    & skf18("1","9","8","1","8","5","1") = "8"
    & skf18("1","9","8","1","8","6","1") = "8"
    & skf18("1","9","8","1","8","7","1") = "8"
    & skf18("1","9","8","1","8","8","1") = "8"
    & skf18("1","9","8","1","8","9","1") = "8"
    & skf18("1","9","8","1","8","10","1") = "9"
    & skf18("1","9","8","1","9","1","1") = "8"
    & skf18("1","9","8","1","9","2","1") = "8"
    & skf18("1","9","8","1","9","3","1") = "8"
    & skf18("1","9","8","1","9","4","1") = "8"
    & skf18("1","9","8","1","9","5","1") = "8"
    & skf18("1","9","8","1","9","6","1") = "8"
    & skf18("1","9","8","1","9","7","1") = "8"
    & skf18("1","9","8","1","9","8","1") = "8"
    & skf18("1","9","8","1","9","9","1") = "8"
    & skf18("1","9","8","1","9","10","1") = "9"
    & skf18("1","9","8","1","10","1","1") = "9"
    & skf18("1","9","8","1","10","2","1") = "9"
    & skf18("1","9","8","1","10","3","1") = "9"
    & skf18("1","9","8","1","10","4","1") = "9"
    & skf18("1","9","8","1","10","5","1") = "9"
    & skf18("1","9","8","1","10","6","1") = "9"
    & skf18("1","9","8","1","10","7","1") = "9"
    & skf18("1","9","8","1","10","8","1") = "9"
    & skf18("1","9","8","1","10","9","1") = "9"
    & skf18("1","9","8","1","10","10","1") = "9"
    & skf18("1","9","8","2","1","1","1") = "8"
    & skf18("1","9","8","2","1","2","1") = "8"
    & skf18("1","9","8","2","1","3","1") = "8"
    & skf18("1","9","8","2","1","4","1") = "8"
    & skf18("1","9","8","2","1","5","1") = "8"
    & skf18("1","9","8","2","1","6","1") = "8"
    & skf18("1","9","8","2","1","7","1") = "8"
    & skf18("1","9","8","2","1","8","1") = "8"
    & skf18("1","9","8","2","1","9","1") = "8"
    & skf18("1","9","8","2","1","10","1") = "9"
    & skf18("1","9","8","2","2","1","1") = "8"
    & skf18("1","9","8","2","2","2","1") = "8"
    & skf18("1","9","8","2","2","3","1") = "8"
    & skf18("1","9","8","2","2","4","1") = "8"
    & skf18("1","9","8","2","2","5","1") = "8"
    & skf18("1","9","8","2","2","6","1") = "8"
    & skf18("1","9","8","2","2","7","1") = "8"
    & skf18("1","9","8","2","2","8","1") = "8"
    & skf18("1","9","8","2","2","9","1") = "8"
    & skf18("1","9","8","2","2","10","1") = "9"
    & skf18("1","9","8","2","3","1","1") = "8"
    & skf18("1","9","8","2","3","2","1") = "8"
    & skf18("1","9","8","2","3","3","1") = "8"
    & skf18("1","9","8","2","3","4","1") = "8"
    & skf18("1","9","8","2","3","5","1") = "8"
    & skf18("1","9","8","2","3","6","1") = "8"
    & skf18("1","9","8","2","3","7","1") = "8"
    & skf18("1","9","8","2","3","8","1") = "8"
    & skf18("1","9","8","2","3","9","1") = "8"
    & skf18("1","9","8","2","3","10","1") = "9"
    & skf18("1","9","8","2","4","1","1") = "8"
    & skf18("1","9","8","2","4","2","1") = "8"
    & skf18("1","9","8","2","4","3","1") = "8"
    & skf18("1","9","8","2","4","4","1") = "8"
    & skf18("1","9","8","2","4","5","1") = "8"
    & skf18("1","9","8","2","4","6","1") = "8"
    & skf18("1","9","8","2","4","7","1") = "8"
    & skf18("1","9","8","2","4","8","1") = "8"
    & skf18("1","9","8","2","4","9","1") = "8"
    & skf18("1","9","8","2","4","10","1") = "9"
    & skf18("1","9","8","2","5","1","1") = "8"
    & skf18("1","9","8","2","5","2","1") = "8"
    & skf18("1","9","8","2","5","3","1") = "8"
    & skf18("1","9","8","2","5","4","1") = "8"
    & skf18("1","9","8","2","5","5","1") = "8"
    & skf18("1","9","8","2","5","6","1") = "8"
    & skf18("1","9","8","2","5","7","1") = "8"
    & skf18("1","9","8","2","5","8","1") = "8"
    & skf18("1","9","8","2","5","9","1") = "8"
    & skf18("1","9","8","2","5","10","1") = "9"
    & skf18("1","9","8","2","6","1","1") = "8"
    & skf18("1","9","8","2","6","2","1") = "8"
    & skf18("1","9","8","2","6","3","1") = "8"
    & skf18("1","9","8","2","6","4","1") = "8"
    & skf18("1","9","8","2","6","5","1") = "8"
    & skf18("1","9","8","2","6","6","1") = "8"
    & skf18("1","9","8","2","6","7","1") = "8"
    & skf18("1","9","8","2","6","8","1") = "8"
    & skf18("1","9","8","2","6","9","1") = "8"
    & skf18("1","9","8","2","6","10","1") = "9"
    & skf18("1","9","8","2","7","1","1") = "8"
    & skf18("1","9","8","2","7","2","1") = "8"
    & skf18("1","9","8","2","7","3","1") = "8"
    & skf18("1","9","8","2","7","4","1") = "8"
    & skf18("1","9","8","2","7","5","1") = "8"
    & skf18("1","9","8","2","7","6","1") = "8"
    & skf18("1","9","8","2","7","7","1") = "8"
    & skf18("1","9","8","2","7","8","1") = "8"
    & skf18("1","9","8","2","7","9","1") = "8"
    & skf18("1","9","8","2","7","10","1") = "9"
    & skf18("1","9","8","2","8","1","1") = "8"
    & skf18("1","9","8","2","8","2","1") = "8"
    & skf18("1","9","8","2","8","3","1") = "8"
    & skf18("1","9","8","2","8","4","1") = "8"
    & skf18("1","9","8","2","8","5","1") = "8"
    & skf18("1","9","8","2","8","6","1") = "8"
    & skf18("1","9","8","2","8","7","1") = "8"
    & skf18("1","9","8","2","8","8","1") = "8"
    & skf18("1","9","8","2","8","9","1") = "8"
    & skf18("1","9","8","2","8","10","1") = "9"
    & skf18("1","9","8","2","9","1","1") = "8"
    & skf18("1","9","8","2","9","2","1") = "8"
    & skf18("1","9","8","2","9","3","1") = "8"
    & skf18("1","9","8","2","9","4","1") = "8"
    & skf18("1","9","8","2","9","5","1") = "8"
    & skf18("1","9","8","2","9","6","1") = "8"
    & skf18("1","9","8","2","9","7","1") = "8"
    & skf18("1","9","8","2","9","8","1") = "8"
    & skf18("1","9","8","2","9","9","1") = "8"
    & skf18("1","9","8","2","9","10","1") = "9"
    & skf18("1","9","8","2","10","1","1") = "9"
    & skf18("1","9","8","2","10","2","1") = "9"
    & skf18("1","9","8","2","10","3","1") = "9"
    & skf18("1","9","8","2","10","4","1") = "9"
    & skf18("1","9","8","2","10","5","1") = "9"
    & skf18("1","9","8","2","10","6","1") = "9"
    & skf18("1","9","8","2","10","7","1") = "9"
    & skf18("1","9","8","2","10","8","1") = "9"
    & skf18("1","9","8","2","10","9","1") = "9"
    & skf18("1","9","8","2","10","10","1") = "9"
    & skf18("1","9","8","3","1","1","1") = "8"
    & skf18("1","9","8","3","1","2","1") = "8"
    & skf18("1","9","8","3","1","3","1") = "8"
    & skf18("1","9","8","3","1","4","1") = "8"
    & skf18("1","9","8","3","1","5","1") = "8"
    & skf18("1","9","8","3","1","6","1") = "8"
    & skf18("1","9","8","3","1","7","1") = "8"
    & skf18("1","9","8","3","1","8","1") = "8"
    & skf18("1","9","8","3","1","9","1") = "8"
    & skf18("1","9","8","3","1","10","1") = "9"
    & skf18("1","9","8","3","2","1","1") = "8"
    & skf18("1","9","8","3","2","2","1") = "8"
    & skf18("1","9","8","3","2","3","1") = "8"
    & skf18("1","9","8","3","2","4","1") = "8"
    & skf18("1","9","8","3","2","5","1") = "8"
    & skf18("1","9","8","3","2","6","1") = "8"
    & skf18("1","9","8","3","2","7","1") = "8"
    & skf18("1","9","8","3","2","8","1") = "8"
    & skf18("1","9","8","3","2","9","1") = "8"
    & skf18("1","9","8","3","2","10","1") = "9"
    & skf18("1","9","8","3","3","1","1") = "8"
    & skf18("1","9","8","3","3","2","1") = "8"
    & skf18("1","9","8","3","3","3","1") = "8"
    & skf18("1","9","8","3","3","4","1") = "8"
    & skf18("1","9","8","3","3","5","1") = "8"
    & skf18("1","9","8","3","3","6","1") = "8"
    & skf18("1","9","8","3","3","7","1") = "8"
    & skf18("1","9","8","3","3","8","1") = "8"
    & skf18("1","9","8","3","3","9","1") = "8"
    & skf18("1","9","8","3","3","10","1") = "9"
    & skf18("1","9","8","3","4","1","1") = "8"
    & skf18("1","9","8","3","4","2","1") = "8"
    & skf18("1","9","8","3","4","3","1") = "8"
    & skf18("1","9","8","3","4","4","1") = "8"
    & skf18("1","9","8","3","4","5","1") = "8"
    & skf18("1","9","8","3","4","6","1") = "8"
    & skf18("1","9","8","3","4","7","1") = "8"
    & skf18("1","9","8","3","4","8","1") = "8"
    & skf18("1","9","8","3","4","9","1") = "8"
    & skf18("1","9","8","3","4","10","1") = "9"
    & skf18("1","9","8","3","5","1","1") = "8"
    & skf18("1","9","8","3","5","2","1") = "8"
    & skf18("1","9","8","3","5","3","1") = "8"
    & skf18("1","9","8","3","5","4","1") = "8"
    & skf18("1","9","8","3","5","5","1") = "8"
    & skf18("1","9","8","3","5","6","1") = "8"
    & skf18("1","9","8","3","5","7","1") = "8"
    & skf18("1","9","8","3","5","8","1") = "8"
    & skf18("1","9","8","3","5","9","1") = "8"
    & skf18("1","9","8","3","5","10","1") = "9"
    & skf18("1","9","8","3","6","1","1") = "8"
    & skf18("1","9","8","3","6","2","1") = "8"
    & skf18("1","9","8","3","6","3","1") = "8"
    & skf18("1","9","8","3","6","4","1") = "8"
    & skf18("1","9","8","3","6","5","1") = "8"
    & skf18("1","9","8","3","6","6","1") = "8"
    & skf18("1","9","8","3","6","7","1") = "8"
    & skf18("1","9","8","3","6","8","1") = "8"
    & skf18("1","9","8","3","6","9","1") = "8"
    & skf18("1","9","8","3","6","10","1") = "9"
    & skf18("1","9","8","3","7","1","1") = "8"
    & skf18("1","9","8","3","7","2","1") = "8"
    & skf18("1","9","8","3","7","3","1") = "8"
    & skf18("1","9","8","3","7","4","1") = "8"
    & skf18("1","9","8","3","7","5","1") = "8"
    & skf18("1","9","8","3","7","6","1") = "8"
    & skf18("1","9","8","3","7","7","1") = "8"
    & skf18("1","9","8","3","7","8","1") = "8"
    & skf18("1","9","8","3","7","9","1") = "8"
    & skf18("1","9","8","3","7","10","1") = "9"
    & skf18("1","9","8","3","8","1","1") = "8"
    & skf18("1","9","8","3","8","2","1") = "8"
    & skf18("1","9","8","3","8","3","1") = "8"
    & skf18("1","9","8","3","8","4","1") = "8"
    & skf18("1","9","8","3","8","5","1") = "8"
    & skf18("1","9","8","3","8","6","1") = "8"
    & skf18("1","9","8","3","8","7","1") = "8"
    & skf18("1","9","8","3","8","8","1") = "8"
    & skf18("1","9","8","3","8","9","1") = "8"
    & skf18("1","9","8","3","8","10","1") = "9"
    & skf18("1","9","8","3","9","1","1") = "8"
    & skf18("1","9","8","3","9","2","1") = "8"
    & skf18("1","9","8","3","9","3","1") = "8"
    & skf18("1","9","8","3","9","4","1") = "8"
    & skf18("1","9","8","3","9","5","1") = "8"
    & skf18("1","9","8","3","9","6","1") = "8"
    & skf18("1","9","8","3","9","7","1") = "8"
    & skf18("1","9","8","3","9","8","1") = "8"
    & skf18("1","9","8","3","9","9","1") = "8"
    & skf18("1","9","8","3","9","10","1") = "9"
    & skf18("1","9","8","3","10","1","1") = "9"
    & skf18("1","9","8","3","10","2","1") = "9"
    & skf18("1","9","8","3","10","3","1") = "9"
    & skf18("1","9","8","3","10","4","1") = "9"
    & skf18("1","9","8","3","10","5","1") = "9"
    & skf18("1","9","8","3","10","6","1") = "9"
    & skf18("1","9","8","3","10","7","1") = "9"
    & skf18("1","9","8","3","10","8","1") = "9"
    & skf18("1","9","8","3","10","9","1") = "9"
    & skf18("1","9","8","3","10","10","1") = "9"
    & skf18("1","9","8","4","1","1","1") = "8"
    & skf18("1","9","8","4","1","2","1") = "8"
    & skf18("1","9","8","4","1","3","1") = "8"
    & skf18("1","9","8","4","1","4","1") = "8"
    & skf18("1","9","8","4","1","5","1") = "8"
    & skf18("1","9","8","4","1","6","1") = "8"
    & skf18("1","9","8","4","1","7","1") = "8"
    & skf18("1","9","8","4","1","8","1") = "8"
    & skf18("1","9","8","4","1","9","1") = "8"
    & skf18("1","9","8","4","1","10","1") = "9"
    & skf18("1","9","8","4","2","1","1") = "8"
    & skf18("1","9","8","4","2","2","1") = "8"
    & skf18("1","9","8","4","2","3","1") = "8"
    & skf18("1","9","8","4","2","4","1") = "8"
    & skf18("1","9","8","4","2","5","1") = "8"
    & skf18("1","9","8","4","2","6","1") = "8"
    & skf18("1","9","8","4","2","7","1") = "8"
    & skf18("1","9","8","4","2","8","1") = "8"
    & skf18("1","9","8","4","2","9","1") = "8"
    & skf18("1","9","8","4","2","10","1") = "9"
    & skf18("1","9","8","4","3","1","1") = "8"
    & skf18("1","9","8","4","3","2","1") = "8"
    & skf18("1","9","8","4","3","3","1") = "8"
    & skf18("1","9","8","4","3","4","1") = "8"
    & skf18("1","9","8","4","3","5","1") = "8"
    & skf18("1","9","8","4","3","6","1") = "8"
    & skf18("1","9","8","4","3","7","1") = "8"
    & skf18("1","9","8","4","3","8","1") = "8"
    & skf18("1","9","8","4","3","9","1") = "8"
    & skf18("1","9","8","4","3","10","1") = "9"
    & skf18("1","9","8","4","4","1","1") = "8"
    & skf18("1","9","8","4","4","2","1") = "8"
    & skf18("1","9","8","4","4","3","1") = "8"
    & skf18("1","9","8","4","4","4","1") = "8"
    & skf18("1","9","8","4","4","5","1") = "8"
    & skf18("1","9","8","4","4","6","1") = "8"
    & skf18("1","9","8","4","4","7","1") = "8"
    & skf18("1","9","8","4","4","8","1") = "8"
    & skf18("1","9","8","4","4","9","1") = "8"
    & skf18("1","9","8","4","4","10","1") = "9"
    & skf18("1","9","8","4","5","1","1") = "8"
    & skf18("1","9","8","4","5","2","1") = "8"
    & skf18("1","9","8","4","5","3","1") = "8"
    & skf18("1","9","8","4","5","4","1") = "8"
    & skf18("1","9","8","4","5","5","1") = "8"
    & skf18("1","9","8","4","5","6","1") = "8"
    & skf18("1","9","8","4","5","7","1") = "8"
    & skf18("1","9","8","4","5","8","1") = "8"
    & skf18("1","9","8","4","5","9","1") = "8"
    & skf18("1","9","8","4","5","10","1") = "9"
    & skf18("1","9","8","4","6","1","1") = "8"
    & skf18("1","9","8","4","6","2","1") = "8"
    & skf18("1","9","8","4","6","3","1") = "8"
    & skf18("1","9","8","4","6","4","1") = "8"
    & skf18("1","9","8","4","6","5","1") = "8"
    & skf18("1","9","8","4","6","6","1") = "8"
    & skf18("1","9","8","4","6","7","1") = "8"
    & skf18("1","9","8","4","6","8","1") = "8"
    & skf18("1","9","8","4","6","9","1") = "8"
    & skf18("1","9","8","4","6","10","1") = "9"
    & skf18("1","9","8","4","7","1","1") = "8"
    & skf18("1","9","8","4","7","2","1") = "8"
    & skf18("1","9","8","4","7","3","1") = "8"
    & skf18("1","9","8","4","7","4","1") = "8"
    & skf18("1","9","8","4","7","5","1") = "8"
    & skf18("1","9","8","4","7","6","1") = "8"
    & skf18("1","9","8","4","7","7","1") = "8"
    & skf18("1","9","8","4","7","8","1") = "8"
    & skf18("1","9","8","4","7","9","1") = "8"
    & skf18("1","9","8","4","7","10","1") = "9"
    & skf18("1","9","8","4","8","1","1") = "8"
    & skf18("1","9","8","4","8","2","1") = "8"
    & skf18("1","9","8","4","8","3","1") = "8"
    & skf18("1","9","8","4","8","4","1") = "8"
    & skf18("1","9","8","4","8","5","1") = "8"
    & skf18("1","9","8","4","8","6","1") = "8"
    & skf18("1","9","8","4","8","7","1") = "8"
    & skf18("1","9","8","4","8","8","1") = "8"
    & skf18("1","9","8","4","8","9","1") = "8"
    & skf18("1","9","8","4","8","10","1") = "9"
    & skf18("1","9","8","4","9","1","1") = "8"
    & skf18("1","9","8","4","9","2","1") = "8"
    & skf18("1","9","8","4","9","3","1") = "8"
    & skf18("1","9","8","4","9","4","1") = "8"
    & skf18("1","9","8","4","9","5","1") = "8"
    & skf18("1","9","8","4","9","6","1") = "8"
    & skf18("1","9","8","4","9","7","1") = "8"
    & skf18("1","9","8","4","9","8","1") = "8"
    & skf18("1","9","8","4","9","9","1") = "8"
    & skf18("1","9","8","4","9","10","1") = "9"
    & skf18("1","9","8","4","10","1","1") = "9"
    & skf18("1","9","8","4","10","2","1") = "9"
    & skf18("1","9","8","4","10","3","1") = "9"
    & skf18("1","9","8","4","10","4","1") = "9"
    & skf18("1","9","8","4","10","5","1") = "9"
    & skf18("1","9","8","4","10","6","1") = "9"
    & skf18("1","9","8","4","10","7","1") = "9"
    & skf18("1","9","8","4","10","8","1") = "9"
    & skf18("1","9","8","4","10","9","1") = "9"
    & skf18("1","9","8","4","10","10","1") = "9"
    & skf18("1","9","8","5","1","1","1") = "8"
    & skf18("1","9","8","5","1","2","1") = "8"
    & skf18("1","9","8","5","1","3","1") = "8"
    & skf18("1","9","8","5","1","4","1") = "8"
    & skf18("1","9","8","5","1","5","1") = "8"
    & skf18("1","9","8","5","1","6","1") = "8"
    & skf18("1","9","8","5","1","7","1") = "8"
    & skf18("1","9","8","5","1","8","1") = "8"
    & skf18("1","9","8","5","1","9","1") = "8"
    & skf18("1","9","8","5","1","10","1") = "9"
    & skf18("1","9","8","5","2","1","1") = "8"
    & skf18("1","9","8","5","2","2","1") = "8"
    & skf18("1","9","8","5","2","3","1") = "8"
    & skf18("1","9","8","5","2","4","1") = "8"
    & skf18("1","9","8","5","2","5","1") = "8"
    & skf18("1","9","8","5","2","6","1") = "8"
    & skf18("1","9","8","5","2","7","1") = "8"
    & skf18("1","9","8","5","2","8","1") = "8"
    & skf18("1","9","8","5","2","9","1") = "8"
    & skf18("1","9","8","5","2","10","1") = "9"
    & skf18("1","9","8","5","3","1","1") = "8"
    & skf18("1","9","8","5","3","2","1") = "8"
    & skf18("1","9","8","5","3","3","1") = "8"
    & skf18("1","9","8","5","3","4","1") = "8"
    & skf18("1","9","8","5","3","5","1") = "8"
    & skf18("1","9","8","5","3","6","1") = "8"
    & skf18("1","9","8","5","3","7","1") = "8"
    & skf18("1","9","8","5","3","8","1") = "8"
    & skf18("1","9","8","5","3","9","1") = "8"
    & skf18("1","9","8","5","3","10","1") = "9"
    & skf18("1","9","8","5","4","1","1") = "8"
    & skf18("1","9","8","5","4","2","1") = "8"
    & skf18("1","9","8","5","4","3","1") = "8"
    & skf18("1","9","8","5","4","4","1") = "8"
    & skf18("1","9","8","5","4","5","1") = "8"
    & skf18("1","9","8","5","4","6","1") = "8"
    & skf18("1","9","8","5","4","7","1") = "8"
    & skf18("1","9","8","5","4","8","1") = "8"
    & skf18("1","9","8","5","4","9","1") = "8"
    & skf18("1","9","8","5","4","10","1") = "9"
    & skf18("1","9","8","5","5","1","1") = "8"
    & skf18("1","9","8","5","5","2","1") = "8"
    & skf18("1","9","8","5","5","3","1") = "8"
    & skf18("1","9","8","5","5","4","1") = "8"
    & skf18("1","9","8","5","5","5","1") = "8"
    & skf18("1","9","8","5","5","6","1") = "8"
    & skf18("1","9","8","5","5","7","1") = "8"
    & skf18("1","9","8","5","5","8","1") = "8"
    & skf18("1","9","8","5","5","9","1") = "8"
    & skf18("1","9","8","5","5","10","1") = "9"
    & skf18("1","9","8","5","6","1","1") = "8"
    & skf18("1","9","8","5","6","2","1") = "8"
    & skf18("1","9","8","5","6","3","1") = "8"
    & skf18("1","9","8","5","6","4","1") = "8"
    & skf18("1","9","8","5","6","5","1") = "8"
    & skf18("1","9","8","5","6","6","1") = "8"
    & skf18("1","9","8","5","6","7","1") = "8"
    & skf18("1","9","8","5","6","8","1") = "8"
    & skf18("1","9","8","5","6","9","1") = "8"
    & skf18("1","9","8","5","6","10","1") = "9"
    & skf18("1","9","8","5","7","1","1") = "8"
    & skf18("1","9","8","5","7","2","1") = "8"
    & skf18("1","9","8","5","7","3","1") = "8"
    & skf18("1","9","8","5","7","4","1") = "8"
    & skf18("1","9","8","5","7","5","1") = "8"
    & skf18("1","9","8","5","7","6","1") = "8"
    & skf18("1","9","8","5","7","7","1") = "8"
    & skf18("1","9","8","5","7","8","1") = "8"
    & skf18("1","9","8","5","7","9","1") = "8"
    & skf18("1","9","8","5","7","10","1") = "9"
    & skf18("1","9","8","5","8","1","1") = "8"
    & skf18("1","9","8","5","8","2","1") = "8"
    & skf18("1","9","8","5","8","3","1") = "8"
    & skf18("1","9","8","5","8","4","1") = "8"
    & skf18("1","9","8","5","8","5","1") = "8"
    & skf18("1","9","8","5","8","6","1") = "8"
    & skf18("1","9","8","5","8","7","1") = "8"
    & skf18("1","9","8","5","8","8","1") = "8"
    & skf18("1","9","8","5","8","9","1") = "8"
    & skf18("1","9","8","5","8","10","1") = "9"
    & skf18("1","9","8","5","9","1","1") = "8"
    & skf18("1","9","8","5","9","2","1") = "8"
    & skf18("1","9","8","5","9","3","1") = "8"
    & skf18("1","9","8","5","9","4","1") = "8"
    & skf18("1","9","8","5","9","5","1") = "8"
    & skf18("1","9","8","5","9","6","1") = "8"
    & skf18("1","9","8","5","9","7","1") = "8"
    & skf18("1","9","8","5","9","8","1") = "8"
    & skf18("1","9","8","5","9","9","1") = "8"
    & skf18("1","9","8","5","9","10","1") = "9"
    & skf18("1","9","8","5","10","1","1") = "9"
    & skf18("1","9","8","5","10","2","1") = "9"
    & skf18("1","9","8","5","10","3","1") = "9"
    & skf18("1","9","8","5","10","4","1") = "9"
    & skf18("1","9","8","5","10","5","1") = "9"
    & skf18("1","9","8","5","10","6","1") = "9"
    & skf18("1","9","8","5","10","7","1") = "9"
    & skf18("1","9","8","5","10","8","1") = "9"
    & skf18("1","9","8","5","10","9","1") = "9"
    & skf18("1","9","8","5","10","10","1") = "9"
    & skf18("1","9","8","6","1","1","1") = "8"
    & skf18("1","9","8","6","1","2","1") = "8"
    & skf18("1","9","8","6","1","3","1") = "8"
    & skf18("1","9","8","6","1","4","1") = "8"
    & skf18("1","9","8","6","1","5","1") = "8"
    & skf18("1","9","8","6","1","6","1") = "8"
    & skf18("1","9","8","6","1","7","1") = "8"
    & skf18("1","9","8","6","1","8","1") = "8"
    & skf18("1","9","8","6","1","9","1") = "8"
    & skf18("1","9","8","6","1","10","1") = "9"
    & skf18("1","9","8","6","2","1","1") = "8"
    & skf18("1","9","8","6","2","2","1") = "8"
    & skf18("1","9","8","6","2","3","1") = "8"
    & skf18("1","9","8","6","2","4","1") = "8"
    & skf18("1","9","8","6","2","5","1") = "8"
    & skf18("1","9","8","6","2","6","1") = "8"
    & skf18("1","9","8","6","2","7","1") = "8"
    & skf18("1","9","8","6","2","8","1") = "8"
    & skf18("1","9","8","6","2","9","1") = "8"
    & skf18("1","9","8","6","2","10","1") = "9"
    & skf18("1","9","8","6","3","1","1") = "8"
    & skf18("1","9","8","6","3","2","1") = "8"
    & skf18("1","9","8","6","3","3","1") = "8"
    & skf18("1","9","8","6","3","4","1") = "8"
    & skf18("1","9","8","6","3","5","1") = "8"
    & skf18("1","9","8","6","3","6","1") = "8"
    & skf18("1","9","8","6","3","7","1") = "8"
    & skf18("1","9","8","6","3","8","1") = "8"
    & skf18("1","9","8","6","3","9","1") = "8"
    & skf18("1","9","8","6","3","10","1") = "9"
    & skf18("1","9","8","6","4","1","1") = "8"
    & skf18("1","9","8","6","4","2","1") = "8"
    & skf18("1","9","8","6","4","3","1") = "8"
    & skf18("1","9","8","6","4","4","1") = "8"
    & skf18("1","9","8","6","4","5","1") = "8"
    & skf18("1","9","8","6","4","6","1") = "8"
    & skf18("1","9","8","6","4","7","1") = "8"
    & skf18("1","9","8","6","4","8","1") = "8"
    & skf18("1","9","8","6","4","9","1") = "8"
    & skf18("1","9","8","6","4","10","1") = "9"
    & skf18("1","9","8","6","5","1","1") = "8"
    & skf18("1","9","8","6","5","2","1") = "8"
    & skf18("1","9","8","6","5","3","1") = "8"
    & skf18("1","9","8","6","5","4","1") = "8"
    & skf18("1","9","8","6","5","5","1") = "8"
    & skf18("1","9","8","6","5","6","1") = "8"
    & skf18("1","9","8","6","5","7","1") = "8"
    & skf18("1","9","8","6","5","8","1") = "8"
    & skf18("1","9","8","6","5","9","1") = "8"
    & skf18("1","9","8","6","5","10","1") = "9"
    & skf18("1","9","8","6","6","1","1") = "8"
    & skf18("1","9","8","6","6","2","1") = "8"
    & skf18("1","9","8","6","6","3","1") = "8"
    & skf18("1","9","8","6","6","4","1") = "8"
    & skf18("1","9","8","6","6","5","1") = "8"
    & skf18("1","9","8","6","6","6","1") = "8"
    & skf18("1","9","8","6","6","7","1") = "8"
    & skf18("1","9","8","6","6","8","1") = "8"
    & skf18("1","9","8","6","6","9","1") = "8"
    & skf18("1","9","8","6","6","10","1") = "9"
    & skf18("1","9","8","6","7","1","1") = "8"
    & skf18("1","9","8","6","7","2","1") = "8"
    & skf18("1","9","8","6","7","3","1") = "8"
    & skf18("1","9","8","6","7","4","1") = "8"
    & skf18("1","9","8","6","7","5","1") = "8"
    & skf18("1","9","8","6","7","6","1") = "8"
    & skf18("1","9","8","6","7","7","1") = "8"
    & skf18("1","9","8","6","7","8","1") = "8"
    & skf18("1","9","8","6","7","9","1") = "8"
    & skf18("1","9","8","6","7","10","1") = "9"
    & skf18("1","9","8","6","8","1","1") = "8"
    & skf18("1","9","8","6","8","2","1") = "8"
    & skf18("1","9","8","6","8","3","1") = "8"
    & skf18("1","9","8","6","8","4","1") = "8"
    & skf18("1","9","8","6","8","5","1") = "8"
    & skf18("1","9","8","6","8","6","1") = "8"
    & skf18("1","9","8","6","8","7","1") = "8"
    & skf18("1","9","8","6","8","8","1") = "8"
    & skf18("1","9","8","6","8","9","1") = "8"
    & skf18("1","9","8","6","8","10","1") = "9"
    & skf18("1","9","8","6","9","1","1") = "8"
    & skf18("1","9","8","6","9","2","1") = "8"
    & skf18("1","9","8","6","9","3","1") = "8"
    & skf18("1","9","8","6","9","4","1") = "8"
    & skf18("1","9","8","6","9","5","1") = "8"
    & skf18("1","9","8","6","9","6","1") = "8"
    & skf18("1","9","8","6","9","7","1") = "8"
    & skf18("1","9","8","6","9","8","1") = "8"
    & skf18("1","9","8","6","9","9","1") = "8"
    & skf18("1","9","8","6","9","10","1") = "9"
    & skf18("1","9","8","6","10","1","1") = "9"
    & skf18("1","9","8","6","10","2","1") = "9"
    & skf18("1","9","8","6","10","3","1") = "9"
    & skf18("1","9","8","6","10","4","1") = "9"
    & skf18("1","9","8","6","10","5","1") = "9"
    & skf18("1","9","8","6","10","6","1") = "9"
    & skf18("1","9","8","6","10","7","1") = "9"
    & skf18("1","9","8","6","10","8","1") = "9"
    & skf18("1","9","8","6","10","9","1") = "9"
    & skf18("1","9","8","6","10","10","1") = "9"
    & skf18("1","9","8","7","1","1","1") = "8"
    & skf18("1","9","8","7","1","2","1") = "8"
    & skf18("1","9","8","7","1","3","1") = "8"
    & skf18("1","9","8","7","1","4","1") = "8"
    & skf18("1","9","8","7","1","5","1") = "8"
    & skf18("1","9","8","7","1","6","1") = "8"
    & skf18("1","9","8","7","1","7","1") = "8"
    & skf18("1","9","8","7","1","8","1") = "8"
    & skf18("1","9","8","7","1","9","1") = "8"
    & skf18("1","9","8","7","1","10","1") = "9"
    & skf18("1","9","8","7","2","1","1") = "8"
    & skf18("1","9","8","7","2","2","1") = "8"
    & skf18("1","9","8","7","2","3","1") = "8"
    & skf18("1","9","8","7","2","4","1") = "8"
    & skf18("1","9","8","7","2","5","1") = "8"
    & skf18("1","9","8","7","2","6","1") = "8"
    & skf18("1","9","8","7","2","7","1") = "8"
    & skf18("1","9","8","7","2","8","1") = "8"
    & skf18("1","9","8","7","2","9","1") = "8"
    & skf18("1","9","8","7","2","10","1") = "9"
    & skf18("1","9","8","7","3","1","1") = "8"
    & skf18("1","9","8","7","3","2","1") = "8"
    & skf18("1","9","8","7","3","3","1") = "8"
    & skf18("1","9","8","7","3","4","1") = "8"
    & skf18("1","9","8","7","3","5","1") = "8"
    & skf18("1","9","8","7","3","6","1") = "8"
    & skf18("1","9","8","7","3","7","1") = "8"
    & skf18("1","9","8","7","3","8","1") = "8"
    & skf18("1","9","8","7","3","9","1") = "8"
    & skf18("1","9","8","7","3","10","1") = "9"
    & skf18("1","9","8","7","4","1","1") = "8"
    & skf18("1","9","8","7","4","2","1") = "8"
    & skf18("1","9","8","7","4","3","1") = "8"
    & skf18("1","9","8","7","4","4","1") = "8"
    & skf18("1","9","8","7","4","5","1") = "8"
    & skf18("1","9","8","7","4","6","1") = "8"
    & skf18("1","9","8","7","4","7","1") = "8"
    & skf18("1","9","8","7","4","8","1") = "8"
    & skf18("1","9","8","7","4","9","1") = "8"
    & skf18("1","9","8","7","4","10","1") = "9"
    & skf18("1","9","8","7","5","1","1") = "8"
    & skf18("1","9","8","7","5","2","1") = "8"
    & skf18("1","9","8","7","5","3","1") = "8"
    & skf18("1","9","8","7","5","4","1") = "8"
    & skf18("1","9","8","7","5","5","1") = "8"
    & skf18("1","9","8","7","5","6","1") = "8"
    & skf18("1","9","8","7","5","7","1") = "8"
    & skf18("1","9","8","7","5","8","1") = "8"
    & skf18("1","9","8","7","5","9","1") = "8"
    & skf18("1","9","8","7","5","10","1") = "9"
    & skf18("1","9","8","7","6","1","1") = "8"
    & skf18("1","9","8","7","6","2","1") = "8"
    & skf18("1","9","8","7","6","3","1") = "8"
    & skf18("1","9","8","7","6","4","1") = "8"
    & skf18("1","9","8","7","6","5","1") = "8"
    & skf18("1","9","8","7","6","6","1") = "8"
    & skf18("1","9","8","7","6","7","1") = "8"
    & skf18("1","9","8","7","6","8","1") = "8"
    & skf18("1","9","8","7","6","9","1") = "8"
    & skf18("1","9","8","7","6","10","1") = "9"
    & skf18("1","9","8","7","7","1","1") = "8"
    & skf18("1","9","8","7","7","2","1") = "8"
    & skf18("1","9","8","7","7","3","1") = "8"
    & skf18("1","9","8","7","7","4","1") = "8"
    & skf18("1","9","8","7","7","5","1") = "8"
    & skf18("1","9","8","7","7","6","1") = "8"
    & skf18("1","9","8","7","7","7","1") = "8"
    & skf18("1","9","8","7","7","8","1") = "8"
    & skf18("1","9","8","7","7","9","1") = "8"
    & skf18("1","9","8","7","7","10","1") = "9"
    & skf18("1","9","8","7","8","1","1") = "8"
    & skf18("1","9","8","7","8","2","1") = "8"
    & skf18("1","9","8","7","8","3","1") = "8"
    & skf18("1","9","8","7","8","4","1") = "8"
    & skf18("1","9","8","7","8","5","1") = "8"
    & skf18("1","9","8","7","8","6","1") = "8"
    & skf18("1","9","8","7","8","7","1") = "8"
    & skf18("1","9","8","7","8","8","1") = "8"
    & skf18("1","9","8","7","8","9","1") = "8"
    & skf18("1","9","8","7","8","10","1") = "9"
    & skf18("1","9","8","7","9","1","1") = "8"
    & skf18("1","9","8","7","9","2","1") = "8"
    & skf18("1","9","8","7","9","3","1") = "8"
    & skf18("1","9","8","7","9","4","1") = "8"
    & skf18("1","9","8","7","9","5","1") = "8"
    & skf18("1","9","8","7","9","6","1") = "8"
    & skf18("1","9","8","7","9","7","1") = "8"
    & skf18("1","9","8","7","9","8","1") = "8"
    & skf18("1","9","8","7","9","9","1") = "8"
    & skf18("1","9","8","7","9","10","1") = "9"
    & skf18("1","9","8","7","10","1","1") = "9"
    & skf18("1","9","8","7","10","2","1") = "9"
    & skf18("1","9","8","7","10","3","1") = "9"
    & skf18("1","9","8","7","10","4","1") = "9"
    & skf18("1","9","8","7","10","5","1") = "9"
    & skf18("1","9","8","7","10","6","1") = "9"
    & skf18("1","9","8","7","10","7","1") = "9"
    & skf18("1","9","8","7","10","8","1") = "9"
    & skf18("1","9","8","7","10","9","1") = "9"
    & skf18("1","9","8","7","10","10","1") = "9"
    & skf18("1","9","8","8","1","1","1") = "8"
    & skf18("1","9","8","8","1","2","1") = "8"
    & skf18("1","9","8","8","1","3","1") = "8"
    & skf18("1","9","8","8","1","4","1") = "8"
    & skf18("1","9","8","8","1","5","1") = "8"
    & skf18("1","9","8","8","1","6","1") = "8"
    & skf18("1","9","8","8","1","7","1") = "8"
    & skf18("1","9","8","8","1","8","1") = "8"
    & skf18("1","9","8","8","1","9","1") = "8"
    & skf18("1","9","8","8","1","10","1") = "9"
    & skf18("1","9","8","8","2","1","1") = "8"
    & skf18("1","9","8","8","2","2","1") = "8"
    & skf18("1","9","8","8","2","3","1") = "8"
    & skf18("1","9","8","8","2","4","1") = "8"
    & skf18("1","9","8","8","2","5","1") = "8"
    & skf18("1","9","8","8","2","6","1") = "8"
    & skf18("1","9","8","8","2","7","1") = "8"
    & skf18("1","9","8","8","2","8","1") = "8"
    & skf18("1","9","8","8","2","9","1") = "8"
    & skf18("1","9","8","8","2","10","1") = "9"
    & skf18("1","9","8","8","3","1","1") = "8"
    & skf18("1","9","8","8","3","2","1") = "8"
    & skf18("1","9","8","8","3","3","1") = "8"
    & skf18("1","9","8","8","3","4","1") = "8"
    & skf18("1","9","8","8","3","5","1") = "8"
    & skf18("1","9","8","8","3","6","1") = "8"
    & skf18("1","9","8","8","3","7","1") = "8"
    & skf18("1","9","8","8","3","8","1") = "8"
    & skf18("1","9","8","8","3","9","1") = "8"
    & skf18("1","9","8","8","3","10","1") = "9"
    & skf18("1","9","8","8","4","1","1") = "8"
    & skf18("1","9","8","8","4","2","1") = "8"
    & skf18("1","9","8","8","4","3","1") = "8"
    & skf18("1","9","8","8","4","4","1") = "8"
    & skf18("1","9","8","8","4","5","1") = "8"
    & skf18("1","9","8","8","4","6","1") = "8"
    & skf18("1","9","8","8","4","7","1") = "8"
    & skf18("1","9","8","8","4","8","1") = "8"
    & skf18("1","9","8","8","4","9","1") = "8"
    & skf18("1","9","8","8","4","10","1") = "9"
    & skf18("1","9","8","8","5","1","1") = "8"
    & skf18("1","9","8","8","5","2","1") = "8"
    & skf18("1","9","8","8","5","3","1") = "8"
    & skf18("1","9","8","8","5","4","1") = "8"
    & skf18("1","9","8","8","5","5","1") = "8"
    & skf18("1","9","8","8","5","6","1") = "8"
    & skf18("1","9","8","8","5","7","1") = "8"
    & skf18("1","9","8","8","5","8","1") = "8"
    & skf18("1","9","8","8","5","9","1") = "8"
    & skf18("1","9","8","8","5","10","1") = "9"
    & skf18("1","9","8","8","6","1","1") = "8"
    & skf18("1","9","8","8","6","2","1") = "8"
    & skf18("1","9","8","8","6","3","1") = "8"
    & skf18("1","9","8","8","6","4","1") = "8"
    & skf18("1","9","8","8","6","5","1") = "8"
    & skf18("1","9","8","8","6","6","1") = "8"
    & skf18("1","9","8","8","6","7","1") = "8"
    & skf18("1","9","8","8","6","8","1") = "8"
    & skf18("1","9","8","8","6","9","1") = "8"
    & skf18("1","9","8","8","6","10","1") = "9"
    & skf18("1","9","8","8","7","1","1") = "8"
    & skf18("1","9","8","8","7","2","1") = "8"
    & skf18("1","9","8","8","7","3","1") = "8"
    & skf18("1","9","8","8","7","4","1") = "8"
    & skf18("1","9","8","8","7","5","1") = "8"
    & skf18("1","9","8","8","7","6","1") = "8"
    & skf18("1","9","8","8","7","7","1") = "8"
    & skf18("1","9","8","8","7","8","1") = "8"
    & skf18("1","9","8","8","7","9","1") = "8"
    & skf18("1","9","8","8","7","10","1") = "9"
    & skf18("1","9","8","8","8","1","1") = "8"
    & skf18("1","9","8","8","8","2","1") = "8"
    & skf18("1","9","8","8","8","3","1") = "8"
    & skf18("1","9","8","8","8","4","1") = "8"
    & skf18("1","9","8","8","8","5","1") = "8"
    & skf18("1","9","8","8","8","6","1") = "8"
    & skf18("1","9","8","8","8","7","1") = "8"
    & skf18("1","9","8","8","8","8","1") = "8"
    & skf18("1","9","8","8","8","9","1") = "8"
    & skf18("1","9","8","8","8","10","1") = "9"
    & skf18("1","9","8","8","9","1","1") = "8"
    & skf18("1","9","8","8","9","2","1") = "8"
    & skf18("1","9","8","8","9","3","1") = "8"
    & skf18("1","9","8","8","9","4","1") = "8"
    & skf18("1","9","8","8","9","5","1") = "8"
    & skf18("1","9","8","8","9","6","1") = "8"
    & skf18("1","9","8","8","9","7","1") = "8"
    & skf18("1","9","8","8","9","8","1") = "8"
    & skf18("1","9","8","8","9","9","1") = "8"
    & skf18("1","9","8","8","9","10","1") = "9"
    & skf18("1","9","8","8","10","1","1") = "9"
    & skf18("1","9","8","8","10","2","1") = "9"
    & skf18("1","9","8","8","10","3","1") = "9"
    & skf18("1","9","8","8","10","4","1") = "9"
    & skf18("1","9","8","8","10","5","1") = "9"
    & skf18("1","9","8","8","10","6","1") = "9"
    & skf18("1","9","8","8","10","7","1") = "9"
    & skf18("1","9","8","8","10","8","1") = "9"
    & skf18("1","9","8","8","10","9","1") = "9"
    & skf18("1","9","8","8","10","10","1") = "9"
    & skf18("1","9","8","9","1","1","1") = "8"
    & skf18("1","9","8","9","1","2","1") = "8"
    & skf18("1","9","8","9","1","3","1") = "8"
    & skf18("1","9","8","9","1","4","1") = "8"
    & skf18("1","9","8","9","1","5","1") = "8"
    & skf18("1","9","8","9","1","6","1") = "8"
    & skf18("1","9","8","9","1","7","1") = "8"
    & skf18("1","9","8","9","1","8","1") = "8"
    & skf18("1","9","8","9","1","9","1") = "8"
    & skf18("1","9","8","9","1","10","1") = "9"
    & skf18("1","9","8","9","2","1","1") = "8"
    & skf18("1","9","8","9","2","2","1") = "8"
    & skf18("1","9","8","9","2","3","1") = "8"
    & skf18("1","9","8","9","2","4","1") = "8"
    & skf18("1","9","8","9","2","5","1") = "8"
    & skf18("1","9","8","9","2","6","1") = "8"
    & skf18("1","9","8","9","2","7","1") = "8"
    & skf18("1","9","8","9","2","8","1") = "8"
    & skf18("1","9","8","9","2","9","1") = "8"
    & skf18("1","9","8","9","2","10","1") = "9"
    & skf18("1","9","8","9","3","1","1") = "8"
    & skf18("1","9","8","9","3","2","1") = "8"
    & skf18("1","9","8","9","3","3","1") = "8"
    & skf18("1","9","8","9","3","4","1") = "8"
    & skf18("1","9","8","9","3","5","1") = "8"
    & skf18("1","9","8","9","3","6","1") = "8"
    & skf18("1","9","8","9","3","7","1") = "8"
    & skf18("1","9","8","9","3","8","1") = "8"
    & skf18("1","9","8","9","3","9","1") = "8"
    & skf18("1","9","8","9","3","10","1") = "9"
    & skf18("1","9","8","9","4","1","1") = "8"
    & skf18("1","9","8","9","4","2","1") = "8"
    & skf18("1","9","8","9","4","3","1") = "8"
    & skf18("1","9","8","9","4","4","1") = "8"
    & skf18("1","9","8","9","4","5","1") = "8"
    & skf18("1","9","8","9","4","6","1") = "8"
    & skf18("1","9","8","9","4","7","1") = "8"
    & skf18("1","9","8","9","4","8","1") = "8"
    & skf18("1","9","8","9","4","9","1") = "8"
    & skf18("1","9","8","9","4","10","1") = "9"
    & skf18("1","9","8","9","5","1","1") = "8"
    & skf18("1","9","8","9","5","2","1") = "8"
    & skf18("1","9","8","9","5","3","1") = "8"
    & skf18("1","9","8","9","5","4","1") = "8"
    & skf18("1","9","8","9","5","5","1") = "8"
    & skf18("1","9","8","9","5","6","1") = "8"
    & skf18("1","9","8","9","5","7","1") = "8"
    & skf18("1","9","8","9","5","8","1") = "8"
    & skf18("1","9","8","9","5","9","1") = "8"
    & skf18("1","9","8","9","5","10","1") = "9"
    & skf18("1","9","8","9","6","1","1") = "8"
    & skf18("1","9","8","9","6","2","1") = "8"
    & skf18("1","9","8","9","6","3","1") = "8"
    & skf18("1","9","8","9","6","4","1") = "8"
    & skf18("1","9","8","9","6","5","1") = "8"
    & skf18("1","9","8","9","6","6","1") = "8"
    & skf18("1","9","8","9","6","7","1") = "8"
    & skf18("1","9","8","9","6","8","1") = "8"
    & skf18("1","9","8","9","6","9","1") = "8"
    & skf18("1","9","8","9","6","10","1") = "9"
    & skf18("1","9","8","9","7","1","1") = "8"
    & skf18("1","9","8","9","7","2","1") = "8"
    & skf18("1","9","8","9","7","3","1") = "8"
    & skf18("1","9","8","9","7","4","1") = "8"
    & skf18("1","9","8","9","7","5","1") = "8"
    & skf18("1","9","8","9","7","6","1") = "8"
    & skf18("1","9","8","9","7","7","1") = "8"
    & skf18("1","9","8","9","7","8","1") = "8"
    & skf18("1","9","8","9","7","9","1") = "8"
    & skf18("1","9","8","9","7","10","1") = "9"
    & skf18("1","9","8","9","8","1","1") = "8"
    & skf18("1","9","8","9","8","2","1") = "8"
    & skf18("1","9","8","9","8","3","1") = "8"
    & skf18("1","9","8","9","8","4","1") = "8"
    & skf18("1","9","8","9","8","5","1") = "8"
    & skf18("1","9","8","9","8","6","1") = "8"
    & skf18("1","9","8","9","8","7","1") = "8"
    & skf18("1","9","8","9","8","8","1") = "8"
    & skf18("1","9","8","9","8","9","1") = "8"
    & skf18("1","9","8","9","8","10","1") = "9"
    & skf18("1","9","8","9","9","1","1") = "8"
    & skf18("1","9","8","9","9","2","1") = "8"
    & skf18("1","9","8","9","9","3","1") = "8"
    & skf18("1","9","8","9","9","4","1") = "8"
    & skf18("1","9","8","9","9","5","1") = "8"
    & skf18("1","9","8","9","9","6","1") = "8"
    & skf18("1","9","8","9","9","7","1") = "8"
    & skf18("1","9","8","9","9","8","1") = "8"
    & skf18("1","9","8","9","9","9","1") = "8"
    & skf18("1","9","8","9","9","10","1") = "9"
    & skf18("1","9","8","9","10","1","1") = "9"
    & skf18("1","9","8","9","10","2","1") = "9"
    & skf18("1","9","8","9","10","3","1") = "9"
    & skf18("1","9","8","9","10","4","1") = "9"
    & skf18("1","9","8","9","10","5","1") = "9"
    & skf18("1","9","8","9","10","6","1") = "9"
    & skf18("1","9","8","9","10","7","1") = "9"
    & skf18("1","9","8","9","10","8","1") = "9"
    & skf18("1","9","8","9","10","9","1") = "9"
    & skf18("1","9","8","9","10","10","1") = "9"
    & skf18("1","9","8","10","1","1","1") = "9"
    & skf18("1","9","8","10","1","2","1") = "9"
    & skf18("1","9","8","10","1","3","1") = "9"
    & skf18("1","9","8","10","1","4","1") = "9"
    & skf18("1","9","8","10","1","5","1") = "9"
    & skf18("1","9","8","10","1","6","1") = "9"
    & skf18("1","9","8","10","1","7","1") = "9"
    & skf18("1","9","8","10","1","8","1") = "9"
    & skf18("1","9","8","10","1","9","1") = "9"
    & skf18("1","9","8","10","1","10","1") = "9"
    & skf18("1","9","8","10","2","1","1") = "9"
    & skf18("1","9","8","10","2","2","1") = "9"
    & skf18("1","9","8","10","2","3","1") = "9"
    & skf18("1","9","8","10","2","4","1") = "9"
    & skf18("1","9","8","10","2","5","1") = "9"
    & skf18("1","9","8","10","2","6","1") = "9"
    & skf18("1","9","8","10","2","7","1") = "9"
    & skf18("1","9","8","10","2","8","1") = "9"
    & skf18("1","9","8","10","2","9","1") = "9"
    & skf18("1","9","8","10","2","10","1") = "9"
    & skf18("1","9","8","10","3","1","1") = "9"
    & skf18("1","9","8","10","3","2","1") = "9"
    & skf18("1","9","8","10","3","3","1") = "9"
    & skf18("1","9","8","10","3","4","1") = "9"
    & skf18("1","9","8","10","3","5","1") = "9"
    & skf18("1","9","8","10","3","6","1") = "9"
    & skf18("1","9","8","10","3","7","1") = "9"
    & skf18("1","9","8","10","3","8","1") = "9"
    & skf18("1","9","8","10","3","9","1") = "9"
    & skf18("1","9","8","10","3","10","1") = "9"
    & skf18("1","9","8","10","4","1","1") = "9"
    & skf18("1","9","8","10","4","2","1") = "9"
    & skf18("1","9","8","10","4","3","1") = "9"
    & skf18("1","9","8","10","4","4","1") = "9"
    & skf18("1","9","8","10","4","5","1") = "9"
    & skf18("1","9","8","10","4","6","1") = "9"
    & skf18("1","9","8","10","4","7","1") = "9"
    & skf18("1","9","8","10","4","8","1") = "9"
    & skf18("1","9","8","10","4","9","1") = "9"
    & skf18("1","9","8","10","4","10","1") = "9"
    & skf18("1","9","8","10","5","1","1") = "9"
    & skf18("1","9","8","10","5","2","1") = "9"
    & skf18("1","9","8","10","5","3","1") = "9"
    & skf18("1","9","8","10","5","4","1") = "9"
    & skf18("1","9","8","10","5","5","1") = "9"
    & skf18("1","9","8","10","5","6","1") = "9"
    & skf18("1","9","8","10","5","7","1") = "9"
    & skf18("1","9","8","10","5","8","1") = "9"
    & skf18("1","9","8","10","5","9","1") = "9"
    & skf18("1","9","8","10","5","10","1") = "9"
    & skf18("1","9","8","10","6","1","1") = "9"
    & skf18("1","9","8","10","6","2","1") = "9"
    & skf18("1","9","8","10","6","3","1") = "9"
    & skf18("1","9","8","10","6","4","1") = "9"
    & skf18("1","9","8","10","6","5","1") = "9"
    & skf18("1","9","8","10","6","6","1") = "9"
    & skf18("1","9","8","10","6","7","1") = "9"
    & skf18("1","9","8","10","6","8","1") = "9"
    & skf18("1","9","8","10","6","9","1") = "9"
    & skf18("1","9","8","10","6","10","1") = "9"
    & skf18("1","9","8","10","7","1","1") = "9"
    & skf18("1","9","8","10","7","2","1") = "9"
    & skf18("1","9","8","10","7","3","1") = "9"
    & skf18("1","9","8","10","7","4","1") = "9"
    & skf18("1","9","8","10","7","5","1") = "9"
    & skf18("1","9","8","10","7","6","1") = "9"
    & skf18("1","9","8","10","7","7","1") = "9"
    & skf18("1","9","8","10","7","8","1") = "9"
    & skf18("1","9","8","10","7","9","1") = "9"
    & skf18("1","9","8","10","7","10","1") = "9"
    & skf18("1","9","8","10","8","1","1") = "9"
    & skf18("1","9","8","10","8","2","1") = "9"
    & skf18("1","9","8","10","8","3","1") = "9"
    & skf18("1","9","8","10","8","4","1") = "9"
    & skf18("1","9","8","10","8","5","1") = "9"
    & skf18("1","9","8","10","8","6","1") = "9"
    & skf18("1","9","8","10","8","7","1") = "9"
    & skf18("1","9","8","10","8","8","1") = "9"
    & skf18("1","9","8","10","8","9","1") = "9"
    & skf18("1","9","8","10","8","10","1") = "9"
    & skf18("1","9","8","10","9","1","1") = "9"
    & skf18("1","9","8","10","9","2","1") = "9"
    & skf18("1","9","8","10","9","3","1") = "9"
    & skf18("1","9","8","10","9","4","1") = "9"
    & skf18("1","9","8","10","9","5","1") = "9"
    & skf18("1","9","8","10","9","6","1") = "9"
    & skf18("1","9","8","10","9","7","1") = "9"
    & skf18("1","9","8","10","9","8","1") = "9"
    & skf18("1","9","8","10","9","9","1") = "9"
    & skf18("1","9","8","10","9","10","1") = "9"
    & skf18("1","9","8","10","10","1","1") = "9"
    & skf18("1","9","8","10","10","2","1") = "9"
    & skf18("1","9","8","10","10","3","1") = "9"
    & skf18("1","9","8","10","10","4","1") = "9"
    & skf18("1","9","8","10","10","5","1") = "9"
    & skf18("1","9","8","10","10","6","1") = "9"
    & skf18("1","9","8","10","10","7","1") = "9"
    & skf18("1","9","8","10","10","8","1") = "9"
    & skf18("1","9","8","10","10","9","1") = "9"
    & skf18("1","9","8","10","10","10","1") = "9"
    & skf18("1","9","9","1","1","1","1") = "8"
    & skf18("1","9","9","1","1","2","1") = "8"
    & skf18("1","9","9","1","1","3","1") = "8"
    & skf18("1","9","9","1","1","4","1") = "8"
    & skf18("1","9","9","1","1","5","1") = "8"
    & skf18("1","9","9","1","1","6","1") = "8"
    & skf18("1","9","9","1","1","7","1") = "8"
    & skf18("1","9","9","1","1","8","1") = "8"
    & skf18("1","9","9","1","1","9","1") = "8"
    & skf18("1","9","9","1","1","10","1") = "9"
    & skf18("1","9","9","1","2","1","1") = "8"
    & skf18("1","9","9","1","2","2","1") = "8"
    & skf18("1","9","9","1","2","3","1") = "8"
    & skf18("1","9","9","1","2","4","1") = "8"
    & skf18("1","9","9","1","2","5","1") = "8"
    & skf18("1","9","9","1","2","6","1") = "8"
    & skf18("1","9","9","1","2","7","1") = "8"
    & skf18("1","9","9","1","2","8","1") = "8"
    & skf18("1","9","9","1","2","9","1") = "8"
    & skf18("1","9","9","1","2","10","1") = "9"
    & skf18("1","9","9","1","3","1","1") = "8"
    & skf18("1","9","9","1","3","2","1") = "8"
    & skf18("1","9","9","1","3","3","1") = "8"
    & skf18("1","9","9","1","3","4","1") = "8"
    & skf18("1","9","9","1","3","5","1") = "8"
    & skf18("1","9","9","1","3","6","1") = "8"
    & skf18("1","9","9","1","3","7","1") = "8"
    & skf18("1","9","9","1","3","8","1") = "8"
    & skf18("1","9","9","1","3","9","1") = "8"
    & skf18("1","9","9","1","3","10","1") = "9"
    & skf18("1","9","9","1","4","1","1") = "8"
    & skf18("1","9","9","1","4","2","1") = "8"
    & skf18("1","9","9","1","4","3","1") = "8"
    & skf18("1","9","9","1","4","4","1") = "8"
    & skf18("1","9","9","1","4","5","1") = "8"
    & skf18("1","9","9","1","4","6","1") = "8"
    & skf18("1","9","9","1","4","7","1") = "8"
    & skf18("1","9","9","1","4","8","1") = "8"
    & skf18("1","9","9","1","4","9","1") = "8"
    & skf18("1","9","9","1","4","10","1") = "9"
    & skf18("1","9","9","1","5","1","1") = "8"
    & skf18("1","9","9","1","5","2","1") = "8"
    & skf18("1","9","9","1","5","3","1") = "8"
    & skf18("1","9","9","1","5","4","1") = "8"
    & skf18("1","9","9","1","5","5","1") = "8"
    & skf18("1","9","9","1","5","6","1") = "8"
    & skf18("1","9","9","1","5","7","1") = "8"
    & skf18("1","9","9","1","5","8","1") = "8"
    & skf18("1","9","9","1","5","9","1") = "8"
    & skf18("1","9","9","1","5","10","1") = "9"
    & skf18("1","9","9","1","6","1","1") = "8"
    & skf18("1","9","9","1","6","2","1") = "8"
    & skf18("1","9","9","1","6","3","1") = "8"
    & skf18("1","9","9","1","6","4","1") = "8"
    & skf18("1","9","9","1","6","5","1") = "8"
    & skf18("1","9","9","1","6","6","1") = "8"
    & skf18("1","9","9","1","6","7","1") = "8"
    & skf18("1","9","9","1","6","8","1") = "8"
    & skf18("1","9","9","1","6","9","1") = "8"
    & skf18("1","9","9","1","6","10","1") = "9"
    & skf18("1","9","9","1","7","1","1") = "8"
    & skf18("1","9","9","1","7","2","1") = "8"
    & skf18("1","9","9","1","7","3","1") = "8"
    & skf18("1","9","9","1","7","4","1") = "8"
    & skf18("1","9","9","1","7","5","1") = "8"
    & skf18("1","9","9","1","7","6","1") = "8"
    & skf18("1","9","9","1","7","7","1") = "8"
    & skf18("1","9","9","1","7","8","1") = "8"
    & skf18("1","9","9","1","7","9","1") = "8"
    & skf18("1","9","9","1","7","10","1") = "9"
    & skf18("1","9","9","1","8","1","1") = "8"
    & skf18("1","9","9","1","8","2","1") = "8"
    & skf18("1","9","9","1","8","3","1") = "8"
    & skf18("1","9","9","1","8","4","1") = "8"
    & skf18("1","9","9","1","8","5","1") = "8"
    & skf18("1","9","9","1","8","6","1") = "8"
    & skf18("1","9","9","1","8","7","1") = "8"
    & skf18("1","9","9","1","8","8","1") = "8"
    & skf18("1","9","9","1","8","9","1") = "8"
    & skf18("1","9","9","1","8","10","1") = "9"
    & skf18("1","9","9","1","9","1","1") = "8"
    & skf18("1","9","9","1","9","2","1") = "8"
    & skf18("1","9","9","1","9","3","1") = "8"
    & skf18("1","9","9","1","9","4","1") = "8"
    & skf18("1","9","9","1","9","5","1") = "8"
    & skf18("1","9","9","1","9","6","1") = "8"
    & skf18("1","9","9","1","9","7","1") = "8"
    & skf18("1","9","9","1","9","8","1") = "8"
    & skf18("1","9","9","1","9","9","1") = "8"
    & skf18("1","9","9","1","9","10","1") = "9"
    & skf18("1","9","9","1","10","1","1") = "9"
    & skf18("1","9","9","1","10","2","1") = "9"
    & skf18("1","9","9","1","10","3","1") = "9"
    & skf18("1","9","9","1","10","4","1") = "9"
    & skf18("1","9","9","1","10","5","1") = "9"
    & skf18("1","9","9","1","10","6","1") = "9"
    & skf18("1","9","9","1","10","7","1") = "9"
    & skf18("1","9","9","1","10","8","1") = "9"
    & skf18("1","9","9","1","10","9","1") = "9"
    & skf18("1","9","9","1","10","10","1") = "9"
    & skf18("1","9","9","2","1","1","1") = "8"
    & skf18("1","9","9","2","1","2","1") = "8"
    & skf18("1","9","9","2","1","3","1") = "8"
    & skf18("1","9","9","2","1","4","1") = "8"
    & skf18("1","9","9","2","1","5","1") = "8"
    & skf18("1","9","9","2","1","6","1") = "8"
    & skf18("1","9","9","2","1","7","1") = "8"
    & skf18("1","9","9","2","1","8","1") = "8"
    & skf18("1","9","9","2","1","9","1") = "8"
    & skf18("1","9","9","2","1","10","1") = "9"
    & skf18("1","9","9","2","2","1","1") = "8"
    & skf18("1","9","9","2","2","2","1") = "8"
    & skf18("1","9","9","2","2","3","1") = "8"
    & skf18("1","9","9","2","2","4","1") = "8"
    & skf18("1","9","9","2","2","5","1") = "8"
    & skf18("1","9","9","2","2","6","1") = "8"
    & skf18("1","9","9","2","2","7","1") = "8"
    & skf18("1","9","9","2","2","8","1") = "8"
    & skf18("1","9","9","2","2","9","1") = "8"
    & skf18("1","9","9","2","2","10","1") = "9"
    & skf18("1","9","9","2","3","1","1") = "8"
    & skf18("1","9","9","2","3","2","1") = "8"
    & skf18("1","9","9","2","3","3","1") = "8"
    & skf18("1","9","9","2","3","4","1") = "8"
    & skf18("1","9","9","2","3","5","1") = "8"
    & skf18("1","9","9","2","3","6","1") = "8"
    & skf18("1","9","9","2","3","7","1") = "8"
    & skf18("1","9","9","2","3","8","1") = "8"
    & skf18("1","9","9","2","3","9","1") = "8"
    & skf18("1","9","9","2","3","10","1") = "9"
    & skf18("1","9","9","2","4","1","1") = "8"
    & skf18("1","9","9","2","4","2","1") = "8"
    & skf18("1","9","9","2","4","3","1") = "8"
    & skf18("1","9","9","2","4","4","1") = "8"
    & skf18("1","9","9","2","4","5","1") = "8"
    & skf18("1","9","9","2","4","6","1") = "8"
    & skf18("1","9","9","2","4","7","1") = "8"
    & skf18("1","9","9","2","4","8","1") = "8"
    & skf18("1","9","9","2","4","9","1") = "8"
    & skf18("1","9","9","2","4","10","1") = "9"
    & skf18("1","9","9","2","5","1","1") = "8"
    & skf18("1","9","9","2","5","2","1") = "8"
    & skf18("1","9","9","2","5","3","1") = "8"
    & skf18("1","9","9","2","5","4","1") = "8"
    & skf18("1","9","9","2","5","5","1") = "8"
    & skf18("1","9","9","2","5","6","1") = "8"
    & skf18("1","9","9","2","5","7","1") = "8"
    & skf18("1","9","9","2","5","8","1") = "8"
    & skf18("1","9","9","2","5","9","1") = "8"
    & skf18("1","9","9","2","5","10","1") = "9"
    & skf18("1","9","9","2","6","1","1") = "8"
    & skf18("1","9","9","2","6","2","1") = "8"
    & skf18("1","9","9","2","6","3","1") = "8"
    & skf18("1","9","9","2","6","4","1") = "8"
    & skf18("1","9","9","2","6","5","1") = "8"
    & skf18("1","9","9","2","6","6","1") = "8"
    & skf18("1","9","9","2","6","7","1") = "8"
    & skf18("1","9","9","2","6","8","1") = "8"
    & skf18("1","9","9","2","6","9","1") = "8"
    & skf18("1","9","9","2","6","10","1") = "9"
    & skf18("1","9","9","2","7","1","1") = "8"
    & skf18("1","9","9","2","7","2","1") = "8"
    & skf18("1","9","9","2","7","3","1") = "8"
    & skf18("1","9","9","2","7","4","1") = "8"
    & skf18("1","9","9","2","7","5","1") = "8"
    & skf18("1","9","9","2","7","6","1") = "8"
    & skf18("1","9","9","2","7","7","1") = "8"
    & skf18("1","9","9","2","7","8","1") = "8"
    & skf18("1","9","9","2","7","9","1") = "8"
    & skf18("1","9","9","2","7","10","1") = "9"
    & skf18("1","9","9","2","8","1","1") = "8"
    & skf18("1","9","9","2","8","2","1") = "8"
    & skf18("1","9","9","2","8","3","1") = "8"
    & skf18("1","9","9","2","8","4","1") = "8"
    & skf18("1","9","9","2","8","5","1") = "8"
    & skf18("1","9","9","2","8","6","1") = "8"
    & skf18("1","9","9","2","8","7","1") = "8"
    & skf18("1","9","9","2","8","8","1") = "8"
    & skf18("1","9","9","2","8","9","1") = "8"
    & skf18("1","9","9","2","8","10","1") = "9"
    & skf18("1","9","9","2","9","1","1") = "8"
    & skf18("1","9","9","2","9","2","1") = "8"
    & skf18("1","9","9","2","9","3","1") = "8"
    & skf18("1","9","9","2","9","4","1") = "8"
    & skf18("1","9","9","2","9","5","1") = "8"
    & skf18("1","9","9","2","9","6","1") = "8"
    & skf18("1","9","9","2","9","7","1") = "8"
    & skf18("1","9","9","2","9","8","1") = "8"
    & skf18("1","9","9","2","9","9","1") = "8"
    & skf18("1","9","9","2","9","10","1") = "9"
    & skf18("1","9","9","2","10","1","1") = "9"
    & skf18("1","9","9","2","10","2","1") = "9"
    & skf18("1","9","9","2","10","3","1") = "9"
    & skf18("1","9","9","2","10","4","1") = "9"
    & skf18("1","9","9","2","10","5","1") = "9"
    & skf18("1","9","9","2","10","6","1") = "9"
    & skf18("1","9","9","2","10","7","1") = "9"
    & skf18("1","9","9","2","10","8","1") = "9"
    & skf18("1","9","9","2","10","9","1") = "9"
    & skf18("1","9","9","2","10","10","1") = "9"
    & skf18("1","9","9","3","1","1","1") = "8"
    & skf18("1","9","9","3","1","2","1") = "8"
    & skf18("1","9","9","3","1","3","1") = "8"
    & skf18("1","9","9","3","1","4","1") = "8"
    & skf18("1","9","9","3","1","5","1") = "8"
    & skf18("1","9","9","3","1","6","1") = "8"
    & skf18("1","9","9","3","1","7","1") = "8"
    & skf18("1","9","9","3","1","8","1") = "8"
    & skf18("1","9","9","3","1","9","1") = "8"
    & skf18("1","9","9","3","1","10","1") = "9"
    & skf18("1","9","9","3","2","1","1") = "8"
    & skf18("1","9","9","3","2","2","1") = "8"
    & skf18("1","9","9","3","2","3","1") = "8"
    & skf18("1","9","9","3","2","4","1") = "8"
    & skf18("1","9","9","3","2","5","1") = "8"
    & skf18("1","9","9","3","2","6","1") = "8"
    & skf18("1","9","9","3","2","7","1") = "8"
    & skf18("1","9","9","3","2","8","1") = "8"
    & skf18("1","9","9","3","2","9","1") = "8"
    & skf18("1","9","9","3","2","10","1") = "9"
    & skf18("1","9","9","3","3","1","1") = "8"
    & skf18("1","9","9","3","3","2","1") = "8"
    & skf18("1","9","9","3","3","3","1") = "8"
    & skf18("1","9","9","3","3","4","1") = "8"
    & skf18("1","9","9","3","3","5","1") = "8"
    & skf18("1","9","9","3","3","6","1") = "8"
    & skf18("1","9","9","3","3","7","1") = "8"
    & skf18("1","9","9","3","3","8","1") = "8"
    & skf18("1","9","9","3","3","9","1") = "8"
    & skf18("1","9","9","3","3","10","1") = "9"
    & skf18("1","9","9","3","4","1","1") = "8"
    & skf18("1","9","9","3","4","2","1") = "8"
    & skf18("1","9","9","3","4","3","1") = "8"
    & skf18("1","9","9","3","4","4","1") = "8"
    & skf18("1","9","9","3","4","5","1") = "8"
    & skf18("1","9","9","3","4","6","1") = "8"
    & skf18("1","9","9","3","4","7","1") = "8"
    & skf18("1","9","9","3","4","8","1") = "8"
    & skf18("1","9","9","3","4","9","1") = "8"
    & skf18("1","9","9","3","4","10","1") = "9"
    & skf18("1","9","9","3","5","1","1") = "8"
    & skf18("1","9","9","3","5","2","1") = "8"
    & skf18("1","9","9","3","5","3","1") = "8"
    & skf18("1","9","9","3","5","4","1") = "8"
    & skf18("1","9","9","3","5","5","1") = "8"
    & skf18("1","9","9","3","5","6","1") = "8"
    & skf18("1","9","9","3","5","7","1") = "8"
    & skf18("1","9","9","3","5","8","1") = "8"
    & skf18("1","9","9","3","5","9","1") = "8"
    & skf18("1","9","9","3","5","10","1") = "9"
    & skf18("1","9","9","3","6","1","1") = "8"
    & skf18("1","9","9","3","6","2","1") = "8"
    & skf18("1","9","9","3","6","3","1") = "8"
    & skf18("1","9","9","3","6","4","1") = "8"
    & skf18("1","9","9","3","6","5","1") = "8"
    & skf18("1","9","9","3","6","6","1") = "8"
    & skf18("1","9","9","3","6","7","1") = "8"
    & skf18("1","9","9","3","6","8","1") = "8"
    & skf18("1","9","9","3","6","9","1") = "8"
    & skf18("1","9","9","3","6","10","1") = "9"
    & skf18("1","9","9","3","7","1","1") = "8"
    & skf18("1","9","9","3","7","2","1") = "8"
    & skf18("1","9","9","3","7","3","1") = "8"
    & skf18("1","9","9","3","7","4","1") = "8"
    & skf18("1","9","9","3","7","5","1") = "8"
    & skf18("1","9","9","3","7","6","1") = "8"
    & skf18("1","9","9","3","7","7","1") = "8"
    & skf18("1","9","9","3","7","8","1") = "8"
    & skf18("1","9","9","3","7","9","1") = "8"
    & skf18("1","9","9","3","7","10","1") = "9"
    & skf18("1","9","9","3","8","1","1") = "8"
    & skf18("1","9","9","3","8","2","1") = "8"
    & skf18("1","9","9","3","8","3","1") = "8"
    & skf18("1","9","9","3","8","4","1") = "8"
    & skf18("1","9","9","3","8","5","1") = "8"
    & skf18("1","9","9","3","8","6","1") = "8"
    & skf18("1","9","9","3","8","7","1") = "8"
    & skf18("1","9","9","3","8","8","1") = "8"
    & skf18("1","9","9","3","8","9","1") = "8"
    & skf18("1","9","9","3","8","10","1") = "9"
    & skf18("1","9","9","3","9","1","1") = "8"
    & skf18("1","9","9","3","9","2","1") = "8"
    & skf18("1","9","9","3","9","3","1") = "8"
    & skf18("1","9","9","3","9","4","1") = "8"
    & skf18("1","9","9","3","9","5","1") = "8"
    & skf18("1","9","9","3","9","6","1") = "8"
    & skf18("1","9","9","3","9","7","1") = "8"
    & skf18("1","9","9","3","9","8","1") = "8"
    & skf18("1","9","9","3","9","9","1") = "8"
    & skf18("1","9","9","3","9","10","1") = "9"
    & skf18("1","9","9","3","10","1","1") = "9"
    & skf18("1","9","9","3","10","2","1") = "9"
    & skf18("1","9","9","3","10","3","1") = "9"
    & skf18("1","9","9","3","10","4","1") = "9"
    & skf18("1","9","9","3","10","5","1") = "9"
    & skf18("1","9","9","3","10","6","1") = "9"
    & skf18("1","9","9","3","10","7","1") = "9"
    & skf18("1","9","9","3","10","8","1") = "9"
    & skf18("1","9","9","3","10","9","1") = "9"
    & skf18("1","9","9","3","10","10","1") = "9"
    & skf18("1","9","9","4","1","1","1") = "8"
    & skf18("1","9","9","4","1","2","1") = "8"
    & skf18("1","9","9","4","1","3","1") = "8"
    & skf18("1","9","9","4","1","4","1") = "8"
    & skf18("1","9","9","4","1","5","1") = "8"
    & skf18("1","9","9","4","1","6","1") = "8"
    & skf18("1","9","9","4","1","7","1") = "8"
    & skf18("1","9","9","4","1","8","1") = "8"
    & skf18("1","9","9","4","1","9","1") = "8"
    & skf18("1","9","9","4","1","10","1") = "9"
    & skf18("1","9","9","4","2","1","1") = "8"
    & skf18("1","9","9","4","2","2","1") = "8"
    & skf18("1","9","9","4","2","3","1") = "8"
    & skf18("1","9","9","4","2","4","1") = "8"
    & skf18("1","9","9","4","2","5","1") = "8"
    & skf18("1","9","9","4","2","6","1") = "8"
    & skf18("1","9","9","4","2","7","1") = "8"
    & skf18("1","9","9","4","2","8","1") = "8"
    & skf18("1","9","9","4","2","9","1") = "8"
    & skf18("1","9","9","4","2","10","1") = "9"
    & skf18("1","9","9","4","3","1","1") = "8"
    & skf18("1","9","9","4","3","2","1") = "8"
    & skf18("1","9","9","4","3","3","1") = "8"
    & skf18("1","9","9","4","3","4","1") = "8"
    & skf18("1","9","9","4","3","5","1") = "8"
    & skf18("1","9","9","4","3","6","1") = "8"
    & skf18("1","9","9","4","3","7","1") = "8"
    & skf18("1","9","9","4","3","8","1") = "8"
    & skf18("1","9","9","4","3","9","1") = "8"
    & skf18("1","9","9","4","3","10","1") = "9"
    & skf18("1","9","9","4","4","1","1") = "8"
    & skf18("1","9","9","4","4","2","1") = "8"
    & skf18("1","9","9","4","4","3","1") = "8"
    & skf18("1","9","9","4","4","4","1") = "8"
    & skf18("1","9","9","4","4","5","1") = "8"
    & skf18("1","9","9","4","4","6","1") = "8"
    & skf18("1","9","9","4","4","7","1") = "8"
    & skf18("1","9","9","4","4","8","1") = "8"
    & skf18("1","9","9","4","4","9","1") = "8"
    & skf18("1","9","9","4","4","10","1") = "9"
    & skf18("1","9","9","4","5","1","1") = "8"
    & skf18("1","9","9","4","5","2","1") = "8"
    & skf18("1","9","9","4","5","3","1") = "8"
    & skf18("1","9","9","4","5","4","1") = "8"
    & skf18("1","9","9","4","5","5","1") = "8"
    & skf18("1","9","9","4","5","6","1") = "8"
    & skf18("1","9","9","4","5","7","1") = "8"
    & skf18("1","9","9","4","5","8","1") = "8"
    & skf18("1","9","9","4","5","9","1") = "8"
    & skf18("1","9","9","4","5","10","1") = "9"
    & skf18("1","9","9","4","6","1","1") = "8"
    & skf18("1","9","9","4","6","2","1") = "8"
    & skf18("1","9","9","4","6","3","1") = "8"
    & skf18("1","9","9","4","6","4","1") = "8"
    & skf18("1","9","9","4","6","5","1") = "8"
    & skf18("1","9","9","4","6","6","1") = "8"
    & skf18("1","9","9","4","6","7","1") = "8"
    & skf18("1","9","9","4","6","8","1") = "8"
    & skf18("1","9","9","4","6","9","1") = "8"
    & skf18("1","9","9","4","6","10","1") = "9"
    & skf18("1","9","9","4","7","1","1") = "8"
    & skf18("1","9","9","4","7","2","1") = "8"
    & skf18("1","9","9","4","7","3","1") = "8"
    & skf18("1","9","9","4","7","4","1") = "8"
    & skf18("1","9","9","4","7","5","1") = "8"
    & skf18("1","9","9","4","7","6","1") = "8"
    & skf18("1","9","9","4","7","7","1") = "8"
    & skf18("1","9","9","4","7","8","1") = "8"
    & skf18("1","9","9","4","7","9","1") = "8"
    & skf18("1","9","9","4","7","10","1") = "9"
    & skf18("1","9","9","4","8","1","1") = "8"
    & skf18("1","9","9","4","8","2","1") = "8"
    & skf18("1","9","9","4","8","3","1") = "8"
    & skf18("1","9","9","4","8","4","1") = "8"
    & skf18("1","9","9","4","8","5","1") = "8"
    & skf18("1","9","9","4","8","6","1") = "8"
    & skf18("1","9","9","4","8","7","1") = "8"
    & skf18("1","9","9","4","8","8","1") = "8"
    & skf18("1","9","9","4","8","9","1") = "8"
    & skf18("1","9","9","4","8","10","1") = "9"
    & skf18("1","9","9","4","9","1","1") = "8"
    & skf18("1","9","9","4","9","2","1") = "8"
    & skf18("1","9","9","4","9","3","1") = "8"
    & skf18("1","9","9","4","9","4","1") = "8"
    & skf18("1","9","9","4","9","5","1") = "8"
    & skf18("1","9","9","4","9","6","1") = "8"
    & skf18("1","9","9","4","9","7","1") = "8"
    & skf18("1","9","9","4","9","8","1") = "8"
    & skf18("1","9","9","4","9","9","1") = "8"
    & skf18("1","9","9","4","9","10","1") = "9"
    & skf18("1","9","9","4","10","1","1") = "9"
    & skf18("1","9","9","4","10","2","1") = "9"
    & skf18("1","9","9","4","10","3","1") = "9"
    & skf18("1","9","9","4","10","4","1") = "9"
    & skf18("1","9","9","4","10","5","1") = "9"
    & skf18("1","9","9","4","10","6","1") = "9"
    & skf18("1","9","9","4","10","7","1") = "9"
    & skf18("1","9","9","4","10","8","1") = "9"
    & skf18("1","9","9","4","10","9","1") = "9"
    & skf18("1","9","9","4","10","10","1") = "9"
    & skf18("1","9","9","5","1","1","1") = "8"
    & skf18("1","9","9","5","1","2","1") = "8"
    & skf18("1","9","9","5","1","3","1") = "8"
    & skf18("1","9","9","5","1","4","1") = "8"
    & skf18("1","9","9","5","1","5","1") = "8"
    & skf18("1","9","9","5","1","6","1") = "8"
    & skf18("1","9","9","5","1","7","1") = "8"
    & skf18("1","9","9","5","1","8","1") = "8"
    & skf18("1","9","9","5","1","9","1") = "8"
    & skf18("1","9","9","5","1","10","1") = "9"
    & skf18("1","9","9","5","2","1","1") = "8"
    & skf18("1","9","9","5","2","2","1") = "8"
    & skf18("1","9","9","5","2","3","1") = "8"
    & skf18("1","9","9","5","2","4","1") = "8"
    & skf18("1","9","9","5","2","5","1") = "8"
    & skf18("1","9","9","5","2","6","1") = "8"
    & skf18("1","9","9","5","2","7","1") = "8"
    & skf18("1","9","9","5","2","8","1") = "8"
    & skf18("1","9","9","5","2","9","1") = "8"
    & skf18("1","9","9","5","2","10","1") = "9"
    & skf18("1","9","9","5","3","1","1") = "8"
    & skf18("1","9","9","5","3","2","1") = "8"
    & skf18("1","9","9","5","3","3","1") = "8"
    & skf18("1","9","9","5","3","4","1") = "8"
    & skf18("1","9","9","5","3","5","1") = "8"
    & skf18("1","9","9","5","3","6","1") = "8"
    & skf18("1","9","9","5","3","7","1") = "8"
    & skf18("1","9","9","5","3","8","1") = "8"
    & skf18("1","9","9","5","3","9","1") = "8"
    & skf18("1","9","9","5","3","10","1") = "9"
    & skf18("1","9","9","5","4","1","1") = "8"
    & skf18("1","9","9","5","4","2","1") = "8"
    & skf18("1","9","9","5","4","3","1") = "8"
    & skf18("1","9","9","5","4","4","1") = "8"
    & skf18("1","9","9","5","4","5","1") = "8"
    & skf18("1","9","9","5","4","6","1") = "8"
    & skf18("1","9","9","5","4","7","1") = "8"
    & skf18("1","9","9","5","4","8","1") = "8"
    & skf18("1","9","9","5","4","9","1") = "8"
    & skf18("1","9","9","5","4","10","1") = "9"
    & skf18("1","9","9","5","5","1","1") = "8"
    & skf18("1","9","9","5","5","2","1") = "8"
    & skf18("1","9","9","5","5","3","1") = "8"
    & skf18("1","9","9","5","5","4","1") = "8"
    & skf18("1","9","9","5","5","5","1") = "8"
    & skf18("1","9","9","5","5","6","1") = "8"
    & skf18("1","9","9","5","5","7","1") = "8"
    & skf18("1","9","9","5","5","8","1") = "8"
    & skf18("1","9","9","5","5","9","1") = "8"
    & skf18("1","9","9","5","5","10","1") = "9"
    & skf18("1","9","9","5","6","1","1") = "8"
    & skf18("1","9","9","5","6","2","1") = "8"
    & skf18("1","9","9","5","6","3","1") = "8"
    & skf18("1","9","9","5","6","4","1") = "8"
    & skf18("1","9","9","5","6","5","1") = "8"
    & skf18("1","9","9","5","6","6","1") = "8"
    & skf18("1","9","9","5","6","7","1") = "8"
    & skf18("1","9","9","5","6","8","1") = "8"
    & skf18("1","9","9","5","6","9","1") = "8"
    & skf18("1","9","9","5","6","10","1") = "9"
    & skf18("1","9","9","5","7","1","1") = "8"
    & skf18("1","9","9","5","7","2","1") = "8"
    & skf18("1","9","9","5","7","3","1") = "8"
    & skf18("1","9","9","5","7","4","1") = "8"
    & skf18("1","9","9","5","7","5","1") = "8"
    & skf18("1","9","9","5","7","6","1") = "8"
    & skf18("1","9","9","5","7","7","1") = "8"
    & skf18("1","9","9","5","7","8","1") = "8"
    & skf18("1","9","9","5","7","9","1") = "8"
    & skf18("1","9","9","5","7","10","1") = "9"
    & skf18("1","9","9","5","8","1","1") = "8"
    & skf18("1","9","9","5","8","2","1") = "8"
    & skf18("1","9","9","5","8","3","1") = "8"
    & skf18("1","9","9","5","8","4","1") = "8"
    & skf18("1","9","9","5","8","5","1") = "8"
    & skf18("1","9","9","5","8","6","1") = "8"
    & skf18("1","9","9","5","8","7","1") = "8"
    & skf18("1","9","9","5","8","8","1") = "8"
    & skf18("1","9","9","5","8","9","1") = "8"
    & skf18("1","9","9","5","8","10","1") = "9"
    & skf18("1","9","9","5","9","1","1") = "8"
    & skf18("1","9","9","5","9","2","1") = "8"
    & skf18("1","9","9","5","9","3","1") = "8"
    & skf18("1","9","9","5","9","4","1") = "8"
    & skf18("1","9","9","5","9","5","1") = "8"
    & skf18("1","9","9","5","9","6","1") = "8"
    & skf18("1","9","9","5","9","7","1") = "8"
    & skf18("1","9","9","5","9","8","1") = "8"
    & skf18("1","9","9","5","9","9","1") = "8"
    & skf18("1","9","9","5","9","10","1") = "9"
    & skf18("1","9","9","5","10","1","1") = "9"
    & skf18("1","9","9","5","10","2","1") = "9"
    & skf18("1","9","9","5","10","3","1") = "9"
    & skf18("1","9","9","5","10","4","1") = "9"
    & skf18("1","9","9","5","10","5","1") = "9"
    & skf18("1","9","9","5","10","6","1") = "9"
    & skf18("1","9","9","5","10","7","1") = "9"
    & skf18("1","9","9","5","10","8","1") = "9"
    & skf18("1","9","9","5","10","9","1") = "9"
    & skf18("1","9","9","5","10","10","1") = "9"
    & skf18("1","9","9","6","1","1","1") = "8"
    & skf18("1","9","9","6","1","2","1") = "8"
    & skf18("1","9","9","6","1","3","1") = "8"
    & skf18("1","9","9","6","1","4","1") = "8"
    & skf18("1","9","9","6","1","5","1") = "8"
    & skf18("1","9","9","6","1","6","1") = "8"
    & skf18("1","9","9","6","1","7","1") = "8"
    & skf18("1","9","9","6","1","8","1") = "8"
    & skf18("1","9","9","6","1","9","1") = "8"
    & skf18("1","9","9","6","1","10","1") = "9"
    & skf18("1","9","9","6","2","1","1") = "8"
    & skf18("1","9","9","6","2","2","1") = "8"
    & skf18("1","9","9","6","2","3","1") = "8"
    & skf18("1","9","9","6","2","4","1") = "8"
    & skf18("1","9","9","6","2","5","1") = "8"
    & skf18("1","9","9","6","2","6","1") = "8"
    & skf18("1","9","9","6","2","7","1") = "8"
    & skf18("1","9","9","6","2","8","1") = "8"
    & skf18("1","9","9","6","2","9","1") = "8"
    & skf18("1","9","9","6","2","10","1") = "9"
    & skf18("1","9","9","6","3","1","1") = "8"
    & skf18("1","9","9","6","3","2","1") = "8"
    & skf18("1","9","9","6","3","3","1") = "8"
    & skf18("1","9","9","6","3","4","1") = "8"
    & skf18("1","9","9","6","3","5","1") = "8"
    & skf18("1","9","9","6","3","6","1") = "8"
    & skf18("1","9","9","6","3","7","1") = "8"
    & skf18("1","9","9","6","3","8","1") = "8"
    & skf18("1","9","9","6","3","9","1") = "8"
    & skf18("1","9","9","6","3","10","1") = "9"
    & skf18("1","9","9","6","4","1","1") = "8"
    & skf18("1","9","9","6","4","2","1") = "8"
    & skf18("1","9","9","6","4","3","1") = "8"
    & skf18("1","9","9","6","4","4","1") = "8"
    & skf18("1","9","9","6","4","5","1") = "8"
    & skf18("1","9","9","6","4","6","1") = "8"
    & skf18("1","9","9","6","4","7","1") = "8"
    & skf18("1","9","9","6","4","8","1") = "8"
    & skf18("1","9","9","6","4","9","1") = "8"
    & skf18("1","9","9","6","4","10","1") = "9"
    & skf18("1","9","9","6","5","1","1") = "8"
    & skf18("1","9","9","6","5","2","1") = "8"
    & skf18("1","9","9","6","5","3","1") = "8"
    & skf18("1","9","9","6","5","4","1") = "8"
    & skf18("1","9","9","6","5","5","1") = "8"
    & skf18("1","9","9","6","5","6","1") = "8"
    & skf18("1","9","9","6","5","7","1") = "8"
    & skf18("1","9","9","6","5","8","1") = "8"
    & skf18("1","9","9","6","5","9","1") = "8"
    & skf18("1","9","9","6","5","10","1") = "9"
    & skf18("1","9","9","6","6","1","1") = "8"
    & skf18("1","9","9","6","6","2","1") = "8"
    & skf18("1","9","9","6","6","3","1") = "8"
    & skf18("1","9","9","6","6","4","1") = "8"
    & skf18("1","9","9","6","6","5","1") = "8"
    & skf18("1","9","9","6","6","6","1") = "8"
    & skf18("1","9","9","6","6","7","1") = "8"
    & skf18("1","9","9","6","6","8","1") = "8"
    & skf18("1","9","9","6","6","9","1") = "8"
    & skf18("1","9","9","6","6","10","1") = "9"
    & skf18("1","9","9","6","7","1","1") = "8"
    & skf18("1","9","9","6","7","2","1") = "8"
    & skf18("1","9","9","6","7","3","1") = "8"
    & skf18("1","9","9","6","7","4","1") = "8"
    & skf18("1","9","9","6","7","5","1") = "8"
    & skf18("1","9","9","6","7","6","1") = "8"
    & skf18("1","9","9","6","7","7","1") = "8"
    & skf18("1","9","9","6","7","8","1") = "8"
    & skf18("1","9","9","6","7","9","1") = "8"
    & skf18("1","9","9","6","7","10","1") = "9"
    & skf18("1","9","9","6","8","1","1") = "8"
    & skf18("1","9","9","6","8","2","1") = "8"
    & skf18("1","9","9","6","8","3","1") = "8"
    & skf18("1","9","9","6","8","4","1") = "8"
    & skf18("1","9","9","6","8","5","1") = "8"
    & skf18("1","9","9","6","8","6","1") = "8"
    & skf18("1","9","9","6","8","7","1") = "8"
    & skf18("1","9","9","6","8","8","1") = "8"
    & skf18("1","9","9","6","8","9","1") = "8"
    & skf18("1","9","9","6","8","10","1") = "9"
    & skf18("1","9","9","6","9","1","1") = "8"
    & skf18("1","9","9","6","9","2","1") = "8"
    & skf18("1","9","9","6","9","3","1") = "8"
    & skf18("1","9","9","6","9","4","1") = "8"
    & skf18("1","9","9","6","9","5","1") = "8"
    & skf18("1","9","9","6","9","6","1") = "8"
    & skf18("1","9","9","6","9","7","1") = "8"
    & skf18("1","9","9","6","9","8","1") = "8"
    & skf18("1","9","9","6","9","9","1") = "8"
    & skf18("1","9","9","6","9","10","1") = "9"
    & skf18("1","9","9","6","10","1","1") = "9"
    & skf18("1","9","9","6","10","2","1") = "9"
    & skf18("1","9","9","6","10","3","1") = "9"
    & skf18("1","9","9","6","10","4","1") = "9"
    & skf18("1","9","9","6","10","5","1") = "9"
    & skf18("1","9","9","6","10","6","1") = "9"
    & skf18("1","9","9","6","10","7","1") = "9"
    & skf18("1","9","9","6","10","8","1") = "9"
    & skf18("1","9","9","6","10","9","1") = "9"
    & skf18("1","9","9","6","10","10","1") = "9"
    & skf18("1","9","9","7","1","1","1") = "8"
    & skf18("1","9","9","7","1","2","1") = "8"
    & skf18("1","9","9","7","1","3","1") = "8"
    & skf18("1","9","9","7","1","4","1") = "8"
    & skf18("1","9","9","7","1","5","1") = "8"
    & skf18("1","9","9","7","1","6","1") = "8"
    & skf18("1","9","9","7","1","7","1") = "8"
    & skf18("1","9","9","7","1","8","1") = "8"
    & skf18("1","9","9","7","1","9","1") = "8"
    & skf18("1","9","9","7","1","10","1") = "9"
    & skf18("1","9","9","7","2","1","1") = "8"
    & skf18("1","9","9","7","2","2","1") = "8"
    & skf18("1","9","9","7","2","3","1") = "8"
    & skf18("1","9","9","7","2","4","1") = "8"
    & skf18("1","9","9","7","2","5","1") = "8"
    & skf18("1","9","9","7","2","6","1") = "8"
    & skf18("1","9","9","7","2","7","1") = "8"
    & skf18("1","9","9","7","2","8","1") = "8"
    & skf18("1","9","9","7","2","9","1") = "8"
    & skf18("1","9","9","7","2","10","1") = "9"
    & skf18("1","9","9","7","3","1","1") = "8"
    & skf18("1","9","9","7","3","2","1") = "8"
    & skf18("1","9","9","7","3","3","1") = "8"
    & skf18("1","9","9","7","3","4","1") = "8"
    & skf18("1","9","9","7","3","5","1") = "8"
    & skf18("1","9","9","7","3","6","1") = "8"
    & skf18("1","9","9","7","3","7","1") = "8"
    & skf18("1","9","9","7","3","8","1") = "8"
    & skf18("1","9","9","7","3","9","1") = "8"
    & skf18("1","9","9","7","3","10","1") = "9"
    & skf18("1","9","9","7","4","1","1") = "8"
    & skf18("1","9","9","7","4","2","1") = "8"
    & skf18("1","9","9","7","4","3","1") = "8"
    & skf18("1","9","9","7","4","4","1") = "8"
    & skf18("1","9","9","7","4","5","1") = "8"
    & skf18("1","9","9","7","4","6","1") = "8"
    & skf18("1","9","9","7","4","7","1") = "8"
    & skf18("1","9","9","7","4","8","1") = "8"
    & skf18("1","9","9","7","4","9","1") = "8"
    & skf18("1","9","9","7","4","10","1") = "9"
    & skf18("1","9","9","7","5","1","1") = "8"
    & skf18("1","9","9","7","5","2","1") = "8"
    & skf18("1","9","9","7","5","3","1") = "8"
    & skf18("1","9","9","7","5","4","1") = "8"
    & skf18("1","9","9","7","5","5","1") = "8"
    & skf18("1","9","9","7","5","6","1") = "8"
    & skf18("1","9","9","7","5","7","1") = "8"
    & skf18("1","9","9","7","5","8","1") = "8"
    & skf18("1","9","9","7","5","9","1") = "8"
    & skf18("1","9","9","7","5","10","1") = "9"
    & skf18("1","9","9","7","6","1","1") = "8"
    & skf18("1","9","9","7","6","2","1") = "8"
    & skf18("1","9","9","7","6","3","1") = "8"
    & skf18("1","9","9","7","6","4","1") = "8"
    & skf18("1","9","9","7","6","5","1") = "8"
    & skf18("1","9","9","7","6","6","1") = "8"
    & skf18("1","9","9","7","6","7","1") = "8"
    & skf18("1","9","9","7","6","8","1") = "8"
    & skf18("1","9","9","7","6","9","1") = "8"
    & skf18("1","9","9","7","6","10","1") = "9"
    & skf18("1","9","9","7","7","1","1") = "8"
    & skf18("1","9","9","7","7","2","1") = "8"
    & skf18("1","9","9","7","7","3","1") = "8"
    & skf18("1","9","9","7","7","4","1") = "8"
    & skf18("1","9","9","7","7","5","1") = "8"
    & skf18("1","9","9","7","7","6","1") = "8"
    & skf18("1","9","9","7","7","7","1") = "8"
    & skf18("1","9","9","7","7","8","1") = "8"
    & skf18("1","9","9","7","7","9","1") = "8"
    & skf18("1","9","9","7","7","10","1") = "9"
    & skf18("1","9","9","7","8","1","1") = "8"
    & skf18("1","9","9","7","8","2","1") = "8"
    & skf18("1","9","9","7","8","3","1") = "8"
    & skf18("1","9","9","7","8","4","1") = "8"
    & skf18("1","9","9","7","8","5","1") = "8"
    & skf18("1","9","9","7","8","6","1") = "8"
    & skf18("1","9","9","7","8","7","1") = "8"
    & skf18("1","9","9","7","8","8","1") = "8"
    & skf18("1","9","9","7","8","9","1") = "8"
    & skf18("1","9","9","7","8","10","1") = "9"
    & skf18("1","9","9","7","9","1","1") = "8"
    & skf18("1","9","9","7","9","2","1") = "8"
    & skf18("1","9","9","7","9","3","1") = "8"
    & skf18("1","9","9","7","9","4","1") = "8"
    & skf18("1","9","9","7","9","5","1") = "8"
    & skf18("1","9","9","7","9","6","1") = "8"
    & skf18("1","9","9","7","9","7","1") = "8"
    & skf18("1","9","9","7","9","8","1") = "8"
    & skf18("1","9","9","7","9","9","1") = "8"
    & skf18("1","9","9","7","9","10","1") = "9"
    & skf18("1","9","9","7","10","1","1") = "9"
    & skf18("1","9","9","7","10","2","1") = "9"
    & skf18("1","9","9","7","10","3","1") = "9"
    & skf18("1","9","9","7","10","4","1") = "9"
    & skf18("1","9","9","7","10","5","1") = "9"
    & skf18("1","9","9","7","10","6","1") = "9"
    & skf18("1","9","9","7","10","7","1") = "9"
    & skf18("1","9","9","7","10","8","1") = "9"
    & skf18("1","9","9","7","10","9","1") = "9"
    & skf18("1","9","9","7","10","10","1") = "9"
    & skf18("1","9","9","8","1","1","1") = "8"
    & skf18("1","9","9","8","1","2","1") = "8"
    & skf18("1","9","9","8","1","3","1") = "8"
    & skf18("1","9","9","8","1","4","1") = "8"
    & skf18("1","9","9","8","1","5","1") = "8"
    & skf18("1","9","9","8","1","6","1") = "8"
    & skf18("1","9","9","8","1","7","1") = "8"
    & skf18("1","9","9","8","1","8","1") = "8"
    & skf18("1","9","9","8","1","9","1") = "8"
    & skf18("1","9","9","8","1","10","1") = "9"
    & skf18("1","9","9","8","2","1","1") = "8"
    & skf18("1","9","9","8","2","2","1") = "8"
    & skf18("1","9","9","8","2","3","1") = "8"
    & skf18("1","9","9","8","2","4","1") = "8"
    & skf18("1","9","9","8","2","5","1") = "8"
    & skf18("1","9","9","8","2","6","1") = "8"
    & skf18("1","9","9","8","2","7","1") = "8"
    & skf18("1","9","9","8","2","8","1") = "8"
    & skf18("1","9","9","8","2","9","1") = "8"
    & skf18("1","9","9","8","2","10","1") = "9"
    & skf18("1","9","9","8","3","1","1") = "8"
    & skf18("1","9","9","8","3","2","1") = "8"
    & skf18("1","9","9","8","3","3","1") = "8"
    & skf18("1","9","9","8","3","4","1") = "8"
    & skf18("1","9","9","8","3","5","1") = "8"
    & skf18("1","9","9","8","3","6","1") = "8"
    & skf18("1","9","9","8","3","7","1") = "8"
    & skf18("1","9","9","8","3","8","1") = "8"
    & skf18("1","9","9","8","3","9","1") = "8"
    & skf18("1","9","9","8","3","10","1") = "9"
    & skf18("1","9","9","8","4","1","1") = "8"
    & skf18("1","9","9","8","4","2","1") = "8"
    & skf18("1","9","9","8","4","3","1") = "8"
    & skf18("1","9","9","8","4","4","1") = "8"
    & skf18("1","9","9","8","4","5","1") = "8"
    & skf18("1","9","9","8","4","6","1") = "8"
    & skf18("1","9","9","8","4","7","1") = "8"
    & skf18("1","9","9","8","4","8","1") = "8"
    & skf18("1","9","9","8","4","9","1") = "8"
    & skf18("1","9","9","8","4","10","1") = "9"
    & skf18("1","9","9","8","5","1","1") = "8"
    & skf18("1","9","9","8","5","2","1") = "8"
    & skf18("1","9","9","8","5","3","1") = "8"
    & skf18("1","9","9","8","5","4","1") = "8"
    & skf18("1","9","9","8","5","5","1") = "8"
    & skf18("1","9","9","8","5","6","1") = "8"
    & skf18("1","9","9","8","5","7","1") = "8"
    & skf18("1","9","9","8","5","8","1") = "8"
    & skf18("1","9","9","8","5","9","1") = "8"
    & skf18("1","9","9","8","5","10","1") = "9"
    & skf18("1","9","9","8","6","1","1") = "8"
    & skf18("1","9","9","8","6","2","1") = "8"
    & skf18("1","9","9","8","6","3","1") = "8"
    & skf18("1","9","9","8","6","4","1") = "8"
    & skf18("1","9","9","8","6","5","1") = "8"
    & skf18("1","9","9","8","6","6","1") = "8"
    & skf18("1","9","9","8","6","7","1") = "8"
    & skf18("1","9","9","8","6","8","1") = "8"
    & skf18("1","9","9","8","6","9","1") = "8"
    & skf18("1","9","9","8","6","10","1") = "9"
    & skf18("1","9","9","8","7","1","1") = "8"
    & skf18("1","9","9","8","7","2","1") = "8"
    & skf18("1","9","9","8","7","3","1") = "8"
    & skf18("1","9","9","8","7","4","1") = "8"
    & skf18("1","9","9","8","7","5","1") = "8"
    & skf18("1","9","9","8","7","6","1") = "8"
    & skf18("1","9","9","8","7","7","1") = "8"
    & skf18("1","9","9","8","7","8","1") = "8"
    & skf18("1","9","9","8","7","9","1") = "8"
    & skf18("1","9","9","8","7","10","1") = "9"
    & skf18("1","9","9","8","8","1","1") = "8"
    & skf18("1","9","9","8","8","2","1") = "8"
    & skf18("1","9","9","8","8","3","1") = "8"
    & skf18("1","9","9","8","8","4","1") = "8"
    & skf18("1","9","9","8","8","5","1") = "8"
    & skf18("1","9","9","8","8","6","1") = "8"
    & skf18("1","9","9","8","8","7","1") = "8"
    & skf18("1","9","9","8","8","8","1") = "8"
    & skf18("1","9","9","8","8","9","1") = "8"
    & skf18("1","9","9","8","8","10","1") = "9"
    & skf18("1","9","9","8","9","1","1") = "8"
    & skf18("1","9","9","8","9","2","1") = "8"
    & skf18("1","9","9","8","9","3","1") = "8"
    & skf18("1","9","9","8","9","4","1") = "8"
    & skf18("1","9","9","8","9","5","1") = "8"
    & skf18("1","9","9","8","9","6","1") = "8"
    & skf18("1","9","9","8","9","7","1") = "8"
    & skf18("1","9","9","8","9","8","1") = "8"
    & skf18("1","9","9","8","9","9","1") = "8"
    & skf18("1","9","9","8","9","10","1") = "9"
    & skf18("1","9","9","8","10","1","1") = "9"
    & skf18("1","9","9","8","10","2","1") = "9"
    & skf18("1","9","9","8","10","3","1") = "9"
    & skf18("1","9","9","8","10","4","1") = "9"
    & skf18("1","9","9","8","10","5","1") = "9"
    & skf18("1","9","9","8","10","6","1") = "9"
    & skf18("1","9","9","8","10","7","1") = "9"
    & skf18("1","9","9","8","10","8","1") = "9"
    & skf18("1","9","9","8","10","9","1") = "9"
    & skf18("1","9","9","8","10","10","1") = "9"
    & skf18("1","9","9","9","1","1","1") = "8"
    & skf18("1","9","9","9","1","2","1") = "8"
    & skf18("1","9","9","9","1","3","1") = "8"
    & skf18("1","9","9","9","1","4","1") = "8"
    & skf18("1","9","9","9","1","5","1") = "8"
    & skf18("1","9","9","9","1","6","1") = "8"
    & skf18("1","9","9","9","1","7","1") = "8"
    & skf18("1","9","9","9","1","8","1") = "8"
    & skf18("1","9","9","9","1","9","1") = "8"
    & skf18("1","9","9","9","1","10","1") = "9"
    & skf18("1","9","9","9","2","1","1") = "8"
    & skf18("1","9","9","9","2","2","1") = "8"
    & skf18("1","9","9","9","2","3","1") = "8"
    & skf18("1","9","9","9","2","4","1") = "8"
    & skf18("1","9","9","9","2","5","1") = "8"
    & skf18("1","9","9","9","2","6","1") = "8"
    & skf18("1","9","9","9","2","7","1") = "8"
    & skf18("1","9","9","9","2","8","1") = "8"
    & skf18("1","9","9","9","2","9","1") = "8"
    & skf18("1","9","9","9","2","10","1") = "9"
    & skf18("1","9","9","9","3","1","1") = "8"
    & skf18("1","9","9","9","3","2","1") = "8"
    & skf18("1","9","9","9","3","3","1") = "8"
    & skf18("1","9","9","9","3","4","1") = "8"
    & skf18("1","9","9","9","3","5","1") = "8"
    & skf18("1","9","9","9","3","6","1") = "8"
    & skf18("1","9","9","9","3","7","1") = "8"
    & skf18("1","9","9","9","3","8","1") = "8"
    & skf18("1","9","9","9","3","9","1") = "8"
    & skf18("1","9","9","9","3","10","1") = "9"
    & skf18("1","9","9","9","4","1","1") = "8"
    & skf18("1","9","9","9","4","2","1") = "8"
    & skf18("1","9","9","9","4","3","1") = "8"
    & skf18("1","9","9","9","4","4","1") = "8"
    & skf18("1","9","9","9","4","5","1") = "8"
    & skf18("1","9","9","9","4","6","1") = "8"
    & skf18("1","9","9","9","4","7","1") = "8"
    & skf18("1","9","9","9","4","8","1") = "8"
    & skf18("1","9","9","9","4","9","1") = "8"
    & skf18("1","9","9","9","4","10","1") = "9"
    & skf18("1","9","9","9","5","1","1") = "8"
    & skf18("1","9","9","9","5","2","1") = "8"
    & skf18("1","9","9","9","5","3","1") = "8"
    & skf18("1","9","9","9","5","4","1") = "8"
    & skf18("1","9","9","9","5","5","1") = "8"
    & skf18("1","9","9","9","5","6","1") = "8"
    & skf18("1","9","9","9","5","7","1") = "8"
    & skf18("1","9","9","9","5","8","1") = "8"
    & skf18("1","9","9","9","5","9","1") = "8"
    & skf18("1","9","9","9","5","10","1") = "9"
    & skf18("1","9","9","9","6","1","1") = "8"
    & skf18("1","9","9","9","6","2","1") = "8"
    & skf18("1","9","9","9","6","3","1") = "8"
    & skf18("1","9","9","9","6","4","1") = "8"
    & skf18("1","9","9","9","6","5","1") = "8"
    & skf18("1","9","9","9","6","6","1") = "8"
    & skf18("1","9","9","9","6","7","1") = "8"
    & skf18("1","9","9","9","6","8","1") = "8"
    & skf18("1","9","9","9","6","9","1") = "8"
    & skf18("1","9","9","9","6","10","1") = "9"
    & skf18("1","9","9","9","7","1","1") = "8"
    & skf18("1","9","9","9","7","2","1") = "8"
    & skf18("1","9","9","9","7","3","1") = "8"
    & skf18("1","9","9","9","7","4","1") = "8"
    & skf18("1","9","9","9","7","5","1") = "8"
    & skf18("1","9","9","9","7","6","1") = "8"
    & skf18("1","9","9","9","7","7","1") = "8"
    & skf18("1","9","9","9","7","8","1") = "8"
    & skf18("1","9","9","9","7","9","1") = "8"
    & skf18("1","9","9","9","7","10","1") = "9"
    & skf18("1","9","9","9","8","1","1") = "8"
    & skf18("1","9","9","9","8","2","1") = "8"
    & skf18("1","9","9","9","8","3","1") = "8"
    & skf18("1","9","9","9","8","4","1") = "8"
    & skf18("1","9","9","9","8","5","1") = "8"
    & skf18("1","9","9","9","8","6","1") = "8"
    & skf18("1","9","9","9","8","7","1") = "8"
    & skf18("1","9","9","9","8","8","1") = "8"
    & skf18("1","9","9","9","8","9","1") = "8"
    & skf18("1","9","9","9","8","10","1") = "9"
    & skf18("1","9","9","9","9","1","1") = "8"
    & skf18("1","9","9","9","9","2","1") = "8"
    & skf18("1","9","9","9","9","3","1") = "8"
    & skf18("1","9","9","9","9","4","1") = "8"
    & skf18("1","9","9","9","9","5","1") = "8"
    & skf18("1","9","9","9","9","6","1") = "8"
    & skf18("1","9","9","9","9","7","1") = "8"
    & skf18("1","9","9","9","9","8","1") = "8"
    & skf18("1","9","9","9","9","9","1") = "8"
    & skf18("1","9","9","9","9","10","1") = "9"
    & skf18("1","9","9","9","10","1","1") = "9"
    & skf18("1","9","9","9","10","2","1") = "9"
    & skf18("1","9","9","9","10","3","1") = "9"
    & skf18("1","9","9","9","10","4","1") = "9"
    & skf18("1","9","9","9","10","5","1") = "9"
    & skf18("1","9","9","9","10","6","1") = "9"
    & skf18("1","9","9","9","10","7","1") = "9"
    & skf18("1","9","9","9","10","8","1") = "9"
    & skf18("1","9","9","9","10","9","1") = "9"
    & skf18("1","9","9","9","10","10","1") = "9"
    & skf18("1","9","9","10","1","1","1") = "9"
    & skf18("1","9","9","10","1","2","1") = "9"
    & skf18("1","9","9","10","1","3","1") = "9"
    & skf18("1","9","9","10","1","4","1") = "9"
    & skf18("1","9","9","10","1","5","1") = "9"
    & skf18("1","9","9","10","1","6","1") = "9"
    & skf18("1","9","9","10","1","7","1") = "9"
    & skf18("1","9","9","10","1","8","1") = "9"
    & skf18("1","9","9","10","1","9","1") = "9"
    & skf18("1","9","9","10","1","10","1") = "9"
    & skf18("1","9","9","10","2","1","1") = "9"
    & skf18("1","9","9","10","2","2","1") = "9"
    & skf18("1","9","9","10","2","3","1") = "9"
    & skf18("1","9","9","10","2","4","1") = "9"
    & skf18("1","9","9","10","2","5","1") = "9"
    & skf18("1","9","9","10","2","6","1") = "9"
    & skf18("1","9","9","10","2","7","1") = "9"
    & skf18("1","9","9","10","2","8","1") = "9"
    & skf18("1","9","9","10","2","9","1") = "9"
    & skf18("1","9","9","10","2","10","1") = "9"
    & skf18("1","9","9","10","3","1","1") = "9"
    & skf18("1","9","9","10","3","2","1") = "9"
    & skf18("1","9","9","10","3","3","1") = "9"
    & skf18("1","9","9","10","3","4","1") = "9"
    & skf18("1","9","9","10","3","5","1") = "9"
    & skf18("1","9","9","10","3","6","1") = "9"
    & skf18("1","9","9","10","3","7","1") = "9"
    & skf18("1","9","9","10","3","8","1") = "9"
    & skf18("1","9","9","10","3","9","1") = "9"
    & skf18("1","9","9","10","3","10","1") = "9"
    & skf18("1","9","9","10","4","1","1") = "9"
    & skf18("1","9","9","10","4","2","1") = "9"
    & skf18("1","9","9","10","4","3","1") = "9"
    & skf18("1","9","9","10","4","4","1") = "9"
    & skf18("1","9","9","10","4","5","1") = "9"
    & skf18("1","9","9","10","4","6","1") = "9"
    & skf18("1","9","9","10","4","7","1") = "9"
    & skf18("1","9","9","10","4","8","1") = "9"
    & skf18("1","9","9","10","4","9","1") = "9"
    & skf18("1","9","9","10","4","10","1") = "9"
    & skf18("1","9","9","10","5","1","1") = "9"
    & skf18("1","9","9","10","5","2","1") = "9"
    & skf18("1","9","9","10","5","3","1") = "9"
    & skf18("1","9","9","10","5","4","1") = "9"
    & skf18("1","9","9","10","5","5","1") = "9"
    & skf18("1","9","9","10","5","6","1") = "9"
    & skf18("1","9","9","10","5","7","1") = "9"
    & skf18("1","9","9","10","5","8","1") = "9"
    & skf18("1","9","9","10","5","9","1") = "9"
    & skf18("1","9","9","10","5","10","1") = "9"
    & skf18("1","9","9","10","6","1","1") = "9"
    & skf18("1","9","9","10","6","2","1") = "9"
    & skf18("1","9","9","10","6","3","1") = "9"
    & skf18("1","9","9","10","6","4","1") = "9"
    & skf18("1","9","9","10","6","5","1") = "9"
    & skf18("1","9","9","10","6","6","1") = "9"
    & skf18("1","9","9","10","6","7","1") = "9"
    & skf18("1","9","9","10","6","8","1") = "9"
    & skf18("1","9","9","10","6","9","1") = "9"
    & skf18("1","9","9","10","6","10","1") = "9"
    & skf18("1","9","9","10","7","1","1") = "9"
    & skf18("1","9","9","10","7","2","1") = "9"
    & skf18("1","9","9","10","7","3","1") = "9"
    & skf18("1","9","9","10","7","4","1") = "9"
    & skf18("1","9","9","10","7","5","1") = "9"
    & skf18("1","9","9","10","7","6","1") = "9"
    & skf18("1","9","9","10","7","7","1") = "9"
    & skf18("1","9","9","10","7","8","1") = "9"
    & skf18("1","9","9","10","7","9","1") = "9"
    & skf18("1","9","9","10","7","10","1") = "9"
    & skf18("1","9","9","10","8","1","1") = "9"
    & skf18("1","9","9","10","8","2","1") = "9"
    & skf18("1","9","9","10","8","3","1") = "9"
    & skf18("1","9","9","10","8","4","1") = "9"
    & skf18("1","9","9","10","8","5","1") = "9"
    & skf18("1","9","9","10","8","6","1") = "9"
    & skf18("1","9","9","10","8","7","1") = "9"
    & skf18("1","9","9","10","8","8","1") = "9"
    & skf18("1","9","9","10","8","9","1") = "9"
    & skf18("1","9","9","10","8","10","1") = "9"
    & skf18("1","9","9","10","9","1","1") = "9"
    & skf18("1","9","9","10","9","2","1") = "9"
    & skf18("1","9","9","10","9","3","1") = "9"
    & skf18("1","9","9","10","9","4","1") = "9"
    & skf18("1","9","9","10","9","5","1") = "9"
    & skf18("1","9","9","10","9","6","1") = "9"
    & skf18("1","9","9","10","9","7","1") = "9"
    & skf18("1","9","9","10","9","8","1") = "9"
    & skf18("1","9","9","10","9","9","1") = "9"
    & skf18("1","9","9","10","9","10","1") = "9"
    & skf18("1","9","9","10","10","1","1") = "9"
    & skf18("1","9","9","10","10","2","1") = "9"
    & skf18("1","9","9","10","10","3","1") = "9"
    & skf18("1","9","9","10","10","4","1") = "9"
    & skf18("1","9","9","10","10","5","1") = "9"
    & skf18("1","9","9","10","10","6","1") = "9"
    & skf18("1","9","9","10","10","7","1") = "9"
    & skf18("1","9","9","10","10","8","1") = "9"
    & skf18("1","9","9","10","10","9","1") = "9"
    & skf18("1","9","9","10","10","10","1") = "9"
    & skf18("1","9","10","1","1","1","1") = "9"
    & skf18("1","9","10","1","1","2","1") = "9"
    & skf18("1","9","10","1","1","3","1") = "9"
    & skf18("1","9","10","1","1","4","1") = "9"
    & skf18("1","9","10","1","1","5","1") = "9"
    & skf18("1","9","10","1","1","6","1") = "9"
    & skf18("1","9","10","1","1","7","1") = "9"
    & skf18("1","9","10","1","1","8","1") = "9"
    & skf18("1","9","10","1","1","9","1") = "9"
    & skf18("1","9","10","1","1","10","1") = "9"
    & skf18("1","9","10","1","2","1","1") = "9"
    & skf18("1","9","10","1","2","2","1") = "9"
    & skf18("1","9","10","1","2","3","1") = "9"
    & skf18("1","9","10","1","2","4","1") = "9"
    & skf18("1","9","10","1","2","5","1") = "9"
    & skf18("1","9","10","1","2","6","1") = "9"
    & skf18("1","9","10","1","2","7","1") = "9"
    & skf18("1","9","10","1","2","8","1") = "9"
    & skf18("1","9","10","1","2","9","1") = "9"
    & skf18("1","9","10","1","2","10","1") = "9"
    & skf18("1","9","10","1","3","1","1") = "9"
    & skf18("1","9","10","1","3","2","1") = "9"
    & skf18("1","9","10","1","3","3","1") = "9"
    & skf18("1","9","10","1","3","4","1") = "9"
    & skf18("1","9","10","1","3","5","1") = "9"
    & skf18("1","9","10","1","3","6","1") = "9"
    & skf18("1","9","10","1","3","7","1") = "9"
    & skf18("1","9","10","1","3","8","1") = "9"
    & skf18("1","9","10","1","3","9","1") = "9"
    & skf18("1","9","10","1","3","10","1") = "9"
    & skf18("1","9","10","1","4","1","1") = "9"
    & skf18("1","9","10","1","4","2","1") = "9"
    & skf18("1","9","10","1","4","3","1") = "9"
    & skf18("1","9","10","1","4","4","1") = "9"
    & skf18("1","9","10","1","4","5","1") = "9"
    & skf18("1","9","10","1","4","6","1") = "9"
    & skf18("1","9","10","1","4","7","1") = "9"
    & skf18("1","9","10","1","4","8","1") = "9"
    & skf18("1","9","10","1","4","9","1") = "9"
    & skf18("1","9","10","1","4","10","1") = "9"
    & skf18("1","9","10","1","5","1","1") = "9"
    & skf18("1","9","10","1","5","2","1") = "9"
    & skf18("1","9","10","1","5","3","1") = "9"
    & skf18("1","9","10","1","5","4","1") = "9"
    & skf18("1","9","10","1","5","5","1") = "9"
    & skf18("1","9","10","1","5","6","1") = "9"
    & skf18("1","9","10","1","5","7","1") = "9"
    & skf18("1","9","10","1","5","8","1") = "9"
    & skf18("1","9","10","1","5","9","1") = "9"
    & skf18("1","9","10","1","5","10","1") = "9"
    & skf18("1","9","10","1","6","1","1") = "9"
    & skf18("1","9","10","1","6","2","1") = "9"
    & skf18("1","9","10","1","6","3","1") = "9"
    & skf18("1","9","10","1","6","4","1") = "9"
    & skf18("1","9","10","1","6","5","1") = "9"
    & skf18("1","9","10","1","6","6","1") = "9"
    & skf18("1","9","10","1","6","7","1") = "9"
    & skf18("1","9","10","1","6","8","1") = "9"
    & skf18("1","9","10","1","6","9","1") = "9"
    & skf18("1","9","10","1","6","10","1") = "9"
    & skf18("1","9","10","1","7","1","1") = "9"
    & skf18("1","9","10","1","7","2","1") = "9"
    & skf18("1","9","10","1","7","3","1") = "9"
    & skf18("1","9","10","1","7","4","1") = "9"
    & skf18("1","9","10","1","7","5","1") = "9"
    & skf18("1","9","10","1","7","6","1") = "9"
    & skf18("1","9","10","1","7","7","1") = "9"
    & skf18("1","9","10","1","7","8","1") = "9"
    & skf18("1","9","10","1","7","9","1") = "9"
    & skf18("1","9","10","1","7","10","1") = "9"
    & skf18("1","9","10","1","8","1","1") = "9"
    & skf18("1","9","10","1","8","2","1") = "9"
    & skf18("1","9","10","1","8","3","1") = "9"
    & skf18("1","9","10","1","8","4","1") = "9"
    & skf18("1","9","10","1","8","5","1") = "9"
    & skf18("1","9","10","1","8","6","1") = "9"
    & skf18("1","9","10","1","8","7","1") = "9"
    & skf18("1","9","10","1","8","8","1") = "9"
    & skf18("1","9","10","1","8","9","1") = "9"
    & skf18("1","9","10","1","8","10","1") = "9"
    & skf18("1","9","10","1","9","1","1") = "9"
    & skf18("1","9","10","1","9","2","1") = "9"
    & skf18("1","9","10","1","9","3","1") = "9"
    & skf18("1","9","10","1","9","4","1") = "9"
    & skf18("1","9","10","1","9","5","1") = "9"
    & skf18("1","9","10","1","9","6","1") = "9"
    & skf18("1","9","10","1","9","7","1") = "9"
    & skf18("1","9","10","1","9","8","1") = "9"
    & skf18("1","9","10","1","9","9","1") = "9"
    & skf18("1","9","10","1","9","10","1") = "9"
    & skf18("1","9","10","1","10","1","1") = "9"
    & skf18("1","9","10","1","10","2","1") = "9"
    & skf18("1","9","10","1","10","3","1") = "9"
    & skf18("1","9","10","1","10","4","1") = "9"
    & skf18("1","9","10","1","10","5","1") = "9"
    & skf18("1","9","10","1","10","6","1") = "9"
    & skf18("1","9","10","1","10","7","1") = "9"
    & skf18("1","9","10","1","10","8","1") = "9"
    & skf18("1","9","10","1","10","9","1") = "9"
    & skf18("1","9","10","1","10","10","1") = "9"
    & skf18("1","9","10","2","1","1","1") = "9"
    & skf18("1","9","10","2","1","2","1") = "9"
    & skf18("1","9","10","2","1","3","1") = "9"
    & skf18("1","9","10","2","1","4","1") = "9"
    & skf18("1","9","10","2","1","5","1") = "9"
    & skf18("1","9","10","2","1","6","1") = "9"
    & skf18("1","9","10","2","1","7","1") = "9"
    & skf18("1","9","10","2","1","8","1") = "9"
    & skf18("1","9","10","2","1","9","1") = "9"
    & skf18("1","9","10","2","1","10","1") = "9"
    & skf18("1","9","10","2","2","1","1") = "9"
    & skf18("1","9","10","2","2","2","1") = "9"
    & skf18("1","9","10","2","2","3","1") = "9"
    & skf18("1","9","10","2","2","4","1") = "9"
    & skf18("1","9","10","2","2","5","1") = "9"
    & skf18("1","9","10","2","2","6","1") = "9"
    & skf18("1","9","10","2","2","7","1") = "9"
    & skf18("1","9","10","2","2","8","1") = "9"
    & skf18("1","9","10","2","2","9","1") = "9"
    & skf18("1","9","10","2","2","10","1") = "9"
    & skf18("1","9","10","2","3","1","1") = "9"
    & skf18("1","9","10","2","3","2","1") = "9"
    & skf18("1","9","10","2","3","3","1") = "9"
    & skf18("1","9","10","2","3","4","1") = "9"
    & skf18("1","9","10","2","3","5","1") = "9"
    & skf18("1","9","10","2","3","6","1") = "9"
    & skf18("1","9","10","2","3","7","1") = "9"
    & skf18("1","9","10","2","3","8","1") = "9"
    & skf18("1","9","10","2","3","9","1") = "9"
    & skf18("1","9","10","2","3","10","1") = "9"
    & skf18("1","9","10","2","4","1","1") = "9"
    & skf18("1","9","10","2","4","2","1") = "9"
    & skf18("1","9","10","2","4","3","1") = "9"
    & skf18("1","9","10","2","4","4","1") = "9"
    & skf18("1","9","10","2","4","5","1") = "9"
    & skf18("1","9","10","2","4","6","1") = "9"
    & skf18("1","9","10","2","4","7","1") = "9"
    & skf18("1","9","10","2","4","8","1") = "9"
    & skf18("1","9","10","2","4","9","1") = "9"
    & skf18("1","9","10","2","4","10","1") = "9"
    & skf18("1","9","10","2","5","1","1") = "9"
    & skf18("1","9","10","2","5","2","1") = "9"
    & skf18("1","9","10","2","5","3","1") = "9"
    & skf18("1","9","10","2","5","4","1") = "9"
    & skf18("1","9","10","2","5","5","1") = "9"
    & skf18("1","9","10","2","5","6","1") = "9"
    & skf18("1","9","10","2","5","7","1") = "9"
    & skf18("1","9","10","2","5","8","1") = "9"
    & skf18("1","9","10","2","5","9","1") = "9"
    & skf18("1","9","10","2","5","10","1") = "9"
    & skf18("1","9","10","2","6","1","1") = "9"
    & skf18("1","9","10","2","6","2","1") = "9"
    & skf18("1","9","10","2","6","3","1") = "9"
    & skf18("1","9","10","2","6","4","1") = "9"
    & skf18("1","9","10","2","6","5","1") = "9"
    & skf18("1","9","10","2","6","6","1") = "9"
    & skf18("1","9","10","2","6","7","1") = "9"
    & skf18("1","9","10","2","6","8","1") = "9"
    & skf18("1","9","10","2","6","9","1") = "9"
    & skf18("1","9","10","2","6","10","1") = "9"
    & skf18("1","9","10","2","7","1","1") = "9"
    & skf18("1","9","10","2","7","2","1") = "9"
    & skf18("1","9","10","2","7","3","1") = "9"
    & skf18("1","9","10","2","7","4","1") = "9"
    & skf18("1","9","10","2","7","5","1") = "9"
    & skf18("1","9","10","2","7","6","1") = "9"
    & skf18("1","9","10","2","7","7","1") = "9"
    & skf18("1","9","10","2","7","8","1") = "9"
    & skf18("1","9","10","2","7","9","1") = "9"
    & skf18("1","9","10","2","7","10","1") = "9"
    & skf18("1","9","10","2","8","1","1") = "9"
    & skf18("1","9","10","2","8","2","1") = "9"
    & skf18("1","9","10","2","8","3","1") = "9"
    & skf18("1","9","10","2","8","4","1") = "9"
    & skf18("1","9","10","2","8","5","1") = "9"
    & skf18("1","9","10","2","8","6","1") = "9"
    & skf18("1","9","10","2","8","7","1") = "9"
    & skf18("1","9","10","2","8","8","1") = "9"
    & skf18("1","9","10","2","8","9","1") = "9"
    & skf18("1","9","10","2","8","10","1") = "9"
    & skf18("1","9","10","2","9","1","1") = "9"
    & skf18("1","9","10","2","9","2","1") = "9"
    & skf18("1","9","10","2","9","3","1") = "9"
    & skf18("1","9","10","2","9","4","1") = "9"
    & skf18("1","9","10","2","9","5","1") = "9"
    & skf18("1","9","10","2","9","6","1") = "9"
    & skf18("1","9","10","2","9","7","1") = "9"
    & skf18("1","9","10","2","9","8","1") = "9"
    & skf18("1","9","10","2","9","9","1") = "9"
    & skf18("1","9","10","2","9","10","1") = "9"
    & skf18("1","9","10","2","10","1","1") = "9"
    & skf18("1","9","10","2","10","2","1") = "9"
    & skf18("1","9","10","2","10","3","1") = "9"
    & skf18("1","9","10","2","10","4","1") = "9"
    & skf18("1","9","10","2","10","5","1") = "9"
    & skf18("1","9","10","2","10","6","1") = "9"
    & skf18("1","9","10","2","10","7","1") = "9"
    & skf18("1","9","10","2","10","8","1") = "9"
    & skf18("1","9","10","2","10","9","1") = "9"
    & skf18("1","9","10","2","10","10","1") = "9"
    & skf18("1","9","10","3","1","1","1") = "9"
    & skf18("1","9","10","3","1","2","1") = "9"
    & skf18("1","9","10","3","1","3","1") = "9"
    & skf18("1","9","10","3","1","4","1") = "9"
    & skf18("1","9","10","3","1","5","1") = "9"
    & skf18("1","9","10","3","1","6","1") = "9"
    & skf18("1","9","10","3","1","7","1") = "9"
    & skf18("1","9","10","3","1","8","1") = "9"
    & skf18("1","9","10","3","1","9","1") = "9"
    & skf18("1","9","10","3","1","10","1") = "9"
    & skf18("1","9","10","3","2","1","1") = "9"
    & skf18("1","9","10","3","2","2","1") = "9"
    & skf18("1","9","10","3","2","3","1") = "9"
    & skf18("1","9","10","3","2","4","1") = "9"
    & skf18("1","9","10","3","2","5","1") = "9"
    & skf18("1","9","10","3","2","6","1") = "9"
    & skf18("1","9","10","3","2","7","1") = "9"
    & skf18("1","9","10","3","2","8","1") = "9"
    & skf18("1","9","10","3","2","9","1") = "9"
    & skf18("1","9","10","3","2","10","1") = "9"
    & skf18("1","9","10","3","3","1","1") = "9"
    & skf18("1","9","10","3","3","2","1") = "9"
    & skf18("1","9","10","3","3","3","1") = "9"
    & skf18("1","9","10","3","3","4","1") = "9"
    & skf18("1","9","10","3","3","5","1") = "9"
    & skf18("1","9","10","3","3","6","1") = "9"
    & skf18("1","9","10","3","3","7","1") = "9"
    & skf18("1","9","10","3","3","8","1") = "9"
    & skf18("1","9","10","3","3","9","1") = "9"
    & skf18("1","9","10","3","3","10","1") = "9"
    & skf18("1","9","10","3","4","1","1") = "9"
    & skf18("1","9","10","3","4","2","1") = "9"
    & skf18("1","9","10","3","4","3","1") = "9"
    & skf18("1","9","10","3","4","4","1") = "9"
    & skf18("1","9","10","3","4","5","1") = "9"
    & skf18("1","9","10","3","4","6","1") = "9"
    & skf18("1","9","10","3","4","7","1") = "9"
    & skf18("1","9","10","3","4","8","1") = "9"
    & skf18("1","9","10","3","4","9","1") = "9"
    & skf18("1","9","10","3","4","10","1") = "9"
    & skf18("1","9","10","3","5","1","1") = "9"
    & skf18("1","9","10","3","5","2","1") = "9"
    & skf18("1","9","10","3","5","3","1") = "9"
    & skf18("1","9","10","3","5","4","1") = "9"
    & skf18("1","9","10","3","5","5","1") = "9"
    & skf18("1","9","10","3","5","6","1") = "9"
    & skf18("1","9","10","3","5","7","1") = "9"
    & skf18("1","9","10","3","5","8","1") = "9"
    & skf18("1","9","10","3","5","9","1") = "9"
    & skf18("1","9","10","3","5","10","1") = "9"
    & skf18("1","9","10","3","6","1","1") = "9"
    & skf18("1","9","10","3","6","2","1") = "9"
    & skf18("1","9","10","3","6","3","1") = "9"
    & skf18("1","9","10","3","6","4","1") = "9"
    & skf18("1","9","10","3","6","5","1") = "9"
    & skf18("1","9","10","3","6","6","1") = "9"
    & skf18("1","9","10","3","6","7","1") = "9"
    & skf18("1","9","10","3","6","8","1") = "9"
    & skf18("1","9","10","3","6","9","1") = "9"
    & skf18("1","9","10","3","6","10","1") = "9"
    & skf18("1","9","10","3","7","1","1") = "9"
    & skf18("1","9","10","3","7","2","1") = "9"
    & skf18("1","9","10","3","7","3","1") = "9"
    & skf18("1","9","10","3","7","4","1") = "9"
    & skf18("1","9","10","3","7","5","1") = "9"
    & skf18("1","9","10","3","7","6","1") = "9"
    & skf18("1","9","10","3","7","7","1") = "9"
    & skf18("1","9","10","3","7","8","1") = "9"
    & skf18("1","9","10","3","7","9","1") = "9"
    & skf18("1","9","10","3","7","10","1") = "9"
    & skf18("1","9","10","3","8","1","1") = "9"
    & skf18("1","9","10","3","8","2","1") = "9"
    & skf18("1","9","10","3","8","3","1") = "9"
    & skf18("1","9","10","3","8","4","1") = "9"
    & skf18("1","9","10","3","8","5","1") = "9"
    & skf18("1","9","10","3","8","6","1") = "9"
    & skf18("1","9","10","3","8","7","1") = "9"
    & skf18("1","9","10","3","8","8","1") = "9"
    & skf18("1","9","10","3","8","9","1") = "9"
    & skf18("1","9","10","3","8","10","1") = "9"
    & skf18("1","9","10","3","9","1","1") = "9"
    & skf18("1","9","10","3","9","2","1") = "9"
    & skf18("1","9","10","3","9","3","1") = "9"
    & skf18("1","9","10","3","9","4","1") = "9"
    & skf18("1","9","10","3","9","5","1") = "9"
    & skf18("1","9","10","3","9","6","1") = "9"
    & skf18("1","9","10","3","9","7","1") = "9"
    & skf18("1","9","10","3","9","8","1") = "9"
    & skf18("1","9","10","3","9","9","1") = "9"
    & skf18("1","9","10","3","9","10","1") = "9"
    & skf18("1","9","10","3","10","1","1") = "9"
    & skf18("1","9","10","3","10","2","1") = "9"
    & skf18("1","9","10","3","10","3","1") = "9"
    & skf18("1","9","10","3","10","4","1") = "9"
    & skf18("1","9","10","3","10","5","1") = "9"
    & skf18("1","9","10","3","10","6","1") = "9"
    & skf18("1","9","10","3","10","7","1") = "9"
    & skf18("1","9","10","3","10","8","1") = "9"
    & skf18("1","9","10","3","10","9","1") = "9"
    & skf18("1","9","10","3","10","10","1") = "9"
    & skf18("1","9","10","4","1","1","1") = "9"
    & skf18("1","9","10","4","1","2","1") = "9"
    & skf18("1","9","10","4","1","3","1") = "9"
    & skf18("1","9","10","4","1","4","1") = "9"
    & skf18("1","9","10","4","1","5","1") = "9"
    & skf18("1","9","10","4","1","6","1") = "9"
    & skf18("1","9","10","4","1","7","1") = "9"
    & skf18("1","9","10","4","1","8","1") = "9"
    & skf18("1","9","10","4","1","9","1") = "9"
    & skf18("1","9","10","4","1","10","1") = "9"
    & skf18("1","9","10","4","2","1","1") = "9"
    & skf18("1","9","10","4","2","2","1") = "9"
    & skf18("1","9","10","4","2","3","1") = "9"
    & skf18("1","9","10","4","2","4","1") = "9"
    & skf18("1","9","10","4","2","5","1") = "9"
    & skf18("1","9","10","4","2","6","1") = "9"
    & skf18("1","9","10","4","2","7","1") = "9"
    & skf18("1","9","10","4","2","8","1") = "9"
    & skf18("1","9","10","4","2","9","1") = "9"
    & skf18("1","9","10","4","2","10","1") = "9"
    & skf18("1","9","10","4","3","1","1") = "9"
    & skf18("1","9","10","4","3","2","1") = "9"
    & skf18("1","9","10","4","3","3","1") = "9"
    & skf18("1","9","10","4","3","4","1") = "9"
    & skf18("1","9","10","4","3","5","1") = "9"
    & skf18("1","9","10","4","3","6","1") = "9"
    & skf18("1","9","10","4","3","7","1") = "9"
    & skf18("1","9","10","4","3","8","1") = "9"
    & skf18("1","9","10","4","3","9","1") = "9"
    & skf18("1","9","10","4","3","10","1") = "9"
    & skf18("1","9","10","4","4","1","1") = "9"
    & skf18("1","9","10","4","4","2","1") = "9"
    & skf18("1","9","10","4","4","3","1") = "9"
    & skf18("1","9","10","4","4","4","1") = "9"
    & skf18("1","9","10","4","4","5","1") = "9"
    & skf18("1","9","10","4","4","6","1") = "9"
    & skf18("1","9","10","4","4","7","1") = "9"
    & skf18("1","9","10","4","4","8","1") = "9"
    & skf18("1","9","10","4","4","9","1") = "9"
    & skf18("1","9","10","4","4","10","1") = "9"
    & skf18("1","9","10","4","5","1","1") = "9"
    & skf18("1","9","10","4","5","2","1") = "9"
    & skf18("1","9","10","4","5","3","1") = "9"
    & skf18("1","9","10","4","5","4","1") = "9"
    & skf18("1","9","10","4","5","5","1") = "9"
    & skf18("1","9","10","4","5","6","1") = "9"
    & skf18("1","9","10","4","5","7","1") = "9"
    & skf18("1","9","10","4","5","8","1") = "9"
    & skf18("1","9","10","4","5","9","1") = "9"
    & skf18("1","9","10","4","5","10","1") = "9"
    & skf18("1","9","10","4","6","1","1") = "9"
    & skf18("1","9","10","4","6","2","1") = "9"
    & skf18("1","9","10","4","6","3","1") = "9"
    & skf18("1","9","10","4","6","4","1") = "9"
    & skf18("1","9","10","4","6","5","1") = "9"
    & skf18("1","9","10","4","6","6","1") = "9"
    & skf18("1","9","10","4","6","7","1") = "9"
    & skf18("1","9","10","4","6","8","1") = "9"
    & skf18("1","9","10","4","6","9","1") = "9"
    & skf18("1","9","10","4","6","10","1") = "9"
    & skf18("1","9","10","4","7","1","1") = "9"
    & skf18("1","9","10","4","7","2","1") = "9"
    & skf18("1","9","10","4","7","3","1") = "9"
    & skf18("1","9","10","4","7","4","1") = "9"
    & skf18("1","9","10","4","7","5","1") = "9"
    & skf18("1","9","10","4","7","6","1") = "9"
    & skf18("1","9","10","4","7","7","1") = "9"
    & skf18("1","9","10","4","7","8","1") = "9"
    & skf18("1","9","10","4","7","9","1") = "9"
    & skf18("1","9","10","4","7","10","1") = "9"
    & skf18("1","9","10","4","8","1","1") = "9"
    & skf18("1","9","10","4","8","2","1") = "9"
    & skf18("1","9","10","4","8","3","1") = "9"
    & skf18("1","9","10","4","8","4","1") = "9"
    & skf18("1","9","10","4","8","5","1") = "9"
    & skf18("1","9","10","4","8","6","1") = "9"
    & skf18("1","9","10","4","8","7","1") = "9"
    & skf18("1","9","10","4","8","8","1") = "9"
    & skf18("1","9","10","4","8","9","1") = "9"
    & skf18("1","9","10","4","8","10","1") = "9"
    & skf18("1","9","10","4","9","1","1") = "9"
    & skf18("1","9","10","4","9","2","1") = "9"
    & skf18("1","9","10","4","9","3","1") = "9"
    & skf18("1","9","10","4","9","4","1") = "9"
    & skf18("1","9","10","4","9","5","1") = "9"
    & skf18("1","9","10","4","9","6","1") = "9"
    & skf18("1","9","10","4","9","7","1") = "9"
    & skf18("1","9","10","4","9","8","1") = "9"
    & skf18("1","9","10","4","9","9","1") = "9"
    & skf18("1","9","10","4","9","10","1") = "9"
    & skf18("1","9","10","4","10","1","1") = "9"
    & skf18("1","9","10","4","10","2","1") = "9"
    & skf18("1","9","10","4","10","3","1") = "9"
    & skf18("1","9","10","4","10","4","1") = "9"
    & skf18("1","9","10","4","10","5","1") = "9"
    & skf18("1","9","10","4","10","6","1") = "9"
    & skf18("1","9","10","4","10","7","1") = "9"
    & skf18("1","9","10","4","10","8","1") = "9"
    & skf18("1","9","10","4","10","9","1") = "9"
    & skf18("1","9","10","4","10","10","1") = "9"
    & skf18("1","9","10","5","1","1","1") = "9"
    & skf18("1","9","10","5","1","2","1") = "9"
    & skf18("1","9","10","5","1","3","1") = "9"
    & skf18("1","9","10","5","1","4","1") = "9"
    & skf18("1","9","10","5","1","5","1") = "9"
    & skf18("1","9","10","5","1","6","1") = "9"
    & skf18("1","9","10","5","1","7","1") = "9"
    & skf18("1","9","10","5","1","8","1") = "9"
    & skf18("1","9","10","5","1","9","1") = "9"
    & skf18("1","9","10","5","1","10","1") = "9"
    & skf18("1","9","10","5","2","1","1") = "9"
    & skf18("1","9","10","5","2","2","1") = "9"
    & skf18("1","9","10","5","2","3","1") = "9"
    & skf18("1","9","10","5","2","4","1") = "9"
    & skf18("1","9","10","5","2","5","1") = "9"
    & skf18("1","9","10","5","2","6","1") = "9"
    & skf18("1","9","10","5","2","7","1") = "9"
    & skf18("1","9","10","5","2","8","1") = "9"
    & skf18("1","9","10","5","2","9","1") = "9"
    & skf18("1","9","10","5","2","10","1") = "9"
    & skf18("1","9","10","5","3","1","1") = "9"
    & skf18("1","9","10","5","3","2","1") = "9"
    & skf18("1","9","10","5","3","3","1") = "9"
    & skf18("1","9","10","5","3","4","1") = "9"
    & skf18("1","9","10","5","3","5","1") = "9"
    & skf18("1","9","10","5","3","6","1") = "9"
    & skf18("1","9","10","5","3","7","1") = "9"
    & skf18("1","9","10","5","3","8","1") = "9"
    & skf18("1","9","10","5","3","9","1") = "9"
    & skf18("1","9","10","5","3","10","1") = "9"
    & skf18("1","9","10","5","4","1","1") = "9"
    & skf18("1","9","10","5","4","2","1") = "9"
    & skf18("1","9","10","5","4","3","1") = "9"
    & skf18("1","9","10","5","4","4","1") = "9"
    & skf18("1","9","10","5","4","5","1") = "9"
    & skf18("1","9","10","5","4","6","1") = "9"
    & skf18("1","9","10","5","4","7","1") = "9"
    & skf18("1","9","10","5","4","8","1") = "9"
    & skf18("1","9","10","5","4","9","1") = "9"
    & skf18("1","9","10","5","4","10","1") = "9"
    & skf18("1","9","10","5","5","1","1") = "9"
    & skf18("1","9","10","5","5","2","1") = "9"
    & skf18("1","9","10","5","5","3","1") = "9"
    & skf18("1","9","10","5","5","4","1") = "9"
    & skf18("1","9","10","5","5","5","1") = "9"
    & skf18("1","9","10","5","5","6","1") = "9"
    & skf18("1","9","10","5","5","7","1") = "9"
    & skf18("1","9","10","5","5","8","1") = "9"
    & skf18("1","9","10","5","5","9","1") = "9"
    & skf18("1","9","10","5","5","10","1") = "9"
    & skf18("1","9","10","5","6","1","1") = "9"
    & skf18("1","9","10","5","6","2","1") = "9"
    & skf18("1","9","10","5","6","3","1") = "9"
    & skf18("1","9","10","5","6","4","1") = "9"
    & skf18("1","9","10","5","6","5","1") = "9"
    & skf18("1","9","10","5","6","6","1") = "9"
    & skf18("1","9","10","5","6","7","1") = "9"
    & skf18("1","9","10","5","6","8","1") = "9"
    & skf18("1","9","10","5","6","9","1") = "9"
    & skf18("1","9","10","5","6","10","1") = "9"
    & skf18("1","9","10","5","7","1","1") = "9"
    & skf18("1","9","10","5","7","2","1") = "9"
    & skf18("1","9","10","5","7","3","1") = "9"
    & skf18("1","9","10","5","7","4","1") = "9"
    & skf18("1","9","10","5","7","5","1") = "9"
    & skf18("1","9","10","5","7","6","1") = "9"
    & skf18("1","9","10","5","7","7","1") = "9"
    & skf18("1","9","10","5","7","8","1") = "9"
    & skf18("1","9","10","5","7","9","1") = "9"
    & skf18("1","9","10","5","7","10","1") = "9"
    & skf18("1","9","10","5","8","1","1") = "9"
    & skf18("1","9","10","5","8","2","1") = "9"
    & skf18("1","9","10","5","8","3","1") = "9"
    & skf18("1","9","10","5","8","4","1") = "9"
    & skf18("1","9","10","5","8","5","1") = "9"
    & skf18("1","9","10","5","8","6","1") = "9"
    & skf18("1","9","10","5","8","7","1") = "9"
    & skf18("1","9","10","5","8","8","1") = "9"
    & skf18("1","9","10","5","8","9","1") = "9"
    & skf18("1","9","10","5","8","10","1") = "9"
    & skf18("1","9","10","5","9","1","1") = "9"
    & skf18("1","9","10","5","9","2","1") = "9"
    & skf18("1","9","10","5","9","3","1") = "9"
    & skf18("1","9","10","5","9","4","1") = "9"
    & skf18("1","9","10","5","9","5","1") = "9"
    & skf18("1","9","10","5","9","6","1") = "9"
    & skf18("1","9","10","5","9","7","1") = "9"
    & skf18("1","9","10","5","9","8","1") = "9"
    & skf18("1","9","10","5","9","9","1") = "9"
    & skf18("1","9","10","5","9","10","1") = "9"
    & skf18("1","9","10","5","10","1","1") = "9"
    & skf18("1","9","10","5","10","2","1") = "9"
    & skf18("1","9","10","5","10","3","1") = "9"
    & skf18("1","9","10","5","10","4","1") = "9"
    & skf18("1","9","10","5","10","5","1") = "9"
    & skf18("1","9","10","5","10","6","1") = "9"
    & skf18("1","9","10","5","10","7","1") = "9"
    & skf18("1","9","10","5","10","8","1") = "9"
    & skf18("1","9","10","5","10","9","1") = "9"
    & skf18("1","9","10","5","10","10","1") = "9"
    & skf18("1","9","10","6","1","1","1") = "9"
    & skf18("1","9","10","6","1","2","1") = "9"
    & skf18("1","9","10","6","1","3","1") = "9"
    & skf18("1","9","10","6","1","4","1") = "9"
    & skf18("1","9","10","6","1","5","1") = "9"
    & skf18("1","9","10","6","1","6","1") = "9"
    & skf18("1","9","10","6","1","7","1") = "9"
    & skf18("1","9","10","6","1","8","1") = "9"
    & skf18("1","9","10","6","1","9","1") = "9"
    & skf18("1","9","10","6","1","10","1") = "9"
    & skf18("1","9","10","6","2","1","1") = "9"
    & skf18("1","9","10","6","2","2","1") = "9"
    & skf18("1","9","10","6","2","3","1") = "9"
    & skf18("1","9","10","6","2","4","1") = "9"
    & skf18("1","9","10","6","2","5","1") = "9"
    & skf18("1","9","10","6","2","6","1") = "9"
    & skf18("1","9","10","6","2","7","1") = "9"
    & skf18("1","9","10","6","2","8","1") = "9"
    & skf18("1","9","10","6","2","9","1") = "9"
    & skf18("1","9","10","6","2","10","1") = "9"
    & skf18("1","9","10","6","3","1","1") = "9"
    & skf18("1","9","10","6","3","2","1") = "9"
    & skf18("1","9","10","6","3","3","1") = "9"
    & skf18("1","9","10","6","3","4","1") = "9"
    & skf18("1","9","10","6","3","5","1") = "9"
    & skf18("1","9","10","6","3","6","1") = "9"
    & skf18("1","9","10","6","3","7","1") = "9"
    & skf18("1","9","10","6","3","8","1") = "9"
    & skf18("1","9","10","6","3","9","1") = "9"
    & skf18("1","9","10","6","3","10","1") = "9"
    & skf18("1","9","10","6","4","1","1") = "9"
    & skf18("1","9","10","6","4","2","1") = "9"
    & skf18("1","9","10","6","4","3","1") = "9"
    & skf18("1","9","10","6","4","4","1") = "9"
    & skf18("1","9","10","6","4","5","1") = "9"
    & skf18("1","9","10","6","4","6","1") = "9"
    & skf18("1","9","10","6","4","7","1") = "9"
    & skf18("1","9","10","6","4","8","1") = "9"
    & skf18("1","9","10","6","4","9","1") = "9"
    & skf18("1","9","10","6","4","10","1") = "9"
    & skf18("1","9","10","6","5","1","1") = "9"
    & skf18("1","9","10","6","5","2","1") = "9"
    & skf18("1","9","10","6","5","3","1") = "9"
    & skf18("1","9","10","6","5","4","1") = "9"
    & skf18("1","9","10","6","5","5","1") = "9"
    & skf18("1","9","10","6","5","6","1") = "9"
    & skf18("1","9","10","6","5","7","1") = "9"
    & skf18("1","9","10","6","5","8","1") = "9"
    & skf18("1","9","10","6","5","9","1") = "9"
    & skf18("1","9","10","6","5","10","1") = "9"
    & skf18("1","9","10","6","6","1","1") = "9"
    & skf18("1","9","10","6","6","2","1") = "9"
    & skf18("1","9","10","6","6","3","1") = "9"
    & skf18("1","9","10","6","6","4","1") = "9"
    & skf18("1","9","10","6","6","5","1") = "9"
    & skf18("1","9","10","6","6","6","1") = "9"
    & skf18("1","9","10","6","6","7","1") = "9"
    & skf18("1","9","10","6","6","8","1") = "9"
    & skf18("1","9","10","6","6","9","1") = "9"
    & skf18("1","9","10","6","6","10","1") = "9"
    & skf18("1","9","10","6","7","1","1") = "9"
    & skf18("1","9","10","6","7","2","1") = "9"
    & skf18("1","9","10","6","7","3","1") = "9"
    & skf18("1","9","10","6","7","4","1") = "9"
    & skf18("1","9","10","6","7","5","1") = "9"
    & skf18("1","9","10","6","7","6","1") = "9"
    & skf18("1","9","10","6","7","7","1") = "9"
    & skf18("1","9","10","6","7","8","1") = "9"
    & skf18("1","9","10","6","7","9","1") = "9"
    & skf18("1","9","10","6","7","10","1") = "9"
    & skf18("1","9","10","6","8","1","1") = "9"
    & skf18("1","9","10","6","8","2","1") = "9"
    & skf18("1","9","10","6","8","3","1") = "9"
    & skf18("1","9","10","6","8","4","1") = "9"
    & skf18("1","9","10","6","8","5","1") = "9"
    & skf18("1","9","10","6","8","6","1") = "9"
    & skf18("1","9","10","6","8","7","1") = "9"
    & skf18("1","9","10","6","8","8","1") = "9"
    & skf18("1","9","10","6","8","9","1") = "9"
    & skf18("1","9","10","6","8","10","1") = "9"
    & skf18("1","9","10","6","9","1","1") = "9"
    & skf18("1","9","10","6","9","2","1") = "9"
    & skf18("1","9","10","6","9","3","1") = "9"
    & skf18("1","9","10","6","9","4","1") = "9"
    & skf18("1","9","10","6","9","5","1") = "9"
    & skf18("1","9","10","6","9","6","1") = "9"
    & skf18("1","9","10","6","9","7","1") = "9"
    & skf18("1","9","10","6","9","8","1") = "9"
    & skf18("1","9","10","6","9","9","1") = "9"
    & skf18("1","9","10","6","9","10","1") = "9"
    & skf18("1","9","10","6","10","1","1") = "9"
    & skf18("1","9","10","6","10","2","1") = "9"
    & skf18("1","9","10","6","10","3","1") = "9"
    & skf18("1","9","10","6","10","4","1") = "9"
    & skf18("1","9","10","6","10","5","1") = "9"
    & skf18("1","9","10","6","10","6","1") = "9"
    & skf18("1","9","10","6","10","7","1") = "9"
    & skf18("1","9","10","6","10","8","1") = "9"
    & skf18("1","9","10","6","10","9","1") = "9"
    & skf18("1","9","10","6","10","10","1") = "9"
    & skf18("1","9","10","7","1","1","1") = "9"
    & skf18("1","9","10","7","1","2","1") = "9"
    & skf18("1","9","10","7","1","3","1") = "9"
    & skf18("1","9","10","7","1","4","1") = "9"
    & skf18("1","9","10","7","1","5","1") = "9"
    & skf18("1","9","10","7","1","6","1") = "9"
    & skf18("1","9","10","7","1","7","1") = "9"
    & skf18("1","9","10","7","1","8","1") = "9"
    & skf18("1","9","10","7","1","9","1") = "9"
    & skf18("1","9","10","7","1","10","1") = "9"
    & skf18("1","9","10","7","2","1","1") = "9"
    & skf18("1","9","10","7","2","2","1") = "9"
    & skf18("1","9","10","7","2","3","1") = "9"
    & skf18("1","9","10","7","2","4","1") = "9"
    & skf18("1","9","10","7","2","5","1") = "9"
    & skf18("1","9","10","7","2","6","1") = "9"
    & skf18("1","9","10","7","2","7","1") = "9"
    & skf18("1","9","10","7","2","8","1") = "9"
    & skf18("1","9","10","7","2","9","1") = "9"
    & skf18("1","9","10","7","2","10","1") = "9"
    & skf18("1","9","10","7","3","1","1") = "9"
    & skf18("1","9","10","7","3","2","1") = "9"
    & skf18("1","9","10","7","3","3","1") = "9"
    & skf18("1","9","10","7","3","4","1") = "9"
    & skf18("1","9","10","7","3","5","1") = "9"
    & skf18("1","9","10","7","3","6","1") = "9"
    & skf18("1","9","10","7","3","7","1") = "9"
    & skf18("1","9","10","7","3","8","1") = "9"
    & skf18("1","9","10","7","3","9","1") = "9"
    & skf18("1","9","10","7","3","10","1") = "9"
    & skf18("1","9","10","7","4","1","1") = "9"
    & skf18("1","9","10","7","4","2","1") = "9"
    & skf18("1","9","10","7","4","3","1") = "9"
    & skf18("1","9","10","7","4","4","1") = "9"
    & skf18("1","9","10","7","4","5","1") = "9"
    & skf18("1","9","10","7","4","6","1") = "9"
    & skf18("1","9","10","7","4","7","1") = "9"
    & skf18("1","9","10","7","4","8","1") = "9"
    & skf18("1","9","10","7","4","9","1") = "9"
    & skf18("1","9","10","7","4","10","1") = "9"
    & skf18("1","9","10","7","5","1","1") = "9"
    & skf18("1","9","10","7","5","2","1") = "9"
    & skf18("1","9","10","7","5","3","1") = "9"
    & skf18("1","9","10","7","5","4","1") = "9"
    & skf18("1","9","10","7","5","5","1") = "9"
    & skf18("1","9","10","7","5","6","1") = "9"
    & skf18("1","9","10","7","5","7","1") = "9"
    & skf18("1","9","10","7","5","8","1") = "9"
    & skf18("1","9","10","7","5","9","1") = "9"
    & skf18("1","9","10","7","5","10","1") = "9"
    & skf18("1","9","10","7","6","1","1") = "9"
    & skf18("1","9","10","7","6","2","1") = "9"
    & skf18("1","9","10","7","6","3","1") = "9"
    & skf18("1","9","10","7","6","4","1") = "9"
    & skf18("1","9","10","7","6","5","1") = "9"
    & skf18("1","9","10","7","6","6","1") = "9"
    & skf18("1","9","10","7","6","7","1") = "9"
    & skf18("1","9","10","7","6","8","1") = "9"
    & skf18("1","9","10","7","6","9","1") = "9"
    & skf18("1","9","10","7","6","10","1") = "9"
    & skf18("1","9","10","7","7","1","1") = "9"
    & skf18("1","9","10","7","7","2","1") = "9"
    & skf18("1","9","10","7","7","3","1") = "9"
    & skf18("1","9","10","7","7","4","1") = "9"
    & skf18("1","9","10","7","7","5","1") = "9"
    & skf18("1","9","10","7","7","6","1") = "9"
    & skf18("1","9","10","7","7","7","1") = "9"
    & skf18("1","9","10","7","7","8","1") = "9"
    & skf18("1","9","10","7","7","9","1") = "9"
    & skf18("1","9","10","7","7","10","1") = "9"
    & skf18("1","9","10","7","8","1","1") = "9"
    & skf18("1","9","10","7","8","2","1") = "9"
    & skf18("1","9","10","7","8","3","1") = "9"
    & skf18("1","9","10","7","8","4","1") = "9"
    & skf18("1","9","10","7","8","5","1") = "9"
    & skf18("1","9","10","7","8","6","1") = "9"
    & skf18("1","9","10","7","8","7","1") = "9"
    & skf18("1","9","10","7","8","8","1") = "9"
    & skf18("1","9","10","7","8","9","1") = "9"
    & skf18("1","9","10","7","8","10","1") = "9"
    & skf18("1","9","10","7","9","1","1") = "9"
    & skf18("1","9","10","7","9","2","1") = "9"
    & skf18("1","9","10","7","9","3","1") = "9"
    & skf18("1","9","10","7","9","4","1") = "9"
    & skf18("1","9","10","7","9","5","1") = "9"
    & skf18("1","9","10","7","9","6","1") = "9"
    & skf18("1","9","10","7","9","7","1") = "9"
    & skf18("1","9","10","7","9","8","1") = "9"
    & skf18("1","9","10","7","9","9","1") = "9"
    & skf18("1","9","10","7","9","10","1") = "9"
    & skf18("1","9","10","7","10","1","1") = "9"
    & skf18("1","9","10","7","10","2","1") = "9"
    & skf18("1","9","10","7","10","3","1") = "9"
    & skf18("1","9","10","7","10","4","1") = "9"
    & skf18("1","9","10","7","10","5","1") = "9"
    & skf18("1","9","10","7","10","6","1") = "9"
    & skf18("1","9","10","7","10","7","1") = "9"
    & skf18("1","9","10","7","10","8","1") = "9"
    & skf18("1","9","10","7","10","9","1") = "9"
    & skf18("1","9","10","7","10","10","1") = "9"
    & skf18("1","9","10","8","1","1","1") = "9"
    & skf18("1","9","10","8","1","2","1") = "9"
    & skf18("1","9","10","8","1","3","1") = "9"
    & skf18("1","9","10","8","1","4","1") = "9"
    & skf18("1","9","10","8","1","5","1") = "9"
    & skf18("1","9","10","8","1","6","1") = "9"
    & skf18("1","9","10","8","1","7","1") = "9"
    & skf18("1","9","10","8","1","8","1") = "9"
    & skf18("1","9","10","8","1","9","1") = "9"
    & skf18("1","9","10","8","1","10","1") = "9"
    & skf18("1","9","10","8","2","1","1") = "9"
    & skf18("1","9","10","8","2","2","1") = "9"
    & skf18("1","9","10","8","2","3","1") = "9"
    & skf18("1","9","10","8","2","4","1") = "9"
    & skf18("1","9","10","8","2","5","1") = "9"
    & skf18("1","9","10","8","2","6","1") = "9"
    & skf18("1","9","10","8","2","7","1") = "9"
    & skf18("1","9","10","8","2","8","1") = "9"
    & skf18("1","9","10","8","2","9","1") = "9"
    & skf18("1","9","10","8","2","10","1") = "9"
    & skf18("1","9","10","8","3","1","1") = "9"
    & skf18("1","9","10","8","3","2","1") = "9"
    & skf18("1","9","10","8","3","3","1") = "9"
    & skf18("1","9","10","8","3","4","1") = "9"
    & skf18("1","9","10","8","3","5","1") = "9"
    & skf18("1","9","10","8","3","6","1") = "9"
    & skf18("1","9","10","8","3","7","1") = "9"
    & skf18("1","9","10","8","3","8","1") = "9"
    & skf18("1","9","10","8","3","9","1") = "9"
    & skf18("1","9","10","8","3","10","1") = "9"
    & skf18("1","9","10","8","4","1","1") = "9"
    & skf18("1","9","10","8","4","2","1") = "9"
    & skf18("1","9","10","8","4","3","1") = "9"
    & skf18("1","9","10","8","4","4","1") = "9"
    & skf18("1","9","10","8","4","5","1") = "9"
    & skf18("1","9","10","8","4","6","1") = "9"
    & skf18("1","9","10","8","4","7","1") = "9"
    & skf18("1","9","10","8","4","8","1") = "9"
    & skf18("1","9","10","8","4","9","1") = "9"
    & skf18("1","9","10","8","4","10","1") = "9"
    & skf18("1","9","10","8","5","1","1") = "9"
    & skf18("1","9","10","8","5","2","1") = "9"
    & skf18("1","9","10","8","5","3","1") = "9"
    & skf18("1","9","10","8","5","4","1") = "9"
    & skf18("1","9","10","8","5","5","1") = "9"
    & skf18("1","9","10","8","5","6","1") = "9"
    & skf18("1","9","10","8","5","7","1") = "9"
    & skf18("1","9","10","8","5","8","1") = "9"
    & skf18("1","9","10","8","5","9","1") = "9"
    & skf18("1","9","10","8","5","10","1") = "9"
    & skf18("1","9","10","8","6","1","1") = "9"
    & skf18("1","9","10","8","6","2","1") = "9"
    & skf18("1","9","10","8","6","3","1") = "9"
    & skf18("1","9","10","8","6","4","1") = "9"
    & skf18("1","9","10","8","6","5","1") = "9"
    & skf18("1","9","10","8","6","6","1") = "9"
    & skf18("1","9","10","8","6","7","1") = "9"
    & skf18("1","9","10","8","6","8","1") = "9"
    & skf18("1","9","10","8","6","9","1") = "9"
    & skf18("1","9","10","8","6","10","1") = "9"
    & skf18("1","9","10","8","7","1","1") = "9"
    & skf18("1","9","10","8","7","2","1") = "9"
    & skf18("1","9","10","8","7","3","1") = "9"
    & skf18("1","9","10","8","7","4","1") = "9"
    & skf18("1","9","10","8","7","5","1") = "9"
    & skf18("1","9","10","8","7","6","1") = "9"
    & skf18("1","9","10","8","7","7","1") = "9"
    & skf18("1","9","10","8","7","8","1") = "9"
    & skf18("1","9","10","8","7","9","1") = "9"
    & skf18("1","9","10","8","7","10","1") = "9"
    & skf18("1","9","10","8","8","1","1") = "9"
    & skf18("1","9","10","8","8","2","1") = "9"
    & skf18("1","9","10","8","8","3","1") = "9"
    & skf18("1","9","10","8","8","4","1") = "9"
    & skf18("1","9","10","8","8","5","1") = "9"
    & skf18("1","9","10","8","8","6","1") = "9"
    & skf18("1","9","10","8","8","7","1") = "9"
    & skf18("1","9","10","8","8","8","1") = "9"
    & skf18("1","9","10","8","8","9","1") = "9"
    & skf18("1","9","10","8","8","10","1") = "9"
    & skf18("1","9","10","8","9","1","1") = "9"
    & skf18("1","9","10","8","9","2","1") = "9"
    & skf18("1","9","10","8","9","3","1") = "9"
    & skf18("1","9","10","8","9","4","1") = "9"
    & skf18("1","9","10","8","9","5","1") = "9"
    & skf18("1","9","10","8","9","6","1") = "9"
    & skf18("1","9","10","8","9","7","1") = "9"
    & skf18("1","9","10","8","9","8","1") = "9"
    & skf18("1","9","10","8","9","9","1") = "9"
    & skf18("1","9","10","8","9","10","1") = "9"
    & skf18("1","9","10","8","10","1","1") = "9"
    & skf18("1","9","10","8","10","2","1") = "9"
    & skf18("1","9","10","8","10","3","1") = "9"
    & skf18("1","9","10","8","10","4","1") = "9"
    & skf18("1","9","10","8","10","5","1") = "9"
    & skf18("1","9","10","8","10","6","1") = "9"
    & skf18("1","9","10","8","10","7","1") = "9"
    & skf18("1","9","10","8","10","8","1") = "9"
    & skf18("1","9","10","8","10","9","1") = "9"
    & skf18("1","9","10","8","10","10","1") = "9"
    & skf18("1","9","10","9","1","1","1") = "9"
    & skf18("1","9","10","9","1","2","1") = "9"
    & skf18("1","9","10","9","1","3","1") = "9"
    & skf18("1","9","10","9","1","4","1") = "9"
    & skf18("1","9","10","9","1","5","1") = "9"
    & skf18("1","9","10","9","1","6","1") = "9"
    & skf18("1","9","10","9","1","7","1") = "9"
    & skf18("1","9","10","9","1","8","1") = "9"
    & skf18("1","9","10","9","1","9","1") = "9"
    & skf18("1","9","10","9","1","10","1") = "9"
    & skf18("1","9","10","9","2","1","1") = "9"
    & skf18("1","9","10","9","2","2","1") = "9"
    & skf18("1","9","10","9","2","3","1") = "9"
    & skf18("1","9","10","9","2","4","1") = "9"
    & skf18("1","9","10","9","2","5","1") = "9"
    & skf18("1","9","10","9","2","6","1") = "9"
    & skf18("1","9","10","9","2","7","1") = "9"
    & skf18("1","9","10","9","2","8","1") = "9"
    & skf18("1","9","10","9","2","9","1") = "9"
    & skf18("1","9","10","9","2","10","1") = "9"
    & skf18("1","9","10","9","3","1","1") = "9"
    & skf18("1","9","10","9","3","2","1") = "9"
    & skf18("1","9","10","9","3","3","1") = "9"
    & skf18("1","9","10","9","3","4","1") = "9"
    & skf18("1","9","10","9","3","5","1") = "9"
    & skf18("1","9","10","9","3","6","1") = "9"
    & skf18("1","9","10","9","3","7","1") = "9"
    & skf18("1","9","10","9","3","8","1") = "9"
    & skf18("1","9","10","9","3","9","1") = "9"
    & skf18("1","9","10","9","3","10","1") = "9"
    & skf18("1","9","10","9","4","1","1") = "9"
    & skf18("1","9","10","9","4","2","1") = "9"
    & skf18("1","9","10","9","4","3","1") = "9"
    & skf18("1","9","10","9","4","4","1") = "9"
    & skf18("1","9","10","9","4","5","1") = "9"
    & skf18("1","9","10","9","4","6","1") = "9"
    & skf18("1","9","10","9","4","7","1") = "9"
    & skf18("1","9","10","9","4","8","1") = "9"
    & skf18("1","9","10","9","4","9","1") = "9"
    & skf18("1","9","10","9","4","10","1") = "9"
    & skf18("1","9","10","9","5","1","1") = "9"
    & skf18("1","9","10","9","5","2","1") = "9"
    & skf18("1","9","10","9","5","3","1") = "9"
    & skf18("1","9","10","9","5","4","1") = "9"
    & skf18("1","9","10","9","5","5","1") = "9"
    & skf18("1","9","10","9","5","6","1") = "9"
    & skf18("1","9","10","9","5","7","1") = "9"
    & skf18("1","9","10","9","5","8","1") = "9"
    & skf18("1","9","10","9","5","9","1") = "9"
    & skf18("1","9","10","9","5","10","1") = "9"
    & skf18("1","9","10","9","6","1","1") = "9"
    & skf18("1","9","10","9","6","2","1") = "9"
    & skf18("1","9","10","9","6","3","1") = "9"
    & skf18("1","9","10","9","6","4","1") = "9"
    & skf18("1","9","10","9","6","5","1") = "9"
    & skf18("1","9","10","9","6","6","1") = "9"
    & skf18("1","9","10","9","6","7","1") = "9"
    & skf18("1","9","10","9","6","8","1") = "9"
    & skf18("1","9","10","9","6","9","1") = "9"
    & skf18("1","9","10","9","6","10","1") = "9"
    & skf18("1","9","10","9","7","1","1") = "9"
    & skf18("1","9","10","9","7","2","1") = "9"
    & skf18("1","9","10","9","7","3","1") = "9"
    & skf18("1","9","10","9","7","4","1") = "9"
    & skf18("1","9","10","9","7","5","1") = "9"
    & skf18("1","9","10","9","7","6","1") = "9"
    & skf18("1","9","10","9","7","7","1") = "9"
    & skf18("1","9","10","9","7","8","1") = "9"
    & skf18("1","9","10","9","7","9","1") = "9"
    & skf18("1","9","10","9","7","10","1") = "9"
    & skf18("1","9","10","9","8","1","1") = "9"
    & skf18("1","9","10","9","8","2","1") = "9"
    & skf18("1","9","10","9","8","3","1") = "9"
    & skf18("1","9","10","9","8","4","1") = "9"
    & skf18("1","9","10","9","8","5","1") = "9"
    & skf18("1","9","10","9","8","6","1") = "9"
    & skf18("1","9","10","9","8","7","1") = "9"
    & skf18("1","9","10","9","8","8","1") = "9"
    & skf18("1","9","10","9","8","9","1") = "9"
    & skf18("1","9","10","9","8","10","1") = "9"
    & skf18("1","9","10","9","9","1","1") = "9"
    & skf18("1","9","10","9","9","2","1") = "9"
    & skf18("1","9","10","9","9","3","1") = "9"
    & skf18("1","9","10","9","9","4","1") = "9"
    & skf18("1","9","10","9","9","5","1") = "9"
    & skf18("1","9","10","9","9","6","1") = "9"
    & skf18("1","9","10","9","9","7","1") = "9"
    & skf18("1","9","10","9","9","8","1") = "9"
    & skf18("1","9","10","9","9","9","1") = "9"
    & skf18("1","9","10","9","9","10","1") = "9"
    & skf18("1","9","10","9","10","1","1") = "9"
    & skf18("1","9","10","9","10","2","1") = "9"
    & skf18("1","9","10","9","10","3","1") = "9"
    & skf18("1","9","10","9","10","4","1") = "9"
    & skf18("1","9","10","9","10","5","1") = "9"
    & skf18("1","9","10","9","10","6","1") = "9"
    & skf18("1","9","10","9","10","7","1") = "9"
    & skf18("1","9","10","9","10","8","1") = "9"
    & skf18("1","9","10","9","10","9","1") = "9"
    & skf18("1","9","10","9","10","10","1") = "9"
    & skf18("1","9","10","10","1","1","1") = "9"
    & skf18("1","9","10","10","1","2","1") = "9"
    & skf18("1","9","10","10","1","3","1") = "9"
    & skf18("1","9","10","10","1","4","1") = "9"
    & skf18("1","9","10","10","1","5","1") = "9"
    & skf18("1","9","10","10","1","6","1") = "9"
    & skf18("1","9","10","10","1","7","1") = "9"
    & skf18("1","9","10","10","1","8","1") = "9"
    & skf18("1","9","10","10","1","9","1") = "9"
    & skf18("1","9","10","10","1","10","1") = "9"
    & skf18("1","9","10","10","2","1","1") = "9"
    & skf18("1","9","10","10","2","2","1") = "9"
    & skf18("1","9","10","10","2","3","1") = "9"
    & skf18("1","9","10","10","2","4","1") = "9"
    & skf18("1","9","10","10","2","5","1") = "9"
    & skf18("1","9","10","10","2","6","1") = "9"
    & skf18("1","9","10","10","2","7","1") = "9"
    & skf18("1","9","10","10","2","8","1") = "9"
    & skf18("1","9","10","10","2","9","1") = "9"
    & skf18("1","9","10","10","2","10","1") = "9"
    & skf18("1","9","10","10","3","1","1") = "9"
    & skf18("1","9","10","10","3","2","1") = "9"
    & skf18("1","9","10","10","3","3","1") = "9"
    & skf18("1","9","10","10","3","4","1") = "9"
    & skf18("1","9","10","10","3","5","1") = "9"
    & skf18("1","9","10","10","3","6","1") = "9"
    & skf18("1","9","10","10","3","7","1") = "9"
    & skf18("1","9","10","10","3","8","1") = "9"
    & skf18("1","9","10","10","3","9","1") = "9"
    & skf18("1","9","10","10","3","10","1") = "9"
    & skf18("1","9","10","10","4","1","1") = "9"
    & skf18("1","9","10","10","4","2","1") = "9"
    & skf18("1","9","10","10","4","3","1") = "9"
    & skf18("1","9","10","10","4","4","1") = "9"
    & skf18("1","9","10","10","4","5","1") = "9"
    & skf18("1","9","10","10","4","6","1") = "9"
    & skf18("1","9","10","10","4","7","1") = "9"
    & skf18("1","9","10","10","4","8","1") = "9"
    & skf18("1","9","10","10","4","9","1") = "9"
    & skf18("1","9","10","10","4","10","1") = "9"
    & skf18("1","9","10","10","5","1","1") = "9"
    & skf18("1","9","10","10","5","2","1") = "9"
    & skf18("1","9","10","10","5","3","1") = "9"
    & skf18("1","9","10","10","5","4","1") = "9"
    & skf18("1","9","10","10","5","5","1") = "9"
    & skf18("1","9","10","10","5","6","1") = "9"
    & skf18("1","9","10","10","5","7","1") = "9"
    & skf18("1","9","10","10","5","8","1") = "9"
    & skf18("1","9","10","10","5","9","1") = "9"
    & skf18("1","9","10","10","5","10","1") = "9"
    & skf18("1","9","10","10","6","1","1") = "9"
    & skf18("1","9","10","10","6","2","1") = "9"
    & skf18("1","9","10","10","6","3","1") = "9"
    & skf18("1","9","10","10","6","4","1") = "9"
    & skf18("1","9","10","10","6","5","1") = "9"
    & skf18("1","9","10","10","6","6","1") = "9"
    & skf18("1","9","10","10","6","7","1") = "9"
    & skf18("1","9","10","10","6","8","1") = "9"
    & skf18("1","9","10","10","6","9","1") = "9"
    & skf18("1","9","10","10","6","10","1") = "9"
    & skf18("1","9","10","10","7","1","1") = "9"
    & skf18("1","9","10","10","7","2","1") = "9"
    & skf18("1","9","10","10","7","3","1") = "9"
    & skf18("1","9","10","10","7","4","1") = "9"
    & skf18("1","9","10","10","7","5","1") = "9"
    & skf18("1","9","10","10","7","6","1") = "9"
    & skf18("1","9","10","10","7","7","1") = "9"
    & skf18("1","9","10","10","7","8","1") = "9"
    & skf18("1","9","10","10","7","9","1") = "9"
    & skf18("1","9","10","10","7","10","1") = "9"
    & skf18("1","9","10","10","8","1","1") = "9"
    & skf18("1","9","10","10","8","2","1") = "9"
    & skf18("1","9","10","10","8","3","1") = "9"
    & skf18("1","9","10","10","8","4","1") = "9"
    & skf18("1","9","10","10","8","5","1") = "9"
    & skf18("1","9","10","10","8","6","1") = "9"
    & skf18("1","9","10","10","8","7","1") = "9"
    & skf18("1","9","10","10","8","8","1") = "9"
    & skf18("1","9","10","10","8","9","1") = "9"
    & skf18("1","9","10","10","8","10","1") = "9"
    & skf18("1","9","10","10","9","1","1") = "9"
    & skf18("1","9","10","10","9","2","1") = "9"
    & skf18("1","9","10","10","9","3","1") = "9"
    & skf18("1","9","10","10","9","4","1") = "9"
    & skf18("1","9","10","10","9","5","1") = "9"
    & skf18("1","9","10","10","9","6","1") = "9"
    & skf18("1","9","10","10","9","7","1") = "9"
    & skf18("1","9","10","10","9","8","1") = "9"
    & skf18("1","9","10","10","9","9","1") = "9"
    & skf18("1","9","10","10","9","10","1") = "9"
    & skf18("1","9","10","10","10","1","1") = "9"
    & skf18("1","9","10","10","10","2","1") = "9"
    & skf18("1","9","10","10","10","3","1") = "9"
    & skf18("1","9","10","10","10","4","1") = "9"
    & skf18("1","9","10","10","10","5","1") = "9"
    & skf18("1","9","10","10","10","6","1") = "9"
    & skf18("1","9","10","10","10","7","1") = "9"
    & skf18("1","9","10","10","10","8","1") = "9"
    & skf18("1","9","10","10","10","9","1") = "9"
    & skf18("1","9","10","10","10","10","1") = "9"
    & skf18("1","10","1","1","1","1","1") = "9"
    & skf18("1","10","1","1","1","2","1") = "9"
    & skf18("1","10","1","1","1","3","1") = "9"
    & skf18("1","10","1","1","1","4","1") = "9"
    & skf18("1","10","1","1","1","5","1") = "9"
    & skf18("1","10","1","1","1","6","1") = "9"
    & skf18("1","10","1","1","1","7","1") = "9"
    & skf18("1","10","1","1","1","8","1") = "9"
    & skf18("1","10","1","1","1","9","1") = "9"
    & skf18("1","10","1","1","1","10","1") = "9"
    & skf18("1","10","1","1","2","1","1") = "9"
    & skf18("1","10","1","1","2","2","1") = "9"
    & skf18("1","10","1","1","2","3","1") = "9"
    & skf18("1","10","1","1","2","4","1") = "9"
    & skf18("1","10","1","1","2","5","1") = "9"
    & skf18("1","10","1","1","2","6","1") = "9"
    & skf18("1","10","1","1","2","7","1") = "9"
    & skf18("1","10","1","1","2","8","1") = "9"
    & skf18("1","10","1","1","2","9","1") = "9"
    & skf18("1","10","1","1","2","10","1") = "9"
    & skf18("1","10","1","1","3","1","1") = "9"
    & skf18("1","10","1","1","3","2","1") = "9"
    & skf18("1","10","1","1","3","3","1") = "9"
    & skf18("1","10","1","1","3","4","1") = "9"
    & skf18("1","10","1","1","3","5","1") = "9"
    & skf18("1","10","1","1","3","6","1") = "9"
    & skf18("1","10","1","1","3","7","1") = "9"
    & skf18("1","10","1","1","3","8","1") = "9"
    & skf18("1","10","1","1","3","9","1") = "9"
    & skf18("1","10","1","1","3","10","1") = "9"
    & skf18("1","10","1","1","4","1","1") = "9"
    & skf18("1","10","1","1","4","2","1") = "9"
    & skf18("1","10","1","1","4","3","1") = "9"
    & skf18("1","10","1","1","4","4","1") = "9"
    & skf18("1","10","1","1","4","5","1") = "9"
    & skf18("1","10","1","1","4","6","1") = "9"
    & skf18("1","10","1","1","4","7","1") = "9"
    & skf18("1","10","1","1","4","8","1") = "9"
    & skf18("1","10","1","1","4","9","1") = "9"
    & skf18("1","10","1","1","4","10","1") = "9"
    & skf18("1","10","1","1","5","1","1") = "9"
    & skf18("1","10","1","1","5","2","1") = "9"
    & skf18("1","10","1","1","5","3","1") = "9"
    & skf18("1","10","1","1","5","4","1") = "9"
    & skf18("1","10","1","1","5","5","1") = "9"
    & skf18("1","10","1","1","5","6","1") = "9"
    & skf18("1","10","1","1","5","7","1") = "9"
    & skf18("1","10","1","1","5","8","1") = "9"
    & skf18("1","10","1","1","5","9","1") = "9"
    & skf18("1","10","1","1","5","10","1") = "9"
    & skf18("1","10","1","1","6","1","1") = "9"
    & skf18("1","10","1","1","6","2","1") = "9"
    & skf18("1","10","1","1","6","3","1") = "9"
    & skf18("1","10","1","1","6","4","1") = "9"
    & skf18("1","10","1","1","6","5","1") = "9"
    & skf18("1","10","1","1","6","6","1") = "9"
    & skf18("1","10","1","1","6","7","1") = "9"
    & skf18("1","10","1","1","6","8","1") = "9"
    & skf18("1","10","1","1","6","9","1") = "9"
    & skf18("1","10","1","1","6","10","1") = "9"
    & skf18("1","10","1","1","7","1","1") = "9"
    & skf18("1","10","1","1","7","2","1") = "9"
    & skf18("1","10","1","1","7","3","1") = "9"
    & skf18("1","10","1","1","7","4","1") = "9"
    & skf18("1","10","1","1","7","5","1") = "9"
    & skf18("1","10","1","1","7","6","1") = "9"
    & skf18("1","10","1","1","7","7","1") = "9"
    & skf18("1","10","1","1","7","8","1") = "9"
    & skf18("1","10","1","1","7","9","1") = "9"
    & skf18("1","10","1","1","7","10","1") = "9"
    & skf18("1","10","1","1","8","1","1") = "9"
    & skf18("1","10","1","1","8","2","1") = "9"
    & skf18("1","10","1","1","8","3","1") = "9"
    & skf18("1","10","1","1","8","4","1") = "9"
    & skf18("1","10","1","1","8","5","1") = "9"
    & skf18("1","10","1","1","8","6","1") = "9"
    & skf18("1","10","1","1","8","7","1") = "9"
    & skf18("1","10","1","1","8","8","1") = "9"
    & skf18("1","10","1","1","8","9","1") = "9"
    & skf18("1","10","1","1","8","10","1") = "9"
    & skf18("1","10","1","1","9","1","1") = "9"
    & skf18("1","10","1","1","9","2","1") = "9"
    & skf18("1","10","1","1","9","3","1") = "9"
    & skf18("1","10","1","1","9","4","1") = "9"
    & skf18("1","10","1","1","9","5","1") = "9"
    & skf18("1","10","1","1","9","6","1") = "9"
    & skf18("1","10","1","1","9","7","1") = "9"
    & skf18("1","10","1","1","9","8","1") = "9"
    & skf18("1","10","1","1","9","9","1") = "9"
    & skf18("1","10","1","1","9","10","1") = "9"
    & skf18("1","10","1","1","10","1","1") = "9"
    & skf18("1","10","1","1","10","2","1") = "9"
    & skf18("1","10","1","1","10","3","1") = "9"
    & skf18("1","10","1","1","10","4","1") = "9"
    & skf18("1","10","1","1","10","5","1") = "9"
    & skf18("1","10","1","1","10","6","1") = "9"
    & skf18("1","10","1","1","10","7","1") = "9"
    & skf18("1","10","1","1","10","8","1") = "9"
    & skf18("1","10","1","1","10","9","1") = "9"
    & skf18("1","10","1","1","10","10","1") = "9"
    & skf18("1","10","1","2","1","1","1") = "9"
    & skf18("1","10","1","2","1","2","1") = "9"
    & skf18("1","10","1","2","1","3","1") = "9"
    & skf18("1","10","1","2","1","4","1") = "9"
    & skf18("1","10","1","2","1","5","1") = "9"
    & skf18("1","10","1","2","1","6","1") = "9"
    & skf18("1","10","1","2","1","7","1") = "9"
    & skf18("1","10","1","2","1","8","1") = "9"
    & skf18("1","10","1","2","1","9","1") = "9"
    & skf18("1","10","1","2","1","10","1") = "9"
    & skf18("1","10","1","2","2","1","1") = "9"
    & skf18("1","10","1","2","2","2","1") = "9"
    & skf18("1","10","1","2","2","3","1") = "9"
    & skf18("1","10","1","2","2","4","1") = "9"
    & skf18("1","10","1","2","2","5","1") = "9"
    & skf18("1","10","1","2","2","6","1") = "9"
    & skf18("1","10","1","2","2","7","1") = "9"
    & skf18("1","10","1","2","2","8","1") = "9"
    & skf18("1","10","1","2","2","9","1") = "9"
    & skf18("1","10","1","2","2","10","1") = "9"
    & skf18("1","10","1","2","3","1","1") = "9"
    & skf18("1","10","1","2","3","2","1") = "9"
    & skf18("1","10","1","2","3","3","1") = "9"
    & skf18("1","10","1","2","3","4","1") = "9"
    & skf18("1","10","1","2","3","5","1") = "9"
    & skf18("1","10","1","2","3","6","1") = "9"
    & skf18("1","10","1","2","3","7","1") = "9"
    & skf18("1","10","1","2","3","8","1") = "9"
    & skf18("1","10","1","2","3","9","1") = "9"
    & skf18("1","10","1","2","3","10","1") = "9"
    & skf18("1","10","1","2","4","1","1") = "9"
    & skf18("1","10","1","2","4","2","1") = "9"
    & skf18("1","10","1","2","4","3","1") = "9"
    & skf18("1","10","1","2","4","4","1") = "9"
    & skf18("1","10","1","2","4","5","1") = "9"
    & skf18("1","10","1","2","4","6","1") = "9"
    & skf18("1","10","1","2","4","7","1") = "9"
    & skf18("1","10","1","2","4","8","1") = "9"
    & skf18("1","10","1","2","4","9","1") = "9"
    & skf18("1","10","1","2","4","10","1") = "9"
    & skf18("1","10","1","2","5","1","1") = "9"
    & skf18("1","10","1","2","5","2","1") = "9"
    & skf18("1","10","1","2","5","3","1") = "9"
    & skf18("1","10","1","2","5","4","1") = "9"
    & skf18("1","10","1","2","5","5","1") = "9"
    & skf18("1","10","1","2","5","6","1") = "9"
    & skf18("1","10","1","2","5","7","1") = "9"
    & skf18("1","10","1","2","5","8","1") = "9"
    & skf18("1","10","1","2","5","9","1") = "9"
    & skf18("1","10","1","2","5","10","1") = "9"
    & skf18("1","10","1","2","6","1","1") = "9"
    & skf18("1","10","1","2","6","2","1") = "9"
    & skf18("1","10","1","2","6","3","1") = "9"
    & skf18("1","10","1","2","6","4","1") = "9"
    & skf18("1","10","1","2","6","5","1") = "9"
    & skf18("1","10","1","2","6","6","1") = "9"
    & skf18("1","10","1","2","6","7","1") = "9"
    & skf18("1","10","1","2","6","8","1") = "9"
    & skf18("1","10","1","2","6","9","1") = "9"
    & skf18("1","10","1","2","6","10","1") = "9"
    & skf18("1","10","1","2","7","1","1") = "9"
    & skf18("1","10","1","2","7","2","1") = "9"
    & skf18("1","10","1","2","7","3","1") = "9"
    & skf18("1","10","1","2","7","4","1") = "9"
    & skf18("1","10","1","2","7","5","1") = "9"
    & skf18("1","10","1","2","7","6","1") = "9"
    & skf18("1","10","1","2","7","7","1") = "9"
    & skf18("1","10","1","2","7","8","1") = "9"
    & skf18("1","10","1","2","7","9","1") = "9"
    & skf18("1","10","1","2","7","10","1") = "9"
    & skf18("1","10","1","2","8","1","1") = "9"
    & skf18("1","10","1","2","8","2","1") = "9"
    & skf18("1","10","1","2","8","3","1") = "9"
    & skf18("1","10","1","2","8","4","1") = "9"
    & skf18("1","10","1","2","8","5","1") = "9"
    & skf18("1","10","1","2","8","6","1") = "9"
    & skf18("1","10","1","2","8","7","1") = "9"
    & skf18("1","10","1","2","8","8","1") = "9"
    & skf18("1","10","1","2","8","9","1") = "9"
    & skf18("1","10","1","2","8","10","1") = "9"
    & skf18("1","10","1","2","9","1","1") = "9"
    & skf18("1","10","1","2","9","2","1") = "9"
    & skf18("1","10","1","2","9","3","1") = "9"
    & skf18("1","10","1","2","9","4","1") = "9"
    & skf18("1","10","1","2","9","5","1") = "9"
    & skf18("1","10","1","2","9","6","1") = "9"
    & skf18("1","10","1","2","9","7","1") = "9"
    & skf18("1","10","1","2","9","8","1") = "9"
    & skf18("1","10","1","2","9","9","1") = "9"
    & skf18("1","10","1","2","9","10","1") = "9"
    & skf18("1","10","1","2","10","1","1") = "9"
    & skf18("1","10","1","2","10","2","1") = "9"
    & skf18("1","10","1","2","10","3","1") = "9"
    & skf18("1","10","1","2","10","4","1") = "9"
    & skf18("1","10","1","2","10","5","1") = "9"
    & skf18("1","10","1","2","10","6","1") = "9"
    & skf18("1","10","1","2","10","7","1") = "9"
    & skf18("1","10","1","2","10","8","1") = "9"
    & skf18("1","10","1","2","10","9","1") = "9"
    & skf18("1","10","1","2","10","10","1") = "9"
    & skf18("1","10","1","3","1","1","1") = "9"
    & skf18("1","10","1","3","1","2","1") = "9"
    & skf18("1","10","1","3","1","3","1") = "9"
    & skf18("1","10","1","3","1","4","1") = "9"
    & skf18("1","10","1","3","1","5","1") = "9"
    & skf18("1","10","1","3","1","6","1") = "9"
    & skf18("1","10","1","3","1","7","1") = "9"
    & skf18("1","10","1","3","1","8","1") = "9"
    & skf18("1","10","1","3","1","9","1") = "9"
    & skf18("1","10","1","3","1","10","1") = "9"
    & skf18("1","10","1","3","2","1","1") = "9"
    & skf18("1","10","1","3","2","2","1") = "9"
    & skf18("1","10","1","3","2","3","1") = "9"
    & skf18("1","10","1","3","2","4","1") = "9"
    & skf18("1","10","1","3","2","5","1") = "9"
    & skf18("1","10","1","3","2","6","1") = "9"
    & skf18("1","10","1","3","2","7","1") = "9"
    & skf18("1","10","1","3","2","8","1") = "9"
    & skf18("1","10","1","3","2","9","1") = "9"
    & skf18("1","10","1","3","2","10","1") = "9"
    & skf18("1","10","1","3","3","1","1") = "9"
    & skf18("1","10","1","3","3","2","1") = "9"
    & skf18("1","10","1","3","3","3","1") = "9"
    & skf18("1","10","1","3","3","4","1") = "9"
    & skf18("1","10","1","3","3","5","1") = "9"
    & skf18("1","10","1","3","3","6","1") = "9"
    & skf18("1","10","1","3","3","7","1") = "9"
    & skf18("1","10","1","3","3","8","1") = "9"
    & skf18("1","10","1","3","3","9","1") = "9"
    & skf18("1","10","1","3","3","10","1") = "9"
    & skf18("1","10","1","3","4","1","1") = "9"
    & skf18("1","10","1","3","4","2","1") = "9"
    & skf18("1","10","1","3","4","3","1") = "9"
    & skf18("1","10","1","3","4","4","1") = "9"
    & skf18("1","10","1","3","4","5","1") = "9"
    & skf18("1","10","1","3","4","6","1") = "9"
    & skf18("1","10","1","3","4","7","1") = "9"
    & skf18("1","10","1","3","4","8","1") = "9"
    & skf18("1","10","1","3","4","9","1") = "9"
    & skf18("1","10","1","3","4","10","1") = "9"
    & skf18("1","10","1","3","5","1","1") = "9"
    & skf18("1","10","1","3","5","2","1") = "9"
    & skf18("1","10","1","3","5","3","1") = "9"
    & skf18("1","10","1","3","5","4","1") = "9"
    & skf18("1","10","1","3","5","5","1") = "9"
    & skf18("1","10","1","3","5","6","1") = "9"
    & skf18("1","10","1","3","5","7","1") = "9"
    & skf18("1","10","1","3","5","8","1") = "9"
    & skf18("1","10","1","3","5","9","1") = "9"
    & skf18("1","10","1","3","5","10","1") = "9"
    & skf18("1","10","1","3","6","1","1") = "9"
    & skf18("1","10","1","3","6","2","1") = "9"
    & skf18("1","10","1","3","6","3","1") = "9"
    & skf18("1","10","1","3","6","4","1") = "9"
    & skf18("1","10","1","3","6","5","1") = "9"
    & skf18("1","10","1","3","6","6","1") = "9"
    & skf18("1","10","1","3","6","7","1") = "9"
    & skf18("1","10","1","3","6","8","1") = "9"
    & skf18("1","10","1","3","6","9","1") = "9"
    & skf18("1","10","1","3","6","10","1") = "9"
    & skf18("1","10","1","3","7","1","1") = "9"
    & skf18("1","10","1","3","7","2","1") = "9"
    & skf18("1","10","1","3","7","3","1") = "9"
    & skf18("1","10","1","3","7","4","1") = "9"
    & skf18("1","10","1","3","7","5","1") = "9"
    & skf18("1","10","1","3","7","6","1") = "9"
    & skf18("1","10","1","3","7","7","1") = "9"
    & skf18("1","10","1","3","7","8","1") = "9"
    & skf18("1","10","1","3","7","9","1") = "9"
    & skf18("1","10","1","3","7","10","1") = "9"
    & skf18("1","10","1","3","8","1","1") = "9"
    & skf18("1","10","1","3","8","2","1") = "9"
    & skf18("1","10","1","3","8","3","1") = "9"
    & skf18("1","10","1","3","8","4","1") = "9"
    & skf18("1","10","1","3","8","5","1") = "9"
    & skf18("1","10","1","3","8","6","1") = "9"
    & skf18("1","10","1","3","8","7","1") = "9"
    & skf18("1","10","1","3","8","8","1") = "9"
    & skf18("1","10","1","3","8","9","1") = "9"
    & skf18("1","10","1","3","8","10","1") = "9"
    & skf18("1","10","1","3","9","1","1") = "9"
    & skf18("1","10","1","3","9","2","1") = "9"
    & skf18("1","10","1","3","9","3","1") = "9"
    & skf18("1","10","1","3","9","4","1") = "9"
    & skf18("1","10","1","3","9","5","1") = "9"
    & skf18("1","10","1","3","9","6","1") = "9"
    & skf18("1","10","1","3","9","7","1") = "9"
    & skf18("1","10","1","3","9","8","1") = "9"
    & skf18("1","10","1","3","9","9","1") = "9"
    & skf18("1","10","1","3","9","10","1") = "9"
    & skf18("1","10","1","3","10","1","1") = "9"
    & skf18("1","10","1","3","10","2","1") = "9"
    & skf18("1","10","1","3","10","3","1") = "9"
    & skf18("1","10","1","3","10","4","1") = "9"
    & skf18("1","10","1","3","10","5","1") = "9"
    & skf18("1","10","1","3","10","6","1") = "9"
    & skf18("1","10","1","3","10","7","1") = "9"
    & skf18("1","10","1","3","10","8","1") = "9"
    & skf18("1","10","1","3","10","9","1") = "9"
    & skf18("1","10","1","3","10","10","1") = "9"
    & skf18("1","10","1","4","1","1","1") = "9"
    & skf18("1","10","1","4","1","2","1") = "9"
    & skf18("1","10","1","4","1","3","1") = "9"
    & skf18("1","10","1","4","1","4","1") = "9"
    & skf18("1","10","1","4","1","5","1") = "9"
    & skf18("1","10","1","4","1","6","1") = "9"
    & skf18("1","10","1","4","1","7","1") = "9"
    & skf18("1","10","1","4","1","8","1") = "9"
    & skf18("1","10","1","4","1","9","1") = "9"
    & skf18("1","10","1","4","1","10","1") = "9"
    & skf18("1","10","1","4","2","1","1") = "9"
    & skf18("1","10","1","4","2","2","1") = "9"
    & skf18("1","10","1","4","2","3","1") = "9"
    & skf18("1","10","1","4","2","4","1") = "9"
    & skf18("1","10","1","4","2","5","1") = "9"
    & skf18("1","10","1","4","2","6","1") = "9"
    & skf18("1","10","1","4","2","7","1") = "9"
    & skf18("1","10","1","4","2","8","1") = "9"
    & skf18("1","10","1","4","2","9","1") = "9"
    & skf18("1","10","1","4","2","10","1") = "9"
    & skf18("1","10","1","4","3","1","1") = "9"
    & skf18("1","10","1","4","3","2","1") = "9"
    & skf18("1","10","1","4","3","3","1") = "9"
    & skf18("1","10","1","4","3","4","1") = "9"
    & skf18("1","10","1","4","3","5","1") = "9"
    & skf18("1","10","1","4","3","6","1") = "9"
    & skf18("1","10","1","4","3","7","1") = "9"
    & skf18("1","10","1","4","3","8","1") = "9"
    & skf18("1","10","1","4","3","9","1") = "9"
    & skf18("1","10","1","4","3","10","1") = "9"
    & skf18("1","10","1","4","4","1","1") = "9"
    & skf18("1","10","1","4","4","2","1") = "9"
    & skf18("1","10","1","4","4","3","1") = "9"
    & skf18("1","10","1","4","4","4","1") = "9"
    & skf18("1","10","1","4","4","5","1") = "9"
    & skf18("1","10","1","4","4","6","1") = "9"
    & skf18("1","10","1","4","4","7","1") = "9"
    & skf18("1","10","1","4","4","8","1") = "9"
    & skf18("1","10","1","4","4","9","1") = "9"
    & skf18("1","10","1","4","4","10","1") = "9"
    & skf18("1","10","1","4","5","1","1") = "9"
    & skf18("1","10","1","4","5","2","1") = "9"
    & skf18("1","10","1","4","5","3","1") = "9"
    & skf18("1","10","1","4","5","4","1") = "9"
    & skf18("1","10","1","4","5","5","1") = "9"
    & skf18("1","10","1","4","5","6","1") = "9"
    & skf18("1","10","1","4","5","7","1") = "9"
    & skf18("1","10","1","4","5","8","1") = "9"
    & skf18("1","10","1","4","5","9","1") = "9"
    & skf18("1","10","1","4","5","10","1") = "9"
    & skf18("1","10","1","4","6","1","1") = "9"
    & skf18("1","10","1","4","6","2","1") = "9"
    & skf18("1","10","1","4","6","3","1") = "9"
    & skf18("1","10","1","4","6","4","1") = "9"
    & skf18("1","10","1","4","6","5","1") = "9"
    & skf18("1","10","1","4","6","6","1") = "9"
    & skf18("1","10","1","4","6","7","1") = "9"
    & skf18("1","10","1","4","6","8","1") = "9"
    & skf18("1","10","1","4","6","9","1") = "9"
    & skf18("1","10","1","4","6","10","1") = "9"
    & skf18("1","10","1","4","7","1","1") = "9"
    & skf18("1","10","1","4","7","2","1") = "9"
    & skf18("1","10","1","4","7","3","1") = "9"
    & skf18("1","10","1","4","7","4","1") = "9"
    & skf18("1","10","1","4","7","5","1") = "9"
    & skf18("1","10","1","4","7","6","1") = "9"
    & skf18("1","10","1","4","7","7","1") = "9"
    & skf18("1","10","1","4","7","8","1") = "9"
    & skf18("1","10","1","4","7","9","1") = "9"
    & skf18("1","10","1","4","7","10","1") = "9"
    & skf18("1","10","1","4","8","1","1") = "9"
    & skf18("1","10","1","4","8","2","1") = "9"
    & skf18("1","10","1","4","8","3","1") = "9"
    & skf18("1","10","1","4","8","4","1") = "9"
    & skf18("1","10","1","4","8","5","1") = "9"
    & skf18("1","10","1","4","8","6","1") = "9"
    & skf18("1","10","1","4","8","7","1") = "9"
    & skf18("1","10","1","4","8","8","1") = "9"
    & skf18("1","10","1","4","8","9","1") = "9"
    & skf18("1","10","1","4","8","10","1") = "9"
    & skf18("1","10","1","4","9","1","1") = "9"
    & skf18("1","10","1","4","9","2","1") = "9"
    & skf18("1","10","1","4","9","3","1") = "9"
    & skf18("1","10","1","4","9","4","1") = "9"
    & skf18("1","10","1","4","9","5","1") = "9"
    & skf18("1","10","1","4","9","6","1") = "9"
    & skf18("1","10","1","4","9","7","1") = "9"
    & skf18("1","10","1","4","9","8","1") = "9"
    & skf18("1","10","1","4","9","9","1") = "9"
    & skf18("1","10","1","4","9","10","1") = "9"
    & skf18("1","10","1","4","10","1","1") = "9"
    & skf18("1","10","1","4","10","2","1") = "9"
    & skf18("1","10","1","4","10","3","1") = "9"
    & skf18("1","10","1","4","10","4","1") = "9"
    & skf18("1","10","1","4","10","5","1") = "9"
    & skf18("1","10","1","4","10","6","1") = "9"
    & skf18("1","10","1","4","10","7","1") = "9"
    & skf18("1","10","1","4","10","8","1") = "9"
    & skf18("1","10","1","4","10","9","1") = "9"
    & skf18("1","10","1","4","10","10","1") = "9"
    & skf18("1","10","1","5","1","1","1") = "9"
    & skf18("1","10","1","5","1","2","1") = "9"
    & skf18("1","10","1","5","1","3","1") = "9"
    & skf18("1","10","1","5","1","4","1") = "9"
    & skf18("1","10","1","5","1","5","1") = "9"
    & skf18("1","10","1","5","1","6","1") = "9"
    & skf18("1","10","1","5","1","7","1") = "9"
    & skf18("1","10","1","5","1","8","1") = "9"
    & skf18("1","10","1","5","1","9","1") = "9"
    & skf18("1","10","1","5","1","10","1") = "9"
    & skf18("1","10","1","5","2","1","1") = "9"
    & skf18("1","10","1","5","2","2","1") = "9"
    & skf18("1","10","1","5","2","3","1") = "9"
    & skf18("1","10","1","5","2","4","1") = "9"
    & skf18("1","10","1","5","2","5","1") = "9"
    & skf18("1","10","1","5","2","6","1") = "9"
    & skf18("1","10","1","5","2","7","1") = "9"
    & skf18("1","10","1","5","2","8","1") = "9"
    & skf18("1","10","1","5","2","9","1") = "9"
    & skf18("1","10","1","5","2","10","1") = "9"
    & skf18("1","10","1","5","3","1","1") = "9"
    & skf18("1","10","1","5","3","2","1") = "9"
    & skf18("1","10","1","5","3","3","1") = "9"
    & skf18("1","10","1","5","3","4","1") = "9"
    & skf18("1","10","1","5","3","5","1") = "9"
    & skf18("1","10","1","5","3","6","1") = "9"
    & skf18("1","10","1","5","3","7","1") = "9"
    & skf18("1","10","1","5","3","8","1") = "9"
    & skf18("1","10","1","5","3","9","1") = "9"
    & skf18("1","10","1","5","3","10","1") = "9"
    & skf18("1","10","1","5","4","1","1") = "9"
    & skf18("1","10","1","5","4","2","1") = "9"
    & skf18("1","10","1","5","4","3","1") = "9"
    & skf18("1","10","1","5","4","4","1") = "9"
    & skf18("1","10","1","5","4","5","1") = "9"
    & skf18("1","10","1","5","4","6","1") = "9"
    & skf18("1","10","1","5","4","7","1") = "9"
    & skf18("1","10","1","5","4","8","1") = "9"
    & skf18("1","10","1","5","4","9","1") = "9"
    & skf18("1","10","1","5","4","10","1") = "9"
    & skf18("1","10","1","5","5","1","1") = "9"
    & skf18("1","10","1","5","5","2","1") = "9"
    & skf18("1","10","1","5","5","3","1") = "9"
    & skf18("1","10","1","5","5","4","1") = "9"
    & skf18("1","10","1","5","5","5","1") = "9"
    & skf18("1","10","1","5","5","6","1") = "9"
    & skf18("1","10","1","5","5","7","1") = "9"
    & skf18("1","10","1","5","5","8","1") = "9"
    & skf18("1","10","1","5","5","9","1") = "9"
    & skf18("1","10","1","5","5","10","1") = "9"
    & skf18("1","10","1","5","6","1","1") = "9"
    & skf18("1","10","1","5","6","2","1") = "9"
    & skf18("1","10","1","5","6","3","1") = "9"
    & skf18("1","10","1","5","6","4","1") = "9"
    & skf18("1","10","1","5","6","5","1") = "9"
    & skf18("1","10","1","5","6","6","1") = "9"
    & skf18("1","10","1","5","6","7","1") = "9"
    & skf18("1","10","1","5","6","8","1") = "9"
    & skf18("1","10","1","5","6","9","1") = "9"
    & skf18("1","10","1","5","6","10","1") = "9"
    & skf18("1","10","1","5","7","1","1") = "9"
    & skf18("1","10","1","5","7","2","1") = "9"
    & skf18("1","10","1","5","7","3","1") = "9"
    & skf18("1","10","1","5","7","4","1") = "9"
    & skf18("1","10","1","5","7","5","1") = "9"
    & skf18("1","10","1","5","7","6","1") = "9"
    & skf18("1","10","1","5","7","7","1") = "9"
    & skf18("1","10","1","5","7","8","1") = "9"
    & skf18("1","10","1","5","7","9","1") = "9"
    & skf18("1","10","1","5","7","10","1") = "9"
    & skf18("1","10","1","5","8","1","1") = "9"
    & skf18("1","10","1","5","8","2","1") = "9"
    & skf18("1","10","1","5","8","3","1") = "9"
    & skf18("1","10","1","5","8","4","1") = "9"
    & skf18("1","10","1","5","8","5","1") = "9"
    & skf18("1","10","1","5","8","6","1") = "9"
    & skf18("1","10","1","5","8","7","1") = "9"
    & skf18("1","10","1","5","8","8","1") = "9"
    & skf18("1","10","1","5","8","9","1") = "9"
    & skf18("1","10","1","5","8","10","1") = "9"
    & skf18("1","10","1","5","9","1","1") = "9"
    & skf18("1","10","1","5","9","2","1") = "9"
    & skf18("1","10","1","5","9","3","1") = "9"
    & skf18("1","10","1","5","9","4","1") = "9"
    & skf18("1","10","1","5","9","5","1") = "9"
    & skf18("1","10","1","5","9","6","1") = "9"
    & skf18("1","10","1","5","9","7","1") = "9"
    & skf18("1","10","1","5","9","8","1") = "9"
    & skf18("1","10","1","5","9","9","1") = "9"
    & skf18("1","10","1","5","9","10","1") = "9"
    & skf18("1","10","1","5","10","1","1") = "9"
    & skf18("1","10","1","5","10","2","1") = "9"
    & skf18("1","10","1","5","10","3","1") = "9"
    & skf18("1","10","1","5","10","4","1") = "9"
    & skf18("1","10","1","5","10","5","1") = "9"
    & skf18("1","10","1","5","10","6","1") = "9"
    & skf18("1","10","1","5","10","7","1") = "9"
    & skf18("1","10","1","5","10","8","1") = "9"
    & skf18("1","10","1","5","10","9","1") = "9"
    & skf18("1","10","1","5","10","10","1") = "9"
    & skf18("1","10","1","6","1","1","1") = "9"
    & skf18("1","10","1","6","1","2","1") = "9"
    & skf18("1","10","1","6","1","3","1") = "9"
    & skf18("1","10","1","6","1","4","1") = "9"
    & skf18("1","10","1","6","1","5","1") = "9"
    & skf18("1","10","1","6","1","6","1") = "9"
    & skf18("1","10","1","6","1","7","1") = "9"
    & skf18("1","10","1","6","1","8","1") = "9"
    & skf18("1","10","1","6","1","9","1") = "9"
    & skf18("1","10","1","6","1","10","1") = "9"
    & skf18("1","10","1","6","2","1","1") = "9"
    & skf18("1","10","1","6","2","2","1") = "9"
    & skf18("1","10","1","6","2","3","1") = "9"
    & skf18("1","10","1","6","2","4","1") = "9"
    & skf18("1","10","1","6","2","5","1") = "9"
    & skf18("1","10","1","6","2","6","1") = "9"
    & skf18("1","10","1","6","2","7","1") = "9"
    & skf18("1","10","1","6","2","8","1") = "9"
    & skf18("1","10","1","6","2","9","1") = "9"
    & skf18("1","10","1","6","2","10","1") = "9"
    & skf18("1","10","1","6","3","1","1") = "9"
    & skf18("1","10","1","6","3","2","1") = "9"
    & skf18("1","10","1","6","3","3","1") = "9"
    & skf18("1","10","1","6","3","4","1") = "9"
    & skf18("1","10","1","6","3","5","1") = "9"
    & skf18("1","10","1","6","3","6","1") = "9"
    & skf18("1","10","1","6","3","7","1") = "9"
    & skf18("1","10","1","6","3","8","1") = "9"
    & skf18("1","10","1","6","3","9","1") = "9"
    & skf18("1","10","1","6","3","10","1") = "9"
    & skf18("1","10","1","6","4","1","1") = "9"
    & skf18("1","10","1","6","4","2","1") = "9"
    & skf18("1","10","1","6","4","3","1") = "9"
    & skf18("1","10","1","6","4","4","1") = "9"
    & skf18("1","10","1","6","4","5","1") = "9"
    & skf18("1","10","1","6","4","6","1") = "9"
    & skf18("1","10","1","6","4","7","1") = "9"
    & skf18("1","10","1","6","4","8","1") = "9"
    & skf18("1","10","1","6","4","9","1") = "9"
    & skf18("1","10","1","6","4","10","1") = "9"
    & skf18("1","10","1","6","5","1","1") = "9"
    & skf18("1","10","1","6","5","2","1") = "9"
    & skf18("1","10","1","6","5","3","1") = "9"
    & skf18("1","10","1","6","5","4","1") = "9"
    & skf18("1","10","1","6","5","5","1") = "9"
    & skf18("1","10","1","6","5","6","1") = "9"
    & skf18("1","10","1","6","5","7","1") = "9"
    & skf18("1","10","1","6","5","8","1") = "9"
    & skf18("1","10","1","6","5","9","1") = "9"
    & skf18("1","10","1","6","5","10","1") = "9"
    & skf18("1","10","1","6","6","1","1") = "9"
    & skf18("1","10","1","6","6","2","1") = "9"
    & skf18("1","10","1","6","6","3","1") = "9"
    & skf18("1","10","1","6","6","4","1") = "9"
    & skf18("1","10","1","6","6","5","1") = "9"
    & skf18("1","10","1","6","6","6","1") = "9"
    & skf18("1","10","1","6","6","7","1") = "9"
    & skf18("1","10","1","6","6","8","1") = "9"
    & skf18("1","10","1","6","6","9","1") = "9"
    & skf18("1","10","1","6","6","10","1") = "9"
    & skf18("1","10","1","6","7","1","1") = "9"
    & skf18("1","10","1","6","7","2","1") = "9"
    & skf18("1","10","1","6","7","3","1") = "9"
    & skf18("1","10","1","6","7","4","1") = "9"
    & skf18("1","10","1","6","7","5","1") = "9"
    & skf18("1","10","1","6","7","6","1") = "9"
    & skf18("1","10","1","6","7","7","1") = "9"
    & skf18("1","10","1","6","7","8","1") = "9"
    & skf18("1","10","1","6","7","9","1") = "9"
    & skf18("1","10","1","6","7","10","1") = "9"
    & skf18("1","10","1","6","8","1","1") = "9"
    & skf18("1","10","1","6","8","2","1") = "9"
    & skf18("1","10","1","6","8","3","1") = "9"
    & skf18("1","10","1","6","8","4","1") = "9"
    & skf18("1","10","1","6","8","5","1") = "9"
    & skf18("1","10","1","6","8","6","1") = "9"
    & skf18("1","10","1","6","8","7","1") = "9"
    & skf18("1","10","1","6","8","8","1") = "9"
    & skf18("1","10","1","6","8","9","1") = "9"
    & skf18("1","10","1","6","8","10","1") = "9"
    & skf18("1","10","1","6","9","1","1") = "9"
    & skf18("1","10","1","6","9","2","1") = "9"
    & skf18("1","10","1","6","9","3","1") = "9"
    & skf18("1","10","1","6","9","4","1") = "9"
    & skf18("1","10","1","6","9","5","1") = "9"
    & skf18("1","10","1","6","9","6","1") = "9"
    & skf18("1","10","1","6","9","7","1") = "9"
    & skf18("1","10","1","6","9","8","1") = "9"
    & skf18("1","10","1","6","9","9","1") = "9"
    & skf18("1","10","1","6","9","10","1") = "9"
    & skf18("1","10","1","6","10","1","1") = "9"
    & skf18("1","10","1","6","10","2","1") = "9"
    & skf18("1","10","1","6","10","3","1") = "9"
    & skf18("1","10","1","6","10","4","1") = "9"
    & skf18("1","10","1","6","10","5","1") = "9"
    & skf18("1","10","1","6","10","6","1") = "9"
    & skf18("1","10","1","6","10","7","1") = "9"
    & skf18("1","10","1","6","10","8","1") = "9"
    & skf18("1","10","1","6","10","9","1") = "9"
    & skf18("1","10","1","6","10","10","1") = "9"
    & skf18("1","10","1","7","1","1","1") = "9"
    & skf18("1","10","1","7","1","2","1") = "9"
    & skf18("1","10","1","7","1","3","1") = "9"
    & skf18("1","10","1","7","1","4","1") = "9"
    & skf18("1","10","1","7","1","5","1") = "9"
    & skf18("1","10","1","7","1","6","1") = "9"
    & skf18("1","10","1","7","1","7","1") = "9"
    & skf18("1","10","1","7","1","8","1") = "9"
    & skf18("1","10","1","7","1","9","1") = "9"
    & skf18("1","10","1","7","1","10","1") = "9"
    & skf18("1","10","1","7","2","1","1") = "9"
    & skf18("1","10","1","7","2","2","1") = "9"
    & skf18("1","10","1","7","2","3","1") = "9"
    & skf18("1","10","1","7","2","4","1") = "9"
    & skf18("1","10","1","7","2","5","1") = "9"
    & skf18("1","10","1","7","2","6","1") = "9"
    & skf18("1","10","1","7","2","7","1") = "9"
    & skf18("1","10","1","7","2","8","1") = "9"
    & skf18("1","10","1","7","2","9","1") = "9"
    & skf18("1","10","1","7","2","10","1") = "9"
    & skf18("1","10","1","7","3","1","1") = "9"
    & skf18("1","10","1","7","3","2","1") = "9"
    & skf18("1","10","1","7","3","3","1") = "9"
    & skf18("1","10","1","7","3","4","1") = "9"
    & skf18("1","10","1","7","3","5","1") = "9"
    & skf18("1","10","1","7","3","6","1") = "9"
    & skf18("1","10","1","7","3","7","1") = "9"
    & skf18("1","10","1","7","3","8","1") = "9"
    & skf18("1","10","1","7","3","9","1") = "9"
    & skf18("1","10","1","7","3","10","1") = "9"
    & skf18("1","10","1","7","4","1","1") = "9"
    & skf18("1","10","1","7","4","2","1") = "9"
    & skf18("1","10","1","7","4","3","1") = "9"
    & skf18("1","10","1","7","4","4","1") = "9"
    & skf18("1","10","1","7","4","5","1") = "9"
    & skf18("1","10","1","7","4","6","1") = "9"
    & skf18("1","10","1","7","4","7","1") = "9"
    & skf18("1","10","1","7","4","8","1") = "9"
    & skf18("1","10","1","7","4","9","1") = "9"
    & skf18("1","10","1","7","4","10","1") = "9"
    & skf18("1","10","1","7","5","1","1") = "9"
    & skf18("1","10","1","7","5","2","1") = "9"
    & skf18("1","10","1","7","5","3","1") = "9"
    & skf18("1","10","1","7","5","4","1") = "9"
    & skf18("1","10","1","7","5","5","1") = "9"
    & skf18("1","10","1","7","5","6","1") = "9"
    & skf18("1","10","1","7","5","7","1") = "9"
    & skf18("1","10","1","7","5","8","1") = "9"
    & skf18("1","10","1","7","5","9","1") = "9"
    & skf18("1","10","1","7","5","10","1") = "9"
    & skf18("1","10","1","7","6","1","1") = "9"
    & skf18("1","10","1","7","6","2","1") = "9"
    & skf18("1","10","1","7","6","3","1") = "9"
    & skf18("1","10","1","7","6","4","1") = "9"
    & skf18("1","10","1","7","6","5","1") = "9"
    & skf18("1","10","1","7","6","6","1") = "9"
    & skf18("1","10","1","7","6","7","1") = "9"
    & skf18("1","10","1","7","6","8","1") = "9"
    & skf18("1","10","1","7","6","9","1") = "9"
    & skf18("1","10","1","7","6","10","1") = "9"
    & skf18("1","10","1","7","7","1","1") = "9"
    & skf18("1","10","1","7","7","2","1") = "9"
    & skf18("1","10","1","7","7","3","1") = "9"
    & skf18("1","10","1","7","7","4","1") = "9"
    & skf18("1","10","1","7","7","5","1") = "9"
    & skf18("1","10","1","7","7","6","1") = "9"
    & skf18("1","10","1","7","7","7","1") = "9"
    & skf18("1","10","1","7","7","8","1") = "9"
    & skf18("1","10","1","7","7","9","1") = "9"
    & skf18("1","10","1","7","7","10","1") = "9"
    & skf18("1","10","1","7","8","1","1") = "9"
    & skf18("1","10","1","7","8","2","1") = "9"
    & skf18("1","10","1","7","8","3","1") = "9"
    & skf18("1","10","1","7","8","4","1") = "9"
    & skf18("1","10","1","7","8","5","1") = "9"
    & skf18("1","10","1","7","8","6","1") = "9"
    & skf18("1","10","1","7","8","7","1") = "9"
    & skf18("1","10","1","7","8","8","1") = "9"
    & skf18("1","10","1","7","8","9","1") = "9"
    & skf18("1","10","1","7","8","10","1") = "9"
    & skf18("1","10","1","7","9","1","1") = "9"
    & skf18("1","10","1","7","9","2","1") = "9"
    & skf18("1","10","1","7","9","3","1") = "9"
    & skf18("1","10","1","7","9","4","1") = "9"
    & skf18("1","10","1","7","9","5","1") = "9"
    & skf18("1","10","1","7","9","6","1") = "9"
    & skf18("1","10","1","7","9","7","1") = "9"
    & skf18("1","10","1","7","9","8","1") = "9"
    & skf18("1","10","1","7","9","9","1") = "9"
    & skf18("1","10","1","7","9","10","1") = "9"
    & skf18("1","10","1","7","10","1","1") = "9"
    & skf18("1","10","1","7","10","2","1") = "9"
    & skf18("1","10","1","7","10","3","1") = "9"
    & skf18("1","10","1","7","10","4","1") = "9"
    & skf18("1","10","1","7","10","5","1") = "9"
    & skf18("1","10","1","7","10","6","1") = "9"
    & skf18("1","10","1","7","10","7","1") = "9"
    & skf18("1","10","1","7","10","8","1") = "9"
    & skf18("1","10","1","7","10","9","1") = "9"
    & skf18("1","10","1","7","10","10","1") = "9"
    & skf18("1","10","1","8","1","1","1") = "9"
    & skf18("1","10","1","8","1","2","1") = "9"
    & skf18("1","10","1","8","1","3","1") = "9"
    & skf18("1","10","1","8","1","4","1") = "9"
    & skf18("1","10","1","8","1","5","1") = "9"
    & skf18("1","10","1","8","1","6","1") = "9"
    & skf18("1","10","1","8","1","7","1") = "9"
    & skf18("1","10","1","8","1","8","1") = "9"
    & skf18("1","10","1","8","1","9","1") = "9"
    & skf18("1","10","1","8","1","10","1") = "9"
    & skf18("1","10","1","8","2","1","1") = "9"
    & skf18("1","10","1","8","2","2","1") = "9"
    & skf18("1","10","1","8","2","3","1") = "9"
    & skf18("1","10","1","8","2","4","1") = "9"
    & skf18("1","10","1","8","2","5","1") = "9"
    & skf18("1","10","1","8","2","6","1") = "9"
    & skf18("1","10","1","8","2","7","1") = "9"
    & skf18("1","10","1","8","2","8","1") = "9"
    & skf18("1","10","1","8","2","9","1") = "9"
    & skf18("1","10","1","8","2","10","1") = "9"
    & skf18("1","10","1","8","3","1","1") = "9"
    & skf18("1","10","1","8","3","2","1") = "9"
    & skf18("1","10","1","8","3","3","1") = "9"
    & skf18("1","10","1","8","3","4","1") = "9"
    & skf18("1","10","1","8","3","5","1") = "9"
    & skf18("1","10","1","8","3","6","1") = "9"
    & skf18("1","10","1","8","3","7","1") = "9"
    & skf18("1","10","1","8","3","8","1") = "9"
    & skf18("1","10","1","8","3","9","1") = "9"
    & skf18("1","10","1","8","3","10","1") = "9"
    & skf18("1","10","1","8","4","1","1") = "9"
    & skf18("1","10","1","8","4","2","1") = "9"
    & skf18("1","10","1","8","4","3","1") = "9"
    & skf18("1","10","1","8","4","4","1") = "9"
    & skf18("1","10","1","8","4","5","1") = "9"
    & skf18("1","10","1","8","4","6","1") = "9"
    & skf18("1","10","1","8","4","7","1") = "9"
    & skf18("1","10","1","8","4","8","1") = "9"
    & skf18("1","10","1","8","4","9","1") = "9"
    & skf18("1","10","1","8","4","10","1") = "9"
    & skf18("1","10","1","8","5","1","1") = "9"
    & skf18("1","10","1","8","5","2","1") = "9"
    & skf18("1","10","1","8","5","3","1") = "9"
    & skf18("1","10","1","8","5","4","1") = "9"
    & skf18("1","10","1","8","5","5","1") = "9"
    & skf18("1","10","1","8","5","6","1") = "9"
    & skf18("1","10","1","8","5","7","1") = "9"
    & skf18("1","10","1","8","5","8","1") = "9"
    & skf18("1","10","1","8","5","9","1") = "9"
    & skf18("1","10","1","8","5","10","1") = "9"
    & skf18("1","10","1","8","6","1","1") = "9"
    & skf18("1","10","1","8","6","2","1") = "9"
    & skf18("1","10","1","8","6","3","1") = "9"
    & skf18("1","10","1","8","6","4","1") = "9"
    & skf18("1","10","1","8","6","5","1") = "9"
    & skf18("1","10","1","8","6","6","1") = "9"
    & skf18("1","10","1","8","6","7","1") = "9"
    & skf18("1","10","1","8","6","8","1") = "9"
    & skf18("1","10","1","8","6","9","1") = "9"
    & skf18("1","10","1","8","6","10","1") = "9"
    & skf18("1","10","1","8","7","1","1") = "9"
    & skf18("1","10","1","8","7","2","1") = "9"
    & skf18("1","10","1","8","7","3","1") = "9"
    & skf18("1","10","1","8","7","4","1") = "9"
    & skf18("1","10","1","8","7","5","1") = "9"
    & skf18("1","10","1","8","7","6","1") = "9"
    & skf18("1","10","1","8","7","7","1") = "9"
    & skf18("1","10","1","8","7","8","1") = "9"
    & skf18("1","10","1","8","7","9","1") = "9"
    & skf18("1","10","1","8","7","10","1") = "9"
    & skf18("1","10","1","8","8","1","1") = "9"
    & skf18("1","10","1","8","8","2","1") = "9"
    & skf18("1","10","1","8","8","3","1") = "9"
    & skf18("1","10","1","8","8","4","1") = "9"
    & skf18("1","10","1","8","8","5","1") = "9"
    & skf18("1","10","1","8","8","6","1") = "9"
    & skf18("1","10","1","8","8","7","1") = "9"
    & skf18("1","10","1","8","8","8","1") = "9"
    & skf18("1","10","1","8","8","9","1") = "9"
    & skf18("1","10","1","8","8","10","1") = "9"
    & skf18("1","10","1","8","9","1","1") = "9"
    & skf18("1","10","1","8","9","2","1") = "9"
    & skf18("1","10","1","8","9","3","1") = "9"
    & skf18("1","10","1","8","9","4","1") = "9"
    & skf18("1","10","1","8","9","5","1") = "9"
    & skf18("1","10","1","8","9","6","1") = "9"
    & skf18("1","10","1","8","9","7","1") = "9"
    & skf18("1","10","1","8","9","8","1") = "9"
    & skf18("1","10","1","8","9","9","1") = "9"
    & skf18("1","10","1","8","9","10","1") = "9"
    & skf18("1","10","1","8","10","1","1") = "9"
    & skf18("1","10","1","8","10","2","1") = "9"
    & skf18("1","10","1","8","10","3","1") = "9"
    & skf18("1","10","1","8","10","4","1") = "9"
    & skf18("1","10","1","8","10","5","1") = "9"
    & skf18("1","10","1","8","10","6","1") = "9"
    & skf18("1","10","1","8","10","7","1") = "9"
    & skf18("1","10","1","8","10","8","1") = "9"
    & skf18("1","10","1","8","10","9","1") = "9"
    & skf18("1","10","1","8","10","10","1") = "9"
    & skf18("1","10","1","9","1","1","1") = "9"
    & skf18("1","10","1","9","1","2","1") = "9"
    & skf18("1","10","1","9","1","3","1") = "9"
    & skf18("1","10","1","9","1","4","1") = "9"
    & skf18("1","10","1","9","1","5","1") = "9"
    & skf18("1","10","1","9","1","6","1") = "9"
    & skf18("1","10","1","9","1","7","1") = "9"
    & skf18("1","10","1","9","1","8","1") = "9"
    & skf18("1","10","1","9","1","9","1") = "9"
    & skf18("1","10","1","9","1","10","1") = "9"
    & skf18("1","10","1","9","2","1","1") = "9"
    & skf18("1","10","1","9","2","2","1") = "9"
    & skf18("1","10","1","9","2","3","1") = "9"
    & skf18("1","10","1","9","2","4","1") = "9"
    & skf18("1","10","1","9","2","5","1") = "9"
    & skf18("1","10","1","9","2","6","1") = "9"
    & skf18("1","10","1","9","2","7","1") = "9"
    & skf18("1","10","1","9","2","8","1") = "9"
    & skf18("1","10","1","9","2","9","1") = "9"
    & skf18("1","10","1","9","2","10","1") = "9"
    & skf18("1","10","1","9","3","1","1") = "9"
    & skf18("1","10","1","9","3","2","1") = "9"
    & skf18("1","10","1","9","3","3","1") = "9"
    & skf18("1","10","1","9","3","4","1") = "9"
    & skf18("1","10","1","9","3","5","1") = "9"
    & skf18("1","10","1","9","3","6","1") = "9"
    & skf18("1","10","1","9","3","7","1") = "9"
    & skf18("1","10","1","9","3","8","1") = "9"
    & skf18("1","10","1","9","3","9","1") = "9"
    & skf18("1","10","1","9","3","10","1") = "9"
    & skf18("1","10","1","9","4","1","1") = "9"
    & skf18("1","10","1","9","4","2","1") = "9"
    & skf18("1","10","1","9","4","3","1") = "9"
    & skf18("1","10","1","9","4","4","1") = "9"
    & skf18("1","10","1","9","4","5","1") = "9"
    & skf18("1","10","1","9","4","6","1") = "9"
    & skf18("1","10","1","9","4","7","1") = "9"
    & skf18("1","10","1","9","4","8","1") = "9"
    & skf18("1","10","1","9","4","9","1") = "9"
    & skf18("1","10","1","9","4","10","1") = "9"
    & skf18("1","10","1","9","5","1","1") = "9"
    & skf18("1","10","1","9","5","2","1") = "9"
    & skf18("1","10","1","9","5","3","1") = "9"
    & skf18("1","10","1","9","5","4","1") = "9"
    & skf18("1","10","1","9","5","5","1") = "9"
    & skf18("1","10","1","9","5","6","1") = "9"
    & skf18("1","10","1","9","5","7","1") = "9"
    & skf18("1","10","1","9","5","8","1") = "9"
    & skf18("1","10","1","9","5","9","1") = "9"
    & skf18("1","10","1","9","5","10","1") = "9"
    & skf18("1","10","1","9","6","1","1") = "9"
    & skf18("1","10","1","9","6","2","1") = "9"
    & skf18("1","10","1","9","6","3","1") = "9"
    & skf18("1","10","1","9","6","4","1") = "9"
    & skf18("1","10","1","9","6","5","1") = "9"
    & skf18("1","10","1","9","6","6","1") = "9"
    & skf18("1","10","1","9","6","7","1") = "9"
    & skf18("1","10","1","9","6","8","1") = "9"
    & skf18("1","10","1","9","6","9","1") = "9"
    & skf18("1","10","1","9","6","10","1") = "9"
    & skf18("1","10","1","9","7","1","1") = "9"
    & skf18("1","10","1","9","7","2","1") = "9"
    & skf18("1","10","1","9","7","3","1") = "9"
    & skf18("1","10","1","9","7","4","1") = "9"
    & skf18("1","10","1","9","7","5","1") = "9"
    & skf18("1","10","1","9","7","6","1") = "9"
    & skf18("1","10","1","9","7","7","1") = "9"
    & skf18("1","10","1","9","7","8","1") = "9"
    & skf18("1","10","1","9","7","9","1") = "9"
    & skf18("1","10","1","9","7","10","1") = "9"
    & skf18("1","10","1","9","8","1","1") = "9"
    & skf18("1","10","1","9","8","2","1") = "9"
    & skf18("1","10","1","9","8","3","1") = "9"
    & skf18("1","10","1","9","8","4","1") = "9"
    & skf18("1","10","1","9","8","5","1") = "9"
    & skf18("1","10","1","9","8","6","1") = "9"
    & skf18("1","10","1","9","8","7","1") = "9"
    & skf18("1","10","1","9","8","8","1") = "9"
    & skf18("1","10","1","9","8","9","1") = "9"
    & skf18("1","10","1","9","8","10","1") = "9"
    & skf18("1","10","1","9","9","1","1") = "9"
    & skf18("1","10","1","9","9","2","1") = "9"
    & skf18("1","10","1","9","9","3","1") = "9"
    & skf18("1","10","1","9","9","4","1") = "9"
    & skf18("1","10","1","9","9","5","1") = "9"
    & skf18("1","10","1","9","9","6","1") = "9"
    & skf18("1","10","1","9","9","7","1") = "9"
    & skf18("1","10","1","9","9","8","1") = "9"
    & skf18("1","10","1","9","9","9","1") = "9"
    & skf18("1","10","1","9","9","10","1") = "9"
    & skf18("1","10","1","9","10","1","1") = "9"
    & skf18("1","10","1","9","10","2","1") = "9"
    & skf18("1","10","1","9","10","3","1") = "9"
    & skf18("1","10","1","9","10","4","1") = "9"
    & skf18("1","10","1","9","10","5","1") = "9"
    & skf18("1","10","1","9","10","6","1") = "9"
    & skf18("1","10","1","9","10","7","1") = "9"
    & skf18("1","10","1","9","10","8","1") = "9"
    & skf18("1","10","1","9","10","9","1") = "9"
    & skf18("1","10","1","9","10","10","1") = "9"
    & skf18("1","10","1","10","1","1","1") = "9"
    & skf18("1","10","1","10","1","2","1") = "9"
    & skf18("1","10","1","10","1","3","1") = "9"
    & skf18("1","10","1","10","1","4","1") = "9"
    & skf18("1","10","1","10","1","5","1") = "9"
    & skf18("1","10","1","10","1","6","1") = "9"
    & skf18("1","10","1","10","1","7","1") = "9"
    & skf18("1","10","1","10","1","8","1") = "9"
    & skf18("1","10","1","10","1","9","1") = "9"
    & skf18("1","10","1","10","1","10","1") = "9"
    & skf18("1","10","1","10","2","1","1") = "9"
    & skf18("1","10","1","10","2","2","1") = "9"
    & skf18("1","10","1","10","2","3","1") = "9"
    & skf18("1","10","1","10","2","4","1") = "9"
    & skf18("1","10","1","10","2","5","1") = "9"
    & skf18("1","10","1","10","2","6","1") = "9"
    & skf18("1","10","1","10","2","7","1") = "9"
    & skf18("1","10","1","10","2","8","1") = "9"
    & skf18("1","10","1","10","2","9","1") = "9"
    & skf18("1","10","1","10","2","10","1") = "9"
    & skf18("1","10","1","10","3","1","1") = "9"
    & skf18("1","10","1","10","3","2","1") = "9"
    & skf18("1","10","1","10","3","3","1") = "9"
    & skf18("1","10","1","10","3","4","1") = "9"
    & skf18("1","10","1","10","3","5","1") = "9"
    & skf18("1","10","1","10","3","6","1") = "9"
    & skf18("1","10","1","10","3","7","1") = "9"
    & skf18("1","10","1","10","3","8","1") = "9"
    & skf18("1","10","1","10","3","9","1") = "9"
    & skf18("1","10","1","10","3","10","1") = "9"
    & skf18("1","10","1","10","4","1","1") = "9"
    & skf18("1","10","1","10","4","2","1") = "9"
    & skf18("1","10","1","10","4","3","1") = "9"
    & skf18("1","10","1","10","4","4","1") = "9"
    & skf18("1","10","1","10","4","5","1") = "9"
    & skf18("1","10","1","10","4","6","1") = "9"
    & skf18("1","10","1","10","4","7","1") = "9"
    & skf18("1","10","1","10","4","8","1") = "9"
    & skf18("1","10","1","10","4","9","1") = "9"
    & skf18("1","10","1","10","4","10","1") = "9"
    & skf18("1","10","1","10","5","1","1") = "9"
    & skf18("1","10","1","10","5","2","1") = "9"
    & skf18("1","10","1","10","5","3","1") = "9"
    & skf18("1","10","1","10","5","4","1") = "9"
    & skf18("1","10","1","10","5","5","1") = "9"
    & skf18("1","10","1","10","5","6","1") = "9"
    & skf18("1","10","1","10","5","7","1") = "9"
    & skf18("1","10","1","10","5","8","1") = "9"
    & skf18("1","10","1","10","5","9","1") = "9"
    & skf18("1","10","1","10","5","10","1") = "9"
    & skf18("1","10","1","10","6","1","1") = "9"
    & skf18("1","10","1","10","6","2","1") = "9"
    & skf18("1","10","1","10","6","3","1") = "9"
    & skf18("1","10","1","10","6","4","1") = "9"
    & skf18("1","10","1","10","6","5","1") = "9"
    & skf18("1","10","1","10","6","6","1") = "9"
    & skf18("1","10","1","10","6","7","1") = "9"
    & skf18("1","10","1","10","6","8","1") = "9"
    & skf18("1","10","1","10","6","9","1") = "9"
    & skf18("1","10","1","10","6","10","1") = "9"
    & skf18("1","10","1","10","7","1","1") = "9"
    & skf18("1","10","1","10","7","2","1") = "9"
    & skf18("1","10","1","10","7","3","1") = "9"
    & skf18("1","10","1","10","7","4","1") = "9"
    & skf18("1","10","1","10","7","5","1") = "9"
    & skf18("1","10","1","10","7","6","1") = "9"
    & skf18("1","10","1","10","7","7","1") = "9"
    & skf18("1","10","1","10","7","8","1") = "9"
    & skf18("1","10","1","10","7","9","1") = "9"
    & skf18("1","10","1","10","7","10","1") = "9"
    & skf18("1","10","1","10","8","1","1") = "9"
    & skf18("1","10","1","10","8","2","1") = "9"
    & skf18("1","10","1","10","8","3","1") = "9"
    & skf18("1","10","1","10","8","4","1") = "9"
    & skf18("1","10","1","10","8","5","1") = "9"
    & skf18("1","10","1","10","8","6","1") = "9"
    & skf18("1","10","1","10","8","7","1") = "9"
    & skf18("1","10","1","10","8","8","1") = "9"
    & skf18("1","10","1","10","8","9","1") = "9"
    & skf18("1","10","1","10","8","10","1") = "9"
    & skf18("1","10","1","10","9","1","1") = "9"
    & skf18("1","10","1","10","9","2","1") = "9"
    & skf18("1","10","1","10","9","3","1") = "9"
    & skf18("1","10","1","10","9","4","1") = "9"
    & skf18("1","10","1","10","9","5","1") = "9"
    & skf18("1","10","1","10","9","6","1") = "9"
    & skf18("1","10","1","10","9","7","1") = "9"
    & skf18("1","10","1","10","9","8","1") = "9"
    & skf18("1","10","1","10","9","9","1") = "9"
    & skf18("1","10","1","10","9","10","1") = "9"
    & skf18("1","10","1","10","10","1","1") = "9"
    & skf18("1","10","1","10","10","2","1") = "9"
    & skf18("1","10","1","10","10","3","1") = "9"
    & skf18("1","10","1","10","10","4","1") = "9"
    & skf18("1","10","1","10","10","5","1") = "9"
    & skf18("1","10","1","10","10","6","1") = "9"
    & skf18("1","10","1","10","10","7","1") = "9"
    & skf18("1","10","1","10","10","8","1") = "9"
    & skf18("1","10","1","10","10","9","1") = "9"
    & skf18("1","10","1","10","10","10","1") = "9"
    & skf18("1","10","2","1","1","1","1") = "9"
    & skf18("1","10","2","1","1","2","1") = "9"
    & skf18("1","10","2","1","1","3","1") = "9"
    & skf18("1","10","2","1","1","4","1") = "9"
    & skf18("1","10","2","1","1","5","1") = "9"
    & skf18("1","10","2","1","1","6","1") = "9"
    & skf18("1","10","2","1","1","7","1") = "9"
    & skf18("1","10","2","1","1","8","1") = "9"
    & skf18("1","10","2","1","1","9","1") = "9"
    & skf18("1","10","2","1","1","10","1") = "9"
    & skf18("1","10","2","1","2","1","1") = "9"
    & skf18("1","10","2","1","2","2","1") = "9"
    & skf18("1","10","2","1","2","3","1") = "9"
    & skf18("1","10","2","1","2","4","1") = "9"
    & skf18("1","10","2","1","2","5","1") = "9"
    & skf18("1","10","2","1","2","6","1") = "9"
    & skf18("1","10","2","1","2","7","1") = "9"
    & skf18("1","10","2","1","2","8","1") = "9"
    & skf18("1","10","2","1","2","9","1") = "9"
    & skf18("1","10","2","1","2","10","1") = "9"
    & skf18("1","10","2","1","3","1","1") = "9"
    & skf18("1","10","2","1","3","2","1") = "9"
    & skf18("1","10","2","1","3","3","1") = "9"
    & skf18("1","10","2","1","3","4","1") = "9"
    & skf18("1","10","2","1","3","5","1") = "9"
    & skf18("1","10","2","1","3","6","1") = "9"
    & skf18("1","10","2","1","3","7","1") = "9"
    & skf18("1","10","2","1","3","8","1") = "9"
    & skf18("1","10","2","1","3","9","1") = "9"
    & skf18("1","10","2","1","3","10","1") = "9"
    & skf18("1","10","2","1","4","1","1") = "9"
    & skf18("1","10","2","1","4","2","1") = "9"
    & skf18("1","10","2","1","4","3","1") = "9"
    & skf18("1","10","2","1","4","4","1") = "9"
    & skf18("1","10","2","1","4","5","1") = "9"
    & skf18("1","10","2","1","4","6","1") = "9"
    & skf18("1","10","2","1","4","7","1") = "9"
    & skf18("1","10","2","1","4","8","1") = "9"
    & skf18("1","10","2","1","4","9","1") = "9"
    & skf18("1","10","2","1","4","10","1") = "9"
    & skf18("1","10","2","1","5","1","1") = "9"
    & skf18("1","10","2","1","5","2","1") = "9"
    & skf18("1","10","2","1","5","3","1") = "9"
    & skf18("1","10","2","1","5","4","1") = "9"
    & skf18("1","10","2","1","5","5","1") = "9"
    & skf18("1","10","2","1","5","6","1") = "9"
    & skf18("1","10","2","1","5","7","1") = "9"
    & skf18("1","10","2","1","5","8","1") = "9"
    & skf18("1","10","2","1","5","9","1") = "9"
    & skf18("1","10","2","1","5","10","1") = "9"
    & skf18("1","10","2","1","6","1","1") = "9"
    & skf18("1","10","2","1","6","2","1") = "9"
    & skf18("1","10","2","1","6","3","1") = "9"
    & skf18("1","10","2","1","6","4","1") = "9"
    & skf18("1","10","2","1","6","5","1") = "9"
    & skf18("1","10","2","1","6","6","1") = "9"
    & skf18("1","10","2","1","6","7","1") = "9"
    & skf18("1","10","2","1","6","8","1") = "9"
    & skf18("1","10","2","1","6","9","1") = "9"
    & skf18("1","10","2","1","6","10","1") = "9"
    & skf18("1","10","2","1","7","1","1") = "9"
    & skf18("1","10","2","1","7","2","1") = "9"
    & skf18("1","10","2","1","7","3","1") = "9"
    & skf18("1","10","2","1","7","4","1") = "9"
    & skf18("1","10","2","1","7","5","1") = "9"
    & skf18("1","10","2","1","7","6","1") = "9"
    & skf18("1","10","2","1","7","7","1") = "9"
    & skf18("1","10","2","1","7","8","1") = "9"
    & skf18("1","10","2","1","7","9","1") = "9"
    & skf18("1","10","2","1","7","10","1") = "9"
    & skf18("1","10","2","1","8","1","1") = "9"
    & skf18("1","10","2","1","8","2","1") = "9"
    & skf18("1","10","2","1","8","3","1") = "9"
    & skf18("1","10","2","1","8","4","1") = "9"
    & skf18("1","10","2","1","8","5","1") = "9"
    & skf18("1","10","2","1","8","6","1") = "9"
    & skf18("1","10","2","1","8","7","1") = "9"
    & skf18("1","10","2","1","8","8","1") = "9"
    & skf18("1","10","2","1","8","9","1") = "9"
    & skf18("1","10","2","1","8","10","1") = "9"
    & skf18("1","10","2","1","9","1","1") = "9"
    & skf18("1","10","2","1","9","2","1") = "9"
    & skf18("1","10","2","1","9","3","1") = "9"
    & skf18("1","10","2","1","9","4","1") = "9"
    & skf18("1","10","2","1","9","5","1") = "9"
    & skf18("1","10","2","1","9","6","1") = "9"
    & skf18("1","10","2","1","9","7","1") = "9"
    & skf18("1","10","2","1","9","8","1") = "9"
    & skf18("1","10","2","1","9","9","1") = "9"
    & skf18("1","10","2","1","9","10","1") = "9"
    & skf18("1","10","2","1","10","1","1") = "9"
    & skf18("1","10","2","1","10","2","1") = "9"
    & skf18("1","10","2","1","10","3","1") = "9"
    & skf18("1","10","2","1","10","4","1") = "9"
    & skf18("1","10","2","1","10","5","1") = "9"
    & skf18("1","10","2","1","10","6","1") = "9"
    & skf18("1","10","2","1","10","7","1") = "9"
    & skf18("1","10","2","1","10","8","1") = "9"
    & skf18("1","10","2","1","10","9","1") = "9"
    & skf18("1","10","2","1","10","10","1") = "9"
    & skf18("1","10","2","2","1","1","1") = "9"
    & skf18("1","10","2","2","1","2","1") = "9"
    & skf18("1","10","2","2","1","3","1") = "9"
    & skf18("1","10","2","2","1","4","1") = "9"
    & skf18("1","10","2","2","1","5","1") = "9"
    & skf18("1","10","2","2","1","6","1") = "9"
    & skf18("1","10","2","2","1","7","1") = "9"
    & skf18("1","10","2","2","1","8","1") = "9"
    & skf18("1","10","2","2","1","9","1") = "9"
    & skf18("1","10","2","2","1","10","1") = "9"
    & skf18("1","10","2","2","2","1","1") = "9"
    & skf18("1","10","2","2","2","2","1") = "9"
    & skf18("1","10","2","2","2","3","1") = "9"
    & skf18("1","10","2","2","2","4","1") = "9"
    & skf18("1","10","2","2","2","5","1") = "9"
    & skf18("1","10","2","2","2","6","1") = "9"
    & skf18("1","10","2","2","2","7","1") = "9"
    & skf18("1","10","2","2","2","8","1") = "9"
    & skf18("1","10","2","2","2","9","1") = "9"
    & skf18("1","10","2","2","2","10","1") = "9"
    & skf18("1","10","2","2","3","1","1") = "9"
    & skf18("1","10","2","2","3","2","1") = "9"
    & skf18("1","10","2","2","3","3","1") = "9"
    & skf18("1","10","2","2","3","4","1") = "9"
    & skf18("1","10","2","2","3","5","1") = "9"
    & skf18("1","10","2","2","3","6","1") = "9"
    & skf18("1","10","2","2","3","7","1") = "9"
    & skf18("1","10","2","2","3","8","1") = "9"
    & skf18("1","10","2","2","3","9","1") = "9"
    & skf18("1","10","2","2","3","10","1") = "9"
    & skf18("1","10","2","2","4","1","1") = "9"
    & skf18("1","10","2","2","4","2","1") = "9"
    & skf18("1","10","2","2","4","3","1") = "9"
    & skf18("1","10","2","2","4","4","1") = "9"
    & skf18("1","10","2","2","4","5","1") = "9"
    & skf18("1","10","2","2","4","6","1") = "9"
    & skf18("1","10","2","2","4","7","1") = "9"
    & skf18("1","10","2","2","4","8","1") = "9"
    & skf18("1","10","2","2","4","9","1") = "9"
    & skf18("1","10","2","2","4","10","1") = "9"
    & skf18("1","10","2","2","5","1","1") = "9"
    & skf18("1","10","2","2","5","2","1") = "9"
    & skf18("1","10","2","2","5","3","1") = "9"
    & skf18("1","10","2","2","5","4","1") = "9"
    & skf18("1","10","2","2","5","5","1") = "9"
    & skf18("1","10","2","2","5","6","1") = "9"
    & skf18("1","10","2","2","5","7","1") = "9"
    & skf18("1","10","2","2","5","8","1") = "9"
    & skf18("1","10","2","2","5","9","1") = "9"
    & skf18("1","10","2","2","5","10","1") = "9"
    & skf18("1","10","2","2","6","1","1") = "9"
    & skf18("1","10","2","2","6","2","1") = "9"
    & skf18("1","10","2","2","6","3","1") = "9"
    & skf18("1","10","2","2","6","4","1") = "9"
    & skf18("1","10","2","2","6","5","1") = "9"
    & skf18("1","10","2","2","6","6","1") = "9"
    & skf18("1","10","2","2","6","7","1") = "9"
    & skf18("1","10","2","2","6","8","1") = "9"
    & skf18("1","10","2","2","6","9","1") = "9"
    & skf18("1","10","2","2","6","10","1") = "9"
    & skf18("1","10","2","2","7","1","1") = "9"
    & skf18("1","10","2","2","7","2","1") = "9"
    & skf18("1","10","2","2","7","3","1") = "9"
    & skf18("1","10","2","2","7","4","1") = "9"
    & skf18("1","10","2","2","7","5","1") = "9"
    & skf18("1","10","2","2","7","6","1") = "9"
    & skf18("1","10","2","2","7","7","1") = "9"
    & skf18("1","10","2","2","7","8","1") = "9"
    & skf18("1","10","2","2","7","9","1") = "9"
    & skf18("1","10","2","2","7","10","1") = "9"
    & skf18("1","10","2","2","8","1","1") = "9"
    & skf18("1","10","2","2","8","2","1") = "9"
    & skf18("1","10","2","2","8","3","1") = "9"
    & skf18("1","10","2","2","8","4","1") = "9"
    & skf18("1","10","2","2","8","5","1") = "9"
    & skf18("1","10","2","2","8","6","1") = "9"
    & skf18("1","10","2","2","8","7","1") = "9"
    & skf18("1","10","2","2","8","8","1") = "9"
    & skf18("1","10","2","2","8","9","1") = "9"
    & skf18("1","10","2","2","8","10","1") = "9"
    & skf18("1","10","2","2","9","1","1") = "9"
    & skf18("1","10","2","2","9","2","1") = "9"
    & skf18("1","10","2","2","9","3","1") = "9"
    & skf18("1","10","2","2","9","4","1") = "9"
    & skf18("1","10","2","2","9","5","1") = "9"
    & skf18("1","10","2","2","9","6","1") = "9"
    & skf18("1","10","2","2","9","7","1") = "9"
    & skf18("1","10","2","2","9","8","1") = "9"
    & skf18("1","10","2","2","9","9","1") = "9"
    & skf18("1","10","2","2","9","10","1") = "9"
    & skf18("1","10","2","2","10","1","1") = "9"
    & skf18("1","10","2","2","10","2","1") = "9"
    & skf18("1","10","2","2","10","3","1") = "9"
    & skf18("1","10","2","2","10","4","1") = "9"
    & skf18("1","10","2","2","10","5","1") = "9"
    & skf18("1","10","2","2","10","6","1") = "9"
    & skf18("1","10","2","2","10","7","1") = "9"
    & skf18("1","10","2","2","10","8","1") = "9"
    & skf18("1","10","2","2","10","9","1") = "9"
    & skf18("1","10","2","2","10","10","1") = "9"
    & skf18("1","10","2","3","1","1","1") = "9"
    & skf18("1","10","2","3","1","2","1") = "9"
    & skf18("1","10","2","3","1","3","1") = "9"
    & skf18("1","10","2","3","1","4","1") = "9"
    & skf18("1","10","2","3","1","5","1") = "9"
    & skf18("1","10","2","3","1","6","1") = "9"
    & skf18("1","10","2","3","1","7","1") = "9"
    & skf18("1","10","2","3","1","8","1") = "9"
    & skf18("1","10","2","3","1","9","1") = "9"
    & skf18("1","10","2","3","1","10","1") = "9"
    & skf18("1","10","2","3","2","1","1") = "9"
    & skf18("1","10","2","3","2","2","1") = "9"
    & skf18("1","10","2","3","2","3","1") = "9"
    & skf18("1","10","2","3","2","4","1") = "9"
    & skf18("1","10","2","3","2","5","1") = "9"
    & skf18("1","10","2","3","2","6","1") = "9"
    & skf18("1","10","2","3","2","7","1") = "9"
    & skf18("1","10","2","3","2","8","1") = "9"
    & skf18("1","10","2","3","2","9","1") = "9"
    & skf18("1","10","2","3","2","10","1") = "9"
    & skf18("1","10","2","3","3","1","1") = "9"
    & skf18("1","10","2","3","3","2","1") = "9"
    & skf18("1","10","2","3","3","3","1") = "9"
    & skf18("1","10","2","3","3","4","1") = "9"
    & skf18("1","10","2","3","3","5","1") = "9"
    & skf18("1","10","2","3","3","6","1") = "9"
    & skf18("1","10","2","3","3","7","1") = "9"
    & skf18("1","10","2","3","3","8","1") = "9"
    & skf18("1","10","2","3","3","9","1") = "9"
    & skf18("1","10","2","3","3","10","1") = "9"
    & skf18("1","10","2","3","4","1","1") = "9"
    & skf18("1","10","2","3","4","2","1") = "9"
    & skf18("1","10","2","3","4","3","1") = "9"
    & skf18("1","10","2","3","4","4","1") = "9"
    & skf18("1","10","2","3","4","5","1") = "9"
    & skf18("1","10","2","3","4","6","1") = "9"
    & skf18("1","10","2","3","4","7","1") = "9"
    & skf18("1","10","2","3","4","8","1") = "9"
    & skf18("1","10","2","3","4","9","1") = "9"
    & skf18("1","10","2","3","4","10","1") = "9"
    & skf18("1","10","2","3","5","1","1") = "9"
    & skf18("1","10","2","3","5","2","1") = "9"
    & skf18("1","10","2","3","5","3","1") = "9"
    & skf18("1","10","2","3","5","4","1") = "9"
    & skf18("1","10","2","3","5","5","1") = "9"
    & skf18("1","10","2","3","5","6","1") = "9"
    & skf18("1","10","2","3","5","7","1") = "9"
    & skf18("1","10","2","3","5","8","1") = "9"
    & skf18("1","10","2","3","5","9","1") = "9"
    & skf18("1","10","2","3","5","10","1") = "9"
    & skf18("1","10","2","3","6","1","1") = "9"
    & skf18("1","10","2","3","6","2","1") = "9"
    & skf18("1","10","2","3","6","3","1") = "9"
    & skf18("1","10","2","3","6","4","1") = "9"
    & skf18("1","10","2","3","6","5","1") = "9"
    & skf18("1","10","2","3","6","6","1") = "9"
    & skf18("1","10","2","3","6","7","1") = "9"
    & skf18("1","10","2","3","6","8","1") = "9"
    & skf18("1","10","2","3","6","9","1") = "9"
    & skf18("1","10","2","3","6","10","1") = "9"
    & skf18("1","10","2","3","7","1","1") = "9"
    & skf18("1","10","2","3","7","2","1") = "9"
    & skf18("1","10","2","3","7","3","1") = "9"
    & skf18("1","10","2","3","7","4","1") = "9"
    & skf18("1","10","2","3","7","5","1") = "9"
    & skf18("1","10","2","3","7","6","1") = "9"
    & skf18("1","10","2","3","7","7","1") = "9"
    & skf18("1","10","2","3","7","8","1") = "9"
    & skf18("1","10","2","3","7","9","1") = "9"
    & skf18("1","10","2","3","7","10","1") = "9"
    & skf18("1","10","2","3","8","1","1") = "9"
    & skf18("1","10","2","3","8","2","1") = "9"
    & skf18("1","10","2","3","8","3","1") = "9"
    & skf18("1","10","2","3","8","4","1") = "9"
    & skf18("1","10","2","3","8","5","1") = "9"
    & skf18("1","10","2","3","8","6","1") = "9"
    & skf18("1","10","2","3","8","7","1") = "9"
    & skf18("1","10","2","3","8","8","1") = "9"
    & skf18("1","10","2","3","8","9","1") = "9"
    & skf18("1","10","2","3","8","10","1") = "9"
    & skf18("1","10","2","3","9","1","1") = "9"
    & skf18("1","10","2","3","9","2","1") = "9"
    & skf18("1","10","2","3","9","3","1") = "9"
    & skf18("1","10","2","3","9","4","1") = "9"
    & skf18("1","10","2","3","9","5","1") = "9"
    & skf18("1","10","2","3","9","6","1") = "9"
    & skf18("1","10","2","3","9","7","1") = "9"
    & skf18("1","10","2","3","9","8","1") = "9"
    & skf18("1","10","2","3","9","9","1") = "9"
    & skf18("1","10","2","3","9","10","1") = "9"
    & skf18("1","10","2","3","10","1","1") = "9"
    & skf18("1","10","2","3","10","2","1") = "9"
    & skf18("1","10","2","3","10","3","1") = "9"
    & skf18("1","10","2","3","10","4","1") = "9"
    & skf18("1","10","2","3","10","5","1") = "9"
    & skf18("1","10","2","3","10","6","1") = "9"
    & skf18("1","10","2","3","10","7","1") = "9"
    & skf18("1","10","2","3","10","8","1") = "9"
    & skf18("1","10","2","3","10","9","1") = "9"
    & skf18("1","10","2","3","10","10","1") = "9"
    & skf18("1","10","2","4","1","1","1") = "9"
    & skf18("1","10","2","4","1","2","1") = "9"
    & skf18("1","10","2","4","1","3","1") = "9"
    & skf18("1","10","2","4","1","4","1") = "9"
    & skf18("1","10","2","4","1","5","1") = "9"
    & skf18("1","10","2","4","1","6","1") = "9"
    & skf18("1","10","2","4","1","7","1") = "9"
    & skf18("1","10","2","4","1","8","1") = "9"
    & skf18("1","10","2","4","1","9","1") = "9"
    & skf18("1","10","2","4","1","10","1") = "9"
    & skf18("1","10","2","4","2","1","1") = "9"
    & skf18("1","10","2","4","2","2","1") = "9"
    & skf18("1","10","2","4","2","3","1") = "9"
    & skf18("1","10","2","4","2","4","1") = "9"
    & skf18("1","10","2","4","2","5","1") = "9"
    & skf18("1","10","2","4","2","6","1") = "9"
    & skf18("1","10","2","4","2","7","1") = "9"
    & skf18("1","10","2","4","2","8","1") = "9"
    & skf18("1","10","2","4","2","9","1") = "9"
    & skf18("1","10","2","4","2","10","1") = "9"
    & skf18("1","10","2","4","3","1","1") = "9"
    & skf18("1","10","2","4","3","2","1") = "9"
    & skf18("1","10","2","4","3","3","1") = "9"
    & skf18("1","10","2","4","3","4","1") = "9"
    & skf18("1","10","2","4","3","5","1") = "9"
    & skf18("1","10","2","4","3","6","1") = "9"
    & skf18("1","10","2","4","3","7","1") = "9"
    & skf18("1","10","2","4","3","8","1") = "9"
    & skf18("1","10","2","4","3","9","1") = "9"
    & skf18("1","10","2","4","3","10","1") = "9"
    & skf18("1","10","2","4","4","1","1") = "9"
    & skf18("1","10","2","4","4","2","1") = "9"
    & skf18("1","10","2","4","4","3","1") = "9"
    & skf18("1","10","2","4","4","4","1") = "9"
    & skf18("1","10","2","4","4","5","1") = "9"
    & skf18("1","10","2","4","4","6","1") = "9"
    & skf18("1","10","2","4","4","7","1") = "9"
    & skf18("1","10","2","4","4","8","1") = "9"
    & skf18("1","10","2","4","4","9","1") = "9"
    & skf18("1","10","2","4","4","10","1") = "9"
    & skf18("1","10","2","4","5","1","1") = "9"
    & skf18("1","10","2","4","5","2","1") = "9"
    & skf18("1","10","2","4","5","3","1") = "9"
    & skf18("1","10","2","4","5","4","1") = "9"
    & skf18("1","10","2","4","5","5","1") = "9"
    & skf18("1","10","2","4","5","6","1") = "9"
    & skf18("1","10","2","4","5","7","1") = "9"
    & skf18("1","10","2","4","5","8","1") = "9"
    & skf18("1","10","2","4","5","9","1") = "9"
    & skf18("1","10","2","4","5","10","1") = "9"
    & skf18("1","10","2","4","6","1","1") = "9"
    & skf18("1","10","2","4","6","2","1") = "9"
    & skf18("1","10","2","4","6","3","1") = "9"
    & skf18("1","10","2","4","6","4","1") = "9"
    & skf18("1","10","2","4","6","5","1") = "9"
    & skf18("1","10","2","4","6","6","1") = "9"
    & skf18("1","10","2","4","6","7","1") = "9"
    & skf18("1","10","2","4","6","8","1") = "9"
    & skf18("1","10","2","4","6","9","1") = "9"
    & skf18("1","10","2","4","6","10","1") = "9"
    & skf18("1","10","2","4","7","1","1") = "9"
    & skf18("1","10","2","4","7","2","1") = "9"
    & skf18("1","10","2","4","7","3","1") = "9"
    & skf18("1","10","2","4","7","4","1") = "9"
    & skf18("1","10","2","4","7","5","1") = "9"
    & skf18("1","10","2","4","7","6","1") = "9"
    & skf18("1","10","2","4","7","7","1") = "9"
    & skf18("1","10","2","4","7","8","1") = "9"
    & skf18("1","10","2","4","7","9","1") = "9"
    & skf18("1","10","2","4","7","10","1") = "9"
    & skf18("1","10","2","4","8","1","1") = "9"
    & skf18("1","10","2","4","8","2","1") = "9"
    & skf18("1","10","2","4","8","3","1") = "9"
    & skf18("1","10","2","4","8","4","1") = "9"
    & skf18("1","10","2","4","8","5","1") = "9"
    & skf18("1","10","2","4","8","6","1") = "9"
    & skf18("1","10","2","4","8","7","1") = "9"
    & skf18("1","10","2","4","8","8","1") = "9"
    & skf18("1","10","2","4","8","9","1") = "9"
    & skf18("1","10","2","4","8","10","1") = "9"
    & skf18("1","10","2","4","9","1","1") = "9"
    & skf18("1","10","2","4","9","2","1") = "9"
    & skf18("1","10","2","4","9","3","1") = "9"
    & skf18("1","10","2","4","9","4","1") = "9"
    & skf18("1","10","2","4","9","5","1") = "9"
    & skf18("1","10","2","4","9","6","1") = "9"
    & skf18("1","10","2","4","9","7","1") = "9"
    & skf18("1","10","2","4","9","8","1") = "9"
    & skf18("1","10","2","4","9","9","1") = "9"
    & skf18("1","10","2","4","9","10","1") = "9"
    & skf18("1","10","2","4","10","1","1") = "9"
    & skf18("1","10","2","4","10","2","1") = "9"
    & skf18("1","10","2","4","10","3","1") = "9"
    & skf18("1","10","2","4","10","4","1") = "9"
    & skf18("1","10","2","4","10","5","1") = "9"
    & skf18("1","10","2","4","10","6","1") = "9"
    & skf18("1","10","2","4","10","7","1") = "9"
    & skf18("1","10","2","4","10","8","1") = "9"
    & skf18("1","10","2","4","10","9","1") = "9"
    & skf18("1","10","2","4","10","10","1") = "9"
    & skf18("1","10","2","5","1","1","1") = "9"
    & skf18("1","10","2","5","1","2","1") = "9"
    & skf18("1","10","2","5","1","3","1") = "9"
    & skf18("1","10","2","5","1","4","1") = "9"
    & skf18("1","10","2","5","1","5","1") = "9"
    & skf18("1","10","2","5","1","6","1") = "9"
    & skf18("1","10","2","5","1","7","1") = "9"
    & skf18("1","10","2","5","1","8","1") = "9"
    & skf18("1","10","2","5","1","9","1") = "9"
    & skf18("1","10","2","5","1","10","1") = "9"
    & skf18("1","10","2","5","2","1","1") = "9"
    & skf18("1","10","2","5","2","2","1") = "9"
    & skf18("1","10","2","5","2","3","1") = "9"
    & skf18("1","10","2","5","2","4","1") = "9"
    & skf18("1","10","2","5","2","5","1") = "9"
    & skf18("1","10","2","5","2","6","1") = "9"
    & skf18("1","10","2","5","2","7","1") = "9"
    & skf18("1","10","2","5","2","8","1") = "9"
    & skf18("1","10","2","5","2","9","1") = "9"
    & skf18("1","10","2","5","2","10","1") = "9"
    & skf18("1","10","2","5","3","1","1") = "9"
    & skf18("1","10","2","5","3","2","1") = "9"
    & skf18("1","10","2","5","3","3","1") = "9"
    & skf18("1","10","2","5","3","4","1") = "9"
    & skf18("1","10","2","5","3","5","1") = "9"
    & skf18("1","10","2","5","3","6","1") = "9"
    & skf18("1","10","2","5","3","7","1") = "9"
    & skf18("1","10","2","5","3","8","1") = "9"
    & skf18("1","10","2","5","3","9","1") = "9"
    & skf18("1","10","2","5","3","10","1") = "9"
    & skf18("1","10","2","5","4","1","1") = "9"
    & skf18("1","10","2","5","4","2","1") = "9"
    & skf18("1","10","2","5","4","3","1") = "9"
    & skf18("1","10","2","5","4","4","1") = "9"
    & skf18("1","10","2","5","4","5","1") = "9"
    & skf18("1","10","2","5","4","6","1") = "9"
    & skf18("1","10","2","5","4","7","1") = "9"
    & skf18("1","10","2","5","4","8","1") = "9"
    & skf18("1","10","2","5","4","9","1") = "9"
    & skf18("1","10","2","5","4","10","1") = "9"
    & skf18("1","10","2","5","5","1","1") = "9"
    & skf18("1","10","2","5","5","2","1") = "9"
    & skf18("1","10","2","5","5","3","1") = "9"
    & skf18("1","10","2","5","5","4","1") = "9"
    & skf18("1","10","2","5","5","5","1") = "9"
    & skf18("1","10","2","5","5","6","1") = "9"
    & skf18("1","10","2","5","5","7","1") = "9"
    & skf18("1","10","2","5","5","8","1") = "9"
    & skf18("1","10","2","5","5","9","1") = "9"
    & skf18("1","10","2","5","5","10","1") = "9"
    & skf18("1","10","2","5","6","1","1") = "9"
    & skf18("1","10","2","5","6","2","1") = "9"
    & skf18("1","10","2","5","6","3","1") = "9"
    & skf18("1","10","2","5","6","4","1") = "9"
    & skf18("1","10","2","5","6","5","1") = "9"
    & skf18("1","10","2","5","6","6","1") = "9"
    & skf18("1","10","2","5","6","7","1") = "9"
    & skf18("1","10","2","5","6","8","1") = "9"
    & skf18("1","10","2","5","6","9","1") = "9"
    & skf18("1","10","2","5","6","10","1") = "9"
    & skf18("1","10","2","5","7","1","1") = "9"
    & skf18("1","10","2","5","7","2","1") = "9"
    & skf18("1","10","2","5","7","3","1") = "9"
    & skf18("1","10","2","5","7","4","1") = "9"
    & skf18("1","10","2","5","7","5","1") = "9"
    & skf18("1","10","2","5","7","6","1") = "9"
    & skf18("1","10","2","5","7","7","1") = "9"
    & skf18("1","10","2","5","7","8","1") = "9"
    & skf18("1","10","2","5","7","9","1") = "9"
    & skf18("1","10","2","5","7","10","1") = "9"
    & skf18("1","10","2","5","8","1","1") = "9"
    & skf18("1","10","2","5","8","2","1") = "9"
    & skf18("1","10","2","5","8","3","1") = "9"
    & skf18("1","10","2","5","8","4","1") = "9"
    & skf18("1","10","2","5","8","5","1") = "9"
    & skf18("1","10","2","5","8","6","1") = "9"
    & skf18("1","10","2","5","8","7","1") = "9"
    & skf18("1","10","2","5","8","8","1") = "9"
    & skf18("1","10","2","5","8","9","1") = "9"
    & skf18("1","10","2","5","8","10","1") = "9"
    & skf18("1","10","2","5","9","1","1") = "9"
    & skf18("1","10","2","5","9","2","1") = "9"
    & skf18("1","10","2","5","9","3","1") = "9"
    & skf18("1","10","2","5","9","4","1") = "9"
    & skf18("1","10","2","5","9","5","1") = "9"
    & skf18("1","10","2","5","9","6","1") = "9"
    & skf18("1","10","2","5","9","7","1") = "9"
    & skf18("1","10","2","5","9","8","1") = "9"
    & skf18("1","10","2","5","9","9","1") = "9"
    & skf18("1","10","2","5","9","10","1") = "9"
    & skf18("1","10","2","5","10","1","1") = "9"
    & skf18("1","10","2","5","10","2","1") = "9"
    & skf18("1","10","2","5","10","3","1") = "9"
    & skf18("1","10","2","5","10","4","1") = "9"
    & skf18("1","10","2","5","10","5","1") = "9"
    & skf18("1","10","2","5","10","6","1") = "9"
    & skf18("1","10","2","5","10","7","1") = "9"
    & skf18("1","10","2","5","10","8","1") = "9"
    & skf18("1","10","2","5","10","9","1") = "9"
    & skf18("1","10","2","5","10","10","1") = "9"
    & skf18("1","10","2","6","1","1","1") = "9"
    & skf18("1","10","2","6","1","2","1") = "9"
    & skf18("1","10","2","6","1","3","1") = "9"
    & skf18("1","10","2","6","1","4","1") = "9"
    & skf18("1","10","2","6","1","5","1") = "9"
    & skf18("1","10","2","6","1","6","1") = "9"
    & skf18("1","10","2","6","1","7","1") = "9"
    & skf18("1","10","2","6","1","8","1") = "9"
    & skf18("1","10","2","6","1","9","1") = "9"
    & skf18("1","10","2","6","1","10","1") = "9"
    & skf18("1","10","2","6","2","1","1") = "9"
    & skf18("1","10","2","6","2","2","1") = "9"
    & skf18("1","10","2","6","2","3","1") = "9"
    & skf18("1","10","2","6","2","4","1") = "9"
    & skf18("1","10","2","6","2","5","1") = "9"
    & skf18("1","10","2","6","2","6","1") = "9"
    & skf18("1","10","2","6","2","7","1") = "9"
    & skf18("1","10","2","6","2","8","1") = "9"
    & skf18("1","10","2","6","2","9","1") = "9"
    & skf18("1","10","2","6","2","10","1") = "9"
    & skf18("1","10","2","6","3","1","1") = "9"
    & skf18("1","10","2","6","3","2","1") = "9"
    & skf18("1","10","2","6","3","3","1") = "9"
    & skf18("1","10","2","6","3","4","1") = "9"
    & skf18("1","10","2","6","3","5","1") = "9"
    & skf18("1","10","2","6","3","6","1") = "9"
    & skf18("1","10","2","6","3","7","1") = "9"
    & skf18("1","10","2","6","3","8","1") = "9"
    & skf18("1","10","2","6","3","9","1") = "9"
    & skf18("1","10","2","6","3","10","1") = "9"
    & skf18("1","10","2","6","4","1","1") = "9"
    & skf18("1","10","2","6","4","2","1") = "9"
    & skf18("1","10","2","6","4","3","1") = "9"
    & skf18("1","10","2","6","4","4","1") = "9"
    & skf18("1","10","2","6","4","5","1") = "9"
    & skf18("1","10","2","6","4","6","1") = "9"
    & skf18("1","10","2","6","4","7","1") = "9"
    & skf18("1","10","2","6","4","8","1") = "9"
    & skf18("1","10","2","6","4","9","1") = "9"
    & skf18("1","10","2","6","4","10","1") = "9"
    & skf18("1","10","2","6","5","1","1") = "9"
    & skf18("1","10","2","6","5","2","1") = "9"
    & skf18("1","10","2","6","5","3","1") = "9"
    & skf18("1","10","2","6","5","4","1") = "9"
    & skf18("1","10","2","6","5","5","1") = "9"
    & skf18("1","10","2","6","5","6","1") = "9"
    & skf18("1","10","2","6","5","7","1") = "9"
    & skf18("1","10","2","6","5","8","1") = "9"
    & skf18("1","10","2","6","5","9","1") = "9"
    & skf18("1","10","2","6","5","10","1") = "9"
    & skf18("1","10","2","6","6","1","1") = "9"
    & skf18("1","10","2","6","6","2","1") = "9"
    & skf18("1","10","2","6","6","3","1") = "9"
    & skf18("1","10","2","6","6","4","1") = "9"
    & skf18("1","10","2","6","6","5","1") = "9"
    & skf18("1","10","2","6","6","6","1") = "9"
    & skf18("1","10","2","6","6","7","1") = "9"
    & skf18("1","10","2","6","6","8","1") = "9"
    & skf18("1","10","2","6","6","9","1") = "9"
    & skf18("1","10","2","6","6","10","1") = "9"
    & skf18("1","10","2","6","7","1","1") = "9"
    & skf18("1","10","2","6","7","2","1") = "9"
    & skf18("1","10","2","6","7","3","1") = "9"
    & skf18("1","10","2","6","7","4","1") = "9"
    & skf18("1","10","2","6","7","5","1") = "9"
    & skf18("1","10","2","6","7","6","1") = "9"
    & skf18("1","10","2","6","7","7","1") = "9"
    & skf18("1","10","2","6","7","8","1") = "9"
    & skf18("1","10","2","6","7","9","1") = "9"
    & skf18("1","10","2","6","7","10","1") = "9"
    & skf18("1","10","2","6","8","1","1") = "9"
    & skf18("1","10","2","6","8","2","1") = "9"
    & skf18("1","10","2","6","8","3","1") = "9"
    & skf18("1","10","2","6","8","4","1") = "9"
    & skf18("1","10","2","6","8","5","1") = "9"
    & skf18("1","10","2","6","8","6","1") = "9"
    & skf18("1","10","2","6","8","7","1") = "9"
    & skf18("1","10","2","6","8","8","1") = "9"
    & skf18("1","10","2","6","8","9","1") = "9"
    & skf18("1","10","2","6","8","10","1") = "9"
    & skf18("1","10","2","6","9","1","1") = "9"
    & skf18("1","10","2","6","9","2","1") = "9"
    & skf18("1","10","2","6","9","3","1") = "9"
    & skf18("1","10","2","6","9","4","1") = "9"
    & skf18("1","10","2","6","9","5","1") = "9"
    & skf18("1","10","2","6","9","6","1") = "9"
    & skf18("1","10","2","6","9","7","1") = "9"
    & skf18("1","10","2","6","9","8","1") = "9"
    & skf18("1","10","2","6","9","9","1") = "9"
    & skf18("1","10","2","6","9","10","1") = "9"
    & skf18("1","10","2","6","10","1","1") = "9"
    & skf18("1","10","2","6","10","2","1") = "9"
    & skf18("1","10","2","6","10","3","1") = "9"
    & skf18("1","10","2","6","10","4","1") = "9"
    & skf18("1","10","2","6","10","5","1") = "9"
    & skf18("1","10","2","6","10","6","1") = "9"
    & skf18("1","10","2","6","10","7","1") = "9"
    & skf18("1","10","2","6","10","8","1") = "9"
    & skf18("1","10","2","6","10","9","1") = "9"
    & skf18("1","10","2","6","10","10","1") = "9"
    & skf18("1","10","2","7","1","1","1") = "9"
    & skf18("1","10","2","7","1","2","1") = "9"
    & skf18("1","10","2","7","1","3","1") = "9"
    & skf18("1","10","2","7","1","4","1") = "9"
    & skf18("1","10","2","7","1","5","1") = "9"
    & skf18("1","10","2","7","1","6","1") = "9"
    & skf18("1","10","2","7","1","7","1") = "9"
    & skf18("1","10","2","7","1","8","1") = "9"
    & skf18("1","10","2","7","1","9","1") = "9"
    & skf18("1","10","2","7","1","10","1") = "9"
    & skf18("1","10","2","7","2","1","1") = "9"
    & skf18("1","10","2","7","2","2","1") = "9"
    & skf18("1","10","2","7","2","3","1") = "9"
    & skf18("1","10","2","7","2","4","1") = "9"
    & skf18("1","10","2","7","2","5","1") = "9"
    & skf18("1","10","2","7","2","6","1") = "9"
    & skf18("1","10","2","7","2","7","1") = "9"
    & skf18("1","10","2","7","2","8","1") = "9"
    & skf18("1","10","2","7","2","9","1") = "9"
    & skf18("1","10","2","7","2","10","1") = "9"
    & skf18("1","10","2","7","3","1","1") = "9"
    & skf18("1","10","2","7","3","2","1") = "9"
    & skf18("1","10","2","7","3","3","1") = "9"
    & skf18("1","10","2","7","3","4","1") = "9"
    & skf18("1","10","2","7","3","5","1") = "9"
    & skf18("1","10","2","7","3","6","1") = "9"
    & skf18("1","10","2","7","3","7","1") = "9"
    & skf18("1","10","2","7","3","8","1") = "9"
    & skf18("1","10","2","7","3","9","1") = "9"
    & skf18("1","10","2","7","3","10","1") = "9"
    & skf18("1","10","2","7","4","1","1") = "9"
    & skf18("1","10","2","7","4","2","1") = "9"
    & skf18("1","10","2","7","4","3","1") = "9"
    & skf18("1","10","2","7","4","4","1") = "9"
    & skf18("1","10","2","7","4","5","1") = "9"
    & skf18("1","10","2","7","4","6","1") = "9"
    & skf18("1","10","2","7","4","7","1") = "9"
    & skf18("1","10","2","7","4","8","1") = "9"
    & skf18("1","10","2","7","4","9","1") = "9"
    & skf18("1","10","2","7","4","10","1") = "9"
    & skf18("1","10","2","7","5","1","1") = "9"
    & skf18("1","10","2","7","5","2","1") = "9"
    & skf18("1","10","2","7","5","3","1") = "9"
    & skf18("1","10","2","7","5","4","1") = "9"
    & skf18("1","10","2","7","5","5","1") = "9"
    & skf18("1","10","2","7","5","6","1") = "9"
    & skf18("1","10","2","7","5","7","1") = "9"
    & skf18("1","10","2","7","5","8","1") = "9"
    & skf18("1","10","2","7","5","9","1") = "9"
    & skf18("1","10","2","7","5","10","1") = "9"
    & skf18("1","10","2","7","6","1","1") = "9"
    & skf18("1","10","2","7","6","2","1") = "9"
    & skf18("1","10","2","7","6","3","1") = "9"
    & skf18("1","10","2","7","6","4","1") = "9"
    & skf18("1","10","2","7","6","5","1") = "9"
    & skf18("1","10","2","7","6","6","1") = "9"
    & skf18("1","10","2","7","6","7","1") = "9"
    & skf18("1","10","2","7","6","8","1") = "9"
    & skf18("1","10","2","7","6","9","1") = "9"
    & skf18("1","10","2","7","6","10","1") = "9"
    & skf18("1","10","2","7","7","1","1") = "9"
    & skf18("1","10","2","7","7","2","1") = "9"
    & skf18("1","10","2","7","7","3","1") = "9"
    & skf18("1","10","2","7","7","4","1") = "9"
    & skf18("1","10","2","7","7","5","1") = "9"
    & skf18("1","10","2","7","7","6","1") = "9"
    & skf18("1","10","2","7","7","7","1") = "9"
    & skf18("1","10","2","7","7","8","1") = "9"
    & skf18("1","10","2","7","7","9","1") = "9"
    & skf18("1","10","2","7","7","10","1") = "9"
    & skf18("1","10","2","7","8","1","1") = "9"
    & skf18("1","10","2","7","8","2","1") = "9"
    & skf18("1","10","2","7","8","3","1") = "9"
    & skf18("1","10","2","7","8","4","1") = "9"
    & skf18("1","10","2","7","8","5","1") = "9"
    & skf18("1","10","2","7","8","6","1") = "9"
    & skf18("1","10","2","7","8","7","1") = "9"
    & skf18("1","10","2","7","8","8","1") = "9"
    & skf18("1","10","2","7","8","9","1") = "9"
    & skf18("1","10","2","7","8","10","1") = "9"
    & skf18("1","10","2","7","9","1","1") = "9"
    & skf18("1","10","2","7","9","2","1") = "9"
    & skf18("1","10","2","7","9","3","1") = "9"
    & skf18("1","10","2","7","9","4","1") = "9"
    & skf18("1","10","2","7","9","5","1") = "9"
    & skf18("1","10","2","7","9","6","1") = "9"
    & skf18("1","10","2","7","9","7","1") = "9"
    & skf18("1","10","2","7","9","8","1") = "9"
    & skf18("1","10","2","7","9","9","1") = "9"
    & skf18("1","10","2","7","9","10","1") = "9"
    & skf18("1","10","2","7","10","1","1") = "9"
    & skf18("1","10","2","7","10","2","1") = "9"
    & skf18("1","10","2","7","10","3","1") = "9"
    & skf18("1","10","2","7","10","4","1") = "9"
    & skf18("1","10","2","7","10","5","1") = "9"
    & skf18("1","10","2","7","10","6","1") = "9"
    & skf18("1","10","2","7","10","7","1") = "9"
    & skf18("1","10","2","7","10","8","1") = "9"
    & skf18("1","10","2","7","10","9","1") = "9"
    & skf18("1","10","2","7","10","10","1") = "9"
    & skf18("1","10","2","8","1","1","1") = "9"
    & skf18("1","10","2","8","1","2","1") = "9"
    & skf18("1","10","2","8","1","3","1") = "9"
    & skf18("1","10","2","8","1","4","1") = "9"
    & skf18("1","10","2","8","1","5","1") = "9"
    & skf18("1","10","2","8","1","6","1") = "9"
    & skf18("1","10","2","8","1","7","1") = "9"
    & skf18("1","10","2","8","1","8","1") = "9"
    & skf18("1","10","2","8","1","9","1") = "9"
    & skf18("1","10","2","8","1","10","1") = "9"
    & skf18("1","10","2","8","2","1","1") = "9"
    & skf18("1","10","2","8","2","2","1") = "9"
    & skf18("1","10","2","8","2","3","1") = "9"
    & skf18("1","10","2","8","2","4","1") = "9"
    & skf18("1","10","2","8","2","5","1") = "9"
    & skf18("1","10","2","8","2","6","1") = "9"
    & skf18("1","10","2","8","2","7","1") = "9"
    & skf18("1","10","2","8","2","8","1") = "9"
    & skf18("1","10","2","8","2","9","1") = "9"
    & skf18("1","10","2","8","2","10","1") = "9"
    & skf18("1","10","2","8","3","1","1") = "9"
    & skf18("1","10","2","8","3","2","1") = "9"
    & skf18("1","10","2","8","3","3","1") = "9"
    & skf18("1","10","2","8","3","4","1") = "9"
    & skf18("1","10","2","8","3","5","1") = "9"
    & skf18("1","10","2","8","3","6","1") = "9"
    & skf18("1","10","2","8","3","7","1") = "9"
    & skf18("1","10","2","8","3","8","1") = "9"
    & skf18("1","10","2","8","3","9","1") = "9"
    & skf18("1","10","2","8","3","10","1") = "9"
    & skf18("1","10","2","8","4","1","1") = "9"
    & skf18("1","10","2","8","4","2","1") = "9"
    & skf18("1","10","2","8","4","3","1") = "9"
    & skf18("1","10","2","8","4","4","1") = "9"
    & skf18("1","10","2","8","4","5","1") = "9"
    & skf18("1","10","2","8","4","6","1") = "9"
    & skf18("1","10","2","8","4","7","1") = "9"
    & skf18("1","10","2","8","4","8","1") = "9"
    & skf18("1","10","2","8","4","9","1") = "9"
    & skf18("1","10","2","8","4","10","1") = "9"
    & skf18("1","10","2","8","5","1","1") = "9"
    & skf18("1","10","2","8","5","2","1") = "9"
    & skf18("1","10","2","8","5","3","1") = "9"
    & skf18("1","10","2","8","5","4","1") = "9"
    & skf18("1","10","2","8","5","5","1") = "9"
    & skf18("1","10","2","8","5","6","1") = "9"
    & skf18("1","10","2","8","5","7","1") = "9"
    & skf18("1","10","2","8","5","8","1") = "9"
    & skf18("1","10","2","8","5","9","1") = "9"
    & skf18("1","10","2","8","5","10","1") = "9"
    & skf18("1","10","2","8","6","1","1") = "9"
    & skf18("1","10","2","8","6","2","1") = "9"
    & skf18("1","10","2","8","6","3","1") = "9"
    & skf18("1","10","2","8","6","4","1") = "9"
    & skf18("1","10","2","8","6","5","1") = "9"
    & skf18("1","10","2","8","6","6","1") = "9"
    & skf18("1","10","2","8","6","7","1") = "9"
    & skf18("1","10","2","8","6","8","1") = "9"
    & skf18("1","10","2","8","6","9","1") = "9"
    & skf18("1","10","2","8","6","10","1") = "9"
    & skf18("1","10","2","8","7","1","1") = "9"
    & skf18("1","10","2","8","7","2","1") = "9"
    & skf18("1","10","2","8","7","3","1") = "9"
    & skf18("1","10","2","8","7","4","1") = "9"
    & skf18("1","10","2","8","7","5","1") = "9"
    & skf18("1","10","2","8","7","6","1") = "9"
    & skf18("1","10","2","8","7","7","1") = "9"
    & skf18("1","10","2","8","7","8","1") = "9"
    & skf18("1","10","2","8","7","9","1") = "9"
    & skf18("1","10","2","8","7","10","1") = "9"
    & skf18("1","10","2","8","8","1","1") = "9"
    & skf18("1","10","2","8","8","2","1") = "9"
    & skf18("1","10","2","8","8","3","1") = "9"
    & skf18("1","10","2","8","8","4","1") = "9"
    & skf18("1","10","2","8","8","5","1") = "9"
    & skf18("1","10","2","8","8","6","1") = "9"
    & skf18("1","10","2","8","8","7","1") = "9"
    & skf18("1","10","2","8","8","8","1") = "9"
    & skf18("1","10","2","8","8","9","1") = "9"
    & skf18("1","10","2","8","8","10","1") = "9"
    & skf18("1","10","2","8","9","1","1") = "9"
    & skf18("1","10","2","8","9","2","1") = "9"
    & skf18("1","10","2","8","9","3","1") = "9"
    & skf18("1","10","2","8","9","4","1") = "9"
    & skf18("1","10","2","8","9","5","1") = "9"
    & skf18("1","10","2","8","9","6","1") = "9"
    & skf18("1","10","2","8","9","7","1") = "9"
    & skf18("1","10","2","8","9","8","1") = "9"
    & skf18("1","10","2","8","9","9","1") = "9"
    & skf18("1","10","2","8","9","10","1") = "9"
    & skf18("1","10","2","8","10","1","1") = "9"
    & skf18("1","10","2","8","10","2","1") = "9"
    & skf18("1","10","2","8","10","3","1") = "9"
    & skf18("1","10","2","8","10","4","1") = "9"
    & skf18("1","10","2","8","10","5","1") = "9"
    & skf18("1","10","2","8","10","6","1") = "9"
    & skf18("1","10","2","8","10","7","1") = "9"
    & skf18("1","10","2","8","10","8","1") = "9"
    & skf18("1","10","2","8","10","9","1") = "9"
    & skf18("1","10","2","8","10","10","1") = "9"
    & skf18("1","10","2","9","1","1","1") = "9"
    & skf18("1","10","2","9","1","2","1") = "9"
    & skf18("1","10","2","9","1","3","1") = "9"
    & skf18("1","10","2","9","1","4","1") = "9"
    & skf18("1","10","2","9","1","5","1") = "9"
    & skf18("1","10","2","9","1","6","1") = "9"
    & skf18("1","10","2","9","1","7","1") = "9"
    & skf18("1","10","2","9","1","8","1") = "9"
    & skf18("1","10","2","9","1","9","1") = "9"
    & skf18("1","10","2","9","1","10","1") = "9"
    & skf18("1","10","2","9","2","1","1") = "9"
    & skf18("1","10","2","9","2","2","1") = "9"
    & skf18("1","10","2","9","2","3","1") = "9"
    & skf18("1","10","2","9","2","4","1") = "9"
    & skf18("1","10","2","9","2","5","1") = "9"
    & skf18("1","10","2","9","2","6","1") = "9"
    & skf18("1","10","2","9","2","7","1") = "9"
    & skf18("1","10","2","9","2","8","1") = "9"
    & skf18("1","10","2","9","2","9","1") = "9"
    & skf18("1","10","2","9","2","10","1") = "9"
    & skf18("1","10","2","9","3","1","1") = "9"
    & skf18("1","10","2","9","3","2","1") = "9"
    & skf18("1","10","2","9","3","3","1") = "9"
    & skf18("1","10","2","9","3","4","1") = "9"
    & skf18("1","10","2","9","3","5","1") = "9"
    & skf18("1","10","2","9","3","6","1") = "9"
    & skf18("1","10","2","9","3","7","1") = "9"
    & skf18("1","10","2","9","3","8","1") = "9"
    & skf18("1","10","2","9","3","9","1") = "9"
    & skf18("1","10","2","9","3","10","1") = "9"
    & skf18("1","10","2","9","4","1","1") = "9"
    & skf18("1","10","2","9","4","2","1") = "9"
    & skf18("1","10","2","9","4","3","1") = "9"
    & skf18("1","10","2","9","4","4","1") = "9"
    & skf18("1","10","2","9","4","5","1") = "9"
    & skf18("1","10","2","9","4","6","1") = "9"
    & skf18("1","10","2","9","4","7","1") = "9"
    & skf18("1","10","2","9","4","8","1") = "9"
    & skf18("1","10","2","9","4","9","1") = "9"
    & skf18("1","10","2","9","4","10","1") = "9"
    & skf18("1","10","2","9","5","1","1") = "9"
    & skf18("1","10","2","9","5","2","1") = "9"
    & skf18("1","10","2","9","5","3","1") = "9"
    & skf18("1","10","2","9","5","4","1") = "9"
    & skf18("1","10","2","9","5","5","1") = "9"
    & skf18("1","10","2","9","5","6","1") = "9"
    & skf18("1","10","2","9","5","7","1") = "9"
    & skf18("1","10","2","9","5","8","1") = "9"
    & skf18("1","10","2","9","5","9","1") = "9"
    & skf18("1","10","2","9","5","10","1") = "9"
    & skf18("1","10","2","9","6","1","1") = "9"
    & skf18("1","10","2","9","6","2","1") = "9"
    & skf18("1","10","2","9","6","3","1") = "9"
    & skf18("1","10","2","9","6","4","1") = "9"
    & skf18("1","10","2","9","6","5","1") = "9"
    & skf18("1","10","2","9","6","6","1") = "9"
    & skf18("1","10","2","9","6","7","1") = "9"
    & skf18("1","10","2","9","6","8","1") = "9"
    & skf18("1","10","2","9","6","9","1") = "9"
    & skf18("1","10","2","9","6","10","1") = "9"
    & skf18("1","10","2","9","7","1","1") = "9"
    & skf18("1","10","2","9","7","2","1") = "9"
    & skf18("1","10","2","9","7","3","1") = "9"
    & skf18("1","10","2","9","7","4","1") = "9"
    & skf18("1","10","2","9","7","5","1") = "9"
    & skf18("1","10","2","9","7","6","1") = "9"
    & skf18("1","10","2","9","7","7","1") = "9"
    & skf18("1","10","2","9","7","8","1") = "9"
    & skf18("1","10","2","9","7","9","1") = "9"
    & skf18("1","10","2","9","7","10","1") = "9"
    & skf18("1","10","2","9","8","1","1") = "9"
    & skf18("1","10","2","9","8","2","1") = "9"
    & skf18("1","10","2","9","8","3","1") = "9"
    & skf18("1","10","2","9","8","4","1") = "9"
    & skf18("1","10","2","9","8","5","1") = "9"
    & skf18("1","10","2","9","8","6","1") = "9"
    & skf18("1","10","2","9","8","7","1") = "9"
    & skf18("1","10","2","9","8","8","1") = "9"
    & skf18("1","10","2","9","8","9","1") = "9"
    & skf18("1","10","2","9","8","10","1") = "9"
    & skf18("1","10","2","9","9","1","1") = "9"
    & skf18("1","10","2","9","9","2","1") = "9"
    & skf18("1","10","2","9","9","3","1") = "9"
    & skf18("1","10","2","9","9","4","1") = "9"
    & skf18("1","10","2","9","9","5","1") = "9"
    & skf18("1","10","2","9","9","6","1") = "9"
    & skf18("1","10","2","9","9","7","1") = "9"
    & skf18("1","10","2","9","9","8","1") = "9"
    & skf18("1","10","2","9","9","9","1") = "9"
    & skf18("1","10","2","9","9","10","1") = "9"
    & skf18("1","10","2","9","10","1","1") = "9"
    & skf18("1","10","2","9","10","2","1") = "9"
    & skf18("1","10","2","9","10","3","1") = "9"
    & skf18("1","10","2","9","10","4","1") = "9"
    & skf18("1","10","2","9","10","5","1") = "9"
    & skf18("1","10","2","9","10","6","1") = "9"
    & skf18("1","10","2","9","10","7","1") = "9"
    & skf18("1","10","2","9","10","8","1") = "9"
    & skf18("1","10","2","9","10","9","1") = "9"
    & skf18("1","10","2","9","10","10","1") = "9"
    & skf18("1","10","2","10","1","1","1") = "9"
    & skf18("1","10","2","10","1","2","1") = "9"
    & skf18("1","10","2","10","1","3","1") = "9"
    & skf18("1","10","2","10","1","4","1") = "9"
    & skf18("1","10","2","10","1","5","1") = "9"
    & skf18("1","10","2","10","1","6","1") = "9"
    & skf18("1","10","2","10","1","7","1") = "9"
    & skf18("1","10","2","10","1","8","1") = "9"
    & skf18("1","10","2","10","1","9","1") = "9"
    & skf18("1","10","2","10","1","10","1") = "9"
    & skf18("1","10","2","10","2","1","1") = "9"
    & skf18("1","10","2","10","2","2","1") = "9"
    & skf18("1","10","2","10","2","3","1") = "9"
    & skf18("1","10","2","10","2","4","1") = "9"
    & skf18("1","10","2","10","2","5","1") = "9"
    & skf18("1","10","2","10","2","6","1") = "9"
    & skf18("1","10","2","10","2","7","1") = "9"
    & skf18("1","10","2","10","2","8","1") = "9"
    & skf18("1","10","2","10","2","9","1") = "9"
    & skf18("1","10","2","10","2","10","1") = "9"
    & skf18("1","10","2","10","3","1","1") = "9"
    & skf18("1","10","2","10","3","2","1") = "9"
    & skf18("1","10","2","10","3","3","1") = "9"
    & skf18("1","10","2","10","3","4","1") = "9"
    & skf18("1","10","2","10","3","5","1") = "9"
    & skf18("1","10","2","10","3","6","1") = "9"
    & skf18("1","10","2","10","3","7","1") = "9"
    & skf18("1","10","2","10","3","8","1") = "9"
    & skf18("1","10","2","10","3","9","1") = "9"
    & skf18("1","10","2","10","3","10","1") = "9"
    & skf18("1","10","2","10","4","1","1") = "9"
    & skf18("1","10","2","10","4","2","1") = "9"
    & skf18("1","10","2","10","4","3","1") = "9"
    & skf18("1","10","2","10","4","4","1") = "9"
    & skf18("1","10","2","10","4","5","1") = "9"
    & skf18("1","10","2","10","4","6","1") = "9"
    & skf18("1","10","2","10","4","7","1") = "9"
    & skf18("1","10","2","10","4","8","1") = "9"
    & skf18("1","10","2","10","4","9","1") = "9"
    & skf18("1","10","2","10","4","10","1") = "9"
    & skf18("1","10","2","10","5","1","1") = "9"
    & skf18("1","10","2","10","5","2","1") = "9"
    & skf18("1","10","2","10","5","3","1") = "9"
    & skf18("1","10","2","10","5","4","1") = "9"
    & skf18("1","10","2","10","5","5","1") = "9"
    & skf18("1","10","2","10","5","6","1") = "9"
    & skf18("1","10","2","10","5","7","1") = "9"
    & skf18("1","10","2","10","5","8","1") = "9"
    & skf18("1","10","2","10","5","9","1") = "9"
    & skf18("1","10","2","10","5","10","1") = "9"
    & skf18("1","10","2","10","6","1","1") = "9"
    & skf18("1","10","2","10","6","2","1") = "9"
    & skf18("1","10","2","10","6","3","1") = "9"
    & skf18("1","10","2","10","6","4","1") = "9"
    & skf18("1","10","2","10","6","5","1") = "9"
    & skf18("1","10","2","10","6","6","1") = "9"
    & skf18("1","10","2","10","6","7","1") = "9"
    & skf18("1","10","2","10","6","8","1") = "9"
    & skf18("1","10","2","10","6","9","1") = "9"
    & skf18("1","10","2","10","6","10","1") = "9"
    & skf18("1","10","2","10","7","1","1") = "9"
    & skf18("1","10","2","10","7","2","1") = "9"
    & skf18("1","10","2","10","7","3","1") = "9"
    & skf18("1","10","2","10","7","4","1") = "9"
    & skf18("1","10","2","10","7","5","1") = "9"
    & skf18("1","10","2","10","7","6","1") = "9"
    & skf18("1","10","2","10","7","7","1") = "9"
    & skf18("1","10","2","10","7","8","1") = "9"
    & skf18("1","10","2","10","7","9","1") = "9"
    & skf18("1","10","2","10","7","10","1") = "9"
    & skf18("1","10","2","10","8","1","1") = "9"
    & skf18("1","10","2","10","8","2","1") = "9"
    & skf18("1","10","2","10","8","3","1") = "9"
    & skf18("1","10","2","10","8","4","1") = "9"
    & skf18("1","10","2","10","8","5","1") = "9"
    & skf18("1","10","2","10","8","6","1") = "9"
    & skf18("1","10","2","10","8","7","1") = "9"
    & skf18("1","10","2","10","8","8","1") = "9"
    & skf18("1","10","2","10","8","9","1") = "9"
    & skf18("1","10","2","10","8","10","1") = "9"
    & skf18("1","10","2","10","9","1","1") = "9"
    & skf18("1","10","2","10","9","2","1") = "9"
    & skf18("1","10","2","10","9","3","1") = "9"
    & skf18("1","10","2","10","9","4","1") = "9"
    & skf18("1","10","2","10","9","5","1") = "9"
    & skf18("1","10","2","10","9","6","1") = "9"
    & skf18("1","10","2","10","9","7","1") = "9"
    & skf18("1","10","2","10","9","8","1") = "9"
    & skf18("1","10","2","10","9","9","1") = "9"
    & skf18("1","10","2","10","9","10","1") = "9"
    & skf18("1","10","2","10","10","1","1") = "9"
    & skf18("1","10","2","10","10","2","1") = "9"
    & skf18("1","10","2","10","10","3","1") = "9"
    & skf18("1","10","2","10","10","4","1") = "9"
    & skf18("1","10","2","10","10","5","1") = "9"
    & skf18("1","10","2","10","10","6","1") = "9"
    & skf18("1","10","2","10","10","7","1") = "9"
    & skf18("1","10","2","10","10","8","1") = "9"
    & skf18("1","10","2","10","10","9","1") = "9"
    & skf18("1","10","2","10","10","10","1") = "9"
    & skf18("1","10","3","1","1","1","1") = "9"
    & skf18("1","10","3","1","1","2","1") = "9"
    & skf18("1","10","3","1","1","3","1") = "9"
    & skf18("1","10","3","1","1","4","1") = "9"
    & skf18("1","10","3","1","1","5","1") = "9"
    & skf18("1","10","3","1","1","6","1") = "9"
    & skf18("1","10","3","1","1","7","1") = "9"
    & skf18("1","10","3","1","1","8","1") = "9"
    & skf18("1","10","3","1","1","9","1") = "9"
    & skf18("1","10","3","1","1","10","1") = "9"
    & skf18("1","10","3","1","2","1","1") = "9"
    & skf18("1","10","3","1","2","2","1") = "9"
    & skf18("1","10","3","1","2","3","1") = "9"
    & skf18("1","10","3","1","2","4","1") = "9"
    & skf18("1","10","3","1","2","5","1") = "9"
    & skf18("1","10","3","1","2","6","1") = "9"
    & skf18("1","10","3","1","2","7","1") = "9"
    & skf18("1","10","3","1","2","8","1") = "9"
    & skf18("1","10","3","1","2","9","1") = "9"
    & skf18("1","10","3","1","2","10","1") = "9"
    & skf18("1","10","3","1","3","1","1") = "9"
    & skf18("1","10","3","1","3","2","1") = "9"
    & skf18("1","10","3","1","3","3","1") = "9"
    & skf18("1","10","3","1","3","4","1") = "9"
    & skf18("1","10","3","1","3","5","1") = "9"
    & skf18("1","10","3","1","3","6","1") = "9"
    & skf18("1","10","3","1","3","7","1") = "9"
    & skf18("1","10","3","1","3","8","1") = "9"
    & skf18("1","10","3","1","3","9","1") = "9"
    & skf18("1","10","3","1","3","10","1") = "9"
    & skf18("1","10","3","1","4","1","1") = "9"
    & skf18("1","10","3","1","4","2","1") = "9"
    & skf18("1","10","3","1","4","3","1") = "9"
    & skf18("1","10","3","1","4","4","1") = "9"
    & skf18("1","10","3","1","4","5","1") = "9"
    & skf18("1","10","3","1","4","6","1") = "9"
    & skf18("1","10","3","1","4","7","1") = "9"
    & skf18("1","10","3","1","4","8","1") = "9"
    & skf18("1","10","3","1","4","9","1") = "9"
    & skf18("1","10","3","1","4","10","1") = "9"
    & skf18("1","10","3","1","5","1","1") = "9"
    & skf18("1","10","3","1","5","2","1") = "9"
    & skf18("1","10","3","1","5","3","1") = "9"
    & skf18("1","10","3","1","5","4","1") = "9"
    & skf18("1","10","3","1","5","5","1") = "9"
    & skf18("1","10","3","1","5","6","1") = "9"
    & skf18("1","10","3","1","5","7","1") = "9"
    & skf18("1","10","3","1","5","8","1") = "9"
    & skf18("1","10","3","1","5","9","1") = "9"
    & skf18("1","10","3","1","5","10","1") = "9"
    & skf18("1","10","3","1","6","1","1") = "9"
    & skf18("1","10","3","1","6","2","1") = "9"
    & skf18("1","10","3","1","6","3","1") = "9"
    & skf18("1","10","3","1","6","4","1") = "9"
    & skf18("1","10","3","1","6","5","1") = "9"
    & skf18("1","10","3","1","6","6","1") = "9"
    & skf18("1","10","3","1","6","7","1") = "9"
    & skf18("1","10","3","1","6","8","1") = "9"
    & skf18("1","10","3","1","6","9","1") = "9"
    & skf18("1","10","3","1","6","10","1") = "9"
    & skf18("1","10","3","1","7","1","1") = "9"
    & skf18("1","10","3","1","7","2","1") = "9"
    & skf18("1","10","3","1","7","3","1") = "9"
    & skf18("1","10","3","1","7","4","1") = "9"
    & skf18("1","10","3","1","7","5","1") = "9"
    & skf18("1","10","3","1","7","6","1") = "9"
    & skf18("1","10","3","1","7","7","1") = "9"
    & skf18("1","10","3","1","7","8","1") = "9"
    & skf18("1","10","3","1","7","9","1") = "9"
    & skf18("1","10","3","1","7","10","1") = "9"
    & skf18("1","10","3","1","8","1","1") = "9"
    & skf18("1","10","3","1","8","2","1") = "9"
    & skf18("1","10","3","1","8","3","1") = "9"
    & skf18("1","10","3","1","8","4","1") = "9"
    & skf18("1","10","3","1","8","5","1") = "9"
    & skf18("1","10","3","1","8","6","1") = "9"
    & skf18("1","10","3","1","8","7","1") = "9"
    & skf18("1","10","3","1","8","8","1") = "9"
    & skf18("1","10","3","1","8","9","1") = "9"
    & skf18("1","10","3","1","8","10","1") = "9"
    & skf18("1","10","3","1","9","1","1") = "9"
    & skf18("1","10","3","1","9","2","1") = "9"
    & skf18("1","10","3","1","9","3","1") = "9"
    & skf18("1","10","3","1","9","4","1") = "9"
    & skf18("1","10","3","1","9","5","1") = "9"
    & skf18("1","10","3","1","9","6","1") = "9"
    & skf18("1","10","3","1","9","7","1") = "9"
    & skf18("1","10","3","1","9","8","1") = "9"
    & skf18("1","10","3","1","9","9","1") = "9"
    & skf18("1","10","3","1","9","10","1") = "9"
    & skf18("1","10","3","1","10","1","1") = "9"
    & skf18("1","10","3","1","10","2","1") = "9"
    & skf18("1","10","3","1","10","3","1") = "9"
    & skf18("1","10","3","1","10","4","1") = "9"
    & skf18("1","10","3","1","10","5","1") = "9"
    & skf18("1","10","3","1","10","6","1") = "9"
    & skf18("1","10","3","1","10","7","1") = "9"
    & skf18("1","10","3","1","10","8","1") = "9"
    & skf18("1","10","3","1","10","9","1") = "9"
    & skf18("1","10","3","1","10","10","1") = "9"
    & skf18("1","10","3","2","1","1","1") = "9"
    & skf18("1","10","3","2","1","2","1") = "9"
    & skf18("1","10","3","2","1","3","1") = "9"
    & skf18("1","10","3","2","1","4","1") = "9"
    & skf18("1","10","3","2","1","5","1") = "9"
    & skf18("1","10","3","2","1","6","1") = "9"
    & skf18("1","10","3","2","1","7","1") = "9"
    & skf18("1","10","3","2","1","8","1") = "9"
    & skf18("1","10","3","2","1","9","1") = "9"
    & skf18("1","10","3","2","1","10","1") = "9"
    & skf18("1","10","3","2","2","1","1") = "9"
    & skf18("1","10","3","2","2","2","1") = "9"
    & skf18("1","10","3","2","2","3","1") = "9"
    & skf18("1","10","3","2","2","4","1") = "9"
    & skf18("1","10","3","2","2","5","1") = "9"
    & skf18("1","10","3","2","2","6","1") = "9"
    & skf18("1","10","3","2","2","7","1") = "9"
    & skf18("1","10","3","2","2","8","1") = "9"
    & skf18("1","10","3","2","2","9","1") = "9"
    & skf18("1","10","3","2","2","10","1") = "9"
    & skf18("1","10","3","2","3","1","1") = "9"
    & skf18("1","10","3","2","3","2","1") = "9"
    & skf18("1","10","3","2","3","3","1") = "9"
    & skf18("1","10","3","2","3","4","1") = "9"
    & skf18("1","10","3","2","3","5","1") = "9"
    & skf18("1","10","3","2","3","6","1") = "9"
    & skf18("1","10","3","2","3","7","1") = "9"
    & skf18("1","10","3","2","3","8","1") = "9"
    & skf18("1","10","3","2","3","9","1") = "9"
    & skf18("1","10","3","2","3","10","1") = "9"
    & skf18("1","10","3","2","4","1","1") = "9"
    & skf18("1","10","3","2","4","2","1") = "9"
    & skf18("1","10","3","2","4","3","1") = "9"
    & skf18("1","10","3","2","4","4","1") = "9"
    & skf18("1","10","3","2","4","5","1") = "9"
    & skf18("1","10","3","2","4","6","1") = "9"
    & skf18("1","10","3","2","4","7","1") = "9"
    & skf18("1","10","3","2","4","8","1") = "9"
    & skf18("1","10","3","2","4","9","1") = "9"
    & skf18("1","10","3","2","4","10","1") = "9"
    & skf18("1","10","3","2","5","1","1") = "9"
    & skf18("1","10","3","2","5","2","1") = "9"
    & skf18("1","10","3","2","5","3","1") = "9"
    & skf18("1","10","3","2","5","4","1") = "9"
    & skf18("1","10","3","2","5","5","1") = "9"
    & skf18("1","10","3","2","5","6","1") = "9"
    & skf18("1","10","3","2","5","7","1") = "9"
    & skf18("1","10","3","2","5","8","1") = "9"
    & skf18("1","10","3","2","5","9","1") = "9"
    & skf18("1","10","3","2","5","10","1") = "9"
    & skf18("1","10","3","2","6","1","1") = "9"
    & skf18("1","10","3","2","6","2","1") = "9"
    & skf18("1","10","3","2","6","3","1") = "9"
    & skf18("1","10","3","2","6","4","1") = "9"
    & skf18("1","10","3","2","6","5","1") = "9"
    & skf18("1","10","3","2","6","6","1") = "9"
    & skf18("1","10","3","2","6","7","1") = "9"
    & skf18("1","10","3","2","6","8","1") = "9"
    & skf18("1","10","3","2","6","9","1") = "9"
    & skf18("1","10","3","2","6","10","1") = "9"
    & skf18("1","10","3","2","7","1","1") = "9"
    & skf18("1","10","3","2","7","2","1") = "9"
    & skf18("1","10","3","2","7","3","1") = "9"
    & skf18("1","10","3","2","7","4","1") = "9"
    & skf18("1","10","3","2","7","5","1") = "9"
    & skf18("1","10","3","2","7","6","1") = "9"
    & skf18("1","10","3","2","7","7","1") = "9"
    & skf18("1","10","3","2","7","8","1") = "9"
    & skf18("1","10","3","2","7","9","1") = "9"
    & skf18("1","10","3","2","7","10","1") = "9"
    & skf18("1","10","3","2","8","1","1") = "9"
    & skf18("1","10","3","2","8","2","1") = "9"
    & skf18("1","10","3","2","8","3","1") = "9"
    & skf18("1","10","3","2","8","4","1") = "9"
    & skf18("1","10","3","2","8","5","1") = "9"
    & skf18("1","10","3","2","8","6","1") = "9"
    & skf18("1","10","3","2","8","7","1") = "9"
    & skf18("1","10","3","2","8","8","1") = "9"
    & skf18("1","10","3","2","8","9","1") = "9"
    & skf18("1","10","3","2","8","10","1") = "9"
    & skf18("1","10","3","2","9","1","1") = "9"
    & skf18("1","10","3","2","9","2","1") = "9"
    & skf18("1","10","3","2","9","3","1") = "9"
    & skf18("1","10","3","2","9","4","1") = "9"
    & skf18("1","10","3","2","9","5","1") = "9"
    & skf18("1","10","3","2","9","6","1") = "9"
    & skf18("1","10","3","2","9","7","1") = "9"
    & skf18("1","10","3","2","9","8","1") = "9"
    & skf18("1","10","3","2","9","9","1") = "9"
    & skf18("1","10","3","2","9","10","1") = "9"
    & skf18("1","10","3","2","10","1","1") = "9"
    & skf18("1","10","3","2","10","2","1") = "9"
    & skf18("1","10","3","2","10","3","1") = "9"
    & skf18("1","10","3","2","10","4","1") = "9"
    & skf18("1","10","3","2","10","5","1") = "9"
    & skf18("1","10","3","2","10","6","1") = "9"
    & skf18("1","10","3","2","10","7","1") = "9"
    & skf18("1","10","3","2","10","8","1") = "9"
    & skf18("1","10","3","2","10","9","1") = "9"
    & skf18("1","10","3","2","10","10","1") = "9"
    & skf18("1","10","3","3","1","1","1") = "9"
    & skf18("1","10","3","3","1","2","1") = "9"
    & skf18("1","10","3","3","1","3","1") = "9"
    & skf18("1","10","3","3","1","4","1") = "9"
    & skf18("1","10","3","3","1","5","1") = "9"
    & skf18("1","10","3","3","1","6","1") = "9"
    & skf18("1","10","3","3","1","7","1") = "9"
    & skf18("1","10","3","3","1","8","1") = "9"
    & skf18("1","10","3","3","1","9","1") = "9"
    & skf18("1","10","3","3","1","10","1") = "9"
    & skf18("1","10","3","3","2","1","1") = "9"
    & skf18("1","10","3","3","2","2","1") = "9"
    & skf18("1","10","3","3","2","3","1") = "9"
    & skf18("1","10","3","3","2","4","1") = "9"
    & skf18("1","10","3","3","2","5","1") = "9"
    & skf18("1","10","3","3","2","6","1") = "9"
    & skf18("1","10","3","3","2","7","1") = "9"
    & skf18("1","10","3","3","2","8","1") = "9"
    & skf18("1","10","3","3","2","9","1") = "9"
    & skf18("1","10","3","3","2","10","1") = "9"
    & skf18("1","10","3","3","3","1","1") = "9"
    & skf18("1","10","3","3","3","2","1") = "9"
    & skf18("1","10","3","3","3","3","1") = "9"
    & skf18("1","10","3","3","3","4","1") = "9"
    & skf18("1","10","3","3","3","5","1") = "9"
    & skf18("1","10","3","3","3","6","1") = "9"
    & skf18("1","10","3","3","3","7","1") = "9"
    & skf18("1","10","3","3","3","8","1") = "9"
    & skf18("1","10","3","3","3","9","1") = "9"
    & skf18("1","10","3","3","3","10","1") = "9"
    & skf18("1","10","3","3","4","1","1") = "9"
    & skf18("1","10","3","3","4","2","1") = "9"
    & skf18("1","10","3","3","4","3","1") = "9"
    & skf18("1","10","3","3","4","4","1") = "9"
    & skf18("1","10","3","3","4","5","1") = "9"
    & skf18("1","10","3","3","4","6","1") = "9"
    & skf18("1","10","3","3","4","7","1") = "9"
    & skf18("1","10","3","3","4","8","1") = "9"
    & skf18("1","10","3","3","4","9","1") = "9"
    & skf18("1","10","3","3","4","10","1") = "9"
    & skf18("1","10","3","3","5","1","1") = "9"
    & skf18("1","10","3","3","5","2","1") = "9"
    & skf18("1","10","3","3","5","3","1") = "9"
    & skf18("1","10","3","3","5","4","1") = "9"
    & skf18("1","10","3","3","5","5","1") = "9"
    & skf18("1","10","3","3","5","6","1") = "9"
    & skf18("1","10","3","3","5","7","1") = "9"
    & skf18("1","10","3","3","5","8","1") = "9"
    & skf18("1","10","3","3","5","9","1") = "9"
    & skf18("1","10","3","3","5","10","1") = "9"
    & skf18("1","10","3","3","6","1","1") = "9"
    & skf18("1","10","3","3","6","2","1") = "9"
    & skf18("1","10","3","3","6","3","1") = "9"
    & skf18("1","10","3","3","6","4","1") = "9"
    & skf18("1","10","3","3","6","5","1") = "9"
    & skf18("1","10","3","3","6","6","1") = "9"
    & skf18("1","10","3","3","6","7","1") = "9"
    & skf18("1","10","3","3","6","8","1") = "9"
    & skf18("1","10","3","3","6","9","1") = "9"
    & skf18("1","10","3","3","6","10","1") = "9"
    & skf18("1","10","3","3","7","1","1") = "9"
    & skf18("1","10","3","3","7","2","1") = "9"
    & skf18("1","10","3","3","7","3","1") = "9"
    & skf18("1","10","3","3","7","4","1") = "9"
    & skf18("1","10","3","3","7","5","1") = "9"
    & skf18("1","10","3","3","7","6","1") = "9"
    & skf18("1","10","3","3","7","7","1") = "9"
    & skf18("1","10","3","3","7","8","1") = "9"
    & skf18("1","10","3","3","7","9","1") = "9"
    & skf18("1","10","3","3","7","10","1") = "9"
    & skf18("1","10","3","3","8","1","1") = "9"
    & skf18("1","10","3","3","8","2","1") = "9"
    & skf18("1","10","3","3","8","3","1") = "9"
    & skf18("1","10","3","3","8","4","1") = "9"
    & skf18("1","10","3","3","8","5","1") = "9"
    & skf18("1","10","3","3","8","6","1") = "9"
    & skf18("1","10","3","3","8","7","1") = "9"
    & skf18("1","10","3","3","8","8","1") = "9"
    & skf18("1","10","3","3","8","9","1") = "9"
    & skf18("1","10","3","3","8","10","1") = "9"
    & skf18("1","10","3","3","9","1","1") = "9"
    & skf18("1","10","3","3","9","2","1") = "9"
    & skf18("1","10","3","3","9","3","1") = "9"
    & skf18("1","10","3","3","9","4","1") = "9"
    & skf18("1","10","3","3","9","5","1") = "9"
    & skf18("1","10","3","3","9","6","1") = "9"
    & skf18("1","10","3","3","9","7","1") = "9"
    & skf18("1","10","3","3","9","8","1") = "9"
    & skf18("1","10","3","3","9","9","1") = "9"
    & skf18("1","10","3","3","9","10","1") = "9"
    & skf18("1","10","3","3","10","1","1") = "9"
    & skf18("1","10","3","3","10","2","1") = "9"
    & skf18("1","10","3","3","10","3","1") = "9"
    & skf18("1","10","3","3","10","4","1") = "9"
    & skf18("1","10","3","3","10","5","1") = "9"
    & skf18("1","10","3","3","10","6","1") = "9"
    & skf18("1","10","3","3","10","7","1") = "9"
    & skf18("1","10","3","3","10","8","1") = "9"
    & skf18("1","10","3","3","10","9","1") = "9"
    & skf18("1","10","3","3","10","10","1") = "9"
    & skf18("1","10","3","4","1","1","1") = "9"
    & skf18("1","10","3","4","1","2","1") = "9"
    & skf18("1","10","3","4","1","3","1") = "9"
    & skf18("1","10","3","4","1","4","1") = "9"
    & skf18("1","10","3","4","1","5","1") = "9"
    & skf18("1","10","3","4","1","6","1") = "9"
    & skf18("1","10","3","4","1","7","1") = "9"
    & skf18("1","10","3","4","1","8","1") = "9"
    & skf18("1","10","3","4","1","9","1") = "9"
    & skf18("1","10","3","4","1","10","1") = "9"
    & skf18("1","10","3","4","2","1","1") = "9"
    & skf18("1","10","3","4","2","2","1") = "9"
    & skf18("1","10","3","4","2","3","1") = "9"
    & skf18("1","10","3","4","2","4","1") = "9"
    & skf18("1","10","3","4","2","5","1") = "9"
    & skf18("1","10","3","4","2","6","1") = "9"
    & skf18("1","10","3","4","2","7","1") = "9"
    & skf18("1","10","3","4","2","8","1") = "9"
    & skf18("1","10","3","4","2","9","1") = "9"
    & skf18("1","10","3","4","2","10","1") = "9"
    & skf18("1","10","3","4","3","1","1") = "9"
    & skf18("1","10","3","4","3","2","1") = "9"
    & skf18("1","10","3","4","3","3","1") = "9"
    & skf18("1","10","3","4","3","4","1") = "9"
    & skf18("1","10","3","4","3","5","1") = "9"
    & skf18("1","10","3","4","3","6","1") = "9"
    & skf18("1","10","3","4","3","7","1") = "9"
    & skf18("1","10","3","4","3","8","1") = "9"
    & skf18("1","10","3","4","3","9","1") = "9"
    & skf18("1","10","3","4","3","10","1") = "9"
    & skf18("1","10","3","4","4","1","1") = "9"
    & skf18("1","10","3","4","4","2","1") = "9"
    & skf18("1","10","3","4","4","3","1") = "9"
    & skf18("1","10","3","4","4","4","1") = "9"
    & skf18("1","10","3","4","4","5","1") = "9"
    & skf18("1","10","3","4","4","6","1") = "9"
    & skf18("1","10","3","4","4","7","1") = "9"
    & skf18("1","10","3","4","4","8","1") = "9"
    & skf18("1","10","3","4","4","9","1") = "9"
    & skf18("1","10","3","4","4","10","1") = "9"
    & skf18("1","10","3","4","5","1","1") = "9"
    & skf18("1","10","3","4","5","2","1") = "9"
    & skf18("1","10","3","4","5","3","1") = "9"
    & skf18("1","10","3","4","5","4","1") = "9"
    & skf18("1","10","3","4","5","5","1") = "9"
    & skf18("1","10","3","4","5","6","1") = "9"
    & skf18("1","10","3","4","5","7","1") = "9"
    & skf18("1","10","3","4","5","8","1") = "9"
    & skf18("1","10","3","4","5","9","1") = "9"
    & skf18("1","10","3","4","5","10","1") = "9"
    & skf18("1","10","3","4","6","1","1") = "9"
    & skf18("1","10","3","4","6","2","1") = "9"
    & skf18("1","10","3","4","6","3","1") = "9"
    & skf18("1","10","3","4","6","4","1") = "9"
    & skf18("1","10","3","4","6","5","1") = "9"
    & skf18("1","10","3","4","6","6","1") = "9"
    & skf18("1","10","3","4","6","7","1") = "9"
    & skf18("1","10","3","4","6","8","1") = "9"
    & skf18("1","10","3","4","6","9","1") = "9"
    & skf18("1","10","3","4","6","10","1") = "9"
    & skf18("1","10","3","4","7","1","1") = "9"
    & skf18("1","10","3","4","7","2","1") = "9"
    & skf18("1","10","3","4","7","3","1") = "9"
    & skf18("1","10","3","4","7","4","1") = "9"
    & skf18("1","10","3","4","7","5","1") = "9"
    & skf18("1","10","3","4","7","6","1") = "9"
    & skf18("1","10","3","4","7","7","1") = "9"
    & skf18("1","10","3","4","7","8","1") = "9"
    & skf18("1","10","3","4","7","9","1") = "9"
    & skf18("1","10","3","4","7","10","1") = "9"
    & skf18("1","10","3","4","8","1","1") = "9"
    & skf18("1","10","3","4","8","2","1") = "9"
    & skf18("1","10","3","4","8","3","1") = "9"
    & skf18("1","10","3","4","8","4","1") = "9"
    & skf18("1","10","3","4","8","5","1") = "9"
    & skf18("1","10","3","4","8","6","1") = "9"
    & skf18("1","10","3","4","8","7","1") = "9"
    & skf18("1","10","3","4","8","8","1") = "9"
    & skf18("1","10","3","4","8","9","1") = "9"
    & skf18("1","10","3","4","8","10","1") = "9"
    & skf18("1","10","3","4","9","1","1") = "9"
    & skf18("1","10","3","4","9","2","1") = "9"
    & skf18("1","10","3","4","9","3","1") = "9"
    & skf18("1","10","3","4","9","4","1") = "9"
    & skf18("1","10","3","4","9","5","1") = "9"
    & skf18("1","10","3","4","9","6","1") = "9"
    & skf18("1","10","3","4","9","7","1") = "9"
    & skf18("1","10","3","4","9","8","1") = "9"
    & skf18("1","10","3","4","9","9","1") = "9"
    & skf18("1","10","3","4","9","10","1") = "9"
    & skf18("1","10","3","4","10","1","1") = "9"
    & skf18("1","10","3","4","10","2","1") = "9"
    & skf18("1","10","3","4","10","3","1") = "9"
    & skf18("1","10","3","4","10","4","1") = "9"
    & skf18("1","10","3","4","10","5","1") = "9"
    & skf18("1","10","3","4","10","6","1") = "9"
    & skf18("1","10","3","4","10","7","1") = "9"
    & skf18("1","10","3","4","10","8","1") = "9"
    & skf18("1","10","3","4","10","9","1") = "9"
    & skf18("1","10","3","4","10","10","1") = "9"
    & skf18("1","10","3","5","1","1","1") = "9"
    & skf18("1","10","3","5","1","2","1") = "9"
    & skf18("1","10","3","5","1","3","1") = "9"
    & skf18("1","10","3","5","1","4","1") = "9"
    & skf18("1","10","3","5","1","5","1") = "9"
    & skf18("1","10","3","5","1","6","1") = "9"
    & skf18("1","10","3","5","1","7","1") = "9"
    & skf18("1","10","3","5","1","8","1") = "9"
    & skf18("1","10","3","5","1","9","1") = "9"
    & skf18("1","10","3","5","1","10","1") = "9"
    & skf18("1","10","3","5","2","1","1") = "9"
    & skf18("1","10","3","5","2","2","1") = "9"
    & skf18("1","10","3","5","2","3","1") = "9"
    & skf18("1","10","3","5","2","4","1") = "9"
    & skf18("1","10","3","5","2","5","1") = "9"
    & skf18("1","10","3","5","2","6","1") = "9"
    & skf18("1","10","3","5","2","7","1") = "9"
    & skf18("1","10","3","5","2","8","1") = "9"
    & skf18("1","10","3","5","2","9","1") = "9"
    & skf18("1","10","3","5","2","10","1") = "9"
    & skf18("1","10","3","5","3","1","1") = "9"
    & skf18("1","10","3","5","3","2","1") = "9"
    & skf18("1","10","3","5","3","3","1") = "9"
    & skf18("1","10","3","5","3","4","1") = "9"
    & skf18("1","10","3","5","3","5","1") = "9"
    & skf18("1","10","3","5","3","6","1") = "9"
    & skf18("1","10","3","5","3","7","1") = "9"
    & skf18("1","10","3","5","3","8","1") = "9"
    & skf18("1","10","3","5","3","9","1") = "9"
    & skf18("1","10","3","5","3","10","1") = "9"
    & skf18("1","10","3","5","4","1","1") = "9"
    & skf18("1","10","3","5","4","2","1") = "9"
    & skf18("1","10","3","5","4","3","1") = "9"
    & skf18("1","10","3","5","4","4","1") = "9"
    & skf18("1","10","3","5","4","5","1") = "9"
    & skf18("1","10","3","5","4","6","1") = "9"
    & skf18("1","10","3","5","4","7","1") = "9"
    & skf18("1","10","3","5","4","8","1") = "9"
    & skf18("1","10","3","5","4","9","1") = "9"
    & skf18("1","10","3","5","4","10","1") = "9"
    & skf18("1","10","3","5","5","1","1") = "9"
    & skf18("1","10","3","5","5","2","1") = "9"
    & skf18("1","10","3","5","5","3","1") = "9"
    & skf18("1","10","3","5","5","4","1") = "9"
    & skf18("1","10","3","5","5","5","1") = "9"
    & skf18("1","10","3","5","5","6","1") = "9"
    & skf18("1","10","3","5","5","7","1") = "9"
    & skf18("1","10","3","5","5","8","1") = "9"
    & skf18("1","10","3","5","5","9","1") = "9"
    & skf18("1","10","3","5","5","10","1") = "9"
    & skf18("1","10","3","5","6","1","1") = "9"
    & skf18("1","10","3","5","6","2","1") = "9"
    & skf18("1","10","3","5","6","3","1") = "9"
    & skf18("1","10","3","5","6","4","1") = "9"
    & skf18("1","10","3","5","6","5","1") = "9"
    & skf18("1","10","3","5","6","6","1") = "9"
    & skf18("1","10","3","5","6","7","1") = "9"
    & skf18("1","10","3","5","6","8","1") = "9"
    & skf18("1","10","3","5","6","9","1") = "9"
    & skf18("1","10","3","5","6","10","1") = "9"
    & skf18("1","10","3","5","7","1","1") = "9"
    & skf18("1","10","3","5","7","2","1") = "9"
    & skf18("1","10","3","5","7","3","1") = "9"
    & skf18("1","10","3","5","7","4","1") = "9"
    & skf18("1","10","3","5","7","5","1") = "9"
    & skf18("1","10","3","5","7","6","1") = "9"
    & skf18("1","10","3","5","7","7","1") = "9"
    & skf18("1","10","3","5","7","8","1") = "9"
    & skf18("1","10","3","5","7","9","1") = "9"
    & skf18("1","10","3","5","7","10","1") = "9"
    & skf18("1","10","3","5","8","1","1") = "9"
    & skf18("1","10","3","5","8","2","1") = "9"
    & skf18("1","10","3","5","8","3","1") = "9"
    & skf18("1","10","3","5","8","4","1") = "9"
    & skf18("1","10","3","5","8","5","1") = "9"
    & skf18("1","10","3","5","8","6","1") = "9"
    & skf18("1","10","3","5","8","7","1") = "9"
    & skf18("1","10","3","5","8","8","1") = "9"
    & skf18("1","10","3","5","8","9","1") = "9"
    & skf18("1","10","3","5","8","10","1") = "9"
    & skf18("1","10","3","5","9","1","1") = "9"
    & skf18("1","10","3","5","9","2","1") = "9"
    & skf18("1","10","3","5","9","3","1") = "9"
    & skf18("1","10","3","5","9","4","1") = "9"
    & skf18("1","10","3","5","9","5","1") = "9"
    & skf18("1","10","3","5","9","6","1") = "9"
    & skf18("1","10","3","5","9","7","1") = "9"
    & skf18("1","10","3","5","9","8","1") = "9"
    & skf18("1","10","3","5","9","9","1") = "9"
    & skf18("1","10","3","5","9","10","1") = "9"
    & skf18("1","10","3","5","10","1","1") = "9"
    & skf18("1","10","3","5","10","2","1") = "9"
    & skf18("1","10","3","5","10","3","1") = "9"
    & skf18("1","10","3","5","10","4","1") = "9"
    & skf18("1","10","3","5","10","5","1") = "9"
    & skf18("1","10","3","5","10","6","1") = "9"
    & skf18("1","10","3","5","10","7","1") = "9"
    & skf18("1","10","3","5","10","8","1") = "9"
    & skf18("1","10","3","5","10","9","1") = "9"
    & skf18("1","10","3","5","10","10","1") = "9"
    & skf18("1","10","3","6","1","1","1") = "9"
    & skf18("1","10","3","6","1","2","1") = "9"
    & skf18("1","10","3","6","1","3","1") = "9"
    & skf18("1","10","3","6","1","4","1") = "9"
    & skf18("1","10","3","6","1","5","1") = "9"
    & skf18("1","10","3","6","1","6","1") = "9"
    & skf18("1","10","3","6","1","7","1") = "9"
    & skf18("1","10","3","6","1","8","1") = "9"
    & skf18("1","10","3","6","1","9","1") = "9"
    & skf18("1","10","3","6","1","10","1") = "9"
    & skf18("1","10","3","6","2","1","1") = "9"
    & skf18("1","10","3","6","2","2","1") = "9"
    & skf18("1","10","3","6","2","3","1") = "9"
    & skf18("1","10","3","6","2","4","1") = "9"
    & skf18("1","10","3","6","2","5","1") = "9"
    & skf18("1","10","3","6","2","6","1") = "9"
    & skf18("1","10","3","6","2","7","1") = "9"
    & skf18("1","10","3","6","2","8","1") = "9"
    & skf18("1","10","3","6","2","9","1") = "9"
    & skf18("1","10","3","6","2","10","1") = "9"
    & skf18("1","10","3","6","3","1","1") = "9"
    & skf18("1","10","3","6","3","2","1") = "9"
    & skf18("1","10","3","6","3","3","1") = "9"
    & skf18("1","10","3","6","3","4","1") = "9"
    & skf18("1","10","3","6","3","5","1") = "9"
    & skf18("1","10","3","6","3","6","1") = "9"
    & skf18("1","10","3","6","3","7","1") = "9"
    & skf18("1","10","3","6","3","8","1") = "9"
    & skf18("1","10","3","6","3","9","1") = "9"
    & skf18("1","10","3","6","3","10","1") = "9"
    & skf18("1","10","3","6","4","1","1") = "9"
    & skf18("1","10","3","6","4","2","1") = "9"
    & skf18("1","10","3","6","4","3","1") = "9"
    & skf18("1","10","3","6","4","4","1") = "9"
    & skf18("1","10","3","6","4","5","1") = "9"
    & skf18("1","10","3","6","4","6","1") = "9"
    & skf18("1","10","3","6","4","7","1") = "9"
    & skf18("1","10","3","6","4","8","1") = "9"
    & skf18("1","10","3","6","4","9","1") = "9"
    & skf18("1","10","3","6","4","10","1") = "9"
    & skf18("1","10","3","6","5","1","1") = "9"
    & skf18("1","10","3","6","5","2","1") = "9"
    & skf18("1","10","3","6","5","3","1") = "9"
    & skf18("1","10","3","6","5","4","1") = "9"
    & skf18("1","10","3","6","5","5","1") = "9"
    & skf18("1","10","3","6","5","6","1") = "9"
    & skf18("1","10","3","6","5","7","1") = "9"
    & skf18("1","10","3","6","5","8","1") = "9"
    & skf18("1","10","3","6","5","9","1") = "9"
    & skf18("1","10","3","6","5","10","1") = "9"
    & skf18("1","10","3","6","6","1","1") = "9"
    & skf18("1","10","3","6","6","2","1") = "9"
    & skf18("1","10","3","6","6","3","1") = "9"
    & skf18("1","10","3","6","6","4","1") = "9"
    & skf18("1","10","3","6","6","5","1") = "9"
    & skf18("1","10","3","6","6","6","1") = "9"
    & skf18("1","10","3","6","6","7","1") = "9"
    & skf18("1","10","3","6","6","8","1") = "9"
    & skf18("1","10","3","6","6","9","1") = "9"
    & skf18("1","10","3","6","6","10","1") = "9"
    & skf18("1","10","3","6","7","1","1") = "9"
    & skf18("1","10","3","6","7","2","1") = "9"
    & skf18("1","10","3","6","7","3","1") = "9"
    & skf18("1","10","3","6","7","4","1") = "9"
    & skf18("1","10","3","6","7","5","1") = "9"
    & skf18("1","10","3","6","7","6","1") = "9"
    & skf18("1","10","3","6","7","7","1") = "9"
    & skf18("1","10","3","6","7","8","1") = "9"
    & skf18("1","10","3","6","7","9","1") = "9"
    & skf18("1","10","3","6","7","10","1") = "9"
    & skf18("1","10","3","6","8","1","1") = "9"
    & skf18("1","10","3","6","8","2","1") = "9"
    & skf18("1","10","3","6","8","3","1") = "9"
    & skf18("1","10","3","6","8","4","1") = "9"
    & skf18("1","10","3","6","8","5","1") = "9"
    & skf18("1","10","3","6","8","6","1") = "9"
    & skf18("1","10","3","6","8","7","1") = "9"
    & skf18("1","10","3","6","8","8","1") = "9"
    & skf18("1","10","3","6","8","9","1") = "9"
    & skf18("1","10","3","6","8","10","1") = "9"
    & skf18("1","10","3","6","9","1","1") = "9"
    & skf18("1","10","3","6","9","2","1") = "9"
    & skf18("1","10","3","6","9","3","1") = "9"
    & skf18("1","10","3","6","9","4","1") = "9"
    & skf18("1","10","3","6","9","5","1") = "9"
    & skf18("1","10","3","6","9","6","1") = "9"
    & skf18("1","10","3","6","9","7","1") = "9"
    & skf18("1","10","3","6","9","8","1") = "9"
    & skf18("1","10","3","6","9","9","1") = "9"
    & skf18("1","10","3","6","9","10","1") = "9"
    & skf18("1","10","3","6","10","1","1") = "9"
    & skf18("1","10","3","6","10","2","1") = "9"
    & skf18("1","10","3","6","10","3","1") = "9"
    & skf18("1","10","3","6","10","4","1") = "9"
    & skf18("1","10","3","6","10","5","1") = "9"
    & skf18("1","10","3","6","10","6","1") = "9"
    & skf18("1","10","3","6","10","7","1") = "9"
    & skf18("1","10","3","6","10","8","1") = "9"
    & skf18("1","10","3","6","10","9","1") = "9"
    & skf18("1","10","3","6","10","10","1") = "9"
    & skf18("1","10","3","7","1","1","1") = "9"
    & skf18("1","10","3","7","1","2","1") = "9"
    & skf18("1","10","3","7","1","3","1") = "9"
    & skf18("1","10","3","7","1","4","1") = "9"
    & skf18("1","10","3","7","1","5","1") = "9"
    & skf18("1","10","3","7","1","6","1") = "9"
    & skf18("1","10","3","7","1","7","1") = "9"
    & skf18("1","10","3","7","1","8","1") = "9"
    & skf18("1","10","3","7","1","9","1") = "9"
    & skf18("1","10","3","7","1","10","1") = "9"
    & skf18("1","10","3","7","2","1","1") = "9"
    & skf18("1","10","3","7","2","2","1") = "9"
    & skf18("1","10","3","7","2","3","1") = "9"
    & skf18("1","10","3","7","2","4","1") = "9"
    & skf18("1","10","3","7","2","5","1") = "9"
    & skf18("1","10","3","7","2","6","1") = "9"
    & skf18("1","10","3","7","2","7","1") = "9"
    & skf18("1","10","3","7","2","8","1") = "9"
    & skf18("1","10","3","7","2","9","1") = "9"
    & skf18("1","10","3","7","2","10","1") = "9"
    & skf18("1","10","3","7","3","1","1") = "9"
    & skf18("1","10","3","7","3","2","1") = "9"
    & skf18("1","10","3","7","3","3","1") = "9"
    & skf18("1","10","3","7","3","4","1") = "9"
    & skf18("1","10","3","7","3","5","1") = "9"
    & skf18("1","10","3","7","3","6","1") = "9"
    & skf18("1","10","3","7","3","7","1") = "9"
    & skf18("1","10","3","7","3","8","1") = "9"
    & skf18("1","10","3","7","3","9","1") = "9"
    & skf18("1","10","3","7","3","10","1") = "9"
    & skf18("1","10","3","7","4","1","1") = "9"
    & skf18("1","10","3","7","4","2","1") = "9"
    & skf18("1","10","3","7","4","3","1") = "9"
    & skf18("1","10","3","7","4","4","1") = "9"
    & skf18("1","10","3","7","4","5","1") = "9"
    & skf18("1","10","3","7","4","6","1") = "9"
    & skf18("1","10","3","7","4","7","1") = "9"
    & skf18("1","10","3","7","4","8","1") = "9"
    & skf18("1","10","3","7","4","9","1") = "9"
    & skf18("1","10","3","7","4","10","1") = "9"
    & skf18("1","10","3","7","5","1","1") = "9"
    & skf18("1","10","3","7","5","2","1") = "9"
    & skf18("1","10","3","7","5","3","1") = "9"
    & skf18("1","10","3","7","5","4","1") = "9"
    & skf18("1","10","3","7","5","5","1") = "9"
    & skf18("1","10","3","7","5","6","1") = "9"
    & skf18("1","10","3","7","5","7","1") = "9"
    & skf18("1","10","3","7","5","8","1") = "9"
    & skf18("1","10","3","7","5","9","1") = "9"
    & skf18("1","10","3","7","5","10","1") = "9"
    & skf18("1","10","3","7","6","1","1") = "9"
    & skf18("1","10","3","7","6","2","1") = "9"
    & skf18("1","10","3","7","6","3","1") = "9"
    & skf18("1","10","3","7","6","4","1") = "9"
    & skf18("1","10","3","7","6","5","1") = "9"
    & skf18("1","10","3","7","6","6","1") = "9"
    & skf18("1","10","3","7","6","7","1") = "9"
    & skf18("1","10","3","7","6","8","1") = "9"
    & skf18("1","10","3","7","6","9","1") = "9"
    & skf18("1","10","3","7","6","10","1") = "9"
    & skf18("1","10","3","7","7","1","1") = "9"
    & skf18("1","10","3","7","7","2","1") = "9"
    & skf18("1","10","3","7","7","3","1") = "9"
    & skf18("1","10","3","7","7","4","1") = "9"
    & skf18("1","10","3","7","7","5","1") = "9"
    & skf18("1","10","3","7","7","6","1") = "9"
    & skf18("1","10","3","7","7","7","1") = "9"
    & skf18("1","10","3","7","7","8","1") = "9"
    & skf18("1","10","3","7","7","9","1") = "9"
    & skf18("1","10","3","7","7","10","1") = "9"
    & skf18("1","10","3","7","8","1","1") = "9"
    & skf18("1","10","3","7","8","2","1") = "9"
    & skf18("1","10","3","7","8","3","1") = "9"
    & skf18("1","10","3","7","8","4","1") = "9"
    & skf18("1","10","3","7","8","5","1") = "9"
    & skf18("1","10","3","7","8","6","1") = "9"
    & skf18("1","10","3","7","8","7","1") = "9"
    & skf18("1","10","3","7","8","8","1") = "9"
    & skf18("1","10","3","7","8","9","1") = "9"
    & skf18("1","10","3","7","8","10","1") = "9"
    & skf18("1","10","3","7","9","1","1") = "9"
    & skf18("1","10","3","7","9","2","1") = "9"
    & skf18("1","10","3","7","9","3","1") = "9"
    & skf18("1","10","3","7","9","4","1") = "9"
    & skf18("1","10","3","7","9","5","1") = "9"
    & skf18("1","10","3","7","9","6","1") = "9"
    & skf18("1","10","3","7","9","7","1") = "9"
    & skf18("1","10","3","7","9","8","1") = "9"
    & skf18("1","10","3","7","9","9","1") = "9"
    & skf18("1","10","3","7","9","10","1") = "9"
    & skf18("1","10","3","7","10","1","1") = "9"
    & skf18("1","10","3","7","10","2","1") = "9"
    & skf18("1","10","3","7","10","3","1") = "9"
    & skf18("1","10","3","7","10","4","1") = "9"
    & skf18("1","10","3","7","10","5","1") = "9"
    & skf18("1","10","3","7","10","6","1") = "9"
    & skf18("1","10","3","7","10","7","1") = "9"
    & skf18("1","10","3","7","10","8","1") = "9"
    & skf18("1","10","3","7","10","9","1") = "9"
    & skf18("1","10","3","7","10","10","1") = "9"
    & skf18("1","10","3","8","1","1","1") = "9"
    & skf18("1","10","3","8","1","2","1") = "9"
    & skf18("1","10","3","8","1","3","1") = "9"
    & skf18("1","10","3","8","1","4","1") = "9"
    & skf18("1","10","3","8","1","5","1") = "9"
    & skf18("1","10","3","8","1","6","1") = "9"
    & skf18("1","10","3","8","1","7","1") = "9"
    & skf18("1","10","3","8","1","8","1") = "9"
    & skf18("1","10","3","8","1","9","1") = "9"
    & skf18("1","10","3","8","1","10","1") = "9"
    & skf18("1","10","3","8","2","1","1") = "9"
    & skf18("1","10","3","8","2","2","1") = "9"
    & skf18("1","10","3","8","2","3","1") = "9"
    & skf18("1","10","3","8","2","4","1") = "9"
    & skf18("1","10","3","8","2","5","1") = "9"
    & skf18("1","10","3","8","2","6","1") = "9"
    & skf18("1","10","3","8","2","7","1") = "9"
    & skf18("1","10","3","8","2","8","1") = "9"
    & skf18("1","10","3","8","2","9","1") = "9"
    & skf18("1","10","3","8","2","10","1") = "9"
    & skf18("1","10","3","8","3","1","1") = "9"
    & skf18("1","10","3","8","3","2","1") = "9"
    & skf18("1","10","3","8","3","3","1") = "9"
    & skf18("1","10","3","8","3","4","1") = "9"
    & skf18("1","10","3","8","3","5","1") = "9"
    & skf18("1","10","3","8","3","6","1") = "9"
    & skf18("1","10","3","8","3","7","1") = "9"
    & skf18("1","10","3","8","3","8","1") = "9"
    & skf18("1","10","3","8","3","9","1") = "9"
    & skf18("1","10","3","8","3","10","1") = "9"
    & skf18("1","10","3","8","4","1","1") = "9"
    & skf18("1","10","3","8","4","2","1") = "9"
    & skf18("1","10","3","8","4","3","1") = "9"
    & skf18("1","10","3","8","4","4","1") = "9"
    & skf18("1","10","3","8","4","5","1") = "9"
    & skf18("1","10","3","8","4","6","1") = "9"
    & skf18("1","10","3","8","4","7","1") = "9"
    & skf18("1","10","3","8","4","8","1") = "9"
    & skf18("1","10","3","8","4","9","1") = "9"
    & skf18("1","10","3","8","4","10","1") = "9"
    & skf18("1","10","3","8","5","1","1") = "9"
    & skf18("1","10","3","8","5","2","1") = "9"
    & skf18("1","10","3","8","5","3","1") = "9"
    & skf18("1","10","3","8","5","4","1") = "9"
    & skf18("1","10","3","8","5","5","1") = "9"
    & skf18("1","10","3","8","5","6","1") = "9"
    & skf18("1","10","3","8","5","7","1") = "9"
    & skf18("1","10","3","8","5","8","1") = "9"
    & skf18("1","10","3","8","5","9","1") = "9"
    & skf18("1","10","3","8","5","10","1") = "9"
    & skf18("1","10","3","8","6","1","1") = "9"
    & skf18("1","10","3","8","6","2","1") = "9"
    & skf18("1","10","3","8","6","3","1") = "9"
    & skf18("1","10","3","8","6","4","1") = "9"
    & skf18("1","10","3","8","6","5","1") = "9"
    & skf18("1","10","3","8","6","6","1") = "9"
    & skf18("1","10","3","8","6","7","1") = "9"
    & skf18("1","10","3","8","6","8","1") = "9"
    & skf18("1","10","3","8","6","9","1") = "9"
    & skf18("1","10","3","8","6","10","1") = "9"
    & skf18("1","10","3","8","7","1","1") = "9"
    & skf18("1","10","3","8","7","2","1") = "9"
    & skf18("1","10","3","8","7","3","1") = "9"
    & skf18("1","10","3","8","7","4","1") = "9"
    & skf18("1","10","3","8","7","5","1") = "9"
    & skf18("1","10","3","8","7","6","1") = "9"
    & skf18("1","10","3","8","7","7","1") = "9"
    & skf18("1","10","3","8","7","8","1") = "9"
    & skf18("1","10","3","8","7","9","1") = "9"
    & skf18("1","10","3","8","7","10","1") = "9"
    & skf18("1","10","3","8","8","1","1") = "9"
    & skf18("1","10","3","8","8","2","1") = "9"
    & skf18("1","10","3","8","8","3","1") = "9"
    & skf18("1","10","3","8","8","4","1") = "9"
    & skf18("1","10","3","8","8","5","1") = "9"
    & skf18("1","10","3","8","8","6","1") = "9"
    & skf18("1","10","3","8","8","7","1") = "9"
    & skf18("1","10","3","8","8","8","1") = "9"
    & skf18("1","10","3","8","8","9","1") = "9"
    & skf18("1","10","3","8","8","10","1") = "9"
    & skf18("1","10","3","8","9","1","1") = "9"
    & skf18("1","10","3","8","9","2","1") = "9"
    & skf18("1","10","3","8","9","3","1") = "9"
    & skf18("1","10","3","8","9","4","1") = "9"
    & skf18("1","10","3","8","9","5","1") = "9"
    & skf18("1","10","3","8","9","6","1") = "9"
    & skf18("1","10","3","8","9","7","1") = "9"
    & skf18("1","10","3","8","9","8","1") = "9"
    & skf18("1","10","3","8","9","9","1") = "9"
    & skf18("1","10","3","8","9","10","1") = "9"
    & skf18("1","10","3","8","10","1","1") = "9"
    & skf18("1","10","3","8","10","2","1") = "9"
    & skf18("1","10","3","8","10","3","1") = "9"
    & skf18("1","10","3","8","10","4","1") = "9"
    & skf18("1","10","3","8","10","5","1") = "9"
    & skf18("1","10","3","8","10","6","1") = "9"
    & skf18("1","10","3","8","10","7","1") = "9"
    & skf18("1","10","3","8","10","8","1") = "9"
    & skf18("1","10","3","8","10","9","1") = "9"
    & skf18("1","10","3","8","10","10","1") = "9"
    & skf18("1","10","3","9","1","1","1") = "9"
    & skf18("1","10","3","9","1","2","1") = "9"
    & skf18("1","10","3","9","1","3","1") = "9"
    & skf18("1","10","3","9","1","4","1") = "9"
    & skf18("1","10","3","9","1","5","1") = "9"
    & skf18("1","10","3","9","1","6","1") = "9"
    & skf18("1","10","3","9","1","7","1") = "9"
    & skf18("1","10","3","9","1","8","1") = "9"
    & skf18("1","10","3","9","1","9","1") = "9"
    & skf18("1","10","3","9","1","10","1") = "9"
    & skf18("1","10","3","9","2","1","1") = "9"
    & skf18("1","10","3","9","2","2","1") = "9"
    & skf18("1","10","3","9","2","3","1") = "9"
    & skf18("1","10","3","9","2","4","1") = "9"
    & skf18("1","10","3","9","2","5","1") = "9"
    & skf18("1","10","3","9","2","6","1") = "9"
    & skf18("1","10","3","9","2","7","1") = "9"
    & skf18("1","10","3","9","2","8","1") = "9"
    & skf18("1","10","3","9","2","9","1") = "9"
    & skf18("1","10","3","9","2","10","1") = "9"
    & skf18("1","10","3","9","3","1","1") = "9"
    & skf18("1","10","3","9","3","2","1") = "9"
    & skf18("1","10","3","9","3","3","1") = "9"
    & skf18("1","10","3","9","3","4","1") = "9"
    & skf18("1","10","3","9","3","5","1") = "9"
    & skf18("1","10","3","9","3","6","1") = "9"
    & skf18("1","10","3","9","3","7","1") = "9"
    & skf18("1","10","3","9","3","8","1") = "9"
    & skf18("1","10","3","9","3","9","1") = "9"
    & skf18("1","10","3","9","3","10","1") = "9"
    & skf18("1","10","3","9","4","1","1") = "9"
    & skf18("1","10","3","9","4","2","1") = "9"
    & skf18("1","10","3","9","4","3","1") = "9"
    & skf18("1","10","3","9","4","4","1") = "9"
    & skf18("1","10","3","9","4","5","1") = "9"
    & skf18("1","10","3","9","4","6","1") = "9"
    & skf18("1","10","3","9","4","7","1") = "9"
    & skf18("1","10","3","9","4","8","1") = "9"
    & skf18("1","10","3","9","4","9","1") = "9"
    & skf18("1","10","3","9","4","10","1") = "9"
    & skf18("1","10","3","9","5","1","1") = "9"
    & skf18("1","10","3","9","5","2","1") = "9"
    & skf18("1","10","3","9","5","3","1") = "9"
    & skf18("1","10","3","9","5","4","1") = "9"
    & skf18("1","10","3","9","5","5","1") = "9"
    & skf18("1","10","3","9","5","6","1") = "9"
    & skf18("1","10","3","9","5","7","1") = "9"
    & skf18("1","10","3","9","5","8","1") = "9"
    & skf18("1","10","3","9","5","9","1") = "9"
    & skf18("1","10","3","9","5","10","1") = "9"
    & skf18("1","10","3","9","6","1","1") = "9"
    & skf18("1","10","3","9","6","2","1") = "9"
    & skf18("1","10","3","9","6","3","1") = "9"
    & skf18("1","10","3","9","6","4","1") = "9"
    & skf18("1","10","3","9","6","5","1") = "9"
    & skf18("1","10","3","9","6","6","1") = "9"
    & skf18("1","10","3","9","6","7","1") = "9"
    & skf18("1","10","3","9","6","8","1") = "9"
    & skf18("1","10","3","9","6","9","1") = "9"
    & skf18("1","10","3","9","6","10","1") = "9"
    & skf18("1","10","3","9","7","1","1") = "9"
    & skf18("1","10","3","9","7","2","1") = "9"
    & skf18("1","10","3","9","7","3","1") = "9"
    & skf18("1","10","3","9","7","4","1") = "9"
    & skf18("1","10","3","9","7","5","1") = "9"
    & skf18("1","10","3","9","7","6","1") = "9"
    & skf18("1","10","3","9","7","7","1") = "9"
    & skf18("1","10","3","9","7","8","1") = "9"
    & skf18("1","10","3","9","7","9","1") = "9"
    & skf18("1","10","3","9","7","10","1") = "9"
    & skf18("1","10","3","9","8","1","1") = "9"
    & skf18("1","10","3","9","8","2","1") = "9"
    & skf18("1","10","3","9","8","3","1") = "9"
    & skf18("1","10","3","9","8","4","1") = "9"
    & skf18("1","10","3","9","8","5","1") = "9"
    & skf18("1","10","3","9","8","6","1") = "9"
    & skf18("1","10","3","9","8","7","1") = "9"
    & skf18("1","10","3","9","8","8","1") = "9"
    & skf18("1","10","3","9","8","9","1") = "9"
    & skf18("1","10","3","9","8","10","1") = "9"
    & skf18("1","10","3","9","9","1","1") = "9"
    & skf18("1","10","3","9","9","2","1") = "9"
    & skf18("1","10","3","9","9","3","1") = "9"
    & skf18("1","10","3","9","9","4","1") = "9"
    & skf18("1","10","3","9","9","5","1") = "9"
    & skf18("1","10","3","9","9","6","1") = "9"
    & skf18("1","10","3","9","9","7","1") = "9"
    & skf18("1","10","3","9","9","8","1") = "9"
    & skf18("1","10","3","9","9","9","1") = "9"
    & skf18("1","10","3","9","9","10","1") = "9"
    & skf18("1","10","3","9","10","1","1") = "9"
    & skf18("1","10","3","9","10","2","1") = "9"
    & skf18("1","10","3","9","10","3","1") = "9"
    & skf18("1","10","3","9","10","4","1") = "9"
    & skf18("1","10","3","9","10","5","1") = "9"
    & skf18("1","10","3","9","10","6","1") = "9"
    & skf18("1","10","3","9","10","7","1") = "9"
    & skf18("1","10","3","9","10","8","1") = "9"
    & skf18("1","10","3","9","10","9","1") = "9"
    & skf18("1","10","3","9","10","10","1") = "9"
    & skf18("1","10","3","10","1","1","1") = "9"
    & skf18("1","10","3","10","1","2","1") = "9"
    & skf18("1","10","3","10","1","3","1") = "9"
    & skf18("1","10","3","10","1","4","1") = "9"
    & skf18("1","10","3","10","1","5","1") = "9"
    & skf18("1","10","3","10","1","6","1") = "9"
    & skf18("1","10","3","10","1","7","1") = "9"
    & skf18("1","10","3","10","1","8","1") = "9"
    & skf18("1","10","3","10","1","9","1") = "9"
    & skf18("1","10","3","10","1","10","1") = "9"
    & skf18("1","10","3","10","2","1","1") = "9"
    & skf18("1","10","3","10","2","2","1") = "9"
    & skf18("1","10","3","10","2","3","1") = "9"
    & skf18("1","10","3","10","2","4","1") = "9"
    & skf18("1","10","3","10","2","5","1") = "9"
    & skf18("1","10","3","10","2","6","1") = "9"
    & skf18("1","10","3","10","2","7","1") = "9"
    & skf18("1","10","3","10","2","8","1") = "9"
    & skf18("1","10","3","10","2","9","1") = "9"
    & skf18("1","10","3","10","2","10","1") = "9"
    & skf18("1","10","3","10","3","1","1") = "9"
    & skf18("1","10","3","10","3","2","1") = "9"
    & skf18("1","10","3","10","3","3","1") = "9"
    & skf18("1","10","3","10","3","4","1") = "9"
    & skf18("1","10","3","10","3","5","1") = "9"
    & skf18("1","10","3","10","3","6","1") = "9"
    & skf18("1","10","3","10","3","7","1") = "9"
    & skf18("1","10","3","10","3","8","1") = "9"
    & skf18("1","10","3","10","3","9","1") = "9"
    & skf18("1","10","3","10","3","10","1") = "9"
    & skf18("1","10","3","10","4","1","1") = "9"
    & skf18("1","10","3","10","4","2","1") = "9"
    & skf18("1","10","3","10","4","3","1") = "9"
    & skf18("1","10","3","10","4","4","1") = "9"
    & skf18("1","10","3","10","4","5","1") = "9"
    & skf18("1","10","3","10","4","6","1") = "9"
    & skf18("1","10","3","10","4","7","1") = "9"
    & skf18("1","10","3","10","4","8","1") = "9"
    & skf18("1","10","3","10","4","9","1") = "9"
    & skf18("1","10","3","10","4","10","1") = "9"
    & skf18("1","10","3","10","5","1","1") = "9"
    & skf18("1","10","3","10","5","2","1") = "9"
    & skf18("1","10","3","10","5","3","1") = "9"
    & skf18("1","10","3","10","5","4","1") = "9"
    & skf18("1","10","3","10","5","5","1") = "9"
    & skf18("1","10","3","10","5","6","1") = "9"
    & skf18("1","10","3","10","5","7","1") = "9"
    & skf18("1","10","3","10","5","8","1") = "9"
    & skf18("1","10","3","10","5","9","1") = "9"
    & skf18("1","10","3","10","5","10","1") = "9"
    & skf18("1","10","3","10","6","1","1") = "9"
    & skf18("1","10","3","10","6","2","1") = "9"
    & skf18("1","10","3","10","6","3","1") = "9"
    & skf18("1","10","3","10","6","4","1") = "9"
    & skf18("1","10","3","10","6","5","1") = "9"
    & skf18("1","10","3","10","6","6","1") = "9"
    & skf18("1","10","3","10","6","7","1") = "9"
    & skf18("1","10","3","10","6","8","1") = "9"
    & skf18("1","10","3","10","6","9","1") = "9"
    & skf18("1","10","3","10","6","10","1") = "9"
    & skf18("1","10","3","10","7","1","1") = "9"
    & skf18("1","10","3","10","7","2","1") = "9"
    & skf18("1","10","3","10","7","3","1") = "9"
    & skf18("1","10","3","10","7","4","1") = "9"
    & skf18("1","10","3","10","7","5","1") = "9"
    & skf18("1","10","3","10","7","6","1") = "9"
    & skf18("1","10","3","10","7","7","1") = "9"
    & skf18("1","10","3","10","7","8","1") = "9"
    & skf18("1","10","3","10","7","9","1") = "9"
    & skf18("1","10","3","10","7","10","1") = "9"
    & skf18("1","10","3","10","8","1","1") = "9"
    & skf18("1","10","3","10","8","2","1") = "9"
    & skf18("1","10","3","10","8","3","1") = "9"
    & skf18("1","10","3","10","8","4","1") = "9"
    & skf18("1","10","3","10","8","5","1") = "9"
    & skf18("1","10","3","10","8","6","1") = "9"
    & skf18("1","10","3","10","8","7","1") = "9"
    & skf18("1","10","3","10","8","8","1") = "9"
    & skf18("1","10","3","10","8","9","1") = "9"
    & skf18("1","10","3","10","8","10","1") = "9"
    & skf18("1","10","3","10","9","1","1") = "9"
    & skf18("1","10","3","10","9","2","1") = "9"
    & skf18("1","10","3","10","9","3","1") = "9"
    & skf18("1","10","3","10","9","4","1") = "9"
    & skf18("1","10","3","10","9","5","1") = "9"
    & skf18("1","10","3","10","9","6","1") = "9"
    & skf18("1","10","3","10","9","7","1") = "9"
    & skf18("1","10","3","10","9","8","1") = "9"
    & skf18("1","10","3","10","9","9","1") = "9"
    & skf18("1","10","3","10","9","10","1") = "9"
    & skf18("1","10","3","10","10","1","1") = "9"
    & skf18("1","10","3","10","10","2","1") = "9"
    & skf18("1","10","3","10","10","3","1") = "9"
    & skf18("1","10","3","10","10","4","1") = "9"
    & skf18("1","10","3","10","10","5","1") = "9"
    & skf18("1","10","3","10","10","6","1") = "9"
    & skf18("1","10","3","10","10","7","1") = "9"
    & skf18("1","10","3","10","10","8","1") = "9"
    & skf18("1","10","3","10","10","9","1") = "9"
    & skf18("1","10","3","10","10","10","1") = "9"
    & skf18("1","10","4","1","1","1","1") = "9"
    & skf18("1","10","4","1","1","2","1") = "9"
    & skf18("1","10","4","1","1","3","1") = "9"
    & skf18("1","10","4","1","1","4","1") = "9"
    & skf18("1","10","4","1","1","5","1") = "9"
    & skf18("1","10","4","1","1","6","1") = "9"
    & skf18("1","10","4","1","1","7","1") = "9"
    & skf18("1","10","4","1","1","8","1") = "9"
    & skf18("1","10","4","1","1","9","1") = "9"
    & skf18("1","10","4","1","1","10","1") = "9"
    & skf18("1","10","4","1","2","1","1") = "9"
    & skf18("1","10","4","1","2","2","1") = "9"
    & skf18("1","10","4","1","2","3","1") = "9"
    & skf18("1","10","4","1","2","4","1") = "9"
    & skf18("1","10","4","1","2","5","1") = "9"
    & skf18("1","10","4","1","2","6","1") = "9"
    & skf18("1","10","4","1","2","7","1") = "9"
    & skf18("1","10","4","1","2","8","1") = "9"
    & skf18("1","10","4","1","2","9","1") = "9"
    & skf18("1","10","4","1","2","10","1") = "9"
    & skf18("1","10","4","1","3","1","1") = "9"
    & skf18("1","10","4","1","3","2","1") = "9"
    & skf18("1","10","4","1","3","3","1") = "9"
    & skf18("1","10","4","1","3","4","1") = "9"
    & skf18("1","10","4","1","3","5","1") = "9"
    & skf18("1","10","4","1","3","6","1") = "9"
    & skf18("1","10","4","1","3","7","1") = "9"
    & skf18("1","10","4","1","3","8","1") = "9"
    & skf18("1","10","4","1","3","9","1") = "9"
    & skf18("1","10","4","1","3","10","1") = "9"
    & skf18("1","10","4","1","4","1","1") = "9"
    & skf18("1","10","4","1","4","2","1") = "9"
    & skf18("1","10","4","1","4","3","1") = "9"
    & skf18("1","10","4","1","4","4","1") = "9"
    & skf18("1","10","4","1","4","5","1") = "9"
    & skf18("1","10","4","1","4","6","1") = "9"
    & skf18("1","10","4","1","4","7","1") = "9"
    & skf18("1","10","4","1","4","8","1") = "9"
    & skf18("1","10","4","1","4","9","1") = "9"
    & skf18("1","10","4","1","4","10","1") = "9"
    & skf18("1","10","4","1","5","1","1") = "9"
    & skf18("1","10","4","1","5","2","1") = "9"
    & skf18("1","10","4","1","5","3","1") = "9"
    & skf18("1","10","4","1","5","4","1") = "9"
    & skf18("1","10","4","1","5","5","1") = "9"
    & skf18("1","10","4","1","5","6","1") = "9"
    & skf18("1","10","4","1","5","7","1") = "9"
    & skf18("1","10","4","1","5","8","1") = "9"
    & skf18("1","10","4","1","5","9","1") = "9"
    & skf18("1","10","4","1","5","10","1") = "9"
    & skf18("1","10","4","1","6","1","1") = "9"
    & skf18("1","10","4","1","6","2","1") = "9"
    & skf18("1","10","4","1","6","3","1") = "9"
    & skf18("1","10","4","1","6","4","1") = "9"
    & skf18("1","10","4","1","6","5","1") = "9"
    & skf18("1","10","4","1","6","6","1") = "9"
    & skf18("1","10","4","1","6","7","1") = "9"
    & skf18("1","10","4","1","6","8","1") = "9"
    & skf18("1","10","4","1","6","9","1") = "9"
    & skf18("1","10","4","1","6","10","1") = "9"
    & skf18("1","10","4","1","7","1","1") = "9"
    & skf18("1","10","4","1","7","2","1") = "9"
    & skf18("1","10","4","1","7","3","1") = "9"
    & skf18("1","10","4","1","7","4","1") = "9"
    & skf18("1","10","4","1","7","5","1") = "9"
    & skf18("1","10","4","1","7","6","1") = "9"
    & skf18("1","10","4","1","7","7","1") = "9"
    & skf18("1","10","4","1","7","8","1") = "9"
    & skf18("1","10","4","1","7","9","1") = "9"
    & skf18("1","10","4","1","7","10","1") = "9"
    & skf18("1","10","4","1","8","1","1") = "9"
    & skf18("1","10","4","1","8","2","1") = "9"
    & skf18("1","10","4","1","8","3","1") = "9"
    & skf18("1","10","4","1","8","4","1") = "9"
    & skf18("1","10","4","1","8","5","1") = "9"
    & skf18("1","10","4","1","8","6","1") = "9"
    & skf18("1","10","4","1","8","7","1") = "9"
    & skf18("1","10","4","1","8","8","1") = "9"
    & skf18("1","10","4","1","8","9","1") = "9"
    & skf18("1","10","4","1","8","10","1") = "9"
    & skf18("1","10","4","1","9","1","1") = "9"
    & skf18("1","10","4","1","9","2","1") = "9"
    & skf18("1","10","4","1","9","3","1") = "9"
    & skf18("1","10","4","1","9","4","1") = "9"
    & skf18("1","10","4","1","9","5","1") = "9"
    & skf18("1","10","4","1","9","6","1") = "9"
    & skf18("1","10","4","1","9","7","1") = "9"
    & skf18("1","10","4","1","9","8","1") = "9"
    & skf18("1","10","4","1","9","9","1") = "9"
    & skf18("1","10","4","1","9","10","1") = "9"
    & skf18("1","10","4","1","10","1","1") = "9"
    & skf18("1","10","4","1","10","2","1") = "9"
    & skf18("1","10","4","1","10","3","1") = "9"
    & skf18("1","10","4","1","10","4","1") = "9"
    & skf18("1","10","4","1","10","5","1") = "9"
    & skf18("1","10","4","1","10","6","1") = "9"
    & skf18("1","10","4","1","10","7","1") = "9"
    & skf18("1","10","4","1","10","8","1") = "9"
    & skf18("1","10","4","1","10","9","1") = "9"
    & skf18("1","10","4","1","10","10","1") = "9"
    & skf18("1","10","4","2","1","1","1") = "9"
    & skf18("1","10","4","2","1","2","1") = "9"
    & skf18("1","10","4","2","1","3","1") = "9"
    & skf18("1","10","4","2","1","4","1") = "9"
    & skf18("1","10","4","2","1","5","1") = "9"
    & skf18("1","10","4","2","1","6","1") = "9"
    & skf18("1","10","4","2","1","7","1") = "9"
    & skf18("1","10","4","2","1","8","1") = "9"
    & skf18("1","10","4","2","1","9","1") = "9"
    & skf18("1","10","4","2","1","10","1") = "9"
    & skf18("1","10","4","2","2","1","1") = "9"
    & skf18("1","10","4","2","2","2","1") = "9"
    & skf18("1","10","4","2","2","3","1") = "9"
    & skf18("1","10","4","2","2","4","1") = "9"
    & skf18("1","10","4","2","2","5","1") = "9"
    & skf18("1","10","4","2","2","6","1") = "9"
    & skf18("1","10","4","2","2","7","1") = "9"
    & skf18("1","10","4","2","2","8","1") = "9"
    & skf18("1","10","4","2","2","9","1") = "9"
    & skf18("1","10","4","2","2","10","1") = "9"
    & skf18("1","10","4","2","3","1","1") = "9"
    & skf18("1","10","4","2","3","2","1") = "9"
    & skf18("1","10","4","2","3","3","1") = "9"
    & skf18("1","10","4","2","3","4","1") = "9"
    & skf18("1","10","4","2","3","5","1") = "9"
    & skf18("1","10","4","2","3","6","1") = "9"
    & skf18("1","10","4","2","3","7","1") = "9"
    & skf18("1","10","4","2","3","8","1") = "9"
    & skf18("1","10","4","2","3","9","1") = "9"
    & skf18("1","10","4","2","3","10","1") = "9"
    & skf18("1","10","4","2","4","1","1") = "9"
    & skf18("1","10","4","2","4","2","1") = "9"
    & skf18("1","10","4","2","4","3","1") = "9"
    & skf18("1","10","4","2","4","4","1") = "9"
    & skf18("1","10","4","2","4","5","1") = "9"
    & skf18("1","10","4","2","4","6","1") = "9"
    & skf18("1","10","4","2","4","7","1") = "9"
    & skf18("1","10","4","2","4","8","1") = "9"
    & skf18("1","10","4","2","4","9","1") = "9"
    & skf18("1","10","4","2","4","10","1") = "9"
    & skf18("1","10","4","2","5","1","1") = "9"
    & skf18("1","10","4","2","5","2","1") = "9"
    & skf18("1","10","4","2","5","3","1") = "9"
    & skf18("1","10","4","2","5","4","1") = "9"
    & skf18("1","10","4","2","5","5","1") = "9"
    & skf18("1","10","4","2","5","6","1") = "9"
    & skf18("1","10","4","2","5","7","1") = "9"
    & skf18("1","10","4","2","5","8","1") = "9"
    & skf18("1","10","4","2","5","9","1") = "9"
    & skf18("1","10","4","2","5","10","1") = "9"
    & skf18("1","10","4","2","6","1","1") = "9"
    & skf18("1","10","4","2","6","2","1") = "9"
    & skf18("1","10","4","2","6","3","1") = "9"
    & skf18("1","10","4","2","6","4","1") = "9"
    & skf18("1","10","4","2","6","5","1") = "9"
    & skf18("1","10","4","2","6","6","1") = "9"
    & skf18("1","10","4","2","6","7","1") = "9"
    & skf18("1","10","4","2","6","8","1") = "9"
    & skf18("1","10","4","2","6","9","1") = "9"
    & skf18("1","10","4","2","6","10","1") = "9"
    & skf18("1","10","4","2","7","1","1") = "9"
    & skf18("1","10","4","2","7","2","1") = "9"
    & skf18("1","10","4","2","7","3","1") = "9"
    & skf18("1","10","4","2","7","4","1") = "9"
    & skf18("1","10","4","2","7","5","1") = "9"
    & skf18("1","10","4","2","7","6","1") = "9"
    & skf18("1","10","4","2","7","7","1") = "9"
    & skf18("1","10","4","2","7","8","1") = "9"
    & skf18("1","10","4","2","7","9","1") = "9"
    & skf18("1","10","4","2","7","10","1") = "9"
    & skf18("1","10","4","2","8","1","1") = "9"
    & skf18("1","10","4","2","8","2","1") = "9"
    & skf18("1","10","4","2","8","3","1") = "9"
    & skf18("1","10","4","2","8","4","1") = "9"
    & skf18("1","10","4","2","8","5","1") = "9"
    & skf18("1","10","4","2","8","6","1") = "9"
    & skf18("1","10","4","2","8","7","1") = "9"
    & skf18("1","10","4","2","8","8","1") = "9"
    & skf18("1","10","4","2","8","9","1") = "9"
    & skf18("1","10","4","2","8","10","1") = "9"
    & skf18("1","10","4","2","9","1","1") = "9"
    & skf18("1","10","4","2","9","2","1") = "9"
    & skf18("1","10","4","2","9","3","1") = "9"
    & skf18("1","10","4","2","9","4","1") = "9"
    & skf18("1","10","4","2","9","5","1") = "9"
    & skf18("1","10","4","2","9","6","1") = "9"
    & skf18("1","10","4","2","9","7","1") = "9"
    & skf18("1","10","4","2","9","8","1") = "9"
    & skf18("1","10","4","2","9","9","1") = "9"
    & skf18("1","10","4","2","9","10","1") = "9"
    & skf18("1","10","4","2","10","1","1") = "9"
    & skf18("1","10","4","2","10","2","1") = "9"
    & skf18("1","10","4","2","10","3","1") = "9"
    & skf18("1","10","4","2","10","4","1") = "9"
    & skf18("1","10","4","2","10","5","1") = "9"
    & skf18("1","10","4","2","10","6","1") = "9"
    & skf18("1","10","4","2","10","7","1") = "9"
    & skf18("1","10","4","2","10","8","1") = "9"
    & skf18("1","10","4","2","10","9","1") = "9"
    & skf18("1","10","4","2","10","10","1") = "9"
    & skf18("1","10","4","3","1","1","1") = "9"
    & skf18("1","10","4","3","1","2","1") = "9"
    & skf18("1","10","4","3","1","3","1") = "9"
    & skf18("1","10","4","3","1","4","1") = "9"
    & skf18("1","10","4","3","1","5","1") = "9"
    & skf18("1","10","4","3","1","6","1") = "9"
    & skf18("1","10","4","3","1","7","1") = "9"
    & skf18("1","10","4","3","1","8","1") = "9"
    & skf18("1","10","4","3","1","9","1") = "9"
    & skf18("1","10","4","3","1","10","1") = "9"
    & skf18("1","10","4","3","2","1","1") = "9"
    & skf18("1","10","4","3","2","2","1") = "9"
    & skf18("1","10","4","3","2","3","1") = "9"
    & skf18("1","10","4","3","2","4","1") = "9"
    & skf18("1","10","4","3","2","5","1") = "9"
    & skf18("1","10","4","3","2","6","1") = "9"
    & skf18("1","10","4","3","2","7","1") = "9"
    & skf18("1","10","4","3","2","8","1") = "9"
    & skf18("1","10","4","3","2","9","1") = "9"
    & skf18("1","10","4","3","2","10","1") = "9"
    & skf18("1","10","4","3","3","1","1") = "9"
    & skf18("1","10","4","3","3","2","1") = "9"
    & skf18("1","10","4","3","3","3","1") = "9"
    & skf18("1","10","4","3","3","4","1") = "9"
    & skf18("1","10","4","3","3","5","1") = "9"
    & skf18("1","10","4","3","3","6","1") = "9"
    & skf18("1","10","4","3","3","7","1") = "9"
    & skf18("1","10","4","3","3","8","1") = "9"
    & skf18("1","10","4","3","3","9","1") = "9"
    & skf18("1","10","4","3","3","10","1") = "9"
    & skf18("1","10","4","3","4","1","1") = "9"
    & skf18("1","10","4","3","4","2","1") = "9"
    & skf18("1","10","4","3","4","3","1") = "9"
    & skf18("1","10","4","3","4","4","1") = "9"
    & skf18("1","10","4","3","4","5","1") = "9"
    & skf18("1","10","4","3","4","6","1") = "9"
    & skf18("1","10","4","3","4","7","1") = "9"
    & skf18("1","10","4","3","4","8","1") = "9"
    & skf18("1","10","4","3","4","9","1") = "9"
    & skf18("1","10","4","3","4","10","1") = "9"
    & skf18("1","10","4","3","5","1","1") = "9"
    & skf18("1","10","4","3","5","2","1") = "9"
    & skf18("1","10","4","3","5","3","1") = "9"
    & skf18("1","10","4","3","5","4","1") = "9"
    & skf18("1","10","4","3","5","5","1") = "9"
    & skf18("1","10","4","3","5","6","1") = "9"
    & skf18("1","10","4","3","5","7","1") = "9"
    & skf18("1","10","4","3","5","8","1") = "9"
    & skf18("1","10","4","3","5","9","1") = "9"
    & skf18("1","10","4","3","5","10","1") = "9"
    & skf18("1","10","4","3","6","1","1") = "9"
    & skf18("1","10","4","3","6","2","1") = "9"
    & skf18("1","10","4","3","6","3","1") = "9"
    & skf18("1","10","4","3","6","4","1") = "9"
    & skf18("1","10","4","3","6","5","1") = "9"
    & skf18("1","10","4","3","6","6","1") = "9"
    & skf18("1","10","4","3","6","7","1") = "9"
    & skf18("1","10","4","3","6","8","1") = "9"
    & skf18("1","10","4","3","6","9","1") = "9"
    & skf18("1","10","4","3","6","10","1") = "9"
    & skf18("1","10","4","3","7","1","1") = "9"
    & skf18("1","10","4","3","7","2","1") = "9"
    & skf18("1","10","4","3","7","3","1") = "9"
    & skf18("1","10","4","3","7","4","1") = "9"
    & skf18("1","10","4","3","7","5","1") = "9"
    & skf18("1","10","4","3","7","6","1") = "9"
    & skf18("1","10","4","3","7","7","1") = "9"
    & skf18("1","10","4","3","7","8","1") = "9"
    & skf18("1","10","4","3","7","9","1") = "9"
    & skf18("1","10","4","3","7","10","1") = "9"
    & skf18("1","10","4","3","8","1","1") = "9"
    & skf18("1","10","4","3","8","2","1") = "9"
    & skf18("1","10","4","3","8","3","1") = "9"
    & skf18("1","10","4","3","8","4","1") = "9"
    & skf18("1","10","4","3","8","5","1") = "9"
    & skf18("1","10","4","3","8","6","1") = "9"
    & skf18("1","10","4","3","8","7","1") = "9"
    & skf18("1","10","4","3","8","8","1") = "9"
    & skf18("1","10","4","3","8","9","1") = "9"
    & skf18("1","10","4","3","8","10","1") = "9"
    & skf18("1","10","4","3","9","1","1") = "9"
    & skf18("1","10","4","3","9","2","1") = "9"
    & skf18("1","10","4","3","9","3","1") = "9"
    & skf18("1","10","4","3","9","4","1") = "9"
    & skf18("1","10","4","3","9","5","1") = "9"
    & skf18("1","10","4","3","9","6","1") = "9"
    & skf18("1","10","4","3","9","7","1") = "9"
    & skf18("1","10","4","3","9","8","1") = "9"
    & skf18("1","10","4","3","9","9","1") = "9"
    & skf18("1","10","4","3","9","10","1") = "9"
    & skf18("1","10","4","3","10","1","1") = "9"
    & skf18("1","10","4","3","10","2","1") = "9"
    & skf18("1","10","4","3","10","3","1") = "9"
    & skf18("1","10","4","3","10","4","1") = "9"
    & skf18("1","10","4","3","10","5","1") = "9"
    & skf18("1","10","4","3","10","6","1") = "9"
    & skf18("1","10","4","3","10","7","1") = "9"
    & skf18("1","10","4","3","10","8","1") = "9"
    & skf18("1","10","4","3","10","9","1") = "9"
    & skf18("1","10","4","3","10","10","1") = "9"
    & skf18("1","10","4","4","1","1","1") = "9"
    & skf18("1","10","4","4","1","2","1") = "9"
    & skf18("1","10","4","4","1","3","1") = "9"
    & skf18("1","10","4","4","1","4","1") = "9"
    & skf18("1","10","4","4","1","5","1") = "9"
    & skf18("1","10","4","4","1","6","1") = "9"
    & skf18("1","10","4","4","1","7","1") = "9"
    & skf18("1","10","4","4","1","8","1") = "9"
    & skf18("1","10","4","4","1","9","1") = "9"
    & skf18("1","10","4","4","1","10","1") = "9"
    & skf18("1","10","4","4","2","1","1") = "9"
    & skf18("1","10","4","4","2","2","1") = "9"
    & skf18("1","10","4","4","2","3","1") = "9"
    & skf18("1","10","4","4","2","4","1") = "9"
    & skf18("1","10","4","4","2","5","1") = "9"
    & skf18("1","10","4","4","2","6","1") = "9"
    & skf18("1","10","4","4","2","7","1") = "9"
    & skf18("1","10","4","4","2","8","1") = "9"
    & skf18("1","10","4","4","2","9","1") = "9"
    & skf18("1","10","4","4","2","10","1") = "9"
    & skf18("1","10","4","4","3","1","1") = "9"
    & skf18("1","10","4","4","3","2","1") = "9"
    & skf18("1","10","4","4","3","3","1") = "9"
    & skf18("1","10","4","4","3","4","1") = "9"
    & skf18("1","10","4","4","3","5","1") = "9"
    & skf18("1","10","4","4","3","6","1") = "9"
    & skf18("1","10","4","4","3","7","1") = "9"
    & skf18("1","10","4","4","3","8","1") = "9"
    & skf18("1","10","4","4","3","9","1") = "9"
    & skf18("1","10","4","4","3","10","1") = "9"
    & skf18("1","10","4","4","4","1","1") = "9"
    & skf18("1","10","4","4","4","2","1") = "9"
    & skf18("1","10","4","4","4","3","1") = "9"
    & skf18("1","10","4","4","4","4","1") = "9"
    & skf18("1","10","4","4","4","5","1") = "9"
    & skf18("1","10","4","4","4","6","1") = "9"
    & skf18("1","10","4","4","4","7","1") = "9"
    & skf18("1","10","4","4","4","8","1") = "9"
    & skf18("1","10","4","4","4","9","1") = "9"
    & skf18("1","10","4","4","4","10","1") = "9"
    & skf18("1","10","4","4","5","1","1") = "9"
    & skf18("1","10","4","4","5","2","1") = "9"
    & skf18("1","10","4","4","5","3","1") = "9"
    & skf18("1","10","4","4","5","4","1") = "9"
    & skf18("1","10","4","4","5","5","1") = "9"
    & skf18("1","10","4","4","5","6","1") = "9"
    & skf18("1","10","4","4","5","7","1") = "9"
    & skf18("1","10","4","4","5","8","1") = "9"
    & skf18("1","10","4","4","5","9","1") = "9"
    & skf18("1","10","4","4","5","10","1") = "9"
    & skf18("1","10","4","4","6","1","1") = "9"
    & skf18("1","10","4","4","6","2","1") = "9"
    & skf18("1","10","4","4","6","3","1") = "9"
    & skf18("1","10","4","4","6","4","1") = "9"
    & skf18("1","10","4","4","6","5","1") = "9"
    & skf18("1","10","4","4","6","6","1") = "9"
    & skf18("1","10","4","4","6","7","1") = "9"
    & skf18("1","10","4","4","6","8","1") = "9"
    & skf18("1","10","4","4","6","9","1") = "9"
    & skf18("1","10","4","4","6","10","1") = "9"
    & skf18("1","10","4","4","7","1","1") = "9"
    & skf18("1","10","4","4","7","2","1") = "9"
    & skf18("1","10","4","4","7","3","1") = "9"
    & skf18("1","10","4","4","7","4","1") = "9"
    & skf18("1","10","4","4","7","5","1") = "9"
    & skf18("1","10","4","4","7","6","1") = "9"
    & skf18("1","10","4","4","7","7","1") = "9"
    & skf18("1","10","4","4","7","8","1") = "9"
    & skf18("1","10","4","4","7","9","1") = "9"
    & skf18("1","10","4","4","7","10","1") = "9"
    & skf18("1","10","4","4","8","1","1") = "9"
    & skf18("1","10","4","4","8","2","1") = "9"
    & skf18("1","10","4","4","8","3","1") = "9"
    & skf18("1","10","4","4","8","4","1") = "9"
    & skf18("1","10","4","4","8","5","1") = "9"
    & skf18("1","10","4","4","8","6","1") = "9"
    & skf18("1","10","4","4","8","7","1") = "9"
    & skf18("1","10","4","4","8","8","1") = "9"
    & skf18("1","10","4","4","8","9","1") = "9"
    & skf18("1","10","4","4","8","10","1") = "9"
    & skf18("1","10","4","4","9","1","1") = "9"
    & skf18("1","10","4","4","9","2","1") = "9"
    & skf18("1","10","4","4","9","3","1") = "9"
    & skf18("1","10","4","4","9","4","1") = "9"
    & skf18("1","10","4","4","9","5","1") = "9"
    & skf18("1","10","4","4","9","6","1") = "9"
    & skf18("1","10","4","4","9","7","1") = "9"
    & skf18("1","10","4","4","9","8","1") = "9"
    & skf18("1","10","4","4","9","9","1") = "9"
    & skf18("1","10","4","4","9","10","1") = "9"
    & skf18("1","10","4","4","10","1","1") = "9"
    & skf18("1","10","4","4","10","2","1") = "9"
    & skf18("1","10","4","4","10","3","1") = "9"
    & skf18("1","10","4","4","10","4","1") = "9"
    & skf18("1","10","4","4","10","5","1") = "9"
    & skf18("1","10","4","4","10","6","1") = "9"
    & skf18("1","10","4","4","10","7","1") = "9"
    & skf18("1","10","4","4","10","8","1") = "9"
    & skf18("1","10","4","4","10","9","1") = "9"
    & skf18("1","10","4","4","10","10","1") = "9"
    & skf18("1","10","4","5","1","1","1") = "9"
    & skf18("1","10","4","5","1","2","1") = "9"
    & skf18("1","10","4","5","1","3","1") = "9"
    & skf18("1","10","4","5","1","4","1") = "9"
    & skf18("1","10","4","5","1","5","1") = "9"
    & skf18("1","10","4","5","1","6","1") = "9"
    & skf18("1","10","4","5","1","7","1") = "9"
    & skf18("1","10","4","5","1","8","1") = "9"
    & skf18("1","10","4","5","1","9","1") = "9"
    & skf18("1","10","4","5","1","10","1") = "9"
    & skf18("1","10","4","5","2","1","1") = "9"
    & skf18("1","10","4","5","2","2","1") = "9"
    & skf18("1","10","4","5","2","3","1") = "9"
    & skf18("1","10","4","5","2","4","1") = "9"
    & skf18("1","10","4","5","2","5","1") = "9"
    & skf18("1","10","4","5","2","6","1") = "9"
    & skf18("1","10","4","5","2","7","1") = "9"
    & skf18("1","10","4","5","2","8","1") = "9"
    & skf18("1","10","4","5","2","9","1") = "9"
    & skf18("1","10","4","5","2","10","1") = "9"
    & skf18("1","10","4","5","3","1","1") = "9"
    & skf18("1","10","4","5","3","2","1") = "9"
    & skf18("1","10","4","5","3","3","1") = "9"
    & skf18("1","10","4","5","3","4","1") = "9"
    & skf18("1","10","4","5","3","5","1") = "9"
    & skf18("1","10","4","5","3","6","1") = "9"
    & skf18("1","10","4","5","3","7","1") = "9"
    & skf18("1","10","4","5","3","8","1") = "9"
    & skf18("1","10","4","5","3","9","1") = "9"
    & skf18("1","10","4","5","3","10","1") = "9"
    & skf18("1","10","4","5","4","1","1") = "9"
    & skf18("1","10","4","5","4","2","1") = "9"
    & skf18("1","10","4","5","4","3","1") = "9"
    & skf18("1","10","4","5","4","4","1") = "9"
    & skf18("1","10","4","5","4","5","1") = "9"
    & skf18("1","10","4","5","4","6","1") = "9"
    & skf18("1","10","4","5","4","7","1") = "9"
    & skf18("1","10","4","5","4","8","1") = "9"
    & skf18("1","10","4","5","4","9","1") = "9"
    & skf18("1","10","4","5","4","10","1") = "9"
    & skf18("1","10","4","5","5","1","1") = "9"
    & skf18("1","10","4","5","5","2","1") = "9"
    & skf18("1","10","4","5","5","3","1") = "9"
    & skf18("1","10","4","5","5","4","1") = "9"
    & skf18("1","10","4","5","5","5","1") = "9"
    & skf18("1","10","4","5","5","6","1") = "9"
    & skf18("1","10","4","5","5","7","1") = "9"
    & skf18("1","10","4","5","5","8","1") = "9"
    & skf18("1","10","4","5","5","9","1") = "9"
    & skf18("1","10","4","5","5","10","1") = "9"
    & skf18("1","10","4","5","6","1","1") = "9"
    & skf18("1","10","4","5","6","2","1") = "9"
    & skf18("1","10","4","5","6","3","1") = "9"
    & skf18("1","10","4","5","6","4","1") = "9"
    & skf18("1","10","4","5","6","5","1") = "9"
    & skf18("1","10","4","5","6","6","1") = "9"
    & skf18("1","10","4","5","6","7","1") = "9"
    & skf18("1","10","4","5","6","8","1") = "9"
    & skf18("1","10","4","5","6","9","1") = "9"
    & skf18("1","10","4","5","6","10","1") = "9"
    & skf18("1","10","4","5","7","1","1") = "9"
    & skf18("1","10","4","5","7","2","1") = "9"
    & skf18("1","10","4","5","7","3","1") = "9"
    & skf18("1","10","4","5","7","4","1") = "9"
    & skf18("1","10","4","5","7","5","1") = "9"
    & skf18("1","10","4","5","7","6","1") = "9"
    & skf18("1","10","4","5","7","7","1") = "9"
    & skf18("1","10","4","5","7","8","1") = "9"
    & skf18("1","10","4","5","7","9","1") = "9"
    & skf18("1","10","4","5","7","10","1") = "9"
    & skf18("1","10","4","5","8","1","1") = "9"
    & skf18("1","10","4","5","8","2","1") = "9"
    & skf18("1","10","4","5","8","3","1") = "9"
    & skf18("1","10","4","5","8","4","1") = "9"
    & skf18("1","10","4","5","8","5","1") = "9"
    & skf18("1","10","4","5","8","6","1") = "9"
    & skf18("1","10","4","5","8","7","1") = "9"
    & skf18("1","10","4","5","8","8","1") = "9"
    & skf18("1","10","4","5","8","9","1") = "9"
    & skf18("1","10","4","5","8","10","1") = "9"
    & skf18("1","10","4","5","9","1","1") = "9"
    & skf18("1","10","4","5","9","2","1") = "9"
    & skf18("1","10","4","5","9","3","1") = "9"
    & skf18("1","10","4","5","9","4","1") = "9"
    & skf18("1","10","4","5","9","5","1") = "9"
    & skf18("1","10","4","5","9","6","1") = "9"
    & skf18("1","10","4","5","9","7","1") = "9"
    & skf18("1","10","4","5","9","8","1") = "9"
    & skf18("1","10","4","5","9","9","1") = "9"
    & skf18("1","10","4","5","9","10","1") = "9"
    & skf18("1","10","4","5","10","1","1") = "9"
    & skf18("1","10","4","5","10","2","1") = "9"
    & skf18("1","10","4","5","10","3","1") = "9"
    & skf18("1","10","4","5","10","4","1") = "9"
    & skf18("1","10","4","5","10","5","1") = "9"
    & skf18("1","10","4","5","10","6","1") = "9"
    & skf18("1","10","4","5","10","7","1") = "9"
    & skf18("1","10","4","5","10","8","1") = "9"
    & skf18("1","10","4","5","10","9","1") = "9"
    & skf18("1","10","4","5","10","10","1") = "9"
    & skf18("1","10","4","6","1","1","1") = "9"
    & skf18("1","10","4","6","1","2","1") = "9"
    & skf18("1","10","4","6","1","3","1") = "9"
    & skf18("1","10","4","6","1","4","1") = "9"
    & skf18("1","10","4","6","1","5","1") = "9"
    & skf18("1","10","4","6","1","6","1") = "9"
    & skf18("1","10","4","6","1","7","1") = "9"
    & skf18("1","10","4","6","1","8","1") = "9"
    & skf18("1","10","4","6","1","9","1") = "9"
    & skf18("1","10","4","6","1","10","1") = "9"
    & skf18("1","10","4","6","2","1","1") = "9"
    & skf18("1","10","4","6","2","2","1") = "9"
    & skf18("1","10","4","6","2","3","1") = "9"
    & skf18("1","10","4","6","2","4","1") = "9"
    & skf18("1","10","4","6","2","5","1") = "9"
    & skf18("1","10","4","6","2","6","1") = "9"
    & skf18("1","10","4","6","2","7","1") = "9"
    & skf18("1","10","4","6","2","8","1") = "9"
    & skf18("1","10","4","6","2","9","1") = "9"
    & skf18("1","10","4","6","2","10","1") = "9"
    & skf18("1","10","4","6","3","1","1") = "9"
    & skf18("1","10","4","6","3","2","1") = "9"
    & skf18("1","10","4","6","3","3","1") = "9"
    & skf18("1","10","4","6","3","4","1") = "9"
    & skf18("1","10","4","6","3","5","1") = "9"
    & skf18("1","10","4","6","3","6","1") = "9"
    & skf18("1","10","4","6","3","7","1") = "9"
    & skf18("1","10","4","6","3","8","1") = "9"
    & skf18("1","10","4","6","3","9","1") = "9"
    & skf18("1","10","4","6","3","10","1") = "9"
    & skf18("1","10","4","6","4","1","1") = "9"
    & skf18("1","10","4","6","4","2","1") = "9"
    & skf18("1","10","4","6","4","3","1") = "9"
    & skf18("1","10","4","6","4","4","1") = "9"
    & skf18("1","10","4","6","4","5","1") = "9"
    & skf18("1","10","4","6","4","6","1") = "9"
    & skf18("1","10","4","6","4","7","1") = "9"
    & skf18("1","10","4","6","4","8","1") = "9"
    & skf18("1","10","4","6","4","9","1") = "9"
    & skf18("1","10","4","6","4","10","1") = "9"
    & skf18("1","10","4","6","5","1","1") = "9"
    & skf18("1","10","4","6","5","2","1") = "9"
    & skf18("1","10","4","6","5","3","1") = "9"
    & skf18("1","10","4","6","5","4","1") = "9"
    & skf18("1","10","4","6","5","5","1") = "9"
    & skf18("1","10","4","6","5","6","1") = "9"
    & skf18("1","10","4","6","5","7","1") = "9"
    & skf18("1","10","4","6","5","8","1") = "9"
    & skf18("1","10","4","6","5","9","1") = "9"
    & skf18("1","10","4","6","5","10","1") = "9"
    & skf18("1","10","4","6","6","1","1") = "9"
    & skf18("1","10","4","6","6","2","1") = "9"
    & skf18("1","10","4","6","6","3","1") = "9"
    & skf18("1","10","4","6","6","4","1") = "9"
    & skf18("1","10","4","6","6","5","1") = "9"
    & skf18("1","10","4","6","6","6","1") = "9"
    & skf18("1","10","4","6","6","7","1") = "9"
    & skf18("1","10","4","6","6","8","1") = "9"
    & skf18("1","10","4","6","6","9","1") = "9"
    & skf18("1","10","4","6","6","10","1") = "9"
    & skf18("1","10","4","6","7","1","1") = "9"
    & skf18("1","10","4","6","7","2","1") = "9"
    & skf18("1","10","4","6","7","3","1") = "9"
    & skf18("1","10","4","6","7","4","1") = "9"
    & skf18("1","10","4","6","7","5","1") = "9"
    & skf18("1","10","4","6","7","6","1") = "9"
    & skf18("1","10","4","6","7","7","1") = "9"
    & skf18("1","10","4","6","7","8","1") = "9"
    & skf18("1","10","4","6","7","9","1") = "9"
    & skf18("1","10","4","6","7","10","1") = "9"
    & skf18("1","10","4","6","8","1","1") = "9"
    & skf18("1","10","4","6","8","2","1") = "9"
    & skf18("1","10","4","6","8","3","1") = "9"
    & skf18("1","10","4","6","8","4","1") = "9"
    & skf18("1","10","4","6","8","5","1") = "9"
    & skf18("1","10","4","6","8","6","1") = "9"
    & skf18("1","10","4","6","8","7","1") = "9"
    & skf18("1","10","4","6","8","8","1") = "9"
    & skf18("1","10","4","6","8","9","1") = "9"
    & skf18("1","10","4","6","8","10","1") = "9"
    & skf18("1","10","4","6","9","1","1") = "9"
    & skf18("1","10","4","6","9","2","1") = "9"
    & skf18("1","10","4","6","9","3","1") = "9"
    & skf18("1","10","4","6","9","4","1") = "9"
    & skf18("1","10","4","6","9","5","1") = "9"
    & skf18("1","10","4","6","9","6","1") = "9"
    & skf18("1","10","4","6","9","7","1") = "9"
    & skf18("1","10","4","6","9","8","1") = "9"
    & skf18("1","10","4","6","9","9","1") = "9"
    & skf18("1","10","4","6","9","10","1") = "9"
    & skf18("1","10","4","6","10","1","1") = "9"
    & skf18("1","10","4","6","10","2","1") = "9"
    & skf18("1","10","4","6","10","3","1") = "9"
    & skf18("1","10","4","6","10","4","1") = "9"
    & skf18("1","10","4","6","10","5","1") = "9"
    & skf18("1","10","4","6","10","6","1") = "9"
    & skf18("1","10","4","6","10","7","1") = "9"
    & skf18("1","10","4","6","10","8","1") = "9"
    & skf18("1","10","4","6","10","9","1") = "9"
    & skf18("1","10","4","6","10","10","1") = "9"
    & skf18("1","10","4","7","1","1","1") = "9"
    & skf18("1","10","4","7","1","2","1") = "9"
    & skf18("1","10","4","7","1","3","1") = "9"
    & skf18("1","10","4","7","1","4","1") = "9"
    & skf18("1","10","4","7","1","5","1") = "9"
    & skf18("1","10","4","7","1","6","1") = "9"
    & skf18("1","10","4","7","1","7","1") = "9"
    & skf18("1","10","4","7","1","8","1") = "9"
    & skf18("1","10","4","7","1","9","1") = "9"
    & skf18("1","10","4","7","1","10","1") = "9"
    & skf18("1","10","4","7","2","1","1") = "9"
    & skf18("1","10","4","7","2","2","1") = "9"
    & skf18("1","10","4","7","2","3","1") = "9"
    & skf18("1","10","4","7","2","4","1") = "9"
    & skf18("1","10","4","7","2","5","1") = "9"
    & skf18("1","10","4","7","2","6","1") = "9"
    & skf18("1","10","4","7","2","7","1") = "9"
    & skf18("1","10","4","7","2","8","1") = "9"
    & skf18("1","10","4","7","2","9","1") = "9"
    & skf18("1","10","4","7","2","10","1") = "9"
    & skf18("1","10","4","7","3","1","1") = "9"
    & skf18("1","10","4","7","3","2","1") = "9"
    & skf18("1","10","4","7","3","3","1") = "9"
    & skf18("1","10","4","7","3","4","1") = "9"
    & skf18("1","10","4","7","3","5","1") = "9"
    & skf18("1","10","4","7","3","6","1") = "9"
    & skf18("1","10","4","7","3","7","1") = "9"
    & skf18("1","10","4","7","3","8","1") = "9"
    & skf18("1","10","4","7","3","9","1") = "9"
    & skf18("1","10","4","7","3","10","1") = "9"
    & skf18("1","10","4","7","4","1","1") = "9"
    & skf18("1","10","4","7","4","2","1") = "9"
    & skf18("1","10","4","7","4","3","1") = "9"
    & skf18("1","10","4","7","4","4","1") = "9"
    & skf18("1","10","4","7","4","5","1") = "9"
    & skf18("1","10","4","7","4","6","1") = "9"
    & skf18("1","10","4","7","4","7","1") = "9"
    & skf18("1","10","4","7","4","8","1") = "9"
    & skf18("1","10","4","7","4","9","1") = "9"
    & skf18("1","10","4","7","4","10","1") = "9"
    & skf18("1","10","4","7","5","1","1") = "9"
    & skf18("1","10","4","7","5","2","1") = "9"
    & skf18("1","10","4","7","5","3","1") = "9"
    & skf18("1","10","4","7","5","4","1") = "9"
    & skf18("1","10","4","7","5","5","1") = "9"
    & skf18("1","10","4","7","5","6","1") = "9"
    & skf18("1","10","4","7","5","7","1") = "9"
    & skf18("1","10","4","7","5","8","1") = "9"
    & skf18("1","10","4","7","5","9","1") = "9"
    & skf18("1","10","4","7","5","10","1") = "9"
    & skf18("1","10","4","7","6","1","1") = "9"
    & skf18("1","10","4","7","6","2","1") = "9"
    & skf18("1","10","4","7","6","3","1") = "9"
    & skf18("1","10","4","7","6","4","1") = "9"
    & skf18("1","10","4","7","6","5","1") = "9"
    & skf18("1","10","4","7","6","6","1") = "9"
    & skf18("1","10","4","7","6","7","1") = "9"
    & skf18("1","10","4","7","6","8","1") = "9"
    & skf18("1","10","4","7","6","9","1") = "9"
    & skf18("1","10","4","7","6","10","1") = "9"
    & skf18("1","10","4","7","7","1","1") = "9"
    & skf18("1","10","4","7","7","2","1") = "9"
    & skf18("1","10","4","7","7","3","1") = "9"
    & skf18("1","10","4","7","7","4","1") = "9"
    & skf18("1","10","4","7","7","5","1") = "9"
    & skf18("1","10","4","7","7","6","1") = "9"
    & skf18("1","10","4","7","7","7","1") = "9"
    & skf18("1","10","4","7","7","8","1") = "9"
    & skf18("1","10","4","7","7","9","1") = "9"
    & skf18("1","10","4","7","7","10","1") = "9"
    & skf18("1","10","4","7","8","1","1") = "9"
    & skf18("1","10","4","7","8","2","1") = "9"
    & skf18("1","10","4","7","8","3","1") = "9"
    & skf18("1","10","4","7","8","4","1") = "9"
    & skf18("1","10","4","7","8","5","1") = "9"
    & skf18("1","10","4","7","8","6","1") = "9"
    & skf18("1","10","4","7","8","7","1") = "9"
    & skf18("1","10","4","7","8","8","1") = "9"
    & skf18("1","10","4","7","8","9","1") = "9"
    & skf18("1","10","4","7","8","10","1") = "9"
    & skf18("1","10","4","7","9","1","1") = "9"
    & skf18("1","10","4","7","9","2","1") = "9"
    & skf18("1","10","4","7","9","3","1") = "9"
    & skf18("1","10","4","7","9","4","1") = "9"
    & skf18("1","10","4","7","9","5","1") = "9"
    & skf18("1","10","4","7","9","6","1") = "9"
    & skf18("1","10","4","7","9","7","1") = "9"
    & skf18("1","10","4","7","9","8","1") = "9"
    & skf18("1","10","4","7","9","9","1") = "9"
    & skf18("1","10","4","7","9","10","1") = "9"
    & skf18("1","10","4","7","10","1","1") = "9"
    & skf18("1","10","4","7","10","2","1") = "9"
    & skf18("1","10","4","7","10","3","1") = "9"
    & skf18("1","10","4","7","10","4","1") = "9"
    & skf18("1","10","4","7","10","5","1") = "9"
    & skf18("1","10","4","7","10","6","1") = "9"
    & skf18("1","10","4","7","10","7","1") = "9"
    & skf18("1","10","4","7","10","8","1") = "9"
    & skf18("1","10","4","7","10","9","1") = "9"
    & skf18("1","10","4","7","10","10","1") = "9"
    & skf18("1","10","4","8","1","1","1") = "9"
    & skf18("1","10","4","8","1","2","1") = "9"
    & skf18("1","10","4","8","1","3","1") = "9"
    & skf18("1","10","4","8","1","4","1") = "9"
    & skf18("1","10","4","8","1","5","1") = "9"
    & skf18("1","10","4","8","1","6","1") = "9"
    & skf18("1","10","4","8","1","7","1") = "9"
    & skf18("1","10","4","8","1","8","1") = "9"
    & skf18("1","10","4","8","1","9","1") = "9"
    & skf18("1","10","4","8","1","10","1") = "9"
    & skf18("1","10","4","8","2","1","1") = "9"
    & skf18("1","10","4","8","2","2","1") = "9"
    & skf18("1","10","4","8","2","3","1") = "9"
    & skf18("1","10","4","8","2","4","1") = "9"
    & skf18("1","10","4","8","2","5","1") = "9"
    & skf18("1","10","4","8","2","6","1") = "9"
    & skf18("1","10","4","8","2","7","1") = "9"
    & skf18("1","10","4","8","2","8","1") = "9"
    & skf18("1","10","4","8","2","9","1") = "9"
    & skf18("1","10","4","8","2","10","1") = "9"
    & skf18("1","10","4","8","3","1","1") = "9"
    & skf18("1","10","4","8","3","2","1") = "9"
    & skf18("1","10","4","8","3","3","1") = "9"
    & skf18("1","10","4","8","3","4","1") = "9"
    & skf18("1","10","4","8","3","5","1") = "9"
    & skf18("1","10","4","8","3","6","1") = "9"
    & skf18("1","10","4","8","3","7","1") = "9"
    & skf18("1","10","4","8","3","8","1") = "9"
    & skf18("1","10","4","8","3","9","1") = "9"
    & skf18("1","10","4","8","3","10","1") = "9"
    & skf18("1","10","4","8","4","1","1") = "9"
    & skf18("1","10","4","8","4","2","1") = "9"
    & skf18("1","10","4","8","4","3","1") = "9"
    & skf18("1","10","4","8","4","4","1") = "9"
    & skf18("1","10","4","8","4","5","1") = "9"
    & skf18("1","10","4","8","4","6","1") = "9"
    & skf18("1","10","4","8","4","7","1") = "9"
    & skf18("1","10","4","8","4","8","1") = "9"
    & skf18("1","10","4","8","4","9","1") = "9"
    & skf18("1","10","4","8","4","10","1") = "9"
    & skf18("1","10","4","8","5","1","1") = "9"
    & skf18("1","10","4","8","5","2","1") = "9"
    & skf18("1","10","4","8","5","3","1") = "9"
    & skf18("1","10","4","8","5","4","1") = "9"
    & skf18("1","10","4","8","5","5","1") = "9"
    & skf18("1","10","4","8","5","6","1") = "9"
    & skf18("1","10","4","8","5","7","1") = "9"
    & skf18("1","10","4","8","5","8","1") = "9"
    & skf18("1","10","4","8","5","9","1") = "9"
    & skf18("1","10","4","8","5","10","1") = "9"
    & skf18("1","10","4","8","6","1","1") = "9"
    & skf18("1","10","4","8","6","2","1") = "9"
    & skf18("1","10","4","8","6","3","1") = "9"
    & skf18("1","10","4","8","6","4","1") = "9"
    & skf18("1","10","4","8","6","5","1") = "9"
    & skf18("1","10","4","8","6","6","1") = "9"
    & skf18("1","10","4","8","6","7","1") = "9"
    & skf18("1","10","4","8","6","8","1") = "9"
    & skf18("1","10","4","8","6","9","1") = "9"
    & skf18("1","10","4","8","6","10","1") = "9"
    & skf18("1","10","4","8","7","1","1") = "9"
    & skf18("1","10","4","8","7","2","1") = "9"
    & skf18("1","10","4","8","7","3","1") = "9"
    & skf18("1","10","4","8","7","4","1") = "9"
    & skf18("1","10","4","8","7","5","1") = "9"
    & skf18("1","10","4","8","7","6","1") = "9"
    & skf18("1","10","4","8","7","7","1") = "9"
    & skf18("1","10","4","8","7","8","1") = "9"
    & skf18("1","10","4","8","7","9","1") = "9"
    & skf18("1","10","4","8","7","10","1") = "9"
    & skf18("1","10","4","8","8","1","1") = "9"
    & skf18("1","10","4","8","8","2","1") = "9"
    & skf18("1","10","4","8","8","3","1") = "9"
    & skf18("1","10","4","8","8","4","1") = "9"
    & skf18("1","10","4","8","8","5","1") = "9"
    & skf18("1","10","4","8","8","6","1") = "9"
    & skf18("1","10","4","8","8","7","1") = "9"
    & skf18("1","10","4","8","8","8","1") = "9"
    & skf18("1","10","4","8","8","9","1") = "9"
    & skf18("1","10","4","8","8","10","1") = "9"
    & skf18("1","10","4","8","9","1","1") = "9"
    & skf18("1","10","4","8","9","2","1") = "9"
    & skf18("1","10","4","8","9","3","1") = "9"
    & skf18("1","10","4","8","9","4","1") = "9"
    & skf18("1","10","4","8","9","5","1") = "9"
    & skf18("1","10","4","8","9","6","1") = "9"
    & skf18("1","10","4","8","9","7","1") = "9"
    & skf18("1","10","4","8","9","8","1") = "9"
    & skf18("1","10","4","8","9","9","1") = "9"
    & skf18("1","10","4","8","9","10","1") = "9"
    & skf18("1","10","4","8","10","1","1") = "9"
    & skf18("1","10","4","8","10","2","1") = "9"
    & skf18("1","10","4","8","10","3","1") = "9"
    & skf18("1","10","4","8","10","4","1") = "9"
    & skf18("1","10","4","8","10","5","1") = "9"
    & skf18("1","10","4","8","10","6","1") = "9"
    & skf18("1","10","4","8","10","7","1") = "9"
    & skf18("1","10","4","8","10","8","1") = "9"
    & skf18("1","10","4","8","10","9","1") = "9"
    & skf18("1","10","4","8","10","10","1") = "9"
    & skf18("1","10","4","9","1","1","1") = "9"
    & skf18("1","10","4","9","1","2","1") = "9"
    & skf18("1","10","4","9","1","3","1") = "9"
    & skf18("1","10","4","9","1","4","1") = "9"
    & skf18("1","10","4","9","1","5","1") = "9"
    & skf18("1","10","4","9","1","6","1") = "9"
    & skf18("1","10","4","9","1","7","1") = "9"
    & skf18("1","10","4","9","1","8","1") = "9"
    & skf18("1","10","4","9","1","9","1") = "9"
    & skf18("1","10","4","9","1","10","1") = "9"
    & skf18("1","10","4","9","2","1","1") = "9"
    & skf18("1","10","4","9","2","2","1") = "9"
    & skf18("1","10","4","9","2","3","1") = "9"
    & skf18("1","10","4","9","2","4","1") = "9"
    & skf18("1","10","4","9","2","5","1") = "9"
    & skf18("1","10","4","9","2","6","1") = "9"
    & skf18("1","10","4","9","2","7","1") = "9"
    & skf18("1","10","4","9","2","8","1") = "9"
    & skf18("1","10","4","9","2","9","1") = "9"
    & skf18("1","10","4","9","2","10","1") = "9"
    & skf18("1","10","4","9","3","1","1") = "9"
    & skf18("1","10","4","9","3","2","1") = "9"
    & skf18("1","10","4","9","3","3","1") = "9"
    & skf18("1","10","4","9","3","4","1") = "9"
    & skf18("1","10","4","9","3","5","1") = "9"
    & skf18("1","10","4","9","3","6","1") = "9"
    & skf18("1","10","4","9","3","7","1") = "9"
    & skf18("1","10","4","9","3","8","1") = "9"
    & skf18("1","10","4","9","3","9","1") = "9"
    & skf18("1","10","4","9","3","10","1") = "9"
    & skf18("1","10","4","9","4","1","1") = "9"
    & skf18("1","10","4","9","4","2","1") = "9"
    & skf18("1","10","4","9","4","3","1") = "9"
    & skf18("1","10","4","9","4","4","1") = "9"
    & skf18("1","10","4","9","4","5","1") = "9"
    & skf18("1","10","4","9","4","6","1") = "9"
    & skf18("1","10","4","9","4","7","1") = "9"
    & skf18("1","10","4","9","4","8","1") = "9"
    & skf18("1","10","4","9","4","9","1") = "9"
    & skf18("1","10","4","9","4","10","1") = "9"
    & skf18("1","10","4","9","5","1","1") = "9"
    & skf18("1","10","4","9","5","2","1") = "9"
    & skf18("1","10","4","9","5","3","1") = "9"
    & skf18("1","10","4","9","5","4","1") = "9"
    & skf18("1","10","4","9","5","5","1") = "9"
    & skf18("1","10","4","9","5","6","1") = "9"
    & skf18("1","10","4","9","5","7","1") = "9"
    & skf18("1","10","4","9","5","8","1") = "9"
    & skf18("1","10","4","9","5","9","1") = "9"
    & skf18("1","10","4","9","5","10","1") = "9"
    & skf18("1","10","4","9","6","1","1") = "9"
    & skf18("1","10","4","9","6","2","1") = "9"
    & skf18("1","10","4","9","6","3","1") = "9"
    & skf18("1","10","4","9","6","4","1") = "9"
    & skf18("1","10","4","9","6","5","1") = "9"
    & skf18("1","10","4","9","6","6","1") = "9"
    & skf18("1","10","4","9","6","7","1") = "9"
    & skf18("1","10","4","9","6","8","1") = "9"
    & skf18("1","10","4","9","6","9","1") = "9"
    & skf18("1","10","4","9","6","10","1") = "9"
    & skf18("1","10","4","9","7","1","1") = "9"
    & skf18("1","10","4","9","7","2","1") = "9"
    & skf18("1","10","4","9","7","3","1") = "9"
    & skf18("1","10","4","9","7","4","1") = "9"
    & skf18("1","10","4","9","7","5","1") = "9"
    & skf18("1","10","4","9","7","6","1") = "9"
    & skf18("1","10","4","9","7","7","1") = "9"
    & skf18("1","10","4","9","7","8","1") = "9"
    & skf18("1","10","4","9","7","9","1") = "9"
    & skf18("1","10","4","9","7","10","1") = "9"
    & skf18("1","10","4","9","8","1","1") = "9"
    & skf18("1","10","4","9","8","2","1") = "9"
    & skf18("1","10","4","9","8","3","1") = "9"
    & skf18("1","10","4","9","8","4","1") = "9"
    & skf18("1","10","4","9","8","5","1") = "9"
    & skf18("1","10","4","9","8","6","1") = "9"
    & skf18("1","10","4","9","8","7","1") = "9"
    & skf18("1","10","4","9","8","8","1") = "9"
    & skf18("1","10","4","9","8","9","1") = "9"
    & skf18("1","10","4","9","8","10","1") = "9"
    & skf18("1","10","4","9","9","1","1") = "9"
    & skf18("1","10","4","9","9","2","1") = "9"
    & skf18("1","10","4","9","9","3","1") = "9"
    & skf18("1","10","4","9","9","4","1") = "9"
    & skf18("1","10","4","9","9","5","1") = "9"
    & skf18("1","10","4","9","9","6","1") = "9"
    & skf18("1","10","4","9","9","7","1") = "9"
    & skf18("1","10","4","9","9","8","1") = "9"
    & skf18("1","10","4","9","9","9","1") = "9"
    & skf18("1","10","4","9","9","10","1") = "9"
    & skf18("1","10","4","9","10","1","1") = "9"
    & skf18("1","10","4","9","10","2","1") = "9"
    & skf18("1","10","4","9","10","3","1") = "9"
    & skf18("1","10","4","9","10","4","1") = "9"
    & skf18("1","10","4","9","10","5","1") = "9"
    & skf18("1","10","4","9","10","6","1") = "9"
    & skf18("1","10","4","9","10","7","1") = "9"
    & skf18("1","10","4","9","10","8","1") = "9"
    & skf18("1","10","4","9","10","9","1") = "9"
    & skf18("1","10","4","9","10","10","1") = "9"
    & skf18("1","10","4","10","1","1","1") = "9"
    & skf18("1","10","4","10","1","2","1") = "9"
    & skf18("1","10","4","10","1","3","1") = "9"
    & skf18("1","10","4","10","1","4","1") = "9"
    & skf18("1","10","4","10","1","5","1") = "9"
    & skf18("1","10","4","10","1","6","1") = "9"
    & skf18("1","10","4","10","1","7","1") = "9"
    & skf18("1","10","4","10","1","8","1") = "9"
    & skf18("1","10","4","10","1","9","1") = "9"
    & skf18("1","10","4","10","1","10","1") = "9"
    & skf18("1","10","4","10","2","1","1") = "9"
    & skf18("1","10","4","10","2","2","1") = "9"
    & skf18("1","10","4","10","2","3","1") = "9"
    & skf18("1","10","4","10","2","4","1") = "9"
    & skf18("1","10","4","10","2","5","1") = "9"
    & skf18("1","10","4","10","2","6","1") = "9"
    & skf18("1","10","4","10","2","7","1") = "9"
    & skf18("1","10","4","10","2","8","1") = "9"
    & skf18("1","10","4","10","2","9","1") = "9"
    & skf18("1","10","4","10","2","10","1") = "9"
    & skf18("1","10","4","10","3","1","1") = "9"
    & skf18("1","10","4","10","3","2","1") = "9"
    & skf18("1","10","4","10","3","3","1") = "9"
    & skf18("1","10","4","10","3","4","1") = "9"
    & skf18("1","10","4","10","3","5","1") = "9"
    & skf18("1","10","4","10","3","6","1") = "9"
    & skf18("1","10","4","10","3","7","1") = "9"
    & skf18("1","10","4","10","3","8","1") = "9"
    & skf18("1","10","4","10","3","9","1") = "9"
    & skf18("1","10","4","10","3","10","1") = "9"
    & skf18("1","10","4","10","4","1","1") = "9"
    & skf18("1","10","4","10","4","2","1") = "9"
    & skf18("1","10","4","10","4","3","1") = "9"
    & skf18("1","10","4","10","4","4","1") = "9"
    & skf18("1","10","4","10","4","5","1") = "9"
    & skf18("1","10","4","10","4","6","1") = "9"
    & skf18("1","10","4","10","4","7","1") = "9"
    & skf18("1","10","4","10","4","8","1") = "9"
    & skf18("1","10","4","10","4","9","1") = "9"
    & skf18("1","10","4","10","4","10","1") = "9"
    & skf18("1","10","4","10","5","1","1") = "9"
    & skf18("1","10","4","10","5","2","1") = "9"
    & skf18("1","10","4","10","5","3","1") = "9"
    & skf18("1","10","4","10","5","4","1") = "9"
    & skf18("1","10","4","10","5","5","1") = "9"
    & skf18("1","10","4","10","5","6","1") = "9"
    & skf18("1","10","4","10","5","7","1") = "9"
    & skf18("1","10","4","10","5","8","1") = "9"
    & skf18("1","10","4","10","5","9","1") = "9"
    & skf18("1","10","4","10","5","10","1") = "9"
    & skf18("1","10","4","10","6","1","1") = "9"
    & skf18("1","10","4","10","6","2","1") = "9"
    & skf18("1","10","4","10","6","3","1") = "9"
    & skf18("1","10","4","10","6","4","1") = "9"
    & skf18("1","10","4","10","6","5","1") = "9"
    & skf18("1","10","4","10","6","6","1") = "9"
    & skf18("1","10","4","10","6","7","1") = "9"
    & skf18("1","10","4","10","6","8","1") = "9"
    & skf18("1","10","4","10","6","9","1") = "9"
    & skf18("1","10","4","10","6","10","1") = "9"
    & skf18("1","10","4","10","7","1","1") = "9"
    & skf18("1","10","4","10","7","2","1") = "9"
    & skf18("1","10","4","10","7","3","1") = "9"
    & skf18("1","10","4","10","7","4","1") = "9"
    & skf18("1","10","4","10","7","5","1") = "9"
    & skf18("1","10","4","10","7","6","1") = "9"
    & skf18("1","10","4","10","7","7","1") = "9"
    & skf18("1","10","4","10","7","8","1") = "9"
    & skf18("1","10","4","10","7","9","1") = "9"
    & skf18("1","10","4","10","7","10","1") = "9"
    & skf18("1","10","4","10","8","1","1") = "9"
    & skf18("1","10","4","10","8","2","1") = "9"
    & skf18("1","10","4","10","8","3","1") = "9"
    & skf18("1","10","4","10","8","4","1") = "9"
    & skf18("1","10","4","10","8","5","1") = "9"
    & skf18("1","10","4","10","8","6","1") = "9"
    & skf18("1","10","4","10","8","7","1") = "9"
    & skf18("1","10","4","10","8","8","1") = "9"
    & skf18("1","10","4","10","8","9","1") = "9"
    & skf18("1","10","4","10","8","10","1") = "9"
    & skf18("1","10","4","10","9","1","1") = "9"
    & skf18("1","10","4","10","9","2","1") = "9"
    & skf18("1","10","4","10","9","3","1") = "9"
    & skf18("1","10","4","10","9","4","1") = "9"
    & skf18("1","10","4","10","9","5","1") = "9"
    & skf18("1","10","4","10","9","6","1") = "9"
    & skf18("1","10","4","10","9","7","1") = "9"
    & skf18("1","10","4","10","9","8","1") = "9"
    & skf18("1","10","4","10","9","9","1") = "9"
    & skf18("1","10","4","10","9","10","1") = "9"
    & skf18("1","10","4","10","10","1","1") = "9"
    & skf18("1","10","4","10","10","2","1") = "9"
    & skf18("1","10","4","10","10","3","1") = "9"
    & skf18("1","10","4","10","10","4","1") = "9"
    & skf18("1","10","4","10","10","5","1") = "9"
    & skf18("1","10","4","10","10","6","1") = "9"
    & skf18("1","10","4","10","10","7","1") = "9"
    & skf18("1","10","4","10","10","8","1") = "9"
    & skf18("1","10","4","10","10","9","1") = "9"
    & skf18("1","10","4","10","10","10","1") = "9"
    & skf18("1","10","5","1","1","1","1") = "9"
    & skf18("1","10","5","1","1","2","1") = "9"
    & skf18("1","10","5","1","1","3","1") = "9"
    & skf18("1","10","5","1","1","4","1") = "9"
    & skf18("1","10","5","1","1","5","1") = "9"
    & skf18("1","10","5","1","1","6","1") = "9"
    & skf18("1","10","5","1","1","7","1") = "9"
    & skf18("1","10","5","1","1","8","1") = "9"
    & skf18("1","10","5","1","1","9","1") = "9"
    & skf18("1","10","5","1","1","10","1") = "9"
    & skf18("1","10","5","1","2","1","1") = "9"
    & skf18("1","10","5","1","2","2","1") = "9"
    & skf18("1","10","5","1","2","3","1") = "9"
    & skf18("1","10","5","1","2","4","1") = "9"
    & skf18("1","10","5","1","2","5","1") = "9"
    & skf18("1","10","5","1","2","6","1") = "9"
    & skf18("1","10","5","1","2","7","1") = "9"
    & skf18("1","10","5","1","2","8","1") = "9"
    & skf18("1","10","5","1","2","9","1") = "9"
    & skf18("1","10","5","1","2","10","1") = "9"
    & skf18("1","10","5","1","3","1","1") = "9"
    & skf18("1","10","5","1","3","2","1") = "9"
    & skf18("1","10","5","1","3","3","1") = "9"
    & skf18("1","10","5","1","3","4","1") = "9"
    & skf18("1","10","5","1","3","5","1") = "9"
    & skf18("1","10","5","1","3","6","1") = "9"
    & skf18("1","10","5","1","3","7","1") = "9"
    & skf18("1","10","5","1","3","8","1") = "9"
    & skf18("1","10","5","1","3","9","1") = "9"
    & skf18("1","10","5","1","3","10","1") = "9"
    & skf18("1","10","5","1","4","1","1") = "9"
    & skf18("1","10","5","1","4","2","1") = "9"
    & skf18("1","10","5","1","4","3","1") = "9"
    & skf18("1","10","5","1","4","4","1") = "9"
    & skf18("1","10","5","1","4","5","1") = "9"
    & skf18("1","10","5","1","4","6","1") = "9"
    & skf18("1","10","5","1","4","7","1") = "9"
    & skf18("1","10","5","1","4","8","1") = "9"
    & skf18("1","10","5","1","4","9","1") = "9"
    & skf18("1","10","5","1","4","10","1") = "9"
    & skf18("1","10","5","1","5","1","1") = "9"
    & skf18("1","10","5","1","5","2","1") = "9"
    & skf18("1","10","5","1","5","3","1") = "9"
    & skf18("1","10","5","1","5","4","1") = "9"
    & skf18("1","10","5","1","5","5","1") = "9"
    & skf18("1","10","5","1","5","6","1") = "9"
    & skf18("1","10","5","1","5","7","1") = "9"
    & skf18("1","10","5","1","5","8","1") = "9"
    & skf18("1","10","5","1","5","9","1") = "9"
    & skf18("1","10","5","1","5","10","1") = "9"
    & skf18("1","10","5","1","6","1","1") = "9"
    & skf18("1","10","5","1","6","2","1") = "9"
    & skf18("1","10","5","1","6","3","1") = "9"
    & skf18("1","10","5","1","6","4","1") = "9"
    & skf18("1","10","5","1","6","5","1") = "9"
    & skf18("1","10","5","1","6","6","1") = "9"
    & skf18("1","10","5","1","6","7","1") = "9"
    & skf18("1","10","5","1","6","8","1") = "9"
    & skf18("1","10","5","1","6","9","1") = "9"
    & skf18("1","10","5","1","6","10","1") = "9"
    & skf18("1","10","5","1","7","1","1") = "9"
    & skf18("1","10","5","1","7","2","1") = "9"
    & skf18("1","10","5","1","7","3","1") = "9"
    & skf18("1","10","5","1","7","4","1") = "9"
    & skf18("1","10","5","1","7","5","1") = "9"
    & skf18("1","10","5","1","7","6","1") = "9"
    & skf18("1","10","5","1","7","7","1") = "9"
    & skf18("1","10","5","1","7","8","1") = "9"
    & skf18("1","10","5","1","7","9","1") = "9"
    & skf18("1","10","5","1","7","10","1") = "9"
    & skf18("1","10","5","1","8","1","1") = "9"
    & skf18("1","10","5","1","8","2","1") = "9"
    & skf18("1","10","5","1","8","3","1") = "9"
    & skf18("1","10","5","1","8","4","1") = "9"
    & skf18("1","10","5","1","8","5","1") = "9"
    & skf18("1","10","5","1","8","6","1") = "9"
    & skf18("1","10","5","1","8","7","1") = "9"
    & skf18("1","10","5","1","8","8","1") = "9"
    & skf18("1","10","5","1","8","9","1") = "9"
    & skf18("1","10","5","1","8","10","1") = "9"
    & skf18("1","10","5","1","9","1","1") = "9"
    & skf18("1","10","5","1","9","2","1") = "9"
    & skf18("1","10","5","1","9","3","1") = "9"
    & skf18("1","10","5","1","9","4","1") = "9"
    & skf18("1","10","5","1","9","5","1") = "9"
    & skf18("1","10","5","1","9","6","1") = "9"
    & skf18("1","10","5","1","9","7","1") = "9"
    & skf18("1","10","5","1","9","8","1") = "9"
    & skf18("1","10","5","1","9","9","1") = "9"
    & skf18("1","10","5","1","9","10","1") = "9"
    & skf18("1","10","5","1","10","1","1") = "9"
    & skf18("1","10","5","1","10","2","1") = "9"
    & skf18("1","10","5","1","10","3","1") = "9"
    & skf18("1","10","5","1","10","4","1") = "9"
    & skf18("1","10","5","1","10","5","1") = "9"
    & skf18("1","10","5","1","10","6","1") = "9"
    & skf18("1","10","5","1","10","7","1") = "9"
    & skf18("1","10","5","1","10","8","1") = "9"
    & skf18("1","10","5","1","10","9","1") = "9"
    & skf18("1","10","5","1","10","10","1") = "9"
    & skf18("1","10","5","2","1","1","1") = "9"
    & skf18("1","10","5","2","1","2","1") = "9"
    & skf18("1","10","5","2","1","3","1") = "9"
    & skf18("1","10","5","2","1","4","1") = "9"
    & skf18("1","10","5","2","1","5","1") = "9"
    & skf18("1","10","5","2","1","6","1") = "9"
    & skf18("1","10","5","2","1","7","1") = "9"
    & skf18("1","10","5","2","1","8","1") = "9"
    & skf18("1","10","5","2","1","9","1") = "9"
    & skf18("1","10","5","2","1","10","1") = "9"
    & skf18("1","10","5","2","2","1","1") = "9"
    & skf18("1","10","5","2","2","2","1") = "9"
    & skf18("1","10","5","2","2","3","1") = "9"
    & skf18("1","10","5","2","2","4","1") = "9"
    & skf18("1","10","5","2","2","5","1") = "9"
    & skf18("1","10","5","2","2","6","1") = "9"
    & skf18("1","10","5","2","2","7","1") = "9"
    & skf18("1","10","5","2","2","8","1") = "9"
    & skf18("1","10","5","2","2","9","1") = "9"
    & skf18("1","10","5","2","2","10","1") = "9"
    & skf18("1","10","5","2","3","1","1") = "9"
    & skf18("1","10","5","2","3","2","1") = "9"
    & skf18("1","10","5","2","3","3","1") = "9"
    & skf18("1","10","5","2","3","4","1") = "9"
    & skf18("1","10","5","2","3","5","1") = "9"
    & skf18("1","10","5","2","3","6","1") = "9"
    & skf18("1","10","5","2","3","7","1") = "9"
    & skf18("1","10","5","2","3","8","1") = "9"
    & skf18("1","10","5","2","3","9","1") = "9"
    & skf18("1","10","5","2","3","10","1") = "9"
    & skf18("1","10","5","2","4","1","1") = "9"
    & skf18("1","10","5","2","4","2","1") = "9"
    & skf18("1","10","5","2","4","3","1") = "9"
    & skf18("1","10","5","2","4","4","1") = "9"
    & skf18("1","10","5","2","4","5","1") = "9"
    & skf18("1","10","5","2","4","6","1") = "9"
    & skf18("1","10","5","2","4","7","1") = "9"
    & skf18("1","10","5","2","4","8","1") = "9"
    & skf18("1","10","5","2","4","9","1") = "9"
    & skf18("1","10","5","2","4","10","1") = "9"
    & skf18("1","10","5","2","5","1","1") = "9"
    & skf18("1","10","5","2","5","2","1") = "9"
    & skf18("1","10","5","2","5","3","1") = "9"
    & skf18("1","10","5","2","5","4","1") = "9"
    & skf18("1","10","5","2","5","5","1") = "9"
    & skf18("1","10","5","2","5","6","1") = "9"
    & skf18("1","10","5","2","5","7","1") = "9"
    & skf18("1","10","5","2","5","8","1") = "9"
    & skf18("1","10","5","2","5","9","1") = "9"
    & skf18("1","10","5","2","5","10","1") = "9"
    & skf18("1","10","5","2","6","1","1") = "9"
    & skf18("1","10","5","2","6","2","1") = "9"
    & skf18("1","10","5","2","6","3","1") = "9"
    & skf18("1","10","5","2","6","4","1") = "9"
    & skf18("1","10","5","2","6","5","1") = "9"
    & skf18("1","10","5","2","6","6","1") = "9"
    & skf18("1","10","5","2","6","7","1") = "9"
    & skf18("1","10","5","2","6","8","1") = "9"
    & skf18("1","10","5","2","6","9","1") = "9"
    & skf18("1","10","5","2","6","10","1") = "9"
    & skf18("1","10","5","2","7","1","1") = "9"
    & skf18("1","10","5","2","7","2","1") = "9"
    & skf18("1","10","5","2","7","3","1") = "9"
    & skf18("1","10","5","2","7","4","1") = "9"
    & skf18("1","10","5","2","7","5","1") = "9"
    & skf18("1","10","5","2","7","6","1") = "9"
    & skf18("1","10","5","2","7","7","1") = "9"
    & skf18("1","10","5","2","7","8","1") = "9"
    & skf18("1","10","5","2","7","9","1") = "9"
    & skf18("1","10","5","2","7","10","1") = "9"
    & skf18("1","10","5","2","8","1","1") = "9"
    & skf18("1","10","5","2","8","2","1") = "9"
    & skf18("1","10","5","2","8","3","1") = "9"
    & skf18("1","10","5","2","8","4","1") = "9"
    & skf18("1","10","5","2","8","5","1") = "9"
    & skf18("1","10","5","2","8","6","1") = "9"
    & skf18("1","10","5","2","8","7","1") = "9"
    & skf18("1","10","5","2","8","8","1") = "9"
    & skf18("1","10","5","2","8","9","1") = "9"
    & skf18("1","10","5","2","8","10","1") = "9"
    & skf18("1","10","5","2","9","1","1") = "9"
    & skf18("1","10","5","2","9","2","1") = "9"
    & skf18("1","10","5","2","9","3","1") = "9"
    & skf18("1","10","5","2","9","4","1") = "9"
    & skf18("1","10","5","2","9","5","1") = "9"
    & skf18("1","10","5","2","9","6","1") = "9"
    & skf18("1","10","5","2","9","7","1") = "9"
    & skf18("1","10","5","2","9","8","1") = "9"
    & skf18("1","10","5","2","9","9","1") = "9"
    & skf18("1","10","5","2","9","10","1") = "9"
    & skf18("1","10","5","2","10","1","1") = "9"
    & skf18("1","10","5","2","10","2","1") = "9"
    & skf18("1","10","5","2","10","3","1") = "9"
    & skf18("1","10","5","2","10","4","1") = "9"
    & skf18("1","10","5","2","10","5","1") = "9"
    & skf18("1","10","5","2","10","6","1") = "9"
    & skf18("1","10","5","2","10","7","1") = "9"
    & skf18("1","10","5","2","10","8","1") = "9"
    & skf18("1","10","5","2","10","9","1") = "9"
    & skf18("1","10","5","2","10","10","1") = "9"
    & skf18("1","10","5","3","1","1","1") = "9"
    & skf18("1","10","5","3","1","2","1") = "9"
    & skf18("1","10","5","3","1","3","1") = "9"
    & skf18("1","10","5","3","1","4","1") = "9"
    & skf18("1","10","5","3","1","5","1") = "9"
    & skf18("1","10","5","3","1","6","1") = "9"
    & skf18("1","10","5","3","1","7","1") = "9"
    & skf18("1","10","5","3","1","8","1") = "9"
    & skf18("1","10","5","3","1","9","1") = "9"
    & skf18("1","10","5","3","1","10","1") = "9"
    & skf18("1","10","5","3","2","1","1") = "9"
    & skf18("1","10","5","3","2","2","1") = "9"
    & skf18("1","10","5","3","2","3","1") = "9"
    & skf18("1","10","5","3","2","4","1") = "9"
    & skf18("1","10","5","3","2","5","1") = "9"
    & skf18("1","10","5","3","2","6","1") = "9"
    & skf18("1","10","5","3","2","7","1") = "9"
    & skf18("1","10","5","3","2","8","1") = "9"
    & skf18("1","10","5","3","2","9","1") = "9"
    & skf18("1","10","5","3","2","10","1") = "9"
    & skf18("1","10","5","3","3","1","1") = "9"
    & skf18("1","10","5","3","3","2","1") = "9"
    & skf18("1","10","5","3","3","3","1") = "9"
    & skf18("1","10","5","3","3","4","1") = "9"
    & skf18("1","10","5","3","3","5","1") = "9"
    & skf18("1","10","5","3","3","6","1") = "9"
    & skf18("1","10","5","3","3","7","1") = "9"
    & skf18("1","10","5","3","3","8","1") = "9"
    & skf18("1","10","5","3","3","9","1") = "9"
    & skf18("1","10","5","3","3","10","1") = "9"
    & skf18("1","10","5","3","4","1","1") = "9"
    & skf18("1","10","5","3","4","2","1") = "9"
    & skf18("1","10","5","3","4","3","1") = "9"
    & skf18("1","10","5","3","4","4","1") = "9"
    & skf18("1","10","5","3","4","5","1") = "9"
    & skf18("1","10","5","3","4","6","1") = "9"
    & skf18("1","10","5","3","4","7","1") = "9"
    & skf18("1","10","5","3","4","8","1") = "9"
    & skf18("1","10","5","3","4","9","1") = "9"
    & skf18("1","10","5","3","4","10","1") = "9"
    & skf18("1","10","5","3","5","1","1") = "9"
    & skf18("1","10","5","3","5","2","1") = "9"
    & skf18("1","10","5","3","5","3","1") = "9"
    & skf18("1","10","5","3","5","4","1") = "9"
    & skf18("1","10","5","3","5","5","1") = "9"
    & skf18("1","10","5","3","5","6","1") = "9"
    & skf18("1","10","5","3","5","7","1") = "9"
    & skf18("1","10","5","3","5","8","1") = "9"
    & skf18("1","10","5","3","5","9","1") = "9"
    & skf18("1","10","5","3","5","10","1") = "9"
    & skf18("1","10","5","3","6","1","1") = "9"
    & skf18("1","10","5","3","6","2","1") = "9"
    & skf18("1","10","5","3","6","3","1") = "9"
    & skf18("1","10","5","3","6","4","1") = "9"
    & skf18("1","10","5","3","6","5","1") = "9"
    & skf18("1","10","5","3","6","6","1") = "9"
    & skf18("1","10","5","3","6","7","1") = "9"
    & skf18("1","10","5","3","6","8","1") = "9"
    & skf18("1","10","5","3","6","9","1") = "9"
    & skf18("1","10","5","3","6","10","1") = "9"
    & skf18("1","10","5","3","7","1","1") = "9"
    & skf18("1","10","5","3","7","2","1") = "9"
    & skf18("1","10","5","3","7","3","1") = "9"
    & skf18("1","10","5","3","7","4","1") = "9"
    & skf18("1","10","5","3","7","5","1") = "9"
    & skf18("1","10","5","3","7","6","1") = "9"
    & skf18("1","10","5","3","7","7","1") = "9"
    & skf18("1","10","5","3","7","8","1") = "9"
    & skf18("1","10","5","3","7","9","1") = "9"
    & skf18("1","10","5","3","7","10","1") = "9"
    & skf18("1","10","5","3","8","1","1") = "9"
    & skf18("1","10","5","3","8","2","1") = "9"
    & skf18("1","10","5","3","8","3","1") = "9"
    & skf18("1","10","5","3","8","4","1") = "9"
    & skf18("1","10","5","3","8","5","1") = "9"
    & skf18("1","10","5","3","8","6","1") = "9"
    & skf18("1","10","5","3","8","7","1") = "9"
    & skf18("1","10","5","3","8","8","1") = "9"
    & skf18("1","10","5","3","8","9","1") = "9"
    & skf18("1","10","5","3","8","10","1") = "9"
    & skf18("1","10","5","3","9","1","1") = "9"
    & skf18("1","10","5","3","9","2","1") = "9"
    & skf18("1","10","5","3","9","3","1") = "9"
    & skf18("1","10","5","3","9","4","1") = "9"
    & skf18("1","10","5","3","9","5","1") = "9"
    & skf18("1","10","5","3","9","6","1") = "9"
    & skf18("1","10","5","3","9","7","1") = "9"
    & skf18("1","10","5","3","9","8","1") = "9"
    & skf18("1","10","5","3","9","9","1") = "9"
    & skf18("1","10","5","3","9","10","1") = "9"
    & skf18("1","10","5","3","10","1","1") = "9"
    & skf18("1","10","5","3","10","2","1") = "9"
    & skf18("1","10","5","3","10","3","1") = "9"
    & skf18("1","10","5","3","10","4","1") = "9"
    & skf18("1","10","5","3","10","5","1") = "9"
    & skf18("1","10","5","3","10","6","1") = "9"
    & skf18("1","10","5","3","10","7","1") = "9"
    & skf18("1","10","5","3","10","8","1") = "9"
    & skf18("1","10","5","3","10","9","1") = "9"
    & skf18("1","10","5","3","10","10","1") = "9"
    & skf18("1","10","5","4","1","1","1") = "9"
    & skf18("1","10","5","4","1","2","1") = "9"
    & skf18("1","10","5","4","1","3","1") = "9"
    & skf18("1","10","5","4","1","4","1") = "9"
    & skf18("1","10","5","4","1","5","1") = "9"
    & skf18("1","10","5","4","1","6","1") = "9"
    & skf18("1","10","5","4","1","7","1") = "9"
    & skf18("1","10","5","4","1","8","1") = "9"
    & skf18("1","10","5","4","1","9","1") = "9"
    & skf18("1","10","5","4","1","10","1") = "9"
    & skf18("1","10","5","4","2","1","1") = "9"
    & skf18("1","10","5","4","2","2","1") = "9"
    & skf18("1","10","5","4","2","3","1") = "9"
    & skf18("1","10","5","4","2","4","1") = "9"
    & skf18("1","10","5","4","2","5","1") = "9"
    & skf18("1","10","5","4","2","6","1") = "9"
    & skf18("1","10","5","4","2","7","1") = "9"
    & skf18("1","10","5","4","2","8","1") = "9"
    & skf18("1","10","5","4","2","9","1") = "9"
    & skf18("1","10","5","4","2","10","1") = "9"
    & skf18("1","10","5","4","3","1","1") = "9"
    & skf18("1","10","5","4","3","2","1") = "9"
    & skf18("1","10","5","4","3","3","1") = "9"
    & skf18("1","10","5","4","3","4","1") = "9"
    & skf18("1","10","5","4","3","5","1") = "9"
    & skf18("1","10","5","4","3","6","1") = "9"
    & skf18("1","10","5","4","3","7","1") = "9"
    & skf18("1","10","5","4","3","8","1") = "9"
    & skf18("1","10","5","4","3","9","1") = "9"
    & skf18("1","10","5","4","3","10","1") = "9"
    & skf18("1","10","5","4","4","1","1") = "9"
    & skf18("1","10","5","4","4","2","1") = "9"
    & skf18("1","10","5","4","4","3","1") = "9"
    & skf18("1","10","5","4","4","4","1") = "9"
    & skf18("1","10","5","4","4","5","1") = "9"
    & skf18("1","10","5","4","4","6","1") = "9"
    & skf18("1","10","5","4","4","7","1") = "9"
    & skf18("1","10","5","4","4","8","1") = "9"
    & skf18("1","10","5","4","4","9","1") = "9"
    & skf18("1","10","5","4","4","10","1") = "9"
    & skf18("1","10","5","4","5","1","1") = "9"
    & skf18("1","10","5","4","5","2","1") = "9"
    & skf18("1","10","5","4","5","3","1") = "9"
    & skf18("1","10","5","4","5","4","1") = "9"
    & skf18("1","10","5","4","5","5","1") = "9"
    & skf18("1","10","5","4","5","6","1") = "9"
    & skf18("1","10","5","4","5","7","1") = "9"
    & skf18("1","10","5","4","5","8","1") = "9"
    & skf18("1","10","5","4","5","9","1") = "9"
    & skf18("1","10","5","4","5","10","1") = "9"
    & skf18("1","10","5","4","6","1","1") = "9"
    & skf18("1","10","5","4","6","2","1") = "9"
    & skf18("1","10","5","4","6","3","1") = "9"
    & skf18("1","10","5","4","6","4","1") = "9"
    & skf18("1","10","5","4","6","5","1") = "9"
    & skf18("1","10","5","4","6","6","1") = "9"
    & skf18("1","10","5","4","6","7","1") = "9"
    & skf18("1","10","5","4","6","8","1") = "9"
    & skf18("1","10","5","4","6","9","1") = "9"
    & skf18("1","10","5","4","6","10","1") = "9"
    & skf18("1","10","5","4","7","1","1") = "9"
    & skf18("1","10","5","4","7","2","1") = "9"
    & skf18("1","10","5","4","7","3","1") = "9"
    & skf18("1","10","5","4","7","4","1") = "9"
    & skf18("1","10","5","4","7","5","1") = "9"
    & skf18("1","10","5","4","7","6","1") = "9"
    & skf18("1","10","5","4","7","7","1") = "9"
    & skf18("1","10","5","4","7","8","1") = "9"
    & skf18("1","10","5","4","7","9","1") = "9"
    & skf18("1","10","5","4","7","10","1") = "9"
    & skf18("1","10","5","4","8","1","1") = "9"
    & skf18("1","10","5","4","8","2","1") = "9"
    & skf18("1","10","5","4","8","3","1") = "9"
    & skf18("1","10","5","4","8","4","1") = "9"
    & skf18("1","10","5","4","8","5","1") = "9"
    & skf18("1","10","5","4","8","6","1") = "9"
    & skf18("1","10","5","4","8","7","1") = "9"
    & skf18("1","10","5","4","8","8","1") = "9"
    & skf18("1","10","5","4","8","9","1") = "9"
    & skf18("1","10","5","4","8","10","1") = "9"
    & skf18("1","10","5","4","9","1","1") = "9"
    & skf18("1","10","5","4","9","2","1") = "9"
    & skf18("1","10","5","4","9","3","1") = "9"
    & skf18("1","10","5","4","9","4","1") = "9"
    & skf18("1","10","5","4","9","5","1") = "9"
    & skf18("1","10","5","4","9","6","1") = "9"
    & skf18("1","10","5","4","9","7","1") = "9"
    & skf18("1","10","5","4","9","8","1") = "9"
    & skf18("1","10","5","4","9","9","1") = "9"
    & skf18("1","10","5","4","9","10","1") = "9"
    & skf18("1","10","5","4","10","1","1") = "9"
    & skf18("1","10","5","4","10","2","1") = "9"
    & skf18("1","10","5","4","10","3","1") = "9"
    & skf18("1","10","5","4","10","4","1") = "9"
    & skf18("1","10","5","4","10","5","1") = "9"
    & skf18("1","10","5","4","10","6","1") = "9"
    & skf18("1","10","5","4","10","7","1") = "9"
    & skf18("1","10","5","4","10","8","1") = "9"
    & skf18("1","10","5","4","10","9","1") = "9"
    & skf18("1","10","5","4","10","10","1") = "9"
    & skf18("1","10","5","5","1","1","1") = "9"
    & skf18("1","10","5","5","1","2","1") = "9"
    & skf18("1","10","5","5","1","3","1") = "9"
    & skf18("1","10","5","5","1","4","1") = "9"
    & skf18("1","10","5","5","1","5","1") = "9"
    & skf18("1","10","5","5","1","6","1") = "9"
    & skf18("1","10","5","5","1","7","1") = "9"
    & skf18("1","10","5","5","1","8","1") = "9"
    & skf18("1","10","5","5","1","9","1") = "9"
    & skf18("1","10","5","5","1","10","1") = "9"
    & skf18("1","10","5","5","2","1","1") = "9"
    & skf18("1","10","5","5","2","2","1") = "9"
    & skf18("1","10","5","5","2","3","1") = "9"
    & skf18("1","10","5","5","2","4","1") = "9"
    & skf18("1","10","5","5","2","5","1") = "9"
    & skf18("1","10","5","5","2","6","1") = "9"
    & skf18("1","10","5","5","2","7","1") = "9"
    & skf18("1","10","5","5","2","8","1") = "9"
    & skf18("1","10","5","5","2","9","1") = "9"
    & skf18("1","10","5","5","2","10","1") = "9"
    & skf18("1","10","5","5","3","1","1") = "9"
    & skf18("1","10","5","5","3","2","1") = "9"
    & skf18("1","10","5","5","3","3","1") = "9"
    & skf18("1","10","5","5","3","4","1") = "9"
    & skf18("1","10","5","5","3","5","1") = "9"
    & skf18("1","10","5","5","3","6","1") = "9"
    & skf18("1","10","5","5","3","7","1") = "9"
    & skf18("1","10","5","5","3","8","1") = "9"
    & skf18("1","10","5","5","3","9","1") = "9"
    & skf18("1","10","5","5","3","10","1") = "9"
    & skf18("1","10","5","5","4","1","1") = "9"
    & skf18("1","10","5","5","4","2","1") = "9"
    & skf18("1","10","5","5","4","3","1") = "9"
    & skf18("1","10","5","5","4","4","1") = "9"
    & skf18("1","10","5","5","4","5","1") = "9"
    & skf18("1","10","5","5","4","6","1") = "9"
    & skf18("1","10","5","5","4","7","1") = "9"
    & skf18("1","10","5","5","4","8","1") = "9"
    & skf18("1","10","5","5","4","9","1") = "9"
    & skf18("1","10","5","5","4","10","1") = "9"
    & skf18("1","10","5","5","5","1","1") = "9"
    & skf18("1","10","5","5","5","2","1") = "9"
    & skf18("1","10","5","5","5","3","1") = "9"
    & skf18("1","10","5","5","5","4","1") = "9"
    & skf18("1","10","5","5","5","5","1") = "9"
    & skf18("1","10","5","5","5","6","1") = "9"
    & skf18("1","10","5","5","5","7","1") = "9"
    & skf18("1","10","5","5","5","8","1") = "9"
    & skf18("1","10","5","5","5","9","1") = "9"
    & skf18("1","10","5","5","5","10","1") = "9"
    & skf18("1","10","5","5","6","1","1") = "9"
    & skf18("1","10","5","5","6","2","1") = "9"
    & skf18("1","10","5","5","6","3","1") = "9"
    & skf18("1","10","5","5","6","4","1") = "9"
    & skf18("1","10","5","5","6","5","1") = "9"
    & skf18("1","10","5","5","6","6","1") = "9"
    & skf18("1","10","5","5","6","7","1") = "9"
    & skf18("1","10","5","5","6","8","1") = "9"
    & skf18("1","10","5","5","6","9","1") = "9"
    & skf18("1","10","5","5","6","10","1") = "9"
    & skf18("1","10","5","5","7","1","1") = "9"
    & skf18("1","10","5","5","7","2","1") = "9"
    & skf18("1","10","5","5","7","3","1") = "9"
    & skf18("1","10","5","5","7","4","1") = "9"
    & skf18("1","10","5","5","7","5","1") = "9"
    & skf18("1","10","5","5","7","6","1") = "9"
    & skf18("1","10","5","5","7","7","1") = "9"
    & skf18("1","10","5","5","7","8","1") = "9"
    & skf18("1","10","5","5","7","9","1") = "9"
    & skf18("1","10","5","5","7","10","1") = "9"
    & skf18("1","10","5","5","8","1","1") = "9"
    & skf18("1","10","5","5","8","2","1") = "9"
    & skf18("1","10","5","5","8","3","1") = "9"
    & skf18("1","10","5","5","8","4","1") = "9"
    & skf18("1","10","5","5","8","5","1") = "9"
    & skf18("1","10","5","5","8","6","1") = "9"
    & skf18("1","10","5","5","8","7","1") = "9"
    & skf18("1","10","5","5","8","8","1") = "9"
    & skf18("1","10","5","5","8","9","1") = "9"
    & skf18("1","10","5","5","8","10","1") = "9"
    & skf18("1","10","5","5","9","1","1") = "9"
    & skf18("1","10","5","5","9","2","1") = "9"
    & skf18("1","10","5","5","9","3","1") = "9"
    & skf18("1","10","5","5","9","4","1") = "9"
    & skf18("1","10","5","5","9","5","1") = "9"
    & skf18("1","10","5","5","9","6","1") = "9"
    & skf18("1","10","5","5","9","7","1") = "9"
    & skf18("1","10","5","5","9","8","1") = "9"
    & skf18("1","10","5","5","9","9","1") = "9"
    & skf18("1","10","5","5","9","10","1") = "9"
    & skf18("1","10","5","5","10","1","1") = "9"
    & skf18("1","10","5","5","10","2","1") = "9"
    & skf18("1","10","5","5","10","3","1") = "9"
    & skf18("1","10","5","5","10","4","1") = "9"
    & skf18("1","10","5","5","10","5","1") = "9"
    & skf18("1","10","5","5","10","6","1") = "9"
    & skf18("1","10","5","5","10","7","1") = "9"
    & skf18("1","10","5","5","10","8","1") = "9"
    & skf18("1","10","5","5","10","9","1") = "9"
    & skf18("1","10","5","5","10","10","1") = "9"
    & skf18("1","10","5","6","1","1","1") = "9"
    & skf18("1","10","5","6","1","2","1") = "9"
    & skf18("1","10","5","6","1","3","1") = "9"
    & skf18("1","10","5","6","1","4","1") = "9"
    & skf18("1","10","5","6","1","5","1") = "9"
    & skf18("1","10","5","6","1","6","1") = "9"
    & skf18("1","10","5","6","1","7","1") = "9"
    & skf18("1","10","5","6","1","8","1") = "9"
    & skf18("1","10","5","6","1","9","1") = "9"
    & skf18("1","10","5","6","1","10","1") = "9"
    & skf18("1","10","5","6","2","1","1") = "9"
    & skf18("1","10","5","6","2","2","1") = "9"
    & skf18("1","10","5","6","2","3","1") = "9"
    & skf18("1","10","5","6","2","4","1") = "9"
    & skf18("1","10","5","6","2","5","1") = "9"
    & skf18("1","10","5","6","2","6","1") = "9"
    & skf18("1","10","5","6","2","7","1") = "9"
    & skf18("1","10","5","6","2","8","1") = "9"
    & skf18("1","10","5","6","2","9","1") = "9"
    & skf18("1","10","5","6","2","10","1") = "9"
    & skf18("1","10","5","6","3","1","1") = "9"
    & skf18("1","10","5","6","3","2","1") = "9"
    & skf18("1","10","5","6","3","3","1") = "9"
    & skf18("1","10","5","6","3","4","1") = "9"
    & skf18("1","10","5","6","3","5","1") = "9"
    & skf18("1","10","5","6","3","6","1") = "9"
    & skf18("1","10","5","6","3","7","1") = "9"
    & skf18("1","10","5","6","3","8","1") = "9"
    & skf18("1","10","5","6","3","9","1") = "9"
    & skf18("1","10","5","6","3","10","1") = "9"
    & skf18("1","10","5","6","4","1","1") = "9"
    & skf18("1","10","5","6","4","2","1") = "9"
    & skf18("1","10","5","6","4","3","1") = "9"
    & skf18("1","10","5","6","4","4","1") = "9"
    & skf18("1","10","5","6","4","5","1") = "9"
    & skf18("1","10","5","6","4","6","1") = "9"
    & skf18("1","10","5","6","4","7","1") = "9"
    & skf18("1","10","5","6","4","8","1") = "9"
    & skf18("1","10","5","6","4","9","1") = "9"
    & skf18("1","10","5","6","4","10","1") = "9"
    & skf18("1","10","5","6","5","1","1") = "9"
    & skf18("1","10","5","6","5","2","1") = "9"
    & skf18("1","10","5","6","5","3","1") = "9"
    & skf18("1","10","5","6","5","4","1") = "9"
    & skf18("1","10","5","6","5","5","1") = "9"
    & skf18("1","10","5","6","5","6","1") = "9"
    & skf18("1","10","5","6","5","7","1") = "9"
    & skf18("1","10","5","6","5","8","1") = "9"
    & skf18("1","10","5","6","5","9","1") = "9"
    & skf18("1","10","5","6","5","10","1") = "9"
    & skf18("1","10","5","6","6","1","1") = "9"
    & skf18("1","10","5","6","6","2","1") = "9"
    & skf18("1","10","5","6","6","3","1") = "9"
    & skf18("1","10","5","6","6","4","1") = "9"
    & skf18("1","10","5","6","6","5","1") = "9"
    & skf18("1","10","5","6","6","6","1") = "9"
    & skf18("1","10","5","6","6","7","1") = "9"
    & skf18("1","10","5","6","6","8","1") = "9"
    & skf18("1","10","5","6","6","9","1") = "9"
    & skf18("1","10","5","6","6","10","1") = "9"
    & skf18("1","10","5","6","7","1","1") = "9"
    & skf18("1","10","5","6","7","2","1") = "9"
    & skf18("1","10","5","6","7","3","1") = "9"
    & skf18("1","10","5","6","7","4","1") = "9"
    & skf18("1","10","5","6","7","5","1") = "9"
    & skf18("1","10","5","6","7","6","1") = "9"
    & skf18("1","10","5","6","7","7","1") = "9"
    & skf18("1","10","5","6","7","8","1") = "9"
    & skf18("1","10","5","6","7","9","1") = "9"
    & skf18("1","10","5","6","7","10","1") = "9"
    & skf18("1","10","5","6","8","1","1") = "9"
    & skf18("1","10","5","6","8","2","1") = "9"
    & skf18("1","10","5","6","8","3","1") = "9"
    & skf18("1","10","5","6","8","4","1") = "9"
    & skf18("1","10","5","6","8","5","1") = "9"
    & skf18("1","10","5","6","8","6","1") = "9"
    & skf18("1","10","5","6","8","7","1") = "9"
    & skf18("1","10","5","6","8","8","1") = "9"
    & skf18("1","10","5","6","8","9","1") = "9"
    & skf18("1","10","5","6","8","10","1") = "9"
    & skf18("1","10","5","6","9","1","1") = "9"
    & skf18("1","10","5","6","9","2","1") = "9"
    & skf18("1","10","5","6","9","3","1") = "9"
    & skf18("1","10","5","6","9","4","1") = "9"
    & skf18("1","10","5","6","9","5","1") = "9"
    & skf18("1","10","5","6","9","6","1") = "9"
    & skf18("1","10","5","6","9","7","1") = "9"
    & skf18("1","10","5","6","9","8","1") = "9"
    & skf18("1","10","5","6","9","9","1") = "9"
    & skf18("1","10","5","6","9","10","1") = "9"
    & skf18("1","10","5","6","10","1","1") = "9"
    & skf18("1","10","5","6","10","2","1") = "9"
    & skf18("1","10","5","6","10","3","1") = "9"
    & skf18("1","10","5","6","10","4","1") = "9"
    & skf18("1","10","5","6","10","5","1") = "9"
    & skf18("1","10","5","6","10","6","1") = "9"
    & skf18("1","10","5","6","10","7","1") = "9"
    & skf18("1","10","5","6","10","8","1") = "9"
    & skf18("1","10","5","6","10","9","1") = "9"
    & skf18("1","10","5","6","10","10","1") = "9"
    & skf18("1","10","5","7","1","1","1") = "9"
    & skf18("1","10","5","7","1","2","1") = "9"
    & skf18("1","10","5","7","1","3","1") = "9"
    & skf18("1","10","5","7","1","4","1") = "9"
    & skf18("1","10","5","7","1","5","1") = "9"
    & skf18("1","10","5","7","1","6","1") = "9"
    & skf18("1","10","5","7","1","7","1") = "9"
    & skf18("1","10","5","7","1","8","1") = "9"
    & skf18("1","10","5","7","1","9","1") = "9"
    & skf18("1","10","5","7","1","10","1") = "9"
    & skf18("1","10","5","7","2","1","1") = "9"
    & skf18("1","10","5","7","2","2","1") = "9"
    & skf18("1","10","5","7","2","3","1") = "9"
    & skf18("1","10","5","7","2","4","1") = "9"
    & skf18("1","10","5","7","2","5","1") = "9"
    & skf18("1","10","5","7","2","6","1") = "9"
    & skf18("1","10","5","7","2","7","1") = "9"
    & skf18("1","10","5","7","2","8","1") = "9"
    & skf18("1","10","5","7","2","9","1") = "9"
    & skf18("1","10","5","7","2","10","1") = "9"
    & skf18("1","10","5","7","3","1","1") = "9"
    & skf18("1","10","5","7","3","2","1") = "9"
    & skf18("1","10","5","7","3","3","1") = "9"
    & skf18("1","10","5","7","3","4","1") = "9"
    & skf18("1","10","5","7","3","5","1") = "9"
    & skf18("1","10","5","7","3","6","1") = "9"
    & skf18("1","10","5","7","3","7","1") = "9"
    & skf18("1","10","5","7","3","8","1") = "9"
    & skf18("1","10","5","7","3","9","1") = "9"
    & skf18("1","10","5","7","3","10","1") = "9"
    & skf18("1","10","5","7","4","1","1") = "9"
    & skf18("1","10","5","7","4","2","1") = "9"
    & skf18("1","10","5","7","4","3","1") = "9"
    & skf18("1","10","5","7","4","4","1") = "9"
    & skf18("1","10","5","7","4","5","1") = "9"
    & skf18("1","10","5","7","4","6","1") = "9"
    & skf18("1","10","5","7","4","7","1") = "9"
    & skf18("1","10","5","7","4","8","1") = "9"
    & skf18("1","10","5","7","4","9","1") = "9"
    & skf18("1","10","5","7","4","10","1") = "9"
    & skf18("1","10","5","7","5","1","1") = "9"
    & skf18("1","10","5","7","5","2","1") = "9"
    & skf18("1","10","5","7","5","3","1") = "9"
    & skf18("1","10","5","7","5","4","1") = "9"
    & skf18("1","10","5","7","5","5","1") = "9"
    & skf18("1","10","5","7","5","6","1") = "9"
    & skf18("1","10","5","7","5","7","1") = "9"
    & skf18("1","10","5","7","5","8","1") = "9"
    & skf18("1","10","5","7","5","9","1") = "9"
    & skf18("1","10","5","7","5","10","1") = "9"
    & skf18("1","10","5","7","6","1","1") = "9"
    & skf18("1","10","5","7","6","2","1") = "9"
    & skf18("1","10","5","7","6","3","1") = "9"
    & skf18("1","10","5","7","6","4","1") = "9"
    & skf18("1","10","5","7","6","5","1") = "9"
    & skf18("1","10","5","7","6","6","1") = "9"
    & skf18("1","10","5","7","6","7","1") = "9"
    & skf18("1","10","5","7","6","8","1") = "9"
    & skf18("1","10","5","7","6","9","1") = "9"
    & skf18("1","10","5","7","6","10","1") = "9"
    & skf18("1","10","5","7","7","1","1") = "9"
    & skf18("1","10","5","7","7","2","1") = "9"
    & skf18("1","10","5","7","7","3","1") = "9"
    & skf18("1","10","5","7","7","4","1") = "9"
    & skf18("1","10","5","7","7","5","1") = "9"
    & skf18("1","10","5","7","7","6","1") = "9"
    & skf18("1","10","5","7","7","7","1") = "9"
    & skf18("1","10","5","7","7","8","1") = "9"
    & skf18("1","10","5","7","7","9","1") = "9"
    & skf18("1","10","5","7","7","10","1") = "9"
    & skf18("1","10","5","7","8","1","1") = "9"
    & skf18("1","10","5","7","8","2","1") = "9"
    & skf18("1","10","5","7","8","3","1") = "9"
    & skf18("1","10","5","7","8","4","1") = "9"
    & skf18("1","10","5","7","8","5","1") = "9"
    & skf18("1","10","5","7","8","6","1") = "9"
    & skf18("1","10","5","7","8","7","1") = "9"
    & skf18("1","10","5","7","8","8","1") = "9"
    & skf18("1","10","5","7","8","9","1") = "9"
    & skf18("1","10","5","7","8","10","1") = "9"
    & skf18("1","10","5","7","9","1","1") = "9"
    & skf18("1","10","5","7","9","2","1") = "9"
    & skf18("1","10","5","7","9","3","1") = "9"
    & skf18("1","10","5","7","9","4","1") = "9"
    & skf18("1","10","5","7","9","5","1") = "9"
    & skf18("1","10","5","7","9","6","1") = "9"
    & skf18("1","10","5","7","9","7","1") = "9"
    & skf18("1","10","5","7","9","8","1") = "9"
    & skf18("1","10","5","7","9","9","1") = "9"
    & skf18("1","10","5","7","9","10","1") = "9"
    & skf18("1","10","5","7","10","1","1") = "9"
    & skf18("1","10","5","7","10","2","1") = "9"
    & skf18("1","10","5","7","10","3","1") = "9"
    & skf18("1","10","5","7","10","4","1") = "9"
    & skf18("1","10","5","7","10","5","1") = "9"
    & skf18("1","10","5","7","10","6","1") = "9"
    & skf18("1","10","5","7","10","7","1") = "9"
    & skf18("1","10","5","7","10","8","1") = "9"
    & skf18("1","10","5","7","10","9","1") = "9"
    & skf18("1","10","5","7","10","10","1") = "9"
    & skf18("1","10","5","8","1","1","1") = "9"
    & skf18("1","10","5","8","1","2","1") = "9"
    & skf18("1","10","5","8","1","3","1") = "9"
    & skf18("1","10","5","8","1","4","1") = "9"
    & skf18("1","10","5","8","1","5","1") = "9"
    & skf18("1","10","5","8","1","6","1") = "9"
    & skf18("1","10","5","8","1","7","1") = "9"
    & skf18("1","10","5","8","1","8","1") = "9"
    & skf18("1","10","5","8","1","9","1") = "9"
    & skf18("1","10","5","8","1","10","1") = "9"
    & skf18("1","10","5","8","2","1","1") = "9"
    & skf18("1","10","5","8","2","2","1") = "9"
    & skf18("1","10","5","8","2","3","1") = "9"
    & skf18("1","10","5","8","2","4","1") = "9"
    & skf18("1","10","5","8","2","5","1") = "9"
    & skf18("1","10","5","8","2","6","1") = "9"
    & skf18("1","10","5","8","2","7","1") = "9"
    & skf18("1","10","5","8","2","8","1") = "9"
    & skf18("1","10","5","8","2","9","1") = "9"
    & skf18("1","10","5","8","2","10","1") = "9"
    & skf18("1","10","5","8","3","1","1") = "9"
    & skf18("1","10","5","8","3","2","1") = "9"
    & skf18("1","10","5","8","3","3","1") = "9"
    & skf18("1","10","5","8","3","4","1") = "9"
    & skf18("1","10","5","8","3","5","1") = "9"
    & skf18("1","10","5","8","3","6","1") = "9"
    & skf18("1","10","5","8","3","7","1") = "9"
    & skf18("1","10","5","8","3","8","1") = "9"
    & skf18("1","10","5","8","3","9","1") = "9"
    & skf18("1","10","5","8","3","10","1") = "9"
    & skf18("1","10","5","8","4","1","1") = "9"
    & skf18("1","10","5","8","4","2","1") = "9"
    & skf18("1","10","5","8","4","3","1") = "9"
    & skf18("1","10","5","8","4","4","1") = "9"
    & skf18("1","10","5","8","4","5","1") = "9"
    & skf18("1","10","5","8","4","6","1") = "9"
    & skf18("1","10","5","8","4","7","1") = "9"
    & skf18("1","10","5","8","4","8","1") = "9"
    & skf18("1","10","5","8","4","9","1") = "9"
    & skf18("1","10","5","8","4","10","1") = "9"
    & skf18("1","10","5","8","5","1","1") = "9"
    & skf18("1","10","5","8","5","2","1") = "9"
    & skf18("1","10","5","8","5","3","1") = "9"
    & skf18("1","10","5","8","5","4","1") = "9"
    & skf18("1","10","5","8","5","5","1") = "9"
    & skf18("1","10","5","8","5","6","1") = "9"
    & skf18("1","10","5","8","5","7","1") = "9"
    & skf18("1","10","5","8","5","8","1") = "9"
    & skf18("1","10","5","8","5","9","1") = "9"
    & skf18("1","10","5","8","5","10","1") = "9"
    & skf18("1","10","5","8","6","1","1") = "9"
    & skf18("1","10","5","8","6","2","1") = "9"
    & skf18("1","10","5","8","6","3","1") = "9"
    & skf18("1","10","5","8","6","4","1") = "9"
    & skf18("1","10","5","8","6","5","1") = "9"
    & skf18("1","10","5","8","6","6","1") = "9"
    & skf18("1","10","5","8","6","7","1") = "9"
    & skf18("1","10","5","8","6","8","1") = "9"
    & skf18("1","10","5","8","6","9","1") = "9"
    & skf18("1","10","5","8","6","10","1") = "9"
    & skf18("1","10","5","8","7","1","1") = "9"
    & skf18("1","10","5","8","7","2","1") = "9"
    & skf18("1","10","5","8","7","3","1") = "9"
    & skf18("1","10","5","8","7","4","1") = "9"
    & skf18("1","10","5","8","7","5","1") = "9"
    & skf18("1","10","5","8","7","6","1") = "9"
    & skf18("1","10","5","8","7","7","1") = "9"
    & skf18("1","10","5","8","7","8","1") = "9"
    & skf18("1","10","5","8","7","9","1") = "9"
    & skf18("1","10","5","8","7","10","1") = "9"
    & skf18("1","10","5","8","8","1","1") = "9"
    & skf18("1","10","5","8","8","2","1") = "9"
    & skf18("1","10","5","8","8","3","1") = "9"
    & skf18("1","10","5","8","8","4","1") = "9"
    & skf18("1","10","5","8","8","5","1") = "9"
    & skf18("1","10","5","8","8","6","1") = "9"
    & skf18("1","10","5","8","8","7","1") = "9"
    & skf18("1","10","5","8","8","8","1") = "9"
    & skf18("1","10","5","8","8","9","1") = "9"
    & skf18("1","10","5","8","8","10","1") = "9"
    & skf18("1","10","5","8","9","1","1") = "9"
    & skf18("1","10","5","8","9","2","1") = "9"
    & skf18("1","10","5","8","9","3","1") = "9"
    & skf18("1","10","5","8","9","4","1") = "9"
    & skf18("1","10","5","8","9","5","1") = "9"
    & skf18("1","10","5","8","9","6","1") = "9"
    & skf18("1","10","5","8","9","7","1") = "9"
    & skf18("1","10","5","8","9","8","1") = "9"
    & skf18("1","10","5","8","9","9","1") = "9"
    & skf18("1","10","5","8","9","10","1") = "9"
    & skf18("1","10","5","8","10","1","1") = "9"
    & skf18("1","10","5","8","10","2","1") = "9"
    & skf18("1","10","5","8","10","3","1") = "9"
    & skf18("1","10","5","8","10","4","1") = "9"
    & skf18("1","10","5","8","10","5","1") = "9"
    & skf18("1","10","5","8","10","6","1") = "9"
    & skf18("1","10","5","8","10","7","1") = "9"
    & skf18("1","10","5","8","10","8","1") = "9"
    & skf18("1","10","5","8","10","9","1") = "9"
    & skf18("1","10","5","8","10","10","1") = "9"
    & skf18("1","10","5","9","1","1","1") = "9"
    & skf18("1","10","5","9","1","2","1") = "9"
    & skf18("1","10","5","9","1","3","1") = "9"
    & skf18("1","10","5","9","1","4","1") = "9"
    & skf18("1","10","5","9","1","5","1") = "9"
    & skf18("1","10","5","9","1","6","1") = "9"
    & skf18("1","10","5","9","1","7","1") = "9"
    & skf18("1","10","5","9","1","8","1") = "9"
    & skf18("1","10","5","9","1","9","1") = "9"
    & skf18("1","10","5","9","1","10","1") = "9"
    & skf18("1","10","5","9","2","1","1") = "9"
    & skf18("1","10","5","9","2","2","1") = "9"
    & skf18("1","10","5","9","2","3","1") = "9"
    & skf18("1","10","5","9","2","4","1") = "9"
    & skf18("1","10","5","9","2","5","1") = "9"
    & skf18("1","10","5","9","2","6","1") = "9"
    & skf18("1","10","5","9","2","7","1") = "9"
    & skf18("1","10","5","9","2","8","1") = "9"
    & skf18("1","10","5","9","2","9","1") = "9"
    & skf18("1","10","5","9","2","10","1") = "9"
    & skf18("1","10","5","9","3","1","1") = "9"
    & skf18("1","10","5","9","3","2","1") = "9"
    & skf18("1","10","5","9","3","3","1") = "9"
    & skf18("1","10","5","9","3","4","1") = "9"
    & skf18("1","10","5","9","3","5","1") = "9"
    & skf18("1","10","5","9","3","6","1") = "9"
    & skf18("1","10","5","9","3","7","1") = "9"
    & skf18("1","10","5","9","3","8","1") = "9"
    & skf18("1","10","5","9","3","9","1") = "9"
    & skf18("1","10","5","9","3","10","1") = "9"
    & skf18("1","10","5","9","4","1","1") = "9"
    & skf18("1","10","5","9","4","2","1") = "9"
    & skf18("1","10","5","9","4","3","1") = "9"
    & skf18("1","10","5","9","4","4","1") = "9"
    & skf18("1","10","5","9","4","5","1") = "9"
    & skf18("1","10","5","9","4","6","1") = "9"
    & skf18("1","10","5","9","4","7","1") = "9"
    & skf18("1","10","5","9","4","8","1") = "9"
    & skf18("1","10","5","9","4","9","1") = "9"
    & skf18("1","10","5","9","4","10","1") = "9"
    & skf18("1","10","5","9","5","1","1") = "9"
    & skf18("1","10","5","9","5","2","1") = "9"
    & skf18("1","10","5","9","5","3","1") = "9"
    & skf18("1","10","5","9","5","4","1") = "9"
    & skf18("1","10","5","9","5","5","1") = "9"
    & skf18("1","10","5","9","5","6","1") = "9"
    & skf18("1","10","5","9","5","7","1") = "9"
    & skf18("1","10","5","9","5","8","1") = "9"
    & skf18("1","10","5","9","5","9","1") = "9"
    & skf18("1","10","5","9","5","10","1") = "9"
    & skf18("1","10","5","9","6","1","1") = "9"
    & skf18("1","10","5","9","6","2","1") = "9"
    & skf18("1","10","5","9","6","3","1") = "9"
    & skf18("1","10","5","9","6","4","1") = "9"
    & skf18("1","10","5","9","6","5","1") = "9"
    & skf18("1","10","5","9","6","6","1") = "9"
    & skf18("1","10","5","9","6","7","1") = "9"
    & skf18("1","10","5","9","6","8","1") = "9"
    & skf18("1","10","5","9","6","9","1") = "9"
    & skf18("1","10","5","9","6","10","1") = "9"
    & skf18("1","10","5","9","7","1","1") = "9"
    & skf18("1","10","5","9","7","2","1") = "9"
    & skf18("1","10","5","9","7","3","1") = "9"
    & skf18("1","10","5","9","7","4","1") = "9"
    & skf18("1","10","5","9","7","5","1") = "9"
    & skf18("1","10","5","9","7","6","1") = "9"
    & skf18("1","10","5","9","7","7","1") = "9"
    & skf18("1","10","5","9","7","8","1") = "9"
    & skf18("1","10","5","9","7","9","1") = "9"
    & skf18("1","10","5","9","7","10","1") = "9"
    & skf18("1","10","5","9","8","1","1") = "9"
    & skf18("1","10","5","9","8","2","1") = "9"
    & skf18("1","10","5","9","8","3","1") = "9"
    & skf18("1","10","5","9","8","4","1") = "9"
    & skf18("1","10","5","9","8","5","1") = "9"
    & skf18("1","10","5","9","8","6","1") = "9"
    & skf18("1","10","5","9","8","7","1") = "9"
    & skf18("1","10","5","9","8","8","1") = "9"
    & skf18("1","10","5","9","8","9","1") = "9"
    & skf18("1","10","5","9","8","10","1") = "9"
    & skf18("1","10","5","9","9","1","1") = "9"
    & skf18("1","10","5","9","9","2","1") = "9"
    & skf18("1","10","5","9","9","3","1") = "9"
    & skf18("1","10","5","9","9","4","1") = "9"
    & skf18("1","10","5","9","9","5","1") = "9"
    & skf18("1","10","5","9","9","6","1") = "9"
    & skf18("1","10","5","9","9","7","1") = "9"
    & skf18("1","10","5","9","9","8","1") = "9"
    & skf18("1","10","5","9","9","9","1") = "9"
    & skf18("1","10","5","9","9","10","1") = "9"
    & skf18("1","10","5","9","10","1","1") = "9"
    & skf18("1","10","5","9","10","2","1") = "9"
    & skf18("1","10","5","9","10","3","1") = "9"
    & skf18("1","10","5","9","10","4","1") = "9"
    & skf18("1","10","5","9","10","5","1") = "9"
    & skf18("1","10","5","9","10","6","1") = "9"
    & skf18("1","10","5","9","10","7","1") = "9"
    & skf18("1","10","5","9","10","8","1") = "9"
    & skf18("1","10","5","9","10","9","1") = "9"
    & skf18("1","10","5","9","10","10","1") = "9"
    & skf18("1","10","5","10","1","1","1") = "9"
    & skf18("1","10","5","10","1","2","1") = "9"
    & skf18("1","10","5","10","1","3","1") = "9"
    & skf18("1","10","5","10","1","4","1") = "9"
    & skf18("1","10","5","10","1","5","1") = "9"
    & skf18("1","10","5","10","1","6","1") = "9"
    & skf18("1","10","5","10","1","7","1") = "9"
    & skf18("1","10","5","10","1","8","1") = "9"
    & skf18("1","10","5","10","1","9","1") = "9"
    & skf18("1","10","5","10","1","10","1") = "9"
    & skf18("1","10","5","10","2","1","1") = "9"
    & skf18("1","10","5","10","2","2","1") = "9"
    & skf18("1","10","5","10","2","3","1") = "9"
    & skf18("1","10","5","10","2","4","1") = "9"
    & skf18("1","10","5","10","2","5","1") = "9"
    & skf18("1","10","5","10","2","6","1") = "9"
    & skf18("1","10","5","10","2","7","1") = "9"
    & skf18("1","10","5","10","2","8","1") = "9"
    & skf18("1","10","5","10","2","9","1") = "9"
    & skf18("1","10","5","10","2","10","1") = "9"
    & skf18("1","10","5","10","3","1","1") = "9"
    & skf18("1","10","5","10","3","2","1") = "9"
    & skf18("1","10","5","10","3","3","1") = "9"
    & skf18("1","10","5","10","3","4","1") = "9"
    & skf18("1","10","5","10","3","5","1") = "9"
    & skf18("1","10","5","10","3","6","1") = "9"
    & skf18("1","10","5","10","3","7","1") = "9"
    & skf18("1","10","5","10","3","8","1") = "9"
    & skf18("1","10","5","10","3","9","1") = "9"
    & skf18("1","10","5","10","3","10","1") = "9"
    & skf18("1","10","5","10","4","1","1") = "9"
    & skf18("1","10","5","10","4","2","1") = "9"
    & skf18("1","10","5","10","4","3","1") = "9"
    & skf18("1","10","5","10","4","4","1") = "9"
    & skf18("1","10","5","10","4","5","1") = "9"
    & skf18("1","10","5","10","4","6","1") = "9"
    & skf18("1","10","5","10","4","7","1") = "9"
    & skf18("1","10","5","10","4","8","1") = "9"
    & skf18("1","10","5","10","4","9","1") = "9"
    & skf18("1","10","5","10","4","10","1") = "9"
    & skf18("1","10","5","10","5","1","1") = "9"
    & skf18("1","10","5","10","5","2","1") = "9"
    & skf18("1","10","5","10","5","3","1") = "9"
    & skf18("1","10","5","10","5","4","1") = "9"
    & skf18("1","10","5","10","5","5","1") = "9"
    & skf18("1","10","5","10","5","6","1") = "9"
    & skf18("1","10","5","10","5","7","1") = "9"
    & skf18("1","10","5","10","5","8","1") = "9"
    & skf18("1","10","5","10","5","9","1") = "9"
    & skf18("1","10","5","10","5","10","1") = "9"
    & skf18("1","10","5","10","6","1","1") = "9"
    & skf18("1","10","5","10","6","2","1") = "9"
    & skf18("1","10","5","10","6","3","1") = "9"
    & skf18("1","10","5","10","6","4","1") = "9"
    & skf18("1","10","5","10","6","5","1") = "9"
    & skf18("1","10","5","10","6","6","1") = "9"
    & skf18("1","10","5","10","6","7","1") = "9"
    & skf18("1","10","5","10","6","8","1") = "9"
    & skf18("1","10","5","10","6","9","1") = "9"
    & skf18("1","10","5","10","6","10","1") = "9"
    & skf18("1","10","5","10","7","1","1") = "9"
    & skf18("1","10","5","10","7","2","1") = "9"
    & skf18("1","10","5","10","7","3","1") = "9"
    & skf18("1","10","5","10","7","4","1") = "9"
    & skf18("1","10","5","10","7","5","1") = "9"
    & skf18("1","10","5","10","7","6","1") = "9"
    & skf18("1","10","5","10","7","7","1") = "9"
    & skf18("1","10","5","10","7","8","1") = "9"
    & skf18("1","10","5","10","7","9","1") = "9"
    & skf18("1","10","5","10","7","10","1") = "9"
    & skf18("1","10","5","10","8","1","1") = "9"
    & skf18("1","10","5","10","8","2","1") = "9"
    & skf18("1","10","5","10","8","3","1") = "9"
    & skf18("1","10","5","10","8","4","1") = "9"
    & skf18("1","10","5","10","8","5","1") = "9"
    & skf18("1","10","5","10","8","6","1") = "9"
    & skf18("1","10","5","10","8","7","1") = "9"
    & skf18("1","10","5","10","8","8","1") = "9"
    & skf18("1","10","5","10","8","9","1") = "9"
    & skf18("1","10","5","10","8","10","1") = "9"
    & skf18("1","10","5","10","9","1","1") = "9"
    & skf18("1","10","5","10","9","2","1") = "9"
    & skf18("1","10","5","10","9","3","1") = "9"
    & skf18("1","10","5","10","9","4","1") = "9"
    & skf18("1","10","5","10","9","5","1") = "9"
    & skf18("1","10","5","10","9","6","1") = "9"
    & skf18("1","10","5","10","9","7","1") = "9"
    & skf18("1","10","5","10","9","8","1") = "9"
    & skf18("1","10","5","10","9","9","1") = "9"
    & skf18("1","10","5","10","9","10","1") = "9"
    & skf18("1","10","5","10","10","1","1") = "9"
    & skf18("1","10","5","10","10","2","1") = "9"
    & skf18("1","10","5","10","10","3","1") = "9"
    & skf18("1","10","5","10","10","4","1") = "9"
    & skf18("1","10","5","10","10","5","1") = "9"
    & skf18("1","10","5","10","10","6","1") = "9"
    & skf18("1","10","5","10","10","7","1") = "9"
    & skf18("1","10","5","10","10","8","1") = "9"
    & skf18("1","10","5","10","10","9","1") = "9"
    & skf18("1","10","5","10","10","10","1") = "9"
    & skf18("1","10","6","1","1","1","1") = "9"
    & skf18("1","10","6","1","1","2","1") = "9"
    & skf18("1","10","6","1","1","3","1") = "9"
    & skf18("1","10","6","1","1","4","1") = "9"
    & skf18("1","10","6","1","1","5","1") = "9"
    & skf18("1","10","6","1","1","6","1") = "9"
    & skf18("1","10","6","1","1","7","1") = "9"
    & skf18("1","10","6","1","1","8","1") = "9"
    & skf18("1","10","6","1","1","9","1") = "9"
    & skf18("1","10","6","1","1","10","1") = "9"
    & skf18("1","10","6","1","2","1","1") = "9"
    & skf18("1","10","6","1","2","2","1") = "9"
    & skf18("1","10","6","1","2","3","1") = "9"
    & skf18("1","10","6","1","2","4","1") = "9"
    & skf18("1","10","6","1","2","5","1") = "9"
    & skf18("1","10","6","1","2","6","1") = "9"
    & skf18("1","10","6","1","2","7","1") = "9"
    & skf18("1","10","6","1","2","8","1") = "9"
    & skf18("1","10","6","1","2","9","1") = "9"
    & skf18("1","10","6","1","2","10","1") = "9"
    & skf18("1","10","6","1","3","1","1") = "9"
    & skf18("1","10","6","1","3","2","1") = "9"
    & skf18("1","10","6","1","3","3","1") = "9"
    & skf18("1","10","6","1","3","4","1") = "9"
    & skf18("1","10","6","1","3","5","1") = "9"
    & skf18("1","10","6","1","3","6","1") = "9"
    & skf18("1","10","6","1","3","7","1") = "9"
    & skf18("1","10","6","1","3","8","1") = "9"
    & skf18("1","10","6","1","3","9","1") = "9"
    & skf18("1","10","6","1","3","10","1") = "9"
    & skf18("1","10","6","1","4","1","1") = "9"
    & skf18("1","10","6","1","4","2","1") = "9"
    & skf18("1","10","6","1","4","3","1") = "9"
    & skf18("1","10","6","1","4","4","1") = "9"
    & skf18("1","10","6","1","4","5","1") = "9"
    & skf18("1","10","6","1","4","6","1") = "9"
    & skf18("1","10","6","1","4","7","1") = "9"
    & skf18("1","10","6","1","4","8","1") = "9"
    & skf18("1","10","6","1","4","9","1") = "9"
    & skf18("1","10","6","1","4","10","1") = "9"
    & skf18("1","10","6","1","5","1","1") = "9"
    & skf18("1","10","6","1","5","2","1") = "9"
    & skf18("1","10","6","1","5","3","1") = "9"
    & skf18("1","10","6","1","5","4","1") = "9"
    & skf18("1","10","6","1","5","5","1") = "9"
    & skf18("1","10","6","1","5","6","1") = "9"
    & skf18("1","10","6","1","5","7","1") = "9"
    & skf18("1","10","6","1","5","8","1") = "9"
    & skf18("1","10","6","1","5","9","1") = "9"
    & skf18("1","10","6","1","5","10","1") = "9"
    & skf18("1","10","6","1","6","1","1") = "9"
    & skf18("1","10","6","1","6","2","1") = "9"
    & skf18("1","10","6","1","6","3","1") = "9"
    & skf18("1","10","6","1","6","4","1") = "9"
    & skf18("1","10","6","1","6","5","1") = "9"
    & skf18("1","10","6","1","6","6","1") = "9"
    & skf18("1","10","6","1","6","7","1") = "9"
    & skf18("1","10","6","1","6","8","1") = "9"
    & skf18("1","10","6","1","6","9","1") = "9"
    & skf18("1","10","6","1","6","10","1") = "9"
    & skf18("1","10","6","1","7","1","1") = "9"
    & skf18("1","10","6","1","7","2","1") = "9"
    & skf18("1","10","6","1","7","3","1") = "9"
    & skf18("1","10","6","1","7","4","1") = "9"
    & skf18("1","10","6","1","7","5","1") = "9"
    & skf18("1","10","6","1","7","6","1") = "9"
    & skf18("1","10","6","1","7","7","1") = "9"
    & skf18("1","10","6","1","7","8","1") = "9"
    & skf18("1","10","6","1","7","9","1") = "9"
    & skf18("1","10","6","1","7","10","1") = "9"
    & skf18("1","10","6","1","8","1","1") = "9"
    & skf18("1","10","6","1","8","2","1") = "9"
    & skf18("1","10","6","1","8","3","1") = "9"
    & skf18("1","10","6","1","8","4","1") = "9"
    & skf18("1","10","6","1","8","5","1") = "9"
    & skf18("1","10","6","1","8","6","1") = "9"
    & skf18("1","10","6","1","8","7","1") = "9"
    & skf18("1","10","6","1","8","8","1") = "9"
    & skf18("1","10","6","1","8","9","1") = "9"
    & skf18("1","10","6","1","8","10","1") = "9"
    & skf18("1","10","6","1","9","1","1") = "9"
    & skf18("1","10","6","1","9","2","1") = "9"
    & skf18("1","10","6","1","9","3","1") = "9"
    & skf18("1","10","6","1","9","4","1") = "9"
    & skf18("1","10","6","1","9","5","1") = "9"
    & skf18("1","10","6","1","9","6","1") = "9"
    & skf18("1","10","6","1","9","7","1") = "9"
    & skf18("1","10","6","1","9","8","1") = "9"
    & skf18("1","10","6","1","9","9","1") = "9"
    & skf18("1","10","6","1","9","10","1") = "9"
    & skf18("1","10","6","1","10","1","1") = "9"
    & skf18("1","10","6","1","10","2","1") = "9"
    & skf18("1","10","6","1","10","3","1") = "9"
    & skf18("1","10","6","1","10","4","1") = "9"
    & skf18("1","10","6","1","10","5","1") = "9"
    & skf18("1","10","6","1","10","6","1") = "9"
    & skf18("1","10","6","1","10","7","1") = "9"
    & skf18("1","10","6","1","10","8","1") = "9"
    & skf18("1","10","6","1","10","9","1") = "9"
    & skf18("1","10","6","1","10","10","1") = "9"
    & skf18("1","10","6","2","1","1","1") = "9"
    & skf18("1","10","6","2","1","2","1") = "9"
    & skf18("1","10","6","2","1","3","1") = "9"
    & skf18("1","10","6","2","1","4","1") = "9"
    & skf18("1","10","6","2","1","5","1") = "9"
    & skf18("1","10","6","2","1","6","1") = "9"
    & skf18("1","10","6","2","1","7","1") = "9"
    & skf18("1","10","6","2","1","8","1") = "9"
    & skf18("1","10","6","2","1","9","1") = "9"
    & skf18("1","10","6","2","1","10","1") = "9"
    & skf18("1","10","6","2","2","1","1") = "9"
    & skf18("1","10","6","2","2","2","1") = "9"
    & skf18("1","10","6","2","2","3","1") = "9"
    & skf18("1","10","6","2","2","4","1") = "9"
    & skf18("1","10","6","2","2","5","1") = "9"
    & skf18("1","10","6","2","2","6","1") = "9"
    & skf18("1","10","6","2","2","7","1") = "9"
    & skf18("1","10","6","2","2","8","1") = "9"
    & skf18("1","10","6","2","2","9","1") = "9"
    & skf18("1","10","6","2","2","10","1") = "9"
    & skf18("1","10","6","2","3","1","1") = "9"
    & skf18("1","10","6","2","3","2","1") = "9"
    & skf18("1","10","6","2","3","3","1") = "9"
    & skf18("1","10","6","2","3","4","1") = "9"
    & skf18("1","10","6","2","3","5","1") = "9"
    & skf18("1","10","6","2","3","6","1") = "9"
    & skf18("1","10","6","2","3","7","1") = "9"
    & skf18("1","10","6","2","3","8","1") = "9"
    & skf18("1","10","6","2","3","9","1") = "9"
    & skf18("1","10","6","2","3","10","1") = "9"
    & skf18("1","10","6","2","4","1","1") = "9"
    & skf18("1","10","6","2","4","2","1") = "9"
    & skf18("1","10","6","2","4","3","1") = "9"
    & skf18("1","10","6","2","4","4","1") = "9"
    & skf18("1","10","6","2","4","5","1") = "9"
    & skf18("1","10","6","2","4","6","1") = "9"
    & skf18("1","10","6","2","4","7","1") = "9"
    & skf18("1","10","6","2","4","8","1") = "9"
    & skf18("1","10","6","2","4","9","1") = "9"
    & skf18("1","10","6","2","4","10","1") = "9"
    & skf18("1","10","6","2","5","1","1") = "9"
    & skf18("1","10","6","2","5","2","1") = "9"
    & skf18("1","10","6","2","5","3","1") = "9"
    & skf18("1","10","6","2","5","4","1") = "9"
    & skf18("1","10","6","2","5","5","1") = "9"
    & skf18("1","10","6","2","5","6","1") = "9"
    & skf18("1","10","6","2","5","7","1") = "9"
    & skf18("1","10","6","2","5","8","1") = "9"
    & skf18("1","10","6","2","5","9","1") = "9"
    & skf18("1","10","6","2","5","10","1") = "9"
    & skf18("1","10","6","2","6","1","1") = "9"
    & skf18("1","10","6","2","6","2","1") = "9"
    & skf18("1","10","6","2","6","3","1") = "9"
    & skf18("1","10","6","2","6","4","1") = "9"
    & skf18("1","10","6","2","6","5","1") = "9"
    & skf18("1","10","6","2","6","6","1") = "9"
    & skf18("1","10","6","2","6","7","1") = "9"
    & skf18("1","10","6","2","6","8","1") = "9"
    & skf18("1","10","6","2","6","9","1") = "9"
    & skf18("1","10","6","2","6","10","1") = "9"
    & skf18("1","10","6","2","7","1","1") = "9"
    & skf18("1","10","6","2","7","2","1") = "9"
    & skf18("1","10","6","2","7","3","1") = "9"
    & skf18("1","10","6","2","7","4","1") = "9"
    & skf18("1","10","6","2","7","5","1") = "9"
    & skf18("1","10","6","2","7","6","1") = "9"
    & skf18("1","10","6","2","7","7","1") = "9"
    & skf18("1","10","6","2","7","8","1") = "9"
    & skf18("1","10","6","2","7","9","1") = "9"
    & skf18("1","10","6","2","7","10","1") = "9"
    & skf18("1","10","6","2","8","1","1") = "9"
    & skf18("1","10","6","2","8","2","1") = "9"
    & skf18("1","10","6","2","8","3","1") = "9"
    & skf18("1","10","6","2","8","4","1") = "9"
    & skf18("1","10","6","2","8","5","1") = "9"
    & skf18("1","10","6","2","8","6","1") = "9"
    & skf18("1","10","6","2","8","7","1") = "9"
    & skf18("1","10","6","2","8","8","1") = "9"
    & skf18("1","10","6","2","8","9","1") = "9"
    & skf18("1","10","6","2","8","10","1") = "9"
    & skf18("1","10","6","2","9","1","1") = "9"
    & skf18("1","10","6","2","9","2","1") = "9"
    & skf18("1","10","6","2","9","3","1") = "9"
    & skf18("1","10","6","2","9","4","1") = "9"
    & skf18("1","10","6","2","9","5","1") = "9"
    & skf18("1","10","6","2","9","6","1") = "9"
    & skf18("1","10","6","2","9","7","1") = "9"
    & skf18("1","10","6","2","9","8","1") = "9"
    & skf18("1","10","6","2","9","9","1") = "9"
    & skf18("1","10","6","2","9","10","1") = "9"
    & skf18("1","10","6","2","10","1","1") = "9"
    & skf18("1","10","6","2","10","2","1") = "9"
    & skf18("1","10","6","2","10","3","1") = "9"
    & skf18("1","10","6","2","10","4","1") = "9"
    & skf18("1","10","6","2","10","5","1") = "9"
    & skf18("1","10","6","2","10","6","1") = "9"
    & skf18("1","10","6","2","10","7","1") = "9"
    & skf18("1","10","6","2","10","8","1") = "9"
    & skf18("1","10","6","2","10","9","1") = "9"
    & skf18("1","10","6","2","10","10","1") = "9"
    & skf18("1","10","6","3","1","1","1") = "9"
    & skf18("1","10","6","3","1","2","1") = "9"
    & skf18("1","10","6","3","1","3","1") = "9"
    & skf18("1","10","6","3","1","4","1") = "9"
    & skf18("1","10","6","3","1","5","1") = "9"
    & skf18("1","10","6","3","1","6","1") = "9"
    & skf18("1","10","6","3","1","7","1") = "9"
    & skf18("1","10","6","3","1","8","1") = "9"
    & skf18("1","10","6","3","1","9","1") = "9"
    & skf18("1","10","6","3","1","10","1") = "9"
    & skf18("1","10","6","3","2","1","1") = "9"
    & skf18("1","10","6","3","2","2","1") = "9"
    & skf18("1","10","6","3","2","3","1") = "9"
    & skf18("1","10","6","3","2","4","1") = "9"
    & skf18("1","10","6","3","2","5","1") = "9"
    & skf18("1","10","6","3","2","6","1") = "9"
    & skf18("1","10","6","3","2","7","1") = "9"
    & skf18("1","10","6","3","2","8","1") = "9"
    & skf18("1","10","6","3","2","9","1") = "9"
    & skf18("1","10","6","3","2","10","1") = "9"
    & skf18("1","10","6","3","3","1","1") = "9"
    & skf18("1","10","6","3","3","2","1") = "9"
    & skf18("1","10","6","3","3","3","1") = "9"
    & skf18("1","10","6","3","3","4","1") = "9"
    & skf18("1","10","6","3","3","5","1") = "9"
    & skf18("1","10","6","3","3","6","1") = "9"
    & skf18("1","10","6","3","3","7","1") = "9"
    & skf18("1","10","6","3","3","8","1") = "9"
    & skf18("1","10","6","3","3","9","1") = "9"
    & skf18("1","10","6","3","3","10","1") = "9"
    & skf18("1","10","6","3","4","1","1") = "9"
    & skf18("1","10","6","3","4","2","1") = "9"
    & skf18("1","10","6","3","4","3","1") = "9"
    & skf18("1","10","6","3","4","4","1") = "9"
    & skf18("1","10","6","3","4","5","1") = "9"
    & skf18("1","10","6","3","4","6","1") = "9"
    & skf18("1","10","6","3","4","7","1") = "9"
    & skf18("1","10","6","3","4","8","1") = "9"
    & skf18("1","10","6","3","4","9","1") = "9"
    & skf18("1","10","6","3","4","10","1") = "9"
    & skf18("1","10","6","3","5","1","1") = "9"
    & skf18("1","10","6","3","5","2","1") = "9"
    & skf18("1","10","6","3","5","3","1") = "9"
    & skf18("1","10","6","3","5","4","1") = "9"
    & skf18("1","10","6","3","5","5","1") = "9"
    & skf18("1","10","6","3","5","6","1") = "9"
    & skf18("1","10","6","3","5","7","1") = "9"
    & skf18("1","10","6","3","5","8","1") = "9"
    & skf18("1","10","6","3","5","9","1") = "9"
    & skf18("1","10","6","3","5","10","1") = "9"
    & skf18("1","10","6","3","6","1","1") = "9"
    & skf18("1","10","6","3","6","2","1") = "9"
    & skf18("1","10","6","3","6","3","1") = "9"
    & skf18("1","10","6","3","6","4","1") = "9"
    & skf18("1","10","6","3","6","5","1") = "9"
    & skf18("1","10","6","3","6","6","1") = "9"
    & skf18("1","10","6","3","6","7","1") = "9"
    & skf18("1","10","6","3","6","8","1") = "9"
    & skf18("1","10","6","3","6","9","1") = "9"
    & skf18("1","10","6","3","6","10","1") = "9"
    & skf18("1","10","6","3","7","1","1") = "9"
    & skf18("1","10","6","3","7","2","1") = "9"
    & skf18("1","10","6","3","7","3","1") = "9"
    & skf18("1","10","6","3","7","4","1") = "9"
    & skf18("1","10","6","3","7","5","1") = "9"
    & skf18("1","10","6","3","7","6","1") = "9"
    & skf18("1","10","6","3","7","7","1") = "9"
    & skf18("1","10","6","3","7","8","1") = "9"
    & skf18("1","10","6","3","7","9","1") = "9"
    & skf18("1","10","6","3","7","10","1") = "9"
    & skf18("1","10","6","3","8","1","1") = "9"
    & skf18("1","10","6","3","8","2","1") = "9"
    & skf18("1","10","6","3","8","3","1") = "9"
    & skf18("1","10","6","3","8","4","1") = "9"
    & skf18("1","10","6","3","8","5","1") = "9"
    & skf18("1","10","6","3","8","6","1") = "9"
    & skf18("1","10","6","3","8","7","1") = "9"
    & skf18("1","10","6","3","8","8","1") = "9"
    & skf18("1","10","6","3","8","9","1") = "9"
    & skf18("1","10","6","3","8","10","1") = "9"
    & skf18("1","10","6","3","9","1","1") = "9"
    & skf18("1","10","6","3","9","2","1") = "9"
    & skf18("1","10","6","3","9","3","1") = "9"
    & skf18("1","10","6","3","9","4","1") = "9"
    & skf18("1","10","6","3","9","5","1") = "9"
    & skf18("1","10","6","3","9","6","1") = "9"
    & skf18("1","10","6","3","9","7","1") = "9"
    & skf18("1","10","6","3","9","8","1") = "9"
    & skf18("1","10","6","3","9","9","1") = "9"
    & skf18("1","10","6","3","9","10","1") = "9"
    & skf18("1","10","6","3","10","1","1") = "9"
    & skf18("1","10","6","3","10","2","1") = "9"
    & skf18("1","10","6","3","10","3","1") = "9"
    & skf18("1","10","6","3","10","4","1") = "9"
    & skf18("1","10","6","3","10","5","1") = "9"
    & skf18("1","10","6","3","10","6","1") = "9"
    & skf18("1","10","6","3","10","7","1") = "9"
    & skf18("1","10","6","3","10","8","1") = "9"
    & skf18("1","10","6","3","10","9","1") = "9"
    & skf18("1","10","6","3","10","10","1") = "9"
    & skf18("1","10","6","4","1","1","1") = "9"
    & skf18("1","10","6","4","1","2","1") = "9"
    & skf18("1","10","6","4","1","3","1") = "9"
    & skf18("1","10","6","4","1","4","1") = "9"
    & skf18("1","10","6","4","1","5","1") = "9"
    & skf18("1","10","6","4","1","6","1") = "9"
    & skf18("1","10","6","4","1","7","1") = "9"
    & skf18("1","10","6","4","1","8","1") = "9"
    & skf18("1","10","6","4","1","9","1") = "9"
    & skf18("1","10","6","4","1","10","1") = "9"
    & skf18("1","10","6","4","2","1","1") = "9"
    & skf18("1","10","6","4","2","2","1") = "9"
    & skf18("1","10","6","4","2","3","1") = "9"
    & skf18("1","10","6","4","2","4","1") = "9"
    & skf18("1","10","6","4","2","5","1") = "9"
    & skf18("1","10","6","4","2","6","1") = "9"
    & skf18("1","10","6","4","2","7","1") = "9"
    & skf18("1","10","6","4","2","8","1") = "9"
    & skf18("1","10","6","4","2","9","1") = "9"
    & skf18("1","10","6","4","2","10","1") = "9"
    & skf18("1","10","6","4","3","1","1") = "9"
    & skf18("1","10","6","4","3","2","1") = "9"
    & skf18("1","10","6","4","3","3","1") = "9"
    & skf18("1","10","6","4","3","4","1") = "9"
    & skf18("1","10","6","4","3","5","1") = "9"
    & skf18("1","10","6","4","3","6","1") = "9"
    & skf18("1","10","6","4","3","7","1") = "9"
    & skf18("1","10","6","4","3","8","1") = "9"
    & skf18("1","10","6","4","3","9","1") = "9"
    & skf18("1","10","6","4","3","10","1") = "9"
    & skf18("1","10","6","4","4","1","1") = "9"
    & skf18("1","10","6","4","4","2","1") = "9"
    & skf18("1","10","6","4","4","3","1") = "9"
    & skf18("1","10","6","4","4","4","1") = "9"
    & skf18("1","10","6","4","4","5","1") = "9"
    & skf18("1","10","6","4","4","6","1") = "9"
    & skf18("1","10","6","4","4","7","1") = "9"
    & skf18("1","10","6","4","4","8","1") = "9"
    & skf18("1","10","6","4","4","9","1") = "9"
    & skf18("1","10","6","4","4","10","1") = "9"
    & skf18("1","10","6","4","5","1","1") = "9"
    & skf18("1","10","6","4","5","2","1") = "9"
    & skf18("1","10","6","4","5","3","1") = "9"
    & skf18("1","10","6","4","5","4","1") = "9"
    & skf18("1","10","6","4","5","5","1") = "9"
    & skf18("1","10","6","4","5","6","1") = "9"
    & skf18("1","10","6","4","5","7","1") = "9"
    & skf18("1","10","6","4","5","8","1") = "9"
    & skf18("1","10","6","4","5","9","1") = "9"
    & skf18("1","10","6","4","5","10","1") = "9"
    & skf18("1","10","6","4","6","1","1") = "9"
    & skf18("1","10","6","4","6","2","1") = "9"
    & skf18("1","10","6","4","6","3","1") = "9"
    & skf18("1","10","6","4","6","4","1") = "9"
    & skf18("1","10","6","4","6","5","1") = "9"
    & skf18("1","10","6","4","6","6","1") = "9"
    & skf18("1","10","6","4","6","7","1") = "9"
    & skf18("1","10","6","4","6","8","1") = "9"
    & skf18("1","10","6","4","6","9","1") = "9"
    & skf18("1","10","6","4","6","10","1") = "9"
    & skf18("1","10","6","4","7","1","1") = "9"
    & skf18("1","10","6","4","7","2","1") = "9"
    & skf18("1","10","6","4","7","3","1") = "9"
    & skf18("1","10","6","4","7","4","1") = "9"
    & skf18("1","10","6","4","7","5","1") = "9"
    & skf18("1","10","6","4","7","6","1") = "9"
    & skf18("1","10","6","4","7","7","1") = "9"
    & skf18("1","10","6","4","7","8","1") = "9"
    & skf18("1","10","6","4","7","9","1") = "9"
    & skf18("1","10","6","4","7","10","1") = "9"
    & skf18("1","10","6","4","8","1","1") = "9"
    & skf18("1","10","6","4","8","2","1") = "9"
    & skf18("1","10","6","4","8","3","1") = "9"
    & skf18("1","10","6","4","8","4","1") = "9"
    & skf18("1","10","6","4","8","5","1") = "9"
    & skf18("1","10","6","4","8","6","1") = "9"
    & skf18("1","10","6","4","8","7","1") = "9"
    & skf18("1","10","6","4","8","8","1") = "9"
    & skf18("1","10","6","4","8","9","1") = "9"
    & skf18("1","10","6","4","8","10","1") = "9"
    & skf18("1","10","6","4","9","1","1") = "9"
    & skf18("1","10","6","4","9","2","1") = "9"
    & skf18("1","10","6","4","9","3","1") = "9"
    & skf18("1","10","6","4","9","4","1") = "9"
    & skf18("1","10","6","4","9","5","1") = "9"
    & skf18("1","10","6","4","9","6","1") = "9"
    & skf18("1","10","6","4","9","7","1") = "9"
    & skf18("1","10","6","4","9","8","1") = "9"
    & skf18("1","10","6","4","9","9","1") = "9"
    & skf18("1","10","6","4","9","10","1") = "9"
    & skf18("1","10","6","4","10","1","1") = "9"
    & skf18("1","10","6","4","10","2","1") = "9"
    & skf18("1","10","6","4","10","3","1") = "9"
    & skf18("1","10","6","4","10","4","1") = "9"
    & skf18("1","10","6","4","10","5","1") = "9"
    & skf18("1","10","6","4","10","6","1") = "9"
    & skf18("1","10","6","4","10","7","1") = "9"
    & skf18("1","10","6","4","10","8","1") = "9"
    & skf18("1","10","6","4","10","9","1") = "9"
    & skf18("1","10","6","4","10","10","1") = "9"
    & skf18("1","10","6","5","1","1","1") = "9"
    & skf18("1","10","6","5","1","2","1") = "9"
    & skf18("1","10","6","5","1","3","1") = "9"
    & skf18("1","10","6","5","1","4","1") = "9"
    & skf18("1","10","6","5","1","5","1") = "9"
    & skf18("1","10","6","5","1","6","1") = "9"
    & skf18("1","10","6","5","1","7","1") = "9"
    & skf18("1","10","6","5","1","8","1") = "9"
    & skf18("1","10","6","5","1","9","1") = "9"
    & skf18("1","10","6","5","1","10","1") = "9"
    & skf18("1","10","6","5","2","1","1") = "9"
    & skf18("1","10","6","5","2","2","1") = "9"
    & skf18("1","10","6","5","2","3","1") = "9"
    & skf18("1","10","6","5","2","4","1") = "9"
    & skf18("1","10","6","5","2","5","1") = "9"
    & skf18("1","10","6","5","2","6","1") = "9"
    & skf18("1","10","6","5","2","7","1") = "9"
    & skf18("1","10","6","5","2","8","1") = "9"
    & skf18("1","10","6","5","2","9","1") = "9"
    & skf18("1","10","6","5","2","10","1") = "9"
    & skf18("1","10","6","5","3","1","1") = "9"
    & skf18("1","10","6","5","3","2","1") = "9"
    & skf18("1","10","6","5","3","3","1") = "9"
    & skf18("1","10","6","5","3","4","1") = "9"
    & skf18("1","10","6","5","3","5","1") = "9"
    & skf18("1","10","6","5","3","6","1") = "9"
    & skf18("1","10","6","5","3","7","1") = "9"
    & skf18("1","10","6","5","3","8","1") = "9"
    & skf18("1","10","6","5","3","9","1") = "9"
    & skf18("1","10","6","5","3","10","1") = "9"
    & skf18("1","10","6","5","4","1","1") = "9"
    & skf18("1","10","6","5","4","2","1") = "9"
    & skf18("1","10","6","5","4","3","1") = "9"
    & skf18("1","10","6","5","4","4","1") = "9"
    & skf18("1","10","6","5","4","5","1") = "9"
    & skf18("1","10","6","5","4","6","1") = "9"
    & skf18("1","10","6","5","4","7","1") = "9"
    & skf18("1","10","6","5","4","8","1") = "9"
    & skf18("1","10","6","5","4","9","1") = "9"
    & skf18("1","10","6","5","4","10","1") = "9"
    & skf18("1","10","6","5","5","1","1") = "9"
    & skf18("1","10","6","5","5","2","1") = "9"
    & skf18("1","10","6","5","5","3","1") = "9"
    & skf18("1","10","6","5","5","4","1") = "9"
    & skf18("1","10","6","5","5","5","1") = "9"
    & skf18("1","10","6","5","5","6","1") = "9"
    & skf18("1","10","6","5","5","7","1") = "9"
    & skf18("1","10","6","5","5","8","1") = "9"
    & skf18("1","10","6","5","5","9","1") = "9"
    & skf18("1","10","6","5","5","10","1") = "9"
    & skf18("1","10","6","5","6","1","1") = "9"
    & skf18("1","10","6","5","6","2","1") = "9"
    & skf18("1","10","6","5","6","3","1") = "9"
    & skf18("1","10","6","5","6","4","1") = "9"
    & skf18("1","10","6","5","6","5","1") = "9"
    & skf18("1","10","6","5","6","6","1") = "9"
    & skf18("1","10","6","5","6","7","1") = "9"
    & skf18("1","10","6","5","6","8","1") = "9"
    & skf18("1","10","6","5","6","9","1") = "9"
    & skf18("1","10","6","5","6","10","1") = "9"
    & skf18("1","10","6","5","7","1","1") = "9"
    & skf18("1","10","6","5","7","2","1") = "9"
    & skf18("1","10","6","5","7","3","1") = "9"
    & skf18("1","10","6","5","7","4","1") = "9"
    & skf18("1","10","6","5","7","5","1") = "9"
    & skf18("1","10","6","5","7","6","1") = "9"
    & skf18("1","10","6","5","7","7","1") = "9"
    & skf18("1","10","6","5","7","8","1") = "9"
    & skf18("1","10","6","5","7","9","1") = "9"
    & skf18("1","10","6","5","7","10","1") = "9"
    & skf18("1","10","6","5","8","1","1") = "9"
    & skf18("1","10","6","5","8","2","1") = "9"
    & skf18("1","10","6","5","8","3","1") = "9"
    & skf18("1","10","6","5","8","4","1") = "9"
    & skf18("1","10","6","5","8","5","1") = "9"
    & skf18("1","10","6","5","8","6","1") = "9"
    & skf18("1","10","6","5","8","7","1") = "9"
    & skf18("1","10","6","5","8","8","1") = "9"
    & skf18("1","10","6","5","8","9","1") = "9"
    & skf18("1","10","6","5","8","10","1") = "9"
    & skf18("1","10","6","5","9","1","1") = "9"
    & skf18("1","10","6","5","9","2","1") = "9"
    & skf18("1","10","6","5","9","3","1") = "9"
    & skf18("1","10","6","5","9","4","1") = "9"
    & skf18("1","10","6","5","9","5","1") = "9"
    & skf18("1","10","6","5","9","6","1") = "9"
    & skf18("1","10","6","5","9","7","1") = "9"
    & skf18("1","10","6","5","9","8","1") = "9"
    & skf18("1","10","6","5","9","9","1") = "9"
    & skf18("1","10","6","5","9","10","1") = "9"
    & skf18("1","10","6","5","10","1","1") = "9"
    & skf18("1","10","6","5","10","2","1") = "9"
    & skf18("1","10","6","5","10","3","1") = "9"
    & skf18("1","10","6","5","10","4","1") = "9"
    & skf18("1","10","6","5","10","5","1") = "9"
    & skf18("1","10","6","5","10","6","1") = "9"
    & skf18("1","10","6","5","10","7","1") = "9"
    & skf18("1","10","6","5","10","8","1") = "9"
    & skf18("1","10","6","5","10","9","1") = "9"
    & skf18("1","10","6","5","10","10","1") = "9"
    & skf18("1","10","6","6","1","1","1") = "9"
    & skf18("1","10","6","6","1","2","1") = "9"
    & skf18("1","10","6","6","1","3","1") = "9"
    & skf18("1","10","6","6","1","4","1") = "9"
    & skf18("1","10","6","6","1","5","1") = "9"
    & skf18("1","10","6","6","1","6","1") = "9"
    & skf18("1","10","6","6","1","7","1") = "9"
    & skf18("1","10","6","6","1","8","1") = "9"
    & skf18("1","10","6","6","1","9","1") = "9"
    & skf18("1","10","6","6","1","10","1") = "9"
    & skf18("1","10","6","6","2","1","1") = "9"
    & skf18("1","10","6","6","2","2","1") = "9"
    & skf18("1","10","6","6","2","3","1") = "9"
    & skf18("1","10","6","6","2","4","1") = "9"
    & skf18("1","10","6","6","2","5","1") = "9"
    & skf18("1","10","6","6","2","6","1") = "9"
    & skf18("1","10","6","6","2","7","1") = "9"
    & skf18("1","10","6","6","2","8","1") = "9"
    & skf18("1","10","6","6","2","9","1") = "9"
    & skf18("1","10","6","6","2","10","1") = "9"
    & skf18("1","10","6","6","3","1","1") = "9"
    & skf18("1","10","6","6","3","2","1") = "9"
    & skf18("1","10","6","6","3","3","1") = "9"
    & skf18("1","10","6","6","3","4","1") = "9"
    & skf18("1","10","6","6","3","5","1") = "9"
    & skf18("1","10","6","6","3","6","1") = "9"
    & skf18("1","10","6","6","3","7","1") = "9"
    & skf18("1","10","6","6","3","8","1") = "9"
    & skf18("1","10","6","6","3","9","1") = "9"
    & skf18("1","10","6","6","3","10","1") = "9"
    & skf18("1","10","6","6","4","1","1") = "9"
    & skf18("1","10","6","6","4","2","1") = "9"
    & skf18("1","10","6","6","4","3","1") = "9"
    & skf18("1","10","6","6","4","4","1") = "9"
    & skf18("1","10","6","6","4","5","1") = "9"
    & skf18("1","10","6","6","4","6","1") = "9"
    & skf18("1","10","6","6","4","7","1") = "9"
    & skf18("1","10","6","6","4","8","1") = "9"
    & skf18("1","10","6","6","4","9","1") = "9"
    & skf18("1","10","6","6","4","10","1") = "9"
    & skf18("1","10","6","6","5","1","1") = "9"
    & skf18("1","10","6","6","5","2","1") = "9"
    & skf18("1","10","6","6","5","3","1") = "9"
    & skf18("1","10","6","6","5","4","1") = "9"
    & skf18("1","10","6","6","5","5","1") = "9"
    & skf18("1","10","6","6","5","6","1") = "9"
    & skf18("1","10","6","6","5","7","1") = "9"
    & skf18("1","10","6","6","5","8","1") = "9"
    & skf18("1","10","6","6","5","9","1") = "9"
    & skf18("1","10","6","6","5","10","1") = "9"
    & skf18("1","10","6","6","6","1","1") = "9"
    & skf18("1","10","6","6","6","2","1") = "9"
    & skf18("1","10","6","6","6","3","1") = "9"
    & skf18("1","10","6","6","6","4","1") = "9"
    & skf18("1","10","6","6","6","5","1") = "9"
    & skf18("1","10","6","6","6","6","1") = "9"
    & skf18("1","10","6","6","6","7","1") = "9"
    & skf18("1","10","6","6","6","8","1") = "9"
    & skf18("1","10","6","6","6","9","1") = "9"
    & skf18("1","10","6","6","6","10","1") = "9"
    & skf18("1","10","6","6","7","1","1") = "9"
    & skf18("1","10","6","6","7","2","1") = "9"
    & skf18("1","10","6","6","7","3","1") = "9"
    & skf18("1","10","6","6","7","4","1") = "9"
    & skf18("1","10","6","6","7","5","1") = "9"
    & skf18("1","10","6","6","7","6","1") = "9"
    & skf18("1","10","6","6","7","7","1") = "9"
    & skf18("1","10","6","6","7","8","1") = "9"
    & skf18("1","10","6","6","7","9","1") = "9"
    & skf18("1","10","6","6","7","10","1") = "9"
    & skf18("1","10","6","6","8","1","1") = "9"
    & skf18("1","10","6","6","8","2","1") = "9"
    & skf18("1","10","6","6","8","3","1") = "9"
    & skf18("1","10","6","6","8","4","1") = "9"
    & skf18("1","10","6","6","8","5","1") = "9"
    & skf18("1","10","6","6","8","6","1") = "9"
    & skf18("1","10","6","6","8","7","1") = "9"
    & skf18("1","10","6","6","8","8","1") = "9"
    & skf18("1","10","6","6","8","9","1") = "9"
    & skf18("1","10","6","6","8","10","1") = "9"
    & skf18("1","10","6","6","9","1","1") = "9"
    & skf18("1","10","6","6","9","2","1") = "9"
    & skf18("1","10","6","6","9","3","1") = "9"
    & skf18("1","10","6","6","9","4","1") = "9"
    & skf18("1","10","6","6","9","5","1") = "9"
    & skf18("1","10","6","6","9","6","1") = "9"
    & skf18("1","10","6","6","9","7","1") = "9"
    & skf18("1","10","6","6","9","8","1") = "9"
    & skf18("1","10","6","6","9","9","1") = "9"
    & skf18("1","10","6","6","9","10","1") = "9"
    & skf18("1","10","6","6","10","1","1") = "9"
    & skf18("1","10","6","6","10","2","1") = "9"
    & skf18("1","10","6","6","10","3","1") = "9"
    & skf18("1","10","6","6","10","4","1") = "9"
    & skf18("1","10","6","6","10","5","1") = "9"
    & skf18("1","10","6","6","10","6","1") = "9"
    & skf18("1","10","6","6","10","7","1") = "9"
    & skf18("1","10","6","6","10","8","1") = "9"
    & skf18("1","10","6","6","10","9","1") = "9"
    & skf18("1","10","6","6","10","10","1") = "9"
    & skf18("1","10","6","7","1","1","1") = "9"
    & skf18("1","10","6","7","1","2","1") = "9"
    & skf18("1","10","6","7","1","3","1") = "9"
    & skf18("1","10","6","7","1","4","1") = "9"
    & skf18("1","10","6","7","1","5","1") = "9"
    & skf18("1","10","6","7","1","6","1") = "9"
    & skf18("1","10","6","7","1","7","1") = "9"
    & skf18("1","10","6","7","1","8","1") = "9"
    & skf18("1","10","6","7","1","9","1") = "9"
    & skf18("1","10","6","7","1","10","1") = "9"
    & skf18("1","10","6","7","2","1","1") = "9"
    & skf18("1","10","6","7","2","2","1") = "9"
    & skf18("1","10","6","7","2","3","1") = "9"
    & skf18("1","10","6","7","2","4","1") = "9"
    & skf18("1","10","6","7","2","5","1") = "9"
    & skf18("1","10","6","7","2","6","1") = "9"
    & skf18("1","10","6","7","2","7","1") = "9"
    & skf18("1","10","6","7","2","8","1") = "9"
    & skf18("1","10","6","7","2","9","1") = "9"
    & skf18("1","10","6","7","2","10","1") = "9"
    & skf18("1","10","6","7","3","1","1") = "9"
    & skf18("1","10","6","7","3","2","1") = "9"
    & skf18("1","10","6","7","3","3","1") = "9"
    & skf18("1","10","6","7","3","4","1") = "9"
    & skf18("1","10","6","7","3","5","1") = "9"
    & skf18("1","10","6","7","3","6","1") = "9"
    & skf18("1","10","6","7","3","7","1") = "9"
    & skf18("1","10","6","7","3","8","1") = "9"
    & skf18("1","10","6","7","3","9","1") = "9"
    & skf18("1","10","6","7","3","10","1") = "9"
    & skf18("1","10","6","7","4","1","1") = "9"
    & skf18("1","10","6","7","4","2","1") = "9"
    & skf18("1","10","6","7","4","3","1") = "9"
    & skf18("1","10","6","7","4","4","1") = "9"
    & skf18("1","10","6","7","4","5","1") = "9"
    & skf18("1","10","6","7","4","6","1") = "9"
    & skf18("1","10","6","7","4","7","1") = "9"
    & skf18("1","10","6","7","4","8","1") = "9"
    & skf18("1","10","6","7","4","9","1") = "9"
    & skf18("1","10","6","7","4","10","1") = "9"
    & skf18("1","10","6","7","5","1","1") = "9"
    & skf18("1","10","6","7","5","2","1") = "9"
    & skf18("1","10","6","7","5","3","1") = "9"
    & skf18("1","10","6","7","5","4","1") = "9"
    & skf18("1","10","6","7","5","5","1") = "9"
    & skf18("1","10","6","7","5","6","1") = "9"
    & skf18("1","10","6","7","5","7","1") = "9"
    & skf18("1","10","6","7","5","8","1") = "9"
    & skf18("1","10","6","7","5","9","1") = "9"
    & skf18("1","10","6","7","5","10","1") = "9"
    & skf18("1","10","6","7","6","1","1") = "9"
    & skf18("1","10","6","7","6","2","1") = "9"
    & skf18("1","10","6","7","6","3","1") = "9"
    & skf18("1","10","6","7","6","4","1") = "9"
    & skf18("1","10","6","7","6","5","1") = "9"
    & skf18("1","10","6","7","6","6","1") = "9"
    & skf18("1","10","6","7","6","7","1") = "9"
    & skf18("1","10","6","7","6","8","1") = "9"
    & skf18("1","10","6","7","6","9","1") = "9"
    & skf18("1","10","6","7","6","10","1") = "9"
    & skf18("1","10","6","7","7","1","1") = "9"
    & skf18("1","10","6","7","7","2","1") = "9"
    & skf18("1","10","6","7","7","3","1") = "9"
    & skf18("1","10","6","7","7","4","1") = "9"
    & skf18("1","10","6","7","7","5","1") = "9"
    & skf18("1","10","6","7","7","6","1") = "9"
    & skf18("1","10","6","7","7","7","1") = "9"
    & skf18("1","10","6","7","7","8","1") = "9"
    & skf18("1","10","6","7","7","9","1") = "9"
    & skf18("1","10","6","7","7","10","1") = "9"
    & skf18("1","10","6","7","8","1","1") = "9"
    & skf18("1","10","6","7","8","2","1") = "9"
    & skf18("1","10","6","7","8","3","1") = "9"
    & skf18("1","10","6","7","8","4","1") = "9"
    & skf18("1","10","6","7","8","5","1") = "9"
    & skf18("1","10","6","7","8","6","1") = "9"
    & skf18("1","10","6","7","8","7","1") = "9"
    & skf18("1","10","6","7","8","8","1") = "9"
    & skf18("1","10","6","7","8","9","1") = "9"
    & skf18("1","10","6","7","8","10","1") = "9"
    & skf18("1","10","6","7","9","1","1") = "9"
    & skf18("1","10","6","7","9","2","1") = "9"
    & skf18("1","10","6","7","9","3","1") = "9"
    & skf18("1","10","6","7","9","4","1") = "9"
    & skf18("1","10","6","7","9","5","1") = "9"
    & skf18("1","10","6","7","9","6","1") = "9"
    & skf18("1","10","6","7","9","7","1") = "9"
    & skf18("1","10","6","7","9","8","1") = "9"
    & skf18("1","10","6","7","9","9","1") = "9"
    & skf18("1","10","6","7","9","10","1") = "9"
    & skf18("1","10","6","7","10","1","1") = "9"
    & skf18("1","10","6","7","10","2","1") = "9"
    & skf18("1","10","6","7","10","3","1") = "9"
    & skf18("1","10","6","7","10","4","1") = "9"
    & skf18("1","10","6","7","10","5","1") = "9"
    & skf18("1","10","6","7","10","6","1") = "9"
    & skf18("1","10","6","7","10","7","1") = "9"
    & skf18("1","10","6","7","10","8","1") = "9"
    & skf18("1","10","6","7","10","9","1") = "9"
    & skf18("1","10","6","7","10","10","1") = "9"
    & skf18("1","10","6","8","1","1","1") = "9"
    & skf18("1","10","6","8","1","2","1") = "9"
    & skf18("1","10","6","8","1","3","1") = "9"
    & skf18("1","10","6","8","1","4","1") = "9"
    & skf18("1","10","6","8","1","5","1") = "9"
    & skf18("1","10","6","8","1","6","1") = "9"
    & skf18("1","10","6","8","1","7","1") = "9"
    & skf18("1","10","6","8","1","8","1") = "9"
    & skf18("1","10","6","8","1","9","1") = "9"
    & skf18("1","10","6","8","1","10","1") = "9"
    & skf18("1","10","6","8","2","1","1") = "9"
    & skf18("1","10","6","8","2","2","1") = "9"
    & skf18("1","10","6","8","2","3","1") = "9"
    & skf18("1","10","6","8","2","4","1") = "9"
    & skf18("1","10","6","8","2","5","1") = "9"
    & skf18("1","10","6","8","2","6","1") = "9"
    & skf18("1","10","6","8","2","7","1") = "9"
    & skf18("1","10","6","8","2","8","1") = "9"
    & skf18("1","10","6","8","2","9","1") = "9"
    & skf18("1","10","6","8","2","10","1") = "9"
    & skf18("1","10","6","8","3","1","1") = "9"
    & skf18("1","10","6","8","3","2","1") = "9"
    & skf18("1","10","6","8","3","3","1") = "9"
    & skf18("1","10","6","8","3","4","1") = "9"
    & skf18("1","10","6","8","3","5","1") = "9"
    & skf18("1","10","6","8","3","6","1") = "9"
    & skf18("1","10","6","8","3","7","1") = "9"
    & skf18("1","10","6","8","3","8","1") = "9"
    & skf18("1","10","6","8","3","9","1") = "9"
    & skf18("1","10","6","8","3","10","1") = "9"
    & skf18("1","10","6","8","4","1","1") = "9"
    & skf18("1","10","6","8","4","2","1") = "9"
    & skf18("1","10","6","8","4","3","1") = "9"
    & skf18("1","10","6","8","4","4","1") = "9"
    & skf18("1","10","6","8","4","5","1") = "9"
    & skf18("1","10","6","8","4","6","1") = "9"
    & skf18("1","10","6","8","4","7","1") = "9"
    & skf18("1","10","6","8","4","8","1") = "9"
    & skf18("1","10","6","8","4","9","1") = "9"
    & skf18("1","10","6","8","4","10","1") = "9"
    & skf18("1","10","6","8","5","1","1") = "9"
    & skf18("1","10","6","8","5","2","1") = "9"
    & skf18("1","10","6","8","5","3","1") = "9"
    & skf18("1","10","6","8","5","4","1") = "9"
    & skf18("1","10","6","8","5","5","1") = "9"
    & skf18("1","10","6","8","5","6","1") = "9"
    & skf18("1","10","6","8","5","7","1") = "9"
    & skf18("1","10","6","8","5","8","1") = "9"
    & skf18("1","10","6","8","5","9","1") = "9"
    & skf18("1","10","6","8","5","10","1") = "9"
    & skf18("1","10","6","8","6","1","1") = "9"
    & skf18("1","10","6","8","6","2","1") = "9"
    & skf18("1","10","6","8","6","3","1") = "9"
    & skf18("1","10","6","8","6","4","1") = "9"
    & skf18("1","10","6","8","6","5","1") = "9"
    & skf18("1","10","6","8","6","6","1") = "9"
    & skf18("1","10","6","8","6","7","1") = "9"
    & skf18("1","10","6","8","6","8","1") = "9"
    & skf18("1","10","6","8","6","9","1") = "9"
    & skf18("1","10","6","8","6","10","1") = "9"
    & skf18("1","10","6","8","7","1","1") = "9"
    & skf18("1","10","6","8","7","2","1") = "9"
    & skf18("1","10","6","8","7","3","1") = "9"
    & skf18("1","10","6","8","7","4","1") = "9"
    & skf18("1","10","6","8","7","5","1") = "9"
    & skf18("1","10","6","8","7","6","1") = "9"
    & skf18("1","10","6","8","7","7","1") = "9"
    & skf18("1","10","6","8","7","8","1") = "9"
    & skf18("1","10","6","8","7","9","1") = "9"
    & skf18("1","10","6","8","7","10","1") = "9"
    & skf18("1","10","6","8","8","1","1") = "9"
    & skf18("1","10","6","8","8","2","1") = "9"
    & skf18("1","10","6","8","8","3","1") = "9"
    & skf18("1","10","6","8","8","4","1") = "9"
    & skf18("1","10","6","8","8","5","1") = "9"
    & skf18("1","10","6","8","8","6","1") = "9"
    & skf18("1","10","6","8","8","7","1") = "9"
    & skf18("1","10","6","8","8","8","1") = "9"
    & skf18("1","10","6","8","8","9","1") = "9"
    & skf18("1","10","6","8","8","10","1") = "9"
    & skf18("1","10","6","8","9","1","1") = "9"
    & skf18("1","10","6","8","9","2","1") = "9"
    & skf18("1","10","6","8","9","3","1") = "9"
    & skf18("1","10","6","8","9","4","1") = "9"
    & skf18("1","10","6","8","9","5","1") = "9"
    & skf18("1","10","6","8","9","6","1") = "9"
    & skf18("1","10","6","8","9","7","1") = "9"
    & skf18("1","10","6","8","9","8","1") = "9"
    & skf18("1","10","6","8","9","9","1") = "9"
    & skf18("1","10","6","8","9","10","1") = "9"
    & skf18("1","10","6","8","10","1","1") = "9"
    & skf18("1","10","6","8","10","2","1") = "9"
    & skf18("1","10","6","8","10","3","1") = "9"
    & skf18("1","10","6","8","10","4","1") = "9"
    & skf18("1","10","6","8","10","5","1") = "9"
    & skf18("1","10","6","8","10","6","1") = "9"
    & skf18("1","10","6","8","10","7","1") = "9"
    & skf18("1","10","6","8","10","8","1") = "9"
    & skf18("1","10","6","8","10","9","1") = "9"
    & skf18("1","10","6","8","10","10","1") = "9"
    & skf18("1","10","6","9","1","1","1") = "9"
    & skf18("1","10","6","9","1","2","1") = "9"
    & skf18("1","10","6","9","1","3","1") = "9"
    & skf18("1","10","6","9","1","4","1") = "9"
    & skf18("1","10","6","9","1","5","1") = "9"
    & skf18("1","10","6","9","1","6","1") = "9"
    & skf18("1","10","6","9","1","7","1") = "9"
    & skf18("1","10","6","9","1","8","1") = "9"
    & skf18("1","10","6","9","1","9","1") = "9"
    & skf18("1","10","6","9","1","10","1") = "9"
    & skf18("1","10","6","9","2","1","1") = "9"
    & skf18("1","10","6","9","2","2","1") = "9"
    & skf18("1","10","6","9","2","3","1") = "9"
    & skf18("1","10","6","9","2","4","1") = "9"
    & skf18("1","10","6","9","2","5","1") = "9"
    & skf18("1","10","6","9","2","6","1") = "9"
    & skf18("1","10","6","9","2","7","1") = "9"
    & skf18("1","10","6","9","2","8","1") = "9"
    & skf18("1","10","6","9","2","9","1") = "9"
    & skf18("1","10","6","9","2","10","1") = "9"
    & skf18("1","10","6","9","3","1","1") = "9"
    & skf18("1","10","6","9","3","2","1") = "9"
    & skf18("1","10","6","9","3","3","1") = "9"
    & skf18("1","10","6","9","3","4","1") = "9"
    & skf18("1","10","6","9","3","5","1") = "9"
    & skf18("1","10","6","9","3","6","1") = "9"
    & skf18("1","10","6","9","3","7","1") = "9"
    & skf18("1","10","6","9","3","8","1") = "9"
    & skf18("1","10","6","9","3","9","1") = "9"
    & skf18("1","10","6","9","3","10","1") = "9"
    & skf18("1","10","6","9","4","1","1") = "9"
    & skf18("1","10","6","9","4","2","1") = "9"
    & skf18("1","10","6","9","4","3","1") = "9"
    & skf18("1","10","6","9","4","4","1") = "9"
    & skf18("1","10","6","9","4","5","1") = "9"
    & skf18("1","10","6","9","4","6","1") = "9"
    & skf18("1","10","6","9","4","7","1") = "9"
    & skf18("1","10","6","9","4","8","1") = "9"
    & skf18("1","10","6","9","4","9","1") = "9"
    & skf18("1","10","6","9","4","10","1") = "9"
    & skf18("1","10","6","9","5","1","1") = "9"
    & skf18("1","10","6","9","5","2","1") = "9"
    & skf18("1","10","6","9","5","3","1") = "9"
    & skf18("1","10","6","9","5","4","1") = "9"
    & skf18("1","10","6","9","5","5","1") = "9"
    & skf18("1","10","6","9","5","6","1") = "9"
    & skf18("1","10","6","9","5","7","1") = "9"
    & skf18("1","10","6","9","5","8","1") = "9"
    & skf18("1","10","6","9","5","9","1") = "9"
    & skf18("1","10","6","9","5","10","1") = "9"
    & skf18("1","10","6","9","6","1","1") = "9"
    & skf18("1","10","6","9","6","2","1") = "9"
    & skf18("1","10","6","9","6","3","1") = "9"
    & skf18("1","10","6","9","6","4","1") = "9"
    & skf18("1","10","6","9","6","5","1") = "9"
    & skf18("1","10","6","9","6","6","1") = "9"
    & skf18("1","10","6","9","6","7","1") = "9"
    & skf18("1","10","6","9","6","8","1") = "9"
    & skf18("1","10","6","9","6","9","1") = "9"
    & skf18("1","10","6","9","6","10","1") = "9"
    & skf18("1","10","6","9","7","1","1") = "9"
    & skf18("1","10","6","9","7","2","1") = "9"
    & skf18("1","10","6","9","7","3","1") = "9"
    & skf18("1","10","6","9","7","4","1") = "9"
    & skf18("1","10","6","9","7","5","1") = "9"
    & skf18("1","10","6","9","7","6","1") = "9"
    & skf18("1","10","6","9","7","7","1") = "9"
    & skf18("1","10","6","9","7","8","1") = "9"
    & skf18("1","10","6","9","7","9","1") = "9"
    & skf18("1","10","6","9","7","10","1") = "9"
    & skf18("1","10","6","9","8","1","1") = "9"
    & skf18("1","10","6","9","8","2","1") = "9"
    & skf18("1","10","6","9","8","3","1") = "9"
    & skf18("1","10","6","9","8","4","1") = "9"
    & skf18("1","10","6","9","8","5","1") = "9"
    & skf18("1","10","6","9","8","6","1") = "9"
    & skf18("1","10","6","9","8","7","1") = "9"
    & skf18("1","10","6","9","8","8","1") = "9"
    & skf18("1","10","6","9","8","9","1") = "9"
    & skf18("1","10","6","9","8","10","1") = "9"
    & skf18("1","10","6","9","9","1","1") = "9"
    & skf18("1","10","6","9","9","2","1") = "9"
    & skf18("1","10","6","9","9","3","1") = "9"
    & skf18("1","10","6","9","9","4","1") = "9"
    & skf18("1","10","6","9","9","5","1") = "9"
    & skf18("1","10","6","9","9","6","1") = "9"
    & skf18("1","10","6","9","9","7","1") = "9"
    & skf18("1","10","6","9","9","8","1") = "9"
    & skf18("1","10","6","9","9","9","1") = "9"
    & skf18("1","10","6","9","9","10","1") = "9"
    & skf18("1","10","6","9","10","1","1") = "9"
    & skf18("1","10","6","9","10","2","1") = "9"
    & skf18("1","10","6","9","10","3","1") = "9"
    & skf18("1","10","6","9","10","4","1") = "9"
    & skf18("1","10","6","9","10","5","1") = "9"
    & skf18("1","10","6","9","10","6","1") = "9"
    & skf18("1","10","6","9","10","7","1") = "9"
    & skf18("1","10","6","9","10","8","1") = "9"
    & skf18("1","10","6","9","10","9","1") = "9"
    & skf18("1","10","6","9","10","10","1") = "9"
    & skf18("1","10","6","10","1","1","1") = "9"
    & skf18("1","10","6","10","1","2","1") = "9"
    & skf18("1","10","6","10","1","3","1") = "9"
    & skf18("1","10","6","10","1","4","1") = "9"
    & skf18("1","10","6","10","1","5","1") = "9"
    & skf18("1","10","6","10","1","6","1") = "9"
    & skf18("1","10","6","10","1","7","1") = "9"
    & skf18("1","10","6","10","1","8","1") = "9"
    & skf18("1","10","6","10","1","9","1") = "9"
    & skf18("1","10","6","10","1","10","1") = "9"
    & skf18("1","10","6","10","2","1","1") = "9"
    & skf18("1","10","6","10","2","2","1") = "9"
    & skf18("1","10","6","10","2","3","1") = "9"
    & skf18("1","10","6","10","2","4","1") = "9"
    & skf18("1","10","6","10","2","5","1") = "9"
    & skf18("1","10","6","10","2","6","1") = "9"
    & skf18("1","10","6","10","2","7","1") = "9"
    & skf18("1","10","6","10","2","8","1") = "9"
    & skf18("1","10","6","10","2","9","1") = "9"
    & skf18("1","10","6","10","2","10","1") = "9"
    & skf18("1","10","6","10","3","1","1") = "9"
    & skf18("1","10","6","10","3","2","1") = "9"
    & skf18("1","10","6","10","3","3","1") = "9"
    & skf18("1","10","6","10","3","4","1") = "9"
    & skf18("1","10","6","10","3","5","1") = "9"
    & skf18("1","10","6","10","3","6","1") = "9"
    & skf18("1","10","6","10","3","7","1") = "9"
    & skf18("1","10","6","10","3","8","1") = "9"
    & skf18("1","10","6","10","3","9","1") = "9"
    & skf18("1","10","6","10","3","10","1") = "9"
    & skf18("1","10","6","10","4","1","1") = "9"
    & skf18("1","10","6","10","4","2","1") = "9"
    & skf18("1","10","6","10","4","3","1") = "9"
    & skf18("1","10","6","10","4","4","1") = "9"
    & skf18("1","10","6","10","4","5","1") = "9"
    & skf18("1","10","6","10","4","6","1") = "9"
    & skf18("1","10","6","10","4","7","1") = "9"
    & skf18("1","10","6","10","4","8","1") = "9"
    & skf18("1","10","6","10","4","9","1") = "9"
    & skf18("1","10","6","10","4","10","1") = "9"
    & skf18("1","10","6","10","5","1","1") = "9"
    & skf18("1","10","6","10","5","2","1") = "9"
    & skf18("1","10","6","10","5","3","1") = "9"
    & skf18("1","10","6","10","5","4","1") = "9"
    & skf18("1","10","6","10","5","5","1") = "9"
    & skf18("1","10","6","10","5","6","1") = "9"
    & skf18("1","10","6","10","5","7","1") = "9"
    & skf18("1","10","6","10","5","8","1") = "9"
    & skf18("1","10","6","10","5","9","1") = "9"
    & skf18("1","10","6","10","5","10","1") = "9"
    & skf18("1","10","6","10","6","1","1") = "9"
    & skf18("1","10","6","10","6","2","1") = "9"
    & skf18("1","10","6","10","6","3","1") = "9"
    & skf18("1","10","6","10","6","4","1") = "9"
    & skf18("1","10","6","10","6","5","1") = "9"
    & skf18("1","10","6","10","6","6","1") = "9"
    & skf18("1","10","6","10","6","7","1") = "9"
    & skf18("1","10","6","10","6","8","1") = "9"
    & skf18("1","10","6","10","6","9","1") = "9"
    & skf18("1","10","6","10","6","10","1") = "9"
    & skf18("1","10","6","10","7","1","1") = "9"
    & skf18("1","10","6","10","7","2","1") = "9"
    & skf18("1","10","6","10","7","3","1") = "9"
    & skf18("1","10","6","10","7","4","1") = "9"
    & skf18("1","10","6","10","7","5","1") = "9"
    & skf18("1","10","6","10","7","6","1") = "9"
    & skf18("1","10","6","10","7","7","1") = "9"
    & skf18("1","10","6","10","7","8","1") = "9"
    & skf18("1","10","6","10","7","9","1") = "9"
    & skf18("1","10","6","10","7","10","1") = "9"
    & skf18("1","10","6","10","8","1","1") = "9"
    & skf18("1","10","6","10","8","2","1") = "9"
    & skf18("1","10","6","10","8","3","1") = "9"
    & skf18("1","10","6","10","8","4","1") = "9"
    & skf18("1","10","6","10","8","5","1") = "9"
    & skf18("1","10","6","10","8","6","1") = "9"
    & skf18("1","10","6","10","8","7","1") = "9"
    & skf18("1","10","6","10","8","8","1") = "9"
    & skf18("1","10","6","10","8","9","1") = "9"
    & skf18("1","10","6","10","8","10","1") = "9"
    & skf18("1","10","6","10","9","1","1") = "9"
    & skf18("1","10","6","10","9","2","1") = "9"
    & skf18("1","10","6","10","9","3","1") = "9"
    & skf18("1","10","6","10","9","4","1") = "9"
    & skf18("1","10","6","10","9","5","1") = "9"
    & skf18("1","10","6","10","9","6","1") = "9"
    & skf18("1","10","6","10","9","7","1") = "9"
    & skf18("1","10","6","10","9","8","1") = "9"
    & skf18("1","10","6","10","9","9","1") = "9"
    & skf18("1","10","6","10","9","10","1") = "9"
    & skf18("1","10","6","10","10","1","1") = "9"
    & skf18("1","10","6","10","10","2","1") = "9"
    & skf18("1","10","6","10","10","3","1") = "9"
    & skf18("1","10","6","10","10","4","1") = "9"
    & skf18("1","10","6","10","10","5","1") = "9"
    & skf18("1","10","6","10","10","6","1") = "9"
    & skf18("1","10","6","10","10","7","1") = "9"
    & skf18("1","10","6","10","10","8","1") = "9"
    & skf18("1","10","6","10","10","9","1") = "9"
    & skf18("1","10","6","10","10","10","1") = "9"
    & skf18("1","10","7","1","1","1","1") = "9"
    & skf18("1","10","7","1","1","2","1") = "9"
    & skf18("1","10","7","1","1","3","1") = "9"
    & skf18("1","10","7","1","1","4","1") = "9"
    & skf18("1","10","7","1","1","5","1") = "9"
    & skf18("1","10","7","1","1","6","1") = "9"
    & skf18("1","10","7","1","1","7","1") = "9"
    & skf18("1","10","7","1","1","8","1") = "9"
    & skf18("1","10","7","1","1","9","1") = "9"
    & skf18("1","10","7","1","1","10","1") = "9"
    & skf18("1","10","7","1","2","1","1") = "9"
    & skf18("1","10","7","1","2","2","1") = "9"
    & skf18("1","10","7","1","2","3","1") = "9"
    & skf18("1","10","7","1","2","4","1") = "9"
    & skf18("1","10","7","1","2","5","1") = "9"
    & skf18("1","10","7","1","2","6","1") = "9"
    & skf18("1","10","7","1","2","7","1") = "9"
    & skf18("1","10","7","1","2","8","1") = "9"
    & skf18("1","10","7","1","2","9","1") = "9"
    & skf18("1","10","7","1","2","10","1") = "9"
    & skf18("1","10","7","1","3","1","1") = "9"
    & skf18("1","10","7","1","3","2","1") = "9"
    & skf18("1","10","7","1","3","3","1") = "9"
    & skf18("1","10","7","1","3","4","1") = "9"
    & skf18("1","10","7","1","3","5","1") = "9"
    & skf18("1","10","7","1","3","6","1") = "9"
    & skf18("1","10","7","1","3","7","1") = "9"
    & skf18("1","10","7","1","3","8","1") = "9"
    & skf18("1","10","7","1","3","9","1") = "9"
    & skf18("1","10","7","1","3","10","1") = "9"
    & skf18("1","10","7","1","4","1","1") = "9"
    & skf18("1","10","7","1","4","2","1") = "9"
    & skf18("1","10","7","1","4","3","1") = "9"
    & skf18("1","10","7","1","4","4","1") = "9"
    & skf18("1","10","7","1","4","5","1") = "9"
    & skf18("1","10","7","1","4","6","1") = "9"
    & skf18("1","10","7","1","4","7","1") = "9"
    & skf18("1","10","7","1","4","8","1") = "9"
    & skf18("1","10","7","1","4","9","1") = "9"
    & skf18("1","10","7","1","4","10","1") = "9"
    & skf18("1","10","7","1","5","1","1") = "9"
    & skf18("1","10","7","1","5","2","1") = "9"
    & skf18("1","10","7","1","5","3","1") = "9"
    & skf18("1","10","7","1","5","4","1") = "9"
    & skf18("1","10","7","1","5","5","1") = "9"
    & skf18("1","10","7","1","5","6","1") = "9"
    & skf18("1","10","7","1","5","7","1") = "9"
    & skf18("1","10","7","1","5","8","1") = "9"
    & skf18("1","10","7","1","5","9","1") = "9"
    & skf18("1","10","7","1","5","10","1") = "9"
    & skf18("1","10","7","1","6","1","1") = "9"
    & skf18("1","10","7","1","6","2","1") = "9"
    & skf18("1","10","7","1","6","3","1") = "9"
    & skf18("1","10","7","1","6","4","1") = "9"
    & skf18("1","10","7","1","6","5","1") = "9"
    & skf18("1","10","7","1","6","6","1") = "9"
    & skf18("1","10","7","1","6","7","1") = "9"
    & skf18("1","10","7","1","6","8","1") = "9"
    & skf18("1","10","7","1","6","9","1") = "9"
    & skf18("1","10","7","1","6","10","1") = "9"
    & skf18("1","10","7","1","7","1","1") = "9"
    & skf18("1","10","7","1","7","2","1") = "9"
    & skf18("1","10","7","1","7","3","1") = "9"
    & skf18("1","10","7","1","7","4","1") = "9"
    & skf18("1","10","7","1","7","5","1") = "9"
    & skf18("1","10","7","1","7","6","1") = "9"
    & skf18("1","10","7","1","7","7","1") = "9"
    & skf18("1","10","7","1","7","8","1") = "9"
    & skf18("1","10","7","1","7","9","1") = "9"
    & skf18("1","10","7","1","7","10","1") = "9"
    & skf18("1","10","7","1","8","1","1") = "9"
    & skf18("1","10","7","1","8","2","1") = "9"
    & skf18("1","10","7","1","8","3","1") = "9"
    & skf18("1","10","7","1","8","4","1") = "9"
    & skf18("1","10","7","1","8","5","1") = "9"
    & skf18("1","10","7","1","8","6","1") = "9"
    & skf18("1","10","7","1","8","7","1") = "9"
    & skf18("1","10","7","1","8","8","1") = "9"
    & skf18("1","10","7","1","8","9","1") = "9"
    & skf18("1","10","7","1","8","10","1") = "9"
    & skf18("1","10","7","1","9","1","1") = "9"
    & skf18("1","10","7","1","9","2","1") = "9"
    & skf18("1","10","7","1","9","3","1") = "9"
    & skf18("1","10","7","1","9","4","1") = "9"
    & skf18("1","10","7","1","9","5","1") = "9"
    & skf18("1","10","7","1","9","6","1") = "9"
    & skf18("1","10","7","1","9","7","1") = "9"
    & skf18("1","10","7","1","9","8","1") = "9"
    & skf18("1","10","7","1","9","9","1") = "9"
    & skf18("1","10","7","1","9","10","1") = "9"
    & skf18("1","10","7","1","10","1","1") = "9"
    & skf18("1","10","7","1","10","2","1") = "9"
    & skf18("1","10","7","1","10","3","1") = "9"
    & skf18("1","10","7","1","10","4","1") = "9"
    & skf18("1","10","7","1","10","5","1") = "9"
    & skf18("1","10","7","1","10","6","1") = "9"
    & skf18("1","10","7","1","10","7","1") = "9"
    & skf18("1","10","7","1","10","8","1") = "9"
    & skf18("1","10","7","1","10","9","1") = "9"
    & skf18("1","10","7","1","10","10","1") = "9"
    & skf18("1","10","7","2","1","1","1") = "9"
    & skf18("1","10","7","2","1","2","1") = "9"
    & skf18("1","10","7","2","1","3","1") = "9"
    & skf18("1","10","7","2","1","4","1") = "9"
    & skf18("1","10","7","2","1","5","1") = "9"
    & skf18("1","10","7","2","1","6","1") = "9"
    & skf18("1","10","7","2","1","7","1") = "9"
    & skf18("1","10","7","2","1","8","1") = "9"
    & skf18("1","10","7","2","1","9","1") = "9"
    & skf18("1","10","7","2","1","10","1") = "9"
    & skf18("1","10","7","2","2","1","1") = "9"
    & skf18("1","10","7","2","2","2","1") = "9"
    & skf18("1","10","7","2","2","3","1") = "9"
    & skf18("1","10","7","2","2","4","1") = "9"
    & skf18("1","10","7","2","2","5","1") = "9"
    & skf18("1","10","7","2","2","6","1") = "9"
    & skf18("1","10","7","2","2","7","1") = "9"
    & skf18("1","10","7","2","2","8","1") = "9"
    & skf18("1","10","7","2","2","9","1") = "9"
    & skf18("1","10","7","2","2","10","1") = "9"
    & skf18("1","10","7","2","3","1","1") = "9"
    & skf18("1","10","7","2","3","2","1") = "9"
    & skf18("1","10","7","2","3","3","1") = "9"
    & skf18("1","10","7","2","3","4","1") = "9"
    & skf18("1","10","7","2","3","5","1") = "9"
    & skf18("1","10","7","2","3","6","1") = "9"
    & skf18("1","10","7","2","3","7","1") = "9"
    & skf18("1","10","7","2","3","8","1") = "9"
    & skf18("1","10","7","2","3","9","1") = "9"
    & skf18("1","10","7","2","3","10","1") = "9"
    & skf18("1","10","7","2","4","1","1") = "9"
    & skf18("1","10","7","2","4","2","1") = "9"
    & skf18("1","10","7","2","4","3","1") = "9"
    & skf18("1","10","7","2","4","4","1") = "9"
    & skf18("1","10","7","2","4","5","1") = "9"
    & skf18("1","10","7","2","4","6","1") = "9"
    & skf18("1","10","7","2","4","7","1") = "9"
    & skf18("1","10","7","2","4","8","1") = "9"
    & skf18("1","10","7","2","4","9","1") = "9"
    & skf18("1","10","7","2","4","10","1") = "9"
    & skf18("1","10","7","2","5","1","1") = "9"
    & skf18("1","10","7","2","5","2","1") = "9"
    & skf18("1","10","7","2","5","3","1") = "9"
    & skf18("1","10","7","2","5","4","1") = "9"
    & skf18("1","10","7","2","5","5","1") = "9"
    & skf18("1","10","7","2","5","6","1") = "9"
    & skf18("1","10","7","2","5","7","1") = "9"
    & skf18("1","10","7","2","5","8","1") = "9"
    & skf18("1","10","7","2","5","9","1") = "9"
    & skf18("1","10","7","2","5","10","1") = "9"
    & skf18("1","10","7","2","6","1","1") = "9"
    & skf18("1","10","7","2","6","2","1") = "9"
    & skf18("1","10","7","2","6","3","1") = "9"
    & skf18("1","10","7","2","6","4","1") = "9"
    & skf18("1","10","7","2","6","5","1") = "9"
    & skf18("1","10","7","2","6","6","1") = "9"
    & skf18("1","10","7","2","6","7","1") = "9"
    & skf18("1","10","7","2","6","8","1") = "9"
    & skf18("1","10","7","2","6","9","1") = "9"
    & skf18("1","10","7","2","6","10","1") = "9"
    & skf18("1","10","7","2","7","1","1") = "9"
    & skf18("1","10","7","2","7","2","1") = "9"
    & skf18("1","10","7","2","7","3","1") = "9"
    & skf18("1","10","7","2","7","4","1") = "9"
    & skf18("1","10","7","2","7","5","1") = "9"
    & skf18("1","10","7","2","7","6","1") = "9"
    & skf18("1","10","7","2","7","7","1") = "9"
    & skf18("1","10","7","2","7","8","1") = "9"
    & skf18("1","10","7","2","7","9","1") = "9"
    & skf18("1","10","7","2","7","10","1") = "9"
    & skf18("1","10","7","2","8","1","1") = "9"
    & skf18("1","10","7","2","8","2","1") = "9"
    & skf18("1","10","7","2","8","3","1") = "9"
    & skf18("1","10","7","2","8","4","1") = "9"
    & skf18("1","10","7","2","8","5","1") = "9"
    & skf18("1","10","7","2","8","6","1") = "9"
    & skf18("1","10","7","2","8","7","1") = "9"
    & skf18("1","10","7","2","8","8","1") = "9"
    & skf18("1","10","7","2","8","9","1") = "9"
    & skf18("1","10","7","2","8","10","1") = "9"
    & skf18("1","10","7","2","9","1","1") = "9"
    & skf18("1","10","7","2","9","2","1") = "9"
    & skf18("1","10","7","2","9","3","1") = "9"
    & skf18("1","10","7","2","9","4","1") = "9"
    & skf18("1","10","7","2","9","5","1") = "9"
    & skf18("1","10","7","2","9","6","1") = "9"
    & skf18("1","10","7","2","9","7","1") = "9"
    & skf18("1","10","7","2","9","8","1") = "9"
    & skf18("1","10","7","2","9","9","1") = "9"
    & skf18("1","10","7","2","9","10","1") = "9"
    & skf18("1","10","7","2","10","1","1") = "9"
    & skf18("1","10","7","2","10","2","1") = "9"
    & skf18("1","10","7","2","10","3","1") = "9"
    & skf18("1","10","7","2","10","4","1") = "9"
    & skf18("1","10","7","2","10","5","1") = "9"
    & skf18("1","10","7","2","10","6","1") = "9"
    & skf18("1","10","7","2","10","7","1") = "9"
    & skf18("1","10","7","2","10","8","1") = "9"
    & skf18("1","10","7","2","10","9","1") = "9"
    & skf18("1","10","7","2","10","10","1") = "9"
    & skf18("1","10","7","3","1","1","1") = "9"
    & skf18("1","10","7","3","1","2","1") = "9"
    & skf18("1","10","7","3","1","3","1") = "9"
    & skf18("1","10","7","3","1","4","1") = "9"
    & skf18("1","10","7","3","1","5","1") = "9"
    & skf18("1","10","7","3","1","6","1") = "9"
    & skf18("1","10","7","3","1","7","1") = "9"
    & skf18("1","10","7","3","1","8","1") = "9"
    & skf18("1","10","7","3","1","9","1") = "9"
    & skf18("1","10","7","3","1","10","1") = "9"
    & skf18("1","10","7","3","2","1","1") = "9"
    & skf18("1","10","7","3","2","2","1") = "9"
    & skf18("1","10","7","3","2","3","1") = "9"
    & skf18("1","10","7","3","2","4","1") = "9"
    & skf18("1","10","7","3","2","5","1") = "9"
    & skf18("1","10","7","3","2","6","1") = "9"
    & skf18("1","10","7","3","2","7","1") = "9"
    & skf18("1","10","7","3","2","8","1") = "9"
    & skf18("1","10","7","3","2","9","1") = "9"
    & skf18("1","10","7","3","2","10","1") = "9"
    & skf18("1","10","7","3","3","1","1") = "9"
    & skf18("1","10","7","3","3","2","1") = "9"
    & skf18("1","10","7","3","3","3","1") = "9"
    & skf18("1","10","7","3","3","4","1") = "9"
    & skf18("1","10","7","3","3","5","1") = "9"
    & skf18("1","10","7","3","3","6","1") = "9"
    & skf18("1","10","7","3","3","7","1") = "9"
    & skf18("1","10","7","3","3","8","1") = "9"
    & skf18("1","10","7","3","3","9","1") = "9"
    & skf18("1","10","7","3","3","10","1") = "9"
    & skf18("1","10","7","3","4","1","1") = "9"
    & skf18("1","10","7","3","4","2","1") = "9"
    & skf18("1","10","7","3","4","3","1") = "9"
    & skf18("1","10","7","3","4","4","1") = "9"
    & skf18("1","10","7","3","4","5","1") = "9"
    & skf18("1","10","7","3","4","6","1") = "9"
    & skf18("1","10","7","3","4","7","1") = "9"
    & skf18("1","10","7","3","4","8","1") = "9"
    & skf18("1","10","7","3","4","9","1") = "9"
    & skf18("1","10","7","3","4","10","1") = "9"
    & skf18("1","10","7","3","5","1","1") = "9"
    & skf18("1","10","7","3","5","2","1") = "9"
    & skf18("1","10","7","3","5","3","1") = "9"
    & skf18("1","10","7","3","5","4","1") = "9"
    & skf18("1","10","7","3","5","5","1") = "9"
    & skf18("1","10","7","3","5","6","1") = "9"
    & skf18("1","10","7","3","5","7","1") = "9"
    & skf18("1","10","7","3","5","8","1") = "9"
    & skf18("1","10","7","3","5","9","1") = "9"
    & skf18("1","10","7","3","5","10","1") = "9"
    & skf18("1","10","7","3","6","1","1") = "9"
    & skf18("1","10","7","3","6","2","1") = "9"
    & skf18("1","10","7","3","6","3","1") = "9"
    & skf18("1","10","7","3","6","4","1") = "9"
    & skf18("1","10","7","3","6","5","1") = "9"
    & skf18("1","10","7","3","6","6","1") = "9"
    & skf18("1","10","7","3","6","7","1") = "9"
    & skf18("1","10","7","3","6","8","1") = "9"
    & skf18("1","10","7","3","6","9","1") = "9"
    & skf18("1","10","7","3","6","10","1") = "9"
    & skf18("1","10","7","3","7","1","1") = "9"
    & skf18("1","10","7","3","7","2","1") = "9"
    & skf18("1","10","7","3","7","3","1") = "9"
    & skf18("1","10","7","3","7","4","1") = "9"
    & skf18("1","10","7","3","7","5","1") = "9"
    & skf18("1","10","7","3","7","6","1") = "9"
    & skf18("1","10","7","3","7","7","1") = "9"
    & skf18("1","10","7","3","7","8","1") = "9"
    & skf18("1","10","7","3","7","9","1") = "9"
    & skf18("1","10","7","3","7","10","1") = "9"
    & skf18("1","10","7","3","8","1","1") = "9"
    & skf18("1","10","7","3","8","2","1") = "9"
    & skf18("1","10","7","3","8","3","1") = "9"
    & skf18("1","10","7","3","8","4","1") = "9"
    & skf18("1","10","7","3","8","5","1") = "9"
    & skf18("1","10","7","3","8","6","1") = "9"
    & skf18("1","10","7","3","8","7","1") = "9"
    & skf18("1","10","7","3","8","8","1") = "9"
    & skf18("1","10","7","3","8","9","1") = "9"
    & skf18("1","10","7","3","8","10","1") = "9"
    & skf18("1","10","7","3","9","1","1") = "9"
    & skf18("1","10","7","3","9","2","1") = "9"
    & skf18("1","10","7","3","9","3","1") = "9"
    & skf18("1","10","7","3","9","4","1") = "9"
    & skf18("1","10","7","3","9","5","1") = "9"
    & skf18("1","10","7","3","9","6","1") = "9"
    & skf18("1","10","7","3","9","7","1") = "9"
    & skf18("1","10","7","3","9","8","1") = "9"
    & skf18("1","10","7","3","9","9","1") = "9"
    & skf18("1","10","7","3","9","10","1") = "9"
    & skf18("1","10","7","3","10","1","1") = "9"
    & skf18("1","10","7","3","10","2","1") = "9"
    & skf18("1","10","7","3","10","3","1") = "9"
    & skf18("1","10","7","3","10","4","1") = "9"
    & skf18("1","10","7","3","10","5","1") = "9"
    & skf18("1","10","7","3","10","6","1") = "9"
    & skf18("1","10","7","3","10","7","1") = "9"
    & skf18("1","10","7","3","10","8","1") = "9"
    & skf18("1","10","7","3","10","9","1") = "9"
    & skf18("1","10","7","3","10","10","1") = "9"
    & skf18("1","10","7","4","1","1","1") = "9"
    & skf18("1","10","7","4","1","2","1") = "9"
    & skf18("1","10","7","4","1","3","1") = "9"
    & skf18("1","10","7","4","1","4","1") = "9"
    & skf18("1","10","7","4","1","5","1") = "9"
    & skf18("1","10","7","4","1","6","1") = "9"
    & skf18("1","10","7","4","1","7","1") = "9"
    & skf18("1","10","7","4","1","8","1") = "9"
    & skf18("1","10","7","4","1","9","1") = "9"
    & skf18("1","10","7","4","1","10","1") = "9"
    & skf18("1","10","7","4","2","1","1") = "9"
    & skf18("1","10","7","4","2","2","1") = "9"
    & skf18("1","10","7","4","2","3","1") = "9"
    & skf18("1","10","7","4","2","4","1") = "9"
    & skf18("1","10","7","4","2","5","1") = "9"
    & skf18("1","10","7","4","2","6","1") = "9"
    & skf18("1","10","7","4","2","7","1") = "9"
    & skf18("1","10","7","4","2","8","1") = "9"
    & skf18("1","10","7","4","2","9","1") = "9"
    & skf18("1","10","7","4","2","10","1") = "9"
    & skf18("1","10","7","4","3","1","1") = "9"
    & skf18("1","10","7","4","3","2","1") = "9"
    & skf18("1","10","7","4","3","3","1") = "9"
    & skf18("1","10","7","4","3","4","1") = "9"
    & skf18("1","10","7","4","3","5","1") = "9"
    & skf18("1","10","7","4","3","6","1") = "9"
    & skf18("1","10","7","4","3","7","1") = "9"
    & skf18("1","10","7","4","3","8","1") = "9"
    & skf18("1","10","7","4","3","9","1") = "9"
    & skf18("1","10","7","4","3","10","1") = "9"
    & skf18("1","10","7","4","4","1","1") = "9"
    & skf18("1","10","7","4","4","2","1") = "9"
    & skf18("1","10","7","4","4","3","1") = "9"
    & skf18("1","10","7","4","4","4","1") = "9"
    & skf18("1","10","7","4","4","5","1") = "9"
    & skf18("1","10","7","4","4","6","1") = "9"
    & skf18("1","10","7","4","4","7","1") = "9"
    & skf18("1","10","7","4","4","8","1") = "9"
    & skf18("1","10","7","4","4","9","1") = "9"
    & skf18("1","10","7","4","4","10","1") = "9"
    & skf18("1","10","7","4","5","1","1") = "9"
    & skf18("1","10","7","4","5","2","1") = "9"
    & skf18("1","10","7","4","5","3","1") = "9"
    & skf18("1","10","7","4","5","4","1") = "9"
    & skf18("1","10","7","4","5","5","1") = "9"
    & skf18("1","10","7","4","5","6","1") = "9"
    & skf18("1","10","7","4","5","7","1") = "9"
    & skf18("1","10","7","4","5","8","1") = "9"
    & skf18("1","10","7","4","5","9","1") = "9"
    & skf18("1","10","7","4","5","10","1") = "9"
    & skf18("1","10","7","4","6","1","1") = "9"
    & skf18("1","10","7","4","6","2","1") = "9"
    & skf18("1","10","7","4","6","3","1") = "9"
    & skf18("1","10","7","4","6","4","1") = "9"
    & skf18("1","10","7","4","6","5","1") = "9"
    & skf18("1","10","7","4","6","6","1") = "9"
    & skf18("1","10","7","4","6","7","1") = "9"
    & skf18("1","10","7","4","6","8","1") = "9"
    & skf18("1","10","7","4","6","9","1") = "9"
    & skf18("1","10","7","4","6","10","1") = "9"
    & skf18("1","10","7","4","7","1","1") = "9"
    & skf18("1","10","7","4","7","2","1") = "9"
    & skf18("1","10","7","4","7","3","1") = "9"
    & skf18("1","10","7","4","7","4","1") = "9"
    & skf18("1","10","7","4","7","5","1") = "9"
    & skf18("1","10","7","4","7","6","1") = "9"
    & skf18("1","10","7","4","7","7","1") = "9"
    & skf18("1","10","7","4","7","8","1") = "9"
    & skf18("1","10","7","4","7","9","1") = "9"
    & skf18("1","10","7","4","7","10","1") = "9"
    & skf18("1","10","7","4","8","1","1") = "9"
    & skf18("1","10","7","4","8","2","1") = "9"
    & skf18("1","10","7","4","8","3","1") = "9"
    & skf18("1","10","7","4","8","4","1") = "9"
    & skf18("1","10","7","4","8","5","1") = "9"
    & skf18("1","10","7","4","8","6","1") = "9"
    & skf18("1","10","7","4","8","7","1") = "9"
    & skf18("1","10","7","4","8","8","1") = "9"
    & skf18("1","10","7","4","8","9","1") = "9"
    & skf18("1","10","7","4","8","10","1") = "9"
    & skf18("1","10","7","4","9","1","1") = "9"
    & skf18("1","10","7","4","9","2","1") = "9"
    & skf18("1","10","7","4","9","3","1") = "9"
    & skf18("1","10","7","4","9","4","1") = "9"
    & skf18("1","10","7","4","9","5","1") = "9"
    & skf18("1","10","7","4","9","6","1") = "9"
    & skf18("1","10","7","4","9","7","1") = "9"
    & skf18("1","10","7","4","9","8","1") = "9"
    & skf18("1","10","7","4","9","9","1") = "9"
    & skf18("1","10","7","4","9","10","1") = "9"
    & skf18("1","10","7","4","10","1","1") = "9"
    & skf18("1","10","7","4","10","2","1") = "9"
    & skf18("1","10","7","4","10","3","1") = "9"
    & skf18("1","10","7","4","10","4","1") = "9"
    & skf18("1","10","7","4","10","5","1") = "9"
    & skf18("1","10","7","4","10","6","1") = "9"
    & skf18("1","10","7","4","10","7","1") = "9"
    & skf18("1","10","7","4","10","8","1") = "9"
    & skf18("1","10","7","4","10","9","1") = "9"
    & skf18("1","10","7","4","10","10","1") = "9"
    & skf18("1","10","7","5","1","1","1") = "9"
    & skf18("1","10","7","5","1","2","1") = "9"
    & skf18("1","10","7","5","1","3","1") = "9"
    & skf18("1","10","7","5","1","4","1") = "9"
    & skf18("1","10","7","5","1","5","1") = "9"
    & skf18("1","10","7","5","1","6","1") = "9"
    & skf18("1","10","7","5","1","7","1") = "9"
    & skf18("1","10","7","5","1","8","1") = "9"
    & skf18("1","10","7","5","1","9","1") = "9"
    & skf18("1","10","7","5","1","10","1") = "9"
    & skf18("1","10","7","5","2","1","1") = "9"
    & skf18("1","10","7","5","2","2","1") = "9"
    & skf18("1","10","7","5","2","3","1") = "9"
    & skf18("1","10","7","5","2","4","1") = "9"
    & skf18("1","10","7","5","2","5","1") = "9"
    & skf18("1","10","7","5","2","6","1") = "9"
    & skf18("1","10","7","5","2","7","1") = "9"
    & skf18("1","10","7","5","2","8","1") = "9"
    & skf18("1","10","7","5","2","9","1") = "9"
    & skf18("1","10","7","5","2","10","1") = "9"
    & skf18("1","10","7","5","3","1","1") = "9"
    & skf18("1","10","7","5","3","2","1") = "9"
    & skf18("1","10","7","5","3","3","1") = "9"
    & skf18("1","10","7","5","3","4","1") = "9"
    & skf18("1","10","7","5","3","5","1") = "9"
    & skf18("1","10","7","5","3","6","1") = "9"
    & skf18("1","10","7","5","3","7","1") = "9"
    & skf18("1","10","7","5","3","8","1") = "9"
    & skf18("1","10","7","5","3","9","1") = "9"
    & skf18("1","10","7","5","3","10","1") = "9"
    & skf18("1","10","7","5","4","1","1") = "9"
    & skf18("1","10","7","5","4","2","1") = "9"
    & skf18("1","10","7","5","4","3","1") = "9"
    & skf18("1","10","7","5","4","4","1") = "9"
    & skf18("1","10","7","5","4","5","1") = "9"
    & skf18("1","10","7","5","4","6","1") = "9"
    & skf18("1","10","7","5","4","7","1") = "9"
    & skf18("1","10","7","5","4","8","1") = "9"
    & skf18("1","10","7","5","4","9","1") = "9"
    & skf18("1","10","7","5","4","10","1") = "9"
    & skf18("1","10","7","5","5","1","1") = "9"
    & skf18("1","10","7","5","5","2","1") = "9"
    & skf18("1","10","7","5","5","3","1") = "9"
    & skf18("1","10","7","5","5","4","1") = "9"
    & skf18("1","10","7","5","5","5","1") = "9"
    & skf18("1","10","7","5","5","6","1") = "9"
    & skf18("1","10","7","5","5","7","1") = "9"
    & skf18("1","10","7","5","5","8","1") = "9"
    & skf18("1","10","7","5","5","9","1") = "9"
    & skf18("1","10","7","5","5","10","1") = "9"
    & skf18("1","10","7","5","6","1","1") = "9"
    & skf18("1","10","7","5","6","2","1") = "9"
    & skf18("1","10","7","5","6","3","1") = "9"
    & skf18("1","10","7","5","6","4","1") = "9"
    & skf18("1","10","7","5","6","5","1") = "9"
    & skf18("1","10","7","5","6","6","1") = "9"
    & skf18("1","10","7","5","6","7","1") = "9"
    & skf18("1","10","7","5","6","8","1") = "9"
    & skf18("1","10","7","5","6","9","1") = "9"
    & skf18("1","10","7","5","6","10","1") = "9"
    & skf18("1","10","7","5","7","1","1") = "9"
    & skf18("1","10","7","5","7","2","1") = "9"
    & skf18("1","10","7","5","7","3","1") = "9"
    & skf18("1","10","7","5","7","4","1") = "9"
    & skf18("1","10","7","5","7","5","1") = "9"
    & skf18("1","10","7","5","7","6","1") = "9"
    & skf18("1","10","7","5","7","7","1") = "9"
    & skf18("1","10","7","5","7","8","1") = "9"
    & skf18("1","10","7","5","7","9","1") = "9"
    & skf18("1","10","7","5","7","10","1") = "9"
    & skf18("1","10","7","5","8","1","1") = "9"
    & skf18("1","10","7","5","8","2","1") = "9"
    & skf18("1","10","7","5","8","3","1") = "9"
    & skf18("1","10","7","5","8","4","1") = "9"
    & skf18("1","10","7","5","8","5","1") = "9"
    & skf18("1","10","7","5","8","6","1") = "9"
    & skf18("1","10","7","5","8","7","1") = "9"
    & skf18("1","10","7","5","8","8","1") = "9"
    & skf18("1","10","7","5","8","9","1") = "9"
    & skf18("1","10","7","5","8","10","1") = "9"
    & skf18("1","10","7","5","9","1","1") = "9"
    & skf18("1","10","7","5","9","2","1") = "9"
    & skf18("1","10","7","5","9","3","1") = "9"
    & skf18("1","10","7","5","9","4","1") = "9"
    & skf18("1","10","7","5","9","5","1") = "9"
    & skf18("1","10","7","5","9","6","1") = "9"
    & skf18("1","10","7","5","9","7","1") = "9"
    & skf18("1","10","7","5","9","8","1") = "9"
    & skf18("1","10","7","5","9","9","1") = "9"
    & skf18("1","10","7","5","9","10","1") = "9"
    & skf18("1","10","7","5","10","1","1") = "9"
    & skf18("1","10","7","5","10","2","1") = "9"
    & skf18("1","10","7","5","10","3","1") = "9"
    & skf18("1","10","7","5","10","4","1") = "9"
    & skf18("1","10","7","5","10","5","1") = "9"
    & skf18("1","10","7","5","10","6","1") = "9"
    & skf18("1","10","7","5","10","7","1") = "9"
    & skf18("1","10","7","5","10","8","1") = "9"
    & skf18("1","10","7","5","10","9","1") = "9"
    & skf18("1","10","7","5","10","10","1") = "9"
    & skf18("1","10","7","6","1","1","1") = "9"
    & skf18("1","10","7","6","1","2","1") = "9"
    & skf18("1","10","7","6","1","3","1") = "9"
    & skf18("1","10","7","6","1","4","1") = "9"
    & skf18("1","10","7","6","1","5","1") = "9"
    & skf18("1","10","7","6","1","6","1") = "9"
    & skf18("1","10","7","6","1","7","1") = "9"
    & skf18("1","10","7","6","1","8","1") = "9"
    & skf18("1","10","7","6","1","9","1") = "9"
    & skf18("1","10","7","6","1","10","1") = "9"
    & skf18("1","10","7","6","2","1","1") = "9"
    & skf18("1","10","7","6","2","2","1") = "9"
    & skf18("1","10","7","6","2","3","1") = "9"
    & skf18("1","10","7","6","2","4","1") = "9"
    & skf18("1","10","7","6","2","5","1") = "9"
    & skf18("1","10","7","6","2","6","1") = "9"
    & skf18("1","10","7","6","2","7","1") = "9"
    & skf18("1","10","7","6","2","8","1") = "9"
    & skf18("1","10","7","6","2","9","1") = "9"
    & skf18("1","10","7","6","2","10","1") = "9"
    & skf18("1","10","7","6","3","1","1") = "9"
    & skf18("1","10","7","6","3","2","1") = "9"
    & skf18("1","10","7","6","3","3","1") = "9"
    & skf18("1","10","7","6","3","4","1") = "9"
    & skf18("1","10","7","6","3","5","1") = "9"
    & skf18("1","10","7","6","3","6","1") = "9"
    & skf18("1","10","7","6","3","7","1") = "9"
    & skf18("1","10","7","6","3","8","1") = "9"
    & skf18("1","10","7","6","3","9","1") = "9"
    & skf18("1","10","7","6","3","10","1") = "9"
    & skf18("1","10","7","6","4","1","1") = "9"
    & skf18("1","10","7","6","4","2","1") = "9"
    & skf18("1","10","7","6","4","3","1") = "9"
    & skf18("1","10","7","6","4","4","1") = "9"
    & skf18("1","10","7","6","4","5","1") = "9"
    & skf18("1","10","7","6","4","6","1") = "9"
    & skf18("1","10","7","6","4","7","1") = "9"
    & skf18("1","10","7","6","4","8","1") = "9"
    & skf18("1","10","7","6","4","9","1") = "9"
    & skf18("1","10","7","6","4","10","1") = "9"
    & skf18("1","10","7","6","5","1","1") = "9"
    & skf18("1","10","7","6","5","2","1") = "9"
    & skf18("1","10","7","6","5","3","1") = "9"
    & skf18("1","10","7","6","5","4","1") = "9"
    & skf18("1","10","7","6","5","5","1") = "9"
    & skf18("1","10","7","6","5","6","1") = "9"
    & skf18("1","10","7","6","5","7","1") = "9"
    & skf18("1","10","7","6","5","8","1") = "9"
    & skf18("1","10","7","6","5","9","1") = "9"
    & skf18("1","10","7","6","5","10","1") = "9"
    & skf18("1","10","7","6","6","1","1") = "9"
    & skf18("1","10","7","6","6","2","1") = "9"
    & skf18("1","10","7","6","6","3","1") = "9"
    & skf18("1","10","7","6","6","4","1") = "9"
    & skf18("1","10","7","6","6","5","1") = "9"
    & skf18("1","10","7","6","6","6","1") = "9"
    & skf18("1","10","7","6","6","7","1") = "9"
    & skf18("1","10","7","6","6","8","1") = "9"
    & skf18("1","10","7","6","6","9","1") = "9"
    & skf18("1","10","7","6","6","10","1") = "9"
    & skf18("1","10","7","6","7","1","1") = "9"
    & skf18("1","10","7","6","7","2","1") = "9"
    & skf18("1","10","7","6","7","3","1") = "9"
    & skf18("1","10","7","6","7","4","1") = "9"
    & skf18("1","10","7","6","7","5","1") = "9"
    & skf18("1","10","7","6","7","6","1") = "9"
    & skf18("1","10","7","6","7","7","1") = "9"
    & skf18("1","10","7","6","7","8","1") = "9"
    & skf18("1","10","7","6","7","9","1") = "9"
    & skf18("1","10","7","6","7","10","1") = "9"
    & skf18("1","10","7","6","8","1","1") = "9"
    & skf18("1","10","7","6","8","2","1") = "9"
    & skf18("1","10","7","6","8","3","1") = "9"
    & skf18("1","10","7","6","8","4","1") = "9"
    & skf18("1","10","7","6","8","5","1") = "9"
    & skf18("1","10","7","6","8","6","1") = "9"
    & skf18("1","10","7","6","8","7","1") = "9"
    & skf18("1","10","7","6","8","8","1") = "9"
    & skf18("1","10","7","6","8","9","1") = "9"
    & skf18("1","10","7","6","8","10","1") = "9"
    & skf18("1","10","7","6","9","1","1") = "9"
    & skf18("1","10","7","6","9","2","1") = "9"
    & skf18("1","10","7","6","9","3","1") = "9"
    & skf18("1","10","7","6","9","4","1") = "9"
    & skf18("1","10","7","6","9","5","1") = "9"
    & skf18("1","10","7","6","9","6","1") = "9"
    & skf18("1","10","7","6","9","7","1") = "9"
    & skf18("1","10","7","6","9","8","1") = "9"
    & skf18("1","10","7","6","9","9","1") = "9"
    & skf18("1","10","7","6","9","10","1") = "9"
    & skf18("1","10","7","6","10","1","1") = "9"
    & skf18("1","10","7","6","10","2","1") = "9"
    & skf18("1","10","7","6","10","3","1") = "9"
    & skf18("1","10","7","6","10","4","1") = "9"
    & skf18("1","10","7","6","10","5","1") = "9"
    & skf18("1","10","7","6","10","6","1") = "9"
    & skf18("1","10","7","6","10","7","1") = "9"
    & skf18("1","10","7","6","10","8","1") = "9"
    & skf18("1","10","7","6","10","9","1") = "9"
    & skf18("1","10","7","6","10","10","1") = "9"
    & skf18("1","10","7","7","1","1","1") = "9"
    & skf18("1","10","7","7","1","2","1") = "9"
    & skf18("1","10","7","7","1","3","1") = "9"
    & skf18("1","10","7","7","1","4","1") = "9"
    & skf18("1","10","7","7","1","5","1") = "9"
    & skf18("1","10","7","7","1","6","1") = "9"
    & skf18("1","10","7","7","1","7","1") = "9"
    & skf18("1","10","7","7","1","8","1") = "9"
    & skf18("1","10","7","7","1","9","1") = "9"
    & skf18("1","10","7","7","1","10","1") = "9"
    & skf18("1","10","7","7","2","1","1") = "9"
    & skf18("1","10","7","7","2","2","1") = "9"
    & skf18("1","10","7","7","2","3","1") = "9"
    & skf18("1","10","7","7","2","4","1") = "9"
    & skf18("1","10","7","7","2","5","1") = "9"
    & skf18("1","10","7","7","2","6","1") = "9"
    & skf18("1","10","7","7","2","7","1") = "9"
    & skf18("1","10","7","7","2","8","1") = "9"
    & skf18("1","10","7","7","2","9","1") = "9"
    & skf18("1","10","7","7","2","10","1") = "9"
    & skf18("1","10","7","7","3","1","1") = "9"
    & skf18("1","10","7","7","3","2","1") = "9"
    & skf18("1","10","7","7","3","3","1") = "9"
    & skf18("1","10","7","7","3","4","1") = "9"
    & skf18("1","10","7","7","3","5","1") = "9"
    & skf18("1","10","7","7","3","6","1") = "9"
    & skf18("1","10","7","7","3","7","1") = "9"
    & skf18("1","10","7","7","3","8","1") = "9"
    & skf18("1","10","7","7","3","9","1") = "9"
    & skf18("1","10","7","7","3","10","1") = "9"
    & skf18("1","10","7","7","4","1","1") = "9"
    & skf18("1","10","7","7","4","2","1") = "9"
    & skf18("1","10","7","7","4","3","1") = "9"
    & skf18("1","10","7","7","4","4","1") = "9"
    & skf18("1","10","7","7","4","5","1") = "9"
    & skf18("1","10","7","7","4","6","1") = "9"
    & skf18("1","10","7","7","4","7","1") = "9"
    & skf18("1","10","7","7","4","8","1") = "9"
    & skf18("1","10","7","7","4","9","1") = "9"
    & skf18("1","10","7","7","4","10","1") = "9"
    & skf18("1","10","7","7","5","1","1") = "9"
    & skf18("1","10","7","7","5","2","1") = "9"
    & skf18("1","10","7","7","5","3","1") = "9"
    & skf18("1","10","7","7","5","4","1") = "9"
    & skf18("1","10","7","7","5","5","1") = "9"
    & skf18("1","10","7","7","5","6","1") = "9"
    & skf18("1","10","7","7","5","7","1") = "9"
    & skf18("1","10","7","7","5","8","1") = "9"
    & skf18("1","10","7","7","5","9","1") = "9"
    & skf18("1","10","7","7","5","10","1") = "9"
    & skf18("1","10","7","7","6","1","1") = "9"
    & skf18("1","10","7","7","6","2","1") = "9"
    & skf18("1","10","7","7","6","3","1") = "9"
    & skf18("1","10","7","7","6","4","1") = "9"
    & skf18("1","10","7","7","6","5","1") = "9"
    & skf18("1","10","7","7","6","6","1") = "9"
    & skf18("1","10","7","7","6","7","1") = "9"
    & skf18("1","10","7","7","6","8","1") = "9"
    & skf18("1","10","7","7","6","9","1") = "9"
    & skf18("1","10","7","7","6","10","1") = "9"
    & skf18("1","10","7","7","7","1","1") = "9"
    & skf18("1","10","7","7","7","2","1") = "9"
    & skf18("1","10","7","7","7","3","1") = "9"
    & skf18("1","10","7","7","7","4","1") = "9"
    & skf18("1","10","7","7","7","5","1") = "9"
    & skf18("1","10","7","7","7","6","1") = "9"
    & skf18("1","10","7","7","7","7","1") = "9"
    & skf18("1","10","7","7","7","8","1") = "9"
    & skf18("1","10","7","7","7","9","1") = "9"
    & skf18("1","10","7","7","7","10","1") = "9"
    & skf18("1","10","7","7","8","1","1") = "9"
    & skf18("1","10","7","7","8","2","1") = "9"
    & skf18("1","10","7","7","8","3","1") = "9"
    & skf18("1","10","7","7","8","4","1") = "9"
    & skf18("1","10","7","7","8","5","1") = "9"
    & skf18("1","10","7","7","8","6","1") = "9"
    & skf18("1","10","7","7","8","7","1") = "9"
    & skf18("1","10","7","7","8","8","1") = "9"
    & skf18("1","10","7","7","8","9","1") = "9"
    & skf18("1","10","7","7","8","10","1") = "9"
    & skf18("1","10","7","7","9","1","1") = "9"
    & skf18("1","10","7","7","9","2","1") = "9"
    & skf18("1","10","7","7","9","3","1") = "9"
    & skf18("1","10","7","7","9","4","1") = "9"
    & skf18("1","10","7","7","9","5","1") = "9"
    & skf18("1","10","7","7","9","6","1") = "9"
    & skf18("1","10","7","7","9","7","1") = "9"
    & skf18("1","10","7","7","9","8","1") = "9"
    & skf18("1","10","7","7","9","9","1") = "9"
    & skf18("1","10","7","7","9","10","1") = "9"
    & skf18("1","10","7","7","10","1","1") = "9"
    & skf18("1","10","7","7","10","2","1") = "9"
    & skf18("1","10","7","7","10","3","1") = "9"
    & skf18("1","10","7","7","10","4","1") = "9"
    & skf18("1","10","7","7","10","5","1") = "9"
    & skf18("1","10","7","7","10","6","1") = "9"
    & skf18("1","10","7","7","10","7","1") = "9"
    & skf18("1","10","7","7","10","8","1") = "9"
    & skf18("1","10","7","7","10","9","1") = "9"
    & skf18("1","10","7","7","10","10","1") = "9"
    & skf18("1","10","7","8","1","1","1") = "9"
    & skf18("1","10","7","8","1","2","1") = "9"
    & skf18("1","10","7","8","1","3","1") = "9"
    & skf18("1","10","7","8","1","4","1") = "9"
    & skf18("1","10","7","8","1","5","1") = "9"
    & skf18("1","10","7","8","1","6","1") = "9"
    & skf18("1","10","7","8","1","7","1") = "9"
    & skf18("1","10","7","8","1","8","1") = "9"
    & skf18("1","10","7","8","1","9","1") = "9"
    & skf18("1","10","7","8","1","10","1") = "9"
    & skf18("1","10","7","8","2","1","1") = "9"
    & skf18("1","10","7","8","2","2","1") = "9"
    & skf18("1","10","7","8","2","3","1") = "9"
    & skf18("1","10","7","8","2","4","1") = "9"
    & skf18("1","10","7","8","2","5","1") = "9"
    & skf18("1","10","7","8","2","6","1") = "9"
    & skf18("1","10","7","8","2","7","1") = "9"
    & skf18("1","10","7","8","2","8","1") = "9"
    & skf18("1","10","7","8","2","9","1") = "9"
    & skf18("1","10","7","8","2","10","1") = "9"
    & skf18("1","10","7","8","3","1","1") = "9"
    & skf18("1","10","7","8","3","2","1") = "9"
    & skf18("1","10","7","8","3","3","1") = "9"
    & skf18("1","10","7","8","3","4","1") = "9"
    & skf18("1","10","7","8","3","5","1") = "9"
    & skf18("1","10","7","8","3","6","1") = "9"
    & skf18("1","10","7","8","3","7","1") = "9"
    & skf18("1","10","7","8","3","8","1") = "9"
    & skf18("1","10","7","8","3","9","1") = "9"
    & skf18("1","10","7","8","3","10","1") = "9"
    & skf18("1","10","7","8","4","1","1") = "9"
    & skf18("1","10","7","8","4","2","1") = "9"
    & skf18("1","10","7","8","4","3","1") = "9"
    & skf18("1","10","7","8","4","4","1") = "9"
    & skf18("1","10","7","8","4","5","1") = "9"
    & skf18("1","10","7","8","4","6","1") = "9"
    & skf18("1","10","7","8","4","7","1") = "9"
    & skf18("1","10","7","8","4","8","1") = "9"
    & skf18("1","10","7","8","4","9","1") = "9"
    & skf18("1","10","7","8","4","10","1") = "9"
    & skf18("1","10","7","8","5","1","1") = "9"
    & skf18("1","10","7","8","5","2","1") = "9"
    & skf18("1","10","7","8","5","3","1") = "9"
    & skf18("1","10","7","8","5","4","1") = "9"
    & skf18("1","10","7","8","5","5","1") = "9"
    & skf18("1","10","7","8","5","6","1") = "9"
    & skf18("1","10","7","8","5","7","1") = "9"
    & skf18("1","10","7","8","5","8","1") = "9"
    & skf18("1","10","7","8","5","9","1") = "9"
    & skf18("1","10","7","8","5","10","1") = "9"
    & skf18("1","10","7","8","6","1","1") = "9"
    & skf18("1","10","7","8","6","2","1") = "9"
    & skf18("1","10","7","8","6","3","1") = "9"
    & skf18("1","10","7","8","6","4","1") = "9"
    & skf18("1","10","7","8","6","5","1") = "9"
    & skf18("1","10","7","8","6","6","1") = "9"
    & skf18("1","10","7","8","6","7","1") = "9"
    & skf18("1","10","7","8","6","8","1") = "9"
    & skf18("1","10","7","8","6","9","1") = "9"
    & skf18("1","10","7","8","6","10","1") = "9"
    & skf18("1","10","7","8","7","1","1") = "9"
    & skf18("1","10","7","8","7","2","1") = "9"
    & skf18("1","10","7","8","7","3","1") = "9"
    & skf18("1","10","7","8","7","4","1") = "9"
    & skf18("1","10","7","8","7","5","1") = "9"
    & skf18("1","10","7","8","7","6","1") = "9"
    & skf18("1","10","7","8","7","7","1") = "9"
    & skf18("1","10","7","8","7","8","1") = "9"
    & skf18("1","10","7","8","7","9","1") = "9"
    & skf18("1","10","7","8","7","10","1") = "9"
    & skf18("1","10","7","8","8","1","1") = "9"
    & skf18("1","10","7","8","8","2","1") = "9"
    & skf18("1","10","7","8","8","3","1") = "9"
    & skf18("1","10","7","8","8","4","1") = "9"
    & skf18("1","10","7","8","8","5","1") = "9"
    & skf18("1","10","7","8","8","6","1") = "9"
    & skf18("1","10","7","8","8","7","1") = "9"
    & skf18("1","10","7","8","8","8","1") = "9"
    & skf18("1","10","7","8","8","9","1") = "9"
    & skf18("1","10","7","8","8","10","1") = "9"
    & skf18("1","10","7","8","9","1","1") = "9"
    & skf18("1","10","7","8","9","2","1") = "9"
    & skf18("1","10","7","8","9","3","1") = "9"
    & skf18("1","10","7","8","9","4","1") = "9"
    & skf18("1","10","7","8","9","5","1") = "9"
    & skf18("1","10","7","8","9","6","1") = "9"
    & skf18("1","10","7","8","9","7","1") = "9"
    & skf18("1","10","7","8","9","8","1") = "9"
    & skf18("1","10","7","8","9","9","1") = "9"
    & skf18("1","10","7","8","9","10","1") = "9"
    & skf18("1","10","7","8","10","1","1") = "9"
    & skf18("1","10","7","8","10","2","1") = "9"
    & skf18("1","10","7","8","10","3","1") = "9"
    & skf18("1","10","7","8","10","4","1") = "9"
    & skf18("1","10","7","8","10","5","1") = "9"
    & skf18("1","10","7","8","10","6","1") = "9"
    & skf18("1","10","7","8","10","7","1") = "9"
    & skf18("1","10","7","8","10","8","1") = "9"
    & skf18("1","10","7","8","10","9","1") = "9"
    & skf18("1","10","7","8","10","10","1") = "9"
    & skf18("1","10","7","9","1","1","1") = "9"
    & skf18("1","10","7","9","1","2","1") = "9"
    & skf18("1","10","7","9","1","3","1") = "9"
    & skf18("1","10","7","9","1","4","1") = "9"
    & skf18("1","10","7","9","1","5","1") = "9"
    & skf18("1","10","7","9","1","6","1") = "9"
    & skf18("1","10","7","9","1","7","1") = "9"
    & skf18("1","10","7","9","1","8","1") = "9"
    & skf18("1","10","7","9","1","9","1") = "9"
    & skf18("1","10","7","9","1","10","1") = "9"
    & skf18("1","10","7","9","2","1","1") = "9"
    & skf18("1","10","7","9","2","2","1") = "9"
    & skf18("1","10","7","9","2","3","1") = "9"
    & skf18("1","10","7","9","2","4","1") = "9"
    & skf18("1","10","7","9","2","5","1") = "9"
    & skf18("1","10","7","9","2","6","1") = "9"
    & skf18("1","10","7","9","2","7","1") = "9"
    & skf18("1","10","7","9","2","8","1") = "9"
    & skf18("1","10","7","9","2","9","1") = "9"
    & skf18("1","10","7","9","2","10","1") = "9"
    & skf18("1","10","7","9","3","1","1") = "9"
    & skf18("1","10","7","9","3","2","1") = "9"
    & skf18("1","10","7","9","3","3","1") = "9"
    & skf18("1","10","7","9","3","4","1") = "9"
    & skf18("1","10","7","9","3","5","1") = "9"
    & skf18("1","10","7","9","3","6","1") = "9"
    & skf18("1","10","7","9","3","7","1") = "9"
    & skf18("1","10","7","9","3","8","1") = "9"
    & skf18("1","10","7","9","3","9","1") = "9"
    & skf18("1","10","7","9","3","10","1") = "9"
    & skf18("1","10","7","9","4","1","1") = "9"
    & skf18("1","10","7","9","4","2","1") = "9"
    & skf18("1","10","7","9","4","3","1") = "9"
    & skf18("1","10","7","9","4","4","1") = "9"
    & skf18("1","10","7","9","4","5","1") = "9"
    & skf18("1","10","7","9","4","6","1") = "9"
    & skf18("1","10","7","9","4","7","1") = "9"
    & skf18("1","10","7","9","4","8","1") = "9"
    & skf18("1","10","7","9","4","9","1") = "9"
    & skf18("1","10","7","9","4","10","1") = "9"
    & skf18("1","10","7","9","5","1","1") = "9"
    & skf18("1","10","7","9","5","2","1") = "9"
    & skf18("1","10","7","9","5","3","1") = "9"
    & skf18("1","10","7","9","5","4","1") = "9"
    & skf18("1","10","7","9","5","5","1") = "9"
    & skf18("1","10","7","9","5","6","1") = "9"
    & skf18("1","10","7","9","5","7","1") = "9"
    & skf18("1","10","7","9","5","8","1") = "9"
    & skf18("1","10","7","9","5","9","1") = "9"
    & skf18("1","10","7","9","5","10","1") = "9"
    & skf18("1","10","7","9","6","1","1") = "9"
    & skf18("1","10","7","9","6","2","1") = "9"
    & skf18("1","10","7","9","6","3","1") = "9"
    & skf18("1","10","7","9","6","4","1") = "9"
    & skf18("1","10","7","9","6","5","1") = "9"
    & skf18("1","10","7","9","6","6","1") = "9"
    & skf18("1","10","7","9","6","7","1") = "9"
    & skf18("1","10","7","9","6","8","1") = "9"
    & skf18("1","10","7","9","6","9","1") = "9"
    & skf18("1","10","7","9","6","10","1") = "9"
    & skf18("1","10","7","9","7","1","1") = "9"
    & skf18("1","10","7","9","7","2","1") = "9"
    & skf18("1","10","7","9","7","3","1") = "9"
    & skf18("1","10","7","9","7","4","1") = "9"
    & skf18("1","10","7","9","7","5","1") = "9"
    & skf18("1","10","7","9","7","6","1") = "9"
    & skf18("1","10","7","9","7","7","1") = "9"
    & skf18("1","10","7","9","7","8","1") = "9"
    & skf18("1","10","7","9","7","9","1") = "9"
    & skf18("1","10","7","9","7","10","1") = "9"
    & skf18("1","10","7","9","8","1","1") = "9"
    & skf18("1","10","7","9","8","2","1") = "9"
    & skf18("1","10","7","9","8","3","1") = "9"
    & skf18("1","10","7","9","8","4","1") = "9"
    & skf18("1","10","7","9","8","5","1") = "9"
    & skf18("1","10","7","9","8","6","1") = "9"
    & skf18("1","10","7","9","8","7","1") = "9"
    & skf18("1","10","7","9","8","8","1") = "9"
    & skf18("1","10","7","9","8","9","1") = "9"
    & skf18("1","10","7","9","8","10","1") = "9"
    & skf18("1","10","7","9","9","1","1") = "9"
    & skf18("1","10","7","9","9","2","1") = "9"
    & skf18("1","10","7","9","9","3","1") = "9"
    & skf18("1","10","7","9","9","4","1") = "9"
    & skf18("1","10","7","9","9","5","1") = "9"
    & skf18("1","10","7","9","9","6","1") = "9"
    & skf18("1","10","7","9","9","7","1") = "9"
    & skf18("1","10","7","9","9","8","1") = "9"
    & skf18("1","10","7","9","9","9","1") = "9"
    & skf18("1","10","7","9","9","10","1") = "9"
    & skf18("1","10","7","9","10","1","1") = "9"
    & skf18("1","10","7","9","10","2","1") = "9"
    & skf18("1","10","7","9","10","3","1") = "9"
    & skf18("1","10","7","9","10","4","1") = "9"
    & skf18("1","10","7","9","10","5","1") = "9"
    & skf18("1","10","7","9","10","6","1") = "9"
    & skf18("1","10","7","9","10","7","1") = "9"
    & skf18("1","10","7","9","10","8","1") = "9"
    & skf18("1","10","7","9","10","9","1") = "9"
    & skf18("1","10","7","9","10","10","1") = "9"
    & skf18("1","10","7","10","1","1","1") = "9"
    & skf18("1","10","7","10","1","2","1") = "9"
    & skf18("1","10","7","10","1","3","1") = "9"
    & skf18("1","10","7","10","1","4","1") = "9"
    & skf18("1","10","7","10","1","5","1") = "9"
    & skf18("1","10","7","10","1","6","1") = "9"
    & skf18("1","10","7","10","1","7","1") = "9"
    & skf18("1","10","7","10","1","8","1") = "9"
    & skf18("1","10","7","10","1","9","1") = "9"
    & skf18("1","10","7","10","1","10","1") = "9"
    & skf18("1","10","7","10","2","1","1") = "9"
    & skf18("1","10","7","10","2","2","1") = "9"
    & skf18("1","10","7","10","2","3","1") = "9"
    & skf18("1","10","7","10","2","4","1") = "9"
    & skf18("1","10","7","10","2","5","1") = "9"
    & skf18("1","10","7","10","2","6","1") = "9"
    & skf18("1","10","7","10","2","7","1") = "9"
    & skf18("1","10","7","10","2","8","1") = "9"
    & skf18("1","10","7","10","2","9","1") = "9"
    & skf18("1","10","7","10","2","10","1") = "9"
    & skf18("1","10","7","10","3","1","1") = "9"
    & skf18("1","10","7","10","3","2","1") = "9"
    & skf18("1","10","7","10","3","3","1") = "9"
    & skf18("1","10","7","10","3","4","1") = "9"
    & skf18("1","10","7","10","3","5","1") = "9"
    & skf18("1","10","7","10","3","6","1") = "9"
    & skf18("1","10","7","10","3","7","1") = "9"
    & skf18("1","10","7","10","3","8","1") = "9"
    & skf18("1","10","7","10","3","9","1") = "9"
    & skf18("1","10","7","10","3","10","1") = "9"
    & skf18("1","10","7","10","4","1","1") = "9"
    & skf18("1","10","7","10","4","2","1") = "9"
    & skf18("1","10","7","10","4","3","1") = "9"
    & skf18("1","10","7","10","4","4","1") = "9"
    & skf18("1","10","7","10","4","5","1") = "9"
    & skf18("1","10","7","10","4","6","1") = "9"
    & skf18("1","10","7","10","4","7","1") = "9"
    & skf18("1","10","7","10","4","8","1") = "9"
    & skf18("1","10","7","10","4","9","1") = "9"
    & skf18("1","10","7","10","4","10","1") = "9"
    & skf18("1","10","7","10","5","1","1") = "9"
    & skf18("1","10","7","10","5","2","1") = "9"
    & skf18("1","10","7","10","5","3","1") = "9"
    & skf18("1","10","7","10","5","4","1") = "9"
    & skf18("1","10","7","10","5","5","1") = "9"
    & skf18("1","10","7","10","5","6","1") = "9"
    & skf18("1","10","7","10","5","7","1") = "9"
    & skf18("1","10","7","10","5","8","1") = "9"
    & skf18("1","10","7","10","5","9","1") = "9"
    & skf18("1","10","7","10","5","10","1") = "9"
    & skf18("1","10","7","10","6","1","1") = "9"
    & skf18("1","10","7","10","6","2","1") = "9"
    & skf18("1","10","7","10","6","3","1") = "9"
    & skf18("1","10","7","10","6","4","1") = "9"
    & skf18("1","10","7","10","6","5","1") = "9"
    & skf18("1","10","7","10","6","6","1") = "9"
    & skf18("1","10","7","10","6","7","1") = "9"
    & skf18("1","10","7","10","6","8","1") = "9"
    & skf18("1","10","7","10","6","9","1") = "9"
    & skf18("1","10","7","10","6","10","1") = "9"
    & skf18("1","10","7","10","7","1","1") = "9"
    & skf18("1","10","7","10","7","2","1") = "9"
    & skf18("1","10","7","10","7","3","1") = "9"
    & skf18("1","10","7","10","7","4","1") = "9"
    & skf18("1","10","7","10","7","5","1") = "9"
    & skf18("1","10","7","10","7","6","1") = "9"
    & skf18("1","10","7","10","7","7","1") = "9"
    & skf18("1","10","7","10","7","8","1") = "9"
    & skf18("1","10","7","10","7","9","1") = "9"
    & skf18("1","10","7","10","7","10","1") = "9"
    & skf18("1","10","7","10","8","1","1") = "9"
    & skf18("1","10","7","10","8","2","1") = "9"
    & skf18("1","10","7","10","8","3","1") = "9"
    & skf18("1","10","7","10","8","4","1") = "9"
    & skf18("1","10","7","10","8","5","1") = "9"
    & skf18("1","10","7","10","8","6","1") = "9"
    & skf18("1","10","7","10","8","7","1") = "9"
    & skf18("1","10","7","10","8","8","1") = "9"
    & skf18("1","10","7","10","8","9","1") = "9"
    & skf18("1","10","7","10","8","10","1") = "9"
    & skf18("1","10","7","10","9","1","1") = "9"
    & skf18("1","10","7","10","9","2","1") = "9"
    & skf18("1","10","7","10","9","3","1") = "9"
    & skf18("1","10","7","10","9","4","1") = "9"
    & skf18("1","10","7","10","9","5","1") = "9"
    & skf18("1","10","7","10","9","6","1") = "9"
    & skf18("1","10","7","10","9","7","1") = "9"
    & skf18("1","10","7","10","9","8","1") = "9"
    & skf18("1","10","7","10","9","9","1") = "9"
    & skf18("1","10","7","10","9","10","1") = "9"
    & skf18("1","10","7","10","10","1","1") = "9"
    & skf18("1","10","7","10","10","2","1") = "9"
    & skf18("1","10","7","10","10","3","1") = "9"
    & skf18("1","10","7","10","10","4","1") = "9"
    & skf18("1","10","7","10","10","5","1") = "9"
    & skf18("1","10","7","10","10","6","1") = "9"
    & skf18("1","10","7","10","10","7","1") = "9"
    & skf18("1","10","7","10","10","8","1") = "9"
    & skf18("1","10","7","10","10","9","1") = "9"
    & skf18("1","10","7","10","10","10","1") = "9"
    & skf18("1","10","8","1","1","1","1") = "9"
    & skf18("1","10","8","1","1","2","1") = "9"
    & skf18("1","10","8","1","1","3","1") = "9"
    & skf18("1","10","8","1","1","4","1") = "9"
    & skf18("1","10","8","1","1","5","1") = "9"
    & skf18("1","10","8","1","1","6","1") = "9"
    & skf18("1","10","8","1","1","7","1") = "9"
    & skf18("1","10","8","1","1","8","1") = "9"
    & skf18("1","10","8","1","1","9","1") = "9"
    & skf18("1","10","8","1","1","10","1") = "9"
    & skf18("1","10","8","1","2","1","1") = "9"
    & skf18("1","10","8","1","2","2","1") = "9"
    & skf18("1","10","8","1","2","3","1") = "9"
    & skf18("1","10","8","1","2","4","1") = "9"
    & skf18("1","10","8","1","2","5","1") = "9"
    & skf18("1","10","8","1","2","6","1") = "9"
    & skf18("1","10","8","1","2","7","1") = "9"
    & skf18("1","10","8","1","2","8","1") = "9"
    & skf18("1","10","8","1","2","9","1") = "9"
    & skf18("1","10","8","1","2","10","1") = "9"
    & skf18("1","10","8","1","3","1","1") = "9"
    & skf18("1","10","8","1","3","2","1") = "9"
    & skf18("1","10","8","1","3","3","1") = "9"
    & skf18("1","10","8","1","3","4","1") = "9"
    & skf18("1","10","8","1","3","5","1") = "9"
    & skf18("1","10","8","1","3","6","1") = "9"
    & skf18("1","10","8","1","3","7","1") = "9"
    & skf18("1","10","8","1","3","8","1") = "9"
    & skf18("1","10","8","1","3","9","1") = "9"
    & skf18("1","10","8","1","3","10","1") = "9"
    & skf18("1","10","8","1","4","1","1") = "9"
    & skf18("1","10","8","1","4","2","1") = "9"
    & skf18("1","10","8","1","4","3","1") = "9"
    & skf18("1","10","8","1","4","4","1") = "9"
    & skf18("1","10","8","1","4","5","1") = "9"
    & skf18("1","10","8","1","4","6","1") = "9"
    & skf18("1","10","8","1","4","7","1") = "9"
    & skf18("1","10","8","1","4","8","1") = "9"
    & skf18("1","10","8","1","4","9","1") = "9"
    & skf18("1","10","8","1","4","10","1") = "9"
    & skf18("1","10","8","1","5","1","1") = "9"
    & skf18("1","10","8","1","5","2","1") = "9"
    & skf18("1","10","8","1","5","3","1") = "9"
    & skf18("1","10","8","1","5","4","1") = "9"
    & skf18("1","10","8","1","5","5","1") = "9"
    & skf18("1","10","8","1","5","6","1") = "9"
    & skf18("1","10","8","1","5","7","1") = "9"
    & skf18("1","10","8","1","5","8","1") = "9"
    & skf18("1","10","8","1","5","9","1") = "9"
    & skf18("1","10","8","1","5","10","1") = "9"
    & skf18("1","10","8","1","6","1","1") = "9"
    & skf18("1","10","8","1","6","2","1") = "9"
    & skf18("1","10","8","1","6","3","1") = "9"
    & skf18("1","10","8","1","6","4","1") = "9"
    & skf18("1","10","8","1","6","5","1") = "9"
    & skf18("1","10","8","1","6","6","1") = "9"
    & skf18("1","10","8","1","6","7","1") = "9"
    & skf18("1","10","8","1","6","8","1") = "9"
    & skf18("1","10","8","1","6","9","1") = "9"
    & skf18("1","10","8","1","6","10","1") = "9"
    & skf18("1","10","8","1","7","1","1") = "9"
    & skf18("1","10","8","1","7","2","1") = "9"
    & skf18("1","10","8","1","7","3","1") = "9"
    & skf18("1","10","8","1","7","4","1") = "9"
    & skf18("1","10","8","1","7","5","1") = "9"
    & skf18("1","10","8","1","7","6","1") = "9"
    & skf18("1","10","8","1","7","7","1") = "9"
    & skf18("1","10","8","1","7","8","1") = "9"
    & skf18("1","10","8","1","7","9","1") = "9"
    & skf18("1","10","8","1","7","10","1") = "9"
    & skf18("1","10","8","1","8","1","1") = "9"
    & skf18("1","10","8","1","8","2","1") = "9"
    & skf18("1","10","8","1","8","3","1") = "9"
    & skf18("1","10","8","1","8","4","1") = "9"
    & skf18("1","10","8","1","8","5","1") = "9"
    & skf18("1","10","8","1","8","6","1") = "9"
    & skf18("1","10","8","1","8","7","1") = "9"
    & skf18("1","10","8","1","8","8","1") = "9"
    & skf18("1","10","8","1","8","9","1") = "9"
    & skf18("1","10","8","1","8","10","1") = "9"
    & skf18("1","10","8","1","9","1","1") = "9"
    & skf18("1","10","8","1","9","2","1") = "9"
    & skf18("1","10","8","1","9","3","1") = "9"
    & skf18("1","10","8","1","9","4","1") = "9"
    & skf18("1","10","8","1","9","5","1") = "9"
    & skf18("1","10","8","1","9","6","1") = "9"
    & skf18("1","10","8","1","9","7","1") = "9"
    & skf18("1","10","8","1","9","8","1") = "9"
    & skf18("1","10","8","1","9","9","1") = "9"
    & skf18("1","10","8","1","9","10","1") = "9"
    & skf18("1","10","8","1","10","1","1") = "9"
    & skf18("1","10","8","1","10","2","1") = "9"
    & skf18("1","10","8","1","10","3","1") = "9"
    & skf18("1","10","8","1","10","4","1") = "9"
    & skf18("1","10","8","1","10","5","1") = "9"
    & skf18("1","10","8","1","10","6","1") = "9"
    & skf18("1","10","8","1","10","7","1") = "9"
    & skf18("1","10","8","1","10","8","1") = "9"
    & skf18("1","10","8","1","10","9","1") = "9"
    & skf18("1","10","8","1","10","10","1") = "9"
    & skf18("1","10","8","2","1","1","1") = "9"
    & skf18("1","10","8","2","1","2","1") = "9"
    & skf18("1","10","8","2","1","3","1") = "9"
    & skf18("1","10","8","2","1","4","1") = "9"
    & skf18("1","10","8","2","1","5","1") = "9"
    & skf18("1","10","8","2","1","6","1") = "9"
    & skf18("1","10","8","2","1","7","1") = "9"
    & skf18("1","10","8","2","1","8","1") = "9"
    & skf18("1","10","8","2","1","9","1") = "9"
    & skf18("1","10","8","2","1","10","1") = "9"
    & skf18("1","10","8","2","2","1","1") = "9"
    & skf18("1","10","8","2","2","2","1") = "9"
    & skf18("1","10","8","2","2","3","1") = "9"
    & skf18("1","10","8","2","2","4","1") = "9"
    & skf18("1","10","8","2","2","5","1") = "9"
    & skf18("1","10","8","2","2","6","1") = "9"
    & skf18("1","10","8","2","2","7","1") = "9"
    & skf18("1","10","8","2","2","8","1") = "9"
    & skf18("1","10","8","2","2","9","1") = "9"
    & skf18("1","10","8","2","2","10","1") = "9"
    & skf18("1","10","8","2","3","1","1") = "9"
    & skf18("1","10","8","2","3","2","1") = "9"
    & skf18("1","10","8","2","3","3","1") = "9"
    & skf18("1","10","8","2","3","4","1") = "9"
    & skf18("1","10","8","2","3","5","1") = "9"
    & skf18("1","10","8","2","3","6","1") = "9"
    & skf18("1","10","8","2","3","7","1") = "9"
    & skf18("1","10","8","2","3","8","1") = "9"
    & skf18("1","10","8","2","3","9","1") = "9"
    & skf18("1","10","8","2","3","10","1") = "9"
    & skf18("1","10","8","2","4","1","1") = "9"
    & skf18("1","10","8","2","4","2","1") = "9"
    & skf18("1","10","8","2","4","3","1") = "9"
    & skf18("1","10","8","2","4","4","1") = "9"
    & skf18("1","10","8","2","4","5","1") = "9"
    & skf18("1","10","8","2","4","6","1") = "9"
    & skf18("1","10","8","2","4","7","1") = "9"
    & skf18("1","10","8","2","4","8","1") = "9"
    & skf18("1","10","8","2","4","9","1") = "9"
    & skf18("1","10","8","2","4","10","1") = "9"
    & skf18("1","10","8","2","5","1","1") = "9"
    & skf18("1","10","8","2","5","2","1") = "9"
    & skf18("1","10","8","2","5","3","1") = "9"
    & skf18("1","10","8","2","5","4","1") = "9"
    & skf18("1","10","8","2","5","5","1") = "9"
    & skf18("1","10","8","2","5","6","1") = "9"
    & skf18("1","10","8","2","5","7","1") = "9"
    & skf18("1","10","8","2","5","8","1") = "9"
    & skf18("1","10","8","2","5","9","1") = "9"
    & skf18("1","10","8","2","5","10","1") = "9"
    & skf18("1","10","8","2","6","1","1") = "9"
    & skf18("1","10","8","2","6","2","1") = "9"
    & skf18("1","10","8","2","6","3","1") = "9"
    & skf18("1","10","8","2","6","4","1") = "9"
    & skf18("1","10","8","2","6","5","1") = "9"
    & skf18("1","10","8","2","6","6","1") = "9"
    & skf18("1","10","8","2","6","7","1") = "9"
    & skf18("1","10","8","2","6","8","1") = "9"
    & skf18("1","10","8","2","6","9","1") = "9"
    & skf18("1","10","8","2","6","10","1") = "9"
    & skf18("1","10","8","2","7","1","1") = "9"
    & skf18("1","10","8","2","7","2","1") = "9"
    & skf18("1","10","8","2","7","3","1") = "9"
    & skf18("1","10","8","2","7","4","1") = "9"
    & skf18("1","10","8","2","7","5","1") = "9"
    & skf18("1","10","8","2","7","6","1") = "9"
    & skf18("1","10","8","2","7","7","1") = "9"
    & skf18("1","10","8","2","7","8","1") = "9"
    & skf18("1","10","8","2","7","9","1") = "9"
    & skf18("1","10","8","2","7","10","1") = "9"
    & skf18("1","10","8","2","8","1","1") = "9"
    & skf18("1","10","8","2","8","2","1") = "9"
    & skf18("1","10","8","2","8","3","1") = "9"
    & skf18("1","10","8","2","8","4","1") = "9"
    & skf18("1","10","8","2","8","5","1") = "9"
    & skf18("1","10","8","2","8","6","1") = "9"
    & skf18("1","10","8","2","8","7","1") = "9"
    & skf18("1","10","8","2","8","8","1") = "9"
    & skf18("1","10","8","2","8","9","1") = "9"
    & skf18("1","10","8","2","8","10","1") = "9"
    & skf18("1","10","8","2","9","1","1") = "9"
    & skf18("1","10","8","2","9","2","1") = "9"
    & skf18("1","10","8","2","9","3","1") = "9"
    & skf18("1","10","8","2","9","4","1") = "9"
    & skf18("1","10","8","2","9","5","1") = "9"
    & skf18("1","10","8","2","9","6","1") = "9"
    & skf18("1","10","8","2","9","7","1") = "9"
    & skf18("1","10","8","2","9","8","1") = "9"
    & skf18("1","10","8","2","9","9","1") = "9"
    & skf18("1","10","8","2","9","10","1") = "9"
    & skf18("1","10","8","2","10","1","1") = "9"
    & skf18("1","10","8","2","10","2","1") = "9"
    & skf18("1","10","8","2","10","3","1") = "9"
    & skf18("1","10","8","2","10","4","1") = "9"
    & skf18("1","10","8","2","10","5","1") = "9"
    & skf18("1","10","8","2","10","6","1") = "9"
    & skf18("1","10","8","2","10","7","1") = "9"
    & skf18("1","10","8","2","10","8","1") = "9"
    & skf18("1","10","8","2","10","9","1") = "9"
    & skf18("1","10","8","2","10","10","1") = "9"
    & skf18("1","10","8","3","1","1","1") = "9"
    & skf18("1","10","8","3","1","2","1") = "9"
    & skf18("1","10","8","3","1","3","1") = "9"
    & skf18("1","10","8","3","1","4","1") = "9"
    & skf18("1","10","8","3","1","5","1") = "9"
    & skf18("1","10","8","3","1","6","1") = "9"
    & skf18("1","10","8","3","1","7","1") = "9"
    & skf18("1","10","8","3","1","8","1") = "9"
    & skf18("1","10","8","3","1","9","1") = "9"
    & skf18("1","10","8","3","1","10","1") = "9"
    & skf18("1","10","8","3","2","1","1") = "9"
    & skf18("1","10","8","3","2","2","1") = "9"
    & skf18("1","10","8","3","2","3","1") = "9"
    & skf18("1","10","8","3","2","4","1") = "9"
    & skf18("1","10","8","3","2","5","1") = "9"
    & skf18("1","10","8","3","2","6","1") = "9"
    & skf18("1","10","8","3","2","7","1") = "9"
    & skf18("1","10","8","3","2","8","1") = "9"
    & skf18("1","10","8","3","2","9","1") = "9"
    & skf18("1","10","8","3","2","10","1") = "9"
    & skf18("1","10","8","3","3","1","1") = "9"
    & skf18("1","10","8","3","3","2","1") = "9"
    & skf18("1","10","8","3","3","3","1") = "9"
    & skf18("1","10","8","3","3","4","1") = "9"
    & skf18("1","10","8","3","3","5","1") = "9"
    & skf18("1","10","8","3","3","6","1") = "9"
    & skf18("1","10","8","3","3","7","1") = "9"
    & skf18("1","10","8","3","3","8","1") = "9"
    & skf18("1","10","8","3","3","9","1") = "9"
    & skf18("1","10","8","3","3","10","1") = "9"
    & skf18("1","10","8","3","4","1","1") = "9"
    & skf18("1","10","8","3","4","2","1") = "9"
    & skf18("1","10","8","3","4","3","1") = "9"
    & skf18("1","10","8","3","4","4","1") = "9"
    & skf18("1","10","8","3","4","5","1") = "9"
    & skf18("1","10","8","3","4","6","1") = "9"
    & skf18("1","10","8","3","4","7","1") = "9"
    & skf18("1","10","8","3","4","8","1") = "9"
    & skf18("1","10","8","3","4","9","1") = "9"
    & skf18("1","10","8","3","4","10","1") = "9"
    & skf18("1","10","8","3","5","1","1") = "9"
    & skf18("1","10","8","3","5","2","1") = "9"
    & skf18("1","10","8","3","5","3","1") = "9"
    & skf18("1","10","8","3","5","4","1") = "9"
    & skf18("1","10","8","3","5","5","1") = "9"
    & skf18("1","10","8","3","5","6","1") = "9"
    & skf18("1","10","8","3","5","7","1") = "9"
    & skf18("1","10","8","3","5","8","1") = "9"
    & skf18("1","10","8","3","5","9","1") = "9"
    & skf18("1","10","8","3","5","10","1") = "9"
    & skf18("1","10","8","3","6","1","1") = "9"
    & skf18("1","10","8","3","6","2","1") = "9"
    & skf18("1","10","8","3","6","3","1") = "9"
    & skf18("1","10","8","3","6","4","1") = "9"
    & skf18("1","10","8","3","6","5","1") = "9"
    & skf18("1","10","8","3","6","6","1") = "9"
    & skf18("1","10","8","3","6","7","1") = "9"
    & skf18("1","10","8","3","6","8","1") = "9"
    & skf18("1","10","8","3","6","9","1") = "9"
    & skf18("1","10","8","3","6","10","1") = "9"
    & skf18("1","10","8","3","7","1","1") = "9"
    & skf18("1","10","8","3","7","2","1") = "9"
    & skf18("1","10","8","3","7","3","1") = "9"
    & skf18("1","10","8","3","7","4","1") = "9"
    & skf18("1","10","8","3","7","5","1") = "9"
    & skf18("1","10","8","3","7","6","1") = "9"
    & skf18("1","10","8","3","7","7","1") = "9"
    & skf18("1","10","8","3","7","8","1") = "9"
    & skf18("1","10","8","3","7","9","1") = "9"
    & skf18("1","10","8","3","7","10","1") = "9"
    & skf18("1","10","8","3","8","1","1") = "9"
    & skf18("1","10","8","3","8","2","1") = "9"
    & skf18("1","10","8","3","8","3","1") = "9"
    & skf18("1","10","8","3","8","4","1") = "9"
    & skf18("1","10","8","3","8","5","1") = "9"
    & skf18("1","10","8","3","8","6","1") = "9"
    & skf18("1","10","8","3","8","7","1") = "9"
    & skf18("1","10","8","3","8","8","1") = "9"
    & skf18("1","10","8","3","8","9","1") = "9"
    & skf18("1","10","8","3","8","10","1") = "9"
    & skf18("1","10","8","3","9","1","1") = "9"
    & skf18("1","10","8","3","9","2","1") = "9"
    & skf18("1","10","8","3","9","3","1") = "9"
    & skf18("1","10","8","3","9","4","1") = "9"
    & skf18("1","10","8","3","9","5","1") = "9"
    & skf18("1","10","8","3","9","6","1") = "9"
    & skf18("1","10","8","3","9","7","1") = "9"
    & skf18("1","10","8","3","9","8","1") = "9"
    & skf18("1","10","8","3","9","9","1") = "9"
    & skf18("1","10","8","3","9","10","1") = "9"
    & skf18("1","10","8","3","10","1","1") = "9"
    & skf18("1","10","8","3","10","2","1") = "9"
    & skf18("1","10","8","3","10","3","1") = "9"
    & skf18("1","10","8","3","10","4","1") = "9"
    & skf18("1","10","8","3","10","5","1") = "9"
    & skf18("1","10","8","3","10","6","1") = "9"
    & skf18("1","10","8","3","10","7","1") = "9"
    & skf18("1","10","8","3","10","8","1") = "9"
    & skf18("1","10","8","3","10","9","1") = "9"
    & skf18("1","10","8","3","10","10","1") = "9"
    & skf18("1","10","8","4","1","1","1") = "9"
    & skf18("1","10","8","4","1","2","1") = "9"
    & skf18("1","10","8","4","1","3","1") = "9"
    & skf18("1","10","8","4","1","4","1") = "9"
    & skf18("1","10","8","4","1","5","1") = "9"
    & skf18("1","10","8","4","1","6","1") = "9"
    & skf18("1","10","8","4","1","7","1") = "9"
    & skf18("1","10","8","4","1","8","1") = "9"
    & skf18("1","10","8","4","1","9","1") = "9"
    & skf18("1","10","8","4","1","10","1") = "9"
    & skf18("1","10","8","4","2","1","1") = "9"
    & skf18("1","10","8","4","2","2","1") = "9"
    & skf18("1","10","8","4","2","3","1") = "9"
    & skf18("1","10","8","4","2","4","1") = "9"
    & skf18("1","10","8","4","2","5","1") = "9"
    & skf18("1","10","8","4","2","6","1") = "9"
    & skf18("1","10","8","4","2","7","1") = "9"
    & skf18("1","10","8","4","2","8","1") = "9"
    & skf18("1","10","8","4","2","9","1") = "9"
    & skf18("1","10","8","4","2","10","1") = "9"
    & skf18("1","10","8","4","3","1","1") = "9"
    & skf18("1","10","8","4","3","2","1") = "9"
    & skf18("1","10","8","4","3","3","1") = "9"
    & skf18("1","10","8","4","3","4","1") = "9"
    & skf18("1","10","8","4","3","5","1") = "9"
    & skf18("1","10","8","4","3","6","1") = "9"
    & skf18("1","10","8","4","3","7","1") = "9"
    & skf18("1","10","8","4","3","8","1") = "9"
    & skf18("1","10","8","4","3","9","1") = "9"
    & skf18("1","10","8","4","3","10","1") = "9"
    & skf18("1","10","8","4","4","1","1") = "9"
    & skf18("1","10","8","4","4","2","1") = "9"
    & skf18("1","10","8","4","4","3","1") = "9"
    & skf18("1","10","8","4","4","4","1") = "9"
    & skf18("1","10","8","4","4","5","1") = "9"
    & skf18("1","10","8","4","4","6","1") = "9"
    & skf18("1","10","8","4","4","7","1") = "9"
    & skf18("1","10","8","4","4","8","1") = "9"
    & skf18("1","10","8","4","4","9","1") = "9"
    & skf18("1","10","8","4","4","10","1") = "9"
    & skf18("1","10","8","4","5","1","1") = "9"
    & skf18("1","10","8","4","5","2","1") = "9"
    & skf18("1","10","8","4","5","3","1") = "9"
    & skf18("1","10","8","4","5","4","1") = "9"
    & skf18("1","10","8","4","5","5","1") = "9"
    & skf18("1","10","8","4","5","6","1") = "9"
    & skf18("1","10","8","4","5","7","1") = "9"
    & skf18("1","10","8","4","5","8","1") = "9"
    & skf18("1","10","8","4","5","9","1") = "9"
    & skf18("1","10","8","4","5","10","1") = "9"
    & skf18("1","10","8","4","6","1","1") = "9"
    & skf18("1","10","8","4","6","2","1") = "9"
    & skf18("1","10","8","4","6","3","1") = "9"
    & skf18("1","10","8","4","6","4","1") = "9"
    & skf18("1","10","8","4","6","5","1") = "9"
    & skf18("1","10","8","4","6","6","1") = "9"
    & skf18("1","10","8","4","6","7","1") = "9"
    & skf18("1","10","8","4","6","8","1") = "9"
    & skf18("1","10","8","4","6","9","1") = "9"
    & skf18("1","10","8","4","6","10","1") = "9"
    & skf18("1","10","8","4","7","1","1") = "9"
    & skf18("1","10","8","4","7","2","1") = "9"
    & skf18("1","10","8","4","7","3","1") = "9"
    & skf18("1","10","8","4","7","4","1") = "9"
    & skf18("1","10","8","4","7","5","1") = "9"
    & skf18("1","10","8","4","7","6","1") = "9"
    & skf18("1","10","8","4","7","7","1") = "9"
    & skf18("1","10","8","4","7","8","1") = "9"
    & skf18("1","10","8","4","7","9","1") = "9"
    & skf18("1","10","8","4","7","10","1") = "9"
    & skf18("1","10","8","4","8","1","1") = "9"
    & skf18("1","10","8","4","8","2","1") = "9"
    & skf18("1","10","8","4","8","3","1") = "9"
    & skf18("1","10","8","4","8","4","1") = "9"
    & skf18("1","10","8","4","8","5","1") = "9"
    & skf18("1","10","8","4","8","6","1") = "9"
    & skf18("1","10","8","4","8","7","1") = "9"
    & skf18("1","10","8","4","8","8","1") = "9"
    & skf18("1","10","8","4","8","9","1") = "9"
    & skf18("1","10","8","4","8","10","1") = "9"
    & skf18("1","10","8","4","9","1","1") = "9"
    & skf18("1","10","8","4","9","2","1") = "9"
    & skf18("1","10","8","4","9","3","1") = "9"
    & skf18("1","10","8","4","9","4","1") = "9"
    & skf18("1","10","8","4","9","5","1") = "9"
    & skf18("1","10","8","4","9","6","1") = "9"
    & skf18("1","10","8","4","9","7","1") = "9"
    & skf18("1","10","8","4","9","8","1") = "9"
    & skf18("1","10","8","4","9","9","1") = "9"
    & skf18("1","10","8","4","9","10","1") = "9"
    & skf18("1","10","8","4","10","1","1") = "9"
    & skf18("1","10","8","4","10","2","1") = "9"
    & skf18("1","10","8","4","10","3","1") = "9"
    & skf18("1","10","8","4","10","4","1") = "9"
    & skf18("1","10","8","4","10","5","1") = "9"
    & skf18("1","10","8","4","10","6","1") = "9"
    & skf18("1","10","8","4","10","7","1") = "9"
    & skf18("1","10","8","4","10","8","1") = "9"
    & skf18("1","10","8","4","10","9","1") = "9"
    & skf18("1","10","8","4","10","10","1") = "9"
    & skf18("1","10","8","5","1","1","1") = "9"
    & skf18("1","10","8","5","1","2","1") = "9"
    & skf18("1","10","8","5","1","3","1") = "9"
    & skf18("1","10","8","5","1","4","1") = "9"
    & skf18("1","10","8","5","1","5","1") = "9"
    & skf18("1","10","8","5","1","6","1") = "9"
    & skf18("1","10","8","5","1","7","1") = "9"
    & skf18("1","10","8","5","1","8","1") = "9"
    & skf18("1","10","8","5","1","9","1") = "9"
    & skf18("1","10","8","5","1","10","1") = "9"
    & skf18("1","10","8","5","2","1","1") = "9"
    & skf18("1","10","8","5","2","2","1") = "9"
    & skf18("1","10","8","5","2","3","1") = "9"
    & skf18("1","10","8","5","2","4","1") = "9"
    & skf18("1","10","8","5","2","5","1") = "9"
    & skf18("1","10","8","5","2","6","1") = "9"
    & skf18("1","10","8","5","2","7","1") = "9"
    & skf18("1","10","8","5","2","8","1") = "9"
    & skf18("1","10","8","5","2","9","1") = "9"
    & skf18("1","10","8","5","2","10","1") = "9"
    & skf18("1","10","8","5","3","1","1") = "9"
    & skf18("1","10","8","5","3","2","1") = "9"
    & skf18("1","10","8","5","3","3","1") = "9"
    & skf18("1","10","8","5","3","4","1") = "9"
    & skf18("1","10","8","5","3","5","1") = "9"
    & skf18("1","10","8","5","3","6","1") = "9"
    & skf18("1","10","8","5","3","7","1") = "9"
    & skf18("1","10","8","5","3","8","1") = "9"
    & skf18("1","10","8","5","3","9","1") = "9"
    & skf18("1","10","8","5","3","10","1") = "9"
    & skf18("1","10","8","5","4","1","1") = "9"
    & skf18("1","10","8","5","4","2","1") = "9"
    & skf18("1","10","8","5","4","3","1") = "9"
    & skf18("1","10","8","5","4","4","1") = "9"
    & skf18("1","10","8","5","4","5","1") = "9"
    & skf18("1","10","8","5","4","6","1") = "9"
    & skf18("1","10","8","5","4","7","1") = "9"
    & skf18("1","10","8","5","4","8","1") = "9"
    & skf18("1","10","8","5","4","9","1") = "9"
    & skf18("1","10","8","5","4","10","1") = "9"
    & skf18("1","10","8","5","5","1","1") = "9"
    & skf18("1","10","8","5","5","2","1") = "9"
    & skf18("1","10","8","5","5","3","1") = "9"
    & skf18("1","10","8","5","5","4","1") = "9"
    & skf18("1","10","8","5","5","5","1") = "9"
    & skf18("1","10","8","5","5","6","1") = "9"
    & skf18("1","10","8","5","5","7","1") = "9"
    & skf18("1","10","8","5","5","8","1") = "9"
    & skf18("1","10","8","5","5","9","1") = "9"
    & skf18("1","10","8","5","5","10","1") = "9"
    & skf18("1","10","8","5","6","1","1") = "9"
    & skf18("1","10","8","5","6","2","1") = "9"
    & skf18("1","10","8","5","6","3","1") = "9"
    & skf18("1","10","8","5","6","4","1") = "9"
    & skf18("1","10","8","5","6","5","1") = "9"
    & skf18("1","10","8","5","6","6","1") = "9"
    & skf18("1","10","8","5","6","7","1") = "9"
    & skf18("1","10","8","5","6","8","1") = "9"
    & skf18("1","10","8","5","6","9","1") = "9"
    & skf18("1","10","8","5","6","10","1") = "9"
    & skf18("1","10","8","5","7","1","1") = "9"
    & skf18("1","10","8","5","7","2","1") = "9"
    & skf18("1","10","8","5","7","3","1") = "9"
    & skf18("1","10","8","5","7","4","1") = "9"
    & skf18("1","10","8","5","7","5","1") = "9"
    & skf18("1","10","8","5","7","6","1") = "9"
    & skf18("1","10","8","5","7","7","1") = "9"
    & skf18("1","10","8","5","7","8","1") = "9"
    & skf18("1","10","8","5","7","9","1") = "9"
    & skf18("1","10","8","5","7","10","1") = "9"
    & skf18("1","10","8","5","8","1","1") = "9"
    & skf18("1","10","8","5","8","2","1") = "9"
    & skf18("1","10","8","5","8","3","1") = "9"
    & skf18("1","10","8","5","8","4","1") = "9"
    & skf18("1","10","8","5","8","5","1") = "9"
    & skf18("1","10","8","5","8","6","1") = "9"
    & skf18("1","10","8","5","8","7","1") = "9"
    & skf18("1","10","8","5","8","8","1") = "9"
    & skf18("1","10","8","5","8","9","1") = "9"
    & skf18("1","10","8","5","8","10","1") = "9"
    & skf18("1","10","8","5","9","1","1") = "9"
    & skf18("1","10","8","5","9","2","1") = "9"
    & skf18("1","10","8","5","9","3","1") = "9"
    & skf18("1","10","8","5","9","4","1") = "9"
    & skf18("1","10","8","5","9","5","1") = "9"
    & skf18("1","10","8","5","9","6","1") = "9"
    & skf18("1","10","8","5","9","7","1") = "9"
    & skf18("1","10","8","5","9","8","1") = "9"
    & skf18("1","10","8","5","9","9","1") = "9"
    & skf18("1","10","8","5","9","10","1") = "9"
    & skf18("1","10","8","5","10","1","1") = "9"
    & skf18("1","10","8","5","10","2","1") = "9"
    & skf18("1","10","8","5","10","3","1") = "9"
    & skf18("1","10","8","5","10","4","1") = "9"
    & skf18("1","10","8","5","10","5","1") = "9"
    & skf18("1","10","8","5","10","6","1") = "9"
    & skf18("1","10","8","5","10","7","1") = "9"
    & skf18("1","10","8","5","10","8","1") = "9"
    & skf18("1","10","8","5","10","9","1") = "9"
    & skf18("1","10","8","5","10","10","1") = "9"
    & skf18("1","10","8","6","1","1","1") = "9"
    & skf18("1","10","8","6","1","2","1") = "9"
    & skf18("1","10","8","6","1","3","1") = "9"
    & skf18("1","10","8","6","1","4","1") = "9"
    & skf18("1","10","8","6","1","5","1") = "9"
    & skf18("1","10","8","6","1","6","1") = "9"
    & skf18("1","10","8","6","1","7","1") = "9"
    & skf18("1","10","8","6","1","8","1") = "9"
    & skf18("1","10","8","6","1","9","1") = "9"
    & skf18("1","10","8","6","1","10","1") = "9"
    & skf18("1","10","8","6","2","1","1") = "9"
    & skf18("1","10","8","6","2","2","1") = "9"
    & skf18("1","10","8","6","2","3","1") = "9"
    & skf18("1","10","8","6","2","4","1") = "9"
    & skf18("1","10","8","6","2","5","1") = "9"
    & skf18("1","10","8","6","2","6","1") = "9"
    & skf18("1","10","8","6","2","7","1") = "9"
    & skf18("1","10","8","6","2","8","1") = "9"
    & skf18("1","10","8","6","2","9","1") = "9"
    & skf18("1","10","8","6","2","10","1") = "9"
    & skf18("1","10","8","6","3","1","1") = "9"
    & skf18("1","10","8","6","3","2","1") = "9"
    & skf18("1","10","8","6","3","3","1") = "9"
    & skf18("1","10","8","6","3","4","1") = "9"
    & skf18("1","10","8","6","3","5","1") = "9"
    & skf18("1","10","8","6","3","6","1") = "9"
    & skf18("1","10","8","6","3","7","1") = "9"
    & skf18("1","10","8","6","3","8","1") = "9"
    & skf18("1","10","8","6","3","9","1") = "9"
    & skf18("1","10","8","6","3","10","1") = "9"
    & skf18("1","10","8","6","4","1","1") = "9"
    & skf18("1","10","8","6","4","2","1") = "9"
    & skf18("1","10","8","6","4","3","1") = "9"
    & skf18("1","10","8","6","4","4","1") = "9"
    & skf18("1","10","8","6","4","5","1") = "9"
    & skf18("1","10","8","6","4","6","1") = "9"
    & skf18("1","10","8","6","4","7","1") = "9"
    & skf18("1","10","8","6","4","8","1") = "9"
    & skf18("1","10","8","6","4","9","1") = "9"
    & skf18("1","10","8","6","4","10","1") = "9"
    & skf18("1","10","8","6","5","1","1") = "9"
    & skf18("1","10","8","6","5","2","1") = "9"
    & skf18("1","10","8","6","5","3","1") = "9"
    & skf18("1","10","8","6","5","4","1") = "9"
    & skf18("1","10","8","6","5","5","1") = "9"
    & skf18("1","10","8","6","5","6","1") = "9"
    & skf18("1","10","8","6","5","7","1") = "9"
    & skf18("1","10","8","6","5","8","1") = "9"
    & skf18("1","10","8","6","5","9","1") = "9"
    & skf18("1","10","8","6","5","10","1") = "9"
    & skf18("1","10","8","6","6","1","1") = "9"
    & skf18("1","10","8","6","6","2","1") = "9"
    & skf18("1","10","8","6","6","3","1") = "9"
    & skf18("1","10","8","6","6","4","1") = "9"
    & skf18("1","10","8","6","6","5","1") = "9"
    & skf18("1","10","8","6","6","6","1") = "9"
    & skf18("1","10","8","6","6","7","1") = "9"
    & skf18("1","10","8","6","6","8","1") = "9"
    & skf18("1","10","8","6","6","9","1") = "9"
    & skf18("1","10","8","6","6","10","1") = "9"
    & skf18("1","10","8","6","7","1","1") = "9"
    & skf18("1","10","8","6","7","2","1") = "9"
    & skf18("1","10","8","6","7","3","1") = "9"
    & skf18("1","10","8","6","7","4","1") = "9"
    & skf18("1","10","8","6","7","5","1") = "9"
    & skf18("1","10","8","6","7","6","1") = "9"
    & skf18("1","10","8","6","7","7","1") = "9"
    & skf18("1","10","8","6","7","8","1") = "9"
    & skf18("1","10","8","6","7","9","1") = "9"
    & skf18("1","10","8","6","7","10","1") = "9"
    & skf18("1","10","8","6","8","1","1") = "9"
    & skf18("1","10","8","6","8","2","1") = "9"
    & skf18("1","10","8","6","8","3","1") = "9"
    & skf18("1","10","8","6","8","4","1") = "9"
    & skf18("1","10","8","6","8","5","1") = "9"
    & skf18("1","10","8","6","8","6","1") = "9"
    & skf18("1","10","8","6","8","7","1") = "9"
    & skf18("1","10","8","6","8","8","1") = "9"
    & skf18("1","10","8","6","8","9","1") = "9"
    & skf18("1","10","8","6","8","10","1") = "9"
    & skf18("1","10","8","6","9","1","1") = "9"
    & skf18("1","10","8","6","9","2","1") = "9"
    & skf18("1","10","8","6","9","3","1") = "9"
    & skf18("1","10","8","6","9","4","1") = "9"
    & skf18("1","10","8","6","9","5","1") = "9"
    & skf18("1","10","8","6","9","6","1") = "9"
    & skf18("1","10","8","6","9","7","1") = "9"
    & skf18("1","10","8","6","9","8","1") = "9"
    & skf18("1","10","8","6","9","9","1") = "9"
    & skf18("1","10","8","6","9","10","1") = "9"
    & skf18("1","10","8","6","10","1","1") = "9"
    & skf18("1","10","8","6","10","2","1") = "9"
    & skf18("1","10","8","6","10","3","1") = "9"
    & skf18("1","10","8","6","10","4","1") = "9"
    & skf18("1","10","8","6","10","5","1") = "9"
    & skf18("1","10","8","6","10","6","1") = "9"
    & skf18("1","10","8","6","10","7","1") = "9"
    & skf18("1","10","8","6","10","8","1") = "9"
    & skf18("1","10","8","6","10","9","1") = "9"
    & skf18("1","10","8","6","10","10","1") = "9"
    & skf18("1","10","8","7","1","1","1") = "9"
    & skf18("1","10","8","7","1","2","1") = "9"
    & skf18("1","10","8","7","1","3","1") = "9"
    & skf18("1","10","8","7","1","4","1") = "9"
    & skf18("1","10","8","7","1","5","1") = "9"
    & skf18("1","10","8","7","1","6","1") = "9"
    & skf18("1","10","8","7","1","7","1") = "9"
    & skf18("1","10","8","7","1","8","1") = "9"
    & skf18("1","10","8","7","1","9","1") = "9"
    & skf18("1","10","8","7","1","10","1") = "9"
    & skf18("1","10","8","7","2","1","1") = "9"
    & skf18("1","10","8","7","2","2","1") = "9"
    & skf18("1","10","8","7","2","3","1") = "9"
    & skf18("1","10","8","7","2","4","1") = "9"
    & skf18("1","10","8","7","2","5","1") = "9"
    & skf18("1","10","8","7","2","6","1") = "9"
    & skf18("1","10","8","7","2","7","1") = "9"
    & skf18("1","10","8","7","2","8","1") = "9"
    & skf18("1","10","8","7","2","9","1") = "9"
    & skf18("1","10","8","7","2","10","1") = "9"
    & skf18("1","10","8","7","3","1","1") = "9"
    & skf18("1","10","8","7","3","2","1") = "9"
    & skf18("1","10","8","7","3","3","1") = "9"
    & skf18("1","10","8","7","3","4","1") = "9"
    & skf18("1","10","8","7","3","5","1") = "9"
    & skf18("1","10","8","7","3","6","1") = "9"
    & skf18("1","10","8","7","3","7","1") = "9"
    & skf18("1","10","8","7","3","8","1") = "9"
    & skf18("1","10","8","7","3","9","1") = "9"
    & skf18("1","10","8","7","3","10","1") = "9"
    & skf18("1","10","8","7","4","1","1") = "9"
    & skf18("1","10","8","7","4","2","1") = "9"
    & skf18("1","10","8","7","4","3","1") = "9"
    & skf18("1","10","8","7","4","4","1") = "9"
    & skf18("1","10","8","7","4","5","1") = "9"
    & skf18("1","10","8","7","4","6","1") = "9"
    & skf18("1","10","8","7","4","7","1") = "9"
    & skf18("1","10","8","7","4","8","1") = "9"
    & skf18("1","10","8","7","4","9","1") = "9"
    & skf18("1","10","8","7","4","10","1") = "9"
    & skf18("1","10","8","7","5","1","1") = "9"
    & skf18("1","10","8","7","5","2","1") = "9"
    & skf18("1","10","8","7","5","3","1") = "9"
    & skf18("1","10","8","7","5","4","1") = "9"
    & skf18("1","10","8","7","5","5","1") = "9"
    & skf18("1","10","8","7","5","6","1") = "9"
    & skf18("1","10","8","7","5","7","1") = "9"
    & skf18("1","10","8","7","5","8","1") = "9"
    & skf18("1","10","8","7","5","9","1") = "9"
    & skf18("1","10","8","7","5","10","1") = "9"
    & skf18("1","10","8","7","6","1","1") = "9"
    & skf18("1","10","8","7","6","2","1") = "9"
    & skf18("1","10","8","7","6","3","1") = "9"
    & skf18("1","10","8","7","6","4","1") = "9"
    & skf18("1","10","8","7","6","5","1") = "9"
    & skf18("1","10","8","7","6","6","1") = "9"
    & skf18("1","10","8","7","6","7","1") = "9"
    & skf18("1","10","8","7","6","8","1") = "9"
    & skf18("1","10","8","7","6","9","1") = "9"
    & skf18("1","10","8","7","6","10","1") = "9"
    & skf18("1","10","8","7","7","1","1") = "9"
    & skf18("1","10","8","7","7","2","1") = "9"
    & skf18("1","10","8","7","7","3","1") = "9"
    & skf18("1","10","8","7","7","4","1") = "9"
    & skf18("1","10","8","7","7","5","1") = "9"
    & skf18("1","10","8","7","7","6","1") = "9"
    & skf18("1","10","8","7","7","7","1") = "9"
    & skf18("1","10","8","7","7","8","1") = "9"
    & skf18("1","10","8","7","7","9","1") = "9"
    & skf18("1","10","8","7","7","10","1") = "9"
    & skf18("1","10","8","7","8","1","1") = "9"
    & skf18("1","10","8","7","8","2","1") = "9"
    & skf18("1","10","8","7","8","3","1") = "9"
    & skf18("1","10","8","7","8","4","1") = "9"
    & skf18("1","10","8","7","8","5","1") = "9"
    & skf18("1","10","8","7","8","6","1") = "9"
    & skf18("1","10","8","7","8","7","1") = "9"
    & skf18("1","10","8","7","8","8","1") = "9"
    & skf18("1","10","8","7","8","9","1") = "9"
    & skf18("1","10","8","7","8","10","1") = "9"
    & skf18("1","10","8","7","9","1","1") = "9"
    & skf18("1","10","8","7","9","2","1") = "9"
    & skf18("1","10","8","7","9","3","1") = "9"
    & skf18("1","10","8","7","9","4","1") = "9"
    & skf18("1","10","8","7","9","5","1") = "9"
    & skf18("1","10","8","7","9","6","1") = "9"
    & skf18("1","10","8","7","9","7","1") = "9"
    & skf18("1","10","8","7","9","8","1") = "9"
    & skf18("1","10","8","7","9","9","1") = "9"
    & skf18("1","10","8","7","9","10","1") = "9"
    & skf18("1","10","8","7","10","1","1") = "9"
    & skf18("1","10","8","7","10","2","1") = "9"
    & skf18("1","10","8","7","10","3","1") = "9"
    & skf18("1","10","8","7","10","4","1") = "9"
    & skf18("1","10","8","7","10","5","1") = "9"
    & skf18("1","10","8","7","10","6","1") = "9"
    & skf18("1","10","8","7","10","7","1") = "9"
    & skf18("1","10","8","7","10","8","1") = "9"
    & skf18("1","10","8","7","10","9","1") = "9"
    & skf18("1","10","8","7","10","10","1") = "9"
    & skf18("1","10","8","8","1","1","1") = "9"
    & skf18("1","10","8","8","1","2","1") = "9"
    & skf18("1","10","8","8","1","3","1") = "9"
    & skf18("1","10","8","8","1","4","1") = "9"
    & skf18("1","10","8","8","1","5","1") = "9"
    & skf18("1","10","8","8","1","6","1") = "9"
    & skf18("1","10","8","8","1","7","1") = "9"
    & skf18("1","10","8","8","1","8","1") = "9"
    & skf18("1","10","8","8","1","9","1") = "9"
    & skf18("1","10","8","8","1","10","1") = "9"
    & skf18("1","10","8","8","2","1","1") = "9"
    & skf18("1","10","8","8","2","2","1") = "9"
    & skf18("1","10","8","8","2","3","1") = "9"
    & skf18("1","10","8","8","2","4","1") = "9"
    & skf18("1","10","8","8","2","5","1") = "9"
    & skf18("1","10","8","8","2","6","1") = "9"
    & skf18("1","10","8","8","2","7","1") = "9"
    & skf18("1","10","8","8","2","8","1") = "9"
    & skf18("1","10","8","8","2","9","1") = "9"
    & skf18("1","10","8","8","2","10","1") = "9"
    & skf18("1","10","8","8","3","1","1") = "9"
    & skf18("1","10","8","8","3","2","1") = "9"
    & skf18("1","10","8","8","3","3","1") = "9"
    & skf18("1","10","8","8","3","4","1") = "9"
    & skf18("1","10","8","8","3","5","1") = "9"
    & skf18("1","10","8","8","3","6","1") = "9"
    & skf18("1","10","8","8","3","7","1") = "9"
    & skf18("1","10","8","8","3","8","1") = "9"
    & skf18("1","10","8","8","3","9","1") = "9"
    & skf18("1","10","8","8","3","10","1") = "9"
    & skf18("1","10","8","8","4","1","1") = "9"
    & skf18("1","10","8","8","4","2","1") = "9"
    & skf18("1","10","8","8","4","3","1") = "9"
    & skf18("1","10","8","8","4","4","1") = "9"
    & skf18("1","10","8","8","4","5","1") = "9"
    & skf18("1","10","8","8","4","6","1") = "9"
    & skf18("1","10","8","8","4","7","1") = "9"
    & skf18("1","10","8","8","4","8","1") = "9"
    & skf18("1","10","8","8","4","9","1") = "9"
    & skf18("1","10","8","8","4","10","1") = "9"
    & skf18("1","10","8","8","5","1","1") = "9"
    & skf18("1","10","8","8","5","2","1") = "9"
    & skf18("1","10","8","8","5","3","1") = "9"
    & skf18("1","10","8","8","5","4","1") = "9"
    & skf18("1","10","8","8","5","5","1") = "9"
    & skf18("1","10","8","8","5","6","1") = "9"
    & skf18("1","10","8","8","5","7","1") = "9"
    & skf18("1","10","8","8","5","8","1") = "9"
    & skf18("1","10","8","8","5","9","1") = "9"
    & skf18("1","10","8","8","5","10","1") = "9"
    & skf18("1","10","8","8","6","1","1") = "9"
    & skf18("1","10","8","8","6","2","1") = "9"
    & skf18("1","10","8","8","6","3","1") = "9"
    & skf18("1","10","8","8","6","4","1") = "9"
    & skf18("1","10","8","8","6","5","1") = "9"
    & skf18("1","10","8","8","6","6","1") = "9"
    & skf18("1","10","8","8","6","7","1") = "9"
    & skf18("1","10","8","8","6","8","1") = "9"
    & skf18("1","10","8","8","6","9","1") = "9"
    & skf18("1","10","8","8","6","10","1") = "9"
    & skf18("1","10","8","8","7","1","1") = "9"
    & skf18("1","10","8","8","7","2","1") = "9"
    & skf18("1","10","8","8","7","3","1") = "9"
    & skf18("1","10","8","8","7","4","1") = "9"
    & skf18("1","10","8","8","7","5","1") = "9"
    & skf18("1","10","8","8","7","6","1") = "9"
    & skf18("1","10","8","8","7","7","1") = "9"
    & skf18("1","10","8","8","7","8","1") = "9"
    & skf18("1","10","8","8","7","9","1") = "9"
    & skf18("1","10","8","8","7","10","1") = "9"
    & skf18("1","10","8","8","8","1","1") = "9"
    & skf18("1","10","8","8","8","2","1") = "9"
    & skf18("1","10","8","8","8","3","1") = "9"
    & skf18("1","10","8","8","8","4","1") = "9"
    & skf18("1","10","8","8","8","5","1") = "9"
    & skf18("1","10","8","8","8","6","1") = "9"
    & skf18("1","10","8","8","8","7","1") = "9"
    & skf18("1","10","8","8","8","8","1") = "9"
    & skf18("1","10","8","8","8","9","1") = "9"
    & skf18("1","10","8","8","8","10","1") = "9"
    & skf18("1","10","8","8","9","1","1") = "9"
    & skf18("1","10","8","8","9","2","1") = "9"
    & skf18("1","10","8","8","9","3","1") = "9"
    & skf18("1","10","8","8","9","4","1") = "9"
    & skf18("1","10","8","8","9","5","1") = "9"
    & skf18("1","10","8","8","9","6","1") = "9"
    & skf18("1","10","8","8","9","7","1") = "9"
    & skf18("1","10","8","8","9","8","1") = "9"
    & skf18("1","10","8","8","9","9","1") = "9"
    & skf18("1","10","8","8","9","10","1") = "9"
    & skf18("1","10","8","8","10","1","1") = "9"
    & skf18("1","10","8","8","10","2","1") = "9"
    & skf18("1","10","8","8","10","3","1") = "9"
    & skf18("1","10","8","8","10","4","1") = "9"
    & skf18("1","10","8","8","10","5","1") = "9"
    & skf18("1","10","8","8","10","6","1") = "9"
    & skf18("1","10","8","8","10","7","1") = "9"
    & skf18("1","10","8","8","10","8","1") = "9"
    & skf18("1","10","8","8","10","9","1") = "9"
    & skf18("1","10","8","8","10","10","1") = "9"
    & skf18("1","10","8","9","1","1","1") = "9"
    & skf18("1","10","8","9","1","2","1") = "9"
    & skf18("1","10","8","9","1","3","1") = "9"
    & skf18("1","10","8","9","1","4","1") = "9"
    & skf18("1","10","8","9","1","5","1") = "9"
    & skf18("1","10","8","9","1","6","1") = "9"
    & skf18("1","10","8","9","1","7","1") = "9"
    & skf18("1","10","8","9","1","8","1") = "9"
    & skf18("1","10","8","9","1","9","1") = "9"
    & skf18("1","10","8","9","1","10","1") = "9"
    & skf18("1","10","8","9","2","1","1") = "9"
    & skf18("1","10","8","9","2","2","1") = "9"
    & skf18("1","10","8","9","2","3","1") = "9"
    & skf18("1","10","8","9","2","4","1") = "9"
    & skf18("1","10","8","9","2","5","1") = "9"
    & skf18("1","10","8","9","2","6","1") = "9"
    & skf18("1","10","8","9","2","7","1") = "9"
    & skf18("1","10","8","9","2","8","1") = "9"
    & skf18("1","10","8","9","2","9","1") = "9"
    & skf18("1","10","8","9","2","10","1") = "9"
    & skf18("1","10","8","9","3","1","1") = "9"
    & skf18("1","10","8","9","3","2","1") = "9"
    & skf18("1","10","8","9","3","3","1") = "9"
    & skf18("1","10","8","9","3","4","1") = "9"
    & skf18("1","10","8","9","3","5","1") = "9"
    & skf18("1","10","8","9","3","6","1") = "9"
    & skf18("1","10","8","9","3","7","1") = "9"
    & skf18("1","10","8","9","3","8","1") = "9"
    & skf18("1","10","8","9","3","9","1") = "9"
    & skf18("1","10","8","9","3","10","1") = "9"
    & skf18("1","10","8","9","4","1","1") = "9"
    & skf18("1","10","8","9","4","2","1") = "9"
    & skf18("1","10","8","9","4","3","1") = "9"
    & skf18("1","10","8","9","4","4","1") = "9"
    & skf18("1","10","8","9","4","5","1") = "9"
    & skf18("1","10","8","9","4","6","1") = "9"
    & skf18("1","10","8","9","4","7","1") = "9"
    & skf18("1","10","8","9","4","8","1") = "9"
    & skf18("1","10","8","9","4","9","1") = "9"
    & skf18("1","10","8","9","4","10","1") = "9"
    & skf18("1","10","8","9","5","1","1") = "9"
    & skf18("1","10","8","9","5","2","1") = "9"
    & skf18("1","10","8","9","5","3","1") = "9"
    & skf18("1","10","8","9","5","4","1") = "9"
    & skf18("1","10","8","9","5","5","1") = "9"
    & skf18("1","10","8","9","5","6","1") = "9"
    & skf18("1","10","8","9","5","7","1") = "9"
    & skf18("1","10","8","9","5","8","1") = "9"
    & skf18("1","10","8","9","5","9","1") = "9"
    & skf18("1","10","8","9","5","10","1") = "9"
    & skf18("1","10","8","9","6","1","1") = "9"
    & skf18("1","10","8","9","6","2","1") = "9"
    & skf18("1","10","8","9","6","3","1") = "9"
    & skf18("1","10","8","9","6","4","1") = "9"
    & skf18("1","10","8","9","6","5","1") = "9"
    & skf18("1","10","8","9","6","6","1") = "9"
    & skf18("1","10","8","9","6","7","1") = "9"
    & skf18("1","10","8","9","6","8","1") = "9"
    & skf18("1","10","8","9","6","9","1") = "9"
    & skf18("1","10","8","9","6","10","1") = "9"
    & skf18("1","10","8","9","7","1","1") = "9"
    & skf18("1","10","8","9","7","2","1") = "9"
    & skf18("1","10","8","9","7","3","1") = "9"
    & skf18("1","10","8","9","7","4","1") = "9"
    & skf18("1","10","8","9","7","5","1") = "9"
    & skf18("1","10","8","9","7","6","1") = "9"
    & skf18("1","10","8","9","7","7","1") = "9"
    & skf18("1","10","8","9","7","8","1") = "9"
    & skf18("1","10","8","9","7","9","1") = "9"
    & skf18("1","10","8","9","7","10","1") = "9"
    & skf18("1","10","8","9","8","1","1") = "9"
    & skf18("1","10","8","9","8","2","1") = "9"
    & skf18("1","10","8","9","8","3","1") = "9"
    & skf18("1","10","8","9","8","4","1") = "9"
    & skf18("1","10","8","9","8","5","1") = "9"
    & skf18("1","10","8","9","8","6","1") = "9"
    & skf18("1","10","8","9","8","7","1") = "9"
    & skf18("1","10","8","9","8","8","1") = "9"
    & skf18("1","10","8","9","8","9","1") = "9"
    & skf18("1","10","8","9","8","10","1") = "9"
    & skf18("1","10","8","9","9","1","1") = "9"
    & skf18("1","10","8","9","9","2","1") = "9"
    & skf18("1","10","8","9","9","3","1") = "9"
    & skf18("1","10","8","9","9","4","1") = "9"
    & skf18("1","10","8","9","9","5","1") = "9"
    & skf18("1","10","8","9","9","6","1") = "9"
    & skf18("1","10","8","9","9","7","1") = "9"
    & skf18("1","10","8","9","9","8","1") = "9"
    & skf18("1","10","8","9","9","9","1") = "9"
    & skf18("1","10","8","9","9","10","1") = "9"
    & skf18("1","10","8","9","10","1","1") = "9"
    & skf18("1","10","8","9","10","2","1") = "9"
    & skf18("1","10","8","9","10","3","1") = "9"
    & skf18("1","10","8","9","10","4","1") = "9"
    & skf18("1","10","8","9","10","5","1") = "9"
    & skf18("1","10","8","9","10","6","1") = "9"
    & skf18("1","10","8","9","10","7","1") = "9"
    & skf18("1","10","8","9","10","8","1") = "9"
    & skf18("1","10","8","9","10","9","1") = "9"
    & skf18("1","10","8","9","10","10","1") = "9"
    & skf18("1","10","8","10","1","1","1") = "9"
    & skf18("1","10","8","10","1","2","1") = "9"
    & skf18("1","10","8","10","1","3","1") = "9"
    & skf18("1","10","8","10","1","4","1") = "9"
    & skf18("1","10","8","10","1","5","1") = "9"
    & skf18("1","10","8","10","1","6","1") = "9"
    & skf18("1","10","8","10","1","7","1") = "9"
    & skf18("1","10","8","10","1","8","1") = "9"
    & skf18("1","10","8","10","1","9","1") = "9"
    & skf18("1","10","8","10","1","10","1") = "9"
    & skf18("1","10","8","10","2","1","1") = "9"
    & skf18("1","10","8","10","2","2","1") = "9"
    & skf18("1","10","8","10","2","3","1") = "9"
    & skf18("1","10","8","10","2","4","1") = "9"
    & skf18("1","10","8","10","2","5","1") = "9"
    & skf18("1","10","8","10","2","6","1") = "9"
    & skf18("1","10","8","10","2","7","1") = "9"
    & skf18("1","10","8","10","2","8","1") = "9"
    & skf18("1","10","8","10","2","9","1") = "9"
    & skf18("1","10","8","10","2","10","1") = "9"
    & skf18("1","10","8","10","3","1","1") = "9"
    & skf18("1","10","8","10","3","2","1") = "9"
    & skf18("1","10","8","10","3","3","1") = "9"
    & skf18("1","10","8","10","3","4","1") = "9"
    & skf18("1","10","8","10","3","5","1") = "9"
    & skf18("1","10","8","10","3","6","1") = "9"
    & skf18("1","10","8","10","3","7","1") = "9"
    & skf18("1","10","8","10","3","8","1") = "9"
    & skf18("1","10","8","10","3","9","1") = "9"
    & skf18("1","10","8","10","3","10","1") = "9"
    & skf18("1","10","8","10","4","1","1") = "9"
    & skf18("1","10","8","10","4","2","1") = "9"
    & skf18("1","10","8","10","4","3","1") = "9"
    & skf18("1","10","8","10","4","4","1") = "9"
    & skf18("1","10","8","10","4","5","1") = "9"
    & skf18("1","10","8","10","4","6","1") = "9"
    & skf18("1","10","8","10","4","7","1") = "9"
    & skf18("1","10","8","10","4","8","1") = "9"
    & skf18("1","10","8","10","4","9","1") = "9"
    & skf18("1","10","8","10","4","10","1") = "9"
    & skf18("1","10","8","10","5","1","1") = "9"
    & skf18("1","10","8","10","5","2","1") = "9"
    & skf18("1","10","8","10","5","3","1") = "9"
    & skf18("1","10","8","10","5","4","1") = "9"
    & skf18("1","10","8","10","5","5","1") = "9"
    & skf18("1","10","8","10","5","6","1") = "9"
    & skf18("1","10","8","10","5","7","1") = "9"
    & skf18("1","10","8","10","5","8","1") = "9"
    & skf18("1","10","8","10","5","9","1") = "9"
    & skf18("1","10","8","10","5","10","1") = "9"
    & skf18("1","10","8","10","6","1","1") = "9"
    & skf18("1","10","8","10","6","2","1") = "9"
    & skf18("1","10","8","10","6","3","1") = "9"
    & skf18("1","10","8","10","6","4","1") = "9"
    & skf18("1","10","8","10","6","5","1") = "9"
    & skf18("1","10","8","10","6","6","1") = "9"
    & skf18("1","10","8","10","6","7","1") = "9"
    & skf18("1","10","8","10","6","8","1") = "9"
    & skf18("1","10","8","10","6","9","1") = "9"
    & skf18("1","10","8","10","6","10","1") = "9"
    & skf18("1","10","8","10","7","1","1") = "9"
    & skf18("1","10","8","10","7","2","1") = "9"
    & skf18("1","10","8","10","7","3","1") = "9"
    & skf18("1","10","8","10","7","4","1") = "9"
    & skf18("1","10","8","10","7","5","1") = "9"
    & skf18("1","10","8","10","7","6","1") = "9"
    & skf18("1","10","8","10","7","7","1") = "9"
    & skf18("1","10","8","10","7","8","1") = "9"
    & skf18("1","10","8","10","7","9","1") = "9"
    & skf18("1","10","8","10","7","10","1") = "9"
    & skf18("1","10","8","10","8","1","1") = "9"
    & skf18("1","10","8","10","8","2","1") = "9"
    & skf18("1","10","8","10","8","3","1") = "9"
    & skf18("1","10","8","10","8","4","1") = "9"
    & skf18("1","10","8","10","8","5","1") = "9"
    & skf18("1","10","8","10","8","6","1") = "9"
    & skf18("1","10","8","10","8","7","1") = "9"
    & skf18("1","10","8","10","8","8","1") = "9"
    & skf18("1","10","8","10","8","9","1") = "9"
    & skf18("1","10","8","10","8","10","1") = "9"
    & skf18("1","10","8","10","9","1","1") = "9"
    & skf18("1","10","8","10","9","2","1") = "9"
    & skf18("1","10","8","10","9","3","1") = "9"
    & skf18("1","10","8","10","9","4","1") = "9"
    & skf18("1","10","8","10","9","5","1") = "9"
    & skf18("1","10","8","10","9","6","1") = "9"
    & skf18("1","10","8","10","9","7","1") = "9"
    & skf18("1","10","8","10","9","8","1") = "9"
    & skf18("1","10","8","10","9","9","1") = "9"
    & skf18("1","10","8","10","9","10","1") = "9"
    & skf18("1","10","8","10","10","1","1") = "9"
    & skf18("1","10","8","10","10","2","1") = "9"
    & skf18("1","10","8","10","10","3","1") = "9"
    & skf18("1","10","8","10","10","4","1") = "9"
    & skf18("1","10","8","10","10","5","1") = "9"
    & skf18("1","10","8","10","10","6","1") = "9"
    & skf18("1","10","8","10","10","7","1") = "9"
    & skf18("1","10","8","10","10","8","1") = "9"
    & skf18("1","10","8","10","10","9","1") = "9"
    & skf18("1","10","8","10","10","10","1") = "9"
    & skf18("1","10","9","1","1","1","1") = "9"
    & skf18("1","10","9","1","1","2","1") = "9"
    & skf18("1","10","9","1","1","3","1") = "9"
    & skf18("1","10","9","1","1","4","1") = "9"
    & skf18("1","10","9","1","1","5","1") = "9"
    & skf18("1","10","9","1","1","6","1") = "9"
    & skf18("1","10","9","1","1","7","1") = "9"
    & skf18("1","10","9","1","1","8","1") = "9"
    & skf18("1","10","9","1","1","9","1") = "9"
    & skf18("1","10","9","1","1","10","1") = "9"
    & skf18("1","10","9","1","2","1","1") = "9"
    & skf18("1","10","9","1","2","2","1") = "9"
    & skf18("1","10","9","1","2","3","1") = "9"
    & skf18("1","10","9","1","2","4","1") = "9"
    & skf18("1","10","9","1","2","5","1") = "9"
    & skf18("1","10","9","1","2","6","1") = "9"
    & skf18("1","10","9","1","2","7","1") = "9"
    & skf18("1","10","9","1","2","8","1") = "9"
    & skf18("1","10","9","1","2","9","1") = "9"
    & skf18("1","10","9","1","2","10","1") = "9"
    & skf18("1","10","9","1","3","1","1") = "9"
    & skf18("1","10","9","1","3","2","1") = "9"
    & skf18("1","10","9","1","3","3","1") = "9"
    & skf18("1","10","9","1","3","4","1") = "9"
    & skf18("1","10","9","1","3","5","1") = "9"
    & skf18("1","10","9","1","3","6","1") = "9"
    & skf18("1","10","9","1","3","7","1") = "9"
    & skf18("1","10","9","1","3","8","1") = "9"
    & skf18("1","10","9","1","3","9","1") = "9"
    & skf18("1","10","9","1","3","10","1") = "9"
    & skf18("1","10","9","1","4","1","1") = "9"
    & skf18("1","10","9","1","4","2","1") = "9"
    & skf18("1","10","9","1","4","3","1") = "9"
    & skf18("1","10","9","1","4","4","1") = "9"
    & skf18("1","10","9","1","4","5","1") = "9"
    & skf18("1","10","9","1","4","6","1") = "9"
    & skf18("1","10","9","1","4","7","1") = "9"
    & skf18("1","10","9","1","4","8","1") = "9"
    & skf18("1","10","9","1","4","9","1") = "9"
    & skf18("1","10","9","1","4","10","1") = "9"
    & skf18("1","10","9","1","5","1","1") = "9"
    & skf18("1","10","9","1","5","2","1") = "9"
    & skf18("1","10","9","1","5","3","1") = "9"
    & skf18("1","10","9","1","5","4","1") = "9"
    & skf18("1","10","9","1","5","5","1") = "9"
    & skf18("1","10","9","1","5","6","1") = "9"
    & skf18("1","10","9","1","5","7","1") = "9"
    & skf18("1","10","9","1","5","8","1") = "9"
    & skf18("1","10","9","1","5","9","1") = "9"
    & skf18("1","10","9","1","5","10","1") = "9"
    & skf18("1","10","9","1","6","1","1") = "9"
    & skf18("1","10","9","1","6","2","1") = "9"
    & skf18("1","10","9","1","6","3","1") = "9"
    & skf18("1","10","9","1","6","4","1") = "9"
    & skf18("1","10","9","1","6","5","1") = "9"
    & skf18("1","10","9","1","6","6","1") = "9"
    & skf18("1","10","9","1","6","7","1") = "9"
    & skf18("1","10","9","1","6","8","1") = "9"
    & skf18("1","10","9","1","6","9","1") = "9"
    & skf18("1","10","9","1","6","10","1") = "9"
    & skf18("1","10","9","1","7","1","1") = "9"
    & skf18("1","10","9","1","7","2","1") = "9"
    & skf18("1","10","9","1","7","3","1") = "9"
    & skf18("1","10","9","1","7","4","1") = "9"
    & skf18("1","10","9","1","7","5","1") = "9"
    & skf18("1","10","9","1","7","6","1") = "9"
    & skf18("1","10","9","1","7","7","1") = "9"
    & skf18("1","10","9","1","7","8","1") = "9"
    & skf18("1","10","9","1","7","9","1") = "9"
    & skf18("1","10","9","1","7","10","1") = "9"
    & skf18("1","10","9","1","8","1","1") = "9"
    & skf18("1","10","9","1","8","2","1") = "9"
    & skf18("1","10","9","1","8","3","1") = "9"
    & skf18("1","10","9","1","8","4","1") = "9"
    & skf18("1","10","9","1","8","5","1") = "9"
    & skf18("1","10","9","1","8","6","1") = "9"
    & skf18("1","10","9","1","8","7","1") = "9"
    & skf18("1","10","9","1","8","8","1") = "9"
    & skf18("1","10","9","1","8","9","1") = "9"
    & skf18("1","10","9","1","8","10","1") = "9"
    & skf18("1","10","9","1","9","1","1") = "9"
    & skf18("1","10","9","1","9","2","1") = "9"
    & skf18("1","10","9","1","9","3","1") = "9"
    & skf18("1","10","9","1","9","4","1") = "9"
    & skf18("1","10","9","1","9","5","1") = "9"
    & skf18("1","10","9","1","9","6","1") = "9"
    & skf18("1","10","9","1","9","7","1") = "9"
    & skf18("1","10","9","1","9","8","1") = "9"
    & skf18("1","10","9","1","9","9","1") = "9"
    & skf18("1","10","9","1","9","10","1") = "9"
    & skf18("1","10","9","1","10","1","1") = "9"
    & skf18("1","10","9","1","10","2","1") = "9"
    & skf18("1","10","9","1","10","3","1") = "9"
    & skf18("1","10","9","1","10","4","1") = "9"
    & skf18("1","10","9","1","10","5","1") = "9"
    & skf18("1","10","9","1","10","6","1") = "9"
    & skf18("1","10","9","1","10","7","1") = "9"
    & skf18("1","10","9","1","10","8","1") = "9"
    & skf18("1","10","9","1","10","9","1") = "9"
    & skf18("1","10","9","1","10","10","1") = "9"
    & skf18("1","10","9","2","1","1","1") = "9"
    & skf18("1","10","9","2","1","2","1") = "9"
    & skf18("1","10","9","2","1","3","1") = "9"
    & skf18("1","10","9","2","1","4","1") = "9"
    & skf18("1","10","9","2","1","5","1") = "9"
    & skf18("1","10","9","2","1","6","1") = "9"
    & skf18("1","10","9","2","1","7","1") = "9"
    & skf18("1","10","9","2","1","8","1") = "9"
    & skf18("1","10","9","2","1","9","1") = "9"
    & skf18("1","10","9","2","1","10","1") = "9"
    & skf18("1","10","9","2","2","1","1") = "9"
    & skf18("1","10","9","2","2","2","1") = "9"
    & skf18("1","10","9","2","2","3","1") = "9"
    & skf18("1","10","9","2","2","4","1") = "9"
    & skf18("1","10","9","2","2","5","1") = "9"
    & skf18("1","10","9","2","2","6","1") = "9"
    & skf18("1","10","9","2","2","7","1") = "9"
    & skf18("1","10","9","2","2","8","1") = "9"
    & skf18("1","10","9","2","2","9","1") = "9"
    & skf18("1","10","9","2","2","10","1") = "9"
    & skf18("1","10","9","2","3","1","1") = "9"
    & skf18("1","10","9","2","3","2","1") = "9"
    & skf18("1","10","9","2","3","3","1") = "9"
    & skf18("1","10","9","2","3","4","1") = "9"
    & skf18("1","10","9","2","3","5","1") = "9"
    & skf18("1","10","9","2","3","6","1") = "9"
    & skf18("1","10","9","2","3","7","1") = "9"
    & skf18("1","10","9","2","3","8","1") = "9"
    & skf18("1","10","9","2","3","9","1") = "9"
    & skf18("1","10","9","2","3","10","1") = "9"
    & skf18("1","10","9","2","4","1","1") = "9"
    & skf18("1","10","9","2","4","2","1") = "9"
    & skf18("1","10","9","2","4","3","1") = "9"
    & skf18("1","10","9","2","4","4","1") = "9"
    & skf18("1","10","9","2","4","5","1") = "9"
    & skf18("1","10","9","2","4","6","1") = "9"
    & skf18("1","10","9","2","4","7","1") = "9"
    & skf18("1","10","9","2","4","8","1") = "9"
    & skf18("1","10","9","2","4","9","1") = "9"
    & skf18("1","10","9","2","4","10","1") = "9"
    & skf18("1","10","9","2","5","1","1") = "9"
    & skf18("1","10","9","2","5","2","1") = "9"
    & skf18("1","10","9","2","5","3","1") = "9"
    & skf18("1","10","9","2","5","4","1") = "9"
    & skf18("1","10","9","2","5","5","1") = "9"
    & skf18("1","10","9","2","5","6","1") = "9"
    & skf18("1","10","9","2","5","7","1") = "9"
    & skf18("1","10","9","2","5","8","1") = "9"
    & skf18("1","10","9","2","5","9","1") = "9"
    & skf18("1","10","9","2","5","10","1") = "9"
    & skf18("1","10","9","2","6","1","1") = "9"
    & skf18("1","10","9","2","6","2","1") = "9"
    & skf18("1","10","9","2","6","3","1") = "9"
    & skf18("1","10","9","2","6","4","1") = "9"
    & skf18("1","10","9","2","6","5","1") = "9"
    & skf18("1","10","9","2","6","6","1") = "9"
    & skf18("1","10","9","2","6","7","1") = "9"
    & skf18("1","10","9","2","6","8","1") = "9"
    & skf18("1","10","9","2","6","9","1") = "9"
    & skf18("1","10","9","2","6","10","1") = "9"
    & skf18("1","10","9","2","7","1","1") = "9"
    & skf18("1","10","9","2","7","2","1") = "9"
    & skf18("1","10","9","2","7","3","1") = "9"
    & skf18("1","10","9","2","7","4","1") = "9"
    & skf18("1","10","9","2","7","5","1") = "9"
    & skf18("1","10","9","2","7","6","1") = "9"
    & skf18("1","10","9","2","7","7","1") = "9"
    & skf18("1","10","9","2","7","8","1") = "9"
    & skf18("1","10","9","2","7","9","1") = "9"
    & skf18("1","10","9","2","7","10","1") = "9"
    & skf18("1","10","9","2","8","1","1") = "9"
    & skf18("1","10","9","2","8","2","1") = "9"
    & skf18("1","10","9","2","8","3","1") = "9"
    & skf18("1","10","9","2","8","4","1") = "9"
    & skf18("1","10","9","2","8","5","1") = "9"
    & skf18("1","10","9","2","8","6","1") = "9"
    & skf18("1","10","9","2","8","7","1") = "9"
    & skf18("1","10","9","2","8","8","1") = "9"
    & skf18("1","10","9","2","8","9","1") = "9"
    & skf18("1","10","9","2","8","10","1") = "9"
    & skf18("1","10","9","2","9","1","1") = "9"
    & skf18("1","10","9","2","9","2","1") = "9"
    & skf18("1","10","9","2","9","3","1") = "9"
    & skf18("1","10","9","2","9","4","1") = "9"
    & skf18("1","10","9","2","9","5","1") = "9"
    & skf18("1","10","9","2","9","6","1") = "9"
    & skf18("1","10","9","2","9","7","1") = "9"
    & skf18("1","10","9","2","9","8","1") = "9"
    & skf18("1","10","9","2","9","9","1") = "9"
    & skf18("1","10","9","2","9","10","1") = "9"
    & skf18("1","10","9","2","10","1","1") = "9"
    & skf18("1","10","9","2","10","2","1") = "9"
    & skf18("1","10","9","2","10","3","1") = "9"
    & skf18("1","10","9","2","10","4","1") = "9"
    & skf18("1","10","9","2","10","5","1") = "9"
    & skf18("1","10","9","2","10","6","1") = "9"
    & skf18("1","10","9","2","10","7","1") = "9"
    & skf18("1","10","9","2","10","8","1") = "9"
    & skf18("1","10","9","2","10","9","1") = "9"
    & skf18("1","10","9","2","10","10","1") = "9"
    & skf18("1","10","9","3","1","1","1") = "9"
    & skf18("1","10","9","3","1","2","1") = "9"
    & skf18("1","10","9","3","1","3","1") = "9"
    & skf18("1","10","9","3","1","4","1") = "9"
    & skf18("1","10","9","3","1","5","1") = "9"
    & skf18("1","10","9","3","1","6","1") = "9"
    & skf18("1","10","9","3","1","7","1") = "9"
    & skf18("1","10","9","3","1","8","1") = "9"
    & skf18("1","10","9","3","1","9","1") = "9"
    & skf18("1","10","9","3","1","10","1") = "9"
    & skf18("1","10","9","3","2","1","1") = "9"
    & skf18("1","10","9","3","2","2","1") = "9"
    & skf18("1","10","9","3","2","3","1") = "9"
    & skf18("1","10","9","3","2","4","1") = "9"
    & skf18("1","10","9","3","2","5","1") = "9"
    & skf18("1","10","9","3","2","6","1") = "9"
    & skf18("1","10","9","3","2","7","1") = "9"
    & skf18("1","10","9","3","2","8","1") = "9"
    & skf18("1","10","9","3","2","9","1") = "9"
    & skf18("1","10","9","3","2","10","1") = "9"
    & skf18("1","10","9","3","3","1","1") = "9"
    & skf18("1","10","9","3","3","2","1") = "9"
    & skf18("1","10","9","3","3","3","1") = "9"
    & skf18("1","10","9","3","3","4","1") = "9"
    & skf18("1","10","9","3","3","5","1") = "9"
    & skf18("1","10","9","3","3","6","1") = "9"
    & skf18("1","10","9","3","3","7","1") = "9"
    & skf18("1","10","9","3","3","8","1") = "9"
    & skf18("1","10","9","3","3","9","1") = "9"
    & skf18("1","10","9","3","3","10","1") = "9"
    & skf18("1","10","9","3","4","1","1") = "9"
    & skf18("1","10","9","3","4","2","1") = "9"
    & skf18("1","10","9","3","4","3","1") = "9"
    & skf18("1","10","9","3","4","4","1") = "9"
    & skf18("1","10","9","3","4","5","1") = "9"
    & skf18("1","10","9","3","4","6","1") = "9"
    & skf18("1","10","9","3","4","7","1") = "9"
    & skf18("1","10","9","3","4","8","1") = "9"
    & skf18("1","10","9","3","4","9","1") = "9"
    & skf18("1","10","9","3","4","10","1") = "9"
    & skf18("1","10","9","3","5","1","1") = "9"
    & skf18("1","10","9","3","5","2","1") = "9"
    & skf18("1","10","9","3","5","3","1") = "9"
    & skf18("1","10","9","3","5","4","1") = "9"
    & skf18("1","10","9","3","5","5","1") = "9"
    & skf18("1","10","9","3","5","6","1") = "9"
    & skf18("1","10","9","3","5","7","1") = "9"
    & skf18("1","10","9","3","5","8","1") = "9"
    & skf18("1","10","9","3","5","9","1") = "9"
    & skf18("1","10","9","3","5","10","1") = "9"
    & skf18("1","10","9","3","6","1","1") = "9"
    & skf18("1","10","9","3","6","2","1") = "9"
    & skf18("1","10","9","3","6","3","1") = "9"
    & skf18("1","10","9","3","6","4","1") = "9"
    & skf18("1","10","9","3","6","5","1") = "9"
    & skf18("1","10","9","3","6","6","1") = "9"
    & skf18("1","10","9","3","6","7","1") = "9"
    & skf18("1","10","9","3","6","8","1") = "9"
    & skf18("1","10","9","3","6","9","1") = "9"
    & skf18("1","10","9","3","6","10","1") = "9"
    & skf18("1","10","9","3","7","1","1") = "9"
    & skf18("1","10","9","3","7","2","1") = "9"
    & skf18("1","10","9","3","7","3","1") = "9"
    & skf18("1","10","9","3","7","4","1") = "9"
    & skf18("1","10","9","3","7","5","1") = "9"
    & skf18("1","10","9","3","7","6","1") = "9"
    & skf18("1","10","9","3","7","7","1") = "9"
    & skf18("1","10","9","3","7","8","1") = "9"
    & skf18("1","10","9","3","7","9","1") = "9"
    & skf18("1","10","9","3","7","10","1") = "9"
    & skf18("1","10","9","3","8","1","1") = "9"
    & skf18("1","10","9","3","8","2","1") = "9"
    & skf18("1","10","9","3","8","3","1") = "9"
    & skf18("1","10","9","3","8","4","1") = "9"
    & skf18("1","10","9","3","8","5","1") = "9"
    & skf18("1","10","9","3","8","6","1") = "9"
    & skf18("1","10","9","3","8","7","1") = "9"
    & skf18("1","10","9","3","8","8","1") = "9"
    & skf18("1","10","9","3","8","9","1") = "9"
    & skf18("1","10","9","3","8","10","1") = "9"
    & skf18("1","10","9","3","9","1","1") = "9"
    & skf18("1","10","9","3","9","2","1") = "9"
    & skf18("1","10","9","3","9","3","1") = "9"
    & skf18("1","10","9","3","9","4","1") = "9"
    & skf18("1","10","9","3","9","5","1") = "9"
    & skf18("1","10","9","3","9","6","1") = "9"
    & skf18("1","10","9","3","9","7","1") = "9"
    & skf18("1","10","9","3","9","8","1") = "9"
    & skf18("1","10","9","3","9","9","1") = "9"
    & skf18("1","10","9","3","9","10","1") = "9"
    & skf18("1","10","9","3","10","1","1") = "9"
    & skf18("1","10","9","3","10","2","1") = "9"
    & skf18("1","10","9","3","10","3","1") = "9"
    & skf18("1","10","9","3","10","4","1") = "9"
    & skf18("1","10","9","3","10","5","1") = "9"
    & skf18("1","10","9","3","10","6","1") = "9"
    & skf18("1","10","9","3","10","7","1") = "9"
    & skf18("1","10","9","3","10","8","1") = "9"
    & skf18("1","10","9","3","10","9","1") = "9"
    & skf18("1","10","9","3","10","10","1") = "9"
    & skf18("1","10","9","4","1","1","1") = "9"
    & skf18("1","10","9","4","1","2","1") = "9"
    & skf18("1","10","9","4","1","3","1") = "9"
    & skf18("1","10","9","4","1","4","1") = "9"
    & skf18("1","10","9","4","1","5","1") = "9"
    & skf18("1","10","9","4","1","6","1") = "9"
    & skf18("1","10","9","4","1","7","1") = "9"
    & skf18("1","10","9","4","1","8","1") = "9"
    & skf18("1","10","9","4","1","9","1") = "9"
    & skf18("1","10","9","4","1","10","1") = "9"
    & skf18("1","10","9","4","2","1","1") = "9"
    & skf18("1","10","9","4","2","2","1") = "9"
    & skf18("1","10","9","4","2","3","1") = "9"
    & skf18("1","10","9","4","2","4","1") = "9"
    & skf18("1","10","9","4","2","5","1") = "9"
    & skf18("1","10","9","4","2","6","1") = "9"
    & skf18("1","10","9","4","2","7","1") = "9"
    & skf18("1","10","9","4","2","8","1") = "9"
    & skf18("1","10","9","4","2","9","1") = "9"
    & skf18("1","10","9","4","2","10","1") = "9"
    & skf18("1","10","9","4","3","1","1") = "9"
    & skf18("1","10","9","4","3","2","1") = "9"
    & skf18("1","10","9","4","3","3","1") = "9"
    & skf18("1","10","9","4","3","4","1") = "9"
    & skf18("1","10","9","4","3","5","1") = "9"
    & skf18("1","10","9","4","3","6","1") = "9"
    & skf18("1","10","9","4","3","7","1") = "9"
    & skf18("1","10","9","4","3","8","1") = "9"
    & skf18("1","10","9","4","3","9","1") = "9"
    & skf18("1","10","9","4","3","10","1") = "9"
    & skf18("1","10","9","4","4","1","1") = "9"
    & skf18("1","10","9","4","4","2","1") = "9"
    & skf18("1","10","9","4","4","3","1") = "9"
    & skf18("1","10","9","4","4","4","1") = "9"
    & skf18("1","10","9","4","4","5","1") = "9"
    & skf18("1","10","9","4","4","6","1") = "9"
    & skf18("1","10","9","4","4","7","1") = "9"
    & skf18("1","10","9","4","4","8","1") = "9"
    & skf18("1","10","9","4","4","9","1") = "9"
    & skf18("1","10","9","4","4","10","1") = "9"
    & skf18("1","10","9","4","5","1","1") = "9"
    & skf18("1","10","9","4","5","2","1") = "9"
    & skf18("1","10","9","4","5","3","1") = "9"
    & skf18("1","10","9","4","5","4","1") = "9"
    & skf18("1","10","9","4","5","5","1") = "9"
    & skf18("1","10","9","4","5","6","1") = "9"
    & skf18("1","10","9","4","5","7","1") = "9"
    & skf18("1","10","9","4","5","8","1") = "9"
    & skf18("1","10","9","4","5","9","1") = "9"
    & skf18("1","10","9","4","5","10","1") = "9"
    & skf18("1","10","9","4","6","1","1") = "9"
    & skf18("1","10","9","4","6","2","1") = "9"
    & skf18("1","10","9","4","6","3","1") = "9"
    & skf18("1","10","9","4","6","4","1") = "9"
    & skf18("1","10","9","4","6","5","1") = "9"
    & skf18("1","10","9","4","6","6","1") = "9"
    & skf18("1","10","9","4","6","7","1") = "9"
    & skf18("1","10","9","4","6","8","1") = "9"
    & skf18("1","10","9","4","6","9","1") = "9"
    & skf18("1","10","9","4","6","10","1") = "9"
    & skf18("1","10","9","4","7","1","1") = "9"
    & skf18("1","10","9","4","7","2","1") = "9"
    & skf18("1","10","9","4","7","3","1") = "9"
    & skf18("1","10","9","4","7","4","1") = "9"
    & skf18("1","10","9","4","7","5","1") = "9"
    & skf18("1","10","9","4","7","6","1") = "9"
    & skf18("1","10","9","4","7","7","1") = "9"
    & skf18("1","10","9","4","7","8","1") = "9"
    & skf18("1","10","9","4","7","9","1") = "9"
    & skf18("1","10","9","4","7","10","1") = "9"
    & skf18("1","10","9","4","8","1","1") = "9"
    & skf18("1","10","9","4","8","2","1") = "9"
    & skf18("1","10","9","4","8","3","1") = "9"
    & skf18("1","10","9","4","8","4","1") = "9"
    & skf18("1","10","9","4","8","5","1") = "9"
    & skf18("1","10","9","4","8","6","1") = "9"
    & skf18("1","10","9","4","8","7","1") = "9"
    & skf18("1","10","9","4","8","8","1") = "9"
    & skf18("1","10","9","4","8","9","1") = "9"
    & skf18("1","10","9","4","8","10","1") = "9"
    & skf18("1","10","9","4","9","1","1") = "9"
    & skf18("1","10","9","4","9","2","1") = "9"
    & skf18("1","10","9","4","9","3","1") = "9"
    & skf18("1","10","9","4","9","4","1") = "9"
    & skf18("1","10","9","4","9","5","1") = "9"
    & skf18("1","10","9","4","9","6","1") = "9"
    & skf18("1","10","9","4","9","7","1") = "9"
    & skf18("1","10","9","4","9","8","1") = "9"
    & skf18("1","10","9","4","9","9","1") = "9"
    & skf18("1","10","9","4","9","10","1") = "9"
    & skf18("1","10","9","4","10","1","1") = "9"
    & skf18("1","10","9","4","10","2","1") = "9"
    & skf18("1","10","9","4","10","3","1") = "9"
    & skf18("1","10","9","4","10","4","1") = "9"
    & skf18("1","10","9","4","10","5","1") = "9"
    & skf18("1","10","9","4","10","6","1") = "9"
    & skf18("1","10","9","4","10","7","1") = "9"
    & skf18("1","10","9","4","10","8","1") = "9"
    & skf18("1","10","9","4","10","9","1") = "9"
    & skf18("1","10","9","4","10","10","1") = "9"
    & skf18("1","10","9","5","1","1","1") = "9"
    & skf18("1","10","9","5","1","2","1") = "9"
    & skf18("1","10","9","5","1","3","1") = "9"
    & skf18("1","10","9","5","1","4","1") = "9"
    & skf18("1","10","9","5","1","5","1") = "9"
    & skf18("1","10","9","5","1","6","1") = "9"
    & skf18("1","10","9","5","1","7","1") = "9"
    & skf18("1","10","9","5","1","8","1") = "9"
    & skf18("1","10","9","5","1","9","1") = "9"
    & skf18("1","10","9","5","1","10","1") = "9"
    & skf18("1","10","9","5","2","1","1") = "9"
    & skf18("1","10","9","5","2","2","1") = "9"
    & skf18("1","10","9","5","2","3","1") = "9"
    & skf18("1","10","9","5","2","4","1") = "9"
    & skf18("1","10","9","5","2","5","1") = "9"
    & skf18("1","10","9","5","2","6","1") = "9"
    & skf18("1","10","9","5","2","7","1") = "9"
    & skf18("1","10","9","5","2","8","1") = "9"
    & skf18("1","10","9","5","2","9","1") = "9"
    & skf18("1","10","9","5","2","10","1") = "9"
    & skf18("1","10","9","5","3","1","1") = "9"
    & skf18("1","10","9","5","3","2","1") = "9"
    & skf18("1","10","9","5","3","3","1") = "9"
    & skf18("1","10","9","5","3","4","1") = "9"
    & skf18("1","10","9","5","3","5","1") = "9"
    & skf18("1","10","9","5","3","6","1") = "9"
    & skf18("1","10","9","5","3","7","1") = "9"
    & skf18("1","10","9","5","3","8","1") = "9"
    & skf18("1","10","9","5","3","9","1") = "9"
    & skf18("1","10","9","5","3","10","1") = "9"
    & skf18("1","10","9","5","4","1","1") = "9"
    & skf18("1","10","9","5","4","2","1") = "9"
    & skf18("1","10","9","5","4","3","1") = "9"
    & skf18("1","10","9","5","4","4","1") = "9"
    & skf18("1","10","9","5","4","5","1") = "9"
    & skf18("1","10","9","5","4","6","1") = "9"
    & skf18("1","10","9","5","4","7","1") = "9"
    & skf18("1","10","9","5","4","8","1") = "9"
    & skf18("1","10","9","5","4","9","1") = "9"
    & skf18("1","10","9","5","4","10","1") = "9"
    & skf18("1","10","9","5","5","1","1") = "9"
    & skf18("1","10","9","5","5","2","1") = "9"
    & skf18("1","10","9","5","5","3","1") = "9"
    & skf18("1","10","9","5","5","4","1") = "9"
    & skf18("1","10","9","5","5","5","1") = "9"
    & skf18("1","10","9","5","5","6","1") = "9"
    & skf18("1","10","9","5","5","7","1") = "9"
    & skf18("1","10","9","5","5","8","1") = "9"
    & skf18("1","10","9","5","5","9","1") = "9"
    & skf18("1","10","9","5","5","10","1") = "9"
    & skf18("1","10","9","5","6","1","1") = "9"
    & skf18("1","10","9","5","6","2","1") = "9"
    & skf18("1","10","9","5","6","3","1") = "9"
    & skf18("1","10","9","5","6","4","1") = "9"
    & skf18("1","10","9","5","6","5","1") = "9"
    & skf18("1","10","9","5","6","6","1") = "9"
    & skf18("1","10","9","5","6","7","1") = "9"
    & skf18("1","10","9","5","6","8","1") = "9"
    & skf18("1","10","9","5","6","9","1") = "9"
    & skf18("1","10","9","5","6","10","1") = "9"
    & skf18("1","10","9","5","7","1","1") = "9"
    & skf18("1","10","9","5","7","2","1") = "9"
    & skf18("1","10","9","5","7","3","1") = "9"
    & skf18("1","10","9","5","7","4","1") = "9"
    & skf18("1","10","9","5","7","5","1") = "9"
    & skf18("1","10","9","5","7","6","1") = "9"
    & skf18("1","10","9","5","7","7","1") = "9"
    & skf18("1","10","9","5","7","8","1") = "9"
    & skf18("1","10","9","5","7","9","1") = "9"
    & skf18("1","10","9","5","7","10","1") = "9"
    & skf18("1","10","9","5","8","1","1") = "9"
    & skf18("1","10","9","5","8","2","1") = "9"
    & skf18("1","10","9","5","8","3","1") = "9"
    & skf18("1","10","9","5","8","4","1") = "9"
    & skf18("1","10","9","5","8","5","1") = "9"
    & skf18("1","10","9","5","8","6","1") = "9"
    & skf18("1","10","9","5","8","7","1") = "9"
    & skf18("1","10","9","5","8","8","1") = "9"
    & skf18("1","10","9","5","8","9","1") = "9"
    & skf18("1","10","9","5","8","10","1") = "9"
    & skf18("1","10","9","5","9","1","1") = "9"
    & skf18("1","10","9","5","9","2","1") = "9"
    & skf18("1","10","9","5","9","3","1") = "9"
    & skf18("1","10","9","5","9","4","1") = "9"
    & skf18("1","10","9","5","9","5","1") = "9"
    & skf18("1","10","9","5","9","6","1") = "9"
    & skf18("1","10","9","5","9","7","1") = "9"
    & skf18("1","10","9","5","9","8","1") = "9"
    & skf18("1","10","9","5","9","9","1") = "9"
    & skf18("1","10","9","5","9","10","1") = "9"
    & skf18("1","10","9","5","10","1","1") = "9"
    & skf18("1","10","9","5","10","2","1") = "9"
    & skf18("1","10","9","5","10","3","1") = "9"
    & skf18("1","10","9","5","10","4","1") = "9"
    & skf18("1","10","9","5","10","5","1") = "9"
    & skf18("1","10","9","5","10","6","1") = "9"
    & skf18("1","10","9","5","10","7","1") = "9"
    & skf18("1","10","9","5","10","8","1") = "9"
    & skf18("1","10","9","5","10","9","1") = "9"
    & skf18("1","10","9","5","10","10","1") = "9"
    & skf18("1","10","9","6","1","1","1") = "9"
    & skf18("1","10","9","6","1","2","1") = "9"
    & skf18("1","10","9","6","1","3","1") = "9"
    & skf18("1","10","9","6","1","4","1") = "9"
    & skf18("1","10","9","6","1","5","1") = "9"
    & skf18("1","10","9","6","1","6","1") = "9"
    & skf18("1","10","9","6","1","7","1") = "9"
    & skf18("1","10","9","6","1","8","1") = "9"
    & skf18("1","10","9","6","1","9","1") = "9"
    & skf18("1","10","9","6","1","10","1") = "9"
    & skf18("1","10","9","6","2","1","1") = "9"
    & skf18("1","10","9","6","2","2","1") = "9"
    & skf18("1","10","9","6","2","3","1") = "9"
    & skf18("1","10","9","6","2","4","1") = "9"
    & skf18("1","10","9","6","2","5","1") = "9"
    & skf18("1","10","9","6","2","6","1") = "9"
    & skf18("1","10","9","6","2","7","1") = "9"
    & skf18("1","10","9","6","2","8","1") = "9"
    & skf18("1","10","9","6","2","9","1") = "9"
    & skf18("1","10","9","6","2","10","1") = "9"
    & skf18("1","10","9","6","3","1","1") = "9"
    & skf18("1","10","9","6","3","2","1") = "9"
    & skf18("1","10","9","6","3","3","1") = "9"
    & skf18("1","10","9","6","3","4","1") = "9"
    & skf18("1","10","9","6","3","5","1") = "9"
    & skf18("1","10","9","6","3","6","1") = "9"
    & skf18("1","10","9","6","3","7","1") = "9"
    & skf18("1","10","9","6","3","8","1") = "9"
    & skf18("1","10","9","6","3","9","1") = "9"
    & skf18("1","10","9","6","3","10","1") = "9"
    & skf18("1","10","9","6","4","1","1") = "9"
    & skf18("1","10","9","6","4","2","1") = "9"
    & skf18("1","10","9","6","4","3","1") = "9"
    & skf18("1","10","9","6","4","4","1") = "9"
    & skf18("1","10","9","6","4","5","1") = "9"
    & skf18("1","10","9","6","4","6","1") = "9"
    & skf18("1","10","9","6","4","7","1") = "9"
    & skf18("1","10","9","6","4","8","1") = "9"
    & skf18("1","10","9","6","4","9","1") = "9"
    & skf18("1","10","9","6","4","10","1") = "9"
    & skf18("1","10","9","6","5","1","1") = "9"
    & skf18("1","10","9","6","5","2","1") = "9"
    & skf18("1","10","9","6","5","3","1") = "9"
    & skf18("1","10","9","6","5","4","1") = "9"
    & skf18("1","10","9","6","5","5","1") = "9"
    & skf18("1","10","9","6","5","6","1") = "9"
    & skf18("1","10","9","6","5","7","1") = "9"
    & skf18("1","10","9","6","5","8","1") = "9"
    & skf18("1","10","9","6","5","9","1") = "9"
    & skf18("1","10","9","6","5","10","1") = "9"
    & skf18("1","10","9","6","6","1","1") = "9"
    & skf18("1","10","9","6","6","2","1") = "9"
    & skf18("1","10","9","6","6","3","1") = "9"
    & skf18("1","10","9","6","6","4","1") = "9"
    & skf18("1","10","9","6","6","5","1") = "9"
    & skf18("1","10","9","6","6","6","1") = "9"
    & skf18("1","10","9","6","6","7","1") = "9"
    & skf18("1","10","9","6","6","8","1") = "9"
    & skf18("1","10","9","6","6","9","1") = "9"
    & skf18("1","10","9","6","6","10","1") = "9"
    & skf18("1","10","9","6","7","1","1") = "9"
    & skf18("1","10","9","6","7","2","1") = "9"
    & skf18("1","10","9","6","7","3","1") = "9"
    & skf18("1","10","9","6","7","4","1") = "9"
    & skf18("1","10","9","6","7","5","1") = "9"
    & skf18("1","10","9","6","7","6","1") = "9"
    & skf18("1","10","9","6","7","7","1") = "9"
    & skf18("1","10","9","6","7","8","1") = "9"
    & skf18("1","10","9","6","7","9","1") = "9"
    & skf18("1","10","9","6","7","10","1") = "9"
    & skf18("1","10","9","6","8","1","1") = "9"
    & skf18("1","10","9","6","8","2","1") = "9"
    & skf18("1","10","9","6","8","3","1") = "9"
    & skf18("1","10","9","6","8","4","1") = "9"
    & skf18("1","10","9","6","8","5","1") = "9"
    & skf18("1","10","9","6","8","6","1") = "9"
    & skf18("1","10","9","6","8","7","1") = "9"
    & skf18("1","10","9","6","8","8","1") = "9"
    & skf18("1","10","9","6","8","9","1") = "9"
    & skf18("1","10","9","6","8","10","1") = "9"
    & skf18("1","10","9","6","9","1","1") = "9"
    & skf18("1","10","9","6","9","2","1") = "9"
    & skf18("1","10","9","6","9","3","1") = "9"
    & skf18("1","10","9","6","9","4","1") = "9"
    & skf18("1","10","9","6","9","5","1") = "9"
    & skf18("1","10","9","6","9","6","1") = "9"
    & skf18("1","10","9","6","9","7","1") = "9"
    & skf18("1","10","9","6","9","8","1") = "9"
    & skf18("1","10","9","6","9","9","1") = "9"
    & skf18("1","10","9","6","9","10","1") = "9"
    & skf18("1","10","9","6","10","1","1") = "9"
    & skf18("1","10","9","6","10","2","1") = "9"
    & skf18("1","10","9","6","10","3","1") = "9"
    & skf18("1","10","9","6","10","4","1") = "9"
    & skf18("1","10","9","6","10","5","1") = "9"
    & skf18("1","10","9","6","10","6","1") = "9"
    & skf18("1","10","9","6","10","7","1") = "9"
    & skf18("1","10","9","6","10","8","1") = "9"
    & skf18("1","10","9","6","10","9","1") = "9"
    & skf18("1","10","9","6","10","10","1") = "9"
    & skf18("1","10","9","7","1","1","1") = "9"
    & skf18("1","10","9","7","1","2","1") = "9"
    & skf18("1","10","9","7","1","3","1") = "9"
    & skf18("1","10","9","7","1","4","1") = "9"
    & skf18("1","10","9","7","1","5","1") = "9"
    & skf18("1","10","9","7","1","6","1") = "9"
    & skf18("1","10","9","7","1","7","1") = "9"
    & skf18("1","10","9","7","1","8","1") = "9"
    & skf18("1","10","9","7","1","9","1") = "9"
    & skf18("1","10","9","7","1","10","1") = "9"
    & skf18("1","10","9","7","2","1","1") = "9"
    & skf18("1","10","9","7","2","2","1") = "9"
    & skf18("1","10","9","7","2","3","1") = "9"
    & skf18("1","10","9","7","2","4","1") = "9"
    & skf18("1","10","9","7","2","5","1") = "9"
    & skf18("1","10","9","7","2","6","1") = "9"
    & skf18("1","10","9","7","2","7","1") = "9"
    & skf18("1","10","9","7","2","8","1") = "9"
    & skf18("1","10","9","7","2","9","1") = "9"
    & skf18("1","10","9","7","2","10","1") = "9"
    & skf18("1","10","9","7","3","1","1") = "9"
    & skf18("1","10","9","7","3","2","1") = "9"
    & skf18("1","10","9","7","3","3","1") = "9"
    & skf18("1","10","9","7","3","4","1") = "9"
    & skf18("1","10","9","7","3","5","1") = "9"
    & skf18("1","10","9","7","3","6","1") = "9"
    & skf18("1","10","9","7","3","7","1") = "9"
    & skf18("1","10","9","7","3","8","1") = "9"
    & skf18("1","10","9","7","3","9","1") = "9"
    & skf18("1","10","9","7","3","10","1") = "9"
    & skf18("1","10","9","7","4","1","1") = "9"
    & skf18("1","10","9","7","4","2","1") = "9"
    & skf18("1","10","9","7","4","3","1") = "9"
    & skf18("1","10","9","7","4","4","1") = "9"
    & skf18("1","10","9","7","4","5","1") = "9"
    & skf18("1","10","9","7","4","6","1") = "9"
    & skf18("1","10","9","7","4","7","1") = "9"
    & skf18("1","10","9","7","4","8","1") = "9"
    & skf18("1","10","9","7","4","9","1") = "9"
    & skf18("1","10","9","7","4","10","1") = "9"
    & skf18("1","10","9","7","5","1","1") = "9"
    & skf18("1","10","9","7","5","2","1") = "9"
    & skf18("1","10","9","7","5","3","1") = "9"
    & skf18("1","10","9","7","5","4","1") = "9"
    & skf18("1","10","9","7","5","5","1") = "9"
    & skf18("1","10","9","7","5","6","1") = "9"
    & skf18("1","10","9","7","5","7","1") = "9"
    & skf18("1","10","9","7","5","8","1") = "9"
    & skf18("1","10","9","7","5","9","1") = "9"
    & skf18("1","10","9","7","5","10","1") = "9"
    & skf18("1","10","9","7","6","1","1") = "9"
    & skf18("1","10","9","7","6","2","1") = "9"
    & skf18("1","10","9","7","6","3","1") = "9"
    & skf18("1","10","9","7","6","4","1") = "9"
    & skf18("1","10","9","7","6","5","1") = "9"
    & skf18("1","10","9","7","6","6","1") = "9"
    & skf18("1","10","9","7","6","7","1") = "9"
    & skf18("1","10","9","7","6","8","1") = "9"
    & skf18("1","10","9","7","6","9","1") = "9"
    & skf18("1","10","9","7","6","10","1") = "9"
    & skf18("1","10","9","7","7","1","1") = "9"
    & skf18("1","10","9","7","7","2","1") = "9"
    & skf18("1","10","9","7","7","3","1") = "9"
    & skf18("1","10","9","7","7","4","1") = "9"
    & skf18("1","10","9","7","7","5","1") = "9"
    & skf18("1","10","9","7","7","6","1") = "9"
    & skf18("1","10","9","7","7","7","1") = "9"
    & skf18("1","10","9","7","7","8","1") = "9"
    & skf18("1","10","9","7","7","9","1") = "9"
    & skf18("1","10","9","7","7","10","1") = "9"
    & skf18("1","10","9","7","8","1","1") = "9"
    & skf18("1","10","9","7","8","2","1") = "9"
    & skf18("1","10","9","7","8","3","1") = "9"
    & skf18("1","10","9","7","8","4","1") = "9"
    & skf18("1","10","9","7","8","5","1") = "9"
    & skf18("1","10","9","7","8","6","1") = "9"
    & skf18("1","10","9","7","8","7","1") = "9"
    & skf18("1","10","9","7","8","8","1") = "9"
    & skf18("1","10","9","7","8","9","1") = "9"
    & skf18("1","10","9","7","8","10","1") = "9"
    & skf18("1","10","9","7","9","1","1") = "9"
    & skf18("1","10","9","7","9","2","1") = "9"
    & skf18("1","10","9","7","9","3","1") = "9"
    & skf18("1","10","9","7","9","4","1") = "9"
    & skf18("1","10","9","7","9","5","1") = "9"
    & skf18("1","10","9","7","9","6","1") = "9"
    & skf18("1","10","9","7","9","7","1") = "9"
    & skf18("1","10","9","7","9","8","1") = "9"
    & skf18("1","10","9","7","9","9","1") = "9"
    & skf18("1","10","9","7","9","10","1") = "9"
    & skf18("1","10","9","7","10","1","1") = "9"
    & skf18("1","10","9","7","10","2","1") = "9"
    & skf18("1","10","9","7","10","3","1") = "9"
    & skf18("1","10","9","7","10","4","1") = "9"
    & skf18("1","10","9","7","10","5","1") = "9"
    & skf18("1","10","9","7","10","6","1") = "9"
    & skf18("1","10","9","7","10","7","1") = "9"
    & skf18("1","10","9","7","10","8","1") = "9"
    & skf18("1","10","9","7","10","9","1") = "9"
    & skf18("1","10","9","7","10","10","1") = "9"
    & skf18("1","10","9","8","1","1","1") = "9"
    & skf18("1","10","9","8","1","2","1") = "9"
    & skf18("1","10","9","8","1","3","1") = "9"
    & skf18("1","10","9","8","1","4","1") = "9"
    & skf18("1","10","9","8","1","5","1") = "9"
    & skf18("1","10","9","8","1","6","1") = "9"
    & skf18("1","10","9","8","1","7","1") = "9"
    & skf18("1","10","9","8","1","8","1") = "9"
    & skf18("1","10","9","8","1","9","1") = "9"
    & skf18("1","10","9","8","1","10","1") = "9"
    & skf18("1","10","9","8","2","1","1") = "9"
    & skf18("1","10","9","8","2","2","1") = "9"
    & skf18("1","10","9","8","2","3","1") = "9"
    & skf18("1","10","9","8","2","4","1") = "9"
    & skf18("1","10","9","8","2","5","1") = "9"
    & skf18("1","10","9","8","2","6","1") = "9"
    & skf18("1","10","9","8","2","7","1") = "9"
    & skf18("1","10","9","8","2","8","1") = "9"
    & skf18("1","10","9","8","2","9","1") = "9"
    & skf18("1","10","9","8","2","10","1") = "9"
    & skf18("1","10","9","8","3","1","1") = "9"
    & skf18("1","10","9","8","3","2","1") = "9"
    & skf18("1","10","9","8","3","3","1") = "9"
    & skf18("1","10","9","8","3","4","1") = "9"
    & skf18("1","10","9","8","3","5","1") = "9"
    & skf18("1","10","9","8","3","6","1") = "9"
    & skf18("1","10","9","8","3","7","1") = "9"
    & skf18("1","10","9","8","3","8","1") = "9"
    & skf18("1","10","9","8","3","9","1") = "9"
    & skf18("1","10","9","8","3","10","1") = "9"
    & skf18("1","10","9","8","4","1","1") = "9"
    & skf18("1","10","9","8","4","2","1") = "9"
    & skf18("1","10","9","8","4","3","1") = "9"
    & skf18("1","10","9","8","4","4","1") = "9"
    & skf18("1","10","9","8","4","5","1") = "9"
    & skf18("1","10","9","8","4","6","1") = "9"
    & skf18("1","10","9","8","4","7","1") = "9"
    & skf18("1","10","9","8","4","8","1") = "9"
    & skf18("1","10","9","8","4","9","1") = "9"
    & skf18("1","10","9","8","4","10","1") = "9"
    & skf18("1","10","9","8","5","1","1") = "9"
    & skf18("1","10","9","8","5","2","1") = "9"
    & skf18("1","10","9","8","5","3","1") = "9"
    & skf18("1","10","9","8","5","4","1") = "9"
    & skf18("1","10","9","8","5","5","1") = "9"
    & skf18("1","10","9","8","5","6","1") = "9"
    & skf18("1","10","9","8","5","7","1") = "9"
    & skf18("1","10","9","8","5","8","1") = "9"
    & skf18("1","10","9","8","5","9","1") = "9"
    & skf18("1","10","9","8","5","10","1") = "9"
    & skf18("1","10","9","8","6","1","1") = "9"
    & skf18("1","10","9","8","6","2","1") = "9"
    & skf18("1","10","9","8","6","3","1") = "9"
    & skf18("1","10","9","8","6","4","1") = "9"
    & skf18("1","10","9","8","6","5","1") = "9"
    & skf18("1","10","9","8","6","6","1") = "9"
    & skf18("1","10","9","8","6","7","1") = "9"
    & skf18("1","10","9","8","6","8","1") = "9"
    & skf18("1","10","9","8","6","9","1") = "9"
    & skf18("1","10","9","8","6","10","1") = "9"
    & skf18("1","10","9","8","7","1","1") = "9"
    & skf18("1","10","9","8","7","2","1") = "9"
    & skf18("1","10","9","8","7","3","1") = "9"
    & skf18("1","10","9","8","7","4","1") = "9"
    & skf18("1","10","9","8","7","5","1") = "9"
    & skf18("1","10","9","8","7","6","1") = "9"
    & skf18("1","10","9","8","7","7","1") = "9"
    & skf18("1","10","9","8","7","8","1") = "9"
    & skf18("1","10","9","8","7","9","1") = "9"
    & skf18("1","10","9","8","7","10","1") = "9"
    & skf18("1","10","9","8","8","1","1") = "9"
    & skf18("1","10","9","8","8","2","1") = "9"
    & skf18("1","10","9","8","8","3","1") = "9"
    & skf18("1","10","9","8","8","4","1") = "9"
    & skf18("1","10","9","8","8","5","1") = "9"
    & skf18("1","10","9","8","8","6","1") = "9"
    & skf18("1","10","9","8","8","7","1") = "9"
    & skf18("1","10","9","8","8","8","1") = "9"
    & skf18("1","10","9","8","8","9","1") = "9"
    & skf18("1","10","9","8","8","10","1") = "9"
    & skf18("1","10","9","8","9","1","1") = "9"
    & skf18("1","10","9","8","9","2","1") = "9"
    & skf18("1","10","9","8","9","3","1") = "9"
    & skf18("1","10","9","8","9","4","1") = "9"
    & skf18("1","10","9","8","9","5","1") = "9"
    & skf18("1","10","9","8","9","6","1") = "9"
    & skf18("1","10","9","8","9","7","1") = "9"
    & skf18("1","10","9","8","9","8","1") = "9"
    & skf18("1","10","9","8","9","9","1") = "9"
    & skf18("1","10","9","8","9","10","1") = "9"
    & skf18("1","10","9","8","10","1","1") = "9"
    & skf18("1","10","9","8","10","2","1") = "9"
    & skf18("1","10","9","8","10","3","1") = "9"
    & skf18("1","10","9","8","10","4","1") = "9"
    & skf18("1","10","9","8","10","5","1") = "9"
    & skf18("1","10","9","8","10","6","1") = "9"
    & skf18("1","10","9","8","10","7","1") = "9"
    & skf18("1","10","9","8","10","8","1") = "9"
    & skf18("1","10","9","8","10","9","1") = "9"
    & skf18("1","10","9","8","10","10","1") = "9"
    & skf18("1","10","9","9","1","1","1") = "9"
    & skf18("1","10","9","9","1","2","1") = "9"
    & skf18("1","10","9","9","1","3","1") = "9"
    & skf18("1","10","9","9","1","4","1") = "9"
    & skf18("1","10","9","9","1","5","1") = "9"
    & skf18("1","10","9","9","1","6","1") = "9"
    & skf18("1","10","9","9","1","7","1") = "9"
    & skf18("1","10","9","9","1","8","1") = "9"
    & skf18("1","10","9","9","1","9","1") = "9"
    & skf18("1","10","9","9","1","10","1") = "9"
    & skf18("1","10","9","9","2","1","1") = "9"
    & skf18("1","10","9","9","2","2","1") = "9"
    & skf18("1","10","9","9","2","3","1") = "9"
    & skf18("1","10","9","9","2","4","1") = "9"
    & skf18("1","10","9","9","2","5","1") = "9"
    & skf18("1","10","9","9","2","6","1") = "9"
    & skf18("1","10","9","9","2","7","1") = "9"
    & skf18("1","10","9","9","2","8","1") = "9"
    & skf18("1","10","9","9","2","9","1") = "9"
    & skf18("1","10","9","9","2","10","1") = "9"
    & skf18("1","10","9","9","3","1","1") = "9"
    & skf18("1","10","9","9","3","2","1") = "9"
    & skf18("1","10","9","9","3","3","1") = "9"
    & skf18("1","10","9","9","3","4","1") = "9"
    & skf18("1","10","9","9","3","5","1") = "9"
    & skf18("1","10","9","9","3","6","1") = "9"
    & skf18("1","10","9","9","3","7","1") = "9"
    & skf18("1","10","9","9","3","8","1") = "9"
    & skf18("1","10","9","9","3","9","1") = "9"
    & skf18("1","10","9","9","3","10","1") = "9"
    & skf18("1","10","9","9","4","1","1") = "9"
    & skf18("1","10","9","9","4","2","1") = "9"
    & skf18("1","10","9","9","4","3","1") = "9"
    & skf18("1","10","9","9","4","4","1") = "9"
    & skf18("1","10","9","9","4","5","1") = "9"
    & skf18("1","10","9","9","4","6","1") = "9"
    & skf18("1","10","9","9","4","7","1") = "9"
    & skf18("1","10","9","9","4","8","1") = "9"
    & skf18("1","10","9","9","4","9","1") = "9"
    & skf18("1","10","9","9","4","10","1") = "9"
    & skf18("1","10","9","9","5","1","1") = "9"
    & skf18("1","10","9","9","5","2","1") = "9"
    & skf18("1","10","9","9","5","3","1") = "9"
    & skf18("1","10","9","9","5","4","1") = "9"
    & skf18("1","10","9","9","5","5","1") = "9"
    & skf18("1","10","9","9","5","6","1") = "9"
    & skf18("1","10","9","9","5","7","1") = "9"
    & skf18("1","10","9","9","5","8","1") = "9"
    & skf18("1","10","9","9","5","9","1") = "9"
    & skf18("1","10","9","9","5","10","1") = "9"
    & skf18("1","10","9","9","6","1","1") = "9"
    & skf18("1","10","9","9","6","2","1") = "9"
    & skf18("1","10","9","9","6","3","1") = "9"
    & skf18("1","10","9","9","6","4","1") = "9"
    & skf18("1","10","9","9","6","5","1") = "9"
    & skf18("1","10","9","9","6","6","1") = "9"
    & skf18("1","10","9","9","6","7","1") = "9"
    & skf18("1","10","9","9","6","8","1") = "9"
    & skf18("1","10","9","9","6","9","1") = "9"
    & skf18("1","10","9","9","6","10","1") = "9"
    & skf18("1","10","9","9","7","1","1") = "9"
    & skf18("1","10","9","9","7","2","1") = "9"
    & skf18("1","10","9","9","7","3","1") = "9"
    & skf18("1","10","9","9","7","4","1") = "9"
    & skf18("1","10","9","9","7","5","1") = "9"
    & skf18("1","10","9","9","7","6","1") = "9"
    & skf18("1","10","9","9","7","7","1") = "9"
    & skf18("1","10","9","9","7","8","1") = "9"
    & skf18("1","10","9","9","7","9","1") = "9"
    & skf18("1","10","9","9","7","10","1") = "9"
    & skf18("1","10","9","9","8","1","1") = "9"
    & skf18("1","10","9","9","8","2","1") = "9"
    & skf18("1","10","9","9","8","3","1") = "9"
    & skf18("1","10","9","9","8","4","1") = "9"
    & skf18("1","10","9","9","8","5","1") = "9"
    & skf18("1","10","9","9","8","6","1") = "9"
    & skf18("1","10","9","9","8","7","1") = "9"
    & skf18("1","10","9","9","8","8","1") = "9"
    & skf18("1","10","9","9","8","9","1") = "9"
    & skf18("1","10","9","9","8","10","1") = "9"
    & skf18("1","10","9","9","9","1","1") = "9"
    & skf18("1","10","9","9","9","2","1") = "9"
    & skf18("1","10","9","9","9","3","1") = "9"
    & skf18("1","10","9","9","9","4","1") = "9"
    & skf18("1","10","9","9","9","5","1") = "9"
    & skf18("1","10","9","9","9","6","1") = "9"
    & skf18("1","10","9","9","9","7","1") = "9"
    & skf18("1","10","9","9","9","8","1") = "9"
    & skf18("1","10","9","9","9","9","1") = "9"
    & skf18("1","10","9","9","9","10","1") = "9"
    & skf18("1","10","9","9","10","1","1") = "9"
    & skf18("1","10","9","9","10","2","1") = "9"
    & skf18("1","10","9","9","10","3","1") = "9"
    & skf18("1","10","9","9","10","4","1") = "9"
    & skf18("1","10","9","9","10","5","1") = "9"
    & skf18("1","10","9","9","10","6","1") = "9"
    & skf18("1","10","9","9","10","7","1") = "9"
    & skf18("1","10","9","9","10","8","1") = "9"
    & skf18("1","10","9","9","10","9","1") = "9"
    & skf18("1","10","9","9","10","10","1") = "9"
    & skf18("1","10","9","10","1","1","1") = "9"
    & skf18("1","10","9","10","1","2","1") = "9"
    & skf18("1","10","9","10","1","3","1") = "9"
    & skf18("1","10","9","10","1","4","1") = "9"
    & skf18("1","10","9","10","1","5","1") = "9"
    & skf18("1","10","9","10","1","6","1") = "9"
    & skf18("1","10","9","10","1","7","1") = "9"
    & skf18("1","10","9","10","1","8","1") = "9"
    & skf18("1","10","9","10","1","9","1") = "9"
    & skf18("1","10","9","10","1","10","1") = "9"
    & skf18("1","10","9","10","2","1","1") = "9"
    & skf18("1","10","9","10","2","2","1") = "9"
    & skf18("1","10","9","10","2","3","1") = "9"
    & skf18("1","10","9","10","2","4","1") = "9"
    & skf18("1","10","9","10","2","5","1") = "9"
    & skf18("1","10","9","10","2","6","1") = "9"
    & skf18("1","10","9","10","2","7","1") = "9"
    & skf18("1","10","9","10","2","8","1") = "9"
    & skf18("1","10","9","10","2","9","1") = "9"
    & skf18("1","10","9","10","2","10","1") = "9"
    & skf18("1","10","9","10","3","1","1") = "9"
    & skf18("1","10","9","10","3","2","1") = "9"
    & skf18("1","10","9","10","3","3","1") = "9"
    & skf18("1","10","9","10","3","4","1") = "9"
    & skf18("1","10","9","10","3","5","1") = "9"
    & skf18("1","10","9","10","3","6","1") = "9"
    & skf18("1","10","9","10","3","7","1") = "9"
    & skf18("1","10","9","10","3","8","1") = "9"
    & skf18("1","10","9","10","3","9","1") = "9"
    & skf18("1","10","9","10","3","10","1") = "9"
    & skf18("1","10","9","10","4","1","1") = "9"
    & skf18("1","10","9","10","4","2","1") = "9"
    & skf18("1","10","9","10","4","3","1") = "9"
    & skf18("1","10","9","10","4","4","1") = "9"
    & skf18("1","10","9","10","4","5","1") = "9"
    & skf18("1","10","9","10","4","6","1") = "9"
    & skf18("1","10","9","10","4","7","1") = "9"
    & skf18("1","10","9","10","4","8","1") = "9"
    & skf18("1","10","9","10","4","9","1") = "9"
    & skf18("1","10","9","10","4","10","1") = "9"
    & skf18("1","10","9","10","5","1","1") = "9"
    & skf18("1","10","9","10","5","2","1") = "9"
    & skf18("1","10","9","10","5","3","1") = "9"
    & skf18("1","10","9","10","5","4","1") = "9"
    & skf18("1","10","9","10","5","5","1") = "9"
    & skf18("1","10","9","10","5","6","1") = "9"
    & skf18("1","10","9","10","5","7","1") = "9"
    & skf18("1","10","9","10","5","8","1") = "9"
    & skf18("1","10","9","10","5","9","1") = "9"
    & skf18("1","10","9","10","5","10","1") = "9"
    & skf18("1","10","9","10","6","1","1") = "9"
    & skf18("1","10","9","10","6","2","1") = "9"
    & skf18("1","10","9","10","6","3","1") = "9"
    & skf18("1","10","9","10","6","4","1") = "9"
    & skf18("1","10","9","10","6","5","1") = "9"
    & skf18("1","10","9","10","6","6","1") = "9"
    & skf18("1","10","9","10","6","7","1") = "9"
    & skf18("1","10","9","10","6","8","1") = "9"
    & skf18("1","10","9","10","6","9","1") = "9"
    & skf18("1","10","9","10","6","10","1") = "9"
    & skf18("1","10","9","10","7","1","1") = "9"
    & skf18("1","10","9","10","7","2","1") = "9"
    & skf18("1","10","9","10","7","3","1") = "9"
    & skf18("1","10","9","10","7","4","1") = "9"
    & skf18("1","10","9","10","7","5","1") = "9"
    & skf18("1","10","9","10","7","6","1") = "9"
    & skf18("1","10","9","10","7","7","1") = "9"
    & skf18("1","10","9","10","7","8","1") = "9"
    & skf18("1","10","9","10","7","9","1") = "9"
    & skf18("1","10","9","10","7","10","1") = "9"
    & skf18("1","10","9","10","8","1","1") = "9"
    & skf18("1","10","9","10","8","2","1") = "9"
    & skf18("1","10","9","10","8","3","1") = "9"
    & skf18("1","10","9","10","8","4","1") = "9"
    & skf18("1","10","9","10","8","5","1") = "9"
    & skf18("1","10","9","10","8","6","1") = "9"
    & skf18("1","10","9","10","8","7","1") = "9"
    & skf18("1","10","9","10","8","8","1") = "9"
    & skf18("1","10","9","10","8","9","1") = "9"
    & skf18("1","10","9","10","8","10","1") = "9"
    & skf18("1","10","9","10","9","1","1") = "9"
    & skf18("1","10","9","10","9","2","1") = "9"
    & skf18("1","10","9","10","9","3","1") = "9"
    & skf18("1","10","9","10","9","4","1") = "9"
    & skf18("1","10","9","10","9","5","1") = "9"
    & skf18("1","10","9","10","9","6","1") = "9"
    & skf18("1","10","9","10","9","7","1") = "9"
    & skf18("1","10","9","10","9","8","1") = "9"
    & skf18("1","10","9","10","9","9","1") = "9"
    & skf18("1","10","9","10","9","10","1") = "9"
    & skf18("1","10","9","10","10","1","1") = "9"
    & skf18("1","10","9","10","10","2","1") = "9"
    & skf18("1","10","9","10","10","3","1") = "9"
    & skf18("1","10","9","10","10","4","1") = "9"
    & skf18("1","10","9","10","10","5","1") = "9"
    & skf18("1","10","9","10","10","6","1") = "9"
    & skf18("1","10","9","10","10","7","1") = "9"
    & skf18("1","10","9","10","10","8","1") = "9"
    & skf18("1","10","9","10","10","9","1") = "9"
    & skf18("1","10","9","10","10","10","1") = "9"
    & skf18("1","10","10","1","1","1","1") = "9"
    & skf18("1","10","10","1","1","2","1") = "9"
    & skf18("1","10","10","1","1","3","1") = "9"
    & skf18("1","10","10","1","1","4","1") = "9"
    & skf18("1","10","10","1","1","5","1") = "9"
    & skf18("1","10","10","1","1","6","1") = "9"
    & skf18("1","10","10","1","1","7","1") = "9"
    & skf18("1","10","10","1","1","8","1") = "9"
    & skf18("1","10","10","1","1","9","1") = "9"
    & skf18("1","10","10","1","1","10","1") = "9"
    & skf18("1","10","10","1","2","1","1") = "9"
    & skf18("1","10","10","1","2","2","1") = "9"
    & skf18("1","10","10","1","2","3","1") = "9"
    & skf18("1","10","10","1","2","4","1") = "9"
    & skf18("1","10","10","1","2","5","1") = "9"
    & skf18("1","10","10","1","2","6","1") = "9"
    & skf18("1","10","10","1","2","7","1") = "9"
    & skf18("1","10","10","1","2","8","1") = "9"
    & skf18("1","10","10","1","2","9","1") = "9"
    & skf18("1","10","10","1","2","10","1") = "9"
    & skf18("1","10","10","1","3","1","1") = "9"
    & skf18("1","10","10","1","3","2","1") = "9"
    & skf18("1","10","10","1","3","3","1") = "9"
    & skf18("1","10","10","1","3","4","1") = "9"
    & skf18("1","10","10","1","3","5","1") = "9"
    & skf18("1","10","10","1","3","6","1") = "9"
    & skf18("1","10","10","1","3","7","1") = "9"
    & skf18("1","10","10","1","3","8","1") = "9"
    & skf18("1","10","10","1","3","9","1") = "9"
    & skf18("1","10","10","1","3","10","1") = "9"
    & skf18("1","10","10","1","4","1","1") = "9"
    & skf18("1","10","10","1","4","2","1") = "9"
    & skf18("1","10","10","1","4","3","1") = "9"
    & skf18("1","10","10","1","4","4","1") = "9"
    & skf18("1","10","10","1","4","5","1") = "9"
    & skf18("1","10","10","1","4","6","1") = "9"
    & skf18("1","10","10","1","4","7","1") = "9"
    & skf18("1","10","10","1","4","8","1") = "9"
    & skf18("1","10","10","1","4","9","1") = "9"
    & skf18("1","10","10","1","4","10","1") = "9"
    & skf18("1","10","10","1","5","1","1") = "9"
    & skf18("1","10","10","1","5","2","1") = "9"
    & skf18("1","10","10","1","5","3","1") = "9"
    & skf18("1","10","10","1","5","4","1") = "9"
    & skf18("1","10","10","1","5","5","1") = "9"
    & skf18("1","10","10","1","5","6","1") = "9"
    & skf18("1","10","10","1","5","7","1") = "9"
    & skf18("1","10","10","1","5","8","1") = "9"
    & skf18("1","10","10","1","5","9","1") = "9"
    & skf18("1","10","10","1","5","10","1") = "9"
    & skf18("1","10","10","1","6","1","1") = "9"
    & skf18("1","10","10","1","6","2","1") = "9"
    & skf18("1","10","10","1","6","3","1") = "9"
    & skf18("1","10","10","1","6","4","1") = "9"
    & skf18("1","10","10","1","6","5","1") = "9"
    & skf18("1","10","10","1","6","6","1") = "9"
    & skf18("1","10","10","1","6","7","1") = "9"
    & skf18("1","10","10","1","6","8","1") = "9"
    & skf18("1","10","10","1","6","9","1") = "9"
    & skf18("1","10","10","1","6","10","1") = "9"
    & skf18("1","10","10","1","7","1","1") = "9"
    & skf18("1","10","10","1","7","2","1") = "9"
    & skf18("1","10","10","1","7","3","1") = "9"
    & skf18("1","10","10","1","7","4","1") = "9"
    & skf18("1","10","10","1","7","5","1") = "9"
    & skf18("1","10","10","1","7","6","1") = "9"
    & skf18("1","10","10","1","7","7","1") = "9"
    & skf18("1","10","10","1","7","8","1") = "9"
    & skf18("1","10","10","1","7","9","1") = "9"
    & skf18("1","10","10","1","7","10","1") = "9"
    & skf18("1","10","10","1","8","1","1") = "9"
    & skf18("1","10","10","1","8","2","1") = "9"
    & skf18("1","10","10","1","8","3","1") = "9"
    & skf18("1","10","10","1","8","4","1") = "9"
    & skf18("1","10","10","1","8","5","1") = "9"
    & skf18("1","10","10","1","8","6","1") = "9"
    & skf18("1","10","10","1","8","7","1") = "9"
    & skf18("1","10","10","1","8","8","1") = "9"
    & skf18("1","10","10","1","8","9","1") = "9"
    & skf18("1","10","10","1","8","10","1") = "9"
    & skf18("1","10","10","1","9","1","1") = "9"
    & skf18("1","10","10","1","9","2","1") = "9"
    & skf18("1","10","10","1","9","3","1") = "9"
    & skf18("1","10","10","1","9","4","1") = "9"
    & skf18("1","10","10","1","9","5","1") = "9"
    & skf18("1","10","10","1","9","6","1") = "9"
    & skf18("1","10","10","1","9","7","1") = "9"
    & skf18("1","10","10","1","9","8","1") = "9"
    & skf18("1","10","10","1","9","9","1") = "9"
    & skf18("1","10","10","1","9","10","1") = "9"
    & skf18("1","10","10","1","10","1","1") = "9"
    & skf18("1","10","10","1","10","2","1") = "9"
    & skf18("1","10","10","1","10","3","1") = "9"
    & skf18("1","10","10","1","10","4","1") = "9"
    & skf18("1","10","10","1","10","5","1") = "9"
    & skf18("1","10","10","1","10","6","1") = "9"
    & skf18("1","10","10","1","10","7","1") = "9"
    & skf18("1","10","10","1","10","8","1") = "9"
    & skf18("1","10","10","1","10","9","1") = "9"
    & skf18("1","10","10","1","10","10","1") = "9"
    & skf18("1","10","10","2","1","1","1") = "9"
    & skf18("1","10","10","2","1","2","1") = "9"
    & skf18("1","10","10","2","1","3","1") = "9"
    & skf18("1","10","10","2","1","4","1") = "9"
    & skf18("1","10","10","2","1","5","1") = "9"
    & skf18("1","10","10","2","1","6","1") = "9"
    & skf18("1","10","10","2","1","7","1") = "9"
    & skf18("1","10","10","2","1","8","1") = "9"
    & skf18("1","10","10","2","1","9","1") = "9"
    & skf18("1","10","10","2","1","10","1") = "9"
    & skf18("1","10","10","2","2","1","1") = "9"
    & skf18("1","10","10","2","2","2","1") = "9"
    & skf18("1","10","10","2","2","3","1") = "9"
    & skf18("1","10","10","2","2","4","1") = "9"
    & skf18("1","10","10","2","2","5","1") = "9"
    & skf18("1","10","10","2","2","6","1") = "9"
    & skf18("1","10","10","2","2","7","1") = "9"
    & skf18("1","10","10","2","2","8","1") = "9"
    & skf18("1","10","10","2","2","9","1") = "9"
    & skf18("1","10","10","2","2","10","1") = "9"
    & skf18("1","10","10","2","3","1","1") = "9"
    & skf18("1","10","10","2","3","2","1") = "9"
    & skf18("1","10","10","2","3","3","1") = "9"
    & skf18("1","10","10","2","3","4","1") = "9"
    & skf18("1","10","10","2","3","5","1") = "9"
    & skf18("1","10","10","2","3","6","1") = "9"
    & skf18("1","10","10","2","3","7","1") = "9"
    & skf18("1","10","10","2","3","8","1") = "9"
    & skf18("1","10","10","2","3","9","1") = "9"
    & skf18("1","10","10","2","3","10","1") = "9"
    & skf18("1","10","10","2","4","1","1") = "9"
    & skf18("1","10","10","2","4","2","1") = "9"
    & skf18("1","10","10","2","4","3","1") = "9"
    & skf18("1","10","10","2","4","4","1") = "9"
    & skf18("1","10","10","2","4","5","1") = "9"
    & skf18("1","10","10","2","4","6","1") = "9"
    & skf18("1","10","10","2","4","7","1") = "9"
    & skf18("1","10","10","2","4","8","1") = "9"
    & skf18("1","10","10","2","4","9","1") = "9"
    & skf18("1","10","10","2","4","10","1") = "9"
    & skf18("1","10","10","2","5","1","1") = "9"
    & skf18("1","10","10","2","5","2","1") = "9"
    & skf18("1","10","10","2","5","3","1") = "9"
    & skf18("1","10","10","2","5","4","1") = "9"
    & skf18("1","10","10","2","5","5","1") = "9"
    & skf18("1","10","10","2","5","6","1") = "9"
    & skf18("1","10","10","2","5","7","1") = "9"
    & skf18("1","10","10","2","5","8","1") = "9"
    & skf18("1","10","10","2","5","9","1") = "9"
    & skf18("1","10","10","2","5","10","1") = "9"
    & skf18("1","10","10","2","6","1","1") = "9"
    & skf18("1","10","10","2","6","2","1") = "9"
    & skf18("1","10","10","2","6","3","1") = "9"
    & skf18("1","10","10","2","6","4","1") = "9"
    & skf18("1","10","10","2","6","5","1") = "9"
    & skf18("1","10","10","2","6","6","1") = "9"
    & skf18("1","10","10","2","6","7","1") = "9"
    & skf18("1","10","10","2","6","8","1") = "9"
    & skf18("1","10","10","2","6","9","1") = "9"
    & skf18("1","10","10","2","6","10","1") = "9"
    & skf18("1","10","10","2","7","1","1") = "9"
    & skf18("1","10","10","2","7","2","1") = "9"
    & skf18("1","10","10","2","7","3","1") = "9"
    & skf18("1","10","10","2","7","4","1") = "9"
    & skf18("1","10","10","2","7","5","1") = "9"
    & skf18("1","10","10","2","7","6","1") = "9"
    & skf18("1","10","10","2","7","7","1") = "9"
    & skf18("1","10","10","2","7","8","1") = "9"
    & skf18("1","10","10","2","7","9","1") = "9"
    & skf18("1","10","10","2","7","10","1") = "9"
    & skf18("1","10","10","2","8","1","1") = "9"
    & skf18("1","10","10","2","8","2","1") = "9"
    & skf18("1","10","10","2","8","3","1") = "9"
    & skf18("1","10","10","2","8","4","1") = "9"
    & skf18("1","10","10","2","8","5","1") = "9"
    & skf18("1","10","10","2","8","6","1") = "9"
    & skf18("1","10","10","2","8","7","1") = "9"
    & skf18("1","10","10","2","8","8","1") = "9"
    & skf18("1","10","10","2","8","9","1") = "9"
    & skf18("1","10","10","2","8","10","1") = "9"
    & skf18("1","10","10","2","9","1","1") = "9"
    & skf18("1","10","10","2","9","2","1") = "9"
    & skf18("1","10","10","2","9","3","1") = "9"
    & skf18("1","10","10","2","9","4","1") = "9"
    & skf18("1","10","10","2","9","5","1") = "9"
    & skf18("1","10","10","2","9","6","1") = "9"
    & skf18("1","10","10","2","9","7","1") = "9"
    & skf18("1","10","10","2","9","8","1") = "9"
    & skf18("1","10","10","2","9","9","1") = "9"
    & skf18("1","10","10","2","9","10","1") = "9"
    & skf18("1","10","10","2","10","1","1") = "9"
    & skf18("1","10","10","2","10","2","1") = "9"
    & skf18("1","10","10","2","10","3","1") = "9"
    & skf18("1","10","10","2","10","4","1") = "9"
    & skf18("1","10","10","2","10","5","1") = "9"
    & skf18("1","10","10","2","10","6","1") = "9"
    & skf18("1","10","10","2","10","7","1") = "9"
    & skf18("1","10","10","2","10","8","1") = "9"
    & skf18("1","10","10","2","10","9","1") = "9"
    & skf18("1","10","10","2","10","10","1") = "9"
    & skf18("1","10","10","3","1","1","1") = "9"
    & skf18("1","10","10","3","1","2","1") = "9"
    & skf18("1","10","10","3","1","3","1") = "9"
    & skf18("1","10","10","3","1","4","1") = "9"
    & skf18("1","10","10","3","1","5","1") = "9"
    & skf18("1","10","10","3","1","6","1") = "9"
    & skf18("1","10","10","3","1","7","1") = "9"
    & skf18("1","10","10","3","1","8","1") = "9"
    & skf18("1","10","10","3","1","9","1") = "9"
    & skf18("1","10","10","3","1","10","1") = "9"
    & skf18("1","10","10","3","2","1","1") = "9"
    & skf18("1","10","10","3","2","2","1") = "9"
    & skf18("1","10","10","3","2","3","1") = "9"
    & skf18("1","10","10","3","2","4","1") = "9"
    & skf18("1","10","10","3","2","5","1") = "9"
    & skf18("1","10","10","3","2","6","1") = "9"
    & skf18("1","10","10","3","2","7","1") = "9"
    & skf18("1","10","10","3","2","8","1") = "9"
    & skf18("1","10","10","3","2","9","1") = "9"
    & skf18("1","10","10","3","2","10","1") = "9"
    & skf18("1","10","10","3","3","1","1") = "9"
    & skf18("1","10","10","3","3","2","1") = "9"
    & skf18("1","10","10","3","3","3","1") = "9"
    & skf18("1","10","10","3","3","4","1") = "9"
    & skf18("1","10","10","3","3","5","1") = "9"
    & skf18("1","10","10","3","3","6","1") = "9"
    & skf18("1","10","10","3","3","7","1") = "9"
    & skf18("1","10","10","3","3","8","1") = "9"
    & skf18("1","10","10","3","3","9","1") = "9"
    & skf18("1","10","10","3","3","10","1") = "9"
    & skf18("1","10","10","3","4","1","1") = "9"
    & skf18("1","10","10","3","4","2","1") = "9"
    & skf18("1","10","10","3","4","3","1") = "9"
    & skf18("1","10","10","3","4","4","1") = "9"
    & skf18("1","10","10","3","4","5","1") = "9"
    & skf18("1","10","10","3","4","6","1") = "9"
    & skf18("1","10","10","3","4","7","1") = "9"
    & skf18("1","10","10","3","4","8","1") = "9"
    & skf18("1","10","10","3","4","9","1") = "9"
    & skf18("1","10","10","3","4","10","1") = "9"
    & skf18("1","10","10","3","5","1","1") = "9"
    & skf18("1","10","10","3","5","2","1") = "9"
    & skf18("1","10","10","3","5","3","1") = "9"
    & skf18("1","10","10","3","5","4","1") = "9"
    & skf18("1","10","10","3","5","5","1") = "9"
    & skf18("1","10","10","3","5","6","1") = "9"
    & skf18("1","10","10","3","5","7","1") = "9"
    & skf18("1","10","10","3","5","8","1") = "9"
    & skf18("1","10","10","3","5","9","1") = "9"
    & skf18("1","10","10","3","5","10","1") = "9"
    & skf18("1","10","10","3","6","1","1") = "9"
    & skf18("1","10","10","3","6","2","1") = "9"
    & skf18("1","10","10","3","6","3","1") = "9"
    & skf18("1","10","10","3","6","4","1") = "9"
    & skf18("1","10","10","3","6","5","1") = "9"
    & skf18("1","10","10","3","6","6","1") = "9"
    & skf18("1","10","10","3","6","7","1") = "9"
    & skf18("1","10","10","3","6","8","1") = "9"
    & skf18("1","10","10","3","6","9","1") = "9"
    & skf18("1","10","10","3","6","10","1") = "9"
    & skf18("1","10","10","3","7","1","1") = "9"
    & skf18("1","10","10","3","7","2","1") = "9"
    & skf18("1","10","10","3","7","3","1") = "9"
    & skf18("1","10","10","3","7","4","1") = "9"
    & skf18("1","10","10","3","7","5","1") = "9"
    & skf18("1","10","10","3","7","6","1") = "9"
    & skf18("1","10","10","3","7","7","1") = "9"
    & skf18("1","10","10","3","7","8","1") = "9"
    & skf18("1","10","10","3","7","9","1") = "9"
    & skf18("1","10","10","3","7","10","1") = "9"
    & skf18("1","10","10","3","8","1","1") = "9"
    & skf18("1","10","10","3","8","2","1") = "9"
    & skf18("1","10","10","3","8","3","1") = "9"
    & skf18("1","10","10","3","8","4","1") = "9"
    & skf18("1","10","10","3","8","5","1") = "9"
    & skf18("1","10","10","3","8","6","1") = "9"
    & skf18("1","10","10","3","8","7","1") = "9"
    & skf18("1","10","10","3","8","8","1") = "9"
    & skf18("1","10","10","3","8","9","1") = "9"
    & skf18("1","10","10","3","8","10","1") = "9"
    & skf18("1","10","10","3","9","1","1") = "9"
    & skf18("1","10","10","3","9","2","1") = "9"
    & skf18("1","10","10","3","9","3","1") = "9"
    & skf18("1","10","10","3","9","4","1") = "9"
    & skf18("1","10","10","3","9","5","1") = "9"
    & skf18("1","10","10","3","9","6","1") = "9"
    & skf18("1","10","10","3","9","7","1") = "9"
    & skf18("1","10","10","3","9","8","1") = "9"
    & skf18("1","10","10","3","9","9","1") = "9"
    & skf18("1","10","10","3","9","10","1") = "9"
    & skf18("1","10","10","3","10","1","1") = "9"
    & skf18("1","10","10","3","10","2","1") = "9"
    & skf18("1","10","10","3","10","3","1") = "9"
    & skf18("1","10","10","3","10","4","1") = "9"
    & skf18("1","10","10","3","10","5","1") = "9"
    & skf18("1","10","10","3","10","6","1") = "9"
    & skf18("1","10","10","3","10","7","1") = "9"
    & skf18("1","10","10","3","10","8","1") = "9"
    & skf18("1","10","10","3","10","9","1") = "9"
    & skf18("1","10","10","3","10","10","1") = "9"
    & skf18("1","10","10","4","1","1","1") = "9"
    & skf18("1","10","10","4","1","2","1") = "9"
    & skf18("1","10","10","4","1","3","1") = "9"
    & skf18("1","10","10","4","1","4","1") = "9"
    & skf18("1","10","10","4","1","5","1") = "9"
    & skf18("1","10","10","4","1","6","1") = "9"
    & skf18("1","10","10","4","1","7","1") = "9"
    & skf18("1","10","10","4","1","8","1") = "9"
    & skf18("1","10","10","4","1","9","1") = "9"
    & skf18("1","10","10","4","1","10","1") = "9"
    & skf18("1","10","10","4","2","1","1") = "9"
    & skf18("1","10","10","4","2","2","1") = "9"
    & skf18("1","10","10","4","2","3","1") = "9"
    & skf18("1","10","10","4","2","4","1") = "9"
    & skf18("1","10","10","4","2","5","1") = "9"
    & skf18("1","10","10","4","2","6","1") = "9"
    & skf18("1","10","10","4","2","7","1") = "9"
    & skf18("1","10","10","4","2","8","1") = "9"
    & skf18("1","10","10","4","2","9","1") = "9"
    & skf18("1","10","10","4","2","10","1") = "9"
    & skf18("1","10","10","4","3","1","1") = "9"
    & skf18("1","10","10","4","3","2","1") = "9"
    & skf18("1","10","10","4","3","3","1") = "9"
    & skf18("1","10","10","4","3","4","1") = "9"
    & skf18("1","10","10","4","3","5","1") = "9"
    & skf18("1","10","10","4","3","6","1") = "9"
    & skf18("1","10","10","4","3","7","1") = "9"
    & skf18("1","10","10","4","3","8","1") = "9"
    & skf18("1","10","10","4","3","9","1") = "9"
    & skf18("1","10","10","4","3","10","1") = "9"
    & skf18("1","10","10","4","4","1","1") = "9"
    & skf18("1","10","10","4","4","2","1") = "9"
    & skf18("1","10","10","4","4","3","1") = "9"
    & skf18("1","10","10","4","4","4","1") = "9"
    & skf18("1","10","10","4","4","5","1") = "9"
    & skf18("1","10","10","4","4","6","1") = "9"
    & skf18("1","10","10","4","4","7","1") = "9"
    & skf18("1","10","10","4","4","8","1") = "9"
    & skf18("1","10","10","4","4","9","1") = "9"
    & skf18("1","10","10","4","4","10","1") = "9"
    & skf18("1","10","10","4","5","1","1") = "9"
    & skf18("1","10","10","4","5","2","1") = "9"
    & skf18("1","10","10","4","5","3","1") = "9"
    & skf18("1","10","10","4","5","4","1") = "9"
    & skf18("1","10","10","4","5","5","1") = "9"
    & skf18("1","10","10","4","5","6","1") = "9"
    & skf18("1","10","10","4","5","7","1") = "9"
    & skf18("1","10","10","4","5","8","1") = "9"
    & skf18("1","10","10","4","5","9","1") = "9"
    & skf18("1","10","10","4","5","10","1") = "9"
    & skf18("1","10","10","4","6","1","1") = "9"
    & skf18("1","10","10","4","6","2","1") = "9"
    & skf18("1","10","10","4","6","3","1") = "9"
    & skf18("1","10","10","4","6","4","1") = "9"
    & skf18("1","10","10","4","6","5","1") = "9"
    & skf18("1","10","10","4","6","6","1") = "9"
    & skf18("1","10","10","4","6","7","1") = "9"
    & skf18("1","10","10","4","6","8","1") = "9"
    & skf18("1","10","10","4","6","9","1") = "9"
    & skf18("1","10","10","4","6","10","1") = "9"
    & skf18("1","10","10","4","7","1","1") = "9"
    & skf18("1","10","10","4","7","2","1") = "9"
    & skf18("1","10","10","4","7","3","1") = "9"
    & skf18("1","10","10","4","7","4","1") = "9"
    & skf18("1","10","10","4","7","5","1") = "9"
    & skf18("1","10","10","4","7","6","1") = "9"
    & skf18("1","10","10","4","7","7","1") = "9"
    & skf18("1","10","10","4","7","8","1") = "9"
    & skf18("1","10","10","4","7","9","1") = "9"
    & skf18("1","10","10","4","7","10","1") = "9"
    & skf18("1","10","10","4","8","1","1") = "9"
    & skf18("1","10","10","4","8","2","1") = "9"
    & skf18("1","10","10","4","8","3","1") = "9"
    & skf18("1","10","10","4","8","4","1") = "9"
    & skf18("1","10","10","4","8","5","1") = "9"
    & skf18("1","10","10","4","8","6","1") = "9"
    & skf18("1","10","10","4","8","7","1") = "9"
    & skf18("1","10","10","4","8","8","1") = "9"
    & skf18("1","10","10","4","8","9","1") = "9"
    & skf18("1","10","10","4","8","10","1") = "9"
    & skf18("1","10","10","4","9","1","1") = "9"
    & skf18("1","10","10","4","9","2","1") = "9"
    & skf18("1","10","10","4","9","3","1") = "9"
    & skf18("1","10","10","4","9","4","1") = "9"
    & skf18("1","10","10","4","9","5","1") = "9"
    & skf18("1","10","10","4","9","6","1") = "9"
    & skf18("1","10","10","4","9","7","1") = "9"
    & skf18("1","10","10","4","9","8","1") = "9"
    & skf18("1","10","10","4","9","9","1") = "9"
    & skf18("1","10","10","4","9","10","1") = "9"
    & skf18("1","10","10","4","10","1","1") = "9"
    & skf18("1","10","10","4","10","2","1") = "9"
    & skf18("1","10","10","4","10","3","1") = "9"
    & skf18("1","10","10","4","10","4","1") = "9"
    & skf18("1","10","10","4","10","5","1") = "9"
    & skf18("1","10","10","4","10","6","1") = "9"
    & skf18("1","10","10","4","10","7","1") = "9"
    & skf18("1","10","10","4","10","8","1") = "9"
    & skf18("1","10","10","4","10","9","1") = "9"
    & skf18("1","10","10","4","10","10","1") = "9"
    & skf18("1","10","10","5","1","1","1") = "9"
    & skf18("1","10","10","5","1","2","1") = "9"
    & skf18("1","10","10","5","1","3","1") = "9"
    & skf18("1","10","10","5","1","4","1") = "9"
    & skf18("1","10","10","5","1","5","1") = "9"
    & skf18("1","10","10","5","1","6","1") = "9"
    & skf18("1","10","10","5","1","7","1") = "9"
    & skf18("1","10","10","5","1","8","1") = "9"
    & skf18("1","10","10","5","1","9","1") = "9"
    & skf18("1","10","10","5","1","10","1") = "9"
    & skf18("1","10","10","5","2","1","1") = "9"
    & skf18("1","10","10","5","2","2","1") = "9"
    & skf18("1","10","10","5","2","3","1") = "9"
    & skf18("1","10","10","5","2","4","1") = "9"
    & skf18("1","10","10","5","2","5","1") = "9"
    & skf18("1","10","10","5","2","6","1") = "9"
    & skf18("1","10","10","5","2","7","1") = "9"
    & skf18("1","10","10","5","2","8","1") = "9"
    & skf18("1","10","10","5","2","9","1") = "9"
    & skf18("1","10","10","5","2","10","1") = "9"
    & skf18("1","10","10","5","3","1","1") = "9"
    & skf18("1","10","10","5","3","2","1") = "9"
    & skf18("1","10","10","5","3","3","1") = "9"
    & skf18("1","10","10","5","3","4","1") = "9"
    & skf18("1","10","10","5","3","5","1") = "9"
    & skf18("1","10","10","5","3","6","1") = "9"
    & skf18("1","10","10","5","3","7","1") = "9"
    & skf18("1","10","10","5","3","8","1") = "9"
    & skf18("1","10","10","5","3","9","1") = "9"
    & skf18("1","10","10","5","3","10","1") = "9"
    & skf18("1","10","10","5","4","1","1") = "9"
    & skf18("1","10","10","5","4","2","1") = "9"
    & skf18("1","10","10","5","4","3","1") = "9"
    & skf18("1","10","10","5","4","4","1") = "9"
    & skf18("1","10","10","5","4","5","1") = "9"
    & skf18("1","10","10","5","4","6","1") = "9"
    & skf18("1","10","10","5","4","7","1") = "9"
    & skf18("1","10","10","5","4","8","1") = "9"
    & skf18("1","10","10","5","4","9","1") = "9"
    & skf18("1","10","10","5","4","10","1") = "9"
    & skf18("1","10","10","5","5","1","1") = "9"
    & skf18("1","10","10","5","5","2","1") = "9"
    & skf18("1","10","10","5","5","3","1") = "9"
    & skf18("1","10","10","5","5","4","1") = "9"
    & skf18("1","10","10","5","5","5","1") = "9"
    & skf18("1","10","10","5","5","6","1") = "9"
    & skf18("1","10","10","5","5","7","1") = "9"
    & skf18("1","10","10","5","5","8","1") = "9"
    & skf18("1","10","10","5","5","9","1") = "9"
    & skf18("1","10","10","5","5","10","1") = "9"
    & skf18("1","10","10","5","6","1","1") = "9"
    & skf18("1","10","10","5","6","2","1") = "9"
    & skf18("1","10","10","5","6","3","1") = "9"
    & skf18("1","10","10","5","6","4","1") = "9"
    & skf18("1","10","10","5","6","5","1") = "9"
    & skf18("1","10","10","5","6","6","1") = "9"
    & skf18("1","10","10","5","6","7","1") = "9"
    & skf18("1","10","10","5","6","8","1") = "9"
    & skf18("1","10","10","5","6","9","1") = "9"
    & skf18("1","10","10","5","6","10","1") = "9"
    & skf18("1","10","10","5","7","1","1") = "9"
    & skf18("1","10","10","5","7","2","1") = "9"
    & skf18("1","10","10","5","7","3","1") = "9"
    & skf18("1","10","10","5","7","4","1") = "9"
    & skf18("1","10","10","5","7","5","1") = "9"
    & skf18("1","10","10","5","7","6","1") = "9"
    & skf18("1","10","10","5","7","7","1") = "9"
    & skf18("1","10","10","5","7","8","1") = "9"
    & skf18("1","10","10","5","7","9","1") = "9"
    & skf18("1","10","10","5","7","10","1") = "9"
    & skf18("1","10","10","5","8","1","1") = "9"
    & skf18("1","10","10","5","8","2","1") = "9"
    & skf18("1","10","10","5","8","3","1") = "9"
    & skf18("1","10","10","5","8","4","1") = "9"
    & skf18("1","10","10","5","8","5","1") = "9"
    & skf18("1","10","10","5","8","6","1") = "9"
    & skf18("1","10","10","5","8","7","1") = "9"
    & skf18("1","10","10","5","8","8","1") = "9"
    & skf18("1","10","10","5","8","9","1") = "9"
    & skf18("1","10","10","5","8","10","1") = "9"
    & skf18("1","10","10","5","9","1","1") = "9"
    & skf18("1","10","10","5","9","2","1") = "9"
    & skf18("1","10","10","5","9","3","1") = "9"
    & skf18("1","10","10","5","9","4","1") = "9"
    & skf18("1","10","10","5","9","5","1") = "9"
    & skf18("1","10","10","5","9","6","1") = "9"
    & skf18("1","10","10","5","9","7","1") = "9"
    & skf18("1","10","10","5","9","8","1") = "9"
    & skf18("1","10","10","5","9","9","1") = "9"
    & skf18("1","10","10","5","9","10","1") = "9"
    & skf18("1","10","10","5","10","1","1") = "9"
    & skf18("1","10","10","5","10","2","1") = "9"
    & skf18("1","10","10","5","10","3","1") = "9"
    & skf18("1","10","10","5","10","4","1") = "9"
    & skf18("1","10","10","5","10","5","1") = "9"
    & skf18("1","10","10","5","10","6","1") = "9"
    & skf18("1","10","10","5","10","7","1") = "9"
    & skf18("1","10","10","5","10","8","1") = "9"
    & skf18("1","10","10","5","10","9","1") = "9"
    & skf18("1","10","10","5","10","10","1") = "9"
    & skf18("1","10","10","6","1","1","1") = "9"
    & skf18("1","10","10","6","1","2","1") = "9"
    & skf18("1","10","10","6","1","3","1") = "9"
    & skf18("1","10","10","6","1","4","1") = "9"
    & skf18("1","10","10","6","1","5","1") = "9"
    & skf18("1","10","10","6","1","6","1") = "9"
    & skf18("1","10","10","6","1","7","1") = "9"
    & skf18("1","10","10","6","1","8","1") = "9"
    & skf18("1","10","10","6","1","9","1") = "9"
    & skf18("1","10","10","6","1","10","1") = "9"
    & skf18("1","10","10","6","2","1","1") = "9"
    & skf18("1","10","10","6","2","2","1") = "9"
    & skf18("1","10","10","6","2","3","1") = "9"
    & skf18("1","10","10","6","2","4","1") = "9"
    & skf18("1","10","10","6","2","5","1") = "9"
    & skf18("1","10","10","6","2","6","1") = "9"
    & skf18("1","10","10","6","2","7","1") = "9"
    & skf18("1","10","10","6","2","8","1") = "9"
    & skf18("1","10","10","6","2","9","1") = "9"
    & skf18("1","10","10","6","2","10","1") = "9"
    & skf18("1","10","10","6","3","1","1") = "9"
    & skf18("1","10","10","6","3","2","1") = "9"
    & skf18("1","10","10","6","3","3","1") = "9"
    & skf18("1","10","10","6","3","4","1") = "9"
    & skf18("1","10","10","6","3","5","1") = "9"
    & skf18("1","10","10","6","3","6","1") = "9"
    & skf18("1","10","10","6","3","7","1") = "9"
    & skf18("1","10","10","6","3","8","1") = "9"
    & skf18("1","10","10","6","3","9","1") = "9"
    & skf18("1","10","10","6","3","10","1") = "9"
    & skf18("1","10","10","6","4","1","1") = "9"
    & skf18("1","10","10","6","4","2","1") = "9"
    & skf18("1","10","10","6","4","3","1") = "9"
    & skf18("1","10","10","6","4","4","1") = "9"
    & skf18("1","10","10","6","4","5","1") = "9"
    & skf18("1","10","10","6","4","6","1") = "9"
    & skf18("1","10","10","6","4","7","1") = "9"
    & skf18("1","10","10","6","4","8","1") = "9"
    & skf18("1","10","10","6","4","9","1") = "9"
    & skf18("1","10","10","6","4","10","1") = "9"
    & skf18("1","10","10","6","5","1","1") = "9"
    & skf18("1","10","10","6","5","2","1") = "9"
    & skf18("1","10","10","6","5","3","1") = "9"
    & skf18("1","10","10","6","5","4","1") = "9"
    & skf18("1","10","10","6","5","5","1") = "9"
    & skf18("1","10","10","6","5","6","1") = "9"
    & skf18("1","10","10","6","5","7","1") = "9"
    & skf18("1","10","10","6","5","8","1") = "9"
    & skf18("1","10","10","6","5","9","1") = "9"
    & skf18("1","10","10","6","5","10","1") = "9"
    & skf18("1","10","10","6","6","1","1") = "9"
    & skf18("1","10","10","6","6","2","1") = "9"
    & skf18("1","10","10","6","6","3","1") = "9"
    & skf18("1","10","10","6","6","4","1") = "9"
    & skf18("1","10","10","6","6","5","1") = "9"
    & skf18("1","10","10","6","6","6","1") = "9"
    & skf18("1","10","10","6","6","7","1") = "9"
    & skf18("1","10","10","6","6","8","1") = "9"
    & skf18("1","10","10","6","6","9","1") = "9"
    & skf18("1","10","10","6","6","10","1") = "9"
    & skf18("1","10","10","6","7","1","1") = "9"
    & skf18("1","10","10","6","7","2","1") = "9"
    & skf18("1","10","10","6","7","3","1") = "9"
    & skf18("1","10","10","6","7","4","1") = "9"
    & skf18("1","10","10","6","7","5","1") = "9"
    & skf18("1","10","10","6","7","6","1") = "9"
    & skf18("1","10","10","6","7","7","1") = "9"
    & skf18("1","10","10","6","7","8","1") = "9"
    & skf18("1","10","10","6","7","9","1") = "9"
    & skf18("1","10","10","6","7","10","1") = "9"
    & skf18("1","10","10","6","8","1","1") = "9"
    & skf18("1","10","10","6","8","2","1") = "9"
    & skf18("1","10","10","6","8","3","1") = "9"
    & skf18("1","10","10","6","8","4","1") = "9"
    & skf18("1","10","10","6","8","5","1") = "9"
    & skf18("1","10","10","6","8","6","1") = "9"
    & skf18("1","10","10","6","8","7","1") = "9"
    & skf18("1","10","10","6","8","8","1") = "9"
    & skf18("1","10","10","6","8","9","1") = "9"
    & skf18("1","10","10","6","8","10","1") = "9"
    & skf18("1","10","10","6","9","1","1") = "9"
    & skf18("1","10","10","6","9","2","1") = "9"
    & skf18("1","10","10","6","9","3","1") = "9"
    & skf18("1","10","10","6","9","4","1") = "9"
    & skf18("1","10","10","6","9","5","1") = "9"
    & skf18("1","10","10","6","9","6","1") = "9"
    & skf18("1","10","10","6","9","7","1") = "9"
    & skf18("1","10","10","6","9","8","1") = "9"
    & skf18("1","10","10","6","9","9","1") = "9"
    & skf18("1","10","10","6","9","10","1") = "9"
    & skf18("1","10","10","6","10","1","1") = "9"
    & skf18("1","10","10","6","10","2","1") = "9"
    & skf18("1","10","10","6","10","3","1") = "9"
    & skf18("1","10","10","6","10","4","1") = "9"
    & skf18("1","10","10","6","10","5","1") = "9"
    & skf18("1","10","10","6","10","6","1") = "9"
    & skf18("1","10","10","6","10","7","1") = "9"
    & skf18("1","10","10","6","10","8","1") = "9"
    & skf18("1","10","10","6","10","9","1") = "9"
    & skf18("1","10","10","6","10","10","1") = "9"
    & skf18("1","10","10","7","1","1","1") = "9"
    & skf18("1","10","10","7","1","2","1") = "9"
    & skf18("1","10","10","7","1","3","1") = "9"
    & skf18("1","10","10","7","1","4","1") = "9"
    & skf18("1","10","10","7","1","5","1") = "9"
    & skf18("1","10","10","7","1","6","1") = "9"
    & skf18("1","10","10","7","1","7","1") = "9"
    & skf18("1","10","10","7","1","8","1") = "9"
    & skf18("1","10","10","7","1","9","1") = "9"
    & skf18("1","10","10","7","1","10","1") = "9"
    & skf18("1","10","10","7","2","1","1") = "9"
    & skf18("1","10","10","7","2","2","1") = "9"
    & skf18("1","10","10","7","2","3","1") = "9"
    & skf18("1","10","10","7","2","4","1") = "9"
    & skf18("1","10","10","7","2","5","1") = "9"
    & skf18("1","10","10","7","2","6","1") = "9"
    & skf18("1","10","10","7","2","7","1") = "9"
    & skf18("1","10","10","7","2","8","1") = "9"
    & skf18("1","10","10","7","2","9","1") = "9"
    & skf18("1","10","10","7","2","10","1") = "9"
    & skf18("1","10","10","7","3","1","1") = "9"
    & skf18("1","10","10","7","3","2","1") = "9"
    & skf18("1","10","10","7","3","3","1") = "9"
    & skf18("1","10","10","7","3","4","1") = "9"
    & skf18("1","10","10","7","3","5","1") = "9"
    & skf18("1","10","10","7","3","6","1") = "9"
    & skf18("1","10","10","7","3","7","1") = "9"
    & skf18("1","10","10","7","3","8","1") = "9"
    & skf18("1","10","10","7","3","9","1") = "9"
    & skf18("1","10","10","7","3","10","1") = "9"
    & skf18("1","10","10","7","4","1","1") = "9"
    & skf18("1","10","10","7","4","2","1") = "9"
    & skf18("1","10","10","7","4","3","1") = "9"
    & skf18("1","10","10","7","4","4","1") = "9"
    & skf18("1","10","10","7","4","5","1") = "9"
    & skf18("1","10","10","7","4","6","1") = "9"
    & skf18("1","10","10","7","4","7","1") = "9"
    & skf18("1","10","10","7","4","8","1") = "9"
    & skf18("1","10","10","7","4","9","1") = "9"
    & skf18("1","10","10","7","4","10","1") = "9"
    & skf18("1","10","10","7","5","1","1") = "9"
    & skf18("1","10","10","7","5","2","1") = "9"
    & skf18("1","10","10","7","5","3","1") = "9"
    & skf18("1","10","10","7","5","4","1") = "9"
    & skf18("1","10","10","7","5","5","1") = "9"
    & skf18("1","10","10","7","5","6","1") = "9"
    & skf18("1","10","10","7","5","7","1") = "9"
    & skf18("1","10","10","7","5","8","1") = "9"
    & skf18("1","10","10","7","5","9","1") = "9"
    & skf18("1","10","10","7","5","10","1") = "9"
    & skf18("1","10","10","7","6","1","1") = "9"
    & skf18("1","10","10","7","6","2","1") = "9"
    & skf18("1","10","10","7","6","3","1") = "9"
    & skf18("1","10","10","7","6","4","1") = "9"
    & skf18("1","10","10","7","6","5","1") = "9"
    & skf18("1","10","10","7","6","6","1") = "9"
    & skf18("1","10","10","7","6","7","1") = "9"
    & skf18("1","10","10","7","6","8","1") = "9"
    & skf18("1","10","10","7","6","9","1") = "9"
    & skf18("1","10","10","7","6","10","1") = "9"
    & skf18("1","10","10","7","7","1","1") = "9"
    & skf18("1","10","10","7","7","2","1") = "9"
    & skf18("1","10","10","7","7","3","1") = "9"
    & skf18("1","10","10","7","7","4","1") = "9"
    & skf18("1","10","10","7","7","5","1") = "9"
    & skf18("1","10","10","7","7","6","1") = "9"
    & skf18("1","10","10","7","7","7","1") = "9"
    & skf18("1","10","10","7","7","8","1") = "9"
    & skf18("1","10","10","7","7","9","1") = "9"
    & skf18("1","10","10","7","7","10","1") = "9"
    & skf18("1","10","10","7","8","1","1") = "9"
    & skf18("1","10","10","7","8","2","1") = "9"
    & skf18("1","10","10","7","8","3","1") = "9"
    & skf18("1","10","10","7","8","4","1") = "9"
    & skf18("1","10","10","7","8","5","1") = "9"
    & skf18("1","10","10","7","8","6","1") = "9"
    & skf18("1","10","10","7","8","7","1") = "9"
    & skf18("1","10","10","7","8","8","1") = "9"
    & skf18("1","10","10","7","8","9","1") = "9"
    & skf18("1","10","10","7","8","10","1") = "9"
    & skf18("1","10","10","7","9","1","1") = "9"
    & skf18("1","10","10","7","9","2","1") = "9"
    & skf18("1","10","10","7","9","3","1") = "9"
    & skf18("1","10","10","7","9","4","1") = "9"
    & skf18("1","10","10","7","9","5","1") = "9"
    & skf18("1","10","10","7","9","6","1") = "9"
    & skf18("1","10","10","7","9","7","1") = "9"
    & skf18("1","10","10","7","9","8","1") = "9"
    & skf18("1","10","10","7","9","9","1") = "9"
    & skf18("1","10","10","7","9","10","1") = "9"
    & skf18("1","10","10","7","10","1","1") = "9"
    & skf18("1","10","10","7","10","2","1") = "9"
    & skf18("1","10","10","7","10","3","1") = "9"
    & skf18("1","10","10","7","10","4","1") = "9"
    & skf18("1","10","10","7","10","5","1") = "9"
    & skf18("1","10","10","7","10","6","1") = "9"
    & skf18("1","10","10","7","10","7","1") = "9"
    & skf18("1","10","10","7","10","8","1") = "9"
    & skf18("1","10","10","7","10","9","1") = "9"
    & skf18("1","10","10","7","10","10","1") = "9"
    & skf18("1","10","10","8","1","1","1") = "9"
    & skf18("1","10","10","8","1","2","1") = "9"
    & skf18("1","10","10","8","1","3","1") = "9"
    & skf18("1","10","10","8","1","4","1") = "9"
    & skf18("1","10","10","8","1","5","1") = "9"
    & skf18("1","10","10","8","1","6","1") = "9"
    & skf18("1","10","10","8","1","7","1") = "9"
    & skf18("1","10","10","8","1","8","1") = "9"
    & skf18("1","10","10","8","1","9","1") = "9"
    & skf18("1","10","10","8","1","10","1") = "9"
    & skf18("1","10","10","8","2","1","1") = "9"
    & skf18("1","10","10","8","2","2","1") = "9"
    & skf18("1","10","10","8","2","3","1") = "9"
    & skf18("1","10","10","8","2","4","1") = "9"
    & skf18("1","10","10","8","2","5","1") = "9"
    & skf18("1","10","10","8","2","6","1") = "9"
    & skf18("1","10","10","8","2","7","1") = "9"
    & skf18("1","10","10","8","2","8","1") = "9"
    & skf18("1","10","10","8","2","9","1") = "9"
    & skf18("1","10","10","8","2","10","1") = "9"
    & skf18("1","10","10","8","3","1","1") = "9"
    & skf18("1","10","10","8","3","2","1") = "9"
    & skf18("1","10","10","8","3","3","1") = "9"
    & skf18("1","10","10","8","3","4","1") = "9"
    & skf18("1","10","10","8","3","5","1") = "9"
    & skf18("1","10","10","8","3","6","1") = "9"
    & skf18("1","10","10","8","3","7","1") = "9"
    & skf18("1","10","10","8","3","8","1") = "9"
    & skf18("1","10","10","8","3","9","1") = "9"
    & skf18("1","10","10","8","3","10","1") = "9"
    & skf18("1","10","10","8","4","1","1") = "9"
    & skf18("1","10","10","8","4","2","1") = "9"
    & skf18("1","10","10","8","4","3","1") = "9"
    & skf18("1","10","10","8","4","4","1") = "9"
    & skf18("1","10","10","8","4","5","1") = "9"
    & skf18("1","10","10","8","4","6","1") = "9"
    & skf18("1","10","10","8","4","7","1") = "9"
    & skf18("1","10","10","8","4","8","1") = "9"
    & skf18("1","10","10","8","4","9","1") = "9"
    & skf18("1","10","10","8","4","10","1") = "9"
    & skf18("1","10","10","8","5","1","1") = "9"
    & skf18("1","10","10","8","5","2","1") = "9"
    & skf18("1","10","10","8","5","3","1") = "9"
    & skf18("1","10","10","8","5","4","1") = "9"
    & skf18("1","10","10","8","5","5","1") = "9"
    & skf18("1","10","10","8","5","6","1") = "9"
    & skf18("1","10","10","8","5","7","1") = "9"
    & skf18("1","10","10","8","5","8","1") = "9"
    & skf18("1","10","10","8","5","9","1") = "9"
    & skf18("1","10","10","8","5","10","1") = "9"
    & skf18("1","10","10","8","6","1","1") = "9"
    & skf18("1","10","10","8","6","2","1") = "9"
    & skf18("1","10","10","8","6","3","1") = "9"
    & skf18("1","10","10","8","6","4","1") = "9"
    & skf18("1","10","10","8","6","5","1") = "9"
    & skf18("1","10","10","8","6","6","1") = "9"
    & skf18("1","10","10","8","6","7","1") = "9"
    & skf18("1","10","10","8","6","8","1") = "9"
    & skf18("1","10","10","8","6","9","1") = "9"
    & skf18("1","10","10","8","6","10","1") = "9"
    & skf18("1","10","10","8","7","1","1") = "9"
    & skf18("1","10","10","8","7","2","1") = "9"
    & skf18("1","10","10","8","7","3","1") = "9"
    & skf18("1","10","10","8","7","4","1") = "9"
    & skf18("1","10","10","8","7","5","1") = "9"
    & skf18("1","10","10","8","7","6","1") = "9"
    & skf18("1","10","10","8","7","7","1") = "9"
    & skf18("1","10","10","8","7","8","1") = "9"
    & skf18("1","10","10","8","7","9","1") = "9"
    & skf18("1","10","10","8","7","10","1") = "9"
    & skf18("1","10","10","8","8","1","1") = "9"
    & skf18("1","10","10","8","8","2","1") = "9"
    & skf18("1","10","10","8","8","3","1") = "9"
    & skf18("1","10","10","8","8","4","1") = "9"
    & skf18("1","10","10","8","8","5","1") = "9"
    & skf18("1","10","10","8","8","6","1") = "9"
    & skf18("1","10","10","8","8","7","1") = "9"
    & skf18("1","10","10","8","8","8","1") = "9"
    & skf18("1","10","10","8","8","9","1") = "9"
    & skf18("1","10","10","8","8","10","1") = "9"
    & skf18("1","10","10","8","9","1","1") = "9"
    & skf18("1","10","10","8","9","2","1") = "9"
    & skf18("1","10","10","8","9","3","1") = "9"
    & skf18("1","10","10","8","9","4","1") = "9"
    & skf18("1","10","10","8","9","5","1") = "9"
    & skf18("1","10","10","8","9","6","1") = "9"
    & skf18("1","10","10","8","9","7","1") = "9"
    & skf18("1","10","10","8","9","8","1") = "9"
    & skf18("1","10","10","8","9","9","1") = "9"
    & skf18("1","10","10","8","9","10","1") = "9"
    & skf18("1","10","10","8","10","1","1") = "9"
    & skf18("1","10","10","8","10","2","1") = "9"
    & skf18("1","10","10","8","10","3","1") = "9"
    & skf18("1","10","10","8","10","4","1") = "9"
    & skf18("1","10","10","8","10","5","1") = "9"
    & skf18("1","10","10","8","10","6","1") = "9"
    & skf18("1","10","10","8","10","7","1") = "9"
    & skf18("1","10","10","8","10","8","1") = "9"
    & skf18("1","10","10","8","10","9","1") = "9"
    & skf18("1","10","10","8","10","10","1") = "9"
    & skf18("1","10","10","9","1","1","1") = "9"
    & skf18("1","10","10","9","1","2","1") = "9"
    & skf18("1","10","10","9","1","3","1") = "9"
    & skf18("1","10","10","9","1","4","1") = "9"
    & skf18("1","10","10","9","1","5","1") = "9"
    & skf18("1","10","10","9","1","6","1") = "9"
    & skf18("1","10","10","9","1","7","1") = "9"
    & skf18("1","10","10","9","1","8","1") = "9"
    & skf18("1","10","10","9","1","9","1") = "9"
    & skf18("1","10","10","9","1","10","1") = "9"
    & skf18("1","10","10","9","2","1","1") = "9"
    & skf18("1","10","10","9","2","2","1") = "9"
    & skf18("1","10","10","9","2","3","1") = "9"
    & skf18("1","10","10","9","2","4","1") = "9"
    & skf18("1","10","10","9","2","5","1") = "9"
    & skf18("1","10","10","9","2","6","1") = "9"
    & skf18("1","10","10","9","2","7","1") = "9"
    & skf18("1","10","10","9","2","8","1") = "9"
    & skf18("1","10","10","9","2","9","1") = "9"
    & skf18("1","10","10","9","2","10","1") = "9"
    & skf18("1","10","10","9","3","1","1") = "9"
    & skf18("1","10","10","9","3","2","1") = "9"
    & skf18("1","10","10","9","3","3","1") = "9"
    & skf18("1","10","10","9","3","4","1") = "9"
    & skf18("1","10","10","9","3","5","1") = "9"
    & skf18("1","10","10","9","3","6","1") = "9"
    & skf18("1","10","10","9","3","7","1") = "9"
    & skf18("1","10","10","9","3","8","1") = "9"
    & skf18("1","10","10","9","3","9","1") = "9"
    & skf18("1","10","10","9","3","10","1") = "9"
    & skf18("1","10","10","9","4","1","1") = "9"
    & skf18("1","10","10","9","4","2","1") = "9"
    & skf18("1","10","10","9","4","3","1") = "9"
    & skf18("1","10","10","9","4","4","1") = "9"
    & skf18("1","10","10","9","4","5","1") = "9"
    & skf18("1","10","10","9","4","6","1") = "9"
    & skf18("1","10","10","9","4","7","1") = "9"
    & skf18("1","10","10","9","4","8","1") = "9"
    & skf18("1","10","10","9","4","9","1") = "9"
    & skf18("1","10","10","9","4","10","1") = "9"
    & skf18("1","10","10","9","5","1","1") = "9"
    & skf18("1","10","10","9","5","2","1") = "9"
    & skf18("1","10","10","9","5","3","1") = "9"
    & skf18("1","10","10","9","5","4","1") = "9"
    & skf18("1","10","10","9","5","5","1") = "9"
    & skf18("1","10","10","9","5","6","1") = "9"
    & skf18("1","10","10","9","5","7","1") = "9"
    & skf18("1","10","10","9","5","8","1") = "9"
    & skf18("1","10","10","9","5","9","1") = "9"
    & skf18("1","10","10","9","5","10","1") = "9"
    & skf18("1","10","10","9","6","1","1") = "9"
    & skf18("1","10","10","9","6","2","1") = "9"
    & skf18("1","10","10","9","6","3","1") = "9"
    & skf18("1","10","10","9","6","4","1") = "9"
    & skf18("1","10","10","9","6","5","1") = "9"
    & skf18("1","10","10","9","6","6","1") = "9"
    & skf18("1","10","10","9","6","7","1") = "9"
    & skf18("1","10","10","9","6","8","1") = "9"
    & skf18("1","10","10","9","6","9","1") = "9"
    & skf18("1","10","10","9","6","10","1") = "9"
    & skf18("1","10","10","9","7","1","1") = "9"
    & skf18("1","10","10","9","7","2","1") = "9"
    & skf18("1","10","10","9","7","3","1") = "9"
    & skf18("1","10","10","9","7","4","1") = "9"
    & skf18("1","10","10","9","7","5","1") = "9"
    & skf18("1","10","10","9","7","6","1") = "9"
    & skf18("1","10","10","9","7","7","1") = "9"
    & skf18("1","10","10","9","7","8","1") = "9"
    & skf18("1","10","10","9","7","9","1") = "9"
    & skf18("1","10","10","9","7","10","1") = "9"
    & skf18("1","10","10","9","8","1","1") = "9"
    & skf18("1","10","10","9","8","2","1") = "9"
    & skf18("1","10","10","9","8","3","1") = "9"
    & skf18("1","10","10","9","8","4","1") = "9"
    & skf18("1","10","10","9","8","5","1") = "9"
    & skf18("1","10","10","9","8","6","1") = "9"
    & skf18("1","10","10","9","8","7","1") = "9"
    & skf18("1","10","10","9","8","8","1") = "9"
    & skf18("1","10","10","9","8","9","1") = "9"
    & skf18("1","10","10","9","8","10","1") = "9"
    & skf18("1","10","10","9","9","1","1") = "9"
    & skf18("1","10","10","9","9","2","1") = "9"
    & skf18("1","10","10","9","9","3","1") = "9"
    & skf18("1","10","10","9","9","4","1") = "9"
    & skf18("1","10","10","9","9","5","1") = "9"
    & skf18("1","10","10","9","9","6","1") = "9"
    & skf18("1","10","10","9","9","7","1") = "9"
    & skf18("1","10","10","9","9","8","1") = "9"
    & skf18("1","10","10","9","9","9","1") = "9"
    & skf18("1","10","10","9","9","10","1") = "9"
    & skf18("1","10","10","9","10","1","1") = "9"
    & skf18("1","10","10","9","10","2","1") = "9"
    & skf18("1","10","10","9","10","3","1") = "9"
    & skf18("1","10","10","9","10","4","1") = "9"
    & skf18("1","10","10","9","10","5","1") = "9"
    & skf18("1","10","10","9","10","6","1") = "9"
    & skf18("1","10","10","9","10","7","1") = "9"
    & skf18("1","10","10","9","10","8","1") = "9"
    & skf18("1","10","10","9","10","9","1") = "9"
    & skf18("1","10","10","9","10","10","1") = "9"
    & skf18("1","10","10","10","1","1","1") = "9"
    & skf18("1","10","10","10","1","2","1") = "9"
    & skf18("1","10","10","10","1","3","1") = "9"
    & skf18("1","10","10","10","1","4","1") = "9"
    & skf18("1","10","10","10","1","5","1") = "9"
    & skf18("1","10","10","10","1","6","1") = "9"
    & skf18("1","10","10","10","1","7","1") = "9"
    & skf18("1","10","10","10","1","8","1") = "9"
    & skf18("1","10","10","10","1","9","1") = "9"
    & skf18("1","10","10","10","1","10","1") = "9"
    & skf18("1","10","10","10","2","1","1") = "9"
    & skf18("1","10","10","10","2","2","1") = "9"
    & skf18("1","10","10","10","2","3","1") = "9"
    & skf18("1","10","10","10","2","4","1") = "9"
    & skf18("1","10","10","10","2","5","1") = "9"
    & skf18("1","10","10","10","2","6","1") = "9"
    & skf18("1","10","10","10","2","7","1") = "9"
    & skf18("1","10","10","10","2","8","1") = "9"
    & skf18("1","10","10","10","2","9","1") = "9"
    & skf18("1","10","10","10","2","10","1") = "9"
    & skf18("1","10","10","10","3","1","1") = "9"
    & skf18("1","10","10","10","3","2","1") = "9"
    & skf18("1","10","10","10","3","3","1") = "9"
    & skf18("1","10","10","10","3","4","1") = "9"
    & skf18("1","10","10","10","3","5","1") = "9"
    & skf18("1","10","10","10","3","6","1") = "9"
    & skf18("1","10","10","10","3","7","1") = "9"
    & skf18("1","10","10","10","3","8","1") = "9"
    & skf18("1","10","10","10","3","9","1") = "9"
    & skf18("1","10","10","10","3","10","1") = "9"
    & skf18("1","10","10","10","4","1","1") = "9"
    & skf18("1","10","10","10","4","2","1") = "9"
    & skf18("1","10","10","10","4","3","1") = "9"
    & skf18("1","10","10","10","4","4","1") = "9"
    & skf18("1","10","10","10","4","5","1") = "9"
    & skf18("1","10","10","10","4","6","1") = "9"
    & skf18("1","10","10","10","4","7","1") = "9"
    & skf18("1","10","10","10","4","8","1") = "9"
    & skf18("1","10","10","10","4","9","1") = "9"
    & skf18("1","10","10","10","4","10","1") = "9"
    & skf18("1","10","10","10","5","1","1") = "9"
    & skf18("1","10","10","10","5","2","1") = "9"
    & skf18("1","10","10","10","5","3","1") = "9"
    & skf18("1","10","10","10","5","4","1") = "9"
    & skf18("1","10","10","10","5","5","1") = "9"
    & skf18("1","10","10","10","5","6","1") = "9"
    & skf18("1","10","10","10","5","7","1") = "9"
    & skf18("1","10","10","10","5","8","1") = "9"
    & skf18("1","10","10","10","5","9","1") = "9"
    & skf18("1","10","10","10","5","10","1") = "9"
    & skf18("1","10","10","10","6","1","1") = "9"
    & skf18("1","10","10","10","6","2","1") = "9"
    & skf18("1","10","10","10","6","3","1") = "9"
    & skf18("1","10","10","10","6","4","1") = "9"
    & skf18("1","10","10","10","6","5","1") = "9"
    & skf18("1","10","10","10","6","6","1") = "9"
    & skf18("1","10","10","10","6","7","1") = "9"
    & skf18("1","10","10","10","6","8","1") = "9"
    & skf18("1","10","10","10","6","9","1") = "9"
    & skf18("1","10","10","10","6","10","1") = "9"
    & skf18("1","10","10","10","7","1","1") = "9"
    & skf18("1","10","10","10","7","2","1") = "9"
    & skf18("1","10","10","10","7","3","1") = "9"
    & skf18("1","10","10","10","7","4","1") = "9"
    & skf18("1","10","10","10","7","5","1") = "9"
    & skf18("1","10","10","10","7","6","1") = "9"
    & skf18("1","10","10","10","7","7","1") = "9"
    & skf18("1","10","10","10","7","8","1") = "9"
    & skf18("1","10","10","10","7","9","1") = "9"
    & skf18("1","10","10","10","7","10","1") = "9"
    & skf18("1","10","10","10","8","1","1") = "9"
    & skf18("1","10","10","10","8","2","1") = "9"
    & skf18("1","10","10","10","8","3","1") = "9"
    & skf18("1","10","10","10","8","4","1") = "9"
    & skf18("1","10","10","10","8","5","1") = "9"
    & skf18("1","10","10","10","8","6","1") = "9"
    & skf18("1","10","10","10","8","7","1") = "9"
    & skf18("1","10","10","10","8","8","1") = "9"
    & skf18("1","10","10","10","8","9","1") = "9"
    & skf18("1","10","10","10","8","10","1") = "9"
    & skf18("1","10","10","10","9","1","1") = "9"
    & skf18("1","10","10","10","9","2","1") = "9"
    & skf18("1","10","10","10","9","3","1") = "9"
    & skf18("1","10","10","10","9","4","1") = "9"
    & skf18("1","10","10","10","9","5","1") = "9"
    & skf18("1","10","10","10","9","6","1") = "9"
    & skf18("1","10","10","10","9","7","1") = "9"
    & skf18("1","10","10","10","9","8","1") = "9"
    & skf18("1","10","10","10","9","9","1") = "9"
    & skf18("1","10","10","10","9","10","1") = "9"
    & skf18("1","10","10","10","10","1","1") = "9"
    & skf18("1","10","10","10","10","2","1") = "9"
    & skf18("1","10","10","10","10","3","1") = "9"
    & skf18("1","10","10","10","10","4","1") = "9"
    & skf18("1","10","10","10","10","5","1") = "9"
    & skf18("1","10","10","10","10","6","1") = "9"
    & skf18("1","10","10","10","10","7","1") = "9"
    & skf18("1","10","10","10","10","8","1") = "9"
    & skf18("1","10","10","10","10","9","1") = "9"
    & skf18("1","10","10","10","10","10","1") = "9"
    & skf18("2","1","1","1","1","1","1") = "2"
    & skf18("2","1","1","1","1","2","1") = "1"
    & skf18("2","1","1","1","1","3","1") = "2"
    & skf18("2","1","1","1","1","4","1") = "3"
    & skf18("2","1","1","1","1","5","1") = "4"
    & skf18("2","1","1","1","1","6","1") = "5"
    & skf18("2","1","1","1","1","7","1") = "6"
    & skf18("2","1","1","1","1","8","1") = "7"
    & skf18("2","1","1","1","1","9","1") = "8"
    & skf18("2","1","1","1","1","10","1") = "9"
    & skf18("2","1","1","1","2","1","1") = "1"
    & skf18("2","1","1","1","2","2","1") = "1"
    & skf18("2","1","1","1","2","3","1") = "2"
    & skf18("2","1","1","1","2","4","1") = "3"
    & skf18("2","1","1","1","2","5","1") = "4"
    & skf18("2","1","1","1","2","6","1") = "5"
    & skf18("2","1","1","1","2","7","1") = "6"
    & skf18("2","1","1","1","2","8","1") = "7"
    & skf18("2","1","1","1","2","9","1") = "8"
    & skf18("2","1","1","1","2","10","1") = "9"
    & skf18("2","1","1","1","3","1","1") = "2"
    & skf18("2","1","1","1","3","2","1") = "2"
    & skf18("2","1","1","1","3","3","1") = "2"
    & skf18("2","1","1","1","3","4","1") = "3"
    & skf18("2","1","1","1","3","5","1") = "4"
    & skf18("2","1","1","1","3","6","1") = "5"
    & skf18("2","1","1","1","3","7","1") = "6"
    & skf18("2","1","1","1","3","8","1") = "7"
    & skf18("2","1","1","1","3","9","1") = "8"
    & skf18("2","1","1","1","3","10","1") = "9"
    & skf18("2","1","1","1","4","1","1") = "3"
    & skf18("2","1","1","1","4","2","1") = "3"
    & skf18("2","1","1","1","4","3","1") = "3"
    & skf18("2","1","1","1","4","4","1") = "3"
    & skf18("2","1","1","1","4","5","1") = "4"
    & skf18("2","1","1","1","4","6","1") = "5"
    & skf18("2","1","1","1","4","7","1") = "6"
    & skf18("2","1","1","1","4","8","1") = "7"
    & skf18("2","1","1","1","4","9","1") = "8"
    & skf18("2","1","1","1","4","10","1") = "9"
    & skf18("2","1","1","1","5","1","1") = "4"
    & skf18("2","1","1","1","5","2","1") = "4"
    & skf18("2","1","1","1","5","3","1") = "4"
    & skf18("2","1","1","1","5","4","1") = "4"
    & skf18("2","1","1","1","5","5","1") = "4"
    & skf18("2","1","1","1","5","6","1") = "5"
    & skf18("2","1","1","1","5","7","1") = "6"
    & skf18("2","1","1","1","5","8","1") = "7"
    & skf18("2","1","1","1","5","9","1") = "8"
    & skf18("2","1","1","1","5","10","1") = "9"
    & skf18("2","1","1","1","6","1","1") = "5"
    & skf18("2","1","1","1","6","2","1") = "5"
    & skf18("2","1","1","1","6","3","1") = "5"
    & skf18("2","1","1","1","6","4","1") = "5"
    & skf18("2","1","1","1","6","5","1") = "5"
    & skf18("2","1","1","1","6","6","1") = "5"
    & skf18("2","1","1","1","6","7","1") = "6"
    & skf18("2","1","1","1","6","8","1") = "7"
    & skf18("2","1","1","1","6","9","1") = "8"
    & skf18("2","1","1","1","6","10","1") = "9"
    & skf18("2","1","1","1","7","1","1") = "6"
    & skf18("2","1","1","1","7","2","1") = "6"
    & skf18("2","1","1","1","7","3","1") = "6"
    & skf18("2","1","1","1","7","4","1") = "6"
    & skf18("2","1","1","1","7","5","1") = "6"
    & skf18("2","1","1","1","7","6","1") = "6"
    & skf18("2","1","1","1","7","7","1") = "6"
    & skf18("2","1","1","1","7","8","1") = "7"
    & skf18("2","1","1","1","7","9","1") = "8"
    & skf18("2","1","1","1","7","10","1") = "9"
    & skf18("2","1","1","1","8","1","1") = "7"
    & skf18("2","1","1","1","8","2","1") = "7"
    & skf18("2","1","1","1","8","3","1") = "7"
    & skf18("2","1","1","1","8","4","1") = "7"
    & skf18("2","1","1","1","8","5","1") = "7"
    & skf18("2","1","1","1","8","6","1") = "7"
    & skf18("2","1","1","1","8","7","1") = "7"
    & skf18("2","1","1","1","8","8","1") = "7"
    & skf18("2","1","1","1","8","9","1") = "8"
    & skf18("2","1","1","1","8","10","1") = "9"
    & skf18("2","1","1","1","9","1","1") = "8"
    & skf18("2","1","1","1","9","2","1") = "8"
    & skf18("2","1","1","1","9","3","1") = "8"
    & skf18("2","1","1","1","9","4","1") = "8"
    & skf18("2","1","1","1","9","5","1") = "8"
    & skf18("2","1","1","1","9","6","1") = "8"
    & skf18("2","1","1","1","9","7","1") = "8"
    & skf18("2","1","1","1","9","8","1") = "8"
    & skf18("2","1","1","1","9","9","1") = "8"
    & skf18("2","1","1","1","9","10","1") = "9"
    & skf18("2","1","1","1","10","1","1") = "9"
    & skf18("2","1","1","1","10","2","1") = "9"
    & skf18("2","1","1","1","10","3","1") = "9"
    & skf18("2","1","1","1","10","4","1") = "9"
    & skf18("2","1","1","1","10","5","1") = "9"
    & skf18("2","1","1","1","10","6","1") = "9"
    & skf18("2","1","1","1","10","7","1") = "9"
    & skf18("2","1","1","1","10","8","1") = "9"
    & skf18("2","1","1","1","10","9","1") = "9"
    & skf18("2","1","1","1","10","10","1") = "9"
    & skf18("2","1","1","2","1","1","1") = "2"
    & skf18("2","1","1","2","1","2","1") = "1"
    & skf18("2","1","1","2","1","3","1") = "2"
    & skf18("2","1","1","2","1","4","1") = "3"
    & skf18("2","1","1","2","1","5","1") = "4"
    & skf18("2","1","1","2","1","6","1") = "5"
    & skf18("2","1","1","2","1","7","1") = "6"
    & skf18("2","1","1","2","1","8","1") = "7"
    & skf18("2","1","1","2","1","9","1") = "8"
    & skf18("2","1","1","2","1","10","1") = "9"
    & skf18("2","1","1","2","2","1","1") = "1"
    & skf18("2","1","1","2","2","2","1") = "2"
    & skf18("2","1","1","2","2","3","1") = "2"
    & skf18("2","1","1","2","2","4","1") = "3"
    & skf18("2","1","1","2","2","5","1") = "4"
    & skf18("2","1","1","2","2","6","1") = "5"
    & skf18("2","1","1","2","2","7","1") = "6"
    & skf18("2","1","1","2","2","8","1") = "7"
    & skf18("2","1","1","2","2","9","1") = "8"
    & skf18("2","1","1","2","2","10","1") = "9"
    & skf18("2","1","1","2","3","1","1") = "2"
    & skf18("2","1","1","2","3","2","1") = "2"
    & skf18("2","1","1","2","3","3","1") = "2"
    & skf18("2","1","1","2","3","4","1") = "3"
    & skf18("2","1","1","2","3","5","1") = "4"
    & skf18("2","1","1","2","3","6","1") = "5"
    & skf18("2","1","1","2","3","7","1") = "6"
    & skf18("2","1","1","2","3","8","1") = "7"
    & skf18("2","1","1","2","3","9","1") = "8"
    & skf18("2","1","1","2","3","10","1") = "9"
    & skf18("2","1","1","2","4","1","1") = "3"
    & skf18("2","1","1","2","4","2","1") = "3"
    & skf18("2","1","1","2","4","3","1") = "3"
    & skf18("2","1","1","2","4","4","1") = "3"
    & skf18("2","1","1","2","4","5","1") = "4"
    & skf18("2","1","1","2","4","6","1") = "5"
    & skf18("2","1","1","2","4","7","1") = "6"
    & skf18("2","1","1","2","4","8","1") = "7"
    & skf18("2","1","1","2","4","9","1") = "8"
    & skf18("2","1","1","2","4","10","1") = "9"
    & skf18("2","1","1","2","5","1","1") = "4"
    & skf18("2","1","1","2","5","2","1") = "4"
    & skf18("2","1","1","2","5","3","1") = "4"
    & skf18("2","1","1","2","5","4","1") = "4"
    & skf18("2","1","1","2","5","5","1") = "4"
    & skf18("2","1","1","2","5","6","1") = "5"
    & skf18("2","1","1","2","5","7","1") = "6"
    & skf18("2","1","1","2","5","8","1") = "7"
    & skf18("2","1","1","2","5","9","1") = "8"
    & skf18("2","1","1","2","5","10","1") = "9"
    & skf18("2","1","1","2","6","1","1") = "5"
    & skf18("2","1","1","2","6","2","1") = "5"
    & skf18("2","1","1","2","6","3","1") = "5"
    & skf18("2","1","1","2","6","4","1") = "5"
    & skf18("2","1","1","2","6","5","1") = "5"
    & skf18("2","1","1","2","6","6","1") = "5"
    & skf18("2","1","1","2","6","7","1") = "6"
    & skf18("2","1","1","2","6","8","1") = "7"
    & skf18("2","1","1","2","6","9","1") = "8"
    & skf18("2","1","1","2","6","10","1") = "9"
    & skf18("2","1","1","2","7","1","1") = "6"
    & skf18("2","1","1","2","7","2","1") = "6"
    & skf18("2","1","1","2","7","3","1") = "6"
    & skf18("2","1","1","2","7","4","1") = "6"
    & skf18("2","1","1","2","7","5","1") = "6"
    & skf18("2","1","1","2","7","6","1") = "6"
    & skf18("2","1","1","2","7","7","1") = "6"
    & skf18("2","1","1","2","7","8","1") = "7"
    & skf18("2","1","1","2","7","9","1") = "8"
    & skf18("2","1","1","2","7","10","1") = "9"
    & skf18("2","1","1","2","8","1","1") = "7"
    & skf18("2","1","1","2","8","2","1") = "7"
    & skf18("2","1","1","2","8","3","1") = "7"
    & skf18("2","1","1","2","8","4","1") = "7"
    & skf18("2","1","1","2","8","5","1") = "7"
    & skf18("2","1","1","2","8","6","1") = "7"
    & skf18("2","1","1","2","8","7","1") = "7"
    & skf18("2","1","1","2","8","8","1") = "7"
    & skf18("2","1","1","2","8","9","1") = "8"
    & skf18("2","1","1","2","8","10","1") = "9"
    & skf18("2","1","1","2","9","1","1") = "8"
    & skf18("2","1","1","2","9","2","1") = "8"
    & skf18("2","1","1","2","9","3","1") = "8"
    & skf18("2","1","1","2","9","4","1") = "8"
    & skf18("2","1","1","2","9","5","1") = "8"
    & skf18("2","1","1","2","9","6","1") = "8"
    & skf18("2","1","1","2","9","7","1") = "8"
    & skf18("2","1","1","2","9","8","1") = "8"
    & skf18("2","1","1","2","9","9","1") = "8"
    & skf18("2","1","1","2","9","10","1") = "9"
    & skf18("2","1","1","2","10","1","1") = "9"
    & skf18("2","1","1","2","10","2","1") = "9"
    & skf18("2","1","1","2","10","3","1") = "9"
    & skf18("2","1","1","2","10","4","1") = "9"
    & skf18("2","1","1","2","10","5","1") = "9"
    & skf18("2","1","1","2","10","6","1") = "9"
    & skf18("2","1","1","2","10","7","1") = "9"
    & skf18("2","1","1","2","10","8","1") = "9"
    & skf18("2","1","1","2","10","9","1") = "9"
    & skf18("2","1","1","2","10","10","1") = "9"
    & skf18("2","1","1","3","1","1","1") = "2"
    & skf18("2","1","1","3","1","2","1") = "2"
    & skf18("2","1","1","3","1","3","1") = "2"
    & skf18("2","1","1","3","1","4","1") = "3"
    & skf18("2","1","1","3","1","5","1") = "4"
    & skf18("2","1","1","3","1","6","1") = "5"
    & skf18("2","1","1","3","1","7","1") = "6"
    & skf18("2","1","1","3","1","8","1") = "7"
    & skf18("2","1","1","3","1","9","1") = "8"
    & skf18("2","1","1","3","1","10","1") = "9"
    & skf18("2","1","1","3","2","1","1") = "2"
    & skf18("2","1","1","3","2","2","1") = "2"
    & skf18("2","1","1","3","2","3","1") = "2"
    & skf18("2","1","1","3","2","4","1") = "3"
    & skf18("2","1","1","3","2","5","1") = "4"
    & skf18("2","1","1","3","2","6","1") = "5"
    & skf18("2","1","1","3","2","7","1") = "6"
    & skf18("2","1","1","3","2","8","1") = "7"
    & skf18("2","1","1","3","2","9","1") = "8"
    & skf18("2","1","1","3","2","10","1") = "9"
    & skf18("2","1","1","3","3","1","1") = "2"
    & skf18("2","1","1","3","3","2","1") = "2"
    & skf18("2","1","1","3","3","3","1") = "2"
    & skf18("2","1","1","3","3","4","1") = "3"
    & skf18("2","1","1","3","3","5","1") = "4"
    & skf18("2","1","1","3","3","6","1") = "5"
    & skf18("2","1","1","3","3","7","1") = "6"
    & skf18("2","1","1","3","3","8","1") = "7"
    & skf18("2","1","1","3","3","9","1") = "8"
    & skf18("2","1","1","3","3","10","1") = "9"
    & skf18("2","1","1","3","4","1","1") = "3"
    & skf18("2","1","1","3","4","2","1") = "3"
    & skf18("2","1","1","3","4","3","1") = "3"
    & skf18("2","1","1","3","4","4","1") = "3"
    & skf18("2","1","1","3","4","5","1") = "4"
    & skf18("2","1","1","3","4","6","1") = "5"
    & skf18("2","1","1","3","4","7","1") = "6"
    & skf18("2","1","1","3","4","8","1") = "7"
    & skf18("2","1","1","3","4","9","1") = "8"
    & skf18("2","1","1","3","4","10","1") = "9"
    & skf18("2","1","1","3","5","1","1") = "4"
    & skf18("2","1","1","3","5","2","1") = "4"
    & skf18("2","1","1","3","5","3","1") = "4"
    & skf18("2","1","1","3","5","4","1") = "4"
    & skf18("2","1","1","3","5","5","1") = "4"
    & skf18("2","1","1","3","5","6","1") = "5"
    & skf18("2","1","1","3","5","7","1") = "6"
    & skf18("2","1","1","3","5","8","1") = "7"
    & skf18("2","1","1","3","5","9","1") = "8"
    & skf18("2","1","1","3","5","10","1") = "9"
    & skf18("2","1","1","3","6","1","1") = "5"
    & skf18("2","1","1","3","6","2","1") = "5"
    & skf18("2","1","1","3","6","3","1") = "5"
    & skf18("2","1","1","3","6","4","1") = "5"
    & skf18("2","1","1","3","6","5","1") = "5"
    & skf18("2","1","1","3","6","6","1") = "5"
    & skf18("2","1","1","3","6","7","1") = "6"
    & skf18("2","1","1","3","6","8","1") = "7"
    & skf18("2","1","1","3","6","9","1") = "8"
    & skf18("2","1","1","3","6","10","1") = "9"
    & skf18("2","1","1","3","7","1","1") = "6"
    & skf18("2","1","1","3","7","2","1") = "6"
    & skf18("2","1","1","3","7","3","1") = "6"
    & skf18("2","1","1","3","7","4","1") = "6"
    & skf18("2","1","1","3","7","5","1") = "6"
    & skf18("2","1","1","3","7","6","1") = "6"
    & skf18("2","1","1","3","7","7","1") = "6"
    & skf18("2","1","1","3","7","8","1") = "7"
    & skf18("2","1","1","3","7","9","1") = "8"
    & skf18("2","1","1","3","7","10","1") = "9"
    & skf18("2","1","1","3","8","1","1") = "7"
    & skf18("2","1","1","3","8","2","1") = "7"
    & skf18("2","1","1","3","8","3","1") = "7"
    & skf18("2","1","1","3","8","4","1") = "7"
    & skf18("2","1","1","3","8","5","1") = "7"
    & skf18("2","1","1","3","8","6","1") = "7"
    & skf18("2","1","1","3","8","7","1") = "7"
    & skf18("2","1","1","3","8","8","1") = "7"
    & skf18("2","1","1","3","8","9","1") = "8"
    & skf18("2","1","1","3","8","10","1") = "9"
    & skf18("2","1","1","3","9","1","1") = "8"
    & skf18("2","1","1","3","9","2","1") = "8"
    & skf18("2","1","1","3","9","3","1") = "8"
    & skf18("2","1","1","3","9","4","1") = "8"
    & skf18("2","1","1","3","9","5","1") = "8"
    & skf18("2","1","1","3","9","6","1") = "8"
    & skf18("2","1","1","3","9","7","1") = "8"
    & skf18("2","1","1","3","9","8","1") = "8"
    & skf18("2","1","1","3","9","9","1") = "8"
    & skf18("2","1","1","3","9","10","1") = "9"
    & skf18("2","1","1","3","10","1","1") = "9"
    & skf18("2","1","1","3","10","2","1") = "9"
    & skf18("2","1","1","3","10","3","1") = "9"
    & skf18("2","1","1","3","10","4","1") = "9"
    & skf18("2","1","1","3","10","5","1") = "9"
    & skf18("2","1","1","3","10","6","1") = "9"
    & skf18("2","1","1","3","10","7","1") = "9"
    & skf18("2","1","1","3","10","8","1") = "9"
    & skf18("2","1","1","3","10","9","1") = "9"
    & skf18("2","1","1","3","10","10","1") = "9"
    & skf18("2","1","1","4","1","1","1") = "3"
    & skf18("2","1","1","4","1","2","1") = "3"
    & skf18("2","1","1","4","1","3","1") = "3"
    & skf18("2","1","1","4","1","4","1") = "3"
    & skf18("2","1","1","4","1","5","1") = "4"
    & skf18("2","1","1","4","1","6","1") = "5"
    & skf18("2","1","1","4","1","7","1") = "6"
    & skf18("2","1","1","4","1","8","1") = "7"
    & skf18("2","1","1","4","1","9","1") = "8"
    & skf18("2","1","1","4","1","10","1") = "9"
    & skf18("2","1","1","4","2","1","1") = "3"
    & skf18("2","1","1","4","2","2","1") = "3"
    & skf18("2","1","1","4","2","3","1") = "3"
    & skf18("2","1","1","4","2","4","1") = "3"
    & skf18("2","1","1","4","2","5","1") = "4"
    & skf18("2","1","1","4","2","6","1") = "5"
    & skf18("2","1","1","4","2","7","1") = "6"
    & skf18("2","1","1","4","2","8","1") = "7"
    & skf18("2","1","1","4","2","9","1") = "8"
    & skf18("2","1","1","4","2","10","1") = "9"
    & skf18("2","1","1","4","3","1","1") = "3"
    & skf18("2","1","1","4","3","2","1") = "3"
    & skf18("2","1","1","4","3","3","1") = "3"
    & skf18("2","1","1","4","3","4","1") = "3"
    & skf18("2","1","1","4","3","5","1") = "4"
    & skf18("2","1","1","4","3","6","1") = "5"
    & skf18("2","1","1","4","3","7","1") = "6"
    & skf18("2","1","1","4","3","8","1") = "7"
    & skf18("2","1","1","4","3","9","1") = "8"
    & skf18("2","1","1","4","3","10","1") = "9"
    & skf18("2","1","1","4","4","1","1") = "2"
    & skf18("2","1","1","4","4","2","1") = "3"
    & skf18("2","1","1","4","4","3","1") = "3"
    & skf18("2","1","1","4","4","4","1") = "3"
    & skf18("2","1","1","4","4","5","1") = "4"
    & skf18("2","1","1","4","4","6","1") = "5"
    & skf18("2","1","1","4","4","7","1") = "6"
    & skf18("2","1","1","4","4","8","1") = "7"
    & skf18("2","1","1","4","4","9","1") = "8"
    & skf18("2","1","1","4","4","10","1") = "9"
    & skf18("2","1","1","4","5","1","1") = "4"
    & skf18("2","1","1","4","5","2","1") = "4"
    & skf18("2","1","1","4","5","3","1") = "4"
    & skf18("2","1","1","4","5","4","1") = "4"
    & skf18("2","1","1","4","5","5","1") = "4"
    & skf18("2","1","1","4","5","6","1") = "5"
    & skf18("2","1","1","4","5","7","1") = "6"
    & skf18("2","1","1","4","5","8","1") = "7"
    & skf18("2","1","1","4","5","9","1") = "8"
    & skf18("2","1","1","4","5","10","1") = "9"
    & skf18("2","1","1","4","6","1","1") = "5"
    & skf18("2","1","1","4","6","2","1") = "5"
    & skf18("2","1","1","4","6","3","1") = "5"
    & skf18("2","1","1","4","6","4","1") = "5"
    & skf18("2","1","1","4","6","5","1") = "5"
    & skf18("2","1","1","4","6","6","1") = "5"
    & skf18("2","1","1","4","6","7","1") = "6"
    & skf18("2","1","1","4","6","8","1") = "7"
    & skf18("2","1","1","4","6","9","1") = "8"
    & skf18("2","1","1","4","6","10","1") = "9"
    & skf18("2","1","1","4","7","1","1") = "6"
    & skf18("2","1","1","4","7","2","1") = "6"
    & skf18("2","1","1","4","7","3","1") = "6"
    & skf18("2","1","1","4","7","4","1") = "6"
    & skf18("2","1","1","4","7","5","1") = "6"
    & skf18("2","1","1","4","7","6","1") = "6"
    & skf18("2","1","1","4","7","7","1") = "6"
    & skf18("2","1","1","4","7","8","1") = "7"
    & skf18("2","1","1","4","7","9","1") = "8"
    & skf18("2","1","1","4","7","10","1") = "9"
    & skf18("2","1","1","4","8","1","1") = "7"
    & skf18("2","1","1","4","8","2","1") = "7"
    & skf18("2","1","1","4","8","3","1") = "7"
    & skf18("2","1","1","4","8","4","1") = "7"
    & skf18("2","1","1","4","8","5","1") = "7"
    & skf18("2","1","1","4","8","6","1") = "7"
    & skf18("2","1","1","4","8","7","1") = "7"
    & skf18("2","1","1","4","8","8","1") = "7"
    & skf18("2","1","1","4","8","9","1") = "8"
    & skf18("2","1","1","4","8","10","1") = "9"
    & skf18("2","1","1","4","9","1","1") = "8"
    & skf18("2","1","1","4","9","2","1") = "8"
    & skf18("2","1","1","4","9","3","1") = "8"
    & skf18("2","1","1","4","9","4","1") = "8"
    & skf18("2","1","1","4","9","5","1") = "8"
    & skf18("2","1","1","4","9","6","1") = "8"
    & skf18("2","1","1","4","9","7","1") = "8"
    & skf18("2","1","1","4","9","8","1") = "8"
    & skf18("2","1","1","4","9","9","1") = "8"
    & skf18("2","1","1","4","9","10","1") = "9"
    & skf18("2","1","1","4","10","1","1") = "9"
    & skf18("2","1","1","4","10","2","1") = "9"
    & skf18("2","1","1","4","10","3","1") = "9"
    & skf18("2","1","1","4","10","4","1") = "9"
    & skf18("2","1","1","4","10","5","1") = "9"
    & skf18("2","1","1","4","10","6","1") = "9"
    & skf18("2","1","1","4","10","7","1") = "9"
    & skf18("2","1","1","4","10","8","1") = "9"
    & skf18("2","1","1","4","10","9","1") = "9"
    & skf18("2","1","1","4","10","10","1") = "9"
    & skf18("2","1","1","5","1","1","1") = "4"
    & skf18("2","1","1","5","1","2","1") = "4"
    & skf18("2","1","1","5","1","3","1") = "4"
    & skf18("2","1","1","5","1","4","1") = "4"
    & skf18("2","1","1","5","1","5","1") = "4"
    & skf18("2","1","1","5","1","6","1") = "5"
    & skf18("2","1","1","5","1","7","1") = "6"
    & skf18("2","1","1","5","1","8","1") = "7"
    & skf18("2","1","1","5","1","9","1") = "8"
    & skf18("2","1","1","5","1","10","1") = "9"
    & skf18("2","1","1","5","2","1","1") = "4"
    & skf18("2","1","1","5","2","2","1") = "4"
    & skf18("2","1","1","5","2","3","1") = "4"
    & skf18("2","1","1","5","2","4","1") = "4"
    & skf18("2","1","1","5","2","5","1") = "4"
    & skf18("2","1","1","5","2","6","1") = "5"
    & skf18("2","1","1","5","2","7","1") = "6"
    & skf18("2","1","1","5","2","8","1") = "7"
    & skf18("2","1","1","5","2","9","1") = "8"
    & skf18("2","1","1","5","2","10","1") = "9"
    & skf18("2","1","1","5","3","1","1") = "4"
    & skf18("2","1","1","5","3","2","1") = "4"
    & skf18("2","1","1","5","3","3","1") = "4"
    & skf18("2","1","1","5","3","4","1") = "4"
    & skf18("2","1","1","5","3","5","1") = "4"
    & skf18("2","1","1","5","3","6","1") = "5"
    & skf18("2","1","1","5","3","7","1") = "6"
    & skf18("2","1","1","5","3","8","1") = "7"
    & skf18("2","1","1","5","3","9","1") = "8"
    & skf18("2","1","1","5","3","10","1") = "9"
    & skf18("2","1","1","5","4","1","1") = "4"
    & skf18("2","1","1","5","4","2","1") = "4"
    & skf18("2","1","1","5","4","3","1") = "4"
    & skf18("2","1","1","5","4","4","1") = "4"
    & skf18("2","1","1","5","4","5","1") = "4"
    & skf18("2","1","1","5","4","6","1") = "5"
    & skf18("2","1","1","5","4","7","1") = "6"
    & skf18("2","1","1","5","4","8","1") = "7"
    & skf18("2","1","1","5","4","9","1") = "8"
    & skf18("2","1","1","5","4","10","1") = "9"
    & skf18("2","1","1","5","5","1","1") = "4"
    & skf18("2","1","1","5","5","2","1") = "4"
    & skf18("2","1","1","5","5","3","1") = "4"
    & skf18("2","1","1","5","5","4","1") = "4"
    & skf18("2","1","1","5","5","5","1") = "4"
    & skf18("2","1","1","5","5","6","1") = "5"
    & skf18("2","1","1","5","5","7","1") = "6"
    & skf18("2","1","1","5","5","8","1") = "7"
    & skf18("2","1","1","5","5","9","1") = "8"
    & skf18("2","1","1","5","5","10","1") = "9"
    & skf18("2","1","1","5","6","1","1") = "5"
    & skf18("2","1","1","5","6","2","1") = "5"
    & skf18("2","1","1","5","6","3","1") = "5"
    & skf18("2","1","1","5","6","4","1") = "5"
    & skf18("2","1","1","5","6","5","1") = "5"
    & skf18("2","1","1","5","6","6","1") = "5"
    & skf18("2","1","1","5","6","7","1") = "6"
    & skf18("2","1","1","5","6","8","1") = "7"
    & skf18("2","1","1","5","6","9","1") = "8"
    & skf18("2","1","1","5","6","10","1") = "9"
    & skf18("2","1","1","5","7","1","1") = "6"
    & skf18("2","1","1","5","7","2","1") = "6"
    & skf18("2","1","1","5","7","3","1") = "6"
    & skf18("2","1","1","5","7","4","1") = "6"
    & skf18("2","1","1","5","7","5","1") = "6"
    & skf18("2","1","1","5","7","6","1") = "6"
    & skf18("2","1","1","5","7","7","1") = "6"
    & skf18("2","1","1","5","7","8","1") = "7"
    & skf18("2","1","1","5","7","9","1") = "8"
    & skf18("2","1","1","5","7","10","1") = "9"
    & skf18("2","1","1","5","8","1","1") = "7"
    & skf18("2","1","1","5","8","2","1") = "7"
    & skf18("2","1","1","5","8","3","1") = "7"
    & skf18("2","1","1","5","8","4","1") = "7"
    & skf18("2","1","1","5","8","5","1") = "7"
    & skf18("2","1","1","5","8","6","1") = "7"
    & skf18("2","1","1","5","8","7","1") = "7"
    & skf18("2","1","1","5","8","8","1") = "7"
    & skf18("2","1","1","5","8","9","1") = "8"
    & skf18("2","1","1","5","8","10","1") = "9"
    & skf18("2","1","1","5","9","1","1") = "8"
    & skf18("2","1","1","5","9","2","1") = "8"
    & skf18("2","1","1","5","9","3","1") = "8"
    & skf18("2","1","1","5","9","4","1") = "8"
    & skf18("2","1","1","5","9","5","1") = "8"
    & skf18("2","1","1","5","9","6","1") = "8"
    & skf18("2","1","1","5","9","7","1") = "8"
    & skf18("2","1","1","5","9","8","1") = "8"
    & skf18("2","1","1","5","9","9","1") = "8"
    & skf18("2","1","1","5","9","10","1") = "9"
    & skf18("2","1","1","5","10","1","1") = "9"
    & skf18("2","1","1","5","10","2","1") = "9"
    & skf18("2","1","1","5","10","3","1") = "9"
    & skf18("2","1","1","5","10","4","1") = "9"
    & skf18("2","1","1","5","10","5","1") = "9"
    & skf18("2","1","1","5","10","6","1") = "9"
    & skf18("2","1","1","5","10","7","1") = "9"
    & skf18("2","1","1","5","10","8","1") = "9"
    & skf18("2","1","1","5","10","9","1") = "9"
    & skf18("2","1","1","5","10","10","1") = "9"
    & skf18("2","1","1","6","1","1","1") = "5"
    & skf18("2","1","1","6","1","2","1") = "5"
    & skf18("2","1","1","6","1","3","1") = "5"
    & skf18("2","1","1","6","1","4","1") = "5"
    & skf18("2","1","1","6","1","5","1") = "5"
    & skf18("2","1","1","6","1","6","1") = "5"
    & skf18("2","1","1","6","1","7","1") = "6"
    & skf18("2","1","1","6","1","8","1") = "7"
    & skf18("2","1","1","6","1","9","1") = "8"
    & skf18("2","1","1","6","1","10","1") = "9"
    & skf18("2","1","1","6","2","1","1") = "5"
    & skf18("2","1","1","6","2","2","1") = "5"
    & skf18("2","1","1","6","2","3","1") = "5"
    & skf18("2","1","1","6","2","4","1") = "5"
    & skf18("2","1","1","6","2","5","1") = "5"
    & skf18("2","1","1","6","2","6","1") = "5"
    & skf18("2","1","1","6","2","7","1") = "6"
    & skf18("2","1","1","6","2","8","1") = "7"
    & skf18("2","1","1","6","2","9","1") = "8"
    & skf18("2","1","1","6","2","10","1") = "9"
    & skf18("2","1","1","6","3","1","1") = "5"
    & skf18("2","1","1","6","3","2","1") = "5"
    & skf18("2","1","1","6","3","3","1") = "5"
    & skf18("2","1","1","6","3","4","1") = "5"
    & skf18("2","1","1","6","3","5","1") = "5"
    & skf18("2","1","1","6","3","6","1") = "5"
    & skf18("2","1","1","6","3","7","1") = "6"
    & skf18("2","1","1","6","3","8","1") = "7"
    & skf18("2","1","1","6","3","9","1") = "8"
    & skf18("2","1","1","6","3","10","1") = "9"
    & skf18("2","1","1","6","4","1","1") = "5"
    & skf18("2","1","1","6","4","2","1") = "5"
    & skf18("2","1","1","6","4","3","1") = "5"
    & skf18("2","1","1","6","4","4","1") = "5"
    & skf18("2","1","1","6","4","5","1") = "5"
    & skf18("2","1","1","6","4","6","1") = "5"
    & skf18("2","1","1","6","4","7","1") = "6"
    & skf18("2","1","1","6","4","8","1") = "7"
    & skf18("2","1","1","6","4","9","1") = "8"
    & skf18("2","1","1","6","4","10","1") = "9"
    & skf18("2","1","1","6","5","1","1") = "5"
    & skf18("2","1","1","6","5","2","1") = "5"
    & skf18("2","1","1","6","5","3","1") = "5"
    & skf18("2","1","1","6","5","4","1") = "5"
    & skf18("2","1","1","6","5","5","1") = "5"
    & skf18("2","1","1","6","5","6","1") = "5"
    & skf18("2","1","1","6","5","7","1") = "6"
    & skf18("2","1","1","6","5","8","1") = "7"
    & skf18("2","1","1","6","5","9","1") = "8"
    & skf18("2","1","1","6","5","10","1") = "9"
    & skf18("2","1","1","6","6","1","1") = "5"
    & skf18("2","1","1","6","6","2","1") = "5"
    & skf18("2","1","1","6","6","3","1") = "5"
    & skf18("2","1","1","6","6","4","1") = "5"
    & skf18("2","1","1","6","6","5","1") = "5"
    & skf18("2","1","1","6","6","6","1") = "5"
    & skf18("2","1","1","6","6","7","1") = "6"
    & skf18("2","1","1","6","6","8","1") = "7"
    & skf18("2","1","1","6","6","9","1") = "8"
    & skf18("2","1","1","6","6","10","1") = "9"
    & skf18("2","1","1","6","7","1","1") = "6"
    & skf18("2","1","1","6","7","2","1") = "6"
    & skf18("2","1","1","6","7","3","1") = "6"
    & skf18("2","1","1","6","7","4","1") = "6"
    & skf18("2","1","1","6","7","5","1") = "6"
    & skf18("2","1","1","6","7","6","1") = "6"
    & skf18("2","1","1","6","7","7","1") = "6"
    & skf18("2","1","1","6","7","8","1") = "7"
    & skf18("2","1","1","6","7","9","1") = "8"
    & skf18("2","1","1","6","7","10","1") = "9"
    & skf18("2","1","1","6","8","1","1") = "7"
    & skf18("2","1","1","6","8","2","1") = "7"
    & skf18("2","1","1","6","8","3","1") = "7"
    & skf18("2","1","1","6","8","4","1") = "7"
    & skf18("2","1","1","6","8","5","1") = "7"
    & skf18("2","1","1","6","8","6","1") = "7"
    & skf18("2","1","1","6","8","7","1") = "7"
    & skf18("2","1","1","6","8","8","1") = "7"
    & skf18("2","1","1","6","8","9","1") = "8"
    & skf18("2","1","1","6","8","10","1") = "9"
    & skf18("2","1","1","6","9","1","1") = "8"
    & skf18("2","1","1","6","9","2","1") = "8"
    & skf18("2","1","1","6","9","3","1") = "8"
    & skf18("2","1","1","6","9","4","1") = "8"
    & skf18("2","1","1","6","9","5","1") = "8"
    & skf18("2","1","1","6","9","6","1") = "8"
    & skf18("2","1","1","6","9","7","1") = "8"
    & skf18("2","1","1","6","9","8","1") = "8"
    & skf18("2","1","1","6","9","9","1") = "8"
    & skf18("2","1","1","6","9","10","1") = "9"
    & skf18("2","1","1","6","10","1","1") = "9"
    & skf18("2","1","1","6","10","2","1") = "9"
    & skf18("2","1","1","6","10","3","1") = "9"
    & skf18("2","1","1","6","10","4","1") = "9"
    & skf18("2","1","1","6","10","5","1") = "9"
    & skf18("2","1","1","6","10","6","1") = "9"
    & skf18("2","1","1","6","10","7","1") = "9"
    & skf18("2","1","1","6","10","8","1") = "9"
    & skf18("2","1","1","6","10","9","1") = "9"
    & skf18("2","1","1","6","10","10","1") = "9"
    & skf18("2","1","1","7","1","1","1") = "6"
    & skf18("2","1","1","7","1","2","1") = "6"
    & skf18("2","1","1","7","1","3","1") = "6"
    & skf18("2","1","1","7","1","4","1") = "6"
    & skf18("2","1","1","7","1","5","1") = "6"
    & skf18("2","1","1","7","1","6","1") = "6"
    & skf18("2","1","1","7","1","7","1") = "6"
    & skf18("2","1","1","7","1","8","1") = "7"
    & skf18("2","1","1","7","1","9","1") = "8"
    & skf18("2","1","1","7","1","10","1") = "9"
    & skf18("2","1","1","7","2","1","1") = "6"
    & skf18("2","1","1","7","2","2","1") = "6"
    & skf18("2","1","1","7","2","3","1") = "6"
    & skf18("2","1","1","7","2","4","1") = "6"
    & skf18("2","1","1","7","2","5","1") = "6"
    & skf18("2","1","1","7","2","6","1") = "6"
    & skf18("2","1","1","7","2","7","1") = "6"
    & skf18("2","1","1","7","2","8","1") = "7"
    & skf18("2","1","1","7","2","9","1") = "8"
    & skf18("2","1","1","7","2","10","1") = "9"
    & skf18("2","1","1","7","3","1","1") = "6"
    & skf18("2","1","1","7","3","2","1") = "6"
    & skf18("2","1","1","7","3","3","1") = "6"
    & skf18("2","1","1","7","3","4","1") = "6"
    & skf18("2","1","1","7","3","5","1") = "6"
    & skf18("2","1","1","7","3","6","1") = "6"
    & skf18("2","1","1","7","3","7","1") = "6"
    & skf18("2","1","1","7","3","8","1") = "7"
    & skf18("2","1","1","7","3","9","1") = "8"
    & skf18("2","1","1","7","3","10","1") = "9"
    & skf18("2","1","1","7","4","1","1") = "6"
    & skf18("2","1","1","7","4","2","1") = "6"
    & skf18("2","1","1","7","4","3","1") = "6"
    & skf18("2","1","1","7","4","4","1") = "6"
    & skf18("2","1","1","7","4","5","1") = "6"
    & skf18("2","1","1","7","4","6","1") = "6"
    & skf18("2","1","1","7","4","7","1") = "6"
    & skf18("2","1","1","7","4","8","1") = "7"
    & skf18("2","1","1","7","4","9","1") = "8"
    & skf18("2","1","1","7","4","10","1") = "9"
    & skf18("2","1","1","7","5","1","1") = "6"
    & skf18("2","1","1","7","5","2","1") = "6"
    & skf18("2","1","1","7","5","3","1") = "6"
    & skf18("2","1","1","7","5","4","1") = "6"
    & skf18("2","1","1","7","5","5","1") = "6"
    & skf18("2","1","1","7","5","6","1") = "6"
    & skf18("2","1","1","7","5","7","1") = "6"
    & skf18("2","1","1","7","5","8","1") = "7"
    & skf18("2","1","1","7","5","9","1") = "8"
    & skf18("2","1","1","7","5","10","1") = "9"
    & skf18("2","1","1","7","6","1","1") = "6"
    & skf18("2","1","1","7","6","2","1") = "6"
    & skf18("2","1","1","7","6","3","1") = "6"
    & skf18("2","1","1","7","6","4","1") = "6"
    & skf18("2","1","1","7","6","5","1") = "6"
    & skf18("2","1","1","7","6","6","1") = "6"
    & skf18("2","1","1","7","6","7","1") = "6"
    & skf18("2","1","1","7","6","8","1") = "7"
    & skf18("2","1","1","7","6","9","1") = "8"
    & skf18("2","1","1","7","6","10","1") = "9"
    & skf18("2","1","1","7","7","1","1") = "6"
    & skf18("2","1","1","7","7","2","1") = "6"
    & skf18("2","1","1","7","7","3","1") = "6"
    & skf18("2","1","1","7","7","4","1") = "6"
    & skf18("2","1","1","7","7","5","1") = "6"
    & skf18("2","1","1","7","7","6","1") = "6"
    & skf18("2","1","1","7","7","7","1") = "6"
    & skf18("2","1","1","7","7","8","1") = "7"
    & skf18("2","1","1","7","7","9","1") = "8"
    & skf18("2","1","1","7","7","10","1") = "9"
    & skf18("2","1","1","7","8","1","1") = "7"
    & skf18("2","1","1","7","8","2","1") = "7"
    & skf18("2","1","1","7","8","3","1") = "7"
    & skf18("2","1","1","7","8","4","1") = "7"
    & skf18("2","1","1","7","8","5","1") = "7"
    & skf18("2","1","1","7","8","6","1") = "7"
    & skf18("2","1","1","7","8","7","1") = "7"
    & skf18("2","1","1","7","8","8","1") = "7"
    & skf18("2","1","1","7","8","9","1") = "8"
    & skf18("2","1","1","7","8","10","1") = "9"
    & skf18("2","1","1","7","9","1","1") = "8"
    & skf18("2","1","1","7","9","2","1") = "8"
    & skf18("2","1","1","7","9","3","1") = "8"
    & skf18("2","1","1","7","9","4","1") = "8"
    & skf18("2","1","1","7","9","5","1") = "8"
    & skf18("2","1","1","7","9","6","1") = "8"
    & skf18("2","1","1","7","9","7","1") = "8"
    & skf18("2","1","1","7","9","8","1") = "8"
    & skf18("2","1","1","7","9","9","1") = "8"
    & skf18("2","1","1","7","9","10","1") = "9"
    & skf18("2","1","1","7","10","1","1") = "9"
    & skf18("2","1","1","7","10","2","1") = "9"
    & skf18("2","1","1","7","10","3","1") = "9"
    & skf18("2","1","1","7","10","4","1") = "9"
    & skf18("2","1","1","7","10","5","1") = "9"
    & skf18("2","1","1","7","10","6","1") = "9"
    & skf18("2","1","1","7","10","7","1") = "9"
    & skf18("2","1","1","7","10","8","1") = "9"
    & skf18("2","1","1","7","10","9","1") = "9"
    & skf18("2","1","1","7","10","10","1") = "9"
    & skf18("2","1","1","8","1","1","1") = "7"
    & skf18("2","1","1","8","1","2","1") = "7"
    & skf18("2","1","1","8","1","3","1") = "7"
    & skf18("2","1","1","8","1","4","1") = "7"
    & skf18("2","1","1","8","1","5","1") = "7"
    & skf18("2","1","1","8","1","6","1") = "7"
    & skf18("2","1","1","8","1","7","1") = "7"
    & skf18("2","1","1","8","1","8","1") = "7"
    & skf18("2","1","1","8","1","9","1") = "8"
    & skf18("2","1","1","8","1","10","1") = "9"
    & skf18("2","1","1","8","2","1","1") = "7"
    & skf18("2","1","1","8","2","2","1") = "7"
    & skf18("2","1","1","8","2","3","1") = "7"
    & skf18("2","1","1","8","2","4","1") = "7"
    & skf18("2","1","1","8","2","5","1") = "7"
    & skf18("2","1","1","8","2","6","1") = "7"
    & skf18("2","1","1","8","2","7","1") = "7"
    & skf18("2","1","1","8","2","8","1") = "7"
    & skf18("2","1","1","8","2","9","1") = "8"
    & skf18("2","1","1","8","2","10","1") = "9"
    & skf18("2","1","1","8","3","1","1") = "7"
    & skf18("2","1","1","8","3","2","1") = "7"
    & skf18("2","1","1","8","3","3","1") = "7"
    & skf18("2","1","1","8","3","4","1") = "7"
    & skf18("2","1","1","8","3","5","1") = "7"
    & skf18("2","1","1","8","3","6","1") = "7"
    & skf18("2","1","1","8","3","7","1") = "7"
    & skf18("2","1","1","8","3","8","1") = "7"
    & skf18("2","1","1","8","3","9","1") = "8"
    & skf18("2","1","1","8","3","10","1") = "9"
    & skf18("2","1","1","8","4","1","1") = "7"
    & skf18("2","1","1","8","4","2","1") = "7"
    & skf18("2","1","1","8","4","3","1") = "7"
    & skf18("2","1","1","8","4","4","1") = "7"
    & skf18("2","1","1","8","4","5","1") = "7"
    & skf18("2","1","1","8","4","6","1") = "7"
    & skf18("2","1","1","8","4","7","1") = "7"
    & skf18("2","1","1","8","4","8","1") = "7"
    & skf18("2","1","1","8","4","9","1") = "8"
    & skf18("2","1","1","8","4","10","1") = "9"
    & skf18("2","1","1","8","5","1","1") = "7"
    & skf18("2","1","1","8","5","2","1") = "7"
    & skf18("2","1","1","8","5","3","1") = "7"
    & skf18("2","1","1","8","5","4","1") = "7"
    & skf18("2","1","1","8","5","5","1") = "7"
    & skf18("2","1","1","8","5","6","1") = "7"
    & skf18("2","1","1","8","5","7","1") = "7"
    & skf18("2","1","1","8","5","8","1") = "7"
    & skf18("2","1","1","8","5","9","1") = "8"
    & skf18("2","1","1","8","5","10","1") = "9"
    & skf18("2","1","1","8","6","1","1") = "7"
    & skf18("2","1","1","8","6","2","1") = "7"
    & skf18("2","1","1","8","6","3","1") = "7"
    & skf18("2","1","1","8","6","4","1") = "7"
    & skf18("2","1","1","8","6","5","1") = "7"
    & skf18("2","1","1","8","6","6","1") = "7"
    & skf18("2","1","1","8","6","7","1") = "7"
    & skf18("2","1","1","8","6","8","1") = "7"
    & skf18("2","1","1","8","6","9","1") = "8"
    & skf18("2","1","1","8","6","10","1") = "9"
    & skf18("2","1","1","8","7","1","1") = "7"
    & skf18("2","1","1","8","7","2","1") = "7"
    & skf18("2","1","1","8","7","3","1") = "7"
    & skf18("2","1","1","8","7","4","1") = "7"
    & skf18("2","1","1","8","7","5","1") = "7"
    & skf18("2","1","1","8","7","6","1") = "7"
    & skf18("2","1","1","8","7","7","1") = "7"
    & skf18("2","1","1","8","7","8","1") = "7"
    & skf18("2","1","1","8","7","9","1") = "8"
    & skf18("2","1","1","8","7","10","1") = "9"
    & skf18("2","1","1","8","8","1","1") = "7"
    & skf18("2","1","1","8","8","2","1") = "7"
    & skf18("2","1","1","8","8","3","1") = "7"
    & skf18("2","1","1","8","8","4","1") = "7"
    & skf18("2","1","1","8","8","5","1") = "7"
    & skf18("2","1","1","8","8","6","1") = "7"
    & skf18("2","1","1","8","8","7","1") = "7"
    & skf18("2","1","1","8","8","8","1") = "7"
    & skf18("2","1","1","8","8","9","1") = "8"
    & skf18("2","1","1","8","8","10","1") = "9"
    & skf18("2","1","1","8","9","1","1") = "8"
    & skf18("2","1","1","8","9","2","1") = "8"
    & skf18("2","1","1","8","9","3","1") = "8"
    & skf18("2","1","1","8","9","4","1") = "8"
    & skf18("2","1","1","8","9","5","1") = "8"
    & skf18("2","1","1","8","9","6","1") = "8"
    & skf18("2","1","1","8","9","7","1") = "8"
    & skf18("2","1","1","8","9","8","1") = "8"
    & skf18("2","1","1","8","9","9","1") = "8"
    & skf18("2","1","1","8","9","10","1") = "9"
    & skf18("2","1","1","8","10","1","1") = "9"
    & skf18("2","1","1","8","10","2","1") = "9"
    & skf18("2","1","1","8","10","3","1") = "9"
    & skf18("2","1","1","8","10","4","1") = "9"
    & skf18("2","1","1","8","10","5","1") = "9"
    & skf18("2","1","1","8","10","6","1") = "9"
    & skf18("2","1","1","8","10","7","1") = "9"
    & skf18("2","1","1","8","10","8","1") = "9"
    & skf18("2","1","1","8","10","9","1") = "9"
    & skf18("2","1","1","8","10","10","1") = "9"
    & skf18("2","1","1","9","1","1","1") = "8"
    & skf18("2","1","1","9","1","2","1") = "8"
    & skf18("2","1","1","9","1","3","1") = "8"
    & skf18("2","1","1","9","1","4","1") = "8"
    & skf18("2","1","1","9","1","5","1") = "8"
    & skf18("2","1","1","9","1","6","1") = "8"
    & skf18("2","1","1","9","1","7","1") = "8"
    & skf18("2","1","1","9","1","8","1") = "8"
    & skf18("2","1","1","9","1","9","1") = "8"
    & skf18("2","1","1","9","1","10","1") = "9"
    & skf18("2","1","1","9","2","1","1") = "8"
    & skf18("2","1","1","9","2","2","1") = "8"
    & skf18("2","1","1","9","2","3","1") = "8"
    & skf18("2","1","1","9","2","4","1") = "8"
    & skf18("2","1","1","9","2","5","1") = "8"
    & skf18("2","1","1","9","2","6","1") = "8"
    & skf18("2","1","1","9","2","7","1") = "8"
    & skf18("2","1","1","9","2","8","1") = "8"
    & skf18("2","1","1","9","2","9","1") = "8"
    & skf18("2","1","1","9","2","10","1") = "9"
    & skf18("2","1","1","9","3","1","1") = "8"
    & skf18("2","1","1","9","3","2","1") = "8"
    & skf18("2","1","1","9","3","3","1") = "8"
    & skf18("2","1","1","9","3","4","1") = "8"
    & skf18("2","1","1","9","3","5","1") = "8"
    & skf18("2","1","1","9","3","6","1") = "8"
    & skf18("2","1","1","9","3","7","1") = "8"
    & skf18("2","1","1","9","3","8","1") = "8"
    & skf18("2","1","1","9","3","9","1") = "8"
    & skf18("2","1","1","9","3","10","1") = "9"
    & skf18("2","1","1","9","4","1","1") = "8"
    & skf18("2","1","1","9","4","2","1") = "8"
    & skf18("2","1","1","9","4","3","1") = "8"
    & skf18("2","1","1","9","4","4","1") = "8"
    & skf18("2","1","1","9","4","5","1") = "8"
    & skf18("2","1","1","9","4","6","1") = "8"
    & skf18("2","1","1","9","4","7","1") = "8"
    & skf18("2","1","1","9","4","8","1") = "8"
    & skf18("2","1","1","9","4","9","1") = "8"
    & skf18("2","1","1","9","4","10","1") = "9"
    & skf18("2","1","1","9","5","1","1") = "8"
    & skf18("2","1","1","9","5","2","1") = "8"
    & skf18("2","1","1","9","5","3","1") = "8"
    & skf18("2","1","1","9","5","4","1") = "8"
    & skf18("2","1","1","9","5","5","1") = "8"
    & skf18("2","1","1","9","5","6","1") = "8"
    & skf18("2","1","1","9","5","7","1") = "8"
    & skf18("2","1","1","9","5","8","1") = "8"
    & skf18("2","1","1","9","5","9","1") = "8"
    & skf18("2","1","1","9","5","10","1") = "9"
    & skf18("2","1","1","9","6","1","1") = "8"
    & skf18("2","1","1","9","6","2","1") = "8"
    & skf18("2","1","1","9","6","3","1") = "8"
    & skf18("2","1","1","9","6","4","1") = "8"
    & skf18("2","1","1","9","6","5","1") = "8"
    & skf18("2","1","1","9","6","6","1") = "8"
    & skf18("2","1","1","9","6","7","1") = "8"
    & skf18("2","1","1","9","6","8","1") = "8"
    & skf18("2","1","1","9","6","9","1") = "8"
    & skf18("2","1","1","9","6","10","1") = "9"
    & skf18("2","1","1","9","7","1","1") = "8"
    & skf18("2","1","1","9","7","2","1") = "8"
    & skf18("2","1","1","9","7","3","1") = "8"
    & skf18("2","1","1","9","7","4","1") = "8"
    & skf18("2","1","1","9","7","5","1") = "8"
    & skf18("2","1","1","9","7","6","1") = "8"
    & skf18("2","1","1","9","7","7","1") = "8"
    & skf18("2","1","1","9","7","8","1") = "8"
    & skf18("2","1","1","9","7","9","1") = "8"
    & skf18("2","1","1","9","7","10","1") = "9"
    & skf18("2","1","1","9","8","1","1") = "8"
    & skf18("2","1","1","9","8","2","1") = "8"
    & skf18("2","1","1","9","8","3","1") = "8"
    & skf18("2","1","1","9","8","4","1") = "8"
    & skf18("2","1","1","9","8","5","1") = "8"
    & skf18("2","1","1","9","8","6","1") = "8"
    & skf18("2","1","1","9","8","7","1") = "8"
    & skf18("2","1","1","9","8","8","1") = "8"
    & skf18("2","1","1","9","8","9","1") = "8"
    & skf18("2","1","1","9","8","10","1") = "9"
    & skf18("2","1","1","9","9","1","1") = "8"
    & skf18("2","1","1","9","9","2","1") = "8"
    & skf18("2","1","1","9","9","3","1") = "8"
    & skf18("2","1","1","9","9","4","1") = "8"
    & skf18("2","1","1","9","9","5","1") = "8"
    & skf18("2","1","1","9","9","6","1") = "8"
    & skf18("2","1","1","9","9","7","1") = "8"
    & skf18("2","1","1","9","9","8","1") = "8"
    & skf18("2","1","1","9","9","9","1") = "8"
    & skf18("2","1","1","9","9","10","1") = "9"
    & skf18("2","1","1","9","10","1","1") = "9"
    & skf18("2","1","1","9","10","2","1") = "9"
    & skf18("2","1","1","9","10","3","1") = "9"
    & skf18("2","1","1","9","10","4","1") = "9"
    & skf18("2","1","1","9","10","5","1") = "9"
    & skf18("2","1","1","9","10","6","1") = "9"
    & skf18("2","1","1","9","10","7","1") = "9"
    & skf18("2","1","1","9","10","8","1") = "9"
    & skf18("2","1","1","9","10","9","1") = "9"
    & skf18("2","1","1","9","10","10","1") = "9"
    & skf18("2","1","1","10","1","1","1") = "9"
    & skf18("2","1","1","10","1","2","1") = "9"
    & skf18("2","1","1","10","1","3","1") = "9"
    & skf18("2","1","1","10","1","4","1") = "9"
    & skf18("2","1","1","10","1","5","1") = "9"
    & skf18("2","1","1","10","1","6","1") = "9"
    & skf18("2","1","1","10","1","7","1") = "9"
    & skf18("2","1","1","10","1","8","1") = "9"
    & skf18("2","1","1","10","1","9","1") = "9"
    & skf18("2","1","1","10","1","10","1") = "9"
    & skf18("2","1","1","10","2","1","1") = "9"
    & skf18("2","1","1","10","2","2","1") = "9"
    & skf18("2","1","1","10","2","3","1") = "9"
    & skf18("2","1","1","10","2","4","1") = "9"
    & skf18("2","1","1","10","2","5","1") = "9"
    & skf18("2","1","1","10","2","6","1") = "9"
    & skf18("2","1","1","10","2","7","1") = "9"
    & skf18("2","1","1","10","2","8","1") = "9"
    & skf18("2","1","1","10","2","9","1") = "9"
    & skf18("2","1","1","10","2","10","1") = "9"
    & skf18("2","1","1","10","3","1","1") = "9"
    & skf18("2","1","1","10","3","2","1") = "9"
    & skf18("2","1","1","10","3","3","1") = "9"
    & skf18("2","1","1","10","3","4","1") = "9"
    & skf18("2","1","1","10","3","5","1") = "9"
    & skf18("2","1","1","10","3","6","1") = "9"
    & skf18("2","1","1","10","3","7","1") = "9"
    & skf18("2","1","1","10","3","8","1") = "9"
    & skf18("2","1","1","10","3","9","1") = "9"
    & skf18("2","1","1","10","3","10","1") = "9"
    & skf18("2","1","1","10","4","1","1") = "9"
    & skf18("2","1","1","10","4","2","1") = "9"
    & skf18("2","1","1","10","4","3","1") = "9"
    & skf18("2","1","1","10","4","4","1") = "9"
    & skf18("2","1","1","10","4","5","1") = "9"
    & skf18("2","1","1","10","4","6","1") = "9"
    & skf18("2","1","1","10","4","7","1") = "9"
    & skf18("2","1","1","10","4","8","1") = "9"
    & skf18("2","1","1","10","4","9","1") = "9"
    & skf18("2","1","1","10","4","10","1") = "9"
    & skf18("2","1","1","10","5","1","1") = "9"
    & skf18("2","1","1","10","5","2","1") = "9"
    & skf18("2","1","1","10","5","3","1") = "9"
    & skf18("2","1","1","10","5","4","1") = "9"
    & skf18("2","1","1","10","5","5","1") = "9"
    & skf18("2","1","1","10","5","6","1") = "9"
    & skf18("2","1","1","10","5","7","1") = "9"
    & skf18("2","1","1","10","5","8","1") = "9"
    & skf18("2","1","1","10","5","9","1") = "9"
    & skf18("2","1","1","10","5","10","1") = "9"
    & skf18("2","1","1","10","6","1","1") = "9"
    & skf18("2","1","1","10","6","2","1") = "9"
    & skf18("2","1","1","10","6","3","1") = "9"
    & skf18("2","1","1","10","6","4","1") = "9"
    & skf18("2","1","1","10","6","5","1") = "9"
    & skf18("2","1","1","10","6","6","1") = "9"
    & skf18("2","1","1","10","6","7","1") = "9"
    & skf18("2","1","1","10","6","8","1") = "9"
    & skf18("2","1","1","10","6","9","1") = "9"
    & skf18("2","1","1","10","6","10","1") = "9"
    & skf18("2","1","1","10","7","1","1") = "9"
    & skf18("2","1","1","10","7","2","1") = "9"
    & skf18("2","1","1","10","7","3","1") = "9"
    & skf18("2","1","1","10","7","4","1") = "9"
    & skf18("2","1","1","10","7","5","1") = "9"
    & skf18("2","1","1","10","7","6","1") = "9"
    & skf18("2","1","1","10","7","7","1") = "9"
    & skf18("2","1","1","10","7","8","1") = "9"
    & skf18("2","1","1","10","7","9","1") = "9"
    & skf18("2","1","1","10","7","10","1") = "9"
    & skf18("2","1","1","10","8","1","1") = "9"
    & skf18("2","1","1","10","8","2","1") = "9"
    & skf18("2","1","1","10","8","3","1") = "9"
    & skf18("2","1","1","10","8","4","1") = "9"
    & skf18("2","1","1","10","8","5","1") = "9"
    & skf18("2","1","1","10","8","6","1") = "9"
    & skf18("2","1","1","10","8","7","1") = "9"
    & skf18("2","1","1","10","8","8","1") = "9"
    & skf18("2","1","1","10","8","9","1") = "9"
    & skf18("2","1","1","10","8","10","1") = "9"
    & skf18("2","1","1","10","9","1","1") = "9"
    & skf18("2","1","1","10","9","2","1") = "9"
    & skf18("2","1","1","10","9","3","1") = "9"
    & skf18("2","1","1","10","9","4","1") = "9"
    & skf18("2","1","1","10","9","5","1") = "9"
    & skf18("2","1","1","10","9","6","1") = "9"
    & skf18("2","1","1","10","9","7","1") = "9"
    & skf18("2","1","1","10","9","8","1") = "9"
    & skf18("2","1","1","10","9","9","1") = "9"
    & skf18("2","1","1","10","9","10","1") = "9"
    & skf18("2","1","1","10","10","1","1") = "9"
    & skf18("2","1","1","10","10","2","1") = "9"
    & skf18("2","1","1","10","10","3","1") = "9"
    & skf18("2","1","1","10","10","4","1") = "9"
    & skf18("2","1","1","10","10","5","1") = "9"
    & skf18("2","1","1","10","10","6","1") = "9"
    & skf18("2","1","1","10","10","7","1") = "9"
    & skf18("2","1","1","10","10","8","1") = "9"
    & skf18("2","1","1","10","10","9","1") = "9"
    & skf18("2","1","1","10","10","10","1") = "9"
    & skf18("2","1","2","1","1","1","1") = "1"
    & skf18("2","1","2","1","1","2","1") = "1"
    & skf18("2","1","2","1","1","3","1") = "2"
    & skf18("2","1","2","1","1","4","1") = "3"
    & skf18("2","1","2","1","1","5","1") = "4"
    & skf18("2","1","2","1","1","6","1") = "5"
    & skf18("2","1","2","1","1","7","1") = "6"
    & skf18("2","1","2","1","1","8","1") = "7"
    & skf18("2","1","2","1","1","9","1") = "8"
    & skf18("2","1","2","1","1","10","1") = "9"
    & skf18("2","1","2","1","2","1","1") = "1"
    & skf18("2","1","2","1","2","2","1") = "1"
    & skf18("2","1","2","1","2","3","1") = "2"
    & skf18("2","1","2","1","2","4","1") = "3"
    & skf18("2","1","2","1","2","5","1") = "4"
    & skf18("2","1","2","1","2","6","1") = "5"
    & skf18("2","1","2","1","2","7","1") = "6"
    & skf18("2","1","2","1","2","8","1") = "7"
    & skf18("2","1","2","1","2","9","1") = "8"
    & skf18("2","1","2","1","2","10","1") = "9"
    & skf18("2","1","2","1","3","1","1") = "2"
    & skf18("2","1","2","1","3","2","1") = "2"
    & skf18("2","1","2","1","3","3","1") = "2"
    & skf18("2","1","2","1","3","4","1") = "3"
    & skf18("2","1","2","1","3","5","1") = "4"
    & skf18("2","1","2","1","3","6","1") = "5"
    & skf18("2","1","2","1","3","7","1") = "6"
    & skf18("2","1","2","1","3","8","1") = "7"
    & skf18("2","1","2","1","3","9","1") = "8"
    & skf18("2","1","2","1","3","10","1") = "9"
    & skf18("2","1","2","1","4","1","1") = "3"
    & skf18("2","1","2","1","4","2","1") = "3"
    & skf18("2","1","2","1","4","3","1") = "3"
    & skf18("2","1","2","1","4","4","1") = "3"
    & skf18("2","1","2","1","4","5","1") = "4"
    & skf18("2","1","2","1","4","6","1") = "5"
    & skf18("2","1","2","1","4","7","1") = "6"
    & skf18("2","1","2","1","4","8","1") = "7"
    & skf18("2","1","2","1","4","9","1") = "8"
    & skf18("2","1","2","1","4","10","1") = "9"
    & skf18("2","1","2","1","5","1","1") = "4"
    & skf18("2","1","2","1","5","2","1") = "4"
    & skf18("2","1","2","1","5","3","1") = "4"
    & skf18("2","1","2","1","5","4","1") = "4"
    & skf18("2","1","2","1","5","5","1") = "4"
    & skf18("2","1","2","1","5","6","1") = "5"
    & skf18("2","1","2","1","5","7","1") = "6"
    & skf18("2","1","2","1","5","8","1") = "7"
    & skf18("2","1","2","1","5","9","1") = "8"
    & skf18("2","1","2","1","5","10","1") = "9"
    & skf18("2","1","2","1","6","1","1") = "5"
    & skf18("2","1","2","1","6","2","1") = "5"
    & skf18("2","1","2","1","6","3","1") = "5"
    & skf18("2","1","2","1","6","4","1") = "5"
    & skf18("2","1","2","1","6","5","1") = "5"
    & skf18("2","1","2","1","6","6","1") = "5"
    & skf18("2","1","2","1","6","7","1") = "6"
    & skf18("2","1","2","1","6","8","1") = "7"
    & skf18("2","1","2","1","6","9","1") = "8"
    & skf18("2","1","2","1","6","10","1") = "9"
    & skf18("2","1","2","1","7","1","1") = "6"
    & skf18("2","1","2","1","7","2","1") = "6"
    & skf18("2","1","2","1","7","3","1") = "6"
    & skf18("2","1","2","1","7","4","1") = "6"
    & skf18("2","1","2","1","7","5","1") = "6"
    & skf18("2","1","2","1","7","6","1") = "6"
    & skf18("2","1","2","1","7","7","1") = "6"
    & skf18("2","1","2","1","7","8","1") = "7"
    & skf18("2","1","2","1","7","9","1") = "8"
    & skf18("2","1","2","1","7","10","1") = "9"
    & skf18("2","1","2","1","8","1","1") = "7"
    & skf18("2","1","2","1","8","2","1") = "7"
    & skf18("2","1","2","1","8","3","1") = "7"
    & skf18("2","1","2","1","8","4","1") = "7"
    & skf18("2","1","2","1","8","5","1") = "7"
    & skf18("2","1","2","1","8","6","1") = "7"
    & skf18("2","1","2","1","8","7","1") = "7"
    & skf18("2","1","2","1","8","8","1") = "7"
    & skf18("2","1","2","1","8","9","1") = "8"
    & skf18("2","1","2","1","8","10","1") = "9"
    & skf18("2","1","2","1","9","1","1") = "8"
    & skf18("2","1","2","1","9","2","1") = "8"
    & skf18("2","1","2","1","9","3","1") = "8"
    & skf18("2","1","2","1","9","4","1") = "8"
    & skf18("2","1","2","1","9","5","1") = "8"
    & skf18("2","1","2","1","9","6","1") = "8"
    & skf18("2","1","2","1","9","7","1") = "8"
    & skf18("2","1","2","1","9","8","1") = "8"
    & skf18("2","1","2","1","9","9","1") = "8"
    & skf18("2","1","2","1","9","10","1") = "9"
    & skf18("2","1","2","1","10","1","1") = "9"
    & skf18("2","1","2","1","10","2","1") = "9"
    & skf18("2","1","2","1","10","3","1") = "9"
    & skf18("2","1","2","1","10","4","1") = "9"
    & skf18("2","1","2","1","10","5","1") = "9"
    & skf18("2","1","2","1","10","6","1") = "9"
    & skf18("2","1","2","1","10","7","1") = "9"
    & skf18("2","1","2","1","10","8","1") = "9"
    & skf18("2","1","2","1","10","9","1") = "9"
    & skf18("2","1","2","1","10","10","1") = "9"
    & skf18("2","1","2","2","1","1","1") = "1"
    & skf18("2","1","2","2","1","2","1") = "1"
    & skf18("2","1","2","2","1","3","1") = "2"
    & skf18("2","1","2","2","1","4","1") = "3"
    & skf18("2","1","2","2","1","5","1") = "4"
    & skf18("2","1","2","2","1","6","1") = "5"
    & skf18("2","1","2","2","1","7","1") = "6"
    & skf18("2","1","2","2","1","8","1") = "7"
    & skf18("2","1","2","2","1","9","1") = "8"
    & skf18("2","1","2","2","1","10","1") = "9"
    & skf18("2","1","2","2","2","1","1") = "1"
    & skf18("2","1","2","2","2","2","1") = "1"
    & skf18("2","1","2","2","2","3","1") = "2"
    & skf18("2","1","2","2","2","4","1") = "3"
    & skf18("2","1","2","2","2","5","1") = "4"
    & skf18("2","1","2","2","2","6","1") = "5"
    & skf18("2","1","2","2","2","7","1") = "6"
    & skf18("2","1","2","2","2","8","1") = "7"
    & skf18("2","1","2","2","2","9","1") = "8"
    & skf18("2","1","2","2","2","10","1") = "9"
    & skf18("2","1","2","2","3","1","1") = "2"
    & skf18("2","1","2","2","3","2","1") = "2"
    & skf18("2","1","2","2","3","3","1") = "2"
    & skf18("2","1","2","2","3","4","1") = "3"
    & skf18("2","1","2","2","3","5","1") = "4"
    & skf18("2","1","2","2","3","6","1") = "5"
    & skf18("2","1","2","2","3","7","1") = "6"
    & skf18("2","1","2","2","3","8","1") = "7"
    & skf18("2","1","2","2","3","9","1") = "8"
    & skf18("2","1","2","2","3","10","1") = "9"
    & skf18("2","1","2","2","4","1","1") = "3"
    & skf18("2","1","2","2","4","2","1") = "3"
    & skf18("2","1","2","2","4","3","1") = "3"
    & skf18("2","1","2","2","4","4","1") = "3"
    & skf18("2","1","2","2","4","5","1") = "4"
    & skf18("2","1","2","2","4","6","1") = "5"
    & skf18("2","1","2","2","4","7","1") = "6"
    & skf18("2","1","2","2","4","8","1") = "7"
    & skf18("2","1","2","2","4","9","1") = "8"
    & skf18("2","1","2","2","4","10","1") = "9"
    & skf18("2","1","2","2","5","1","1") = "4"
    & skf18("2","1","2","2","5","2","1") = "4"
    & skf18("2","1","2","2","5","3","1") = "4"
    & skf18("2","1","2","2","5","4","1") = "4"
    & skf18("2","1","2","2","5","5","1") = "4"
    & skf18("2","1","2","2","5","6","1") = "5"
    & skf18("2","1","2","2","5","7","1") = "6"
    & skf18("2","1","2","2","5","8","1") = "7"
    & skf18("2","1","2","2","5","9","1") = "8"
    & skf18("2","1","2","2","5","10","1") = "9"
    & skf18("2","1","2","2","6","1","1") = "5"
    & skf18("2","1","2","2","6","2","1") = "5"
    & skf18("2","1","2","2","6","3","1") = "5"
    & skf18("2","1","2","2","6","4","1") = "5"
    & skf18("2","1","2","2","6","5","1") = "5"
    & skf18("2","1","2","2","6","6","1") = "5"
    & skf18("2","1","2","2","6","7","1") = "6"
    & skf18("2","1","2","2","6","8","1") = "7"
    & skf18("2","1","2","2","6","9","1") = "8"
    & skf18("2","1","2","2","6","10","1") = "9"
    & skf18("2","1","2","2","7","1","1") = "6"
    & skf18("2","1","2","2","7","2","1") = "6"
    & skf18("2","1","2","2","7","3","1") = "6"
    & skf18("2","1","2","2","7","4","1") = "6"
    & skf18("2","1","2","2","7","5","1") = "6"
    & skf18("2","1","2","2","7","6","1") = "6"
    & skf18("2","1","2","2","7","7","1") = "6"
    & skf18("2","1","2","2","7","8","1") = "7"
    & skf18("2","1","2","2","7","9","1") = "8"
    & skf18("2","1","2","2","7","10","1") = "9"
    & skf18("2","1","2","2","8","1","1") = "7"
    & skf18("2","1","2","2","8","2","1") = "7"
    & skf18("2","1","2","2","8","3","1") = "7"
    & skf18("2","1","2","2","8","4","1") = "7"
    & skf18("2","1","2","2","8","5","1") = "7"
    & skf18("2","1","2","2","8","6","1") = "7"
    & skf18("2","1","2","2","8","7","1") = "7"
    & skf18("2","1","2","2","8","8","1") = "7"
    & skf18("2","1","2","2","8","9","1") = "8"
    & skf18("2","1","2","2","8","10","1") = "9"
    & skf18("2","1","2","2","9","1","1") = "8"
    & skf18("2","1","2","2","9","2","1") = "8"
    & skf18("2","1","2","2","9","3","1") = "8"
    & skf18("2","1","2","2","9","4","1") = "8"
    & skf18("2","1","2","2","9","5","1") = "8"
    & skf18("2","1","2","2","9","6","1") = "8"
    & skf18("2","1","2","2","9","7","1") = "8"
    & skf18("2","1","2","2","9","8","1") = "8"
    & skf18("2","1","2","2","9","9","1") = "8"
    & skf18("2","1","2","2","9","10","1") = "9"
    & skf18("2","1","2","2","10","1","1") = "9"
    & skf18("2","1","2","2","10","2","1") = "9"
    & skf18("2","1","2","2","10","3","1") = "9"
    & skf18("2","1","2","2","10","4","1") = "9"
    & skf18("2","1","2","2","10","5","1") = "9"
    & skf18("2","1","2","2","10","6","1") = "9"
    & skf18("2","1","2","2","10","7","1") = "9"
    & skf18("2","1","2","2","10","8","1") = "9"
    & skf18("2","1","2","2","10","9","1") = "9"
    & skf18("2","1","2","2","10","10","1") = "9"
    & skf18("2","1","2","3","1","1","1") = "2"
    & skf18("2","1","2","3","1","2","1") = "2"
    & skf18("2","1","2","3","1","3","1") = "2"
    & skf18("2","1","2","3","1","4","1") = "3"
    & skf18("2","1","2","3","1","5","1") = "4"
    & skf18("2","1","2","3","1","6","1") = "5"
    & skf18("2","1","2","3","1","7","1") = "6"
    & skf18("2","1","2","3","1","8","1") = "7"
    & skf18("2","1","2","3","1","9","1") = "8"
    & skf18("2","1","2","3","1","10","1") = "9"
    & skf18("2","1","2","3","2","1","1") = "2"
    & skf18("2","1","2","3","2","2","1") = "1"
    & skf18("2","1","2","3","2","3","1") = "2"
    & skf18("2","1","2","3","2","4","1") = "3"
    & skf18("2","1","2","3","2","5","1") = "4"
    & skf18("2","1","2","3","2","6","1") = "5"
    & skf18("2","1","2","3","2","7","1") = "6"
    & skf18("2","1","2","3","2","8","1") = "7"
    & skf18("2","1","2","3","2","9","1") = "8"
    & skf18("2","1","2","3","2","10","1") = "9"
    & skf18("2","1","2","3","3","1","1") = "2"
    & skf18("2","1","2","3","3","2","1") = "2"
    & skf18("2","1","2","3","3","3","1") = "2"
    & skf18("2","1","2","3","3","4","1") = "3"
    & skf18("2","1","2","3","3","5","1") = "4"
    & skf18("2","1","2","3","3","6","1") = "5"
    & skf18("2","1","2","3","3","7","1") = "6"
    & skf18("2","1","2","3","3","8","1") = "7"
    & skf18("2","1","2","3","3","9","1") = "8"
    & skf18("2","1","2","3","3","10","1") = "9"
    & skf18("2","1","2","3","4","1","1") = "3"
    & skf18("2","1","2","3","4","2","1") = "3"
    & skf18("2","1","2","3","4","3","1") = "3"
    & skf18("2","1","2","3","4","4","1") = "3"
    & skf18("2","1","2","3","4","5","1") = "4"
    & skf18("2","1","2","3","4","6","1") = "5"
    & skf18("2","1","2","3","4","7","1") = "6"
    & skf18("2","1","2","3","4","8","1") = "7"
    & skf18("2","1","2","3","4","9","1") = "8"
    & skf18("2","1","2","3","4","10","1") = "9"
    & skf18("2","1","2","3","5","1","1") = "4"
    & skf18("2","1","2","3","5","2","1") = "4"
    & skf18("2","1","2","3","5","3","1") = "4"
    & skf18("2","1","2","3","5","4","1") = "4"
    & skf18("2","1","2","3","5","5","1") = "4"
    & skf18("2","1","2","3","5","6","1") = "5"
    & skf18("2","1","2","3","5","7","1") = "6"
    & skf18("2","1","2","3","5","8","1") = "7"
    & skf18("2","1","2","3","5","9","1") = "8"
    & skf18("2","1","2","3","5","10","1") = "9"
    & skf18("2","1","2","3","6","1","1") = "5"
    & skf18("2","1","2","3","6","2","1") = "5"
    & skf18("2","1","2","3","6","3","1") = "5"
    & skf18("2","1","2","3","6","4","1") = "5"
    & skf18("2","1","2","3","6","5","1") = "5"
    & skf18("2","1","2","3","6","6","1") = "5"
    & skf18("2","1","2","3","6","7","1") = "6"
    & skf18("2","1","2","3","6","8","1") = "7"
    & skf18("2","1","2","3","6","9","1") = "8"
    & skf18("2","1","2","3","6","10","1") = "9"
    & skf18("2","1","2","3","7","1","1") = "6"
    & skf18("2","1","2","3","7","2","1") = "6"
    & skf18("2","1","2","3","7","3","1") = "6"
    & skf18("2","1","2","3","7","4","1") = "6"
    & skf18("2","1","2","3","7","5","1") = "6"
    & skf18("2","1","2","3","7","6","1") = "6"
    & skf18("2","1","2","3","7","7","1") = "6"
    & skf18("2","1","2","3","7","8","1") = "7"
    & skf18("2","1","2","3","7","9","1") = "8"
    & skf18("2","1","2","3","7","10","1") = "9"
    & skf18("2","1","2","3","8","1","1") = "7"
    & skf18("2","1","2","3","8","2","1") = "7"
    & skf18("2","1","2","3","8","3","1") = "7"
    & skf18("2","1","2","3","8","4","1") = "7"
    & skf18("2","1","2","3","8","5","1") = "7"
    & skf18("2","1","2","3","8","6","1") = "7"
    & skf18("2","1","2","3","8","7","1") = "7"
    & skf18("2","1","2","3","8","8","1") = "7"
    & skf18("2","1","2","3","8","9","1") = "8"
    & skf18("2","1","2","3","8","10","1") = "9"
    & skf18("2","1","2","3","9","1","1") = "8"
    & skf18("2","1","2","3","9","2","1") = "8"
    & skf18("2","1","2","3","9","3","1") = "8"
    & skf18("2","1","2","3","9","4","1") = "8"
    & skf18("2","1","2","3","9","5","1") = "8"
    & skf18("2","1","2","3","9","6","1") = "8"
    & skf18("2","1","2","3","9","7","1") = "8"
    & skf18("2","1","2","3","9","8","1") = "8"
    & skf18("2","1","2","3","9","9","1") = "8"
    & skf18("2","1","2","3","9","10","1") = "9"
    & skf18("2","1","2","3","10","1","1") = "9"
    & skf18("2","1","2","3","10","2","1") = "9"
    & skf18("2","1","2","3","10","3","1") = "9"
    & skf18("2","1","2","3","10","4","1") = "9"
    & skf18("2","1","2","3","10","5","1") = "9"
    & skf18("2","1","2","3","10","6","1") = "9"
    & skf18("2","1","2","3","10","7","1") = "9"
    & skf18("2","1","2","3","10","8","1") = "9"
    & skf18("2","1","2","3","10","9","1") = "9"
    & skf18("2","1","2","3","10","10","1") = "9"
    & skf18("2","1","2","4","1","1","1") = "3"
    & skf18("2","1","2","4","1","2","1") = "3"
    & skf18("2","1","2","4","1","3","1") = "3"
    & skf18("2","1","2","4","1","4","1") = "3"
    & skf18("2","1","2","4","1","5","1") = "4"
    & skf18("2","1","2","4","1","6","1") = "5"
    & skf18("2","1","2","4","1","7","1") = "6"
    & skf18("2","1","2","4","1","8","1") = "7"
    & skf18("2","1","2","4","1","9","1") = "8"
    & skf18("2","1","2","4","1","10","1") = "9"
    & skf18("2","1","2","4","2","1","1") = "3"
    & skf18("2","1","2","4","2","2","1") = "3"
    & skf18("2","1","2","4","2","3","1") = "3"
    & skf18("2","1","2","4","2","4","1") = "3"
    & skf18("2","1","2","4","2","5","1") = "4"
    & skf18("2","1","2","4","2","6","1") = "5"
    & skf18("2","1","2","4","2","7","1") = "6"
    & skf18("2","1","2","4","2","8","1") = "7"
    & skf18("2","1","2","4","2","9","1") = "8"
    & skf18("2","1","2","4","2","10","1") = "9"
    & skf18("2","1","2","4","3","1","1") = "3"
    & skf18("2","1","2","4","3","2","1") = "3"
    & skf18("2","1","2","4","3","3","1") = "3"
    & skf18("2","1","2","4","3","4","1") = "3"
    & skf18("2","1","2","4","3","5","1") = "4"
    & skf18("2","1","2","4","3","6","1") = "5"
    & skf18("2","1","2","4","3","7","1") = "6"
    & skf18("2","1","2","4","3","8","1") = "7"
    & skf18("2","1","2","4","3","9","1") = "8"
    & skf18("2","1","2","4","3","10","1") = "9"
    & skf18("2","1","2","4","4","1","1") = "3"
    & skf18("2","1","2","4","4","2","1") = "3"
    & skf18("2","1","2","4","4","3","1") = "3"
    & skf18("2","1","2","4","4","4","1") = "3"
    & skf18("2","1","2","4","4","5","1") = "4"
    & skf18("2","1","2","4","4","6","1") = "5"
    & skf18("2","1","2","4","4","7","1") = "6"
    & skf18("2","1","2","4","4","8","1") = "7"
    & skf18("2","1","2","4","4","9","1") = "8"
    & skf18("2","1","2","4","4","10","1") = "9"
    & skf18("2","1","2","4","5","1","1") = "4"
    & skf18("2","1","2","4","5","2","1") = "4"
    & skf18("2","1","2","4","5","3","1") = "4"
    & skf18("2","1","2","4","5","4","1") = "4"
    & skf18("2","1","2","4","5","5","1") = "4"
    & skf18("2","1","2","4","5","6","1") = "5"
    & skf18("2","1","2","4","5","7","1") = "6"
    & skf18("2","1","2","4","5","8","1") = "7"
    & skf18("2","1","2","4","5","9","1") = "8"
    & skf18("2","1","2","4","5","10","1") = "9"
    & skf18("2","1","2","4","6","1","1") = "5"
    & skf18("2","1","2","4","6","2","1") = "5"
    & skf18("2","1","2","4","6","3","1") = "5"
    & skf18("2","1","2","4","6","4","1") = "5"
    & skf18("2","1","2","4","6","5","1") = "5"
    & skf18("2","1","2","4","6","6","1") = "5"
    & skf18("2","1","2","4","6","7","1") = "6"
    & skf18("2","1","2","4","6","8","1") = "7"
    & skf18("2","1","2","4","6","9","1") = "8"
    & skf18("2","1","2","4","6","10","1") = "9"
    & skf18("2","1","2","4","7","1","1") = "6"
    & skf18("2","1","2","4","7","2","1") = "6"
    & skf18("2","1","2","4","7","3","1") = "6"
    & skf18("2","1","2","4","7","4","1") = "6"
    & skf18("2","1","2","4","7","5","1") = "6"
    & skf18("2","1","2","4","7","6","1") = "6"
    & skf18("2","1","2","4","7","7","1") = "6"
    & skf18("2","1","2","4","7","8","1") = "7"
    & skf18("2","1","2","4","7","9","1") = "8"
    & skf18("2","1","2","4","7","10","1") = "9"
    & skf18("2","1","2","4","8","1","1") = "7"
    & skf18("2","1","2","4","8","2","1") = "7"
    & skf18("2","1","2","4","8","3","1") = "7"
    & skf18("2","1","2","4","8","4","1") = "7"
    & skf18("2","1","2","4","8","5","1") = "7"
    & skf18("2","1","2","4","8","6","1") = "7"
    & skf18("2","1","2","4","8","7","1") = "7"
    & skf18("2","1","2","4","8","8","1") = "7"
    & skf18("2","1","2","4","8","9","1") = "8"
    & skf18("2","1","2","4","8","10","1") = "9"
    & skf18("2","1","2","4","9","1","1") = "8"
    & skf18("2","1","2","4","9","2","1") = "8"
    & skf18("2","1","2","4","9","3","1") = "8"
    & skf18("2","1","2","4","9","4","1") = "8"
    & skf18("2","1","2","4","9","5","1") = "8"
    & skf18("2","1","2","4","9","6","1") = "8"
    & skf18("2","1","2","4","9","7","1") = "8"
    & skf18("2","1","2","4","9","8","1") = "8"
    & skf18("2","1","2","4","9","9","1") = "8"
    & skf18("2","1","2","4","9","10","1") = "9"
    & skf18("2","1","2","4","10","1","1") = "9"
    & skf18("2","1","2","4","10","2","1") = "9"
    & skf18("2","1","2","4","10","3","1") = "9"
    & skf18("2","1","2","4","10","4","1") = "9"
    & skf18("2","1","2","4","10","5","1") = "9"
    & skf18("2","1","2","4","10","6","1") = "9"
    & skf18("2","1","2","4","10","7","1") = "9"
    & skf18("2","1","2","4","10","8","1") = "9"
    & skf18("2","1","2","4","10","9","1") = "9"
    & skf18("2","1","2","4","10","10","1") = "9"
    & skf18("2","1","2","5","1","1","1") = "4"
    & skf18("2","1","2","5","1","2","1") = "4"
    & skf18("2","1","2","5","1","3","1") = "4"
    & skf18("2","1","2","5","1","4","1") = "4"
    & skf18("2","1","2","5","1","5","1") = "4"
    & skf18("2","1","2","5","1","6","1") = "5"
    & skf18("2","1","2","5","1","7","1") = "6"
    & skf18("2","1","2","5","1","8","1") = "7"
    & skf18("2","1","2","5","1","9","1") = "8"
    & skf18("2","1","2","5","1","10","1") = "9"
    & skf18("2","1","2","5","2","1","1") = "4"
    & skf18("2","1","2","5","2","2","1") = "4"
    & skf18("2","1","2","5","2","3","1") = "4"
    & skf18("2","1","2","5","2","4","1") = "4"
    & skf18("2","1","2","5","2","5","1") = "4"
    & skf18("2","1","2","5","2","6","1") = "5"
    & skf18("2","1","2","5","2","7","1") = "6"
    & skf18("2","1","2","5","2","8","1") = "7"
    & skf18("2","1","2","5","2","9","1") = "8"
    & skf18("2","1","2","5","2","10","1") = "9"
    & skf18("2","1","2","5","3","1","1") = "4"
    & skf18("2","1","2","5","3","2","1") = "4"
    & skf18("2","1","2","5","3","3","1") = "4"
    & skf18("2","1","2","5","3","4","1") = "4"
    & skf18("2","1","2","5","3","5","1") = "4"
    & skf18("2","1","2","5","3","6","1") = "5"
    & skf18("2","1","2","5","3","7","1") = "6"
    & skf18("2","1","2","5","3","8","1") = "7"
    & skf18("2","1","2","5","3","9","1") = "8"
    & skf18("2","1","2","5","3","10","1") = "9"
    & skf18("2","1","2","5","4","1","1") = "4"
    & skf18("2","1","2","5","4","2","1") = "4"
    & skf18("2","1","2","5","4","3","1") = "4"
    & skf18("2","1","2","5","4","4","1") = "4"
    & skf18("2","1","2","5","4","5","1") = "4"
    & skf18("2","1","2","5","4","6","1") = "5"
    & skf18("2","1","2","5","4","7","1") = "6"
    & skf18("2","1","2","5","4","8","1") = "7"
    & skf18("2","1","2","5","4","9","1") = "8"
    & skf18("2","1","2","5","4","10","1") = "9"
    & skf18("2","1","2","5","5","1","1") = "4"
    & skf18("2","1","2","5","5","2","1") = "4"
    & skf18("2","1","2","5","5","3","1") = "4"
    & skf18("2","1","2","5","5","4","1") = "4"
    & skf18("2","1","2","5","5","5","1") = "4"
    & skf18("2","1","2","5","5","6","1") = "5"
    & skf18("2","1","2","5","5","7","1") = "6"
    & skf18("2","1","2","5","5","8","1") = "7"
    & skf18("2","1","2","5","5","9","1") = "8"
    & skf18("2","1","2","5","5","10","1") = "9"
    & skf18("2","1","2","5","6","1","1") = "5"
    & skf18("2","1","2","5","6","2","1") = "5"
    & skf18("2","1","2","5","6","3","1") = "5"
    & skf18("2","1","2","5","6","4","1") = "5"
    & skf18("2","1","2","5","6","5","1") = "5"
    & skf18("2","1","2","5","6","6","1") = "5"
    & skf18("2","1","2","5","6","7","1") = "6"
    & skf18("2","1","2","5","6","8","1") = "7"
    & skf18("2","1","2","5","6","9","1") = "8"
    & skf18("2","1","2","5","6","10","1") = "9"
    & skf18("2","1","2","5","7","1","1") = "6"
    & skf18("2","1","2","5","7","2","1") = "6"
    & skf18("2","1","2","5","7","3","1") = "6"
    & skf18("2","1","2","5","7","4","1") = "6"
    & skf18("2","1","2","5","7","5","1") = "6"
    & skf18("2","1","2","5","7","6","1") = "6"
    & skf18("2","1","2","5","7","7","1") = "6"
    & skf18("2","1","2","5","7","8","1") = "7"
    & skf18("2","1","2","5","7","9","1") = "8"
    & skf18("2","1","2","5","7","10","1") = "9"
    & skf18("2","1","2","5","8","1","1") = "7"
    & skf18("2","1","2","5","8","2","1") = "7"
    & skf18("2","1","2","5","8","3","1") = "7"
    & skf18("2","1","2","5","8","4","1") = "7"
    & skf18("2","1","2","5","8","5","1") = "7"
    & skf18("2","1","2","5","8","6","1") = "7"
    & skf18("2","1","2","5","8","7","1") = "7"
    & skf18("2","1","2","5","8","8","1") = "7"
    & skf18("2","1","2","5","8","9","1") = "8"
    & skf18("2","1","2","5","8","10","1") = "9"
    & skf18("2","1","2","5","9","1","1") = "8"
    & skf18("2","1","2","5","9","2","1") = "8"
    & skf18("2","1","2","5","9","3","1") = "8"
    & skf18("2","1","2","5","9","4","1") = "8"
    & skf18("2","1","2","5","9","5","1") = "8"
    & skf18("2","1","2","5","9","6","1") = "8"
    & skf18("2","1","2","5","9","7","1") = "8"
    & skf18("2","1","2","5","9","8","1") = "8"
    & skf18("2","1","2","5","9","9","1") = "8"
    & skf18("2","1","2","5","9","10","1") = "9"
    & skf18("2","1","2","5","10","1","1") = "9"
    & skf18("2","1","2","5","10","2","1") = "9"
    & skf18("2","1","2","5","10","3","1") = "9"
    & skf18("2","1","2","5","10","4","1") = "9"
    & skf18("2","1","2","5","10","5","1") = "9"
    & skf18("2","1","2","5","10","6","1") = "9"
    & skf18("2","1","2","5","10","7","1") = "9"
    & skf18("2","1","2","5","10","8","1") = "9"
    & skf18("2","1","2","5","10","9","1") = "9"
    & skf18("2","1","2","5","10","10","1") = "9"
    & skf18("2","1","2","6","1","1","1") = "5"
    & skf18("2","1","2","6","1","2","1") = "5"
    & skf18("2","1","2","6","1","3","1") = "5"
    & skf18("2","1","2","6","1","4","1") = "5"
    & skf18("2","1","2","6","1","5","1") = "5"
    & skf18("2","1","2","6","1","6","1") = "5"
    & skf18("2","1","2","6","1","7","1") = "6"
    & skf18("2","1","2","6","1","8","1") = "7"
    & skf18("2","1","2","6","1","9","1") = "8"
    & skf18("2","1","2","6","1","10","1") = "9"
    & skf18("2","1","2","6","2","1","1") = "5"
    & skf18("2","1","2","6","2","2","1") = "5"
    & skf18("2","1","2","6","2","3","1") = "5"
    & skf18("2","1","2","6","2","4","1") = "5"
    & skf18("2","1","2","6","2","5","1") = "5"
    & skf18("2","1","2","6","2","6","1") = "5"
    & skf18("2","1","2","6","2","7","1") = "6"
    & skf18("2","1","2","6","2","8","1") = "7"
    & skf18("2","1","2","6","2","9","1") = "8"
    & skf18("2","1","2","6","2","10","1") = "9"
    & skf18("2","1","2","6","3","1","1") = "5"
    & skf18("2","1","2","6","3","2","1") = "5"
    & skf18("2","1","2","6","3","3","1") = "5"
    & skf18("2","1","2","6","3","4","1") = "5"
    & skf18("2","1","2","6","3","5","1") = "5"
    & skf18("2","1","2","6","3","6","1") = "5"
    & skf18("2","1","2","6","3","7","1") = "6"
    & skf18("2","1","2","6","3","8","1") = "7"
    & skf18("2","1","2","6","3","9","1") = "8"
    & skf18("2","1","2","6","3","10","1") = "9"
    & skf18("2","1","2","6","4","1","1") = "5"
    & skf18("2","1","2","6","4","2","1") = "5"
    & skf18("2","1","2","6","4","3","1") = "5"
    & skf18("2","1","2","6","4","4","1") = "5"
    & skf18("2","1","2","6","4","5","1") = "5"
    & skf18("2","1","2","6","4","6","1") = "5"
    & skf18("2","1","2","6","4","7","1") = "6"
    & skf18("2","1","2","6","4","8","1") = "7"
    & skf18("2","1","2","6","4","9","1") = "8"
    & skf18("2","1","2","6","4","10","1") = "9"
    & skf18("2","1","2","6","5","1","1") = "5"
    & skf18("2","1","2","6","5","2","1") = "5"
    & skf18("2","1","2","6","5","3","1") = "5"
    & skf18("2","1","2","6","5","4","1") = "5"
    & skf18("2","1","2","6","5","5","1") = "5"
    & skf18("2","1","2","6","5","6","1") = "5"
    & skf18("2","1","2","6","5","7","1") = "6"
    & skf18("2","1","2","6","5","8","1") = "7"
    & skf18("2","1","2","6","5","9","1") = "8"
    & skf18("2","1","2","6","5","10","1") = "9"
    & skf18("2","1","2","6","6","1","1") = "5"
    & skf18("2","1","2","6","6","2","1") = "5"
    & skf18("2","1","2","6","6","3","1") = "5"
    & skf18("2","1","2","6","6","4","1") = "5"
    & skf18("2","1","2","6","6","5","1") = "5"
    & skf18("2","1","2","6","6","6","1") = "5"
    & skf18("2","1","2","6","6","7","1") = "6"
    & skf18("2","1","2","6","6","8","1") = "7"
    & skf18("2","1","2","6","6","9","1") = "8"
    & skf18("2","1","2","6","6","10","1") = "9"
    & skf18("2","1","2","6","7","1","1") = "6"
    & skf18("2","1","2","6","7","2","1") = "6"
    & skf18("2","1","2","6","7","3","1") = "6"
    & skf18("2","1","2","6","7","4","1") = "6"
    & skf18("2","1","2","6","7","5","1") = "6"
    & skf18("2","1","2","6","7","6","1") = "6"
    & skf18("2","1","2","6","7","7","1") = "6"
    & skf18("2","1","2","6","7","8","1") = "7"
    & skf18("2","1","2","6","7","9","1") = "8"
    & skf18("2","1","2","6","7","10","1") = "9"
    & skf18("2","1","2","6","8","1","1") = "7"
    & skf18("2","1","2","6","8","2","1") = "7"
    & skf18("2","1","2","6","8","3","1") = "7"
    & skf18("2","1","2","6","8","4","1") = "7"
    & skf18("2","1","2","6","8","5","1") = "7"
    & skf18("2","1","2","6","8","6","1") = "7"
    & skf18("2","1","2","6","8","7","1") = "7"
    & skf18("2","1","2","6","8","8","1") = "7"
    & skf18("2","1","2","6","8","9","1") = "8"
    & skf18("2","1","2","6","8","10","1") = "9"
    & skf18("2","1","2","6","9","1","1") = "8"
    & skf18("2","1","2","6","9","2","1") = "8"
    & skf18("2","1","2","6","9","3","1") = "8"
    & skf18("2","1","2","6","9","4","1") = "8"
    & skf18("2","1","2","6","9","5","1") = "8"
    & skf18("2","1","2","6","9","6","1") = "8"
    & skf18("2","1","2","6","9","7","1") = "8"
    & skf18("2","1","2","6","9","8","1") = "8"
    & skf18("2","1","2","6","9","9","1") = "8"
    & skf18("2","1","2","6","9","10","1") = "9"
    & skf18("2","1","2","6","10","1","1") = "9"
    & skf18("2","1","2","6","10","2","1") = "9"
    & skf18("2","1","2","6","10","3","1") = "9"
    & skf18("2","1","2","6","10","4","1") = "9"
    & skf18("2","1","2","6","10","5","1") = "9"
    & skf18("2","1","2","6","10","6","1") = "9"
    & skf18("2","1","2","6","10","7","1") = "9"
    & skf18("2","1","2","6","10","8","1") = "9"
    & skf18("2","1","2","6","10","9","1") = "9"
    & skf18("2","1","2","6","10","10","1") = "9"
    & skf18("2","1","2","7","1","1","1") = "6"
    & skf18("2","1","2","7","1","2","1") = "6"
    & skf18("2","1","2","7","1","3","1") = "6"
    & skf18("2","1","2","7","1","4","1") = "6"
    & skf18("2","1","2","7","1","5","1") = "6"
    & skf18("2","1","2","7","1","6","1") = "6"
    & skf18("2","1","2","7","1","7","1") = "6"
    & skf18("2","1","2","7","1","8","1") = "7"
    & skf18("2","1","2","7","1","9","1") = "8"
    & skf18("2","1","2","7","1","10","1") = "9"
    & skf18("2","1","2","7","2","1","1") = "6"
    & skf18("2","1","2","7","2","2","1") = "6"
    & skf18("2","1","2","7","2","3","1") = "6"
    & skf18("2","1","2","7","2","4","1") = "6"
    & skf18("2","1","2","7","2","5","1") = "6"
    & skf18("2","1","2","7","2","6","1") = "6"
    & skf18("2","1","2","7","2","7","1") = "6"
    & skf18("2","1","2","7","2","8","1") = "7"
    & skf18("2","1","2","7","2","9","1") = "8"
    & skf18("2","1","2","7","2","10","1") = "9"
    & skf18("2","1","2","7","3","1","1") = "6"
    & skf18("2","1","2","7","3","2","1") = "6"
    & skf18("2","1","2","7","3","3","1") = "6"
    & skf18("2","1","2","7","3","4","1") = "6"
    & skf18("2","1","2","7","3","5","1") = "6"
    & skf18("2","1","2","7","3","6","1") = "6"
    & skf18("2","1","2","7","3","7","1") = "6"
    & skf18("2","1","2","7","3","8","1") = "7"
    & skf18("2","1","2","7","3","9","1") = "8"
    & skf18("2","1","2","7","3","10","1") = "9"
    & skf18("2","1","2","7","4","1","1") = "6"
    & skf18("2","1","2","7","4","2","1") = "6"
    & skf18("2","1","2","7","4","3","1") = "6"
    & skf18("2","1","2","7","4","4","1") = "6"
    & skf18("2","1","2","7","4","5","1") = "6"
    & skf18("2","1","2","7","4","6","1") = "6"
    & skf18("2","1","2","7","4","7","1") = "6"
    & skf18("2","1","2","7","4","8","1") = "7"
    & skf18("2","1","2","7","4","9","1") = "8"
    & skf18("2","1","2","7","4","10","1") = "9"
    & skf18("2","1","2","7","5","1","1") = "6"
    & skf18("2","1","2","7","5","2","1") = "6"
    & skf18("2","1","2","7","5","3","1") = "6"
    & skf18("2","1","2","7","5","4","1") = "6"
    & skf18("2","1","2","7","5","5","1") = "6"
    & skf18("2","1","2","7","5","6","1") = "6"
    & skf18("2","1","2","7","5","7","1") = "6"
    & skf18("2","1","2","7","5","8","1") = "7"
    & skf18("2","1","2","7","5","9","1") = "8"
    & skf18("2","1","2","7","5","10","1") = "9"
    & skf18("2","1","2","7","6","1","1") = "6"
    & skf18("2","1","2","7","6","2","1") = "6"
    & skf18("2","1","2","7","6","3","1") = "6"
    & skf18("2","1","2","7","6","4","1") = "6"
    & skf18("2","1","2","7","6","5","1") = "6"
    & skf18("2","1","2","7","6","6","1") = "6"
    & skf18("2","1","2","7","6","7","1") = "6"
    & skf18("2","1","2","7","6","8","1") = "7"
    & skf18("2","1","2","7","6","9","1") = "8"
    & skf18("2","1","2","7","6","10","1") = "9"
    & skf18("2","1","2","7","7","1","1") = "6"
    & skf18("2","1","2","7","7","2","1") = "6"
    & skf18("2","1","2","7","7","3","1") = "6"
    & skf18("2","1","2","7","7","4","1") = "6"
    & skf18("2","1","2","7","7","5","1") = "6"
    & skf18("2","1","2","7","7","6","1") = "6"
    & skf18("2","1","2","7","7","7","1") = "6"
    & skf18("2","1","2","7","7","8","1") = "7"
    & skf18("2","1","2","7","7","9","1") = "8"
    & skf18("2","1","2","7","7","10","1") = "9"
    & skf18("2","1","2","7","8","1","1") = "7"
    & skf18("2","1","2","7","8","2","1") = "7"
    & skf18("2","1","2","7","8","3","1") = "7"
    & skf18("2","1","2","7","8","4","1") = "7"
    & skf18("2","1","2","7","8","5","1") = "7"
    & skf18("2","1","2","7","8","6","1") = "7"
    & skf18("2","1","2","7","8","7","1") = "7"
    & skf18("2","1","2","7","8","8","1") = "7"
    & skf18("2","1","2","7","8","9","1") = "8"
    & skf18("2","1","2","7","8","10","1") = "9"
    & skf18("2","1","2","7","9","1","1") = "8"
    & skf18("2","1","2","7","9","2","1") = "8"
    & skf18("2","1","2","7","9","3","1") = "8"
    & skf18("2","1","2","7","9","4","1") = "8"
    & skf18("2","1","2","7","9","5","1") = "8"
    & skf18("2","1","2","7","9","6","1") = "8"
    & skf18("2","1","2","7","9","7","1") = "8"
    & skf18("2","1","2","7","9","8","1") = "8"
    & skf18("2","1","2","7","9","9","1") = "8"
    & skf18("2","1","2","7","9","10","1") = "9"
    & skf18("2","1","2","7","10","1","1") = "9"
    & skf18("2","1","2","7","10","2","1") = "9"
    & skf18("2","1","2","7","10","3","1") = "9"
    & skf18("2","1","2","7","10","4","1") = "9"
    & skf18("2","1","2","7","10","5","1") = "9"
    & skf18("2","1","2","7","10","6","1") = "9"
    & skf18("2","1","2","7","10","7","1") = "9"
    & skf18("2","1","2","7","10","8","1") = "9"
    & skf18("2","1","2","7","10","9","1") = "9"
    & skf18("2","1","2","7","10","10","1") = "9"
    & skf18("2","1","2","8","1","1","1") = "7"
    & skf18("2","1","2","8","1","2","1") = "7"
    & skf18("2","1","2","8","1","3","1") = "7"
    & skf18("2","1","2","8","1","4","1") = "7"
    & skf18("2","1","2","8","1","5","1") = "7"
    & skf18("2","1","2","8","1","6","1") = "7"
    & skf18("2","1","2","8","1","7","1") = "7"
    & skf18("2","1","2","8","1","8","1") = "7"
    & skf18("2","1","2","8","1","9","1") = "8"
    & skf18("2","1","2","8","1","10","1") = "9"
    & skf18("2","1","2","8","2","1","1") = "7"
    & skf18("2","1","2","8","2","2","1") = "7"
    & skf18("2","1","2","8","2","3","1") = "7"
    & skf18("2","1","2","8","2","4","1") = "7"
    & skf18("2","1","2","8","2","5","1") = "7"
    & skf18("2","1","2","8","2","6","1") = "7"
    & skf18("2","1","2","8","2","7","1") = "7"
    & skf18("2","1","2","8","2","8","1") = "7"
    & skf18("2","1","2","8","2","9","1") = "8"
    & skf18("2","1","2","8","2","10","1") = "9"
    & skf18("2","1","2","8","3","1","1") = "7"
    & skf18("2","1","2","8","3","2","1") = "7"
    & skf18("2","1","2","8","3","3","1") = "7"
    & skf18("2","1","2","8","3","4","1") = "7"
    & skf18("2","1","2","8","3","5","1") = "7"
    & skf18("2","1","2","8","3","6","1") = "7"
    & skf18("2","1","2","8","3","7","1") = "7"
    & skf18("2","1","2","8","3","8","1") = "7"
    & skf18("2","1","2","8","3","9","1") = "8"
    & skf18("2","1","2","8","3","10","1") = "9"
    & skf18("2","1","2","8","4","1","1") = "7"
    & skf18("2","1","2","8","4","2","1") = "7"
    & skf18("2","1","2","8","4","3","1") = "7"
    & skf18("2","1","2","8","4","4","1") = "7"
    & skf18("2","1","2","8","4","5","1") = "7"
    & skf18("2","1","2","8","4","6","1") = "7"
    & skf18("2","1","2","8","4","7","1") = "7"
    & skf18("2","1","2","8","4","8","1") = "7"
    & skf18("2","1","2","8","4","9","1") = "8"
    & skf18("2","1","2","8","4","10","1") = "9"
    & skf18("2","1","2","8","5","1","1") = "7"
    & skf18("2","1","2","8","5","2","1") = "7"
    & skf18("2","1","2","8","5","3","1") = "7"
    & skf18("2","1","2","8","5","4","1") = "7"
    & skf18("2","1","2","8","5","5","1") = "7"
    & skf18("2","1","2","8","5","6","1") = "7"
    & skf18("2","1","2","8","5","7","1") = "7"
    & skf18("2","1","2","8","5","8","1") = "7"
    & skf18("2","1","2","8","5","9","1") = "8"
    & skf18("2","1","2","8","5","10","1") = "9"
    & skf18("2","1","2","8","6","1","1") = "7"
    & skf18("2","1","2","8","6","2","1") = "7"
    & skf18("2","1","2","8","6","3","1") = "7"
    & skf18("2","1","2","8","6","4","1") = "7"
    & skf18("2","1","2","8","6","5","1") = "7"
    & skf18("2","1","2","8","6","6","1") = "7"
    & skf18("2","1","2","8","6","7","1") = "7"
    & skf18("2","1","2","8","6","8","1") = "7"
    & skf18("2","1","2","8","6","9","1") = "8"
    & skf18("2","1","2","8","6","10","1") = "9"
    & skf18("2","1","2","8","7","1","1") = "7"
    & skf18("2","1","2","8","7","2","1") = "7"
    & skf18("2","1","2","8","7","3","1") = "7"
    & skf18("2","1","2","8","7","4","1") = "7"
    & skf18("2","1","2","8","7","5","1") = "7"
    & skf18("2","1","2","8","7","6","1") = "7"
    & skf18("2","1","2","8","7","7","1") = "7"
    & skf18("2","1","2","8","7","8","1") = "7"
    & skf18("2","1","2","8","7","9","1") = "8"
    & skf18("2","1","2","8","7","10","1") = "9"
    & skf18("2","1","2","8","8","1","1") = "7"
    & skf18("2","1","2","8","8","2","1") = "7"
    & skf18("2","1","2","8","8","3","1") = "7"
    & skf18("2","1","2","8","8","4","1") = "7"
    & skf18("2","1","2","8","8","5","1") = "7"
    & skf18("2","1","2","8","8","6","1") = "7"
    & skf18("2","1","2","8","8","7","1") = "7"
    & skf18("2","1","2","8","8","8","1") = "7"
    & skf18("2","1","2","8","8","9","1") = "8"
    & skf18("2","1","2","8","8","10","1") = "9"
    & skf18("2","1","2","8","9","1","1") = "8"
    & skf18("2","1","2","8","9","2","1") = "8"
    & skf18("2","1","2","8","9","3","1") = "8"
    & skf18("2","1","2","8","9","4","1") = "8"
    & skf18("2","1","2","8","9","5","1") = "8"
    & skf18("2","1","2","8","9","6","1") = "8"
    & skf18("2","1","2","8","9","7","1") = "8"
    & skf18("2","1","2","8","9","8","1") = "8"
    & skf18("2","1","2","8","9","9","1") = "8"
    & skf18("2","1","2","8","9","10","1") = "9"
    & skf18("2","1","2","8","10","1","1") = "9"
    & skf18("2","1","2","8","10","2","1") = "9"
    & skf18("2","1","2","8","10","3","1") = "9"
    & skf18("2","1","2","8","10","4","1") = "9"
    & skf18("2","1","2","8","10","5","1") = "9"
    & skf18("2","1","2","8","10","6","1") = "9"
    & skf18("2","1","2","8","10","7","1") = "9"
    & skf18("2","1","2","8","10","8","1") = "9"
    & skf18("2","1","2","8","10","9","1") = "9"
    & skf18("2","1","2","8","10","10","1") = "9"
    & skf18("2","1","2","9","1","1","1") = "8"
    & skf18("2","1","2","9","1","2","1") = "8"
    & skf18("2","1","2","9","1","3","1") = "8"
    & skf18("2","1","2","9","1","4","1") = "8"
    & skf18("2","1","2","9","1","5","1") = "8"
    & skf18("2","1","2","9","1","6","1") = "8"
    & skf18("2","1","2","9","1","7","1") = "8"
    & skf18("2","1","2","9","1","8","1") = "8"
    & skf18("2","1","2","9","1","9","1") = "8"
    & skf18("2","1","2","9","1","10","1") = "9"
    & skf18("2","1","2","9","2","1","1") = "8"
    & skf18("2","1","2","9","2","2","1") = "8"
    & skf18("2","1","2","9","2","3","1") = "8"
    & skf18("2","1","2","9","2","4","1") = "8"
    & skf18("2","1","2","9","2","5","1") = "8"
    & skf18("2","1","2","9","2","6","1") = "8"
    & skf18("2","1","2","9","2","7","1") = "8"
    & skf18("2","1","2","9","2","8","1") = "8"
    & skf18("2","1","2","9","2","9","1") = "8"
    & skf18("2","1","2","9","2","10","1") = "9"
    & skf18("2","1","2","9","3","1","1") = "8"
    & skf18("2","1","2","9","3","2","1") = "8"
    & skf18("2","1","2","9","3","3","1") = "8"
    & skf18("2","1","2","9","3","4","1") = "8"
    & skf18("2","1","2","9","3","5","1") = "8"
    & skf18("2","1","2","9","3","6","1") = "8"
    & skf18("2","1","2","9","3","7","1") = "8"
    & skf18("2","1","2","9","3","8","1") = "8"
    & skf18("2","1","2","9","3","9","1") = "8"
    & skf18("2","1","2","9","3","10","1") = "9"
    & skf18("2","1","2","9","4","1","1") = "8"
    & skf18("2","1","2","9","4","2","1") = "8"
    & skf18("2","1","2","9","4","3","1") = "8"
    & skf18("2","1","2","9","4","4","1") = "8"
    & skf18("2","1","2","9","4","5","1") = "8"
    & skf18("2","1","2","9","4","6","1") = "8"
    & skf18("2","1","2","9","4","7","1") = "8"
    & skf18("2","1","2","9","4","8","1") = "8"
    & skf18("2","1","2","9","4","9","1") = "8"
    & skf18("2","1","2","9","4","10","1") = "9"
    & skf18("2","1","2","9","5","1","1") = "8"
    & skf18("2","1","2","9","5","2","1") = "8"
    & skf18("2","1","2","9","5","3","1") = "8"
    & skf18("2","1","2","9","5","4","1") = "8"
    & skf18("2","1","2","9","5","5","1") = "8"
    & skf18("2","1","2","9","5","6","1") = "8"
    & skf18("2","1","2","9","5","7","1") = "8"
    & skf18("2","1","2","9","5","8","1") = "8"
    & skf18("2","1","2","9","5","9","1") = "8"
    & skf18("2","1","2","9","5","10","1") = "9"
    & skf18("2","1","2","9","6","1","1") = "8"
    & skf18("2","1","2","9","6","2","1") = "8"
    & skf18("2","1","2","9","6","3","1") = "8"
    & skf18("2","1","2","9","6","4","1") = "8"
    & skf18("2","1","2","9","6","5","1") = "8"
    & skf18("2","1","2","9","6","6","1") = "8"
    & skf18("2","1","2","9","6","7","1") = "8"
    & skf18("2","1","2","9","6","8","1") = "8"
    & skf18("2","1","2","9","6","9","1") = "8"
    & skf18("2","1","2","9","6","10","1") = "9"
    & skf18("2","1","2","9","7","1","1") = "8"
    & skf18("2","1","2","9","7","2","1") = "8"
    & skf18("2","1","2","9","7","3","1") = "8"
    & skf18("2","1","2","9","7","4","1") = "8"
    & skf18("2","1","2","9","7","5","1") = "8"
    & skf18("2","1","2","9","7","6","1") = "8"
    & skf18("2","1","2","9","7","7","1") = "8"
    & skf18("2","1","2","9","7","8","1") = "8"
    & skf18("2","1","2","9","7","9","1") = "8"
    & skf18("2","1","2","9","7","10","1") = "9"
    & skf18("2","1","2","9","8","1","1") = "8"
    & skf18("2","1","2","9","8","2","1") = "8"
    & skf18("2","1","2","9","8","3","1") = "8"
    & skf18("2","1","2","9","8","4","1") = "8"
    & skf18("2","1","2","9","8","5","1") = "8"
    & skf18("2","1","2","9","8","6","1") = "8"
    & skf18("2","1","2","9","8","7","1") = "8"
    & skf18("2","1","2","9","8","8","1") = "8"
    & skf18("2","1","2","9","8","9","1") = "8"
    & skf18("2","1","2","9","8","10","1") = "9"
    & skf18("2","1","2","9","9","1","1") = "8"
    & skf18("2","1","2","9","9","2","1") = "8"
    & skf18("2","1","2","9","9","3","1") = "8"
    & skf18("2","1","2","9","9","4","1") = "8"
    & skf18("2","1","2","9","9","5","1") = "8"
    & skf18("2","1","2","9","9","6","1") = "8"
    & skf18("2","1","2","9","9","7","1") = "8"
    & skf18("2","1","2","9","9","8","1") = "8"
    & skf18("2","1","2","9","9","9","1") = "8"
    & skf18("2","1","2","9","9","10","1") = "9"
    & skf18("2","1","2","9","10","1","1") = "9"
    & skf18("2","1","2","9","10","2","1") = "9"
    & skf18("2","1","2","9","10","3","1") = "9"
    & skf18("2","1","2","9","10","4","1") = "9"
    & skf18("2","1","2","9","10","5","1") = "9"
    & skf18("2","1","2","9","10","6","1") = "9"
    & skf18("2","1","2","9","10","7","1") = "9"
    & skf18("2","1","2","9","10","8","1") = "9"
    & skf18("2","1","2","9","10","9","1") = "9"
    & skf18("2","1","2","9","10","10","1") = "9"
    & skf18("2","1","2","10","1","1","1") = "9"
    & skf18("2","1","2","10","1","2","1") = "9"
    & skf18("2","1","2","10","1","3","1") = "9"
    & skf18("2","1","2","10","1","4","1") = "9"
    & skf18("2","1","2","10","1","5","1") = "9"
    & skf18("2","1","2","10","1","6","1") = "9"
    & skf18("2","1","2","10","1","7","1") = "9"
    & skf18("2","1","2","10","1","8","1") = "9"
    & skf18("2","1","2","10","1","9","1") = "9"
    & skf18("2","1","2","10","1","10","1") = "9"
    & skf18("2","1","2","10","2","1","1") = "9"
    & skf18("2","1","2","10","2","2","1") = "9"
    & skf18("2","1","2","10","2","3","1") = "9"
    & skf18("2","1","2","10","2","4","1") = "9"
    & skf18("2","1","2","10","2","5","1") = "9"
    & skf18("2","1","2","10","2","6","1") = "9"
    & skf18("2","1","2","10","2","7","1") = "9"
    & skf18("2","1","2","10","2","8","1") = "9"
    & skf18("2","1","2","10","2","9","1") = "9"
    & skf18("2","1","2","10","2","10","1") = "9"
    & skf18("2","1","2","10","3","1","1") = "9"
    & skf18("2","1","2","10","3","2","1") = "9"
    & skf18("2","1","2","10","3","3","1") = "9"
    & skf18("2","1","2","10","3","4","1") = "9"
    & skf18("2","1","2","10","3","5","1") = "9"
    & skf18("2","1","2","10","3","6","1") = "9"
    & skf18("2","1","2","10","3","7","1") = "9"
    & skf18("2","1","2","10","3","8","1") = "9"
    & skf18("2","1","2","10","3","9","1") = "9"
    & skf18("2","1","2","10","3","10","1") = "9"
    & skf18("2","1","2","10","4","1","1") = "9"
    & skf18("2","1","2","10","4","2","1") = "9"
    & skf18("2","1","2","10","4","3","1") = "9"
    & skf18("2","1","2","10","4","4","1") = "9"
    & skf18("2","1","2","10","4","5","1") = "9"
    & skf18("2","1","2","10","4","6","1") = "9"
    & skf18("2","1","2","10","4","7","1") = "9"
    & skf18("2","1","2","10","4","8","1") = "9"
    & skf18("2","1","2","10","4","9","1") = "9"
    & skf18("2","1","2","10","4","10","1") = "9"
    & skf18("2","1","2","10","5","1","1") = "9"
    & skf18("2","1","2","10","5","2","1") = "9"
    & skf18("2","1","2","10","5","3","1") = "9"
    & skf18("2","1","2","10","5","4","1") = "9"
    & skf18("2","1","2","10","5","5","1") = "9"
    & skf18("2","1","2","10","5","6","1") = "9"
    & skf18("2","1","2","10","5","7","1") = "9"
    & skf18("2","1","2","10","5","8","1") = "9"
    & skf18("2","1","2","10","5","9","1") = "9"
    & skf18("2","1","2","10","5","10","1") = "9"
    & skf18("2","1","2","10","6","1","1") = "9"
    & skf18("2","1","2","10","6","2","1") = "9"
    & skf18("2","1","2","10","6","3","1") = "9"
    & skf18("2","1","2","10","6","4","1") = "9"
    & skf18("2","1","2","10","6","5","1") = "9"
    & skf18("2","1","2","10","6","6","1") = "9"
    & skf18("2","1","2","10","6","7","1") = "9"
    & skf18("2","1","2","10","6","8","1") = "9"
    & skf18("2","1","2","10","6","9","1") = "9"
    & skf18("2","1","2","10","6","10","1") = "9"
    & skf18("2","1","2","10","7","1","1") = "9"
    & skf18("2","1","2","10","7","2","1") = "9"
    & skf18("2","1","2","10","7","3","1") = "9"
    & skf18("2","1","2","10","7","4","1") = "9"
    & skf18("2","1","2","10","7","5","1") = "9"
    & skf18("2","1","2","10","7","6","1") = "9"
    & skf18("2","1","2","10","7","7","1") = "9"
    & skf18("2","1","2","10","7","8","1") = "9"
    & skf18("2","1","2","10","7","9","1") = "9"
    & skf18("2","1","2","10","7","10","1") = "9"
    & skf18("2","1","2","10","8","1","1") = "9"
    & skf18("2","1","2","10","8","2","1") = "9"
    & skf18("2","1","2","10","8","3","1") = "9"
    & skf18("2","1","2","10","8","4","1") = "9"
    & skf18("2","1","2","10","8","5","1") = "9"
    & skf18("2","1","2","10","8","6","1") = "9"
    & skf18("2","1","2","10","8","7","1") = "9"
    & skf18("2","1","2","10","8","8","1") = "9"
    & skf18("2","1","2","10","8","9","1") = "9"
    & skf18("2","1","2","10","8","10","1") = "9"
    & skf18("2","1","2","10","9","1","1") = "9"
    & skf18("2","1","2","10","9","2","1") = "9"
    & skf18("2","1","2","10","9","3","1") = "9"
    & skf18("2","1","2","10","9","4","1") = "9"
    & skf18("2","1","2","10","9","5","1") = "9"
    & skf18("2","1","2","10","9","6","1") = "9"
    & skf18("2","1","2","10","9","7","1") = "9"
    & skf18("2","1","2","10","9","8","1") = "9"
    & skf18("2","1","2","10","9","9","1") = "9"
    & skf18("2","1","2","10","9","10","1") = "9"
    & skf18("2","1","2","10","10","1","1") = "9"
    & skf18("2","1","2","10","10","2","1") = "9"
    & skf18("2","1","2","10","10","3","1") = "9"
    & skf18("2","1","2","10","10","4","1") = "9"
    & skf18("2","1","2","10","10","5","1") = "9"
    & skf18("2","1","2","10","10","6","1") = "9"
    & skf18("2","1","2","10","10","7","1") = "9"
    & skf18("2","1","2","10","10","8","1") = "9"
    & skf18("2","1","2","10","10","9","1") = "9"
    & skf18("2","1","2","10","10","10","1") = "9"
    & skf18("2","1","3","1","1","1","1") = "2"
    & skf18("2","1","3","1","1","2","1") = "2"
    & skf18("2","1","3","1","1","3","1") = "2"
    & skf18("2","1","3","1","1","4","1") = "3"
    & skf18("2","1","3","1","1","5","1") = "4"
    & skf18("2","1","3","1","1","6","1") = "5"
    & skf18("2","1","3","1","1","7","1") = "6"
    & skf18("2","1","3","1","1","8","1") = "7"
    & skf18("2","1","3","1","1","9","1") = "8"
    & skf18("2","1","3","1","1","10","1") = "9"
    & skf18("2","1","3","1","2","1","1") = "2"
    & skf18("2","1","3","1","2","2","1") = "2"
    & skf18("2","1","3","1","2","3","1") = "2"
    & skf18("2","1","3","1","2","4","1") = "3"
    & skf18("2","1","3","1","2","5","1") = "4"
    & skf18("2","1","3","1","2","6","1") = "5"
    & skf18("2","1","3","1","2","7","1") = "6"
    & skf18("2","1","3","1","2","8","1") = "7"
    & skf18("2","1","3","1","2","9","1") = "8"
    & skf18("2","1","3","1","2","10","1") = "9"
    & skf18("2","1","3","1","3","1","1") = "2"
    & skf18("2","1","3","1","3","2","1") = "2"
    & skf18("2","1","3","1","3","3","1") = "2"
    & skf18("2","1","3","1","3","4","1") = "3"
    & skf18("2","1","3","1","3","5","1") = "4"
    & skf18("2","1","3","1","3","6","1") = "5"
    & skf18("2","1","3","1","3","7","1") = "6"
    & skf18("2","1","3","1","3","8","1") = "7"
    & skf18("2","1","3","1","3","9","1") = "8"
    & skf18("2","1","3","1","3","10","1") = "9"
    & skf18("2","1","3","1","4","1","1") = "3"
    & skf18("2","1","3","1","4","2","1") = "3"
    & skf18("2","1","3","1","4","3","1") = "3"
    & skf18("2","1","3","1","4","4","1") = "3"
    & skf18("2","1","3","1","4","5","1") = "4"
    & skf18("2","1","3","1","4","6","1") = "5"
    & skf18("2","1","3","1","4","7","1") = "6"
    & skf18("2","1","3","1","4","8","1") = "7"
    & skf18("2","1","3","1","4","9","1") = "8"
    & skf18("2","1","3","1","4","10","1") = "9"
    & skf18("2","1","3","1","5","1","1") = "4"
    & skf18("2","1","3","1","5","2","1") = "4"
    & skf18("2","1","3","1","5","3","1") = "4"
    & skf18("2","1","3","1","5","4","1") = "4"
    & skf18("2","1","3","1","5","5","1") = "4"
    & skf18("2","1","3","1","5","6","1") = "5"
    & skf18("2","1","3","1","5","7","1") = "6"
    & skf18("2","1","3","1","5","8","1") = "7"
    & skf18("2","1","3","1","5","9","1") = "8"
    & skf18("2","1","3","1","5","10","1") = "9"
    & skf18("2","1","3","1","6","1","1") = "5"
    & skf18("2","1","3","1","6","2","1") = "5"
    & skf18("2","1","3","1","6","3","1") = "5"
    & skf18("2","1","3","1","6","4","1") = "5"
    & skf18("2","1","3","1","6","5","1") = "5"
    & skf18("2","1","3","1","6","6","1") = "5"
    & skf18("2","1","3","1","6","7","1") = "6"
    & skf18("2","1","3","1","6","8","1") = "7"
    & skf18("2","1","3","1","6","9","1") = "8"
    & skf18("2","1","3","1","6","10","1") = "9"
    & skf18("2","1","3","1","7","1","1") = "6"
    & skf18("2","1","3","1","7","2","1") = "6"
    & skf18("2","1","3","1","7","3","1") = "6"
    & skf18("2","1","3","1","7","4","1") = "6"
    & skf18("2","1","3","1","7","5","1") = "6"
    & skf18("2","1","3","1","7","6","1") = "6"
    & skf18("2","1","3","1","7","7","1") = "6"
    & skf18("2","1","3","1","7","8","1") = "7"
    & skf18("2","1","3","1","7","9","1") = "8"
    & skf18("2","1","3","1","7","10","1") = "9"
    & skf18("2","1","3","1","8","1","1") = "7"
    & skf18("2","1","3","1","8","2","1") = "7"
    & skf18("2","1","3","1","8","3","1") = "7"
    & skf18("2","1","3","1","8","4","1") = "7"
    & skf18("2","1","3","1","8","5","1") = "7"
    & skf18("2","1","3","1","8","6","1") = "7"
    & skf18("2","1","3","1","8","7","1") = "7"
    & skf18("2","1","3","1","8","8","1") = "7"
    & skf18("2","1","3","1","8","9","1") = "8"
    & skf18("2","1","3","1","8","10","1") = "9"
    & skf18("2","1","3","1","9","1","1") = "8"
    & skf18("2","1","3","1","9","2","1") = "8"
    & skf18("2","1","3","1","9","3","1") = "8"
    & skf18("2","1","3","1","9","4","1") = "8"
    & skf18("2","1","3","1","9","5","1") = "8"
    & skf18("2","1","3","1","9","6","1") = "8"
    & skf18("2","1","3","1","9","7","1") = "8"
    & skf18("2","1","3","1","9","8","1") = "8"
    & skf18("2","1","3","1","9","9","1") = "8"
    & skf18("2","1","3","1","9","10","1") = "9"
    & skf18("2","1","3","1","10","1","1") = "9"
    & skf18("2","1","3","1","10","2","1") = "9"
    & skf18("2","1","3","1","10","3","1") = "9"
    & skf18("2","1","3","1","10","4","1") = "9"
    & skf18("2","1","3","1","10","5","1") = "9"
    & skf18("2","1","3","1","10","6","1") = "9"
    & skf18("2","1","3","1","10","7","1") = "9"
    & skf18("2","1","3","1","10","8","1") = "9"
    & skf18("2","1","3","1","10","9","1") = "9"
    & skf18("2","1","3","1","10","10","1") = "9"
    & skf18("2","1","3","2","1","1","1") = "2"
    & skf18("2","1","3","2","1","2","1") = "2"
    & skf18("2","1","3","2","1","3","1") = "2"
    & skf18("2","1","3","2","1","4","1") = "3"
    & skf18("2","1","3","2","1","5","1") = "4"
    & skf18("2","1","3","2","1","6","1") = "5"
    & skf18("2","1","3","2","1","7","1") = "6"
    & skf18("2","1","3","2","1","8","1") = "7"
    & skf18("2","1","3","2","1","9","1") = "8"
    & skf18("2","1","3","2","1","10","1") = "9"
    & skf18("2","1","3","2","2","1","1") = "2"
    & skf18("2","1","3","2","2","2","1") = "2"
    & skf18("2","1","3","2","2","3","1") = "2"
    & skf18("2","1","3","2","2","4","1") = "3"
    & skf18("2","1","3","2","2","5","1") = "4"
    & skf18("2","1","3","2","2","6","1") = "5"
    & skf18("2","1","3","2","2","7","1") = "6"
    & skf18("2","1","3","2","2","8","1") = "7"
    & skf18("2","1","3","2","2","9","1") = "8"
    & skf18("2","1","3","2","2","10","1") = "9"
    & skf18("2","1","3","2","3","1","1") = "2"
    & skf18("2","1","3","2","3","2","1") = "2"
    & skf18("2","1","3","2","3","3","1") = "2"
    & skf18("2","1","3","2","3","4","1") = "3"
    & skf18("2","1","3","2","3","5","1") = "4"
    & skf18("2","1","3","2","3","6","1") = "5"
    & skf18("2","1","3","2","3","7","1") = "6"
    & skf18("2","1","3","2","3","8","1") = "7"
    & skf18("2","1","3","2","3","9","1") = "8"
    & skf18("2","1","3","2","3","10","1") = "9"
    & skf18("2","1","3","2","4","1","1") = "3"
    & skf18("2","1","3","2","4","2","1") = "3"
    & skf18("2","1","3","2","4","3","1") = "3"
    & skf18("2","1","3","2","4","4","1") = "3"
    & skf18("2","1","3","2","4","5","1") = "4"
    & skf18("2","1","3","2","4","6","1") = "5"
    & skf18("2","1","3","2","4","7","1") = "6"
    & skf18("2","1","3","2","4","8","1") = "7"
    & skf18("2","1","3","2","4","9","1") = "8"
    & skf18("2","1","3","2","4","10","1") = "9"
    & skf18("2","1","3","2","5","1","1") = "4"
    & skf18("2","1","3","2","5","2","1") = "4"
    & skf18("2","1","3","2","5","3","1") = "4"
    & skf18("2","1","3","2","5","4","1") = "4"
    & skf18("2","1","3","2","5","5","1") = "4"
    & skf18("2","1","3","2","5","6","1") = "5"
    & skf18("2","1","3","2","5","7","1") = "6"
    & skf18("2","1","3","2","5","8","1") = "7"
    & skf18("2","1","3","2","5","9","1") = "8"
    & skf18("2","1","3","2","5","10","1") = "9"
    & skf18("2","1","3","2","6","1","1") = "5"
    & skf18("2","1","3","2","6","2","1") = "5"
    & skf18("2","1","3","2","6","3","1") = "5"
    & skf18("2","1","3","2","6","4","1") = "5"
    & skf18("2","1","3","2","6","5","1") = "5"
    & skf18("2","1","3","2","6","6","1") = "5"
    & skf18("2","1","3","2","6","7","1") = "6"
    & skf18("2","1","3","2","6","8","1") = "7"
    & skf18("2","1","3","2","6","9","1") = "8"
    & skf18("2","1","3","2","6","10","1") = "9"
    & skf18("2","1","3","2","7","1","1") = "6"
    & skf18("2","1","3","2","7","2","1") = "6"
    & skf18("2","1","3","2","7","3","1") = "6"
    & skf18("2","1","3","2","7","4","1") = "6"
    & skf18("2","1","3","2","7","5","1") = "6"
    & skf18("2","1","3","2","7","6","1") = "6"
    & skf18("2","1","3","2","7","7","1") = "6"
    & skf18("2","1","3","2","7","8","1") = "7"
    & skf18("2","1","3","2","7","9","1") = "8"
    & skf18("2","1","3","2","7","10","1") = "9"
    & skf18("2","1","3","2","8","1","1") = "7"
    & skf18("2","1","3","2","8","2","1") = "7"
    & skf18("2","1","3","2","8","3","1") = "7"
    & skf18("2","1","3","2","8","4","1") = "7"
    & skf18("2","1","3","2","8","5","1") = "7"
    & skf18("2","1","3","2","8","6","1") = "7"
    & skf18("2","1","3","2","8","7","1") = "7"
    & skf18("2","1","3","2","8","8","1") = "7"
    & skf18("2","1","3","2","8","9","1") = "8"
    & skf18("2","1","3","2","8","10","1") = "9"
    & skf18("2","1","3","2","9","1","1") = "8"
    & skf18("2","1","3","2","9","2","1") = "8"
    & skf18("2","1","3","2","9","3","1") = "8"
    & skf18("2","1","3","2","9","4","1") = "8"
    & skf18("2","1","3","2","9","5","1") = "8"
    & skf18("2","1","3","2","9","6","1") = "8"
    & skf18("2","1","3","2","9","7","1") = "8"
    & skf18("2","1","3","2","9","8","1") = "8"
    & skf18("2","1","3","2","9","9","1") = "8"
    & skf18("2","1","3","2","9","10","1") = "9"
    & skf18("2","1","3","2","10","1","1") = "9"
    & skf18("2","1","3","2","10","2","1") = "9"
    & skf18("2","1","3","2","10","3","1") = "9"
    & skf18("2","1","3","2","10","4","1") = "9"
    & skf18("2","1","3","2","10","5","1") = "9"
    & skf18("2","1","3","2","10","6","1") = "9"
    & skf18("2","1","3","2","10","7","1") = "9"
    & skf18("2","1","3","2","10","8","1") = "9"
    & skf18("2","1","3","2","10","9","1") = "9"
    & skf18("2","1","3","2","10","10","1") = "9"
    & skf18("2","1","3","3","1","1","1") = "2"
    & skf18("2","1","3","3","1","2","1") = "2"
    & skf18("2","1","3","3","1","3","1") = "2"
    & skf18("2","1","3","3","1","4","1") = "3"
    & skf18("2","1","3","3","1","5","1") = "4"
    & skf18("2","1","3","3","1","6","1") = "5"
    & skf18("2","1","3","3","1","7","1") = "6"
    & skf18("2","1","3","3","1","8","1") = "7"
    & skf18("2","1","3","3","1","9","1") = "8"
    & skf18("2","1","3","3","1","10","1") = "9"
    & skf18("2","1","3","3","2","1","1") = "2"
    & skf18("2","1","3","3","2","2","1") = "2"
    & skf18("2","1","3","3","2","3","1") = "2"
    & skf18("2","1","3","3","2","4","1") = "3"
    & skf18("2","1","3","3","2","5","1") = "4"
    & skf18("2","1","3","3","2","6","1") = "5"
    & skf18("2","1","3","3","2","7","1") = "6"
    & skf18("2","1","3","3","2","8","1") = "7"
    & skf18("2","1","3","3","2","9","1") = "8"
    & skf18("2","1","3","3","2","10","1") = "9"
    & skf18("2","1","3","3","3","1","1") = "2"
    & skf18("2","1","3","3","3","2","1") = "2"
    & skf18("2","1","3","3","3","3","1") = "2"
    & skf18("2","1","3","3","3","4","1") = "3"
    & skf18("2","1","3","3","3","5","1") = "4"
    & skf18("2","1","3","3","3","6","1") = "5"
    & skf18("2","1","3","3","3","7","1") = "6"
    & skf18("2","1","3","3","3","8","1") = "7"
    & skf18("2","1","3","3","3","9","1") = "8"
    & skf18("2","1","3","3","3","10","1") = "9"
    & skf18("2","1","3","3","4","1","1") = "3"
    & skf18("2","1","3","3","4","2","1") = "3"
    & skf18("2","1","3","3","4","3","1") = "3"
    & skf18("2","1","3","3","4","4","1") = "3"
    & skf18("2","1","3","3","4","5","1") = "4"
    & skf18("2","1","3","3","4","6","1") = "5"
    & skf18("2","1","3","3","4","7","1") = "6"
    & skf18("2","1","3","3","4","8","1") = "7"
    & skf18("2","1","3","3","4","9","1") = "8"
    & skf18("2","1","3","3","4","10","1") = "9"
    & skf18("2","1","3","3","5","1","1") = "4"
    & skf18("2","1","3","3","5","2","1") = "4"
    & skf18("2","1","3","3","5","3","1") = "4"
    & skf18("2","1","3","3","5","4","1") = "4"
    & skf18("2","1","3","3","5","5","1") = "4"
    & skf18("2","1","3","3","5","6","1") = "5"
    & skf18("2","1","3","3","5","7","1") = "6"
    & skf18("2","1","3","3","5","8","1") = "7"
    & skf18("2","1","3","3","5","9","1") = "8"
    & skf18("2","1","3","3","5","10","1") = "9"
    & skf18("2","1","3","3","6","1","1") = "5"
    & skf18("2","1","3","3","6","2","1") = "5"
    & skf18("2","1","3","3","6","3","1") = "5"
    & skf18("2","1","3","3","6","4","1") = "5"
    & skf18("2","1","3","3","6","5","1") = "5"
    & skf18("2","1","3","3","6","6","1") = "5"
    & skf18("2","1","3","3","6","7","1") = "6"
    & skf18("2","1","3","3","6","8","1") = "7"
    & skf18("2","1","3","3","6","9","1") = "8"
    & skf18("2","1","3","3","6","10","1") = "9"
    & skf18("2","1","3","3","7","1","1") = "6"
    & skf18("2","1","3","3","7","2","1") = "6"
    & skf18("2","1","3","3","7","3","1") = "6"
    & skf18("2","1","3","3","7","4","1") = "6"
    & skf18("2","1","3","3","7","5","1") = "6"
    & skf18("2","1","3","3","7","6","1") = "6"
    & skf18("2","1","3","3","7","7","1") = "6"
    & skf18("2","1","3","3","7","8","1") = "7"
    & skf18("2","1","3","3","7","9","1") = "8"
    & skf18("2","1","3","3","7","10","1") = "9"
    & skf18("2","1","3","3","8","1","1") = "7"
    & skf18("2","1","3","3","8","2","1") = "7"
    & skf18("2","1","3","3","8","3","1") = "7"
    & skf18("2","1","3","3","8","4","1") = "7"
    & skf18("2","1","3","3","8","5","1") = "7"
    & skf18("2","1","3","3","8","6","1") = "7"
    & skf18("2","1","3","3","8","7","1") = "7"
    & skf18("2","1","3","3","8","8","1") = "7"
    & skf18("2","1","3","3","8","9","1") = "8"
    & skf18("2","1","3","3","8","10","1") = "9"
    & skf18("2","1","3","3","9","1","1") = "8"
    & skf18("2","1","3","3","9","2","1") = "8"
    & skf18("2","1","3","3","9","3","1") = "8"
    & skf18("2","1","3","3","9","4","1") = "8"
    & skf18("2","1","3","3","9","5","1") = "8"
    & skf18("2","1","3","3","9","6","1") = "8"
    & skf18("2","1","3","3","9","7","1") = "8"
    & skf18("2","1","3","3","9","8","1") = "8"
    & skf18("2","1","3","3","9","9","1") = "8"
    & skf18("2","1","3","3","9","10","1") = "9"
    & skf18("2","1","3","3","10","1","1") = "9"
    & skf18("2","1","3","3","10","2","1") = "9"
    & skf18("2","1","3","3","10","3","1") = "9"
    & skf18("2","1","3","3","10","4","1") = "9"
    & skf18("2","1","3","3","10","5","1") = "9"
    & skf18("2","1","3","3","10","6","1") = "9"
    & skf18("2","1","3","3","10","7","1") = "9"
    & skf18("2","1","3","3","10","8","1") = "9"
    & skf18("2","1","3","3","10","9","1") = "9"
    & skf18("2","1","3","3","10","10","1") = "9"
    & skf18("2","1","3","4","1","1","1") = "3"
    & skf18("2","1","3","4","1","2","1") = "3"
    & skf18("2","1","3","4","1","3","1") = "3"
    & skf18("2","1","3","4","1","4","1") = "3"
    & skf18("2","1","3","4","1","5","1") = "4"
    & skf18("2","1","3","4","1","6","1") = "5"
    & skf18("2","1","3","4","1","7","1") = "6"
    & skf18("2","1","3","4","1","8","1") = "7"
    & skf18("2","1","3","4","1","9","1") = "8"
    & skf18("2","1","3","4","1","10","1") = "9"
    & skf18("2","1","3","4","2","1","1") = "3"
    & skf18("2","1","3","4","2","2","1") = "3"
    & skf18("2","1","3","4","2","3","1") = "3"
    & skf18("2","1","3","4","2","4","1") = "3"
    & skf18("2","1","3","4","2","5","1") = "4"
    & skf18("2","1","3","4","2","6","1") = "5"
    & skf18("2","1","3","4","2","7","1") = "6"
    & skf18("2","1","3","4","2","8","1") = "7"
    & skf18("2","1","3","4","2","9","1") = "8"
    & skf18("2","1","3","4","2","10","1") = "9"
    & skf18("2","1","3","4","3","1","1") = "3"
    & skf18("2","1","3","4","3","2","1") = "3"
    & skf18("2","1","3","4","3","3","1") = "3"
    & skf18("2","1","3","4","3","4","1") = "3"
    & skf18("2","1","3","4","3","5","1") = "4"
    & skf18("2","1","3","4","3","6","1") = "5"
    & skf18("2","1","3","4","3","7","1") = "6"
    & skf18("2","1","3","4","3","8","1") = "7"
    & skf18("2","1","3","4","3","9","1") = "8"
    & skf18("2","1","3","4","3","10","1") = "9"
    & skf18("2","1","3","4","4","1","1") = "3"
    & skf18("2","1","3","4","4","2","1") = "3"
    & skf18("2","1","3","4","4","3","1") = "3"
    & skf18("2","1","3","4","4","4","1") = "3"
    & skf18("2","1","3","4","4","5","1") = "4"
    & skf18("2","1","3","4","4","6","1") = "5"
    & skf18("2","1","3","4","4","7","1") = "6"
    & skf18("2","1","3","4","4","8","1") = "7"
    & skf18("2","1","3","4","4","9","1") = "8"
    & skf18("2","1","3","4","4","10","1") = "9"
    & skf18("2","1","3","4","5","1","1") = "4"
    & skf18("2","1","3","4","5","2","1") = "4"
    & skf18("2","1","3","4","5","3","1") = "4"
    & skf18("2","1","3","4","5","4","1") = "4"
    & skf18("2","1","3","4","5","5","1") = "4"
    & skf18("2","1","3","4","5","6","1") = "5"
    & skf18("2","1","3","4","5","7","1") = "6"
    & skf18("2","1","3","4","5","8","1") = "7"
    & skf18("2","1","3","4","5","9","1") = "8"
    & skf18("2","1","3","4","5","10","1") = "9"
    & skf18("2","1","3","4","6","1","1") = "5"
    & skf18("2","1","3","4","6","2","1") = "5"
    & skf18("2","1","3","4","6","3","1") = "5"
    & skf18("2","1","3","4","6","4","1") = "5"
    & skf18("2","1","3","4","6","5","1") = "5"
    & skf18("2","1","3","4","6","6","1") = "5"
    & skf18("2","1","3","4","6","7","1") = "6"
    & skf18("2","1","3","4","6","8","1") = "7"
    & skf18("2","1","3","4","6","9","1") = "8"
    & skf18("2","1","3","4","6","10","1") = "9"
    & skf18("2","1","3","4","7","1","1") = "6"
    & skf18("2","1","3","4","7","2","1") = "6"
    & skf18("2","1","3","4","7","3","1") = "6"
    & skf18("2","1","3","4","7","4","1") = "6"
    & skf18("2","1","3","4","7","5","1") = "6"
    & skf18("2","1","3","4","7","6","1") = "6"
    & skf18("2","1","3","4","7","7","1") = "6"
    & skf18("2","1","3","4","7","8","1") = "7"
    & skf18("2","1","3","4","7","9","1") = "8"
    & skf18("2","1","3","4","7","10","1") = "9"
    & skf18("2","1","3","4","8","1","1") = "7"
    & skf18("2","1","3","4","8","2","1") = "7"
    & skf18("2","1","3","4","8","3","1") = "7"
    & skf18("2","1","3","4","8","4","1") = "7"
    & skf18("2","1","3","4","8","5","1") = "7"
    & skf18("2","1","3","4","8","6","1") = "7"
    & skf18("2","1","3","4","8","7","1") = "7"
    & skf18("2","1","3","4","8","8","1") = "7"
    & skf18("2","1","3","4","8","9","1") = "8"
    & skf18("2","1","3","4","8","10","1") = "9"
    & skf18("2","1","3","4","9","1","1") = "8"
    & skf18("2","1","3","4","9","2","1") = "8"
    & skf18("2","1","3","4","9","3","1") = "8"
    & skf18("2","1","3","4","9","4","1") = "8"
    & skf18("2","1","3","4","9","5","1") = "8"
    & skf18("2","1","3","4","9","6","1") = "8"
    & skf18("2","1","3","4","9","7","1") = "8"
    & skf18("2","1","3","4","9","8","1") = "8"
    & skf18("2","1","3","4","9","9","1") = "8"
    & skf18("2","1","3","4","9","10","1") = "9"
    & skf18("2","1","3","4","10","1","1") = "9"
    & skf18("2","1","3","4","10","2","1") = "9"
    & skf18("2","1","3","4","10","3","1") = "9"
    & skf18("2","1","3","4","10","4","1") = "9"
    & skf18("2","1","3","4","10","5","1") = "9"
    & skf18("2","1","3","4","10","6","1") = "9"
    & skf18("2","1","3","4","10","7","1") = "9"
    & skf18("2","1","3","4","10","8","1") = "9"
    & skf18("2","1","3","4","10","9","1") = "9"
    & skf18("2","1","3","4","10","10","1") = "9"
    & skf18("2","1","3","5","1","1","1") = "4"
    & skf18("2","1","3","5","1","2","1") = "4"
    & skf18("2","1","3","5","1","3","1") = "4"
    & skf18("2","1","3","5","1","4","1") = "4"
    & skf18("2","1","3","5","1","5","1") = "4"
    & skf18("2","1","3","5","1","6","1") = "5"
    & skf18("2","1","3","5","1","7","1") = "6"
    & skf18("2","1","3","5","1","8","1") = "7"
    & skf18("2","1","3","5","1","9","1") = "8"
    & skf18("2","1","3","5","1","10","1") = "9"
    & skf18("2","1","3","5","2","1","1") = "4"
    & skf18("2","1","3","5","2","2","1") = "4"
    & skf18("2","1","3","5","2","3","1") = "4"
    & skf18("2","1","3","5","2","4","1") = "4"
    & skf18("2","1","3","5","2","5","1") = "4"
    & skf18("2","1","3","5","2","6","1") = "5"
    & skf18("2","1","3","5","2","7","1") = "6"
    & skf18("2","1","3","5","2","8","1") = "7"
    & skf18("2","1","3","5","2","9","1") = "8"
    & skf18("2","1","3","5","2","10","1") = "9"
    & skf18("2","1","3","5","3","1","1") = "4"
    & skf18("2","1","3","5","3","2","1") = "4"
    & skf18("2","1","3","5","3","3","1") = "4"
    & skf18("2","1","3","5","3","4","1") = "4"
    & skf18("2","1","3","5","3","5","1") = "4"
    & skf18("2","1","3","5","3","6","1") = "5"
    & skf18("2","1","3","5","3","7","1") = "6"
    & skf18("2","1","3","5","3","8","1") = "7"
    & skf18("2","1","3","5","3","9","1") = "8"
    & skf18("2","1","3","5","3","10","1") = "9"
    & skf18("2","1","3","5","4","1","1") = "4"
    & skf18("2","1","3","5","4","2","1") = "4"
    & skf18("2","1","3","5","4","3","1") = "4"
    & skf18("2","1","3","5","4","4","1") = "4"
    & skf18("2","1","3","5","4","5","1") = "4"
    & skf18("2","1","3","5","4","6","1") = "5"
    & skf18("2","1","3","5","4","7","1") = "6"
    & skf18("2","1","3","5","4","8","1") = "7"
    & skf18("2","1","3","5","4","9","1") = "8"
    & skf18("2","1","3","5","4","10","1") = "9"
    & skf18("2","1","3","5","5","1","1") = "4"
    & skf18("2","1","3","5","5","2","1") = "4"
    & skf18("2","1","3","5","5","3","1") = "4"
    & skf18("2","1","3","5","5","4","1") = "4"
    & skf18("2","1","3","5","5","5","1") = "4"
    & skf18("2","1","3","5","5","6","1") = "5"
    & skf18("2","1","3","5","5","7","1") = "6"
    & skf18("2","1","3","5","5","8","1") = "7"
    & skf18("2","1","3","5","5","9","1") = "8"
    & skf18("2","1","3","5","5","10","1") = "9"
    & skf18("2","1","3","5","6","1","1") = "5"
    & skf18("2","1","3","5","6","2","1") = "5"
    & skf18("2","1","3","5","6","3","1") = "5"
    & skf18("2","1","3","5","6","4","1") = "5"
    & skf18("2","1","3","5","6","5","1") = "5"
    & skf18("2","1","3","5","6","6","1") = "5"
    & skf18("2","1","3","5","6","7","1") = "6"
    & skf18("2","1","3","5","6","8","1") = "7"
    & skf18("2","1","3","5","6","9","1") = "8"
    & skf18("2","1","3","5","6","10","1") = "9"
    & skf18("2","1","3","5","7","1","1") = "6"
    & skf18("2","1","3","5","7","2","1") = "6"
    & skf18("2","1","3","5","7","3","1") = "6"
    & skf18("2","1","3","5","7","4","1") = "6"
    & skf18("2","1","3","5","7","5","1") = "6"
    & skf18("2","1","3","5","7","6","1") = "6"
    & skf18("2","1","3","5","7","7","1") = "6"
    & skf18("2","1","3","5","7","8","1") = "7"
    & skf18("2","1","3","5","7","9","1") = "8"
    & skf18("2","1","3","5","7","10","1") = "9"
    & skf18("2","1","3","5","8","1","1") = "7"
    & skf18("2","1","3","5","8","2","1") = "7"
    & skf18("2","1","3","5","8","3","1") = "7"
    & skf18("2","1","3","5","8","4","1") = "7"
    & skf18("2","1","3","5","8","5","1") = "7"
    & skf18("2","1","3","5","8","6","1") = "7"
    & skf18("2","1","3","5","8","7","1") = "7"
    & skf18("2","1","3","5","8","8","1") = "7"
    & skf18("2","1","3","5","8","9","1") = "8"
    & skf18("2","1","3","5","8","10","1") = "9"
    & skf18("2","1","3","5","9","1","1") = "8"
    & skf18("2","1","3","5","9","2","1") = "8"
    & skf18("2","1","3","5","9","3","1") = "8"
    & skf18("2","1","3","5","9","4","1") = "8"
    & skf18("2","1","3","5","9","5","1") = "8"
    & skf18("2","1","3","5","9","6","1") = "8"
    & skf18("2","1","3","5","9","7","1") = "8"
    & skf18("2","1","3","5","9","8","1") = "8"
    & skf18("2","1","3","5","9","9","1") = "8"
    & skf18("2","1","3","5","9","10","1") = "9"
    & skf18("2","1","3","5","10","1","1") = "9"
    & skf18("2","1","3","5","10","2","1") = "9"
    & skf18("2","1","3","5","10","3","1") = "9"
    & skf18("2","1","3","5","10","4","1") = "9"
    & skf18("2","1","3","5","10","5","1") = "9"
    & skf18("2","1","3","5","10","6","1") = "9"
    & skf18("2","1","3","5","10","7","1") = "9"
    & skf18("2","1","3","5","10","8","1") = "9"
    & skf18("2","1","3","5","10","9","1") = "9"
    & skf18("2","1","3","5","10","10","1") = "9"
    & skf18("2","1","3","6","1","1","1") = "5"
    & skf18("2","1","3","6","1","2","1") = "5"
    & skf18("2","1","3","6","1","3","1") = "5"
    & skf18("2","1","3","6","1","4","1") = "5"
    & skf18("2","1","3","6","1","5","1") = "5"
    & skf18("2","1","3","6","1","6","1") = "5"
    & skf18("2","1","3","6","1","7","1") = "6"
    & skf18("2","1","3","6","1","8","1") = "7"
    & skf18("2","1","3","6","1","9","1") = "8"
    & skf18("2","1","3","6","1","10","1") = "9"
    & skf18("2","1","3","6","2","1","1") = "5"
    & skf18("2","1","3","6","2","2","1") = "5"
    & skf18("2","1","3","6","2","3","1") = "5"
    & skf18("2","1","3","6","2","4","1") = "5"
    & skf18("2","1","3","6","2","5","1") = "5"
    & skf18("2","1","3","6","2","6","1") = "5"
    & skf18("2","1","3","6","2","7","1") = "6"
    & skf18("2","1","3","6","2","8","1") = "7"
    & skf18("2","1","3","6","2","9","1") = "8"
    & skf18("2","1","3","6","2","10","1") = "9"
    & skf18("2","1","3","6","3","1","1") = "5"
    & skf18("2","1","3","6","3","2","1") = "5"
    & skf18("2","1","3","6","3","3","1") = "5"
    & skf18("2","1","3","6","3","4","1") = "5"
    & skf18("2","1","3","6","3","5","1") = "5"
    & skf18("2","1","3","6","3","6","1") = "5"
    & skf18("2","1","3","6","3","7","1") = "6"
    & skf18("2","1","3","6","3","8","1") = "7"
    & skf18("2","1","3","6","3","9","1") = "8"
    & skf18("2","1","3","6","3","10","1") = "9"
    & skf18("2","1","3","6","4","1","1") = "5"
    & skf18("2","1","3","6","4","2","1") = "5"
    & skf18("2","1","3","6","4","3","1") = "5"
    & skf18("2","1","3","6","4","4","1") = "5"
    & skf18("2","1","3","6","4","5","1") = "5"
    & skf18("2","1","3","6","4","6","1") = "5"
    & skf18("2","1","3","6","4","7","1") = "6"
    & skf18("2","1","3","6","4","8","1") = "7"
    & skf18("2","1","3","6","4","9","1") = "8"
    & skf18("2","1","3","6","4","10","1") = "9"
    & skf18("2","1","3","6","5","1","1") = "5"
    & skf18("2","1","3","6","5","2","1") = "5"
    & skf18("2","1","3","6","5","3","1") = "5"
    & skf18("2","1","3","6","5","4","1") = "5"
    & skf18("2","1","3","6","5","5","1") = "5"
    & skf18("2","1","3","6","5","6","1") = "5"
    & skf18("2","1","3","6","5","7","1") = "6"
    & skf18("2","1","3","6","5","8","1") = "7"
    & skf18("2","1","3","6","5","9","1") = "8"
    & skf18("2","1","3","6","5","10","1") = "9"
    & skf18("2","1","3","6","6","1","1") = "5"
    & skf18("2","1","3","6","6","2","1") = "5"
    & skf18("2","1","3","6","6","3","1") = "5"
    & skf18("2","1","3","6","6","4","1") = "5"
    & skf18("2","1","3","6","6","5","1") = "5"
    & skf18("2","1","3","6","6","6","1") = "5"
    & skf18("2","1","3","6","6","7","1") = "6"
    & skf18("2","1","3","6","6","8","1") = "7"
    & skf18("2","1","3","6","6","9","1") = "8"
    & skf18("2","1","3","6","6","10","1") = "9"
    & skf18("2","1","3","6","7","1","1") = "6"
    & skf18("2","1","3","6","7","2","1") = "6"
    & skf18("2","1","3","6","7","3","1") = "6"
    & skf18("2","1","3","6","7","4","1") = "6"
    & skf18("2","1","3","6","7","5","1") = "6"
    & skf18("2","1","3","6","7","6","1") = "6"
    & skf18("2","1","3","6","7","7","1") = "6"
    & skf18("2","1","3","6","7","8","1") = "7"
    & skf18("2","1","3","6","7","9","1") = "8"
    & skf18("2","1","3","6","7","10","1") = "9"
    & skf18("2","1","3","6","8","1","1") = "7"
    & skf18("2","1","3","6","8","2","1") = "7"
    & skf18("2","1","3","6","8","3","1") = "7"
    & skf18("2","1","3","6","8","4","1") = "7"
    & skf18("2","1","3","6","8","5","1") = "7"
    & skf18("2","1","3","6","8","6","1") = "7"
    & skf18("2","1","3","6","8","7","1") = "7"
    & skf18("2","1","3","6","8","8","1") = "7"
    & skf18("2","1","3","6","8","9","1") = "8"
    & skf18("2","1","3","6","8","10","1") = "9"
    & skf18("2","1","3","6","9","1","1") = "8"
    & skf18("2","1","3","6","9","2","1") = "8"
    & skf18("2","1","3","6","9","3","1") = "8"
    & skf18("2","1","3","6","9","4","1") = "8"
    & skf18("2","1","3","6","9","5","1") = "8"
    & skf18("2","1","3","6","9","6","1") = "8"
    & skf18("2","1","3","6","9","7","1") = "8"
    & skf18("2","1","3","6","9","8","1") = "8"
    & skf18("2","1","3","6","9","9","1") = "8"
    & skf18("2","1","3","6","9","10","1") = "9"
    & skf18("2","1","3","6","10","1","1") = "9"
    & skf18("2","1","3","6","10","2","1") = "9"
    & skf18("2","1","3","6","10","3","1") = "9"
    & skf18("2","1","3","6","10","4","1") = "9"
    & skf18("2","1","3","6","10","5","1") = "9"
    & skf18("2","1","3","6","10","6","1") = "9"
    & skf18("2","1","3","6","10","7","1") = "9"
    & skf18("2","1","3","6","10","8","1") = "9"
    & skf18("2","1","3","6","10","9","1") = "9"
    & skf18("2","1","3","6","10","10","1") = "9"
    & skf18("2","1","3","7","1","1","1") = "6"
    & skf18("2","1","3","7","1","2","1") = "6"
    & skf18("2","1","3","7","1","3","1") = "6"
    & skf18("2","1","3","7","1","4","1") = "6"
    & skf18("2","1","3","7","1","5","1") = "6"
    & skf18("2","1","3","7","1","6","1") = "6"
    & skf18("2","1","3","7","1","7","1") = "6"
    & skf18("2","1","3","7","1","8","1") = "7"
    & skf18("2","1","3","7","1","9","1") = "8"
    & skf18("2","1","3","7","1","10","1") = "9"
    & skf18("2","1","3","7","2","1","1") = "6"
    & skf18("2","1","3","7","2","2","1") = "6"
    & skf18("2","1","3","7","2","3","1") = "6"
    & skf18("2","1","3","7","2","4","1") = "6"
    & skf18("2","1","3","7","2","5","1") = "6"
    & skf18("2","1","3","7","2","6","1") = "6"
    & skf18("2","1","3","7","2","7","1") = "6"
    & skf18("2","1","3","7","2","8","1") = "7"
    & skf18("2","1","3","7","2","9","1") = "8"
    & skf18("2","1","3","7","2","10","1") = "9"
    & skf18("2","1","3","7","3","1","1") = "6"
    & skf18("2","1","3","7","3","2","1") = "6"
    & skf18("2","1","3","7","3","3","1") = "6"
    & skf18("2","1","3","7","3","4","1") = "6"
    & skf18("2","1","3","7","3","5","1") = "6"
    & skf18("2","1","3","7","3","6","1") = "6"
    & skf18("2","1","3","7","3","7","1") = "6"
    & skf18("2","1","3","7","3","8","1") = "7"
    & skf18("2","1","3","7","3","9","1") = "8"
    & skf18("2","1","3","7","3","10","1") = "9"
    & skf18("2","1","3","7","4","1","1") = "6"
    & skf18("2","1","3","7","4","2","1") = "6"
    & skf18("2","1","3","7","4","3","1") = "6"
    & skf18("2","1","3","7","4","4","1") = "6"
    & skf18("2","1","3","7","4","5","1") = "6"
    & skf18("2","1","3","7","4","6","1") = "6"
    & skf18("2","1","3","7","4","7","1") = "6"
    & skf18("2","1","3","7","4","8","1") = "7"
    & skf18("2","1","3","7","4","9","1") = "8"
    & skf18("2","1","3","7","4","10","1") = "9"
    & skf18("2","1","3","7","5","1","1") = "6"
    & skf18("2","1","3","7","5","2","1") = "6"
    & skf18("2","1","3","7","5","3","1") = "6"
    & skf18("2","1","3","7","5","4","1") = "6"
    & skf18("2","1","3","7","5","5","1") = "6"
    & skf18("2","1","3","7","5","6","1") = "6"
    & skf18("2","1","3","7","5","7","1") = "6"
    & skf18("2","1","3","7","5","8","1") = "7"
    & skf18("2","1","3","7","5","9","1") = "8"
    & skf18("2","1","3","7","5","10","1") = "9"
    & skf18("2","1","3","7","6","1","1") = "6"
    & skf18("2","1","3","7","6","2","1") = "6"
    & skf18("2","1","3","7","6","3","1") = "6"
    & skf18("2","1","3","7","6","4","1") = "6"
    & skf18("2","1","3","7","6","5","1") = "6"
    & skf18("2","1","3","7","6","6","1") = "6"
    & skf18("2","1","3","7","6","7","1") = "6"
    & skf18("2","1","3","7","6","8","1") = "7"
    & skf18("2","1","3","7","6","9","1") = "8"
    & skf18("2","1","3","7","6","10","1") = "9"
    & skf18("2","1","3","7","7","1","1") = "6"
    & skf18("2","1","3","7","7","2","1") = "6"
    & skf18("2","1","3","7","7","3","1") = "6"
    & skf18("2","1","3","7","7","4","1") = "6"
    & skf18("2","1","3","7","7","5","1") = "6"
    & skf18("2","1","3","7","7","6","1") = "6"
    & skf18("2","1","3","7","7","7","1") = "6"
    & skf18("2","1","3","7","7","8","1") = "7"
    & skf18("2","1","3","7","7","9","1") = "8"
    & skf18("2","1","3","7","7","10","1") = "9"
    & skf18("2","1","3","7","8","1","1") = "7"
    & skf18("2","1","3","7","8","2","1") = "7"
    & skf18("2","1","3","7","8","3","1") = "7"
    & skf18("2","1","3","7","8","4","1") = "7"
    & skf18("2","1","3","7","8","5","1") = "7"
    & skf18("2","1","3","7","8","6","1") = "7"
    & skf18("2","1","3","7","8","7","1") = "7"
    & skf18("2","1","3","7","8","8","1") = "7"
    & skf18("2","1","3","7","8","9","1") = "8"
    & skf18("2","1","3","7","8","10","1") = "9"
    & skf18("2","1","3","7","9","1","1") = "8"
    & skf18("2","1","3","7","9","2","1") = "8"
    & skf18("2","1","3","7","9","3","1") = "8"
    & skf18("2","1","3","7","9","4","1") = "8"
    & skf18("2","1","3","7","9","5","1") = "8"
    & skf18("2","1","3","7","9","6","1") = "8"
    & skf18("2","1","3","7","9","7","1") = "8"
    & skf18("2","1","3","7","9","8","1") = "8"
    & skf18("2","1","3","7","9","9","1") = "8"
    & skf18("2","1","3","7","9","10","1") = "9"
    & skf18("2","1","3","7","10","1","1") = "9"
    & skf18("2","1","3","7","10","2","1") = "9"
    & skf18("2","1","3","7","10","3","1") = "9"
    & skf18("2","1","3","7","10","4","1") = "9"
    & skf18("2","1","3","7","10","5","1") = "9"
    & skf18("2","1","3","7","10","6","1") = "9"
    & skf18("2","1","3","7","10","7","1") = "9"
    & skf18("2","1","3","7","10","8","1") = "9"
    & skf18("2","1","3","7","10","9","1") = "9"
    & skf18("2","1","3","7","10","10","1") = "9"
    & skf18("2","1","3","8","1","1","1") = "7"
    & skf18("2","1","3","8","1","2","1") = "7"
    & skf18("2","1","3","8","1","3","1") = "7"
    & skf18("2","1","3","8","1","4","1") = "7"
    & skf18("2","1","3","8","1","5","1") = "7"
    & skf18("2","1","3","8","1","6","1") = "7"
    & skf18("2","1","3","8","1","7","1") = "7"
    & skf18("2","1","3","8","1","8","1") = "7"
    & skf18("2","1","3","8","1","9","1") = "8"
    & skf18("2","1","3","8","1","10","1") = "9"
    & skf18("2","1","3","8","2","1","1") = "7"
    & skf18("2","1","3","8","2","2","1") = "7"
    & skf18("2","1","3","8","2","3","1") = "7"
    & skf18("2","1","3","8","2","4","1") = "7"
    & skf18("2","1","3","8","2","5","1") = "7"
    & skf18("2","1","3","8","2","6","1") = "7"
    & skf18("2","1","3","8","2","7","1") = "7"
    & skf18("2","1","3","8","2","8","1") = "7"
    & skf18("2","1","3","8","2","9","1") = "8"
    & skf18("2","1","3","8","2","10","1") = "9"
    & skf18("2","1","3","8","3","1","1") = "7"
    & skf18("2","1","3","8","3","2","1") = "7"
    & skf18("2","1","3","8","3","3","1") = "7"
    & skf18("2","1","3","8","3","4","1") = "7"
    & skf18("2","1","3","8","3","5","1") = "7"
    & skf18("2","1","3","8","3","6","1") = "7"
    & skf18("2","1","3","8","3","7","1") = "7"
    & skf18("2","1","3","8","3","8","1") = "7"
    & skf18("2","1","3","8","3","9","1") = "8"
    & skf18("2","1","3","8","3","10","1") = "9"
    & skf18("2","1","3","8","4","1","1") = "7"
    & skf18("2","1","3","8","4","2","1") = "7"
    & skf18("2","1","3","8","4","3","1") = "7"
    & skf18("2","1","3","8","4","4","1") = "7"
    & skf18("2","1","3","8","4","5","1") = "7"
    & skf18("2","1","3","8","4","6","1") = "7"
    & skf18("2","1","3","8","4","7","1") = "7"
    & skf18("2","1","3","8","4","8","1") = "7"
    & skf18("2","1","3","8","4","9","1") = "8"
    & skf18("2","1","3","8","4","10","1") = "9"
    & skf18("2","1","3","8","5","1","1") = "7"
    & skf18("2","1","3","8","5","2","1") = "7"
    & skf18("2","1","3","8","5","3","1") = "7"
    & skf18("2","1","3","8","5","4","1") = "7"
    & skf18("2","1","3","8","5","5","1") = "7"
    & skf18("2","1","3","8","5","6","1") = "7"
    & skf18("2","1","3","8","5","7","1") = "7"
    & skf18("2","1","3","8","5","8","1") = "7"
    & skf18("2","1","3","8","5","9","1") = "8"
    & skf18("2","1","3","8","5","10","1") = "9"
    & skf18("2","1","3","8","6","1","1") = "7"
    & skf18("2","1","3","8","6","2","1") = "7"
    & skf18("2","1","3","8","6","3","1") = "7"
    & skf18("2","1","3","8","6","4","1") = "7"
    & skf18("2","1","3","8","6","5","1") = "7"
    & skf18("2","1","3","8","6","6","1") = "7"
    & skf18("2","1","3","8","6","7","1") = "7"
    & skf18("2","1","3","8","6","8","1") = "7"
    & skf18("2","1","3","8","6","9","1") = "8"
    & skf18("2","1","3","8","6","10","1") = "9"
    & skf18("2","1","3","8","7","1","1") = "7"
    & skf18("2","1","3","8","7","2","1") = "7"
    & skf18("2","1","3","8","7","3","1") = "7"
    & skf18("2","1","3","8","7","4","1") = "7"
    & skf18("2","1","3","8","7","5","1") = "7"
    & skf18("2","1","3","8","7","6","1") = "7"
    & skf18("2","1","3","8","7","7","1") = "7"
    & skf18("2","1","3","8","7","8","1") = "7"
    & skf18("2","1","3","8","7","9","1") = "8"
    & skf18("2","1","3","8","7","10","1") = "9"
    & skf18("2","1","3","8","8","1","1") = "7"
    & skf18("2","1","3","8","8","2","1") = "7"
    & skf18("2","1","3","8","8","3","1") = "7"
    & skf18("2","1","3","8","8","4","1") = "7"
    & skf18("2","1","3","8","8","5","1") = "7"
    & skf18("2","1","3","8","8","6","1") = "7"
    & skf18("2","1","3","8","8","7","1") = "7"
    & skf18("2","1","3","8","8","8","1") = "7"
    & skf18("2","1","3","8","8","9","1") = "8"
    & skf18("2","1","3","8","8","10","1") = "9"
    & skf18("2","1","3","8","9","1","1") = "8"
    & skf18("2","1","3","8","9","2","1") = "8"
    & skf18("2","1","3","8","9","3","1") = "8"
    & skf18("2","1","3","8","9","4","1") = "8"
    & skf18("2","1","3","8","9","5","1") = "8"
    & skf18("2","1","3","8","9","6","1") = "8"
    & skf18("2","1","3","8","9","7","1") = "8"
    & skf18("2","1","3","8","9","8","1") = "8"
    & skf18("2","1","3","8","9","9","1") = "8"
    & skf18("2","1","3","8","9","10","1") = "9"
    & skf18("2","1","3","8","10","1","1") = "9"
    & skf18("2","1","3","8","10","2","1") = "9"
    & skf18("2","1","3","8","10","3","1") = "9"
    & skf18("2","1","3","8","10","4","1") = "9"
    & skf18("2","1","3","8","10","5","1") = "9"
    & skf18("2","1","3","8","10","6","1") = "9"
    & skf18("2","1","3","8","10","7","1") = "9"
    & skf18("2","1","3","8","10","8","1") = "9"
    & skf18("2","1","3","8","10","9","1") = "9"
    & skf18("2","1","3","8","10","10","1") = "9"
    & skf18("2","1","3","9","1","1","1") = "8"
    & skf18("2","1","3","9","1","2","1") = "8"
    & skf18("2","1","3","9","1","3","1") = "8"
    & skf18("2","1","3","9","1","4","1") = "8"
    & skf18("2","1","3","9","1","5","1") = "8"
    & skf18("2","1","3","9","1","6","1") = "8"
    & skf18("2","1","3","9","1","7","1") = "8"
    & skf18("2","1","3","9","1","8","1") = "8"
    & skf18("2","1","3","9","1","9","1") = "8"
    & skf18("2","1","3","9","1","10","1") = "9"
    & skf18("2","1","3","9","2","1","1") = "8"
    & skf18("2","1","3","9","2","2","1") = "8"
    & skf18("2","1","3","9","2","3","1") = "8"
    & skf18("2","1","3","9","2","4","1") = "8"
    & skf18("2","1","3","9","2","5","1") = "8"
    & skf18("2","1","3","9","2","6","1") = "8"
    & skf18("2","1","3","9","2","7","1") = "8"
    & skf18("2","1","3","9","2","8","1") = "8"
    & skf18("2","1","3","9","2","9","1") = "8"
    & skf18("2","1","3","9","2","10","1") = "9"
    & skf18("2","1","3","9","3","1","1") = "8"
    & skf18("2","1","3","9","3","2","1") = "8"
    & skf18("2","1","3","9","3","3","1") = "8"
    & skf18("2","1","3","9","3","4","1") = "8"
    & skf18("2","1","3","9","3","5","1") = "8"
    & skf18("2","1","3","9","3","6","1") = "8"
    & skf18("2","1","3","9","3","7","1") = "8"
    & skf18("2","1","3","9","3","8","1") = "8"
    & skf18("2","1","3","9","3","9","1") = "8"
    & skf18("2","1","3","9","3","10","1") = "9"
    & skf18("2","1","3","9","4","1","1") = "8"
    & skf18("2","1","3","9","4","2","1") = "8"
    & skf18("2","1","3","9","4","3","1") = "8"
    & skf18("2","1","3","9","4","4","1") = "8"
    & skf18("2","1","3","9","4","5","1") = "8"
    & skf18("2","1","3","9","4","6","1") = "8"
    & skf18("2","1","3","9","4","7","1") = "8"
    & skf18("2","1","3","9","4","8","1") = "8"
    & skf18("2","1","3","9","4","9","1") = "8"
    & skf18("2","1","3","9","4","10","1") = "9"
    & skf18("2","1","3","9","5","1","1") = "8"
    & skf18("2","1","3","9","5","2","1") = "8"
    & skf18("2","1","3","9","5","3","1") = "8"
    & skf18("2","1","3","9","5","4","1") = "8"
    & skf18("2","1","3","9","5","5","1") = "8"
    & skf18("2","1","3","9","5","6","1") = "8"
    & skf18("2","1","3","9","5","7","1") = "8"
    & skf18("2","1","3","9","5","8","1") = "8"
    & skf18("2","1","3","9","5","9","1") = "8"
    & skf18("2","1","3","9","5","10","1") = "9"
    & skf18("2","1","3","9","6","1","1") = "8"
    & skf18("2","1","3","9","6","2","1") = "8"
    & skf18("2","1","3","9","6","3","1") = "8"
    & skf18("2","1","3","9","6","4","1") = "8"
    & skf18("2","1","3","9","6","5","1") = "8"
    & skf18("2","1","3","9","6","6","1") = "8"
    & skf18("2","1","3","9","6","7","1") = "8"
    & skf18("2","1","3","9","6","8","1") = "8"
    & skf18("2","1","3","9","6","9","1") = "8"
    & skf18("2","1","3","9","6","10","1") = "9"
    & skf18("2","1","3","9","7","1","1") = "8"
    & skf18("2","1","3","9","7","2","1") = "8"
    & skf18("2","1","3","9","7","3","1") = "8"
    & skf18("2","1","3","9","7","4","1") = "8"
    & skf18("2","1","3","9","7","5","1") = "8"
    & skf18("2","1","3","9","7","6","1") = "8"
    & skf18("2","1","3","9","7","7","1") = "8"
    & skf18("2","1","3","9","7","8","1") = "8"
    & skf18("2","1","3","9","7","9","1") = "8"
    & skf18("2","1","3","9","7","10","1") = "9"
    & skf18("2","1","3","9","8","1","1") = "8"
    & skf18("2","1","3","9","8","2","1") = "8"
    & skf18("2","1","3","9","8","3","1") = "8"
    & skf18("2","1","3","9","8","4","1") = "8"
    & skf18("2","1","3","9","8","5","1") = "8"
    & skf18("2","1","3","9","8","6","1") = "8"
    & skf18("2","1","3","9","8","7","1") = "8"
    & skf18("2","1","3","9","8","8","1") = "8"
    & skf18("2","1","3","9","8","9","1") = "8"
    & skf18("2","1","3","9","8","10","1") = "9"
    & skf18("2","1","3","9","9","1","1") = "8"
    & skf18("2","1","3","9","9","2","1") = "8"
    & skf18("2","1","3","9","9","3","1") = "8"
    & skf18("2","1","3","9","9","4","1") = "8"
    & skf18("2","1","3","9","9","5","1") = "8"
    & skf18("2","1","3","9","9","6","1") = "8"
    & skf18("2","1","3","9","9","7","1") = "8"
    & skf18("2","1","3","9","9","8","1") = "8"
    & skf18("2","1","3","9","9","9","1") = "8"
    & skf18("2","1","3","9","9","10","1") = "9"
    & skf18("2","1","3","9","10","1","1") = "9"
    & skf18("2","1","3","9","10","2","1") = "9"
    & skf18("2","1","3","9","10","3","1") = "9"
    & skf18("2","1","3","9","10","4","1") = "9"
    & skf18("2","1","3","9","10","5","1") = "9"
    & skf18("2","1","3","9","10","6","1") = "9"
    & skf18("2","1","3","9","10","7","1") = "9"
    & skf18("2","1","3","9","10","8","1") = "9"
    & skf18("2","1","3","9","10","9","1") = "9"
    & skf18("2","1","3","9","10","10","1") = "9"
    & skf18("2","1","3","10","1","1","1") = "9"
    & skf18("2","1","3","10","1","2","1") = "9"
    & skf18("2","1","3","10","1","3","1") = "9"
    & skf18("2","1","3","10","1","4","1") = "9"
    & skf18("2","1","3","10","1","5","1") = "9"
    & skf18("2","1","3","10","1","6","1") = "9"
    & skf18("2","1","3","10","1","7","1") = "9"
    & skf18("2","1","3","10","1","8","1") = "9"
    & skf18("2","1","3","10","1","9","1") = "9"
    & skf18("2","1","3","10","1","10","1") = "9"
    & skf18("2","1","3","10","2","1","1") = "9"
    & skf18("2","1","3","10","2","2","1") = "9"
    & skf18("2","1","3","10","2","3","1") = "9"
    & skf18("2","1","3","10","2","4","1") = "9"
    & skf18("2","1","3","10","2","5","1") = "9"
    & skf18("2","1","3","10","2","6","1") = "9"
    & skf18("2","1","3","10","2","7","1") = "9"
    & skf18("2","1","3","10","2","8","1") = "9"
    & skf18("2","1","3","10","2","9","1") = "9"
    & skf18("2","1","3","10","2","10","1") = "9"
    & skf18("2","1","3","10","3","1","1") = "9"
    & skf18("2","1","3","10","3","2","1") = "9"
    & skf18("2","1","3","10","3","3","1") = "9"
    & skf18("2","1","3","10","3","4","1") = "9"
    & skf18("2","1","3","10","3","5","1") = "9"
    & skf18("2","1","3","10","3","6","1") = "9"
    & skf18("2","1","3","10","3","7","1") = "9"
    & skf18("2","1","3","10","3","8","1") = "9"
    & skf18("2","1","3","10","3","9","1") = "9"
    & skf18("2","1","3","10","3","10","1") = "9"
    & skf18("2","1","3","10","4","1","1") = "9"
    & skf18("2","1","3","10","4","2","1") = "9"
    & skf18("2","1","3","10","4","3","1") = "9"
    & skf18("2","1","3","10","4","4","1") = "9"
    & skf18("2","1","3","10","4","5","1") = "9"
    & skf18("2","1","3","10","4","6","1") = "9"
    & skf18("2","1","3","10","4","7","1") = "9"
    & skf18("2","1","3","10","4","8","1") = "9"
    & skf18("2","1","3","10","4","9","1") = "9"
    & skf18("2","1","3","10","4","10","1") = "9"
    & skf18("2","1","3","10","5","1","1") = "9"
    & skf18("2","1","3","10","5","2","1") = "9"
    & skf18("2","1","3","10","5","3","1") = "9"
    & skf18("2","1","3","10","5","4","1") = "9"
    & skf18("2","1","3","10","5","5","1") = "9"
    & skf18("2","1","3","10","5","6","1") = "9"
    & skf18("2","1","3","10","5","7","1") = "9"
    & skf18("2","1","3","10","5","8","1") = "9"
    & skf18("2","1","3","10","5","9","1") = "9"
    & skf18("2","1","3","10","5","10","1") = "9"
    & skf18("2","1","3","10","6","1","1") = "9"
    & skf18("2","1","3","10","6","2","1") = "9"
    & skf18("2","1","3","10","6","3","1") = "9"
    & skf18("2","1","3","10","6","4","1") = "9"
    & skf18("2","1","3","10","6","5","1") = "9"
    & skf18("2","1","3","10","6","6","1") = "9"
    & skf18("2","1","3","10","6","7","1") = "9"
    & skf18("2","1","3","10","6","8","1") = "9"
    & skf18("2","1","3","10","6","9","1") = "9"
    & skf18("2","1","3","10","6","10","1") = "9"
    & skf18("2","1","3","10","7","1","1") = "9"
    & skf18("2","1","3","10","7","2","1") = "9"
    & skf18("2","1","3","10","7","3","1") = "9"
    & skf18("2","1","3","10","7","4","1") = "9"
    & skf18("2","1","3","10","7","5","1") = "9"
    & skf18("2","1","3","10","7","6","1") = "9"
    & skf18("2","1","3","10","7","7","1") = "9"
    & skf18("2","1","3","10","7","8","1") = "9"
    & skf18("2","1","3","10","7","9","1") = "9"
    & skf18("2","1","3","10","7","10","1") = "9"
    & skf18("2","1","3","10","8","1","1") = "9"
    & skf18("2","1","3","10","8","2","1") = "9"
    & skf18("2","1","3","10","8","3","1") = "9"
    & skf18("2","1","3","10","8","4","1") = "9"
    & skf18("2","1","3","10","8","5","1") = "9"
    & skf18("2","1","3","10","8","6","1") = "9"
    & skf18("2","1","3","10","8","7","1") = "9"
    & skf18("2","1","3","10","8","8","1") = "9"
    & skf18("2","1","3","10","8","9","1") = "9"
    & skf18("2","1","3","10","8","10","1") = "9"
    & skf18("2","1","3","10","9","1","1") = "9"
    & skf18("2","1","3","10","9","2","1") = "9"
    & skf18("2","1","3","10","9","3","1") = "9"
    & skf18("2","1","3","10","9","4","1") = "9"
    & skf18("2","1","3","10","9","5","1") = "9"
    & skf18("2","1","3","10","9","6","1") = "9"
    & skf18("2","1","3","10","9","7","1") = "9"
    & skf18("2","1","3","10","9","8","1") = "9"
    & skf18("2","1","3","10","9","9","1") = "9"
    & skf18("2","1","3","10","9","10","1") = "9"
    & skf18("2","1","3","10","10","1","1") = "9"
    & skf18("2","1","3","10","10","2","1") = "9"
    & skf18("2","1","3","10","10","3","1") = "9"
    & skf18("2","1","3","10","10","4","1") = "9"
    & skf18("2","1","3","10","10","5","1") = "9"
    & skf18("2","1","3","10","10","6","1") = "9"
    & skf18("2","1","3","10","10","7","1") = "9"
    & skf18("2","1","3","10","10","8","1") = "9"
    & skf18("2","1","3","10","10","9","1") = "9"
    & skf18("2","1","3","10","10","10","1") = "9"
    & skf18("2","1","4","1","1","1","1") = "3"
    & skf18("2","1","4","1","1","2","1") = "3"
    & skf18("2","1","4","1","1","3","1") = "3"
    & skf18("2","1","4","1","1","4","1") = "3"
    & skf18("2","1","4","1","1","5","1") = "4"
    & skf18("2","1","4","1","1","6","1") = "5"
    & skf18("2","1","4","1","1","7","1") = "6"
    & skf18("2","1","4","1","1","8","1") = "7"
    & skf18("2","1","4","1","1","9","1") = "8"
    & skf18("2","1","4","1","1","10","1") = "9"
    & skf18("2","1","4","1","2","1","1") = "3"
    & skf18("2","1","4","1","2","2","1") = "3"
    & skf18("2","1","4","1","2","3","1") = "3"
    & skf18("2","1","4","1","2","4","1") = "3"
    & skf18("2","1","4","1","2","5","1") = "4"
    & skf18("2","1","4","1","2","6","1") = "5"
    & skf18("2","1","4","1","2","7","1") = "6"
    & skf18("2","1","4","1","2","8","1") = "7"
    & skf18("2","1","4","1","2","9","1") = "8"
    & skf18("2","1","4","1","2","10","1") = "9"
    & skf18("2","1","4","1","3","1","1") = "3"
    & skf18("2","1","4","1","3","2","1") = "3"
    & skf18("2","1","4","1","3","3","1") = "3"
    & skf18("2","1","4","1","3","4","1") = "3"
    & skf18("2","1","4","1","3","5","1") = "4"
    & skf18("2","1","4","1","3","6","1") = "5"
    & skf18("2","1","4","1","3","7","1") = "6"
    & skf18("2","1","4","1","3","8","1") = "7"
    & skf18("2","1","4","1","3","9","1") = "8"
    & skf18("2","1","4","1","3","10","1") = "9"
    & skf18("2","1","4","1","4","1","1") = "3"
    & skf18("2","1","4","1","4","2","1") = "3"
    & skf18("2","1","4","1","4","3","1") = "3"
    & skf18("2","1","4","1","4","4","1") = "3"
    & skf18("2","1","4","1","4","5","1") = "4"
    & skf18("2","1","4","1","4","6","1") = "5"
    & skf18("2","1","4","1","4","7","1") = "6"
    & skf18("2","1","4","1","4","8","1") = "7"
    & skf18("2","1","4","1","4","9","1") = "8"
    & skf18("2","1","4","1","4","10","1") = "9"
    & skf18("2","1","4","1","5","1","1") = "4"
    & skf18("2","1","4","1","5","2","1") = "4"
    & skf18("2","1","4","1","5","3","1") = "4"
    & skf18("2","1","4","1","5","4","1") = "4"
    & skf18("2","1","4","1","5","5","1") = "4"
    & skf18("2","1","4","1","5","6","1") = "5"
    & skf18("2","1","4","1","5","7","1") = "6"
    & skf18("2","1","4","1","5","8","1") = "7"
    & skf18("2","1","4","1","5","9","1") = "8"
    & skf18("2","1","4","1","5","10","1") = "9"
    & skf18("2","1","4","1","6","1","1") = "5"
    & skf18("2","1","4","1","6","2","1") = "5"
    & skf18("2","1","4","1","6","3","1") = "5"
    & skf18("2","1","4","1","6","4","1") = "5"
    & skf18("2","1","4","1","6","5","1") = "5"
    & skf18("2","1","4","1","6","6","1") = "5"
    & skf18("2","1","4","1","6","7","1") = "6"
    & skf18("2","1","4","1","6","8","1") = "7"
    & skf18("2","1","4","1","6","9","1") = "8"
    & skf18("2","1","4","1","6","10","1") = "9"
    & skf18("2","1","4","1","7","1","1") = "6"
    & skf18("2","1","4","1","7","2","1") = "6"
    & skf18("2","1","4","1","7","3","1") = "6"
    & skf18("2","1","4","1","7","4","1") = "6"
    & skf18("2","1","4","1","7","5","1") = "6"
    & skf18("2","1","4","1","7","6","1") = "6"
    & skf18("2","1","4","1","7","7","1") = "6"
    & skf18("2","1","4","1","7","8","1") = "7"
    & skf18("2","1","4","1","7","9","1") = "8"
    & skf18("2","1","4","1","7","10","1") = "9"
    & skf18("2","1","4","1","8","1","1") = "7"
    & skf18("2","1","4","1","8","2","1") = "7"
    & skf18("2","1","4","1","8","3","1") = "7"
    & skf18("2","1","4","1","8","4","1") = "7"
    & skf18("2","1","4","1","8","5","1") = "7"
    & skf18("2","1","4","1","8","6","1") = "7"
    & skf18("2","1","4","1","8","7","1") = "7"
    & skf18("2","1","4","1","8","8","1") = "7"
    & skf18("2","1","4","1","8","9","1") = "8"
    & skf18("2","1","4","1","8","10","1") = "9"
    & skf18("2","1","4","1","9","1","1") = "8"
    & skf18("2","1","4","1","9","2","1") = "8"
    & skf18("2","1","4","1","9","3","1") = "8"
    & skf18("2","1","4","1","9","4","1") = "8"
    & skf18("2","1","4","1","9","5","1") = "8"
    & skf18("2","1","4","1","9","6","1") = "8"
    & skf18("2","1","4","1","9","7","1") = "8"
    & skf18("2","1","4","1","9","8","1") = "8"
    & skf18("2","1","4","1","9","9","1") = "8"
    & skf18("2","1","4","1","9","10","1") = "9"
    & skf18("2","1","4","1","10","1","1") = "9"
    & skf18("2","1","4","1","10","2","1") = "9"
    & skf18("2","1","4","1","10","3","1") = "9"
    & skf18("2","1","4","1","10","4","1") = "9"
    & skf18("2","1","4","1","10","5","1") = "9"
    & skf18("2","1","4","1","10","6","1") = "9"
    & skf18("2","1","4","1","10","7","1") = "9"
    & skf18("2","1","4","1","10","8","1") = "9"
    & skf18("2","1","4","1","10","9","1") = "9"
    & skf18("2","1","4","1","10","10","1") = "9"
    & skf18("2","1","4","2","1","1","1") = "3"
    & skf18("2","1","4","2","1","2","1") = "3"
    & skf18("2","1","4","2","1","3","1") = "3"
    & skf18("2","1","4","2","1","4","1") = "3"
    & skf18("2","1","4","2","1","5","1") = "4"
    & skf18("2","1","4","2","1","6","1") = "5"
    & skf18("2","1","4","2","1","7","1") = "6"
    & skf18("2","1","4","2","1","8","1") = "7"
    & skf18("2","1","4","2","1","9","1") = "8"
    & skf18("2","1","4","2","1","10","1") = "9"
    & skf18("2","1","4","2","2","1","1") = "3"
    & skf18("2","1","4","2","2","2","1") = "3"
    & skf18("2","1","4","2","2","3","1") = "3"
    & skf18("2","1","4","2","2","4","1") = "3"
    & skf18("2","1","4","2","2","5","1") = "4"
    & skf18("2","1","4","2","2","6","1") = "5"
    & skf18("2","1","4","2","2","7","1") = "6"
    & skf18("2","1","4","2","2","8","1") = "7"
    & skf18("2","1","4","2","2","9","1") = "8"
    & skf18("2","1","4","2","2","10","1") = "9"
    & skf18("2","1","4","2","3","1","1") = "3"
    & skf18("2","1","4","2","3","2","1") = "3"
    & skf18("2","1","4","2","3","3","1") = "3"
    & skf18("2","1","4","2","3","4","1") = "3"
    & skf18("2","1","4","2","3","5","1") = "4"
    & skf18("2","1","4","2","3","6","1") = "5"
    & skf18("2","1","4","2","3","7","1") = "6"
    & skf18("2","1","4","2","3","8","1") = "7"
    & skf18("2","1","4","2","3","9","1") = "8"
    & skf18("2","1","4","2","3","10","1") = "9"
    & skf18("2","1","4","2","4","1","1") = "3"
    & skf18("2","1","4","2","4","2","1") = "3"
    & skf18("2","1","4","2","4","3","1") = "3"
    & skf18("2","1","4","2","4","4","1") = "3"
    & skf18("2","1","4","2","4","5","1") = "4"
    & skf18("2","1","4","2","4","6","1") = "5"
    & skf18("2","1","4","2","4","7","1") = "6"
    & skf18("2","1","4","2","4","8","1") = "7"
    & skf18("2","1","4","2","4","9","1") = "8"
    & skf18("2","1","4","2","4","10","1") = "9"
    & skf18("2","1","4","2","5","1","1") = "4"
    & skf18("2","1","4","2","5","2","1") = "4"
    & skf18("2","1","4","2","5","3","1") = "4"
    & skf18("2","1","4","2","5","4","1") = "4"
    & skf18("2","1","4","2","5","5","1") = "4"
    & skf18("2","1","4","2","5","6","1") = "5"
    & skf18("2","1","4","2","5","7","1") = "6"
    & skf18("2","1","4","2","5","8","1") = "7"
    & skf18("2","1","4","2","5","9","1") = "8"
    & skf18("2","1","4","2","5","10","1") = "9"
    & skf18("2","1","4","2","6","1","1") = "5"
    & skf18("2","1","4","2","6","2","1") = "5"
    & skf18("2","1","4","2","6","3","1") = "5"
    & skf18("2","1","4","2","6","4","1") = "5"
    & skf18("2","1","4","2","6","5","1") = "5"
    & skf18("2","1","4","2","6","6","1") = "5"
    & skf18("2","1","4","2","6","7","1") = "6"
    & skf18("2","1","4","2","6","8","1") = "7"
    & skf18("2","1","4","2","6","9","1") = "8"
    & skf18("2","1","4","2","6","10","1") = "9"
    & skf18("2","1","4","2","7","1","1") = "6"
    & skf18("2","1","4","2","7","2","1") = "6"
    & skf18("2","1","4","2","7","3","1") = "6"
    & skf18("2","1","4","2","7","4","1") = "6"
    & skf18("2","1","4","2","7","5","1") = "6"
    & skf18("2","1","4","2","7","6","1") = "6"
    & skf18("2","1","4","2","7","7","1") = "6"
    & skf18("2","1","4","2","7","8","1") = "7"
    & skf18("2","1","4","2","7","9","1") = "8"
    & skf18("2","1","4","2","7","10","1") = "9"
    & skf18("2","1","4","2","8","1","1") = "7"
    & skf18("2","1","4","2","8","2","1") = "7"
    & skf18("2","1","4","2","8","3","1") = "7"
    & skf18("2","1","4","2","8","4","1") = "7"
    & skf18("2","1","4","2","8","5","1") = "7"
    & skf18("2","1","4","2","8","6","1") = "7"
    & skf18("2","1","4","2","8","7","1") = "7"
    & skf18("2","1","4","2","8","8","1") = "7"
    & skf18("2","1","4","2","8","9","1") = "8"
    & skf18("2","1","4","2","8","10","1") = "9"
    & skf18("2","1","4","2","9","1","1") = "8"
    & skf18("2","1","4","2","9","2","1") = "8"
    & skf18("2","1","4","2","9","3","1") = "8"
    & skf18("2","1","4","2","9","4","1") = "8"
    & skf18("2","1","4","2","9","5","1") = "8"
    & skf18("2","1","4","2","9","6","1") = "8"
    & skf18("2","1","4","2","9","7","1") = "8"
    & skf18("2","1","4","2","9","8","1") = "8"
    & skf18("2","1","4","2","9","9","1") = "8"
    & skf18("2","1","4","2","9","10","1") = "9"
    & skf18("2","1","4","2","10","1","1") = "9"
    & skf18("2","1","4","2","10","2","1") = "9"
    & skf18("2","1","4","2","10","3","1") = "9"
    & skf18("2","1","4","2","10","4","1") = "9"
    & skf18("2","1","4","2","10","5","1") = "9"
    & skf18("2","1","4","2","10","6","1") = "9"
    & skf18("2","1","4","2","10","7","1") = "9"
    & skf18("2","1","4","2","10","8","1") = "9"
    & skf18("2","1","4","2","10","9","1") = "9"
    & skf18("2","1","4","2","10","10","1") = "9"
    & skf18("2","1","4","3","1","1","1") = "3"
    & skf18("2","1","4","3","1","2","1") = "3"
    & skf18("2","1","4","3","1","3","1") = "3"
    & skf18("2","1","4","3","1","4","1") = "3"
    & skf18("2","1","4","3","1","5","1") = "4"
    & skf18("2","1","4","3","1","6","1") = "5"
    & skf18("2","1","4","3","1","7","1") = "6"
    & skf18("2","1","4","3","1","8","1") = "7"
    & skf18("2","1","4","3","1","9","1") = "8"
    & skf18("2","1","4","3","1","10","1") = "9"
    & skf18("2","1","4","3","2","1","1") = "3"
    & skf18("2","1","4","3","2","2","1") = "3"
    & skf18("2","1","4","3","2","3","1") = "3"
    & skf18("2","1","4","3","2","4","1") = "3"
    & skf18("2","1","4","3","2","5","1") = "4"
    & skf18("2","1","4","3","2","6","1") = "5"
    & skf18("2","1","4","3","2","7","1") = "6"
    & skf18("2","1","4","3","2","8","1") = "7"
    & skf18("2","1","4","3","2","9","1") = "8"
    & skf18("2","1","4","3","2","10","1") = "9"
    & skf18("2","1","4","3","3","1","1") = "3"
    & skf18("2","1","4","3","3","2","1") = "3"
    & skf18("2","1","4","3","3","3","1") = "3"
    & skf18("2","1","4","3","3","4","1") = "3"
    & skf18("2","1","4","3","3","5","1") = "4"
    & skf18("2","1","4","3","3","6","1") = "5"
    & skf18("2","1","4","3","3","7","1") = "6"
    & skf18("2","1","4","3","3","8","1") = "7"
    & skf18("2","1","4","3","3","9","1") = "8"
    & skf18("2","1","4","3","3","10","1") = "9"
    & skf18("2","1","4","3","4","1","1") = "3"
    & skf18("2","1","4","3","4","2","1") = "2"
    & skf18("2","1","4","3","4","3","1") = "2"
    & skf18("2","1","4","3","4","4","1") = "3"
    & skf18("2","1","4","3","4","5","1") = "4"
    & skf18("2","1","4","3","4","6","1") = "5"
    & skf18("2","1","4","3","4","7","1") = "6"
    & skf18("2","1","4","3","4","8","1") = "7"
    & skf18("2","1","4","3","4","9","1") = "8"
    & skf18("2","1","4","3","4","10","1") = "9"
    & skf18("2","1","4","3","5","1","1") = "4"
    & skf18("2","1","4","3","5","2","1") = "4"
    & skf18("2","1","4","3","5","3","1") = "4"
    & skf18("2","1","4","3","5","4","1") = "4"
    & skf18("2","1","4","3","5","5","1") = "4"
    & skf18("2","1","4","3","5","6","1") = "5"
    & skf18("2","1","4","3","5","7","1") = "6"
    & skf18("2","1","4","3","5","8","1") = "7"
    & skf18("2","1","4","3","5","9","1") = "8"
    & skf18("2","1","4","3","5","10","1") = "9"
    & skf18("2","1","4","3","6","1","1") = "5"
    & skf18("2","1","4","3","6","2","1") = "5"
    & skf18("2","1","4","3","6","3","1") = "5"
    & skf18("2","1","4","3","6","4","1") = "5"
    & skf18("2","1","4","3","6","5","1") = "5"
    & skf18("2","1","4","3","6","6","1") = "5"
    & skf18("2","1","4","3","6","7","1") = "6"
    & skf18("2","1","4","3","6","8","1") = "7"
    & skf18("2","1","4","3","6","9","1") = "8"
    & skf18("2","1","4","3","6","10","1") = "9"
    & skf18("2","1","4","3","7","1","1") = "6"
    & skf18("2","1","4","3","7","2","1") = "6"
    & skf18("2","1","4","3","7","3","1") = "6"
    & skf18("2","1","4","3","7","4","1") = "6"
    & skf18("2","1","4","3","7","5","1") = "6"
    & skf18("2","1","4","3","7","6","1") = "6"
    & skf18("2","1","4","3","7","7","1") = "6"
    & skf18("2","1","4","3","7","8","1") = "7"
    & skf18("2","1","4","3","7","9","1") = "8"
    & skf18("2","1","4","3","7","10","1") = "9"
    & skf18("2","1","4","3","8","1","1") = "7"
    & skf18("2","1","4","3","8","2","1") = "7"
    & skf18("2","1","4","3","8","3","1") = "7"
    & skf18("2","1","4","3","8","4","1") = "7"
    & skf18("2","1","4","3","8","5","1") = "7"
    & skf18("2","1","4","3","8","6","1") = "7"
    & skf18("2","1","4","3","8","7","1") = "7"
    & skf18("2","1","4","3","8","8","1") = "7"
    & skf18("2","1","4","3","8","9","1") = "8"
    & skf18("2","1","4","3","8","10","1") = "9"
    & skf18("2","1","4","3","9","1","1") = "8"
    & skf18("2","1","4","3","9","2","1") = "8"
    & skf18("2","1","4","3","9","3","1") = "8"
    & skf18("2","1","4","3","9","4","1") = "8"
    & skf18("2","1","4","3","9","5","1") = "8"
    & skf18("2","1","4","3","9","6","1") = "8"
    & skf18("2","1","4","3","9","7","1") = "8"
    & skf18("2","1","4","3","9","8","1") = "8"
    & skf18("2","1","4","3","9","9","1") = "8"
    & skf18("2","1","4","3","9","10","1") = "9"
    & skf18("2","1","4","3","10","1","1") = "9"
    & skf18("2","1","4","3","10","2","1") = "9"
    & skf18("2","1","4","3","10","3","1") = "9"
    & skf18("2","1","4","3","10","4","1") = "9"
    & skf18("2","1","4","3","10","5","1") = "9"
    & skf18("2","1","4","3","10","6","1") = "9"
    & skf18("2","1","4","3","10","7","1") = "9"
    & skf18("2","1","4","3","10","8","1") = "9"
    & skf18("2","1","4","3","10","9","1") = "9"
    & skf18("2","1","4","3","10","10","1") = "9"
    & skf18("2","1","4","4","1","1","1") = "2"
    & skf18("2","1","4","4","1","2","1") = "2"
    & skf18("2","1","4","4","1","3","1") = "2"
    & skf18("2","1","4","4","1","4","1") = "3"
    & skf18("2","1","4","4","1","5","1") = "4"
    & skf18("2","1","4","4","1","6","1") = "5"
    & skf18("2","1","4","4","1","7","1") = "6"
    & skf18("2","1","4","4","1","8","1") = "7"
    & skf18("2","1","4","4","1","9","1") = "8"
    & skf18("2","1","4","4","1","10","1") = "9"
    & skf18("2","1","4","4","2","1","1") = "3"
    & skf18("2","1","4","4","2","2","1") = "3"
    & skf18("2","1","4","4","2","3","1") = "3"
    & skf18("2","1","4","4","2","4","1") = "3"
    & skf18("2","1","4","4","2","5","1") = "4"
    & skf18("2","1","4","4","2","6","1") = "5"
    & skf18("2","1","4","4","2","7","1") = "6"
    & skf18("2","1","4","4","2","8","1") = "7"
    & skf18("2","1","4","4","2","9","1") = "8"
    & skf18("2","1","4","4","2","10","1") = "9"
    & skf18("2","1","4","4","3","1","1") = "3"
    & skf18("2","1","4","4","3","2","1") = "3"
    & skf18("2","1","4","4","3","3","1") = "3"
    & skf18("2","1","4","4","3","4","1") = "3"
    & skf18("2","1","4","4","3","5","1") = "4"
    & skf18("2","1","4","4","3","6","1") = "5"
    & skf18("2","1","4","4","3","7","1") = "6"
    & skf18("2","1","4","4","3","8","1") = "7"
    & skf18("2","1","4","4","3","9","1") = "8"
    & skf18("2","1","4","4","3","10","1") = "9"
    & skf18("2","1","4","4","4","1","1") = "3"
    & skf18("2","1","4","4","4","2","1") = "3"
    & skf18("2","1","4","4","4","3","1") = "3"
    & skf18("2","1","4","4","4","4","1") = "3"
    & skf18("2","1","4","4","4","5","1") = "4"
    & skf18("2","1","4","4","4","6","1") = "5"
    & skf18("2","1","4","4","4","7","1") = "6"
    & skf18("2","1","4","4","4","8","1") = "7"
    & skf18("2","1","4","4","4","9","1") = "8"
    & skf18("2","1","4","4","4","10","1") = "9"
    & skf18("2","1","4","4","5","1","1") = "4"
    & skf18("2","1","4","4","5","2","1") = "4"
    & skf18("2","1","4","4","5","3","1") = "4"
    & skf18("2","1","4","4","5","4","1") = "4"
    & skf18("2","1","4","4","5","5","1") = "4"
    & skf18("2","1","4","4","5","6","1") = "5"
    & skf18("2","1","4","4","5","7","1") = "6"
    & skf18("2","1","4","4","5","8","1") = "7"
    & skf18("2","1","4","4","5","9","1") = "8"
    & skf18("2","1","4","4","5","10","1") = "9"
    & skf18("2","1","4","4","6","1","1") = "5"
    & skf18("2","1","4","4","6","2","1") = "5"
    & skf18("2","1","4","4","6","3","1") = "5"
    & skf18("2","1","4","4","6","4","1") = "5"
    & skf18("2","1","4","4","6","5","1") = "5"
    & skf18("2","1","4","4","6","6","1") = "5"
    & skf18("2","1","4","4","6","7","1") = "6"
    & skf18("2","1","4","4","6","8","1") = "7"
    & skf18("2","1","4","4","6","9","1") = "8"
    & skf18("2","1","4","4","6","10","1") = "9"
    & skf18("2","1","4","4","7","1","1") = "6"
    & skf18("2","1","4","4","7","2","1") = "6"
    & skf18("2","1","4","4","7","3","1") = "6"
    & skf18("2","1","4","4","7","4","1") = "6"
    & skf18("2","1","4","4","7","5","1") = "6"
    & skf18("2","1","4","4","7","6","1") = "6"
    & skf18("2","1","4","4","7","7","1") = "6"
    & skf18("2","1","4","4","7","8","1") = "7"
    & skf18("2","1","4","4","7","9","1") = "8"
    & skf18("2","1","4","4","7","10","1") = "9"
    & skf18("2","1","4","4","8","1","1") = "7"
    & skf18("2","1","4","4","8","2","1") = "7"
    & skf18("2","1","4","4","8","3","1") = "7"
    & skf18("2","1","4","4","8","4","1") = "7"
    & skf18("2","1","4","4","8","5","1") = "7"
    & skf18("2","1","4","4","8","6","1") = "7"
    & skf18("2","1","4","4","8","7","1") = "7"
    & skf18("2","1","4","4","8","8","1") = "7"
    & skf18("2","1","4","4","8","9","1") = "8"
    & skf18("2","1","4","4","8","10","1") = "9"
    & skf18("2","1","4","4","9","1","1") = "8"
    & skf18("2","1","4","4","9","2","1") = "8"
    & skf18("2","1","4","4","9","3","1") = "8"
    & skf18("2","1","4","4","9","4","1") = "8"
    & skf18("2","1","4","4","9","5","1") = "8"
    & skf18("2","1","4","4","9","6","1") = "8"
    & skf18("2","1","4","4","9","7","1") = "8"
    & skf18("2","1","4","4","9","8","1") = "8"
    & skf18("2","1","4","4","9","9","1") = "8"
    & skf18("2","1","4","4","9","10","1") = "9"
    & skf18("2","1","4","4","10","1","1") = "9"
    & skf18("2","1","4","4","10","2","1") = "9"
    & skf18("2","1","4","4","10","3","1") = "9"
    & skf18("2","1","4","4","10","4","1") = "9"
    & skf18("2","1","4","4","10","5","1") = "9"
    & skf18("2","1","4","4","10","6","1") = "9"
    & skf18("2","1","4","4","10","7","1") = "9"
    & skf18("2","1","4","4","10","8","1") = "9"
    & skf18("2","1","4","4","10","9","1") = "9"
    & skf18("2","1","4","4","10","10","1") = "9"
    & skf18("2","1","4","5","1","1","1") = "4"
    & skf18("2","1","4","5","1","2","1") = "4"
    & skf18("2","1","4","5","1","3","1") = "4"
    & skf18("2","1","4","5","1","4","1") = "4"
    & skf18("2","1","4","5","1","5","1") = "4"
    & skf18("2","1","4","5","1","6","1") = "5"
    & skf18("2","1","4","5","1","7","1") = "6"
    & skf18("2","1","4","5","1","8","1") = "7"
    & skf18("2","1","4","5","1","9","1") = "8"
    & skf18("2","1","4","5","1","10","1") = "9"
    & skf18("2","1","4","5","2","1","1") = "4"
    & skf18("2","1","4","5","2","2","1") = "4"
    & skf18("2","1","4","5","2","3","1") = "4"
    & skf18("2","1","4","5","2","4","1") = "4"
    & skf18("2","1","4","5","2","5","1") = "4"
    & skf18("2","1","4","5","2","6","1") = "5"
    & skf18("2","1","4","5","2","7","1") = "6"
    & skf18("2","1","4","5","2","8","1") = "7"
    & skf18("2","1","4","5","2","9","1") = "8"
    & skf18("2","1","4","5","2","10","1") = "9"
    & skf18("2","1","4","5","3","1","1") = "4"
    & skf18("2","1","4","5","3","2","1") = "4"
    & skf18("2","1","4","5","3","3","1") = "4"
    & skf18("2","1","4","5","3","4","1") = "4"
    & skf18("2","1","4","5","3","5","1") = "4"
    & skf18("2","1","4","5","3","6","1") = "5"
    & skf18("2","1","4","5","3","7","1") = "6"
    & skf18("2","1","4","5","3","8","1") = "7"
    & skf18("2","1","4","5","3","9","1") = "8"
    & skf18("2","1","4","5","3","10","1") = "9"
    & skf18("2","1","4","5","4","1","1") = "4"
    & skf18("2","1","4","5","4","2","1") = "4"
    & skf18("2","1","4","5","4","3","1") = "4"
    & skf18("2","1","4","5","4","4","1") = "4"
    & skf18("2","1","4","5","4","5","1") = "4"
    & skf18("2","1","4","5","4","6","1") = "5"
    & skf18("2","1","4","5","4","7","1") = "6"
    & skf18("2","1","4","5","4","8","1") = "7"
    & skf18("2","1","4","5","4","9","1") = "8"
    & skf18("2","1","4","5","4","10","1") = "9"
    & skf18("2","1","4","5","5","1","1") = "4"
    & skf18("2","1","4","5","5","2","1") = "4"
    & skf18("2","1","4","5","5","3","1") = "4"
    & skf18("2","1","4","5","5","4","1") = "4"
    & skf18("2","1","4","5","5","5","1") = "4"
    & skf18("2","1","4","5","5","6","1") = "5"
    & skf18("2","1","4","5","5","7","1") = "6"
    & skf18("2","1","4","5","5","8","1") = "7"
    & skf18("2","1","4","5","5","9","1") = "8"
    & skf18("2","1","4","5","5","10","1") = "9"
    & skf18("2","1","4","5","6","1","1") = "5"
    & skf18("2","1","4","5","6","2","1") = "5"
    & skf18("2","1","4","5","6","3","1") = "5"
    & skf18("2","1","4","5","6","4","1") = "5"
    & skf18("2","1","4","5","6","5","1") = "5"
    & skf18("2","1","4","5","6","6","1") = "5"
    & skf18("2","1","4","5","6","7","1") = "6"
    & skf18("2","1","4","5","6","8","1") = "7"
    & skf18("2","1","4","5","6","9","1") = "8"
    & skf18("2","1","4","5","6","10","1") = "9"
    & skf18("2","1","4","5","7","1","1") = "6"
    & skf18("2","1","4","5","7","2","1") = "6"
    & skf18("2","1","4","5","7","3","1") = "6"
    & skf18("2","1","4","5","7","4","1") = "6"
    & skf18("2","1","4","5","7","5","1") = "6"
    & skf18("2","1","4","5","7","6","1") = "6"
    & skf18("2","1","4","5","7","7","1") = "6"
    & skf18("2","1","4","5","7","8","1") = "7"
    & skf18("2","1","4","5","7","9","1") = "8"
    & skf18("2","1","4","5","7","10","1") = "9"
    & skf18("2","1","4","5","8","1","1") = "7"
    & skf18("2","1","4","5","8","2","1") = "7"
    & skf18("2","1","4","5","8","3","1") = "7"
    & skf18("2","1","4","5","8","4","1") = "7"
    & skf18("2","1","4","5","8","5","1") = "7"
    & skf18("2","1","4","5","8","6","1") = "7"
    & skf18("2","1","4","5","8","7","1") = "7"
    & skf18("2","1","4","5","8","8","1") = "7"
    & skf18("2","1","4","5","8","9","1") = "8"
    & skf18("2","1","4","5","8","10","1") = "9"
    & skf18("2","1","4","5","9","1","1") = "8"
    & skf18("2","1","4","5","9","2","1") = "8"
    & skf18("2","1","4","5","9","3","1") = "8"
    & skf18("2","1","4","5","9","4","1") = "8"
    & skf18("2","1","4","5","9","5","1") = "8"
    & skf18("2","1","4","5","9","6","1") = "8"
    & skf18("2","1","4","5","9","7","1") = "8"
    & skf18("2","1","4","5","9","8","1") = "8"
    & skf18("2","1","4","5","9","9","1") = "8"
    & skf18("2","1","4","5","9","10","1") = "9"
    & skf18("2","1","4","5","10","1","1") = "9"
    & skf18("2","1","4","5","10","2","1") = "9"
    & skf18("2","1","4","5","10","3","1") = "9"
    & skf18("2","1","4","5","10","4","1") = "9"
    & skf18("2","1","4","5","10","5","1") = "9"
    & skf18("2","1","4","5","10","6","1") = "9"
    & skf18("2","1","4","5","10","7","1") = "9"
    & skf18("2","1","4","5","10","8","1") = "9"
    & skf18("2","1","4","5","10","9","1") = "9"
    & skf18("2","1","4","5","10","10","1") = "9"
    & skf18("2","1","4","6","1","1","1") = "5"
    & skf18("2","1","4","6","1","2","1") = "5"
    & skf18("2","1","4","6","1","3","1") = "5"
    & skf18("2","1","4","6","1","4","1") = "5"
    & skf18("2","1","4","6","1","5","1") = "5"
    & skf18("2","1","4","6","1","6","1") = "5"
    & skf18("2","1","4","6","1","7","1") = "6"
    & skf18("2","1","4","6","1","8","1") = "7"
    & skf18("2","1","4","6","1","9","1") = "8"
    & skf18("2","1","4","6","1","10","1") = "9"
    & skf18("2","1","4","6","2","1","1") = "5"
    & skf18("2","1","4","6","2","2","1") = "5"
    & skf18("2","1","4","6","2","3","1") = "5"
    & skf18("2","1","4","6","2","4","1") = "5"
    & skf18("2","1","4","6","2","5","1") = "5"
    & skf18("2","1","4","6","2","6","1") = "5"
    & skf18("2","1","4","6","2","7","1") = "6"
    & skf18("2","1","4","6","2","8","1") = "7"
    & skf18("2","1","4","6","2","9","1") = "8"
    & skf18("2","1","4","6","2","10","1") = "9"
    & skf18("2","1","4","6","3","1","1") = "5"
    & skf18("2","1","4","6","3","2","1") = "5"
    & skf18("2","1","4","6","3","3","1") = "5"
    & skf18("2","1","4","6","3","4","1") = "5"
    & skf18("2","1","4","6","3","5","1") = "5"
    & skf18("2","1","4","6","3","6","1") = "5"
    & skf18("2","1","4","6","3","7","1") = "6"
    & skf18("2","1","4","6","3","8","1") = "7"
    & skf18("2","1","4","6","3","9","1") = "8"
    & skf18("2","1","4","6","3","10","1") = "9"
    & skf18("2","1","4","6","4","1","1") = "5"
    & skf18("2","1","4","6","4","2","1") = "5"
    & skf18("2","1","4","6","4","3","1") = "5"
    & skf18("2","1","4","6","4","4","1") = "5"
    & skf18("2","1","4","6","4","5","1") = "5"
    & skf18("2","1","4","6","4","6","1") = "5"
    & skf18("2","1","4","6","4","7","1") = "6"
    & skf18("2","1","4","6","4","8","1") = "7"
    & skf18("2","1","4","6","4","9","1") = "8"
    & skf18("2","1","4","6","4","10","1") = "9"
    & skf18("2","1","4","6","5","1","1") = "5"
    & skf18("2","1","4","6","5","2","1") = "5"
    & skf18("2","1","4","6","5","3","1") = "5"
    & skf18("2","1","4","6","5","4","1") = "5"
    & skf18("2","1","4","6","5","5","1") = "5"
    & skf18("2","1","4","6","5","6","1") = "5"
    & skf18("2","1","4","6","5","7","1") = "6"
    & skf18("2","1","4","6","5","8","1") = "7"
    & skf18("2","1","4","6","5","9","1") = "8"
    & skf18("2","1","4","6","5","10","1") = "9"
    & skf18("2","1","4","6","6","1","1") = "5"
    & skf18("2","1","4","6","6","2","1") = "5"
    & skf18("2","1","4","6","6","3","1") = "5"
    & skf18("2","1","4","6","6","4","1") = "5"
    & skf18("2","1","4","6","6","5","1") = "5"
    & skf18("2","1","4","6","6","6","1") = "5"
    & skf18("2","1","4","6","6","7","1") = "6"
    & skf18("2","1","4","6","6","8","1") = "7"
    & skf18("2","1","4","6","6","9","1") = "8"
    & skf18("2","1","4","6","6","10","1") = "9"
    & skf18("2","1","4","6","7","1","1") = "6"
    & skf18("2","1","4","6","7","2","1") = "6"
    & skf18("2","1","4","6","7","3","1") = "6"
    & skf18("2","1","4","6","7","4","1") = "6"
    & skf18("2","1","4","6","7","5","1") = "6"
    & skf18("2","1","4","6","7","6","1") = "6"
    & skf18("2","1","4","6","7","7","1") = "6"
    & skf18("2","1","4","6","7","8","1") = "7"
    & skf18("2","1","4","6","7","9","1") = "8"
    & skf18("2","1","4","6","7","10","1") = "9"
    & skf18("2","1","4","6","8","1","1") = "7"
    & skf18("2","1","4","6","8","2","1") = "7"
    & skf18("2","1","4","6","8","3","1") = "7"
    & skf18("2","1","4","6","8","4","1") = "7"
    & skf18("2","1","4","6","8","5","1") = "7"
    & skf18("2","1","4","6","8","6","1") = "7"
    & skf18("2","1","4","6","8","7","1") = "7"
    & skf18("2","1","4","6","8","8","1") = "7"
    & skf18("2","1","4","6","8","9","1") = "8"
    & skf18("2","1","4","6","8","10","1") = "9"
    & skf18("2","1","4","6","9","1","1") = "8"
    & skf18("2","1","4","6","9","2","1") = "8"
    & skf18("2","1","4","6","9","3","1") = "8"
    & skf18("2","1","4","6","9","4","1") = "8"
    & skf18("2","1","4","6","9","5","1") = "8"
    & skf18("2","1","4","6","9","6","1") = "8"
    & skf18("2","1","4","6","9","7","1") = "8"
    & skf18("2","1","4","6","9","8","1") = "8"
    & skf18("2","1","4","6","9","9","1") = "8"
    & skf18("2","1","4","6","9","10","1") = "9"
    & skf18("2","1","4","6","10","1","1") = "9"
    & skf18("2","1","4","6","10","2","1") = "9"
    & skf18("2","1","4","6","10","3","1") = "9"
    & skf18("2","1","4","6","10","4","1") = "9"
    & skf18("2","1","4","6","10","5","1") = "9"
    & skf18("2","1","4","6","10","6","1") = "9"
    & skf18("2","1","4","6","10","7","1") = "9"
    & skf18("2","1","4","6","10","8","1") = "9"
    & skf18("2","1","4","6","10","9","1") = "9"
    & skf18("2","1","4","6","10","10","1") = "9"
    & skf18("2","1","4","7","1","1","1") = "6"
    & skf18("2","1","4","7","1","2","1") = "6"
    & skf18("2","1","4","7","1","3","1") = "6"
    & skf18("2","1","4","7","1","4","1") = "6"
    & skf18("2","1","4","7","1","5","1") = "6"
    & skf18("2","1","4","7","1","6","1") = "6"
    & skf18("2","1","4","7","1","7","1") = "6"
    & skf18("2","1","4","7","1","8","1") = "7"
    & skf18("2","1","4","7","1","9","1") = "8"
    & skf18("2","1","4","7","1","10","1") = "9"
    & skf18("2","1","4","7","2","1","1") = "6"
    & skf18("2","1","4","7","2","2","1") = "6"
    & skf18("2","1","4","7","2","3","1") = "6"
    & skf18("2","1","4","7","2","4","1") = "6"
    & skf18("2","1","4","7","2","5","1") = "6"
    & skf18("2","1","4","7","2","6","1") = "6"
    & skf18("2","1","4","7","2","7","1") = "6"
    & skf18("2","1","4","7","2","8","1") = "7"
    & skf18("2","1","4","7","2","9","1") = "8"
    & skf18("2","1","4","7","2","10","1") = "9"
    & skf18("2","1","4","7","3","1","1") = "6"
    & skf18("2","1","4","7","3","2","1") = "6"
    & skf18("2","1","4","7","3","3","1") = "6"
    & skf18("2","1","4","7","3","4","1") = "6"
    & skf18("2","1","4","7","3","5","1") = "6"
    & skf18("2","1","4","7","3","6","1") = "6"
    & skf18("2","1","4","7","3","7","1") = "6"
    & skf18("2","1","4","7","3","8","1") = "7"
    & skf18("2","1","4","7","3","9","1") = "8"
    & skf18("2","1","4","7","3","10","1") = "9"
    & skf18("2","1","4","7","4","1","1") = "6"
    & skf18("2","1","4","7","4","2","1") = "6"
    & skf18("2","1","4","7","4","3","1") = "6"
    & skf18("2","1","4","7","4","4","1") = "6"
    & skf18("2","1","4","7","4","5","1") = "6"
    & skf18("2","1","4","7","4","6","1") = "6"
    & skf18("2","1","4","7","4","7","1") = "6"
    & skf18("2","1","4","7","4","8","1") = "7"
    & skf18("2","1","4","7","4","9","1") = "8"
    & skf18("2","1","4","7","4","10","1") = "9"
    & skf18("2","1","4","7","5","1","1") = "6"
    & skf18("2","1","4","7","5","2","1") = "6"
    & skf18("2","1","4","7","5","3","1") = "6"
    & skf18("2","1","4","7","5","4","1") = "6"
    & skf18("2","1","4","7","5","5","1") = "6"
    & skf18("2","1","4","7","5","6","1") = "6"
    & skf18("2","1","4","7","5","7","1") = "6"
    & skf18("2","1","4","7","5","8","1") = "7"
    & skf18("2","1","4","7","5","9","1") = "8"
    & skf18("2","1","4","7","5","10","1") = "9"
    & skf18("2","1","4","7","6","1","1") = "6"
    & skf18("2","1","4","7","6","2","1") = "6"
    & skf18("2","1","4","7","6","3","1") = "6"
    & skf18("2","1","4","7","6","4","1") = "6"
    & skf18("2","1","4","7","6","5","1") = "6"
    & skf18("2","1","4","7","6","6","1") = "6"
    & skf18("2","1","4","7","6","7","1") = "6"
    & skf18("2","1","4","7","6","8","1") = "7"
    & skf18("2","1","4","7","6","9","1") = "8"
    & skf18("2","1","4","7","6","10","1") = "9"
    & skf18("2","1","4","7","7","1","1") = "6"
    & skf18("2","1","4","7","7","2","1") = "6"
    & skf18("2","1","4","7","7","3","1") = "6"
    & skf18("2","1","4","7","7","4","1") = "6"
    & skf18("2","1","4","7","7","5","1") = "6"
    & skf18("2","1","4","7","7","6","1") = "6"
    & skf18("2","1","4","7","7","7","1") = "6"
    & skf18("2","1","4","7","7","8","1") = "7"
    & skf18("2","1","4","7","7","9","1") = "8"
    & skf18("2","1","4","7","7","10","1") = "9"
    & skf18("2","1","4","7","8","1","1") = "7"
    & skf18("2","1","4","7","8","2","1") = "7"
    & skf18("2","1","4","7","8","3","1") = "7"
    & skf18("2","1","4","7","8","4","1") = "7"
    & skf18("2","1","4","7","8","5","1") = "7"
    & skf18("2","1","4","7","8","6","1") = "7"
    & skf18("2","1","4","7","8","7","1") = "7"
    & skf18("2","1","4","7","8","8","1") = "7"
    & skf18("2","1","4","7","8","9","1") = "8"
    & skf18("2","1","4","7","8","10","1") = "9"
    & skf18("2","1","4","7","9","1","1") = "8"
    & skf18("2","1","4","7","9","2","1") = "8"
    & skf18("2","1","4","7","9","3","1") = "8"
    & skf18("2","1","4","7","9","4","1") = "8"
    & skf18("2","1","4","7","9","5","1") = "8"
    & skf18("2","1","4","7","9","6","1") = "8"
    & skf18("2","1","4","7","9","7","1") = "8"
    & skf18("2","1","4","7","9","8","1") = "8"
    & skf18("2","1","4","7","9","9","1") = "8"
    & skf18("2","1","4","7","9","10","1") = "9"
    & skf18("2","1","4","7","10","1","1") = "9"
    & skf18("2","1","4","7","10","2","1") = "9"
    & skf18("2","1","4","7","10","3","1") = "9"
    & skf18("2","1","4","7","10","4","1") = "9"
    & skf18("2","1","4","7","10","5","1") = "9"
    & skf18("2","1","4","7","10","6","1") = "9"
    & skf18("2","1","4","7","10","7","1") = "9"
    & skf18("2","1","4","7","10","8","1") = "9"
    & skf18("2","1","4","7","10","9","1") = "9"
    & skf18("2","1","4","7","10","10","1") = "9"
    & skf18("2","1","4","8","1","1","1") = "7"
    & skf18("2","1","4","8","1","2","1") = "7"
    & skf18("2","1","4","8","1","3","1") = "7"
    & skf18("2","1","4","8","1","4","1") = "7"
    & skf18("2","1","4","8","1","5","1") = "7"
    & skf18("2","1","4","8","1","6","1") = "7"
    & skf18("2","1","4","8","1","7","1") = "7"
    & skf18("2","1","4","8","1","8","1") = "7"
    & skf18("2","1","4","8","1","9","1") = "8"
    & skf18("2","1","4","8","1","10","1") = "9"
    & skf18("2","1","4","8","2","1","1") = "7"
    & skf18("2","1","4","8","2","2","1") = "7"
    & skf18("2","1","4","8","2","3","1") = "7"
    & skf18("2","1","4","8","2","4","1") = "7"
    & skf18("2","1","4","8","2","5","1") = "7"
    & skf18("2","1","4","8","2","6","1") = "7"
    & skf18("2","1","4","8","2","7","1") = "7"
    & skf18("2","1","4","8","2","8","1") = "7"
    & skf18("2","1","4","8","2","9","1") = "8"
    & skf18("2","1","4","8","2","10","1") = "9"
    & skf18("2","1","4","8","3","1","1") = "7"
    & skf18("2","1","4","8","3","2","1") = "7"
    & skf18("2","1","4","8","3","3","1") = "7"
    & skf18("2","1","4","8","3","4","1") = "7"
    & skf18("2","1","4","8","3","5","1") = "7"
    & skf18("2","1","4","8","3","6","1") = "7"
    & skf18("2","1","4","8","3","7","1") = "7"
    & skf18("2","1","4","8","3","8","1") = "7"
    & skf18("2","1","4","8","3","9","1") = "8"
    & skf18("2","1","4","8","3","10","1") = "9"
    & skf18("2","1","4","8","4","1","1") = "7"
    & skf18("2","1","4","8","4","2","1") = "7"
    & skf18("2","1","4","8","4","3","1") = "7"
    & skf18("2","1","4","8","4","4","1") = "7"
    & skf18("2","1","4","8","4","5","1") = "7"
    & skf18("2","1","4","8","4","6","1") = "7"
    & skf18("2","1","4","8","4","7","1") = "7"
    & skf18("2","1","4","8","4","8","1") = "7"
    & skf18("2","1","4","8","4","9","1") = "8"
    & skf18("2","1","4","8","4","10","1") = "9"
    & skf18("2","1","4","8","5","1","1") = "7"
    & skf18("2","1","4","8","5","2","1") = "7"
    & skf18("2","1","4","8","5","3","1") = "7"
    & skf18("2","1","4","8","5","4","1") = "7"
    & skf18("2","1","4","8","5","5","1") = "7"
    & skf18("2","1","4","8","5","6","1") = "7"
    & skf18("2","1","4","8","5","7","1") = "7"
    & skf18("2","1","4","8","5","8","1") = "7"
    & skf18("2","1","4","8","5","9","1") = "8"
    & skf18("2","1","4","8","5","10","1") = "9"
    & skf18("2","1","4","8","6","1","1") = "7"
    & skf18("2","1","4","8","6","2","1") = "7"
    & skf18("2","1","4","8","6","3","1") = "7"
    & skf18("2","1","4","8","6","4","1") = "7"
    & skf18("2","1","4","8","6","5","1") = "7"
    & skf18("2","1","4","8","6","6","1") = "7"
    & skf18("2","1","4","8","6","7","1") = "7"
    & skf18("2","1","4","8","6","8","1") = "7"
    & skf18("2","1","4","8","6","9","1") = "8"
    & skf18("2","1","4","8","6","10","1") = "9"
    & skf18("2","1","4","8","7","1","1") = "7"
    & skf18("2","1","4","8","7","2","1") = "7"
    & skf18("2","1","4","8","7","3","1") = "7"
    & skf18("2","1","4","8","7","4","1") = "7"
    & skf18("2","1","4","8","7","5","1") = "7"
    & skf18("2","1","4","8","7","6","1") = "7"
    & skf18("2","1","4","8","7","7","1") = "7"
    & skf18("2","1","4","8","7","8","1") = "7"
    & skf18("2","1","4","8","7","9","1") = "8"
    & skf18("2","1","4","8","7","10","1") = "9"
    & skf18("2","1","4","8","8","1","1") = "7"
    & skf18("2","1","4","8","8","2","1") = "7"
    & skf18("2","1","4","8","8","3","1") = "7"
    & skf18("2","1","4","8","8","4","1") = "7"
    & skf18("2","1","4","8","8","5","1") = "7"
    & skf18("2","1","4","8","8","6","1") = "7"
    & skf18("2","1","4","8","8","7","1") = "7"
    & skf18("2","1","4","8","8","8","1") = "7"
    & skf18("2","1","4","8","8","9","1") = "8"
    & skf18("2","1","4","8","8","10","1") = "9"
    & skf18("2","1","4","8","9","1","1") = "8"
    & skf18("2","1","4","8","9","2","1") = "8"
    & skf18("2","1","4","8","9","3","1") = "8"
    & skf18("2","1","4","8","9","4","1") = "8"
    & skf18("2","1","4","8","9","5","1") = "8"
    & skf18("2","1","4","8","9","6","1") = "8"
    & skf18("2","1","4","8","9","7","1") = "8"
    & skf18("2","1","4","8","9","8","1") = "8"
    & skf18("2","1","4","8","9","9","1") = "8"
    & skf18("2","1","4","8","9","10","1") = "9"
    & skf18("2","1","4","8","10","1","1") = "9"
    & skf18("2","1","4","8","10","2","1") = "9"
    & skf18("2","1","4","8","10","3","1") = "9"
    & skf18("2","1","4","8","10","4","1") = "9"
    & skf18("2","1","4","8","10","5","1") = "9"
    & skf18("2","1","4","8","10","6","1") = "9"
    & skf18("2","1","4","8","10","7","1") = "9"
    & skf18("2","1","4","8","10","8","1") = "9"
    & skf18("2","1","4","8","10","9","1") = "9"
    & skf18("2","1","4","8","10","10","1") = "9"
    & skf18("2","1","4","9","1","1","1") = "8"
    & skf18("2","1","4","9","1","2","1") = "8"
    & skf18("2","1","4","9","1","3","1") = "8"
    & skf18("2","1","4","9","1","4","1") = "8"
    & skf18("2","1","4","9","1","5","1") = "8"
    & skf18("2","1","4","9","1","6","1") = "8"
    & skf18("2","1","4","9","1","7","1") = "8"
    & skf18("2","1","4","9","1","8","1") = "8"
    & skf18("2","1","4","9","1","9","1") = "8"
    & skf18("2","1","4","9","1","10","1") = "9"
    & skf18("2","1","4","9","2","1","1") = "8"
    & skf18("2","1","4","9","2","2","1") = "8"
    & skf18("2","1","4","9","2","3","1") = "8"
    & skf18("2","1","4","9","2","4","1") = "8"
    & skf18("2","1","4","9","2","5","1") = "8"
    & skf18("2","1","4","9","2","6","1") = "8"
    & skf18("2","1","4","9","2","7","1") = "8"
    & skf18("2","1","4","9","2","8","1") = "8"
    & skf18("2","1","4","9","2","9","1") = "8"
    & skf18("2","1","4","9","2","10","1") = "9"
    & skf18("2","1","4","9","3","1","1") = "8"
    & skf18("2","1","4","9","3","2","1") = "8"
    & skf18("2","1","4","9","3","3","1") = "8"
    & skf18("2","1","4","9","3","4","1") = "8"
    & skf18("2","1","4","9","3","5","1") = "8"
    & skf18("2","1","4","9","3","6","1") = "8"
    & skf18("2","1","4","9","3","7","1") = "8"
    & skf18("2","1","4","9","3","8","1") = "8"
    & skf18("2","1","4","9","3","9","1") = "8"
    & skf18("2","1","4","9","3","10","1") = "9"
    & skf18("2","1","4","9","4","1","1") = "8"
    & skf18("2","1","4","9","4","2","1") = "8"
    & skf18("2","1","4","9","4","3","1") = "8"
    & skf18("2","1","4","9","4","4","1") = "8"
    & skf18("2","1","4","9","4","5","1") = "8"
    & skf18("2","1","4","9","4","6","1") = "8"
    & skf18("2","1","4","9","4","7","1") = "8"
    & skf18("2","1","4","9","4","8","1") = "8"
    & skf18("2","1","4","9","4","9","1") = "8"
    & skf18("2","1","4","9","4","10","1") = "9"
    & skf18("2","1","4","9","5","1","1") = "8"
    & skf18("2","1","4","9","5","2","1") = "8"
    & skf18("2","1","4","9","5","3","1") = "8"
    & skf18("2","1","4","9","5","4","1") = "8"
    & skf18("2","1","4","9","5","5","1") = "8"
    & skf18("2","1","4","9","5","6","1") = "8"
    & skf18("2","1","4","9","5","7","1") = "8"
    & skf18("2","1","4","9","5","8","1") = "8"
    & skf18("2","1","4","9","5","9","1") = "8"
    & skf18("2","1","4","9","5","10","1") = "9"
    & skf18("2","1","4","9","6","1","1") = "8"
    & skf18("2","1","4","9","6","2","1") = "8"
    & skf18("2","1","4","9","6","3","1") = "8"
    & skf18("2","1","4","9","6","4","1") = "8"
    & skf18("2","1","4","9","6","5","1") = "8"
    & skf18("2","1","4","9","6","6","1") = "8"
    & skf18("2","1","4","9","6","7","1") = "8"
    & skf18("2","1","4","9","6","8","1") = "8"
    & skf18("2","1","4","9","6","9","1") = "8"
    & skf18("2","1","4","9","6","10","1") = "9"
    & skf18("2","1","4","9","7","1","1") = "8"
    & skf18("2","1","4","9","7","2","1") = "8"
    & skf18("2","1","4","9","7","3","1") = "8"
    & skf18("2","1","4","9","7","4","1") = "8"
    & skf18("2","1","4","9","7","5","1") = "8"
    & skf18("2","1","4","9","7","6","1") = "8"
    & skf18("2","1","4","9","7","7","1") = "8"
    & skf18("2","1","4","9","7","8","1") = "8"
    & skf18("2","1","4","9","7","9","1") = "8"
    & skf18("2","1","4","9","7","10","1") = "9"
    & skf18("2","1","4","9","8","1","1") = "8"
    & skf18("2","1","4","9","8","2","1") = "8"
    & skf18("2","1","4","9","8","3","1") = "8"
    & skf18("2","1","4","9","8","4","1") = "8"
    & skf18("2","1","4","9","8","5","1") = "8"
    & skf18("2","1","4","9","8","6","1") = "8"
    & skf18("2","1","4","9","8","7","1") = "8"
    & skf18("2","1","4","9","8","8","1") = "8"
    & skf18("2","1","4","9","8","9","1") = "8"
    & skf18("2","1","4","9","8","10","1") = "9"
    & skf18("2","1","4","9","9","1","1") = "8"
    & skf18("2","1","4","9","9","2","1") = "8"
    & skf18("2","1","4","9","9","3","1") = "8"
    & skf18("2","1","4","9","9","4","1") = "8"
    & skf18("2","1","4","9","9","5","1") = "8"
    & skf18("2","1","4","9","9","6","1") = "8"
    & skf18("2","1","4","9","9","7","1") = "8"
    & skf18("2","1","4","9","9","8","1") = "8"
    & skf18("2","1","4","9","9","9","1") = "8"
    & skf18("2","1","4","9","9","10","1") = "9"
    & skf18("2","1","4","9","10","1","1") = "9"
    & skf18("2","1","4","9","10","2","1") = "9"
    & skf18("2","1","4","9","10","3","1") = "9"
    & skf18("2","1","4","9","10","4","1") = "9"
    & skf18("2","1","4","9","10","5","1") = "9"
    & skf18("2","1","4","9","10","6","1") = "9"
    & skf18("2","1","4","9","10","7","1") = "9"
    & skf18("2","1","4","9","10","8","1") = "9"
    & skf18("2","1","4","9","10","9","1") = "9"
    & skf18("2","1","4","9","10","10","1") = "9"
    & skf18("2","1","4","10","1","1","1") = "9"
    & skf18("2","1","4","10","1","2","1") = "9"
    & skf18("2","1","4","10","1","3","1") = "9"
    & skf18("2","1","4","10","1","4","1") = "9"
    & skf18("2","1","4","10","1","5","1") = "9"
    & skf18("2","1","4","10","1","6","1") = "9"
    & skf18("2","1","4","10","1","7","1") = "9"
    & skf18("2","1","4","10","1","8","1") = "9"
    & skf18("2","1","4","10","1","9","1") = "9"
    & skf18("2","1","4","10","1","10","1") = "9"
    & skf18("2","1","4","10","2","1","1") = "9"
    & skf18("2","1","4","10","2","2","1") = "9"
    & skf18("2","1","4","10","2","3","1") = "9"
    & skf18("2","1","4","10","2","4","1") = "9"
    & skf18("2","1","4","10","2","5","1") = "9"
    & skf18("2","1","4","10","2","6","1") = "9"
    & skf18("2","1","4","10","2","7","1") = "9"
    & skf18("2","1","4","10","2","8","1") = "9"
    & skf18("2","1","4","10","2","9","1") = "9"
    & skf18("2","1","4","10","2","10","1") = "9"
    & skf18("2","1","4","10","3","1","1") = "9"
    & skf18("2","1","4","10","3","2","1") = "9"
    & skf18("2","1","4","10","3","3","1") = "9"
    & skf18("2","1","4","10","3","4","1") = "9"
    & skf18("2","1","4","10","3","5","1") = "9"
    & skf18("2","1","4","10","3","6","1") = "9"
    & skf18("2","1","4","10","3","7","1") = "9"
    & skf18("2","1","4","10","3","8","1") = "9"
    & skf18("2","1","4","10","3","9","1") = "9"
    & skf18("2","1","4","10","3","10","1") = "9"
    & skf18("2","1","4","10","4","1","1") = "9"
    & skf18("2","1","4","10","4","2","1") = "9"
    & skf18("2","1","4","10","4","3","1") = "9"
    & skf18("2","1","4","10","4","4","1") = "9"
    & skf18("2","1","4","10","4","5","1") = "9"
    & skf18("2","1","4","10","4","6","1") = "9"
    & skf18("2","1","4","10","4","7","1") = "9"
    & skf18("2","1","4","10","4","8","1") = "9"
    & skf18("2","1","4","10","4","9","1") = "9"
    & skf18("2","1","4","10","4","10","1") = "9"
    & skf18("2","1","4","10","5","1","1") = "9"
    & skf18("2","1","4","10","5","2","1") = "9"
    & skf18("2","1","4","10","5","3","1") = "9"
    & skf18("2","1","4","10","5","4","1") = "9"
    & skf18("2","1","4","10","5","5","1") = "9"
    & skf18("2","1","4","10","5","6","1") = "9"
    & skf18("2","1","4","10","5","7","1") = "9"
    & skf18("2","1","4","10","5","8","1") = "9"
    & skf18("2","1","4","10","5","9","1") = "9"
    & skf18("2","1","4","10","5","10","1") = "9"
    & skf18("2","1","4","10","6","1","1") = "9"
    & skf18("2","1","4","10","6","2","1") = "9"
    & skf18("2","1","4","10","6","3","1") = "9"
    & skf18("2","1","4","10","6","4","1") = "9"
    & skf18("2","1","4","10","6","5","1") = "9"
    & skf18("2","1","4","10","6","6","1") = "9"
    & skf18("2","1","4","10","6","7","1") = "9"
    & skf18("2","1","4","10","6","8","1") = "9"
    & skf18("2","1","4","10","6","9","1") = "9"
    & skf18("2","1","4","10","6","10","1") = "9"
    & skf18("2","1","4","10","7","1","1") = "9"
    & skf18("2","1","4","10","7","2","1") = "9"
    & skf18("2","1","4","10","7","3","1") = "9"
    & skf18("2","1","4","10","7","4","1") = "9"
    & skf18("2","1","4","10","7","5","1") = "9"
    & skf18("2","1","4","10","7","6","1") = "9"
    & skf18("2","1","4","10","7","7","1") = "9"
    & skf18("2","1","4","10","7","8","1") = "9"
    & skf18("2","1","4","10","7","9","1") = "9"
    & skf18("2","1","4","10","7","10","1") = "9"
    & skf18("2","1","4","10","8","1","1") = "9"
    & skf18("2","1","4","10","8","2","1") = "9"
    & skf18("2","1","4","10","8","3","1") = "9"
    & skf18("2","1","4","10","8","4","1") = "9"
    & skf18("2","1","4","10","8","5","1") = "9"
    & skf18("2","1","4","10","8","6","1") = "9"
    & skf18("2","1","4","10","8","7","1") = "9"
    & skf18("2","1","4","10","8","8","1") = "9"
    & skf18("2","1","4","10","8","9","1") = "9"
    & skf18("2","1","4","10","8","10","1") = "9"
    & skf18("2","1","4","10","9","1","1") = "9"
    & skf18("2","1","4","10","9","2","1") = "9"
    & skf18("2","1","4","10","9","3","1") = "9"
    & skf18("2","1","4","10","9","4","1") = "9"
    & skf18("2","1","4","10","9","5","1") = "9"
    & skf18("2","1","4","10","9","6","1") = "9"
    & skf18("2","1","4","10","9","7","1") = "9"
    & skf18("2","1","4","10","9","8","1") = "9"
    & skf18("2","1","4","10","9","9","1") = "9"
    & skf18("2","1","4","10","9","10","1") = "9"
    & skf18("2","1","4","10","10","1","1") = "9"
    & skf18("2","1","4","10","10","2","1") = "9"
    & skf18("2","1","4","10","10","3","1") = "9"
    & skf18("2","1","4","10","10","4","1") = "9"
    & skf18("2","1","4","10","10","5","1") = "9"
    & skf18("2","1","4","10","10","6","1") = "9"
    & skf18("2","1","4","10","10","7","1") = "9"
    & skf18("2","1","4","10","10","8","1") = "9"
    & skf18("2","1","4","10","10","9","1") = "9"
    & skf18("2","1","4","10","10","10","1") = "9"
    & skf18("2","1","5","1","1","1","1") = "4"
    & skf18("2","1","5","1","1","2","1") = "4"
    & skf18("2","1","5","1","1","3","1") = "4"
    & skf18("2","1","5","1","1","4","1") = "4"
    & skf18("2","1","5","1","1","5","1") = "4"
    & skf18("2","1","5","1","1","6","1") = "5"
    & skf18("2","1","5","1","1","7","1") = "6"
    & skf18("2","1","5","1","1","8","1") = "7"
    & skf18("2","1","5","1","1","9","1") = "8"
    & skf18("2","1","5","1","1","10","1") = "9"
    & skf18("2","1","5","1","2","1","1") = "4"
    & skf18("2","1","5","1","2","2","1") = "4"
    & skf18("2","1","5","1","2","3","1") = "4"
    & skf18("2","1","5","1","2","4","1") = "4"
    & skf18("2","1","5","1","2","5","1") = "4"
    & skf18("2","1","5","1","2","6","1") = "5"
    & skf18("2","1","5","1","2","7","1") = "6"
    & skf18("2","1","5","1","2","8","1") = "7"
    & skf18("2","1","5","1","2","9","1") = "8"
    & skf18("2","1","5","1","2","10","1") = "9"
    & skf18("2","1","5","1","3","1","1") = "4"
    & skf18("2","1","5","1","3","2","1") = "4"
    & skf18("2","1","5","1","3","3","1") = "4"
    & skf18("2","1","5","1","3","4","1") = "4"
    & skf18("2","1","5","1","3","5","1") = "4"
    & skf18("2","1","5","1","3","6","1") = "5"
    & skf18("2","1","5","1","3","7","1") = "6"
    & skf18("2","1","5","1","3","8","1") = "7"
    & skf18("2","1","5","1","3","9","1") = "8"
    & skf18("2","1","5","1","3","10","1") = "9"
    & skf18("2","1","5","1","4","1","1") = "4"
    & skf18("2","1","5","1","4","2","1") = "4"
    & skf18("2","1","5","1","4","3","1") = "4"
    & skf18("2","1","5","1","4","4","1") = "4"
    & skf18("2","1","5","1","4","5","1") = "4"
    & skf18("2","1","5","1","4","6","1") = "5"
    & skf18("2","1","5","1","4","7","1") = "6"
    & skf18("2","1","5","1","4","8","1") = "7"
    & skf18("2","1","5","1","4","9","1") = "8"
    & skf18("2","1","5","1","4","10","1") = "9"
    & skf18("2","1","5","1","5","1","1") = "4"
    & skf18("2","1","5","1","5","2","1") = "4"
    & skf18("2","1","5","1","5","3","1") = "4"
    & skf18("2","1","5","1","5","4","1") = "4"
    & skf18("2","1","5","1","5","5","1") = "4"
    & skf18("2","1","5","1","5","6","1") = "5"
    & skf18("2","1","5","1","5","7","1") = "6"
    & skf18("2","1","5","1","5","8","1") = "7"
    & skf18("2","1","5","1","5","9","1") = "8"
    & skf18("2","1","5","1","5","10","1") = "9"
    & skf18("2","1","5","1","6","1","1") = "5"
    & skf18("2","1","5","1","6","2","1") = "5"
    & skf18("2","1","5","1","6","3","1") = "5"
    & skf18("2","1","5","1","6","4","1") = "5"
    & skf18("2","1","5","1","6","5","1") = "5"
    & skf18("2","1","5","1","6","6","1") = "5"
    & skf18("2","1","5","1","6","7","1") = "6"
    & skf18("2","1","5","1","6","8","1") = "7"
    & skf18("2","1","5","1","6","9","1") = "8"
    & skf18("2","1","5","1","6","10","1") = "9"
    & skf18("2","1","5","1","7","1","1") = "6"
    & skf18("2","1","5","1","7","2","1") = "6"
    & skf18("2","1","5","1","7","3","1") = "6"
    & skf18("2","1","5","1","7","4","1") = "6"
    & skf18("2","1","5","1","7","5","1") = "6"
    & skf18("2","1","5","1","7","6","1") = "6"
    & skf18("2","1","5","1","7","7","1") = "6"
    & skf18("2","1","5","1","7","8","1") = "7"
    & skf18("2","1","5","1","7","9","1") = "8"
    & skf18("2","1","5","1","7","10","1") = "9"
    & skf18("2","1","5","1","8","1","1") = "7"
    & skf18("2","1","5","1","8","2","1") = "7"
    & skf18("2","1","5","1","8","3","1") = "7"
    & skf18("2","1","5","1","8","4","1") = "7"
    & skf18("2","1","5","1","8","5","1") = "7"
    & skf18("2","1","5","1","8","6","1") = "7"
    & skf18("2","1","5","1","8","7","1") = "7"
    & skf18("2","1","5","1","8","8","1") = "7"
    & skf18("2","1","5","1","8","9","1") = "8"
    & skf18("2","1","5","1","8","10","1") = "9"
    & skf18("2","1","5","1","9","1","1") = "8"
    & skf18("2","1","5","1","9","2","1") = "8"
    & skf18("2","1","5","1","9","3","1") = "8"
    & skf18("2","1","5","1","9","4","1") = "8"
    & skf18("2","1","5","1","9","5","1") = "8"
    & skf18("2","1","5","1","9","6","1") = "8"
    & skf18("2","1","5","1","9","7","1") = "8"
    & skf18("2","1","5","1","9","8","1") = "8"
    & skf18("2","1","5","1","9","9","1") = "8"
    & skf18("2","1","5","1","9","10","1") = "9"
    & skf18("2","1","5","1","10","1","1") = "9"
    & skf18("2","1","5","1","10","2","1") = "9"
    & skf18("2","1","5","1","10","3","1") = "9"
    & skf18("2","1","5","1","10","4","1") = "9"
    & skf18("2","1","5","1","10","5","1") = "9"
    & skf18("2","1","5","1","10","6","1") = "9"
    & skf18("2","1","5","1","10","7","1") = "9"
    & skf18("2","1","5","1","10","8","1") = "9"
    & skf18("2","1","5","1","10","9","1") = "9"
    & skf18("2","1","5","1","10","10","1") = "9"
    & skf18("2","1","5","2","1","1","1") = "4"
    & skf18("2","1","5","2","1","2","1") = "4"
    & skf18("2","1","5","2","1","3","1") = "4"
    & skf18("2","1","5","2","1","4","1") = "4"
    & skf18("2","1","5","2","1","5","1") = "4"
    & skf18("2","1","5","2","1","6","1") = "5"
    & skf18("2","1","5","2","1","7","1") = "6"
    & skf18("2","1","5","2","1","8","1") = "7"
    & skf18("2","1","5","2","1","9","1") = "8"
    & skf18("2","1","5","2","1","10","1") = "9"
    & skf18("2","1","5","2","2","1","1") = "4"
    & skf18("2","1","5","2","2","2","1") = "4"
    & skf18("2","1","5","2","2","3","1") = "4"
    & skf18("2","1","5","2","2","4","1") = "4"
    & skf18("2","1","5","2","2","5","1") = "4"
    & skf18("2","1","5","2","2","6","1") = "5"
    & skf18("2","1","5","2","2","7","1") = "6"
    & skf18("2","1","5","2","2","8","1") = "7"
    & skf18("2","1","5","2","2","9","1") = "8"
    & skf18("2","1","5","2","2","10","1") = "9"
    & skf18("2","1","5","2","3","1","1") = "4"
    & skf18("2","1","5","2","3","2","1") = "4"
    & skf18("2","1","5","2","3","3","1") = "4"
    & skf18("2","1","5","2","3","4","1") = "4"
    & skf18("2","1","5","2","3","5","1") = "4"
    & skf18("2","1","5","2","3","6","1") = "5"
    & skf18("2","1","5","2","3","7","1") = "6"
    & skf18("2","1","5","2","3","8","1") = "7"
    & skf18("2","1","5","2","3","9","1") = "8"
    & skf18("2","1","5","2","3","10","1") = "9"
    & skf18("2","1","5","2","4","1","1") = "4"
    & skf18("2","1","5","2","4","2","1") = "4"
    & skf18("2","1","5","2","4","3","1") = "4"
    & skf18("2","1","5","2","4","4","1") = "4"
    & skf18("2","1","5","2","4","5","1") = "4"
    & skf18("2","1","5","2","4","6","1") = "5"
    & skf18("2","1","5","2","4","7","1") = "6"
    & skf18("2","1","5","2","4","8","1") = "7"
    & skf18("2","1","5","2","4","9","1") = "8"
    & skf18("2","1","5","2","4","10","1") = "9"
    & skf18("2","1","5","2","5","1","1") = "4"
    & skf18("2","1","5","2","5","2","1") = "4"
    & skf18("2","1","5","2","5","3","1") = "4"
    & skf18("2","1","5","2","5","4","1") = "4"
    & skf18("2","1","5","2","5","5","1") = "4"
    & skf18("2","1","5","2","5","6","1") = "5"
    & skf18("2","1","5","2","5","7","1") = "6"
    & skf18("2","1","5","2","5","8","1") = "7"
    & skf18("2","1","5","2","5","9","1") = "8"
    & skf18("2","1","5","2","5","10","1") = "9"
    & skf18("2","1","5","2","6","1","1") = "5"
    & skf18("2","1","5","2","6","2","1") = "5"
    & skf18("2","1","5","2","6","3","1") = "5"
    & skf18("2","1","5","2","6","4","1") = "5"
    & skf18("2","1","5","2","6","5","1") = "5"
    & skf18("2","1","5","2","6","6","1") = "5"
    & skf18("2","1","5","2","6","7","1") = "6"
    & skf18("2","1","5","2","6","8","1") = "7"
    & skf18("2","1","5","2","6","9","1") = "8"
    & skf18("2","1","5","2","6","10","1") = "9"
    & skf18("2","1","5","2","7","1","1") = "6"
    & skf18("2","1","5","2","7","2","1") = "6"
    & skf18("2","1","5","2","7","3","1") = "6"
    & skf18("2","1","5","2","7","4","1") = "6"
    & skf18("2","1","5","2","7","5","1") = "6"
    & skf18("2","1","5","2","7","6","1") = "6"
    & skf18("2","1","5","2","7","7","1") = "6"
    & skf18("2","1","5","2","7","8","1") = "7"
    & skf18("2","1","5","2","7","9","1") = "8"
    & skf18("2","1","5","2","7","10","1") = "9"
    & skf18("2","1","5","2","8","1","1") = "7"
    & skf18("2","1","5","2","8","2","1") = "7"
    & skf18("2","1","5","2","8","3","1") = "7"
    & skf18("2","1","5","2","8","4","1") = "7"
    & skf18("2","1","5","2","8","5","1") = "7"
    & skf18("2","1","5","2","8","6","1") = "7"
    & skf18("2","1","5","2","8","7","1") = "7"
    & skf18("2","1","5","2","8","8","1") = "7"
    & skf18("2","1","5","2","8","9","1") = "8"
    & skf18("2","1","5","2","8","10","1") = "9"
    & skf18("2","1","5","2","9","1","1") = "8"
    & skf18("2","1","5","2","9","2","1") = "8"
    & skf18("2","1","5","2","9","3","1") = "8"
    & skf18("2","1","5","2","9","4","1") = "8"
    & skf18("2","1","5","2","9","5","1") = "8"
    & skf18("2","1","5","2","9","6","1") = "8"
    & skf18("2","1","5","2","9","7","1") = "8"
    & skf18("2","1","5","2","9","8","1") = "8"
    & skf18("2","1","5","2","9","9","1") = "8"
    & skf18("2","1","5","2","9","10","1") = "9"
    & skf18("2","1","5","2","10","1","1") = "9"
    & skf18("2","1","5","2","10","2","1") = "9"
    & skf18("2","1","5","2","10","3","1") = "9"
    & skf18("2","1","5","2","10","4","1") = "9"
    & skf18("2","1","5","2","10","5","1") = "9"
    & skf18("2","1","5","2","10","6","1") = "9"
    & skf18("2","1","5","2","10","7","1") = "9"
    & skf18("2","1","5","2","10","8","1") = "9"
    & skf18("2","1","5","2","10","9","1") = "9"
    & skf18("2","1","5","2","10","10","1") = "9"
    & skf18("2","1","5","3","1","1","1") = "4"
    & skf18("2","1","5","3","1","2","1") = "4"
    & skf18("2","1","5","3","1","3","1") = "4"
    & skf18("2","1","5","3","1","4","1") = "4"
    & skf18("2","1","5","3","1","5","1") = "4"
    & skf18("2","1","5","3","1","6","1") = "5"
    & skf18("2","1","5","3","1","7","1") = "6"
    & skf18("2","1","5","3","1","8","1") = "7"
    & skf18("2","1","5","3","1","9","1") = "8"
    & skf18("2","1","5","3","1","10","1") = "9"
    & skf18("2","1","5","3","2","1","1") = "4"
    & skf18("2","1","5","3","2","2","1") = "4"
    & skf18("2","1","5","3","2","3","1") = "4"
    & skf18("2","1","5","3","2","4","1") = "4"
    & skf18("2","1","5","3","2","5","1") = "4"
    & skf18("2","1","5","3","2","6","1") = "5"
    & skf18("2","1","5","3","2","7","1") = "6"
    & skf18("2","1","5","3","2","8","1") = "7"
    & skf18("2","1","5","3","2","9","1") = "8"
    & skf18("2","1","5","3","2","10","1") = "9"
    & skf18("2","1","5","3","3","1","1") = "4"
    & skf18("2","1","5","3","3","2","1") = "4"
    & skf18("2","1","5","3","3","3","1") = "4"
    & skf18("2","1","5","3","3","4","1") = "4"
    & skf18("2","1","5","3","3","5","1") = "4"
    & skf18("2","1","5","3","3","6","1") = "5"
    & skf18("2","1","5","3","3","7","1") = "6"
    & skf18("2","1","5","3","3","8","1") = "7"
    & skf18("2","1","5","3","3","9","1") = "8"
    & skf18("2","1","5","3","3","10","1") = "9"
    & skf18("2","1","5","3","4","1","1") = "4"
    & skf18("2","1","5","3","4","2","1") = "4"
    & skf18("2","1","5","3","4","3","1") = "4"
    & skf18("2","1","5","3","4","4","1") = "4"
    & skf18("2","1","5","3","4","5","1") = "4"
    & skf18("2","1","5","3","4","6","1") = "5"
    & skf18("2","1","5","3","4","7","1") = "6"
    & skf18("2","1","5","3","4","8","1") = "7"
    & skf18("2","1","5","3","4","9","1") = "8"
    & skf18("2","1","5","3","4","10","1") = "9"
    & skf18("2","1","5","3","5","1","1") = "4"
    & skf18("2","1","5","3","5","2","1") = "4"
    & skf18("2","1","5","3","5","3","1") = "4"
    & skf18("2","1","5","3","5","4","1") = "4"
    & skf18("2","1","5","3","5","5","1") = "4"
    & skf18("2","1","5","3","5","6","1") = "5"
    & skf18("2","1","5","3","5","7","1") = "6"
    & skf18("2","1","5","3","5","8","1") = "7"
    & skf18("2","1","5","3","5","9","1") = "8"
    & skf18("2","1","5","3","5","10","1") = "9"
    & skf18("2","1","5","3","6","1","1") = "5"
    & skf18("2","1","5","3","6","2","1") = "5"
    & skf18("2","1","5","3","6","3","1") = "5"
    & skf18("2","1","5","3","6","4","1") = "5"
    & skf18("2","1","5","3","6","5","1") = "5"
    & skf18("2","1","5","3","6","6","1") = "5"
    & skf18("2","1","5","3","6","7","1") = "6"
    & skf18("2","1","5","3","6","8","1") = "7"
    & skf18("2","1","5","3","6","9","1") = "8"
    & skf18("2","1","5","3","6","10","1") = "9"
    & skf18("2","1","5","3","7","1","1") = "6"
    & skf18("2","1","5","3","7","2","1") = "6"
    & skf18("2","1","5","3","7","3","1") = "6"
    & skf18("2","1","5","3","7","4","1") = "6"
    & skf18("2","1","5","3","7","5","1") = "6"
    & skf18("2","1","5","3","7","6","1") = "6"
    & skf18("2","1","5","3","7","7","1") = "6"
    & skf18("2","1","5","3","7","8","1") = "7"
    & skf18("2","1","5","3","7","9","1") = "8"
    & skf18("2","1","5","3","7","10","1") = "9"
    & skf18("2","1","5","3","8","1","1") = "7"
    & skf18("2","1","5","3","8","2","1") = "7"
    & skf18("2","1","5","3","8","3","1") = "7"
    & skf18("2","1","5","3","8","4","1") = "7"
    & skf18("2","1","5","3","8","5","1") = "7"
    & skf18("2","1","5","3","8","6","1") = "7"
    & skf18("2","1","5","3","8","7","1") = "7"
    & skf18("2","1","5","3","8","8","1") = "7"
    & skf18("2","1","5","3","8","9","1") = "8"
    & skf18("2","1","5","3","8","10","1") = "9"
    & skf18("2","1","5","3","9","1","1") = "8"
    & skf18("2","1","5","3","9","2","1") = "8"
    & skf18("2","1","5","3","9","3","1") = "8"
    & skf18("2","1","5","3","9","4","1") = "8"
    & skf18("2","1","5","3","9","5","1") = "8"
    & skf18("2","1","5","3","9","6","1") = "8"
    & skf18("2","1","5","3","9","7","1") = "8"
    & skf18("2","1","5","3","9","8","1") = "8"
    & skf18("2","1","5","3","9","9","1") = "8"
    & skf18("2","1","5","3","9","10","1") = "9"
    & skf18("2","1","5","3","10","1","1") = "9"
    & skf18("2","1","5","3","10","2","1") = "9"
    & skf18("2","1","5","3","10","3","1") = "9"
    & skf18("2","1","5","3","10","4","1") = "9"
    & skf18("2","1","5","3","10","5","1") = "9"
    & skf18("2","1","5","3","10","6","1") = "9"
    & skf18("2","1","5","3","10","7","1") = "9"
    & skf18("2","1","5","3","10","8","1") = "9"
    & skf18("2","1","5","3","10","9","1") = "9"
    & skf18("2","1","5","3","10","10","1") = "9"
    & skf18("2","1","5","4","1","1","1") = "4"
    & skf18("2","1","5","4","1","2","1") = "4"
    & skf18("2","1","5","4","1","3","1") = "4"
    & skf18("2","1","5","4","1","4","1") = "4"
    & skf18("2","1","5","4","1","5","1") = "4"
    & skf18("2","1","5","4","1","6","1") = "5"
    & skf18("2","1","5","4","1","7","1") = "6"
    & skf18("2","1","5","4","1","8","1") = "7"
    & skf18("2","1","5","4","1","9","1") = "8"
    & skf18("2","1","5","4","1","10","1") = "9"
    & skf18("2","1","5","4","2","1","1") = "4"
    & skf18("2","1","5","4","2","2","1") = "4"
    & skf18("2","1","5","4","2","3","1") = "4"
    & skf18("2","1","5","4","2","4","1") = "4"
    & skf18("2","1","5","4","2","5","1") = "4"
    & skf18("2","1","5","4","2","6","1") = "5"
    & skf18("2","1","5","4","2","7","1") = "6"
    & skf18("2","1","5","4","2","8","1") = "7"
    & skf18("2","1","5","4","2","9","1") = "8"
    & skf18("2","1","5","4","2","10","1") = "9"
    & skf18("2","1","5","4","3","1","1") = "4"
    & skf18("2","1","5","4","3","2","1") = "4"
    & skf18("2","1","5","4","3","3","1") = "4"
    & skf18("2","1","5","4","3","4","1") = "4"
    & skf18("2","1","5","4","3","5","1") = "4"
    & skf18("2","1","5","4","3","6","1") = "5"
    & skf18("2","1","5","4","3","7","1") = "6"
    & skf18("2","1","5","4","3","8","1") = "7"
    & skf18("2","1","5","4","3","9","1") = "8"
    & skf18("2","1","5","4","3","10","1") = "9"
    & skf18("2","1","5","4","4","1","1") = "4"
    & skf18("2","1","5","4","4","2","1") = "4"
    & skf18("2","1","5","4","4","3","1") = "4"
    & skf18("2","1","5","4","4","4","1") = "4"
    & skf18("2","1","5","4","4","5","1") = "4"
    & skf18("2","1","5","4","4","6","1") = "5"
    & skf18("2","1","5","4","4","7","1") = "6"
    & skf18("2","1","5","4","4","8","1") = "7"
    & skf18("2","1","5","4","4","9","1") = "8"
    & skf18("2","1","5","4","4","10","1") = "9"
    & skf18("2","1","5","4","5","1","1") = "4"
    & skf18("2","1","5","4","5","2","1") = "4"
    & skf18("2","1","5","4","5","3","1") = "4"
    & skf18("2","1","5","4","5","4","1") = "4"
    & skf18("2","1","5","4","5","5","1") = "4"
    & skf18("2","1","5","4","5","6","1") = "5"
    & skf18("2","1","5","4","5","7","1") = "6"
    & skf18("2","1","5","4","5","8","1") = "7"
    & skf18("2","1","5","4","5","9","1") = "8"
    & skf18("2","1","5","4","5","10","1") = "9"
    & skf18("2","1","5","4","6","1","1") = "5"
    & skf18("2","1","5","4","6","2","1") = "5"
    & skf18("2","1","5","4","6","3","1") = "5"
    & skf18("2","1","5","4","6","4","1") = "5"
    & skf18("2","1","5","4","6","5","1") = "5"
    & skf18("2","1","5","4","6","6","1") = "5"
    & skf18("2","1","5","4","6","7","1") = "6"
    & skf18("2","1","5","4","6","8","1") = "7"
    & skf18("2","1","5","4","6","9","1") = "8"
    & skf18("2","1","5","4","6","10","1") = "9"
    & skf18("2","1","5","4","7","1","1") = "6"
    & skf18("2","1","5","4","7","2","1") = "6"
    & skf18("2","1","5","4","7","3","1") = "6"
    & skf18("2","1","5","4","7","4","1") = "6"
    & skf18("2","1","5","4","7","5","1") = "6"
    & skf18("2","1","5","4","7","6","1") = "6"
    & skf18("2","1","5","4","7","7","1") = "6"
    & skf18("2","1","5","4","7","8","1") = "7"
    & skf18("2","1","5","4","7","9","1") = "8"
    & skf18("2","1","5","4","7","10","1") = "9"
    & skf18("2","1","5","4","8","1","1") = "7"
    & skf18("2","1","5","4","8","2","1") = "7"
    & skf18("2","1","5","4","8","3","1") = "7"
    & skf18("2","1","5","4","8","4","1") = "7"
    & skf18("2","1","5","4","8","5","1") = "7"
    & skf18("2","1","5","4","8","6","1") = "7"
    & skf18("2","1","5","4","8","7","1") = "7"
    & skf18("2","1","5","4","8","8","1") = "7"
    & skf18("2","1","5","4","8","9","1") = "8"
    & skf18("2","1","5","4","8","10","1") = "9"
    & skf18("2","1","5","4","9","1","1") = "8"
    & skf18("2","1","5","4","9","2","1") = "8"
    & skf18("2","1","5","4","9","3","1") = "8"
    & skf18("2","1","5","4","9","4","1") = "8"
    & skf18("2","1","5","4","9","5","1") = "8"
    & skf18("2","1","5","4","9","6","1") = "8"
    & skf18("2","1","5","4","9","7","1") = "8"
    & skf18("2","1","5","4","9","8","1") = "8"
    & skf18("2","1","5","4","9","9","1") = "8"
    & skf18("2","1","5","4","9","10","1") = "9"
    & skf18("2","1","5","4","10","1","1") = "9"
    & skf18("2","1","5","4","10","2","1") = "9"
    & skf18("2","1","5","4","10","3","1") = "9"
    & skf18("2","1","5","4","10","4","1") = "9"
    & skf18("2","1","5","4","10","5","1") = "9"
    & skf18("2","1","5","4","10","6","1") = "9"
    & skf18("2","1","5","4","10","7","1") = "9"
    & skf18("2","1","5","4","10","8","1") = "9"
    & skf18("2","1","5","4","10","9","1") = "9"
    & skf18("2","1","5","4","10","10","1") = "9"
    & skf18("2","1","5","5","1","1","1") = "4"
    & skf18("2","1","5","5","1","2","1") = "4"
    & skf18("2","1","5","5","1","3","1") = "4"
    & skf18("2","1","5","5","1","4","1") = "4"
    & skf18("2","1","5","5","1","5","1") = "4"
    & skf18("2","1","5","5","1","6","1") = "5"
    & skf18("2","1","5","5","1","7","1") = "6"
    & skf18("2","1","5","5","1","8","1") = "7"
    & skf18("2","1","5","5","1","9","1") = "8"
    & skf18("2","1","5","5","1","10","1") = "9"
    & skf18("2","1","5","5","2","1","1") = "4"
    & skf18("2","1","5","5","2","2","1") = "4"
    & skf18("2","1","5","5","2","3","1") = "4"
    & skf18("2","1","5","5","2","4","1") = "4"
    & skf18("2","1","5","5","2","5","1") = "4"
    & skf18("2","1","5","5","2","6","1") = "5"
    & skf18("2","1","5","5","2","7","1") = "6"
    & skf18("2","1","5","5","2","8","1") = "7"
    & skf18("2","1","5","5","2","9","1") = "8"
    & skf18("2","1","5","5","2","10","1") = "9"
    & skf18("2","1","5","5","3","1","1") = "4"
    & skf18("2","1","5","5","3","2","1") = "4"
    & skf18("2","1","5","5","3","3","1") = "4"
    & skf18("2","1","5","5","3","4","1") = "4"
    & skf18("2","1","5","5","3","5","1") = "4"
    & skf18("2","1","5","5","3","6","1") = "5"
    & skf18("2","1","5","5","3","7","1") = "6"
    & skf18("2","1","5","5","3","8","1") = "7"
    & skf18("2","1","5","5","3","9","1") = "8"
    & skf18("2","1","5","5","3","10","1") = "9"
    & skf18("2","1","5","5","4","1","1") = "4"
    & skf18("2","1","5","5","4","2","1") = "4"
    & skf18("2","1","5","5","4","3","1") = "4"
    & skf18("2","1","5","5","4","4","1") = "4"
    & skf18("2","1","5","5","4","5","1") = "4"
    & skf18("2","1","5","5","4","6","1") = "5"
    & skf18("2","1","5","5","4","7","1") = "6"
    & skf18("2","1","5","5","4","8","1") = "7"
    & skf18("2","1","5","5","4","9","1") = "8"
    & skf18("2","1","5","5","4","10","1") = "9"
    & skf18("2","1","5","5","5","1","1") = "4"
    & skf18("2","1","5","5","5","2","1") = "4"
    & skf18("2","1","5","5","5","3","1") = "4"
    & skf18("2","1","5","5","5","4","1") = "4"
    & skf18("2","1","5","5","5","5","1") = "4"
    & skf18("2","1","5","5","5","6","1") = "5"
    & skf18("2","1","5","5","5","7","1") = "6"
    & skf18("2","1","5","5","5","8","1") = "7"
    & skf18("2","1","5","5","5","9","1") = "8"
    & skf18("2","1","5","5","5","10","1") = "9"
    & skf18("2","1","5","5","6","1","1") = "5"
    & skf18("2","1","5","5","6","2","1") = "5"
    & skf18("2","1","5","5","6","3","1") = "5"
    & skf18("2","1","5","5","6","4","1") = "5"
    & skf18("2","1","5","5","6","5","1") = "5"
    & skf18("2","1","5","5","6","6","1") = "5"
    & skf18("2","1","5","5","6","7","1") = "6"
    & skf18("2","1","5","5","6","8","1") = "7"
    & skf18("2","1","5","5","6","9","1") = "8"
    & skf18("2","1","5","5","6","10","1") = "9"
    & skf18("2","1","5","5","7","1","1") = "6"
    & skf18("2","1","5","5","7","2","1") = "6"
    & skf18("2","1","5","5","7","3","1") = "6"
    & skf18("2","1","5","5","7","4","1") = "6"
    & skf18("2","1","5","5","7","5","1") = "6"
    & skf18("2","1","5","5","7","6","1") = "6"
    & skf18("2","1","5","5","7","7","1") = "6"
    & skf18("2","1","5","5","7","8","1") = "7"
    & skf18("2","1","5","5","7","9","1") = "8"
    & skf18("2","1","5","5","7","10","1") = "9"
    & skf18("2","1","5","5","8","1","1") = "7"
    & skf18("2","1","5","5","8","2","1") = "7"
    & skf18("2","1","5","5","8","3","1") = "7"
    & skf18("2","1","5","5","8","4","1") = "7"
    & skf18("2","1","5","5","8","5","1") = "7"
    & skf18("2","1","5","5","8","6","1") = "7"
    & skf18("2","1","5","5","8","7","1") = "7"
    & skf18("2","1","5","5","8","8","1") = "7"
    & skf18("2","1","5","5","8","9","1") = "8"
    & skf18("2","1","5","5","8","10","1") = "9"
    & skf18("2","1","5","5","9","1","1") = "8"
    & skf18("2","1","5","5","9","2","1") = "8"
    & skf18("2","1","5","5","9","3","1") = "8"
    & skf18("2","1","5","5","9","4","1") = "8"
    & skf18("2","1","5","5","9","5","1") = "8"
    & skf18("2","1","5","5","9","6","1") = "8"
    & skf18("2","1","5","5","9","7","1") = "8"
    & skf18("2","1","5","5","9","8","1") = "8"
    & skf18("2","1","5","5","9","9","1") = "8"
    & skf18("2","1","5","5","9","10","1") = "9"
    & skf18("2","1","5","5","10","1","1") = "9"
    & skf18("2","1","5","5","10","2","1") = "9"
    & skf18("2","1","5","5","10","3","1") = "9"
    & skf18("2","1","5","5","10","4","1") = "9"
    & skf18("2","1","5","5","10","5","1") = "9"
    & skf18("2","1","5","5","10","6","1") = "9"
    & skf18("2","1","5","5","10","7","1") = "9"
    & skf18("2","1","5","5","10","8","1") = "9"
    & skf18("2","1","5","5","10","9","1") = "9"
    & skf18("2","1","5","5","10","10","1") = "9"
    & skf18("2","1","5","6","1","1","1") = "5"
    & skf18("2","1","5","6","1","2","1") = "5"
    & skf18("2","1","5","6","1","3","1") = "5"
    & skf18("2","1","5","6","1","4","1") = "5"
    & skf18("2","1","5","6","1","5","1") = "5"
    & skf18("2","1","5","6","1","6","1") = "5"
    & skf18("2","1","5","6","1","7","1") = "6"
    & skf18("2","1","5","6","1","8","1") = "7"
    & skf18("2","1","5","6","1","9","1") = "8"
    & skf18("2","1","5","6","1","10","1") = "9"
    & skf18("2","1","5","6","2","1","1") = "5"
    & skf18("2","1","5","6","2","2","1") = "5"
    & skf18("2","1","5","6","2","3","1") = "5"
    & skf18("2","1","5","6","2","4","1") = "5"
    & skf18("2","1","5","6","2","5","1") = "5"
    & skf18("2","1","5","6","2","6","1") = "5"
    & skf18("2","1","5","6","2","7","1") = "6"
    & skf18("2","1","5","6","2","8","1") = "7"
    & skf18("2","1","5","6","2","9","1") = "8"
    & skf18("2","1","5","6","2","10","1") = "9"
    & skf18("2","1","5","6","3","1","1") = "5"
    & skf18("2","1","5","6","3","2","1") = "5"
    & skf18("2","1","5","6","3","3","1") = "5"
    & skf18("2","1","5","6","3","4","1") = "5"
    & skf18("2","1","5","6","3","5","1") = "5"
    & skf18("2","1","5","6","3","6","1") = "5"
    & skf18("2","1","5","6","3","7","1") = "6"
    & skf18("2","1","5","6","3","8","1") = "7"
    & skf18("2","1","5","6","3","9","1") = "8"
    & skf18("2","1","5","6","3","10","1") = "9"
    & skf18("2","1","5","6","4","1","1") = "5"
    & skf18("2","1","5","6","4","2","1") = "5"
    & skf18("2","1","5","6","4","3","1") = "5"
    & skf18("2","1","5","6","4","4","1") = "5"
    & skf18("2","1","5","6","4","5","1") = "5"
    & skf18("2","1","5","6","4","6","1") = "5"
    & skf18("2","1","5","6","4","7","1") = "6"
    & skf18("2","1","5","6","4","8","1") = "7"
    & skf18("2","1","5","6","4","9","1") = "8"
    & skf18("2","1","5","6","4","10","1") = "9"
    & skf18("2","1","5","6","5","1","1") = "5"
    & skf18("2","1","5","6","5","2","1") = "5"
    & skf18("2","1","5","6","5","3","1") = "5"
    & skf18("2","1","5","6","5","4","1") = "5"
    & skf18("2","1","5","6","5","5","1") = "5"
    & skf18("2","1","5","6","5","6","1") = "5"
    & skf18("2","1","5","6","5","7","1") = "6"
    & skf18("2","1","5","6","5","8","1") = "7"
    & skf18("2","1","5","6","5","9","1") = "8"
    & skf18("2","1","5","6","5","10","1") = "9"
    & skf18("2","1","5","6","6","1","1") = "5"
    & skf18("2","1","5","6","6","2","1") = "5"
    & skf18("2","1","5","6","6","3","1") = "5"
    & skf18("2","1","5","6","6","4","1") = "5"
    & skf18("2","1","5","6","6","5","1") = "5"
    & skf18("2","1","5","6","6","6","1") = "5"
    & skf18("2","1","5","6","6","7","1") = "6"
    & skf18("2","1","5","6","6","8","1") = "7"
    & skf18("2","1","5","6","6","9","1") = "8"
    & skf18("2","1","5","6","6","10","1") = "9"
    & skf18("2","1","5","6","7","1","1") = "6"
    & skf18("2","1","5","6","7","2","1") = "6"
    & skf18("2","1","5","6","7","3","1") = "6"
    & skf18("2","1","5","6","7","4","1") = "6"
    & skf18("2","1","5","6","7","5","1") = "6"
    & skf18("2","1","5","6","7","6","1") = "6"
    & skf18("2","1","5","6","7","7","1") = "6"
    & skf18("2","1","5","6","7","8","1") = "7"
    & skf18("2","1","5","6","7","9","1") = "8"
    & skf18("2","1","5","6","7","10","1") = "9"
    & skf18("2","1","5","6","8","1","1") = "7"
    & skf18("2","1","5","6","8","2","1") = "7"
    & skf18("2","1","5","6","8","3","1") = "7"
    & skf18("2","1","5","6","8","4","1") = "7"
    & skf18("2","1","5","6","8","5","1") = "7"
    & skf18("2","1","5","6","8","6","1") = "7"
    & skf18("2","1","5","6","8","7","1") = "7"
    & skf18("2","1","5","6","8","8","1") = "7"
    & skf18("2","1","5","6","8","9","1") = "8"
    & skf18("2","1","5","6","8","10","1") = "9"
    & skf18("2","1","5","6","9","1","1") = "8"
    & skf18("2","1","5","6","9","2","1") = "8"
    & skf18("2","1","5","6","9","3","1") = "8"
    & skf18("2","1","5","6","9","4","1") = "8"
    & skf18("2","1","5","6","9","5","1") = "8"
    & skf18("2","1","5","6","9","6","1") = "8"
    & skf18("2","1","5","6","9","7","1") = "8"
    & skf18("2","1","5","6","9","8","1") = "8"
    & skf18("2","1","5","6","9","9","1") = "8"
    & skf18("2","1","5","6","9","10","1") = "9"
    & skf18("2","1","5","6","10","1","1") = "9"
    & skf18("2","1","5","6","10","2","1") = "9"
    & skf18("2","1","5","6","10","3","1") = "9"
    & skf18("2","1","5","6","10","4","1") = "9"
    & skf18("2","1","5","6","10","5","1") = "9"
    & skf18("2","1","5","6","10","6","1") = "9"
    & skf18("2","1","5","6","10","7","1") = "9"
    & skf18("2","1","5","6","10","8","1") = "9"
    & skf18("2","1","5","6","10","9","1") = "9"
    & skf18("2","1","5","6","10","10","1") = "9"
    & skf18("2","1","5","7","1","1","1") = "6"
    & skf18("2","1","5","7","1","2","1") = "6"
    & skf18("2","1","5","7","1","3","1") = "6"
    & skf18("2","1","5","7","1","4","1") = "6"
    & skf18("2","1","5","7","1","5","1") = "6"
    & skf18("2","1","5","7","1","6","1") = "6"
    & skf18("2","1","5","7","1","7","1") = "6"
    & skf18("2","1","5","7","1","8","1") = "7"
    & skf18("2","1","5","7","1","9","1") = "8"
    & skf18("2","1","5","7","1","10","1") = "9"
    & skf18("2","1","5","7","2","1","1") = "6"
    & skf18("2","1","5","7","2","2","1") = "6"
    & skf18("2","1","5","7","2","3","1") = "6"
    & skf18("2","1","5","7","2","4","1") = "6"
    & skf18("2","1","5","7","2","5","1") = "6"
    & skf18("2","1","5","7","2","6","1") = "6"
    & skf18("2","1","5","7","2","7","1") = "6"
    & skf18("2","1","5","7","2","8","1") = "7"
    & skf18("2","1","5","7","2","9","1") = "8"
    & skf18("2","1","5","7","2","10","1") = "9"
    & skf18("2","1","5","7","3","1","1") = "6"
    & skf18("2","1","5","7","3","2","1") = "6"
    & skf18("2","1","5","7","3","3","1") = "6"
    & skf18("2","1","5","7","3","4","1") = "6"
    & skf18("2","1","5","7","3","5","1") = "6"
    & skf18("2","1","5","7","3","6","1") = "6"
    & skf18("2","1","5","7","3","7","1") = "6"
    & skf18("2","1","5","7","3","8","1") = "7"
    & skf18("2","1","5","7","3","9","1") = "8"
    & skf18("2","1","5","7","3","10","1") = "9"
    & skf18("2","1","5","7","4","1","1") = "6"
    & skf18("2","1","5","7","4","2","1") = "6"
    & skf18("2","1","5","7","4","3","1") = "6"
    & skf18("2","1","5","7","4","4","1") = "6"
    & skf18("2","1","5","7","4","5","1") = "6"
    & skf18("2","1","5","7","4","6","1") = "6"
    & skf18("2","1","5","7","4","7","1") = "6"
    & skf18("2","1","5","7","4","8","1") = "7"
    & skf18("2","1","5","7","4","9","1") = "8"
    & skf18("2","1","5","7","4","10","1") = "9"
    & skf18("2","1","5","7","5","1","1") = "6"
    & skf18("2","1","5","7","5","2","1") = "6"
    & skf18("2","1","5","7","5","3","1") = "6"
    & skf18("2","1","5","7","5","4","1") = "6"
    & skf18("2","1","5","7","5","5","1") = "6"
    & skf18("2","1","5","7","5","6","1") = "6"
    & skf18("2","1","5","7","5","7","1") = "6"
    & skf18("2","1","5","7","5","8","1") = "7"
    & skf18("2","1","5","7","5","9","1") = "8"
    & skf18("2","1","5","7","5","10","1") = "9"
    & skf18("2","1","5","7","6","1","1") = "6"
    & skf18("2","1","5","7","6","2","1") = "6"
    & skf18("2","1","5","7","6","3","1") = "6"
    & skf18("2","1","5","7","6","4","1") = "6"
    & skf18("2","1","5","7","6","5","1") = "6"
    & skf18("2","1","5","7","6","6","1") = "6"
    & skf18("2","1","5","7","6","7","1") = "6"
    & skf18("2","1","5","7","6","8","1") = "7"
    & skf18("2","1","5","7","6","9","1") = "8"
    & skf18("2","1","5","7","6","10","1") = "9"
    & skf18("2","1","5","7","7","1","1") = "6"
    & skf18("2","1","5","7","7","2","1") = "6"
    & skf18("2","1","5","7","7","3","1") = "6"
    & skf18("2","1","5","7","7","4","1") = "6"
    & skf18("2","1","5","7","7","5","1") = "6"
    & skf18("2","1","5","7","7","6","1") = "6"
    & skf18("2","1","5","7","7","7","1") = "6"
    & skf18("2","1","5","7","7","8","1") = "7"
    & skf18("2","1","5","7","7","9","1") = "8"
    & skf18("2","1","5","7","7","10","1") = "9"
    & skf18("2","1","5","7","8","1","1") = "7"
    & skf18("2","1","5","7","8","2","1") = "7"
    & skf18("2","1","5","7","8","3","1") = "7"
    & skf18("2","1","5","7","8","4","1") = "7"
    & skf18("2","1","5","7","8","5","1") = "7"
    & skf18("2","1","5","7","8","6","1") = "7"
    & skf18("2","1","5","7","8","7","1") = "7"
    & skf18("2","1","5","7","8","8","1") = "7"
    & skf18("2","1","5","7","8","9","1") = "8"
    & skf18("2","1","5","7","8","10","1") = "9"
    & skf18("2","1","5","7","9","1","1") = "8"
    & skf18("2","1","5","7","9","2","1") = "8"
    & skf18("2","1","5","7","9","3","1") = "8"
    & skf18("2","1","5","7","9","4","1") = "8"
    & skf18("2","1","5","7","9","5","1") = "8"
    & skf18("2","1","5","7","9","6","1") = "8"
    & skf18("2","1","5","7","9","7","1") = "8"
    & skf18("2","1","5","7","9","8","1") = "8"
    & skf18("2","1","5","7","9","9","1") = "8"
    & skf18("2","1","5","7","9","10","1") = "9"
    & skf18("2","1","5","7","10","1","1") = "9"
    & skf18("2","1","5","7","10","2","1") = "9"
    & skf18("2","1","5","7","10","3","1") = "9"
    & skf18("2","1","5","7","10","4","1") = "9"
    & skf18("2","1","5","7","10","5","1") = "9"
    & skf18("2","1","5","7","10","6","1") = "9"
    & skf18("2","1","5","7","10","7","1") = "9"
    & skf18("2","1","5","7","10","8","1") = "9"
    & skf18("2","1","5","7","10","9","1") = "9"
    & skf18("2","1","5","7","10","10","1") = "9"
    & skf18("2","1","5","8","1","1","1") = "7"
    & skf18("2","1","5","8","1","2","1") = "7"
    & skf18("2","1","5","8","1","3","1") = "7"
    & skf18("2","1","5","8","1","4","1") = "7"
    & skf18("2","1","5","8","1","5","1") = "7"
    & skf18("2","1","5","8","1","6","1") = "7"
    & skf18("2","1","5","8","1","7","1") = "7"
    & skf18("2","1","5","8","1","8","1") = "7"
    & skf18("2","1","5","8","1","9","1") = "8"
    & skf18("2","1","5","8","1","10","1") = "9"
    & skf18("2","1","5","8","2","1","1") = "7"
    & skf18("2","1","5","8","2","2","1") = "7"
    & skf18("2","1","5","8","2","3","1") = "7"
    & skf18("2","1","5","8","2","4","1") = "7"
    & skf18("2","1","5","8","2","5","1") = "7"
    & skf18("2","1","5","8","2","6","1") = "7"
    & skf18("2","1","5","8","2","7","1") = "7"
    & skf18("2","1","5","8","2","8","1") = "7"
    & skf18("2","1","5","8","2","9","1") = "8"
    & skf18("2","1","5","8","2","10","1") = "9"
    & skf18("2","1","5","8","3","1","1") = "7"
    & skf18("2","1","5","8","3","2","1") = "7"
    & skf18("2","1","5","8","3","3","1") = "7"
    & skf18("2","1","5","8","3","4","1") = "7"
    & skf18("2","1","5","8","3","5","1") = "7"
    & skf18("2","1","5","8","3","6","1") = "7"
    & skf18("2","1","5","8","3","7","1") = "7"
    & skf18("2","1","5","8","3","8","1") = "7"
    & skf18("2","1","5","8","3","9","1") = "8"
    & skf18("2","1","5","8","3","10","1") = "9"
    & skf18("2","1","5","8","4","1","1") = "7"
    & skf18("2","1","5","8","4","2","1") = "7"
    & skf18("2","1","5","8","4","3","1") = "7"
    & skf18("2","1","5","8","4","4","1") = "7"
    & skf18("2","1","5","8","4","5","1") = "7"
    & skf18("2","1","5","8","4","6","1") = "7"
    & skf18("2","1","5","8","4","7","1") = "7"
    & skf18("2","1","5","8","4","8","1") = "7"
    & skf18("2","1","5","8","4","9","1") = "8"
    & skf18("2","1","5","8","4","10","1") = "9"
    & skf18("2","1","5","8","5","1","1") = "7"
    & skf18("2","1","5","8","5","2","1") = "7"
    & skf18("2","1","5","8","5","3","1") = "7"
    & skf18("2","1","5","8","5","4","1") = "7"
    & skf18("2","1","5","8","5","5","1") = "7"
    & skf18("2","1","5","8","5","6","1") = "7"
    & skf18("2","1","5","8","5","7","1") = "7"
    & skf18("2","1","5","8","5","8","1") = "7"
    & skf18("2","1","5","8","5","9","1") = "8"
    & skf18("2","1","5","8","5","10","1") = "9"
    & skf18("2","1","5","8","6","1","1") = "7"
    & skf18("2","1","5","8","6","2","1") = "7"
    & skf18("2","1","5","8","6","3","1") = "7"
    & skf18("2","1","5","8","6","4","1") = "7"
    & skf18("2","1","5","8","6","5","1") = "7"
    & skf18("2","1","5","8","6","6","1") = "7"
    & skf18("2","1","5","8","6","7","1") = "7"
    & skf18("2","1","5","8","6","8","1") = "7"
    & skf18("2","1","5","8","6","9","1") = "8"
    & skf18("2","1","5","8","6","10","1") = "9"
    & skf18("2","1","5","8","7","1","1") = "7"
    & skf18("2","1","5","8","7","2","1") = "7"
    & skf18("2","1","5","8","7","3","1") = "7"
    & skf18("2","1","5","8","7","4","1") = "7"
    & skf18("2","1","5","8","7","5","1") = "7"
    & skf18("2","1","5","8","7","6","1") = "7"
    & skf18("2","1","5","8","7","7","1") = "7"
    & skf18("2","1","5","8","7","8","1") = "7"
    & skf18("2","1","5","8","7","9","1") = "8"
    & skf18("2","1","5","8","7","10","1") = "9"
    & skf18("2","1","5","8","8","1","1") = "7"
    & skf18("2","1","5","8","8","2","1") = "7"
    & skf18("2","1","5","8","8","3","1") = "7"
    & skf18("2","1","5","8","8","4","1") = "7"
    & skf18("2","1","5","8","8","5","1") = "7"
    & skf18("2","1","5","8","8","6","1") = "7"
    & skf18("2","1","5","8","8","7","1") = "7"
    & skf18("2","1","5","8","8","8","1") = "7"
    & skf18("2","1","5","8","8","9","1") = "8"
    & skf18("2","1","5","8","8","10","1") = "9"
    & skf18("2","1","5","8","9","1","1") = "8"
    & skf18("2","1","5","8","9","2","1") = "8"
    & skf18("2","1","5","8","9","3","1") = "8"
    & skf18("2","1","5","8","9","4","1") = "8"
    & skf18("2","1","5","8","9","5","1") = "8"
    & skf18("2","1","5","8","9","6","1") = "8"
    & skf18("2","1","5","8","9","7","1") = "8"
    & skf18("2","1","5","8","9","8","1") = "8"
    & skf18("2","1","5","8","9","9","1") = "8"
    & skf18("2","1","5","8","9","10","1") = "9"
    & skf18("2","1","5","8","10","1","1") = "9"
    & skf18("2","1","5","8","10","2","1") = "9"
    & skf18("2","1","5","8","10","3","1") = "9"
    & skf18("2","1","5","8","10","4","1") = "9"
    & skf18("2","1","5","8","10","5","1") = "9"
    & skf18("2","1","5","8","10","6","1") = "9"
    & skf18("2","1","5","8","10","7","1") = "9"
    & skf18("2","1","5","8","10","8","1") = "9"
    & skf18("2","1","5","8","10","9","1") = "9"
    & skf18("2","1","5","8","10","10","1") = "9"
    & skf18("2","1","5","9","1","1","1") = "8"
    & skf18("2","1","5","9","1","2","1") = "8"
    & skf18("2","1","5","9","1","3","1") = "8"
    & skf18("2","1","5","9","1","4","1") = "8"
    & skf18("2","1","5","9","1","5","1") = "8"
    & skf18("2","1","5","9","1","6","1") = "8"
    & skf18("2","1","5","9","1","7","1") = "8"
    & skf18("2","1","5","9","1","8","1") = "8"
    & skf18("2","1","5","9","1","9","1") = "8"
    & skf18("2","1","5","9","1","10","1") = "9"
    & skf18("2","1","5","9","2","1","1") = "8"
    & skf18("2","1","5","9","2","2","1") = "8"
    & skf18("2","1","5","9","2","3","1") = "8"
    & skf18("2","1","5","9","2","4","1") = "8"
    & skf18("2","1","5","9","2","5","1") = "8"
    & skf18("2","1","5","9","2","6","1") = "8"
    & skf18("2","1","5","9","2","7","1") = "8"
    & skf18("2","1","5","9","2","8","1") = "8"
    & skf18("2","1","5","9","2","9","1") = "8"
    & skf18("2","1","5","9","2","10","1") = "9"
    & skf18("2","1","5","9","3","1","1") = "8"
    & skf18("2","1","5","9","3","2","1") = "8"
    & skf18("2","1","5","9","3","3","1") = "8"
    & skf18("2","1","5","9","3","4","1") = "8"
    & skf18("2","1","5","9","3","5","1") = "8"
    & skf18("2","1","5","9","3","6","1") = "8"
    & skf18("2","1","5","9","3","7","1") = "8"
    & skf18("2","1","5","9","3","8","1") = "8"
    & skf18("2","1","5","9","3","9","1") = "8"
    & skf18("2","1","5","9","3","10","1") = "9"
    & skf18("2","1","5","9","4","1","1") = "8"
    & skf18("2","1","5","9","4","2","1") = "8"
    & skf18("2","1","5","9","4","3","1") = "8"
    & skf18("2","1","5","9","4","4","1") = "8"
    & skf18("2","1","5","9","4","5","1") = "8"
    & skf18("2","1","5","9","4","6","1") = "8"
    & skf18("2","1","5","9","4","7","1") = "8"
    & skf18("2","1","5","9","4","8","1") = "8"
    & skf18("2","1","5","9","4","9","1") = "8"
    & skf18("2","1","5","9","4","10","1") = "9"
    & skf18("2","1","5","9","5","1","1") = "8"
    & skf18("2","1","5","9","5","2","1") = "8"
    & skf18("2","1","5","9","5","3","1") = "8"
    & skf18("2","1","5","9","5","4","1") = "8"
    & skf18("2","1","5","9","5","5","1") = "8"
    & skf18("2","1","5","9","5","6","1") = "8"
    & skf18("2","1","5","9","5","7","1") = "8"
    & skf18("2","1","5","9","5","8","1") = "8"
    & skf18("2","1","5","9","5","9","1") = "8"
    & skf18("2","1","5","9","5","10","1") = "9"
    & skf18("2","1","5","9","6","1","1") = "8"
    & skf18("2","1","5","9","6","2","1") = "8"
    & skf18("2","1","5","9","6","3","1") = "8"
    & skf18("2","1","5","9","6","4","1") = "8"
    & skf18("2","1","5","9","6","5","1") = "8"
    & skf18("2","1","5","9","6","6","1") = "8"
    & skf18("2","1","5","9","6","7","1") = "8"
    & skf18("2","1","5","9","6","8","1") = "8"
    & skf18("2","1","5","9","6","9","1") = "8"
    & skf18("2","1","5","9","6","10","1") = "9"
    & skf18("2","1","5","9","7","1","1") = "8"
    & skf18("2","1","5","9","7","2","1") = "8"
    & skf18("2","1","5","9","7","3","1") = "8"
    & skf18("2","1","5","9","7","4","1") = "8"
    & skf18("2","1","5","9","7","5","1") = "8"
    & skf18("2","1","5","9","7","6","1") = "8"
    & skf18("2","1","5","9","7","7","1") = "8"
    & skf18("2","1","5","9","7","8","1") = "8"
    & skf18("2","1","5","9","7","9","1") = "8"
    & skf18("2","1","5","9","7","10","1") = "9"
    & skf18("2","1","5","9","8","1","1") = "8"
    & skf18("2","1","5","9","8","2","1") = "8"
    & skf18("2","1","5","9","8","3","1") = "8"
    & skf18("2","1","5","9","8","4","1") = "8"
    & skf18("2","1","5","9","8","5","1") = "8"
    & skf18("2","1","5","9","8","6","1") = "8"
    & skf18("2","1","5","9","8","7","1") = "8"
    & skf18("2","1","5","9","8","8","1") = "8"
    & skf18("2","1","5","9","8","9","1") = "8"
    & skf18("2","1","5","9","8","10","1") = "9"
    & skf18("2","1","5","9","9","1","1") = "8"
    & skf18("2","1","5","9","9","2","1") = "8"
    & skf18("2","1","5","9","9","3","1") = "8"
    & skf18("2","1","5","9","9","4","1") = "8"
    & skf18("2","1","5","9","9","5","1") = "8"
    & skf18("2","1","5","9","9","6","1") = "8"
    & skf18("2","1","5","9","9","7","1") = "8"
    & skf18("2","1","5","9","9","8","1") = "8"
    & skf18("2","1","5","9","9","9","1") = "8"
    & skf18("2","1","5","9","9","10","1") = "9"
    & skf18("2","1","5","9","10","1","1") = "9"
    & skf18("2","1","5","9","10","2","1") = "9"
    & skf18("2","1","5","9","10","3","1") = "9"
    & skf18("2","1","5","9","10","4","1") = "9"
    & skf18("2","1","5","9","10","5","1") = "9"
    & skf18("2","1","5","9","10","6","1") = "9"
    & skf18("2","1","5","9","10","7","1") = "9"
    & skf18("2","1","5","9","10","8","1") = "9"
    & skf18("2","1","5","9","10","9","1") = "9"
    & skf18("2","1","5","9","10","10","1") = "9"
    & skf18("2","1","5","10","1","1","1") = "9"
    & skf18("2","1","5","10","1","2","1") = "9"
    & skf18("2","1","5","10","1","3","1") = "9"
    & skf18("2","1","5","10","1","4","1") = "9"
    & skf18("2","1","5","10","1","5","1") = "9"
    & skf18("2","1","5","10","1","6","1") = "9"
    & skf18("2","1","5","10","1","7","1") = "9"
    & skf18("2","1","5","10","1","8","1") = "9"
    & skf18("2","1","5","10","1","9","1") = "9"
    & skf18("2","1","5","10","1","10","1") = "9"
    & skf18("2","1","5","10","2","1","1") = "9"
    & skf18("2","1","5","10","2","2","1") = "9"
    & skf18("2","1","5","10","2","3","1") = "9"
    & skf18("2","1","5","10","2","4","1") = "9"
    & skf18("2","1","5","10","2","5","1") = "9"
    & skf18("2","1","5","10","2","6","1") = "9"
    & skf18("2","1","5","10","2","7","1") = "9"
    & skf18("2","1","5","10","2","8","1") = "9"
    & skf18("2","1","5","10","2","9","1") = "9"
    & skf18("2","1","5","10","2","10","1") = "9"
    & skf18("2","1","5","10","3","1","1") = "9"
    & skf18("2","1","5","10","3","2","1") = "9"
    & skf18("2","1","5","10","3","3","1") = "9"
    & skf18("2","1","5","10","3","4","1") = "9"
    & skf18("2","1","5","10","3","5","1") = "9"
    & skf18("2","1","5","10","3","6","1") = "9"
    & skf18("2","1","5","10","3","7","1") = "9"
    & skf18("2","1","5","10","3","8","1") = "9"
    & skf18("2","1","5","10","3","9","1") = "9"
    & skf18("2","1","5","10","3","10","1") = "9"
    & skf18("2","1","5","10","4","1","1") = "9"
    & skf18("2","1","5","10","4","2","1") = "9"
    & skf18("2","1","5","10","4","3","1") = "9"
    & skf18("2","1","5","10","4","4","1") = "9"
    & skf18("2","1","5","10","4","5","1") = "9"
    & skf18("2","1","5","10","4","6","1") = "9"
    & skf18("2","1","5","10","4","7","1") = "9"
    & skf18("2","1","5","10","4","8","1") = "9"
    & skf18("2","1","5","10","4","9","1") = "9"
    & skf18("2","1","5","10","4","10","1") = "9"
    & skf18("2","1","5","10","5","1","1") = "9"
    & skf18("2","1","5","10","5","2","1") = "9"
    & skf18("2","1","5","10","5","3","1") = "9"
    & skf18("2","1","5","10","5","4","1") = "9"
    & skf18("2","1","5","10","5","5","1") = "9"
    & skf18("2","1","5","10","5","6","1") = "9"
    & skf18("2","1","5","10","5","7","1") = "9"
    & skf18("2","1","5","10","5","8","1") = "9"
    & skf18("2","1","5","10","5","9","1") = "9"
    & skf18("2","1","5","10","5","10","1") = "9"
    & skf18("2","1","5","10","6","1","1") = "9"
    & skf18("2","1","5","10","6","2","1") = "9"
    & skf18("2","1","5","10","6","3","1") = "9"
    & skf18("2","1","5","10","6","4","1") = "9"
    & skf18("2","1","5","10","6","5","1") = "9"
    & skf18("2","1","5","10","6","6","1") = "9"
    & skf18("2","1","5","10","6","7","1") = "9"
    & skf18("2","1","5","10","6","8","1") = "9"
    & skf18("2","1","5","10","6","9","1") = "9"
    & skf18("2","1","5","10","6","10","1") = "9"
    & skf18("2","1","5","10","7","1","1") = "9"
    & skf18("2","1","5","10","7","2","1") = "9"
    & skf18("2","1","5","10","7","3","1") = "9"
    & skf18("2","1","5","10","7","4","1") = "9"
    & skf18("2","1","5","10","7","5","1") = "9"
    & skf18("2","1","5","10","7","6","1") = "9"
    & skf18("2","1","5","10","7","7","1") = "9"
    & skf18("2","1","5","10","7","8","1") = "9"
    & skf18("2","1","5","10","7","9","1") = "9"
    & skf18("2","1","5","10","7","10","1") = "9"
    & skf18("2","1","5","10","8","1","1") = "9"
    & skf18("2","1","5","10","8","2","1") = "9"
    & skf18("2","1","5","10","8","3","1") = "9"
    & skf18("2","1","5","10","8","4","1") = "9"
    & skf18("2","1","5","10","8","5","1") = "9"
    & skf18("2","1","5","10","8","6","1") = "9"
    & skf18("2","1","5","10","8","7","1") = "9"
    & skf18("2","1","5","10","8","8","1") = "9"
    & skf18("2","1","5","10","8","9","1") = "9"
    & skf18("2","1","5","10","8","10","1") = "9"
    & skf18("2","1","5","10","9","1","1") = "9"
    & skf18("2","1","5","10","9","2","1") = "9"
    & skf18("2","1","5","10","9","3","1") = "9"
    & skf18("2","1","5","10","9","4","1") = "9"
    & skf18("2","1","5","10","9","5","1") = "9"
    & skf18("2","1","5","10","9","6","1") = "9"
    & skf18("2","1","5","10","9","7","1") = "9"
    & skf18("2","1","5","10","9","8","1") = "9"
    & skf18("2","1","5","10","9","9","1") = "9"
    & skf18("2","1","5","10","9","10","1") = "9"
    & skf18("2","1","5","10","10","1","1") = "9"
    & skf18("2","1","5","10","10","2","1") = "9"
    & skf18("2","1","5","10","10","3","1") = "9"
    & skf18("2","1","5","10","10","4","1") = "9"
    & skf18("2","1","5","10","10","5","1") = "9"
    & skf18("2","1","5","10","10","6","1") = "9"
    & skf18("2","1","5","10","10","7","1") = "9"
    & skf18("2","1","5","10","10","8","1") = "9"
    & skf18("2","1","5","10","10","9","1") = "9"
    & skf18("2","1","5","10","10","10","1") = "9"
    & skf18("2","1","6","1","1","1","1") = "5"
    & skf18("2","1","6","1","1","2","1") = "5"
    & skf18("2","1","6","1","1","3","1") = "5"
    & skf18("2","1","6","1","1","4","1") = "5"
    & skf18("2","1","6","1","1","5","1") = "5"
    & skf18("2","1","6","1","1","6","1") = "5"
    & skf18("2","1","6","1","1","7","1") = "6"
    & skf18("2","1","6","1","1","8","1") = "7"
    & skf18("2","1","6","1","1","9","1") = "8"
    & skf18("2","1","6","1","1","10","1") = "9"
    & skf18("2","1","6","1","2","1","1") = "5"
    & skf18("2","1","6","1","2","2","1") = "5"
    & skf18("2","1","6","1","2","3","1") = "5"
    & skf18("2","1","6","1","2","4","1") = "5"
    & skf18("2","1","6","1","2","5","1") = "5"
    & skf18("2","1","6","1","2","6","1") = "5"
    & skf18("2","1","6","1","2","7","1") = "6"
    & skf18("2","1","6","1","2","8","1") = "7"
    & skf18("2","1","6","1","2","9","1") = "8"
    & skf18("2","1","6","1","2","10","1") = "9"
    & skf18("2","1","6","1","3","1","1") = "5"
    & skf18("2","1","6","1","3","2","1") = "5"
    & skf18("2","1","6","1","3","3","1") = "5"
    & skf18("2","1","6","1","3","4","1") = "5"
    & skf18("2","1","6","1","3","5","1") = "5"
    & skf18("2","1","6","1","3","6","1") = "5"
    & skf18("2","1","6","1","3","7","1") = "6"
    & skf18("2","1","6","1","3","8","1") = "7"
    & skf18("2","1","6","1","3","9","1") = "8"
    & skf18("2","1","6","1","3","10","1") = "9"
    & skf18("2","1","6","1","4","1","1") = "4"
    & skf18("2","1","6","1","4","2","1") = "4"
    & skf18("2","1","6","1","4","3","1") = "4"
    & skf18("2","1","6","1","4","4","1") = "5"
    & skf18("2","1","6","1","4","5","1") = "4"
    & skf18("2","1","6","1","4","6","1") = "5"
    & skf18("2","1","6","1","4","7","1") = "6"
    & skf18("2","1","6","1","4","8","1") = "7"
    & skf18("2","1","6","1","4","9","1") = "8"
    & skf18("2","1","6","1","4","10","1") = "9"
    & skf18("2","1","6","1","5","1","1") = "5"
    & skf18("2","1","6","1","5","2","1") = "4"
    & skf18("2","1","6","1","5","3","1") = "4"
    & skf18("2","1","6","1","5","4","1") = "5"
    & skf18("2","1","6","1","5","5","1") = "5"
    & skf18("2","1","6","1","5","6","1") = "5"
    & skf18("2","1","6","1","5","7","1") = "6"
    & skf18("2","1","6","1","5","8","1") = "7"
    & skf18("2","1","6","1","5","9","1") = "8"
    & skf18("2","1","6","1","5","10","1") = "9"
    & skf18("2","1","6","1","6","1","1") = "5"
    & skf18("2","1","6","1","6","2","1") = "5"
    & skf18("2","1","6","1","6","3","1") = "5"
    & skf18("2","1","6","1","6","4","1") = "5"
    & skf18("2","1","6","1","6","5","1") = "5"
    & skf18("2","1","6","1","6","6","1") = "5"
    & skf18("2","1","6","1","6","7","1") = "6"
    & skf18("2","1","6","1","6","8","1") = "7"
    & skf18("2","1","6","1","6","9","1") = "8"
    & skf18("2","1","6","1","6","10","1") = "9"
    & skf18("2","1","6","1","7","1","1") = "6"
    & skf18("2","1","6","1","7","2","1") = "6"
    & skf18("2","1","6","1","7","3","1") = "6"
    & skf18("2","1","6","1","7","4","1") = "6"
    & skf18("2","1","6","1","7","5","1") = "6"
    & skf18("2","1","6","1","7","6","1") = "6"
    & skf18("2","1","6","1","7","7","1") = "6"
    & skf18("2","1","6","1","7","8","1") = "7"
    & skf18("2","1","6","1","7","9","1") = "8"
    & skf18("2","1","6","1","7","10","1") = "9"
    & skf18("2","1","6","1","8","1","1") = "7"
    & skf18("2","1","6","1","8","2","1") = "7"
    & skf18("2","1","6","1","8","3","1") = "7"
    & skf18("2","1","6","1","8","4","1") = "7"
    & skf18("2","1","6","1","8","5","1") = "7"
    & skf18("2","1","6","1","8","6","1") = "7"
    & skf18("2","1","6","1","8","7","1") = "7"
    & skf18("2","1","6","1","8","8","1") = "7"
    & skf18("2","1","6","1","8","9","1") = "8"
    & skf18("2","1","6","1","8","10","1") = "9"
    & skf18("2","1","6","1","9","1","1") = "8"
    & skf18("2","1","6","1","9","2","1") = "8"
    & skf18("2","1","6","1","9","3","1") = "8"
    & skf18("2","1","6","1","9","4","1") = "8"
    & skf18("2","1","6","1","9","5","1") = "8"
    & skf18("2","1","6","1","9","6","1") = "8"
    & skf18("2","1","6","1","9","7","1") = "8"
    & skf18("2","1","6","1","9","8","1") = "8"
    & skf18("2","1","6","1","9","9","1") = "8"
    & skf18("2","1","6","1","9","10","1") = "9"
    & skf18("2","1","6","1","10","1","1") = "9"
    & skf18("2","1","6","1","10","2","1") = "9"
    & skf18("2","1","6","1","10","3","1") = "9"
    & skf18("2","1","6","1","10","4","1") = "9"
    & skf18("2","1","6","1","10","5","1") = "9"
    & skf18("2","1","6","1","10","6","1") = "9"
    & skf18("2","1","6","1","10","7","1") = "9"
    & skf18("2","1","6","1","10","8","1") = "9"
    & skf18("2","1","6","1","10","9","1") = "9"
    & skf18("2","1","6","1","10","10","1") = "9"
    & skf18("2","1","6","2","1","1","1") = "5"
    & skf18("2","1","6","2","1","2","1") = "5"
    & skf18("2","1","6","2","1","3","1") = "5"
    & skf18("2","1","6","2","1","4","1") = "5"
    & skf18("2","1","6","2","1","5","1") = "5"
    & skf18("2","1","6","2","1","6","1") = "5"
    & skf18("2","1","6","2","1","7","1") = "6"
    & skf18("2","1","6","2","1","8","1") = "7"
    & skf18("2","1","6","2","1","9","1") = "8"
    & skf18("2","1","6","2","1","10","1") = "9"
    & skf18("2","1","6","2","2","1","1") = "5"
    & skf18("2","1","6","2","2","2","1") = "5"
    & skf18("2","1","6","2","2","3","1") = "5"
    & skf18("2","1","6","2","2","4","1") = "5"
    & skf18("2","1","6","2","2","5","1") = "5"
    & skf18("2","1","6","2","2","6","1") = "5"
    & skf18("2","1","6","2","2","7","1") = "6"
    & skf18("2","1","6","2","2","8","1") = "7"
    & skf18("2","1","6","2","2","9","1") = "8"
    & skf18("2","1","6","2","2","10","1") = "9"
    & skf18("2","1","6","2","3","1","1") = "5"
    & skf18("2","1","6","2","3","2","1") = "5"
    & skf18("2","1","6","2","3","3","1") = "5"
    & skf18("2","1","6","2","3","4","1") = "5"
    & skf18("2","1","6","2","3","5","1") = "5"
    & skf18("2","1","6","2","3","6","1") = "5"
    & skf18("2","1","6","2","3","7","1") = "6"
    & skf18("2","1","6","2","3","8","1") = "7"
    & skf18("2","1","6","2","3","9","1") = "8"
    & skf18("2","1","6","2","3","10","1") = "9"
    & skf18("2","1","6","2","4","1","1") = "5"
    & skf18("2","1","6","2","4","2","1") = "5"
    & skf18("2","1","6","2","4","3","1") = "5"
    & skf18("2","1","6","2","4","4","1") = "5"
    & skf18("2","1","6","2","4","5","1") = "5"
    & skf18("2","1","6","2","4","6","1") = "5"
    & skf18("2","1","6","2","4","7","1") = "6"
    & skf18("2","1","6","2","4","8","1") = "7"
    & skf18("2","1","6","2","4","9","1") = "8"
    & skf18("2","1","6","2","4","10","1") = "9"
    & skf18("2","1","6","2","5","1","1") = "5"
    & skf18("2","1","6","2","5","2","1") = "5"
    & skf18("2","1","6","2","5","3","1") = "5"
    & skf18("2","1","6","2","5","4","1") = "5"
    & skf18("2","1","6","2","5","5","1") = "5"
    & skf18("2","1","6","2","5","6","1") = "5"
    & skf18("2","1","6","2","5","7","1") = "6"
    & skf18("2","1","6","2","5","8","1") = "7"
    & skf18("2","1","6","2","5","9","1") = "8"
    & skf18("2","1","6","2","5","10","1") = "9"
    & skf18("2","1","6","2","6","1","1") = "5"
    & skf18("2","1","6","2","6","2","1") = "5"
    & skf18("2","1","6","2","6","3","1") = "5"
    & skf18("2","1","6","2","6","4","1") = "5"
    & skf18("2","1","6","2","6","5","1") = "5"
    & skf18("2","1","6","2","6","6","1") = "5"
    & skf18("2","1","6","2","6","7","1") = "6"
    & skf18("2","1","6","2","6","8","1") = "7"
    & skf18("2","1","6","2","6","9","1") = "8"
    & skf18("2","1","6","2","6","10","1") = "9"
    & skf18("2","1","6","2","7","1","1") = "6"
    & skf18("2","1","6","2","7","2","1") = "6"
    & skf18("2","1","6","2","7","3","1") = "6"
    & skf18("2","1","6","2","7","4","1") = "6"
    & skf18("2","1","6","2","7","5","1") = "6"
    & skf18("2","1","6","2","7","6","1") = "6"
    & skf18("2","1","6","2","7","7","1") = "6"
    & skf18("2","1","6","2","7","8","1") = "7"
    & skf18("2","1","6","2","7","9","1") = "8"
    & skf18("2","1","6","2","7","10","1") = "9"
    & skf18("2","1","6","2","8","1","1") = "7"
    & skf18("2","1","6","2","8","2","1") = "7"
    & skf18("2","1","6","2","8","3","1") = "7"
    & skf18("2","1","6","2","8","4","1") = "7"
    & skf18("2","1","6","2","8","5","1") = "7"
    & skf18("2","1","6","2","8","6","1") = "7"
    & skf18("2","1","6","2","8","7","1") = "7"
    & skf18("2","1","6","2","8","8","1") = "7"
    & skf18("2","1","6","2","8","9","1") = "8"
    & skf18("2","1","6","2","8","10","1") = "9"
    & skf18("2","1","6","2","9","1","1") = "8"
    & skf18("2","1","6","2","9","2","1") = "8"
    & skf18("2","1","6","2","9","3","1") = "8"
    & skf18("2","1","6","2","9","4","1") = "8"
    & skf18("2","1","6","2","9","5","1") = "8"
    & skf18("2","1","6","2","9","6","1") = "8"
    & skf18("2","1","6","2","9","7","1") = "8"
    & skf18("2","1","6","2","9","8","1") = "8"
    & skf18("2","1","6","2","9","9","1") = "8"
    & skf18("2","1","6","2","9","10","1") = "9"
    & skf18("2","1","6","2","10","1","1") = "9"
    & skf18("2","1","6","2","10","2","1") = "9"
    & skf18("2","1","6","2","10","3","1") = "9"
    & skf18("2","1","6","2","10","4","1") = "9"
    & skf18("2","1","6","2","10","5","1") = "9"
    & skf18("2","1","6","2","10","6","1") = "9"
    & skf18("2","1","6","2","10","7","1") = "9"
    & skf18("2","1","6","2","10","8","1") = "9"
    & skf18("2","1","6","2","10","9","1") = "9"
    & skf18("2","1","6","2","10","10","1") = "9"
    & skf18("2","1","6","3","1","1","1") = "5"
    & skf18("2","1","6","3","1","2","1") = "5"
    & skf18("2","1","6","3","1","3","1") = "5"
    & skf18("2","1","6","3","1","4","1") = "5"
    & skf18("2","1","6","3","1","5","1") = "5"
    & skf18("2","1","6","3","1","6","1") = "5"
    & skf18("2","1","6","3","1","7","1") = "6"
    & skf18("2","1","6","3","1","8","1") = "7"
    & skf18("2","1","6","3","1","9","1") = "8"
    & skf18("2","1","6","3","1","10","1") = "9"
    & skf18("2","1","6","3","2","1","1") = "5"
    & skf18("2","1","6","3","2","2","1") = "5"
    & skf18("2","1","6","3","2","3","1") = "5"
    & skf18("2","1","6","3","2","4","1") = "5"
    & skf18("2","1","6","3","2","5","1") = "5"
    & skf18("2","1","6","3","2","6","1") = "5"
    & skf18("2","1","6","3","2","7","1") = "6"
    & skf18("2","1","6","3","2","8","1") = "7"
    & skf18("2","1","6","3","2","9","1") = "8"
    & skf18("2","1","6","3","2","10","1") = "9"
    & skf18("2","1","6","3","3","1","1") = "5"
    & skf18("2","1","6","3","3","2","1") = "5"
    & skf18("2","1","6","3","3","3","1") = "5"
    & skf18("2","1","6","3","3","4","1") = "5"
    & skf18("2","1","6","3","3","5","1") = "5"
    & skf18("2","1","6","3","3","6","1") = "5"
    & skf18("2","1","6","3","3","7","1") = "6"
    & skf18("2","1","6","3","3","8","1") = "7"
    & skf18("2","1","6","3","3","9","1") = "8"
    & skf18("2","1","6","3","3","10","1") = "9"
    & skf18("2","1","6","3","4","1","1") = "5"
    & skf18("2","1","6","3","4","2","1") = "5"
    & skf18("2","1","6","3","4","3","1") = "5"
    & skf18("2","1","6","3","4","4","1") = "5"
    & skf18("2","1","6","3","4","5","1") = "5"
    & skf18("2","1","6","3","4","6","1") = "5"
    & skf18("2","1","6","3","4","7","1") = "6"
    & skf18("2","1","6","3","4","8","1") = "7"
    & skf18("2","1","6","3","4","9","1") = "8"
    & skf18("2","1","6","3","4","10","1") = "9"
    & skf18("2","1","6","3","5","1","1") = "5"
    & skf18("2","1","6","3","5","2","1") = "5"
    & skf18("2","1","6","3","5","3","1") = "5"
    & skf18("2","1","6","3","5","4","1") = "5"
    & skf18("2","1","6","3","5","5","1") = "5"
    & skf18("2","1","6","3","5","6","1") = "5"
    & skf18("2","1","6","3","5","7","1") = "6"
    & skf18("2","1","6","3","5","8","1") = "7"
    & skf18("2","1","6","3","5","9","1") = "8"
    & skf18("2","1","6","3","5","10","1") = "9"
    & skf18("2","1","6","3","6","1","1") = "5"
    & skf18("2","1","6","3","6","2","1") = "5"
    & skf18("2","1","6","3","6","3","1") = "5"
    & skf18("2","1","6","3","6","4","1") = "5"
    & skf18("2","1","6","3","6","5","1") = "5"
    & skf18("2","1","6","3","6","6","1") = "5"
    & skf18("2","1","6","3","6","7","1") = "6"
    & skf18("2","1","6","3","6","8","1") = "7"
    & skf18("2","1","6","3","6","9","1") = "8"
    & skf18("2","1","6","3","6","10","1") = "9"
    & skf18("2","1","6","3","7","1","1") = "6"
    & skf18("2","1","6","3","7","2","1") = "6"
    & skf18("2","1","6","3","7","3","1") = "6"
    & skf18("2","1","6","3","7","4","1") = "6"
    & skf18("2","1","6","3","7","5","1") = "6"
    & skf18("2","1","6","3","7","6","1") = "6"
    & skf18("2","1","6","3","7","7","1") = "6"
    & skf18("2","1","6","3","7","8","1") = "7"
    & skf18("2","1","6","3","7","9","1") = "8"
    & skf18("2","1","6","3","7","10","1") = "9"
    & skf18("2","1","6","3","8","1","1") = "7"
    & skf18("2","1","6","3","8","2","1") = "7"
    & skf18("2","1","6","3","8","3","1") = "7"
    & skf18("2","1","6","3","8","4","1") = "7"
    & skf18("2","1","6","3","8","5","1") = "7"
    & skf18("2","1","6","3","8","6","1") = "7"
    & skf18("2","1","6","3","8","7","1") = "7"
    & skf18("2","1","6","3","8","8","1") = "7"
    & skf18("2","1","6","3","8","9","1") = "8"
    & skf18("2","1","6","3","8","10","1") = "9"
    & skf18("2","1","6","3","9","1","1") = "8"
    & skf18("2","1","6","3","9","2","1") = "8"
    & skf18("2","1","6","3","9","3","1") = "8"
    & skf18("2","1","6","3","9","4","1") = "8"
    & skf18("2","1","6","3","9","5","1") = "8"
    & skf18("2","1","6","3","9","6","1") = "8"
    & skf18("2","1","6","3","9","7","1") = "8"
    & skf18("2","1","6","3","9","8","1") = "8"
    & skf18("2","1","6","3","9","9","1") = "8"
    & skf18("2","1","6","3","9","10","1") = "9"
    & skf18("2","1","6","3","10","1","1") = "9"
    & skf18("2","1","6","3","10","2","1") = "9"
    & skf18("2","1","6","3","10","3","1") = "9"
    & skf18("2","1","6","3","10","4","1") = "9"
    & skf18("2","1","6","3","10","5","1") = "9"
    & skf18("2","1","6","3","10","6","1") = "9"
    & skf18("2","1","6","3","10","7","1") = "9"
    & skf18("2","1","6","3","10","8","1") = "9"
    & skf18("2","1","6","3","10","9","1") = "9"
    & skf18("2","1","6","3","10","10","1") = "9"
    & skf18("2","1","6","4","1","1","1") = "5"
    & skf18("2","1","6","4","1","2","1") = "5"
    & skf18("2","1","6","4","1","3","1") = "5"
    & skf18("2","1","6","4","1","4","1") = "5"
    & skf18("2","1","6","4","1","5","1") = "5"
    & skf18("2","1","6","4","1","6","1") = "5"
    & skf18("2","1","6","4","1","7","1") = "6"
    & skf18("2","1","6","4","1","8","1") = "7"
    & skf18("2","1","6","4","1","9","1") = "8"
    & skf18("2","1","6","4","1","10","1") = "9"
    & skf18("2","1","6","4","2","1","1") = "5"
    & skf18("2","1","6","4","2","2","1") = "5"
    & skf18("2","1","6","4","2","3","1") = "5"
    & skf18("2","1","6","4","2","4","1") = "5"
    & skf18("2","1","6","4","2","5","1") = "5"
    & skf18("2","1","6","4","2","6","1") = "5"
    & skf18("2","1","6","4","2","7","1") = "6"
    & skf18("2","1","6","4","2","8","1") = "7"
    & skf18("2","1","6","4","2","9","1") = "8"
    & skf18("2","1","6","4","2","10","1") = "9"
    & skf18("2","1","6","4","3","1","1") = "5"
    & skf18("2","1","6","4","3","2","1") = "5"
    & skf18("2","1","6","4","3","3","1") = "5"
    & skf18("2","1","6","4","3","4","1") = "5"
    & skf18("2","1","6","4","3","5","1") = "5"
    & skf18("2","1","6","4","3","6","1") = "5"
    & skf18("2","1","6","4","3","7","1") = "6"
    & skf18("2","1","6","4","3","8","1") = "7"
    & skf18("2","1","6","4","3","9","1") = "8"
    & skf18("2","1","6","4","3","10","1") = "9"
    & skf18("2","1","6","4","4","1","1") = "5"
    & skf18("2","1","6","4","4","2","1") = "5"
    & skf18("2","1","6","4","4","3","1") = "5"
    & skf18("2","1","6","4","4","4","1") = "5"
    & skf18("2","1","6","4","4","5","1") = "5"
    & skf18("2","1","6","4","4","6","1") = "5"
    & skf18("2","1","6","4","4","7","1") = "6"
    & skf18("2","1","6","4","4","8","1") = "7"
    & skf18("2","1","6","4","4","9","1") = "8"
    & skf18("2","1","6","4","4","10","1") = "9"
    & skf18("2","1","6","4","5","1","1") = "5"
    & skf18("2","1","6","4","5","2","1") = "5"
    & skf18("2","1","6","4","5","3","1") = "5"
    & skf18("2","1","6","4","5","4","1") = "5"
    & skf18("2","1","6","4","5","5","1") = "5"
    & skf18("2","1","6","4","5","6","1") = "5"
    & skf18("2","1","6","4","5","7","1") = "6"
    & skf18("2","1","6","4","5","8","1") = "7"
    & skf18("2","1","6","4","5","9","1") = "8"
    & skf18("2","1","6","4","5","10","1") = "9"
    & skf18("2","1","6","4","6","1","1") = "5"
    & skf18("2","1","6","4","6","2","1") = "5"
    & skf18("2","1","6","4","6","3","1") = "5"
    & skf18("2","1","6","4","6","4","1") = "5"
    & skf18("2","1","6","4","6","5","1") = "5"
    & skf18("2","1","6","4","6","6","1") = "5"
    & skf18("2","1","6","4","6","7","1") = "6"
    & skf18("2","1","6","4","6","8","1") = "7"
    & skf18("2","1","6","4","6","9","1") = "8"
    & skf18("2","1","6","4","6","10","1") = "9"
    & skf18("2","1","6","4","7","1","1") = "6"
    & skf18("2","1","6","4","7","2","1") = "6"
    & skf18("2","1","6","4","7","3","1") = "6"
    & skf18("2","1","6","4","7","4","1") = "6"
    & skf18("2","1","6","4","7","5","1") = "6"
    & skf18("2","1","6","4","7","6","1") = "6"
    & skf18("2","1","6","4","7","7","1") = "6"
    & skf18("2","1","6","4","7","8","1") = "7"
    & skf18("2","1","6","4","7","9","1") = "8"
    & skf18("2","1","6","4","7","10","1") = "9"
    & skf18("2","1","6","4","8","1","1") = "7"
    & skf18("2","1","6","4","8","2","1") = "7"
    & skf18("2","1","6","4","8","3","1") = "7"
    & skf18("2","1","6","4","8","4","1") = "7"
    & skf18("2","1","6","4","8","5","1") = "7"
    & skf18("2","1","6","4","8","6","1") = "7"
    & skf18("2","1","6","4","8","7","1") = "7"
    & skf18("2","1","6","4","8","8","1") = "7"
    & skf18("2","1","6","4","8","9","1") = "8"
    & skf18("2","1","6","4","8","10","1") = "9"
    & skf18("2","1","6","4","9","1","1") = "8"
    & skf18("2","1","6","4","9","2","1") = "8"
    & skf18("2","1","6","4","9","3","1") = "8"
    & skf18("2","1","6","4","9","4","1") = "8"
    & skf18("2","1","6","4","9","5","1") = "8"
    & skf18("2","1","6","4","9","6","1") = "8"
    & skf18("2","1","6","4","9","7","1") = "8"
    & skf18("2","1","6","4","9","8","1") = "8"
    & skf18("2","1","6","4","9","9","1") = "8"
    & skf18("2","1","6","4","9","10","1") = "9"
    & skf18("2","1","6","4","10","1","1") = "9"
    & skf18("2","1","6","4","10","2","1") = "9"
    & skf18("2","1","6","4","10","3","1") = "9"
    & skf18("2","1","6","4","10","4","1") = "9"
    & skf18("2","1","6","4","10","5","1") = "9"
    & skf18("2","1","6","4","10","6","1") = "9"
    & skf18("2","1","6","4","10","7","1") = "9"
    & skf18("2","1","6","4","10","8","1") = "9"
    & skf18("2","1","6","4","10","9","1") = "9"
    & skf18("2","1","6","4","10","10","1") = "9"
    & skf18("2","1","6","5","1","1","1") = "5"
    & skf18("2","1","6","5","1","2","1") = "5"
    & skf18("2","1","6","5","1","3","1") = "5"
    & skf18("2","1","6","5","1","4","1") = "5"
    & skf18("2","1","6","5","1","5","1") = "5"
    & skf18("2","1","6","5","1","6","1") = "5"
    & skf18("2","1","6","5","1","7","1") = "6"
    & skf18("2","1","6","5","1","8","1") = "7"
    & skf18("2","1","6","5","1","9","1") = "8"
    & skf18("2","1","6","5","1","10","1") = "9"
    & skf18("2","1","6","5","2","1","1") = "5"
    & skf18("2","1","6","5","2","2","1") = "5"
    & skf18("2","1","6","5","2","3","1") = "5"
    & skf18("2","1","6","5","2","4","1") = "5"
    & skf18("2","1","6","5","2","5","1") = "5"
    & skf18("2","1","6","5","2","6","1") = "5"
    & skf18("2","1","6","5","2","7","1") = "6"
    & skf18("2","1","6","5","2","8","1") = "7"
    & skf18("2","1","6","5","2","9","1") = "8"
    & skf18("2","1","6","5","2","10","1") = "9"
    & skf18("2","1","6","5","3","1","1") = "5"
    & skf18("2","1","6","5","3","2","1") = "5"
    & skf18("2","1","6","5","3","3","1") = "5"
    & skf18("2","1","6","5","3","4","1") = "5"
    & skf18("2","1","6","5","3","5","1") = "5"
    & skf18("2","1","6","5","3","6","1") = "5"
    & skf18("2","1","6","5","3","7","1") = "6"
    & skf18("2","1","6","5","3","8","1") = "7"
    & skf18("2","1","6","5","3","9","1") = "8"
    & skf18("2","1","6","5","3","10","1") = "9"
    & skf18("2","1","6","5","4","1","1") = "5"
    & skf18("2","1","6","5","4","2","1") = "5"
    & skf18("2","1","6","5","4","3","1") = "5"
    & skf18("2","1","6","5","4","4","1") = "5"
    & skf18("2","1","6","5","4","5","1") = "5"
    & skf18("2","1","6","5","4","6","1") = "5"
    & skf18("2","1","6","5","4","7","1") = "6"
    & skf18("2","1","6","5","4","8","1") = "7"
    & skf18("2","1","6","5","4","9","1") = "8"
    & skf18("2","1","6","5","4","10","1") = "9"
    & skf18("2","1","6","5","5","1","1") = "5"
    & skf18("2","1","6","5","5","2","1") = "5"
    & skf18("2","1","6","5","5","3","1") = "5"
    & skf18("2","1","6","5","5","4","1") = "5"
    & skf18("2","1","6","5","5","5","1") = "5"
    & skf18("2","1","6","5","5","6","1") = "5"
    & skf18("2","1","6","5","5","7","1") = "6"
    & skf18("2","1","6","5","5","8","1") = "7"
    & skf18("2","1","6","5","5","9","1") = "8"
    & skf18("2","1","6","5","5","10","1") = "9"
    & skf18("2","1","6","5","6","1","1") = "5"
    & skf18("2","1","6","5","6","2","1") = "5"
    & skf18("2","1","6","5","6","3","1") = "5"
    & skf18("2","1","6","5","6","4","1") = "5"
    & skf18("2","1","6","5","6","5","1") = "5"
    & skf18("2","1","6","5","6","6","1") = "5"
    & skf18("2","1","6","5","6","7","1") = "6"
    & skf18("2","1","6","5","6","8","1") = "7"
    & skf18("2","1","6","5","6","9","1") = "8"
    & skf18("2","1","6","5","6","10","1") = "9"
    & skf18("2","1","6","5","7","1","1") = "6"
    & skf18("2","1","6","5","7","2","1") = "6"
    & skf18("2","1","6","5","7","3","1") = "6"
    & skf18("2","1","6","5","7","4","1") = "6"
    & skf18("2","1","6","5","7","5","1") = "6"
    & skf18("2","1","6","5","7","6","1") = "6"
    & skf18("2","1","6","5","7","7","1") = "6"
    & skf18("2","1","6","5","7","8","1") = "7"
    & skf18("2","1","6","5","7","9","1") = "8"
    & skf18("2","1","6","5","7","10","1") = "9"
    & skf18("2","1","6","5","8","1","1") = "7"
    & skf18("2","1","6","5","8","2","1") = "7"
    & skf18("2","1","6","5","8","3","1") = "7"
    & skf18("2","1","6","5","8","4","1") = "7"
    & skf18("2","1","6","5","8","5","1") = "7"
    & skf18("2","1","6","5","8","6","1") = "7"
    & skf18("2","1","6","5","8","7","1") = "7"
    & skf18("2","1","6","5","8","8","1") = "7"
    & skf18("2","1","6","5","8","9","1") = "8"
    & skf18("2","1","6","5","8","10","1") = "9"
    & skf18("2","1","6","5","9","1","1") = "8"
    & skf18("2","1","6","5","9","2","1") = "8"
    & skf18("2","1","6","5","9","3","1") = "8"
    & skf18("2","1","6","5","9","4","1") = "8"
    & skf18("2","1","6","5","9","5","1") = "8"
    & skf18("2","1","6","5","9","6","1") = "8"
    & skf18("2","1","6","5","9","7","1") = "8"
    & skf18("2","1","6","5","9","8","1") = "8"
    & skf18("2","1","6","5","9","9","1") = "8"
    & skf18("2","1","6","5","9","10","1") = "9"
    & skf18("2","1","6","5","10","1","1") = "9"
    & skf18("2","1","6","5","10","2","1") = "9"
    & skf18("2","1","6","5","10","3","1") = "9"
    & skf18("2","1","6","5","10","4","1") = "9"
    & skf18("2","1","6","5","10","5","1") = "9"
    & skf18("2","1","6","5","10","6","1") = "9"
    & skf18("2","1","6","5","10","7","1") = "9"
    & skf18("2","1","6","5","10","8","1") = "9"
    & skf18("2","1","6","5","10","9","1") = "9"
    & skf18("2","1","6","5","10","10","1") = "9"
    & skf18("2","1","6","6","1","1","1") = "5"
    & skf18("2","1","6","6","1","2","1") = "5"
    & skf18("2","1","6","6","1","3","1") = "5"
    & skf18("2","1","6","6","1","4","1") = "5"
    & skf18("2","1","6","6","1","5","1") = "5"
    & skf18("2","1","6","6","1","6","1") = "5"
    & skf18("2","1","6","6","1","7","1") = "6"
    & skf18("2","1","6","6","1","8","1") = "7"
    & skf18("2","1","6","6","1","9","1") = "8"
    & skf18("2","1","6","6","1","10","1") = "9"
    & skf18("2","1","6","6","2","1","1") = "5"
    & skf18("2","1","6","6","2","2","1") = "5"
    & skf18("2","1","6","6","2","3","1") = "5"
    & skf18("2","1","6","6","2","4","1") = "5"
    & skf18("2","1","6","6","2","5","1") = "5"
    & skf18("2","1","6","6","2","6","1") = "5"
    & skf18("2","1","6","6","2","7","1") = "6"
    & skf18("2","1","6","6","2","8","1") = "7"
    & skf18("2","1","6","6","2","9","1") = "8"
    & skf18("2","1","6","6","2","10","1") = "9"
    & skf18("2","1","6","6","3","1","1") = "5"
    & skf18("2","1","6","6","3","2","1") = "5"
    & skf18("2","1","6","6","3","3","1") = "5"
    & skf18("2","1","6","6","3","4","1") = "5"
    & skf18("2","1","6","6","3","5","1") = "5"
    & skf18("2","1","6","6","3","6","1") = "5"
    & skf18("2","1","6","6","3","7","1") = "6"
    & skf18("2","1","6","6","3","8","1") = "7"
    & skf18("2","1","6","6","3","9","1") = "8"
    & skf18("2","1","6","6","3","10","1") = "9"
    & skf18("2","1","6","6","4","1","1") = "5"
    & skf18("2","1","6","6","4","2","1") = "5"
    & skf18("2","1","6","6","4","3","1") = "5"
    & skf18("2","1","6","6","4","4","1") = "5"
    & skf18("2","1","6","6","4","5","1") = "5"
    & skf18("2","1","6","6","4","6","1") = "5"
    & skf18("2","1","6","6","4","7","1") = "6"
    & skf18("2","1","6","6","4","8","1") = "7"
    & skf18("2","1","6","6","4","9","1") = "8"
    & skf18("2","1","6","6","4","10","1") = "9"
    & skf18("2","1","6","6","5","1","1") = "5"
    & skf18("2","1","6","6","5","2","1") = "5"
    & skf18("2","1","6","6","5","3","1") = "5"
    & skf18("2","1","6","6","5","4","1") = "5"
    & skf18("2","1","6","6","5","5","1") = "5"
    & skf18("2","1","6","6","5","6","1") = "5"
    & skf18("2","1","6","6","5","7","1") = "6"
    & skf18("2","1","6","6","5","8","1") = "7"
    & skf18("2","1","6","6","5","9","1") = "8"
    & skf18("2","1","6","6","5","10","1") = "9"
    & skf18("2","1","6","6","6","1","1") = "5"
    & skf18("2","1","6","6","6","2","1") = "5"
    & skf18("2","1","6","6","6","3","1") = "5"
    & skf18("2","1","6","6","6","4","1") = "5"
    & skf18("2","1","6","6","6","5","1") = "5"
    & skf18("2","1","6","6","6","6","1") = "5"
    & skf18("2","1","6","6","6","7","1") = "6"
    & skf18("2","1","6","6","6","8","1") = "7"
    & skf18("2","1","6","6","6","9","1") = "8"
    & skf18("2","1","6","6","6","10","1") = "9"
    & skf18("2","1","6","6","7","1","1") = "6"
    & skf18("2","1","6","6","7","2","1") = "6"
    & skf18("2","1","6","6","7","3","1") = "6"
    & skf18("2","1","6","6","7","4","1") = "6"
    & skf18("2","1","6","6","7","5","1") = "6"
    & skf18("2","1","6","6","7","6","1") = "6"
    & skf18("2","1","6","6","7","7","1") = "6"
    & skf18("2","1","6","6","7","8","1") = "7"
    & skf18("2","1","6","6","7","9","1") = "8"
    & skf18("2","1","6","6","7","10","1") = "9"
    & skf18("2","1","6","6","8","1","1") = "7"
    & skf18("2","1","6","6","8","2","1") = "7"
    & skf18("2","1","6","6","8","3","1") = "7"
    & skf18("2","1","6","6","8","4","1") = "7"
    & skf18("2","1","6","6","8","5","1") = "7"
    & skf18("2","1","6","6","8","6","1") = "7"
    & skf18("2","1","6","6","8","7","1") = "7"
    & skf18("2","1","6","6","8","8","1") = "7"
    & skf18("2","1","6","6","8","9","1") = "8"
    & skf18("2","1","6","6","8","10","1") = "9"
    & skf18("2","1","6","6","9","1","1") = "8"
    & skf18("2","1","6","6","9","2","1") = "8"
    & skf18("2","1","6","6","9","3","1") = "8"
    & skf18("2","1","6","6","9","4","1") = "8"
    & skf18("2","1","6","6","9","5","1") = "8"
    & skf18("2","1","6","6","9","6","1") = "8"
    & skf18("2","1","6","6","9","7","1") = "8"
    & skf18("2","1","6","6","9","8","1") = "8"
    & skf18("2","1","6","6","9","9","1") = "8"
    & skf18("2","1","6","6","9","10","1") = "9"
    & skf18("2","1","6","6","10","1","1") = "9"
    & skf18("2","1","6","6","10","2","1") = "9"
    & skf18("2","1","6","6","10","3","1") = "9"
    & skf18("2","1","6","6","10","4","1") = "9"
    & skf18("2","1","6","6","10","5","1") = "9"
    & skf18("2","1","6","6","10","6","1") = "9"
    & skf18("2","1","6","6","10","7","1") = "9"
    & skf18("2","1","6","6","10","8","1") = "9"
    & skf18("2","1","6","6","10","9","1") = "9"
    & skf18("2","1","6","6","10","10","1") = "9"
    & skf18("2","1","6","7","1","1","1") = "6"
    & skf18("2","1","6","7","1","2","1") = "6"
    & skf18("2","1","6","7","1","3","1") = "6"
    & skf18("2","1","6","7","1","4","1") = "6"
    & skf18("2","1","6","7","1","5","1") = "6"
    & skf18("2","1","6","7","1","6","1") = "6"
    & skf18("2","1","6","7","1","7","1") = "6"
    & skf18("2","1","6","7","1","8","1") = "7"
    & skf18("2","1","6","7","1","9","1") = "8"
    & skf18("2","1","6","7","1","10","1") = "9"
    & skf18("2","1","6","7","2","1","1") = "6"
    & skf18("2","1","6","7","2","2","1") = "6"
    & skf18("2","1","6","7","2","3","1") = "6"
    & skf18("2","1","6","7","2","4","1") = "6"
    & skf18("2","1","6","7","2","5","1") = "6"
    & skf18("2","1","6","7","2","6","1") = "6"
    & skf18("2","1","6","7","2","7","1") = "6"
    & skf18("2","1","6","7","2","8","1") = "7"
    & skf18("2","1","6","7","2","9","1") = "8"
    & skf18("2","1","6","7","2","10","1") = "9"
    & skf18("2","1","6","7","3","1","1") = "6"
    & skf18("2","1","6","7","3","2","1") = "6"
    & skf18("2","1","6","7","3","3","1") = "6"
    & skf18("2","1","6","7","3","4","1") = "6"
    & skf18("2","1","6","7","3","5","1") = "6"
    & skf18("2","1","6","7","3","6","1") = "6"
    & skf18("2","1","6","7","3","7","1") = "6"
    & skf18("2","1","6","7","3","8","1") = "7"
    & skf18("2","1","6","7","3","9","1") = "8"
    & skf18("2","1","6","7","3","10","1") = "9"
    & skf18("2","1","6","7","4","1","1") = "6"
    & skf18("2","1","6","7","4","2","1") = "6"
    & skf18("2","1","6","7","4","3","1") = "6"
    & skf18("2","1","6","7","4","4","1") = "6"
    & skf18("2","1","6","7","4","5","1") = "6"
    & skf18("2","1","6","7","4","6","1") = "6"
    & skf18("2","1","6","7","4","7","1") = "6"
    & skf18("2","1","6","7","4","8","1") = "7"
    & skf18("2","1","6","7","4","9","1") = "8"
    & skf18("2","1","6","7","4","10","1") = "9"
    & skf18("2","1","6","7","5","1","1") = "6"
    & skf18("2","1","6","7","5","2","1") = "6"
    & skf18("2","1","6","7","5","3","1") = "6"
    & skf18("2","1","6","7","5","4","1") = "6"
    & skf18("2","1","6","7","5","5","1") = "6"
    & skf18("2","1","6","7","5","6","1") = "6"
    & skf18("2","1","6","7","5","7","1") = "6"
    & skf18("2","1","6","7","5","8","1") = "7"
    & skf18("2","1","6","7","5","9","1") = "8"
    & skf18("2","1","6","7","5","10","1") = "9"
    & skf18("2","1","6","7","6","1","1") = "6"
    & skf18("2","1","6","7","6","2","1") = "6"
    & skf18("2","1","6","7","6","3","1") = "6"
    & skf18("2","1","6","7","6","4","1") = "6"
    & skf18("2","1","6","7","6","5","1") = "6"
    & skf18("2","1","6","7","6","6","1") = "6"
    & skf18("2","1","6","7","6","7","1") = "6"
    & skf18("2","1","6","7","6","8","1") = "7"
    & skf18("2","1","6","7","6","9","1") = "8"
    & skf18("2","1","6","7","6","10","1") = "9"
    & skf18("2","1","6","7","7","1","1") = "6"
    & skf18("2","1","6","7","7","2","1") = "6"
    & skf18("2","1","6","7","7","3","1") = "6"
    & skf18("2","1","6","7","7","4","1") = "6"
    & skf18("2","1","6","7","7","5","1") = "6"
    & skf18("2","1","6","7","7","6","1") = "6"
    & skf18("2","1","6","7","7","7","1") = "6"
    & skf18("2","1","6","7","7","8","1") = "7"
    & skf18("2","1","6","7","7","9","1") = "8"
    & skf18("2","1","6","7","7","10","1") = "9"
    & skf18("2","1","6","7","8","1","1") = "7"
    & skf18("2","1","6","7","8","2","1") = "7"
    & skf18("2","1","6","7","8","3","1") = "7"
    & skf18("2","1","6","7","8","4","1") = "7"
    & skf18("2","1","6","7","8","5","1") = "7"
    & skf18("2","1","6","7","8","6","1") = "7"
    & skf18("2","1","6","7","8","7","1") = "7"
    & skf18("2","1","6","7","8","8","1") = "7"
    & skf18("2","1","6","7","8","9","1") = "8"
    & skf18("2","1","6","7","8","10","1") = "9"
    & skf18("2","1","6","7","9","1","1") = "8"
    & skf18("2","1","6","7","9","2","1") = "8"
    & skf18("2","1","6","7","9","3","1") = "8"
    & skf18("2","1","6","7","9","4","1") = "8"
    & skf18("2","1","6","7","9","5","1") = "8"
    & skf18("2","1","6","7","9","6","1") = "8"
    & skf18("2","1","6","7","9","7","1") = "8"
    & skf18("2","1","6","7","9","8","1") = "8"
    & skf18("2","1","6","7","9","9","1") = "8"
    & skf18("2","1","6","7","9","10","1") = "9"
    & skf18("2","1","6","7","10","1","1") = "9"
    & skf18("2","1","6","7","10","2","1") = "9"
    & skf18("2","1","6","7","10","3","1") = "9"
    & skf18("2","1","6","7","10","4","1") = "9"
    & skf18("2","1","6","7","10","5","1") = "9"
    & skf18("2","1","6","7","10","6","1") = "9"
    & skf18("2","1","6","7","10","7","1") = "9"
    & skf18("2","1","6","7","10","8","1") = "9"
    & skf18("2","1","6","7","10","9","1") = "9"
    & skf18("2","1","6","7","10","10","1") = "9"
    & skf18("2","1","6","8","1","1","1") = "7"
    & skf18("2","1","6","8","1","2","1") = "7"
    & skf18("2","1","6","8","1","3","1") = "7"
    & skf18("2","1","6","8","1","4","1") = "7"
    & skf18("2","1","6","8","1","5","1") = "7"
    & skf18("2","1","6","8","1","6","1") = "7"
    & skf18("2","1","6","8","1","7","1") = "7"
    & skf18("2","1","6","8","1","8","1") = "7"
    & skf18("2","1","6","8","1","9","1") = "8"
    & skf18("2","1","6","8","1","10","1") = "9"
    & skf18("2","1","6","8","2","1","1") = "7"
    & skf18("2","1","6","8","2","2","1") = "7"
    & skf18("2","1","6","8","2","3","1") = "7"
    & skf18("2","1","6","8","2","4","1") = "7"
    & skf18("2","1","6","8","2","5","1") = "7"
    & skf18("2","1","6","8","2","6","1") = "7"
    & skf18("2","1","6","8","2","7","1") = "7"
    & skf18("2","1","6","8","2","8","1") = "7"
    & skf18("2","1","6","8","2","9","1") = "8"
    & skf18("2","1","6","8","2","10","1") = "9"
    & skf18("2","1","6","8","3","1","1") = "7"
    & skf18("2","1","6","8","3","2","1") = "7"
    & skf18("2","1","6","8","3","3","1") = "7"
    & skf18("2","1","6","8","3","4","1") = "7"
    & skf18("2","1","6","8","3","5","1") = "7"
    & skf18("2","1","6","8","3","6","1") = "7"
    & skf18("2","1","6","8","3","7","1") = "7"
    & skf18("2","1","6","8","3","8","1") = "7"
    & skf18("2","1","6","8","3","9","1") = "8"
    & skf18("2","1","6","8","3","10","1") = "9"
    & skf18("2","1","6","8","4","1","1") = "7"
    & skf18("2","1","6","8","4","2","1") = "7"
    & skf18("2","1","6","8","4","3","1") = "7"
    & skf18("2","1","6","8","4","4","1") = "7"
    & skf18("2","1","6","8","4","5","1") = "7"
    & skf18("2","1","6","8","4","6","1") = "7"
    & skf18("2","1","6","8","4","7","1") = "7"
    & skf18("2","1","6","8","4","8","1") = "7"
    & skf18("2","1","6","8","4","9","1") = "8"
    & skf18("2","1","6","8","4","10","1") = "9"
    & skf18("2","1","6","8","5","1","1") = "7"
    & skf18("2","1","6","8","5","2","1") = "7"
    & skf18("2","1","6","8","5","3","1") = "7"
    & skf18("2","1","6","8","5","4","1") = "7"
    & skf18("2","1","6","8","5","5","1") = "7"
    & skf18("2","1","6","8","5","6","1") = "7"
    & skf18("2","1","6","8","5","7","1") = "7"
    & skf18("2","1","6","8","5","8","1") = "7"
    & skf18("2","1","6","8","5","9","1") = "8"
    & skf18("2","1","6","8","5","10","1") = "9"
    & skf18("2","1","6","8","6","1","1") = "7"
    & skf18("2","1","6","8","6","2","1") = "7"
    & skf18("2","1","6","8","6","3","1") = "7"
    & skf18("2","1","6","8","6","4","1") = "7"
    & skf18("2","1","6","8","6","5","1") = "7"
    & skf18("2","1","6","8","6","6","1") = "7"
    & skf18("2","1","6","8","6","7","1") = "7"
    & skf18("2","1","6","8","6","8","1") = "7"
    & skf18("2","1","6","8","6","9","1") = "8"
    & skf18("2","1","6","8","6","10","1") = "9"
    & skf18("2","1","6","8","7","1","1") = "7"
    & skf18("2","1","6","8","7","2","1") = "7"
    & skf18("2","1","6","8","7","3","1") = "7"
    & skf18("2","1","6","8","7","4","1") = "7"
    & skf18("2","1","6","8","7","5","1") = "7"
    & skf18("2","1","6","8","7","6","1") = "7"
    & skf18("2","1","6","8","7","7","1") = "7"
    & skf18("2","1","6","8","7","8","1") = "7"
    & skf18("2","1","6","8","7","9","1") = "8"
    & skf18("2","1","6","8","7","10","1") = "9"
    & skf18("2","1","6","8","8","1","1") = "7"
    & skf18("2","1","6","8","8","2","1") = "7"
    & skf18("2","1","6","8","8","3","1") = "7"
    & skf18("2","1","6","8","8","4","1") = "7"
    & skf18("2","1","6","8","8","5","1") = "7"
    & skf18("2","1","6","8","8","6","1") = "7"
    & skf18("2","1","6","8","8","7","1") = "7"
    & skf18("2","1","6","8","8","8","1") = "7"
    & skf18("2","1","6","8","8","9","1") = "8"
    & skf18("2","1","6","8","8","10","1") = "9"
    & skf18("2","1","6","8","9","1","1") = "8"
    & skf18("2","1","6","8","9","2","1") = "8"
    & skf18("2","1","6","8","9","3","1") = "8"
    & skf18("2","1","6","8","9","4","1") = "8"
    & skf18("2","1","6","8","9","5","1") = "8"
    & skf18("2","1","6","8","9","6","1") = "8"
    & skf18("2","1","6","8","9","7","1") = "8"
    & skf18("2","1","6","8","9","8","1") = "8"
    & skf18("2","1","6","8","9","9","1") = "8"
    & skf18("2","1","6","8","9","10","1") = "9"
    & skf18("2","1","6","8","10","1","1") = "9"
    & skf18("2","1","6","8","10","2","1") = "9"
    & skf18("2","1","6","8","10","3","1") = "9"
    & skf18("2","1","6","8","10","4","1") = "9"
    & skf18("2","1","6","8","10","5","1") = "9"
    & skf18("2","1","6","8","10","6","1") = "9"
    & skf18("2","1","6","8","10","7","1") = "9"
    & skf18("2","1","6","8","10","8","1") = "9"
    & skf18("2","1","6","8","10","9","1") = "9"
    & skf18("2","1","6","8","10","10","1") = "9"
    & skf18("2","1","6","9","1","1","1") = "8"
    & skf18("2","1","6","9","1","2","1") = "8"
    & skf18("2","1","6","9","1","3","1") = "8"
    & skf18("2","1","6","9","1","4","1") = "8"
    & skf18("2","1","6","9","1","5","1") = "8"
    & skf18("2","1","6","9","1","6","1") = "8"
    & skf18("2","1","6","9","1","7","1") = "8"
    & skf18("2","1","6","9","1","8","1") = "8"
    & skf18("2","1","6","9","1","9","1") = "8"
    & skf18("2","1","6","9","1","10","1") = "9"
    & skf18("2","1","6","9","2","1","1") = "8"
    & skf18("2","1","6","9","2","2","1") = "8"
    & skf18("2","1","6","9","2","3","1") = "8"
    & skf18("2","1","6","9","2","4","1") = "8"
    & skf18("2","1","6","9","2","5","1") = "8"
    & skf18("2","1","6","9","2","6","1") = "8"
    & skf18("2","1","6","9","2","7","1") = "8"
    & skf18("2","1","6","9","2","8","1") = "8"
    & skf18("2","1","6","9","2","9","1") = "8"
    & skf18("2","1","6","9","2","10","1") = "9"
    & skf18("2","1","6","9","3","1","1") = "8"
    & skf18("2","1","6","9","3","2","1") = "8"
    & skf18("2","1","6","9","3","3","1") = "8"
    & skf18("2","1","6","9","3","4","1") = "8"
    & skf18("2","1","6","9","3","5","1") = "8"
    & skf18("2","1","6","9","3","6","1") = "8"
    & skf18("2","1","6","9","3","7","1") = "8"
    & skf18("2","1","6","9","3","8","1") = "8"
    & skf18("2","1","6","9","3","9","1") = "8"
    & skf18("2","1","6","9","3","10","1") = "9"
    & skf18("2","1","6","9","4","1","1") = "8"
    & skf18("2","1","6","9","4","2","1") = "8"
    & skf18("2","1","6","9","4","3","1") = "8"
    & skf18("2","1","6","9","4","4","1") = "8"
    & skf18("2","1","6","9","4","5","1") = "8"
    & skf18("2","1","6","9","4","6","1") = "8"
    & skf18("2","1","6","9","4","7","1") = "8"
    & skf18("2","1","6","9","4","8","1") = "8"
    & skf18("2","1","6","9","4","9","1") = "8"
    & skf18("2","1","6","9","4","10","1") = "9"
    & skf18("2","1","6","9","5","1","1") = "8"
    & skf18("2","1","6","9","5","2","1") = "8"
    & skf18("2","1","6","9","5","3","1") = "8"
    & skf18("2","1","6","9","5","4","1") = "8"
    & skf18("2","1","6","9","5","5","1") = "8"
    & skf18("2","1","6","9","5","6","1") = "8"
    & skf18("2","1","6","9","5","7","1") = "8"
    & skf18("2","1","6","9","5","8","1") = "8"
    & skf18("2","1","6","9","5","9","1") = "8"
    & skf18("2","1","6","9","5","10","1") = "9"
    & skf18("2","1","6","9","6","1","1") = "8"
    & skf18("2","1","6","9","6","2","1") = "8"
    & skf18("2","1","6","9","6","3","1") = "8"
    & skf18("2","1","6","9","6","4","1") = "8"
    & skf18("2","1","6","9","6","5","1") = "8"
    & skf18("2","1","6","9","6","6","1") = "8"
    & skf18("2","1","6","9","6","7","1") = "8"
    & skf18("2","1","6","9","6","8","1") = "8"
    & skf18("2","1","6","9","6","9","1") = "8"
    & skf18("2","1","6","9","6","10","1") = "9"
    & skf18("2","1","6","9","7","1","1") = "8"
    & skf18("2","1","6","9","7","2","1") = "8"
    & skf18("2","1","6","9","7","3","1") = "8"
    & skf18("2","1","6","9","7","4","1") = "8"
    & skf18("2","1","6","9","7","5","1") = "8"
    & skf18("2","1","6","9","7","6","1") = "8"
    & skf18("2","1","6","9","7","7","1") = "8"
    & skf18("2","1","6","9","7","8","1") = "8"
    & skf18("2","1","6","9","7","9","1") = "8"
    & skf18("2","1","6","9","7","10","1") = "9"
    & skf18("2","1","6","9","8","1","1") = "8"
    & skf18("2","1","6","9","8","2","1") = "8"
    & skf18("2","1","6","9","8","3","1") = "8"
    & skf18("2","1","6","9","8","4","1") = "8"
    & skf18("2","1","6","9","8","5","1") = "8"
    & skf18("2","1","6","9","8","6","1") = "8"
    & skf18("2","1","6","9","8","7","1") = "8"
    & skf18("2","1","6","9","8","8","1") = "8"
    & skf18("2","1","6","9","8","9","1") = "8"
    & skf18("2","1","6","9","8","10","1") = "9"
    & skf18("2","1","6","9","9","1","1") = "8"
    & skf18("2","1","6","9","9","2","1") = "8"
    & skf18("2","1","6","9","9","3","1") = "8"
    & skf18("2","1","6","9","9","4","1") = "8"
    & skf18("2","1","6","9","9","5","1") = "8"
    & skf18("2","1","6","9","9","6","1") = "8"
    & skf18("2","1","6","9","9","7","1") = "8"
    & skf18("2","1","6","9","9","8","1") = "8"
    & skf18("2","1","6","9","9","9","1") = "8"
    & skf18("2","1","6","9","9","10","1") = "9"
    & skf18("2","1","6","9","10","1","1") = "9"
    & skf18("2","1","6","9","10","2","1") = "9"
    & skf18("2","1","6","9","10","3","1") = "9"
    & skf18("2","1","6","9","10","4","1") = "9"
    & skf18("2","1","6","9","10","5","1") = "9"
    & skf18("2","1","6","9","10","6","1") = "9"
    & skf18("2","1","6","9","10","7","1") = "9"
    & skf18("2","1","6","9","10","8","1") = "9"
    & skf18("2","1","6","9","10","9","1") = "9"
    & skf18("2","1","6","9","10","10","1") = "9"
    & skf18("2","1","6","10","1","1","1") = "9"
    & skf18("2","1","6","10","1","2","1") = "9"
    & skf18("2","1","6","10","1","3","1") = "9"
    & skf18("2","1","6","10","1","4","1") = "9"
    & skf18("2","1","6","10","1","5","1") = "9"
    & skf18("2","1","6","10","1","6","1") = "9"
    & skf18("2","1","6","10","1","7","1") = "9"
    & skf18("2","1","6","10","1","8","1") = "9"
    & skf18("2","1","6","10","1","9","1") = "9"
    & skf18("2","1","6","10","1","10","1") = "9"
    & skf18("2","1","6","10","2","1","1") = "9"
    & skf18("2","1","6","10","2","2","1") = "9"
    & skf18("2","1","6","10","2","3","1") = "9"
    & skf18("2","1","6","10","2","4","1") = "9"
    & skf18("2","1","6","10","2","5","1") = "9"
    & skf18("2","1","6","10","2","6","1") = "9"
    & skf18("2","1","6","10","2","7","1") = "9"
    & skf18("2","1","6","10","2","8","1") = "9"
    & skf18("2","1","6","10","2","9","1") = "9"
    & skf18("2","1","6","10","2","10","1") = "9"
    & skf18("2","1","6","10","3","1","1") = "9"
    & skf18("2","1","6","10","3","2","1") = "9"
    & skf18("2","1","6","10","3","3","1") = "9"
    & skf18("2","1","6","10","3","4","1") = "9"
    & skf18("2","1","6","10","3","5","1") = "9"
    & skf18("2","1","6","10","3","6","1") = "9"
    & skf18("2","1","6","10","3","7","1") = "9"
    & skf18("2","1","6","10","3","8","1") = "9"
    & skf18("2","1","6","10","3","9","1") = "9"
    & skf18("2","1","6","10","3","10","1") = "9"
    & skf18("2","1","6","10","4","1","1") = "9"
    & skf18("2","1","6","10","4","2","1") = "9"
    & skf18("2","1","6","10","4","3","1") = "9"
    & skf18("2","1","6","10","4","4","1") = "9"
    & skf18("2","1","6","10","4","5","1") = "9"
    & skf18("2","1","6","10","4","6","1") = "9"
    & skf18("2","1","6","10","4","7","1") = "9"
    & skf18("2","1","6","10","4","8","1") = "9"
    & skf18("2","1","6","10","4","9","1") = "9"
    & skf18("2","1","6","10","4","10","1") = "9"
    & skf18("2","1","6","10","5","1","1") = "9"
    & skf18("2","1","6","10","5","2","1") = "9"
    & skf18("2","1","6","10","5","3","1") = "9"
    & skf18("2","1","6","10","5","4","1") = "9"
    & skf18("2","1","6","10","5","5","1") = "9"
    & skf18("2","1","6","10","5","6","1") = "9"
    & skf18("2","1","6","10","5","7","1") = "9"
    & skf18("2","1","6","10","5","8","1") = "9"
    & skf18("2","1","6","10","5","9","1") = "9"
    & skf18("2","1","6","10","5","10","1") = "9"
    & skf18("2","1","6","10","6","1","1") = "9"
    & skf18("2","1","6","10","6","2","1") = "9"
    & skf18("2","1","6","10","6","3","1") = "9"
    & skf18("2","1","6","10","6","4","1") = "9"
    & skf18("2","1","6","10","6","5","1") = "9"
    & skf18("2","1","6","10","6","6","1") = "9"
    & skf18("2","1","6","10","6","7","1") = "9"
    & skf18("2","1","6","10","6","8","1") = "9"
    & skf18("2","1","6","10","6","9","1") = "9"
    & skf18("2","1","6","10","6","10","1") = "9"
    & skf18("2","1","6","10","7","1","1") = "9"
    & skf18("2","1","6","10","7","2","1") = "9"
    & skf18("2","1","6","10","7","3","1") = "9"
    & skf18("2","1","6","10","7","4","1") = "9"
    & skf18("2","1","6","10","7","5","1") = "9"
    & skf18("2","1","6","10","7","6","1") = "9"
    & skf18("2","1","6","10","7","7","1") = "9"
    & skf18("2","1","6","10","7","8","1") = "9"
    & skf18("2","1","6","10","7","9","1") = "9"
    & skf18("2","1","6","10","7","10","1") = "9"
    & skf18("2","1","6","10","8","1","1") = "9"
    & skf18("2","1","6","10","8","2","1") = "9"
    & skf18("2","1","6","10","8","3","1") = "9"
    & skf18("2","1","6","10","8","4","1") = "9"
    & skf18("2","1","6","10","8","5","1") = "9"
    & skf18("2","1","6","10","8","6","1") = "9"
    & skf18("2","1","6","10","8","7","1") = "9"
    & skf18("2","1","6","10","8","8","1") = "9"
    & skf18("2","1","6","10","8","9","1") = "9"
    & skf18("2","1","6","10","8","10","1") = "9"
    & skf18("2","1","6","10","9","1","1") = "9"
    & skf18("2","1","6","10","9","2","1") = "9"
    & skf18("2","1","6","10","9","3","1") = "9"
    & skf18("2","1","6","10","9","4","1") = "9"
    & skf18("2","1","6","10","9","5","1") = "9"
    & skf18("2","1","6","10","9","6","1") = "9"
    & skf18("2","1","6","10","9","7","1") = "9"
    & skf18("2","1","6","10","9","8","1") = "9"
    & skf18("2","1","6","10","9","9","1") = "9"
    & skf18("2","1","6","10","9","10","1") = "9"
    & skf18("2","1","6","10","10","1","1") = "9"
    & skf18("2","1","6","10","10","2","1") = "9"
    & skf18("2","1","6","10","10","3","1") = "9"
    & skf18("2","1","6","10","10","4","1") = "9"
    & skf18("2","1","6","10","10","5","1") = "9"
    & skf18("2","1","6","10","10","6","1") = "9"
    & skf18("2","1","6","10","10","7","1") = "9"
    & skf18("2","1","6","10","10","8","1") = "9"
    & skf18("2","1","6","10","10","9","1") = "9"
    & skf18("2","1","6","10","10","10","1") = "9"
    & skf18("2","1","7","1","1","1","1") = "6"
    & skf18("2","1","7","1","1","2","1") = "6"
    & skf18("2","1","7","1","1","3","1") = "6"
    & skf18("2","1","7","1","1","4","1") = "6"
    & skf18("2","1","7","1","1","5","1") = "6"
    & skf18("2","1","7","1","1","6","1") = "6"
    & skf18("2","1","7","1","1","7","1") = "6"
    & skf18("2","1","7","1","1","8","1") = "7"
    & skf18("2","1","7","1","1","9","1") = "8"
    & skf18("2","1","7","1","1","10","1") = "9"
    & skf18("2","1","7","1","2","1","1") = "6"
    & skf18("2","1","7","1","2","2","1") = "6"
    & skf18("2","1","7","1","2","3","1") = "6"
    & skf18("2","1","7","1","2","4","1") = "6"
    & skf18("2","1","7","1","2","5","1") = "6"
    & skf18("2","1","7","1","2","6","1") = "6"
    & skf18("2","1","7","1","2","7","1") = "6"
    & skf18("2","1","7","1","2","8","1") = "7"
    & skf18("2","1","7","1","2","9","1") = "8"
    & skf18("2","1","7","1","2","10","1") = "9"
    & skf18("2","1","7","1","3","1","1") = "6"
    & skf18("2","1","7","1","3","2","1") = "6"
    & skf18("2","1","7","1","3","3","1") = "6"
    & skf18("2","1","7","1","3","4","1") = "6"
    & skf18("2","1","7","1","3","5","1") = "6"
    & skf18("2","1","7","1","3","6","1") = "6"
    & skf18("2","1","7","1","3","7","1") = "6"
    & skf18("2","1","7","1","3","8","1") = "7"
    & skf18("2","1","7","1","3","9","1") = "8"
    & skf18("2","1","7","1","3","10","1") = "9"
    & skf18("2","1","7","1","4","1","1") = "6"
    & skf18("2","1","7","1","4","2","1") = "6"
    & skf18("2","1","7","1","4","3","1") = "6"
    & skf18("2","1","7","1","4","4","1") = "6"
    & skf18("2","1","7","1","4","5","1") = "6"
    & skf18("2","1","7","1","4","6","1") = "6"
    & skf18("2","1","7","1","4","7","1") = "6"
    & skf18("2","1","7","1","4","8","1") = "7"
    & skf18("2","1","7","1","4","9","1") = "8"
    & skf18("2","1","7","1","4","10","1") = "9"
    & skf18("2","1","7","1","5","1","1") = "6"
    & skf18("2","1","7","1","5","2","1") = "6"
    & skf18("2","1","7","1","5","3","1") = "6"
    & skf18("2","1","7","1","5","4","1") = "6"
    & skf18("2","1","7","1","5","5","1") = "6"
    & skf18("2","1","7","1","5","6","1") = "6"
    & skf18("2","1","7","1","5","7","1") = "6"
    & skf18("2","1","7","1","5","8","1") = "7"
    & skf18("2","1","7","1","5","9","1") = "8"
    & skf18("2","1","7","1","5","10","1") = "9"
    & skf18("2","1","7","1","6","1","1") = "6"
    & skf18("2","1","7","1","6","2","1") = "6"
    & skf18("2","1","7","1","6","3","1") = "6"
    & skf18("2","1","7","1","6","4","1") = "6"
    & skf18("2","1","7","1","6","5","1") = "6"
    & skf18("2","1","7","1","6","6","1") = "6"
    & skf18("2","1","7","1","6","7","1") = "6"
    & skf18("2","1","7","1","6","8","1") = "7"
    & skf18("2","1","7","1","6","9","1") = "8"
    & skf18("2","1","7","1","6","10","1") = "9"
    & skf18("2","1","7","1","7","1","1") = "6"
    & skf18("2","1","7","1","7","2","1") = "6"
    & skf18("2","1","7","1","7","3","1") = "6"
    & skf18("2","1","7","1","7","4","1") = "6"
    & skf18("2","1","7","1","7","5","1") = "6"
    & skf18("2","1","7","1","7","6","1") = "6"
    & skf18("2","1","7","1","7","7","1") = "6"
    & skf18("2","1","7","1","7","8","1") = "7"
    & skf18("2","1","7","1","7","9","1") = "8"
    & skf18("2","1","7","1","7","10","1") = "9"
    & skf18("2","1","7","1","8","1","1") = "7"
    & skf18("2","1","7","1","8","2","1") = "7"
    & skf18("2","1","7","1","8","3","1") = "7"
    & skf18("2","1","7","1","8","4","1") = "7"
    & skf18("2","1","7","1","8","5","1") = "7"
    & skf18("2","1","7","1","8","6","1") = "7"
    & skf18("2","1","7","1","8","7","1") = "7"
    & skf18("2","1","7","1","8","8","1") = "7"
    & skf18("2","1","7","1","8","9","1") = "8"
    & skf18("2","1","7","1","8","10","1") = "9"
    & skf18("2","1","7","1","9","1","1") = "8"
    & skf18("2","1","7","1","9","2","1") = "8"
    & skf18("2","1","7","1","9","3","1") = "8"
    & skf18("2","1","7","1","9","4","1") = "8"
    & skf18("2","1","7","1","9","5","1") = "8"
    & skf18("2","1","7","1","9","6","1") = "8"
    & skf18("2","1","7","1","9","7","1") = "8"
    & skf18("2","1","7","1","9","8","1") = "8"
    & skf18("2","1","7","1","9","9","1") = "8"
    & skf18("2","1","7","1","9","10","1") = "9"
    & skf18("2","1","7","1","10","1","1") = "9"
    & skf18("2","1","7","1","10","2","1") = "9"
    & skf18("2","1","7","1","10","3","1") = "9"
    & skf18("2","1","7","1","10","4","1") = "9"
    & skf18("2","1","7","1","10","5","1") = "9"
    & skf18("2","1","7","1","10","6","1") = "9"
    & skf18("2","1","7","1","10","7","1") = "9"
    & skf18("2","1","7","1","10","8","1") = "9"
    & skf18("2","1","7","1","10","9","1") = "9"
    & skf18("2","1","7","1","10","10","1") = "9"
    & skf18("2","1","7","2","1","1","1") = "6"
    & skf18("2","1","7","2","1","2","1") = "6"
    & skf18("2","1","7","2","1","3","1") = "6"
    & skf18("2","1","7","2","1","4","1") = "6"
    & skf18("2","1","7","2","1","5","1") = "6"
    & skf18("2","1","7","2","1","6","1") = "6"
    & skf18("2","1","7","2","1","7","1") = "6"
    & skf18("2","1","7","2","1","8","1") = "7"
    & skf18("2","1","7","2","1","9","1") = "8"
    & skf18("2","1","7","2","1","10","1") = "9"
    & skf18("2","1","7","2","2","1","1") = "6"
    & skf18("2","1","7","2","2","2","1") = "6"
    & skf18("2","1","7","2","2","3","1") = "6"
    & skf18("2","1","7","2","2","4","1") = "6"
    & skf18("2","1","7","2","2","5","1") = "6"
    & skf18("2","1","7","2","2","6","1") = "6"
    & skf18("2","1","7","2","2","7","1") = "6"
    & skf18("2","1","7","2","2","8","1") = "7"
    & skf18("2","1","7","2","2","9","1") = "8"
    & skf18("2","1","7","2","2","10","1") = "9"
    & skf18("2","1","7","2","3","1","1") = "6"
    & skf18("2","1","7","2","3","2","1") = "6"
    & skf18("2","1","7","2","3","3","1") = "6"
    & skf18("2","1","7","2","3","4","1") = "6"
    & skf18("2","1","7","2","3","5","1") = "6"
    & skf18("2","1","7","2","3","6","1") = "6"
    & skf18("2","1","7","2","3","7","1") = "6"
    & skf18("2","1","7","2","3","8","1") = "7"
    & skf18("2","1","7","2","3","9","1") = "8"
    & skf18("2","1","7","2","3","10","1") = "9"
    & skf18("2","1","7","2","4","1","1") = "6"
    & skf18("2","1","7","2","4","2","1") = "6"
    & skf18("2","1","7","2","4","3","1") = "6"
    & skf18("2","1","7","2","4","4","1") = "6"
    & skf18("2","1","7","2","4","5","1") = "6"
    & skf18("2","1","7","2","4","6","1") = "6"
    & skf18("2","1","7","2","4","7","1") = "6"
    & skf18("2","1","7","2","4","8","1") = "7"
    & skf18("2","1","7","2","4","9","1") = "8"
    & skf18("2","1","7","2","4","10","1") = "9"
    & skf18("2","1","7","2","5","1","1") = "6"
    & skf18("2","1","7","2","5","2","1") = "6"
    & skf18("2","1","7","2","5","3","1") = "6"
    & skf18("2","1","7","2","5","4","1") = "6"
    & skf18("2","1","7","2","5","5","1") = "6"
    & skf18("2","1","7","2","5","6","1") = "6"
    & skf18("2","1","7","2","5","7","1") = "6"
    & skf18("2","1","7","2","5","8","1") = "7"
    & skf18("2","1","7","2","5","9","1") = "8"
    & skf18("2","1","7","2","5","10","1") = "9"
    & skf18("2","1","7","2","6","1","1") = "6"
    & skf18("2","1","7","2","6","2","1") = "6"
    & skf18("2","1","7","2","6","3","1") = "6"
    & skf18("2","1","7","2","6","4","1") = "6"
    & skf18("2","1","7","2","6","5","1") = "6"
    & skf18("2","1","7","2","6","6","1") = "6"
    & skf18("2","1","7","2","6","7","1") = "6"
    & skf18("2","1","7","2","6","8","1") = "7"
    & skf18("2","1","7","2","6","9","1") = "8"
    & skf18("2","1","7","2","6","10","1") = "9"
    & skf18("2","1","7","2","7","1","1") = "6"
    & skf18("2","1","7","2","7","2","1") = "6"
    & skf18("2","1","7","2","7","3","1") = "6"
    & skf18("2","1","7","2","7","4","1") = "6"
    & skf18("2","1","7","2","7","5","1") = "6"
    & skf18("2","1","7","2","7","6","1") = "6"
    & skf18("2","1","7","2","7","7","1") = "6"
    & skf18("2","1","7","2","7","8","1") = "7"
    & skf18("2","1","7","2","7","9","1") = "8"
    & skf18("2","1","7","2","7","10","1") = "9"
    & skf18("2","1","7","2","8","1","1") = "7"
    & skf18("2","1","7","2","8","2","1") = "7"
    & skf18("2","1","7","2","8","3","1") = "7"
    & skf18("2","1","7","2","8","4","1") = "7"
    & skf18("2","1","7","2","8","5","1") = "7"
    & skf18("2","1","7","2","8","6","1") = "7"
    & skf18("2","1","7","2","8","7","1") = "7"
    & skf18("2","1","7","2","8","8","1") = "7"
    & skf18("2","1","7","2","8","9","1") = "8"
    & skf18("2","1","7","2","8","10","1") = "9"
    & skf18("2","1","7","2","9","1","1") = "8"
    & skf18("2","1","7","2","9","2","1") = "8"
    & skf18("2","1","7","2","9","3","1") = "8"
    & skf18("2","1","7","2","9","4","1") = "8"
    & skf18("2","1","7","2","9","5","1") = "8"
    & skf18("2","1","7","2","9","6","1") = "8"
    & skf18("2","1","7","2","9","7","1") = "8"
    & skf18("2","1","7","2","9","8","1") = "8"
    & skf18("2","1","7","2","9","9","1") = "8"
    & skf18("2","1","7","2","9","10","1") = "9"
    & skf18("2","1","7","2","10","1","1") = "9"
    & skf18("2","1","7","2","10","2","1") = "9"
    & skf18("2","1","7","2","10","3","1") = "9"
    & skf18("2","1","7","2","10","4","1") = "9"
    & skf18("2","1","7","2","10","5","1") = "9"
    & skf18("2","1","7","2","10","6","1") = "9"
    & skf18("2","1","7","2","10","7","1") = "9"
    & skf18("2","1","7","2","10","8","1") = "9"
    & skf18("2","1","7","2","10","9","1") = "9"
    & skf18("2","1","7","2","10","10","1") = "9"
    & skf18("2","1","7","3","1","1","1") = "6"
    & skf18("2","1","7","3","1","2","1") = "6"
    & skf18("2","1","7","3","1","3","1") = "6"
    & skf18("2","1","7","3","1","4","1") = "6"
    & skf18("2","1","7","3","1","5","1") = "6"
    & skf18("2","1","7","3","1","6","1") = "6"
    & skf18("2","1","7","3","1","7","1") = "6"
    & skf18("2","1","7","3","1","8","1") = "7"
    & skf18("2","1","7","3","1","9","1") = "8"
    & skf18("2","1","7","3","1","10","1") = "9"
    & skf18("2","1","7","3","2","1","1") = "6"
    & skf18("2","1","7","3","2","2","1") = "6"
    & skf18("2","1","7","3","2","3","1") = "6"
    & skf18("2","1","7","3","2","4","1") = "6"
    & skf18("2","1","7","3","2","5","1") = "6"
    & skf18("2","1","7","3","2","6","1") = "6"
    & skf18("2","1","7","3","2","7","1") = "6"
    & skf18("2","1","7","3","2","8","1") = "7"
    & skf18("2","1","7","3","2","9","1") = "8"
    & skf18("2","1","7","3","2","10","1") = "9"
    & skf18("2","1","7","3","3","1","1") = "6"
    & skf18("2","1","7","3","3","2","1") = "6"
    & skf18("2","1","7","3","3","3","1") = "6"
    & skf18("2","1","7","3","3","4","1") = "6"
    & skf18("2","1","7","3","3","5","1") = "6"
    & skf18("2","1","7","3","3","6","1") = "6"
    & skf18("2","1","7","3","3","7","1") = "6"
    & skf18("2","1","7","3","3","8","1") = "7"
    & skf18("2","1","7","3","3","9","1") = "8"
    & skf18("2","1","7","3","3","10","1") = "9"
    & skf18("2","1","7","3","4","1","1") = "6"
    & skf18("2","1","7","3","4","2","1") = "6"
    & skf18("2","1","7","3","4","3","1") = "6"
    & skf18("2","1","7","3","4","4","1") = "6"
    & skf18("2","1","7","3","4","5","1") = "6"
    & skf18("2","1","7","3","4","6","1") = "6"
    & skf18("2","1","7","3","4","7","1") = "6"
    & skf18("2","1","7","3","4","8","1") = "7"
    & skf18("2","1","7","3","4","9","1") = "8"
    & skf18("2","1","7","3","4","10","1") = "9"
    & skf18("2","1","7","3","5","1","1") = "6"
    & skf18("2","1","7","3","5","2","1") = "6"
    & skf18("2","1","7","3","5","3","1") = "6"
    & skf18("2","1","7","3","5","4","1") = "6"
    & skf18("2","1","7","3","5","5","1") = "6"
    & skf18("2","1","7","3","5","6","1") = "6"
    & skf18("2","1","7","3","5","7","1") = "6"
    & skf18("2","1","7","3","5","8","1") = "7"
    & skf18("2","1","7","3","5","9","1") = "8"
    & skf18("2","1","7","3","5","10","1") = "9"
    & skf18("2","1","7","3","6","1","1") = "6"
    & skf18("2","1","7","3","6","2","1") = "6"
    & skf18("2","1","7","3","6","3","1") = "6"
    & skf18("2","1","7","3","6","4","1") = "6"
    & skf18("2","1","7","3","6","5","1") = "6"
    & skf18("2","1","7","3","6","6","1") = "6"
    & skf18("2","1","7","3","6","7","1") = "6"
    & skf18("2","1","7","3","6","8","1") = "7"
    & skf18("2","1","7","3","6","9","1") = "8"
    & skf18("2","1","7","3","6","10","1") = "9"
    & skf18("2","1","7","3","7","1","1") = "6"
    & skf18("2","1","7","3","7","2","1") = "6"
    & skf18("2","1","7","3","7","3","1") = "6"
    & skf18("2","1","7","3","7","4","1") = "6"
    & skf18("2","1","7","3","7","5","1") = "6"
    & skf18("2","1","7","3","7","6","1") = "6"
    & skf18("2","1","7","3","7","7","1") = "6"
    & skf18("2","1","7","3","7","8","1") = "7"
    & skf18("2","1","7","3","7","9","1") = "8"
    & skf18("2","1","7","3","7","10","1") = "9"
    & skf18("2","1","7","3","8","1","1") = "7"
    & skf18("2","1","7","3","8","2","1") = "7"
    & skf18("2","1","7","3","8","3","1") = "7"
    & skf18("2","1","7","3","8","4","1") = "7"
    & skf18("2","1","7","3","8","5","1") = "7"
    & skf18("2","1","7","3","8","6","1") = "7"
    & skf18("2","1","7","3","8","7","1") = "7"
    & skf18("2","1","7","3","8","8","1") = "7"
    & skf18("2","1","7","3","8","9","1") = "8"
    & skf18("2","1","7","3","8","10","1") = "9"
    & skf18("2","1","7","3","9","1","1") = "8"
    & skf18("2","1","7","3","9","2","1") = "8"
    & skf18("2","1","7","3","9","3","1") = "8"
    & skf18("2","1","7","3","9","4","1") = "8"
    & skf18("2","1","7","3","9","5","1") = "8"
    & skf18("2","1","7","3","9","6","1") = "8"
    & skf18("2","1","7","3","9","7","1") = "8"
    & skf18("2","1","7","3","9","8","1") = "8"
    & skf18("2","1","7","3","9","9","1") = "8"
    & skf18("2","1","7","3","9","10","1") = "9"
    & skf18("2","1","7","3","10","1","1") = "9"
    & skf18("2","1","7","3","10","2","1") = "9"
    & skf18("2","1","7","3","10","3","1") = "9"
    & skf18("2","1","7","3","10","4","1") = "9"
    & skf18("2","1","7","3","10","5","1") = "9"
    & skf18("2","1","7","3","10","6","1") = "9"
    & skf18("2","1","7","3","10","7","1") = "9"
    & skf18("2","1","7","3","10","8","1") = "9"
    & skf18("2","1","7","3","10","9","1") = "9"
    & skf18("2","1","7","3","10","10","1") = "9"
    & skf18("2","1","7","4","1","1","1") = "6"
    & skf18("2","1","7","4","1","2","1") = "6"
    & skf18("2","1","7","4","1","3","1") = "6"
    & skf18("2","1","7","4","1","4","1") = "6"
    & skf18("2","1","7","4","1","5","1") = "6"
    & skf18("2","1","7","4","1","6","1") = "6"
    & skf18("2","1","7","4","1","7","1") = "6"
    & skf18("2","1","7","4","1","8","1") = "7"
    & skf18("2","1","7","4","1","9","1") = "8"
    & skf18("2","1","7","4","1","10","1") = "9"
    & skf18("2","1","7","4","2","1","1") = "6"
    & skf18("2","1","7","4","2","2","1") = "6"
    & skf18("2","1","7","4","2","3","1") = "6"
    & skf18("2","1","7","4","2","4","1") = "6"
    & skf18("2","1","7","4","2","5","1") = "6"
    & skf18("2","1","7","4","2","6","1") = "6"
    & skf18("2","1","7","4","2","7","1") = "6"
    & skf18("2","1","7","4","2","8","1") = "7"
    & skf18("2","1","7","4","2","9","1") = "8"
    & skf18("2","1","7","4","2","10","1") = "9"
    & skf18("2","1","7","4","3","1","1") = "6"
    & skf18("2","1","7","4","3","2","1") = "6"
    & skf18("2","1","7","4","3","3","1") = "6"
    & skf18("2","1","7","4","3","4","1") = "6"
    & skf18("2","1","7","4","3","5","1") = "6"
    & skf18("2","1","7","4","3","6","1") = "6"
    & skf18("2","1","7","4","3","7","1") = "6"
    & skf18("2","1","7","4","3","8","1") = "7"
    & skf18("2","1","7","4","3","9","1") = "8"
    & skf18("2","1","7","4","3","10","1") = "9"
    & skf18("2","1","7","4","4","1","1") = "6"
    & skf18("2","1","7","4","4","2","1") = "6"
    & skf18("2","1","7","4","4","3","1") = "6"
    & skf18("2","1","7","4","4","4","1") = "6"
    & skf18("2","1","7","4","4","5","1") = "6"
    & skf18("2","1","7","4","4","6","1") = "6"
    & skf18("2","1","7","4","4","7","1") = "6"
    & skf18("2","1","7","4","4","8","1") = "7"
    & skf18("2","1","7","4","4","9","1") = "8"
    & skf18("2","1","7","4","4","10","1") = "9"
    & skf18("2","1","7","4","5","1","1") = "6"
    & skf18("2","1","7","4","5","2","1") = "6"
    & skf18("2","1","7","4","5","3","1") = "6"
    & skf18("2","1","7","4","5","4","1") = "6"
    & skf18("2","1","7","4","5","5","1") = "6"
    & skf18("2","1","7","4","5","6","1") = "6"
    & skf18("2","1","7","4","5","7","1") = "6"
    & skf18("2","1","7","4","5","8","1") = "7"
    & skf18("2","1","7","4","5","9","1") = "8"
    & skf18("2","1","7","4","5","10","1") = "9"
    & skf18("2","1","7","4","6","1","1") = "6"
    & skf18("2","1","7","4","6","2","1") = "6"
    & skf18("2","1","7","4","6","3","1") = "6"
    & skf18("2","1","7","4","6","4","1") = "6"
    & skf18("2","1","7","4","6","5","1") = "6"
    & skf18("2","1","7","4","6","6","1") = "6"
    & skf18("2","1","7","4","6","7","1") = "6"
    & skf18("2","1","7","4","6","8","1") = "7"
    & skf18("2","1","7","4","6","9","1") = "8"
    & skf18("2","1","7","4","6","10","1") = "9"
    & skf18("2","1","7","4","7","1","1") = "6"
    & skf18("2","1","7","4","7","2","1") = "6"
    & skf18("2","1","7","4","7","3","1") = "6"
    & skf18("2","1","7","4","7","4","1") = "6"
    & skf18("2","1","7","4","7","5","1") = "6"
    & skf18("2","1","7","4","7","6","1") = "6"
    & skf18("2","1","7","4","7","7","1") = "6"
    & skf18("2","1","7","4","7","8","1") = "7"
    & skf18("2","1","7","4","7","9","1") = "8"
    & skf18("2","1","7","4","7","10","1") = "9"
    & skf18("2","1","7","4","8","1","1") = "7"
    & skf18("2","1","7","4","8","2","1") = "7"
    & skf18("2","1","7","4","8","3","1") = "7"
    & skf18("2","1","7","4","8","4","1") = "7"
    & skf18("2","1","7","4","8","5","1") = "7"
    & skf18("2","1","7","4","8","6","1") = "7"
    & skf18("2","1","7","4","8","7","1") = "7"
    & skf18("2","1","7","4","8","8","1") = "7"
    & skf18("2","1","7","4","8","9","1") = "8"
    & skf18("2","1","7","4","8","10","1") = "9"
    & skf18("2","1","7","4","9","1","1") = "8"
    & skf18("2","1","7","4","9","2","1") = "8"
    & skf18("2","1","7","4","9","3","1") = "8"
    & skf18("2","1","7","4","9","4","1") = "8"
    & skf18("2","1","7","4","9","5","1") = "8"
    & skf18("2","1","7","4","9","6","1") = "8"
    & skf18("2","1","7","4","9","7","1") = "8"
    & skf18("2","1","7","4","9","8","1") = "8"
    & skf18("2","1","7","4","9","9","1") = "8"
    & skf18("2","1","7","4","9","10","1") = "9"
    & skf18("2","1","7","4","10","1","1") = "9"
    & skf18("2","1","7","4","10","2","1") = "9"
    & skf18("2","1","7","4","10","3","1") = "9"
    & skf18("2","1","7","4","10","4","1") = "9"
    & skf18("2","1","7","4","10","5","1") = "9"
    & skf18("2","1","7","4","10","6","1") = "9"
    & skf18("2","1","7","4","10","7","1") = "9"
    & skf18("2","1","7","4","10","8","1") = "9"
    & skf18("2","1","7","4","10","9","1") = "9"
    & skf18("2","1","7","4","10","10","1") = "9"
    & skf18("2","1","7","5","1","1","1") = "6"
    & skf18("2","1","7","5","1","2","1") = "6"
    & skf18("2","1","7","5","1","3","1") = "6"
    & skf18("2","1","7","5","1","4","1") = "6"
    & skf18("2","1","7","5","1","5","1") = "6"
    & skf18("2","1","7","5","1","6","1") = "6"
    & skf18("2","1","7","5","1","7","1") = "6"
    & skf18("2","1","7","5","1","8","1") = "7"
    & skf18("2","1","7","5","1","9","1") = "8"
    & skf18("2","1","7","5","1","10","1") = "9"
    & skf18("2","1","7","5","2","1","1") = "6"
    & skf18("2","1","7","5","2","2","1") = "6"
    & skf18("2","1","7","5","2","3","1") = "6"
    & skf18("2","1","7","5","2","4","1") = "6"
    & skf18("2","1","7","5","2","5","1") = "6"
    & skf18("2","1","7","5","2","6","1") = "6"
    & skf18("2","1","7","5","2","7","1") = "6"
    & skf18("2","1","7","5","2","8","1") = "7"
    & skf18("2","1","7","5","2","9","1") = "8"
    & skf18("2","1","7","5","2","10","1") = "9"
    & skf18("2","1","7","5","3","1","1") = "6"
    & skf18("2","1","7","5","3","2","1") = "6"
    & skf18("2","1","7","5","3","3","1") = "6"
    & skf18("2","1","7","5","3","4","1") = "6"
    & skf18("2","1","7","5","3","5","1") = "6"
    & skf18("2","1","7","5","3","6","1") = "6"
    & skf18("2","1","7","5","3","7","1") = "6"
    & skf18("2","1","7","5","3","8","1") = "7"
    & skf18("2","1","7","5","3","9","1") = "8"
    & skf18("2","1","7","5","3","10","1") = "9"
    & skf18("2","1","7","5","4","1","1") = "6"
    & skf18("2","1","7","5","4","2","1") = "6"
    & skf18("2","1","7","5","4","3","1") = "6"
    & skf18("2","1","7","5","4","4","1") = "6"
    & skf18("2","1","7","5","4","5","1") = "6"
    & skf18("2","1","7","5","4","6","1") = "6"
    & skf18("2","1","7","5","4","7","1") = "6"
    & skf18("2","1","7","5","4","8","1") = "7"
    & skf18("2","1","7","5","4","9","1") = "8"
    & skf18("2","1","7","5","4","10","1") = "9"
    & skf18("2","1","7","5","5","1","1") = "6"
    & skf18("2","1","7","5","5","2","1") = "6"
    & skf18("2","1","7","5","5","3","1") = "6"
    & skf18("2","1","7","5","5","4","1") = "6"
    & skf18("2","1","7","5","5","5","1") = "6"
    & skf18("2","1","7","5","5","6","1") = "6"
    & skf18("2","1","7","5","5","7","1") = "6"
    & skf18("2","1","7","5","5","8","1") = "7"
    & skf18("2","1","7","5","5","9","1") = "8"
    & skf18("2","1","7","5","5","10","1") = "9"
    & skf18("2","1","7","5","6","1","1") = "6"
    & skf18("2","1","7","5","6","2","1") = "6"
    & skf18("2","1","7","5","6","3","1") = "6"
    & skf18("2","1","7","5","6","4","1") = "6"
    & skf18("2","1","7","5","6","5","1") = "6"
    & skf18("2","1","7","5","6","6","1") = "6"
    & skf18("2","1","7","5","6","7","1") = "6"
    & skf18("2","1","7","5","6","8","1") = "7"
    & skf18("2","1","7","5","6","9","1") = "8"
    & skf18("2","1","7","5","6","10","1") = "9"
    & skf18("2","1","7","5","7","1","1") = "6"
    & skf18("2","1","7","5","7","2","1") = "6"
    & skf18("2","1","7","5","7","3","1") = "6"
    & skf18("2","1","7","5","7","4","1") = "6"
    & skf18("2","1","7","5","7","5","1") = "6"
    & skf18("2","1","7","5","7","6","1") = "6"
    & skf18("2","1","7","5","7","7","1") = "6"
    & skf18("2","1","7","5","7","8","1") = "7"
    & skf18("2","1","7","5","7","9","1") = "8"
    & skf18("2","1","7","5","7","10","1") = "9"
    & skf18("2","1","7","5","8","1","1") = "7"
    & skf18("2","1","7","5","8","2","1") = "7"
    & skf18("2","1","7","5","8","3","1") = "7"
    & skf18("2","1","7","5","8","4","1") = "7"
    & skf18("2","1","7","5","8","5","1") = "7"
    & skf18("2","1","7","5","8","6","1") = "7"
    & skf18("2","1","7","5","8","7","1") = "7"
    & skf18("2","1","7","5","8","8","1") = "7"
    & skf18("2","1","7","5","8","9","1") = "8"
    & skf18("2","1","7","5","8","10","1") = "9"
    & skf18("2","1","7","5","9","1","1") = "8"
    & skf18("2","1","7","5","9","2","1") = "8"
    & skf18("2","1","7","5","9","3","1") = "8"
    & skf18("2","1","7","5","9","4","1") = "8"
    & skf18("2","1","7","5","9","5","1") = "8"
    & skf18("2","1","7","5","9","6","1") = "8"
    & skf18("2","1","7","5","9","7","1") = "8"
    & skf18("2","1","7","5","9","8","1") = "8"
    & skf18("2","1","7","5","9","9","1") = "8"
    & skf18("2","1","7","5","9","10","1") = "9"
    & skf18("2","1","7","5","10","1","1") = "9"
    & skf18("2","1","7","5","10","2","1") = "9"
    & skf18("2","1","7","5","10","3","1") = "9"
    & skf18("2","1","7","5","10","4","1") = "9"
    & skf18("2","1","7","5","10","5","1") = "9"
    & skf18("2","1","7","5","10","6","1") = "9"
    & skf18("2","1","7","5","10","7","1") = "9"
    & skf18("2","1","7","5","10","8","1") = "9"
    & skf18("2","1","7","5","10","9","1") = "9"
    & skf18("2","1","7","5","10","10","1") = "9"
    & skf18("2","1","7","6","1","1","1") = "6"
    & skf18("2","1","7","6","1","2","1") = "6"
    & skf18("2","1","7","6","1","3","1") = "6"
    & skf18("2","1","7","6","1","4","1") = "6"
    & skf18("2","1","7","6","1","5","1") = "6"
    & skf18("2","1","7","6","1","6","1") = "6"
    & skf18("2","1","7","6","1","7","1") = "6"
    & skf18("2","1","7","6","1","8","1") = "7"
    & skf18("2","1","7","6","1","9","1") = "8"
    & skf18("2","1","7","6","1","10","1") = "9"
    & skf18("2","1","7","6","2","1","1") = "6"
    & skf18("2","1","7","6","2","2","1") = "6"
    & skf18("2","1","7","6","2","3","1") = "6"
    & skf18("2","1","7","6","2","4","1") = "6"
    & skf18("2","1","7","6","2","5","1") = "6"
    & skf18("2","1","7","6","2","6","1") = "6"
    & skf18("2","1","7","6","2","7","1") = "6"
    & skf18("2","1","7","6","2","8","1") = "7"
    & skf18("2","1","7","6","2","9","1") = "8"
    & skf18("2","1","7","6","2","10","1") = "9"
    & skf18("2","1","7","6","3","1","1") = "6"
    & skf18("2","1","7","6","3","2","1") = "6"
    & skf18("2","1","7","6","3","3","1") = "6"
    & skf18("2","1","7","6","3","4","1") = "6"
    & skf18("2","1","7","6","3","5","1") = "6"
    & skf18("2","1","7","6","3","6","1") = "6"
    & skf18("2","1","7","6","3","7","1") = "6"
    & skf18("2","1","7","6","3","8","1") = "7"
    & skf18("2","1","7","6","3","9","1") = "8"
    & skf18("2","1","7","6","3","10","1") = "9"
    & skf18("2","1","7","6","4","1","1") = "6"
    & skf18("2","1","7","6","4","2","1") = "6"
    & skf18("2","1","7","6","4","3","1") = "6"
    & skf18("2","1","7","6","4","4","1") = "6"
    & skf18("2","1","7","6","4","5","1") = "6"
    & skf18("2","1","7","6","4","6","1") = "6"
    & skf18("2","1","7","6","4","7","1") = "6"
    & skf18("2","1","7","6","4","8","1") = "7"
    & skf18("2","1","7","6","4","9","1") = "8"
    & skf18("2","1","7","6","4","10","1") = "9"
    & skf18("2","1","7","6","5","1","1") = "6"
    & skf18("2","1","7","6","5","2","1") = "6"
    & skf18("2","1","7","6","5","3","1") = "6"
    & skf18("2","1","7","6","5","4","1") = "6"
    & skf18("2","1","7","6","5","5","1") = "6"
    & skf18("2","1","7","6","5","6","1") = "6"
    & skf18("2","1","7","6","5","7","1") = "6"
    & skf18("2","1","7","6","5","8","1") = "7"
    & skf18("2","1","7","6","5","9","1") = "8"
    & skf18("2","1","7","6","5","10","1") = "9"
    & skf18("2","1","7","6","6","1","1") = "6"
    & skf18("2","1","7","6","6","2","1") = "6"
    & skf18("2","1","7","6","6","3","1") = "6"
    & skf18("2","1","7","6","6","4","1") = "6"
    & skf18("2","1","7","6","6","5","1") = "6"
    & skf18("2","1","7","6","6","6","1") = "6"
    & skf18("2","1","7","6","6","7","1") = "6"
    & skf18("2","1","7","6","6","8","1") = "7"
    & skf18("2","1","7","6","6","9","1") = "8"
    & skf18("2","1","7","6","6","10","1") = "9"
    & skf18("2","1","7","6","7","1","1") = "6"
    & skf18("2","1","7","6","7","2","1") = "6"
    & skf18("2","1","7","6","7","3","1") = "6"
    & skf18("2","1","7","6","7","4","1") = "6"
    & skf18("2","1","7","6","7","5","1") = "6"
    & skf18("2","1","7","6","7","6","1") = "6"
    & skf18("2","1","7","6","7","7","1") = "6"
    & skf18("2","1","7","6","7","8","1") = "7"
    & skf18("2","1","7","6","7","9","1") = "8"
    & skf18("2","1","7","6","7","10","1") = "9"
    & skf18("2","1","7","6","8","1","1") = "7"
    & skf18("2","1","7","6","8","2","1") = "7"
    & skf18("2","1","7","6","8","3","1") = "7"
    & skf18("2","1","7","6","8","4","1") = "7"
    & skf18("2","1","7","6","8","5","1") = "7"
    & skf18("2","1","7","6","8","6","1") = "7"
    & skf18("2","1","7","6","8","7","1") = "7"
    & skf18("2","1","7","6","8","8","1") = "7"
    & skf18("2","1","7","6","8","9","1") = "8"
    & skf18("2","1","7","6","8","10","1") = "9"
    & skf18("2","1","7","6","9","1","1") = "8"
    & skf18("2","1","7","6","9","2","1") = "8"
    & skf18("2","1","7","6","9","3","1") = "8"
    & skf18("2","1","7","6","9","4","1") = "8"
    & skf18("2","1","7","6","9","5","1") = "8"
    & skf18("2","1","7","6","9","6","1") = "8"
    & skf18("2","1","7","6","9","7","1") = "8"
    & skf18("2","1","7","6","9","8","1") = "8"
    & skf18("2","1","7","6","9","9","1") = "8"
    & skf18("2","1","7","6","9","10","1") = "9"
    & skf18("2","1","7","6","10","1","1") = "9"
    & skf18("2","1","7","6","10","2","1") = "9"
    & skf18("2","1","7","6","10","3","1") = "9"
    & skf18("2","1","7","6","10","4","1") = "9"
    & skf18("2","1","7","6","10","5","1") = "9"
    & skf18("2","1","7","6","10","6","1") = "9"
    & skf18("2","1","7","6","10","7","1") = "9"
    & skf18("2","1","7","6","10","8","1") = "9"
    & skf18("2","1","7","6","10","9","1") = "9"
    & skf18("2","1","7","6","10","10","1") = "9"
    & skf18("2","1","7","7","1","1","1") = "6"
    & skf18("2","1","7","7","1","2","1") = "6"
    & skf18("2","1","7","7","1","3","1") = "6"
    & skf18("2","1","7","7","1","4","1") = "6"
    & skf18("2","1","7","7","1","5","1") = "6"
    & skf18("2","1","7","7","1","6","1") = "6"
    & skf18("2","1","7","7","1","7","1") = "6"
    & skf18("2","1","7","7","1","8","1") = "7"
    & skf18("2","1","7","7","1","9","1") = "8"
    & skf18("2","1","7","7","1","10","1") = "9"
    & skf18("2","1","7","7","2","1","1") = "6"
    & skf18("2","1","7","7","2","2","1") = "6"
    & skf18("2","1","7","7","2","3","1") = "6"
    & skf18("2","1","7","7","2","4","1") = "6"
    & skf18("2","1","7","7","2","5","1") = "6"
    & skf18("2","1","7","7","2","6","1") = "6"
    & skf18("2","1","7","7","2","7","1") = "6"
    & skf18("2","1","7","7","2","8","1") = "7"
    & skf18("2","1","7","7","2","9","1") = "8"
    & skf18("2","1","7","7","2","10","1") = "9"
    & skf18("2","1","7","7","3","1","1") = "6"
    & skf18("2","1","7","7","3","2","1") = "6"
    & skf18("2","1","7","7","3","3","1") = "6"
    & skf18("2","1","7","7","3","4","1") = "6"
    & skf18("2","1","7","7","3","5","1") = "6"
    & skf18("2","1","7","7","3","6","1") = "6"
    & skf18("2","1","7","7","3","7","1") = "6"
    & skf18("2","1","7","7","3","8","1") = "7"
    & skf18("2","1","7","7","3","9","1") = "8"
    & skf18("2","1","7","7","3","10","1") = "9"
    & skf18("2","1","7","7","4","1","1") = "6"
    & skf18("2","1","7","7","4","2","1") = "6"
    & skf18("2","1","7","7","4","3","1") = "6"
    & skf18("2","1","7","7","4","4","1") = "6"
    & skf18("2","1","7","7","4","5","1") = "6"
    & skf18("2","1","7","7","4","6","1") = "6"
    & skf18("2","1","7","7","4","7","1") = "6"
    & skf18("2","1","7","7","4","8","1") = "7"
    & skf18("2","1","7","7","4","9","1") = "8"
    & skf18("2","1","7","7","4","10","1") = "9"
    & skf18("2","1","7","7","5","1","1") = "6"
    & skf18("2","1","7","7","5","2","1") = "6"
    & skf18("2","1","7","7","5","3","1") = "6"
    & skf18("2","1","7","7","5","4","1") = "6"
    & skf18("2","1","7","7","5","5","1") = "6"
    & skf18("2","1","7","7","5","6","1") = "6"
    & skf18("2","1","7","7","5","7","1") = "6"
    & skf18("2","1","7","7","5","8","1") = "7"
    & skf18("2","1","7","7","5","9","1") = "8"
    & skf18("2","1","7","7","5","10","1") = "9"
    & skf18("2","1","7","7","6","1","1") = "6"
    & skf18("2","1","7","7","6","2","1") = "6"
    & skf18("2","1","7","7","6","3","1") = "6"
    & skf18("2","1","7","7","6","4","1") = "6"
    & skf18("2","1","7","7","6","5","1") = "6"
    & skf18("2","1","7","7","6","6","1") = "6"
    & skf18("2","1","7","7","6","7","1") = "6"
    & skf18("2","1","7","7","6","8","1") = "7"
    & skf18("2","1","7","7","6","9","1") = "8"
    & skf18("2","1","7","7","6","10","1") = "9"
    & skf18("2","1","7","7","7","1","1") = "6"
    & skf18("2","1","7","7","7","2","1") = "6"
    & skf18("2","1","7","7","7","3","1") = "6"
    & skf18("2","1","7","7","7","4","1") = "6"
    & skf18("2","1","7","7","7","5","1") = "6"
    & skf18("2","1","7","7","7","6","1") = "6"
    & skf18("2","1","7","7","7","7","1") = "6"
    & skf18("2","1","7","7","7","8","1") = "7"
    & skf18("2","1","7","7","7","9","1") = "8"
    & skf18("2","1","7","7","7","10","1") = "9"
    & skf18("2","1","7","7","8","1","1") = "7"
    & skf18("2","1","7","7","8","2","1") = "7"
    & skf18("2","1","7","7","8","3","1") = "7"
    & skf18("2","1","7","7","8","4","1") = "7"
    & skf18("2","1","7","7","8","5","1") = "7"
    & skf18("2","1","7","7","8","6","1") = "7"
    & skf18("2","1","7","7","8","7","1") = "7"
    & skf18("2","1","7","7","8","8","1") = "7"
    & skf18("2","1","7","7","8","9","1") = "8"
    & skf18("2","1","7","7","8","10","1") = "9"
    & skf18("2","1","7","7","9","1","1") = "8"
    & skf18("2","1","7","7","9","2","1") = "8"
    & skf18("2","1","7","7","9","3","1") = "8"
    & skf18("2","1","7","7","9","4","1") = "8"
    & skf18("2","1","7","7","9","5","1") = "8"
    & skf18("2","1","7","7","9","6","1") = "8"
    & skf18("2","1","7","7","9","7","1") = "8"
    & skf18("2","1","7","7","9","8","1") = "8"
    & skf18("2","1","7","7","9","9","1") = "8"
    & skf18("2","1","7","7","9","10","1") = "9"
    & skf18("2","1","7","7","10","1","1") = "9"
    & skf18("2","1","7","7","10","2","1") = "9"
    & skf18("2","1","7","7","10","3","1") = "9"
    & skf18("2","1","7","7","10","4","1") = "9"
    & skf18("2","1","7","7","10","5","1") = "9"
    & skf18("2","1","7","7","10","6","1") = "9"
    & skf18("2","1","7","7","10","7","1") = "9"
    & skf18("2","1","7","7","10","8","1") = "9"
    & skf18("2","1","7","7","10","9","1") = "9"
    & skf18("2","1","7","7","10","10","1") = "9"
    & skf18("2","1","7","8","1","1","1") = "7"
    & skf18("2","1","7","8","1","2","1") = "7"
    & skf18("2","1","7","8","1","3","1") = "7"
    & skf18("2","1","7","8","1","4","1") = "7"
    & skf18("2","1","7","8","1","5","1") = "7"
    & skf18("2","1","7","8","1","6","1") = "7"
    & skf18("2","1","7","8","1","7","1") = "7"
    & skf18("2","1","7","8","1","8","1") = "7"
    & skf18("2","1","7","8","1","9","1") = "8"
    & skf18("2","1","7","8","1","10","1") = "9"
    & skf18("2","1","7","8","2","1","1") = "7"
    & skf18("2","1","7","8","2","2","1") = "7"
    & skf18("2","1","7","8","2","3","1") = "7"
    & skf18("2","1","7","8","2","4","1") = "7"
    & skf18("2","1","7","8","2","5","1") = "7"
    & skf18("2","1","7","8","2","6","1") = "7"
    & skf18("2","1","7","8","2","7","1") = "7"
    & skf18("2","1","7","8","2","8","1") = "7"
    & skf18("2","1","7","8","2","9","1") = "8"
    & skf18("2","1","7","8","2","10","1") = "9"
    & skf18("2","1","7","8","3","1","1") = "7"
    & skf18("2","1","7","8","3","2","1") = "7"
    & skf18("2","1","7","8","3","3","1") = "7"
    & skf18("2","1","7","8","3","4","1") = "7"
    & skf18("2","1","7","8","3","5","1") = "7"
    & skf18("2","1","7","8","3","6","1") = "7"
    & skf18("2","1","7","8","3","7","1") = "7"
    & skf18("2","1","7","8","3","8","1") = "7"
    & skf18("2","1","7","8","3","9","1") = "8"
    & skf18("2","1","7","8","3","10","1") = "9"
    & skf18("2","1","7","8","4","1","1") = "7"
    & skf18("2","1","7","8","4","2","1") = "7"
    & skf18("2","1","7","8","4","3","1") = "7"
    & skf18("2","1","7","8","4","4","1") = "7"
    & skf18("2","1","7","8","4","5","1") = "7"
    & skf18("2","1","7","8","4","6","1") = "7"
    & skf18("2","1","7","8","4","7","1") = "7"
    & skf18("2","1","7","8","4","8","1") = "7"
    & skf18("2","1","7","8","4","9","1") = "8"
    & skf18("2","1","7","8","4","10","1") = "9"
    & skf18("2","1","7","8","5","1","1") = "7"
    & skf18("2","1","7","8","5","2","1") = "7"
    & skf18("2","1","7","8","5","3","1") = "7"
    & skf18("2","1","7","8","5","4","1") = "7"
    & skf18("2","1","7","8","5","5","1") = "7"
    & skf18("2","1","7","8","5","6","1") = "7"
    & skf18("2","1","7","8","5","7","1") = "7"
    & skf18("2","1","7","8","5","8","1") = "7"
    & skf18("2","1","7","8","5","9","1") = "8"
    & skf18("2","1","7","8","5","10","1") = "9"
    & skf18("2","1","7","8","6","1","1") = "7"
    & skf18("2","1","7","8","6","2","1") = "7"
    & skf18("2","1","7","8","6","3","1") = "7"
    & skf18("2","1","7","8","6","4","1") = "7"
    & skf18("2","1","7","8","6","5","1") = "7"
    & skf18("2","1","7","8","6","6","1") = "7"
    & skf18("2","1","7","8","6","7","1") = "7"
    & skf18("2","1","7","8","6","8","1") = "7"
    & skf18("2","1","7","8","6","9","1") = "8"
    & skf18("2","1","7","8","6","10","1") = "9"
    & skf18("2","1","7","8","7","1","1") = "7"
    & skf18("2","1","7","8","7","2","1") = "7"
    & skf18("2","1","7","8","7","3","1") = "7"
    & skf18("2","1","7","8","7","4","1") = "7"
    & skf18("2","1","7","8","7","5","1") = "7"
    & skf18("2","1","7","8","7","6","1") = "7"
    & skf18("2","1","7","8","7","7","1") = "7"
    & skf18("2","1","7","8","7","8","1") = "7"
    & skf18("2","1","7","8","7","9","1") = "8"
    & skf18("2","1","7","8","7","10","1") = "9"
    & skf18("2","1","7","8","8","1","1") = "7"
    & skf18("2","1","7","8","8","2","1") = "7"
    & skf18("2","1","7","8","8","3","1") = "7"
    & skf18("2","1","7","8","8","4","1") = "7"
    & skf18("2","1","7","8","8","5","1") = "7"
    & skf18("2","1","7","8","8","6","1") = "7"
    & skf18("2","1","7","8","8","7","1") = "7"
    & skf18("2","1","7","8","8","8","1") = "7"
    & skf18("2","1","7","8","8","9","1") = "8"
    & skf18("2","1","7","8","8","10","1") = "9"
    & skf18("2","1","7","8","9","1","1") = "8"
    & skf18("2","1","7","8","9","2","1") = "8"
    & skf18("2","1","7","8","9","3","1") = "8"
    & skf18("2","1","7","8","9","4","1") = "8"
    & skf18("2","1","7","8","9","5","1") = "8"
    & skf18("2","1","7","8","9","6","1") = "8"
    & skf18("2","1","7","8","9","7","1") = "8"
    & skf18("2","1","7","8","9","8","1") = "8"
    & skf18("2","1","7","8","9","9","1") = "8"
    & skf18("2","1","7","8","9","10","1") = "9"
    & skf18("2","1","7","8","10","1","1") = "9"
    & skf18("2","1","7","8","10","2","1") = "9"
    & skf18("2","1","7","8","10","3","1") = "9"
    & skf18("2","1","7","8","10","4","1") = "9"
    & skf18("2","1","7","8","10","5","1") = "9"
    & skf18("2","1","7","8","10","6","1") = "9"
    & skf18("2","1","7","8","10","7","1") = "9"
    & skf18("2","1","7","8","10","8","1") = "9"
    & skf18("2","1","7","8","10","9","1") = "9"
    & skf18("2","1","7","8","10","10","1") = "9"
    & skf18("2","1","7","9","1","1","1") = "8"
    & skf18("2","1","7","9","1","2","1") = "8"
    & skf18("2","1","7","9","1","3","1") = "8"
    & skf18("2","1","7","9","1","4","1") = "8"
    & skf18("2","1","7","9","1","5","1") = "8"
    & skf18("2","1","7","9","1","6","1") = "8"
    & skf18("2","1","7","9","1","7","1") = "8"
    & skf18("2","1","7","9","1","8","1") = "8"
    & skf18("2","1","7","9","1","9","1") = "8"
    & skf18("2","1","7","9","1","10","1") = "9"
    & skf18("2","1","7","9","2","1","1") = "8"
    & skf18("2","1","7","9","2","2","1") = "8"
    & skf18("2","1","7","9","2","3","1") = "8"
    & skf18("2","1","7","9","2","4","1") = "8"
    & skf18("2","1","7","9","2","5","1") = "8"
    & skf18("2","1","7","9","2","6","1") = "8"
    & skf18("2","1","7","9","2","7","1") = "8"
    & skf18("2","1","7","9","2","8","1") = "8"
    & skf18("2","1","7","9","2","9","1") = "8"
    & skf18("2","1","7","9","2","10","1") = "9"
    & skf18("2","1","7","9","3","1","1") = "8"
    & skf18("2","1","7","9","3","2","1") = "8"
    & skf18("2","1","7","9","3","3","1") = "8"
    & skf18("2","1","7","9","3","4","1") = "8"
    & skf18("2","1","7","9","3","5","1") = "8"
    & skf18("2","1","7","9","3","6","1") = "8"
    & skf18("2","1","7","9","3","7","1") = "8"
    & skf18("2","1","7","9","3","8","1") = "8"
    & skf18("2","1","7","9","3","9","1") = "8"
    & skf18("2","1","7","9","3","10","1") = "9"
    & skf18("2","1","7","9","4","1","1") = "8"
    & skf18("2","1","7","9","4","2","1") = "8"
    & skf18("2","1","7","9","4","3","1") = "8"
    & skf18("2","1","7","9","4","4","1") = "8"
    & skf18("2","1","7","9","4","5","1") = "8"
    & skf18("2","1","7","9","4","6","1") = "8"
    & skf18("2","1","7","9","4","7","1") = "8"
    & skf18("2","1","7","9","4","8","1") = "8"
    & skf18("2","1","7","9","4","9","1") = "8"
    & skf18("2","1","7","9","4","10","1") = "9"
    & skf18("2","1","7","9","5","1","1") = "8"
    & skf18("2","1","7","9","5","2","1") = "8"
    & skf18("2","1","7","9","5","3","1") = "8"
    & skf18("2","1","7","9","5","4","1") = "8"
    & skf18("2","1","7","9","5","5","1") = "8"
    & skf18("2","1","7","9","5","6","1") = "8"
    & skf18("2","1","7","9","5","7","1") = "8"
    & skf18("2","1","7","9","5","8","1") = "8"
    & skf18("2","1","7","9","5","9","1") = "8"
    & skf18("2","1","7","9","5","10","1") = "9"
    & skf18("2","1","7","9","6","1","1") = "8"
    & skf18("2","1","7","9","6","2","1") = "8"
    & skf18("2","1","7","9","6","3","1") = "8"
    & skf18("2","1","7","9","6","4","1") = "8"
    & skf18("2","1","7","9","6","5","1") = "8"
    & skf18("2","1","7","9","6","6","1") = "8"
    & skf18("2","1","7","9","6","7","1") = "8"
    & skf18("2","1","7","9","6","8","1") = "8"
    & skf18("2","1","7","9","6","9","1") = "8"
    & skf18("2","1","7","9","6","10","1") = "9"
    & skf18("2","1","7","9","7","1","1") = "8"
    & skf18("2","1","7","9","7","2","1") = "8"
    & skf18("2","1","7","9","7","3","1") = "8"
    & skf18("2","1","7","9","7","4","1") = "8"
    & skf18("2","1","7","9","7","5","1") = "8"
    & skf18("2","1","7","9","7","6","1") = "8"
    & skf18("2","1","7","9","7","7","1") = "8"
    & skf18("2","1","7","9","7","8","1") = "8"
    & skf18("2","1","7","9","7","9","1") = "8"
    & skf18("2","1","7","9","7","10","1") = "9"
    & skf18("2","1","7","9","8","1","1") = "8"
    & skf18("2","1","7","9","8","2","1") = "8"
    & skf18("2","1","7","9","8","3","1") = "8"
    & skf18("2","1","7","9","8","4","1") = "8"
    & skf18("2","1","7","9","8","5","1") = "8"
    & skf18("2","1","7","9","8","6","1") = "8"
    & skf18("2","1","7","9","8","7","1") = "8"
    & skf18("2","1","7","9","8","8","1") = "8"
    & skf18("2","1","7","9","8","9","1") = "8"
    & skf18("2","1","7","9","8","10","1") = "9"
    & skf18("2","1","7","9","9","1","1") = "8"
    & skf18("2","1","7","9","9","2","1") = "8"
    & skf18("2","1","7","9","9","3","1") = "8"
    & skf18("2","1","7","9","9","4","1") = "8"
    & skf18("2","1","7","9","9","5","1") = "8"
    & skf18("2","1","7","9","9","6","1") = "8"
    & skf18("2","1","7","9","9","7","1") = "8"
    & skf18("2","1","7","9","9","8","1") = "8"
    & skf18("2","1","7","9","9","9","1") = "8"
    & skf18("2","1","7","9","9","10","1") = "9"
    & skf18("2","1","7","9","10","1","1") = "9"
    & skf18("2","1","7","9","10","2","1") = "9"
    & skf18("2","1","7","9","10","3","1") = "9"
    & skf18("2","1","7","9","10","4","1") = "9"
    & skf18("2","1","7","9","10","5","1") = "9"
    & skf18("2","1","7","9","10","6","1") = "9"
    & skf18("2","1","7","9","10","7","1") = "9"
    & skf18("2","1","7","9","10","8","1") = "9"
    & skf18("2","1","7","9","10","9","1") = "9"
    & skf18("2","1","7","9","10","10","1") = "9"
    & skf18("2","1","7","10","1","1","1") = "9"
    & skf18("2","1","7","10","1","2","1") = "9"
    & skf18("2","1","7","10","1","3","1") = "9"
    & skf18("2","1","7","10","1","4","1") = "9"
    & skf18("2","1","7","10","1","5","1") = "9"
    & skf18("2","1","7","10","1","6","1") = "9"
    & skf18("2","1","7","10","1","7","1") = "9"
    & skf18("2","1","7","10","1","8","1") = "9"
    & skf18("2","1","7","10","1","9","1") = "9"
    & skf18("2","1","7","10","1","10","1") = "9"
    & skf18("2","1","7","10","2","1","1") = "9"
    & skf18("2","1","7","10","2","2","1") = "9"
    & skf18("2","1","7","10","2","3","1") = "9"
    & skf18("2","1","7","10","2","4","1") = "9"
    & skf18("2","1","7","10","2","5","1") = "9"
    & skf18("2","1","7","10","2","6","1") = "9"
    & skf18("2","1","7","10","2","7","1") = "9"
    & skf18("2","1","7","10","2","8","1") = "9"
    & skf18("2","1","7","10","2","9","1") = "9"
    & skf18("2","1","7","10","2","10","1") = "9"
    & skf18("2","1","7","10","3","1","1") = "9"
    & skf18("2","1","7","10","3","2","1") = "9"
    & skf18("2","1","7","10","3","3","1") = "9"
    & skf18("2","1","7","10","3","4","1") = "9"
    & skf18("2","1","7","10","3","5","1") = "9"
    & skf18("2","1","7","10","3","6","1") = "9"
    & skf18("2","1","7","10","3","7","1") = "9"
    & skf18("2","1","7","10","3","8","1") = "9"
    & skf18("2","1","7","10","3","9","1") = "9"
    & skf18("2","1","7","10","3","10","1") = "9"
    & skf18("2","1","7","10","4","1","1") = "9"
    & skf18("2","1","7","10","4","2","1") = "9"
    & skf18("2","1","7","10","4","3","1") = "9"
    & skf18("2","1","7","10","4","4","1") = "9"
    & skf18("2","1","7","10","4","5","1") = "9"
    & skf18("2","1","7","10","4","6","1") = "9"
    & skf18("2","1","7","10","4","7","1") = "9"
    & skf18("2","1","7","10","4","8","1") = "9"
    & skf18("2","1","7","10","4","9","1") = "9"
    & skf18("2","1","7","10","4","10","1") = "9"
    & skf18("2","1","7","10","5","1","1") = "9"
    & skf18("2","1","7","10","5","2","1") = "9"
    & skf18("2","1","7","10","5","3","1") = "9"
    & skf18("2","1","7","10","5","4","1") = "9"
    & skf18("2","1","7","10","5","5","1") = "9"
    & skf18("2","1","7","10","5","6","1") = "9"
    & skf18("2","1","7","10","5","7","1") = "9"
    & skf18("2","1","7","10","5","8","1") = "9"
    & skf18("2","1","7","10","5","9","1") = "9"
    & skf18("2","1","7","10","5","10","1") = "9"
    & skf18("2","1","7","10","6","1","1") = "9"
    & skf18("2","1","7","10","6","2","1") = "9"
    & skf18("2","1","7","10","6","3","1") = "9"
    & skf18("2","1","7","10","6","4","1") = "9"
    & skf18("2","1","7","10","6","5","1") = "9"
    & skf18("2","1","7","10","6","6","1") = "9"
    & skf18("2","1","7","10","6","7","1") = "9"
    & skf18("2","1","7","10","6","8","1") = "9"
    & skf18("2","1","7","10","6","9","1") = "9"
    & skf18("2","1","7","10","6","10","1") = "9"
    & skf18("2","1","7","10","7","1","1") = "9"
    & skf18("2","1","7","10","7","2","1") = "9"
    & skf18("2","1","7","10","7","3","1") = "9"
    & skf18("2","1","7","10","7","4","1") = "9"
    & skf18("2","1","7","10","7","5","1") = "9"
    & skf18("2","1","7","10","7","6","1") = "9"
    & skf18("2","1","7","10","7","7","1") = "9"
    & skf18("2","1","7","10","7","8","1") = "9"
    & skf18("2","1","7","10","7","9","1") = "9"
    & skf18("2","1","7","10","7","10","1") = "9"
    & skf18("2","1","7","10","8","1","1") = "9"
    & skf18("2","1","7","10","8","2","1") = "9"
    & skf18("2","1","7","10","8","3","1") = "9"
    & skf18("2","1","7","10","8","4","1") = "9"
    & skf18("2","1","7","10","8","5","1") = "9"
    & skf18("2","1","7","10","8","6","1") = "9"
    & skf18("2","1","7","10","8","7","1") = "9"
    & skf18("2","1","7","10","8","8","1") = "9"
    & skf18("2","1","7","10","8","9","1") = "9"
    & skf18("2","1","7","10","8","10","1") = "9"
    & skf18("2","1","7","10","9","1","1") = "9"
    & skf18("2","1","7","10","9","2","1") = "9"
    & skf18("2","1","7","10","9","3","1") = "9"
    & skf18("2","1","7","10","9","4","1") = "9"
    & skf18("2","1","7","10","9","5","1") = "9"
    & skf18("2","1","7","10","9","6","1") = "9"
    & skf18("2","1","7","10","9","7","1") = "9"
    & skf18("2","1","7","10","9","8","1") = "9"
    & skf18("2","1","7","10","9","9","1") = "9"
    & skf18("2","1","7","10","9","10","1") = "9"
    & skf18("2","1","7","10","10","1","1") = "9"
    & skf18("2","1","7","10","10","2","1") = "9"
    & skf18("2","1","7","10","10","3","1") = "9"
    & skf18("2","1","7","10","10","4","1") = "9"
    & skf18("2","1","7","10","10","5","1") = "9"
    & skf18("2","1","7","10","10","6","1") = "9"
    & skf18("2","1","7","10","10","7","1") = "9"
    & skf18("2","1","7","10","10","8","1") = "9"
    & skf18("2","1","7","10","10","9","1") = "9"
    & skf18("2","1","7","10","10","10","1") = "9"
    & skf18("2","1","8","1","1","1","1") = "7"
    & skf18("2","1","8","1","1","2","1") = "7"
    & skf18("2","1","8","1","1","3","1") = "7"
    & skf18("2","1","8","1","1","4","1") = "7"
    & skf18("2","1","8","1","1","5","1") = "7"
    & skf18("2","1","8","1","1","6","1") = "7"
    & skf18("2","1","8","1","1","7","1") = "7"
    & skf18("2","1","8","1","1","8","1") = "7"
    & skf18("2","1","8","1","1","9","1") = "8"
    & skf18("2","1","8","1","1","10","1") = "9"
    & skf18("2","1","8","1","2","1","1") = "7"
    & skf18("2","1","8","1","2","2","1") = "7"
    & skf18("2","1","8","1","2","3","1") = "7"
    & skf18("2","1","8","1","2","4","1") = "7"
    & skf18("2","1","8","1","2","5","1") = "7"
    & skf18("2","1","8","1","2","6","1") = "7"
    & skf18("2","1","8","1","2","7","1") = "7"
    & skf18("2","1","8","1","2","8","1") = "7"
    & skf18("2","1","8","1","2","9","1") = "8"
    & skf18("2","1","8","1","2","10","1") = "9"
    & skf18("2","1","8","1","3","1","1") = "7"
    & skf18("2","1","8","1","3","2","1") = "7"
    & skf18("2","1","8","1","3","3","1") = "7"
    & skf18("2","1","8","1","3","4","1") = "7"
    & skf18("2","1","8","1","3","5","1") = "7"
    & skf18("2","1","8","1","3","6","1") = "7"
    & skf18("2","1","8","1","3","7","1") = "7"
    & skf18("2","1","8","1","3","8","1") = "7"
    & skf18("2","1","8","1","3","9","1") = "8"
    & skf18("2","1","8","1","3","10","1") = "9"
    & skf18("2","1","8","1","4","1","1") = "7"
    & skf18("2","1","8","1","4","2","1") = "7"
    & skf18("2","1","8","1","4","3","1") = "7"
    & skf18("2","1","8","1","4","4","1") = "7"
    & skf18("2","1","8","1","4","5","1") = "7"
    & skf18("2","1","8","1","4","6","1") = "7"
    & skf18("2","1","8","1","4","7","1") = "7"
    & skf18("2","1","8","1","4","8","1") = "7"
    & skf18("2","1","8","1","4","9","1") = "8"
    & skf18("2","1","8","1","4","10","1") = "9"
    & skf18("2","1","8","1","5","1","1") = "7"
    & skf18("2","1","8","1","5","2","1") = "7"
    & skf18("2","1","8","1","5","3","1") = "7"
    & skf18("2","1","8","1","5","4","1") = "7"
    & skf18("2","1","8","1","5","5","1") = "7"
    & skf18("2","1","8","1","5","6","1") = "7"
    & skf18("2","1","8","1","5","7","1") = "7"
    & skf18("2","1","8","1","5","8","1") = "7"
    & skf18("2","1","8","1","5","9","1") = "8"
    & skf18("2","1","8","1","5","10","1") = "9"
    & skf18("2","1","8","1","6","1","1") = "7"
    & skf18("2","1","8","1","6","2","1") = "7"
    & skf18("2","1","8","1","6","3","1") = "7"
    & skf18("2","1","8","1","6","4","1") = "7"
    & skf18("2","1","8","1","6","5","1") = "7"
    & skf18("2","1","8","1","6","6","1") = "7"
    & skf18("2","1","8","1","6","7","1") = "7"
    & skf18("2","1","8","1","6","8","1") = "7"
    & skf18("2","1","8","1","6","9","1") = "8"
    & skf18("2","1","8","1","6","10","1") = "9"
    & skf18("2","1","8","1","7","1","1") = "7"
    & skf18("2","1","8","1","7","2","1") = "7"
    & skf18("2","1","8","1","7","3","1") = "7"
    & skf18("2","1","8","1","7","4","1") = "7"
    & skf18("2","1","8","1","7","5","1") = "7"
    & skf18("2","1","8","1","7","6","1") = "7"
    & skf18("2","1","8","1","7","7","1") = "7"
    & skf18("2","1","8","1","7","8","1") = "7"
    & skf18("2","1","8","1","7","9","1") = "8"
    & skf18("2","1","8","1","7","10","1") = "9"
    & skf18("2","1","8","1","8","1","1") = "7"
    & skf18("2","1","8","1","8","2","1") = "7"
    & skf18("2","1","8","1","8","3","1") = "7"
    & skf18("2","1","8","1","8","4","1") = "7"
    & skf18("2","1","8","1","8","5","1") = "7"
    & skf18("2","1","8","1","8","6","1") = "7"
    & skf18("2","1","8","1","8","7","1") = "7"
    & skf18("2","1","8","1","8","8","1") = "7"
    & skf18("2","1","8","1","8","9","1") = "8"
    & skf18("2","1","8","1","8","10","1") = "9"
    & skf18("2","1","8","1","9","1","1") = "8"
    & skf18("2","1","8","1","9","2","1") = "8"
    & skf18("2","1","8","1","9","3","1") = "8"
    & skf18("2","1","8","1","9","4","1") = "8"
    & skf18("2","1","8","1","9","5","1") = "8"
    & skf18("2","1","8","1","9","6","1") = "8"
    & skf18("2","1","8","1","9","7","1") = "8"
    & skf18("2","1","8","1","9","8","1") = "8"
    & skf18("2","1","8","1","9","9","1") = "8"
    & skf18("2","1","8","1","9","10","1") = "9"
    & skf18("2","1","8","1","10","1","1") = "9"
    & skf18("2","1","8","1","10","2","1") = "9"
    & skf18("2","1","8","1","10","3","1") = "9"
    & skf18("2","1","8","1","10","4","1") = "9"
    & skf18("2","1","8","1","10","5","1") = "9"
    & skf18("2","1","8","1","10","6","1") = "9"
    & skf18("2","1","8","1","10","7","1") = "9"
    & skf18("2","1","8","1","10","8","1") = "9"
    & skf18("2","1","8","1","10","9","1") = "9"
    & skf18("2","1","8","1","10","10","1") = "9"
    & skf18("2","1","8","2","1","1","1") = "7"
    & skf18("2","1","8","2","1","2","1") = "7"
    & skf18("2","1","8","2","1","3","1") = "7"
    & skf18("2","1","8","2","1","4","1") = "7"
    & skf18("2","1","8","2","1","5","1") = "7"
    & skf18("2","1","8","2","1","6","1") = "7"
    & skf18("2","1","8","2","1","7","1") = "7"
    & skf18("2","1","8","2","1","8","1") = "7"
    & skf18("2","1","8","2","1","9","1") = "8"
    & skf18("2","1","8","2","1","10","1") = "9"
    & skf18("2","1","8","2","2","1","1") = "7"
    & skf18("2","1","8","2","2","2","1") = "7"
    & skf18("2","1","8","2","2","3","1") = "7"
    & skf18("2","1","8","2","2","4","1") = "7"
    & skf18("2","1","8","2","2","5","1") = "7"
    & skf18("2","1","8","2","2","6","1") = "7"
    & skf18("2","1","8","2","2","7","1") = "7"
    & skf18("2","1","8","2","2","8","1") = "7"
    & skf18("2","1","8","2","2","9","1") = "8"
    & skf18("2","1","8","2","2","10","1") = "9"
    & skf18("2","1","8","2","3","1","1") = "7"
    & skf18("2","1","8","2","3","2","1") = "7"
    & skf18("2","1","8","2","3","3","1") = "7"
    & skf18("2","1","8","2","3","4","1") = "7"
    & skf18("2","1","8","2","3","5","1") = "7"
    & skf18("2","1","8","2","3","6","1") = "7"
    & skf18("2","1","8","2","3","7","1") = "7"
    & skf18("2","1","8","2","3","8","1") = "7"
    & skf18("2","1","8","2","3","9","1") = "8"
    & skf18("2","1","8","2","3","10","1") = "9"
    & skf18("2","1","8","2","4","1","1") = "7"
    & skf18("2","1","8","2","4","2","1") = "7"
    & skf18("2","1","8","2","4","3","1") = "7"
    & skf18("2","1","8","2","4","4","1") = "7"
    & skf18("2","1","8","2","4","5","1") = "7"
    & skf18("2","1","8","2","4","6","1") = "7"
    & skf18("2","1","8","2","4","7","1") = "7"
    & skf18("2","1","8","2","4","8","1") = "7"
    & skf18("2","1","8","2","4","9","1") = "8"
    & skf18("2","1","8","2","4","10","1") = "9"
    & skf18("2","1","8","2","5","1","1") = "7"
    & skf18("2","1","8","2","5","2","1") = "7"
    & skf18("2","1","8","2","5","3","1") = "7"
    & skf18("2","1","8","2","5","4","1") = "7"
    & skf18("2","1","8","2","5","5","1") = "7"
    & skf18("2","1","8","2","5","6","1") = "7"
    & skf18("2","1","8","2","5","7","1") = "7"
    & skf18("2","1","8","2","5","8","1") = "7"
    & skf18("2","1","8","2","5","9","1") = "8"
    & skf18("2","1","8","2","5","10","1") = "9"
    & skf18("2","1","8","2","6","1","1") = "7"
    & skf18("2","1","8","2","6","2","1") = "7"
    & skf18("2","1","8","2","6","3","1") = "7"
    & skf18("2","1","8","2","6","4","1") = "7"
    & skf18("2","1","8","2","6","5","1") = "7"
    & skf18("2","1","8","2","6","6","1") = "7"
    & skf18("2","1","8","2","6","7","1") = "7"
    & skf18("2","1","8","2","6","8","1") = "7"
    & skf18("2","1","8","2","6","9","1") = "8"
    & skf18("2","1","8","2","6","10","1") = "9"
    & skf18("2","1","8","2","7","1","1") = "7"
    & skf18("2","1","8","2","7","2","1") = "7"
    & skf18("2","1","8","2","7","3","1") = "7"
    & skf18("2","1","8","2","7","4","1") = "7"
    & skf18("2","1","8","2","7","5","1") = "7"
    & skf18("2","1","8","2","7","6","1") = "7"
    & skf18("2","1","8","2","7","7","1") = "7"
    & skf18("2","1","8","2","7","8","1") = "7"
    & skf18("2","1","8","2","7","9","1") = "8"
    & skf18("2","1","8","2","7","10","1") = "9"
    & skf18("2","1","8","2","8","1","1") = "7"
    & skf18("2","1","8","2","8","2","1") = "7"
    & skf18("2","1","8","2","8","3","1") = "7"
    & skf18("2","1","8","2","8","4","1") = "7"
    & skf18("2","1","8","2","8","5","1") = "7"
    & skf18("2","1","8","2","8","6","1") = "7"
    & skf18("2","1","8","2","8","7","1") = "7"
    & skf18("2","1","8","2","8","8","1") = "7"
    & skf18("2","1","8","2","8","9","1") = "8"
    & skf18("2","1","8","2","8","10","1") = "9"
    & skf18("2","1","8","2","9","1","1") = "8"
    & skf18("2","1","8","2","9","2","1") = "8"
    & skf18("2","1","8","2","9","3","1") = "8"
    & skf18("2","1","8","2","9","4","1") = "8"
    & skf18("2","1","8","2","9","5","1") = "8"
    & skf18("2","1","8","2","9","6","1") = "8"
    & skf18("2","1","8","2","9","7","1") = "8"
    & skf18("2","1","8","2","9","8","1") = "8"
    & skf18("2","1","8","2","9","9","1") = "8"
    & skf18("2","1","8","2","9","10","1") = "9"
    & skf18("2","1","8","2","10","1","1") = "9"
    & skf18("2","1","8","2","10","2","1") = "9"
    & skf18("2","1","8","2","10","3","1") = "9"
    & skf18("2","1","8","2","10","4","1") = "9"
    & skf18("2","1","8","2","10","5","1") = "9"
    & skf18("2","1","8","2","10","6","1") = "9"
    & skf18("2","1","8","2","10","7","1") = "9"
    & skf18("2","1","8","2","10","8","1") = "9"
    & skf18("2","1","8","2","10","9","1") = "9"
    & skf18("2","1","8","2","10","10","1") = "9"
    & skf18("2","1","8","3","1","1","1") = "7"
    & skf18("2","1","8","3","1","2","1") = "7"
    & skf18("2","1","8","3","1","3","1") = "7"
    & skf18("2","1","8","3","1","4","1") = "7"
    & skf18("2","1","8","3","1","5","1") = "7"
    & skf18("2","1","8","3","1","6","1") = "7"
    & skf18("2","1","8","3","1","7","1") = "7"
    & skf18("2","1","8","3","1","8","1") = "7"
    & skf18("2","1","8","3","1","9","1") = "8"
    & skf18("2","1","8","3","1","10","1") = "9"
    & skf18("2","1","8","3","2","1","1") = "7"
    & skf18("2","1","8","3","2","2","1") = "7"
    & skf18("2","1","8","3","2","3","1") = "7"
    & skf18("2","1","8","3","2","4","1") = "7"
    & skf18("2","1","8","3","2","5","1") = "7"
    & skf18("2","1","8","3","2","6","1") = "7"
    & skf18("2","1","8","3","2","7","1") = "7"
    & skf18("2","1","8","3","2","8","1") = "7"
    & skf18("2","1","8","3","2","9","1") = "8"
    & skf18("2","1","8","3","2","10","1") = "9"
    & skf18("2","1","8","3","3","1","1") = "7"
    & skf18("2","1","8","3","3","2","1") = "7"
    & skf18("2","1","8","3","3","3","1") = "7"
    & skf18("2","1","8","3","3","4","1") = "7"
    & skf18("2","1","8","3","3","5","1") = "7"
    & skf18("2","1","8","3","3","6","1") = "7"
    & skf18("2","1","8","3","3","7","1") = "7"
    & skf18("2","1","8","3","3","8","1") = "7"
    & skf18("2","1","8","3","3","9","1") = "8"
    & skf18("2","1","8","3","3","10","1") = "9"
    & skf18("2","1","8","3","4","1","1") = "7"
    & skf18("2","1","8","3","4","2","1") = "7"
    & skf18("2","1","8","3","4","3","1") = "7"
    & skf18("2","1","8","3","4","4","1") = "7"
    & skf18("2","1","8","3","4","5","1") = "7"
    & skf18("2","1","8","3","4","6","1") = "7"
    & skf18("2","1","8","3","4","7","1") = "7"
    & skf18("2","1","8","3","4","8","1") = "7"
    & skf18("2","1","8","3","4","9","1") = "8"
    & skf18("2","1","8","3","4","10","1") = "9"
    & skf18("2","1","8","3","5","1","1") = "7"
    & skf18("2","1","8","3","5","2","1") = "7"
    & skf18("2","1","8","3","5","3","1") = "7"
    & skf18("2","1","8","3","5","4","1") = "7"
    & skf18("2","1","8","3","5","5","1") = "7"
    & skf18("2","1","8","3","5","6","1") = "7"
    & skf18("2","1","8","3","5","7","1") = "7"
    & skf18("2","1","8","3","5","8","1") = "7"
    & skf18("2","1","8","3","5","9","1") = "8"
    & skf18("2","1","8","3","5","10","1") = "9"
    & skf18("2","1","8","3","6","1","1") = "7"
    & skf18("2","1","8","3","6","2","1") = "7"
    & skf18("2","1","8","3","6","3","1") = "7"
    & skf18("2","1","8","3","6","4","1") = "7"
    & skf18("2","1","8","3","6","5","1") = "7"
    & skf18("2","1","8","3","6","6","1") = "7"
    & skf18("2","1","8","3","6","7","1") = "7"
    & skf18("2","1","8","3","6","8","1") = "7"
    & skf18("2","1","8","3","6","9","1") = "8"
    & skf18("2","1","8","3","6","10","1") = "9"
    & skf18("2","1","8","3","7","1","1") = "7"
    & skf18("2","1","8","3","7","2","1") = "7"
    & skf18("2","1","8","3","7","3","1") = "7"
    & skf18("2","1","8","3","7","4","1") = "7"
    & skf18("2","1","8","3","7","5","1") = "7"
    & skf18("2","1","8","3","7","6","1") = "7"
    & skf18("2","1","8","3","7","7","1") = "7"
    & skf18("2","1","8","3","7","8","1") = "7"
    & skf18("2","1","8","3","7","9","1") = "8"
    & skf18("2","1","8","3","7","10","1") = "9"
    & skf18("2","1","8","3","8","1","1") = "7"
    & skf18("2","1","8","3","8","2","1") = "7"
    & skf18("2","1","8","3","8","3","1") = "7"
    & skf18("2","1","8","3","8","4","1") = "7"
    & skf18("2","1","8","3","8","5","1") = "7"
    & skf18("2","1","8","3","8","6","1") = "7"
    & skf18("2","1","8","3","8","7","1") = "7"
    & skf18("2","1","8","3","8","8","1") = "7"
    & skf18("2","1","8","3","8","9","1") = "8"
    & skf18("2","1","8","3","8","10","1") = "9"
    & skf18("2","1","8","3","9","1","1") = "8"
    & skf18("2","1","8","3","9","2","1") = "8"
    & skf18("2","1","8","3","9","3","1") = "8"
    & skf18("2","1","8","3","9","4","1") = "8"
    & skf18("2","1","8","3","9","5","1") = "8"
    & skf18("2","1","8","3","9","6","1") = "8"
    & skf18("2","1","8","3","9","7","1") = "8"
    & skf18("2","1","8","3","9","8","1") = "8"
    & skf18("2","1","8","3","9","9","1") = "8"
    & skf18("2","1","8","3","9","10","1") = "9"
    & skf18("2","1","8","3","10","1","1") = "9"
    & skf18("2","1","8","3","10","2","1") = "9"
    & skf18("2","1","8","3","10","3","1") = "9"
    & skf18("2","1","8","3","10","4","1") = "9"
    & skf18("2","1","8","3","10","5","1") = "9"
    & skf18("2","1","8","3","10","6","1") = "9"
    & skf18("2","1","8","3","10","7","1") = "9"
    & skf18("2","1","8","3","10","8","1") = "9"
    & skf18("2","1","8","3","10","9","1") = "9"
    & skf18("2","1","8","3","10","10","1") = "9"
    & skf18("2","1","8","4","1","1","1") = "7"
    & skf18("2","1","8","4","1","2","1") = "7"
    & skf18("2","1","8","4","1","3","1") = "7"
    & skf18("2","1","8","4","1","4","1") = "7"
    & skf18("2","1","8","4","1","5","1") = "7"
    & skf18("2","1","8","4","1","6","1") = "7"
    & skf18("2","1","8","4","1","7","1") = "7"
    & skf18("2","1","8","4","1","8","1") = "7"
    & skf18("2","1","8","4","1","9","1") = "8"
    & skf18("2","1","8","4","1","10","1") = "9"
    & skf18("2","1","8","4","2","1","1") = "7"
    & skf18("2","1","8","4","2","2","1") = "7"
    & skf18("2","1","8","4","2","3","1") = "7"
    & skf18("2","1","8","4","2","4","1") = "7"
    & skf18("2","1","8","4","2","5","1") = "7"
    & skf18("2","1","8","4","2","6","1") = "7"
    & skf18("2","1","8","4","2","7","1") = "7"
    & skf18("2","1","8","4","2","8","1") = "7"
    & skf18("2","1","8","4","2","9","1") = "8"
    & skf18("2","1","8","4","2","10","1") = "9"
    & skf18("2","1","8","4","3","1","1") = "7"
    & skf18("2","1","8","4","3","2","1") = "7"
    & skf18("2","1","8","4","3","3","1") = "7"
    & skf18("2","1","8","4","3","4","1") = "7"
    & skf18("2","1","8","4","3","5","1") = "7"
    & skf18("2","1","8","4","3","6","1") = "7"
    & skf18("2","1","8","4","3","7","1") = "7"
    & skf18("2","1","8","4","3","8","1") = "7"
    & skf18("2","1","8","4","3","9","1") = "8"
    & skf18("2","1","8","4","3","10","1") = "9"
    & skf18("2","1","8","4","4","1","1") = "7"
    & skf18("2","1","8","4","4","2","1") = "7"
    & skf18("2","1","8","4","4","3","1") = "7"
    & skf18("2","1","8","4","4","4","1") = "7"
    & skf18("2","1","8","4","4","5","1") = "7"
    & skf18("2","1","8","4","4","6","1") = "7"
    & skf18("2","1","8","4","4","7","1") = "7"
    & skf18("2","1","8","4","4","8","1") = "7"
    & skf18("2","1","8","4","4","9","1") = "8"
    & skf18("2","1","8","4","4","10","1") = "9"
    & skf18("2","1","8","4","5","1","1") = "7"
    & skf18("2","1","8","4","5","2","1") = "7"
    & skf18("2","1","8","4","5","3","1") = "7"
    & skf18("2","1","8","4","5","4","1") = "7"
    & skf18("2","1","8","4","5","5","1") = "7"
    & skf18("2","1","8","4","5","6","1") = "7"
    & skf18("2","1","8","4","5","7","1") = "7"
    & skf18("2","1","8","4","5","8","1") = "7"
    & skf18("2","1","8","4","5","9","1") = "8"
    & skf18("2","1","8","4","5","10","1") = "9"
    & skf18("2","1","8","4","6","1","1") = "7"
    & skf18("2","1","8","4","6","2","1") = "7"
    & skf18("2","1","8","4","6","3","1") = "7"
    & skf18("2","1","8","4","6","4","1") = "7"
    & skf18("2","1","8","4","6","5","1") = "7"
    & skf18("2","1","8","4","6","6","1") = "7"
    & skf18("2","1","8","4","6","7","1") = "7"
    & skf18("2","1","8","4","6","8","1") = "7"
    & skf18("2","1","8","4","6","9","1") = "8"
    & skf18("2","1","8","4","6","10","1") = "9"
    & skf18("2","1","8","4","7","1","1") = "7"
    & skf18("2","1","8","4","7","2","1") = "7"
    & skf18("2","1","8","4","7","3","1") = "7"
    & skf18("2","1","8","4","7","4","1") = "7"
    & skf18("2","1","8","4","7","5","1") = "7"
    & skf18("2","1","8","4","7","6","1") = "7"
    & skf18("2","1","8","4","7","7","1") = "7"
    & skf18("2","1","8","4","7","8","1") = "7"
    & skf18("2","1","8","4","7","9","1") = "8"
    & skf18("2","1","8","4","7","10","1") = "9"
    & skf18("2","1","8","4","8","1","1") = "7"
    & skf18("2","1","8","4","8","2","1") = "7"
    & skf18("2","1","8","4","8","3","1") = "7"
    & skf18("2","1","8","4","8","4","1") = "7"
    & skf18("2","1","8","4","8","5","1") = "7"
    & skf18("2","1","8","4","8","6","1") = "7"
    & skf18("2","1","8","4","8","7","1") = "7"
    & skf18("2","1","8","4","8","8","1") = "7"
    & skf18("2","1","8","4","8","9","1") = "8"
    & skf18("2","1","8","4","8","10","1") = "9"
    & skf18("2","1","8","4","9","1","1") = "8"
    & skf18("2","1","8","4","9","2","1") = "8"
    & skf18("2","1","8","4","9","3","1") = "8"
    & skf18("2","1","8","4","9","4","1") = "8"
    & skf18("2","1","8","4","9","5","1") = "8"
    & skf18("2","1","8","4","9","6","1") = "8"
    & skf18("2","1","8","4","9","7","1") = "8"
    & skf18("2","1","8","4","9","8","1") = "8"
    & skf18("2","1","8","4","9","9","1") = "8"
    & skf18("2","1","8","4","9","10","1") = "9"
    & skf18("2","1","8","4","10","1","1") = "9"
    & skf18("2","1","8","4","10","2","1") = "9"
    & skf18("2","1","8","4","10","3","1") = "9"
    & skf18("2","1","8","4","10","4","1") = "9"
    & skf18("2","1","8","4","10","5","1") = "9"
    & skf18("2","1","8","4","10","6","1") = "9"
    & skf18("2","1","8","4","10","7","1") = "9"
    & skf18("2","1","8","4","10","8","1") = "9"
    & skf18("2","1","8","4","10","9","1") = "9"
    & skf18("2","1","8","4","10","10","1") = "9"
    & skf18("2","1","8","5","1","1","1") = "7"
    & skf18("2","1","8","5","1","2","1") = "7"
    & skf18("2","1","8","5","1","3","1") = "7"
    & skf18("2","1","8","5","1","4","1") = "7"
    & skf18("2","1","8","5","1","5","1") = "7"
    & skf18("2","1","8","5","1","6","1") = "7"
    & skf18("2","1","8","5","1","7","1") = "7"
    & skf18("2","1","8","5","1","8","1") = "7"
    & skf18("2","1","8","5","1","9","1") = "8"
    & skf18("2","1","8","5","1","10","1") = "9"
    & skf18("2","1","8","5","2","1","1") = "7"
    & skf18("2","1","8","5","2","2","1") = "7"
    & skf18("2","1","8","5","2","3","1") = "7"
    & skf18("2","1","8","5","2","4","1") = "7"
    & skf18("2","1","8","5","2","5","1") = "7"
    & skf18("2","1","8","5","2","6","1") = "7"
    & skf18("2","1","8","5","2","7","1") = "7"
    & skf18("2","1","8","5","2","8","1") = "7"
    & skf18("2","1","8","5","2","9","1") = "8"
    & skf18("2","1","8","5","2","10","1") = "9"
    & skf18("2","1","8","5","3","1","1") = "7"
    & skf18("2","1","8","5","3","2","1") = "7"
    & skf18("2","1","8","5","3","3","1") = "7"
    & skf18("2","1","8","5","3","4","1") = "7"
    & skf18("2","1","8","5","3","5","1") = "7"
    & skf18("2","1","8","5","3","6","1") = "7"
    & skf18("2","1","8","5","3","7","1") = "7"
    & skf18("2","1","8","5","3","8","1") = "7"
    & skf18("2","1","8","5","3","9","1") = "8"
    & skf18("2","1","8","5","3","10","1") = "9"
    & skf18("2","1","8","5","4","1","1") = "7"
    & skf18("2","1","8","5","4","2","1") = "7"
    & skf18("2","1","8","5","4","3","1") = "7"
    & skf18("2","1","8","5","4","4","1") = "7"
    & skf18("2","1","8","5","4","5","1") = "7"
    & skf18("2","1","8","5","4","6","1") = "7"
    & skf18("2","1","8","5","4","7","1") = "7"
    & skf18("2","1","8","5","4","8","1") = "7"
    & skf18("2","1","8","5","4","9","1") = "8"
    & skf18("2","1","8","5","4","10","1") = "9"
    & skf18("2","1","8","5","5","1","1") = "7"
    & skf18("2","1","8","5","5","2","1") = "7"
    & skf18("2","1","8","5","5","3","1") = "7"
    & skf18("2","1","8","5","5","4","1") = "7"
    & skf18("2","1","8","5","5","5","1") = "7"
    & skf18("2","1","8","5","5","6","1") = "7"
    & skf18("2","1","8","5","5","7","1") = "7"
    & skf18("2","1","8","5","5","8","1") = "7"
    & skf18("2","1","8","5","5","9","1") = "8"
    & skf18("2","1","8","5","5","10","1") = "9"
    & skf18("2","1","8","5","6","1","1") = "7"
    & skf18("2","1","8","5","6","2","1") = "7"
    & skf18("2","1","8","5","6","3","1") = "7"
    & skf18("2","1","8","5","6","4","1") = "7"
    & skf18("2","1","8","5","6","5","1") = "7"
    & skf18("2","1","8","5","6","6","1") = "7"
    & skf18("2","1","8","5","6","7","1") = "7"
    & skf18("2","1","8","5","6","8","1") = "7"
    & skf18("2","1","8","5","6","9","1") = "8"
    & skf18("2","1","8","5","6","10","1") = "9"
    & skf18("2","1","8","5","7","1","1") = "7"
    & skf18("2","1","8","5","7","2","1") = "7"
    & skf18("2","1","8","5","7","3","1") = "7"
    & skf18("2","1","8","5","7","4","1") = "7"
    & skf18("2","1","8","5","7","5","1") = "7"
    & skf18("2","1","8","5","7","6","1") = "7"
    & skf18("2","1","8","5","7","7","1") = "7"
    & skf18("2","1","8","5","7","8","1") = "7"
    & skf18("2","1","8","5","7","9","1") = "8"
    & skf18("2","1","8","5","7","10","1") = "9"
    & skf18("2","1","8","5","8","1","1") = "7"
    & skf18("2","1","8","5","8","2","1") = "7"
    & skf18("2","1","8","5","8","3","1") = "7"
    & skf18("2","1","8","5","8","4","1") = "7"
    & skf18("2","1","8","5","8","5","1") = "7"
    & skf18("2","1","8","5","8","6","1") = "7"
    & skf18("2","1","8","5","8","7","1") = "7"
    & skf18("2","1","8","5","8","8","1") = "7"
    & skf18("2","1","8","5","8","9","1") = "8"
    & skf18("2","1","8","5","8","10","1") = "9"
    & skf18("2","1","8","5","9","1","1") = "8"
    & skf18("2","1","8","5","9","2","1") = "8"
    & skf18("2","1","8","5","9","3","1") = "8"
    & skf18("2","1","8","5","9","4","1") = "8"
    & skf18("2","1","8","5","9","5","1") = "8"
    & skf18("2","1","8","5","9","6","1") = "8"
    & skf18("2","1","8","5","9","7","1") = "8"
    & skf18("2","1","8","5","9","8","1") = "8"
    & skf18("2","1","8","5","9","9","1") = "8"
    & skf18("2","1","8","5","9","10","1") = "9"
    & skf18("2","1","8","5","10","1","1") = "9"
    & skf18("2","1","8","5","10","2","1") = "9"
    & skf18("2","1","8","5","10","3","1") = "9"
    & skf18("2","1","8","5","10","4","1") = "9"
    & skf18("2","1","8","5","10","5","1") = "9"
    & skf18("2","1","8","5","10","6","1") = "9"
    & skf18("2","1","8","5","10","7","1") = "9"
    & skf18("2","1","8","5","10","8","1") = "9"
    & skf18("2","1","8","5","10","9","1") = "9"
    & skf18("2","1","8","5","10","10","1") = "9"
    & skf18("2","1","8","6","1","1","1") = "7"
    & skf18("2","1","8","6","1","2","1") = "7"
    & skf18("2","1","8","6","1","3","1") = "7"
    & skf18("2","1","8","6","1","4","1") = "7"
    & skf18("2","1","8","6","1","5","1") = "7"
    & skf18("2","1","8","6","1","6","1") = "7"
    & skf18("2","1","8","6","1","7","1") = "7"
    & skf18("2","1","8","6","1","8","1") = "7"
    & skf18("2","1","8","6","1","9","1") = "8"
    & skf18("2","1","8","6","1","10","1") = "9"
    & skf18("2","1","8","6","2","1","1") = "7"
    & skf18("2","1","8","6","2","2","1") = "7"
    & skf18("2","1","8","6","2","3","1") = "7"
    & skf18("2","1","8","6","2","4","1") = "7"
    & skf18("2","1","8","6","2","5","1") = "7"
    & skf18("2","1","8","6","2","6","1") = "7"
    & skf18("2","1","8","6","2","7","1") = "7"
    & skf18("2","1","8","6","2","8","1") = "7"
    & skf18("2","1","8","6","2","9","1") = "8"
    & skf18("2","1","8","6","2","10","1") = "9"
    & skf18("2","1","8","6","3","1","1") = "7"
    & skf18("2","1","8","6","3","2","1") = "7"
    & skf18("2","1","8","6","3","3","1") = "7"
    & skf18("2","1","8","6","3","4","1") = "7"
    & skf18("2","1","8","6","3","5","1") = "7"
    & skf18("2","1","8","6","3","6","1") = "7"
    & skf18("2","1","8","6","3","7","1") = "7"
    & skf18("2","1","8","6","3","8","1") = "7"
    & skf18("2","1","8","6","3","9","1") = "8"
    & skf18("2","1","8","6","3","10","1") = "9"
    & skf18("2","1","8","6","4","1","1") = "7"
    & skf18("2","1","8","6","4","2","1") = "7"
    & skf18("2","1","8","6","4","3","1") = "7"
    & skf18("2","1","8","6","4","4","1") = "7"
    & skf18("2","1","8","6","4","5","1") = "7"
    & skf18("2","1","8","6","4","6","1") = "7"
    & skf18("2","1","8","6","4","7","1") = "7"
    & skf18("2","1","8","6","4","8","1") = "7"
    & skf18("2","1","8","6","4","9","1") = "8"
    & skf18("2","1","8","6","4","10","1") = "9"
    & skf18("2","1","8","6","5","1","1") = "7"
    & skf18("2","1","8","6","5","2","1") = "7"
    & skf18("2","1","8","6","5","3","1") = "7"
    & skf18("2","1","8","6","5","4","1") = "7"
    & skf18("2","1","8","6","5","5","1") = "7"
    & skf18("2","1","8","6","5","6","1") = "7"
    & skf18("2","1","8","6","5","7","1") = "7"
    & skf18("2","1","8","6","5","8","1") = "7"
    & skf18("2","1","8","6","5","9","1") = "8"
    & skf18("2","1","8","6","5","10","1") = "9"
    & skf18("2","1","8","6","6","1","1") = "7"
    & skf18("2","1","8","6","6","2","1") = "7"
    & skf18("2","1","8","6","6","3","1") = "7"
    & skf18("2","1","8","6","6","4","1") = "7"
    & skf18("2","1","8","6","6","5","1") = "7"
    & skf18("2","1","8","6","6","6","1") = "7"
    & skf18("2","1","8","6","6","7","1") = "7"
    & skf18("2","1","8","6","6","8","1") = "7"
    & skf18("2","1","8","6","6","9","1") = "8"
    & skf18("2","1","8","6","6","10","1") = "9"
    & skf18("2","1","8","6","7","1","1") = "7"
    & skf18("2","1","8","6","7","2","1") = "7"
    & skf18("2","1","8","6","7","3","1") = "7"
    & skf18("2","1","8","6","7","4","1") = "7"
    & skf18("2","1","8","6","7","5","1") = "7"
    & skf18("2","1","8","6","7","6","1") = "7"
    & skf18("2","1","8","6","7","7","1") = "7"
    & skf18("2","1","8","6","7","8","1") = "7"
    & skf18("2","1","8","6","7","9","1") = "8"
    & skf18("2","1","8","6","7","10","1") = "9"
    & skf18("2","1","8","6","8","1","1") = "7"
    & skf18("2","1","8","6","8","2","1") = "7"
    & skf18("2","1","8","6","8","3","1") = "7"
    & skf18("2","1","8","6","8","4","1") = "7"
    & skf18("2","1","8","6","8","5","1") = "7"
    & skf18("2","1","8","6","8","6","1") = "7"
    & skf18("2","1","8","6","8","7","1") = "7"
    & skf18("2","1","8","6","8","8","1") = "7"
    & skf18("2","1","8","6","8","9","1") = "8"
    & skf18("2","1","8","6","8","10","1") = "9"
    & skf18("2","1","8","6","9","1","1") = "8"
    & skf18("2","1","8","6","9","2","1") = "8"
    & skf18("2","1","8","6","9","3","1") = "8"
    & skf18("2","1","8","6","9","4","1") = "8"
    & skf18("2","1","8","6","9","5","1") = "8"
    & skf18("2","1","8","6","9","6","1") = "8"
    & skf18("2","1","8","6","9","7","1") = "8"
    & skf18("2","1","8","6","9","8","1") = "8"
    & skf18("2","1","8","6","9","9","1") = "8"
    & skf18("2","1","8","6","9","10","1") = "9"
    & skf18("2","1","8","6","10","1","1") = "9"
    & skf18("2","1","8","6","10","2","1") = "9"
    & skf18("2","1","8","6","10","3","1") = "9"
    & skf18("2","1","8","6","10","4","1") = "9"
    & skf18("2","1","8","6","10","5","1") = "9"
    & skf18("2","1","8","6","10","6","1") = "9"
    & skf18("2","1","8","6","10","7","1") = "9"
    & skf18("2","1","8","6","10","8","1") = "9"
    & skf18("2","1","8","6","10","9","1") = "9"
    & skf18("2","1","8","6","10","10","1") = "9"
    & skf18("2","1","8","7","1","1","1") = "7"
    & skf18("2","1","8","7","1","2","1") = "7"
    & skf18("2","1","8","7","1","3","1") = "7"
    & skf18("2","1","8","7","1","4","1") = "7"
    & skf18("2","1","8","7","1","5","1") = "7"
    & skf18("2","1","8","7","1","6","1") = "7"
    & skf18("2","1","8","7","1","7","1") = "7"
    & skf18("2","1","8","7","1","8","1") = "7"
    & skf18("2","1","8","7","1","9","1") = "8"
    & skf18("2","1","8","7","1","10","1") = "9"
    & skf18("2","1","8","7","2","1","1") = "7"
    & skf18("2","1","8","7","2","2","1") = "7"
    & skf18("2","1","8","7","2","3","1") = "7"
    & skf18("2","1","8","7","2","4","1") = "7"
    & skf18("2","1","8","7","2","5","1") = "7"
    & skf18("2","1","8","7","2","6","1") = "7"
    & skf18("2","1","8","7","2","7","1") = "7"
    & skf18("2","1","8","7","2","8","1") = "7"
    & skf18("2","1","8","7","2","9","1") = "8"
    & skf18("2","1","8","7","2","10","1") = "9"
    & skf18("2","1","8","7","3","1","1") = "7"
    & skf18("2","1","8","7","3","2","1") = "7"
    & skf18("2","1","8","7","3","3","1") = "7"
    & skf18("2","1","8","7","3","4","1") = "7"
    & skf18("2","1","8","7","3","5","1") = "7"
    & skf18("2","1","8","7","3","6","1") = "7"
    & skf18("2","1","8","7","3","7","1") = "7"
    & skf18("2","1","8","7","3","8","1") = "7"
    & skf18("2","1","8","7","3","9","1") = "8"
    & skf18("2","1","8","7","3","10","1") = "9"
    & skf18("2","1","8","7","4","1","1") = "7"
    & skf18("2","1","8","7","4","2","1") = "7"
    & skf18("2","1","8","7","4","3","1") = "7"
    & skf18("2","1","8","7","4","4","1") = "7"
    & skf18("2","1","8","7","4","5","1") = "7"
    & skf18("2","1","8","7","4","6","1") = "7"
    & skf18("2","1","8","7","4","7","1") = "7"
    & skf18("2","1","8","7","4","8","1") = "7"
    & skf18("2","1","8","7","4","9","1") = "8"
    & skf18("2","1","8","7","4","10","1") = "9"
    & skf18("2","1","8","7","5","1","1") = "7"
    & skf18("2","1","8","7","5","2","1") = "7"
    & skf18("2","1","8","7","5","3","1") = "7"
    & skf18("2","1","8","7","5","4","1") = "7"
    & skf18("2","1","8","7","5","5","1") = "7"
    & skf18("2","1","8","7","5","6","1") = "7"
    & skf18("2","1","8","7","5","7","1") = "7"
    & skf18("2","1","8","7","5","8","1") = "7"
    & skf18("2","1","8","7","5","9","1") = "8"
    & skf18("2","1","8","7","5","10","1") = "9"
    & skf18("2","1","8","7","6","1","1") = "7"
    & skf18("2","1","8","7","6","2","1") = "7"
    & skf18("2","1","8","7","6","3","1") = "7"
    & skf18("2","1","8","7","6","4","1") = "7"
    & skf18("2","1","8","7","6","5","1") = "7"
    & skf18("2","1","8","7","6","6","1") = "7"
    & skf18("2","1","8","7","6","7","1") = "7"
    & skf18("2","1","8","7","6","8","1") = "7"
    & skf18("2","1","8","7","6","9","1") = "8"
    & skf18("2","1","8","7","6","10","1") = "9"
    & skf18("2","1","8","7","7","1","1") = "7"
    & skf18("2","1","8","7","7","2","1") = "7"
    & skf18("2","1","8","7","7","3","1") = "7"
    & skf18("2","1","8","7","7","4","1") = "7"
    & skf18("2","1","8","7","7","5","1") = "7"
    & skf18("2","1","8","7","7","6","1") = "7"
    & skf18("2","1","8","7","7","7","1") = "7"
    & skf18("2","1","8","7","7","8","1") = "7"
    & skf18("2","1","8","7","7","9","1") = "8"
    & skf18("2","1","8","7","7","10","1") = "9"
    & skf18("2","1","8","7","8","1","1") = "7"
    & skf18("2","1","8","7","8","2","1") = "7"
    & skf18("2","1","8","7","8","3","1") = "7"
    & skf18("2","1","8","7","8","4","1") = "7"
    & skf18("2","1","8","7","8","5","1") = "7"
    & skf18("2","1","8","7","8","6","1") = "7"
    & skf18("2","1","8","7","8","7","1") = "7"
    & skf18("2","1","8","7","8","8","1") = "7"
    & skf18("2","1","8","7","8","9","1") = "8"
    & skf18("2","1","8","7","8","10","1") = "9"
    & skf18("2","1","8","7","9","1","1") = "8"
    & skf18("2","1","8","7","9","2","1") = "8"
    & skf18("2","1","8","7","9","3","1") = "8"
    & skf18("2","1","8","7","9","4","1") = "8"
    & skf18("2","1","8","7","9","5","1") = "8"
    & skf18("2","1","8","7","9","6","1") = "8"
    & skf18("2","1","8","7","9","7","1") = "8"
    & skf18("2","1","8","7","9","8","1") = "8"
    & skf18("2","1","8","7","9","9","1") = "8"
    & skf18("2","1","8","7","9","10","1") = "9"
    & skf18("2","1","8","7","10","1","1") = "9"
    & skf18("2","1","8","7","10","2","1") = "9"
    & skf18("2","1","8","7","10","3","1") = "9"
    & skf18("2","1","8","7","10","4","1") = "9"
    & skf18("2","1","8","7","10","5","1") = "9"
    & skf18("2","1","8","7","10","6","1") = "9"
    & skf18("2","1","8","7","10","7","1") = "9"
    & skf18("2","1","8","7","10","8","1") = "9"
    & skf18("2","1","8","7","10","9","1") = "9"
    & skf18("2","1","8","7","10","10","1") = "9"
    & skf18("2","1","8","8","1","1","1") = "7"
    & skf18("2","1","8","8","1","2","1") = "7"
    & skf18("2","1","8","8","1","3","1") = "7"
    & skf18("2","1","8","8","1","4","1") = "7"
    & skf18("2","1","8","8","1","5","1") = "7"
    & skf18("2","1","8","8","1","6","1") = "7"
    & skf18("2","1","8","8","1","7","1") = "7"
    & skf18("2","1","8","8","1","8","1") = "7"
    & skf18("2","1","8","8","1","9","1") = "8"
    & skf18("2","1","8","8","1","10","1") = "9"
    & skf18("2","1","8","8","2","1","1") = "7"
    & skf18("2","1","8","8","2","2","1") = "7"
    & skf18("2","1","8","8","2","3","1") = "7"
    & skf18("2","1","8","8","2","4","1") = "7"
    & skf18("2","1","8","8","2","5","1") = "7"
    & skf18("2","1","8","8","2","6","1") = "7"
    & skf18("2","1","8","8","2","7","1") = "7"
    & skf18("2","1","8","8","2","8","1") = "7"
    & skf18("2","1","8","8","2","9","1") = "8"
    & skf18("2","1","8","8","2","10","1") = "9"
    & skf18("2","1","8","8","3","1","1") = "7"
    & skf18("2","1","8","8","3","2","1") = "7"
    & skf18("2","1","8","8","3","3","1") = "7"
    & skf18("2","1","8","8","3","4","1") = "7"
    & skf18("2","1","8","8","3","5","1") = "7"
    & skf18("2","1","8","8","3","6","1") = "7"
    & skf18("2","1","8","8","3","7","1") = "7"
    & skf18("2","1","8","8","3","8","1") = "7"
    & skf18("2","1","8","8","3","9","1") = "8"
    & skf18("2","1","8","8","3","10","1") = "9"
    & skf18("2","1","8","8","4","1","1") = "7"
    & skf18("2","1","8","8","4","2","1") = "7"
    & skf18("2","1","8","8","4","3","1") = "7"
    & skf18("2","1","8","8","4","4","1") = "7"
    & skf18("2","1","8","8","4","5","1") = "7"
    & skf18("2","1","8","8","4","6","1") = "7"
    & skf18("2","1","8","8","4","7","1") = "7"
    & skf18("2","1","8","8","4","8","1") = "7"
    & skf18("2","1","8","8","4","9","1") = "8"
    & skf18("2","1","8","8","4","10","1") = "9"
    & skf18("2","1","8","8","5","1","1") = "7"
    & skf18("2","1","8","8","5","2","1") = "7"
    & skf18("2","1","8","8","5","3","1") = "7"
    & skf18("2","1","8","8","5","4","1") = "7"
    & skf18("2","1","8","8","5","5","1") = "7"
    & skf18("2","1","8","8","5","6","1") = "7"
    & skf18("2","1","8","8","5","7","1") = "7"
    & skf18("2","1","8","8","5","8","1") = "7"
    & skf18("2","1","8","8","5","9","1") = "8"
    & skf18("2","1","8","8","5","10","1") = "9"
    & skf18("2","1","8","8","6","1","1") = "7"
    & skf18("2","1","8","8","6","2","1") = "7"
    & skf18("2","1","8","8","6","3","1") = "7"
    & skf18("2","1","8","8","6","4","1") = "7"
    & skf18("2","1","8","8","6","5","1") = "7"
    & skf18("2","1","8","8","6","6","1") = "7"
    & skf18("2","1","8","8","6","7","1") = "7"
    & skf18("2","1","8","8","6","8","1") = "7"
    & skf18("2","1","8","8","6","9","1") = "8"
    & skf18("2","1","8","8","6","10","1") = "9"
    & skf18("2","1","8","8","7","1","1") = "7"
    & skf18("2","1","8","8","7","2","1") = "7"
    & skf18("2","1","8","8","7","3","1") = "7"
    & skf18("2","1","8","8","7","4","1") = "7"
    & skf18("2","1","8","8","7","5","1") = "7"
    & skf18("2","1","8","8","7","6","1") = "7"
    & skf18("2","1","8","8","7","7","1") = "7"
    & skf18("2","1","8","8","7","8","1") = "7"
    & skf18("2","1","8","8","7","9","1") = "8"
    & skf18("2","1","8","8","7","10","1") = "9"
    & skf18("2","1","8","8","8","1","1") = "7"
    & skf18("2","1","8","8","8","2","1") = "7"
    & skf18("2","1","8","8","8","3","1") = "7"
    & skf18("2","1","8","8","8","4","1") = "7"
    & skf18("2","1","8","8","8","5","1") = "7"
    & skf18("2","1","8","8","8","6","1") = "7"
    & skf18("2","1","8","8","8","7","1") = "7"
    & skf18("2","1","8","8","8","8","1") = "7"
    & skf18("2","1","8","8","8","9","1") = "8"
    & skf18("2","1","8","8","8","10","1") = "9"
    & skf18("2","1","8","8","9","1","1") = "8"
    & skf18("2","1","8","8","9","2","1") = "8"
    & skf18("2","1","8","8","9","3","1") = "8"
    & skf18("2","1","8","8","9","4","1") = "8"
    & skf18("2","1","8","8","9","5","1") = "8"
    & skf18("2","1","8","8","9","6","1") = "8"
    & skf18("2","1","8","8","9","7","1") = "8"
    & skf18("2","1","8","8","9","8","1") = "8"
    & skf18("2","1","8","8","9","9","1") = "8"
    & skf18("2","1","8","8","9","10","1") = "9"
    & skf18("2","1","8","8","10","1","1") = "9"
    & skf18("2","1","8","8","10","2","1") = "9"
    & skf18("2","1","8","8","10","3","1") = "9"
    & skf18("2","1","8","8","10","4","1") = "9"
    & skf18("2","1","8","8","10","5","1") = "9"
    & skf18("2","1","8","8","10","6","1") = "9"
    & skf18("2","1","8","8","10","7","1") = "9"
    & skf18("2","1","8","8","10","8","1") = "9"
    & skf18("2","1","8","8","10","9","1") = "9"
    & skf18("2","1","8","8","10","10","1") = "9"
    & skf18("2","1","8","9","1","1","1") = "8"
    & skf18("2","1","8","9","1","2","1") = "8"
    & skf18("2","1","8","9","1","3","1") = "8"
    & skf18("2","1","8","9","1","4","1") = "8"
    & skf18("2","1","8","9","1","5","1") = "8"
    & skf18("2","1","8","9","1","6","1") = "8"
    & skf18("2","1","8","9","1","7","1") = "8"
    & skf18("2","1","8","9","1","8","1") = "8"
    & skf18("2","1","8","9","1","9","1") = "8"
    & skf18("2","1","8","9","1","10","1") = "9"
    & skf18("2","1","8","9","2","1","1") = "8"
    & skf18("2","1","8","9","2","2","1") = "8"
    & skf18("2","1","8","9","2","3","1") = "8"
    & skf18("2","1","8","9","2","4","1") = "8"
    & skf18("2","1","8","9","2","5","1") = "8"
    & skf18("2","1","8","9","2","6","1") = "8"
    & skf18("2","1","8","9","2","7","1") = "8"
    & skf18("2","1","8","9","2","8","1") = "8"
    & skf18("2","1","8","9","2","9","1") = "8"
    & skf18("2","1","8","9","2","10","1") = "9"
    & skf18("2","1","8","9","3","1","1") = "8"
    & skf18("2","1","8","9","3","2","1") = "8"
    & skf18("2","1","8","9","3","3","1") = "8"
    & skf18("2","1","8","9","3","4","1") = "8"
    & skf18("2","1","8","9","3","5","1") = "8"
    & skf18("2","1","8","9","3","6","1") = "8"
    & skf18("2","1","8","9","3","7","1") = "8"
    & skf18("2","1","8","9","3","8","1") = "8"
    & skf18("2","1","8","9","3","9","1") = "8"
    & skf18("2","1","8","9","3","10","1") = "9"
    & skf18("2","1","8","9","4","1","1") = "8"
    & skf18("2","1","8","9","4","2","1") = "8"
    & skf18("2","1","8","9","4","3","1") = "8"
    & skf18("2","1","8","9","4","4","1") = "8"
    & skf18("2","1","8","9","4","5","1") = "8"
    & skf18("2","1","8","9","4","6","1") = "8"
    & skf18("2","1","8","9","4","7","1") = "8"
    & skf18("2","1","8","9","4","8","1") = "8"
    & skf18("2","1","8","9","4","9","1") = "8"
    & skf18("2","1","8","9","4","10","1") = "9"
    & skf18("2","1","8","9","5","1","1") = "8"
    & skf18("2","1","8","9","5","2","1") = "8"
    & skf18("2","1","8","9","5","3","1") = "8"
    & skf18("2","1","8","9","5","4","1") = "8"
    & skf18("2","1","8","9","5","5","1") = "8"
    & skf18("2","1","8","9","5","6","1") = "8"
    & skf18("2","1","8","9","5","7","1") = "8"
    & skf18("2","1","8","9","5","8","1") = "8"
    & skf18("2","1","8","9","5","9","1") = "8"
    & skf18("2","1","8","9","5","10","1") = "9"
    & skf18("2","1","8","9","6","1","1") = "8"
    & skf18("2","1","8","9","6","2","1") = "8"
    & skf18("2","1","8","9","6","3","1") = "8"
    & skf18("2","1","8","9","6","4","1") = "8"
    & skf18("2","1","8","9","6","5","1") = "8"
    & skf18("2","1","8","9","6","6","1") = "8"
    & skf18("2","1","8","9","6","7","1") = "8"
    & skf18("2","1","8","9","6","8","1") = "8"
    & skf18("2","1","8","9","6","9","1") = "8"
    & skf18("2","1","8","9","6","10","1") = "9"
    & skf18("2","1","8","9","7","1","1") = "8"
    & skf18("2","1","8","9","7","2","1") = "8"
    & skf18("2","1","8","9","7","3","1") = "8"
    & skf18("2","1","8","9","7","4","1") = "8"
    & skf18("2","1","8","9","7","5","1") = "8"
    & skf18("2","1","8","9","7","6","1") = "8"
    & skf18("2","1","8","9","7","7","1") = "8"
    & skf18("2","1","8","9","7","8","1") = "8"
    & skf18("2","1","8","9","7","9","1") = "8"
    & skf18("2","1","8","9","7","10","1") = "9"
    & skf18("2","1","8","9","8","1","1") = "8"
    & skf18("2","1","8","9","8","2","1") = "8"
    & skf18("2","1","8","9","8","3","1") = "8"
    & skf18("2","1","8","9","8","4","1") = "8"
    & skf18("2","1","8","9","8","5","1") = "8"
    & skf18("2","1","8","9","8","6","1") = "8"
    & skf18("2","1","8","9","8","7","1") = "8"
    & skf18("2","1","8","9","8","8","1") = "8"
    & skf18("2","1","8","9","8","9","1") = "8"
    & skf18("2","1","8","9","8","10","1") = "9"
    & skf18("2","1","8","9","9","1","1") = "8"
    & skf18("2","1","8","9","9","2","1") = "8"
    & skf18("2","1","8","9","9","3","1") = "8"
    & skf18("2","1","8","9","9","4","1") = "8"
    & skf18("2","1","8","9","9","5","1") = "8"
    & skf18("2","1","8","9","9","6","1") = "8"
    & skf18("2","1","8","9","9","7","1") = "8"
    & skf18("2","1","8","9","9","8","1") = "8"
    & skf18("2","1","8","9","9","9","1") = "8"
    & skf18("2","1","8","9","9","10","1") = "9"
    & skf18("2","1","8","9","10","1","1") = "9"
    & skf18("2","1","8","9","10","2","1") = "9"
    & skf18("2","1","8","9","10","3","1") = "9"
    & skf18("2","1","8","9","10","4","1") = "9"
    & skf18("2","1","8","9","10","5","1") = "9"
    & skf18("2","1","8","9","10","6","1") = "9"
    & skf18("2","1","8","9","10","7","1") = "9"
    & skf18("2","1","8","9","10","8","1") = "9"
    & skf18("2","1","8","9","10","9","1") = "9"
    & skf18("2","1","8","9","10","10","1") = "9"
    & skf18("2","1","8","10","1","1","1") = "9"
    & skf18("2","1","8","10","1","2","1") = "9"
    & skf18("2","1","8","10","1","3","1") = "9"
    & skf18("2","1","8","10","1","4","1") = "9"
    & skf18("2","1","8","10","1","5","1") = "9"
    & skf18("2","1","8","10","1","6","1") = "9"
    & skf18("2","1","8","10","1","7","1") = "9"
    & skf18("2","1","8","10","1","8","1") = "9"
    & skf18("2","1","8","10","1","9","1") = "9"
    & skf18("2","1","8","10","1","10","1") = "9"
    & skf18("2","1","8","10","2","1","1") = "9"
    & skf18("2","1","8","10","2","2","1") = "9"
    & skf18("2","1","8","10","2","3","1") = "9"
    & skf18("2","1","8","10","2","4","1") = "9"
    & skf18("2","1","8","10","2","5","1") = "9"
    & skf18("2","1","8","10","2","6","1") = "9"
    & skf18("2","1","8","10","2","7","1") = "9"
    & skf18("2","1","8","10","2","8","1") = "9"
    & skf18("2","1","8","10","2","9","1") = "9"
    & skf18("2","1","8","10","2","10","1") = "9"
    & skf18("2","1","8","10","3","1","1") = "9"
    & skf18("2","1","8","10","3","2","1") = "9"
    & skf18("2","1","8","10","3","3","1") = "9"
    & skf18("2","1","8","10","3","4","1") = "9"
    & skf18("2","1","8","10","3","5","1") = "9"
    & skf18("2","1","8","10","3","6","1") = "9"
    & skf18("2","1","8","10","3","7","1") = "9"
    & skf18("2","1","8","10","3","8","1") = "9"
    & skf18("2","1","8","10","3","9","1") = "9"
    & skf18("2","1","8","10","3","10","1") = "9"
    & skf18("2","1","8","10","4","1","1") = "9"
    & skf18("2","1","8","10","4","2","1") = "9"
    & skf18("2","1","8","10","4","3","1") = "9"
    & skf18("2","1","8","10","4","4","1") = "9"
    & skf18("2","1","8","10","4","5","1") = "9"
    & skf18("2","1","8","10","4","6","1") = "9"
    & skf18("2","1","8","10","4","7","1") = "9"
    & skf18("2","1","8","10","4","8","1") = "9"
    & skf18("2","1","8","10","4","9","1") = "9"
    & skf18("2","1","8","10","4","10","1") = "9"
    & skf18("2","1","8","10","5","1","1") = "9"
    & skf18("2","1","8","10","5","2","1") = "9"
    & skf18("2","1","8","10","5","3","1") = "9"
    & skf18("2","1","8","10","5","4","1") = "9"
    & skf18("2","1","8","10","5","5","1") = "9"
    & skf18("2","1","8","10","5","6","1") = "9"
    & skf18("2","1","8","10","5","7","1") = "9"
    & skf18("2","1","8","10","5","8","1") = "9"
    & skf18("2","1","8","10","5","9","1") = "9"
    & skf18("2","1","8","10","5","10","1") = "9"
    & skf18("2","1","8","10","6","1","1") = "9"
    & skf18("2","1","8","10","6","2","1") = "9"
    & skf18("2","1","8","10","6","3","1") = "9"
    & skf18("2","1","8","10","6","4","1") = "9"
    & skf18("2","1","8","10","6","5","1") = "9"
    & skf18("2","1","8","10","6","6","1") = "9"
    & skf18("2","1","8","10","6","7","1") = "9"
    & skf18("2","1","8","10","6","8","1") = "9"
    & skf18("2","1","8","10","6","9","1") = "9"
    & skf18("2","1","8","10","6","10","1") = "9"
    & skf18("2","1","8","10","7","1","1") = "9"
    & skf18("2","1","8","10","7","2","1") = "9"
    & skf18("2","1","8","10","7","3","1") = "9"
    & skf18("2","1","8","10","7","4","1") = "9"
    & skf18("2","1","8","10","7","5","1") = "9"
    & skf18("2","1","8","10","7","6","1") = "9"
    & skf18("2","1","8","10","7","7","1") = "9"
    & skf18("2","1","8","10","7","8","1") = "9"
    & skf18("2","1","8","10","7","9","1") = "9"
    & skf18("2","1","8","10","7","10","1") = "9"
    & skf18("2","1","8","10","8","1","1") = "9"
    & skf18("2","1","8","10","8","2","1") = "9"
    & skf18("2","1","8","10","8","3","1") = "9"
    & skf18("2","1","8","10","8","4","1") = "9"
    & skf18("2","1","8","10","8","5","1") = "9"
    & skf18("2","1","8","10","8","6","1") = "9"
    & skf18("2","1","8","10","8","7","1") = "9"
    & skf18("2","1","8","10","8","8","1") = "9"
    & skf18("2","1","8","10","8","9","1") = "9"
    & skf18("2","1","8","10","8","10","1") = "9"
    & skf18("2","1","8","10","9","1","1") = "9"
    & skf18("2","1","8","10","9","2","1") = "9"
    & skf18("2","1","8","10","9","3","1") = "9"
    & skf18("2","1","8","10","9","4","1") = "9"
    & skf18("2","1","8","10","9","5","1") = "9"
    & skf18("2","1","8","10","9","6","1") = "9"
    & skf18("2","1","8","10","9","7","1") = "9"
    & skf18("2","1","8","10","9","8","1") = "9"
    & skf18("2","1","8","10","9","9","1") = "9"
    & skf18("2","1","8","10","9","10","1") = "9"
    & skf18("2","1","8","10","10","1","1") = "9"
    & skf18("2","1","8","10","10","2","1") = "9"
    & skf18("2","1","8","10","10","3","1") = "9"
    & skf18("2","1","8","10","10","4","1") = "9"
    & skf18("2","1","8","10","10","5","1") = "9"
    & skf18("2","1","8","10","10","6","1") = "9"
    & skf18("2","1","8","10","10","7","1") = "9"
    & skf18("2","1","8","10","10","8","1") = "9"
    & skf18("2","1","8","10","10","9","1") = "9"
    & skf18("2","1","8","10","10","10","1") = "9"
    & skf18("2","1","9","1","1","1","1") = "8"
    & skf18("2","1","9","1","1","2","1") = "8"
    & skf18("2","1","9","1","1","3","1") = "8"
    & skf18("2","1","9","1","1","4","1") = "8"
    & skf18("2","1","9","1","1","5","1") = "8"
    & skf18("2","1","9","1","1","6","1") = "8"
    & skf18("2","1","9","1","1","7","1") = "8"
    & skf18("2","1","9","1","1","8","1") = "8"
    & skf18("2","1","9","1","1","9","1") = "8"
    & skf18("2","1","9","1","1","10","1") = "9"
    & skf18("2","1","9","1","2","1","1") = "8"
    & skf18("2","1","9","1","2","2","1") = "8"
    & skf18("2","1","9","1","2","3","1") = "8"
    & skf18("2","1","9","1","2","4","1") = "8"
    & skf18("2","1","9","1","2","5","1") = "8"
    & skf18("2","1","9","1","2","6","1") = "8"
    & skf18("2","1","9","1","2","7","1") = "8"
    & skf18("2","1","9","1","2","8","1") = "8"
    & skf18("2","1","9","1","2","9","1") = "8"
    & skf18("2","1","9","1","2","10","1") = "9"
    & skf18("2","1","9","1","3","1","1") = "8"
    & skf18("2","1","9","1","3","2","1") = "8"
    & skf18("2","1","9","1","3","3","1") = "8"
    & skf18("2","1","9","1","3","4","1") = "8"
    & skf18("2","1","9","1","3","5","1") = "8"
    & skf18("2","1","9","1","3","6","1") = "8"
    & skf18("2","1","9","1","3","7","1") = "8"
    & skf18("2","1","9","1","3","8","1") = "8"
    & skf18("2","1","9","1","3","9","1") = "8"
    & skf18("2","1","9","1","3","10","1") = "9"
    & skf18("2","1","9","1","4","1","1") = "8"
    & skf18("2","1","9","1","4","2","1") = "8"
    & skf18("2","1","9","1","4","3","1") = "8"
    & skf18("2","1","9","1","4","4","1") = "8"
    & skf18("2","1","9","1","4","5","1") = "8"
    & skf18("2","1","9","1","4","6","1") = "8"
    & skf18("2","1","9","1","4","7","1") = "8"
    & skf18("2","1","9","1","4","8","1") = "8"
    & skf18("2","1","9","1","4","9","1") = "8"
    & skf18("2","1","9","1","4","10","1") = "9"
    & skf18("2","1","9","1","5","1","1") = "8"
    & skf18("2","1","9","1","5","2","1") = "8"
    & skf18("2","1","9","1","5","3","1") = "8"
    & skf18("2","1","9","1","5","4","1") = "8"
    & skf18("2","1","9","1","5","5","1") = "8"
    & skf18("2","1","9","1","5","6","1") = "8"
    & skf18("2","1","9","1","5","7","1") = "8"
    & skf18("2","1","9","1","5","8","1") = "8"
    & skf18("2","1","9","1","5","9","1") = "8"
    & skf18("2","1","9","1","5","10","1") = "9"
    & skf18("2","1","9","1","6","1","1") = "8"
    & skf18("2","1","9","1","6","2","1") = "8"
    & skf18("2","1","9","1","6","3","1") = "8"
    & skf18("2","1","9","1","6","4","1") = "8"
    & skf18("2","1","9","1","6","5","1") = "8"
    & skf18("2","1","9","1","6","6","1") = "8"
    & skf18("2","1","9","1","6","7","1") = "8"
    & skf18("2","1","9","1","6","8","1") = "8"
    & skf18("2","1","9","1","6","9","1") = "8"
    & skf18("2","1","9","1","6","10","1") = "9"
    & skf18("2","1","9","1","7","1","1") = "8"
    & skf18("2","1","9","1","7","2","1") = "8"
    & skf18("2","1","9","1","7","3","1") = "8"
    & skf18("2","1","9","1","7","4","1") = "8"
    & skf18("2","1","9","1","7","5","1") = "8"
    & skf18("2","1","9","1","7","6","1") = "8"
    & skf18("2","1","9","1","7","7","1") = "8"
    & skf18("2","1","9","1","7","8","1") = "8"
    & skf18("2","1","9","1","7","9","1") = "8"
    & skf18("2","1","9","1","7","10","1") = "9"
    & skf18("2","1","9","1","8","1","1") = "8"
    & skf18("2","1","9","1","8","2","1") = "8"
    & skf18("2","1","9","1","8","3","1") = "8"
    & skf18("2","1","9","1","8","4","1") = "8"
    & skf18("2","1","9","1","8","5","1") = "8"
    & skf18("2","1","9","1","8","6","1") = "8"
    & skf18("2","1","9","1","8","7","1") = "8"
    & skf18("2","1","9","1","8","8","1") = "8"
    & skf18("2","1","9","1","8","9","1") = "8"
    & skf18("2","1","9","1","8","10","1") = "9"
    & skf18("2","1","9","1","9","1","1") = "8"
    & skf18("2","1","9","1","9","2","1") = "8"
    & skf18("2","1","9","1","9","3","1") = "8"
    & skf18("2","1","9","1","9","4","1") = "8"
    & skf18("2","1","9","1","9","5","1") = "8"
    & skf18("2","1","9","1","9","6","1") = "8"
    & skf18("2","1","9","1","9","7","1") = "8"
    & skf18("2","1","9","1","9","8","1") = "8"
    & skf18("2","1","9","1","9","9","1") = "8"
    & skf18("2","1","9","1","9","10","1") = "9"
    & skf18("2","1","9","1","10","1","1") = "9"
    & skf18("2","1","9","1","10","2","1") = "9"
    & skf18("2","1","9","1","10","3","1") = "9"
    & skf18("2","1","9","1","10","4","1") = "9"
    & skf18("2","1","9","1","10","5","1") = "9"
    & skf18("2","1","9","1","10","6","1") = "9"
    & skf18("2","1","9","1","10","7","1") = "9"
    & skf18("2","1","9","1","10","8","1") = "9"
    & skf18("2","1","9","1","10","9","1") = "9"
    & skf18("2","1","9","1","10","10","1") = "9"
    & skf18("2","1","9","2","1","1","1") = "8"
    & skf18("2","1","9","2","1","2","1") = "8"
    & skf18("2","1","9","2","1","3","1") = "8"
    & skf18("2","1","9","2","1","4","1") = "8"
    & skf18("2","1","9","2","1","5","1") = "8"
    & skf18("2","1","9","2","1","6","1") = "8"
    & skf18("2","1","9","2","1","7","1") = "8"
    & skf18("2","1","9","2","1","8","1") = "8"
    & skf18("2","1","9","2","1","9","1") = "8"
    & skf18("2","1","9","2","1","10","1") = "9"
    & skf18("2","1","9","2","2","1","1") = "8"
    & skf18("2","1","9","2","2","2","1") = "8"
    & skf18("2","1","9","2","2","3","1") = "8"
    & skf18("2","1","9","2","2","4","1") = "8"
    & skf18("2","1","9","2","2","5","1") = "8"
    & skf18("2","1","9","2","2","6","1") = "8"
    & skf18("2","1","9","2","2","7","1") = "8"
    & skf18("2","1","9","2","2","8","1") = "8"
    & skf18("2","1","9","2","2","9","1") = "8"
    & skf18("2","1","9","2","2","10","1") = "9"
    & skf18("2","1","9","2","3","1","1") = "8"
    & skf18("2","1","9","2","3","2","1") = "8"
    & skf18("2","1","9","2","3","3","1") = "8"
    & skf18("2","1","9","2","3","4","1") = "8"
    & skf18("2","1","9","2","3","5","1") = "8"
    & skf18("2","1","9","2","3","6","1") = "8"
    & skf18("2","1","9","2","3","7","1") = "8"
    & skf18("2","1","9","2","3","8","1") = "8"
    & skf18("2","1","9","2","3","9","1") = "8"
    & skf18("2","1","9","2","3","10","1") = "9"
    & skf18("2","1","9","2","4","1","1") = "8"
    & skf18("2","1","9","2","4","2","1") = "8"
    & skf18("2","1","9","2","4","3","1") = "8"
    & skf18("2","1","9","2","4","4","1") = "8"
    & skf18("2","1","9","2","4","5","1") = "8"
    & skf18("2","1","9","2","4","6","1") = "8"
    & skf18("2","1","9","2","4","7","1") = "8"
    & skf18("2","1","9","2","4","8","1") = "8"
    & skf18("2","1","9","2","4","9","1") = "8"
    & skf18("2","1","9","2","4","10","1") = "9"
    & skf18("2","1","9","2","5","1","1") = "8"
    & skf18("2","1","9","2","5","2","1") = "8"
    & skf18("2","1","9","2","5","3","1") = "8"
    & skf18("2","1","9","2","5","4","1") = "8"
    & skf18("2","1","9","2","5","5","1") = "8"
    & skf18("2","1","9","2","5","6","1") = "8"
    & skf18("2","1","9","2","5","7","1") = "8"
    & skf18("2","1","9","2","5","8","1") = "8"
    & skf18("2","1","9","2","5","9","1") = "8"
    & skf18("2","1","9","2","5","10","1") = "9"
    & skf18("2","1","9","2","6","1","1") = "8"
    & skf18("2","1","9","2","6","2","1") = "8"
    & skf18("2","1","9","2","6","3","1") = "8"
    & skf18("2","1","9","2","6","4","1") = "8"
    & skf18("2","1","9","2","6","5","1") = "8"
    & skf18("2","1","9","2","6","6","1") = "8"
    & skf18("2","1","9","2","6","7","1") = "8"
    & skf18("2","1","9","2","6","8","1") = "8"
    & skf18("2","1","9","2","6","9","1") = "8"
    & skf18("2","1","9","2","6","10","1") = "9"
    & skf18("2","1","9","2","7","1","1") = "8"
    & skf18("2","1","9","2","7","2","1") = "8"
    & skf18("2","1","9","2","7","3","1") = "8"
    & skf18("2","1","9","2","7","4","1") = "8"
    & skf18("2","1","9","2","7","5","1") = "8"
    & skf18("2","1","9","2","7","6","1") = "8"
    & skf18("2","1","9","2","7","7","1") = "8"
    & skf18("2","1","9","2","7","8","1") = "8"
    & skf18("2","1","9","2","7","9","1") = "8"
    & skf18("2","1","9","2","7","10","1") = "9"
    & skf18("2","1","9","2","8","1","1") = "8"
    & skf18("2","1","9","2","8","2","1") = "8"
    & skf18("2","1","9","2","8","3","1") = "8"
    & skf18("2","1","9","2","8","4","1") = "8"
    & skf18("2","1","9","2","8","5","1") = "8"
    & skf18("2","1","9","2","8","6","1") = "8"
    & skf18("2","1","9","2","8","7","1") = "8"
    & skf18("2","1","9","2","8","8","1") = "8"
    & skf18("2","1","9","2","8","9","1") = "8"
    & skf18("2","1","9","2","8","10","1") = "9"
    & skf18("2","1","9","2","9","1","1") = "8"
    & skf18("2","1","9","2","9","2","1") = "8"
    & skf18("2","1","9","2","9","3","1") = "8"
    & skf18("2","1","9","2","9","4","1") = "8"
    & skf18("2","1","9","2","9","5","1") = "8"
    & skf18("2","1","9","2","9","6","1") = "8"
    & skf18("2","1","9","2","9","7","1") = "8"
    & skf18("2","1","9","2","9","8","1") = "8"
    & skf18("2","1","9","2","9","9","1") = "8"
    & skf18("2","1","9","2","9","10","1") = "9"
    & skf18("2","1","9","2","10","1","1") = "9"
    & skf18("2","1","9","2","10","2","1") = "9"
    & skf18("2","1","9","2","10","3","1") = "9"
    & skf18("2","1","9","2","10","4","1") = "9"
    & skf18("2","1","9","2","10","5","1") = "9"
    & skf18("2","1","9","2","10","6","1") = "9"
    & skf18("2","1","9","2","10","7","1") = "9"
    & skf18("2","1","9","2","10","8","1") = "9"
    & skf18("2","1","9","2","10","9","1") = "9"
    & skf18("2","1","9","2","10","10","1") = "9"
    & skf18("2","1","9","3","1","1","1") = "8"
    & skf18("2","1","9","3","1","2","1") = "8"
    & skf18("2","1","9","3","1","3","1") = "8"
    & skf18("2","1","9","3","1","4","1") = "8"
    & skf18("2","1","9","3","1","5","1") = "8"
    & skf18("2","1","9","3","1","6","1") = "8"
    & skf18("2","1","9","3","1","7","1") = "8"
    & skf18("2","1","9","3","1","8","1") = "8"
    & skf18("2","1","9","3","1","9","1") = "8"
    & skf18("2","1","9","3","1","10","1") = "9"
    & skf18("2","1","9","3","2","1","1") = "8"
    & skf18("2","1","9","3","2","2","1") = "8"
    & skf18("2","1","9","3","2","3","1") = "8"
    & skf18("2","1","9","3","2","4","1") = "8"
    & skf18("2","1","9","3","2","5","1") = "8"
    & skf18("2","1","9","3","2","6","1") = "8"
    & skf18("2","1","9","3","2","7","1") = "8"
    & skf18("2","1","9","3","2","8","1") = "8"
    & skf18("2","1","9","3","2","9","1") = "8"
    & skf18("2","1","9","3","2","10","1") = "9"
    & skf18("2","1","9","3","3","1","1") = "8"
    & skf18("2","1","9","3","3","2","1") = "8"
    & skf18("2","1","9","3","3","3","1") = "8"
    & skf18("2","1","9","3","3","4","1") = "8"
    & skf18("2","1","9","3","3","5","1") = "8"
    & skf18("2","1","9","3","3","6","1") = "8"
    & skf18("2","1","9","3","3","7","1") = "8"
    & skf18("2","1","9","3","3","8","1") = "8"
    & skf18("2","1","9","3","3","9","1") = "8"
    & skf18("2","1","9","3","3","10","1") = "9"
    & skf18("2","1","9","3","4","1","1") = "8"
    & skf18("2","1","9","3","4","2","1") = "8"
    & skf18("2","1","9","3","4","3","1") = "8"
    & skf18("2","1","9","3","4","4","1") = "8"
    & skf18("2","1","9","3","4","5","1") = "8"
    & skf18("2","1","9","3","4","6","1") = "8"
    & skf18("2","1","9","3","4","7","1") = "8"
    & skf18("2","1","9","3","4","8","1") = "8"
    & skf18("2","1","9","3","4","9","1") = "8"
    & skf18("2","1","9","3","4","10","1") = "9"
    & skf18("2","1","9","3","5","1","1") = "8"
    & skf18("2","1","9","3","5","2","1") = "8"
    & skf18("2","1","9","3","5","3","1") = "8"
    & skf18("2","1","9","3","5","4","1") = "8"
    & skf18("2","1","9","3","5","5","1") = "8"
    & skf18("2","1","9","3","5","6","1") = "8"
    & skf18("2","1","9","3","5","7","1") = "8"
    & skf18("2","1","9","3","5","8","1") = "8"
    & skf18("2","1","9","3","5","9","1") = "8"
    & skf18("2","1","9","3","5","10","1") = "9"
    & skf18("2","1","9","3","6","1","1") = "8"
    & skf18("2","1","9","3","6","2","1") = "8"
    & skf18("2","1","9","3","6","3","1") = "8"
    & skf18("2","1","9","3","6","4","1") = "8"
    & skf18("2","1","9","3","6","5","1") = "8"
    & skf18("2","1","9","3","6","6","1") = "8"
    & skf18("2","1","9","3","6","7","1") = "8"
    & skf18("2","1","9","3","6","8","1") = "8"
    & skf18("2","1","9","3","6","9","1") = "8"
    & skf18("2","1","9","3","6","10","1") = "9"
    & skf18("2","1","9","3","7","1","1") = "8"
    & skf18("2","1","9","3","7","2","1") = "8"
    & skf18("2","1","9","3","7","3","1") = "8"
    & skf18("2","1","9","3","7","4","1") = "8"
    & skf18("2","1","9","3","7","5","1") = "8"
    & skf18("2","1","9","3","7","6","1") = "8"
    & skf18("2","1","9","3","7","7","1") = "8"
    & skf18("2","1","9","3","7","8","1") = "8"
    & skf18("2","1","9","3","7","9","1") = "8"
    & skf18("2","1","9","3","7","10","1") = "9"
    & skf18("2","1","9","3","8","1","1") = "8"
    & skf18("2","1","9","3","8","2","1") = "8"
    & skf18("2","1","9","3","8","3","1") = "8"
    & skf18("2","1","9","3","8","4","1") = "8"
    & skf18("2","1","9","3","8","5","1") = "8"
    & skf18("2","1","9","3","8","6","1") = "8"
    & skf18("2","1","9","3","8","7","1") = "8"
    & skf18("2","1","9","3","8","8","1") = "8"
    & skf18("2","1","9","3","8","9","1") = "8"
    & skf18("2","1","9","3","8","10","1") = "9"
    & skf18("2","1","9","3","9","1","1") = "8"
    & skf18("2","1","9","3","9","2","1") = "8"
    & skf18("2","1","9","3","9","3","1") = "8"
    & skf18("2","1","9","3","9","4","1") = "8"
    & skf18("2","1","9","3","9","5","1") = "8"
    & skf18("2","1","9","3","9","6","1") = "8"
    & skf18("2","1","9","3","9","7","1") = "8"
    & skf18("2","1","9","3","9","8","1") = "8"
    & skf18("2","1","9","3","9","9","1") = "8"
    & skf18("2","1","9","3","9","10","1") = "9"
    & skf18("2","1","9","3","10","1","1") = "9"
    & skf18("2","1","9","3","10","2","1") = "9"
    & skf18("2","1","9","3","10","3","1") = "9"
    & skf18("2","1","9","3","10","4","1") = "9"
    & skf18("2","1","9","3","10","5","1") = "9"
    & skf18("2","1","9","3","10","6","1") = "9"
    & skf18("2","1","9","3","10","7","1") = "9"
    & skf18("2","1","9","3","10","8","1") = "9"
    & skf18("2","1","9","3","10","9","1") = "9"
    & skf18("2","1","9","3","10","10","1") = "9"
    & skf18("2","1","9","4","1","1","1") = "8"
    & skf18("2","1","9","4","1","2","1") = "8"
    & skf18("2","1","9","4","1","3","1") = "8"
    & skf18("2","1","9","4","1","4","1") = "8"
    & skf18("2","1","9","4","1","5","1") = "8"
    & skf18("2","1","9","4","1","6","1") = "8"
    & skf18("2","1","9","4","1","7","1") = "8"
    & skf18("2","1","9","4","1","8","1") = "8"
    & skf18("2","1","9","4","1","9","1") = "8"
    & skf18("2","1","9","4","1","10","1") = "9"
    & skf18("2","1","9","4","2","1","1") = "8"
    & skf18("2","1","9","4","2","2","1") = "8"
    & skf18("2","1","9","4","2","3","1") = "8"
    & skf18("2","1","9","4","2","4","1") = "8"
    & skf18("2","1","9","4","2","5","1") = "8"
    & skf18("2","1","9","4","2","6","1") = "8"
    & skf18("2","1","9","4","2","7","1") = "8"
    & skf18("2","1","9","4","2","8","1") = "8"
    & skf18("2","1","9","4","2","9","1") = "8"
    & skf18("2","1","9","4","2","10","1") = "9"
    & skf18("2","1","9","4","3","1","1") = "8"
    & skf18("2","1","9","4","3","2","1") = "8"
    & skf18("2","1","9","4","3","3","1") = "8"
    & skf18("2","1","9","4","3","4","1") = "8"
    & skf18("2","1","9","4","3","5","1") = "8"
    & skf18("2","1","9","4","3","6","1") = "8"
    & skf18("2","1","9","4","3","7","1") = "8"
    & skf18("2","1","9","4","3","8","1") = "8"
    & skf18("2","1","9","4","3","9","1") = "8"
    & skf18("2","1","9","4","3","10","1") = "9"
    & skf18("2","1","9","4","4","1","1") = "8"
    & skf18("2","1","9","4","4","2","1") = "8"
    & skf18("2","1","9","4","4","3","1") = "8"
    & skf18("2","1","9","4","4","4","1") = "8"
    & skf18("2","1","9","4","4","5","1") = "8"
    & skf18("2","1","9","4","4","6","1") = "8"
    & skf18("2","1","9","4","4","7","1") = "8"
    & skf18("2","1","9","4","4","8","1") = "8"
    & skf18("2","1","9","4","4","9","1") = "8"
    & skf18("2","1","9","4","4","10","1") = "9"
    & skf18("2","1","9","4","5","1","1") = "8"
    & skf18("2","1","9","4","5","2","1") = "8"
    & skf18("2","1","9","4","5","3","1") = "8"
    & skf18("2","1","9","4","5","4","1") = "8"
    & skf18("2","1","9","4","5","5","1") = "8"
    & skf18("2","1","9","4","5","6","1") = "8"
    & skf18("2","1","9","4","5","7","1") = "8"
    & skf18("2","1","9","4","5","8","1") = "8"
    & skf18("2","1","9","4","5","9","1") = "8"
    & skf18("2","1","9","4","5","10","1") = "9"
    & skf18("2","1","9","4","6","1","1") = "8"
    & skf18("2","1","9","4","6","2","1") = "8"
    & skf18("2","1","9","4","6","3","1") = "8"
    & skf18("2","1","9","4","6","4","1") = "8"
    & skf18("2","1","9","4","6","5","1") = "8"
    & skf18("2","1","9","4","6","6","1") = "8"
    & skf18("2","1","9","4","6","7","1") = "8"
    & skf18("2","1","9","4","6","8","1") = "8"
    & skf18("2","1","9","4","6","9","1") = "8"
    & skf18("2","1","9","4","6","10","1") = "9"
    & skf18("2","1","9","4","7","1","1") = "8"
    & skf18("2","1","9","4","7","2","1") = "8"
    & skf18("2","1","9","4","7","3","1") = "8"
    & skf18("2","1","9","4","7","4","1") = "8"
    & skf18("2","1","9","4","7","5","1") = "8"
    & skf18("2","1","9","4","7","6","1") = "8"
    & skf18("2","1","9","4","7","7","1") = "8"
    & skf18("2","1","9","4","7","8","1") = "8"
    & skf18("2","1","9","4","7","9","1") = "8"
    & skf18("2","1","9","4","7","10","1") = "9"
    & skf18("2","1","9","4","8","1","1") = "8"
    & skf18("2","1","9","4","8","2","1") = "8"
    & skf18("2","1","9","4","8","3","1") = "8"
    & skf18("2","1","9","4","8","4","1") = "8"
    & skf18("2","1","9","4","8","5","1") = "8"
    & skf18("2","1","9","4","8","6","1") = "8"
    & skf18("2","1","9","4","8","7","1") = "8"
    & skf18("2","1","9","4","8","8","1") = "8"
    & skf18("2","1","9","4","8","9","1") = "8"
    & skf18("2","1","9","4","8","10","1") = "9"
    & skf18("2","1","9","4","9","1","1") = "8"
    & skf18("2","1","9","4","9","2","1") = "8"
    & skf18("2","1","9","4","9","3","1") = "8"
    & skf18("2","1","9","4","9","4","1") = "8"
    & skf18("2","1","9","4","9","5","1") = "8"
    & skf18("2","1","9","4","9","6","1") = "8"
    & skf18("2","1","9","4","9","7","1") = "8"
    & skf18("2","1","9","4","9","8","1") = "8"
    & skf18("2","1","9","4","9","9","1") = "8"
    & skf18("2","1","9","4","9","10","1") = "9"
    & skf18("2","1","9","4","10","1","1") = "9"
    & skf18("2","1","9","4","10","2","1") = "9"
    & skf18("2","1","9","4","10","3","1") = "9"
    & skf18("2","1","9","4","10","4","1") = "9"
    & skf18("2","1","9","4","10","5","1") = "9"
    & skf18("2","1","9","4","10","6","1") = "9"
    & skf18("2","1","9","4","10","7","1") = "9"
    & skf18("2","1","9","4","10","8","1") = "9"
    & skf18("2","1","9","4","10","9","1") = "9"
    & skf18("2","1","9","4","10","10","1") = "9"
    & skf18("2","1","9","5","1","1","1") = "8"
    & skf18("2","1","9","5","1","2","1") = "8"
    & skf18("2","1","9","5","1","3","1") = "8"
    & skf18("2","1","9","5","1","4","1") = "8"
    & skf18("2","1","9","5","1","5","1") = "8"
    & skf18("2","1","9","5","1","6","1") = "8"
    & skf18("2","1","9","5","1","7","1") = "8"
    & skf18("2","1","9","5","1","8","1") = "8"
    & skf18("2","1","9","5","1","9","1") = "8"
    & skf18("2","1","9","5","1","10","1") = "9"
    & skf18("2","1","9","5","2","1","1") = "8"
    & skf18("2","1","9","5","2","2","1") = "8"
    & skf18("2","1","9","5","2","3","1") = "8"
    & skf18("2","1","9","5","2","4","1") = "8"
    & skf18("2","1","9","5","2","5","1") = "8"
    & skf18("2","1","9","5","2","6","1") = "8"
    & skf18("2","1","9","5","2","7","1") = "8"
    & skf18("2","1","9","5","2","8","1") = "8"
    & skf18("2","1","9","5","2","9","1") = "8"
    & skf18("2","1","9","5","2","10","1") = "9"
    & skf18("2","1","9","5","3","1","1") = "8"
    & skf18("2","1","9","5","3","2","1") = "8"
    & skf18("2","1","9","5","3","3","1") = "8"
    & skf18("2","1","9","5","3","4","1") = "8"
    & skf18("2","1","9","5","3","5","1") = "8"
    & skf18("2","1","9","5","3","6","1") = "8"
    & skf18("2","1","9","5","3","7","1") = "8"
    & skf18("2","1","9","5","3","8","1") = "8"
    & skf18("2","1","9","5","3","9","1") = "8"
    & skf18("2","1","9","5","3","10","1") = "9"
    & skf18("2","1","9","5","4","1","1") = "8"
    & skf18("2","1","9","5","4","2","1") = "8"
    & skf18("2","1","9","5","4","3","1") = "8"
    & skf18("2","1","9","5","4","4","1") = "8"
    & skf18("2","1","9","5","4","5","1") = "8"
    & skf18("2","1","9","5","4","6","1") = "8"
    & skf18("2","1","9","5","4","7","1") = "8"
    & skf18("2","1","9","5","4","8","1") = "8"
    & skf18("2","1","9","5","4","9","1") = "8"
    & skf18("2","1","9","5","4","10","1") = "9"
    & skf18("2","1","9","5","5","1","1") = "8"
    & skf18("2","1","9","5","5","2","1") = "8"
    & skf18("2","1","9","5","5","3","1") = "8"
    & skf18("2","1","9","5","5","4","1") = "8"
    & skf18("2","1","9","5","5","5","1") = "8"
    & skf18("2","1","9","5","5","6","1") = "8"
    & skf18("2","1","9","5","5","7","1") = "8"
    & skf18("2","1","9","5","5","8","1") = "8"
    & skf18("2","1","9","5","5","9","1") = "8"
    & skf18("2","1","9","5","5","10","1") = "9"
    & skf18("2","1","9","5","6","1","1") = "8"
    & skf18("2","1","9","5","6","2","1") = "8"
    & skf18("2","1","9","5","6","3","1") = "8"
    & skf18("2","1","9","5","6","4","1") = "8"
    & skf18("2","1","9","5","6","5","1") = "8"
    & skf18("2","1","9","5","6","6","1") = "8"
    & skf18("2","1","9","5","6","7","1") = "8"
    & skf18("2","1","9","5","6","8","1") = "8"
    & skf18("2","1","9","5","6","9","1") = "8"
    & skf18("2","1","9","5","6","10","1") = "9"
    & skf18("2","1","9","5","7","1","1") = "8"
    & skf18("2","1","9","5","7","2","1") = "8"
    & skf18("2","1","9","5","7","3","1") = "8"
    & skf18("2","1","9","5","7","4","1") = "8"
    & skf18("2","1","9","5","7","5","1") = "8"
    & skf18("2","1","9","5","7","6","1") = "8"
    & skf18("2","1","9","5","7","7","1") = "8"
    & skf18("2","1","9","5","7","8","1") = "8"
    & skf18("2","1","9","5","7","9","1") = "8"
    & skf18("2","1","9","5","7","10","1") = "9"
    & skf18("2","1","9","5","8","1","1") = "8"
    & skf18("2","1","9","5","8","2","1") = "8"
    & skf18("2","1","9","5","8","3","1") = "8"
    & skf18("2","1","9","5","8","4","1") = "8"
    & skf18("2","1","9","5","8","5","1") = "8"
    & skf18("2","1","9","5","8","6","1") = "8"
    & skf18("2","1","9","5","8","7","1") = "8"
    & skf18("2","1","9","5","8","8","1") = "8"
    & skf18("2","1","9","5","8","9","1") = "8"
    & skf18("2","1","9","5","8","10","1") = "9"
    & skf18("2","1","9","5","9","1","1") = "8"
    & skf18("2","1","9","5","9","2","1") = "8"
    & skf18("2","1","9","5","9","3","1") = "8"
    & skf18("2","1","9","5","9","4","1") = "8"
    & skf18("2","1","9","5","9","5","1") = "8"
    & skf18("2","1","9","5","9","6","1") = "8"
    & skf18("2","1","9","5","9","7","1") = "8"
    & skf18("2","1","9","5","9","8","1") = "8"
    & skf18("2","1","9","5","9","9","1") = "8"
    & skf18("2","1","9","5","9","10","1") = "9"
    & skf18("2","1","9","5","10","1","1") = "9"
    & skf18("2","1","9","5","10","2","1") = "9"
    & skf18("2","1","9","5","10","3","1") = "9"
    & skf18("2","1","9","5","10","4","1") = "9"
    & skf18("2","1","9","5","10","5","1") = "9"
    & skf18("2","1","9","5","10","6","1") = "9"
    & skf18("2","1","9","5","10","7","1") = "9"
    & skf18("2","1","9","5","10","8","1") = "9"
    & skf18("2","1","9","5","10","9","1") = "9"
    & skf18("2","1","9","5","10","10","1") = "9"
    & skf18("2","1","9","6","1","1","1") = "8"
    & skf18("2","1","9","6","1","2","1") = "8"
    & skf18("2","1","9","6","1","3","1") = "8"
    & skf18("2","1","9","6","1","4","1") = "8"
    & skf18("2","1","9","6","1","5","1") = "8"
    & skf18("2","1","9","6","1","6","1") = "8"
    & skf18("2","1","9","6","1","7","1") = "8"
    & skf18("2","1","9","6","1","8","1") = "8"
    & skf18("2","1","9","6","1","9","1") = "8"
    & skf18("2","1","9","6","1","10","1") = "9"
    & skf18("2","1","9","6","2","1","1") = "8"
    & skf18("2","1","9","6","2","2","1") = "8"
    & skf18("2","1","9","6","2","3","1") = "8"
    & skf18("2","1","9","6","2","4","1") = "8"
    & skf18("2","1","9","6","2","5","1") = "8"
    & skf18("2","1","9","6","2","6","1") = "8"
    & skf18("2","1","9","6","2","7","1") = "8"
    & skf18("2","1","9","6","2","8","1") = "8"
    & skf18("2","1","9","6","2","9","1") = "8"
    & skf18("2","1","9","6","2","10","1") = "9"
    & skf18("2","1","9","6","3","1","1") = "8"
    & skf18("2","1","9","6","3","2","1") = "8"
    & skf18("2","1","9","6","3","3","1") = "8"
    & skf18("2","1","9","6","3","4","1") = "8"
    & skf18("2","1","9","6","3","5","1") = "8"
    & skf18("2","1","9","6","3","6","1") = "8"
    & skf18("2","1","9","6","3","7","1") = "8"
    & skf18("2","1","9","6","3","8","1") = "8"
    & skf18("2","1","9","6","3","9","1") = "8"
    & skf18("2","1","9","6","3","10","1") = "9"
    & skf18("2","1","9","6","4","1","1") = "8"
    & skf18("2","1","9","6","4","2","1") = "8"
    & skf18("2","1","9","6","4","3","1") = "8"
    & skf18("2","1","9","6","4","4","1") = "8"
    & skf18("2","1","9","6","4","5","1") = "8"
    & skf18("2","1","9","6","4","6","1") = "8"
    & skf18("2","1","9","6","4","7","1") = "8"
    & skf18("2","1","9","6","4","8","1") = "8"
    & skf18("2","1","9","6","4","9","1") = "8"
    & skf18("2","1","9","6","4","10","1") = "9"
    & skf18("2","1","9","6","5","1","1") = "8"
    & skf18("2","1","9","6","5","2","1") = "8"
    & skf18("2","1","9","6","5","3","1") = "8"
    & skf18("2","1","9","6","5","4","1") = "8"
    & skf18("2","1","9","6","5","5","1") = "8"
    & skf18("2","1","9","6","5","6","1") = "8"
    & skf18("2","1","9","6","5","7","1") = "8"
    & skf18("2","1","9","6","5","8","1") = "8"
    & skf18("2","1","9","6","5","9","1") = "8"
    & skf18("2","1","9","6","5","10","1") = "9"
    & skf18("2","1","9","6","6","1","1") = "8"
    & skf18("2","1","9","6","6","2","1") = "8"
    & skf18("2","1","9","6","6","3","1") = "8"
    & skf18("2","1","9","6","6","4","1") = "8"
    & skf18("2","1","9","6","6","5","1") = "8"
    & skf18("2","1","9","6","6","6","1") = "8"
    & skf18("2","1","9","6","6","7","1") = "8"
    & skf18("2","1","9","6","6","8","1") = "8"
    & skf18("2","1","9","6","6","9","1") = "8"
    & skf18("2","1","9","6","6","10","1") = "9"
    & skf18("2","1","9","6","7","1","1") = "8"
    & skf18("2","1","9","6","7","2","1") = "8"
    & skf18("2","1","9","6","7","3","1") = "8"
    & skf18("2","1","9","6","7","4","1") = "8"
    & skf18("2","1","9","6","7","5","1") = "8"
    & skf18("2","1","9","6","7","6","1") = "8"
    & skf18("2","1","9","6","7","7","1") = "8"
    & skf18("2","1","9","6","7","8","1") = "8"
    & skf18("2","1","9","6","7","9","1") = "8"
    & skf18("2","1","9","6","7","10","1") = "9"
    & skf18("2","1","9","6","8","1","1") = "8"
    & skf18("2","1","9","6","8","2","1") = "8"
    & skf18("2","1","9","6","8","3","1") = "8"
    & skf18("2","1","9","6","8","4","1") = "8"
    & skf18("2","1","9","6","8","5","1") = "8"
    & skf18("2","1","9","6","8","6","1") = "8"
    & skf18("2","1","9","6","8","7","1") = "8"
    & skf18("2","1","9","6","8","8","1") = "8"
    & skf18("2","1","9","6","8","9","1") = "8"
    & skf18("2","1","9","6","8","10","1") = "9"
    & skf18("2","1","9","6","9","1","1") = "8"
    & skf18("2","1","9","6","9","2","1") = "8"
    & skf18("2","1","9","6","9","3","1") = "8"
    & skf18("2","1","9","6","9","4","1") = "8"
    & skf18("2","1","9","6","9","5","1") = "8"
    & skf18("2","1","9","6","9","6","1") = "8"
    & skf18("2","1","9","6","9","7","1") = "8"
    & skf18("2","1","9","6","9","8","1") = "8"
    & skf18("2","1","9","6","9","9","1") = "8"
    & skf18("2","1","9","6","9","10","1") = "9"
    & skf18("2","1","9","6","10","1","1") = "9"
    & skf18("2","1","9","6","10","2","1") = "9"
    & skf18("2","1","9","6","10","3","1") = "9"
    & skf18("2","1","9","6","10","4","1") = "9"
    & skf18("2","1","9","6","10","5","1") = "9"
    & skf18("2","1","9","6","10","6","1") = "9"
    & skf18("2","1","9","6","10","7","1") = "9"
    & skf18("2","1","9","6","10","8","1") = "9"
    & skf18("2","1","9","6","10","9","1") = "9"
    & skf18("2","1","9","6","10","10","1") = "9"
    & skf18("2","1","9","7","1","1","1") = "8"
    & skf18("2","1","9","7","1","2","1") = "8"
    & skf18("2","1","9","7","1","3","1") = "8"
    & skf18("2","1","9","7","1","4","1") = "8"
    & skf18("2","1","9","7","1","5","1") = "8"
    & skf18("2","1","9","7","1","6","1") = "8"
    & skf18("2","1","9","7","1","7","1") = "8"
    & skf18("2","1","9","7","1","8","1") = "8"
    & skf18("2","1","9","7","1","9","1") = "8"
    & skf18("2","1","9","7","1","10","1") = "9"
    & skf18("2","1","9","7","2","1","1") = "8"
    & skf18("2","1","9","7","2","2","1") = "8"
    & skf18("2","1","9","7","2","3","1") = "8"
    & skf18("2","1","9","7","2","4","1") = "8"
    & skf18("2","1","9","7","2","5","1") = "8"
    & skf18("2","1","9","7","2","6","1") = "8"
    & skf18("2","1","9","7","2","7","1") = "8"
    & skf18("2","1","9","7","2","8","1") = "8"
    & skf18("2","1","9","7","2","9","1") = "8"
    & skf18("2","1","9","7","2","10","1") = "9"
    & skf18("2","1","9","7","3","1","1") = "8"
    & skf18("2","1","9","7","3","2","1") = "8"
    & skf18("2","1","9","7","3","3","1") = "8"
    & skf18("2","1","9","7","3","4","1") = "8"
    & skf18("2","1","9","7","3","5","1") = "8"
    & skf18("2","1","9","7","3","6","1") = "8"
    & skf18("2","1","9","7","3","7","1") = "8"
    & skf18("2","1","9","7","3","8","1") = "8"
    & skf18("2","1","9","7","3","9","1") = "8"
    & skf18("2","1","9","7","3","10","1") = "9"
    & skf18("2","1","9","7","4","1","1") = "8"
    & skf18("2","1","9","7","4","2","1") = "8"
    & skf18("2","1","9","7","4","3","1") = "8"
    & skf18("2","1","9","7","4","4","1") = "8"
    & skf18("2","1","9","7","4","5","1") = "8"
    & skf18("2","1","9","7","4","6","1") = "8"
    & skf18("2","1","9","7","4","7","1") = "8"
    & skf18("2","1","9","7","4","8","1") = "8"
    & skf18("2","1","9","7","4","9","1") = "8"
    & skf18("2","1","9","7","4","10","1") = "9"
    & skf18("2","1","9","7","5","1","1") = "8"
    & skf18("2","1","9","7","5","2","1") = "8"
    & skf18("2","1","9","7","5","3","1") = "8"
    & skf18("2","1","9","7","5","4","1") = "8"
    & skf18("2","1","9","7","5","5","1") = "8"
    & skf18("2","1","9","7","5","6","1") = "8"
    & skf18("2","1","9","7","5","7","1") = "8"
    & skf18("2","1","9","7","5","8","1") = "8"
    & skf18("2","1","9","7","5","9","1") = "8"
    & skf18("2","1","9","7","5","10","1") = "9"
    & skf18("2","1","9","7","6","1","1") = "8"
    & skf18("2","1","9","7","6","2","1") = "8"
    & skf18("2","1","9","7","6","3","1") = "8"
    & skf18("2","1","9","7","6","4","1") = "8"
    & skf18("2","1","9","7","6","5","1") = "8"
    & skf18("2","1","9","7","6","6","1") = "8"
    & skf18("2","1","9","7","6","7","1") = "8"
    & skf18("2","1","9","7","6","8","1") = "8"
    & skf18("2","1","9","7","6","9","1") = "8"
    & skf18("2","1","9","7","6","10","1") = "9"
    & skf18("2","1","9","7","7","1","1") = "8"
    & skf18("2","1","9","7","7","2","1") = "8"
    & skf18("2","1","9","7","7","3","1") = "8"
    & skf18("2","1","9","7","7","4","1") = "8"
    & skf18("2","1","9","7","7","5","1") = "8"
    & skf18("2","1","9","7","7","6","1") = "8"
    & skf18("2","1","9","7","7","7","1") = "8"
    & skf18("2","1","9","7","7","8","1") = "8"
    & skf18("2","1","9","7","7","9","1") = "8"
    & skf18("2","1","9","7","7","10","1") = "9"
    & skf18("2","1","9","7","8","1","1") = "8"
    & skf18("2","1","9","7","8","2","1") = "8"
    & skf18("2","1","9","7","8","3","1") = "8"
    & skf18("2","1","9","7","8","4","1") = "8"
    & skf18("2","1","9","7","8","5","1") = "8"
    & skf18("2","1","9","7","8","6","1") = "8"
    & skf18("2","1","9","7","8","7","1") = "8"
    & skf18("2","1","9","7","8","8","1") = "8"
    & skf18("2","1","9","7","8","9","1") = "8"
    & skf18("2","1","9","7","8","10","1") = "9"
    & skf18("2","1","9","7","9","1","1") = "8"
    & skf18("2","1","9","7","9","2","1") = "8"
    & skf18("2","1","9","7","9","3","1") = "8"
    & skf18("2","1","9","7","9","4","1") = "8"
    & skf18("2","1","9","7","9","5","1") = "8"
    & skf18("2","1","9","7","9","6","1") = "8"
    & skf18("2","1","9","7","9","7","1") = "8"
    & skf18("2","1","9","7","9","8","1") = "8"
    & skf18("2","1","9","7","9","9","1") = "8"
    & skf18("2","1","9","7","9","10","1") = "9"
    & skf18("2","1","9","7","10","1","1") = "9"
    & skf18("2","1","9","7","10","2","1") = "9"
    & skf18("2","1","9","7","10","3","1") = "9"
    & skf18("2","1","9","7","10","4","1") = "9"
    & skf18("2","1","9","7","10","5","1") = "9"
    & skf18("2","1","9","7","10","6","1") = "9"
    & skf18("2","1","9","7","10","7","1") = "9"
    & skf18("2","1","9","7","10","8","1") = "9"
    & skf18("2","1","9","7","10","9","1") = "9"
    & skf18("2","1","9","7","10","10","1") = "9"
    & skf18("2","1","9","8","1","1","1") = "8"
    & skf18("2","1","9","8","1","2","1") = "8"
    & skf18("2","1","9","8","1","3","1") = "8"
    & skf18("2","1","9","8","1","4","1") = "8"
    & skf18("2","1","9","8","1","5","1") = "8"
    & skf18("2","1","9","8","1","6","1") = "8"
    & skf18("2","1","9","8","1","7","1") = "8"
    & skf18("2","1","9","8","1","8","1") = "8"
    & skf18("2","1","9","8","1","9","1") = "8"
    & skf18("2","1","9","8","1","10","1") = "9"
    & skf18("2","1","9","8","2","1","1") = "8"
    & skf18("2","1","9","8","2","2","1") = "8"
    & skf18("2","1","9","8","2","3","1") = "8"
    & skf18("2","1","9","8","2","4","1") = "8"
    & skf18("2","1","9","8","2","5","1") = "8"
    & skf18("2","1","9","8","2","6","1") = "8"
    & skf18("2","1","9","8","2","7","1") = "8"
    & skf18("2","1","9","8","2","8","1") = "8"
    & skf18("2","1","9","8","2","9","1") = "8"
    & skf18("2","1","9","8","2","10","1") = "9"
    & skf18("2","1","9","8","3","1","1") = "8"
    & skf18("2","1","9","8","3","2","1") = "8"
    & skf18("2","1","9","8","3","3","1") = "8"
    & skf18("2","1","9","8","3","4","1") = "8"
    & skf18("2","1","9","8","3","5","1") = "8"
    & skf18("2","1","9","8","3","6","1") = "8"
    & skf18("2","1","9","8","3","7","1") = "8"
    & skf18("2","1","9","8","3","8","1") = "8"
    & skf18("2","1","9","8","3","9","1") = "8"
    & skf18("2","1","9","8","3","10","1") = "9"
    & skf18("2","1","9","8","4","1","1") = "8"
    & skf18("2","1","9","8","4","2","1") = "8"
    & skf18("2","1","9","8","4","3","1") = "8"
    & skf18("2","1","9","8","4","4","1") = "8"
    & skf18("2","1","9","8","4","5","1") = "8"
    & skf18("2","1","9","8","4","6","1") = "8"
    & skf18("2","1","9","8","4","7","1") = "8"
    & skf18("2","1","9","8","4","8","1") = "8"
    & skf18("2","1","9","8","4","9","1") = "8"
    & skf18("2","1","9","8","4","10","1") = "9"
    & skf18("2","1","9","8","5","1","1") = "8"
    & skf18("2","1","9","8","5","2","1") = "8"
    & skf18("2","1","9","8","5","3","1") = "8"
    & skf18("2","1","9","8","5","4","1") = "8"
    & skf18("2","1","9","8","5","5","1") = "8"
    & skf18("2","1","9","8","5","6","1") = "8"
    & skf18("2","1","9","8","5","7","1") = "8"
    & skf18("2","1","9","8","5","8","1") = "8"
    & skf18("2","1","9","8","5","9","1") = "8"
    & skf18("2","1","9","8","5","10","1") = "9"
    & skf18("2","1","9","8","6","1","1") = "8"
    & skf18("2","1","9","8","6","2","1") = "8"
    & skf18("2","1","9","8","6","3","1") = "8"
    & skf18("2","1","9","8","6","4","1") = "8"
    & skf18("2","1","9","8","6","5","1") = "8"
    & skf18("2","1","9","8","6","6","1") = "8"
    & skf18("2","1","9","8","6","7","1") = "8"
    & skf18("2","1","9","8","6","8","1") = "8"
    & skf18("2","1","9","8","6","9","1") = "8"
    & skf18("2","1","9","8","6","10","1") = "9"
    & skf18("2","1","9","8","7","1","1") = "8"
    & skf18("2","1","9","8","7","2","1") = "8"
    & skf18("2","1","9","8","7","3","1") = "8"
    & skf18("2","1","9","8","7","4","1") = "8"
    & skf18("2","1","9","8","7","5","1") = "8"
    & skf18("2","1","9","8","7","6","1") = "8"
    & skf18("2","1","9","8","7","7","1") = "8"
    & skf18("2","1","9","8","7","8","1") = "8"
    & skf18("2","1","9","8","7","9","1") = "8"
    & skf18("2","1","9","8","7","10","1") = "9"
    & skf18("2","1","9","8","8","1","1") = "8"
    & skf18("2","1","9","8","8","2","1") = "8"
    & skf18("2","1","9","8","8","3","1") = "8"
    & skf18("2","1","9","8","8","4","1") = "8"
    & skf18("2","1","9","8","8","5","1") = "8"
    & skf18("2","1","9","8","8","6","1") = "8"
    & skf18("2","1","9","8","8","7","1") = "8"
    & skf18("2","1","9","8","8","8","1") = "8"
    & skf18("2","1","9","8","8","9","1") = "8"
    & skf18("2","1","9","8","8","10","1") = "9"
    & skf18("2","1","9","8","9","1","1") = "8"
    & skf18("2","1","9","8","9","2","1") = "8"
    & skf18("2","1","9","8","9","3","1") = "8"
    & skf18("2","1","9","8","9","4","1") = "8"
    & skf18("2","1","9","8","9","5","1") = "8"
    & skf18("2","1","9","8","9","6","1") = "8"
    & skf18("2","1","9","8","9","7","1") = "8"
    & skf18("2","1","9","8","9","8","1") = "8"
    & skf18("2","1","9","8","9","9","1") = "8"
    & skf18("2","1","9","8","9","10","1") = "9"
    & skf18("2","1","9","8","10","1","1") = "9"
    & skf18("2","1","9","8","10","2","1") = "9"
    & skf18("2","1","9","8","10","3","1") = "9"
    & skf18("2","1","9","8","10","4","1") = "9"
    & skf18("2","1","9","8","10","5","1") = "9"
    & skf18("2","1","9","8","10","6","1") = "9"
    & skf18("2","1","9","8","10","7","1") = "9"
    & skf18("2","1","9","8","10","8","1") = "9"
    & skf18("2","1","9","8","10","9","1") = "9"
    & skf18("2","1","9","8","10","10","1") = "9"
    & skf18("2","1","9","9","1","1","1") = "8"
    & skf18("2","1","9","9","1","2","1") = "8"
    & skf18("2","1","9","9","1","3","1") = "8"
    & skf18("2","1","9","9","1","4","1") = "8"
    & skf18("2","1","9","9","1","5","1") = "8"
    & skf18("2","1","9","9","1","6","1") = "8"
    & skf18("2","1","9","9","1","7","1") = "8"
    & skf18("2","1","9","9","1","8","1") = "8"
    & skf18("2","1","9","9","1","9","1") = "8"
    & skf18("2","1","9","9","1","10","1") = "9"
    & skf18("2","1","9","9","2","1","1") = "8"
    & skf18("2","1","9","9","2","2","1") = "8"
    & skf18("2","1","9","9","2","3","1") = "8"
    & skf18("2","1","9","9","2","4","1") = "8"
    & skf18("2","1","9","9","2","5","1") = "8"
    & skf18("2","1","9","9","2","6","1") = "8"
    & skf18("2","1","9","9","2","7","1") = "8"
    & skf18("2","1","9","9","2","8","1") = "8"
    & skf18("2","1","9","9","2","9","1") = "8"
    & skf18("2","1","9","9","2","10","1") = "9"
    & skf18("2","1","9","9","3","1","1") = "8"
    & skf18("2","1","9","9","3","2","1") = "8"
    & skf18("2","1","9","9","3","3","1") = "8"
    & skf18("2","1","9","9","3","4","1") = "8"
    & skf18("2","1","9","9","3","5","1") = "8"
    & skf18("2","1","9","9","3","6","1") = "8"
    & skf18("2","1","9","9","3","7","1") = "8"
    & skf18("2","1","9","9","3","8","1") = "8"
    & skf18("2","1","9","9","3","9","1") = "8"
    & skf18("2","1","9","9","3","10","1") = "9"
    & skf18("2","1","9","9","4","1","1") = "8"
    & skf18("2","1","9","9","4","2","1") = "8"
    & skf18("2","1","9","9","4","3","1") = "8"
    & skf18("2","1","9","9","4","4","1") = "8"
    & skf18("2","1","9","9","4","5","1") = "8"
    & skf18("2","1","9","9","4","6","1") = "8"
    & skf18("2","1","9","9","4","7","1") = "8"
    & skf18("2","1","9","9","4","8","1") = "8"
    & skf18("2","1","9","9","4","9","1") = "8"
    & skf18("2","1","9","9","4","10","1") = "9"
    & skf18("2","1","9","9","5","1","1") = "8"
    & skf18("2","1","9","9","5","2","1") = "8"
    & skf18("2","1","9","9","5","3","1") = "8"
    & skf18("2","1","9","9","5","4","1") = "8"
    & skf18("2","1","9","9","5","5","1") = "8"
    & skf18("2","1","9","9","5","6","1") = "8"
    & skf18("2","1","9","9","5","7","1") = "8"
    & skf18("2","1","9","9","5","8","1") = "8"
    & skf18("2","1","9","9","5","9","1") = "8"
    & skf18("2","1","9","9","5","10","1") = "9"
    & skf18("2","1","9","9","6","1","1") = "8"
    & skf18("2","1","9","9","6","2","1") = "8"
    & skf18("2","1","9","9","6","3","1") = "8"
    & skf18("2","1","9","9","6","4","1") = "8"
    & skf18("2","1","9","9","6","5","1") = "8"
    & skf18("2","1","9","9","6","6","1") = "8"
    & skf18("2","1","9","9","6","7","1") = "8"
    & skf18("2","1","9","9","6","8","1") = "8"
    & skf18("2","1","9","9","6","9","1") = "8"
    & skf18("2","1","9","9","6","10","1") = "9"
    & skf18("2","1","9","9","7","1","1") = "8"
    & skf18("2","1","9","9","7","2","1") = "8"
    & skf18("2","1","9","9","7","3","1") = "8"
    & skf18("2","1","9","9","7","4","1") = "8"
    & skf18("2","1","9","9","7","5","1") = "8"
    & skf18("2","1","9","9","7","6","1") = "8"
    & skf18("2","1","9","9","7","7","1") = "8"
    & skf18("2","1","9","9","7","8","1") = "8"
    & skf18("2","1","9","9","7","9","1") = "8"
    & skf18("2","1","9","9","7","10","1") = "9"
    & skf18("2","1","9","9","8","1","1") = "8"
    & skf18("2","1","9","9","8","2","1") = "8"
    & skf18("2","1","9","9","8","3","1") = "8"
    & skf18("2","1","9","9","8","4","1") = "8"
    & skf18("2","1","9","9","8","5","1") = "8"
    & skf18("2","1","9","9","8","6","1") = "8"
    & skf18("2","1","9","9","8","7","1") = "8"
    & skf18("2","1","9","9","8","8","1") = "8"
    & skf18("2","1","9","9","8","9","1") = "8"
    & skf18("2","1","9","9","8","10","1") = "9"
    & skf18("2","1","9","9","9","1","1") = "8"
    & skf18("2","1","9","9","9","2","1") = "8"
    & skf18("2","1","9","9","9","3","1") = "8"
    & skf18("2","1","9","9","9","4","1") = "8"
    & skf18("2","1","9","9","9","5","1") = "8"
    & skf18("2","1","9","9","9","6","1") = "8"
    & skf18("2","1","9","9","9","7","1") = "8"
    & skf18("2","1","9","9","9","8","1") = "8"
    & skf18("2","1","9","9","9","9","1") = "8"
    & skf18("2","1","9","9","9","10","1") = "9"
    & skf18("2","1","9","9","10","1","1") = "9"
    & skf18("2","1","9","9","10","2","1") = "9"
    & skf18("2","1","9","9","10","3","1") = "9"
    & skf18("2","1","9","9","10","4","1") = "9"
    & skf18("2","1","9","9","10","5","1") = "9"
    & skf18("2","1","9","9","10","6","1") = "9"
    & skf18("2","1","9","9","10","7","1") = "9"
    & skf18("2","1","9","9","10","8","1") = "9"
    & skf18("2","1","9","9","10","9","1") = "9"
    & skf18("2","1","9","9","10","10","1") = "9"
    & skf18("2","1","9","10","1","1","1") = "9"
    & skf18("2","1","9","10","1","2","1") = "9"
    & skf18("2","1","9","10","1","3","1") = "9"
    & skf18("2","1","9","10","1","4","1") = "9"
    & skf18("2","1","9","10","1","5","1") = "9"
    & skf18("2","1","9","10","1","6","1") = "9"
    & skf18("2","1","9","10","1","7","1") = "9"
    & skf18("2","1","9","10","1","8","1") = "9"
    & skf18("2","1","9","10","1","9","1") = "9"
    & skf18("2","1","9","10","1","10","1") = "9"
    & skf18("2","1","9","10","2","1","1") = "9"
    & skf18("2","1","9","10","2","2","1") = "9"
    & skf18("2","1","9","10","2","3","1") = "9"
    & skf18("2","1","9","10","2","4","1") = "9"
    & skf18("2","1","9","10","2","5","1") = "9"
    & skf18("2","1","9","10","2","6","1") = "9"
    & skf18("2","1","9","10","2","7","1") = "9"
    & skf18("2","1","9","10","2","8","1") = "9"
    & skf18("2","1","9","10","2","9","1") = "9"
    & skf18("2","1","9","10","2","10","1") = "9"
    & skf18("2","1","9","10","3","1","1") = "9"
    & skf18("2","1","9","10","3","2","1") = "9"
    & skf18("2","1","9","10","3","3","1") = "9"
    & skf18("2","1","9","10","3","4","1") = "9"
    & skf18("2","1","9","10","3","5","1") = "9"
    & skf18("2","1","9","10","3","6","1") = "9"
    & skf18("2","1","9","10","3","7","1") = "9"
    & skf18("2","1","9","10","3","8","1") = "9"
    & skf18("2","1","9","10","3","9","1") = "9"
    & skf18("2","1","9","10","3","10","1") = "9"
    & skf18("2","1","9","10","4","1","1") = "9"
    & skf18("2","1","9","10","4","2","1") = "9"
    & skf18("2","1","9","10","4","3","1") = "9"
    & skf18("2","1","9","10","4","4","1") = "9"
    & skf18("2","1","9","10","4","5","1") = "9"
    & skf18("2","1","9","10","4","6","1") = "9"
    & skf18("2","1","9","10","4","7","1") = "9"
    & skf18("2","1","9","10","4","8","1") = "9"
    & skf18("2","1","9","10","4","9","1") = "9"
    & skf18("2","1","9","10","4","10","1") = "9"
    & skf18("2","1","9","10","5","1","1") = "9"
    & skf18("2","1","9","10","5","2","1") = "9"
    & skf18("2","1","9","10","5","3","1") = "9"
    & skf18("2","1","9","10","5","4","1") = "9"
    & skf18("2","1","9","10","5","5","1") = "9"
    & skf18("2","1","9","10","5","6","1") = "9"
    & skf18("2","1","9","10","5","7","1") = "9"
    & skf18("2","1","9","10","5","8","1") = "9"
    & skf18("2","1","9","10","5","9","1") = "9"
    & skf18("2","1","9","10","5","10","1") = "9"
    & skf18("2","1","9","10","6","1","1") = "9"
    & skf18("2","1","9","10","6","2","1") = "9"
    & skf18("2","1","9","10","6","3","1") = "9"
    & skf18("2","1","9","10","6","4","1") = "9"
    & skf18("2","1","9","10","6","5","1") = "9"
    & skf18("2","1","9","10","6","6","1") = "9"
    & skf18("2","1","9","10","6","7","1") = "9"
    & skf18("2","1","9","10","6","8","1") = "9"
    & skf18("2","1","9","10","6","9","1") = "9"
    & skf18("2","1","9","10","6","10","1") = "9"
    & skf18("2","1","9","10","7","1","1") = "9"
    & skf18("2","1","9","10","7","2","1") = "9"
    & skf18("2","1","9","10","7","3","1") = "9"
    & skf18("2","1","9","10","7","4","1") = "9"
    & skf18("2","1","9","10","7","5","1") = "9"
    & skf18("2","1","9","10","7","6","1") = "9"
    & skf18("2","1","9","10","7","7","1") = "9"
    & skf18("2","1","9","10","7","8","1") = "9"
    & skf18("2","1","9","10","7","9","1") = "9"
    & skf18("2","1","9","10","7","10","1") = "9"
    & skf18("2","1","9","10","8","1","1") = "9"
    & skf18("2","1","9","10","8","2","1") = "9"
    & skf18("2","1","9","10","8","3","1") = "9"
    & skf18("2","1","9","10","8","4","1") = "9"
    & skf18("2","1","9","10","8","5","1") = "9"
    & skf18("2","1","9","10","8","6","1") = "9"
    & skf18("2","1","9","10","8","7","1") = "9"
    & skf18("2","1","9","10","8","8","1") = "9"
    & skf18("2","1","9","10","8","9","1") = "9"
    & skf18("2","1","9","10","8","10","1") = "9"
    & skf18("2","1","9","10","9","1","1") = "9"
    & skf18("2","1","9","10","9","2","1") = "9"
    & skf18("2","1","9","10","9","3","1") = "9"
    & skf18("2","1","9","10","9","4","1") = "9"
    & skf18("2","1","9","10","9","5","1") = "9"
    & skf18("2","1","9","10","9","6","1") = "9"
    & skf18("2","1","9","10","9","7","1") = "9"
    & skf18("2","1","9","10","9","8","1") = "9"
    & skf18("2","1","9","10","9","9","1") = "9"
    & skf18("2","1","9","10","9","10","1") = "9"
    & skf18("2","1","9","10","10","1","1") = "9"
    & skf18("2","1","9","10","10","2","1") = "9"
    & skf18("2","1","9","10","10","3","1") = "9"
    & skf18("2","1","9","10","10","4","1") = "9"
    & skf18("2","1","9","10","10","5","1") = "9"
    & skf18("2","1","9","10","10","6","1") = "9"
    & skf18("2","1","9","10","10","7","1") = "9"
    & skf18("2","1","9","10","10","8","1") = "9"
    & skf18("2","1","9","10","10","9","1") = "9"
    & skf18("2","1","9","10","10","10","1") = "9"
    & skf18("2","1","10","1","1","1","1") = "9"
    & skf18("2","1","10","1","1","2","1") = "9"
    & skf18("2","1","10","1","1","3","1") = "9"
    & skf18("2","1","10","1","1","4","1") = "9"
    & skf18("2","1","10","1","1","5","1") = "9"
    & skf18("2","1","10","1","1","6","1") = "9"
    & skf18("2","1","10","1","1","7","1") = "9"
    & skf18("2","1","10","1","1","8","1") = "9"
    & skf18("2","1","10","1","1","9","1") = "9"
    & skf18("2","1","10","1","1","10","1") = "9"
    & skf18("2","1","10","1","2","1","1") = "9"
    & skf18("2","1","10","1","2","2","1") = "9"
    & skf18("2","1","10","1","2","3","1") = "9"
    & skf18("2","1","10","1","2","4","1") = "9"
    & skf18("2","1","10","1","2","5","1") = "9"
    & skf18("2","1","10","1","2","6","1") = "9"
    & skf18("2","1","10","1","2","7","1") = "9"
    & skf18("2","1","10","1","2","8","1") = "9"
    & skf18("2","1","10","1","2","9","1") = "9"
    & skf18("2","1","10","1","2","10","1") = "9"
    & skf18("2","1","10","1","3","1","1") = "9"
    & skf18("2","1","10","1","3","2","1") = "9"
    & skf18("2","1","10","1","3","3","1") = "9"
    & skf18("2","1","10","1","3","4","1") = "9"
    & skf18("2","1","10","1","3","5","1") = "9"
    & skf18("2","1","10","1","3","6","1") = "9"
    & skf18("2","1","10","1","3","7","1") = "9"
    & skf18("2","1","10","1","3","8","1") = "9"
    & skf18("2","1","10","1","3","9","1") = "9"
    & skf18("2","1","10","1","3","10","1") = "9"
    & skf18("2","1","10","1","4","1","1") = "9"
    & skf18("2","1","10","1","4","2","1") = "9"
    & skf18("2","1","10","1","4","3","1") = "9"
    & skf18("2","1","10","1","4","4","1") = "9"
    & skf18("2","1","10","1","4","5","1") = "9"
    & skf18("2","1","10","1","4","6","1") = "9"
    & skf18("2","1","10","1","4","7","1") = "9"
    & skf18("2","1","10","1","4","8","1") = "9"
    & skf18("2","1","10","1","4","9","1") = "9"
    & skf18("2","1","10","1","4","10","1") = "9"
    & skf18("2","1","10","1","5","1","1") = "9"
    & skf18("2","1","10","1","5","2","1") = "9"
    & skf18("2","1","10","1","5","3","1") = "9"
    & skf18("2","1","10","1","5","4","1") = "9"
    & skf18("2","1","10","1","5","5","1") = "9"
    & skf18("2","1","10","1","5","6","1") = "9"
    & skf18("2","1","10","1","5","7","1") = "9"
    & skf18("2","1","10","1","5","8","1") = "9"
    & skf18("2","1","10","1","5","9","1") = "9"
    & skf18("2","1","10","1","5","10","1") = "9"
    & skf18("2","1","10","1","6","1","1") = "9"
    & skf18("2","1","10","1","6","2","1") = "9"
    & skf18("2","1","10","1","6","3","1") = "9"
    & skf18("2","1","10","1","6","4","1") = "9"
    & skf18("2","1","10","1","6","5","1") = "9"
    & skf18("2","1","10","1","6","6","1") = "9"
    & skf18("2","1","10","1","6","7","1") = "9"
    & skf18("2","1","10","1","6","8","1") = "9"
    & skf18("2","1","10","1","6","9","1") = "9"
    & skf18("2","1","10","1","6","10","1") = "9"
    & skf18("2","1","10","1","7","1","1") = "9"
    & skf18("2","1","10","1","7","2","1") = "9"
    & skf18("2","1","10","1","7","3","1") = "9"
    & skf18("2","1","10","1","7","4","1") = "9"
    & skf18("2","1","10","1","7","5","1") = "9"
    & skf18("2","1","10","1","7","6","1") = "9"
    & skf18("2","1","10","1","7","7","1") = "9"
    & skf18("2","1","10","1","7","8","1") = "9"
    & skf18("2","1","10","1","7","9","1") = "9"
    & skf18("2","1","10","1","7","10","1") = "9"
    & skf18("2","1","10","1","8","1","1") = "9"
    & skf18("2","1","10","1","8","2","1") = "9"
    & skf18("2","1","10","1","8","3","1") = "9"
    & skf18("2","1","10","1","8","4","1") = "9"
    & skf18("2","1","10","1","8","5","1") = "9"
    & skf18("2","1","10","1","8","6","1") = "9"
    & skf18("2","1","10","1","8","7","1") = "9"
    & skf18("2","1","10","1","8","8","1") = "9"
    & skf18("2","1","10","1","8","9","1") = "9"
    & skf18("2","1","10","1","8","10","1") = "9"
    & skf18("2","1","10","1","9","1","1") = "9"
    & skf18("2","1","10","1","9","2","1") = "9"
    & skf18("2","1","10","1","9","3","1") = "9"
    & skf18("2","1","10","1","9","4","1") = "9"
    & skf18("2","1","10","1","9","5","1") = "9"
    & skf18("2","1","10","1","9","6","1") = "9"
    & skf18("2","1","10","1","9","7","1") = "9"
    & skf18("2","1","10","1","9","8","1") = "9"
    & skf18("2","1","10","1","9","9","1") = "9"
    & skf18("2","1","10","1","9","10","1") = "9"
    & skf18("2","1","10","1","10","1","1") = "9"
    & skf18("2","1","10","1","10","2","1") = "9"
    & skf18("2","1","10","1","10","3","1") = "9"
    & skf18("2","1","10","1","10","4","1") = "9"
    & skf18("2","1","10","1","10","5","1") = "9"
    & skf18("2","1","10","1","10","6","1") = "9"
    & skf18("2","1","10","1","10","7","1") = "9"
    & skf18("2","1","10","1","10","8","1") = "9"
    & skf18("2","1","10","1","10","9","1") = "9"
    & skf18("2","1","10","1","10","10","1") = "9"
    & skf18("2","1","10","2","1","1","1") = "9"
    & skf18("2","1","10","2","1","2","1") = "9"
    & skf18("2","1","10","2","1","3","1") = "9"
    & skf18("2","1","10","2","1","4","1") = "9"
    & skf18("2","1","10","2","1","5","1") = "9"
    & skf18("2","1","10","2","1","6","1") = "9"
    & skf18("2","1","10","2","1","7","1") = "9"
    & skf18("2","1","10","2","1","8","1") = "9"
    & skf18("2","1","10","2","1","9","1") = "9"
    & skf18("2","1","10","2","1","10","1") = "9"
    & skf18("2","1","10","2","2","1","1") = "9"
    & skf18("2","1","10","2","2","2","1") = "9"
    & skf18("2","1","10","2","2","3","1") = "9"
    & skf18("2","1","10","2","2","4","1") = "9"
    & skf18("2","1","10","2","2","5","1") = "9"
    & skf18("2","1","10","2","2","6","1") = "9"
    & skf18("2","1","10","2","2","7","1") = "9"
    & skf18("2","1","10","2","2","8","1") = "9"
    & skf18("2","1","10","2","2","9","1") = "9"
    & skf18("2","1","10","2","2","10","1") = "9"
    & skf18("2","1","10","2","3","1","1") = "9"
    & skf18("2","1","10","2","3","2","1") = "9"
    & skf18("2","1","10","2","3","3","1") = "9"
    & skf18("2","1","10","2","3","4","1") = "9"
    & skf18("2","1","10","2","3","5","1") = "9"
    & skf18("2","1","10","2","3","6","1") = "9"
    & skf18("2","1","10","2","3","7","1") = "9"
    & skf18("2","1","10","2","3","8","1") = "9"
    & skf18("2","1","10","2","3","9","1") = "9"
    & skf18("2","1","10","2","3","10","1") = "9"
    & skf18("2","1","10","2","4","1","1") = "9"
    & skf18("2","1","10","2","4","2","1") = "9"
    & skf18("2","1","10","2","4","3","1") = "9"
    & skf18("2","1","10","2","4","4","1") = "9"
    & skf18("2","1","10","2","4","5","1") = "9"
    & skf18("2","1","10","2","4","6","1") = "9"
    & skf18("2","1","10","2","4","7","1") = "9"
    & skf18("2","1","10","2","4","8","1") = "9"
    & skf18("2","1","10","2","4","9","1") = "9"
    & skf18("2","1","10","2","4","10","1") = "9"
    & skf18("2","1","10","2","5","1","1") = "9"
    & skf18("2","1","10","2","5","2","1") = "9"
    & skf18("2","1","10","2","5","3","1") = "9"
    & skf18("2","1","10","2","5","4","1") = "9"
    & skf18("2","1","10","2","5","5","1") = "9"
    & skf18("2","1","10","2","5","6","1") = "9"
    & skf18("2","1","10","2","5","7","1") = "9"
    & skf18("2","1","10","2","5","8","1") = "9"
    & skf18("2","1","10","2","5","9","1") = "9"
    & skf18("2","1","10","2","5","10","1") = "9"
    & skf18("2","1","10","2","6","1","1") = "9"
    & skf18("2","1","10","2","6","2","1") = "9"
    & skf18("2","1","10","2","6","3","1") = "9"
    & skf18("2","1","10","2","6","4","1") = "9"
    & skf18("2","1","10","2","6","5","1") = "9"
    & skf18("2","1","10","2","6","6","1") = "9"
    & skf18("2","1","10","2","6","7","1") = "9"
    & skf18("2","1","10","2","6","8","1") = "9"
    & skf18("2","1","10","2","6","9","1") = "9"
    & skf18("2","1","10","2","6","10","1") = "9"
    & skf18("2","1","10","2","7","1","1") = "9"
    & skf18("2","1","10","2","7","2","1") = "9"
    & skf18("2","1","10","2","7","3","1") = "9"
    & skf18("2","1","10","2","7","4","1") = "9"
    & skf18("2","1","10","2","7","5","1") = "9"
    & skf18("2","1","10","2","7","6","1") = "9"
    & skf18("2","1","10","2","7","7","1") = "9"
    & skf18("2","1","10","2","7","8","1") = "9"
    & skf18("2","1","10","2","7","9","1") = "9"
    & skf18("2","1","10","2","7","10","1") = "9"
    & skf18("2","1","10","2","8","1","1") = "9"
    & skf18("2","1","10","2","8","2","1") = "9"
    & skf18("2","1","10","2","8","3","1") = "9"
    & skf18("2","1","10","2","8","4","1") = "9"
    & skf18("2","1","10","2","8","5","1") = "9"
    & skf18("2","1","10","2","8","6","1") = "9"
    & skf18("2","1","10","2","8","7","1") = "9"
    & skf18("2","1","10","2","8","8","1") = "9"
    & skf18("2","1","10","2","8","9","1") = "9"
    & skf18("2","1","10","2","8","10","1") = "9"
    & skf18("2","1","10","2","9","1","1") = "9"
    & skf18("2","1","10","2","9","2","1") = "9"
    & skf18("2","1","10","2","9","3","1") = "9"
    & skf18("2","1","10","2","9","4","1") = "9"
    & skf18("2","1","10","2","9","5","1") = "9"
    & skf18("2","1","10","2","9","6","1") = "9"
    & skf18("2","1","10","2","9","7","1") = "9"
    & skf18("2","1","10","2","9","8","1") = "9"
    & skf18("2","1","10","2","9","9","1") = "9"
    & skf18("2","1","10","2","9","10","1") = "9"
    & skf18("2","1","10","2","10","1","1") = "9"
    & skf18("2","1","10","2","10","2","1") = "9"
    & skf18("2","1","10","2","10","3","1") = "9"
    & skf18("2","1","10","2","10","4","1") = "9"
    & skf18("2","1","10","2","10","5","1") = "9"
    & skf18("2","1","10","2","10","6","1") = "9"
    & skf18("2","1","10","2","10","7","1") = "9"
    & skf18("2","1","10","2","10","8","1") = "9"
    & skf18("2","1","10","2","10","9","1") = "9"
    & skf18("2","1","10","2","10","10","1") = "9"
    & skf18("2","1","10","3","1","1","1") = "9"
    & skf18("2","1","10","3","1","2","1") = "9"
    & skf18("2","1","10","3","1","3","1") = "9"
    & skf18("2","1","10","3","1","4","1") = "9"
    & skf18("2","1","10","3","1","5","1") = "9"
    & skf18("2","1","10","3","1","6","1") = "9"
    & skf18("2","1","10","3","1","7","1") = "9"
    & skf18("2","1","10","3","1","8","1") = "9"
    & skf18("2","1","10","3","1","9","1") = "9"
    & skf18("2","1","10","3","1","10","1") = "9"
    & skf18("2","1","10","3","2","1","1") = "9"
    & skf18("2","1","10","3","2","2","1") = "9"
    & skf18("2","1","10","3","2","3","1") = "9"
    & skf18("2","1","10","3","2","4","1") = "9"
    & skf18("2","1","10","3","2","5","1") = "9"
    & skf18("2","1","10","3","2","6","1") = "9"
    & skf18("2","1","10","3","2","7","1") = "9"
    & skf18("2","1","10","3","2","8","1") = "9"
    & skf18("2","1","10","3","2","9","1") = "9"
    & skf18("2","1","10","3","2","10","1") = "9"
    & skf18("2","1","10","3","3","1","1") = "9"
    & skf18("2","1","10","3","3","2","1") = "9"
    & skf18("2","1","10","3","3","3","1") = "9"
    & skf18("2","1","10","3","3","4","1") = "9"
    & skf18("2","1","10","3","3","5","1") = "9"
    & skf18("2","1","10","3","3","6","1") = "9"
    & skf18("2","1","10","3","3","7","1") = "9"
    & skf18("2","1","10","3","3","8","1") = "9"
    & skf18("2","1","10","3","3","9","1") = "9"
    & skf18("2","1","10","3","3","10","1") = "9"
    & skf18("2","1","10","3","4","1","1") = "9"
    & skf18("2","1","10","3","4","2","1") = "9"
    & skf18("2","1","10","3","4","3","1") = "9"
    & skf18("2","1","10","3","4","4","1") = "9"
    & skf18("2","1","10","3","4","5","1") = "9"
    & skf18("2","1","10","3","4","6","1") = "9"
    & skf18("2","1","10","3","4","7","1") = "9"
    & skf18("2","1","10","3","4","8","1") = "9"
    & skf18("2","1","10","3","4","9","1") = "9"
    & skf18("2","1","10","3","4","10","1") = "9"
    & skf18("2","1","10","3","5","1","1") = "9"
    & skf18("2","1","10","3","5","2","1") = "9"
    & skf18("2","1","10","3","5","3","1") = "9"
    & skf18("2","1","10","3","5","4","1") = "9"
    & skf18("2","1","10","3","5","5","1") = "9"
    & skf18("2","1","10","3","5","6","1") = "9"
    & skf18("2","1","10","3","5","7","1") = "9"
    & skf18("2","1","10","3","5","8","1") = "9"
    & skf18("2","1","10","3","5","9","1") = "9"
    & skf18("2","1","10","3","5","10","1") = "9"
    & skf18("2","1","10","3","6","1","1") = "9"
    & skf18("2","1","10","3","6","2","1") = "9"
    & skf18("2","1","10","3","6","3","1") = "9"
    & skf18("2","1","10","3","6","4","1") = "9"
    & skf18("2","1","10","3","6","5","1") = "9"
    & skf18("2","1","10","3","6","6","1") = "9"
    & skf18("2","1","10","3","6","7","1") = "9"
    & skf18("2","1","10","3","6","8","1") = "9"
    & skf18("2","1","10","3","6","9","1") = "9"
    & skf18("2","1","10","3","6","10","1") = "9"
    & skf18("2","1","10","3","7","1","1") = "9"
    & skf18("2","1","10","3","7","2","1") = "9"
    & skf18("2","1","10","3","7","3","1") = "9"
    & skf18("2","1","10","3","7","4","1") = "9"
    & skf18("2","1","10","3","7","5","1") = "9"
    & skf18("2","1","10","3","7","6","1") = "9"
    & skf18("2","1","10","3","7","7","1") = "9"
    & skf18("2","1","10","3","7","8","1") = "9"
    & skf18("2","1","10","3","7","9","1") = "9"
    & skf18("2","1","10","3","7","10","1") = "9"
    & skf18("2","1","10","3","8","1","1") = "9"
    & skf18("2","1","10","3","8","2","1") = "9"
    & skf18("2","1","10","3","8","3","1") = "9"
    & skf18("2","1","10","3","8","4","1") = "9"
    & skf18("2","1","10","3","8","5","1") = "9"
    & skf18("2","1","10","3","8","6","1") = "9"
    & skf18("2","1","10","3","8","7","1") = "9"
    & skf18("2","1","10","3","8","8","1") = "9"
    & skf18("2","1","10","3","8","9","1") = "9"
    & skf18("2","1","10","3","8","10","1") = "9"
    & skf18("2","1","10","3","9","1","1") = "9"
    & skf18("2","1","10","3","9","2","1") = "9"
    & skf18("2","1","10","3","9","3","1") = "9"
    & skf18("2","1","10","3","9","4","1") = "9"
    & skf18("2","1","10","3","9","5","1") = "9"
    & skf18("2","1","10","3","9","6","1") = "9"
    & skf18("2","1","10","3","9","7","1") = "9"
    & skf18("2","1","10","3","9","8","1") = "9"
    & skf18("2","1","10","3","9","9","1") = "9"
    & skf18("2","1","10","3","9","10","1") = "9"
    & skf18("2","1","10","3","10","1","1") = "9"
    & skf18("2","1","10","3","10","2","1") = "9"
    & skf18("2","1","10","3","10","3","1") = "9"
    & skf18("2","1","10","3","10","4","1") = "9"
    & skf18("2","1","10","3","10","5","1") = "9"
    & skf18("2","1","10","3","10","6","1") = "9"
    & skf18("2","1","10","3","10","7","1") = "9"
    & skf18("2","1","10","3","10","8","1") = "9"
    & skf18("2","1","10","3","10","9","1") = "9"
    & skf18("2","1","10","3","10","10","1") = "9"
    & skf18("2","1","10","4","1","1","1") = "9"
    & skf18("2","1","10","4","1","2","1") = "9"
    & skf18("2","1","10","4","1","3","1") = "9"
    & skf18("2","1","10","4","1","4","1") = "9"
    & skf18("2","1","10","4","1","5","1") = "9"
    & skf18("2","1","10","4","1","6","1") = "9"
    & skf18("2","1","10","4","1","7","1") = "9"
    & skf18("2","1","10","4","1","8","1") = "9"
    & skf18("2","1","10","4","1","9","1") = "9"
    & skf18("2","1","10","4","1","10","1") = "9"
    & skf18("2","1","10","4","2","1","1") = "9"
    & skf18("2","1","10","4","2","2","1") = "9"
    & skf18("2","1","10","4","2","3","1") = "9"
    & skf18("2","1","10","4","2","4","1") = "9"
    & skf18("2","1","10","4","2","5","1") = "9"
    & skf18("2","1","10","4","2","6","1") = "9"
    & skf18("2","1","10","4","2","7","1") = "9"
    & skf18("2","1","10","4","2","8","1") = "9"
    & skf18("2","1","10","4","2","9","1") = "9"
    & skf18("2","1","10","4","2","10","1") = "9"
    & skf18("2","1","10","4","3","1","1") = "9"
    & skf18("2","1","10","4","3","2","1") = "9"
    & skf18("2","1","10","4","3","3","1") = "9"
    & skf18("2","1","10","4","3","4","1") = "9"
    & skf18("2","1","10","4","3","5","1") = "9"
    & skf18("2","1","10","4","3","6","1") = "9"
    & skf18("2","1","10","4","3","7","1") = "9"
    & skf18("2","1","10","4","3","8","1") = "9"
    & skf18("2","1","10","4","3","9","1") = "9"
    & skf18("2","1","10","4","3","10","1") = "9"
    & skf18("2","1","10","4","4","1","1") = "9"
    & skf18("2","1","10","4","4","2","1") = "9"
    & skf18("2","1","10","4","4","3","1") = "9"
    & skf18("2","1","10","4","4","4","1") = "9"
    & skf18("2","1","10","4","4","5","1") = "9"
    & skf18("2","1","10","4","4","6","1") = "9"
    & skf18("2","1","10","4","4","7","1") = "9"
    & skf18("2","1","10","4","4","8","1") = "9"
    & skf18("2","1","10","4","4","9","1") = "9"
    & skf18("2","1","10","4","4","10","1") = "9"
    & skf18("2","1","10","4","5","1","1") = "9"
    & skf18("2","1","10","4","5","2","1") = "9"
    & skf18("2","1","10","4","5","3","1") = "9"
    & skf18("2","1","10","4","5","4","1") = "9"
    & skf18("2","1","10","4","5","5","1") = "9"
    & skf18("2","1","10","4","5","6","1") = "9"
    & skf18("2","1","10","4","5","7","1") = "9"
    & skf18("2","1","10","4","5","8","1") = "9"
    & skf18("2","1","10","4","5","9","1") = "9"
    & skf18("2","1","10","4","5","10","1") = "9"
    & skf18("2","1","10","4","6","1","1") = "9"
    & skf18("2","1","10","4","6","2","1") = "9"
    & skf18("2","1","10","4","6","3","1") = "9"
    & skf18("2","1","10","4","6","4","1") = "9"
    & skf18("2","1","10","4","6","5","1") = "9"
    & skf18("2","1","10","4","6","6","1") = "9"
    & skf18("2","1","10","4","6","7","1") = "9"
    & skf18("2","1","10","4","6","8","1") = "9"
    & skf18("2","1","10","4","6","9","1") = "9"
    & skf18("2","1","10","4","6","10","1") = "9"
    & skf18("2","1","10","4","7","1","1") = "9"
    & skf18("2","1","10","4","7","2","1") = "9"
    & skf18("2","1","10","4","7","3","1") = "9"
    & skf18("2","1","10","4","7","4","1") = "9"
    & skf18("2","1","10","4","7","5","1") = "9"
    & skf18("2","1","10","4","7","6","1") = "9"
    & skf18("2","1","10","4","7","7","1") = "9"
    & skf18("2","1","10","4","7","8","1") = "9"
    & skf18("2","1","10","4","7","9","1") = "9"
    & skf18("2","1","10","4","7","10","1") = "9"
    & skf18("2","1","10","4","8","1","1") = "9"
    & skf18("2","1","10","4","8","2","1") = "9"
    & skf18("2","1","10","4","8","3","1") = "9"
    & skf18("2","1","10","4","8","4","1") = "9"
    & skf18("2","1","10","4","8","5","1") = "9"
    & skf18("2","1","10","4","8","6","1") = "9"
    & skf18("2","1","10","4","8","7","1") = "9"
    & skf18("2","1","10","4","8","8","1") = "9"
    & skf18("2","1","10","4","8","9","1") = "9"
    & skf18("2","1","10","4","8","10","1") = "9"
    & skf18("2","1","10","4","9","1","1") = "9"
    & skf18("2","1","10","4","9","2","1") = "9"
    & skf18("2","1","10","4","9","3","1") = "9"
    & skf18("2","1","10","4","9","4","1") = "9"
    & skf18("2","1","10","4","9","5","1") = "9"
    & skf18("2","1","10","4","9","6","1") = "9"
    & skf18("2","1","10","4","9","7","1") = "9"
    & skf18("2","1","10","4","9","8","1") = "9"
    & skf18("2","1","10","4","9","9","1") = "9"
    & skf18("2","1","10","4","9","10","1") = "9"
    & skf18("2","1","10","4","10","1","1") = "9"
    & skf18("2","1","10","4","10","2","1") = "9"
    & skf18("2","1","10","4","10","3","1") = "9"
    & skf18("2","1","10","4","10","4","1") = "9"
    & skf18("2","1","10","4","10","5","1") = "9"
    & skf18("2","1","10","4","10","6","1") = "9"
    & skf18("2","1","10","4","10","7","1") = "9"
    & skf18("2","1","10","4","10","8","1") = "9"
    & skf18("2","1","10","4","10","9","1") = "9"
    & skf18("2","1","10","4","10","10","1") = "9"
    & skf18("2","1","10","5","1","1","1") = "9"
    & skf18("2","1","10","5","1","2","1") = "9"
    & skf18("2","1","10","5","1","3","1") = "9"
    & skf18("2","1","10","5","1","4","1") = "9"
    & skf18("2","1","10","5","1","5","1") = "9"
    & skf18("2","1","10","5","1","6","1") = "9"
    & skf18("2","1","10","5","1","7","1") = "9"
    & skf18("2","1","10","5","1","8","1") = "9"
    & skf18("2","1","10","5","1","9","1") = "9"
    & skf18("2","1","10","5","1","10","1") = "9"
    & skf18("2","1","10","5","2","1","1") = "9"
    & skf18("2","1","10","5","2","2","1") = "9"
    & skf18("2","1","10","5","2","3","1") = "9"
    & skf18("2","1","10","5","2","4","1") = "9"
    & skf18("2","1","10","5","2","5","1") = "9"
    & skf18("2","1","10","5","2","6","1") = "9"
    & skf18("2","1","10","5","2","7","1") = "9"
    & skf18("2","1","10","5","2","8","1") = "9"
    & skf18("2","1","10","5","2","9","1") = "9"
    & skf18("2","1","10","5","2","10","1") = "9"
    & skf18("2","1","10","5","3","1","1") = "9"
    & skf18("2","1","10","5","3","2","1") = "9"
    & skf18("2","1","10","5","3","3","1") = "9"
    & skf18("2","1","10","5","3","4","1") = "9"
    & skf18("2","1","10","5","3","5","1") = "9"
    & skf18("2","1","10","5","3","6","1") = "9"
    & skf18("2","1","10","5","3","7","1") = "9"
    & skf18("2","1","10","5","3","8","1") = "9"
    & skf18("2","1","10","5","3","9","1") = "9"
    & skf18("2","1","10","5","3","10","1") = "9"
    & skf18("2","1","10","5","4","1","1") = "9"
    & skf18("2","1","10","5","4","2","1") = "9"
    & skf18("2","1","10","5","4","3","1") = "9"
    & skf18("2","1","10","5","4","4","1") = "9"
    & skf18("2","1","10","5","4","5","1") = "9"
    & skf18("2","1","10","5","4","6","1") = "9"
    & skf18("2","1","10","5","4","7","1") = "9"
    & skf18("2","1","10","5","4","8","1") = "9"
    & skf18("2","1","10","5","4","9","1") = "9"
    & skf18("2","1","10","5","4","10","1") = "9"
    & skf18("2","1","10","5","5","1","1") = "9"
    & skf18("2","1","10","5","5","2","1") = "9"
    & skf18("2","1","10","5","5","3","1") = "9"
    & skf18("2","1","10","5","5","4","1") = "9"
    & skf18("2","1","10","5","5","5","1") = "9"
    & skf18("2","1","10","5","5","6","1") = "9"
    & skf18("2","1","10","5","5","7","1") = "9"
    & skf18("2","1","10","5","5","8","1") = "9"
    & skf18("2","1","10","5","5","9","1") = "9"
    & skf18("2","1","10","5","5","10","1") = "9"
    & skf18("2","1","10","5","6","1","1") = "9"
    & skf18("2","1","10","5","6","2","1") = "9"
    & skf18("2","1","10","5","6","3","1") = "9"
    & skf18("2","1","10","5","6","4","1") = "9"
    & skf18("2","1","10","5","6","5","1") = "9"
    & skf18("2","1","10","5","6","6","1") = "9"
    & skf18("2","1","10","5","6","7","1") = "9"
    & skf18("2","1","10","5","6","8","1") = "9"
    & skf18("2","1","10","5","6","9","1") = "9"
    & skf18("2","1","10","5","6","10","1") = "9"
    & skf18("2","1","10","5","7","1","1") = "9"
    & skf18("2","1","10","5","7","2","1") = "9"
    & skf18("2","1","10","5","7","3","1") = "9"
    & skf18("2","1","10","5","7","4","1") = "9"
    & skf18("2","1","10","5","7","5","1") = "9"
    & skf18("2","1","10","5","7","6","1") = "9"
    & skf18("2","1","10","5","7","7","1") = "9"
    & skf18("2","1","10","5","7","8","1") = "9"
    & skf18("2","1","10","5","7","9","1") = "9"
    & skf18("2","1","10","5","7","10","1") = "9"
    & skf18("2","1","10","5","8","1","1") = "9"
    & skf18("2","1","10","5","8","2","1") = "9"
    & skf18("2","1","10","5","8","3","1") = "9"
    & skf18("2","1","10","5","8","4","1") = "9"
    & skf18("2","1","10","5","8","5","1") = "9"
    & skf18("2","1","10","5","8","6","1") = "9"
    & skf18("2","1","10","5","8","7","1") = "9"
    & skf18("2","1","10","5","8","8","1") = "9"
    & skf18("2","1","10","5","8","9","1") = "9"
    & skf18("2","1","10","5","8","10","1") = "9"
    & skf18("2","1","10","5","9","1","1") = "9"
    & skf18("2","1","10","5","9","2","1") = "9"
    & skf18("2","1","10","5","9","3","1") = "9"
    & skf18("2","1","10","5","9","4","1") = "9"
    & skf18("2","1","10","5","9","5","1") = "9"
    & skf18("2","1","10","5","9","6","1") = "9"
    & skf18("2","1","10","5","9","7","1") = "9"
    & skf18("2","1","10","5","9","8","1") = "9"
    & skf18("2","1","10","5","9","9","1") = "9"
    & skf18("2","1","10","5","9","10","1") = "9"
    & skf18("2","1","10","5","10","1","1") = "9"
    & skf18("2","1","10","5","10","2","1") = "9"
    & skf18("2","1","10","5","10","3","1") = "9"
    & skf18("2","1","10","5","10","4","1") = "9"
    & skf18("2","1","10","5","10","5","1") = "9"
    & skf18("2","1","10","5","10","6","1") = "9"
    & skf18("2","1","10","5","10","7","1") = "9"
    & skf18("2","1","10","5","10","8","1") = "9"
    & skf18("2","1","10","5","10","9","1") = "9"
    & skf18("2","1","10","5","10","10","1") = "9"
    & skf18("2","1","10","6","1","1","1") = "9"
    & skf18("2","1","10","6","1","2","1") = "9"
    & skf18("2","1","10","6","1","3","1") = "9"
    & skf18("2","1","10","6","1","4","1") = "9"
    & skf18("2","1","10","6","1","5","1") = "9"
    & skf18("2","1","10","6","1","6","1") = "9"
    & skf18("2","1","10","6","1","7","1") = "9"
    & skf18("2","1","10","6","1","8","1") = "9"
    & skf18("2","1","10","6","1","9","1") = "9"
    & skf18("2","1","10","6","1","10","1") = "9"
    & skf18("2","1","10","6","2","1","1") = "9"
    & skf18("2","1","10","6","2","2","1") = "9"
    & skf18("2","1","10","6","2","3","1") = "9"
    & skf18("2","1","10","6","2","4","1") = "9"
    & skf18("2","1","10","6","2","5","1") = "9"
    & skf18("2","1","10","6","2","6","1") = "9"
    & skf18("2","1","10","6","2","7","1") = "9"
    & skf18("2","1","10","6","2","8","1") = "9"
    & skf18("2","1","10","6","2","9","1") = "9"
    & skf18("2","1","10","6","2","10","1") = "9"
    & skf18("2","1","10","6","3","1","1") = "9"
    & skf18("2","1","10","6","3","2","1") = "9"
    & skf18("2","1","10","6","3","3","1") = "9"
    & skf18("2","1","10","6","3","4","1") = "9"
    & skf18("2","1","10","6","3","5","1") = "9"
    & skf18("2","1","10","6","3","6","1") = "9"
    & skf18("2","1","10","6","3","7","1") = "9"
    & skf18("2","1","10","6","3","8","1") = "9"
    & skf18("2","1","10","6","3","9","1") = "9"
    & skf18("2","1","10","6","3","10","1") = "9"
    & skf18("2","1","10","6","4","1","1") = "9"
    & skf18("2","1","10","6","4","2","1") = "9"
    & skf18("2","1","10","6","4","3","1") = "9"
    & skf18("2","1","10","6","4","4","1") = "9"
    & skf18("2","1","10","6","4","5","1") = "9"
    & skf18("2","1","10","6","4","6","1") = "9"
    & skf18("2","1","10","6","4","7","1") = "9"
    & skf18("2","1","10","6","4","8","1") = "9"
    & skf18("2","1","10","6","4","9","1") = "9"
    & skf18("2","1","10","6","4","10","1") = "9"
    & skf18("2","1","10","6","5","1","1") = "9"
    & skf18("2","1","10","6","5","2","1") = "9"
    & skf18("2","1","10","6","5","3","1") = "9"
    & skf18("2","1","10","6","5","4","1") = "9"
    & skf18("2","1","10","6","5","5","1") = "9"
    & skf18("2","1","10","6","5","6","1") = "9"
    & skf18("2","1","10","6","5","7","1") = "9"
    & skf18("2","1","10","6","5","8","1") = "9"
    & skf18("2","1","10","6","5","9","1") = "9"
    & skf18("2","1","10","6","5","10","1") = "9"
    & skf18("2","1","10","6","6","1","1") = "9"
    & skf18("2","1","10","6","6","2","1") = "9"
    & skf18("2","1","10","6","6","3","1") = "9"
    & skf18("2","1","10","6","6","4","1") = "9"
    & skf18("2","1","10","6","6","5","1") = "9"
    & skf18("2","1","10","6","6","6","1") = "9"
    & skf18("2","1","10","6","6","7","1") = "9"
    & skf18("2","1","10","6","6","8","1") = "9"
    & skf18("2","1","10","6","6","9","1") = "9"
    & skf18("2","1","10","6","6","10","1") = "9"
    & skf18("2","1","10","6","7","1","1") = "9"
    & skf18("2","1","10","6","7","2","1") = "9"
    & skf18("2","1","10","6","7","3","1") = "9"
    & skf18("2","1","10","6","7","4","1") = "9"
    & skf18("2","1","10","6","7","5","1") = "9"
    & skf18("2","1","10","6","7","6","1") = "9"
    & skf18("2","1","10","6","7","7","1") = "9"
    & skf18("2","1","10","6","7","8","1") = "9"
    & skf18("2","1","10","6","7","9","1") = "9"
    & skf18("2","1","10","6","7","10","1") = "9"
    & skf18("2","1","10","6","8","1","1") = "9"
    & skf18("2","1","10","6","8","2","1") = "9"
    & skf18("2","1","10","6","8","3","1") = "9"
    & skf18("2","1","10","6","8","4","1") = "9"
    & skf18("2","1","10","6","8","5","1") = "9"
    & skf18("2","1","10","6","8","6","1") = "9"
    & skf18("2","1","10","6","8","7","1") = "9"
    & skf18("2","1","10","6","8","8","1") = "9"
    & skf18("2","1","10","6","8","9","1") = "9"
    & skf18("2","1","10","6","8","10","1") = "9"
    & skf18("2","1","10","6","9","1","1") = "9"
    & skf18("2","1","10","6","9","2","1") = "9"
    & skf18("2","1","10","6","9","3","1") = "9"
    & skf18("2","1","10","6","9","4","1") = "9"
    & skf18("2","1","10","6","9","5","1") = "9"
    & skf18("2","1","10","6","9","6","1") = "9"
    & skf18("2","1","10","6","9","7","1") = "9"
    & skf18("2","1","10","6","9","8","1") = "9"
    & skf18("2","1","10","6","9","9","1") = "9"
    & skf18("2","1","10","6","9","10","1") = "9"
    & skf18("2","1","10","6","10","1","1") = "9"
    & skf18("2","1","10","6","10","2","1") = "9"
    & skf18("2","1","10","6","10","3","1") = "9"
    & skf18("2","1","10","6","10","4","1") = "9"
    & skf18("2","1","10","6","10","5","1") = "9"
    & skf18("2","1","10","6","10","6","1") = "9"
    & skf18("2","1","10","6","10","7","1") = "9"
    & skf18("2","1","10","6","10","8","1") = "9"
    & skf18("2","1","10","6","10","9","1") = "9"
    & skf18("2","1","10","6","10","10","1") = "9"
    & skf18("2","1","10","7","1","1","1") = "9"
    & skf18("2","1","10","7","1","2","1") = "9"
    & skf18("2","1","10","7","1","3","1") = "9"
    & skf18("2","1","10","7","1","4","1") = "9"
    & skf18("2","1","10","7","1","5","1") = "9"
    & skf18("2","1","10","7","1","6","1") = "9"
    & skf18("2","1","10","7","1","7","1") = "9"
    & skf18("2","1","10","7","1","8","1") = "9"
    & skf18("2","1","10","7","1","9","1") = "9"
    & skf18("2","1","10","7","1","10","1") = "9"
    & skf18("2","1","10","7","2","1","1") = "9"
    & skf18("2","1","10","7","2","2","1") = "9"
    & skf18("2","1","10","7","2","3","1") = "9"
    & skf18("2","1","10","7","2","4","1") = "9"
    & skf18("2","1","10","7","2","5","1") = "9"
    & skf18("2","1","10","7","2","6","1") = "9"
    & skf18("2","1","10","7","2","7","1") = "9"
    & skf18("2","1","10","7","2","8","1") = "9"
    & skf18("2","1","10","7","2","9","1") = "9"
    & skf18("2","1","10","7","2","10","1") = "9"
    & skf18("2","1","10","7","3","1","1") = "9"
    & skf18("2","1","10","7","3","2","1") = "9"
    & skf18("2","1","10","7","3","3","1") = "9"
    & skf18("2","1","10","7","3","4","1") = "9"
    & skf18("2","1","10","7","3","5","1") = "9"
    & skf18("2","1","10","7","3","6","1") = "9"
    & skf18("2","1","10","7","3","7","1") = "9"
    & skf18("2","1","10","7","3","8","1") = "9"
    & skf18("2","1","10","7","3","9","1") = "9"
    & skf18("2","1","10","7","3","10","1") = "9"
    & skf18("2","1","10","7","4","1","1") = "9"
    & skf18("2","1","10","7","4","2","1") = "9"
    & skf18("2","1","10","7","4","3","1") = "9"
    & skf18("2","1","10","7","4","4","1") = "9"
    & skf18("2","1","10","7","4","5","1") = "9"
    & skf18("2","1","10","7","4","6","1") = "9"
    & skf18("2","1","10","7","4","7","1") = "9"
    & skf18("2","1","10","7","4","8","1") = "9"
    & skf18("2","1","10","7","4","9","1") = "9"
    & skf18("2","1","10","7","4","10","1") = "9"
    & skf18("2","1","10","7","5","1","1") = "9"
    & skf18("2","1","10","7","5","2","1") = "9"
    & skf18("2","1","10","7","5","3","1") = "9"
    & skf18("2","1","10","7","5","4","1") = "9"
    & skf18("2","1","10","7","5","5","1") = "9"
    & skf18("2","1","10","7","5","6","1") = "9"
    & skf18("2","1","10","7","5","7","1") = "9"
    & skf18("2","1","10","7","5","8","1") = "9"
    & skf18("2","1","10","7","5","9","1") = "9"
    & skf18("2","1","10","7","5","10","1") = "9"
    & skf18("2","1","10","7","6","1","1") = "9"
    & skf18("2","1","10","7","6","2","1") = "9"
    & skf18("2","1","10","7","6","3","1") = "9"
    & skf18("2","1","10","7","6","4","1") = "9"
    & skf18("2","1","10","7","6","5","1") = "9"
    & skf18("2","1","10","7","6","6","1") = "9"
    & skf18("2","1","10","7","6","7","1") = "9"
    & skf18("2","1","10","7","6","8","1") = "9"
    & skf18("2","1","10","7","6","9","1") = "9"
    & skf18("2","1","10","7","6","10","1") = "9"
    & skf18("2","1","10","7","7","1","1") = "9"
    & skf18("2","1","10","7","7","2","1") = "9"
    & skf18("2","1","10","7","7","3","1") = "9"
    & skf18("2","1","10","7","7","4","1") = "9"
    & skf18("2","1","10","7","7","5","1") = "9"
    & skf18("2","1","10","7","7","6","1") = "9"
    & skf18("2","1","10","7","7","7","1") = "9"
    & skf18("2","1","10","7","7","8","1") = "9"
    & skf18("2","1","10","7","7","9","1") = "9"
    & skf18("2","1","10","7","7","10","1") = "9"
    & skf18("2","1","10","7","8","1","1") = "9"
    & skf18("2","1","10","7","8","2","1") = "9"
    & skf18("2","1","10","7","8","3","1") = "9"
    & skf18("2","1","10","7","8","4","1") = "9"
    & skf18("2","1","10","7","8","5","1") = "9"
    & skf18("2","1","10","7","8","6","1") = "9"
    & skf18("2","1","10","7","8","7","1") = "9"
    & skf18("2","1","10","7","8","8","1") = "9"
    & skf18("2","1","10","7","8","9","1") = "9"
    & skf18("2","1","10","7","8","10","1") = "9"
    & skf18("2","1","10","7","9","1","1") = "9"
    & skf18("2","1","10","7","9","2","1") = "9"
    & skf18("2","1","10","7","9","3","1") = "9"
    & skf18("2","1","10","7","9","4","1") = "9"
    & skf18("2","1","10","7","9","5","1") = "9"
    & skf18("2","1","10","7","9","6","1") = "9"
    & skf18("2","1","10","7","9","7","1") = "9"
    & skf18("2","1","10","7","9","8","1") = "9"
    & skf18("2","1","10","7","9","9","1") = "9"
    & skf18("2","1","10","7","9","10","1") = "9"
    & skf18("2","1","10","7","10","1","1") = "9"
    & skf18("2","1","10","7","10","2","1") = "9"
    & skf18("2","1","10","7","10","3","1") = "9"
    & skf18("2","1","10","7","10","4","1") = "9"
    & skf18("2","1","10","7","10","5","1") = "9"
    & skf18("2","1","10","7","10","6","1") = "9"
    & skf18("2","1","10","7","10","7","1") = "9"
    & skf18("2","1","10","7","10","8","1") = "9"
    & skf18("2","1","10","7","10","9","1") = "9"
    & skf18("2","1","10","7","10","10","1") = "9"
    & skf18("2","1","10","8","1","1","1") = "9"
    & skf18("2","1","10","8","1","2","1") = "9"
    & skf18("2","1","10","8","1","3","1") = "9"
    & skf18("2","1","10","8","1","4","1") = "9"
    & skf18("2","1","10","8","1","5","1") = "9"
    & skf18("2","1","10","8","1","6","1") = "9"
    & skf18("2","1","10","8","1","7","1") = "9"
    & skf18("2","1","10","8","1","8","1") = "9"
    & skf18("2","1","10","8","1","9","1") = "9"
    & skf18("2","1","10","8","1","10","1") = "9"
    & skf18("2","1","10","8","2","1","1") = "9"
    & skf18("2","1","10","8","2","2","1") = "9"
    & skf18("2","1","10","8","2","3","1") = "9"
    & skf18("2","1","10","8","2","4","1") = "9"
    & skf18("2","1","10","8","2","5","1") = "9"
    & skf18("2","1","10","8","2","6","1") = "9"
    & skf18("2","1","10","8","2","7","1") = "9"
    & skf18("2","1","10","8","2","8","1") = "9"
    & skf18("2","1","10","8","2","9","1") = "9"
    & skf18("2","1","10","8","2","10","1") = "9"
    & skf18("2","1","10","8","3","1","1") = "9"
    & skf18("2","1","10","8","3","2","1") = "9"
    & skf18("2","1","10","8","3","3","1") = "9"
    & skf18("2","1","10","8","3","4","1") = "9"
    & skf18("2","1","10","8","3","5","1") = "9"
    & skf18("2","1","10","8","3","6","1") = "9"
    & skf18("2","1","10","8","3","7","1") = "9"
    & skf18("2","1","10","8","3","8","1") = "9"
    & skf18("2","1","10","8","3","9","1") = "9"
    & skf18("2","1","10","8","3","10","1") = "9"
    & skf18("2","1","10","8","4","1","1") = "9"
    & skf18("2","1","10","8","4","2","1") = "9"
    & skf18("2","1","10","8","4","3","1") = "9"
    & skf18("2","1","10","8","4","4","1") = "9"
    & skf18("2","1","10","8","4","5","1") = "9"
    & skf18("2","1","10","8","4","6","1") = "9"
    & skf18("2","1","10","8","4","7","1") = "9"
    & skf18("2","1","10","8","4","8","1") = "9"
    & skf18("2","1","10","8","4","9","1") = "9"
    & skf18("2","1","10","8","4","10","1") = "9"
    & skf18("2","1","10","8","5","1","1") = "9"
    & skf18("2","1","10","8","5","2","1") = "9"
    & skf18("2","1","10","8","5","3","1") = "9"
    & skf18("2","1","10","8","5","4","1") = "9"
    & skf18("2","1","10","8","5","5","1") = "9"
    & skf18("2","1","10","8","5","6","1") = "9"
    & skf18("2","1","10","8","5","7","1") = "9"
    & skf18("2","1","10","8","5","8","1") = "9"
    & skf18("2","1","10","8","5","9","1") = "9"
    & skf18("2","1","10","8","5","10","1") = "9"
    & skf18("2","1","10","8","6","1","1") = "9"
    & skf18("2","1","10","8","6","2","1") = "9"
    & skf18("2","1","10","8","6","3","1") = "9"
    & skf18("2","1","10","8","6","4","1") = "9"
    & skf18("2","1","10","8","6","5","1") = "9"
    & skf18("2","1","10","8","6","6","1") = "9"
    & skf18("2","1","10","8","6","7","1") = "9"
    & skf18("2","1","10","8","6","8","1") = "9"
    & skf18("2","1","10","8","6","9","1") = "9"
    & skf18("2","1","10","8","6","10","1") = "9"
    & skf18("2","1","10","8","7","1","1") = "9"
    & skf18("2","1","10","8","7","2","1") = "9"
    & skf18("2","1","10","8","7","3","1") = "9"
    & skf18("2","1","10","8","7","4","1") = "9"
    & skf18("2","1","10","8","7","5","1") = "9"
    & skf18("2","1","10","8","7","6","1") = "9"
    & skf18("2","1","10","8","7","7","1") = "9"
    & skf18("2","1","10","8","7","8","1") = "9"
    & skf18("2","1","10","8","7","9","1") = "9"
    & skf18("2","1","10","8","7","10","1") = "9"
    & skf18("2","1","10","8","8","1","1") = "9"
    & skf18("2","1","10","8","8","2","1") = "9"
    & skf18("2","1","10","8","8","3","1") = "9"
    & skf18("2","1","10","8","8","4","1") = "9"
    & skf18("2","1","10","8","8","5","1") = "9"
    & skf18("2","1","10","8","8","6","1") = "9"
    & skf18("2","1","10","8","8","7","1") = "9"
    & skf18("2","1","10","8","8","8","1") = "9"
    & skf18("2","1","10","8","8","9","1") = "9"
    & skf18("2","1","10","8","8","10","1") = "9"
    & skf18("2","1","10","8","9","1","1") = "9"
    & skf18("2","1","10","8","9","2","1") = "9"
    & skf18("2","1","10","8","9","3","1") = "9"
    & skf18("2","1","10","8","9","4","1") = "9"
    & skf18("2","1","10","8","9","5","1") = "9"
    & skf18("2","1","10","8","9","6","1") = "9"
    & skf18("2","1","10","8","9","7","1") = "9"
    & skf18("2","1","10","8","9","8","1") = "9"
    & skf18("2","1","10","8","9","9","1") = "9"
    & skf18("2","1","10","8","9","10","1") = "9"
    & skf18("2","1","10","8","10","1","1") = "9"
    & skf18("2","1","10","8","10","2","1") = "9"
    & skf18("2","1","10","8","10","3","1") = "9"
    & skf18("2","1","10","8","10","4","1") = "9"
    & skf18("2","1","10","8","10","5","1") = "9"
    & skf18("2","1","10","8","10","6","1") = "9"
    & skf18("2","1","10","8","10","7","1") = "9"
    & skf18("2","1","10","8","10","8","1") = "9"
    & skf18("2","1","10","8","10","9","1") = "9"
    & skf18("2","1","10","8","10","10","1") = "9"
    & skf18("2","1","10","9","1","1","1") = "9"
    & skf18("2","1","10","9","1","2","1") = "9"
    & skf18("2","1","10","9","1","3","1") = "9"
    & skf18("2","1","10","9","1","4","1") = "9"
    & skf18("2","1","10","9","1","5","1") = "9"
    & skf18("2","1","10","9","1","6","1") = "9"
    & skf18("2","1","10","9","1","7","1") = "9"
    & skf18("2","1","10","9","1","8","1") = "9"
    & skf18("2","1","10","9","1","9","1") = "9"
    & skf18("2","1","10","9","1","10","1") = "9"
    & skf18("2","1","10","9","2","1","1") = "9"
    & skf18("2","1","10","9","2","2","1") = "9"
    & skf18("2","1","10","9","2","3","1") = "9"
    & skf18("2","1","10","9","2","4","1") = "9"
    & skf18("2","1","10","9","2","5","1") = "9"
    & skf18("2","1","10","9","2","6","1") = "9"
    & skf18("2","1","10","9","2","7","1") = "9"
    & skf18("2","1","10","9","2","8","1") = "9"
    & skf18("2","1","10","9","2","9","1") = "9"
    & skf18("2","1","10","9","2","10","1") = "9"
    & skf18("2","1","10","9","3","1","1") = "9"
    & skf18("2","1","10","9","3","2","1") = "9"
    & skf18("2","1","10","9","3","3","1") = "9"
    & skf18("2","1","10","9","3","4","1") = "9"
    & skf18("2","1","10","9","3","5","1") = "9"
    & skf18("2","1","10","9","3","6","1") = "9"
    & skf18("2","1","10","9","3","7","1") = "9"
    & skf18("2","1","10","9","3","8","1") = "9"
    & skf18("2","1","10","9","3","9","1") = "9"
    & skf18("2","1","10","9","3","10","1") = "9"
    & skf18("2","1","10","9","4","1","1") = "9"
    & skf18("2","1","10","9","4","2","1") = "9"
    & skf18("2","1","10","9","4","3","1") = "9"
    & skf18("2","1","10","9","4","4","1") = "9"
    & skf18("2","1","10","9","4","5","1") = "9"
    & skf18("2","1","10","9","4","6","1") = "9"
    & skf18("2","1","10","9","4","7","1") = "9"
    & skf18("2","1","10","9","4","8","1") = "9"
    & skf18("2","1","10","9","4","9","1") = "9"
    & skf18("2","1","10","9","4","10","1") = "9"
    & skf18("2","1","10","9","5","1","1") = "9"
    & skf18("2","1","10","9","5","2","1") = "9"
    & skf18("2","1","10","9","5","3","1") = "9"
    & skf18("2","1","10","9","5","4","1") = "9"
    & skf18("2","1","10","9","5","5","1") = "9"
    & skf18("2","1","10","9","5","6","1") = "9"
    & skf18("2","1","10","9","5","7","1") = "9"
    & skf18("2","1","10","9","5","8","1") = "9"
    & skf18("2","1","10","9","5","9","1") = "9"
    & skf18("2","1","10","9","5","10","1") = "9"
    & skf18("2","1","10","9","6","1","1") = "9"
    & skf18("2","1","10","9","6","2","1") = "9"
    & skf18("2","1","10","9","6","3","1") = "9"
    & skf18("2","1","10","9","6","4","1") = "9"
    & skf18("2","1","10","9","6","5","1") = "9"
    & skf18("2","1","10","9","6","6","1") = "9"
    & skf18("2","1","10","9","6","7","1") = "9"
    & skf18("2","1","10","9","6","8","1") = "9"
    & skf18("2","1","10","9","6","9","1") = "9"
    & skf18("2","1","10","9","6","10","1") = "9"
    & skf18("2","1","10","9","7","1","1") = "9"
    & skf18("2","1","10","9","7","2","1") = "9"
    & skf18("2","1","10","9","7","3","1") = "9"
    & skf18("2","1","10","9","7","4","1") = "9"
    & skf18("2","1","10","9","7","5","1") = "9"
    & skf18("2","1","10","9","7","6","1") = "9"
    & skf18("2","1","10","9","7","7","1") = "9"
    & skf18("2","1","10","9","7","8","1") = "9"
    & skf18("2","1","10","9","7","9","1") = "9"
    & skf18("2","1","10","9","7","10","1") = "9"
    & skf18("2","1","10","9","8","1","1") = "9"
    & skf18("2","1","10","9","8","2","1") = "9"
    & skf18("2","1","10","9","8","3","1") = "9"
    & skf18("2","1","10","9","8","4","1") = "9"
    & skf18("2","1","10","9","8","5","1") = "9"
    & skf18("2","1","10","9","8","6","1") = "9"
    & skf18("2","1","10","9","8","7","1") = "9"
    & skf18("2","1","10","9","8","8","1") = "9"
    & skf18("2","1","10","9","8","9","1") = "9"
    & skf18("2","1","10","9","8","10","1") = "9"
    & skf18("2","1","10","9","9","1","1") = "9"
    & skf18("2","1","10","9","9","2","1") = "9"
    & skf18("2","1","10","9","9","3","1") = "9"
    & skf18("2","1","10","9","9","4","1") = "9"
    & skf18("2","1","10","9","9","5","1") = "9"
    & skf18("2","1","10","9","9","6","1") = "9"
    & skf18("2","1","10","9","9","7","1") = "9"
    & skf18("2","1","10","9","9","8","1") = "9"
    & skf18("2","1","10","9","9","9","1") = "9"
    & skf18("2","1","10","9","9","10","1") = "9"
    & skf18("2","1","10","9","10","1","1") = "9"
    & skf18("2","1","10","9","10","2","1") = "9"
    & skf18("2","1","10","9","10","3","1") = "9"
    & skf18("2","1","10","9","10","4","1") = "9"
    & skf18("2","1","10","9","10","5","1") = "9"
    & skf18("2","1","10","9","10","6","1") = "9"
    & skf18("2","1","10","9","10","7","1") = "9"
    & skf18("2","1","10","9","10","8","1") = "9"
    & skf18("2","1","10","9","10","9","1") = "9"
    & skf18("2","1","10","9","10","10","1") = "9"
    & skf18("2","1","10","10","1","1","1") = "9"
    & skf18("2","1","10","10","1","2","1") = "9"
    & skf18("2","1","10","10","1","3","1") = "9"
    & skf18("2","1","10","10","1","4","1") = "9"
    & skf18("2","1","10","10","1","5","1") = "9"
    & skf18("2","1","10","10","1","6","1") = "9"
    & skf18("2","1","10","10","1","7","1") = "9"
    & skf18("2","1","10","10","1","8","1") = "9"
    & skf18("2","1","10","10","1","9","1") = "9"
    & skf18("2","1","10","10","1","10","1") = "9"
    & skf18("2","1","10","10","2","1","1") = "9"
    & skf18("2","1","10","10","2","2","1") = "9"
    & skf18("2","1","10","10","2","3","1") = "9"
    & skf18("2","1","10","10","2","4","1") = "9"
    & skf18("2","1","10","10","2","5","1") = "9"
    & skf18("2","1","10","10","2","6","1") = "9"
    & skf18("2","1","10","10","2","7","1") = "9"
    & skf18("2","1","10","10","2","8","1") = "9"
    & skf18("2","1","10","10","2","9","1") = "9"
    & skf18("2","1","10","10","2","10","1") = "9"
    & skf18("2","1","10","10","3","1","1") = "9"
    & skf18("2","1","10","10","3","2","1") = "9"
    & skf18("2","1","10","10","3","3","1") = "9"
    & skf18("2","1","10","10","3","4","1") = "9"
    & skf18("2","1","10","10","3","5","1") = "9"
    & skf18("2","1","10","10","3","6","1") = "9"
    & skf18("2","1","10","10","3","7","1") = "9"
    & skf18("2","1","10","10","3","8","1") = "9"
    & skf18("2","1","10","10","3","9","1") = "9"
    & skf18("2","1","10","10","3","10","1") = "9"
    & skf18("2","1","10","10","4","1","1") = "9"
    & skf18("2","1","10","10","4","2","1") = "9"
    & skf18("2","1","10","10","4","3","1") = "9"
    & skf18("2","1","10","10","4","4","1") = "9"
    & skf18("2","1","10","10","4","5","1") = "9"
    & skf18("2","1","10","10","4","6","1") = "9"
    & skf18("2","1","10","10","4","7","1") = "9"
    & skf18("2","1","10","10","4","8","1") = "9"
    & skf18("2","1","10","10","4","9","1") = "9"
    & skf18("2","1","10","10","4","10","1") = "9"
    & skf18("2","1","10","10","5","1","1") = "9"
    & skf18("2","1","10","10","5","2","1") = "9"
    & skf18("2","1","10","10","5","3","1") = "9"
    & skf18("2","1","10","10","5","4","1") = "9"
    & skf18("2","1","10","10","5","5","1") = "9"
    & skf18("2","1","10","10","5","6","1") = "9"
    & skf18("2","1","10","10","5","7","1") = "9"
    & skf18("2","1","10","10","5","8","1") = "9"
    & skf18("2","1","10","10","5","9","1") = "9"
    & skf18("2","1","10","10","5","10","1") = "9"
    & skf18("2","1","10","10","6","1","1") = "9"
    & skf18("2","1","10","10","6","2","1") = "9"
    & skf18("2","1","10","10","6","3","1") = "9"
    & skf18("2","1","10","10","6","4","1") = "9"
    & skf18("2","1","10","10","6","5","1") = "9"
    & skf18("2","1","10","10","6","6","1") = "9"
    & skf18("2","1","10","10","6","7","1") = "9"
    & skf18("2","1","10","10","6","8","1") = "9"
    & skf18("2","1","10","10","6","9","1") = "9"
    & skf18("2","1","10","10","6","10","1") = "9"
    & skf18("2","1","10","10","7","1","1") = "9"
    & skf18("2","1","10","10","7","2","1") = "9"
    & skf18("2","1","10","10","7","3","1") = "9"
    & skf18("2","1","10","10","7","4","1") = "9"
    & skf18("2","1","10","10","7","5","1") = "9"
    & skf18("2","1","10","10","7","6","1") = "9"
    & skf18("2","1","10","10","7","7","1") = "9"
    & skf18("2","1","10","10","7","8","1") = "9"
    & skf18("2","1","10","10","7","9","1") = "9"
    & skf18("2","1","10","10","7","10","1") = "9"
    & skf18("2","1","10","10","8","1","1") = "9"
    & skf18("2","1","10","10","8","2","1") = "9"
    & skf18("2","1","10","10","8","3","1") = "9"
    & skf18("2","1","10","10","8","4","1") = "9"
    & skf18("2","1","10","10","8","5","1") = "9"
    & skf18("2","1","10","10","8","6","1") = "9"
    & skf18("2","1","10","10","8","7","1") = "9"
    & skf18("2","1","10","10","8","8","1") = "9"
    & skf18("2","1","10","10","8","9","1") = "9"
    & skf18("2","1","10","10","8","10","1") = "9"
    & skf18("2","1","10","10","9","1","1") = "9"
    & skf18("2","1","10","10","9","2","1") = "9"
    & skf18("2","1","10","10","9","3","1") = "9"
    & skf18("2","1","10","10","9","4","1") = "9"
    & skf18("2","1","10","10","9","5","1") = "9"
    & skf18("2","1","10","10","9","6","1") = "9"
    & skf18("2","1","10","10","9","7","1") = "9"
    & skf18("2","1","10","10","9","8","1") = "9"
    & skf18("2","1","10","10","9","9","1") = "9"
    & skf18("2","1","10","10","9","10","1") = "9"
    & skf18("2","1","10","10","10","1","1") = "9"
    & skf18("2","1","10","10","10","2","1") = "9"
    & skf18("2","1","10","10","10","3","1") = "9"
    & skf18("2","1","10","10","10","4","1") = "9"
    & skf18("2","1","10","10","10","5","1") = "9"
    & skf18("2","1","10","10","10","6","1") = "9"
    & skf18("2","1","10","10","10","7","1") = "9"
    & skf18("2","1","10","10","10","8","1") = "9"
    & skf18("2","1","10","10","10","9","1") = "9"
    & skf18("2","1","10","10","10","10","1") = "9"
    & skf18("2","2","1","1","1","1","1") = "1"
    & skf18("2","2","1","1","1","2","1") = "1"
    & skf18("2","2","1","1","1","3","1") = "2"
    & skf18("2","2","1","1","1","4","1") = "3"
    & skf18("2","2","1","1","1","5","1") = "4"
    & skf18("2","2","1","1","1","6","1") = "5"
    & skf18("2","2","1","1","1","7","1") = "6"
    & skf18("2","2","1","1","1","8","1") = "7"
    & skf18("2","2","1","1","1","9","1") = "8"
    & skf18("2","2","1","1","1","10","1") = "9"
    & skf18("2","2","1","1","2","1","1") = "1"
    & skf18("2","2","1","1","2","2","1") = "1"
    & skf18("2","2","1","1","2","3","1") = "2"
    & skf18("2","2","1","1","2","4","1") = "3"
    & skf18("2","2","1","1","2","5","1") = "4"
    & skf18("2","2","1","1","2","6","1") = "5"
    & skf18("2","2","1","1","2","7","1") = "6"
    & skf18("2","2","1","1","2","8","1") = "7"
    & skf18("2","2","1","1","2","9","1") = "8"
    & skf18("2","2","1","1","2","10","1") = "9"
    & skf18("2","2","1","1","3","1","1") = "2"
    & skf18("2","2","1","1","3","2","1") = "2"
    & skf18("2","2","1","1","3","3","1") = "2"
    & skf18("2","2","1","1","3","4","1") = "2"
    & skf18("2","2","1","1","3","5","1") = "4"
    & skf18("2","2","1","1","3","6","1") = "5"
    & skf18("2","2","1","1","3","7","1") = "6"
    & skf18("2","2","1","1","3","8","1") = "7"
    & skf18("2","2","1","1","3","9","1") = "8"
    & skf18("2","2","1","1","3","10","1") = "9"
    & skf18("2","2","1","1","4","1","1") = "2"
    & skf18("2","2","1","1","4","2","1") = "3"
    & skf18("2","2","1","1","4","3","1") = "3"
    & skf18("2","2","1","1","4","4","1") = "3"
    & skf18("2","2","1","1","4","5","1") = "3"
    & skf18("2","2","1","1","4","6","1") = "5"
    & skf18("2","2","1","1","4","7","1") = "6"
    & skf18("2","2","1","1","4","8","1") = "7"
    & skf18("2","2","1","1","4","9","1") = "8"
    & skf18("2","2","1","1","4","10","1") = "9"
    & skf18("2","2","1","1","5","1","1") = "4"
    & skf18("2","2","1","1","5","2","1") = "4"
    & skf18("2","2","1","1","5","3","1") = "4"
    & skf18("2","2","1","1","5","4","1") = "4"
    & skf18("2","2","1","1","5","5","1") = "4"
    & skf18("2","2","1","1","5","6","1") = "5"
    & skf18("2","2","1","1","5","7","1") = "6"
    & skf18("2","2","1","1","5","8","1") = "7"
    & skf18("2","2","1","1","5","9","1") = "8"
    & skf18("2","2","1","1","5","10","1") = "9"
    & skf18("2","2","1","1","6","1","1") = "5"
    & skf18("2","2","1","1","6","2","1") = "5"
    & skf18("2","2","1","1","6","3","1") = "5"
    & skf18("2","2","1","1","6","4","1") = "5"
    & skf18("2","2","1","1","6","5","1") = "5"
    & skf18("2","2","1","1","6","6","1") = "5"
    & skf18("2","2","1","1","6","7","1") = "6"
    & skf18("2","2","1","1","6","8","1") = "7"
    & skf18("2","2","1","1","6","9","1") = "8"
    & skf18("2","2","1","1","6","10","1") = "9"
    & skf18("2","2","1","1","7","1","1") = "6"
    & skf18("2","2","1","1","7","2","1") = "6"
    & skf18("2","2","1","1","7","3","1") = "6"
    & skf18("2","2","1","1","7","4","1") = "6"
    & skf18("2","2","1","1","7","5","1") = "6"
    & skf18("2","2","1","1","7","6","1") = "6"
    & skf18("2","2","1","1","7","7","1") = "6"
    & skf18("2","2","1","1","7","8","1") = "7"
    & skf18("2","2","1","1","7","9","1") = "8"
    & skf18("2","2","1","1","7","10","1") = "9"
    & skf18("2","2","1","1","8","1","1") = "7"
    & skf18("2","2","1","1","8","2","1") = "7"
    & skf18("2","2","1","1","8","3","1") = "7"
    & skf18("2","2","1","1","8","4","1") = "7"
    & skf18("2","2","1","1","8","5","1") = "7"
    & skf18("2","2","1","1","8","6","1") = "7"
    & skf18("2","2","1","1","8","7","1") = "7"
    & skf18("2","2","1","1","8","8","1") = "7"
    & skf18("2","2","1","1","8","9","1") = "8"
    & skf18("2","2","1","1","8","10","1") = "9"
    & skf18("2","2","1","1","9","1","1") = "8"
    & skf18("2","2","1","1","9","2","1") = "8"
    & skf18("2","2","1","1","9","3","1") = "8"
    & skf18("2","2","1","1","9","4","1") = "8"
    & skf18("2","2","1","1","9","5","1") = "8"
    & skf18("2","2","1","1","9","6","1") = "8"
    & skf18("2","2","1","1","9","7","1") = "8"
    & skf18("2","2","1","1","9","8","1") = "8"
    & skf18("2","2","1","1","9","9","1") = "8"
    & skf18("2","2","1","1","9","10","1") = "9"
    & skf18("2","2","1","1","10","1","1") = "9"
    & skf18("2","2","1","1","10","2","1") = "9"
    & skf18("2","2","1","1","10","3","1") = "9"
    & skf18("2","2","1","1","10","4","1") = "9"
    & skf18("2","2","1","1","10","5","1") = "9"
    & skf18("2","2","1","1","10","6","1") = "9"
    & skf18("2","2","1","1","10","7","1") = "9"
    & skf18("2","2","1","1","10","8","1") = "9"
    & skf18("2","2","1","1","10","9","1") = "9"
    & skf18("2","2","1","1","10","10","1") = "9"
    & skf18("2","2","1","2","1","1","1") = "1"
    & skf18("2","2","1","2","1","2","1") = "1"
    & skf18("2","2","1","2","1","3","1") = "2"
    & skf18("2","2","1","2","1","4","1") = "3"
    & skf18("2","2","1","2","1","5","1") = "4"
    & skf18("2","2","1","2","1","6","1") = "5"
    & skf18("2","2","1","2","1","7","1") = "6"
    & skf18("2","2","1","2","1","8","1") = "7"
    & skf18("2","2","1","2","1","9","1") = "8"
    & skf18("2","2","1","2","1","10","1") = "9"
    & skf18("2","2","1","2","2","1","1") = "1"
    & skf18("2","2","1","2","2","2","1") = "1"
    & skf18("2","2","1","2","2","3","1") = "2"
    & skf18("2","2","1","2","2","4","1") = "3"
    & skf18("2","2","1","2","2","5","1") = "4"
    & skf18("2","2","1","2","2","6","1") = "5"
    & skf18("2","2","1","2","2","7","1") = "6"
    & skf18("2","2","1","2","2","8","1") = "7"
    & skf18("2","2","1","2","2","9","1") = "8"
    & skf18("2","2","1","2","2","10","1") = "9"
    & skf18("2","2","1","2","3","1","1") = "2"
    & skf18("2","2","1","2","3","2","1") = "2"
    & skf18("2","2","1","2","3","3","1") = "2"
    & skf18("2","2","1","2","3","4","1") = "3"
    & skf18("2","2","1","2","3","5","1") = "4"
    & skf18("2","2","1","2","3","6","1") = "5"
    & skf18("2","2","1","2","3","7","1") = "6"
    & skf18("2","2","1","2","3","8","1") = "7"
    & skf18("2","2","1","2","3","9","1") = "8"
    & skf18("2","2","1","2","3","10","1") = "9"
    & skf18("2","2","1","2","4","1","1") = "3"
    & skf18("2","2","1","2","4","2","1") = "3"
    & skf18("2","2","1","2","4","3","1") = "3"
    & skf18("2","2","1","2","4","4","1") = "3"
    & skf18("2","2","1","2","4","5","1") = "4"
    & skf18("2","2","1","2","4","6","1") = "5"
    & skf18("2","2","1","2","4","7","1") = "6"
    & skf18("2","2","1","2","4","8","1") = "7"
    & skf18("2","2","1","2","4","9","1") = "8"
    & skf18("2","2","1","2","4","10","1") = "9"
    & skf18("2","2","1","2","5","1","1") = "4"
    & skf18("2","2","1","2","5","2","1") = "4"
    & skf18("2","2","1","2","5","3","1") = "4"
    & skf18("2","2","1","2","5","4","1") = "4"
    & skf18("2","2","1","2","5","5","1") = "4"
    & skf18("2","2","1","2","5","6","1") = "5"
    & skf18("2","2","1","2","5","7","1") = "6"
    & skf18("2","2","1","2","5","8","1") = "7"
    & skf18("2","2","1","2","5","9","1") = "8"
    & skf18("2","2","1","2","5","10","1") = "9"
    & skf18("2","2","1","2","6","1","1") = "5"
    & skf18("2","2","1","2","6","2","1") = "5"
    & skf18("2","2","1","2","6","3","1") = "5"
    & skf18("2","2","1","2","6","4","1") = "5"
    & skf18("2","2","1","2","6","5","1") = "5"
    & skf18("2","2","1","2","6","6","1") = "5"
    & skf18("2","2","1","2","6","7","1") = "6"
    & skf18("2","2","1","2","6","8","1") = "7"
    & skf18("2","2","1","2","6","9","1") = "8"
    & skf18("2","2","1","2","6","10","1") = "9"
    & skf18("2","2","1","2","7","1","1") = "6"
    & skf18("2","2","1","2","7","2","1") = "6"
    & skf18("2","2","1","2","7","3","1") = "6"
    & skf18("2","2","1","2","7","4","1") = "6"
    & skf18("2","2","1","2","7","5","1") = "6"
    & skf18("2","2","1","2","7","6","1") = "6"
    & skf18("2","2","1","2","7","7","1") = "6"
    & skf18("2","2","1","2","7","8","1") = "7"
    & skf18("2","2","1","2","7","9","1") = "8"
    & skf18("2","2","1","2","7","10","1") = "9"
    & skf18("2","2","1","2","8","1","1") = "7"
    & skf18("2","2","1","2","8","2","1") = "7"
    & skf18("2","2","1","2","8","3","1") = "7"
    & skf18("2","2","1","2","8","4","1") = "7"
    & skf18("2","2","1","2","8","5","1") = "7"
    & skf18("2","2","1","2","8","6","1") = "7"
    & skf18("2","2","1","2","8","7","1") = "7"
    & skf18("2","2","1","2","8","8","1") = "7"
    & skf18("2","2","1","2","8","9","1") = "8"
    & skf18("2","2","1","2","8","10","1") = "9"
    & skf18("2","2","1","2","9","1","1") = "8"
    & skf18("2","2","1","2","9","2","1") = "8"
    & skf18("2","2","1","2","9","3","1") = "8"
    & skf18("2","2","1","2","9","4","1") = "8"
    & skf18("2","2","1","2","9","5","1") = "8"
    & skf18("2","2","1","2","9","6","1") = "8"
    & skf18("2","2","1","2","9","7","1") = "8"
    & skf18("2","2","1","2","9","8","1") = "8"
    & skf18("2","2","1","2","9","9","1") = "8"
    & skf18("2","2","1","2","9","10","1") = "9"
    & skf18("2","2","1","2","10","1","1") = "9"
    & skf18("2","2","1","2","10","2","1") = "9"
    & skf18("2","2","1","2","10","3","1") = "9"
    & skf18("2","2","1","2","10","4","1") = "9"
    & skf18("2","2","1","2","10","5","1") = "9"
    & skf18("2","2","1","2","10","6","1") = "9"
    & skf18("2","2","1","2","10","7","1") = "9"
    & skf18("2","2","1","2","10","8","1") = "9"
    & skf18("2","2","1","2","10","9","1") = "9"
    & skf18("2","2","1","2","10","10","1") = "9"
    & skf18("2","2","1","3","1","1","1") = "2"
    & skf18("2","2","1","3","1","2","1") = "2"
    & skf18("2","2","1","3","1","3","1") = "2"
    & skf18("2","2","1","3","1","4","1") = "3"
    & skf18("2","2","1","3","1","5","1") = "4"
    & skf18("2","2","1","3","1","6","1") = "5"
    & skf18("2","2","1","3","1","7","1") = "6"
    & skf18("2","2","1","3","1","8","1") = "7"
    & skf18("2","2","1","3","1","9","1") = "8"
    & skf18("2","2","1","3","1","10","1") = "9"
    & skf18("2","2","1","3","2","1","1") = "2"
    & skf18("2","2","1","3","2","2","1") = "2"
    & skf18("2","2","1","3","2","3","1") = "2"
    & skf18("2","2","1","3","2","4","1") = "3"
    & skf18("2","2","1","3","2","5","1") = "4"
    & skf18("2","2","1","3","2","6","1") = "5"
    & skf18("2","2","1","3","2","7","1") = "6"
    & skf18("2","2","1","3","2","8","1") = "7"
    & skf18("2","2","1","3","2","9","1") = "8"
    & skf18("2","2","1","3","2","10","1") = "9"
    & skf18("2","2","1","3","3","1","1") = "2"
    & skf18("2","2","1","3","3","2","1") = "2"
    & skf18("2","2","1","3","3","3","1") = "2"
    & skf18("2","2","1","3","3","4","1") = "3"
    & skf18("2","2","1","3","3","5","1") = "4"
    & skf18("2","2","1","3","3","6","1") = "5"
    & skf18("2","2","1","3","3","7","1") = "6"
    & skf18("2","2","1","3","3","8","1") = "7"
    & skf18("2","2","1","3","3","9","1") = "8"
    & skf18("2","2","1","3","3","10","1") = "9"
    & skf18("2","2","1","3","4","1","1") = "3"
    & skf18("2","2","1","3","4","2","1") = "3"
    & skf18("2","2","1","3","4","3","1") = "3"
    & skf18("2","2","1","3","4","4","1") = "3"
    & skf18("2","2","1","3","4","5","1") = "4"
    & skf18("2","2","1","3","4","6","1") = "5"
    & skf18("2","2","1","3","4","7","1") = "6"
    & skf18("2","2","1","3","4","8","1") = "7"
    & skf18("2","2","1","3","4","9","1") = "8"
    & skf18("2","2","1","3","4","10","1") = "9"
    & skf18("2","2","1","3","5","1","1") = "4"
    & skf18("2","2","1","3","5","2","1") = "4"
    & skf18("2","2","1","3","5","3","1") = "4"
    & skf18("2","2","1","3","5","4","1") = "4"
    & skf18("2","2","1","3","5","5","1") = "4"
    & skf18("2","2","1","3","5","6","1") = "5"
    & skf18("2","2","1","3","5","7","1") = "6"
    & skf18("2","2","1","3","5","8","1") = "7"
    & skf18("2","2","1","3","5","9","1") = "8"
    & skf18("2","2","1","3","5","10","1") = "9"
    & skf18("2","2","1","3","6","1","1") = "5"
    & skf18("2","2","1","3","6","2","1") = "5"
    & skf18("2","2","1","3","6","3","1") = "5"
    & skf18("2","2","1","3","6","4","1") = "5"
    & skf18("2","2","1","3","6","5","1") = "5"
    & skf18("2","2","1","3","6","6","1") = "5"
    & skf18("2","2","1","3","6","7","1") = "6"
    & skf18("2","2","1","3","6","8","1") = "7"
    & skf18("2","2","1","3","6","9","1") = "8"
    & skf18("2","2","1","3","6","10","1") = "9"
    & skf18("2","2","1","3","7","1","1") = "6"
    & skf18("2","2","1","3","7","2","1") = "6"
    & skf18("2","2","1","3","7","3","1") = "6"
    & skf18("2","2","1","3","7","4","1") = "6"
    & skf18("2","2","1","3","7","5","1") = "6"
    & skf18("2","2","1","3","7","6","1") = "6"
    & skf18("2","2","1","3","7","7","1") = "6"
    & skf18("2","2","1","3","7","8","1") = "7"
    & skf18("2","2","1","3","7","9","1") = "8"
    & skf18("2","2","1","3","7","10","1") = "9"
    & skf18("2","2","1","3","8","1","1") = "7"
    & skf18("2","2","1","3","8","2","1") = "7"
    & skf18("2","2","1","3","8","3","1") = "7"
    & skf18("2","2","1","3","8","4","1") = "7"
    & skf18("2","2","1","3","8","5","1") = "7"
    & skf18("2","2","1","3","8","6","1") = "7"
    & skf18("2","2","1","3","8","7","1") = "7"
    & skf18("2","2","1","3","8","8","1") = "7"
    & skf18("2","2","1","3","8","9","1") = "8"
    & skf18("2","2","1","3","8","10","1") = "9"
    & skf18("2","2","1","3","9","1","1") = "8"
    & skf18("2","2","1","3","9","2","1") = "8"
    & skf18("2","2","1","3","9","3","1") = "8"
    & skf18("2","2","1","3","9","4","1") = "8"
    & skf18("2","2","1","3","9","5","1") = "8"
    & skf18("2","2","1","3","9","6","1") = "8"
    & skf18("2","2","1","3","9","7","1") = "8"
    & skf18("2","2","1","3","9","8","1") = "8"
    & skf18("2","2","1","3","9","9","1") = "8"
    & skf18("2","2","1","3","9","10","1") = "9"
    & skf18("2","2","1","3","10","1","1") = "9"
    & skf18("2","2","1","3","10","2","1") = "9"
    & skf18("2","2","1","3","10","3","1") = "9"
    & skf18("2","2","1","3","10","4","1") = "9"
    & skf18("2","2","1","3","10","5","1") = "9"
    & skf18("2","2","1","3","10","6","1") = "9"
    & skf18("2","2","1","3","10","7","1") = "9"
    & skf18("2","2","1","3","10","8","1") = "9"
    & skf18("2","2","1","3","10","9","1") = "9"
    & skf18("2","2","1","3","10","10","1") = "9"
    & skf18("2","2","1","4","1","1","1") = "3"
    & skf18("2","2","1","4","1","2","1") = "3"
    & skf18("2","2","1","4","1","3","1") = "3"
    & skf18("2","2","1","4","1","4","1") = "3"
    & skf18("2","2","1","4","1","5","1") = "4"
    & skf18("2","2","1","4","1","6","1") = "5"
    & skf18("2","2","1","4","1","7","1") = "6"
    & skf18("2","2","1","4","1","8","1") = "7"
    & skf18("2","2","1","4","1","9","1") = "8"
    & skf18("2","2","1","4","1","10","1") = "9"
    & skf18("2","2","1","4","2","1","1") = "3"
    & skf18("2","2","1","4","2","2","1") = "3"
    & skf18("2","2","1","4","2","3","1") = "3"
    & skf18("2","2","1","4","2","4","1") = "3"
    & skf18("2","2","1","4","2","5","1") = "4"
    & skf18("2","2","1","4","2","6","1") = "5"
    & skf18("2","2","1","4","2","7","1") = "6"
    & skf18("2","2","1","4","2","8","1") = "7"
    & skf18("2","2","1","4","2","9","1") = "8"
    & skf18("2","2","1","4","2","10","1") = "9"
    & skf18("2","2","1","4","3","1","1") = "3"
    & skf18("2","2","1","4","3","2","1") = "3"
    & skf18("2","2","1","4","3","3","1") = "3"
    & skf18("2","2","1","4","3","4","1") = "3"
    & skf18("2","2","1","4","3","5","1") = "4"
    & skf18("2","2","1","4","3","6","1") = "5"
    & skf18("2","2","1","4","3","7","1") = "6"
    & skf18("2","2","1","4","3","8","1") = "7"
    & skf18("2","2","1","4","3","9","1") = "8"
    & skf18("2","2","1","4","3","10","1") = "9"
    & skf18("2","2","1","4","4","1","1") = "3"
    & skf18("2","2","1","4","4","2","1") = "3"
    & skf18("2","2","1","4","4","3","1") = "3"
    & skf18("2","2","1","4","4","4","1") = "3"
    & skf18("2","2","1","4","4","5","1") = "4"
    & skf18("2","2","1","4","4","6","1") = "5"
    & skf18("2","2","1","4","4","7","1") = "6"
    & skf18("2","2","1","4","4","8","1") = "7"
    & skf18("2","2","1","4","4","9","1") = "8"
    & skf18("2","2","1","4","4","10","1") = "9"
    & skf18("2","2","1","4","5","1","1") = "4"
    & skf18("2","2","1","4","5","2","1") = "4"
    & skf18("2","2","1","4","5","3","1") = "4"
    & skf18("2","2","1","4","5","4","1") = "4"
    & skf18("2","2","1","4","5","5","1") = "4"
    & skf18("2","2","1","4","5","6","1") = "5"
    & skf18("2","2","1","4","5","7","1") = "6"
    & skf18("2","2","1","4","5","8","1") = "7"
    & skf18("2","2","1","4","5","9","1") = "8"
    & skf18("2","2","1","4","5","10","1") = "9"
    & skf18("2","2","1","4","6","1","1") = "5"
    & skf18("2","2","1","4","6","2","1") = "5"
    & skf18("2","2","1","4","6","3","1") = "5"
    & skf18("2","2","1","4","6","4","1") = "5"
    & skf18("2","2","1","4","6","5","1") = "5"
    & skf18("2","2","1","4","6","6","1") = "5"
    & skf18("2","2","1","4","6","7","1") = "6"
    & skf18("2","2","1","4","6","8","1") = "7"
    & skf18("2","2","1","4","6","9","1") = "8"
    & skf18("2","2","1","4","6","10","1") = "9"
    & skf18("2","2","1","4","7","1","1") = "6"
    & skf18("2","2","1","4","7","2","1") = "6"
    & skf18("2","2","1","4","7","3","1") = "6"
    & skf18("2","2","1","4","7","4","1") = "6"
    & skf18("2","2","1","4","7","5","1") = "6"
    & skf18("2","2","1","4","7","6","1") = "6"
    & skf18("2","2","1","4","7","7","1") = "6"
    & skf18("2","2","1","4","7","8","1") = "7"
    & skf18("2","2","1","4","7","9","1") = "8"
    & skf18("2","2","1","4","7","10","1") = "9"
    & skf18("2","2","1","4","8","1","1") = "7"
    & skf18("2","2","1","4","8","2","1") = "7"
    & skf18("2","2","1","4","8","3","1") = "7"
    & skf18("2","2","1","4","8","4","1") = "7"
    & skf18("2","2","1","4","8","5","1") = "7"
    & skf18("2","2","1","4","8","6","1") = "7"
    & skf18("2","2","1","4","8","7","1") = "7"
    & skf18("2","2","1","4","8","8","1") = "7"
    & skf18("2","2","1","4","8","9","1") = "8"
    & skf18("2","2","1","4","8","10","1") = "9"
    & skf18("2","2","1","4","9","1","1") = "8"
    & skf18("2","2","1","4","9","2","1") = "8"
    & skf18("2","2","1","4","9","3","1") = "8"
    & skf18("2","2","1","4","9","4","1") = "8"
    & skf18("2","2","1","4","9","5","1") = "8"
    & skf18("2","2","1","4","9","6","1") = "8"
    & skf18("2","2","1","4","9","7","1") = "8"
    & skf18("2","2","1","4","9","8","1") = "8"
    & skf18("2","2","1","4","9","9","1") = "8"
    & skf18("2","2","1","4","9","10","1") = "9"
    & skf18("2","2","1","4","10","1","1") = "9"
    & skf18("2","2","1","4","10","2","1") = "9"
    & skf18("2","2","1","4","10","3","1") = "9"
    & skf18("2","2","1","4","10","4","1") = "9"
    & skf18("2","2","1","4","10","5","1") = "9"
    & skf18("2","2","1","4","10","6","1") = "9"
    & skf18("2","2","1","4","10","7","1") = "9"
    & skf18("2","2","1","4","10","8","1") = "9"
    & skf18("2","2","1","4","10","9","1") = "9"
    & skf18("2","2","1","4","10","10","1") = "9"
    & skf18("2","2","1","5","1","1","1") = "4"
    & skf18("2","2","1","5","1","2","1") = "4"
    & skf18("2","2","1","5","1","3","1") = "4"
    & skf18("2","2","1","5","1","4","1") = "4"
    & skf18("2","2","1","5","1","5","1") = "4"
    & skf18("2","2","1","5","1","6","1") = "5"
    & skf18("2","2","1","5","1","7","1") = "6"
    & skf18("2","2","1","5","1","8","1") = "7"
    & skf18("2","2","1","5","1","9","1") = "8"
    & skf18("2","2","1","5","1","10","1") = "9"
    & skf18("2","2","1","5","2","1","1") = "4"
    & skf18("2","2","1","5","2","2","1") = "4"
    & skf18("2","2","1","5","2","3","1") = "4"
    & skf18("2","2","1","5","2","4","1") = "4"
    & skf18("2","2","1","5","2","5","1") = "4"
    & skf18("2","2","1","5","2","6","1") = "5"
    & skf18("2","2","1","5","2","7","1") = "6"
    & skf18("2","2","1","5","2","8","1") = "7"
    & skf18("2","2","1","5","2","9","1") = "8"
    & skf18("2","2","1","5","2","10","1") = "9"
    & skf18("2","2","1","5","3","1","1") = "4"
    & skf18("2","2","1","5","3","2","1") = "4"
    & skf18("2","2","1","5","3","3","1") = "4"
    & skf18("2","2","1","5","3","4","1") = "4"
    & skf18("2","2","1","5","3","5","1") = "4"
    & skf18("2","2","1","5","3","6","1") = "5"
    & skf18("2","2","1","5","3","7","1") = "6"
    & skf18("2","2","1","5","3","8","1") = "7"
    & skf18("2","2","1","5","3","9","1") = "8"
    & skf18("2","2","1","5","3","10","1") = "9"
    & skf18("2","2","1","5","4","1","1") = "4"
    & skf18("2","2","1","5","4","2","1") = "4"
    & skf18("2","2","1","5","4","3","1") = "4"
    & skf18("2","2","1","5","4","4","1") = "4"
    & skf18("2","2","1","5","4","5","1") = "4"
    & skf18("2","2","1","5","4","6","1") = "5"
    & skf18("2","2","1","5","4","7","1") = "6"
    & skf18("2","2","1","5","4","8","1") = "7"
    & skf18("2","2","1","5","4","9","1") = "8"
    & skf18("2","2","1","5","4","10","1") = "9"
    & skf18("2","2","1","5","5","1","1") = "4"
    & skf18("2","2","1","5","5","2","1") = "4"
    & skf18("2","2","1","5","5","3","1") = "4"
    & skf18("2","2","1","5","5","4","1") = "4"
    & skf18("2","2","1","5","5","5","1") = "4"
    & skf18("2","2","1","5","5","6","1") = "5"
    & skf18("2","2","1","5","5","7","1") = "6"
    & skf18("2","2","1","5","5","8","1") = "7"
    & skf18("2","2","1","5","5","9","1") = "8"
    & skf18("2","2","1","5","5","10","1") = "9"
    & skf18("2","2","1","5","6","1","1") = "5"
    & skf18("2","2","1","5","6","2","1") = "5"
    & skf18("2","2","1","5","6","3","1") = "5"
    & skf18("2","2","1","5","6","4","1") = "5"
    & skf18("2","2","1","5","6","5","1") = "5"
    & skf18("2","2","1","5","6","6","1") = "5"
    & skf18("2","2","1","5","6","7","1") = "6"
    & skf18("2","2","1","5","6","8","1") = "7"
    & skf18("2","2","1","5","6","9","1") = "8"
    & skf18("2","2","1","5","6","10","1") = "9"
    & skf18("2","2","1","5","7","1","1") = "6"
    & skf18("2","2","1","5","7","2","1") = "6"
    & skf18("2","2","1","5","7","3","1") = "6"
    & skf18("2","2","1","5","7","4","1") = "6"
    & skf18("2","2","1","5","7","5","1") = "6"
    & skf18("2","2","1","5","7","6","1") = "6"
    & skf18("2","2","1","5","7","7","1") = "6"
    & skf18("2","2","1","5","7","8","1") = "7"
    & skf18("2","2","1","5","7","9","1") = "8"
    & skf18("2","2","1","5","7","10","1") = "9"
    & skf18("2","2","1","5","8","1","1") = "7"
    & skf18("2","2","1","5","8","2","1") = "7"
    & skf18("2","2","1","5","8","3","1") = "7"
    & skf18("2","2","1","5","8","4","1") = "7"
    & skf18("2","2","1","5","8","5","1") = "7"
    & skf18("2","2","1","5","8","6","1") = "7"
    & skf18("2","2","1","5","8","7","1") = "7"
    & skf18("2","2","1","5","8","8","1") = "7"
    & skf18("2","2","1","5","8","9","1") = "8"
    & skf18("2","2","1","5","8","10","1") = "9"
    & skf18("2","2","1","5","9","1","1") = "8"
    & skf18("2","2","1","5","9","2","1") = "8"
    & skf18("2","2","1","5","9","3","1") = "8"
    & skf18("2","2","1","5","9","4","1") = "8"
    & skf18("2","2","1","5","9","5","1") = "8"
    & skf18("2","2","1","5","9","6","1") = "8"
    & skf18("2","2","1","5","9","7","1") = "8"
    & skf18("2","2","1","5","9","8","1") = "8"
    & skf18("2","2","1","5","9","9","1") = "8"
    & skf18("2","2","1","5","9","10","1") = "9"
    & skf18("2","2","1","5","10","1","1") = "9"
    & skf18("2","2","1","5","10","2","1") = "9"
    & skf18("2","2","1","5","10","3","1") = "9"
    & skf18("2","2","1","5","10","4","1") = "9"
    & skf18("2","2","1","5","10","5","1") = "9"
    & skf18("2","2","1","5","10","6","1") = "9"
    & skf18("2","2","1","5","10","7","1") = "9"
    & skf18("2","2","1","5","10","8","1") = "9"
    & skf18("2","2","1","5","10","9","1") = "9"
    & skf18("2","2","1","5","10","10","1") = "9"
    & skf18("2","2","1","6","1","1","1") = "5"
    & skf18("2","2","1","6","1","2","1") = "5"
    & skf18("2","2","1","6","1","3","1") = "5"
    & skf18("2","2","1","6","1","4","1") = "5"
    & skf18("2","2","1","6","1","5","1") = "5"
    & skf18("2","2","1","6","1","6","1") = "5"
    & skf18("2","2","1","6","1","7","1") = "6"
    & skf18("2","2","1","6","1","8","1") = "7"
    & skf18("2","2","1","6","1","9","1") = "8"
    & skf18("2","2","1","6","1","10","1") = "9"
    & skf18("2","2","1","6","2","1","1") = "5"
    & skf18("2","2","1","6","2","2","1") = "5"
    & skf18("2","2","1","6","2","3","1") = "5"
    & skf18("2","2","1","6","2","4","1") = "5"
    & skf18("2","2","1","6","2","5","1") = "5"
    & skf18("2","2","1","6","2","6","1") = "5"
    & skf18("2","2","1","6","2","7","1") = "6"
    & skf18("2","2","1","6","2","8","1") = "7"
    & skf18("2","2","1","6","2","9","1") = "8"
    & skf18("2","2","1","6","2","10","1") = "9"
    & skf18("2","2","1","6","3","1","1") = "5"
    & skf18("2","2","1","6","3","2","1") = "5"
    & skf18("2","2","1","6","3","3","1") = "5"
    & skf18("2","2","1","6","3","4","1") = "5"
    & skf18("2","2","1","6","3","5","1") = "5"
    & skf18("2","2","1","6","3","6","1") = "5"
    & skf18("2","2","1","6","3","7","1") = "6"
    & skf18("2","2","1","6","3","8","1") = "7"
    & skf18("2","2","1","6","3","9","1") = "8"
    & skf18("2","2","1","6","3","10","1") = "9"
    & skf18("2","2","1","6","4","1","1") = "5"
    & skf18("2","2","1","6","4","2","1") = "5"
    & skf18("2","2","1","6","4","3","1") = "5"
    & skf18("2","2","1","6","4","4","1") = "5"
    & skf18("2","2","1","6","4","5","1") = "5"
    & skf18("2","2","1","6","4","6","1") = "5"
    & skf18("2","2","1","6","4","7","1") = "6"
    & skf18("2","2","1","6","4","8","1") = "7"
    & skf18("2","2","1","6","4","9","1") = "8"
    & skf18("2","2","1","6","4","10","1") = "9"
    & skf18("2","2","1","6","5","1","1") = "5"
    & skf18("2","2","1","6","5","2","1") = "5"
    & skf18("2","2","1","6","5","3","1") = "5"
    & skf18("2","2","1","6","5","4","1") = "5"
    & skf18("2","2","1","6","5","5","1") = "5"
    & skf18("2","2","1","6","5","6","1") = "5"
    & skf18("2","2","1","6","5","7","1") = "6"
    & skf18("2","2","1","6","5","8","1") = "7"
    & skf18("2","2","1","6","5","9","1") = "8"
    & skf18("2","2","1","6","5","10","1") = "9"
    & skf18("2","2","1","6","6","1","1") = "5"
    & skf18("2","2","1","6","6","2","1") = "5"
    & skf18("2","2","1","6","6","3","1") = "5"
    & skf18("2","2","1","6","6","4","1") = "5"
    & skf18("2","2","1","6","6","5","1") = "5"
    & skf18("2","2","1","6","6","6","1") = "5"
    & skf18("2","2","1","6","6","7","1") = "6"
    & skf18("2","2","1","6","6","8","1") = "7"
    & skf18("2","2","1","6","6","9","1") = "8"
    & skf18("2","2","1","6","6","10","1") = "9"
    & skf18("2","2","1","6","7","1","1") = "6"
    & skf18("2","2","1","6","7","2","1") = "6"
    & skf18("2","2","1","6","7","3","1") = "6"
    & skf18("2","2","1","6","7","4","1") = "6"
    & skf18("2","2","1","6","7","5","1") = "6"
    & skf18("2","2","1","6","7","6","1") = "6"
    & skf18("2","2","1","6","7","7","1") = "6"
    & skf18("2","2","1","6","7","8","1") = "7"
    & skf18("2","2","1","6","7","9","1") = "8"
    & skf18("2","2","1","6","7","10","1") = "9"
    & skf18("2","2","1","6","8","1","1") = "7"
    & skf18("2","2","1","6","8","2","1") = "7"
    & skf18("2","2","1","6","8","3","1") = "7"
    & skf18("2","2","1","6","8","4","1") = "7"
    & skf18("2","2","1","6","8","5","1") = "7"
    & skf18("2","2","1","6","8","6","1") = "7"
    & skf18("2","2","1","6","8","7","1") = "7"
    & skf18("2","2","1","6","8","8","1") = "7"
    & skf18("2","2","1","6","8","9","1") = "8"
    & skf18("2","2","1","6","8","10","1") = "9"
    & skf18("2","2","1","6","9","1","1") = "8"
    & skf18("2","2","1","6","9","2","1") = "8"
    & skf18("2","2","1","6","9","3","1") = "8"
    & skf18("2","2","1","6","9","4","1") = "8"
    & skf18("2","2","1","6","9","5","1") = "8"
    & skf18("2","2","1","6","9","6","1") = "8"
    & skf18("2","2","1","6","9","7","1") = "8"
    & skf18("2","2","1","6","9","8","1") = "8"
    & skf18("2","2","1","6","9","9","1") = "8"
    & skf18("2","2","1","6","9","10","1") = "9"
    & skf18("2","2","1","6","10","1","1") = "9"
    & skf18("2","2","1","6","10","2","1") = "9"
    & skf18("2","2","1","6","10","3","1") = "9"
    & skf18("2","2","1","6","10","4","1") = "9"
    & skf18("2","2","1","6","10","5","1") = "9"
    & skf18("2","2","1","6","10","6","1") = "9"
    & skf18("2","2","1","6","10","7","1") = "9"
    & skf18("2","2","1","6","10","8","1") = "9"
    & skf18("2","2","1","6","10","9","1") = "9"
    & skf18("2","2","1","6","10","10","1") = "9"
    & skf18("2","2","1","7","1","1","1") = "6"
    & skf18("2","2","1","7","1","2","1") = "6"
    & skf18("2","2","1","7","1","3","1") = "6"
    & skf18("2","2","1","7","1","4","1") = "6"
    & skf18("2","2","1","7","1","5","1") = "6"
    & skf18("2","2","1","7","1","6","1") = "6"
    & skf18("2","2","1","7","1","7","1") = "6"
    & skf18("2","2","1","7","1","8","1") = "7"
    & skf18("2","2","1","7","1","9","1") = "8"
    & skf18("2","2","1","7","1","10","1") = "9"
    & skf18("2","2","1","7","2","1","1") = "6"
    & skf18("2","2","1","7","2","2","1") = "6"
    & skf18("2","2","1","7","2","3","1") = "6"
    & skf18("2","2","1","7","2","4","1") = "6"
    & skf18("2","2","1","7","2","5","1") = "6"
    & skf18("2","2","1","7","2","6","1") = "6"
    & skf18("2","2","1","7","2","7","1") = "6"
    & skf18("2","2","1","7","2","8","1") = "7"
    & skf18("2","2","1","7","2","9","1") = "8"
    & skf18("2","2","1","7","2","10","1") = "9"
    & skf18("2","2","1","7","3","1","1") = "6"
    & skf18("2","2","1","7","3","2","1") = "6"
    & skf18("2","2","1","7","3","3","1") = "6"
    & skf18("2","2","1","7","3","4","1") = "6"
    & skf18("2","2","1","7","3","5","1") = "6"
    & skf18("2","2","1","7","3","6","1") = "6"
    & skf18("2","2","1","7","3","7","1") = "6"
    & skf18("2","2","1","7","3","8","1") = "7"
    & skf18("2","2","1","7","3","9","1") = "8"
    & skf18("2","2","1","7","3","10","1") = "9"
    & skf18("2","2","1","7","4","1","1") = "6"
    & skf18("2","2","1","7","4","2","1") = "6"
    & skf18("2","2","1","7","4","3","1") = "6"
    & skf18("2","2","1","7","4","4","1") = "6"
    & skf18("2","2","1","7","4","5","1") = "6"
    & skf18("2","2","1","7","4","6","1") = "6"
    & skf18("2","2","1","7","4","7","1") = "6"
    & skf18("2","2","1","7","4","8","1") = "7"
    & skf18("2","2","1","7","4","9","1") = "8"
    & skf18("2","2","1","7","4","10","1") = "9"
    & skf18("2","2","1","7","5","1","1") = "6"
    & skf18("2","2","1","7","5","2","1") = "6"
    & skf18("2","2","1","7","5","3","1") = "6"
    & skf18("2","2","1","7","5","4","1") = "6"
    & skf18("2","2","1","7","5","5","1") = "6"
    & skf18("2","2","1","7","5","6","1") = "6"
    & skf18("2","2","1","7","5","7","1") = "6"
    & skf18("2","2","1","7","5","8","1") = "7"
    & skf18("2","2","1","7","5","9","1") = "8"
    & skf18("2","2","1","7","5","10","1") = "9"
    & skf18("2","2","1","7","6","1","1") = "6"
    & skf18("2","2","1","7","6","2","1") = "6"
    & skf18("2","2","1","7","6","3","1") = "6"
    & skf18("2","2","1","7","6","4","1") = "6"
    & skf18("2","2","1","7","6","5","1") = "6"
    & skf18("2","2","1","7","6","6","1") = "6"
    & skf18("2","2","1","7","6","7","1") = "6"
    & skf18("2","2","1","7","6","8","1") = "7"
    & skf18("2","2","1","7","6","9","1") = "8"
    & skf18("2","2","1","7","6","10","1") = "9"
    & skf18("2","2","1","7","7","1","1") = "6"
    & skf18("2","2","1","7","7","2","1") = "6"
    & skf18("2","2","1","7","7","3","1") = "6"
    & skf18("2","2","1","7","7","4","1") = "6"
    & skf18("2","2","1","7","7","5","1") = "6"
    & skf18("2","2","1","7","7","6","1") = "6"
    & skf18("2","2","1","7","7","7","1") = "6"
    & skf18("2","2","1","7","7","8","1") = "7"
    & skf18("2","2","1","7","7","9","1") = "8"
    & skf18("2","2","1","7","7","10","1") = "9"
    & skf18("2","2","1","7","8","1","1") = "7"
    & skf18("2","2","1","7","8","2","1") = "7"
    & skf18("2","2","1","7","8","3","1") = "7"
    & skf18("2","2","1","7","8","4","1") = "7"
    & skf18("2","2","1","7","8","5","1") = "7"
    & skf18("2","2","1","7","8","6","1") = "7"
    & skf18("2","2","1","7","8","7","1") = "7"
    & skf18("2","2","1","7","8","8","1") = "7"
    & skf18("2","2","1","7","8","9","1") = "8"
    & skf18("2","2","1","7","8","10","1") = "9"
    & skf18("2","2","1","7","9","1","1") = "8"
    & skf18("2","2","1","7","9","2","1") = "8"
    & skf18("2","2","1","7","9","3","1") = "8"
    & skf18("2","2","1","7","9","4","1") = "8"
    & skf18("2","2","1","7","9","5","1") = "8"
    & skf18("2","2","1","7","9","6","1") = "8"
    & skf18("2","2","1","7","9","7","1") = "8"
    & skf18("2","2","1","7","9","8","1") = "8"
    & skf18("2","2","1","7","9","9","1") = "8"
    & skf18("2","2","1","7","9","10","1") = "9"
    & skf18("2","2","1","7","10","1","1") = "9"
    & skf18("2","2","1","7","10","2","1") = "9"
    & skf18("2","2","1","7","10","3","1") = "9"
    & skf18("2","2","1","7","10","4","1") = "9"
    & skf18("2","2","1","7","10","5","1") = "9"
    & skf18("2","2","1","7","10","6","1") = "9"
    & skf18("2","2","1","7","10","7","1") = "9"
    & skf18("2","2","1","7","10","8","1") = "9"
    & skf18("2","2","1","7","10","9","1") = "9"
    & skf18("2","2","1","7","10","10","1") = "9"
    & skf18("2","2","1","8","1","1","1") = "7"
    & skf18("2","2","1","8","1","2","1") = "7"
    & skf18("2","2","1","8","1","3","1") = "7"
    & skf18("2","2","1","8","1","4","1") = "7"
    & skf18("2","2","1","8","1","5","1") = "7"
    & skf18("2","2","1","8","1","6","1") = "7"
    & skf18("2","2","1","8","1","7","1") = "7"
    & skf18("2","2","1","8","1","8","1") = "7"
    & skf18("2","2","1","8","1","9","1") = "8"
    & skf18("2","2","1","8","1","10","1") = "9"
    & skf18("2","2","1","8","2","1","1") = "7"
    & skf18("2","2","1","8","2","2","1") = "7"
    & skf18("2","2","1","8","2","3","1") = "7"
    & skf18("2","2","1","8","2","4","1") = "7"
    & skf18("2","2","1","8","2","5","1") = "7"
    & skf18("2","2","1","8","2","6","1") = "7"
    & skf18("2","2","1","8","2","7","1") = "7"
    & skf18("2","2","1","8","2","8","1") = "7"
    & skf18("2","2","1","8","2","9","1") = "8"
    & skf18("2","2","1","8","2","10","1") = "9"
    & skf18("2","2","1","8","3","1","1") = "7"
    & skf18("2","2","1","8","3","2","1") = "7"
    & skf18("2","2","1","8","3","3","1") = "7"
    & skf18("2","2","1","8","3","4","1") = "7"
    & skf18("2","2","1","8","3","5","1") = "7"
    & skf18("2","2","1","8","3","6","1") = "7"
    & skf18("2","2","1","8","3","7","1") = "7"
    & skf18("2","2","1","8","3","8","1") = "7"
    & skf18("2","2","1","8","3","9","1") = "8"
    & skf18("2","2","1","8","3","10","1") = "9"
    & skf18("2","2","1","8","4","1","1") = "7"
    & skf18("2","2","1","8","4","2","1") = "7"
    & skf18("2","2","1","8","4","3","1") = "7"
    & skf18("2","2","1","8","4","4","1") = "7"
    & skf18("2","2","1","8","4","5","1") = "7"
    & skf18("2","2","1","8","4","6","1") = "7"
    & skf18("2","2","1","8","4","7","1") = "7"
    & skf18("2","2","1","8","4","8","1") = "7"
    & skf18("2","2","1","8","4","9","1") = "8"
    & skf18("2","2","1","8","4","10","1") = "9"
    & skf18("2","2","1","8","5","1","1") = "7"
    & skf18("2","2","1","8","5","2","1") = "7"
    & skf18("2","2","1","8","5","3","1") = "7"
    & skf18("2","2","1","8","5","4","1") = "7"
    & skf18("2","2","1","8","5","5","1") = "7"
    & skf18("2","2","1","8","5","6","1") = "7"
    & skf18("2","2","1","8","5","7","1") = "7"
    & skf18("2","2","1","8","5","8","1") = "7"
    & skf18("2","2","1","8","5","9","1") = "8"
    & skf18("2","2","1","8","5","10","1") = "9"
    & skf18("2","2","1","8","6","1","1") = "7"
    & skf18("2","2","1","8","6","2","1") = "7"
    & skf18("2","2","1","8","6","3","1") = "7"
    & skf18("2","2","1","8","6","4","1") = "7"
    & skf18("2","2","1","8","6","5","1") = "7"
    & skf18("2","2","1","8","6","6","1") = "7"
    & skf18("2","2","1","8","6","7","1") = "7"
    & skf18("2","2","1","8","6","8","1") = "7"
    & skf18("2","2","1","8","6","9","1") = "8"
    & skf18("2","2","1","8","6","10","1") = "9"
    & skf18("2","2","1","8","7","1","1") = "7"
    & skf18("2","2","1","8","7","2","1") = "7"
    & skf18("2","2","1","8","7","3","1") = "7"
    & skf18("2","2","1","8","7","4","1") = "7"
    & skf18("2","2","1","8","7","5","1") = "7"
    & skf18("2","2","1","8","7","6","1") = "7"
    & skf18("2","2","1","8","7","7","1") = "7"
    & skf18("2","2","1","8","7","8","1") = "7"
    & skf18("2","2","1","8","7","9","1") = "8"
    & skf18("2","2","1","8","7","10","1") = "9"
    & skf18("2","2","1","8","8","1","1") = "7"
    & skf18("2","2","1","8","8","2","1") = "7"
    & skf18("2","2","1","8","8","3","1") = "7"
    & skf18("2","2","1","8","8","4","1") = "7"
    & skf18("2","2","1","8","8","5","1") = "7"
    & skf18("2","2","1","8","8","6","1") = "7"
    & skf18("2","2","1","8","8","7","1") = "7"
    & skf18("2","2","1","8","8","8","1") = "7"
    & skf18("2","2","1","8","8","9","1") = "8"
    & skf18("2","2","1","8","8","10","1") = "9"
    & skf18("2","2","1","8","9","1","1") = "8"
    & skf18("2","2","1","8","9","2","1") = "8"
    & skf18("2","2","1","8","9","3","1") = "8"
    & skf18("2","2","1","8","9","4","1") = "8"
    & skf18("2","2","1","8","9","5","1") = "8"
    & skf18("2","2","1","8","9","6","1") = "8"
    & skf18("2","2","1","8","9","7","1") = "8"
    & skf18("2","2","1","8","9","8","1") = "8"
    & skf18("2","2","1","8","9","9","1") = "8"
    & skf18("2","2","1","8","9","10","1") = "9"
    & skf18("2","2","1","8","10","1","1") = "9"
    & skf18("2","2","1","8","10","2","1") = "9"
    & skf18("2","2","1","8","10","3","1") = "9"
    & skf18("2","2","1","8","10","4","1") = "9"
    & skf18("2","2","1","8","10","5","1") = "9"
    & skf18("2","2","1","8","10","6","1") = "9"
    & skf18("2","2","1","8","10","7","1") = "9"
    & skf18("2","2","1","8","10","8","1") = "9"
    & skf18("2","2","1","8","10","9","1") = "9"
    & skf18("2","2","1","8","10","10","1") = "9"
    & skf18("2","2","1","9","1","1","1") = "8"
    & skf18("2","2","1","9","1","2","1") = "8"
    & skf18("2","2","1","9","1","3","1") = "8"
    & skf18("2","2","1","9","1","4","1") = "8"
    & skf18("2","2","1","9","1","5","1") = "8"
    & skf18("2","2","1","9","1","6","1") = "8"
    & skf18("2","2","1","9","1","7","1") = "8"
    & skf18("2","2","1","9","1","8","1") = "8"
    & skf18("2","2","1","9","1","9","1") = "8"
    & skf18("2","2","1","9","1","10","1") = "9"
    & skf18("2","2","1","9","2","1","1") = "8"
    & skf18("2","2","1","9","2","2","1") = "8"
    & skf18("2","2","1","9","2","3","1") = "8"
    & skf18("2","2","1","9","2","4","1") = "8"
    & skf18("2","2","1","9","2","5","1") = "8"
    & skf18("2","2","1","9","2","6","1") = "8"
    & skf18("2","2","1","9","2","7","1") = "8"
    & skf18("2","2","1","9","2","8","1") = "8"
    & skf18("2","2","1","9","2","9","1") = "8"
    & skf18("2","2","1","9","2","10","1") = "9"
    & skf18("2","2","1","9","3","1","1") = "8"
    & skf18("2","2","1","9","3","2","1") = "8"
    & skf18("2","2","1","9","3","3","1") = "8"
    & skf18("2","2","1","9","3","4","1") = "8"
    & skf18("2","2","1","9","3","5","1") = "8"
    & skf18("2","2","1","9","3","6","1") = "8"
    & skf18("2","2","1","9","3","7","1") = "8"
    & skf18("2","2","1","9","3","8","1") = "8"
    & skf18("2","2","1","9","3","9","1") = "8"
    & skf18("2","2","1","9","3","10","1") = "9"
    & skf18("2","2","1","9","4","1","1") = "8"
    & skf18("2","2","1","9","4","2","1") = "8"
    & skf18("2","2","1","9","4","3","1") = "8"
    & skf18("2","2","1","9","4","4","1") = "8"
    & skf18("2","2","1","9","4","5","1") = "8"
    & skf18("2","2","1","9","4","6","1") = "8"
    & skf18("2","2","1","9","4","7","1") = "8"
    & skf18("2","2","1","9","4","8","1") = "8"
    & skf18("2","2","1","9","4","9","1") = "8"
    & skf18("2","2","1","9","4","10","1") = "9"
    & skf18("2","2","1","9","5","1","1") = "8"
    & skf18("2","2","1","9","5","2","1") = "8"
    & skf18("2","2","1","9","5","3","1") = "8"
    & skf18("2","2","1","9","5","4","1") = "8"
    & skf18("2","2","1","9","5","5","1") = "8"
    & skf18("2","2","1","9","5","6","1") = "8"
    & skf18("2","2","1","9","5","7","1") = "8"
    & skf18("2","2","1","9","5","8","1") = "8"
    & skf18("2","2","1","9","5","9","1") = "8"
    & skf18("2","2","1","9","5","10","1") = "9"
    & skf18("2","2","1","9","6","1","1") = "8"
    & skf18("2","2","1","9","6","2","1") = "8"
    & skf18("2","2","1","9","6","3","1") = "8"
    & skf18("2","2","1","9","6","4","1") = "8"
    & skf18("2","2","1","9","6","5","1") = "8"
    & skf18("2","2","1","9","6","6","1") = "8"
    & skf18("2","2","1","9","6","7","1") = "8"
    & skf18("2","2","1","9","6","8","1") = "8"
    & skf18("2","2","1","9","6","9","1") = "8"
    & skf18("2","2","1","9","6","10","1") = "9"
    & skf18("2","2","1","9","7","1","1") = "8"
    & skf18("2","2","1","9","7","2","1") = "8"
    & skf18("2","2","1","9","7","3","1") = "8"
    & skf18("2","2","1","9","7","4","1") = "8"
    & skf18("2","2","1","9","7","5","1") = "8"
    & skf18("2","2","1","9","7","6","1") = "8"
    & skf18("2","2","1","9","7","7","1") = "8"
    & skf18("2","2","1","9","7","8","1") = "8"
    & skf18("2","2","1","9","7","9","1") = "8"
    & skf18("2","2","1","9","7","10","1") = "9"
    & skf18("2","2","1","9","8","1","1") = "8"
    & skf18("2","2","1","9","8","2","1") = "8"
    & skf18("2","2","1","9","8","3","1") = "8"
    & skf18("2","2","1","9","8","4","1") = "8"
    & skf18("2","2","1","9","8","5","1") = "8"
    & skf18("2","2","1","9","8","6","1") = "8"
    & skf18("2","2","1","9","8","7","1") = "8"
    & skf18("2","2","1","9","8","8","1") = "8"
    & skf18("2","2","1","9","8","9","1") = "8"
    & skf18("2","2","1","9","8","10","1") = "9"
    & skf18("2","2","1","9","9","1","1") = "8"
    & skf18("2","2","1","9","9","2","1") = "8"
    & skf18("2","2","1","9","9","3","1") = "8"
    & skf18("2","2","1","9","9","4","1") = "8"
    & skf18("2","2","1","9","9","5","1") = "8"
    & skf18("2","2","1","9","9","6","1") = "8"
    & skf18("2","2","1","9","9","7","1") = "8"
    & skf18("2","2","1","9","9","8","1") = "8"
    & skf18("2","2","1","9","9","9","1") = "8"
    & skf18("2","2","1","9","9","10","1") = "9"
    & skf18("2","2","1","9","10","1","1") = "9"
    & skf18("2","2","1","9","10","2","1") = "9"
    & skf18("2","2","1","9","10","3","1") = "9"
    & skf18("2","2","1","9","10","4","1") = "9"
    & skf18("2","2","1","9","10","5","1") = "9"
    & skf18("2","2","1","9","10","6","1") = "9"
    & skf18("2","2","1","9","10","7","1") = "9"
    & skf18("2","2","1","9","10","8","1") = "9"
    & skf18("2","2","1","9","10","9","1") = "9"
    & skf18("2","2","1","9","10","10","1") = "9"
    & skf18("2","2","1","10","1","1","1") = "9"
    & skf18("2","2","1","10","1","2","1") = "9"
    & skf18("2","2","1","10","1","3","1") = "9"
    & skf18("2","2","1","10","1","4","1") = "9"
    & skf18("2","2","1","10","1","5","1") = "9"
    & skf18("2","2","1","10","1","6","1") = "9"
    & skf18("2","2","1","10","1","7","1") = "9"
    & skf18("2","2","1","10","1","8","1") = "9"
    & skf18("2","2","1","10","1","9","1") = "9"
    & skf18("2","2","1","10","1","10","1") = "9"
    & skf18("2","2","1","10","2","1","1") = "9"
    & skf18("2","2","1","10","2","2","1") = "9"
    & skf18("2","2","1","10","2","3","1") = "9"
    & skf18("2","2","1","10","2","4","1") = "9"
    & skf18("2","2","1","10","2","5","1") = "9"
    & skf18("2","2","1","10","2","6","1") = "9"
    & skf18("2","2","1","10","2","7","1") = "9"
    & skf18("2","2","1","10","2","8","1") = "9"
    & skf18("2","2","1","10","2","9","1") = "9"
    & skf18("2","2","1","10","2","10","1") = "9"
    & skf18("2","2","1","10","3","1","1") = "9"
    & skf18("2","2","1","10","3","2","1") = "9"
    & skf18("2","2","1","10","3","3","1") = "9"
    & skf18("2","2","1","10","3","4","1") = "9"
    & skf18("2","2","1","10","3","5","1") = "9"
    & skf18("2","2","1","10","3","6","1") = "9"
    & skf18("2","2","1","10","3","7","1") = "9"
    & skf18("2","2","1","10","3","8","1") = "9"
    & skf18("2","2","1","10","3","9","1") = "9"
    & skf18("2","2","1","10","3","10","1") = "9"
    & skf18("2","2","1","10","4","1","1") = "9"
    & skf18("2","2","1","10","4","2","1") = "9"
    & skf18("2","2","1","10","4","3","1") = "9"
    & skf18("2","2","1","10","4","4","1") = "9"
    & skf18("2","2","1","10","4","5","1") = "9"
    & skf18("2","2","1","10","4","6","1") = "9"
    & skf18("2","2","1","10","4","7","1") = "9"
    & skf18("2","2","1","10","4","8","1") = "9"
    & skf18("2","2","1","10","4","9","1") = "9"
    & skf18("2","2","1","10","4","10","1") = "9"
    & skf18("2","2","1","10","5","1","1") = "9"
    & skf18("2","2","1","10","5","2","1") = "9"
    & skf18("2","2","1","10","5","3","1") = "9"
    & skf18("2","2","1","10","5","4","1") = "9"
    & skf18("2","2","1","10","5","5","1") = "9"
    & skf18("2","2","1","10","5","6","1") = "9"
    & skf18("2","2","1","10","5","7","1") = "9"
    & skf18("2","2","1","10","5","8","1") = "9"
    & skf18("2","2","1","10","5","9","1") = "9"
    & skf18("2","2","1","10","5","10","1") = "9"
    & skf18("2","2","1","10","6","1","1") = "9"
    & skf18("2","2","1","10","6","2","1") = "9"
    & skf18("2","2","1","10","6","3","1") = "9"
    & skf18("2","2","1","10","6","4","1") = "9"
    & skf18("2","2","1","10","6","5","1") = "9"
    & skf18("2","2","1","10","6","6","1") = "9"
    & skf18("2","2","1","10","6","7","1") = "9"
    & skf18("2","2","1","10","6","8","1") = "9"
    & skf18("2","2","1","10","6","9","1") = "9"
    & skf18("2","2","1","10","6","10","1") = "9"
    & skf18("2","2","1","10","7","1","1") = "9"
    & skf18("2","2","1","10","7","2","1") = "9"
    & skf18("2","2","1","10","7","3","1") = "9"
    & skf18("2","2","1","10","7","4","1") = "9"
    & skf18("2","2","1","10","7","5","1") = "9"
    & skf18("2","2","1","10","7","6","1") = "9"
    & skf18("2","2","1","10","7","7","1") = "9"
    & skf18("2","2","1","10","7","8","1") = "9"
    & skf18("2","2","1","10","7","9","1") = "9"
    & skf18("2","2","1","10","7","10","1") = "9"
    & skf18("2","2","1","10","8","1","1") = "9"
    & skf18("2","2","1","10","8","2","1") = "9"
    & skf18("2","2","1","10","8","3","1") = "9"
    & skf18("2","2","1","10","8","4","1") = "9"
    & skf18("2","2","1","10","8","5","1") = "9"
    & skf18("2","2","1","10","8","6","1") = "9"
    & skf18("2","2","1","10","8","7","1") = "9"
    & skf18("2","2","1","10","8","8","1") = "9"
    & skf18("2","2","1","10","8","9","1") = "9"
    & skf18("2","2","1","10","8","10","1") = "9"
    & skf18("2","2","1","10","9","1","1") = "9"
    & skf18("2","2","1","10","9","2","1") = "9"
    & skf18("2","2","1","10","9","3","1") = "9"
    & skf18("2","2","1","10","9","4","1") = "9"
    & skf18("2","2","1","10","9","5","1") = "9"
    & skf18("2","2","1","10","9","6","1") = "9"
    & skf18("2","2","1","10","9","7","1") = "9"
    & skf18("2","2","1","10","9","8","1") = "9"
    & skf18("2","2","1","10","9","9","1") = "9"
    & skf18("2","2","1","10","9","10","1") = "9"
    & skf18("2","2","1","10","10","1","1") = "9"
    & skf18("2","2","1","10","10","2","1") = "9"
    & skf18("2","2","1","10","10","3","1") = "9"
    & skf18("2","2","1","10","10","4","1") = "9"
    & skf18("2","2","1","10","10","5","1") = "9"
    & skf18("2","2","1","10","10","6","1") = "9"
    & skf18("2","2","1","10","10","7","1") = "9"
    & skf18("2","2","1","10","10","8","1") = "9"
    & skf18("2","2","1","10","10","9","1") = "9"
    & skf18("2","2","1","10","10","10","1") = "9"
    & skf18("2","2","2","1","1","1","1") = "1"
    & skf18("2","2","2","1","1","2","1") = "1"
    & skf18("2","2","2","1","1","3","1") = "2"
    & skf18("2","2","2","1","1","4","1") = "3"
    & skf18("2","2","2","1","1","5","1") = "4"
    & skf18("2","2","2","1","1","6","1") = "5"
    & skf18("2","2","2","1","1","7","1") = "6"
    & skf18("2","2","2","1","1","8","1") = "7"
    & skf18("2","2","2","1","1","9","1") = "8"
    & skf18("2","2","2","1","1","10","1") = "9"
    & skf18("2","2","2","1","2","1","1") = "1"
    & skf18("2","2","2","1","2","2","1") = "1"
    & skf18("2","2","2","1","2","3","1") = "2"
    & skf18("2","2","2","1","2","4","1") = "3"
    & skf18("2","2","2","1","2","5","1") = "4"
    & skf18("2","2","2","1","2","6","1") = "5"
    & skf18("2","2","2","1","2","7","1") = "6"
    & skf18("2","2","2","1","2","8","1") = "7"
    & skf18("2","2","2","1","2","9","1") = "8"
    & skf18("2","2","2","1","2","10","1") = "9"
    & skf18("2","2","2","1","3","1","1") = "2"
    & skf18("2","2","2","1","3","2","1") = "2"
    & skf18("2","2","2","1","3","3","1") = "2"
    & skf18("2","2","2","1","3","4","1") = "3"
    & skf18("2","2","2","1","3","5","1") = "4"
    & skf18("2","2","2","1","3","6","1") = "5"
    & skf18("2","2","2","1","3","7","1") = "6"
    & skf18("2","2","2","1","3","8","1") = "7"
    & skf18("2","2","2","1","3","9","1") = "8"
    & skf18("2","2","2","1","3","10","1") = "9"
    & skf18("2","2","2","1","4","1","1") = "3"
    & skf18("2","2","2","1","4","2","1") = "3"
    & skf18("2","2","2","1","4","3","1") = "3"
    & skf18("2","2","2","1","4","4","1") = "3"
    & skf18("2","2","2","1","4","5","1") = "4"
    & skf18("2","2","2","1","4","6","1") = "5"
    & skf18("2","2","2","1","4","7","1") = "6"
    & skf18("2","2","2","1","4","8","1") = "7"
    & skf18("2","2","2","1","4","9","1") = "8"
    & skf18("2","2","2","1","4","10","1") = "9"
    & skf18("2","2","2","1","5","1","1") = "4"
    & skf18("2","2","2","1","5","2","1") = "4"
    & skf18("2","2","2","1","5","3","1") = "4"
    & skf18("2","2","2","1","5","4","1") = "4"
    & skf18("2","2","2","1","5","5","1") = "4"
    & skf18("2","2","2","1","5","6","1") = "5"
    & skf18("2","2","2","1","5","7","1") = "6"
    & skf18("2","2","2","1","5","8","1") = "7"
    & skf18("2","2","2","1","5","9","1") = "8"
    & skf18("2","2","2","1","5","10","1") = "9"
    & skf18("2","2","2","1","6","1","1") = "5"
    & skf18("2","2","2","1","6","2","1") = "5"
    & skf18("2","2","2","1","6","3","1") = "5"
    & skf18("2","2","2","1","6","4","1") = "5"
    & skf18("2","2","2","1","6","5","1") = "5"
    & skf18("2","2","2","1","6","6","1") = "5"
    & skf18("2","2","2","1","6","7","1") = "6"
    & skf18("2","2","2","1","6","8","1") = "7"
    & skf18("2","2","2","1","6","9","1") = "8"
    & skf18("2","2","2","1","6","10","1") = "9"
    & skf18("2","2","2","1","7","1","1") = "6"
    & skf18("2","2","2","1","7","2","1") = "6"
    & skf18("2","2","2","1","7","3","1") = "6"
    & skf18("2","2","2","1","7","4","1") = "6"
    & skf18("2","2","2","1","7","5","1") = "6"
    & skf18("2","2","2","1","7","6","1") = "6"
    & skf18("2","2","2","1","7","7","1") = "6"
    & skf18("2","2","2","1","7","8","1") = "7"
    & skf18("2","2","2","1","7","9","1") = "8"
    & skf18("2","2","2","1","7","10","1") = "9"
    & skf18("2","2","2","1","8","1","1") = "7"
    & skf18("2","2","2","1","8","2","1") = "7"
    & skf18("2","2","2","1","8","3","1") = "7"
    & skf18("2","2","2","1","8","4","1") = "7"
    & skf18("2","2","2","1","8","5","1") = "7"
    & skf18("2","2","2","1","8","6","1") = "7"
    & skf18("2","2","2","1","8","7","1") = "7"
    & skf18("2","2","2","1","8","8","1") = "7"
    & skf18("2","2","2","1","8","9","1") = "8"
    & skf18("2","2","2","1","8","10","1") = "9"
    & skf18("2","2","2","1","9","1","1") = "8"
    & skf18("2","2","2","1","9","2","1") = "8"
    & skf18("2","2","2","1","9","3","1") = "8"
    & skf18("2","2","2","1","9","4","1") = "8"
    & skf18("2","2","2","1","9","5","1") = "8"
    & skf18("2","2","2","1","9","6","1") = "8"
    & skf18("2","2","2","1","9","7","1") = "8"
    & skf18("2","2","2","1","9","8","1") = "8"
    & skf18("2","2","2","1","9","9","1") = "8"
    & skf18("2","2","2","1","9","10","1") = "9"
    & skf18("2","2","2","1","10","1","1") = "9"
    & skf18("2","2","2","1","10","2","1") = "9"
    & skf18("2","2","2","1","10","3","1") = "9"
    & skf18("2","2","2","1","10","4","1") = "9"
    & skf18("2","2","2","1","10","5","1") = "9"
    & skf18("2","2","2","1","10","6","1") = "9"
    & skf18("2","2","2","1","10","7","1") = "9"
    & skf18("2","2","2","1","10","8","1") = "9"
    & skf18("2","2","2","1","10","9","1") = "9"
    & skf18("2","2","2","1","10","10","1") = "9"
    & skf18("2","2","2","2","1","1","1") = "2"
    & skf18("2","2","2","2","1","2","1") = "1"
    & skf18("2","2","2","2","1","3","1") = "2"
    & skf18("2","2","2","2","1","4","1") = "3"
    & skf18("2","2","2","2","1","5","1") = "4"
    & skf18("2","2","2","2","1","6","1") = "5"
    & skf18("2","2","2","2","1","7","1") = "6"
    & skf18("2","2","2","2","1","8","1") = "7"
    & skf18("2","2","2","2","1","9","1") = "8"
    & skf18("2","2","2","2","1","10","1") = "9"
    & skf18("2","2","2","2","2","1","1") = "1"
    & skf18("2","2","2","2","2","2","1") = "1"
    & skf18("2","2","2","2","2","3","1") = "2"
    & skf18("2","2","2","2","2","4","1") = "3"
    & skf18("2","2","2","2","2","5","1") = "4"
    & skf18("2","2","2","2","2","6","1") = "5"
    & skf18("2","2","2","2","2","7","1") = "6"
    & skf18("2","2","2","2","2","8","1") = "7"
    & skf18("2","2","2","2","2","9","1") = "8"
    & skf18("2","2","2","2","2","10","1") = "9"
    & skf18("2","2","2","2","3","1","1") = "2"
    & skf18("2","2","2","2","3","2","1") = "2"
    & skf18("2","2","2","2","3","3","1") = "2"
    & skf18("2","2","2","2","3","4","1") = "3"
    & skf18("2","2","2","2","3","5","1") = "4"
    & skf18("2","2","2","2","3","6","1") = "5"
    & skf18("2","2","2","2","3","7","1") = "6"
    & skf18("2","2","2","2","3","8","1") = "7"
    & skf18("2","2","2","2","3","9","1") = "8"
    & skf18("2","2","2","2","3","10","1") = "9"
    & skf18("2","2","2","2","4","1","1") = "3"
    & skf18("2","2","2","2","4","2","1") = "3"
    & skf18("2","2","2","2","4","3","1") = "3"
    & skf18("2","2","2","2","4","4","1") = "3"
    & skf18("2","2","2","2","4","5","1") = "4"
    & skf18("2","2","2","2","4","6","1") = "5"
    & skf18("2","2","2","2","4","7","1") = "6"
    & skf18("2","2","2","2","4","8","1") = "7"
    & skf18("2","2","2","2","4","9","1") = "8"
    & skf18("2","2","2","2","4","10","1") = "9"
    & skf18("2","2","2","2","5","1","1") = "4"
    & skf18("2","2","2","2","5","2","1") = "4"
    & skf18("2","2","2","2","5","3","1") = "4"
    & skf18("2","2","2","2","5","4","1") = "4"
    & skf18("2","2","2","2","5","5","1") = "4"
    & skf18("2","2","2","2","5","6","1") = "5"
    & skf18("2","2","2","2","5","7","1") = "6"
    & skf18("2","2","2","2","5","8","1") = "7"
    & skf18("2","2","2","2","5","9","1") = "8"
    & skf18("2","2","2","2","5","10","1") = "9"
    & skf18("2","2","2","2","6","1","1") = "5"
    & skf18("2","2","2","2","6","2","1") = "5"
    & skf18("2","2","2","2","6","3","1") = "5"
    & skf18("2","2","2","2","6","4","1") = "5"
    & skf18("2","2","2","2","6","5","1") = "5"
    & skf18("2","2","2","2","6","6","1") = "5"
    & skf18("2","2","2","2","6","7","1") = "6"
    & skf18("2","2","2","2","6","8","1") = "7"
    & skf18("2","2","2","2","6","9","1") = "8"
    & skf18("2","2","2","2","6","10","1") = "9"
    & skf18("2","2","2","2","7","1","1") = "6"
    & skf18("2","2","2","2","7","2","1") = "6"
    & skf18("2","2","2","2","7","3","1") = "6"
    & skf18("2","2","2","2","7","4","1") = "6"
    & skf18("2","2","2","2","7","5","1") = "6"
    & skf18("2","2","2","2","7","6","1") = "6"
    & skf18("2","2","2","2","7","7","1") = "6"
    & skf18("2","2","2","2","7","8","1") = "7"
    & skf18("2","2","2","2","7","9","1") = "8"
    & skf18("2","2","2","2","7","10","1") = "9"
    & skf18("2","2","2","2","8","1","1") = "7"
    & skf18("2","2","2","2","8","2","1") = "7"
    & skf18("2","2","2","2","8","3","1") = "7"
    & skf18("2","2","2","2","8","4","1") = "7"
    & skf18("2","2","2","2","8","5","1") = "7"
    & skf18("2","2","2","2","8","6","1") = "7"
    & skf18("2","2","2","2","8","7","1") = "7"
    & skf18("2","2","2","2","8","8","1") = "7"
    & skf18("2","2","2","2","8","9","1") = "8"
    & skf18("2","2","2","2","8","10","1") = "9"
    & skf18("2","2","2","2","9","1","1") = "8"
    & skf18("2","2","2","2","9","2","1") = "8"
    & skf18("2","2","2","2","9","3","1") = "8"
    & skf18("2","2","2","2","9","4","1") = "8"
    & skf18("2","2","2","2","9","5","1") = "8"
    & skf18("2","2","2","2","9","6","1") = "8"
    & skf18("2","2","2","2","9","7","1") = "8"
    & skf18("2","2","2","2","9","8","1") = "8"
    & skf18("2","2","2","2","9","9","1") = "8"
    & skf18("2","2","2","2","9","10","1") = "9"
    & skf18("2","2","2","2","10","1","1") = "9"
    & skf18("2","2","2","2","10","2","1") = "9"
    & skf18("2","2","2","2","10","3","1") = "9"
    & skf18("2","2","2","2","10","4","1") = "9"
    & skf18("2","2","2","2","10","5","1") = "9"
    & skf18("2","2","2","2","10","6","1") = "9"
    & skf18("2","2","2","2","10","7","1") = "9"
    & skf18("2","2","2","2","10","8","1") = "9"
    & skf18("2","2","2","2","10","9","1") = "9"
    & skf18("2","2","2","2","10","10","1") = "9"
    & skf18("2","2","2","3","1","1","1") = "2"
    & skf18("2","2","2","3","1","2","1") = "2"
    & skf18("2","2","2","3","1","3","1") = "2"
    & skf18("2","2","2","3","1","4","1") = "3"
    & skf18("2","2","2","3","1","5","1") = "4"
    & skf18("2","2","2","3","1","6","1") = "5"
    & skf18("2","2","2","3","1","7","1") = "6"
    & skf18("2","2","2","3","1","8","1") = "7"
    & skf18("2","2","2","3","1","9","1") = "8"
    & skf18("2","2","2","3","1","10","1") = "9"
    & skf18("2","2","2","3","2","1","1") = "2"
    & skf18("2","2","2","3","2","2","1") = "2"
    & skf18("2","2","2","3","2","3","1") = "2"
    & skf18("2","2","2","3","2","4","1") = "3"
    & skf18("2","2","2","3","2","5","1") = "4"
    & skf18("2","2","2","3","2","6","1") = "5"
    & skf18("2","2","2","3","2","7","1") = "6"
    & skf18("2","2","2","3","2","8","1") = "7"
    & skf18("2","2","2","3","2","9","1") = "8"
    & skf18("2","2","2","3","2","10","1") = "9"
    & skf18("2","2","2","3","3","1","1") = "2"
    & skf18("2","2","2","3","3","2","1") = "2"
    & skf18("2","2","2","3","3","3","1") = "2"
    & skf18("2","2","2","3","3","4","1") = "3"
    & skf18("2","2","2","3","3","5","1") = "4"
    & skf18("2","2","2","3","3","6","1") = "5"
    & skf18("2","2","2","3","3","7","1") = "6"
    & skf18("2","2","2","3","3","8","1") = "7"
    & skf18("2","2","2","3","3","9","1") = "8"
    & skf18("2","2","2","3","3","10","1") = "9"
    & skf18("2","2","2","3","4","1","1") = "3"
    & skf18("2","2","2","3","4","2","1") = "3"
    & skf18("2","2","2","3","4","3","1") = "3"
    & skf18("2","2","2","3","4","4","1") = "3"
    & skf18("2","2","2","3","4","5","1") = "4"
    & skf18("2","2","2","3","4","6","1") = "5"
    & skf18("2","2","2","3","4","7","1") = "6"
    & skf18("2","2","2","3","4","8","1") = "7"
    & skf18("2","2","2","3","4","9","1") = "8"
    & skf18("2","2","2","3","4","10","1") = "9"
    & skf18("2","2","2","3","5","1","1") = "4"
    & skf18("2","2","2","3","5","2","1") = "4"
    & skf18("2","2","2","3","5","3","1") = "4"
    & skf18("2","2","2","3","5","4","1") = "4"
    & skf18("2","2","2","3","5","5","1") = "4"
    & skf18("2","2","2","3","5","6","1") = "5"
    & skf18("2","2","2","3","5","7","1") = "6"
    & skf18("2","2","2","3","5","8","1") = "7"
    & skf18("2","2","2","3","5","9","1") = "8"
    & skf18("2","2","2","3","5","10","1") = "9"
    & skf18("2","2","2","3","6","1","1") = "5"
    & skf18("2","2","2","3","6","2","1") = "5"
    & skf18("2","2","2","3","6","3","1") = "5"
    & skf18("2","2","2","3","6","4","1") = "5"
    & skf18("2","2","2","3","6","5","1") = "5"
    & skf18("2","2","2","3","6","6","1") = "5"
    & skf18("2","2","2","3","6","7","1") = "6"
    & skf18("2","2","2","3","6","8","1") = "7"
    & skf18("2","2","2","3","6","9","1") = "8"
    & skf18("2","2","2","3","6","10","1") = "9"
    & skf18("2","2","2","3","7","1","1") = "6"
    & skf18("2","2","2","3","7","2","1") = "6"
    & skf18("2","2","2","3","7","3","1") = "6"
    & skf18("2","2","2","3","7","4","1") = "6"
    & skf18("2","2","2","3","7","5","1") = "6"
    & skf18("2","2","2","3","7","6","1") = "6"
    & skf18("2","2","2","3","7","7","1") = "6"
    & skf18("2","2","2","3","7","8","1") = "7"
    & skf18("2","2","2","3","7","9","1") = "8"
    & skf18("2","2","2","3","7","10","1") = "9"
    & skf18("2","2","2","3","8","1","1") = "7"
    & skf18("2","2","2","3","8","2","1") = "7"
    & skf18("2","2","2","3","8","3","1") = "7"
    & skf18("2","2","2","3","8","4","1") = "7"
    & skf18("2","2","2","3","8","5","1") = "7"
    & skf18("2","2","2","3","8","6","1") = "7"
    & skf18("2","2","2","3","8","7","1") = "7"
    & skf18("2","2","2","3","8","8","1") = "7"
    & skf18("2","2","2","3","8","9","1") = "8"
    & skf18("2","2","2","3","8","10","1") = "9"
    & skf18("2","2","2","3","9","1","1") = "8"
    & skf18("2","2","2","3","9","2","1") = "8"
    & skf18("2","2","2","3","9","3","1") = "8"
    & skf18("2","2","2","3","9","4","1") = "8"
    & skf18("2","2","2","3","9","5","1") = "8"
    & skf18("2","2","2","3","9","6","1") = "8"
    & skf18("2","2","2","3","9","7","1") = "8"
    & skf18("2","2","2","3","9","8","1") = "8"
    & skf18("2","2","2","3","9","9","1") = "8"
    & skf18("2","2","2","3","9","10","1") = "9"
    & skf18("2","2","2","3","10","1","1") = "9"
    & skf18("2","2","2","3","10","2","1") = "9"
    & skf18("2","2","2","3","10","3","1") = "9"
    & skf18("2","2","2","3","10","4","1") = "9"
    & skf18("2","2","2","3","10","5","1") = "9"
    & skf18("2","2","2","3","10","6","1") = "9"
    & skf18("2","2","2","3","10","7","1") = "9"
    & skf18("2","2","2","3","10","8","1") = "9"
    & skf18("2","2","2","3","10","9","1") = "9"
    & skf18("2","2","2","3","10","10","1") = "9"
    & skf18("2","2","2","4","1","1","1") = "3"
    & skf18("2","2","2","4","1","2","1") = "3"
    & skf18("2","2","2","4","1","3","1") = "3"
    & skf18("2","2","2","4","1","4","1") = "3"
    & skf18("2","2","2","4","1","5","1") = "4"
    & skf18("2","2","2","4","1","6","1") = "5"
    & skf18("2","2","2","4","1","7","1") = "6"
    & skf18("2","2","2","4","1","8","1") = "7"
    & skf18("2","2","2","4","1","9","1") = "8"
    & skf18("2","2","2","4","1","10","1") = "9"
    & skf18("2","2","2","4","2","1","1") = "3"
    & skf18("2","2","2","4","2","2","1") = "3"
    & skf18("2","2","2","4","2","3","1") = "3"
    & skf18("2","2","2","4","2","4","1") = "3"
    & skf18("2","2","2","4","2","5","1") = "4"
    & skf18("2","2","2","4","2","6","1") = "5"
    & skf18("2","2","2","4","2","7","1") = "6"
    & skf18("2","2","2","4","2","8","1") = "7"
    & skf18("2","2","2","4","2","9","1") = "8"
    & skf18("2","2","2","4","2","10","1") = "9"
    & skf18("2","2","2","4","3","1","1") = "3"
    & skf18("2","2","2","4","3","2","1") = "3"
    & skf18("2","2","2","4","3","3","1") = "3"
    & skf18("2","2","2","4","3","4","1") = "3"
    & skf18("2","2","2","4","3","5","1") = "4"
    & skf18("2","2","2","4","3","6","1") = "5"
    & skf18("2","2","2","4","3","7","1") = "6"
    & skf18("2","2","2","4","3","8","1") = "7"
    & skf18("2","2","2","4","3","9","1") = "8"
    & skf18("2","2","2","4","3","10","1") = "9"
    & skf18("2","2","2","4","4","1","1") = "3"
    & skf18("2","2","2","4","4","2","1") = "3"
    & skf18("2","2","2","4","4","3","1") = "3"
    & skf18("2","2","2","4","4","4","1") = "3"
    & skf18("2","2","2","4","4","5","1") = "4"
    & skf18("2","2","2","4","4","6","1") = "5"
    & skf18("2","2","2","4","4","7","1") = "6"
    & skf18("2","2","2","4","4","8","1") = "7"
    & skf18("2","2","2","4","4","9","1") = "8"
    & skf18("2","2","2","4","4","10","1") = "9"
    & skf18("2","2","2","4","5","1","1") = "4"
    & skf18("2","2","2","4","5","2","1") = "4"
    & skf18("2","2","2","4","5","3","1") = "4"
    & skf18("2","2","2","4","5","4","1") = "4"
    & skf18("2","2","2","4","5","5","1") = "4"
    & skf18("2","2","2","4","5","6","1") = "5"
    & skf18("2","2","2","4","5","7","1") = "6"
    & skf18("2","2","2","4","5","8","1") = "7"
    & skf18("2","2","2","4","5","9","1") = "8"
    & skf18("2","2","2","4","5","10","1") = "9"
    & skf18("2","2","2","4","6","1","1") = "5"
    & skf18("2","2","2","4","6","2","1") = "5"
    & skf18("2","2","2","4","6","3","1") = "5"
    & skf18("2","2","2","4","6","4","1") = "5"
    & skf18("2","2","2","4","6","5","1") = "5"
    & skf18("2","2","2","4","6","6","1") = "5"
    & skf18("2","2","2","4","6","7","1") = "6"
    & skf18("2","2","2","4","6","8","1") = "7"
    & skf18("2","2","2","4","6","9","1") = "8"
    & skf18("2","2","2","4","6","10","1") = "9"
    & skf18("2","2","2","4","7","1","1") = "6"
    & skf18("2","2","2","4","7","2","1") = "6"
    & skf18("2","2","2","4","7","3","1") = "6"
    & skf18("2","2","2","4","7","4","1") = "6"
    & skf18("2","2","2","4","7","5","1") = "6"
    & skf18("2","2","2","4","7","6","1") = "6"
    & skf18("2","2","2","4","7","7","1") = "6"
    & skf18("2","2","2","4","7","8","1") = "7"
    & skf18("2","2","2","4","7","9","1") = "8"
    & skf18("2","2","2","4","7","10","1") = "9"
    & skf18("2","2","2","4","8","1","1") = "7"
    & skf18("2","2","2","4","8","2","1") = "7"
    & skf18("2","2","2","4","8","3","1") = "7"
    & skf18("2","2","2","4","8","4","1") = "7"
    & skf18("2","2","2","4","8","5","1") = "7"
    & skf18("2","2","2","4","8","6","1") = "7"
    & skf18("2","2","2","4","8","7","1") = "7"
    & skf18("2","2","2","4","8","8","1") = "7"
    & skf18("2","2","2","4","8","9","1") = "8"
    & skf18("2","2","2","4","8","10","1") = "9"
    & skf18("2","2","2","4","9","1","1") = "8"
    & skf18("2","2","2","4","9","2","1") = "8"
    & skf18("2","2","2","4","9","3","1") = "8"
    & skf18("2","2","2","4","9","4","1") = "8"
    & skf18("2","2","2","4","9","5","1") = "8"
    & skf18("2","2","2","4","9","6","1") = "8"
    & skf18("2","2","2","4","9","7","1") = "8"
    & skf18("2","2","2","4","9","8","1") = "8"
    & skf18("2","2","2","4","9","9","1") = "8"
    & skf18("2","2","2","4","9","10","1") = "9"
    & skf18("2","2","2","4","10","1","1") = "9"
    & skf18("2","2","2","4","10","2","1") = "9"
    & skf18("2","2","2","4","10","3","1") = "9"
    & skf18("2","2","2","4","10","4","1") = "9"
    & skf18("2","2","2","4","10","5","1") = "9"
    & skf18("2","2","2","4","10","6","1") = "9"
    & skf18("2","2","2","4","10","7","1") = "9"
    & skf18("2","2","2","4","10","8","1") = "9"
    & skf18("2","2","2","4","10","9","1") = "9"
    & skf18("2","2","2","4","10","10","1") = "9"
    & skf18("2","2","2","5","1","1","1") = "4"
    & skf18("2","2","2","5","1","2","1") = "4"
    & skf18("2","2","2","5","1","3","1") = "4"
    & skf18("2","2","2","5","1","4","1") = "4"
    & skf18("2","2","2","5","1","5","1") = "4"
    & skf18("2","2","2","5","1","6","1") = "5"
    & skf18("2","2","2","5","1","7","1") = "6"
    & skf18("2","2","2","5","1","8","1") = "7"
    & skf18("2","2","2","5","1","9","1") = "8"
    & skf18("2","2","2","5","1","10","1") = "9"
    & skf18("2","2","2","5","2","1","1") = "4"
    & skf18("2","2","2","5","2","2","1") = "4"
    & skf18("2","2","2","5","2","3","1") = "4"
    & skf18("2","2","2","5","2","4","1") = "4"
    & skf18("2","2","2","5","2","5","1") = "4"
    & skf18("2","2","2","5","2","6","1") = "5"
    & skf18("2","2","2","5","2","7","1") = "6"
    & skf18("2","2","2","5","2","8","1") = "7"
    & skf18("2","2","2","5","2","9","1") = "8"
    & skf18("2","2","2","5","2","10","1") = "9"
    & skf18("2","2","2","5","3","1","1") = "4"
    & skf18("2","2","2","5","3","2","1") = "4"
    & skf18("2","2","2","5","3","3","1") = "4"
    & skf18("2","2","2","5","3","4","1") = "4"
    & skf18("2","2","2","5","3","5","1") = "4"
    & skf18("2","2","2","5","3","6","1") = "5"
    & skf18("2","2","2","5","3","7","1") = "6"
    & skf18("2","2","2","5","3","8","1") = "7"
    & skf18("2","2","2","5","3","9","1") = "8"
    & skf18("2","2","2","5","3","10","1") = "9"
    & skf18("2","2","2","5","4","1","1") = "4"
    & skf18("2","2","2","5","4","2","1") = "4"
    & skf18("2","2","2","5","4","3","1") = "4"
    & skf18("2","2","2","5","4","4","1") = "4"
    & skf18("2","2","2","5","4","5","1") = "4"
    & skf18("2","2","2","5","4","6","1") = "5"
    & skf18("2","2","2","5","4","7","1") = "6"
    & skf18("2","2","2","5","4","8","1") = "7"
    & skf18("2","2","2","5","4","9","1") = "8"
    & skf18("2","2","2","5","4","10","1") = "9"
    & skf18("2","2","2","5","5","1","1") = "4"
    & skf18("2","2","2","5","5","2","1") = "4"
    & skf18("2","2","2","5","5","3","1") = "4"
    & skf18("2","2","2","5","5","4","1") = "4"
    & skf18("2","2","2","5","5","5","1") = "4"
    & skf18("2","2","2","5","5","6","1") = "5"
    & skf18("2","2","2","5","5","7","1") = "6"
    & skf18("2","2","2","5","5","8","1") = "7"
    & skf18("2","2","2","5","5","9","1") = "8"
    & skf18("2","2","2","5","5","10","1") = "9"
    & skf18("2","2","2","5","6","1","1") = "5"
    & skf18("2","2","2","5","6","2","1") = "5"
    & skf18("2","2","2","5","6","3","1") = "5"
    & skf18("2","2","2","5","6","4","1") = "5"
    & skf18("2","2","2","5","6","5","1") = "5"
    & skf18("2","2","2","5","6","6","1") = "5"
    & skf18("2","2","2","5","6","7","1") = "6"
    & skf18("2","2","2","5","6","8","1") = "7"
    & skf18("2","2","2","5","6","9","1") = "8"
    & skf18("2","2","2","5","6","10","1") = "9"
    & skf18("2","2","2","5","7","1","1") = "6"
    & skf18("2","2","2","5","7","2","1") = "6"
    & skf18("2","2","2","5","7","3","1") = "6"
    & skf18("2","2","2","5","7","4","1") = "6"
    & skf18("2","2","2","5","7","5","1") = "6"
    & skf18("2","2","2","5","7","6","1") = "6"
    & skf18("2","2","2","5","7","7","1") = "6"
    & skf18("2","2","2","5","7","8","1") = "7"
    & skf18("2","2","2","5","7","9","1") = "8"
    & skf18("2","2","2","5","7","10","1") = "9"
    & skf18("2","2","2","5","8","1","1") = "7"
    & skf18("2","2","2","5","8","2","1") = "7"
    & skf18("2","2","2","5","8","3","1") = "7"
    & skf18("2","2","2","5","8","4","1") = "7"
    & skf18("2","2","2","5","8","5","1") = "7"
    & skf18("2","2","2","5","8","6","1") = "7"
    & skf18("2","2","2","5","8","7","1") = "7"
    & skf18("2","2","2","5","8","8","1") = "7"
    & skf18("2","2","2","5","8","9","1") = "8"
    & skf18("2","2","2","5","8","10","1") = "9"
    & skf18("2","2","2","5","9","1","1") = "8"
    & skf18("2","2","2","5","9","2","1") = "8"
    & skf18("2","2","2","5","9","3","1") = "8"
    & skf18("2","2","2","5","9","4","1") = "8"
    & skf18("2","2","2","5","9","5","1") = "8"
    & skf18("2","2","2","5","9","6","1") = "8"
    & skf18("2","2","2","5","9","7","1") = "8"
    & skf18("2","2","2","5","9","8","1") = "8"
    & skf18("2","2","2","5","9","9","1") = "8"
    & skf18("2","2","2","5","9","10","1") = "9"
    & skf18("2","2","2","5","10","1","1") = "9"
    & skf18("2","2","2","5","10","2","1") = "9"
    & skf18("2","2","2","5","10","3","1") = "9"
    & skf18("2","2","2","5","10","4","1") = "9"
    & skf18("2","2","2","5","10","5","1") = "9"
    & skf18("2","2","2","5","10","6","1") = "9"
    & skf18("2","2","2","5","10","7","1") = "9"
    & skf18("2","2","2","5","10","8","1") = "9"
    & skf18("2","2","2","5","10","9","1") = "9"
    & skf18("2","2","2","5","10","10","1") = "9"
    & skf18("2","2","2","6","1","1","1") = "5"
    & skf18("2","2","2","6","1","2","1") = "5"
    & skf18("2","2","2","6","1","3","1") = "5"
    & skf18("2","2","2","6","1","4","1") = "5"
    & skf18("2","2","2","6","1","5","1") = "5"
    & skf18("2","2","2","6","1","6","1") = "5"
    & skf18("2","2","2","6","1","7","1") = "6"
    & skf18("2","2","2","6","1","8","1") = "7"
    & skf18("2","2","2","6","1","9","1") = "8"
    & skf18("2","2","2","6","1","10","1") = "9"
    & skf18("2","2","2","6","2","1","1") = "5"
    & skf18("2","2","2","6","2","2","1") = "5"
    & skf18("2","2","2","6","2","3","1") = "5"
    & skf18("2","2","2","6","2","4","1") = "5"
    & skf18("2","2","2","6","2","5","1") = "5"
    & skf18("2","2","2","6","2","6","1") = "5"
    & skf18("2","2","2","6","2","7","1") = "6"
    & skf18("2","2","2","6","2","8","1") = "7"
    & skf18("2","2","2","6","2","9","1") = "8"
    & skf18("2","2","2","6","2","10","1") = "9"
    & skf18("2","2","2","6","3","1","1") = "5"
    & skf18("2","2","2","6","3","2","1") = "5"
    & skf18("2","2","2","6","3","3","1") = "5"
    & skf18("2","2","2","6","3","4","1") = "5"
    & skf18("2","2","2","6","3","5","1") = "5"
    & skf18("2","2","2","6","3","6","1") = "5"
    & skf18("2","2","2","6","3","7","1") = "6"
    & skf18("2","2","2","6","3","8","1") = "7"
    & skf18("2","2","2","6","3","9","1") = "8"
    & skf18("2","2","2","6","3","10","1") = "9"
    & skf18("2","2","2","6","4","1","1") = "5"
    & skf18("2","2","2","6","4","2","1") = "5"
    & skf18("2","2","2","6","4","3","1") = "5"
    & skf18("2","2","2","6","4","4","1") = "5"
    & skf18("2","2","2","6","4","5","1") = "5"
    & skf18("2","2","2","6","4","6","1") = "5"
    & skf18("2","2","2","6","4","7","1") = "6"
    & skf18("2","2","2","6","4","8","1") = "7"
    & skf18("2","2","2","6","4","9","1") = "8"
    & skf18("2","2","2","6","4","10","1") = "9"
    & skf18("2","2","2","6","5","1","1") = "5"
    & skf18("2","2","2","6","5","2","1") = "5"
    & skf18("2","2","2","6","5","3","1") = "5"
    & skf18("2","2","2","6","5","4","1") = "5"
    & skf18("2","2","2","6","5","5","1") = "5"
    & skf18("2","2","2","6","5","6","1") = "5"
    & skf18("2","2","2","6","5","7","1") = "6"
    & skf18("2","2","2","6","5","8","1") = "7"
    & skf18("2","2","2","6","5","9","1") = "8"
    & skf18("2","2","2","6","5","10","1") = "9"
    & skf18("2","2","2","6","6","1","1") = "5"
    & skf18("2","2","2","6","6","2","1") = "5"
    & skf18("2","2","2","6","6","3","1") = "5"
    & skf18("2","2","2","6","6","4","1") = "5"
    & skf18("2","2","2","6","6","5","1") = "5"
    & skf18("2","2","2","6","6","6","1") = "5"
    & skf18("2","2","2","6","6","7","1") = "6"
    & skf18("2","2","2","6","6","8","1") = "7"
    & skf18("2","2","2","6","6","9","1") = "8"
    & skf18("2","2","2","6","6","10","1") = "9"
    & skf18("2","2","2","6","7","1","1") = "6"
    & skf18("2","2","2","6","7","2","1") = "6"
    & skf18("2","2","2","6","7","3","1") = "6"
    & skf18("2","2","2","6","7","4","1") = "6"
    & skf18("2","2","2","6","7","5","1") = "6"
    & skf18("2","2","2","6","7","6","1") = "6"
    & skf18("2","2","2","6","7","7","1") = "6"
    & skf18("2","2","2","6","7","8","1") = "7"
    & skf18("2","2","2","6","7","9","1") = "8"
    & skf18("2","2","2","6","7","10","1") = "9"
    & skf18("2","2","2","6","8","1","1") = "7"
    & skf18("2","2","2","6","8","2","1") = "7"
    & skf18("2","2","2","6","8","3","1") = "7"
    & skf18("2","2","2","6","8","4","1") = "7"
    & skf18("2","2","2","6","8","5","1") = "7"
    & skf18("2","2","2","6","8","6","1") = "7"
    & skf18("2","2","2","6","8","7","1") = "7"
    & skf18("2","2","2","6","8","8","1") = "7"
    & skf18("2","2","2","6","8","9","1") = "8"
    & skf18("2","2","2","6","8","10","1") = "9"
    & skf18("2","2","2","6","9","1","1") = "8"
    & skf18("2","2","2","6","9","2","1") = "8"
    & skf18("2","2","2","6","9","3","1") = "8"
    & skf18("2","2","2","6","9","4","1") = "8"
    & skf18("2","2","2","6","9","5","1") = "8"
    & skf18("2","2","2","6","9","6","1") = "8"
    & skf18("2","2","2","6","9","7","1") = "8"
    & skf18("2","2","2","6","9","8","1") = "8"
    & skf18("2","2","2","6","9","9","1") = "8"
    & skf18("2","2","2","6","9","10","1") = "9"
    & skf18("2","2","2","6","10","1","1") = "9"
    & skf18("2","2","2","6","10","2","1") = "9"
    & skf18("2","2","2","6","10","3","1") = "9"
    & skf18("2","2","2","6","10","4","1") = "9"
    & skf18("2","2","2","6","10","5","1") = "9"
    & skf18("2","2","2","6","10","6","1") = "9"
    & skf18("2","2","2","6","10","7","1") = "9"
    & skf18("2","2","2","6","10","8","1") = "9"
    & skf18("2","2","2","6","10","9","1") = "9"
    & skf18("2","2","2","6","10","10","1") = "9"
    & skf18("2","2","2","7","1","1","1") = "6"
    & skf18("2","2","2","7","1","2","1") = "6"
    & skf18("2","2","2","7","1","3","1") = "6"
    & skf18("2","2","2","7","1","4","1") = "6"
    & skf18("2","2","2","7","1","5","1") = "6"
    & skf18("2","2","2","7","1","6","1") = "6"
    & skf18("2","2","2","7","1","7","1") = "6"
    & skf18("2","2","2","7","1","8","1") = "7"
    & skf18("2","2","2","7","1","9","1") = "8"
    & skf18("2","2","2","7","1","10","1") = "9"
    & skf18("2","2","2","7","2","1","1") = "6"
    & skf18("2","2","2","7","2","2","1") = "6"
    & skf18("2","2","2","7","2","3","1") = "6"
    & skf18("2","2","2","7","2","4","1") = "6"
    & skf18("2","2","2","7","2","5","1") = "6"
    & skf18("2","2","2","7","2","6","1") = "6"
    & skf18("2","2","2","7","2","7","1") = "6"
    & skf18("2","2","2","7","2","8","1") = "7"
    & skf18("2","2","2","7","2","9","1") = "8"
    & skf18("2","2","2","7","2","10","1") = "9"
    & skf18("2","2","2","7","3","1","1") = "6"
    & skf18("2","2","2","7","3","2","1") = "6"
    & skf18("2","2","2","7","3","3","1") = "6"
    & skf18("2","2","2","7","3","4","1") = "6"
    & skf18("2","2","2","7","3","5","1") = "6"
    & skf18("2","2","2","7","3","6","1") = "6"
    & skf18("2","2","2","7","3","7","1") = "6"
    & skf18("2","2","2","7","3","8","1") = "7"
    & skf18("2","2","2","7","3","9","1") = "8"
    & skf18("2","2","2","7","3","10","1") = "9"
    & skf18("2","2","2","7","4","1","1") = "6"
    & skf18("2","2","2","7","4","2","1") = "6"
    & skf18("2","2","2","7","4","3","1") = "6"
    & skf18("2","2","2","7","4","4","1") = "6"
    & skf18("2","2","2","7","4","5","1") = "6"
    & skf18("2","2","2","7","4","6","1") = "6"
    & skf18("2","2","2","7","4","7","1") = "6"
    & skf18("2","2","2","7","4","8","1") = "7"
    & skf18("2","2","2","7","4","9","1") = "8"
    & skf18("2","2","2","7","4","10","1") = "9"
    & skf18("2","2","2","7","5","1","1") = "6"
    & skf18("2","2","2","7","5","2","1") = "6"
    & skf18("2","2","2","7","5","3","1") = "6"
    & skf18("2","2","2","7","5","4","1") = "6"
    & skf18("2","2","2","7","5","5","1") = "6"
    & skf18("2","2","2","7","5","6","1") = "6"
    & skf18("2","2","2","7","5","7","1") = "6"
    & skf18("2","2","2","7","5","8","1") = "7"
    & skf18("2","2","2","7","5","9","1") = "8"
    & skf18("2","2","2","7","5","10","1") = "9"
    & skf18("2","2","2","7","6","1","1") = "6"
    & skf18("2","2","2","7","6","2","1") = "6"
    & skf18("2","2","2","7","6","3","1") = "6"
    & skf18("2","2","2","7","6","4","1") = "6"
    & skf18("2","2","2","7","6","5","1") = "6"
    & skf18("2","2","2","7","6","6","1") = "6"
    & skf18("2","2","2","7","6","7","1") = "6"
    & skf18("2","2","2","7","6","8","1") = "7"
    & skf18("2","2","2","7","6","9","1") = "8"
    & skf18("2","2","2","7","6","10","1") = "9"
    & skf18("2","2","2","7","7","1","1") = "6"
    & skf18("2","2","2","7","7","2","1") = "6"
    & skf18("2","2","2","7","7","3","1") = "6"
    & skf18("2","2","2","7","7","4","1") = "6"
    & skf18("2","2","2","7","7","5","1") = "6"
    & skf18("2","2","2","7","7","6","1") = "6"
    & skf18("2","2","2","7","7","7","1") = "6"
    & skf18("2","2","2","7","7","8","1") = "7"
    & skf18("2","2","2","7","7","9","1") = "8"
    & skf18("2","2","2","7","7","10","1") = "9"
    & skf18("2","2","2","7","8","1","1") = "7"
    & skf18("2","2","2","7","8","2","1") = "7"
    & skf18("2","2","2","7","8","3","1") = "7"
    & skf18("2","2","2","7","8","4","1") = "7"
    & skf18("2","2","2","7","8","5","1") = "7"
    & skf18("2","2","2","7","8","6","1") = "7"
    & skf18("2","2","2","7","8","7","1") = "7"
    & skf18("2","2","2","7","8","8","1") = "7"
    & skf18("2","2","2","7","8","9","1") = "8"
    & skf18("2","2","2","7","8","10","1") = "9"
    & skf18("2","2","2","7","9","1","1") = "8"
    & skf18("2","2","2","7","9","2","1") = "8"
    & skf18("2","2","2","7","9","3","1") = "8"
    & skf18("2","2","2","7","9","4","1") = "8"
    & skf18("2","2","2","7","9","5","1") = "8"
    & skf18("2","2","2","7","9","6","1") = "8"
    & skf18("2","2","2","7","9","7","1") = "8"
    & skf18("2","2","2","7","9","8","1") = "8"
    & skf18("2","2","2","7","9","9","1") = "8"
    & skf18("2","2","2","7","9","10","1") = "9"
    & skf18("2","2","2","7","10","1","1") = "9"
    & skf18("2","2","2","7","10","2","1") = "9"
    & skf18("2","2","2","7","10","3","1") = "9"
    & skf18("2","2","2","7","10","4","1") = "9"
    & skf18("2","2","2","7","10","5","1") = "9"
    & skf18("2","2","2","7","10","6","1") = "9"
    & skf18("2","2","2","7","10","7","1") = "9"
    & skf18("2","2","2","7","10","8","1") = "9"
    & skf18("2","2","2","7","10","9","1") = "9"
    & skf18("2","2","2","7","10","10","1") = "9"
    & skf18("2","2","2","8","1","1","1") = "7"
    & skf18("2","2","2","8","1","2","1") = "7"
    & skf18("2","2","2","8","1","3","1") = "7"
    & skf18("2","2","2","8","1","4","1") = "7"
    & skf18("2","2","2","8","1","5","1") = "7"
    & skf18("2","2","2","8","1","6","1") = "7"
    & skf18("2","2","2","8","1","7","1") = "7"
    & skf18("2","2","2","8","1","8","1") = "7"
    & skf18("2","2","2","8","1","9","1") = "8"
    & skf18("2","2","2","8","1","10","1") = "9"
    & skf18("2","2","2","8","2","1","1") = "7"
    & skf18("2","2","2","8","2","2","1") = "7"
    & skf18("2","2","2","8","2","3","1") = "7"
    & skf18("2","2","2","8","2","4","1") = "7"
    & skf18("2","2","2","8","2","5","1") = "7"
    & skf18("2","2","2","8","2","6","1") = "7"
    & skf18("2","2","2","8","2","7","1") = "7"
    & skf18("2","2","2","8","2","8","1") = "7"
    & skf18("2","2","2","8","2","9","1") = "8"
    & skf18("2","2","2","8","2","10","1") = "9"
    & skf18("2","2","2","8","3","1","1") = "7"
    & skf18("2","2","2","8","3","2","1") = "7"
    & skf18("2","2","2","8","3","3","1") = "7"
    & skf18("2","2","2","8","3","4","1") = "7"
    & skf18("2","2","2","8","3","5","1") = "7"
    & skf18("2","2","2","8","3","6","1") = "7"
    & skf18("2","2","2","8","3","7","1") = "7"
    & skf18("2","2","2","8","3","8","1") = "7"
    & skf18("2","2","2","8","3","9","1") = "8"
    & skf18("2","2","2","8","3","10","1") = "9"
    & skf18("2","2","2","8","4","1","1") = "7"
    & skf18("2","2","2","8","4","2","1") = "7"
    & skf18("2","2","2","8","4","3","1") = "7"
    & skf18("2","2","2","8","4","4","1") = "7"
    & skf18("2","2","2","8","4","5","1") = "7"
    & skf18("2","2","2","8","4","6","1") = "7"
    & skf18("2","2","2","8","4","7","1") = "7"
    & skf18("2","2","2","8","4","8","1") = "7"
    & skf18("2","2","2","8","4","9","1") = "8"
    & skf18("2","2","2","8","4","10","1") = "9"
    & skf18("2","2","2","8","5","1","1") = "7"
    & skf18("2","2","2","8","5","2","1") = "7"
    & skf18("2","2","2","8","5","3","1") = "7"
    & skf18("2","2","2","8","5","4","1") = "7"
    & skf18("2","2","2","8","5","5","1") = "7"
    & skf18("2","2","2","8","5","6","1") = "7"
    & skf18("2","2","2","8","5","7","1") = "7"
    & skf18("2","2","2","8","5","8","1") = "7"
    & skf18("2","2","2","8","5","9","1") = "8"
    & skf18("2","2","2","8","5","10","1") = "9"
    & skf18("2","2","2","8","6","1","1") = "7"
    & skf18("2","2","2","8","6","2","1") = "7"
    & skf18("2","2","2","8","6","3","1") = "7"
    & skf18("2","2","2","8","6","4","1") = "7"
    & skf18("2","2","2","8","6","5","1") = "7"
    & skf18("2","2","2","8","6","6","1") = "7"
    & skf18("2","2","2","8","6","7","1") = "7"
    & skf18("2","2","2","8","6","8","1") = "7"
    & skf18("2","2","2","8","6","9","1") = "8"
    & skf18("2","2","2","8","6","10","1") = "9"
    & skf18("2","2","2","8","7","1","1") = "7"
    & skf18("2","2","2","8","7","2","1") = "7"
    & skf18("2","2","2","8","7","3","1") = "7"
    & skf18("2","2","2","8","7","4","1") = "7"
    & skf18("2","2","2","8","7","5","1") = "7"
    & skf18("2","2","2","8","7","6","1") = "7"
    & skf18("2","2","2","8","7","7","1") = "7"
    & skf18("2","2","2","8","7","8","1") = "7"
    & skf18("2","2","2","8","7","9","1") = "8"
    & skf18("2","2","2","8","7","10","1") = "9"
    & skf18("2","2","2","8","8","1","1") = "7"
    & skf18("2","2","2","8","8","2","1") = "7"
    & skf18("2","2","2","8","8","3","1") = "7"
    & skf18("2","2","2","8","8","4","1") = "7"
    & skf18("2","2","2","8","8","5","1") = "7"
    & skf18("2","2","2","8","8","6","1") = "7"
    & skf18("2","2","2","8","8","7","1") = "7"
    & skf18("2","2","2","8","8","8","1") = "7"
    & skf18("2","2","2","8","8","9","1") = "8"
    & skf18("2","2","2","8","8","10","1") = "9"
    & skf18("2","2","2","8","9","1","1") = "8"
    & skf18("2","2","2","8","9","2","1") = "8"
    & skf18("2","2","2","8","9","3","1") = "8"
    & skf18("2","2","2","8","9","4","1") = "8"
    & skf18("2","2","2","8","9","5","1") = "8"
    & skf18("2","2","2","8","9","6","1") = "8"
    & skf18("2","2","2","8","9","7","1") = "8"
    & skf18("2","2","2","8","9","8","1") = "8"
    & skf18("2","2","2","8","9","9","1") = "8"
    & skf18("2","2","2","8","9","10","1") = "9"
    & skf18("2","2","2","8","10","1","1") = "9"
    & skf18("2","2","2","8","10","2","1") = "9"
    & skf18("2","2","2","8","10","3","1") = "9"
    & skf18("2","2","2","8","10","4","1") = "9"
    & skf18("2","2","2","8","10","5","1") = "9"
    & skf18("2","2","2","8","10","6","1") = "9"
    & skf18("2","2","2","8","10","7","1") = "9"
    & skf18("2","2","2","8","10","8","1") = "9"
    & skf18("2","2","2","8","10","9","1") = "9"
    & skf18("2","2","2","8","10","10","1") = "9"
    & skf18("2","2","2","9","1","1","1") = "8"
    & skf18("2","2","2","9","1","2","1") = "8"
    & skf18("2","2","2","9","1","3","1") = "8"
    & skf18("2","2","2","9","1","4","1") = "8"
    & skf18("2","2","2","9","1","5","1") = "8"
    & skf18("2","2","2","9","1","6","1") = "8"
    & skf18("2","2","2","9","1","7","1") = "8"
    & skf18("2","2","2","9","1","8","1") = "8"
    & skf18("2","2","2","9","1","9","1") = "8"
    & skf18("2","2","2","9","1","10","1") = "9"
    & skf18("2","2","2","9","2","1","1") = "8"
    & skf18("2","2","2","9","2","2","1") = "8"
    & skf18("2","2","2","9","2","3","1") = "8"
    & skf18("2","2","2","9","2","4","1") = "8"
    & skf18("2","2","2","9","2","5","1") = "8"
    & skf18("2","2","2","9","2","6","1") = "8"
    & skf18("2","2","2","9","2","7","1") = "8"
    & skf18("2","2","2","9","2","8","1") = "8"
    & skf18("2","2","2","9","2","9","1") = "8"
    & skf18("2","2","2","9","2","10","1") = "9"
    & skf18("2","2","2","9","3","1","1") = "8"
    & skf18("2","2","2","9","3","2","1") = "8"
    & skf18("2","2","2","9","3","3","1") = "8"
    & skf18("2","2","2","9","3","4","1") = "8"
    & skf18("2","2","2","9","3","5","1") = "8"
    & skf18("2","2","2","9","3","6","1") = "8"
    & skf18("2","2","2","9","3","7","1") = "8"
    & skf18("2","2","2","9","3","8","1") = "8"
    & skf18("2","2","2","9","3","9","1") = "8"
    & skf18("2","2","2","9","3","10","1") = "9"
    & skf18("2","2","2","9","4","1","1") = "8"
    & skf18("2","2","2","9","4","2","1") = "8"
    & skf18("2","2","2","9","4","3","1") = "8"
    & skf18("2","2","2","9","4","4","1") = "8"
    & skf18("2","2","2","9","4","5","1") = "8"
    & skf18("2","2","2","9","4","6","1") = "8"
    & skf18("2","2","2","9","4","7","1") = "8"
    & skf18("2","2","2","9","4","8","1") = "8"
    & skf18("2","2","2","9","4","9","1") = "8"
    & skf18("2","2","2","9","4","10","1") = "9"
    & skf18("2","2","2","9","5","1","1") = "8"
    & skf18("2","2","2","9","5","2","1") = "8"
    & skf18("2","2","2","9","5","3","1") = "8"
    & skf18("2","2","2","9","5","4","1") = "8"
    & skf18("2","2","2","9","5","5","1") = "8"
    & skf18("2","2","2","9","5","6","1") = "8"
    & skf18("2","2","2","9","5","7","1") = "8"
    & skf18("2","2","2","9","5","8","1") = "8"
    & skf18("2","2","2","9","5","9","1") = "8"
    & skf18("2","2","2","9","5","10","1") = "9"
    & skf18("2","2","2","9","6","1","1") = "8"
    & skf18("2","2","2","9","6","2","1") = "8"
    & skf18("2","2","2","9","6","3","1") = "8"
    & skf18("2","2","2","9","6","4","1") = "8"
    & skf18("2","2","2","9","6","5","1") = "8"
    & skf18("2","2","2","9","6","6","1") = "8"
    & skf18("2","2","2","9","6","7","1") = "8"
    & skf18("2","2","2","9","6","8","1") = "8"
    & skf18("2","2","2","9","6","9","1") = "8"
    & skf18("2","2","2","9","6","10","1") = "9"
    & skf18("2","2","2","9","7","1","1") = "8"
    & skf18("2","2","2","9","7","2","1") = "8"
    & skf18("2","2","2","9","7","3","1") = "8"
    & skf18("2","2","2","9","7","4","1") = "8"
    & skf18("2","2","2","9","7","5","1") = "8"
    & skf18("2","2","2","9","7","6","1") = "8"
    & skf18("2","2","2","9","7","7","1") = "8"
    & skf18("2","2","2","9","7","8","1") = "8"
    & skf18("2","2","2","9","7","9","1") = "8"
    & skf18("2","2","2","9","7","10","1") = "9"
    & skf18("2","2","2","9","8","1","1") = "8"
    & skf18("2","2","2","9","8","2","1") = "8"
    & skf18("2","2","2","9","8","3","1") = "8"
    & skf18("2","2","2","9","8","4","1") = "8"
    & skf18("2","2","2","9","8","5","1") = "8"
    & skf18("2","2","2","9","8","6","1") = "8"
    & skf18("2","2","2","9","8","7","1") = "8"
    & skf18("2","2","2","9","8","8","1") = "8"
    & skf18("2","2","2","9","8","9","1") = "8"
    & skf18("2","2","2","9","8","10","1") = "9"
    & skf18("2","2","2","9","9","1","1") = "8"
    & skf18("2","2","2","9","9","2","1") = "8"
    & skf18("2","2","2","9","9","3","1") = "8"
    & skf18("2","2","2","9","9","4","1") = "8"
    & skf18("2","2","2","9","9","5","1") = "8"
    & skf18("2","2","2","9","9","6","1") = "8"
    & skf18("2","2","2","9","9","7","1") = "8"
    & skf18("2","2","2","9","9","8","1") = "8"
    & skf18("2","2","2","9","9","9","1") = "8"
    & skf18("2","2","2","9","9","10","1") = "9"
    & skf18("2","2","2","9","10","1","1") = "9"
    & skf18("2","2","2","9","10","2","1") = "9"
    & skf18("2","2","2","9","10","3","1") = "9"
    & skf18("2","2","2","9","10","4","1") = "9"
    & skf18("2","2","2","9","10","5","1") = "9"
    & skf18("2","2","2","9","10","6","1") = "9"
    & skf18("2","2","2","9","10","7","1") = "9"
    & skf18("2","2","2","9","10","8","1") = "9"
    & skf18("2","2","2","9","10","9","1") = "9"
    & skf18("2","2","2","9","10","10","1") = "9"
    & skf18("2","2","2","10","1","1","1") = "9"
    & skf18("2","2","2","10","1","2","1") = "9"
    & skf18("2","2","2","10","1","3","1") = "9"
    & skf18("2","2","2","10","1","4","1") = "9"
    & skf18("2","2","2","10","1","5","1") = "9"
    & skf18("2","2","2","10","1","6","1") = "9"
    & skf18("2","2","2","10","1","7","1") = "9"
    & skf18("2","2","2","10","1","8","1") = "9"
    & skf18("2","2","2","10","1","9","1") = "9"
    & skf18("2","2","2","10","1","10","1") = "9"
    & skf18("2","2","2","10","2","1","1") = "9"
    & skf18("2","2","2","10","2","2","1") = "9"
    & skf18("2","2","2","10","2","3","1") = "9"
    & skf18("2","2","2","10","2","4","1") = "9"
    & skf18("2","2","2","10","2","5","1") = "9"
    & skf18("2","2","2","10","2","6","1") = "9"
    & skf18("2","2","2","10","2","7","1") = "9"
    & skf18("2","2","2","10","2","8","1") = "9"
    & skf18("2","2","2","10","2","9","1") = "9"
    & skf18("2","2","2","10","2","10","1") = "9"
    & skf18("2","2","2","10","3","1","1") = "9"
    & skf18("2","2","2","10","3","2","1") = "9"
    & skf18("2","2","2","10","3","3","1") = "9"
    & skf18("2","2","2","10","3","4","1") = "9"
    & skf18("2","2","2","10","3","5","1") = "9"
    & skf18("2","2","2","10","3","6","1") = "9"
    & skf18("2","2","2","10","3","7","1") = "9"
    & skf18("2","2","2","10","3","8","1") = "9"
    & skf18("2","2","2","10","3","9","1") = "9"
    & skf18("2","2","2","10","3","10","1") = "9"
    & skf18("2","2","2","10","4","1","1") = "9"
    & skf18("2","2","2","10","4","2","1") = "9"
    & skf18("2","2","2","10","4","3","1") = "9"
    & skf18("2","2","2","10","4","4","1") = "9"
    & skf18("2","2","2","10","4","5","1") = "9"
    & skf18("2","2","2","10","4","6","1") = "9"
    & skf18("2","2","2","10","4","7","1") = "9"
    & skf18("2","2","2","10","4","8","1") = "9"
    & skf18("2","2","2","10","4","9","1") = "9"
    & skf18("2","2","2","10","4","10","1") = "9"
    & skf18("2","2","2","10","5","1","1") = "9"
    & skf18("2","2","2","10","5","2","1") = "9"
    & skf18("2","2","2","10","5","3","1") = "9"
    & skf18("2","2","2","10","5","4","1") = "9"
    & skf18("2","2","2","10","5","5","1") = "9"
    & skf18("2","2","2","10","5","6","1") = "9"
    & skf18("2","2","2","10","5","7","1") = "9"
    & skf18("2","2","2","10","5","8","1") = "9"
    & skf18("2","2","2","10","5","9","1") = "9"
    & skf18("2","2","2","10","5","10","1") = "9"
    & skf18("2","2","2","10","6","1","1") = "9"
    & skf18("2","2","2","10","6","2","1") = "9"
    & skf18("2","2","2","10","6","3","1") = "9"
    & skf18("2","2","2","10","6","4","1") = "9"
    & skf18("2","2","2","10","6","5","1") = "9"
    & skf18("2","2","2","10","6","6","1") = "9"
    & skf18("2","2","2","10","6","7","1") = "9"
    & skf18("2","2","2","10","6","8","1") = "9"
    & skf18("2","2","2","10","6","9","1") = "9"
    & skf18("2","2","2","10","6","10","1") = "9"
    & skf18("2","2","2","10","7","1","1") = "9"
    & skf18("2","2","2","10","7","2","1") = "9"
    & skf18("2","2","2","10","7","3","1") = "9"
    & skf18("2","2","2","10","7","4","1") = "9"
    & skf18("2","2","2","10","7","5","1") = "9"
    & skf18("2","2","2","10","7","6","1") = "9"
    & skf18("2","2","2","10","7","7","1") = "9"
    & skf18("2","2","2","10","7","8","1") = "9"
    & skf18("2","2","2","10","7","9","1") = "9"
    & skf18("2","2","2","10","7","10","1") = "9"
    & skf18("2","2","2","10","8","1","1") = "9"
    & skf18("2","2","2","10","8","2","1") = "9"
    & skf18("2","2","2","10","8","3","1") = "9"
    & skf18("2","2","2","10","8","4","1") = "9"
    & skf18("2","2","2","10","8","5","1") = "9"
    & skf18("2","2","2","10","8","6","1") = "9"
    & skf18("2","2","2","10","8","7","1") = "9"
    & skf18("2","2","2","10","8","8","1") = "9"
    & skf18("2","2","2","10","8","9","1") = "9"
    & skf18("2","2","2","10","8","10","1") = "9"
    & skf18("2","2","2","10","9","1","1") = "9"
    & skf18("2","2","2","10","9","2","1") = "9"
    & skf18("2","2","2","10","9","3","1") = "9"
    & skf18("2","2","2","10","9","4","1") = "9"
    & skf18("2","2","2","10","9","5","1") = "9"
    & skf18("2","2","2","10","9","6","1") = "9"
    & skf18("2","2","2","10","9","7","1") = "9"
    & skf18("2","2","2","10","9","8","1") = "9"
    & skf18("2","2","2","10","9","9","1") = "9"
    & skf18("2","2","2","10","9","10","1") = "9"
    & skf18("2","2","2","10","10","1","1") = "9"
    & skf18("2","2","2","10","10","2","1") = "9"
    & skf18("2","2","2","10","10","3","1") = "9"
    & skf18("2","2","2","10","10","4","1") = "9"
    & skf18("2","2","2","10","10","5","1") = "9"
    & skf18("2","2","2","10","10","6","1") = "9"
    & skf18("2","2","2","10","10","7","1") = "9"
    & skf18("2","2","2","10","10","8","1") = "9"
    & skf18("2","2","2","10","10","9","1") = "9"
    & skf18("2","2","2","10","10","10","1") = "9"
    & skf18("2","2","3","1","1","1","1") = "2"
    & skf18("2","2","3","1","1","2","1") = "2"
    & skf18("2","2","3","1","1","3","1") = "2"
    & skf18("2","2","3","1","1","4","1") = "3"
    & skf18("2","2","3","1","1","5","1") = "4"
    & skf18("2","2","3","1","1","6","1") = "5"
    & skf18("2","2","3","1","1","7","1") = "6"
    & skf18("2","2","3","1","1","8","1") = "7"
    & skf18("2","2","3","1","1","9","1") = "8"
    & skf18("2","2","3","1","1","10","1") = "9"
    & skf18("2","2","3","1","2","1","1") = "2"
    & skf18("2","2","3","1","2","2","1") = "2"
    & skf18("2","2","3","1","2","3","1") = "2"
    & skf18("2","2","3","1","2","4","1") = "3"
    & skf18("2","2","3","1","2","5","1") = "4"
    & skf18("2","2","3","1","2","6","1") = "5"
    & skf18("2","2","3","1","2","7","1") = "6"
    & skf18("2","2","3","1","2","8","1") = "7"
    & skf18("2","2","3","1","2","9","1") = "8"
    & skf18("2","2","3","1","2","10","1") = "9"
    & skf18("2","2","3","1","3","1","1") = "2"
    & skf18("2","2","3","1","3","2","1") = "2"
    & skf18("2","2","3","1","3","3","1") = "2"
    & skf18("2","2","3","1","3","4","1") = "3"
    & skf18("2","2","3","1","3","5","1") = "4"
    & skf18("2","2","3","1","3","6","1") = "5"
    & skf18("2","2","3","1","3","7","1") = "6"
    & skf18("2","2","3","1","3","8","1") = "7"
    & skf18("2","2","3","1","3","9","1") = "8"
    & skf18("2","2","3","1","3","10","1") = "9"
    & skf18("2","2","3","1","4","1","1") = "3"
    & skf18("2","2","3","1","4","2","1") = "3"
    & skf18("2","2","3","1","4","3","1") = "3"
    & skf18("2","2","3","1","4","4","1") = "3"
    & skf18("2","2","3","1","4","5","1") = "4"
    & skf18("2","2","3","1","4","6","1") = "5"
    & skf18("2","2","3","1","4","7","1") = "6"
    & skf18("2","2","3","1","4","8","1") = "7"
    & skf18("2","2","3","1","4","9","1") = "8"
    & skf18("2","2","3","1","4","10","1") = "9"
    & skf18("2","2","3","1","5","1","1") = "4"
    & skf18("2","2","3","1","5","2","1") = "4"
    & skf18("2","2","3","1","5","3","1") = "4"
    & skf18("2","2","3","1","5","4","1") = "4"
    & skf18("2","2","3","1","5","5","1") = "4"
    & skf18("2","2","3","1","5","6","1") = "5"
    & skf18("2","2","3","1","5","7","1") = "6"
    & skf18("2","2","3","1","5","8","1") = "7"
    & skf18("2","2","3","1","5","9","1") = "8"
    & skf18("2","2","3","1","5","10","1") = "9"
    & skf18("2","2","3","1","6","1","1") = "5"
    & skf18("2","2","3","1","6","2","1") = "5"
    & skf18("2","2","3","1","6","3","1") = "5"
    & skf18("2","2","3","1","6","4","1") = "5"
    & skf18("2","2","3","1","6","5","1") = "5"
    & skf18("2","2","3","1","6","6","1") = "5"
    & skf18("2","2","3","1","6","7","1") = "6"
    & skf18("2","2","3","1","6","8","1") = "7"
    & skf18("2","2","3","1","6","9","1") = "8"
    & skf18("2","2","3","1","6","10","1") = "9"
    & skf18("2","2","3","1","7","1","1") = "6"
    & skf18("2","2","3","1","7","2","1") = "6"
    & skf18("2","2","3","1","7","3","1") = "6"
    & skf18("2","2","3","1","7","4","1") = "6"
    & skf18("2","2","3","1","7","5","1") = "6"
    & skf18("2","2","3","1","7","6","1") = "6"
    & skf18("2","2","3","1","7","7","1") = "6"
    & skf18("2","2","3","1","7","8","1") = "7"
    & skf18("2","2","3","1","7","9","1") = "8"
    & skf18("2","2","3","1","7","10","1") = "9"
    & skf18("2","2","3","1","8","1","1") = "7"
    & skf18("2","2","3","1","8","2","1") = "7"
    & skf18("2","2","3","1","8","3","1") = "7"
    & skf18("2","2","3","1","8","4","1") = "7"
    & skf18("2","2","3","1","8","5","1") = "7"
    & skf18("2","2","3","1","8","6","1") = "7"
    & skf18("2","2","3","1","8","7","1") = "7"
    & skf18("2","2","3","1","8","8","1") = "7"
    & skf18("2","2","3","1","8","9","1") = "8"
    & skf18("2","2","3","1","8","10","1") = "9"
    & skf18("2","2","3","1","9","1","1") = "8"
    & skf18("2","2","3","1","9","2","1") = "8"
    & skf18("2","2","3","1","9","3","1") = "8"
    & skf18("2","2","3","1","9","4","1") = "8"
    & skf18("2","2","3","1","9","5","1") = "8"
    & skf18("2","2","3","1","9","6","1") = "8"
    & skf18("2","2","3","1","9","7","1") = "8"
    & skf18("2","2","3","1","9","8","1") = "8"
    & skf18("2","2","3","1","9","9","1") = "8"
    & skf18("2","2","3","1","9","10","1") = "9"
    & skf18("2","2","3","1","10","1","1") = "9"
    & skf18("2","2","3","1","10","2","1") = "9"
    & skf18("2","2","3","1","10","3","1") = "9"
    & skf18("2","2","3","1","10","4","1") = "9"
    & skf18("2","2","3","1","10","5","1") = "9"
    & skf18("2","2","3","1","10","6","1") = "9"
    & skf18("2","2","3","1","10","7","1") = "9"
    & skf18("2","2","3","1","10","8","1") = "9"
    & skf18("2","2","3","1","10","9","1") = "9"
    & skf18("2","2","3","1","10","10","1") = "9"
    & skf18("2","2","3","2","1","1","1") = "2"
    & skf18("2","2","3","2","1","2","1") = "2"
    & skf18("2","2","3","2","1","3","1") = "2"
    & skf18("2","2","3","2","1","4","1") = "3"
    & skf18("2","2","3","2","1","5","1") = "4"
    & skf18("2","2","3","2","1","6","1") = "5"
    & skf18("2","2","3","2","1","7","1") = "6"
    & skf18("2","2","3","2","1","8","1") = "7"
    & skf18("2","2","3","2","1","9","1") = "8"
    & skf18("2","2","3","2","1","10","1") = "9"
    & skf18("2","2","3","2","2","1","1") = "2"
    & skf18("2","2","3","2","2","2","1") = "2"
    & skf18("2","2","3","2","2","3","1") = "2"
    & skf18("2","2","3","2","2","4","1") = "3"
    & skf18("2","2","3","2","2","5","1") = "4"
    & skf18("2","2","3","2","2","6","1") = "5"
    & skf18("2","2","3","2","2","7","1") = "6"
    & skf18("2","2","3","2","2","8","1") = "7"
    & skf18("2","2","3","2","2","9","1") = "8"
    & skf18("2","2","3","2","2","10","1") = "9"
    & skf18("2","2","3","2","3","1","1") = "2"
    & skf18("2","2","3","2","3","2","1") = "2"
    & skf18("2","2","3","2","3","3","1") = "2"
    & skf18("2","2","3","2","3","4","1") = "3"
    & skf18("2","2","3","2","3","5","1") = "4"
    & skf18("2","2","3","2","3","6","1") = "5"
    & skf18("2","2","3","2","3","7","1") = "6"
    & skf18("2","2","3","2","3","8","1") = "7"
    & skf18("2","2","3","2","3","9","1") = "8"
    & skf18("2","2","3","2","3","10","1") = "9"
    & skf18("2","2","3","2","4","1","1") = "3"
    & skf18("2","2","3","2","4","2","1") = "3"
    & skf18("2","2","3","2","4","3","1") = "3"
    & skf18("2","2","3","2","4","4","1") = "3"
    & skf18("2","2","3","2","4","5","1") = "4"
    & skf18("2","2","3","2","4","6","1") = "5"
    & skf18("2","2","3","2","4","7","1") = "6"
    & skf18("2","2","3","2","4","8","1") = "7"
    & skf18("2","2","3","2","4","9","1") = "8"
    & skf18("2","2","3","2","4","10","1") = "9"
    & skf18("2","2","3","2","5","1","1") = "4"
    & skf18("2","2","3","2","5","2","1") = "4"
    & skf18("2","2","3","2","5","3","1") = "4"
    & skf18("2","2","3","2","5","4","1") = "4"
    & skf18("2","2","3","2","5","5","1") = "4"
    & skf18("2","2","3","2","5","6","1") = "5"
    & skf18("2","2","3","2","5","7","1") = "6"
    & skf18("2","2","3","2","5","8","1") = "7"
    & skf18("2","2","3","2","5","9","1") = "8"
    & skf18("2","2","3","2","5","10","1") = "9"
    & skf18("2","2","3","2","6","1","1") = "5"
    & skf18("2","2","3","2","6","2","1") = "5"
    & skf18("2","2","3","2","6","3","1") = "5"
    & skf18("2","2","3","2","6","4","1") = "5"
    & skf18("2","2","3","2","6","5","1") = "5"
    & skf18("2","2","3","2","6","6","1") = "5"
    & skf18("2","2","3","2","6","7","1") = "6"
    & skf18("2","2","3","2","6","8","1") = "7"
    & skf18("2","2","3","2","6","9","1") = "8"
    & skf18("2","2","3","2","6","10","1") = "9"
    & skf18("2","2","3","2","7","1","1") = "6"
    & skf18("2","2","3","2","7","2","1") = "6"
    & skf18("2","2","3","2","7","3","1") = "6"
    & skf18("2","2","3","2","7","4","1") = "6"
    & skf18("2","2","3","2","7","5","1") = "6"
    & skf18("2","2","3","2","7","6","1") = "6"
    & skf18("2","2","3","2","7","7","1") = "6"
    & skf18("2","2","3","2","7","8","1") = "7"
    & skf18("2","2","3","2","7","9","1") = "8"
    & skf18("2","2","3","2","7","10","1") = "9"
    & skf18("2","2","3","2","8","1","1") = "7"
    & skf18("2","2","3","2","8","2","1") = "7"
    & skf18("2","2","3","2","8","3","1") = "7"
    & skf18("2","2","3","2","8","4","1") = "7"
    & skf18("2","2","3","2","8","5","1") = "7"
    & skf18("2","2","3","2","8","6","1") = "7"
    & skf18("2","2","3","2","8","7","1") = "7"
    & skf18("2","2","3","2","8","8","1") = "7"
    & skf18("2","2","3","2","8","9","1") = "8"
    & skf18("2","2","3","2","8","10","1") = "9"
    & skf18("2","2","3","2","9","1","1") = "8"
    & skf18("2","2","3","2","9","2","1") = "8"
    & skf18("2","2","3","2","9","3","1") = "8"
    & skf18("2","2","3","2","9","4","1") = "8"
    & skf18("2","2","3","2","9","5","1") = "8"
    & skf18("2","2","3","2","9","6","1") = "8"
    & skf18("2","2","3","2","9","7","1") = "8"
    & skf18("2","2","3","2","9","8","1") = "8"
    & skf18("2","2","3","2","9","9","1") = "8"
    & skf18("2","2","3","2","9","10","1") = "9"
    & skf18("2","2","3","2","10","1","1") = "9"
    & skf18("2","2","3","2","10","2","1") = "9"
    & skf18("2","2","3","2","10","3","1") = "9"
    & skf18("2","2","3","2","10","4","1") = "9"
    & skf18("2","2","3","2","10","5","1") = "9"
    & skf18("2","2","3","2","10","6","1") = "9"
    & skf18("2","2","3","2","10","7","1") = "9"
    & skf18("2","2","3","2","10","8","1") = "9"
    & skf18("2","2","3","2","10","9","1") = "9"
    & skf18("2","2","3","2","10","10","1") = "9"
    & skf18("2","2","3","3","1","1","1") = "2"
    & skf18("2","2","3","3","1","2","1") = "2"
    & skf18("2","2","3","3","1","3","1") = "2"
    & skf18("2","2","3","3","1","4","1") = "3"
    & skf18("2","2","3","3","1","5","1") = "4"
    & skf18("2","2","3","3","1","6","1") = "5"
    & skf18("2","2","3","3","1","7","1") = "6"
    & skf18("2","2","3","3","1","8","1") = "7"
    & skf18("2","2","3","3","1","9","1") = "8"
    & skf18("2","2","3","3","1","10","1") = "9"
    & skf18("2","2","3","3","2","1","1") = "2"
    & skf18("2","2","3","3","2","2","1") = "2"
    & skf18("2","2","3","3","2","3","1") = "2"
    & skf18("2","2","3","3","2","4","1") = "3"
    & skf18("2","2","3","3","2","5","1") = "4"
    & skf18("2","2","3","3","2","6","1") = "5"
    & skf18("2","2","3","3","2","7","1") = "6"
    & skf18("2","2","3","3","2","8","1") = "7"
    & skf18("2","2","3","3","2","9","1") = "8"
    & skf18("2","2","3","3","2","10","1") = "9"
    & skf18("2","2","3","3","3","1","1") = "2"
    & skf18("2","2","3","3","3","2","1") = "2"
    & skf18("2","2","3","3","3","3","1") = "2"
    & skf18("2","2","3","3","3","4","1") = "3"
    & skf18("2","2","3","3","3","5","1") = "4"
    & skf18("2","2","3","3","3","6","1") = "5"
    & skf18("2","2","3","3","3","7","1") = "6"
    & skf18("2","2","3","3","3","8","1") = "7"
    & skf18("2","2","3","3","3","9","1") = "8"
    & skf18("2","2","3","3","3","10","1") = "9"
    & skf18("2","2","3","3","4","1","1") = "3"
    & skf18("2","2","3","3","4","2","1") = "3"
    & skf18("2","2","3","3","4","3","1") = "3"
    & skf18("2","2","3","3","4","4","1") = "3"
    & skf18("2","2","3","3","4","5","1") = "4"
    & skf18("2","2","3","3","4","6","1") = "5"
    & skf18("2","2","3","3","4","7","1") = "6"
    & skf18("2","2","3","3","4","8","1") = "7"
    & skf18("2","2","3","3","4","9","1") = "8"
    & skf18("2","2","3","3","4","10","1") = "9"
    & skf18("2","2","3","3","5","1","1") = "4"
    & skf18("2","2","3","3","5","2","1") = "4"
    & skf18("2","2","3","3","5","3","1") = "4"
    & skf18("2","2","3","3","5","4","1") = "4"
    & skf18("2","2","3","3","5","5","1") = "4"
    & skf18("2","2","3","3","5","6","1") = "5"
    & skf18("2","2","3","3","5","7","1") = "6"
    & skf18("2","2","3","3","5","8","1") = "7"
    & skf18("2","2","3","3","5","9","1") = "8"
    & skf18("2","2","3","3","5","10","1") = "9"
    & skf18("2","2","3","3","6","1","1") = "5"
    & skf18("2","2","3","3","6","2","1") = "5"
    & skf18("2","2","3","3","6","3","1") = "5"
    & skf18("2","2","3","3","6","4","1") = "5"
    & skf18("2","2","3","3","6","5","1") = "5"
    & skf18("2","2","3","3","6","6","1") = "5"
    & skf18("2","2","3","3","6","7","1") = "6"
    & skf18("2","2","3","3","6","8","1") = "7"
    & skf18("2","2","3","3","6","9","1") = "8"
    & skf18("2","2","3","3","6","10","1") = "9"
    & skf18("2","2","3","3","7","1","1") = "6"
    & skf18("2","2","3","3","7","2","1") = "6"
    & skf18("2","2","3","3","7","3","1") = "6"
    & skf18("2","2","3","3","7","4","1") = "6"
    & skf18("2","2","3","3","7","5","1") = "6"
    & skf18("2","2","3","3","7","6","1") = "6"
    & skf18("2","2","3","3","7","7","1") = "6"
    & skf18("2","2","3","3","7","8","1") = "7"
    & skf18("2","2","3","3","7","9","1") = "8"
    & skf18("2","2","3","3","7","10","1") = "9"
    & skf18("2","2","3","3","8","1","1") = "7"
    & skf18("2","2","3","3","8","2","1") = "7"
    & skf18("2","2","3","3","8","3","1") = "7"
    & skf18("2","2","3","3","8","4","1") = "7"
    & skf18("2","2","3","3","8","5","1") = "7"
    & skf18("2","2","3","3","8","6","1") = "7"
    & skf18("2","2","3","3","8","7","1") = "7"
    & skf18("2","2","3","3","8","8","1") = "7"
    & skf18("2","2","3","3","8","9","1") = "8"
    & skf18("2","2","3","3","8","10","1") = "9"
    & skf18("2","2","3","3","9","1","1") = "8"
    & skf18("2","2","3","3","9","2","1") = "8"
    & skf18("2","2","3","3","9","3","1") = "8"
    & skf18("2","2","3","3","9","4","1") = "8"
    & skf18("2","2","3","3","9","5","1") = "8"
    & skf18("2","2","3","3","9","6","1") = "8"
    & skf18("2","2","3","3","9","7","1") = "8"
    & skf18("2","2","3","3","9","8","1") = "8"
    & skf18("2","2","3","3","9","9","1") = "8"
    & skf18("2","2","3","3","9","10","1") = "9"
    & skf18("2","2","3","3","10","1","1") = "9"
    & skf18("2","2","3","3","10","2","1") = "9"
    & skf18("2","2","3","3","10","3","1") = "9"
    & skf18("2","2","3","3","10","4","1") = "9"
    & skf18("2","2","3","3","10","5","1") = "9"
    & skf18("2","2","3","3","10","6","1") = "9"
    & skf18("2","2","3","3","10","7","1") = "9"
    & skf18("2","2","3","3","10","8","1") = "9"
    & skf18("2","2","3","3","10","9","1") = "9"
    & skf18("2","2","3","3","10","10","1") = "9"
    & skf18("2","2","3","4","1","1","1") = "3"
    & skf18("2","2","3","4","1","2","1") = "3"
    & skf18("2","2","3","4","1","3","1") = "3"
    & skf18("2","2","3","4","1","4","1") = "3"
    & skf18("2","2","3","4","1","5","1") = "4"
    & skf18("2","2","3","4","1","6","1") = "5"
    & skf18("2","2","3","4","1","7","1") = "6"
    & skf18("2","2","3","4","1","8","1") = "7"
    & skf18("2","2","3","4","1","9","1") = "8"
    & skf18("2","2","3","4","1","10","1") = "9"
    & skf18("2","2","3","4","2","1","1") = "3"
    & skf18("2","2","3","4","2","2","1") = "3"
    & skf18("2","2","3","4","2","3","1") = "3"
    & skf18("2","2","3","4","2","4","1") = "3"
    & skf18("2","2","3","4","2","5","1") = "4"
    & skf18("2","2","3","4","2","6","1") = "5"
    & skf18("2","2","3","4","2","7","1") = "6"
    & skf18("2","2","3","4","2","8","1") = "7"
    & skf18("2","2","3","4","2","9","1") = "8"
    & skf18("2","2","3","4","2","10","1") = "9"
    & skf18("2","2","3","4","3","1","1") = "3"
    & skf18("2","2","3","4","3","2","1") = "3"
    & skf18("2","2","3","4","3","3","1") = "3"
    & skf18("2","2","3","4","3","4","1") = "3"
    & skf18("2","2","3","4","3","5","1") = "4"
    & skf18("2","2","3","4","3","6","1") = "5"
    & skf18("2","2","3","4","3","7","1") = "6"
    & skf18("2","2","3","4","3","8","1") = "7"
    & skf18("2","2","3","4","3","9","1") = "8"
    & skf18("2","2","3","4","3","10","1") = "9"
    & skf18("2","2","3","4","4","1","1") = "3"
    & skf18("2","2","3","4","4","2","1") = "3"
    & skf18("2","2","3","4","4","3","1") = "3"
    & skf18("2","2","3","4","4","4","1") = "3"
    & skf18("2","2","3","4","4","5","1") = "4"
    & skf18("2","2","3","4","4","6","1") = "5"
    & skf18("2","2","3","4","4","7","1") = "6"
    & skf18("2","2","3","4","4","8","1") = "7"
    & skf18("2","2","3","4","4","9","1") = "8"
    & skf18("2","2","3","4","4","10","1") = "9"
    & skf18("2","2","3","4","5","1","1") = "4"
    & skf18("2","2","3","4","5","2","1") = "4"
    & skf18("2","2","3","4","5","3","1") = "4"
    & skf18("2","2","3","4","5","4","1") = "4"
    & skf18("2","2","3","4","5","5","1") = "4"
    & skf18("2","2","3","4","5","6","1") = "5"
    & skf18("2","2","3","4","5","7","1") = "6"
    & skf18("2","2","3","4","5","8","1") = "7"
    & skf18("2","2","3","4","5","9","1") = "8"
    & skf18("2","2","3","4","5","10","1") = "9"
    & skf18("2","2","3","4","6","1","1") = "5"
    & skf18("2","2","3","4","6","2","1") = "5"
    & skf18("2","2","3","4","6","3","1") = "5"
    & skf18("2","2","3","4","6","4","1") = "5"
    & skf18("2","2","3","4","6","5","1") = "5"
    & skf18("2","2","3","4","6","6","1") = "5"
    & skf18("2","2","3","4","6","7","1") = "6"
    & skf18("2","2","3","4","6","8","1") = "7"
    & skf18("2","2","3","4","6","9","1") = "8"
    & skf18("2","2","3","4","6","10","1") = "9"
    & skf18("2","2","3","4","7","1","1") = "6"
    & skf18("2","2","3","4","7","2","1") = "6"
    & skf18("2","2","3","4","7","3","1") = "6"
    & skf18("2","2","3","4","7","4","1") = "6"
    & skf18("2","2","3","4","7","5","1") = "6"
    & skf18("2","2","3","4","7","6","1") = "6"
    & skf18("2","2","3","4","7","7","1") = "6"
    & skf18("2","2","3","4","7","8","1") = "7"
    & skf18("2","2","3","4","7","9","1") = "8"
    & skf18("2","2","3","4","7","10","1") = "9"
    & skf18("2","2","3","4","8","1","1") = "7"
    & skf18("2","2","3","4","8","2","1") = "7"
    & skf18("2","2","3","4","8","3","1") = "7"
    & skf18("2","2","3","4","8","4","1") = "7"
    & skf18("2","2","3","4","8","5","1") = "7"
    & skf18("2","2","3","4","8","6","1") = "7"
    & skf18("2","2","3","4","8","7","1") = "7"
    & skf18("2","2","3","4","8","8","1") = "7"
    & skf18("2","2","3","4","8","9","1") = "8"
    & skf18("2","2","3","4","8","10","1") = "9"
    & skf18("2","2","3","4","9","1","1") = "8"
    & skf18("2","2","3","4","9","2","1") = "8"
    & skf18("2","2","3","4","9","3","1") = "8"
    & skf18("2","2","3","4","9","4","1") = "8"
    & skf18("2","2","3","4","9","5","1") = "8"
    & skf18("2","2","3","4","9","6","1") = "8"
    & skf18("2","2","3","4","9","7","1") = "8"
    & skf18("2","2","3","4","9","8","1") = "8"
    & skf18("2","2","3","4","9","9","1") = "8"
    & skf18("2","2","3","4","9","10","1") = "9"
    & skf18("2","2","3","4","10","1","1") = "9"
    & skf18("2","2","3","4","10","2","1") = "9"
    & skf18("2","2","3","4","10","3","1") = "9"
    & skf18("2","2","3","4","10","4","1") = "9"
    & skf18("2","2","3","4","10","5","1") = "9"
    & skf18("2","2","3","4","10","6","1") = "9"
    & skf18("2","2","3","4","10","7","1") = "9"
    & skf18("2","2","3","4","10","8","1") = "9"
    & skf18("2","2","3","4","10","9","1") = "9"
    & skf18("2","2","3","4","10","10","1") = "9"
    & skf18("2","2","3","5","1","1","1") = "4"
    & skf18("2","2","3","5","1","2","1") = "4"
    & skf18("2","2","3","5","1","3","1") = "4"
    & skf18("2","2","3","5","1","4","1") = "4"
    & skf18("2","2","3","5","1","5","1") = "4"
    & skf18("2","2","3","5","1","6","1") = "5"
    & skf18("2","2","3","5","1","7","1") = "6"
    & skf18("2","2","3","5","1","8","1") = "7"
    & skf18("2","2","3","5","1","9","1") = "8"
    & skf18("2","2","3","5","1","10","1") = "9"
    & skf18("2","2","3","5","2","1","1") = "4"
    & skf18("2","2","3","5","2","2","1") = "4"
    & skf18("2","2","3","5","2","3","1") = "4"
    & skf18("2","2","3","5","2","4","1") = "4"
    & skf18("2","2","3","5","2","5","1") = "4"
    & skf18("2","2","3","5","2","6","1") = "5"
    & skf18("2","2","3","5","2","7","1") = "6"
    & skf18("2","2","3","5","2","8","1") = "7"
    & skf18("2","2","3","5","2","9","1") = "8"
    & skf18("2","2","3","5","2","10","1") = "9"
    & skf18("2","2","3","5","3","1","1") = "4"
    & skf18("2","2","3","5","3","2","1") = "4"
    & skf18("2","2","3","5","3","3","1") = "4"
    & skf18("2","2","3","5","3","4","1") = "4"
    & skf18("2","2","3","5","3","5","1") = "4"
    & skf18("2","2","3","5","3","6","1") = "5"
    & skf18("2","2","3","5","3","7","1") = "6"
    & skf18("2","2","3","5","3","8","1") = "7"
    & skf18("2","2","3","5","3","9","1") = "8"
    & skf18("2","2","3","5","3","10","1") = "9"
    & skf18("2","2","3","5","4","1","1") = "4"
    & skf18("2","2","3","5","4","2","1") = "4"
    & skf18("2","2","3","5","4","3","1") = "4"
    & skf18("2","2","3","5","4","4","1") = "4"
    & skf18("2","2","3","5","4","5","1") = "4"
    & skf18("2","2","3","5","4","6","1") = "5"
    & skf18("2","2","3","5","4","7","1") = "6"
    & skf18("2","2","3","5","4","8","1") = "7"
    & skf18("2","2","3","5","4","9","1") = "8"
    & skf18("2","2","3","5","4","10","1") = "9"
    & skf18("2","2","3","5","5","1","1") = "4"
    & skf18("2","2","3","5","5","2","1") = "4"
    & skf18("2","2","3","5","5","3","1") = "4"
    & skf18("2","2","3","5","5","4","1") = "4"
    & skf18("2","2","3","5","5","5","1") = "4"
    & skf18("2","2","3","5","5","6","1") = "5"
    & skf18("2","2","3","5","5","7","1") = "6"
    & skf18("2","2","3","5","5","8","1") = "7"
    & skf18("2","2","3","5","5","9","1") = "8"
    & skf18("2","2","3","5","5","10","1") = "9"
    & skf18("2","2","3","5","6","1","1") = "5"
    & skf18("2","2","3","5","6","2","1") = "5"
    & skf18("2","2","3","5","6","3","1") = "5"
    & skf18("2","2","3","5","6","4","1") = "5"
    & skf18("2","2","3","5","6","5","1") = "5"
    & skf18("2","2","3","5","6","6","1") = "5"
    & skf18("2","2","3","5","6","7","1") = "6"
    & skf18("2","2","3","5","6","8","1") = "7"
    & skf18("2","2","3","5","6","9","1") = "8"
    & skf18("2","2","3","5","6","10","1") = "9"
    & skf18("2","2","3","5","7","1","1") = "6"
    & skf18("2","2","3","5","7","2","1") = "6"
    & skf18("2","2","3","5","7","3","1") = "6"
    & skf18("2","2","3","5","7","4","1") = "6"
    & skf18("2","2","3","5","7","5","1") = "6"
    & skf18("2","2","3","5","7","6","1") = "6"
    & skf18("2","2","3","5","7","7","1") = "6"
    & skf18("2","2","3","5","7","8","1") = "7"
    & skf18("2","2","3","5","7","9","1") = "8"
    & skf18("2","2","3","5","7","10","1") = "9"
    & skf18("2","2","3","5","8","1","1") = "7"
    & skf18("2","2","3","5","8","2","1") = "7"
    & skf18("2","2","3","5","8","3","1") = "7"
    & skf18("2","2","3","5","8","4","1") = "7"
    & skf18("2","2","3","5","8","5","1") = "7"
    & skf18("2","2","3","5","8","6","1") = "7"
    & skf18("2","2","3","5","8","7","1") = "7"
    & skf18("2","2","3","5","8","8","1") = "7"
    & skf18("2","2","3","5","8","9","1") = "8"
    & skf18("2","2","3","5","8","10","1") = "9"
    & skf18("2","2","3","5","9","1","1") = "8"
    & skf18("2","2","3","5","9","2","1") = "8"
    & skf18("2","2","3","5","9","3","1") = "8"
    & skf18("2","2","3","5","9","4","1") = "8"
    & skf18("2","2","3","5","9","5","1") = "8"
    & skf18("2","2","3","5","9","6","1") = "8"
    & skf18("2","2","3","5","9","7","1") = "8"
    & skf18("2","2","3","5","9","8","1") = "8"
    & skf18("2","2","3","5","9","9","1") = "8"
    & skf18("2","2","3","5","9","10","1") = "9"
    & skf18("2","2","3","5","10","1","1") = "9"
    & skf18("2","2","3","5","10","2","1") = "9"
    & skf18("2","2","3","5","10","3","1") = "9"
    & skf18("2","2","3","5","10","4","1") = "9"
    & skf18("2","2","3","5","10","5","1") = "9"
    & skf18("2","2","3","5","10","6","1") = "9"
    & skf18("2","2","3","5","10","7","1") = "9"
    & skf18("2","2","3","5","10","8","1") = "9"
    & skf18("2","2","3","5","10","9","1") = "9"
    & skf18("2","2","3","5","10","10","1") = "9"
    & skf18("2","2","3","6","1","1","1") = "5"
    & skf18("2","2","3","6","1","2","1") = "5"
    & skf18("2","2","3","6","1","3","1") = "5"
    & skf18("2","2","3","6","1","4","1") = "5"
    & skf18("2","2","3","6","1","5","1") = "5"
    & skf18("2","2","3","6","1","6","1") = "5"
    & skf18("2","2","3","6","1","7","1") = "6"
    & skf18("2","2","3","6","1","8","1") = "7"
    & skf18("2","2","3","6","1","9","1") = "8"
    & skf18("2","2","3","6","1","10","1") = "9"
    & skf18("2","2","3","6","2","1","1") = "5"
    & skf18("2","2","3","6","2","2","1") = "5"
    & skf18("2","2","3","6","2","3","1") = "5"
    & skf18("2","2","3","6","2","4","1") = "5"
    & skf18("2","2","3","6","2","5","1") = "5"
    & skf18("2","2","3","6","2","6","1") = "5"
    & skf18("2","2","3","6","2","7","1") = "6"
    & skf18("2","2","3","6","2","8","1") = "7"
    & skf18("2","2","3","6","2","9","1") = "8"
    & skf18("2","2","3","6","2","10","1") = "9"
    & skf18("2","2","3","6","3","1","1") = "5"
    & skf18("2","2","3","6","3","2","1") = "5"
    & skf18("2","2","3","6","3","3","1") = "5"
    & skf18("2","2","3","6","3","4","1") = "5"
    & skf18("2","2","3","6","3","5","1") = "5"
    & skf18("2","2","3","6","3","6","1") = "5"
    & skf18("2","2","3","6","3","7","1") = "6"
    & skf18("2","2","3","6","3","8","1") = "7"
    & skf18("2","2","3","6","3","9","1") = "8"
    & skf18("2","2","3","6","3","10","1") = "9"
    & skf18("2","2","3","6","4","1","1") = "5"
    & skf18("2","2","3","6","4","2","1") = "5"
    & skf18("2","2","3","6","4","3","1") = "5"
    & skf18("2","2","3","6","4","4","1") = "5"
    & skf18("2","2","3","6","4","5","1") = "5"
    & skf18("2","2","3","6","4","6","1") = "5"
    & skf18("2","2","3","6","4","7","1") = "6"
    & skf18("2","2","3","6","4","8","1") = "7"
    & skf18("2","2","3","6","4","9","1") = "8"
    & skf18("2","2","3","6","4","10","1") = "9"
    & skf18("2","2","3","6","5","1","1") = "5"
    & skf18("2","2","3","6","5","2","1") = "5"
    & skf18("2","2","3","6","5","3","1") = "5"
    & skf18("2","2","3","6","5","4","1") = "5"
    & skf18("2","2","3","6","5","5","1") = "5"
    & skf18("2","2","3","6","5","6","1") = "5"
    & skf18("2","2","3","6","5","7","1") = "6"
    & skf18("2","2","3","6","5","8","1") = "7"
    & skf18("2","2","3","6","5","9","1") = "8"
    & skf18("2","2","3","6","5","10","1") = "9"
    & skf18("2","2","3","6","6","1","1") = "5"
    & skf18("2","2","3","6","6","2","1") = "5"
    & skf18("2","2","3","6","6","3","1") = "5"
    & skf18("2","2","3","6","6","4","1") = "5"
    & skf18("2","2","3","6","6","5","1") = "5"
    & skf18("2","2","3","6","6","6","1") = "5"
    & skf18("2","2","3","6","6","7","1") = "6"
    & skf18("2","2","3","6","6","8","1") = "7"
    & skf18("2","2","3","6","6","9","1") = "8"
    & skf18("2","2","3","6","6","10","1") = "9"
    & skf18("2","2","3","6","7","1","1") = "6"
    & skf18("2","2","3","6","7","2","1") = "6"
    & skf18("2","2","3","6","7","3","1") = "6"
    & skf18("2","2","3","6","7","4","1") = "6"
    & skf18("2","2","3","6","7","5","1") = "6"
    & skf18("2","2","3","6","7","6","1") = "6"
    & skf18("2","2","3","6","7","7","1") = "6"
    & skf18("2","2","3","6","7","8","1") = "7"
    & skf18("2","2","3","6","7","9","1") = "8"
    & skf18("2","2","3","6","7","10","1") = "9"
    & skf18("2","2","3","6","8","1","1") = "7"
    & skf18("2","2","3","6","8","2","1") = "7"
    & skf18("2","2","3","6","8","3","1") = "7"
    & skf18("2","2","3","6","8","4","1") = "7"
    & skf18("2","2","3","6","8","5","1") = "7"
    & skf18("2","2","3","6","8","6","1") = "7"
    & skf18("2","2","3","6","8","7","1") = "7"
    & skf18("2","2","3","6","8","8","1") = "7"
    & skf18("2","2","3","6","8","9","1") = "8"
    & skf18("2","2","3","6","8","10","1") = "9"
    & skf18("2","2","3","6","9","1","1") = "8"
    & skf18("2","2","3","6","9","2","1") = "8"
    & skf18("2","2","3","6","9","3","1") = "8"
    & skf18("2","2","3","6","9","4","1") = "8"
    & skf18("2","2","3","6","9","5","1") = "8"
    & skf18("2","2","3","6","9","6","1") = "8"
    & skf18("2","2","3","6","9","7","1") = "8"
    & skf18("2","2","3","6","9","8","1") = "8"
    & skf18("2","2","3","6","9","9","1") = "8"
    & skf18("2","2","3","6","9","10","1") = "9"
    & skf18("2","2","3","6","10","1","1") = "9"
    & skf18("2","2","3","6","10","2","1") = "9"
    & skf18("2","2","3","6","10","3","1") = "9"
    & skf18("2","2","3","6","10","4","1") = "9"
    & skf18("2","2","3","6","10","5","1") = "9"
    & skf18("2","2","3","6","10","6","1") = "9"
    & skf18("2","2","3","6","10","7","1") = "9"
    & skf18("2","2","3","6","10","8","1") = "9"
    & skf18("2","2","3","6","10","9","1") = "9"
    & skf18("2","2","3","6","10","10","1") = "9"
    & skf18("2","2","3","7","1","1","1") = "6"
    & skf18("2","2","3","7","1","2","1") = "6"
    & skf18("2","2","3","7","1","3","1") = "6"
    & skf18("2","2","3","7","1","4","1") = "6"
    & skf18("2","2","3","7","1","5","1") = "6"
    & skf18("2","2","3","7","1","6","1") = "6"
    & skf18("2","2","3","7","1","7","1") = "6"
    & skf18("2","2","3","7","1","8","1") = "7"
    & skf18("2","2","3","7","1","9","1") = "8"
    & skf18("2","2","3","7","1","10","1") = "9"
    & skf18("2","2","3","7","2","1","1") = "6"
    & skf18("2","2","3","7","2","2","1") = "6"
    & skf18("2","2","3","7","2","3","1") = "6"
    & skf18("2","2","3","7","2","4","1") = "6"
    & skf18("2","2","3","7","2","5","1") = "6"
    & skf18("2","2","3","7","2","6","1") = "6"
    & skf18("2","2","3","7","2","7","1") = "6"
    & skf18("2","2","3","7","2","8","1") = "7"
    & skf18("2","2","3","7","2","9","1") = "8"
    & skf18("2","2","3","7","2","10","1") = "9"
    & skf18("2","2","3","7","3","1","1") = "6"
    & skf18("2","2","3","7","3","2","1") = "6"
    & skf18("2","2","3","7","3","3","1") = "6"
    & skf18("2","2","3","7","3","4","1") = "6"
    & skf18("2","2","3","7","3","5","1") = "6"
    & skf18("2","2","3","7","3","6","1") = "6"
    & skf18("2","2","3","7","3","7","1") = "6"
    & skf18("2","2","3","7","3","8","1") = "7"
    & skf18("2","2","3","7","3","9","1") = "8"
    & skf18("2","2","3","7","3","10","1") = "9"
    & skf18("2","2","3","7","4","1","1") = "6"
    & skf18("2","2","3","7","4","2","1") = "6"
    & skf18("2","2","3","7","4","3","1") = "6"
    & skf18("2","2","3","7","4","4","1") = "6"
    & skf18("2","2","3","7","4","5","1") = "6"
    & skf18("2","2","3","7","4","6","1") = "6"
    & skf18("2","2","3","7","4","7","1") = "6"
    & skf18("2","2","3","7","4","8","1") = "7"
    & skf18("2","2","3","7","4","9","1") = "8"
    & skf18("2","2","3","7","4","10","1") = "9"
    & skf18("2","2","3","7","5","1","1") = "6"
    & skf18("2","2","3","7","5","2","1") = "6"
    & skf18("2","2","3","7","5","3","1") = "6"
    & skf18("2","2","3","7","5","4","1") = "6"
    & skf18("2","2","3","7","5","5","1") = "6"
    & skf18("2","2","3","7","5","6","1") = "6"
    & skf18("2","2","3","7","5","7","1") = "6"
    & skf18("2","2","3","7","5","8","1") = "7"
    & skf18("2","2","3","7","5","9","1") = "8"
    & skf18("2","2","3","7","5","10","1") = "9"
    & skf18("2","2","3","7","6","1","1") = "6"
    & skf18("2","2","3","7","6","2","1") = "6"
    & skf18("2","2","3","7","6","3","1") = "6"
    & skf18("2","2","3","7","6","4","1") = "6"
    & skf18("2","2","3","7","6","5","1") = "6"
    & skf18("2","2","3","7","6","6","1") = "6"
    & skf18("2","2","3","7","6","7","1") = "6"
    & skf18("2","2","3","7","6","8","1") = "7"
    & skf18("2","2","3","7","6","9","1") = "8"
    & skf18("2","2","3","7","6","10","1") = "9"
    & skf18("2","2","3","7","7","1","1") = "6"
    & skf18("2","2","3","7","7","2","1") = "6"
    & skf18("2","2","3","7","7","3","1") = "6"
    & skf18("2","2","3","7","7","4","1") = "6"
    & skf18("2","2","3","7","7","5","1") = "6"
    & skf18("2","2","3","7","7","6","1") = "6"
    & skf18("2","2","3","7","7","7","1") = "6"
    & skf18("2","2","3","7","7","8","1") = "7"
    & skf18("2","2","3","7","7","9","1") = "8"
    & skf18("2","2","3","7","7","10","1") = "9"
    & skf18("2","2","3","7","8","1","1") = "7"
    & skf18("2","2","3","7","8","2","1") = "7"
    & skf18("2","2","3","7","8","3","1") = "7"
    & skf18("2","2","3","7","8","4","1") = "7"
    & skf18("2","2","3","7","8","5","1") = "7"
    & skf18("2","2","3","7","8","6","1") = "7"
    & skf18("2","2","3","7","8","7","1") = "7"
    & skf18("2","2","3","7","8","8","1") = "7"
    & skf18("2","2","3","7","8","9","1") = "8"
    & skf18("2","2","3","7","8","10","1") = "9"
    & skf18("2","2","3","7","9","1","1") = "8"
    & skf18("2","2","3","7","9","2","1") = "8"
    & skf18("2","2","3","7","9","3","1") = "8"
    & skf18("2","2","3","7","9","4","1") = "8"
    & skf18("2","2","3","7","9","5","1") = "8"
    & skf18("2","2","3","7","9","6","1") = "8"
    & skf18("2","2","3","7","9","7","1") = "8"
    & skf18("2","2","3","7","9","8","1") = "8"
    & skf18("2","2","3","7","9","9","1") = "8"
    & skf18("2","2","3","7","9","10","1") = "9"
    & skf18("2","2","3","7","10","1","1") = "9"
    & skf18("2","2","3","7","10","2","1") = "9"
    & skf18("2","2","3","7","10","3","1") = "9"
    & skf18("2","2","3","7","10","4","1") = "9"
    & skf18("2","2","3","7","10","5","1") = "9"
    & skf18("2","2","3","7","10","6","1") = "9"
    & skf18("2","2","3","7","10","7","1") = "9"
    & skf18("2","2","3","7","10","8","1") = "9"
    & skf18("2","2","3","7","10","9","1") = "9"
    & skf18("2","2","3","7","10","10","1") = "9"
    & skf18("2","2","3","8","1","1","1") = "7"
    & skf18("2","2","3","8","1","2","1") = "7"
    & skf18("2","2","3","8","1","3","1") = "7"
    & skf18("2","2","3","8","1","4","1") = "7"
    & skf18("2","2","3","8","1","5","1") = "7"
    & skf18("2","2","3","8","1","6","1") = "7"
    & skf18("2","2","3","8","1","7","1") = "7"
    & skf18("2","2","3","8","1","8","1") = "7"
    & skf18("2","2","3","8","1","9","1") = "8"
    & skf18("2","2","3","8","1","10","1") = "9"
    & skf18("2","2","3","8","2","1","1") = "7"
    & skf18("2","2","3","8","2","2","1") = "7"
    & skf18("2","2","3","8","2","3","1") = "7"
    & skf18("2","2","3","8","2","4","1") = "7"
    & skf18("2","2","3","8","2","5","1") = "7"
    & skf18("2","2","3","8","2","6","1") = "7"
    & skf18("2","2","3","8","2","7","1") = "7"
    & skf18("2","2","3","8","2","8","1") = "7"
    & skf18("2","2","3","8","2","9","1") = "8"
    & skf18("2","2","3","8","2","10","1") = "9"
    & skf18("2","2","3","8","3","1","1") = "7"
    & skf18("2","2","3","8","3","2","1") = "7"
    & skf18("2","2","3","8","3","3","1") = "7"
    & skf18("2","2","3","8","3","4","1") = "7"
    & skf18("2","2","3","8","3","5","1") = "7"
    & skf18("2","2","3","8","3","6","1") = "7"
    & skf18("2","2","3","8","3","7","1") = "7"
    & skf18("2","2","3","8","3","8","1") = "7"
    & skf18("2","2","3","8","3","9","1") = "8"
    & skf18("2","2","3","8","3","10","1") = "9"
    & skf18("2","2","3","8","4","1","1") = "7"
    & skf18("2","2","3","8","4","2","1") = "7"
    & skf18("2","2","3","8","4","3","1") = "7"
    & skf18("2","2","3","8","4","4","1") = "7"
    & skf18("2","2","3","8","4","5","1") = "7"
    & skf18("2","2","3","8","4","6","1") = "7"
    & skf18("2","2","3","8","4","7","1") = "7"
    & skf18("2","2","3","8","4","8","1") = "7"
    & skf18("2","2","3","8","4","9","1") = "8"
    & skf18("2","2","3","8","4","10","1") = "9"
    & skf18("2","2","3","8","5","1","1") = "7"
    & skf18("2","2","3","8","5","2","1") = "7"
    & skf18("2","2","3","8","5","3","1") = "7"
    & skf18("2","2","3","8","5","4","1") = "7"
    & skf18("2","2","3","8","5","5","1") = "7"
    & skf18("2","2","3","8","5","6","1") = "7"
    & skf18("2","2","3","8","5","7","1") = "7"
    & skf18("2","2","3","8","5","8","1") = "7"
    & skf18("2","2","3","8","5","9","1") = "8"
    & skf18("2","2","3","8","5","10","1") = "9"
    & skf18("2","2","3","8","6","1","1") = "7"
    & skf18("2","2","3","8","6","2","1") = "7"
    & skf18("2","2","3","8","6","3","1") = "7"
    & skf18("2","2","3","8","6","4","1") = "7"
    & skf18("2","2","3","8","6","5","1") = "7"
    & skf18("2","2","3","8","6","6","1") = "7"
    & skf18("2","2","3","8","6","7","1") = "7"
    & skf18("2","2","3","8","6","8","1") = "7"
    & skf18("2","2","3","8","6","9","1") = "8"
    & skf18("2","2","3","8","6","10","1") = "9"
    & skf18("2","2","3","8","7","1","1") = "7"
    & skf18("2","2","3","8","7","2","1") = "7"
    & skf18("2","2","3","8","7","3","1") = "7"
    & skf18("2","2","3","8","7","4","1") = "7"
    & skf18("2","2","3","8","7","5","1") = "7"
    & skf18("2","2","3","8","7","6","1") = "7"
    & skf18("2","2","3","8","7","7","1") = "7"
    & skf18("2","2","3","8","7","8","1") = "7"
    & skf18("2","2","3","8","7","9","1") = "8"
    & skf18("2","2","3","8","7","10","1") = "9"
    & skf18("2","2","3","8","8","1","1") = "7"
    & skf18("2","2","3","8","8","2","1") = "7"
    & skf18("2","2","3","8","8","3","1") = "7"
    & skf18("2","2","3","8","8","4","1") = "7"
    & skf18("2","2","3","8","8","5","1") = "7"
    & skf18("2","2","3","8","8","6","1") = "7"
    & skf18("2","2","3","8","8","7","1") = "7"
    & skf18("2","2","3","8","8","8","1") = "7"
    & skf18("2","2","3","8","8","9","1") = "8"
    & skf18("2","2","3","8","8","10","1") = "9"
    & skf18("2","2","3","8","9","1","1") = "8"
    & skf18("2","2","3","8","9","2","1") = "8"
    & skf18("2","2","3","8","9","3","1") = "8"
    & skf18("2","2","3","8","9","4","1") = "8"
    & skf18("2","2","3","8","9","5","1") = "8"
    & skf18("2","2","3","8","9","6","1") = "8"
    & skf18("2","2","3","8","9","7","1") = "8"
    & skf18("2","2","3","8","9","8","1") = "8"
    & skf18("2","2","3","8","9","9","1") = "8"
    & skf18("2","2","3","8","9","10","1") = "9"
    & skf18("2","2","3","8","10","1","1") = "9"
    & skf18("2","2","3","8","10","2","1") = "9"
    & skf18("2","2","3","8","10","3","1") = "9"
    & skf18("2","2","3","8","10","4","1") = "9"
    & skf18("2","2","3","8","10","5","1") = "9"
    & skf18("2","2","3","8","10","6","1") = "9"
    & skf18("2","2","3","8","10","7","1") = "9"
    & skf18("2","2","3","8","10","8","1") = "9"
    & skf18("2","2","3","8","10","9","1") = "9"
    & skf18("2","2","3","8","10","10","1") = "9"
    & skf18("2","2","3","9","1","1","1") = "8"
    & skf18("2","2","3","9","1","2","1") = "8"
    & skf18("2","2","3","9","1","3","1") = "8"
    & skf18("2","2","3","9","1","4","1") = "8"
    & skf18("2","2","3","9","1","5","1") = "8"
    & skf18("2","2","3","9","1","6","1") = "8"
    & skf18("2","2","3","9","1","7","1") = "8"
    & skf18("2","2","3","9","1","8","1") = "8"
    & skf18("2","2","3","9","1","9","1") = "8"
    & skf18("2","2","3","9","1","10","1") = "9"
    & skf18("2","2","3","9","2","1","1") = "8"
    & skf18("2","2","3","9","2","2","1") = "8"
    & skf18("2","2","3","9","2","3","1") = "8"
    & skf18("2","2","3","9","2","4","1") = "8"
    & skf18("2","2","3","9","2","5","1") = "8"
    & skf18("2","2","3","9","2","6","1") = "8"
    & skf18("2","2","3","9","2","7","1") = "8"
    & skf18("2","2","3","9","2","8","1") = "8"
    & skf18("2","2","3","9","2","9","1") = "8"
    & skf18("2","2","3","9","2","10","1") = "9"
    & skf18("2","2","3","9","3","1","1") = "8"
    & skf18("2","2","3","9","3","2","1") = "8"
    & skf18("2","2","3","9","3","3","1") = "8"
    & skf18("2","2","3","9","3","4","1") = "8"
    & skf18("2","2","3","9","3","5","1") = "8"
    & skf18("2","2","3","9","3","6","1") = "8"
    & skf18("2","2","3","9","3","7","1") = "8"
    & skf18("2","2","3","9","3","8","1") = "8"
    & skf18("2","2","3","9","3","9","1") = "8"
    & skf18("2","2","3","9","3","10","1") = "9"
    & skf18("2","2","3","9","4","1","1") = "8"
    & skf18("2","2","3","9","4","2","1") = "8"
    & skf18("2","2","3","9","4","3","1") = "8"
    & skf18("2","2","3","9","4","4","1") = "8"
    & skf18("2","2","3","9","4","5","1") = "8"
    & skf18("2","2","3","9","4","6","1") = "8"
    & skf18("2","2","3","9","4","7","1") = "8"
    & skf18("2","2","3","9","4","8","1") = "8"
    & skf18("2","2","3","9","4","9","1") = "8"
    & skf18("2","2","3","9","4","10","1") = "9"
    & skf18("2","2","3","9","5","1","1") = "8"
    & skf18("2","2","3","9","5","2","1") = "8"
    & skf18("2","2","3","9","5","3","1") = "8"
    & skf18("2","2","3","9","5","4","1") = "8"
    & skf18("2","2","3","9","5","5","1") = "8"
    & skf18("2","2","3","9","5","6","1") = "8"
    & skf18("2","2","3","9","5","7","1") = "8"
    & skf18("2","2","3","9","5","8","1") = "8"
    & skf18("2","2","3","9","5","9","1") = "8"
    & skf18("2","2","3","9","5","10","1") = "9"
    & skf18("2","2","3","9","6","1","1") = "8"
    & skf18("2","2","3","9","6","2","1") = "8"
    & skf18("2","2","3","9","6","3","1") = "8"
    & skf18("2","2","3","9","6","4","1") = "8"
    & skf18("2","2","3","9","6","5","1") = "8"
    & skf18("2","2","3","9","6","6","1") = "8"
    & skf18("2","2","3","9","6","7","1") = "8"
    & skf18("2","2","3","9","6","8","1") = "8"
    & skf18("2","2","3","9","6","9","1") = "8"
    & skf18("2","2","3","9","6","10","1") = "9"
    & skf18("2","2","3","9","7","1","1") = "8"
    & skf18("2","2","3","9","7","2","1") = "8"
    & skf18("2","2","3","9","7","3","1") = "8"
    & skf18("2","2","3","9","7","4","1") = "8"
    & skf18("2","2","3","9","7","5","1") = "8"
    & skf18("2","2","3","9","7","6","1") = "8"
    & skf18("2","2","3","9","7","7","1") = "8"
    & skf18("2","2","3","9","7","8","1") = "8"
    & skf18("2","2","3","9","7","9","1") = "8"
    & skf18("2","2","3","9","7","10","1") = "9"
    & skf18("2","2","3","9","8","1","1") = "8"
    & skf18("2","2","3","9","8","2","1") = "8"
    & skf18("2","2","3","9","8","3","1") = "8"
    & skf18("2","2","3","9","8","4","1") = "8"
    & skf18("2","2","3","9","8","5","1") = "8"
    & skf18("2","2","3","9","8","6","1") = "8"
    & skf18("2","2","3","9","8","7","1") = "8"
    & skf18("2","2","3","9","8","8","1") = "8"
    & skf18("2","2","3","9","8","9","1") = "8"
    & skf18("2","2","3","9","8","10","1") = "9"
    & skf18("2","2","3","9","9","1","1") = "8"
    & skf18("2","2","3","9","9","2","1") = "8"
    & skf18("2","2","3","9","9","3","1") = "8"
    & skf18("2","2","3","9","9","4","1") = "8"
    & skf18("2","2","3","9","9","5","1") = "8"
    & skf18("2","2","3","9","9","6","1") = "8"
    & skf18("2","2","3","9","9","7","1") = "8"
    & skf18("2","2","3","9","9","8","1") = "8"
    & skf18("2","2","3","9","9","9","1") = "8"
    & skf18("2","2","3","9","9","10","1") = "9"
    & skf18("2","2","3","9","10","1","1") = "9"
    & skf18("2","2","3","9","10","2","1") = "9"
    & skf18("2","2","3","9","10","3","1") = "9"
    & skf18("2","2","3","9","10","4","1") = "9"
    & skf18("2","2","3","9","10","5","1") = "9"
    & skf18("2","2","3","9","10","6","1") = "9"
    & skf18("2","2","3","9","10","7","1") = "9"
    & skf18("2","2","3","9","10","8","1") = "9"
    & skf18("2","2","3","9","10","9","1") = "9"
    & skf18("2","2","3","9","10","10","1") = "9"
    & skf18("2","2","3","10","1","1","1") = "9"
    & skf18("2","2","3","10","1","2","1") = "9"
    & skf18("2","2","3","10","1","3","1") = "9"
    & skf18("2","2","3","10","1","4","1") = "9"
    & skf18("2","2","3","10","1","5","1") = "9"
    & skf18("2","2","3","10","1","6","1") = "9"
    & skf18("2","2","3","10","1","7","1") = "9"
    & skf18("2","2","3","10","1","8","1") = "9"
    & skf18("2","2","3","10","1","9","1") = "9"
    & skf18("2","2","3","10","1","10","1") = "9"
    & skf18("2","2","3","10","2","1","1") = "9"
    & skf18("2","2","3","10","2","2","1") = "9"
    & skf18("2","2","3","10","2","3","1") = "9"
    & skf18("2","2","3","10","2","4","1") = "9"
    & skf18("2","2","3","10","2","5","1") = "9"
    & skf18("2","2","3","10","2","6","1") = "9"
    & skf18("2","2","3","10","2","7","1") = "9"
    & skf18("2","2","3","10","2","8","1") = "9"
    & skf18("2","2","3","10","2","9","1") = "9"
    & skf18("2","2","3","10","2","10","1") = "9"
    & skf18("2","2","3","10","3","1","1") = "9"
    & skf18("2","2","3","10","3","2","1") = "9"
    & skf18("2","2","3","10","3","3","1") = "9"
    & skf18("2","2","3","10","3","4","1") = "9"
    & skf18("2","2","3","10","3","5","1") = "9"
    & skf18("2","2","3","10","3","6","1") = "9"
    & skf18("2","2","3","10","3","7","1") = "9"
    & skf18("2","2","3","10","3","8","1") = "9"
    & skf18("2","2","3","10","3","9","1") = "9"
    & skf18("2","2","3","10","3","10","1") = "9"
    & skf18("2","2","3","10","4","1","1") = "9"
    & skf18("2","2","3","10","4","2","1") = "9"
    & skf18("2","2","3","10","4","3","1") = "9"
    & skf18("2","2","3","10","4","4","1") = "9"
    & skf18("2","2","3","10","4","5","1") = "9"
    & skf18("2","2","3","10","4","6","1") = "9"
    & skf18("2","2","3","10","4","7","1") = "9"
    & skf18("2","2","3","10","4","8","1") = "9"
    & skf18("2","2","3","10","4","9","1") = "9"
    & skf18("2","2","3","10","4","10","1") = "9"
    & skf18("2","2","3","10","5","1","1") = "9"
    & skf18("2","2","3","10","5","2","1") = "9"
    & skf18("2","2","3","10","5","3","1") = "9"
    & skf18("2","2","3","10","5","4","1") = "9"
    & skf18("2","2","3","10","5","5","1") = "9"
    & skf18("2","2","3","10","5","6","1") = "9"
    & skf18("2","2","3","10","5","7","1") = "9"
    & skf18("2","2","3","10","5","8","1") = "9"
    & skf18("2","2","3","10","5","9","1") = "9"
    & skf18("2","2","3","10","5","10","1") = "9"
    & skf18("2","2","3","10","6","1","1") = "9"
    & skf18("2","2","3","10","6","2","1") = "9"
    & skf18("2","2","3","10","6","3","1") = "9"
    & skf18("2","2","3","10","6","4","1") = "9"
    & skf18("2","2","3","10","6","5","1") = "9"
    & skf18("2","2","3","10","6","6","1") = "9"
    & skf18("2","2","3","10","6","7","1") = "9"
    & skf18("2","2","3","10","6","8","1") = "9"
    & skf18("2","2","3","10","6","9","1") = "9"
    & skf18("2","2","3","10","6","10","1") = "9"
    & skf18("2","2","3","10","7","1","1") = "9"
    & skf18("2","2","3","10","7","2","1") = "9"
    & skf18("2","2","3","10","7","3","1") = "9"
    & skf18("2","2","3","10","7","4","1") = "9"
    & skf18("2","2","3","10","7","5","1") = "9"
    & skf18("2","2","3","10","7","6","1") = "9"
    & skf18("2","2","3","10","7","7","1") = "9"
    & skf18("2","2","3","10","7","8","1") = "9"
    & skf18("2","2","3","10","7","9","1") = "9"
    & skf18("2","2","3","10","7","10","1") = "9"
    & skf18("2","2","3","10","8","1","1") = "9"
    & skf18("2","2","3","10","8","2","1") = "9"
    & skf18("2","2","3","10","8","3","1") = "9"
    & skf18("2","2","3","10","8","4","1") = "9"
    & skf18("2","2","3","10","8","5","1") = "9"
    & skf18("2","2","3","10","8","6","1") = "9"
    & skf18("2","2","3","10","8","7","1") = "9"
    & skf18("2","2","3","10","8","8","1") = "9"
    & skf18("2","2","3","10","8","9","1") = "9"
    & skf18("2","2","3","10","8","10","1") = "9"
    & skf18("2","2","3","10","9","1","1") = "9"
    & skf18("2","2","3","10","9","2","1") = "9"
    & skf18("2","2","3","10","9","3","1") = "9"
    & skf18("2","2","3","10","9","4","1") = "9"
    & skf18("2","2","3","10","9","5","1") = "9"
    & skf18("2","2","3","10","9","6","1") = "9"
    & skf18("2","2","3","10","9","7","1") = "9"
    & skf18("2","2","3","10","9","8","1") = "9"
    & skf18("2","2","3","10","9","9","1") = "9"
    & skf18("2","2","3","10","9","10","1") = "9"
    & skf18("2","2","3","10","10","1","1") = "9"
    & skf18("2","2","3","10","10","2","1") = "9"
    & skf18("2","2","3","10","10","3","1") = "9"
    & skf18("2","2","3","10","10","4","1") = "9"
    & skf18("2","2","3","10","10","5","1") = "9"
    & skf18("2","2","3","10","10","6","1") = "9"
    & skf18("2","2","3","10","10","7","1") = "9"
    & skf18("2","2","3","10","10","8","1") = "9"
    & skf18("2","2","3","10","10","9","1") = "9"
    & skf18("2","2","3","10","10","10","1") = "9"
    & skf18("2","2","4","1","1","1","1") = "3"
    & skf18("2","2","4","1","1","2","1") = "3"
    & skf18("2","2","4","1","1","3","1") = "3"
    & skf18("2","2","4","1","1","4","1") = "3"
    & skf18("2","2","4","1","1","5","1") = "4"
    & skf18("2","2","4","1","1","6","1") = "5"
    & skf18("2","2","4","1","1","7","1") = "6"
    & skf18("2","2","4","1","1","8","1") = "7"
    & skf18("2","2","4","1","1","9","1") = "8"
    & skf18("2","2","4","1","1","10","1") = "9"
    & skf18("2","2","4","1","2","1","1") = "3"
    & skf18("2","2","4","1","2","2","1") = "3"
    & skf18("2","2","4","1","2","3","1") = "3"
    & skf18("2","2","4","1","2","4","1") = "3"
    & skf18("2","2","4","1","2","5","1") = "4"
    & skf18("2","2","4","1","2","6","1") = "5"
    & skf18("2","2","4","1","2","7","1") = "6"
    & skf18("2","2","4","1","2","8","1") = "7"
    & skf18("2","2","4","1","2","9","1") = "8"
    & skf18("2","2","4","1","2","10","1") = "9"
    & skf18("2","2","4","1","3","1","1") = "3"
    & skf18("2","2","4","1","3","2","1") = "3"
    & skf18("2","2","4","1","3","3","1") = "3"
    & skf18("2","2","4","1","3","4","1") = "3"
    & skf18("2","2","4","1","3","5","1") = "4"
    & skf18("2","2","4","1","3","6","1") = "5"
    & skf18("2","2","4","1","3","7","1") = "6"
    & skf18("2","2","4","1","3","8","1") = "7"
    & skf18("2","2","4","1","3","9","1") = "8"
    & skf18("2","2","4","1","3","10","1") = "9"
    & skf18("2","2","4","1","4","1","1") = "3"
    & skf18("2","2","4","1","4","2","1") = "3"
    & skf18("2","2","4","1","4","3","1") = "3"
    & skf18("2","2","4","1","4","4","1") = "3"
    & skf18("2","2","4","1","4","5","1") = "4"
    & skf18("2","2","4","1","4","6","1") = "5"
    & skf18("2","2","4","1","4","7","1") = "6"
    & skf18("2","2","4","1","4","8","1") = "7"
    & skf18("2","2","4","1","4","9","1") = "8"
    & skf18("2","2","4","1","4","10","1") = "9"
    & skf18("2","2","4","1","5","1","1") = "4"
    & skf18("2","2","4","1","5","2","1") = "4"
    & skf18("2","2","4","1","5","3","1") = "4"
    & skf18("2","2","4","1","5","4","1") = "4"
    & skf18("2","2","4","1","5","5","1") = "4"
    & skf18("2","2","4","1","5","6","1") = "5"
    & skf18("2","2","4","1","5","7","1") = "6"
    & skf18("2","2","4","1","5","8","1") = "7"
    & skf18("2","2","4","1","5","9","1") = "8"
    & skf18("2","2","4","1","5","10","1") = "9"
    & skf18("2","2","4","1","6","1","1") = "5"
    & skf18("2","2","4","1","6","2","1") = "5"
    & skf18("2","2","4","1","6","3","1") = "5"
    & skf18("2","2","4","1","6","4","1") = "5"
    & skf18("2","2","4","1","6","5","1") = "5"
    & skf18("2","2","4","1","6","6","1") = "5"
    & skf18("2","2","4","1","6","7","1") = "6"
    & skf18("2","2","4","1","6","8","1") = "7"
    & skf18("2","2","4","1","6","9","1") = "8"
    & skf18("2","2","4","1","6","10","1") = "9"
    & skf18("2","2","4","1","7","1","1") = "6"
    & skf18("2","2","4","1","7","2","1") = "6"
    & skf18("2","2","4","1","7","3","1") = "6"
    & skf18("2","2","4","1","7","4","1") = "6"
    & skf18("2","2","4","1","7","5","1") = "6"
    & skf18("2","2","4","1","7","6","1") = "6"
    & skf18("2","2","4","1","7","7","1") = "6"
    & skf18("2","2","4","1","7","8","1") = "7"
    & skf18("2","2","4","1","7","9","1") = "8"
    & skf18("2","2","4","1","7","10","1") = "9"
    & skf18("2","2","4","1","8","1","1") = "7"
    & skf18("2","2","4","1","8","2","1") = "7"
    & skf18("2","2","4","1","8","3","1") = "7"
    & skf18("2","2","4","1","8","4","1") = "7"
    & skf18("2","2","4","1","8","5","1") = "7"
    & skf18("2","2","4","1","8","6","1") = "7"
    & skf18("2","2","4","1","8","7","1") = "7"
    & skf18("2","2","4","1","8","8","1") = "7"
    & skf18("2","2","4","1","8","9","1") = "8"
    & skf18("2","2","4","1","8","10","1") = "9"
    & skf18("2","2","4","1","9","1","1") = "8"
    & skf18("2","2","4","1","9","2","1") = "8"
    & skf18("2","2","4","1","9","3","1") = "8"
    & skf18("2","2","4","1","9","4","1") = "8"
    & skf18("2","2","4","1","9","5","1") = "8"
    & skf18("2","2","4","1","9","6","1") = "8"
    & skf18("2","2","4","1","9","7","1") = "8"
    & skf18("2","2","4","1","9","8","1") = "8"
    & skf18("2","2","4","1","9","9","1") = "8"
    & skf18("2","2","4","1","9","10","1") = "9"
    & skf18("2","2","4","1","10","1","1") = "9"
    & skf18("2","2","4","1","10","2","1") = "9"
    & skf18("2","2","4","1","10","3","1") = "9"
    & skf18("2","2","4","1","10","4","1") = "9"
    & skf18("2","2","4","1","10","5","1") = "9"
    & skf18("2","2","4","1","10","6","1") = "9"
    & skf18("2","2","4","1","10","7","1") = "9"
    & skf18("2","2","4","1","10","8","1") = "9"
    & skf18("2","2","4","1","10","9","1") = "9"
    & skf18("2","2","4","1","10","10","1") = "9"
    & skf18("2","2","4","2","1","1","1") = "3"
    & skf18("2","2","4","2","1","2","1") = "3"
    & skf18("2","2","4","2","1","3","1") = "3"
    & skf18("2","2","4","2","1","4","1") = "3"
    & skf18("2","2","4","2","1","5","1") = "4"
    & skf18("2","2","4","2","1","6","1") = "5"
    & skf18("2","2","4","2","1","7","1") = "6"
    & skf18("2","2","4","2","1","8","1") = "7"
    & skf18("2","2","4","2","1","9","1") = "8"
    & skf18("2","2","4","2","1","10","1") = "9"
    & skf18("2","2","4","2","2","1","1") = "3"
    & skf18("2","2","4","2","2","2","1") = "3"
    & skf18("2","2","4","2","2","3","1") = "3"
    & skf18("2","2","4","2","2","4","1") = "3"
    & skf18("2","2","4","2","2","5","1") = "4"
    & skf18("2","2","4","2","2","6","1") = "5"
    & skf18("2","2","4","2","2","7","1") = "6"
    & skf18("2","2","4","2","2","8","1") = "7"
    & skf18("2","2","4","2","2","9","1") = "8"
    & skf18("2","2","4","2","2","10","1") = "9"
    & skf18("2","2","4","2","3","1","1") = "3"
    & skf18("2","2","4","2","3","2","1") = "3"
    & skf18("2","2","4","2","3","3","1") = "3"
    & skf18("2","2","4","2","3","4","1") = "3"
    & skf18("2","2","4","2","3","5","1") = "4"
    & skf18("2","2","4","2","3","6","1") = "5"
    & skf18("2","2","4","2","3","7","1") = "6"
    & skf18("2","2","4","2","3","8","1") = "7"
    & skf18("2","2","4","2","3","9","1") = "8"
    & skf18("2","2","4","2","3","10","1") = "9"
    & skf18("2","2","4","2","4","1","1") = "3"
    & skf18("2","2","4","2","4","2","1") = "3"
    & skf18("2","2","4","2","4","3","1") = "3"
    & skf18("2","2","4","2","4","4","1") = "3"
    & skf18("2","2","4","2","4","5","1") = "4"
    & skf18("2","2","4","2","4","6","1") = "5"
    & skf18("2","2","4","2","4","7","1") = "6"
    & skf18("2","2","4","2","4","8","1") = "7"
    & skf18("2","2","4","2","4","9","1") = "8"
    & skf18("2","2","4","2","4","10","1") = "9"
    & skf18("2","2","4","2","5","1","1") = "4"
    & skf18("2","2","4","2","5","2","1") = "4"
    & skf18("2","2","4","2","5","3","1") = "4"
    & skf18("2","2","4","2","5","4","1") = "4"
    & skf18("2","2","4","2","5","5","1") = "4"
    & skf18("2","2","4","2","5","6","1") = "5"
    & skf18("2","2","4","2","5","7","1") = "6"
    & skf18("2","2","4","2","5","8","1") = "7"
    & skf18("2","2","4","2","5","9","1") = "8"
    & skf18("2","2","4","2","5","10","1") = "9"
    & skf18("2","2","4","2","6","1","1") = "5"
    & skf18("2","2","4","2","6","2","1") = "5"
    & skf18("2","2","4","2","6","3","1") = "5"
    & skf18("2","2","4","2","6","4","1") = "5"
    & skf18("2","2","4","2","6","5","1") = "5"
    & skf18("2","2","4","2","6","6","1") = "5"
    & skf18("2","2","4","2","6","7","1") = "6"
    & skf18("2","2","4","2","6","8","1") = "7"
    & skf18("2","2","4","2","6","9","1") = "8"
    & skf18("2","2","4","2","6","10","1") = "9"
    & skf18("2","2","4","2","7","1","1") = "6"
    & skf18("2","2","4","2","7","2","1") = "6"
    & skf18("2","2","4","2","7","3","1") = "6"
    & skf18("2","2","4","2","7","4","1") = "6"
    & skf18("2","2","4","2","7","5","1") = "6"
    & skf18("2","2","4","2","7","6","1") = "6"
    & skf18("2","2","4","2","7","7","1") = "6"
    & skf18("2","2","4","2","7","8","1") = "7"
    & skf18("2","2","4","2","7","9","1") = "8"
    & skf18("2","2","4","2","7","10","1") = "9"
    & skf18("2","2","4","2","8","1","1") = "7"
    & skf18("2","2","4","2","8","2","1") = "7"
    & skf18("2","2","4","2","8","3","1") = "7"
    & skf18("2","2","4","2","8","4","1") = "7"
    & skf18("2","2","4","2","8","5","1") = "7"
    & skf18("2","2","4","2","8","6","1") = "7"
    & skf18("2","2","4","2","8","7","1") = "7"
    & skf18("2","2","4","2","8","8","1") = "7"
    & skf18("2","2","4","2","8","9","1") = "8"
    & skf18("2","2","4","2","8","10","1") = "9"
    & skf18("2","2","4","2","9","1","1") = "8"
    & skf18("2","2","4","2","9","2","1") = "8"
    & skf18("2","2","4","2","9","3","1") = "8"
    & skf18("2","2","4","2","9","4","1") = "8"
    & skf18("2","2","4","2","9","5","1") = "8"
    & skf18("2","2","4","2","9","6","1") = "8"
    & skf18("2","2","4","2","9","7","1") = "8"
    & skf18("2","2","4","2","9","8","1") = "8"
    & skf18("2","2","4","2","9","9","1") = "8"
    & skf18("2","2","4","2","9","10","1") = "9"
    & skf18("2","2","4","2","10","1","1") = "9"
    & skf18("2","2","4","2","10","2","1") = "9"
    & skf18("2","2","4","2","10","3","1") = "9"
    & skf18("2","2","4","2","10","4","1") = "9"
    & skf18("2","2","4","2","10","5","1") = "9"
    & skf18("2","2","4","2","10","6","1") = "9"
    & skf18("2","2","4","2","10","7","1") = "9"
    & skf18("2","2","4","2","10","8","1") = "9"
    & skf18("2","2","4","2","10","9","1") = "9"
    & skf18("2","2","4","2","10","10","1") = "9"
    & skf18("2","2","4","3","1","1","1") = "3"
    & skf18("2","2","4","3","1","2","1") = "3"
    & skf18("2","2","4","3","1","3","1") = "3"
    & skf18("2","2","4","3","1","4","1") = "3"
    & skf18("2","2","4","3","1","5","1") = "4"
    & skf18("2","2","4","3","1","6","1") = "5"
    & skf18("2","2","4","3","1","7","1") = "6"
    & skf18("2","2","4","3","1","8","1") = "7"
    & skf18("2","2","4","3","1","9","1") = "8"
    & skf18("2","2","4","3","1","10","1") = "9"
    & skf18("2","2","4","3","2","1","1") = "3"
    & skf18("2","2","4","3","2","2","1") = "3"
    & skf18("2","2","4","3","2","3","1") = "3"
    & skf18("2","2","4","3","2","4","1") = "3"
    & skf18("2","2","4","3","2","5","1") = "4"
    & skf18("2","2","4","3","2","6","1") = "5"
    & skf18("2","2","4","3","2","7","1") = "6"
    & skf18("2","2","4","3","2","8","1") = "7"
    & skf18("2","2","4","3","2","9","1") = "8"
    & skf18("2","2","4","3","2","10","1") = "9"
    & skf18("2","2","4","3","3","1","1") = "3"
    & skf18("2","2","4","3","3","2","1") = "3"
    & skf18("2","2","4","3","3","3","1") = "3"
    & skf18("2","2","4","3","3","4","1") = "3"
    & skf18("2","2","4","3","3","5","1") = "4"
    & skf18("2","2","4","3","3","6","1") = "5"
    & skf18("2","2","4","3","3","7","1") = "6"
    & skf18("2","2","4","3","3","8","1") = "7"
    & skf18("2","2","4","3","3","9","1") = "8"
    & skf18("2","2","4","3","3","10","1") = "9"
    & skf18("2","2","4","3","4","1","1") = "3"
    & skf18("2","2","4","3","4","2","1") = "3"
    & skf18("2","2","4","3","4","3","1") = "3"
    & skf18("2","2","4","3","4","4","1") = "3"
    & skf18("2","2","4","3","4","5","1") = "4"
    & skf18("2","2","4","3","4","6","1") = "5"
    & skf18("2","2","4","3","4","7","1") = "6"
    & skf18("2","2","4","3","4","8","1") = "7"
    & skf18("2","2","4","3","4","9","1") = "8"
    & skf18("2","2","4","3","4","10","1") = "9"
    & skf18("2","2","4","3","5","1","1") = "4"
    & skf18("2","2","4","3","5","2","1") = "4"
    & skf18("2","2","4","3","5","3","1") = "4"
    & skf18("2","2","4","3","5","4","1") = "4"
    & skf18("2","2","4","3","5","5","1") = "4"
    & skf18("2","2","4","3","5","6","1") = "5"
    & skf18("2","2","4","3","5","7","1") = "6"
    & skf18("2","2","4","3","5","8","1") = "7"
    & skf18("2","2","4","3","5","9","1") = "8"
    & skf18("2","2","4","3","5","10","1") = "9"
    & skf18("2","2","4","3","6","1","1") = "5"
    & skf18("2","2","4","3","6","2","1") = "5"
    & skf18("2","2","4","3","6","3","1") = "5"
    & skf18("2","2","4","3","6","4","1") = "5"
    & skf18("2","2","4","3","6","5","1") = "5"
    & skf18("2","2","4","3","6","6","1") = "5"
    & skf18("2","2","4","3","6","7","1") = "6"
    & skf18("2","2","4","3","6","8","1") = "7"
    & skf18("2","2","4","3","6","9","1") = "8"
    & skf18("2","2","4","3","6","10","1") = "9"
    & skf18("2","2","4","3","7","1","1") = "6"
    & skf18("2","2","4","3","7","2","1") = "6"
    & skf18("2","2","4","3","7","3","1") = "6"
    & skf18("2","2","4","3","7","4","1") = "6"
    & skf18("2","2","4","3","7","5","1") = "6"
    & skf18("2","2","4","3","7","6","1") = "6"
    & skf18("2","2","4","3","7","7","1") = "6"
    & skf18("2","2","4","3","7","8","1") = "7"
    & skf18("2","2","4","3","7","9","1") = "8"
    & skf18("2","2","4","3","7","10","1") = "9"
    & skf18("2","2","4","3","8","1","1") = "7"
    & skf18("2","2","4","3","8","2","1") = "7"
    & skf18("2","2","4","3","8","3","1") = "7"
    & skf18("2","2","4","3","8","4","1") = "7"
    & skf18("2","2","4","3","8","5","1") = "7"
    & skf18("2","2","4","3","8","6","1") = "7"
    & skf18("2","2","4","3","8","7","1") = "7"
    & skf18("2","2","4","3","8","8","1") = "7"
    & skf18("2","2","4","3","8","9","1") = "8"
    & skf18("2","2","4","3","8","10","1") = "9"
    & skf18("2","2","4","3","9","1","1") = "8"
    & skf18("2","2","4","3","9","2","1") = "8"
    & skf18("2","2","4","3","9","3","1") = "8"
    & skf18("2","2","4","3","9","4","1") = "8"
    & skf18("2","2","4","3","9","5","1") = "8"
    & skf18("2","2","4","3","9","6","1") = "8"
    & skf18("2","2","4","3","9","7","1") = "8"
    & skf18("2","2","4","3","9","8","1") = "8"
    & skf18("2","2","4","3","9","9","1") = "8"
    & skf18("2","2","4","3","9","10","1") = "9"
    & skf18("2","2","4","3","10","1","1") = "9"
    & skf18("2","2","4","3","10","2","1") = "9"
    & skf18("2","2","4","3","10","3","1") = "9"
    & skf18("2","2","4","3","10","4","1") = "9"
    & skf18("2","2","4","3","10","5","1") = "9"
    & skf18("2","2","4","3","10","6","1") = "9"
    & skf18("2","2","4","3","10","7","1") = "9"
    & skf18("2","2","4","3","10","8","1") = "9"
    & skf18("2","2","4","3","10","9","1") = "9"
    & skf18("2","2","4","3","10","10","1") = "9"
    & skf18("2","2","4","4","1","1","1") = "3"
    & skf18("2","2","4","4","1","2","1") = "3"
    & skf18("2","2","4","4","1","3","1") = "3"
    & skf18("2","2","4","4","1","4","1") = "3"
    & skf18("2","2","4","4","1","5","1") = "4"
    & skf18("2","2","4","4","1","6","1") = "5"
    & skf18("2","2","4","4","1","7","1") = "6"
    & skf18("2","2","4","4","1","8","1") = "7"
    & skf18("2","2","4","4","1","9","1") = "8"
    & skf18("2","2","4","4","1","10","1") = "9"
    & skf18("2","2","4","4","2","1","1") = "3"
    & skf18("2","2","4","4","2","2","1") = "3"
    & skf18("2","2","4","4","2","3","1") = "3"
    & skf18("2","2","4","4","2","4","1") = "3"
    & skf18("2","2","4","4","2","5","1") = "4"
    & skf18("2","2","4","4","2","6","1") = "5"
    & skf18("2","2","4","4","2","7","1") = "6"
    & skf18("2","2","4","4","2","8","1") = "7"
    & skf18("2","2","4","4","2","9","1") = "8"
    & skf18("2","2","4","4","2","10","1") = "9"
    & skf18("2","2","4","4","3","1","1") = "3"
    & skf18("2","2","4","4","3","2","1") = "3"
    & skf18("2","2","4","4","3","3","1") = "3"
    & skf18("2","2","4","4","3","4","1") = "3"
    & skf18("2","2","4","4","3","5","1") = "4"
    & skf18("2","2","4","4","3","6","1") = "5"
    & skf18("2","2","4","4","3","7","1") = "6"
    & skf18("2","2","4","4","3","8","1") = "7"
    & skf18("2","2","4","4","3","9","1") = "8"
    & skf18("2","2","4","4","3","10","1") = "9"
    & skf18("2","2","4","4","4","1","1") = "3"
    & skf18("2","2","4","4","4","2","1") = "3"
    & skf18("2","2","4","4","4","3","1") = "3"
    & skf18("2","2","4","4","4","4","1") = "3"
    & skf18("2","2","4","4","4","5","1") = "4"
    & skf18("2","2","4","4","4","6","1") = "5"
    & skf18("2","2","4","4","4","7","1") = "6"
    & skf18("2","2","4","4","4","8","1") = "7"
    & skf18("2","2","4","4","4","9","1") = "8"
    & skf18("2","2","4","4","4","10","1") = "9"
    & skf18("2","2","4","4","5","1","1") = "4"
    & skf18("2","2","4","4","5","2","1") = "4"
    & skf18("2","2","4","4","5","3","1") = "4"
    & skf18("2","2","4","4","5","4","1") = "4"
    & skf18("2","2","4","4","5","5","1") = "4"
    & skf18("2","2","4","4","5","6","1") = "5"
    & skf18("2","2","4","4","5","7","1") = "6"
    & skf18("2","2","4","4","5","8","1") = "7"
    & skf18("2","2","4","4","5","9","1") = "8"
    & skf18("2","2","4","4","5","10","1") = "9"
    & skf18("2","2","4","4","6","1","1") = "5"
    & skf18("2","2","4","4","6","2","1") = "5"
    & skf18("2","2","4","4","6","3","1") = "5"
    & skf18("2","2","4","4","6","4","1") = "5"
    & skf18("2","2","4","4","6","5","1") = "5"
    & skf18("2","2","4","4","6","6","1") = "5"
    & skf18("2","2","4","4","6","7","1") = "6"
    & skf18("2","2","4","4","6","8","1") = "7"
    & skf18("2","2","4","4","6","9","1") = "8"
    & skf18("2","2","4","4","6","10","1") = "9"
    & skf18("2","2","4","4","7","1","1") = "6"
    & skf18("2","2","4","4","7","2","1") = "6"
    & skf18("2","2","4","4","7","3","1") = "6"
    & skf18("2","2","4","4","7","4","1") = "6"
    & skf18("2","2","4","4","7","5","1") = "6"
    & skf18("2","2","4","4","7","6","1") = "6"
    & skf18("2","2","4","4","7","7","1") = "6"
    & skf18("2","2","4","4","7","8","1") = "7"
    & skf18("2","2","4","4","7","9","1") = "8"
    & skf18("2","2","4","4","7","10","1") = "9"
    & skf18("2","2","4","4","8","1","1") = "7"
    & skf18("2","2","4","4","8","2","1") = "7"
    & skf18("2","2","4","4","8","3","1") = "7"
    & skf18("2","2","4","4","8","4","1") = "7"
    & skf18("2","2","4","4","8","5","1") = "7"
    & skf18("2","2","4","4","8","6","1") = "7"
    & skf18("2","2","4","4","8","7","1") = "7"
    & skf18("2","2","4","4","8","8","1") = "7"
    & skf18("2","2","4","4","8","9","1") = "8"
    & skf18("2","2","4","4","8","10","1") = "9"
    & skf18("2","2","4","4","9","1","1") = "8"
    & skf18("2","2","4","4","9","2","1") = "8"
    & skf18("2","2","4","4","9","3","1") = "8"
    & skf18("2","2","4","4","9","4","1") = "8"
    & skf18("2","2","4","4","9","5","1") = "8"
    & skf18("2","2","4","4","9","6","1") = "8"
    & skf18("2","2","4","4","9","7","1") = "8"
    & skf18("2","2","4","4","9","8","1") = "8"
    & skf18("2","2","4","4","9","9","1") = "8"
    & skf18("2","2","4","4","9","10","1") = "9"
    & skf18("2","2","4","4","10","1","1") = "9"
    & skf18("2","2","4","4","10","2","1") = "9"
    & skf18("2","2","4","4","10","3","1") = "9"
    & skf18("2","2","4","4","10","4","1") = "9"
    & skf18("2","2","4","4","10","5","1") = "9"
    & skf18("2","2","4","4","10","6","1") = "9"
    & skf18("2","2","4","4","10","7","1") = "9"
    & skf18("2","2","4","4","10","8","1") = "9"
    & skf18("2","2","4","4","10","9","1") = "9"
    & skf18("2","2","4","4","10","10","1") = "9"
    & skf18("2","2","4","5","1","1","1") = "4"
    & skf18("2","2","4","5","1","2","1") = "4"
    & skf18("2","2","4","5","1","3","1") = "4"
    & skf18("2","2","4","5","1","4","1") = "4"
    & skf18("2","2","4","5","1","5","1") = "4"
    & skf18("2","2","4","5","1","6","1") = "5"
    & skf18("2","2","4","5","1","7","1") = "6"
    & skf18("2","2","4","5","1","8","1") = "7"
    & skf18("2","2","4","5","1","9","1") = "8"
    & skf18("2","2","4","5","1","10","1") = "9"
    & skf18("2","2","4","5","2","1","1") = "4"
    & skf18("2","2","4","5","2","2","1") = "4"
    & skf18("2","2","4","5","2","3","1") = "4"
    & skf18("2","2","4","5","2","4","1") = "4"
    & skf18("2","2","4","5","2","5","1") = "4"
    & skf18("2","2","4","5","2","6","1") = "5"
    & skf18("2","2","4","5","2","7","1") = "6"
    & skf18("2","2","4","5","2","8","1") = "7"
    & skf18("2","2","4","5","2","9","1") = "8"
    & skf18("2","2","4","5","2","10","1") = "9"
    & skf18("2","2","4","5","3","1","1") = "4"
    & skf18("2","2","4","5","3","2","1") = "4"
    & skf18("2","2","4","5","3","3","1") = "4"
    & skf18("2","2","4","5","3","4","1") = "4"
    & skf18("2","2","4","5","3","5","1") = "4"
    & skf18("2","2","4","5","3","6","1") = "5"
    & skf18("2","2","4","5","3","7","1") = "6"
    & skf18("2","2","4","5","3","8","1") = "7"
    & skf18("2","2","4","5","3","9","1") = "8"
    & skf18("2","2","4","5","3","10","1") = "9"
    & skf18("2","2","4","5","4","1","1") = "4"
    & skf18("2","2","4","5","4","2","1") = "4"
    & skf18("2","2","4","5","4","3","1") = "4"
    & skf18("2","2","4","5","4","4","1") = "4"
    & skf18("2","2","4","5","4","5","1") = "4"
    & skf18("2","2","4","5","4","6","1") = "5"
    & skf18("2","2","4","5","4","7","1") = "6"
    & skf18("2","2","4","5","4","8","1") = "7"
    & skf18("2","2","4","5","4","9","1") = "8"
    & skf18("2","2","4","5","4","10","1") = "9"
    & skf18("2","2","4","5","5","1","1") = "4"
    & skf18("2","2","4","5","5","2","1") = "4"
    & skf18("2","2","4","5","5","3","1") = "4"
    & skf18("2","2","4","5","5","4","1") = "4"
    & skf18("2","2","4","5","5","5","1") = "4"
    & skf18("2","2","4","5","5","6","1") = "5"
    & skf18("2","2","4","5","5","7","1") = "6"
    & skf18("2","2","4","5","5","8","1") = "7"
    & skf18("2","2","4","5","5","9","1") = "8"
    & skf18("2","2","4","5","5","10","1") = "9"
    & skf18("2","2","4","5","6","1","1") = "5"
    & skf18("2","2","4","5","6","2","1") = "5"
    & skf18("2","2","4","5","6","3","1") = "5"
    & skf18("2","2","4","5","6","4","1") = "5"
    & skf18("2","2","4","5","6","5","1") = "5"
    & skf18("2","2","4","5","6","6","1") = "5"
    & skf18("2","2","4","5","6","7","1") = "6"
    & skf18("2","2","4","5","6","8","1") = "7"
    & skf18("2","2","4","5","6","9","1") = "8"
    & skf18("2","2","4","5","6","10","1") = "9"
    & skf18("2","2","4","5","7","1","1") = "6"
    & skf18("2","2","4","5","7","2","1") = "6"
    & skf18("2","2","4","5","7","3","1") = "6"
    & skf18("2","2","4","5","7","4","1") = "6"
    & skf18("2","2","4","5","7","5","1") = "6"
    & skf18("2","2","4","5","7","6","1") = "6"
    & skf18("2","2","4","5","7","7","1") = "6"
    & skf18("2","2","4","5","7","8","1") = "7"
    & skf18("2","2","4","5","7","9","1") = "8"
    & skf18("2","2","4","5","7","10","1") = "9"
    & skf18("2","2","4","5","8","1","1") = "7"
    & skf18("2","2","4","5","8","2","1") = "7"
    & skf18("2","2","4","5","8","3","1") = "7"
    & skf18("2","2","4","5","8","4","1") = "7"
    & skf18("2","2","4","5","8","5","1") = "7"
    & skf18("2","2","4","5","8","6","1") = "7"
    & skf18("2","2","4","5","8","7","1") = "7"
    & skf18("2","2","4","5","8","8","1") = "7"
    & skf18("2","2","4","5","8","9","1") = "8"
    & skf18("2","2","4","5","8","10","1") = "9"
    & skf18("2","2","4","5","9","1","1") = "8"
    & skf18("2","2","4","5","9","2","1") = "8"
    & skf18("2","2","4","5","9","3","1") = "8"
    & skf18("2","2","4","5","9","4","1") = "8"
    & skf18("2","2","4","5","9","5","1") = "8"
    & skf18("2","2","4","5","9","6","1") = "8"
    & skf18("2","2","4","5","9","7","1") = "8"
    & skf18("2","2","4","5","9","8","1") = "8"
    & skf18("2","2","4","5","9","9","1") = "8"
    & skf18("2","2","4","5","9","10","1") = "9"
    & skf18("2","2","4","5","10","1","1") = "9"
    & skf18("2","2","4","5","10","2","1") = "9"
    & skf18("2","2","4","5","10","3","1") = "9"
    & skf18("2","2","4","5","10","4","1") = "9"
    & skf18("2","2","4","5","10","5","1") = "9"
    & skf18("2","2","4","5","10","6","1") = "9"
    & skf18("2","2","4","5","10","7","1") = "9"
    & skf18("2","2","4","5","10","8","1") = "9"
    & skf18("2","2","4","5","10","9","1") = "9"
    & skf18("2","2","4","5","10","10","1") = "9"
    & skf18("2","2","4","6","1","1","1") = "5"
    & skf18("2","2","4","6","1","2","1") = "5"
    & skf18("2","2","4","6","1","3","1") = "5"
    & skf18("2","2","4","6","1","4","1") = "5"
    & skf18("2","2","4","6","1","5","1") = "5"
    & skf18("2","2","4","6","1","6","1") = "5"
    & skf18("2","2","4","6","1","7","1") = "6"
    & skf18("2","2","4","6","1","8","1") = "7"
    & skf18("2","2","4","6","1","9","1") = "8"
    & skf18("2","2","4","6","1","10","1") = "9"
    & skf18("2","2","4","6","2","1","1") = "5"
    & skf18("2","2","4","6","2","2","1") = "5"
    & skf18("2","2","4","6","2","3","1") = "5"
    & skf18("2","2","4","6","2","4","1") = "5"
    & skf18("2","2","4","6","2","5","1") = "5"
    & skf18("2","2","4","6","2","6","1") = "5"
    & skf18("2","2","4","6","2","7","1") = "6"
    & skf18("2","2","4","6","2","8","1") = "7"
    & skf18("2","2","4","6","2","9","1") = "8"
    & skf18("2","2","4","6","2","10","1") = "9"
    & skf18("2","2","4","6","3","1","1") = "5"
    & skf18("2","2","4","6","3","2","1") = "5"
    & skf18("2","2","4","6","3","3","1") = "5"
    & skf18("2","2","4","6","3","4","1") = "5"
    & skf18("2","2","4","6","3","5","1") = "5"
    & skf18("2","2","4","6","3","6","1") = "5"
    & skf18("2","2","4","6","3","7","1") = "6"
    & skf18("2","2","4","6","3","8","1") = "7"
    & skf18("2","2","4","6","3","9","1") = "8"
    & skf18("2","2","4","6","3","10","1") = "9"
    & skf18("2","2","4","6","4","1","1") = "5"
    & skf18("2","2","4","6","4","2","1") = "5"
    & skf18("2","2","4","6","4","3","1") = "5"
    & skf18("2","2","4","6","4","4","1") = "5"
    & skf18("2","2","4","6","4","5","1") = "5"
    & skf18("2","2","4","6","4","6","1") = "5"
    & skf18("2","2","4","6","4","7","1") = "6"
    & skf18("2","2","4","6","4","8","1") = "7"
    & skf18("2","2","4","6","4","9","1") = "8"
    & skf18("2","2","4","6","4","10","1") = "9"
    & skf18("2","2","4","6","5","1","1") = "5"
    & skf18("2","2","4","6","5","2","1") = "5"
    & skf18("2","2","4","6","5","3","1") = "5"
    & skf18("2","2","4","6","5","4","1") = "5"
    & skf18("2","2","4","6","5","5","1") = "5"
    & skf18("2","2","4","6","5","6","1") = "5"
    & skf18("2","2","4","6","5","7","1") = "6"
    & skf18("2","2","4","6","5","8","1") = "7"
    & skf18("2","2","4","6","5","9","1") = "8"
    & skf18("2","2","4","6","5","10","1") = "9"
    & skf18("2","2","4","6","6","1","1") = "5"
    & skf18("2","2","4","6","6","2","1") = "5"
    & skf18("2","2","4","6","6","3","1") = "5"
    & skf18("2","2","4","6","6","4","1") = "5"
    & skf18("2","2","4","6","6","5","1") = "5"
    & skf18("2","2","4","6","6","6","1") = "5"
    & skf18("2","2","4","6","6","7","1") = "6"
    & skf18("2","2","4","6","6","8","1") = "7"
    & skf18("2","2","4","6","6","9","1") = "8"
    & skf18("2","2","4","6","6","10","1") = "9"
    & skf18("2","2","4","6","7","1","1") = "6"
    & skf18("2","2","4","6","7","2","1") = "6"
    & skf18("2","2","4","6","7","3","1") = "6"
    & skf18("2","2","4","6","7","4","1") = "6"
    & skf18("2","2","4","6","7","5","1") = "6"
    & skf18("2","2","4","6","7","6","1") = "6"
    & skf18("2","2","4","6","7","7","1") = "6"
    & skf18("2","2","4","6","7","8","1") = "7"
    & skf18("2","2","4","6","7","9","1") = "8"
    & skf18("2","2","4","6","7","10","1") = "9"
    & skf18("2","2","4","6","8","1","1") = "7"
    & skf18("2","2","4","6","8","2","1") = "7"
    & skf18("2","2","4","6","8","3","1") = "7"
    & skf18("2","2","4","6","8","4","1") = "7"
    & skf18("2","2","4","6","8","5","1") = "7"
    & skf18("2","2","4","6","8","6","1") = "7"
    & skf18("2","2","4","6","8","7","1") = "7"
    & skf18("2","2","4","6","8","8","1") = "7"
    & skf18("2","2","4","6","8","9","1") = "8"
    & skf18("2","2","4","6","8","10","1") = "9"
    & skf18("2","2","4","6","9","1","1") = "8"
    & skf18("2","2","4","6","9","2","1") = "8"
    & skf18("2","2","4","6","9","3","1") = "8"
    & skf18("2","2","4","6","9","4","1") = "8"
    & skf18("2","2","4","6","9","5","1") = "8"
    & skf18("2","2","4","6","9","6","1") = "8"
    & skf18("2","2","4","6","9","7","1") = "8"
    & skf18("2","2","4","6","9","8","1") = "8"
    & skf18("2","2","4","6","9","9","1") = "8"
    & skf18("2","2","4","6","9","10","1") = "9"
    & skf18("2","2","4","6","10","1","1") = "9"
    & skf18("2","2","4","6","10","2","1") = "9"
    & skf18("2","2","4","6","10","3","1") = "9"
    & skf18("2","2","4","6","10","4","1") = "9"
    & skf18("2","2","4","6","10","5","1") = "9"
    & skf18("2","2","4","6","10","6","1") = "9"
    & skf18("2","2","4","6","10","7","1") = "9"
    & skf18("2","2","4","6","10","8","1") = "9"
    & skf18("2","2","4","6","10","9","1") = "9"
    & skf18("2","2","4","6","10","10","1") = "9"
    & skf18("2","2","4","7","1","1","1") = "6"
    & skf18("2","2","4","7","1","2","1") = "6"
    & skf18("2","2","4","7","1","3","1") = "6"
    & skf18("2","2","4","7","1","4","1") = "6"
    & skf18("2","2","4","7","1","5","1") = "6"
    & skf18("2","2","4","7","1","6","1") = "6"
    & skf18("2","2","4","7","1","7","1") = "6"
    & skf18("2","2","4","7","1","8","1") = "7"
    & skf18("2","2","4","7","1","9","1") = "8"
    & skf18("2","2","4","7","1","10","1") = "9"
    & skf18("2","2","4","7","2","1","1") = "6"
    & skf18("2","2","4","7","2","2","1") = "6"
    & skf18("2","2","4","7","2","3","1") = "6"
    & skf18("2","2","4","7","2","4","1") = "6"
    & skf18("2","2","4","7","2","5","1") = "6"
    & skf18("2","2","4","7","2","6","1") = "6"
    & skf18("2","2","4","7","2","7","1") = "6"
    & skf18("2","2","4","7","2","8","1") = "7"
    & skf18("2","2","4","7","2","9","1") = "8"
    & skf18("2","2","4","7","2","10","1") = "9"
    & skf18("2","2","4","7","3","1","1") = "6"
    & skf18("2","2","4","7","3","2","1") = "6"
    & skf18("2","2","4","7","3","3","1") = "6"
    & skf18("2","2","4","7","3","4","1") = "6"
    & skf18("2","2","4","7","3","5","1") = "6"
    & skf18("2","2","4","7","3","6","1") = "6"
    & skf18("2","2","4","7","3","7","1") = "6"
    & skf18("2","2","4","7","3","8","1") = "7"
    & skf18("2","2","4","7","3","9","1") = "8"
    & skf18("2","2","4","7","3","10","1") = "9"
    & skf18("2","2","4","7","4","1","1") = "6"
    & skf18("2","2","4","7","4","2","1") = "6"
    & skf18("2","2","4","7","4","3","1") = "6"
    & skf18("2","2","4","7","4","4","1") = "6"
    & skf18("2","2","4","7","4","5","1") = "6"
    & skf18("2","2","4","7","4","6","1") = "6"
    & skf18("2","2","4","7","4","7","1") = "6"
    & skf18("2","2","4","7","4","8","1") = "7"
    & skf18("2","2","4","7","4","9","1") = "8"
    & skf18("2","2","4","7","4","10","1") = "9"
    & skf18("2","2","4","7","5","1","1") = "6"
    & skf18("2","2","4","7","5","2","1") = "6"
    & skf18("2","2","4","7","5","3","1") = "6"
    & skf18("2","2","4","7","5","4","1") = "6"
    & skf18("2","2","4","7","5","5","1") = "6"
    & skf18("2","2","4","7","5","6","1") = "6"
    & skf18("2","2","4","7","5","7","1") = "6"
    & skf18("2","2","4","7","5","8","1") = "7"
    & skf18("2","2","4","7","5","9","1") = "8"
    & skf18("2","2","4","7","5","10","1") = "9"
    & skf18("2","2","4","7","6","1","1") = "6"
    & skf18("2","2","4","7","6","2","1") = "6"
    & skf18("2","2","4","7","6","3","1") = "6"
    & skf18("2","2","4","7","6","4","1") = "6"
    & skf18("2","2","4","7","6","5","1") = "6"
    & skf18("2","2","4","7","6","6","1") = "6"
    & skf18("2","2","4","7","6","7","1") = "6"
    & skf18("2","2","4","7","6","8","1") = "7"
    & skf18("2","2","4","7","6","9","1") = "8"
    & skf18("2","2","4","7","6","10","1") = "9"
    & skf18("2","2","4","7","7","1","1") = "6"
    & skf18("2","2","4","7","7","2","1") = "6"
    & skf18("2","2","4","7","7","3","1") = "6"
    & skf18("2","2","4","7","7","4","1") = "6"
    & skf18("2","2","4","7","7","5","1") = "6"
    & skf18("2","2","4","7","7","6","1") = "6"
    & skf18("2","2","4","7","7","7","1") = "6"
    & skf18("2","2","4","7","7","8","1") = "7"
    & skf18("2","2","4","7","7","9","1") = "8"
    & skf18("2","2","4","7","7","10","1") = "9"
    & skf18("2","2","4","7","8","1","1") = "7"
    & skf18("2","2","4","7","8","2","1") = "7"
    & skf18("2","2","4","7","8","3","1") = "7"
    & skf18("2","2","4","7","8","4","1") = "7"
    & skf18("2","2","4","7","8","5","1") = "7"
    & skf18("2","2","4","7","8","6","1") = "7"
    & skf18("2","2","4","7","8","7","1") = "7"
    & skf18("2","2","4","7","8","8","1") = "7"
    & skf18("2","2","4","7","8","9","1") = "8"
    & skf18("2","2","4","7","8","10","1") = "9"
    & skf18("2","2","4","7","9","1","1") = "8"
    & skf18("2","2","4","7","9","2","1") = "8"
    & skf18("2","2","4","7","9","3","1") = "8"
    & skf18("2","2","4","7","9","4","1") = "8"
    & skf18("2","2","4","7","9","5","1") = "8"
    & skf18("2","2","4","7","9","6","1") = "8"
    & skf18("2","2","4","7","9","7","1") = "8"
    & skf18("2","2","4","7","9","8","1") = "8"
    & skf18("2","2","4","7","9","9","1") = "8"
    & skf18("2","2","4","7","9","10","1") = "9"
    & skf18("2","2","4","7","10","1","1") = "9"
    & skf18("2","2","4","7","10","2","1") = "9"
    & skf18("2","2","4","7","10","3","1") = "9"
    & skf18("2","2","4","7","10","4","1") = "9"
    & skf18("2","2","4","7","10","5","1") = "9"
    & skf18("2","2","4","7","10","6","1") = "9"
    & skf18("2","2","4","7","10","7","1") = "9"
    & skf18("2","2","4","7","10","8","1") = "9"
    & skf18("2","2","4","7","10","9","1") = "9"
    & skf18("2","2","4","7","10","10","1") = "9"
    & skf18("2","2","4","8","1","1","1") = "7"
    & skf18("2","2","4","8","1","2","1") = "7"
    & skf18("2","2","4","8","1","3","1") = "7"
    & skf18("2","2","4","8","1","4","1") = "7"
    & skf18("2","2","4","8","1","5","1") = "7"
    & skf18("2","2","4","8","1","6","1") = "7"
    & skf18("2","2","4","8","1","7","1") = "7"
    & skf18("2","2","4","8","1","8","1") = "7"
    & skf18("2","2","4","8","1","9","1") = "8"
    & skf18("2","2","4","8","1","10","1") = "9"
    & skf18("2","2","4","8","2","1","1") = "7"
    & skf18("2","2","4","8","2","2","1") = "7"
    & skf18("2","2","4","8","2","3","1") = "7"
    & skf18("2","2","4","8","2","4","1") = "7"
    & skf18("2","2","4","8","2","5","1") = "7"
    & skf18("2","2","4","8","2","6","1") = "7"
    & skf18("2","2","4","8","2","7","1") = "7"
    & skf18("2","2","4","8","2","8","1") = "7"
    & skf18("2","2","4","8","2","9","1") = "8"
    & skf18("2","2","4","8","2","10","1") = "9"
    & skf18("2","2","4","8","3","1","1") = "7"
    & skf18("2","2","4","8","3","2","1") = "7"
    & skf18("2","2","4","8","3","3","1") = "7"
    & skf18("2","2","4","8","3","4","1") = "7"
    & skf18("2","2","4","8","3","5","1") = "7"
    & skf18("2","2","4","8","3","6","1") = "7"
    & skf18("2","2","4","8","3","7","1") = "7"
    & skf18("2","2","4","8","3","8","1") = "7"
    & skf18("2","2","4","8","3","9","1") = "8"
    & skf18("2","2","4","8","3","10","1") = "9"
    & skf18("2","2","4","8","4","1","1") = "7"
    & skf18("2","2","4","8","4","2","1") = "7"
    & skf18("2","2","4","8","4","3","1") = "7"
    & skf18("2","2","4","8","4","4","1") = "7"
    & skf18("2","2","4","8","4","5","1") = "7"
    & skf18("2","2","4","8","4","6","1") = "7"
    & skf18("2","2","4","8","4","7","1") = "7"
    & skf18("2","2","4","8","4","8","1") = "7"
    & skf18("2","2","4","8","4","9","1") = "8"
    & skf18("2","2","4","8","4","10","1") = "9"
    & skf18("2","2","4","8","5","1","1") = "7"
    & skf18("2","2","4","8","5","2","1") = "7"
    & skf18("2","2","4","8","5","3","1") = "7"
    & skf18("2","2","4","8","5","4","1") = "7"
    & skf18("2","2","4","8","5","5","1") = "7"
    & skf18("2","2","4","8","5","6","1") = "7"
    & skf18("2","2","4","8","5","7","1") = "7"
    & skf18("2","2","4","8","5","8","1") = "7"
    & skf18("2","2","4","8","5","9","1") = "8"
    & skf18("2","2","4","8","5","10","1") = "9"
    & skf18("2","2","4","8","6","1","1") = "7"
    & skf18("2","2","4","8","6","2","1") = "7"
    & skf18("2","2","4","8","6","3","1") = "7"
    & skf18("2","2","4","8","6","4","1") = "7"
    & skf18("2","2","4","8","6","5","1") = "7"
    & skf18("2","2","4","8","6","6","1") = "7"
    & skf18("2","2","4","8","6","7","1") = "7"
    & skf18("2","2","4","8","6","8","1") = "7"
    & skf18("2","2","4","8","6","9","1") = "8"
    & skf18("2","2","4","8","6","10","1") = "9"
    & skf18("2","2","4","8","7","1","1") = "7"
    & skf18("2","2","4","8","7","2","1") = "7"
    & skf18("2","2","4","8","7","3","1") = "7"
    & skf18("2","2","4","8","7","4","1") = "7"
    & skf18("2","2","4","8","7","5","1") = "7"
    & skf18("2","2","4","8","7","6","1") = "7"
    & skf18("2","2","4","8","7","7","1") = "7"
    & skf18("2","2","4","8","7","8","1") = "7"
    & skf18("2","2","4","8","7","9","1") = "8"
    & skf18("2","2","4","8","7","10","1") = "9"
    & skf18("2","2","4","8","8","1","1") = "7"
    & skf18("2","2","4","8","8","2","1") = "7"
    & skf18("2","2","4","8","8","3","1") = "7"
    & skf18("2","2","4","8","8","4","1") = "7"
    & skf18("2","2","4","8","8","5","1") = "7"
    & skf18("2","2","4","8","8","6","1") = "7"
    & skf18("2","2","4","8","8","7","1") = "7"
    & skf18("2","2","4","8","8","8","1") = "7"
    & skf18("2","2","4","8","8","9","1") = "8"
    & skf18("2","2","4","8","8","10","1") = "9"
    & skf18("2","2","4","8","9","1","1") = "8"
    & skf18("2","2","4","8","9","2","1") = "8"
    & skf18("2","2","4","8","9","3","1") = "8"
    & skf18("2","2","4","8","9","4","1") = "8"
    & skf18("2","2","4","8","9","5","1") = "8"
    & skf18("2","2","4","8","9","6","1") = "8"
    & skf18("2","2","4","8","9","7","1") = "8"
    & skf18("2","2","4","8","9","8","1") = "8"
    & skf18("2","2","4","8","9","9","1") = "8"
    & skf18("2","2","4","8","9","10","1") = "9"
    & skf18("2","2","4","8","10","1","1") = "9"
    & skf18("2","2","4","8","10","2","1") = "9"
    & skf18("2","2","4","8","10","3","1") = "9"
    & skf18("2","2","4","8","10","4","1") = "9"
    & skf18("2","2","4","8","10","5","1") = "9"
    & skf18("2","2","4","8","10","6","1") = "9"
    & skf18("2","2","4","8","10","7","1") = "9"
    & skf18("2","2","4","8","10","8","1") = "9"
    & skf18("2","2","4","8","10","9","1") = "9"
    & skf18("2","2","4","8","10","10","1") = "9"
    & skf18("2","2","4","9","1","1","1") = "8"
    & skf18("2","2","4","9","1","2","1") = "8"
    & skf18("2","2","4","9","1","3","1") = "8"
    & skf18("2","2","4","9","1","4","1") = "8"
    & skf18("2","2","4","9","1","5","1") = "8"
    & skf18("2","2","4","9","1","6","1") = "8"
    & skf18("2","2","4","9","1","7","1") = "8"
    & skf18("2","2","4","9","1","8","1") = "8"
    & skf18("2","2","4","9","1","9","1") = "8"
    & skf18("2","2","4","9","1","10","1") = "9"
    & skf18("2","2","4","9","2","1","1") = "8"
    & skf18("2","2","4","9","2","2","1") = "8"
    & skf18("2","2","4","9","2","3","1") = "8"
    & skf18("2","2","4","9","2","4","1") = "8"
    & skf18("2","2","4","9","2","5","1") = "8"
    & skf18("2","2","4","9","2","6","1") = "8"
    & skf18("2","2","4","9","2","7","1") = "8"
    & skf18("2","2","4","9","2","8","1") = "8"
    & skf18("2","2","4","9","2","9","1") = "8"
    & skf18("2","2","4","9","2","10","1") = "9"
    & skf18("2","2","4","9","3","1","1") = "8"
    & skf18("2","2","4","9","3","2","1") = "8"
    & skf18("2","2","4","9","3","3","1") = "8"
    & skf18("2","2","4","9","3","4","1") = "8"
    & skf18("2","2","4","9","3","5","1") = "8"
    & skf18("2","2","4","9","3","6","1") = "8"
    & skf18("2","2","4","9","3","7","1") = "8"
    & skf18("2","2","4","9","3","8","1") = "8"
    & skf18("2","2","4","9","3","9","1") = "8"
    & skf18("2","2","4","9","3","10","1") = "9"
    & skf18("2","2","4","9","4","1","1") = "8"
    & skf18("2","2","4","9","4","2","1") = "8"
    & skf18("2","2","4","9","4","3","1") = "8"
    & skf18("2","2","4","9","4","4","1") = "8"
    & skf18("2","2","4","9","4","5","1") = "8"
    & skf18("2","2","4","9","4","6","1") = "8"
    & skf18("2","2","4","9","4","7","1") = "8"
    & skf18("2","2","4","9","4","8","1") = "8"
    & skf18("2","2","4","9","4","9","1") = "8"
    & skf18("2","2","4","9","4","10","1") = "9"
    & skf18("2","2","4","9","5","1","1") = "8"
    & skf18("2","2","4","9","5","2","1") = "8"
    & skf18("2","2","4","9","5","3","1") = "8"
    & skf18("2","2","4","9","5","4","1") = "8"
    & skf18("2","2","4","9","5","5","1") = "8"
    & skf18("2","2","4","9","5","6","1") = "8"
    & skf18("2","2","4","9","5","7","1") = "8"
    & skf18("2","2","4","9","5","8","1") = "8"
    & skf18("2","2","4","9","5","9","1") = "8"
    & skf18("2","2","4","9","5","10","1") = "9"
    & skf18("2","2","4","9","6","1","1") = "8"
    & skf18("2","2","4","9","6","2","1") = "8"
    & skf18("2","2","4","9","6","3","1") = "8"
    & skf18("2","2","4","9","6","4","1") = "8"
    & skf18("2","2","4","9","6","5","1") = "8"
    & skf18("2","2","4","9","6","6","1") = "8"
    & skf18("2","2","4","9","6","7","1") = "8"
    & skf18("2","2","4","9","6","8","1") = "8"
    & skf18("2","2","4","9","6","9","1") = "8"
    & skf18("2","2","4","9","6","10","1") = "9"
    & skf18("2","2","4","9","7","1","1") = "8"
    & skf18("2","2","4","9","7","2","1") = "8"
    & skf18("2","2","4","9","7","3","1") = "8"
    & skf18("2","2","4","9","7","4","1") = "8"
    & skf18("2","2","4","9","7","5","1") = "8"
    & skf18("2","2","4","9","7","6","1") = "8"
    & skf18("2","2","4","9","7","7","1") = "8"
    & skf18("2","2","4","9","7","8","1") = "8"
    & skf18("2","2","4","9","7","9","1") = "8"
    & skf18("2","2","4","9","7","10","1") = "9"
    & skf18("2","2","4","9","8","1","1") = "8"
    & skf18("2","2","4","9","8","2","1") = "8"
    & skf18("2","2","4","9","8","3","1") = "8"
    & skf18("2","2","4","9","8","4","1") = "8"
    & skf18("2","2","4","9","8","5","1") = "8"
    & skf18("2","2","4","9","8","6","1") = "8"
    & skf18("2","2","4","9","8","7","1") = "8"
    & skf18("2","2","4","9","8","8","1") = "8"
    & skf18("2","2","4","9","8","9","1") = "8"
    & skf18("2","2","4","9","8","10","1") = "9"
    & skf18("2","2","4","9","9","1","1") = "8"
    & skf18("2","2","4","9","9","2","1") = "8"
    & skf18("2","2","4","9","9","3","1") = "8"
    & skf18("2","2","4","9","9","4","1") = "8"
    & skf18("2","2","4","9","9","5","1") = "8"
    & skf18("2","2","4","9","9","6","1") = "8"
    & skf18("2","2","4","9","9","7","1") = "8"
    & skf18("2","2","4","9","9","8","1") = "8"
    & skf18("2","2","4","9","9","9","1") = "8"
    & skf18("2","2","4","9","9","10","1") = "9"
    & skf18("2","2","4","9","10","1","1") = "9"
    & skf18("2","2","4","9","10","2","1") = "9"
    & skf18("2","2","4","9","10","3","1") = "9"
    & skf18("2","2","4","9","10","4","1") = "9"
    & skf18("2","2","4","9","10","5","1") = "9"
    & skf18("2","2","4","9","10","6","1") = "9"
    & skf18("2","2","4","9","10","7","1") = "9"
    & skf18("2","2","4","9","10","8","1") = "9"
    & skf18("2","2","4","9","10","9","1") = "9"
    & skf18("2","2","4","9","10","10","1") = "9"
    & skf18("2","2","4","10","1","1","1") = "9"
    & skf18("2","2","4","10","1","2","1") = "9"
    & skf18("2","2","4","10","1","3","1") = "9"
    & skf18("2","2","4","10","1","4","1") = "9"
    & skf18("2","2","4","10","1","5","1") = "9"
    & skf18("2","2","4","10","1","6","1") = "9"
    & skf18("2","2","4","10","1","7","1") = "9"
    & skf18("2","2","4","10","1","8","1") = "9"
    & skf18("2","2","4","10","1","9","1") = "9"
    & skf18("2","2","4","10","1","10","1") = "9"
    & skf18("2","2","4","10","2","1","1") = "9"
    & skf18("2","2","4","10","2","2","1") = "9"
    & skf18("2","2","4","10","2","3","1") = "9"
    & skf18("2","2","4","10","2","4","1") = "9"
    & skf18("2","2","4","10","2","5","1") = "9"
    & skf18("2","2","4","10","2","6","1") = "9"
    & skf18("2","2","4","10","2","7","1") = "9"
    & skf18("2","2","4","10","2","8","1") = "9"
    & skf18("2","2","4","10","2","9","1") = "9"
    & skf18("2","2","4","10","2","10","1") = "9"
    & skf18("2","2","4","10","3","1","1") = "9"
    & skf18("2","2","4","10","3","2","1") = "9"
    & skf18("2","2","4","10","3","3","1") = "9"
    & skf18("2","2","4","10","3","4","1") = "9"
    & skf18("2","2","4","10","3","5","1") = "9"
    & skf18("2","2","4","10","3","6","1") = "9"
    & skf18("2","2","4","10","3","7","1") = "9"
    & skf18("2","2","4","10","3","8","1") = "9"
    & skf18("2","2","4","10","3","9","1") = "9"
    & skf18("2","2","4","10","3","10","1") = "9"
    & skf18("2","2","4","10","4","1","1") = "9"
    & skf18("2","2","4","10","4","2","1") = "9"
    & skf18("2","2","4","10","4","3","1") = "9"
    & skf18("2","2","4","10","4","4","1") = "9"
    & skf18("2","2","4","10","4","5","1") = "9"
    & skf18("2","2","4","10","4","6","1") = "9"
    & skf18("2","2","4","10","4","7","1") = "9"
    & skf18("2","2","4","10","4","8","1") = "9"
    & skf18("2","2","4","10","4","9","1") = "9"
    & skf18("2","2","4","10","4","10","1") = "9"
    & skf18("2","2","4","10","5","1","1") = "9"
    & skf18("2","2","4","10","5","2","1") = "9"
    & skf18("2","2","4","10","5","3","1") = "9"
    & skf18("2","2","4","10","5","4","1") = "9"
    & skf18("2","2","4","10","5","5","1") = "9"
    & skf18("2","2","4","10","5","6","1") = "9"
    & skf18("2","2","4","10","5","7","1") = "9"
    & skf18("2","2","4","10","5","8","1") = "9"
    & skf18("2","2","4","10","5","9","1") = "9"
    & skf18("2","2","4","10","5","10","1") = "9"
    & skf18("2","2","4","10","6","1","1") = "9"
    & skf18("2","2","4","10","6","2","1") = "9"
    & skf18("2","2","4","10","6","3","1") = "9"
    & skf18("2","2","4","10","6","4","1") = "9"
    & skf18("2","2","4","10","6","5","1") = "9"
    & skf18("2","2","4","10","6","6","1") = "9"
    & skf18("2","2","4","10","6","7","1") = "9"
    & skf18("2","2","4","10","6","8","1") = "9"
    & skf18("2","2","4","10","6","9","1") = "9"
    & skf18("2","2","4","10","6","10","1") = "9"
    & skf18("2","2","4","10","7","1","1") = "9"
    & skf18("2","2","4","10","7","2","1") = "9"
    & skf18("2","2","4","10","7","3","1") = "9"
    & skf18("2","2","4","10","7","4","1") = "9"
    & skf18("2","2","4","10","7","5","1") = "9"
    & skf18("2","2","4","10","7","6","1") = "9"
    & skf18("2","2","4","10","7","7","1") = "9"
    & skf18("2","2","4","10","7","8","1") = "9"
    & skf18("2","2","4","10","7","9","1") = "9"
    & skf18("2","2","4","10","7","10","1") = "9"
    & skf18("2","2","4","10","8","1","1") = "9"
    & skf18("2","2","4","10","8","2","1") = "9"
    & skf18("2","2","4","10","8","3","1") = "9"
    & skf18("2","2","4","10","8","4","1") = "9"
    & skf18("2","2","4","10","8","5","1") = "9"
    & skf18("2","2","4","10","8","6","1") = "9"
    & skf18("2","2","4","10","8","7","1") = "9"
    & skf18("2","2","4","10","8","8","1") = "9"
    & skf18("2","2","4","10","8","9","1") = "9"
    & skf18("2","2","4","10","8","10","1") = "9"
    & skf18("2","2","4","10","9","1","1") = "9"
    & skf18("2","2","4","10","9","2","1") = "9"
    & skf18("2","2","4","10","9","3","1") = "9"
    & skf18("2","2","4","10","9","4","1") = "9"
    & skf18("2","2","4","10","9","5","1") = "9"
    & skf18("2","2","4","10","9","6","1") = "9"
    & skf18("2","2","4","10","9","7","1") = "9"
    & skf18("2","2","4","10","9","8","1") = "9"
    & skf18("2","2","4","10","9","9","1") = "9"
    & skf18("2","2","4","10","9","10","1") = "9"
    & skf18("2","2","4","10","10","1","1") = "9"
    & skf18("2","2","4","10","10","2","1") = "9"
    & skf18("2","2","4","10","10","3","1") = "9"
    & skf18("2","2","4","10","10","4","1") = "9"
    & skf18("2","2","4","10","10","5","1") = "9"
    & skf18("2","2","4","10","10","6","1") = "9"
    & skf18("2","2","4","10","10","7","1") = "9"
    & skf18("2","2","4","10","10","8","1") = "9"
    & skf18("2","2","4","10","10","9","1") = "9"
    & skf18("2","2","4","10","10","10","1") = "9"
    & skf18("2","2","5","1","1","1","1") = "4"
    & skf18("2","2","5","1","1","2","1") = "4"
    & skf18("2","2","5","1","1","3","1") = "4"
    & skf18("2","2","5","1","1","4","1") = "4"
    & skf18("2","2","5","1","1","5","1") = "4"
    & skf18("2","2","5","1","1","6","1") = "5"
    & skf18("2","2","5","1","1","7","1") = "6"
    & skf18("2","2","5","1","1","8","1") = "7"
    & skf18("2","2","5","1","1","9","1") = "8"
    & skf18("2","2","5","1","1","10","1") = "9"
    & skf18("2","2","5","1","2","1","1") = "4"
    & skf18("2","2","5","1","2","2","1") = "4"
    & skf18("2","2","5","1","2","3","1") = "4"
    & skf18("2","2","5","1","2","4","1") = "4"
    & skf18("2","2","5","1","2","5","1") = "4"
    & skf18("2","2","5","1","2","6","1") = "5"
    & skf18("2","2","5","1","2","7","1") = "6"
    & skf18("2","2","5","1","2","8","1") = "7"
    & skf18("2","2","5","1","2","9","1") = "8"
    & skf18("2","2","5","1","2","10","1") = "9"
    & skf18("2","2","5","1","3","1","1") = "4"
    & skf18("2","2","5","1","3","2","1") = "4"
    & skf18("2","2","5","1","3","3","1") = "4"
    & skf18("2","2","5","1","3","4","1") = "4"
    & skf18("2","2","5","1","3","5","1") = "4"
    & skf18("2","2","5","1","3","6","1") = "5"
    & skf18("2","2","5","1","3","7","1") = "6"
    & skf18("2","2","5","1","3","8","1") = "7"
    & skf18("2","2","5","1","3","9","1") = "8"
    & skf18("2","2","5","1","3","10","1") = "9"
    & skf18("2","2","5","1","4","1","1") = "4"
    & skf18("2","2","5","1","4","2","1") = "4"
    & skf18("2","2","5","1","4","3","1") = "4"
    & skf18("2","2","5","1","4","4","1") = "4"
    & skf18("2","2","5","1","4","5","1") = "4"
    & skf18("2","2","5","1","4","6","1") = "5"
    & skf18("2","2","5","1","4","7","1") = "6"
    & skf18("2","2","5","1","4","8","1") = "7"
    & skf18("2","2","5","1","4","9","1") = "8"
    & skf18("2","2","5","1","4","10","1") = "9"
    & skf18("2","2","5","1","5","1","1") = "4"
    & skf18("2","2","5","1","5","2","1") = "4"
    & skf18("2","2","5","1","5","3","1") = "4"
    & skf18("2","2","5","1","5","4","1") = "4"
    & skf18("2","2","5","1","5","5","1") = "4"
    & skf18("2","2","5","1","5","6","1") = "5"
    & skf18("2","2","5","1","5","7","1") = "6"
    & skf18("2","2","5","1","5","8","1") = "7"
    & skf18("2","2","5","1","5","9","1") = "8"
    & skf18("2","2","5","1","5","10","1") = "9"
    & skf18("2","2","5","1","6","1","1") = "5"
    & skf18("2","2","5","1","6","2","1") = "5"
    & skf18("2","2","5","1","6","3","1") = "5"
    & skf18("2","2","5","1","6","4","1") = "5"
    & skf18("2","2","5","1","6","5","1") = "5"
    & skf18("2","2","5","1","6","6","1") = "5"
    & skf18("2","2","5","1","6","7","1") = "6"
    & skf18("2","2","5","1","6","8","1") = "7"
    & skf18("2","2","5","1","6","9","1") = "8"
    & skf18("2","2","5","1","6","10","1") = "9"
    & skf18("2","2","5","1","7","1","1") = "6"
    & skf18("2","2","5","1","7","2","1") = "6"
    & skf18("2","2","5","1","7","3","1") = "6"
    & skf18("2","2","5","1","7","4","1") = "6"
    & skf18("2","2","5","1","7","5","1") = "6"
    & skf18("2","2","5","1","7","6","1") = "6"
    & skf18("2","2","5","1","7","7","1") = "6"
    & skf18("2","2","5","1","7","8","1") = "7"
    & skf18("2","2","5","1","7","9","1") = "8"
    & skf18("2","2","5","1","7","10","1") = "9"
    & skf18("2","2","5","1","8","1","1") = "7"
    & skf18("2","2","5","1","8","2","1") = "7"
    & skf18("2","2","5","1","8","3","1") = "7"
    & skf18("2","2","5","1","8","4","1") = "7"
    & skf18("2","2","5","1","8","5","1") = "7"
    & skf18("2","2","5","1","8","6","1") = "7"
    & skf18("2","2","5","1","8","7","1") = "7"
    & skf18("2","2","5","1","8","8","1") = "7"
    & skf18("2","2","5","1","8","9","1") = "8"
    & skf18("2","2","5","1","8","10","1") = "9"
    & skf18("2","2","5","1","9","1","1") = "8"
    & skf18("2","2","5","1","9","2","1") = "8"
    & skf18("2","2","5","1","9","3","1") = "8"
    & skf18("2","2","5","1","9","4","1") = "8"
    & skf18("2","2","5","1","9","5","1") = "8"
    & skf18("2","2","5","1","9","6","1") = "8"
    & skf18("2","2","5","1","9","7","1") = "8"
    & skf18("2","2","5","1","9","8","1") = "8"
    & skf18("2","2","5","1","9","9","1") = "8"
    & skf18("2","2","5","1","9","10","1") = "9"
    & skf18("2","2","5","1","10","1","1") = "9"
    & skf18("2","2","5","1","10","2","1") = "9"
    & skf18("2","2","5","1","10","3","1") = "9"
    & skf18("2","2","5","1","10","4","1") = "9"
    & skf18("2","2","5","1","10","5","1") = "9"
    & skf18("2","2","5","1","10","6","1") = "9"
    & skf18("2","2","5","1","10","7","1") = "9"
    & skf18("2","2","5","1","10","8","1") = "9"
    & skf18("2","2","5","1","10","9","1") = "9"
    & skf18("2","2","5","1","10","10","1") = "9"
    & skf18("2","2","5","2","1","1","1") = "4"
    & skf18("2","2","5","2","1","2","1") = "4"
    & skf18("2","2","5","2","1","3","1") = "4"
    & skf18("2","2","5","2","1","4","1") = "4"
    & skf18("2","2","5","2","1","5","1") = "4"
    & skf18("2","2","5","2","1","6","1") = "5"
    & skf18("2","2","5","2","1","7","1") = "6"
    & skf18("2","2","5","2","1","8","1") = "7"
    & skf18("2","2","5","2","1","9","1") = "8"
    & skf18("2","2","5","2","1","10","1") = "9"
    & skf18("2","2","5","2","2","1","1") = "4"
    & skf18("2","2","5","2","2","2","1") = "4"
    & skf18("2","2","5","2","2","3","1") = "4"
    & skf18("2","2","5","2","2","4","1") = "4"
    & skf18("2","2","5","2","2","5","1") = "4"
    & skf18("2","2","5","2","2","6","1") = "5"
    & skf18("2","2","5","2","2","7","1") = "6"
    & skf18("2","2","5","2","2","8","1") = "7"
    & skf18("2","2","5","2","2","9","1") = "8"
    & skf18("2","2","5","2","2","10","1") = "9"
    & skf18("2","2","5","2","3","1","1") = "4"
    & skf18("2","2","5","2","3","2","1") = "4"
    & skf18("2","2","5","2","3","3","1") = "4"
    & skf18("2","2","5","2","3","4","1") = "4"
    & skf18("2","2","5","2","3","5","1") = "4"
    & skf18("2","2","5","2","3","6","1") = "5"
    & skf18("2","2","5","2","3","7","1") = "6"
    & skf18("2","2","5","2","3","8","1") = "7"
    & skf18("2","2","5","2","3","9","1") = "8"
    & skf18("2","2","5","2","3","10","1") = "9"
    & skf18("2","2","5","2","4","1","1") = "4"
    & skf18("2","2","5","2","4","2","1") = "4"
    & skf18("2","2","5","2","4","3","1") = "4"
    & skf18("2","2","5","2","4","4","1") = "4"
    & skf18("2","2","5","2","4","5","1") = "4"
    & skf18("2","2","5","2","4","6","1") = "5"
    & skf18("2","2","5","2","4","7","1") = "6"
    & skf18("2","2","5","2","4","8","1") = "7"
    & skf18("2","2","5","2","4","9","1") = "8"
    & skf18("2","2","5","2","4","10","1") = "9"
    & skf18("2","2","5","2","5","1","1") = "4"
    & skf18("2","2","5","2","5","2","1") = "4"
    & skf18("2","2","5","2","5","3","1") = "4"
    & skf18("2","2","5","2","5","4","1") = "4"
    & skf18("2","2","5","2","5","5","1") = "4"
    & skf18("2","2","5","2","5","6","1") = "5"
    & skf18("2","2","5","2","5","7","1") = "6"
    & skf18("2","2","5","2","5","8","1") = "7"
    & skf18("2","2","5","2","5","9","1") = "8"
    & skf18("2","2","5","2","5","10","1") = "9"
    & skf18("2","2","5","2","6","1","1") = "5"
    & skf18("2","2","5","2","6","2","1") = "5"
    & skf18("2","2","5","2","6","3","1") = "5"
    & skf18("2","2","5","2","6","4","1") = "5"
    & skf18("2","2","5","2","6","5","1") = "5"
    & skf18("2","2","5","2","6","6","1") = "5"
    & skf18("2","2","5","2","6","7","1") = "6"
    & skf18("2","2","5","2","6","8","1") = "7"
    & skf18("2","2","5","2","6","9","1") = "8"
    & skf18("2","2","5","2","6","10","1") = "9"
    & skf18("2","2","5","2","7","1","1") = "6"
    & skf18("2","2","5","2","7","2","1") = "6"
    & skf18("2","2","5","2","7","3","1") = "6"
    & skf18("2","2","5","2","7","4","1") = "6"
    & skf18("2","2","5","2","7","5","1") = "6"
    & skf18("2","2","5","2","7","6","1") = "6"
    & skf18("2","2","5","2","7","7","1") = "6"
    & skf18("2","2","5","2","7","8","1") = "7"
    & skf18("2","2","5","2","7","9","1") = "8"
    & skf18("2","2","5","2","7","10","1") = "9"
    & skf18("2","2","5","2","8","1","1") = "7"
    & skf18("2","2","5","2","8","2","1") = "7"
    & skf18("2","2","5","2","8","3","1") = "7"
    & skf18("2","2","5","2","8","4","1") = "7"
    & skf18("2","2","5","2","8","5","1") = "7"
    & skf18("2","2","5","2","8","6","1") = "7"
    & skf18("2","2","5","2","8","7","1") = "7"
    & skf18("2","2","5","2","8","8","1") = "7"
    & skf18("2","2","5","2","8","9","1") = "8"
    & skf18("2","2","5","2","8","10","1") = "9"
    & skf18("2","2","5","2","9","1","1") = "8"
    & skf18("2","2","5","2","9","2","1") = "8"
    & skf18("2","2","5","2","9","3","1") = "8"
    & skf18("2","2","5","2","9","4","1") = "8"
    & skf18("2","2","5","2","9","5","1") = "8"
    & skf18("2","2","5","2","9","6","1") = "8"
    & skf18("2","2","5","2","9","7","1") = "8"
    & skf18("2","2","5","2","9","8","1") = "8"
    & skf18("2","2","5","2","9","9","1") = "8"
    & skf18("2","2","5","2","9","10","1") = "9"
    & skf18("2","2","5","2","10","1","1") = "9"
    & skf18("2","2","5","2","10","2","1") = "9"
    & skf18("2","2","5","2","10","3","1") = "9"
    & skf18("2","2","5","2","10","4","1") = "9"
    & skf18("2","2","5","2","10","5","1") = "9"
    & skf18("2","2","5","2","10","6","1") = "9"
    & skf18("2","2","5","2","10","7","1") = "9"
    & skf18("2","2","5","2","10","8","1") = "9"
    & skf18("2","2","5","2","10","9","1") = "9"
    & skf18("2","2","5","2","10","10","1") = "9"
    & skf18("2","2","5","3","1","1","1") = "4"
    & skf18("2","2","5","3","1","2","1") = "4"
    & skf18("2","2","5","3","1","3","1") = "4"
    & skf18("2","2","5","3","1","4","1") = "4"
    & skf18("2","2","5","3","1","5","1") = "4"
    & skf18("2","2","5","3","1","6","1") = "5"
    & skf18("2","2","5","3","1","7","1") = "6"
    & skf18("2","2","5","3","1","8","1") = "7"
    & skf18("2","2","5","3","1","9","1") = "8"
    & skf18("2","2","5","3","1","10","1") = "9"
    & skf18("2","2","5","3","2","1","1") = "4"
    & skf18("2","2","5","3","2","2","1") = "4"
    & skf18("2","2","5","3","2","3","1") = "4"
    & skf18("2","2","5","3","2","4","1") = "4"
    & skf18("2","2","5","3","2","5","1") = "4"
    & skf18("2","2","5","3","2","6","1") = "5"
    & skf18("2","2","5","3","2","7","1") = "6"
    & skf18("2","2","5","3","2","8","1") = "7"
    & skf18("2","2","5","3","2","9","1") = "8"
    & skf18("2","2","5","3","2","10","1") = "9"
    & skf18("2","2","5","3","3","1","1") = "4"
    & skf18("2","2","5","3","3","2","1") = "4"
    & skf18("2","2","5","3","3","3","1") = "4"
    & skf18("2","2","5","3","3","4","1") = "4"
    & skf18("2","2","5","3","3","5","1") = "4"
    & skf18("2","2","5","3","3","6","1") = "5"
    & skf18("2","2","5","3","3","7","1") = "6"
    & skf18("2","2","5","3","3","8","1") = "7"
    & skf18("2","2","5","3","3","9","1") = "8"
    & skf18("2","2","5","3","3","10","1") = "9"
    & skf18("2","2","5","3","4","1","1") = "4"
    & skf18("2","2","5","3","4","2","1") = "4"
    & skf18("2","2","5","3","4","3","1") = "4"
    & skf18("2","2","5","3","4","4","1") = "4"
    & skf18("2","2","5","3","4","5","1") = "4"
    & skf18("2","2","5","3","4","6","1") = "5"
    & skf18("2","2","5","3","4","7","1") = "6"
    & skf18("2","2","5","3","4","8","1") = "7"
    & skf18("2","2","5","3","4","9","1") = "8"
    & skf18("2","2","5","3","4","10","1") = "9"
    & skf18("2","2","5","3","5","1","1") = "4"
    & skf18("2","2","5","3","5","2","1") = "4"
    & skf18("2","2","5","3","5","3","1") = "4"
    & skf18("2","2","5","3","5","4","1") = "4"
    & skf18("2","2","5","3","5","5","1") = "4"
    & skf18("2","2","5","3","5","6","1") = "5"
    & skf18("2","2","5","3","5","7","1") = "6"
    & skf18("2","2","5","3","5","8","1") = "7"
    & skf18("2","2","5","3","5","9","1") = "8"
    & skf18("2","2","5","3","5","10","1") = "9"
    & skf18("2","2","5","3","6","1","1") = "5"
    & skf18("2","2","5","3","6","2","1") = "5"
    & skf18("2","2","5","3","6","3","1") = "5"
    & skf18("2","2","5","3","6","4","1") = "5"
    & skf18("2","2","5","3","6","5","1") = "5"
    & skf18("2","2","5","3","6","6","1") = "5"
    & skf18("2","2","5","3","6","7","1") = "6"
    & skf18("2","2","5","3","6","8","1") = "7"
    & skf18("2","2","5","3","6","9","1") = "8"
    & skf18("2","2","5","3","6","10","1") = "9"
    & skf18("2","2","5","3","7","1","1") = "6"
    & skf18("2","2","5","3","7","2","1") = "6"
    & skf18("2","2","5","3","7","3","1") = "6"
    & skf18("2","2","5","3","7","4","1") = "6"
    & skf18("2","2","5","3","7","5","1") = "6"
    & skf18("2","2","5","3","7","6","1") = "6"
    & skf18("2","2","5","3","7","7","1") = "6"
    & skf18("2","2","5","3","7","8","1") = "7"
    & skf18("2","2","5","3","7","9","1") = "8"
    & skf18("2","2","5","3","7","10","1") = "9"
    & skf18("2","2","5","3","8","1","1") = "7"
    & skf18("2","2","5","3","8","2","1") = "7"
    & skf18("2","2","5","3","8","3","1") = "7"
    & skf18("2","2","5","3","8","4","1") = "7"
    & skf18("2","2","5","3","8","5","1") = "7"
    & skf18("2","2","5","3","8","6","1") = "7"
    & skf18("2","2","5","3","8","7","1") = "7"
    & skf18("2","2","5","3","8","8","1") = "7"
    & skf18("2","2","5","3","8","9","1") = "8"
    & skf18("2","2","5","3","8","10","1") = "9"
    & skf18("2","2","5","3","9","1","1") = "8"
    & skf18("2","2","5","3","9","2","1") = "8"
    & skf18("2","2","5","3","9","3","1") = "8"
    & skf18("2","2","5","3","9","4","1") = "8"
    & skf18("2","2","5","3","9","5","1") = "8"
    & skf18("2","2","5","3","9","6","1") = "8"
    & skf18("2","2","5","3","9","7","1") = "8"
    & skf18("2","2","5","3","9","8","1") = "8"
    & skf18("2","2","5","3","9","9","1") = "8"
    & skf18("2","2","5","3","9","10","1") = "9"
    & skf18("2","2","5","3","10","1","1") = "9"
    & skf18("2","2","5","3","10","2","1") = "9"
    & skf18("2","2","5","3","10","3","1") = "9"
    & skf18("2","2","5","3","10","4","1") = "9"
    & skf18("2","2","5","3","10","5","1") = "9"
    & skf18("2","2","5","3","10","6","1") = "9"
    & skf18("2","2","5","3","10","7","1") = "9"
    & skf18("2","2","5","3","10","8","1") = "9"
    & skf18("2","2","5","3","10","9","1") = "9"
    & skf18("2","2","5","3","10","10","1") = "9"
    & skf18("2","2","5","4","1","1","1") = "4"
    & skf18("2","2","5","4","1","2","1") = "4"
    & skf18("2","2","5","4","1","3","1") = "4"
    & skf18("2","2","5","4","1","4","1") = "4"
    & skf18("2","2","5","4","1","5","1") = "4"
    & skf18("2","2","5","4","1","6","1") = "5"
    & skf18("2","2","5","4","1","7","1") = "6"
    & skf18("2","2","5","4","1","8","1") = "7"
    & skf18("2","2","5","4","1","9","1") = "8"
    & skf18("2","2","5","4","1","10","1") = "9"
    & skf18("2","2","5","4","2","1","1") = "4"
    & skf18("2","2","5","4","2","2","1") = "4"
    & skf18("2","2","5","4","2","3","1") = "4"
    & skf18("2","2","5","4","2","4","1") = "4"
    & skf18("2","2","5","4","2","5","1") = "4"
    & skf18("2","2","5","4","2","6","1") = "5"
    & skf18("2","2","5","4","2","7","1") = "6"
    & skf18("2","2","5","4","2","8","1") = "7"
    & skf18("2","2","5","4","2","9","1") = "8"
    & skf18("2","2","5","4","2","10","1") = "9"
    & skf18("2","2","5","4","3","1","1") = "4"
    & skf18("2","2","5","4","3","2","1") = "4"
    & skf18("2","2","5","4","3","3","1") = "4"
    & skf18("2","2","5","4","3","4","1") = "4"
    & skf18("2","2","5","4","3","5","1") = "4"
    & skf18("2","2","5","4","3","6","1") = "5"
    & skf18("2","2","5","4","3","7","1") = "6"
    & skf18("2","2","5","4","3","8","1") = "7"
    & skf18("2","2","5","4","3","9","1") = "8"
    & skf18("2","2","5","4","3","10","1") = "9"
    & skf18("2","2","5","4","4","1","1") = "4"
    & skf18("2","2","5","4","4","2","1") = "4"
    & skf18("2","2","5","4","4","3","1") = "4"
    & skf18("2","2","5","4","4","4","1") = "4"
    & skf18("2","2","5","4","4","5","1") = "4"
    & skf18("2","2","5","4","4","6","1") = "5"
    & skf18("2","2","5","4","4","7","1") = "6"
    & skf18("2","2","5","4","4","8","1") = "7"
    & skf18("2","2","5","4","4","9","1") = "8"
    & skf18("2","2","5","4","4","10","1") = "9"
    & skf18("2","2","5","4","5","1","1") = "4"
    & skf18("2","2","5","4","5","2","1") = "4"
    & skf18("2","2","5","4","5","3","1") = "4"
    & skf18("2","2","5","4","5","4","1") = "4"
    & skf18("2","2","5","4","5","5","1") = "4"
    & skf18("2","2","5","4","5","6","1") = "5"
    & skf18("2","2","5","4","5","7","1") = "6"
    & skf18("2","2","5","4","5","8","1") = "7"
    & skf18("2","2","5","4","5","9","1") = "8"
    & skf18("2","2","5","4","5","10","1") = "9"
    & skf18("2","2","5","4","6","1","1") = "5"
    & skf18("2","2","5","4","6","2","1") = "5"
    & skf18("2","2","5","4","6","3","1") = "5"
    & skf18("2","2","5","4","6","4","1") = "5"
    & skf18("2","2","5","4","6","5","1") = "5"
    & skf18("2","2","5","4","6","6","1") = "5"
    & skf18("2","2","5","4","6","7","1") = "6"
    & skf18("2","2","5","4","6","8","1") = "7"
    & skf18("2","2","5","4","6","9","1") = "8"
    & skf18("2","2","5","4","6","10","1") = "9"
    & skf18("2","2","5","4","7","1","1") = "6"
    & skf18("2","2","5","4","7","2","1") = "6"
    & skf18("2","2","5","4","7","3","1") = "6"
    & skf18("2","2","5","4","7","4","1") = "6"
    & skf18("2","2","5","4","7","5","1") = "6"
    & skf18("2","2","5","4","7","6","1") = "6"
    & skf18("2","2","5","4","7","7","1") = "6"
    & skf18("2","2","5","4","7","8","1") = "7"
    & skf18("2","2","5","4","7","9","1") = "8"
    & skf18("2","2","5","4","7","10","1") = "9"
    & skf18("2","2","5","4","8","1","1") = "7"
    & skf18("2","2","5","4","8","2","1") = "7"
    & skf18("2","2","5","4","8","3","1") = "7"
    & skf18("2","2","5","4","8","4","1") = "7"
    & skf18("2","2","5","4","8","5","1") = "7"
    & skf18("2","2","5","4","8","6","1") = "7"
    & skf18("2","2","5","4","8","7","1") = "7"
    & skf18("2","2","5","4","8","8","1") = "7"
    & skf18("2","2","5","4","8","9","1") = "8"
    & skf18("2","2","5","4","8","10","1") = "9"
    & skf18("2","2","5","4","9","1","1") = "8"
    & skf18("2","2","5","4","9","2","1") = "8"
    & skf18("2","2","5","4","9","3","1") = "8"
    & skf18("2","2","5","4","9","4","1") = "8"
    & skf18("2","2","5","4","9","5","1") = "8"
    & skf18("2","2","5","4","9","6","1") = "8"
    & skf18("2","2","5","4","9","7","1") = "8"
    & skf18("2","2","5","4","9","8","1") = "8"
    & skf18("2","2","5","4","9","9","1") = "8"
    & skf18("2","2","5","4","9","10","1") = "9"
    & skf18("2","2","5","4","10","1","1") = "9"
    & skf18("2","2","5","4","10","2","1") = "9"
    & skf18("2","2","5","4","10","3","1") = "9"
    & skf18("2","2","5","4","10","4","1") = "9"
    & skf18("2","2","5","4","10","5","1") = "9"
    & skf18("2","2","5","4","10","6","1") = "9"
    & skf18("2","2","5","4","10","7","1") = "9"
    & skf18("2","2","5","4","10","8","1") = "9"
    & skf18("2","2","5","4","10","9","1") = "9"
    & skf18("2","2","5","4","10","10","1") = "9"
    & skf18("2","2","5","5","1","1","1") = "4"
    & skf18("2","2","5","5","1","2","1") = "4"
    & skf18("2","2","5","5","1","3","1") = "4"
    & skf18("2","2","5","5","1","4","1") = "4"
    & skf18("2","2","5","5","1","5","1") = "4"
    & skf18("2","2","5","5","1","6","1") = "5"
    & skf18("2","2","5","5","1","7","1") = "6"
    & skf18("2","2","5","5","1","8","1") = "7"
    & skf18("2","2","5","5","1","9","1") = "8"
    & skf18("2","2","5","5","1","10","1") = "9"
    & skf18("2","2","5","5","2","1","1") = "4"
    & skf18("2","2","5","5","2","2","1") = "4"
    & skf18("2","2","5","5","2","3","1") = "4"
    & skf18("2","2","5","5","2","4","1") = "4"
    & skf18("2","2","5","5","2","5","1") = "4"
    & skf18("2","2","5","5","2","6","1") = "5"
    & skf18("2","2","5","5","2","7","1") = "6"
    & skf18("2","2","5","5","2","8","1") = "7"
    & skf18("2","2","5","5","2","9","1") = "8"
    & skf18("2","2","5","5","2","10","1") = "9"
    & skf18("2","2","5","5","3","1","1") = "4"
    & skf18("2","2","5","5","3","2","1") = "4"
    & skf18("2","2","5","5","3","3","1") = "4"
    & skf18("2","2","5","5","3","4","1") = "4"
    & skf18("2","2","5","5","3","5","1") = "4"
    & skf18("2","2","5","5","3","6","1") = "5"
    & skf18("2","2","5","5","3","7","1") = "6"
    & skf18("2","2","5","5","3","8","1") = "7"
    & skf18("2","2","5","5","3","9","1") = "8"
    & skf18("2","2","5","5","3","10","1") = "9"
    & skf18("2","2","5","5","4","1","1") = "4"
    & skf18("2","2","5","5","4","2","1") = "4"
    & skf18("2","2","5","5","4","3","1") = "4"
    & skf18("2","2","5","5","4","4","1") = "4"
    & skf18("2","2","5","5","4","5","1") = "4"
    & skf18("2","2","5","5","4","6","1") = "5"
    & skf18("2","2","5","5","4","7","1") = "6"
    & skf18("2","2","5","5","4","8","1") = "7"
    & skf18("2","2","5","5","4","9","1") = "8"
    & skf18("2","2","5","5","4","10","1") = "9"
    & skf18("2","2","5","5","5","1","1") = "4"
    & skf18("2","2","5","5","5","2","1") = "4"
    & skf18("2","2","5","5","5","3","1") = "4"
    & skf18("2","2","5","5","5","4","1") = "4"
    & skf18("2","2","5","5","5","5","1") = "4"
    & skf18("2","2","5","5","5","6","1") = "5"
    & skf18("2","2","5","5","5","7","1") = "6"
    & skf18("2","2","5","5","5","8","1") = "7"
    & skf18("2","2","5","5","5","9","1") = "8"
    & skf18("2","2","5","5","5","10","1") = "9"
    & skf18("2","2","5","5","6","1","1") = "5"
    & skf18("2","2","5","5","6","2","1") = "5"
    & skf18("2","2","5","5","6","3","1") = "5"
    & skf18("2","2","5","5","6","4","1") = "5"
    & skf18("2","2","5","5","6","5","1") = "5"
    & skf18("2","2","5","5","6","6","1") = "5"
    & skf18("2","2","5","5","6","7","1") = "6"
    & skf18("2","2","5","5","6","8","1") = "7"
    & skf18("2","2","5","5","6","9","1") = "8"
    & skf18("2","2","5","5","6","10","1") = "9"
    & skf18("2","2","5","5","7","1","1") = "6"
    & skf18("2","2","5","5","7","2","1") = "6"
    & skf18("2","2","5","5","7","3","1") = "6"
    & skf18("2","2","5","5","7","4","1") = "6"
    & skf18("2","2","5","5","7","5","1") = "6"
    & skf18("2","2","5","5","7","6","1") = "6"
    & skf18("2","2","5","5","7","7","1") = "6"
    & skf18("2","2","5","5","7","8","1") = "7"
    & skf18("2","2","5","5","7","9","1") = "8"
    & skf18("2","2","5","5","7","10","1") = "9"
    & skf18("2","2","5","5","8","1","1") = "7"
    & skf18("2","2","5","5","8","2","1") = "7"
    & skf18("2","2","5","5","8","3","1") = "7"
    & skf18("2","2","5","5","8","4","1") = "7"
    & skf18("2","2","5","5","8","5","1") = "7"
    & skf18("2","2","5","5","8","6","1") = "7"
    & skf18("2","2","5","5","8","7","1") = "7"
    & skf18("2","2","5","5","8","8","1") = "7"
    & skf18("2","2","5","5","8","9","1") = "8"
    & skf18("2","2","5","5","8","10","1") = "9"
    & skf18("2","2","5","5","9","1","1") = "8"
    & skf18("2","2","5","5","9","2","1") = "8"
    & skf18("2","2","5","5","9","3","1") = "8"
    & skf18("2","2","5","5","9","4","1") = "8"
    & skf18("2","2","5","5","9","5","1") = "8"
    & skf18("2","2","5","5","9","6","1") = "8"
    & skf18("2","2","5","5","9","7","1") = "8"
    & skf18("2","2","5","5","9","8","1") = "8"
    & skf18("2","2","5","5","9","9","1") = "8"
    & skf18("2","2","5","5","9","10","1") = "9"
    & skf18("2","2","5","5","10","1","1") = "9"
    & skf18("2","2","5","5","10","2","1") = "9"
    & skf18("2","2","5","5","10","3","1") = "9"
    & skf18("2","2","5","5","10","4","1") = "9"
    & skf18("2","2","5","5","10","5","1") = "9"
    & skf18("2","2","5","5","10","6","1") = "9"
    & skf18("2","2","5","5","10","7","1") = "9"
    & skf18("2","2","5","5","10","8","1") = "9"
    & skf18("2","2","5","5","10","9","1") = "9"
    & skf18("2","2","5","5","10","10","1") = "9"
    & skf18("2","2","5","6","1","1","1") = "5"
    & skf18("2","2","5","6","1","2","1") = "5"
    & skf18("2","2","5","6","1","3","1") = "5"
    & skf18("2","2","5","6","1","4","1") = "5"
    & skf18("2","2","5","6","1","5","1") = "5"
    & skf18("2","2","5","6","1","6","1") = "5"
    & skf18("2","2","5","6","1","7","1") = "6"
    & skf18("2","2","5","6","1","8","1") = "7"
    & skf18("2","2","5","6","1","9","1") = "8"
    & skf18("2","2","5","6","1","10","1") = "9"
    & skf18("2","2","5","6","2","1","1") = "5"
    & skf18("2","2","5","6","2","2","1") = "5"
    & skf18("2","2","5","6","2","3","1") = "5"
    & skf18("2","2","5","6","2","4","1") = "5"
    & skf18("2","2","5","6","2","5","1") = "5"
    & skf18("2","2","5","6","2","6","1") = "5"
    & skf18("2","2","5","6","2","7","1") = "6"
    & skf18("2","2","5","6","2","8","1") = "7"
    & skf18("2","2","5","6","2","9","1") = "8"
    & skf18("2","2","5","6","2","10","1") = "9"
    & skf18("2","2","5","6","3","1","1") = "5"
    & skf18("2","2","5","6","3","2","1") = "5"
    & skf18("2","2","5","6","3","3","1") = "5"
    & skf18("2","2","5","6","3","4","1") = "5"
    & skf18("2","2","5","6","3","5","1") = "5"
    & skf18("2","2","5","6","3","6","1") = "5"
    & skf18("2","2","5","6","3","7","1") = "6"
    & skf18("2","2","5","6","3","8","1") = "7"
    & skf18("2","2","5","6","3","9","1") = "8"
    & skf18("2","2","5","6","3","10","1") = "9"
    & skf18("2","2","5","6","4","1","1") = "5"
    & skf18("2","2","5","6","4","2","1") = "5"
    & skf18("2","2","5","6","4","3","1") = "5"
    & skf18("2","2","5","6","4","4","1") = "5"
    & skf18("2","2","5","6","4","5","1") = "5"
    & skf18("2","2","5","6","4","6","1") = "5"
    & skf18("2","2","5","6","4","7","1") = "6"
    & skf18("2","2","5","6","4","8","1") = "7"
    & skf18("2","2","5","6","4","9","1") = "8"
    & skf18("2","2","5","6","4","10","1") = "9"
    & skf18("2","2","5","6","5","1","1") = "5"
    & skf18("2","2","5","6","5","2","1") = "5"
    & skf18("2","2","5","6","5","3","1") = "5"
    & skf18("2","2","5","6","5","4","1") = "5"
    & skf18("2","2","5","6","5","5","1") = "5"
    & skf18("2","2","5","6","5","6","1") = "5"
    & skf18("2","2","5","6","5","7","1") = "6"
    & skf18("2","2","5","6","5","8","1") = "7"
    & skf18("2","2","5","6","5","9","1") = "8"
    & skf18("2","2","5","6","5","10","1") = "9"
    & skf18("2","2","5","6","6","1","1") = "5"
    & skf18("2","2","5","6","6","2","1") = "5"
    & skf18("2","2","5","6","6","3","1") = "5"
    & skf18("2","2","5","6","6","4","1") = "5"
    & skf18("2","2","5","6","6","5","1") = "5"
    & skf18("2","2","5","6","6","6","1") = "5"
    & skf18("2","2","5","6","6","7","1") = "6"
    & skf18("2","2","5","6","6","8","1") = "7"
    & skf18("2","2","5","6","6","9","1") = "8"
    & skf18("2","2","5","6","6","10","1") = "9"
    & skf18("2","2","5","6","7","1","1") = "6"
    & skf18("2","2","5","6","7","2","1") = "6"
    & skf18("2","2","5","6","7","3","1") = "6"
    & skf18("2","2","5","6","7","4","1") = "6"
    & skf18("2","2","5","6","7","5","1") = "6"
    & skf18("2","2","5","6","7","6","1") = "6"
    & skf18("2","2","5","6","7","7","1") = "6"
    & skf18("2","2","5","6","7","8","1") = "7"
    & skf18("2","2","5","6","7","9","1") = "8"
    & skf18("2","2","5","6","7","10","1") = "9"
    & skf18("2","2","5","6","8","1","1") = "7"
    & skf18("2","2","5","6","8","2","1") = "7"
    & skf18("2","2","5","6","8","3","1") = "7"
    & skf18("2","2","5","6","8","4","1") = "7"
    & skf18("2","2","5","6","8","5","1") = "7"
    & skf18("2","2","5","6","8","6","1") = "7"
    & skf18("2","2","5","6","8","7","1") = "7"
    & skf18("2","2","5","6","8","8","1") = "7"
    & skf18("2","2","5","6","8","9","1") = "8"
    & skf18("2","2","5","6","8","10","1") = "9"
    & skf18("2","2","5","6","9","1","1") = "8"
    & skf18("2","2","5","6","9","2","1") = "8"
    & skf18("2","2","5","6","9","3","1") = "8"
    & skf18("2","2","5","6","9","4","1") = "8"
    & skf18("2","2","5","6","9","5","1") = "8"
    & skf18("2","2","5","6","9","6","1") = "8"
    & skf18("2","2","5","6","9","7","1") = "8"
    & skf18("2","2","5","6","9","8","1") = "8"
    & skf18("2","2","5","6","9","9","1") = "8"
    & skf18("2","2","5","6","9","10","1") = "9"
    & skf18("2","2","5","6","10","1","1") = "9"
    & skf18("2","2","5","6","10","2","1") = "9"
    & skf18("2","2","5","6","10","3","1") = "9"
    & skf18("2","2","5","6","10","4","1") = "9"
    & skf18("2","2","5","6","10","5","1") = "9"
    & skf18("2","2","5","6","10","6","1") = "9"
    & skf18("2","2","5","6","10","7","1") = "9"
    & skf18("2","2","5","6","10","8","1") = "9"
    & skf18("2","2","5","6","10","9","1") = "9"
    & skf18("2","2","5","6","10","10","1") = "9"
    & skf18("2","2","5","7","1","1","1") = "6"
    & skf18("2","2","5","7","1","2","1") = "6"
    & skf18("2","2","5","7","1","3","1") = "6"
    & skf18("2","2","5","7","1","4","1") = "6"
    & skf18("2","2","5","7","1","5","1") = "6"
    & skf18("2","2","5","7","1","6","1") = "6"
    & skf18("2","2","5","7","1","7","1") = "6"
    & skf18("2","2","5","7","1","8","1") = "7"
    & skf18("2","2","5","7","1","9","1") = "8"
    & skf18("2","2","5","7","1","10","1") = "9"
    & skf18("2","2","5","7","2","1","1") = "6"
    & skf18("2","2","5","7","2","2","1") = "6"
    & skf18("2","2","5","7","2","3","1") = "6"
    & skf18("2","2","5","7","2","4","1") = "6"
    & skf18("2","2","5","7","2","5","1") = "6"
    & skf18("2","2","5","7","2","6","1") = "6"
    & skf18("2","2","5","7","2","7","1") = "6"
    & skf18("2","2","5","7","2","8","1") = "7"
    & skf18("2","2","5","7","2","9","1") = "8"
    & skf18("2","2","5","7","2","10","1") = "9"
    & skf18("2","2","5","7","3","1","1") = "6"
    & skf18("2","2","5","7","3","2","1") = "6"
    & skf18("2","2","5","7","3","3","1") = "6"
    & skf18("2","2","5","7","3","4","1") = "6"
    & skf18("2","2","5","7","3","5","1") = "6"
    & skf18("2","2","5","7","3","6","1") = "6"
    & skf18("2","2","5","7","3","7","1") = "6"
    & skf18("2","2","5","7","3","8","1") = "7"
    & skf18("2","2","5","7","3","9","1") = "8"
    & skf18("2","2","5","7","3","10","1") = "9"
    & skf18("2","2","5","7","4","1","1") = "6"
    & skf18("2","2","5","7","4","2","1") = "6"
    & skf18("2","2","5","7","4","3","1") = "6"
    & skf18("2","2","5","7","4","4","1") = "6"
    & skf18("2","2","5","7","4","5","1") = "6"
    & skf18("2","2","5","7","4","6","1") = "6"
    & skf18("2","2","5","7","4","7","1") = "6"
    & skf18("2","2","5","7","4","8","1") = "7"
    & skf18("2","2","5","7","4","9","1") = "8"
    & skf18("2","2","5","7","4","10","1") = "9"
    & skf18("2","2","5","7","5","1","1") = "6"
    & skf18("2","2","5","7","5","2","1") = "6"
    & skf18("2","2","5","7","5","3","1") = "6"
    & skf18("2","2","5","7","5","4","1") = "6"
    & skf18("2","2","5","7","5","5","1") = "6"
    & skf18("2","2","5","7","5","6","1") = "6"
    & skf18("2","2","5","7","5","7","1") = "6"
    & skf18("2","2","5","7","5","8","1") = "7"
    & skf18("2","2","5","7","5","9","1") = "8"
    & skf18("2","2","5","7","5","10","1") = "9"
    & skf18("2","2","5","7","6","1","1") = "6"
    & skf18("2","2","5","7","6","2","1") = "6"
    & skf18("2","2","5","7","6","3","1") = "6"
    & skf18("2","2","5","7","6","4","1") = "6"
    & skf18("2","2","5","7","6","5","1") = "6"
    & skf18("2","2","5","7","6","6","1") = "6"
    & skf18("2","2","5","7","6","7","1") = "6"
    & skf18("2","2","5","7","6","8","1") = "7"
    & skf18("2","2","5","7","6","9","1") = "8"
    & skf18("2","2","5","7","6","10","1") = "9"
    & skf18("2","2","5","7","7","1","1") = "6"
    & skf18("2","2","5","7","7","2","1") = "6"
    & skf18("2","2","5","7","7","3","1") = "6"
    & skf18("2","2","5","7","7","4","1") = "6"
    & skf18("2","2","5","7","7","5","1") = "6"
    & skf18("2","2","5","7","7","6","1") = "6"
    & skf18("2","2","5","7","7","7","1") = "6"
    & skf18("2","2","5","7","7","8","1") = "7"
    & skf18("2","2","5","7","7","9","1") = "8"
    & skf18("2","2","5","7","7","10","1") = "9"
    & skf18("2","2","5","7","8","1","1") = "7"
    & skf18("2","2","5","7","8","2","1") = "7"
    & skf18("2","2","5","7","8","3","1") = "7"
    & skf18("2","2","5","7","8","4","1") = "7"
    & skf18("2","2","5","7","8","5","1") = "7"
    & skf18("2","2","5","7","8","6","1") = "7"
    & skf18("2","2","5","7","8","7","1") = "7"
    & skf18("2","2","5","7","8","8","1") = "7"
    & skf18("2","2","5","7","8","9","1") = "8"
    & skf18("2","2","5","7","8","10","1") = "9"
    & skf18("2","2","5","7","9","1","1") = "8"
    & skf18("2","2","5","7","9","2","1") = "8"
    & skf18("2","2","5","7","9","3","1") = "8"
    & skf18("2","2","5","7","9","4","1") = "8"
    & skf18("2","2","5","7","9","5","1") = "8"
    & skf18("2","2","5","7","9","6","1") = "8"
    & skf18("2","2","5","7","9","7","1") = "8"
    & skf18("2","2","5","7","9","8","1") = "8"
    & skf18("2","2","5","7","9","9","1") = "8"
    & skf18("2","2","5","7","9","10","1") = "9"
    & skf18("2","2","5","7","10","1","1") = "9"
    & skf18("2","2","5","7","10","2","1") = "9"
    & skf18("2","2","5","7","10","3","1") = "9"
    & skf18("2","2","5","7","10","4","1") = "9"
    & skf18("2","2","5","7","10","5","1") = "9"
    & skf18("2","2","5","7","10","6","1") = "9"
    & skf18("2","2","5","7","10","7","1") = "9"
    & skf18("2","2","5","7","10","8","1") = "9"
    & skf18("2","2","5","7","10","9","1") = "9"
    & skf18("2","2","5","7","10","10","1") = "9"
    & skf18("2","2","5","8","1","1","1") = "7"
    & skf18("2","2","5","8","1","2","1") = "7"
    & skf18("2","2","5","8","1","3","1") = "7"
    & skf18("2","2","5","8","1","4","1") = "7"
    & skf18("2","2","5","8","1","5","1") = "7"
    & skf18("2","2","5","8","1","6","1") = "7"
    & skf18("2","2","5","8","1","7","1") = "7"
    & skf18("2","2","5","8","1","8","1") = "7"
    & skf18("2","2","5","8","1","9","1") = "8"
    & skf18("2","2","5","8","1","10","1") = "9"
    & skf18("2","2","5","8","2","1","1") = "7"
    & skf18("2","2","5","8","2","2","1") = "7"
    & skf18("2","2","5","8","2","3","1") = "7"
    & skf18("2","2","5","8","2","4","1") = "7"
    & skf18("2","2","5","8","2","5","1") = "7"
    & skf18("2","2","5","8","2","6","1") = "7"
    & skf18("2","2","5","8","2","7","1") = "7"
    & skf18("2","2","5","8","2","8","1") = "7"
    & skf18("2","2","5","8","2","9","1") = "8"
    & skf18("2","2","5","8","2","10","1") = "9"
    & skf18("2","2","5","8","3","1","1") = "7"
    & skf18("2","2","5","8","3","2","1") = "7"
    & skf18("2","2","5","8","3","3","1") = "7"
    & skf18("2","2","5","8","3","4","1") = "7"
    & skf18("2","2","5","8","3","5","1") = "7"
    & skf18("2","2","5","8","3","6","1") = "7"
    & skf18("2","2","5","8","3","7","1") = "7"
    & skf18("2","2","5","8","3","8","1") = "7"
    & skf18("2","2","5","8","3","9","1") = "8"
    & skf18("2","2","5","8","3","10","1") = "9"
    & skf18("2","2","5","8","4","1","1") = "7"
    & skf18("2","2","5","8","4","2","1") = "7"
    & skf18("2","2","5","8","4","3","1") = "7"
    & skf18("2","2","5","8","4","4","1") = "7"
    & skf18("2","2","5","8","4","5","1") = "7"
    & skf18("2","2","5","8","4","6","1") = "7"
    & skf18("2","2","5","8","4","7","1") = "7"
    & skf18("2","2","5","8","4","8","1") = "7"
    & skf18("2","2","5","8","4","9","1") = "8"
    & skf18("2","2","5","8","4","10","1") = "9"
    & skf18("2","2","5","8","5","1","1") = "7"
    & skf18("2","2","5","8","5","2","1") = "7"
    & skf18("2","2","5","8","5","3","1") = "7"
    & skf18("2","2","5","8","5","4","1") = "7"
    & skf18("2","2","5","8","5","5","1") = "7"
    & skf18("2","2","5","8","5","6","1") = "7"
    & skf18("2","2","5","8","5","7","1") = "7"
    & skf18("2","2","5","8","5","8","1") = "7"
    & skf18("2","2","5","8","5","9","1") = "8"
    & skf18("2","2","5","8","5","10","1") = "9"
    & skf18("2","2","5","8","6","1","1") = "7"
    & skf18("2","2","5","8","6","2","1") = "7"
    & skf18("2","2","5","8","6","3","1") = "7"
    & skf18("2","2","5","8","6","4","1") = "7"
    & skf18("2","2","5","8","6","5","1") = "7"
    & skf18("2","2","5","8","6","6","1") = "7"
    & skf18("2","2","5","8","6","7","1") = "7"
    & skf18("2","2","5","8","6","8","1") = "7"
    & skf18("2","2","5","8","6","9","1") = "8"
    & skf18("2","2","5","8","6","10","1") = "9"
    & skf18("2","2","5","8","7","1","1") = "7"
    & skf18("2","2","5","8","7","2","1") = "7"
    & skf18("2","2","5","8","7","3","1") = "7"
    & skf18("2","2","5","8","7","4","1") = "7"
    & skf18("2","2","5","8","7","5","1") = "7"
    & skf18("2","2","5","8","7","6","1") = "7"
    & skf18("2","2","5","8","7","7","1") = "7"
    & skf18("2","2","5","8","7","8","1") = "7"
    & skf18("2","2","5","8","7","9","1") = "8"
    & skf18("2","2","5","8","7","10","1") = "9"
    & skf18("2","2","5","8","8","1","1") = "7"
    & skf18("2","2","5","8","8","2","1") = "7"
    & skf18("2","2","5","8","8","3","1") = "7"
    & skf18("2","2","5","8","8","4","1") = "7"
    & skf18("2","2","5","8","8","5","1") = "7"
    & skf18("2","2","5","8","8","6","1") = "7"
    & skf18("2","2","5","8","8","7","1") = "7"
    & skf18("2","2","5","8","8","8","1") = "7"
    & skf18("2","2","5","8","8","9","1") = "8"
    & skf18("2","2","5","8","8","10","1") = "9"
    & skf18("2","2","5","8","9","1","1") = "8"
    & skf18("2","2","5","8","9","2","1") = "8"
    & skf18("2","2","5","8","9","3","1") = "8"
    & skf18("2","2","5","8","9","4","1") = "8"
    & skf18("2","2","5","8","9","5","1") = "8"
    & skf18("2","2","5","8","9","6","1") = "8"
    & skf18("2","2","5","8","9","7","1") = "8"
    & skf18("2","2","5","8","9","8","1") = "8"
    & skf18("2","2","5","8","9","9","1") = "8"
    & skf18("2","2","5","8","9","10","1") = "9"
    & skf18("2","2","5","8","10","1","1") = "9"
    & skf18("2","2","5","8","10","2","1") = "9"
    & skf18("2","2","5","8","10","3","1") = "9"
    & skf18("2","2","5","8","10","4","1") = "9"
    & skf18("2","2","5","8","10","5","1") = "9"
    & skf18("2","2","5","8","10","6","1") = "9"
    & skf18("2","2","5","8","10","7","1") = "9"
    & skf18("2","2","5","8","10","8","1") = "9"
    & skf18("2","2","5","8","10","9","1") = "9"
    & skf18("2","2","5","8","10","10","1") = "9"
    & skf18("2","2","5","9","1","1","1") = "8"
    & skf18("2","2","5","9","1","2","1") = "8"
    & skf18("2","2","5","9","1","3","1") = "8"
    & skf18("2","2","5","9","1","4","1") = "8"
    & skf18("2","2","5","9","1","5","1") = "8"
    & skf18("2","2","5","9","1","6","1") = "8"
    & skf18("2","2","5","9","1","7","1") = "8"
    & skf18("2","2","5","9","1","8","1") = "8"
    & skf18("2","2","5","9","1","9","1") = "8"
    & skf18("2","2","5","9","1","10","1") = "9"
    & skf18("2","2","5","9","2","1","1") = "8"
    & skf18("2","2","5","9","2","2","1") = "8"
    & skf18("2","2","5","9","2","3","1") = "8"
    & skf18("2","2","5","9","2","4","1") = "8"
    & skf18("2","2","5","9","2","5","1") = "8"
    & skf18("2","2","5","9","2","6","1") = "8"
    & skf18("2","2","5","9","2","7","1") = "8"
    & skf18("2","2","5","9","2","8","1") = "8"
    & skf18("2","2","5","9","2","9","1") = "8"
    & skf18("2","2","5","9","2","10","1") = "9"
    & skf18("2","2","5","9","3","1","1") = "8"
    & skf18("2","2","5","9","3","2","1") = "8"
    & skf18("2","2","5","9","3","3","1") = "8"
    & skf18("2","2","5","9","3","4","1") = "8"
    & skf18("2","2","5","9","3","5","1") = "8"
    & skf18("2","2","5","9","3","6","1") = "8"
    & skf18("2","2","5","9","3","7","1") = "8"
    & skf18("2","2","5","9","3","8","1") = "8"
    & skf18("2","2","5","9","3","9","1") = "8"
    & skf18("2","2","5","9","3","10","1") = "9"
    & skf18("2","2","5","9","4","1","1") = "8"
    & skf18("2","2","5","9","4","2","1") = "8"
    & skf18("2","2","5","9","4","3","1") = "8"
    & skf18("2","2","5","9","4","4","1") = "8"
    & skf18("2","2","5","9","4","5","1") = "8"
    & skf18("2","2","5","9","4","6","1") = "8"
    & skf18("2","2","5","9","4","7","1") = "8"
    & skf18("2","2","5","9","4","8","1") = "8"
    & skf18("2","2","5","9","4","9","1") = "8"
    & skf18("2","2","5","9","4","10","1") = "9"
    & skf18("2","2","5","9","5","1","1") = "8"
    & skf18("2","2","5","9","5","2","1") = "8"
    & skf18("2","2","5","9","5","3","1") = "8"
    & skf18("2","2","5","9","5","4","1") = "8"
    & skf18("2","2","5","9","5","5","1") = "8"
    & skf18("2","2","5","9","5","6","1") = "8"
    & skf18("2","2","5","9","5","7","1") = "8"
    & skf18("2","2","5","9","5","8","1") = "8"
    & skf18("2","2","5","9","5","9","1") = "8"
    & skf18("2","2","5","9","5","10","1") = "9"
    & skf18("2","2","5","9","6","1","1") = "8"
    & skf18("2","2","5","9","6","2","1") = "8"
    & skf18("2","2","5","9","6","3","1") = "8"
    & skf18("2","2","5","9","6","4","1") = "8"
    & skf18("2","2","5","9","6","5","1") = "8"
    & skf18("2","2","5","9","6","6","1") = "8"
    & skf18("2","2","5","9","6","7","1") = "8"
    & skf18("2","2","5","9","6","8","1") = "8"
    & skf18("2","2","5","9","6","9","1") = "8"
    & skf18("2","2","5","9","6","10","1") = "9"
    & skf18("2","2","5","9","7","1","1") = "8"
    & skf18("2","2","5","9","7","2","1") = "8"
    & skf18("2","2","5","9","7","3","1") = "8"
    & skf18("2","2","5","9","7","4","1") = "8"
    & skf18("2","2","5","9","7","5","1") = "8"
    & skf18("2","2","5","9","7","6","1") = "8"
    & skf18("2","2","5","9","7","7","1") = "8"
    & skf18("2","2","5","9","7","8","1") = "8"
    & skf18("2","2","5","9","7","9","1") = "8"
    & skf18("2","2","5","9","7","10","1") = "9"
    & skf18("2","2","5","9","8","1","1") = "8"
    & skf18("2","2","5","9","8","2","1") = "8"
    & skf18("2","2","5","9","8","3","1") = "8"
    & skf18("2","2","5","9","8","4","1") = "8"
    & skf18("2","2","5","9","8","5","1") = "8"
    & skf18("2","2","5","9","8","6","1") = "8"
    & skf18("2","2","5","9","8","7","1") = "8"
    & skf18("2","2","5","9","8","8","1") = "8"
    & skf18("2","2","5","9","8","9","1") = "8"
    & skf18("2","2","5","9","8","10","1") = "9"
    & skf18("2","2","5","9","9","1","1") = "8"
    & skf18("2","2","5","9","9","2","1") = "8"
    & skf18("2","2","5","9","9","3","1") = "8"
    & skf18("2","2","5","9","9","4","1") = "8"
    & skf18("2","2","5","9","9","5","1") = "8"
    & skf18("2","2","5","9","9","6","1") = "8"
    & skf18("2","2","5","9","9","7","1") = "8"
    & skf18("2","2","5","9","9","8","1") = "8"
    & skf18("2","2","5","9","9","9","1") = "8"
    & skf18("2","2","5","9","9","10","1") = "9"
    & skf18("2","2","5","9","10","1","1") = "9"
    & skf18("2","2","5","9","10","2","1") = "9"
    & skf18("2","2","5","9","10","3","1") = "9"
    & skf18("2","2","5","9","10","4","1") = "9"
    & skf18("2","2","5","9","10","5","1") = "9"
    & skf18("2","2","5","9","10","6","1") = "9"
    & skf18("2","2","5","9","10","7","1") = "9"
    & skf18("2","2","5","9","10","8","1") = "9"
    & skf18("2","2","5","9","10","9","1") = "9"
    & skf18("2","2","5","9","10","10","1") = "9"
    & skf18("2","2","5","10","1","1","1") = "9"
    & skf18("2","2","5","10","1","2","1") = "9"
    & skf18("2","2","5","10","1","3","1") = "9"
    & skf18("2","2","5","10","1","4","1") = "9"
    & skf18("2","2","5","10","1","5","1") = "9"
    & skf18("2","2","5","10","1","6","1") = "9"
    & skf18("2","2","5","10","1","7","1") = "9"
    & skf18("2","2","5","10","1","8","1") = "9"
    & skf18("2","2","5","10","1","9","1") = "9"
    & skf18("2","2","5","10","1","10","1") = "9"
    & skf18("2","2","5","10","2","1","1") = "9"
    & skf18("2","2","5","10","2","2","1") = "9"
    & skf18("2","2","5","10","2","3","1") = "9"
    & skf18("2","2","5","10","2","4","1") = "9"
    & skf18("2","2","5","10","2","5","1") = "9"
    & skf18("2","2","5","10","2","6","1") = "9"
    & skf18("2","2","5","10","2","7","1") = "9"
    & skf18("2","2","5","10","2","8","1") = "9"
    & skf18("2","2","5","10","2","9","1") = "9"
    & skf18("2","2","5","10","2","10","1") = "9"
    & skf18("2","2","5","10","3","1","1") = "9"
    & skf18("2","2","5","10","3","2","1") = "9"
    & skf18("2","2","5","10","3","3","1") = "9"
    & skf18("2","2","5","10","3","4","1") = "9"
    & skf18("2","2","5","10","3","5","1") = "9"
    & skf18("2","2","5","10","3","6","1") = "9"
    & skf18("2","2","5","10","3","7","1") = "9"
    & skf18("2","2","5","10","3","8","1") = "9"
    & skf18("2","2","5","10","3","9","1") = "9"
    & skf18("2","2","5","10","3","10","1") = "9"
    & skf18("2","2","5","10","4","1","1") = "9"
    & skf18("2","2","5","10","4","2","1") = "9"
    & skf18("2","2","5","10","4","3","1") = "9"
    & skf18("2","2","5","10","4","4","1") = "9"
    & skf18("2","2","5","10","4","5","1") = "9"
    & skf18("2","2","5","10","4","6","1") = "9"
    & skf18("2","2","5","10","4","7","1") = "9"
    & skf18("2","2","5","10","4","8","1") = "9"
    & skf18("2","2","5","10","4","9","1") = "9"
    & skf18("2","2","5","10","4","10","1") = "9"
    & skf18("2","2","5","10","5","1","1") = "9"
    & skf18("2","2","5","10","5","2","1") = "9"
    & skf18("2","2","5","10","5","3","1") = "9"
    & skf18("2","2","5","10","5","4","1") = "9"
    & skf18("2","2","5","10","5","5","1") = "9"
    & skf18("2","2","5","10","5","6","1") = "9"
    & skf18("2","2","5","10","5","7","1") = "9"
    & skf18("2","2","5","10","5","8","1") = "9"
    & skf18("2","2","5","10","5","9","1") = "9"
    & skf18("2","2","5","10","5","10","1") = "9"
    & skf18("2","2","5","10","6","1","1") = "9"
    & skf18("2","2","5","10","6","2","1") = "9"
    & skf18("2","2","5","10","6","3","1") = "9"
    & skf18("2","2","5","10","6","4","1") = "9"
    & skf18("2","2","5","10","6","5","1") = "9"
    & skf18("2","2","5","10","6","6","1") = "9"
    & skf18("2","2","5","10","6","7","1") = "9"
    & skf18("2","2","5","10","6","8","1") = "9"
    & skf18("2","2","5","10","6","9","1") = "9"
    & skf18("2","2","5","10","6","10","1") = "9"
    & skf18("2","2","5","10","7","1","1") = "9"
    & skf18("2","2","5","10","7","2","1") = "9"
    & skf18("2","2","5","10","7","3","1") = "9"
    & skf18("2","2","5","10","7","4","1") = "9"
    & skf18("2","2","5","10","7","5","1") = "9"
    & skf18("2","2","5","10","7","6","1") = "9"
    & skf18("2","2","5","10","7","7","1") = "9"
    & skf18("2","2","5","10","7","8","1") = "9"
    & skf18("2","2","5","10","7","9","1") = "9"
    & skf18("2","2","5","10","7","10","1") = "9"
    & skf18("2","2","5","10","8","1","1") = "9"
    & skf18("2","2","5","10","8","2","1") = "9"
    & skf18("2","2","5","10","8","3","1") = "9"
    & skf18("2","2","5","10","8","4","1") = "9"
    & skf18("2","2","5","10","8","5","1") = "9"
    & skf18("2","2","5","10","8","6","1") = "9"
    & skf18("2","2","5","10","8","7","1") = "9"
    & skf18("2","2","5","10","8","8","1") = "9"
    & skf18("2","2","5","10","8","9","1") = "9"
    & skf18("2","2","5","10","8","10","1") = "9"
    & skf18("2","2","5","10","9","1","1") = "9"
    & skf18("2","2","5","10","9","2","1") = "9"
    & skf18("2","2","5","10","9","3","1") = "9"
    & skf18("2","2","5","10","9","4","1") = "9"
    & skf18("2","2","5","10","9","5","1") = "9"
    & skf18("2","2","5","10","9","6","1") = "9"
    & skf18("2","2","5","10","9","7","1") = "9"
    & skf18("2","2","5","10","9","8","1") = "9"
    & skf18("2","2","5","10","9","9","1") = "9"
    & skf18("2","2","5","10","9","10","1") = "9"
    & skf18("2","2","5","10","10","1","1") = "9"
    & skf18("2","2","5","10","10","2","1") = "9"
    & skf18("2","2","5","10","10","3","1") = "9"
    & skf18("2","2","5","10","10","4","1") = "9"
    & skf18("2","2","5","10","10","5","1") = "9"
    & skf18("2","2","5","10","10","6","1") = "9"
    & skf18("2","2","5","10","10","7","1") = "9"
    & skf18("2","2","5","10","10","8","1") = "9"
    & skf18("2","2","5","10","10","9","1") = "9"
    & skf18("2","2","5","10","10","10","1") = "9"
    & skf18("2","2","6","1","1","1","1") = "5"
    & skf18("2","2","6","1","1","2","1") = "5"
    & skf18("2","2","6","1","1","3","1") = "5"
    & skf18("2","2","6","1","1","4","1") = "5"
    & skf18("2","2","6","1","1","5","1") = "5"
    & skf18("2","2","6","1","1","6","1") = "5"
    & skf18("2","2","6","1","1","7","1") = "6"
    & skf18("2","2","6","1","1","8","1") = "7"
    & skf18("2","2","6","1","1","9","1") = "8"
    & skf18("2","2","6","1","1","10","1") = "9"
    & skf18("2","2","6","1","2","1","1") = "5"
    & skf18("2","2","6","1","2","2","1") = "5"
    & skf18("2","2","6","1","2","3","1") = "5"
    & skf18("2","2","6","1","2","4","1") = "5"
    & skf18("2","2","6","1","2","5","1") = "5"
    & skf18("2","2","6","1","2","6","1") = "5"
    & skf18("2","2","6","1","2","7","1") = "6"
    & skf18("2","2","6","1","2","8","1") = "7"
    & skf18("2","2","6","1","2","9","1") = "8"
    & skf18("2","2","6","1","2","10","1") = "9"
    & skf18("2","2","6","1","3","1","1") = "5"
    & skf18("2","2","6","1","3","2","1") = "5"
    & skf18("2","2","6","1","3","3","1") = "5"
    & skf18("2","2","6","1","3","4","1") = "5"
    & skf18("2","2","6","1","3","5","1") = "5"
    & skf18("2","2","6","1","3","6","1") = "5"
    & skf18("2","2","6","1","3","7","1") = "6"
    & skf18("2","2","6","1","3","8","1") = "7"
    & skf18("2","2","6","1","3","9","1") = "8"
    & skf18("2","2","6","1","3","10","1") = "9"
    & skf18("2","2","6","1","4","1","1") = "5"
    & skf18("2","2","6","1","4","2","1") = "5"
    & skf18("2","2","6","1","4","3","1") = "5"
    & skf18("2","2","6","1","4","4","1") = "5"
    & skf18("2","2","6","1","4","5","1") = "5"
    & skf18("2","2","6","1","4","6","1") = "5"
    & skf18("2","2","6","1","4","7","1") = "6"
    & skf18("2","2","6","1","4","8","1") = "7"
    & skf18("2","2","6","1","4","9","1") = "8"
    & skf18("2","2","6","1","4","10","1") = "9"
    & skf18("2","2","6","1","5","1","1") = "5"
    & skf18("2","2","6","1","5","2","1") = "5"
    & skf18("2","2","6","1","5","3","1") = "5"
    & skf18("2","2","6","1","5","4","1") = "5"
    & skf18("2","2","6","1","5","5","1") = "5"
    & skf18("2","2","6","1","5","6","1") = "5"
    & skf18("2","2","6","1","5","7","1") = "6"
    & skf18("2","2","6","1","5","8","1") = "7"
    & skf18("2","2","6","1","5","9","1") = "8"
    & skf18("2","2","6","1","5","10","1") = "9"
    & skf18("2","2","6","1","6","1","1") = "5"
    & skf18("2","2","6","1","6","2","1") = "5"
    & skf18("2","2","6","1","6","3","1") = "5"
    & skf18("2","2","6","1","6","4","1") = "5"
    & skf18("2","2","6","1","6","5","1") = "5"
    & skf18("2","2","6","1","6","6","1") = "5"
    & skf18("2","2","6","1","6","7","1") = "6"
    & skf18("2","2","6","1","6","8","1") = "7"
    & skf18("2","2","6","1","6","9","1") = "8"
    & skf18("2","2","6","1","6","10","1") = "9"
    & skf18("2","2","6","1","7","1","1") = "6"
    & skf18("2","2","6","1","7","2","1") = "6"
    & skf18("2","2","6","1","7","3","1") = "6"
    & skf18("2","2","6","1","7","4","1") = "6"
    & skf18("2","2","6","1","7","5","1") = "6"
    & skf18("2","2","6","1","7","6","1") = "6"
    & skf18("2","2","6","1","7","7","1") = "6"
    & skf18("2","2","6","1","7","8","1") = "7"
    & skf18("2","2","6","1","7","9","1") = "8"
    & skf18("2","2","6","1","7","10","1") = "9"
    & skf18("2","2","6","1","8","1","1") = "7"
    & skf18("2","2","6","1","8","2","1") = "7"
    & skf18("2","2","6","1","8","3","1") = "7"
    & skf18("2","2","6","1","8","4","1") = "7"
    & skf18("2","2","6","1","8","5","1") = "7"
    & skf18("2","2","6","1","8","6","1") = "7"
    & skf18("2","2","6","1","8","7","1") = "7"
    & skf18("2","2","6","1","8","8","1") = "7"
    & skf18("2","2","6","1","8","9","1") = "8"
    & skf18("2","2","6","1","8","10","1") = "9"
    & skf18("2","2","6","1","9","1","1") = "8"
    & skf18("2","2","6","1","9","2","1") = "8"
    & skf18("2","2","6","1","9","3","1") = "8"
    & skf18("2","2","6","1","9","4","1") = "8"
    & skf18("2","2","6","1","9","5","1") = "8"
    & skf18("2","2","6","1","9","6","1") = "8"
    & skf18("2","2","6","1","9","7","1") = "8"
    & skf18("2","2","6","1","9","8","1") = "8"
    & skf18("2","2","6","1","9","9","1") = "8"
    & skf18("2","2","6","1","9","10","1") = "9"
    & skf18("2","2","6","1","10","1","1") = "9"
    & skf18("2","2","6","1","10","2","1") = "9"
    & skf18("2","2","6","1","10","3","1") = "9"
    & skf18("2","2","6","1","10","4","1") = "9"
    & skf18("2","2","6","1","10","5","1") = "9"
    & skf18("2","2","6","1","10","6","1") = "9"
    & skf18("2","2","6","1","10","7","1") = "9"
    & skf18("2","2","6","1","10","8","1") = "9"
    & skf18("2","2","6","1","10","9","1") = "9"
    & skf18("2","2","6","1","10","10","1") = "9"
    & skf18("2","2","6","2","1","1","1") = "5"
    & skf18("2","2","6","2","1","2","1") = "5"
    & skf18("2","2","6","2","1","3","1") = "5"
    & skf18("2","2","6","2","1","4","1") = "5"
    & skf18("2","2","6","2","1","5","1") = "5"
    & skf18("2","2","6","2","1","6","1") = "5"
    & skf18("2","2","6","2","1","7","1") = "6"
    & skf18("2","2","6","2","1","8","1") = "7"
    & skf18("2","2","6","2","1","9","1") = "8"
    & skf18("2","2","6","2","1","10","1") = "9"
    & skf18("2","2","6","2","2","1","1") = "5"
    & skf18("2","2","6","2","2","2","1") = "5"
    & skf18("2","2","6","2","2","3","1") = "5"
    & skf18("2","2","6","2","2","4","1") = "5"
    & skf18("2","2","6","2","2","5","1") = "5"
    & skf18("2","2","6","2","2","6","1") = "5"
    & skf18("2","2","6","2","2","7","1") = "6"
    & skf18("2","2","6","2","2","8","1") = "7"
    & skf18("2","2","6","2","2","9","1") = "8"
    & skf18("2","2","6","2","2","10","1") = "9"
    & skf18("2","2","6","2","3","1","1") = "5"
    & skf18("2","2","6","2","3","2","1") = "5"
    & skf18("2","2","6","2","3","3","1") = "5"
    & skf18("2","2","6","2","3","4","1") = "5"
    & skf18("2","2","6","2","3","5","1") = "5"
    & skf18("2","2","6","2","3","6","1") = "5"
    & skf18("2","2","6","2","3","7","1") = "6"
    & skf18("2","2","6","2","3","8","1") = "7"
    & skf18("2","2","6","2","3","9","1") = "8"
    & skf18("2","2","6","2","3","10","1") = "9"
    & skf18("2","2","6","2","4","1","1") = "5"
    & skf18("2","2","6","2","4","2","1") = "5"
    & skf18("2","2","6","2","4","3","1") = "5"
    & skf18("2","2","6","2","4","4","1") = "5"
    & skf18("2","2","6","2","4","5","1") = "5"
    & skf18("2","2","6","2","4","6","1") = "5"
    & skf18("2","2","6","2","4","7","1") = "6"
    & skf18("2","2","6","2","4","8","1") = "7"
    & skf18("2","2","6","2","4","9","1") = "8"
    & skf18("2","2","6","2","4","10","1") = "9"
    & skf18("2","2","6","2","5","1","1") = "5"
    & skf18("2","2","6","2","5","2","1") = "5"
    & skf18("2","2","6","2","5","3","1") = "5"
    & skf18("2","2","6","2","5","4","1") = "5"
    & skf18("2","2","6","2","5","5","1") = "5"
    & skf18("2","2","6","2","5","6","1") = "5"
    & skf18("2","2","6","2","5","7","1") = "6"
    & skf18("2","2","6","2","5","8","1") = "7"
    & skf18("2","2","6","2","5","9","1") = "8"
    & skf18("2","2","6","2","5","10","1") = "9"
    & skf18("2","2","6","2","6","1","1") = "5"
    & skf18("2","2","6","2","6","2","1") = "5"
    & skf18("2","2","6","2","6","3","1") = "5"
    & skf18("2","2","6","2","6","4","1") = "5"
    & skf18("2","2","6","2","6","5","1") = "5"
    & skf18("2","2","6","2","6","6","1") = "5"
    & skf18("2","2","6","2","6","7","1") = "6"
    & skf18("2","2","6","2","6","8","1") = "7"
    & skf18("2","2","6","2","6","9","1") = "8"
    & skf18("2","2","6","2","6","10","1") = "9"
    & skf18("2","2","6","2","7","1","1") = "6"
    & skf18("2","2","6","2","7","2","1") = "6"
    & skf18("2","2","6","2","7","3","1") = "6"
    & skf18("2","2","6","2","7","4","1") = "6"
    & skf18("2","2","6","2","7","5","1") = "6"
    & skf18("2","2","6","2","7","6","1") = "6"
    & skf18("2","2","6","2","7","7","1") = "6"
    & skf18("2","2","6","2","7","8","1") = "7"
    & skf18("2","2","6","2","7","9","1") = "8"
    & skf18("2","2","6","2","7","10","1") = "9"
    & skf18("2","2","6","2","8","1","1") = "7"
    & skf18("2","2","6","2","8","2","1") = "7"
    & skf18("2","2","6","2","8","3","1") = "7"
    & skf18("2","2","6","2","8","4","1") = "7"
    & skf18("2","2","6","2","8","5","1") = "7"
    & skf18("2","2","6","2","8","6","1") = "7"
    & skf18("2","2","6","2","8","7","1") = "7"
    & skf18("2","2","6","2","8","8","1") = "7"
    & skf18("2","2","6","2","8","9","1") = "8"
    & skf18("2","2","6","2","8","10","1") = "9"
    & skf18("2","2","6","2","9","1","1") = "8"
    & skf18("2","2","6","2","9","2","1") = "8"
    & skf18("2","2","6","2","9","3","1") = "8"
    & skf18("2","2","6","2","9","4","1") = "8"
    & skf18("2","2","6","2","9","5","1") = "8"
    & skf18("2","2","6","2","9","6","1") = "8"
    & skf18("2","2","6","2","9","7","1") = "8"
    & skf18("2","2","6","2","9","8","1") = "8"
    & skf18("2","2","6","2","9","9","1") = "8"
    & skf18("2","2","6","2","9","10","1") = "9"
    & skf18("2","2","6","2","10","1","1") = "9"
    & skf18("2","2","6","2","10","2","1") = "9"
    & skf18("2","2","6","2","10","3","1") = "9"
    & skf18("2","2","6","2","10","4","1") = "9"
    & skf18("2","2","6","2","10","5","1") = "9"
    & skf18("2","2","6","2","10","6","1") = "9"
    & skf18("2","2","6","2","10","7","1") = "9"
    & skf18("2","2","6","2","10","8","1") = "9"
    & skf18("2","2","6","2","10","9","1") = "9"
    & skf18("2","2","6","2","10","10","1") = "9"
    & skf18("2","2","6","3","1","1","1") = "5"
    & skf18("2","2","6","3","1","2","1") = "5"
    & skf18("2","2","6","3","1","3","1") = "5"
    & skf18("2","2","6","3","1","4","1") = "5"
    & skf18("2","2","6","3","1","5","1") = "5"
    & skf18("2","2","6","3","1","6","1") = "5"
    & skf18("2","2","6","3","1","7","1") = "6"
    & skf18("2","2","6","3","1","8","1") = "7"
    & skf18("2","2","6","3","1","9","1") = "8"
    & skf18("2","2","6","3","1","10","1") = "9"
    & skf18("2","2","6","3","2","1","1") = "5"
    & skf18("2","2","6","3","2","2","1") = "5"
    & skf18("2","2","6","3","2","3","1") = "5"
    & skf18("2","2","6","3","2","4","1") = "5"
    & skf18("2","2","6","3","2","5","1") = "5"
    & skf18("2","2","6","3","2","6","1") = "5"
    & skf18("2","2","6","3","2","7","1") = "6"
    & skf18("2","2","6","3","2","8","1") = "7"
    & skf18("2","2","6","3","2","9","1") = "8"
    & skf18("2","2","6","3","2","10","1") = "9"
    & skf18("2","2","6","3","3","1","1") = "5"
    & skf18("2","2","6","3","3","2","1") = "5"
    & skf18("2","2","6","3","3","3","1") = "5"
    & skf18("2","2","6","3","3","4","1") = "5"
    & skf18("2","2","6","3","3","5","1") = "5"
    & skf18("2","2","6","3","3","6","1") = "5"
    & skf18("2","2","6","3","3","7","1") = "6"
    & skf18("2","2","6","3","3","8","1") = "7"
    & skf18("2","2","6","3","3","9","1") = "8"
    & skf18("2","2","6","3","3","10","1") = "9"
    & skf18("2","2","6","3","4","1","1") = "5"
    & skf18("2","2","6","3","4","2","1") = "5"
    & skf18("2","2","6","3","4","3","1") = "5"
    & skf18("2","2","6","3","4","4","1") = "5"
    & skf18("2","2","6","3","4","5","1") = "5"
    & skf18("2","2","6","3","4","6","1") = "5"
    & skf18("2","2","6","3","4","7","1") = "6"
    & skf18("2","2","6","3","4","8","1") = "7"
    & skf18("2","2","6","3","4","9","1") = "8"
    & skf18("2","2","6","3","4","10","1") = "9"
    & skf18("2","2","6","3","5","1","1") = "5"
    & skf18("2","2","6","3","5","2","1") = "5"
    & skf18("2","2","6","3","5","3","1") = "5"
    & skf18("2","2","6","3","5","4","1") = "5"
    & skf18("2","2","6","3","5","5","1") = "5"
    & skf18("2","2","6","3","5","6","1") = "5"
    & skf18("2","2","6","3","5","7","1") = "6"
    & skf18("2","2","6","3","5","8","1") = "7"
    & skf18("2","2","6","3","5","9","1") = "8"
    & skf18("2","2","6","3","5","10","1") = "9"
    & skf18("2","2","6","3","6","1","1") = "5"
    & skf18("2","2","6","3","6","2","1") = "5"
    & skf18("2","2","6","3","6","3","1") = "5"
    & skf18("2","2","6","3","6","4","1") = "5"
    & skf18("2","2","6","3","6","5","1") = "5"
    & skf18("2","2","6","3","6","6","1") = "5"
    & skf18("2","2","6","3","6","7","1") = "6"
    & skf18("2","2","6","3","6","8","1") = "7"
    & skf18("2","2","6","3","6","9","1") = "8"
    & skf18("2","2","6","3","6","10","1") = "9"
    & skf18("2","2","6","3","7","1","1") = "6"
    & skf18("2","2","6","3","7","2","1") = "6"
    & skf18("2","2","6","3","7","3","1") = "6"
    & skf18("2","2","6","3","7","4","1") = "6"
    & skf18("2","2","6","3","7","5","1") = "6"
    & skf18("2","2","6","3","7","6","1") = "6"
    & skf18("2","2","6","3","7","7","1") = "6"
    & skf18("2","2","6","3","7","8","1") = "7"
    & skf18("2","2","6","3","7","9","1") = "8"
    & skf18("2","2","6","3","7","10","1") = "9"
    & skf18("2","2","6","3","8","1","1") = "7"
    & skf18("2","2","6","3","8","2","1") = "7"
    & skf18("2","2","6","3","8","3","1") = "7"
    & skf18("2","2","6","3","8","4","1") = "7"
    & skf18("2","2","6","3","8","5","1") = "7"
    & skf18("2","2","6","3","8","6","1") = "7"
    & skf18("2","2","6","3","8","7","1") = "7"
    & skf18("2","2","6","3","8","8","1") = "7"
    & skf18("2","2","6","3","8","9","1") = "8"
    & skf18("2","2","6","3","8","10","1") = "9"
    & skf18("2","2","6","3","9","1","1") = "8"
    & skf18("2","2","6","3","9","2","1") = "8"
    & skf18("2","2","6","3","9","3","1") = "8"
    & skf18("2","2","6","3","9","4","1") = "8"
    & skf18("2","2","6","3","9","5","1") = "8"
    & skf18("2","2","6","3","9","6","1") = "8"
    & skf18("2","2","6","3","9","7","1") = "8"
    & skf18("2","2","6","3","9","8","1") = "8"
    & skf18("2","2","6","3","9","9","1") = "8"
    & skf18("2","2","6","3","9","10","1") = "9"
    & skf18("2","2","6","3","10","1","1") = "9"
    & skf18("2","2","6","3","10","2","1") = "9"
    & skf18("2","2","6","3","10","3","1") = "9"
    & skf18("2","2","6","3","10","4","1") = "9"
    & skf18("2","2","6","3","10","5","1") = "9"
    & skf18("2","2","6","3","10","6","1") = "9"
    & skf18("2","2","6","3","10","7","1") = "9"
    & skf18("2","2","6","3","10","8","1") = "9"
    & skf18("2","2","6","3","10","9","1") = "9"
    & skf18("2","2","6","3","10","10","1") = "9"
    & skf18("2","2","6","4","1","1","1") = "5"
    & skf18("2","2","6","4","1","2","1") = "5"
    & skf18("2","2","6","4","1","3","1") = "5"
    & skf18("2","2","6","4","1","4","1") = "5"
    & skf18("2","2","6","4","1","5","1") = "5"
    & skf18("2","2","6","4","1","6","1") = "5"
    & skf18("2","2","6","4","1","7","1") = "6"
    & skf18("2","2","6","4","1","8","1") = "7"
    & skf18("2","2","6","4","1","9","1") = "8"
    & skf18("2","2","6","4","1","10","1") = "9"
    & skf18("2","2","6","4","2","1","1") = "5"
    & skf18("2","2","6","4","2","2","1") = "5"
    & skf18("2","2","6","4","2","3","1") = "5"
    & skf18("2","2","6","4","2","4","1") = "5"
    & skf18("2","2","6","4","2","5","1") = "5"
    & skf18("2","2","6","4","2","6","1") = "5"
    & skf18("2","2","6","4","2","7","1") = "6"
    & skf18("2","2","6","4","2","8","1") = "7"
    & skf18("2","2","6","4","2","9","1") = "8"
    & skf18("2","2","6","4","2","10","1") = "9"
    & skf18("2","2","6","4","3","1","1") = "5"
    & skf18("2","2","6","4","3","2","1") = "5"
    & skf18("2","2","6","4","3","3","1") = "5"
    & skf18("2","2","6","4","3","4","1") = "5"
    & skf18("2","2","6","4","3","5","1") = "5"
    & skf18("2","2","6","4","3","6","1") = "5"
    & skf18("2","2","6","4","3","7","1") = "6"
    & skf18("2","2","6","4","3","8","1") = "7"
    & skf18("2","2","6","4","3","9","1") = "8"
    & skf18("2","2","6","4","3","10","1") = "9"
    & skf18("2","2","6","4","4","1","1") = "5"
    & skf18("2","2","6","4","4","2","1") = "5"
    & skf18("2","2","6","4","4","3","1") = "5"
    & skf18("2","2","6","4","4","4","1") = "5"
    & skf18("2","2","6","4","4","5","1") = "5"
    & skf18("2","2","6","4","4","6","1") = "5"
    & skf18("2","2","6","4","4","7","1") = "6"
    & skf18("2","2","6","4","4","8","1") = "7"
    & skf18("2","2","6","4","4","9","1") = "8"
    & skf18("2","2","6","4","4","10","1") = "9"
    & skf18("2","2","6","4","5","1","1") = "5"
    & skf18("2","2","6","4","5","2","1") = "5"
    & skf18("2","2","6","4","5","3","1") = "5"
    & skf18("2","2","6","4","5","4","1") = "5"
    & skf18("2","2","6","4","5","5","1") = "5"
    & skf18("2","2","6","4","5","6","1") = "5"
    & skf18("2","2","6","4","5","7","1") = "6"
    & skf18("2","2","6","4","5","8","1") = "7"
    & skf18("2","2","6","4","5","9","1") = "8"
    & skf18("2","2","6","4","5","10","1") = "9"
    & skf18("2","2","6","4","6","1","1") = "5"
    & skf18("2","2","6","4","6","2","1") = "5"
    & skf18("2","2","6","4","6","3","1") = "5"
    & skf18("2","2","6","4","6","4","1") = "5"
    & skf18("2","2","6","4","6","5","1") = "5"
    & skf18("2","2","6","4","6","6","1") = "5"
    & skf18("2","2","6","4","6","7","1") = "6"
    & skf18("2","2","6","4","6","8","1") = "7"
    & skf18("2","2","6","4","6","9","1") = "8"
    & skf18("2","2","6","4","6","10","1") = "9"
    & skf18("2","2","6","4","7","1","1") = "6"
    & skf18("2","2","6","4","7","2","1") = "6"
    & skf18("2","2","6","4","7","3","1") = "6"
    & skf18("2","2","6","4","7","4","1") = "6"
    & skf18("2","2","6","4","7","5","1") = "6"
    & skf18("2","2","6","4","7","6","1") = "6"
    & skf18("2","2","6","4","7","7","1") = "6"
    & skf18("2","2","6","4","7","8","1") = "7"
    & skf18("2","2","6","4","7","9","1") = "8"
    & skf18("2","2","6","4","7","10","1") = "9"
    & skf18("2","2","6","4","8","1","1") = "7"
    & skf18("2","2","6","4","8","2","1") = "7"
    & skf18("2","2","6","4","8","3","1") = "7"
    & skf18("2","2","6","4","8","4","1") = "7"
    & skf18("2","2","6","4","8","5","1") = "7"
    & skf18("2","2","6","4","8","6","1") = "7"
    & skf18("2","2","6","4","8","7","1") = "7"
    & skf18("2","2","6","4","8","8","1") = "7"
    & skf18("2","2","6","4","8","9","1") = "8"
    & skf18("2","2","6","4","8","10","1") = "9"
    & skf18("2","2","6","4","9","1","1") = "8"
    & skf18("2","2","6","4","9","2","1") = "8"
    & skf18("2","2","6","4","9","3","1") = "8"
    & skf18("2","2","6","4","9","4","1") = "8"
    & skf18("2","2","6","4","9","5","1") = "8"
    & skf18("2","2","6","4","9","6","1") = "8"
    & skf18("2","2","6","4","9","7","1") = "8"
    & skf18("2","2","6","4","9","8","1") = "8"
    & skf18("2","2","6","4","9","9","1") = "8"
    & skf18("2","2","6","4","9","10","1") = "9"
    & skf18("2","2","6","4","10","1","1") = "9"
    & skf18("2","2","6","4","10","2","1") = "9"
    & skf18("2","2","6","4","10","3","1") = "9"
    & skf18("2","2","6","4","10","4","1") = "9"
    & skf18("2","2","6","4","10","5","1") = "9"
    & skf18("2","2","6","4","10","6","1") = "9"
    & skf18("2","2","6","4","10","7","1") = "9"
    & skf18("2","2","6","4","10","8","1") = "9"
    & skf18("2","2","6","4","10","9","1") = "9"
    & skf18("2","2","6","4","10","10","1") = "9"
    & skf18("2","2","6","5","1","1","1") = "5"
    & skf18("2","2","6","5","1","2","1") = "5"
    & skf18("2","2","6","5","1","3","1") = "5"
    & skf18("2","2","6","5","1","4","1") = "5"
    & skf18("2","2","6","5","1","5","1") = "5"
    & skf18("2","2","6","5","1","6","1") = "5"
    & skf18("2","2","6","5","1","7","1") = "6"
    & skf18("2","2","6","5","1","8","1") = "7"
    & skf18("2","2","6","5","1","9","1") = "8"
    & skf18("2","2","6","5","1","10","1") = "9"
    & skf18("2","2","6","5","2","1","1") = "5"
    & skf18("2","2","6","5","2","2","1") = "5"
    & skf18("2","2","6","5","2","3","1") = "5"
    & skf18("2","2","6","5","2","4","1") = "5"
    & skf18("2","2","6","5","2","5","1") = "5"
    & skf18("2","2","6","5","2","6","1") = "5"
    & skf18("2","2","6","5","2","7","1") = "6"
    & skf18("2","2","6","5","2","8","1") = "7"
    & skf18("2","2","6","5","2","9","1") = "8"
    & skf18("2","2","6","5","2","10","1") = "9"
    & skf18("2","2","6","5","3","1","1") = "5"
    & skf18("2","2","6","5","3","2","1") = "5"
    & skf18("2","2","6","5","3","3","1") = "5"
    & skf18("2","2","6","5","3","4","1") = "5"
    & skf18("2","2","6","5","3","5","1") = "5"
    & skf18("2","2","6","5","3","6","1") = "5"
    & skf18("2","2","6","5","3","7","1") = "6"
    & skf18("2","2","6","5","3","8","1") = "7"
    & skf18("2","2","6","5","3","9","1") = "8"
    & skf18("2","2","6","5","3","10","1") = "9"
    & skf18("2","2","6","5","4","1","1") = "5"
    & skf18("2","2","6","5","4","2","1") = "5"
    & skf18("2","2","6","5","4","3","1") = "5"
    & skf18("2","2","6","5","4","4","1") = "5"
    & skf18("2","2","6","5","4","5","1") = "5"
    & skf18("2","2","6","5","4","6","1") = "5"
    & skf18("2","2","6","5","4","7","1") = "6"
    & skf18("2","2","6","5","4","8","1") = "7"
    & skf18("2","2","6","5","4","9","1") = "8"
    & skf18("2","2","6","5","4","10","1") = "9"
    & skf18("2","2","6","5","5","1","1") = "5"
    & skf18("2","2","6","5","5","2","1") = "5"
    & skf18("2","2","6","5","5","3","1") = "5"
    & skf18("2","2","6","5","5","4","1") = "5"
    & skf18("2","2","6","5","5","5","1") = "5"
    & skf18("2","2","6","5","5","6","1") = "5"
    & skf18("2","2","6","5","5","7","1") = "6"
    & skf18("2","2","6","5","5","8","1") = "7"
    & skf18("2","2","6","5","5","9","1") = "8"
    & skf18("2","2","6","5","5","10","1") = "9"
    & skf18("2","2","6","5","6","1","1") = "5"
    & skf18("2","2","6","5","6","2","1") = "5"
    & skf18("2","2","6","5","6","3","1") = "5"
    & skf18("2","2","6","5","6","4","1") = "5"
    & skf18("2","2","6","5","6","5","1") = "5"
    & skf18("2","2","6","5","6","6","1") = "5"
    & skf18("2","2","6","5","6","7","1") = "6"
    & skf18("2","2","6","5","6","8","1") = "7"
    & skf18("2","2","6","5","6","9","1") = "8"
    & skf18("2","2","6","5","6","10","1") = "9"
    & skf18("2","2","6","5","7","1","1") = "6"
    & skf18("2","2","6","5","7","2","1") = "6"
    & skf18("2","2","6","5","7","3","1") = "6"
    & skf18("2","2","6","5","7","4","1") = "6"
    & skf18("2","2","6","5","7","5","1") = "6"
    & skf18("2","2","6","5","7","6","1") = "6"
    & skf18("2","2","6","5","7","7","1") = "6"
    & skf18("2","2","6","5","7","8","1") = "7"
    & skf18("2","2","6","5","7","9","1") = "8"
    & skf18("2","2","6","5","7","10","1") = "9"
    & skf18("2","2","6","5","8","1","1") = "7"
    & skf18("2","2","6","5","8","2","1") = "7"
    & skf18("2","2","6","5","8","3","1") = "7"
    & skf18("2","2","6","5","8","4","1") = "7"
    & skf18("2","2","6","5","8","5","1") = "7"
    & skf18("2","2","6","5","8","6","1") = "7"
    & skf18("2","2","6","5","8","7","1") = "7"
    & skf18("2","2","6","5","8","8","1") = "7"
    & skf18("2","2","6","5","8","9","1") = "8"
    & skf18("2","2","6","5","8","10","1") = "9"
    & skf18("2","2","6","5","9","1","1") = "8"
    & skf18("2","2","6","5","9","2","1") = "8"
    & skf18("2","2","6","5","9","3","1") = "8"
    & skf18("2","2","6","5","9","4","1") = "8"
    & skf18("2","2","6","5","9","5","1") = "8"
    & skf18("2","2","6","5","9","6","1") = "8"
    & skf18("2","2","6","5","9","7","1") = "8"
    & skf18("2","2","6","5","9","8","1") = "8"
    & skf18("2","2","6","5","9","9","1") = "8"
    & skf18("2","2","6","5","9","10","1") = "9"
    & skf18("2","2","6","5","10","1","1") = "9"
    & skf18("2","2","6","5","10","2","1") = "9"
    & skf18("2","2","6","5","10","3","1") = "9"
    & skf18("2","2","6","5","10","4","1") = "9"
    & skf18("2","2","6","5","10","5","1") = "9"
    & skf18("2","2","6","5","10","6","1") = "9"
    & skf18("2","2","6","5","10","7","1") = "9"
    & skf18("2","2","6","5","10","8","1") = "9"
    & skf18("2","2","6","5","10","9","1") = "9"
    & skf18("2","2","6","5","10","10","1") = "9"
    & skf18("2","2","6","6","1","1","1") = "5"
    & skf18("2","2","6","6","1","2","1") = "5"
    & skf18("2","2","6","6","1","3","1") = "5"
    & skf18("2","2","6","6","1","4","1") = "5"
    & skf18("2","2","6","6","1","5","1") = "5"
    & skf18("2","2","6","6","1","6","1") = "5"
    & skf18("2","2","6","6","1","7","1") = "6"
    & skf18("2","2","6","6","1","8","1") = "7"
    & skf18("2","2","6","6","1","9","1") = "8"
    & skf18("2","2","6","6","1","10","1") = "9"
    & skf18("2","2","6","6","2","1","1") = "5"
    & skf18("2","2","6","6","2","2","1") = "5"
    & skf18("2","2","6","6","2","3","1") = "5"
    & skf18("2","2","6","6","2","4","1") = "5"
    & skf18("2","2","6","6","2","5","1") = "5"
    & skf18("2","2","6","6","2","6","1") = "5"
    & skf18("2","2","6","6","2","7","1") = "6"
    & skf18("2","2","6","6","2","8","1") = "7"
    & skf18("2","2","6","6","2","9","1") = "8"
    & skf18("2","2","6","6","2","10","1") = "9"
    & skf18("2","2","6","6","3","1","1") = "5"
    & skf18("2","2","6","6","3","2","1") = "5"
    & skf18("2","2","6","6","3","3","1") = "5"
    & skf18("2","2","6","6","3","4","1") = "5"
    & skf18("2","2","6","6","3","5","1") = "5"
    & skf18("2","2","6","6","3","6","1") = "5"
    & skf18("2","2","6","6","3","7","1") = "6"
    & skf18("2","2","6","6","3","8","1") = "7"
    & skf18("2","2","6","6","3","9","1") = "8"
    & skf18("2","2","6","6","3","10","1") = "9"
    & skf18("2","2","6","6","4","1","1") = "5"
    & skf18("2","2","6","6","4","2","1") = "5"
    & skf18("2","2","6","6","4","3","1") = "5"
    & skf18("2","2","6","6","4","4","1") = "5"
    & skf18("2","2","6","6","4","5","1") = "5"
    & skf18("2","2","6","6","4","6","1") = "5"
    & skf18("2","2","6","6","4","7","1") = "6"
    & skf18("2","2","6","6","4","8","1") = "7"
    & skf18("2","2","6","6","4","9","1") = "8"
    & skf18("2","2","6","6","4","10","1") = "9"
    & skf18("2","2","6","6","5","1","1") = "5"
    & skf18("2","2","6","6","5","2","1") = "5"
    & skf18("2","2","6","6","5","3","1") = "5"
    & skf18("2","2","6","6","5","4","1") = "5"
    & skf18("2","2","6","6","5","5","1") = "5"
    & skf18("2","2","6","6","5","6","1") = "5"
    & skf18("2","2","6","6","5","7","1") = "6"
    & skf18("2","2","6","6","5","8","1") = "7"
    & skf18("2","2","6","6","5","9","1") = "8"
    & skf18("2","2","6","6","5","10","1") = "9"
    & skf18("2","2","6","6","6","1","1") = "5"
    & skf18("2","2","6","6","6","2","1") = "5"
    & skf18("2","2","6","6","6","3","1") = "5"
    & skf18("2","2","6","6","6","4","1") = "5"
    & skf18("2","2","6","6","6","5","1") = "5"
    & skf18("2","2","6","6","6","6","1") = "5"
    & skf18("2","2","6","6","6","7","1") = "6"
    & skf18("2","2","6","6","6","8","1") = "7"
    & skf18("2","2","6","6","6","9","1") = "8"
    & skf18("2","2","6","6","6","10","1") = "9"
    & skf18("2","2","6","6","7","1","1") = "6"
    & skf18("2","2","6","6","7","2","1") = "6"
    & skf18("2","2","6","6","7","3","1") = "6"
    & skf18("2","2","6","6","7","4","1") = "6"
    & skf18("2","2","6","6","7","5","1") = "6"
    & skf18("2","2","6","6","7","6","1") = "6"
    & skf18("2","2","6","6","7","7","1") = "6"
    & skf18("2","2","6","6","7","8","1") = "7"
    & skf18("2","2","6","6","7","9","1") = "8"
    & skf18("2","2","6","6","7","10","1") = "9"
    & skf18("2","2","6","6","8","1","1") = "7"
    & skf18("2","2","6","6","8","2","1") = "7"
    & skf18("2","2","6","6","8","3","1") = "7"
    & skf18("2","2","6","6","8","4","1") = "7"
    & skf18("2","2","6","6","8","5","1") = "7"
    & skf18("2","2","6","6","8","6","1") = "7"
    & skf18("2","2","6","6","8","7","1") = "7"
    & skf18("2","2","6","6","8","8","1") = "7"
    & skf18("2","2","6","6","8","9","1") = "8"
    & skf18("2","2","6","6","8","10","1") = "9"
    & skf18("2","2","6","6","9","1","1") = "8"
    & skf18("2","2","6","6","9","2","1") = "8"
    & skf18("2","2","6","6","9","3","1") = "8"
    & skf18("2","2","6","6","9","4","1") = "8"
    & skf18("2","2","6","6","9","5","1") = "8"
    & skf18("2","2","6","6","9","6","1") = "8"
    & skf18("2","2","6","6","9","7","1") = "8"
    & skf18("2","2","6","6","9","8","1") = "8"
    & skf18("2","2","6","6","9","9","1") = "8"
    & skf18("2","2","6","6","9","10","1") = "9"
    & skf18("2","2","6","6","10","1","1") = "9"
    & skf18("2","2","6","6","10","2","1") = "9"
    & skf18("2","2","6","6","10","3","1") = "9"
    & skf18("2","2","6","6","10","4","1") = "9"
    & skf18("2","2","6","6","10","5","1") = "9"
    & skf18("2","2","6","6","10","6","1") = "9"
    & skf18("2","2","6","6","10","7","1") = "9"
    & skf18("2","2","6","6","10","8","1") = "9"
    & skf18("2","2","6","6","10","9","1") = "9"
    & skf18("2","2","6","6","10","10","1") = "9"
    & skf18("2","2","6","7","1","1","1") = "6"
    & skf18("2","2","6","7","1","2","1") = "6"
    & skf18("2","2","6","7","1","3","1") = "6"
    & skf18("2","2","6","7","1","4","1") = "6"
    & skf18("2","2","6","7","1","5","1") = "6"
    & skf18("2","2","6","7","1","6","1") = "6"
    & skf18("2","2","6","7","1","7","1") = "6"
    & skf18("2","2","6","7","1","8","1") = "7"
    & skf18("2","2","6","7","1","9","1") = "8"
    & skf18("2","2","6","7","1","10","1") = "9"
    & skf18("2","2","6","7","2","1","1") = "6"
    & skf18("2","2","6","7","2","2","1") = "6"
    & skf18("2","2","6","7","2","3","1") = "6"
    & skf18("2","2","6","7","2","4","1") = "6"
    & skf18("2","2","6","7","2","5","1") = "6"
    & skf18("2","2","6","7","2","6","1") = "6"
    & skf18("2","2","6","7","2","7","1") = "6"
    & skf18("2","2","6","7","2","8","1") = "7"
    & skf18("2","2","6","7","2","9","1") = "8"
    & skf18("2","2","6","7","2","10","1") = "9"
    & skf18("2","2","6","7","3","1","1") = "6"
    & skf18("2","2","6","7","3","2","1") = "6"
    & skf18("2","2","6","7","3","3","1") = "6"
    & skf18("2","2","6","7","3","4","1") = "6"
    & skf18("2","2","6","7","3","5","1") = "6"
    & skf18("2","2","6","7","3","6","1") = "6"
    & skf18("2","2","6","7","3","7","1") = "6"
    & skf18("2","2","6","7","3","8","1") = "7"
    & skf18("2","2","6","7","3","9","1") = "8"
    & skf18("2","2","6","7","3","10","1") = "9"
    & skf18("2","2","6","7","4","1","1") = "6"
    & skf18("2","2","6","7","4","2","1") = "6"
    & skf18("2","2","6","7","4","3","1") = "6"
    & skf18("2","2","6","7","4","4","1") = "6"
    & skf18("2","2","6","7","4","5","1") = "6"
    & skf18("2","2","6","7","4","6","1") = "6"
    & skf18("2","2","6","7","4","7","1") = "6"
    & skf18("2","2","6","7","4","8","1") = "7"
    & skf18("2","2","6","7","4","9","1") = "8"
    & skf18("2","2","6","7","4","10","1") = "9"
    & skf18("2","2","6","7","5","1","1") = "6"
    & skf18("2","2","6","7","5","2","1") = "6"
    & skf18("2","2","6","7","5","3","1") = "6"
    & skf18("2","2","6","7","5","4","1") = "6"
    & skf18("2","2","6","7","5","5","1") = "6"
    & skf18("2","2","6","7","5","6","1") = "6"
    & skf18("2","2","6","7","5","7","1") = "6"
    & skf18("2","2","6","7","5","8","1") = "7"
    & skf18("2","2","6","7","5","9","1") = "8"
    & skf18("2","2","6","7","5","10","1") = "9"
    & skf18("2","2","6","7","6","1","1") = "6"
    & skf18("2","2","6","7","6","2","1") = "6"
    & skf18("2","2","6","7","6","3","1") = "6"
    & skf18("2","2","6","7","6","4","1") = "6"
    & skf18("2","2","6","7","6","5","1") = "6"
    & skf18("2","2","6","7","6","6","1") = "6"
    & skf18("2","2","6","7","6","7","1") = "6"
    & skf18("2","2","6","7","6","8","1") = "7"
    & skf18("2","2","6","7","6","9","1") = "8"
    & skf18("2","2","6","7","6","10","1") = "9"
    & skf18("2","2","6","7","7","1","1") = "6"
    & skf18("2","2","6","7","7","2","1") = "6"
    & skf18("2","2","6","7","7","3","1") = "6"
    & skf18("2","2","6","7","7","4","1") = "6"
    & skf18("2","2","6","7","7","5","1") = "6"
    & skf18("2","2","6","7","7","6","1") = "6"
    & skf18("2","2","6","7","7","7","1") = "6"
    & skf18("2","2","6","7","7","8","1") = "7"
    & skf18("2","2","6","7","7","9","1") = "8"
    & skf18("2","2","6","7","7","10","1") = "9"
    & skf18("2","2","6","7","8","1","1") = "7"
    & skf18("2","2","6","7","8","2","1") = "7"
    & skf18("2","2","6","7","8","3","1") = "7"
    & skf18("2","2","6","7","8","4","1") = "7"
    & skf18("2","2","6","7","8","5","1") = "7"
    & skf18("2","2","6","7","8","6","1") = "7"
    & skf18("2","2","6","7","8","7","1") = "7"
    & skf18("2","2","6","7","8","8","1") = "7"
    & skf18("2","2","6","7","8","9","1") = "8"
    & skf18("2","2","6","7","8","10","1") = "9"
    & skf18("2","2","6","7","9","1","1") = "8"
    & skf18("2","2","6","7","9","2","1") = "8"
    & skf18("2","2","6","7","9","3","1") = "8"
    & skf18("2","2","6","7","9","4","1") = "8"
    & skf18("2","2","6","7","9","5","1") = "8"
    & skf18("2","2","6","7","9","6","1") = "8"
    & skf18("2","2","6","7","9","7","1") = "8"
    & skf18("2","2","6","7","9","8","1") = "8"
    & skf18("2","2","6","7","9","9","1") = "8"
    & skf18("2","2","6","7","9","10","1") = "9"
    & skf18("2","2","6","7","10","1","1") = "9"
    & skf18("2","2","6","7","10","2","1") = "9"
    & skf18("2","2","6","7","10","3","1") = "9"
    & skf18("2","2","6","7","10","4","1") = "9"
    & skf18("2","2","6","7","10","5","1") = "9"
    & skf18("2","2","6","7","10","6","1") = "9"
    & skf18("2","2","6","7","10","7","1") = "9"
    & skf18("2","2","6","7","10","8","1") = "9"
    & skf18("2","2","6","7","10","9","1") = "9"
    & skf18("2","2","6","7","10","10","1") = "9"
    & skf18("2","2","6","8","1","1","1") = "7"
    & skf18("2","2","6","8","1","2","1") = "7"
    & skf18("2","2","6","8","1","3","1") = "7"
    & skf18("2","2","6","8","1","4","1") = "7"
    & skf18("2","2","6","8","1","5","1") = "7"
    & skf18("2","2","6","8","1","6","1") = "7"
    & skf18("2","2","6","8","1","7","1") = "7"
    & skf18("2","2","6","8","1","8","1") = "7"
    & skf18("2","2","6","8","1","9","1") = "8"
    & skf18("2","2","6","8","1","10","1") = "9"
    & skf18("2","2","6","8","2","1","1") = "7"
    & skf18("2","2","6","8","2","2","1") = "7"
    & skf18("2","2","6","8","2","3","1") = "7"
    & skf18("2","2","6","8","2","4","1") = "7"
    & skf18("2","2","6","8","2","5","1") = "7"
    & skf18("2","2","6","8","2","6","1") = "7"
    & skf18("2","2","6","8","2","7","1") = "7"
    & skf18("2","2","6","8","2","8","1") = "7"
    & skf18("2","2","6","8","2","9","1") = "8"
    & skf18("2","2","6","8","2","10","1") = "9"
    & skf18("2","2","6","8","3","1","1") = "7"
    & skf18("2","2","6","8","3","2","1") = "7"
    & skf18("2","2","6","8","3","3","1") = "7"
    & skf18("2","2","6","8","3","4","1") = "7"
    & skf18("2","2","6","8","3","5","1") = "7"
    & skf18("2","2","6","8","3","6","1") = "7"
    & skf18("2","2","6","8","3","7","1") = "7"
    & skf18("2","2","6","8","3","8","1") = "7"
    & skf18("2","2","6","8","3","9","1") = "8"
    & skf18("2","2","6","8","3","10","1") = "9"
    & skf18("2","2","6","8","4","1","1") = "7"
    & skf18("2","2","6","8","4","2","1") = "7"
    & skf18("2","2","6","8","4","3","1") = "7"
    & skf18("2","2","6","8","4","4","1") = "7"
    & skf18("2","2","6","8","4","5","1") = "7"
    & skf18("2","2","6","8","4","6","1") = "7"
    & skf18("2","2","6","8","4","7","1") = "7"
    & skf18("2","2","6","8","4","8","1") = "7"
    & skf18("2","2","6","8","4","9","1") = "8"
    & skf18("2","2","6","8","4","10","1") = "9"
    & skf18("2","2","6","8","5","1","1") = "7"
    & skf18("2","2","6","8","5","2","1") = "7"
    & skf18("2","2","6","8","5","3","1") = "7"
    & skf18("2","2","6","8","5","4","1") = "7"
    & skf18("2","2","6","8","5","5","1") = "7"
    & skf18("2","2","6","8","5","6","1") = "7"
    & skf18("2","2","6","8","5","7","1") = "7"
    & skf18("2","2","6","8","5","8","1") = "7"
    & skf18("2","2","6","8","5","9","1") = "8"
    & skf18("2","2","6","8","5","10","1") = "9"
    & skf18("2","2","6","8","6","1","1") = "7"
    & skf18("2","2","6","8","6","2","1") = "7"
    & skf18("2","2","6","8","6","3","1") = "7"
    & skf18("2","2","6","8","6","4","1") = "7"
    & skf18("2","2","6","8","6","5","1") = "7"
    & skf18("2","2","6","8","6","6","1") = "7"
    & skf18("2","2","6","8","6","7","1") = "7"
    & skf18("2","2","6","8","6","8","1") = "7"
    & skf18("2","2","6","8","6","9","1") = "8"
    & skf18("2","2","6","8","6","10","1") = "9"
    & skf18("2","2","6","8","7","1","1") = "7"
    & skf18("2","2","6","8","7","2","1") = "7"
    & skf18("2","2","6","8","7","3","1") = "7"
    & skf18("2","2","6","8","7","4","1") = "7"
    & skf18("2","2","6","8","7","5","1") = "7"
    & skf18("2","2","6","8","7","6","1") = "7"
    & skf18("2","2","6","8","7","7","1") = "7"
    & skf18("2","2","6","8","7","8","1") = "7"
    & skf18("2","2","6","8","7","9","1") = "8"
    & skf18("2","2","6","8","7","10","1") = "9"
    & skf18("2","2","6","8","8","1","1") = "7"
    & skf18("2","2","6","8","8","2","1") = "7"
    & skf18("2","2","6","8","8","3","1") = "7"
    & skf18("2","2","6","8","8","4","1") = "7"
    & skf18("2","2","6","8","8","5","1") = "7"
    & skf18("2","2","6","8","8","6","1") = "7"
    & skf18("2","2","6","8","8","7","1") = "7"
    & skf18("2","2","6","8","8","8","1") = "7"
    & skf18("2","2","6","8","8","9","1") = "8"
    & skf18("2","2","6","8","8","10","1") = "9"
    & skf18("2","2","6","8","9","1","1") = "8"
    & skf18("2","2","6","8","9","2","1") = "8"
    & skf18("2","2","6","8","9","3","1") = "8"
    & skf18("2","2","6","8","9","4","1") = "8"
    & skf18("2","2","6","8","9","5","1") = "8"
    & skf18("2","2","6","8","9","6","1") = "8"
    & skf18("2","2","6","8","9","7","1") = "8"
    & skf18("2","2","6","8","9","8","1") = "8"
    & skf18("2","2","6","8","9","9","1") = "8"
    & skf18("2","2","6","8","9","10","1") = "9"
    & skf18("2","2","6","8","10","1","1") = "9"
    & skf18("2","2","6","8","10","2","1") = "9"
    & skf18("2","2","6","8","10","3","1") = "9"
    & skf18("2","2","6","8","10","4","1") = "9"
    & skf18("2","2","6","8","10","5","1") = "9"
    & skf18("2","2","6","8","10","6","1") = "9"
    & skf18("2","2","6","8","10","7","1") = "9"
    & skf18("2","2","6","8","10","8","1") = "9"
    & skf18("2","2","6","8","10","9","1") = "9"
    & skf18("2","2","6","8","10","10","1") = "9"
    & skf18("2","2","6","9","1","1","1") = "8"
    & skf18("2","2","6","9","1","2","1") = "8"
    & skf18("2","2","6","9","1","3","1") = "8"
    & skf18("2","2","6","9","1","4","1") = "8"
    & skf18("2","2","6","9","1","5","1") = "8"
    & skf18("2","2","6","9","1","6","1") = "8"
    & skf18("2","2","6","9","1","7","1") = "8"
    & skf18("2","2","6","9","1","8","1") = "8"
    & skf18("2","2","6","9","1","9","1") = "8"
    & skf18("2","2","6","9","1","10","1") = "9"
    & skf18("2","2","6","9","2","1","1") = "8"
    & skf18("2","2","6","9","2","2","1") = "8"
    & skf18("2","2","6","9","2","3","1") = "8"
    & skf18("2","2","6","9","2","4","1") = "8"
    & skf18("2","2","6","9","2","5","1") = "8"
    & skf18("2","2","6","9","2","6","1") = "8"
    & skf18("2","2","6","9","2","7","1") = "8"
    & skf18("2","2","6","9","2","8","1") = "8"
    & skf18("2","2","6","9","2","9","1") = "8"
    & skf18("2","2","6","9","2","10","1") = "9"
    & skf18("2","2","6","9","3","1","1") = "8"
    & skf18("2","2","6","9","3","2","1") = "8"
    & skf18("2","2","6","9","3","3","1") = "8"
    & skf18("2","2","6","9","3","4","1") = "8"
    & skf18("2","2","6","9","3","5","1") = "8"
    & skf18("2","2","6","9","3","6","1") = "8"
    & skf18("2","2","6","9","3","7","1") = "8"
    & skf18("2","2","6","9","3","8","1") = "8"
    & skf18("2","2","6","9","3","9","1") = "8"
    & skf18("2","2","6","9","3","10","1") = "9"
    & skf18("2","2","6","9","4","1","1") = "8"
    & skf18("2","2","6","9","4","2","1") = "8"
    & skf18("2","2","6","9","4","3","1") = "8"
    & skf18("2","2","6","9","4","4","1") = "8"
    & skf18("2","2","6","9","4","5","1") = "8"
    & skf18("2","2","6","9","4","6","1") = "8"
    & skf18("2","2","6","9","4","7","1") = "8"
    & skf18("2","2","6","9","4","8","1") = "8"
    & skf18("2","2","6","9","4","9","1") = "8"
    & skf18("2","2","6","9","4","10","1") = "9"
    & skf18("2","2","6","9","5","1","1") = "8"
    & skf18("2","2","6","9","5","2","1") = "8"
    & skf18("2","2","6","9","5","3","1") = "8"
    & skf18("2","2","6","9","5","4","1") = "8"
    & skf18("2","2","6","9","5","5","1") = "8"
    & skf18("2","2","6","9","5","6","1") = "8"
    & skf18("2","2","6","9","5","7","1") = "8"
    & skf18("2","2","6","9","5","8","1") = "8"
    & skf18("2","2","6","9","5","9","1") = "8"
    & skf18("2","2","6","9","5","10","1") = "9"
    & skf18("2","2","6","9","6","1","1") = "8"
    & skf18("2","2","6","9","6","2","1") = "8"
    & skf18("2","2","6","9","6","3","1") = "8"
    & skf18("2","2","6","9","6","4","1") = "8"
    & skf18("2","2","6","9","6","5","1") = "8"
    & skf18("2","2","6","9","6","6","1") = "8"
    & skf18("2","2","6","9","6","7","1") = "8"
    & skf18("2","2","6","9","6","8","1") = "8"
    & skf18("2","2","6","9","6","9","1") = "8"
    & skf18("2","2","6","9","6","10","1") = "9"
    & skf18("2","2","6","9","7","1","1") = "8"
    & skf18("2","2","6","9","7","2","1") = "8"
    & skf18("2","2","6","9","7","3","1") = "8"
    & skf18("2","2","6","9","7","4","1") = "8"
    & skf18("2","2","6","9","7","5","1") = "8"
    & skf18("2","2","6","9","7","6","1") = "8"
    & skf18("2","2","6","9","7","7","1") = "8"
    & skf18("2","2","6","9","7","8","1") = "8"
    & skf18("2","2","6","9","7","9","1") = "8"
    & skf18("2","2","6","9","7","10","1") = "9"
    & skf18("2","2","6","9","8","1","1") = "8"
    & skf18("2","2","6","9","8","2","1") = "8"
    & skf18("2","2","6","9","8","3","1") = "8"
    & skf18("2","2","6","9","8","4","1") = "8"
    & skf18("2","2","6","9","8","5","1") = "8"
    & skf18("2","2","6","9","8","6","1") = "8"
    & skf18("2","2","6","9","8","7","1") = "8"
    & skf18("2","2","6","9","8","8","1") = "8"
    & skf18("2","2","6","9","8","9","1") = "8"
    & skf18("2","2","6","9","8","10","1") = "9"
    & skf18("2","2","6","9","9","1","1") = "8"
    & skf18("2","2","6","9","9","2","1") = "8"
    & skf18("2","2","6","9","9","3","1") = "8"
    & skf18("2","2","6","9","9","4","1") = "8"
    & skf18("2","2","6","9","9","5","1") = "8"
    & skf18("2","2","6","9","9","6","1") = "8"
    & skf18("2","2","6","9","9","7","1") = "8"
    & skf18("2","2","6","9","9","8","1") = "8"
    & skf18("2","2","6","9","9","9","1") = "8"
    & skf18("2","2","6","9","9","10","1") = "9"
    & skf18("2","2","6","9","10","1","1") = "9"
    & skf18("2","2","6","9","10","2","1") = "9"
    & skf18("2","2","6","9","10","3","1") = "9"
    & skf18("2","2","6","9","10","4","1") = "9"
    & skf18("2","2","6","9","10","5","1") = "9"
    & skf18("2","2","6","9","10","6","1") = "9"
    & skf18("2","2","6","9","10","7","1") = "9"
    & skf18("2","2","6","9","10","8","1") = "9"
    & skf18("2","2","6","9","10","9","1") = "9"
    & skf18("2","2","6","9","10","10","1") = "9"
    & skf18("2","2","6","10","1","1","1") = "9"
    & skf18("2","2","6","10","1","2","1") = "9"
    & skf18("2","2","6","10","1","3","1") = "9"
    & skf18("2","2","6","10","1","4","1") = "9"
    & skf18("2","2","6","10","1","5","1") = "9"
    & skf18("2","2","6","10","1","6","1") = "9"
    & skf18("2","2","6","10","1","7","1") = "9"
    & skf18("2","2","6","10","1","8","1") = "9"
    & skf18("2","2","6","10","1","9","1") = "9"
    & skf18("2","2","6","10","1","10","1") = "9"
    & skf18("2","2","6","10","2","1","1") = "9"
    & skf18("2","2","6","10","2","2","1") = "9"
    & skf18("2","2","6","10","2","3","1") = "9"
    & skf18("2","2","6","10","2","4","1") = "9"
    & skf18("2","2","6","10","2","5","1") = "9"
    & skf18("2","2","6","10","2","6","1") = "9"
    & skf18("2","2","6","10","2","7","1") = "9"
    & skf18("2","2","6","10","2","8","1") = "9"
    & skf18("2","2","6","10","2","9","1") = "9"
    & skf18("2","2","6","10","2","10","1") = "9"
    & skf18("2","2","6","10","3","1","1") = "9"
    & skf18("2","2","6","10","3","2","1") = "9"
    & skf18("2","2","6","10","3","3","1") = "9"
    & skf18("2","2","6","10","3","4","1") = "9"
    & skf18("2","2","6","10","3","5","1") = "9"
    & skf18("2","2","6","10","3","6","1") = "9"
    & skf18("2","2","6","10","3","7","1") = "9"
    & skf18("2","2","6","10","3","8","1") = "9"
    & skf18("2","2","6","10","3","9","1") = "9"
    & skf18("2","2","6","10","3","10","1") = "9"
    & skf18("2","2","6","10","4","1","1") = "9"
    & skf18("2","2","6","10","4","2","1") = "9"
    & skf18("2","2","6","10","4","3","1") = "9"
    & skf18("2","2","6","10","4","4","1") = "9"
    & skf18("2","2","6","10","4","5","1") = "9"
    & skf18("2","2","6","10","4","6","1") = "9"
    & skf18("2","2","6","10","4","7","1") = "9"
    & skf18("2","2","6","10","4","8","1") = "9"
    & skf18("2","2","6","10","4","9","1") = "9"
    & skf18("2","2","6","10","4","10","1") = "9"
    & skf18("2","2","6","10","5","1","1") = "9"
    & skf18("2","2","6","10","5","2","1") = "9"
    & skf18("2","2","6","10","5","3","1") = "9"
    & skf18("2","2","6","10","5","4","1") = "9"
    & skf18("2","2","6","10","5","5","1") = "9"
    & skf18("2","2","6","10","5","6","1") = "9"
    & skf18("2","2","6","10","5","7","1") = "9"
    & skf18("2","2","6","10","5","8","1") = "9"
    & skf18("2","2","6","10","5","9","1") = "9"
    & skf18("2","2","6","10","5","10","1") = "9"
    & skf18("2","2","6","10","6","1","1") = "9"
    & skf18("2","2","6","10","6","2","1") = "9"
    & skf18("2","2","6","10","6","3","1") = "9"
    & skf18("2","2","6","10","6","4","1") = "9"
    & skf18("2","2","6","10","6","5","1") = "9"
    & skf18("2","2","6","10","6","6","1") = "9"
    & skf18("2","2","6","10","6","7","1") = "9"
    & skf18("2","2","6","10","6","8","1") = "9"
    & skf18("2","2","6","10","6","9","1") = "9"
    & skf18("2","2","6","10","6","10","1") = "9"
    & skf18("2","2","6","10","7","1","1") = "9"
    & skf18("2","2","6","10","7","2","1") = "9"
    & skf18("2","2","6","10","7","3","1") = "9"
    & skf18("2","2","6","10","7","4","1") = "9"
    & skf18("2","2","6","10","7","5","1") = "9"
    & skf18("2","2","6","10","7","6","1") = "9"
    & skf18("2","2","6","10","7","7","1") = "9"
    & skf18("2","2","6","10","7","8","1") = "9"
    & skf18("2","2","6","10","7","9","1") = "9"
    & skf18("2","2","6","10","7","10","1") = "9"
    & skf18("2","2","6","10","8","1","1") = "9"
    & skf18("2","2","6","10","8","2","1") = "9"
    & skf18("2","2","6","10","8","3","1") = "9"
    & skf18("2","2","6","10","8","4","1") = "9"
    & skf18("2","2","6","10","8","5","1") = "9"
    & skf18("2","2","6","10","8","6","1") = "9"
    & skf18("2","2","6","10","8","7","1") = "9"
    & skf18("2","2","6","10","8","8","1") = "9"
    & skf18("2","2","6","10","8","9","1") = "9"
    & skf18("2","2","6","10","8","10","1") = "9"
    & skf18("2","2","6","10","9","1","1") = "9"
    & skf18("2","2","6","10","9","2","1") = "9"
    & skf18("2","2","6","10","9","3","1") = "9"
    & skf18("2","2","6","10","9","4","1") = "9"
    & skf18("2","2","6","10","9","5","1") = "9"
    & skf18("2","2","6","10","9","6","1") = "9"
    & skf18("2","2","6","10","9","7","1") = "9"
    & skf18("2","2","6","10","9","8","1") = "9"
    & skf18("2","2","6","10","9","9","1") = "9"
    & skf18("2","2","6","10","9","10","1") = "9"
    & skf18("2","2","6","10","10","1","1") = "9"
    & skf18("2","2","6","10","10","2","1") = "9"
    & skf18("2","2","6","10","10","3","1") = "9"
    & skf18("2","2","6","10","10","4","1") = "9"
    & skf18("2","2","6","10","10","5","1") = "9"
    & skf18("2","2","6","10","10","6","1") = "9"
    & skf18("2","2","6","10","10","7","1") = "9"
    & skf18("2","2","6","10","10","8","1") = "9"
    & skf18("2","2","6","10","10","9","1") = "9"
    & skf18("2","2","6","10","10","10","1") = "9"
    & skf18("2","2","7","1","1","1","1") = "6"
    & skf18("2","2","7","1","1","2","1") = "6"
    & skf18("2","2","7","1","1","3","1") = "6"
    & skf18("2","2","7","1","1","4","1") = "6"
    & skf18("2","2","7","1","1","5","1") = "6"
    & skf18("2","2","7","1","1","6","1") = "6"
    & skf18("2","2","7","1","1","7","1") = "6"
    & skf18("2","2","7","1","1","8","1") = "7"
    & skf18("2","2","7","1","1","9","1") = "8"
    & skf18("2","2","7","1","1","10","1") = "9"
    & skf18("2","2","7","1","2","1","1") = "6"
    & skf18("2","2","7","1","2","2","1") = "6"
    & skf18("2","2","7","1","2","3","1") = "6"
    & skf18("2","2","7","1","2","4","1") = "6"
    & skf18("2","2","7","1","2","5","1") = "6"
    & skf18("2","2","7","1","2","6","1") = "6"
    & skf18("2","2","7","1","2","7","1") = "6"
    & skf18("2","2","7","1","2","8","1") = "7"
    & skf18("2","2","7","1","2","9","1") = "8"
    & skf18("2","2","7","1","2","10","1") = "9"
    & skf18("2","2","7","1","3","1","1") = "6"
    & skf18("2","2","7","1","3","2","1") = "6"
    & skf18("2","2","7","1","3","3","1") = "6"
    & skf18("2","2","7","1","3","4","1") = "6"
    & skf18("2","2","7","1","3","5","1") = "6"
    & skf18("2","2","7","1","3","6","1") = "6"
    & skf18("2","2","7","1","3","7","1") = "6"
    & skf18("2","2","7","1","3","8","1") = "7"
    & skf18("2","2","7","1","3","9","1") = "8"
    & skf18("2","2","7","1","3","10","1") = "9"
    & skf18("2","2","7","1","4","1","1") = "6"
    & skf18("2","2","7","1","4","2","1") = "6"
    & skf18("2","2","7","1","4","3","1") = "6"
    & skf18("2","2","7","1","4","4","1") = "6"
    & skf18("2","2","7","1","4","5","1") = "6"
    & skf18("2","2","7","1","4","6","1") = "6"
    & skf18("2","2","7","1","4","7","1") = "6"
    & skf18("2","2","7","1","4","8","1") = "7"
    & skf18("2","2","7","1","4","9","1") = "8"
    & skf18("2","2","7","1","4","10","1") = "9"
    & skf18("2","2","7","1","5","1","1") = "6"
    & skf18("2","2","7","1","5","2","1") = "6"
    & skf18("2","2","7","1","5","3","1") = "6"
    & skf18("2","2","7","1","5","4","1") = "6"
    & skf18("2","2","7","1","5","5","1") = "6"
    & skf18("2","2","7","1","5","6","1") = "6"
    & skf18("2","2","7","1","5","7","1") = "6"
    & skf18("2","2","7","1","5","8","1") = "7"
    & skf18("2","2","7","1","5","9","1") = "8"
    & skf18("2","2","7","1","5","10","1") = "9"
    & skf18("2","2","7","1","6","1","1") = "6"
    & skf18("2","2","7","1","6","2","1") = "6"
    & skf18("2","2","7","1","6","3","1") = "6"
    & skf18("2","2","7","1","6","4","1") = "6"
    & skf18("2","2","7","1","6","5","1") = "6"
    & skf18("2","2","7","1","6","6","1") = "6"
    & skf18("2","2","7","1","6","7","1") = "6"
    & skf18("2","2","7","1","6","8","1") = "7"
    & skf18("2","2","7","1","6","9","1") = "8"
    & skf18("2","2","7","1","6","10","1") = "9"
    & skf18("2","2","7","1","7","1","1") = "6"
    & skf18("2","2","7","1","7","2","1") = "6"
    & skf18("2","2","7","1","7","3","1") = "6"
    & skf18("2","2","7","1","7","4","1") = "6"
    & skf18("2","2","7","1","7","5","1") = "6"
    & skf18("2","2","7","1","7","6","1") = "6"
    & skf18("2","2","7","1","7","7","1") = "6"
    & skf18("2","2","7","1","7","8","1") = "7"
    & skf18("2","2","7","1","7","9","1") = "8"
    & skf18("2","2","7","1","7","10","1") = "9"
    & skf18("2","2","7","1","8","1","1") = "7"
    & skf18("2","2","7","1","8","2","1") = "7"
    & skf18("2","2","7","1","8","3","1") = "7"
    & skf18("2","2","7","1","8","4","1") = "7"
    & skf18("2","2","7","1","8","5","1") = "7"
    & skf18("2","2","7","1","8","6","1") = "7"
    & skf18("2","2","7","1","8","7","1") = "7"
    & skf18("2","2","7","1","8","8","1") = "7"
    & skf18("2","2","7","1","8","9","1") = "8"
    & skf18("2","2","7","1","8","10","1") = "9"
    & skf18("2","2","7","1","9","1","1") = "8"
    & skf18("2","2","7","1","9","2","1") = "8"
    & skf18("2","2","7","1","9","3","1") = "8"
    & skf18("2","2","7","1","9","4","1") = "8"
    & skf18("2","2","7","1","9","5","1") = "8"
    & skf18("2","2","7","1","9","6","1") = "8"
    & skf18("2","2","7","1","9","7","1") = "8"
    & skf18("2","2","7","1","9","8","1") = "8"
    & skf18("2","2","7","1","9","9","1") = "8"
    & skf18("2","2","7","1","9","10","1") = "9"
    & skf18("2","2","7","1","10","1","1") = "9"
    & skf18("2","2","7","1","10","2","1") = "9"
    & skf18("2","2","7","1","10","3","1") = "9"
    & skf18("2","2","7","1","10","4","1") = "9"
    & skf18("2","2","7","1","10","5","1") = "9"
    & skf18("2","2","7","1","10","6","1") = "9"
    & skf18("2","2","7","1","10","7","1") = "9"
    & skf18("2","2","7","1","10","8","1") = "9"
    & skf18("2","2","7","1","10","9","1") = "9"
    & skf18("2","2","7","1","10","10","1") = "9"
    & skf18("2","2","7","2","1","1","1") = "6"
    & skf18("2","2","7","2","1","2","1") = "6"
    & skf18("2","2","7","2","1","3","1") = "6"
    & skf18("2","2","7","2","1","4","1") = "6"
    & skf18("2","2","7","2","1","5","1") = "6"
    & skf18("2","2","7","2","1","6","1") = "6"
    & skf18("2","2","7","2","1","7","1") = "6"
    & skf18("2","2","7","2","1","8","1") = "7"
    & skf18("2","2","7","2","1","9","1") = "8"
    & skf18("2","2","7","2","1","10","1") = "9"
    & skf18("2","2","7","2","2","1","1") = "6"
    & skf18("2","2","7","2","2","2","1") = "6"
    & skf18("2","2","7","2","2","3","1") = "6"
    & skf18("2","2","7","2","2","4","1") = "6"
    & skf18("2","2","7","2","2","5","1") = "6"
    & skf18("2","2","7","2","2","6","1") = "6"
    & skf18("2","2","7","2","2","7","1") = "6"
    & skf18("2","2","7","2","2","8","1") = "7"
    & skf18("2","2","7","2","2","9","1") = "8"
    & skf18("2","2","7","2","2","10","1") = "9"
    & skf18("2","2","7","2","3","1","1") = "6"
    & skf18("2","2","7","2","3","2","1") = "6"
    & skf18("2","2","7","2","3","3","1") = "6"
    & skf18("2","2","7","2","3","4","1") = "6"
    & skf18("2","2","7","2","3","5","1") = "6"
    & skf18("2","2","7","2","3","6","1") = "6"
    & skf18("2","2","7","2","3","7","1") = "6"
    & skf18("2","2","7","2","3","8","1") = "7"
    & skf18("2","2","7","2","3","9","1") = "8"
    & skf18("2","2","7","2","3","10","1") = "9"
    & skf18("2","2","7","2","4","1","1") = "6"
    & skf18("2","2","7","2","4","2","1") = "6"
    & skf18("2","2","7","2","4","3","1") = "6"
    & skf18("2","2","7","2","4","4","1") = "6"
    & skf18("2","2","7","2","4","5","1") = "6"
    & skf18("2","2","7","2","4","6","1") = "6"
    & skf18("2","2","7","2","4","7","1") = "6"
    & skf18("2","2","7","2","4","8","1") = "7"
    & skf18("2","2","7","2","4","9","1") = "8"
    & skf18("2","2","7","2","4","10","1") = "9"
    & skf18("2","2","7","2","5","1","1") = "6"
    & skf18("2","2","7","2","5","2","1") = "6"
    & skf18("2","2","7","2","5","3","1") = "6"
    & skf18("2","2","7","2","5","4","1") = "6"
    & skf18("2","2","7","2","5","5","1") = "6"
    & skf18("2","2","7","2","5","6","1") = "6"
    & skf18("2","2","7","2","5","7","1") = "6"
    & skf18("2","2","7","2","5","8","1") = "7"
    & skf18("2","2","7","2","5","9","1") = "8"
    & skf18("2","2","7","2","5","10","1") = "9"
    & skf18("2","2","7","2","6","1","1") = "6"
    & skf18("2","2","7","2","6","2","1") = "6"
    & skf18("2","2","7","2","6","3","1") = "6"
    & skf18("2","2","7","2","6","4","1") = "6"
    & skf18("2","2","7","2","6","5","1") = "6"
    & skf18("2","2","7","2","6","6","1") = "6"
    & skf18("2","2","7","2","6","7","1") = "6"
    & skf18("2","2","7","2","6","8","1") = "7"
    & skf18("2","2","7","2","6","9","1") = "8"
    & skf18("2","2","7","2","6","10","1") = "9"
    & skf18("2","2","7","2","7","1","1") = "6"
    & skf18("2","2","7","2","7","2","1") = "6"
    & skf18("2","2","7","2","7","3","1") = "6"
    & skf18("2","2","7","2","7","4","1") = "6"
    & skf18("2","2","7","2","7","5","1") = "6"
    & skf18("2","2","7","2","7","6","1") = "6"
    & skf18("2","2","7","2","7","7","1") = "6"
    & skf18("2","2","7","2","7","8","1") = "7"
    & skf18("2","2","7","2","7","9","1") = "8"
    & skf18("2","2","7","2","7","10","1") = "9"
    & skf18("2","2","7","2","8","1","1") = "7"
    & skf18("2","2","7","2","8","2","1") = "7"
    & skf18("2","2","7","2","8","3","1") = "7"
    & skf18("2","2","7","2","8","4","1") = "7"
    & skf18("2","2","7","2","8","5","1") = "7"
    & skf18("2","2","7","2","8","6","1") = "7"
    & skf18("2","2","7","2","8","7","1") = "7"
    & skf18("2","2","7","2","8","8","1") = "7"
    & skf18("2","2","7","2","8","9","1") = "8"
    & skf18("2","2","7","2","8","10","1") = "9"
    & skf18("2","2","7","2","9","1","1") = "8"
    & skf18("2","2","7","2","9","2","1") = "8"
    & skf18("2","2","7","2","9","3","1") = "8"
    & skf18("2","2","7","2","9","4","1") = "8"
    & skf18("2","2","7","2","9","5","1") = "8"
    & skf18("2","2","7","2","9","6","1") = "8"
    & skf18("2","2","7","2","9","7","1") = "8"
    & skf18("2","2","7","2","9","8","1") = "8"
    & skf18("2","2","7","2","9","9","1") = "8"
    & skf18("2","2","7","2","9","10","1") = "9"
    & skf18("2","2","7","2","10","1","1") = "9"
    & skf18("2","2","7","2","10","2","1") = "9"
    & skf18("2","2","7","2","10","3","1") = "9"
    & skf18("2","2","7","2","10","4","1") = "9"
    & skf18("2","2","7","2","10","5","1") = "9"
    & skf18("2","2","7","2","10","6","1") = "9"
    & skf18("2","2","7","2","10","7","1") = "9"
    & skf18("2","2","7","2","10","8","1") = "9"
    & skf18("2","2","7","2","10","9","1") = "9"
    & skf18("2","2","7","2","10","10","1") = "9"
    & skf18("2","2","7","3","1","1","1") = "6"
    & skf18("2","2","7","3","1","2","1") = "6"
    & skf18("2","2","7","3","1","3","1") = "6"
    & skf18("2","2","7","3","1","4","1") = "6"
    & skf18("2","2","7","3","1","5","1") = "6"
    & skf18("2","2","7","3","1","6","1") = "6"
    & skf18("2","2","7","3","1","7","1") = "6"
    & skf18("2","2","7","3","1","8","1") = "7"
    & skf18("2","2","7","3","1","9","1") = "8"
    & skf18("2","2","7","3","1","10","1") = "9"
    & skf18("2","2","7","3","2","1","1") = "6"
    & skf18("2","2","7","3","2","2","1") = "6"
    & skf18("2","2","7","3","2","3","1") = "6"
    & skf18("2","2","7","3","2","4","1") = "6"
    & skf18("2","2","7","3","2","5","1") = "6"
    & skf18("2","2","7","3","2","6","1") = "6"
    & skf18("2","2","7","3","2","7","1") = "6"
    & skf18("2","2","7","3","2","8","1") = "7"
    & skf18("2","2","7","3","2","9","1") = "8"
    & skf18("2","2","7","3","2","10","1") = "9"
    & skf18("2","2","7","3","3","1","1") = "6"
    & skf18("2","2","7","3","3","2","1") = "6"
    & skf18("2","2","7","3","3","3","1") = "6"
    & skf18("2","2","7","3","3","4","1") = "6"
    & skf18("2","2","7","3","3","5","1") = "6"
    & skf18("2","2","7","3","3","6","1") = "6"
    & skf18("2","2","7","3","3","7","1") = "6"
    & skf18("2","2","7","3","3","8","1") = "7"
    & skf18("2","2","7","3","3","9","1") = "8"
    & skf18("2","2","7","3","3","10","1") = "9"
    & skf18("2","2","7","3","4","1","1") = "6"
    & skf18("2","2","7","3","4","2","1") = "6"
    & skf18("2","2","7","3","4","3","1") = "6"
    & skf18("2","2","7","3","4","4","1") = "6"
    & skf18("2","2","7","3","4","5","1") = "6"
    & skf18("2","2","7","3","4","6","1") = "6"
    & skf18("2","2","7","3","4","7","1") = "6"
    & skf18("2","2","7","3","4","8","1") = "7"
    & skf18("2","2","7","3","4","9","1") = "8"
    & skf18("2","2","7","3","4","10","1") = "9"
    & skf18("2","2","7","3","5","1","1") = "6"
    & skf18("2","2","7","3","5","2","1") = "6"
    & skf18("2","2","7","3","5","3","1") = "6"
    & skf18("2","2","7","3","5","4","1") = "6"
    & skf18("2","2","7","3","5","5","1") = "6"
    & skf18("2","2","7","3","5","6","1") = "6"
    & skf18("2","2","7","3","5","7","1") = "6"
    & skf18("2","2","7","3","5","8","1") = "7"
    & skf18("2","2","7","3","5","9","1") = "8"
    & skf18("2","2","7","3","5","10","1") = "9"
    & skf18("2","2","7","3","6","1","1") = "6"
    & skf18("2","2","7","3","6","2","1") = "6"
    & skf18("2","2","7","3","6","3","1") = "6"
    & skf18("2","2","7","3","6","4","1") = "6"
    & skf18("2","2","7","3","6","5","1") = "6"
    & skf18("2","2","7","3","6","6","1") = "6"
    & skf18("2","2","7","3","6","7","1") = "6"
    & skf18("2","2","7","3","6","8","1") = "7"
    & skf18("2","2","7","3","6","9","1") = "8"
    & skf18("2","2","7","3","6","10","1") = "9"
    & skf18("2","2","7","3","7","1","1") = "6"
    & skf18("2","2","7","3","7","2","1") = "6"
    & skf18("2","2","7","3","7","3","1") = "6"
    & skf18("2","2","7","3","7","4","1") = "6"
    & skf18("2","2","7","3","7","5","1") = "6"
    & skf18("2","2","7","3","7","6","1") = "6"
    & skf18("2","2","7","3","7","7","1") = "6"
    & skf18("2","2","7","3","7","8","1") = "7"
    & skf18("2","2","7","3","7","9","1") = "8"
    & skf18("2","2","7","3","7","10","1") = "9"
    & skf18("2","2","7","3","8","1","1") = "7"
    & skf18("2","2","7","3","8","2","1") = "7"
    & skf18("2","2","7","3","8","3","1") = "7"
    & skf18("2","2","7","3","8","4","1") = "7"
    & skf18("2","2","7","3","8","5","1") = "7"
    & skf18("2","2","7","3","8","6","1") = "7"
    & skf18("2","2","7","3","8","7","1") = "7"
    & skf18("2","2","7","3","8","8","1") = "7"
    & skf18("2","2","7","3","8","9","1") = "8"
    & skf18("2","2","7","3","8","10","1") = "9"
    & skf18("2","2","7","3","9","1","1") = "8"
    & skf18("2","2","7","3","9","2","1") = "8"
    & skf18("2","2","7","3","9","3","1") = "8"
    & skf18("2","2","7","3","9","4","1") = "8"
    & skf18("2","2","7","3","9","5","1") = "8"
    & skf18("2","2","7","3","9","6","1") = "8"
    & skf18("2","2","7","3","9","7","1") = "8"
    & skf18("2","2","7","3","9","8","1") = "8"
    & skf18("2","2","7","3","9","9","1") = "8"
    & skf18("2","2","7","3","9","10","1") = "9"
    & skf18("2","2","7","3","10","1","1") = "9"
    & skf18("2","2","7","3","10","2","1") = "9"
    & skf18("2","2","7","3","10","3","1") = "9"
    & skf18("2","2","7","3","10","4","1") = "9"
    & skf18("2","2","7","3","10","5","1") = "9"
    & skf18("2","2","7","3","10","6","1") = "9"
    & skf18("2","2","7","3","10","7","1") = "9"
    & skf18("2","2","7","3","10","8","1") = "9"
    & skf18("2","2","7","3","10","9","1") = "9"
    & skf18("2","2","7","3","10","10","1") = "9"
    & skf18("2","2","7","4","1","1","1") = "6"
    & skf18("2","2","7","4","1","2","1") = "6"
    & skf18("2","2","7","4","1","3","1") = "6"
    & skf18("2","2","7","4","1","4","1") = "6"
    & skf18("2","2","7","4","1","5","1") = "6"
    & skf18("2","2","7","4","1","6","1") = "6"
    & skf18("2","2","7","4","1","7","1") = "6"
    & skf18("2","2","7","4","1","8","1") = "7"
    & skf18("2","2","7","4","1","9","1") = "8"
    & skf18("2","2","7","4","1","10","1") = "9"
    & skf18("2","2","7","4","2","1","1") = "6"
    & skf18("2","2","7","4","2","2","1") = "6"
    & skf18("2","2","7","4","2","3","1") = "6"
    & skf18("2","2","7","4","2","4","1") = "6"
    & skf18("2","2","7","4","2","5","1") = "6"
    & skf18("2","2","7","4","2","6","1") = "6"
    & skf18("2","2","7","4","2","7","1") = "6"
    & skf18("2","2","7","4","2","8","1") = "7"
    & skf18("2","2","7","4","2","9","1") = "8"
    & skf18("2","2","7","4","2","10","1") = "9"
    & skf18("2","2","7","4","3","1","1") = "6"
    & skf18("2","2","7","4","3","2","1") = "6"
    & skf18("2","2","7","4","3","3","1") = "6"
    & skf18("2","2","7","4","3","4","1") = "6"
    & skf18("2","2","7","4","3","5","1") = "6"
    & skf18("2","2","7","4","3","6","1") = "6"
    & skf18("2","2","7","4","3","7","1") = "6"
    & skf18("2","2","7","4","3","8","1") = "7"
    & skf18("2","2","7","4","3","9","1") = "8"
    & skf18("2","2","7","4","3","10","1") = "9"
    & skf18("2","2","7","4","4","1","1") = "6"
    & skf18("2","2","7","4","4","2","1") = "6"
    & skf18("2","2","7","4","4","3","1") = "6"
    & skf18("2","2","7","4","4","4","1") = "6"
    & skf18("2","2","7","4","4","5","1") = "6"
    & skf18("2","2","7","4","4","6","1") = "6"
    & skf18("2","2","7","4","4","7","1") = "6"
    & skf18("2","2","7","4","4","8","1") = "7"
    & skf18("2","2","7","4","4","9","1") = "8"
    & skf18("2","2","7","4","4","10","1") = "9"
    & skf18("2","2","7","4","5","1","1") = "6"
    & skf18("2","2","7","4","5","2","1") = "6"
    & skf18("2","2","7","4","5","3","1") = "6"
    & skf18("2","2","7","4","5","4","1") = "6"
    & skf18("2","2","7","4","5","5","1") = "6"
    & skf18("2","2","7","4","5","6","1") = "6"
    & skf18("2","2","7","4","5","7","1") = "6"
    & skf18("2","2","7","4","5","8","1") = "7"
    & skf18("2","2","7","4","5","9","1") = "8"
    & skf18("2","2","7","4","5","10","1") = "9"
    & skf18("2","2","7","4","6","1","1") = "6"
    & skf18("2","2","7","4","6","2","1") = "6"
    & skf18("2","2","7","4","6","3","1") = "6"
    & skf18("2","2","7","4","6","4","1") = "6"
    & skf18("2","2","7","4","6","5","1") = "6"
    & skf18("2","2","7","4","6","6","1") = "6"
    & skf18("2","2","7","4","6","7","1") = "6"
    & skf18("2","2","7","4","6","8","1") = "7"
    & skf18("2","2","7","4","6","9","1") = "8"
    & skf18("2","2","7","4","6","10","1") = "9"
    & skf18("2","2","7","4","7","1","1") = "6"
    & skf18("2","2","7","4","7","2","1") = "6"
    & skf18("2","2","7","4","7","3","1") = "6"
    & skf18("2","2","7","4","7","4","1") = "6"
    & skf18("2","2","7","4","7","5","1") = "6"
    & skf18("2","2","7","4","7","6","1") = "6"
    & skf18("2","2","7","4","7","7","1") = "6"
    & skf18("2","2","7","4","7","8","1") = "7"
    & skf18("2","2","7","4","7","9","1") = "8"
    & skf18("2","2","7","4","7","10","1") = "9"
    & skf18("2","2","7","4","8","1","1") = "7"
    & skf18("2","2","7","4","8","2","1") = "7"
    & skf18("2","2","7","4","8","3","1") = "7"
    & skf18("2","2","7","4","8","4","1") = "7"
    & skf18("2","2","7","4","8","5","1") = "7"
    & skf18("2","2","7","4","8","6","1") = "7"
    & skf18("2","2","7","4","8","7","1") = "7"
    & skf18("2","2","7","4","8","8","1") = "7"
    & skf18("2","2","7","4","8","9","1") = "8"
    & skf18("2","2","7","4","8","10","1") = "9"
    & skf18("2","2","7","4","9","1","1") = "8"
    & skf18("2","2","7","4","9","2","1") = "8"
    & skf18("2","2","7","4","9","3","1") = "8"
    & skf18("2","2","7","4","9","4","1") = "8"
    & skf18("2","2","7","4","9","5","1") = "8"
    & skf18("2","2","7","4","9","6","1") = "8"
    & skf18("2","2","7","4","9","7","1") = "8"
    & skf18("2","2","7","4","9","8","1") = "8"
    & skf18("2","2","7","4","9","9","1") = "8"
    & skf18("2","2","7","4","9","10","1") = "9"
    & skf18("2","2","7","4","10","1","1") = "9"
    & skf18("2","2","7","4","10","2","1") = "9"
    & skf18("2","2","7","4","10","3","1") = "9"
    & skf18("2","2","7","4","10","4","1") = "9"
    & skf18("2","2","7","4","10","5","1") = "9"
    & skf18("2","2","7","4","10","6","1") = "9"
    & skf18("2","2","7","4","10","7","1") = "9"
    & skf18("2","2","7","4","10","8","1") = "9"
    & skf18("2","2","7","4","10","9","1") = "9"
    & skf18("2","2","7","4","10","10","1") = "9"
    & skf18("2","2","7","5","1","1","1") = "6"
    & skf18("2","2","7","5","1","2","1") = "6"
    & skf18("2","2","7","5","1","3","1") = "6"
    & skf18("2","2","7","5","1","4","1") = "6"
    & skf18("2","2","7","5","1","5","1") = "6"
    & skf18("2","2","7","5","1","6","1") = "6"
    & skf18("2","2","7","5","1","7","1") = "6"
    & skf18("2","2","7","5","1","8","1") = "7"
    & skf18("2","2","7","5","1","9","1") = "8"
    & skf18("2","2","7","5","1","10","1") = "9"
    & skf18("2","2","7","5","2","1","1") = "6"
    & skf18("2","2","7","5","2","2","1") = "6"
    & skf18("2","2","7","5","2","3","1") = "6"
    & skf18("2","2","7","5","2","4","1") = "6"
    & skf18("2","2","7","5","2","5","1") = "6"
    & skf18("2","2","7","5","2","6","1") = "6"
    & skf18("2","2","7","5","2","7","1") = "6"
    & skf18("2","2","7","5","2","8","1") = "7"
    & skf18("2","2","7","5","2","9","1") = "8"
    & skf18("2","2","7","5","2","10","1") = "9"
    & skf18("2","2","7","5","3","1","1") = "6"
    & skf18("2","2","7","5","3","2","1") = "6"
    & skf18("2","2","7","5","3","3","1") = "6"
    & skf18("2","2","7","5","3","4","1") = "6"
    & skf18("2","2","7","5","3","5","1") = "6"
    & skf18("2","2","7","5","3","6","1") = "6"
    & skf18("2","2","7","5","3","7","1") = "6"
    & skf18("2","2","7","5","3","8","1") = "7"
    & skf18("2","2","7","5","3","9","1") = "8"
    & skf18("2","2","7","5","3","10","1") = "9"
    & skf18("2","2","7","5","4","1","1") = "6"
    & skf18("2","2","7","5","4","2","1") = "6"
    & skf18("2","2","7","5","4","3","1") = "6"
    & skf18("2","2","7","5","4","4","1") = "6"
    & skf18("2","2","7","5","4","5","1") = "6"
    & skf18("2","2","7","5","4","6","1") = "6"
    & skf18("2","2","7","5","4","7","1") = "6"
    & skf18("2","2","7","5","4","8","1") = "7"
    & skf18("2","2","7","5","4","9","1") = "8"
    & skf18("2","2","7","5","4","10","1") = "9"
    & skf18("2","2","7","5","5","1","1") = "6"
    & skf18("2","2","7","5","5","2","1") = "6"
    & skf18("2","2","7","5","5","3","1") = "6"
    & skf18("2","2","7","5","5","4","1") = "6"
    & skf18("2","2","7","5","5","5","1") = "6"
    & skf18("2","2","7","5","5","6","1") = "6"
    & skf18("2","2","7","5","5","7","1") = "6"
    & skf18("2","2","7","5","5","8","1") = "7"
    & skf18("2","2","7","5","5","9","1") = "8"
    & skf18("2","2","7","5","5","10","1") = "9"
    & skf18("2","2","7","5","6","1","1") = "6"
    & skf18("2","2","7","5","6","2","1") = "6"
    & skf18("2","2","7","5","6","3","1") = "6"
    & skf18("2","2","7","5","6","4","1") = "6"
    & skf18("2","2","7","5","6","5","1") = "6"
    & skf18("2","2","7","5","6","6","1") = "6"
    & skf18("2","2","7","5","6","7","1") = "6"
    & skf18("2","2","7","5","6","8","1") = "7"
    & skf18("2","2","7","5","6","9","1") = "8"
    & skf18("2","2","7","5","6","10","1") = "9"
    & skf18("2","2","7","5","7","1","1") = "6"
    & skf18("2","2","7","5","7","2","1") = "6"
    & skf18("2","2","7","5","7","3","1") = "6"
    & skf18("2","2","7","5","7","4","1") = "6"
    & skf18("2","2","7","5","7","5","1") = "6"
    & skf18("2","2","7","5","7","6","1") = "6"
    & skf18("2","2","7","5","7","7","1") = "6"
    & skf18("2","2","7","5","7","8","1") = "7"
    & skf18("2","2","7","5","7","9","1") = "8"
    & skf18("2","2","7","5","7","10","1") = "9"
    & skf18("2","2","7","5","8","1","1") = "7"
    & skf18("2","2","7","5","8","2","1") = "7"
    & skf18("2","2","7","5","8","3","1") = "7"
    & skf18("2","2","7","5","8","4","1") = "7"
    & skf18("2","2","7","5","8","5","1") = "7"
    & skf18("2","2","7","5","8","6","1") = "7"
    & skf18("2","2","7","5","8","7","1") = "7"
    & skf18("2","2","7","5","8","8","1") = "7"
    & skf18("2","2","7","5","8","9","1") = "8"
    & skf18("2","2","7","5","8","10","1") = "9"
    & skf18("2","2","7","5","9","1","1") = "8"
    & skf18("2","2","7","5","9","2","1") = "8"
    & skf18("2","2","7","5","9","3","1") = "8"
    & skf18("2","2","7","5","9","4","1") = "8"
    & skf18("2","2","7","5","9","5","1") = "8"
    & skf18("2","2","7","5","9","6","1") = "8"
    & skf18("2","2","7","5","9","7","1") = "8"
    & skf18("2","2","7","5","9","8","1") = "8"
    & skf18("2","2","7","5","9","9","1") = "8"
    & skf18("2","2","7","5","9","10","1") = "9"
    & skf18("2","2","7","5","10","1","1") = "9"
    & skf18("2","2","7","5","10","2","1") = "9"
    & skf18("2","2","7","5","10","3","1") = "9"
    & skf18("2","2","7","5","10","4","1") = "9"
    & skf18("2","2","7","5","10","5","1") = "9"
    & skf18("2","2","7","5","10","6","1") = "9"
    & skf18("2","2","7","5","10","7","1") = "9"
    & skf18("2","2","7","5","10","8","1") = "9"
    & skf18("2","2","7","5","10","9","1") = "9"
    & skf18("2","2","7","5","10","10","1") = "9"
    & skf18("2","2","7","6","1","1","1") = "6"
    & skf18("2","2","7","6","1","2","1") = "6"
    & skf18("2","2","7","6","1","3","1") = "6"
    & skf18("2","2","7","6","1","4","1") = "6"
    & skf18("2","2","7","6","1","5","1") = "6"
    & skf18("2","2","7","6","1","6","1") = "6"
    & skf18("2","2","7","6","1","7","1") = "6"
    & skf18("2","2","7","6","1","8","1") = "7"
    & skf18("2","2","7","6","1","9","1") = "8"
    & skf18("2","2","7","6","1","10","1") = "9"
    & skf18("2","2","7","6","2","1","1") = "6"
    & skf18("2","2","7","6","2","2","1") = "6"
    & skf18("2","2","7","6","2","3","1") = "6"
    & skf18("2","2","7","6","2","4","1") = "6"
    & skf18("2","2","7","6","2","5","1") = "6"
    & skf18("2","2","7","6","2","6","1") = "6"
    & skf18("2","2","7","6","2","7","1") = "6"
    & skf18("2","2","7","6","2","8","1") = "7"
    & skf18("2","2","7","6","2","9","1") = "8"
    & skf18("2","2","7","6","2","10","1") = "9"
    & skf18("2","2","7","6","3","1","1") = "6"
    & skf18("2","2","7","6","3","2","1") = "6"
    & skf18("2","2","7","6","3","3","1") = "6"
    & skf18("2","2","7","6","3","4","1") = "6"
    & skf18("2","2","7","6","3","5","1") = "6"
    & skf18("2","2","7","6","3","6","1") = "6"
    & skf18("2","2","7","6","3","7","1") = "6"
    & skf18("2","2","7","6","3","8","1") = "7"
    & skf18("2","2","7","6","3","9","1") = "8"
    & skf18("2","2","7","6","3","10","1") = "9"
    & skf18("2","2","7","6","4","1","1") = "6"
    & skf18("2","2","7","6","4","2","1") = "6"
    & skf18("2","2","7","6","4","3","1") = "6"
    & skf18("2","2","7","6","4","4","1") = "6"
    & skf18("2","2","7","6","4","5","1") = "6"
    & skf18("2","2","7","6","4","6","1") = "6"
    & skf18("2","2","7","6","4","7","1") = "6"
    & skf18("2","2","7","6","4","8","1") = "7"
    & skf18("2","2","7","6","4","9","1") = "8"
    & skf18("2","2","7","6","4","10","1") = "9"
    & skf18("2","2","7","6","5","1","1") = "6"
    & skf18("2","2","7","6","5","2","1") = "6"
    & skf18("2","2","7","6","5","3","1") = "6"
    & skf18("2","2","7","6","5","4","1") = "6"
    & skf18("2","2","7","6","5","5","1") = "6"
    & skf18("2","2","7","6","5","6","1") = "6"
    & skf18("2","2","7","6","5","7","1") = "6"
    & skf18("2","2","7","6","5","8","1") = "7"
    & skf18("2","2","7","6","5","9","1") = "8"
    & skf18("2","2","7","6","5","10","1") = "9"
    & skf18("2","2","7","6","6","1","1") = "6"
    & skf18("2","2","7","6","6","2","1") = "6"
    & skf18("2","2","7","6","6","3","1") = "6"
    & skf18("2","2","7","6","6","4","1") = "6"
    & skf18("2","2","7","6","6","5","1") = "6"
    & skf18("2","2","7","6","6","6","1") = "6"
    & skf18("2","2","7","6","6","7","1") = "6"
    & skf18("2","2","7","6","6","8","1") = "7"
    & skf18("2","2","7","6","6","9","1") = "8"
    & skf18("2","2","7","6","6","10","1") = "9"
    & skf18("2","2","7","6","7","1","1") = "6"
    & skf18("2","2","7","6","7","2","1") = "6"
    & skf18("2","2","7","6","7","3","1") = "6"
    & skf18("2","2","7","6","7","4","1") = "6"
    & skf18("2","2","7","6","7","5","1") = "6"
    & skf18("2","2","7","6","7","6","1") = "6"
    & skf18("2","2","7","6","7","7","1") = "6"
    & skf18("2","2","7","6","7","8","1") = "7"
    & skf18("2","2","7","6","7","9","1") = "8"
    & skf18("2","2","7","6","7","10","1") = "9"
    & skf18("2","2","7","6","8","1","1") = "7"
    & skf18("2","2","7","6","8","2","1") = "7"
    & skf18("2","2","7","6","8","3","1") = "7"
    & skf18("2","2","7","6","8","4","1") = "7"
    & skf18("2","2","7","6","8","5","1") = "7"
    & skf18("2","2","7","6","8","6","1") = "7"
    & skf18("2","2","7","6","8","7","1") = "7"
    & skf18("2","2","7","6","8","8","1") = "7"
    & skf18("2","2","7","6","8","9","1") = "8"
    & skf18("2","2","7","6","8","10","1") = "9"
    & skf18("2","2","7","6","9","1","1") = "8"
    & skf18("2","2","7","6","9","2","1") = "8"
    & skf18("2","2","7","6","9","3","1") = "8"
    & skf18("2","2","7","6","9","4","1") = "8"
    & skf18("2","2","7","6","9","5","1") = "8"
    & skf18("2","2","7","6","9","6","1") = "8"
    & skf18("2","2","7","6","9","7","1") = "8"
    & skf18("2","2","7","6","9","8","1") = "8"
    & skf18("2","2","7","6","9","9","1") = "8"
    & skf18("2","2","7","6","9","10","1") = "9"
    & skf18("2","2","7","6","10","1","1") = "9"
    & skf18("2","2","7","6","10","2","1") = "9"
    & skf18("2","2","7","6","10","3","1") = "9"
    & skf18("2","2","7","6","10","4","1") = "9"
    & skf18("2","2","7","6","10","5","1") = "9"
    & skf18("2","2","7","6","10","6","1") = "9"
    & skf18("2","2","7","6","10","7","1") = "9"
    & skf18("2","2","7","6","10","8","1") = "9"
    & skf18("2","2","7","6","10","9","1") = "9"
    & skf18("2","2","7","6","10","10","1") = "9"
    & skf18("2","2","7","7","1","1","1") = "6"
    & skf18("2","2","7","7","1","2","1") = "6"
    & skf18("2","2","7","7","1","3","1") = "6"
    & skf18("2","2","7","7","1","4","1") = "6"
    & skf18("2","2","7","7","1","5","1") = "6"
    & skf18("2","2","7","7","1","6","1") = "6"
    & skf18("2","2","7","7","1","7","1") = "6"
    & skf18("2","2","7","7","1","8","1") = "7"
    & skf18("2","2","7","7","1","9","1") = "8"
    & skf18("2","2","7","7","1","10","1") = "9"
    & skf18("2","2","7","7","2","1","1") = "6"
    & skf18("2","2","7","7","2","2","1") = "6"
    & skf18("2","2","7","7","2","3","1") = "6"
    & skf18("2","2","7","7","2","4","1") = "6"
    & skf18("2","2","7","7","2","5","1") = "6"
    & skf18("2","2","7","7","2","6","1") = "6"
    & skf18("2","2","7","7","2","7","1") = "6"
    & skf18("2","2","7","7","2","8","1") = "7"
    & skf18("2","2","7","7","2","9","1") = "8"
    & skf18("2","2","7","7","2","10","1") = "9"
    & skf18("2","2","7","7","3","1","1") = "6"
    & skf18("2","2","7","7","3","2","1") = "6"
    & skf18("2","2","7","7","3","3","1") = "6"
    & skf18("2","2","7","7","3","4","1") = "6"
    & skf18("2","2","7","7","3","5","1") = "6"
    & skf18("2","2","7","7","3","6","1") = "6"
    & skf18("2","2","7","7","3","7","1") = "6"
    & skf18("2","2","7","7","3","8","1") = "7"
    & skf18("2","2","7","7","3","9","1") = "8"
    & skf18("2","2","7","7","3","10","1") = "9"
    & skf18("2","2","7","7","4","1","1") = "6"
    & skf18("2","2","7","7","4","2","1") = "6"
    & skf18("2","2","7","7","4","3","1") = "6"
    & skf18("2","2","7","7","4","4","1") = "6"
    & skf18("2","2","7","7","4","5","1") = "6"
    & skf18("2","2","7","7","4","6","1") = "6"
    & skf18("2","2","7","7","4","7","1") = "6"
    & skf18("2","2","7","7","4","8","1") = "7"
    & skf18("2","2","7","7","4","9","1") = "8"
    & skf18("2","2","7","7","4","10","1") = "9"
    & skf18("2","2","7","7","5","1","1") = "6"
    & skf18("2","2","7","7","5","2","1") = "6"
    & skf18("2","2","7","7","5","3","1") = "6"
    & skf18("2","2","7","7","5","4","1") = "6"
    & skf18("2","2","7","7","5","5","1") = "6"
    & skf18("2","2","7","7","5","6","1") = "6"
    & skf18("2","2","7","7","5","7","1") = "6"
    & skf18("2","2","7","7","5","8","1") = "7"
    & skf18("2","2","7","7","5","9","1") = "8"
    & skf18("2","2","7","7","5","10","1") = "9"
    & skf18("2","2","7","7","6","1","1") = "6"
    & skf18("2","2","7","7","6","2","1") = "6"
    & skf18("2","2","7","7","6","3","1") = "6"
    & skf18("2","2","7","7","6","4","1") = "6"
    & skf18("2","2","7","7","6","5","1") = "6"
    & skf18("2","2","7","7","6","6","1") = "6"
    & skf18("2","2","7","7","6","7","1") = "6"
    & skf18("2","2","7","7","6","8","1") = "7"
    & skf18("2","2","7","7","6","9","1") = "8"
    & skf18("2","2","7","7","6","10","1") = "9"
    & skf18("2","2","7","7","7","1","1") = "6"
    & skf18("2","2","7","7","7","2","1") = "6"
    & skf18("2","2","7","7","7","3","1") = "6"
    & skf18("2","2","7","7","7","4","1") = "6"
    & skf18("2","2","7","7","7","5","1") = "6"
    & skf18("2","2","7","7","7","6","1") = "6"
    & skf18("2","2","7","7","7","7","1") = "6"
    & skf18("2","2","7","7","7","8","1") = "7"
    & skf18("2","2","7","7","7","9","1") = "8"
    & skf18("2","2","7","7","7","10","1") = "9"
    & skf18("2","2","7","7","8","1","1") = "7"
    & skf18("2","2","7","7","8","2","1") = "7"
    & skf18("2","2","7","7","8","3","1") = "7"
    & skf18("2","2","7","7","8","4","1") = "7"
    & skf18("2","2","7","7","8","5","1") = "7"
    & skf18("2","2","7","7","8","6","1") = "7"
    & skf18("2","2","7","7","8","7","1") = "7"
    & skf18("2","2","7","7","8","8","1") = "7"
    & skf18("2","2","7","7","8","9","1") = "8"
    & skf18("2","2","7","7","8","10","1") = "9"
    & skf18("2","2","7","7","9","1","1") = "8"
    & skf18("2","2","7","7","9","2","1") = "8"
    & skf18("2","2","7","7","9","3","1") = "8"
    & skf18("2","2","7","7","9","4","1") = "8"
    & skf18("2","2","7","7","9","5","1") = "8"
    & skf18("2","2","7","7","9","6","1") = "8"
    & skf18("2","2","7","7","9","7","1") = "8"
    & skf18("2","2","7","7","9","8","1") = "8"
    & skf18("2","2","7","7","9","9","1") = "8"
    & skf18("2","2","7","7","9","10","1") = "9"
    & skf18("2","2","7","7","10","1","1") = "9"
    & skf18("2","2","7","7","10","2","1") = "9"
    & skf18("2","2","7","7","10","3","1") = "9"
    & skf18("2","2","7","7","10","4","1") = "9"
    & skf18("2","2","7","7","10","5","1") = "9"
    & skf18("2","2","7","7","10","6","1") = "9"
    & skf18("2","2","7","7","10","7","1") = "9"
    & skf18("2","2","7","7","10","8","1") = "9"
    & skf18("2","2","7","7","10","9","1") = "9"
    & skf18("2","2","7","7","10","10","1") = "9"
    & skf18("2","2","7","8","1","1","1") = "7"
    & skf18("2","2","7","8","1","2","1") = "7"
    & skf18("2","2","7","8","1","3","1") = "7"
    & skf18("2","2","7","8","1","4","1") = "7"
    & skf18("2","2","7","8","1","5","1") = "7"
    & skf18("2","2","7","8","1","6","1") = "7"
    & skf18("2","2","7","8","1","7","1") = "7"
    & skf18("2","2","7","8","1","8","1") = "7"
    & skf18("2","2","7","8","1","9","1") = "8"
    & skf18("2","2","7","8","1","10","1") = "9"
    & skf18("2","2","7","8","2","1","1") = "7"
    & skf18("2","2","7","8","2","2","1") = "7"
    & skf18("2","2","7","8","2","3","1") = "7"
    & skf18("2","2","7","8","2","4","1") = "7"
    & skf18("2","2","7","8","2","5","1") = "7"
    & skf18("2","2","7","8","2","6","1") = "7"
    & skf18("2","2","7","8","2","7","1") = "7"
    & skf18("2","2","7","8","2","8","1") = "7"
    & skf18("2","2","7","8","2","9","1") = "8"
    & skf18("2","2","7","8","2","10","1") = "9"
    & skf18("2","2","7","8","3","1","1") = "7"
    & skf18("2","2","7","8","3","2","1") = "7"
    & skf18("2","2","7","8","3","3","1") = "7"
    & skf18("2","2","7","8","3","4","1") = "7"
    & skf18("2","2","7","8","3","5","1") = "7"
    & skf18("2","2","7","8","3","6","1") = "7"
    & skf18("2","2","7","8","3","7","1") = "7"
    & skf18("2","2","7","8","3","8","1") = "7"
    & skf18("2","2","7","8","3","9","1") = "8"
    & skf18("2","2","7","8","3","10","1") = "9"
    & skf18("2","2","7","8","4","1","1") = "7"
    & skf18("2","2","7","8","4","2","1") = "7"
    & skf18("2","2","7","8","4","3","1") = "7"
    & skf18("2","2","7","8","4","4","1") = "7"
    & skf18("2","2","7","8","4","5","1") = "7"
    & skf18("2","2","7","8","4","6","1") = "7"
    & skf18("2","2","7","8","4","7","1") = "7"
    & skf18("2","2","7","8","4","8","1") = "7"
    & skf18("2","2","7","8","4","9","1") = "8"
    & skf18("2","2","7","8","4","10","1") = "9"
    & skf18("2","2","7","8","5","1","1") = "7"
    & skf18("2","2","7","8","5","2","1") = "7"
    & skf18("2","2","7","8","5","3","1") = "7"
    & skf18("2","2","7","8","5","4","1") = "7"
    & skf18("2","2","7","8","5","5","1") = "7"
    & skf18("2","2","7","8","5","6","1") = "7"
    & skf18("2","2","7","8","5","7","1") = "7"
    & skf18("2","2","7","8","5","8","1") = "7"
    & skf18("2","2","7","8","5","9","1") = "8"
    & skf18("2","2","7","8","5","10","1") = "9"
    & skf18("2","2","7","8","6","1","1") = "7"
    & skf18("2","2","7","8","6","2","1") = "7"
    & skf18("2","2","7","8","6","3","1") = "7"
    & skf18("2","2","7","8","6","4","1") = "7"
    & skf18("2","2","7","8","6","5","1") = "7"
    & skf18("2","2","7","8","6","6","1") = "7"
    & skf18("2","2","7","8","6","7","1") = "7"
    & skf18("2","2","7","8","6","8","1") = "7"
    & skf18("2","2","7","8","6","9","1") = "8"
    & skf18("2","2","7","8","6","10","1") = "9"
    & skf18("2","2","7","8","7","1","1") = "7"
    & skf18("2","2","7","8","7","2","1") = "7"
    & skf18("2","2","7","8","7","3","1") = "7"
    & skf18("2","2","7","8","7","4","1") = "7"
    & skf18("2","2","7","8","7","5","1") = "7"
    & skf18("2","2","7","8","7","6","1") = "7"
    & skf18("2","2","7","8","7","7","1") = "7"
    & skf18("2","2","7","8","7","8","1") = "7"
    & skf18("2","2","7","8","7","9","1") = "8"
    & skf18("2","2","7","8","7","10","1") = "9"
    & skf18("2","2","7","8","8","1","1") = "7"
    & skf18("2","2","7","8","8","2","1") = "7"
    & skf18("2","2","7","8","8","3","1") = "7"
    & skf18("2","2","7","8","8","4","1") = "7"
    & skf18("2","2","7","8","8","5","1") = "7"
    & skf18("2","2","7","8","8","6","1") = "7"
    & skf18("2","2","7","8","8","7","1") = "7"
    & skf18("2","2","7","8","8","8","1") = "7"
    & skf18("2","2","7","8","8","9","1") = "8"
    & skf18("2","2","7","8","8","10","1") = "9"
    & skf18("2","2","7","8","9","1","1") = "8"
    & skf18("2","2","7","8","9","2","1") = "8"
    & skf18("2","2","7","8","9","3","1") = "8"
    & skf18("2","2","7","8","9","4","1") = "8"
    & skf18("2","2","7","8","9","5","1") = "8"
    & skf18("2","2","7","8","9","6","1") = "8"
    & skf18("2","2","7","8","9","7","1") = "8"
    & skf18("2","2","7","8","9","8","1") = "8"
    & skf18("2","2","7","8","9","9","1") = "8"
    & skf18("2","2","7","8","9","10","1") = "9"
    & skf18("2","2","7","8","10","1","1") = "9"
    & skf18("2","2","7","8","10","2","1") = "9"
    & skf18("2","2","7","8","10","3","1") = "9"
    & skf18("2","2","7","8","10","4","1") = "9"
    & skf18("2","2","7","8","10","5","1") = "9"
    & skf18("2","2","7","8","10","6","1") = "9"
    & skf18("2","2","7","8","10","7","1") = "9"
    & skf18("2","2","7","8","10","8","1") = "9"
    & skf18("2","2","7","8","10","9","1") = "9"
    & skf18("2","2","7","8","10","10","1") = "9"
    & skf18("2","2","7","9","1","1","1") = "8"
    & skf18("2","2","7","9","1","2","1") = "8"
    & skf18("2","2","7","9","1","3","1") = "8"
    & skf18("2","2","7","9","1","4","1") = "8"
    & skf18("2","2","7","9","1","5","1") = "8"
    & skf18("2","2","7","9","1","6","1") = "8"
    & skf18("2","2","7","9","1","7","1") = "8"
    & skf18("2","2","7","9","1","8","1") = "8"
    & skf18("2","2","7","9","1","9","1") = "8"
    & skf18("2","2","7","9","1","10","1") = "9"
    & skf18("2","2","7","9","2","1","1") = "8"
    & skf18("2","2","7","9","2","2","1") = "8"
    & skf18("2","2","7","9","2","3","1") = "8"
    & skf18("2","2","7","9","2","4","1") = "8"
    & skf18("2","2","7","9","2","5","1") = "8"
    & skf18("2","2","7","9","2","6","1") = "8"
    & skf18("2","2","7","9","2","7","1") = "8"
    & skf18("2","2","7","9","2","8","1") = "8"
    & skf18("2","2","7","9","2","9","1") = "8"
    & skf18("2","2","7","9","2","10","1") = "9"
    & skf18("2","2","7","9","3","1","1") = "8"
    & skf18("2","2","7","9","3","2","1") = "8"
    & skf18("2","2","7","9","3","3","1") = "8"
    & skf18("2","2","7","9","3","4","1") = "8"
    & skf18("2","2","7","9","3","5","1") = "8"
    & skf18("2","2","7","9","3","6","1") = "8"
    & skf18("2","2","7","9","3","7","1") = "8"
    & skf18("2","2","7","9","3","8","1") = "8"
    & skf18("2","2","7","9","3","9","1") = "8"
    & skf18("2","2","7","9","3","10","1") = "9"
    & skf18("2","2","7","9","4","1","1") = "8"
    & skf18("2","2","7","9","4","2","1") = "8"
    & skf18("2","2","7","9","4","3","1") = "8"
    & skf18("2","2","7","9","4","4","1") = "8"
    & skf18("2","2","7","9","4","5","1") = "8"
    & skf18("2","2","7","9","4","6","1") = "8"
    & skf18("2","2","7","9","4","7","1") = "8"
    & skf18("2","2","7","9","4","8","1") = "8"
    & skf18("2","2","7","9","4","9","1") = "8"
    & skf18("2","2","7","9","4","10","1") = "9"
    & skf18("2","2","7","9","5","1","1") = "8"
    & skf18("2","2","7","9","5","2","1") = "8"
    & skf18("2","2","7","9","5","3","1") = "8"
    & skf18("2","2","7","9","5","4","1") = "8"
    & skf18("2","2","7","9","5","5","1") = "8"
    & skf18("2","2","7","9","5","6","1") = "8"
    & skf18("2","2","7","9","5","7","1") = "8"
    & skf18("2","2","7","9","5","8","1") = "8"
    & skf18("2","2","7","9","5","9","1") = "8"
    & skf18("2","2","7","9","5","10","1") = "9"
    & skf18("2","2","7","9","6","1","1") = "8"
    & skf18("2","2","7","9","6","2","1") = "8"
    & skf18("2","2","7","9","6","3","1") = "8"
    & skf18("2","2","7","9","6","4","1") = "8"
    & skf18("2","2","7","9","6","5","1") = "8"
    & skf18("2","2","7","9","6","6","1") = "8"
    & skf18("2","2","7","9","6","7","1") = "8"
    & skf18("2","2","7","9","6","8","1") = "8"
    & skf18("2","2","7","9","6","9","1") = "8"
    & skf18("2","2","7","9","6","10","1") = "9"
    & skf18("2","2","7","9","7","1","1") = "8"
    & skf18("2","2","7","9","7","2","1") = "8"
    & skf18("2","2","7","9","7","3","1") = "8"
    & skf18("2","2","7","9","7","4","1") = "8"
    & skf18("2","2","7","9","7","5","1") = "8"
    & skf18("2","2","7","9","7","6","1") = "8"
    & skf18("2","2","7","9","7","7","1") = "8"
    & skf18("2","2","7","9","7","8","1") = "8"
    & skf18("2","2","7","9","7","9","1") = "8"
    & skf18("2","2","7","9","7","10","1") = "9"
    & skf18("2","2","7","9","8","1","1") = "8"
    & skf18("2","2","7","9","8","2","1") = "8"
    & skf18("2","2","7","9","8","3","1") = "8"
    & skf18("2","2","7","9","8","4","1") = "8"
    & skf18("2","2","7","9","8","5","1") = "8"
    & skf18("2","2","7","9","8","6","1") = "8"
    & skf18("2","2","7","9","8","7","1") = "8"
    & skf18("2","2","7","9","8","8","1") = "8"
    & skf18("2","2","7","9","8","9","1") = "8"
    & skf18("2","2","7","9","8","10","1") = "9"
    & skf18("2","2","7","9","9","1","1") = "8"
    & skf18("2","2","7","9","9","2","1") = "8"
    & skf18("2","2","7","9","9","3","1") = "8"
    & skf18("2","2","7","9","9","4","1") = "8"
    & skf18("2","2","7","9","9","5","1") = "8"
    & skf18("2","2","7","9","9","6","1") = "8"
    & skf18("2","2","7","9","9","7","1") = "8"
    & skf18("2","2","7","9","9","8","1") = "8"
    & skf18("2","2","7","9","9","9","1") = "8"
    & skf18("2","2","7","9","9","10","1") = "9"
    & skf18("2","2","7","9","10","1","1") = "9"
    & skf18("2","2","7","9","10","2","1") = "9"
    & skf18("2","2","7","9","10","3","1") = "9"
    & skf18("2","2","7","9","10","4","1") = "9"
    & skf18("2","2","7","9","10","5","1") = "9"
    & skf18("2","2","7","9","10","6","1") = "9"
    & skf18("2","2","7","9","10","7","1") = "9"
    & skf18("2","2","7","9","10","8","1") = "9"
    & skf18("2","2","7","9","10","9","1") = "9"
    & skf18("2","2","7","9","10","10","1") = "9"
    & skf18("2","2","7","10","1","1","1") = "9"
    & skf18("2","2","7","10","1","2","1") = "9"
    & skf18("2","2","7","10","1","3","1") = "9"
    & skf18("2","2","7","10","1","4","1") = "9"
    & skf18("2","2","7","10","1","5","1") = "9"
    & skf18("2","2","7","10","1","6","1") = "9"
    & skf18("2","2","7","10","1","7","1") = "9"
    & skf18("2","2","7","10","1","8","1") = "9"
    & skf18("2","2","7","10","1","9","1") = "9"
    & skf18("2","2","7","10","1","10","1") = "9"
    & skf18("2","2","7","10","2","1","1") = "9"
    & skf18("2","2","7","10","2","2","1") = "9"
    & skf18("2","2","7","10","2","3","1") = "9"
    & skf18("2","2","7","10","2","4","1") = "9"
    & skf18("2","2","7","10","2","5","1") = "9"
    & skf18("2","2","7","10","2","6","1") = "9"
    & skf18("2","2","7","10","2","7","1") = "9"
    & skf18("2","2","7","10","2","8","1") = "9"
    & skf18("2","2","7","10","2","9","1") = "9"
    & skf18("2","2","7","10","2","10","1") = "9"
    & skf18("2","2","7","10","3","1","1") = "9"
    & skf18("2","2","7","10","3","2","1") = "9"
    & skf18("2","2","7","10","3","3","1") = "9"
    & skf18("2","2","7","10","3","4","1") = "9"
    & skf18("2","2","7","10","3","5","1") = "9"
    & skf18("2","2","7","10","3","6","1") = "9"
    & skf18("2","2","7","10","3","7","1") = "9"
    & skf18("2","2","7","10","3","8","1") = "9"
    & skf18("2","2","7","10","3","9","1") = "9"
    & skf18("2","2","7","10","3","10","1") = "9"
    & skf18("2","2","7","10","4","1","1") = "9"
    & skf18("2","2","7","10","4","2","1") = "9"
    & skf18("2","2","7","10","4","3","1") = "9"
    & skf18("2","2","7","10","4","4","1") = "9"
    & skf18("2","2","7","10","4","5","1") = "9"
    & skf18("2","2","7","10","4","6","1") = "9"
    & skf18("2","2","7","10","4","7","1") = "9"
    & skf18("2","2","7","10","4","8","1") = "9"
    & skf18("2","2","7","10","4","9","1") = "9"
    & skf18("2","2","7","10","4","10","1") = "9"
    & skf18("2","2","7","10","5","1","1") = "9"
    & skf18("2","2","7","10","5","2","1") = "9"
    & skf18("2","2","7","10","5","3","1") = "9"
    & skf18("2","2","7","10","5","4","1") = "9"
    & skf18("2","2","7","10","5","5","1") = "9"
    & skf18("2","2","7","10","5","6","1") = "9"
    & skf18("2","2","7","10","5","7","1") = "9"
    & skf18("2","2","7","10","5","8","1") = "9"
    & skf18("2","2","7","10","5","9","1") = "9"
    & skf18("2","2","7","10","5","10","1") = "9"
    & skf18("2","2","7","10","6","1","1") = "9"
    & skf18("2","2","7","10","6","2","1") = "9"
    & skf18("2","2","7","10","6","3","1") = "9"
    & skf18("2","2","7","10","6","4","1") = "9"
    & skf18("2","2","7","10","6","5","1") = "9"
    & skf18("2","2","7","10","6","6","1") = "9"
    & skf18("2","2","7","10","6","7","1") = "9"
    & skf18("2","2","7","10","6","8","1") = "9"
    & skf18("2","2","7","10","6","9","1") = "9"
    & skf18("2","2","7","10","6","10","1") = "9"
    & skf18("2","2","7","10","7","1","1") = "9"
    & skf18("2","2","7","10","7","2","1") = "9"
    & skf18("2","2","7","10","7","3","1") = "9"
    & skf18("2","2","7","10","7","4","1") = "9"
    & skf18("2","2","7","10","7","5","1") = "9"
    & skf18("2","2","7","10","7","6","1") = "9"
    & skf18("2","2","7","10","7","7","1") = "9"
    & skf18("2","2","7","10","7","8","1") = "9"
    & skf18("2","2","7","10","7","9","1") = "9"
    & skf18("2","2","7","10","7","10","1") = "9"
    & skf18("2","2","7","10","8","1","1") = "9"
    & skf18("2","2","7","10","8","2","1") = "9"
    & skf18("2","2","7","10","8","3","1") = "9"
    & skf18("2","2","7","10","8","4","1") = "9"
    & skf18("2","2","7","10","8","5","1") = "9"
    & skf18("2","2","7","10","8","6","1") = "9"
    & skf18("2","2","7","10","8","7","1") = "9"
    & skf18("2","2","7","10","8","8","1") = "9"
    & skf18("2","2","7","10","8","9","1") = "9"
    & skf18("2","2","7","10","8","10","1") = "9"
    & skf18("2","2","7","10","9","1","1") = "9"
    & skf18("2","2","7","10","9","2","1") = "9"
    & skf18("2","2","7","10","9","3","1") = "9"
    & skf18("2","2","7","10","9","4","1") = "9"
    & skf18("2","2","7","10","9","5","1") = "9"
    & skf18("2","2","7","10","9","6","1") = "9"
    & skf18("2","2","7","10","9","7","1") = "9"
    & skf18("2","2","7","10","9","8","1") = "9"
    & skf18("2","2","7","10","9","9","1") = "9"
    & skf18("2","2","7","10","9","10","1") = "9"
    & skf18("2","2","7","10","10","1","1") = "9"
    & skf18("2","2","7","10","10","2","1") = "9"
    & skf18("2","2","7","10","10","3","1") = "9"
    & skf18("2","2","7","10","10","4","1") = "9"
    & skf18("2","2","7","10","10","5","1") = "9"
    & skf18("2","2","7","10","10","6","1") = "9"
    & skf18("2","2","7","10","10","7","1") = "9"
    & skf18("2","2","7","10","10","8","1") = "9"
    & skf18("2","2","7","10","10","9","1") = "9"
    & skf18("2","2","7","10","10","10","1") = "9"
    & skf18("2","2","8","1","1","1","1") = "7"
    & skf18("2","2","8","1","1","2","1") = "7"
    & skf18("2","2","8","1","1","3","1") = "7"
    & skf18("2","2","8","1","1","4","1") = "7"
    & skf18("2","2","8","1","1","5","1") = "7"
    & skf18("2","2","8","1","1","6","1") = "7"
    & skf18("2","2","8","1","1","7","1") = "7"
    & skf18("2","2","8","1","1","8","1") = "7"
    & skf18("2","2","8","1","1","9","1") = "8"
    & skf18("2","2","8","1","1","10","1") = "9"
    & skf18("2","2","8","1","2","1","1") = "7"
    & skf18("2","2","8","1","2","2","1") = "7"
    & skf18("2","2","8","1","2","3","1") = "7"
    & skf18("2","2","8","1","2","4","1") = "7"
    & skf18("2","2","8","1","2","5","1") = "7"
    & skf18("2","2","8","1","2","6","1") = "7"
    & skf18("2","2","8","1","2","7","1") = "7"
    & skf18("2","2","8","1","2","8","1") = "7"
    & skf18("2","2","8","1","2","9","1") = "8"
    & skf18("2","2","8","1","2","10","1") = "9"
    & skf18("2","2","8","1","3","1","1") = "7"
    & skf18("2","2","8","1","3","2","1") = "7"
    & skf18("2","2","8","1","3","3","1") = "7"
    & skf18("2","2","8","1","3","4","1") = "7"
    & skf18("2","2","8","1","3","5","1") = "7"
    & skf18("2","2","8","1","3","6","1") = "7"
    & skf18("2","2","8","1","3","7","1") = "7"
    & skf18("2","2","8","1","3","8","1") = "7"
    & skf18("2","2","8","1","3","9","1") = "8"
    & skf18("2","2","8","1","3","10","1") = "9"
    & skf18("2","2","8","1","4","1","1") = "7"
    & skf18("2","2","8","1","4","2","1") = "7"
    & skf18("2","2","8","1","4","3","1") = "7"
    & skf18("2","2","8","1","4","4","1") = "7"
    & skf18("2","2","8","1","4","5","1") = "7"
    & skf18("2","2","8","1","4","6","1") = "7"
    & skf18("2","2","8","1","4","7","1") = "7"
    & skf18("2","2","8","1","4","8","1") = "7"
    & skf18("2","2","8","1","4","9","1") = "8"
    & skf18("2","2","8","1","4","10","1") = "9"
    & skf18("2","2","8","1","5","1","1") = "7"
    & skf18("2","2","8","1","5","2","1") = "7"
    & skf18("2","2","8","1","5","3","1") = "7"
    & skf18("2","2","8","1","5","4","1") = "7"
    & skf18("2","2","8","1","5","5","1") = "7"
    & skf18("2","2","8","1","5","6","1") = "7"
    & skf18("2","2","8","1","5","7","1") = "7"
    & skf18("2","2","8","1","5","8","1") = "7"
    & skf18("2","2","8","1","5","9","1") = "8"
    & skf18("2","2","8","1","5","10","1") = "9"
    & skf18("2","2","8","1","6","1","1") = "7"
    & skf18("2","2","8","1","6","2","1") = "7"
    & skf18("2","2","8","1","6","3","1") = "7"
    & skf18("2","2","8","1","6","4","1") = "7"
    & skf18("2","2","8","1","6","5","1") = "7"
    & skf18("2","2","8","1","6","6","1") = "7"
    & skf18("2","2","8","1","6","7","1") = "7"
    & skf18("2","2","8","1","6","8","1") = "7"
    & skf18("2","2","8","1","6","9","1") = "8"
    & skf18("2","2","8","1","6","10","1") = "9"
    & skf18("2","2","8","1","7","1","1") = "7"
    & skf18("2","2","8","1","7","2","1") = "7"
    & skf18("2","2","8","1","7","3","1") = "7"
    & skf18("2","2","8","1","7","4","1") = "7"
    & skf18("2","2","8","1","7","5","1") = "7"
    & skf18("2","2","8","1","7","6","1") = "7"
    & skf18("2","2","8","1","7","7","1") = "7"
    & skf18("2","2","8","1","7","8","1") = "7"
    & skf18("2","2","8","1","7","9","1") = "8"
    & skf18("2","2","8","1","7","10","1") = "9"
    & skf18("2","2","8","1","8","1","1") = "7"
    & skf18("2","2","8","1","8","2","1") = "7"
    & skf18("2","2","8","1","8","3","1") = "7"
    & skf18("2","2","8","1","8","4","1") = "7"
    & skf18("2","2","8","1","8","5","1") = "7"
    & skf18("2","2","8","1","8","6","1") = "7"
    & skf18("2","2","8","1","8","7","1") = "7"
    & skf18("2","2","8","1","8","8","1") = "7"
    & skf18("2","2","8","1","8","9","1") = "8"
    & skf18("2","2","8","1","8","10","1") = "9"
    & skf18("2","2","8","1","9","1","1") = "8"
    & skf18("2","2","8","1","9","2","1") = "8"
    & skf18("2","2","8","1","9","3","1") = "8"
    & skf18("2","2","8","1","9","4","1") = "8"
    & skf18("2","2","8","1","9","5","1") = "8"
    & skf18("2","2","8","1","9","6","1") = "8"
    & skf18("2","2","8","1","9","7","1") = "8"
    & skf18("2","2","8","1","9","8","1") = "8"
    & skf18("2","2","8","1","9","9","1") = "8"
    & skf18("2","2","8","1","9","10","1") = "9"
    & skf18("2","2","8","1","10","1","1") = "9"
    & skf18("2","2","8","1","10","2","1") = "9"
    & skf18("2","2","8","1","10","3","1") = "9"
    & skf18("2","2","8","1","10","4","1") = "9"
    & skf18("2","2","8","1","10","5","1") = "9"
    & skf18("2","2","8","1","10","6","1") = "9"
    & skf18("2","2","8","1","10","7","1") = "9"
    & skf18("2","2","8","1","10","8","1") = "9"
    & skf18("2","2","8","1","10","9","1") = "9"
    & skf18("2","2","8","1","10","10","1") = "9"
    & skf18("2","2","8","2","1","1","1") = "7"
    & skf18("2","2","8","2","1","2","1") = "7"
    & skf18("2","2","8","2","1","3","1") = "7"
    & skf18("2","2","8","2","1","4","1") = "7"
    & skf18("2","2","8","2","1","5","1") = "7"
    & skf18("2","2","8","2","1","6","1") = "7"
    & skf18("2","2","8","2","1","7","1") = "7"
    & skf18("2","2","8","2","1","8","1") = "7"
    & skf18("2","2","8","2","1","9","1") = "8"
    & skf18("2","2","8","2","1","10","1") = "9"
    & skf18("2","2","8","2","2","1","1") = "7"
    & skf18("2","2","8","2","2","2","1") = "7"
    & skf18("2","2","8","2","2","3","1") = "7"
    & skf18("2","2","8","2","2","4","1") = "7"
    & skf18("2","2","8","2","2","5","1") = "7"
    & skf18("2","2","8","2","2","6","1") = "7"
    & skf18("2","2","8","2","2","7","1") = "7"
    & skf18("2","2","8","2","2","8","1") = "7"
    & skf18("2","2","8","2","2","9","1") = "8"
    & skf18("2","2","8","2","2","10","1") = "9"
    & skf18("2","2","8","2","3","1","1") = "7"
    & skf18("2","2","8","2","3","2","1") = "7"
    & skf18("2","2","8","2","3","3","1") = "7"
    & skf18("2","2","8","2","3","4","1") = "7"
    & skf18("2","2","8","2","3","5","1") = "7"
    & skf18("2","2","8","2","3","6","1") = "7"
    & skf18("2","2","8","2","3","7","1") = "7"
    & skf18("2","2","8","2","3","8","1") = "7"
    & skf18("2","2","8","2","3","9","1") = "8"
    & skf18("2","2","8","2","3","10","1") = "9"
    & skf18("2","2","8","2","4","1","1") = "7"
    & skf18("2","2","8","2","4","2","1") = "7"
    & skf18("2","2","8","2","4","3","1") = "7"
    & skf18("2","2","8","2","4","4","1") = "7"
    & skf18("2","2","8","2","4","5","1") = "7"
    & skf18("2","2","8","2","4","6","1") = "7"
    & skf18("2","2","8","2","4","7","1") = "7"
    & skf18("2","2","8","2","4","8","1") = "7"
    & skf18("2","2","8","2","4","9","1") = "8"
    & skf18("2","2","8","2","4","10","1") = "9"
    & skf18("2","2","8","2","5","1","1") = "7"
    & skf18("2","2","8","2","5","2","1") = "7"
    & skf18("2","2","8","2","5","3","1") = "7"
    & skf18("2","2","8","2","5","4","1") = "7"
    & skf18("2","2","8","2","5","5","1") = "7"
    & skf18("2","2","8","2","5","6","1") = "7"
    & skf18("2","2","8","2","5","7","1") = "7"
    & skf18("2","2","8","2","5","8","1") = "7"
    & skf18("2","2","8","2","5","9","1") = "8"
    & skf18("2","2","8","2","5","10","1") = "9"
    & skf18("2","2","8","2","6","1","1") = "7"
    & skf18("2","2","8","2","6","2","1") = "7"
    & skf18("2","2","8","2","6","3","1") = "7"
    & skf18("2","2","8","2","6","4","1") = "7"
    & skf18("2","2","8","2","6","5","1") = "7"
    & skf18("2","2","8","2","6","6","1") = "7"
    & skf18("2","2","8","2","6","7","1") = "7"
    & skf18("2","2","8","2","6","8","1") = "7"
    & skf18("2","2","8","2","6","9","1") = "8"
    & skf18("2","2","8","2","6","10","1") = "9"
    & skf18("2","2","8","2","7","1","1") = "7"
    & skf18("2","2","8","2","7","2","1") = "7"
    & skf18("2","2","8","2","7","3","1") = "7"
    & skf18("2","2","8","2","7","4","1") = "7"
    & skf18("2","2","8","2","7","5","1") = "7"
    & skf18("2","2","8","2","7","6","1") = "7"
    & skf18("2","2","8","2","7","7","1") = "7"
    & skf18("2","2","8","2","7","8","1") = "7"
    & skf18("2","2","8","2","7","9","1") = "8"
    & skf18("2","2","8","2","7","10","1") = "9"
    & skf18("2","2","8","2","8","1","1") = "7"
    & skf18("2","2","8","2","8","2","1") = "7"
    & skf18("2","2","8","2","8","3","1") = "7"
    & skf18("2","2","8","2","8","4","1") = "7"
    & skf18("2","2","8","2","8","5","1") = "7"
    & skf18("2","2","8","2","8","6","1") = "7"
    & skf18("2","2","8","2","8","7","1") = "7"
    & skf18("2","2","8","2","8","8","1") = "7"
    & skf18("2","2","8","2","8","9","1") = "8"
    & skf18("2","2","8","2","8","10","1") = "9"
    & skf18("2","2","8","2","9","1","1") = "8"
    & skf18("2","2","8","2","9","2","1") = "8"
    & skf18("2","2","8","2","9","3","1") = "8"
    & skf18("2","2","8","2","9","4","1") = "8"
    & skf18("2","2","8","2","9","5","1") = "8"
    & skf18("2","2","8","2","9","6","1") = "8"
    & skf18("2","2","8","2","9","7","1") = "8"
    & skf18("2","2","8","2","9","8","1") = "8"
    & skf18("2","2","8","2","9","9","1") = "8"
    & skf18("2","2","8","2","9","10","1") = "9"
    & skf18("2","2","8","2","10","1","1") = "9"
    & skf18("2","2","8","2","10","2","1") = "9"
    & skf18("2","2","8","2","10","3","1") = "9"
    & skf18("2","2","8","2","10","4","1") = "9"
    & skf18("2","2","8","2","10","5","1") = "9"
    & skf18("2","2","8","2","10","6","1") = "9"
    & skf18("2","2","8","2","10","7","1") = "9"
    & skf18("2","2","8","2","10","8","1") = "9"
    & skf18("2","2","8","2","10","9","1") = "9"
    & skf18("2","2","8","2","10","10","1") = "9"
    & skf18("2","2","8","3","1","1","1") = "7"
    & skf18("2","2","8","3","1","2","1") = "7"
    & skf18("2","2","8","3","1","3","1") = "7"
    & skf18("2","2","8","3","1","4","1") = "7"
    & skf18("2","2","8","3","1","5","1") = "7"
    & skf18("2","2","8","3","1","6","1") = "7"
    & skf18("2","2","8","3","1","7","1") = "7"
    & skf18("2","2","8","3","1","8","1") = "7"
    & skf18("2","2","8","3","1","9","1") = "8"
    & skf18("2","2","8","3","1","10","1") = "9"
    & skf18("2","2","8","3","2","1","1") = "7"
    & skf18("2","2","8","3","2","2","1") = "7"
    & skf18("2","2","8","3","2","3","1") = "7"
    & skf18("2","2","8","3","2","4","1") = "7"
    & skf18("2","2","8","3","2","5","1") = "7"
    & skf18("2","2","8","3","2","6","1") = "7"
    & skf18("2","2","8","3","2","7","1") = "7"
    & skf18("2","2","8","3","2","8","1") = "7"
    & skf18("2","2","8","3","2","9","1") = "8"
    & skf18("2","2","8","3","2","10","1") = "9"
    & skf18("2","2","8","3","3","1","1") = "7"
    & skf18("2","2","8","3","3","2","1") = "7"
    & skf18("2","2","8","3","3","3","1") = "7"
    & skf18("2","2","8","3","3","4","1") = "7"
    & skf18("2","2","8","3","3","5","1") = "7"
    & skf18("2","2","8","3","3","6","1") = "7"
    & skf18("2","2","8","3","3","7","1") = "7"
    & skf18("2","2","8","3","3","8","1") = "7"
    & skf18("2","2","8","3","3","9","1") = "8"
    & skf18("2","2","8","3","3","10","1") = "9"
    & skf18("2","2","8","3","4","1","1") = "7"
    & skf18("2","2","8","3","4","2","1") = "7"
    & skf18("2","2","8","3","4","3","1") = "7"
    & skf18("2","2","8","3","4","4","1") = "7"
    & skf18("2","2","8","3","4","5","1") = "7"
    & skf18("2","2","8","3","4","6","1") = "7"
    & skf18("2","2","8","3","4","7","1") = "7"
    & skf18("2","2","8","3","4","8","1") = "7"
    & skf18("2","2","8","3","4","9","1") = "8"
    & skf18("2","2","8","3","4","10","1") = "9"
    & skf18("2","2","8","3","5","1","1") = "7"
    & skf18("2","2","8","3","5","2","1") = "7"
    & skf18("2","2","8","3","5","3","1") = "7"
    & skf18("2","2","8","3","5","4","1") = "7"
    & skf18("2","2","8","3","5","5","1") = "7"
    & skf18("2","2","8","3","5","6","1") = "7"
    & skf18("2","2","8","3","5","7","1") = "7"
    & skf18("2","2","8","3","5","8","1") = "7"
    & skf18("2","2","8","3","5","9","1") = "8"
    & skf18("2","2","8","3","5","10","1") = "9"
    & skf18("2","2","8","3","6","1","1") = "7"
    & skf18("2","2","8","3","6","2","1") = "7"
    & skf18("2","2","8","3","6","3","1") = "7"
    & skf18("2","2","8","3","6","4","1") = "7"
    & skf18("2","2","8","3","6","5","1") = "7"
    & skf18("2","2","8","3","6","6","1") = "7"
    & skf18("2","2","8","3","6","7","1") = "7"
    & skf18("2","2","8","3","6","8","1") = "7"
    & skf18("2","2","8","3","6","9","1") = "8"
    & skf18("2","2","8","3","6","10","1") = "9"
    & skf18("2","2","8","3","7","1","1") = "7"
    & skf18("2","2","8","3","7","2","1") = "7"
    & skf18("2","2","8","3","7","3","1") = "7"
    & skf18("2","2","8","3","7","4","1") = "7"
    & skf18("2","2","8","3","7","5","1") = "7"
    & skf18("2","2","8","3","7","6","1") = "7"
    & skf18("2","2","8","3","7","7","1") = "7"
    & skf18("2","2","8","3","7","8","1") = "7"
    & skf18("2","2","8","3","7","9","1") = "8"
    & skf18("2","2","8","3","7","10","1") = "9"
    & skf18("2","2","8","3","8","1","1") = "7"
    & skf18("2","2","8","3","8","2","1") = "7"
    & skf18("2","2","8","3","8","3","1") = "7"
    & skf18("2","2","8","3","8","4","1") = "7"
    & skf18("2","2","8","3","8","5","1") = "7"
    & skf18("2","2","8","3","8","6","1") = "7"
    & skf18("2","2","8","3","8","7","1") = "7"
    & skf18("2","2","8","3","8","8","1") = "7"
    & skf18("2","2","8","3","8","9","1") = "8"
    & skf18("2","2","8","3","8","10","1") = "9"
    & skf18("2","2","8","3","9","1","1") = "8"
    & skf18("2","2","8","3","9","2","1") = "8"
    & skf18("2","2","8","3","9","3","1") = "8"
    & skf18("2","2","8","3","9","4","1") = "8"
    & skf18("2","2","8","3","9","5","1") = "8"
    & skf18("2","2","8","3","9","6","1") = "8"
    & skf18("2","2","8","3","9","7","1") = "8"
    & skf18("2","2","8","3","9","8","1") = "8"
    & skf18("2","2","8","3","9","9","1") = "8"
    & skf18("2","2","8","3","9","10","1") = "9"
    & skf18("2","2","8","3","10","1","1") = "9"
    & skf18("2","2","8","3","10","2","1") = "9"
    & skf18("2","2","8","3","10","3","1") = "9"
    & skf18("2","2","8","3","10","4","1") = "9"
    & skf18("2","2","8","3","10","5","1") = "9"
    & skf18("2","2","8","3","10","6","1") = "9"
    & skf18("2","2","8","3","10","7","1") = "9"
    & skf18("2","2","8","3","10","8","1") = "9"
    & skf18("2","2","8","3","10","9","1") = "9"
    & skf18("2","2","8","3","10","10","1") = "9"
    & skf18("2","2","8","4","1","1","1") = "7"
    & skf18("2","2","8","4","1","2","1") = "7"
    & skf18("2","2","8","4","1","3","1") = "7"
    & skf18("2","2","8","4","1","4","1") = "7"
    & skf18("2","2","8","4","1","5","1") = "7"
    & skf18("2","2","8","4","1","6","1") = "7"
    & skf18("2","2","8","4","1","7","1") = "7"
    & skf18("2","2","8","4","1","8","1") = "7"
    & skf18("2","2","8","4","1","9","1") = "8"
    & skf18("2","2","8","4","1","10","1") = "9"
    & skf18("2","2","8","4","2","1","1") = "7"
    & skf18("2","2","8","4","2","2","1") = "7"
    & skf18("2","2","8","4","2","3","1") = "7"
    & skf18("2","2","8","4","2","4","1") = "7"
    & skf18("2","2","8","4","2","5","1") = "7"
    & skf18("2","2","8","4","2","6","1") = "7"
    & skf18("2","2","8","4","2","7","1") = "7"
    & skf18("2","2","8","4","2","8","1") = "7"
    & skf18("2","2","8","4","2","9","1") = "8"
    & skf18("2","2","8","4","2","10","1") = "9"
    & skf18("2","2","8","4","3","1","1") = "7"
    & skf18("2","2","8","4","3","2","1") = "7"
    & skf18("2","2","8","4","3","3","1") = "7"
    & skf18("2","2","8","4","3","4","1") = "7"
    & skf18("2","2","8","4","3","5","1") = "7"
    & skf18("2","2","8","4","3","6","1") = "7"
    & skf18("2","2","8","4","3","7","1") = "7"
    & skf18("2","2","8","4","3","8","1") = "7"
    & skf18("2","2","8","4","3","9","1") = "8"
    & skf18("2","2","8","4","3","10","1") = "9"
    & skf18("2","2","8","4","4","1","1") = "7"
    & skf18("2","2","8","4","4","2","1") = "7"
    & skf18("2","2","8","4","4","3","1") = "7"
    & skf18("2","2","8","4","4","4","1") = "7"
    & skf18("2","2","8","4","4","5","1") = "7"
    & skf18("2","2","8","4","4","6","1") = "7"
    & skf18("2","2","8","4","4","7","1") = "7"
    & skf18("2","2","8","4","4","8","1") = "7"
    & skf18("2","2","8","4","4","9","1") = "8"
    & skf18("2","2","8","4","4","10","1") = "9"
    & skf18("2","2","8","4","5","1","1") = "7"
    & skf18("2","2","8","4","5","2","1") = "7"
    & skf18("2","2","8","4","5","3","1") = "7"
    & skf18("2","2","8","4","5","4","1") = "7"
    & skf18("2","2","8","4","5","5","1") = "7"
    & skf18("2","2","8","4","5","6","1") = "7"
    & skf18("2","2","8","4","5","7","1") = "7"
    & skf18("2","2","8","4","5","8","1") = "7"
    & skf18("2","2","8","4","5","9","1") = "8"
    & skf18("2","2","8","4","5","10","1") = "9"
    & skf18("2","2","8","4","6","1","1") = "7"
    & skf18("2","2","8","4","6","2","1") = "7"
    & skf18("2","2","8","4","6","3","1") = "7"
    & skf18("2","2","8","4","6","4","1") = "7"
    & skf18("2","2","8","4","6","5","1") = "7"
    & skf18("2","2","8","4","6","6","1") = "7"
    & skf18("2","2","8","4","6","7","1") = "7"
    & skf18("2","2","8","4","6","8","1") = "7"
    & skf18("2","2","8","4","6","9","1") = "8"
    & skf18("2","2","8","4","6","10","1") = "9"
    & skf18("2","2","8","4","7","1","1") = "7"
    & skf18("2","2","8","4","7","2","1") = "7"
    & skf18("2","2","8","4","7","3","1") = "7"
    & skf18("2","2","8","4","7","4","1") = "7"
    & skf18("2","2","8","4","7","5","1") = "7"
    & skf18("2","2","8","4","7","6","1") = "7"
    & skf18("2","2","8","4","7","7","1") = "7"
    & skf18("2","2","8","4","7","8","1") = "7"
    & skf18("2","2","8","4","7","9","1") = "8"
    & skf18("2","2","8","4","7","10","1") = "9"
    & skf18("2","2","8","4","8","1","1") = "7"
    & skf18("2","2","8","4","8","2","1") = "7"
    & skf18("2","2","8","4","8","3","1") = "7"
    & skf18("2","2","8","4","8","4","1") = "7"
    & skf18("2","2","8","4","8","5","1") = "7"
    & skf18("2","2","8","4","8","6","1") = "7"
    & skf18("2","2","8","4","8","7","1") = "7"
    & skf18("2","2","8","4","8","8","1") = "7"
    & skf18("2","2","8","4","8","9","1") = "8"
    & skf18("2","2","8","4","8","10","1") = "9"
    & skf18("2","2","8","4","9","1","1") = "8"
    & skf18("2","2","8","4","9","2","1") = "8"
    & skf18("2","2","8","4","9","3","1") = "8"
    & skf18("2","2","8","4","9","4","1") = "8"
    & skf18("2","2","8","4","9","5","1") = "8"
    & skf18("2","2","8","4","9","6","1") = "8"
    & skf18("2","2","8","4","9","7","1") = "8"
    & skf18("2","2","8","4","9","8","1") = "8"
    & skf18("2","2","8","4","9","9","1") = "8"
    & skf18("2","2","8","4","9","10","1") = "9"
    & skf18("2","2","8","4","10","1","1") = "9"
    & skf18("2","2","8","4","10","2","1") = "9"
    & skf18("2","2","8","4","10","3","1") = "9"
    & skf18("2","2","8","4","10","4","1") = "9"
    & skf18("2","2","8","4","10","5","1") = "9"
    & skf18("2","2","8","4","10","6","1") = "9"
    & skf18("2","2","8","4","10","7","1") = "9"
    & skf18("2","2","8","4","10","8","1") = "9"
    & skf18("2","2","8","4","10","9","1") = "9"
    & skf18("2","2","8","4","10","10","1") = "9"
    & skf18("2","2","8","5","1","1","1") = "7"
    & skf18("2","2","8","5","1","2","1") = "7"
    & skf18("2","2","8","5","1","3","1") = "7"
    & skf18("2","2","8","5","1","4","1") = "7"
    & skf18("2","2","8","5","1","5","1") = "7"
    & skf18("2","2","8","5","1","6","1") = "7"
    & skf18("2","2","8","5","1","7","1") = "7"
    & skf18("2","2","8","5","1","8","1") = "7"
    & skf18("2","2","8","5","1","9","1") = "8"
    & skf18("2","2","8","5","1","10","1") = "9"
    & skf18("2","2","8","5","2","1","1") = "7"
    & skf18("2","2","8","5","2","2","1") = "7"
    & skf18("2","2","8","5","2","3","1") = "7"
    & skf18("2","2","8","5","2","4","1") = "7"
    & skf18("2","2","8","5","2","5","1") = "7"
    & skf18("2","2","8","5","2","6","1") = "7"
    & skf18("2","2","8","5","2","7","1") = "7"
    & skf18("2","2","8","5","2","8","1") = "7"
    & skf18("2","2","8","5","2","9","1") = "8"
    & skf18("2","2","8","5","2","10","1") = "9"
    & skf18("2","2","8","5","3","1","1") = "7"
    & skf18("2","2","8","5","3","2","1") = "7"
    & skf18("2","2","8","5","3","3","1") = "7"
    & skf18("2","2","8","5","3","4","1") = "7"
    & skf18("2","2","8","5","3","5","1") = "7"
    & skf18("2","2","8","5","3","6","1") = "7"
    & skf18("2","2","8","5","3","7","1") = "7"
    & skf18("2","2","8","5","3","8","1") = "7"
    & skf18("2","2","8","5","3","9","1") = "8"
    & skf18("2","2","8","5","3","10","1") = "9"
    & skf18("2","2","8","5","4","1","1") = "7"
    & skf18("2","2","8","5","4","2","1") = "7"
    & skf18("2","2","8","5","4","3","1") = "7"
    & skf18("2","2","8","5","4","4","1") = "7"
    & skf18("2","2","8","5","4","5","1") = "7"
    & skf18("2","2","8","5","4","6","1") = "7"
    & skf18("2","2","8","5","4","7","1") = "7"
    & skf18("2","2","8","5","4","8","1") = "7"
    & skf18("2","2","8","5","4","9","1") = "8"
    & skf18("2","2","8","5","4","10","1") = "9"
    & skf18("2","2","8","5","5","1","1") = "7"
    & skf18("2","2","8","5","5","2","1") = "7"
    & skf18("2","2","8","5","5","3","1") = "7"
    & skf18("2","2","8","5","5","4","1") = "7"
    & skf18("2","2","8","5","5","5","1") = "7"
    & skf18("2","2","8","5","5","6","1") = "7"
    & skf18("2","2","8","5","5","7","1") = "7"
    & skf18("2","2","8","5","5","8","1") = "7"
    & skf18("2","2","8","5","5","9","1") = "8"
    & skf18("2","2","8","5","5","10","1") = "9"
    & skf18("2","2","8","5","6","1","1") = "7"
    & skf18("2","2","8","5","6","2","1") = "7"
    & skf18("2","2","8","5","6","3","1") = "7"
    & skf18("2","2","8","5","6","4","1") = "7"
    & skf18("2","2","8","5","6","5","1") = "7"
    & skf18("2","2","8","5","6","6","1") = "7"
    & skf18("2","2","8","5","6","7","1") = "7"
    & skf18("2","2","8","5","6","8","1") = "7"
    & skf18("2","2","8","5","6","9","1") = "8"
    & skf18("2","2","8","5","6","10","1") = "9"
    & skf18("2","2","8","5","7","1","1") = "7"
    & skf18("2","2","8","5","7","2","1") = "7"
    & skf18("2","2","8","5","7","3","1") = "7"
    & skf18("2","2","8","5","7","4","1") = "7"
    & skf18("2","2","8","5","7","5","1") = "7"
    & skf18("2","2","8","5","7","6","1") = "7"
    & skf18("2","2","8","5","7","7","1") = "7"
    & skf18("2","2","8","5","7","8","1") = "7"
    & skf18("2","2","8","5","7","9","1") = "8"
    & skf18("2","2","8","5","7","10","1") = "9"
    & skf18("2","2","8","5","8","1","1") = "7"
    & skf18("2","2","8","5","8","2","1") = "7"
    & skf18("2","2","8","5","8","3","1") = "7"
    & skf18("2","2","8","5","8","4","1") = "7"
    & skf18("2","2","8","5","8","5","1") = "7"
    & skf18("2","2","8","5","8","6","1") = "7"
    & skf18("2","2","8","5","8","7","1") = "7"
    & skf18("2","2","8","5","8","8","1") = "7"
    & skf18("2","2","8","5","8","9","1") = "8"
    & skf18("2","2","8","5","8","10","1") = "9"
    & skf18("2","2","8","5","9","1","1") = "8"
    & skf18("2","2","8","5","9","2","1") = "8"
    & skf18("2","2","8","5","9","3","1") = "8"
    & skf18("2","2","8","5","9","4","1") = "8"
    & skf18("2","2","8","5","9","5","1") = "8"
    & skf18("2","2","8","5","9","6","1") = "8"
    & skf18("2","2","8","5","9","7","1") = "8"
    & skf18("2","2","8","5","9","8","1") = "8"
    & skf18("2","2","8","5","9","9","1") = "8"
    & skf18("2","2","8","5","9","10","1") = "9"
    & skf18("2","2","8","5","10","1","1") = "9"
    & skf18("2","2","8","5","10","2","1") = "9"
    & skf18("2","2","8","5","10","3","1") = "9"
    & skf18("2","2","8","5","10","4","1") = "9"
    & skf18("2","2","8","5","10","5","1") = "9"
    & skf18("2","2","8","5","10","6","1") = "9"
    & skf18("2","2","8","5","10","7","1") = "9"
    & skf18("2","2","8","5","10","8","1") = "9"
    & skf18("2","2","8","5","10","9","1") = "9"
    & skf18("2","2","8","5","10","10","1") = "9"
    & skf18("2","2","8","6","1","1","1") = "7"
    & skf18("2","2","8","6","1","2","1") = "7"
    & skf18("2","2","8","6","1","3","1") = "7"
    & skf18("2","2","8","6","1","4","1") = "7"
    & skf18("2","2","8","6","1","5","1") = "7"
    & skf18("2","2","8","6","1","6","1") = "7"
    & skf18("2","2","8","6","1","7","1") = "7"
    & skf18("2","2","8","6","1","8","1") = "7"
    & skf18("2","2","8","6","1","9","1") = "8"
    & skf18("2","2","8","6","1","10","1") = "9"
    & skf18("2","2","8","6","2","1","1") = "7"
    & skf18("2","2","8","6","2","2","1") = "7"
    & skf18("2","2","8","6","2","3","1") = "7"
    & skf18("2","2","8","6","2","4","1") = "7"
    & skf18("2","2","8","6","2","5","1") = "7"
    & skf18("2","2","8","6","2","6","1") = "7"
    & skf18("2","2","8","6","2","7","1") = "7"
    & skf18("2","2","8","6","2","8","1") = "7"
    & skf18("2","2","8","6","2","9","1") = "8"
    & skf18("2","2","8","6","2","10","1") = "9"
    & skf18("2","2","8","6","3","1","1") = "7"
    & skf18("2","2","8","6","3","2","1") = "7"
    & skf18("2","2","8","6","3","3","1") = "7"
    & skf18("2","2","8","6","3","4","1") = "7"
    & skf18("2","2","8","6","3","5","1") = "7"
    & skf18("2","2","8","6","3","6","1") = "7"
    & skf18("2","2","8","6","3","7","1") = "7"
    & skf18("2","2","8","6","3","8","1") = "7"
    & skf18("2","2","8","6","3","9","1") = "8"
    & skf18("2","2","8","6","3","10","1") = "9"
    & skf18("2","2","8","6","4","1","1") = "7"
    & skf18("2","2","8","6","4","2","1") = "7"
    & skf18("2","2","8","6","4","3","1") = "7"
    & skf18("2","2","8","6","4","4","1") = "7"
    & skf18("2","2","8","6","4","5","1") = "7"
    & skf18("2","2","8","6","4","6","1") = "7"
    & skf18("2","2","8","6","4","7","1") = "7"
    & skf18("2","2","8","6","4","8","1") = "7"
    & skf18("2","2","8","6","4","9","1") = "8"
    & skf18("2","2","8","6","4","10","1") = "9"
    & skf18("2","2","8","6","5","1","1") = "7"
    & skf18("2","2","8","6","5","2","1") = "7"
    & skf18("2","2","8","6","5","3","1") = "7"
    & skf18("2","2","8","6","5","4","1") = "7"
    & skf18("2","2","8","6","5","5","1") = "7"
    & skf18("2","2","8","6","5","6","1") = "7"
    & skf18("2","2","8","6","5","7","1") = "7"
    & skf18("2","2","8","6","5","8","1") = "7"
    & skf18("2","2","8","6","5","9","1") = "8"
    & skf18("2","2","8","6","5","10","1") = "9"
    & skf18("2","2","8","6","6","1","1") = "7"
    & skf18("2","2","8","6","6","2","1") = "7"
    & skf18("2","2","8","6","6","3","1") = "7"
    & skf18("2","2","8","6","6","4","1") = "7"
    & skf18("2","2","8","6","6","5","1") = "7"
    & skf18("2","2","8","6","6","6","1") = "7"
    & skf18("2","2","8","6","6","7","1") = "7"
    & skf18("2","2","8","6","6","8","1") = "7"
    & skf18("2","2","8","6","6","9","1") = "8"
    & skf18("2","2","8","6","6","10","1") = "9"
    & skf18("2","2","8","6","7","1","1") = "7"
    & skf18("2","2","8","6","7","2","1") = "7"
    & skf18("2","2","8","6","7","3","1") = "7"
    & skf18("2","2","8","6","7","4","1") = "7"
    & skf18("2","2","8","6","7","5","1") = "7"
    & skf18("2","2","8","6","7","6","1") = "7"
    & skf18("2","2","8","6","7","7","1") = "7"
    & skf18("2","2","8","6","7","8","1") = "7"
    & skf18("2","2","8","6","7","9","1") = "8"
    & skf18("2","2","8","6","7","10","1") = "9"
    & skf18("2","2","8","6","8","1","1") = "7"
    & skf18("2","2","8","6","8","2","1") = "7"
    & skf18("2","2","8","6","8","3","1") = "7"
    & skf18("2","2","8","6","8","4","1") = "7"
    & skf18("2","2","8","6","8","5","1") = "7"
    & skf18("2","2","8","6","8","6","1") = "7"
    & skf18("2","2","8","6","8","7","1") = "7"
    & skf18("2","2","8","6","8","8","1") = "7"
    & skf18("2","2","8","6","8","9","1") = "8"
    & skf18("2","2","8","6","8","10","1") = "9"
    & skf18("2","2","8","6","9","1","1") = "8"
    & skf18("2","2","8","6","9","2","1") = "8"
    & skf18("2","2","8","6","9","3","1") = "8"
    & skf18("2","2","8","6","9","4","1") = "8"
    & skf18("2","2","8","6","9","5","1") = "8"
    & skf18("2","2","8","6","9","6","1") = "8"
    & skf18("2","2","8","6","9","7","1") = "8"
    & skf18("2","2","8","6","9","8","1") = "8"
    & skf18("2","2","8","6","9","9","1") = "8"
    & skf18("2","2","8","6","9","10","1") = "9"
    & skf18("2","2","8","6","10","1","1") = "9"
    & skf18("2","2","8","6","10","2","1") = "9"
    & skf18("2","2","8","6","10","3","1") = "9"
    & skf18("2","2","8","6","10","4","1") = "9"
    & skf18("2","2","8","6","10","5","1") = "9"
    & skf18("2","2","8","6","10","6","1") = "9"
    & skf18("2","2","8","6","10","7","1") = "9"
    & skf18("2","2","8","6","10","8","1") = "9"
    & skf18("2","2","8","6","10","9","1") = "9"
    & skf18("2","2","8","6","10","10","1") = "9"
    & skf18("2","2","8","7","1","1","1") = "7"
    & skf18("2","2","8","7","1","2","1") = "7"
    & skf18("2","2","8","7","1","3","1") = "7"
    & skf18("2","2","8","7","1","4","1") = "7"
    & skf18("2","2","8","7","1","5","1") = "7"
    & skf18("2","2","8","7","1","6","1") = "7"
    & skf18("2","2","8","7","1","7","1") = "7"
    & skf18("2","2","8","7","1","8","1") = "7"
    & skf18("2","2","8","7","1","9","1") = "8"
    & skf18("2","2","8","7","1","10","1") = "9"
    & skf18("2","2","8","7","2","1","1") = "7"
    & skf18("2","2","8","7","2","2","1") = "7"
    & skf18("2","2","8","7","2","3","1") = "7"
    & skf18("2","2","8","7","2","4","1") = "7"
    & skf18("2","2","8","7","2","5","1") = "7"
    & skf18("2","2","8","7","2","6","1") = "7"
    & skf18("2","2","8","7","2","7","1") = "7"
    & skf18("2","2","8","7","2","8","1") = "7"
    & skf18("2","2","8","7","2","9","1") = "8"
    & skf18("2","2","8","7","2","10","1") = "9"
    & skf18("2","2","8","7","3","1","1") = "7"
    & skf18("2","2","8","7","3","2","1") = "7"
    & skf18("2","2","8","7","3","3","1") = "7"
    & skf18("2","2","8","7","3","4","1") = "7"
    & skf18("2","2","8","7","3","5","1") = "7"
    & skf18("2","2","8","7","3","6","1") = "7"
    & skf18("2","2","8","7","3","7","1") = "7"
    & skf18("2","2","8","7","3","8","1") = "7"
    & skf18("2","2","8","7","3","9","1") = "8"
    & skf18("2","2","8","7","3","10","1") = "9"
    & skf18("2","2","8","7","4","1","1") = "7"
    & skf18("2","2","8","7","4","2","1") = "7"
    & skf18("2","2","8","7","4","3","1") = "7"
    & skf18("2","2","8","7","4","4","1") = "7"
    & skf18("2","2","8","7","4","5","1") = "7"
    & skf18("2","2","8","7","4","6","1") = "7"
    & skf18("2","2","8","7","4","7","1") = "7"
    & skf18("2","2","8","7","4","8","1") = "7"
    & skf18("2","2","8","7","4","9","1") = "8"
    & skf18("2","2","8","7","4","10","1") = "9"
    & skf18("2","2","8","7","5","1","1") = "7"
    & skf18("2","2","8","7","5","2","1") = "7"
    & skf18("2","2","8","7","5","3","1") = "7"
    & skf18("2","2","8","7","5","4","1") = "7"
    & skf18("2","2","8","7","5","5","1") = "7"
    & skf18("2","2","8","7","5","6","1") = "7"
    & skf18("2","2","8","7","5","7","1") = "7"
    & skf18("2","2","8","7","5","8","1") = "7"
    & skf18("2","2","8","7","5","9","1") = "8"
    & skf18("2","2","8","7","5","10","1") = "9"
    & skf18("2","2","8","7","6","1","1") = "7"
    & skf18("2","2","8","7","6","2","1") = "7"
    & skf18("2","2","8","7","6","3","1") = "7"
    & skf18("2","2","8","7","6","4","1") = "7"
    & skf18("2","2","8","7","6","5","1") = "7"
    & skf18("2","2","8","7","6","6","1") = "7"
    & skf18("2","2","8","7","6","7","1") = "7"
    & skf18("2","2","8","7","6","8","1") = "7"
    & skf18("2","2","8","7","6","9","1") = "8"
    & skf18("2","2","8","7","6","10","1") = "9"
    & skf18("2","2","8","7","7","1","1") = "7"
    & skf18("2","2","8","7","7","2","1") = "7"
    & skf18("2","2","8","7","7","3","1") = "7"
    & skf18("2","2","8","7","7","4","1") = "7"
    & skf18("2","2","8","7","7","5","1") = "7"
    & skf18("2","2","8","7","7","6","1") = "7"
    & skf18("2","2","8","7","7","7","1") = "7"
    & skf18("2","2","8","7","7","8","1") = "7"
    & skf18("2","2","8","7","7","9","1") = "8"
    & skf18("2","2","8","7","7","10","1") = "9"
    & skf18("2","2","8","7","8","1","1") = "7"
    & skf18("2","2","8","7","8","2","1") = "7"
    & skf18("2","2","8","7","8","3","1") = "7"
    & skf18("2","2","8","7","8","4","1") = "7"
    & skf18("2","2","8","7","8","5","1") = "7"
    & skf18("2","2","8","7","8","6","1") = "7"
    & skf18("2","2","8","7","8","7","1") = "7"
    & skf18("2","2","8","7","8","8","1") = "7"
    & skf18("2","2","8","7","8","9","1") = "8"
    & skf18("2","2","8","7","8","10","1") = "9"
    & skf18("2","2","8","7","9","1","1") = "8"
    & skf18("2","2","8","7","9","2","1") = "8"
    & skf18("2","2","8","7","9","3","1") = "8"
    & skf18("2","2","8","7","9","4","1") = "8"
    & skf18("2","2","8","7","9","5","1") = "8"
    & skf18("2","2","8","7","9","6","1") = "8"
    & skf18("2","2","8","7","9","7","1") = "8"
    & skf18("2","2","8","7","9","8","1") = "8"
    & skf18("2","2","8","7","9","9","1") = "8"
    & skf18("2","2","8","7","9","10","1") = "9"
    & skf18("2","2","8","7","10","1","1") = "9"
    & skf18("2","2","8","7","10","2","1") = "9"
    & skf18("2","2","8","7","10","3","1") = "9"
    & skf18("2","2","8","7","10","4","1") = "9"
    & skf18("2","2","8","7","10","5","1") = "9"
    & skf18("2","2","8","7","10","6","1") = "9"
    & skf18("2","2","8","7","10","7","1") = "9"
    & skf18("2","2","8","7","10","8","1") = "9"
    & skf18("2","2","8","7","10","9","1") = "9"
    & skf18("2","2","8","7","10","10","1") = "9"
    & skf18("2","2","8","8","1","1","1") = "7"
    & skf18("2","2","8","8","1","2","1") = "7"
    & skf18("2","2","8","8","1","3","1") = "7"
    & skf18("2","2","8","8","1","4","1") = "7"
    & skf18("2","2","8","8","1","5","1") = "7"
    & skf18("2","2","8","8","1","6","1") = "7"
    & skf18("2","2","8","8","1","7","1") = "7"
    & skf18("2","2","8","8","1","8","1") = "7"
    & skf18("2","2","8","8","1","9","1") = "8"
    & skf18("2","2","8","8","1","10","1") = "9"
    & skf18("2","2","8","8","2","1","1") = "7"
    & skf18("2","2","8","8","2","2","1") = "7"
    & skf18("2","2","8","8","2","3","1") = "7"
    & skf18("2","2","8","8","2","4","1") = "7"
    & skf18("2","2","8","8","2","5","1") = "7"
    & skf18("2","2","8","8","2","6","1") = "7"
    & skf18("2","2","8","8","2","7","1") = "7"
    & skf18("2","2","8","8","2","8","1") = "7"
    & skf18("2","2","8","8","2","9","1") = "8"
    & skf18("2","2","8","8","2","10","1") = "9"
    & skf18("2","2","8","8","3","1","1") = "7"
    & skf18("2","2","8","8","3","2","1") = "7"
    & skf18("2","2","8","8","3","3","1") = "7"
    & skf18("2","2","8","8","3","4","1") = "7"
    & skf18("2","2","8","8","3","5","1") = "7"
    & skf18("2","2","8","8","3","6","1") = "7"
    & skf18("2","2","8","8","3","7","1") = "7"
    & skf18("2","2","8","8","3","8","1") = "7"
    & skf18("2","2","8","8","3","9","1") = "8"
    & skf18("2","2","8","8","3","10","1") = "9"
    & skf18("2","2","8","8","4","1","1") = "7"
    & skf18("2","2","8","8","4","2","1") = "7"
    & skf18("2","2","8","8","4","3","1") = "7"
    & skf18("2","2","8","8","4","4","1") = "7"
    & skf18("2","2","8","8","4","5","1") = "7"
    & skf18("2","2","8","8","4","6","1") = "7"
    & skf18("2","2","8","8","4","7","1") = "7"
    & skf18("2","2","8","8","4","8","1") = "7"
    & skf18("2","2","8","8","4","9","1") = "8"
    & skf18("2","2","8","8","4","10","1") = "9"
    & skf18("2","2","8","8","5","1","1") = "7"
    & skf18("2","2","8","8","5","2","1") = "7"
    & skf18("2","2","8","8","5","3","1") = "7"
    & skf18("2","2","8","8","5","4","1") = "7"
    & skf18("2","2","8","8","5","5","1") = "7"
    & skf18("2","2","8","8","5","6","1") = "7"
    & skf18("2","2","8","8","5","7","1") = "7"
    & skf18("2","2","8","8","5","8","1") = "7"
    & skf18("2","2","8","8","5","9","1") = "8"
    & skf18("2","2","8","8","5","10","1") = "9"
    & skf18("2","2","8","8","6","1","1") = "7"
    & skf18("2","2","8","8","6","2","1") = "7"
    & skf18("2","2","8","8","6","3","1") = "7"
    & skf18("2","2","8","8","6","4","1") = "7"
    & skf18("2","2","8","8","6","5","1") = "7"
    & skf18("2","2","8","8","6","6","1") = "7"
    & skf18("2","2","8","8","6","7","1") = "7"
    & skf18("2","2","8","8","6","8","1") = "7"
    & skf18("2","2","8","8","6","9","1") = "8"
    & skf18("2","2","8","8","6","10","1") = "9"
    & skf18("2","2","8","8","7","1","1") = "7"
    & skf18("2","2","8","8","7","2","1") = "7"
    & skf18("2","2","8","8","7","3","1") = "7"
    & skf18("2","2","8","8","7","4","1") = "7"
    & skf18("2","2","8","8","7","5","1") = "7"
    & skf18("2","2","8","8","7","6","1") = "7"
    & skf18("2","2","8","8","7","7","1") = "7"
    & skf18("2","2","8","8","7","8","1") = "7"
    & skf18("2","2","8","8","7","9","1") = "8"
    & skf18("2","2","8","8","7","10","1") = "9"
    & skf18("2","2","8","8","8","1","1") = "7"
    & skf18("2","2","8","8","8","2","1") = "7"
    & skf18("2","2","8","8","8","3","1") = "7"
    & skf18("2","2","8","8","8","4","1") = "7"
    & skf18("2","2","8","8","8","5","1") = "7"
    & skf18("2","2","8","8","8","6","1") = "7"
    & skf18("2","2","8","8","8","7","1") = "7"
    & skf18("2","2","8","8","8","8","1") = "7"
    & skf18("2","2","8","8","8","9","1") = "8"
    & skf18("2","2","8","8","8","10","1") = "9"
    & skf18("2","2","8","8","9","1","1") = "8"
    & skf18("2","2","8","8","9","2","1") = "8"
    & skf18("2","2","8","8","9","3","1") = "8"
    & skf18("2","2","8","8","9","4","1") = "8"
    & skf18("2","2","8","8","9","5","1") = "8"
    & skf18("2","2","8","8","9","6","1") = "8"
    & skf18("2","2","8","8","9","7","1") = "8"
    & skf18("2","2","8","8","9","8","1") = "8"
    & skf18("2","2","8","8","9","9","1") = "8"
    & skf18("2","2","8","8","9","10","1") = "9"
    & skf18("2","2","8","8","10","1","1") = "9"
    & skf18("2","2","8","8","10","2","1") = "9"
    & skf18("2","2","8","8","10","3","1") = "9"
    & skf18("2","2","8","8","10","4","1") = "9"
    & skf18("2","2","8","8","10","5","1") = "9"
    & skf18("2","2","8","8","10","6","1") = "9"
    & skf18("2","2","8","8","10","7","1") = "9"
    & skf18("2","2","8","8","10","8","1") = "9"
    & skf18("2","2","8","8","10","9","1") = "9"
    & skf18("2","2","8","8","10","10","1") = "9"
    & skf18("2","2","8","9","1","1","1") = "8"
    & skf18("2","2","8","9","1","2","1") = "8"
    & skf18("2","2","8","9","1","3","1") = "8"
    & skf18("2","2","8","9","1","4","1") = "8"
    & skf18("2","2","8","9","1","5","1") = "8"
    & skf18("2","2","8","9","1","6","1") = "8"
    & skf18("2","2","8","9","1","7","1") = "8"
    & skf18("2","2","8","9","1","8","1") = "8"
    & skf18("2","2","8","9","1","9","1") = "8"
    & skf18("2","2","8","9","1","10","1") = "9"
    & skf18("2","2","8","9","2","1","1") = "8"
    & skf18("2","2","8","9","2","2","1") = "8"
    & skf18("2","2","8","9","2","3","1") = "8"
    & skf18("2","2","8","9","2","4","1") = "8"
    & skf18("2","2","8","9","2","5","1") = "8"
    & skf18("2","2","8","9","2","6","1") = "8"
    & skf18("2","2","8","9","2","7","1") = "8"
    & skf18("2","2","8","9","2","8","1") = "8"
    & skf18("2","2","8","9","2","9","1") = "8"
    & skf18("2","2","8","9","2","10","1") = "9"
    & skf18("2","2","8","9","3","1","1") = "8"
    & skf18("2","2","8","9","3","2","1") = "8"
    & skf18("2","2","8","9","3","3","1") = "8"
    & skf18("2","2","8","9","3","4","1") = "8"
    & skf18("2","2","8","9","3","5","1") = "8"
    & skf18("2","2","8","9","3","6","1") = "8"
    & skf18("2","2","8","9","3","7","1") = "8"
    & skf18("2","2","8","9","3","8","1") = "8"
    & skf18("2","2","8","9","3","9","1") = "8"
    & skf18("2","2","8","9","3","10","1") = "9"
    & skf18("2","2","8","9","4","1","1") = "8"
    & skf18("2","2","8","9","4","2","1") = "8"
    & skf18("2","2","8","9","4","3","1") = "8"
    & skf18("2","2","8","9","4","4","1") = "8"
    & skf18("2","2","8","9","4","5","1") = "8"
    & skf18("2","2","8","9","4","6","1") = "8"
    & skf18("2","2","8","9","4","7","1") = "8"
    & skf18("2","2","8","9","4","8","1") = "8"
    & skf18("2","2","8","9","4","9","1") = "8"
    & skf18("2","2","8","9","4","10","1") = "9"
    & skf18("2","2","8","9","5","1","1") = "8"
    & skf18("2","2","8","9","5","2","1") = "8"
    & skf18("2","2","8","9","5","3","1") = "8"
    & skf18("2","2","8","9","5","4","1") = "8"
    & skf18("2","2","8","9","5","5","1") = "8"
    & skf18("2","2","8","9","5","6","1") = "8"
    & skf18("2","2","8","9","5","7","1") = "8"
    & skf18("2","2","8","9","5","8","1") = "8"
    & skf18("2","2","8","9","5","9","1") = "8"
    & skf18("2","2","8","9","5","10","1") = "9"
    & skf18("2","2","8","9","6","1","1") = "8"
    & skf18("2","2","8","9","6","2","1") = "8"
    & skf18("2","2","8","9","6","3","1") = "8"
    & skf18("2","2","8","9","6","4","1") = "8"
    & skf18("2","2","8","9","6","5","1") = "8"
    & skf18("2","2","8","9","6","6","1") = "8"
    & skf18("2","2","8","9","6","7","1") = "8"
    & skf18("2","2","8","9","6","8","1") = "8"
    & skf18("2","2","8","9","6","9","1") = "8"
    & skf18("2","2","8","9","6","10","1") = "9"
    & skf18("2","2","8","9","7","1","1") = "8"
    & skf18("2","2","8","9","7","2","1") = "8"
    & skf18("2","2","8","9","7","3","1") = "8"
    & skf18("2","2","8","9","7","4","1") = "8"
    & skf18("2","2","8","9","7","5","1") = "8"
    & skf18("2","2","8","9","7","6","1") = "8"
    & skf18("2","2","8","9","7","7","1") = "8"
    & skf18("2","2","8","9","7","8","1") = "8"
    & skf18("2","2","8","9","7","9","1") = "8"
    & skf18("2","2","8","9","7","10","1") = "9"
    & skf18("2","2","8","9","8","1","1") = "8"
    & skf18("2","2","8","9","8","2","1") = "8"
    & skf18("2","2","8","9","8","3","1") = "8"
    & skf18("2","2","8","9","8","4","1") = "8"
    & skf18("2","2","8","9","8","5","1") = "8"
    & skf18("2","2","8","9","8","6","1") = "8"
    & skf18("2","2","8","9","8","7","1") = "8"
    & skf18("2","2","8","9","8","8","1") = "8"
    & skf18("2","2","8","9","8","9","1") = "8"
    & skf18("2","2","8","9","8","10","1") = "9"
    & skf18("2","2","8","9","9","1","1") = "8"
    & skf18("2","2","8","9","9","2","1") = "8"
    & skf18("2","2","8","9","9","3","1") = "8"
    & skf18("2","2","8","9","9","4","1") = "8"
    & skf18("2","2","8","9","9","5","1") = "8"
    & skf18("2","2","8","9","9","6","1") = "8"
    & skf18("2","2","8","9","9","7","1") = "8"
    & skf18("2","2","8","9","9","8","1") = "8"
    & skf18("2","2","8","9","9","9","1") = "8"
    & skf18("2","2","8","9","9","10","1") = "9"
    & skf18("2","2","8","9","10","1","1") = "9"
    & skf18("2","2","8","9","10","2","1") = "9"
    & skf18("2","2","8","9","10","3","1") = "9"
    & skf18("2","2","8","9","10","4","1") = "9"
    & skf18("2","2","8","9","10","5","1") = "9"
    & skf18("2","2","8","9","10","6","1") = "9"
    & skf18("2","2","8","9","10","7","1") = "9"
    & skf18("2","2","8","9","10","8","1") = "9"
    & skf18("2","2","8","9","10","9","1") = "9"
    & skf18("2","2","8","9","10","10","1") = "9"
    & skf18("2","2","8","10","1","1","1") = "9"
    & skf18("2","2","8","10","1","2","1") = "9"
    & skf18("2","2","8","10","1","3","1") = "9"
    & skf18("2","2","8","10","1","4","1") = "9"
    & skf18("2","2","8","10","1","5","1") = "9"
    & skf18("2","2","8","10","1","6","1") = "9"
    & skf18("2","2","8","10","1","7","1") = "9"
    & skf18("2","2","8","10","1","8","1") = "9"
    & skf18("2","2","8","10","1","9","1") = "9"
    & skf18("2","2","8","10","1","10","1") = "9"
    & skf18("2","2","8","10","2","1","1") = "9"
    & skf18("2","2","8","10","2","2","1") = "9"
    & skf18("2","2","8","10","2","3","1") = "9"
    & skf18("2","2","8","10","2","4","1") = "9"
    & skf18("2","2","8","10","2","5","1") = "9"
    & skf18("2","2","8","10","2","6","1") = "9"
    & skf18("2","2","8","10","2","7","1") = "9"
    & skf18("2","2","8","10","2","8","1") = "9"
    & skf18("2","2","8","10","2","9","1") = "9"
    & skf18("2","2","8","10","2","10","1") = "9"
    & skf18("2","2","8","10","3","1","1") = "9"
    & skf18("2","2","8","10","3","2","1") = "9"
    & skf18("2","2","8","10","3","3","1") = "9"
    & skf18("2","2","8","10","3","4","1") = "9"
    & skf18("2","2","8","10","3","5","1") = "9"
    & skf18("2","2","8","10","3","6","1") = "9"
    & skf18("2","2","8","10","3","7","1") = "9"
    & skf18("2","2","8","10","3","8","1") = "9"
    & skf18("2","2","8","10","3","9","1") = "9"
    & skf18("2","2","8","10","3","10","1") = "9"
    & skf18("2","2","8","10","4","1","1") = "9"
    & skf18("2","2","8","10","4","2","1") = "9"
    & skf18("2","2","8","10","4","3","1") = "9"
    & skf18("2","2","8","10","4","4","1") = "9"
    & skf18("2","2","8","10","4","5","1") = "9"
    & skf18("2","2","8","10","4","6","1") = "9"
    & skf18("2","2","8","10","4","7","1") = "9"
    & skf18("2","2","8","10","4","8","1") = "9"
    & skf18("2","2","8","10","4","9","1") = "9"
    & skf18("2","2","8","10","4","10","1") = "9"
    & skf18("2","2","8","10","5","1","1") = "9"
    & skf18("2","2","8","10","5","2","1") = "9"
    & skf18("2","2","8","10","5","3","1") = "9"
    & skf18("2","2","8","10","5","4","1") = "9"
    & skf18("2","2","8","10","5","5","1") = "9"
    & skf18("2","2","8","10","5","6","1") = "9"
    & skf18("2","2","8","10","5","7","1") = "9"
    & skf18("2","2","8","10","5","8","1") = "9"
    & skf18("2","2","8","10","5","9","1") = "9"
    & skf18("2","2","8","10","5","10","1") = "9"
    & skf18("2","2","8","10","6","1","1") = "9"
    & skf18("2","2","8","10","6","2","1") = "9"
    & skf18("2","2","8","10","6","3","1") = "9"
    & skf18("2","2","8","10","6","4","1") = "9"
    & skf18("2","2","8","10","6","5","1") = "9"
    & skf18("2","2","8","10","6","6","1") = "9"
    & skf18("2","2","8","10","6","7","1") = "9"
    & skf18("2","2","8","10","6","8","1") = "9"
    & skf18("2","2","8","10","6","9","1") = "9"
    & skf18("2","2","8","10","6","10","1") = "9"
    & skf18("2","2","8","10","7","1","1") = "9"
    & skf18("2","2","8","10","7","2","1") = "9"
    & skf18("2","2","8","10","7","3","1") = "9"
    & skf18("2","2","8","10","7","4","1") = "9"
    & skf18("2","2","8","10","7","5","1") = "9"
    & skf18("2","2","8","10","7","6","1") = "9"
    & skf18("2","2","8","10","7","7","1") = "9"
    & skf18("2","2","8","10","7","8","1") = "9"
    & skf18("2","2","8","10","7","9","1") = "9"
    & skf18("2","2","8","10","7","10","1") = "9"
    & skf18("2","2","8","10","8","1","1") = "9"
    & skf18("2","2","8","10","8","2","1") = "9"
    & skf18("2","2","8","10","8","3","1") = "9"
    & skf18("2","2","8","10","8","4","1") = "9"
    & skf18("2","2","8","10","8","5","1") = "9"
    & skf18("2","2","8","10","8","6","1") = "9"
    & skf18("2","2","8","10","8","7","1") = "9"
    & skf18("2","2","8","10","8","8","1") = "9"
    & skf18("2","2","8","10","8","9","1") = "9"
    & skf18("2","2","8","10","8","10","1") = "9"
    & skf18("2","2","8","10","9","1","1") = "9"
    & skf18("2","2","8","10","9","2","1") = "9"
    & skf18("2","2","8","10","9","3","1") = "9"
    & skf18("2","2","8","10","9","4","1") = "9"
    & skf18("2","2","8","10","9","5","1") = "9"
    & skf18("2","2","8","10","9","6","1") = "9"
    & skf18("2","2","8","10","9","7","1") = "9"
    & skf18("2","2","8","10","9","8","1") = "9"
    & skf18("2","2","8","10","9","9","1") = "9"
    & skf18("2","2","8","10","9","10","1") = "9"
    & skf18("2","2","8","10","10","1","1") = "9"
    & skf18("2","2","8","10","10","2","1") = "9"
    & skf18("2","2","8","10","10","3","1") = "9"
    & skf18("2","2","8","10","10","4","1") = "9"
    & skf18("2","2","8","10","10","5","1") = "9"
    & skf18("2","2","8","10","10","6","1") = "9"
    & skf18("2","2","8","10","10","7","1") = "9"
    & skf18("2","2","8","10","10","8","1") = "9"
    & skf18("2","2","8","10","10","9","1") = "9"
    & skf18("2","2","8","10","10","10","1") = "9"
    & skf18("2","2","9","1","1","1","1") = "8"
    & skf18("2","2","9","1","1","2","1") = "8"
    & skf18("2","2","9","1","1","3","1") = "8"
    & skf18("2","2","9","1","1","4","1") = "8"
    & skf18("2","2","9","1","1","5","1") = "8"
    & skf18("2","2","9","1","1","6","1") = "8"
    & skf18("2","2","9","1","1","7","1") = "8"
    & skf18("2","2","9","1","1","8","1") = "8"
    & skf18("2","2","9","1","1","9","1") = "8"
    & skf18("2","2","9","1","1","10","1") = "9"
    & skf18("2","2","9","1","2","1","1") = "8"
    & skf18("2","2","9","1","2","2","1") = "8"
    & skf18("2","2","9","1","2","3","1") = "8"
    & skf18("2","2","9","1","2","4","1") = "8"
    & skf18("2","2","9","1","2","5","1") = "8"
    & skf18("2","2","9","1","2","6","1") = "8"
    & skf18("2","2","9","1","2","7","1") = "8"
    & skf18("2","2","9","1","2","8","1") = "8"
    & skf18("2","2","9","1","2","9","1") = "8"
    & skf18("2","2","9","1","2","10","1") = "9"
    & skf18("2","2","9","1","3","1","1") = "8"
    & skf18("2","2","9","1","3","2","1") = "8"
    & skf18("2","2","9","1","3","3","1") = "8"
    & skf18("2","2","9","1","3","4","1") = "8"
    & skf18("2","2","9","1","3","5","1") = "8"
    & skf18("2","2","9","1","3","6","1") = "8"
    & skf18("2","2","9","1","3","7","1") = "8"
    & skf18("2","2","9","1","3","8","1") = "8"
    & skf18("2","2","9","1","3","9","1") = "8"
    & skf18("2","2","9","1","3","10","1") = "9"
    & skf18("2","2","9","1","4","1","1") = "8"
    & skf18("2","2","9","1","4","2","1") = "8"
    & skf18("2","2","9","1","4","3","1") = "8"
    & skf18("2","2","9","1","4","4","1") = "8"
    & skf18("2","2","9","1","4","5","1") = "8"
    & skf18("2","2","9","1","4","6","1") = "8"
    & skf18("2","2","9","1","4","7","1") = "8"
    & skf18("2","2","9","1","4","8","1") = "8"
    & skf18("2","2","9","1","4","9","1") = "8"
    & skf18("2","2","9","1","4","10","1") = "9"
    & skf18("2","2","9","1","5","1","1") = "8"
    & skf18("2","2","9","1","5","2","1") = "8"
    & skf18("2","2","9","1","5","3","1") = "8"
    & skf18("2","2","9","1","5","4","1") = "8"
    & skf18("2","2","9","1","5","5","1") = "8"
    & skf18("2","2","9","1","5","6","1") = "8"
    & skf18("2","2","9","1","5","7","1") = "8"
    & skf18("2","2","9","1","5","8","1") = "8"
    & skf18("2","2","9","1","5","9","1") = "8"
    & skf18("2","2","9","1","5","10","1") = "9"
    & skf18("2","2","9","1","6","1","1") = "8"
    & skf18("2","2","9","1","6","2","1") = "8"
    & skf18("2","2","9","1","6","3","1") = "8"
    & skf18("2","2","9","1","6","4","1") = "8"
    & skf18("2","2","9","1","6","5","1") = "8"
    & skf18("2","2","9","1","6","6","1") = "8"
    & skf18("2","2","9","1","6","7","1") = "8"
    & skf18("2","2","9","1","6","8","1") = "8"
    & skf18("2","2","9","1","6","9","1") = "8"
    & skf18("2","2","9","1","6","10","1") = "9"
    & skf18("2","2","9","1","7","1","1") = "8"
    & skf18("2","2","9","1","7","2","1") = "8"
    & skf18("2","2","9","1","7","3","1") = "8"
    & skf18("2","2","9","1","7","4","1") = "8"
    & skf18("2","2","9","1","7","5","1") = "8"
    & skf18("2","2","9","1","7","6","1") = "8"
    & skf18("2","2","9","1","7","7","1") = "8"
    & skf18("2","2","9","1","7","8","1") = "8"
    & skf18("2","2","9","1","7","9","1") = "8"
    & skf18("2","2","9","1","7","10","1") = "9"
    & skf18("2","2","9","1","8","1","1") = "8"
    & skf18("2","2","9","1","8","2","1") = "8"
    & skf18("2","2","9","1","8","3","1") = "8"
    & skf18("2","2","9","1","8","4","1") = "8"
    & skf18("2","2","9","1","8","5","1") = "8"
    & skf18("2","2","9","1","8","6","1") = "8"
    & skf18("2","2","9","1","8","7","1") = "8"
    & skf18("2","2","9","1","8","8","1") = "8"
    & skf18("2","2","9","1","8","9","1") = "8"
    & skf18("2","2","9","1","8","10","1") = "9"
    & skf18("2","2","9","1","9","1","1") = "8"
    & skf18("2","2","9","1","9","2","1") = "8"
    & skf18("2","2","9","1","9","3","1") = "8"
    & skf18("2","2","9","1","9","4","1") = "8"
    & skf18("2","2","9","1","9","5","1") = "8"
    & skf18("2","2","9","1","9","6","1") = "8"
    & skf18("2","2","9","1","9","7","1") = "8"
    & skf18("2","2","9","1","9","8","1") = "8"
    & skf18("2","2","9","1","9","9","1") = "8"
    & skf18("2","2","9","1","9","10","1") = "9"
    & skf18("2","2","9","1","10","1","1") = "9"
    & skf18("2","2","9","1","10","2","1") = "9"
    & skf18("2","2","9","1","10","3","1") = "9"
    & skf18("2","2","9","1","10","4","1") = "9"
    & skf18("2","2","9","1","10","5","1") = "9"
    & skf18("2","2","9","1","10","6","1") = "9"
    & skf18("2","2","9","1","10","7","1") = "9"
    & skf18("2","2","9","1","10","8","1") = "9"
    & skf18("2","2","9","1","10","9","1") = "9"
    & skf18("2","2","9","1","10","10","1") = "9"
    & skf18("2","2","9","2","1","1","1") = "8"
    & skf18("2","2","9","2","1","2","1") = "8"
    & skf18("2","2","9","2","1","3","1") = "8"
    & skf18("2","2","9","2","1","4","1") = "8"
    & skf18("2","2","9","2","1","5","1") = "8"
    & skf18("2","2","9","2","1","6","1") = "8"
    & skf18("2","2","9","2","1","7","1") = "8"
    & skf18("2","2","9","2","1","8","1") = "8"
    & skf18("2","2","9","2","1","9","1") = "8"
    & skf18("2","2","9","2","1","10","1") = "9"
    & skf18("2","2","9","2","2","1","1") = "8"
    & skf18("2","2","9","2","2","2","1") = "8"
    & skf18("2","2","9","2","2","3","1") = "8"
    & skf18("2","2","9","2","2","4","1") = "8"
    & skf18("2","2","9","2","2","5","1") = "8"
    & skf18("2","2","9","2","2","6","1") = "8"
    & skf18("2","2","9","2","2","7","1") = "8"
    & skf18("2","2","9","2","2","8","1") = "8"
    & skf18("2","2","9","2","2","9","1") = "8"
    & skf18("2","2","9","2","2","10","1") = "9"
    & skf18("2","2","9","2","3","1","1") = "8"
    & skf18("2","2","9","2","3","2","1") = "8"
    & skf18("2","2","9","2","3","3","1") = "8"
    & skf18("2","2","9","2","3","4","1") = "8"
    & skf18("2","2","9","2","3","5","1") = "8"
    & skf18("2","2","9","2","3","6","1") = "8"
    & skf18("2","2","9","2","3","7","1") = "8"
    & skf18("2","2","9","2","3","8","1") = "8"
    & skf18("2","2","9","2","3","9","1") = "8"
    & skf18("2","2","9","2","3","10","1") = "9"
    & skf18("2","2","9","2","4","1","1") = "8"
    & skf18("2","2","9","2","4","2","1") = "8"
    & skf18("2","2","9","2","4","3","1") = "8"
    & skf18("2","2","9","2","4","4","1") = "8"
    & skf18("2","2","9","2","4","5","1") = "8"
    & skf18("2","2","9","2","4","6","1") = "8"
    & skf18("2","2","9","2","4","7","1") = "8"
    & skf18("2","2","9","2","4","8","1") = "8"
    & skf18("2","2","9","2","4","9","1") = "8"
    & skf18("2","2","9","2","4","10","1") = "9"
    & skf18("2","2","9","2","5","1","1") = "8"
    & skf18("2","2","9","2","5","2","1") = "8"
    & skf18("2","2","9","2","5","3","1") = "8"
    & skf18("2","2","9","2","5","4","1") = "8"
    & skf18("2","2","9","2","5","5","1") = "8"
    & skf18("2","2","9","2","5","6","1") = "8"
    & skf18("2","2","9","2","5","7","1") = "8"
    & skf18("2","2","9","2","5","8","1") = "8"
    & skf18("2","2","9","2","5","9","1") = "8"
    & skf18("2","2","9","2","5","10","1") = "9"
    & skf18("2","2","9","2","6","1","1") = "8"
    & skf18("2","2","9","2","6","2","1") = "8"
    & skf18("2","2","9","2","6","3","1") = "8"
    & skf18("2","2","9","2","6","4","1") = "8"
    & skf18("2","2","9","2","6","5","1") = "8"
    & skf18("2","2","9","2","6","6","1") = "8"
    & skf18("2","2","9","2","6","7","1") = "8"
    & skf18("2","2","9","2","6","8","1") = "8"
    & skf18("2","2","9","2","6","9","1") = "8"
    & skf18("2","2","9","2","6","10","1") = "9"
    & skf18("2","2","9","2","7","1","1") = "8"
    & skf18("2","2","9","2","7","2","1") = "8"
    & skf18("2","2","9","2","7","3","1") = "8"
    & skf18("2","2","9","2","7","4","1") = "8"
    & skf18("2","2","9","2","7","5","1") = "8"
    & skf18("2","2","9","2","7","6","1") = "8"
    & skf18("2","2","9","2","7","7","1") = "8"
    & skf18("2","2","9","2","7","8","1") = "8"
    & skf18("2","2","9","2","7","9","1") = "8"
    & skf18("2","2","9","2","7","10","1") = "9"
    & skf18("2","2","9","2","8","1","1") = "8"
    & skf18("2","2","9","2","8","2","1") = "8"
    & skf18("2","2","9","2","8","3","1") = "8"
    & skf18("2","2","9","2","8","4","1") = "8"
    & skf18("2","2","9","2","8","5","1") = "8"
    & skf18("2","2","9","2","8","6","1") = "8"
    & skf18("2","2","9","2","8","7","1") = "8"
    & skf18("2","2","9","2","8","8","1") = "8"
    & skf18("2","2","9","2","8","9","1") = "8"
    & skf18("2","2","9","2","8","10","1") = "9"
    & skf18("2","2","9","2","9","1","1") = "8"
    & skf18("2","2","9","2","9","2","1") = "8"
    & skf18("2","2","9","2","9","3","1") = "8"
    & skf18("2","2","9","2","9","4","1") = "8"
    & skf18("2","2","9","2","9","5","1") = "8"
    & skf18("2","2","9","2","9","6","1") = "8"
    & skf18("2","2","9","2","9","7","1") = "8"
    & skf18("2","2","9","2","9","8","1") = "8"
    & skf18("2","2","9","2","9","9","1") = "8"
    & skf18("2","2","9","2","9","10","1") = "9"
    & skf18("2","2","9","2","10","1","1") = "9"
    & skf18("2","2","9","2","10","2","1") = "9"
    & skf18("2","2","9","2","10","3","1") = "9"
    & skf18("2","2","9","2","10","4","1") = "9"
    & skf18("2","2","9","2","10","5","1") = "9"
    & skf18("2","2","9","2","10","6","1") = "9"
    & skf18("2","2","9","2","10","7","1") = "9"
    & skf18("2","2","9","2","10","8","1") = "9"
    & skf18("2","2","9","2","10","9","1") = "9"
    & skf18("2","2","9","2","10","10","1") = "9"
    & skf18("2","2","9","3","1","1","1") = "8"
    & skf18("2","2","9","3","1","2","1") = "8"
    & skf18("2","2","9","3","1","3","1") = "8"
    & skf18("2","2","9","3","1","4","1") = "8"
    & skf18("2","2","9","3","1","5","1") = "8"
    & skf18("2","2","9","3","1","6","1") = "8"
    & skf18("2","2","9","3","1","7","1") = "8"
    & skf18("2","2","9","3","1","8","1") = "8"
    & skf18("2","2","9","3","1","9","1") = "8"
    & skf18("2","2","9","3","1","10","1") = "9"
    & skf18("2","2","9","3","2","1","1") = "8"
    & skf18("2","2","9","3","2","2","1") = "8"
    & skf18("2","2","9","3","2","3","1") = "8"
    & skf18("2","2","9","3","2","4","1") = "8"
    & skf18("2","2","9","3","2","5","1") = "8"
    & skf18("2","2","9","3","2","6","1") = "8"
    & skf18("2","2","9","3","2","7","1") = "8"
    & skf18("2","2","9","3","2","8","1") = "8"
    & skf18("2","2","9","3","2","9","1") = "8"
    & skf18("2","2","9","3","2","10","1") = "9"
    & skf18("2","2","9","3","3","1","1") = "8"
    & skf18("2","2","9","3","3","2","1") = "8"
    & skf18("2","2","9","3","3","3","1") = "8"
    & skf18("2","2","9","3","3","4","1") = "8"
    & skf18("2","2","9","3","3","5","1") = "8"
    & skf18("2","2","9","3","3","6","1") = "8"
    & skf18("2","2","9","3","3","7","1") = "8"
    & skf18("2","2","9","3","3","8","1") = "8"
    & skf18("2","2","9","3","3","9","1") = "8"
    & skf18("2","2","9","3","3","10","1") = "9"
    & skf18("2","2","9","3","4","1","1") = "8"
    & skf18("2","2","9","3","4","2","1") = "8"
    & skf18("2","2","9","3","4","3","1") = "8"
    & skf18("2","2","9","3","4","4","1") = "8"
    & skf18("2","2","9","3","4","5","1") = "8"
    & skf18("2","2","9","3","4","6","1") = "8"
    & skf18("2","2","9","3","4","7","1") = "8"
    & skf18("2","2","9","3","4","8","1") = "8"
    & skf18("2","2","9","3","4","9","1") = "8"
    & skf18("2","2","9","3","4","10","1") = "9"
    & skf18("2","2","9","3","5","1","1") = "8"
    & skf18("2","2","9","3","5","2","1") = "8"
    & skf18("2","2","9","3","5","3","1") = "8"
    & skf18("2","2","9","3","5","4","1") = "8"
    & skf18("2","2","9","3","5","5","1") = "8"
    & skf18("2","2","9","3","5","6","1") = "8"
    & skf18("2","2","9","3","5","7","1") = "8"
    & skf18("2","2","9","3","5","8","1") = "8"
    & skf18("2","2","9","3","5","9","1") = "8"
    & skf18("2","2","9","3","5","10","1") = "9"
    & skf18("2","2","9","3","6","1","1") = "8"
    & skf18("2","2","9","3","6","2","1") = "8"
    & skf18("2","2","9","3","6","3","1") = "8"
    & skf18("2","2","9","3","6","4","1") = "8"
    & skf18("2","2","9","3","6","5","1") = "8"
    & skf18("2","2","9","3","6","6","1") = "8"
    & skf18("2","2","9","3","6","7","1") = "8"
    & skf18("2","2","9","3","6","8","1") = "8"
    & skf18("2","2","9","3","6","9","1") = "8"
    & skf18("2","2","9","3","6","10","1") = "9"
    & skf18("2","2","9","3","7","1","1") = "8"
    & skf18("2","2","9","3","7","2","1") = "8"
    & skf18("2","2","9","3","7","3","1") = "8"
    & skf18("2","2","9","3","7","4","1") = "8"
    & skf18("2","2","9","3","7","5","1") = "8"
    & skf18("2","2","9","3","7","6","1") = "8"
    & skf18("2","2","9","3","7","7","1") = "8"
    & skf18("2","2","9","3","7","8","1") = "8"
    & skf18("2","2","9","3","7","9","1") = "8"
    & skf18("2","2","9","3","7","10","1") = "9"
    & skf18("2","2","9","3","8","1","1") = "8"
    & skf18("2","2","9","3","8","2","1") = "8"
    & skf18("2","2","9","3","8","3","1") = "8"
    & skf18("2","2","9","3","8","4","1") = "8"
    & skf18("2","2","9","3","8","5","1") = "8"
    & skf18("2","2","9","3","8","6","1") = "8"
    & skf18("2","2","9","3","8","7","1") = "8"
    & skf18("2","2","9","3","8","8","1") = "8"
    & skf18("2","2","9","3","8","9","1") = "8"
    & skf18("2","2","9","3","8","10","1") = "9"
    & skf18("2","2","9","3","9","1","1") = "8"
    & skf18("2","2","9","3","9","2","1") = "8"
    & skf18("2","2","9","3","9","3","1") = "8"
    & skf18("2","2","9","3","9","4","1") = "8"
    & skf18("2","2","9","3","9","5","1") = "8"
    & skf18("2","2","9","3","9","6","1") = "8"
    & skf18("2","2","9","3","9","7","1") = "8"
    & skf18("2","2","9","3","9","8","1") = "8"
    & skf18("2","2","9","3","9","9","1") = "8"
    & skf18("2","2","9","3","9","10","1") = "9"
    & skf18("2","2","9","3","10","1","1") = "9"
    & skf18("2","2","9","3","10","2","1") = "9"
    & skf18("2","2","9","3","10","3","1") = "9"
    & skf18("2","2","9","3","10","4","1") = "9"
    & skf18("2","2","9","3","10","5","1") = "9"
    & skf18("2","2","9","3","10","6","1") = "9"
    & skf18("2","2","9","3","10","7","1") = "9"
    & skf18("2","2","9","3","10","8","1") = "9"
    & skf18("2","2","9","3","10","9","1") = "9"
    & skf18("2","2","9","3","10","10","1") = "9"
    & skf18("2","2","9","4","1","1","1") = "8"
    & skf18("2","2","9","4","1","2","1") = "8"
    & skf18("2","2","9","4","1","3","1") = "8"
    & skf18("2","2","9","4","1","4","1") = "8"
    & skf18("2","2","9","4","1","5","1") = "8"
    & skf18("2","2","9","4","1","6","1") = "8"
    & skf18("2","2","9","4","1","7","1") = "8"
    & skf18("2","2","9","4","1","8","1") = "8"
    & skf18("2","2","9","4","1","9","1") = "8"
    & skf18("2","2","9","4","1","10","1") = "9"
    & skf18("2","2","9","4","2","1","1") = "8"
    & skf18("2","2","9","4","2","2","1") = "8"
    & skf18("2","2","9","4","2","3","1") = "8"
    & skf18("2","2","9","4","2","4","1") = "8"
    & skf18("2","2","9","4","2","5","1") = "8"
    & skf18("2","2","9","4","2","6","1") = "8"
    & skf18("2","2","9","4","2","7","1") = "8"
    & skf18("2","2","9","4","2","8","1") = "8"
    & skf18("2","2","9","4","2","9","1") = "8"
    & skf18("2","2","9","4","2","10","1") = "9"
    & skf18("2","2","9","4","3","1","1") = "8"
    & skf18("2","2","9","4","3","2","1") = "8"
    & skf18("2","2","9","4","3","3","1") = "8"
    & skf18("2","2","9","4","3","4","1") = "8"
    & skf18("2","2","9","4","3","5","1") = "8"
    & skf18("2","2","9","4","3","6","1") = "8"
    & skf18("2","2","9","4","3","7","1") = "8"
    & skf18("2","2","9","4","3","8","1") = "8"
    & skf18("2","2","9","4","3","9","1") = "8"
    & skf18("2","2","9","4","3","10","1") = "9"
    & skf18("2","2","9","4","4","1","1") = "8"
    & skf18("2","2","9","4","4","2","1") = "8"
    & skf18("2","2","9","4","4","3","1") = "8"
    & skf18("2","2","9","4","4","4","1") = "8"
    & skf18("2","2","9","4","4","5","1") = "8"
    & skf18("2","2","9","4","4","6","1") = "8"
    & skf18("2","2","9","4","4","7","1") = "8"
    & skf18("2","2","9","4","4","8","1") = "8"
    & skf18("2","2","9","4","4","9","1") = "8"
    & skf18("2","2","9","4","4","10","1") = "9"
    & skf18("2","2","9","4","5","1","1") = "8"
    & skf18("2","2","9","4","5","2","1") = "8"
    & skf18("2","2","9","4","5","3","1") = "8"
    & skf18("2","2","9","4","5","4","1") = "8"
    & skf18("2","2","9","4","5","5","1") = "8"
    & skf18("2","2","9","4","5","6","1") = "8"
    & skf18("2","2","9","4","5","7","1") = "8"
    & skf18("2","2","9","4","5","8","1") = "8"
    & skf18("2","2","9","4","5","9","1") = "8"
    & skf18("2","2","9","4","5","10","1") = "9"
    & skf18("2","2","9","4","6","1","1") = "8"
    & skf18("2","2","9","4","6","2","1") = "8"
    & skf18("2","2","9","4","6","3","1") = "8"
    & skf18("2","2","9","4","6","4","1") = "8"
    & skf18("2","2","9","4","6","5","1") = "8"
    & skf18("2","2","9","4","6","6","1") = "8"
    & skf18("2","2","9","4","6","7","1") = "8"
    & skf18("2","2","9","4","6","8","1") = "8"
    & skf18("2","2","9","4","6","9","1") = "8"
    & skf18("2","2","9","4","6","10","1") = "9"
    & skf18("2","2","9","4","7","1","1") = "8"
    & skf18("2","2","9","4","7","2","1") = "8"
    & skf18("2","2","9","4","7","3","1") = "8"
    & skf18("2","2","9","4","7","4","1") = "8"
    & skf18("2","2","9","4","7","5","1") = "8"
    & skf18("2","2","9","4","7","6","1") = "8"
    & skf18("2","2","9","4","7","7","1") = "8"
    & skf18("2","2","9","4","7","8","1") = "8"
    & skf18("2","2","9","4","7","9","1") = "8"
    & skf18("2","2","9","4","7","10","1") = "9"
    & skf18("2","2","9","4","8","1","1") = "8"
    & skf18("2","2","9","4","8","2","1") = "8"
    & skf18("2","2","9","4","8","3","1") = "8"
    & skf18("2","2","9","4","8","4","1") = "8"
    & skf18("2","2","9","4","8","5","1") = "8"
    & skf18("2","2","9","4","8","6","1") = "8"
    & skf18("2","2","9","4","8","7","1") = "8"
    & skf18("2","2","9","4","8","8","1") = "8"
    & skf18("2","2","9","4","8","9","1") = "8"
    & skf18("2","2","9","4","8","10","1") = "9"
    & skf18("2","2","9","4","9","1","1") = "8"
    & skf18("2","2","9","4","9","2","1") = "8"
    & skf18("2","2","9","4","9","3","1") = "8"
    & skf18("2","2","9","4","9","4","1") = "8"
    & skf18("2","2","9","4","9","5","1") = "8"
    & skf18("2","2","9","4","9","6","1") = "8"
    & skf18("2","2","9","4","9","7","1") = "8"
    & skf18("2","2","9","4","9","8","1") = "8"
    & skf18("2","2","9","4","9","9","1") = "8"
    & skf18("2","2","9","4","9","10","1") = "9"
    & skf18("2","2","9","4","10","1","1") = "9"
    & skf18("2","2","9","4","10","2","1") = "9"
    & skf18("2","2","9","4","10","3","1") = "9"
    & skf18("2","2","9","4","10","4","1") = "9"
    & skf18("2","2","9","4","10","5","1") = "9"
    & skf18("2","2","9","4","10","6","1") = "9"
    & skf18("2","2","9","4","10","7","1") = "9"
    & skf18("2","2","9","4","10","8","1") = "9"
    & skf18("2","2","9","4","10","9","1") = "9"
    & skf18("2","2","9","4","10","10","1") = "9"
    & skf18("2","2","9","5","1","1","1") = "8"
    & skf18("2","2","9","5","1","2","1") = "8"
    & skf18("2","2","9","5","1","3","1") = "8"
    & skf18("2","2","9","5","1","4","1") = "8"
    & skf18("2","2","9","5","1","5","1") = "8"
    & skf18("2","2","9","5","1","6","1") = "8"
    & skf18("2","2","9","5","1","7","1") = "8"
    & skf18("2","2","9","5","1","8","1") = "8"
    & skf18("2","2","9","5","1","9","1") = "8"
    & skf18("2","2","9","5","1","10","1") = "9"
    & skf18("2","2","9","5","2","1","1") = "8"
    & skf18("2","2","9","5","2","2","1") = "8"
    & skf18("2","2","9","5","2","3","1") = "8"
    & skf18("2","2","9","5","2","4","1") = "8"
    & skf18("2","2","9","5","2","5","1") = "8"
    & skf18("2","2","9","5","2","6","1") = "8"
    & skf18("2","2","9","5","2","7","1") = "8"
    & skf18("2","2","9","5","2","8","1") = "8"
    & skf18("2","2","9","5","2","9","1") = "8"
    & skf18("2","2","9","5","2","10","1") = "9"
    & skf18("2","2","9","5","3","1","1") = "8"
    & skf18("2","2","9","5","3","2","1") = "8"
    & skf18("2","2","9","5","3","3","1") = "8"
    & skf18("2","2","9","5","3","4","1") = "8"
    & skf18("2","2","9","5","3","5","1") = "8"
    & skf18("2","2","9","5","3","6","1") = "8"
    & skf18("2","2","9","5","3","7","1") = "8"
    & skf18("2","2","9","5","3","8","1") = "8"
    & skf18("2","2","9","5","3","9","1") = "8"
    & skf18("2","2","9","5","3","10","1") = "9"
    & skf18("2","2","9","5","4","1","1") = "8"
    & skf18("2","2","9","5","4","2","1") = "8"
    & skf18("2","2","9","5","4","3","1") = "8"
    & skf18("2","2","9","5","4","4","1") = "8"
    & skf18("2","2","9","5","4","5","1") = "8"
    & skf18("2","2","9","5","4","6","1") = "8"
    & skf18("2","2","9","5","4","7","1") = "8"
    & skf18("2","2","9","5","4","8","1") = "8"
    & skf18("2","2","9","5","4","9","1") = "8"
    & skf18("2","2","9","5","4","10","1") = "9"
    & skf18("2","2","9","5","5","1","1") = "8"
    & skf18("2","2","9","5","5","2","1") = "8"
    & skf18("2","2","9","5","5","3","1") = "8"
    & skf18("2","2","9","5","5","4","1") = "8"
    & skf18("2","2","9","5","5","5","1") = "8"
    & skf18("2","2","9","5","5","6","1") = "8"
    & skf18("2","2","9","5","5","7","1") = "8"
    & skf18("2","2","9","5","5","8","1") = "8"
    & skf18("2","2","9","5","5","9","1") = "8"
    & skf18("2","2","9","5","5","10","1") = "9"
    & skf18("2","2","9","5","6","1","1") = "8"
    & skf18("2","2","9","5","6","2","1") = "8"
    & skf18("2","2","9","5","6","3","1") = "8"
    & skf18("2","2","9","5","6","4","1") = "8"
    & skf18("2","2","9","5","6","5","1") = "8"
    & skf18("2","2","9","5","6","6","1") = "8"
    & skf18("2","2","9","5","6","7","1") = "8"
    & skf18("2","2","9","5","6","8","1") = "8"
    & skf18("2","2","9","5","6","9","1") = "8"
    & skf18("2","2","9","5","6","10","1") = "9"
    & skf18("2","2","9","5","7","1","1") = "8"
    & skf18("2","2","9","5","7","2","1") = "8"
    & skf18("2","2","9","5","7","3","1") = "8"
    & skf18("2","2","9","5","7","4","1") = "8"
    & skf18("2","2","9","5","7","5","1") = "8"
    & skf18("2","2","9","5","7","6","1") = "8"
    & skf18("2","2","9","5","7","7","1") = "8"
    & skf18("2","2","9","5","7","8","1") = "8"
    & skf18("2","2","9","5","7","9","1") = "8"
    & skf18("2","2","9","5","7","10","1") = "9"
    & skf18("2","2","9","5","8","1","1") = "8"
    & skf18("2","2","9","5","8","2","1") = "8"
    & skf18("2","2","9","5","8","3","1") = "8"
    & skf18("2","2","9","5","8","4","1") = "8"
    & skf18("2","2","9","5","8","5","1") = "8"
    & skf18("2","2","9","5","8","6","1") = "8"
    & skf18("2","2","9","5","8","7","1") = "8"
    & skf18("2","2","9","5","8","8","1") = "8"
    & skf18("2","2","9","5","8","9","1") = "8"
    & skf18("2","2","9","5","8","10","1") = "9"
    & skf18("2","2","9","5","9","1","1") = "8"
    & skf18("2","2","9","5","9","2","1") = "8"
    & skf18("2","2","9","5","9","3","1") = "8"
    & skf18("2","2","9","5","9","4","1") = "8"
    & skf18("2","2","9","5","9","5","1") = "8"
    & skf18("2","2","9","5","9","6","1") = "8"
    & skf18("2","2","9","5","9","7","1") = "8"
    & skf18("2","2","9","5","9","8","1") = "8"
    & skf18("2","2","9","5","9","9","1") = "8"
    & skf18("2","2","9","5","9","10","1") = "9"
    & skf18("2","2","9","5","10","1","1") = "9"
    & skf18("2","2","9","5","10","2","1") = "9"
    & skf18("2","2","9","5","10","3","1") = "9"
    & skf18("2","2","9","5","10","4","1") = "9"
    & skf18("2","2","9","5","10","5","1") = "9"
    & skf18("2","2","9","5","10","6","1") = "9"
    & skf18("2","2","9","5","10","7","1") = "9"
    & skf18("2","2","9","5","10","8","1") = "9"
    & skf18("2","2","9","5","10","9","1") = "9"
    & skf18("2","2","9","5","10","10","1") = "9"
    & skf18("2","2","9","6","1","1","1") = "8"
    & skf18("2","2","9","6","1","2","1") = "8"
    & skf18("2","2","9","6","1","3","1") = "8"
    & skf18("2","2","9","6","1","4","1") = "8"
    & skf18("2","2","9","6","1","5","1") = "8"
    & skf18("2","2","9","6","1","6","1") = "8"
    & skf18("2","2","9","6","1","7","1") = "8"
    & skf18("2","2","9","6","1","8","1") = "8"
    & skf18("2","2","9","6","1","9","1") = "8"
    & skf18("2","2","9","6","1","10","1") = "9"
    & skf18("2","2","9","6","2","1","1") = "8"
    & skf18("2","2","9","6","2","2","1") = "8"
    & skf18("2","2","9","6","2","3","1") = "8"
    & skf18("2","2","9","6","2","4","1") = "8"
    & skf18("2","2","9","6","2","5","1") = "8"
    & skf18("2","2","9","6","2","6","1") = "8"
    & skf18("2","2","9","6","2","7","1") = "8"
    & skf18("2","2","9","6","2","8","1") = "8"
    & skf18("2","2","9","6","2","9","1") = "8"
    & skf18("2","2","9","6","2","10","1") = "9"
    & skf18("2","2","9","6","3","1","1") = "8"
    & skf18("2","2","9","6","3","2","1") = "8"
    & skf18("2","2","9","6","3","3","1") = "8"
    & skf18("2","2","9","6","3","4","1") = "8"
    & skf18("2","2","9","6","3","5","1") = "8"
    & skf18("2","2","9","6","3","6","1") = "8"
    & skf18("2","2","9","6","3","7","1") = "8"
    & skf18("2","2","9","6","3","8","1") = "8"
    & skf18("2","2","9","6","3","9","1") = "8"
    & skf18("2","2","9","6","3","10","1") = "9"
    & skf18("2","2","9","6","4","1","1") = "8"
    & skf18("2","2","9","6","4","2","1") = "8"
    & skf18("2","2","9","6","4","3","1") = "8"
    & skf18("2","2","9","6","4","4","1") = "8"
    & skf18("2","2","9","6","4","5","1") = "8"
    & skf18("2","2","9","6","4","6","1") = "8"
    & skf18("2","2","9","6","4","7","1") = "8"
    & skf18("2","2","9","6","4","8","1") = "8"
    & skf18("2","2","9","6","4","9","1") = "8"
    & skf18("2","2","9","6","4","10","1") = "9"
    & skf18("2","2","9","6","5","1","1") = "8"
    & skf18("2","2","9","6","5","2","1") = "8"
    & skf18("2","2","9","6","5","3","1") = "8"
    & skf18("2","2","9","6","5","4","1") = "8"
    & skf18("2","2","9","6","5","5","1") = "8"
    & skf18("2","2","9","6","5","6","1") = "8"
    & skf18("2","2","9","6","5","7","1") = "8"
    & skf18("2","2","9","6","5","8","1") = "8"
    & skf18("2","2","9","6","5","9","1") = "8"
    & skf18("2","2","9","6","5","10","1") = "9"
    & skf18("2","2","9","6","6","1","1") = "8"
    & skf18("2","2","9","6","6","2","1") = "8"
    & skf18("2","2","9","6","6","3","1") = "8"
    & skf18("2","2","9","6","6","4","1") = "8"
    & skf18("2","2","9","6","6","5","1") = "8"
    & skf18("2","2","9","6","6","6","1") = "8"
    & skf18("2","2","9","6","6","7","1") = "8"
    & skf18("2","2","9","6","6","8","1") = "8"
    & skf18("2","2","9","6","6","9","1") = "8"
    & skf18("2","2","9","6","6","10","1") = "9"
    & skf18("2","2","9","6","7","1","1") = "8"
    & skf18("2","2","9","6","7","2","1") = "8"
    & skf18("2","2","9","6","7","3","1") = "8"
    & skf18("2","2","9","6","7","4","1") = "8"
    & skf18("2","2","9","6","7","5","1") = "8"
    & skf18("2","2","9","6","7","6","1") = "8"
    & skf18("2","2","9","6","7","7","1") = "8"
    & skf18("2","2","9","6","7","8","1") = "8"
    & skf18("2","2","9","6","7","9","1") = "8"
    & skf18("2","2","9","6","7","10","1") = "9"
    & skf18("2","2","9","6","8","1","1") = "8"
    & skf18("2","2","9","6","8","2","1") = "8"
    & skf18("2","2","9","6","8","3","1") = "8"
    & skf18("2","2","9","6","8","4","1") = "8"
    & skf18("2","2","9","6","8","5","1") = "8"
    & skf18("2","2","9","6","8","6","1") = "8"
    & skf18("2","2","9","6","8","7","1") = "8"
    & skf18("2","2","9","6","8","8","1") = "8"
    & skf18("2","2","9","6","8","9","1") = "8"
    & skf18("2","2","9","6","8","10","1") = "9"
    & skf18("2","2","9","6","9","1","1") = "8"
    & skf18("2","2","9","6","9","2","1") = "8"
    & skf18("2","2","9","6","9","3","1") = "8"
    & skf18("2","2","9","6","9","4","1") = "8"
    & skf18("2","2","9","6","9","5","1") = "8"
    & skf18("2","2","9","6","9","6","1") = "8"
    & skf18("2","2","9","6","9","7","1") = "8"
    & skf18("2","2","9","6","9","8","1") = "8"
    & skf18("2","2","9","6","9","9","1") = "8"
    & skf18("2","2","9","6","9","10","1") = "9"
    & skf18("2","2","9","6","10","1","1") = "9"
    & skf18("2","2","9","6","10","2","1") = "9"
    & skf18("2","2","9","6","10","3","1") = "9"
    & skf18("2","2","9","6","10","4","1") = "9"
    & skf18("2","2","9","6","10","5","1") = "9"
    & skf18("2","2","9","6","10","6","1") = "9"
    & skf18("2","2","9","6","10","7","1") = "9"
    & skf18("2","2","9","6","10","8","1") = "9"
    & skf18("2","2","9","6","10","9","1") = "9"
    & skf18("2","2","9","6","10","10","1") = "9"
    & skf18("2","2","9","7","1","1","1") = "8"
    & skf18("2","2","9","7","1","2","1") = "8"
    & skf18("2","2","9","7","1","3","1") = "8"
    & skf18("2","2","9","7","1","4","1") = "8"
    & skf18("2","2","9","7","1","5","1") = "8"
    & skf18("2","2","9","7","1","6","1") = "8"
    & skf18("2","2","9","7","1","7","1") = "8"
    & skf18("2","2","9","7","1","8","1") = "8"
    & skf18("2","2","9","7","1","9","1") = "8"
    & skf18("2","2","9","7","1","10","1") = "9"
    & skf18("2","2","9","7","2","1","1") = "8"
    & skf18("2","2","9","7","2","2","1") = "8"
    & skf18("2","2","9","7","2","3","1") = "8"
    & skf18("2","2","9","7","2","4","1") = "8"
    & skf18("2","2","9","7","2","5","1") = "8"
    & skf18("2","2","9","7","2","6","1") = "8"
    & skf18("2","2","9","7","2","7","1") = "8"
    & skf18("2","2","9","7","2","8","1") = "8"
    & skf18("2","2","9","7","2","9","1") = "8"
    & skf18("2","2","9","7","2","10","1") = "9"
    & skf18("2","2","9","7","3","1","1") = "8"
    & skf18("2","2","9","7","3","2","1") = "8"
    & skf18("2","2","9","7","3","3","1") = "8"
    & skf18("2","2","9","7","3","4","1") = "8"
    & skf18("2","2","9","7","3","5","1") = "8"
    & skf18("2","2","9","7","3","6","1") = "8"
    & skf18("2","2","9","7","3","7","1") = "8"
    & skf18("2","2","9","7","3","8","1") = "8"
    & skf18("2","2","9","7","3","9","1") = "8"
    & skf18("2","2","9","7","3","10","1") = "9"
    & skf18("2","2","9","7","4","1","1") = "8"
    & skf18("2","2","9","7","4","2","1") = "8"
    & skf18("2","2","9","7","4","3","1") = "8"
    & skf18("2","2","9","7","4","4","1") = "8"
    & skf18("2","2","9","7","4","5","1") = "8"
    & skf18("2","2","9","7","4","6","1") = "8"
    & skf18("2","2","9","7","4","7","1") = "8"
    & skf18("2","2","9","7","4","8","1") = "8"
    & skf18("2","2","9","7","4","9","1") = "8"
    & skf18("2","2","9","7","4","10","1") = "9"
    & skf18("2","2","9","7","5","1","1") = "8"
    & skf18("2","2","9","7","5","2","1") = "8"
    & skf18("2","2","9","7","5","3","1") = "8"
    & skf18("2","2","9","7","5","4","1") = "8"
    & skf18("2","2","9","7","5","5","1") = "8"
    & skf18("2","2","9","7","5","6","1") = "8"
    & skf18("2","2","9","7","5","7","1") = "8"
    & skf18("2","2","9","7","5","8","1") = "8"
    & skf18("2","2","9","7","5","9","1") = "8"
    & skf18("2","2","9","7","5","10","1") = "9"
    & skf18("2","2","9","7","6","1","1") = "8"
    & skf18("2","2","9","7","6","2","1") = "8"
    & skf18("2","2","9","7","6","3","1") = "8"
    & skf18("2","2","9","7","6","4","1") = "8"
    & skf18("2","2","9","7","6","5","1") = "8"
    & skf18("2","2","9","7","6","6","1") = "8"
    & skf18("2","2","9","7","6","7","1") = "8"
    & skf18("2","2","9","7","6","8","1") = "8"
    & skf18("2","2","9","7","6","9","1") = "8"
    & skf18("2","2","9","7","6","10","1") = "9"
    & skf18("2","2","9","7","7","1","1") = "8"
    & skf18("2","2","9","7","7","2","1") = "8"
    & skf18("2","2","9","7","7","3","1") = "8"
    & skf18("2","2","9","7","7","4","1") = "8"
    & skf18("2","2","9","7","7","5","1") = "8"
    & skf18("2","2","9","7","7","6","1") = "8"
    & skf18("2","2","9","7","7","7","1") = "8"
    & skf18("2","2","9","7","7","8","1") = "8"
    & skf18("2","2","9","7","7","9","1") = "8"
    & skf18("2","2","9","7","7","10","1") = "9"
    & skf18("2","2","9","7","8","1","1") = "8"
    & skf18("2","2","9","7","8","2","1") = "8"
    & skf18("2","2","9","7","8","3","1") = "8"
    & skf18("2","2","9","7","8","4","1") = "8"
    & skf18("2","2","9","7","8","5","1") = "8"
    & skf18("2","2","9","7","8","6","1") = "8"
    & skf18("2","2","9","7","8","7","1") = "8"
    & skf18("2","2","9","7","8","8","1") = "8"
    & skf18("2","2","9","7","8","9","1") = "8"
    & skf18("2","2","9","7","8","10","1") = "9"
    & skf18("2","2","9","7","9","1","1") = "8"
    & skf18("2","2","9","7","9","2","1") = "8"
    & skf18("2","2","9","7","9","3","1") = "8"
    & skf18("2","2","9","7","9","4","1") = "8"
    & skf18("2","2","9","7","9","5","1") = "8"
    & skf18("2","2","9","7","9","6","1") = "8"
    & skf18("2","2","9","7","9","7","1") = "8"
    & skf18("2","2","9","7","9","8","1") = "8"
    & skf18("2","2","9","7","9","9","1") = "8"
    & skf18("2","2","9","7","9","10","1") = "9"
    & skf18("2","2","9","7","10","1","1") = "9"
    & skf18("2","2","9","7","10","2","1") = "9"
    & skf18("2","2","9","7","10","3","1") = "9"
    & skf18("2","2","9","7","10","4","1") = "9"
    & skf18("2","2","9","7","10","5","1") = "9"
    & skf18("2","2","9","7","10","6","1") = "9"
    & skf18("2","2","9","7","10","7","1") = "9"
    & skf18("2","2","9","7","10","8","1") = "9"
    & skf18("2","2","9","7","10","9","1") = "9"
    & skf18("2","2","9","7","10","10","1") = "9"
    & skf18("2","2","9","8","1","1","1") = "8"
    & skf18("2","2","9","8","1","2","1") = "8"
    & skf18("2","2","9","8","1","3","1") = "8"
    & skf18("2","2","9","8","1","4","1") = "8"
    & skf18("2","2","9","8","1","5","1") = "8"
    & skf18("2","2","9","8","1","6","1") = "8"
    & skf18("2","2","9","8","1","7","1") = "8"
    & skf18("2","2","9","8","1","8","1") = "8"
    & skf18("2","2","9","8","1","9","1") = "8"
    & skf18("2","2","9","8","1","10","1") = "9"
    & skf18("2","2","9","8","2","1","1") = "8"
    & skf18("2","2","9","8","2","2","1") = "8"
    & skf18("2","2","9","8","2","3","1") = "8"
    & skf18("2","2","9","8","2","4","1") = "8"
    & skf18("2","2","9","8","2","5","1") = "8"
    & skf18("2","2","9","8","2","6","1") = "8"
    & skf18("2","2","9","8","2","7","1") = "8"
    & skf18("2","2","9","8","2","8","1") = "8"
    & skf18("2","2","9","8","2","9","1") = "8"
    & skf18("2","2","9","8","2","10","1") = "9"
    & skf18("2","2","9","8","3","1","1") = "8"
    & skf18("2","2","9","8","3","2","1") = "8"
    & skf18("2","2","9","8","3","3","1") = "8"
    & skf18("2","2","9","8","3","4","1") = "8"
    & skf18("2","2","9","8","3","5","1") = "8"
    & skf18("2","2","9","8","3","6","1") = "8"
    & skf18("2","2","9","8","3","7","1") = "8"
    & skf18("2","2","9","8","3","8","1") = "8"
    & skf18("2","2","9","8","3","9","1") = "8"
    & skf18("2","2","9","8","3","10","1") = "9"
    & skf18("2","2","9","8","4","1","1") = "8"
    & skf18("2","2","9","8","4","2","1") = "8"
    & skf18("2","2","9","8","4","3","1") = "8"
    & skf18("2","2","9","8","4","4","1") = "8"
    & skf18("2","2","9","8","4","5","1") = "8"
    & skf18("2","2","9","8","4","6","1") = "8"
    & skf18("2","2","9","8","4","7","1") = "8"
    & skf18("2","2","9","8","4","8","1") = "8"
    & skf18("2","2","9","8","4","9","1") = "8"
    & skf18("2","2","9","8","4","10","1") = "9"
    & skf18("2","2","9","8","5","1","1") = "8"
    & skf18("2","2","9","8","5","2","1") = "8"
    & skf18("2","2","9","8","5","3","1") = "8"
    & skf18("2","2","9","8","5","4","1") = "8"
    & skf18("2","2","9","8","5","5","1") = "8"
    & skf18("2","2","9","8","5","6","1") = "8"
    & skf18("2","2","9","8","5","7","1") = "8"
    & skf18("2","2","9","8","5","8","1") = "8"
    & skf18("2","2","9","8","5","9","1") = "8"
    & skf18("2","2","9","8","5","10","1") = "9"
    & skf18("2","2","9","8","6","1","1") = "8"
    & skf18("2","2","9","8","6","2","1") = "8"
    & skf18("2","2","9","8","6","3","1") = "8"
    & skf18("2","2","9","8","6","4","1") = "8"
    & skf18("2","2","9","8","6","5","1") = "8"
    & skf18("2","2","9","8","6","6","1") = "8"
    & skf18("2","2","9","8","6","7","1") = "8"
    & skf18("2","2","9","8","6","8","1") = "8"
    & skf18("2","2","9","8","6","9","1") = "8"
    & skf18("2","2","9","8","6","10","1") = "9"
    & skf18("2","2","9","8","7","1","1") = "8"
    & skf18("2","2","9","8","7","2","1") = "8"
    & skf18("2","2","9","8","7","3","1") = "8"
    & skf18("2","2","9","8","7","4","1") = "8"
    & skf18("2","2","9","8","7","5","1") = "8"
    & skf18("2","2","9","8","7","6","1") = "8"
    & skf18("2","2","9","8","7","7","1") = "8"
    & skf18("2","2","9","8","7","8","1") = "8"
    & skf18("2","2","9","8","7","9","1") = "8"
    & skf18("2","2","9","8","7","10","1") = "9"
    & skf18("2","2","9","8","8","1","1") = "8"
    & skf18("2","2","9","8","8","2","1") = "8"
    & skf18("2","2","9","8","8","3","1") = "8"
    & skf18("2","2","9","8","8","4","1") = "8"
    & skf18("2","2","9","8","8","5","1") = "8"
    & skf18("2","2","9","8","8","6","1") = "8"
    & skf18("2","2","9","8","8","7","1") = "8"
    & skf18("2","2","9","8","8","8","1") = "8"
    & skf18("2","2","9","8","8","9","1") = "8"
    & skf18("2","2","9","8","8","10","1") = "9"
    & skf18("2","2","9","8","9","1","1") = "8"
    & skf18("2","2","9","8","9","2","1") = "8"
    & skf18("2","2","9","8","9","3","1") = "8"
    & skf18("2","2","9","8","9","4","1") = "8"
    & skf18("2","2","9","8","9","5","1") = "8"
    & skf18("2","2","9","8","9","6","1") = "8"
    & skf18("2","2","9","8","9","7","1") = "8"
    & skf18("2","2","9","8","9","8","1") = "8"
    & skf18("2","2","9","8","9","9","1") = "8"
    & skf18("2","2","9","8","9","10","1") = "9"
    & skf18("2","2","9","8","10","1","1") = "9"
    & skf18("2","2","9","8","10","2","1") = "9"
    & skf18("2","2","9","8","10","3","1") = "9"
    & skf18("2","2","9","8","10","4","1") = "9"
    & skf18("2","2","9","8","10","5","1") = "9"
    & skf18("2","2","9","8","10","6","1") = "9"
    & skf18("2","2","9","8","10","7","1") = "9"
    & skf18("2","2","9","8","10","8","1") = "9"
    & skf18("2","2","9","8","10","9","1") = "9"
    & skf18("2","2","9","8","10","10","1") = "9"
    & skf18("2","2","9","9","1","1","1") = "8"
    & skf18("2","2","9","9","1","2","1") = "8"
    & skf18("2","2","9","9","1","3","1") = "8"
    & skf18("2","2","9","9","1","4","1") = "8"
    & skf18("2","2","9","9","1","5","1") = "8"
    & skf18("2","2","9","9","1","6","1") = "8"
    & skf18("2","2","9","9","1","7","1") = "8"
    & skf18("2","2","9","9","1","8","1") = "8"
    & skf18("2","2","9","9","1","9","1") = "8"
    & skf18("2","2","9","9","1","10","1") = "9"
    & skf18("2","2","9","9","2","1","1") = "8"
    & skf18("2","2","9","9","2","2","1") = "8"
    & skf18("2","2","9","9","2","3","1") = "8"
    & skf18("2","2","9","9","2","4","1") = "8"
    & skf18("2","2","9","9","2","5","1") = "8"
    & skf18("2","2","9","9","2","6","1") = "8"
    & skf18("2","2","9","9","2","7","1") = "8"
    & skf18("2","2","9","9","2","8","1") = "8"
    & skf18("2","2","9","9","2","9","1") = "8"
    & skf18("2","2","9","9","2","10","1") = "9"
    & skf18("2","2","9","9","3","1","1") = "8"
    & skf18("2","2","9","9","3","2","1") = "8"
    & skf18("2","2","9","9","3","3","1") = "8"
    & skf18("2","2","9","9","3","4","1") = "8"
    & skf18("2","2","9","9","3","5","1") = "8"
    & skf18("2","2","9","9","3","6","1") = "8"
    & skf18("2","2","9","9","3","7","1") = "8"
    & skf18("2","2","9","9","3","8","1") = "8"
    & skf18("2","2","9","9","3","9","1") = "8"
    & skf18("2","2","9","9","3","10","1") = "9"
    & skf18("2","2","9","9","4","1","1") = "8"
    & skf18("2","2","9","9","4","2","1") = "8"
    & skf18("2","2","9","9","4","3","1") = "8"
    & skf18("2","2","9","9","4","4","1") = "8"
    & skf18("2","2","9","9","4","5","1") = "8"
    & skf18("2","2","9","9","4","6","1") = "8"
    & skf18("2","2","9","9","4","7","1") = "8"
    & skf18("2","2","9","9","4","8","1") = "8"
    & skf18("2","2","9","9","4","9","1") = "8"
    & skf18("2","2","9","9","4","10","1") = "9"
    & skf18("2","2","9","9","5","1","1") = "8"
    & skf18("2","2","9","9","5","2","1") = "8"
    & skf18("2","2","9","9","5","3","1") = "8"
    & skf18("2","2","9","9","5","4","1") = "8"
    & skf18("2","2","9","9","5","5","1") = "8"
    & skf18("2","2","9","9","5","6","1") = "8"
    & skf18("2","2","9","9","5","7","1") = "8"
    & skf18("2","2","9","9","5","8","1") = "8"
    & skf18("2","2","9","9","5","9","1") = "8"
    & skf18("2","2","9","9","5","10","1") = "9"
    & skf18("2","2","9","9","6","1","1") = "8"
    & skf18("2","2","9","9","6","2","1") = "8"
    & skf18("2","2","9","9","6","3","1") = "8"
    & skf18("2","2","9","9","6","4","1") = "8"
    & skf18("2","2","9","9","6","5","1") = "8"
    & skf18("2","2","9","9","6","6","1") = "8"
    & skf18("2","2","9","9","6","7","1") = "8"
    & skf18("2","2","9","9","6","8","1") = "8"
    & skf18("2","2","9","9","6","9","1") = "8"
    & skf18("2","2","9","9","6","10","1") = "9"
    & skf18("2","2","9","9","7","1","1") = "8"
    & skf18("2","2","9","9","7","2","1") = "8"
    & skf18("2","2","9","9","7","3","1") = "8"
    & skf18("2","2","9","9","7","4","1") = "8"
    & skf18("2","2","9","9","7","5","1") = "8"
    & skf18("2","2","9","9","7","6","1") = "8"
    & skf18("2","2","9","9","7","7","1") = "8"
    & skf18("2","2","9","9","7","8","1") = "8"
    & skf18("2","2","9","9","7","9","1") = "8"
    & skf18("2","2","9","9","7","10","1") = "9"
    & skf18("2","2","9","9","8","1","1") = "8"
    & skf18("2","2","9","9","8","2","1") = "8"
    & skf18("2","2","9","9","8","3","1") = "8"
    & skf18("2","2","9","9","8","4","1") = "8"
    & skf18("2","2","9","9","8","5","1") = "8"
    & skf18("2","2","9","9","8","6","1") = "8"
    & skf18("2","2","9","9","8","7","1") = "8"
    & skf18("2","2","9","9","8","8","1") = "8"
    & skf18("2","2","9","9","8","9","1") = "8"
    & skf18("2","2","9","9","8","10","1") = "9"
    & skf18("2","2","9","9","9","1","1") = "8"
    & skf18("2","2","9","9","9","2","1") = "8"
    & skf18("2","2","9","9","9","3","1") = "8"
    & skf18("2","2","9","9","9","4","1") = "8"
    & skf18("2","2","9","9","9","5","1") = "8"
    & skf18("2","2","9","9","9","6","1") = "8"
    & skf18("2","2","9","9","9","7","1") = "8"
    & skf18("2","2","9","9","9","8","1") = "8"
    & skf18("2","2","9","9","9","9","1") = "8"
    & skf18("2","2","9","9","9","10","1") = "9"
    & skf18("2","2","9","9","10","1","1") = "9"
    & skf18("2","2","9","9","10","2","1") = "9"
    & skf18("2","2","9","9","10","3","1") = "9"
    & skf18("2","2","9","9","10","4","1") = "9"
    & skf18("2","2","9","9","10","5","1") = "9"
    & skf18("2","2","9","9","10","6","1") = "9"
    & skf18("2","2","9","9","10","7","1") = "9"
    & skf18("2","2","9","9","10","8","1") = "9"
    & skf18("2","2","9","9","10","9","1") = "9"
    & skf18("2","2","9","9","10","10","1") = "9"
    & skf18("2","2","9","10","1","1","1") = "9"
    & skf18("2","2","9","10","1","2","1") = "9"
    & skf18("2","2","9","10","1","3","1") = "9"
    & skf18("2","2","9","10","1","4","1") = "9"
    & skf18("2","2","9","10","1","5","1") = "9"
    & skf18("2","2","9","10","1","6","1") = "9"
    & skf18("2","2","9","10","1","7","1") = "9"
    & skf18("2","2","9","10","1","8","1") = "9"
    & skf18("2","2","9","10","1","9","1") = "9"
    & skf18("2","2","9","10","1","10","1") = "9"
    & skf18("2","2","9","10","2","1","1") = "9"
    & skf18("2","2","9","10","2","2","1") = "9"
    & skf18("2","2","9","10","2","3","1") = "9"
    & skf18("2","2","9","10","2","4","1") = "9"
    & skf18("2","2","9","10","2","5","1") = "9"
    & skf18("2","2","9","10","2","6","1") = "9"
    & skf18("2","2","9","10","2","7","1") = "9"
    & skf18("2","2","9","10","2","8","1") = "9"
    & skf18("2","2","9","10","2","9","1") = "9"
    & skf18("2","2","9","10","2","10","1") = "9"
    & skf18("2","2","9","10","3","1","1") = "9"
    & skf18("2","2","9","10","3","2","1") = "9"
    & skf18("2","2","9","10","3","3","1") = "9"
    & skf18("2","2","9","10","3","4","1") = "9"
    & skf18("2","2","9","10","3","5","1") = "9"
    & skf18("2","2","9","10","3","6","1") = "9"
    & skf18("2","2","9","10","3","7","1") = "9"
    & skf18("2","2","9","10","3","8","1") = "9"
    & skf18("2","2","9","10","3","9","1") = "9"
    & skf18("2","2","9","10","3","10","1") = "9"
    & skf18("2","2","9","10","4","1","1") = "9"
    & skf18("2","2","9","10","4","2","1") = "9"
    & skf18("2","2","9","10","4","3","1") = "9"
    & skf18("2","2","9","10","4","4","1") = "9"
    & skf18("2","2","9","10","4","5","1") = "9"
    & skf18("2","2","9","10","4","6","1") = "9"
    & skf18("2","2","9","10","4","7","1") = "9"
    & skf18("2","2","9","10","4","8","1") = "9"
    & skf18("2","2","9","10","4","9","1") = "9"
    & skf18("2","2","9","10","4","10","1") = "9"
    & skf18("2","2","9","10","5","1","1") = "9"
    & skf18("2","2","9","10","5","2","1") = "9"
    & skf18("2","2","9","10","5","3","1") = "9"
    & skf18("2","2","9","10","5","4","1") = "9"
    & skf18("2","2","9","10","5","5","1") = "9"
    & skf18("2","2","9","10","5","6","1") = "9"
    & skf18("2","2","9","10","5","7","1") = "9"
    & skf18("2","2","9","10","5","8","1") = "9"
    & skf18("2","2","9","10","5","9","1") = "9"
    & skf18("2","2","9","10","5","10","1") = "9"
    & skf18("2","2","9","10","6","1","1") = "9"
    & skf18("2","2","9","10","6","2","1") = "9"
    & skf18("2","2","9","10","6","3","1") = "9"
    & skf18("2","2","9","10","6","4","1") = "9"
    & skf18("2","2","9","10","6","5","1") = "9"
    & skf18("2","2","9","10","6","6","1") = "9"
    & skf18("2","2","9","10","6","7","1") = "9"
    & skf18("2","2","9","10","6","8","1") = "9"
    & skf18("2","2","9","10","6","9","1") = "9"
    & skf18("2","2","9","10","6","10","1") = "9"
    & skf18("2","2","9","10","7","1","1") = "9"
    & skf18("2","2","9","10","7","2","1") = "9"
    & skf18("2","2","9","10","7","3","1") = "9"
    & skf18("2","2","9","10","7","4","1") = "9"
    & skf18("2","2","9","10","7","5","1") = "9"
    & skf18("2","2","9","10","7","6","1") = "9"
    & skf18("2","2","9","10","7","7","1") = "9"
    & skf18("2","2","9","10","7","8","1") = "9"
    & skf18("2","2","9","10","7","9","1") = "9"
    & skf18("2","2","9","10","7","10","1") = "9"
    & skf18("2","2","9","10","8","1","1") = "9"
    & skf18("2","2","9","10","8","2","1") = "9"
    & skf18("2","2","9","10","8","3","1") = "9"
    & skf18("2","2","9","10","8","4","1") = "9"
    & skf18("2","2","9","10","8","5","1") = "9"
    & skf18("2","2","9","10","8","6","1") = "9"
    & skf18("2","2","9","10","8","7","1") = "9"
    & skf18("2","2","9","10","8","8","1") = "9"
    & skf18("2","2","9","10","8","9","1") = "9"
    & skf18("2","2","9","10","8","10","1") = "9"
    & skf18("2","2","9","10","9","1","1") = "9"
    & skf18("2","2","9","10","9","2","1") = "9"
    & skf18("2","2","9","10","9","3","1") = "9"
    & skf18("2","2","9","10","9","4","1") = "9"
    & skf18("2","2","9","10","9","5","1") = "9"
    & skf18("2","2","9","10","9","6","1") = "9"
    & skf18("2","2","9","10","9","7","1") = "9"
    & skf18("2","2","9","10","9","8","1") = "9"
    & skf18("2","2","9","10","9","9","1") = "9"
    & skf18("2","2","9","10","9","10","1") = "9"
    & skf18("2","2","9","10","10","1","1") = "9"
    & skf18("2","2","9","10","10","2","1") = "9"
    & skf18("2","2","9","10","10","3","1") = "9"
    & skf18("2","2","9","10","10","4","1") = "9"
    & skf18("2","2","9","10","10","5","1") = "9"
    & skf18("2","2","9","10","10","6","1") = "9"
    & skf18("2","2","9","10","10","7","1") = "9"
    & skf18("2","2","9","10","10","8","1") = "9"
    & skf18("2","2","9","10","10","9","1") = "9"
    & skf18("2","2","9","10","10","10","1") = "9"
    & skf18("2","2","10","1","1","1","1") = "9"
    & skf18("2","2","10","1","1","2","1") = "9"
    & skf18("2","2","10","1","1","3","1") = "9"
    & skf18("2","2","10","1","1","4","1") = "9"
    & skf18("2","2","10","1","1","5","1") = "9"
    & skf18("2","2","10","1","1","6","1") = "9"
    & skf18("2","2","10","1","1","7","1") = "9"
    & skf18("2","2","10","1","1","8","1") = "9"
    & skf18("2","2","10","1","1","9","1") = "9"
    & skf18("2","2","10","1","1","10","1") = "9"
    & skf18("2","2","10","1","2","1","1") = "9"
    & skf18("2","2","10","1","2","2","1") = "9"
    & skf18("2","2","10","1","2","3","1") = "9"
    & skf18("2","2","10","1","2","4","1") = "9"
    & skf18("2","2","10","1","2","5","1") = "9"
    & skf18("2","2","10","1","2","6","1") = "9"
    & skf18("2","2","10","1","2","7","1") = "9"
    & skf18("2","2","10","1","2","8","1") = "9"
    & skf18("2","2","10","1","2","9","1") = "9"
    & skf18("2","2","10","1","2","10","1") = "9"
    & skf18("2","2","10","1","3","1","1") = "9"
    & skf18("2","2","10","1","3","2","1") = "9"
    & skf18("2","2","10","1","3","3","1") = "9"
    & skf18("2","2","10","1","3","4","1") = "9"
    & skf18("2","2","10","1","3","5","1") = "9"
    & skf18("2","2","10","1","3","6","1") = "9"
    & skf18("2","2","10","1","3","7","1") = "9"
    & skf18("2","2","10","1","3","8","1") = "9"
    & skf18("2","2","10","1","3","9","1") = "9"
    & skf18("2","2","10","1","3","10","1") = "9"
    & skf18("2","2","10","1","4","1","1") = "9"
    & skf18("2","2","10","1","4","2","1") = "9"
    & skf18("2","2","10","1","4","3","1") = "9"
    & skf18("2","2","10","1","4","4","1") = "9"
    & skf18("2","2","10","1","4","5","1") = "9"
    & skf18("2","2","10","1","4","6","1") = "9"
    & skf18("2","2","10","1","4","7","1") = "9"
    & skf18("2","2","10","1","4","8","1") = "9"
    & skf18("2","2","10","1","4","9","1") = "9"
    & skf18("2","2","10","1","4","10","1") = "9"
    & skf18("2","2","10","1","5","1","1") = "9"
    & skf18("2","2","10","1","5","2","1") = "9"
    & skf18("2","2","10","1","5","3","1") = "9"
    & skf18("2","2","10","1","5","4","1") = "9"
    & skf18("2","2","10","1","5","5","1") = "9"
    & skf18("2","2","10","1","5","6","1") = "9"
    & skf18("2","2","10","1","5","7","1") = "9"
    & skf18("2","2","10","1","5","8","1") = "9"
    & skf18("2","2","10","1","5","9","1") = "9"
    & skf18("2","2","10","1","5","10","1") = "9"
    & skf18("2","2","10","1","6","1","1") = "9"
    & skf18("2","2","10","1","6","2","1") = "9"
    & skf18("2","2","10","1","6","3","1") = "9"
    & skf18("2","2","10","1","6","4","1") = "9"
    & skf18("2","2","10","1","6","5","1") = "9"
    & skf18("2","2","10","1","6","6","1") = "9"
    & skf18("2","2","10","1","6","7","1") = "9"
    & skf18("2","2","10","1","6","8","1") = "9"
    & skf18("2","2","10","1","6","9","1") = "9"
    & skf18("2","2","10","1","6","10","1") = "9"
    & skf18("2","2","10","1","7","1","1") = "9"
    & skf18("2","2","10","1","7","2","1") = "9"
    & skf18("2","2","10","1","7","3","1") = "9"
    & skf18("2","2","10","1","7","4","1") = "9"
    & skf18("2","2","10","1","7","5","1") = "9"
    & skf18("2","2","10","1","7","6","1") = "9"
    & skf18("2","2","10","1","7","7","1") = "9"
    & skf18("2","2","10","1","7","8","1") = "9"
    & skf18("2","2","10","1","7","9","1") = "9"
    & skf18("2","2","10","1","7","10","1") = "9"
    & skf18("2","2","10","1","8","1","1") = "9"
    & skf18("2","2","10","1","8","2","1") = "9"
    & skf18("2","2","10","1","8","3","1") = "9"
    & skf18("2","2","10","1","8","4","1") = "9"
    & skf18("2","2","10","1","8","5","1") = "9"
    & skf18("2","2","10","1","8","6","1") = "9"
    & skf18("2","2","10","1","8","7","1") = "9"
    & skf18("2","2","10","1","8","8","1") = "9"
    & skf18("2","2","10","1","8","9","1") = "9"
    & skf18("2","2","10","1","8","10","1") = "9"
    & skf18("2","2","10","1","9","1","1") = "9"
    & skf18("2","2","10","1","9","2","1") = "9"
    & skf18("2","2","10","1","9","3","1") = "9"
    & skf18("2","2","10","1","9","4","1") = "9"
    & skf18("2","2","10","1","9","5","1") = "9"
    & skf18("2","2","10","1","9","6","1") = "9"
    & skf18("2","2","10","1","9","7","1") = "9"
    & skf18("2","2","10","1","9","8","1") = "9"
    & skf18("2","2","10","1","9","9","1") = "9"
    & skf18("2","2","10","1","9","10","1") = "9"
    & skf18("2","2","10","1","10","1","1") = "9"
    & skf18("2","2","10","1","10","2","1") = "9"
    & skf18("2","2","10","1","10","3","1") = "9"
    & skf18("2","2","10","1","10","4","1") = "9"
    & skf18("2","2","10","1","10","5","1") = "9"
    & skf18("2","2","10","1","10","6","1") = "9"
    & skf18("2","2","10","1","10","7","1") = "9"
    & skf18("2","2","10","1","10","8","1") = "9"
    & skf18("2","2","10","1","10","9","1") = "9"
    & skf18("2","2","10","1","10","10","1") = "9"
    & skf18("2","2","10","2","1","1","1") = "9"
    & skf18("2","2","10","2","1","2","1") = "9"
    & skf18("2","2","10","2","1","3","1") = "9"
    & skf18("2","2","10","2","1","4","1") = "9"
    & skf18("2","2","10","2","1","5","1") = "9"
    & skf18("2","2","10","2","1","6","1") = "9"
    & skf18("2","2","10","2","1","7","1") = "9"
    & skf18("2","2","10","2","1","8","1") = "9"
    & skf18("2","2","10","2","1","9","1") = "9"
    & skf18("2","2","10","2","1","10","1") = "9"
    & skf18("2","2","10","2","2","1","1") = "9"
    & skf18("2","2","10","2","2","2","1") = "9"
    & skf18("2","2","10","2","2","3","1") = "9"
    & skf18("2","2","10","2","2","4","1") = "9"
    & skf18("2","2","10","2","2","5","1") = "9"
    & skf18("2","2","10","2","2","6","1") = "9"
    & skf18("2","2","10","2","2","7","1") = "9"
    & skf18("2","2","10","2","2","8","1") = "9"
    & skf18("2","2","10","2","2","9","1") = "9"
    & skf18("2","2","10","2","2","10","1") = "9"
    & skf18("2","2","10","2","3","1","1") = "9"
    & skf18("2","2","10","2","3","2","1") = "9"
    & skf18("2","2","10","2","3","3","1") = "9"
    & skf18("2","2","10","2","3","4","1") = "9"
    & skf18("2","2","10","2","3","5","1") = "9"
    & skf18("2","2","10","2","3","6","1") = "9"
    & skf18("2","2","10","2","3","7","1") = "9"
    & skf18("2","2","10","2","3","8","1") = "9"
    & skf18("2","2","10","2","3","9","1") = "9"
    & skf18("2","2","10","2","3","10","1") = "9"
    & skf18("2","2","10","2","4","1","1") = "9"
    & skf18("2","2","10","2","4","2","1") = "9"
    & skf18("2","2","10","2","4","3","1") = "9"
    & skf18("2","2","10","2","4","4","1") = "9"
    & skf18("2","2","10","2","4","5","1") = "9"
    & skf18("2","2","10","2","4","6","1") = "9"
    & skf18("2","2","10","2","4","7","1") = "9"
    & skf18("2","2","10","2","4","8","1") = "9"
    & skf18("2","2","10","2","4","9","1") = "9"
    & skf18("2","2","10","2","4","10","1") = "9"
    & skf18("2","2","10","2","5","1","1") = "9"
    & skf18("2","2","10","2","5","2","1") = "9"
    & skf18("2","2","10","2","5","3","1") = "9"
    & skf18("2","2","10","2","5","4","1") = "9"
    & skf18("2","2","10","2","5","5","1") = "9"
    & skf18("2","2","10","2","5","6","1") = "9"
    & skf18("2","2","10","2","5","7","1") = "9"
    & skf18("2","2","10","2","5","8","1") = "9"
    & skf18("2","2","10","2","5","9","1") = "9"
    & skf18("2","2","10","2","5","10","1") = "9"
    & skf18("2","2","10","2","6","1","1") = "9"
    & skf18("2","2","10","2","6","2","1") = "9"
    & skf18("2","2","10","2","6","3","1") = "9"
    & skf18("2","2","10","2","6","4","1") = "9"
    & skf18("2","2","10","2","6","5","1") = "9"
    & skf18("2","2","10","2","6","6","1") = "9"
    & skf18("2","2","10","2","6","7","1") = "9"
    & skf18("2","2","10","2","6","8","1") = "9"
    & skf18("2","2","10","2","6","9","1") = "9"
    & skf18("2","2","10","2","6","10","1") = "9"
    & skf18("2","2","10","2","7","1","1") = "9"
    & skf18("2","2","10","2","7","2","1") = "9"
    & skf18("2","2","10","2","7","3","1") = "9"
    & skf18("2","2","10","2","7","4","1") = "9"
    & skf18("2","2","10","2","7","5","1") = "9"
    & skf18("2","2","10","2","7","6","1") = "9"
    & skf18("2","2","10","2","7","7","1") = "9"
    & skf18("2","2","10","2","7","8","1") = "9"
    & skf18("2","2","10","2","7","9","1") = "9"
    & skf18("2","2","10","2","7","10","1") = "9"
    & skf18("2","2","10","2","8","1","1") = "9"
    & skf18("2","2","10","2","8","2","1") = "9"
    & skf18("2","2","10","2","8","3","1") = "9"
    & skf18("2","2","10","2","8","4","1") = "9"
    & skf18("2","2","10","2","8","5","1") = "9"
    & skf18("2","2","10","2","8","6","1") = "9"
    & skf18("2","2","10","2","8","7","1") = "9"
    & skf18("2","2","10","2","8","8","1") = "9"
    & skf18("2","2","10","2","8","9","1") = "9"
    & skf18("2","2","10","2","8","10","1") = "9"
    & skf18("2","2","10","2","9","1","1") = "9"
    & skf18("2","2","10","2","9","2","1") = "9"
    & skf18("2","2","10","2","9","3","1") = "9"
    & skf18("2","2","10","2","9","4","1") = "9"
    & skf18("2","2","10","2","9","5","1") = "9"
    & skf18("2","2","10","2","9","6","1") = "9"
    & skf18("2","2","10","2","9","7","1") = "9"
    & skf18("2","2","10","2","9","8","1") = "9"
    & skf18("2","2","10","2","9","9","1") = "9"
    & skf18("2","2","10","2","9","10","1") = "9"
    & skf18("2","2","10","2","10","1","1") = "9"
    & skf18("2","2","10","2","10","2","1") = "9"
    & skf18("2","2","10","2","10","3","1") = "9"
    & skf18("2","2","10","2","10","4","1") = "9"
    & skf18("2","2","10","2","10","5","1") = "9"
    & skf18("2","2","10","2","10","6","1") = "9"
    & skf18("2","2","10","2","10","7","1") = "9"
    & skf18("2","2","10","2","10","8","1") = "9"
    & skf18("2","2","10","2","10","9","1") = "9"
    & skf18("2","2","10","2","10","10","1") = "9"
    & skf18("2","2","10","3","1","1","1") = "9"
    & skf18("2","2","10","3","1","2","1") = "9"
    & skf18("2","2","10","3","1","3","1") = "9"
    & skf18("2","2","10","3","1","4","1") = "9"
    & skf18("2","2","10","3","1","5","1") = "9"
    & skf18("2","2","10","3","1","6","1") = "9"
    & skf18("2","2","10","3","1","7","1") = "9"
    & skf18("2","2","10","3","1","8","1") = "9"
    & skf18("2","2","10","3","1","9","1") = "9"
    & skf18("2","2","10","3","1","10","1") = "9"
    & skf18("2","2","10","3","2","1","1") = "9"
    & skf18("2","2","10","3","2","2","1") = "9"
    & skf18("2","2","10","3","2","3","1") = "9"
    & skf18("2","2","10","3","2","4","1") = "9"
    & skf18("2","2","10","3","2","5","1") = "9"
    & skf18("2","2","10","3","2","6","1") = "9"
    & skf18("2","2","10","3","2","7","1") = "9"
    & skf18("2","2","10","3","2","8","1") = "9"
    & skf18("2","2","10","3","2","9","1") = "9"
    & skf18("2","2","10","3","2","10","1") = "9"
    & skf18("2","2","10","3","3","1","1") = "9"
    & skf18("2","2","10","3","3","2","1") = "9"
    & skf18("2","2","10","3","3","3","1") = "9"
    & skf18("2","2","10","3","3","4","1") = "9"
    & skf18("2","2","10","3","3","5","1") = "9"
    & skf18("2","2","10","3","3","6","1") = "9"
    & skf18("2","2","10","3","3","7","1") = "9"
    & skf18("2","2","10","3","3","8","1") = "9"
    & skf18("2","2","10","3","3","9","1") = "9"
    & skf18("2","2","10","3","3","10","1") = "9"
    & skf18("2","2","10","3","4","1","1") = "9"
    & skf18("2","2","10","3","4","2","1") = "9"
    & skf18("2","2","10","3","4","3","1") = "9"
    & skf18("2","2","10","3","4","4","1") = "9"
    & skf18("2","2","10","3","4","5","1") = "9"
    & skf18("2","2","10","3","4","6","1") = "9"
    & skf18("2","2","10","3","4","7","1") = "9"
    & skf18("2","2","10","3","4","8","1") = "9"
    & skf18("2","2","10","3","4","9","1") = "9"
    & skf18("2","2","10","3","4","10","1") = "9"
    & skf18("2","2","10","3","5","1","1") = "9"
    & skf18("2","2","10","3","5","2","1") = "9"
    & skf18("2","2","10","3","5","3","1") = "9"
    & skf18("2","2","10","3","5","4","1") = "9"
    & skf18("2","2","10","3","5","5","1") = "9"
    & skf18("2","2","10","3","5","6","1") = "9"
    & skf18("2","2","10","3","5","7","1") = "9"
    & skf18("2","2","10","3","5","8","1") = "9"
    & skf18("2","2","10","3","5","9","1") = "9"
    & skf18("2","2","10","3","5","10","1") = "9"
    & skf18("2","2","10","3","6","1","1") = "9"
    & skf18("2","2","10","3","6","2","1") = "9"
    & skf18("2","2","10","3","6","3","1") = "9"
    & skf18("2","2","10","3","6","4","1") = "9"
    & skf18("2","2","10","3","6","5","1") = "9"
    & skf18("2","2","10","3","6","6","1") = "9"
    & skf18("2","2","10","3","6","7","1") = "9"
    & skf18("2","2","10","3","6","8","1") = "9"
    & skf18("2","2","10","3","6","9","1") = "9"
    & skf18("2","2","10","3","6","10","1") = "9"
    & skf18("2","2","10","3","7","1","1") = "9"
    & skf18("2","2","10","3","7","2","1") = "9"
    & skf18("2","2","10","3","7","3","1") = "9"
    & skf18("2","2","10","3","7","4","1") = "9"
    & skf18("2","2","10","3","7","5","1") = "9"
    & skf18("2","2","10","3","7","6","1") = "9"
    & skf18("2","2","10","3","7","7","1") = "9"
    & skf18("2","2","10","3","7","8","1") = "9"
    & skf18("2","2","10","3","7","9","1") = "9"
    & skf18("2","2","10","3","7","10","1") = "9"
    & skf18("2","2","10","3","8","1","1") = "9"
    & skf18("2","2","10","3","8","2","1") = "9"
    & skf18("2","2","10","3","8","3","1") = "9"
    & skf18("2","2","10","3","8","4","1") = "9"
    & skf18("2","2","10","3","8","5","1") = "9"
    & skf18("2","2","10","3","8","6","1") = "9"
    & skf18("2","2","10","3","8","7","1") = "9"
    & skf18("2","2","10","3","8","8","1") = "9"
    & skf18("2","2","10","3","8","9","1") = "9"
    & skf18("2","2","10","3","8","10","1") = "9"
    & skf18("2","2","10","3","9","1","1") = "9"
    & skf18("2","2","10","3","9","2","1") = "9"
    & skf18("2","2","10","3","9","3","1") = "9"
    & skf18("2","2","10","3","9","4","1") = "9"
    & skf18("2","2","10","3","9","5","1") = "9"
    & skf18("2","2","10","3","9","6","1") = "9"
    & skf18("2","2","10","3","9","7","1") = "9"
    & skf18("2","2","10","3","9","8","1") = "9"
    & skf18("2","2","10","3","9","9","1") = "9"
    & skf18("2","2","10","3","9","10","1") = "9"
    & skf18("2","2","10","3","10","1","1") = "9"
    & skf18("2","2","10","3","10","2","1") = "9"
    & skf18("2","2","10","3","10","3","1") = "9"
    & skf18("2","2","10","3","10","4","1") = "9"
    & skf18("2","2","10","3","10","5","1") = "9"
    & skf18("2","2","10","3","10","6","1") = "9"
    & skf18("2","2","10","3","10","7","1") = "9"
    & skf18("2","2","10","3","10","8","1") = "9"
    & skf18("2","2","10","3","10","9","1") = "9"
    & skf18("2","2","10","3","10","10","1") = "9"
    & skf18("2","2","10","4","1","1","1") = "9"
    & skf18("2","2","10","4","1","2","1") = "9"
    & skf18("2","2","10","4","1","3","1") = "9"
    & skf18("2","2","10","4","1","4","1") = "9"
    & skf18("2","2","10","4","1","5","1") = "9"
    & skf18("2","2","10","4","1","6","1") = "9"
    & skf18("2","2","10","4","1","7","1") = "9"
    & skf18("2","2","10","4","1","8","1") = "9"
    & skf18("2","2","10","4","1","9","1") = "9"
    & skf18("2","2","10","4","1","10","1") = "9"
    & skf18("2","2","10","4","2","1","1") = "9"
    & skf18("2","2","10","4","2","2","1") = "9"
    & skf18("2","2","10","4","2","3","1") = "9"
    & skf18("2","2","10","4","2","4","1") = "9"
    & skf18("2","2","10","4","2","5","1") = "9"
    & skf18("2","2","10","4","2","6","1") = "9"
    & skf18("2","2","10","4","2","7","1") = "9"
    & skf18("2","2","10","4","2","8","1") = "9"
    & skf18("2","2","10","4","2","9","1") = "9"
    & skf18("2","2","10","4","2","10","1") = "9"
    & skf18("2","2","10","4","3","1","1") = "9"
    & skf18("2","2","10","4","3","2","1") = "9"
    & skf18("2","2","10","4","3","3","1") = "9"
    & skf18("2","2","10","4","3","4","1") = "9"
    & skf18("2","2","10","4","3","5","1") = "9"
    & skf18("2","2","10","4","3","6","1") = "9"
    & skf18("2","2","10","4","3","7","1") = "9"
    & skf18("2","2","10","4","3","8","1") = "9"
    & skf18("2","2","10","4","3","9","1") = "9"
    & skf18("2","2","10","4","3","10","1") = "9"
    & skf18("2","2","10","4","4","1","1") = "9"
    & skf18("2","2","10","4","4","2","1") = "9"
    & skf18("2","2","10","4","4","3","1") = "9"
    & skf18("2","2","10","4","4","4","1") = "9"
    & skf18("2","2","10","4","4","5","1") = "9"
    & skf18("2","2","10","4","4","6","1") = "9"
    & skf18("2","2","10","4","4","7","1") = "9"
    & skf18("2","2","10","4","4","8","1") = "9"
    & skf18("2","2","10","4","4","9","1") = "9"
    & skf18("2","2","10","4","4","10","1") = "9"
    & skf18("2","2","10","4","5","1","1") = "9"
    & skf18("2","2","10","4","5","2","1") = "9"
    & skf18("2","2","10","4","5","3","1") = "9"
    & skf18("2","2","10","4","5","4","1") = "9"
    & skf18("2","2","10","4","5","5","1") = "9"
    & skf18("2","2","10","4","5","6","1") = "9"
    & skf18("2","2","10","4","5","7","1") = "9"
    & skf18("2","2","10","4","5","8","1") = "9"
    & skf18("2","2","10","4","5","9","1") = "9"
    & skf18("2","2","10","4","5","10","1") = "9"
    & skf18("2","2","10","4","6","1","1") = "9"
    & skf18("2","2","10","4","6","2","1") = "9"
    & skf18("2","2","10","4","6","3","1") = "9"
    & skf18("2","2","10","4","6","4","1") = "9"
    & skf18("2","2","10","4","6","5","1") = "9"
    & skf18("2","2","10","4","6","6","1") = "9"
    & skf18("2","2","10","4","6","7","1") = "9"
    & skf18("2","2","10","4","6","8","1") = "9"
    & skf18("2","2","10","4","6","9","1") = "9"
    & skf18("2","2","10","4","6","10","1") = "9"
    & skf18("2","2","10","4","7","1","1") = "9"
    & skf18("2","2","10","4","7","2","1") = "9"
    & skf18("2","2","10","4","7","3","1") = "9"
    & skf18("2","2","10","4","7","4","1") = "9"
    & skf18("2","2","10","4","7","5","1") = "9"
    & skf18("2","2","10","4","7","6","1") = "9"
    & skf18("2","2","10","4","7","7","1") = "9"
    & skf18("2","2","10","4","7","8","1") = "9"
    & skf18("2","2","10","4","7","9","1") = "9"
    & skf18("2","2","10","4","7","10","1") = "9"
    & skf18("2","2","10","4","8","1","1") = "9"
    & skf18("2","2","10","4","8","2","1") = "9"
    & skf18("2","2","10","4","8","3","1") = "9"
    & skf18("2","2","10","4","8","4","1") = "9"
    & skf18("2","2","10","4","8","5","1") = "9"
    & skf18("2","2","10","4","8","6","1") = "9"
    & skf18("2","2","10","4","8","7","1") = "9"
    & skf18("2","2","10","4","8","8","1") = "9"
    & skf18("2","2","10","4","8","9","1") = "9"
    & skf18("2","2","10","4","8","10","1") = "9"
    & skf18("2","2","10","4","9","1","1") = "9"
    & skf18("2","2","10","4","9","2","1") = "9"
    & skf18("2","2","10","4","9","3","1") = "9"
    & skf18("2","2","10","4","9","4","1") = "9"
    & skf18("2","2","10","4","9","5","1") = "9"
    & skf18("2","2","10","4","9","6","1") = "9"
    & skf18("2","2","10","4","9","7","1") = "9"
    & skf18("2","2","10","4","9","8","1") = "9"
    & skf18("2","2","10","4","9","9","1") = "9"
    & skf18("2","2","10","4","9","10","1") = "9"
    & skf18("2","2","10","4","10","1","1") = "9"
    & skf18("2","2","10","4","10","2","1") = "9"
    & skf18("2","2","10","4","10","3","1") = "9"
    & skf18("2","2","10","4","10","4","1") = "9"
    & skf18("2","2","10","4","10","5","1") = "9"
    & skf18("2","2","10","4","10","6","1") = "9"
    & skf18("2","2","10","4","10","7","1") = "9"
    & skf18("2","2","10","4","10","8","1") = "9"
    & skf18("2","2","10","4","10","9","1") = "9"
    & skf18("2","2","10","4","10","10","1") = "9"
    & skf18("2","2","10","5","1","1","1") = "9"
    & skf18("2","2","10","5","1","2","1") = "9"
    & skf18("2","2","10","5","1","3","1") = "9"
    & skf18("2","2","10","5","1","4","1") = "9"
    & skf18("2","2","10","5","1","5","1") = "9"
    & skf18("2","2","10","5","1","6","1") = "9"
    & skf18("2","2","10","5","1","7","1") = "9"
    & skf18("2","2","10","5","1","8","1") = "9"
    & skf18("2","2","10","5","1","9","1") = "9"
    & skf18("2","2","10","5","1","10","1") = "9"
    & skf18("2","2","10","5","2","1","1") = "9"
    & skf18("2","2","10","5","2","2","1") = "9"
    & skf18("2","2","10","5","2","3","1") = "9"
    & skf18("2","2","10","5","2","4","1") = "9"
    & skf18("2","2","10","5","2","5","1") = "9"
    & skf18("2","2","10","5","2","6","1") = "9"
    & skf18("2","2","10","5","2","7","1") = "9"
    & skf18("2","2","10","5","2","8","1") = "9"
    & skf18("2","2","10","5","2","9","1") = "9"
    & skf18("2","2","10","5","2","10","1") = "9"
    & skf18("2","2","10","5","3","1","1") = "9"
    & skf18("2","2","10","5","3","2","1") = "9"
    & skf18("2","2","10","5","3","3","1") = "9"
    & skf18("2","2","10","5","3","4","1") = "9"
    & skf18("2","2","10","5","3","5","1") = "9"
    & skf18("2","2","10","5","3","6","1") = "9"
    & skf18("2","2","10","5","3","7","1") = "9"
    & skf18("2","2","10","5","3","8","1") = "9"
    & skf18("2","2","10","5","3","9","1") = "9"
    & skf18("2","2","10","5","3","10","1") = "9"
    & skf18("2","2","10","5","4","1","1") = "9"
    & skf18("2","2","10","5","4","2","1") = "9"
    & skf18("2","2","10","5","4","3","1") = "9"
    & skf18("2","2","10","5","4","4","1") = "9"
    & skf18("2","2","10","5","4","5","1") = "9"
    & skf18("2","2","10","5","4","6","1") = "9"
    & skf18("2","2","10","5","4","7","1") = "9"
    & skf18("2","2","10","5","4","8","1") = "9"
    & skf18("2","2","10","5","4","9","1") = "9"
    & skf18("2","2","10","5","4","10","1") = "9"
    & skf18("2","2","10","5","5","1","1") = "9"
    & skf18("2","2","10","5","5","2","1") = "9"
    & skf18("2","2","10","5","5","3","1") = "9"
    & skf18("2","2","10","5","5","4","1") = "9"
    & skf18("2","2","10","5","5","5","1") = "9"
    & skf18("2","2","10","5","5","6","1") = "9"
    & skf18("2","2","10","5","5","7","1") = "9"
    & skf18("2","2","10","5","5","8","1") = "9"
    & skf18("2","2","10","5","5","9","1") = "9"
    & skf18("2","2","10","5","5","10","1") = "9"
    & skf18("2","2","10","5","6","1","1") = "9"
    & skf18("2","2","10","5","6","2","1") = "9"
    & skf18("2","2","10","5","6","3","1") = "9"
    & skf18("2","2","10","5","6","4","1") = "9"
    & skf18("2","2","10","5","6","5","1") = "9"
    & skf18("2","2","10","5","6","6","1") = "9"
    & skf18("2","2","10","5","6","7","1") = "9"
    & skf18("2","2","10","5","6","8","1") = "9"
    & skf18("2","2","10","5","6","9","1") = "9"
    & skf18("2","2","10","5","6","10","1") = "9"
    & skf18("2","2","10","5","7","1","1") = "9"
    & skf18("2","2","10","5","7","2","1") = "9"
    & skf18("2","2","10","5","7","3","1") = "9"
    & skf18("2","2","10","5","7","4","1") = "9"
    & skf18("2","2","10","5","7","5","1") = "9"
    & skf18("2","2","10","5","7","6","1") = "9"
    & skf18("2","2","10","5","7","7","1") = "9"
    & skf18("2","2","10","5","7","8","1") = "9"
    & skf18("2","2","10","5","7","9","1") = "9"
    & skf18("2","2","10","5","7","10","1") = "9"
    & skf18("2","2","10","5","8","1","1") = "9"
    & skf18("2","2","10","5","8","2","1") = "9"
    & skf18("2","2","10","5","8","3","1") = "9"
    & skf18("2","2","10","5","8","4","1") = "9"
    & skf18("2","2","10","5","8","5","1") = "9"
    & skf18("2","2","10","5","8","6","1") = "9"
    & skf18("2","2","10","5","8","7","1") = "9"
    & skf18("2","2","10","5","8","8","1") = "9"
    & skf18("2","2","10","5","8","9","1") = "9"
    & skf18("2","2","10","5","8","10","1") = "9"
    & skf18("2","2","10","5","9","1","1") = "9"
    & skf18("2","2","10","5","9","2","1") = "9"
    & skf18("2","2","10","5","9","3","1") = "9"
    & skf18("2","2","10","5","9","4","1") = "9"
    & skf18("2","2","10","5","9","5","1") = "9"
    & skf18("2","2","10","5","9","6","1") = "9"
    & skf18("2","2","10","5","9","7","1") = "9"
    & skf18("2","2","10","5","9","8","1") = "9"
    & skf18("2","2","10","5","9","9","1") = "9"
    & skf18("2","2","10","5","9","10","1") = "9"
    & skf18("2","2","10","5","10","1","1") = "9"
    & skf18("2","2","10","5","10","2","1") = "9"
    & skf18("2","2","10","5","10","3","1") = "9"
    & skf18("2","2","10","5","10","4","1") = "9"
    & skf18("2","2","10","5","10","5","1") = "9"
    & skf18("2","2","10","5","10","6","1") = "9"
    & skf18("2","2","10","5","10","7","1") = "9"
    & skf18("2","2","10","5","10","8","1") = "9"
    & skf18("2","2","10","5","10","9","1") = "9"
    & skf18("2","2","10","5","10","10","1") = "9"
    & skf18("2","2","10","6","1","1","1") = "9"
    & skf18("2","2","10","6","1","2","1") = "9"
    & skf18("2","2","10","6","1","3","1") = "9"
    & skf18("2","2","10","6","1","4","1") = "9"
    & skf18("2","2","10","6","1","5","1") = "9"
    & skf18("2","2","10","6","1","6","1") = "9"
    & skf18("2","2","10","6","1","7","1") = "9"
    & skf18("2","2","10","6","1","8","1") = "9"
    & skf18("2","2","10","6","1","9","1") = "9"
    & skf18("2","2","10","6","1","10","1") = "9"
    & skf18("2","2","10","6","2","1","1") = "9"
    & skf18("2","2","10","6","2","2","1") = "9"
    & skf18("2","2","10","6","2","3","1") = "9"
    & skf18("2","2","10","6","2","4","1") = "9"
    & skf18("2","2","10","6","2","5","1") = "9"
    & skf18("2","2","10","6","2","6","1") = "9"
    & skf18("2","2","10","6","2","7","1") = "9"
    & skf18("2","2","10","6","2","8","1") = "9"
    & skf18("2","2","10","6","2","9","1") = "9"
    & skf18("2","2","10","6","2","10","1") = "9"
    & skf18("2","2","10","6","3","1","1") = "9"
    & skf18("2","2","10","6","3","2","1") = "9"
    & skf18("2","2","10","6","3","3","1") = "9"
    & skf18("2","2","10","6","3","4","1") = "9"
    & skf18("2","2","10","6","3","5","1") = "9"
    & skf18("2","2","10","6","3","6","1") = "9"
    & skf18("2","2","10","6","3","7","1") = "9"
    & skf18("2","2","10","6","3","8","1") = "9"
    & skf18("2","2","10","6","3","9","1") = "9"
    & skf18("2","2","10","6","3","10","1") = "9"
    & skf18("2","2","10","6","4","1","1") = "9"
    & skf18("2","2","10","6","4","2","1") = "9"
    & skf18("2","2","10","6","4","3","1") = "9"
    & skf18("2","2","10","6","4","4","1") = "9"
    & skf18("2","2","10","6","4","5","1") = "9"
    & skf18("2","2","10","6","4","6","1") = "9"
    & skf18("2","2","10","6","4","7","1") = "9"
    & skf18("2","2","10","6","4","8","1") = "9"
    & skf18("2","2","10","6","4","9","1") = "9"
    & skf18("2","2","10","6","4","10","1") = "9"
    & skf18("2","2","10","6","5","1","1") = "9"
    & skf18("2","2","10","6","5","2","1") = "9"
    & skf18("2","2","10","6","5","3","1") = "9"
    & skf18("2","2","10","6","5","4","1") = "9"
    & skf18("2","2","10","6","5","5","1") = "9"
    & skf18("2","2","10","6","5","6","1") = "9"
    & skf18("2","2","10","6","5","7","1") = "9"
    & skf18("2","2","10","6","5","8","1") = "9"
    & skf18("2","2","10","6","5","9","1") = "9"
    & skf18("2","2","10","6","5","10","1") = "9"
    & skf18("2","2","10","6","6","1","1") = "9"
    & skf18("2","2","10","6","6","2","1") = "9"
    & skf18("2","2","10","6","6","3","1") = "9"
    & skf18("2","2","10","6","6","4","1") = "9"
    & skf18("2","2","10","6","6","5","1") = "9"
    & skf18("2","2","10","6","6","6","1") = "9"
    & skf18("2","2","10","6","6","7","1") = "9"
    & skf18("2","2","10","6","6","8","1") = "9"
    & skf18("2","2","10","6","6","9","1") = "9"
    & skf18("2","2","10","6","6","10","1") = "9"
    & skf18("2","2","10","6","7","1","1") = "9"
    & skf18("2","2","10","6","7","2","1") = "9"
    & skf18("2","2","10","6","7","3","1") = "9"
    & skf18("2","2","10","6","7","4","1") = "9"
    & skf18("2","2","10","6","7","5","1") = "9"
    & skf18("2","2","10","6","7","6","1") = "9"
    & skf18("2","2","10","6","7","7","1") = "9"
    & skf18("2","2","10","6","7","8","1") = "9"
    & skf18("2","2","10","6","7","9","1") = "9"
    & skf18("2","2","10","6","7","10","1") = "9"
    & skf18("2","2","10","6","8","1","1") = "9"
    & skf18("2","2","10","6","8","2","1") = "9"
    & skf18("2","2","10","6","8","3","1") = "9"
    & skf18("2","2","10","6","8","4","1") = "9"
    & skf18("2","2","10","6","8","5","1") = "9"
    & skf18("2","2","10","6","8","6","1") = "9"
    & skf18("2","2","10","6","8","7","1") = "9"
    & skf18("2","2","10","6","8","8","1") = "9"
    & skf18("2","2","10","6","8","9","1") = "9"
    & skf18("2","2","10","6","8","10","1") = "9"
    & skf18("2","2","10","6","9","1","1") = "9"
    & skf18("2","2","10","6","9","2","1") = "9"
    & skf18("2","2","10","6","9","3","1") = "9"
    & skf18("2","2","10","6","9","4","1") = "9"
    & skf18("2","2","10","6","9","5","1") = "9"
    & skf18("2","2","10","6","9","6","1") = "9"
    & skf18("2","2","10","6","9","7","1") = "9"
    & skf18("2","2","10","6","9","8","1") = "9"
    & skf18("2","2","10","6","9","9","1") = "9"
    & skf18("2","2","10","6","9","10","1") = "9"
    & skf18("2","2","10","6","10","1","1") = "9"
    & skf18("2","2","10","6","10","2","1") = "9"
    & skf18("2","2","10","6","10","3","1") = "9"
    & skf18("2","2","10","6","10","4","1") = "9"
    & skf18("2","2","10","6","10","5","1") = "9"
    & skf18("2","2","10","6","10","6","1") = "9"
    & skf18("2","2","10","6","10","7","1") = "9"
    & skf18("2","2","10","6","10","8","1") = "9"
    & skf18("2","2","10","6","10","9","1") = "9"
    & skf18("2","2","10","6","10","10","1") = "9"
    & skf18("2","2","10","7","1","1","1") = "9"
    & skf18("2","2","10","7","1","2","1") = "9"
    & skf18("2","2","10","7","1","3","1") = "9"
    & skf18("2","2","10","7","1","4","1") = "9"
    & skf18("2","2","10","7","1","5","1") = "9"
    & skf18("2","2","10","7","1","6","1") = "9"
    & skf18("2","2","10","7","1","7","1") = "9"
    & skf18("2","2","10","7","1","8","1") = "9"
    & skf18("2","2","10","7","1","9","1") = "9"
    & skf18("2","2","10","7","1","10","1") = "9"
    & skf18("2","2","10","7","2","1","1") = "9"
    & skf18("2","2","10","7","2","2","1") = "9"
    & skf18("2","2","10","7","2","3","1") = "9"
    & skf18("2","2","10","7","2","4","1") = "9"
    & skf18("2","2","10","7","2","5","1") = "9"
    & skf18("2","2","10","7","2","6","1") = "9"
    & skf18("2","2","10","7","2","7","1") = "9"
    & skf18("2","2","10","7","2","8","1") = "9"
    & skf18("2","2","10","7","2","9","1") = "9"
    & skf18("2","2","10","7","2","10","1") = "9"
    & skf18("2","2","10","7","3","1","1") = "9"
    & skf18("2","2","10","7","3","2","1") = "9"
    & skf18("2","2","10","7","3","3","1") = "9"
    & skf18("2","2","10","7","3","4","1") = "9"
    & skf18("2","2","10","7","3","5","1") = "9"
    & skf18("2","2","10","7","3","6","1") = "9"
    & skf18("2","2","10","7","3","7","1") = "9"
    & skf18("2","2","10","7","3","8","1") = "9"
    & skf18("2","2","10","7","3","9","1") = "9"
    & skf18("2","2","10","7","3","10","1") = "9"
    & skf18("2","2","10","7","4","1","1") = "9"
    & skf18("2","2","10","7","4","2","1") = "9"
    & skf18("2","2","10","7","4","3","1") = "9"
    & skf18("2","2","10","7","4","4","1") = "9"
    & skf18("2","2","10","7","4","5","1") = "9"
    & skf18("2","2","10","7","4","6","1") = "9"
    & skf18("2","2","10","7","4","7","1") = "9"
    & skf18("2","2","10","7","4","8","1") = "9"
    & skf18("2","2","10","7","4","9","1") = "9"
    & skf18("2","2","10","7","4","10","1") = "9"
    & skf18("2","2","10","7","5","1","1") = "9"
    & skf18("2","2","10","7","5","2","1") = "9"
    & skf18("2","2","10","7","5","3","1") = "9"
    & skf18("2","2","10","7","5","4","1") = "9"
    & skf18("2","2","10","7","5","5","1") = "9"
    & skf18("2","2","10","7","5","6","1") = "9"
    & skf18("2","2","10","7","5","7","1") = "9"
    & skf18("2","2","10","7","5","8","1") = "9"
    & skf18("2","2","10","7","5","9","1") = "9"
    & skf18("2","2","10","7","5","10","1") = "9"
    & skf18("2","2","10","7","6","1","1") = "9"
    & skf18("2","2","10","7","6","2","1") = "9"
    & skf18("2","2","10","7","6","3","1") = "9"
    & skf18("2","2","10","7","6","4","1") = "9"
    & skf18("2","2","10","7","6","5","1") = "9"
    & skf18("2","2","10","7","6","6","1") = "9"
    & skf18("2","2","10","7","6","7","1") = "9"
    & skf18("2","2","10","7","6","8","1") = "9"
    & skf18("2","2","10","7","6","9","1") = "9"
    & skf18("2","2","10","7","6","10","1") = "9"
    & skf18("2","2","10","7","7","1","1") = "9"
    & skf18("2","2","10","7","7","2","1") = "9"
    & skf18("2","2","10","7","7","3","1") = "9"
    & skf18("2","2","10","7","7","4","1") = "9"
    & skf18("2","2","10","7","7","5","1") = "9"
    & skf18("2","2","10","7","7","6","1") = "9"
    & skf18("2","2","10","7","7","7","1") = "9"
    & skf18("2","2","10","7","7","8","1") = "9"
    & skf18("2","2","10","7","7","9","1") = "9"
    & skf18("2","2","10","7","7","10","1") = "9"
    & skf18("2","2","10","7","8","1","1") = "9"
    & skf18("2","2","10","7","8","2","1") = "9"
    & skf18("2","2","10","7","8","3","1") = "9"
    & skf18("2","2","10","7","8","4","1") = "9"
    & skf18("2","2","10","7","8","5","1") = "9"
    & skf18("2","2","10","7","8","6","1") = "9"
    & skf18("2","2","10","7","8","7","1") = "9"
    & skf18("2","2","10","7","8","8","1") = "9"
    & skf18("2","2","10","7","8","9","1") = "9"
    & skf18("2","2","10","7","8","10","1") = "9"
    & skf18("2","2","10","7","9","1","1") = "9"
    & skf18("2","2","10","7","9","2","1") = "9"
    & skf18("2","2","10","7","9","3","1") = "9"
    & skf18("2","2","10","7","9","4","1") = "9"
    & skf18("2","2","10","7","9","5","1") = "9"
    & skf18("2","2","10","7","9","6","1") = "9"
    & skf18("2","2","10","7","9","7","1") = "9"
    & skf18("2","2","10","7","9","8","1") = "9"
    & skf18("2","2","10","7","9","9","1") = "9"
    & skf18("2","2","10","7","9","10","1") = "9"
    & skf18("2","2","10","7","10","1","1") = "9"
    & skf18("2","2","10","7","10","2","1") = "9"
    & skf18("2","2","10","7","10","3","1") = "9"
    & skf18("2","2","10","7","10","4","1") = "9"
    & skf18("2","2","10","7","10","5","1") = "9"
    & skf18("2","2","10","7","10","6","1") = "9"
    & skf18("2","2","10","7","10","7","1") = "9"
    & skf18("2","2","10","7","10","8","1") = "9"
    & skf18("2","2","10","7","10","9","1") = "9"
    & skf18("2","2","10","7","10","10","1") = "9"
    & skf18("2","2","10","8","1","1","1") = "9"
    & skf18("2","2","10","8","1","2","1") = "9"
    & skf18("2","2","10","8","1","3","1") = "9"
    & skf18("2","2","10","8","1","4","1") = "9"
    & skf18("2","2","10","8","1","5","1") = "9"
    & skf18("2","2","10","8","1","6","1") = "9"
    & skf18("2","2","10","8","1","7","1") = "9"
    & skf18("2","2","10","8","1","8","1") = "9"
    & skf18("2","2","10","8","1","9","1") = "9"
    & skf18("2","2","10","8","1","10","1") = "9"
    & skf18("2","2","10","8","2","1","1") = "9"
    & skf18("2","2","10","8","2","2","1") = "9"
    & skf18("2","2","10","8","2","3","1") = "9"
    & skf18("2","2","10","8","2","4","1") = "9"
    & skf18("2","2","10","8","2","5","1") = "9"
    & skf18("2","2","10","8","2","6","1") = "9"
    & skf18("2","2","10","8","2","7","1") = "9"
    & skf18("2","2","10","8","2","8","1") = "9"
    & skf18("2","2","10","8","2","9","1") = "9"
    & skf18("2","2","10","8","2","10","1") = "9"
    & skf18("2","2","10","8","3","1","1") = "9"
    & skf18("2","2","10","8","3","2","1") = "9"
    & skf18("2","2","10","8","3","3","1") = "9"
    & skf18("2","2","10","8","3","4","1") = "9"
    & skf18("2","2","10","8","3","5","1") = "9"
    & skf18("2","2","10","8","3","6","1") = "9"
    & skf18("2","2","10","8","3","7","1") = "9"
    & skf18("2","2","10","8","3","8","1") = "9"
    & skf18("2","2","10","8","3","9","1") = "9"
    & skf18("2","2","10","8","3","10","1") = "9"
    & skf18("2","2","10","8","4","1","1") = "9"
    & skf18("2","2","10","8","4","2","1") = "9"
    & skf18("2","2","10","8","4","3","1") = "9"
    & skf18("2","2","10","8","4","4","1") = "9"
    & skf18("2","2","10","8","4","5","1") = "9"
    & skf18("2","2","10","8","4","6","1") = "9"
    & skf18("2","2","10","8","4","7","1") = "9"
    & skf18("2","2","10","8","4","8","1") = "9"
    & skf18("2","2","10","8","4","9","1") = "9"
    & skf18("2","2","10","8","4","10","1") = "9"
    & skf18("2","2","10","8","5","1","1") = "9"
    & skf18("2","2","10","8","5","2","1") = "9"
    & skf18("2","2","10","8","5","3","1") = "9"
    & skf18("2","2","10","8","5","4","1") = "9"
    & skf18("2","2","10","8","5","5","1") = "9"
    & skf18("2","2","10","8","5","6","1") = "9"
    & skf18("2","2","10","8","5","7","1") = "9"
    & skf18("2","2","10","8","5","8","1") = "9"
    & skf18("2","2","10","8","5","9","1") = "9"
    & skf18("2","2","10","8","5","10","1") = "9"
    & skf18("2","2","10","8","6","1","1") = "9"
    & skf18("2","2","10","8","6","2","1") = "9"
    & skf18("2","2","10","8","6","3","1") = "9"
    & skf18("2","2","10","8","6","4","1") = "9"
    & skf18("2","2","10","8","6","5","1") = "9"
    & skf18("2","2","10","8","6","6","1") = "9"
    & skf18("2","2","10","8","6","7","1") = "9"
    & skf18("2","2","10","8","6","8","1") = "9"
    & skf18("2","2","10","8","6","9","1") = "9"
    & skf18("2","2","10","8","6","10","1") = "9"
    & skf18("2","2","10","8","7","1","1") = "9"
    & skf18("2","2","10","8","7","2","1") = "9"
    & skf18("2","2","10","8","7","3","1") = "9"
    & skf18("2","2","10","8","7","4","1") = "9"
    & skf18("2","2","10","8","7","5","1") = "9"
    & skf18("2","2","10","8","7","6","1") = "9"
    & skf18("2","2","10","8","7","7","1") = "9"
    & skf18("2","2","10","8","7","8","1") = "9"
    & skf18("2","2","10","8","7","9","1") = "9"
    & skf18("2","2","10","8","7","10","1") = "9"
    & skf18("2","2","10","8","8","1","1") = "9"
    & skf18("2","2","10","8","8","2","1") = "9"
    & skf18("2","2","10","8","8","3","1") = "9"
    & skf18("2","2","10","8","8","4","1") = "9"
    & skf18("2","2","10","8","8","5","1") = "9"
    & skf18("2","2","10","8","8","6","1") = "9"
    & skf18("2","2","10","8","8","7","1") = "9"
    & skf18("2","2","10","8","8","8","1") = "9"
    & skf18("2","2","10","8","8","9","1") = "9"
    & skf18("2","2","10","8","8","10","1") = "9"
    & skf18("2","2","10","8","9","1","1") = "9"
    & skf18("2","2","10","8","9","2","1") = "9"
    & skf18("2","2","10","8","9","3","1") = "9"
    & skf18("2","2","10","8","9","4","1") = "9"
    & skf18("2","2","10","8","9","5","1") = "9"
    & skf18("2","2","10","8","9","6","1") = "9"
    & skf18("2","2","10","8","9","7","1") = "9"
    & skf18("2","2","10","8","9","8","1") = "9"
    & skf18("2","2","10","8","9","9","1") = "9"
    & skf18("2","2","10","8","9","10","1") = "9"
    & skf18("2","2","10","8","10","1","1") = "9"
    & skf18("2","2","10","8","10","2","1") = "9"
    & skf18("2","2","10","8","10","3","1") = "9"
    & skf18("2","2","10","8","10","4","1") = "9"
    & skf18("2","2","10","8","10","5","1") = "9"
    & skf18("2","2","10","8","10","6","1") = "9"
    & skf18("2","2","10","8","10","7","1") = "9"
    & skf18("2","2","10","8","10","8","1") = "9"
    & skf18("2","2","10","8","10","9","1") = "9"
    & skf18("2","2","10","8","10","10","1") = "9"
    & skf18("2","2","10","9","1","1","1") = "9"
    & skf18("2","2","10","9","1","2","1") = "9"
    & skf18("2","2","10","9","1","3","1") = "9"
    & skf18("2","2","10","9","1","4","1") = "9"
    & skf18("2","2","10","9","1","5","1") = "9"
    & skf18("2","2","10","9","1","6","1") = "9"
    & skf18("2","2","10","9","1","7","1") = "9"
    & skf18("2","2","10","9","1","8","1") = "9"
    & skf18("2","2","10","9","1","9","1") = "9"
    & skf18("2","2","10","9","1","10","1") = "9"
    & skf18("2","2","10","9","2","1","1") = "9"
    & skf18("2","2","10","9","2","2","1") = "9"
    & skf18("2","2","10","9","2","3","1") = "9"
    & skf18("2","2","10","9","2","4","1") = "9"
    & skf18("2","2","10","9","2","5","1") = "9"
    & skf18("2","2","10","9","2","6","1") = "9"
    & skf18("2","2","10","9","2","7","1") = "9"
    & skf18("2","2","10","9","2","8","1") = "9"
    & skf18("2","2","10","9","2","9","1") = "9"
    & skf18("2","2","10","9","2","10","1") = "9"
    & skf18("2","2","10","9","3","1","1") = "9"
    & skf18("2","2","10","9","3","2","1") = "9"
    & skf18("2","2","10","9","3","3","1") = "9"
    & skf18("2","2","10","9","3","4","1") = "9"
    & skf18("2","2","10","9","3","5","1") = "9"
    & skf18("2","2","10","9","3","6","1") = "9"
    & skf18("2","2","10","9","3","7","1") = "9"
    & skf18("2","2","10","9","3","8","1") = "9"
    & skf18("2","2","10","9","3","9","1") = "9"
    & skf18("2","2","10","9","3","10","1") = "9"
    & skf18("2","2","10","9","4","1","1") = "9"
    & skf18("2","2","10","9","4","2","1") = "9"
    & skf18("2","2","10","9","4","3","1") = "9"
    & skf18("2","2","10","9","4","4","1") = "9"
    & skf18("2","2","10","9","4","5","1") = "9"
    & skf18("2","2","10","9","4","6","1") = "9"
    & skf18("2","2","10","9","4","7","1") = "9"
    & skf18("2","2","10","9","4","8","1") = "9"
    & skf18("2","2","10","9","4","9","1") = "9"
    & skf18("2","2","10","9","4","10","1") = "9"
    & skf18("2","2","10","9","5","1","1") = "9"
    & skf18("2","2","10","9","5","2","1") = "9"
    & skf18("2","2","10","9","5","3","1") = "9"
    & skf18("2","2","10","9","5","4","1") = "9"
    & skf18("2","2","10","9","5","5","1") = "9"
    & skf18("2","2","10","9","5","6","1") = "9"
    & skf18("2","2","10","9","5","7","1") = "9"
    & skf18("2","2","10","9","5","8","1") = "9"
    & skf18("2","2","10","9","5","9","1") = "9"
    & skf18("2","2","10","9","5","10","1") = "9"
    & skf18("2","2","10","9","6","1","1") = "9"
    & skf18("2","2","10","9","6","2","1") = "9"
    & skf18("2","2","10","9","6","3","1") = "9"
    & skf18("2","2","10","9","6","4","1") = "9"
    & skf18("2","2","10","9","6","5","1") = "9"
    & skf18("2","2","10","9","6","6","1") = "9"
    & skf18("2","2","10","9","6","7","1") = "9"
    & skf18("2","2","10","9","6","8","1") = "9"
    & skf18("2","2","10","9","6","9","1") = "9"
    & skf18("2","2","10","9","6","10","1") = "9"
    & skf18("2","2","10","9","7","1","1") = "9"
    & skf18("2","2","10","9","7","2","1") = "9"
    & skf18("2","2","10","9","7","3","1") = "9"
    & skf18("2","2","10","9","7","4","1") = "9"
    & skf18("2","2","10","9","7","5","1") = "9"
    & skf18("2","2","10","9","7","6","1") = "9"
    & skf18("2","2","10","9","7","7","1") = "9"
    & skf18("2","2","10","9","7","8","1") = "9"
    & skf18("2","2","10","9","7","9","1") = "9"
    & skf18("2","2","10","9","7","10","1") = "9"
    & skf18("2","2","10","9","8","1","1") = "9"
    & skf18("2","2","10","9","8","2","1") = "9"
    & skf18("2","2","10","9","8","3","1") = "9"
    & skf18("2","2","10","9","8","4","1") = "9"
    & skf18("2","2","10","9","8","5","1") = "9"
    & skf18("2","2","10","9","8","6","1") = "9"
    & skf18("2","2","10","9","8","7","1") = "9"
    & skf18("2","2","10","9","8","8","1") = "9"
    & skf18("2","2","10","9","8","9","1") = "9"
    & skf18("2","2","10","9","8","10","1") = "9"
    & skf18("2","2","10","9","9","1","1") = "9"
    & skf18("2","2","10","9","9","2","1") = "9"
    & skf18("2","2","10","9","9","3","1") = "9"
    & skf18("2","2","10","9","9","4","1") = "9"
    & skf18("2","2","10","9","9","5","1") = "9"
    & skf18("2","2","10","9","9","6","1") = "9"
    & skf18("2","2","10","9","9","7","1") = "9"
    & skf18("2","2","10","9","9","8","1") = "9"
    & skf18("2","2","10","9","9","9","1") = "9"
    & skf18("2","2","10","9","9","10","1") = "9"
    & skf18("2","2","10","9","10","1","1") = "9"
    & skf18("2","2","10","9","10","2","1") = "9"
    & skf18("2","2","10","9","10","3","1") = "9"
    & skf18("2","2","10","9","10","4","1") = "9"
    & skf18("2","2","10","9","10","5","1") = "9"
    & skf18("2","2","10","9","10","6","1") = "9"
    & skf18("2","2","10","9","10","7","1") = "9"
    & skf18("2","2","10","9","10","8","1") = "9"
    & skf18("2","2","10","9","10","9","1") = "9"
    & skf18("2","2","10","9","10","10","1") = "9"
    & skf18("2","2","10","10","1","1","1") = "9"
    & skf18("2","2","10","10","1","2","1") = "9"
    & skf18("2","2","10","10","1","3","1") = "9"
    & skf18("2","2","10","10","1","4","1") = "9"
    & skf18("2","2","10","10","1","5","1") = "9"
    & skf18("2","2","10","10","1","6","1") = "9"
    & skf18("2","2","10","10","1","7","1") = "9"
    & skf18("2","2","10","10","1","8","1") = "9"
    & skf18("2","2","10","10","1","9","1") = "9"
    & skf18("2","2","10","10","1","10","1") = "9"
    & skf18("2","2","10","10","2","1","1") = "9"
    & skf18("2","2","10","10","2","2","1") = "9"
    & skf18("2","2","10","10","2","3","1") = "9"
    & skf18("2","2","10","10","2","4","1") = "9"
    & skf18("2","2","10","10","2","5","1") = "9"
    & skf18("2","2","10","10","2","6","1") = "9"
    & skf18("2","2","10","10","2","7","1") = "9"
    & skf18("2","2","10","10","2","8","1") = "9"
    & skf18("2","2","10","10","2","9","1") = "9"
    & skf18("2","2","10","10","2","10","1") = "9"
    & skf18("2","2","10","10","3","1","1") = "9"
    & skf18("2","2","10","10","3","2","1") = "9"
    & skf18("2","2","10","10","3","3","1") = "9"
    & skf18("2","2","10","10","3","4","1") = "9"
    & skf18("2","2","10","10","3","5","1") = "9"
    & skf18("2","2","10","10","3","6","1") = "9"
    & skf18("2","2","10","10","3","7","1") = "9"
    & skf18("2","2","10","10","3","8","1") = "9"
    & skf18("2","2","10","10","3","9","1") = "9"
    & skf18("2","2","10","10","3","10","1") = "9"
    & skf18("2","2","10","10","4","1","1") = "9"
    & skf18("2","2","10","10","4","2","1") = "9"
    & skf18("2","2","10","10","4","3","1") = "9"
    & skf18("2","2","10","10","4","4","1") = "9"
    & skf18("2","2","10","10","4","5","1") = "9"
    & skf18("2","2","10","10","4","6","1") = "9"
    & skf18("2","2","10","10","4","7","1") = "9"
    & skf18("2","2","10","10","4","8","1") = "9"
    & skf18("2","2","10","10","4","9","1") = "9"
    & skf18("2","2","10","10","4","10","1") = "9"
    & skf18("2","2","10","10","5","1","1") = "9"
    & skf18("2","2","10","10","5","2","1") = "9"
    & skf18("2","2","10","10","5","3","1") = "9"
    & skf18("2","2","10","10","5","4","1") = "9"
    & skf18("2","2","10","10","5","5","1") = "9"
    & skf18("2","2","10","10","5","6","1") = "9"
    & skf18("2","2","10","10","5","7","1") = "9"
    & skf18("2","2","10","10","5","8","1") = "9"
    & skf18("2","2","10","10","5","9","1") = "9"
    & skf18("2","2","10","10","5","10","1") = "9"
    & skf18("2","2","10","10","6","1","1") = "9"
    & skf18("2","2","10","10","6","2","1") = "9"
    & skf18("2","2","10","10","6","3","1") = "9"
    & skf18("2","2","10","10","6","4","1") = "9"
    & skf18("2","2","10","10","6","5","1") = "9"
    & skf18("2","2","10","10","6","6","1") = "9"
    & skf18("2","2","10","10","6","7","1") = "9"
    & skf18("2","2","10","10","6","8","1") = "9"
    & skf18("2","2","10","10","6","9","1") = "9"
    & skf18("2","2","10","10","6","10","1") = "9"
    & skf18("2","2","10","10","7","1","1") = "9"
    & skf18("2","2","10","10","7","2","1") = "9"
    & skf18("2","2","10","10","7","3","1") = "9"
    & skf18("2","2","10","10","7","4","1") = "9"
    & skf18("2","2","10","10","7","5","1") = "9"
    & skf18("2","2","10","10","7","6","1") = "9"
    & skf18("2","2","10","10","7","7","1") = "9"
    & skf18("2","2","10","10","7","8","1") = "9"
    & skf18("2","2","10","10","7","9","1") = "9"
    & skf18("2","2","10","10","7","10","1") = "9"
    & skf18("2","2","10","10","8","1","1") = "9"
    & skf18("2","2","10","10","8","2","1") = "9"
    & skf18("2","2","10","10","8","3","1") = "9"
    & skf18("2","2","10","10","8","4","1") = "9"
    & skf18("2","2","10","10","8","5","1") = "9"
    & skf18("2","2","10","10","8","6","1") = "9"
    & skf18("2","2","10","10","8","7","1") = "9"
    & skf18("2","2","10","10","8","8","1") = "9"
    & skf18("2","2","10","10","8","9","1") = "9"
    & skf18("2","2","10","10","8","10","1") = "9"
    & skf18("2","2","10","10","9","1","1") = "9"
    & skf18("2","2","10","10","9","2","1") = "9"
    & skf18("2","2","10","10","9","3","1") = "9"
    & skf18("2","2","10","10","9","4","1") = "9"
    & skf18("2","2","10","10","9","5","1") = "9"
    & skf18("2","2","10","10","9","6","1") = "9"
    & skf18("2","2","10","10","9","7","1") = "9"
    & skf18("2","2","10","10","9","8","1") = "9"
    & skf18("2","2","10","10","9","9","1") = "9"
    & skf18("2","2","10","10","9","10","1") = "9"
    & skf18("2","2","10","10","10","1","1") = "9"
    & skf18("2","2","10","10","10","2","1") = "9"
    & skf18("2","2","10","10","10","3","1") = "9"
    & skf18("2","2","10","10","10","4","1") = "9"
    & skf18("2","2","10","10","10","5","1") = "9"
    & skf18("2","2","10","10","10","6","1") = "9"
    & skf18("2","2","10","10","10","7","1") = "9"
    & skf18("2","2","10","10","10","8","1") = "9"
    & skf18("2","2","10","10","10","9","1") = "9"
    & skf18("2","2","10","10","10","10","1") = "9"
    & skf18("2","3","1","1","1","1","1") = "2"
    & skf18("2","3","1","1","1","2","1") = "2"
    & skf18("2","3","1","1","1","3","1") = "2"
    & skf18("2","3","1","1","1","4","1") = "3"
    & skf18("2","3","1","1","1","5","1") = "4"
    & skf18("2","3","1","1","1","6","1") = "5"
    & skf18("2","3","1","1","1","7","1") = "6"
    & skf18("2","3","1","1","1","8","1") = "7"
    & skf18("2","3","1","1","1","9","1") = "8"
    & skf18("2","3","1","1","1","10","1") = "9"
    & skf18("2","3","1","1","2","1","1") = "2"
    & skf18("2","3","1","1","2","2","1") = "2"
    & skf18("2","3","1","1","2","3","1") = "2"
    & skf18("2","3","1","1","2","4","1") = "3"
    & skf18("2","3","1","1","2","5","1") = "4"
    & skf18("2","3","1","1","2","6","1") = "5"
    & skf18("2","3","1","1","2","7","1") = "6"
    & skf18("2","3","1","1","2","8","1") = "7"
    & skf18("2","3","1","1","2","9","1") = "8"
    & skf18("2","3","1","1","2","10","1") = "9"
    & skf18("2","3","1","1","3","1","1") = "2"
    & skf18("2","3","1","1","3","2","1") = "2"
    & skf18("2","3","1","1","3","3","1") = "2"
    & skf18("2","3","1","1","3","4","1") = "3"
    & skf18("2","3","1","1","3","5","1") = "4"
    & skf18("2","3","1","1","3","6","1") = "5"
    & skf18("2","3","1","1","3","7","1") = "6"
    & skf18("2","3","1","1","3","8","1") = "7"
    & skf18("2","3","1","1","3","9","1") = "8"
    & skf18("2","3","1","1","3","10","1") = "9"
    & skf18("2","3","1","1","4","1","1") = "3"
    & skf18("2","3","1","1","4","2","1") = "3"
    & skf18("2","3","1","1","4","3","1") = "3"
    & skf18("2","3","1","1","4","4","1") = "3"
    & skf18("2","3","1","1","4","5","1") = "4"
    & skf18("2","3","1","1","4","6","1") = "5"
    & skf18("2","3","1","1","4","7","1") = "6"
    & skf18("2","3","1","1","4","8","1") = "7"
    & skf18("2","3","1","1","4","9","1") = "8"
    & skf18("2","3","1","1","4","10","1") = "9"
    & skf18("2","3","1","1","5","1","1") = "4"
    & skf18("2","3","1","1","5","2","1") = "4"
    & skf18("2","3","1","1","5","3","1") = "4"
    & skf18("2","3","1","1","5","4","1") = "4"
    & skf18("2","3","1","1","5","5","1") = "4"
    & skf18("2","3","1","1","5","6","1") = "5"
    & skf18("2","3","1","1","5","7","1") = "6"
    & skf18("2","3","1","1","5","8","1") = "7"
    & skf18("2","3","1","1","5","9","1") = "8"
    & skf18("2","3","1","1","5","10","1") = "9"
    & skf18("2","3","1","1","6","1","1") = "5"
    & skf18("2","3","1","1","6","2","1") = "5"
    & skf18("2","3","1","1","6","3","1") = "5"
    & skf18("2","3","1","1","6","4","1") = "5"
    & skf18("2","3","1","1","6","5","1") = "5"
    & skf18("2","3","1","1","6","6","1") = "5"
    & skf18("2","3","1","1","6","7","1") = "6"
    & skf18("2","3","1","1","6","8","1") = "7"
    & skf18("2","3","1","1","6","9","1") = "8"
    & skf18("2","3","1","1","6","10","1") = "9"
    & skf18("2","3","1","1","7","1","1") = "6"
    & skf18("2","3","1","1","7","2","1") = "6"
    & skf18("2","3","1","1","7","3","1") = "6"
    & skf18("2","3","1","1","7","4","1") = "6"
    & skf18("2","3","1","1","7","5","1") = "6"
    & skf18("2","3","1","1","7","6","1") = "6"
    & skf18("2","3","1","1","7","7","1") = "6"
    & skf18("2","3","1","1","7","8","1") = "7"
    & skf18("2","3","1","1","7","9","1") = "8"
    & skf18("2","3","1","1","7","10","1") = "9"
    & skf18("2","3","1","1","8","1","1") = "7"
    & skf18("2","3","1","1","8","2","1") = "7"
    & skf18("2","3","1","1","8","3","1") = "7"
    & skf18("2","3","1","1","8","4","1") = "7"
    & skf18("2","3","1","1","8","5","1") = "7"
    & skf18("2","3","1","1","8","6","1") = "7"
    & skf18("2","3","1","1","8","7","1") = "7"
    & skf18("2","3","1","1","8","8","1") = "7"
    & skf18("2","3","1","1","8","9","1") = "8"
    & skf18("2","3","1","1","8","10","1") = "9"
    & skf18("2","3","1","1","9","1","1") = "8"
    & skf18("2","3","1","1","9","2","1") = "8"
    & skf18("2","3","1","1","9","3","1") = "8"
    & skf18("2","3","1","1","9","4","1") = "8"
    & skf18("2","3","1","1","9","5","1") = "8"
    & skf18("2","3","1","1","9","6","1") = "8"
    & skf18("2","3","1","1","9","7","1") = "8"
    & skf18("2","3","1","1","9","8","1") = "8"
    & skf18("2","3","1","1","9","9","1") = "8"
    & skf18("2","3","1","1","9","10","1") = "9"
    & skf18("2","3","1","1","10","1","1") = "9"
    & skf18("2","3","1","1","10","2","1") = "9"
    & skf18("2","3","1","1","10","3","1") = "9"
    & skf18("2","3","1","1","10","4","1") = "9"
    & skf18("2","3","1","1","10","5","1") = "9"
    & skf18("2","3","1","1","10","6","1") = "9"
    & skf18("2","3","1","1","10","7","1") = "9"
    & skf18("2","3","1","1","10","8","1") = "9"
    & skf18("2","3","1","1","10","9","1") = "9"
    & skf18("2","3","1","1","10","10","1") = "9"
    & skf18("2","3","1","2","1","1","1") = "2"
    & skf18("2","3","1","2","1","2","1") = "2"
    & skf18("2","3","1","2","1","3","1") = "2"
    & skf18("2","3","1","2","1","4","1") = "3"
    & skf18("2","3","1","2","1","5","1") = "4"
    & skf18("2","3","1","2","1","6","1") = "5"
    & skf18("2","3","1","2","1","7","1") = "6"
    & skf18("2","3","1","2","1","8","1") = "7"
    & skf18("2","3","1","2","1","9","1") = "8"
    & skf18("2","3","1","2","1","10","1") = "9"
    & skf18("2","3","1","2","2","1","1") = "2"
    & skf18("2","3","1","2","2","2","1") = "2"
    & skf18("2","3","1","2","2","3","1") = "2"
    & skf18("2","3","1","2","2","4","1") = "3"
    & skf18("2","3","1","2","2","5","1") = "4"
    & skf18("2","3","1","2","2","6","1") = "5"
    & skf18("2","3","1","2","2","7","1") = "6"
    & skf18("2","3","1","2","2","8","1") = "7"
    & skf18("2","3","1","2","2","9","1") = "8"
    & skf18("2","3","1","2","2","10","1") = "9"
    & skf18("2","3","1","2","3","1","1") = "2"
    & skf18("2","3","1","2","3","2","1") = "2"
    & skf18("2","3","1","2","3","3","1") = "2"
    & skf18("2","3","1","2","3","4","1") = "3"
    & skf18("2","3","1","2","3","5","1") = "4"
    & skf18("2","3","1","2","3","6","1") = "5"
    & skf18("2","3","1","2","3","7","1") = "6"
    & skf18("2","3","1","2","3","8","1") = "7"
    & skf18("2","3","1","2","3","9","1") = "8"
    & skf18("2","3","1","2","3","10","1") = "9"
    & skf18("2","3","1","2","4","1","1") = "3"
    & skf18("2","3","1","2","4","2","1") = "3"
    & skf18("2","3","1","2","4","3","1") = "3"
    & skf18("2","3","1","2","4","4","1") = "3"
    & skf18("2","3","1","2","4","5","1") = "4"
    & skf18("2","3","1","2","4","6","1") = "5"
    & skf18("2","3","1","2","4","7","1") = "6"
    & skf18("2","3","1","2","4","8","1") = "7"
    & skf18("2","3","1","2","4","9","1") = "8"
    & skf18("2","3","1","2","4","10","1") = "9"
    & skf18("2","3","1","2","5","1","1") = "4"
    & skf18("2","3","1","2","5","2","1") = "4"
    & skf18("2","3","1","2","5","3","1") = "4"
    & skf18("2","3","1","2","5","4","1") = "4"
    & skf18("2","3","1","2","5","5","1") = "4"
    & skf18("2","3","1","2","5","6","1") = "5"
    & skf18("2","3","1","2","5","7","1") = "6"
    & skf18("2","3","1","2","5","8","1") = "7"
    & skf18("2","3","1","2","5","9","1") = "8"
    & skf18("2","3","1","2","5","10","1") = "9"
    & skf18("2","3","1","2","6","1","1") = "5"
    & skf18("2","3","1","2","6","2","1") = "5"
    & skf18("2","3","1","2","6","3","1") = "5"
    & skf18("2","3","1","2","6","4","1") = "5"
    & skf18("2","3","1","2","6","5","1") = "5"
    & skf18("2","3","1","2","6","6","1") = "5"
    & skf18("2","3","1","2","6","7","1") = "6"
    & skf18("2","3","1","2","6","8","1") = "7"
    & skf18("2","3","1","2","6","9","1") = "8"
    & skf18("2","3","1","2","6","10","1") = "9"
    & skf18("2","3","1","2","7","1","1") = "6"
    & skf18("2","3","1","2","7","2","1") = "6"
    & skf18("2","3","1","2","7","3","1") = "6"
    & skf18("2","3","1","2","7","4","1") = "6"
    & skf18("2","3","1","2","7","5","1") = "6"
    & skf18("2","3","1","2","7","6","1") = "6"
    & skf18("2","3","1","2","7","7","1") = "6"
    & skf18("2","3","1","2","7","8","1") = "7"
    & skf18("2","3","1","2","7","9","1") = "8"
    & skf18("2","3","1","2","7","10","1") = "9"
    & skf18("2","3","1","2","8","1","1") = "7"
    & skf18("2","3","1","2","8","2","1") = "7"
    & skf18("2","3","1","2","8","3","1") = "7"
    & skf18("2","3","1","2","8","4","1") = "7"
    & skf18("2","3","1","2","8","5","1") = "7"
    & skf18("2","3","1","2","8","6","1") = "7"
    & skf18("2","3","1","2","8","7","1") = "7"
    & skf18("2","3","1","2","8","8","1") = "7"
    & skf18("2","3","1","2","8","9","1") = "8"
    & skf18("2","3","1","2","8","10","1") = "9"
    & skf18("2","3","1","2","9","1","1") = "8"
    & skf18("2","3","1","2","9","2","1") = "8"
    & skf18("2","3","1","2","9","3","1") = "8"
    & skf18("2","3","1","2","9","4","1") = "8"
    & skf18("2","3","1","2","9","5","1") = "8"
    & skf18("2","3","1","2","9","6","1") = "8"
    & skf18("2","3","1","2","9","7","1") = "8"
    & skf18("2","3","1","2","9","8","1") = "8"
    & skf18("2","3","1","2","9","9","1") = "8"
    & skf18("2","3","1","2","9","10","1") = "9"
    & skf18("2","3","1","2","10","1","1") = "9"
    & skf18("2","3","1","2","10","2","1") = "9"
    & skf18("2","3","1","2","10","3","1") = "9"
    & skf18("2","3","1","2","10","4","1") = "9"
    & skf18("2","3","1","2","10","5","1") = "9"
    & skf18("2","3","1","2","10","6","1") = "9"
    & skf18("2","3","1","2","10","7","1") = "9"
    & skf18("2","3","1","2","10","8","1") = "9"
    & skf18("2","3","1","2","10","9","1") = "9"
    & skf18("2","3","1","2","10","10","1") = "9"
    & skf18("2","3","1","3","1","1","1") = "2"
    & skf18("2","3","1","3","1","2","1") = "1"
    & skf18("2","3","1","3","1","3","1") = "2"
    & skf18("2","3","1","3","1","4","1") = "3"
    & skf18("2","3","1","3","1","5","1") = "4"
    & skf18("2","3","1","3","1","6","1") = "5"
    & skf18("2","3","1","3","1","7","1") = "6"
    & skf18("2","3","1","3","1","8","1") = "7"
    & skf18("2","3","1","3","1","9","1") = "8"
    & skf18("2","3","1","3","1","10","1") = "9"
    & skf18("2","3","1","3","2","1","1") = "2"
    & skf18("2","3","1","3","2","2","1") = "2"
    & skf18("2","3","1","3","2","3","1") = "2"
    & skf18("2","3","1","3","2","4","1") = "3"
    & skf18("2","3","1","3","2","5","1") = "4"
    & skf18("2","3","1","3","2","6","1") = "5"
    & skf18("2","3","1","3","2","7","1") = "6"
    & skf18("2","3","1","3","2","8","1") = "7"
    & skf18("2","3","1","3","2","9","1") = "8"
    & skf18("2","3","1","3","2","10","1") = "9"
    & skf18("2","3","1","3","3","1","1") = "2"
    & skf18("2","3","1","3","3","2","1") = "2"
    & skf18("2","3","1","3","3","3","1") = "2"
    & skf18("2","3","1","3","3","4","1") = "3"
    & skf18("2","3","1","3","3","5","1") = "4"
    & skf18("2","3","1","3","3","6","1") = "5"
    & skf18("2","3","1","3","3","7","1") = "6"
    & skf18("2","3","1","3","3","8","1") = "7"
    & skf18("2","3","1","3","3","9","1") = "8"
    & skf18("2","3","1","3","3","10","1") = "9"
    & skf18("2","3","1","3","4","1","1") = "3"
    & skf18("2","3","1","3","4","2","1") = "3"
    & skf18("2","3","1","3","4","3","1") = "3"
    & skf18("2","3","1","3","4","4","1") = "3"
    & skf18("2","3","1","3","4","5","1") = "4"
    & skf18("2","3","1","3","4","6","1") = "5"
    & skf18("2","3","1","3","4","7","1") = "6"
    & skf18("2","3","1","3","4","8","1") = "7"
    & skf18("2","3","1","3","4","9","1") = "8"
    & skf18("2","3","1","3","4","10","1") = "9"
    & skf18("2","3","1","3","5","1","1") = "4"
    & skf18("2","3","1","3","5","2","1") = "4"
    & skf18("2","3","1","3","5","3","1") = "4"
    & skf18("2","3","1","3","5","4","1") = "4"
    & skf18("2","3","1","3","5","5","1") = "4"
    & skf18("2","3","1","3","5","6","1") = "5"
    & skf18("2","3","1","3","5","7","1") = "6"
    & skf18("2","3","1","3","5","8","1") = "7"
    & skf18("2","3","1","3","5","9","1") = "8"
    & skf18("2","3","1","3","5","10","1") = "9"
    & skf18("2","3","1","3","6","1","1") = "5"
    & skf18("2","3","1","3","6","2","1") = "5"
    & skf18("2","3","1","3","6","3","1") = "5"
    & skf18("2","3","1","3","6","4","1") = "5"
    & skf18("2","3","1","3","6","5","1") = "5"
    & skf18("2","3","1","3","6","6","1") = "5"
    & skf18("2","3","1","3","6","7","1") = "6"
    & skf18("2","3","1","3","6","8","1") = "7"
    & skf18("2","3","1","3","6","9","1") = "8"
    & skf18("2","3","1","3","6","10","1") = "9"
    & skf18("2","3","1","3","7","1","1") = "6"
    & skf18("2","3","1","3","7","2","1") = "6"
    & skf18("2","3","1","3","7","3","1") = "6"
    & skf18("2","3","1","3","7","4","1") = "6"
    & skf18("2","3","1","3","7","5","1") = "6"
    & skf18("2","3","1","3","7","6","1") = "6"
    & skf18("2","3","1","3","7","7","1") = "6"
    & skf18("2","3","1","3","7","8","1") = "7"
    & skf18("2","3","1","3","7","9","1") = "8"
    & skf18("2","3","1","3","7","10","1") = "9"
    & skf18("2","3","1","3","8","1","1") = "7"
    & skf18("2","3","1","3","8","2","1") = "7"
    & skf18("2","3","1","3","8","3","1") = "7"
    & skf18("2","3","1","3","8","4","1") = "7"
    & skf18("2","3","1","3","8","5","1") = "7"
    & skf18("2","3","1","3","8","6","1") = "7"
    & skf18("2","3","1","3","8","7","1") = "7"
    & skf18("2","3","1","3","8","8","1") = "7"
    & skf18("2","3","1","3","8","9","1") = "8"
    & skf18("2","3","1","3","8","10","1") = "9"
    & skf18("2","3","1","3","9","1","1") = "8"
    & skf18("2","3","1","3","9","2","1") = "8"
    & skf18("2","3","1","3","9","3","1") = "8"
    & skf18("2","3","1","3","9","4","1") = "8"
    & skf18("2","3","1","3","9","5","1") = "8"
    & skf18("2","3","1","3","9","6","1") = "8"
    & skf18("2","3","1","3","9","7","1") = "8"
    & skf18("2","3","1","3","9","8","1") = "8"
    & skf18("2","3","1","3","9","9","1") = "8"
    & skf18("2","3","1","3","9","10","1") = "9"
    & skf18("2","3","1","3","10","1","1") = "9"
    & skf18("2","3","1","3","10","2","1") = "9"
    & skf18("2","3","1","3","10","3","1") = "9"
    & skf18("2","3","1","3","10","4","1") = "9"
    & skf18("2","3","1","3","10","5","1") = "9"
    & skf18("2","3","1","3","10","6","1") = "9"
    & skf18("2","3","1","3","10","7","1") = "9"
    & skf18("2","3","1","3","10","8","1") = "9"
    & skf18("2","3","1","3","10","9","1") = "9"
    & skf18("2","3","1","3","10","10","1") = "9"
    & skf18("2","3","1","4","1","1","1") = "3"
    & skf18("2","3","1","4","1","2","1") = "3"
    & skf18("2","3","1","4","1","3","1") = "3"
    & skf18("2","3","1","4","1","4","1") = "3"
    & skf18("2","3","1","4","1","5","1") = "4"
    & skf18("2","3","1","4","1","6","1") = "5"
    & skf18("2","3","1","4","1","7","1") = "6"
    & skf18("2","3","1","4","1","8","1") = "7"
    & skf18("2","3","1","4","1","9","1") = "8"
    & skf18("2","3","1","4","1","10","1") = "9"
    & skf18("2","3","1","4","2","1","1") = "3"
    & skf18("2","3","1","4","2","2","1") = "3"
    & skf18("2","3","1","4","2","3","1") = "3"
    & skf18("2","3","1","4","2","4","1") = "3"
    & skf18("2","3","1","4","2","5","1") = "4"
    & skf18("2","3","1","4","2","6","1") = "5"
    & skf18("2","3","1","4","2","7","1") = "6"
    & skf18("2","3","1","4","2","8","1") = "7"
    & skf18("2","3","1","4","2","9","1") = "8"
    & skf18("2","3","1","4","2","10","1") = "9"
    & skf18("2","3","1","4","3","1","1") = "3"
    & skf18("2","3","1","4","3","2","1") = "3"
    & skf18("2","3","1","4","3","3","1") = "3"
    & skf18("2","3","1","4","3","4","1") = "3"
    & skf18("2","3","1","4","3","5","1") = "4"
    & skf18("2","3","1","4","3","6","1") = "5"
    & skf18("2","3","1","4","3","7","1") = "6"
    & skf18("2","3","1","4","3","8","1") = "7"
    & skf18("2","3","1","4","3","9","1") = "8"
    & skf18("2","3","1","4","3","10","1") = "9"
    & skf18("2","3","1","4","4","1","1") = "3"
    & skf18("2","3","1","4","4","2","1") = "3"
    & skf18("2","3","1","4","4","3","1") = "3"
    & skf18("2","3","1","4","4","4","1") = "3"
    & skf18("2","3","1","4","4","5","1") = "4"
    & skf18("2","3","1","4","4","6","1") = "5"
    & skf18("2","3","1","4","4","7","1") = "6"
    & skf18("2","3","1","4","4","8","1") = "7"
    & skf18("2","3","1","4","4","9","1") = "8"
    & skf18("2","3","1","4","4","10","1") = "9"
    & skf18("2","3","1","4","5","1","1") = "4"
    & skf18("2","3","1","4","5","2","1") = "4"
    & skf18("2","3","1","4","5","3","1") = "4"
    & skf18("2","3","1","4","5","4","1") = "4"
    & skf18("2","3","1","4","5","5","1") = "4"
    & skf18("2","3","1","4","5","6","1") = "5"
    & skf18("2","3","1","4","5","7","1") = "6"
    & skf18("2","3","1","4","5","8","1") = "7"
    & skf18("2","3","1","4","5","9","1") = "8"
    & skf18("2","3","1","4","5","10","1") = "9"
    & skf18("2","3","1","4","6","1","1") = "5"
    & skf18("2","3","1","4","6","2","1") = "5"
    & skf18("2","3","1","4","6","3","1") = "5"
    & skf18("2","3","1","4","6","4","1") = "5"
    & skf18("2","3","1","4","6","5","1") = "5"
    & skf18("2","3","1","4","6","6","1") = "5"
    & skf18("2","3","1","4","6","7","1") = "6"
    & skf18("2","3","1","4","6","8","1") = "7"
    & skf18("2","3","1","4","6","9","1") = "8"
    & skf18("2","3","1","4","6","10","1") = "9"
    & skf18("2","3","1","4","7","1","1") = "6"
    & skf18("2","3","1","4","7","2","1") = "6"
    & skf18("2","3","1","4","7","3","1") = "6"
    & skf18("2","3","1","4","7","4","1") = "6"
    & skf18("2","3","1","4","7","5","1") = "6"
    & skf18("2","3","1","4","7","6","1") = "6"
    & skf18("2","3","1","4","7","7","1") = "6"
    & skf18("2","3","1","4","7","8","1") = "7"
    & skf18("2","3","1","4","7","9","1") = "8"
    & skf18("2","3","1","4","7","10","1") = "9"
    & skf18("2","3","1","4","8","1","1") = "7"
    & skf18("2","3","1","4","8","2","1") = "7"
    & skf18("2","3","1","4","8","3","1") = "7"
    & skf18("2","3","1","4","8","4","1") = "7"
    & skf18("2","3","1","4","8","5","1") = "7"
    & skf18("2","3","1","4","8","6","1") = "7"
    & skf18("2","3","1","4","8","7","1") = "7"
    & skf18("2","3","1","4","8","8","1") = "7"
    & skf18("2","3","1","4","8","9","1") = "8"
    & skf18("2","3","1","4","8","10","1") = "9"
    & skf18("2","3","1","4","9","1","1") = "8"
    & skf18("2","3","1","4","9","2","1") = "8"
    & skf18("2","3","1","4","9","3","1") = "8"
    & skf18("2","3","1","4","9","4","1") = "8"
    & skf18("2","3","1","4","9","5","1") = "8"
    & skf18("2","3","1","4","9","6","1") = "8"
    & skf18("2","3","1","4","9","7","1") = "8"
    & skf18("2","3","1","4","9","8","1") = "8"
    & skf18("2","3","1","4","9","9","1") = "8"
    & skf18("2","3","1","4","9","10","1") = "9"
    & skf18("2","3","1","4","10","1","1") = "9"
    & skf18("2","3","1","4","10","2","1") = "9"
    & skf18("2","3","1","4","10","3","1") = "9"
    & skf18("2","3","1","4","10","4","1") = "9"
    & skf18("2","3","1","4","10","5","1") = "9"
    & skf18("2","3","1","4","10","6","1") = "9"
    & skf18("2","3","1","4","10","7","1") = "9"
    & skf18("2","3","1","4","10","8","1") = "9"
    & skf18("2","3","1","4","10","9","1") = "9"
    & skf18("2","3","1","4","10","10","1") = "9"
    & skf18("2","3","1","5","1","1","1") = "4"
    & skf18("2","3","1","5","1","2","1") = "4"
    & skf18("2","3","1","5","1","3","1") = "4"
    & skf18("2","3","1","5","1","4","1") = "4"
    & skf18("2","3","1","5","1","5","1") = "4"
    & skf18("2","3","1","5","1","6","1") = "5"
    & skf18("2","3","1","5","1","7","1") = "6"
    & skf18("2","3","1","5","1","8","1") = "7"
    & skf18("2","3","1","5","1","9","1") = "8"
    & skf18("2","3","1","5","1","10","1") = "9"
    & skf18("2","3","1","5","2","1","1") = "4"
    & skf18("2","3","1","5","2","2","1") = "4"
    & skf18("2","3","1","5","2","3","1") = "4"
    & skf18("2","3","1","5","2","4","1") = "4"
    & skf18("2","3","1","5","2","5","1") = "4"
    & skf18("2","3","1","5","2","6","1") = "5"
    & skf18("2","3","1","5","2","7","1") = "6"
    & skf18("2","3","1","5","2","8","1") = "7"
    & skf18("2","3","1","5","2","9","1") = "8"
    & skf18("2","3","1","5","2","10","1") = "9"
    & skf18("2","3","1","5","3","1","1") = "4"
    & skf18("2","3","1","5","3","2","1") = "4"
    & skf18("2","3","1","5","3","3","1") = "4"
    & skf18("2","3","1","5","3","4","1") = "4"
    & skf18("2","3","1","5","3","5","1") = "4"
    & skf18("2","3","1","5","3","6","1") = "5"
    & skf18("2","3","1","5","3","7","1") = "6"
    & skf18("2","3","1","5","3","8","1") = "7"
    & skf18("2","3","1","5","3","9","1") = "8"
    & skf18("2","3","1","5","3","10","1") = "9"
    & skf18("2","3","1","5","4","1","1") = "4"
    & skf18("2","3","1","5","4","2","1") = "4"
    & skf18("2","3","1","5","4","3","1") = "4"
    & skf18("2","3","1","5","4","4","1") = "4"
    & skf18("2","3","1","5","4","5","1") = "4"
    & skf18("2","3","1","5","4","6","1") = "5"
    & skf18("2","3","1","5","4","7","1") = "6"
    & skf18("2","3","1","5","4","8","1") = "7"
    & skf18("2","3","1","5","4","9","1") = "8"
    & skf18("2","3","1","5","4","10","1") = "9"
    & skf18("2","3","1","5","5","1","1") = "4"
    & skf18("2","3","1","5","5","2","1") = "4"
    & skf18("2","3","1","5","5","3","1") = "4"
    & skf18("2","3","1","5","5","4","1") = "4"
    & skf18("2","3","1","5","5","5","1") = "4"
    & skf18("2","3","1","5","5","6","1") = "5"
    & skf18("2","3","1","5","5","7","1") = "6"
    & skf18("2","3","1","5","5","8","1") = "7"
    & skf18("2","3","1","5","5","9","1") = "8"
    & skf18("2","3","1","5","5","10","1") = "9"
    & skf18("2","3","1","5","6","1","1") = "5"
    & skf18("2","3","1","5","6","2","1") = "5"
    & skf18("2","3","1","5","6","3","1") = "5"
    & skf18("2","3","1","5","6","4","1") = "5"
    & skf18("2","3","1","5","6","5","1") = "5"
    & skf18("2","3","1","5","6","6","1") = "5"
    & skf18("2","3","1","5","6","7","1") = "6"
    & skf18("2","3","1","5","6","8","1") = "7"
    & skf18("2","3","1","5","6","9","1") = "8"
    & skf18("2","3","1","5","6","10","1") = "9"
    & skf18("2","3","1","5","7","1","1") = "6"
    & skf18("2","3","1","5","7","2","1") = "6"
    & skf18("2","3","1","5","7","3","1") = "6"
    & skf18("2","3","1","5","7","4","1") = "6"
    & skf18("2","3","1","5","7","5","1") = "6"
    & skf18("2","3","1","5","7","6","1") = "6"
    & skf18("2","3","1","5","7","7","1") = "6"
    & skf18("2","3","1","5","7","8","1") = "7"
    & skf18("2","3","1","5","7","9","1") = "8"
    & skf18("2","3","1","5","7","10","1") = "9"
    & skf18("2","3","1","5","8","1","1") = "7"
    & skf18("2","3","1","5","8","2","1") = "7"
    & skf18("2","3","1","5","8","3","1") = "7"
    & skf18("2","3","1","5","8","4","1") = "7"
    & skf18("2","3","1","5","8","5","1") = "7"
    & skf18("2","3","1","5","8","6","1") = "7"
    & skf18("2","3","1","5","8","7","1") = "7"
    & skf18("2","3","1","5","8","8","1") = "7"
    & skf18("2","3","1","5","8","9","1") = "8"
    & skf18("2","3","1","5","8","10","1") = "9"
    & skf18("2","3","1","5","9","1","1") = "8"
    & skf18("2","3","1","5","9","2","1") = "8"
    & skf18("2","3","1","5","9","3","1") = "8"
    & skf18("2","3","1","5","9","4","1") = "8"
    & skf18("2","3","1","5","9","5","1") = "8"
    & skf18("2","3","1","5","9","6","1") = "8"
    & skf18("2","3","1","5","9","7","1") = "8"
    & skf18("2","3","1","5","9","8","1") = "8"
    & skf18("2","3","1","5","9","9","1") = "8"
    & skf18("2","3","1","5","9","10","1") = "9"
    & skf18("2","3","1","5","10","1","1") = "9"
    & skf18("2","3","1","5","10","2","1") = "9"
    & skf18("2","3","1","5","10","3","1") = "9"
    & skf18("2","3","1","5","10","4","1") = "9"
    & skf18("2","3","1","5","10","5","1") = "9"
    & skf18("2","3","1","5","10","6","1") = "9"
    & skf18("2","3","1","5","10","7","1") = "9"
    & skf18("2","3","1","5","10","8","1") = "9"
    & skf18("2","3","1","5","10","9","1") = "9"
    & skf18("2","3","1","5","10","10","1") = "9"
    & skf18("2","3","1","6","1","1","1") = "5"
    & skf18("2","3","1","6","1","2","1") = "5"
    & skf18("2","3","1","6","1","3","1") = "5"
    & skf18("2","3","1","6","1","4","1") = "5"
    & skf18("2","3","1","6","1","5","1") = "5"
    & skf18("2","3","1","6","1","6","1") = "5"
    & skf18("2","3","1","6","1","7","1") = "6"
    & skf18("2","3","1","6","1","8","1") = "7"
    & skf18("2","3","1","6","1","9","1") = "8"
    & skf18("2","3","1","6","1","10","1") = "9"
    & skf18("2","3","1","6","2","1","1") = "5"
    & skf18("2","3","1","6","2","2","1") = "5"
    & skf18("2","3","1","6","2","3","1") = "5"
    & skf18("2","3","1","6","2","4","1") = "5"
    & skf18("2","3","1","6","2","5","1") = "5"
    & skf18("2","3","1","6","2","6","1") = "5"
    & skf18("2","3","1","6","2","7","1") = "6"
    & skf18("2","3","1","6","2","8","1") = "7"
    & skf18("2","3","1","6","2","9","1") = "8"
    & skf18("2","3","1","6","2","10","1") = "9"
    & skf18("2","3","1","6","3","1","1") = "5"
    & skf18("2","3","1","6","3","2","1") = "5"
    & skf18("2","3","1","6","3","3","1") = "5"
    & skf18("2","3","1","6","3","4","1") = "5"
    & skf18("2","3","1","6","3","5","1") = "5"
    & skf18("2","3","1","6","3","6","1") = "5"
    & skf18("2","3","1","6","3","7","1") = "6"
    & skf18("2","3","1","6","3","8","1") = "7"
    & skf18("2","3","1","6","3","9","1") = "8"
    & skf18("2","3","1","6","3","10","1") = "9"
    & skf18("2","3","1","6","4","1","1") = "5"
    & skf18("2","3","1","6","4","2","1") = "5"
    & skf18("2","3","1","6","4","3","1") = "5"
    & skf18("2","3","1","6","4","4","1") = "5"
    & skf18("2","3","1","6","4","5","1") = "5"
    & skf18("2","3","1","6","4","6","1") = "5"
    & skf18("2","3","1","6","4","7","1") = "6"
    & skf18("2","3","1","6","4","8","1") = "7"
    & skf18("2","3","1","6","4","9","1") = "8"
    & skf18("2","3","1","6","4","10","1") = "9"
    & skf18("2","3","1","6","5","1","1") = "5"
    & skf18("2","3","1","6","5","2","1") = "5"
    & skf18("2","3","1","6","5","3","1") = "5"
    & skf18("2","3","1","6","5","4","1") = "5"
    & skf18("2","3","1","6","5","5","1") = "5"
    & skf18("2","3","1","6","5","6","1") = "5"
    & skf18("2","3","1","6","5","7","1") = "6"
    & skf18("2","3","1","6","5","8","1") = "7"
    & skf18("2","3","1","6","5","9","1") = "8"
    & skf18("2","3","1","6","5","10","1") = "9"
    & skf18("2","3","1","6","6","1","1") = "5"
    & skf18("2","3","1","6","6","2","1") = "5"
    & skf18("2","3","1","6","6","3","1") = "5"
    & skf18("2","3","1","6","6","4","1") = "5"
    & skf18("2","3","1","6","6","5","1") = "5"
    & skf18("2","3","1","6","6","6","1") = "5"
    & skf18("2","3","1","6","6","7","1") = "6"
    & skf18("2","3","1","6","6","8","1") = "7"
    & skf18("2","3","1","6","6","9","1") = "8"
    & skf18("2","3","1","6","6","10","1") = "9"
    & skf18("2","3","1","6","7","1","1") = "6"
    & skf18("2","3","1","6","7","2","1") = "6"
    & skf18("2","3","1","6","7","3","1") = "6"
    & skf18("2","3","1","6","7","4","1") = "6"
    & skf18("2","3","1","6","7","5","1") = "6"
    & skf18("2","3","1","6","7","6","1") = "6"
    & skf18("2","3","1","6","7","7","1") = "6"
    & skf18("2","3","1","6","7","8","1") = "7"
    & skf18("2","3","1","6","7","9","1") = "8"
    & skf18("2","3","1","6","7","10","1") = "9"
    & skf18("2","3","1","6","8","1","1") = "7"
    & skf18("2","3","1","6","8","2","1") = "7"
    & skf18("2","3","1","6","8","3","1") = "7"
    & skf18("2","3","1","6","8","4","1") = "7"
    & skf18("2","3","1","6","8","5","1") = "7"
    & skf18("2","3","1","6","8","6","1") = "7"
    & skf18("2","3","1","6","8","7","1") = "7"
    & skf18("2","3","1","6","8","8","1") = "7"
    & skf18("2","3","1","6","8","9","1") = "8"
    & skf18("2","3","1","6","8","10","1") = "9"
    & skf18("2","3","1","6","9","1","1") = "8"
    & skf18("2","3","1","6","9","2","1") = "8"
    & skf18("2","3","1","6","9","3","1") = "8"
    & skf18("2","3","1","6","9","4","1") = "8"
    & skf18("2","3","1","6","9","5","1") = "8"
    & skf18("2","3","1","6","9","6","1") = "8"
    & skf18("2","3","1","6","9","7","1") = "8"
    & skf18("2","3","1","6","9","8","1") = "8"
    & skf18("2","3","1","6","9","9","1") = "8"
    & skf18("2","3","1","6","9","10","1") = "9"
    & skf18("2","3","1","6","10","1","1") = "9"
    & skf18("2","3","1","6","10","2","1") = "9"
    & skf18("2","3","1","6","10","3","1") = "9"
    & skf18("2","3","1","6","10","4","1") = "9"
    & skf18("2","3","1","6","10","5","1") = "9"
    & skf18("2","3","1","6","10","6","1") = "9"
    & skf18("2","3","1","6","10","7","1") = "9"
    & skf18("2","3","1","6","10","8","1") = "9"
    & skf18("2","3","1","6","10","9","1") = "9"
    & skf18("2","3","1","6","10","10","1") = "9"
    & skf18("2","3","1","7","1","1","1") = "6"
    & skf18("2","3","1","7","1","2","1") = "6"
    & skf18("2","3","1","7","1","3","1") = "6"
    & skf18("2","3","1","7","1","4","1") = "6"
    & skf18("2","3","1","7","1","5","1") = "6"
    & skf18("2","3","1","7","1","6","1") = "6"
    & skf18("2","3","1","7","1","7","1") = "6"
    & skf18("2","3","1","7","1","8","1") = "7"
    & skf18("2","3","1","7","1","9","1") = "8"
    & skf18("2","3","1","7","1","10","1") = "9"
    & skf18("2","3","1","7","2","1","1") = "6"
    & skf18("2","3","1","7","2","2","1") = "6"
    & skf18("2","3","1","7","2","3","1") = "6"
    & skf18("2","3","1","7","2","4","1") = "6"
    & skf18("2","3","1","7","2","5","1") = "6"
    & skf18("2","3","1","7","2","6","1") = "6"
    & skf18("2","3","1","7","2","7","1") = "6"
    & skf18("2","3","1","7","2","8","1") = "7"
    & skf18("2","3","1","7","2","9","1") = "8"
    & skf18("2","3","1","7","2","10","1") = "9"
    & skf18("2","3","1","7","3","1","1") = "6"
    & skf18("2","3","1","7","3","2","1") = "6"
    & skf18("2","3","1","7","3","3","1") = "6"
    & skf18("2","3","1","7","3","4","1") = "6"
    & skf18("2","3","1","7","3","5","1") = "6"
    & skf18("2","3","1","7","3","6","1") = "6"
    & skf18("2","3","1","7","3","7","1") = "6"
    & skf18("2","3","1","7","3","8","1") = "7"
    & skf18("2","3","1","7","3","9","1") = "8"
    & skf18("2","3","1","7","3","10","1") = "9"
    & skf18("2","3","1","7","4","1","1") = "6"
    & skf18("2","3","1","7","4","2","1") = "6"
    & skf18("2","3","1","7","4","3","1") = "6"
    & skf18("2","3","1","7","4","4","1") = "6"
    & skf18("2","3","1","7","4","5","1") = "6"
    & skf18("2","3","1","7","4","6","1") = "6"
    & skf18("2","3","1","7","4","7","1") = "6"
    & skf18("2","3","1","7","4","8","1") = "7"
    & skf18("2","3","1","7","4","9","1") = "8"
    & skf18("2","3","1","7","4","10","1") = "9"
    & skf18("2","3","1","7","5","1","1") = "6"
    & skf18("2","3","1","7","5","2","1") = "6"
    & skf18("2","3","1","7","5","3","1") = "6"
    & skf18("2","3","1","7","5","4","1") = "6"
    & skf18("2","3","1","7","5","5","1") = "6"
    & skf18("2","3","1","7","5","6","1") = "6"
    & skf18("2","3","1","7","5","7","1") = "6"
    & skf18("2","3","1","7","5","8","1") = "7"
    & skf18("2","3","1","7","5","9","1") = "8"
    & skf18("2","3","1","7","5","10","1") = "9"
    & skf18("2","3","1","7","6","1","1") = "6"
    & skf18("2","3","1","7","6","2","1") = "6"
    & skf18("2","3","1","7","6","3","1") = "6"
    & skf18("2","3","1","7","6","4","1") = "6"
    & skf18("2","3","1","7","6","5","1") = "6"
    & skf18("2","3","1","7","6","6","1") = "6"
    & skf18("2","3","1","7","6","7","1") = "6"
    & skf18("2","3","1","7","6","8","1") = "7"
    & skf18("2","3","1","7","6","9","1") = "8"
    & skf18("2","3","1","7","6","10","1") = "9"
    & skf18("2","3","1","7","7","1","1") = "6"
    & skf18("2","3","1","7","7","2","1") = "6"
    & skf18("2","3","1","7","7","3","1") = "6"
    & skf18("2","3","1","7","7","4","1") = "6"
    & skf18("2","3","1","7","7","5","1") = "6"
    & skf18("2","3","1","7","7","6","1") = "6"
    & skf18("2","3","1","7","7","7","1") = "6"
    & skf18("2","3","1","7","7","8","1") = "7"
    & skf18("2","3","1","7","7","9","1") = "8"
    & skf18("2","3","1","7","7","10","1") = "9"
    & skf18("2","3","1","7","8","1","1") = "7"
    & skf18("2","3","1","7","8","2","1") = "7"
    & skf18("2","3","1","7","8","3","1") = "7"
    & skf18("2","3","1","7","8","4","1") = "7"
    & skf18("2","3","1","7","8","5","1") = "7"
    & skf18("2","3","1","7","8","6","1") = "7"
    & skf18("2","3","1","7","8","7","1") = "7"
    & skf18("2","3","1","7","8","8","1") = "7"
    & skf18("2","3","1","7","8","9","1") = "8"
    & skf18("2","3","1","7","8","10","1") = "9"
    & skf18("2","3","1","7","9","1","1") = "8"
    & skf18("2","3","1","7","9","2","1") = "8"
    & skf18("2","3","1","7","9","3","1") = "8"
    & skf18("2","3","1","7","9","4","1") = "8"
    & skf18("2","3","1","7","9","5","1") = "8"
    & skf18("2","3","1","7","9","6","1") = "8"
    & skf18("2","3","1","7","9","7","1") = "8"
    & skf18("2","3","1","7","9","8","1") = "8"
    & skf18("2","3","1","7","9","9","1") = "8"
    & skf18("2","3","1","7","9","10","1") = "9"
    & skf18("2","3","1","7","10","1","1") = "9"
    & skf18("2","3","1","7","10","2","1") = "9"
    & skf18("2","3","1","7","10","3","1") = "9"
    & skf18("2","3","1","7","10","4","1") = "9"
    & skf18("2","3","1","7","10","5","1") = "9"
    & skf18("2","3","1","7","10","6","1") = "9"
    & skf18("2","3","1","7","10","7","1") = "9"
    & skf18("2","3","1","7","10","8","1") = "9"
    & skf18("2","3","1","7","10","9","1") = "9"
    & skf18("2","3","1","7","10","10","1") = "9"
    & skf18("2","3","1","8","1","1","1") = "7"
    & skf18("2","3","1","8","1","2","1") = "7"
    & skf18("2","3","1","8","1","3","1") = "7"
    & skf18("2","3","1","8","1","4","1") = "7"
    & skf18("2","3","1","8","1","5","1") = "7"
    & skf18("2","3","1","8","1","6","1") = "7"
    & skf18("2","3","1","8","1","7","1") = "7"
    & skf18("2","3","1","8","1","8","1") = "7"
    & skf18("2","3","1","8","1","9","1") = "8"
    & skf18("2","3","1","8","1","10","1") = "9"
    & skf18("2","3","1","8","2","1","1") = "7"
    & skf18("2","3","1","8","2","2","1") = "7"
    & skf18("2","3","1","8","2","3","1") = "7"
    & skf18("2","3","1","8","2","4","1") = "7"
    & skf18("2","3","1","8","2","5","1") = "7"
    & skf18("2","3","1","8","2","6","1") = "7"
    & skf18("2","3","1","8","2","7","1") = "7"
    & skf18("2","3","1","8","2","8","1") = "7"
    & skf18("2","3","1","8","2","9","1") = "8"
    & skf18("2","3","1","8","2","10","1") = "9"
    & skf18("2","3","1","8","3","1","1") = "7"
    & skf18("2","3","1","8","3","2","1") = "7"
    & skf18("2","3","1","8","3","3","1") = "7"
    & skf18("2","3","1","8","3","4","1") = "7"
    & skf18("2","3","1","8","3","5","1") = "7"
    & skf18("2","3","1","8","3","6","1") = "7"
    & skf18("2","3","1","8","3","7","1") = "7"
    & skf18("2","3","1","8","3","8","1") = "7"
    & skf18("2","3","1","8","3","9","1") = "8"
    & skf18("2","3","1","8","3","10","1") = "9"
    & skf18("2","3","1","8","4","1","1") = "7"
    & skf18("2","3","1","8","4","2","1") = "7"
    & skf18("2","3","1","8","4","3","1") = "7"
    & skf18("2","3","1","8","4","4","1") = "7"
    & skf18("2","3","1","8","4","5","1") = "7"
    & skf18("2","3","1","8","4","6","1") = "7"
    & skf18("2","3","1","8","4","7","1") = "7"
    & skf18("2","3","1","8","4","8","1") = "7"
    & skf18("2","3","1","8","4","9","1") = "8"
    & skf18("2","3","1","8","4","10","1") = "9"
    & skf18("2","3","1","8","5","1","1") = "7"
    & skf18("2","3","1","8","5","2","1") = "7"
    & skf18("2","3","1","8","5","3","1") = "7"
    & skf18("2","3","1","8","5","4","1") = "7"
    & skf18("2","3","1","8","5","5","1") = "7"
    & skf18("2","3","1","8","5","6","1") = "7"
    & skf18("2","3","1","8","5","7","1") = "7"
    & skf18("2","3","1","8","5","8","1") = "7"
    & skf18("2","3","1","8","5","9","1") = "8"
    & skf18("2","3","1","8","5","10","1") = "9"
    & skf18("2","3","1","8","6","1","1") = "7"
    & skf18("2","3","1","8","6","2","1") = "7"
    & skf18("2","3","1","8","6","3","1") = "7"
    & skf18("2","3","1","8","6","4","1") = "7"
    & skf18("2","3","1","8","6","5","1") = "7"
    & skf18("2","3","1","8","6","6","1") = "7"
    & skf18("2","3","1","8","6","7","1") = "7"
    & skf18("2","3","1","8","6","8","1") = "7"
    & skf18("2","3","1","8","6","9","1") = "8"
    & skf18("2","3","1","8","6","10","1") = "9"
    & skf18("2","3","1","8","7","1","1") = "7"
    & skf18("2","3","1","8","7","2","1") = "7"
    & skf18("2","3","1","8","7","3","1") = "7"
    & skf18("2","3","1","8","7","4","1") = "7"
    & skf18("2","3","1","8","7","5","1") = "7"
    & skf18("2","3","1","8","7","6","1") = "7"
    & skf18("2","3","1","8","7","7","1") = "7"
    & skf18("2","3","1","8","7","8","1") = "7"
    & skf18("2","3","1","8","7","9","1") = "8"
    & skf18("2","3","1","8","7","10","1") = "9"
    & skf18("2","3","1","8","8","1","1") = "7"
    & skf18("2","3","1","8","8","2","1") = "7"
    & skf18("2","3","1","8","8","3","1") = "7"
    & skf18("2","3","1","8","8","4","1") = "7"
    & skf18("2","3","1","8","8","5","1") = "7"
    & skf18("2","3","1","8","8","6","1") = "7"
    & skf18("2","3","1","8","8","7","1") = "7"
    & skf18("2","3","1","8","8","8","1") = "7"
    & skf18("2","3","1","8","8","9","1") = "8"
    & skf18("2","3","1","8","8","10","1") = "9"
    & skf18("2","3","1","8","9","1","1") = "8"
    & skf18("2","3","1","8","9","2","1") = "8"
    & skf18("2","3","1","8","9","3","1") = "8"
    & skf18("2","3","1","8","9","4","1") = "8"
    & skf18("2","3","1","8","9","5","1") = "8"
    & skf18("2","3","1","8","9","6","1") = "8"
    & skf18("2","3","1","8","9","7","1") = "8"
    & skf18("2","3","1","8","9","8","1") = "8"
    & skf18("2","3","1","8","9","9","1") = "8"
    & skf18("2","3","1","8","9","10","1") = "9"
    & skf18("2","3","1","8","10","1","1") = "9"
    & skf18("2","3","1","8","10","2","1") = "9"
    & skf18("2","3","1","8","10","3","1") = "9"
    & skf18("2","3","1","8","10","4","1") = "9"
    & skf18("2","3","1","8","10","5","1") = "9"
    & skf18("2","3","1","8","10","6","1") = "9"
    & skf18("2","3","1","8","10","7","1") = "9"
    & skf18("2","3","1","8","10","8","1") = "9"
    & skf18("2","3","1","8","10","9","1") = "9"
    & skf18("2","3","1","8","10","10","1") = "9"
    & skf18("2","3","1","9","1","1","1") = "8"
    & skf18("2","3","1","9","1","2","1") = "8"
    & skf18("2","3","1","9","1","3","1") = "8"
    & skf18("2","3","1","9","1","4","1") = "8"
    & skf18("2","3","1","9","1","5","1") = "8"
    & skf18("2","3","1","9","1","6","1") = "8"
    & skf18("2","3","1","9","1","7","1") = "8"
    & skf18("2","3","1","9","1","8","1") = "8"
    & skf18("2","3","1","9","1","9","1") = "8"
    & skf18("2","3","1","9","1","10","1") = "9"
    & skf18("2","3","1","9","2","1","1") = "8"
    & skf18("2","3","1","9","2","2","1") = "8"
    & skf18("2","3","1","9","2","3","1") = "8"
    & skf18("2","3","1","9","2","4","1") = "8"
    & skf18("2","3","1","9","2","5","1") = "8"
    & skf18("2","3","1","9","2","6","1") = "8"
    & skf18("2","3","1","9","2","7","1") = "8"
    & skf18("2","3","1","9","2","8","1") = "8"
    & skf18("2","3","1","9","2","9","1") = "8"
    & skf18("2","3","1","9","2","10","1") = "9"
    & skf18("2","3","1","9","3","1","1") = "8"
    & skf18("2","3","1","9","3","2","1") = "8"
    & skf18("2","3","1","9","3","3","1") = "8"
    & skf18("2","3","1","9","3","4","1") = "8"
    & skf18("2","3","1","9","3","5","1") = "8"
    & skf18("2","3","1","9","3","6","1") = "8"
    & skf18("2","3","1","9","3","7","1") = "8"
    & skf18("2","3","1","9","3","8","1") = "8"
    & skf18("2","3","1","9","3","9","1") = "8"
    & skf18("2","3","1","9","3","10","1") = "9"
    & skf18("2","3","1","9","4","1","1") = "8"
    & skf18("2","3","1","9","4","2","1") = "8"
    & skf18("2","3","1","9","4","3","1") = "8"
    & skf18("2","3","1","9","4","4","1") = "8"
    & skf18("2","3","1","9","4","5","1") = "8"
    & skf18("2","3","1","9","4","6","1") = "8"
    & skf18("2","3","1","9","4","7","1") = "8"
    & skf18("2","3","1","9","4","8","1") = "8"
    & skf18("2","3","1","9","4","9","1") = "8"
    & skf18("2","3","1","9","4","10","1") = "9"
    & skf18("2","3","1","9","5","1","1") = "8"
    & skf18("2","3","1","9","5","2","1") = "8"
    & skf18("2","3","1","9","5","3","1") = "8"
    & skf18("2","3","1","9","5","4","1") = "8"
    & skf18("2","3","1","9","5","5","1") = "8"
    & skf18("2","3","1","9","5","6","1") = "8"
    & skf18("2","3","1","9","5","7","1") = "8"
    & skf18("2","3","1","9","5","8","1") = "8"
    & skf18("2","3","1","9","5","9","1") = "8"
    & skf18("2","3","1","9","5","10","1") = "9"
    & skf18("2","3","1","9","6","1","1") = "8"
    & skf18("2","3","1","9","6","2","1") = "8"
    & skf18("2","3","1","9","6","3","1") = "8"
    & skf18("2","3","1","9","6","4","1") = "8"
    & skf18("2","3","1","9","6","5","1") = "8"
    & skf18("2","3","1","9","6","6","1") = "8"
    & skf18("2","3","1","9","6","7","1") = "8"
    & skf18("2","3","1","9","6","8","1") = "8"
    & skf18("2","3","1","9","6","9","1") = "8"
    & skf18("2","3","1","9","6","10","1") = "9"
    & skf18("2","3","1","9","7","1","1") = "8"
    & skf18("2","3","1","9","7","2","1") = "8"
    & skf18("2","3","1","9","7","3","1") = "8"
    & skf18("2","3","1","9","7","4","1") = "8"
    & skf18("2","3","1","9","7","5","1") = "8"
    & skf18("2","3","1","9","7","6","1") = "8"
    & skf18("2","3","1","9","7","7","1") = "8"
    & skf18("2","3","1","9","7","8","1") = "8"
    & skf18("2","3","1","9","7","9","1") = "8"
    & skf18("2","3","1","9","7","10","1") = "9"
    & skf18("2","3","1","9","8","1","1") = "8"
    & skf18("2","3","1","9","8","2","1") = "8"
    & skf18("2","3","1","9","8","3","1") = "8"
    & skf18("2","3","1","9","8","4","1") = "8"
    & skf18("2","3","1","9","8","5","1") = "8"
    & skf18("2","3","1","9","8","6","1") = "8"
    & skf18("2","3","1","9","8","7","1") = "8"
    & skf18("2","3","1","9","8","8","1") = "8"
    & skf18("2","3","1","9","8","9","1") = "8"
    & skf18("2","3","1","9","8","10","1") = "9"
    & skf18("2","3","1","9","9","1","1") = "8"
    & skf18("2","3","1","9","9","2","1") = "8"
    & skf18("2","3","1","9","9","3","1") = "8"
    & skf18("2","3","1","9","9","4","1") = "8"
    & skf18("2","3","1","9","9","5","1") = "8"
    & skf18("2","3","1","9","9","6","1") = "8"
    & skf18("2","3","1","9","9","7","1") = "8"
    & skf18("2","3","1","9","9","8","1") = "8"
    & skf18("2","3","1","9","9","9","1") = "8"
    & skf18("2","3","1","9","9","10","1") = "9"
    & skf18("2","3","1","9","10","1","1") = "9"
    & skf18("2","3","1","9","10","2","1") = "9"
    & skf18("2","3","1","9","10","3","1") = "9"
    & skf18("2","3","1","9","10","4","1") = "9"
    & skf18("2","3","1","9","10","5","1") = "9"
    & skf18("2","3","1","9","10","6","1") = "9"
    & skf18("2","3","1","9","10","7","1") = "9"
    & skf18("2","3","1","9","10","8","1") = "9"
    & skf18("2","3","1","9","10","9","1") = "9"
    & skf18("2","3","1","9","10","10","1") = "9"
    & skf18("2","3","1","10","1","1","1") = "9"
    & skf18("2","3","1","10","1","2","1") = "9"
    & skf18("2","3","1","10","1","3","1") = "9"
    & skf18("2","3","1","10","1","4","1") = "9"
    & skf18("2","3","1","10","1","5","1") = "9"
    & skf18("2","3","1","10","1","6","1") = "9"
    & skf18("2","3","1","10","1","7","1") = "9"
    & skf18("2","3","1","10","1","8","1") = "9"
    & skf18("2","3","1","10","1","9","1") = "9"
    & skf18("2","3","1","10","1","10","1") = "9"
    & skf18("2","3","1","10","2","1","1") = "9"
    & skf18("2","3","1","10","2","2","1") = "9"
    & skf18("2","3","1","10","2","3","1") = "9"
    & skf18("2","3","1","10","2","4","1") = "9"
    & skf18("2","3","1","10","2","5","1") = "9"
    & skf18("2","3","1","10","2","6","1") = "9"
    & skf18("2","3","1","10","2","7","1") = "9"
    & skf18("2","3","1","10","2","8","1") = "9"
    & skf18("2","3","1","10","2","9","1") = "9"
    & skf18("2","3","1","10","2","10","1") = "9"
    & skf18("2","3","1","10","3","1","1") = "9"
    & skf18("2","3","1","10","3","2","1") = "9"
    & skf18("2","3","1","10","3","3","1") = "9"
    & skf18("2","3","1","10","3","4","1") = "9"
    & skf18("2","3","1","10","3","5","1") = "9"
    & skf18("2","3","1","10","3","6","1") = "9"
    & skf18("2","3","1","10","3","7","1") = "9"
    & skf18("2","3","1","10","3","8","1") = "9"
    & skf18("2","3","1","10","3","9","1") = "9"
    & skf18("2","3","1","10","3","10","1") = "9"
    & skf18("2","3","1","10","4","1","1") = "9"
    & skf18("2","3","1","10","4","2","1") = "9"
    & skf18("2","3","1","10","4","3","1") = "9"
    & skf18("2","3","1","10","4","4","1") = "9"
    & skf18("2","3","1","10","4","5","1") = "9"
    & skf18("2","3","1","10","4","6","1") = "9"
    & skf18("2","3","1","10","4","7","1") = "9"
    & skf18("2","3","1","10","4","8","1") = "9"
    & skf18("2","3","1","10","4","9","1") = "9"
    & skf18("2","3","1","10","4","10","1") = "9"
    & skf18("2","3","1","10","5","1","1") = "9"
    & skf18("2","3","1","10","5","2","1") = "9"
    & skf18("2","3","1","10","5","3","1") = "9"
    & skf18("2","3","1","10","5","4","1") = "9"
    & skf18("2","3","1","10","5","5","1") = "9"
    & skf18("2","3","1","10","5","6","1") = "9"
    & skf18("2","3","1","10","5","7","1") = "9"
    & skf18("2","3","1","10","5","8","1") = "9"
    & skf18("2","3","1","10","5","9","1") = "9"
    & skf18("2","3","1","10","5","10","1") = "9"
    & skf18("2","3","1","10","6","1","1") = "9"
    & skf18("2","3","1","10","6","2","1") = "9"
    & skf18("2","3","1","10","6","3","1") = "9"
    & skf18("2","3","1","10","6","4","1") = "9"
    & skf18("2","3","1","10","6","5","1") = "9"
    & skf18("2","3","1","10","6","6","1") = "9"
    & skf18("2","3","1","10","6","7","1") = "9"
    & skf18("2","3","1","10","6","8","1") = "9"
    & skf18("2","3","1","10","6","9","1") = "9"
    & skf18("2","3","1","10","6","10","1") = "9"
    & skf18("2","3","1","10","7","1","1") = "9"
    & skf18("2","3","1","10","7","2","1") = "9"
    & skf18("2","3","1","10","7","3","1") = "9"
    & skf18("2","3","1","10","7","4","1") = "9"
    & skf18("2","3","1","10","7","5","1") = "9"
    & skf18("2","3","1","10","7","6","1") = "9"
    & skf18("2","3","1","10","7","7","1") = "9"
    & skf18("2","3","1","10","7","8","1") = "9"
    & skf18("2","3","1","10","7","9","1") = "9"
    & skf18("2","3","1","10","7","10","1") = "9"
    & skf18("2","3","1","10","8","1","1") = "9"
    & skf18("2","3","1","10","8","2","1") = "9"
    & skf18("2","3","1","10","8","3","1") = "9"
    & skf18("2","3","1","10","8","4","1") = "9"
    & skf18("2","3","1","10","8","5","1") = "9"
    & skf18("2","3","1","10","8","6","1") = "9"
    & skf18("2","3","1","10","8","7","1") = "9"
    & skf18("2","3","1","10","8","8","1") = "9"
    & skf18("2","3","1","10","8","9","1") = "9"
    & skf18("2","3","1","10","8","10","1") = "9"
    & skf18("2","3","1","10","9","1","1") = "9"
    & skf18("2","3","1","10","9","2","1") = "9"
    & skf18("2","3","1","10","9","3","1") = "9"
    & skf18("2","3","1","10","9","4","1") = "9"
    & skf18("2","3","1","10","9","5","1") = "9"
    & skf18("2","3","1","10","9","6","1") = "9"
    & skf18("2","3","1","10","9","7","1") = "9"
    & skf18("2","3","1","10","9","8","1") = "9"
    & skf18("2","3","1","10","9","9","1") = "9"
    & skf18("2","3","1","10","9","10","1") = "9"
    & skf18("2","3","1","10","10","1","1") = "9"
    & skf18("2","3","1","10","10","2","1") = "9"
    & skf18("2","3","1","10","10","3","1") = "9"
    & skf18("2","3","1","10","10","4","1") = "9"
    & skf18("2","3","1","10","10","5","1") = "9"
    & skf18("2","3","1","10","10","6","1") = "9"
    & skf18("2","3","1","10","10","7","1") = "9"
    & skf18("2","3","1","10","10","8","1") = "9"
    & skf18("2","3","1","10","10","9","1") = "9"
    & skf18("2","3","1","10","10","10","1") = "9"
    & skf18("2","3","2","1","1","1","1") = "2"
    & skf18("2","3","2","1","1","2","1") = "2"
    & skf18("2","3","2","1","1","3","1") = "2"
    & skf18("2","3","2","1","1","4","1") = "3"
    & skf18("2","3","2","1","1","5","1") = "4"
    & skf18("2","3","2","1","1","6","1") = "5"
    & skf18("2","3","2","1","1","7","1") = "6"
    & skf18("2","3","2","1","1","8","1") = "7"
    & skf18("2","3","2","1","1","9","1") = "8"
    & skf18("2","3","2","1","1","10","1") = "9"
    & skf18("2","3","2","1","2","1","1") = "2"
    & skf18("2","3","2","1","2","2","1") = "2"
    & skf18("2","3","2","1","2","3","1") = "2"
    & skf18("2","3","2","1","2","4","1") = "3"
    & skf18("2","3","2","1","2","5","1") = "4"
    & skf18("2","3","2","1","2","6","1") = "5"
    & skf18("2","3","2","1","2","7","1") = "6"
    & skf18("2","3","2","1","2","8","1") = "7"
    & skf18("2","3","2","1","2","9","1") = "8"
    & skf18("2","3","2","1","2","10","1") = "9"
    & skf18("2","3","2","1","3","1","1") = "2"
    & skf18("2","3","2","1","3","2","1") = "2"
    & skf18("2","3","2","1","3","3","1") = "2"
    & skf18("2","3","2","1","3","4","1") = "3"
    & skf18("2","3","2","1","3","5","1") = "4"
    & skf18("2","3","2","1","3","6","1") = "5"
    & skf18("2","3","2","1","3","7","1") = "6"
    & skf18("2","3","2","1","3","8","1") = "7"
    & skf18("2","3","2","1","3","9","1") = "8"
    & skf18("2","3","2","1","3","10","1") = "9"
    & skf18("2","3","2","1","4","1","1") = "3"
    & skf18("2","3","2","1","4","2","1") = "3"
    & skf18("2","3","2","1","4","3","1") = "3"
    & skf18("2","3","2","1","4","4","1") = "3"
    & skf18("2","3","2","1","4","5","1") = "4"
    & skf18("2","3","2","1","4","6","1") = "5"
    & skf18("2","3","2","1","4","7","1") = "6"
    & skf18("2","3","2","1","4","8","1") = "7"
    & skf18("2","3","2","1","4","9","1") = "8"
    & skf18("2","3","2","1","4","10","1") = "9"
    & skf18("2","3","2","1","5","1","1") = "4"
    & skf18("2","3","2","1","5","2","1") = "4"
    & skf18("2","3","2","1","5","3","1") = "4"
    & skf18("2","3","2","1","5","4","1") = "4"
    & skf18("2","3","2","1","5","5","1") = "4"
    & skf18("2","3","2","1","5","6","1") = "5"
    & skf18("2","3","2","1","5","7","1") = "6"
    & skf18("2","3","2","1","5","8","1") = "7"
    & skf18("2","3","2","1","5","9","1") = "8"
    & skf18("2","3","2","1","5","10","1") = "9"
    & skf18("2","3","2","1","6","1","1") = "5"
    & skf18("2","3","2","1","6","2","1") = "5"
    & skf18("2","3","2","1","6","3","1") = "5"
    & skf18("2","3","2","1","6","4","1") = "5"
    & skf18("2","3","2","1","6","5","1") = "5"
    & skf18("2","3","2","1","6","6","1") = "5"
    & skf18("2","3","2","1","6","7","1") = "6"
    & skf18("2","3","2","1","6","8","1") = "7"
    & skf18("2","3","2","1","6","9","1") = "8"
    & skf18("2","3","2","1","6","10","1") = "9"
    & skf18("2","3","2","1","7","1","1") = "6"
    & skf18("2","3","2","1","7","2","1") = "6"
    & skf18("2","3","2","1","7","3","1") = "6"
    & skf18("2","3","2","1","7","4","1") = "6"
    & skf18("2","3","2","1","7","5","1") = "6"
    & skf18("2","3","2","1","7","6","1") = "6"
    & skf18("2","3","2","1","7","7","1") = "6"
    & skf18("2","3","2","1","7","8","1") = "7"
    & skf18("2","3","2","1","7","9","1") = "8"
    & skf18("2","3","2","1","7","10","1") = "9"
    & skf18("2","3","2","1","8","1","1") = "7"
    & skf18("2","3","2","1","8","2","1") = "7"
    & skf18("2","3","2","1","8","3","1") = "7"
    & skf18("2","3","2","1","8","4","1") = "7"
    & skf18("2","3","2","1","8","5","1") = "7"
    & skf18("2","3","2","1","8","6","1") = "7"
    & skf18("2","3","2","1","8","7","1") = "7"
    & skf18("2","3","2","1","8","8","1") = "7"
    & skf18("2","3","2","1","8","9","1") = "8"
    & skf18("2","3","2","1","8","10","1") = "9"
    & skf18("2","3","2","1","9","1","1") = "8"
    & skf18("2","3","2","1","9","2","1") = "8"
    & skf18("2","3","2","1","9","3","1") = "8"
    & skf18("2","3","2","1","9","4","1") = "8"
    & skf18("2","3","2","1","9","5","1") = "8"
    & skf18("2","3","2","1","9","6","1") = "8"
    & skf18("2","3","2","1","9","7","1") = "8"
    & skf18("2","3","2","1","9","8","1") = "8"
    & skf18("2","3","2","1","9","9","1") = "8"
    & skf18("2","3","2","1","9","10","1") = "9"
    & skf18("2","3","2","1","10","1","1") = "9"
    & skf18("2","3","2","1","10","2","1") = "9"
    & skf18("2","3","2","1","10","3","1") = "9"
    & skf18("2","3","2","1","10","4","1") = "9"
    & skf18("2","3","2","1","10","5","1") = "9"
    & skf18("2","3","2","1","10","6","1") = "9"
    & skf18("2","3","2","1","10","7","1") = "9"
    & skf18("2","3","2","1","10","8","1") = "9"
    & skf18("2","3","2","1","10","9","1") = "9"
    & skf18("2","3","2","1","10","10","1") = "9"
    & skf18("2","3","2","2","1","1","1") = "2"
    & skf18("2","3","2","2","1","2","1") = "2"
    & skf18("2","3","2","2","1","3","1") = "2"
    & skf18("2","3","2","2","1","4","1") = "3"
    & skf18("2","3","2","2","1","5","1") = "4"
    & skf18("2","3","2","2","1","6","1") = "5"
    & skf18("2","3","2","2","1","7","1") = "6"
    & skf18("2","3","2","2","1","8","1") = "7"
    & skf18("2","3","2","2","1","9","1") = "8"
    & skf18("2","3","2","2","1","10","1") = "9"
    & skf18("2","3","2","2","2","1","1") = "2"
    & skf18("2","3","2","2","2","2","1") = "2"
    & skf18("2","3","2","2","2","3","1") = "2"
    & skf18("2","3","2","2","2","4","1") = "3"
    & skf18("2","3","2","2","2","5","1") = "4"
    & skf18("2","3","2","2","2","6","1") = "5"
    & skf18("2","3","2","2","2","7","1") = "6"
    & skf18("2","3","2","2","2","8","1") = "7"
    & skf18("2","3","2","2","2","9","1") = "8"
    & skf18("2","3","2","2","2","10","1") = "9"
    & skf18("2","3","2","2","3","1","1") = "2"
    & skf18("2","3","2","2","3","2","1") = "2"
    & skf18("2","3","2","2","3","3","1") = "2"
    & skf18("2","3","2","2","3","4","1") = "3"
    & skf18("2","3","2","2","3","5","1") = "4"
    & skf18("2","3","2","2","3","6","1") = "5"
    & skf18("2","3","2","2","3","7","1") = "6"
    & skf18("2","3","2","2","3","8","1") = "7"
    & skf18("2","3","2","2","3","9","1") = "8"
    & skf18("2","3","2","2","3","10","1") = "9"
    & skf18("2","3","2","2","4","1","1") = "3"
    & skf18("2","3","2","2","4","2","1") = "3"
    & skf18("2","3","2","2","4","3","1") = "3"
    & skf18("2","3","2","2","4","4","1") = "3"
    & skf18("2","3","2","2","4","5","1") = "4"
    & skf18("2","3","2","2","4","6","1") = "5"
    & skf18("2","3","2","2","4","7","1") = "6"
    & skf18("2","3","2","2","4","8","1") = "7"
    & skf18("2","3","2","2","4","9","1") = "8"
    & skf18("2","3","2","2","4","10","1") = "9"
    & skf18("2","3","2","2","5","1","1") = "4"
    & skf18("2","3","2","2","5","2","1") = "4"
    & skf18("2","3","2","2","5","3","1") = "4"
    & skf18("2","3","2","2","5","4","1") = "4"
    & skf18("2","3","2","2","5","5","1") = "4"
    & skf18("2","3","2","2","5","6","1") = "5"
    & skf18("2","3","2","2","5","7","1") = "6"
    & skf18("2","3","2","2","5","8","1") = "7"
    & skf18("2","3","2","2","5","9","1") = "8"
    & skf18("2","3","2","2","5","10","1") = "9"
    & skf18("2","3","2","2","6","1","1") = "5"
    & skf18("2","3","2","2","6","2","1") = "5"
    & skf18("2","3","2","2","6","3","1") = "5"
    & skf18("2","3","2","2","6","4","1") = "5"
    & skf18("2","3","2","2","6","5","1") = "5"
    & skf18("2","3","2","2","6","6","1") = "5"
    & skf18("2","3","2","2","6","7","1") = "6"
    & skf18("2","3","2","2","6","8","1") = "7"
    & skf18("2","3","2","2","6","9","1") = "8"
    & skf18("2","3","2","2","6","10","1") = "9"
    & skf18("2","3","2","2","7","1","1") = "6"
    & skf18("2","3","2","2","7","2","1") = "6"
    & skf18("2","3","2","2","7","3","1") = "6"
    & skf18("2","3","2","2","7","4","1") = "6"
    & skf18("2","3","2","2","7","5","1") = "6"
    & skf18("2","3","2","2","7","6","1") = "6"
    & skf18("2","3","2","2","7","7","1") = "6"
    & skf18("2","3","2","2","7","8","1") = "7"
    & skf18("2","3","2","2","7","9","1") = "8"
    & skf18("2","3","2","2","7","10","1") = "9"
    & skf18("2","3","2","2","8","1","1") = "7"
    & skf18("2","3","2","2","8","2","1") = "7"
    & skf18("2","3","2","2","8","3","1") = "7"
    & skf18("2","3","2","2","8","4","1") = "7"
    & skf18("2","3","2","2","8","5","1") = "7"
    & skf18("2","3","2","2","8","6","1") = "7"
    & skf18("2","3","2","2","8","7","1") = "7"
    & skf18("2","3","2","2","8","8","1") = "7"
    & skf18("2","3","2","2","8","9","1") = "8"
    & skf18("2","3","2","2","8","10","1") = "9"
    & skf18("2","3","2","2","9","1","1") = "8"
    & skf18("2","3","2","2","9","2","1") = "8"
    & skf18("2","3","2","2","9","3","1") = "8"
    & skf18("2","3","2","2","9","4","1") = "8"
    & skf18("2","3","2","2","9","5","1") = "8"
    & skf18("2","3","2","2","9","6","1") = "8"
    & skf18("2","3","2","2","9","7","1") = "8"
    & skf18("2","3","2","2","9","8","1") = "8"
    & skf18("2","3","2","2","9","9","1") = "8"
    & skf18("2","3","2","2","9","10","1") = "9"
    & skf18("2","3","2","2","10","1","1") = "9"
    & skf18("2","3","2","2","10","2","1") = "9"
    & skf18("2","3","2","2","10","3","1") = "9"
    & skf18("2","3","2","2","10","4","1") = "9"
    & skf18("2","3","2","2","10","5","1") = "9"
    & skf18("2","3","2","2","10","6","1") = "9"
    & skf18("2","3","2","2","10","7","1") = "9"
    & skf18("2","3","2","2","10","8","1") = "9"
    & skf18("2","3","2","2","10","9","1") = "9"
    & skf18("2","3","2","2","10","10","1") = "9"
    & skf18("2","3","2","3","1","1","1") = "2"
    & skf18("2","3","2","3","1","2","1") = "2"
    & skf18("2","3","2","3","1","3","1") = "2"
    & skf18("2","3","2","3","1","4","1") = "3"
    & skf18("2","3","2","3","1","5","1") = "4"
    & skf18("2","3","2","3","1","6","1") = "5"
    & skf18("2","3","2","3","1","7","1") = "6"
    & skf18("2","3","2","3","1","8","1") = "7"
    & skf18("2","3","2","3","1","9","1") = "8"
    & skf18("2","3","2","3","1","10","1") = "9"
    & skf18("2","3","2","3","2","1","1") = "2"
    & skf18("2","3","2","3","2","2","1") = "2"
    & skf18("2","3","2","3","2","3","1") = "2"
    & skf18("2","3","2","3","2","4","1") = "3"
    & skf18("2","3","2","3","2","5","1") = "4"
    & skf18("2","3","2","3","2","6","1") = "5"
    & skf18("2","3","2","3","2","7","1") = "6"
    & skf18("2","3","2","3","2","8","1") = "7"
    & skf18("2","3","2","3","2","9","1") = "8"
    & skf18("2","3","2","3","2","10","1") = "9"
    & skf18("2","3","2","3","3","1","1") = "2"
    & skf18("2","3","2","3","3","2","1") = "2"
    & skf18("2","3","2","3","3","3","1") = "2"
    & skf18("2","3","2","3","3","4","1") = "3"
    & skf18("2","3","2","3","3","5","1") = "4"
    & skf18("2","3","2","3","3","6","1") = "5"
    & skf18("2","3","2","3","3","7","1") = "6"
    & skf18("2","3","2","3","3","8","1") = "7"
    & skf18("2","3","2","3","3","9","1") = "8"
    & skf18("2","3","2","3","3","10","1") = "9"
    & skf18("2","3","2","3","4","1","1") = "3"
    & skf18("2","3","2","3","4","2","1") = "3"
    & skf18("2","3","2","3","4","3","1") = "3"
    & skf18("2","3","2","3","4","4","1") = "3"
    & skf18("2","3","2","3","4","5","1") = "4"
    & skf18("2","3","2","3","4","6","1") = "5"
    & skf18("2","3","2","3","4","7","1") = "6"
    & skf18("2","3","2","3","4","8","1") = "7"
    & skf18("2","3","2","3","4","9","1") = "8"
    & skf18("2","3","2","3","4","10","1") = "9"
    & skf18("2","3","2","3","5","1","1") = "4"
    & skf18("2","3","2","3","5","2","1") = "4"
    & skf18("2","3","2","3","5","3","1") = "4"
    & skf18("2","3","2","3","5","4","1") = "4"
    & skf18("2","3","2","3","5","5","1") = "4"
    & skf18("2","3","2","3","5","6","1") = "5"
    & skf18("2","3","2","3","5","7","1") = "6"
    & skf18("2","3","2","3","5","8","1") = "7"
    & skf18("2","3","2","3","5","9","1") = "8"
    & skf18("2","3","2","3","5","10","1") = "9"
    & skf18("2","3","2","3","6","1","1") = "5"
    & skf18("2","3","2","3","6","2","1") = "5"
    & skf18("2","3","2","3","6","3","1") = "5"
    & skf18("2","3","2","3","6","4","1") = "5"
    & skf18("2","3","2","3","6","5","1") = "5"
    & skf18("2","3","2","3","6","6","1") = "5"
    & skf18("2","3","2","3","6","7","1") = "6"
    & skf18("2","3","2","3","6","8","1") = "7"
    & skf18("2","3","2","3","6","9","1") = "8"
    & skf18("2","3","2","3","6","10","1") = "9"
    & skf18("2","3","2","3","7","1","1") = "6"
    & skf18("2","3","2","3","7","2","1") = "6"
    & skf18("2","3","2","3","7","3","1") = "6"
    & skf18("2","3","2","3","7","4","1") = "6"
    & skf18("2","3","2","3","7","5","1") = "6"
    & skf18("2","3","2","3","7","6","1") = "6"
    & skf18("2","3","2","3","7","7","1") = "6"
    & skf18("2","3","2","3","7","8","1") = "7"
    & skf18("2","3","2","3","7","9","1") = "8"
    & skf18("2","3","2","3","7","10","1") = "9"
    & skf18("2","3","2","3","8","1","1") = "7"
    & skf18("2","3","2","3","8","2","1") = "7"
    & skf18("2","3","2","3","8","3","1") = "7"
    & skf18("2","3","2","3","8","4","1") = "7"
    & skf18("2","3","2","3","8","5","1") = "7"
    & skf18("2","3","2","3","8","6","1") = "7"
    & skf18("2","3","2","3","8","7","1") = "7"
    & skf18("2","3","2","3","8","8","1") = "7"
    & skf18("2","3","2","3","8","9","1") = "8"
    & skf18("2","3","2","3","8","10","1") = "9"
    & skf18("2","3","2","3","9","1","1") = "8"
    & skf18("2","3","2","3","9","2","1") = "8"
    & skf18("2","3","2","3","9","3","1") = "8"
    & skf18("2","3","2","3","9","4","1") = "8"
    & skf18("2","3","2","3","9","5","1") = "8"
    & skf18("2","3","2","3","9","6","1") = "8"
    & skf18("2","3","2","3","9","7","1") = "8"
    & skf18("2","3","2","3","9","8","1") = "8"
    & skf18("2","3","2","3","9","9","1") = "8"
    & skf18("2","3","2","3","9","10","1") = "9"
    & skf18("2","3","2","3","10","1","1") = "9"
    & skf18("2","3","2","3","10","2","1") = "9"
    & skf18("2","3","2","3","10","3","1") = "9"
    & skf18("2","3","2","3","10","4","1") = "9"
    & skf18("2","3","2","3","10","5","1") = "9"
    & skf18("2","3","2","3","10","6","1") = "9"
    & skf18("2","3","2","3","10","7","1") = "9"
    & skf18("2","3","2","3","10","8","1") = "9"
    & skf18("2","3","2","3","10","9","1") = "9"
    & skf18("2","3","2","3","10","10","1") = "9"
    & skf18("2","3","2","4","1","1","1") = "3"
    & skf18("2","3","2","4","1","2","1") = "3"
    & skf18("2","3","2","4","1","3","1") = "3"
    & skf18("2","3","2","4","1","4","1") = "3"
    & skf18("2","3","2","4","1","5","1") = "4"
    & skf18("2","3","2","4","1","6","1") = "5"
    & skf18("2","3","2","4","1","7","1") = "6"
    & skf18("2","3","2","4","1","8","1") = "7"
    & skf18("2","3","2","4","1","9","1") = "8"
    & skf18("2","3","2","4","1","10","1") = "9"
    & skf18("2","3","2","4","2","1","1") = "3"
    & skf18("2","3","2","4","2","2","1") = "3"
    & skf18("2","3","2","4","2","3","1") = "3"
    & skf18("2","3","2","4","2","4","1") = "3"
    & skf18("2","3","2","4","2","5","1") = "4"
    & skf18("2","3","2","4","2","6","1") = "5"
    & skf18("2","3","2","4","2","7","1") = "6"
    & skf18("2","3","2","4","2","8","1") = "7"
    & skf18("2","3","2","4","2","9","1") = "8"
    & skf18("2","3","2","4","2","10","1") = "9"
    & skf18("2","3","2","4","3","1","1") = "3"
    & skf18("2","3","2","4","3","2","1") = "3"
    & skf18("2","3","2","4","3","3","1") = "3"
    & skf18("2","3","2","4","3","4","1") = "3"
    & skf18("2","3","2","4","3","5","1") = "4"
    & skf18("2","3","2","4","3","6","1") = "5"
    & skf18("2","3","2","4","3","7","1") = "6"
    & skf18("2","3","2","4","3","8","1") = "7"
    & skf18("2","3","2","4","3","9","1") = "8"
    & skf18("2","3","2","4","3","10","1") = "9"
    & skf18("2","3","2","4","4","1","1") = "3"
    & skf18("2","3","2","4","4","2","1") = "3"
    & skf18("2","3","2","4","4","3","1") = "3"
    & skf18("2","3","2","4","4","4","1") = "3"
    & skf18("2","3","2","4","4","5","1") = "4"
    & skf18("2","3","2","4","4","6","1") = "5"
    & skf18("2","3","2","4","4","7","1") = "6"
    & skf18("2","3","2","4","4","8","1") = "7"
    & skf18("2","3","2","4","4","9","1") = "8"
    & skf18("2","3","2","4","4","10","1") = "9"
    & skf18("2","3","2","4","5","1","1") = "4"
    & skf18("2","3","2","4","5","2","1") = "4"
    & skf18("2","3","2","4","5","3","1") = "4"
    & skf18("2","3","2","4","5","4","1") = "4"
    & skf18("2","3","2","4","5","5","1") = "4"
    & skf18("2","3","2","4","5","6","1") = "5"
    & skf18("2","3","2","4","5","7","1") = "6"
    & skf18("2","3","2","4","5","8","1") = "7"
    & skf18("2","3","2","4","5","9","1") = "8"
    & skf18("2","3","2","4","5","10","1") = "9"
    & skf18("2","3","2","4","6","1","1") = "5"
    & skf18("2","3","2","4","6","2","1") = "5"
    & skf18("2","3","2","4","6","3","1") = "5"
    & skf18("2","3","2","4","6","4","1") = "5"
    & skf18("2","3","2","4","6","5","1") = "5"
    & skf18("2","3","2","4","6","6","1") = "5"
    & skf18("2","3","2","4","6","7","1") = "6"
    & skf18("2","3","2","4","6","8","1") = "7"
    & skf18("2","3","2","4","6","9","1") = "8"
    & skf18("2","3","2","4","6","10","1") = "9"
    & skf18("2","3","2","4","7","1","1") = "6"
    & skf18("2","3","2","4","7","2","1") = "6"
    & skf18("2","3","2","4","7","3","1") = "6"
    & skf18("2","3","2","4","7","4","1") = "6"
    & skf18("2","3","2","4","7","5","1") = "6"
    & skf18("2","3","2","4","7","6","1") = "6"
    & skf18("2","3","2","4","7","7","1") = "6"
    & skf18("2","3","2","4","7","8","1") = "7"
    & skf18("2","3","2","4","7","9","1") = "8"
    & skf18("2","3","2","4","7","10","1") = "9"
    & skf18("2","3","2","4","8","1","1") = "7"
    & skf18("2","3","2","4","8","2","1") = "7"
    & skf18("2","3","2","4","8","3","1") = "7"
    & skf18("2","3","2","4","8","4","1") = "7"
    & skf18("2","3","2","4","8","5","1") = "7"
    & skf18("2","3","2","4","8","6","1") = "7"
    & skf18("2","3","2","4","8","7","1") = "7"
    & skf18("2","3","2","4","8","8","1") = "7"
    & skf18("2","3","2","4","8","9","1") = "8"
    & skf18("2","3","2","4","8","10","1") = "9"
    & skf18("2","3","2","4","9","1","1") = "8"
    & skf18("2","3","2","4","9","2","1") = "8"
    & skf18("2","3","2","4","9","3","1") = "8"
    & skf18("2","3","2","4","9","4","1") = "8"
    & skf18("2","3","2","4","9","5","1") = "8"
    & skf18("2","3","2","4","9","6","1") = "8"
    & skf18("2","3","2","4","9","7","1") = "8"
    & skf18("2","3","2","4","9","8","1") = "8"
    & skf18("2","3","2","4","9","9","1") = "8"
    & skf18("2","3","2","4","9","10","1") = "9"
    & skf18("2","3","2","4","10","1","1") = "9"
    & skf18("2","3","2","4","10","2","1") = "9"
    & skf18("2","3","2","4","10","3","1") = "9"
    & skf18("2","3","2","4","10","4","1") = "9"
    & skf18("2","3","2","4","10","5","1") = "9"
    & skf18("2","3","2","4","10","6","1") = "9"
    & skf18("2","3","2","4","10","7","1") = "9"
    & skf18("2","3","2","4","10","8","1") = "9"
    & skf18("2","3","2","4","10","9","1") = "9"
    & skf18("2","3","2","4","10","10","1") = "9"
    & skf18("2","3","2","5","1","1","1") = "4"
    & skf18("2","3","2","5","1","2","1") = "4"
    & skf18("2","3","2","5","1","3","1") = "4"
    & skf18("2","3","2","5","1","4","1") = "4"
    & skf18("2","3","2","5","1","5","1") = "4"
    & skf18("2","3","2","5","1","6","1") = "5"
    & skf18("2","3","2","5","1","7","1") = "6"
    & skf18("2","3","2","5","1","8","1") = "7"
    & skf18("2","3","2","5","1","9","1") = "8"
    & skf18("2","3","2","5","1","10","1") = "9"
    & skf18("2","3","2","5","2","1","1") = "4"
    & skf18("2","3","2","5","2","2","1") = "4"
    & skf18("2","3","2","5","2","3","1") = "4"
    & skf18("2","3","2","5","2","4","1") = "4"
    & skf18("2","3","2","5","2","5","1") = "4"
    & skf18("2","3","2","5","2","6","1") = "5"
    & skf18("2","3","2","5","2","7","1") = "6"
    & skf18("2","3","2","5","2","8","1") = "7"
    & skf18("2","3","2","5","2","9","1") = "8"
    & skf18("2","3","2","5","2","10","1") = "9"
    & skf18("2","3","2","5","3","1","1") = "4"
    & skf18("2","3","2","5","3","2","1") = "4"
    & skf18("2","3","2","5","3","3","1") = "4"
    & skf18("2","3","2","5","3","4","1") = "4"
    & skf18("2","3","2","5","3","5","1") = "4"
    & skf18("2","3","2","5","3","6","1") = "5"
    & skf18("2","3","2","5","3","7","1") = "6"
    & skf18("2","3","2","5","3","8","1") = "7"
    & skf18("2","3","2","5","3","9","1") = "8"
    & skf18("2","3","2","5","3","10","1") = "9"
    & skf18("2","3","2","5","4","1","1") = "4"
    & skf18("2","3","2","5","4","2","1") = "4"
    & skf18("2","3","2","5","4","3","1") = "4"
    & skf18("2","3","2","5","4","4","1") = "4"
    & skf18("2","3","2","5","4","5","1") = "4"
    & skf18("2","3","2","5","4","6","1") = "5"
    & skf18("2","3","2","5","4","7","1") = "6"
    & skf18("2","3","2","5","4","8","1") = "7"
    & skf18("2","3","2","5","4","9","1") = "8"
    & skf18("2","3","2","5","4","10","1") = "9"
    & skf18("2","3","2","5","5","1","1") = "4"
    & skf18("2","3","2","5","5","2","1") = "4"
    & skf18("2","3","2","5","5","3","1") = "4"
    & skf18("2","3","2","5","5","4","1") = "4"
    & skf18("2","3","2","5","5","5","1") = "4"
    & skf18("2","3","2","5","5","6","1") = "5"
    & skf18("2","3","2","5","5","7","1") = "6"
    & skf18("2","3","2","5","5","8","1") = "7"
    & skf18("2","3","2","5","5","9","1") = "8"
    & skf18("2","3","2","5","5","10","1") = "9"
    & skf18("2","3","2","5","6","1","1") = "5"
    & skf18("2","3","2","5","6","2","1") = "5"
    & skf18("2","3","2","5","6","3","1") = "5"
    & skf18("2","3","2","5","6","4","1") = "5"
    & skf18("2","3","2","5","6","5","1") = "5"
    & skf18("2","3","2","5","6","6","1") = "5"
    & skf18("2","3","2","5","6","7","1") = "6"
    & skf18("2","3","2","5","6","8","1") = "7"
    & skf18("2","3","2","5","6","9","1") = "8"
    & skf18("2","3","2","5","6","10","1") = "9"
    & skf18("2","3","2","5","7","1","1") = "6"
    & skf18("2","3","2","5","7","2","1") = "6"
    & skf18("2","3","2","5","7","3","1") = "6"
    & skf18("2","3","2","5","7","4","1") = "6"
    & skf18("2","3","2","5","7","5","1") = "6"
    & skf18("2","3","2","5","7","6","1") = "6"
    & skf18("2","3","2","5","7","7","1") = "6"
    & skf18("2","3","2","5","7","8","1") = "7"
    & skf18("2","3","2","5","7","9","1") = "8"
    & skf18("2","3","2","5","7","10","1") = "9"
    & skf18("2","3","2","5","8","1","1") = "7"
    & skf18("2","3","2","5","8","2","1") = "7"
    & skf18("2","3","2","5","8","3","1") = "7"
    & skf18("2","3","2","5","8","4","1") = "7"
    & skf18("2","3","2","5","8","5","1") = "7"
    & skf18("2","3","2","5","8","6","1") = "7"
    & skf18("2","3","2","5","8","7","1") = "7"
    & skf18("2","3","2","5","8","8","1") = "7"
    & skf18("2","3","2","5","8","9","1") = "8"
    & skf18("2","3","2","5","8","10","1") = "9"
    & skf18("2","3","2","5","9","1","1") = "8"
    & skf18("2","3","2","5","9","2","1") = "8"
    & skf18("2","3","2","5","9","3","1") = "8"
    & skf18("2","3","2","5","9","4","1") = "8"
    & skf18("2","3","2","5","9","5","1") = "8"
    & skf18("2","3","2","5","9","6","1") = "8"
    & skf18("2","3","2","5","9","7","1") = "8"
    & skf18("2","3","2","5","9","8","1") = "8"
    & skf18("2","3","2","5","9","9","1") = "8"
    & skf18("2","3","2","5","9","10","1") = "9"
    & skf18("2","3","2","5","10","1","1") = "9"
    & skf18("2","3","2","5","10","2","1") = "9"
    & skf18("2","3","2","5","10","3","1") = "9"
    & skf18("2","3","2","5","10","4","1") = "9"
    & skf18("2","3","2","5","10","5","1") = "9"
    & skf18("2","3","2","5","10","6","1") = "9"
    & skf18("2","3","2","5","10","7","1") = "9"
    & skf18("2","3","2","5","10","8","1") = "9"
    & skf18("2","3","2","5","10","9","1") = "9"
    & skf18("2","3","2","5","10","10","1") = "9"
    & skf18("2","3","2","6","1","1","1") = "5"
    & skf18("2","3","2","6","1","2","1") = "5"
    & skf18("2","3","2","6","1","3","1") = "5"
    & skf18("2","3","2","6","1","4","1") = "5"
    & skf18("2","3","2","6","1","5","1") = "5"
    & skf18("2","3","2","6","1","6","1") = "5"
    & skf18("2","3","2","6","1","7","1") = "6"
    & skf18("2","3","2","6","1","8","1") = "7"
    & skf18("2","3","2","6","1","9","1") = "8"
    & skf18("2","3","2","6","1","10","1") = "9"
    & skf18("2","3","2","6","2","1","1") = "5"
    & skf18("2","3","2","6","2","2","1") = "5"
    & skf18("2","3","2","6","2","3","1") = "5"
    & skf18("2","3","2","6","2","4","1") = "5"
    & skf18("2","3","2","6","2","5","1") = "5"
    & skf18("2","3","2","6","2","6","1") = "5"
    & skf18("2","3","2","6","2","7","1") = "6"
    & skf18("2","3","2","6","2","8","1") = "7"
    & skf18("2","3","2","6","2","9","1") = "8"
    & skf18("2","3","2","6","2","10","1") = "9"
    & skf18("2","3","2","6","3","1","1") = "5"
    & skf18("2","3","2","6","3","2","1") = "5"
    & skf18("2","3","2","6","3","3","1") = "5"
    & skf18("2","3","2","6","3","4","1") = "5"
    & skf18("2","3","2","6","3","5","1") = "5"
    & skf18("2","3","2","6","3","6","1") = "5"
    & skf18("2","3","2","6","3","7","1") = "6"
    & skf18("2","3","2","6","3","8","1") = "7"
    & skf18("2","3","2","6","3","9","1") = "8"
    & skf18("2","3","2","6","3","10","1") = "9"
    & skf18("2","3","2","6","4","1","1") = "5"
    & skf18("2","3","2","6","4","2","1") = "5"
    & skf18("2","3","2","6","4","3","1") = "5"
    & skf18("2","3","2","6","4","4","1") = "5"
    & skf18("2","3","2","6","4","5","1") = "5"
    & skf18("2","3","2","6","4","6","1") = "5"
    & skf18("2","3","2","6","4","7","1") = "6"
    & skf18("2","3","2","6","4","8","1") = "7"
    & skf18("2","3","2","6","4","9","1") = "8"
    & skf18("2","3","2","6","4","10","1") = "9"
    & skf18("2","3","2","6","5","1","1") = "5"
    & skf18("2","3","2","6","5","2","1") = "5"
    & skf18("2","3","2","6","5","3","1") = "5"
    & skf18("2","3","2","6","5","4","1") = "5"
    & skf18("2","3","2","6","5","5","1") = "5"
    & skf18("2","3","2","6","5","6","1") = "5"
    & skf18("2","3","2","6","5","7","1") = "6"
    & skf18("2","3","2","6","5","8","1") = "7"
    & skf18("2","3","2","6","5","9","1") = "8"
    & skf18("2","3","2","6","5","10","1") = "9"
    & skf18("2","3","2","6","6","1","1") = "5"
    & skf18("2","3","2","6","6","2","1") = "5"
    & skf18("2","3","2","6","6","3","1") = "5"
    & skf18("2","3","2","6","6","4","1") = "5"
    & skf18("2","3","2","6","6","5","1") = "5"
    & skf18("2","3","2","6","6","6","1") = "5"
    & skf18("2","3","2","6","6","7","1") = "6"
    & skf18("2","3","2","6","6","8","1") = "7"
    & skf18("2","3","2","6","6","9","1") = "8"
    & skf18("2","3","2","6","6","10","1") = "9"
    & skf18("2","3","2","6","7","1","1") = "6"
    & skf18("2","3","2","6","7","2","1") = "6"
    & skf18("2","3","2","6","7","3","1") = "6"
    & skf18("2","3","2","6","7","4","1") = "6"
    & skf18("2","3","2","6","7","5","1") = "6"
    & skf18("2","3","2","6","7","6","1") = "6"
    & skf18("2","3","2","6","7","7","1") = "6"
    & skf18("2","3","2","6","7","8","1") = "7"
    & skf18("2","3","2","6","7","9","1") = "8"
    & skf18("2","3","2","6","7","10","1") = "9"
    & skf18("2","3","2","6","8","1","1") = "7"
    & skf18("2","3","2","6","8","2","1") = "7"
    & skf18("2","3","2","6","8","3","1") = "7"
    & skf18("2","3","2","6","8","4","1") = "7"
    & skf18("2","3","2","6","8","5","1") = "7"
    & skf18("2","3","2","6","8","6","1") = "7"
    & skf18("2","3","2","6","8","7","1") = "7"
    & skf18("2","3","2","6","8","8","1") = "7"
    & skf18("2","3","2","6","8","9","1") = "8"
    & skf18("2","3","2","6","8","10","1") = "9"
    & skf18("2","3","2","6","9","1","1") = "8"
    & skf18("2","3","2","6","9","2","1") = "8"
    & skf18("2","3","2","6","9","3","1") = "8"
    & skf18("2","3","2","6","9","4","1") = "8"
    & skf18("2","3","2","6","9","5","1") = "8"
    & skf18("2","3","2","6","9","6","1") = "8"
    & skf18("2","3","2","6","9","7","1") = "8"
    & skf18("2","3","2","6","9","8","1") = "8"
    & skf18("2","3","2","6","9","9","1") = "8"
    & skf18("2","3","2","6","9","10","1") = "9"
    & skf18("2","3","2","6","10","1","1") = "9"
    & skf18("2","3","2","6","10","2","1") = "9"
    & skf18("2","3","2","6","10","3","1") = "9"
    & skf18("2","3","2","6","10","4","1") = "9"
    & skf18("2","3","2","6","10","5","1") = "9"
    & skf18("2","3","2","6","10","6","1") = "9"
    & skf18("2","3","2","6","10","7","1") = "9"
    & skf18("2","3","2","6","10","8","1") = "9"
    & skf18("2","3","2","6","10","9","1") = "9"
    & skf18("2","3","2","6","10","10","1") = "9"
    & skf18("2","3","2","7","1","1","1") = "6"
    & skf18("2","3","2","7","1","2","1") = "6"
    & skf18("2","3","2","7","1","3","1") = "6"
    & skf18("2","3","2","7","1","4","1") = "6"
    & skf18("2","3","2","7","1","5","1") = "6"
    & skf18("2","3","2","7","1","6","1") = "6"
    & skf18("2","3","2","7","1","7","1") = "6"
    & skf18("2","3","2","7","1","8","1") = "7"
    & skf18("2","3","2","7","1","9","1") = "8"
    & skf18("2","3","2","7","1","10","1") = "9"
    & skf18("2","3","2","7","2","1","1") = "6"
    & skf18("2","3","2","7","2","2","1") = "6"
    & skf18("2","3","2","7","2","3","1") = "6"
    & skf18("2","3","2","7","2","4","1") = "6"
    & skf18("2","3","2","7","2","5","1") = "6"
    & skf18("2","3","2","7","2","6","1") = "6"
    & skf18("2","3","2","7","2","7","1") = "6"
    & skf18("2","3","2","7","2","8","1") = "7"
    & skf18("2","3","2","7","2","9","1") = "8"
    & skf18("2","3","2","7","2","10","1") = "9"
    & skf18("2","3","2","7","3","1","1") = "6"
    & skf18("2","3","2","7","3","2","1") = "6"
    & skf18("2","3","2","7","3","3","1") = "6"
    & skf18("2","3","2","7","3","4","1") = "6"
    & skf18("2","3","2","7","3","5","1") = "6"
    & skf18("2","3","2","7","3","6","1") = "6"
    & skf18("2","3","2","7","3","7","1") = "6"
    & skf18("2","3","2","7","3","8","1") = "7"
    & skf18("2","3","2","7","3","9","1") = "8"
    & skf18("2","3","2","7","3","10","1") = "9"
    & skf18("2","3","2","7","4","1","1") = "6"
    & skf18("2","3","2","7","4","2","1") = "6"
    & skf18("2","3","2","7","4","3","1") = "6"
    & skf18("2","3","2","7","4","4","1") = "6"
    & skf18("2","3","2","7","4","5","1") = "6"
    & skf18("2","3","2","7","4","6","1") = "6"
    & skf18("2","3","2","7","4","7","1") = "6"
    & skf18("2","3","2","7","4","8","1") = "7"
    & skf18("2","3","2","7","4","9","1") = "8"
    & skf18("2","3","2","7","4","10","1") = "9"
    & skf18("2","3","2","7","5","1","1") = "6"
    & skf18("2","3","2","7","5","2","1") = "6"
    & skf18("2","3","2","7","5","3","1") = "6"
    & skf18("2","3","2","7","5","4","1") = "6"
    & skf18("2","3","2","7","5","5","1") = "6"
    & skf18("2","3","2","7","5","6","1") = "6"
    & skf18("2","3","2","7","5","7","1") = "6"
    & skf18("2","3","2","7","5","8","1") = "7"
    & skf18("2","3","2","7","5","9","1") = "8"
    & skf18("2","3","2","7","5","10","1") = "9"
    & skf18("2","3","2","7","6","1","1") = "6"
    & skf18("2","3","2","7","6","2","1") = "6"
    & skf18("2","3","2","7","6","3","1") = "6"
    & skf18("2","3","2","7","6","4","1") = "6"
    & skf18("2","3","2","7","6","5","1") = "6"
    & skf18("2","3","2","7","6","6","1") = "6"
    & skf18("2","3","2","7","6","7","1") = "6"
    & skf18("2","3","2","7","6","8","1") = "7"
    & skf18("2","3","2","7","6","9","1") = "8"
    & skf18("2","3","2","7","6","10","1") = "9"
    & skf18("2","3","2","7","7","1","1") = "6"
    & skf18("2","3","2","7","7","2","1") = "6"
    & skf18("2","3","2","7","7","3","1") = "6"
    & skf18("2","3","2","7","7","4","1") = "6"
    & skf18("2","3","2","7","7","5","1") = "6"
    & skf18("2","3","2","7","7","6","1") = "6"
    & skf18("2","3","2","7","7","7","1") = "6"
    & skf18("2","3","2","7","7","8","1") = "7"
    & skf18("2","3","2","7","7","9","1") = "8"
    & skf18("2","3","2","7","7","10","1") = "9"
    & skf18("2","3","2","7","8","1","1") = "7"
    & skf18("2","3","2","7","8","2","1") = "7"
    & skf18("2","3","2","7","8","3","1") = "7"
    & skf18("2","3","2","7","8","4","1") = "7"
    & skf18("2","3","2","7","8","5","1") = "7"
    & skf18("2","3","2","7","8","6","1") = "7"
    & skf18("2","3","2","7","8","7","1") = "7"
    & skf18("2","3","2","7","8","8","1") = "7"
    & skf18("2","3","2","7","8","9","1") = "8"
    & skf18("2","3","2","7","8","10","1") = "9"
    & skf18("2","3","2","7","9","1","1") = "8"
    & skf18("2","3","2","7","9","2","1") = "8"
    & skf18("2","3","2","7","9","3","1") = "8"
    & skf18("2","3","2","7","9","4","1") = "8"
    & skf18("2","3","2","7","9","5","1") = "8"
    & skf18("2","3","2","7","9","6","1") = "8"
    & skf18("2","3","2","7","9","7","1") = "8"
    & skf18("2","3","2","7","9","8","1") = "8"
    & skf18("2","3","2","7","9","9","1") = "8"
    & skf18("2","3","2","7","9","10","1") = "9"
    & skf18("2","3","2","7","10","1","1") = "9"
    & skf18("2","3","2","7","10","2","1") = "9"
    & skf18("2","3","2","7","10","3","1") = "9"
    & skf18("2","3","2","7","10","4","1") = "9"
    & skf18("2","3","2","7","10","5","1") = "9"
    & skf18("2","3","2","7","10","6","1") = "9"
    & skf18("2","3","2","7","10","7","1") = "9"
    & skf18("2","3","2","7","10","8","1") = "9"
    & skf18("2","3","2","7","10","9","1") = "9"
    & skf18("2","3","2","7","10","10","1") = "9"
    & skf18("2","3","2","8","1","1","1") = "7"
    & skf18("2","3","2","8","1","2","1") = "7"
    & skf18("2","3","2","8","1","3","1") = "7"
    & skf18("2","3","2","8","1","4","1") = "7"
    & skf18("2","3","2","8","1","5","1") = "7"
    & skf18("2","3","2","8","1","6","1") = "7"
    & skf18("2","3","2","8","1","7","1") = "7"
    & skf18("2","3","2","8","1","8","1") = "7"
    & skf18("2","3","2","8","1","9","1") = "8"
    & skf18("2","3","2","8","1","10","1") = "9"
    & skf18("2","3","2","8","2","1","1") = "7"
    & skf18("2","3","2","8","2","2","1") = "7"
    & skf18("2","3","2","8","2","3","1") = "7"
    & skf18("2","3","2","8","2","4","1") = "7"
    & skf18("2","3","2","8","2","5","1") = "7"
    & skf18("2","3","2","8","2","6","1") = "7"
    & skf18("2","3","2","8","2","7","1") = "7"
    & skf18("2","3","2","8","2","8","1") = "7"
    & skf18("2","3","2","8","2","9","1") = "8"
    & skf18("2","3","2","8","2","10","1") = "9"
    & skf18("2","3","2","8","3","1","1") = "7"
    & skf18("2","3","2","8","3","2","1") = "7"
    & skf18("2","3","2","8","3","3","1") = "7"
    & skf18("2","3","2","8","3","4","1") = "7"
    & skf18("2","3","2","8","3","5","1") = "7"
    & skf18("2","3","2","8","3","6","1") = "7"
    & skf18("2","3","2","8","3","7","1") = "7"
    & skf18("2","3","2","8","3","8","1") = "7"
    & skf18("2","3","2","8","3","9","1") = "8"
    & skf18("2","3","2","8","3","10","1") = "9"
    & skf18("2","3","2","8","4","1","1") = "7"
    & skf18("2","3","2","8","4","2","1") = "7"
    & skf18("2","3","2","8","4","3","1") = "7"
    & skf18("2","3","2","8","4","4","1") = "7"
    & skf18("2","3","2","8","4","5","1") = "7"
    & skf18("2","3","2","8","4","6","1") = "7"
    & skf18("2","3","2","8","4","7","1") = "7"
    & skf18("2","3","2","8","4","8","1") = "7"
    & skf18("2","3","2","8","4","9","1") = "8"
    & skf18("2","3","2","8","4","10","1") = "9"
    & skf18("2","3","2","8","5","1","1") = "7"
    & skf18("2","3","2","8","5","2","1") = "7"
    & skf18("2","3","2","8","5","3","1") = "7"
    & skf18("2","3","2","8","5","4","1") = "7"
    & skf18("2","3","2","8","5","5","1") = "7"
    & skf18("2","3","2","8","5","6","1") = "7"
    & skf18("2","3","2","8","5","7","1") = "7"
    & skf18("2","3","2","8","5","8","1") = "7"
    & skf18("2","3","2","8","5","9","1") = "8"
    & skf18("2","3","2","8","5","10","1") = "9"
    & skf18("2","3","2","8","6","1","1") = "7"
    & skf18("2","3","2","8","6","2","1") = "7"
    & skf18("2","3","2","8","6","3","1") = "7"
    & skf18("2","3","2","8","6","4","1") = "7"
    & skf18("2","3","2","8","6","5","1") = "7"
    & skf18("2","3","2","8","6","6","1") = "7"
    & skf18("2","3","2","8","6","7","1") = "7"
    & skf18("2","3","2","8","6","8","1") = "7"
    & skf18("2","3","2","8","6","9","1") = "8"
    & skf18("2","3","2","8","6","10","1") = "9"
    & skf18("2","3","2","8","7","1","1") = "7"
    & skf18("2","3","2","8","7","2","1") = "7"
    & skf18("2","3","2","8","7","3","1") = "7"
    & skf18("2","3","2","8","7","4","1") = "7"
    & skf18("2","3","2","8","7","5","1") = "7"
    & skf18("2","3","2","8","7","6","1") = "7"
    & skf18("2","3","2","8","7","7","1") = "7"
    & skf18("2","3","2","8","7","8","1") = "7"
    & skf18("2","3","2","8","7","9","1") = "8"
    & skf18("2","3","2","8","7","10","1") = "9"
    & skf18("2","3","2","8","8","1","1") = "7"
    & skf18("2","3","2","8","8","2","1") = "7"
    & skf18("2","3","2","8","8","3","1") = "7"
    & skf18("2","3","2","8","8","4","1") = "7"
    & skf18("2","3","2","8","8","5","1") = "7"
    & skf18("2","3","2","8","8","6","1") = "7"
    & skf18("2","3","2","8","8","7","1") = "7"
    & skf18("2","3","2","8","8","8","1") = "7"
    & skf18("2","3","2","8","8","9","1") = "8"
    & skf18("2","3","2","8","8","10","1") = "9"
    & skf18("2","3","2","8","9","1","1") = "8"
    & skf18("2","3","2","8","9","2","1") = "8"
    & skf18("2","3","2","8","9","3","1") = "8"
    & skf18("2","3","2","8","9","4","1") = "8"
    & skf18("2","3","2","8","9","5","1") = "8"
    & skf18("2","3","2","8","9","6","1") = "8"
    & skf18("2","3","2","8","9","7","1") = "8"
    & skf18("2","3","2","8","9","8","1") = "8"
    & skf18("2","3","2","8","9","9","1") = "8"
    & skf18("2","3","2","8","9","10","1") = "9"
    & skf18("2","3","2","8","10","1","1") = "9"
    & skf18("2","3","2","8","10","2","1") = "9"
    & skf18("2","3","2","8","10","3","1") = "9"
    & skf18("2","3","2","8","10","4","1") = "9"
    & skf18("2","3","2","8","10","5","1") = "9"
    & skf18("2","3","2","8","10","6","1") = "9"
    & skf18("2","3","2","8","10","7","1") = "9"
    & skf18("2","3","2","8","10","8","1") = "9"
    & skf18("2","3","2","8","10","9","1") = "9"
    & skf18("2","3","2","8","10","10","1") = "9"
    & skf18("2","3","2","9","1","1","1") = "8"
    & skf18("2","3","2","9","1","2","1") = "8"
    & skf18("2","3","2","9","1","3","1") = "8"
    & skf18("2","3","2","9","1","4","1") = "8"
    & skf18("2","3","2","9","1","5","1") = "8"
    & skf18("2","3","2","9","1","6","1") = "8"
    & skf18("2","3","2","9","1","7","1") = "8"
    & skf18("2","3","2","9","1","8","1") = "8"
    & skf18("2","3","2","9","1","9","1") = "8"
    & skf18("2","3","2","9","1","10","1") = "9"
    & skf18("2","3","2","9","2","1","1") = "8"
    & skf18("2","3","2","9","2","2","1") = "8"
    & skf18("2","3","2","9","2","3","1") = "8"
    & skf18("2","3","2","9","2","4","1") = "8"
    & skf18("2","3","2","9","2","5","1") = "8"
    & skf18("2","3","2","9","2","6","1") = "8"
    & skf18("2","3","2","9","2","7","1") = "8"
    & skf18("2","3","2","9","2","8","1") = "8"
    & skf18("2","3","2","9","2","9","1") = "8"
    & skf18("2","3","2","9","2","10","1") = "9"
    & skf18("2","3","2","9","3","1","1") = "8"
    & skf18("2","3","2","9","3","2","1") = "8"
    & skf18("2","3","2","9","3","3","1") = "8"
    & skf18("2","3","2","9","3","4","1") = "8"
    & skf18("2","3","2","9","3","5","1") = "8"
    & skf18("2","3","2","9","3","6","1") = "8"
    & skf18("2","3","2","9","3","7","1") = "8"
    & skf18("2","3","2","9","3","8","1") = "8"
    & skf18("2","3","2","9","3","9","1") = "8"
    & skf18("2","3","2","9","3","10","1") = "9"
    & skf18("2","3","2","9","4","1","1") = "8"
    & skf18("2","3","2","9","4","2","1") = "8"
    & skf18("2","3","2","9","4","3","1") = "8"
    & skf18("2","3","2","9","4","4","1") = "8"
    & skf18("2","3","2","9","4","5","1") = "8"
    & skf18("2","3","2","9","4","6","1") = "8"
    & skf18("2","3","2","9","4","7","1") = "8"
    & skf18("2","3","2","9","4","8","1") = "8"
    & skf18("2","3","2","9","4","9","1") = "8"
    & skf18("2","3","2","9","4","10","1") = "9"
    & skf18("2","3","2","9","5","1","1") = "8"
    & skf18("2","3","2","9","5","2","1") = "8"
    & skf18("2","3","2","9","5","3","1") = "8"
    & skf18("2","3","2","9","5","4","1") = "8"
    & skf18("2","3","2","9","5","5","1") = "8"
    & skf18("2","3","2","9","5","6","1") = "8"
    & skf18("2","3","2","9","5","7","1") = "8"
    & skf18("2","3","2","9","5","8","1") = "8"
    & skf18("2","3","2","9","5","9","1") = "8"
    & skf18("2","3","2","9","5","10","1") = "9"
    & skf18("2","3","2","9","6","1","1") = "8"
    & skf18("2","3","2","9","6","2","1") = "8"
    & skf18("2","3","2","9","6","3","1") = "8"
    & skf18("2","3","2","9","6","4","1") = "8"
    & skf18("2","3","2","9","6","5","1") = "8"
    & skf18("2","3","2","9","6","6","1") = "8"
    & skf18("2","3","2","9","6","7","1") = "8"
    & skf18("2","3","2","9","6","8","1") = "8"
    & skf18("2","3","2","9","6","9","1") = "8"
    & skf18("2","3","2","9","6","10","1") = "9"
    & skf18("2","3","2","9","7","1","1") = "8"
    & skf18("2","3","2","9","7","2","1") = "8"
    & skf18("2","3","2","9","7","3","1") = "8"
    & skf18("2","3","2","9","7","4","1") = "8"
    & skf18("2","3","2","9","7","5","1") = "8"
    & skf18("2","3","2","9","7","6","1") = "8"
    & skf18("2","3","2","9","7","7","1") = "8"
    & skf18("2","3","2","9","7","8","1") = "8"
    & skf18("2","3","2","9","7","9","1") = "8"
    & skf18("2","3","2","9","7","10","1") = "9"
    & skf18("2","3","2","9","8","1","1") = "8"
    & skf18("2","3","2","9","8","2","1") = "8"
    & skf18("2","3","2","9","8","3","1") = "8"
    & skf18("2","3","2","9","8","4","1") = "8"
    & skf18("2","3","2","9","8","5","1") = "8"
    & skf18("2","3","2","9","8","6","1") = "8"
    & skf18("2","3","2","9","8","7","1") = "8"
    & skf18("2","3","2","9","8","8","1") = "8"
    & skf18("2","3","2","9","8","9","1") = "8"
    & skf18("2","3","2","9","8","10","1") = "9"
    & skf18("2","3","2","9","9","1","1") = "8"
    & skf18("2","3","2","9","9","2","1") = "8"
    & skf18("2","3","2","9","9","3","1") = "8"
    & skf18("2","3","2","9","9","4","1") = "8"
    & skf18("2","3","2","9","9","5","1") = "8"
    & skf18("2","3","2","9","9","6","1") = "8"
    & skf18("2","3","2","9","9","7","1") = "8"
    & skf18("2","3","2","9","9","8","1") = "8"
    & skf18("2","3","2","9","9","9","1") = "8"
    & skf18("2","3","2","9","9","10","1") = "9"
    & skf18("2","3","2","9","10","1","1") = "9"
    & skf18("2","3","2","9","10","2","1") = "9"
    & skf18("2","3","2","9","10","3","1") = "9"
    & skf18("2","3","2","9","10","4","1") = "9"
    & skf18("2","3","2","9","10","5","1") = "9"
    & skf18("2","3","2","9","10","6","1") = "9"
    & skf18("2","3","2","9","10","7","1") = "9"
    & skf18("2","3","2","9","10","8","1") = "9"
    & skf18("2","3","2","9","10","9","1") = "9"
    & skf18("2","3","2","9","10","10","1") = "9"
    & skf18("2","3","2","10","1","1","1") = "9"
    & skf18("2","3","2","10","1","2","1") = "9"
    & skf18("2","3","2","10","1","3","1") = "9"
    & skf18("2","3","2","10","1","4","1") = "9"
    & skf18("2","3","2","10","1","5","1") = "9"
    & skf18("2","3","2","10","1","6","1") = "9"
    & skf18("2","3","2","10","1","7","1") = "9"
    & skf18("2","3","2","10","1","8","1") = "9"
    & skf18("2","3","2","10","1","9","1") = "9"
    & skf18("2","3","2","10","1","10","1") = "9"
    & skf18("2","3","2","10","2","1","1") = "9"
    & skf18("2","3","2","10","2","2","1") = "9"
    & skf18("2","3","2","10","2","3","1") = "9"
    & skf18("2","3","2","10","2","4","1") = "9"
    & skf18("2","3","2","10","2","5","1") = "9"
    & skf18("2","3","2","10","2","6","1") = "9"
    & skf18("2","3","2","10","2","7","1") = "9"
    & skf18("2","3","2","10","2","8","1") = "9"
    & skf18("2","3","2","10","2","9","1") = "9"
    & skf18("2","3","2","10","2","10","1") = "9"
    & skf18("2","3","2","10","3","1","1") = "9"
    & skf18("2","3","2","10","3","2","1") = "9"
    & skf18("2","3","2","10","3","3","1") = "9"
    & skf18("2","3","2","10","3","4","1") = "9"
    & skf18("2","3","2","10","3","5","1") = "9"
    & skf18("2","3","2","10","3","6","1") = "9"
    & skf18("2","3","2","10","3","7","1") = "9"
    & skf18("2","3","2","10","3","8","1") = "9"
    & skf18("2","3","2","10","3","9","1") = "9"
    & skf18("2","3","2","10","3","10","1") = "9"
    & skf18("2","3","2","10","4","1","1") = "9"
    & skf18("2","3","2","10","4","2","1") = "9"
    & skf18("2","3","2","10","4","3","1") = "9"
    & skf18("2","3","2","10","4","4","1") = "9"
    & skf18("2","3","2","10","4","5","1") = "9"
    & skf18("2","3","2","10","4","6","1") = "9"
    & skf18("2","3","2","10","4","7","1") = "9"
    & skf18("2","3","2","10","4","8","1") = "9"
    & skf18("2","3","2","10","4","9","1") = "9"
    & skf18("2","3","2","10","4","10","1") = "9"
    & skf18("2","3","2","10","5","1","1") = "9"
    & skf18("2","3","2","10","5","2","1") = "9"
    & skf18("2","3","2","10","5","3","1") = "9"
    & skf18("2","3","2","10","5","4","1") = "9"
    & skf18("2","3","2","10","5","5","1") = "9"
    & skf18("2","3","2","10","5","6","1") = "9"
    & skf18("2","3","2","10","5","7","1") = "9"
    & skf18("2","3","2","10","5","8","1") = "9"
    & skf18("2","3","2","10","5","9","1") = "9"
    & skf18("2","3","2","10","5","10","1") = "9"
    & skf18("2","3","2","10","6","1","1") = "9"
    & skf18("2","3","2","10","6","2","1") = "9"
    & skf18("2","3","2","10","6","3","1") = "9"
    & skf18("2","3","2","10","6","4","1") = "9"
    & skf18("2","3","2","10","6","5","1") = "9"
    & skf18("2","3","2","10","6","6","1") = "9"
    & skf18("2","3","2","10","6","7","1") = "9"
    & skf18("2","3","2","10","6","8","1") = "9"
    & skf18("2","3","2","10","6","9","1") = "9"
    & skf18("2","3","2","10","6","10","1") = "9"
    & skf18("2","3","2","10","7","1","1") = "9"
    & skf18("2","3","2","10","7","2","1") = "9"
    & skf18("2","3","2","10","7","3","1") = "9"
    & skf18("2","3","2","10","7","4","1") = "9"
    & skf18("2","3","2","10","7","5","1") = "9"
    & skf18("2","3","2","10","7","6","1") = "9"
    & skf18("2","3","2","10","7","7","1") = "9"
    & skf18("2","3","2","10","7","8","1") = "9"
    & skf18("2","3","2","10","7","9","1") = "9"
    & skf18("2","3","2","10","7","10","1") = "9"
    & skf18("2","3","2","10","8","1","1") = "9"
    & skf18("2","3","2","10","8","2","1") = "9"
    & skf18("2","3","2","10","8","3","1") = "9"
    & skf18("2","3","2","10","8","4","1") = "9"
    & skf18("2","3","2","10","8","5","1") = "9"
    & skf18("2","3","2","10","8","6","1") = "9"
    & skf18("2","3","2","10","8","7","1") = "9"
    & skf18("2","3","2","10","8","8","1") = "9"
    & skf18("2","3","2","10","8","9","1") = "9"
    & skf18("2","3","2","10","8","10","1") = "9"
    & skf18("2","3","2","10","9","1","1") = "9"
    & skf18("2","3","2","10","9","2","1") = "9"
    & skf18("2","3","2","10","9","3","1") = "9"
    & skf18("2","3","2","10","9","4","1") = "9"
    & skf18("2","3","2","10","9","5","1") = "9"
    & skf18("2","3","2","10","9","6","1") = "9"
    & skf18("2","3","2","10","9","7","1") = "9"
    & skf18("2","3","2","10","9","8","1") = "9"
    & skf18("2","3","2","10","9","9","1") = "9"
    & skf18("2","3","2","10","9","10","1") = "9"
    & skf18("2","3","2","10","10","1","1") = "9"
    & skf18("2","3","2","10","10","2","1") = "9"
    & skf18("2","3","2","10","10","3","1") = "9"
    & skf18("2","3","2","10","10","4","1") = "9"
    & skf18("2","3","2","10","10","5","1") = "9"
    & skf18("2","3","2","10","10","6","1") = "9"
    & skf18("2","3","2","10","10","7","1") = "9"
    & skf18("2","3","2","10","10","8","1") = "9"
    & skf18("2","3","2","10","10","9","1") = "9"
    & skf18("2","3","2","10","10","10","1") = "9"
    & skf18("2","3","3","1","1","1","1") = "2"
    & skf18("2","3","3","1","1","2","1") = "2"
    & skf18("2","3","3","1","1","3","1") = "2"
    & skf18("2","3","3","1","1","4","1") = "3"
    & skf18("2","3","3","1","1","5","1") = "4"
    & skf18("2","3","3","1","1","6","1") = "5"
    & skf18("2","3","3","1","1","7","1") = "6"
    & skf18("2","3","3","1","1","8","1") = "7"
    & skf18("2","3","3","1","1","9","1") = "8"
    & skf18("2","3","3","1","1","10","1") = "9"
    & skf18("2","3","3","1","2","1","1") = "2"
    & skf18("2","3","3","1","2","2","1") = "2"
    & skf18("2","3","3","1","2","3","1") = "2"
    & skf18("2","3","3","1","2","4","1") = "3"
    & skf18("2","3","3","1","2","5","1") = "4"
    & skf18("2","3","3","1","2","6","1") = "5"
    & skf18("2","3","3","1","2","7","1") = "6"
    & skf18("2","3","3","1","2","8","1") = "7"
    & skf18("2","3","3","1","2","9","1") = "8"
    & skf18("2","3","3","1","2","10","1") = "9"
    & skf18("2","3","3","1","3","1","1") = "2"
    & skf18("2","3","3","1","3","2","1") = "2"
    & skf18("2","3","3","1","3","3","1") = "2"
    & skf18("2","3","3","1","3","4","1") = "3"
    & skf18("2","3","3","1","3","5","1") = "4"
    & skf18("2","3","3","1","3","6","1") = "5"
    & skf18("2","3","3","1","3","7","1") = "6"
    & skf18("2","3","3","1","3","8","1") = "7"
    & skf18("2","3","3","1","3","9","1") = "8"
    & skf18("2","3","3","1","3","10","1") = "9"
    & skf18("2","3","3","1","4","1","1") = "3"
    & skf18("2","3","3","1","4","2","1") = "3"
    & skf18("2","3","3","1","4","3","1") = "3"
    & skf18("2","3","3","1","4","4","1") = "3"
    & skf18("2","3","3","1","4","5","1") = "4"
    & skf18("2","3","3","1","4","6","1") = "5"
    & skf18("2","3","3","1","4","7","1") = "6"
    & skf18("2","3","3","1","4","8","1") = "7"
    & skf18("2","3","3","1","4","9","1") = "8"
    & skf18("2","3","3","1","4","10","1") = "9"
    & skf18("2","3","3","1","5","1","1") = "4"
    & skf18("2","3","3","1","5","2","1") = "4"
    & skf18("2","3","3","1","5","3","1") = "4"
    & skf18("2","3","3","1","5","4","1") = "4"
    & skf18("2","3","3","1","5","5","1") = "4"
    & skf18("2","3","3","1","5","6","1") = "5"
    & skf18("2","3","3","1","5","7","1") = "6"
    & skf18("2","3","3","1","5","8","1") = "7"
    & skf18("2","3","3","1","5","9","1") = "8"
    & skf18("2","3","3","1","5","10","1") = "9"
    & skf18("2","3","3","1","6","1","1") = "5"
    & skf18("2","3","3","1","6","2","1") = "5"
    & skf18("2","3","3","1","6","3","1") = "5"
    & skf18("2","3","3","1","6","4","1") = "5"
    & skf18("2","3","3","1","6","5","1") = "5"
    & skf18("2","3","3","1","6","6","1") = "5"
    & skf18("2","3","3","1","6","7","1") = "6"
    & skf18("2","3","3","1","6","8","1") = "7"
    & skf18("2","3","3","1","6","9","1") = "8"
    & skf18("2","3","3","1","6","10","1") = "9"
    & skf18("2","3","3","1","7","1","1") = "6"
    & skf18("2","3","3","1","7","2","1") = "6"
    & skf18("2","3","3","1","7","3","1") = "6"
    & skf18("2","3","3","1","7","4","1") = "6"
    & skf18("2","3","3","1","7","5","1") = "6"
    & skf18("2","3","3","1","7","6","1") = "6"
    & skf18("2","3","3","1","7","7","1") = "6"
    & skf18("2","3","3","1","7","8","1") = "7"
    & skf18("2","3","3","1","7","9","1") = "8"
    & skf18("2","3","3","1","7","10","1") = "9"
    & skf18("2","3","3","1","8","1","1") = "7"
    & skf18("2","3","3","1","8","2","1") = "7"
    & skf18("2","3","3","1","8","3","1") = "7"
    & skf18("2","3","3","1","8","4","1") = "7"
    & skf18("2","3","3","1","8","5","1") = "7"
    & skf18("2","3","3","1","8","6","1") = "7"
    & skf18("2","3","3","1","8","7","1") = "7"
    & skf18("2","3","3","1","8","8","1") = "7"
    & skf18("2","3","3","1","8","9","1") = "8"
    & skf18("2","3","3","1","8","10","1") = "9"
    & skf18("2","3","3","1","9","1","1") = "8"
    & skf18("2","3","3","1","9","2","1") = "8"
    & skf18("2","3","3","1","9","3","1") = "8"
    & skf18("2","3","3","1","9","4","1") = "8"
    & skf18("2","3","3","1","9","5","1") = "8"
    & skf18("2","3","3","1","9","6","1") = "8"
    & skf18("2","3","3","1","9","7","1") = "8"
    & skf18("2","3","3","1","9","8","1") = "8"
    & skf18("2","3","3","1","9","9","1") = "8"
    & skf18("2","3","3","1","9","10","1") = "9"
    & skf18("2","3","3","1","10","1","1") = "9"
    & skf18("2","3","3","1","10","2","1") = "9"
    & skf18("2","3","3","1","10","3","1") = "9"
    & skf18("2","3","3","1","10","4","1") = "9"
    & skf18("2","3","3","1","10","5","1") = "9"
    & skf18("2","3","3","1","10","6","1") = "9"
    & skf18("2","3","3","1","10","7","1") = "9"
    & skf18("2","3","3","1","10","8","1") = "9"
    & skf18("2","3","3","1","10","9","1") = "9"
    & skf18("2","3","3","1","10","10","1") = "9"
    & skf18("2","3","3","2","1","1","1") = "2"
    & skf18("2","3","3","2","1","2","1") = "2"
    & skf18("2","3","3","2","1","3","1") = "2"
    & skf18("2","3","3","2","1","4","1") = "3"
    & skf18("2","3","3","2","1","5","1") = "4"
    & skf18("2","3","3","2","1","6","1") = "5"
    & skf18("2","3","3","2","1","7","1") = "6"
    & skf18("2","3","3","2","1","8","1") = "7"
    & skf18("2","3","3","2","1","9","1") = "8"
    & skf18("2","3","3","2","1","10","1") = "9"
    & skf18("2","3","3","2","2","1","1") = "2"
    & skf18("2","3","3","2","2","2","1") = "2"
    & skf18("2","3","3","2","2","3","1") = "2"
    & skf18("2","3","3","2","2","4","1") = "3"
    & skf18("2","3","3","2","2","5","1") = "4"
    & skf18("2","3","3","2","2","6","1") = "5"
    & skf18("2","3","3","2","2","7","1") = "6"
    & skf18("2","3","3","2","2","8","1") = "7"
    & skf18("2","3","3","2","2","9","1") = "8"
    & skf18("2","3","3","2","2","10","1") = "9"
    & skf18("2","3","3","2","3","1","1") = "2"
    & skf18("2","3","3","2","3","2","1") = "2"
    & skf18("2","3","3","2","3","3","1") = "2"
    & skf18("2","3","3","2","3","4","1") = "3"
    & skf18("2","3","3","2","3","5","1") = "4"
    & skf18("2","3","3","2","3","6","1") = "5"
    & skf18("2","3","3","2","3","7","1") = "6"
    & skf18("2","3","3","2","3","8","1") = "7"
    & skf18("2","3","3","2","3","9","1") = "8"
    & skf18("2","3","3","2","3","10","1") = "9"
    & skf18("2","3","3","2","4","1","1") = "3"
    & skf18("2","3","3","2","4","2","1") = "3"
    & skf18("2","3","3","2","4","3","1") = "3"
    & skf18("2","3","3","2","4","4","1") = "3"
    & skf18("2","3","3","2","4","5","1") = "4"
    & skf18("2","3","3","2","4","6","1") = "5"
    & skf18("2","3","3","2","4","7","1") = "6"
    & skf18("2","3","3","2","4","8","1") = "7"
    & skf18("2","3","3","2","4","9","1") = "8"
    & skf18("2","3","3","2","4","10","1") = "9"
    & skf18("2","3","3","2","5","1","1") = "4"
    & skf18("2","3","3","2","5","2","1") = "4"
    & skf18("2","3","3","2","5","3","1") = "4"
    & skf18("2","3","3","2","5","4","1") = "4"
    & skf18("2","3","3","2","5","5","1") = "4"
    & skf18("2","3","3","2","5","6","1") = "5"
    & skf18("2","3","3","2","5","7","1") = "6"
    & skf18("2","3","3","2","5","8","1") = "7"
    & skf18("2","3","3","2","5","9","1") = "8"
    & skf18("2","3","3","2","5","10","1") = "9"
    & skf18("2","3","3","2","6","1","1") = "5"
    & skf18("2","3","3","2","6","2","1") = "5"
    & skf18("2","3","3","2","6","3","1") = "5"
    & skf18("2","3","3","2","6","4","1") = "5"
    & skf18("2","3","3","2","6","5","1") = "5"
    & skf18("2","3","3","2","6","6","1") = "5"
    & skf18("2","3","3","2","6","7","1") = "6"
    & skf18("2","3","3","2","6","8","1") = "7"
    & skf18("2","3","3","2","6","9","1") = "8"
    & skf18("2","3","3","2","6","10","1") = "9"
    & skf18("2","3","3","2","7","1","1") = "6"
    & skf18("2","3","3","2","7","2","1") = "6"
    & skf18("2","3","3","2","7","3","1") = "6"
    & skf18("2","3","3","2","7","4","1") = "6"
    & skf18("2","3","3","2","7","5","1") = "6"
    & skf18("2","3","3","2","7","6","1") = "6"
    & skf18("2","3","3","2","7","7","1") = "6"
    & skf18("2","3","3","2","7","8","1") = "7"
    & skf18("2","3","3","2","7","9","1") = "8"
    & skf18("2","3","3","2","7","10","1") = "9"
    & skf18("2","3","3","2","8","1","1") = "7"
    & skf18("2","3","3","2","8","2","1") = "7"
    & skf18("2","3","3","2","8","3","1") = "7"
    & skf18("2","3","3","2","8","4","1") = "7"
    & skf18("2","3","3","2","8","5","1") = "7"
    & skf18("2","3","3","2","8","6","1") = "7"
    & skf18("2","3","3","2","8","7","1") = "7"
    & skf18("2","3","3","2","8","8","1") = "7"
    & skf18("2","3","3","2","8","9","1") = "8"
    & skf18("2","3","3","2","8","10","1") = "9"
    & skf18("2","3","3","2","9","1","1") = "8"
    & skf18("2","3","3","2","9","2","1") = "8"
    & skf18("2","3","3","2","9","3","1") = "8"
    & skf18("2","3","3","2","9","4","1") = "8"
    & skf18("2","3","3","2","9","5","1") = "8"
    & skf18("2","3","3","2","9","6","1") = "8"
    & skf18("2","3","3","2","9","7","1") = "8"
    & skf18("2","3","3","2","9","8","1") = "8"
    & skf18("2","3","3","2","9","9","1") = "8"
    & skf18("2","3","3","2","9","10","1") = "9"
    & skf18("2","3","3","2","10","1","1") = "9"
    & skf18("2","3","3","2","10","2","1") = "9"
    & skf18("2","3","3","2","10","3","1") = "9"
    & skf18("2","3","3","2","10","4","1") = "9"
    & skf18("2","3","3","2","10","5","1") = "9"
    & skf18("2","3","3","2","10","6","1") = "9"
    & skf18("2","3","3","2","10","7","1") = "9"
    & skf18("2","3","3","2","10","8","1") = "9"
    & skf18("2","3","3","2","10","9","1") = "9"
    & skf18("2","3","3","2","10","10","1") = "9"
    & skf18("2","3","3","3","1","1","1") = "2"
    & skf18("2","3","3","3","1","2","1") = "2"
    & skf18("2","3","3","3","1","3","1") = "2"
    & skf18("2","3","3","3","1","4","1") = "3"
    & skf18("2","3","3","3","1","5","1") = "4"
    & skf18("2","3","3","3","1","6","1") = "5"
    & skf18("2","3","3","3","1","7","1") = "6"
    & skf18("2","3","3","3","1","8","1") = "7"
    & skf18("2","3","3","3","1","9","1") = "8"
    & skf18("2","3","3","3","1","10","1") = "9"
    & skf18("2","3","3","3","2","1","1") = "2"
    & skf18("2","3","3","3","2","2","1") = "2"
    & skf18("2","3","3","3","2","3","1") = "2"
    & skf18("2","3","3","3","2","4","1") = "3"
    & skf18("2","3","3","3","2","5","1") = "4"
    & skf18("2","3","3","3","2","6","1") = "5"
    & skf18("2","3","3","3","2","7","1") = "6"
    & skf18("2","3","3","3","2","8","1") = "7"
    & skf18("2","3","3","3","2","9","1") = "8"
    & skf18("2","3","3","3","2","10","1") = "9"
    & skf18("2","3","3","3","3","1","1") = "2"
    & skf18("2","3","3","3","3","2","1") = "1"
    & skf18("2","3","3","3","3","3","1") = "2"
    & skf18("2","3","3","3","3","4","1") = "3"
    & skf18("2","3","3","3","3","5","1") = "4"
    & skf18("2","3","3","3","3","6","1") = "5"
    & skf18("2","3","3","3","3","7","1") = "6"
    & skf18("2","3","3","3","3","8","1") = "7"
    & skf18("2","3","3","3","3","9","1") = "8"
    & skf18("2","3","3","3","3","10","1") = "9"
    & skf18("2","3","3","3","4","1","1") = "3"
    & skf18("2","3","3","3","4","2","1") = "3"
    & skf18("2","3","3","3","4","3","1") = "3"
    & skf18("2","3","3","3","4","4","1") = "3"
    & skf18("2","3","3","3","4","5","1") = "4"
    & skf18("2","3","3","3","4","6","1") = "5"
    & skf18("2","3","3","3","4","7","1") = "6"
    & skf18("2","3","3","3","4","8","1") = "7"
    & skf18("2","3","3","3","4","9","1") = "8"
    & skf18("2","3","3","3","4","10","1") = "9"
    & skf18("2","3","3","3","5","1","1") = "4"
    & skf18("2","3","3","3","5","2","1") = "4"
    & skf18("2","3","3","3","5","3","1") = "4"
    & skf18("2","3","3","3","5","4","1") = "4"
    & skf18("2","3","3","3","5","5","1") = "4"
    & skf18("2","3","3","3","5","6","1") = "5"
    & skf18("2","3","3","3","5","7","1") = "6"
    & skf18("2","3","3","3","5","8","1") = "7"
    & skf18("2","3","3","3","5","9","1") = "8"
    & skf18("2","3","3","3","5","10","1") = "9"
    & skf18("2","3","3","3","6","1","1") = "5"
    & skf18("2","3","3","3","6","2","1") = "5"
    & skf18("2","3","3","3","6","3","1") = "5"
    & skf18("2","3","3","3","6","4","1") = "5"
    & skf18("2","3","3","3","6","5","1") = "5"
    & skf18("2","3","3","3","6","6","1") = "5"
    & skf18("2","3","3","3","6","7","1") = "6"
    & skf18("2","3","3","3","6","8","1") = "7"
    & skf18("2","3","3","3","6","9","1") = "8"
    & skf18("2","3","3","3","6","10","1") = "9"
    & skf18("2","3","3","3","7","1","1") = "6"
    & skf18("2","3","3","3","7","2","1") = "6"
    & skf18("2","3","3","3","7","3","1") = "4"
    & skf18("2","3","3","3","7","4","1") = "4"
    & skf18("2","3","3","3","7","5","1") = "6"
    & skf18("2","3","3","3","7","6","1") = "6"
    & skf18("2","3","3","3","7","7","1") = "4"
    & skf18("2","3","3","3","7","8","1") = "7"
    & skf18("2","3","3","3","7","9","1") = "8"
    & skf18("2","3","3","3","7","10","1") = "9"
    & skf18("2","3","3","3","8","1","1") = "7"
    & skf18("2","3","3","3","8","2","1") = "7"
    & skf18("2","3","3","3","8","3","1") = "7"
    & skf18("2","3","3","3","8","4","1") = "7"
    & skf18("2","3","3","3","8","5","1") = "7"
    & skf18("2","3","3","3","8","6","1") = "7"
    & skf18("2","3","3","3","8","7","1") = "7"
    & skf18("2","3","3","3","8","8","1") = "7"
    & skf18("2","3","3","3","8","9","1") = "8"
    & skf18("2","3","3","3","8","10","1") = "9"
    & skf18("2","3","3","3","9","1","1") = "8"
    & skf18("2","3","3","3","9","2","1") = "8"
    & skf18("2","3","3","3","9","3","1") = "8"
    & skf18("2","3","3","3","9","4","1") = "8"
    & skf18("2","3","3","3","9","5","1") = "8"
    & skf18("2","3","3","3","9","6","1") = "8"
    & skf18("2","3","3","3","9","7","1") = "8"
    & skf18("2","3","3","3","9","8","1") = "8"
    & skf18("2","3","3","3","9","9","1") = "8"
    & skf18("2","3","3","3","9","10","1") = "9"
    & skf18("2","3","3","3","10","1","1") = "9"
    & skf18("2","3","3","3","10","2","1") = "9"
    & skf18("2","3","3","3","10","3","1") = "9"
    & skf18("2","3","3","3","10","4","1") = "9"
    & skf18("2","3","3","3","10","5","1") = "9"
    & skf18("2","3","3","3","10","6","1") = "9"
    & skf18("2","3","3","3","10","7","1") = "9"
    & skf18("2","3","3","3","10","8","1") = "9"
    & skf18("2","3","3","3","10","9","1") = "9"
    & skf18("2","3","3","3","10","10","1") = "9"
    & skf18("2","3","3","4","1","1","1") = "3"
    & skf18("2","3","3","4","1","2","1") = "3"
    & skf18("2","3","3","4","1","3","1") = "3"
    & skf18("2","3","3","4","1","4","1") = "3"
    & skf18("2","3","3","4","1","5","1") = "4"
    & skf18("2","3","3","4","1","6","1") = "5"
    & skf18("2","3","3","4","1","7","1") = "6"
    & skf18("2","3","3","4","1","8","1") = "7"
    & skf18("2","3","3","4","1","9","1") = "8"
    & skf18("2","3","3","4","1","10","1") = "9"
    & skf18("2","3","3","4","2","1","1") = "3"
    & skf18("2","3","3","4","2","2","1") = "3"
    & skf18("2","3","3","4","2","3","1") = "3"
    & skf18("2","3","3","4","2","4","1") = "3"
    & skf18("2","3","3","4","2","5","1") = "4"
    & skf18("2","3","3","4","2","6","1") = "5"
    & skf18("2","3","3","4","2","7","1") = "6"
    & skf18("2","3","3","4","2","8","1") = "7"
    & skf18("2","3","3","4","2","9","1") = "8"
    & skf18("2","3","3","4","2","10","1") = "9"
    & skf18("2","3","3","4","3","1","1") = "3"
    & skf18("2","3","3","4","3","2","1") = "3"
    & skf18("2","3","3","4","3","3","1") = "3"
    & skf18("2","3","3","4","3","4","1") = "3"
    & skf18("2","3","3","4","3","5","1") = "4"
    & skf18("2","3","3","4","3","6","1") = "5"
    & skf18("2","3","3","4","3","7","1") = "6"
    & skf18("2","3","3","4","3","8","1") = "7"
    & skf18("2","3","3","4","3","9","1") = "8"
    & skf18("2","3","3","4","3","10","1") = "9"
    & skf18("2","3","3","4","4","1","1") = "3"
    & skf18("2","3","3","4","4","2","1") = "3"
    & skf18("2","3","3","4","4","3","1") = "3"
    & skf18("2","3","3","4","4","4","1") = "3"
    & skf18("2","3","3","4","4","5","1") = "4"
    & skf18("2","3","3","4","4","6","1") = "5"
    & skf18("2","3","3","4","4","7","1") = "6"
    & skf18("2","3","3","4","4","8","1") = "7"
    & skf18("2","3","3","4","4","9","1") = "8"
    & skf18("2","3","3","4","4","10","1") = "9"
    & skf18("2","3","3","4","5","1","1") = "4"
    & skf18("2","3","3","4","5","2","1") = "4"
    & skf18("2","3","3","4","5","3","1") = "4"
    & skf18("2","3","3","4","5","4","1") = "4"
    & skf18("2","3","3","4","5","5","1") = "4"
    & skf18("2","3","3","4","5","6","1") = "5"
    & skf18("2","3","3","4","5","7","1") = "4"
    & skf18("2","3","3","4","5","8","1") = "7"
    & skf18("2","3","3","4","5","9","1") = "8"
    & skf18("2","3","3","4","5","10","1") = "9"
    & skf18("2","3","3","4","6","1","1") = "5"
    & skf18("2","3","3","4","6","2","1") = "5"
    & skf18("2","3","3","4","6","3","1") = "5"
    & skf18("2","3","3","4","6","4","1") = "5"
    & skf18("2","3","3","4","6","5","1") = "5"
    & skf18("2","3","3","4","6","6","1") = "5"
    & skf18("2","3","3","4","6","7","1") = "6"
    & skf18("2","3","3","4","6","8","1") = "7"
    & skf18("2","3","3","4","6","9","1") = "8"
    & skf18("2","3","3","4","6","10","1") = "9"
    & skf18("2","3","3","4","7","1","1") = "4"
    & skf18("2","3","3","4","7","2","1") = "4"
    & skf18("2","3","3","4","7","3","1") = "6"
    & skf18("2","3","3","4","7","4","1") = "4"
    & skf18("2","3","3","4","7","5","1") = "6"
    & skf18("2","3","3","4","7","6","1") = "6"
    & skf18("2","3","3","4","7","7","1") = "6"
    & skf18("2","3","3","4","7","8","1") = "7"
    & skf18("2","3","3","4","7","9","1") = "8"
    & skf18("2","3","3","4","7","10","1") = "9"
    & skf18("2","3","3","4","8","1","1") = "7"
    & skf18("2","3","3","4","8","2","1") = "7"
    & skf18("2","3","3","4","8","3","1") = "7"
    & skf18("2","3","3","4","8","4","1") = "7"
    & skf18("2","3","3","4","8","5","1") = "7"
    & skf18("2","3","3","4","8","6","1") = "7"
    & skf18("2","3","3","4","8","7","1") = "7"
    & skf18("2","3","3","4","8","8","1") = "7"
    & skf18("2","3","3","4","8","9","1") = "8"
    & skf18("2","3","3","4","8","10","1") = "9"
    & skf18("2","3","3","4","9","1","1") = "8"
    & skf18("2","3","3","4","9","2","1") = "8"
    & skf18("2","3","3","4","9","3","1") = "8"
    & skf18("2","3","3","4","9","4","1") = "8"
    & skf18("2","3","3","4","9","5","1") = "8"
    & skf18("2","3","3","4","9","6","1") = "8"
    & skf18("2","3","3","4","9","7","1") = "8"
    & skf18("2","3","3","4","9","8","1") = "8"
    & skf18("2","3","3","4","9","9","1") = "8"
    & skf18("2","3","3","4","9","10","1") = "9"
    & skf18("2","3","3","4","10","1","1") = "9"
    & skf18("2","3","3","4","10","2","1") = "9"
    & skf18("2","3","3","4","10","3","1") = "9"
    & skf18("2","3","3","4","10","4","1") = "9"
    & skf18("2","3","3","4","10","5","1") = "9"
    & skf18("2","3","3","4","10","6","1") = "9"
    & skf18("2","3","3","4","10","7","1") = "9"
    & skf18("2","3","3","4","10","8","1") = "9"
    & skf18("2","3","3","4","10","9","1") = "9"
    & skf18("2","3","3","4","10","10","1") = "9"
    & skf18("2","3","3","5","1","1","1") = "4"
    & skf18("2","3","3","5","1","2","1") = "4"
    & skf18("2","3","3","5","1","3","1") = "4"
    & skf18("2","3","3","5","1","4","1") = "4"
    & skf18("2","3","3","5","1","5","1") = "4"
    & skf18("2","3","3","5","1","6","1") = "5"
    & skf18("2","3","3","5","1","7","1") = "6"
    & skf18("2","3","3","5","1","8","1") = "7"
    & skf18("2","3","3","5","1","9","1") = "8"
    & skf18("2","3","3","5","1","10","1") = "9"
    & skf18("2","3","3","5","2","1","1") = "4"
    & skf18("2","3","3","5","2","2","1") = "4"
    & skf18("2","3","3","5","2","3","1") = "4"
    & skf18("2","3","3","5","2","4","1") = "4"
    & skf18("2","3","3","5","2","5","1") = "4"
    & skf18("2","3","3","5","2","6","1") = "5"
    & skf18("2","3","3","5","2","7","1") = "6"
    & skf18("2","3","3","5","2","8","1") = "7"
    & skf18("2","3","3","5","2","9","1") = "8"
    & skf18("2","3","3","5","2","10","1") = "9"
    & skf18("2","3","3","5","3","1","1") = "4"
    & skf18("2","3","3","5","3","2","1") = "4"
    & skf18("2","3","3","5","3","3","1") = "4"
    & skf18("2","3","3","5","3","4","1") = "4"
    & skf18("2","3","3","5","3","5","1") = "4"
    & skf18("2","3","3","5","3","6","1") = "5"
    & skf18("2","3","3","5","3","7","1") = "6"
    & skf18("2","3","3","5","3","8","1") = "7"
    & skf18("2","3","3","5","3","9","1") = "8"
    & skf18("2","3","3","5","3","10","1") = "9"
    & skf18("2","3","3","5","4","1","1") = "4"
    & skf18("2","3","3","5","4","2","1") = "4"
    & skf18("2","3","3","5","4","3","1") = "4"
    & skf18("2","3","3","5","4","4","1") = "4"
    & skf18("2","3","3","5","4","5","1") = "4"
    & skf18("2","3","3","5","4","6","1") = "5"
    & skf18("2","3","3","5","4","7","1") = "6"
    & skf18("2","3","3","5","4","8","1") = "7"
    & skf18("2","3","3","5","4","9","1") = "8"
    & skf18("2","3","3","5","4","10","1") = "9"
    & skf18("2","3","3","5","5","1","1") = "4"
    & skf18("2","3","3","5","5","2","1") = "4"
    & skf18("2","3","3","5","5","3","1") = "4"
    & skf18("2","3","3","5","5","4","1") = "4"
    & skf18("2","3","3","5","5","5","1") = "4"
    & skf18("2","3","3","5","5","6","1") = "5"
    & skf18("2","3","3","5","5","7","1") = "6"
    & skf18("2","3","3","5","5","8","1") = "7"
    & skf18("2","3","3","5","5","9","1") = "8"
    & skf18("2","3","3","5","5","10","1") = "9"
    & skf18("2","3","3","5","6","1","1") = "5"
    & skf18("2","3","3","5","6","2","1") = "5"
    & skf18("2","3","3","5","6","3","1") = "5"
    & skf18("2","3","3","5","6","4","1") = "5"
    & skf18("2","3","3","5","6","5","1") = "5"
    & skf18("2","3","3","5","6","6","1") = "5"
    & skf18("2","3","3","5","6","7","1") = "6"
    & skf18("2","3","3","5","6","8","1") = "7"
    & skf18("2","3","3","5","6","9","1") = "8"
    & skf18("2","3","3","5","6","10","1") = "9"
    & skf18("2","3","3","5","7","1","1") = "6"
    & skf18("2","3","3","5","7","2","1") = "6"
    & skf18("2","3","3","5","7","3","1") = "6"
    & skf18("2","3","3","5","7","4","1") = "6"
    & skf18("2","3","3","5","7","5","1") = "6"
    & skf18("2","3","3","5","7","6","1") = "6"
    & skf18("2","3","3","5","7","7","1") = "6"
    & skf18("2","3","3","5","7","8","1") = "7"
    & skf18("2","3","3","5","7","9","1") = "8"
    & skf18("2","3","3","5","7","10","1") = "9"
    & skf18("2","3","3","5","8","1","1") = "7"
    & skf18("2","3","3","5","8","2","1") = "7"
    & skf18("2","3","3","5","8","3","1") = "7"
    & skf18("2","3","3","5","8","4","1") = "7"
    & skf18("2","3","3","5","8","5","1") = "7"
    & skf18("2","3","3","5","8","6","1") = "7"
    & skf18("2","3","3","5","8","7","1") = "7"
    & skf18("2","3","3","5","8","8","1") = "7"
    & skf18("2","3","3","5","8","9","1") = "8"
    & skf18("2","3","3","5","8","10","1") = "9"
    & skf18("2","3","3","5","9","1","1") = "8"
    & skf18("2","3","3","5","9","2","1") = "8"
    & skf18("2","3","3","5","9","3","1") = "8"
    & skf18("2","3","3","5","9","4","1") = "8"
    & skf18("2","3","3","5","9","5","1") = "8"
    & skf18("2","3","3","5","9","6","1") = "8"
    & skf18("2","3","3","5","9","7","1") = "8"
    & skf18("2","3","3","5","9","8","1") = "8"
    & skf18("2","3","3","5","9","9","1") = "8"
    & skf18("2","3","3","5","9","10","1") = "9"
    & skf18("2","3","3","5","10","1","1") = "9"
    & skf18("2","3","3","5","10","2","1") = "9"
    & skf18("2","3","3","5","10","3","1") = "9"
    & skf18("2","3","3","5","10","4","1") = "9"
    & skf18("2","3","3","5","10","5","1") = "9"
    & skf18("2","3","3","5","10","6","1") = "9"
    & skf18("2","3","3","5","10","7","1") = "9"
    & skf18("2","3","3","5","10","8","1") = "9"
    & skf18("2","3","3","5","10","9","1") = "9"
    & skf18("2","3","3","5","10","10","1") = "9"
    & skf18("2","3","3","6","1","1","1") = "5"
    & skf18("2","3","3","6","1","2","1") = "5"
    & skf18("2","3","3","6","1","3","1") = "5"
    & skf18("2","3","3","6","1","4","1") = "5"
    & skf18("2","3","3","6","1","5","1") = "5"
    & skf18("2","3","3","6","1","6","1") = "5"
    & skf18("2","3","3","6","1","7","1") = "6"
    & skf18("2","3","3","6","1","8","1") = "7"
    & skf18("2","3","3","6","1","9","1") = "8"
    & skf18("2","3","3","6","1","10","1") = "9"
    & skf18("2","3","3","6","2","1","1") = "5"
    & skf18("2","3","3","6","2","2","1") = "5"
    & skf18("2","3","3","6","2","3","1") = "5"
    & skf18("2","3","3","6","2","4","1") = "5"
    & skf18("2","3","3","6","2","5","1") = "5"
    & skf18("2","3","3","6","2","6","1") = "5"
    & skf18("2","3","3","6","2","7","1") = "6"
    & skf18("2","3","3","6","2","8","1") = "7"
    & skf18("2","3","3","6","2","9","1") = "8"
    & skf18("2","3","3","6","2","10","1") = "9"
    & skf18("2","3","3","6","3","1","1") = "5"
    & skf18("2","3","3","6","3","2","1") = "5"
    & skf18("2","3","3","6","3","3","1") = "5"
    & skf18("2","3","3","6","3","4","1") = "5"
    & skf18("2","3","3","6","3","5","1") = "5"
    & skf18("2","3","3","6","3","6","1") = "5"
    & skf18("2","3","3","6","3","7","1") = "6"
    & skf18("2","3","3","6","3","8","1") = "7"
    & skf18("2","3","3","6","3","9","1") = "8"
    & skf18("2","3","3","6","3","10","1") = "9"
    & skf18("2","3","3","6","4","1","1") = "5"
    & skf18("2","3","3","6","4","2","1") = "5"
    & skf18("2","3","3","6","4","3","1") = "5"
    & skf18("2","3","3","6","4","4","1") = "5"
    & skf18("2","3","3","6","4","5","1") = "5"
    & skf18("2","3","3","6","4","6","1") = "5"
    & skf18("2","3","3","6","4","7","1") = "6"
    & skf18("2","3","3","6","4","8","1") = "7"
    & skf18("2","3","3","6","4","9","1") = "8"
    & skf18("2","3","3","6","4","10","1") = "9"
    & skf18("2","3","3","6","5","1","1") = "5"
    & skf18("2","3","3","6","5","2","1") = "5"
    & skf18("2","3","3","6","5","3","1") = "5"
    & skf18("2","3","3","6","5","4","1") = "5"
    & skf18("2","3","3","6","5","5","1") = "5"
    & skf18("2","3","3","6","5","6","1") = "5"
    & skf18("2","3","3","6","5","7","1") = "6"
    & skf18("2","3","3","6","5","8","1") = "7"
    & skf18("2","3","3","6","5","9","1") = "8"
    & skf18("2","3","3","6","5","10","1") = "9"
    & skf18("2","3","3","6","6","1","1") = "5"
    & skf18("2","3","3","6","6","2","1") = "5"
    & skf18("2","3","3","6","6","3","1") = "5"
    & skf18("2","3","3","6","6","4","1") = "5"
    & skf18("2","3","3","6","6","5","1") = "5"
    & skf18("2","3","3","6","6","6","1") = "5"
    & skf18("2","3","3","6","6","7","1") = "6"
    & skf18("2","3","3","6","6","8","1") = "7"
    & skf18("2","3","3","6","6","9","1") = "8"
    & skf18("2","3","3","6","6","10","1") = "9"
    & skf18("2","3","3","6","7","1","1") = "6"
    & skf18("2","3","3","6","7","2","1") = "6"
    & skf18("2","3","3","6","7","3","1") = "6"
    & skf18("2","3","3","6","7","4","1") = "6"
    & skf18("2","3","3","6","7","5","1") = "6"
    & skf18("2","3","3","6","7","6","1") = "6"
    & skf18("2","3","3","6","7","7","1") = "6"
    & skf18("2","3","3","6","7","8","1") = "7"
    & skf18("2","3","3","6","7","9","1") = "8"
    & skf18("2","3","3","6","7","10","1") = "9"
    & skf18("2","3","3","6","8","1","1") = "7"
    & skf18("2","3","3","6","8","2","1") = "7"
    & skf18("2","3","3","6","8","3","1") = "7"
    & skf18("2","3","3","6","8","4","1") = "7"
    & skf18("2","3","3","6","8","5","1") = "7"
    & skf18("2","3","3","6","8","6","1") = "7"
    & skf18("2","3","3","6","8","7","1") = "7"
    & skf18("2","3","3","6","8","8","1") = "7"
    & skf18("2","3","3","6","8","9","1") = "8"
    & skf18("2","3","3","6","8","10","1") = "9"
    & skf18("2","3","3","6","9","1","1") = "8"
    & skf18("2","3","3","6","9","2","1") = "8"
    & skf18("2","3","3","6","9","3","1") = "8"
    & skf18("2","3","3","6","9","4","1") = "8"
    & skf18("2","3","3","6","9","5","1") = "8"
    & skf18("2","3","3","6","9","6","1") = "8"
    & skf18("2","3","3","6","9","7","1") = "8"
    & skf18("2","3","3","6","9","8","1") = "8"
    & skf18("2","3","3","6","9","9","1") = "8"
    & skf18("2","3","3","6","9","10","1") = "9"
    & skf18("2","3","3","6","10","1","1") = "9"
    & skf18("2","3","3","6","10","2","1") = "9"
    & skf18("2","3","3","6","10","3","1") = "9"
    & skf18("2","3","3","6","10","4","1") = "9"
    & skf18("2","3","3","6","10","5","1") = "9"
    & skf18("2","3","3","6","10","6","1") = "9"
    & skf18("2","3","3","6","10","7","1") = "9"
    & skf18("2","3","3","6","10","8","1") = "9"
    & skf18("2","3","3","6","10","9","1") = "9"
    & skf18("2","3","3","6","10","10","1") = "9"
    & skf18("2","3","3","7","1","1","1") = "6"
    & skf18("2","3","3","7","1","2","1") = "6"
    & skf18("2","3","3","7","1","3","1") = "6"
    & skf18("2","3","3","7","1","4","1") = "6"
    & skf18("2","3","3","7","1","5","1") = "6"
    & skf18("2","3","3","7","1","6","1") = "6"
    & skf18("2","3","3","7","1","7","1") = "6"
    & skf18("2","3","3","7","1","8","1") = "7"
    & skf18("2","3","3","7","1","9","1") = "8"
    & skf18("2","3","3","7","1","10","1") = "9"
    & skf18("2","3","3","7","2","1","1") = "6"
    & skf18("2","3","3","7","2","2","1") = "6"
    & skf18("2","3","3","7","2","3","1") = "6"
    & skf18("2","3","3","7","2","4","1") = "6"
    & skf18("2","3","3","7","2","5","1") = "6"
    & skf18("2","3","3","7","2","6","1") = "6"
    & skf18("2","3","3","7","2","7","1") = "6"
    & skf18("2","3","3","7","2","8","1") = "7"
    & skf18("2","3","3","7","2","9","1") = "8"
    & skf18("2","3","3","7","2","10","1") = "9"
    & skf18("2","3","3","7","3","1","1") = "6"
    & skf18("2","3","3","7","3","2","1") = "6"
    & skf18("2","3","3","7","3","3","1") = "6"
    & skf18("2","3","3","7","3","4","1") = "6"
    & skf18("2","3","3","7","3","5","1") = "6"
    & skf18("2","3","3","7","3","6","1") = "6"
    & skf18("2","3","3","7","3","7","1") = "6"
    & skf18("2","3","3","7","3","8","1") = "7"
    & skf18("2","3","3","7","3","9","1") = "8"
    & skf18("2","3","3","7","3","10","1") = "9"
    & skf18("2","3","3","7","4","1","1") = "6"
    & skf18("2","3","3","7","4","2","1") = "6"
    & skf18("2","3","3","7","4","3","1") = "6"
    & skf18("2","3","3","7","4","4","1") = "6"
    & skf18("2","3","3","7","4","5","1") = "6"
    & skf18("2","3","3","7","4","6","1") = "6"
    & skf18("2","3","3","7","4","7","1") = "6"
    & skf18("2","3","3","7","4","8","1") = "7"
    & skf18("2","3","3","7","4","9","1") = "8"
    & skf18("2","3","3","7","4","10","1") = "9"
    & skf18("2","3","3","7","5","1","1") = "6"
    & skf18("2","3","3","7","5","2","1") = "6"
    & skf18("2","3","3","7","5","3","1") = "6"
    & skf18("2","3","3","7","5","4","1") = "6"
    & skf18("2","3","3","7","5","5","1") = "6"
    & skf18("2","3","3","7","5","6","1") = "6"
    & skf18("2","3","3","7","5","7","1") = "6"
    & skf18("2","3","3","7","5","8","1") = "7"
    & skf18("2","3","3","7","5","9","1") = "8"
    & skf18("2","3","3","7","5","10","1") = "9"
    & skf18("2","3","3","7","6","1","1") = "6"
    & skf18("2","3","3","7","6","2","1") = "6"
    & skf18("2","3","3","7","6","3","1") = "6"
    & skf18("2","3","3","7","6","4","1") = "6"
    & skf18("2","3","3","7","6","5","1") = "6"
    & skf18("2","3","3","7","6","6","1") = "6"
    & skf18("2","3","3","7","6","7","1") = "6"
    & skf18("2","3","3","7","6","8","1") = "7"
    & skf18("2","3","3","7","6","9","1") = "8"
    & skf18("2","3","3","7","6","10","1") = "9"
    & skf18("2","3","3","7","7","1","1") = "6"
    & skf18("2","3","3","7","7","2","1") = "6"
    & skf18("2","3","3","7","7","3","1") = "6"
    & skf18("2","3","3","7","7","4","1") = "6"
    & skf18("2","3","3","7","7","5","1") = "6"
    & skf18("2","3","3","7","7","6","1") = "6"
    & skf18("2","3","3","7","7","7","1") = "6"
    & skf18("2","3","3","7","7","8","1") = "7"
    & skf18("2","3","3","7","7","9","1") = "8"
    & skf18("2","3","3","7","7","10","1") = "9"
    & skf18("2","3","3","7","8","1","1") = "7"
    & skf18("2","3","3","7","8","2","1") = "7"
    & skf18("2","3","3","7","8","3","1") = "7"
    & skf18("2","3","3","7","8","4","1") = "7"
    & skf18("2","3","3","7","8","5","1") = "7"
    & skf18("2","3","3","7","8","6","1") = "7"
    & skf18("2","3","3","7","8","7","1") = "7"
    & skf18("2","3","3","7","8","8","1") = "7"
    & skf18("2","3","3","7","8","9","1") = "8"
    & skf18("2","3","3","7","8","10","1") = "9"
    & skf18("2","3","3","7","9","1","1") = "8"
    & skf18("2","3","3","7","9","2","1") = "8"
    & skf18("2","3","3","7","9","3","1") = "8"
    & skf18("2","3","3","7","9","4","1") = "8"
    & skf18("2","3","3","7","9","5","1") = "8"
    & skf18("2","3","3","7","9","6","1") = "8"
    & skf18("2","3","3","7","9","7","1") = "8"
    & skf18("2","3","3","7","9","8","1") = "8"
    & skf18("2","3","3","7","9","9","1") = "8"
    & skf18("2","3","3","7","9","10","1") = "9"
    & skf18("2","3","3","7","10","1","1") = "9"
    & skf18("2","3","3","7","10","2","1") = "9"
    & skf18("2","3","3","7","10","3","1") = "9"
    & skf18("2","3","3","7","10","4","1") = "9"
    & skf18("2","3","3","7","10","5","1") = "9"
    & skf18("2","3","3","7","10","6","1") = "9"
    & skf18("2","3","3","7","10","7","1") = "9"
    & skf18("2","3","3","7","10","8","1") = "9"
    & skf18("2","3","3","7","10","9","1") = "9"
    & skf18("2","3","3","7","10","10","1") = "9"
    & skf18("2","3","3","8","1","1","1") = "7"
    & skf18("2","3","3","8","1","2","1") = "7"
    & skf18("2","3","3","8","1","3","1") = "7"
    & skf18("2","3","3","8","1","4","1") = "7"
    & skf18("2","3","3","8","1","5","1") = "7"
    & skf18("2","3","3","8","1","6","1") = "7"
    & skf18("2","3","3","8","1","7","1") = "7"
    & skf18("2","3","3","8","1","8","1") = "7"
    & skf18("2","3","3","8","1","9","1") = "8"
    & skf18("2","3","3","8","1","10","1") = "9"
    & skf18("2","3","3","8","2","1","1") = "7"
    & skf18("2","3","3","8","2","2","1") = "7"
    & skf18("2","3","3","8","2","3","1") = "7"
    & skf18("2","3","3","8","2","4","1") = "7"
    & skf18("2","3","3","8","2","5","1") = "7"
    & skf18("2","3","3","8","2","6","1") = "7"
    & skf18("2","3","3","8","2","7","1") = "7"
    & skf18("2","3","3","8","2","8","1") = "7"
    & skf18("2","3","3","8","2","9","1") = "8"
    & skf18("2","3","3","8","2","10","1") = "9"
    & skf18("2","3","3","8","3","1","1") = "7"
    & skf18("2","3","3","8","3","2","1") = "7"
    & skf18("2","3","3","8","3","3","1") = "7"
    & skf18("2","3","3","8","3","4","1") = "7"
    & skf18("2","3","3","8","3","5","1") = "7"
    & skf18("2","3","3","8","3","6","1") = "7"
    & skf18("2","3","3","8","3","7","1") = "7"
    & skf18("2","3","3","8","3","8","1") = "7"
    & skf18("2","3","3","8","3","9","1") = "8"
    & skf18("2","3","3","8","3","10","1") = "9"
    & skf18("2","3","3","8","4","1","1") = "7"
    & skf18("2","3","3","8","4","2","1") = "7"
    & skf18("2","3","3","8","4","3","1") = "7"
    & skf18("2","3","3","8","4","4","1") = "7"
    & skf18("2","3","3","8","4","5","1") = "7"
    & skf18("2","3","3","8","4","6","1") = "7"
    & skf18("2","3","3","8","4","7","1") = "7"
    & skf18("2","3","3","8","4","8","1") = "7"
    & skf18("2","3","3","8","4","9","1") = "8"
    & skf18("2","3","3","8","4","10","1") = "9"
    & skf18("2","3","3","8","5","1","1") = "7"
    & skf18("2","3","3","8","5","2","1") = "7"
    & skf18("2","3","3","8","5","3","1") = "7"
    & skf18("2","3","3","8","5","4","1") = "7"
    & skf18("2","3","3","8","5","5","1") = "7"
    & skf18("2","3","3","8","5","6","1") = "7"
    & skf18("2","3","3","8","5","7","1") = "7"
    & skf18("2","3","3","8","5","8","1") = "7"
    & skf18("2","3","3","8","5","9","1") = "8"
    & skf18("2","3","3","8","5","10","1") = "9"
    & skf18("2","3","3","8","6","1","1") = "7"
    & skf18("2","3","3","8","6","2","1") = "7"
    & skf18("2","3","3","8","6","3","1") = "7"
    & skf18("2","3","3","8","6","4","1") = "7"
    & skf18("2","3","3","8","6","5","1") = "7"
    & skf18("2","3","3","8","6","6","1") = "7"
    & skf18("2","3","3","8","6","7","1") = "7"
    & skf18("2","3","3","8","6","8","1") = "7"
    & skf18("2","3","3","8","6","9","1") = "8"
    & skf18("2","3","3","8","6","10","1") = "9"
    & skf18("2","3","3","8","7","1","1") = "7"
    & skf18("2","3","3","8","7","2","1") = "7"
    & skf18("2","3","3","8","7","3","1") = "7"
    & skf18("2","3","3","8","7","4","1") = "7"
    & skf18("2","3","3","8","7","5","1") = "7"
    & skf18("2","3","3","8","7","6","1") = "7"
    & skf18("2","3","3","8","7","7","1") = "7"
    & skf18("2","3","3","8","7","8","1") = "7"
    & skf18("2","3","3","8","7","9","1") = "8"
    & skf18("2","3","3","8","7","10","1") = "9"
    & skf18("2","3","3","8","8","1","1") = "7"
    & skf18("2","3","3","8","8","2","1") = "7"
    & skf18("2","3","3","8","8","3","1") = "7"
    & skf18("2","3","3","8","8","4","1") = "7"
    & skf18("2","3","3","8","8","5","1") = "7"
    & skf18("2","3","3","8","8","6","1") = "7"
    & skf18("2","3","3","8","8","7","1") = "7"
    & skf18("2","3","3","8","8","8","1") = "7"
    & skf18("2","3","3","8","8","9","1") = "8"
    & skf18("2","3","3","8","8","10","1") = "9"
    & skf18("2","3","3","8","9","1","1") = "8"
    & skf18("2","3","3","8","9","2","1") = "8"
    & skf18("2","3","3","8","9","3","1") = "8"
    & skf18("2","3","3","8","9","4","1") = "8"
    & skf18("2","3","3","8","9","5","1") = "8"
    & skf18("2","3","3","8","9","6","1") = "8"
    & skf18("2","3","3","8","9","7","1") = "8"
    & skf18("2","3","3","8","9","8","1") = "8"
    & skf18("2","3","3","8","9","9","1") = "8"
    & skf18("2","3","3","8","9","10","1") = "9"
    & skf18("2","3","3","8","10","1","1") = "9"
    & skf18("2","3","3","8","10","2","1") = "9"
    & skf18("2","3","3","8","10","3","1") = "9"
    & skf18("2","3","3","8","10","4","1") = "9"
    & skf18("2","3","3","8","10","5","1") = "9"
    & skf18("2","3","3","8","10","6","1") = "9"
    & skf18("2","3","3","8","10","7","1") = "9"
    & skf18("2","3","3","8","10","8","1") = "9"
    & skf18("2","3","3","8","10","9","1") = "9"
    & skf18("2","3","3","8","10","10","1") = "9"
    & skf18("2","3","3","9","1","1","1") = "8"
    & skf18("2","3","3","9","1","2","1") = "8"
    & skf18("2","3","3","9","1","3","1") = "8"
    & skf18("2","3","3","9","1","4","1") = "8"
    & skf18("2","3","3","9","1","5","1") = "8"
    & skf18("2","3","3","9","1","6","1") = "8"
    & skf18("2","3","3","9","1","7","1") = "8"
    & skf18("2","3","3","9","1","8","1") = "8"
    & skf18("2","3","3","9","1","9","1") = "8"
    & skf18("2","3","3","9","1","10","1") = "9"
    & skf18("2","3","3","9","2","1","1") = "8"
    & skf18("2","3","3","9","2","2","1") = "8"
    & skf18("2","3","3","9","2","3","1") = "8"
    & skf18("2","3","3","9","2","4","1") = "8"
    & skf18("2","3","3","9","2","5","1") = "8"
    & skf18("2","3","3","9","2","6","1") = "8"
    & skf18("2","3","3","9","2","7","1") = "8"
    & skf18("2","3","3","9","2","8","1") = "8"
    & skf18("2","3","3","9","2","9","1") = "8"
    & skf18("2","3","3","9","2","10","1") = "9"
    & skf18("2","3","3","9","3","1","1") = "8"
    & skf18("2","3","3","9","3","2","1") = "8"
    & skf18("2","3","3","9","3","3","1") = "8"
    & skf18("2","3","3","9","3","4","1") = "8"
    & skf18("2","3","3","9","3","5","1") = "8"
    & skf18("2","3","3","9","3","6","1") = "8"
    & skf18("2","3","3","9","3","7","1") = "8"
    & skf18("2","3","3","9","3","8","1") = "8"
    & skf18("2","3","3","9","3","9","1") = "8"
    & skf18("2","3","3","9","3","10","1") = "9"
    & skf18("2","3","3","9","4","1","1") = "8"
    & skf18("2","3","3","9","4","2","1") = "8"
    & skf18("2","3","3","9","4","3","1") = "8"
    & skf18("2","3","3","9","4","4","1") = "8"
    & skf18("2","3","3","9","4","5","1") = "8"
    & skf18("2","3","3","9","4","6","1") = "8"
    & skf18("2","3","3","9","4","7","1") = "8"
    & skf18("2","3","3","9","4","8","1") = "8"
    & skf18("2","3","3","9","4","9","1") = "8"
    & skf18("2","3","3","9","4","10","1") = "9"
    & skf18("2","3","3","9","5","1","1") = "8"
    & skf18("2","3","3","9","5","2","1") = "8"
    & skf18("2","3","3","9","5","3","1") = "8"
    & skf18("2","3","3","9","5","4","1") = "8"
    & skf18("2","3","3","9","5","5","1") = "8"
    & skf18("2","3","3","9","5","6","1") = "8"
    & skf18("2","3","3","9","5","7","1") = "8"
    & skf18("2","3","3","9","5","8","1") = "8"
    & skf18("2","3","3","9","5","9","1") = "8"
    & skf18("2","3","3","9","5","10","1") = "9"
    & skf18("2","3","3","9","6","1","1") = "8"
    & skf18("2","3","3","9","6","2","1") = "8"
    & skf18("2","3","3","9","6","3","1") = "8"
    & skf18("2","3","3","9","6","4","1") = "8"
    & skf18("2","3","3","9","6","5","1") = "8"
    & skf18("2","3","3","9","6","6","1") = "8"
    & skf18("2","3","3","9","6","7","1") = "8"
    & skf18("2","3","3","9","6","8","1") = "8"
    & skf18("2","3","3","9","6","9","1") = "8"
    & skf18("2","3","3","9","6","10","1") = "9"
    & skf18("2","3","3","9","7","1","1") = "8"
    & skf18("2","3","3","9","7","2","1") = "8"
    & skf18("2","3","3","9","7","3","1") = "8"
    & skf18("2","3","3","9","7","4","1") = "8"
    & skf18("2","3","3","9","7","5","1") = "8"
    & skf18("2","3","3","9","7","6","1") = "8"
    & skf18("2","3","3","9","7","7","1") = "8"
    & skf18("2","3","3","9","7","8","1") = "8"
    & skf18("2","3","3","9","7","9","1") = "8"
    & skf18("2","3","3","9","7","10","1") = "9"
    & skf18("2","3","3","9","8","1","1") = "8"
    & skf18("2","3","3","9","8","2","1") = "8"
    & skf18("2","3","3","9","8","3","1") = "8"
    & skf18("2","3","3","9","8","4","1") = "8"
    & skf18("2","3","3","9","8","5","1") = "8"
    & skf18("2","3","3","9","8","6","1") = "8"
    & skf18("2","3","3","9","8","7","1") = "8"
    & skf18("2","3","3","9","8","8","1") = "8"
    & skf18("2","3","3","9","8","9","1") = "8"
    & skf18("2","3","3","9","8","10","1") = "9"
    & skf18("2","3","3","9","9","1","1") = "8"
    & skf18("2","3","3","9","9","2","1") = "8"
    & skf18("2","3","3","9","9","3","1") = "8"
    & skf18("2","3","3","9","9","4","1") = "8"
    & skf18("2","3","3","9","9","5","1") = "8"
    & skf18("2","3","3","9","9","6","1") = "8"
    & skf18("2","3","3","9","9","7","1") = "8"
    & skf18("2","3","3","9","9","8","1") = "8"
    & skf18("2","3","3","9","9","9","1") = "8"
    & skf18("2","3","3","9","9","10","1") = "9"
    & skf18("2","3","3","9","10","1","1") = "9"
    & skf18("2","3","3","9","10","2","1") = "9"
    & skf18("2","3","3","9","10","3","1") = "9"
    & skf18("2","3","3","9","10","4","1") = "9"
    & skf18("2","3","3","9","10","5","1") = "9"
    & skf18("2","3","3","9","10","6","1") = "9"
    & skf18("2","3","3","9","10","7","1") = "9"
    & skf18("2","3","3","9","10","8","1") = "9"
    & skf18("2","3","3","9","10","9","1") = "9"
    & skf18("2","3","3","9","10","10","1") = "9"
    & skf18("2","3","3","10","1","1","1") = "9"
    & skf18("2","3","3","10","1","2","1") = "9"
    & skf18("2","3","3","10","1","3","1") = "9"
    & skf18("2","3","3","10","1","4","1") = "9"
    & skf18("2","3","3","10","1","5","1") = "9"
    & skf18("2","3","3","10","1","6","1") = "9"
    & skf18("2","3","3","10","1","7","1") = "9"
    & skf18("2","3","3","10","1","8","1") = "9"
    & skf18("2","3","3","10","1","9","1") = "9"
    & skf18("2","3","3","10","1","10","1") = "9"
    & skf18("2","3","3","10","2","1","1") = "9"
    & skf18("2","3","3","10","2","2","1") = "9"
    & skf18("2","3","3","10","2","3","1") = "9"
    & skf18("2","3","3","10","2","4","1") = "9"
    & skf18("2","3","3","10","2","5","1") = "9"
    & skf18("2","3","3","10","2","6","1") = "9"
    & skf18("2","3","3","10","2","7","1") = "9"
    & skf18("2","3","3","10","2","8","1") = "9"
    & skf18("2","3","3","10","2","9","1") = "9"
    & skf18("2","3","3","10","2","10","1") = "9"
    & skf18("2","3","3","10","3","1","1") = "9"
    & skf18("2","3","3","10","3","2","1") = "9"
    & skf18("2","3","3","10","3","3","1") = "9"
    & skf18("2","3","3","10","3","4","1") = "9"
    & skf18("2","3","3","10","3","5","1") = "9"
    & skf18("2","3","3","10","3","6","1") = "9"
    & skf18("2","3","3","10","3","7","1") = "9"
    & skf18("2","3","3","10","3","8","1") = "9"
    & skf18("2","3","3","10","3","9","1") = "9"
    & skf18("2","3","3","10","3","10","1") = "9"
    & skf18("2","3","3","10","4","1","1") = "9"
    & skf18("2","3","3","10","4","2","1") = "9"
    & skf18("2","3","3","10","4","3","1") = "9"
    & skf18("2","3","3","10","4","4","1") = "9"
    & skf18("2","3","3","10","4","5","1") = "9"
    & skf18("2","3","3","10","4","6","1") = "9"
    & skf18("2","3","3","10","4","7","1") = "9"
    & skf18("2","3","3","10","4","8","1") = "9"
    & skf18("2","3","3","10","4","9","1") = "9"
    & skf18("2","3","3","10","4","10","1") = "9"
    & skf18("2","3","3","10","5","1","1") = "9"
    & skf18("2","3","3","10","5","2","1") = "9"
    & skf18("2","3","3","10","5","3","1") = "9"
    & skf18("2","3","3","10","5","4","1") = "9"
    & skf18("2","3","3","10","5","5","1") = "9"
    & skf18("2","3","3","10","5","6","1") = "9"
    & skf18("2","3","3","10","5","7","1") = "9"
    & skf18("2","3","3","10","5","8","1") = "9"
    & skf18("2","3","3","10","5","9","1") = "9"
    & skf18("2","3","3","10","5","10","1") = "9"
    & skf18("2","3","3","10","6","1","1") = "9"
    & skf18("2","3","3","10","6","2","1") = "9"
    & skf18("2","3","3","10","6","3","1") = "9"
    & skf18("2","3","3","10","6","4","1") = "9"
    & skf18("2","3","3","10","6","5","1") = "9"
    & skf18("2","3","3","10","6","6","1") = "9"
    & skf18("2","3","3","10","6","7","1") = "9"
    & skf18("2","3","3","10","6","8","1") = "9"
    & skf18("2","3","3","10","6","9","1") = "9"
    & skf18("2","3","3","10","6","10","1") = "9"
    & skf18("2","3","3","10","7","1","1") = "9"
    & skf18("2","3","3","10","7","2","1") = "9"
    & skf18("2","3","3","10","7","3","1") = "9"
    & skf18("2","3","3","10","7","4","1") = "9"
    & skf18("2","3","3","10","7","5","1") = "9"
    & skf18("2","3","3","10","7","6","1") = "9"
    & skf18("2","3","3","10","7","7","1") = "9"
    & skf18("2","3","3","10","7","8","1") = "9"
    & skf18("2","3","3","10","7","9","1") = "9"
    & skf18("2","3","3","10","7","10","1") = "9"
    & skf18("2","3","3","10","8","1","1") = "9"
    & skf18("2","3","3","10","8","2","1") = "9"
    & skf18("2","3","3","10","8","3","1") = "9"
    & skf18("2","3","3","10","8","4","1") = "9"
    & skf18("2","3","3","10","8","5","1") = "9"
    & skf18("2","3","3","10","8","6","1") = "9"
    & skf18("2","3","3","10","8","7","1") = "9"
    & skf18("2","3","3","10","8","8","1") = "9"
    & skf18("2","3","3","10","8","9","1") = "9"
    & skf18("2","3","3","10","8","10","1") = "9"
    & skf18("2","3","3","10","9","1","1") = "9"
    & skf18("2","3","3","10","9","2","1") = "9"
    & skf18("2","3","3","10","9","3","1") = "9"
    & skf18("2","3","3","10","9","4","1") = "9"
    & skf18("2","3","3","10","9","5","1") = "9"
    & skf18("2","3","3","10","9","6","1") = "9"
    & skf18("2","3","3","10","9","7","1") = "9"
    & skf18("2","3","3","10","9","8","1") = "9"
    & skf18("2","3","3","10","9","9","1") = "9"
    & skf18("2","3","3","10","9","10","1") = "9"
    & skf18("2","3","3","10","10","1","1") = "9"
    & skf18("2","3","3","10","10","2","1") = "9"
    & skf18("2","3","3","10","10","3","1") = "9"
    & skf18("2","3","3","10","10","4","1") = "9"
    & skf18("2","3","3","10","10","5","1") = "9"
    & skf18("2","3","3","10","10","6","1") = "9"
    & skf18("2","3","3","10","10","7","1") = "9"
    & skf18("2","3","3","10","10","8","1") = "9"
    & skf18("2","3","3","10","10","9","1") = "9"
    & skf18("2","3","3","10","10","10","1") = "9"
    & skf18("2","3","4","1","1","1","1") = "3"
    & skf18("2","3","4","1","1","2","1") = "3"
    & skf18("2","3","4","1","1","3","1") = "3"
    & skf18("2","3","4","1","1","4","1") = "3"
    & skf18("2","3","4","1","1","5","1") = "4"
    & skf18("2","3","4","1","1","6","1") = "5"
    & skf18("2","3","4","1","1","7","1") = "6"
    & skf18("2","3","4","1","1","8","1") = "7"
    & skf18("2","3","4","1","1","9","1") = "8"
    & skf18("2","3","4","1","1","10","1") = "9"
    & skf18("2","3","4","1","2","1","1") = "3"
    & skf18("2","3","4","1","2","2","1") = "3"
    & skf18("2","3","4","1","2","3","1") = "3"
    & skf18("2","3","4","1","2","4","1") = "3"
    & skf18("2","3","4","1","2","5","1") = "4"
    & skf18("2","3","4","1","2","6","1") = "5"
    & skf18("2","3","4","1","2","7","1") = "6"
    & skf18("2","3","4","1","2","8","1") = "7"
    & skf18("2","3","4","1","2","9","1") = "8"
    & skf18("2","3","4","1","2","10","1") = "9"
    & skf18("2","3","4","1","3","1","1") = "3"
    & skf18("2","3","4","1","3","2","1") = "3"
    & skf18("2","3","4","1","3","3","1") = "3"
    & skf18("2","3","4","1","3","4","1") = "3"
    & skf18("2","3","4","1","3","5","1") = "4"
    & skf18("2","3","4","1","3","6","1") = "5"
    & skf18("2","3","4","1","3","7","1") = "6"
    & skf18("2","3","4","1","3","8","1") = "7"
    & skf18("2","3","4","1","3","9","1") = "8"
    & skf18("2","3","4","1","3","10","1") = "9"
    & skf18("2","3","4","1","4","1","1") = "3"
    & skf18("2","3","4","1","4","2","1") = "3"
    & skf18("2","3","4","1","4","3","1") = "3"
    & skf18("2","3","4","1","4","4","1") = "3"
    & skf18("2","3","4","1","4","5","1") = "4"
    & skf18("2","3","4","1","4","6","1") = "5"
    & skf18("2","3","4","1","4","7","1") = "6"
    & skf18("2","3","4","1","4","8","1") = "7"
    & skf18("2","3","4","1","4","9","1") = "8"
    & skf18("2","3","4","1","4","10","1") = "9"
    & skf18("2","3","4","1","5","1","1") = "4"
    & skf18("2","3","4","1","5","2","1") = "4"
    & skf18("2","3","4","1","5","3","1") = "4"
    & skf18("2","3","4","1","5","4","1") = "4"
    & skf18("2","3","4","1","5","5","1") = "4"
    & skf18("2","3","4","1","5","6","1") = "5"
    & skf18("2","3","4","1","5","7","1") = "6"
    & skf18("2","3","4","1","5","8","1") = "7"
    & skf18("2","3","4","1","5","9","1") = "8"
    & skf18("2","3","4","1","5","10","1") = "9"
    & skf18("2","3","4","1","6","1","1") = "5"
    & skf18("2","3","4","1","6","2","1") = "5"
    & skf18("2","3","4","1","6","3","1") = "5"
    & skf18("2","3","4","1","6","4","1") = "5"
    & skf18("2","3","4","1","6","5","1") = "5"
    & skf18("2","3","4","1","6","6","1") = "5"
    & skf18("2","3","4","1","6","7","1") = "6"
    & skf18("2","3","4","1","6","8","1") = "7"
    & skf18("2","3","4","1","6","9","1") = "8"
    & skf18("2","3","4","1","6","10","1") = "9"
    & skf18("2","3","4","1","7","1","1") = "6"
    & skf18("2","3","4","1","7","2","1") = "6"
    & skf18("2","3","4","1","7","3","1") = "6"
    & skf18("2","3","4","1","7","4","1") = "6"
    & skf18("2","3","4","1","7","5","1") = "6"
    & skf18("2","3","4","1","7","6","1") = "6"
    & skf18("2","3","4","1","7","7","1") = "6"
    & skf18("2","3","4","1","7","8","1") = "7"
    & skf18("2","3","4","1","7","9","1") = "8"
    & skf18("2","3","4","1","7","10","1") = "9"
    & skf18("2","3","4","1","8","1","1") = "7"
    & skf18("2","3","4","1","8","2","1") = "7"
    & skf18("2","3","4","1","8","3","1") = "7"
    & skf18("2","3","4","1","8","4","1") = "7"
    & skf18("2","3","4","1","8","5","1") = "7"
    & skf18("2","3","4","1","8","6","1") = "7"
    & skf18("2","3","4","1","8","7","1") = "7"
    & skf18("2","3","4","1","8","8","1") = "7"
    & skf18("2","3","4","1","8","9","1") = "8"
    & skf18("2","3","4","1","8","10","1") = "9"
    & skf18("2","3","4","1","9","1","1") = "8"
    & skf18("2","3","4","1","9","2","1") = "8"
    & skf18("2","3","4","1","9","3","1") = "8"
    & skf18("2","3","4","1","9","4","1") = "8"
    & skf18("2","3","4","1","9","5","1") = "8"
    & skf18("2","3","4","1","9","6","1") = "8"
    & skf18("2","3","4","1","9","7","1") = "8"
    & skf18("2","3","4","1","9","8","1") = "8"
    & skf18("2","3","4","1","9","9","1") = "8"
    & skf18("2","3","4","1","9","10","1") = "9"
    & skf18("2","3","4","1","10","1","1") = "9"
    & skf18("2","3","4","1","10","2","1") = "9"
    & skf18("2","3","4","1","10","3","1") = "9"
    & skf18("2","3","4","1","10","4","1") = "9"
    & skf18("2","3","4","1","10","5","1") = "9"
    & skf18("2","3","4","1","10","6","1") = "9"
    & skf18("2","3","4","1","10","7","1") = "9"
    & skf18("2","3","4","1","10","8","1") = "9"
    & skf18("2","3","4","1","10","9","1") = "9"
    & skf18("2","3","4","1","10","10","1") = "9"
    & skf18("2","3","4","2","1","1","1") = "3"
    & skf18("2","3","4","2","1","2","1") = "3"
    & skf18("2","3","4","2","1","3","1") = "3"
    & skf18("2","3","4","2","1","4","1") = "3"
    & skf18("2","3","4","2","1","5","1") = "4"
    & skf18("2","3","4","2","1","6","1") = "5"
    & skf18("2","3","4","2","1","7","1") = "6"
    & skf18("2","3","4","2","1","8","1") = "7"
    & skf18("2","3","4","2","1","9","1") = "8"
    & skf18("2","3","4","2","1","10","1") = "9"
    & skf18("2","3","4","2","2","1","1") = "3"
    & skf18("2","3","4","2","2","2","1") = "3"
    & skf18("2","3","4","2","2","3","1") = "3"
    & skf18("2","3","4","2","2","4","1") = "3"
    & skf18("2","3","4","2","2","5","1") = "4"
    & skf18("2","3","4","2","2","6","1") = "5"
    & skf18("2","3","4","2","2","7","1") = "6"
    & skf18("2","3","4","2","2","8","1") = "7"
    & skf18("2","3","4","2","2","9","1") = "8"
    & skf18("2","3","4","2","2","10","1") = "9"
    & skf18("2","3","4","2","3","1","1") = "3"
    & skf18("2","3","4","2","3","2","1") = "3"
    & skf18("2","3","4","2","3","3","1") = "3"
    & skf18("2","3","4","2","3","4","1") = "3"
    & skf18("2","3","4","2","3","5","1") = "4"
    & skf18("2","3","4","2","3","6","1") = "5"
    & skf18("2","3","4","2","3","7","1") = "6"
    & skf18("2","3","4","2","3","8","1") = "7"
    & skf18("2","3","4","2","3","9","1") = "8"
    & skf18("2","3","4","2","3","10","1") = "9"
    & skf18("2","3","4","2","4","1","1") = "3"
    & skf18("2","3","4","2","4","2","1") = "3"
    & skf18("2","3","4","2","4","3","1") = "3"
    & skf18("2","3","4","2","4","4","1") = "3"
    & skf18("2","3","4","2","4","5","1") = "4"
    & skf18("2","3","4","2","4","6","1") = "5"
    & skf18("2","3","4","2","4","7","1") = "6"
    & skf18("2","3","4","2","4","8","1") = "7"
    & skf18("2","3","4","2","4","9","1") = "8"
    & skf18("2","3","4","2","4","10","1") = "9"
    & skf18("2","3","4","2","5","1","1") = "4"
    & skf18("2","3","4","2","5","2","1") = "4"
    & skf18("2","3","4","2","5","3","1") = "4"
    & skf18("2","3","4","2","5","4","1") = "4"
    & skf18("2","3","4","2","5","5","1") = "4"
    & skf18("2","3","4","2","5","6","1") = "5"
    & skf18("2","3","4","2","5","7","1") = "6"
    & skf18("2","3","4","2","5","8","1") = "7"
    & skf18("2","3","4","2","5","9","1") = "8"
    & skf18("2","3","4","2","5","10","1") = "9"
    & skf18("2","3","4","2","6","1","1") = "4"
    & skf18("2","3","4","2","6","2","1") = "4"
    & skf18("2","3","4","2","6","3","1") = "5"
    & skf18("2","3","4","2","6","4","1") = "5"
    & skf18("2","3","4","2","6","5","1") = "5"
    & skf18("2","3","4","2","6","6","1") = "5"
    & skf18("2","3","4","2","6","7","1") = "6"
    & skf18("2","3","4","2","6","8","1") = "7"
    & skf18("2","3","4","2","6","9","1") = "8"
    & skf18("2","3","4","2","6","10","1") = "9"
    & skf18("2","3","4","2","7","1","1") = "6"
    & skf18("2","3","4","2","7","2","1") = "6"
    & skf18("2","3","4","2","7","3","1") = "6"
    & skf18("2","3","4","2","7","4","1") = "6"
    & skf18("2","3","4","2","7","5","1") = "6"
    & skf18("2","3","4","2","7","6","1") = "6"
    & skf18("2","3","4","2","7","7","1") = "6"
    & skf18("2","3","4","2","7","8","1") = "7"
    & skf18("2","3","4","2","7","9","1") = "8"
    & skf18("2","3","4","2","7","10","1") = "9"
    & skf18("2","3","4","2","8","1","1") = "7"
    & skf18("2","3","4","2","8","2","1") = "7"
    & skf18("2","3","4","2","8","3","1") = "7"
    & skf18("2","3","4","2","8","4","1") = "7"
    & skf18("2","3","4","2","8","5","1") = "7"
    & skf18("2","3","4","2","8","6","1") = "7"
    & skf18("2","3","4","2","8","7","1") = "7"
    & skf18("2","3","4","2","8","8","1") = "7"
    & skf18("2","3","4","2","8","9","1") = "8"
    & skf18("2","3","4","2","8","10","1") = "9"
    & skf18("2","3","4","2","9","1","1") = "8"
    & skf18("2","3","4","2","9","2","1") = "8"
    & skf18("2","3","4","2","9","3","1") = "8"
    & skf18("2","3","4","2","9","4","1") = "8"
    & skf18("2","3","4","2","9","5","1") = "8"
    & skf18("2","3","4","2","9","6","1") = "8"
    & skf18("2","3","4","2","9","7","1") = "8"
    & skf18("2","3","4","2","9","8","1") = "8"
    & skf18("2","3","4","2","9","9","1") = "8"
    & skf18("2","3","4","2","9","10","1") = "9"
    & skf18("2","3","4","2","10","1","1") = "9"
    & skf18("2","3","4","2","10","2","1") = "9"
    & skf18("2","3","4","2","10","3","1") = "9"
    & skf18("2","3","4","2","10","4","1") = "9"
    & skf18("2","3","4","2","10","5","1") = "9"
    & skf18("2","3","4","2","10","6","1") = "9"
    & skf18("2","3","4","2","10","7","1") = "9"
    & skf18("2","3","4","2","10","8","1") = "9"
    & skf18("2","3","4","2","10","9","1") = "9"
    & skf18("2","3","4","2","10","10","1") = "9"
    & skf18("2","3","4","3","1","1","1") = "3"
    & skf18("2","3","4","3","1","2","1") = "3"
    & skf18("2","3","4","3","1","3","1") = "3"
    & skf18("2","3","4","3","1","4","1") = "3"
    & skf18("2","3","4","3","1","5","1") = "4"
    & skf18("2","3","4","3","1","6","1") = "5"
    & skf18("2","3","4","3","1","7","1") = "6"
    & skf18("2","3","4","3","1","8","1") = "7"
    & skf18("2","3","4","3","1","9","1") = "8"
    & skf18("2","3","4","3","1","10","1") = "9"
    & skf18("2","3","4","3","2","1","1") = "3"
    & skf18("2","3","4","3","2","2","1") = "3"
    & skf18("2","3","4","3","2","3","1") = "3"
    & skf18("2","3","4","3","2","4","1") = "3"
    & skf18("2","3","4","3","2","5","1") = "4"
    & skf18("2","3","4","3","2","6","1") = "5"
    & skf18("2","3","4","3","2","7","1") = "6"
    & skf18("2","3","4","3","2","8","1") = "7"
    & skf18("2","3","4","3","2","9","1") = "8"
    & skf18("2","3","4","3","2","10","1") = "9"
    & skf18("2","3","4","3","3","1","1") = "3"
    & skf18("2","3","4","3","3","2","1") = "3"
    & skf18("2","3","4","3","3","3","1") = "3"
    & skf18("2","3","4","3","3","4","1") = "3"
    & skf18("2","3","4","3","3","5","1") = "4"
    & skf18("2","3","4","3","3","6","1") = "5"
    & skf18("2","3","4","3","3","7","1") = "6"
    & skf18("2","3","4","3","3","8","1") = "7"
    & skf18("2","3","4","3","3","9","1") = "8"
    & skf18("2","3","4","3","3","10","1") = "9"
    & skf18("2","3","4","3","4","1","1") = "3"
    & skf18("2","3","4","3","4","2","1") = "3"
    & skf18("2","3","4","3","4","3","1") = "3"
    & skf18("2","3","4","3","4","4","1") = "3"
    & skf18("2","3","4","3","4","5","1") = "4"
    & skf18("2","3","4","3","4","6","1") = "5"
    & skf18("2","3","4","3","4","7","1") = "6"
    & skf18("2","3","4","3","4","8","1") = "7"
    & skf18("2","3","4","3","4","9","1") = "8"
    & skf18("2","3","4","3","4","10","1") = "9"
    & skf18("2","3","4","3","5","1","1") = "4"
    & skf18("2","3","4","3","5","2","1") = "4"
    & skf18("2","3","4","3","5","3","1") = "4"
    & skf18("2","3","4","3","5","4","1") = "4"
    & skf18("2","3","4","3","5","5","1") = "4"
    & skf18("2","3","4","3","5","6","1") = "5"
    & skf18("2","3","4","3","5","7","1") = "6"
    & skf18("2","3","4","3","5","8","1") = "7"
    & skf18("2","3","4","3","5","9","1") = "8"
    & skf18("2","3","4","3","5","10","1") = "9"
    & skf18("2","3","4","3","6","1","1") = "5"
    & skf18("2","3","4","3","6","2","1") = "5"
    & skf18("2","3","4","3","6","3","1") = "5"
    & skf18("2","3","4","3","6","4","1") = "5"
    & skf18("2","3","4","3","6","5","1") = "5"
    & skf18("2","3","4","3","6","6","1") = "5"
    & skf18("2","3","4","3","6","7","1") = "6"
    & skf18("2","3","4","3","6","8","1") = "7"
    & skf18("2","3","4","3","6","9","1") = "8"
    & skf18("2","3","4","3","6","10","1") = "9"
    & skf18("2","3","4","3","7","1","1") = "6"
    & skf18("2","3","4","3","7","2","1") = "6"
    & skf18("2","3","4","3","7","3","1") = "6"
    & skf18("2","3","4","3","7","4","1") = "6"
    & skf18("2","3","4","3","7","5","1") = "6"
    & skf18("2","3","4","3","7","6","1") = "6"
    & skf18("2","3","4","3","7","7","1") = "6"
    & skf18("2","3","4","3","7","8","1") = "7"
    & skf18("2","3","4","3","7","9","1") = "8"
    & skf18("2","3","4","3","7","10","1") = "9"
    & skf18("2","3","4","3","8","1","1") = "7"
    & skf18("2","3","4","3","8","2","1") = "7"
    & skf18("2","3","4","3","8","3","1") = "7"
    & skf18("2","3","4","3","8","4","1") = "7"
    & skf18("2","3","4","3","8","5","1") = "7"
    & skf18("2","3","4","3","8","6","1") = "7"
    & skf18("2","3","4","3","8","7","1") = "7"
    & skf18("2","3","4","3","8","8","1") = "7"
    & skf18("2","3","4","3","8","9","1") = "8"
    & skf18("2","3","4","3","8","10","1") = "9"
    & skf18("2","3","4","3","9","1","1") = "8"
    & skf18("2","3","4","3","9","2","1") = "8"
    & skf18("2","3","4","3","9","3","1") = "8"
    & skf18("2","3","4","3","9","4","1") = "8"
    & skf18("2","3","4","3","9","5","1") = "8"
    & skf18("2","3","4","3","9","6","1") = "8"
    & skf18("2","3","4","3","9","7","1") = "8"
    & skf18("2","3","4","3","9","8","1") = "8"
    & skf18("2","3","4","3","9","9","1") = "8"
    & skf18("2","3","4","3","9","10","1") = "9"
    & skf18("2","3","4","3","10","1","1") = "9"
    & skf18("2","3","4","3","10","2","1") = "9"
    & skf18("2","3","4","3","10","3","1") = "9"
    & skf18("2","3","4","3","10","4","1") = "9"
    & skf18("2","3","4","3","10","5","1") = "9"
    & skf18("2","3","4","3","10","6","1") = "9"
    & skf18("2","3","4","3","10","7","1") = "9"
    & skf18("2","3","4","3","10","8","1") = "9"
    & skf18("2","3","4","3","10","9","1") = "9"
    & skf18("2","3","4","3","10","10","1") = "9"
    & skf18("2","3","4","4","1","1","1") = "3"
    & skf18("2","3","4","4","1","2","1") = "3"
    & skf18("2","3","4","4","1","3","1") = "3"
    & skf18("2","3","4","4","1","4","1") = "3"
    & skf18("2","3","4","4","1","5","1") = "4"
    & skf18("2","3","4","4","1","6","1") = "5"
    & skf18("2","3","4","4","1","7","1") = "6"
    & skf18("2","3","4","4","1","8","1") = "7"
    & skf18("2","3","4","4","1","9","1") = "8"
    & skf18("2","3","4","4","1","10","1") = "9"
    & skf18("2","3","4","4","2","1","1") = "3"
    & skf18("2","3","4","4","2","2","1") = "3"
    & skf18("2","3","4","4","2","3","1") = "3"
    & skf18("2","3","4","4","2","4","1") = "3"
    & skf18("2","3","4","4","2","5","1") = "4"
    & skf18("2","3","4","4","2","6","1") = "5"
    & skf18("2","3","4","4","2","7","1") = "6"
    & skf18("2","3","4","4","2","8","1") = "7"
    & skf18("2","3","4","4","2","9","1") = "8"
    & skf18("2","3","4","4","2","10","1") = "9"
    & skf18("2","3","4","4","3","1","1") = "3"
    & skf18("2","3","4","4","3","2","1") = "3"
    & skf18("2","3","4","4","3","3","1") = "3"
    & skf18("2","3","4","4","3","4","1") = "3"
    & skf18("2","3","4","4","3","5","1") = "4"
    & skf18("2","3","4","4","3","6","1") = "5"
    & skf18("2","3","4","4","3","7","1") = "6"
    & skf18("2","3","4","4","3","8","1") = "7"
    & skf18("2","3","4","4","3","9","1") = "8"
    & skf18("2","3","4","4","3","10","1") = "9"
    & skf18("2","3","4","4","4","1","1") = "3"
    & skf18("2","3","4","4","4","2","1") = "3"
    & skf18("2","3","4","4","4","3","1") = "3"
    & skf18("2","3","4","4","4","4","1") = "3"
    & skf18("2","3","4","4","4","5","1") = "4"
    & skf18("2","3","4","4","4","6","1") = "5"
    & skf18("2","3","4","4","4","7","1") = "6"
    & skf18("2","3","4","4","4","8","1") = "7"
    & skf18("2","3","4","4","4","9","1") = "8"
    & skf18("2","3","4","4","4","10","1") = "9"
    & skf18("2","3","4","4","5","1","1") = "4"
    & skf18("2","3","4","4","5","2","1") = "4"
    & skf18("2","3","4","4","5","3","1") = "4"
    & skf18("2","3","4","4","5","4","1") = "4"
    & skf18("2","3","4","4","5","5","1") = "4"
    & skf18("2","3","4","4","5","6","1") = "5"
    & skf18("2","3","4","4","5","7","1") = "6"
    & skf18("2","3","4","4","5","8","1") = "7"
    & skf18("2","3","4","4","5","9","1") = "8"
    & skf18("2","3","4","4","5","10","1") = "9"
    & skf18("2","3","4","4","6","1","1") = "5"
    & skf18("2","3","4","4","6","2","1") = "5"
    & skf18("2","3","4","4","6","3","1") = "5"
    & skf18("2","3","4","4","6","4","1") = "5"
    & skf18("2","3","4","4","6","5","1") = "5"
    & skf18("2","3","4","4","6","6","1") = "5"
    & skf18("2","3","4","4","6","7","1") = "6"
    & skf18("2","3","4","4","6","8","1") = "7"
    & skf18("2","3","4","4","6","9","1") = "8"
    & skf18("2","3","4","4","6","10","1") = "9"
    & skf18("2","3","4","4","7","1","1") = "6"
    & skf18("2","3","4","4","7","2","1") = "6"
    & skf18("2","3","4","4","7","3","1") = "6"
    & skf18("2","3","4","4","7","4","1") = "6"
    & skf18("2","3","4","4","7","5","1") = "6"
    & skf18("2","3","4","4","7","6","1") = "6"
    & skf18("2","3","4","4","7","7","1") = "6"
    & skf18("2","3","4","4","7","8","1") = "7"
    & skf18("2","3","4","4","7","9","1") = "8"
    & skf18("2","3","4","4","7","10","1") = "9"
    & skf18("2","3","4","4","8","1","1") = "7"
    & skf18("2","3","4","4","8","2","1") = "7"
    & skf18("2","3","4","4","8","3","1") = "7"
    & skf18("2","3","4","4","8","4","1") = "7"
    & skf18("2","3","4","4","8","5","1") = "7"
    & skf18("2","3","4","4","8","6","1") = "7"
    & skf18("2","3","4","4","8","7","1") = "7"
    & skf18("2","3","4","4","8","8","1") = "7"
    & skf18("2","3","4","4","8","9","1") = "8"
    & skf18("2","3","4","4","8","10","1") = "9"
    & skf18("2","3","4","4","9","1","1") = "8"
    & skf18("2","3","4","4","9","2","1") = "8"
    & skf18("2","3","4","4","9","3","1") = "8"
    & skf18("2","3","4","4","9","4","1") = "8"
    & skf18("2","3","4","4","9","5","1") = "8"
    & skf18("2","3","4","4","9","6","1") = "8"
    & skf18("2","3","4","4","9","7","1") = "8"
    & skf18("2","3","4","4","9","8","1") = "8"
    & skf18("2","3","4","4","9","9","1") = "8"
    & skf18("2","3","4","4","9","10","1") = "9"
    & skf18("2","3","4","4","10","1","1") = "9"
    & skf18("2","3","4","4","10","2","1") = "9"
    & skf18("2","3","4","4","10","3","1") = "9"
    & skf18("2","3","4","4","10","4","1") = "9"
    & skf18("2","3","4","4","10","5","1") = "9"
    & skf18("2","3","4","4","10","6","1") = "9"
    & skf18("2","3","4","4","10","7","1") = "9"
    & skf18("2","3","4","4","10","8","1") = "9"
    & skf18("2","3","4","4","10","9","1") = "9"
    & skf18("2","3","4","4","10","10","1") = "9"
    & skf18("2","3","4","5","1","1","1") = "4"
    & skf18("2","3","4","5","1","2","1") = "4"
    & skf18("2","3","4","5","1","3","1") = "4"
    & skf18("2","3","4","5","1","4","1") = "4"
    & skf18("2","3","4","5","1","5","1") = "4"
    & skf18("2","3","4","5","1","6","1") = "5"
    & skf18("2","3","4","5","1","7","1") = "6"
    & skf18("2","3","4","5","1","8","1") = "7"
    & skf18("2","3","4","5","1","9","1") = "8"
    & skf18("2","3","4","5","1","10","1") = "9"
    & skf18("2","3","4","5","2","1","1") = "4"
    & skf18("2","3","4","5","2","2","1") = "4"
    & skf18("2","3","4","5","2","3","1") = "4"
    & skf18("2","3","4","5","2","4","1") = "4"
    & skf18("2","3","4","5","2","5","1") = "4"
    & skf18("2","3","4","5","2","6","1") = "5"
    & skf18("2","3","4","5","2","7","1") = "6"
    & skf18("2","3","4","5","2","8","1") = "7"
    & skf18("2","3","4","5","2","9","1") = "8"
    & skf18("2","3","4","5","2","10","1") = "9"
    & skf18("2","3","4","5","3","1","1") = "4"
    & skf18("2","3","4","5","3","2","1") = "4"
    & skf18("2","3","4","5","3","3","1") = "4"
    & skf18("2","3","4","5","3","4","1") = "4"
    & skf18("2","3","4","5","3","5","1") = "4"
    & skf18("2","3","4","5","3","6","1") = "5"
    & skf18("2","3","4","5","3","7","1") = "6"
    & skf18("2","3","4","5","3","8","1") = "7"
    & skf18("2","3","4","5","3","9","1") = "8"
    & skf18("2","3","4","5","3","10","1") = "9"
    & skf18("2","3","4","5","4","1","1") = "4"
    & skf18("2","3","4","5","4","2","1") = "4"
    & skf18("2","3","4","5","4","3","1") = "4"
    & skf18("2","3","4","5","4","4","1") = "4"
    & skf18("2","3","4","5","4","5","1") = "4"
    & skf18("2","3","4","5","4","6","1") = "5"
    & skf18("2","3","4","5","4","7","1") = "6"
    & skf18("2","3","4","5","4","8","1") = "7"
    & skf18("2","3","4","5","4","9","1") = "8"
    & skf18("2","3","4","5","4","10","1") = "9"
    & skf18("2","3","4","5","5","1","1") = "4"
    & skf18("2","3","4","5","5","2","1") = "4"
    & skf18("2","3","4","5","5","3","1") = "4"
    & skf18("2","3","4","5","5","4","1") = "4"
    & skf18("2","3","4","5","5","5","1") = "4"
    & skf18("2","3","4","5","5","6","1") = "5"
    & skf18("2","3","4","5","5","7","1") = "6"
    & skf18("2","3","4","5","5","8","1") = "7"
    & skf18("2","3","4","5","5","9","1") = "8"
    & skf18("2","3","4","5","5","10","1") = "9"
    & skf18("2","3","4","5","6","1","1") = "5"
    & skf18("2","3","4","5","6","2","1") = "5"
    & skf18("2","3","4","5","6","3","1") = "5"
    & skf18("2","3","4","5","6","4","1") = "5"
    & skf18("2","3","4","5","6","5","1") = "5"
    & skf18("2","3","4","5","6","6","1") = "5"
    & skf18("2","3","4","5","6","7","1") = "6"
    & skf18("2","3","4","5","6","8","1") = "7"
    & skf18("2","3","4","5","6","9","1") = "8"
    & skf18("2","3","4","5","6","10","1") = "9"
    & skf18("2","3","4","5","7","1","1") = "6"
    & skf18("2","3","4","5","7","2","1") = "6"
    & skf18("2","3","4","5","7","3","1") = "6"
    & skf18("2","3","4","5","7","4","1") = "6"
    & skf18("2","3","4","5","7","5","1") = "6"
    & skf18("2","3","4","5","7","6","1") = "6"
    & skf18("2","3","4","5","7","7","1") = "6"
    & skf18("2","3","4","5","7","8","1") = "7"
    & skf18("2","3","4","5","7","9","1") = "8"
    & skf18("2","3","4","5","7","10","1") = "9"
    & skf18("2","3","4","5","8","1","1") = "7"
    & skf18("2","3","4","5","8","2","1") = "7"
    & skf18("2","3","4","5","8","3","1") = "7"
    & skf18("2","3","4","5","8","4","1") = "7"
    & skf18("2","3","4","5","8","5","1") = "7"
    & skf18("2","3","4","5","8","6","1") = "7"
    & skf18("2","3","4","5","8","7","1") = "7"
    & skf18("2","3","4","5","8","8","1") = "7"
    & skf18("2","3","4","5","8","9","1") = "8"
    & skf18("2","3","4","5","8","10","1") = "9"
    & skf18("2","3","4","5","9","1","1") = "8"
    & skf18("2","3","4","5","9","2","1") = "8"
    & skf18("2","3","4","5","9","3","1") = "8"
    & skf18("2","3","4","5","9","4","1") = "8"
    & skf18("2","3","4","5","9","5","1") = "8"
    & skf18("2","3","4","5","9","6","1") = "8"
    & skf18("2","3","4","5","9","7","1") = "8"
    & skf18("2","3","4","5","9","8","1") = "8"
    & skf18("2","3","4","5","9","9","1") = "8"
    & skf18("2","3","4","5","9","10","1") = "9"
    & skf18("2","3","4","5","10","1","1") = "9"
    & skf18("2","3","4","5","10","2","1") = "9"
    & skf18("2","3","4","5","10","3","1") = "9"
    & skf18("2","3","4","5","10","4","1") = "9"
    & skf18("2","3","4","5","10","5","1") = "9"
    & skf18("2","3","4","5","10","6","1") = "9"
    & skf18("2","3","4","5","10","7","1") = "9"
    & skf18("2","3","4","5","10","8","1") = "9"
    & skf18("2","3","4","5","10","9","1") = "9"
    & skf18("2","3","4","5","10","10","1") = "9"
    & skf18("2","3","4","6","1","1","1") = "5"
    & skf18("2","3","4","6","1","2","1") = "5"
    & skf18("2","3","4","6","1","3","1") = "5"
    & skf18("2","3","4","6","1","4","1") = "5"
    & skf18("2","3","4","6","1","5","1") = "5"
    & skf18("2","3","4","6","1","6","1") = "5"
    & skf18("2","3","4","6","1","7","1") = "6"
    & skf18("2","3","4","6","1","8","1") = "7"
    & skf18("2","3","4","6","1","9","1") = "8"
    & skf18("2","3","4","6","1","10","1") = "9"
    & skf18("2","3","4","6","2","1","1") = "5"
    & skf18("2","3","4","6","2","2","1") = "5"
    & skf18("2","3","4","6","2","3","1") = "5"
    & skf18("2","3","4","6","2","4","1") = "5"
    & skf18("2","3","4","6","2","5","1") = "5"
    & skf18("2","3","4","6","2","6","1") = "5"
    & skf18("2","3","4","6","2","7","1") = "6"
    & skf18("2","3","4","6","2","8","1") = "7"
    & skf18("2","3","4","6","2","9","1") = "8"
    & skf18("2","3","4","6","2","10","1") = "9"
    & skf18("2","3","4","6","3","1","1") = "5"
    & skf18("2","3","4","6","3","2","1") = "5"
    & skf18("2","3","4","6","3","3","1") = "5"
    & skf18("2","3","4","6","3","4","1") = "5"
    & skf18("2","3","4","6","3","5","1") = "5"
    & skf18("2","3","4","6","3","6","1") = "5"
    & skf18("2","3","4","6","3","7","1") = "6"
    & skf18("2","3","4","6","3","8","1") = "7"
    & skf18("2","3","4","6","3","9","1") = "8"
    & skf18("2","3","4","6","3","10","1") = "9"
    & skf18("2","3","4","6","4","1","1") = "5"
    & skf18("2","3","4","6","4","2","1") = "5"
    & skf18("2","3","4","6","4","3","1") = "5"
    & skf18("2","3","4","6","4","4","1") = "5"
    & skf18("2","3","4","6","4","5","1") = "5"
    & skf18("2","3","4","6","4","6","1") = "5"
    & skf18("2","3","4","6","4","7","1") = "6"
    & skf18("2","3","4","6","4","8","1") = "7"
    & skf18("2","3","4","6","4","9","1") = "8"
    & skf18("2","3","4","6","4","10","1") = "9"
    & skf18("2","3","4","6","5","1","1") = "5"
    & skf18("2","3","4","6","5","2","1") = "5"
    & skf18("2","3","4","6","5","3","1") = "5"
    & skf18("2","3","4","6","5","4","1") = "5"
    & skf18("2","3","4","6","5","5","1") = "5"
    & skf18("2","3","4","6","5","6","1") = "5"
    & skf18("2","3","4","6","5","7","1") = "6"
    & skf18("2","3","4","6","5","8","1") = "7"
    & skf18("2","3","4","6","5","9","1") = "8"
    & skf18("2","3","4","6","5","10","1") = "9"
    & skf18("2","3","4","6","6","1","1") = "5"
    & skf18("2","3","4","6","6","2","1") = "5"
    & skf18("2","3","4","6","6","3","1") = "5"
    & skf18("2","3","4","6","6","4","1") = "5"
    & skf18("2","3","4","6","6","5","1") = "5"
    & skf18("2","3","4","6","6","6","1") = "5"
    & skf18("2","3","4","6","6","7","1") = "6"
    & skf18("2","3","4","6","6","8","1") = "7"
    & skf18("2","3","4","6","6","9","1") = "8"
    & skf18("2","3","4","6","6","10","1") = "9"
    & skf18("2","3","4","6","7","1","1") = "6"
    & skf18("2","3","4","6","7","2","1") = "6"
    & skf18("2","3","4","6","7","3","1") = "6"
    & skf18("2","3","4","6","7","4","1") = "6"
    & skf18("2","3","4","6","7","5","1") = "6"
    & skf18("2","3","4","6","7","6","1") = "6"
    & skf18("2","3","4","6","7","7","1") = "6"
    & skf18("2","3","4","6","7","8","1") = "7"
    & skf18("2","3","4","6","7","9","1") = "8"
    & skf18("2","3","4","6","7","10","1") = "9"
    & skf18("2","3","4","6","8","1","1") = "7"
    & skf18("2","3","4","6","8","2","1") = "7"
    & skf18("2","3","4","6","8","3","1") = "7"
    & skf18("2","3","4","6","8","4","1") = "7"
    & skf18("2","3","4","6","8","5","1") = "7"
    & skf18("2","3","4","6","8","6","1") = "7"
    & skf18("2","3","4","6","8","7","1") = "7"
    & skf18("2","3","4","6","8","8","1") = "7"
    & skf18("2","3","4","6","8","9","1") = "8"
    & skf18("2","3","4","6","8","10","1") = "9"
    & skf18("2","3","4","6","9","1","1") = "8"
    & skf18("2","3","4","6","9","2","1") = "8"
    & skf18("2","3","4","6","9","3","1") = "8"
    & skf18("2","3","4","6","9","4","1") = "8"
    & skf18("2","3","4","6","9","5","1") = "8"
    & skf18("2","3","4","6","9","6","1") = "8"
    & skf18("2","3","4","6","9","7","1") = "8"
    & skf18("2","3","4","6","9","8","1") = "8"
    & skf18("2","3","4","6","9","9","1") = "8"
    & skf18("2","3","4","6","9","10","1") = "9"
    & skf18("2","3","4","6","10","1","1") = "9"
    & skf18("2","3","4","6","10","2","1") = "9"
    & skf18("2","3","4","6","10","3","1") = "9"
    & skf18("2","3","4","6","10","4","1") = "9"
    & skf18("2","3","4","6","10","5","1") = "9"
    & skf18("2","3","4","6","10","6","1") = "9"
    & skf18("2","3","4","6","10","7","1") = "9"
    & skf18("2","3","4","6","10","8","1") = "9"
    & skf18("2","3","4","6","10","9","1") = "9"
    & skf18("2","3","4","6","10","10","1") = "9"
    & skf18("2","3","4","7","1","1","1") = "6"
    & skf18("2","3","4","7","1","2","1") = "6"
    & skf18("2","3","4","7","1","3","1") = "6"
    & skf18("2","3","4","7","1","4","1") = "6"
    & skf18("2","3","4","7","1","5","1") = "6"
    & skf18("2","3","4","7","1","6","1") = "6"
    & skf18("2","3","4","7","1","7","1") = "6"
    & skf18("2","3","4","7","1","8","1") = "7"
    & skf18("2","3","4","7","1","9","1") = "8"
    & skf18("2","3","4","7","1","10","1") = "9"
    & skf18("2","3","4","7","2","1","1") = "6"
    & skf18("2","3","4","7","2","2","1") = "6"
    & skf18("2","3","4","7","2","3","1") = "6"
    & skf18("2","3","4","7","2","4","1") = "6"
    & skf18("2","3","4","7","2","5","1") = "6"
    & skf18("2","3","4","7","2","6","1") = "6"
    & skf18("2","3","4","7","2","7","1") = "6"
    & skf18("2","3","4","7","2","8","1") = "7"
    & skf18("2","3","4","7","2","9","1") = "8"
    & skf18("2","3","4","7","2","10","1") = "9"
    & skf18("2","3","4","7","3","1","1") = "6"
    & skf18("2","3","4","7","3","2","1") = "6"
    & skf18("2","3","4","7","3","3","1") = "6"
    & skf18("2","3","4","7","3","4","1") = "6"
    & skf18("2","3","4","7","3","5","1") = "6"
    & skf18("2","3","4","7","3","6","1") = "6"
    & skf18("2","3","4","7","3","7","1") = "6"
    & skf18("2","3","4","7","3","8","1") = "7"
    & skf18("2","3","4","7","3","9","1") = "8"
    & skf18("2","3","4","7","3","10","1") = "9"
    & skf18("2","3","4","7","4","1","1") = "6"
    & skf18("2","3","4","7","4","2","1") = "6"
    & skf18("2","3","4","7","4","3","1") = "6"
    & skf18("2","3","4","7","4","4","1") = "6"
    & skf18("2","3","4","7","4","5","1") = "6"
    & skf18("2","3","4","7","4","6","1") = "6"
    & skf18("2","3","4","7","4","7","1") = "6"
    & skf18("2","3","4","7","4","8","1") = "7"
    & skf18("2","3","4","7","4","9","1") = "8"
    & skf18("2","3","4","7","4","10","1") = "9"
    & skf18("2","3","4","7","5","1","1") = "6"
    & skf18("2","3","4","7","5","2","1") = "6"
    & skf18("2","3","4","7","5","3","1") = "6"
    & skf18("2","3","4","7","5","4","1") = "6"
    & skf18("2","3","4","7","5","5","1") = "6"
    & skf18("2","3","4","7","5","6","1") = "6"
    & skf18("2","3","4","7","5","7","1") = "6"
    & skf18("2","3","4","7","5","8","1") = "7"
    & skf18("2","3","4","7","5","9","1") = "8"
    & skf18("2","3","4","7","5","10","1") = "9"
    & skf18("2","3","4","7","6","1","1") = "6"
    & skf18("2","3","4","7","6","2","1") = "6"
    & skf18("2","3","4","7","6","3","1") = "6"
    & skf18("2","3","4","7","6","4","1") = "6"
    & skf18("2","3","4","7","6","5","1") = "6"
    & skf18("2","3","4","7","6","6","1") = "6"
    & skf18("2","3","4","7","6","7","1") = "6"
    & skf18("2","3","4","7","6","8","1") = "7"
    & skf18("2","3","4","7","6","9","1") = "8"
    & skf18("2","3","4","7","6","10","1") = "9"
    & skf18("2","3","4","7","7","1","1") = "6"
    & skf18("2","3","4","7","7","2","1") = "6"
    & skf18("2","3","4","7","7","3","1") = "6"
    & skf18("2","3","4","7","7","4","1") = "6"
    & skf18("2","3","4","7","7","5","1") = "6"
    & skf18("2","3","4","7","7","6","1") = "6"
    & skf18("2","3","4","7","7","7","1") = "6"
    & skf18("2","3","4","7","7","8","1") = "7"
    & skf18("2","3","4","7","7","9","1") = "8"
    & skf18("2","3","4","7","7","10","1") = "9"
    & skf18("2","3","4","7","8","1","1") = "7"
    & skf18("2","3","4","7","8","2","1") = "7"
    & skf18("2","3","4","7","8","3","1") = "7"
    & skf18("2","3","4","7","8","4","1") = "7"
    & skf18("2","3","4","7","8","5","1") = "7"
    & skf18("2","3","4","7","8","6","1") = "7"
    & skf18("2","3","4","7","8","7","1") = "7"
    & skf18("2","3","4","7","8","8","1") = "7"
    & skf18("2","3","4","7","8","9","1") = "8"
    & skf18("2","3","4","7","8","10","1") = "9"
    & skf18("2","3","4","7","9","1","1") = "8"
    & skf18("2","3","4","7","9","2","1") = "8"
    & skf18("2","3","4","7","9","3","1") = "8"
    & skf18("2","3","4","7","9","4","1") = "8"
    & skf18("2","3","4","7","9","5","1") = "8"
    & skf18("2","3","4","7","9","6","1") = "8"
    & skf18("2","3","4","7","9","7","1") = "8"
    & skf18("2","3","4","7","9","8","1") = "8"
    & skf18("2","3","4","7","9","9","1") = "8"
    & skf18("2","3","4","7","9","10","1") = "9"
    & skf18("2","3","4","7","10","1","1") = "9"
    & skf18("2","3","4","7","10","2","1") = "9"
    & skf18("2","3","4","7","10","3","1") = "9"
    & skf18("2","3","4","7","10","4","1") = "9"
    & skf18("2","3","4","7","10","5","1") = "9"
    & skf18("2","3","4","7","10","6","1") = "9"
    & skf18("2","3","4","7","10","7","1") = "9"
    & skf18("2","3","4","7","10","8","1") = "9"
    & skf18("2","3","4","7","10","9","1") = "9"
    & skf18("2","3","4","7","10","10","1") = "9"
    & skf18("2","3","4","8","1","1","1") = "7"
    & skf18("2","3","4","8","1","2","1") = "7"
    & skf18("2","3","4","8","1","3","1") = "7"
    & skf18("2","3","4","8","1","4","1") = "7"
    & skf18("2","3","4","8","1","5","1") = "7"
    & skf18("2","3","4","8","1","6","1") = "7"
    & skf18("2","3","4","8","1","7","1") = "7"
    & skf18("2","3","4","8","1","8","1") = "7"
    & skf18("2","3","4","8","1","9","1") = "8"
    & skf18("2","3","4","8","1","10","1") = "9"
    & skf18("2","3","4","8","2","1","1") = "7"
    & skf18("2","3","4","8","2","2","1") = "7"
    & skf18("2","3","4","8","2","3","1") = "7"
    & skf18("2","3","4","8","2","4","1") = "7"
    & skf18("2","3","4","8","2","5","1") = "7"
    & skf18("2","3","4","8","2","6","1") = "7"
    & skf18("2","3","4","8","2","7","1") = "7"
    & skf18("2","3","4","8","2","8","1") = "7"
    & skf18("2","3","4","8","2","9","1") = "8"
    & skf18("2","3","4","8","2","10","1") = "9"
    & skf18("2","3","4","8","3","1","1") = "7"
    & skf18("2","3","4","8","3","2","1") = "7"
    & skf18("2","3","4","8","3","3","1") = "7"
    & skf18("2","3","4","8","3","4","1") = "7"
    & skf18("2","3","4","8","3","5","1") = "7"
    & skf18("2","3","4","8","3","6","1") = "7"
    & skf18("2","3","4","8","3","7","1") = "7"
    & skf18("2","3","4","8","3","8","1") = "7"
    & skf18("2","3","4","8","3","9","1") = "8"
    & skf18("2","3","4","8","3","10","1") = "9"
    & skf18("2","3","4","8","4","1","1") = "7"
    & skf18("2","3","4","8","4","2","1") = "7"
    & skf18("2","3","4","8","4","3","1") = "7"
    & skf18("2","3","4","8","4","4","1") = "7"
    & skf18("2","3","4","8","4","5","1") = "7"
    & skf18("2","3","4","8","4","6","1") = "7"
    & skf18("2","3","4","8","4","7","1") = "7"
    & skf18("2","3","4","8","4","8","1") = "7"
    & skf18("2","3","4","8","4","9","1") = "8"
    & skf18("2","3","4","8","4","10","1") = "9"
    & skf18("2","3","4","8","5","1","1") = "7"
    & skf18("2","3","4","8","5","2","1") = "7"
    & skf18("2","3","4","8","5","3","1") = "7"
    & skf18("2","3","4","8","5","4","1") = "7"
    & skf18("2","3","4","8","5","5","1") = "7"
    & skf18("2","3","4","8","5","6","1") = "7"
    & skf18("2","3","4","8","5","7","1") = "7"
    & skf18("2","3","4","8","5","8","1") = "7"
    & skf18("2","3","4","8","5","9","1") = "8"
    & skf18("2","3","4","8","5","10","1") = "9"
    & skf18("2","3","4","8","6","1","1") = "7"
    & skf18("2","3","4","8","6","2","1") = "7"
    & skf18("2","3","4","8","6","3","1") = "7"
    & skf18("2","3","4","8","6","4","1") = "7"
    & skf18("2","3","4","8","6","5","1") = "7"
    & skf18("2","3","4","8","6","6","1") = "7"
    & skf18("2","3","4","8","6","7","1") = "7"
    & skf18("2","3","4","8","6","8","1") = "7"
    & skf18("2","3","4","8","6","9","1") = "8"
    & skf18("2","3","4","8","6","10","1") = "9"
    & skf18("2","3","4","8","7","1","1") = "7"
    & skf18("2","3","4","8","7","2","1") = "7"
    & skf18("2","3","4","8","7","3","1") = "7"
    & skf18("2","3","4","8","7","4","1") = "7"
    & skf18("2","3","4","8","7","5","1") = "7"
    & skf18("2","3","4","8","7","6","1") = "7"
    & skf18("2","3","4","8","7","7","1") = "7"
    & skf18("2","3","4","8","7","8","1") = "7"
    & skf18("2","3","4","8","7","9","1") = "8"
    & skf18("2","3","4","8","7","10","1") = "9"
    & skf18("2","3","4","8","8","1","1") = "7"
    & skf18("2","3","4","8","8","2","1") = "7"
    & skf18("2","3","4","8","8","3","1") = "7"
    & skf18("2","3","4","8","8","4","1") = "7"
    & skf18("2","3","4","8","8","5","1") = "7"
    & skf18("2","3","4","8","8","6","1") = "7"
    & skf18("2","3","4","8","8","7","1") = "7"
    & skf18("2","3","4","8","8","8","1") = "7"
    & skf18("2","3","4","8","8","9","1") = "8"
    & skf18("2","3","4","8","8","10","1") = "9"
    & skf18("2","3","4","8","9","1","1") = "8"
    & skf18("2","3","4","8","9","2","1") = "8"
    & skf18("2","3","4","8","9","3","1") = "8"
    & skf18("2","3","4","8","9","4","1") = "8"
    & skf18("2","3","4","8","9","5","1") = "8"
    & skf18("2","3","4","8","9","6","1") = "8"
    & skf18("2","3","4","8","9","7","1") = "8"
    & skf18("2","3","4","8","9","8","1") = "8"
    & skf18("2","3","4","8","9","9","1") = "8"
    & skf18("2","3","4","8","9","10","1") = "9"
    & skf18("2","3","4","8","10","1","1") = "9"
    & skf18("2","3","4","8","10","2","1") = "9"
    & skf18("2","3","4","8","10","3","1") = "9"
    & skf18("2","3","4","8","10","4","1") = "9"
    & skf18("2","3","4","8","10","5","1") = "9"
    & skf18("2","3","4","8","10","6","1") = "9"
    & skf18("2","3","4","8","10","7","1") = "9"
    & skf18("2","3","4","8","10","8","1") = "9"
    & skf18("2","3","4","8","10","9","1") = "9"
    & skf18("2","3","4","8","10","10","1") = "9"
    & skf18("2","3","4","9","1","1","1") = "8"
    & skf18("2","3","4","9","1","2","1") = "8"
    & skf18("2","3","4","9","1","3","1") = "8"
    & skf18("2","3","4","9","1","4","1") = "8"
    & skf18("2","3","4","9","1","5","1") = "8"
    & skf18("2","3","4","9","1","6","1") = "8"
    & skf18("2","3","4","9","1","7","1") = "8"
    & skf18("2","3","4","9","1","8","1") = "8"
    & skf18("2","3","4","9","1","9","1") = "8"
    & skf18("2","3","4","9","1","10","1") = "9"
    & skf18("2","3","4","9","2","1","1") = "8"
    & skf18("2","3","4","9","2","2","1") = "8"
    & skf18("2","3","4","9","2","3","1") = "8"
    & skf18("2","3","4","9","2","4","1") = "8"
    & skf18("2","3","4","9","2","5","1") = "8"
    & skf18("2","3","4","9","2","6","1") = "8"
    & skf18("2","3","4","9","2","7","1") = "8"
    & skf18("2","3","4","9","2","8","1") = "8"
    & skf18("2","3","4","9","2","9","1") = "8"
    & skf18("2","3","4","9","2","10","1") = "9"
    & skf18("2","3","4","9","3","1","1") = "8"
    & skf18("2","3","4","9","3","2","1") = "8"
    & skf18("2","3","4","9","3","3","1") = "8"
    & skf18("2","3","4","9","3","4","1") = "8"
    & skf18("2","3","4","9","3","5","1") = "8"
    & skf18("2","3","4","9","3","6","1") = "8"
    & skf18("2","3","4","9","3","7","1") = "8"
    & skf18("2","3","4","9","3","8","1") = "8"
    & skf18("2","3","4","9","3","9","1") = "8"
    & skf18("2","3","4","9","3","10","1") = "9"
    & skf18("2","3","4","9","4","1","1") = "8"
    & skf18("2","3","4","9","4","2","1") = "8"
    & skf18("2","3","4","9","4","3","1") = "8"
    & skf18("2","3","4","9","4","4","1") = "8"
    & skf18("2","3","4","9","4","5","1") = "8"
    & skf18("2","3","4","9","4","6","1") = "8"
    & skf18("2","3","4","9","4","7","1") = "8"
    & skf18("2","3","4","9","4","8","1") = "8"
    & skf18("2","3","4","9","4","9","1") = "8"
    & skf18("2","3","4","9","4","10","1") = "9"
    & skf18("2","3","4","9","5","1","1") = "8"
    & skf18("2","3","4","9","5","2","1") = "8"
    & skf18("2","3","4","9","5","3","1") = "8"
    & skf18("2","3","4","9","5","4","1") = "8"
    & skf18("2","3","4","9","5","5","1") = "8"
    & skf18("2","3","4","9","5","6","1") = "8"
    & skf18("2","3","4","9","5","7","1") = "8"
    & skf18("2","3","4","9","5","8","1") = "8"
    & skf18("2","3","4","9","5","9","1") = "8"
    & skf18("2","3","4","9","5","10","1") = "9"
    & skf18("2","3","4","9","6","1","1") = "8"
    & skf18("2","3","4","9","6","2","1") = "8"
    & skf18("2","3","4","9","6","3","1") = "8"
    & skf18("2","3","4","9","6","4","1") = "8"
    & skf18("2","3","4","9","6","5","1") = "8"
    & skf18("2","3","4","9","6","6","1") = "8"
    & skf18("2","3","4","9","6","7","1") = "8"
    & skf18("2","3","4","9","6","8","1") = "8"
    & skf18("2","3","4","9","6","9","1") = "8"
    & skf18("2","3","4","9","6","10","1") = "9"
    & skf18("2","3","4","9","7","1","1") = "8"
    & skf18("2","3","4","9","7","2","1") = "8"
    & skf18("2","3","4","9","7","3","1") = "8"
    & skf18("2","3","4","9","7","4","1") = "8"
    & skf18("2","3","4","9","7","5","1") = "8"
    & skf18("2","3","4","9","7","6","1") = "8"
    & skf18("2","3","4","9","7","7","1") = "8"
    & skf18("2","3","4","9","7","8","1") = "8"
    & skf18("2","3","4","9","7","9","1") = "8"
    & skf18("2","3","4","9","7","10","1") = "9"
    & skf18("2","3","4","9","8","1","1") = "8"
    & skf18("2","3","4","9","8","2","1") = "8"
    & skf18("2","3","4","9","8","3","1") = "8"
    & skf18("2","3","4","9","8","4","1") = "8"
    & skf18("2","3","4","9","8","5","1") = "8"
    & skf18("2","3","4","9","8","6","1") = "8"
    & skf18("2","3","4","9","8","7","1") = "8"
    & skf18("2","3","4","9","8","8","1") = "8"
    & skf18("2","3","4","9","8","9","1") = "8"
    & skf18("2","3","4","9","8","10","1") = "9"
    & skf18("2","3","4","9","9","1","1") = "8"
    & skf18("2","3","4","9","9","2","1") = "8"
    & skf18("2","3","4","9","9","3","1") = "8"
    & skf18("2","3","4","9","9","4","1") = "8"
    & skf18("2","3","4","9","9","5","1") = "8"
    & skf18("2","3","4","9","9","6","1") = "8"
    & skf18("2","3","4","9","9","7","1") = "8"
    & skf18("2","3","4","9","9","8","1") = "8"
    & skf18("2","3","4","9","9","9","1") = "8"
    & skf18("2","3","4","9","9","10","1") = "9"
    & skf18("2","3","4","9","10","1","1") = "9"
    & skf18("2","3","4","9","10","2","1") = "9"
    & skf18("2","3","4","9","10","3","1") = "9"
    & skf18("2","3","4","9","10","4","1") = "9"
    & skf18("2","3","4","9","10","5","1") = "9"
    & skf18("2","3","4","9","10","6","1") = "9"
    & skf18("2","3","4","9","10","7","1") = "9"
    & skf18("2","3","4","9","10","8","1") = "9"
    & skf18("2","3","4","9","10","9","1") = "9"
    & skf18("2","3","4","9","10","10","1") = "9"
    & skf18("2","3","4","10","1","1","1") = "9"
    & skf18("2","3","4","10","1","2","1") = "9"
    & skf18("2","3","4","10","1","3","1") = "9"
    & skf18("2","3","4","10","1","4","1") = "9"
    & skf18("2","3","4","10","1","5","1") = "9"
    & skf18("2","3","4","10","1","6","1") = "9"
    & skf18("2","3","4","10","1","7","1") = "9"
    & skf18("2","3","4","10","1","8","1") = "9"
    & skf18("2","3","4","10","1","9","1") = "9"
    & skf18("2","3","4","10","1","10","1") = "9"
    & skf18("2","3","4","10","2","1","1") = "9"
    & skf18("2","3","4","10","2","2","1") = "9"
    & skf18("2","3","4","10","2","3","1") = "9"
    & skf18("2","3","4","10","2","4","1") = "9"
    & skf18("2","3","4","10","2","5","1") = "9"
    & skf18("2","3","4","10","2","6","1") = "9"
    & skf18("2","3","4","10","2","7","1") = "9"
    & skf18("2","3","4","10","2","8","1") = "9"
    & skf18("2","3","4","10","2","9","1") = "9"
    & skf18("2","3","4","10","2","10","1") = "9"
    & skf18("2","3","4","10","3","1","1") = "9"
    & skf18("2","3","4","10","3","2","1") = "9"
    & skf18("2","3","4","10","3","3","1") = "9"
    & skf18("2","3","4","10","3","4","1") = "9"
    & skf18("2","3","4","10","3","5","1") = "9"
    & skf18("2","3","4","10","3","6","1") = "9"
    & skf18("2","3","4","10","3","7","1") = "9"
    & skf18("2","3","4","10","3","8","1") = "9"
    & skf18("2","3","4","10","3","9","1") = "9"
    & skf18("2","3","4","10","3","10","1") = "9"
    & skf18("2","3","4","10","4","1","1") = "9"
    & skf18("2","3","4","10","4","2","1") = "9"
    & skf18("2","3","4","10","4","3","1") = "9"
    & skf18("2","3","4","10","4","4","1") = "9"
    & skf18("2","3","4","10","4","5","1") = "9"
    & skf18("2","3","4","10","4","6","1") = "9"
    & skf18("2","3","4","10","4","7","1") = "9"
    & skf18("2","3","4","10","4","8","1") = "9"
    & skf18("2","3","4","10","4","9","1") = "9"
    & skf18("2","3","4","10","4","10","1") = "9"
    & skf18("2","3","4","10","5","1","1") = "9"
    & skf18("2","3","4","10","5","2","1") = "9"
    & skf18("2","3","4","10","5","3","1") = "9"
    & skf18("2","3","4","10","5","4","1") = "9"
    & skf18("2","3","4","10","5","5","1") = "9"
    & skf18("2","3","4","10","5","6","1") = "9"
    & skf18("2","3","4","10","5","7","1") = "9"
    & skf18("2","3","4","10","5","8","1") = "9"
    & skf18("2","3","4","10","5","9","1") = "9"
    & skf18("2","3","4","10","5","10","1") = "9"
    & skf18("2","3","4","10","6","1","1") = "9"
    & skf18("2","3","4","10","6","2","1") = "9"
    & skf18("2","3","4","10","6","3","1") = "9"
    & skf18("2","3","4","10","6","4","1") = "9"
    & skf18("2","3","4","10","6","5","1") = "9"
    & skf18("2","3","4","10","6","6","1") = "9"
    & skf18("2","3","4","10","6","7","1") = "9"
    & skf18("2","3","4","10","6","8","1") = "9"
    & skf18("2","3","4","10","6","9","1") = "9"
    & skf18("2","3","4","10","6","10","1") = "9"
    & skf18("2","3","4","10","7","1","1") = "9"
    & skf18("2","3","4","10","7","2","1") = "9"
    & skf18("2","3","4","10","7","3","1") = "9"
    & skf18("2","3","4","10","7","4","1") = "9"
    & skf18("2","3","4","10","7","5","1") = "9"
    & skf18("2","3","4","10","7","6","1") = "9"
    & skf18("2","3","4","10","7","7","1") = "9"
    & skf18("2","3","4","10","7","8","1") = "9"
    & skf18("2","3","4","10","7","9","1") = "9"
    & skf18("2","3","4","10","7","10","1") = "9"
    & skf18("2","3","4","10","8","1","1") = "9"
    & skf18("2","3","4","10","8","2","1") = "9"
    & skf18("2","3","4","10","8","3","1") = "9"
    & skf18("2","3","4","10","8","4","1") = "9"
    & skf18("2","3","4","10","8","5","1") = "9"
    & skf18("2","3","4","10","8","6","1") = "9"
    & skf18("2","3","4","10","8","7","1") = "9"
    & skf18("2","3","4","10","8","8","1") = "9"
    & skf18("2","3","4","10","8","9","1") = "9"
    & skf18("2","3","4","10","8","10","1") = "9"
    & skf18("2","3","4","10","9","1","1") = "9"
    & skf18("2","3","4","10","9","2","1") = "9"
    & skf18("2","3","4","10","9","3","1") = "9"
    & skf18("2","3","4","10","9","4","1") = "9"
    & skf18("2","3","4","10","9","5","1") = "9"
    & skf18("2","3","4","10","9","6","1") = "9"
    & skf18("2","3","4","10","9","7","1") = "9"
    & skf18("2","3","4","10","9","8","1") = "9"
    & skf18("2","3","4","10","9","9","1") = "9"
    & skf18("2","3","4","10","9","10","1") = "9"
    & skf18("2","3","4","10","10","1","1") = "9"
    & skf18("2","3","4","10","10","2","1") = "9"
    & skf18("2","3","4","10","10","3","1") = "9"
    & skf18("2","3","4","10","10","4","1") = "9"
    & skf18("2","3","4","10","10","5","1") = "9"
    & skf18("2","3","4","10","10","6","1") = "9"
    & skf18("2","3","4","10","10","7","1") = "9"
    & skf18("2","3","4","10","10","8","1") = "9"
    & skf18("2","3","4","10","10","9","1") = "9"
    & skf18("2","3","4","10","10","10","1") = "9"
    & skf18("2","3","5","1","1","1","1") = "4"
    & skf18("2","3","5","1","1","2","1") = "4"
    & skf18("2","3","5","1","1","3","1") = "4"
    & skf18("2","3","5","1","1","4","1") = "4"
    & skf18("2","3","5","1","1","5","1") = "4"
    & skf18("2","3","5","1","1","6","1") = "5"
    & skf18("2","3","5","1","1","7","1") = "6"
    & skf18("2","3","5","1","1","8","1") = "7"
    & skf18("2","3","5","1","1","9","1") = "8"
    & skf18("2","3","5","1","1","10","1") = "9"
    & skf18("2","3","5","1","2","1","1") = "4"
    & skf18("2","3","5","1","2","2","1") = "4"
    & skf18("2","3","5","1","2","3","1") = "4"
    & skf18("2","3","5","1","2","4","1") = "4"
    & skf18("2","3","5","1","2","5","1") = "4"
    & skf18("2","3","5","1","2","6","1") = "5"
    & skf18("2","3","5","1","2","7","1") = "6"
    & skf18("2","3","5","1","2","8","1") = "7"
    & skf18("2","3","5","1","2","9","1") = "8"
    & skf18("2","3","5","1","2","10","1") = "9"
    & skf18("2","3","5","1","3","1","1") = "4"
    & skf18("2","3","5","1","3","2","1") = "4"
    & skf18("2","3","5","1","3","3","1") = "4"
    & skf18("2","3","5","1","3","4","1") = "4"
    & skf18("2","3","5","1","3","5","1") = "4"
    & skf18("2","3","5","1","3","6","1") = "5"
    & skf18("2","3","5","1","3","7","1") = "6"
    & skf18("2","3","5","1","3","8","1") = "7"
    & skf18("2","3","5","1","3","9","1") = "8"
    & skf18("2","3","5","1","3","10","1") = "9"
    & skf18("2","3","5","1","4","1","1") = "4"
    & skf18("2","3","5","1","4","2","1") = "4"
    & skf18("2","3","5","1","4","3","1") = "4"
    & skf18("2","3","5","1","4","4","1") = "4"
    & skf18("2","3","5","1","4","5","1") = "4"
    & skf18("2","3","5","1","4","6","1") = "5"
    & skf18("2","3","5","1","4","7","1") = "6"
    & skf18("2","3","5","1","4","8","1") = "7"
    & skf18("2","3","5","1","4","9","1") = "8"
    & skf18("2","3","5","1","4","10","1") = "9"
    & skf18("2","3","5","1","5","1","1") = "4"
    & skf18("2","3","5","1","5","2","1") = "4"
    & skf18("2","3","5","1","5","3","1") = "4"
    & skf18("2","3","5","1","5","4","1") = "4"
    & skf18("2","3","5","1","5","5","1") = "4"
    & skf18("2","3","5","1","5","6","1") = "5"
    & skf18("2","3","5","1","5","7","1") = "6"
    & skf18("2","3","5","1","5","8","1") = "7"
    & skf18("2","3","5","1","5","9","1") = "8"
    & skf18("2","3","5","1","5","10","1") = "9"
    & skf18("2","3","5","1","6","1","1") = "5"
    & skf18("2","3","5","1","6","2","1") = "5"
    & skf18("2","3","5","1","6","3","1") = "5"
    & skf18("2","3","5","1","6","4","1") = "5"
    & skf18("2","3","5","1","6","5","1") = "5"
    & skf18("2","3","5","1","6","6","1") = "5"
    & skf18("2","3","5","1","6","7","1") = "6"
    & skf18("2","3","5","1","6","8","1") = "7"
    & skf18("2","3","5","1","6","9","1") = "8"
    & skf18("2","3","5","1","6","10","1") = "9"
    & skf18("2","3","5","1","7","1","1") = "6"
    & skf18("2","3","5","1","7","2","1") = "6"
    & skf18("2","3","5","1","7","3","1") = "6"
    & skf18("2","3","5","1","7","4","1") = "6"
    & skf18("2","3","5","1","7","5","1") = "6"
    & skf18("2","3","5","1","7","6","1") = "6"
    & skf18("2","3","5","1","7","7","1") = "6"
    & skf18("2","3","5","1","7","8","1") = "7"
    & skf18("2","3","5","1","7","9","1") = "8"
    & skf18("2","3","5","1","7","10","1") = "9"
    & skf18("2","3","5","1","8","1","1") = "7"
    & skf18("2","3","5","1","8","2","1") = "7"
    & skf18("2","3","5","1","8","3","1") = "7"
    & skf18("2","3","5","1","8","4","1") = "7"
    & skf18("2","3","5","1","8","5","1") = "7"
    & skf18("2","3","5","1","8","6","1") = "7"
    & skf18("2","3","5","1","8","7","1") = "7"
    & skf18("2","3","5","1","8","8","1") = "7"
    & skf18("2","3","5","1","8","9","1") = "8"
    & skf18("2","3","5","1","8","10","1") = "9"
    & skf18("2","3","5","1","9","1","1") = "8"
    & skf18("2","3","5","1","9","2","1") = "8"
    & skf18("2","3","5","1","9","3","1") = "8"
    & skf18("2","3","5","1","9","4","1") = "8"
    & skf18("2","3","5","1","9","5","1") = "8"
    & skf18("2","3","5","1","9","6","1") = "8"
    & skf18("2","3","5","1","9","7","1") = "8"
    & skf18("2","3","5","1","9","8","1") = "8"
    & skf18("2","3","5","1","9","9","1") = "8"
    & skf18("2","3","5","1","9","10","1") = "9"
    & skf18("2","3","5","1","10","1","1") = "9"
    & skf18("2","3","5","1","10","2","1") = "9"
    & skf18("2","3","5","1","10","3","1") = "9"
    & skf18("2","3","5","1","10","4","1") = "9"
    & skf18("2","3","5","1","10","5","1") = "9"
    & skf18("2","3","5","1","10","6","1") = "9"
    & skf18("2","3","5","1","10","7","1") = "9"
    & skf18("2","3","5","1","10","8","1") = "9"
    & skf18("2","3","5","1","10","9","1") = "9"
    & skf18("2","3","5","1","10","10","1") = "9"
    & skf18("2","3","5","2","1","1","1") = "4"
    & skf18("2","3","5","2","1","2","1") = "4"
    & skf18("2","3","5","2","1","3","1") = "4"
    & skf18("2","3","5","2","1","4","1") = "4"
    & skf18("2","3","5","2","1","5","1") = "4"
    & skf18("2","3","5","2","1","6","1") = "5"
    & skf18("2","3","5","2","1","7","1") = "6"
    & skf18("2","3","5","2","1","8","1") = "7"
    & skf18("2","3","5","2","1","9","1") = "8"
    & skf18("2","3","5","2","1","10","1") = "9"
    & skf18("2","3","5","2","2","1","1") = "4"
    & skf18("2","3","5","2","2","2","1") = "4"
    & skf18("2","3","5","2","2","3","1") = "4"
    & skf18("2","3","5","2","2","4","1") = "4"
    & skf18("2","3","5","2","2","5","1") = "4"
    & skf18("2","3","5","2","2","6","1") = "5"
    & skf18("2","3","5","2","2","7","1") = "6"
    & skf18("2","3","5","2","2","8","1") = "7"
    & skf18("2","3","5","2","2","9","1") = "8"
    & skf18("2","3","5","2","2","10","1") = "9"
    & skf18("2","3","5","2","3","1","1") = "4"
    & skf18("2","3","5","2","3","2","1") = "4"
    & skf18("2","3","5","2","3","3","1") = "4"
    & skf18("2","3","5","2","3","4","1") = "4"
    & skf18("2","3","5","2","3","5","1") = "4"
    & skf18("2","3","5","2","3","6","1") = "5"
    & skf18("2","3","5","2","3","7","1") = "6"
    & skf18("2","3","5","2","3","8","1") = "7"
    & skf18("2","3","5","2","3","9","1") = "8"
    & skf18("2","3","5","2","3","10","1") = "9"
    & skf18("2","3","5","2","4","1","1") = "4"
    & skf18("2","3","5","2","4","2","1") = "4"
    & skf18("2","3","5","2","4","3","1") = "4"
    & skf18("2","3","5","2","4","4","1") = "4"
    & skf18("2","3","5","2","4","5","1") = "4"
    & skf18("2","3","5","2","4","6","1") = "5"
    & skf18("2","3","5","2","4","7","1") = "6"
    & skf18("2","3","5","2","4","8","1") = "7"
    & skf18("2","3","5","2","4","9","1") = "8"
    & skf18("2","3","5","2","4","10","1") = "9"
    & skf18("2","3","5","2","5","1","1") = "4"
    & skf18("2","3","5","2","5","2","1") = "4"
    & skf18("2","3","5","2","5","3","1") = "4"
    & skf18("2","3","5","2","5","4","1") = "4"
    & skf18("2","3","5","2","5","5","1") = "4"
    & skf18("2","3","5","2","5","6","1") = "5"
    & skf18("2","3","5","2","5","7","1") = "6"
    & skf18("2","3","5","2","5","8","1") = "7"
    & skf18("2","3","5","2","5","9","1") = "8"
    & skf18("2","3","5","2","5","10","1") = "9"
    & skf18("2","3","5","2","6","1","1") = "5"
    & skf18("2","3","5","2","6","2","1") = "5"
    & skf18("2","3","5","2","6","3","1") = "5"
    & skf18("2","3","5","2","6","4","1") = "5"
    & skf18("2","3","5","2","6","5","1") = "5"
    & skf18("2","3","5","2","6","6","1") = "5"
    & skf18("2","3","5","2","6","7","1") = "6"
    & skf18("2","3","5","2","6","8","1") = "7"
    & skf18("2","3","5","2","6","9","1") = "8"
    & skf18("2","3","5","2","6","10","1") = "9"
    & skf18("2","3","5","2","7","1","1") = "6"
    & skf18("2","3","5","2","7","2","1") = "6"
    & skf18("2","3","5","2","7","3","1") = "6"
    & skf18("2","3","5","2","7","4","1") = "6"
    & skf18("2","3","5","2","7","5","1") = "6"
    & skf18("2","3","5","2","7","6","1") = "6"
    & skf18("2","3","5","2","7","7","1") = "6"
    & skf18("2","3","5","2","7","8","1") = "7"
    & skf18("2","3","5","2","7","9","1") = "8"
    & skf18("2","3","5","2","7","10","1") = "9"
    & skf18("2","3","5","2","8","1","1") = "7"
    & skf18("2","3","5","2","8","2","1") = "7"
    & skf18("2","3","5","2","8","3","1") = "7"
    & skf18("2","3","5","2","8","4","1") = "7"
    & skf18("2","3","5","2","8","5","1") = "7"
    & skf18("2","3","5","2","8","6","1") = "7"
    & skf18("2","3","5","2","8","7","1") = "7"
    & skf18("2","3","5","2","8","8","1") = "7"
    & skf18("2","3","5","2","8","9","1") = "8"
    & skf18("2","3","5","2","8","10","1") = "9"
    & skf18("2","3","5","2","9","1","1") = "8"
    & skf18("2","3","5","2","9","2","1") = "8"
    & skf18("2","3","5","2","9","3","1") = "8"
    & skf18("2","3","5","2","9","4","1") = "8"
    & skf18("2","3","5","2","9","5","1") = "8"
    & skf18("2","3","5","2","9","6","1") = "8"
    & skf18("2","3","5","2","9","7","1") = "8"
    & skf18("2","3","5","2","9","8","1") = "8"
    & skf18("2","3","5","2","9","9","1") = "8"
    & skf18("2","3","5","2","9","10","1") = "9"
    & skf18("2","3","5","2","10","1","1") = "9"
    & skf18("2","3","5","2","10","2","1") = "9"
    & skf18("2","3","5","2","10","3","1") = "9"
    & skf18("2","3","5","2","10","4","1") = "9"
    & skf18("2","3","5","2","10","5","1") = "9"
    & skf18("2","3","5","2","10","6","1") = "9"
    & skf18("2","3","5","2","10","7","1") = "9"
    & skf18("2","3","5","2","10","8","1") = "9"
    & skf18("2","3","5","2","10","9","1") = "9"
    & skf18("2","3","5","2","10","10","1") = "9"
    & skf18("2","3","5","3","1","1","1") = "4"
    & skf18("2","3","5","3","1","2","1") = "4"
    & skf18("2","3","5","3","1","3","1") = "4"
    & skf18("2","3","5","3","1","4","1") = "4"
    & skf18("2","3","5","3","1","5","1") = "4"
    & skf18("2","3","5","3","1","6","1") = "5"
    & skf18("2","3","5","3","1","7","1") = "6"
    & skf18("2","3","5","3","1","8","1") = "7"
    & skf18("2","3","5","3","1","9","1") = "8"
    & skf18("2","3","5","3","1","10","1") = "9"
    & skf18("2","3","5","3","2","1","1") = "4"
    & skf18("2","3","5","3","2","2","1") = "4"
    & skf18("2","3","5","3","2","3","1") = "4"
    & skf18("2","3","5","3","2","4","1") = "4"
    & skf18("2","3","5","3","2","5","1") = "4"
    & skf18("2","3","5","3","2","6","1") = "5"
    & skf18("2","3","5","3","2","7","1") = "6"
    & skf18("2","3","5","3","2","8","1") = "7"
    & skf18("2","3","5","3","2","9","1") = "8"
    & skf18("2","3","5","3","2","10","1") = "9"
    & skf18("2","3","5","3","3","1","1") = "4"
    & skf18("2","3","5","3","3","2","1") = "4"
    & skf18("2","3","5","3","3","3","1") = "4"
    & skf18("2","3","5","3","3","4","1") = "4"
    & skf18("2","3","5","3","3","5","1") = "4"
    & skf18("2","3","5","3","3","6","1") = "5"
    & skf18("2","3","5","3","3","7","1") = "6"
    & skf18("2","3","5","3","3","8","1") = "7"
    & skf18("2","3","5","3","3","9","1") = "8"
    & skf18("2","3","5","3","3","10","1") = "9"
    & skf18("2","3","5","3","4","1","1") = "4"
    & skf18("2","3","5","3","4","2","1") = "4"
    & skf18("2","3","5","3","4","3","1") = "4"
    & skf18("2","3","5","3","4","4","1") = "4"
    & skf18("2","3","5","3","4","5","1") = "4"
    & skf18("2","3","5","3","4","6","1") = "5"
    & skf18("2","3","5","3","4","7","1") = "6"
    & skf18("2","3","5","3","4","8","1") = "7"
    & skf18("2","3","5","3","4","9","1") = "8"
    & skf18("2","3","5","3","4","10","1") = "9"
    & skf18("2","3","5","3","5","1","1") = "4"
    & skf18("2","3","5","3","5","2","1") = "4"
    & skf18("2","3","5","3","5","3","1") = "4"
    & skf18("2","3","5","3","5","4","1") = "4"
    & skf18("2","3","5","3","5","5","1") = "4"
    & skf18("2","3","5","3","5","6","1") = "5"
    & skf18("2","3","5","3","5","7","1") = "6"
    & skf18("2","3","5","3","5","8","1") = "7"
    & skf18("2","3","5","3","5","9","1") = "8"
    & skf18("2","3","5","3","5","10","1") = "9"
    & skf18("2","3","5","3","6","1","1") = "5"
    & skf18("2","3","5","3","6","2","1") = "5"
    & skf18("2","3","5","3","6","3","1") = "5"
    & skf18("2","3","5","3","6","4","1") = "5"
    & skf18("2","3","5","3","6","5","1") = "5"
    & skf18("2","3","5","3","6","6","1") = "5"
    & skf18("2","3","5","3","6","7","1") = "6"
    & skf18("2","3","5","3","6","8","1") = "7"
    & skf18("2","3","5","3","6","9","1") = "8"
    & skf18("2","3","5","3","6","10","1") = "9"
    & skf18("2","3","5","3","7","1","1") = "6"
    & skf18("2","3","5","3","7","2","1") = "6"
    & skf18("2","3","5","3","7","3","1") = "6"
    & skf18("2","3","5","3","7","4","1") = "6"
    & skf18("2","3","5","3","7","5","1") = "6"
    & skf18("2","3","5","3","7","6","1") = "6"
    & skf18("2","3","5","3","7","7","1") = "6"
    & skf18("2","3","5","3","7","8","1") = "7"
    & skf18("2","3","5","3","7","9","1") = "8"
    & skf18("2","3","5","3","7","10","1") = "9"
    & skf18("2","3","5","3","8","1","1") = "7"
    & skf18("2","3","5","3","8","2","1") = "7"
    & skf18("2","3","5","3","8","3","1") = "7"
    & skf18("2","3","5","3","8","4","1") = "7"
    & skf18("2","3","5","3","8","5","1") = "7"
    & skf18("2","3","5","3","8","6","1") = "7"
    & skf18("2","3","5","3","8","7","1") = "7"
    & skf18("2","3","5","3","8","8","1") = "7"
    & skf18("2","3","5","3","8","9","1") = "8"
    & skf18("2","3","5","3","8","10","1") = "9"
    & skf18("2","3","5","3","9","1","1") = "8"
    & skf18("2","3","5","3","9","2","1") = "8"
    & skf18("2","3","5","3","9","3","1") = "8"
    & skf18("2","3","5","3","9","4","1") = "8"
    & skf18("2","3","5","3","9","5","1") = "8"
    & skf18("2","3","5","3","9","6","1") = "8"
    & skf18("2","3","5","3","9","7","1") = "8"
    & skf18("2","3","5","3","9","8","1") = "8"
    & skf18("2","3","5","3","9","9","1") = "8"
    & skf18("2","3","5","3","9","10","1") = "9"
    & skf18("2","3","5","3","10","1","1") = "9"
    & skf18("2","3","5","3","10","2","1") = "9"
    & skf18("2","3","5","3","10","3","1") = "9"
    & skf18("2","3","5","3","10","4","1") = "9"
    & skf18("2","3","5","3","10","5","1") = "9"
    & skf18("2","3","5","3","10","6","1") = "9"
    & skf18("2","3","5","3","10","7","1") = "9"
    & skf18("2","3","5","3","10","8","1") = "9"
    & skf18("2","3","5","3","10","9","1") = "9"
    & skf18("2","3","5","3","10","10","1") = "9"
    & skf18("2","3","5","4","1","1","1") = "4"
    & skf18("2","3","5","4","1","2","1") = "4"
    & skf18("2","3","5","4","1","3","1") = "4"
    & skf18("2","3","5","4","1","4","1") = "4"
    & skf18("2","3","5","4","1","5","1") = "4"
    & skf18("2","3","5","4","1","6","1") = "5"
    & skf18("2","3","5","4","1","7","1") = "6"
    & skf18("2","3","5","4","1","8","1") = "7"
    & skf18("2","3","5","4","1","9","1") = "8"
    & skf18("2","3","5","4","1","10","1") = "9"
    & skf18("2","3","5","4","2","1","1") = "4"
    & skf18("2","3","5","4","2","2","1") = "4"
    & skf18("2","3","5","4","2","3","1") = "4"
    & skf18("2","3","5","4","2","4","1") = "4"
    & skf18("2","3","5","4","2","5","1") = "4"
    & skf18("2","3","5","4","2","6","1") = "5"
    & skf18("2","3","5","4","2","7","1") = "6"
    & skf18("2","3","5","4","2","8","1") = "7"
    & skf18("2","3","5","4","2","9","1") = "8"
    & skf18("2","3","5","4","2","10","1") = "9"
    & skf18("2","3","5","4","3","1","1") = "4"
    & skf18("2","3","5","4","3","2","1") = "4"
    & skf18("2","3","5","4","3","3","1") = "4"
    & skf18("2","3","5","4","3","4","1") = "4"
    & skf18("2","3","5","4","3","5","1") = "4"
    & skf18("2","3","5","4","3","6","1") = "5"
    & skf18("2","3","5","4","3","7","1") = "6"
    & skf18("2","3","5","4","3","8","1") = "7"
    & skf18("2","3","5","4","3","9","1") = "8"
    & skf18("2","3","5","4","3","10","1") = "9"
    & skf18("2","3","5","4","4","1","1") = "4"
    & skf18("2","3","5","4","4","2","1") = "4"
    & skf18("2","3","5","4","4","3","1") = "4"
    & skf18("2","3","5","4","4","4","1") = "4"
    & skf18("2","3","5","4","4","5","1") = "4"
    & skf18("2","3","5","4","4","6","1") = "5"
    & skf18("2","3","5","4","4","7","1") = "6"
    & skf18("2","3","5","4","4","8","1") = "7"
    & skf18("2","3","5","4","4","9","1") = "8"
    & skf18("2","3","5","4","4","10","1") = "9"
    & skf18("2","3","5","4","5","1","1") = "4"
    & skf18("2","3","5","4","5","2","1") = "4"
    & skf18("2","3","5","4","5","3","1") = "4"
    & skf18("2","3","5","4","5","4","1") = "4"
    & skf18("2","3","5","4","5","5","1") = "4"
    & skf18("2","3","5","4","5","6","1") = "5"
    & skf18("2","3","5","4","5","7","1") = "6"
    & skf18("2","3","5","4","5","8","1") = "7"
    & skf18("2","3","5","4","5","9","1") = "8"
    & skf18("2","3","5","4","5","10","1") = "9"
    & skf18("2","3","5","4","6","1","1") = "5"
    & skf18("2","3","5","4","6","2","1") = "5"
    & skf18("2","3","5","4","6","3","1") = "5"
    & skf18("2","3","5","4","6","4","1") = "5"
    & skf18("2","3","5","4","6","5","1") = "5"
    & skf18("2","3","5","4","6","6","1") = "5"
    & skf18("2","3","5","4","6","7","1") = "6"
    & skf18("2","3","5","4","6","8","1") = "7"
    & skf18("2","3","5","4","6","9","1") = "8"
    & skf18("2","3","5","4","6","10","1") = "9"
    & skf18("2","3","5","4","7","1","1") = "6"
    & skf18("2","3","5","4","7","2","1") = "6"
    & skf18("2","3","5","4","7","3","1") = "6"
    & skf18("2","3","5","4","7","4","1") = "6"
    & skf18("2","3","5","4","7","5","1") = "6"
    & skf18("2","3","5","4","7","6","1") = "6"
    & skf18("2","3","5","4","7","7","1") = "6"
    & skf18("2","3","5","4","7","8","1") = "7"
    & skf18("2","3","5","4","7","9","1") = "8"
    & skf18("2","3","5","4","7","10","1") = "9"
    & skf18("2","3","5","4","8","1","1") = "7"
    & skf18("2","3","5","4","8","2","1") = "7"
    & skf18("2","3","5","4","8","3","1") = "7"
    & skf18("2","3","5","4","8","4","1") = "7"
    & skf18("2","3","5","4","8","5","1") = "7"
    & skf18("2","3","5","4","8","6","1") = "7"
    & skf18("2","3","5","4","8","7","1") = "7"
    & skf18("2","3","5","4","8","8","1") = "7"
    & skf18("2","3","5","4","8","9","1") = "8"
    & skf18("2","3","5","4","8","10","1") = "9"
    & skf18("2","3","5","4","9","1","1") = "8"
    & skf18("2","3","5","4","9","2","1") = "8"
    & skf18("2","3","5","4","9","3","1") = "8"
    & skf18("2","3","5","4","9","4","1") = "8"
    & skf18("2","3","5","4","9","5","1") = "8"
    & skf18("2","3","5","4","9","6","1") = "8"
    & skf18("2","3","5","4","9","7","1") = "8"
    & skf18("2","3","5","4","9","8","1") = "8"
    & skf18("2","3","5","4","9","9","1") = "8"
    & skf18("2","3","5","4","9","10","1") = "9"
    & skf18("2","3","5","4","10","1","1") = "9"
    & skf18("2","3","5","4","10","2","1") = "9"
    & skf18("2","3","5","4","10","3","1") = "9"
    & skf18("2","3","5","4","10","4","1") = "9"
    & skf18("2","3","5","4","10","5","1") = "9"
    & skf18("2","3","5","4","10","6","1") = "9"
    & skf18("2","3","5","4","10","7","1") = "9"
    & skf18("2","3","5","4","10","8","1") = "9"
    & skf18("2","3","5","4","10","9","1") = "9"
    & skf18("2","3","5","4","10","10","1") = "9"
    & skf18("2","3","5","5","1","1","1") = "4"
    & skf18("2","3","5","5","1","2","1") = "4"
    & skf18("2","3","5","5","1","3","1") = "4"
    & skf18("2","3","5","5","1","4","1") = "4"
    & skf18("2","3","5","5","1","5","1") = "4"
    & skf18("2","3","5","5","1","6","1") = "5"
    & skf18("2","3","5","5","1","7","1") = "6"
    & skf18("2","3","5","5","1","8","1") = "7"
    & skf18("2","3","5","5","1","9","1") = "8"
    & skf18("2","3","5","5","1","10","1") = "9"
    & skf18("2","3","5","5","2","1","1") = "4"
    & skf18("2","3","5","5","2","2","1") = "4"
    & skf18("2","3","5","5","2","3","1") = "4"
    & skf18("2","3","5","5","2","4","1") = "4"
    & skf18("2","3","5","5","2","5","1") = "4"
    & skf18("2","3","5","5","2","6","1") = "5"
    & skf18("2","3","5","5","2","7","1") = "6"
    & skf18("2","3","5","5","2","8","1") = "7"
    & skf18("2","3","5","5","2","9","1") = "8"
    & skf18("2","3","5","5","2","10","1") = "9"
    & skf18("2","3","5","5","3","1","1") = "4"
    & skf18("2","3","5","5","3","2","1") = "4"
    & skf18("2","3","5","5","3","3","1") = "4"
    & skf18("2","3","5","5","3","4","1") = "4"
    & skf18("2","3","5","5","3","5","1") = "4"
    & skf18("2","3","5","5","3","6","1") = "5"
    & skf18("2","3","5","5","3","7","1") = "6"
    & skf18("2","3","5","5","3","8","1") = "7"
    & skf18("2","3","5","5","3","9","1") = "8"
    & skf18("2","3","5","5","3","10","1") = "9"
    & skf18("2","3","5","5","4","1","1") = "4"
    & skf18("2","3","5","5","4","2","1") = "4"
    & skf18("2","3","5","5","4","3","1") = "4"
    & skf18("2","3","5","5","4","4","1") = "4"
    & skf18("2","3","5","5","4","5","1") = "4"
    & skf18("2","3","5","5","4","6","1") = "5"
    & skf18("2","3","5","5","4","7","1") = "6"
    & skf18("2","3","5","5","4","8","1") = "7"
    & skf18("2","3","5","5","4","9","1") = "8"
    & skf18("2","3","5","5","4","10","1") = "9"
    & skf18("2","3","5","5","5","1","1") = "4"
    & skf18("2","3","5","5","5","2","1") = "4"
    & skf18("2","3","5","5","5","3","1") = "4"
    & skf18("2","3","5","5","5","4","1") = "4"
    & skf18("2","3","5","5","5","5","1") = "4"
    & skf18("2","3","5","5","5","6","1") = "5"
    & skf18("2","3","5","5","5","7","1") = "6"
    & skf18("2","3","5","5","5","8","1") = "7"
    & skf18("2","3","5","5","5","9","1") = "8"
    & skf18("2","3","5","5","5","10","1") = "9"
    & skf18("2","3","5","5","6","1","1") = "5"
    & skf18("2","3","5","5","6","2","1") = "5"
    & skf18("2","3","5","5","6","3","1") = "5"
    & skf18("2","3","5","5","6","4","1") = "5"
    & skf18("2","3","5","5","6","5","1") = "5"
    & skf18("2","3","5","5","6","6","1") = "5"
    & skf18("2","3","5","5","6","7","1") = "6"
    & skf18("2","3","5","5","6","8","1") = "7"
    & skf18("2","3","5","5","6","9","1") = "8"
    & skf18("2","3","5","5","6","10","1") = "9"
    & skf18("2","3","5","5","7","1","1") = "6"
    & skf18("2","3","5","5","7","2","1") = "6"
    & skf18("2","3","5","5","7","3","1") = "6"
    & skf18("2","3","5","5","7","4","1") = "6"
    & skf18("2","3","5","5","7","5","1") = "6"
    & skf18("2","3","5","5","7","6","1") = "6"
    & skf18("2","3","5","5","7","7","1") = "6"
    & skf18("2","3","5","5","7","8","1") = "7"
    & skf18("2","3","5","5","7","9","1") = "8"
    & skf18("2","3","5","5","7","10","1") = "9"
    & skf18("2","3","5","5","8","1","1") = "7"
    & skf18("2","3","5","5","8","2","1") = "7"
    & skf18("2","3","5","5","8","3","1") = "7"
    & skf18("2","3","5","5","8","4","1") = "7"
    & skf18("2","3","5","5","8","5","1") = "7"
    & skf18("2","3","5","5","8","6","1") = "7"
    & skf18("2","3","5","5","8","7","1") = "7"
    & skf18("2","3","5","5","8","8","1") = "7"
    & skf18("2","3","5","5","8","9","1") = "8"
    & skf18("2","3","5","5","8","10","1") = "9"
    & skf18("2","3","5","5","9","1","1") = "8"
    & skf18("2","3","5","5","9","2","1") = "8"
    & skf18("2","3","5","5","9","3","1") = "8"
    & skf18("2","3","5","5","9","4","1") = "8"
    & skf18("2","3","5","5","9","5","1") = "8"
    & skf18("2","3","5","5","9","6","1") = "8"
    & skf18("2","3","5","5","9","7","1") = "8"
    & skf18("2","3","5","5","9","8","1") = "8"
    & skf18("2","3","5","5","9","9","1") = "8"
    & skf18("2","3","5","5","9","10","1") = "9"
    & skf18("2","3","5","5","10","1","1") = "9"
    & skf18("2","3","5","5","10","2","1") = "9"
    & skf18("2","3","5","5","10","3","1") = "9"
    & skf18("2","3","5","5","10","4","1") = "9"
    & skf18("2","3","5","5","10","5","1") = "9"
    & skf18("2","3","5","5","10","6","1") = "9"
    & skf18("2","3","5","5","10","7","1") = "9"
    & skf18("2","3","5","5","10","8","1") = "9"
    & skf18("2","3","5","5","10","9","1") = "9"
    & skf18("2","3","5","5","10","10","1") = "9"
    & skf18("2","3","5","6","1","1","1") = "5"
    & skf18("2","3","5","6","1","2","1") = "5"
    & skf18("2","3","5","6","1","3","1") = "5"
    & skf18("2","3","5","6","1","4","1") = "5"
    & skf18("2","3","5","6","1","5","1") = "5"
    & skf18("2","3","5","6","1","6","1") = "5"
    & skf18("2","3","5","6","1","7","1") = "6"
    & skf18("2","3","5","6","1","8","1") = "7"
    & skf18("2","3","5","6","1","9","1") = "8"
    & skf18("2","3","5","6","1","10","1") = "9"
    & skf18("2","3","5","6","2","1","1") = "5"
    & skf18("2","3","5","6","2","2","1") = "5"
    & skf18("2","3","5","6","2","3","1") = "5"
    & skf18("2","3","5","6","2","4","1") = "5"
    & skf18("2","3","5","6","2","5","1") = "5"
    & skf18("2","3","5","6","2","6","1") = "5"
    & skf18("2","3","5","6","2","7","1") = "6"
    & skf18("2","3","5","6","2","8","1") = "7"
    & skf18("2","3","5","6","2","9","1") = "8"
    & skf18("2","3","5","6","2","10","1") = "9"
    & skf18("2","3","5","6","3","1","1") = "5"
    & skf18("2","3","5","6","3","2","1") = "5"
    & skf18("2","3","5","6","3","3","1") = "5"
    & skf18("2","3","5","6","3","4","1") = "5"
    & skf18("2","3","5","6","3","5","1") = "5"
    & skf18("2","3","5","6","3","6","1") = "5"
    & skf18("2","3","5","6","3","7","1") = "6"
    & skf18("2","3","5","6","3","8","1") = "7"
    & skf18("2","3","5","6","3","9","1") = "8"
    & skf18("2","3","5","6","3","10","1") = "9"
    & skf18("2","3","5","6","4","1","1") = "5"
    & skf18("2","3","5","6","4","2","1") = "5"
    & skf18("2","3","5","6","4","3","1") = "5"
    & skf18("2","3","5","6","4","4","1") = "5"
    & skf18("2","3","5","6","4","5","1") = "5"
    & skf18("2","3","5","6","4","6","1") = "5"
    & skf18("2","3","5","6","4","7","1") = "6"
    & skf18("2","3","5","6","4","8","1") = "7"
    & skf18("2","3","5","6","4","9","1") = "8"
    & skf18("2","3","5","6","4","10","1") = "9"
    & skf18("2","3","5","6","5","1","1") = "5"
    & skf18("2","3","5","6","5","2","1") = "5"
    & skf18("2","3","5","6","5","3","1") = "5"
    & skf18("2","3","5","6","5","4","1") = "5"
    & skf18("2","3","5","6","5","5","1") = "5"
    & skf18("2","3","5","6","5","6","1") = "5"
    & skf18("2","3","5","6","5","7","1") = "6"
    & skf18("2","3","5","6","5","8","1") = "7"
    & skf18("2","3","5","6","5","9","1") = "8"
    & skf18("2","3","5","6","5","10","1") = "9"
    & skf18("2","3","5","6","6","1","1") = "5"
    & skf18("2","3","5","6","6","2","1") = "5"
    & skf18("2","3","5","6","6","3","1") = "5"
    & skf18("2","3","5","6","6","4","1") = "5"
    & skf18("2","3","5","6","6","5","1") = "5"
    & skf18("2","3","5","6","6","6","1") = "5"
    & skf18("2","3","5","6","6","7","1") = "6"
    & skf18("2","3","5","6","6","8","1") = "7"
    & skf18("2","3","5","6","6","9","1") = "8"
    & skf18("2","3","5","6","6","10","1") = "9"
    & skf18("2","3","5","6","7","1","1") = "6"
    & skf18("2","3","5","6","7","2","1") = "6"
    & skf18("2","3","5","6","7","3","1") = "6"
    & skf18("2","3","5","6","7","4","1") = "6"
    & skf18("2","3","5","6","7","5","1") = "6"
    & skf18("2","3","5","6","7","6","1") = "6"
    & skf18("2","3","5","6","7","7","1") = "6"
    & skf18("2","3","5","6","7","8","1") = "7"
    & skf18("2","3","5","6","7","9","1") = "8"
    & skf18("2","3","5","6","7","10","1") = "9"
    & skf18("2","3","5","6","8","1","1") = "7"
    & skf18("2","3","5","6","8","2","1") = "7"
    & skf18("2","3","5","6","8","3","1") = "7"
    & skf18("2","3","5","6","8","4","1") = "7"
    & skf18("2","3","5","6","8","5","1") = "7"
    & skf18("2","3","5","6","8","6","1") = "7"
    & skf18("2","3","5","6","8","7","1") = "7"
    & skf18("2","3","5","6","8","8","1") = "7"
    & skf18("2","3","5","6","8","9","1") = "8"
    & skf18("2","3","5","6","8","10","1") = "9"
    & skf18("2","3","5","6","9","1","1") = "8"
    & skf18("2","3","5","6","9","2","1") = "8"
    & skf18("2","3","5","6","9","3","1") = "8"
    & skf18("2","3","5","6","9","4","1") = "8"
    & skf18("2","3","5","6","9","5","1") = "8"
    & skf18("2","3","5","6","9","6","1") = "8"
    & skf18("2","3","5","6","9","7","1") = "8"
    & skf18("2","3","5","6","9","8","1") = "8"
    & skf18("2","3","5","6","9","9","1") = "8"
    & skf18("2","3","5","6","9","10","1") = "9"
    & skf18("2","3","5","6","10","1","1") = "9"
    & skf18("2","3","5","6","10","2","1") = "9"
    & skf18("2","3","5","6","10","3","1") = "9"
    & skf18("2","3","5","6","10","4","1") = "9"
    & skf18("2","3","5","6","10","5","1") = "9"
    & skf18("2","3","5","6","10","6","1") = "9"
    & skf18("2","3","5","6","10","7","1") = "9"
    & skf18("2","3","5","6","10","8","1") = "9"
    & skf18("2","3","5","6","10","9","1") = "9"
    & skf18("2","3","5","6","10","10","1") = "9"
    & skf18("2","3","5","7","1","1","1") = "6"
    & skf18("2","3","5","7","1","2","1") = "6"
    & skf18("2","3","5","7","1","3","1") = "6"
    & skf18("2","3","5","7","1","4","1") = "6"
    & skf18("2","3","5","7","1","5","1") = "6"
    & skf18("2","3","5","7","1","6","1") = "6"
    & skf18("2","3","5","7","1","7","1") = "6"
    & skf18("2","3","5","7","1","8","1") = "7"
    & skf18("2","3","5","7","1","9","1") = "8"
    & skf18("2","3","5","7","1","10","1") = "9"
    & skf18("2","3","5","7","2","1","1") = "6"
    & skf18("2","3","5","7","2","2","1") = "6"
    & skf18("2","3","5","7","2","3","1") = "6"
    & skf18("2","3","5","7","2","4","1") = "6"
    & skf18("2","3","5","7","2","5","1") = "6"
    & skf18("2","3","5","7","2","6","1") = "6"
    & skf18("2","3","5","7","2","7","1") = "6"
    & skf18("2","3","5","7","2","8","1") = "7"
    & skf18("2","3","5","7","2","9","1") = "8"
    & skf18("2","3","5","7","2","10","1") = "9"
    & skf18("2","3","5","7","3","1","1") = "6"
    & skf18("2","3","5","7","3","2","1") = "6"
    & skf18("2","3","5","7","3","3","1") = "6"
    & skf18("2","3","5","7","3","4","1") = "6"
    & skf18("2","3","5","7","3","5","1") = "6"
    & skf18("2","3","5","7","3","6","1") = "6"
    & skf18("2","3","5","7","3","7","1") = "6"
    & skf18("2","3","5","7","3","8","1") = "7"
    & skf18("2","3","5","7","3","9","1") = "8"
    & skf18("2","3","5","7","3","10","1") = "9"
    & skf18("2","3","5","7","4","1","1") = "6"
    & skf18("2","3","5","7","4","2","1") = "6"
    & skf18("2","3","5","7","4","3","1") = "6"
    & skf18("2","3","5","7","4","4","1") = "6"
    & skf18("2","3","5","7","4","5","1") = "6"
    & skf18("2","3","5","7","4","6","1") = "6"
    & skf18("2","3","5","7","4","7","1") = "6"
    & skf18("2","3","5","7","4","8","1") = "7"
    & skf18("2","3","5","7","4","9","1") = "8"
    & skf18("2","3","5","7","4","10","1") = "9"
    & skf18("2","3","5","7","5","1","1") = "6"
    & skf18("2","3","5","7","5","2","1") = "6"
    & skf18("2","3","5","7","5","3","1") = "6"
    & skf18("2","3","5","7","5","4","1") = "6"
    & skf18("2","3","5","7","5","5","1") = "6"
    & skf18("2","3","5","7","5","6","1") = "6"
    & skf18("2","3","5","7","5","7","1") = "6"
    & skf18("2","3","5","7","5","8","1") = "7"
    & skf18("2","3","5","7","5","9","1") = "8"
    & skf18("2","3","5","7","5","10","1") = "9"
    & skf18("2","3","5","7","6","1","1") = "6"
    & skf18("2","3","5","7","6","2","1") = "6"
    & skf18("2","3","5","7","6","3","1") = "6"
    & skf18("2","3","5","7","6","4","1") = "6"
    & skf18("2","3","5","7","6","5","1") = "6"
    & skf18("2","3","5","7","6","6","1") = "6"
    & skf18("2","3","5","7","6","7","1") = "6"
    & skf18("2","3","5","7","6","8","1") = "7"
    & skf18("2","3","5","7","6","9","1") = "8"
    & skf18("2","3","5","7","6","10","1") = "9"
    & skf18("2","3","5","7","7","1","1") = "6"
    & skf18("2","3","5","7","7","2","1") = "6"
    & skf18("2","3","5","7","7","3","1") = "6"
    & skf18("2","3","5","7","7","4","1") = "6"
    & skf18("2","3","5","7","7","5","1") = "6"
    & skf18("2","3","5","7","7","6","1") = "6"
    & skf18("2","3","5","7","7","7","1") = "6"
    & skf18("2","3","5","7","7","8","1") = "7"
    & skf18("2","3","5","7","7","9","1") = "8"
    & skf18("2","3","5","7","7","10","1") = "9"
    & skf18("2","3","5","7","8","1","1") = "7"
    & skf18("2","3","5","7","8","2","1") = "7"
    & skf18("2","3","5","7","8","3","1") = "7"
    & skf18("2","3","5","7","8","4","1") = "7"
    & skf18("2","3","5","7","8","5","1") = "7"
    & skf18("2","3","5","7","8","6","1") = "7"
    & skf18("2","3","5","7","8","7","1") = "7"
    & skf18("2","3","5","7","8","8","1") = "7"
    & skf18("2","3","5","7","8","9","1") = "8"
    & skf18("2","3","5","7","8","10","1") = "9"
    & skf18("2","3","5","7","9","1","1") = "8"
    & skf18("2","3","5","7","9","2","1") = "8"
    & skf18("2","3","5","7","9","3","1") = "8"
    & skf18("2","3","5","7","9","4","1") = "8"
    & skf18("2","3","5","7","9","5","1") = "8"
    & skf18("2","3","5","7","9","6","1") = "8"
    & skf18("2","3","5","7","9","7","1") = "8"
    & skf18("2","3","5","7","9","8","1") = "8"
    & skf18("2","3","5","7","9","9","1") = "8"
    & skf18("2","3","5","7","9","10","1") = "9"
    & skf18("2","3","5","7","10","1","1") = "9"
    & skf18("2","3","5","7","10","2","1") = "9"
    & skf18("2","3","5","7","10","3","1") = "9"
    & skf18("2","3","5","7","10","4","1") = "9"
    & skf18("2","3","5","7","10","5","1") = "9"
    & skf18("2","3","5","7","10","6","1") = "9"
    & skf18("2","3","5","7","10","7","1") = "9"
    & skf18("2","3","5","7","10","8","1") = "9"
    & skf18("2","3","5","7","10","9","1") = "9"
    & skf18("2","3","5","7","10","10","1") = "9"
    & skf18("2","3","5","8","1","1","1") = "7"
    & skf18("2","3","5","8","1","2","1") = "7"
    & skf18("2","3","5","8","1","3","1") = "7"
    & skf18("2","3","5","8","1","4","1") = "7"
    & skf18("2","3","5","8","1","5","1") = "7"
    & skf18("2","3","5","8","1","6","1") = "7"
    & skf18("2","3","5","8","1","7","1") = "7"
    & skf18("2","3","5","8","1","8","1") = "7"
    & skf18("2","3","5","8","1","9","1") = "8"
    & skf18("2","3","5","8","1","10","1") = "9"
    & skf18("2","3","5","8","2","1","1") = "7"
    & skf18("2","3","5","8","2","2","1") = "7"
    & skf18("2","3","5","8","2","3","1") = "7"
    & skf18("2","3","5","8","2","4","1") = "7"
    & skf18("2","3","5","8","2","5","1") = "7"
    & skf18("2","3","5","8","2","6","1") = "7"
    & skf18("2","3","5","8","2","7","1") = "7"
    & skf18("2","3","5","8","2","8","1") = "7"
    & skf18("2","3","5","8","2","9","1") = "8"
    & skf18("2","3","5","8","2","10","1") = "9"
    & skf18("2","3","5","8","3","1","1") = "7"
    & skf18("2","3","5","8","3","2","1") = "7"
    & skf18("2","3","5","8","3","3","1") = "7"
    & skf18("2","3","5","8","3","4","1") = "7"
    & skf18("2","3","5","8","3","5","1") = "7"
    & skf18("2","3","5","8","3","6","1") = "7"
    & skf18("2","3","5","8","3","7","1") = "7"
    & skf18("2","3","5","8","3","8","1") = "7"
    & skf18("2","3","5","8","3","9","1") = "8"
    & skf18("2","3","5","8","3","10","1") = "9"
    & skf18("2","3","5","8","4","1","1") = "7"
    & skf18("2","3","5","8","4","2","1") = "7"
    & skf18("2","3","5","8","4","3","1") = "7"
    & skf18("2","3","5","8","4","4","1") = "7"
    & skf18("2","3","5","8","4","5","1") = "7"
    & skf18("2","3","5","8","4","6","1") = "7"
    & skf18("2","3","5","8","4","7","1") = "7"
    & skf18("2","3","5","8","4","8","1") = "7"
    & skf18("2","3","5","8","4","9","1") = "8"
    & skf18("2","3","5","8","4","10","1") = "9"
    & skf18("2","3","5","8","5","1","1") = "7"
    & skf18("2","3","5","8","5","2","1") = "7"
    & skf18("2","3","5","8","5","3","1") = "7"
    & skf18("2","3","5","8","5","4","1") = "7"
    & skf18("2","3","5","8","5","5","1") = "7"
    & skf18("2","3","5","8","5","6","1") = "7"
    & skf18("2","3","5","8","5","7","1") = "7"
    & skf18("2","3","5","8","5","8","1") = "7"
    & skf18("2","3","5","8","5","9","1") = "8"
    & skf18("2","3","5","8","5","10","1") = "9"
    & skf18("2","3","5","8","6","1","1") = "7"
    & skf18("2","3","5","8","6","2","1") = "7"
    & skf18("2","3","5","8","6","3","1") = "7"
    & skf18("2","3","5","8","6","4","1") = "7"
    & skf18("2","3","5","8","6","5","1") = "7"
    & skf18("2","3","5","8","6","6","1") = "7"
    & skf18("2","3","5","8","6","7","1") = "7"
    & skf18("2","3","5","8","6","8","1") = "7"
    & skf18("2","3","5","8","6","9","1") = "8"
    & skf18("2","3","5","8","6","10","1") = "9"
    & skf18("2","3","5","8","7","1","1") = "7"
    & skf18("2","3","5","8","7","2","1") = "7"
    & skf18("2","3","5","8","7","3","1") = "7"
    & skf18("2","3","5","8","7","4","1") = "7"
    & skf18("2","3","5","8","7","5","1") = "7"
    & skf18("2","3","5","8","7","6","1") = "7"
    & skf18("2","3","5","8","7","7","1") = "7"
    & skf18("2","3","5","8","7","8","1") = "7"
    & skf18("2","3","5","8","7","9","1") = "8"
    & skf18("2","3","5","8","7","10","1") = "9"
    & skf18("2","3","5","8","8","1","1") = "7"
    & skf18("2","3","5","8","8","2","1") = "7"
    & skf18("2","3","5","8","8","3","1") = "7"
    & skf18("2","3","5","8","8","4","1") = "7"
    & skf18("2","3","5","8","8","5","1") = "7"
    & skf18("2","3","5","8","8","6","1") = "7"
    & skf18("2","3","5","8","8","7","1") = "7"
    & skf18("2","3","5","8","8","8","1") = "7"
    & skf18("2","3","5","8","8","9","1") = "8"
    & skf18("2","3","5","8","8","10","1") = "9"
    & skf18("2","3","5","8","9","1","1") = "8"
    & skf18("2","3","5","8","9","2","1") = "8"
    & skf18("2","3","5","8","9","3","1") = "8"
    & skf18("2","3","5","8","9","4","1") = "8"
    & skf18("2","3","5","8","9","5","1") = "8"
    & skf18("2","3","5","8","9","6","1") = "8"
    & skf18("2","3","5","8","9","7","1") = "8"
    & skf18("2","3","5","8","9","8","1") = "8"
    & skf18("2","3","5","8","9","9","1") = "8"
    & skf18("2","3","5","8","9","10","1") = "9"
    & skf18("2","3","5","8","10","1","1") = "9"
    & skf18("2","3","5","8","10","2","1") = "9"
    & skf18("2","3","5","8","10","3","1") = "9"
    & skf18("2","3","5","8","10","4","1") = "9"
    & skf18("2","3","5","8","10","5","1") = "9"
    & skf18("2","3","5","8","10","6","1") = "9"
    & skf18("2","3","5","8","10","7","1") = "9"
    & skf18("2","3","5","8","10","8","1") = "9"
    & skf18("2","3","5","8","10","9","1") = "9"
    & skf18("2","3","5","8","10","10","1") = "9"
    & skf18("2","3","5","9","1","1","1") = "8"
    & skf18("2","3","5","9","1","2","1") = "8"
    & skf18("2","3","5","9","1","3","1") = "8"
    & skf18("2","3","5","9","1","4","1") = "8"
    & skf18("2","3","5","9","1","5","1") = "8"
    & skf18("2","3","5","9","1","6","1") = "8"
    & skf18("2","3","5","9","1","7","1") = "8"
    & skf18("2","3","5","9","1","8","1") = "8"
    & skf18("2","3","5","9","1","9","1") = "8"
    & skf18("2","3","5","9","1","10","1") = "9"
    & skf18("2","3","5","9","2","1","1") = "8"
    & skf18("2","3","5","9","2","2","1") = "8"
    & skf18("2","3","5","9","2","3","1") = "8"
    & skf18("2","3","5","9","2","4","1") = "8"
    & skf18("2","3","5","9","2","5","1") = "8"
    & skf18("2","3","5","9","2","6","1") = "8"
    & skf18("2","3","5","9","2","7","1") = "8"
    & skf18("2","3","5","9","2","8","1") = "8"
    & skf18("2","3","5","9","2","9","1") = "8"
    & skf18("2","3","5","9","2","10","1") = "9"
    & skf18("2","3","5","9","3","1","1") = "8"
    & skf18("2","3","5","9","3","2","1") = "8"
    & skf18("2","3","5","9","3","3","1") = "8"
    & skf18("2","3","5","9","3","4","1") = "8"
    & skf18("2","3","5","9","3","5","1") = "8"
    & skf18("2","3","5","9","3","6","1") = "8"
    & skf18("2","3","5","9","3","7","1") = "8"
    & skf18("2","3","5","9","3","8","1") = "8"
    & skf18("2","3","5","9","3","9","1") = "8"
    & skf18("2","3","5","9","3","10","1") = "9"
    & skf18("2","3","5","9","4","1","1") = "8"
    & skf18("2","3","5","9","4","2","1") = "8"
    & skf18("2","3","5","9","4","3","1") = "8"
    & skf18("2","3","5","9","4","4","1") = "8"
    & skf18("2","3","5","9","4","5","1") = "8"
    & skf18("2","3","5","9","4","6","1") = "8"
    & skf18("2","3","5","9","4","7","1") = "8"
    & skf18("2","3","5","9","4","8","1") = "8"
    & skf18("2","3","5","9","4","9","1") = "8"
    & skf18("2","3","5","9","4","10","1") = "9"
    & skf18("2","3","5","9","5","1","1") = "8"
    & skf18("2","3","5","9","5","2","1") = "8"
    & skf18("2","3","5","9","5","3","1") = "8"
    & skf18("2","3","5","9","5","4","1") = "8"
    & skf18("2","3","5","9","5","5","1") = "8"
    & skf18("2","3","5","9","5","6","1") = "8"
    & skf18("2","3","5","9","5","7","1") = "8"
    & skf18("2","3","5","9","5","8","1") = "8"
    & skf18("2","3","5","9","5","9","1") = "8"
    & skf18("2","3","5","9","5","10","1") = "9"
    & skf18("2","3","5","9","6","1","1") = "8"
    & skf18("2","3","5","9","6","2","1") = "8"
    & skf18("2","3","5","9","6","3","1") = "8"
    & skf18("2","3","5","9","6","4","1") = "8"
    & skf18("2","3","5","9","6","5","1") = "8"
    & skf18("2","3","5","9","6","6","1") = "8"
    & skf18("2","3","5","9","6","7","1") = "8"
    & skf18("2","3","5","9","6","8","1") = "8"
    & skf18("2","3","5","9","6","9","1") = "8"
    & skf18("2","3","5","9","6","10","1") = "9"
    & skf18("2","3","5","9","7","1","1") = "8"
    & skf18("2","3","5","9","7","2","1") = "8"
    & skf18("2","3","5","9","7","3","1") = "8"
    & skf18("2","3","5","9","7","4","1") = "8"
    & skf18("2","3","5","9","7","5","1") = "8"
    & skf18("2","3","5","9","7","6","1") = "8"
    & skf18("2","3","5","9","7","7","1") = "8"
    & skf18("2","3","5","9","7","8","1") = "8"
    & skf18("2","3","5","9","7","9","1") = "8"
    & skf18("2","3","5","9","7","10","1") = "9"
    & skf18("2","3","5","9","8","1","1") = "8"
    & skf18("2","3","5","9","8","2","1") = "8"
    & skf18("2","3","5","9","8","3","1") = "8"
    & skf18("2","3","5","9","8","4","1") = "8"
    & skf18("2","3","5","9","8","5","1") = "8"
    & skf18("2","3","5","9","8","6","1") = "8"
    & skf18("2","3","5","9","8","7","1") = "8"
    & skf18("2","3","5","9","8","8","1") = "8"
    & skf18("2","3","5","9","8","9","1") = "8"
    & skf18("2","3","5","9","8","10","1") = "9"
    & skf18("2","3","5","9","9","1","1") = "8"
    & skf18("2","3","5","9","9","2","1") = "8"
    & skf18("2","3","5","9","9","3","1") = "8"
    & skf18("2","3","5","9","9","4","1") = "8"
    & skf18("2","3","5","9","9","5","1") = "8"
    & skf18("2","3","5","9","9","6","1") = "8"
    & skf18("2","3","5","9","9","7","1") = "8"
    & skf18("2","3","5","9","9","8","1") = "8"
    & skf18("2","3","5","9","9","9","1") = "8"
    & skf18("2","3","5","9","9","10","1") = "9"
    & skf18("2","3","5","9","10","1","1") = "9"
    & skf18("2","3","5","9","10","2","1") = "9"
    & skf18("2","3","5","9","10","3","1") = "9"
    & skf18("2","3","5","9","10","4","1") = "9"
    & skf18("2","3","5","9","10","5","1") = "9"
    & skf18("2","3","5","9","10","6","1") = "9"
    & skf18("2","3","5","9","10","7","1") = "9"
    & skf18("2","3","5","9","10","8","1") = "9"
    & skf18("2","3","5","9","10","9","1") = "9"
    & skf18("2","3","5","9","10","10","1") = "9"
    & skf18("2","3","5","10","1","1","1") = "9"
    & skf18("2","3","5","10","1","2","1") = "9"
    & skf18("2","3","5","10","1","3","1") = "9"
    & skf18("2","3","5","10","1","4","1") = "9"
    & skf18("2","3","5","10","1","5","1") = "9"
    & skf18("2","3","5","10","1","6","1") = "9"
    & skf18("2","3","5","10","1","7","1") = "9"
    & skf18("2","3","5","10","1","8","1") = "9"
    & skf18("2","3","5","10","1","9","1") = "9"
    & skf18("2","3","5","10","1","10","1") = "9"
    & skf18("2","3","5","10","2","1","1") = "9"
    & skf18("2","3","5","10","2","2","1") = "9"
    & skf18("2","3","5","10","2","3","1") = "9"
    & skf18("2","3","5","10","2","4","1") = "9"
    & skf18("2","3","5","10","2","5","1") = "9"
    & skf18("2","3","5","10","2","6","1") = "9"
    & skf18("2","3","5","10","2","7","1") = "9"
    & skf18("2","3","5","10","2","8","1") = "9"
    & skf18("2","3","5","10","2","9","1") = "9"
    & skf18("2","3","5","10","2","10","1") = "9"
    & skf18("2","3","5","10","3","1","1") = "9"
    & skf18("2","3","5","10","3","2","1") = "9"
    & skf18("2","3","5","10","3","3","1") = "9"
    & skf18("2","3","5","10","3","4","1") = "9"
    & skf18("2","3","5","10","3","5","1") = "9"
    & skf18("2","3","5","10","3","6","1") = "9"
    & skf18("2","3","5","10","3","7","1") = "9"
    & skf18("2","3","5","10","3","8","1") = "9"
    & skf18("2","3","5","10","3","9","1") = "9"
    & skf18("2","3","5","10","3","10","1") = "9"
    & skf18("2","3","5","10","4","1","1") = "9"
    & skf18("2","3","5","10","4","2","1") = "9"
    & skf18("2","3","5","10","4","3","1") = "9"
    & skf18("2","3","5","10","4","4","1") = "9"
    & skf18("2","3","5","10","4","5","1") = "9"
    & skf18("2","3","5","10","4","6","1") = "9"
    & skf18("2","3","5","10","4","7","1") = "9"
    & skf18("2","3","5","10","4","8","1") = "9"
    & skf18("2","3","5","10","4","9","1") = "9"
    & skf18("2","3","5","10","4","10","1") = "9"
    & skf18("2","3","5","10","5","1","1") = "9"
    & skf18("2","3","5","10","5","2","1") = "9"
    & skf18("2","3","5","10","5","3","1") = "9"
    & skf18("2","3","5","10","5","4","1") = "9"
    & skf18("2","3","5","10","5","5","1") = "9"
    & skf18("2","3","5","10","5","6","1") = "9"
    & skf18("2","3","5","10","5","7","1") = "9"
    & skf18("2","3","5","10","5","8","1") = "9"
    & skf18("2","3","5","10","5","9","1") = "9"
    & skf18("2","3","5","10","5","10","1") = "9"
    & skf18("2","3","5","10","6","1","1") = "9"
    & skf18("2","3","5","10","6","2","1") = "9"
    & skf18("2","3","5","10","6","3","1") = "9"
    & skf18("2","3","5","10","6","4","1") = "9"
    & skf18("2","3","5","10","6","5","1") = "9"
    & skf18("2","3","5","10","6","6","1") = "9"
    & skf18("2","3","5","10","6","7","1") = "9"
    & skf18("2","3","5","10","6","8","1") = "9"
    & skf18("2","3","5","10","6","9","1") = "9"
    & skf18("2","3","5","10","6","10","1") = "9"
    & skf18("2","3","5","10","7","1","1") = "9"
    & skf18("2","3","5","10","7","2","1") = "9"
    & skf18("2","3","5","10","7","3","1") = "9"
    & skf18("2","3","5","10","7","4","1") = "9"
    & skf18("2","3","5","10","7","5","1") = "9"
    & skf18("2","3","5","10","7","6","1") = "9"
    & skf18("2","3","5","10","7","7","1") = "9"
    & skf18("2","3","5","10","7","8","1") = "9"
    & skf18("2","3","5","10","7","9","1") = "9"
    & skf18("2","3","5","10","7","10","1") = "9"
    & skf18("2","3","5","10","8","1","1") = "9"
    & skf18("2","3","5","10","8","2","1") = "9"
    & skf18("2","3","5","10","8","3","1") = "9"
    & skf18("2","3","5","10","8","4","1") = "9"
    & skf18("2","3","5","10","8","5","1") = "9"
    & skf18("2","3","5","10","8","6","1") = "9"
    & skf18("2","3","5","10","8","7","1") = "9"
    & skf18("2","3","5","10","8","8","1") = "9"
    & skf18("2","3","5","10","8","9","1") = "9"
    & skf18("2","3","5","10","8","10","1") = "9"
    & skf18("2","3","5","10","9","1","1") = "9"
    & skf18("2","3","5","10","9","2","1") = "9"
    & skf18("2","3","5","10","9","3","1") = "9"
    & skf18("2","3","5","10","9","4","1") = "9"
    & skf18("2","3","5","10","9","5","1") = "9"
    & skf18("2","3","5","10","9","6","1") = "9"
    & skf18("2","3","5","10","9","7","1") = "9"
    & skf18("2","3","5","10","9","8","1") = "9"
    & skf18("2","3","5","10","9","9","1") = "9"
    & skf18("2","3","5","10","9","10","1") = "9"
    & skf18("2","3","5","10","10","1","1") = "9"
    & skf18("2","3","5","10","10","2","1") = "9"
    & skf18("2","3","5","10","10","3","1") = "9"
    & skf18("2","3","5","10","10","4","1") = "9"
    & skf18("2","3","5","10","10","5","1") = "9"
    & skf18("2","3","5","10","10","6","1") = "9"
    & skf18("2","3","5","10","10","7","1") = "9"
    & skf18("2","3","5","10","10","8","1") = "9"
    & skf18("2","3","5","10","10","9","1") = "9"
    & skf18("2","3","5","10","10","10","1") = "9"
    & skf18("2","3","6","1","1","1","1") = "5"
    & skf18("2","3","6","1","1","2","1") = "5"
    & skf18("2","3","6","1","1","3","1") = "5"
    & skf18("2","3","6","1","1","4","1") = "5"
    & skf18("2","3","6","1","1","5","1") = "5"
    & skf18("2","3","6","1","1","6","1") = "5"
    & skf18("2","3","6","1","1","7","1") = "6"
    & skf18("2","3","6","1","1","8","1") = "7"
    & skf18("2","3","6","1","1","9","1") = "8"
    & skf18("2","3","6","1","1","10","1") = "9"
    & skf18("2","3","6","1","2","1","1") = "5"
    & skf18("2","3","6","1","2","2","1") = "5"
    & skf18("2","3","6","1","2","3","1") = "5"
    & skf18("2","3","6","1","2","4","1") = "5"
    & skf18("2","3","6","1","2","5","1") = "5"
    & skf18("2","3","6","1","2","6","1") = "5"
    & skf18("2","3","6","1","2","7","1") = "6"
    & skf18("2","3","6","1","2","8","1") = "7"
    & skf18("2","3","6","1","2","9","1") = "8"
    & skf18("2","3","6","1","2","10","1") = "9"
    & skf18("2","3","6","1","3","1","1") = "5"
    & skf18("2","3","6","1","3","2","1") = "5"
    & skf18("2","3","6","1","3","3","1") = "5"
    & skf18("2","3","6","1","3","4","1") = "5"
    & skf18("2","3","6","1","3","5","1") = "5"
    & skf18("2","3","6","1","3","6","1") = "5"
    & skf18("2","3","6","1","3","7","1") = "6"
    & skf18("2","3","6","1","3","8","1") = "7"
    & skf18("2","3","6","1","3","9","1") = "8"
    & skf18("2","3","6","1","3","10","1") = "9"
    & skf18("2","3","6","1","4","1","1") = "5"
    & skf18("2","3","6","1","4","2","1") = "5"
    & skf18("2","3","6","1","4","3","1") = "5"
    & skf18("2","3","6","1","4","4","1") = "5"
    & skf18("2","3","6","1","4","5","1") = "5"
    & skf18("2","3","6","1","4","6","1") = "5"
    & skf18("2","3","6","1","4","7","1") = "6"
    & skf18("2","3","6","1","4","8","1") = "7"
    & skf18("2","3","6","1","4","9","1") = "8"
    & skf18("2","3","6","1","4","10","1") = "9"
    & skf18("2","3","6","1","5","1","1") = "5"
    & skf18("2","3","6","1","5","2","1") = "5"
    & skf18("2","3","6","1","5","3","1") = "5"
    & skf18("2","3","6","1","5","4","1") = "5"
    & skf18("2","3","6","1","5","5","1") = "5"
    & skf18("2","3","6","1","5","6","1") = "5"
    & skf18("2","3","6","1","5","7","1") = "6"
    & skf18("2","3","6","1","5","8","1") = "7"
    & skf18("2","3","6","1","5","9","1") = "8"
    & skf18("2","3","6","1","5","10","1") = "9"
    & skf18("2","3","6","1","6","1","1") = "5"
    & skf18("2","3","6","1","6","2","1") = "5"
    & skf18("2","3","6","1","6","3","1") = "5"
    & skf18("2","3","6","1","6","4","1") = "5"
    & skf18("2","3","6","1","6","5","1") = "5"
    & skf18("2","3","6","1","6","6","1") = "5"
    & skf18("2","3","6","1","6","7","1") = "6"
    & skf18("2","3","6","1","6","8","1") = "7"
    & skf18("2","3","6","1","6","9","1") = "8"
    & skf18("2","3","6","1","6","10","1") = "9"
    & skf18("2","3","6","1","7","1","1") = "6"
    & skf18("2","3","6","1","7","2","1") = "6"
    & skf18("2","3","6","1","7","3","1") = "6"
    & skf18("2","3","6","1","7","4","1") = "6"
    & skf18("2","3","6","1","7","5","1") = "6"
    & skf18("2","3","6","1","7","6","1") = "6"
    & skf18("2","3","6","1","7","7","1") = "6"
    & skf18("2","3","6","1","7","8","1") = "7"
    & skf18("2","3","6","1","7","9","1") = "8"
    & skf18("2","3","6","1","7","10","1") = "9"
    & skf18("2","3","6","1","8","1","1") = "7"
    & skf18("2","3","6","1","8","2","1") = "7"
    & skf18("2","3","6","1","8","3","1") = "7"
    & skf18("2","3","6","1","8","4","1") = "7"
    & skf18("2","3","6","1","8","5","1") = "7"
    & skf18("2","3","6","1","8","6","1") = "7"
    & skf18("2","3","6","1","8","7","1") = "7"
    & skf18("2","3","6","1","8","8","1") = "7"
    & skf18("2","3","6","1","8","9","1") = "8"
    & skf18("2","3","6","1","8","10","1") = "9"
    & skf18("2","3","6","1","9","1","1") = "8"
    & skf18("2","3","6","1","9","2","1") = "8"
    & skf18("2","3","6","1","9","3","1") = "8"
    & skf18("2","3","6","1","9","4","1") = "8"
    & skf18("2","3","6","1","9","5","1") = "8"
    & skf18("2","3","6","1","9","6","1") = "8"
    & skf18("2","3","6","1","9","7","1") = "8"
    & skf18("2","3","6","1","9","8","1") = "8"
    & skf18("2","3","6","1","9","9","1") = "8"
    & skf18("2","3","6","1","9","10","1") = "9"
    & skf18("2","3","6","1","10","1","1") = "9"
    & skf18("2","3","6","1","10","2","1") = "9"
    & skf18("2","3","6","1","10","3","1") = "9"
    & skf18("2","3","6","1","10","4","1") = "9"
    & skf18("2","3","6","1","10","5","1") = "9"
    & skf18("2","3","6","1","10","6","1") = "9"
    & skf18("2","3","6","1","10","7","1") = "9"
    & skf18("2","3","6","1","10","8","1") = "9"
    & skf18("2","3","6","1","10","9","1") = "9"
    & skf18("2","3","6","1","10","10","1") = "9"
    & skf18("2","3","6","2","1","1","1") = "5"
    & skf18("2","3","6","2","1","2","1") = "5"
    & skf18("2","3","6","2","1","3","1") = "5"
    & skf18("2","3","6","2","1","4","1") = "5"
    & skf18("2","3","6","2","1","5","1") = "5"
    & skf18("2","3","6","2","1","6","1") = "5"
    & skf18("2","3","6","2","1","7","1") = "6"
    & skf18("2","3","6","2","1","8","1") = "7"
    & skf18("2","3","6","2","1","9","1") = "8"
    & skf18("2","3","6","2","1","10","1") = "9"
    & skf18("2","3","6","2","2","1","1") = "5"
    & skf18("2","3","6","2","2","2","1") = "5"
    & skf18("2","3","6","2","2","3","1") = "5"
    & skf18("2","3","6","2","2","4","1") = "5"
    & skf18("2","3","6","2","2","5","1") = "5"
    & skf18("2","3","6","2","2","6","1") = "5"
    & skf18("2","3","6","2","2","7","1") = "6"
    & skf18("2","3","6","2","2","8","1") = "7"
    & skf18("2","3","6","2","2","9","1") = "8"
    & skf18("2","3","6","2","2","10","1") = "9"
    & skf18("2","3","6","2","3","1","1") = "5"
    & skf18("2","3","6","2","3","2","1") = "5"
    & skf18("2","3","6","2","3","3","1") = "5"
    & skf18("2","3","6","2","3","4","1") = "5"
    & skf18("2","3","6","2","3","5","1") = "5"
    & skf18("2","3","6","2","3","6","1") = "5"
    & skf18("2","3","6","2","3","7","1") = "6"
    & skf18("2","3","6","2","3","8","1") = "7"
    & skf18("2","3","6","2","3","9","1") = "8"
    & skf18("2","3","6","2","3","10","1") = "9"
    & skf18("2","3","6","2","4","1","1") = "5"
    & skf18("2","3","6","2","4","2","1") = "5"
    & skf18("2","3","6","2","4","3","1") = "5"
    & skf18("2","3","6","2","4","4","1") = "5"
    & skf18("2","3","6","2","4","5","1") = "5"
    & skf18("2","3","6","2","4","6","1") = "5"
    & skf18("2","3","6","2","4","7","1") = "6"
    & skf18("2","3","6","2","4","8","1") = "7"
    & skf18("2","3","6","2","4","9","1") = "8"
    & skf18("2","3","6","2","4","10","1") = "9"
    & skf18("2","3","6","2","5","1","1") = "5"
    & skf18("2","3","6","2","5","2","1") = "5"
    & skf18("2","3","6","2","5","3","1") = "5"
    & skf18("2","3","6","2","5","4","1") = "5"
    & skf18("2","3","6","2","5","5","1") = "5"
    & skf18("2","3","6","2","5","6","1") = "5"
    & skf18("2","3","6","2","5","7","1") = "6"
    & skf18("2","3","6","2","5","8","1") = "7"
    & skf18("2","3","6","2","5","9","1") = "8"
    & skf18("2","3","6","2","5","10","1") = "9"
    & skf18("2","3","6","2","6","1","1") = "5"
    & skf18("2","3","6","2","6","2","1") = "5"
    & skf18("2","3","6","2","6","3","1") = "5"
    & skf18("2","3","6","2","6","4","1") = "5"
    & skf18("2","3","6","2","6","5","1") = "5"
    & skf18("2","3","6","2","6","6","1") = "5"
    & skf18("2","3","6","2","6","7","1") = "6"
    & skf18("2","3","6","2","6","8","1") = "7"
    & skf18("2","3","6","2","6","9","1") = "8"
    & skf18("2","3","6","2","6","10","1") = "9"
    & skf18("2","3","6","2","7","1","1") = "6"
    & skf18("2","3","6","2","7","2","1") = "6"
    & skf18("2","3","6","2","7","3","1") = "6"
    & skf18("2","3","6","2","7","4","1") = "6"
    & skf18("2","3","6","2","7","5","1") = "6"
    & skf18("2","3","6","2","7","6","1") = "6"
    & skf18("2","3","6","2","7","7","1") = "6"
    & skf18("2","3","6","2","7","8","1") = "7"
    & skf18("2","3","6","2","7","9","1") = "8"
    & skf18("2","3","6","2","7","10","1") = "9"
    & skf18("2","3","6","2","8","1","1") = "7"
    & skf18("2","3","6","2","8","2","1") = "7"
    & skf18("2","3","6","2","8","3","1") = "7"
    & skf18("2","3","6","2","8","4","1") = "7"
    & skf18("2","3","6","2","8","5","1") = "7"
    & skf18("2","3","6","2","8","6","1") = "7"
    & skf18("2","3","6","2","8","7","1") = "7"
    & skf18("2","3","6","2","8","8","1") = "7"
    & skf18("2","3","6","2","8","9","1") = "8"
    & skf18("2","3","6","2","8","10","1") = "9"
    & skf18("2","3","6","2","9","1","1") = "8"
    & skf18("2","3","6","2","9","2","1") = "8"
    & skf18("2","3","6","2","9","3","1") = "8"
    & skf18("2","3","6","2","9","4","1") = "8"
    & skf18("2","3","6","2","9","5","1") = "8"
    & skf18("2","3","6","2","9","6","1") = "8"
    & skf18("2","3","6","2","9","7","1") = "8"
    & skf18("2","3","6","2","9","8","1") = "8"
    & skf18("2","3","6","2","9","9","1") = "8"
    & skf18("2","3","6","2","9","10","1") = "9"
    & skf18("2","3","6","2","10","1","1") = "9"
    & skf18("2","3","6","2","10","2","1") = "9"
    & skf18("2","3","6","2","10","3","1") = "9"
    & skf18("2","3","6","2","10","4","1") = "9"
    & skf18("2","3","6","2","10","5","1") = "9"
    & skf18("2","3","6","2","10","6","1") = "9"
    & skf18("2","3","6","2","10","7","1") = "9"
    & skf18("2","3","6","2","10","8","1") = "9"
    & skf18("2","3","6","2","10","9","1") = "9"
    & skf18("2","3","6","2","10","10","1") = "9"
    & skf18("2","3","6","3","1","1","1") = "5"
    & skf18("2","3","6","3","1","2","1") = "5"
    & skf18("2","3","6","3","1","3","1") = "5"
    & skf18("2","3","6","3","1","4","1") = "5"
    & skf18("2","3","6","3","1","5","1") = "5"
    & skf18("2","3","6","3","1","6","1") = "5"
    & skf18("2","3","6","3","1","7","1") = "6"
    & skf18("2","3","6","3","1","8","1") = "7"
    & skf18("2","3","6","3","1","9","1") = "8"
    & skf18("2","3","6","3","1","10","1") = "9"
    & skf18("2","3","6","3","2","1","1") = "5"
    & skf18("2","3","6","3","2","2","1") = "5"
    & skf18("2","3","6","3","2","3","1") = "5"
    & skf18("2","3","6","3","2","4","1") = "5"
    & skf18("2","3","6","3","2","5","1") = "5"
    & skf18("2","3","6","3","2","6","1") = "5"
    & skf18("2","3","6","3","2","7","1") = "6"
    & skf18("2","3","6","3","2","8","1") = "7"
    & skf18("2","3","6","3","2","9","1") = "8"
    & skf18("2","3","6","3","2","10","1") = "9"
    & skf18("2","3","6","3","3","1","1") = "5"
    & skf18("2","3","6","3","3","2","1") = "5"
    & skf18("2","3","6","3","3","3","1") = "5"
    & skf18("2","3","6","3","3","4","1") = "5"
    & skf18("2","3","6","3","3","5","1") = "5"
    & skf18("2","3","6","3","3","6","1") = "5"
    & skf18("2","3","6","3","3","7","1") = "6"
    & skf18("2","3","6","3","3","8","1") = "7"
    & skf18("2","3","6","3","3","9","1") = "8"
    & skf18("2","3","6","3","3","10","1") = "9"
    & skf18("2","3","6","3","4","1","1") = "5"
    & skf18("2","3","6","3","4","2","1") = "5"
    & skf18("2","3","6","3","4","3","1") = "5"
    & skf18("2","3","6","3","4","4","1") = "5"
    & skf18("2","3","6","3","4","5","1") = "5"
    & skf18("2","3","6","3","4","6","1") = "5"
    & skf18("2","3","6","3","4","7","1") = "6"
    & skf18("2","3","6","3","4","8","1") = "7"
    & skf18("2","3","6","3","4","9","1") = "8"
    & skf18("2","3","6","3","4","10","1") = "9"
    & skf18("2","3","6","3","5","1","1") = "5"
    & skf18("2","3","6","3","5","2","1") = "5"
    & skf18("2","3","6","3","5","3","1") = "5"
    & skf18("2","3","6","3","5","4","1") = "5"
    & skf18("2","3","6","3","5","5","1") = "5"
    & skf18("2","3","6","3","5","6","1") = "5"
    & skf18("2","3","6","3","5","7","1") = "6"
    & skf18("2","3","6","3","5","8","1") = "7"
    & skf18("2","3","6","3","5","9","1") = "8"
    & skf18("2","3","6","3","5","10","1") = "9"
    & skf18("2","3","6","3","6","1","1") = "5"
    & skf18("2","3","6","3","6","2","1") = "5"
    & skf18("2","3","6","3","6","3","1") = "5"
    & skf18("2","3","6","3","6","4","1") = "5"
    & skf18("2","3","6","3","6","5","1") = "5"
    & skf18("2","3","6","3","6","6","1") = "5"
    & skf18("2","3","6","3","6","7","1") = "6"
    & skf18("2","3","6","3","6","8","1") = "7"
    & skf18("2","3","6","3","6","9","1") = "8"
    & skf18("2","3","6","3","6","10","1") = "9"
    & skf18("2","3","6","3","7","1","1") = "6"
    & skf18("2","3","6","3","7","2","1") = "6"
    & skf18("2","3","6","3","7","3","1") = "6"
    & skf18("2","3","6","3","7","4","1") = "6"
    & skf18("2","3","6","3","7","5","1") = "6"
    & skf18("2","3","6","3","7","6","1") = "6"
    & skf18("2","3","6","3","7","7","1") = "6"
    & skf18("2","3","6","3","7","8","1") = "7"
    & skf18("2","3","6","3","7","9","1") = "8"
    & skf18("2","3","6","3","7","10","1") = "9"
    & skf18("2","3","6","3","8","1","1") = "7"
    & skf18("2","3","6","3","8","2","1") = "7"
    & skf18("2","3","6","3","8","3","1") = "7"
    & skf18("2","3","6","3","8","4","1") = "7"
    & skf18("2","3","6","3","8","5","1") = "7"
    & skf18("2","3","6","3","8","6","1") = "7"
    & skf18("2","3","6","3","8","7","1") = "7"
    & skf18("2","3","6","3","8","8","1") = "7"
    & skf18("2","3","6","3","8","9","1") = "8"
    & skf18("2","3","6","3","8","10","1") = "9"
    & skf18("2","3","6","3","9","1","1") = "8"
    & skf18("2","3","6","3","9","2","1") = "8"
    & skf18("2","3","6","3","9","3","1") = "8"
    & skf18("2","3","6","3","9","4","1") = "8"
    & skf18("2","3","6","3","9","5","1") = "8"
    & skf18("2","3","6","3","9","6","1") = "8"
    & skf18("2","3","6","3","9","7","1") = "8"
    & skf18("2","3","6","3","9","8","1") = "8"
    & skf18("2","3","6","3","9","9","1") = "8"
    & skf18("2","3","6","3","9","10","1") = "9"
    & skf18("2","3","6","3","10","1","1") = "9"
    & skf18("2","3","6","3","10","2","1") = "9"
    & skf18("2","3","6","3","10","3","1") = "9"
    & skf18("2","3","6","3","10","4","1") = "9"
    & skf18("2","3","6","3","10","5","1") = "9"
    & skf18("2","3","6","3","10","6","1") = "9"
    & skf18("2","3","6","3","10","7","1") = "9"
    & skf18("2","3","6","3","10","8","1") = "9"
    & skf18("2","3","6","3","10","9","1") = "9"
    & skf18("2","3","6","3","10","10","1") = "9"
    & skf18("2","3","6","4","1","1","1") = "5"
    & skf18("2","3","6","4","1","2","1") = "5"
    & skf18("2","3","6","4","1","3","1") = "5"
    & skf18("2","3","6","4","1","4","1") = "5"
    & skf18("2","3","6","4","1","5","1") = "5"
    & skf18("2","3","6","4","1","6","1") = "5"
    & skf18("2","3","6","4","1","7","1") = "6"
    & skf18("2","3","6","4","1","8","1") = "7"
    & skf18("2","3","6","4","1","9","1") = "8"
    & skf18("2","3","6","4","1","10","1") = "9"
    & skf18("2","3","6","4","2","1","1") = "5"
    & skf18("2","3","6","4","2","2","1") = "5"
    & skf18("2","3","6","4","2","3","1") = "5"
    & skf18("2","3","6","4","2","4","1") = "5"
    & skf18("2","3","6","4","2","5","1") = "5"
    & skf18("2","3","6","4","2","6","1") = "5"
    & skf18("2","3","6","4","2","7","1") = "6"
    & skf18("2","3","6","4","2","8","1") = "7"
    & skf18("2","3","6","4","2","9","1") = "8"
    & skf18("2","3","6","4","2","10","1") = "9"
    & skf18("2","3","6","4","3","1","1") = "5"
    & skf18("2","3","6","4","3","2","1") = "5"
    & skf18("2","3","6","4","3","3","1") = "5"
    & skf18("2","3","6","4","3","4","1") = "5"
    & skf18("2","3","6","4","3","5","1") = "5"
    & skf18("2","3","6","4","3","6","1") = "5"
    & skf18("2","3","6","4","3","7","1") = "6"
    & skf18("2","3","6","4","3","8","1") = "7"
    & skf18("2","3","6","4","3","9","1") = "8"
    & skf18("2","3","6","4","3","10","1") = "9"
    & skf18("2","3","6","4","4","1","1") = "5"
    & skf18("2","3","6","4","4","2","1") = "5"
    & skf18("2","3","6","4","4","3","1") = "5"
    & skf18("2","3","6","4","4","4","1") = "5"
    & skf18("2","3","6","4","4","5","1") = "5"
    & skf18("2","3","6","4","4","6","1") = "5"
    & skf18("2","3","6","4","4","7","1") = "6"
    & skf18("2","3","6","4","4","8","1") = "7"
    & skf18("2","3","6","4","4","9","1") = "8"
    & skf18("2","3","6","4","4","10","1") = "9"
    & skf18("2","3","6","4","5","1","1") = "5"
    & skf18("2","3","6","4","5","2","1") = "5"
    & skf18("2","3","6","4","5","3","1") = "5"
    & skf18("2","3","6","4","5","4","1") = "5"
    & skf18("2","3","6","4","5","5","1") = "5"
    & skf18("2","3","6","4","5","6","1") = "5"
    & skf18("2","3","6","4","5","7","1") = "6"
    & skf18("2","3","6","4","5","8","1") = "7"
    & skf18("2","3","6","4","5","9","1") = "8"
    & skf18("2","3","6","4","5","10","1") = "9"
    & skf18("2","3","6","4","6","1","1") = "5"
    & skf18("2","3","6","4","6","2","1") = "5"
    & skf18("2","3","6","4","6","3","1") = "5"
    & skf18("2","3","6","4","6","4","1") = "5"
    & skf18("2","3","6","4","6","5","1") = "5"
    & skf18("2","3","6","4","6","6","1") = "5"
    & skf18("2","3","6","4","6","7","1") = "6"
    & skf18("2","3","6","4","6","8","1") = "7"
    & skf18("2","3","6","4","6","9","1") = "8"
    & skf18("2","3","6","4","6","10","1") = "9"
    & skf18("2","3","6","4","7","1","1") = "6"
    & skf18("2","3","6","4","7","2","1") = "6"
    & skf18("2","3","6","4","7","3","1") = "6"
    & skf18("2","3","6","4","7","4","1") = "6"
    & skf18("2","3","6","4","7","5","1") = "6"
    & skf18("2","3","6","4","7","6","1") = "6"
    & skf18("2","3","6","4","7","7","1") = "6"
    & skf18("2","3","6","4","7","8","1") = "7"
    & skf18("2","3","6","4","7","9","1") = "8"
    & skf18("2","3","6","4","7","10","1") = "9"
    & skf18("2","3","6","4","8","1","1") = "7"
    & skf18("2","3","6","4","8","2","1") = "7"
    & skf18("2","3","6","4","8","3","1") = "7"
    & skf18("2","3","6","4","8","4","1") = "7"
    & skf18("2","3","6","4","8","5","1") = "7"
    & skf18("2","3","6","4","8","6","1") = "7"
    & skf18("2","3","6","4","8","7","1") = "7"
    & skf18("2","3","6","4","8","8","1") = "7"
    & skf18("2","3","6","4","8","9","1") = "8"
    & skf18("2","3","6","4","8","10","1") = "9"
    & skf18("2","3","6","4","9","1","1") = "8"
    & skf18("2","3","6","4","9","2","1") = "8"
    & skf18("2","3","6","4","9","3","1") = "8"
    & skf18("2","3","6","4","9","4","1") = "8"
    & skf18("2","3","6","4","9","5","1") = "8"
    & skf18("2","3","6","4","9","6","1") = "8"
    & skf18("2","3","6","4","9","7","1") = "8"
    & skf18("2","3","6","4","9","8","1") = "8"
    & skf18("2","3","6","4","9","9","1") = "8"
    & skf18("2","3","6","4","9","10","1") = "9"
    & skf18("2","3","6","4","10","1","1") = "9"
    & skf18("2","3","6","4","10","2","1") = "9"
    & skf18("2","3","6","4","10","3","1") = "9"
    & skf18("2","3","6","4","10","4","1") = "9"
    & skf18("2","3","6","4","10","5","1") = "9"
    & skf18("2","3","6","4","10","6","1") = "9"
    & skf18("2","3","6","4","10","7","1") = "9"
    & skf18("2","3","6","4","10","8","1") = "9"
    & skf18("2","3","6","4","10","9","1") = "9"
    & skf18("2","3","6","4","10","10","1") = "9"
    & skf18("2","3","6","5","1","1","1") = "5"
    & skf18("2","3","6","5","1","2","1") = "5"
    & skf18("2","3","6","5","1","3","1") = "5"
    & skf18("2","3","6","5","1","4","1") = "5"
    & skf18("2","3","6","5","1","5","1") = "5"
    & skf18("2","3","6","5","1","6","1") = "5"
    & skf18("2","3","6","5","1","7","1") = "6"
    & skf18("2","3","6","5","1","8","1") = "7"
    & skf18("2","3","6","5","1","9","1") = "8"
    & skf18("2","3","6","5","1","10","1") = "9"
    & skf18("2","3","6","5","2","1","1") = "5"
    & skf18("2","3","6","5","2","2","1") = "5"
    & skf18("2","3","6","5","2","3","1") = "5"
    & skf18("2","3","6","5","2","4","1") = "5"
    & skf18("2","3","6","5","2","5","1") = "5"
    & skf18("2","3","6","5","2","6","1") = "5"
    & skf18("2","3","6","5","2","7","1") = "6"
    & skf18("2","3","6","5","2","8","1") = "7"
    & skf18("2","3","6","5","2","9","1") = "8"
    & skf18("2","3","6","5","2","10","1") = "9"
    & skf18("2","3","6","5","3","1","1") = "5"
    & skf18("2","3","6","5","3","2","1") = "5"
    & skf18("2","3","6","5","3","3","1") = "5"
    & skf18("2","3","6","5","3","4","1") = "5"
    & skf18("2","3","6","5","3","5","1") = "5"
    & skf18("2","3","6","5","3","6","1") = "5"
    & skf18("2","3","6","5","3","7","1") = "6"
    & skf18("2","3","6","5","3","8","1") = "7"
    & skf18("2","3","6","5","3","9","1") = "8"
    & skf18("2","3","6","5","3","10","1") = "9"
    & skf18("2","3","6","5","4","1","1") = "5"
    & skf18("2","3","6","5","4","2","1") = "5"
    & skf18("2","3","6","5","4","3","1") = "5"
    & skf18("2","3","6","5","4","4","1") = "5"
    & skf18("2","3","6","5","4","5","1") = "5"
    & skf18("2","3","6","5","4","6","1") = "5"
    & skf18("2","3","6","5","4","7","1") = "6"
    & skf18("2","3","6","5","4","8","1") = "7"
    & skf18("2","3","6","5","4","9","1") = "8"
    & skf18("2","3","6","5","4","10","1") = "9"
    & skf18("2","3","6","5","5","1","1") = "5"
    & skf18("2","3","6","5","5","2","1") = "5"
    & skf18("2","3","6","5","5","3","1") = "5"
    & skf18("2","3","6","5","5","4","1") = "5"
    & skf18("2","3","6","5","5","5","1") = "5"
    & skf18("2","3","6","5","5","6","1") = "5"
    & skf18("2","3","6","5","5","7","1") = "6"
    & skf18("2","3","6","5","5","8","1") = "7"
    & skf18("2","3","6","5","5","9","1") = "8"
    & skf18("2","3","6","5","5","10","1") = "9"
    & skf18("2","3","6","5","6","1","1") = "5"
    & skf18("2","3","6","5","6","2","1") = "5"
    & skf18("2","3","6","5","6","3","1") = "5"
    & skf18("2","3","6","5","6","4","1") = "5"
    & skf18("2","3","6","5","6","5","1") = "5"
    & skf18("2","3","6","5","6","6","1") = "5"
    & skf18("2","3","6","5","6","7","1") = "6"
    & skf18("2","3","6","5","6","8","1") = "7"
    & skf18("2","3","6","5","6","9","1") = "8"
    & skf18("2","3","6","5","6","10","1") = "9"
    & skf18("2","3","6","5","7","1","1") = "6"
    & skf18("2","3","6","5","7","2","1") = "6"
    & skf18("2","3","6","5","7","3","1") = "6"
    & skf18("2","3","6","5","7","4","1") = "6"
    & skf18("2","3","6","5","7","5","1") = "6"
    & skf18("2","3","6","5","7","6","1") = "6"
    & skf18("2","3","6","5","7","7","1") = "6"
    & skf18("2","3","6","5","7","8","1") = "7"
    & skf18("2","3","6","5","7","9","1") = "8"
    & skf18("2","3","6","5","7","10","1") = "9"
    & skf18("2","3","6","5","8","1","1") = "7"
    & skf18("2","3","6","5","8","2","1") = "7"
    & skf18("2","3","6","5","8","3","1") = "7"
    & skf18("2","3","6","5","8","4","1") = "7"
    & skf18("2","3","6","5","8","5","1") = "7"
    & skf18("2","3","6","5","8","6","1") = "7"
    & skf18("2","3","6","5","8","7","1") = "7"
    & skf18("2","3","6","5","8","8","1") = "7"
    & skf18("2","3","6","5","8","9","1") = "8"
    & skf18("2","3","6","5","8","10","1") = "9"
    & skf18("2","3","6","5","9","1","1") = "8"
    & skf18("2","3","6","5","9","2","1") = "8"
    & skf18("2","3","6","5","9","3","1") = "8"
    & skf18("2","3","6","5","9","4","1") = "8"
    & skf18("2","3","6","5","9","5","1") = "8"
    & skf18("2","3","6","5","9","6","1") = "8"
    & skf18("2","3","6","5","9","7","1") = "8"
    & skf18("2","3","6","5","9","8","1") = "8"
    & skf18("2","3","6","5","9","9","1") = "8"
    & skf18("2","3","6","5","9","10","1") = "9"
    & skf18("2","3","6","5","10","1","1") = "9"
    & skf18("2","3","6","5","10","2","1") = "9"
    & skf18("2","3","6","5","10","3","1") = "9"
    & skf18("2","3","6","5","10","4","1") = "9"
    & skf18("2","3","6","5","10","5","1") = "9"
    & skf18("2","3","6","5","10","6","1") = "9"
    & skf18("2","3","6","5","10","7","1") = "9"
    & skf18("2","3","6","5","10","8","1") = "9"
    & skf18("2","3","6","5","10","9","1") = "9"
    & skf18("2","3","6","5","10","10","1") = "9"
    & skf18("2","3","6","6","1","1","1") = "5"
    & skf18("2","3","6","6","1","2","1") = "5"
    & skf18("2","3","6","6","1","3","1") = "5"
    & skf18("2","3","6","6","1","4","1") = "5"
    & skf18("2","3","6","6","1","5","1") = "5"
    & skf18("2","3","6","6","1","6","1") = "5"
    & skf18("2","3","6","6","1","7","1") = "6"
    & skf18("2","3","6","6","1","8","1") = "7"
    & skf18("2","3","6","6","1","9","1") = "8"
    & skf18("2","3","6","6","1","10","1") = "9"
    & skf18("2","3","6","6","2","1","1") = "5"
    & skf18("2","3","6","6","2","2","1") = "5"
    & skf18("2","3","6","6","2","3","1") = "5"
    & skf18("2","3","6","6","2","4","1") = "5"
    & skf18("2","3","6","6","2","5","1") = "5"
    & skf18("2","3","6","6","2","6","1") = "5"
    & skf18("2","3","6","6","2","7","1") = "6"
    & skf18("2","3","6","6","2","8","1") = "7"
    & skf18("2","3","6","6","2","9","1") = "8"
    & skf18("2","3","6","6","2","10","1") = "9"
    & skf18("2","3","6","6","3","1","1") = "5"
    & skf18("2","3","6","6","3","2","1") = "5"
    & skf18("2","3","6","6","3","3","1") = "5"
    & skf18("2","3","6","6","3","4","1") = "5"
    & skf18("2","3","6","6","3","5","1") = "5"
    & skf18("2","3","6","6","3","6","1") = "5"
    & skf18("2","3","6","6","3","7","1") = "6"
    & skf18("2","3","6","6","3","8","1") = "7"
    & skf18("2","3","6","6","3","9","1") = "8"
    & skf18("2","3","6","6","3","10","1") = "9"
    & skf18("2","3","6","6","4","1","1") = "5"
    & skf18("2","3","6","6","4","2","1") = "5"
    & skf18("2","3","6","6","4","3","1") = "5"
    & skf18("2","3","6","6","4","4","1") = "5"
    & skf18("2","3","6","6","4","5","1") = "5"
    & skf18("2","3","6","6","4","6","1") = "5"
    & skf18("2","3","6","6","4","7","1") = "6"
    & skf18("2","3","6","6","4","8","1") = "7"
    & skf18("2","3","6","6","4","9","1") = "8"
    & skf18("2","3","6","6","4","10","1") = "9"
    & skf18("2","3","6","6","5","1","1") = "5"
    & skf18("2","3","6","6","5","2","1") = "5"
    & skf18("2","3","6","6","5","3","1") = "5"
    & skf18("2","3","6","6","5","4","1") = "5"
    & skf18("2","3","6","6","5","5","1") = "5"
    & skf18("2","3","6","6","5","6","1") = "5"
    & skf18("2","3","6","6","5","7","1") = "6"
    & skf18("2","3","6","6","5","8","1") = "7"
    & skf18("2","3","6","6","5","9","1") = "8"
    & skf18("2","3","6","6","5","10","1") = "9"
    & skf18("2","3","6","6","6","1","1") = "5"
    & skf18("2","3","6","6","6","2","1") = "5"
    & skf18("2","3","6","6","6","3","1") = "5"
    & skf18("2","3","6","6","6","4","1") = "5"
    & skf18("2","3","6","6","6","5","1") = "5"
    & skf18("2","3","6","6","6","6","1") = "5"
    & skf18("2","3","6","6","6","7","1") = "6"
    & skf18("2","3","6","6","6","8","1") = "7"
    & skf18("2","3","6","6","6","9","1") = "8"
    & skf18("2","3","6","6","6","10","1") = "9"
    & skf18("2","3","6","6","7","1","1") = "6"
    & skf18("2","3","6","6","7","2","1") = "6"
    & skf18("2","3","6","6","7","3","1") = "6"
    & skf18("2","3","6","6","7","4","1") = "6"
    & skf18("2","3","6","6","7","5","1") = "6"
    & skf18("2","3","6","6","7","6","1") = "6"
    & skf18("2","3","6","6","7","7","1") = "6"
    & skf18("2","3","6","6","7","8","1") = "7"
    & skf18("2","3","6","6","7","9","1") = "8"
    & skf18("2","3","6","6","7","10","1") = "9"
    & skf18("2","3","6","6","8","1","1") = "7"
    & skf18("2","3","6","6","8","2","1") = "7"
    & skf18("2","3","6","6","8","3","1") = "7"
    & skf18("2","3","6","6","8","4","1") = "7"
    & skf18("2","3","6","6","8","5","1") = "7"
    & skf18("2","3","6","6","8","6","1") = "7"
    & skf18("2","3","6","6","8","7","1") = "7"
    & skf18("2","3","6","6","8","8","1") = "7"
    & skf18("2","3","6","6","8","9","1") = "8"
    & skf18("2","3","6","6","8","10","1") = "9"
    & skf18("2","3","6","6","9","1","1") = "8"
    & skf18("2","3","6","6","9","2","1") = "8"
    & skf18("2","3","6","6","9","3","1") = "8"
    & skf18("2","3","6","6","9","4","1") = "8"
    & skf18("2","3","6","6","9","5","1") = "8"
    & skf18("2","3","6","6","9","6","1") = "8"
    & skf18("2","3","6","6","9","7","1") = "8"
    & skf18("2","3","6","6","9","8","1") = "8"
    & skf18("2","3","6","6","9","9","1") = "8"
    & skf18("2","3","6","6","9","10","1") = "9"
    & skf18("2","3","6","6","10","1","1") = "9"
    & skf18("2","3","6","6","10","2","1") = "9"
    & skf18("2","3","6","6","10","3","1") = "9"
    & skf18("2","3","6","6","10","4","1") = "9"
    & skf18("2","3","6","6","10","5","1") = "9"
    & skf18("2","3","6","6","10","6","1") = "9"
    & skf18("2","3","6","6","10","7","1") = "9"
    & skf18("2","3","6","6","10","8","1") = "9"
    & skf18("2","3","6","6","10","9","1") = "9"
    & skf18("2","3","6","6","10","10","1") = "9"
    & skf18("2","3","6","7","1","1","1") = "6"
    & skf18("2","3","6","7","1","2","1") = "6"
    & skf18("2","3","6","7","1","3","1") = "6"
    & skf18("2","3","6","7","1","4","1") = "6"
    & skf18("2","3","6","7","1","5","1") = "6"
    & skf18("2","3","6","7","1","6","1") = "6"
    & skf18("2","3","6","7","1","7","1") = "6"
    & skf18("2","3","6","7","1","8","1") = "7"
    & skf18("2","3","6","7","1","9","1") = "8"
    & skf18("2","3","6","7","1","10","1") = "9"
    & skf18("2","3","6","7","2","1","1") = "6"
    & skf18("2","3","6","7","2","2","1") = "6"
    & skf18("2","3","6","7","2","3","1") = "6"
    & skf18("2","3","6","7","2","4","1") = "6"
    & skf18("2","3","6","7","2","5","1") = "6"
    & skf18("2","3","6","7","2","6","1") = "6"
    & skf18("2","3","6","7","2","7","1") = "6"
    & skf18("2","3","6","7","2","8","1") = "7"
    & skf18("2","3","6","7","2","9","1") = "8"
    & skf18("2","3","6","7","2","10","1") = "9"
    & skf18("2","3","6","7","3","1","1") = "6"
    & skf18("2","3","6","7","3","2","1") = "6"
    & skf18("2","3","6","7","3","3","1") = "6"
    & skf18("2","3","6","7","3","4","1") = "6"
    & skf18("2","3","6","7","3","5","1") = "6"
    & skf18("2","3","6","7","3","6","1") = "6"
    & skf18("2","3","6","7","3","7","1") = "6"
    & skf18("2","3","6","7","3","8","1") = "7"
    & skf18("2","3","6","7","3","9","1") = "8"
    & skf18("2","3","6","7","3","10","1") = "9"
    & skf18("2","3","6","7","4","1","1") = "6"
    & skf18("2","3","6","7","4","2","1") = "6"
    & skf18("2","3","6","7","4","3","1") = "6"
    & skf18("2","3","6","7","4","4","1") = "6"
    & skf18("2","3","6","7","4","5","1") = "6"
    & skf18("2","3","6","7","4","6","1") = "6"
    & skf18("2","3","6","7","4","7","1") = "6"
    & skf18("2","3","6","7","4","8","1") = "7"
    & skf18("2","3","6","7","4","9","1") = "8"
    & skf18("2","3","6","7","4","10","1") = "9"
    & skf18("2","3","6","7","5","1","1") = "6"
    & skf18("2","3","6","7","5","2","1") = "6"
    & skf18("2","3","6","7","5","3","1") = "6"
    & skf18("2","3","6","7","5","4","1") = "6"
    & skf18("2","3","6","7","5","5","1") = "6"
    & skf18("2","3","6","7","5","6","1") = "6"
    & skf18("2","3","6","7","5","7","1") = "6"
    & skf18("2","3","6","7","5","8","1") = "7"
    & skf18("2","3","6","7","5","9","1") = "8"
    & skf18("2","3","6","7","5","10","1") = "9"
    & skf18("2","3","6","7","6","1","1") = "6"
    & skf18("2","3","6","7","6","2","1") = "6"
    & skf18("2","3","6","7","6","3","1") = "6"
    & skf18("2","3","6","7","6","4","1") = "6"
    & skf18("2","3","6","7","6","5","1") = "6"
    & skf18("2","3","6","7","6","6","1") = "6"
    & skf18("2","3","6","7","6","7","1") = "6"
    & skf18("2","3","6","7","6","8","1") = "7"
    & skf18("2","3","6","7","6","9","1") = "8"
    & skf18("2","3","6","7","6","10","1") = "9"
    & skf18("2","3","6","7","7","1","1") = "6"
    & skf18("2","3","6","7","7","2","1") = "6"
    & skf18("2","3","6","7","7","3","1") = "6"
    & skf18("2","3","6","7","7","4","1") = "6"
    & skf18("2","3","6","7","7","5","1") = "6"
    & skf18("2","3","6","7","7","6","1") = "6"
    & skf18("2","3","6","7","7","7","1") = "6"
    & skf18("2","3","6","7","7","8","1") = "7"
    & skf18("2","3","6","7","7","9","1") = "8"
    & skf18("2","3","6","7","7","10","1") = "9"
    & skf18("2","3","6","7","8","1","1") = "7"
    & skf18("2","3","6","7","8","2","1") = "7"
    & skf18("2","3","6","7","8","3","1") = "7"
    & skf18("2","3","6","7","8","4","1") = "7"
    & skf18("2","3","6","7","8","5","1") = "7"
    & skf18("2","3","6","7","8","6","1") = "7"
    & skf18("2","3","6","7","8","7","1") = "7"
    & skf18("2","3","6","7","8","8","1") = "7"
    & skf18("2","3","6","7","8","9","1") = "8"
    & skf18("2","3","6","7","8","10","1") = "9"
    & skf18("2","3","6","7","9","1","1") = "8"
    & skf18("2","3","6","7","9","2","1") = "8"
    & skf18("2","3","6","7","9","3","1") = "8"
    & skf18("2","3","6","7","9","4","1") = "8"
    & skf18("2","3","6","7","9","5","1") = "8"
    & skf18("2","3","6","7","9","6","1") = "8"
    & skf18("2","3","6","7","9","7","1") = "8"
    & skf18("2","3","6","7","9","8","1") = "8"
    & skf18("2","3","6","7","9","9","1") = "8"
    & skf18("2","3","6","7","9","10","1") = "9"
    & skf18("2","3","6","7","10","1","1") = "9"
    & skf18("2","3","6","7","10","2","1") = "9"
    & skf18("2","3","6","7","10","3","1") = "9"
    & skf18("2","3","6","7","10","4","1") = "9"
    & skf18("2","3","6","7","10","5","1") = "9"
    & skf18("2","3","6","7","10","6","1") = "9"
    & skf18("2","3","6","7","10","7","1") = "9"
    & skf18("2","3","6","7","10","8","1") = "9"
    & skf18("2","3","6","7","10","9","1") = "9"
    & skf18("2","3","6","7","10","10","1") = "9"
    & skf18("2","3","6","8","1","1","1") = "7"
    & skf18("2","3","6","8","1","2","1") = "7"
    & skf18("2","3","6","8","1","3","1") = "7"
    & skf18("2","3","6","8","1","4","1") = "7"
    & skf18("2","3","6","8","1","5","1") = "7"
    & skf18("2","3","6","8","1","6","1") = "7"
    & skf18("2","3","6","8","1","7","1") = "7"
    & skf18("2","3","6","8","1","8","1") = "7"
    & skf18("2","3","6","8","1","9","1") = "8"
    & skf18("2","3","6","8","1","10","1") = "9"
    & skf18("2","3","6","8","2","1","1") = "7"
    & skf18("2","3","6","8","2","2","1") = "7"
    & skf18("2","3","6","8","2","3","1") = "7"
    & skf18("2","3","6","8","2","4","1") = "7"
    & skf18("2","3","6","8","2","5","1") = "7"
    & skf18("2","3","6","8","2","6","1") = "7"
    & skf18("2","3","6","8","2","7","1") = "7"
    & skf18("2","3","6","8","2","8","1") = "7"
    & skf18("2","3","6","8","2","9","1") = "8"
    & skf18("2","3","6","8","2","10","1") = "9"
    & skf18("2","3","6","8","3","1","1") = "7"
    & skf18("2","3","6","8","3","2","1") = "7"
    & skf18("2","3","6","8","3","3","1") = "7"
    & skf18("2","3","6","8","3","4","1") = "7"
    & skf18("2","3","6","8","3","5","1") = "7"
    & skf18("2","3","6","8","3","6","1") = "7"
    & skf18("2","3","6","8","3","7","1") = "7"
    & skf18("2","3","6","8","3","8","1") = "7"
    & skf18("2","3","6","8","3","9","1") = "8"
    & skf18("2","3","6","8","3","10","1") = "9"
    & skf18("2","3","6","8","4","1","1") = "7"
    & skf18("2","3","6","8","4","2","1") = "7"
    & skf18("2","3","6","8","4","3","1") = "7"
    & skf18("2","3","6","8","4","4","1") = "7"
    & skf18("2","3","6","8","4","5","1") = "7"
    & skf18("2","3","6","8","4","6","1") = "7"
    & skf18("2","3","6","8","4","7","1") = "7"
    & skf18("2","3","6","8","4","8","1") = "7"
    & skf18("2","3","6","8","4","9","1") = "8"
    & skf18("2","3","6","8","4","10","1") = "9"
    & skf18("2","3","6","8","5","1","1") = "7"
    & skf18("2","3","6","8","5","2","1") = "7"
    & skf18("2","3","6","8","5","3","1") = "7"
    & skf18("2","3","6","8","5","4","1") = "7"
    & skf18("2","3","6","8","5","5","1") = "7"
    & skf18("2","3","6","8","5","6","1") = "7"
    & skf18("2","3","6","8","5","7","1") = "7"
    & skf18("2","3","6","8","5","8","1") = "7"
    & skf18("2","3","6","8","5","9","1") = "8"
    & skf18("2","3","6","8","5","10","1") = "9"
    & skf18("2","3","6","8","6","1","1") = "7"
    & skf18("2","3","6","8","6","2","1") = "7"
    & skf18("2","3","6","8","6","3","1") = "7"
    & skf18("2","3","6","8","6","4","1") = "7"
    & skf18("2","3","6","8","6","5","1") = "7"
    & skf18("2","3","6","8","6","6","1") = "7"
    & skf18("2","3","6","8","6","7","1") = "7"
    & skf18("2","3","6","8","6","8","1") = "7"
    & skf18("2","3","6","8","6","9","1") = "8"
    & skf18("2","3","6","8","6","10","1") = "9"
    & skf18("2","3","6","8","7","1","1") = "7"
    & skf18("2","3","6","8","7","2","1") = "7"
    & skf18("2","3","6","8","7","3","1") = "7"
    & skf18("2","3","6","8","7","4","1") = "7"
    & skf18("2","3","6","8","7","5","1") = "7"
    & skf18("2","3","6","8","7","6","1") = "7"
    & skf18("2","3","6","8","7","7","1") = "7"
    & skf18("2","3","6","8","7","8","1") = "7"
    & skf18("2","3","6","8","7","9","1") = "8"
    & skf18("2","3","6","8","7","10","1") = "9"
    & skf18("2","3","6","8","8","1","1") = "7"
    & skf18("2","3","6","8","8","2","1") = "7"
    & skf18("2","3","6","8","8","3","1") = "7"
    & skf18("2","3","6","8","8","4","1") = "7"
    & skf18("2","3","6","8","8","5","1") = "7"
    & skf18("2","3","6","8","8","6","1") = "7"
    & skf18("2","3","6","8","8","7","1") = "7"
    & skf18("2","3","6","8","8","8","1") = "7"
    & skf18("2","3","6","8","8","9","1") = "8"
    & skf18("2","3","6","8","8","10","1") = "9"
    & skf18("2","3","6","8","9","1","1") = "8"
    & skf18("2","3","6","8","9","2","1") = "8"
    & skf18("2","3","6","8","9","3","1") = "8"
    & skf18("2","3","6","8","9","4","1") = "8"
    & skf18("2","3","6","8","9","5","1") = "8"
    & skf18("2","3","6","8","9","6","1") = "8"
    & skf18("2","3","6","8","9","7","1") = "8"
    & skf18("2","3","6","8","9","8","1") = "8"
    & skf18("2","3","6","8","9","9","1") = "8"
    & skf18("2","3","6","8","9","10","1") = "9"
    & skf18("2","3","6","8","10","1","1") = "9"
    & skf18("2","3","6","8","10","2","1") = "9"
    & skf18("2","3","6","8","10","3","1") = "9"
    & skf18("2","3","6","8","10","4","1") = "9"
    & skf18("2","3","6","8","10","5","1") = "9"
    & skf18("2","3","6","8","10","6","1") = "9"
    & skf18("2","3","6","8","10","7","1") = "9"
    & skf18("2","3","6","8","10","8","1") = "9"
    & skf18("2","3","6","8","10","9","1") = "9"
    & skf18("2","3","6","8","10","10","1") = "9"
    & skf18("2","3","6","9","1","1","1") = "8"
    & skf18("2","3","6","9","1","2","1") = "8"
    & skf18("2","3","6","9","1","3","1") = "8"
    & skf18("2","3","6","9","1","4","1") = "8"
    & skf18("2","3","6","9","1","5","1") = "8"
    & skf18("2","3","6","9","1","6","1") = "8"
    & skf18("2","3","6","9","1","7","1") = "8"
    & skf18("2","3","6","9","1","8","1") = "8"
    & skf18("2","3","6","9","1","9","1") = "8"
    & skf18("2","3","6","9","1","10","1") = "9"
    & skf18("2","3","6","9","2","1","1") = "8"
    & skf18("2","3","6","9","2","2","1") = "8"
    & skf18("2","3","6","9","2","3","1") = "8"
    & skf18("2","3","6","9","2","4","1") = "8"
    & skf18("2","3","6","9","2","5","1") = "8"
    & skf18("2","3","6","9","2","6","1") = "8"
    & skf18("2","3","6","9","2","7","1") = "8"
    & skf18("2","3","6","9","2","8","1") = "8"
    & skf18("2","3","6","9","2","9","1") = "8"
    & skf18("2","3","6","9","2","10","1") = "9"
    & skf18("2","3","6","9","3","1","1") = "8"
    & skf18("2","3","6","9","3","2","1") = "8"
    & skf18("2","3","6","9","3","3","1") = "8"
    & skf18("2","3","6","9","3","4","1") = "8"
    & skf18("2","3","6","9","3","5","1") = "8"
    & skf18("2","3","6","9","3","6","1") = "8"
    & skf18("2","3","6","9","3","7","1") = "8"
    & skf18("2","3","6","9","3","8","1") = "8"
    & skf18("2","3","6","9","3","9","1") = "8"
    & skf18("2","3","6","9","3","10","1") = "9"
    & skf18("2","3","6","9","4","1","1") = "8"
    & skf18("2","3","6","9","4","2","1") = "8"
    & skf18("2","3","6","9","4","3","1") = "8"
    & skf18("2","3","6","9","4","4","1") = "8"
    & skf18("2","3","6","9","4","5","1") = "8"
    & skf18("2","3","6","9","4","6","1") = "8"
    & skf18("2","3","6","9","4","7","1") = "8"
    & skf18("2","3","6","9","4","8","1") = "8"
    & skf18("2","3","6","9","4","9","1") = "8"
    & skf18("2","3","6","9","4","10","1") = "9"
    & skf18("2","3","6","9","5","1","1") = "8"
    & skf18("2","3","6","9","5","2","1") = "8"
    & skf18("2","3","6","9","5","3","1") = "8"
    & skf18("2","3","6","9","5","4","1") = "8"
    & skf18("2","3","6","9","5","5","1") = "8"
    & skf18("2","3","6","9","5","6","1") = "8"
    & skf18("2","3","6","9","5","7","1") = "8"
    & skf18("2","3","6","9","5","8","1") = "8"
    & skf18("2","3","6","9","5","9","1") = "8"
    & skf18("2","3","6","9","5","10","1") = "9"
    & skf18("2","3","6","9","6","1","1") = "8"
    & skf18("2","3","6","9","6","2","1") = "8"
    & skf18("2","3","6","9","6","3","1") = "8"
    & skf18("2","3","6","9","6","4","1") = "8"
    & skf18("2","3","6","9","6","5","1") = "8"
    & skf18("2","3","6","9","6","6","1") = "8"
    & skf18("2","3","6","9","6","7","1") = "8"
    & skf18("2","3","6","9","6","8","1") = "8"
    & skf18("2","3","6","9","6","9","1") = "8"
    & skf18("2","3","6","9","6","10","1") = "9"
    & skf18("2","3","6","9","7","1","1") = "8"
    & skf18("2","3","6","9","7","2","1") = "8"
    & skf18("2","3","6","9","7","3","1") = "8"
    & skf18("2","3","6","9","7","4","1") = "8"
    & skf18("2","3","6","9","7","5","1") = "8"
    & skf18("2","3","6","9","7","6","1") = "8"
    & skf18("2","3","6","9","7","7","1") = "8"
    & skf18("2","3","6","9","7","8","1") = "8"
    & skf18("2","3","6","9","7","9","1") = "8"
    & skf18("2","3","6","9","7","10","1") = "9"
    & skf18("2","3","6","9","8","1","1") = "8"
    & skf18("2","3","6","9","8","2","1") = "8"
    & skf18("2","3","6","9","8","3","1") = "8"
    & skf18("2","3","6","9","8","4","1") = "8"
    & skf18("2","3","6","9","8","5","1") = "8"
    & skf18("2","3","6","9","8","6","1") = "8"
    & skf18("2","3","6","9","8","7","1") = "8"
    & skf18("2","3","6","9","8","8","1") = "8"
    & skf18("2","3","6","9","8","9","1") = "8"
    & skf18("2","3","6","9","8","10","1") = "9"
    & skf18("2","3","6","9","9","1","1") = "8"
    & skf18("2","3","6","9","9","2","1") = "8"
    & skf18("2","3","6","9","9","3","1") = "8"
    & skf18("2","3","6","9","9","4","1") = "8"
    & skf18("2","3","6","9","9","5","1") = "8"
    & skf18("2","3","6","9","9","6","1") = "8"
    & skf18("2","3","6","9","9","7","1") = "8"
    & skf18("2","3","6","9","9","8","1") = "8"
    & skf18("2","3","6","9","9","9","1") = "8"
    & skf18("2","3","6","9","9","10","1") = "9"
    & skf18("2","3","6","9","10","1","1") = "9"
    & skf18("2","3","6","9","10","2","1") = "9"
    & skf18("2","3","6","9","10","3","1") = "9"
    & skf18("2","3","6","9","10","4","1") = "9"
    & skf18("2","3","6","9","10","5","1") = "9"
    & skf18("2","3","6","9","10","6","1") = "9"
    & skf18("2","3","6","9","10","7","1") = "9"
    & skf18("2","3","6","9","10","8","1") = "9"
    & skf18("2","3","6","9","10","9","1") = "9"
    & skf18("2","3","6","9","10","10","1") = "9"
    & skf18("2","3","6","10","1","1","1") = "9"
    & skf18("2","3","6","10","1","2","1") = "9"
    & skf18("2","3","6","10","1","3","1") = "9"
    & skf18("2","3","6","10","1","4","1") = "9"
    & skf18("2","3","6","10","1","5","1") = "9"
    & skf18("2","3","6","10","1","6","1") = "9"
    & skf18("2","3","6","10","1","7","1") = "9"
    & skf18("2","3","6","10","1","8","1") = "9"
    & skf18("2","3","6","10","1","9","1") = "9"
    & skf18("2","3","6","10","1","10","1") = "9"
    & skf18("2","3","6","10","2","1","1") = "9"
    & skf18("2","3","6","10","2","2","1") = "9"
    & skf18("2","3","6","10","2","3","1") = "9"
    & skf18("2","3","6","10","2","4","1") = "9"
    & skf18("2","3","6","10","2","5","1") = "9"
    & skf18("2","3","6","10","2","6","1") = "9"
    & skf18("2","3","6","10","2","7","1") = "9"
    & skf18("2","3","6","10","2","8","1") = "9"
    & skf18("2","3","6","10","2","9","1") = "9"
    & skf18("2","3","6","10","2","10","1") = "9"
    & skf18("2","3","6","10","3","1","1") = "9"
    & skf18("2","3","6","10","3","2","1") = "9"
    & skf18("2","3","6","10","3","3","1") = "9"
    & skf18("2","3","6","10","3","4","1") = "9"
    & skf18("2","3","6","10","3","5","1") = "9"
    & skf18("2","3","6","10","3","6","1") = "9"
    & skf18("2","3","6","10","3","7","1") = "9"
    & skf18("2","3","6","10","3","8","1") = "9"
    & skf18("2","3","6","10","3","9","1") = "9"
    & skf18("2","3","6","10","3","10","1") = "9"
    & skf18("2","3","6","10","4","1","1") = "9"
    & skf18("2","3","6","10","4","2","1") = "9"
    & skf18("2","3","6","10","4","3","1") = "9"
    & skf18("2","3","6","10","4","4","1") = "9"
    & skf18("2","3","6","10","4","5","1") = "9"
    & skf18("2","3","6","10","4","6","1") = "9"
    & skf18("2","3","6","10","4","7","1") = "9"
    & skf18("2","3","6","10","4","8","1") = "9"
    & skf18("2","3","6","10","4","9","1") = "9"
    & skf18("2","3","6","10","4","10","1") = "9"
    & skf18("2","3","6","10","5","1","1") = "9"
    & skf18("2","3","6","10","5","2","1") = "9"
    & skf18("2","3","6","10","5","3","1") = "9"
    & skf18("2","3","6","10","5","4","1") = "9"
    & skf18("2","3","6","10","5","5","1") = "9"
    & skf18("2","3","6","10","5","6","1") = "9"
    & skf18("2","3","6","10","5","7","1") = "9"
    & skf18("2","3","6","10","5","8","1") = "9"
    & skf18("2","3","6","10","5","9","1") = "9"
    & skf18("2","3","6","10","5","10","1") = "9"
    & skf18("2","3","6","10","6","1","1") = "9"
    & skf18("2","3","6","10","6","2","1") = "9"
    & skf18("2","3","6","10","6","3","1") = "9"
    & skf18("2","3","6","10","6","4","1") = "9"
    & skf18("2","3","6","10","6","5","1") = "9"
    & skf18("2","3","6","10","6","6","1") = "9"
    & skf18("2","3","6","10","6","7","1") = "9"
    & skf18("2","3","6","10","6","8","1") = "9"
    & skf18("2","3","6","10","6","9","1") = "9"
    & skf18("2","3","6","10","6","10","1") = "9"
    & skf18("2","3","6","10","7","1","1") = "9"
    & skf18("2","3","6","10","7","2","1") = "9"
    & skf18("2","3","6","10","7","3","1") = "9"
    & skf18("2","3","6","10","7","4","1") = "9"
    & skf18("2","3","6","10","7","5","1") = "9"
    & skf18("2","3","6","10","7","6","1") = "9"
    & skf18("2","3","6","10","7","7","1") = "9"
    & skf18("2","3","6","10","7","8","1") = "9"
    & skf18("2","3","6","10","7","9","1") = "9"
    & skf18("2","3","6","10","7","10","1") = "9"
    & skf18("2","3","6","10","8","1","1") = "9"
    & skf18("2","3","6","10","8","2","1") = "9"
    & skf18("2","3","6","10","8","3","1") = "9"
    & skf18("2","3","6","10","8","4","1") = "9"
    & skf18("2","3","6","10","8","5","1") = "9"
    & skf18("2","3","6","10","8","6","1") = "9"
    & skf18("2","3","6","10","8","7","1") = "9"
    & skf18("2","3","6","10","8","8","1") = "9"
    & skf18("2","3","6","10","8","9","1") = "9"
    & skf18("2","3","6","10","8","10","1") = "9"
    & skf18("2","3","6","10","9","1","1") = "9"
    & skf18("2","3","6","10","9","2","1") = "9"
    & skf18("2","3","6","10","9","3","1") = "9"
    & skf18("2","3","6","10","9","4","1") = "9"
    & skf18("2","3","6","10","9","5","1") = "9"
    & skf18("2","3","6","10","9","6","1") = "9"
    & skf18("2","3","6","10","9","7","1") = "9"
    & skf18("2","3","6","10","9","8","1") = "9"
    & skf18("2","3","6","10","9","9","1") = "9"
    & skf18("2","3","6","10","9","10","1") = "9"
    & skf18("2","3","6","10","10","1","1") = "9"
    & skf18("2","3","6","10","10","2","1") = "9"
    & skf18("2","3","6","10","10","3","1") = "9"
    & skf18("2","3","6","10","10","4","1") = "9"
    & skf18("2","3","6","10","10","5","1") = "9"
    & skf18("2","3","6","10","10","6","1") = "9"
    & skf18("2","3","6","10","10","7","1") = "9"
    & skf18("2","3","6","10","10","8","1") = "9"
    & skf18("2","3","6","10","10","9","1") = "9"
    & skf18("2","3","6","10","10","10","1") = "9"
    & skf18("2","3","7","1","1","1","1") = "6"
    & skf18("2","3","7","1","1","2","1") = "6"
    & skf18("2","3","7","1","1","3","1") = "6"
    & skf18("2","3","7","1","1","4","1") = "6"
    & skf18("2","3","7","1","1","5","1") = "6"
    & skf18("2","3","7","1","1","6","1") = "6"
    & skf18("2","3","7","1","1","7","1") = "6"
    & skf18("2","3","7","1","1","8","1") = "7"
    & skf18("2","3","7","1","1","9","1") = "8"
    & skf18("2","3","7","1","1","10","1") = "9"
    & skf18("2","3","7","1","2","1","1") = "6"
    & skf18("2","3","7","1","2","2","1") = "6"
    & skf18("2","3","7","1","2","3","1") = "6"
    & skf18("2","3","7","1","2","4","1") = "6"
    & skf18("2","3","7","1","2","5","1") = "6"
    & skf18("2","3","7","1","2","6","1") = "6"
    & skf18("2","3","7","1","2","7","1") = "6"
    & skf18("2","3","7","1","2","8","1") = "7"
    & skf18("2","3","7","1","2","9","1") = "8"
    & skf18("2","3","7","1","2","10","1") = "9"
    & skf18("2","3","7","1","3","1","1") = "6"
    & skf18("2","3","7","1","3","2","1") = "6"
    & skf18("2","3","7","1","3","3","1") = "6"
    & skf18("2","3","7","1","3","4","1") = "6"
    & skf18("2","3","7","1","3","5","1") = "6"
    & skf18("2","3","7","1","3","6","1") = "6"
    & skf18("2","3","7","1","3","7","1") = "6"
    & skf18("2","3","7","1","3","8","1") = "7"
    & skf18("2","3","7","1","3","9","1") = "8"
    & skf18("2","3","7","1","3","10","1") = "9"
    & skf18("2","3","7","1","4","1","1") = "6"
    & skf18("2","3","7","1","4","2","1") = "6"
    & skf18("2","3","7","1","4","3","1") = "6"
    & skf18("2","3","7","1","4","4","1") = "6"
    & skf18("2","3","7","1","4","5","1") = "6"
    & skf18("2","3","7","1","4","6","1") = "6"
    & skf18("2","3","7","1","4","7","1") = "6"
    & skf18("2","3","7","1","4","8","1") = "7"
    & skf18("2","3","7","1","4","9","1") = "8"
    & skf18("2","3","7","1","4","10","1") = "9"
    & skf18("2","3","7","1","5","1","1") = "6"
    & skf18("2","3","7","1","5","2","1") = "6"
    & skf18("2","3","7","1","5","3","1") = "6"
    & skf18("2","3","7","1","5","4","1") = "6"
    & skf18("2","3","7","1","5","5","1") = "6"
    & skf18("2","3","7","1","5","6","1") = "6"
    & skf18("2","3","7","1","5","7","1") = "6"
    & skf18("2","3","7","1","5","8","1") = "7"
    & skf18("2","3","7","1","5","9","1") = "8"
    & skf18("2","3","7","1","5","10","1") = "9"
    & skf18("2","3","7","1","6","1","1") = "6"
    & skf18("2","3","7","1","6","2","1") = "6"
    & skf18("2","3","7","1","6","3","1") = "6"
    & skf18("2","3","7","1","6","4","1") = "6"
    & skf18("2","3","7","1","6","5","1") = "6"
    & skf18("2","3","7","1","6","6","1") = "6"
    & skf18("2","3","7","1","6","7","1") = "6"
    & skf18("2","3","7","1","6","8","1") = "7"
    & skf18("2","3","7","1","6","9","1") = "8"
    & skf18("2","3","7","1","6","10","1") = "9"
    & skf18("2","3","7","1","7","1","1") = "6"
    & skf18("2","3","7","1","7","2","1") = "6"
    & skf18("2","3","7","1","7","3","1") = "6"
    & skf18("2","3","7","1","7","4","1") = "6"
    & skf18("2","3","7","1","7","5","1") = "6"
    & skf18("2","3","7","1","7","6","1") = "6"
    & skf18("2","3","7","1","7","7","1") = "6"
    & skf18("2","3","7","1","7","8","1") = "7"
    & skf18("2","3","7","1","7","9","1") = "8"
    & skf18("2","3","7","1","7","10","1") = "9"
    & skf18("2","3","7","1","8","1","1") = "7"
    & skf18("2","3","7","1","8","2","1") = "7"
    & skf18("2","3","7","1","8","3","1") = "7"
    & skf18("2","3","7","1","8","4","1") = "7"
    & skf18("2","3","7","1","8","5","1") = "7"
    & skf18("2","3","7","1","8","6","1") = "7"
    & skf18("2","3","7","1","8","7","1") = "7"
    & skf18("2","3","7","1","8","8","1") = "7"
    & skf18("2","3","7","1","8","9","1") = "8"
    & skf18("2","3","7","1","8","10","1") = "9"
    & skf18("2","3","7","1","9","1","1") = "8"
    & skf18("2","3","7","1","9","2","1") = "8"
    & skf18("2","3","7","1","9","3","1") = "8"
    & skf18("2","3","7","1","9","4","1") = "8"
    & skf18("2","3","7","1","9","5","1") = "8"
    & skf18("2","3","7","1","9","6","1") = "8"
    & skf18("2","3","7","1","9","7","1") = "8"
    & skf18("2","3","7","1","9","8","1") = "8"
    & skf18("2","3","7","1","9","9","1") = "8"
    & skf18("2","3","7","1","9","10","1") = "9"
    & skf18("2","3","7","1","10","1","1") = "9"
    & skf18("2","3","7","1","10","2","1") = "9"
    & skf18("2","3","7","1","10","3","1") = "9"
    & skf18("2","3","7","1","10","4","1") = "9"
    & skf18("2","3","7","1","10","5","1") = "9"
    & skf18("2","3","7","1","10","6","1") = "9"
    & skf18("2","3","7","1","10","7","1") = "9"
    & skf18("2","3","7","1","10","8","1") = "9"
    & skf18("2","3","7","1","10","9","1") = "9"
    & skf18("2","3","7","1","10","10","1") = "9"
    & skf18("2","3","7","2","1","1","1") = "6"
    & skf18("2","3","7","2","1","2","1") = "6"
    & skf18("2","3","7","2","1","3","1") = "6"
    & skf18("2","3","7","2","1","4","1") = "6"
    & skf18("2","3","7","2","1","5","1") = "6"
    & skf18("2","3","7","2","1","6","1") = "6"
    & skf18("2","3","7","2","1","7","1") = "6"
    & skf18("2","3","7","2","1","8","1") = "7"
    & skf18("2","3","7","2","1","9","1") = "8"
    & skf18("2","3","7","2","1","10","1") = "9"
    & skf18("2","3","7","2","2","1","1") = "6"
    & skf18("2","3","7","2","2","2","1") = "6"
    & skf18("2","3","7","2","2","3","1") = "6"
    & skf18("2","3","7","2","2","4","1") = "6"
    & skf18("2","3","7","2","2","5","1") = "6"
    & skf18("2","3","7","2","2","6","1") = "6"
    & skf18("2","3","7","2","2","7","1") = "6"
    & skf18("2","3","7","2","2","8","1") = "7"
    & skf18("2","3","7","2","2","9","1") = "8"
    & skf18("2","3","7","2","2","10","1") = "9"
    & skf18("2","3","7","2","3","1","1") = "6"
    & skf18("2","3","7","2","3","2","1") = "6"
    & skf18("2","3","7","2","3","3","1") = "6"
    & skf18("2","3","7","2","3","4","1") = "6"
    & skf18("2","3","7","2","3","5","1") = "6"
    & skf18("2","3","7","2","3","6","1") = "6"
    & skf18("2","3","7","2","3","7","1") = "6"
    & skf18("2","3","7","2","3","8","1") = "7"
    & skf18("2","3","7","2","3","9","1") = "8"
    & skf18("2","3","7","2","3","10","1") = "9"
    & skf18("2","3","7","2","4","1","1") = "6"
    & skf18("2","3","7","2","4","2","1") = "6"
    & skf18("2","3","7","2","4","3","1") = "6"
    & skf18("2","3","7","2","4","4","1") = "6"
    & skf18("2","3","7","2","4","5","1") = "6"
    & skf18("2","3","7","2","4","6","1") = "6"
    & skf18("2","3","7","2","4","7","1") = "6"
    & skf18("2","3","7","2","4","8","1") = "7"
    & skf18("2","3","7","2","4","9","1") = "8"
    & skf18("2","3","7","2","4","10","1") = "9"
    & skf18("2","3","7","2","5","1","1") = "6"
    & skf18("2","3","7","2","5","2","1") = "6"
    & skf18("2","3","7","2","5","3","1") = "6"
    & skf18("2","3","7","2","5","4","1") = "6"
    & skf18("2","3","7","2","5","5","1") = "6"
    & skf18("2","3","7","2","5","6","1") = "6"
    & skf18("2","3","7","2","5","7","1") = "6"
    & skf18("2","3","7","2","5","8","1") = "7"
    & skf18("2","3","7","2","5","9","1") = "8"
    & skf18("2","3","7","2","5","10","1") = "9"
    & skf18("2","3","7","2","6","1","1") = "6"
    & skf18("2","3","7","2","6","2","1") = "6"
    & skf18("2","3","7","2","6","3","1") = "6"
    & skf18("2","3","7","2","6","4","1") = "6"
    & skf18("2","3","7","2","6","5","1") = "6"
    & skf18("2","3","7","2","6","6","1") = "6"
    & skf18("2","3","7","2","6","7","1") = "6"
    & skf18("2","3","7","2","6","8","1") = "7"
    & skf18("2","3","7","2","6","9","1") = "8"
    & skf18("2","3","7","2","6","10","1") = "9"
    & skf18("2","3","7","2","7","1","1") = "6"
    & skf18("2","3","7","2","7","2","1") = "6"
    & skf18("2","3","7","2","7","3","1") = "6"
    & skf18("2","3","7","2","7","4","1") = "6"
    & skf18("2","3","7","2","7","5","1") = "6"
    & skf18("2","3","7","2","7","6","1") = "6"
    & skf18("2","3","7","2","7","7","1") = "6"
    & skf18("2","3","7","2","7","8","1") = "7"
    & skf18("2","3","7","2","7","9","1") = "8"
    & skf18("2","3","7","2","7","10","1") = "9"
    & skf18("2","3","7","2","8","1","1") = "7"
    & skf18("2","3","7","2","8","2","1") = "7"
    & skf18("2","3","7","2","8","3","1") = "7"
    & skf18("2","3","7","2","8","4","1") = "7"
    & skf18("2","3","7","2","8","5","1") = "7"
    & skf18("2","3","7","2","8","6","1") = "7"
    & skf18("2","3","7","2","8","7","1") = "7"
    & skf18("2","3","7","2","8","8","1") = "7"
    & skf18("2","3","7","2","8","9","1") = "8"
    & skf18("2","3","7","2","8","10","1") = "9"
    & skf18("2","3","7","2","9","1","1") = "8"
    & skf18("2","3","7","2","9","2","1") = "8"
    & skf18("2","3","7","2","9","3","1") = "8"
    & skf18("2","3","7","2","9","4","1") = "8"
    & skf18("2","3","7","2","9","5","1") = "8"
    & skf18("2","3","7","2","9","6","1") = "8"
    & skf18("2","3","7","2","9","7","1") = "8"
    & skf18("2","3","7","2","9","8","1") = "8"
    & skf18("2","3","7","2","9","9","1") = "8"
    & skf18("2","3","7","2","9","10","1") = "9"
    & skf18("2","3","7","2","10","1","1") = "9"
    & skf18("2","3","7","2","10","2","1") = "9"
    & skf18("2","3","7","2","10","3","1") = "9"
    & skf18("2","3","7","2","10","4","1") = "9"
    & skf18("2","3","7","2","10","5","1") = "9"
    & skf18("2","3","7","2","10","6","1") = "9"
    & skf18("2","3","7","2","10","7","1") = "9"
    & skf18("2","3","7","2","10","8","1") = "9"
    & skf18("2","3","7","2","10","9","1") = "9"
    & skf18("2","3","7","2","10","10","1") = "9"
    & skf18("2","3","7","3","1","1","1") = "6"
    & skf18("2","3","7","3","1","2","1") = "6"
    & skf18("2","3","7","3","1","3","1") = "6"
    & skf18("2","3","7","3","1","4","1") = "6"
    & skf18("2","3","7","3","1","5","1") = "6"
    & skf18("2","3","7","3","1","6","1") = "6"
    & skf18("2","3","7","3","1","7","1") = "6"
    & skf18("2","3","7","3","1","8","1") = "7"
    & skf18("2","3","7","3","1","9","1") = "8"
    & skf18("2","3","7","3","1","10","1") = "9"
    & skf18("2","3","7","3","2","1","1") = "6"
    & skf18("2","3","7","3","2","2","1") = "6"
    & skf18("2","3","7","3","2","3","1") = "6"
    & skf18("2","3","7","3","2","4","1") = "6"
    & skf18("2","3","7","3","2","5","1") = "6"
    & skf18("2","3","7","3","2","6","1") = "6"
    & skf18("2","3","7","3","2","7","1") = "6"
    & skf18("2","3","7","3","2","8","1") = "7"
    & skf18("2","3","7","3","2","9","1") = "8"
    & skf18("2","3","7","3","2","10","1") = "9"
    & skf18("2","3","7","3","3","1","1") = "6"
    & skf18("2","3","7","3","3","2","1") = "6"
    & skf18("2","3","7","3","3","3","1") = "6"
    & skf18("2","3","7","3","3","4","1") = "6"
    & skf18("2","3","7","3","3","5","1") = "6"
    & skf18("2","3","7","3","3","6","1") = "6"
    & skf18("2","3","7","3","3","7","1") = "6"
    & skf18("2","3","7","3","3","8","1") = "7"
    & skf18("2","3","7","3","3","9","1") = "8"
    & skf18("2","3","7","3","3","10","1") = "9"
    & skf18("2","3","7","3","4","1","1") = "6"
    & skf18("2","3","7","3","4","2","1") = "6"
    & skf18("2","3","7","3","4","3","1") = "6"
    & skf18("2","3","7","3","4","4","1") = "6"
    & skf18("2","3","7","3","4","5","1") = "6"
    & skf18("2","3","7","3","4","6","1") = "6"
    & skf18("2","3","7","3","4","7","1") = "6"
    & skf18("2","3","7","3","4","8","1") = "7"
    & skf18("2","3","7","3","4","9","1") = "8"
    & skf18("2","3","7","3","4","10","1") = "9"
    & skf18("2","3","7","3","5","1","1") = "6"
    & skf18("2","3","7","3","5","2","1") = "6"
    & skf18("2","3","7","3","5","3","1") = "6"
    & skf18("2","3","7","3","5","4","1") = "6"
    & skf18("2","3","7","3","5","5","1") = "6"
    & skf18("2","3","7","3","5","6","1") = "6"
    & skf18("2","3","7","3","5","7","1") = "6"
    & skf18("2","3","7","3","5","8","1") = "7"
    & skf18("2","3","7","3","5","9","1") = "8"
    & skf18("2","3","7","3","5","10","1") = "9"
    & skf18("2","3","7","3","6","1","1") = "6"
    & skf18("2","3","7","3","6","2","1") = "6"
    & skf18("2","3","7","3","6","3","1") = "6"
    & skf18("2","3","7","3","6","4","1") = "6"
    & skf18("2","3","7","3","6","5","1") = "6"
    & skf18("2","3","7","3","6","6","1") = "6"
    & skf18("2","3","7","3","6","7","1") = "6"
    & skf18("2","3","7","3","6","8","1") = "7"
    & skf18("2","3","7","3","6","9","1") = "8"
    & skf18("2","3","7","3","6","10","1") = "9"
    & skf18("2","3","7","3","7","1","1") = "6"
    & skf18("2","3","7","3","7","2","1") = "6"
    & skf18("2","3","7","3","7","3","1") = "6"
    & skf18("2","3","7","3","7","4","1") = "6"
    & skf18("2","3","7","3","7","5","1") = "6"
    & skf18("2","3","7","3","7","6","1") = "6"
    & skf18("2","3","7","3","7","7","1") = "6"
    & skf18("2","3","7","3","7","8","1") = "7"
    & skf18("2","3","7","3","7","9","1") = "8"
    & skf18("2","3","7","3","7","10","1") = "9"
    & skf18("2","3","7","3","8","1","1") = "7"
    & skf18("2","3","7","3","8","2","1") = "7"
    & skf18("2","3","7","3","8","3","1") = "7"
    & skf18("2","3","7","3","8","4","1") = "7"
    & skf18("2","3","7","3","8","5","1") = "7"
    & skf18("2","3","7","3","8","6","1") = "7"
    & skf18("2","3","7","3","8","7","1") = "7"
    & skf18("2","3","7","3","8","8","1") = "7"
    & skf18("2","3","7","3","8","9","1") = "8"
    & skf18("2","3","7","3","8","10","1") = "9"
    & skf18("2","3","7","3","9","1","1") = "8"
    & skf18("2","3","7","3","9","2","1") = "8"
    & skf18("2","3","7","3","9","3","1") = "8"
    & skf18("2","3","7","3","9","4","1") = "8"
    & skf18("2","3","7","3","9","5","1") = "8"
    & skf18("2","3","7","3","9","6","1") = "8"
    & skf18("2","3","7","3","9","7","1") = "8"
    & skf18("2","3","7","3","9","8","1") = "8"
    & skf18("2","3","7","3","9","9","1") = "8"
    & skf18("2","3","7","3","9","10","1") = "9"
    & skf18("2","3","7","3","10","1","1") = "9"
    & skf18("2","3","7","3","10","2","1") = "9"
    & skf18("2","3","7","3","10","3","1") = "9"
    & skf18("2","3","7","3","10","4","1") = "9"
    & skf18("2","3","7","3","10","5","1") = "9"
    & skf18("2","3","7","3","10","6","1") = "9"
    & skf18("2","3","7","3","10","7","1") = "9"
    & skf18("2","3","7","3","10","8","1") = "9"
    & skf18("2","3","7","3","10","9","1") = "9"
    & skf18("2","3","7","3","10","10","1") = "9"
    & skf18("2","3","7","4","1","1","1") = "6"
    & skf18("2","3","7","4","1","2","1") = "6"
    & skf18("2","3","7","4","1","3","1") = "6"
    & skf18("2","3","7","4","1","4","1") = "6"
    & skf18("2","3","7","4","1","5","1") = "6"
    & skf18("2","3","7","4","1","6","1") = "6"
    & skf18("2","3","7","4","1","7","1") = "6"
    & skf18("2","3","7","4","1","8","1") = "7"
    & skf18("2","3","7","4","1","9","1") = "8"
    & skf18("2","3","7","4","1","10","1") = "9"
    & skf18("2","3","7","4","2","1","1") = "6"
    & skf18("2","3","7","4","2","2","1") = "6"
    & skf18("2","3","7","4","2","3","1") = "6"
    & skf18("2","3","7","4","2","4","1") = "6"
    & skf18("2","3","7","4","2","5","1") = "6"
    & skf18("2","3","7","4","2","6","1") = "6"
    & skf18("2","3","7","4","2","7","1") = "6"
    & skf18("2","3","7","4","2","8","1") = "7"
    & skf18("2","3","7","4","2","9","1") = "8"
    & skf18("2","3","7","4","2","10","1") = "9"
    & skf18("2","3","7","4","3","1","1") = "6"
    & skf18("2","3","7","4","3","2","1") = "6"
    & skf18("2","3","7","4","3","3","1") = "6"
    & skf18("2","3","7","4","3","4","1") = "6"
    & skf18("2","3","7","4","3","5","1") = "6"
    & skf18("2","3","7","4","3","6","1") = "6"
    & skf18("2","3","7","4","3","7","1") = "6"
    & skf18("2","3","7","4","3","8","1") = "7"
    & skf18("2","3","7","4","3","9","1") = "8"
    & skf18("2","3","7","4","3","10","1") = "9"
    & skf18("2","3","7","4","4","1","1") = "6"
    & skf18("2","3","7","4","4","2","1") = "6"
    & skf18("2","3","7","4","4","3","1") = "6"
    & skf18("2","3","7","4","4","4","1") = "6"
    & skf18("2","3","7","4","4","5","1") = "6"
    & skf18("2","3","7","4","4","6","1") = "6"
    & skf18("2","3","7","4","4","7","1") = "6"
    & skf18("2","3","7","4","4","8","1") = "7"
    & skf18("2","3","7","4","4","9","1") = "8"
    & skf18("2","3","7","4","4","10","1") = "9"
    & skf18("2","3","7","4","5","1","1") = "6"
    & skf18("2","3","7","4","5","2","1") = "6"
    & skf18("2","3","7","4","5","3","1") = "6"
    & skf18("2","3","7","4","5","4","1") = "6"
    & skf18("2","3","7","4","5","5","1") = "6"
    & skf18("2","3","7","4","5","6","1") = "6"
    & skf18("2","3","7","4","5","7","1") = "6"
    & skf18("2","3","7","4","5","8","1") = "7"
    & skf18("2","3","7","4","5","9","1") = "8"
    & skf18("2","3","7","4","5","10","1") = "9"
    & skf18("2","3","7","4","6","1","1") = "6"
    & skf18("2","3","7","4","6","2","1") = "6"
    & skf18("2","3","7","4","6","3","1") = "6"
    & skf18("2","3","7","4","6","4","1") = "6"
    & skf18("2","3","7","4","6","5","1") = "6"
    & skf18("2","3","7","4","6","6","1") = "6"
    & skf18("2","3","7","4","6","7","1") = "6"
    & skf18("2","3","7","4","6","8","1") = "7"
    & skf18("2","3","7","4","6","9","1") = "8"
    & skf18("2","3","7","4","6","10","1") = "9"
    & skf18("2","3","7","4","7","1","1") = "6"
    & skf18("2","3","7","4","7","2","1") = "6"
    & skf18("2","3","7","4","7","3","1") = "6"
    & skf18("2","3","7","4","7","4","1") = "6"
    & skf18("2","3","7","4","7","5","1") = "6"
    & skf18("2","3","7","4","7","6","1") = "6"
    & skf18("2","3","7","4","7","7","1") = "6"
    & skf18("2","3","7","4","7","8","1") = "7"
    & skf18("2","3","7","4","7","9","1") = "8"
    & skf18("2","3","7","4","7","10","1") = "9"
    & skf18("2","3","7","4","8","1","1") = "7"
    & skf18("2","3","7","4","8","2","1") = "7"
    & skf18("2","3","7","4","8","3","1") = "7"
    & skf18("2","3","7","4","8","4","1") = "7"
    & skf18("2","3","7","4","8","5","1") = "7"
    & skf18("2","3","7","4","8","6","1") = "7"
    & skf18("2","3","7","4","8","7","1") = "7"
    & skf18("2","3","7","4","8","8","1") = "7"
    & skf18("2","3","7","4","8","9","1") = "8"
    & skf18("2","3","7","4","8","10","1") = "9"
    & skf18("2","3","7","4","9","1","1") = "8"
    & skf18("2","3","7","4","9","2","1") = "8"
    & skf18("2","3","7","4","9","3","1") = "8"
    & skf18("2","3","7","4","9","4","1") = "8"
    & skf18("2","3","7","4","9","5","1") = "8"
    & skf18("2","3","7","4","9","6","1") = "8"
    & skf18("2","3","7","4","9","7","1") = "8"
    & skf18("2","3","7","4","9","8","1") = "8"
    & skf18("2","3","7","4","9","9","1") = "8"
    & skf18("2","3","7","4","9","10","1") = "9"
    & skf18("2","3","7","4","10","1","1") = "9"
    & skf18("2","3","7","4","10","2","1") = "9"
    & skf18("2","3","7","4","10","3","1") = "9"
    & skf18("2","3","7","4","10","4","1") = "9"
    & skf18("2","3","7","4","10","5","1") = "9"
    & skf18("2","3","7","4","10","6","1") = "9"
    & skf18("2","3","7","4","10","7","1") = "9"
    & skf18("2","3","7","4","10","8","1") = "9"
    & skf18("2","3","7","4","10","9","1") = "9"
    & skf18("2","3","7","4","10","10","1") = "9"
    & skf18("2","3","7","5","1","1","1") = "6"
    & skf18("2","3","7","5","1","2","1") = "6"
    & skf18("2","3","7","5","1","3","1") = "6"
    & skf18("2","3","7","5","1","4","1") = "6"
    & skf18("2","3","7","5","1","5","1") = "6"
    & skf18("2","3","7","5","1","6","1") = "6"
    & skf18("2","3","7","5","1","7","1") = "6"
    & skf18("2","3","7","5","1","8","1") = "7"
    & skf18("2","3","7","5","1","9","1") = "8"
    & skf18("2","3","7","5","1","10","1") = "9"
    & skf18("2","3","7","5","2","1","1") = "6"
    & skf18("2","3","7","5","2","2","1") = "6"
    & skf18("2","3","7","5","2","3","1") = "6"
    & skf18("2","3","7","5","2","4","1") = "6"
    & skf18("2","3","7","5","2","5","1") = "6"
    & skf18("2","3","7","5","2","6","1") = "6"
    & skf18("2","3","7","5","2","7","1") = "6"
    & skf18("2","3","7","5","2","8","1") = "7"
    & skf18("2","3","7","5","2","9","1") = "8"
    & skf18("2","3","7","5","2","10","1") = "9"
    & skf18("2","3","7","5","3","1","1") = "6"
    & skf18("2","3","7","5","3","2","1") = "6"
    & skf18("2","3","7","5","3","3","1") = "6"
    & skf18("2","3","7","5","3","4","1") = "6"
    & skf18("2","3","7","5","3","5","1") = "6"
    & skf18("2","3","7","5","3","6","1") = "6"
    & skf18("2","3","7","5","3","7","1") = "6"
    & skf18("2","3","7","5","3","8","1") = "7"
    & skf18("2","3","7","5","3","9","1") = "8"
    & skf18("2","3","7","5","3","10","1") = "9"
    & skf18("2","3","7","5","4","1","1") = "6"
    & skf18("2","3","7","5","4","2","1") = "6"
    & skf18("2","3","7","5","4","3","1") = "6"
    & skf18("2","3","7","5","4","4","1") = "6"
    & skf18("2","3","7","5","4","5","1") = "6"
    & skf18("2","3","7","5","4","6","1") = "6"
    & skf18("2","3","7","5","4","7","1") = "6"
    & skf18("2","3","7","5","4","8","1") = "7"
    & skf18("2","3","7","5","4","9","1") = "8"
    & skf18("2","3","7","5","4","10","1") = "9"
    & skf18("2","3","7","5","5","1","1") = "6"
    & skf18("2","3","7","5","5","2","1") = "6"
    & skf18("2","3","7","5","5","3","1") = "6"
    & skf18("2","3","7","5","5","4","1") = "6"
    & skf18("2","3","7","5","5","5","1") = "6"
    & skf18("2","3","7","5","5","6","1") = "6"
    & skf18("2","3","7","5","5","7","1") = "6"
    & skf18("2","3","7","5","5","8","1") = "7"
    & skf18("2","3","7","5","5","9","1") = "8"
    & skf18("2","3","7","5","5","10","1") = "9"
    & skf18("2","3","7","5","6","1","1") = "6"
    & skf18("2","3","7","5","6","2","1") = "6"
    & skf18("2","3","7","5","6","3","1") = "6"
    & skf18("2","3","7","5","6","4","1") = "6"
    & skf18("2","3","7","5","6","5","1") = "6"
    & skf18("2","3","7","5","6","6","1") = "6"
    & skf18("2","3","7","5","6","7","1") = "6"
    & skf18("2","3","7","5","6","8","1") = "7"
    & skf18("2","3","7","5","6","9","1") = "8"
    & skf18("2","3","7","5","6","10","1") = "9"
    & skf18("2","3","7","5","7","1","1") = "6"
    & skf18("2","3","7","5","7","2","1") = "6"
    & skf18("2","3","7","5","7","3","1") = "6"
    & skf18("2","3","7","5","7","4","1") = "6"
    & skf18("2","3","7","5","7","5","1") = "6"
    & skf18("2","3","7","5","7","6","1") = "6"
    & skf18("2","3","7","5","7","7","1") = "6"
    & skf18("2","3","7","5","7","8","1") = "7"
    & skf18("2","3","7","5","7","9","1") = "8"
    & skf18("2","3","7","5","7","10","1") = "9"
    & skf18("2","3","7","5","8","1","1") = "7"
    & skf18("2","3","7","5","8","2","1") = "7"
    & skf18("2","3","7","5","8","3","1") = "7"
    & skf18("2","3","7","5","8","4","1") = "7"
    & skf18("2","3","7","5","8","5","1") = "7"
    & skf18("2","3","7","5","8","6","1") = "7"
    & skf18("2","3","7","5","8","7","1") = "7"
    & skf18("2","3","7","5","8","8","1") = "7"
    & skf18("2","3","7","5","8","9","1") = "8"
    & skf18("2","3","7","5","8","10","1") = "9"
    & skf18("2","3","7","5","9","1","1") = "8"
    & skf18("2","3","7","5","9","2","1") = "8"
    & skf18("2","3","7","5","9","3","1") = "8"
    & skf18("2","3","7","5","9","4","1") = "8"
    & skf18("2","3","7","5","9","5","1") = "8"
    & skf18("2","3","7","5","9","6","1") = "8"
    & skf18("2","3","7","5","9","7","1") = "8"
    & skf18("2","3","7","5","9","8","1") = "8"
    & skf18("2","3","7","5","9","9","1") = "8"
    & skf18("2","3","7","5","9","10","1") = "9"
    & skf18("2","3","7","5","10","1","1") = "9"
    & skf18("2","3","7","5","10","2","1") = "9"
    & skf18("2","3","7","5","10","3","1") = "9"
    & skf18("2","3","7","5","10","4","1") = "9"
    & skf18("2","3","7","5","10","5","1") = "9"
    & skf18("2","3","7","5","10","6","1") = "9"
    & skf18("2","3","7","5","10","7","1") = "9"
    & skf18("2","3","7","5","10","8","1") = "9"
    & skf18("2","3","7","5","10","9","1") = "9"
    & skf18("2","3","7","5","10","10","1") = "9"
    & skf18("2","3","7","6","1","1","1") = "6"
    & skf18("2","3","7","6","1","2","1") = "6"
    & skf18("2","3","7","6","1","3","1") = "6"
    & skf18("2","3","7","6","1","4","1") = "6"
    & skf18("2","3","7","6","1","5","1") = "6"
    & skf18("2","3","7","6","1","6","1") = "6"
    & skf18("2","3","7","6","1","7","1") = "6"
    & skf18("2","3","7","6","1","8","1") = "7"
    & skf18("2","3","7","6","1","9","1") = "8"
    & skf18("2","3","7","6","1","10","1") = "9"
    & skf18("2","3","7","6","2","1","1") = "6"
    & skf18("2","3","7","6","2","2","1") = "6"
    & skf18("2","3","7","6","2","3","1") = "6"
    & skf18("2","3","7","6","2","4","1") = "6"
    & skf18("2","3","7","6","2","5","1") = "6"
    & skf18("2","3","7","6","2","6","1") = "6"
    & skf18("2","3","7","6","2","7","1") = "6"
    & skf18("2","3","7","6","2","8","1") = "7"
    & skf18("2","3","7","6","2","9","1") = "8"
    & skf18("2","3","7","6","2","10","1") = "9"
    & skf18("2","3","7","6","3","1","1") = "6"
    & skf18("2","3","7","6","3","2","1") = "6"
    & skf18("2","3","7","6","3","3","1") = "6"
    & skf18("2","3","7","6","3","4","1") = "6"
    & skf18("2","3","7","6","3","5","1") = "6"
    & skf18("2","3","7","6","3","6","1") = "6"
    & skf18("2","3","7","6","3","7","1") = "6"
    & skf18("2","3","7","6","3","8","1") = "7"
    & skf18("2","3","7","6","3","9","1") = "8"
    & skf18("2","3","7","6","3","10","1") = "9"
    & skf18("2","3","7","6","4","1","1") = "6"
    & skf18("2","3","7","6","4","2","1") = "6"
    & skf18("2","3","7","6","4","3","1") = "6"
    & skf18("2","3","7","6","4","4","1") = "6"
    & skf18("2","3","7","6","4","5","1") = "6"
    & skf18("2","3","7","6","4","6","1") = "6"
    & skf18("2","3","7","6","4","7","1") = "6"
    & skf18("2","3","7","6","4","8","1") = "7"
    & skf18("2","3","7","6","4","9","1") = "8"
    & skf18("2","3","7","6","4","10","1") = "9"
    & skf18("2","3","7","6","5","1","1") = "6"
    & skf18("2","3","7","6","5","2","1") = "6"
    & skf18("2","3","7","6","5","3","1") = "6"
    & skf18("2","3","7","6","5","4","1") = "6"
    & skf18("2","3","7","6","5","5","1") = "6"
    & skf18("2","3","7","6","5","6","1") = "6"
    & skf18("2","3","7","6","5","7","1") = "6"
    & skf18("2","3","7","6","5","8","1") = "7"
    & skf18("2","3","7","6","5","9","1") = "8"
    & skf18("2","3","7","6","5","10","1") = "9"
    & skf18("2","3","7","6","6","1","1") = "6"
    & skf18("2","3","7","6","6","2","1") = "6"
    & skf18("2","3","7","6","6","3","1") = "6"
    & skf18("2","3","7","6","6","4","1") = "6"
    & skf18("2","3","7","6","6","5","1") = "6"
    & skf18("2","3","7","6","6","6","1") = "6"
    & skf18("2","3","7","6","6","7","1") = "6"
    & skf18("2","3","7","6","6","8","1") = "7"
    & skf18("2","3","7","6","6","9","1") = "8"
    & skf18("2","3","7","6","6","10","1") = "9"
    & skf18("2","3","7","6","7","1","1") = "6"
    & skf18("2","3","7","6","7","2","1") = "6"
    & skf18("2","3","7","6","7","3","1") = "6"
    & skf18("2","3","7","6","7","4","1") = "6"
    & skf18("2","3","7","6","7","5","1") = "6"
    & skf18("2","3","7","6","7","6","1") = "6"
    & skf18("2","3","7","6","7","7","1") = "6"
    & skf18("2","3","7","6","7","8","1") = "7"
    & skf18("2","3","7","6","7","9","1") = "8"
    & skf18("2","3","7","6","7","10","1") = "9"
    & skf18("2","3","7","6","8","1","1") = "7"
    & skf18("2","3","7","6","8","2","1") = "7"
    & skf18("2","3","7","6","8","3","1") = "7"
    & skf18("2","3","7","6","8","4","1") = "7"
    & skf18("2","3","7","6","8","5","1") = "7"
    & skf18("2","3","7","6","8","6","1") = "7"
    & skf18("2","3","7","6","8","7","1") = "7"
    & skf18("2","3","7","6","8","8","1") = "7"
    & skf18("2","3","7","6","8","9","1") = "8"
    & skf18("2","3","7","6","8","10","1") = "9"
    & skf18("2","3","7","6","9","1","1") = "8"
    & skf18("2","3","7","6","9","2","1") = "8"
    & skf18("2","3","7","6","9","3","1") = "8"
    & skf18("2","3","7","6","9","4","1") = "8"
    & skf18("2","3","7","6","9","5","1") = "8"
    & skf18("2","3","7","6","9","6","1") = "8"
    & skf18("2","3","7","6","9","7","1") = "8"
    & skf18("2","3","7","6","9","8","1") = "8"
    & skf18("2","3","7","6","9","9","1") = "8"
    & skf18("2","3","7","6","9","10","1") = "9"
    & skf18("2","3","7","6","10","1","1") = "9"
    & skf18("2","3","7","6","10","2","1") = "9"
    & skf18("2","3","7","6","10","3","1") = "9"
    & skf18("2","3","7","6","10","4","1") = "9"
    & skf18("2","3","7","6","10","5","1") = "9"
    & skf18("2","3","7","6","10","6","1") = "9"
    & skf18("2","3","7","6","10","7","1") = "9"
    & skf18("2","3","7","6","10","8","1") = "9"
    & skf18("2","3","7","6","10","9","1") = "9"
    & skf18("2","3","7","6","10","10","1") = "9"
    & skf18("2","3","7","7","1","1","1") = "6"
    & skf18("2","3","7","7","1","2","1") = "6"
    & skf18("2","3","7","7","1","3","1") = "6"
    & skf18("2","3","7","7","1","4","1") = "6"
    & skf18("2","3","7","7","1","5","1") = "6"
    & skf18("2","3","7","7","1","6","1") = "6"
    & skf18("2","3","7","7","1","7","1") = "6"
    & skf18("2","3","7","7","1","8","1") = "7"
    & skf18("2","3","7","7","1","9","1") = "8"
    & skf18("2","3","7","7","1","10","1") = "9"
    & skf18("2","3","7","7","2","1","1") = "6"
    & skf18("2","3","7","7","2","2","1") = "6"
    & skf18("2","3","7","7","2","3","1") = "6"
    & skf18("2","3","7","7","2","4","1") = "6"
    & skf18("2","3","7","7","2","5","1") = "6"
    & skf18("2","3","7","7","2","6","1") = "6"
    & skf18("2","3","7","7","2","7","1") = "6"
    & skf18("2","3","7","7","2","8","1") = "7"
    & skf18("2","3","7","7","2","9","1") = "8"
    & skf18("2","3","7","7","2","10","1") = "9"
    & skf18("2","3","7","7","3","1","1") = "6"
    & skf18("2","3","7","7","3","2","1") = "6"
    & skf18("2","3","7","7","3","3","1") = "6"
    & skf18("2","3","7","7","3","4","1") = "6"
    & skf18("2","3","7","7","3","5","1") = "6"
    & skf18("2","3","7","7","3","6","1") = "6"
    & skf18("2","3","7","7","3","7","1") = "6"
    & skf18("2","3","7","7","3","8","1") = "7"
    & skf18("2","3","7","7","3","9","1") = "8"
    & skf18("2","3","7","7","3","10","1") = "9"
    & skf18("2","3","7","7","4","1","1") = "6"
    & skf18("2","3","7","7","4","2","1") = "6"
    & skf18("2","3","7","7","4","3","1") = "6"
    & skf18("2","3","7","7","4","4","1") = "6"
    & skf18("2","3","7","7","4","5","1") = "6"
    & skf18("2","3","7","7","4","6","1") = "6"
    & skf18("2","3","7","7","4","7","1") = "6"
    & skf18("2","3","7","7","4","8","1") = "7"
    & skf18("2","3","7","7","4","9","1") = "8"
    & skf18("2","3","7","7","4","10","1") = "9"
    & skf18("2","3","7","7","5","1","1") = "6"
    & skf18("2","3","7","7","5","2","1") = "6"
    & skf18("2","3","7","7","5","3","1") = "6"
    & skf18("2","3","7","7","5","4","1") = "6"
    & skf18("2","3","7","7","5","5","1") = "6"
    & skf18("2","3","7","7","5","6","1") = "6"
    & skf18("2","3","7","7","5","7","1") = "6"
    & skf18("2","3","7","7","5","8","1") = "7"
    & skf18("2","3","7","7","5","9","1") = "8"
    & skf18("2","3","7","7","5","10","1") = "9"
    & skf18("2","3","7","7","6","1","1") = "6"
    & skf18("2","3","7","7","6","2","1") = "6"
    & skf18("2","3","7","7","6","3","1") = "6"
    & skf18("2","3","7","7","6","4","1") = "6"
    & skf18("2","3","7","7","6","5","1") = "6"
    & skf18("2","3","7","7","6","6","1") = "6"
    & skf18("2","3","7","7","6","7","1") = "6"
    & skf18("2","3","7","7","6","8","1") = "7"
    & skf18("2","3","7","7","6","9","1") = "8"
    & skf18("2","3","7","7","6","10","1") = "9"
    & skf18("2","3","7","7","7","1","1") = "6"
    & skf18("2","3","7","7","7","2","1") = "6"
    & skf18("2","3","7","7","7","3","1") = "6"
    & skf18("2","3","7","7","7","4","1") = "6"
    & skf18("2","3","7","7","7","5","1") = "6"
    & skf18("2","3","7","7","7","6","1") = "6"
    & skf18("2","3","7","7","7","7","1") = "6"
    & skf18("2","3","7","7","7","8","1") = "7"
    & skf18("2","3","7","7","7","9","1") = "8"
    & skf18("2","3","7","7","7","10","1") = "9"
    & skf18("2","3","7","7","8","1","1") = "7"
    & skf18("2","3","7","7","8","2","1") = "7"
    & skf18("2","3","7","7","8","3","1") = "7"
    & skf18("2","3","7","7","8","4","1") = "7"
    & skf18("2","3","7","7","8","5","1") = "7"
    & skf18("2","3","7","7","8","6","1") = "7"
    & skf18("2","3","7","7","8","7","1") = "7"
    & skf18("2","3","7","7","8","8","1") = "7"
    & skf18("2","3","7","7","8","9","1") = "8"
    & skf18("2","3","7","7","8","10","1") = "9"
    & skf18("2","3","7","7","9","1","1") = "8"
    & skf18("2","3","7","7","9","2","1") = "8"
    & skf18("2","3","7","7","9","3","1") = "8"
    & skf18("2","3","7","7","9","4","1") = "8"
    & skf18("2","3","7","7","9","5","1") = "8"
    & skf18("2","3","7","7","9","6","1") = "8"
    & skf18("2","3","7","7","9","7","1") = "8"
    & skf18("2","3","7","7","9","8","1") = "8"
    & skf18("2","3","7","7","9","9","1") = "8"
    & skf18("2","3","7","7","9","10","1") = "9"
    & skf18("2","3","7","7","10","1","1") = "9"
    & skf18("2","3","7","7","10","2","1") = "9"
    & skf18("2","3","7","7","10","3","1") = "9"
    & skf18("2","3","7","7","10","4","1") = "9"
    & skf18("2","3","7","7","10","5","1") = "9"
    & skf18("2","3","7","7","10","6","1") = "9"
    & skf18("2","3","7","7","10","7","1") = "9"
    & skf18("2","3","7","7","10","8","1") = "9"
    & skf18("2","3","7","7","10","9","1") = "9"
    & skf18("2","3","7","7","10","10","1") = "9"
    & skf18("2","3","7","8","1","1","1") = "7"
    & skf18("2","3","7","8","1","2","1") = "7"
    & skf18("2","3","7","8","1","3","1") = "7"
    & skf18("2","3","7","8","1","4","1") = "7"
    & skf18("2","3","7","8","1","5","1") = "7"
    & skf18("2","3","7","8","1","6","1") = "7"
    & skf18("2","3","7","8","1","7","1") = "7"
    & skf18("2","3","7","8","1","8","1") = "7"
    & skf18("2","3","7","8","1","9","1") = "8"
    & skf18("2","3","7","8","1","10","1") = "9"
    & skf18("2","3","7","8","2","1","1") = "7"
    & skf18("2","3","7","8","2","2","1") = "7"
    & skf18("2","3","7","8","2","3","1") = "7"
    & skf18("2","3","7","8","2","4","1") = "7"
    & skf18("2","3","7","8","2","5","1") = "7"
    & skf18("2","3","7","8","2","6","1") = "7"
    & skf18("2","3","7","8","2","7","1") = "7"
    & skf18("2","3","7","8","2","8","1") = "7"
    & skf18("2","3","7","8","2","9","1") = "8"
    & skf18("2","3","7","8","2","10","1") = "9"
    & skf18("2","3","7","8","3","1","1") = "7"
    & skf18("2","3","7","8","3","2","1") = "7"
    & skf18("2","3","7","8","3","3","1") = "7"
    & skf18("2","3","7","8","3","4","1") = "7"
    & skf18("2","3","7","8","3","5","1") = "7"
    & skf18("2","3","7","8","3","6","1") = "7"
    & skf18("2","3","7","8","3","7","1") = "7"
    & skf18("2","3","7","8","3","8","1") = "7"
    & skf18("2","3","7","8","3","9","1") = "8"
    & skf18("2","3","7","8","3","10","1") = "9"
    & skf18("2","3","7","8","4","1","1") = "7"
    & skf18("2","3","7","8","4","2","1") = "7"
    & skf18("2","3","7","8","4","3","1") = "7"
    & skf18("2","3","7","8","4","4","1") = "7"
    & skf18("2","3","7","8","4","5","1") = "7"
    & skf18("2","3","7","8","4","6","1") = "7"
    & skf18("2","3","7","8","4","7","1") = "7"
    & skf18("2","3","7","8","4","8","1") = "7"
    & skf18("2","3","7","8","4","9","1") = "8"
    & skf18("2","3","7","8","4","10","1") = "9"
    & skf18("2","3","7","8","5","1","1") = "7"
    & skf18("2","3","7","8","5","2","1") = "7"
    & skf18("2","3","7","8","5","3","1") = "7"
    & skf18("2","3","7","8","5","4","1") = "7"
    & skf18("2","3","7","8","5","5","1") = "7"
    & skf18("2","3","7","8","5","6","1") = "7"
    & skf18("2","3","7","8","5","7","1") = "7"
    & skf18("2","3","7","8","5","8","1") = "7"
    & skf18("2","3","7","8","5","9","1") = "8"
    & skf18("2","3","7","8","5","10","1") = "9"
    & skf18("2","3","7","8","6","1","1") = "7"
    & skf18("2","3","7","8","6","2","1") = "7"
    & skf18("2","3","7","8","6","3","1") = "7"
    & skf18("2","3","7","8","6","4","1") = "7"
    & skf18("2","3","7","8","6","5","1") = "7"
    & skf18("2","3","7","8","6","6","1") = "7"
    & skf18("2","3","7","8","6","7","1") = "7"
    & skf18("2","3","7","8","6","8","1") = "7"
    & skf18("2","3","7","8","6","9","1") = "8"
    & skf18("2","3","7","8","6","10","1") = "9"
    & skf18("2","3","7","8","7","1","1") = "7"
    & skf18("2","3","7","8","7","2","1") = "7"
    & skf18("2","3","7","8","7","3","1") = "7"
    & skf18("2","3","7","8","7","4","1") = "7"
    & skf18("2","3","7","8","7","5","1") = "7"
    & skf18("2","3","7","8","7","6","1") = "7"
    & skf18("2","3","7","8","7","7","1") = "7"
    & skf18("2","3","7","8","7","8","1") = "7"
    & skf18("2","3","7","8","7","9","1") = "8"
    & skf18("2","3","7","8","7","10","1") = "9"
    & skf18("2","3","7","8","8","1","1") = "7"
    & skf18("2","3","7","8","8","2","1") = "7"
    & skf18("2","3","7","8","8","3","1") = "7"
    & skf18("2","3","7","8","8","4","1") = "7"
    & skf18("2","3","7","8","8","5","1") = "7"
    & skf18("2","3","7","8","8","6","1") = "7"
    & skf18("2","3","7","8","8","7","1") = "7"
    & skf18("2","3","7","8","8","8","1") = "7"
    & skf18("2","3","7","8","8","9","1") = "8"
    & skf18("2","3","7","8","8","10","1") = "9"
    & skf18("2","3","7","8","9","1","1") = "8"
    & skf18("2","3","7","8","9","2","1") = "8"
    & skf18("2","3","7","8","9","3","1") = "8"
    & skf18("2","3","7","8","9","4","1") = "8"
    & skf18("2","3","7","8","9","5","1") = "8"
    & skf18("2","3","7","8","9","6","1") = "8"
    & skf18("2","3","7","8","9","7","1") = "8"
    & skf18("2","3","7","8","9","8","1") = "8"
    & skf18("2","3","7","8","9","9","1") = "8"
    & skf18("2","3","7","8","9","10","1") = "9"
    & skf18("2","3","7","8","10","1","1") = "9"
    & skf18("2","3","7","8","10","2","1") = "9"
    & skf18("2","3","7","8","10","3","1") = "9"
    & skf18("2","3","7","8","10","4","1") = "9"
    & skf18("2","3","7","8","10","5","1") = "9"
    & skf18("2","3","7","8","10","6","1") = "9"
    & skf18("2","3","7","8","10","7","1") = "9"
    & skf18("2","3","7","8","10","8","1") = "9"
    & skf18("2","3","7","8","10","9","1") = "9"
    & skf18("2","3","7","8","10","10","1") = "9"
    & skf18("2","3","7","9","1","1","1") = "8"
    & skf18("2","3","7","9","1","2","1") = "8"
    & skf18("2","3","7","9","1","3","1") = "8"
    & skf18("2","3","7","9","1","4","1") = "8"
    & skf18("2","3","7","9","1","5","1") = "8"
    & skf18("2","3","7","9","1","6","1") = "8"
    & skf18("2","3","7","9","1","7","1") = "8"
    & skf18("2","3","7","9","1","8","1") = "8"
    & skf18("2","3","7","9","1","9","1") = "8"
    & skf18("2","3","7","9","1","10","1") = "9"
    & skf18("2","3","7","9","2","1","1") = "8"
    & skf18("2","3","7","9","2","2","1") = "8"
    & skf18("2","3","7","9","2","3","1") = "8"
    & skf18("2","3","7","9","2","4","1") = "8"
    & skf18("2","3","7","9","2","5","1") = "8"
    & skf18("2","3","7","9","2","6","1") = "8"
    & skf18("2","3","7","9","2","7","1") = "8"
    & skf18("2","3","7","9","2","8","1") = "8"
    & skf18("2","3","7","9","2","9","1") = "8"
    & skf18("2","3","7","9","2","10","1") = "9"
    & skf18("2","3","7","9","3","1","1") = "8"
    & skf18("2","3","7","9","3","2","1") = "8"
    & skf18("2","3","7","9","3","3","1") = "8"
    & skf18("2","3","7","9","3","4","1") = "8"
    & skf18("2","3","7","9","3","5","1") = "8"
    & skf18("2","3","7","9","3","6","1") = "8"
    & skf18("2","3","7","9","3","7","1") = "8"
    & skf18("2","3","7","9","3","8","1") = "8"
    & skf18("2","3","7","9","3","9","1") = "8"
    & skf18("2","3","7","9","3","10","1") = "9"
    & skf18("2","3","7","9","4","1","1") = "8"
    & skf18("2","3","7","9","4","2","1") = "8"
    & skf18("2","3","7","9","4","3","1") = "8"
    & skf18("2","3","7","9","4","4","1") = "8"
    & skf18("2","3","7","9","4","5","1") = "8"
    & skf18("2","3","7","9","4","6","1") = "8"
    & skf18("2","3","7","9","4","7","1") = "8"
    & skf18("2","3","7","9","4","8","1") = "8"
    & skf18("2","3","7","9","4","9","1") = "8"
    & skf18("2","3","7","9","4","10","1") = "9"
    & skf18("2","3","7","9","5","1","1") = "8"
    & skf18("2","3","7","9","5","2","1") = "8"
    & skf18("2","3","7","9","5","3","1") = "8"
    & skf18("2","3","7","9","5","4","1") = "8"
    & skf18("2","3","7","9","5","5","1") = "8"
    & skf18("2","3","7","9","5","6","1") = "8"
    & skf18("2","3","7","9","5","7","1") = "8"
    & skf18("2","3","7","9","5","8","1") = "8"
    & skf18("2","3","7","9","5","9","1") = "8"
    & skf18("2","3","7","9","5","10","1") = "9"
    & skf18("2","3","7","9","6","1","1") = "8"
    & skf18("2","3","7","9","6","2","1") = "8"
    & skf18("2","3","7","9","6","3","1") = "8"
    & skf18("2","3","7","9","6","4","1") = "8"
    & skf18("2","3","7","9","6","5","1") = "8"
    & skf18("2","3","7","9","6","6","1") = "8"
    & skf18("2","3","7","9","6","7","1") = "8"
    & skf18("2","3","7","9","6","8","1") = "8"
    & skf18("2","3","7","9","6","9","1") = "8"
    & skf18("2","3","7","9","6","10","1") = "9"
    & skf18("2","3","7","9","7","1","1") = "8"
    & skf18("2","3","7","9","7","2","1") = "8"
    & skf18("2","3","7","9","7","3","1") = "8"
    & skf18("2","3","7","9","7","4","1") = "8"
    & skf18("2","3","7","9","7","5","1") = "8"
    & skf18("2","3","7","9","7","6","1") = "8"
    & skf18("2","3","7","9","7","7","1") = "8"
    & skf18("2","3","7","9","7","8","1") = "8"
    & skf18("2","3","7","9","7","9","1") = "8"
    & skf18("2","3","7","9","7","10","1") = "9"
    & skf18("2","3","7","9","8","1","1") = "8"
    & skf18("2","3","7","9","8","2","1") = "8"
    & skf18("2","3","7","9","8","3","1") = "8"
    & skf18("2","3","7","9","8","4","1") = "8"
    & skf18("2","3","7","9","8","5","1") = "8"
    & skf18("2","3","7","9","8","6","1") = "8"
    & skf18("2","3","7","9","8","7","1") = "8"
    & skf18("2","3","7","9","8","8","1") = "8"
    & skf18("2","3","7","9","8","9","1") = "8"
    & skf18("2","3","7","9","8","10","1") = "9"
    & skf18("2","3","7","9","9","1","1") = "8"
    & skf18("2","3","7","9","9","2","1") = "8"
    & skf18("2","3","7","9","9","3","1") = "8"
    & skf18("2","3","7","9","9","4","1") = "8"
    & skf18("2","3","7","9","9","5","1") = "8"
    & skf18("2","3","7","9","9","6","1") = "8"
    & skf18("2","3","7","9","9","7","1") = "8"
    & skf18("2","3","7","9","9","8","1") = "8"
    & skf18("2","3","7","9","9","9","1") = "8"
    & skf18("2","3","7","9","9","10","1") = "9"
    & skf18("2","3","7","9","10","1","1") = "9"
    & skf18("2","3","7","9","10","2","1") = "9"
    & skf18("2","3","7","9","10","3","1") = "9"
    & skf18("2","3","7","9","10","4","1") = "9"
    & skf18("2","3","7","9","10","5","1") = "9"
    & skf18("2","3","7","9","10","6","1") = "9"
    & skf18("2","3","7","9","10","7","1") = "9"
    & skf18("2","3","7","9","10","8","1") = "9"
    & skf18("2","3","7","9","10","9","1") = "9"
    & skf18("2","3","7","9","10","10","1") = "9"
    & skf18("2","3","7","10","1","1","1") = "9"
    & skf18("2","3","7","10","1","2","1") = "9"
    & skf18("2","3","7","10","1","3","1") = "9"
    & skf18("2","3","7","10","1","4","1") = "9"
    & skf18("2","3","7","10","1","5","1") = "9"
    & skf18("2","3","7","10","1","6","1") = "9"
    & skf18("2","3","7","10","1","7","1") = "9"
    & skf18("2","3","7","10","1","8","1") = "9"
    & skf18("2","3","7","10","1","9","1") = "9"
    & skf18("2","3","7","10","1","10","1") = "9"
    & skf18("2","3","7","10","2","1","1") = "9"
    & skf18("2","3","7","10","2","2","1") = "9"
    & skf18("2","3","7","10","2","3","1") = "9"
    & skf18("2","3","7","10","2","4","1") = "9"
    & skf18("2","3","7","10","2","5","1") = "9"
    & skf18("2","3","7","10","2","6","1") = "9"
    & skf18("2","3","7","10","2","7","1") = "9"
    & skf18("2","3","7","10","2","8","1") = "9"
    & skf18("2","3","7","10","2","9","1") = "9"
    & skf18("2","3","7","10","2","10","1") = "9"
    & skf18("2","3","7","10","3","1","1") = "9"
    & skf18("2","3","7","10","3","2","1") = "9"
    & skf18("2","3","7","10","3","3","1") = "9"
    & skf18("2","3","7","10","3","4","1") = "9"
    & skf18("2","3","7","10","3","5","1") = "9"
    & skf18("2","3","7","10","3","6","1") = "9"
    & skf18("2","3","7","10","3","7","1") = "9"
    & skf18("2","3","7","10","3","8","1") = "9"
    & skf18("2","3","7","10","3","9","1") = "9"
    & skf18("2","3","7","10","3","10","1") = "9"
    & skf18("2","3","7","10","4","1","1") = "9"
    & skf18("2","3","7","10","4","2","1") = "9"
    & skf18("2","3","7","10","4","3","1") = "9"
    & skf18("2","3","7","10","4","4","1") = "9"
    & skf18("2","3","7","10","4","5","1") = "9"
    & skf18("2","3","7","10","4","6","1") = "9"
    & skf18("2","3","7","10","4","7","1") = "9"
    & skf18("2","3","7","10","4","8","1") = "9"
    & skf18("2","3","7","10","4","9","1") = "9"
    & skf18("2","3","7","10","4","10","1") = "9"
    & skf18("2","3","7","10","5","1","1") = "9"
    & skf18("2","3","7","10","5","2","1") = "9"
    & skf18("2","3","7","10","5","3","1") = "9"
    & skf18("2","3","7","10","5","4","1") = "9"
    & skf18("2","3","7","10","5","5","1") = "9"
    & skf18("2","3","7","10","5","6","1") = "9"
    & skf18("2","3","7","10","5","7","1") = "9"
    & skf18("2","3","7","10","5","8","1") = "9"
    & skf18("2","3","7","10","5","9","1") = "9"
    & skf18("2","3","7","10","5","10","1") = "9"
    & skf18("2","3","7","10","6","1","1") = "9"
    & skf18("2","3","7","10","6","2","1") = "9"
    & skf18("2","3","7","10","6","3","1") = "9"
    & skf18("2","3","7","10","6","4","1") = "9"
    & skf18("2","3","7","10","6","5","1") = "9"
    & skf18("2","3","7","10","6","6","1") = "9"
    & skf18("2","3","7","10","6","7","1") = "9"
    & skf18("2","3","7","10","6","8","1") = "9"
    & skf18("2","3","7","10","6","9","1") = "9"
    & skf18("2","3","7","10","6","10","1") = "9"
    & skf18("2","3","7","10","7","1","1") = "9"
    & skf18("2","3","7","10","7","2","1") = "9"
    & skf18("2","3","7","10","7","3","1") = "9"
    & skf18("2","3","7","10","7","4","1") = "9"
    & skf18("2","3","7","10","7","5","1") = "9"
    & skf18("2","3","7","10","7","6","1") = "9"
    & skf18("2","3","7","10","7","7","1") = "9"
    & skf18("2","3","7","10","7","8","1") = "9"
    & skf18("2","3","7","10","7","9","1") = "9"
    & skf18("2","3","7","10","7","10","1") = "9"
    & skf18("2","3","7","10","8","1","1") = "9"
    & skf18("2","3","7","10","8","2","1") = "9"
    & skf18("2","3","7","10","8","3","1") = "9"
    & skf18("2","3","7","10","8","4","1") = "9"
    & skf18("2","3","7","10","8","5","1") = "9"
    & skf18("2","3","7","10","8","6","1") = "9"
    & skf18("2","3","7","10","8","7","1") = "9"
    & skf18("2","3","7","10","8","8","1") = "9"
    & skf18("2","3","7","10","8","9","1") = "9"
    & skf18("2","3","7","10","8","10","1") = "9"
    & skf18("2","3","7","10","9","1","1") = "9"
    & skf18("2","3","7","10","9","2","1") = "9"
    & skf18("2","3","7","10","9","3","1") = "9"
    & skf18("2","3","7","10","9","4","1") = "9"
    & skf18("2","3","7","10","9","5","1") = "9"
    & skf18("2","3","7","10","9","6","1") = "9"
    & skf18("2","3","7","10","9","7","1") = "9"
    & skf18("2","3","7","10","9","8","1") = "9"
    & skf18("2","3","7","10","9","9","1") = "9"
    & skf18("2","3","7","10","9","10","1") = "9"
    & skf18("2","3","7","10","10","1","1") = "9"
    & skf18("2","3","7","10","10","2","1") = "9"
    & skf18("2","3","7","10","10","3","1") = "9"
    & skf18("2","3","7","10","10","4","1") = "9"
    & skf18("2","3","7","10","10","5","1") = "9"
    & skf18("2","3","7","10","10","6","1") = "9"
    & skf18("2","3","7","10","10","7","1") = "9"
    & skf18("2","3","7","10","10","8","1") = "9"
    & skf18("2","3","7","10","10","9","1") = "9"
    & skf18("2","3","7","10","10","10","1") = "9"
    & skf18("2","3","8","1","1","1","1") = "7"
    & skf18("2","3","8","1","1","2","1") = "7"
    & skf18("2","3","8","1","1","3","1") = "7"
    & skf18("2","3","8","1","1","4","1") = "7"
    & skf18("2","3","8","1","1","5","1") = "7"
    & skf18("2","3","8","1","1","6","1") = "7"
    & skf18("2","3","8","1","1","7","1") = "7"
    & skf18("2","3","8","1","1","8","1") = "7"
    & skf18("2","3","8","1","1","9","1") = "8"
    & skf18("2","3","8","1","1","10","1") = "9"
    & skf18("2","3","8","1","2","1","1") = "7"
    & skf18("2","3","8","1","2","2","1") = "7"
    & skf18("2","3","8","1","2","3","1") = "7"
    & skf18("2","3","8","1","2","4","1") = "7"
    & skf18("2","3","8","1","2","5","1") = "7"
    & skf18("2","3","8","1","2","6","1") = "7"
    & skf18("2","3","8","1","2","7","1") = "7"
    & skf18("2","3","8","1","2","8","1") = "7"
    & skf18("2","3","8","1","2","9","1") = "8"
    & skf18("2","3","8","1","2","10","1") = "9"
    & skf18("2","3","8","1","3","1","1") = "7"
    & skf18("2","3","8","1","3","2","1") = "7"
    & skf18("2","3","8","1","3","3","1") = "7"
    & skf18("2","3","8","1","3","4","1") = "7"
    & skf18("2","3","8","1","3","5","1") = "7"
    & skf18("2","3","8","1","3","6","1") = "7"
    & skf18("2","3","8","1","3","7","1") = "7"
    & skf18("2","3","8","1","3","8","1") = "7"
    & skf18("2","3","8","1","3","9","1") = "8"
    & skf18("2","3","8","1","3","10","1") = "9"
    & skf18("2","3","8","1","4","1","1") = "7"
    & skf18("2","3","8","1","4","2","1") = "7"
    & skf18("2","3","8","1","4","3","1") = "7"
    & skf18("2","3","8","1","4","4","1") = "7"
    & skf18("2","3","8","1","4","5","1") = "7"
    & skf18("2","3","8","1","4","6","1") = "7"
    & skf18("2","3","8","1","4","7","1") = "7"
    & skf18("2","3","8","1","4","8","1") = "7"
    & skf18("2","3","8","1","4","9","1") = "8"
    & skf18("2","3","8","1","4","10","1") = "9"
    & skf18("2","3","8","1","5","1","1") = "7"
    & skf18("2","3","8","1","5","2","1") = "7"
    & skf18("2","3","8","1","5","3","1") = "7"
    & skf18("2","3","8","1","5","4","1") = "7"
    & skf18("2","3","8","1","5","5","1") = "7"
    & skf18("2","3","8","1","5","6","1") = "7"
    & skf18("2","3","8","1","5","7","1") = "7"
    & skf18("2","3","8","1","5","8","1") = "7"
    & skf18("2","3","8","1","5","9","1") = "8"
    & skf18("2","3","8","1","5","10","1") = "9"
    & skf18("2","3","8","1","6","1","1") = "7"
    & skf18("2","3","8","1","6","2","1") = "7"
    & skf18("2","3","8","1","6","3","1") = "7"
    & skf18("2","3","8","1","6","4","1") = "7"
    & skf18("2","3","8","1","6","5","1") = "7"
    & skf18("2","3","8","1","6","6","1") = "7"
    & skf18("2","3","8","1","6","7","1") = "7"
    & skf18("2","3","8","1","6","8","1") = "7"
    & skf18("2","3","8","1","6","9","1") = "8"
    & skf18("2","3","8","1","6","10","1") = "9"
    & skf18("2","3","8","1","7","1","1") = "7"
    & skf18("2","3","8","1","7","2","1") = "7"
    & skf18("2","3","8","1","7","3","1") = "7"
    & skf18("2","3","8","1","7","4","1") = "7"
    & skf18("2","3","8","1","7","5","1") = "7"
    & skf18("2","3","8","1","7","6","1") = "7"
    & skf18("2","3","8","1","7","7","1") = "7"
    & skf18("2","3","8","1","7","8","1") = "7"
    & skf18("2","3","8","1","7","9","1") = "8"
    & skf18("2","3","8","1","7","10","1") = "9"
    & skf18("2","3","8","1","8","1","1") = "7"
    & skf18("2","3","8","1","8","2","1") = "7"
    & skf18("2","3","8","1","8","3","1") = "7"
    & skf18("2","3","8","1","8","4","1") = "7"
    & skf18("2","3","8","1","8","5","1") = "7"
    & skf18("2","3","8","1","8","6","1") = "7"
    & skf18("2","3","8","1","8","7","1") = "7"
    & skf18("2","3","8","1","8","8","1") = "7"
    & skf18("2","3","8","1","8","9","1") = "8"
    & skf18("2","3","8","1","8","10","1") = "9"
    & skf18("2","3","8","1","9","1","1") = "8"
    & skf18("2","3","8","1","9","2","1") = "8"
    & skf18("2","3","8","1","9","3","1") = "8"
    & skf18("2","3","8","1","9","4","1") = "8"
    & skf18("2","3","8","1","9","5","1") = "8"
    & skf18("2","3","8","1","9","6","1") = "8"
    & skf18("2","3","8","1","9","7","1") = "8"
    & skf18("2","3","8","1","9","8","1") = "8"
    & skf18("2","3","8","1","9","9","1") = "8"
    & skf18("2","3","8","1","9","10","1") = "9"
    & skf18("2","3","8","1","10","1","1") = "9"
    & skf18("2","3","8","1","10","2","1") = "9"
    & skf18("2","3","8","1","10","3","1") = "9"
    & skf18("2","3","8","1","10","4","1") = "9"
    & skf18("2","3","8","1","10","5","1") = "9"
    & skf18("2","3","8","1","10","6","1") = "9"
    & skf18("2","3","8","1","10","7","1") = "9"
    & skf18("2","3","8","1","10","8","1") = "9"
    & skf18("2","3","8","1","10","9","1") = "9"
    & skf18("2","3","8","1","10","10","1") = "9"
    & skf18("2","3","8","2","1","1","1") = "7"
    & skf18("2","3","8","2","1","2","1") = "7"
    & skf18("2","3","8","2","1","3","1") = "7"
    & skf18("2","3","8","2","1","4","1") = "7"
    & skf18("2","3","8","2","1","5","1") = "7"
    & skf18("2","3","8","2","1","6","1") = "7"
    & skf18("2","3","8","2","1","7","1") = "7"
    & skf18("2","3","8","2","1","8","1") = "7"
    & skf18("2","3","8","2","1","9","1") = "8"
    & skf18("2","3","8","2","1","10","1") = "9"
    & skf18("2","3","8","2","2","1","1") = "7"
    & skf18("2","3","8","2","2","2","1") = "7"
    & skf18("2","3","8","2","2","3","1") = "7"
    & skf18("2","3","8","2","2","4","1") = "7"
    & skf18("2","3","8","2","2","5","1") = "7"
    & skf18("2","3","8","2","2","6","1") = "7"
    & skf18("2","3","8","2","2","7","1") = "7"
    & skf18("2","3","8","2","2","8","1") = "7"
    & skf18("2","3","8","2","2","9","1") = "8"
    & skf18("2","3","8","2","2","10","1") = "9"
    & skf18("2","3","8","2","3","1","1") = "7"
    & skf18("2","3","8","2","3","2","1") = "7"
    & skf18("2","3","8","2","3","3","1") = "7"
    & skf18("2","3","8","2","3","4","1") = "7"
    & skf18("2","3","8","2","3","5","1") = "7"
    & skf18("2","3","8","2","3","6","1") = "7"
    & skf18("2","3","8","2","3","7","1") = "7"
    & skf18("2","3","8","2","3","8","1") = "7"
    & skf18("2","3","8","2","3","9","1") = "8"
    & skf18("2","3","8","2","3","10","1") = "9"
    & skf18("2","3","8","2","4","1","1") = "7"
    & skf18("2","3","8","2","4","2","1") = "7"
    & skf18("2","3","8","2","4","3","1") = "7"
    & skf18("2","3","8","2","4","4","1") = "7"
    & skf18("2","3","8","2","4","5","1") = "7"
    & skf18("2","3","8","2","4","6","1") = "7"
    & skf18("2","3","8","2","4","7","1") = "7"
    & skf18("2","3","8","2","4","8","1") = "7"
    & skf18("2","3","8","2","4","9","1") = "8"
    & skf18("2","3","8","2","4","10","1") = "9"
    & skf18("2","3","8","2","5","1","1") = "7"
    & skf18("2","3","8","2","5","2","1") = "7"
    & skf18("2","3","8","2","5","3","1") = "7"
    & skf18("2","3","8","2","5","4","1") = "7"
    & skf18("2","3","8","2","5","5","1") = "7"
    & skf18("2","3","8","2","5","6","1") = "7"
    & skf18("2","3","8","2","5","7","1") = "7"
    & skf18("2","3","8","2","5","8","1") = "7"
    & skf18("2","3","8","2","5","9","1") = "8"
    & skf18("2","3","8","2","5","10","1") = "9"
    & skf18("2","3","8","2","6","1","1") = "7"
    & skf18("2","3","8","2","6","2","1") = "7"
    & skf18("2","3","8","2","6","3","1") = "7"
    & skf18("2","3","8","2","6","4","1") = "7"
    & skf18("2","3","8","2","6","5","1") = "7"
    & skf18("2","3","8","2","6","6","1") = "7"
    & skf18("2","3","8","2","6","7","1") = "7"
    & skf18("2","3","8","2","6","8","1") = "7"
    & skf18("2","3","8","2","6","9","1") = "8"
    & skf18("2","3","8","2","6","10","1") = "9"
    & skf18("2","3","8","2","7","1","1") = "7"
    & skf18("2","3","8","2","7","2","1") = "7"
    & skf18("2","3","8","2","7","3","1") = "7"
    & skf18("2","3","8","2","7","4","1") = "7"
    & skf18("2","3","8","2","7","5","1") = "7"
    & skf18("2","3","8","2","7","6","1") = "7"
    & skf18("2","3","8","2","7","7","1") = "7"
    & skf18("2","3","8","2","7","8","1") = "7"
    & skf18("2","3","8","2","7","9","1") = "8"
    & skf18("2","3","8","2","7","10","1") = "9"
    & skf18("2","3","8","2","8","1","1") = "7"
    & skf18("2","3","8","2","8","2","1") = "7"
    & skf18("2","3","8","2","8","3","1") = "7"
    & skf18("2","3","8","2","8","4","1") = "7"
    & skf18("2","3","8","2","8","5","1") = "7"
    & skf18("2","3","8","2","8","6","1") = "7"
    & skf18("2","3","8","2","8","7","1") = "7"
    & skf18("2","3","8","2","8","8","1") = "7"
    & skf18("2","3","8","2","8","9","1") = "8"
    & skf18("2","3","8","2","8","10","1") = "9"
    & skf18("2","3","8","2","9","1","1") = "8"
    & skf18("2","3","8","2","9","2","1") = "8"
    & skf18("2","3","8","2","9","3","1") = "8"
    & skf18("2","3","8","2","9","4","1") = "8"
    & skf18("2","3","8","2","9","5","1") = "8"
    & skf18("2","3","8","2","9","6","1") = "8"
    & skf18("2","3","8","2","9","7","1") = "8"
    & skf18("2","3","8","2","9","8","1") = "8"
    & skf18("2","3","8","2","9","9","1") = "8"
    & skf18("2","3","8","2","9","10","1") = "9"
    & skf18("2","3","8","2","10","1","1") = "9"
    & skf18("2","3","8","2","10","2","1") = "9"
    & skf18("2","3","8","2","10","3","1") = "9"
    & skf18("2","3","8","2","10","4","1") = "9"
    & skf18("2","3","8","2","10","5","1") = "9"
    & skf18("2","3","8","2","10","6","1") = "9"
    & skf18("2","3","8","2","10","7","1") = "9"
    & skf18("2","3","8","2","10","8","1") = "9"
    & skf18("2","3","8","2","10","9","1") = "9"
    & skf18("2","3","8","2","10","10","1") = "9"
    & skf18("2","3","8","3","1","1","1") = "7"
    & skf18("2","3","8","3","1","2","1") = "7"
    & skf18("2","3","8","3","1","3","1") = "7"
    & skf18("2","3","8","3","1","4","1") = "7"
    & skf18("2","3","8","3","1","5","1") = "7"
    & skf18("2","3","8","3","1","6","1") = "7"
    & skf18("2","3","8","3","1","7","1") = "7"
    & skf18("2","3","8","3","1","8","1") = "7"
    & skf18("2","3","8","3","1","9","1") = "8"
    & skf18("2","3","8","3","1","10","1") = "9"
    & skf18("2","3","8","3","2","1","1") = "7"
    & skf18("2","3","8","3","2","2","1") = "7"
    & skf18("2","3","8","3","2","3","1") = "7"
    & skf18("2","3","8","3","2","4","1") = "7"
    & skf18("2","3","8","3","2","5","1") = "7"
    & skf18("2","3","8","3","2","6","1") = "7"
    & skf18("2","3","8","3","2","7","1") = "7"
    & skf18("2","3","8","3","2","8","1") = "7"
    & skf18("2","3","8","3","2","9","1") = "8"
    & skf18("2","3","8","3","2","10","1") = "9"
    & skf18("2","3","8","3","3","1","1") = "7"
    & skf18("2","3","8","3","3","2","1") = "7"
    & skf18("2","3","8","3","3","3","1") = "7"
    & skf18("2","3","8","3","3","4","1") = "7"
    & skf18("2","3","8","3","3","5","1") = "7"
    & skf18("2","3","8","3","3","6","1") = "7"
    & skf18("2","3","8","3","3","7","1") = "7"
    & skf18("2","3","8","3","3","8","1") = "7"
    & skf18("2","3","8","3","3","9","1") = "8"
    & skf18("2","3","8","3","3","10","1") = "9"
    & skf18("2","3","8","3","4","1","1") = "7"
    & skf18("2","3","8","3","4","2","1") = "7"
    & skf18("2","3","8","3","4","3","1") = "7"
    & skf18("2","3","8","3","4","4","1") = "7"
    & skf18("2","3","8","3","4","5","1") = "7"
    & skf18("2","3","8","3","4","6","1") = "7"
    & skf18("2","3","8","3","4","7","1") = "7"
    & skf18("2","3","8","3","4","8","1") = "7"
    & skf18("2","3","8","3","4","9","1") = "8"
    & skf18("2","3","8","3","4","10","1") = "9"
    & skf18("2","3","8","3","5","1","1") = "7"
    & skf18("2","3","8","3","5","2","1") = "7"
    & skf18("2","3","8","3","5","3","1") = "7"
    & skf18("2","3","8","3","5","4","1") = "7"
    & skf18("2","3","8","3","5","5","1") = "7"
    & skf18("2","3","8","3","5","6","1") = "7"
    & skf18("2","3","8","3","5","7","1") = "7"
    & skf18("2","3","8","3","5","8","1") = "7"
    & skf18("2","3","8","3","5","9","1") = "8"
    & skf18("2","3","8","3","5","10","1") = "9"
    & skf18("2","3","8","3","6","1","1") = "7"
    & skf18("2","3","8","3","6","2","1") = "7"
    & skf18("2","3","8","3","6","3","1") = "7"
    & skf18("2","3","8","3","6","4","1") = "7"
    & skf18("2","3","8","3","6","5","1") = "7"
    & skf18("2","3","8","3","6","6","1") = "7"
    & skf18("2","3","8","3","6","7","1") = "7"
    & skf18("2","3","8","3","6","8","1") = "7"
    & skf18("2","3","8","3","6","9","1") = "8"
    & skf18("2","3","8","3","6","10","1") = "9"
    & skf18("2","3","8","3","7","1","1") = "7"
    & skf18("2","3","8","3","7","2","1") = "7"
    & skf18("2","3","8","3","7","3","1") = "7"
    & skf18("2","3","8","3","7","4","1") = "7"
    & skf18("2","3","8","3","7","5","1") = "7"
    & skf18("2","3","8","3","7","6","1") = "7"
    & skf18("2","3","8","3","7","7","1") = "7"
    & skf18("2","3","8","3","7","8","1") = "7"
    & skf18("2","3","8","3","7","9","1") = "8"
    & skf18("2","3","8","3","7","10","1") = "9"
    & skf18("2","3","8","3","8","1","1") = "7"
    & skf18("2","3","8","3","8","2","1") = "7"
    & skf18("2","3","8","3","8","3","1") = "7"
    & skf18("2","3","8","3","8","4","1") = "7"
    & skf18("2","3","8","3","8","5","1") = "7"
    & skf18("2","3","8","3","8","6","1") = "7"
    & skf18("2","3","8","3","8","7","1") = "7"
    & skf18("2","3","8","3","8","8","1") = "7"
    & skf18("2","3","8","3","8","9","1") = "8"
    & skf18("2","3","8","3","8","10","1") = "9"
    & skf18("2","3","8","3","9","1","1") = "8"
    & skf18("2","3","8","3","9","2","1") = "8"
    & skf18("2","3","8","3","9","3","1") = "8"
    & skf18("2","3","8","3","9","4","1") = "8"
    & skf18("2","3","8","3","9","5","1") = "8"
    & skf18("2","3","8","3","9","6","1") = "8"
    & skf18("2","3","8","3","9","7","1") = "8"
    & skf18("2","3","8","3","9","8","1") = "8"
    & skf18("2","3","8","3","9","9","1") = "8"
    & skf18("2","3","8","3","9","10","1") = "9"
    & skf18("2","3","8","3","10","1","1") = "9"
    & skf18("2","3","8","3","10","2","1") = "9"
    & skf18("2","3","8","3","10","3","1") = "9"
    & skf18("2","3","8","3","10","4","1") = "9"
    & skf18("2","3","8","3","10","5","1") = "9"
    & skf18("2","3","8","3","10","6","1") = "9"
    & skf18("2","3","8","3","10","7","1") = "9"
    & skf18("2","3","8","3","10","8","1") = "9"
    & skf18("2","3","8","3","10","9","1") = "9"
    & skf18("2","3","8","3","10","10","1") = "9"
    & skf18("2","3","8","4","1","1","1") = "7"
    & skf18("2","3","8","4","1","2","1") = "7"
    & skf18("2","3","8","4","1","3","1") = "7"
    & skf18("2","3","8","4","1","4","1") = "7"
    & skf18("2","3","8","4","1","5","1") = "7"
    & skf18("2","3","8","4","1","6","1") = "7"
    & skf18("2","3","8","4","1","7","1") = "7"
    & skf18("2","3","8","4","1","8","1") = "7"
    & skf18("2","3","8","4","1","9","1") = "8"
    & skf18("2","3","8","4","1","10","1") = "9"
    & skf18("2","3","8","4","2","1","1") = "7"
    & skf18("2","3","8","4","2","2","1") = "7"
    & skf18("2","3","8","4","2","3","1") = "7"
    & skf18("2","3","8","4","2","4","1") = "7"
    & skf18("2","3","8","4","2","5","1") = "7"
    & skf18("2","3","8","4","2","6","1") = "7"
    & skf18("2","3","8","4","2","7","1") = "7"
    & skf18("2","3","8","4","2","8","1") = "7"
    & skf18("2","3","8","4","2","9","1") = "8"
    & skf18("2","3","8","4","2","10","1") = "9"
    & skf18("2","3","8","4","3","1","1") = "7"
    & skf18("2","3","8","4","3","2","1") = "7"
    & skf18("2","3","8","4","3","3","1") = "7"
    & skf18("2","3","8","4","3","4","1") = "7"
    & skf18("2","3","8","4","3","5","1") = "7"
    & skf18("2","3","8","4","3","6","1") = "7"
    & skf18("2","3","8","4","3","7","1") = "7"
    & skf18("2","3","8","4","3","8","1") = "7"
    & skf18("2","3","8","4","3","9","1") = "8"
    & skf18("2","3","8","4","3","10","1") = "9"
    & skf18("2","3","8","4","4","1","1") = "7"
    & skf18("2","3","8","4","4","2","1") = "7"
    & skf18("2","3","8","4","4","3","1") = "7"
    & skf18("2","3","8","4","4","4","1") = "7"
    & skf18("2","3","8","4","4","5","1") = "7"
    & skf18("2","3","8","4","4","6","1") = "7"
    & skf18("2","3","8","4","4","7","1") = "7"
    & skf18("2","3","8","4","4","8","1") = "7"
    & skf18("2","3","8","4","4","9","1") = "8"
    & skf18("2","3","8","4","4","10","1") = "9"
    & skf18("2","3","8","4","5","1","1") = "7"
    & skf18("2","3","8","4","5","2","1") = "7"
    & skf18("2","3","8","4","5","3","1") = "7"
    & skf18("2","3","8","4","5","4","1") = "7"
    & skf18("2","3","8","4","5","5","1") = "7"
    & skf18("2","3","8","4","5","6","1") = "7"
    & skf18("2","3","8","4","5","7","1") = "7"
    & skf18("2","3","8","4","5","8","1") = "7"
    & skf18("2","3","8","4","5","9","1") = "8"
    & skf18("2","3","8","4","5","10","1") = "9"
    & skf18("2","3","8","4","6","1","1") = "7"
    & skf18("2","3","8","4","6","2","1") = "7"
    & skf18("2","3","8","4","6","3","1") = "7"
    & skf18("2","3","8","4","6","4","1") = "7"
    & skf18("2","3","8","4","6","5","1") = "7"
    & skf18("2","3","8","4","6","6","1") = "7"
    & skf18("2","3","8","4","6","7","1") = "7"
    & skf18("2","3","8","4","6","8","1") = "7"
    & skf18("2","3","8","4","6","9","1") = "8"
    & skf18("2","3","8","4","6","10","1") = "9"
    & skf18("2","3","8","4","7","1","1") = "7"
    & skf18("2","3","8","4","7","2","1") = "7"
    & skf18("2","3","8","4","7","3","1") = "7"
    & skf18("2","3","8","4","7","4","1") = "7"
    & skf18("2","3","8","4","7","5","1") = "7"
    & skf18("2","3","8","4","7","6","1") = "7"
    & skf18("2","3","8","4","7","7","1") = "7"
    & skf18("2","3","8","4","7","8","1") = "7"
    & skf18("2","3","8","4","7","9","1") = "8"
    & skf18("2","3","8","4","7","10","1") = "9"
    & skf18("2","3","8","4","8","1","1") = "7"
    & skf18("2","3","8","4","8","2","1") = "7"
    & skf18("2","3","8","4","8","3","1") = "7"
    & skf18("2","3","8","4","8","4","1") = "7"
    & skf18("2","3","8","4","8","5","1") = "7"
    & skf18("2","3","8","4","8","6","1") = "7"
    & skf18("2","3","8","4","8","7","1") = "7"
    & skf18("2","3","8","4","8","8","1") = "7"
    & skf18("2","3","8","4","8","9","1") = "8"
    & skf18("2","3","8","4","8","10","1") = "9"
    & skf18("2","3","8","4","9","1","1") = "8"
    & skf18("2","3","8","4","9","2","1") = "8"
    & skf18("2","3","8","4","9","3","1") = "8"
    & skf18("2","3","8","4","9","4","1") = "8"
    & skf18("2","3","8","4","9","5","1") = "8"
    & skf18("2","3","8","4","9","6","1") = "8"
    & skf18("2","3","8","4","9","7","1") = "8"
    & skf18("2","3","8","4","9","8","1") = "8"
    & skf18("2","3","8","4","9","9","1") = "8"
    & skf18("2","3","8","4","9","10","1") = "9"
    & skf18("2","3","8","4","10","1","1") = "9"
    & skf18("2","3","8","4","10","2","1") = "9"
    & skf18("2","3","8","4","10","3","1") = "9"
    & skf18("2","3","8","4","10","4","1") = "9"
    & skf18("2","3","8","4","10","5","1") = "9"
    & skf18("2","3","8","4","10","6","1") = "9"
    & skf18("2","3","8","4","10","7","1") = "9"
    & skf18("2","3","8","4","10","8","1") = "9"
    & skf18("2","3","8","4","10","9","1") = "9"
    & skf18("2","3","8","4","10","10","1") = "9"
    & skf18("2","3","8","5","1","1","1") = "7"
    & skf18("2","3","8","5","1","2","1") = "7"
    & skf18("2","3","8","5","1","3","1") = "7"
    & skf18("2","3","8","5","1","4","1") = "7"
    & skf18("2","3","8","5","1","5","1") = "7"
    & skf18("2","3","8","5","1","6","1") = "7"
    & skf18("2","3","8","5","1","7","1") = "7"
    & skf18("2","3","8","5","1","8","1") = "7"
    & skf18("2","3","8","5","1","9","1") = "8"
    & skf18("2","3","8","5","1","10","1") = "9"
    & skf18("2","3","8","5","2","1","1") = "7"
    & skf18("2","3","8","5","2","2","1") = "7"
    & skf18("2","3","8","5","2","3","1") = "7"
    & skf18("2","3","8","5","2","4","1") = "7"
    & skf18("2","3","8","5","2","5","1") = "7"
    & skf18("2","3","8","5","2","6","1") = "7"
    & skf18("2","3","8","5","2","7","1") = "7"
    & skf18("2","3","8","5","2","8","1") = "7"
    & skf18("2","3","8","5","2","9","1") = "8"
    & skf18("2","3","8","5","2","10","1") = "9"
    & skf18("2","3","8","5","3","1","1") = "7"
    & skf18("2","3","8","5","3","2","1") = "7"
    & skf18("2","3","8","5","3","3","1") = "7"
    & skf18("2","3","8","5","3","4","1") = "7"
    & skf18("2","3","8","5","3","5","1") = "7"
    & skf18("2","3","8","5","3","6","1") = "7"
    & skf18("2","3","8","5","3","7","1") = "7"
    & skf18("2","3","8","5","3","8","1") = "7"
    & skf18("2","3","8","5","3","9","1") = "8"
    & skf18("2","3","8","5","3","10","1") = "9"
    & skf18("2","3","8","5","4","1","1") = "7"
    & skf18("2","3","8","5","4","2","1") = "7"
    & skf18("2","3","8","5","4","3","1") = "7"
    & skf18("2","3","8","5","4","4","1") = "7"
    & skf18("2","3","8","5","4","5","1") = "7"
    & skf18("2","3","8","5","4","6","1") = "7"
    & skf18("2","3","8","5","4","7","1") = "7"
    & skf18("2","3","8","5","4","8","1") = "7"
    & skf18("2","3","8","5","4","9","1") = "8"
    & skf18("2","3","8","5","4","10","1") = "9"
    & skf18("2","3","8","5","5","1","1") = "7"
    & skf18("2","3","8","5","5","2","1") = "7"
    & skf18("2","3","8","5","5","3","1") = "7"
    & skf18("2","3","8","5","5","4","1") = "7"
    & skf18("2","3","8","5","5","5","1") = "7"
    & skf18("2","3","8","5","5","6","1") = "7"
    & skf18("2","3","8","5","5","7","1") = "7"
    & skf18("2","3","8","5","5","8","1") = "7"
    & skf18("2","3","8","5","5","9","1") = "8"
    & skf18("2","3","8","5","5","10","1") = "9"
    & skf18("2","3","8","5","6","1","1") = "7"
    & skf18("2","3","8","5","6","2","1") = "7"
    & skf18("2","3","8","5","6","3","1") = "7"
    & skf18("2","3","8","5","6","4","1") = "7"
    & skf18("2","3","8","5","6","5","1") = "7"
    & skf18("2","3","8","5","6","6","1") = "7"
    & skf18("2","3","8","5","6","7","1") = "7"
    & skf18("2","3","8","5","6","8","1") = "7"
    & skf18("2","3","8","5","6","9","1") = "8"
    & skf18("2","3","8","5","6","10","1") = "9"
    & skf18("2","3","8","5","7","1","1") = "7"
    & skf18("2","3","8","5","7","2","1") = "7"
    & skf18("2","3","8","5","7","3","1") = "7"
    & skf18("2","3","8","5","7","4","1") = "7"
    & skf18("2","3","8","5","7","5","1") = "7"
    & skf18("2","3","8","5","7","6","1") = "7"
    & skf18("2","3","8","5","7","7","1") = "7"
    & skf18("2","3","8","5","7","8","1") = "7"
    & skf18("2","3","8","5","7","9","1") = "8"
    & skf18("2","3","8","5","7","10","1") = "9"
    & skf18("2","3","8","5","8","1","1") = "7"
    & skf18("2","3","8","5","8","2","1") = "7"
    & skf18("2","3","8","5","8","3","1") = "7"
    & skf18("2","3","8","5","8","4","1") = "7"
    & skf18("2","3","8","5","8","5","1") = "7"
    & skf18("2","3","8","5","8","6","1") = "7"
    & skf18("2","3","8","5","8","7","1") = "7"
    & skf18("2","3","8","5","8","8","1") = "7"
    & skf18("2","3","8","5","8","9","1") = "8"
    & skf18("2","3","8","5","8","10","1") = "9"
    & skf18("2","3","8","5","9","1","1") = "8"
    & skf18("2","3","8","5","9","2","1") = "8"
    & skf18("2","3","8","5","9","3","1") = "8"
    & skf18("2","3","8","5","9","4","1") = "8"
    & skf18("2","3","8","5","9","5","1") = "8"
    & skf18("2","3","8","5","9","6","1") = "8"
    & skf18("2","3","8","5","9","7","1") = "8"
    & skf18("2","3","8","5","9","8","1") = "8"
    & skf18("2","3","8","5","9","9","1") = "8"
    & skf18("2","3","8","5","9","10","1") = "9"
    & skf18("2","3","8","5","10","1","1") = "9"
    & skf18("2","3","8","5","10","2","1") = "9"
    & skf18("2","3","8","5","10","3","1") = "9"
    & skf18("2","3","8","5","10","4","1") = "9"
    & skf18("2","3","8","5","10","5","1") = "9"
    & skf18("2","3","8","5","10","6","1") = "9"
    & skf18("2","3","8","5","10","7","1") = "9"
    & skf18("2","3","8","5","10","8","1") = "9"
    & skf18("2","3","8","5","10","9","1") = "9"
    & skf18("2","3","8","5","10","10","1") = "9"
    & skf18("2","3","8","6","1","1","1") = "7"
    & skf18("2","3","8","6","1","2","1") = "7"
    & skf18("2","3","8","6","1","3","1") = "7"
    & skf18("2","3","8","6","1","4","1") = "7"
    & skf18("2","3","8","6","1","5","1") = "7"
    & skf18("2","3","8","6","1","6","1") = "7"
    & skf18("2","3","8","6","1","7","1") = "7"
    & skf18("2","3","8","6","1","8","1") = "7"
    & skf18("2","3","8","6","1","9","1") = "8"
    & skf18("2","3","8","6","1","10","1") = "9"
    & skf18("2","3","8","6","2","1","1") = "7"
    & skf18("2","3","8","6","2","2","1") = "7"
    & skf18("2","3","8","6","2","3","1") = "7"
    & skf18("2","3","8","6","2","4","1") = "7"
    & skf18("2","3","8","6","2","5","1") = "7"
    & skf18("2","3","8","6","2","6","1") = "7"
    & skf18("2","3","8","6","2","7","1") = "7"
    & skf18("2","3","8","6","2","8","1") = "7"
    & skf18("2","3","8","6","2","9","1") = "8"
    & skf18("2","3","8","6","2","10","1") = "9"
    & skf18("2","3","8","6","3","1","1") = "7"
    & skf18("2","3","8","6","3","2","1") = "7"
    & skf18("2","3","8","6","3","3","1") = "7"
    & skf18("2","3","8","6","3","4","1") = "7"
    & skf18("2","3","8","6","3","5","1") = "7"
    & skf18("2","3","8","6","3","6","1") = "7"
    & skf18("2","3","8","6","3","7","1") = "7"
    & skf18("2","3","8","6","3","8","1") = "7"
    & skf18("2","3","8","6","3","9","1") = "8"
    & skf18("2","3","8","6","3","10","1") = "9"
    & skf18("2","3","8","6","4","1","1") = "7"
    & skf18("2","3","8","6","4","2","1") = "7"
    & skf18("2","3","8","6","4","3","1") = "7"
    & skf18("2","3","8","6","4","4","1") = "7"
    & skf18("2","3","8","6","4","5","1") = "7"
    & skf18("2","3","8","6","4","6","1") = "7"
    & skf18("2","3","8","6","4","7","1") = "7"
    & skf18("2","3","8","6","4","8","1") = "7"
    & skf18("2","3","8","6","4","9","1") = "8"
    & skf18("2","3","8","6","4","10","1") = "9"
    & skf18("2","3","8","6","5","1","1") = "7"
    & skf18("2","3","8","6","5","2","1") = "7"
    & skf18("2","3","8","6","5","3","1") = "7"
    & skf18("2","3","8","6","5","4","1") = "7"
    & skf18("2","3","8","6","5","5","1") = "7"
    & skf18("2","3","8","6","5","6","1") = "7"
    & skf18("2","3","8","6","5","7","1") = "7"
    & skf18("2","3","8","6","5","8","1") = "7"
    & skf18("2","3","8","6","5","9","1") = "8"
    & skf18("2","3","8","6","5","10","1") = "9"
    & skf18("2","3","8","6","6","1","1") = "7"
    & skf18("2","3","8","6","6","2","1") = "7"
    & skf18("2","3","8","6","6","3","1") = "7"
    & skf18("2","3","8","6","6","4","1") = "7"
    & skf18("2","3","8","6","6","5","1") = "7"
    & skf18("2","3","8","6","6","6","1") = "7"
    & skf18("2","3","8","6","6","7","1") = "7"
    & skf18("2","3","8","6","6","8","1") = "7"
    & skf18("2","3","8","6","6","9","1") = "8"
    & skf18("2","3","8","6","6","10","1") = "9"
    & skf18("2","3","8","6","7","1","1") = "7"
    & skf18("2","3","8","6","7","2","1") = "7"
    & skf18("2","3","8","6","7","3","1") = "7"
    & skf18("2","3","8","6","7","4","1") = "7"
    & skf18("2","3","8","6","7","5","1") = "7"
    & skf18("2","3","8","6","7","6","1") = "7"
    & skf18("2","3","8","6","7","7","1") = "7"
    & skf18("2","3","8","6","7","8","1") = "7"
    & skf18("2","3","8","6","7","9","1") = "8"
    & skf18("2","3","8","6","7","10","1") = "9"
    & skf18("2","3","8","6","8","1","1") = "7"
    & skf18("2","3","8","6","8","2","1") = "7"
    & skf18("2","3","8","6","8","3","1") = "7"
    & skf18("2","3","8","6","8","4","1") = "7"
    & skf18("2","3","8","6","8","5","1") = "7"
    & skf18("2","3","8","6","8","6","1") = "7"
    & skf18("2","3","8","6","8","7","1") = "7"
    & skf18("2","3","8","6","8","8","1") = "7"
    & skf18("2","3","8","6","8","9","1") = "8"
    & skf18("2","3","8","6","8","10","1") = "9"
    & skf18("2","3","8","6","9","1","1") = "8"
    & skf18("2","3","8","6","9","2","1") = "8"
    & skf18("2","3","8","6","9","3","1") = "8"
    & skf18("2","3","8","6","9","4","1") = "8"
    & skf18("2","3","8","6","9","5","1") = "8"
    & skf18("2","3","8","6","9","6","1") = "8"
    & skf18("2","3","8","6","9","7","1") = "8"
    & skf18("2","3","8","6","9","8","1") = "8"
    & skf18("2","3","8","6","9","9","1") = "8"
    & skf18("2","3","8","6","9","10","1") = "9"
    & skf18("2","3","8","6","10","1","1") = "9"
    & skf18("2","3","8","6","10","2","1") = "9"
    & skf18("2","3","8","6","10","3","1") = "9"
    & skf18("2","3","8","6","10","4","1") = "9"
    & skf18("2","3","8","6","10","5","1") = "9"
    & skf18("2","3","8","6","10","6","1") = "9"
    & skf18("2","3","8","6","10","7","1") = "9"
    & skf18("2","3","8","6","10","8","1") = "9"
    & skf18("2","3","8","6","10","9","1") = "9"
    & skf18("2","3","8","6","10","10","1") = "9"
    & skf18("2","3","8","7","1","1","1") = "7"
    & skf18("2","3","8","7","1","2","1") = "7"
    & skf18("2","3","8","7","1","3","1") = "7"
    & skf18("2","3","8","7","1","4","1") = "7"
    & skf18("2","3","8","7","1","5","1") = "7"
    & skf18("2","3","8","7","1","6","1") = "7"
    & skf18("2","3","8","7","1","7","1") = "7"
    & skf18("2","3","8","7","1","8","1") = "7"
    & skf18("2","3","8","7","1","9","1") = "8"
    & skf18("2","3","8","7","1","10","1") = "9"
    & skf18("2","3","8","7","2","1","1") = "7"
    & skf18("2","3","8","7","2","2","1") = "7"
    & skf18("2","3","8","7","2","3","1") = "7"
    & skf18("2","3","8","7","2","4","1") = "7"
    & skf18("2","3","8","7","2","5","1") = "7"
    & skf18("2","3","8","7","2","6","1") = "7"
    & skf18("2","3","8","7","2","7","1") = "7"
    & skf18("2","3","8","7","2","8","1") = "7"
    & skf18("2","3","8","7","2","9","1") = "8"
    & skf18("2","3","8","7","2","10","1") = "9"
    & skf18("2","3","8","7","3","1","1") = "7"
    & skf18("2","3","8","7","3","2","1") = "7"
    & skf18("2","3","8","7","3","3","1") = "7"
    & skf18("2","3","8","7","3","4","1") = "7"
    & skf18("2","3","8","7","3","5","1") = "7"
    & skf18("2","3","8","7","3","6","1") = "7"
    & skf18("2","3","8","7","3","7","1") = "7"
    & skf18("2","3","8","7","3","8","1") = "7"
    & skf18("2","3","8","7","3","9","1") = "8"
    & skf18("2","3","8","7","3","10","1") = "9"
    & skf18("2","3","8","7","4","1","1") = "7"
    & skf18("2","3","8","7","4","2","1") = "7"
    & skf18("2","3","8","7","4","3","1") = "7"
    & skf18("2","3","8","7","4","4","1") = "7"
    & skf18("2","3","8","7","4","5","1") = "7"
    & skf18("2","3","8","7","4","6","1") = "7"
    & skf18("2","3","8","7","4","7","1") = "7"
    & skf18("2","3","8","7","4","8","1") = "7"
    & skf18("2","3","8","7","4","9","1") = "8"
    & skf18("2","3","8","7","4","10","1") = "9"
    & skf18("2","3","8","7","5","1","1") = "7"
    & skf18("2","3","8","7","5","2","1") = "7"
    & skf18("2","3","8","7","5","3","1") = "7"
    & skf18("2","3","8","7","5","4","1") = "7"
    & skf18("2","3","8","7","5","5","1") = "7"
    & skf18("2","3","8","7","5","6","1") = "7"
    & skf18("2","3","8","7","5","7","1") = "7"
    & skf18("2","3","8","7","5","8","1") = "7"
    & skf18("2","3","8","7","5","9","1") = "8"
    & skf18("2","3","8","7","5","10","1") = "9"
    & skf18("2","3","8","7","6","1","1") = "7"
    & skf18("2","3","8","7","6","2","1") = "7"
    & skf18("2","3","8","7","6","3","1") = "7"
    & skf18("2","3","8","7","6","4","1") = "7"
    & skf18("2","3","8","7","6","5","1") = "7"
    & skf18("2","3","8","7","6","6","1") = "7"
    & skf18("2","3","8","7","6","7","1") = "7"
    & skf18("2","3","8","7","6","8","1") = "7"
    & skf18("2","3","8","7","6","9","1") = "8"
    & skf18("2","3","8","7","6","10","1") = "9"
    & skf18("2","3","8","7","7","1","1") = "7"
    & skf18("2","3","8","7","7","2","1") = "7"
    & skf18("2","3","8","7","7","3","1") = "7"
    & skf18("2","3","8","7","7","4","1") = "7"
    & skf18("2","3","8","7","7","5","1") = "7"
    & skf18("2","3","8","7","7","6","1") = "7"
    & skf18("2","3","8","7","7","7","1") = "7"
    & skf18("2","3","8","7","7","8","1") = "7"
    & skf18("2","3","8","7","7","9","1") = "8"
    & skf18("2","3","8","7","7","10","1") = "9"
    & skf18("2","3","8","7","8","1","1") = "7"
    & skf18("2","3","8","7","8","2","1") = "7"
    & skf18("2","3","8","7","8","3","1") = "7"
    & skf18("2","3","8","7","8","4","1") = "7"
    & skf18("2","3","8","7","8","5","1") = "7"
    & skf18("2","3","8","7","8","6","1") = "7"
    & skf18("2","3","8","7","8","7","1") = "7"
    & skf18("2","3","8","7","8","8","1") = "7"
    & skf18("2","3","8","7","8","9","1") = "8"
    & skf18("2","3","8","7","8","10","1") = "9"
    & skf18("2","3","8","7","9","1","1") = "8"
    & skf18("2","3","8","7","9","2","1") = "8"
    & skf18("2","3","8","7","9","3","1") = "8"
    & skf18("2","3","8","7","9","4","1") = "8"
    & skf18("2","3","8","7","9","5","1") = "8"
    & skf18("2","3","8","7","9","6","1") = "8"
    & skf18("2","3","8","7","9","7","1") = "8"
    & skf18("2","3","8","7","9","8","1") = "8"
    & skf18("2","3","8","7","9","9","1") = "8"
    & skf18("2","3","8","7","9","10","1") = "9"
    & skf18("2","3","8","7","10","1","1") = "9"
    & skf18("2","3","8","7","10","2","1") = "9"
    & skf18("2","3","8","7","10","3","1") = "9"
    & skf18("2","3","8","7","10","4","1") = "9"
    & skf18("2","3","8","7","10","5","1") = "9"
    & skf18("2","3","8","7","10","6","1") = "9"
    & skf18("2","3","8","7","10","7","1") = "9"
    & skf18("2","3","8","7","10","8","1") = "9"
    & skf18("2","3","8","7","10","9","1") = "9"
    & skf18("2","3","8","7","10","10","1") = "9"
    & skf18("2","3","8","8","1","1","1") = "7"
    & skf18("2","3","8","8","1","2","1") = "7"
    & skf18("2","3","8","8","1","3","1") = "7"
    & skf18("2","3","8","8","1","4","1") = "7"
    & skf18("2","3","8","8","1","5","1") = "7"
    & skf18("2","3","8","8","1","6","1") = "7"
    & skf18("2","3","8","8","1","7","1") = "7"
    & skf18("2","3","8","8","1","8","1") = "7"
    & skf18("2","3","8","8","1","9","1") = "8"
    & skf18("2","3","8","8","1","10","1") = "9"
    & skf18("2","3","8","8","2","1","1") = "7"
    & skf18("2","3","8","8","2","2","1") = "7"
    & skf18("2","3","8","8","2","3","1") = "7"
    & skf18("2","3","8","8","2","4","1") = "7"
    & skf18("2","3","8","8","2","5","1") = "7"
    & skf18("2","3","8","8","2","6","1") = "7"
    & skf18("2","3","8","8","2","7","1") = "7"
    & skf18("2","3","8","8","2","8","1") = "7"
    & skf18("2","3","8","8","2","9","1") = "8"
    & skf18("2","3","8","8","2","10","1") = "9"
    & skf18("2","3","8","8","3","1","1") = "7"
    & skf18("2","3","8","8","3","2","1") = "7"
    & skf18("2","3","8","8","3","3","1") = "7"
    & skf18("2","3","8","8","3","4","1") = "7"
    & skf18("2","3","8","8","3","5","1") = "7"
    & skf18("2","3","8","8","3","6","1") = "7"
    & skf18("2","3","8","8","3","7","1") = "7"
    & skf18("2","3","8","8","3","8","1") = "7"
    & skf18("2","3","8","8","3","9","1") = "8"
    & skf18("2","3","8","8","3","10","1") = "9"
    & skf18("2","3","8","8","4","1","1") = "7"
    & skf18("2","3","8","8","4","2","1") = "7"
    & skf18("2","3","8","8","4","3","1") = "7"
    & skf18("2","3","8","8","4","4","1") = "7"
    & skf18("2","3","8","8","4","5","1") = "7"
    & skf18("2","3","8","8","4","6","1") = "7"
    & skf18("2","3","8","8","4","7","1") = "7"
    & skf18("2","3","8","8","4","8","1") = "7"
    & skf18("2","3","8","8","4","9","1") = "8"
    & skf18("2","3","8","8","4","10","1") = "9"
    & skf18("2","3","8","8","5","1","1") = "7"
    & skf18("2","3","8","8","5","2","1") = "7"
    & skf18("2","3","8","8","5","3","1") = "7"
    & skf18("2","3","8","8","5","4","1") = "7"
    & skf18("2","3","8","8","5","5","1") = "7"
    & skf18("2","3","8","8","5","6","1") = "7"
    & skf18("2","3","8","8","5","7","1") = "7"
    & skf18("2","3","8","8","5","8","1") = "7"
    & skf18("2","3","8","8","5","9","1") = "8"
    & skf18("2","3","8","8","5","10","1") = "9"
    & skf18("2","3","8","8","6","1","1") = "7"
    & skf18("2","3","8","8","6","2","1") = "7"
    & skf18("2","3","8","8","6","3","1") = "7"
    & skf18("2","3","8","8","6","4","1") = "7"
    & skf18("2","3","8","8","6","5","1") = "7"
    & skf18("2","3","8","8","6","6","1") = "7"
    & skf18("2","3","8","8","6","7","1") = "7"
    & skf18("2","3","8","8","6","8","1") = "7"
    & skf18("2","3","8","8","6","9","1") = "8"
    & skf18("2","3","8","8","6","10","1") = "9"
    & skf18("2","3","8","8","7","1","1") = "7"
    & skf18("2","3","8","8","7","2","1") = "7"
    & skf18("2","3","8","8","7","3","1") = "7"
    & skf18("2","3","8","8","7","4","1") = "7"
    & skf18("2","3","8","8","7","5","1") = "7"
    & skf18("2","3","8","8","7","6","1") = "7"
    & skf18("2","3","8","8","7","7","1") = "7"
    & skf18("2","3","8","8","7","8","1") = "7"
    & skf18("2","3","8","8","7","9","1") = "8"
    & skf18("2","3","8","8","7","10","1") = "9"
    & skf18("2","3","8","8","8","1","1") = "7"
    & skf18("2","3","8","8","8","2","1") = "7"
    & skf18("2","3","8","8","8","3","1") = "7"
    & skf18("2","3","8","8","8","4","1") = "7"
    & skf18("2","3","8","8","8","5","1") = "7"
    & skf18("2","3","8","8","8","6","1") = "7"
    & skf18("2","3","8","8","8","7","1") = "7"
    & skf18("2","3","8","8","8","8","1") = "7"
    & skf18("2","3","8","8","8","9","1") = "8"
    & skf18("2","3","8","8","8","10","1") = "9"
    & skf18("2","3","8","8","9","1","1") = "8"
    & skf18("2","3","8","8","9","2","1") = "8"
    & skf18("2","3","8","8","9","3","1") = "8"
    & skf18("2","3","8","8","9","4","1") = "8"
    & skf18("2","3","8","8","9","5","1") = "8"
    & skf18("2","3","8","8","9","6","1") = "8"
    & skf18("2","3","8","8","9","7","1") = "8"
    & skf18("2","3","8","8","9","8","1") = "8"
    & skf18("2","3","8","8","9","9","1") = "8"
    & skf18("2","3","8","8","9","10","1") = "9"
    & skf18("2","3","8","8","10","1","1") = "9"
    & skf18("2","3","8","8","10","2","1") = "9"
    & skf18("2","3","8","8","10","3","1") = "9"
    & skf18("2","3","8","8","10","4","1") = "9"
    & skf18("2","3","8","8","10","5","1") = "9"
    & skf18("2","3","8","8","10","6","1") = "9"
    & skf18("2","3","8","8","10","7","1") = "9"
    & skf18("2","3","8","8","10","8","1") = "9"
    & skf18("2","3","8","8","10","9","1") = "9"
    & skf18("2","3","8","8","10","10","1") = "9"
    & skf18("2","3","8","9","1","1","1") = "8"
    & skf18("2","3","8","9","1","2","1") = "8"
    & skf18("2","3","8","9","1","3","1") = "8"
    & skf18("2","3","8","9","1","4","1") = "8"
    & skf18("2","3","8","9","1","5","1") = "8"
    & skf18("2","3","8","9","1","6","1") = "8"
    & skf18("2","3","8","9","1","7","1") = "8"
    & skf18("2","3","8","9","1","8","1") = "8"
    & skf18("2","3","8","9","1","9","1") = "8"
    & skf18("2","3","8","9","1","10","1") = "9"
    & skf18("2","3","8","9","2","1","1") = "8"
    & skf18("2","3","8","9","2","2","1") = "8"
    & skf18("2","3","8","9","2","3","1") = "8"
    & skf18("2","3","8","9","2","4","1") = "8"
    & skf18("2","3","8","9","2","5","1") = "8"
    & skf18("2","3","8","9","2","6","1") = "8"
    & skf18("2","3","8","9","2","7","1") = "8"
    & skf18("2","3","8","9","2","8","1") = "8"
    & skf18("2","3","8","9","2","9","1") = "8"
    & skf18("2","3","8","9","2","10","1") = "9"
    & skf18("2","3","8","9","3","1","1") = "8"
    & skf18("2","3","8","9","3","2","1") = "8"
    & skf18("2","3","8","9","3","3","1") = "8"
    & skf18("2","3","8","9","3","4","1") = "8"
    & skf18("2","3","8","9","3","5","1") = "8"
    & skf18("2","3","8","9","3","6","1") = "8"
    & skf18("2","3","8","9","3","7","1") = "8"
    & skf18("2","3","8","9","3","8","1") = "8"
    & skf18("2","3","8","9","3","9","1") = "8"
    & skf18("2","3","8","9","3","10","1") = "9"
    & skf18("2","3","8","9","4","1","1") = "8"
    & skf18("2","3","8","9","4","2","1") = "8"
    & skf18("2","3","8","9","4","3","1") = "8"
    & skf18("2","3","8","9","4","4","1") = "8"
    & skf18("2","3","8","9","4","5","1") = "8"
    & skf18("2","3","8","9","4","6","1") = "8"
    & skf18("2","3","8","9","4","7","1") = "8"
    & skf18("2","3","8","9","4","8","1") = "8"
    & skf18("2","3","8","9","4","9","1") = "8"
    & skf18("2","3","8","9","4","10","1") = "9"
    & skf18("2","3","8","9","5","1","1") = "8"
    & skf18("2","3","8","9","5","2","1") = "8"
    & skf18("2","3","8","9","5","3","1") = "8"
    & skf18("2","3","8","9","5","4","1") = "8"
    & skf18("2","3","8","9","5","5","1") = "8"
    & skf18("2","3","8","9","5","6","1") = "8"
    & skf18("2","3","8","9","5","7","1") = "8"
    & skf18("2","3","8","9","5","8","1") = "8"
    & skf18("2","3","8","9","5","9","1") = "8"
    & skf18("2","3","8","9","5","10","1") = "9"
    & skf18("2","3","8","9","6","1","1") = "8"
    & skf18("2","3","8","9","6","2","1") = "8"
    & skf18("2","3","8","9","6","3","1") = "8"
    & skf18("2","3","8","9","6","4","1") = "8"
    & skf18("2","3","8","9","6","5","1") = "8"
    & skf18("2","3","8","9","6","6","1") = "8"
    & skf18("2","3","8","9","6","7","1") = "8"
    & skf18("2","3","8","9","6","8","1") = "8"
    & skf18("2","3","8","9","6","9","1") = "8"
    & skf18("2","3","8","9","6","10","1") = "9"
    & skf18("2","3","8","9","7","1","1") = "8"
    & skf18("2","3","8","9","7","2","1") = "8"
    & skf18("2","3","8","9","7","3","1") = "8"
    & skf18("2","3","8","9","7","4","1") = "8"
    & skf18("2","3","8","9","7","5","1") = "8"
    & skf18("2","3","8","9","7","6","1") = "8"
    & skf18("2","3","8","9","7","7","1") = "8"
    & skf18("2","3","8","9","7","8","1") = "8"
    & skf18("2","3","8","9","7","9","1") = "8"
    & skf18("2","3","8","9","7","10","1") = "9"
    & skf18("2","3","8","9","8","1","1") = "8"
    & skf18("2","3","8","9","8","2","1") = "8"
    & skf18("2","3","8","9","8","3","1") = "8"
    & skf18("2","3","8","9","8","4","1") = "8"
    & skf18("2","3","8","9","8","5","1") = "8"
    & skf18("2","3","8","9","8","6","1") = "8"
    & skf18("2","3","8","9","8","7","1") = "8"
    & skf18("2","3","8","9","8","8","1") = "8"
    & skf18("2","3","8","9","8","9","1") = "8"
    & skf18("2","3","8","9","8","10","1") = "9"
    & skf18("2","3","8","9","9","1","1") = "8"
    & skf18("2","3","8","9","9","2","1") = "8"
    & skf18("2","3","8","9","9","3","1") = "8"
    & skf18("2","3","8","9","9","4","1") = "8"
    & skf18("2","3","8","9","9","5","1") = "8"
    & skf18("2","3","8","9","9","6","1") = "8"
    & skf18("2","3","8","9","9","7","1") = "8"
    & skf18("2","3","8","9","9","8","1") = "8"
    & skf18("2","3","8","9","9","9","1") = "8"
    & skf18("2","3","8","9","9","10","1") = "9"
    & skf18("2","3","8","9","10","1","1") = "9"
    & skf18("2","3","8","9","10","2","1") = "9"
    & skf18("2","3","8","9","10","3","1") = "9"
    & skf18("2","3","8","9","10","4","1") = "9"
    & skf18("2","3","8","9","10","5","1") = "9"
    & skf18("2","3","8","9","10","6","1") = "9"
    & skf18("2","3","8","9","10","7","1") = "9"
    & skf18("2","3","8","9","10","8","1") = "9"
    & skf18("2","3","8","9","10","9","1") = "9"
    & skf18("2","3","8","9","10","10","1") = "9"
    & skf18("2","3","8","10","1","1","1") = "9"
    & skf18("2","3","8","10","1","2","1") = "9"
    & skf18("2","3","8","10","1","3","1") = "9"
    & skf18("2","3","8","10","1","4","1") = "9"
    & skf18("2","3","8","10","1","5","1") = "9"
    & skf18("2","3","8","10","1","6","1") = "9"
    & skf18("2","3","8","10","1","7","1") = "9"
    & skf18("2","3","8","10","1","8","1") = "9"
    & skf18("2","3","8","10","1","9","1") = "9"
    & skf18("2","3","8","10","1","10","1") = "9"
    & skf18("2","3","8","10","2","1","1") = "9"
    & skf18("2","3","8","10","2","2","1") = "9"
    & skf18("2","3","8","10","2","3","1") = "9"
    & skf18("2","3","8","10","2","4","1") = "9"
    & skf18("2","3","8","10","2","5","1") = "9"
    & skf18("2","3","8","10","2","6","1") = "9"
    & skf18("2","3","8","10","2","7","1") = "9"
    & skf18("2","3","8","10","2","8","1") = "9"
    & skf18("2","3","8","10","2","9","1") = "9"
    & skf18("2","3","8","10","2","10","1") = "9"
    & skf18("2","3","8","10","3","1","1") = "9"
    & skf18("2","3","8","10","3","2","1") = "9"
    & skf18("2","3","8","10","3","3","1") = "9"
    & skf18("2","3","8","10","3","4","1") = "9"
    & skf18("2","3","8","10","3","5","1") = "9"
    & skf18("2","3","8","10","3","6","1") = "9"
    & skf18("2","3","8","10","3","7","1") = "9"
    & skf18("2","3","8","10","3","8","1") = "9"
    & skf18("2","3","8","10","3","9","1") = "9"
    & skf18("2","3","8","10","3","10","1") = "9"
    & skf18("2","3","8","10","4","1","1") = "9"
    & skf18("2","3","8","10","4","2","1") = "9"
    & skf18("2","3","8","10","4","3","1") = "9"
    & skf18("2","3","8","10","4","4","1") = "9"
    & skf18("2","3","8","10","4","5","1") = "9"
    & skf18("2","3","8","10","4","6","1") = "9"
    & skf18("2","3","8","10","4","7","1") = "9"
    & skf18("2","3","8","10","4","8","1") = "9"
    & skf18("2","3","8","10","4","9","1") = "9"
    & skf18("2","3","8","10","4","10","1") = "9"
    & skf18("2","3","8","10","5","1","1") = "9"
    & skf18("2","3","8","10","5","2","1") = "9"
    & skf18("2","3","8","10","5","3","1") = "9"
    & skf18("2","3","8","10","5","4","1") = "9"
    & skf18("2","3","8","10","5","5","1") = "9"
    & skf18("2","3","8","10","5","6","1") = "9"
    & skf18("2","3","8","10","5","7","1") = "9"
    & skf18("2","3","8","10","5","8","1") = "9"
    & skf18("2","3","8","10","5","9","1") = "9"
    & skf18("2","3","8","10","5","10","1") = "9"
    & skf18("2","3","8","10","6","1","1") = "9"
    & skf18("2","3","8","10","6","2","1") = "9"
    & skf18("2","3","8","10","6","3","1") = "9"
    & skf18("2","3","8","10","6","4","1") = "9"
    & skf18("2","3","8","10","6","5","1") = "9"
    & skf18("2","3","8","10","6","6","1") = "9"
    & skf18("2","3","8","10","6","7","1") = "9"
    & skf18("2","3","8","10","6","8","1") = "9"
    & skf18("2","3","8","10","6","9","1") = "9"
    & skf18("2","3","8","10","6","10","1") = "9"
    & skf18("2","3","8","10","7","1","1") = "9"
    & skf18("2","3","8","10","7","2","1") = "9"
    & skf18("2","3","8","10","7","3","1") = "9"
    & skf18("2","3","8","10","7","4","1") = "9"
    & skf18("2","3","8","10","7","5","1") = "9"
    & skf18("2","3","8","10","7","6","1") = "9"
    & skf18("2","3","8","10","7","7","1") = "9"
    & skf18("2","3","8","10","7","8","1") = "9"
    & skf18("2","3","8","10","7","9","1") = "9"
    & skf18("2","3","8","10","7","10","1") = "9"
    & skf18("2","3","8","10","8","1","1") = "9"
    & skf18("2","3","8","10","8","2","1") = "9"
    & skf18("2","3","8","10","8","3","1") = "9"
    & skf18("2","3","8","10","8","4","1") = "9"
    & skf18("2","3","8","10","8","5","1") = "9"
    & skf18("2","3","8","10","8","6","1") = "9"
    & skf18("2","3","8","10","8","7","1") = "9"
    & skf18("2","3","8","10","8","8","1") = "9"
    & skf18("2","3","8","10","8","9","1") = "9"
    & skf18("2","3","8","10","8","10","1") = "9"
    & skf18("2","3","8","10","9","1","1") = "9"
    & skf18("2","3","8","10","9","2","1") = "9"
    & skf18("2","3","8","10","9","3","1") = "9"
    & skf18("2","3","8","10","9","4","1") = "9"
    & skf18("2","3","8","10","9","5","1") = "9"
    & skf18("2","3","8","10","9","6","1") = "9"
    & skf18("2","3","8","10","9","7","1") = "9"
    & skf18("2","3","8","10","9","8","1") = "9"
    & skf18("2","3","8","10","9","9","1") = "9"
    & skf18("2","3","8","10","9","10","1") = "9"
    & skf18("2","3","8","10","10","1","1") = "9"
    & skf18("2","3","8","10","10","2","1") = "9"
    & skf18("2","3","8","10","10","3","1") = "9"
    & skf18("2","3","8","10","10","4","1") = "9"
    & skf18("2","3","8","10","10","5","1") = "9"
    & skf18("2","3","8","10","10","6","1") = "9"
    & skf18("2","3","8","10","10","7","1") = "9"
    & skf18("2","3","8","10","10","8","1") = "9"
    & skf18("2","3","8","10","10","9","1") = "9"
    & skf18("2","3","8","10","10","10","1") = "9"
    & skf18("2","3","9","1","1","1","1") = "8"
    & skf18("2","3","9","1","1","2","1") = "8"
    & skf18("2","3","9","1","1","3","1") = "8"
    & skf18("2","3","9","1","1","4","1") = "8"
    & skf18("2","3","9","1","1","5","1") = "8"
    & skf18("2","3","9","1","1","6","1") = "8"
    & skf18("2","3","9","1","1","7","1") = "8"
    & skf18("2","3","9","1","1","8","1") = "8"
    & skf18("2","3","9","1","1","9","1") = "8"
    & skf18("2","3","9","1","1","10","1") = "9"
    & skf18("2","3","9","1","2","1","1") = "8"
    & skf18("2","3","9","1","2","2","1") = "8"
    & skf18("2","3","9","1","2","3","1") = "8"
    & skf18("2","3","9","1","2","4","1") = "8"
    & skf18("2","3","9","1","2","5","1") = "8"
    & skf18("2","3","9","1","2","6","1") = "8"
    & skf18("2","3","9","1","2","7","1") = "8"
    & skf18("2","3","9","1","2","8","1") = "8"
    & skf18("2","3","9","1","2","9","1") = "8"
    & skf18("2","3","9","1","2","10","1") = "9"
    & skf18("2","3","9","1","3","1","1") = "8"
    & skf18("2","3","9","1","3","2","1") = "8"
    & skf18("2","3","9","1","3","3","1") = "8"
    & skf18("2","3","9","1","3","4","1") = "8"
    & skf18("2","3","9","1","3","5","1") = "8"
    & skf18("2","3","9","1","3","6","1") = "8"
    & skf18("2","3","9","1","3","7","1") = "8"
    & skf18("2","3","9","1","3","8","1") = "8"
    & skf18("2","3","9","1","3","9","1") = "8"
    & skf18("2","3","9","1","3","10","1") = "9"
    & skf18("2","3","9","1","4","1","1") = "8"
    & skf18("2","3","9","1","4","2","1") = "8"
    & skf18("2","3","9","1","4","3","1") = "8"
    & skf18("2","3","9","1","4","4","1") = "8"
    & skf18("2","3","9","1","4","5","1") = "8"
    & skf18("2","3","9","1","4","6","1") = "8"
    & skf18("2","3","9","1","4","7","1") = "8"
    & skf18("2","3","9","1","4","8","1") = "8"
    & skf18("2","3","9","1","4","9","1") = "8"
    & skf18("2","3","9","1","4","10","1") = "9"
    & skf18("2","3","9","1","5","1","1") = "8"
    & skf18("2","3","9","1","5","2","1") = "8"
    & skf18("2","3","9","1","5","3","1") = "8"
    & skf18("2","3","9","1","5","4","1") = "8"
    & skf18("2","3","9","1","5","5","1") = "8"
    & skf18("2","3","9","1","5","6","1") = "8"
    & skf18("2","3","9","1","5","7","1") = "8"
    & skf18("2","3","9","1","5","8","1") = "8"
    & skf18("2","3","9","1","5","9","1") = "8"
    & skf18("2","3","9","1","5","10","1") = "9"
    & skf18("2","3","9","1","6","1","1") = "8"
    & skf18("2","3","9","1","6","2","1") = "8"
    & skf18("2","3","9","1","6","3","1") = "8"
    & skf18("2","3","9","1","6","4","1") = "8"
    & skf18("2","3","9","1","6","5","1") = "8"
    & skf18("2","3","9","1","6","6","1") = "8"
    & skf18("2","3","9","1","6","7","1") = "8"
    & skf18("2","3","9","1","6","8","1") = "8"
    & skf18("2","3","9","1","6","9","1") = "8"
    & skf18("2","3","9","1","6","10","1") = "9"
    & skf18("2","3","9","1","7","1","1") = "8"
    & skf18("2","3","9","1","7","2","1") = "8"
    & skf18("2","3","9","1","7","3","1") = "8"
    & skf18("2","3","9","1","7","4","1") = "8"
    & skf18("2","3","9","1","7","5","1") = "8"
    & skf18("2","3","9","1","7","6","1") = "8"
    & skf18("2","3","9","1","7","7","1") = "8"
    & skf18("2","3","9","1","7","8","1") = "8"
    & skf18("2","3","9","1","7","9","1") = "8"
    & skf18("2","3","9","1","7","10","1") = "9"
    & skf18("2","3","9","1","8","1","1") = "8"
    & skf18("2","3","9","1","8","2","1") = "8"
    & skf18("2","3","9","1","8","3","1") = "8"
    & skf18("2","3","9","1","8","4","1") = "8"
    & skf18("2","3","9","1","8","5","1") = "8"
    & skf18("2","3","9","1","8","6","1") = "8"
    & skf18("2","3","9","1","8","7","1") = "8"
    & skf18("2","3","9","1","8","8","1") = "8"
    & skf18("2","3","9","1","8","9","1") = "8"
    & skf18("2","3","9","1","8","10","1") = "9"
    & skf18("2","3","9","1","9","1","1") = "8"
    & skf18("2","3","9","1","9","2","1") = "8"
    & skf18("2","3","9","1","9","3","1") = "8"
    & skf18("2","3","9","1","9","4","1") = "8"
    & skf18("2","3","9","1","9","5","1") = "8"
    & skf18("2","3","9","1","9","6","1") = "8"
    & skf18("2","3","9","1","9","7","1") = "8"
    & skf18("2","3","9","1","9","8","1") = "8"
    & skf18("2","3","9","1","9","9","1") = "8"
    & skf18("2","3","9","1","9","10","1") = "9"
    & skf18("2","3","9","1","10","1","1") = "9"
    & skf18("2","3","9","1","10","2","1") = "9"
    & skf18("2","3","9","1","10","3","1") = "9"
    & skf18("2","3","9","1","10","4","1") = "9"
    & skf18("2","3","9","1","10","5","1") = "9"
    & skf18("2","3","9","1","10","6","1") = "9"
    & skf18("2","3","9","1","10","7","1") = "9"
    & skf18("2","3","9","1","10","8","1") = "9"
    & skf18("2","3","9","1","10","9","1") = "9"
    & skf18("2","3","9","1","10","10","1") = "9"
    & skf18("2","3","9","2","1","1","1") = "8"
    & skf18("2","3","9","2","1","2","1") = "8"
    & skf18("2","3","9","2","1","3","1") = "8"
    & skf18("2","3","9","2","1","4","1") = "8"
    & skf18("2","3","9","2","1","5","1") = "8"
    & skf18("2","3","9","2","1","6","1") = "8"
    & skf18("2","3","9","2","1","7","1") = "8"
    & skf18("2","3","9","2","1","8","1") = "8"
    & skf18("2","3","9","2","1","9","1") = "8"
    & skf18("2","3","9","2","1","10","1") = "9"
    & skf18("2","3","9","2","2","1","1") = "8"
    & skf18("2","3","9","2","2","2","1") = "8"
    & skf18("2","3","9","2","2","3","1") = "8"
    & skf18("2","3","9","2","2","4","1") = "8"
    & skf18("2","3","9","2","2","5","1") = "8"
    & skf18("2","3","9","2","2","6","1") = "8"
    & skf18("2","3","9","2","2","7","1") = "8"
    & skf18("2","3","9","2","2","8","1") = "8"
    & skf18("2","3","9","2","2","9","1") = "8"
    & skf18("2","3","9","2","2","10","1") = "9"
    & skf18("2","3","9","2","3","1","1") = "8"
    & skf18("2","3","9","2","3","2","1") = "8"
    & skf18("2","3","9","2","3","3","1") = "8"
    & skf18("2","3","9","2","3","4","1") = "8"
    & skf18("2","3","9","2","3","5","1") = "8"
    & skf18("2","3","9","2","3","6","1") = "8"
    & skf18("2","3","9","2","3","7","1") = "8"
    & skf18("2","3","9","2","3","8","1") = "8"
    & skf18("2","3","9","2","3","9","1") = "8"
    & skf18("2","3","9","2","3","10","1") = "9"
    & skf18("2","3","9","2","4","1","1") = "8"
    & skf18("2","3","9","2","4","2","1") = "8"
    & skf18("2","3","9","2","4","3","1") = "8"
    & skf18("2","3","9","2","4","4","1") = "8"
    & skf18("2","3","9","2","4","5","1") = "8"
    & skf18("2","3","9","2","4","6","1") = "8"
    & skf18("2","3","9","2","4","7","1") = "8"
    & skf18("2","3","9","2","4","8","1") = "8"
    & skf18("2","3","9","2","4","9","1") = "8"
    & skf18("2","3","9","2","4","10","1") = "9"
    & skf18("2","3","9","2","5","1","1") = "8"
    & skf18("2","3","9","2","5","2","1") = "8"
    & skf18("2","3","9","2","5","3","1") = "8"
    & skf18("2","3","9","2","5","4","1") = "8"
    & skf18("2","3","9","2","5","5","1") = "8"
    & skf18("2","3","9","2","5","6","1") = "8"
    & skf18("2","3","9","2","5","7","1") = "8"
    & skf18("2","3","9","2","5","8","1") = "8"
    & skf18("2","3","9","2","5","9","1") = "8"
    & skf18("2","3","9","2","5","10","1") = "9"
    & skf18("2","3","9","2","6","1","1") = "8"
    & skf18("2","3","9","2","6","2","1") = "8"
    & skf18("2","3","9","2","6","3","1") = "8"
    & skf18("2","3","9","2","6","4","1") = "8"
    & skf18("2","3","9","2","6","5","1") = "8"
    & skf18("2","3","9","2","6","6","1") = "8"
    & skf18("2","3","9","2","6","7","1") = "8"
    & skf18("2","3","9","2","6","8","1") = "8"
    & skf18("2","3","9","2","6","9","1") = "8"
    & skf18("2","3","9","2","6","10","1") = "9"
    & skf18("2","3","9","2","7","1","1") = "8"
    & skf18("2","3","9","2","7","2","1") = "8"
    & skf18("2","3","9","2","7","3","1") = "8"
    & skf18("2","3","9","2","7","4","1") = "8"
    & skf18("2","3","9","2","7","5","1") = "8"
    & skf18("2","3","9","2","7","6","1") = "8"
    & skf18("2","3","9","2","7","7","1") = "8"
    & skf18("2","3","9","2","7","8","1") = "8"
    & skf18("2","3","9","2","7","9","1") = "8"
    & skf18("2","3","9","2","7","10","1") = "9"
    & skf18("2","3","9","2","8","1","1") = "8"
    & skf18("2","3","9","2","8","2","1") = "8"
    & skf18("2","3","9","2","8","3","1") = "8"
    & skf18("2","3","9","2","8","4","1") = "8"
    & skf18("2","3","9","2","8","5","1") = "8"
    & skf18("2","3","9","2","8","6","1") = "8"
    & skf18("2","3","9","2","8","7","1") = "8"
    & skf18("2","3","9","2","8","8","1") = "8"
    & skf18("2","3","9","2","8","9","1") = "8"
    & skf18("2","3","9","2","8","10","1") = "9"
    & skf18("2","3","9","2","9","1","1") = "8"
    & skf18("2","3","9","2","9","2","1") = "8"
    & skf18("2","3","9","2","9","3","1") = "8"
    & skf18("2","3","9","2","9","4","1") = "8"
    & skf18("2","3","9","2","9","5","1") = "8"
    & skf18("2","3","9","2","9","6","1") = "8"
    & skf18("2","3","9","2","9","7","1") = "8"
    & skf18("2","3","9","2","9","8","1") = "8"
    & skf18("2","3","9","2","9","9","1") = "8"
    & skf18("2","3","9","2","9","10","1") = "9"
    & skf18("2","3","9","2","10","1","1") = "9"
    & skf18("2","3","9","2","10","2","1") = "9"
    & skf18("2","3","9","2","10","3","1") = "9"
    & skf18("2","3","9","2","10","4","1") = "9"
    & skf18("2","3","9","2","10","5","1") = "9"
    & skf18("2","3","9","2","10","6","1") = "9"
    & skf18("2","3","9","2","10","7","1") = "9"
    & skf18("2","3","9","2","10","8","1") = "9"
    & skf18("2","3","9","2","10","9","1") = "9"
    & skf18("2","3","9","2","10","10","1") = "9"
    & skf18("2","3","9","3","1","1","1") = "8"
    & skf18("2","3","9","3","1","2","1") = "8"
    & skf18("2","3","9","3","1","3","1") = "8"
    & skf18("2","3","9","3","1","4","1") = "8"
    & skf18("2","3","9","3","1","5","1") = "8"
    & skf18("2","3","9","3","1","6","1") = "8"
    & skf18("2","3","9","3","1","7","1") = "8"
    & skf18("2","3","9","3","1","8","1") = "8"
    & skf18("2","3","9","3","1","9","1") = "8"
    & skf18("2","3","9","3","1","10","1") = "9"
    & skf18("2","3","9","3","2","1","1") = "8"
    & skf18("2","3","9","3","2","2","1") = "8"
    & skf18("2","3","9","3","2","3","1") = "8"
    & skf18("2","3","9","3","2","4","1") = "8"
    & skf18("2","3","9","3","2","5","1") = "8"
    & skf18("2","3","9","3","2","6","1") = "8"
    & skf18("2","3","9","3","2","7","1") = "8"
    & skf18("2","3","9","3","2","8","1") = "8"
    & skf18("2","3","9","3","2","9","1") = "8"
    & skf18("2","3","9","3","2","10","1") = "9"
    & skf18("2","3","9","3","3","1","1") = "8"
    & skf18("2","3","9","3","3","2","1") = "8"
    & skf18("2","3","9","3","3","3","1") = "8"
    & skf18("2","3","9","3","3","4","1") = "8"
    & skf18("2","3","9","3","3","5","1") = "8"
    & skf18("2","3","9","3","3","6","1") = "8"
    & skf18("2","3","9","3","3","7","1") = "8"
    & skf18("2","3","9","3","3","8","1") = "8"
    & skf18("2","3","9","3","3","9","1") = "8"
    & skf18("2","3","9","3","3","10","1") = "9"
    & skf18("2","3","9","3","4","1","1") = "8"
    & skf18("2","3","9","3","4","2","1") = "8"
    & skf18("2","3","9","3","4","3","1") = "8"
    & skf18("2","3","9","3","4","4","1") = "8"
    & skf18("2","3","9","3","4","5","1") = "8"
    & skf18("2","3","9","3","4","6","1") = "8"
    & skf18("2","3","9","3","4","7","1") = "8"
    & skf18("2","3","9","3","4","8","1") = "8"
    & skf18("2","3","9","3","4","9","1") = "8"
    & skf18("2","3","9","3","4","10","1") = "9"
    & skf18("2","3","9","3","5","1","1") = "8"
    & skf18("2","3","9","3","5","2","1") = "8"
    & skf18("2","3","9","3","5","3","1") = "8"
    & skf18("2","3","9","3","5","4","1") = "8"
    & skf18("2","3","9","3","5","5","1") = "8"
    & skf18("2","3","9","3","5","6","1") = "8"
    & skf18("2","3","9","3","5","7","1") = "8"
    & skf18("2","3","9","3","5","8","1") = "8"
    & skf18("2","3","9","3","5","9","1") = "8"
    & skf18("2","3","9","3","5","10","1") = "9"
    & skf18("2","3","9","3","6","1","1") = "8"
    & skf18("2","3","9","3","6","2","1") = "8"
    & skf18("2","3","9","3","6","3","1") = "8"
    & skf18("2","3","9","3","6","4","1") = "8"
    & skf18("2","3","9","3","6","5","1") = "8"
    & skf18("2","3","9","3","6","6","1") = "8"
    & skf18("2","3","9","3","6","7","1") = "8"
    & skf18("2","3","9","3","6","8","1") = "8"
    & skf18("2","3","9","3","6","9","1") = "8"
    & skf18("2","3","9","3","6","10","1") = "9"
    & skf18("2","3","9","3","7","1","1") = "8"
    & skf18("2","3","9","3","7","2","1") = "8"
    & skf18("2","3","9","3","7","3","1") = "8"
    & skf18("2","3","9","3","7","4","1") = "8"
    & skf18("2","3","9","3","7","5","1") = "8"
    & skf18("2","3","9","3","7","6","1") = "8"
    & skf18("2","3","9","3","7","7","1") = "8"
    & skf18("2","3","9","3","7","8","1") = "8"
    & skf18("2","3","9","3","7","9","1") = "8"
    & skf18("2","3","9","3","7","10","1") = "9"
    & skf18("2","3","9","3","8","1","1") = "8"
    & skf18("2","3","9","3","8","2","1") = "8"
    & skf18("2","3","9","3","8","3","1") = "8"
    & skf18("2","3","9","3","8","4","1") = "8"
    & skf18("2","3","9","3","8","5","1") = "8"
    & skf18("2","3","9","3","8","6","1") = "8"
    & skf18("2","3","9","3","8","7","1") = "8"
    & skf18("2","3","9","3","8","8","1") = "8"
    & skf18("2","3","9","3","8","9","1") = "8"
    & skf18("2","3","9","3","8","10","1") = "9"
    & skf18("2","3","9","3","9","1","1") = "8"
    & skf18("2","3","9","3","9","2","1") = "8"
    & skf18("2","3","9","3","9","3","1") = "8"
    & skf18("2","3","9","3","9","4","1") = "8"
    & skf18("2","3","9","3","9","5","1") = "8"
    & skf18("2","3","9","3","9","6","1") = "8"
    & skf18("2","3","9","3","9","7","1") = "8"
    & skf18("2","3","9","3","9","8","1") = "8"
    & skf18("2","3","9","3","9","9","1") = "8"
    & skf18("2","3","9","3","9","10","1") = "9"
    & skf18("2","3","9","3","10","1","1") = "9"
    & skf18("2","3","9","3","10","2","1") = "9"
    & skf18("2","3","9","3","10","3","1") = "9"
    & skf18("2","3","9","3","10","4","1") = "9"
    & skf18("2","3","9","3","10","5","1") = "9"
    & skf18("2","3","9","3","10","6","1") = "9"
    & skf18("2","3","9","3","10","7","1") = "9"
    & skf18("2","3","9","3","10","8","1") = "9"
    & skf18("2","3","9","3","10","9","1") = "9"
    & skf18("2","3","9","3","10","10","1") = "9"
    & skf18("2","3","9","4","1","1","1") = "8"
    & skf18("2","3","9","4","1","2","1") = "8"
    & skf18("2","3","9","4","1","3","1") = "8"
    & skf18("2","3","9","4","1","4","1") = "8"
    & skf18("2","3","9","4","1","5","1") = "8"
    & skf18("2","3","9","4","1","6","1") = "8"
    & skf18("2","3","9","4","1","7","1") = "8"
    & skf18("2","3","9","4","1","8","1") = "8"
    & skf18("2","3","9","4","1","9","1") = "8"
    & skf18("2","3","9","4","1","10","1") = "9"
    & skf18("2","3","9","4","2","1","1") = "8"
    & skf18("2","3","9","4","2","2","1") = "8"
    & skf18("2","3","9","4","2","3","1") = "8"
    & skf18("2","3","9","4","2","4","1") = "8"
    & skf18("2","3","9","4","2","5","1") = "8"
    & skf18("2","3","9","4","2","6","1") = "8"
    & skf18("2","3","9","4","2","7","1") = "8"
    & skf18("2","3","9","4","2","8","1") = "8"
    & skf18("2","3","9","4","2","9","1") = "8"
    & skf18("2","3","9","4","2","10","1") = "9"
    & skf18("2","3","9","4","3","1","1") = "8"
    & skf18("2","3","9","4","3","2","1") = "8"
    & skf18("2","3","9","4","3","3","1") = "8"
    & skf18("2","3","9","4","3","4","1") = "8"
    & skf18("2","3","9","4","3","5","1") = "8"
    & skf18("2","3","9","4","3","6","1") = "8"
    & skf18("2","3","9","4","3","7","1") = "8"
    & skf18("2","3","9","4","3","8","1") = "8"
    & skf18("2","3","9","4","3","9","1") = "8"
    & skf18("2","3","9","4","3","10","1") = "9"
    & skf18("2","3","9","4","4","1","1") = "8"
    & skf18("2","3","9","4","4","2","1") = "8"
    & skf18("2","3","9","4","4","3","1") = "8"
    & skf18("2","3","9","4","4","4","1") = "8"
    & skf18("2","3","9","4","4","5","1") = "8"
    & skf18("2","3","9","4","4","6","1") = "8"
    & skf18("2","3","9","4","4","7","1") = "8"
    & skf18("2","3","9","4","4","8","1") = "8"
    & skf18("2","3","9","4","4","9","1") = "8"
    & skf18("2","3","9","4","4","10","1") = "9"
    & skf18("2","3","9","4","5","1","1") = "8"
    & skf18("2","3","9","4","5","2","1") = "8"
    & skf18("2","3","9","4","5","3","1") = "8"
    & skf18("2","3","9","4","5","4","1") = "8"
    & skf18("2","3","9","4","5","5","1") = "8"
    & skf18("2","3","9","4","5","6","1") = "8"
    & skf18("2","3","9","4","5","7","1") = "8"
    & skf18("2","3","9","4","5","8","1") = "8"
    & skf18("2","3","9","4","5","9","1") = "8"
    & skf18("2","3","9","4","5","10","1") = "9"
    & skf18("2","3","9","4","6","1","1") = "8"
    & skf18("2","3","9","4","6","2","1") = "8"
    & skf18("2","3","9","4","6","3","1") = "8"
    & skf18("2","3","9","4","6","4","1") = "8"
    & skf18("2","3","9","4","6","5","1") = "8"
    & skf18("2","3","9","4","6","6","1") = "8"
    & skf18("2","3","9","4","6","7","1") = "8"
    & skf18("2","3","9","4","6","8","1") = "8"
    & skf18("2","3","9","4","6","9","1") = "8"
    & skf18("2","3","9","4","6","10","1") = "9"
    & skf18("2","3","9","4","7","1","1") = "8"
    & skf18("2","3","9","4","7","2","1") = "8"
    & skf18("2","3","9","4","7","3","1") = "8"
    & skf18("2","3","9","4","7","4","1") = "8"
    & skf18("2","3","9","4","7","5","1") = "8"
    & skf18("2","3","9","4","7","6","1") = "8"
    & skf18("2","3","9","4","7","7","1") = "8"
    & skf18("2","3","9","4","7","8","1") = "8"
    & skf18("2","3","9","4","7","9","1") = "8"
    & skf18("2","3","9","4","7","10","1") = "9"
    & skf18("2","3","9","4","8","1","1") = "8"
    & skf18("2","3","9","4","8","2","1") = "8"
    & skf18("2","3","9","4","8","3","1") = "8"
    & skf18("2","3","9","4","8","4","1") = "8"
    & skf18("2","3","9","4","8","5","1") = "8"
    & skf18("2","3","9","4","8","6","1") = "8"
    & skf18("2","3","9","4","8","7","1") = "8"
    & skf18("2","3","9","4","8","8","1") = "8"
    & skf18("2","3","9","4","8","9","1") = "8"
    & skf18("2","3","9","4","8","10","1") = "9"
    & skf18("2","3","9","4","9","1","1") = "8"
    & skf18("2","3","9","4","9","2","1") = "8"
    & skf18("2","3","9","4","9","3","1") = "8"
    & skf18("2","3","9","4","9","4","1") = "8"
    & skf18("2","3","9","4","9","5","1") = "8"
    & skf18("2","3","9","4","9","6","1") = "8"
    & skf18("2","3","9","4","9","7","1") = "8"
    & skf18("2","3","9","4","9","8","1") = "8"
    & skf18("2","3","9","4","9","9","1") = "8"
    & skf18("2","3","9","4","9","10","1") = "9"
    & skf18("2","3","9","4","10","1","1") = "9"
    & skf18("2","3","9","4","10","2","1") = "9"
    & skf18("2","3","9","4","10","3","1") = "9"
    & skf18("2","3","9","4","10","4","1") = "9"
    & skf18("2","3","9","4","10","5","1") = "9"
    & skf18("2","3","9","4","10","6","1") = "9"
    & skf18("2","3","9","4","10","7","1") = "9"
    & skf18("2","3","9","4","10","8","1") = "9"
    & skf18("2","3","9","4","10","9","1") = "9"
    & skf18("2","3","9","4","10","10","1") = "9"
    & skf18("2","3","9","5","1","1","1") = "8"
    & skf18("2","3","9","5","1","2","1") = "8"
    & skf18("2","3","9","5","1","3","1") = "8"
    & skf18("2","3","9","5","1","4","1") = "8"
    & skf18("2","3","9","5","1","5","1") = "8"
    & skf18("2","3","9","5","1","6","1") = "8"
    & skf18("2","3","9","5","1","7","1") = "8"
    & skf18("2","3","9","5","1","8","1") = "8"
    & skf18("2","3","9","5","1","9","1") = "8"
    & skf18("2","3","9","5","1","10","1") = "9"
    & skf18("2","3","9","5","2","1","1") = "8"
    & skf18("2","3","9","5","2","2","1") = "8"
    & skf18("2","3","9","5","2","3","1") = "8"
    & skf18("2","3","9","5","2","4","1") = "8"
    & skf18("2","3","9","5","2","5","1") = "8"
    & skf18("2","3","9","5","2","6","1") = "8"
    & skf18("2","3","9","5","2","7","1") = "8"
    & skf18("2","3","9","5","2","8","1") = "8"
    & skf18("2","3","9","5","2","9","1") = "8"
    & skf18("2","3","9","5","2","10","1") = "9"
    & skf18("2","3","9","5","3","1","1") = "8"
    & skf18("2","3","9","5","3","2","1") = "8"
    & skf18("2","3","9","5","3","3","1") = "8"
    & skf18("2","3","9","5","3","4","1") = "8"
    & skf18("2","3","9","5","3","5","1") = "8"
    & skf18("2","3","9","5","3","6","1") = "8"
    & skf18("2","3","9","5","3","7","1") = "8"
    & skf18("2","3","9","5","3","8","1") = "8"
    & skf18("2","3","9","5","3","9","1") = "8"
    & skf18("2","3","9","5","3","10","1") = "9"
    & skf18("2","3","9","5","4","1","1") = "8"
    & skf18("2","3","9","5","4","2","1") = "8"
    & skf18("2","3","9","5","4","3","1") = "8"
    & skf18("2","3","9","5","4","4","1") = "8"
    & skf18("2","3","9","5","4","5","1") = "8"
    & skf18("2","3","9","5","4","6","1") = "8"
    & skf18("2","3","9","5","4","7","1") = "8"
    & skf18("2","3","9","5","4","8","1") = "8"
    & skf18("2","3","9","5","4","9","1") = "8"
    & skf18("2","3","9","5","4","10","1") = "9"
    & skf18("2","3","9","5","5","1","1") = "8"
    & skf18("2","3","9","5","5","2","1") = "8"
    & skf18("2","3","9","5","5","3","1") = "8"
    & skf18("2","3","9","5","5","4","1") = "8"
    & skf18("2","3","9","5","5","5","1") = "8"
    & skf18("2","3","9","5","5","6","1") = "8"
    & skf18("2","3","9","5","5","7","1") = "8"
    & skf18("2","3","9","5","5","8","1") = "8"
    & skf18("2","3","9","5","5","9","1") = "8"
    & skf18("2","3","9","5","5","10","1") = "9"
    & skf18("2","3","9","5","6","1","1") = "8"
    & skf18("2","3","9","5","6","2","1") = "8"
    & skf18("2","3","9","5","6","3","1") = "8"
    & skf18("2","3","9","5","6","4","1") = "8"
    & skf18("2","3","9","5","6","5","1") = "8"
    & skf18("2","3","9","5","6","6","1") = "8"
    & skf18("2","3","9","5","6","7","1") = "8"
    & skf18("2","3","9","5","6","8","1") = "8"
    & skf18("2","3","9","5","6","9","1") = "8"
    & skf18("2","3","9","5","6","10","1") = "9"
    & skf18("2","3","9","5","7","1","1") = "8"
    & skf18("2","3","9","5","7","2","1") = "8"
    & skf18("2","3","9","5","7","3","1") = "8"
    & skf18("2","3","9","5","7","4","1") = "8"
    & skf18("2","3","9","5","7","5","1") = "8"
    & skf18("2","3","9","5","7","6","1") = "8"
    & skf18("2","3","9","5","7","7","1") = "8"
    & skf18("2","3","9","5","7","8","1") = "8"
    & skf18("2","3","9","5","7","9","1") = "8"
    & skf18("2","3","9","5","7","10","1") = "9"
    & skf18("2","3","9","5","8","1","1") = "8"
    & skf18("2","3","9","5","8","2","1") = "8"
    & skf18("2","3","9","5","8","3","1") = "8"
    & skf18("2","3","9","5","8","4","1") = "8"
    & skf18("2","3","9","5","8","5","1") = "8"
    & skf18("2","3","9","5","8","6","1") = "8"
    & skf18("2","3","9","5","8","7","1") = "8"
    & skf18("2","3","9","5","8","8","1") = "8"
    & skf18("2","3","9","5","8","9","1") = "8"
    & skf18("2","3","9","5","8","10","1") = "9"
    & skf18("2","3","9","5","9","1","1") = "8"
    & skf18("2","3","9","5","9","2","1") = "8"
    & skf18("2","3","9","5","9","3","1") = "8"
    & skf18("2","3","9","5","9","4","1") = "8"
    & skf18("2","3","9","5","9","5","1") = "8"
    & skf18("2","3","9","5","9","6","1") = "8"
    & skf18("2","3","9","5","9","7","1") = "8"
    & skf18("2","3","9","5","9","8","1") = "8"
    & skf18("2","3","9","5","9","9","1") = "8"
    & skf18("2","3","9","5","9","10","1") = "9"
    & skf18("2","3","9","5","10","1","1") = "9"
    & skf18("2","3","9","5","10","2","1") = "9"
    & skf18("2","3","9","5","10","3","1") = "9"
    & skf18("2","3","9","5","10","4","1") = "9"
    & skf18("2","3","9","5","10","5","1") = "9"
    & skf18("2","3","9","5","10","6","1") = "9"
    & skf18("2","3","9","5","10","7","1") = "9"
    & skf18("2","3","9","5","10","8","1") = "9"
    & skf18("2","3","9","5","10","9","1") = "9"
    & skf18("2","3","9","5","10","10","1") = "9"
    & skf18("2","3","9","6","1","1","1") = "8"
    & skf18("2","3","9","6","1","2","1") = "8"
    & skf18("2","3","9","6","1","3","1") = "8"
    & skf18("2","3","9","6","1","4","1") = "8"
    & skf18("2","3","9","6","1","5","1") = "8"
    & skf18("2","3","9","6","1","6","1") = "8"
    & skf18("2","3","9","6","1","7","1") = "8"
    & skf18("2","3","9","6","1","8","1") = "8"
    & skf18("2","3","9","6","1","9","1") = "8"
    & skf18("2","3","9","6","1","10","1") = "9"
    & skf18("2","3","9","6","2","1","1") = "8"
    & skf18("2","3","9","6","2","2","1") = "8"
    & skf18("2","3","9","6","2","3","1") = "8"
    & skf18("2","3","9","6","2","4","1") = "8"
    & skf18("2","3","9","6","2","5","1") = "8"
    & skf18("2","3","9","6","2","6","1") = "8"
    & skf18("2","3","9","6","2","7","1") = "8"
    & skf18("2","3","9","6","2","8","1") = "8"
    & skf18("2","3","9","6","2","9","1") = "8"
    & skf18("2","3","9","6","2","10","1") = "9"
    & skf18("2","3","9","6","3","1","1") = "8"
    & skf18("2","3","9","6","3","2","1") = "8"
    & skf18("2","3","9","6","3","3","1") = "8"
    & skf18("2","3","9","6","3","4","1") = "8"
    & skf18("2","3","9","6","3","5","1") = "8"
    & skf18("2","3","9","6","3","6","1") = "8"
    & skf18("2","3","9","6","3","7","1") = "8"
    & skf18("2","3","9","6","3","8","1") = "8"
    & skf18("2","3","9","6","3","9","1") = "8"
    & skf18("2","3","9","6","3","10","1") = "9"
    & skf18("2","3","9","6","4","1","1") = "8"
    & skf18("2","3","9","6","4","2","1") = "8"
    & skf18("2","3","9","6","4","3","1") = "8"
    & skf18("2","3","9","6","4","4","1") = "8"
    & skf18("2","3","9","6","4","5","1") = "8"
    & skf18("2","3","9","6","4","6","1") = "8"
    & skf18("2","3","9","6","4","7","1") = "8"
    & skf18("2","3","9","6","4","8","1") = "8"
    & skf18("2","3","9","6","4","9","1") = "8"
    & skf18("2","3","9","6","4","10","1") = "9"
    & skf18("2","3","9","6","5","1","1") = "8"
    & skf18("2","3","9","6","5","2","1") = "8"
    & skf18("2","3","9","6","5","3","1") = "8"
    & skf18("2","3","9","6","5","4","1") = "8"
    & skf18("2","3","9","6","5","5","1") = "8"
    & skf18("2","3","9","6","5","6","1") = "8"
    & skf18("2","3","9","6","5","7","1") = "8"
    & skf18("2","3","9","6","5","8","1") = "8"
    & skf18("2","3","9","6","5","9","1") = "8"
    & skf18("2","3","9","6","5","10","1") = "9"
    & skf18("2","3","9","6","6","1","1") = "8"
    & skf18("2","3","9","6","6","2","1") = "8"
    & skf18("2","3","9","6","6","3","1") = "8"
    & skf18("2","3","9","6","6","4","1") = "8"
    & skf18("2","3","9","6","6","5","1") = "8"
    & skf18("2","3","9","6","6","6","1") = "8"
    & skf18("2","3","9","6","6","7","1") = "8"
    & skf18("2","3","9","6","6","8","1") = "8"
    & skf18("2","3","9","6","6","9","1") = "8"
    & skf18("2","3","9","6","6","10","1") = "9"
    & skf18("2","3","9","6","7","1","1") = "8"
    & skf18("2","3","9","6","7","2","1") = "8"
    & skf18("2","3","9","6","7","3","1") = "8"
    & skf18("2","3","9","6","7","4","1") = "8"
    & skf18("2","3","9","6","7","5","1") = "8"
    & skf18("2","3","9","6","7","6","1") = "8"
    & skf18("2","3","9","6","7","7","1") = "8"
    & skf18("2","3","9","6","7","8","1") = "8"
    & skf18("2","3","9","6","7","9","1") = "8"
    & skf18("2","3","9","6","7","10","1") = "9"
    & skf18("2","3","9","6","8","1","1") = "8"
    & skf18("2","3","9","6","8","2","1") = "8"
    & skf18("2","3","9","6","8","3","1") = "8"
    & skf18("2","3","9","6","8","4","1") = "8"
    & skf18("2","3","9","6","8","5","1") = "8"
    & skf18("2","3","9","6","8","6","1") = "8"
    & skf18("2","3","9","6","8","7","1") = "8"
    & skf18("2","3","9","6","8","8","1") = "8"
    & skf18("2","3","9","6","8","9","1") = "8"
    & skf18("2","3","9","6","8","10","1") = "9"
    & skf18("2","3","9","6","9","1","1") = "8"
    & skf18("2","3","9","6","9","2","1") = "8"
    & skf18("2","3","9","6","9","3","1") = "8"
    & skf18("2","3","9","6","9","4","1") = "8"
    & skf18("2","3","9","6","9","5","1") = "8"
    & skf18("2","3","9","6","9","6","1") = "8"
    & skf18("2","3","9","6","9","7","1") = "8"
    & skf18("2","3","9","6","9","8","1") = "8"
    & skf18("2","3","9","6","9","9","1") = "8"
    & skf18("2","3","9","6","9","10","1") = "9"
    & skf18("2","3","9","6","10","1","1") = "9"
    & skf18("2","3","9","6","10","2","1") = "9"
    & skf18("2","3","9","6","10","3","1") = "9"
    & skf18("2","3","9","6","10","4","1") = "9"
    & skf18("2","3","9","6","10","5","1") = "9"
    & skf18("2","3","9","6","10","6","1") = "9"
    & skf18("2","3","9","6","10","7","1") = "9"
    & skf18("2","3","9","6","10","8","1") = "9"
    & skf18("2","3","9","6","10","9","1") = "9"
    & skf18("2","3","9","6","10","10","1") = "9"
    & skf18("2","3","9","7","1","1","1") = "8"
    & skf18("2","3","9","7","1","2","1") = "8"
    & skf18("2","3","9","7","1","3","1") = "8"
    & skf18("2","3","9","7","1","4","1") = "8"
    & skf18("2","3","9","7","1","5","1") = "8"
    & skf18("2","3","9","7","1","6","1") = "8"
    & skf18("2","3","9","7","1","7","1") = "8"
    & skf18("2","3","9","7","1","8","1") = "8"
    & skf18("2","3","9","7","1","9","1") = "8"
    & skf18("2","3","9","7","1","10","1") = "9"
    & skf18("2","3","9","7","2","1","1") = "8"
    & skf18("2","3","9","7","2","2","1") = "8"
    & skf18("2","3","9","7","2","3","1") = "8"
    & skf18("2","3","9","7","2","4","1") = "8"
    & skf18("2","3","9","7","2","5","1") = "8"
    & skf18("2","3","9","7","2","6","1") = "8"
    & skf18("2","3","9","7","2","7","1") = "8"
    & skf18("2","3","9","7","2","8","1") = "8"
    & skf18("2","3","9","7","2","9","1") = "8"
    & skf18("2","3","9","7","2","10","1") = "9"
    & skf18("2","3","9","7","3","1","1") = "8"
    & skf18("2","3","9","7","3","2","1") = "8"
    & skf18("2","3","9","7","3","3","1") = "8"
    & skf18("2","3","9","7","3","4","1") = "8"
    & skf18("2","3","9","7","3","5","1") = "8"
    & skf18("2","3","9","7","3","6","1") = "8"
    & skf18("2","3","9","7","3","7","1") = "8"
    & skf18("2","3","9","7","3","8","1") = "8"
    & skf18("2","3","9","7","3","9","1") = "8"
    & skf18("2","3","9","7","3","10","1") = "9"
    & skf18("2","3","9","7","4","1","1") = "8"
    & skf18("2","3","9","7","4","2","1") = "8"
    & skf18("2","3","9","7","4","3","1") = "8"
    & skf18("2","3","9","7","4","4","1") = "8"
    & skf18("2","3","9","7","4","5","1") = "8"
    & skf18("2","3","9","7","4","6","1") = "8"
    & skf18("2","3","9","7","4","7","1") = "8"
    & skf18("2","3","9","7","4","8","1") = "8"
    & skf18("2","3","9","7","4","9","1") = "8"
    & skf18("2","3","9","7","4","10","1") = "9"
    & skf18("2","3","9","7","5","1","1") = "8"
    & skf18("2","3","9","7","5","2","1") = "8"
    & skf18("2","3","9","7","5","3","1") = "8"
    & skf18("2","3","9","7","5","4","1") = "8"
    & skf18("2","3","9","7","5","5","1") = "8"
    & skf18("2","3","9","7","5","6","1") = "8"
    & skf18("2","3","9","7","5","7","1") = "8"
    & skf18("2","3","9","7","5","8","1") = "8"
    & skf18("2","3","9","7","5","9","1") = "8"
    & skf18("2","3","9","7","5","10","1") = "9"
    & skf18("2","3","9","7","6","1","1") = "8"
    & skf18("2","3","9","7","6","2","1") = "8"
    & skf18("2","3","9","7","6","3","1") = "8"
    & skf18("2","3","9","7","6","4","1") = "8"
    & skf18("2","3","9","7","6","5","1") = "8"
    & skf18("2","3","9","7","6","6","1") = "8"
    & skf18("2","3","9","7","6","7","1") = "8"
    & skf18("2","3","9","7","6","8","1") = "8"
    & skf18("2","3","9","7","6","9","1") = "8"
    & skf18("2","3","9","7","6","10","1") = "9"
    & skf18("2","3","9","7","7","1","1") = "8"
    & skf18("2","3","9","7","7","2","1") = "8"
    & skf18("2","3","9","7","7","3","1") = "8"
    & skf18("2","3","9","7","7","4","1") = "8"
    & skf18("2","3","9","7","7","5","1") = "8"
    & skf18("2","3","9","7","7","6","1") = "8"
    & skf18("2","3","9","7","7","7","1") = "8"
    & skf18("2","3","9","7","7","8","1") = "8"
    & skf18("2","3","9","7","7","9","1") = "8"
    & skf18("2","3","9","7","7","10","1") = "9"
    & skf18("2","3","9","7","8","1","1") = "8"
    & skf18("2","3","9","7","8","2","1") = "8"
    & skf18("2","3","9","7","8","3","1") = "8"
    & skf18("2","3","9","7","8","4","1") = "8"
    & skf18("2","3","9","7","8","5","1") = "8"
    & skf18("2","3","9","7","8","6","1") = "8"
    & skf18("2","3","9","7","8","7","1") = "8"
    & skf18("2","3","9","7","8","8","1") = "8"
    & skf18("2","3","9","7","8","9","1") = "8"
    & skf18("2","3","9","7","8","10","1") = "9"
    & skf18("2","3","9","7","9","1","1") = "8"
    & skf18("2","3","9","7","9","2","1") = "8"
    & skf18("2","3","9","7","9","3","1") = "8"
    & skf18("2","3","9","7","9","4","1") = "8"
    & skf18("2","3","9","7","9","5","1") = "8"
    & skf18("2","3","9","7","9","6","1") = "8"
    & skf18("2","3","9","7","9","7","1") = "8"
    & skf18("2","3","9","7","9","8","1") = "8"
    & skf18("2","3","9","7","9","9","1") = "8"
    & skf18("2","3","9","7","9","10","1") = "9"
    & skf18("2","3","9","7","10","1","1") = "9"
    & skf18("2","3","9","7","10","2","1") = "9"
    & skf18("2","3","9","7","10","3","1") = "9"
    & skf18("2","3","9","7","10","4","1") = "9"
    & skf18("2","3","9","7","10","5","1") = "9"
    & skf18("2","3","9","7","10","6","1") = "9"
    & skf18("2","3","9","7","10","7","1") = "9"
    & skf18("2","3","9","7","10","8","1") = "9"
    & skf18("2","3","9","7","10","9","1") = "9"
    & skf18("2","3","9","7","10","10","1") = "9"
    & skf18("2","3","9","8","1","1","1") = "8"
    & skf18("2","3","9","8","1","2","1") = "8"
    & skf18("2","3","9","8","1","3","1") = "8"
    & skf18("2","3","9","8","1","4","1") = "8"
    & skf18("2","3","9","8","1","5","1") = "8"
    & skf18("2","3","9","8","1","6","1") = "8"
    & skf18("2","3","9","8","1","7","1") = "8"
    & skf18("2","3","9","8","1","8","1") = "8"
    & skf18("2","3","9","8","1","9","1") = "8"
    & skf18("2","3","9","8","1","10","1") = "9"
    & skf18("2","3","9","8","2","1","1") = "8"
    & skf18("2","3","9","8","2","2","1") = "8"
    & skf18("2","3","9","8","2","3","1") = "8"
    & skf18("2","3","9","8","2","4","1") = "8"
    & skf18("2","3","9","8","2","5","1") = "8"
    & skf18("2","3","9","8","2","6","1") = "8"
    & skf18("2","3","9","8","2","7","1") = "8"
    & skf18("2","3","9","8","2","8","1") = "8"
    & skf18("2","3","9","8","2","9","1") = "8"
    & skf18("2","3","9","8","2","10","1") = "9"
    & skf18("2","3","9","8","3","1","1") = "8"
    & skf18("2","3","9","8","3","2","1") = "8"
    & skf18("2","3","9","8","3","3","1") = "8"
    & skf18("2","3","9","8","3","4","1") = "8"
    & skf18("2","3","9","8","3","5","1") = "8"
    & skf18("2","3","9","8","3","6","1") = "8"
    & skf18("2","3","9","8","3","7","1") = "8"
    & skf18("2","3","9","8","3","8","1") = "8"
    & skf18("2","3","9","8","3","9","1") = "8"
    & skf18("2","3","9","8","3","10","1") = "9"
    & skf18("2","3","9","8","4","1","1") = "8"
    & skf18("2","3","9","8","4","2","1") = "8"
    & skf18("2","3","9","8","4","3","1") = "8"
    & skf18("2","3","9","8","4","4","1") = "8"
    & skf18("2","3","9","8","4","5","1") = "8"
    & skf18("2","3","9","8","4","6","1") = "8"
    & skf18("2","3","9","8","4","7","1") = "8"
    & skf18("2","3","9","8","4","8","1") = "8"
    & skf18("2","3","9","8","4","9","1") = "8"
    & skf18("2","3","9","8","4","10","1") = "9"
    & skf18("2","3","9","8","5","1","1") = "8"
    & skf18("2","3","9","8","5","2","1") = "8"
    & skf18("2","3","9","8","5","3","1") = "8"
    & skf18("2","3","9","8","5","4","1") = "8"
    & skf18("2","3","9","8","5","5","1") = "8"
    & skf18("2","3","9","8","5","6","1") = "8"
    & skf18("2","3","9","8","5","7","1") = "8"
    & skf18("2","3","9","8","5","8","1") = "8"
    & skf18("2","3","9","8","5","9","1") = "8"
    & skf18("2","3","9","8","5","10","1") = "9"
    & skf18("2","3","9","8","6","1","1") = "8"
    & skf18("2","3","9","8","6","2","1") = "8"
    & skf18("2","3","9","8","6","3","1") = "8"
    & skf18("2","3","9","8","6","4","1") = "8"
    & skf18("2","3","9","8","6","5","1") = "8"
    & skf18("2","3","9","8","6","6","1") = "8"
    & skf18("2","3","9","8","6","7","1") = "8"
    & skf18("2","3","9","8","6","8","1") = "8"
    & skf18("2","3","9","8","6","9","1") = "8"
    & skf18("2","3","9","8","6","10","1") = "9"
    & skf18("2","3","9","8","7","1","1") = "8"
    & skf18("2","3","9","8","7","2","1") = "8"
    & skf18("2","3","9","8","7","3","1") = "8"
    & skf18("2","3","9","8","7","4","1") = "8"
    & skf18("2","3","9","8","7","5","1") = "8"
    & skf18("2","3","9","8","7","6","1") = "8"
    & skf18("2","3","9","8","7","7","1") = "8"
    & skf18("2","3","9","8","7","8","1") = "8"
    & skf18("2","3","9","8","7","9","1") = "8"
    & skf18("2","3","9","8","7","10","1") = "9"
    & skf18("2","3","9","8","8","1","1") = "8"
    & skf18("2","3","9","8","8","2","1") = "8"
    & skf18("2","3","9","8","8","3","1") = "8"
    & skf18("2","3","9","8","8","4","1") = "8"
    & skf18("2","3","9","8","8","5","1") = "8"
    & skf18("2","3","9","8","8","6","1") = "8"
    & skf18("2","3","9","8","8","7","1") = "8"
    & skf18("2","3","9","8","8","8","1") = "8"
    & skf18("2","3","9","8","8","9","1") = "8"
    & skf18("2","3","9","8","8","10","1") = "9"
    & skf18("2","3","9","8","9","1","1") = "8"
    & skf18("2","3","9","8","9","2","1") = "8"
    & skf18("2","3","9","8","9","3","1") = "8"
    & skf18("2","3","9","8","9","4","1") = "8"
    & skf18("2","3","9","8","9","5","1") = "8"
    & skf18("2","3","9","8","9","6","1") = "8"
    & skf18("2","3","9","8","9","7","1") = "8"
    & skf18("2","3","9","8","9","8","1") = "8"
    & skf18("2","3","9","8","9","9","1") = "8"
    & skf18("2","3","9","8","9","10","1") = "9"
    & skf18("2","3","9","8","10","1","1") = "9"
    & skf18("2","3","9","8","10","2","1") = "9"
    & skf18("2","3","9","8","10","3","1") = "9"
    & skf18("2","3","9","8","10","4","1") = "9"
    & skf18("2","3","9","8","10","5","1") = "9"
    & skf18("2","3","9","8","10","6","1") = "9"
    & skf18("2","3","9","8","10","7","1") = "9"
    & skf18("2","3","9","8","10","8","1") = "9"
    & skf18("2","3","9","8","10","9","1") = "9"
    & skf18("2","3","9","8","10","10","1") = "9"
    & skf18("2","3","9","9","1","1","1") = "8"
    & skf18("2","3","9","9","1","2","1") = "8"
    & skf18("2","3","9","9","1","3","1") = "8"
    & skf18("2","3","9","9","1","4","1") = "8"
    & skf18("2","3","9","9","1","5","1") = "8"
    & skf18("2","3","9","9","1","6","1") = "8"
    & skf18("2","3","9","9","1","7","1") = "8"
    & skf18("2","3","9","9","1","8","1") = "8"
    & skf18("2","3","9","9","1","9","1") = "8"
    & skf18("2","3","9","9","1","10","1") = "9"
    & skf18("2","3","9","9","2","1","1") = "8"
    & skf18("2","3","9","9","2","2","1") = "8"
    & skf18("2","3","9","9","2","3","1") = "8"
    & skf18("2","3","9","9","2","4","1") = "8"
    & skf18("2","3","9","9","2","5","1") = "8"
    & skf18("2","3","9","9","2","6","1") = "8"
    & skf18("2","3","9","9","2","7","1") = "8"
    & skf18("2","3","9","9","2","8","1") = "8"
    & skf18("2","3","9","9","2","9","1") = "8"
    & skf18("2","3","9","9","2","10","1") = "9"
    & skf18("2","3","9","9","3","1","1") = "8"
    & skf18("2","3","9","9","3","2","1") = "8"
    & skf18("2","3","9","9","3","3","1") = "8"
    & skf18("2","3","9","9","3","4","1") = "8"
    & skf18("2","3","9","9","3","5","1") = "8"
    & skf18("2","3","9","9","3","6","1") = "8"
    & skf18("2","3","9","9","3","7","1") = "8"
    & skf18("2","3","9","9","3","8","1") = "8"
    & skf18("2","3","9","9","3","9","1") = "8"
    & skf18("2","3","9","9","3","10","1") = "9"
    & skf18("2","3","9","9","4","1","1") = "8"
    & skf18("2","3","9","9","4","2","1") = "8"
    & skf18("2","3","9","9","4","3","1") = "8"
    & skf18("2","3","9","9","4","4","1") = "8"
    & skf18("2","3","9","9","4","5","1") = "8"
    & skf18("2","3","9","9","4","6","1") = "8"
    & skf18("2","3","9","9","4","7","1") = "8"
    & skf18("2","3","9","9","4","8","1") = "8"
    & skf18("2","3","9","9","4","9","1") = "8"
    & skf18("2","3","9","9","4","10","1") = "9"
    & skf18("2","3","9","9","5","1","1") = "8"
    & skf18("2","3","9","9","5","2","1") = "8"
    & skf18("2","3","9","9","5","3","1") = "8"
    & skf18("2","3","9","9","5","4","1") = "8"
    & skf18("2","3","9","9","5","5","1") = "8"
    & skf18("2","3","9","9","5","6","1") = "8"
    & skf18("2","3","9","9","5","7","1") = "8"
    & skf18("2","3","9","9","5","8","1") = "8"
    & skf18("2","3","9","9","5","9","1") = "8"
    & skf18("2","3","9","9","5","10","1") = "9"
    & skf18("2","3","9","9","6","1","1") = "8"
    & skf18("2","3","9","9","6","2","1") = "8"
    & skf18("2","3","9","9","6","3","1") = "8"
    & skf18("2","3","9","9","6","4","1") = "8"
    & skf18("2","3","9","9","6","5","1") = "8"
    & skf18("2","3","9","9","6","6","1") = "8"
    & skf18("2","3","9","9","6","7","1") = "8"
    & skf18("2","3","9","9","6","8","1") = "8"
    & skf18("2","3","9","9","6","9","1") = "8"
    & skf18("2","3","9","9","6","10","1") = "9"
    & skf18("2","3","9","9","7","1","1") = "8"
    & skf18("2","3","9","9","7","2","1") = "8"
    & skf18("2","3","9","9","7","3","1") = "8"
    & skf18("2","3","9","9","7","4","1") = "8"
    & skf18("2","3","9","9","7","5","1") = "8"
    & skf18("2","3","9","9","7","6","1") = "8"
    & skf18("2","3","9","9","7","7","1") = "8"
    & skf18("2","3","9","9","7","8","1") = "8"
    & skf18("2","3","9","9","7","9","1") = "8"
    & skf18("2","3","9","9","7","10","1") = "9"
    & skf18("2","3","9","9","8","1","1") = "8"
    & skf18("2","3","9","9","8","2","1") = "8"
    & skf18("2","3","9","9","8","3","1") = "8"
    & skf18("2","3","9","9","8","4","1") = "8"
    & skf18("2","3","9","9","8","5","1") = "8"
    & skf18("2","3","9","9","8","6","1") = "8"
    & skf18("2","3","9","9","8","7","1") = "8"
    & skf18("2","3","9","9","8","8","1") = "8"
    & skf18("2","3","9","9","8","9","1") = "8"
    & skf18("2","3","9","9","8","10","1") = "9"
    & skf18("2","3","9","9","9","1","1") = "8"
    & skf18("2","3","9","9","9","2","1") = "8"
    & skf18("2","3","9","9","9","3","1") = "8"
    & skf18("2","3","9","9","9","4","1") = "8"
    & skf18("2","3","9","9","9","5","1") = "8"
    & skf18("2","3","9","9","9","6","1") = "8"
    & skf18("2","3","9","9","9","7","1") = "8"
    & skf18("2","3","9","9","9","8","1") = "8"
    & skf18("2","3","9","9","9","9","1") = "8"
    & skf18("2","3","9","9","9","10","1") = "9"
    & skf18("2","3","9","9","10","1","1") = "9"
    & skf18("2","3","9","9","10","2","1") = "9"
    & skf18("2","3","9","9","10","3","1") = "9"
    & skf18("2","3","9","9","10","4","1") = "9"
    & skf18("2","3","9","9","10","5","1") = "9"
    & skf18("2","3","9","9","10","6","1") = "9"
    & skf18("2","3","9","9","10","7","1") = "9"
    & skf18("2","3","9","9","10","8","1") = "9"
    & skf18("2","3","9","9","10","9","1") = "9"
    & skf18("2","3","9","9","10","10","1") = "9"
    & skf18("2","3","9","10","1","1","1") = "9"
    & skf18("2","3","9","10","1","2","1") = "9"
    & skf18("2","3","9","10","1","3","1") = "9"
    & skf18("2","3","9","10","1","4","1") = "9"
    & skf18("2","3","9","10","1","5","1") = "9"
    & skf18("2","3","9","10","1","6","1") = "9"
    & skf18("2","3","9","10","1","7","1") = "9"
    & skf18("2","3","9","10","1","8","1") = "9"
    & skf18("2","3","9","10","1","9","1") = "9"
    & skf18("2","3","9","10","1","10","1") = "9"
    & skf18("2","3","9","10","2","1","1") = "9"
    & skf18("2","3","9","10","2","2","1") = "9"
    & skf18("2","3","9","10","2","3","1") = "9"
    & skf18("2","3","9","10","2","4","1") = "9"
    & skf18("2","3","9","10","2","5","1") = "9"
    & skf18("2","3","9","10","2","6","1") = "9"
    & skf18("2","3","9","10","2","7","1") = "9"
    & skf18("2","3","9","10","2","8","1") = "9"
    & skf18("2","3","9","10","2","9","1") = "9"
    & skf18("2","3","9","10","2","10","1") = "9"
    & skf18("2","3","9","10","3","1","1") = "9"
    & skf18("2","3","9","10","3","2","1") = "9"
    & skf18("2","3","9","10","3","3","1") = "9"
    & skf18("2","3","9","10","3","4","1") = "9"
    & skf18("2","3","9","10","3","5","1") = "9"
    & skf18("2","3","9","10","3","6","1") = "9"
    & skf18("2","3","9","10","3","7","1") = "9"
    & skf18("2","3","9","10","3","8","1") = "9"
    & skf18("2","3","9","10","3","9","1") = "9"
    & skf18("2","3","9","10","3","10","1") = "9"
    & skf18("2","3","9","10","4","1","1") = "9"
    & skf18("2","3","9","10","4","2","1") = "9"
    & skf18("2","3","9","10","4","3","1") = "9"
    & skf18("2","3","9","10","4","4","1") = "9"
    & skf18("2","3","9","10","4","5","1") = "9"
    & skf18("2","3","9","10","4","6","1") = "9"
    & skf18("2","3","9","10","4","7","1") = "9"
    & skf18("2","3","9","10","4","8","1") = "9"
    & skf18("2","3","9","10","4","9","1") = "9"
    & skf18("2","3","9","10","4","10","1") = "9"
    & skf18("2","3","9","10","5","1","1") = "9"
    & skf18("2","3","9","10","5","2","1") = "9"
    & skf18("2","3","9","10","5","3","1") = "9"
    & skf18("2","3","9","10","5","4","1") = "9"
    & skf18("2","3","9","10","5","5","1") = "9"
    & skf18("2","3","9","10","5","6","1") = "9"
    & skf18("2","3","9","10","5","7","1") = "9"
    & skf18("2","3","9","10","5","8","1") = "9"
    & skf18("2","3","9","10","5","9","1") = "9"
    & skf18("2","3","9","10","5","10","1") = "9"
    & skf18("2","3","9","10","6","1","1") = "9"
    & skf18("2","3","9","10","6","2","1") = "9"
    & skf18("2","3","9","10","6","3","1") = "9"
    & skf18("2","3","9","10","6","4","1") = "9"
    & skf18("2","3","9","10","6","5","1") = "9"
    & skf18("2","3","9","10","6","6","1") = "9"
    & skf18("2","3","9","10","6","7","1") = "9"
    & skf18("2","3","9","10","6","8","1") = "9"
    & skf18("2","3","9","10","6","9","1") = "9"
    & skf18("2","3","9","10","6","10","1") = "9"
    & skf18("2","3","9","10","7","1","1") = "9"
    & skf18("2","3","9","10","7","2","1") = "9"
    & skf18("2","3","9","10","7","3","1") = "9"
    & skf18("2","3","9","10","7","4","1") = "9"
    & skf18("2","3","9","10","7","5","1") = "9"
    & skf18("2","3","9","10","7","6","1") = "9"
    & skf18("2","3","9","10","7","7","1") = "9"
    & skf18("2","3","9","10","7","8","1") = "9"
    & skf18("2","3","9","10","7","9","1") = "9"
    & skf18("2","3","9","10","7","10","1") = "9"
    & skf18("2","3","9","10","8","1","1") = "9"
    & skf18("2","3","9","10","8","2","1") = "9"
    & skf18("2","3","9","10","8","3","1") = "9"
    & skf18("2","3","9","10","8","4","1") = "9"
    & skf18("2","3","9","10","8","5","1") = "9"
    & skf18("2","3","9","10","8","6","1") = "9"
    & skf18("2","3","9","10","8","7","1") = "9"
    & skf18("2","3","9","10","8","8","1") = "9"
    & skf18("2","3","9","10","8","9","1") = "9"
    & skf18("2","3","9","10","8","10","1") = "9"
    & skf18("2","3","9","10","9","1","1") = "9"
    & skf18("2","3","9","10","9","2","1") = "9"
    & skf18("2","3","9","10","9","3","1") = "9"
    & skf18("2","3","9","10","9","4","1") = "9"
    & skf18("2","3","9","10","9","5","1") = "9"
    & skf18("2","3","9","10","9","6","1") = "9"
    & skf18("2","3","9","10","9","7","1") = "9"
    & skf18("2","3","9","10","9","8","1") = "9"
    & skf18("2","3","9","10","9","9","1") = "9"
    & skf18("2","3","9","10","9","10","1") = "9"
    & skf18("2","3","9","10","10","1","1") = "9"
    & skf18("2","3","9","10","10","2","1") = "9"
    & skf18("2","3","9","10","10","3","1") = "9"
    & skf18("2","3","9","10","10","4","1") = "9"
    & skf18("2","3","9","10","10","5","1") = "9"
    & skf18("2","3","9","10","10","6","1") = "9"
    & skf18("2","3","9","10","10","7","1") = "9"
    & skf18("2","3","9","10","10","8","1") = "9"
    & skf18("2","3","9","10","10","9","1") = "9"
    & skf18("2","3","9","10","10","10","1") = "9"
    & skf18("2","3","10","1","1","1","1") = "9"
    & skf18("2","3","10","1","1","2","1") = "9"
    & skf18("2","3","10","1","1","3","1") = "9"
    & skf18("2","3","10","1","1","4","1") = "9"
    & skf18("2","3","10","1","1","5","1") = "9"
    & skf18("2","3","10","1","1","6","1") = "9"
    & skf18("2","3","10","1","1","7","1") = "9"
    & skf18("2","3","10","1","1","8","1") = "9"
    & skf18("2","3","10","1","1","9","1") = "9"
    & skf18("2","3","10","1","1","10","1") = "9"
    & skf18("2","3","10","1","2","1","1") = "9"
    & skf18("2","3","10","1","2","2","1") = "9"
    & skf18("2","3","10","1","2","3","1") = "9"
    & skf18("2","3","10","1","2","4","1") = "9"
    & skf18("2","3","10","1","2","5","1") = "9"
    & skf18("2","3","10","1","2","6","1") = "9"
    & skf18("2","3","10","1","2","7","1") = "9"
    & skf18("2","3","10","1","2","8","1") = "9"
    & skf18("2","3","10","1","2","9","1") = "9"
    & skf18("2","3","10","1","2","10","1") = "9"
    & skf18("2","3","10","1","3","1","1") = "9"
    & skf18("2","3","10","1","3","2","1") = "9"
    & skf18("2","3","10","1","3","3","1") = "9"
    & skf18("2","3","10","1","3","4","1") = "9"
    & skf18("2","3","10","1","3","5","1") = "9"
    & skf18("2","3","10","1","3","6","1") = "9"
    & skf18("2","3","10","1","3","7","1") = "9"
    & skf18("2","3","10","1","3","8","1") = "9"
    & skf18("2","3","10","1","3","9","1") = "9"
    & skf18("2","3","10","1","3","10","1") = "9"
    & skf18("2","3","10","1","4","1","1") = "9"
    & skf18("2","3","10","1","4","2","1") = "9"
    & skf18("2","3","10","1","4","3","1") = "9"
    & skf18("2","3","10","1","4","4","1") = "9"
    & skf18("2","3","10","1","4","5","1") = "9"
    & skf18("2","3","10","1","4","6","1") = "9"
    & skf18("2","3","10","1","4","7","1") = "9"
    & skf18("2","3","10","1","4","8","1") = "9"
    & skf18("2","3","10","1","4","9","1") = "9"
    & skf18("2","3","10","1","4","10","1") = "9"
    & skf18("2","3","10","1","5","1","1") = "9"
    & skf18("2","3","10","1","5","2","1") = "9"
    & skf18("2","3","10","1","5","3","1") = "9"
    & skf18("2","3","10","1","5","4","1") = "9"
    & skf18("2","3","10","1","5","5","1") = "9"
    & skf18("2","3","10","1","5","6","1") = "9"
    & skf18("2","3","10","1","5","7","1") = "9"
    & skf18("2","3","10","1","5","8","1") = "9"
    & skf18("2","3","10","1","5","9","1") = "9"
    & skf18("2","3","10","1","5","10","1") = "9"
    & skf18("2","3","10","1","6","1","1") = "9"
    & skf18("2","3","10","1","6","2","1") = "9"
    & skf18("2","3","10","1","6","3","1") = "9"
    & skf18("2","3","10","1","6","4","1") = "9"
    & skf18("2","3","10","1","6","5","1") = "9"
    & skf18("2","3","10","1","6","6","1") = "9"
    & skf18("2","3","10","1","6","7","1") = "9"
    & skf18("2","3","10","1","6","8","1") = "9"
    & skf18("2","3","10","1","6","9","1") = "9"
    & skf18("2","3","10","1","6","10","1") = "9"
    & skf18("2","3","10","1","7","1","1") = "9"
    & skf18("2","3","10","1","7","2","1") = "9"
    & skf18("2","3","10","1","7","3","1") = "9"
    & skf18("2","3","10","1","7","4","1") = "9"
    & skf18("2","3","10","1","7","5","1") = "9"
    & skf18("2","3","10","1","7","6","1") = "9"
    & skf18("2","3","10","1","7","7","1") = "9"
    & skf18("2","3","10","1","7","8","1") = "9"
    & skf18("2","3","10","1","7","9","1") = "9"
    & skf18("2","3","10","1","7","10","1") = "9"
    & skf18("2","3","10","1","8","1","1") = "9"
    & skf18("2","3","10","1","8","2","1") = "9"
    & skf18("2","3","10","1","8","3","1") = "9"
    & skf18("2","3","10","1","8","4","1") = "9"
    & skf18("2","3","10","1","8","5","1") = "9"
    & skf18("2","3","10","1","8","6","1") = "9"
    & skf18("2","3","10","1","8","7","1") = "9"
    & skf18("2","3","10","1","8","8","1") = "9"
    & skf18("2","3","10","1","8","9","1") = "9"
    & skf18("2","3","10","1","8","10","1") = "9"
    & skf18("2","3","10","1","9","1","1") = "9"
    & skf18("2","3","10","1","9","2","1") = "9"
    & skf18("2","3","10","1","9","3","1") = "9"
    & skf18("2","3","10","1","9","4","1") = "9"
    & skf18("2","3","10","1","9","5","1") = "9"
    & skf18("2","3","10","1","9","6","1") = "9"
    & skf18("2","3","10","1","9","7","1") = "9"
    & skf18("2","3","10","1","9","8","1") = "9"
    & skf18("2","3","10","1","9","9","1") = "9"
    & skf18("2","3","10","1","9","10","1") = "9"
    & skf18("2","3","10","1","10","1","1") = "9"
    & skf18("2","3","10","1","10","2","1") = "9"
    & skf18("2","3","10","1","10","3","1") = "9"
    & skf18("2","3","10","1","10","4","1") = "9"
    & skf18("2","3","10","1","10","5","1") = "9"
    & skf18("2","3","10","1","10","6","1") = "9"
    & skf18("2","3","10","1","10","7","1") = "9"
    & skf18("2","3","10","1","10","8","1") = "9"
    & skf18("2","3","10","1","10","9","1") = "9"
    & skf18("2","3","10","1","10","10","1") = "9"
    & skf18("2","3","10","2","1","1","1") = "9"
    & skf18("2","3","10","2","1","2","1") = "9"
    & skf18("2","3","10","2","1","3","1") = "9"
    & skf18("2","3","10","2","1","4","1") = "9"
    & skf18("2","3","10","2","1","5","1") = "9"
    & skf18("2","3","10","2","1","6","1") = "9"
    & skf18("2","3","10","2","1","7","1") = "9"
    & skf18("2","3","10","2","1","8","1") = "9"
    & skf18("2","3","10","2","1","9","1") = "9"
    & skf18("2","3","10","2","1","10","1") = "9"
    & skf18("2","3","10","2","2","1","1") = "9"
    & skf18("2","3","10","2","2","2","1") = "9"
    & skf18("2","3","10","2","2","3","1") = "9"
    & skf18("2","3","10","2","2","4","1") = "9"
    & skf18("2","3","10","2","2","5","1") = "9"
    & skf18("2","3","10","2","2","6","1") = "9"
    & skf18("2","3","10","2","2","7","1") = "9"
    & skf18("2","3","10","2","2","8","1") = "9"
    & skf18("2","3","10","2","2","9","1") = "9"
    & skf18("2","3","10","2","2","10","1") = "9"
    & skf18("2","3","10","2","3","1","1") = "9"
    & skf18("2","3","10","2","3","2","1") = "9"
    & skf18("2","3","10","2","3","3","1") = "9"
    & skf18("2","3","10","2","3","4","1") = "9"
    & skf18("2","3","10","2","3","5","1") = "9"
    & skf18("2","3","10","2","3","6","1") = "9"
    & skf18("2","3","10","2","3","7","1") = "9"
    & skf18("2","3","10","2","3","8","1") = "9"
    & skf18("2","3","10","2","3","9","1") = "9"
    & skf18("2","3","10","2","3","10","1") = "9"
    & skf18("2","3","10","2","4","1","1") = "9"
    & skf18("2","3","10","2","4","2","1") = "9"
    & skf18("2","3","10","2","4","3","1") = "9"
    & skf18("2","3","10","2","4","4","1") = "9"
    & skf18("2","3","10","2","4","5","1") = "9"
    & skf18("2","3","10","2","4","6","1") = "9"
    & skf18("2","3","10","2","4","7","1") = "9"
    & skf18("2","3","10","2","4","8","1") = "9"
    & skf18("2","3","10","2","4","9","1") = "9"
    & skf18("2","3","10","2","4","10","1") = "9"
    & skf18("2","3","10","2","5","1","1") = "9"
    & skf18("2","3","10","2","5","2","1") = "9"
    & skf18("2","3","10","2","5","3","1") = "9"
    & skf18("2","3","10","2","5","4","1") = "9"
    & skf18("2","3","10","2","5","5","1") = "9"
    & skf18("2","3","10","2","5","6","1") = "9"
    & skf18("2","3","10","2","5","7","1") = "9"
    & skf18("2","3","10","2","5","8","1") = "9"
    & skf18("2","3","10","2","5","9","1") = "9"
    & skf18("2","3","10","2","5","10","1") = "9"
    & skf18("2","3","10","2","6","1","1") = "9"
    & skf18("2","3","10","2","6","2","1") = "9"
    & skf18("2","3","10","2","6","3","1") = "9"
    & skf18("2","3","10","2","6","4","1") = "9"
    & skf18("2","3","10","2","6","5","1") = "9"
    & skf18("2","3","10","2","6","6","1") = "9"
    & skf18("2","3","10","2","6","7","1") = "9"
    & skf18("2","3","10","2","6","8","1") = "9"
    & skf18("2","3","10","2","6","9","1") = "9"
    & skf18("2","3","10","2","6","10","1") = "9"
    & skf18("2","3","10","2","7","1","1") = "9"
    & skf18("2","3","10","2","7","2","1") = "9"
    & skf18("2","3","10","2","7","3","1") = "9"
    & skf18("2","3","10","2","7","4","1") = "9"
    & skf18("2","3","10","2","7","5","1") = "9"
    & skf18("2","3","10","2","7","6","1") = "9"
    & skf18("2","3","10","2","7","7","1") = "9"
    & skf18("2","3","10","2","7","8","1") = "9"
    & skf18("2","3","10","2","7","9","1") = "9"
    & skf18("2","3","10","2","7","10","1") = "9"
    & skf18("2","3","10","2","8","1","1") = "9"
    & skf18("2","3","10","2","8","2","1") = "9"
    & skf18("2","3","10","2","8","3","1") = "9"
    & skf18("2","3","10","2","8","4","1") = "9"
    & skf18("2","3","10","2","8","5","1") = "9"
    & skf18("2","3","10","2","8","6","1") = "9"
    & skf18("2","3","10","2","8","7","1") = "9"
    & skf18("2","3","10","2","8","8","1") = "9"
    & skf18("2","3","10","2","8","9","1") = "9"
    & skf18("2","3","10","2","8","10","1") = "9"
    & skf18("2","3","10","2","9","1","1") = "9"
    & skf18("2","3","10","2","9","2","1") = "9"
    & skf18("2","3","10","2","9","3","1") = "9"
    & skf18("2","3","10","2","9","4","1") = "9"
    & skf18("2","3","10","2","9","5","1") = "9"
    & skf18("2","3","10","2","9","6","1") = "9"
    & skf18("2","3","10","2","9","7","1") = "9"
    & skf18("2","3","10","2","9","8","1") = "9"
    & skf18("2","3","10","2","9","9","1") = "9"
    & skf18("2","3","10","2","9","10","1") = "9"
    & skf18("2","3","10","2","10","1","1") = "9"
    & skf18("2","3","10","2","10","2","1") = "9"
    & skf18("2","3","10","2","10","3","1") = "9"
    & skf18("2","3","10","2","10","4","1") = "9"
    & skf18("2","3","10","2","10","5","1") = "9"
    & skf18("2","3","10","2","10","6","1") = "9"
    & skf18("2","3","10","2","10","7","1") = "9"
    & skf18("2","3","10","2","10","8","1") = "9"
    & skf18("2","3","10","2","10","9","1") = "9"
    & skf18("2","3","10","2","10","10","1") = "9"
    & skf18("2","3","10","3","1","1","1") = "9"
    & skf18("2","3","10","3","1","2","1") = "9"
    & skf18("2","3","10","3","1","3","1") = "9"
    & skf18("2","3","10","3","1","4","1") = "9"
    & skf18("2","3","10","3","1","5","1") = "9"
    & skf18("2","3","10","3","1","6","1") = "9"
    & skf18("2","3","10","3","1","7","1") = "9"
    & skf18("2","3","10","3","1","8","1") = "9"
    & skf18("2","3","10","3","1","9","1") = "9"
    & skf18("2","3","10","3","1","10","1") = "9"
    & skf18("2","3","10","3","2","1","1") = "9"
    & skf18("2","3","10","3","2","2","1") = "9"
    & skf18("2","3","10","3","2","3","1") = "9"
    & skf18("2","3","10","3","2","4","1") = "9"
    & skf18("2","3","10","3","2","5","1") = "9"
    & skf18("2","3","10","3","2","6","1") = "9"
    & skf18("2","3","10","3","2","7","1") = "9"
    & skf18("2","3","10","3","2","8","1") = "9"
    & skf18("2","3","10","3","2","9","1") = "9"
    & skf18("2","3","10","3","2","10","1") = "9"
    & skf18("2","3","10","3","3","1","1") = "9"
    & skf18("2","3","10","3","3","2","1") = "9"
    & skf18("2","3","10","3","3","3","1") = "9"
    & skf18("2","3","10","3","3","4","1") = "9"
    & skf18("2","3","10","3","3","5","1") = "9"
    & skf18("2","3","10","3","3","6","1") = "9"
    & skf18("2","3","10","3","3","7","1") = "9"
    & skf18("2","3","10","3","3","8","1") = "9"
    & skf18("2","3","10","3","3","9","1") = "9"
    & skf18("2","3","10","3","3","10","1") = "9"
    & skf18("2","3","10","3","4","1","1") = "9"
    & skf18("2","3","10","3","4","2","1") = "9"
    & skf18("2","3","10","3","4","3","1") = "9"
    & skf18("2","3","10","3","4","4","1") = "9"
    & skf18("2","3","10","3","4","5","1") = "9"
    & skf18("2","3","10","3","4","6","1") = "9"
    & skf18("2","3","10","3","4","7","1") = "9"
    & skf18("2","3","10","3","4","8","1") = "9"
    & skf18("2","3","10","3","4","9","1") = "9"
    & skf18("2","3","10","3","4","10","1") = "9"
    & skf18("2","3","10","3","5","1","1") = "9"
    & skf18("2","3","10","3","5","2","1") = "9"
    & skf18("2","3","10","3","5","3","1") = "9"
    & skf18("2","3","10","3","5","4","1") = "9"
    & skf18("2","3","10","3","5","5","1") = "9"
    & skf18("2","3","10","3","5","6","1") = "9"
    & skf18("2","3","10","3","5","7","1") = "9"
    & skf18("2","3","10","3","5","8","1") = "9"
    & skf18("2","3","10","3","5","9","1") = "9"
    & skf18("2","3","10","3","5","10","1") = "9"
    & skf18("2","3","10","3","6","1","1") = "9"
    & skf18("2","3","10","3","6","2","1") = "9"
    & skf18("2","3","10","3","6","3","1") = "9"
    & skf18("2","3","10","3","6","4","1") = "9"
    & skf18("2","3","10","3","6","5","1") = "9"
    & skf18("2","3","10","3","6","6","1") = "9"
    & skf18("2","3","10","3","6","7","1") = "9"
    & skf18("2","3","10","3","6","8","1") = "9"
    & skf18("2","3","10","3","6","9","1") = "9"
    & skf18("2","3","10","3","6","10","1") = "9"
    & skf18("2","3","10","3","7","1","1") = "9"
    & skf18("2","3","10","3","7","2","1") = "9"
    & skf18("2","3","10","3","7","3","1") = "9"
    & skf18("2","3","10","3","7","4","1") = "9"
    & skf18("2","3","10","3","7","5","1") = "9"
    & skf18("2","3","10","3","7","6","1") = "9"
    & skf18("2","3","10","3","7","7","1") = "9"
    & skf18("2","3","10","3","7","8","1") = "9"
    & skf18("2","3","10","3","7","9","1") = "9"
    & skf18("2","3","10","3","7","10","1") = "9"
    & skf18("2","3","10","3","8","1","1") = "9"
    & skf18("2","3","10","3","8","2","1") = "9"
    & skf18("2","3","10","3","8","3","1") = "9"
    & skf18("2","3","10","3","8","4","1") = "9"
    & skf18("2","3","10","3","8","5","1") = "9"
    & skf18("2","3","10","3","8","6","1") = "9"
    & skf18("2","3","10","3","8","7","1") = "9"
    & skf18("2","3","10","3","8","8","1") = "9"
    & skf18("2","3","10","3","8","9","1") = "9"
    & skf18("2","3","10","3","8","10","1") = "9"
    & skf18("2","3","10","3","9","1","1") = "9"
    & skf18("2","3","10","3","9","2","1") = "9"
    & skf18("2","3","10","3","9","3","1") = "9"
    & skf18("2","3","10","3","9","4","1") = "9"
    & skf18("2","3","10","3","9","5","1") = "9"
    & skf18("2","3","10","3","9","6","1") = "9"
    & skf18("2","3","10","3","9","7","1") = "9"
    & skf18("2","3","10","3","9","8","1") = "9"
    & skf18("2","3","10","3","9","9","1") = "9"
    & skf18("2","3","10","3","9","10","1") = "9"
    & skf18("2","3","10","3","10","1","1") = "9"
    & skf18("2","3","10","3","10","2","1") = "9"
    & skf18("2","3","10","3","10","3","1") = "9"
    & skf18("2","3","10","3","10","4","1") = "9"
    & skf18("2","3","10","3","10","5","1") = "9"
    & skf18("2","3","10","3","10","6","1") = "9"
    & skf18("2","3","10","3","10","7","1") = "9"
    & skf18("2","3","10","3","10","8","1") = "9"
    & skf18("2","3","10","3","10","9","1") = "9"
    & skf18("2","3","10","3","10","10","1") = "9"
    & skf18("2","3","10","4","1","1","1") = "9"
    & skf18("2","3","10","4","1","2","1") = "9"
    & skf18("2","3","10","4","1","3","1") = "9"
    & skf18("2","3","10","4","1","4","1") = "9"
    & skf18("2","3","10","4","1","5","1") = "9"
    & skf18("2","3","10","4","1","6","1") = "9"
    & skf18("2","3","10","4","1","7","1") = "9"
    & skf18("2","3","10","4","1","8","1") = "9"
    & skf18("2","3","10","4","1","9","1") = "9"
    & skf18("2","3","10","4","1","10","1") = "9"
    & skf18("2","3","10","4","2","1","1") = "9"
    & skf18("2","3","10","4","2","2","1") = "9"
    & skf18("2","3","10","4","2","3","1") = "9"
    & skf18("2","3","10","4","2","4","1") = "9"
    & skf18("2","3","10","4","2","5","1") = "9"
    & skf18("2","3","10","4","2","6","1") = "9"
    & skf18("2","3","10","4","2","7","1") = "9"
    & skf18("2","3","10","4","2","8","1") = "9"
    & skf18("2","3","10","4","2","9","1") = "9"
    & skf18("2","3","10","4","2","10","1") = "9"
    & skf18("2","3","10","4","3","1","1") = "9"
    & skf18("2","3","10","4","3","2","1") = "9"
    & skf18("2","3","10","4","3","3","1") = "9"
    & skf18("2","3","10","4","3","4","1") = "9"
    & skf18("2","3","10","4","3","5","1") = "9"
    & skf18("2","3","10","4","3","6","1") = "9"
    & skf18("2","3","10","4","3","7","1") = "9"
    & skf18("2","3","10","4","3","8","1") = "9"
    & skf18("2","3","10","4","3","9","1") = "9"
    & skf18("2","3","10","4","3","10","1") = "9"
    & skf18("2","3","10","4","4","1","1") = "9"
    & skf18("2","3","10","4","4","2","1") = "9"
    & skf18("2","3","10","4","4","3","1") = "9"
    & skf18("2","3","10","4","4","4","1") = "9"
    & skf18("2","3","10","4","4","5","1") = "9"
    & skf18("2","3","10","4","4","6","1") = "9"
    & skf18("2","3","10","4","4","7","1") = "9"
    & skf18("2","3","10","4","4","8","1") = "9"
    & skf18("2","3","10","4","4","9","1") = "9"
    & skf18("2","3","10","4","4","10","1") = "9"
    & skf18("2","3","10","4","5","1","1") = "9"
    & skf18("2","3","10","4","5","2","1") = "9"
    & skf18("2","3","10","4","5","3","1") = "9"
    & skf18("2","3","10","4","5","4","1") = "9"
    & skf18("2","3","10","4","5","5","1") = "9"
    & skf18("2","3","10","4","5","6","1") = "9"
    & skf18("2","3","10","4","5","7","1") = "9"
    & skf18("2","3","10","4","5","8","1") = "9"
    & skf18("2","3","10","4","5","9","1") = "9"
    & skf18("2","3","10","4","5","10","1") = "9"
    & skf18("2","3","10","4","6","1","1") = "9"
    & skf18("2","3","10","4","6","2","1") = "9"
    & skf18("2","3","10","4","6","3","1") = "9"
    & skf18("2","3","10","4","6","4","1") = "9"
    & skf18("2","3","10","4","6","5","1") = "9"
    & skf18("2","3","10","4","6","6","1") = "9"
    & skf18("2","3","10","4","6","7","1") = "9"
    & skf18("2","3","10","4","6","8","1") = "9"
    & skf18("2","3","10","4","6","9","1") = "9"
    & skf18("2","3","10","4","6","10","1") = "9"
    & skf18("2","3","10","4","7","1","1") = "9"
    & skf18("2","3","10","4","7","2","1") = "9"
    & skf18("2","3","10","4","7","3","1") = "9"
    & skf18("2","3","10","4","7","4","1") = "9"
    & skf18("2","3","10","4","7","5","1") = "9"
    & skf18("2","3","10","4","7","6","1") = "9"
    & skf18("2","3","10","4","7","7","1") = "9"
    & skf18("2","3","10","4","7","8","1") = "9"
    & skf18("2","3","10","4","7","9","1") = "9"
    & skf18("2","3","10","4","7","10","1") = "9"
    & skf18("2","3","10","4","8","1","1") = "9"
    & skf18("2","3","10","4","8","2","1") = "9"
    & skf18("2","3","10","4","8","3","1") = "9"
    & skf18("2","3","10","4","8","4","1") = "9"
    & skf18("2","3","10","4","8","5","1") = "9"
    & skf18("2","3","10","4","8","6","1") = "9"
    & skf18("2","3","10","4","8","7","1") = "9"
    & skf18("2","3","10","4","8","8","1") = "9"
    & skf18("2","3","10","4","8","9","1") = "9"
    & skf18("2","3","10","4","8","10","1") = "9"
    & skf18("2","3","10","4","9","1","1") = "9"
    & skf18("2","3","10","4","9","2","1") = "9"
    & skf18("2","3","10","4","9","3","1") = "9"
    & skf18("2","3","10","4","9","4","1") = "9"
    & skf18("2","3","10","4","9","5","1") = "9"
    & skf18("2","3","10","4","9","6","1") = "9"
    & skf18("2","3","10","4","9","7","1") = "9"
    & skf18("2","3","10","4","9","8","1") = "9"
    & skf18("2","3","10","4","9","9","1") = "9"
    & skf18("2","3","10","4","9","10","1") = "9"
    & skf18("2","3","10","4","10","1","1") = "9"
    & skf18("2","3","10","4","10","2","1") = "9"
    & skf18("2","3","10","4","10","3","1") = "9"
    & skf18("2","3","10","4","10","4","1") = "9"
    & skf18("2","3","10","4","10","5","1") = "9"
    & skf18("2","3","10","4","10","6","1") = "9"
    & skf18("2","3","10","4","10","7","1") = "9"
    & skf18("2","3","10","4","10","8","1") = "9"
    & skf18("2","3","10","4","10","9","1") = "9"
    & skf18("2","3","10","4","10","10","1") = "9"
    & skf18("2","3","10","5","1","1","1") = "9"
    & skf18("2","3","10","5","1","2","1") = "9"
    & skf18("2","3","10","5","1","3","1") = "9"
    & skf18("2","3","10","5","1","4","1") = "9"
    & skf18("2","3","10","5","1","5","1") = "9"
    & skf18("2","3","10","5","1","6","1") = "9"
    & skf18("2","3","10","5","1","7","1") = "9"
    & skf18("2","3","10","5","1","8","1") = "9"
    & skf18("2","3","10","5","1","9","1") = "9"
    & skf18("2","3","10","5","1","10","1") = "9"
    & skf18("2","3","10","5","2","1","1") = "9"
    & skf18("2","3","10","5","2","2","1") = "9"
    & skf18("2","3","10","5","2","3","1") = "9"
    & skf18("2","3","10","5","2","4","1") = "9"
    & skf18("2","3","10","5","2","5","1") = "9"
    & skf18("2","3","10","5","2","6","1") = "9"
    & skf18("2","3","10","5","2","7","1") = "9"
    & skf18("2","3","10","5","2","8","1") = "9"
    & skf18("2","3","10","5","2","9","1") = "9"
    & skf18("2","3","10","5","2","10","1") = "9"
    & skf18("2","3","10","5","3","1","1") = "9"
    & skf18("2","3","10","5","3","2","1") = "9"
    & skf18("2","3","10","5","3","3","1") = "9"
    & skf18("2","3","10","5","3","4","1") = "9"
    & skf18("2","3","10","5","3","5","1") = "9"
    & skf18("2","3","10","5","3","6","1") = "9"
    & skf18("2","3","10","5","3","7","1") = "9"
    & skf18("2","3","10","5","3","8","1") = "9"
    & skf18("2","3","10","5","3","9","1") = "9"
    & skf18("2","3","10","5","3","10","1") = "9"
    & skf18("2","3","10","5","4","1","1") = "9"
    & skf18("2","3","10","5","4","2","1") = "9"
    & skf18("2","3","10","5","4","3","1") = "9"
    & skf18("2","3","10","5","4","4","1") = "9"
    & skf18("2","3","10","5","4","5","1") = "9"
    & skf18("2","3","10","5","4","6","1") = "9"
    & skf18("2","3","10","5","4","7","1") = "9"
    & skf18("2","3","10","5","4","8","1") = "9"
    & skf18("2","3","10","5","4","9","1") = "9"
    & skf18("2","3","10","5","4","10","1") = "9"
    & skf18("2","3","10","5","5","1","1") = "9"
    & skf18("2","3","10","5","5","2","1") = "9"
    & skf18("2","3","10","5","5","3","1") = "9"
    & skf18("2","3","10","5","5","4","1") = "9"
    & skf18("2","3","10","5","5","5","1") = "9"
    & skf18("2","3","10","5","5","6","1") = "9"
    & skf18("2","3","10","5","5","7","1") = "9"
    & skf18("2","3","10","5","5","8","1") = "9"
    & skf18("2","3","10","5","5","9","1") = "9"
    & skf18("2","3","10","5","5","10","1") = "9"
    & skf18("2","3","10","5","6","1","1") = "9"
    & skf18("2","3","10","5","6","2","1") = "9"
    & skf18("2","3","10","5","6","3","1") = "9"
    & skf18("2","3","10","5","6","4","1") = "9"
    & skf18("2","3","10","5","6","5","1") = "9"
    & skf18("2","3","10","5","6","6","1") = "9"
    & skf18("2","3","10","5","6","7","1") = "9"
    & skf18("2","3","10","5","6","8","1") = "9"
    & skf18("2","3","10","5","6","9","1") = "9"
    & skf18("2","3","10","5","6","10","1") = "9"
    & skf18("2","3","10","5","7","1","1") = "9"
    & skf18("2","3","10","5","7","2","1") = "9"
    & skf18("2","3","10","5","7","3","1") = "9"
    & skf18("2","3","10","5","7","4","1") = "9"
    & skf18("2","3","10","5","7","5","1") = "9"
    & skf18("2","3","10","5","7","6","1") = "9"
    & skf18("2","3","10","5","7","7","1") = "9"
    & skf18("2","3","10","5","7","8","1") = "9"
    & skf18("2","3","10","5","7","9","1") = "9"
    & skf18("2","3","10","5","7","10","1") = "9"
    & skf18("2","3","10","5","8","1","1") = "9"
    & skf18("2","3","10","5","8","2","1") = "9"
    & skf18("2","3","10","5","8","3","1") = "9"
    & skf18("2","3","10","5","8","4","1") = "9"
    & skf18("2","3","10","5","8","5","1") = "9"
    & skf18("2","3","10","5","8","6","1") = "9"
    & skf18("2","3","10","5","8","7","1") = "9"
    & skf18("2","3","10","5","8","8","1") = "9"
    & skf18("2","3","10","5","8","9","1") = "9"
    & skf18("2","3","10","5","8","10","1") = "9"
    & skf18("2","3","10","5","9","1","1") = "9"
    & skf18("2","3","10","5","9","2","1") = "9"
    & skf18("2","3","10","5","9","3","1") = "9"
    & skf18("2","3","10","5","9","4","1") = "9"
    & skf18("2","3","10","5","9","5","1") = "9"
    & skf18("2","3","10","5","9","6","1") = "9"
    & skf18("2","3","10","5","9","7","1") = "9"
    & skf18("2","3","10","5","9","8","1") = "9"
    & skf18("2","3","10","5","9","9","1") = "9"
    & skf18("2","3","10","5","9","10","1") = "9"
    & skf18("2","3","10","5","10","1","1") = "9"
    & skf18("2","3","10","5","10","2","1") = "9"
    & skf18("2","3","10","5","10","3","1") = "9"
    & skf18("2","3","10","5","10","4","1") = "9"
    & skf18("2","3","10","5","10","5","1") = "9"
    & skf18("2","3","10","5","10","6","1") = "9"
    & skf18("2","3","10","5","10","7","1") = "9"
    & skf18("2","3","10","5","10","8","1") = "9"
    & skf18("2","3","10","5","10","9","1") = "9"
    & skf18("2","3","10","5","10","10","1") = "9"
    & skf18("2","3","10","6","1","1","1") = "9"
    & skf18("2","3","10","6","1","2","1") = "9"
    & skf18("2","3","10","6","1","3","1") = "9"
    & skf18("2","3","10","6","1","4","1") = "9"
    & skf18("2","3","10","6","1","5","1") = "9"
    & skf18("2","3","10","6","1","6","1") = "9"
    & skf18("2","3","10","6","1","7","1") = "9"
    & skf18("2","3","10","6","1","8","1") = "9"
    & skf18("2","3","10","6","1","9","1") = "9"
    & skf18("2","3","10","6","1","10","1") = "9"
    & skf18("2","3","10","6","2","1","1") = "9"
    & skf18("2","3","10","6","2","2","1") = "9"
    & skf18("2","3","10","6","2","3","1") = "9"
    & skf18("2","3","10","6","2","4","1") = "9"
    & skf18("2","3","10","6","2","5","1") = "9"
    & skf18("2","3","10","6","2","6","1") = "9"
    & skf18("2","3","10","6","2","7","1") = "9"
    & skf18("2","3","10","6","2","8","1") = "9"
    & skf18("2","3","10","6","2","9","1") = "9"
    & skf18("2","3","10","6","2","10","1") = "9"
    & skf18("2","3","10","6","3","1","1") = "9"
    & skf18("2","3","10","6","3","2","1") = "9"
    & skf18("2","3","10","6","3","3","1") = "9"
    & skf18("2","3","10","6","3","4","1") = "9"
    & skf18("2","3","10","6","3","5","1") = "9"
    & skf18("2","3","10","6","3","6","1") = "9"
    & skf18("2","3","10","6","3","7","1") = "9"
    & skf18("2","3","10","6","3","8","1") = "9"
    & skf18("2","3","10","6","3","9","1") = "9"
    & skf18("2","3","10","6","3","10","1") = "9"
    & skf18("2","3","10","6","4","1","1") = "9"
    & skf18("2","3","10","6","4","2","1") = "9"
    & skf18("2","3","10","6","4","3","1") = "9"
    & skf18("2","3","10","6","4","4","1") = "9"
    & skf18("2","3","10","6","4","5","1") = "9"
    & skf18("2","3","10","6","4","6","1") = "9"
    & skf18("2","3","10","6","4","7","1") = "9"
    & skf18("2","3","10","6","4","8","1") = "9"
    & skf18("2","3","10","6","4","9","1") = "9"
    & skf18("2","3","10","6","4","10","1") = "9"
    & skf18("2","3","10","6","5","1","1") = "9"
    & skf18("2","3","10","6","5","2","1") = "9"
    & skf18("2","3","10","6","5","3","1") = "9"
    & skf18("2","3","10","6","5","4","1") = "9"
    & skf18("2","3","10","6","5","5","1") = "9"
    & skf18("2","3","10","6","5","6","1") = "9"
    & skf18("2","3","10","6","5","7","1") = "9"
    & skf18("2","3","10","6","5","8","1") = "9"
    & skf18("2","3","10","6","5","9","1") = "9"
    & skf18("2","3","10","6","5","10","1") = "9"
    & skf18("2","3","10","6","6","1","1") = "9"
    & skf18("2","3","10","6","6","2","1") = "9"
    & skf18("2","3","10","6","6","3","1") = "9"
    & skf18("2","3","10","6","6","4","1") = "9"
    & skf18("2","3","10","6","6","5","1") = "9"
    & skf18("2","3","10","6","6","6","1") = "9"
    & skf18("2","3","10","6","6","7","1") = "9"
    & skf18("2","3","10","6","6","8","1") = "9"
    & skf18("2","3","10","6","6","9","1") = "9"
    & skf18("2","3","10","6","6","10","1") = "9"
    & skf18("2","3","10","6","7","1","1") = "9"
    & skf18("2","3","10","6","7","2","1") = "9"
    & skf18("2","3","10","6","7","3","1") = "9"
    & skf18("2","3","10","6","7","4","1") = "9"
    & skf18("2","3","10","6","7","5","1") = "9"
    & skf18("2","3","10","6","7","6","1") = "9"
    & skf18("2","3","10","6","7","7","1") = "9"
    & skf18("2","3","10","6","7","8","1") = "9"
    & skf18("2","3","10","6","7","9","1") = "9"
    & skf18("2","3","10","6","7","10","1") = "9"
    & skf18("2","3","10","6","8","1","1") = "9"
    & skf18("2","3","10","6","8","2","1") = "9"
    & skf18("2","3","10","6","8","3","1") = "9"
    & skf18("2","3","10","6","8","4","1") = "9"
    & skf18("2","3","10","6","8","5","1") = "9"
    & skf18("2","3","10","6","8","6","1") = "9"
    & skf18("2","3","10","6","8","7","1") = "9"
    & skf18("2","3","10","6","8","8","1") = "9"
    & skf18("2","3","10","6","8","9","1") = "9"
    & skf18("2","3","10","6","8","10","1") = "9"
    & skf18("2","3","10","6","9","1","1") = "9"
    & skf18("2","3","10","6","9","2","1") = "9"
    & skf18("2","3","10","6","9","3","1") = "9"
    & skf18("2","3","10","6","9","4","1") = "9"
    & skf18("2","3","10","6","9","5","1") = "9"
    & skf18("2","3","10","6","9","6","1") = "9"
    & skf18("2","3","10","6","9","7","1") = "9"
    & skf18("2","3","10","6","9","8","1") = "9"
    & skf18("2","3","10","6","9","9","1") = "9"
    & skf18("2","3","10","6","9","10","1") = "9"
    & skf18("2","3","10","6","10","1","1") = "9"
    & skf18("2","3","10","6","10","2","1") = "9"
    & skf18("2","3","10","6","10","3","1") = "9"
    & skf18("2","3","10","6","10","4","1") = "9"
    & skf18("2","3","10","6","10","5","1") = "9"
    & skf18("2","3","10","6","10","6","1") = "9"
    & skf18("2","3","10","6","10","7","1") = "9"
    & skf18("2","3","10","6","10","8","1") = "9"
    & skf18("2","3","10","6","10","9","1") = "9"
    & skf18("2","3","10","6","10","10","1") = "9"
    & skf18("2","3","10","7","1","1","1") = "9"
    & skf18("2","3","10","7","1","2","1") = "9"
    & skf18("2","3","10","7","1","3","1") = "9"
    & skf18("2","3","10","7","1","4","1") = "9"
    & skf18("2","3","10","7","1","5","1") = "9"
    & skf18("2","3","10","7","1","6","1") = "9"
    & skf18("2","3","10","7","1","7","1") = "9"
    & skf18("2","3","10","7","1","8","1") = "9"
    & skf18("2","3","10","7","1","9","1") = "9"
    & skf18("2","3","10","7","1","10","1") = "9"
    & skf18("2","3","10","7","2","1","1") = "9"
    & skf18("2","3","10","7","2","2","1") = "9"
    & skf18("2","3","10","7","2","3","1") = "9"
    & skf18("2","3","10","7","2","4","1") = "9"
    & skf18("2","3","10","7","2","5","1") = "9"
    & skf18("2","3","10","7","2","6","1") = "9"
    & skf18("2","3","10","7","2","7","1") = "9"
    & skf18("2","3","10","7","2","8","1") = "9"
    & skf18("2","3","10","7","2","9","1") = "9"
    & skf18("2","3","10","7","2","10","1") = "9"
    & skf18("2","3","10","7","3","1","1") = "9"
    & skf18("2","3","10","7","3","2","1") = "9"
    & skf18("2","3","10","7","3","3","1") = "9"
    & skf18("2","3","10","7","3","4","1") = "9"
    & skf18("2","3","10","7","3","5","1") = "9"
    & skf18("2","3","10","7","3","6","1") = "9"
    & skf18("2","3","10","7","3","7","1") = "9"
    & skf18("2","3","10","7","3","8","1") = "9"
    & skf18("2","3","10","7","3","9","1") = "9"
    & skf18("2","3","10","7","3","10","1") = "9"
    & skf18("2","3","10","7","4","1","1") = "9"
    & skf18("2","3","10","7","4","2","1") = "9"
    & skf18("2","3","10","7","4","3","1") = "9"
    & skf18("2","3","10","7","4","4","1") = "9"
    & skf18("2","3","10","7","4","5","1") = "9"
    & skf18("2","3","10","7","4","6","1") = "9"
    & skf18("2","3","10","7","4","7","1") = "9"
    & skf18("2","3","10","7","4","8","1") = "9"
    & skf18("2","3","10","7","4","9","1") = "9"
    & skf18("2","3","10","7","4","10","1") = "9"
    & skf18("2","3","10","7","5","1","1") = "9"
    & skf18("2","3","10","7","5","2","1") = "9"
    & skf18("2","3","10","7","5","3","1") = "9"
    & skf18("2","3","10","7","5","4","1") = "9"
    & skf18("2","3","10","7","5","5","1") = "9"
    & skf18("2","3","10","7","5","6","1") = "9"
    & skf18("2","3","10","7","5","7","1") = "9"
    & skf18("2","3","10","7","5","8","1") = "9"
    & skf18("2","3","10","7","5","9","1") = "9"
    & skf18("2","3","10","7","5","10","1") = "9"
    & skf18("2","3","10","7","6","1","1") = "9"
    & skf18("2","3","10","7","6","2","1") = "9"
    & skf18("2","3","10","7","6","3","1") = "9"
    & skf18("2","3","10","7","6","4","1") = "9"
    & skf18("2","3","10","7","6","5","1") = "9"
    & skf18("2","3","10","7","6","6","1") = "9"
    & skf18("2","3","10","7","6","7","1") = "9"
    & skf18("2","3","10","7","6","8","1") = "9"
    & skf18("2","3","10","7","6","9","1") = "9"
    & skf18("2","3","10","7","6","10","1") = "9"
    & skf18("2","3","10","7","7","1","1") = "9"
    & skf18("2","3","10","7","7","2","1") = "9"
    & skf18("2","3","10","7","7","3","1") = "9"
    & skf18("2","3","10","7","7","4","1") = "9"
    & skf18("2","3","10","7","7","5","1") = "9"
    & skf18("2","3","10","7","7","6","1") = "9"
    & skf18("2","3","10","7","7","7","1") = "9"
    & skf18("2","3","10","7","7","8","1") = "9"
    & skf18("2","3","10","7","7","9","1") = "9"
    & skf18("2","3","10","7","7","10","1") = "9"
    & skf18("2","3","10","7","8","1","1") = "9"
    & skf18("2","3","10","7","8","2","1") = "9"
    & skf18("2","3","10","7","8","3","1") = "9"
    & skf18("2","3","10","7","8","4","1") = "9"
    & skf18("2","3","10","7","8","5","1") = "9"
    & skf18("2","3","10","7","8","6","1") = "9"
    & skf18("2","3","10","7","8","7","1") = "9"
    & skf18("2","3","10","7","8","8","1") = "9"
    & skf18("2","3","10","7","8","9","1") = "9"
    & skf18("2","3","10","7","8","10","1") = "9"
    & skf18("2","3","10","7","9","1","1") = "9"
    & skf18("2","3","10","7","9","2","1") = "9"
    & skf18("2","3","10","7","9","3","1") = "9"
    & skf18("2","3","10","7","9","4","1") = "9"
    & skf18("2","3","10","7","9","5","1") = "9"
    & skf18("2","3","10","7","9","6","1") = "9"
    & skf18("2","3","10","7","9","7","1") = "9"
    & skf18("2","3","10","7","9","8","1") = "9"
    & skf18("2","3","10","7","9","9","1") = "9"
    & skf18("2","3","10","7","9","10","1") = "9"
    & skf18("2","3","10","7","10","1","1") = "9"
    & skf18("2","3","10","7","10","2","1") = "9"
    & skf18("2","3","10","7","10","3","1") = "9"
    & skf18("2","3","10","7","10","4","1") = "9"
    & skf18("2","3","10","7","10","5","1") = "9"
    & skf18("2","3","10","7","10","6","1") = "9"
    & skf18("2","3","10","7","10","7","1") = "9"
    & skf18("2","3","10","7","10","8","1") = "9"
    & skf18("2","3","10","7","10","9","1") = "9"
    & skf18("2","3","10","7","10","10","1") = "9"
    & skf18("2","3","10","8","1","1","1") = "9"
    & skf18("2","3","10","8","1","2","1") = "9"
    & skf18("2","3","10","8","1","3","1") = "9"
    & skf18("2","3","10","8","1","4","1") = "9"
    & skf18("2","3","10","8","1","5","1") = "9"
    & skf18("2","3","10","8","1","6","1") = "9"
    & skf18("2","3","10","8","1","7","1") = "9"
    & skf18("2","3","10","8","1","8","1") = "9"
    & skf18("2","3","10","8","1","9","1") = "9"
    & skf18("2","3","10","8","1","10","1") = "9"
    & skf18("2","3","10","8","2","1","1") = "9"
    & skf18("2","3","10","8","2","2","1") = "9"
    & skf18("2","3","10","8","2","3","1") = "9"
    & skf18("2","3","10","8","2","4","1") = "9"
    & skf18("2","3","10","8","2","5","1") = "9"
    & skf18("2","3","10","8","2","6","1") = "9"
    & skf18("2","3","10","8","2","7","1") = "9"
    & skf18("2","3","10","8","2","8","1") = "9"
    & skf18("2","3","10","8","2","9","1") = "9"
    & skf18("2","3","10","8","2","10","1") = "9"
    & skf18("2","3","10","8","3","1","1") = "9"
    & skf18("2","3","10","8","3","2","1") = "9"
    & skf18("2","3","10","8","3","3","1") = "9"
    & skf18("2","3","10","8","3","4","1") = "9"
    & skf18("2","3","10","8","3","5","1") = "9"
    & skf18("2","3","10","8","3","6","1") = "9"
    & skf18("2","3","10","8","3","7","1") = "9"
    & skf18("2","3","10","8","3","8","1") = "9"
    & skf18("2","3","10","8","3","9","1") = "9"
    & skf18("2","3","10","8","3","10","1") = "9"
    & skf18("2","3","10","8","4","1","1") = "9"
    & skf18("2","3","10","8","4","2","1") = "9"
    & skf18("2","3","10","8","4","3","1") = "9"
    & skf18("2","3","10","8","4","4","1") = "9"
    & skf18("2","3","10","8","4","5","1") = "9"
    & skf18("2","3","10","8","4","6","1") = "9"
    & skf18("2","3","10","8","4","7","1") = "9"
    & skf18("2","3","10","8","4","8","1") = "9"
    & skf18("2","3","10","8","4","9","1") = "9"
    & skf18("2","3","10","8","4","10","1") = "9"
    & skf18("2","3","10","8","5","1","1") = "9"
    & skf18("2","3","10","8","5","2","1") = "9"
    & skf18("2","3","10","8","5","3","1") = "9"
    & skf18("2","3","10","8","5","4","1") = "9"
    & skf18("2","3","10","8","5","5","1") = "9"
    & skf18("2","3","10","8","5","6","1") = "9"
    & skf18("2","3","10","8","5","7","1") = "9"
    & skf18("2","3","10","8","5","8","1") = "9"
    & skf18("2","3","10","8","5","9","1") = "9"
    & skf18("2","3","10","8","5","10","1") = "9"
    & skf18("2","3","10","8","6","1","1") = "9"
    & skf18("2","3","10","8","6","2","1") = "9"
    & skf18("2","3","10","8","6","3","1") = "9"
    & skf18("2","3","10","8","6","4","1") = "9"
    & skf18("2","3","10","8","6","5","1") = "9"
    & skf18("2","3","10","8","6","6","1") = "9"
    & skf18("2","3","10","8","6","7","1") = "9"
    & skf18("2","3","10","8","6","8","1") = "9"
    & skf18("2","3","10","8","6","9","1") = "9"
    & skf18("2","3","10","8","6","10","1") = "9"
    & skf18("2","3","10","8","7","1","1") = "9"
    & skf18("2","3","10","8","7","2","1") = "9"
    & skf18("2","3","10","8","7","3","1") = "9"
    & skf18("2","3","10","8","7","4","1") = "9"
    & skf18("2","3","10","8","7","5","1") = "9"
    & skf18("2","3","10","8","7","6","1") = "9"
    & skf18("2","3","10","8","7","7","1") = "9"
    & skf18("2","3","10","8","7","8","1") = "9"
    & skf18("2","3","10","8","7","9","1") = "9"
    & skf18("2","3","10","8","7","10","1") = "9"
    & skf18("2","3","10","8","8","1","1") = "9"
    & skf18("2","3","10","8","8","2","1") = "9"
    & skf18("2","3","10","8","8","3","1") = "9"
    & skf18("2","3","10","8","8","4","1") = "9"
    & skf18("2","3","10","8","8","5","1") = "9"
    & skf18("2","3","10","8","8","6","1") = "9"
    & skf18("2","3","10","8","8","7","1") = "9"
    & skf18("2","3","10","8","8","8","1") = "9"
    & skf18("2","3","10","8","8","9","1") = "9"
    & skf18("2","3","10","8","8","10","1") = "9"
    & skf18("2","3","10","8","9","1","1") = "9"
    & skf18("2","3","10","8","9","2","1") = "9"
    & skf18("2","3","10","8","9","3","1") = "9"
    & skf18("2","3","10","8","9","4","1") = "9"
    & skf18("2","3","10","8","9","5","1") = "9"
    & skf18("2","3","10","8","9","6","1") = "9"
    & skf18("2","3","10","8","9","7","1") = "9"
    & skf18("2","3","10","8","9","8","1") = "9"
    & skf18("2","3","10","8","9","9","1") = "9"
    & skf18("2","3","10","8","9","10","1") = "9"
    & skf18("2","3","10","8","10","1","1") = "9"
    & skf18("2","3","10","8","10","2","1") = "9"
    & skf18("2","3","10","8","10","3","1") = "9"
    & skf18("2","3","10","8","10","4","1") = "9"
    & skf18("2","3","10","8","10","5","1") = "9"
    & skf18("2","3","10","8","10","6","1") = "9"
    & skf18("2","3","10","8","10","7","1") = "9"
    & skf18("2","3","10","8","10","8","1") = "9"
    & skf18("2","3","10","8","10","9","1") = "9"
    & skf18("2","3","10","8","10","10","1") = "9"
    & skf18("2","3","10","9","1","1","1") = "9"
    & skf18("2","3","10","9","1","2","1") = "9"
    & skf18("2","3","10","9","1","3","1") = "9"
    & skf18("2","3","10","9","1","4","1") = "9"
    & skf18("2","3","10","9","1","5","1") = "9"
    & skf18("2","3","10","9","1","6","1") = "9"
    & skf18("2","3","10","9","1","7","1") = "9"
    & skf18("2","3","10","9","1","8","1") = "9"
    & skf18("2","3","10","9","1","9","1") = "9"
    & skf18("2","3","10","9","1","10","1") = "9"
    & skf18("2","3","10","9","2","1","1") = "9"
    & skf18("2","3","10","9","2","2","1") = "9"
    & skf18("2","3","10","9","2","3","1") = "9"
    & skf18("2","3","10","9","2","4","1") = "9"
    & skf18("2","3","10","9","2","5","1") = "9"
    & skf18("2","3","10","9","2","6","1") = "9"
    & skf18("2","3","10","9","2","7","1") = "9"
    & skf18("2","3","10","9","2","8","1") = "9"
    & skf18("2","3","10","9","2","9","1") = "9"
    & skf18("2","3","10","9","2","10","1") = "9"
    & skf18("2","3","10","9","3","1","1") = "9"
    & skf18("2","3","10","9","3","2","1") = "9"
    & skf18("2","3","10","9","3","3","1") = "9"
    & skf18("2","3","10","9","3","4","1") = "9"
    & skf18("2","3","10","9","3","5","1") = "9"
    & skf18("2","3","10","9","3","6","1") = "9"
    & skf18("2","3","10","9","3","7","1") = "9"
    & skf18("2","3","10","9","3","8","1") = "9"
    & skf18("2","3","10","9","3","9","1") = "9"
    & skf18("2","3","10","9","3","10","1") = "9"
    & skf18("2","3","10","9","4","1","1") = "9"
    & skf18("2","3","10","9","4","2","1") = "9"
    & skf18("2","3","10","9","4","3","1") = "9"
    & skf18("2","3","10","9","4","4","1") = "9"
    & skf18("2","3","10","9","4","5","1") = "9"
    & skf18("2","3","10","9","4","6","1") = "9"
    & skf18("2","3","10","9","4","7","1") = "9"
    & skf18("2","3","10","9","4","8","1") = "9"
    & skf18("2","3","10","9","4","9","1") = "9"
    & skf18("2","3","10","9","4","10","1") = "9"
    & skf18("2","3","10","9","5","1","1") = "9"
    & skf18("2","3","10","9","5","2","1") = "9"
    & skf18("2","3","10","9","5","3","1") = "9"
    & skf18("2","3","10","9","5","4","1") = "9"
    & skf18("2","3","10","9","5","5","1") = "9"
    & skf18("2","3","10","9","5","6","1") = "9"
    & skf18("2","3","10","9","5","7","1") = "9"
    & skf18("2","3","10","9","5","8","1") = "9"
    & skf18("2","3","10","9","5","9","1") = "9"
    & skf18("2","3","10","9","5","10","1") = "9"
    & skf18("2","3","10","9","6","1","1") = "9"
    & skf18("2","3","10","9","6","2","1") = "9"
    & skf18("2","3","10","9","6","3","1") = "9"
    & skf18("2","3","10","9","6","4","1") = "9"
    & skf18("2","3","10","9","6","5","1") = "9"
    & skf18("2","3","10","9","6","6","1") = "9"
    & skf18("2","3","10","9","6","7","1") = "9"
    & skf18("2","3","10","9","6","8","1") = "9"
    & skf18("2","3","10","9","6","9","1") = "9"
    & skf18("2","3","10","9","6","10","1") = "9"
    & skf18("2","3","10","9","7","1","1") = "9"
    & skf18("2","3","10","9","7","2","1") = "9"
    & skf18("2","3","10","9","7","3","1") = "9"
    & skf18("2","3","10","9","7","4","1") = "9"
    & skf18("2","3","10","9","7","5","1") = "9"
    & skf18("2","3","10","9","7","6","1") = "9"
    & skf18("2","3","10","9","7","7","1") = "9"
    & skf18("2","3","10","9","7","8","1") = "9"
    & skf18("2","3","10","9","7","9","1") = "9"
    & skf18("2","3","10","9","7","10","1") = "9"
    & skf18("2","3","10","9","8","1","1") = "9"
    & skf18("2","3","10","9","8","2","1") = "9"
    & skf18("2","3","10","9","8","3","1") = "9"
    & skf18("2","3","10","9","8","4","1") = "9"
    & skf18("2","3","10","9","8","5","1") = "9"
    & skf18("2","3","10","9","8","6","1") = "9"
    & skf18("2","3","10","9","8","7","1") = "9"
    & skf18("2","3","10","9","8","8","1") = "9"
    & skf18("2","3","10","9","8","9","1") = "9"
    & skf18("2","3","10","9","8","10","1") = "9"
    & skf18("2","3","10","9","9","1","1") = "9"
    & skf18("2","3","10","9","9","2","1") = "9"
    & skf18("2","3","10","9","9","3","1") = "9"
    & skf18("2","3","10","9","9","4","1") = "9"
    & skf18("2","3","10","9","9","5","1") = "9"
    & skf18("2","3","10","9","9","6","1") = "9"
    & skf18("2","3","10","9","9","7","1") = "9"
    & skf18("2","3","10","9","9","8","1") = "9"
    & skf18("2","3","10","9","9","9","1") = "9"
    & skf18("2","3","10","9","9","10","1") = "9"
    & skf18("2","3","10","9","10","1","1") = "9"
    & skf18("2","3","10","9","10","2","1") = "9"
    & skf18("2","3","10","9","10","3","1") = "9"
    & skf18("2","3","10","9","10","4","1") = "9"
    & skf18("2","3","10","9","10","5","1") = "9"
    & skf18("2","3","10","9","10","6","1") = "9"
    & skf18("2","3","10","9","10","7","1") = "9"
    & skf18("2","3","10","9","10","8","1") = "9"
    & skf18("2","3","10","9","10","9","1") = "9"
    & skf18("2","3","10","9","10","10","1") = "9"
    & skf18("2","3","10","10","1","1","1") = "9"
    & skf18("2","3","10","10","1","2","1") = "9"
    & skf18("2","3","10","10","1","3","1") = "9"
    & skf18("2","3","10","10","1","4","1") = "9"
    & skf18("2","3","10","10","1","5","1") = "9"
    & skf18("2","3","10","10","1","6","1") = "9"
    & skf18("2","3","10","10","1","7","1") = "9"
    & skf18("2","3","10","10","1","8","1") = "9"
    & skf18("2","3","10","10","1","9","1") = "9"
    & skf18("2","3","10","10","1","10","1") = "9"
    & skf18("2","3","10","10","2","1","1") = "9"
    & skf18("2","3","10","10","2","2","1") = "9"
    & skf18("2","3","10","10","2","3","1") = "9"
    & skf18("2","3","10","10","2","4","1") = "9"
    & skf18("2","3","10","10","2","5","1") = "9"
    & skf18("2","3","10","10","2","6","1") = "9"
    & skf18("2","3","10","10","2","7","1") = "9"
    & skf18("2","3","10","10","2","8","1") = "9"
    & skf18("2","3","10","10","2","9","1") = "9"
    & skf18("2","3","10","10","2","10","1") = "9"
    & skf18("2","3","10","10","3","1","1") = "9"
    & skf18("2","3","10","10","3","2","1") = "9"
    & skf18("2","3","10","10","3","3","1") = "9"
    & skf18("2","3","10","10","3","4","1") = "9"
    & skf18("2","3","10","10","3","5","1") = "9"
    & skf18("2","3","10","10","3","6","1") = "9"
    & skf18("2","3","10","10","3","7","1") = "9"
    & skf18("2","3","10","10","3","8","1") = "9"
    & skf18("2","3","10","10","3","9","1") = "9"
    & skf18("2","3","10","10","3","10","1") = "9"
    & skf18("2","3","10","10","4","1","1") = "9"
    & skf18("2","3","10","10","4","2","1") = "9"
    & skf18("2","3","10","10","4","3","1") = "9"
    & skf18("2","3","10","10","4","4","1") = "9"
    & skf18("2","3","10","10","4","5","1") = "9"
    & skf18("2","3","10","10","4","6","1") = "9"
    & skf18("2","3","10","10","4","7","1") = "9"
    & skf18("2","3","10","10","4","8","1") = "9"
    & skf18("2","3","10","10","4","9","1") = "9"
    & skf18("2","3","10","10","4","10","1") = "9"
    & skf18("2","3","10","10","5","1","1") = "9"
    & skf18("2","3","10","10","5","2","1") = "9"
    & skf18("2","3","10","10","5","3","1") = "9"
    & skf18("2","3","10","10","5","4","1") = "9"
    & skf18("2","3","10","10","5","5","1") = "9"
    & skf18("2","3","10","10","5","6","1") = "9"
    & skf18("2","3","10","10","5","7","1") = "9"
    & skf18("2","3","10","10","5","8","1") = "9"
    & skf18("2","3","10","10","5","9","1") = "9"
    & skf18("2","3","10","10","5","10","1") = "9"
    & skf18("2","3","10","10","6","1","1") = "9"
    & skf18("2","3","10","10","6","2","1") = "9"
    & skf18("2","3","10","10","6","3","1") = "9"
    & skf18("2","3","10","10","6","4","1") = "9"
    & skf18("2","3","10","10","6","5","1") = "9"
    & skf18("2","3","10","10","6","6","1") = "9"
    & skf18("2","3","10","10","6","7","1") = "9"
    & skf18("2","3","10","10","6","8","1") = "9"
    & skf18("2","3","10","10","6","9","1") = "9"
    & skf18("2","3","10","10","6","10","1") = "9"
    & skf18("2","3","10","10","7","1","1") = "9"
    & skf18("2","3","10","10","7","2","1") = "9"
    & skf18("2","3","10","10","7","3","1") = "9"
    & skf18("2","3","10","10","7","4","1") = "9"
    & skf18("2","3","10","10","7","5","1") = "9"
    & skf18("2","3","10","10","7","6","1") = "9"
    & skf18("2","3","10","10","7","7","1") = "9"
    & skf18("2","3","10","10","7","8","1") = "9"
    & skf18("2","3","10","10","7","9","1") = "9"
    & skf18("2","3","10","10","7","10","1") = "9"
    & skf18("2","3","10","10","8","1","1") = "9"
    & skf18("2","3","10","10","8","2","1") = "9"
    & skf18("2","3","10","10","8","3","1") = "9"
    & skf18("2","3","10","10","8","4","1") = "9"
    & skf18("2","3","10","10","8","5","1") = "9"
    & skf18("2","3","10","10","8","6","1") = "9"
    & skf18("2","3","10","10","8","7","1") = "9"
    & skf18("2","3","10","10","8","8","1") = "9"
    & skf18("2","3","10","10","8","9","1") = "9"
    & skf18("2","3","10","10","8","10","1") = "9"
    & skf18("2","3","10","10","9","1","1") = "9"
    & skf18("2","3","10","10","9","2","1") = "9"
    & skf18("2","3","10","10","9","3","1") = "9"
    & skf18("2","3","10","10","9","4","1") = "9"
    & skf18("2","3","10","10","9","5","1") = "9"
    & skf18("2","3","10","10","9","6","1") = "9"
    & skf18("2","3","10","10","9","7","1") = "9"
    & skf18("2","3","10","10","9","8","1") = "9"
    & skf18("2","3","10","10","9","9","1") = "9"
    & skf18("2","3","10","10","9","10","1") = "9"
    & skf18("2","3","10","10","10","1","1") = "9"
    & skf18("2","3","10","10","10","2","1") = "9"
    & skf18("2","3","10","10","10","3","1") = "9"
    & skf18("2","3","10","10","10","4","1") = "9"
    & skf18("2","3","10","10","10","5","1") = "9"
    & skf18("2","3","10","10","10","6","1") = "9"
    & skf18("2","3","10","10","10","7","1") = "9"
    & skf18("2","3","10","10","10","8","1") = "9"
    & skf18("2","3","10","10","10","9","1") = "9"
    & skf18("2","3","10","10","10","10","1") = "9"
    & skf18("2","4","1","1","1","1","1") = "3"
    & skf18("2","4","1","1","1","2","1") = "3"
    & skf18("2","4","1","1","1","3","1") = "3"
    & skf18("2","4","1","1","1","4","1") = "3"
    & skf18("2","4","1","1","1","5","1") = "4"
    & skf18("2","4","1","1","1","6","1") = "5"
    & skf18("2","4","1","1","1","7","1") = "6"
    & skf18("2","4","1","1","1","8","1") = "7"
    & skf18("2","4","1","1","1","9","1") = "8"
    & skf18("2","4","1","1","1","10","1") = "9"
    & skf18("2","4","1","1","2","1","1") = "3"
    & skf18("2","4","1","1","2","2","1") = "3"
    & skf18("2","4","1","1","2","3","1") = "3"
    & skf18("2","4","1","1","2","4","1") = "3"
    & skf18("2","4","1","1","2","5","1") = "4"
    & skf18("2","4","1","1","2","6","1") = "5"
    & skf18("2","4","1","1","2","7","1") = "6"
    & skf18("2","4","1","1","2","8","1") = "7"
    & skf18("2","4","1","1","2","9","1") = "8"
    & skf18("2","4","1","1","2","10","1") = "9"
    & skf18("2","4","1","1","3","1","1") = "3"
    & skf18("2","4","1","1","3","2","1") = "3"
    & skf18("2","4","1","1","3","3","1") = "3"
    & skf18("2","4","1","1","3","4","1") = "3"
    & skf18("2","4","1","1","3","5","1") = "4"
    & skf18("2","4","1","1","3","6","1") = "5"
    & skf18("2","4","1","1","3","7","1") = "6"
    & skf18("2","4","1","1","3","8","1") = "7"
    & skf18("2","4","1","1","3","9","1") = "8"
    & skf18("2","4","1","1","3","10","1") = "9"
    & skf18("2","4","1","1","4","1","1") = "3"
    & skf18("2","4","1","1","4","2","1") = "3"
    & skf18("2","4","1","1","4","3","1") = "3"
    & skf18("2","4","1","1","4","4","1") = "3"
    & skf18("2","4","1","1","4","5","1") = "4"
    & skf18("2","4","1","1","4","6","1") = "5"
    & skf18("2","4","1","1","4","7","1") = "6"
    & skf18("2","4","1","1","4","8","1") = "7"
    & skf18("2","4","1","1","4","9","1") = "8"
    & skf18("2","4","1","1","4","10","1") = "9"
    & skf18("2","4","1","1","5","1","1") = "4"
    & skf18("2","4","1","1","5","2","1") = "4"
    & skf18("2","4","1","1","5","3","1") = "4"
    & skf18("2","4","1","1","5","4","1") = "4"
    & skf18("2","4","1","1","5","5","1") = "4"
    & skf18("2","4","1","1","5","6","1") = "5"
    & skf18("2","4","1","1","5","7","1") = "6"
    & skf18("2","4","1","1","5","8","1") = "7"
    & skf18("2","4","1","1","5","9","1") = "8"
    & skf18("2","4","1","1","5","10","1") = "9"
    & skf18("2","4","1","1","6","1","1") = "5"
    & skf18("2","4","1","1","6","2","1") = "5"
    & skf18("2","4","1","1","6","3","1") = "5"
    & skf18("2","4","1","1","6","4","1") = "5"
    & skf18("2","4","1","1","6","5","1") = "5"
    & skf18("2","4","1","1","6","6","1") = "5"
    & skf18("2","4","1","1","6","7","1") = "6"
    & skf18("2","4","1","1","6","8","1") = "7"
    & skf18("2","4","1","1","6","9","1") = "8"
    & skf18("2","4","1","1","6","10","1") = "9"
    & skf18("2","4","1","1","7","1","1") = "6"
    & skf18("2","4","1","1","7","2","1") = "6"
    & skf18("2","4","1","1","7","3","1") = "6"
    & skf18("2","4","1","1","7","4","1") = "6"
    & skf18("2","4","1","1","7","5","1") = "6"
    & skf18("2","4","1","1","7","6","1") = "6"
    & skf18("2","4","1","1","7","7","1") = "6"
    & skf18("2","4","1","1","7","8","1") = "7"
    & skf18("2","4","1","1","7","9","1") = "8"
    & skf18("2","4","1","1","7","10","1") = "9"
    & skf18("2","4","1","1","8","1","1") = "7"
    & skf18("2","4","1","1","8","2","1") = "7"
    & skf18("2","4","1","1","8","3","1") = "7"
    & skf18("2","4","1","1","8","4","1") = "7"
    & skf18("2","4","1","1","8","5","1") = "7"
    & skf18("2","4","1","1","8","6","1") = "7"
    & skf18("2","4","1","1","8","7","1") = "7"
    & skf18("2","4","1","1","8","8","1") = "7"
    & skf18("2","4","1","1","8","9","1") = "8"
    & skf18("2","4","1","1","8","10","1") = "9"
    & skf18("2","4","1","1","9","1","1") = "8"
    & skf18("2","4","1","1","9","2","1") = "8"
    & skf18("2","4","1","1","9","3","1") = "8"
    & skf18("2","4","1","1","9","4","1") = "8"
    & skf18("2","4","1","1","9","5","1") = "8"
    & skf18("2","4","1","1","9","6","1") = "8"
    & skf18("2","4","1","1","9","7","1") = "8"
    & skf18("2","4","1","1","9","8","1") = "8"
    & skf18("2","4","1","1","9","9","1") = "8"
    & skf18("2","4","1","1","9","10","1") = "9"
    & skf18("2","4","1","1","10","1","1") = "9"
    & skf18("2","4","1","1","10","2","1") = "9"
    & skf18("2","4","1","1","10","3","1") = "9"
    & skf18("2","4","1","1","10","4","1") = "9"
    & skf18("2","4","1","1","10","5","1") = "9"
    & skf18("2","4","1","1","10","6","1") = "9"
    & skf18("2","4","1","1","10","7","1") = "9"
    & skf18("2","4","1","1","10","8","1") = "9"
    & skf18("2","4","1","1","10","9","1") = "9"
    & skf18("2","4","1","1","10","10","1") = "9"
    & skf18("2","4","1","2","1","1","1") = "3"
    & skf18("2","4","1","2","1","2","1") = "3"
    & skf18("2","4","1","2","1","3","1") = "3"
    & skf18("2","4","1","2","1","4","1") = "3"
    & skf18("2","4","1","2","1","5","1") = "4"
    & skf18("2","4","1","2","1","6","1") = "5"
    & skf18("2","4","1","2","1","7","1") = "6"
    & skf18("2","4","1","2","1","8","1") = "7"
    & skf18("2","4","1","2","1","9","1") = "8"
    & skf18("2","4","1","2","1","10","1") = "9"
    & skf18("2","4","1","2","2","1","1") = "3"
    & skf18("2","4","1","2","2","2","1") = "3"
    & skf18("2","4","1","2","2","3","1") = "3"
    & skf18("2","4","1","2","2","4","1") = "3"
    & skf18("2","4","1","2","2","5","1") = "4"
    & skf18("2","4","1","2","2","6","1") = "5"
    & skf18("2","4","1","2","2","7","1") = "6"
    & skf18("2","4","1","2","2","8","1") = "7"
    & skf18("2","4","1","2","2","9","1") = "8"
    & skf18("2","4","1","2","2","10","1") = "9"
    & skf18("2","4","1","2","3","1","1") = "3"
    & skf18("2","4","1","2","3","2","1") = "3"
    & skf18("2","4","1","2","3","3","1") = "3"
    & skf18("2","4","1","2","3","4","1") = "3"
    & skf18("2","4","1","2","3","5","1") = "4"
    & skf18("2","4","1","2","3","6","1") = "5"
    & skf18("2","4","1","2","3","7","1") = "6"
    & skf18("2","4","1","2","3","8","1") = "7"
    & skf18("2","4","1","2","3","9","1") = "8"
    & skf18("2","4","1","2","3","10","1") = "9"
    & skf18("2","4","1","2","4","1","1") = "3"
    & skf18("2","4","1","2","4","2","1") = "3"
    & skf18("2","4","1","2","4","3","1") = "3"
    & skf18("2","4","1","2","4","4","1") = "3"
    & skf18("2","4","1","2","4","5","1") = "4"
    & skf18("2","4","1","2","4","6","1") = "5"
    & skf18("2","4","1","2","4","7","1") = "6"
    & skf18("2","4","1","2","4","8","1") = "7"
    & skf18("2","4","1","2","4","9","1") = "8"
    & skf18("2","4","1","2","4","10","1") = "9"
    & skf18("2","4","1","2","5","1","1") = "4"
    & skf18("2","4","1","2","5","2","1") = "4"
    & skf18("2","4","1","2","5","3","1") = "4"
    & skf18("2","4","1","2","5","4","1") = "4"
    & skf18("2","4","1","2","5","5","1") = "4"
    & skf18("2","4","1","2","5","6","1") = "5"
    & skf18("2","4","1","2","5","7","1") = "6"
    & skf18("2","4","1","2","5","8","1") = "7"
    & skf18("2","4","1","2","5","9","1") = "8"
    & skf18("2","4","1","2","5","10","1") = "9"
    & skf18("2","4","1","2","6","1","1") = "5"
    & skf18("2","4","1","2","6","2","1") = "5"
    & skf18("2","4","1","2","6","3","1") = "5"
    & skf18("2","4","1","2","6","4","1") = "5"
    & skf18("2","4","1","2","6","5","1") = "5"
    & skf18("2","4","1","2","6","6","1") = "5"
    & skf18("2","4","1","2","6","7","1") = "6"
    & skf18("2","4","1","2","6","8","1") = "7"
    & skf18("2","4","1","2","6","9","1") = "8"
    & skf18("2","4","1","2","6","10","1") = "9"
    & skf18("2","4","1","2","7","1","1") = "6"
    & skf18("2","4","1","2","7","2","1") = "6"
    & skf18("2","4","1","2","7","3","1") = "6"
    & skf18("2","4","1","2","7","4","1") = "6"
    & skf18("2","4","1","2","7","5","1") = "6"
    & skf18("2","4","1","2","7","6","1") = "6"
    & skf18("2","4","1","2","7","7","1") = "6"
    & skf18("2","4","1","2","7","8","1") = "7"
    & skf18("2","4","1","2","7","9","1") = "8"
    & skf18("2","4","1","2","7","10","1") = "9"
    & skf18("2","4","1","2","8","1","1") = "7"
    & skf18("2","4","1","2","8","2","1") = "7"
    & skf18("2","4","1","2","8","3","1") = "7"
    & skf18("2","4","1","2","8","4","1") = "7"
    & skf18("2","4","1","2","8","5","1") = "7"
    & skf18("2","4","1","2","8","6","1") = "7"
    & skf18("2","4","1","2","8","7","1") = "7"
    & skf18("2","4","1","2","8","8","1") = "7"
    & skf18("2","4","1","2","8","9","1") = "8"
    & skf18("2","4","1","2","8","10","1") = "9"
    & skf18("2","4","1","2","9","1","1") = "8"
    & skf18("2","4","1","2","9","2","1") = "8"
    & skf18("2","4","1","2","9","3","1") = "8"
    & skf18("2","4","1","2","9","4","1") = "8"
    & skf18("2","4","1","2","9","5","1") = "8"
    & skf18("2","4","1","2","9","6","1") = "8"
    & skf18("2","4","1","2","9","7","1") = "8"
    & skf18("2","4","1","2","9","8","1") = "8"
    & skf18("2","4","1","2","9","9","1") = "8"
    & skf18("2","4","1","2","9","10","1") = "9"
    & skf18("2","4","1","2","10","1","1") = "9"
    & skf18("2","4","1","2","10","2","1") = "9"
    & skf18("2","4","1","2","10","3","1") = "9"
    & skf18("2","4","1","2","10","4","1") = "9"
    & skf18("2","4","1","2","10","5","1") = "9"
    & skf18("2","4","1","2","10","6","1") = "9"
    & skf18("2","4","1","2","10","7","1") = "9"
    & skf18("2","4","1","2","10","8","1") = "9"
    & skf18("2","4","1","2","10","9","1") = "9"
    & skf18("2","4","1","2","10","10","1") = "9"
    & skf18("2","4","1","3","1","1","1") = "3"
    & skf18("2","4","1","3","1","2","1") = "3"
    & skf18("2","4","1","3","1","3","1") = "3"
    & skf18("2","4","1","3","1","4","1") = "3"
    & skf18("2","4","1","3","1","5","1") = "4"
    & skf18("2","4","1","3","1","6","1") = "5"
    & skf18("2","4","1","3","1","7","1") = "6"
    & skf18("2","4","1","3","1","8","1") = "7"
    & skf18("2","4","1","3","1","9","1") = "8"
    & skf18("2","4","1","3","1","10","1") = "9"
    & skf18("2","4","1","3","2","1","1") = "3"
    & skf18("2","4","1","3","2","2","1") = "3"
    & skf18("2","4","1","3","2","3","1") = "3"
    & skf18("2","4","1","3","2","4","1") = "3"
    & skf18("2","4","1","3","2","5","1") = "4"
    & skf18("2","4","1","3","2","6","1") = "5"
    & skf18("2","4","1","3","2","7","1") = "6"
    & skf18("2","4","1","3","2","8","1") = "7"
    & skf18("2","4","1","3","2","9","1") = "8"
    & skf18("2","4","1","3","2","10","1") = "9"
    & skf18("2","4","1","3","3","1","1") = "3"
    & skf18("2","4","1","3","3","2","1") = "3"
    & skf18("2","4","1","3","3","3","1") = "3"
    & skf18("2","4","1","3","3","4","1") = "3"
    & skf18("2","4","1","3","3","5","1") = "4"
    & skf18("2","4","1","3","3","6","1") = "5"
    & skf18("2","4","1","3","3","7","1") = "6"
    & skf18("2","4","1","3","3","8","1") = "7"
    & skf18("2","4","1","3","3","9","1") = "8"
    & skf18("2","4","1","3","3","10","1") = "9"
    & skf18("2","4","1","3","4","1","1") = "2"
    & skf18("2","4","1","3","4","2","1") = "3"
    & skf18("2","4","1","3","4","3","1") = "3"
    & skf18("2","4","1","3","4","4","1") = "3"
    & skf18("2","4","1","3","4","5","1") = "4"
    & skf18("2","4","1","3","4","6","1") = "5"
    & skf18("2","4","1","3","4","7","1") = "6"
    & skf18("2","4","1","3","4","8","1") = "7"
    & skf18("2","4","1","3","4","9","1") = "8"
    & skf18("2","4","1","3","4","10","1") = "9"
    & skf18("2","4","1","3","5","1","1") = "4"
    & skf18("2","4","1","3","5","2","1") = "4"
    & skf18("2","4","1","3","5","3","1") = "4"
    & skf18("2","4","1","3","5","4","1") = "4"
    & skf18("2","4","1","3","5","5","1") = "4"
    & skf18("2","4","1","3","5","6","1") = "5"
    & skf18("2","4","1","3","5","7","1") = "6"
    & skf18("2","4","1","3","5","8","1") = "7"
    & skf18("2","4","1","3","5","9","1") = "8"
    & skf18("2","4","1","3","5","10","1") = "9"
    & skf18("2","4","1","3","6","1","1") = "5"
    & skf18("2","4","1","3","6","2","1") = "5"
    & skf18("2","4","1","3","6","3","1") = "5"
    & skf18("2","4","1","3","6","4","1") = "5"
    & skf18("2","4","1","3","6","5","1") = "5"
    & skf18("2","4","1","3","6","6","1") = "5"
    & skf18("2","4","1","3","6","7","1") = "6"
    & skf18("2","4","1","3","6","8","1") = "7"
    & skf18("2","4","1","3","6","9","1") = "8"
    & skf18("2","4","1","3","6","10","1") = "9"
    & skf18("2","4","1","3","7","1","1") = "6"
    & skf18("2","4","1","3","7","2","1") = "6"
    & skf18("2","4","1","3","7","3","1") = "6"
    & skf18("2","4","1","3","7","4","1") = "6"
    & skf18("2","4","1","3","7","5","1") = "6"
    & skf18("2","4","1","3","7","6","1") = "6"
    & skf18("2","4","1","3","7","7","1") = "6"
    & skf18("2","4","1","3","7","8","1") = "7"
    & skf18("2","4","1","3","7","9","1") = "8"
    & skf18("2","4","1","3","7","10","1") = "9"
    & skf18("2","4","1","3","8","1","1") = "7"
    & skf18("2","4","1","3","8","2","1") = "7"
    & skf18("2","4","1","3","8","3","1") = "7"
    & skf18("2","4","1","3","8","4","1") = "7"
    & skf18("2","4","1","3","8","5","1") = "7"
    & skf18("2","4","1","3","8","6","1") = "7"
    & skf18("2","4","1","3","8","7","1") = "7"
    & skf18("2","4","1","3","8","8","1") = "7"
    & skf18("2","4","1","3","8","9","1") = "8"
    & skf18("2","4","1","3","8","10","1") = "9"
    & skf18("2","4","1","3","9","1","1") = "8"
    & skf18("2","4","1","3","9","2","1") = "8"
    & skf18("2","4","1","3","9","3","1") = "8"
    & skf18("2","4","1","3","9","4","1") = "8"
    & skf18("2","4","1","3","9","5","1") = "8"
    & skf18("2","4","1","3","9","6","1") = "8"
    & skf18("2","4","1","3","9","7","1") = "8"
    & skf18("2","4","1","3","9","8","1") = "8"
    & skf18("2","4","1","3","9","9","1") = "8"
    & skf18("2","4","1","3","9","10","1") = "9"
    & skf18("2","4","1","3","10","1","1") = "9"
    & skf18("2","4","1","3","10","2","1") = "9"
    & skf18("2","4","1","3","10","3","1") = "9"
    & skf18("2","4","1","3","10","4","1") = "9"
    & skf18("2","4","1","3","10","5","1") = "9"
    & skf18("2","4","1","3","10","6","1") = "9"
    & skf18("2","4","1","3","10","7","1") = "9"
    & skf18("2","4","1","3","10","8","1") = "9"
    & skf18("2","4","1","3","10","9","1") = "9"
    & skf18("2","4","1","3","10","10","1") = "9"
    & skf18("2","4","1","4","1","1","1") = "3"
    & skf18("2","4","1","4","1","2","1") = "3"
    & skf18("2","4","1","4","1","3","1") = "3"
    & skf18("2","4","1","4","1","4","1") = "3"
    & skf18("2","4","1","4","1","5","1") = "4"
    & skf18("2","4","1","4","1","6","1") = "5"
    & skf18("2","4","1","4","1","7","1") = "6"
    & skf18("2","4","1","4","1","8","1") = "7"
    & skf18("2","4","1","4","1","9","1") = "8"
    & skf18("2","4","1","4","1","10","1") = "9"
    & skf18("2","4","1","4","2","1","1") = "3"
    & skf18("2","4","1","4","2","2","1") = "3"
    & skf18("2","4","1","4","2","3","1") = "3"
    & skf18("2","4","1","4","2","4","1") = "3"
    & skf18("2","4","1","4","2","5","1") = "4"
    & skf18("2","4","1","4","2","6","1") = "5"
    & skf18("2","4","1","4","2","7","1") = "6"
    & skf18("2","4","1","4","2","8","1") = "7"
    & skf18("2","4","1","4","2","9","1") = "8"
    & skf18("2","4","1","4","2","10","1") = "9"
    & skf18("2","4","1","4","3","1","1") = "3"
    & skf18("2","4","1","4","3","2","1") = "3"
    & skf18("2","4","1","4","3","3","1") = "3"
    & skf18("2","4","1","4","3","4","1") = "3"
    & skf18("2","4","1","4","3","5","1") = "4"
    & skf18("2","4","1","4","3","6","1") = "5"
    & skf18("2","4","1","4","3","7","1") = "6"
    & skf18("2","4","1","4","3","8","1") = "7"
    & skf18("2","4","1","4","3","9","1") = "8"
    & skf18("2","4","1","4","3","10","1") = "9"
    & skf18("2","4","1","4","4","1","1") = "3"
    & skf18("2","4","1","4","4","2","1") = "3"
    & skf18("2","4","1","4","4","3","1") = "3"
    & skf18("2","4","1","4","4","4","1") = "3"
    & skf18("2","4","1","4","4","5","1") = "4"
    & skf18("2","4","1","4","4","6","1") = "5"
    & skf18("2","4","1","4","4","7","1") = "6"
    & skf18("2","4","1","4","4","8","1") = "7"
    & skf18("2","4","1","4","4","9","1") = "8"
    & skf18("2","4","1","4","4","10","1") = "9"
    & skf18("2","4","1","4","5","1","1") = "4"
    & skf18("2","4","1","4","5","2","1") = "4"
    & skf18("2","4","1","4","5","3","1") = "4"
    & skf18("2","4","1","4","5","4","1") = "4"
    & skf18("2","4","1","4","5","5","1") = "4"
    & skf18("2","4","1","4","5","6","1") = "5"
    & skf18("2","4","1","4","5","7","1") = "6"
    & skf18("2","4","1","4","5","8","1") = "7"
    & skf18("2","4","1","4","5","9","1") = "8"
    & skf18("2","4","1","4","5","10","1") = "9"
    & skf18("2","4","1","4","6","1","1") = "5"
    & skf18("2","4","1","4","6","2","1") = "5"
    & skf18("2","4","1","4","6","3","1") = "5"
    & skf18("2","4","1","4","6","4","1") = "5"
    & skf18("2","4","1","4","6","5","1") = "5"
    & skf18("2","4","1","4","6","6","1") = "5"
    & skf18("2","4","1","4","6","7","1") = "6"
    & skf18("2","4","1","4","6","8","1") = "7"
    & skf18("2","4","1","4","6","9","1") = "8"
    & skf18("2","4","1","4","6","10","1") = "9"
    & skf18("2","4","1","4","7","1","1") = "6"
    & skf18("2","4","1","4","7","2","1") = "6"
    & skf18("2","4","1","4","7","3","1") = "6"
    & skf18("2","4","1","4","7","4","1") = "6"
    & skf18("2","4","1","4","7","5","1") = "6"
    & skf18("2","4","1","4","7","6","1") = "6"
    & skf18("2","4","1","4","7","7","1") = "6"
    & skf18("2","4","1","4","7","8","1") = "7"
    & skf18("2","4","1","4","7","9","1") = "8"
    & skf18("2","4","1","4","7","10","1") = "9"
    & skf18("2","4","1","4","8","1","1") = "7"
    & skf18("2","4","1","4","8","2","1") = "7"
    & skf18("2","4","1","4","8","3","1") = "7"
    & skf18("2","4","1","4","8","4","1") = "7"
    & skf18("2","4","1","4","8","5","1") = "7"
    & skf18("2","4","1","4","8","6","1") = "7"
    & skf18("2","4","1","4","8","7","1") = "7"
    & skf18("2","4","1","4","8","8","1") = "7"
    & skf18("2","4","1","4","8","9","1") = "8"
    & skf18("2","4","1","4","8","10","1") = "9"
    & skf18("2","4","1","4","9","1","1") = "8"
    & skf18("2","4","1","4","9","2","1") = "8"
    & skf18("2","4","1","4","9","3","1") = "8"
    & skf18("2","4","1","4","9","4","1") = "8"
    & skf18("2","4","1","4","9","5","1") = "8"
    & skf18("2","4","1","4","9","6","1") = "8"
    & skf18("2","4","1","4","9","7","1") = "8"
    & skf18("2","4","1","4","9","8","1") = "8"
    & skf18("2","4","1","4","9","9","1") = "8"
    & skf18("2","4","1","4","9","10","1") = "9"
    & skf18("2","4","1","4","10","1","1") = "9"
    & skf18("2","4","1","4","10","2","1") = "9"
    & skf18("2","4","1","4","10","3","1") = "9"
    & skf18("2","4","1","4","10","4","1") = "9"
    & skf18("2","4","1","4","10","5","1") = "9"
    & skf18("2","4","1","4","10","6","1") = "9"
    & skf18("2","4","1","4","10","7","1") = "9"
    & skf18("2","4","1","4","10","8","1") = "9"
    & skf18("2","4","1","4","10","9","1") = "9"
    & skf18("2","4","1","4","10","10","1") = "9"
    & skf18("2","4","1","5","1","1","1") = "4"
    & skf18("2","4","1","5","1","2","1") = "4"
    & skf18("2","4","1","5","1","3","1") = "4"
    & skf18("2","4","1","5","1","4","1") = "4"
    & skf18("2","4","1","5","1","5","1") = "4"
    & skf18("2","4","1","5","1","6","1") = "5"
    & skf18("2","4","1","5","1","7","1") = "6"
    & skf18("2","4","1","5","1","8","1") = "7"
    & skf18("2","4","1","5","1","9","1") = "8"
    & skf18("2","4","1","5","1","10","1") = "9"
    & skf18("2","4","1","5","2","1","1") = "4"
    & skf18("2","4","1","5","2","2","1") = "4"
    & skf18("2","4","1","5","2","3","1") = "4"
    & skf18("2","4","1","5","2","4","1") = "4"
    & skf18("2","4","1","5","2","5","1") = "4"
    & skf18("2","4","1","5","2","6","1") = "5"
    & skf18("2","4","1","5","2","7","1") = "6"
    & skf18("2","4","1","5","2","8","1") = "7"
    & skf18("2","4","1","5","2","9","1") = "8"
    & skf18("2","4","1","5","2","10","1") = "9"
    & skf18("2","4","1","5","3","1","1") = "4"
    & skf18("2","4","1","5","3","2","1") = "4"
    & skf18("2","4","1","5","3","3","1") = "4"
    & skf18("2","4","1","5","3","4","1") = "4"
    & skf18("2","4","1","5","3","5","1") = "4"
    & skf18("2","4","1","5","3","6","1") = "5"
    & skf18("2","4","1","5","3","7","1") = "6"
    & skf18("2","4","1","5","3","8","1") = "7"
    & skf18("2","4","1","5","3","9","1") = "8"
    & skf18("2","4","1","5","3","10","1") = "9"
    & skf18("2","4","1","5","4","1","1") = "4"
    & skf18("2","4","1","5","4","2","1") = "4"
    & skf18("2","4","1","5","4","3","1") = "4"
    & skf18("2","4","1","5","4","4","1") = "4"
    & skf18("2","4","1","5","4","5","1") = "4"
    & skf18("2","4","1","5","4","6","1") = "5"
    & skf18("2","4","1","5","4","7","1") = "6"
    & skf18("2","4","1","5","4","8","1") = "7"
    & skf18("2","4","1","5","4","9","1") = "8"
    & skf18("2","4","1","5","4","10","1") = "9"
    & skf18("2","4","1","5","5","1","1") = "4"
    & skf18("2","4","1","5","5","2","1") = "4"
    & skf18("2","4","1","5","5","3","1") = "4"
    & skf18("2","4","1","5","5","4","1") = "4"
    & skf18("2","4","1","5","5","5","1") = "4"
    & skf18("2","4","1","5","5","6","1") = "5"
    & skf18("2","4","1","5","5","7","1") = "6"
    & skf18("2","4","1","5","5","8","1") = "7"
    & skf18("2","4","1","5","5","9","1") = "8"
    & skf18("2","4","1","5","5","10","1") = "9"
    & skf18("2","4","1","5","6","1","1") = "5"
    & skf18("2","4","1","5","6","2","1") = "5"
    & skf18("2","4","1","5","6","3","1") = "5"
    & skf18("2","4","1","5","6","4","1") = "5"
    & skf18("2","4","1","5","6","5","1") = "5"
    & skf18("2","4","1","5","6","6","1") = "5"
    & skf18("2","4","1","5","6","7","1") = "6"
    & skf18("2","4","1","5","6","8","1") = "7"
    & skf18("2","4","1","5","6","9","1") = "8"
    & skf18("2","4","1","5","6","10","1") = "9"
    & skf18("2","4","1","5","7","1","1") = "6"
    & skf18("2","4","1","5","7","2","1") = "6"
    & skf18("2","4","1","5","7","3","1") = "6"
    & skf18("2","4","1","5","7","4","1") = "6"
    & skf18("2","4","1","5","7","5","1") = "6"
    & skf18("2","4","1","5","7","6","1") = "6"
    & skf18("2","4","1","5","7","7","1") = "6"
    & skf18("2","4","1","5","7","8","1") = "7"
    & skf18("2","4","1","5","7","9","1") = "8"
    & skf18("2","4","1","5","7","10","1") = "9"
    & skf18("2","4","1","5","8","1","1") = "7"
    & skf18("2","4","1","5","8","2","1") = "7"
    & skf18("2","4","1","5","8","3","1") = "7"
    & skf18("2","4","1","5","8","4","1") = "7"
    & skf18("2","4","1","5","8","5","1") = "7"
    & skf18("2","4","1","5","8","6","1") = "7"
    & skf18("2","4","1","5","8","7","1") = "7"
    & skf18("2","4","1","5","8","8","1") = "7"
    & skf18("2","4","1","5","8","9","1") = "8"
    & skf18("2","4","1","5","8","10","1") = "9"
    & skf18("2","4","1","5","9","1","1") = "8"
    & skf18("2","4","1","5","9","2","1") = "8"
    & skf18("2","4","1","5","9","3","1") = "8"
    & skf18("2","4","1","5","9","4","1") = "8"
    & skf18("2","4","1","5","9","5","1") = "8"
    & skf18("2","4","1","5","9","6","1") = "8"
    & skf18("2","4","1","5","9","7","1") = "8"
    & skf18("2","4","1","5","9","8","1") = "8"
    & skf18("2","4","1","5","9","9","1") = "8"
    & skf18("2","4","1","5","9","10","1") = "9"
    & skf18("2","4","1","5","10","1","1") = "9"
    & skf18("2","4","1","5","10","2","1") = "9"
    & skf18("2","4","1","5","10","3","1") = "9"
    & skf18("2","4","1","5","10","4","1") = "9"
    & skf18("2","4","1","5","10","5","1") = "9"
    & skf18("2","4","1","5","10","6","1") = "9"
    & skf18("2","4","1","5","10","7","1") = "9"
    & skf18("2","4","1","5","10","8","1") = "9"
    & skf18("2","4","1","5","10","9","1") = "9"
    & skf18("2","4","1","5","10","10","1") = "9"
    & skf18("2","4","1","6","1","1","1") = "5"
    & skf18("2","4","1","6","1","2","1") = "5"
    & skf18("2","4","1","6","1","3","1") = "5"
    & skf18("2","4","1","6","1","4","1") = "5"
    & skf18("2","4","1","6","1","5","1") = "5"
    & skf18("2","4","1","6","1","6","1") = "5"
    & skf18("2","4","1","6","1","7","1") = "6"
    & skf18("2","4","1","6","1","8","1") = "7"
    & skf18("2","4","1","6","1","9","1") = "8"
    & skf18("2","4","1","6","1","10","1") = "9"
    & skf18("2","4","1","6","2","1","1") = "5"
    & skf18("2","4","1","6","2","2","1") = "5"
    & skf18("2","4","1","6","2","3","1") = "5"
    & skf18("2","4","1","6","2","4","1") = "5"
    & skf18("2","4","1","6","2","5","1") = "5"
    & skf18("2","4","1","6","2","6","1") = "5"
    & skf18("2","4","1","6","2","7","1") = "6"
    & skf18("2","4","1","6","2","8","1") = "7"
    & skf18("2","4","1","6","2","9","1") = "8"
    & skf18("2","4","1","6","2","10","1") = "9"
    & skf18("2","4","1","6","3","1","1") = "5"
    & skf18("2","4","1","6","3","2","1") = "5"
    & skf18("2","4","1","6","3","3","1") = "5"
    & skf18("2","4","1","6","3","4","1") = "5"
    & skf18("2","4","1","6","3","5","1") = "5"
    & skf18("2","4","1","6","3","6","1") = "5"
    & skf18("2","4","1","6","3","7","1") = "6"
    & skf18("2","4","1","6","3","8","1") = "7"
    & skf18("2","4","1","6","3","9","1") = "8"
    & skf18("2","4","1","6","3","10","1") = "9"
    & skf18("2","4","1","6","4","1","1") = "5"
    & skf18("2","4","1","6","4","2","1") = "5"
    & skf18("2","4","1","6","4","3","1") = "5"
    & skf18("2","4","1","6","4","4","1") = "5"
    & skf18("2","4","1","6","4","5","1") = "5"
    & skf18("2","4","1","6","4","6","1") = "5"
    & skf18("2","4","1","6","4","7","1") = "6"
    & skf18("2","4","1","6","4","8","1") = "7"
    & skf18("2","4","1","6","4","9","1") = "8"
    & skf18("2","4","1","6","4","10","1") = "9"
    & skf18("2","4","1","6","5","1","1") = "5"
    & skf18("2","4","1","6","5","2","1") = "5"
    & skf18("2","4","1","6","5","3","1") = "5"
    & skf18("2","4","1","6","5","4","1") = "5"
    & skf18("2","4","1","6","5","5","1") = "5"
    & skf18("2","4","1","6","5","6","1") = "5"
    & skf18("2","4","1","6","5","7","1") = "6"
    & skf18("2","4","1","6","5","8","1") = "7"
    & skf18("2","4","1","6","5","9","1") = "8"
    & skf18("2","4","1","6","5","10","1") = "9"
    & skf18("2","4","1","6","6","1","1") = "5"
    & skf18("2","4","1","6","6","2","1") = "5"
    & skf18("2","4","1","6","6","3","1") = "5"
    & skf18("2","4","1","6","6","4","1") = "5"
    & skf18("2","4","1","6","6","5","1") = "5"
    & skf18("2","4","1","6","6","6","1") = "5"
    & skf18("2","4","1","6","6","7","1") = "6"
    & skf18("2","4","1","6","6","8","1") = "7"
    & skf18("2","4","1","6","6","9","1") = "8"
    & skf18("2","4","1","6","6","10","1") = "9"
    & skf18("2","4","1","6","7","1","1") = "6"
    & skf18("2","4","1","6","7","2","1") = "6"
    & skf18("2","4","1","6","7","3","1") = "6"
    & skf18("2","4","1","6","7","4","1") = "6"
    & skf18("2","4","1","6","7","5","1") = "6"
    & skf18("2","4","1","6","7","6","1") = "6"
    & skf18("2","4","1","6","7","7","1") = "6"
    & skf18("2","4","1","6","7","8","1") = "7"
    & skf18("2","4","1","6","7","9","1") = "8"
    & skf18("2","4","1","6","7","10","1") = "9"
    & skf18("2","4","1","6","8","1","1") = "7"
    & skf18("2","4","1","6","8","2","1") = "7"
    & skf18("2","4","1","6","8","3","1") = "7"
    & skf18("2","4","1","6","8","4","1") = "7"
    & skf18("2","4","1","6","8","5","1") = "7"
    & skf18("2","4","1","6","8","6","1") = "7"
    & skf18("2","4","1","6","8","7","1") = "7"
    & skf18("2","4","1","6","8","8","1") = "7"
    & skf18("2","4","1","6","8","9","1") = "8"
    & skf18("2","4","1","6","8","10","1") = "9"
    & skf18("2","4","1","6","9","1","1") = "8"
    & skf18("2","4","1","6","9","2","1") = "8"
    & skf18("2","4","1","6","9","3","1") = "8"
    & skf18("2","4","1","6","9","4","1") = "8"
    & skf18("2","4","1","6","9","5","1") = "8"
    & skf18("2","4","1","6","9","6","1") = "8"
    & skf18("2","4","1","6","9","7","1") = "8"
    & skf18("2","4","1","6","9","8","1") = "8"
    & skf18("2","4","1","6","9","9","1") = "8"
    & skf18("2","4","1","6","9","10","1") = "9"
    & skf18("2","4","1","6","10","1","1") = "9"
    & skf18("2","4","1","6","10","2","1") = "9"
    & skf18("2","4","1","6","10","3","1") = "9"
    & skf18("2","4","1","6","10","4","1") = "9"
    & skf18("2","4","1","6","10","5","1") = "9"
    & skf18("2","4","1","6","10","6","1") = "9"
    & skf18("2","4","1","6","10","7","1") = "9"
    & skf18("2","4","1","6","10","8","1") = "9"
    & skf18("2","4","1","6","10","9","1") = "9"
    & skf18("2","4","1","6","10","10","1") = "9"
    & skf18("2","4","1","7","1","1","1") = "6"
    & skf18("2","4","1","7","1","2","1") = "6"
    & skf18("2","4","1","7","1","3","1") = "6"
    & skf18("2","4","1","7","1","4","1") = "6"
    & skf18("2","4","1","7","1","5","1") = "6"
    & skf18("2","4","1","7","1","6","1") = "6"
    & skf18("2","4","1","7","1","7","1") = "6"
    & skf18("2","4","1","7","1","8","1") = "7"
    & skf18("2","4","1","7","1","9","1") = "8"
    & skf18("2","4","1","7","1","10","1") = "9"
    & skf18("2","4","1","7","2","1","1") = "6"
    & skf18("2","4","1","7","2","2","1") = "6"
    & skf18("2","4","1","7","2","3","1") = "6"
    & skf18("2","4","1","7","2","4","1") = "6"
    & skf18("2","4","1","7","2","5","1") = "6"
    & skf18("2","4","1","7","2","6","1") = "6"
    & skf18("2","4","1","7","2","7","1") = "6"
    & skf18("2","4","1","7","2","8","1") = "7"
    & skf18("2","4","1","7","2","9","1") = "8"
    & skf18("2","4","1","7","2","10","1") = "9"
    & skf18("2","4","1","7","3","1","1") = "6"
    & skf18("2","4","1","7","3","2","1") = "6"
    & skf18("2","4","1","7","3","3","1") = "6"
    & skf18("2","4","1","7","3","4","1") = "6"
    & skf18("2","4","1","7","3","5","1") = "6"
    & skf18("2","4","1","7","3","6","1") = "6"
    & skf18("2","4","1","7","3","7","1") = "6"
    & skf18("2","4","1","7","3","8","1") = "7"
    & skf18("2","4","1","7","3","9","1") = "8"
    & skf18("2","4","1","7","3","10","1") = "9"
    & skf18("2","4","1","7","4","1","1") = "6"
    & skf18("2","4","1","7","4","2","1") = "6"
    & skf18("2","4","1","7","4","3","1") = "6"
    & skf18("2","4","1","7","4","4","1") = "6"
    & skf18("2","4","1","7","4","5","1") = "6"
    & skf18("2","4","1","7","4","6","1") = "6"
    & skf18("2","4","1","7","4","7","1") = "6"
    & skf18("2","4","1","7","4","8","1") = "7"
    & skf18("2","4","1","7","4","9","1") = "8"
    & skf18("2","4","1","7","4","10","1") = "9"
    & skf18("2","4","1","7","5","1","1") = "6"
    & skf18("2","4","1","7","5","2","1") = "6"
    & skf18("2","4","1","7","5","3","1") = "6"
    & skf18("2","4","1","7","5","4","1") = "6"
    & skf18("2","4","1","7","5","5","1") = "6"
    & skf18("2","4","1","7","5","6","1") = "6"
    & skf18("2","4","1","7","5","7","1") = "6"
    & skf18("2","4","1","7","5","8","1") = "7"
    & skf18("2","4","1","7","5","9","1") = "8"
    & skf18("2","4","1","7","5","10","1") = "9"
    & skf18("2","4","1","7","6","1","1") = "6"
    & skf18("2","4","1","7","6","2","1") = "6"
    & skf18("2","4","1","7","6","3","1") = "6"
    & skf18("2","4","1","7","6","4","1") = "6"
    & skf18("2","4","1","7","6","5","1") = "6"
    & skf18("2","4","1","7","6","6","1") = "6"
    & skf18("2","4","1","7","6","7","1") = "6"
    & skf18("2","4","1","7","6","8","1") = "7"
    & skf18("2","4","1","7","6","9","1") = "8"
    & skf18("2","4","1","7","6","10","1") = "9"
    & skf18("2","4","1","7","7","1","1") = "6"
    & skf18("2","4","1","7","7","2","1") = "6"
    & skf18("2","4","1","7","7","3","1") = "6"
    & skf18("2","4","1","7","7","4","1") = "6"
    & skf18("2","4","1","7","7","5","1") = "6"
    & skf18("2","4","1","7","7","6","1") = "6"
    & skf18("2","4","1","7","7","7","1") = "6"
    & skf18("2","4","1","7","7","8","1") = "7"
    & skf18("2","4","1","7","7","9","1") = "8"
    & skf18("2","4","1","7","7","10","1") = "9"
    & skf18("2","4","1","7","8","1","1") = "7"
    & skf18("2","4","1","7","8","2","1") = "7"
    & skf18("2","4","1","7","8","3","1") = "7"
    & skf18("2","4","1","7","8","4","1") = "7"
    & skf18("2","4","1","7","8","5","1") = "7"
    & skf18("2","4","1","7","8","6","1") = "7"
    & skf18("2","4","1","7","8","7","1") = "7"
    & skf18("2","4","1","7","8","8","1") = "7"
    & skf18("2","4","1","7","8","9","1") = "8"
    & skf18("2","4","1","7","8","10","1") = "9"
    & skf18("2","4","1","7","9","1","1") = "8"
    & skf18("2","4","1","7","9","2","1") = "8"
    & skf18("2","4","1","7","9","3","1") = "8"
    & skf18("2","4","1","7","9","4","1") = "8"
    & skf18("2","4","1","7","9","5","1") = "8"
    & skf18("2","4","1","7","9","6","1") = "8"
    & skf18("2","4","1","7","9","7","1") = "8"
    & skf18("2","4","1","7","9","8","1") = "8"
    & skf18("2","4","1","7","9","9","1") = "8"
    & skf18("2","4","1","7","9","10","1") = "9"
    & skf18("2","4","1","7","10","1","1") = "9"
    & skf18("2","4","1","7","10","2","1") = "9"
    & skf18("2","4","1","7","10","3","1") = "9"
    & skf18("2","4","1","7","10","4","1") = "9"
    & skf18("2","4","1","7","10","5","1") = "9"
    & skf18("2","4","1","7","10","6","1") = "9"
    & skf18("2","4","1","7","10","7","1") = "9"
    & skf18("2","4","1","7","10","8","1") = "9"
    & skf18("2","4","1","7","10","9","1") = "9"
    & skf18("2","4","1","7","10","10","1") = "9"
    & skf18("2","4","1","8","1","1","1") = "7"
    & skf18("2","4","1","8","1","2","1") = "7"
    & skf18("2","4","1","8","1","3","1") = "7"
    & skf18("2","4","1","8","1","4","1") = "7"
    & skf18("2","4","1","8","1","5","1") = "7"
    & skf18("2","4","1","8","1","6","1") = "7"
    & skf18("2","4","1","8","1","7","1") = "7"
    & skf18("2","4","1","8","1","8","1") = "7"
    & skf18("2","4","1","8","1","9","1") = "8"
    & skf18("2","4","1","8","1","10","1") = "9"
    & skf18("2","4","1","8","2","1","1") = "7"
    & skf18("2","4","1","8","2","2","1") = "7"
    & skf18("2","4","1","8","2","3","1") = "7"
    & skf18("2","4","1","8","2","4","1") = "7"
    & skf18("2","4","1","8","2","5","1") = "7"
    & skf18("2","4","1","8","2","6","1") = "7"
    & skf18("2","4","1","8","2","7","1") = "7"
    & skf18("2","4","1","8","2","8","1") = "7"
    & skf18("2","4","1","8","2","9","1") = "8"
    & skf18("2","4","1","8","2","10","1") = "9"
    & skf18("2","4","1","8","3","1","1") = "7"
    & skf18("2","4","1","8","3","2","1") = "7"
    & skf18("2","4","1","8","3","3","1") = "7"
    & skf18("2","4","1","8","3","4","1") = "7"
    & skf18("2","4","1","8","3","5","1") = "7"
    & skf18("2","4","1","8","3","6","1") = "7"
    & skf18("2","4","1","8","3","7","1") = "7"
    & skf18("2","4","1","8","3","8","1") = "7"
    & skf18("2","4","1","8","3","9","1") = "8"
    & skf18("2","4","1","8","3","10","1") = "9"
    & skf18("2","4","1","8","4","1","1") = "7"
    & skf18("2","4","1","8","4","2","1") = "7"
    & skf18("2","4","1","8","4","3","1") = "7"
    & skf18("2","4","1","8","4","4","1") = "7"
    & skf18("2","4","1","8","4","5","1") = "7"
    & skf18("2","4","1","8","4","6","1") = "7"
    & skf18("2","4","1","8","4","7","1") = "7"
    & skf18("2","4","1","8","4","8","1") = "7"
    & skf18("2","4","1","8","4","9","1") = "8"
    & skf18("2","4","1","8","4","10","1") = "9"
    & skf18("2","4","1","8","5","1","1") = "7"
    & skf18("2","4","1","8","5","2","1") = "7"
    & skf18("2","4","1","8","5","3","1") = "7"
    & skf18("2","4","1","8","5","4","1") = "7"
    & skf18("2","4","1","8","5","5","1") = "7"
    & skf18("2","4","1","8","5","6","1") = "7"
    & skf18("2","4","1","8","5","7","1") = "7"
    & skf18("2","4","1","8","5","8","1") = "7"
    & skf18("2","4","1","8","5","9","1") = "8"
    & skf18("2","4","1","8","5","10","1") = "9"
    & skf18("2","4","1","8","6","1","1") = "7"
    & skf18("2","4","1","8","6","2","1") = "7"
    & skf18("2","4","1","8","6","3","1") = "7"
    & skf18("2","4","1","8","6","4","1") = "7"
    & skf18("2","4","1","8","6","5","1") = "7"
    & skf18("2","4","1","8","6","6","1") = "7"
    & skf18("2","4","1","8","6","7","1") = "7"
    & skf18("2","4","1","8","6","8","1") = "7"
    & skf18("2","4","1","8","6","9","1") = "8"
    & skf18("2","4","1","8","6","10","1") = "9"
    & skf18("2","4","1","8","7","1","1") = "7"
    & skf18("2","4","1","8","7","2","1") = "7"
    & skf18("2","4","1","8","7","3","1") = "7"
    & skf18("2","4","1","8","7","4","1") = "7"
    & skf18("2","4","1","8","7","5","1") = "7"
    & skf18("2","4","1","8","7","6","1") = "7"
    & skf18("2","4","1","8","7","7","1") = "7"
    & skf18("2","4","1","8","7","8","1") = "7"
    & skf18("2","4","1","8","7","9","1") = "8"
    & skf18("2","4","1","8","7","10","1") = "9"
    & skf18("2","4","1","8","8","1","1") = "7"
    & skf18("2","4","1","8","8","2","1") = "7"
    & skf18("2","4","1","8","8","3","1") = "7"
    & skf18("2","4","1","8","8","4","1") = "7"
    & skf18("2","4","1","8","8","5","1") = "7"
    & skf18("2","4","1","8","8","6","1") = "7"
    & skf18("2","4","1","8","8","7","1") = "7"
    & skf18("2","4","1","8","8","8","1") = "7"
    & skf18("2","4","1","8","8","9","1") = "8"
    & skf18("2","4","1","8","8","10","1") = "9"
    & skf18("2","4","1","8","9","1","1") = "8"
    & skf18("2","4","1","8","9","2","1") = "8"
    & skf18("2","4","1","8","9","3","1") = "8"
    & skf18("2","4","1","8","9","4","1") = "8"
    & skf18("2","4","1","8","9","5","1") = "8"
    & skf18("2","4","1","8","9","6","1") = "8"
    & skf18("2","4","1","8","9","7","1") = "8"
    & skf18("2","4","1","8","9","8","1") = "8"
    & skf18("2","4","1","8","9","9","1") = "8"
    & skf18("2","4","1","8","9","10","1") = "9"
    & skf18("2","4","1","8","10","1","1") = "9"
    & skf18("2","4","1","8","10","2","1") = "9"
    & skf18("2","4","1","8","10","3","1") = "9"
    & skf18("2","4","1","8","10","4","1") = "9"
    & skf18("2","4","1","8","10","5","1") = "9"
    & skf18("2","4","1","8","10","6","1") = "9"
    & skf18("2","4","1","8","10","7","1") = "9"
    & skf18("2","4","1","8","10","8","1") = "9"
    & skf18("2","4","1","8","10","9","1") = "9"
    & skf18("2","4","1","8","10","10","1") = "9"
    & skf18("2","4","1","9","1","1","1") = "8"
    & skf18("2","4","1","9","1","2","1") = "8"
    & skf18("2","4","1","9","1","3","1") = "8"
    & skf18("2","4","1","9","1","4","1") = "8"
    & skf18("2","4","1","9","1","5","1") = "8"
    & skf18("2","4","1","9","1","6","1") = "8"
    & skf18("2","4","1","9","1","7","1") = "8"
    & skf18("2","4","1","9","1","8","1") = "8"
    & skf18("2","4","1","9","1","9","1") = "8"
    & skf18("2","4","1","9","1","10","1") = "9"
    & skf18("2","4","1","9","2","1","1") = "8"
    & skf18("2","4","1","9","2","2","1") = "8"
    & skf18("2","4","1","9","2","3","1") = "8"
    & skf18("2","4","1","9","2","4","1") = "8"
    & skf18("2","4","1","9","2","5","1") = "8"
    & skf18("2","4","1","9","2","6","1") = "8"
    & skf18("2","4","1","9","2","7","1") = "8"
    & skf18("2","4","1","9","2","8","1") = "8"
    & skf18("2","4","1","9","2","9","1") = "8"
    & skf18("2","4","1","9","2","10","1") = "9"
    & skf18("2","4","1","9","3","1","1") = "8"
    & skf18("2","4","1","9","3","2","1") = "8"
    & skf18("2","4","1","9","3","3","1") = "8"
    & skf18("2","4","1","9","3","4","1") = "8"
    & skf18("2","4","1","9","3","5","1") = "8"
    & skf18("2","4","1","9","3","6","1") = "8"
    & skf18("2","4","1","9","3","7","1") = "8"
    & skf18("2","4","1","9","3","8","1") = "8"
    & skf18("2","4","1","9","3","9","1") = "8"
    & skf18("2","4","1","9","3","10","1") = "9"
    & skf18("2","4","1","9","4","1","1") = "8"
    & skf18("2","4","1","9","4","2","1") = "8"
    & skf18("2","4","1","9","4","3","1") = "8"
    & skf18("2","4","1","9","4","4","1") = "8"
    & skf18("2","4","1","9","4","5","1") = "8"
    & skf18("2","4","1","9","4","6","1") = "8"
    & skf18("2","4","1","9","4","7","1") = "8"
    & skf18("2","4","1","9","4","8","1") = "8"
    & skf18("2","4","1","9","4","9","1") = "8"
    & skf18("2","4","1","9","4","10","1") = "9"
    & skf18("2","4","1","9","5","1","1") = "8"
    & skf18("2","4","1","9","5","2","1") = "8"
    & skf18("2","4","1","9","5","3","1") = "8"
    & skf18("2","4","1","9","5","4","1") = "8"
    & skf18("2","4","1","9","5","5","1") = "8"
    & skf18("2","4","1","9","5","6","1") = "8"
    & skf18("2","4","1","9","5","7","1") = "8"
    & skf18("2","4","1","9","5","8","1") = "8"
    & skf18("2","4","1","9","5","9","1") = "8"
    & skf18("2","4","1","9","5","10","1") = "9"
    & skf18("2","4","1","9","6","1","1") = "8"
    & skf18("2","4","1","9","6","2","1") = "8"
    & skf18("2","4","1","9","6","3","1") = "8"
    & skf18("2","4","1","9","6","4","1") = "8"
    & skf18("2","4","1","9","6","5","1") = "8"
    & skf18("2","4","1","9","6","6","1") = "8"
    & skf18("2","4","1","9","6","7","1") = "8"
    & skf18("2","4","1","9","6","8","1") = "8"
    & skf18("2","4","1","9","6","9","1") = "8"
    & skf18("2","4","1","9","6","10","1") = "9"
    & skf18("2","4","1","9","7","1","1") = "8"
    & skf18("2","4","1","9","7","2","1") = "8"
    & skf18("2","4","1","9","7","3","1") = "8"
    & skf18("2","4","1","9","7","4","1") = "8"
    & skf18("2","4","1","9","7","5","1") = "8"
    & skf18("2","4","1","9","7","6","1") = "8"
    & skf18("2","4","1","9","7","7","1") = "8"
    & skf18("2","4","1","9","7","8","1") = "8"
    & skf18("2","4","1","9","7","9","1") = "8"
    & skf18("2","4","1","9","7","10","1") = "9"
    & skf18("2","4","1","9","8","1","1") = "8"
    & skf18("2","4","1","9","8","2","1") = "8"
    & skf18("2","4","1","9","8","3","1") = "8"
    & skf18("2","4","1","9","8","4","1") = "8"
    & skf18("2","4","1","9","8","5","1") = "8"
    & skf18("2","4","1","9","8","6","1") = "8"
    & skf18("2","4","1","9","8","7","1") = "8"
    & skf18("2","4","1","9","8","8","1") = "8"
    & skf18("2","4","1","9","8","9","1") = "8"
    & skf18("2","4","1","9","8","10","1") = "9"
    & skf18("2","4","1","9","9","1","1") = "8"
    & skf18("2","4","1","9","9","2","1") = "8"
    & skf18("2","4","1","9","9","3","1") = "8"
    & skf18("2","4","1","9","9","4","1") = "8"
    & skf18("2","4","1","9","9","5","1") = "8"
    & skf18("2","4","1","9","9","6","1") = "8"
    & skf18("2","4","1","9","9","7","1") = "8"
    & skf18("2","4","1","9","9","8","1") = "8"
    & skf18("2","4","1","9","9","9","1") = "8"
    & skf18("2","4","1","9","9","10","1") = "9"
    & skf18("2","4","1","9","10","1","1") = "9"
    & skf18("2","4","1","9","10","2","1") = "9"
    & skf18("2","4","1","9","10","3","1") = "9"
    & skf18("2","4","1","9","10","4","1") = "9"
    & skf18("2","4","1","9","10","5","1") = "9"
    & skf18("2","4","1","9","10","6","1") = "9"
    & skf18("2","4","1","9","10","7","1") = "9"
    & skf18("2","4","1","9","10","8","1") = "9"
    & skf18("2","4","1","9","10","9","1") = "9"
    & skf18("2","4","1","9","10","10","1") = "9"
    & skf18("2","4","1","10","1","1","1") = "9"
    & skf18("2","4","1","10","1","2","1") = "9"
    & skf18("2","4","1","10","1","3","1") = "9"
    & skf18("2","4","1","10","1","4","1") = "9"
    & skf18("2","4","1","10","1","5","1") = "9"
    & skf18("2","4","1","10","1","6","1") = "9"
    & skf18("2","4","1","10","1","7","1") = "9"
    & skf18("2","4","1","10","1","8","1") = "9"
    & skf18("2","4","1","10","1","9","1") = "9"
    & skf18("2","4","1","10","1","10","1") = "9"
    & skf18("2","4","1","10","2","1","1") = "9"
    & skf18("2","4","1","10","2","2","1") = "9"
    & skf18("2","4","1","10","2","3","1") = "9"
    & skf18("2","4","1","10","2","4","1") = "9"
    & skf18("2","4","1","10","2","5","1") = "9"
    & skf18("2","4","1","10","2","6","1") = "9"
    & skf18("2","4","1","10","2","7","1") = "9"
    & skf18("2","4","1","10","2","8","1") = "9"
    & skf18("2","4","1","10","2","9","1") = "9"
    & skf18("2","4","1","10","2","10","1") = "9"
    & skf18("2","4","1","10","3","1","1") = "9"
    & skf18("2","4","1","10","3","2","1") = "9"
    & skf18("2","4","1","10","3","3","1") = "9"
    & skf18("2","4","1","10","3","4","1") = "9"
    & skf18("2","4","1","10","3","5","1") = "9"
    & skf18("2","4","1","10","3","6","1") = "9"
    & skf18("2","4","1","10","3","7","1") = "9"
    & skf18("2","4","1","10","3","8","1") = "9"
    & skf18("2","4","1","10","3","9","1") = "9"
    & skf18("2","4","1","10","3","10","1") = "9"
    & skf18("2","4","1","10","4","1","1") = "9"
    & skf18("2","4","1","10","4","2","1") = "9"
    & skf18("2","4","1","10","4","3","1") = "9"
    & skf18("2","4","1","10","4","4","1") = "9"
    & skf18("2","4","1","10","4","5","1") = "9"
    & skf18("2","4","1","10","4","6","1") = "9"
    & skf18("2","4","1","10","4","7","1") = "9"
    & skf18("2","4","1","10","4","8","1") = "9"
    & skf18("2","4","1","10","4","9","1") = "9"
    & skf18("2","4","1","10","4","10","1") = "9"
    & skf18("2","4","1","10","5","1","1") = "9"
    & skf18("2","4","1","10","5","2","1") = "9"
    & skf18("2","4","1","10","5","3","1") = "9"
    & skf18("2","4","1","10","5","4","1") = "9"
    & skf18("2","4","1","10","5","5","1") = "9"
    & skf18("2","4","1","10","5","6","1") = "9"
    & skf18("2","4","1","10","5","7","1") = "9"
    & skf18("2","4","1","10","5","8","1") = "9"
    & skf18("2","4","1","10","5","9","1") = "9"
    & skf18("2","4","1","10","5","10","1") = "9"
    & skf18("2","4","1","10","6","1","1") = "9"
    & skf18("2","4","1","10","6","2","1") = "9"
    & skf18("2","4","1","10","6","3","1") = "9"
    & skf18("2","4","1","10","6","4","1") = "9"
    & skf18("2","4","1","10","6","5","1") = "9"
    & skf18("2","4","1","10","6","6","1") = "9"
    & skf18("2","4","1","10","6","7","1") = "9"
    & skf18("2","4","1","10","6","8","1") = "9"
    & skf18("2","4","1","10","6","9","1") = "9"
    & skf18("2","4","1","10","6","10","1") = "9"
    & skf18("2","4","1","10","7","1","1") = "9"
    & skf18("2","4","1","10","7","2","1") = "9"
    & skf18("2","4","1","10","7","3","1") = "9"
    & skf18("2","4","1","10","7","4","1") = "9"
    & skf18("2","4","1","10","7","5","1") = "9"
    & skf18("2","4","1","10","7","6","1") = "9"
    & skf18("2","4","1","10","7","7","1") = "9"
    & skf18("2","4","1","10","7","8","1") = "9"
    & skf18("2","4","1","10","7","9","1") = "9"
    & skf18("2","4","1","10","7","10","1") = "9"
    & skf18("2","4","1","10","8","1","1") = "9"
    & skf18("2","4","1","10","8","2","1") = "9"
    & skf18("2","4","1","10","8","3","1") = "9"
    & skf18("2","4","1","10","8","4","1") = "9"
    & skf18("2","4","1","10","8","5","1") = "9"
    & skf18("2","4","1","10","8","6","1") = "9"
    & skf18("2","4","1","10","8","7","1") = "9"
    & skf18("2","4","1","10","8","8","1") = "9"
    & skf18("2","4","1","10","8","9","1") = "9"
    & skf18("2","4","1","10","8","10","1") = "9"
    & skf18("2","4","1","10","9","1","1") = "9"
    & skf18("2","4","1","10","9","2","1") = "9"
    & skf18("2","4","1","10","9","3","1") = "9"
    & skf18("2","4","1","10","9","4","1") = "9"
    & skf18("2","4","1","10","9","5","1") = "9"
    & skf18("2","4","1","10","9","6","1") = "9"
    & skf18("2","4","1","10","9","7","1") = "9"
    & skf18("2","4","1","10","9","8","1") = "9"
    & skf18("2","4","1","10","9","9","1") = "9"
    & skf18("2","4","1","10","9","10","1") = "9"
    & skf18("2","4","1","10","10","1","1") = "9"
    & skf18("2","4","1","10","10","2","1") = "9"
    & skf18("2","4","1","10","10","3","1") = "9"
    & skf18("2","4","1","10","10","4","1") = "9"
    & skf18("2","4","1","10","10","5","1") = "9"
    & skf18("2","4","1","10","10","6","1") = "9"
    & skf18("2","4","1","10","10","7","1") = "9"
    & skf18("2","4","1","10","10","8","1") = "9"
    & skf18("2","4","1","10","10","9","1") = "9"
    & skf18("2","4","1","10","10","10","1") = "9"
    & skf18("2","4","2","1","1","1","1") = "3"
    & skf18("2","4","2","1","1","2","1") = "3"
    & skf18("2","4","2","1","1","3","1") = "3"
    & skf18("2","4","2","1","1","4","1") = "3"
    & skf18("2","4","2","1","1","5","1") = "4"
    & skf18("2","4","2","1","1","6","1") = "5"
    & skf18("2","4","2","1","1","7","1") = "6"
    & skf18("2","4","2","1","1","8","1") = "7"
    & skf18("2","4","2","1","1","9","1") = "8"
    & skf18("2","4","2","1","1","10","1") = "9"
    & skf18("2","4","2","1","2","1","1") = "3"
    & skf18("2","4","2","1","2","2","1") = "3"
    & skf18("2","4","2","1","2","3","1") = "3"
    & skf18("2","4","2","1","2","4","1") = "3"
    & skf18("2","4","2","1","2","5","1") = "4"
    & skf18("2","4","2","1","2","6","1") = "5"
    & skf18("2","4","2","1","2","7","1") = "6"
    & skf18("2","4","2","1","2","8","1") = "7"
    & skf18("2","4","2","1","2","9","1") = "8"
    & skf18("2","4","2","1","2","10","1") = "9"
    & skf18("2","4","2","1","3","1","1") = "3"
    & skf18("2","4","2","1","3","2","1") = "3"
    & skf18("2","4","2","1","3","3","1") = "3"
    & skf18("2","4","2","1","3","4","1") = "3"
    & skf18("2","4","2","1","3","5","1") = "4"
    & skf18("2","4","2","1","3","6","1") = "5"
    & skf18("2","4","2","1","3","7","1") = "6"
    & skf18("2","4","2","1","3","8","1") = "7"
    & skf18("2","4","2","1","3","9","1") = "8"
    & skf18("2","4","2","1","3","10","1") = "9"
    & skf18("2","4","2","1","4","1","1") = "3"
    & skf18("2","4","2","1","4","2","1") = "3"
    & skf18("2","4","2","1","4","3","1") = "3"
    & skf18("2","4","2","1","4","4","1") = "3"
    & skf18("2","4","2","1","4","5","1") = "4"
    & skf18("2","4","2","1","4","6","1") = "5"
    & skf18("2","4","2","1","4","7","1") = "6"
    & skf18("2","4","2","1","4","8","1") = "7"
    & skf18("2","4","2","1","4","9","1") = "8"
    & skf18("2","4","2","1","4","10","1") = "9"
    & skf18("2","4","2","1","5","1","1") = "4"
    & skf18("2","4","2","1","5","2","1") = "4"
    & skf18("2","4","2","1","5","3","1") = "4"
    & skf18("2","4","2","1","5","4","1") = "4"
    & skf18("2","4","2","1","5","5","1") = "4"
    & skf18("2","4","2","1","5","6","1") = "5"
    & skf18("2","4","2","1","5","7","1") = "6"
    & skf18("2","4","2","1","5","8","1") = "7"
    & skf18("2","4","2","1","5","9","1") = "8"
    & skf18("2","4","2","1","5","10","1") = "9"
    & skf18("2","4","2","1","6","1","1") = "5"
    & skf18("2","4","2","1","6","2","1") = "5"
    & skf18("2","4","2","1","6","3","1") = "5"
    & skf18("2","4","2","1","6","4","1") = "5"
    & skf18("2","4","2","1","6","5","1") = "5"
    & skf18("2","4","2","1","6","6","1") = "5"
    & skf18("2","4","2","1","6","7","1") = "6"
    & skf18("2","4","2","1","6","8","1") = "7"
    & skf18("2","4","2","1","6","9","1") = "8"
    & skf18("2","4","2","1","6","10","1") = "9"
    & skf18("2","4","2","1","7","1","1") = "6"
    & skf18("2","4","2","1","7","2","1") = "6"
    & skf18("2","4","2","1","7","3","1") = "6"
    & skf18("2","4","2","1","7","4","1") = "6"
    & skf18("2","4","2","1","7","5","1") = "6"
    & skf18("2","4","2","1","7","6","1") = "6"
    & skf18("2","4","2","1","7","7","1") = "6"
    & skf18("2","4","2","1","7","8","1") = "7"
    & skf18("2","4","2","1","7","9","1") = "8"
    & skf18("2","4","2","1","7","10","1") = "9"
    & skf18("2","4","2","1","8","1","1") = "7"
    & skf18("2","4","2","1","8","2","1") = "7"
    & skf18("2","4","2","1","8","3","1") = "7"
    & skf18("2","4","2","1","8","4","1") = "7"
    & skf18("2","4","2","1","8","5","1") = "7"
    & skf18("2","4","2","1","8","6","1") = "7"
    & skf18("2","4","2","1","8","7","1") = "7"
    & skf18("2","4","2","1","8","8","1") = "7"
    & skf18("2","4","2","1","8","9","1") = "8"
    & skf18("2","4","2","1","8","10","1") = "9"
    & skf18("2","4","2","1","9","1","1") = "8"
    & skf18("2","4","2","1","9","2","1") = "8"
    & skf18("2","4","2","1","9","3","1") = "8"
    & skf18("2","4","2","1","9","4","1") = "8"
    & skf18("2","4","2","1","9","5","1") = "8"
    & skf18("2","4","2","1","9","6","1") = "8"
    & skf18("2","4","2","1","9","7","1") = "8"
    & skf18("2","4","2","1","9","8","1") = "8"
    & skf18("2","4","2","1","9","9","1") = "8"
    & skf18("2","4","2","1","9","10","1") = "9"
    & skf18("2","4","2","1","10","1","1") = "9"
    & skf18("2","4","2","1","10","2","1") = "9"
    & skf18("2","4","2","1","10","3","1") = "9"
    & skf18("2","4","2","1","10","4","1") = "9"
    & skf18("2","4","2","1","10","5","1") = "9"
    & skf18("2","4","2","1","10","6","1") = "9"
    & skf18("2","4","2","1","10","7","1") = "9"
    & skf18("2","4","2","1","10","8","1") = "9"
    & skf18("2","4","2","1","10","9","1") = "9"
    & skf18("2","4","2","1","10","10","1") = "9"
    & skf18("2","4","2","2","1","1","1") = "3"
    & skf18("2","4","2","2","1","2","1") = "3"
    & skf18("2","4","2","2","1","3","1") = "3"
    & skf18("2","4","2","2","1","4","1") = "3"
    & skf18("2","4","2","2","1","5","1") = "4"
    & skf18("2","4","2","2","1","6","1") = "5"
    & skf18("2","4","2","2","1","7","1") = "6"
    & skf18("2","4","2","2","1","8","1") = "7"
    & skf18("2","4","2","2","1","9","1") = "8"
    & skf18("2","4","2","2","1","10","1") = "9"
    & skf18("2","4","2","2","2","1","1") = "3"
    & skf18("2","4","2","2","2","2","1") = "3"
    & skf18("2","4","2","2","2","3","1") = "3"
    & skf18("2","4","2","2","2","4","1") = "3"
    & skf18("2","4","2","2","2","5","1") = "4"
    & skf18("2","4","2","2","2","6","1") = "5"
    & skf18("2","4","2","2","2","7","1") = "6"
    & skf18("2","4","2","2","2","8","1") = "7"
    & skf18("2","4","2","2","2","9","1") = "8"
    & skf18("2","4","2","2","2","10","1") = "9"
    & skf18("2","4","2","2","3","1","1") = "3"
    & skf18("2","4","2","2","3","2","1") = "3"
    & skf18("2","4","2","2","3","3","1") = "3"
    & skf18("2","4","2","2","3","4","1") = "3"
    & skf18("2","4","2","2","3","5","1") = "4"
    & skf18("2","4","2","2","3","6","1") = "5"
    & skf18("2","4","2","2","3","7","1") = "6"
    & skf18("2","4","2","2","3","8","1") = "7"
    & skf18("2","4","2","2","3","9","1") = "8"
    & skf18("2","4","2","2","3","10","1") = "9"
    & skf18("2","4","2","2","4","1","1") = "3"
    & skf18("2","4","2","2","4","2","1") = "3"
    & skf18("2","4","2","2","4","3","1") = "3"
    & skf18("2","4","2","2","4","4","1") = "3"
    & skf18("2","4","2","2","4","5","1") = "4"
    & skf18("2","4","2","2","4","6","1") = "5"
    & skf18("2","4","2","2","4","7","1") = "6"
    & skf18("2","4","2","2","4","8","1") = "7"
    & skf18("2","4","2","2","4","9","1") = "8"
    & skf18("2","4","2","2","4","10","1") = "9"
    & skf18("2","4","2","2","5","1","1") = "4"
    & skf18("2","4","2","2","5","2","1") = "4"
    & skf18("2","4","2","2","5","3","1") = "4"
    & skf18("2","4","2","2","5","4","1") = "4"
    & skf18("2","4","2","2","5","5","1") = "4"
    & skf18("2","4","2","2","5","6","1") = "5"
    & skf18("2","4","2","2","5","7","1") = "6"
    & skf18("2","4","2","2","5","8","1") = "7"
    & skf18("2","4","2","2","5","9","1") = "8"
    & skf18("2","4","2","2","5","10","1") = "9"
    & skf18("2","4","2","2","6","1","1") = "5"
    & skf18("2","4","2","2","6","2","1") = "5"
    & skf18("2","4","2","2","6","3","1") = "5"
    & skf18("2","4","2","2","6","4","1") = "5"
    & skf18("2","4","2","2","6","5","1") = "5"
    & skf18("2","4","2","2","6","6","1") = "5"
    & skf18("2","4","2","2","6","7","1") = "6"
    & skf18("2","4","2","2","6","8","1") = "7"
    & skf18("2","4","2","2","6","9","1") = "8"
    & skf18("2","4","2","2","6","10","1") = "9"
    & skf18("2","4","2","2","7","1","1") = "6"
    & skf18("2","4","2","2","7","2","1") = "6"
    & skf18("2","4","2","2","7","3","1") = "6"
    & skf18("2","4","2","2","7","4","1") = "6"
    & skf18("2","4","2","2","7","5","1") = "6"
    & skf18("2","4","2","2","7","6","1") = "6"
    & skf18("2","4","2","2","7","7","1") = "6"
    & skf18("2","4","2","2","7","8","1") = "7"
    & skf18("2","4","2","2","7","9","1") = "8"
    & skf18("2","4","2","2","7","10","1") = "9"
    & skf18("2","4","2","2","8","1","1") = "7"
    & skf18("2","4","2","2","8","2","1") = "7"
    & skf18("2","4","2","2","8","3","1") = "7"
    & skf18("2","4","2","2","8","4","1") = "7"
    & skf18("2","4","2","2","8","5","1") = "7"
    & skf18("2","4","2","2","8","6","1") = "7"
    & skf18("2","4","2","2","8","7","1") = "7"
    & skf18("2","4","2","2","8","8","1") = "7"
    & skf18("2","4","2","2","8","9","1") = "8"
    & skf18("2","4","2","2","8","10","1") = "9"
    & skf18("2","4","2","2","9","1","1") = "8"
    & skf18("2","4","2","2","9","2","1") = "8"
    & skf18("2","4","2","2","9","3","1") = "8"
    & skf18("2","4","2","2","9","4","1") = "8"
    & skf18("2","4","2","2","9","5","1") = "8"
    & skf18("2","4","2","2","9","6","1") = "8"
    & skf18("2","4","2","2","9","7","1") = "8"
    & skf18("2","4","2","2","9","8","1") = "8"
    & skf18("2","4","2","2","9","9","1") = "8"
    & skf18("2","4","2","2","9","10","1") = "9"
    & skf18("2","4","2","2","10","1","1") = "9"
    & skf18("2","4","2","2","10","2","1") = "9"
    & skf18("2","4","2","2","10","3","1") = "9"
    & skf18("2","4","2","2","10","4","1") = "9"
    & skf18("2","4","2","2","10","5","1") = "9"
    & skf18("2","4","2","2","10","6","1") = "9"
    & skf18("2","4","2","2","10","7","1") = "9"
    & skf18("2","4","2","2","10","8","1") = "9"
    & skf18("2","4","2","2","10","9","1") = "9"
    & skf18("2","4","2","2","10","10","1") = "9"
    & skf18("2","4","2","3","1","1","1") = "3"
    & skf18("2","4","2","3","1","2","1") = "3"
    & skf18("2","4","2","3","1","3","1") = "3"
    & skf18("2","4","2","3","1","4","1") = "3"
    & skf18("2","4","2","3","1","5","1") = "4"
    & skf18("2","4","2","3","1","6","1") = "5"
    & skf18("2","4","2","3","1","7","1") = "6"
    & skf18("2","4","2","3","1","8","1") = "7"
    & skf18("2","4","2","3","1","9","1") = "8"
    & skf18("2","4","2","3","1","10","1") = "9"
    & skf18("2","4","2","3","2","1","1") = "3"
    & skf18("2","4","2","3","2","2","1") = "3"
    & skf18("2","4","2","3","2","3","1") = "3"
    & skf18("2","4","2","3","2","4","1") = "3"
    & skf18("2","4","2","3","2","5","1") = "4"
    & skf18("2","4","2","3","2","6","1") = "5"
    & skf18("2","4","2","3","2","7","1") = "6"
    & skf18("2","4","2","3","2","8","1") = "7"
    & skf18("2","4","2","3","2","9","1") = "8"
    & skf18("2","4","2","3","2","10","1") = "9"
    & skf18("2","4","2","3","3","1","1") = "3"
    & skf18("2","4","2","3","3","2","1") = "3"
    & skf18("2","4","2","3","3","3","1") = "3"
    & skf18("2","4","2","3","3","4","1") = "3"
    & skf18("2","4","2","3","3","5","1") = "4"
    & skf18("2","4","2","3","3","6","1") = "5"
    & skf18("2","4","2","3","3","7","1") = "6"
    & skf18("2","4","2","3","3","8","1") = "7"
    & skf18("2","4","2","3","3","9","1") = "8"
    & skf18("2","4","2","3","3","10","1") = "9"
    & skf18("2","4","2","3","4","1","1") = "3"
    & skf18("2","4","2","3","4","2","1") = "3"
    & skf18("2","4","2","3","4","3","1") = "3"
    & skf18("2","4","2","3","4","4","1") = "3"
    & skf18("2","4","2","3","4","5","1") = "4"
    & skf18("2","4","2","3","4","6","1") = "5"
    & skf18("2","4","2","3","4","7","1") = "6"
    & skf18("2","4","2","3","4","8","1") = "7"
    & skf18("2","4","2","3","4","9","1") = "8"
    & skf18("2","4","2","3","4","10","1") = "9"
    & skf18("2","4","2","3","5","1","1") = "4"
    & skf18("2","4","2","3","5","2","1") = "4"
    & skf18("2","4","2","3","5","3","1") = "4"
    & skf18("2","4","2","3","5","4","1") = "4"
    & skf18("2","4","2","3","5","5","1") = "4"
    & skf18("2","4","2","3","5","6","1") = "5"
    & skf18("2","4","2","3","5","7","1") = "6"
    & skf18("2","4","2","3","5","8","1") = "7"
    & skf18("2","4","2","3","5","9","1") = "8"
    & skf18("2","4","2","3","5","10","1") = "9"
    & skf18("2","4","2","3","6","1","1") = "5"
    & skf18("2","4","2","3","6","2","1") = "5"
    & skf18("2","4","2","3","6","3","1") = "5"
    & skf18("2","4","2","3","6","4","1") = "5"
    & skf18("2","4","2","3","6","5","1") = "5"
    & skf18("2","4","2","3","6","6","1") = "5"
    & skf18("2","4","2","3","6","7","1") = "6"
    & skf18("2","4","2","3","6","8","1") = "7"
    & skf18("2","4","2","3","6","9","1") = "8"
    & skf18("2","4","2","3","6","10","1") = "9"
    & skf18("2","4","2","3","7","1","1") = "6"
    & skf18("2","4","2","3","7","2","1") = "6"
    & skf18("2","4","2","3","7","3","1") = "6"
    & skf18("2","4","2","3","7","4","1") = "6"
    & skf18("2","4","2","3","7","5","1") = "6"
    & skf18("2","4","2","3","7","6","1") = "6"
    & skf18("2","4","2","3","7","7","1") = "6"
    & skf18("2","4","2","3","7","8","1") = "7"
    & skf18("2","4","2","3","7","9","1") = "8"
    & skf18("2","4","2","3","7","10","1") = "9"
    & skf18("2","4","2","3","8","1","1") = "7"
    & skf18("2","4","2","3","8","2","1") = "7"
    & skf18("2","4","2","3","8","3","1") = "7"
    & skf18("2","4","2","3","8","4","1") = "7"
    & skf18("2","4","2","3","8","5","1") = "7"
    & skf18("2","4","2","3","8","6","1") = "7"
    & skf18("2","4","2","3","8","7","1") = "7"
    & skf18("2","4","2","3","8","8","1") = "7"
    & skf18("2","4","2","3","8","9","1") = "8"
    & skf18("2","4","2","3","8","10","1") = "9"
    & skf18("2","4","2","3","9","1","1") = "8"
    & skf18("2","4","2","3","9","2","1") = "8"
    & skf18("2","4","2","3","9","3","1") = "8"
    & skf18("2","4","2","3","9","4","1") = "8"
    & skf18("2","4","2","3","9","5","1") = "8"
    & skf18("2","4","2","3","9","6","1") = "8"
    & skf18("2","4","2","3","9","7","1") = "8"
    & skf18("2","4","2","3","9","8","1") = "8"
    & skf18("2","4","2","3","9","9","1") = "8"
    & skf18("2","4","2","3","9","10","1") = "9"
    & skf18("2","4","2","3","10","1","1") = "9"
    & skf18("2","4","2","3","10","2","1") = "9"
    & skf18("2","4","2","3","10","3","1") = "9"
    & skf18("2","4","2","3","10","4","1") = "9"
    & skf18("2","4","2","3","10","5","1") = "9"
    & skf18("2","4","2","3","10","6","1") = "9"
    & skf18("2","4","2","3","10","7","1") = "9"
    & skf18("2","4","2","3","10","8","1") = "9"
    & skf18("2","4","2","3","10","9","1") = "9"
    & skf18("2","4","2","3","10","10","1") = "9"
    & skf18("2","4","2","4","1","1","1") = "3"
    & skf18("2","4","2","4","1","2","1") = "3"
    & skf18("2","4","2","4","1","3","1") = "3"
    & skf18("2","4","2","4","1","4","1") = "3"
    & skf18("2","4","2","4","1","5","1") = "4"
    & skf18("2","4","2","4","1","6","1") = "5"
    & skf18("2","4","2","4","1","7","1") = "6"
    & skf18("2","4","2","4","1","8","1") = "7"
    & skf18("2","4","2","4","1","9","1") = "8"
    & skf18("2","4","2","4","1","10","1") = "9"
    & skf18("2","4","2","4","2","1","1") = "3"
    & skf18("2","4","2","4","2","2","1") = "3"
    & skf18("2","4","2","4","2","3","1") = "3"
    & skf18("2","4","2","4","2","4","1") = "3"
    & skf18("2","4","2","4","2","5","1") = "4"
    & skf18("2","4","2","4","2","6","1") = "5"
    & skf18("2","4","2","4","2","7","1") = "6"
    & skf18("2","4","2","4","2","8","1") = "7"
    & skf18("2","4","2","4","2","9","1") = "8"
    & skf18("2","4","2","4","2","10","1") = "9"
    & skf18("2","4","2","4","3","1","1") = "3"
    & skf18("2","4","2","4","3","2","1") = "3"
    & skf18("2","4","2","4","3","3","1") = "3"
    & skf18("2","4","2","4","3","4","1") = "3"
    & skf18("2","4","2","4","3","5","1") = "4"
    & skf18("2","4","2","4","3","6","1") = "5"
    & skf18("2","4","2","4","3","7","1") = "6"
    & skf18("2","4","2","4","3","8","1") = "7"
    & skf18("2","4","2","4","3","9","1") = "8"
    & skf18("2","4","2","4","3","10","1") = "9"
    & skf18("2","4","2","4","4","1","1") = "3"
    & skf18("2","4","2","4","4","2","1") = "3"
    & skf18("2","4","2","4","4","3","1") = "3"
    & skf18("2","4","2","4","4","4","1") = "3"
    & skf18("2","4","2","4","4","5","1") = "4"
    & skf18("2","4","2","4","4","6","1") = "5"
    & skf18("2","4","2","4","4","7","1") = "6"
    & skf18("2","4","2","4","4","8","1") = "7"
    & skf18("2","4","2","4","4","9","1") = "8"
    & skf18("2","4","2","4","4","10","1") = "9"
    & skf18("2","4","2","4","5","1","1") = "4"
    & skf18("2","4","2","4","5","2","1") = "4"
    & skf18("2","4","2","4","5","3","1") = "4"
    & skf18("2","4","2","4","5","4","1") = "4"
    & skf18("2","4","2","4","5","5","1") = "4"
    & skf18("2","4","2","4","5","6","1") = "5"
    & skf18("2","4","2","4","5","7","1") = "6"
    & skf18("2","4","2","4","5","8","1") = "7"
    & skf18("2","4","2","4","5","9","1") = "8"
    & skf18("2","4","2","4","5","10","1") = "9"
    & skf18("2","4","2","4","6","1","1") = "5"
    & skf18("2","4","2","4","6","2","1") = "5"
    & skf18("2","4","2","4","6","3","1") = "5"
    & skf18("2","4","2","4","6","4","1") = "5"
    & skf18("2","4","2","4","6","5","1") = "5"
    & skf18("2","4","2","4","6","6","1") = "5"
    & skf18("2","4","2","4","6","7","1") = "6"
    & skf18("2","4","2","4","6","8","1") = "7"
    & skf18("2","4","2","4","6","9","1") = "8"
    & skf18("2","4","2","4","6","10","1") = "9"
    & skf18("2","4","2","4","7","1","1") = "6"
    & skf18("2","4","2","4","7","2","1") = "6"
    & skf18("2","4","2","4","7","3","1") = "6"
    & skf18("2","4","2","4","7","4","1") = "6"
    & skf18("2","4","2","4","7","5","1") = "6"
    & skf18("2","4","2","4","7","6","1") = "6"
    & skf18("2","4","2","4","7","7","1") = "6"
    & skf18("2","4","2","4","7","8","1") = "7"
    & skf18("2","4","2","4","7","9","1") = "8"
    & skf18("2","4","2","4","7","10","1") = "9"
    & skf18("2","4","2","4","8","1","1") = "7"
    & skf18("2","4","2","4","8","2","1") = "7"
    & skf18("2","4","2","4","8","3","1") = "7"
    & skf18("2","4","2","4","8","4","1") = "7"
    & skf18("2","4","2","4","8","5","1") = "7"
    & skf18("2","4","2","4","8","6","1") = "7"
    & skf18("2","4","2","4","8","7","1") = "7"
    & skf18("2","4","2","4","8","8","1") = "7"
    & skf18("2","4","2","4","8","9","1") = "8"
    & skf18("2","4","2","4","8","10","1") = "9"
    & skf18("2","4","2","4","9","1","1") = "8"
    & skf18("2","4","2","4","9","2","1") = "8"
    & skf18("2","4","2","4","9","3","1") = "8"
    & skf18("2","4","2","4","9","4","1") = "8"
    & skf18("2","4","2","4","9","5","1") = "8"
    & skf18("2","4","2","4","9","6","1") = "8"
    & skf18("2","4","2","4","9","7","1") = "8"
    & skf18("2","4","2","4","9","8","1") = "8"
    & skf18("2","4","2","4","9","9","1") = "8"
    & skf18("2","4","2","4","9","10","1") = "9"
    & skf18("2","4","2","4","10","1","1") = "9"
    & skf18("2","4","2","4","10","2","1") = "9"
    & skf18("2","4","2","4","10","3","1") = "9"
    & skf18("2","4","2","4","10","4","1") = "9"
    & skf18("2","4","2","4","10","5","1") = "9"
    & skf18("2","4","2","4","10","6","1") = "9"
    & skf18("2","4","2","4","10","7","1") = "9"
    & skf18("2","4","2","4","10","8","1") = "9"
    & skf18("2","4","2","4","10","9","1") = "9"
    & skf18("2","4","2","4","10","10","1") = "9"
    & skf18("2","4","2","5","1","1","1") = "4"
    & skf18("2","4","2","5","1","2","1") = "4"
    & skf18("2","4","2","5","1","3","1") = "4"
    & skf18("2","4","2","5","1","4","1") = "4"
    & skf18("2","4","2","5","1","5","1") = "4"
    & skf18("2","4","2","5","1","6","1") = "5"
    & skf18("2","4","2","5","1","7","1") = "6"
    & skf18("2","4","2","5","1","8","1") = "7"
    & skf18("2","4","2","5","1","9","1") = "8"
    & skf18("2","4","2","5","1","10","1") = "9"
    & skf18("2","4","2","5","2","1","1") = "4"
    & skf18("2","4","2","5","2","2","1") = "4"
    & skf18("2","4","2","5","2","3","1") = "4"
    & skf18("2","4","2","5","2","4","1") = "4"
    & skf18("2","4","2","5","2","5","1") = "4"
    & skf18("2","4","2","5","2","6","1") = "5"
    & skf18("2","4","2","5","2","7","1") = "6"
    & skf18("2","4","2","5","2","8","1") = "7"
    & skf18("2","4","2","5","2","9","1") = "8"
    & skf18("2","4","2","5","2","10","1") = "9"
    & skf18("2","4","2","5","3","1","1") = "4"
    & skf18("2","4","2","5","3","2","1") = "4"
    & skf18("2","4","2","5","3","3","1") = "4"
    & skf18("2","4","2","5","3","4","1") = "4"
    & skf18("2","4","2","5","3","5","1") = "4"
    & skf18("2","4","2","5","3","6","1") = "5"
    & skf18("2","4","2","5","3","7","1") = "6"
    & skf18("2","4","2","5","3","8","1") = "7"
    & skf18("2","4","2","5","3","9","1") = "8"
    & skf18("2","4","2","5","3","10","1") = "9"
    & skf18("2","4","2","5","4","1","1") = "4"
    & skf18("2","4","2","5","4","2","1") = "4"
    & skf18("2","4","2","5","4","3","1") = "4"
    & skf18("2","4","2","5","4","4","1") = "4"
    & skf18("2","4","2","5","4","5","1") = "4"
    & skf18("2","4","2","5","4","6","1") = "5"
    & skf18("2","4","2","5","4","7","1") = "6"
    & skf18("2","4","2","5","4","8","1") = "7"
    & skf18("2","4","2","5","4","9","1") = "8"
    & skf18("2","4","2","5","4","10","1") = "9"
    & skf18("2","4","2","5","5","1","1") = "4"
    & skf18("2","4","2","5","5","2","1") = "4"
    & skf18("2","4","2","5","5","3","1") = "4"
    & skf18("2","4","2","5","5","4","1") = "4"
    & skf18("2","4","2","5","5","5","1") = "4"
    & skf18("2","4","2","5","5","6","1") = "5"
    & skf18("2","4","2","5","5","7","1") = "6"
    & skf18("2","4","2","5","5","8","1") = "7"
    & skf18("2","4","2","5","5","9","1") = "8"
    & skf18("2","4","2","5","5","10","1") = "9"
    & skf18("2","4","2","5","6","1","1") = "5"
    & skf18("2","4","2","5","6","2","1") = "5"
    & skf18("2","4","2","5","6","3","1") = "5"
    & skf18("2","4","2","5","6","4","1") = "5"
    & skf18("2","4","2","5","6","5","1") = "5"
    & skf18("2","4","2","5","6","6","1") = "5"
    & skf18("2","4","2","5","6","7","1") = "6"
    & skf18("2","4","2","5","6","8","1") = "7"
    & skf18("2","4","2","5","6","9","1") = "8"
    & skf18("2","4","2","5","6","10","1") = "9"
    & skf18("2","4","2","5","7","1","1") = "6"
    & skf18("2","4","2","5","7","2","1") = "6"
    & skf18("2","4","2","5","7","3","1") = "6"
    & skf18("2","4","2","5","7","4","1") = "6"
    & skf18("2","4","2","5","7","5","1") = "6"
    & skf18("2","4","2","5","7","6","1") = "6"
    & skf18("2","4","2","5","7","7","1") = "6"
    & skf18("2","4","2","5","7","8","1") = "7"
    & skf18("2","4","2","5","7","9","1") = "8"
    & skf18("2","4","2","5","7","10","1") = "9"
    & skf18("2","4","2","5","8","1","1") = "7"
    & skf18("2","4","2","5","8","2","1") = "7"
    & skf18("2","4","2","5","8","3","1") = "7"
    & skf18("2","4","2","5","8","4","1") = "7"
    & skf18("2","4","2","5","8","5","1") = "7"
    & skf18("2","4","2","5","8","6","1") = "7"
    & skf18("2","4","2","5","8","7","1") = "7"
    & skf18("2","4","2","5","8","8","1") = "7"
    & skf18("2","4","2","5","8","9","1") = "8"
    & skf18("2","4","2","5","8","10","1") = "9"
    & skf18("2","4","2","5","9","1","1") = "8"
    & skf18("2","4","2","5","9","2","1") = "8"
    & skf18("2","4","2","5","9","3","1") = "8"
    & skf18("2","4","2","5","9","4","1") = "8"
    & skf18("2","4","2","5","9","5","1") = "8"
    & skf18("2","4","2","5","9","6","1") = "8"
    & skf18("2","4","2","5","9","7","1") = "8"
    & skf18("2","4","2","5","9","8","1") = "8"
    & skf18("2","4","2","5","9","9","1") = "8"
    & skf18("2","4","2","5","9","10","1") = "9"
    & skf18("2","4","2","5","10","1","1") = "9"
    & skf18("2","4","2","5","10","2","1") = "9"
    & skf18("2","4","2","5","10","3","1") = "9"
    & skf18("2","4","2","5","10","4","1") = "9"
    & skf18("2","4","2","5","10","5","1") = "9"
    & skf18("2","4","2","5","10","6","1") = "9"
    & skf18("2","4","2","5","10","7","1") = "9"
    & skf18("2","4","2","5","10","8","1") = "9"
    & skf18("2","4","2","5","10","9","1") = "9"
    & skf18("2","4","2","5","10","10","1") = "9"
    & skf18("2","4","2","6","1","1","1") = "5"
    & skf18("2","4","2","6","1","2","1") = "5"
    & skf18("2","4","2","6","1","3","1") = "5"
    & skf18("2","4","2","6","1","4","1") = "5"
    & skf18("2","4","2","6","1","5","1") = "5"
    & skf18("2","4","2","6","1","6","1") = "5"
    & skf18("2","4","2","6","1","7","1") = "6"
    & skf18("2","4","2","6","1","8","1") = "7"
    & skf18("2","4","2","6","1","9","1") = "8"
    & skf18("2","4","2","6","1","10","1") = "9"
    & skf18("2","4","2","6","2","1","1") = "5"
    & skf18("2","4","2","6","2","2","1") = "5"
    & skf18("2","4","2","6","2","3","1") = "5"
    & skf18("2","4","2","6","2","4","1") = "5"
    & skf18("2","4","2","6","2","5","1") = "5"
    & skf18("2","4","2","6","2","6","1") = "5"
    & skf18("2","4","2","6","2","7","1") = "6"
    & skf18("2","4","2","6","2","8","1") = "7"
    & skf18("2","4","2","6","2","9","1") = "8"
    & skf18("2","4","2","6","2","10","1") = "9"
    & skf18("2","4","2","6","3","1","1") = "5"
    & skf18("2","4","2","6","3","2","1") = "5"
    & skf18("2","4","2","6","3","3","1") = "5"
    & skf18("2","4","2","6","3","4","1") = "5"
    & skf18("2","4","2","6","3","5","1") = "5"
    & skf18("2","4","2","6","3","6","1") = "5"
    & skf18("2","4","2","6","3","7","1") = "6"
    & skf18("2","4","2","6","3","8","1") = "7"
    & skf18("2","4","2","6","3","9","1") = "8"
    & skf18("2","4","2","6","3","10","1") = "9"
    & skf18("2","4","2","6","4","1","1") = "5"
    & skf18("2","4","2","6","4","2","1") = "5"
    & skf18("2","4","2","6","4","3","1") = "5"
    & skf18("2","4","2","6","4","4","1") = "5"
    & skf18("2","4","2","6","4","5","1") = "5"
    & skf18("2","4","2","6","4","6","1") = "5"
    & skf18("2","4","2","6","4","7","1") = "6"
    & skf18("2","4","2","6","4","8","1") = "7"
    & skf18("2","4","2","6","4","9","1") = "8"
    & skf18("2","4","2","6","4","10","1") = "9"
    & skf18("2","4","2","6","5","1","1") = "5"
    & skf18("2","4","2","6","5","2","1") = "5"
    & skf18("2","4","2","6","5","3","1") = "5"
    & skf18("2","4","2","6","5","4","1") = "5"
    & skf18("2","4","2","6","5","5","1") = "5"
    & skf18("2","4","2","6","5","6","1") = "5"
    & skf18("2","4","2","6","5","7","1") = "6"
    & skf18("2","4","2","6","5","8","1") = "7"
    & skf18("2","4","2","6","5","9","1") = "8"
    & skf18("2","4","2","6","5","10","1") = "9"
    & skf18("2","4","2","6","6","1","1") = "5"
    & skf18("2","4","2","6","6","2","1") = "5"
    & skf18("2","4","2","6","6","3","1") = "5"
    & skf18("2","4","2","6","6","4","1") = "5"
    & skf18("2","4","2","6","6","5","1") = "5"
    & skf18("2","4","2","6","6","6","1") = "5"
    & skf18("2","4","2","6","6","7","1") = "6"
    & skf18("2","4","2","6","6","8","1") = "7"
    & skf18("2","4","2","6","6","9","1") = "8"
    & skf18("2","4","2","6","6","10","1") = "9"
    & skf18("2","4","2","6","7","1","1") = "6"
    & skf18("2","4","2","6","7","2","1") = "6"
    & skf18("2","4","2","6","7","3","1") = "6"
    & skf18("2","4","2","6","7","4","1") = "6"
    & skf18("2","4","2","6","7","5","1") = "6"
    & skf18("2","4","2","6","7","6","1") = "6"
    & skf18("2","4","2","6","7","7","1") = "6"
    & skf18("2","4","2","6","7","8","1") = "7"
    & skf18("2","4","2","6","7","9","1") = "8"
    & skf18("2","4","2","6","7","10","1") = "9"
    & skf18("2","4","2","6","8","1","1") = "7"
    & skf18("2","4","2","6","8","2","1") = "7"
    & skf18("2","4","2","6","8","3","1") = "7"
    & skf18("2","4","2","6","8","4","1") = "7"
    & skf18("2","4","2","6","8","5","1") = "7"
    & skf18("2","4","2","6","8","6","1") = "7"
    & skf18("2","4","2","6","8","7","1") = "7"
    & skf18("2","4","2","6","8","8","1") = "7"
    & skf18("2","4","2","6","8","9","1") = "8"
    & skf18("2","4","2","6","8","10","1") = "9"
    & skf18("2","4","2","6","9","1","1") = "8"
    & skf18("2","4","2","6","9","2","1") = "8"
    & skf18("2","4","2","6","9","3","1") = "8"
    & skf18("2","4","2","6","9","4","1") = "8"
    & skf18("2","4","2","6","9","5","1") = "8"
    & skf18("2","4","2","6","9","6","1") = "8"
    & skf18("2","4","2","6","9","7","1") = "8"
    & skf18("2","4","2","6","9","8","1") = "8"
    & skf18("2","4","2","6","9","9","1") = "8"
    & skf18("2","4","2","6","9","10","1") = "9"
    & skf18("2","4","2","6","10","1","1") = "9"
    & skf18("2","4","2","6","10","2","1") = "9"
    & skf18("2","4","2","6","10","3","1") = "9"
    & skf18("2","4","2","6","10","4","1") = "9"
    & skf18("2","4","2","6","10","5","1") = "9"
    & skf18("2","4","2","6","10","6","1") = "9"
    & skf18("2","4","2","6","10","7","1") = "9"
    & skf18("2","4","2","6","10","8","1") = "9"
    & skf18("2","4","2","6","10","9","1") = "9"
    & skf18("2","4","2","6","10","10","1") = "9"
    & skf18("2","4","2","7","1","1","1") = "6"
    & skf18("2","4","2","7","1","2","1") = "6"
    & skf18("2","4","2","7","1","3","1") = "6"
    & skf18("2","4","2","7","1","4","1") = "6"
    & skf18("2","4","2","7","1","5","1") = "6"
    & skf18("2","4","2","7","1","6","1") = "6"
    & skf18("2","4","2","7","1","7","1") = "6"
    & skf18("2","4","2","7","1","8","1") = "7"
    & skf18("2","4","2","7","1","9","1") = "8"
    & skf18("2","4","2","7","1","10","1") = "9"
    & skf18("2","4","2","7","2","1","1") = "6"
    & skf18("2","4","2","7","2","2","1") = "6"
    & skf18("2","4","2","7","2","3","1") = "6"
    & skf18("2","4","2","7","2","4","1") = "6"
    & skf18("2","4","2","7","2","5","1") = "6"
    & skf18("2","4","2","7","2","6","1") = "6"
    & skf18("2","4","2","7","2","7","1") = "6"
    & skf18("2","4","2","7","2","8","1") = "7"
    & skf18("2","4","2","7","2","9","1") = "8"
    & skf18("2","4","2","7","2","10","1") = "9"
    & skf18("2","4","2","7","3","1","1") = "6"
    & skf18("2","4","2","7","3","2","1") = "6"
    & skf18("2","4","2","7","3","3","1") = "6"
    & skf18("2","4","2","7","3","4","1") = "6"
    & skf18("2","4","2","7","3","5","1") = "6"
    & skf18("2","4","2","7","3","6","1") = "6"
    & skf18("2","4","2","7","3","7","1") = "6"
    & skf18("2","4","2","7","3","8","1") = "7"
    & skf18("2","4","2","7","3","9","1") = "8"
    & skf18("2","4","2","7","3","10","1") = "9"
    & skf18("2","4","2","7","4","1","1") = "6"
    & skf18("2","4","2","7","4","2","1") = "6"
    & skf18("2","4","2","7","4","3","1") = "6"
    & skf18("2","4","2","7","4","4","1") = "6"
    & skf18("2","4","2","7","4","5","1") = "6"
    & skf18("2","4","2","7","4","6","1") = "6"
    & skf18("2","4","2","7","4","7","1") = "6"
    & skf18("2","4","2","7","4","8","1") = "7"
    & skf18("2","4","2","7","4","9","1") = "8"
    & skf18("2","4","2","7","4","10","1") = "9"
    & skf18("2","4","2","7","5","1","1") = "6"
    & skf18("2","4","2","7","5","2","1") = "6"
    & skf18("2","4","2","7","5","3","1") = "6"
    & skf18("2","4","2","7","5","4","1") = "6"
    & skf18("2","4","2","7","5","5","1") = "6"
    & skf18("2","4","2","7","5","6","1") = "6"
    & skf18("2","4","2","7","5","7","1") = "6"
    & skf18("2","4","2","7","5","8","1") = "7"
    & skf18("2","4","2","7","5","9","1") = "8"
    & skf18("2","4","2","7","5","10","1") = "9"
    & skf18("2","4","2","7","6","1","1") = "6"
    & skf18("2","4","2","7","6","2","1") = "6"
    & skf18("2","4","2","7","6","3","1") = "6"
    & skf18("2","4","2","7","6","4","1") = "6"
    & skf18("2","4","2","7","6","5","1") = "6"
    & skf18("2","4","2","7","6","6","1") = "6"
    & skf18("2","4","2","7","6","7","1") = "6"
    & skf18("2","4","2","7","6","8","1") = "7"
    & skf18("2","4","2","7","6","9","1") = "8"
    & skf18("2","4","2","7","6","10","1") = "9"
    & skf18("2","4","2","7","7","1","1") = "6"
    & skf18("2","4","2","7","7","2","1") = "6"
    & skf18("2","4","2","7","7","3","1") = "6"
    & skf18("2","4","2","7","7","4","1") = "6"
    & skf18("2","4","2","7","7","5","1") = "6"
    & skf18("2","4","2","7","7","6","1") = "6"
    & skf18("2","4","2","7","7","7","1") = "6"
    & skf18("2","4","2","7","7","8","1") = "7"
    & skf18("2","4","2","7","7","9","1") = "8"
    & skf18("2","4","2","7","7","10","1") = "9"
    & skf18("2","4","2","7","8","1","1") = "7"
    & skf18("2","4","2","7","8","2","1") = "7"
    & skf18("2","4","2","7","8","3","1") = "7"
    & skf18("2","4","2","7","8","4","1") = "7"
    & skf18("2","4","2","7","8","5","1") = "7"
    & skf18("2","4","2","7","8","6","1") = "7"
    & skf18("2","4","2","7","8","7","1") = "7"
    & skf18("2","4","2","7","8","8","1") = "7"
    & skf18("2","4","2","7","8","9","1") = "8"
    & skf18("2","4","2","7","8","10","1") = "9"
    & skf18("2","4","2","7","9","1","1") = "8"
    & skf18("2","4","2","7","9","2","1") = "8"
    & skf18("2","4","2","7","9","3","1") = "8"
    & skf18("2","4","2","7","9","4","1") = "8"
    & skf18("2","4","2","7","9","5","1") = "8"
    & skf18("2","4","2","7","9","6","1") = "8"
    & skf18("2","4","2","7","9","7","1") = "8"
    & skf18("2","4","2","7","9","8","1") = "8"
    & skf18("2","4","2","7","9","9","1") = "8"
    & skf18("2","4","2","7","9","10","1") = "9"
    & skf18("2","4","2","7","10","1","1") = "9"
    & skf18("2","4","2","7","10","2","1") = "9"
    & skf18("2","4","2","7","10","3","1") = "9"
    & skf18("2","4","2","7","10","4","1") = "9"
    & skf18("2","4","2","7","10","5","1") = "9"
    & skf18("2","4","2","7","10","6","1") = "9"
    & skf18("2","4","2","7","10","7","1") = "9"
    & skf18("2","4","2","7","10","8","1") = "9"
    & skf18("2","4","2","7","10","9","1") = "9"
    & skf18("2","4","2","7","10","10","1") = "9"
    & skf18("2","4","2","8","1","1","1") = "7"
    & skf18("2","4","2","8","1","2","1") = "7"
    & skf18("2","4","2","8","1","3","1") = "7"
    & skf18("2","4","2","8","1","4","1") = "7"
    & skf18("2","4","2","8","1","5","1") = "7"
    & skf18("2","4","2","8","1","6","1") = "7"
    & skf18("2","4","2","8","1","7","1") = "7"
    & skf18("2","4","2","8","1","8","1") = "7"
    & skf18("2","4","2","8","1","9","1") = "8"
    & skf18("2","4","2","8","1","10","1") = "9"
    & skf18("2","4","2","8","2","1","1") = "7"
    & skf18("2","4","2","8","2","2","1") = "7"
    & skf18("2","4","2","8","2","3","1") = "7"
    & skf18("2","4","2","8","2","4","1") = "7"
    & skf18("2","4","2","8","2","5","1") = "7"
    & skf18("2","4","2","8","2","6","1") = "7"
    & skf18("2","4","2","8","2","7","1") = "7"
    & skf18("2","4","2","8","2","8","1") = "7"
    & skf18("2","4","2","8","2","9","1") = "8"
    & skf18("2","4","2","8","2","10","1") = "9"
    & skf18("2","4","2","8","3","1","1") = "7"
    & skf18("2","4","2","8","3","2","1") = "7"
    & skf18("2","4","2","8","3","3","1") = "7"
    & skf18("2","4","2","8","3","4","1") = "7"
    & skf18("2","4","2","8","3","5","1") = "7"
    & skf18("2","4","2","8","3","6","1") = "7"
    & skf18("2","4","2","8","3","7","1") = "7"
    & skf18("2","4","2","8","3","8","1") = "7"
    & skf18("2","4","2","8","3","9","1") = "8"
    & skf18("2","4","2","8","3","10","1") = "9"
    & skf18("2","4","2","8","4","1","1") = "7"
    & skf18("2","4","2","8","4","2","1") = "7"
    & skf18("2","4","2","8","4","3","1") = "7"
    & skf18("2","4","2","8","4","4","1") = "7"
    & skf18("2","4","2","8","4","5","1") = "7"
    & skf18("2","4","2","8","4","6","1") = "7"
    & skf18("2","4","2","8","4","7","1") = "7"
    & skf18("2","4","2","8","4","8","1") = "7"
    & skf18("2","4","2","8","4","9","1") = "8"
    & skf18("2","4","2","8","4","10","1") = "9"
    & skf18("2","4","2","8","5","1","1") = "7"
    & skf18("2","4","2","8","5","2","1") = "7"
    & skf18("2","4","2","8","5","3","1") = "7"
    & skf18("2","4","2","8","5","4","1") = "7"
    & skf18("2","4","2","8","5","5","1") = "7"
    & skf18("2","4","2","8","5","6","1") = "7"
    & skf18("2","4","2","8","5","7","1") = "7"
    & skf18("2","4","2","8","5","8","1") = "7"
    & skf18("2","4","2","8","5","9","1") = "8"
    & skf18("2","4","2","8","5","10","1") = "9"
    & skf18("2","4","2","8","6","1","1") = "7"
    & skf18("2","4","2","8","6","2","1") = "7"
    & skf18("2","4","2","8","6","3","1") = "7"
    & skf18("2","4","2","8","6","4","1") = "7"
    & skf18("2","4","2","8","6","5","1") = "7"
    & skf18("2","4","2","8","6","6","1") = "7"
    & skf18("2","4","2","8","6","7","1") = "7"
    & skf18("2","4","2","8","6","8","1") = "7"
    & skf18("2","4","2","8","6","9","1") = "8"
    & skf18("2","4","2","8","6","10","1") = "9"
    & skf18("2","4","2","8","7","1","1") = "7"
    & skf18("2","4","2","8","7","2","1") = "7"
    & skf18("2","4","2","8","7","3","1") = "7"
    & skf18("2","4","2","8","7","4","1") = "7"
    & skf18("2","4","2","8","7","5","1") = "7"
    & skf18("2","4","2","8","7","6","1") = "7"
    & skf18("2","4","2","8","7","7","1") = "7"
    & skf18("2","4","2","8","7","8","1") = "7"
    & skf18("2","4","2","8","7","9","1") = "8"
    & skf18("2","4","2","8","7","10","1") = "9"
    & skf18("2","4","2","8","8","1","1") = "7"
    & skf18("2","4","2","8","8","2","1") = "7"
    & skf18("2","4","2","8","8","3","1") = "7"
    & skf18("2","4","2","8","8","4","1") = "7"
    & skf18("2","4","2","8","8","5","1") = "7"
    & skf18("2","4","2","8","8","6","1") = "7"
    & skf18("2","4","2","8","8","7","1") = "7"
    & skf18("2","4","2","8","8","8","1") = "7"
    & skf18("2","4","2","8","8","9","1") = "8"
    & skf18("2","4","2","8","8","10","1") = "9"
    & skf18("2","4","2","8","9","1","1") = "8"
    & skf18("2","4","2","8","9","2","1") = "8"
    & skf18("2","4","2","8","9","3","1") = "8"
    & skf18("2","4","2","8","9","4","1") = "8"
    & skf18("2","4","2","8","9","5","1") = "8"
    & skf18("2","4","2","8","9","6","1") = "8"
    & skf18("2","4","2","8","9","7","1") = "8"
    & skf18("2","4","2","8","9","8","1") = "8"
    & skf18("2","4","2","8","9","9","1") = "8"
    & skf18("2","4","2","8","9","10","1") = "9"
    & skf18("2","4","2","8","10","1","1") = "9"
    & skf18("2","4","2","8","10","2","1") = "9"
    & skf18("2","4","2","8","10","3","1") = "9"
    & skf18("2","4","2","8","10","4","1") = "9"
    & skf18("2","4","2","8","10","5","1") = "9"
    & skf18("2","4","2","8","10","6","1") = "9"
    & skf18("2","4","2","8","10","7","1") = "9"
    & skf18("2","4","2","8","10","8","1") = "9"
    & skf18("2","4","2","8","10","9","1") = "9"
    & skf18("2","4","2","8","10","10","1") = "9"
    & skf18("2","4","2","9","1","1","1") = "8"
    & skf18("2","4","2","9","1","2","1") = "8"
    & skf18("2","4","2","9","1","3","1") = "8"
    & skf18("2","4","2","9","1","4","1") = "8"
    & skf18("2","4","2","9","1","5","1") = "8"
    & skf18("2","4","2","9","1","6","1") = "8"
    & skf18("2","4","2","9","1","7","1") = "8"
    & skf18("2","4","2","9","1","8","1") = "8"
    & skf18("2","4","2","9","1","9","1") = "8"
    & skf18("2","4","2","9","1","10","1") = "9"
    & skf18("2","4","2","9","2","1","1") = "8"
    & skf18("2","4","2","9","2","2","1") = "8"
    & skf18("2","4","2","9","2","3","1") = "8"
    & skf18("2","4","2","9","2","4","1") = "8"
    & skf18("2","4","2","9","2","5","1") = "8"
    & skf18("2","4","2","9","2","6","1") = "8"
    & skf18("2","4","2","9","2","7","1") = "8"
    & skf18("2","4","2","9","2","8","1") = "8"
    & skf18("2","4","2","9","2","9","1") = "8"
    & skf18("2","4","2","9","2","10","1") = "9"
    & skf18("2","4","2","9","3","1","1") = "8"
    & skf18("2","4","2","9","3","2","1") = "8"
    & skf18("2","4","2","9","3","3","1") = "8"
    & skf18("2","4","2","9","3","4","1") = "8"
    & skf18("2","4","2","9","3","5","1") = "8"
    & skf18("2","4","2","9","3","6","1") = "8"
    & skf18("2","4","2","9","3","7","1") = "8"
    & skf18("2","4","2","9","3","8","1") = "8"
    & skf18("2","4","2","9","3","9","1") = "8"
    & skf18("2","4","2","9","3","10","1") = "9"
    & skf18("2","4","2","9","4","1","1") = "8"
    & skf18("2","4","2","9","4","2","1") = "8"
    & skf18("2","4","2","9","4","3","1") = "8"
    & skf18("2","4","2","9","4","4","1") = "8"
    & skf18("2","4","2","9","4","5","1") = "8"
    & skf18("2","4","2","9","4","6","1") = "8"
    & skf18("2","4","2","9","4","7","1") = "8"
    & skf18("2","4","2","9","4","8","1") = "8"
    & skf18("2","4","2","9","4","9","1") = "8"
    & skf18("2","4","2","9","4","10","1") = "9"
    & skf18("2","4","2","9","5","1","1") = "8"
    & skf18("2","4","2","9","5","2","1") = "8"
    & skf18("2","4","2","9","5","3","1") = "8"
    & skf18("2","4","2","9","5","4","1") = "8"
    & skf18("2","4","2","9","5","5","1") = "8"
    & skf18("2","4","2","9","5","6","1") = "8"
    & skf18("2","4","2","9","5","7","1") = "8"
    & skf18("2","4","2","9","5","8","1") = "8"
    & skf18("2","4","2","9","5","9","1") = "8"
    & skf18("2","4","2","9","5","10","1") = "9"
    & skf18("2","4","2","9","6","1","1") = "8"
    & skf18("2","4","2","9","6","2","1") = "8"
    & skf18("2","4","2","9","6","3","1") = "8"
    & skf18("2","4","2","9","6","4","1") = "8"
    & skf18("2","4","2","9","6","5","1") = "8"
    & skf18("2","4","2","9","6","6","1") = "8"
    & skf18("2","4","2","9","6","7","1") = "8"
    & skf18("2","4","2","9","6","8","1") = "8"
    & skf18("2","4","2","9","6","9","1") = "8"
    & skf18("2","4","2","9","6","10","1") = "9"
    & skf18("2","4","2","9","7","1","1") = "8"
    & skf18("2","4","2","9","7","2","1") = "8"
    & skf18("2","4","2","9","7","3","1") = "8"
    & skf18("2","4","2","9","7","4","1") = "8"
    & skf18("2","4","2","9","7","5","1") = "8"
    & skf18("2","4","2","9","7","6","1") = "8"
    & skf18("2","4","2","9","7","7","1") = "8"
    & skf18("2","4","2","9","7","8","1") = "8"
    & skf18("2","4","2","9","7","9","1") = "8"
    & skf18("2","4","2","9","7","10","1") = "9"
    & skf18("2","4","2","9","8","1","1") = "8"
    & skf18("2","4","2","9","8","2","1") = "8"
    & skf18("2","4","2","9","8","3","1") = "8"
    & skf18("2","4","2","9","8","4","1") = "8"
    & skf18("2","4","2","9","8","5","1") = "8"
    & skf18("2","4","2","9","8","6","1") = "8"
    & skf18("2","4","2","9","8","7","1") = "8"
    & skf18("2","4","2","9","8","8","1") = "8"
    & skf18("2","4","2","9","8","9","1") = "8"
    & skf18("2","4","2","9","8","10","1") = "9"
    & skf18("2","4","2","9","9","1","1") = "8"
    & skf18("2","4","2","9","9","2","1") = "8"
    & skf18("2","4","2","9","9","3","1") = "8"
    & skf18("2","4","2","9","9","4","1") = "8"
    & skf18("2","4","2","9","9","5","1") = "8"
    & skf18("2","4","2","9","9","6","1") = "8"
    & skf18("2","4","2","9","9","7","1") = "8"
    & skf18("2","4","2","9","9","8","1") = "8"
    & skf18("2","4","2","9","9","9","1") = "8"
    & skf18("2","4","2","9","9","10","1") = "9"
    & skf18("2","4","2","9","10","1","1") = "9"
    & skf18("2","4","2","9","10","2","1") = "9"
    & skf18("2","4","2","9","10","3","1") = "9"
    & skf18("2","4","2","9","10","4","1") = "9"
    & skf18("2","4","2","9","10","5","1") = "9"
    & skf18("2","4","2","9","10","6","1") = "9"
    & skf18("2","4","2","9","10","7","1") = "9"
    & skf18("2","4","2","9","10","8","1") = "9"
    & skf18("2","4","2","9","10","9","1") = "9"
    & skf18("2","4","2","9","10","10","1") = "9"
    & skf18("2","4","2","10","1","1","1") = "9"
    & skf18("2","4","2","10","1","2","1") = "9"
    & skf18("2","4","2","10","1","3","1") = "9"
    & skf18("2","4","2","10","1","4","1") = "9"
    & skf18("2","4","2","10","1","5","1") = "9"
    & skf18("2","4","2","10","1","6","1") = "9"
    & skf18("2","4","2","10","1","7","1") = "9"
    & skf18("2","4","2","10","1","8","1") = "9"
    & skf18("2","4","2","10","1","9","1") = "9"
    & skf18("2","4","2","10","1","10","1") = "9"
    & skf18("2","4","2","10","2","1","1") = "9"
    & skf18("2","4","2","10","2","2","1") = "9"
    & skf18("2","4","2","10","2","3","1") = "9"
    & skf18("2","4","2","10","2","4","1") = "9"
    & skf18("2","4","2","10","2","5","1") = "9"
    & skf18("2","4","2","10","2","6","1") = "9"
    & skf18("2","4","2","10","2","7","1") = "9"
    & skf18("2","4","2","10","2","8","1") = "9"
    & skf18("2","4","2","10","2","9","1") = "9"
    & skf18("2","4","2","10","2","10","1") = "9"
    & skf18("2","4","2","10","3","1","1") = "9"
    & skf18("2","4","2","10","3","2","1") = "9"
    & skf18("2","4","2","10","3","3","1") = "9"
    & skf18("2","4","2","10","3","4","1") = "9"
    & skf18("2","4","2","10","3","5","1") = "9"
    & skf18("2","4","2","10","3","6","1") = "9"
    & skf18("2","4","2","10","3","7","1") = "9"
    & skf18("2","4","2","10","3","8","1") = "9"
    & skf18("2","4","2","10","3","9","1") = "9"
    & skf18("2","4","2","10","3","10","1") = "9"
    & skf18("2","4","2","10","4","1","1") = "9"
    & skf18("2","4","2","10","4","2","1") = "9"
    & skf18("2","4","2","10","4","3","1") = "9"
    & skf18("2","4","2","10","4","4","1") = "9"
    & skf18("2","4","2","10","4","5","1") = "9"
    & skf18("2","4","2","10","4","6","1") = "9"
    & skf18("2","4","2","10","4","7","1") = "9"
    & skf18("2","4","2","10","4","8","1") = "9"
    & skf18("2","4","2","10","4","9","1") = "9"
    & skf18("2","4","2","10","4","10","1") = "9"
    & skf18("2","4","2","10","5","1","1") = "9"
    & skf18("2","4","2","10","5","2","1") = "9"
    & skf18("2","4","2","10","5","3","1") = "9"
    & skf18("2","4","2","10","5","4","1") = "9"
    & skf18("2","4","2","10","5","5","1") = "9"
    & skf18("2","4","2","10","5","6","1") = "9"
    & skf18("2","4","2","10","5","7","1") = "9"
    & skf18("2","4","2","10","5","8","1") = "9"
    & skf18("2","4","2","10","5","9","1") = "9"
    & skf18("2","4","2","10","5","10","1") = "9"
    & skf18("2","4","2","10","6","1","1") = "9"
    & skf18("2","4","2","10","6","2","1") = "9"
    & skf18("2","4","2","10","6","3","1") = "9"
    & skf18("2","4","2","10","6","4","1") = "9"
    & skf18("2","4","2","10","6","5","1") = "9"
    & skf18("2","4","2","10","6","6","1") = "9"
    & skf18("2","4","2","10","6","7","1") = "9"
    & skf18("2","4","2","10","6","8","1") = "9"
    & skf18("2","4","2","10","6","9","1") = "9"
    & skf18("2","4","2","10","6","10","1") = "9"
    & skf18("2","4","2","10","7","1","1") = "9"
    & skf18("2","4","2","10","7","2","1") = "9"
    & skf18("2","4","2","10","7","3","1") = "9"
    & skf18("2","4","2","10","7","4","1") = "9"
    & skf18("2","4","2","10","7","5","1") = "9"
    & skf18("2","4","2","10","7","6","1") = "9"
    & skf18("2","4","2","10","7","7","1") = "9"
    & skf18("2","4","2","10","7","8","1") = "9"
    & skf18("2","4","2","10","7","9","1") = "9"
    & skf18("2","4","2","10","7","10","1") = "9"
    & skf18("2","4","2","10","8","1","1") = "9"
    & skf18("2","4","2","10","8","2","1") = "9"
    & skf18("2","4","2","10","8","3","1") = "9"
    & skf18("2","4","2","10","8","4","1") = "9"
    & skf18("2","4","2","10","8","5","1") = "9"
    & skf18("2","4","2","10","8","6","1") = "9"
    & skf18("2","4","2","10","8","7","1") = "9"
    & skf18("2","4","2","10","8","8","1") = "9"
    & skf18("2","4","2","10","8","9","1") = "9"
    & skf18("2","4","2","10","8","10","1") = "9"
    & skf18("2","4","2","10","9","1","1") = "9"
    & skf18("2","4","2","10","9","2","1") = "9"
    & skf18("2","4","2","10","9","3","1") = "9"
    & skf18("2","4","2","10","9","4","1") = "9"
    & skf18("2","4","2","10","9","5","1") = "9"
    & skf18("2","4","2","10","9","6","1") = "9"
    & skf18("2","4","2","10","9","7","1") = "9"
    & skf18("2","4","2","10","9","8","1") = "9"
    & skf18("2","4","2","10","9","9","1") = "9"
    & skf18("2","4","2","10","9","10","1") = "9"
    & skf18("2","4","2","10","10","1","1") = "9"
    & skf18("2","4","2","10","10","2","1") = "9"
    & skf18("2","4","2","10","10","3","1") = "9"
    & skf18("2","4","2","10","10","4","1") = "9"
    & skf18("2","4","2","10","10","5","1") = "9"
    & skf18("2","4","2","10","10","6","1") = "9"
    & skf18("2","4","2","10","10","7","1") = "9"
    & skf18("2","4","2","10","10","8","1") = "9"
    & skf18("2","4","2","10","10","9","1") = "9"
    & skf18("2","4","2","10","10","10","1") = "9"
    & skf18("2","4","3","1","1","1","1") = "3"
    & skf18("2","4","3","1","1","2","1") = "3"
    & skf18("2","4","3","1","1","3","1") = "3"
    & skf18("2","4","3","1","1","4","1") = "3"
    & skf18("2","4","3","1","1","5","1") = "4"
    & skf18("2","4","3","1","1","6","1") = "5"
    & skf18("2","4","3","1","1","7","1") = "6"
    & skf18("2","4","3","1","1","8","1") = "7"
    & skf18("2","4","3","1","1","9","1") = "8"
    & skf18("2","4","3","1","1","10","1") = "9"
    & skf18("2","4","3","1","2","1","1") = "3"
    & skf18("2","4","3","1","2","2","1") = "3"
    & skf18("2","4","3","1","2","3","1") = "3"
    & skf18("2","4","3","1","2","4","1") = "3"
    & skf18("2","4","3","1","2","5","1") = "4"
    & skf18("2","4","3","1","2","6","1") = "5"
    & skf18("2","4","3","1","2","7","1") = "6"
    & skf18("2","4","3","1","2","8","1") = "7"
    & skf18("2","4","3","1","2","9","1") = "8"
    & skf18("2","4","3","1","2","10","1") = "9"
    & skf18("2","4","3","1","3","1","1") = "3"
    & skf18("2","4","3","1","3","2","1") = "3"
    & skf18("2","4","3","1","3","3","1") = "3"
    & skf18("2","4","3","1","3","4","1") = "3"
    & skf18("2","4","3","1","3","5","1") = "4"
    & skf18("2","4","3","1","3","6","1") = "5"
    & skf18("2","4","3","1","3","7","1") = "6"
    & skf18("2","4","3","1","3","8","1") = "7"
    & skf18("2","4","3","1","3","9","1") = "8"
    & skf18("2","4","3","1","3","10","1") = "9"
    & skf18("2","4","3","1","4","1","1") = "3"
    & skf18("2","4","3","1","4","2","1") = "3"
    & skf18("2","4","3","1","4","3","1") = "3"
    & skf18("2","4","3","1","4","4","1") = "3"
    & skf18("2","4","3","1","4","5","1") = "4"
    & skf18("2","4","3","1","4","6","1") = "5"
    & skf18("2","4","3","1","4","7","1") = "6"
    & skf18("2","4","3","1","4","8","1") = "7"
    & skf18("2","4","3","1","4","9","1") = "8"
    & skf18("2","4","3","1","4","10","1") = "9"
    & skf18("2","4","3","1","5","1","1") = "4"
    & skf18("2","4","3","1","5","2","1") = "4"
    & skf18("2","4","3","1","5","3","1") = "4"
    & skf18("2","4","3","1","5","4","1") = "4"
    & skf18("2","4","3","1","5","5","1") = "4"
    & skf18("2","4","3","1","5","6","1") = "5"
    & skf18("2","4","3","1","5","7","1") = "6"
    & skf18("2","4","3","1","5","8","1") = "7"
    & skf18("2","4","3","1","5","9","1") = "8"
    & skf18("2","4","3","1","5","10","1") = "9"
    & skf18("2","4","3","1","6","1","1") = "5"
    & skf18("2","4","3","1","6","2","1") = "5"
    & skf18("2","4","3","1","6","3","1") = "5"
    & skf18("2","4","3","1","6","4","1") = "5"
    & skf18("2","4","3","1","6","5","1") = "5"
    & skf18("2","4","3","1","6","6","1") = "5"
    & skf18("2","4","3","1","6","7","1") = "6"
    & skf18("2","4","3","1","6","8","1") = "7"
    & skf18("2","4","3","1","6","9","1") = "8"
    & skf18("2","4","3","1","6","10","1") = "9"
    & skf18("2","4","3","1","7","1","1") = "6"
    & skf18("2","4","3","1","7","2","1") = "6"
    & skf18("2","4","3","1","7","3","1") = "6"
    & skf18("2","4","3","1","7","4","1") = "6"
    & skf18("2","4","3","1","7","5","1") = "6"
    & skf18("2","4","3","1","7","6","1") = "6"
    & skf18("2","4","3","1","7","7","1") = "6"
    & skf18("2","4","3","1","7","8","1") = "7"
    & skf18("2","4","3","1","7","9","1") = "8"
    & skf18("2","4","3","1","7","10","1") = "9"
    & skf18("2","4","3","1","8","1","1") = "7"
    & skf18("2","4","3","1","8","2","1") = "7"
    & skf18("2","4","3","1","8","3","1") = "7"
    & skf18("2","4","3","1","8","4","1") = "7"
    & skf18("2","4","3","1","8","5","1") = "7"
    & skf18("2","4","3","1","8","6","1") = "7"
    & skf18("2","4","3","1","8","7","1") = "7"
    & skf18("2","4","3","1","8","8","1") = "7"
    & skf18("2","4","3","1","8","9","1") = "8"
    & skf18("2","4","3","1","8","10","1") = "9"
    & skf18("2","4","3","1","9","1","1") = "8"
    & skf18("2","4","3","1","9","2","1") = "8"
    & skf18("2","4","3","1","9","3","1") = "8"
    & skf18("2","4","3","1","9","4","1") = "8"
    & skf18("2","4","3","1","9","5","1") = "8"
    & skf18("2","4","3","1","9","6","1") = "8"
    & skf18("2","4","3","1","9","7","1") = "8"
    & skf18("2","4","3","1","9","8","1") = "8"
    & skf18("2","4","3","1","9","9","1") = "8"
    & skf18("2","4","3","1","9","10","1") = "9"
    & skf18("2","4","3","1","10","1","1") = "9"
    & skf18("2","4","3","1","10","2","1") = "9"
    & skf18("2","4","3","1","10","3","1") = "9"
    & skf18("2","4","3","1","10","4","1") = "9"
    & skf18("2","4","3","1","10","5","1") = "9"
    & skf18("2","4","3","1","10","6","1") = "9"
    & skf18("2","4","3","1","10","7","1") = "9"
    & skf18("2","4","3","1","10","8","1") = "9"
    & skf18("2","4","3","1","10","9","1") = "9"
    & skf18("2","4","3","1","10","10","1") = "9"
    & skf18("2","4","3","2","1","1","1") = "3"
    & skf18("2","4","3","2","1","2","1") = "3"
    & skf18("2","4","3","2","1","3","1") = "3"
    & skf18("2","4","3","2","1","4","1") = "3"
    & skf18("2","4","3","2","1","5","1") = "4"
    & skf18("2","4","3","2","1","6","1") = "5"
    & skf18("2","4","3","2","1","7","1") = "6"
    & skf18("2","4","3","2","1","8","1") = "7"
    & skf18("2","4","3","2","1","9","1") = "8"
    & skf18("2","4","3","2","1","10","1") = "9"
    & skf18("2","4","3","2","2","1","1") = "3"
    & skf18("2","4","3","2","2","2","1") = "3"
    & skf18("2","4","3","2","2","3","1") = "3"
    & skf18("2","4","3","2","2","4","1") = "3"
    & skf18("2","4","3","2","2","5","1") = "4"
    & skf18("2","4","3","2","2","6","1") = "5"
    & skf18("2","4","3","2","2","7","1") = "6"
    & skf18("2","4","3","2","2","8","1") = "7"
    & skf18("2","4","3","2","2","9","1") = "8"
    & skf18("2","4","3","2","2","10","1") = "9"
    & skf18("2","4","3","2","3","1","1") = "3"
    & skf18("2","4","3","2","3","2","1") = "3"
    & skf18("2","4","3","2","3","3","1") = "3"
    & skf18("2","4","3","2","3","4","1") = "3"
    & skf18("2","4","3","2","3","5","1") = "4"
    & skf18("2","4","3","2","3","6","1") = "5"
    & skf18("2","4","3","2","3","7","1") = "6"
    & skf18("2","4","3","2","3","8","1") = "7"
    & skf18("2","4","3","2","3","9","1") = "8"
    & skf18("2","4","3","2","3","10","1") = "9"
    & skf18("2","4","3","2","4","1","1") = "3"
    & skf18("2","4","3","2","4","2","1") = "3"
    & skf18("2","4","3","2","4","3","1") = "3"
    & skf18("2","4","3","2","4","4","1") = "3"
    & skf18("2","4","3","2","4","5","1") = "4"
    & skf18("2","4","3","2","4","6","1") = "5"
    & skf18("2","4","3","2","4","7","1") = "6"
    & skf18("2","4","3","2","4","8","1") = "7"
    & skf18("2","4","3","2","4","9","1") = "8"
    & skf18("2","4","3","2","4","10","1") = "9"
    & skf18("2","4","3","2","5","1","1") = "4"
    & skf18("2","4","3","2","5","2","1") = "4"
    & skf18("2","4","3","2","5","3","1") = "4"
    & skf18("2","4","3","2","5","4","1") = "4"
    & skf18("2","4","3","2","5","5","1") = "4"
    & skf18("2","4","3","2","5","6","1") = "5"
    & skf18("2","4","3","2","5","7","1") = "6"
    & skf18("2","4","3","2","5","8","1") = "7"
    & skf18("2","4","3","2","5","9","1") = "8"
    & skf18("2","4","3","2","5","10","1") = "9"
    & skf18("2","4","3","2","6","1","1") = "5"
    & skf18("2","4","3","2","6","2","1") = "5"
    & skf18("2","4","3","2","6","3","1") = "5"
    & skf18("2","4","3","2","6","4","1") = "5"
    & skf18("2","4","3","2","6","5","1") = "5"
    & skf18("2","4","3","2","6","6","1") = "5"
    & skf18("2","4","3","2","6","7","1") = "6"
    & skf18("2","4","3","2","6","8","1") = "7"
    & skf18("2","4","3","2","6","9","1") = "8"
    & skf18("2","4","3","2","6","10","1") = "9"
    & skf18("2","4","3","2","7","1","1") = "6"
    & skf18("2","4","3","2","7","2","1") = "6"
    & skf18("2","4","3","2","7","3","1") = "6"
    & skf18("2","4","3","2","7","4","1") = "6"
    & skf18("2","4","3","2","7","5","1") = "6"
    & skf18("2","4","3","2","7","6","1") = "6"
    & skf18("2","4","3","2","7","7","1") = "6"
    & skf18("2","4","3","2","7","8","1") = "7"
    & skf18("2","4","3","2","7","9","1") = "8"
    & skf18("2","4","3","2","7","10","1") = "9"
    & skf18("2","4","3","2","8","1","1") = "7"
    & skf18("2","4","3","2","8","2","1") = "7"
    & skf18("2","4","3","2","8","3","1") = "7"
    & skf18("2","4","3","2","8","4","1") = "7"
    & skf18("2","4","3","2","8","5","1") = "7"
    & skf18("2","4","3","2","8","6","1") = "7"
    & skf18("2","4","3","2","8","7","1") = "7"
    & skf18("2","4","3","2","8","8","1") = "7"
    & skf18("2","4","3","2","8","9","1") = "8"
    & skf18("2","4","3","2","8","10","1") = "9"
    & skf18("2","4","3","2","9","1","1") = "8"
    & skf18("2","4","3","2","9","2","1") = "8"
    & skf18("2","4","3","2","9","3","1") = "8"
    & skf18("2","4","3","2","9","4","1") = "8"
    & skf18("2","4","3","2","9","5","1") = "8"
    & skf18("2","4","3","2","9","6","1") = "8"
    & skf18("2","4","3","2","9","7","1") = "8"
    & skf18("2","4","3","2","9","8","1") = "8"
    & skf18("2","4","3","2","9","9","1") = "8"
    & skf18("2","4","3","2","9","10","1") = "9"
    & skf18("2","4","3","2","10","1","1") = "9"
    & skf18("2","4","3","2","10","2","1") = "9"
    & skf18("2","4","3","2","10","3","1") = "9"
    & skf18("2","4","3","2","10","4","1") = "9"
    & skf18("2","4","3","2","10","5","1") = "9"
    & skf18("2","4","3","2","10","6","1") = "9"
    & skf18("2","4","3","2","10","7","1") = "9"
    & skf18("2","4","3","2","10","8","1") = "9"
    & skf18("2","4","3","2","10","9","1") = "9"
    & skf18("2","4","3","2","10","10","1") = "9"
    & skf18("2","4","3","3","1","1","1") = "3"
    & skf18("2","4","3","3","1","2","1") = "3"
    & skf18("2","4","3","3","1","3","1") = "3"
    & skf18("2","4","3","3","1","4","1") = "3"
    & skf18("2","4","3","3","1","5","1") = "4"
    & skf18("2","4","3","3","1","6","1") = "5"
    & skf18("2","4","3","3","1","7","1") = "6"
    & skf18("2","4","3","3","1","8","1") = "7"
    & skf18("2","4","3","3","1","9","1") = "8"
    & skf18("2","4","3","3","1","10","1") = "9"
    & skf18("2","4","3","3","2","1","1") = "3"
    & skf18("2","4","3","3","2","2","1") = "3"
    & skf18("2","4","3","3","2","3","1") = "3"
    & skf18("2","4","3","3","2","4","1") = "3"
    & skf18("2","4","3","3","2","5","1") = "4"
    & skf18("2","4","3","3","2","6","1") = "5"
    & skf18("2","4","3","3","2","7","1") = "6"
    & skf18("2","4","3","3","2","8","1") = "7"
    & skf18("2","4","3","3","2","9","1") = "8"
    & skf18("2","4","3","3","2","10","1") = "9"
    & skf18("2","4","3","3","3","1","1") = "3"
    & skf18("2","4","3","3","3","2","1") = "3"
    & skf18("2","4","3","3","3","3","1") = "3"
    & skf18("2","4","3","3","3","4","1") = "3"
    & skf18("2","4","3","3","3","5","1") = "4"
    & skf18("2","4","3","3","3","6","1") = "5"
    & skf18("2","4","3","3","3","7","1") = "6"
    & skf18("2","4","3","3","3","8","1") = "7"
    & skf18("2","4","3","3","3","9","1") = "8"
    & skf18("2","4","3","3","3","10","1") = "9"
    & skf18("2","4","3","3","4","1","1") = "3"
    & skf18("2","4","3","3","4","2","1") = "3"
    & skf18("2","4","3","3","4","3","1") = "3"
    & skf18("2","4","3","3","4","4","1") = "3"
    & skf18("2","4","3","3","4","5","1") = "4"
    & skf18("2","4","3","3","4","6","1") = "5"
    & skf18("2","4","3","3","4","7","1") = "6"
    & skf18("2","4","3","3","4","8","1") = "7"
    & skf18("2","4","3","3","4","9","1") = "8"
    & skf18("2","4","3","3","4","10","1") = "9"
    & skf18("2","4","3","3","5","1","1") = "4"
    & skf18("2","4","3","3","5","2","1") = "4"
    & skf18("2","4","3","3","5","3","1") = "4"
    & skf18("2","4","3","3","5","4","1") = "4"
    & skf18("2","4","3","3","5","5","1") = "4"
    & skf18("2","4","3","3","5","6","1") = "5"
    & skf18("2","4","3","3","5","7","1") = "6"
    & skf18("2","4","3","3","5","8","1") = "7"
    & skf18("2","4","3","3","5","9","1") = "8"
    & skf18("2","4","3","3","5","10","1") = "9"
    & skf18("2","4","3","3","6","1","1") = "5"
    & skf18("2","4","3","3","6","2","1") = "5"
    & skf18("2","4","3","3","6","3","1") = "5"
    & skf18("2","4","3","3","6","4","1") = "5"
    & skf18("2","4","3","3","6","5","1") = "5"
    & skf18("2","4","3","3","6","6","1") = "5"
    & skf18("2","4","3","3","6","7","1") = "6"
    & skf18("2","4","3","3","6","8","1") = "7"
    & skf18("2","4","3","3","6","9","1") = "8"
    & skf18("2","4","3","3","6","10","1") = "9"
    & skf18("2","4","3","3","7","1","1") = "6"
    & skf18("2","4","3","3","7","2","1") = "6"
    & skf18("2","4","3","3","7","3","1") = "6"
    & skf18("2","4","3","3","7","4","1") = "6"
    & skf18("2","4","3","3","7","5","1") = "6"
    & skf18("2","4","3","3","7","6","1") = "6"
    & skf18("2","4","3","3","7","7","1") = "6"
    & skf18("2","4","3","3","7","8","1") = "7"
    & skf18("2","4","3","3","7","9","1") = "8"
    & skf18("2","4","3","3","7","10","1") = "9"
    & skf18("2","4","3","3","8","1","1") = "7"
    & skf18("2","4","3","3","8","2","1") = "7"
    & skf18("2","4","3","3","8","3","1") = "7"
    & skf18("2","4","3","3","8","4","1") = "7"
    & skf18("2","4","3","3","8","5","1") = "7"
    & skf18("2","4","3","3","8","6","1") = "7"
    & skf18("2","4","3","3","8","7","1") = "7"
    & skf18("2","4","3","3","8","8","1") = "7"
    & skf18("2","4","3","3","8","9","1") = "8"
    & skf18("2","4","3","3","8","10","1") = "9"
    & skf18("2","4","3","3","9","1","1") = "8"
    & skf18("2","4","3","3","9","2","1") = "8"
    & skf18("2","4","3","3","9","3","1") = "8"
    & skf18("2","4","3","3","9","4","1") = "8"
    & skf18("2","4","3","3","9","5","1") = "8"
    & skf18("2","4","3","3","9","6","1") = "8"
    & skf18("2","4","3","3","9","7","1") = "8"
    & skf18("2","4","3","3","9","8","1") = "8"
    & skf18("2","4","3","3","9","9","1") = "8"
    & skf18("2","4","3","3","9","10","1") = "9"
    & skf18("2","4","3","3","10","1","1") = "9"
    & skf18("2","4","3","3","10","2","1") = "9"
    & skf18("2","4","3","3","10","3","1") = "9"
    & skf18("2","4","3","3","10","4","1") = "9"
    & skf18("2","4","3","3","10","5","1") = "9"
    & skf18("2","4","3","3","10","6","1") = "9"
    & skf18("2","4","3","3","10","7","1") = "9"
    & skf18("2","4","3","3","10","8","1") = "9"
    & skf18("2","4","3","3","10","9","1") = "9"
    & skf18("2","4","3","3","10","10","1") = "9"
    & skf18("2","4","3","4","1","1","1") = "3"
    & skf18("2","4","3","4","1","2","1") = "3"
    & skf18("2","4","3","4","1","3","1") = "3"
    & skf18("2","4","3","4","1","4","1") = "3"
    & skf18("2","4","3","4","1","5","1") = "4"
    & skf18("2","4","3","4","1","6","1") = "5"
    & skf18("2","4","3","4","1","7","1") = "6"
    & skf18("2","4","3","4","1","8","1") = "7"
    & skf18("2","4","3","4","1","9","1") = "8"
    & skf18("2","4","3","4","1","10","1") = "9"
    & skf18("2","4","3","4","2","1","1") = "3"
    & skf18("2","4","3","4","2","2","1") = "3"
    & skf18("2","4","3","4","2","3","1") = "3"
    & skf18("2","4","3","4","2","4","1") = "3"
    & skf18("2","4","3","4","2","5","1") = "4"
    & skf18("2","4","3","4","2","6","1") = "5"
    & skf18("2","4","3","4","2","7","1") = "6"
    & skf18("2","4","3","4","2","8","1") = "7"
    & skf18("2","4","3","4","2","9","1") = "8"
    & skf18("2","4","3","4","2","10","1") = "9"
    & skf18("2","4","3","4","3","1","1") = "3"
    & skf18("2","4","3","4","3","2","1") = "3"
    & skf18("2","4","3","4","3","3","1") = "3"
    & skf18("2","4","3","4","3","4","1") = "3"
    & skf18("2","4","3","4","3","5","1") = "4"
    & skf18("2","4","3","4","3","6","1") = "5"
    & skf18("2","4","3","4","3","7","1") = "6"
    & skf18("2","4","3","4","3","8","1") = "7"
    & skf18("2","4","3","4","3","9","1") = "8"
    & skf18("2","4","3","4","3","10","1") = "9"
    & skf18("2","4","3","4","4","1","1") = "3"
    & skf18("2","4","3","4","4","2","1") = "3"
    & skf18("2","4","3","4","4","3","1") = "3"
    & skf18("2","4","3","4","4","4","1") = "3"
    & skf18("2","4","3","4","4","5","1") = "4"
    & skf18("2","4","3","4","4","6","1") = "5"
    & skf18("2","4","3","4","4","7","1") = "6"
    & skf18("2","4","3","4","4","8","1") = "7"
    & skf18("2","4","3","4","4","9","1") = "8"
    & skf18("2","4","3","4","4","10","1") = "9"
    & skf18("2","4","3","4","5","1","1") = "4"
    & skf18("2","4","3","4","5","2","1") = "4"
    & skf18("2","4","3","4","5","3","1") = "4"
    & skf18("2","4","3","4","5","4","1") = "4"
    & skf18("2","4","3","4","5","5","1") = "4"
    & skf18("2","4","3","4","5","6","1") = "5"
    & skf18("2","4","3","4","5","7","1") = "6"
    & skf18("2","4","3","4","5","8","1") = "7"
    & skf18("2","4","3","4","5","9","1") = "8"
    & skf18("2","4","3","4","5","10","1") = "9"
    & skf18("2","4","3","4","6","1","1") = "5"
    & skf18("2","4","3","4","6","2","1") = "5"
    & skf18("2","4","3","4","6","3","1") = "5"
    & skf18("2","4","3","4","6","4","1") = "5"
    & skf18("2","4","3","4","6","5","1") = "5"
    & skf18("2","4","3","4","6","6","1") = "5"
    & skf18("2","4","3","4","6","7","1") = "6"
    & skf18("2","4","3","4","6","8","1") = "7"
    & skf18("2","4","3","4","6","9","1") = "8"
    & skf18("2","4","3","4","6","10","1") = "9"
    & skf18("2","4","3","4","7","1","1") = "6"
    & skf18("2","4","3","4","7","2","1") = "6"
    & skf18("2","4","3","4","7","3","1") = "6"
    & skf18("2","4","3","4","7","4","1") = "6"
    & skf18("2","4","3","4","7","5","1") = "6"
    & skf18("2","4","3","4","7","6","1") = "6"
    & skf18("2","4","3","4","7","7","1") = "6"
    & skf18("2","4","3","4","7","8","1") = "7"
    & skf18("2","4","3","4","7","9","1") = "8"
    & skf18("2","4","3","4","7","10","1") = "9"
    & skf18("2","4","3","4","8","1","1") = "7"
    & skf18("2","4","3","4","8","2","1") = "7"
    & skf18("2","4","3","4","8","3","1") = "7"
    & skf18("2","4","3","4","8","4","1") = "7"
    & skf18("2","4","3","4","8","5","1") = "7"
    & skf18("2","4","3","4","8","6","1") = "7"
    & skf18("2","4","3","4","8","7","1") = "7"
    & skf18("2","4","3","4","8","8","1") = "7"
    & skf18("2","4","3","4","8","9","1") = "8"
    & skf18("2","4","3","4","8","10","1") = "9"
    & skf18("2","4","3","4","9","1","1") = "8"
    & skf18("2","4","3","4","9","2","1") = "8"
    & skf18("2","4","3","4","9","3","1") = "8"
    & skf18("2","4","3","4","9","4","1") = "8"
    & skf18("2","4","3","4","9","5","1") = "8"
    & skf18("2","4","3","4","9","6","1") = "8"
    & skf18("2","4","3","4","9","7","1") = "8"
    & skf18("2","4","3","4","9","8","1") = "8"
    & skf18("2","4","3","4","9","9","1") = "8"
    & skf18("2","4","3","4","9","10","1") = "9"
    & skf18("2","4","3","4","10","1","1") = "9"
    & skf18("2","4","3","4","10","2","1") = "9"
    & skf18("2","4","3","4","10","3","1") = "9"
    & skf18("2","4","3","4","10","4","1") = "9"
    & skf18("2","4","3","4","10","5","1") = "9"
    & skf18("2","4","3","4","10","6","1") = "9"
    & skf18("2","4","3","4","10","7","1") = "9"
    & skf18("2","4","3","4","10","8","1") = "9"
    & skf18("2","4","3","4","10","9","1") = "9"
    & skf18("2","4","3","4","10","10","1") = "9"
    & skf18("2","4","3","5","1","1","1") = "4"
    & skf18("2","4","3","5","1","2","1") = "4"
    & skf18("2","4","3","5","1","3","1") = "4"
    & skf18("2","4","3","5","1","4","1") = "4"
    & skf18("2","4","3","5","1","5","1") = "4"
    & skf18("2","4","3","5","1","6","1") = "5"
    & skf18("2","4","3","5","1","7","1") = "6"
    & skf18("2","4","3","5","1","8","1") = "7"
    & skf18("2","4","3","5","1","9","1") = "8"
    & skf18("2","4","3","5","1","10","1") = "9"
    & skf18("2","4","3","5","2","1","1") = "4"
    & skf18("2","4","3","5","2","2","1") = "4"
    & skf18("2","4","3","5","2","3","1") = "4"
    & skf18("2","4","3","5","2","4","1") = "4"
    & skf18("2","4","3","5","2","5","1") = "4"
    & skf18("2","4","3","5","2","6","1") = "5"
    & skf18("2","4","3","5","2","7","1") = "6"
    & skf18("2","4","3","5","2","8","1") = "7"
    & skf18("2","4","3","5","2","9","1") = "8"
    & skf18("2","4","3","5","2","10","1") = "9"
    & skf18("2","4","3","5","3","1","1") = "4"
    & skf18("2","4","3","5","3","2","1") = "4"
    & skf18("2","4","3","5","3","3","1") = "4"
    & skf18("2","4","3","5","3","4","1") = "4"
    & skf18("2","4","3","5","3","5","1") = "4"
    & skf18("2","4","3","5","3","6","1") = "5"
    & skf18("2","4","3","5","3","7","1") = "6"
    & skf18("2","4","3","5","3","8","1") = "7"
    & skf18("2","4","3","5","3","9","1") = "8"
    & skf18("2","4","3","5","3","10","1") = "9"
    & skf18("2","4","3","5","4","1","1") = "4"
    & skf18("2","4","3","5","4","2","1") = "4"
    & skf18("2","4","3","5","4","3","1") = "4"
    & skf18("2","4","3","5","4","4","1") = "4"
    & skf18("2","4","3","5","4","5","1") = "4"
    & skf18("2","4","3","5","4","6","1") = "5"
    & skf18("2","4","3","5","4","7","1") = "6"
    & skf18("2","4","3","5","4","8","1") = "7"
    & skf18("2","4","3","5","4","9","1") = "8"
    & skf18("2","4","3","5","4","10","1") = "9"
    & skf18("2","4","3","5","5","1","1") = "4"
    & skf18("2","4","3","5","5","2","1") = "4"
    & skf18("2","4","3","5","5","3","1") = "4"
    & skf18("2","4","3","5","5","4","1") = "4"
    & skf18("2","4","3","5","5","5","1") = "4"
    & skf18("2","4","3","5","5","6","1") = "5"
    & skf18("2","4","3","5","5","7","1") = "6"
    & skf18("2","4","3","5","5","8","1") = "7"
    & skf18("2","4","3","5","5","9","1") = "8"
    & skf18("2","4","3","5","5","10","1") = "9"
    & skf18("2","4","3","5","6","1","1") = "5"
    & skf18("2","4","3","5","6","2","1") = "5"
    & skf18("2","4","3","5","6","3","1") = "5"
    & skf18("2","4","3","5","6","4","1") = "5"
    & skf18("2","4","3","5","6","5","1") = "5"
    & skf18("2","4","3","5","6","6","1") = "5"
    & skf18("2","4","3","5","6","7","1") = "6"
    & skf18("2","4","3","5","6","8","1") = "7"
    & skf18("2","4","3","5","6","9","1") = "8"
    & skf18("2","4","3","5","6","10","1") = "9"
    & skf18("2","4","3","5","7","1","1") = "6"
    & skf18("2","4","3","5","7","2","1") = "6"
    & skf18("2","4","3","5","7","3","1") = "6"
    & skf18("2","4","3","5","7","4","1") = "6"
    & skf18("2","4","3","5","7","5","1") = "6"
    & skf18("2","4","3","5","7","6","1") = "6"
    & skf18("2","4","3","5","7","7","1") = "6"
    & skf18("2","4","3","5","7","8","1") = "7"
    & skf18("2","4","3","5","7","9","1") = "8"
    & skf18("2","4","3","5","7","10","1") = "9"
    & skf18("2","4","3","5","8","1","1") = "7"
    & skf18("2","4","3","5","8","2","1") = "7"
    & skf18("2","4","3","5","8","3","1") = "7"
    & skf18("2","4","3","5","8","4","1") = "7"
    & skf18("2","4","3","5","8","5","1") = "7"
    & skf18("2","4","3","5","8","6","1") = "7"
    & skf18("2","4","3","5","8","7","1") = "7"
    & skf18("2","4","3","5","8","8","1") = "7"
    & skf18("2","4","3","5","8","9","1") = "8"
    & skf18("2","4","3","5","8","10","1") = "9"
    & skf18("2","4","3","5","9","1","1") = "8"
    & skf18("2","4","3","5","9","2","1") = "8"
    & skf18("2","4","3","5","9","3","1") = "8"
    & skf18("2","4","3","5","9","4","1") = "8"
    & skf18("2","4","3","5","9","5","1") = "8"
    & skf18("2","4","3","5","9","6","1") = "8"
    & skf18("2","4","3","5","9","7","1") = "8"
    & skf18("2","4","3","5","9","8","1") = "8"
    & skf18("2","4","3","5","9","9","1") = "8"
    & skf18("2","4","3","5","9","10","1") = "9"
    & skf18("2","4","3","5","10","1","1") = "9"
    & skf18("2","4","3","5","10","2","1") = "9"
    & skf18("2","4","3","5","10","3","1") = "9"
    & skf18("2","4","3","5","10","4","1") = "9"
    & skf18("2","4","3","5","10","5","1") = "9"
    & skf18("2","4","3","5","10","6","1") = "9"
    & skf18("2","4","3","5","10","7","1") = "9"
    & skf18("2","4","3","5","10","8","1") = "9"
    & skf18("2","4","3","5","10","9","1") = "9"
    & skf18("2","4","3","5","10","10","1") = "9"
    & skf18("2","4","3","6","1","1","1") = "5"
    & skf18("2","4","3","6","1","2","1") = "5"
    & skf18("2","4","3","6","1","3","1") = "5"
    & skf18("2","4","3","6","1","4","1") = "5"
    & skf18("2","4","3","6","1","5","1") = "5"
    & skf18("2","4","3","6","1","6","1") = "5"
    & skf18("2","4","3","6","1","7","1") = "6"
    & skf18("2","4","3","6","1","8","1") = "7"
    & skf18("2","4","3","6","1","9","1") = "8"
    & skf18("2","4","3","6","1","10","1") = "9"
    & skf18("2","4","3","6","2","1","1") = "5"
    & skf18("2","4","3","6","2","2","1") = "5"
    & skf18("2","4","3","6","2","3","1") = "5"
    & skf18("2","4","3","6","2","4","1") = "5"
    & skf18("2","4","3","6","2","5","1") = "5"
    & skf18("2","4","3","6","2","6","1") = "5"
    & skf18("2","4","3","6","2","7","1") = "6"
    & skf18("2","4","3","6","2","8","1") = "7"
    & skf18("2","4","3","6","2","9","1") = "8"
    & skf18("2","4","3","6","2","10","1") = "9"
    & skf18("2","4","3","6","3","1","1") = "5"
    & skf18("2","4","3","6","3","2","1") = "5"
    & skf18("2","4","3","6","3","3","1") = "5"
    & skf18("2","4","3","6","3","4","1") = "5"
    & skf18("2","4","3","6","3","5","1") = "5"
    & skf18("2","4","3","6","3","6","1") = "5"
    & skf18("2","4","3","6","3","7","1") = "6"
    & skf18("2","4","3","6","3","8","1") = "7"
    & skf18("2","4","3","6","3","9","1") = "8"
    & skf18("2","4","3","6","3","10","1") = "9"
    & skf18("2","4","3","6","4","1","1") = "5"
    & skf18("2","4","3","6","4","2","1") = "5"
    & skf18("2","4","3","6","4","3","1") = "5"
    & skf18("2","4","3","6","4","4","1") = "5"
    & skf18("2","4","3","6","4","5","1") = "5"
    & skf18("2","4","3","6","4","6","1") = "5"
    & skf18("2","4","3","6","4","7","1") = "6"
    & skf18("2","4","3","6","4","8","1") = "7"
    & skf18("2","4","3","6","4","9","1") = "8"
    & skf18("2","4","3","6","4","10","1") = "9"
    & skf18("2","4","3","6","5","1","1") = "5"
    & skf18("2","4","3","6","5","2","1") = "5"
    & skf18("2","4","3","6","5","3","1") = "5"
    & skf18("2","4","3","6","5","4","1") = "5"
    & skf18("2","4","3","6","5","5","1") = "5"
    & skf18("2","4","3","6","5","6","1") = "5"
    & skf18("2","4","3","6","5","7","1") = "6"
    & skf18("2","4","3","6","5","8","1") = "7"
    & skf18("2","4","3","6","5","9","1") = "8"
    & skf18("2","4","3","6","5","10","1") = "9"
    & skf18("2","4","3","6","6","1","1") = "5"
    & skf18("2","4","3","6","6","2","1") = "5"
    & skf18("2","4","3","6","6","3","1") = "5"
    & skf18("2","4","3","6","6","4","1") = "5"
    & skf18("2","4","3","6","6","5","1") = "5"
    & skf18("2","4","3","6","6","6","1") = "5"
    & skf18("2","4","3","6","6","7","1") = "6"
    & skf18("2","4","3","6","6","8","1") = "7"
    & skf18("2","4","3","6","6","9","1") = "8"
    & skf18("2","4","3","6","6","10","1") = "9"
    & skf18("2","4","3","6","7","1","1") = "6"
    & skf18("2","4","3","6","7","2","1") = "6"
    & skf18("2","4","3","6","7","3","1") = "6"
    & skf18("2","4","3","6","7","4","1") = "6"
    & skf18("2","4","3","6","7","5","1") = "6"
    & skf18("2","4","3","6","7","6","1") = "6"
    & skf18("2","4","3","6","7","7","1") = "6"
    & skf18("2","4","3","6","7","8","1") = "7"
    & skf18("2","4","3","6","7","9","1") = "8"
    & skf18("2","4","3","6","7","10","1") = "9"
    & skf18("2","4","3","6","8","1","1") = "7"
    & skf18("2","4","3","6","8","2","1") = "7"
    & skf18("2","4","3","6","8","3","1") = "7"
    & skf18("2","4","3","6","8","4","1") = "7"
    & skf18("2","4","3","6","8","5","1") = "7"
    & skf18("2","4","3","6","8","6","1") = "7"
    & skf18("2","4","3","6","8","7","1") = "7"
    & skf18("2","4","3","6","8","8","1") = "7"
    & skf18("2","4","3","6","8","9","1") = "8"
    & skf18("2","4","3","6","8","10","1") = "9"
    & skf18("2","4","3","6","9","1","1") = "8"
    & skf18("2","4","3","6","9","2","1") = "8"
    & skf18("2","4","3","6","9","3","1") = "8"
    & skf18("2","4","3","6","9","4","1") = "8"
    & skf18("2","4","3","6","9","5","1") = "8"
    & skf18("2","4","3","6","9","6","1") = "8"
    & skf18("2","4","3","6","9","7","1") = "8"
    & skf18("2","4","3","6","9","8","1") = "8"
    & skf18("2","4","3","6","9","9","1") = "8"
    & skf18("2","4","3","6","9","10","1") = "9"
    & skf18("2","4","3","6","10","1","1") = "9"
    & skf18("2","4","3","6","10","2","1") = "9"
    & skf18("2","4","3","6","10","3","1") = "9"
    & skf18("2","4","3","6","10","4","1") = "9"
    & skf18("2","4","3","6","10","5","1") = "9"
    & skf18("2","4","3","6","10","6","1") = "9"
    & skf18("2","4","3","6","10","7","1") = "9"
    & skf18("2","4","3","6","10","8","1") = "9"
    & skf18("2","4","3","6","10","9","1") = "9"
    & skf18("2","4","3","6","10","10","1") = "9"
    & skf18("2","4","3","7","1","1","1") = "6"
    & skf18("2","4","3","7","1","2","1") = "6"
    & skf18("2","4","3","7","1","3","1") = "6"
    & skf18("2","4","3","7","1","4","1") = "6"
    & skf18("2","4","3","7","1","5","1") = "6"
    & skf18("2","4","3","7","1","6","1") = "6"
    & skf18("2","4","3","7","1","7","1") = "6"
    & skf18("2","4","3","7","1","8","1") = "7"
    & skf18("2","4","3","7","1","9","1") = "8"
    & skf18("2","4","3","7","1","10","1") = "9"
    & skf18("2","4","3","7","2","1","1") = "6"
    & skf18("2","4","3","7","2","2","1") = "6"
    & skf18("2","4","3","7","2","3","1") = "6"
    & skf18("2","4","3","7","2","4","1") = "6"
    & skf18("2","4","3","7","2","5","1") = "6"
    & skf18("2","4","3","7","2","6","1") = "6"
    & skf18("2","4","3","7","2","7","1") = "6"
    & skf18("2","4","3","7","2","8","1") = "7"
    & skf18("2","4","3","7","2","9","1") = "8"
    & skf18("2","4","3","7","2","10","1") = "9"
    & skf18("2","4","3","7","3","1","1") = "6"
    & skf18("2","4","3","7","3","2","1") = "6"
    & skf18("2","4","3","7","3","3","1") = "6"
    & skf18("2","4","3","7","3","4","1") = "6"
    & skf18("2","4","3","7","3","5","1") = "6"
    & skf18("2","4","3","7","3","6","1") = "6"
    & skf18("2","4","3","7","3","7","1") = "6"
    & skf18("2","4","3","7","3","8","1") = "7"
    & skf18("2","4","3","7","3","9","1") = "8"
    & skf18("2","4","3","7","3","10","1") = "9"
    & skf18("2","4","3","7","4","1","1") = "6"
    & skf18("2","4","3","7","4","2","1") = "6"
    & skf18("2","4","3","7","4","3","1") = "6"
    & skf18("2","4","3","7","4","4","1") = "6"
    & skf18("2","4","3","7","4","5","1") = "6"
    & skf18("2","4","3","7","4","6","1") = "6"
    & skf18("2","4","3","7","4","7","1") = "6"
    & skf18("2","4","3","7","4","8","1") = "7"
    & skf18("2","4","3","7","4","9","1") = "8"
    & skf18("2","4","3","7","4","10","1") = "9"
    & skf18("2","4","3","7","5","1","1") = "6"
    & skf18("2","4","3","7","5","2","1") = "6"
    & skf18("2","4","3","7","5","3","1") = "6"
    & skf18("2","4","3","7","5","4","1") = "6"
    & skf18("2","4","3","7","5","5","1") = "6"
    & skf18("2","4","3","7","5","6","1") = "6"
    & skf18("2","4","3","7","5","7","1") = "6"
    & skf18("2","4","3","7","5","8","1") = "7"
    & skf18("2","4","3","7","5","9","1") = "8"
    & skf18("2","4","3","7","5","10","1") = "9"
    & skf18("2","4","3","7","6","1","1") = "6"
    & skf18("2","4","3","7","6","2","1") = "6"
    & skf18("2","4","3","7","6","3","1") = "6"
    & skf18("2","4","3","7","6","4","1") = "6"
    & skf18("2","4","3","7","6","5","1") = "6"
    & skf18("2","4","3","7","6","6","1") = "6"
    & skf18("2","4","3","7","6","7","1") = "6"
    & skf18("2","4","3","7","6","8","1") = "7"
    & skf18("2","4","3","7","6","9","1") = "8"
    & skf18("2","4","3","7","6","10","1") = "9"
    & skf18("2","4","3","7","7","1","1") = "6"
    & skf18("2","4","3","7","7","2","1") = "6"
    & skf18("2","4","3","7","7","3","1") = "6"
    & skf18("2","4","3","7","7","4","1") = "6"
    & skf18("2","4","3","7","7","5","1") = "6"
    & skf18("2","4","3","7","7","6","1") = "6"
    & skf18("2","4","3","7","7","7","1") = "6"
    & skf18("2","4","3","7","7","8","1") = "7"
    & skf18("2","4","3","7","7","9","1") = "8"
    & skf18("2","4","3","7","7","10","1") = "9"
    & skf18("2","4","3","7","8","1","1") = "7"
    & skf18("2","4","3","7","8","2","1") = "7"
    & skf18("2","4","3","7","8","3","1") = "7"
    & skf18("2","4","3","7","8","4","1") = "7"
    & skf18("2","4","3","7","8","5","1") = "7"
    & skf18("2","4","3","7","8","6","1") = "7"
    & skf18("2","4","3","7","8","7","1") = "7"
    & skf18("2","4","3","7","8","8","1") = "7"
    & skf18("2","4","3","7","8","9","1") = "8"
    & skf18("2","4","3","7","8","10","1") = "9"
    & skf18("2","4","3","7","9","1","1") = "8"
    & skf18("2","4","3","7","9","2","1") = "8"
    & skf18("2","4","3","7","9","3","1") = "8"
    & skf18("2","4","3","7","9","4","1") = "8"
    & skf18("2","4","3","7","9","5","1") = "8"
    & skf18("2","4","3","7","9","6","1") = "8"
    & skf18("2","4","3","7","9","7","1") = "8"
    & skf18("2","4","3","7","9","8","1") = "8"
    & skf18("2","4","3","7","9","9","1") = "8"
    & skf18("2","4","3","7","9","10","1") = "9"
    & skf18("2","4","3","7","10","1","1") = "9"
    & skf18("2","4","3","7","10","2","1") = "9"
    & skf18("2","4","3","7","10","3","1") = "9"
    & skf18("2","4","3","7","10","4","1") = "9"
    & skf18("2","4","3","7","10","5","1") = "9"
    & skf18("2","4","3","7","10","6","1") = "9"
    & skf18("2","4","3","7","10","7","1") = "9"
    & skf18("2","4","3","7","10","8","1") = "9"
    & skf18("2","4","3","7","10","9","1") = "9"
    & skf18("2","4","3","7","10","10","1") = "9"
    & skf18("2","4","3","8","1","1","1") = "7"
    & skf18("2","4","3","8","1","2","1") = "7"
    & skf18("2","4","3","8","1","3","1") = "7"
    & skf18("2","4","3","8","1","4","1") = "7"
    & skf18("2","4","3","8","1","5","1") = "7"
    & skf18("2","4","3","8","1","6","1") = "7"
    & skf18("2","4","3","8","1","7","1") = "7"
    & skf18("2","4","3","8","1","8","1") = "7"
    & skf18("2","4","3","8","1","9","1") = "8"
    & skf18("2","4","3","8","1","10","1") = "9"
    & skf18("2","4","3","8","2","1","1") = "7"
    & skf18("2","4","3","8","2","2","1") = "7"
    & skf18("2","4","3","8","2","3","1") = "7"
    & skf18("2","4","3","8","2","4","1") = "7"
    & skf18("2","4","3","8","2","5","1") = "7"
    & skf18("2","4","3","8","2","6","1") = "7"
    & skf18("2","4","3","8","2","7","1") = "7"
    & skf18("2","4","3","8","2","8","1") = "7"
    & skf18("2","4","3","8","2","9","1") = "8"
    & skf18("2","4","3","8","2","10","1") = "9"
    & skf18("2","4","3","8","3","1","1") = "7"
    & skf18("2","4","3","8","3","2","1") = "7"
    & skf18("2","4","3","8","3","3","1") = "7"
    & skf18("2","4","3","8","3","4","1") = "7"
    & skf18("2","4","3","8","3","5","1") = "7"
    & skf18("2","4","3","8","3","6","1") = "7"
    & skf18("2","4","3","8","3","7","1") = "7"
    & skf18("2","4","3","8","3","8","1") = "7"
    & skf18("2","4","3","8","3","9","1") = "8"
    & skf18("2","4","3","8","3","10","1") = "9"
    & skf18("2","4","3","8","4","1","1") = "7"
    & skf18("2","4","3","8","4","2","1") = "7"
    & skf18("2","4","3","8","4","3","1") = "7"
    & skf18("2","4","3","8","4","4","1") = "7"
    & skf18("2","4","3","8","4","5","1") = "7"
    & skf18("2","4","3","8","4","6","1") = "7"
    & skf18("2","4","3","8","4","7","1") = "7"
    & skf18("2","4","3","8","4","8","1") = "7"
    & skf18("2","4","3","8","4","9","1") = "8"
    & skf18("2","4","3","8","4","10","1") = "9"
    & skf18("2","4","3","8","5","1","1") = "7"
    & skf18("2","4","3","8","5","2","1") = "7"
    & skf18("2","4","3","8","5","3","1") = "7"
    & skf18("2","4","3","8","5","4","1") = "7"
    & skf18("2","4","3","8","5","5","1") = "7"
    & skf18("2","4","3","8","5","6","1") = "7"
    & skf18("2","4","3","8","5","7","1") = "7"
    & skf18("2","4","3","8","5","8","1") = "7"
    & skf18("2","4","3","8","5","9","1") = "8"
    & skf18("2","4","3","8","5","10","1") = "9"
    & skf18("2","4","3","8","6","1","1") = "7"
    & skf18("2","4","3","8","6","2","1") = "7"
    & skf18("2","4","3","8","6","3","1") = "7"
    & skf18("2","4","3","8","6","4","1") = "7"
    & skf18("2","4","3","8","6","5","1") = "7"
    & skf18("2","4","3","8","6","6","1") = "7"
    & skf18("2","4","3","8","6","7","1") = "7"
    & skf18("2","4","3","8","6","8","1") = "7"
    & skf18("2","4","3","8","6","9","1") = "8"
    & skf18("2","4","3","8","6","10","1") = "9"
    & skf18("2","4","3","8","7","1","1") = "7"
    & skf18("2","4","3","8","7","2","1") = "7"
    & skf18("2","4","3","8","7","3","1") = "7"
    & skf18("2","4","3","8","7","4","1") = "7"
    & skf18("2","4","3","8","7","5","1") = "7"
    & skf18("2","4","3","8","7","6","1") = "7"
    & skf18("2","4","3","8","7","7","1") = "7"
    & skf18("2","4","3","8","7","8","1") = "7"
    & skf18("2","4","3","8","7","9","1") = "8"
    & skf18("2","4","3","8","7","10","1") = "9"
    & skf18("2","4","3","8","8","1","1") = "7"
    & skf18("2","4","3","8","8","2","1") = "7"
    & skf18("2","4","3","8","8","3","1") = "7"
    & skf18("2","4","3","8","8","4","1") = "7"
    & skf18("2","4","3","8","8","5","1") = "7"
    & skf18("2","4","3","8","8","6","1") = "7"
    & skf18("2","4","3","8","8","7","1") = "7"
    & skf18("2","4","3","8","8","8","1") = "7"
    & skf18("2","4","3","8","8","9","1") = "8"
    & skf18("2","4","3","8","8","10","1") = "9"
    & skf18("2","4","3","8","9","1","1") = "8"
    & skf18("2","4","3","8","9","2","1") = "8"
    & skf18("2","4","3","8","9","3","1") = "8"
    & skf18("2","4","3","8","9","4","1") = "8"
    & skf18("2","4","3","8","9","5","1") = "8"
    & skf18("2","4","3","8","9","6","1") = "8"
    & skf18("2","4","3","8","9","7","1") = "8"
    & skf18("2","4","3","8","9","8","1") = "8"
    & skf18("2","4","3","8","9","9","1") = "8"
    & skf18("2","4","3","8","9","10","1") = "9"
    & skf18("2","4","3","8","10","1","1") = "9"
    & skf18("2","4","3","8","10","2","1") = "9"
    & skf18("2","4","3","8","10","3","1") = "9"
    & skf18("2","4","3","8","10","4","1") = "9"
    & skf18("2","4","3","8","10","5","1") = "9"
    & skf18("2","4","3","8","10","6","1") = "9"
    & skf18("2","4","3","8","10","7","1") = "9"
    & skf18("2","4","3","8","10","8","1") = "9"
    & skf18("2","4","3","8","10","9","1") = "9"
    & skf18("2","4","3","8","10","10","1") = "9"
    & skf18("2","4","3","9","1","1","1") = "8"
    & skf18("2","4","3","9","1","2","1") = "8"
    & skf18("2","4","3","9","1","3","1") = "8"
    & skf18("2","4","3","9","1","4","1") = "8"
    & skf18("2","4","3","9","1","5","1") = "8"
    & skf18("2","4","3","9","1","6","1") = "8"
    & skf18("2","4","3","9","1","7","1") = "8"
    & skf18("2","4","3","9","1","8","1") = "8"
    & skf18("2","4","3","9","1","9","1") = "8"
    & skf18("2","4","3","9","1","10","1") = "9"
    & skf18("2","4","3","9","2","1","1") = "8"
    & skf18("2","4","3","9","2","2","1") = "8"
    & skf18("2","4","3","9","2","3","1") = "8"
    & skf18("2","4","3","9","2","4","1") = "8"
    & skf18("2","4","3","9","2","5","1") = "8"
    & skf18("2","4","3","9","2","6","1") = "8"
    & skf18("2","4","3","9","2","7","1") = "8"
    & skf18("2","4","3","9","2","8","1") = "8"
    & skf18("2","4","3","9","2","9","1") = "8"
    & skf18("2","4","3","9","2","10","1") = "9"
    & skf18("2","4","3","9","3","1","1") = "8"
    & skf18("2","4","3","9","3","2","1") = "8"
    & skf18("2","4","3","9","3","3","1") = "8"
    & skf18("2","4","3","9","3","4","1") = "8"
    & skf18("2","4","3","9","3","5","1") = "8"
    & skf18("2","4","3","9","3","6","1") = "8"
    & skf18("2","4","3","9","3","7","1") = "8"
    & skf18("2","4","3","9","3","8","1") = "8"
    & skf18("2","4","3","9","3","9","1") = "8"
    & skf18("2","4","3","9","3","10","1") = "9"
    & skf18("2","4","3","9","4","1","1") = "8"
    & skf18("2","4","3","9","4","2","1") = "8"
    & skf18("2","4","3","9","4","3","1") = "8"
    & skf18("2","4","3","9","4","4","1") = "8"
    & skf18("2","4","3","9","4","5","1") = "8"
    & skf18("2","4","3","9","4","6","1") = "8"
    & skf18("2","4","3","9","4","7","1") = "8"
    & skf18("2","4","3","9","4","8","1") = "8"
    & skf18("2","4","3","9","4","9","1") = "8"
    & skf18("2","4","3","9","4","10","1") = "9"
    & skf18("2","4","3","9","5","1","1") = "8"
    & skf18("2","4","3","9","5","2","1") = "8"
    & skf18("2","4","3","9","5","3","1") = "8"
    & skf18("2","4","3","9","5","4","1") = "8"
    & skf18("2","4","3","9","5","5","1") = "8"
    & skf18("2","4","3","9","5","6","1") = "8"
    & skf18("2","4","3","9","5","7","1") = "8"
    & skf18("2","4","3","9","5","8","1") = "8"
    & skf18("2","4","3","9","5","9","1") = "8"
    & skf18("2","4","3","9","5","10","1") = "9"
    & skf18("2","4","3","9","6","1","1") = "8"
    & skf18("2","4","3","9","6","2","1") = "8"
    & skf18("2","4","3","9","6","3","1") = "8"
    & skf18("2","4","3","9","6","4","1") = "8"
    & skf18("2","4","3","9","6","5","1") = "8"
    & skf18("2","4","3","9","6","6","1") = "8"
    & skf18("2","4","3","9","6","7","1") = "8"
    & skf18("2","4","3","9","6","8","1") = "8"
    & skf18("2","4","3","9","6","9","1") = "8"
    & skf18("2","4","3","9","6","10","1") = "9"
    & skf18("2","4","3","9","7","1","1") = "8"
    & skf18("2","4","3","9","7","2","1") = "8"
    & skf18("2","4","3","9","7","3","1") = "8"
    & skf18("2","4","3","9","7","4","1") = "8"
    & skf18("2","4","3","9","7","5","1") = "8"
    & skf18("2","4","3","9","7","6","1") = "8"
    & skf18("2","4","3","9","7","7","1") = "8"
    & skf18("2","4","3","9","7","8","1") = "8"
    & skf18("2","4","3","9","7","9","1") = "8"
    & skf18("2","4","3","9","7","10","1") = "9"
    & skf18("2","4","3","9","8","1","1") = "8"
    & skf18("2","4","3","9","8","2","1") = "8"
    & skf18("2","4","3","9","8","3","1") = "8"
    & skf18("2","4","3","9","8","4","1") = "8"
    & skf18("2","4","3","9","8","5","1") = "8"
    & skf18("2","4","3","9","8","6","1") = "8"
    & skf18("2","4","3","9","8","7","1") = "8"
    & skf18("2","4","3","9","8","8","1") = "8"
    & skf18("2","4","3","9","8","9","1") = "8"
    & skf18("2","4","3","9","8","10","1") = "9"
    & skf18("2","4","3","9","9","1","1") = "8"
    & skf18("2","4","3","9","9","2","1") = "8"
    & skf18("2","4","3","9","9","3","1") = "8"
    & skf18("2","4","3","9","9","4","1") = "8"
    & skf18("2","4","3","9","9","5","1") = "8"
    & skf18("2","4","3","9","9","6","1") = "8"
    & skf18("2","4","3","9","9","7","1") = "8"
    & skf18("2","4","3","9","9","8","1") = "8"
    & skf18("2","4","3","9","9","9","1") = "8"
    & skf18("2","4","3","9","9","10","1") = "9"
    & skf18("2","4","3","9","10","1","1") = "9"
    & skf18("2","4","3","9","10","2","1") = "9"
    & skf18("2","4","3","9","10","3","1") = "9"
    & skf18("2","4","3","9","10","4","1") = "9"
    & skf18("2","4","3","9","10","5","1") = "9"
    & skf18("2","4","3","9","10","6","1") = "9"
    & skf18("2","4","3","9","10","7","1") = "9"
    & skf18("2","4","3","9","10","8","1") = "9"
    & skf18("2","4","3","9","10","9","1") = "9"
    & skf18("2","4","3","9","10","10","1") = "9"
    & skf18("2","4","3","10","1","1","1") = "9"
    & skf18("2","4","3","10","1","2","1") = "9"
    & skf18("2","4","3","10","1","3","1") = "9"
    & skf18("2","4","3","10","1","4","1") = "9"
    & skf18("2","4","3","10","1","5","1") = "9"
    & skf18("2","4","3","10","1","6","1") = "9"
    & skf18("2","4","3","10","1","7","1") = "9"
    & skf18("2","4","3","10","1","8","1") = "9"
    & skf18("2","4","3","10","1","9","1") = "9"
    & skf18("2","4","3","10","1","10","1") = "9"
    & skf18("2","4","3","10","2","1","1") = "9"
    & skf18("2","4","3","10","2","2","1") = "9"
    & skf18("2","4","3","10","2","3","1") = "9"
    & skf18("2","4","3","10","2","4","1") = "9"
    & skf18("2","4","3","10","2","5","1") = "9"
    & skf18("2","4","3","10","2","6","1") = "9"
    & skf18("2","4","3","10","2","7","1") = "9"
    & skf18("2","4","3","10","2","8","1") = "9"
    & skf18("2","4","3","10","2","9","1") = "9"
    & skf18("2","4","3","10","2","10","1") = "9"
    & skf18("2","4","3","10","3","1","1") = "9"
    & skf18("2","4","3","10","3","2","1") = "9"
    & skf18("2","4","3","10","3","3","1") = "9"
    & skf18("2","4","3","10","3","4","1") = "9"
    & skf18("2","4","3","10","3","5","1") = "9"
    & skf18("2","4","3","10","3","6","1") = "9"
    & skf18("2","4","3","10","3","7","1") = "9"
    & skf18("2","4","3","10","3","8","1") = "9"
    & skf18("2","4","3","10","3","9","1") = "9"
    & skf18("2","4","3","10","3","10","1") = "9"
    & skf18("2","4","3","10","4","1","1") = "9"
    & skf18("2","4","3","10","4","2","1") = "9"
    & skf18("2","4","3","10","4","3","1") = "9"
    & skf18("2","4","3","10","4","4","1") = "9"
    & skf18("2","4","3","10","4","5","1") = "9"
    & skf18("2","4","3","10","4","6","1") = "9"
    & skf18("2","4","3","10","4","7","1") = "9"
    & skf18("2","4","3","10","4","8","1") = "9"
    & skf18("2","4","3","10","4","9","1") = "9"
    & skf18("2","4","3","10","4","10","1") = "9"
    & skf18("2","4","3","10","5","1","1") = "9"
    & skf18("2","4","3","10","5","2","1") = "9"
    & skf18("2","4","3","10","5","3","1") = "9"
    & skf18("2","4","3","10","5","4","1") = "9"
    & skf18("2","4","3","10","5","5","1") = "9"
    & skf18("2","4","3","10","5","6","1") = "9"
    & skf18("2","4","3","10","5","7","1") = "9"
    & skf18("2","4","3","10","5","8","1") = "9"
    & skf18("2","4","3","10","5","9","1") = "9"
    & skf18("2","4","3","10","5","10","1") = "9"
    & skf18("2","4","3","10","6","1","1") = "9"
    & skf18("2","4","3","10","6","2","1") = "9"
    & skf18("2","4","3","10","6","3","1") = "9"
    & skf18("2","4","3","10","6","4","1") = "9"
    & skf18("2","4","3","10","6","5","1") = "9"
    & skf18("2","4","3","10","6","6","1") = "9"
    & skf18("2","4","3","10","6","7","1") = "9"
    & skf18("2","4","3","10","6","8","1") = "9"
    & skf18("2","4","3","10","6","9","1") = "9"
    & skf18("2","4","3","10","6","10","1") = "9"
    & skf18("2","4","3","10","7","1","1") = "9"
    & skf18("2","4","3","10","7","2","1") = "9"
    & skf18("2","4","3","10","7","3","1") = "9"
    & skf18("2","4","3","10","7","4","1") = "9"
    & skf18("2","4","3","10","7","5","1") = "9"
    & skf18("2","4","3","10","7","6","1") = "9"
    & skf18("2","4","3","10","7","7","1") = "9"
    & skf18("2","4","3","10","7","8","1") = "9"
    & skf18("2","4","3","10","7","9","1") = "9"
    & skf18("2","4","3","10","7","10","1") = "9"
    & skf18("2","4","3","10","8","1","1") = "9"
    & skf18("2","4","3","10","8","2","1") = "9"
    & skf18("2","4","3","10","8","3","1") = "9"
    & skf18("2","4","3","10","8","4","1") = "9"
    & skf18("2","4","3","10","8","5","1") = "9"
    & skf18("2","4","3","10","8","6","1") = "9"
    & skf18("2","4","3","10","8","7","1") = "9"
    & skf18("2","4","3","10","8","8","1") = "9"
    & skf18("2","4","3","10","8","9","1") = "9"
    & skf18("2","4","3","10","8","10","1") = "9"
    & skf18("2","4","3","10","9","1","1") = "9"
    & skf18("2","4","3","10","9","2","1") = "9"
    & skf18("2","4","3","10","9","3","1") = "9"
    & skf18("2","4","3","10","9","4","1") = "9"
    & skf18("2","4","3","10","9","5","1") = "9"
    & skf18("2","4","3","10","9","6","1") = "9"
    & skf18("2","4","3","10","9","7","1") = "9"
    & skf18("2","4","3","10","9","8","1") = "9"
    & skf18("2","4","3","10","9","9","1") = "9"
    & skf18("2","4","3","10","9","10","1") = "9"
    & skf18("2","4","3","10","10","1","1") = "9"
    & skf18("2","4","3","10","10","2","1") = "9"
    & skf18("2","4","3","10","10","3","1") = "9"
    & skf18("2","4","3","10","10","4","1") = "9"
    & skf18("2","4","3","10","10","5","1") = "9"
    & skf18("2","4","3","10","10","6","1") = "9"
    & skf18("2","4","3","10","10","7","1") = "9"
    & skf18("2","4","3","10","10","8","1") = "9"
    & skf18("2","4","3","10","10","9","1") = "9"
    & skf18("2","4","3","10","10","10","1") = "9"
    & skf18("2","4","4","1","1","1","1") = "3"
    & skf18("2","4","4","1","1","2","1") = "3"
    & skf18("2","4","4","1","1","3","1") = "3"
    & skf18("2","4","4","1","1","4","1") = "3"
    & skf18("2","4","4","1","1","5","1") = "4"
    & skf18("2","4","4","1","1","6","1") = "5"
    & skf18("2","4","4","1","1","7","1") = "6"
    & skf18("2","4","4","1","1","8","1") = "7"
    & skf18("2","4","4","1","1","9","1") = "8"
    & skf18("2","4","4","1","1","10","1") = "9"
    & skf18("2","4","4","1","2","1","1") = "3"
    & skf18("2","4","4","1","2","2","1") = "3"
    & skf18("2","4","4","1","2","3","1") = "3"
    & skf18("2","4","4","1","2","4","1") = "3"
    & skf18("2","4","4","1","2","5","1") = "4"
    & skf18("2","4","4","1","2","6","1") = "5"
    & skf18("2","4","4","1","2","7","1") = "6"
    & skf18("2","4","4","1","2","8","1") = "7"
    & skf18("2","4","4","1","2","9","1") = "8"
    & skf18("2","4","4","1","2","10","1") = "9"
    & skf18("2","4","4","1","3","1","1") = "3"
    & skf18("2","4","4","1","3","2","1") = "3"
    & skf18("2","4","4","1","3","3","1") = "3"
    & skf18("2","4","4","1","3","4","1") = "3"
    & skf18("2","4","4","1","3","5","1") = "4"
    & skf18("2","4","4","1","3","6","1") = "5"
    & skf18("2","4","4","1","3","7","1") = "6"
    & skf18("2","4","4","1","3","8","1") = "7"
    & skf18("2","4","4","1","3","9","1") = "8"
    & skf18("2","4","4","1","3","10","1") = "9"
    & skf18("2","4","4","1","4","1","1") = "3"
    & skf18("2","4","4","1","4","2","1") = "3"
    & skf18("2","4","4","1","4","3","1") = "3"
    & skf18("2","4","4","1","4","4","1") = "3"
    & skf18("2","4","4","1","4","5","1") = "4"
    & skf18("2","4","4","1","4","6","1") = "5"
    & skf18("2","4","4","1","4","7","1") = "6"
    & skf18("2","4","4","1","4","8","1") = "7"
    & skf18("2","4","4","1","4","9","1") = "8"
    & skf18("2","4","4","1","4","10","1") = "9"
    & skf18("2","4","4","1","5","1","1") = "4"
    & skf18("2","4","4","1","5","2","1") = "4"
    & skf18("2","4","4","1","5","3","1") = "4"
    & skf18("2","4","4","1","5","4","1") = "4"
    & skf18("2","4","4","1","5","5","1") = "4"
    & skf18("2","4","4","1","5","6","1") = "5"
    & skf18("2","4","4","1","5","7","1") = "6"
    & skf18("2","4","4","1","5","8","1") = "7"
    & skf18("2","4","4","1","5","9","1") = "8"
    & skf18("2","4","4","1","5","10","1") = "9"
    & skf18("2","4","4","1","6","1","1") = "5"
    & skf18("2","4","4","1","6","2","1") = "5"
    & skf18("2","4","4","1","6","3","1") = "5"
    & skf18("2","4","4","1","6","4","1") = "5"
    & skf18("2","4","4","1","6","5","1") = "5"
    & skf18("2","4","4","1","6","6","1") = "5"
    & skf18("2","4","4","1","6","7","1") = "6"
    & skf18("2","4","4","1","6","8","1") = "7"
    & skf18("2","4","4","1","6","9","1") = "8"
    & skf18("2","4","4","1","6","10","1") = "9"
    & skf18("2","4","4","1","7","1","1") = "6"
    & skf18("2","4","4","1","7","2","1") = "6"
    & skf18("2","4","4","1","7","3","1") = "6"
    & skf18("2","4","4","1","7","4","1") = "6"
    & skf18("2","4","4","1","7","5","1") = "6"
    & skf18("2","4","4","1","7","6","1") = "6"
    & skf18("2","4","4","1","7","7","1") = "6"
    & skf18("2","4","4","1","7","8","1") = "7"
    & skf18("2","4","4","1","7","9","1") = "8"
    & skf18("2","4","4","1","7","10","1") = "9"
    & skf18("2","4","4","1","8","1","1") = "7"
    & skf18("2","4","4","1","8","2","1") = "7"
    & skf18("2","4","4","1","8","3","1") = "7"
    & skf18("2","4","4","1","8","4","1") = "7"
    & skf18("2","4","4","1","8","5","1") = "7"
    & skf18("2","4","4","1","8","6","1") = "7"
    & skf18("2","4","4","1","8","7","1") = "7"
    & skf18("2","4","4","1","8","8","1") = "7"
    & skf18("2","4","4","1","8","9","1") = "8"
    & skf18("2","4","4","1","8","10","1") = "9"
    & skf18("2","4","4","1","9","1","1") = "8"
    & skf18("2","4","4","1","9","2","1") = "8"
    & skf18("2","4","4","1","9","3","1") = "8"
    & skf18("2","4","4","1","9","4","1") = "8"
    & skf18("2","4","4","1","9","5","1") = "8"
    & skf18("2","4","4","1","9","6","1") = "8"
    & skf18("2","4","4","1","9","7","1") = "8"
    & skf18("2","4","4","1","9","8","1") = "8"
    & skf18("2","4","4","1","9","9","1") = "8"
    & skf18("2","4","4","1","9","10","1") = "9"
    & skf18("2","4","4","1","10","1","1") = "9"
    & skf18("2","4","4","1","10","2","1") = "9"
    & skf18("2","4","4","1","10","3","1") = "9"
    & skf18("2","4","4","1","10","4","1") = "9"
    & skf18("2","4","4","1","10","5","1") = "9"
    & skf18("2","4","4","1","10","6","1") = "9"
    & skf18("2","4","4","1","10","7","1") = "9"
    & skf18("2","4","4","1","10","8","1") = "9"
    & skf18("2","4","4","1","10","9","1") = "9"
    & skf18("2","4","4","1","10","10","1") = "9"
    & skf18("2","4","4","2","1","1","1") = "3"
    & skf18("2","4","4","2","1","2","1") = "3"
    & skf18("2","4","4","2","1","3","1") = "3"
    & skf18("2","4","4","2","1","4","1") = "3"
    & skf18("2","4","4","2","1","5","1") = "4"
    & skf18("2","4","4","2","1","6","1") = "5"
    & skf18("2","4","4","2","1","7","1") = "6"
    & skf18("2","4","4","2","1","8","1") = "7"
    & skf18("2","4","4","2","1","9","1") = "8"
    & skf18("2","4","4","2","1","10","1") = "9"
    & skf18("2","4","4","2","2","1","1") = "3"
    & skf18("2","4","4","2","2","2","1") = "3"
    & skf18("2","4","4","2","2","3","1") = "3"
    & skf18("2","4","4","2","2","4","1") = "3"
    & skf18("2","4","4","2","2","5","1") = "4"
    & skf18("2","4","4","2","2","6","1") = "5"
    & skf18("2","4","4","2","2","7","1") = "6"
    & skf18("2","4","4","2","2","8","1") = "7"
    & skf18("2","4","4","2","2","9","1") = "8"
    & skf18("2","4","4","2","2","10","1") = "9"
    & skf18("2","4","4","2","3","1","1") = "3"
    & skf18("2","4","4","2","3","2","1") = "3"
    & skf18("2","4","4","2","3","3","1") = "3"
    & skf18("2","4","4","2","3","4","1") = "3"
    & skf18("2","4","4","2","3","5","1") = "4"
    & skf18("2","4","4","2","3","6","1") = "5"
    & skf18("2","4","4","2","3","7","1") = "6"
    & skf18("2","4","4","2","3","8","1") = "7"
    & skf18("2","4","4","2","3","9","1") = "8"
    & skf18("2","4","4","2","3","10","1") = "9"
    & skf18("2","4","4","2","4","1","1") = "3"
    & skf18("2","4","4","2","4","2","1") = "3"
    & skf18("2","4","4","2","4","3","1") = "3"
    & skf18("2","4","4","2","4","4","1") = "3"
    & skf18("2","4","4","2","4","5","1") = "4"
    & skf18("2","4","4","2","4","6","1") = "5"
    & skf18("2","4","4","2","4","7","1") = "6"
    & skf18("2","4","4","2","4","8","1") = "7"
    & skf18("2","4","4","2","4","9","1") = "8"
    & skf18("2","4","4","2","4","10","1") = "9"
    & skf18("2","4","4","2","5","1","1") = "4"
    & skf18("2","4","4","2","5","2","1") = "4"
    & skf18("2","4","4","2","5","3","1") = "4"
    & skf18("2","4","4","2","5","4","1") = "4"
    & skf18("2","4","4","2","5","5","1") = "4"
    & skf18("2","4","4","2","5","6","1") = "5"
    & skf18("2","4","4","2","5","7","1") = "6"
    & skf18("2","4","4","2","5","8","1") = "7"
    & skf18("2","4","4","2","5","9","1") = "8"
    & skf18("2","4","4","2","5","10","1") = "9"
    & skf18("2","4","4","2","6","1","1") = "5"
    & skf18("2","4","4","2","6","2","1") = "5"
    & skf18("2","4","4","2","6","3","1") = "5"
    & skf18("2","4","4","2","6","4","1") = "5"
    & skf18("2","4","4","2","6","5","1") = "5"
    & skf18("2","4","4","2","6","6","1") = "5"
    & skf18("2","4","4","2","6","7","1") = "6"
    & skf18("2","4","4","2","6","8","1") = "7"
    & skf18("2","4","4","2","6","9","1") = "8"
    & skf18("2","4","4","2","6","10","1") = "9"
    & skf18("2","4","4","2","7","1","1") = "6"
    & skf18("2","4","4","2","7","2","1") = "6"
    & skf18("2","4","4","2","7","3","1") = "6"
    & skf18("2","4","4","2","7","4","1") = "6"
    & skf18("2","4","4","2","7","5","1") = "6"
    & skf18("2","4","4","2","7","6","1") = "6"
    & skf18("2","4","4","2","7","7","1") = "6"
    & skf18("2","4","4","2","7","8","1") = "7"
    & skf18("2","4","4","2","7","9","1") = "8"
    & skf18("2","4","4","2","7","10","1") = "9"
    & skf18("2","4","4","2","8","1","1") = "7"
    & skf18("2","4","4","2","8","2","1") = "7"
    & skf18("2","4","4","2","8","3","1") = "7"
    & skf18("2","4","4","2","8","4","1") = "7"
    & skf18("2","4","4","2","8","5","1") = "7"
    & skf18("2","4","4","2","8","6","1") = "7"
    & skf18("2","4","4","2","8","7","1") = "7"
    & skf18("2","4","4","2","8","8","1") = "7"
    & skf18("2","4","4","2","8","9","1") = "8"
    & skf18("2","4","4","2","8","10","1") = "9"
    & skf18("2","4","4","2","9","1","1") = "8"
    & skf18("2","4","4","2","9","2","1") = "8"
    & skf18("2","4","4","2","9","3","1") = "8"
    & skf18("2","4","4","2","9","4","1") = "8"
    & skf18("2","4","4","2","9","5","1") = "8"
    & skf18("2","4","4","2","9","6","1") = "8"
    & skf18("2","4","4","2","9","7","1") = "8"
    & skf18("2","4","4","2","9","8","1") = "8"
    & skf18("2","4","4","2","9","9","1") = "8"
    & skf18("2","4","4","2","9","10","1") = "9"
    & skf18("2","4","4","2","10","1","1") = "9"
    & skf18("2","4","4","2","10","2","1") = "9"
    & skf18("2","4","4","2","10","3","1") = "9"
    & skf18("2","4","4","2","10","4","1") = "9"
    & skf18("2","4","4","2","10","5","1") = "9"
    & skf18("2","4","4","2","10","6","1") = "9"
    & skf18("2","4","4","2","10","7","1") = "9"
    & skf18("2","4","4","2","10","8","1") = "9"
    & skf18("2","4","4","2","10","9","1") = "9"
    & skf18("2","4","4","2","10","10","1") = "9"
    & skf18("2","4","4","3","1","1","1") = "3"
    & skf18("2","4","4","3","1","2","1") = "3"
    & skf18("2","4","4","3","1","3","1") = "3"
    & skf18("2","4","4","3","1","4","1") = "3"
    & skf18("2","4","4","3","1","5","1") = "4"
    & skf18("2","4","4","3","1","6","1") = "5"
    & skf18("2","4","4","3","1","7","1") = "6"
    & skf18("2","4","4","3","1","8","1") = "7"
    & skf18("2","4","4","3","1","9","1") = "8"
    & skf18("2","4","4","3","1","10","1") = "9"
    & skf18("2","4","4","3","2","1","1") = "3"
    & skf18("2","4","4","3","2","2","1") = "3"
    & skf18("2","4","4","3","2","3","1") = "3"
    & skf18("2","4","4","3","2","4","1") = "3"
    & skf18("2","4","4","3","2","5","1") = "4"
    & skf18("2","4","4","3","2","6","1") = "5"
    & skf18("2","4","4","3","2","7","1") = "6"
    & skf18("2","4","4","3","2","8","1") = "7"
    & skf18("2","4","4","3","2","9","1") = "8"
    & skf18("2","4","4","3","2","10","1") = "9"
    & skf18("2","4","4","3","3","1","1") = "3"
    & skf18("2","4","4","3","3","2","1") = "3"
    & skf18("2","4","4","3","3","3","1") = "3"
    & skf18("2","4","4","3","3","4","1") = "3"
    & skf18("2","4","4","3","3","5","1") = "4"
    & skf18("2","4","4","3","3","6","1") = "5"
    & skf18("2","4","4","3","3","7","1") = "6"
    & skf18("2","4","4","3","3","8","1") = "7"
    & skf18("2","4","4","3","3","9","1") = "8"
    & skf18("2","4","4","3","3","10","1") = "9"
    & skf18("2","4","4","3","4","1","1") = "3"
    & skf18("2","4","4","3","4","2","1") = "3"
    & skf18("2","4","4","3","4","3","1") = "3"
    & skf18("2","4","4","3","4","4","1") = "3"
    & skf18("2","4","4","3","4","5","1") = "4"
    & skf18("2","4","4","3","4","6","1") = "5"
    & skf18("2","4","4","3","4","7","1") = "6"
    & skf18("2","4","4","3","4","8","1") = "7"
    & skf18("2","4","4","3","4","9","1") = "8"
    & skf18("2","4","4","3","4","10","1") = "9"
    & skf18("2","4","4","3","5","1","1") = "4"
    & skf18("2","4","4","3","5","2","1") = "4"
    & skf18("2","4","4","3","5","3","1") = "4"
    & skf18("2","4","4","3","5","4","1") = "4"
    & skf18("2","4","4","3","5","5","1") = "4"
    & skf18("2","4","4","3","5","6","1") = "5"
    & skf18("2","4","4","3","5","7","1") = "6"
    & skf18("2","4","4","3","5","8","1") = "7"
    & skf18("2","4","4","3","5","9","1") = "8"
    & skf18("2","4","4","3","5","10","1") = "9"
    & skf18("2","4","4","3","6","1","1") = "5"
    & skf18("2","4","4","3","6","2","1") = "5"
    & skf18("2","4","4","3","6","3","1") = "5"
    & skf18("2","4","4","3","6","4","1") = "5"
    & skf18("2","4","4","3","6","5","1") = "5"
    & skf18("2","4","4","3","6","6","1") = "5"
    & skf18("2","4","4","3","6","7","1") = "6"
    & skf18("2","4","4","3","6","8","1") = "7"
    & skf18("2","4","4","3","6","9","1") = "8"
    & skf18("2","4","4","3","6","10","1") = "9"
    & skf18("2","4","4","3","7","1","1") = "6"
    & skf18("2","4","4","3","7","2","1") = "6"
    & skf18("2","4","4","3","7","3","1") = "6"
    & skf18("2","4","4","3","7","4","1") = "6"
    & skf18("2","4","4","3","7","5","1") = "6"
    & skf18("2","4","4","3","7","6","1") = "6"
    & skf18("2","4","4","3","7","7","1") = "6"
    & skf18("2","4","4","3","7","8","1") = "7"
    & skf18("2","4","4","3","7","9","1") = "8"
    & skf18("2","4","4","3","7","10","1") = "9"
    & skf18("2","4","4","3","8","1","1") = "7"
    & skf18("2","4","4","3","8","2","1") = "7"
    & skf18("2","4","4","3","8","3","1") = "7"
    & skf18("2","4","4","3","8","4","1") = "7"
    & skf18("2","4","4","3","8","5","1") = "7"
    & skf18("2","4","4","3","8","6","1") = "7"
    & skf18("2","4","4","3","8","7","1") = "7"
    & skf18("2","4","4","3","8","8","1") = "7"
    & skf18("2","4","4","3","8","9","1") = "8"
    & skf18("2","4","4","3","8","10","1") = "9"
    & skf18("2","4","4","3","9","1","1") = "8"
    & skf18("2","4","4","3","9","2","1") = "8"
    & skf18("2","4","4","3","9","3","1") = "8"
    & skf18("2","4","4","3","9","4","1") = "8"
    & skf18("2","4","4","3","9","5","1") = "8"
    & skf18("2","4","4","3","9","6","1") = "8"
    & skf18("2","4","4","3","9","7","1") = "8"
    & skf18("2","4","4","3","9","8","1") = "8"
    & skf18("2","4","4","3","9","9","1") = "8"
    & skf18("2","4","4","3","9","10","1") = "9"
    & skf18("2","4","4","3","10","1","1") = "9"
    & skf18("2","4","4","3","10","2","1") = "9"
    & skf18("2","4","4","3","10","3","1") = "9"
    & skf18("2","4","4","3","10","4","1") = "9"
    & skf18("2","4","4","3","10","5","1") = "9"
    & skf18("2","4","4","3","10","6","1") = "9"
    & skf18("2","4","4","3","10","7","1") = "9"
    & skf18("2","4","4","3","10","8","1") = "9"
    & skf18("2","4","4","3","10","9","1") = "9"
    & skf18("2","4","4","3","10","10","1") = "9"
    & skf18("2","4","4","4","1","1","1") = "3"
    & skf18("2","4","4","4","1","2","1") = "3"
    & skf18("2","4","4","4","1","3","1") = "3"
    & skf18("2","4","4","4","1","4","1") = "3"
    & skf18("2","4","4","4","1","5","1") = "4"
    & skf18("2","4","4","4","1","6","1") = "5"
    & skf18("2","4","4","4","1","7","1") = "6"
    & skf18("2","4","4","4","1","8","1") = "7"
    & skf18("2","4","4","4","1","9","1") = "8"
    & skf18("2","4","4","4","1","10","1") = "9"
    & skf18("2","4","4","4","2","1","1") = "3"
    & skf18("2","4","4","4","2","2","1") = "3"
    & skf18("2","4","4","4","2","3","1") = "3"
    & skf18("2","4","4","4","2","4","1") = "3"
    & skf18("2","4","4","4","2","5","1") = "4"
    & skf18("2","4","4","4","2","6","1") = "5"
    & skf18("2","4","4","4","2","7","1") = "6"
    & skf18("2","4","4","4","2","8","1") = "7"
    & skf18("2","4","4","4","2","9","1") = "8"
    & skf18("2","4","4","4","2","10","1") = "9"
    & skf18("2","4","4","4","3","1","1") = "3"
    & skf18("2","4","4","4","3","2","1") = "3"
    & skf18("2","4","4","4","3","3","1") = "3"
    & skf18("2","4","4","4","3","4","1") = "3"
    & skf18("2","4","4","4","3","5","1") = "4"
    & skf18("2","4","4","4","3","6","1") = "5"
    & skf18("2","4","4","4","3","7","1") = "6"
    & skf18("2","4","4","4","3","8","1") = "7"
    & skf18("2","4","4","4","3","9","1") = "8"
    & skf18("2","4","4","4","3","10","1") = "9"
    & skf18("2","4","4","4","4","1","1") = "3"
    & skf18("2","4","4","4","4","2","1") = "3"
    & skf18("2","4","4","4","4","3","1") = "3"
    & skf18("2","4","4","4","4","4","1") = "3"
    & skf18("2","4","4","4","4","5","1") = "4"
    & skf18("2","4","4","4","4","6","1") = "5"
    & skf18("2","4","4","4","4","7","1") = "6"
    & skf18("2","4","4","4","4","8","1") = "7"
    & skf18("2","4","4","4","4","9","1") = "8"
    & skf18("2","4","4","4","4","10","1") = "9"
    & skf18("2","4","4","4","5","1","1") = "4"
    & skf18("2","4","4","4","5","2","1") = "4"
    & skf18("2","4","4","4","5","3","1") = "4"
    & skf18("2","4","4","4","5","4","1") = "4"
    & skf18("2","4","4","4","5","5","1") = "4"
    & skf18("2","4","4","4","5","6","1") = "5"
    & skf18("2","4","4","4","5","7","1") = "6"
    & skf18("2","4","4","4","5","8","1") = "7"
    & skf18("2","4","4","4","5","9","1") = "8"
    & skf18("2","4","4","4","5","10","1") = "9"
    & skf18("2","4","4","4","6","1","1") = "5"
    & skf18("2","4","4","4","6","2","1") = "5"
    & skf18("2","4","4","4","6","3","1") = "5"
    & skf18("2","4","4","4","6","4","1") = "5"
    & skf18("2","4","4","4","6","5","1") = "5"
    & skf18("2","4","4","4","6","6","1") = "5"
    & skf18("2","4","4","4","6","7","1") = "6"
    & skf18("2","4","4","4","6","8","1") = "7"
    & skf18("2","4","4","4","6","9","1") = "8"
    & skf18("2","4","4","4","6","10","1") = "9"
    & skf18("2","4","4","4","7","1","1") = "6"
    & skf18("2","4","4","4","7","2","1") = "6"
    & skf18("2","4","4","4","7","3","1") = "6"
    & skf18("2","4","4","4","7","4","1") = "6"
    & skf18("2","4","4","4","7","5","1") = "6"
    & skf18("2","4","4","4","7","6","1") = "6"
    & skf18("2","4","4","4","7","7","1") = "6"
    & skf18("2","4","4","4","7","8","1") = "7"
    & skf18("2","4","4","4","7","9","1") = "8"
    & skf18("2","4","4","4","7","10","1") = "9"
    & skf18("2","4","4","4","8","1","1") = "7"
    & skf18("2","4","4","4","8","2","1") = "7"
    & skf18("2","4","4","4","8","3","1") = "7"
    & skf18("2","4","4","4","8","4","1") = "7"
    & skf18("2","4","4","4","8","5","1") = "7"
    & skf18("2","4","4","4","8","6","1") = "7"
    & skf18("2","4","4","4","8","7","1") = "7"
    & skf18("2","4","4","4","8","8","1") = "7"
    & skf18("2","4","4","4","8","9","1") = "8"
    & skf18("2","4","4","4","8","10","1") = "9"
    & skf18("2","4","4","4","9","1","1") = "8"
    & skf18("2","4","4","4","9","2","1") = "8"
    & skf18("2","4","4","4","9","3","1") = "8"
    & skf18("2","4","4","4","9","4","1") = "8"
    & skf18("2","4","4","4","9","5","1") = "8"
    & skf18("2","4","4","4","9","6","1") = "8"
    & skf18("2","4","4","4","9","7","1") = "8"
    & skf18("2","4","4","4","9","8","1") = "8"
    & skf18("2","4","4","4","9","9","1") = "8"
    & skf18("2","4","4","4","9","10","1") = "9"
    & skf18("2","4","4","4","10","1","1") = "9"
    & skf18("2","4","4","4","10","2","1") = "9"
    & skf18("2","4","4","4","10","3","1") = "9"
    & skf18("2","4","4","4","10","4","1") = "9"
    & skf18("2","4","4","4","10","5","1") = "9"
    & skf18("2","4","4","4","10","6","1") = "9"
    & skf18("2","4","4","4","10","7","1") = "9"
    & skf18("2","4","4","4","10","8","1") = "9"
    & skf18("2","4","4","4","10","9","1") = "9"
    & skf18("2","4","4","4","10","10","1") = "9"
    & skf18("2","4","4","5","1","1","1") = "4"
    & skf18("2","4","4","5","1","2","1") = "4"
    & skf18("2","4","4","5","1","3","1") = "4"
    & skf18("2","4","4","5","1","4","1") = "4"
    & skf18("2","4","4","5","1","5","1") = "4"
    & skf18("2","4","4","5","1","6","1") = "5"
    & skf18("2","4","4","5","1","7","1") = "6"
    & skf18("2","4","4","5","1","8","1") = "7"
    & skf18("2","4","4","5","1","9","1") = "8"
    & skf18("2","4","4","5","1","10","1") = "9"
    & skf18("2","4","4","5","2","1","1") = "4"
    & skf18("2","4","4","5","2","2","1") = "4"
    & skf18("2","4","4","5","2","3","1") = "4"
    & skf18("2","4","4","5","2","4","1") = "4"
    & skf18("2","4","4","5","2","5","1") = "4"
    & skf18("2","4","4","5","2","6","1") = "5"
    & skf18("2","4","4","5","2","7","1") = "6"
    & skf18("2","4","4","5","2","8","1") = "7"
    & skf18("2","4","4","5","2","9","1") = "8"
    & skf18("2","4","4","5","2","10","1") = "9"
    & skf18("2","4","4","5","3","1","1") = "4"
    & skf18("2","4","4","5","3","2","1") = "4"
    & skf18("2","4","4","5","3","3","1") = "4"
    & skf18("2","4","4","5","3","4","1") = "4"
    & skf18("2","4","4","5","3","5","1") = "4"
    & skf18("2","4","4","5","3","6","1") = "5"
    & skf18("2","4","4","5","3","7","1") = "6"
    & skf18("2","4","4","5","3","8","1") = "7"
    & skf18("2","4","4","5","3","9","1") = "8"
    & skf18("2","4","4","5","3","10","1") = "9"
    & skf18("2","4","4","5","4","1","1") = "4"
    & skf18("2","4","4","5","4","2","1") = "4"
    & skf18("2","4","4","5","4","3","1") = "4"
    & skf18("2","4","4","5","4","4","1") = "4"
    & skf18("2","4","4","5","4","5","1") = "4"
    & skf18("2","4","4","5","4","6","1") = "5"
    & skf18("2","4","4","5","4","7","1") = "6"
    & skf18("2","4","4","5","4","8","1") = "7"
    & skf18("2","4","4","5","4","9","1") = "8"
    & skf18("2","4","4","5","4","10","1") = "9"
    & skf18("2","4","4","5","5","1","1") = "4"
    & skf18("2","4","4","5","5","2","1") = "4"
    & skf18("2","4","4","5","5","3","1") = "4"
    & skf18("2","4","4","5","5","4","1") = "4"
    & skf18("2","4","4","5","5","5","1") = "4"
    & skf18("2","4","4","5","5","6","1") = "5"
    & skf18("2","4","4","5","5","7","1") = "6"
    & skf18("2","4","4","5","5","8","1") = "7"
    & skf18("2","4","4","5","5","9","1") = "8"
    & skf18("2","4","4","5","5","10","1") = "9"
    & skf18("2","4","4","5","6","1","1") = "5"
    & skf18("2","4","4","5","6","2","1") = "5"
    & skf18("2","4","4","5","6","3","1") = "5"
    & skf18("2","4","4","5","6","4","1") = "5"
    & skf18("2","4","4","5","6","5","1") = "5"
    & skf18("2","4","4","5","6","6","1") = "5"
    & skf18("2","4","4","5","6","7","1") = "6"
    & skf18("2","4","4","5","6","8","1") = "7"
    & skf18("2","4","4","5","6","9","1") = "8"
    & skf18("2","4","4","5","6","10","1") = "9"
    & skf18("2","4","4","5","7","1","1") = "6"
    & skf18("2","4","4","5","7","2","1") = "6"
    & skf18("2","4","4","5","7","3","1") = "6"
    & skf18("2","4","4","5","7","4","1") = "6"
    & skf18("2","4","4","5","7","5","1") = "6"
    & skf18("2","4","4","5","7","6","1") = "6"
    & skf18("2","4","4","5","7","7","1") = "6"
    & skf18("2","4","4","5","7","8","1") = "7"
    & skf18("2","4","4","5","7","9","1") = "8"
    & skf18("2","4","4","5","7","10","1") = "9"
    & skf18("2","4","4","5","8","1","1") = "7"
    & skf18("2","4","4","5","8","2","1") = "7"
    & skf18("2","4","4","5","8","3","1") = "7"
    & skf18("2","4","4","5","8","4","1") = "7"
    & skf18("2","4","4","5","8","5","1") = "7"
    & skf18("2","4","4","5","8","6","1") = "7"
    & skf18("2","4","4","5","8","7","1") = "7"
    & skf18("2","4","4","5","8","8","1") = "7"
    & skf18("2","4","4","5","8","9","1") = "8"
    & skf18("2","4","4","5","8","10","1") = "9"
    & skf18("2","4","4","5","9","1","1") = "8"
    & skf18("2","4","4","5","9","2","1") = "8"
    & skf18("2","4","4","5","9","3","1") = "8"
    & skf18("2","4","4","5","9","4","1") = "8"
    & skf18("2","4","4","5","9","5","1") = "8"
    & skf18("2","4","4","5","9","6","1") = "8"
    & skf18("2","4","4","5","9","7","1") = "8"
    & skf18("2","4","4","5","9","8","1") = "8"
    & skf18("2","4","4","5","9","9","1") = "8"
    & skf18("2","4","4","5","9","10","1") = "9"
    & skf18("2","4","4","5","10","1","1") = "9"
    & skf18("2","4","4","5","10","2","1") = "9"
    & skf18("2","4","4","5","10","3","1") = "9"
    & skf18("2","4","4","5","10","4","1") = "9"
    & skf18("2","4","4","5","10","5","1") = "9"
    & skf18("2","4","4","5","10","6","1") = "9"
    & skf18("2","4","4","5","10","7","1") = "9"
    & skf18("2","4","4","5","10","8","1") = "9"
    & skf18("2","4","4","5","10","9","1") = "9"
    & skf18("2","4","4","5","10","10","1") = "9"
    & skf18("2","4","4","6","1","1","1") = "5"
    & skf18("2","4","4","6","1","2","1") = "5"
    & skf18("2","4","4","6","1","3","1") = "5"
    & skf18("2","4","4","6","1","4","1") = "5"
    & skf18("2","4","4","6","1","5","1") = "5"
    & skf18("2","4","4","6","1","6","1") = "5"
    & skf18("2","4","4","6","1","7","1") = "6"
    & skf18("2","4","4","6","1","8","1") = "7"
    & skf18("2","4","4","6","1","9","1") = "8"
    & skf18("2","4","4","6","1","10","1") = "9"
    & skf18("2","4","4","6","2","1","1") = "5"
    & skf18("2","4","4","6","2","2","1") = "5"
    & skf18("2","4","4","6","2","3","1") = "5"
    & skf18("2","4","4","6","2","4","1") = "5"
    & skf18("2","4","4","6","2","5","1") = "5"
    & skf18("2","4","4","6","2","6","1") = "5"
    & skf18("2","4","4","6","2","7","1") = "6"
    & skf18("2","4","4","6","2","8","1") = "7"
    & skf18("2","4","4","6","2","9","1") = "8"
    & skf18("2","4","4","6","2","10","1") = "9"
    & skf18("2","4","4","6","3","1","1") = "5"
    & skf18("2","4","4","6","3","2","1") = "5"
    & skf18("2","4","4","6","3","3","1") = "5"
    & skf18("2","4","4","6","3","4","1") = "5"
    & skf18("2","4","4","6","3","5","1") = "5"
    & skf18("2","4","4","6","3","6","1") = "5"
    & skf18("2","4","4","6","3","7","1") = "6"
    & skf18("2","4","4","6","3","8","1") = "7"
    & skf18("2","4","4","6","3","9","1") = "8"
    & skf18("2","4","4","6","3","10","1") = "9"
    & skf18("2","4","4","6","4","1","1") = "5"
    & skf18("2","4","4","6","4","2","1") = "5"
    & skf18("2","4","4","6","4","3","1") = "5"
    & skf18("2","4","4","6","4","4","1") = "5"
    & skf18("2","4","4","6","4","5","1") = "5"
    & skf18("2","4","4","6","4","6","1") = "5"
    & skf18("2","4","4","6","4","7","1") = "6"
    & skf18("2","4","4","6","4","8","1") = "7"
    & skf18("2","4","4","6","4","9","1") = "8"
    & skf18("2","4","4","6","4","10","1") = "9"
    & skf18("2","4","4","6","5","1","1") = "5"
    & skf18("2","4","4","6","5","2","1") = "5"
    & skf18("2","4","4","6","5","3","1") = "5"
    & skf18("2","4","4","6","5","4","1") = "5"
    & skf18("2","4","4","6","5","5","1") = "5"
    & skf18("2","4","4","6","5","6","1") = "5"
    & skf18("2","4","4","6","5","7","1") = "6"
    & skf18("2","4","4","6","5","8","1") = "7"
    & skf18("2","4","4","6","5","9","1") = "8"
    & skf18("2","4","4","6","5","10","1") = "9"
    & skf18("2","4","4","6","6","1","1") = "5"
    & skf18("2","4","4","6","6","2","1") = "5"
    & skf18("2","4","4","6","6","3","1") = "5"
    & skf18("2","4","4","6","6","4","1") = "5"
    & skf18("2","4","4","6","6","5","1") = "5"
    & skf18("2","4","4","6","6","6","1") = "5"
    & skf18("2","4","4","6","6","7","1") = "6"
    & skf18("2","4","4","6","6","8","1") = "7"
    & skf18("2","4","4","6","6","9","1") = "8"
    & skf18("2","4","4","6","6","10","1") = "9"
    & skf18("2","4","4","6","7","1","1") = "6"
    & skf18("2","4","4","6","7","2","1") = "6"
    & skf18("2","4","4","6","7","3","1") = "6"
    & skf18("2","4","4","6","7","4","1") = "6"
    & skf18("2","4","4","6","7","5","1") = "6"
    & skf18("2","4","4","6","7","6","1") = "6"
    & skf18("2","4","4","6","7","7","1") = "6"
    & skf18("2","4","4","6","7","8","1") = "7"
    & skf18("2","4","4","6","7","9","1") = "8"
    & skf18("2","4","4","6","7","10","1") = "9"
    & skf18("2","4","4","6","8","1","1") = "7"
    & skf18("2","4","4","6","8","2","1") = "7"
    & skf18("2","4","4","6","8","3","1") = "7"
    & skf18("2","4","4","6","8","4","1") = "7"
    & skf18("2","4","4","6","8","5","1") = "7"
    & skf18("2","4","4","6","8","6","1") = "7"
    & skf18("2","4","4","6","8","7","1") = "7"
    & skf18("2","4","4","6","8","8","1") = "7"
    & skf18("2","4","4","6","8","9","1") = "8"
    & skf18("2","4","4","6","8","10","1") = "9"
    & skf18("2","4","4","6","9","1","1") = "8"
    & skf18("2","4","4","6","9","2","1") = "8"
    & skf18("2","4","4","6","9","3","1") = "8"
    & skf18("2","4","4","6","9","4","1") = "8"
    & skf18("2","4","4","6","9","5","1") = "8"
    & skf18("2","4","4","6","9","6","1") = "8"
    & skf18("2","4","4","6","9","7","1") = "8"
    & skf18("2","4","4","6","9","8","1") = "8"
    & skf18("2","4","4","6","9","9","1") = "8"
    & skf18("2","4","4","6","9","10","1") = "9"
    & skf18("2","4","4","6","10","1","1") = "9"
    & skf18("2","4","4","6","10","2","1") = "9"
    & skf18("2","4","4","6","10","3","1") = "9"
    & skf18("2","4","4","6","10","4","1") = "9"
    & skf18("2","4","4","6","10","5","1") = "9"
    & skf18("2","4","4","6","10","6","1") = "9"
    & skf18("2","4","4","6","10","7","1") = "9"
    & skf18("2","4","4","6","10","8","1") = "9"
    & skf18("2","4","4","6","10","9","1") = "9"
    & skf18("2","4","4","6","10","10","1") = "9"
    & skf18("2","4","4","7","1","1","1") = "6"
    & skf18("2","4","4","7","1","2","1") = "6"
    & skf18("2","4","4","7","1","3","1") = "6"
    & skf18("2","4","4","7","1","4","1") = "6"
    & skf18("2","4","4","7","1","5","1") = "6"
    & skf18("2","4","4","7","1","6","1") = "6"
    & skf18("2","4","4","7","1","7","1") = "6"
    & skf18("2","4","4","7","1","8","1") = "7"
    & skf18("2","4","4","7","1","9","1") = "8"
    & skf18("2","4","4","7","1","10","1") = "9"
    & skf18("2","4","4","7","2","1","1") = "6"
    & skf18("2","4","4","7","2","2","1") = "6"
    & skf18("2","4","4","7","2","3","1") = "6"
    & skf18("2","4","4","7","2","4","1") = "6"
    & skf18("2","4","4","7","2","5","1") = "6"
    & skf18("2","4","4","7","2","6","1") = "6"
    & skf18("2","4","4","7","2","7","1") = "6"
    & skf18("2","4","4","7","2","8","1") = "7"
    & skf18("2","4","4","7","2","9","1") = "8"
    & skf18("2","4","4","7","2","10","1") = "9"
    & skf18("2","4","4","7","3","1","1") = "6"
    & skf18("2","4","4","7","3","2","1") = "6"
    & skf18("2","4","4","7","3","3","1") = "6"
    & skf18("2","4","4","7","3","4","1") = "6"
    & skf18("2","4","4","7","3","5","1") = "6"
    & skf18("2","4","4","7","3","6","1") = "6"
    & skf18("2","4","4","7","3","7","1") = "6"
    & skf18("2","4","4","7","3","8","1") = "7"
    & skf18("2","4","4","7","3","9","1") = "8"
    & skf18("2","4","4","7","3","10","1") = "9"
    & skf18("2","4","4","7","4","1","1") = "6"
    & skf18("2","4","4","7","4","2","1") = "6"
    & skf18("2","4","4","7","4","3","1") = "6"
    & skf18("2","4","4","7","4","4","1") = "6"
    & skf18("2","4","4","7","4","5","1") = "6"
    & skf18("2","4","4","7","4","6","1") = "6"
    & skf18("2","4","4","7","4","7","1") = "6"
    & skf18("2","4","4","7","4","8","1") = "7"
    & skf18("2","4","4","7","4","9","1") = "8"
    & skf18("2","4","4","7","4","10","1") = "9"
    & skf18("2","4","4","7","5","1","1") = "6"
    & skf18("2","4","4","7","5","2","1") = "6"
    & skf18("2","4","4","7","5","3","1") = "6"
    & skf18("2","4","4","7","5","4","1") = "6"
    & skf18("2","4","4","7","5","5","1") = "6"
    & skf18("2","4","4","7","5","6","1") = "6"
    & skf18("2","4","4","7","5","7","1") = "6"
    & skf18("2","4","4","7","5","8","1") = "7"
    & skf18("2","4","4","7","5","9","1") = "8"
    & skf18("2","4","4","7","5","10","1") = "9"
    & skf18("2","4","4","7","6","1","1") = "6"
    & skf18("2","4","4","7","6","2","1") = "6"
    & skf18("2","4","4","7","6","3","1") = "6"
    & skf18("2","4","4","7","6","4","1") = "6"
    & skf18("2","4","4","7","6","5","1") = "6"
    & skf18("2","4","4","7","6","6","1") = "6"
    & skf18("2","4","4","7","6","7","1") = "6"
    & skf18("2","4","4","7","6","8","1") = "7"
    & skf18("2","4","4","7","6","9","1") = "8"
    & skf18("2","4","4","7","6","10","1") = "9"
    & skf18("2","4","4","7","7","1","1") = "6"
    & skf18("2","4","4","7","7","2","1") = "6"
    & skf18("2","4","4","7","7","3","1") = "6"
    & skf18("2","4","4","7","7","4","1") = "6"
    & skf18("2","4","4","7","7","5","1") = "6"
    & skf18("2","4","4","7","7","6","1") = "6"
    & skf18("2","4","4","7","7","7","1") = "6"
    & skf18("2","4","4","7","7","8","1") = "7"
    & skf18("2","4","4","7","7","9","1") = "8"
    & skf18("2","4","4","7","7","10","1") = "9"
    & skf18("2","4","4","7","8","1","1") = "7"
    & skf18("2","4","4","7","8","2","1") = "7"
    & skf18("2","4","4","7","8","3","1") = "7"
    & skf18("2","4","4","7","8","4","1") = "7"
    & skf18("2","4","4","7","8","5","1") = "7"
    & skf18("2","4","4","7","8","6","1") = "7"
    & skf18("2","4","4","7","8","7","1") = "7"
    & skf18("2","4","4","7","8","8","1") = "7"
    & skf18("2","4","4","7","8","9","1") = "8"
    & skf18("2","4","4","7","8","10","1") = "9"
    & skf18("2","4","4","7","9","1","1") = "8"
    & skf18("2","4","4","7","9","2","1") = "8"
    & skf18("2","4","4","7","9","3","1") = "8"
    & skf18("2","4","4","7","9","4","1") = "8"
    & skf18("2","4","4","7","9","5","1") = "8"
    & skf18("2","4","4","7","9","6","1") = "8"
    & skf18("2","4","4","7","9","7","1") = "8"
    & skf18("2","4","4","7","9","8","1") = "8"
    & skf18("2","4","4","7","9","9","1") = "8"
    & skf18("2","4","4","7","9","10","1") = "9"
    & skf18("2","4","4","7","10","1","1") = "9"
    & skf18("2","4","4","7","10","2","1") = "9"
    & skf18("2","4","4","7","10","3","1") = "9"
    & skf18("2","4","4","7","10","4","1") = "9"
    & skf18("2","4","4","7","10","5","1") = "9"
    & skf18("2","4","4","7","10","6","1") = "9"
    & skf18("2","4","4","7","10","7","1") = "9"
    & skf18("2","4","4","7","10","8","1") = "9"
    & skf18("2","4","4","7","10","9","1") = "9"
    & skf18("2","4","4","7","10","10","1") = "9"
    & skf18("2","4","4","8","1","1","1") = "7"
    & skf18("2","4","4","8","1","2","1") = "7"
    & skf18("2","4","4","8","1","3","1") = "7"
    & skf18("2","4","4","8","1","4","1") = "7"
    & skf18("2","4","4","8","1","5","1") = "7"
    & skf18("2","4","4","8","1","6","1") = "7"
    & skf18("2","4","4","8","1","7","1") = "7"
    & skf18("2","4","4","8","1","8","1") = "7"
    & skf18("2","4","4","8","1","9","1") = "8"
    & skf18("2","4","4","8","1","10","1") = "9"
    & skf18("2","4","4","8","2","1","1") = "7"
    & skf18("2","4","4","8","2","2","1") = "7"
    & skf18("2","4","4","8","2","3","1") = "7"
    & skf18("2","4","4","8","2","4","1") = "7"
    & skf18("2","4","4","8","2","5","1") = "7"
    & skf18("2","4","4","8","2","6","1") = "7"
    & skf18("2","4","4","8","2","7","1") = "7"
    & skf18("2","4","4","8","2","8","1") = "7"
    & skf18("2","4","4","8","2","9","1") = "8"
    & skf18("2","4","4","8","2","10","1") = "9"
    & skf18("2","4","4","8","3","1","1") = "7"
    & skf18("2","4","4","8","3","2","1") = "7"
    & skf18("2","4","4","8","3","3","1") = "7"
    & skf18("2","4","4","8","3","4","1") = "7"
    & skf18("2","4","4","8","3","5","1") = "7"
    & skf18("2","4","4","8","3","6","1") = "7"
    & skf18("2","4","4","8","3","7","1") = "7"
    & skf18("2","4","4","8","3","8","1") = "7"
    & skf18("2","4","4","8","3","9","1") = "8"
    & skf18("2","4","4","8","3","10","1") = "9"
    & skf18("2","4","4","8","4","1","1") = "7"
    & skf18("2","4","4","8","4","2","1") = "7"
    & skf18("2","4","4","8","4","3","1") = "7"
    & skf18("2","4","4","8","4","4","1") = "7"
    & skf18("2","4","4","8","4","5","1") = "7"
    & skf18("2","4","4","8","4","6","1") = "7"
    & skf18("2","4","4","8","4","7","1") = "7"
    & skf18("2","4","4","8","4","8","1") = "7"
    & skf18("2","4","4","8","4","9","1") = "8"
    & skf18("2","4","4","8","4","10","1") = "9"
    & skf18("2","4","4","8","5","1","1") = "7"
    & skf18("2","4","4","8","5","2","1") = "7"
    & skf18("2","4","4","8","5","3","1") = "7"
    & skf18("2","4","4","8","5","4","1") = "7"
    & skf18("2","4","4","8","5","5","1") = "7"
    & skf18("2","4","4","8","5","6","1") = "7"
    & skf18("2","4","4","8","5","7","1") = "7"
    & skf18("2","4","4","8","5","8","1") = "7"
    & skf18("2","4","4","8","5","9","1") = "8"
    & skf18("2","4","4","8","5","10","1") = "9"
    & skf18("2","4","4","8","6","1","1") = "7"
    & skf18("2","4","4","8","6","2","1") = "7"
    & skf18("2","4","4","8","6","3","1") = "7"
    & skf18("2","4","4","8","6","4","1") = "7"
    & skf18("2","4","4","8","6","5","1") = "7"
    & skf18("2","4","4","8","6","6","1") = "7"
    & skf18("2","4","4","8","6","7","1") = "7"
    & skf18("2","4","4","8","6","8","1") = "7"
    & skf18("2","4","4","8","6","9","1") = "8"
    & skf18("2","4","4","8","6","10","1") = "9"
    & skf18("2","4","4","8","7","1","1") = "7"
    & skf18("2","4","4","8","7","2","1") = "7"
    & skf18("2","4","4","8","7","3","1") = "7"
    & skf18("2","4","4","8","7","4","1") = "7"
    & skf18("2","4","4","8","7","5","1") = "7"
    & skf18("2","4","4","8","7","6","1") = "7"
    & skf18("2","4","4","8","7","7","1") = "7"
    & skf18("2","4","4","8","7","8","1") = "7"
    & skf18("2","4","4","8","7","9","1") = "8"
    & skf18("2","4","4","8","7","10","1") = "9"
    & skf18("2","4","4","8","8","1","1") = "7"
    & skf18("2","4","4","8","8","2","1") = "7"
    & skf18("2","4","4","8","8","3","1") = "7"
    & skf18("2","4","4","8","8","4","1") = "7"
    & skf18("2","4","4","8","8","5","1") = "7"
    & skf18("2","4","4","8","8","6","1") = "7"
    & skf18("2","4","4","8","8","7","1") = "7"
    & skf18("2","4","4","8","8","8","1") = "7"
    & skf18("2","4","4","8","8","9","1") = "8"
    & skf18("2","4","4","8","8","10","1") = "9"
    & skf18("2","4","4","8","9","1","1") = "8"
    & skf18("2","4","4","8","9","2","1") = "8"
    & skf18("2","4","4","8","9","3","1") = "8"
    & skf18("2","4","4","8","9","4","1") = "8"
    & skf18("2","4","4","8","9","5","1") = "8"
    & skf18("2","4","4","8","9","6","1") = "8"
    & skf18("2","4","4","8","9","7","1") = "8"
    & skf18("2","4","4","8","9","8","1") = "8"
    & skf18("2","4","4","8","9","9","1") = "8"
    & skf18("2","4","4","8","9","10","1") = "9"
    & skf18("2","4","4","8","10","1","1") = "9"
    & skf18("2","4","4","8","10","2","1") = "9"
    & skf18("2","4","4","8","10","3","1") = "9"
    & skf18("2","4","4","8","10","4","1") = "9"
    & skf18("2","4","4","8","10","5","1") = "9"
    & skf18("2","4","4","8","10","6","1") = "9"
    & skf18("2","4","4","8","10","7","1") = "9"
    & skf18("2","4","4","8","10","8","1") = "9"
    & skf18("2","4","4","8","10","9","1") = "9"
    & skf18("2","4","4","8","10","10","1") = "9"
    & skf18("2","4","4","9","1","1","1") = "8"
    & skf18("2","4","4","9","1","2","1") = "8"
    & skf18("2","4","4","9","1","3","1") = "8"
    & skf18("2","4","4","9","1","4","1") = "8"
    & skf18("2","4","4","9","1","5","1") = "8"
    & skf18("2","4","4","9","1","6","1") = "8"
    & skf18("2","4","4","9","1","7","1") = "8"
    & skf18("2","4","4","9","1","8","1") = "8"
    & skf18("2","4","4","9","1","9","1") = "8"
    & skf18("2","4","4","9","1","10","1") = "9"
    & skf18("2","4","4","9","2","1","1") = "8"
    & skf18("2","4","4","9","2","2","1") = "8"
    & skf18("2","4","4","9","2","3","1") = "8"
    & skf18("2","4","4","9","2","4","1") = "8"
    & skf18("2","4","4","9","2","5","1") = "8"
    & skf18("2","4","4","9","2","6","1") = "8"
    & skf18("2","4","4","9","2","7","1") = "8"
    & skf18("2","4","4","9","2","8","1") = "8"
    & skf18("2","4","4","9","2","9","1") = "8"
    & skf18("2","4","4","9","2","10","1") = "9"
    & skf18("2","4","4","9","3","1","1") = "8"
    & skf18("2","4","4","9","3","2","1") = "8"
    & skf18("2","4","4","9","3","3","1") = "8"
    & skf18("2","4","4","9","3","4","1") = "8"
    & skf18("2","4","4","9","3","5","1") = "8"
    & skf18("2","4","4","9","3","6","1") = "8"
    & skf18("2","4","4","9","3","7","1") = "8"
    & skf18("2","4","4","9","3","8","1") = "8"
    & skf18("2","4","4","9","3","9","1") = "8"
    & skf18("2","4","4","9","3","10","1") = "9"
    & skf18("2","4","4","9","4","1","1") = "8"
    & skf18("2","4","4","9","4","2","1") = "8"
    & skf18("2","4","4","9","4","3","1") = "8"
    & skf18("2","4","4","9","4","4","1") = "8"
    & skf18("2","4","4","9","4","5","1") = "8"
    & skf18("2","4","4","9","4","6","1") = "8"
    & skf18("2","4","4","9","4","7","1") = "8"
    & skf18("2","4","4","9","4","8","1") = "8"
    & skf18("2","4","4","9","4","9","1") = "8"
    & skf18("2","4","4","9","4","10","1") = "9"
    & skf18("2","4","4","9","5","1","1") = "8"
    & skf18("2","4","4","9","5","2","1") = "8"
    & skf18("2","4","4","9","5","3","1") = "8"
    & skf18("2","4","4","9","5","4","1") = "8"
    & skf18("2","4","4","9","5","5","1") = "8"
    & skf18("2","4","4","9","5","6","1") = "8"
    & skf18("2","4","4","9","5","7","1") = "8"
    & skf18("2","4","4","9","5","8","1") = "8"
    & skf18("2","4","4","9","5","9","1") = "8"
    & skf18("2","4","4","9","5","10","1") = "9"
    & skf18("2","4","4","9","6","1","1") = "8"
    & skf18("2","4","4","9","6","2","1") = "8"
    & skf18("2","4","4","9","6","3","1") = "8"
    & skf18("2","4","4","9","6","4","1") = "8"
    & skf18("2","4","4","9","6","5","1") = "8"
    & skf18("2","4","4","9","6","6","1") = "8"
    & skf18("2","4","4","9","6","7","1") = "8"
    & skf18("2","4","4","9","6","8","1") = "8"
    & skf18("2","4","4","9","6","9","1") = "8"
    & skf18("2","4","4","9","6","10","1") = "9"
    & skf18("2","4","4","9","7","1","1") = "8"
    & skf18("2","4","4","9","7","2","1") = "8"
    & skf18("2","4","4","9","7","3","1") = "8"
    & skf18("2","4","4","9","7","4","1") = "8"
    & skf18("2","4","4","9","7","5","1") = "8"
    & skf18("2","4","4","9","7","6","1") = "8"
    & skf18("2","4","4","9","7","7","1") = "8"
    & skf18("2","4","4","9","7","8","1") = "8"
    & skf18("2","4","4","9","7","9","1") = "8"
    & skf18("2","4","4","9","7","10","1") = "9"
    & skf18("2","4","4","9","8","1","1") = "8"
    & skf18("2","4","4","9","8","2","1") = "8"
    & skf18("2","4","4","9","8","3","1") = "8"
    & skf18("2","4","4","9","8","4","1") = "8"
    & skf18("2","4","4","9","8","5","1") = "8"
    & skf18("2","4","4","9","8","6","1") = "8"
    & skf18("2","4","4","9","8","7","1") = "8"
    & skf18("2","4","4","9","8","8","1") = "8"
    & skf18("2","4","4","9","8","9","1") = "8"
    & skf18("2","4","4","9","8","10","1") = "9"
    & skf18("2","4","4","9","9","1","1") = "8"
    & skf18("2","4","4","9","9","2","1") = "8"
    & skf18("2","4","4","9","9","3","1") = "8"
    & skf18("2","4","4","9","9","4","1") = "8"
    & skf18("2","4","4","9","9","5","1") = "8"
    & skf18("2","4","4","9","9","6","1") = "8"
    & skf18("2","4","4","9","9","7","1") = "8"
    & skf18("2","4","4","9","9","8","1") = "8"
    & skf18("2","4","4","9","9","9","1") = "8"
    & skf18("2","4","4","9","9","10","1") = "9"
    & skf18("2","4","4","9","10","1","1") = "9"
    & skf18("2","4","4","9","10","2","1") = "9"
    & skf18("2","4","4","9","10","3","1") = "9"
    & skf18("2","4","4","9","10","4","1") = "9"
    & skf18("2","4","4","9","10","5","1") = "9"
    & skf18("2","4","4","9","10","6","1") = "9"
    & skf18("2","4","4","9","10","7","1") = "9"
    & skf18("2","4","4","9","10","8","1") = "9"
    & skf18("2","4","4","9","10","9","1") = "9"
    & skf18("2","4","4","9","10","10","1") = "9"
    & skf18("2","4","4","10","1","1","1") = "9"
    & skf18("2","4","4","10","1","2","1") = "9"
    & skf18("2","4","4","10","1","3","1") = "9"
    & skf18("2","4","4","10","1","4","1") = "9"
    & skf18("2","4","4","10","1","5","1") = "9"
    & skf18("2","4","4","10","1","6","1") = "9"
    & skf18("2","4","4","10","1","7","1") = "9"
    & skf18("2","4","4","10","1","8","1") = "9"
    & skf18("2","4","4","10","1","9","1") = "9"
    & skf18("2","4","4","10","1","10","1") = "9"
    & skf18("2","4","4","10","2","1","1") = "9"
    & skf18("2","4","4","10","2","2","1") = "9"
    & skf18("2","4","4","10","2","3","1") = "9"
    & skf18("2","4","4","10","2","4","1") = "9"
    & skf18("2","4","4","10","2","5","1") = "9"
    & skf18("2","4","4","10","2","6","1") = "9"
    & skf18("2","4","4","10","2","7","1") = "9"
    & skf18("2","4","4","10","2","8","1") = "9"
    & skf18("2","4","4","10","2","9","1") = "9"
    & skf18("2","4","4","10","2","10","1") = "9"
    & skf18("2","4","4","10","3","1","1") = "9"
    & skf18("2","4","4","10","3","2","1") = "9"
    & skf18("2","4","4","10","3","3","1") = "9"
    & skf18("2","4","4","10","3","4","1") = "9"
    & skf18("2","4","4","10","3","5","1") = "9"
    & skf18("2","4","4","10","3","6","1") = "9"
    & skf18("2","4","4","10","3","7","1") = "9"
    & skf18("2","4","4","10","3","8","1") = "9"
    & skf18("2","4","4","10","3","9","1") = "9"
    & skf18("2","4","4","10","3","10","1") = "9"
    & skf18("2","4","4","10","4","1","1") = "9"
    & skf18("2","4","4","10","4","2","1") = "9"
    & skf18("2","4","4","10","4","3","1") = "9"
    & skf18("2","4","4","10","4","4","1") = "9"
    & skf18("2","4","4","10","4","5","1") = "9"
    & skf18("2","4","4","10","4","6","1") = "9"
    & skf18("2","4","4","10","4","7","1") = "9"
    & skf18("2","4","4","10","4","8","1") = "9"
    & skf18("2","4","4","10","4","9","1") = "9"
    & skf18("2","4","4","10","4","10","1") = "9"
    & skf18("2","4","4","10","5","1","1") = "9"
    & skf18("2","4","4","10","5","2","1") = "9"
    & skf18("2","4","4","10","5","3","1") = "9"
    & skf18("2","4","4","10","5","4","1") = "9"
    & skf18("2","4","4","10","5","5","1") = "9"
    & skf18("2","4","4","10","5","6","1") = "9"
    & skf18("2","4","4","10","5","7","1") = "9"
    & skf18("2","4","4","10","5","8","1") = "9"
    & skf18("2","4","4","10","5","9","1") = "9"
    & skf18("2","4","4","10","5","10","1") = "9"
    & skf18("2","4","4","10","6","1","1") = "9"
    & skf18("2","4","4","10","6","2","1") = "9"
    & skf18("2","4","4","10","6","3","1") = "9"
    & skf18("2","4","4","10","6","4","1") = "9"
    & skf18("2","4","4","10","6","5","1") = "9"
    & skf18("2","4","4","10","6","6","1") = "9"
    & skf18("2","4","4","10","6","7","1") = "9"
    & skf18("2","4","4","10","6","8","1") = "9"
    & skf18("2","4","4","10","6","9","1") = "9"
    & skf18("2","4","4","10","6","10","1") = "9"
    & skf18("2","4","4","10","7","1","1") = "9"
    & skf18("2","4","4","10","7","2","1") = "9"
    & skf18("2","4","4","10","7","3","1") = "9"
    & skf18("2","4","4","10","7","4","1") = "9"
    & skf18("2","4","4","10","7","5","1") = "9"
    & skf18("2","4","4","10","7","6","1") = "9"
    & skf18("2","4","4","10","7","7","1") = "9"
    & skf18("2","4","4","10","7","8","1") = "9"
    & skf18("2","4","4","10","7","9","1") = "9"
    & skf18("2","4","4","10","7","10","1") = "9"
    & skf18("2","4","4","10","8","1","1") = "9"
    & skf18("2","4","4","10","8","2","1") = "9"
    & skf18("2","4","4","10","8","3","1") = "9"
    & skf18("2","4","4","10","8","4","1") = "9"
    & skf18("2","4","4","10","8","5","1") = "9"
    & skf18("2","4","4","10","8","6","1") = "9"
    & skf18("2","4","4","10","8","7","1") = "9"
    & skf18("2","4","4","10","8","8","1") = "9"
    & skf18("2","4","4","10","8","9","1") = "9"
    & skf18("2","4","4","10","8","10","1") = "9"
    & skf18("2","4","4","10","9","1","1") = "9"
    & skf18("2","4","4","10","9","2","1") = "9"
    & skf18("2","4","4","10","9","3","1") = "9"
    & skf18("2","4","4","10","9","4","1") = "9"
    & skf18("2","4","4","10","9","5","1") = "9"
    & skf18("2","4","4","10","9","6","1") = "9"
    & skf18("2","4","4","10","9","7","1") = "9"
    & skf18("2","4","4","10","9","8","1") = "9"
    & skf18("2","4","4","10","9","9","1") = "9"
    & skf18("2","4","4","10","9","10","1") = "9"
    & skf18("2","4","4","10","10","1","1") = "9"
    & skf18("2","4","4","10","10","2","1") = "9"
    & skf18("2","4","4","10","10","3","1") = "9"
    & skf18("2","4","4","10","10","4","1") = "9"
    & skf18("2","4","4","10","10","5","1") = "9"
    & skf18("2","4","4","10","10","6","1") = "9"
    & skf18("2","4","4","10","10","7","1") = "9"
    & skf18("2","4","4","10","10","8","1") = "9"
    & skf18("2","4","4","10","10","9","1") = "9"
    & skf18("2","4","4","10","10","10","1") = "9"
    & skf18("2","4","5","1","1","1","1") = "4"
    & skf18("2","4","5","1","1","2","1") = "4"
    & skf18("2","4","5","1","1","3","1") = "4"
    & skf18("2","4","5","1","1","4","1") = "4"
    & skf18("2","4","5","1","1","5","1") = "4"
    & skf18("2","4","5","1","1","6","1") = "5"
    & skf18("2","4","5","1","1","7","1") = "6"
    & skf18("2","4","5","1","1","8","1") = "7"
    & skf18("2","4","5","1","1","9","1") = "8"
    & skf18("2","4","5","1","1","10","1") = "9"
    & skf18("2","4","5","1","2","1","1") = "4"
    & skf18("2","4","5","1","2","2","1") = "4"
    & skf18("2","4","5","1","2","3","1") = "4"
    & skf18("2","4","5","1","2","4","1") = "4"
    & skf18("2","4","5","1","2","5","1") = "4"
    & skf18("2","4","5","1","2","6","1") = "5"
    & skf18("2","4","5","1","2","7","1") = "6"
    & skf18("2","4","5","1","2","8","1") = "7"
    & skf18("2","4","5","1","2","9","1") = "8"
    & skf18("2","4","5","1","2","10","1") = "9"
    & skf18("2","4","5","1","3","1","1") = "4"
    & skf18("2","4","5","1","3","2","1") = "4"
    & skf18("2","4","5","1","3","3","1") = "4"
    & skf18("2","4","5","1","3","4","1") = "4"
    & skf18("2","4","5","1","3","5","1") = "4"
    & skf18("2","4","5","1","3","6","1") = "5"
    & skf18("2","4","5","1","3","7","1") = "6"
    & skf18("2","4","5","1","3","8","1") = "7"
    & skf18("2","4","5","1","3","9","1") = "8"
    & skf18("2","4","5","1","3","10","1") = "9"
    & skf18("2","4","5","1","4","1","1") = "4"
    & skf18("2","4","5","1","4","2","1") = "4"
    & skf18("2","4","5","1","4","3","1") = "4"
    & skf18("2","4","5","1","4","4","1") = "4"
    & skf18("2","4","5","1","4","5","1") = "4"
    & skf18("2","4","5","1","4","6","1") = "5"
    & skf18("2","4","5","1","4","7","1") = "6"
    & skf18("2","4","5","1","4","8","1") = "7"
    & skf18("2","4","5","1","4","9","1") = "8"
    & skf18("2","4","5","1","4","10","1") = "9"
    & skf18("2","4","5","1","5","1","1") = "4"
    & skf18("2","4","5","1","5","2","1") = "4"
    & skf18("2","4","5","1","5","3","1") = "4"
    & skf18("2","4","5","1","5","4","1") = "4"
    & skf18("2","4","5","1","5","5","1") = "4"
    & skf18("2","4","5","1","5","6","1") = "5"
    & skf18("2","4","5","1","5","7","1") = "6"
    & skf18("2","4","5","1","5","8","1") = "7"
    & skf18("2","4","5","1","5","9","1") = "8"
    & skf18("2","4","5","1","5","10","1") = "9"
    & skf18("2","4","5","1","6","1","1") = "5"
    & skf18("2","4","5","1","6","2","1") = "5"
    & skf18("2","4","5","1","6","3","1") = "5"
    & skf18("2","4","5","1","6","4","1") = "5"
    & skf18("2","4","5","1","6","5","1") = "5"
    & skf18("2","4","5","1","6","6","1") = "5"
    & skf18("2","4","5","1","6","7","1") = "6"
    & skf18("2","4","5","1","6","8","1") = "7"
    & skf18("2","4","5","1","6","9","1") = "8"
    & skf18("2","4","5","1","6","10","1") = "9"
    & skf18("2","4","5","1","7","1","1") = "6"
    & skf18("2","4","5","1","7","2","1") = "6"
    & skf18("2","4","5","1","7","3","1") = "6"
    & skf18("2","4","5","1","7","4","1") = "6"
    & skf18("2","4","5","1","7","5","1") = "6"
    & skf18("2","4","5","1","7","6","1") = "6"
    & skf18("2","4","5","1","7","7","1") = "6"
    & skf18("2","4","5","1","7","8","1") = "7"
    & skf18("2","4","5","1","7","9","1") = "8"
    & skf18("2","4","5","1","7","10","1") = "9"
    & skf18("2","4","5","1","8","1","1") = "7"
    & skf18("2","4","5","1","8","2","1") = "7"
    & skf18("2","4","5","1","8","3","1") = "7"
    & skf18("2","4","5","1","8","4","1") = "7"
    & skf18("2","4","5","1","8","5","1") = "7"
    & skf18("2","4","5","1","8","6","1") = "7"
    & skf18("2","4","5","1","8","7","1") = "7"
    & skf18("2","4","5","1","8","8","1") = "7"
    & skf18("2","4","5","1","8","9","1") = "8"
    & skf18("2","4","5","1","8","10","1") = "9"
    & skf18("2","4","5","1","9","1","1") = "8"
    & skf18("2","4","5","1","9","2","1") = "8"
    & skf18("2","4","5","1","9","3","1") = "8"
    & skf18("2","4","5","1","9","4","1") = "8"
    & skf18("2","4","5","1","9","5","1") = "8"
    & skf18("2","4","5","1","9","6","1") = "8"
    & skf18("2","4","5","1","9","7","1") = "8"
    & skf18("2","4","5","1","9","8","1") = "8"
    & skf18("2","4","5","1","9","9","1") = "8"
    & skf18("2","4","5","1","9","10","1") = "9"
    & skf18("2","4","5","1","10","1","1") = "9"
    & skf18("2","4","5","1","10","2","1") = "9"
    & skf18("2","4","5","1","10","3","1") = "9"
    & skf18("2","4","5","1","10","4","1") = "9"
    & skf18("2","4","5","1","10","5","1") = "9"
    & skf18("2","4","5","1","10","6","1") = "9"
    & skf18("2","4","5","1","10","7","1") = "9"
    & skf18("2","4","5","1","10","8","1") = "9"
    & skf18("2","4","5","1","10","9","1") = "9"
    & skf18("2","4","5","1","10","10","1") = "9"
    & skf18("2","4","5","2","1","1","1") = "4"
    & skf18("2","4","5","2","1","2","1") = "4"
    & skf18("2","4","5","2","1","3","1") = "4"
    & skf18("2","4","5","2","1","4","1") = "4"
    & skf18("2","4","5","2","1","5","1") = "4"
    & skf18("2","4","5","2","1","6","1") = "5"
    & skf18("2","4","5","2","1","7","1") = "6"
    & skf18("2","4","5","2","1","8","1") = "7"
    & skf18("2","4","5","2","1","9","1") = "8"
    & skf18("2","4","5","2","1","10","1") = "9"
    & skf18("2","4","5","2","2","1","1") = "4"
    & skf18("2","4","5","2","2","2","1") = "4"
    & skf18("2","4","5","2","2","3","1") = "4"
    & skf18("2","4","5","2","2","4","1") = "4"
    & skf18("2","4","5","2","2","5","1") = "4"
    & skf18("2","4","5","2","2","6","1") = "5"
    & skf18("2","4","5","2","2","7","1") = "6"
    & skf18("2","4","5","2","2","8","1") = "7"
    & skf18("2","4","5","2","2","9","1") = "8"
    & skf18("2","4","5","2","2","10","1") = "9"
    & skf18("2","4","5","2","3","1","1") = "4"
    & skf18("2","4","5","2","3","2","1") = "4"
    & skf18("2","4","5","2","3","3","1") = "4"
    & skf18("2","4","5","2","3","4","1") = "4"
    & skf18("2","4","5","2","3","5","1") = "4"
    & skf18("2","4","5","2","3","6","1") = "5"
    & skf18("2","4","5","2","3","7","1") = "6"
    & skf18("2","4","5","2","3","8","1") = "7"
    & skf18("2","4","5","2","3","9","1") = "8"
    & skf18("2","4","5","2","3","10","1") = "9"
    & skf18("2","4","5","2","4","1","1") = "4"
    & skf18("2","4","5","2","4","2","1") = "4"
    & skf18("2","4","5","2","4","3","1") = "4"
    & skf18("2","4","5","2","4","4","1") = "4"
    & skf18("2","4","5","2","4","5","1") = "4"
    & skf18("2","4","5","2","4","6","1") = "5"
    & skf18("2","4","5","2","4","7","1") = "6"
    & skf18("2","4","5","2","4","8","1") = "7"
    & skf18("2","4","5","2","4","9","1") = "8"
    & skf18("2","4","5","2","4","10","1") = "9"
    & skf18("2","4","5","2","5","1","1") = "4"
    & skf18("2","4","5","2","5","2","1") = "4"
    & skf18("2","4","5","2","5","3","1") = "4"
    & skf18("2","4","5","2","5","4","1") = "4"
    & skf18("2","4","5","2","5","5","1") = "4"
    & skf18("2","4","5","2","5","6","1") = "5"
    & skf18("2","4","5","2","5","7","1") = "6"
    & skf18("2","4","5","2","5","8","1") = "7"
    & skf18("2","4","5","2","5","9","1") = "8"
    & skf18("2","4","5","2","5","10","1") = "9"
    & skf18("2","4","5","2","6","1","1") = "5"
    & skf18("2","4","5","2","6","2","1") = "5"
    & skf18("2","4","5","2","6","3","1") = "5"
    & skf18("2","4","5","2","6","4","1") = "5"
    & skf18("2","4","5","2","6","5","1") = "5"
    & skf18("2","4","5","2","6","6","1") = "5"
    & skf18("2","4","5","2","6","7","1") = "6"
    & skf18("2","4","5","2","6","8","1") = "7"
    & skf18("2","4","5","2","6","9","1") = "8"
    & skf18("2","4","5","2","6","10","1") = "9"
    & skf18("2","4","5","2","7","1","1") = "6"
    & skf18("2","4","5","2","7","2","1") = "6"
    & skf18("2","4","5","2","7","3","1") = "6"
    & skf18("2","4","5","2","7","4","1") = "6"
    & skf18("2","4","5","2","7","5","1") = "6"
    & skf18("2","4","5","2","7","6","1") = "6"
    & skf18("2","4","5","2","7","7","1") = "6"
    & skf18("2","4","5","2","7","8","1") = "7"
    & skf18("2","4","5","2","7","9","1") = "8"
    & skf18("2","4","5","2","7","10","1") = "9"
    & skf18("2","4","5","2","8","1","1") = "7"
    & skf18("2","4","5","2","8","2","1") = "7"
    & skf18("2","4","5","2","8","3","1") = "7"
    & skf18("2","4","5","2","8","4","1") = "7"
    & skf18("2","4","5","2","8","5","1") = "7"
    & skf18("2","4","5","2","8","6","1") = "7"
    & skf18("2","4","5","2","8","7","1") = "7"
    & skf18("2","4","5","2","8","8","1") = "7"
    & skf18("2","4","5","2","8","9","1") = "8"
    & skf18("2","4","5","2","8","10","1") = "9"
    & skf18("2","4","5","2","9","1","1") = "8"
    & skf18("2","4","5","2","9","2","1") = "8"
    & skf18("2","4","5","2","9","3","1") = "8"
    & skf18("2","4","5","2","9","4","1") = "8"
    & skf18("2","4","5","2","9","5","1") = "8"
    & skf18("2","4","5","2","9","6","1") = "8"
    & skf18("2","4","5","2","9","7","1") = "8"
    & skf18("2","4","5","2","9","8","1") = "8"
    & skf18("2","4","5","2","9","9","1") = "8"
    & skf18("2","4","5","2","9","10","1") = "9"
    & skf18("2","4","5","2","10","1","1") = "9"
    & skf18("2","4","5","2","10","2","1") = "9"
    & skf18("2","4","5","2","10","3","1") = "9"
    & skf18("2","4","5","2","10","4","1") = "9"
    & skf18("2","4","5","2","10","5","1") = "9"
    & skf18("2","4","5","2","10","6","1") = "9"
    & skf18("2","4","5","2","10","7","1") = "9"
    & skf18("2","4","5","2","10","8","1") = "9"
    & skf18("2","4","5","2","10","9","1") = "9"
    & skf18("2","4","5","2","10","10","1") = "9"
    & skf18("2","4","5","3","1","1","1") = "4"
    & skf18("2","4","5","3","1","2","1") = "4"
    & skf18("2","4","5","3","1","3","1") = "4"
    & skf18("2","4","5","3","1","4","1") = "4"
    & skf18("2","4","5","3","1","5","1") = "4"
    & skf18("2","4","5","3","1","6","1") = "5"
    & skf18("2","4","5","3","1","7","1") = "6"
    & skf18("2","4","5","3","1","8","1") = "7"
    & skf18("2","4","5","3","1","9","1") = "8"
    & skf18("2","4","5","3","1","10","1") = "9"
    & skf18("2","4","5","3","2","1","1") = "4"
    & skf18("2","4","5","3","2","2","1") = "4"
    & skf18("2","4","5","3","2","3","1") = "4"
    & skf18("2","4","5","3","2","4","1") = "4"
    & skf18("2","4","5","3","2","5","1") = "4"
    & skf18("2","4","5","3","2","6","1") = "5"
    & skf18("2","4","5","3","2","7","1") = "6"
    & skf18("2","4","5","3","2","8","1") = "7"
    & skf18("2","4","5","3","2","9","1") = "8"
    & skf18("2","4","5","3","2","10","1") = "9"
    & skf18("2","4","5","3","3","1","1") = "4"
    & skf18("2","4","5","3","3","2","1") = "4"
    & skf18("2","4","5","3","3","3","1") = "4"
    & skf18("2","4","5","3","3","4","1") = "4"
    & skf18("2","4","5","3","3","5","1") = "4"
    & skf18("2","4","5","3","3","6","1") = "5"
    & skf18("2","4","5","3","3","7","1") = "6"
    & skf18("2","4","5","3","3","8","1") = "7"
    & skf18("2","4","5","3","3","9","1") = "8"
    & skf18("2","4","5","3","3","10","1") = "9"
    & skf18("2","4","5","3","4","1","1") = "4"
    & skf18("2","4","5","3","4","2","1") = "4"
    & skf18("2","4","5","3","4","3","1") = "4"
    & skf18("2","4","5","3","4","4","1") = "4"
    & skf18("2","4","5","3","4","5","1") = "4"
    & skf18("2","4","5","3","4","6","1") = "5"
    & skf18("2","4","5","3","4","7","1") = "6"
    & skf18("2","4","5","3","4","8","1") = "7"
    & skf18("2","4","5","3","4","9","1") = "8"
    & skf18("2","4","5","3","4","10","1") = "9"
    & skf18("2","4","5","3","5","1","1") = "4"
    & skf18("2","4","5","3","5","2","1") = "4"
    & skf18("2","4","5","3","5","3","1") = "4"
    & skf18("2","4","5","3","5","4","1") = "4"
    & skf18("2","4","5","3","5","5","1") = "4"
    & skf18("2","4","5","3","5","6","1") = "5"
    & skf18("2","4","5","3","5","7","1") = "6"
    & skf18("2","4","5","3","5","8","1") = "7"
    & skf18("2","4","5","3","5","9","1") = "8"
    & skf18("2","4","5","3","5","10","1") = "9"
    & skf18("2","4","5","3","6","1","1") = "5"
    & skf18("2","4","5","3","6","2","1") = "5"
    & skf18("2","4","5","3","6","3","1") = "5"
    & skf18("2","4","5","3","6","4","1") = "5"
    & skf18("2","4","5","3","6","5","1") = "5"
    & skf18("2","4","5","3","6","6","1") = "5"
    & skf18("2","4","5","3","6","7","1") = "6"
    & skf18("2","4","5","3","6","8","1") = "7"
    & skf18("2","4","5","3","6","9","1") = "8"
    & skf18("2","4","5","3","6","10","1") = "9"
    & skf18("2","4","5","3","7","1","1") = "6"
    & skf18("2","4","5","3","7","2","1") = "6"
    & skf18("2","4","5","3","7","3","1") = "6"
    & skf18("2","4","5","3","7","4","1") = "6"
    & skf18("2","4","5","3","7","5","1") = "6"
    & skf18("2","4","5","3","7","6","1") = "6"
    & skf18("2","4","5","3","7","7","1") = "6"
    & skf18("2","4","5","3","7","8","1") = "7"
    & skf18("2","4","5","3","7","9","1") = "8"
    & skf18("2","4","5","3","7","10","1") = "9"
    & skf18("2","4","5","3","8","1","1") = "7"
    & skf18("2","4","5","3","8","2","1") = "7"
    & skf18("2","4","5","3","8","3","1") = "7"
    & skf18("2","4","5","3","8","4","1") = "7"
    & skf18("2","4","5","3","8","5","1") = "7"
    & skf18("2","4","5","3","8","6","1") = "7"
    & skf18("2","4","5","3","8","7","1") = "7"
    & skf18("2","4","5","3","8","8","1") = "7"
    & skf18("2","4","5","3","8","9","1") = "8"
    & skf18("2","4","5","3","8","10","1") = "9"
    & skf18("2","4","5","3","9","1","1") = "8"
    & skf18("2","4","5","3","9","2","1") = "8"
    & skf18("2","4","5","3","9","3","1") = "8"
    & skf18("2","4","5","3","9","4","1") = "8"
    & skf18("2","4","5","3","9","5","1") = "8"
    & skf18("2","4","5","3","9","6","1") = "8"
    & skf18("2","4","5","3","9","7","1") = "8"
    & skf18("2","4","5","3","9","8","1") = "8"
    & skf18("2","4","5","3","9","9","1") = "8"
    & skf18("2","4","5","3","9","10","1") = "9"
    & skf18("2","4","5","3","10","1","1") = "9"
    & skf18("2","4","5","3","10","2","1") = "9"
    & skf18("2","4","5","3","10","3","1") = "9"
    & skf18("2","4","5","3","10","4","1") = "9"
    & skf18("2","4","5","3","10","5","1") = "9"
    & skf18("2","4","5","3","10","6","1") = "9"
    & skf18("2","4","5","3","10","7","1") = "9"
    & skf18("2","4","5","3","10","8","1") = "9"
    & skf18("2","4","5","3","10","9","1") = "9"
    & skf18("2","4","5","3","10","10","1") = "9"
    & skf18("2","4","5","4","1","1","1") = "4"
    & skf18("2","4","5","4","1","2","1") = "4"
    & skf18("2","4","5","4","1","3","1") = "4"
    & skf18("2","4","5","4","1","4","1") = "4"
    & skf18("2","4","5","4","1","5","1") = "4"
    & skf18("2","4","5","4","1","6","1") = "5"
    & skf18("2","4","5","4","1","7","1") = "6"
    & skf18("2","4","5","4","1","8","1") = "7"
    & skf18("2","4","5","4","1","9","1") = "8"
    & skf18("2","4","5","4","1","10","1") = "9"
    & skf18("2","4","5","4","2","1","1") = "4"
    & skf18("2","4","5","4","2","2","1") = "4"
    & skf18("2","4","5","4","2","3","1") = "4"
    & skf18("2","4","5","4","2","4","1") = "4"
    & skf18("2","4","5","4","2","5","1") = "4"
    & skf18("2","4","5","4","2","6","1") = "5"
    & skf18("2","4","5","4","2","7","1") = "6"
    & skf18("2","4","5","4","2","8","1") = "7"
    & skf18("2","4","5","4","2","9","1") = "8"
    & skf18("2","4","5","4","2","10","1") = "9"
    & skf18("2","4","5","4","3","1","1") = "4"
    & skf18("2","4","5","4","3","2","1") = "4"
    & skf18("2","4","5","4","3","3","1") = "4"
    & skf18("2","4","5","4","3","4","1") = "4"
    & skf18("2","4","5","4","3","5","1") = "4"
    & skf18("2","4","5","4","3","6","1") = "5"
    & skf18("2","4","5","4","3","7","1") = "6"
    & skf18("2","4","5","4","3","8","1") = "7"
    & skf18("2","4","5","4","3","9","1") = "8"
    & skf18("2","4","5","4","3","10","1") = "9"
    & skf18("2","4","5","4","4","1","1") = "4"
    & skf18("2","4","5","4","4","2","1") = "4"
    & skf18("2","4","5","4","4","3","1") = "4"
    & skf18("2","4","5","4","4","4","1") = "4"
    & skf18("2","4","5","4","4","5","1") = "4"
    & skf18("2","4","5","4","4","6","1") = "5"
    & skf18("2","4","5","4","4","7","1") = "6"
    & skf18("2","4","5","4","4","8","1") = "7"
    & skf18("2","4","5","4","4","9","1") = "8"
    & skf18("2","4","5","4","4","10","1") = "9"
    & skf18("2","4","5","4","5","1","1") = "4"
    & skf18("2","4","5","4","5","2","1") = "4"
    & skf18("2","4","5","4","5","3","1") = "4"
    & skf18("2","4","5","4","5","4","1") = "4"
    & skf18("2","4","5","4","5","5","1") = "4"
    & skf18("2","4","5","4","5","6","1") = "5"
    & skf18("2","4","5","4","5","7","1") = "6"
    & skf18("2","4","5","4","5","8","1") = "7"
    & skf18("2","4","5","4","5","9","1") = "8"
    & skf18("2","4","5","4","5","10","1") = "9"
    & skf18("2","4","5","4","6","1","1") = "5"
    & skf18("2","4","5","4","6","2","1") = "5"
    & skf18("2","4","5","4","6","3","1") = "5"
    & skf18("2","4","5","4","6","4","1") = "5"
    & skf18("2","4","5","4","6","5","1") = "5"
    & skf18("2","4","5","4","6","6","1") = "5"
    & skf18("2","4","5","4","6","7","1") = "6"
    & skf18("2","4","5","4","6","8","1") = "7"
    & skf18("2","4","5","4","6","9","1") = "8"
    & skf18("2","4","5","4","6","10","1") = "9"
    & skf18("2","4","5","4","7","1","1") = "6"
    & skf18("2","4","5","4","7","2","1") = "6"
    & skf18("2","4","5","4","7","3","1") = "6"
    & skf18("2","4","5","4","7","4","1") = "6"
    & skf18("2","4","5","4","7","5","1") = "6"
    & skf18("2","4","5","4","7","6","1") = "6"
    & skf18("2","4","5","4","7","7","1") = "6"
    & skf18("2","4","5","4","7","8","1") = "7"
    & skf18("2","4","5","4","7","9","1") = "8"
    & skf18("2","4","5","4","7","10","1") = "9"
    & skf18("2","4","5","4","8","1","1") = "7"
    & skf18("2","4","5","4","8","2","1") = "7"
    & skf18("2","4","5","4","8","3","1") = "7"
    & skf18("2","4","5","4","8","4","1") = "7"
    & skf18("2","4","5","4","8","5","1") = "7"
    & skf18("2","4","5","4","8","6","1") = "7"
    & skf18("2","4","5","4","8","7","1") = "7"
    & skf18("2","4","5","4","8","8","1") = "7"
    & skf18("2","4","5","4","8","9","1") = "8"
    & skf18("2","4","5","4","8","10","1") = "9"
    & skf18("2","4","5","4","9","1","1") = "8"
    & skf18("2","4","5","4","9","2","1") = "8"
    & skf18("2","4","5","4","9","3","1") = "8"
    & skf18("2","4","5","4","9","4","1") = "8"
    & skf18("2","4","5","4","9","5","1") = "8"
    & skf18("2","4","5","4","9","6","1") = "8"
    & skf18("2","4","5","4","9","7","1") = "8"
    & skf18("2","4","5","4","9","8","1") = "8"
    & skf18("2","4","5","4","9","9","1") = "8"
    & skf18("2","4","5","4","9","10","1") = "9"
    & skf18("2","4","5","4","10","1","1") = "9"
    & skf18("2","4","5","4","10","2","1") = "9"
    & skf18("2","4","5","4","10","3","1") = "9"
    & skf18("2","4","5","4","10","4","1") = "9"
    & skf18("2","4","5","4","10","5","1") = "9"
    & skf18("2","4","5","4","10","6","1") = "9"
    & skf18("2","4","5","4","10","7","1") = "9"
    & skf18("2","4","5","4","10","8","1") = "9"
    & skf18("2","4","5","4","10","9","1") = "9"
    & skf18("2","4","5","4","10","10","1") = "9"
    & skf18("2","4","5","5","1","1","1") = "4"
    & skf18("2","4","5","5","1","2","1") = "4"
    & skf18("2","4","5","5","1","3","1") = "4"
    & skf18("2","4","5","5","1","4","1") = "4"
    & skf18("2","4","5","5","1","5","1") = "4"
    & skf18("2","4","5","5","1","6","1") = "5"
    & skf18("2","4","5","5","1","7","1") = "6"
    & skf18("2","4","5","5","1","8","1") = "7"
    & skf18("2","4","5","5","1","9","1") = "8"
    & skf18("2","4","5","5","1","10","1") = "9"
    & skf18("2","4","5","5","2","1","1") = "4"
    & skf18("2","4","5","5","2","2","1") = "4"
    & skf18("2","4","5","5","2","3","1") = "4"
    & skf18("2","4","5","5","2","4","1") = "4"
    & skf18("2","4","5","5","2","5","1") = "4"
    & skf18("2","4","5","5","2","6","1") = "5"
    & skf18("2","4","5","5","2","7","1") = "6"
    & skf18("2","4","5","5","2","8","1") = "7"
    & skf18("2","4","5","5","2","9","1") = "8"
    & skf18("2","4","5","5","2","10","1") = "9"
    & skf18("2","4","5","5","3","1","1") = "4"
    & skf18("2","4","5","5","3","2","1") = "4"
    & skf18("2","4","5","5","3","3","1") = "4"
    & skf18("2","4","5","5","3","4","1") = "4"
    & skf18("2","4","5","5","3","5","1") = "4"
    & skf18("2","4","5","5","3","6","1") = "5"
    & skf18("2","4","5","5","3","7","1") = "6"
    & skf18("2","4","5","5","3","8","1") = "7"
    & skf18("2","4","5","5","3","9","1") = "8"
    & skf18("2","4","5","5","3","10","1") = "9"
    & skf18("2","4","5","5","4","1","1") = "4"
    & skf18("2","4","5","5","4","2","1") = "4"
    & skf18("2","4","5","5","4","3","1") = "4"
    & skf18("2","4","5","5","4","4","1") = "4"
    & skf18("2","4","5","5","4","5","1") = "4"
    & skf18("2","4","5","5","4","6","1") = "5"
    & skf18("2","4","5","5","4","7","1") = "6"
    & skf18("2","4","5","5","4","8","1") = "7"
    & skf18("2","4","5","5","4","9","1") = "8"
    & skf18("2","4","5","5","4","10","1") = "9"
    & skf18("2","4","5","5","5","1","1") = "4"
    & skf18("2","4","5","5","5","2","1") = "4"
    & skf18("2","4","5","5","5","3","1") = "4"
    & skf18("2","4","5","5","5","4","1") = "4"
    & skf18("2","4","5","5","5","5","1") = "4"
    & skf18("2","4","5","5","5","6","1") = "5"
    & skf18("2","4","5","5","5","7","1") = "6"
    & skf18("2","4","5","5","5","8","1") = "7"
    & skf18("2","4","5","5","5","9","1") = "8"
    & skf18("2","4","5","5","5","10","1") = "9"
    & skf18("2","4","5","5","6","1","1") = "5"
    & skf18("2","4","5","5","6","2","1") = "5"
    & skf18("2","4","5","5","6","3","1") = "5"
    & skf18("2","4","5","5","6","4","1") = "5"
    & skf18("2","4","5","5","6","5","1") = "5"
    & skf18("2","4","5","5","6","6","1") = "5"
    & skf18("2","4","5","5","6","7","1") = "6"
    & skf18("2","4","5","5","6","8","1") = "7"
    & skf18("2","4","5","5","6","9","1") = "8"
    & skf18("2","4","5","5","6","10","1") = "9"
    & skf18("2","4","5","5","7","1","1") = "6"
    & skf18("2","4","5","5","7","2","1") = "6"
    & skf18("2","4","5","5","7","3","1") = "6"
    & skf18("2","4","5","5","7","4","1") = "6"
    & skf18("2","4","5","5","7","5","1") = "6"
    & skf18("2","4","5","5","7","6","1") = "6"
    & skf18("2","4","5","5","7","7","1") = "6"
    & skf18("2","4","5","5","7","8","1") = "7"
    & skf18("2","4","5","5","7","9","1") = "8"
    & skf18("2","4","5","5","7","10","1") = "9"
    & skf18("2","4","5","5","8","1","1") = "7"
    & skf18("2","4","5","5","8","2","1") = "7"
    & skf18("2","4","5","5","8","3","1") = "7"
    & skf18("2","4","5","5","8","4","1") = "7"
    & skf18("2","4","5","5","8","5","1") = "7"
    & skf18("2","4","5","5","8","6","1") = "7"
    & skf18("2","4","5","5","8","7","1") = "7"
    & skf18("2","4","5","5","8","8","1") = "7"
    & skf18("2","4","5","5","8","9","1") = "8"
    & skf18("2","4","5","5","8","10","1") = "9"
    & skf18("2","4","5","5","9","1","1") = "8"
    & skf18("2","4","5","5","9","2","1") = "8"
    & skf18("2","4","5","5","9","3","1") = "8"
    & skf18("2","4","5","5","9","4","1") = "8"
    & skf18("2","4","5","5","9","5","1") = "8"
    & skf18("2","4","5","5","9","6","1") = "8"
    & skf18("2","4","5","5","9","7","1") = "8"
    & skf18("2","4","5","5","9","8","1") = "8"
    & skf18("2","4","5","5","9","9","1") = "8"
    & skf18("2","4","5","5","9","10","1") = "9"
    & skf18("2","4","5","5","10","1","1") = "9"
    & skf18("2","4","5","5","10","2","1") = "9"
    & skf18("2","4","5","5","10","3","1") = "9"
    & skf18("2","4","5","5","10","4","1") = "9"
    & skf18("2","4","5","5","10","5","1") = "9"
    & skf18("2","4","5","5","10","6","1") = "9"
    & skf18("2","4","5","5","10","7","1") = "9"
    & skf18("2","4","5","5","10","8","1") = "9"
    & skf18("2","4","5","5","10","9","1") = "9"
    & skf18("2","4","5","5","10","10","1") = "9"
    & skf18("2","4","5","6","1","1","1") = "5"
    & skf18("2","4","5","6","1","2","1") = "5"
    & skf18("2","4","5","6","1","3","1") = "5"
    & skf18("2","4","5","6","1","4","1") = "5"
    & skf18("2","4","5","6","1","5","1") = "5"
    & skf18("2","4","5","6","1","6","1") = "5"
    & skf18("2","4","5","6","1","7","1") = "6"
    & skf18("2","4","5","6","1","8","1") = "7"
    & skf18("2","4","5","6","1","9","1") = "8"
    & skf18("2","4","5","6","1","10","1") = "9"
    & skf18("2","4","5","6","2","1","1") = "5"
    & skf18("2","4","5","6","2","2","1") = "5"
    & skf18("2","4","5","6","2","3","1") = "5"
    & skf18("2","4","5","6","2","4","1") = "5"
    & skf18("2","4","5","6","2","5","1") = "5"
    & skf18("2","4","5","6","2","6","1") = "5"
    & skf18("2","4","5","6","2","7","1") = "6"
    & skf18("2","4","5","6","2","8","1") = "7"
    & skf18("2","4","5","6","2","9","1") = "8"
    & skf18("2","4","5","6","2","10","1") = "9"
    & skf18("2","4","5","6","3","1","1") = "5"
    & skf18("2","4","5","6","3","2","1") = "5"
    & skf18("2","4","5","6","3","3","1") = "5"
    & skf18("2","4","5","6","3","4","1") = "5"
    & skf18("2","4","5","6","3","5","1") = "5"
    & skf18("2","4","5","6","3","6","1") = "5"
    & skf18("2","4","5","6","3","7","1") = "6"
    & skf18("2","4","5","6","3","8","1") = "7"
    & skf18("2","4","5","6","3","9","1") = "8"
    & skf18("2","4","5","6","3","10","1") = "9"
    & skf18("2","4","5","6","4","1","1") = "5"
    & skf18("2","4","5","6","4","2","1") = "5"
    & skf18("2","4","5","6","4","3","1") = "5"
    & skf18("2","4","5","6","4","4","1") = "5"
    & skf18("2","4","5","6","4","5","1") = "5"
    & skf18("2","4","5","6","4","6","1") = "5"
    & skf18("2","4","5","6","4","7","1") = "6"
    & skf18("2","4","5","6","4","8","1") = "7"
    & skf18("2","4","5","6","4","9","1") = "8"
    & skf18("2","4","5","6","4","10","1") = "9"
    & skf18("2","4","5","6","5","1","1") = "5"
    & skf18("2","4","5","6","5","2","1") = "5"
    & skf18("2","4","5","6","5","3","1") = "5"
    & skf18("2","4","5","6","5","4","1") = "5"
    & skf18("2","4","5","6","5","5","1") = "5"
    & skf18("2","4","5","6","5","6","1") = "5"
    & skf18("2","4","5","6","5","7","1") = "6"
    & skf18("2","4","5","6","5","8","1") = "7"
    & skf18("2","4","5","6","5","9","1") = "8"
    & skf18("2","4","5","6","5","10","1") = "9"
    & skf18("2","4","5","6","6","1","1") = "5"
    & skf18("2","4","5","6","6","2","1") = "5"
    & skf18("2","4","5","6","6","3","1") = "5"
    & skf18("2","4","5","6","6","4","1") = "5"
    & skf18("2","4","5","6","6","5","1") = "5"
    & skf18("2","4","5","6","6","6","1") = "5"
    & skf18("2","4","5","6","6","7","1") = "6"
    & skf18("2","4","5","6","6","8","1") = "7"
    & skf18("2","4","5","6","6","9","1") = "8"
    & skf18("2","4","5","6","6","10","1") = "9"
    & skf18("2","4","5","6","7","1","1") = "6"
    & skf18("2","4","5","6","7","2","1") = "6"
    & skf18("2","4","5","6","7","3","1") = "6"
    & skf18("2","4","5","6","7","4","1") = "6"
    & skf18("2","4","5","6","7","5","1") = "6"
    & skf18("2","4","5","6","7","6","1") = "6"
    & skf18("2","4","5","6","7","7","1") = "6"
    & skf18("2","4","5","6","7","8","1") = "7"
    & skf18("2","4","5","6","7","9","1") = "8"
    & skf18("2","4","5","6","7","10","1") = "9"
    & skf18("2","4","5","6","8","1","1") = "7"
    & skf18("2","4","5","6","8","2","1") = "7"
    & skf18("2","4","5","6","8","3","1") = "7"
    & skf18("2","4","5","6","8","4","1") = "7"
    & skf18("2","4","5","6","8","5","1") = "7"
    & skf18("2","4","5","6","8","6","1") = "7"
    & skf18("2","4","5","6","8","7","1") = "7"
    & skf18("2","4","5","6","8","8","1") = "7"
    & skf18("2","4","5","6","8","9","1") = "8"
    & skf18("2","4","5","6","8","10","1") = "9"
    & skf18("2","4","5","6","9","1","1") = "8"
    & skf18("2","4","5","6","9","2","1") = "8"
    & skf18("2","4","5","6","9","3","1") = "8"
    & skf18("2","4","5","6","9","4","1") = "8"
    & skf18("2","4","5","6","9","5","1") = "8"
    & skf18("2","4","5","6","9","6","1") = "8"
    & skf18("2","4","5","6","9","7","1") = "8"
    & skf18("2","4","5","6","9","8","1") = "8"
    & skf18("2","4","5","6","9","9","1") = "8"
    & skf18("2","4","5","6","9","10","1") = "9"
    & skf18("2","4","5","6","10","1","1") = "9"
    & skf18("2","4","5","6","10","2","1") = "9"
    & skf18("2","4","5","6","10","3","1") = "9"
    & skf18("2","4","5","6","10","4","1") = "9"
    & skf18("2","4","5","6","10","5","1") = "9"
    & skf18("2","4","5","6","10","6","1") = "9"
    & skf18("2","4","5","6","10","7","1") = "9"
    & skf18("2","4","5","6","10","8","1") = "9"
    & skf18("2","4","5","6","10","9","1") = "9"
    & skf18("2","4","5","6","10","10","1") = "9"
    & skf18("2","4","5","7","1","1","1") = "6"
    & skf18("2","4","5","7","1","2","1") = "6"
    & skf18("2","4","5","7","1","3","1") = "6"
    & skf18("2","4","5","7","1","4","1") = "6"
    & skf18("2","4","5","7","1","5","1") = "6"
    & skf18("2","4","5","7","1","6","1") = "6"
    & skf18("2","4","5","7","1","7","1") = "6"
    & skf18("2","4","5","7","1","8","1") = "7"
    & skf18("2","4","5","7","1","9","1") = "8"
    & skf18("2","4","5","7","1","10","1") = "9"
    & skf18("2","4","5","7","2","1","1") = "6"
    & skf18("2","4","5","7","2","2","1") = "6"
    & skf18("2","4","5","7","2","3","1") = "6"
    & skf18("2","4","5","7","2","4","1") = "6"
    & skf18("2","4","5","7","2","5","1") = "6"
    & skf18("2","4","5","7","2","6","1") = "6"
    & skf18("2","4","5","7","2","7","1") = "6"
    & skf18("2","4","5","7","2","8","1") = "7"
    & skf18("2","4","5","7","2","9","1") = "8"
    & skf18("2","4","5","7","2","10","1") = "9"
    & skf18("2","4","5","7","3","1","1") = "6"
    & skf18("2","4","5","7","3","2","1") = "6"
    & skf18("2","4","5","7","3","3","1") = "6"
    & skf18("2","4","5","7","3","4","1") = "6"
    & skf18("2","4","5","7","3","5","1") = "6"
    & skf18("2","4","5","7","3","6","1") = "6"
    & skf18("2","4","5","7","3","7","1") = "6"
    & skf18("2","4","5","7","3","8","1") = "7"
    & skf18("2","4","5","7","3","9","1") = "8"
    & skf18("2","4","5","7","3","10","1") = "9"
    & skf18("2","4","5","7","4","1","1") = "6"
    & skf18("2","4","5","7","4","2","1") = "6"
    & skf18("2","4","5","7","4","3","1") = "6"
    & skf18("2","4","5","7","4","4","1") = "6"
    & skf18("2","4","5","7","4","5","1") = "6"
    & skf18("2","4","5","7","4","6","1") = "6"
    & skf18("2","4","5","7","4","7","1") = "6"
    & skf18("2","4","5","7","4","8","1") = "7"
    & skf18("2","4","5","7","4","9","1") = "8"
    & skf18("2","4","5","7","4","10","1") = "9"
    & skf18("2","4","5","7","5","1","1") = "6"
    & skf18("2","4","5","7","5","2","1") = "6"
    & skf18("2","4","5","7","5","3","1") = "6"
    & skf18("2","4","5","7","5","4","1") = "6"
    & skf18("2","4","5","7","5","5","1") = "6"
    & skf18("2","4","5","7","5","6","1") = "6"
    & skf18("2","4","5","7","5","7","1") = "6"
    & skf18("2","4","5","7","5","8","1") = "7"
    & skf18("2","4","5","7","5","9","1") = "8"
    & skf18("2","4","5","7","5","10","1") = "9"
    & skf18("2","4","5","7","6","1","1") = "6"
    & skf18("2","4","5","7","6","2","1") = "6"
    & skf18("2","4","5","7","6","3","1") = "6"
    & skf18("2","4","5","7","6","4","1") = "6"
    & skf18("2","4","5","7","6","5","1") = "6"
    & skf18("2","4","5","7","6","6","1") = "6"
    & skf18("2","4","5","7","6","7","1") = "6"
    & skf18("2","4","5","7","6","8","1") = "7"
    & skf18("2","4","5","7","6","9","1") = "8"
    & skf18("2","4","5","7","6","10","1") = "9"
    & skf18("2","4","5","7","7","1","1") = "6"
    & skf18("2","4","5","7","7","2","1") = "6"
    & skf18("2","4","5","7","7","3","1") = "6"
    & skf18("2","4","5","7","7","4","1") = "6"
    & skf18("2","4","5","7","7","5","1") = "6"
    & skf18("2","4","5","7","7","6","1") = "6"
    & skf18("2","4","5","7","7","7","1") = "6"
    & skf18("2","4","5","7","7","8","1") = "7"
    & skf18("2","4","5","7","7","9","1") = "8"
    & skf18("2","4","5","7","7","10","1") = "9"
    & skf18("2","4","5","7","8","1","1") = "7"
    & skf18("2","4","5","7","8","2","1") = "7"
    & skf18("2","4","5","7","8","3","1") = "7"
    & skf18("2","4","5","7","8","4","1") = "7"
    & skf18("2","4","5","7","8","5","1") = "7"
    & skf18("2","4","5","7","8","6","1") = "7"
    & skf18("2","4","5","7","8","7","1") = "7"
    & skf18("2","4","5","7","8","8","1") = "7"
    & skf18("2","4","5","7","8","9","1") = "8"
    & skf18("2","4","5","7","8","10","1") = "9"
    & skf18("2","4","5","7","9","1","1") = "8"
    & skf18("2","4","5","7","9","2","1") = "8"
    & skf18("2","4","5","7","9","3","1") = "8"
    & skf18("2","4","5","7","9","4","1") = "8"
    & skf18("2","4","5","7","9","5","1") = "8"
    & skf18("2","4","5","7","9","6","1") = "8"
    & skf18("2","4","5","7","9","7","1") = "8"
    & skf18("2","4","5","7","9","8","1") = "8"
    & skf18("2","4","5","7","9","9","1") = "8"
    & skf18("2","4","5","7","9","10","1") = "9"
    & skf18("2","4","5","7","10","1","1") = "9"
    & skf18("2","4","5","7","10","2","1") = "9"
    & skf18("2","4","5","7","10","3","1") = "9"
    & skf18("2","4","5","7","10","4","1") = "9"
    & skf18("2","4","5","7","10","5","1") = "9"
    & skf18("2","4","5","7","10","6","1") = "9"
    & skf18("2","4","5","7","10","7","1") = "9"
    & skf18("2","4","5","7","10","8","1") = "9"
    & skf18("2","4","5","7","10","9","1") = "9"
    & skf18("2","4","5","7","10","10","1") = "9"
    & skf18("2","4","5","8","1","1","1") = "7"
    & skf18("2","4","5","8","1","2","1") = "7"
    & skf18("2","4","5","8","1","3","1") = "7"
    & skf18("2","4","5","8","1","4","1") = "7"
    & skf18("2","4","5","8","1","5","1") = "7"
    & skf18("2","4","5","8","1","6","1") = "7"
    & skf18("2","4","5","8","1","7","1") = "7"
    & skf18("2","4","5","8","1","8","1") = "7"
    & skf18("2","4","5","8","1","9","1") = "8"
    & skf18("2","4","5","8","1","10","1") = "9"
    & skf18("2","4","5","8","2","1","1") = "7"
    & skf18("2","4","5","8","2","2","1") = "7"
    & skf18("2","4","5","8","2","3","1") = "7"
    & skf18("2","4","5","8","2","4","1") = "7"
    & skf18("2","4","5","8","2","5","1") = "7"
    & skf18("2","4","5","8","2","6","1") = "7"
    & skf18("2","4","5","8","2","7","1") = "7"
    & skf18("2","4","5","8","2","8","1") = "7"
    & skf18("2","4","5","8","2","9","1") = "8"
    & skf18("2","4","5","8","2","10","1") = "9"
    & skf18("2","4","5","8","3","1","1") = "7"
    & skf18("2","4","5","8","3","2","1") = "7"
    & skf18("2","4","5","8","3","3","1") = "7"
    & skf18("2","4","5","8","3","4","1") = "7"
    & skf18("2","4","5","8","3","5","1") = "7"
    & skf18("2","4","5","8","3","6","1") = "7"
    & skf18("2","4","5","8","3","7","1") = "7"
    & skf18("2","4","5","8","3","8","1") = "7"
    & skf18("2","4","5","8","3","9","1") = "8"
    & skf18("2","4","5","8","3","10","1") = "9"
    & skf18("2","4","5","8","4","1","1") = "7"
    & skf18("2","4","5","8","4","2","1") = "7"
    & skf18("2","4","5","8","4","3","1") = "7"
    & skf18("2","4","5","8","4","4","1") = "7"
    & skf18("2","4","5","8","4","5","1") = "7"
    & skf18("2","4","5","8","4","6","1") = "7"
    & skf18("2","4","5","8","4","7","1") = "7"
    & skf18("2","4","5","8","4","8","1") = "7"
    & skf18("2","4","5","8","4","9","1") = "8"
    & skf18("2","4","5","8","4","10","1") = "9"
    & skf18("2","4","5","8","5","1","1") = "7"
    & skf18("2","4","5","8","5","2","1") = "7"
    & skf18("2","4","5","8","5","3","1") = "7"
    & skf18("2","4","5","8","5","4","1") = "7"
    & skf18("2","4","5","8","5","5","1") = "7"
    & skf18("2","4","5","8","5","6","1") = "7"
    & skf18("2","4","5","8","5","7","1") = "7"
    & skf18("2","4","5","8","5","8","1") = "7"
    & skf18("2","4","5","8","5","9","1") = "8"
    & skf18("2","4","5","8","5","10","1") = "9"
    & skf18("2","4","5","8","6","1","1") = "7"
    & skf18("2","4","5","8","6","2","1") = "7"
    & skf18("2","4","5","8","6","3","1") = "7"
    & skf18("2","4","5","8","6","4","1") = "7"
    & skf18("2","4","5","8","6","5","1") = "7"
    & skf18("2","4","5","8","6","6","1") = "7"
    & skf18("2","4","5","8","6","7","1") = "7"
    & skf18("2","4","5","8","6","8","1") = "7"
    & skf18("2","4","5","8","6","9","1") = "8"
    & skf18("2","4","5","8","6","10","1") = "9"
    & skf18("2","4","5","8","7","1","1") = "7"
    & skf18("2","4","5","8","7","2","1") = "7"
    & skf18("2","4","5","8","7","3","1") = "7"
    & skf18("2","4","5","8","7","4","1") = "7"
    & skf18("2","4","5","8","7","5","1") = "7"
    & skf18("2","4","5","8","7","6","1") = "7"
    & skf18("2","4","5","8","7","7","1") = "7"
    & skf18("2","4","5","8","7","8","1") = "7"
    & skf18("2","4","5","8","7","9","1") = "8"
    & skf18("2","4","5","8","7","10","1") = "9"
    & skf18("2","4","5","8","8","1","1") = "7"
    & skf18("2","4","5","8","8","2","1") = "7"
    & skf18("2","4","5","8","8","3","1") = "7"
    & skf18("2","4","5","8","8","4","1") = "7"
    & skf18("2","4","5","8","8","5","1") = "7"
    & skf18("2","4","5","8","8","6","1") = "7"
    & skf18("2","4","5","8","8","7","1") = "7"
    & skf18("2","4","5","8","8","8","1") = "7"
    & skf18("2","4","5","8","8","9","1") = "8"
    & skf18("2","4","5","8","8","10","1") = "9"
    & skf18("2","4","5","8","9","1","1") = "8"
    & skf18("2","4","5","8","9","2","1") = "8"
    & skf18("2","4","5","8","9","3","1") = "8"
    & skf18("2","4","5","8","9","4","1") = "8"
    & skf18("2","4","5","8","9","5","1") = "8"
    & skf18("2","4","5","8","9","6","1") = "8"
    & skf18("2","4","5","8","9","7","1") = "8"
    & skf18("2","4","5","8","9","8","1") = "8"
    & skf18("2","4","5","8","9","9","1") = "8"
    & skf18("2","4","5","8","9","10","1") = "9"
    & skf18("2","4","5","8","10","1","1") = "9"
    & skf18("2","4","5","8","10","2","1") = "9"
    & skf18("2","4","5","8","10","3","1") = "9"
    & skf18("2","4","5","8","10","4","1") = "9"
    & skf18("2","4","5","8","10","5","1") = "9"
    & skf18("2","4","5","8","10","6","1") = "9"
    & skf18("2","4","5","8","10","7","1") = "9"
    & skf18("2","4","5","8","10","8","1") = "9"
    & skf18("2","4","5","8","10","9","1") = "9"
    & skf18("2","4","5","8","10","10","1") = "9"
    & skf18("2","4","5","9","1","1","1") = "8"
    & skf18("2","4","5","9","1","2","1") = "8"
    & skf18("2","4","5","9","1","3","1") = "8"
    & skf18("2","4","5","9","1","4","1") = "8"
    & skf18("2","4","5","9","1","5","1") = "8"
    & skf18("2","4","5","9","1","6","1") = "8"
    & skf18("2","4","5","9","1","7","1") = "8"
    & skf18("2","4","5","9","1","8","1") = "8"
    & skf18("2","4","5","9","1","9","1") = "8"
    & skf18("2","4","5","9","1","10","1") = "9"
    & skf18("2","4","5","9","2","1","1") = "8"
    & skf18("2","4","5","9","2","2","1") = "8"
    & skf18("2","4","5","9","2","3","1") = "8"
    & skf18("2","4","5","9","2","4","1") = "8"
    & skf18("2","4","5","9","2","5","1") = "8"
    & skf18("2","4","5","9","2","6","1") = "8"
    & skf18("2","4","5","9","2","7","1") = "8"
    & skf18("2","4","5","9","2","8","1") = "8"
    & skf18("2","4","5","9","2","9","1") = "8"
    & skf18("2","4","5","9","2","10","1") = "9"
    & skf18("2","4","5","9","3","1","1") = "8"
    & skf18("2","4","5","9","3","2","1") = "8"
    & skf18("2","4","5","9","3","3","1") = "8"
    & skf18("2","4","5","9","3","4","1") = "8"
    & skf18("2","4","5","9","3","5","1") = "8"
    & skf18("2","4","5","9","3","6","1") = "8"
    & skf18("2","4","5","9","3","7","1") = "8"
    & skf18("2","4","5","9","3","8","1") = "8"
    & skf18("2","4","5","9","3","9","1") = "8"
    & skf18("2","4","5","9","3","10","1") = "9"
    & skf18("2","4","5","9","4","1","1") = "8"
    & skf18("2","4","5","9","4","2","1") = "8"
    & skf18("2","4","5","9","4","3","1") = "8"
    & skf18("2","4","5","9","4","4","1") = "8"
    & skf18("2","4","5","9","4","5","1") = "8"
    & skf18("2","4","5","9","4","6","1") = "8"
    & skf18("2","4","5","9","4","7","1") = "8"
    & skf18("2","4","5","9","4","8","1") = "8"
    & skf18("2","4","5","9","4","9","1") = "8"
    & skf18("2","4","5","9","4","10","1") = "9"
    & skf18("2","4","5","9","5","1","1") = "8"
    & skf18("2","4","5","9","5","2","1") = "8"
    & skf18("2","4","5","9","5","3","1") = "8"
    & skf18("2","4","5","9","5","4","1") = "8"
    & skf18("2","4","5","9","5","5","1") = "8"
    & skf18("2","4","5","9","5","6","1") = "8"
    & skf18("2","4","5","9","5","7","1") = "8"
    & skf18("2","4","5","9","5","8","1") = "8"
    & skf18("2","4","5","9","5","9","1") = "8"
    & skf18("2","4","5","9","5","10","1") = "9"
    & skf18("2","4","5","9","6","1","1") = "8"
    & skf18("2","4","5","9","6","2","1") = "8"
    & skf18("2","4","5","9","6","3","1") = "8"
    & skf18("2","4","5","9","6","4","1") = "8"
    & skf18("2","4","5","9","6","5","1") = "8"
    & skf18("2","4","5","9","6","6","1") = "8"
    & skf18("2","4","5","9","6","7","1") = "8"
    & skf18("2","4","5","9","6","8","1") = "8"
    & skf18("2","4","5","9","6","9","1") = "8"
    & skf18("2","4","5","9","6","10","1") = "9"
    & skf18("2","4","5","9","7","1","1") = "8"
    & skf18("2","4","5","9","7","2","1") = "8"
    & skf18("2","4","5","9","7","3","1") = "8"
    & skf18("2","4","5","9","7","4","1") = "8"
    & skf18("2","4","5","9","7","5","1") = "8"
    & skf18("2","4","5","9","7","6","1") = "8"
    & skf18("2","4","5","9","7","7","1") = "8"
    & skf18("2","4","5","9","7","8","1") = "8"
    & skf18("2","4","5","9","7","9","1") = "8"
    & skf18("2","4","5","9","7","10","1") = "9"
    & skf18("2","4","5","9","8","1","1") = "8"
    & skf18("2","4","5","9","8","2","1") = "8"
    & skf18("2","4","5","9","8","3","1") = "8"
    & skf18("2","4","5","9","8","4","1") = "8"
    & skf18("2","4","5","9","8","5","1") = "8"
    & skf18("2","4","5","9","8","6","1") = "8"
    & skf18("2","4","5","9","8","7","1") = "8"
    & skf18("2","4","5","9","8","8","1") = "8"
    & skf18("2","4","5","9","8","9","1") = "8"
    & skf18("2","4","5","9","8","10","1") = "9"
    & skf18("2","4","5","9","9","1","1") = "8"
    & skf18("2","4","5","9","9","2","1") = "8"
    & skf18("2","4","5","9","9","3","1") = "8"
    & skf18("2","4","5","9","9","4","1") = "8"
    & skf18("2","4","5","9","9","5","1") = "8"
    & skf18("2","4","5","9","9","6","1") = "8"
    & skf18("2","4","5","9","9","7","1") = "8"
    & skf18("2","4","5","9","9","8","1") = "8"
    & skf18("2","4","5","9","9","9","1") = "8"
    & skf18("2","4","5","9","9","10","1") = "9"
    & skf18("2","4","5","9","10","1","1") = "9"
    & skf18("2","4","5","9","10","2","1") = "9"
    & skf18("2","4","5","9","10","3","1") = "9"
    & skf18("2","4","5","9","10","4","1") = "9"
    & skf18("2","4","5","9","10","5","1") = "9"
    & skf18("2","4","5","9","10","6","1") = "9"
    & skf18("2","4","5","9","10","7","1") = "9"
    & skf18("2","4","5","9","10","8","1") = "9"
    & skf18("2","4","5","9","10","9","1") = "9"
    & skf18("2","4","5","9","10","10","1") = "9"
    & skf18("2","4","5","10","1","1","1") = "9"
    & skf18("2","4","5","10","1","2","1") = "9"
    & skf18("2","4","5","10","1","3","1") = "9"
    & skf18("2","4","5","10","1","4","1") = "9"
    & skf18("2","4","5","10","1","5","1") = "9"
    & skf18("2","4","5","10","1","6","1") = "9"
    & skf18("2","4","5","10","1","7","1") = "9"
    & skf18("2","4","5","10","1","8","1") = "9"
    & skf18("2","4","5","10","1","9","1") = "9"
    & skf18("2","4","5","10","1","10","1") = "9"
    & skf18("2","4","5","10","2","1","1") = "9"
    & skf18("2","4","5","10","2","2","1") = "9"
    & skf18("2","4","5","10","2","3","1") = "9"
    & skf18("2","4","5","10","2","4","1") = "9"
    & skf18("2","4","5","10","2","5","1") = "9"
    & skf18("2","4","5","10","2","6","1") = "9"
    & skf18("2","4","5","10","2","7","1") = "9"
    & skf18("2","4","5","10","2","8","1") = "9"
    & skf18("2","4","5","10","2","9","1") = "9"
    & skf18("2","4","5","10","2","10","1") = "9"
    & skf18("2","4","5","10","3","1","1") = "9"
    & skf18("2","4","5","10","3","2","1") = "9"
    & skf18("2","4","5","10","3","3","1") = "9"
    & skf18("2","4","5","10","3","4","1") = "9"
    & skf18("2","4","5","10","3","5","1") = "9"
    & skf18("2","4","5","10","3","6","1") = "9"
    & skf18("2","4","5","10","3","7","1") = "9"
    & skf18("2","4","5","10","3","8","1") = "9"
    & skf18("2","4","5","10","3","9","1") = "9"
    & skf18("2","4","5","10","3","10","1") = "9"
    & skf18("2","4","5","10","4","1","1") = "9"
    & skf18("2","4","5","10","4","2","1") = "9"
    & skf18("2","4","5","10","4","3","1") = "9"
    & skf18("2","4","5","10","4","4","1") = "9"
    & skf18("2","4","5","10","4","5","1") = "9"
    & skf18("2","4","5","10","4","6","1") = "9"
    & skf18("2","4","5","10","4","7","1") = "9"
    & skf18("2","4","5","10","4","8","1") = "9"
    & skf18("2","4","5","10","4","9","1") = "9"
    & skf18("2","4","5","10","4","10","1") = "9"
    & skf18("2","4","5","10","5","1","1") = "9"
    & skf18("2","4","5","10","5","2","1") = "9"
    & skf18("2","4","5","10","5","3","1") = "9"
    & skf18("2","4","5","10","5","4","1") = "9"
    & skf18("2","4","5","10","5","5","1") = "9"
    & skf18("2","4","5","10","5","6","1") = "9"
    & skf18("2","4","5","10","5","7","1") = "9"
    & skf18("2","4","5","10","5","8","1") = "9"
    & skf18("2","4","5","10","5","9","1") = "9"
    & skf18("2","4","5","10","5","10","1") = "9"
    & skf18("2","4","5","10","6","1","1") = "9"
    & skf18("2","4","5","10","6","2","1") = "9"
    & skf18("2","4","5","10","6","3","1") = "9"
    & skf18("2","4","5","10","6","4","1") = "9"
    & skf18("2","4","5","10","6","5","1") = "9"
    & skf18("2","4","5","10","6","6","1") = "9"
    & skf18("2","4","5","10","6","7","1") = "9"
    & skf18("2","4","5","10","6","8","1") = "9"
    & skf18("2","4","5","10","6","9","1") = "9"
    & skf18("2","4","5","10","6","10","1") = "9"
    & skf18("2","4","5","10","7","1","1") = "9"
    & skf18("2","4","5","10","7","2","1") = "9"
    & skf18("2","4","5","10","7","3","1") = "9"
    & skf18("2","4","5","10","7","4","1") = "9"
    & skf18("2","4","5","10","7","5","1") = "9"
    & skf18("2","4","5","10","7","6","1") = "9"
    & skf18("2","4","5","10","7","7","1") = "9"
    & skf18("2","4","5","10","7","8","1") = "9"
    & skf18("2","4","5","10","7","9","1") = "9"
    & skf18("2","4","5","10","7","10","1") = "9"
    & skf18("2","4","5","10","8","1","1") = "9"
    & skf18("2","4","5","10","8","2","1") = "9"
    & skf18("2","4","5","10","8","3","1") = "9"
    & skf18("2","4","5","10","8","4","1") = "9"
    & skf18("2","4","5","10","8","5","1") = "9"
    & skf18("2","4","5","10","8","6","1") = "9"
    & skf18("2","4","5","10","8","7","1") = "9"
    & skf18("2","4","5","10","8","8","1") = "9"
    & skf18("2","4","5","10","8","9","1") = "9"
    & skf18("2","4","5","10","8","10","1") = "9"
    & skf18("2","4","5","10","9","1","1") = "9"
    & skf18("2","4","5","10","9","2","1") = "9"
    & skf18("2","4","5","10","9","3","1") = "9"
    & skf18("2","4","5","10","9","4","1") = "9"
    & skf18("2","4","5","10","9","5","1") = "9"
    & skf18("2","4","5","10","9","6","1") = "9"
    & skf18("2","4","5","10","9","7","1") = "9"
    & skf18("2","4","5","10","9","8","1") = "9"
    & skf18("2","4","5","10","9","9","1") = "9"
    & skf18("2","4","5","10","9","10","1") = "9"
    & skf18("2","4","5","10","10","1","1") = "9"
    & skf18("2","4","5","10","10","2","1") = "9"
    & skf18("2","4","5","10","10","3","1") = "9"
    & skf18("2","4","5","10","10","4","1") = "9"
    & skf18("2","4","5","10","10","5","1") = "9"
    & skf18("2","4","5","10","10","6","1") = "9"
    & skf18("2","4","5","10","10","7","1") = "9"
    & skf18("2","4","5","10","10","8","1") = "9"
    & skf18("2","4","5","10","10","9","1") = "9"
    & skf18("2","4","5","10","10","10","1") = "9"
    & skf18("2","4","6","1","1","1","1") = "5"
    & skf18("2","4","6","1","1","2","1") = "5"
    & skf18("2","4","6","1","1","3","1") = "5"
    & skf18("2","4","6","1","1","4","1") = "5"
    & skf18("2","4","6","1","1","5","1") = "5"
    & skf18("2","4","6","1","1","6","1") = "5"
    & skf18("2","4","6","1","1","7","1") = "6"
    & skf18("2","4","6","1","1","8","1") = "7"
    & skf18("2","4","6","1","1","9","1") = "8"
    & skf18("2","4","6","1","1","10","1") = "9"
    & skf18("2","4","6","1","2","1","1") = "5"
    & skf18("2","4","6","1","2","2","1") = "5"
    & skf18("2","4","6","1","2","3","1") = "5"
    & skf18("2","4","6","1","2","4","1") = "5"
    & skf18("2","4","6","1","2","5","1") = "5"
    & skf18("2","4","6","1","2","6","1") = "5"
    & skf18("2","4","6","1","2","7","1") = "6"
    & skf18("2","4","6","1","2","8","1") = "7"
    & skf18("2","4","6","1","2","9","1") = "8"
    & skf18("2","4","6","1","2","10","1") = "9"
    & skf18("2","4","6","1","3","1","1") = "5"
    & skf18("2","4","6","1","3","2","1") = "5"
    & skf18("2","4","6","1","3","3","1") = "5"
    & skf18("2","4","6","1","3","4","1") = "5"
    & skf18("2","4","6","1","3","5","1") = "5"
    & skf18("2","4","6","1","3","6","1") = "5"
    & skf18("2","4","6","1","3","7","1") = "6"
    & skf18("2","4","6","1","3","8","1") = "7"
    & skf18("2","4","6","1","3","9","1") = "8"
    & skf18("2","4","6","1","3","10","1") = "9"
    & skf18("2","4","6","1","4","1","1") = "5"
    & skf18("2","4","6","1","4","2","1") = "5"
    & skf18("2","4","6","1","4","3","1") = "5"
    & skf18("2","4","6","1","4","4","1") = "5"
    & skf18("2","4","6","1","4","5","1") = "5"
    & skf18("2","4","6","1","4","6","1") = "5"
    & skf18("2","4","6","1","4","7","1") = "6"
    & skf18("2","4","6","1","4","8","1") = "7"
    & skf18("2","4","6","1","4","9","1") = "8"
    & skf18("2","4","6","1","4","10","1") = "9"
    & skf18("2","4","6","1","5","1","1") = "5"
    & skf18("2","4","6","1","5","2","1") = "5"
    & skf18("2","4","6","1","5","3","1") = "5"
    & skf18("2","4","6","1","5","4","1") = "5"
    & skf18("2","4","6","1","5","5","1") = "5"
    & skf18("2","4","6","1","5","6","1") = "5"
    & skf18("2","4","6","1","5","7","1") = "6"
    & skf18("2","4","6","1","5","8","1") = "7"
    & skf18("2","4","6","1","5","9","1") = "8"
    & skf18("2","4","6","1","5","10","1") = "9"
    & skf18("2","4","6","1","6","1","1") = "5"
    & skf18("2","4","6","1","6","2","1") = "5"
    & skf18("2","4","6","1","6","3","1") = "5"
    & skf18("2","4","6","1","6","4","1") = "5"
    & skf18("2","4","6","1","6","5","1") = "5"
    & skf18("2","4","6","1","6","6","1") = "5"
    & skf18("2","4","6","1","6","7","1") = "6"
    & skf18("2","4","6","1","6","8","1") = "7"
    & skf18("2","4","6","1","6","9","1") = "8"
    & skf18("2","4","6","1","6","10","1") = "9"
    & skf18("2","4","6","1","7","1","1") = "6"
    & skf18("2","4","6","1","7","2","1") = "6"
    & skf18("2","4","6","1","7","3","1") = "6"
    & skf18("2","4","6","1","7","4","1") = "6"
    & skf18("2","4","6","1","7","5","1") = "6"
    & skf18("2","4","6","1","7","6","1") = "6"
    & skf18("2","4","6","1","7","7","1") = "6"
    & skf18("2","4","6","1","7","8","1") = "7"
    & skf18("2","4","6","1","7","9","1") = "8"
    & skf18("2","4","6","1","7","10","1") = "9"
    & skf18("2","4","6","1","8","1","1") = "7"
    & skf18("2","4","6","1","8","2","1") = "7"
    & skf18("2","4","6","1","8","3","1") = "7"
    & skf18("2","4","6","1","8","4","1") = "7"
    & skf18("2","4","6","1","8","5","1") = "7"
    & skf18("2","4","6","1","8","6","1") = "7"
    & skf18("2","4","6","1","8","7","1") = "7"
    & skf18("2","4","6","1","8","8","1") = "7"
    & skf18("2","4","6","1","8","9","1") = "8"
    & skf18("2","4","6","1","8","10","1") = "9"
    & skf18("2","4","6","1","9","1","1") = "8"
    & skf18("2","4","6","1","9","2","1") = "8"
    & skf18("2","4","6","1","9","3","1") = "8"
    & skf18("2","4","6","1","9","4","1") = "8"
    & skf18("2","4","6","1","9","5","1") = "8"
    & skf18("2","4","6","1","9","6","1") = "8"
    & skf18("2","4","6","1","9","7","1") = "8"
    & skf18("2","4","6","1","9","8","1") = "8"
    & skf18("2","4","6","1","9","9","1") = "8"
    & skf18("2","4","6","1","9","10","1") = "9"
    & skf18("2","4","6","1","10","1","1") = "9"
    & skf18("2","4","6","1","10","2","1") = "9"
    & skf18("2","4","6","1","10","3","1") = "9"
    & skf18("2","4","6","1","10","4","1") = "9"
    & skf18("2","4","6","1","10","5","1") = "9"
    & skf18("2","4","6","1","10","6","1") = "9"
    & skf18("2","4","6","1","10","7","1") = "9"
    & skf18("2","4","6","1","10","8","1") = "9"
    & skf18("2","4","6","1","10","9","1") = "9"
    & skf18("2","4","6","1","10","10","1") = "9"
    & skf18("2","4","6","2","1","1","1") = "5"
    & skf18("2","4","6","2","1","2","1") = "5"
    & skf18("2","4","6","2","1","3","1") = "5"
    & skf18("2","4","6","2","1","4","1") = "5"
    & skf18("2","4","6","2","1","5","1") = "5"
    & skf18("2","4","6","2","1","6","1") = "5"
    & skf18("2","4","6","2","1","7","1") = "6"
    & skf18("2","4","6","2","1","8","1") = "7"
    & skf18("2","4","6","2","1","9","1") = "8"
    & skf18("2","4","6","2","1","10","1") = "9"
    & skf18("2","4","6","2","2","1","1") = "5"
    & skf18("2","4","6","2","2","2","1") = "5"
    & skf18("2","4","6","2","2","3","1") = "5"
    & skf18("2","4","6","2","2","4","1") = "5"
    & skf18("2","4","6","2","2","5","1") = "5"
    & skf18("2","4","6","2","2","6","1") = "5"
    & skf18("2","4","6","2","2","7","1") = "6"
    & skf18("2","4","6","2","2","8","1") = "7"
    & skf18("2","4","6","2","2","9","1") = "8"
    & skf18("2","4","6","2","2","10","1") = "9"
    & skf18("2","4","6","2","3","1","1") = "5"
    & skf18("2","4","6","2","3","2","1") = "5"
    & skf18("2","4","6","2","3","3","1") = "5"
    & skf18("2","4","6","2","3","4","1") = "5"
    & skf18("2","4","6","2","3","5","1") = "5"
    & skf18("2","4","6","2","3","6","1") = "5"
    & skf18("2","4","6","2","3","7","1") = "6"
    & skf18("2","4","6","2","3","8","1") = "7"
    & skf18("2","4","6","2","3","9","1") = "8"
    & skf18("2","4","6","2","3","10","1") = "9"
    & skf18("2","4","6","2","4","1","1") = "5"
    & skf18("2","4","6","2","4","2","1") = "5"
    & skf18("2","4","6","2","4","3","1") = "5"
    & skf18("2","4","6","2","4","4","1") = "5"
    & skf18("2","4","6","2","4","5","1") = "5"
    & skf18("2","4","6","2","4","6","1") = "5"
    & skf18("2","4","6","2","4","7","1") = "6"
    & skf18("2","4","6","2","4","8","1") = "7"
    & skf18("2","4","6","2","4","9","1") = "8"
    & skf18("2","4","6","2","4","10","1") = "9"
    & skf18("2","4","6","2","5","1","1") = "5"
    & skf18("2","4","6","2","5","2","1") = "5"
    & skf18("2","4","6","2","5","3","1") = "5"
    & skf18("2","4","6","2","5","4","1") = "5"
    & skf18("2","4","6","2","5","5","1") = "5"
    & skf18("2","4","6","2","5","6","1") = "5"
    & skf18("2","4","6","2","5","7","1") = "6"
    & skf18("2","4","6","2","5","8","1") = "7"
    & skf18("2","4","6","2","5","9","1") = "8"
    & skf18("2","4","6","2","5","10","1") = "9"
    & skf18("2","4","6","2","6","1","1") = "5"
    & skf18("2","4","6","2","6","2","1") = "5"
    & skf18("2","4","6","2","6","3","1") = "5"
    & skf18("2","4","6","2","6","4","1") = "5"
    & skf18("2","4","6","2","6","5","1") = "5"
    & skf18("2","4","6","2","6","6","1") = "5"
    & skf18("2","4","6","2","6","7","1") = "6"
    & skf18("2","4","6","2","6","8","1") = "7"
    & skf18("2","4","6","2","6","9","1") = "8"
    & skf18("2","4","6","2","6","10","1") = "9"
    & skf18("2","4","6","2","7","1","1") = "6"
    & skf18("2","4","6","2","7","2","1") = "6"
    & skf18("2","4","6","2","7","3","1") = "6"
    & skf18("2","4","6","2","7","4","1") = "6"
    & skf18("2","4","6","2","7","5","1") = "6"
    & skf18("2","4","6","2","7","6","1") = "6"
    & skf18("2","4","6","2","7","7","1") = "6"
    & skf18("2","4","6","2","7","8","1") = "7"
    & skf18("2","4","6","2","7","9","1") = "8"
    & skf18("2","4","6","2","7","10","1") = "9"
    & skf18("2","4","6","2","8","1","1") = "7"
    & skf18("2","4","6","2","8","2","1") = "7"
    & skf18("2","4","6","2","8","3","1") = "7"
    & skf18("2","4","6","2","8","4","1") = "7"
    & skf18("2","4","6","2","8","5","1") = "7"
    & skf18("2","4","6","2","8","6","1") = "7"
    & skf18("2","4","6","2","8","7","1") = "7"
    & skf18("2","4","6","2","8","8","1") = "7"
    & skf18("2","4","6","2","8","9","1") = "8"
    & skf18("2","4","6","2","8","10","1") = "9"
    & skf18("2","4","6","2","9","1","1") = "8"
    & skf18("2","4","6","2","9","2","1") = "8"
    & skf18("2","4","6","2","9","3","1") = "8"
    & skf18("2","4","6","2","9","4","1") = "8"
    & skf18("2","4","6","2","9","5","1") = "8"
    & skf18("2","4","6","2","9","6","1") = "8"
    & skf18("2","4","6","2","9","7","1") = "8"
    & skf18("2","4","6","2","9","8","1") = "8"
    & skf18("2","4","6","2","9","9","1") = "8"
    & skf18("2","4","6","2","9","10","1") = "9"
    & skf18("2","4","6","2","10","1","1") = "9"
    & skf18("2","4","6","2","10","2","1") = "9"
    & skf18("2","4","6","2","10","3","1") = "9"
    & skf18("2","4","6","2","10","4","1") = "9"
    & skf18("2","4","6","2","10","5","1") = "9"
    & skf18("2","4","6","2","10","6","1") = "9"
    & skf18("2","4","6","2","10","7","1") = "9"
    & skf18("2","4","6","2","10","8","1") = "9"
    & skf18("2","4","6","2","10","9","1") = "9"
    & skf18("2","4","6","2","10","10","1") = "9"
    & skf18("2","4","6","3","1","1","1") = "5"
    & skf18("2","4","6","3","1","2","1") = "5"
    & skf18("2","4","6","3","1","3","1") = "5"
    & skf18("2","4","6","3","1","4","1") = "5"
    & skf18("2","4","6","3","1","5","1") = "5"
    & skf18("2","4","6","3","1","6","1") = "5"
    & skf18("2","4","6","3","1","7","1") = "6"
    & skf18("2","4","6","3","1","8","1") = "7"
    & skf18("2","4","6","3","1","9","1") = "8"
    & skf18("2","4","6","3","1","10","1") = "9"
    & skf18("2","4","6","3","2","1","1") = "5"
    & skf18("2","4","6","3","2","2","1") = "5"
    & skf18("2","4","6","3","2","3","1") = "5"
    & skf18("2","4","6","3","2","4","1") = "5"
    & skf18("2","4","6","3","2","5","1") = "5"
    & skf18("2","4","6","3","2","6","1") = "5"
    & skf18("2","4","6","3","2","7","1") = "6"
    & skf18("2","4","6","3","2","8","1") = "7"
    & skf18("2","4","6","3","2","9","1") = "8"
    & skf18("2","4","6","3","2","10","1") = "9"
    & skf18("2","4","6","3","3","1","1") = "5"
    & skf18("2","4","6","3","3","2","1") = "5"
    & skf18("2","4","6","3","3","3","1") = "5"
    & skf18("2","4","6","3","3","4","1") = "5"
    & skf18("2","4","6","3","3","5","1") = "5"
    & skf18("2","4","6","3","3","6","1") = "5"
    & skf18("2","4","6","3","3","7","1") = "6"
    & skf18("2","4","6","3","3","8","1") = "7"
    & skf18("2","4","6","3","3","9","1") = "8"
    & skf18("2","4","6","3","3","10","1") = "9"
    & skf18("2","4","6","3","4","1","1") = "5"
    & skf18("2","4","6","3","4","2","1") = "5"
    & skf18("2","4","6","3","4","3","1") = "5"
    & skf18("2","4","6","3","4","4","1") = "5"
    & skf18("2","4","6","3","4","5","1") = "5"
    & skf18("2","4","6","3","4","6","1") = "5"
    & skf18("2","4","6","3","4","7","1") = "6"
    & skf18("2","4","6","3","4","8","1") = "7"
    & skf18("2","4","6","3","4","9","1") = "8"
    & skf18("2","4","6","3","4","10","1") = "9"
    & skf18("2","4","6","3","5","1","1") = "5"
    & skf18("2","4","6","3","5","2","1") = "5"
    & skf18("2","4","6","3","5","3","1") = "5"
    & skf18("2","4","6","3","5","4","1") = "5"
    & skf18("2","4","6","3","5","5","1") = "5"
    & skf18("2","4","6","3","5","6","1") = "5"
    & skf18("2","4","6","3","5","7","1") = "6"
    & skf18("2","4","6","3","5","8","1") = "7"
    & skf18("2","4","6","3","5","9","1") = "8"
    & skf18("2","4","6","3","5","10","1") = "9"
    & skf18("2","4","6","3","6","1","1") = "5"
    & skf18("2","4","6","3","6","2","1") = "5"
    & skf18("2","4","6","3","6","3","1") = "5"
    & skf18("2","4","6","3","6","4","1") = "5"
    & skf18("2","4","6","3","6","5","1") = "5"
    & skf18("2","4","6","3","6","6","1") = "5"
    & skf18("2","4","6","3","6","7","1") = "6"
    & skf18("2","4","6","3","6","8","1") = "7"
    & skf18("2","4","6","3","6","9","1") = "8"
    & skf18("2","4","6","3","6","10","1") = "9"
    & skf18("2","4","6","3","7","1","1") = "6"
    & skf18("2","4","6","3","7","2","1") = "6"
    & skf18("2","4","6","3","7","3","1") = "6"
    & skf18("2","4","6","3","7","4","1") = "6"
    & skf18("2","4","6","3","7","5","1") = "6"
    & skf18("2","4","6","3","7","6","1") = "6"
    & skf18("2","4","6","3","7","7","1") = "6"
    & skf18("2","4","6","3","7","8","1") = "7"
    & skf18("2","4","6","3","7","9","1") = "8"
    & skf18("2","4","6","3","7","10","1") = "9"
    & skf18("2","4","6","3","8","1","1") = "7"
    & skf18("2","4","6","3","8","2","1") = "7"
    & skf18("2","4","6","3","8","3","1") = "7"
    & skf18("2","4","6","3","8","4","1") = "7"
    & skf18("2","4","6","3","8","5","1") = "7"
    & skf18("2","4","6","3","8","6","1") = "7"
    & skf18("2","4","6","3","8","7","1") = "7"
    & skf18("2","4","6","3","8","8","1") = "7"
    & skf18("2","4","6","3","8","9","1") = "8"
    & skf18("2","4","6","3","8","10","1") = "9"
    & skf18("2","4","6","3","9","1","1") = "8"
    & skf18("2","4","6","3","9","2","1") = "8"
    & skf18("2","4","6","3","9","3","1") = "8"
    & skf18("2","4","6","3","9","4","1") = "8"
    & skf18("2","4","6","3","9","5","1") = "8"
    & skf18("2","4","6","3","9","6","1") = "8"
    & skf18("2","4","6","3","9","7","1") = "8"
    & skf18("2","4","6","3","9","8","1") = "8"
    & skf18("2","4","6","3","9","9","1") = "8"
    & skf18("2","4","6","3","9","10","1") = "9"
    & skf18("2","4","6","3","10","1","1") = "9"
    & skf18("2","4","6","3","10","2","1") = "9"
    & skf18("2","4","6","3","10","3","1") = "9"
    & skf18("2","4","6","3","10","4","1") = "9"
    & skf18("2","4","6","3","10","5","1") = "9"
    & skf18("2","4","6","3","10","6","1") = "9"
    & skf18("2","4","6","3","10","7","1") = "9"
    & skf18("2","4","6","3","10","8","1") = "9"
    & skf18("2","4","6","3","10","9","1") = "9"
    & skf18("2","4","6","3","10","10","1") = "9"
    & skf18("2","4","6","4","1","1","1") = "5"
    & skf18("2","4","6","4","1","2","1") = "5"
    & skf18("2","4","6","4","1","3","1") = "5"
    & skf18("2","4","6","4","1","4","1") = "5"
    & skf18("2","4","6","4","1","5","1") = "5"
    & skf18("2","4","6","4","1","6","1") = "5"
    & skf18("2","4","6","4","1","7","1") = "6"
    & skf18("2","4","6","4","1","8","1") = "7"
    & skf18("2","4","6","4","1","9","1") = "8"
    & skf18("2","4","6","4","1","10","1") = "9"
    & skf18("2","4","6","4","2","1","1") = "5"
    & skf18("2","4","6","4","2","2","1") = "5"
    & skf18("2","4","6","4","2","3","1") = "5"
    & skf18("2","4","6","4","2","4","1") = "5"
    & skf18("2","4","6","4","2","5","1") = "5"
    & skf18("2","4","6","4","2","6","1") = "5"
    & skf18("2","4","6","4","2","7","1") = "6"
    & skf18("2","4","6","4","2","8","1") = "7"
    & skf18("2","4","6","4","2","9","1") = "8"
    & skf18("2","4","6","4","2","10","1") = "9"
    & skf18("2","4","6","4","3","1","1") = "5"
    & skf18("2","4","6","4","3","2","1") = "5"
    & skf18("2","4","6","4","3","3","1") = "5"
    & skf18("2","4","6","4","3","4","1") = "5"
    & skf18("2","4","6","4","3","5","1") = "5"
    & skf18("2","4","6","4","3","6","1") = "5"
    & skf18("2","4","6","4","3","7","1") = "6"
    & skf18("2","4","6","4","3","8","1") = "7"
    & skf18("2","4","6","4","3","9","1") = "8"
    & skf18("2","4","6","4","3","10","1") = "9"
    & skf18("2","4","6","4","4","1","1") = "5"
    & skf18("2","4","6","4","4","2","1") = "5"
    & skf18("2","4","6","4","4","3","1") = "5"
    & skf18("2","4","6","4","4","4","1") = "5"
    & skf18("2","4","6","4","4","5","1") = "5"
    & skf18("2","4","6","4","4","6","1") = "5"
    & skf18("2","4","6","4","4","7","1") = "6"
    & skf18("2","4","6","4","4","8","1") = "7"
    & skf18("2","4","6","4","4","9","1") = "8"
    & skf18("2","4","6","4","4","10","1") = "9"
    & skf18("2","4","6","4","5","1","1") = "5"
    & skf18("2","4","6","4","5","2","1") = "5"
    & skf18("2","4","6","4","5","3","1") = "5"
    & skf18("2","4","6","4","5","4","1") = "5"
    & skf18("2","4","6","4","5","5","1") = "5"
    & skf18("2","4","6","4","5","6","1") = "5"
    & skf18("2","4","6","4","5","7","1") = "6"
    & skf18("2","4","6","4","5","8","1") = "7"
    & skf18("2","4","6","4","5","9","1") = "8"
    & skf18("2","4","6","4","5","10","1") = "9"
    & skf18("2","4","6","4","6","1","1") = "5"
    & skf18("2","4","6","4","6","2","1") = "5"
    & skf18("2","4","6","4","6","3","1") = "5"
    & skf18("2","4","6","4","6","4","1") = "5"
    & skf18("2","4","6","4","6","5","1") = "5"
    & skf18("2","4","6","4","6","6","1") = "5"
    & skf18("2","4","6","4","6","7","1") = "6"
    & skf18("2","4","6","4","6","8","1") = "7"
    & skf18("2","4","6","4","6","9","1") = "8"
    & skf18("2","4","6","4","6","10","1") = "9"
    & skf18("2","4","6","4","7","1","1") = "6"
    & skf18("2","4","6","4","7","2","1") = "6"
    & skf18("2","4","6","4","7","3","1") = "6"
    & skf18("2","4","6","4","7","4","1") = "6"
    & skf18("2","4","6","4","7","5","1") = "6"
    & skf18("2","4","6","4","7","6","1") = "6"
    & skf18("2","4","6","4","7","7","1") = "6"
    & skf18("2","4","6","4","7","8","1") = "7"
    & skf18("2","4","6","4","7","9","1") = "8"
    & skf18("2","4","6","4","7","10","1") = "9"
    & skf18("2","4","6","4","8","1","1") = "7"
    & skf18("2","4","6","4","8","2","1") = "7"
    & skf18("2","4","6","4","8","3","1") = "7"
    & skf18("2","4","6","4","8","4","1") = "7"
    & skf18("2","4","6","4","8","5","1") = "7"
    & skf18("2","4","6","4","8","6","1") = "7"
    & skf18("2","4","6","4","8","7","1") = "7"
    & skf18("2","4","6","4","8","8","1") = "7"
    & skf18("2","4","6","4","8","9","1") = "8"
    & skf18("2","4","6","4","8","10","1") = "9"
    & skf18("2","4","6","4","9","1","1") = "8"
    & skf18("2","4","6","4","9","2","1") = "8"
    & skf18("2","4","6","4","9","3","1") = "8"
    & skf18("2","4","6","4","9","4","1") = "8"
    & skf18("2","4","6","4","9","5","1") = "8"
    & skf18("2","4","6","4","9","6","1") = "8"
    & skf18("2","4","6","4","9","7","1") = "8"
    & skf18("2","4","6","4","9","8","1") = "8"
    & skf18("2","4","6","4","9","9","1") = "8"
    & skf18("2","4","6","4","9","10","1") = "9"
    & skf18("2","4","6","4","10","1","1") = "9"
    & skf18("2","4","6","4","10","2","1") = "9"
    & skf18("2","4","6","4","10","3","1") = "9"
    & skf18("2","4","6","4","10","4","1") = "9"
    & skf18("2","4","6","4","10","5","1") = "9"
    & skf18("2","4","6","4","10","6","1") = "9"
    & skf18("2","4","6","4","10","7","1") = "9"
    & skf18("2","4","6","4","10","8","1") = "9"
    & skf18("2","4","6","4","10","9","1") = "9"
    & skf18("2","4","6","4","10","10","1") = "9"
    & skf18("2","4","6","5","1","1","1") = "5"
    & skf18("2","4","6","5","1","2","1") = "5"
    & skf18("2","4","6","5","1","3","1") = "5"
    & skf18("2","4","6","5","1","4","1") = "5"
    & skf18("2","4","6","5","1","5","1") = "5"
    & skf18("2","4","6","5","1","6","1") = "5"
    & skf18("2","4","6","5","1","7","1") = "6"
    & skf18("2","4","6","5","1","8","1") = "7"
    & skf18("2","4","6","5","1","9","1") = "8"
    & skf18("2","4","6","5","1","10","1") = "9"
    & skf18("2","4","6","5","2","1","1") = "5"
    & skf18("2","4","6","5","2","2","1") = "5"
    & skf18("2","4","6","5","2","3","1") = "5"
    & skf18("2","4","6","5","2","4","1") = "5"
    & skf18("2","4","6","5","2","5","1") = "5"
    & skf18("2","4","6","5","2","6","1") = "5"
    & skf18("2","4","6","5","2","7","1") = "6"
    & skf18("2","4","6","5","2","8","1") = "7"
    & skf18("2","4","6","5","2","9","1") = "8"
    & skf18("2","4","6","5","2","10","1") = "9"
    & skf18("2","4","6","5","3","1","1") = "5"
    & skf18("2","4","6","5","3","2","1") = "5"
    & skf18("2","4","6","5","3","3","1") = "5"
    & skf18("2","4","6","5","3","4","1") = "5"
    & skf18("2","4","6","5","3","5","1") = "5"
    & skf18("2","4","6","5","3","6","1") = "5"
    & skf18("2","4","6","5","3","7","1") = "6"
    & skf18("2","4","6","5","3","8","1") = "7"
    & skf18("2","4","6","5","3","9","1") = "8"
    & skf18("2","4","6","5","3","10","1") = "9"
    & skf18("2","4","6","5","4","1","1") = "5"
    & skf18("2","4","6","5","4","2","1") = "5"
    & skf18("2","4","6","5","4","3","1") = "5"
    & skf18("2","4","6","5","4","4","1") = "5"
    & skf18("2","4","6","5","4","5","1") = "5"
    & skf18("2","4","6","5","4","6","1") = "5"
    & skf18("2","4","6","5","4","7","1") = "6"
    & skf18("2","4","6","5","4","8","1") = "7"
    & skf18("2","4","6","5","4","9","1") = "8"
    & skf18("2","4","6","5","4","10","1") = "9"
    & skf18("2","4","6","5","5","1","1") = "5"
    & skf18("2","4","6","5","5","2","1") = "5"
    & skf18("2","4","6","5","5","3","1") = "5"
    & skf18("2","4","6","5","5","4","1") = "5"
    & skf18("2","4","6","5","5","5","1") = "5"
    & skf18("2","4","6","5","5","6","1") = "5"
    & skf18("2","4","6","5","5","7","1") = "6"
    & skf18("2","4","6","5","5","8","1") = "7"
    & skf18("2","4","6","5","5","9","1") = "8"
    & skf18("2","4","6","5","5","10","1") = "9"
    & skf18("2","4","6","5","6","1","1") = "5"
    & skf18("2","4","6","5","6","2","1") = "5"
    & skf18("2","4","6","5","6","3","1") = "5"
    & skf18("2","4","6","5","6","4","1") = "5"
    & skf18("2","4","6","5","6","5","1") = "5"
    & skf18("2","4","6","5","6","6","1") = "5"
    & skf18("2","4","6","5","6","7","1") = "6"
    & skf18("2","4","6","5","6","8","1") = "7"
    & skf18("2","4","6","5","6","9","1") = "8"
    & skf18("2","4","6","5","6","10","1") = "9"
    & skf18("2","4","6","5","7","1","1") = "6"
    & skf18("2","4","6","5","7","2","1") = "6"
    & skf18("2","4","6","5","7","3","1") = "6"
    & skf18("2","4","6","5","7","4","1") = "6"
    & skf18("2","4","6","5","7","5","1") = "6"
    & skf18("2","4","6","5","7","6","1") = "6"
    & skf18("2","4","6","5","7","7","1") = "6"
    & skf18("2","4","6","5","7","8","1") = "7"
    & skf18("2","4","6","5","7","9","1") = "8"
    & skf18("2","4","6","5","7","10","1") = "9"
    & skf18("2","4","6","5","8","1","1") = "7"
    & skf18("2","4","6","5","8","2","1") = "7"
    & skf18("2","4","6","5","8","3","1") = "7"
    & skf18("2","4","6","5","8","4","1") = "7"
    & skf18("2","4","6","5","8","5","1") = "7"
    & skf18("2","4","6","5","8","6","1") = "7"
    & skf18("2","4","6","5","8","7","1") = "7"
    & skf18("2","4","6","5","8","8","1") = "7"
    & skf18("2","4","6","5","8","9","1") = "8"
    & skf18("2","4","6","5","8","10","1") = "9"
    & skf18("2","4","6","5","9","1","1") = "8"
    & skf18("2","4","6","5","9","2","1") = "8"
    & skf18("2","4","6","5","9","3","1") = "8"
    & skf18("2","4","6","5","9","4","1") = "8"
    & skf18("2","4","6","5","9","5","1") = "8"
    & skf18("2","4","6","5","9","6","1") = "8"
    & skf18("2","4","6","5","9","7","1") = "8"
    & skf18("2","4","6","5","9","8","1") = "8"
    & skf18("2","4","6","5","9","9","1") = "8"
    & skf18("2","4","6","5","9","10","1") = "9"
    & skf18("2","4","6","5","10","1","1") = "9"
    & skf18("2","4","6","5","10","2","1") = "9"
    & skf18("2","4","6","5","10","3","1") = "9"
    & skf18("2","4","6","5","10","4","1") = "9"
    & skf18("2","4","6","5","10","5","1") = "9"
    & skf18("2","4","6","5","10","6","1") = "9"
    & skf18("2","4","6","5","10","7","1") = "9"
    & skf18("2","4","6","5","10","8","1") = "9"
    & skf18("2","4","6","5","10","9","1") = "9"
    & skf18("2","4","6","5","10","10","1") = "9"
    & skf18("2","4","6","6","1","1","1") = "5"
    & skf18("2","4","6","6","1","2","1") = "5"
    & skf18("2","4","6","6","1","3","1") = "5"
    & skf18("2","4","6","6","1","4","1") = "5"
    & skf18("2","4","6","6","1","5","1") = "5"
    & skf18("2","4","6","6","1","6","1") = "5"
    & skf18("2","4","6","6","1","7","1") = "6"
    & skf18("2","4","6","6","1","8","1") = "7"
    & skf18("2","4","6","6","1","9","1") = "8"
    & skf18("2","4","6","6","1","10","1") = "9"
    & skf18("2","4","6","6","2","1","1") = "5"
    & skf18("2","4","6","6","2","2","1") = "5"
    & skf18("2","4","6","6","2","3","1") = "5"
    & skf18("2","4","6","6","2","4","1") = "5"
    & skf18("2","4","6","6","2","5","1") = "5"
    & skf18("2","4","6","6","2","6","1") = "5"
    & skf18("2","4","6","6","2","7","1") = "6"
    & skf18("2","4","6","6","2","8","1") = "7"
    & skf18("2","4","6","6","2","9","1") = "8"
    & skf18("2","4","6","6","2","10","1") = "9"
    & skf18("2","4","6","6","3","1","1") = "5"
    & skf18("2","4","6","6","3","2","1") = "5"
    & skf18("2","4","6","6","3","3","1") = "5"
    & skf18("2","4","6","6","3","4","1") = "5"
    & skf18("2","4","6","6","3","5","1") = "5"
    & skf18("2","4","6","6","3","6","1") = "5"
    & skf18("2","4","6","6","3","7","1") = "6"
    & skf18("2","4","6","6","3","8","1") = "7"
    & skf18("2","4","6","6","3","9","1") = "8"
    & skf18("2","4","6","6","3","10","1") = "9"
    & skf18("2","4","6","6","4","1","1") = "5"
    & skf18("2","4","6","6","4","2","1") = "5"
    & skf18("2","4","6","6","4","3","1") = "5"
    & skf18("2","4","6","6","4","4","1") = "5"
    & skf18("2","4","6","6","4","5","1") = "5"
    & skf18("2","4","6","6","4","6","1") = "5"
    & skf18("2","4","6","6","4","7","1") = "6"
    & skf18("2","4","6","6","4","8","1") = "7"
    & skf18("2","4","6","6","4","9","1") = "8"
    & skf18("2","4","6","6","4","10","1") = "9"
    & skf18("2","4","6","6","5","1","1") = "5"
    & skf18("2","4","6","6","5","2","1") = "5"
    & skf18("2","4","6","6","5","3","1") = "5"
    & skf18("2","4","6","6","5","4","1") = "5"
    & skf18("2","4","6","6","5","5","1") = "5"
    & skf18("2","4","6","6","5","6","1") = "5"
    & skf18("2","4","6","6","5","7","1") = "6"
    & skf18("2","4","6","6","5","8","1") = "7"
    & skf18("2","4","6","6","5","9","1") = "8"
    & skf18("2","4","6","6","5","10","1") = "9"
    & skf18("2","4","6","6","6","1","1") = "5"
    & skf18("2","4","6","6","6","2","1") = "5"
    & skf18("2","4","6","6","6","3","1") = "5"
    & skf18("2","4","6","6","6","4","1") = "5"
    & skf18("2","4","6","6","6","5","1") = "5"
    & skf18("2","4","6","6","6","6","1") = "5"
    & skf18("2","4","6","6","6","7","1") = "6"
    & skf18("2","4","6","6","6","8","1") = "7"
    & skf18("2","4","6","6","6","9","1") = "8"
    & skf18("2","4","6","6","6","10","1") = "9"
    & skf18("2","4","6","6","7","1","1") = "6"
    & skf18("2","4","6","6","7","2","1") = "6"
    & skf18("2","4","6","6","7","3","1") = "6"
    & skf18("2","4","6","6","7","4","1") = "6"
    & skf18("2","4","6","6","7","5","1") = "6"
    & skf18("2","4","6","6","7","6","1") = "6"
    & skf18("2","4","6","6","7","7","1") = "6"
    & skf18("2","4","6","6","7","8","1") = "7"
    & skf18("2","4","6","6","7","9","1") = "8"
    & skf18("2","4","6","6","7","10","1") = "9"
    & skf18("2","4","6","6","8","1","1") = "7"
    & skf18("2","4","6","6","8","2","1") = "7"
    & skf18("2","4","6","6","8","3","1") = "7"
    & skf18("2","4","6","6","8","4","1") = "7"
    & skf18("2","4","6","6","8","5","1") = "7"
    & skf18("2","4","6","6","8","6","1") = "7"
    & skf18("2","4","6","6","8","7","1") = "7"
    & skf18("2","4","6","6","8","8","1") = "7"
    & skf18("2","4","6","6","8","9","1") = "8"
    & skf18("2","4","6","6","8","10","1") = "9"
    & skf18("2","4","6","6","9","1","1") = "8"
    & skf18("2","4","6","6","9","2","1") = "8"
    & skf18("2","4","6","6","9","3","1") = "8"
    & skf18("2","4","6","6","9","4","1") = "8"
    & skf18("2","4","6","6","9","5","1") = "8"
    & skf18("2","4","6","6","9","6","1") = "8"
    & skf18("2","4","6","6","9","7","1") = "8"
    & skf18("2","4","6","6","9","8","1") = "8"
    & skf18("2","4","6","6","9","9","1") = "8"
    & skf18("2","4","6","6","9","10","1") = "9"
    & skf18("2","4","6","6","10","1","1") = "9"
    & skf18("2","4","6","6","10","2","1") = "9"
    & skf18("2","4","6","6","10","3","1") = "9"
    & skf18("2","4","6","6","10","4","1") = "9"
    & skf18("2","4","6","6","10","5","1") = "9"
    & skf18("2","4","6","6","10","6","1") = "9"
    & skf18("2","4","6","6","10","7","1") = "9"
    & skf18("2","4","6","6","10","8","1") = "9"
    & skf18("2","4","6","6","10","9","1") = "9"
    & skf18("2","4","6","6","10","10","1") = "9"
    & skf18("2","4","6","7","1","1","1") = "6"
    & skf18("2","4","6","7","1","2","1") = "6"
    & skf18("2","4","6","7","1","3","1") = "6"
    & skf18("2","4","6","7","1","4","1") = "6"
    & skf18("2","4","6","7","1","5","1") = "6"
    & skf18("2","4","6","7","1","6","1") = "6"
    & skf18("2","4","6","7","1","7","1") = "6"
    & skf18("2","4","6","7","1","8","1") = "7"
    & skf18("2","4","6","7","1","9","1") = "8"
    & skf18("2","4","6","7","1","10","1") = "9"
    & skf18("2","4","6","7","2","1","1") = "6"
    & skf18("2","4","6","7","2","2","1") = "6"
    & skf18("2","4","6","7","2","3","1") = "6"
    & skf18("2","4","6","7","2","4","1") = "6"
    & skf18("2","4","6","7","2","5","1") = "6"
    & skf18("2","4","6","7","2","6","1") = "6"
    & skf18("2","4","6","7","2","7","1") = "6"
    & skf18("2","4","6","7","2","8","1") = "7"
    & skf18("2","4","6","7","2","9","1") = "8"
    & skf18("2","4","6","7","2","10","1") = "9"
    & skf18("2","4","6","7","3","1","1") = "6"
    & skf18("2","4","6","7","3","2","1") = "6"
    & skf18("2","4","6","7","3","3","1") = "6"
    & skf18("2","4","6","7","3","4","1") = "6"
    & skf18("2","4","6","7","3","5","1") = "6"
    & skf18("2","4","6","7","3","6","1") = "6"
    & skf18("2","4","6","7","3","7","1") = "6"
    & skf18("2","4","6","7","3","8","1") = "7"
    & skf18("2","4","6","7","3","9","1") = "8"
    & skf18("2","4","6","7","3","10","1") = "9"
    & skf18("2","4","6","7","4","1","1") = "6"
    & skf18("2","4","6","7","4","2","1") = "6"
    & skf18("2","4","6","7","4","3","1") = "6"
    & skf18("2","4","6","7","4","4","1") = "6"
    & skf18("2","4","6","7","4","5","1") = "6"
    & skf18("2","4","6","7","4","6","1") = "6"
    & skf18("2","4","6","7","4","7","1") = "6"
    & skf18("2","4","6","7","4","8","1") = "7"
    & skf18("2","4","6","7","4","9","1") = "8"
    & skf18("2","4","6","7","4","10","1") = "9"
    & skf18("2","4","6","7","5","1","1") = "6"
    & skf18("2","4","6","7","5","2","1") = "6"
    & skf18("2","4","6","7","5","3","1") = "6"
    & skf18("2","4","6","7","5","4","1") = "6"
    & skf18("2","4","6","7","5","5","1") = "6"
    & skf18("2","4","6","7","5","6","1") = "6"
    & skf18("2","4","6","7","5","7","1") = "6"
    & skf18("2","4","6","7","5","8","1") = "7"
    & skf18("2","4","6","7","5","9","1") = "8"
    & skf18("2","4","6","7","5","10","1") = "9"
    & skf18("2","4","6","7","6","1","1") = "6"
    & skf18("2","4","6","7","6","2","1") = "6"
    & skf18("2","4","6","7","6","3","1") = "6"
    & skf18("2","4","6","7","6","4","1") = "6"
    & skf18("2","4","6","7","6","5","1") = "6"
    & skf18("2","4","6","7","6","6","1") = "6"
    & skf18("2","4","6","7","6","7","1") = "6"
    & skf18("2","4","6","7","6","8","1") = "7"
    & skf18("2","4","6","7","6","9","1") = "8"
    & skf18("2","4","6","7","6","10","1") = "9"
    & skf18("2","4","6","7","7","1","1") = "6"
    & skf18("2","4","6","7","7","2","1") = "6"
    & skf18("2","4","6","7","7","3","1") = "6"
    & skf18("2","4","6","7","7","4","1") = "6"
    & skf18("2","4","6","7","7","5","1") = "6"
    & skf18("2","4","6","7","7","6","1") = "6"
    & skf18("2","4","6","7","7","7","1") = "6"
    & skf18("2","4","6","7","7","8","1") = "7"
    & skf18("2","4","6","7","7","9","1") = "8"
    & skf18("2","4","6","7","7","10","1") = "9"
    & skf18("2","4","6","7","8","1","1") = "7"
    & skf18("2","4","6","7","8","2","1") = "7"
    & skf18("2","4","6","7","8","3","1") = "7"
    & skf18("2","4","6","7","8","4","1") = "7"
    & skf18("2","4","6","7","8","5","1") = "7"
    & skf18("2","4","6","7","8","6","1") = "7"
    & skf18("2","4","6","7","8","7","1") = "7"
    & skf18("2","4","6","7","8","8","1") = "7"
    & skf18("2","4","6","7","8","9","1") = "8"
    & skf18("2","4","6","7","8","10","1") = "9"
    & skf18("2","4","6","7","9","1","1") = "8"
    & skf18("2","4","6","7","9","2","1") = "8"
    & skf18("2","4","6","7","9","3","1") = "8"
    & skf18("2","4","6","7","9","4","1") = "8"
    & skf18("2","4","6","7","9","5","1") = "8"
    & skf18("2","4","6","7","9","6","1") = "8"
    & skf18("2","4","6","7","9","7","1") = "8"
    & skf18("2","4","6","7","9","8","1") = "8"
    & skf18("2","4","6","7","9","9","1") = "8"
    & skf18("2","4","6","7","9","10","1") = "9"
    & skf18("2","4","6","7","10","1","1") = "9"
    & skf18("2","4","6","7","10","2","1") = "9"
    & skf18("2","4","6","7","10","3","1") = "9"
    & skf18("2","4","6","7","10","4","1") = "9"
    & skf18("2","4","6","7","10","5","1") = "9"
    & skf18("2","4","6","7","10","6","1") = "9"
    & skf18("2","4","6","7","10","7","1") = "9"
    & skf18("2","4","6","7","10","8","1") = "9"
    & skf18("2","4","6","7","10","9","1") = "9"
    & skf18("2","4","6","7","10","10","1") = "9"
    & skf18("2","4","6","8","1","1","1") = "7"
    & skf18("2","4","6","8","1","2","1") = "7"
    & skf18("2","4","6","8","1","3","1") = "7"
    & skf18("2","4","6","8","1","4","1") = "7"
    & skf18("2","4","6","8","1","5","1") = "7"
    & skf18("2","4","6","8","1","6","1") = "7"
    & skf18("2","4","6","8","1","7","1") = "7"
    & skf18("2","4","6","8","1","8","1") = "7"
    & skf18("2","4","6","8","1","9","1") = "8"
    & skf18("2","4","6","8","1","10","1") = "9"
    & skf18("2","4","6","8","2","1","1") = "7"
    & skf18("2","4","6","8","2","2","1") = "7"
    & skf18("2","4","6","8","2","3","1") = "7"
    & skf18("2","4","6","8","2","4","1") = "7"
    & skf18("2","4","6","8","2","5","1") = "7"
    & skf18("2","4","6","8","2","6","1") = "7"
    & skf18("2","4","6","8","2","7","1") = "7"
    & skf18("2","4","6","8","2","8","1") = "7"
    & skf18("2","4","6","8","2","9","1") = "8"
    & skf18("2","4","6","8","2","10","1") = "9"
    & skf18("2","4","6","8","3","1","1") = "7"
    & skf18("2","4","6","8","3","2","1") = "7"
    & skf18("2","4","6","8","3","3","1") = "7"
    & skf18("2","4","6","8","3","4","1") = "7"
    & skf18("2","4","6","8","3","5","1") = "7"
    & skf18("2","4","6","8","3","6","1") = "7"
    & skf18("2","4","6","8","3","7","1") = "7"
    & skf18("2","4","6","8","3","8","1") = "7"
    & skf18("2","4","6","8","3","9","1") = "8"
    & skf18("2","4","6","8","3","10","1") = "9"
    & skf18("2","4","6","8","4","1","1") = "7"
    & skf18("2","4","6","8","4","2","1") = "7"
    & skf18("2","4","6","8","4","3","1") = "7"
    & skf18("2","4","6","8","4","4","1") = "7"
    & skf18("2","4","6","8","4","5","1") = "7"
    & skf18("2","4","6","8","4","6","1") = "7"
    & skf18("2","4","6","8","4","7","1") = "7"
    & skf18("2","4","6","8","4","8","1") = "7"
    & skf18("2","4","6","8","4","9","1") = "8"
    & skf18("2","4","6","8","4","10","1") = "9"
    & skf18("2","4","6","8","5","1","1") = "7"
    & skf18("2","4","6","8","5","2","1") = "7"
    & skf18("2","4","6","8","5","3","1") = "7"
    & skf18("2","4","6","8","5","4","1") = "7"
    & skf18("2","4","6","8","5","5","1") = "7"
    & skf18("2","4","6","8","5","6","1") = "7"
    & skf18("2","4","6","8","5","7","1") = "7"
    & skf18("2","4","6","8","5","8","1") = "7"
    & skf18("2","4","6","8","5","9","1") = "8"
    & skf18("2","4","6","8","5","10","1") = "9"
    & skf18("2","4","6","8","6","1","1") = "7"
    & skf18("2","4","6","8","6","2","1") = "7"
    & skf18("2","4","6","8","6","3","1") = "7"
    & skf18("2","4","6","8","6","4","1") = "7"
    & skf18("2","4","6","8","6","5","1") = "7"
    & skf18("2","4","6","8","6","6","1") = "7"
    & skf18("2","4","6","8","6","7","1") = "7"
    & skf18("2","4","6","8","6","8","1") = "7"
    & skf18("2","4","6","8","6","9","1") = "8"
    & skf18("2","4","6","8","6","10","1") = "9"
    & skf18("2","4","6","8","7","1","1") = "7"
    & skf18("2","4","6","8","7","2","1") = "7"
    & skf18("2","4","6","8","7","3","1") = "7"
    & skf18("2","4","6","8","7","4","1") = "7"
    & skf18("2","4","6","8","7","5","1") = "7"
    & skf18("2","4","6","8","7","6","1") = "7"
    & skf18("2","4","6","8","7","7","1") = "7"
    & skf18("2","4","6","8","7","8","1") = "7"
    & skf18("2","4","6","8","7","9","1") = "8"
    & skf18("2","4","6","8","7","10","1") = "9"
    & skf18("2","4","6","8","8","1","1") = "7"
    & skf18("2","4","6","8","8","2","1") = "7"
    & skf18("2","4","6","8","8","3","1") = "7"
    & skf18("2","4","6","8","8","4","1") = "7"
    & skf18("2","4","6","8","8","5","1") = "7"
    & skf18("2","4","6","8","8","6","1") = "7"
    & skf18("2","4","6","8","8","7","1") = "7"
    & skf18("2","4","6","8","8","8","1") = "7"
    & skf18("2","4","6","8","8","9","1") = "8"
    & skf18("2","4","6","8","8","10","1") = "9"
    & skf18("2","4","6","8","9","1","1") = "8"
    & skf18("2","4","6","8","9","2","1") = "8"
    & skf18("2","4","6","8","9","3","1") = "8"
    & skf18("2","4","6","8","9","4","1") = "8"
    & skf18("2","4","6","8","9","5","1") = "8"
    & skf18("2","4","6","8","9","6","1") = "8"
    & skf18("2","4","6","8","9","7","1") = "8"
    & skf18("2","4","6","8","9","8","1") = "8"
    & skf18("2","4","6","8","9","9","1") = "8"
    & skf18("2","4","6","8","9","10","1") = "9"
    & skf18("2","4","6","8","10","1","1") = "9"
    & skf18("2","4","6","8","10","2","1") = "9"
    & skf18("2","4","6","8","10","3","1") = "9"
    & skf18("2","4","6","8","10","4","1") = "9"
    & skf18("2","4","6","8","10","5","1") = "9"
    & skf18("2","4","6","8","10","6","1") = "9"
    & skf18("2","4","6","8","10","7","1") = "9"
    & skf18("2","4","6","8","10","8","1") = "9"
    & skf18("2","4","6","8","10","9","1") = "9"
    & skf18("2","4","6","8","10","10","1") = "9"
    & skf18("2","4","6","9","1","1","1") = "8"
    & skf18("2","4","6","9","1","2","1") = "8"
    & skf18("2","4","6","9","1","3","1") = "8"
    & skf18("2","4","6","9","1","4","1") = "8"
    & skf18("2","4","6","9","1","5","1") = "8"
    & skf18("2","4","6","9","1","6","1") = "8"
    & skf18("2","4","6","9","1","7","1") = "8"
    & skf18("2","4","6","9","1","8","1") = "8"
    & skf18("2","4","6","9","1","9","1") = "8"
    & skf18("2","4","6","9","1","10","1") = "9"
    & skf18("2","4","6","9","2","1","1") = "8"
    & skf18("2","4","6","9","2","2","1") = "8"
    & skf18("2","4","6","9","2","3","1") = "8"
    & skf18("2","4","6","9","2","4","1") = "8"
    & skf18("2","4","6","9","2","5","1") = "8"
    & skf18("2","4","6","9","2","6","1") = "8"
    & skf18("2","4","6","9","2","7","1") = "8"
    & skf18("2","4","6","9","2","8","1") = "8"
    & skf18("2","4","6","9","2","9","1") = "8"
    & skf18("2","4","6","9","2","10","1") = "9"
    & skf18("2","4","6","9","3","1","1") = "8"
    & skf18("2","4","6","9","3","2","1") = "8"
    & skf18("2","4","6","9","3","3","1") = "8"
    & skf18("2","4","6","9","3","4","1") = "8"
    & skf18("2","4","6","9","3","5","1") = "8"
    & skf18("2","4","6","9","3","6","1") = "8"
    & skf18("2","4","6","9","3","7","1") = "8"
    & skf18("2","4","6","9","3","8","1") = "8"
    & skf18("2","4","6","9","3","9","1") = "8"
    & skf18("2","4","6","9","3","10","1") = "9"
    & skf18("2","4","6","9","4","1","1") = "8"
    & skf18("2","4","6","9","4","2","1") = "8"
    & skf18("2","4","6","9","4","3","1") = "8"
    & skf18("2","4","6","9","4","4","1") = "8"
    & skf18("2","4","6","9","4","5","1") = "8"
    & skf18("2","4","6","9","4","6","1") = "8"
    & skf18("2","4","6","9","4","7","1") = "8"
    & skf18("2","4","6","9","4","8","1") = "8"
    & skf18("2","4","6","9","4","9","1") = "8"
    & skf18("2","4","6","9","4","10","1") = "9"
    & skf18("2","4","6","9","5","1","1") = "8"
    & skf18("2","4","6","9","5","2","1") = "8"
    & skf18("2","4","6","9","5","3","1") = "8"
    & skf18("2","4","6","9","5","4","1") = "8"
    & skf18("2","4","6","9","5","5","1") = "8"
    & skf18("2","4","6","9","5","6","1") = "8"
    & skf18("2","4","6","9","5","7","1") = "8"
    & skf18("2","4","6","9","5","8","1") = "8"
    & skf18("2","4","6","9","5","9","1") = "8"
    & skf18("2","4","6","9","5","10","1") = "9"
    & skf18("2","4","6","9","6","1","1") = "8"
    & skf18("2","4","6","9","6","2","1") = "8"
    & skf18("2","4","6","9","6","3","1") = "8"
    & skf18("2","4","6","9","6","4","1") = "8"
    & skf18("2","4","6","9","6","5","1") = "8"
    & skf18("2","4","6","9","6","6","1") = "8"
    & skf18("2","4","6","9","6","7","1") = "8"
    & skf18("2","4","6","9","6","8","1") = "8"
    & skf18("2","4","6","9","6","9","1") = "8"
    & skf18("2","4","6","9","6","10","1") = "9"
    & skf18("2","4","6","9","7","1","1") = "8"
    & skf18("2","4","6","9","7","2","1") = "8"
    & skf18("2","4","6","9","7","3","1") = "8"
    & skf18("2","4","6","9","7","4","1") = "8"
    & skf18("2","4","6","9","7","5","1") = "8"
    & skf18("2","4","6","9","7","6","1") = "8"
    & skf18("2","4","6","9","7","7","1") = "8"
    & skf18("2","4","6","9","7","8","1") = "8"
    & skf18("2","4","6","9","7","9","1") = "8"
    & skf18("2","4","6","9","7","10","1") = "9"
    & skf18("2","4","6","9","8","1","1") = "8"
    & skf18("2","4","6","9","8","2","1") = "8"
    & skf18("2","4","6","9","8","3","1") = "8"
    & skf18("2","4","6","9","8","4","1") = "8"
    & skf18("2","4","6","9","8","5","1") = "8"
    & skf18("2","4","6","9","8","6","1") = "8"
    & skf18("2","4","6","9","8","7","1") = "8"
    & skf18("2","4","6","9","8","8","1") = "8"
    & skf18("2","4","6","9","8","9","1") = "8"
    & skf18("2","4","6","9","8","10","1") = "9"
    & skf18("2","4","6","9","9","1","1") = "8"
    & skf18("2","4","6","9","9","2","1") = "8"
    & skf18("2","4","6","9","9","3","1") = "8"
    & skf18("2","4","6","9","9","4","1") = "8"
    & skf18("2","4","6","9","9","5","1") = "8"
    & skf18("2","4","6","9","9","6","1") = "8"
    & skf18("2","4","6","9","9","7","1") = "8"
    & skf18("2","4","6","9","9","8","1") = "8"
    & skf18("2","4","6","9","9","9","1") = "8"
    & skf18("2","4","6","9","9","10","1") = "9"
    & skf18("2","4","6","9","10","1","1") = "9"
    & skf18("2","4","6","9","10","2","1") = "9"
    & skf18("2","4","6","9","10","3","1") = "9"
    & skf18("2","4","6","9","10","4","1") = "9"
    & skf18("2","4","6","9","10","5","1") = "9"
    & skf18("2","4","6","9","10","6","1") = "9"
    & skf18("2","4","6","9","10","7","1") = "9"
    & skf18("2","4","6","9","10","8","1") = "9"
    & skf18("2","4","6","9","10","9","1") = "9"
    & skf18("2","4","6","9","10","10","1") = "9"
    & skf18("2","4","6","10","1","1","1") = "9"
    & skf18("2","4","6","10","1","2","1") = "9"
    & skf18("2","4","6","10","1","3","1") = "9"
    & skf18("2","4","6","10","1","4","1") = "9"
    & skf18("2","4","6","10","1","5","1") = "9"
    & skf18("2","4","6","10","1","6","1") = "9"
    & skf18("2","4","6","10","1","7","1") = "9"
    & skf18("2","4","6","10","1","8","1") = "9"
    & skf18("2","4","6","10","1","9","1") = "9"
    & skf18("2","4","6","10","1","10","1") = "9"
    & skf18("2","4","6","10","2","1","1") = "9"
    & skf18("2","4","6","10","2","2","1") = "9"
    & skf18("2","4","6","10","2","3","1") = "9"
    & skf18("2","4","6","10","2","4","1") = "9"
    & skf18("2","4","6","10","2","5","1") = "9"
    & skf18("2","4","6","10","2","6","1") = "9"
    & skf18("2","4","6","10","2","7","1") = "9"
    & skf18("2","4","6","10","2","8","1") = "9"
    & skf18("2","4","6","10","2","9","1") = "9"
    & skf18("2","4","6","10","2","10","1") = "9"
    & skf18("2","4","6","10","3","1","1") = "9"
    & skf18("2","4","6","10","3","2","1") = "9"
    & skf18("2","4","6","10","3","3","1") = "9"
    & skf18("2","4","6","10","3","4","1") = "9"
    & skf18("2","4","6","10","3","5","1") = "9"
    & skf18("2","4","6","10","3","6","1") = "9"
    & skf18("2","4","6","10","3","7","1") = "9"
    & skf18("2","4","6","10","3","8","1") = "9"
    & skf18("2","4","6","10","3","9","1") = "9"
    & skf18("2","4","6","10","3","10","1") = "9"
    & skf18("2","4","6","10","4","1","1") = "9"
    & skf18("2","4","6","10","4","2","1") = "9"
    & skf18("2","4","6","10","4","3","1") = "9"
    & skf18("2","4","6","10","4","4","1") = "9"
    & skf18("2","4","6","10","4","5","1") = "9"
    & skf18("2","4","6","10","4","6","1") = "9"
    & skf18("2","4","6","10","4","7","1") = "9"
    & skf18("2","4","6","10","4","8","1") = "9"
    & skf18("2","4","6","10","4","9","1") = "9"
    & skf18("2","4","6","10","4","10","1") = "9"
    & skf18("2","4","6","10","5","1","1") = "9"
    & skf18("2","4","6","10","5","2","1") = "9"
    & skf18("2","4","6","10","5","3","1") = "9"
    & skf18("2","4","6","10","5","4","1") = "9"
    & skf18("2","4","6","10","5","5","1") = "9"
    & skf18("2","4","6","10","5","6","1") = "9"
    & skf18("2","4","6","10","5","7","1") = "9"
    & skf18("2","4","6","10","5","8","1") = "9"
    & skf18("2","4","6","10","5","9","1") = "9"
    & skf18("2","4","6","10","5","10","1") = "9"
    & skf18("2","4","6","10","6","1","1") = "9"
    & skf18("2","4","6","10","6","2","1") = "9"
    & skf18("2","4","6","10","6","3","1") = "9"
    & skf18("2","4","6","10","6","4","1") = "9"
    & skf18("2","4","6","10","6","5","1") = "9"
    & skf18("2","4","6","10","6","6","1") = "9"
    & skf18("2","4","6","10","6","7","1") = "9"
    & skf18("2","4","6","10","6","8","1") = "9"
    & skf18("2","4","6","10","6","9","1") = "9"
    & skf18("2","4","6","10","6","10","1") = "9"
    & skf18("2","4","6","10","7","1","1") = "9"
    & skf18("2","4","6","10","7","2","1") = "9"
    & skf18("2","4","6","10","7","3","1") = "9"
    & skf18("2","4","6","10","7","4","1") = "9"
    & skf18("2","4","6","10","7","5","1") = "9"
    & skf18("2","4","6","10","7","6","1") = "9"
    & skf18("2","4","6","10","7","7","1") = "9"
    & skf18("2","4","6","10","7","8","1") = "9"
    & skf18("2","4","6","10","7","9","1") = "9"
    & skf18("2","4","6","10","7","10","1") = "9"
    & skf18("2","4","6","10","8","1","1") = "9"
    & skf18("2","4","6","10","8","2","1") = "9"
    & skf18("2","4","6","10","8","3","1") = "9"
    & skf18("2","4","6","10","8","4","1") = "9"
    & skf18("2","4","6","10","8","5","1") = "9"
    & skf18("2","4","6","10","8","6","1") = "9"
    & skf18("2","4","6","10","8","7","1") = "9"
    & skf18("2","4","6","10","8","8","1") = "9"
    & skf18("2","4","6","10","8","9","1") = "9"
    & skf18("2","4","6","10","8","10","1") = "9"
    & skf18("2","4","6","10","9","1","1") = "9"
    & skf18("2","4","6","10","9","2","1") = "9"
    & skf18("2","4","6","10","9","3","1") = "9"
    & skf18("2","4","6","10","9","4","1") = "9"
    & skf18("2","4","6","10","9","5","1") = "9"
    & skf18("2","4","6","10","9","6","1") = "9"
    & skf18("2","4","6","10","9","7","1") = "9"
    & skf18("2","4","6","10","9","8","1") = "9"
    & skf18("2","4","6","10","9","9","1") = "9"
    & skf18("2","4","6","10","9","10","1") = "9"
    & skf18("2","4","6","10","10","1","1") = "9"
    & skf18("2","4","6","10","10","2","1") = "9"
    & skf18("2","4","6","10","10","3","1") = "9"
    & skf18("2","4","6","10","10","4","1") = "9"
    & skf18("2","4","6","10","10","5","1") = "9"
    & skf18("2","4","6","10","10","6","1") = "9"
    & skf18("2","4","6","10","10","7","1") = "9"
    & skf18("2","4","6","10","10","8","1") = "9"
    & skf18("2","4","6","10","10","9","1") = "9"
    & skf18("2","4","6","10","10","10","1") = "9"
    & skf18("2","4","7","1","1","1","1") = "6"
    & skf18("2","4","7","1","1","2","1") = "6"
    & skf18("2","4","7","1","1","3","1") = "6"
    & skf18("2","4","7","1","1","4","1") = "6"
    & skf18("2","4","7","1","1","5","1") = "6"
    & skf18("2","4","7","1","1","6","1") = "6"
    & skf18("2","4","7","1","1","7","1") = "6"
    & skf18("2","4","7","1","1","8","1") = "7"
    & skf18("2","4","7","1","1","9","1") = "8"
    & skf18("2","4","7","1","1","10","1") = "9"
    & skf18("2","4","7","1","2","1","1") = "6"
    & skf18("2","4","7","1","2","2","1") = "6"
    & skf18("2","4","7","1","2","3","1") = "6"
    & skf18("2","4","7","1","2","4","1") = "6"
    & skf18("2","4","7","1","2","5","1") = "6"
    & skf18("2","4","7","1","2","6","1") = "6"
    & skf18("2","4","7","1","2","7","1") = "6"
    & skf18("2","4","7","1","2","8","1") = "7"
    & skf18("2","4","7","1","2","9","1") = "8"
    & skf18("2","4","7","1","2","10","1") = "9"
    & skf18("2","4","7","1","3","1","1") = "6"
    & skf18("2","4","7","1","3","2","1") = "6"
    & skf18("2","4","7","1","3","3","1") = "6"
    & skf18("2","4","7","1","3","4","1") = "6"
    & skf18("2","4","7","1","3","5","1") = "6"
    & skf18("2","4","7","1","3","6","1") = "6"
    & skf18("2","4","7","1","3","7","1") = "6"
    & skf18("2","4","7","1","3","8","1") = "7"
    & skf18("2","4","7","1","3","9","1") = "8"
    & skf18("2","4","7","1","3","10","1") = "9"
    & skf18("2","4","7","1","4","1","1") = "6"
    & skf18("2","4","7","1","4","2","1") = "6"
    & skf18("2","4","7","1","4","3","1") = "6"
    & skf18("2","4","7","1","4","4","1") = "6"
    & skf18("2","4","7","1","4","5","1") = "6"
    & skf18("2","4","7","1","4","6","1") = "6"
    & skf18("2","4","7","1","4","7","1") = "6"
    & skf18("2","4","7","1","4","8","1") = "7"
    & skf18("2","4","7","1","4","9","1") = "8"
    & skf18("2","4","7","1","4","10","1") = "9"
    & skf18("2","4","7","1","5","1","1") = "6"
    & skf18("2","4","7","1","5","2","1") = "6"
    & skf18("2","4","7","1","5","3","1") = "6"
    & skf18("2","4","7","1","5","4","1") = "6"
    & skf18("2","4","7","1","5","5","1") = "6"
    & skf18("2","4","7","1","5","6","1") = "6"
    & skf18("2","4","7","1","5","7","1") = "6"
    & skf18("2","4","7","1","5","8","1") = "7"
    & skf18("2","4","7","1","5","9","1") = "8"
    & skf18("2","4","7","1","5","10","1") = "9"
    & skf18("2","4","7","1","6","1","1") = "6"
    & skf18("2","4","7","1","6","2","1") = "6"
    & skf18("2","4","7","1","6","3","1") = "6"
    & skf18("2","4","7","1","6","4","1") = "6"
    & skf18("2","4","7","1","6","5","1") = "6"
    & skf18("2","4","7","1","6","6","1") = "6"
    & skf18("2","4","7","1","6","7","1") = "6"
    & skf18("2","4","7","1","6","8","1") = "7"
    & skf18("2","4","7","1","6","9","1") = "8"
    & skf18("2","4","7","1","6","10","1") = "9"
    & skf18("2","4","7","1","7","1","1") = "6"
    & skf18("2","4","7","1","7","2","1") = "6"
    & skf18("2","4","7","1","7","3","1") = "6"
    & skf18("2","4","7","1","7","4","1") = "6"
    & skf18("2","4","7","1","7","5","1") = "6"
    & skf18("2","4","7","1","7","6","1") = "6"
    & skf18("2","4","7","1","7","7","1") = "6"
    & skf18("2","4","7","1","7","8","1") = "7"
    & skf18("2","4","7","1","7","9","1") = "8"
    & skf18("2","4","7","1","7","10","1") = "9"
    & skf18("2","4","7","1","8","1","1") = "7"
    & skf18("2","4","7","1","8","2","1") = "7"
    & skf18("2","4","7","1","8","3","1") = "7"
    & skf18("2","4","7","1","8","4","1") = "7"
    & skf18("2","4","7","1","8","5","1") = "7"
    & skf18("2","4","7","1","8","6","1") = "7"
    & skf18("2","4","7","1","8","7","1") = "7"
    & skf18("2","4","7","1","8","8","1") = "7"
    & skf18("2","4","7","1","8","9","1") = "8"
    & skf18("2","4","7","1","8","10","1") = "9"
    & skf18("2","4","7","1","9","1","1") = "8"
    & skf18("2","4","7","1","9","2","1") = "8"
    & skf18("2","4","7","1","9","3","1") = "8"
    & skf18("2","4","7","1","9","4","1") = "8"
    & skf18("2","4","7","1","9","5","1") = "8"
    & skf18("2","4","7","1","9","6","1") = "8"
    & skf18("2","4","7","1","9","7","1") = "8"
    & skf18("2","4","7","1","9","8","1") = "8"
    & skf18("2","4","7","1","9","9","1") = "8"
    & skf18("2","4","7","1","9","10","1") = "9"
    & skf18("2","4","7","1","10","1","1") = "9"
    & skf18("2","4","7","1","10","2","1") = "9"
    & skf18("2","4","7","1","10","3","1") = "9"
    & skf18("2","4","7","1","10","4","1") = "9"
    & skf18("2","4","7","1","10","5","1") = "9"
    & skf18("2","4","7","1","10","6","1") = "9"
    & skf18("2","4","7","1","10","7","1") = "9"
    & skf18("2","4","7","1","10","8","1") = "9"
    & skf18("2","4","7","1","10","9","1") = "9"
    & skf18("2","4","7","1","10","10","1") = "9"
    & skf18("2","4","7","2","1","1","1") = "6"
    & skf18("2","4","7","2","1","2","1") = "6"
    & skf18("2","4","7","2","1","3","1") = "6"
    & skf18("2","4","7","2","1","4","1") = "6"
    & skf18("2","4","7","2","1","5","1") = "6"
    & skf18("2","4","7","2","1","6","1") = "6"
    & skf18("2","4","7","2","1","7","1") = "6"
    & skf18("2","4","7","2","1","8","1") = "7"
    & skf18("2","4","7","2","1","9","1") = "8"
    & skf18("2","4","7","2","1","10","1") = "9"
    & skf18("2","4","7","2","2","1","1") = "6"
    & skf18("2","4","7","2","2","2","1") = "6"
    & skf18("2","4","7","2","2","3","1") = "6"
    & skf18("2","4","7","2","2","4","1") = "6"
    & skf18("2","4","7","2","2","5","1") = "6"
    & skf18("2","4","7","2","2","6","1") = "6"
    & skf18("2","4","7","2","2","7","1") = "6"
    & skf18("2","4","7","2","2","8","1") = "7"
    & skf18("2","4","7","2","2","9","1") = "8"
    & skf18("2","4","7","2","2","10","1") = "9"
    & skf18("2","4","7","2","3","1","1") = "6"
    & skf18("2","4","7","2","3","2","1") = "6"
    & skf18("2","4","7","2","3","3","1") = "6"
    & skf18("2","4","7","2","3","4","1") = "6"
    & skf18("2","4","7","2","3","5","1") = "6"
    & skf18("2","4","7","2","3","6","1") = "6"
    & skf18("2","4","7","2","3","7","1") = "6"
    & skf18("2","4","7","2","3","8","1") = "7"
    & skf18("2","4","7","2","3","9","1") = "8"
    & skf18("2","4","7","2","3","10","1") = "9"
    & skf18("2","4","7","2","4","1","1") = "6"
    & skf18("2","4","7","2","4","2","1") = "6"
    & skf18("2","4","7","2","4","3","1") = "6"
    & skf18("2","4","7","2","4","4","1") = "6"
    & skf18("2","4","7","2","4","5","1") = "6"
    & skf18("2","4","7","2","4","6","1") = "6"
    & skf18("2","4","7","2","4","7","1") = "6"
    & skf18("2","4","7","2","4","8","1") = "7"
    & skf18("2","4","7","2","4","9","1") = "8"
    & skf18("2","4","7","2","4","10","1") = "9"
    & skf18("2","4","7","2","5","1","1") = "6"
    & skf18("2","4","7","2","5","2","1") = "6"
    & skf18("2","4","7","2","5","3","1") = "6"
    & skf18("2","4","7","2","5","4","1") = "6"
    & skf18("2","4","7","2","5","5","1") = "6"
    & skf18("2","4","7","2","5","6","1") = "6"
    & skf18("2","4","7","2","5","7","1") = "6"
    & skf18("2","4","7","2","5","8","1") = "7"
    & skf18("2","4","7","2","5","9","1") = "8"
    & skf18("2","4","7","2","5","10","1") = "9"
    & skf18("2","4","7","2","6","1","1") = "6"
    & skf18("2","4","7","2","6","2","1") = "6"
    & skf18("2","4","7","2","6","3","1") = "6"
    & skf18("2","4","7","2","6","4","1") = "6"
    & skf18("2","4","7","2","6","5","1") = "6"
    & skf18("2","4","7","2","6","6","1") = "6"
    & skf18("2","4","7","2","6","7","1") = "6"
    & skf18("2","4","7","2","6","8","1") = "7"
    & skf18("2","4","7","2","6","9","1") = "8"
    & skf18("2","4","7","2","6","10","1") = "9"
    & skf18("2","4","7","2","7","1","1") = "6"
    & skf18("2","4","7","2","7","2","1") = "6"
    & skf18("2","4","7","2","7","3","1") = "6"
    & skf18("2","4","7","2","7","4","1") = "6"
    & skf18("2","4","7","2","7","5","1") = "6"
    & skf18("2","4","7","2","7","6","1") = "6"
    & skf18("2","4","7","2","7","7","1") = "6"
    & skf18("2","4","7","2","7","8","1") = "7"
    & skf18("2","4","7","2","7","9","1") = "8"
    & skf18("2","4","7","2","7","10","1") = "9"
    & skf18("2","4","7","2","8","1","1") = "7"
    & skf18("2","4","7","2","8","2","1") = "7"
    & skf18("2","4","7","2","8","3","1") = "7"
    & skf18("2","4","7","2","8","4","1") = "7"
    & skf18("2","4","7","2","8","5","1") = "7"
    & skf18("2","4","7","2","8","6","1") = "7"
    & skf18("2","4","7","2","8","7","1") = "7"
    & skf18("2","4","7","2","8","8","1") = "7"
    & skf18("2","4","7","2","8","9","1") = "8"
    & skf18("2","4","7","2","8","10","1") = "9"
    & skf18("2","4","7","2","9","1","1") = "8"
    & skf18("2","4","7","2","9","2","1") = "8"
    & skf18("2","4","7","2","9","3","1") = "8"
    & skf18("2","4","7","2","9","4","1") = "8"
    & skf18("2","4","7","2","9","5","1") = "8"
    & skf18("2","4","7","2","9","6","1") = "8"
    & skf18("2","4","7","2","9","7","1") = "8"
    & skf18("2","4","7","2","9","8","1") = "8"
    & skf18("2","4","7","2","9","9","1") = "8"
    & skf18("2","4","7","2","9","10","1") = "9"
    & skf18("2","4","7","2","10","1","1") = "9"
    & skf18("2","4","7","2","10","2","1") = "9"
    & skf18("2","4","7","2","10","3","1") = "9"
    & skf18("2","4","7","2","10","4","1") = "9"
    & skf18("2","4","7","2","10","5","1") = "9"
    & skf18("2","4","7","2","10","6","1") = "9"
    & skf18("2","4","7","2","10","7","1") = "9"
    & skf18("2","4","7","2","10","8","1") = "9"
    & skf18("2","4","7","2","10","9","1") = "9"
    & skf18("2","4","7","2","10","10","1") = "9"
    & skf18("2","4","7","3","1","1","1") = "6"
    & skf18("2","4","7","3","1","2","1") = "6"
    & skf18("2","4","7","3","1","3","1") = "6"
    & skf18("2","4","7","3","1","4","1") = "6"
    & skf18("2","4","7","3","1","5","1") = "6"
    & skf18("2","4","7","3","1","6","1") = "6"
    & skf18("2","4","7","3","1","7","1") = "6"
    & skf18("2","4","7","3","1","8","1") = "7"
    & skf18("2","4","7","3","1","9","1") = "8"
    & skf18("2","4","7","3","1","10","1") = "9"
    & skf18("2","4","7","3","2","1","1") = "6"
    & skf18("2","4","7","3","2","2","1") = "6"
    & skf18("2","4","7","3","2","3","1") = "6"
    & skf18("2","4","7","3","2","4","1") = "6"
    & skf18("2","4","7","3","2","5","1") = "6"
    & skf18("2","4","7","3","2","6","1") = "6"
    & skf18("2","4","7","3","2","7","1") = "6"
    & skf18("2","4","7","3","2","8","1") = "7"
    & skf18("2","4","7","3","2","9","1") = "8"
    & skf18("2","4","7","3","2","10","1") = "9"
    & skf18("2","4","7","3","3","1","1") = "6"
    & skf18("2","4","7","3","3","2","1") = "6"
    & skf18("2","4","7","3","3","3","1") = "6"
    & skf18("2","4","7","3","3","4","1") = "6"
    & skf18("2","4","7","3","3","5","1") = "6"
    & skf18("2","4","7","3","3","6","1") = "6"
    & skf18("2","4","7","3","3","7","1") = "6"
    & skf18("2","4","7","3","3","8","1") = "7"
    & skf18("2","4","7","3","3","9","1") = "8"
    & skf18("2","4","7","3","3","10","1") = "9"
    & skf18("2","4","7","3","4","1","1") = "6"
    & skf18("2","4","7","3","4","2","1") = "6"
    & skf18("2","4","7","3","4","3","1") = "6"
    & skf18("2","4","7","3","4","4","1") = "6"
    & skf18("2","4","7","3","4","5","1") = "6"
    & skf18("2","4","7","3","4","6","1") = "6"
    & skf18("2","4","7","3","4","7","1") = "6"
    & skf18("2","4","7","3","4","8","1") = "7"
    & skf18("2","4","7","3","4","9","1") = "8"
    & skf18("2","4","7","3","4","10","1") = "9"
    & skf18("2","4","7","3","5","1","1") = "6"
    & skf18("2","4","7","3","5","2","1") = "6"
    & skf18("2","4","7","3","5","3","1") = "6"
    & skf18("2","4","7","3","5","4","1") = "6"
    & skf18("2","4","7","3","5","5","1") = "6"
    & skf18("2","4","7","3","5","6","1") = "6"
    & skf18("2","4","7","3","5","7","1") = "6"
    & skf18("2","4","7","3","5","8","1") = "7"
    & skf18("2","4","7","3","5","9","1") = "8"
    & skf18("2","4","7","3","5","10","1") = "9"
    & skf18("2","4","7","3","6","1","1") = "6"
    & skf18("2","4","7","3","6","2","1") = "6"
    & skf18("2","4","7","3","6","3","1") = "6"
    & skf18("2","4","7","3","6","4","1") = "6"
    & skf18("2","4","7","3","6","5","1") = "6"
    & skf18("2","4","7","3","6","6","1") = "6"
    & skf18("2","4","7","3","6","7","1") = "6"
    & skf18("2","4","7","3","6","8","1") = "7"
    & skf18("2","4","7","3","6","9","1") = "8"
    & skf18("2","4","7","3","6","10","1") = "9"
    & skf18("2","4","7","3","7","1","1") = "6"
    & skf18("2","4","7","3","7","2","1") = "6"
    & skf18("2","4","7","3","7","3","1") = "6"
    & skf18("2","4","7","3","7","4","1") = "6"
    & skf18("2","4","7","3","7","5","1") = "6"
    & skf18("2","4","7","3","7","6","1") = "6"
    & skf18("2","4","7","3","7","7","1") = "6"
    & skf18("2","4","7","3","7","8","1") = "7"
    & skf18("2","4","7","3","7","9","1") = "8"
    & skf18("2","4","7","3","7","10","1") = "9"
    & skf18("2","4","7","3","8","1","1") = "7"
    & skf18("2","4","7","3","8","2","1") = "7"
    & skf18("2","4","7","3","8","3","1") = "7"
    & skf18("2","4","7","3","8","4","1") = "7"
    & skf18("2","4","7","3","8","5","1") = "7"
    & skf18("2","4","7","3","8","6","1") = "7"
    & skf18("2","4","7","3","8","7","1") = "7"
    & skf18("2","4","7","3","8","8","1") = "7"
    & skf18("2","4","7","3","8","9","1") = "8"
    & skf18("2","4","7","3","8","10","1") = "9"
    & skf18("2","4","7","3","9","1","1") = "8"
    & skf18("2","4","7","3","9","2","1") = "8"
    & skf18("2","4","7","3","9","3","1") = "8"
    & skf18("2","4","7","3","9","4","1") = "8"
    & skf18("2","4","7","3","9","5","1") = "8"
    & skf18("2","4","7","3","9","6","1") = "8"
    & skf18("2","4","7","3","9","7","1") = "8"
    & skf18("2","4","7","3","9","8","1") = "8"
    & skf18("2","4","7","3","9","9","1") = "8"
    & skf18("2","4","7","3","9","10","1") = "9"
    & skf18("2","4","7","3","10","1","1") = "9"
    & skf18("2","4","7","3","10","2","1") = "9"
    & skf18("2","4","7","3","10","3","1") = "9"
    & skf18("2","4","7","3","10","4","1") = "9"
    & skf18("2","4","7","3","10","5","1") = "9"
    & skf18("2","4","7","3","10","6","1") = "9"
    & skf18("2","4","7","3","10","7","1") = "9"
    & skf18("2","4","7","3","10","8","1") = "9"
    & skf18("2","4","7","3","10","9","1") = "9"
    & skf18("2","4","7","3","10","10","1") = "9"
    & skf18("2","4","7","4","1","1","1") = "6"
    & skf18("2","4","7","4","1","2","1") = "6"
    & skf18("2","4","7","4","1","3","1") = "6"
    & skf18("2","4","7","4","1","4","1") = "6"
    & skf18("2","4","7","4","1","5","1") = "6"
    & skf18("2","4","7","4","1","6","1") = "6"
    & skf18("2","4","7","4","1","7","1") = "6"
    & skf18("2","4","7","4","1","8","1") = "7"
    & skf18("2","4","7","4","1","9","1") = "8"
    & skf18("2","4","7","4","1","10","1") = "9"
    & skf18("2","4","7","4","2","1","1") = "6"
    & skf18("2","4","7","4","2","2","1") = "6"
    & skf18("2","4","7","4","2","3","1") = "6"
    & skf18("2","4","7","4","2","4","1") = "6"
    & skf18("2","4","7","4","2","5","1") = "6"
    & skf18("2","4","7","4","2","6","1") = "6"
    & skf18("2","4","7","4","2","7","1") = "6"
    & skf18("2","4","7","4","2","8","1") = "7"
    & skf18("2","4","7","4","2","9","1") = "8"
    & skf18("2","4","7","4","2","10","1") = "9"
    & skf18("2","4","7","4","3","1","1") = "6"
    & skf18("2","4","7","4","3","2","1") = "6"
    & skf18("2","4","7","4","3","3","1") = "6"
    & skf18("2","4","7","4","3","4","1") = "6"
    & skf18("2","4","7","4","3","5","1") = "6"
    & skf18("2","4","7","4","3","6","1") = "6"
    & skf18("2","4","7","4","3","7","1") = "6"
    & skf18("2","4","7","4","3","8","1") = "7"
    & skf18("2","4","7","4","3","9","1") = "8"
    & skf18("2","4","7","4","3","10","1") = "9"
    & skf18("2","4","7","4","4","1","1") = "6"
    & skf18("2","4","7","4","4","2","1") = "6"
    & skf18("2","4","7","4","4","3","1") = "6"
    & skf18("2","4","7","4","4","4","1") = "6"
    & skf18("2","4","7","4","4","5","1") = "6"
    & skf18("2","4","7","4","4","6","1") = "6"
    & skf18("2","4","7","4","4","7","1") = "6"
    & skf18("2","4","7","4","4","8","1") = "7"
    & skf18("2","4","7","4","4","9","1") = "8"
    & skf18("2","4","7","4","4","10","1") = "9"
    & skf18("2","4","7","4","5","1","1") = "6"
    & skf18("2","4","7","4","5","2","1") = "6"
    & skf18("2","4","7","4","5","3","1") = "6"
    & skf18("2","4","7","4","5","4","1") = "6"
    & skf18("2","4","7","4","5","5","1") = "6"
    & skf18("2","4","7","4","5","6","1") = "6"
    & skf18("2","4","7","4","5","7","1") = "6"
    & skf18("2","4","7","4","5","8","1") = "7"
    & skf18("2","4","7","4","5","9","1") = "8"
    & skf18("2","4","7","4","5","10","1") = "9"
    & skf18("2","4","7","4","6","1","1") = "6"
    & skf18("2","4","7","4","6","2","1") = "6"
    & skf18("2","4","7","4","6","3","1") = "6"
    & skf18("2","4","7","4","6","4","1") = "6"
    & skf18("2","4","7","4","6","5","1") = "6"
    & skf18("2","4","7","4","6","6","1") = "6"
    & skf18("2","4","7","4","6","7","1") = "6"
    & skf18("2","4","7","4","6","8","1") = "7"
    & skf18("2","4","7","4","6","9","1") = "8"
    & skf18("2","4","7","4","6","10","1") = "9"
    & skf18("2","4","7","4","7","1","1") = "6"
    & skf18("2","4","7","4","7","2","1") = "6"
    & skf18("2","4","7","4","7","3","1") = "6"
    & skf18("2","4","7","4","7","4","1") = "6"
    & skf18("2","4","7","4","7","5","1") = "6"
    & skf18("2","4","7","4","7","6","1") = "6"
    & skf18("2","4","7","4","7","7","1") = "6"
    & skf18("2","4","7","4","7","8","1") = "7"
    & skf18("2","4","7","4","7","9","1") = "8"
    & skf18("2","4","7","4","7","10","1") = "9"
    & skf18("2","4","7","4","8","1","1") = "7"
    & skf18("2","4","7","4","8","2","1") = "7"
    & skf18("2","4","7","4","8","3","1") = "7"
    & skf18("2","4","7","4","8","4","1") = "7"
    & skf18("2","4","7","4","8","5","1") = "7"
    & skf18("2","4","7","4","8","6","1") = "7"
    & skf18("2","4","7","4","8","7","1") = "7"
    & skf18("2","4","7","4","8","8","1") = "7"
    & skf18("2","4","7","4","8","9","1") = "8"
    & skf18("2","4","7","4","8","10","1") = "9"
    & skf18("2","4","7","4","9","1","1") = "8"
    & skf18("2","4","7","4","9","2","1") = "8"
    & skf18("2","4","7","4","9","3","1") = "8"
    & skf18("2","4","7","4","9","4","1") = "8"
    & skf18("2","4","7","4","9","5","1") = "8"
    & skf18("2","4","7","4","9","6","1") = "8"
    & skf18("2","4","7","4","9","7","1") = "8"
    & skf18("2","4","7","4","9","8","1") = "8"
    & skf18("2","4","7","4","9","9","1") = "8"
    & skf18("2","4","7","4","9","10","1") = "9"
    & skf18("2","4","7","4","10","1","1") = "9"
    & skf18("2","4","7","4","10","2","1") = "9"
    & skf18("2","4","7","4","10","3","1") = "9"
    & skf18("2","4","7","4","10","4","1") = "9"
    & skf18("2","4","7","4","10","5","1") = "9"
    & skf18("2","4","7","4","10","6","1") = "9"
    & skf18("2","4","7","4","10","7","1") = "9"
    & skf18("2","4","7","4","10","8","1") = "9"
    & skf18("2","4","7","4","10","9","1") = "9"
    & skf18("2","4","7","4","10","10","1") = "9"
    & skf18("2","4","7","5","1","1","1") = "6"
    & skf18("2","4","7","5","1","2","1") = "6"
    & skf18("2","4","7","5","1","3","1") = "6"
    & skf18("2","4","7","5","1","4","1") = "6"
    & skf18("2","4","7","5","1","5","1") = "6"
    & skf18("2","4","7","5","1","6","1") = "6"
    & skf18("2","4","7","5","1","7","1") = "6"
    & skf18("2","4","7","5","1","8","1") = "7"
    & skf18("2","4","7","5","1","9","1") = "8"
    & skf18("2","4","7","5","1","10","1") = "9"
    & skf18("2","4","7","5","2","1","1") = "6"
    & skf18("2","4","7","5","2","2","1") = "6"
    & skf18("2","4","7","5","2","3","1") = "6"
    & skf18("2","4","7","5","2","4","1") = "6"
    & skf18("2","4","7","5","2","5","1") = "6"
    & skf18("2","4","7","5","2","6","1") = "6"
    & skf18("2","4","7","5","2","7","1") = "6"
    & skf18("2","4","7","5","2","8","1") = "7"
    & skf18("2","4","7","5","2","9","1") = "8"
    & skf18("2","4","7","5","2","10","1") = "9"
    & skf18("2","4","7","5","3","1","1") = "6"
    & skf18("2","4","7","5","3","2","1") = "6"
    & skf18("2","4","7","5","3","3","1") = "6"
    & skf18("2","4","7","5","3","4","1") = "6"
    & skf18("2","4","7","5","3","5","1") = "6"
    & skf18("2","4","7","5","3","6","1") = "6"
    & skf18("2","4","7","5","3","7","1") = "6"
    & skf18("2","4","7","5","3","8","1") = "7"
    & skf18("2","4","7","5","3","9","1") = "8"
    & skf18("2","4","7","5","3","10","1") = "9"
    & skf18("2","4","7","5","4","1","1") = "6"
    & skf18("2","4","7","5","4","2","1") = "6"
    & skf18("2","4","7","5","4","3","1") = "6"
    & skf18("2","4","7","5","4","4","1") = "6"
    & skf18("2","4","7","5","4","5","1") = "6"
    & skf18("2","4","7","5","4","6","1") = "6"
    & skf18("2","4","7","5","4","7","1") = "6"
    & skf18("2","4","7","5","4","8","1") = "7"
    & skf18("2","4","7","5","4","9","1") = "8"
    & skf18("2","4","7","5","4","10","1") = "9"
    & skf18("2","4","7","5","5","1","1") = "6"
    & skf18("2","4","7","5","5","2","1") = "6"
    & skf18("2","4","7","5","5","3","1") = "6"
    & skf18("2","4","7","5","5","4","1") = "6"
    & skf18("2","4","7","5","5","5","1") = "6"
    & skf18("2","4","7","5","5","6","1") = "6"
    & skf18("2","4","7","5","5","7","1") = "6"
    & skf18("2","4","7","5","5","8","1") = "7"
    & skf18("2","4","7","5","5","9","1") = "8"
    & skf18("2","4","7","5","5","10","1") = "9"
    & skf18("2","4","7","5","6","1","1") = "6"
    & skf18("2","4","7","5","6","2","1") = "6"
    & skf18("2","4","7","5","6","3","1") = "6"
    & skf18("2","4","7","5","6","4","1") = "6"
    & skf18("2","4","7","5","6","5","1") = "6"
    & skf18("2","4","7","5","6","6","1") = "6"
    & skf18("2","4","7","5","6","7","1") = "6"
    & skf18("2","4","7","5","6","8","1") = "7"
    & skf18("2","4","7","5","6","9","1") = "8"
    & skf18("2","4","7","5","6","10","1") = "9"
    & skf18("2","4","7","5","7","1","1") = "6"
    & skf18("2","4","7","5","7","2","1") = "6"
    & skf18("2","4","7","5","7","3","1") = "6"
    & skf18("2","4","7","5","7","4","1") = "6"
    & skf18("2","4","7","5","7","5","1") = "6"
    & skf18("2","4","7","5","7","6","1") = "6"
    & skf18("2","4","7","5","7","7","1") = "6"
    & skf18("2","4","7","5","7","8","1") = "7"
    & skf18("2","4","7","5","7","9","1") = "8"
    & skf18("2","4","7","5","7","10","1") = "9"
    & skf18("2","4","7","5","8","1","1") = "7"
    & skf18("2","4","7","5","8","2","1") = "7"
    & skf18("2","4","7","5","8","3","1") = "7"
    & skf18("2","4","7","5","8","4","1") = "7"
    & skf18("2","4","7","5","8","5","1") = "7"
    & skf18("2","4","7","5","8","6","1") = "7"
    & skf18("2","4","7","5","8","7","1") = "7"
    & skf18("2","4","7","5","8","8","1") = "7"
    & skf18("2","4","7","5","8","9","1") = "8"
    & skf18("2","4","7","5","8","10","1") = "9"
    & skf18("2","4","7","5","9","1","1") = "8"
    & skf18("2","4","7","5","9","2","1") = "8"
    & skf18("2","4","7","5","9","3","1") = "8"
    & skf18("2","4","7","5","9","4","1") = "8"
    & skf18("2","4","7","5","9","5","1") = "8"
    & skf18("2","4","7","5","9","6","1") = "8"
    & skf18("2","4","7","5","9","7","1") = "8"
    & skf18("2","4","7","5","9","8","1") = "8"
    & skf18("2","4","7","5","9","9","1") = "8"
    & skf18("2","4","7","5","9","10","1") = "9"
    & skf18("2","4","7","5","10","1","1") = "9"
    & skf18("2","4","7","5","10","2","1") = "9"
    & skf18("2","4","7","5","10","3","1") = "9"
    & skf18("2","4","7","5","10","4","1") = "9"
    & skf18("2","4","7","5","10","5","1") = "9"
    & skf18("2","4","7","5","10","6","1") = "9"
    & skf18("2","4","7","5","10","7","1") = "9"
    & skf18("2","4","7","5","10","8","1") = "9"
    & skf18("2","4","7","5","10","9","1") = "9"
    & skf18("2","4","7","5","10","10","1") = "9"
    & skf18("2","4","7","6","1","1","1") = "6"
    & skf18("2","4","7","6","1","2","1") = "6"
    & skf18("2","4","7","6","1","3","1") = "6"
    & skf18("2","4","7","6","1","4","1") = "6"
    & skf18("2","4","7","6","1","5","1") = "6"
    & skf18("2","4","7","6","1","6","1") = "6"
    & skf18("2","4","7","6","1","7","1") = "6"
    & skf18("2","4","7","6","1","8","1") = "7"
    & skf18("2","4","7","6","1","9","1") = "8"
    & skf18("2","4","7","6","1","10","1") = "9"
    & skf18("2","4","7","6","2","1","1") = "6"
    & skf18("2","4","7","6","2","2","1") = "6"
    & skf18("2","4","7","6","2","3","1") = "6"
    & skf18("2","4","7","6","2","4","1") = "6"
    & skf18("2","4","7","6","2","5","1") = "6"
    & skf18("2","4","7","6","2","6","1") = "6"
    & skf18("2","4","7","6","2","7","1") = "6"
    & skf18("2","4","7","6","2","8","1") = "7"
    & skf18("2","4","7","6","2","9","1") = "8"
    & skf18("2","4","7","6","2","10","1") = "9"
    & skf18("2","4","7","6","3","1","1") = "6"
    & skf18("2","4","7","6","3","2","1") = "6"
    & skf18("2","4","7","6","3","3","1") = "6"
    & skf18("2","4","7","6","3","4","1") = "6"
    & skf18("2","4","7","6","3","5","1") = "6"
    & skf18("2","4","7","6","3","6","1") = "6"
    & skf18("2","4","7","6","3","7","1") = "6"
    & skf18("2","4","7","6","3","8","1") = "7"
    & skf18("2","4","7","6","3","9","1") = "8"
    & skf18("2","4","7","6","3","10","1") = "9"
    & skf18("2","4","7","6","4","1","1") = "6"
    & skf18("2","4","7","6","4","2","1") = "6"
    & skf18("2","4","7","6","4","3","1") = "6"
    & skf18("2","4","7","6","4","4","1") = "6"
    & skf18("2","4","7","6","4","5","1") = "6"
    & skf18("2","4","7","6","4","6","1") = "6"
    & skf18("2","4","7","6","4","7","1") = "6"
    & skf18("2","4","7","6","4","8","1") = "7"
    & skf18("2","4","7","6","4","9","1") = "8"
    & skf18("2","4","7","6","4","10","1") = "9"
    & skf18("2","4","7","6","5","1","1") = "6"
    & skf18("2","4","7","6","5","2","1") = "6"
    & skf18("2","4","7","6","5","3","1") = "6"
    & skf18("2","4","7","6","5","4","1") = "6"
    & skf18("2","4","7","6","5","5","1") = "6"
    & skf18("2","4","7","6","5","6","1") = "6"
    & skf18("2","4","7","6","5","7","1") = "6"
    & skf18("2","4","7","6","5","8","1") = "7"
    & skf18("2","4","7","6","5","9","1") = "8"
    & skf18("2","4","7","6","5","10","1") = "9"
    & skf18("2","4","7","6","6","1","1") = "6"
    & skf18("2","4","7","6","6","2","1") = "6"
    & skf18("2","4","7","6","6","3","1") = "6"
    & skf18("2","4","7","6","6","4","1") = "6"
    & skf18("2","4","7","6","6","5","1") = "6"
    & skf18("2","4","7","6","6","6","1") = "6"
    & skf18("2","4","7","6","6","7","1") = "6"
    & skf18("2","4","7","6","6","8","1") = "7"
    & skf18("2","4","7","6","6","9","1") = "8"
    & skf18("2","4","7","6","6","10","1") = "9"
    & skf18("2","4","7","6","7","1","1") = "6"
    & skf18("2","4","7","6","7","2","1") = "6"
    & skf18("2","4","7","6","7","3","1") = "6"
    & skf18("2","4","7","6","7","4","1") = "6"
    & skf18("2","4","7","6","7","5","1") = "6"
    & skf18("2","4","7","6","7","6","1") = "6"
    & skf18("2","4","7","6","7","7","1") = "6"
    & skf18("2","4","7","6","7","8","1") = "7"
    & skf18("2","4","7","6","7","9","1") = "8"
    & skf18("2","4","7","6","7","10","1") = "9"
    & skf18("2","4","7","6","8","1","1") = "7"
    & skf18("2","4","7","6","8","2","1") = "7"
    & skf18("2","4","7","6","8","3","1") = "7"
    & skf18("2","4","7","6","8","4","1") = "7"
    & skf18("2","4","7","6","8","5","1") = "7"
    & skf18("2","4","7","6","8","6","1") = "7"
    & skf18("2","4","7","6","8","7","1") = "7"
    & skf18("2","4","7","6","8","8","1") = "7"
    & skf18("2","4","7","6","8","9","1") = "8"
    & skf18("2","4","7","6","8","10","1") = "9"
    & skf18("2","4","7","6","9","1","1") = "8"
    & skf18("2","4","7","6","9","2","1") = "8"
    & skf18("2","4","7","6","9","3","1") = "8"
    & skf18("2","4","7","6","9","4","1") = "8"
    & skf18("2","4","7","6","9","5","1") = "8"
    & skf18("2","4","7","6","9","6","1") = "8"
    & skf18("2","4","7","6","9","7","1") = "8"
    & skf18("2","4","7","6","9","8","1") = "8"
    & skf18("2","4","7","6","9","9","1") = "8"
    & skf18("2","4","7","6","9","10","1") = "9"
    & skf18("2","4","7","6","10","1","1") = "9"
    & skf18("2","4","7","6","10","2","1") = "9"
    & skf18("2","4","7","6","10","3","1") = "9"
    & skf18("2","4","7","6","10","4","1") = "9"
    & skf18("2","4","7","6","10","5","1") = "9"
    & skf18("2","4","7","6","10","6","1") = "9"
    & skf18("2","4","7","6","10","7","1") = "9"
    & skf18("2","4","7","6","10","8","1") = "9"
    & skf18("2","4","7","6","10","9","1") = "9"
    & skf18("2","4","7","6","10","10","1") = "9"
    & skf18("2","4","7","7","1","1","1") = "6"
    & skf18("2","4","7","7","1","2","1") = "6"
    & skf18("2","4","7","7","1","3","1") = "6"
    & skf18("2","4","7","7","1","4","1") = "6"
    & skf18("2","4","7","7","1","5","1") = "6"
    & skf18("2","4","7","7","1","6","1") = "6"
    & skf18("2","4","7","7","1","7","1") = "6"
    & skf18("2","4","7","7","1","8","1") = "7"
    & skf18("2","4","7","7","1","9","1") = "8"
    & skf18("2","4","7","7","1","10","1") = "9"
    & skf18("2","4","7","7","2","1","1") = "6"
    & skf18("2","4","7","7","2","2","1") = "6"
    & skf18("2","4","7","7","2","3","1") = "6"
    & skf18("2","4","7","7","2","4","1") = "6"
    & skf18("2","4","7","7","2","5","1") = "6"
    & skf18("2","4","7","7","2","6","1") = "6"
    & skf18("2","4","7","7","2","7","1") = "6"
    & skf18("2","4","7","7","2","8","1") = "7"
    & skf18("2","4","7","7","2","9","1") = "8"
    & skf18("2","4","7","7","2","10","1") = "9"
    & skf18("2","4","7","7","3","1","1") = "6"
    & skf18("2","4","7","7","3","2","1") = "6"
    & skf18("2","4","7","7","3","3","1") = "6"
    & skf18("2","4","7","7","3","4","1") = "6"
    & skf18("2","4","7","7","3","5","1") = "6"
    & skf18("2","4","7","7","3","6","1") = "6"
    & skf18("2","4","7","7","3","7","1") = "6"
    & skf18("2","4","7","7","3","8","1") = "7"
    & skf18("2","4","7","7","3","9","1") = "8"
    & skf18("2","4","7","7","3","10","1") = "9"
    & skf18("2","4","7","7","4","1","1") = "6"
    & skf18("2","4","7","7","4","2","1") = "6"
    & skf18("2","4","7","7","4","3","1") = "6"
    & skf18("2","4","7","7","4","4","1") = "6"
    & skf18("2","4","7","7","4","5","1") = "6"
    & skf18("2","4","7","7","4","6","1") = "6"
    & skf18("2","4","7","7","4","7","1") = "6"
    & skf18("2","4","7","7","4","8","1") = "7"
    & skf18("2","4","7","7","4","9","1") = "8"
    & skf18("2","4","7","7","4","10","1") = "9"
    & skf18("2","4","7","7","5","1","1") = "6"
    & skf18("2","4","7","7","5","2","1") = "6"
    & skf18("2","4","7","7","5","3","1") = "6"
    & skf18("2","4","7","7","5","4","1") = "6"
    & skf18("2","4","7","7","5","5","1") = "6"
    & skf18("2","4","7","7","5","6","1") = "6"
    & skf18("2","4","7","7","5","7","1") = "6"
    & skf18("2","4","7","7","5","8","1") = "7"
    & skf18("2","4","7","7","5","9","1") = "8"
    & skf18("2","4","7","7","5","10","1") = "9"
    & skf18("2","4","7","7","6","1","1") = "6"
    & skf18("2","4","7","7","6","2","1") = "6"
    & skf18("2","4","7","7","6","3","1") = "6"
    & skf18("2","4","7","7","6","4","1") = "6"
    & skf18("2","4","7","7","6","5","1") = "6"
    & skf18("2","4","7","7","6","6","1") = "6"
    & skf18("2","4","7","7","6","7","1") = "6"
    & skf18("2","4","7","7","6","8","1") = "7"
    & skf18("2","4","7","7","6","9","1") = "8"
    & skf18("2","4","7","7","6","10","1") = "9"
    & skf18("2","4","7","7","7","1","1") = "6"
    & skf18("2","4","7","7","7","2","1") = "6"
    & skf18("2","4","7","7","7","3","1") = "6"
    & skf18("2","4","7","7","7","4","1") = "6"
    & skf18("2","4","7","7","7","5","1") = "6"
    & skf18("2","4","7","7","7","6","1") = "6"
    & skf18("2","4","7","7","7","7","1") = "6"
    & skf18("2","4","7","7","7","8","1") = "7"
    & skf18("2","4","7","7","7","9","1") = "8"
    & skf18("2","4","7","7","7","10","1") = "9"
    & skf18("2","4","7","7","8","1","1") = "7"
    & skf18("2","4","7","7","8","2","1") = "7"
    & skf18("2","4","7","7","8","3","1") = "7"
    & skf18("2","4","7","7","8","4","1") = "7"
    & skf18("2","4","7","7","8","5","1") = "7"
    & skf18("2","4","7","7","8","6","1") = "7"
    & skf18("2","4","7","7","8","7","1") = "7"
    & skf18("2","4","7","7","8","8","1") = "7"
    & skf18("2","4","7","7","8","9","1") = "8"
    & skf18("2","4","7","7","8","10","1") = "9"
    & skf18("2","4","7","7","9","1","1") = "8"
    & skf18("2","4","7","7","9","2","1") = "8"
    & skf18("2","4","7","7","9","3","1") = "8"
    & skf18("2","4","7","7","9","4","1") = "8"
    & skf18("2","4","7","7","9","5","1") = "8"
    & skf18("2","4","7","7","9","6","1") = "8"
    & skf18("2","4","7","7","9","7","1") = "8"
    & skf18("2","4","7","7","9","8","1") = "8"
    & skf18("2","4","7","7","9","9","1") = "8"
    & skf18("2","4","7","7","9","10","1") = "9"
    & skf18("2","4","7","7","10","1","1") = "9"
    & skf18("2","4","7","7","10","2","1") = "9"
    & skf18("2","4","7","7","10","3","1") = "9"
    & skf18("2","4","7","7","10","4","1") = "9"
    & skf18("2","4","7","7","10","5","1") = "9"
    & skf18("2","4","7","7","10","6","1") = "9"
    & skf18("2","4","7","7","10","7","1") = "9"
    & skf18("2","4","7","7","10","8","1") = "9"
    & skf18("2","4","7","7","10","9","1") = "9"
    & skf18("2","4","7","7","10","10","1") = "9"
    & skf18("2","4","7","8","1","1","1") = "7"
    & skf18("2","4","7","8","1","2","1") = "7"
    & skf18("2","4","7","8","1","3","1") = "7"
    & skf18("2","4","7","8","1","4","1") = "7"
    & skf18("2","4","7","8","1","5","1") = "7"
    & skf18("2","4","7","8","1","6","1") = "7"
    & skf18("2","4","7","8","1","7","1") = "7"
    & skf18("2","4","7","8","1","8","1") = "7"
    & skf18("2","4","7","8","1","9","1") = "8"
    & skf18("2","4","7","8","1","10","1") = "9"
    & skf18("2","4","7","8","2","1","1") = "7"
    & skf18("2","4","7","8","2","2","1") = "7"
    & skf18("2","4","7","8","2","3","1") = "7"
    & skf18("2","4","7","8","2","4","1") = "7"
    & skf18("2","4","7","8","2","5","1") = "7"
    & skf18("2","4","7","8","2","6","1") = "7"
    & skf18("2","4","7","8","2","7","1") = "7"
    & skf18("2","4","7","8","2","8","1") = "7"
    & skf18("2","4","7","8","2","9","1") = "8"
    & skf18("2","4","7","8","2","10","1") = "9"
    & skf18("2","4","7","8","3","1","1") = "7"
    & skf18("2","4","7","8","3","2","1") = "7"
    & skf18("2","4","7","8","3","3","1") = "7"
    & skf18("2","4","7","8","3","4","1") = "7"
    & skf18("2","4","7","8","3","5","1") = "7"
    & skf18("2","4","7","8","3","6","1") = "7"
    & skf18("2","4","7","8","3","7","1") = "7"
    & skf18("2","4","7","8","3","8","1") = "7"
    & skf18("2","4","7","8","3","9","1") = "8"
    & skf18("2","4","7","8","3","10","1") = "9"
    & skf18("2","4","7","8","4","1","1") = "7"
    & skf18("2","4","7","8","4","2","1") = "7"
    & skf18("2","4","7","8","4","3","1") = "7"
    & skf18("2","4","7","8","4","4","1") = "7"
    & skf18("2","4","7","8","4","5","1") = "7"
    & skf18("2","4","7","8","4","6","1") = "7"
    & skf18("2","4","7","8","4","7","1") = "7"
    & skf18("2","4","7","8","4","8","1") = "7"
    & skf18("2","4","7","8","4","9","1") = "8"
    & skf18("2","4","7","8","4","10","1") = "9"
    & skf18("2","4","7","8","5","1","1") = "7"
    & skf18("2","4","7","8","5","2","1") = "7"
    & skf18("2","4","7","8","5","3","1") = "7"
    & skf18("2","4","7","8","5","4","1") = "7"
    & skf18("2","4","7","8","5","5","1") = "7"
    & skf18("2","4","7","8","5","6","1") = "7"
    & skf18("2","4","7","8","5","7","1") = "7"
    & skf18("2","4","7","8","5","8","1") = "7"
    & skf18("2","4","7","8","5","9","1") = "8"
    & skf18("2","4","7","8","5","10","1") = "9"
    & skf18("2","4","7","8","6","1","1") = "7"
    & skf18("2","4","7","8","6","2","1") = "7"
    & skf18("2","4","7","8","6","3","1") = "7"
    & skf18("2","4","7","8","6","4","1") = "7"
    & skf18("2","4","7","8","6","5","1") = "7"
    & skf18("2","4","7","8","6","6","1") = "7"
    & skf18("2","4","7","8","6","7","1") = "7"
    & skf18("2","4","7","8","6","8","1") = "7"
    & skf18("2","4","7","8","6","9","1") = "8"
    & skf18("2","4","7","8","6","10","1") = "9"
    & skf18("2","4","7","8","7","1","1") = "7"
    & skf18("2","4","7","8","7","2","1") = "7"
    & skf18("2","4","7","8","7","3","1") = "7"
    & skf18("2","4","7","8","7","4","1") = "7"
    & skf18("2","4","7","8","7","5","1") = "7"
    & skf18("2","4","7","8","7","6","1") = "7"
    & skf18("2","4","7","8","7","7","1") = "7"
    & skf18("2","4","7","8","7","8","1") = "7"
    & skf18("2","4","7","8","7","9","1") = "8"
    & skf18("2","4","7","8","7","10","1") = "9"
    & skf18("2","4","7","8","8","1","1") = "7"
    & skf18("2","4","7","8","8","2","1") = "7"
    & skf18("2","4","7","8","8","3","1") = "7"
    & skf18("2","4","7","8","8","4","1") = "7"
    & skf18("2","4","7","8","8","5","1") = "7"
    & skf18("2","4","7","8","8","6","1") = "7"
    & skf18("2","4","7","8","8","7","1") = "7"
    & skf18("2","4","7","8","8","8","1") = "7"
    & skf18("2","4","7","8","8","9","1") = "8"
    & skf18("2","4","7","8","8","10","1") = "9"
    & skf18("2","4","7","8","9","1","1") = "8"
    & skf18("2","4","7","8","9","2","1") = "8"
    & skf18("2","4","7","8","9","3","1") = "8"
    & skf18("2","4","7","8","9","4","1") = "8"
    & skf18("2","4","7","8","9","5","1") = "8"
    & skf18("2","4","7","8","9","6","1") = "8"
    & skf18("2","4","7","8","9","7","1") = "8"
    & skf18("2","4","7","8","9","8","1") = "8"
    & skf18("2","4","7","8","9","9","1") = "8"
    & skf18("2","4","7","8","9","10","1") = "9"
    & skf18("2","4","7","8","10","1","1") = "9"
    & skf18("2","4","7","8","10","2","1") = "9"
    & skf18("2","4","7","8","10","3","1") = "9"
    & skf18("2","4","7","8","10","4","1") = "9"
    & skf18("2","4","7","8","10","5","1") = "9"
    & skf18("2","4","7","8","10","6","1") = "9"
    & skf18("2","4","7","8","10","7","1") = "9"
    & skf18("2","4","7","8","10","8","1") = "9"
    & skf18("2","4","7","8","10","9","1") = "9"
    & skf18("2","4","7","8","10","10","1") = "9"
    & skf18("2","4","7","9","1","1","1") = "8"
    & skf18("2","4","7","9","1","2","1") = "8"
    & skf18("2","4","7","9","1","3","1") = "8"
    & skf18("2","4","7","9","1","4","1") = "8"
    & skf18("2","4","7","9","1","5","1") = "8"
    & skf18("2","4","7","9","1","6","1") = "8"
    & skf18("2","4","7","9","1","7","1") = "8"
    & skf18("2","4","7","9","1","8","1") = "8"
    & skf18("2","4","7","9","1","9","1") = "8"
    & skf18("2","4","7","9","1","10","1") = "9"
    & skf18("2","4","7","9","2","1","1") = "8"
    & skf18("2","4","7","9","2","2","1") = "8"
    & skf18("2","4","7","9","2","3","1") = "8"
    & skf18("2","4","7","9","2","4","1") = "8"
    & skf18("2","4","7","9","2","5","1") = "8"
    & skf18("2","4","7","9","2","6","1") = "8"
    & skf18("2","4","7","9","2","7","1") = "8"
    & skf18("2","4","7","9","2","8","1") = "8"
    & skf18("2","4","7","9","2","9","1") = "8"
    & skf18("2","4","7","9","2","10","1") = "9"
    & skf18("2","4","7","9","3","1","1") = "8"
    & skf18("2","4","7","9","3","2","1") = "8"
    & skf18("2","4","7","9","3","3","1") = "8"
    & skf18("2","4","7","9","3","4","1") = "8"
    & skf18("2","4","7","9","3","5","1") = "8"
    & skf18("2","4","7","9","3","6","1") = "8"
    & skf18("2","4","7","9","3","7","1") = "8"
    & skf18("2","4","7","9","3","8","1") = "8"
    & skf18("2","4","7","9","3","9","1") = "8"
    & skf18("2","4","7","9","3","10","1") = "9"
    & skf18("2","4","7","9","4","1","1") = "8"
    & skf18("2","4","7","9","4","2","1") = "8"
    & skf18("2","4","7","9","4","3","1") = "8"
    & skf18("2","4","7","9","4","4","1") = "8"
    & skf18("2","4","7","9","4","5","1") = "8"
    & skf18("2","4","7","9","4","6","1") = "8"
    & skf18("2","4","7","9","4","7","1") = "8"
    & skf18("2","4","7","9","4","8","1") = "8"
    & skf18("2","4","7","9","4","9","1") = "8"
    & skf18("2","4","7","9","4","10","1") = "9"
    & skf18("2","4","7","9","5","1","1") = "8"
    & skf18("2","4","7","9","5","2","1") = "8"
    & skf18("2","4","7","9","5","3","1") = "8"
    & skf18("2","4","7","9","5","4","1") = "8"
    & skf18("2","4","7","9","5","5","1") = "8"
    & skf18("2","4","7","9","5","6","1") = "8"
    & skf18("2","4","7","9","5","7","1") = "8"
    & skf18("2","4","7","9","5","8","1") = "8"
    & skf18("2","4","7","9","5","9","1") = "8"
    & skf18("2","4","7","9","5","10","1") = "9"
    & skf18("2","4","7","9","6","1","1") = "8"
    & skf18("2","4","7","9","6","2","1") = "8"
    & skf18("2","4","7","9","6","3","1") = "8"
    & skf18("2","4","7","9","6","4","1") = "8"
    & skf18("2","4","7","9","6","5","1") = "8"
    & skf18("2","4","7","9","6","6","1") = "8"
    & skf18("2","4","7","9","6","7","1") = "8"
    & skf18("2","4","7","9","6","8","1") = "8"
    & skf18("2","4","7","9","6","9","1") = "8"
    & skf18("2","4","7","9","6","10","1") = "9"
    & skf18("2","4","7","9","7","1","1") = "8"
    & skf18("2","4","7","9","7","2","1") = "8"
    & skf18("2","4","7","9","7","3","1") = "8"
    & skf18("2","4","7","9","7","4","1") = "8"
    & skf18("2","4","7","9","7","5","1") = "8"
    & skf18("2","4","7","9","7","6","1") = "8"
    & skf18("2","4","7","9","7","7","1") = "8"
    & skf18("2","4","7","9","7","8","1") = "8"
    & skf18("2","4","7","9","7","9","1") = "8"
    & skf18("2","4","7","9","7","10","1") = "9"
    & skf18("2","4","7","9","8","1","1") = "8"
    & skf18("2","4","7","9","8","2","1") = "8"
    & skf18("2","4","7","9","8","3","1") = "8"
    & skf18("2","4","7","9","8","4","1") = "8"
    & skf18("2","4","7","9","8","5","1") = "8"
    & skf18("2","4","7","9","8","6","1") = "8"
    & skf18("2","4","7","9","8","7","1") = "8"
    & skf18("2","4","7","9","8","8","1") = "8"
    & skf18("2","4","7","9","8","9","1") = "8"
    & skf18("2","4","7","9","8","10","1") = "9"
    & skf18("2","4","7","9","9","1","1") = "8"
    & skf18("2","4","7","9","9","2","1") = "8"
    & skf18("2","4","7","9","9","3","1") = "8"
    & skf18("2","4","7","9","9","4","1") = "8"
    & skf18("2","4","7","9","9","5","1") = "8"
    & skf18("2","4","7","9","9","6","1") = "8"
    & skf18("2","4","7","9","9","7","1") = "8"
    & skf18("2","4","7","9","9","8","1") = "8"
    & skf18("2","4","7","9","9","9","1") = "8"
    & skf18("2","4","7","9","9","10","1") = "9"
    & skf18("2","4","7","9","10","1","1") = "9"
    & skf18("2","4","7","9","10","2","1") = "9"
    & skf18("2","4","7","9","10","3","1") = "9"
    & skf18("2","4","7","9","10","4","1") = "9"
    & skf18("2","4","7","9","10","5","1") = "9"
    & skf18("2","4","7","9","10","6","1") = "9"
    & skf18("2","4","7","9","10","7","1") = "9"
    & skf18("2","4","7","9","10","8","1") = "9"
    & skf18("2","4","7","9","10","9","1") = "9"
    & skf18("2","4","7","9","10","10","1") = "9"
    & skf18("2","4","7","10","1","1","1") = "9"
    & skf18("2","4","7","10","1","2","1") = "9"
    & skf18("2","4","7","10","1","3","1") = "9"
    & skf18("2","4","7","10","1","4","1") = "9"
    & skf18("2","4","7","10","1","5","1") = "9"
    & skf18("2","4","7","10","1","6","1") = "9"
    & skf18("2","4","7","10","1","7","1") = "9"
    & skf18("2","4","7","10","1","8","1") = "9"
    & skf18("2","4","7","10","1","9","1") = "9"
    & skf18("2","4","7","10","1","10","1") = "9"
    & skf18("2","4","7","10","2","1","1") = "9"
    & skf18("2","4","7","10","2","2","1") = "9"
    & skf18("2","4","7","10","2","3","1") = "9"
    & skf18("2","4","7","10","2","4","1") = "9"
    & skf18("2","4","7","10","2","5","1") = "9"
    & skf18("2","4","7","10","2","6","1") = "9"
    & skf18("2","4","7","10","2","7","1") = "9"
    & skf18("2","4","7","10","2","8","1") = "9"
    & skf18("2","4","7","10","2","9","1") = "9"
    & skf18("2","4","7","10","2","10","1") = "9"
    & skf18("2","4","7","10","3","1","1") = "9"
    & skf18("2","4","7","10","3","2","1") = "9"
    & skf18("2","4","7","10","3","3","1") = "9"
    & skf18("2","4","7","10","3","4","1") = "9"
    & skf18("2","4","7","10","3","5","1") = "9"
    & skf18("2","4","7","10","3","6","1") = "9"
    & skf18("2","4","7","10","3","7","1") = "9"
    & skf18("2","4","7","10","3","8","1") = "9"
    & skf18("2","4","7","10","3","9","1") = "9"
    & skf18("2","4","7","10","3","10","1") = "9"
    & skf18("2","4","7","10","4","1","1") = "9"
    & skf18("2","4","7","10","4","2","1") = "9"
    & skf18("2","4","7","10","4","3","1") = "9"
    & skf18("2","4","7","10","4","4","1") = "9"
    & skf18("2","4","7","10","4","5","1") = "9"
    & skf18("2","4","7","10","4","6","1") = "9"
    & skf18("2","4","7","10","4","7","1") = "9"
    & skf18("2","4","7","10","4","8","1") = "9"
    & skf18("2","4","7","10","4","9","1") = "9"
    & skf18("2","4","7","10","4","10","1") = "9"
    & skf18("2","4","7","10","5","1","1") = "9"
    & skf18("2","4","7","10","5","2","1") = "9"
    & skf18("2","4","7","10","5","3","1") = "9"
    & skf18("2","4","7","10","5","4","1") = "9"
    & skf18("2","4","7","10","5","5","1") = "9"
    & skf18("2","4","7","10","5","6","1") = "9"
    & skf18("2","4","7","10","5","7","1") = "9"
    & skf18("2","4","7","10","5","8","1") = "9"
    & skf18("2","4","7","10","5","9","1") = "9"
    & skf18("2","4","7","10","5","10","1") = "9"
    & skf18("2","4","7","10","6","1","1") = "9"
    & skf18("2","4","7","10","6","2","1") = "9"
    & skf18("2","4","7","10","6","3","1") = "9"
    & skf18("2","4","7","10","6","4","1") = "9"
    & skf18("2","4","7","10","6","5","1") = "9"
    & skf18("2","4","7","10","6","6","1") = "9"
    & skf18("2","4","7","10","6","7","1") = "9"
    & skf18("2","4","7","10","6","8","1") = "9"
    & skf18("2","4","7","10","6","9","1") = "9"
    & skf18("2","4","7","10","6","10","1") = "9"
    & skf18("2","4","7","10","7","1","1") = "9"
    & skf18("2","4","7","10","7","2","1") = "9"
    & skf18("2","4","7","10","7","3","1") = "9"
    & skf18("2","4","7","10","7","4","1") = "9"
    & skf18("2","4","7","10","7","5","1") = "9"
    & skf18("2","4","7","10","7","6","1") = "9"
    & skf18("2","4","7","10","7","7","1") = "9"
    & skf18("2","4","7","10","7","8","1") = "9"
    & skf18("2","4","7","10","7","9","1") = "9"
    & skf18("2","4","7","10","7","10","1") = "9"
    & skf18("2","4","7","10","8","1","1") = "9"
    & skf18("2","4","7","10","8","2","1") = "9"
    & skf18("2","4","7","10","8","3","1") = "9"
    & skf18("2","4","7","10","8","4","1") = "9"
    & skf18("2","4","7","10","8","5","1") = "9"
    & skf18("2","4","7","10","8","6","1") = "9"
    & skf18("2","4","7","10","8","7","1") = "9"
    & skf18("2","4","7","10","8","8","1") = "9"
    & skf18("2","4","7","10","8","9","1") = "9"
    & skf18("2","4","7","10","8","10","1") = "9"
    & skf18("2","4","7","10","9","1","1") = "9"
    & skf18("2","4","7","10","9","2","1") = "9"
    & skf18("2","4","7","10","9","3","1") = "9"
    & skf18("2","4","7","10","9","4","1") = "9"
    & skf18("2","4","7","10","9","5","1") = "9"
    & skf18("2","4","7","10","9","6","1") = "9"
    & skf18("2","4","7","10","9","7","1") = "9"
    & skf18("2","4","7","10","9","8","1") = "9"
    & skf18("2","4","7","10","9","9","1") = "9"
    & skf18("2","4","7","10","9","10","1") = "9"
    & skf18("2","4","7","10","10","1","1") = "9"
    & skf18("2","4","7","10","10","2","1") = "9"
    & skf18("2","4","7","10","10","3","1") = "9"
    & skf18("2","4","7","10","10","4","1") = "9"
    & skf18("2","4","7","10","10","5","1") = "9"
    & skf18("2","4","7","10","10","6","1") = "9"
    & skf18("2","4","7","10","10","7","1") = "9"
    & skf18("2","4","7","10","10","8","1") = "9"
    & skf18("2","4","7","10","10","9","1") = "9"
    & skf18("2","4","7","10","10","10","1") = "9"
    & skf18("2","4","8","1","1","1","1") = "7"
    & skf18("2","4","8","1","1","2","1") = "7"
    & skf18("2","4","8","1","1","3","1") = "7"
    & skf18("2","4","8","1","1","4","1") = "7"
    & skf18("2","4","8","1","1","5","1") = "7"
    & skf18("2","4","8","1","1","6","1") = "7"
    & skf18("2","4","8","1","1","7","1") = "7"
    & skf18("2","4","8","1","1","8","1") = "7"
    & skf18("2","4","8","1","1","9","1") = "8"
    & skf18("2","4","8","1","1","10","1") = "9"
    & skf18("2","4","8","1","2","1","1") = "7"
    & skf18("2","4","8","1","2","2","1") = "7"
    & skf18("2","4","8","1","2","3","1") = "7"
    & skf18("2","4","8","1","2","4","1") = "7"
    & skf18("2","4","8","1","2","5","1") = "7"
    & skf18("2","4","8","1","2","6","1") = "7"
    & skf18("2","4","8","1","2","7","1") = "7"
    & skf18("2","4","8","1","2","8","1") = "7"
    & skf18("2","4","8","1","2","9","1") = "8"
    & skf18("2","4","8","1","2","10","1") = "9"
    & skf18("2","4","8","1","3","1","1") = "7"
    & skf18("2","4","8","1","3","2","1") = "7"
    & skf18("2","4","8","1","3","3","1") = "7"
    & skf18("2","4","8","1","3","4","1") = "7"
    & skf18("2","4","8","1","3","5","1") = "7"
    & skf18("2","4","8","1","3","6","1") = "7"
    & skf18("2","4","8","1","3","7","1") = "7"
    & skf18("2","4","8","1","3","8","1") = "7"
    & skf18("2","4","8","1","3","9","1") = "8"
    & skf18("2","4","8","1","3","10","1") = "9"
    & skf18("2","4","8","1","4","1","1") = "7"
    & skf18("2","4","8","1","4","2","1") = "7"
    & skf18("2","4","8","1","4","3","1") = "7"
    & skf18("2","4","8","1","4","4","1") = "7"
    & skf18("2","4","8","1","4","5","1") = "7"
    & skf18("2","4","8","1","4","6","1") = "7"
    & skf18("2","4","8","1","4","7","1") = "7"
    & skf18("2","4","8","1","4","8","1") = "7"
    & skf18("2","4","8","1","4","9","1") = "8"
    & skf18("2","4","8","1","4","10","1") = "9"
    & skf18("2","4","8","1","5","1","1") = "7"
    & skf18("2","4","8","1","5","2","1") = "7"
    & skf18("2","4","8","1","5","3","1") = "7"
    & skf18("2","4","8","1","5","4","1") = "7"
    & skf18("2","4","8","1","5","5","1") = "7"
    & skf18("2","4","8","1","5","6","1") = "7"
    & skf18("2","4","8","1","5","7","1") = "7"
    & skf18("2","4","8","1","5","8","1") = "7"
    & skf18("2","4","8","1","5","9","1") = "8"
    & skf18("2","4","8","1","5","10","1") = "9"
    & skf18("2","4","8","1","6","1","1") = "7"
    & skf18("2","4","8","1","6","2","1") = "7"
    & skf18("2","4","8","1","6","3","1") = "7"
    & skf18("2","4","8","1","6","4","1") = "7"
    & skf18("2","4","8","1","6","5","1") = "7"
    & skf18("2","4","8","1","6","6","1") = "7"
    & skf18("2","4","8","1","6","7","1") = "7"
    & skf18("2","4","8","1","6","8","1") = "7"
    & skf18("2","4","8","1","6","9","1") = "8"
    & skf18("2","4","8","1","6","10","1") = "9"
    & skf18("2","4","8","1","7","1","1") = "7"
    & skf18("2","4","8","1","7","2","1") = "7"
    & skf18("2","4","8","1","7","3","1") = "7"
    & skf18("2","4","8","1","7","4","1") = "7"
    & skf18("2","4","8","1","7","5","1") = "7"
    & skf18("2","4","8","1","7","6","1") = "7"
    & skf18("2","4","8","1","7","7","1") = "7"
    & skf18("2","4","8","1","7","8","1") = "7"
    & skf18("2","4","8","1","7","9","1") = "8"
    & skf18("2","4","8","1","7","10","1") = "9"
    & skf18("2","4","8","1","8","1","1") = "7"
    & skf18("2","4","8","1","8","2","1") = "7"
    & skf18("2","4","8","1","8","3","1") = "7"
    & skf18("2","4","8","1","8","4","1") = "7"
    & skf18("2","4","8","1","8","5","1") = "7"
    & skf18("2","4","8","1","8","6","1") = "7"
    & skf18("2","4","8","1","8","7","1") = "7"
    & skf18("2","4","8","1","8","8","1") = "7"
    & skf18("2","4","8","1","8","9","1") = "8"
    & skf18("2","4","8","1","8","10","1") = "9"
    & skf18("2","4","8","1","9","1","1") = "8"
    & skf18("2","4","8","1","9","2","1") = "8"
    & skf18("2","4","8","1","9","3","1") = "8"
    & skf18("2","4","8","1","9","4","1") = "8"
    & skf18("2","4","8","1","9","5","1") = "8"
    & skf18("2","4","8","1","9","6","1") = "8"
    & skf18("2","4","8","1","9","7","1") = "8"
    & skf18("2","4","8","1","9","8","1") = "8"
    & skf18("2","4","8","1","9","9","1") = "8"
    & skf18("2","4","8","1","9","10","1") = "9"
    & skf18("2","4","8","1","10","1","1") = "9"
    & skf18("2","4","8","1","10","2","1") = "9"
    & skf18("2","4","8","1","10","3","1") = "9"
    & skf18("2","4","8","1","10","4","1") = "9"
    & skf18("2","4","8","1","10","5","1") = "9"
    & skf18("2","4","8","1","10","6","1") = "9"
    & skf18("2","4","8","1","10","7","1") = "9"
    & skf18("2","4","8","1","10","8","1") = "9"
    & skf18("2","4","8","1","10","9","1") = "9"
    & skf18("2","4","8","1","10","10","1") = "9"
    & skf18("2","4","8","2","1","1","1") = "7"
    & skf18("2","4","8","2","1","2","1") = "7"
    & skf18("2","4","8","2","1","3","1") = "7"
    & skf18("2","4","8","2","1","4","1") = "7"
    & skf18("2","4","8","2","1","5","1") = "7"
    & skf18("2","4","8","2","1","6","1") = "7"
    & skf18("2","4","8","2","1","7","1") = "7"
    & skf18("2","4","8","2","1","8","1") = "7"
    & skf18("2","4","8","2","1","9","1") = "8"
    & skf18("2","4","8","2","1","10","1") = "9"
    & skf18("2","4","8","2","2","1","1") = "7"
    & skf18("2","4","8","2","2","2","1") = "7"
    & skf18("2","4","8","2","2","3","1") = "7"
    & skf18("2","4","8","2","2","4","1") = "7"
    & skf18("2","4","8","2","2","5","1") = "7"
    & skf18("2","4","8","2","2","6","1") = "7"
    & skf18("2","4","8","2","2","7","1") = "7"
    & skf18("2","4","8","2","2","8","1") = "7"
    & skf18("2","4","8","2","2","9","1") = "8"
    & skf18("2","4","8","2","2","10","1") = "9"
    & skf18("2","4","8","2","3","1","1") = "7"
    & skf18("2","4","8","2","3","2","1") = "7"
    & skf18("2","4","8","2","3","3","1") = "7"
    & skf18("2","4","8","2","3","4","1") = "7"
    & skf18("2","4","8","2","3","5","1") = "7"
    & skf18("2","4","8","2","3","6","1") = "7"
    & skf18("2","4","8","2","3","7","1") = "7"
    & skf18("2","4","8","2","3","8","1") = "7"
    & skf18("2","4","8","2","3","9","1") = "8"
    & skf18("2","4","8","2","3","10","1") = "9"
    & skf18("2","4","8","2","4","1","1") = "7"
    & skf18("2","4","8","2","4","2","1") = "7"
    & skf18("2","4","8","2","4","3","1") = "7"
    & skf18("2","4","8","2","4","4","1") = "7"
    & skf18("2","4","8","2","4","5","1") = "7"
    & skf18("2","4","8","2","4","6","1") = "7"
    & skf18("2","4","8","2","4","7","1") = "7"
    & skf18("2","4","8","2","4","8","1") = "7"
    & skf18("2","4","8","2","4","9","1") = "8"
    & skf18("2","4","8","2","4","10","1") = "9"
    & skf18("2","4","8","2","5","1","1") = "7"
    & skf18("2","4","8","2","5","2","1") = "7"
    & skf18("2","4","8","2","5","3","1") = "7"
    & skf18("2","4","8","2","5","4","1") = "7"
    & skf18("2","4","8","2","5","5","1") = "7"
    & skf18("2","4","8","2","5","6","1") = "7"
    & skf18("2","4","8","2","5","7","1") = "7"
    & skf18("2","4","8","2","5","8","1") = "7"
    & skf18("2","4","8","2","5","9","1") = "8"
    & skf18("2","4","8","2","5","10","1") = "9"
    & skf18("2","4","8","2","6","1","1") = "7"
    & skf18("2","4","8","2","6","2","1") = "7"
    & skf18("2","4","8","2","6","3","1") = "7"
    & skf18("2","4","8","2","6","4","1") = "7"
    & skf18("2","4","8","2","6","5","1") = "7"
    & skf18("2","4","8","2","6","6","1") = "7"
    & skf18("2","4","8","2","6","7","1") = "7"
    & skf18("2","4","8","2","6","8","1") = "7"
    & skf18("2","4","8","2","6","9","1") = "8"
    & skf18("2","4","8","2","6","10","1") = "9"
    & skf18("2","4","8","2","7","1","1") = "7"
    & skf18("2","4","8","2","7","2","1") = "7"
    & skf18("2","4","8","2","7","3","1") = "7"
    & skf18("2","4","8","2","7","4","1") = "7"
    & skf18("2","4","8","2","7","5","1") = "7"
    & skf18("2","4","8","2","7","6","1") = "7"
    & skf18("2","4","8","2","7","7","1") = "7"
    & skf18("2","4","8","2","7","8","1") = "7"
    & skf18("2","4","8","2","7","9","1") = "8"
    & skf18("2","4","8","2","7","10","1") = "9"
    & skf18("2","4","8","2","8","1","1") = "7"
    & skf18("2","4","8","2","8","2","1") = "7"
    & skf18("2","4","8","2","8","3","1") = "7"
    & skf18("2","4","8","2","8","4","1") = "7"
    & skf18("2","4","8","2","8","5","1") = "7"
    & skf18("2","4","8","2","8","6","1") = "7"
    & skf18("2","4","8","2","8","7","1") = "7"
    & skf18("2","4","8","2","8","8","1") = "7"
    & skf18("2","4","8","2","8","9","1") = "8"
    & skf18("2","4","8","2","8","10","1") = "9"
    & skf18("2","4","8","2","9","1","1") = "8"
    & skf18("2","4","8","2","9","2","1") = "8"
    & skf18("2","4","8","2","9","3","1") = "8"
    & skf18("2","4","8","2","9","4","1") = "8"
    & skf18("2","4","8","2","9","5","1") = "8"
    & skf18("2","4","8","2","9","6","1") = "8"
    & skf18("2","4","8","2","9","7","1") = "8"
    & skf18("2","4","8","2","9","8","1") = "8"
    & skf18("2","4","8","2","9","9","1") = "8"
    & skf18("2","4","8","2","9","10","1") = "9"
    & skf18("2","4","8","2","10","1","1") = "9"
    & skf18("2","4","8","2","10","2","1") = "9"
    & skf18("2","4","8","2","10","3","1") = "9"
    & skf18("2","4","8","2","10","4","1") = "9"
    & skf18("2","4","8","2","10","5","1") = "9"
    & skf18("2","4","8","2","10","6","1") = "9"
    & skf18("2","4","8","2","10","7","1") = "9"
    & skf18("2","4","8","2","10","8","1") = "9"
    & skf18("2","4","8","2","10","9","1") = "9"
    & skf18("2","4","8","2","10","10","1") = "9"
    & skf18("2","4","8","3","1","1","1") = "7"
    & skf18("2","4","8","3","1","2","1") = "7"
    & skf18("2","4","8","3","1","3","1") = "7"
    & skf18("2","4","8","3","1","4","1") = "7"
    & skf18("2","4","8","3","1","5","1") = "7"
    & skf18("2","4","8","3","1","6","1") = "7"
    & skf18("2","4","8","3","1","7","1") = "7"
    & skf18("2","4","8","3","1","8","1") = "7"
    & skf18("2","4","8","3","1","9","1") = "8"
    & skf18("2","4","8","3","1","10","1") = "9"
    & skf18("2","4","8","3","2","1","1") = "7"
    & skf18("2","4","8","3","2","2","1") = "7"
    & skf18("2","4","8","3","2","3","1") = "7"
    & skf18("2","4","8","3","2","4","1") = "7"
    & skf18("2","4","8","3","2","5","1") = "7"
    & skf18("2","4","8","3","2","6","1") = "7"
    & skf18("2","4","8","3","2","7","1") = "7"
    & skf18("2","4","8","3","2","8","1") = "7"
    & skf18("2","4","8","3","2","9","1") = "8"
    & skf18("2","4","8","3","2","10","1") = "9"
    & skf18("2","4","8","3","3","1","1") = "7"
    & skf18("2","4","8","3","3","2","1") = "7"
    & skf18("2","4","8","3","3","3","1") = "7"
    & skf18("2","4","8","3","3","4","1") = "7"
    & skf18("2","4","8","3","3","5","1") = "7"
    & skf18("2","4","8","3","3","6","1") = "7"
    & skf18("2","4","8","3","3","7","1") = "7"
    & skf18("2","4","8","3","3","8","1") = "7"
    & skf18("2","4","8","3","3","9","1") = "8"
    & skf18("2","4","8","3","3","10","1") = "9"
    & skf18("2","4","8","3","4","1","1") = "7"
    & skf18("2","4","8","3","4","2","1") = "7"
    & skf18("2","4","8","3","4","3","1") = "7"
    & skf18("2","4","8","3","4","4","1") = "7"
    & skf18("2","4","8","3","4","5","1") = "7"
    & skf18("2","4","8","3","4","6","1") = "7"
    & skf18("2","4","8","3","4","7","1") = "7"
    & skf18("2","4","8","3","4","8","1") = "7"
    & skf18("2","4","8","3","4","9","1") = "8"
    & skf18("2","4","8","3","4","10","1") = "9"
    & skf18("2","4","8","3","5","1","1") = "7"
    & skf18("2","4","8","3","5","2","1") = "7"
    & skf18("2","4","8","3","5","3","1") = "7"
    & skf18("2","4","8","3","5","4","1") = "7"
    & skf18("2","4","8","3","5","5","1") = "7"
    & skf18("2","4","8","3","5","6","1") = "7"
    & skf18("2","4","8","3","5","7","1") = "7"
    & skf18("2","4","8","3","5","8","1") = "7"
    & skf18("2","4","8","3","5","9","1") = "8"
    & skf18("2","4","8","3","5","10","1") = "9"
    & skf18("2","4","8","3","6","1","1") = "7"
    & skf18("2","4","8","3","6","2","1") = "7"
    & skf18("2","4","8","3","6","3","1") = "7"
    & skf18("2","4","8","3","6","4","1") = "7"
    & skf18("2","4","8","3","6","5","1") = "7"
    & skf18("2","4","8","3","6","6","1") = "7"
    & skf18("2","4","8","3","6","7","1") = "7"
    & skf18("2","4","8","3","6","8","1") = "7"
    & skf18("2","4","8","3","6","9","1") = "8"
    & skf18("2","4","8","3","6","10","1") = "9"
    & skf18("2","4","8","3","7","1","1") = "7"
    & skf18("2","4","8","3","7","2","1") = "7"
    & skf18("2","4","8","3","7","3","1") = "7"
    & skf18("2","4","8","3","7","4","1") = "7"
    & skf18("2","4","8","3","7","5","1") = "7"
    & skf18("2","4","8","3","7","6","1") = "7"
    & skf18("2","4","8","3","7","7","1") = "7"
    & skf18("2","4","8","3","7","8","1") = "7"
    & skf18("2","4","8","3","7","9","1") = "8"
    & skf18("2","4","8","3","7","10","1") = "9"
    & skf18("2","4","8","3","8","1","1") = "7"
    & skf18("2","4","8","3","8","2","1") = "7"
    & skf18("2","4","8","3","8","3","1") = "7"
    & skf18("2","4","8","3","8","4","1") = "7"
    & skf18("2","4","8","3","8","5","1") = "7"
    & skf18("2","4","8","3","8","6","1") = "7"
    & skf18("2","4","8","3","8","7","1") = "7"
    & skf18("2","4","8","3","8","8","1") = "7"
    & skf18("2","4","8","3","8","9","1") = "8"
    & skf18("2","4","8","3","8","10","1") = "9"
    & skf18("2","4","8","3","9","1","1") = "8"
    & skf18("2","4","8","3","9","2","1") = "8"
    & skf18("2","4","8","3","9","3","1") = "8"
    & skf18("2","4","8","3","9","4","1") = "8"
    & skf18("2","4","8","3","9","5","1") = "8"
    & skf18("2","4","8","3","9","6","1") = "8"
    & skf18("2","4","8","3","9","7","1") = "8"
    & skf18("2","4","8","3","9","8","1") = "8"
    & skf18("2","4","8","3","9","9","1") = "8"
    & skf18("2","4","8","3","9","10","1") = "9"
    & skf18("2","4","8","3","10","1","1") = "9"
    & skf18("2","4","8","3","10","2","1") = "9"
    & skf18("2","4","8","3","10","3","1") = "9"
    & skf18("2","4","8","3","10","4","1") = "9"
    & skf18("2","4","8","3","10","5","1") = "9"
    & skf18("2","4","8","3","10","6","1") = "9"
    & skf18("2","4","8","3","10","7","1") = "9"
    & skf18("2","4","8","3","10","8","1") = "9"
    & skf18("2","4","8","3","10","9","1") = "9"
    & skf18("2","4","8","3","10","10","1") = "9"
    & skf18("2","4","8","4","1","1","1") = "7"
    & skf18("2","4","8","4","1","2","1") = "7"
    & skf18("2","4","8","4","1","3","1") = "7"
    & skf18("2","4","8","4","1","4","1") = "7"
    & skf18("2","4","8","4","1","5","1") = "7"
    & skf18("2","4","8","4","1","6","1") = "7"
    & skf18("2","4","8","4","1","7","1") = "7"
    & skf18("2","4","8","4","1","8","1") = "7"
    & skf18("2","4","8","4","1","9","1") = "8"
    & skf18("2","4","8","4","1","10","1") = "9"
    & skf18("2","4","8","4","2","1","1") = "7"
    & skf18("2","4","8","4","2","2","1") = "7"
    & skf18("2","4","8","4","2","3","1") = "7"
    & skf18("2","4","8","4","2","4","1") = "7"
    & skf18("2","4","8","4","2","5","1") = "7"
    & skf18("2","4","8","4","2","6","1") = "7"
    & skf18("2","4","8","4","2","7","1") = "7"
    & skf18("2","4","8","4","2","8","1") = "7"
    & skf18("2","4","8","4","2","9","1") = "8"
    & skf18("2","4","8","4","2","10","1") = "9"
    & skf18("2","4","8","4","3","1","1") = "7"
    & skf18("2","4","8","4","3","2","1") = "7"
    & skf18("2","4","8","4","3","3","1") = "7"
    & skf18("2","4","8","4","3","4","1") = "7"
    & skf18("2","4","8","4","3","5","1") = "7"
    & skf18("2","4","8","4","3","6","1") = "7"
    & skf18("2","4","8","4","3","7","1") = "7"
    & skf18("2","4","8","4","3","8","1") = "7"
    & skf18("2","4","8","4","3","9","1") = "8"
    & skf18("2","4","8","4","3","10","1") = "9"
    & skf18("2","4","8","4","4","1","1") = "7"
    & skf18("2","4","8","4","4","2","1") = "7"
    & skf18("2","4","8","4","4","3","1") = "7"
    & skf18("2","4","8","4","4","4","1") = "7"
    & skf18("2","4","8","4","4","5","1") = "7"
    & skf18("2","4","8","4","4","6","1") = "7"
    & skf18("2","4","8","4","4","7","1") = "7"
    & skf18("2","4","8","4","4","8","1") = "7"
    & skf18("2","4","8","4","4","9","1") = "8"
    & skf18("2","4","8","4","4","10","1") = "9"
    & skf18("2","4","8","4","5","1","1") = "7"
    & skf18("2","4","8","4","5","2","1") = "7"
    & skf18("2","4","8","4","5","3","1") = "7"
    & skf18("2","4","8","4","5","4","1") = "7"
    & skf18("2","4","8","4","5","5","1") = "7"
    & skf18("2","4","8","4","5","6","1") = "7"
    & skf18("2","4","8","4","5","7","1") = "7"
    & skf18("2","4","8","4","5","8","1") = "7"
    & skf18("2","4","8","4","5","9","1") = "8"
    & skf18("2","4","8","4","5","10","1") = "9"
    & skf18("2","4","8","4","6","1","1") = "7"
    & skf18("2","4","8","4","6","2","1") = "7"
    & skf18("2","4","8","4","6","3","1") = "7"
    & skf18("2","4","8","4","6","4","1") = "7"
    & skf18("2","4","8","4","6","5","1") = "7"
    & skf18("2","4","8","4","6","6","1") = "7"
    & skf18("2","4","8","4","6","7","1") = "7"
    & skf18("2","4","8","4","6","8","1") = "7"
    & skf18("2","4","8","4","6","9","1") = "8"
    & skf18("2","4","8","4","6","10","1") = "9"
    & skf18("2","4","8","4","7","1","1") = "7"
    & skf18("2","4","8","4","7","2","1") = "7"
    & skf18("2","4","8","4","7","3","1") = "7"
    & skf18("2","4","8","4","7","4","1") = "7"
    & skf18("2","4","8","4","7","5","1") = "7"
    & skf18("2","4","8","4","7","6","1") = "7"
    & skf18("2","4","8","4","7","7","1") = "7"
    & skf18("2","4","8","4","7","8","1") = "7"
    & skf18("2","4","8","4","7","9","1") = "8"
    & skf18("2","4","8","4","7","10","1") = "9"
    & skf18("2","4","8","4","8","1","1") = "7"
    & skf18("2","4","8","4","8","2","1") = "7"
    & skf18("2","4","8","4","8","3","1") = "7"
    & skf18("2","4","8","4","8","4","1") = "7"
    & skf18("2","4","8","4","8","5","1") = "7"
    & skf18("2","4","8","4","8","6","1") = "7"
    & skf18("2","4","8","4","8","7","1") = "7"
    & skf18("2","4","8","4","8","8","1") = "7"
    & skf18("2","4","8","4","8","9","1") = "8"
    & skf18("2","4","8","4","8","10","1") = "9"
    & skf18("2","4","8","4","9","1","1") = "8"
    & skf18("2","4","8","4","9","2","1") = "8"
    & skf18("2","4","8","4","9","3","1") = "8"
    & skf18("2","4","8","4","9","4","1") = "8"
    & skf18("2","4","8","4","9","5","1") = "8"
    & skf18("2","4","8","4","9","6","1") = "8"
    & skf18("2","4","8","4","9","7","1") = "8"
    & skf18("2","4","8","4","9","8","1") = "8"
    & skf18("2","4","8","4","9","9","1") = "8"
    & skf18("2","4","8","4","9","10","1") = "9"
    & skf18("2","4","8","4","10","1","1") = "9"
    & skf18("2","4","8","4","10","2","1") = "9"
    & skf18("2","4","8","4","10","3","1") = "9"
    & skf18("2","4","8","4","10","4","1") = "9"
    & skf18("2","4","8","4","10","5","1") = "9"
    & skf18("2","4","8","4","10","6","1") = "9"
    & skf18("2","4","8","4","10","7","1") = "9"
    & skf18("2","4","8","4","10","8","1") = "9"
    & skf18("2","4","8","4","10","9","1") = "9"
    & skf18("2","4","8","4","10","10","1") = "9"
    & skf18("2","4","8","5","1","1","1") = "7"
    & skf18("2","4","8","5","1","2","1") = "7"
    & skf18("2","4","8","5","1","3","1") = "7"
    & skf18("2","4","8","5","1","4","1") = "7"
    & skf18("2","4","8","5","1","5","1") = "7"
    & skf18("2","4","8","5","1","6","1") = "7"
    & skf18("2","4","8","5","1","7","1") = "7"
    & skf18("2","4","8","5","1","8","1") = "7"
    & skf18("2","4","8","5","1","9","1") = "8"
    & skf18("2","4","8","5","1","10","1") = "9"
    & skf18("2","4","8","5","2","1","1") = "7"
    & skf18("2","4","8","5","2","2","1") = "7"
    & skf18("2","4","8","5","2","3","1") = "7"
    & skf18("2","4","8","5","2","4","1") = "7"
    & skf18("2","4","8","5","2","5","1") = "7"
    & skf18("2","4","8","5","2","6","1") = "7"
    & skf18("2","4","8","5","2","7","1") = "7"
    & skf18("2","4","8","5","2","8","1") = "7"
    & skf18("2","4","8","5","2","9","1") = "8"
    & skf18("2","4","8","5","2","10","1") = "9"
    & skf18("2","4","8","5","3","1","1") = "7"
    & skf18("2","4","8","5","3","2","1") = "7"
    & skf18("2","4","8","5","3","3","1") = "7"
    & skf18("2","4","8","5","3","4","1") = "7"
    & skf18("2","4","8","5","3","5","1") = "7"
    & skf18("2","4","8","5","3","6","1") = "7"
    & skf18("2","4","8","5","3","7","1") = "7"
    & skf18("2","4","8","5","3","8","1") = "7"
    & skf18("2","4","8","5","3","9","1") = "8"
    & skf18("2","4","8","5","3","10","1") = "9"
    & skf18("2","4","8","5","4","1","1") = "7"
    & skf18("2","4","8","5","4","2","1") = "7"
    & skf18("2","4","8","5","4","3","1") = "7"
    & skf18("2","4","8","5","4","4","1") = "7"
    & skf18("2","4","8","5","4","5","1") = "7"
    & skf18("2","4","8","5","4","6","1") = "7"
    & skf18("2","4","8","5","4","7","1") = "7"
    & skf18("2","4","8","5","4","8","1") = "7"
    & skf18("2","4","8","5","4","9","1") = "8"
    & skf18("2","4","8","5","4","10","1") = "9"
    & skf18("2","4","8","5","5","1","1") = "7"
    & skf18("2","4","8","5","5","2","1") = "7"
    & skf18("2","4","8","5","5","3","1") = "7"
    & skf18("2","4","8","5","5","4","1") = "7"
    & skf18("2","4","8","5","5","5","1") = "7"
    & skf18("2","4","8","5","5","6","1") = "7"
    & skf18("2","4","8","5","5","7","1") = "7"
    & skf18("2","4","8","5","5","8","1") = "7"
    & skf18("2","4","8","5","5","9","1") = "8"
    & skf18("2","4","8","5","5","10","1") = "9"
    & skf18("2","4","8","5","6","1","1") = "7"
    & skf18("2","4","8","5","6","2","1") = "7"
    & skf18("2","4","8","5","6","3","1") = "7"
    & skf18("2","4","8","5","6","4","1") = "7"
    & skf18("2","4","8","5","6","5","1") = "7"
    & skf18("2","4","8","5","6","6","1") = "7"
    & skf18("2","4","8","5","6","7","1") = "7"
    & skf18("2","4","8","5","6","8","1") = "7"
    & skf18("2","4","8","5","6","9","1") = "8"
    & skf18("2","4","8","5","6","10","1") = "9"
    & skf18("2","4","8","5","7","1","1") = "7"
    & skf18("2","4","8","5","7","2","1") = "7"
    & skf18("2","4","8","5","7","3","1") = "7"
    & skf18("2","4","8","5","7","4","1") = "7"
    & skf18("2","4","8","5","7","5","1") = "7"
    & skf18("2","4","8","5","7","6","1") = "7"
    & skf18("2","4","8","5","7","7","1") = "7"
    & skf18("2","4","8","5","7","8","1") = "7"
    & skf18("2","4","8","5","7","9","1") = "8"
    & skf18("2","4","8","5","7","10","1") = "9"
    & skf18("2","4","8","5","8","1","1") = "7"
    & skf18("2","4","8","5","8","2","1") = "7"
    & skf18("2","4","8","5","8","3","1") = "7"
    & skf18("2","4","8","5","8","4","1") = "7"
    & skf18("2","4","8","5","8","5","1") = "7"
    & skf18("2","4","8","5","8","6","1") = "7"
    & skf18("2","4","8","5","8","7","1") = "7"
    & skf18("2","4","8","5","8","8","1") = "7"
    & skf18("2","4","8","5","8","9","1") = "8"
    & skf18("2","4","8","5","8","10","1") = "9"
    & skf18("2","4","8","5","9","1","1") = "8"
    & skf18("2","4","8","5","9","2","1") = "8"
    & skf18("2","4","8","5","9","3","1") = "8"
    & skf18("2","4","8","5","9","4","1") = "8"
    & skf18("2","4","8","5","9","5","1") = "8"
    & skf18("2","4","8","5","9","6","1") = "8"
    & skf18("2","4","8","5","9","7","1") = "8"
    & skf18("2","4","8","5","9","8","1") = "8"
    & skf18("2","4","8","5","9","9","1") = "8"
    & skf18("2","4","8","5","9","10","1") = "9"
    & skf18("2","4","8","5","10","1","1") = "9"
    & skf18("2","4","8","5","10","2","1") = "9"
    & skf18("2","4","8","5","10","3","1") = "9"
    & skf18("2","4","8","5","10","4","1") = "9"
    & skf18("2","4","8","5","10","5","1") = "9"
    & skf18("2","4","8","5","10","6","1") = "9"
    & skf18("2","4","8","5","10","7","1") = "9"
    & skf18("2","4","8","5","10","8","1") = "9"
    & skf18("2","4","8","5","10","9","1") = "9"
    & skf18("2","4","8","5","10","10","1") = "9"
    & skf18("2","4","8","6","1","1","1") = "7"
    & skf18("2","4","8","6","1","2","1") = "7"
    & skf18("2","4","8","6","1","3","1") = "7"
    & skf18("2","4","8","6","1","4","1") = "7"
    & skf18("2","4","8","6","1","5","1") = "7"
    & skf18("2","4","8","6","1","6","1") = "7"
    & skf18("2","4","8","6","1","7","1") = "7"
    & skf18("2","4","8","6","1","8","1") = "7"
    & skf18("2","4","8","6","1","9","1") = "8"
    & skf18("2","4","8","6","1","10","1") = "9"
    & skf18("2","4","8","6","2","1","1") = "7"
    & skf18("2","4","8","6","2","2","1") = "7"
    & skf18("2","4","8","6","2","3","1") = "7"
    & skf18("2","4","8","6","2","4","1") = "7"
    & skf18("2","4","8","6","2","5","1") = "7"
    & skf18("2","4","8","6","2","6","1") = "7"
    & skf18("2","4","8","6","2","7","1") = "7"
    & skf18("2","4","8","6","2","8","1") = "7"
    & skf18("2","4","8","6","2","9","1") = "8"
    & skf18("2","4","8","6","2","10","1") = "9"
    & skf18("2","4","8","6","3","1","1") = "7"
    & skf18("2","4","8","6","3","2","1") = "7"
    & skf18("2","4","8","6","3","3","1") = "7"
    & skf18("2","4","8","6","3","4","1") = "7"
    & skf18("2","4","8","6","3","5","1") = "7"
    & skf18("2","4","8","6","3","6","1") = "7"
    & skf18("2","4","8","6","3","7","1") = "7"
    & skf18("2","4","8","6","3","8","1") = "7"
    & skf18("2","4","8","6","3","9","1") = "8"
    & skf18("2","4","8","6","3","10","1") = "9"
    & skf18("2","4","8","6","4","1","1") = "7"
    & skf18("2","4","8","6","4","2","1") = "7"
    & skf18("2","4","8","6","4","3","1") = "7"
    & skf18("2","4","8","6","4","4","1") = "7"
    & skf18("2","4","8","6","4","5","1") = "7"
    & skf18("2","4","8","6","4","6","1") = "7"
    & skf18("2","4","8","6","4","7","1") = "7"
    & skf18("2","4","8","6","4","8","1") = "7"
    & skf18("2","4","8","6","4","9","1") = "8"
    & skf18("2","4","8","6","4","10","1") = "9"
    & skf18("2","4","8","6","5","1","1") = "7"
    & skf18("2","4","8","6","5","2","1") = "7"
    & skf18("2","4","8","6","5","3","1") = "7"
    & skf18("2","4","8","6","5","4","1") = "7"
    & skf18("2","4","8","6","5","5","1") = "7"
    & skf18("2","4","8","6","5","6","1") = "7"
    & skf18("2","4","8","6","5","7","1") = "7"
    & skf18("2","4","8","6","5","8","1") = "7"
    & skf18("2","4","8","6","5","9","1") = "8"
    & skf18("2","4","8","6","5","10","1") = "9"
    & skf18("2","4","8","6","6","1","1") = "7"
    & skf18("2","4","8","6","6","2","1") = "7"
    & skf18("2","4","8","6","6","3","1") = "7"
    & skf18("2","4","8","6","6","4","1") = "7"
    & skf18("2","4","8","6","6","5","1") = "7"
    & skf18("2","4","8","6","6","6","1") = "7"
    & skf18("2","4","8","6","6","7","1") = "7"
    & skf18("2","4","8","6","6","8","1") = "7"
    & skf18("2","4","8","6","6","9","1") = "8"
    & skf18("2","4","8","6","6","10","1") = "9"
    & skf18("2","4","8","6","7","1","1") = "7"
    & skf18("2","4","8","6","7","2","1") = "7"
    & skf18("2","4","8","6","7","3","1") = "7"
    & skf18("2","4","8","6","7","4","1") = "7"
    & skf18("2","4","8","6","7","5","1") = "7"
    & skf18("2","4","8","6","7","6","1") = "7"
    & skf18("2","4","8","6","7","7","1") = "7"
    & skf18("2","4","8","6","7","8","1") = "7"
    & skf18("2","4","8","6","7","9","1") = "8"
    & skf18("2","4","8","6","7","10","1") = "9"
    & skf18("2","4","8","6","8","1","1") = "7"
    & skf18("2","4","8","6","8","2","1") = "7"
    & skf18("2","4","8","6","8","3","1") = "7"
    & skf18("2","4","8","6","8","4","1") = "7"
    & skf18("2","4","8","6","8","5","1") = "7"
    & skf18("2","4","8","6","8","6","1") = "7"
    & skf18("2","4","8","6","8","7","1") = "7"
    & skf18("2","4","8","6","8","8","1") = "7"
    & skf18("2","4","8","6","8","9","1") = "8"
    & skf18("2","4","8","6","8","10","1") = "9"
    & skf18("2","4","8","6","9","1","1") = "8"
    & skf18("2","4","8","6","9","2","1") = "8"
    & skf18("2","4","8","6","9","3","1") = "8"
    & skf18("2","4","8","6","9","4","1") = "8"
    & skf18("2","4","8","6","9","5","1") = "8"
    & skf18("2","4","8","6","9","6","1") = "8"
    & skf18("2","4","8","6","9","7","1") = "8"
    & skf18("2","4","8","6","9","8","1") = "8"
    & skf18("2","4","8","6","9","9","1") = "8"
    & skf18("2","4","8","6","9","10","1") = "9"
    & skf18("2","4","8","6","10","1","1") = "9"
    & skf18("2","4","8","6","10","2","1") = "9"
    & skf18("2","4","8","6","10","3","1") = "9"
    & skf18("2","4","8","6","10","4","1") = "9"
    & skf18("2","4","8","6","10","5","1") = "9"
    & skf18("2","4","8","6","10","6","1") = "9"
    & skf18("2","4","8","6","10","7","1") = "9"
    & skf18("2","4","8","6","10","8","1") = "9"
    & skf18("2","4","8","6","10","9","1") = "9"
    & skf18("2","4","8","6","10","10","1") = "9"
    & skf18("2","4","8","7","1","1","1") = "7"
    & skf18("2","4","8","7","1","2","1") = "7"
    & skf18("2","4","8","7","1","3","1") = "7"
    & skf18("2","4","8","7","1","4","1") = "7"
    & skf18("2","4","8","7","1","5","1") = "7"
    & skf18("2","4","8","7","1","6","1") = "7"
    & skf18("2","4","8","7","1","7","1") = "7"
    & skf18("2","4","8","7","1","8","1") = "7"
    & skf18("2","4","8","7","1","9","1") = "8"
    & skf18("2","4","8","7","1","10","1") = "9"
    & skf18("2","4","8","7","2","1","1") = "7"
    & skf18("2","4","8","7","2","2","1") = "7"
    & skf18("2","4","8","7","2","3","1") = "7"
    & skf18("2","4","8","7","2","4","1") = "7"
    & skf18("2","4","8","7","2","5","1") = "7"
    & skf18("2","4","8","7","2","6","1") = "7"
    & skf18("2","4","8","7","2","7","1") = "7"
    & skf18("2","4","8","7","2","8","1") = "7"
    & skf18("2","4","8","7","2","9","1") = "8"
    & skf18("2","4","8","7","2","10","1") = "9"
    & skf18("2","4","8","7","3","1","1") = "7"
    & skf18("2","4","8","7","3","2","1") = "7"
    & skf18("2","4","8","7","3","3","1") = "7"
    & skf18("2","4","8","7","3","4","1") = "7"
    & skf18("2","4","8","7","3","5","1") = "7"
    & skf18("2","4","8","7","3","6","1") = "7"
    & skf18("2","4","8","7","3","7","1") = "7"
    & skf18("2","4","8","7","3","8","1") = "7"
    & skf18("2","4","8","7","3","9","1") = "8"
    & skf18("2","4","8","7","3","10","1") = "9"
    & skf18("2","4","8","7","4","1","1") = "7"
    & skf18("2","4","8","7","4","2","1") = "7"
    & skf18("2","4","8","7","4","3","1") = "7"
    & skf18("2","4","8","7","4","4","1") = "7"
    & skf18("2","4","8","7","4","5","1") = "7"
    & skf18("2","4","8","7","4","6","1") = "7"
    & skf18("2","4","8","7","4","7","1") = "7"
    & skf18("2","4","8","7","4","8","1") = "7"
    & skf18("2","4","8","7","4","9","1") = "8"
    & skf18("2","4","8","7","4","10","1") = "9"
    & skf18("2","4","8","7","5","1","1") = "7"
    & skf18("2","4","8","7","5","2","1") = "7"
    & skf18("2","4","8","7","5","3","1") = "7"
    & skf18("2","4","8","7","5","4","1") = "7"
    & skf18("2","4","8","7","5","5","1") = "7"
    & skf18("2","4","8","7","5","6","1") = "7"
    & skf18("2","4","8","7","5","7","1") = "7"
    & skf18("2","4","8","7","5","8","1") = "7"
    & skf18("2","4","8","7","5","9","1") = "8"
    & skf18("2","4","8","7","5","10","1") = "9"
    & skf18("2","4","8","7","6","1","1") = "7"
    & skf18("2","4","8","7","6","2","1") = "7"
    & skf18("2","4","8","7","6","3","1") = "7"
    & skf18("2","4","8","7","6","4","1") = "7"
    & skf18("2","4","8","7","6","5","1") = "7"
    & skf18("2","4","8","7","6","6","1") = "7"
    & skf18("2","4","8","7","6","7","1") = "7"
    & skf18("2","4","8","7","6","8","1") = "7"
    & skf18("2","4","8","7","6","9","1") = "8"
    & skf18("2","4","8","7","6","10","1") = "9"
    & skf18("2","4","8","7","7","1","1") = "7"
    & skf18("2","4","8","7","7","2","1") = "7"
    & skf18("2","4","8","7","7","3","1") = "7"
    & skf18("2","4","8","7","7","4","1") = "7"
    & skf18("2","4","8","7","7","5","1") = "7"
    & skf18("2","4","8","7","7","6","1") = "7"
    & skf18("2","4","8","7","7","7","1") = "7"
    & skf18("2","4","8","7","7","8","1") = "7"
    & skf18("2","4","8","7","7","9","1") = "8"
    & skf18("2","4","8","7","7","10","1") = "9"
    & skf18("2","4","8","7","8","1","1") = "7"
    & skf18("2","4","8","7","8","2","1") = "7"
    & skf18("2","4","8","7","8","3","1") = "7"
    & skf18("2","4","8","7","8","4","1") = "7"
    & skf18("2","4","8","7","8","5","1") = "7"
    & skf18("2","4","8","7","8","6","1") = "7"
    & skf18("2","4","8","7","8","7","1") = "7"
    & skf18("2","4","8","7","8","8","1") = "7"
    & skf18("2","4","8","7","8","9","1") = "8"
    & skf18("2","4","8","7","8","10","1") = "9"
    & skf18("2","4","8","7","9","1","1") = "8"
    & skf18("2","4","8","7","9","2","1") = "8"
    & skf18("2","4","8","7","9","3","1") = "8"
    & skf18("2","4","8","7","9","4","1") = "8"
    & skf18("2","4","8","7","9","5","1") = "8"
    & skf18("2","4","8","7","9","6","1") = "8"
    & skf18("2","4","8","7","9","7","1") = "8"
    & skf18("2","4","8","7","9","8","1") = "8"
    & skf18("2","4","8","7","9","9","1") = "8"
    & skf18("2","4","8","7","9","10","1") = "9"
    & skf18("2","4","8","7","10","1","1") = "9"
    & skf18("2","4","8","7","10","2","1") = "9"
    & skf18("2","4","8","7","10","3","1") = "9"
    & skf18("2","4","8","7","10","4","1") = "9"
    & skf18("2","4","8","7","10","5","1") = "9"
    & skf18("2","4","8","7","10","6","1") = "9"
    & skf18("2","4","8","7","10","7","1") = "9"
    & skf18("2","4","8","7","10","8","1") = "9"
    & skf18("2","4","8","7","10","9","1") = "9"
    & skf18("2","4","8","7","10","10","1") = "9"
    & skf18("2","4","8","8","1","1","1") = "7"
    & skf18("2","4","8","8","1","2","1") = "7"
    & skf18("2","4","8","8","1","3","1") = "7"
    & skf18("2","4","8","8","1","4","1") = "7"
    & skf18("2","4","8","8","1","5","1") = "7"
    & skf18("2","4","8","8","1","6","1") = "7"
    & skf18("2","4","8","8","1","7","1") = "7"
    & skf18("2","4","8","8","1","8","1") = "7"
    & skf18("2","4","8","8","1","9","1") = "8"
    & skf18("2","4","8","8","1","10","1") = "9"
    & skf18("2","4","8","8","2","1","1") = "7"
    & skf18("2","4","8","8","2","2","1") = "7"
    & skf18("2","4","8","8","2","3","1") = "7"
    & skf18("2","4","8","8","2","4","1") = "7"
    & skf18("2","4","8","8","2","5","1") = "7"
    & skf18("2","4","8","8","2","6","1") = "7"
    & skf18("2","4","8","8","2","7","1") = "7"
    & skf18("2","4","8","8","2","8","1") = "7"
    & skf18("2","4","8","8","2","9","1") = "8"
    & skf18("2","4","8","8","2","10","1") = "9"
    & skf18("2","4","8","8","3","1","1") = "7"
    & skf18("2","4","8","8","3","2","1") = "7"
    & skf18("2","4","8","8","3","3","1") = "7"
    & skf18("2","4","8","8","3","4","1") = "7"
    & skf18("2","4","8","8","3","5","1") = "7"
    & skf18("2","4","8","8","3","6","1") = "7"
    & skf18("2","4","8","8","3","7","1") = "7"
    & skf18("2","4","8","8","3","8","1") = "7"
    & skf18("2","4","8","8","3","9","1") = "8"
    & skf18("2","4","8","8","3","10","1") = "9"
    & skf18("2","4","8","8","4","1","1") = "7"
    & skf18("2","4","8","8","4","2","1") = "7"
    & skf18("2","4","8","8","4","3","1") = "7"
    & skf18("2","4","8","8","4","4","1") = "7"
    & skf18("2","4","8","8","4","5","1") = "7"
    & skf18("2","4","8","8","4","6","1") = "7"
    & skf18("2","4","8","8","4","7","1") = "7"
    & skf18("2","4","8","8","4","8","1") = "7"
    & skf18("2","4","8","8","4","9","1") = "8"
    & skf18("2","4","8","8","4","10","1") = "9"
    & skf18("2","4","8","8","5","1","1") = "7"
    & skf18("2","4","8","8","5","2","1") = "7"
    & skf18("2","4","8","8","5","3","1") = "7"
    & skf18("2","4","8","8","5","4","1") = "7"
    & skf18("2","4","8","8","5","5","1") = "7"
    & skf18("2","4","8","8","5","6","1") = "7"
    & skf18("2","4","8","8","5","7","1") = "7"
    & skf18("2","4","8","8","5","8","1") = "7"
    & skf18("2","4","8","8","5","9","1") = "8"
    & skf18("2","4","8","8","5","10","1") = "9"
    & skf18("2","4","8","8","6","1","1") = "7"
    & skf18("2","4","8","8","6","2","1") = "7"
    & skf18("2","4","8","8","6","3","1") = "7"
    & skf18("2","4","8","8","6","4","1") = "7"
    & skf18("2","4","8","8","6","5","1") = "7"
    & skf18("2","4","8","8","6","6","1") = "7"
    & skf18("2","4","8","8","6","7","1") = "7"
    & skf18("2","4","8","8","6","8","1") = "7"
    & skf18("2","4","8","8","6","9","1") = "8"
    & skf18("2","4","8","8","6","10","1") = "9"
    & skf18("2","4","8","8","7","1","1") = "7"
    & skf18("2","4","8","8","7","2","1") = "7"
    & skf18("2","4","8","8","7","3","1") = "7"
    & skf18("2","4","8","8","7","4","1") = "7"
    & skf18("2","4","8","8","7","5","1") = "7"
    & skf18("2","4","8","8","7","6","1") = "7"
    & skf18("2","4","8","8","7","7","1") = "7"
    & skf18("2","4","8","8","7","8","1") = "7"
    & skf18("2","4","8","8","7","9","1") = "8"
    & skf18("2","4","8","8","7","10","1") = "9"
    & skf18("2","4","8","8","8","1","1") = "7"
    & skf18("2","4","8","8","8","2","1") = "7"
    & skf18("2","4","8","8","8","3","1") = "7"
    & skf18("2","4","8","8","8","4","1") = "7"
    & skf18("2","4","8","8","8","5","1") = "7"
    & skf18("2","4","8","8","8","6","1") = "7"
    & skf18("2","4","8","8","8","7","1") = "7"
    & skf18("2","4","8","8","8","8","1") = "7"
    & skf18("2","4","8","8","8","9","1") = "8"
    & skf18("2","4","8","8","8","10","1") = "9"
    & skf18("2","4","8","8","9","1","1") = "8"
    & skf18("2","4","8","8","9","2","1") = "8"
    & skf18("2","4","8","8","9","3","1") = "8"
    & skf18("2","4","8","8","9","4","1") = "8"
    & skf18("2","4","8","8","9","5","1") = "8"
    & skf18("2","4","8","8","9","6","1") = "8"
    & skf18("2","4","8","8","9","7","1") = "8"
    & skf18("2","4","8","8","9","8","1") = "8"
    & skf18("2","4","8","8","9","9","1") = "8"
    & skf18("2","4","8","8","9","10","1") = "9"
    & skf18("2","4","8","8","10","1","1") = "9"
    & skf18("2","4","8","8","10","2","1") = "9"
    & skf18("2","4","8","8","10","3","1") = "9"
    & skf18("2","4","8","8","10","4","1") = "9"
    & skf18("2","4","8","8","10","5","1") = "9"
    & skf18("2","4","8","8","10","6","1") = "9"
    & skf18("2","4","8","8","10","7","1") = "9"
    & skf18("2","4","8","8","10","8","1") = "9"
    & skf18("2","4","8","8","10","9","1") = "9"
    & skf18("2","4","8","8","10","10","1") = "9"
    & skf18("2","4","8","9","1","1","1") = "8"
    & skf18("2","4","8","9","1","2","1") = "8"
    & skf18("2","4","8","9","1","3","1") = "8"
    & skf18("2","4","8","9","1","4","1") = "8"
    & skf18("2","4","8","9","1","5","1") = "8"
    & skf18("2","4","8","9","1","6","1") = "8"
    & skf18("2","4","8","9","1","7","1") = "8"
    & skf18("2","4","8","9","1","8","1") = "8"
    & skf18("2","4","8","9","1","9","1") = "8"
    & skf18("2","4","8","9","1","10","1") = "9"
    & skf18("2","4","8","9","2","1","1") = "8"
    & skf18("2","4","8","9","2","2","1") = "8"
    & skf18("2","4","8","9","2","3","1") = "8"
    & skf18("2","4","8","9","2","4","1") = "8"
    & skf18("2","4","8","9","2","5","1") = "8"
    & skf18("2","4","8","9","2","6","1") = "8"
    & skf18("2","4","8","9","2","7","1") = "8"
    & skf18("2","4","8","9","2","8","1") = "8"
    & skf18("2","4","8","9","2","9","1") = "8"
    & skf18("2","4","8","9","2","10","1") = "9"
    & skf18("2","4","8","9","3","1","1") = "8"
    & skf18("2","4","8","9","3","2","1") = "8"
    & skf18("2","4","8","9","3","3","1") = "8"
    & skf18("2","4","8","9","3","4","1") = "8"
    & skf18("2","4","8","9","3","5","1") = "8"
    & skf18("2","4","8","9","3","6","1") = "8"
    & skf18("2","4","8","9","3","7","1") = "8"
    & skf18("2","4","8","9","3","8","1") = "8"
    & skf18("2","4","8","9","3","9","1") = "8"
    & skf18("2","4","8","9","3","10","1") = "9"
    & skf18("2","4","8","9","4","1","1") = "8"
    & skf18("2","4","8","9","4","2","1") = "8"
    & skf18("2","4","8","9","4","3","1") = "8"
    & skf18("2","4","8","9","4","4","1") = "8"
    & skf18("2","4","8","9","4","5","1") = "8"
    & skf18("2","4","8","9","4","6","1") = "8"
    & skf18("2","4","8","9","4","7","1") = "8"
    & skf18("2","4","8","9","4","8","1") = "8"
    & skf18("2","4","8","9","4","9","1") = "8"
    & skf18("2","4","8","9","4","10","1") = "9"
    & skf18("2","4","8","9","5","1","1") = "8"
    & skf18("2","4","8","9","5","2","1") = "8"
    & skf18("2","4","8","9","5","3","1") = "8"
    & skf18("2","4","8","9","5","4","1") = "8"
    & skf18("2","4","8","9","5","5","1") = "8"
    & skf18("2","4","8","9","5","6","1") = "8"
    & skf18("2","4","8","9","5","7","1") = "8"
    & skf18("2","4","8","9","5","8","1") = "8"
    & skf18("2","4","8","9","5","9","1") = "8"
    & skf18("2","4","8","9","5","10","1") = "9"
    & skf18("2","4","8","9","6","1","1") = "8"
    & skf18("2","4","8","9","6","2","1") = "8"
    & skf18("2","4","8","9","6","3","1") = "8"
    & skf18("2","4","8","9","6","4","1") = "8"
    & skf18("2","4","8","9","6","5","1") = "8"
    & skf18("2","4","8","9","6","6","1") = "8"
    & skf18("2","4","8","9","6","7","1") = "8"
    & skf18("2","4","8","9","6","8","1") = "8"
    & skf18("2","4","8","9","6","9","1") = "8"
    & skf18("2","4","8","9","6","10","1") = "9"
    & skf18("2","4","8","9","7","1","1") = "8"
    & skf18("2","4","8","9","7","2","1") = "8"
    & skf18("2","4","8","9","7","3","1") = "8"
    & skf18("2","4","8","9","7","4","1") = "8"
    & skf18("2","4","8","9","7","5","1") = "8"
    & skf18("2","4","8","9","7","6","1") = "8"
    & skf18("2","4","8","9","7","7","1") = "8"
    & skf18("2","4","8","9","7","8","1") = "8"
    & skf18("2","4","8","9","7","9","1") = "8"
    & skf18("2","4","8","9","7","10","1") = "9"
    & skf18("2","4","8","9","8","1","1") = "8"
    & skf18("2","4","8","9","8","2","1") = "8"
    & skf18("2","4","8","9","8","3","1") = "8"
    & skf18("2","4","8","9","8","4","1") = "8"
    & skf18("2","4","8","9","8","5","1") = "8"
    & skf18("2","4","8","9","8","6","1") = "8"
    & skf18("2","4","8","9","8","7","1") = "8"
    & skf18("2","4","8","9","8","8","1") = "8"
    & skf18("2","4","8","9","8","9","1") = "8"
    & skf18("2","4","8","9","8","10","1") = "9"
    & skf18("2","4","8","9","9","1","1") = "8"
    & skf18("2","4","8","9","9","2","1") = "8"
    & skf18("2","4","8","9","9","3","1") = "8"
    & skf18("2","4","8","9","9","4","1") = "8"
    & skf18("2","4","8","9","9","5","1") = "8"
    & skf18("2","4","8","9","9","6","1") = "8"
    & skf18("2","4","8","9","9","7","1") = "8"
    & skf18("2","4","8","9","9","8","1") = "8"
    & skf18("2","4","8","9","9","9","1") = "8"
    & skf18("2","4","8","9","9","10","1") = "9"
    & skf18("2","4","8","9","10","1","1") = "9"
    & skf18("2","4","8","9","10","2","1") = "9"
    & skf18("2","4","8","9","10","3","1") = "9"
    & skf18("2","4","8","9","10","4","1") = "9"
    & skf18("2","4","8","9","10","5","1") = "9"
    & skf18("2","4","8","9","10","6","1") = "9"
    & skf18("2","4","8","9","10","7","1") = "9"
    & skf18("2","4","8","9","10","8","1") = "9"
    & skf18("2","4","8","9","10","9","1") = "9"
    & skf18("2","4","8","9","10","10","1") = "9"
    & skf18("2","4","8","10","1","1","1") = "9"
    & skf18("2","4","8","10","1","2","1") = "9"
    & skf18("2","4","8","10","1","3","1") = "9"
    & skf18("2","4","8","10","1","4","1") = "9"
    & skf18("2","4","8","10","1","5","1") = "9"
    & skf18("2","4","8","10","1","6","1") = "9"
    & skf18("2","4","8","10","1","7","1") = "9"
    & skf18("2","4","8","10","1","8","1") = "9"
    & skf18("2","4","8","10","1","9","1") = "9"
    & skf18("2","4","8","10","1","10","1") = "9"
    & skf18("2","4","8","10","2","1","1") = "9"
    & skf18("2","4","8","10","2","2","1") = "9"
    & skf18("2","4","8","10","2","3","1") = "9"
    & skf18("2","4","8","10","2","4","1") = "9"
    & skf18("2","4","8","10","2","5","1") = "9"
    & skf18("2","4","8","10","2","6","1") = "9"
    & skf18("2","4","8","10","2","7","1") = "9"
    & skf18("2","4","8","10","2","8","1") = "9"
    & skf18("2","4","8","10","2","9","1") = "9"
    & skf18("2","4","8","10","2","10","1") = "9"
    & skf18("2","4","8","10","3","1","1") = "9"
    & skf18("2","4","8","10","3","2","1") = "9"
    & skf18("2","4","8","10","3","3","1") = "9"
    & skf18("2","4","8","10","3","4","1") = "9"
    & skf18("2","4","8","10","3","5","1") = "9"
    & skf18("2","4","8","10","3","6","1") = "9"
    & skf18("2","4","8","10","3","7","1") = "9"
    & skf18("2","4","8","10","3","8","1") = "9"
    & skf18("2","4","8","10","3","9","1") = "9"
    & skf18("2","4","8","10","3","10","1") = "9"
    & skf18("2","4","8","10","4","1","1") = "9"
    & skf18("2","4","8","10","4","2","1") = "9"
    & skf18("2","4","8","10","4","3","1") = "9"
    & skf18("2","4","8","10","4","4","1") = "9"
    & skf18("2","4","8","10","4","5","1") = "9"
    & skf18("2","4","8","10","4","6","1") = "9"
    & skf18("2","4","8","10","4","7","1") = "9"
    & skf18("2","4","8","10","4","8","1") = "9"
    & skf18("2","4","8","10","4","9","1") = "9"
    & skf18("2","4","8","10","4","10","1") = "9"
    & skf18("2","4","8","10","5","1","1") = "9"
    & skf18("2","4","8","10","5","2","1") = "9"
    & skf18("2","4","8","10","5","3","1") = "9"
    & skf18("2","4","8","10","5","4","1") = "9"
    & skf18("2","4","8","10","5","5","1") = "9"
    & skf18("2","4","8","10","5","6","1") = "9"
    & skf18("2","4","8","10","5","7","1") = "9"
    & skf18("2","4","8","10","5","8","1") = "9"
    & skf18("2","4","8","10","5","9","1") = "9"
    & skf18("2","4","8","10","5","10","1") = "9"
    & skf18("2","4","8","10","6","1","1") = "9"
    & skf18("2","4","8","10","6","2","1") = "9"
    & skf18("2","4","8","10","6","3","1") = "9"
    & skf18("2","4","8","10","6","4","1") = "9"
    & skf18("2","4","8","10","6","5","1") = "9"
    & skf18("2","4","8","10","6","6","1") = "9"
    & skf18("2","4","8","10","6","7","1") = "9"
    & skf18("2","4","8","10","6","8","1") = "9"
    & skf18("2","4","8","10","6","9","1") = "9"
    & skf18("2","4","8","10","6","10","1") = "9"
    & skf18("2","4","8","10","7","1","1") = "9"
    & skf18("2","4","8","10","7","2","1") = "9"
    & skf18("2","4","8","10","7","3","1") = "9"
    & skf18("2","4","8","10","7","4","1") = "9"
    & skf18("2","4","8","10","7","5","1") = "9"
    & skf18("2","4","8","10","7","6","1") = "9"
    & skf18("2","4","8","10","7","7","1") = "9"
    & skf18("2","4","8","10","7","8","1") = "9"
    & skf18("2","4","8","10","7","9","1") = "9"
    & skf18("2","4","8","10","7","10","1") = "9"
    & skf18("2","4","8","10","8","1","1") = "9"
    & skf18("2","4","8","10","8","2","1") = "9"
    & skf18("2","4","8","10","8","3","1") = "9"
    & skf18("2","4","8","10","8","4","1") = "9"
    & skf18("2","4","8","10","8","5","1") = "9"
    & skf18("2","4","8","10","8","6","1") = "9"
    & skf18("2","4","8","10","8","7","1") = "9"
    & skf18("2","4","8","10","8","8","1") = "9"
    & skf18("2","4","8","10","8","9","1") = "9"
    & skf18("2","4","8","10","8","10","1") = "9"
    & skf18("2","4","8","10","9","1","1") = "9"
    & skf18("2","4","8","10","9","2","1") = "9"
    & skf18("2","4","8","10","9","3","1") = "9"
    & skf18("2","4","8","10","9","4","1") = "9"
    & skf18("2","4","8","10","9","5","1") = "9"
    & skf18("2","4","8","10","9","6","1") = "9"
    & skf18("2","4","8","10","9","7","1") = "9"
    & skf18("2","4","8","10","9","8","1") = "9"
    & skf18("2","4","8","10","9","9","1") = "9"
    & skf18("2","4","8","10","9","10","1") = "9"
    & skf18("2","4","8","10","10","1","1") = "9"
    & skf18("2","4","8","10","10","2","1") = "9"
    & skf18("2","4","8","10","10","3","1") = "9"
    & skf18("2","4","8","10","10","4","1") = "9"
    & skf18("2","4","8","10","10","5","1") = "9"
    & skf18("2","4","8","10","10","6","1") = "9"
    & skf18("2","4","8","10","10","7","1") = "9"
    & skf18("2","4","8","10","10","8","1") = "9"
    & skf18("2","4","8","10","10","9","1") = "9"
    & skf18("2","4","8","10","10","10","1") = "9"
    & skf18("2","4","9","1","1","1","1") = "8"
    & skf18("2","4","9","1","1","2","1") = "8"
    & skf18("2","4","9","1","1","3","1") = "8"
    & skf18("2","4","9","1","1","4","1") = "8"
    & skf18("2","4","9","1","1","5","1") = "8"
    & skf18("2","4","9","1","1","6","1") = "8"
    & skf18("2","4","9","1","1","7","1") = "8"
    & skf18("2","4","9","1","1","8","1") = "8"
    & skf18("2","4","9","1","1","9","1") = "8"
    & skf18("2","4","9","1","1","10","1") = "9"
    & skf18("2","4","9","1","2","1","1") = "8"
    & skf18("2","4","9","1","2","2","1") = "8"
    & skf18("2","4","9","1","2","3","1") = "8"
    & skf18("2","4","9","1","2","4","1") = "8"
    & skf18("2","4","9","1","2","5","1") = "8"
    & skf18("2","4","9","1","2","6","1") = "8"
    & skf18("2","4","9","1","2","7","1") = "8"
    & skf18("2","4","9","1","2","8","1") = "8"
    & skf18("2","4","9","1","2","9","1") = "8"
    & skf18("2","4","9","1","2","10","1") = "9"
    & skf18("2","4","9","1","3","1","1") = "8"
    & skf18("2","4","9","1","3","2","1") = "8"
    & skf18("2","4","9","1","3","3","1") = "8"
    & skf18("2","4","9","1","3","4","1") = "8"
    & skf18("2","4","9","1","3","5","1") = "8"
    & skf18("2","4","9","1","3","6","1") = "8"
    & skf18("2","4","9","1","3","7","1") = "8"
    & skf18("2","4","9","1","3","8","1") = "8"
    & skf18("2","4","9","1","3","9","1") = "8"
    & skf18("2","4","9","1","3","10","1") = "9"
    & skf18("2","4","9","1","4","1","1") = "8"
    & skf18("2","4","9","1","4","2","1") = "8"
    & skf18("2","4","9","1","4","3","1") = "8"
    & skf18("2","4","9","1","4","4","1") = "8"
    & skf18("2","4","9","1","4","5","1") = "8"
    & skf18("2","4","9","1","4","6","1") = "8"
    & skf18("2","4","9","1","4","7","1") = "8"
    & skf18("2","4","9","1","4","8","1") = "8"
    & skf18("2","4","9","1","4","9","1") = "8"
    & skf18("2","4","9","1","4","10","1") = "9"
    & skf18("2","4","9","1","5","1","1") = "8"
    & skf18("2","4","9","1","5","2","1") = "8"
    & skf18("2","4","9","1","5","3","1") = "8"
    & skf18("2","4","9","1","5","4","1") = "8"
    & skf18("2","4","9","1","5","5","1") = "8"
    & skf18("2","4","9","1","5","6","1") = "8"
    & skf18("2","4","9","1","5","7","1") = "8"
    & skf18("2","4","9","1","5","8","1") = "8"
    & skf18("2","4","9","1","5","9","1") = "8"
    & skf18("2","4","9","1","5","10","1") = "9"
    & skf18("2","4","9","1","6","1","1") = "8"
    & skf18("2","4","9","1","6","2","1") = "8"
    & skf18("2","4","9","1","6","3","1") = "8"
    & skf18("2","4","9","1","6","4","1") = "8"
    & skf18("2","4","9","1","6","5","1") = "8"
    & skf18("2","4","9","1","6","6","1") = "8"
    & skf18("2","4","9","1","6","7","1") = "8"
    & skf18("2","4","9","1","6","8","1") = "8"
    & skf18("2","4","9","1","6","9","1") = "8"
    & skf18("2","4","9","1","6","10","1") = "9"
    & skf18("2","4","9","1","7","1","1") = "8"
    & skf18("2","4","9","1","7","2","1") = "8"
    & skf18("2","4","9","1","7","3","1") = "8"
    & skf18("2","4","9","1","7","4","1") = "8"
    & skf18("2","4","9","1","7","5","1") = "8"
    & skf18("2","4","9","1","7","6","1") = "8"
    & skf18("2","4","9","1","7","7","1") = "8"
    & skf18("2","4","9","1","7","8","1") = "8"
    & skf18("2","4","9","1","7","9","1") = "8"
    & skf18("2","4","9","1","7","10","1") = "9"
    & skf18("2","4","9","1","8","1","1") = "8"
    & skf18("2","4","9","1","8","2","1") = "8"
    & skf18("2","4","9","1","8","3","1") = "8"
    & skf18("2","4","9","1","8","4","1") = "8"
    & skf18("2","4","9","1","8","5","1") = "8"
    & skf18("2","4","9","1","8","6","1") = "8"
    & skf18("2","4","9","1","8","7","1") = "8"
    & skf18("2","4","9","1","8","8","1") = "8"
    & skf18("2","4","9","1","8","9","1") = "8"
    & skf18("2","4","9","1","8","10","1") = "9"
    & skf18("2","4","9","1","9","1","1") = "8"
    & skf18("2","4","9","1","9","2","1") = "8"
    & skf18("2","4","9","1","9","3","1") = "8"
    & skf18("2","4","9","1","9","4","1") = "8"
    & skf18("2","4","9","1","9","5","1") = "8"
    & skf18("2","4","9","1","9","6","1") = "8"
    & skf18("2","4","9","1","9","7","1") = "8"
    & skf18("2","4","9","1","9","8","1") = "8"
    & skf18("2","4","9","1","9","9","1") = "8"
    & skf18("2","4","9","1","9","10","1") = "9"
    & skf18("2","4","9","1","10","1","1") = "9"
    & skf18("2","4","9","1","10","2","1") = "9"
    & skf18("2","4","9","1","10","3","1") = "9"
    & skf18("2","4","9","1","10","4","1") = "9"
    & skf18("2","4","9","1","10","5","1") = "9"
    & skf18("2","4","9","1","10","6","1") = "9"
    & skf18("2","4","9","1","10","7","1") = "9"
    & skf18("2","4","9","1","10","8","1") = "9"
    & skf18("2","4","9","1","10","9","1") = "9"
    & skf18("2","4","9","1","10","10","1") = "9"
    & skf18("2","4","9","2","1","1","1") = "8"
    & skf18("2","4","9","2","1","2","1") = "8"
    & skf18("2","4","9","2","1","3","1") = "8"
    & skf18("2","4","9","2","1","4","1") = "8"
    & skf18("2","4","9","2","1","5","1") = "8"
    & skf18("2","4","9","2","1","6","1") = "8"
    & skf18("2","4","9","2","1","7","1") = "8"
    & skf18("2","4","9","2","1","8","1") = "8"
    & skf18("2","4","9","2","1","9","1") = "8"
    & skf18("2","4","9","2","1","10","1") = "9"
    & skf18("2","4","9","2","2","1","1") = "8"
    & skf18("2","4","9","2","2","2","1") = "8"
    & skf18("2","4","9","2","2","3","1") = "8"
    & skf18("2","4","9","2","2","4","1") = "8"
    & skf18("2","4","9","2","2","5","1") = "8"
    & skf18("2","4","9","2","2","6","1") = "8"
    & skf18("2","4","9","2","2","7","1") = "8"
    & skf18("2","4","9","2","2","8","1") = "8"
    & skf18("2","4","9","2","2","9","1") = "8"
    & skf18("2","4","9","2","2","10","1") = "9"
    & skf18("2","4","9","2","3","1","1") = "8"
    & skf18("2","4","9","2","3","2","1") = "8"
    & skf18("2","4","9","2","3","3","1") = "8"
    & skf18("2","4","9","2","3","4","1") = "8"
    & skf18("2","4","9","2","3","5","1") = "8"
    & skf18("2","4","9","2","3","6","1") = "8"
    & skf18("2","4","9","2","3","7","1") = "8"
    & skf18("2","4","9","2","3","8","1") = "8"
    & skf18("2","4","9","2","3","9","1") = "8"
    & skf18("2","4","9","2","3","10","1") = "9"
    & skf18("2","4","9","2","4","1","1") = "8"
    & skf18("2","4","9","2","4","2","1") = "8"
    & skf18("2","4","9","2","4","3","1") = "8"
    & skf18("2","4","9","2","4","4","1") = "8"
    & skf18("2","4","9","2","4","5","1") = "8"
    & skf18("2","4","9","2","4","6","1") = "8"
    & skf18("2","4","9","2","4","7","1") = "8"
    & skf18("2","4","9","2","4","8","1") = "8"
    & skf18("2","4","9","2","4","9","1") = "8"
    & skf18("2","4","9","2","4","10","1") = "9"
    & skf18("2","4","9","2","5","1","1") = "8"
    & skf18("2","4","9","2","5","2","1") = "8"
    & skf18("2","4","9","2","5","3","1") = "8"
    & skf18("2","4","9","2","5","4","1") = "8"
    & skf18("2","4","9","2","5","5","1") = "8"
    & skf18("2","4","9","2","5","6","1") = "8"
    & skf18("2","4","9","2","5","7","1") = "8"
    & skf18("2","4","9","2","5","8","1") = "8"
    & skf18("2","4","9","2","5","9","1") = "8"
    & skf18("2","4","9","2","5","10","1") = "9"
    & skf18("2","4","9","2","6","1","1") = "8"
    & skf18("2","4","9","2","6","2","1") = "8"
    & skf18("2","4","9","2","6","3","1") = "8"
    & skf18("2","4","9","2","6","4","1") = "8"
    & skf18("2","4","9","2","6","5","1") = "8"
    & skf18("2","4","9","2","6","6","1") = "8"
    & skf18("2","4","9","2","6","7","1") = "8"
    & skf18("2","4","9","2","6","8","1") = "8"
    & skf18("2","4","9","2","6","9","1") = "8"
    & skf18("2","4","9","2","6","10","1") = "9"
    & skf18("2","4","9","2","7","1","1") = "8"
    & skf18("2","4","9","2","7","2","1") = "8"
    & skf18("2","4","9","2","7","3","1") = "8"
    & skf18("2","4","9","2","7","4","1") = "8"
    & skf18("2","4","9","2","7","5","1") = "8"
    & skf18("2","4","9","2","7","6","1") = "8"
    & skf18("2","4","9","2","7","7","1") = "8"
    & skf18("2","4","9","2","7","8","1") = "8"
    & skf18("2","4","9","2","7","9","1") = "8"
    & skf18("2","4","9","2","7","10","1") = "9"
    & skf18("2","4","9","2","8","1","1") = "8"
    & skf18("2","4","9","2","8","2","1") = "8"
    & skf18("2","4","9","2","8","3","1") = "8"
    & skf18("2","4","9","2","8","4","1") = "8"
    & skf18("2","4","9","2","8","5","1") = "8"
    & skf18("2","4","9","2","8","6","1") = "8"
    & skf18("2","4","9","2","8","7","1") = "8"
    & skf18("2","4","9","2","8","8","1") = "8"
    & skf18("2","4","9","2","8","9","1") = "8"
    & skf18("2","4","9","2","8","10","1") = "9"
    & skf18("2","4","9","2","9","1","1") = "8"
    & skf18("2","4","9","2","9","2","1") = "8"
    & skf18("2","4","9","2","9","3","1") = "8"
    & skf18("2","4","9","2","9","4","1") = "8"
    & skf18("2","4","9","2","9","5","1") = "8"
    & skf18("2","4","9","2","9","6","1") = "8"
    & skf18("2","4","9","2","9","7","1") = "8"
    & skf18("2","4","9","2","9","8","1") = "8"
    & skf18("2","4","9","2","9","9","1") = "8"
    & skf18("2","4","9","2","9","10","1") = "9"
    & skf18("2","4","9","2","10","1","1") = "9"
    & skf18("2","4","9","2","10","2","1") = "9"
    & skf18("2","4","9","2","10","3","1") = "9"
    & skf18("2","4","9","2","10","4","1") = "9"
    & skf18("2","4","9","2","10","5","1") = "9"
    & skf18("2","4","9","2","10","6","1") = "9"
    & skf18("2","4","9","2","10","7","1") = "9"
    & skf18("2","4","9","2","10","8","1") = "9"
    & skf18("2","4","9","2","10","9","1") = "9"
    & skf18("2","4","9","2","10","10","1") = "9"
    & skf18("2","4","9","3","1","1","1") = "8"
    & skf18("2","4","9","3","1","2","1") = "8"
    & skf18("2","4","9","3","1","3","1") = "8"
    & skf18("2","4","9","3","1","4","1") = "8"
    & skf18("2","4","9","3","1","5","1") = "8"
    & skf18("2","4","9","3","1","6","1") = "8"
    & skf18("2","4","9","3","1","7","1") = "8"
    & skf18("2","4","9","3","1","8","1") = "8"
    & skf18("2","4","9","3","1","9","1") = "8"
    & skf18("2","4","9","3","1","10","1") = "9"
    & skf18("2","4","9","3","2","1","1") = "8"
    & skf18("2","4","9","3","2","2","1") = "8"
    & skf18("2","4","9","3","2","3","1") = "8"
    & skf18("2","4","9","3","2","4","1") = "8"
    & skf18("2","4","9","3","2","5","1") = "8"
    & skf18("2","4","9","3","2","6","1") = "8"
    & skf18("2","4","9","3","2","7","1") = "8"
    & skf18("2","4","9","3","2","8","1") = "8"
    & skf18("2","4","9","3","2","9","1") = "8"
    & skf18("2","4","9","3","2","10","1") = "9"
    & skf18("2","4","9","3","3","1","1") = "8"
    & skf18("2","4","9","3","3","2","1") = "8"
    & skf18("2","4","9","3","3","3","1") = "8"
    & skf18("2","4","9","3","3","4","1") = "8"
    & skf18("2","4","9","3","3","5","1") = "8"
    & skf18("2","4","9","3","3","6","1") = "8"
    & skf18("2","4","9","3","3","7","1") = "8"
    & skf18("2","4","9","3","3","8","1") = "8"
    & skf18("2","4","9","3","3","9","1") = "8"
    & skf18("2","4","9","3","3","10","1") = "9"
    & skf18("2","4","9","3","4","1","1") = "8"
    & skf18("2","4","9","3","4","2","1") = "8"
    & skf18("2","4","9","3","4","3","1") = "8"
    & skf18("2","4","9","3","4","4","1") = "8"
    & skf18("2","4","9","3","4","5","1") = "8"
    & skf18("2","4","9","3","4","6","1") = "8"
    & skf18("2","4","9","3","4","7","1") = "8"
    & skf18("2","4","9","3","4","8","1") = "8"
    & skf18("2","4","9","3","4","9","1") = "8"
    & skf18("2","4","9","3","4","10","1") = "9"
    & skf18("2","4","9","3","5","1","1") = "8"
    & skf18("2","4","9","3","5","2","1") = "8"
    & skf18("2","4","9","3","5","3","1") = "8"
    & skf18("2","4","9","3","5","4","1") = "8"
    & skf18("2","4","9","3","5","5","1") = "8"
    & skf18("2","4","9","3","5","6","1") = "8"
    & skf18("2","4","9","3","5","7","1") = "8"
    & skf18("2","4","9","3","5","8","1") = "8"
    & skf18("2","4","9","3","5","9","1") = "8"
    & skf18("2","4","9","3","5","10","1") = "9"
    & skf18("2","4","9","3","6","1","1") = "8"
    & skf18("2","4","9","3","6","2","1") = "8"
    & skf18("2","4","9","3","6","3","1") = "8"
    & skf18("2","4","9","3","6","4","1") = "8"
    & skf18("2","4","9","3","6","5","1") = "8"
    & skf18("2","4","9","3","6","6","1") = "8"
    & skf18("2","4","9","3","6","7","1") = "8"
    & skf18("2","4","9","3","6","8","1") = "8"
    & skf18("2","4","9","3","6","9","1") = "8"
    & skf18("2","4","9","3","6","10","1") = "9"
    & skf18("2","4","9","3","7","1","1") = "8"
    & skf18("2","4","9","3","7","2","1") = "8"
    & skf18("2","4","9","3","7","3","1") = "8"
    & skf18("2","4","9","3","7","4","1") = "8"
    & skf18("2","4","9","3","7","5","1") = "8"
    & skf18("2","4","9","3","7","6","1") = "8"
    & skf18("2","4","9","3","7","7","1") = "8"
    & skf18("2","4","9","3","7","8","1") = "8"
    & skf18("2","4","9","3","7","9","1") = "8"
    & skf18("2","4","9","3","7","10","1") = "9"
    & skf18("2","4","9","3","8","1","1") = "8"
    & skf18("2","4","9","3","8","2","1") = "8"
    & skf18("2","4","9","3","8","3","1") = "8"
    & skf18("2","4","9","3","8","4","1") = "8"
    & skf18("2","4","9","3","8","5","1") = "8"
    & skf18("2","4","9","3","8","6","1") = "8"
    & skf18("2","4","9","3","8","7","1") = "8"
    & skf18("2","4","9","3","8","8","1") = "8"
    & skf18("2","4","9","3","8","9","1") = "8"
    & skf18("2","4","9","3","8","10","1") = "9"
    & skf18("2","4","9","3","9","1","1") = "8"
    & skf18("2","4","9","3","9","2","1") = "8"
    & skf18("2","4","9","3","9","3","1") = "8"
    & skf18("2","4","9","3","9","4","1") = "8"
    & skf18("2","4","9","3","9","5","1") = "8"
    & skf18("2","4","9","3","9","6","1") = "8"
    & skf18("2","4","9","3","9","7","1") = "8"
    & skf18("2","4","9","3","9","8","1") = "8"
    & skf18("2","4","9","3","9","9","1") = "8"
    & skf18("2","4","9","3","9","10","1") = "9"
    & skf18("2","4","9","3","10","1","1") = "9"
    & skf18("2","4","9","3","10","2","1") = "9"
    & skf18("2","4","9","3","10","3","1") = "9"
    & skf18("2","4","9","3","10","4","1") = "9"
    & skf18("2","4","9","3","10","5","1") = "9"
    & skf18("2","4","9","3","10","6","1") = "9"
    & skf18("2","4","9","3","10","7","1") = "9"
    & skf18("2","4","9","3","10","8","1") = "9"
    & skf18("2","4","9","3","10","9","1") = "9"
    & skf18("2","4","9","3","10","10","1") = "9"
    & skf18("2","4","9","4","1","1","1") = "8"
    & skf18("2","4","9","4","1","2","1") = "8"
    & skf18("2","4","9","4","1","3","1") = "8"
    & skf18("2","4","9","4","1","4","1") = "8"
    & skf18("2","4","9","4","1","5","1") = "8"
    & skf18("2","4","9","4","1","6","1") = "8"
    & skf18("2","4","9","4","1","7","1") = "8"
    & skf18("2","4","9","4","1","8","1") = "8"
    & skf18("2","4","9","4","1","9","1") = "8"
    & skf18("2","4","9","4","1","10","1") = "9"
    & skf18("2","4","9","4","2","1","1") = "8"
    & skf18("2","4","9","4","2","2","1") = "8"
    & skf18("2","4","9","4","2","3","1") = "8"
    & skf18("2","4","9","4","2","4","1") = "8"
    & skf18("2","4","9","4","2","5","1") = "8"
    & skf18("2","4","9","4","2","6","1") = "8"
    & skf18("2","4","9","4","2","7","1") = "8"
    & skf18("2","4","9","4","2","8","1") = "8"
    & skf18("2","4","9","4","2","9","1") = "8"
    & skf18("2","4","9","4","2","10","1") = "9"
    & skf18("2","4","9","4","3","1","1") = "8"
    & skf18("2","4","9","4","3","2","1") = "8"
    & skf18("2","4","9","4","3","3","1") = "8"
    & skf18("2","4","9","4","3","4","1") = "8"
    & skf18("2","4","9","4","3","5","1") = "8"
    & skf18("2","4","9","4","3","6","1") = "8"
    & skf18("2","4","9","4","3","7","1") = "8"
    & skf18("2","4","9","4","3","8","1") = "8"
    & skf18("2","4","9","4","3","9","1") = "8"
    & skf18("2","4","9","4","3","10","1") = "9"
    & skf18("2","4","9","4","4","1","1") = "8"
    & skf18("2","4","9","4","4","2","1") = "8"
    & skf18("2","4","9","4","4","3","1") = "8"
    & skf18("2","4","9","4","4","4","1") = "8"
    & skf18("2","4","9","4","4","5","1") = "8"
    & skf18("2","4","9","4","4","6","1") = "8"
    & skf18("2","4","9","4","4","7","1") = "8"
    & skf18("2","4","9","4","4","8","1") = "8"
    & skf18("2","4","9","4","4","9","1") = "8"
    & skf18("2","4","9","4","4","10","1") = "9"
    & skf18("2","4","9","4","5","1","1") = "8"
    & skf18("2","4","9","4","5","2","1") = "8"
    & skf18("2","4","9","4","5","3","1") = "8"
    & skf18("2","4","9","4","5","4","1") = "8"
    & skf18("2","4","9","4","5","5","1") = "8"
    & skf18("2","4","9","4","5","6","1") = "8"
    & skf18("2","4","9","4","5","7","1") = "8"
    & skf18("2","4","9","4","5","8","1") = "8"
    & skf18("2","4","9","4","5","9","1") = "8"
    & skf18("2","4","9","4","5","10","1") = "9"
    & skf18("2","4","9","4","6","1","1") = "8"
    & skf18("2","4","9","4","6","2","1") = "8"
    & skf18("2","4","9","4","6","3","1") = "8"
    & skf18("2","4","9","4","6","4","1") = "8"
    & skf18("2","4","9","4","6","5","1") = "8"
    & skf18("2","4","9","4","6","6","1") = "8"
    & skf18("2","4","9","4","6","7","1") = "8"
    & skf18("2","4","9","4","6","8","1") = "8"
    & skf18("2","4","9","4","6","9","1") = "8"
    & skf18("2","4","9","4","6","10","1") = "9"
    & skf18("2","4","9","4","7","1","1") = "8"
    & skf18("2","4","9","4","7","2","1") = "8"
    & skf18("2","4","9","4","7","3","1") = "8"
    & skf18("2","4","9","4","7","4","1") = "8"
    & skf18("2","4","9","4","7","5","1") = "8"
    & skf18("2","4","9","4","7","6","1") = "8"
    & skf18("2","4","9","4","7","7","1") = "8"
    & skf18("2","4","9","4","7","8","1") = "8"
    & skf18("2","4","9","4","7","9","1") = "8"
    & skf18("2","4","9","4","7","10","1") = "9"
    & skf18("2","4","9","4","8","1","1") = "8"
    & skf18("2","4","9","4","8","2","1") = "8"
    & skf18("2","4","9","4","8","3","1") = "8"
    & skf18("2","4","9","4","8","4","1") = "8"
    & skf18("2","4","9","4","8","5","1") = "8"
    & skf18("2","4","9","4","8","6","1") = "8"
    & skf18("2","4","9","4","8","7","1") = "8"
    & skf18("2","4","9","4","8","8","1") = "8"
    & skf18("2","4","9","4","8","9","1") = "8"
    & skf18("2","4","9","4","8","10","1") = "9"
    & skf18("2","4","9","4","9","1","1") = "8"
    & skf18("2","4","9","4","9","2","1") = "8"
    & skf18("2","4","9","4","9","3","1") = "8"
    & skf18("2","4","9","4","9","4","1") = "8"
    & skf18("2","4","9","4","9","5","1") = "8"
    & skf18("2","4","9","4","9","6","1") = "8"
    & skf18("2","4","9","4","9","7","1") = "8"
    & skf18("2","4","9","4","9","8","1") = "8"
    & skf18("2","4","9","4","9","9","1") = "8"
    & skf18("2","4","9","4","9","10","1") = "9"
    & skf18("2","4","9","4","10","1","1") = "9"
    & skf18("2","4","9","4","10","2","1") = "9"
    & skf18("2","4","9","4","10","3","1") = "9"
    & skf18("2","4","9","4","10","4","1") = "9"
    & skf18("2","4","9","4","10","5","1") = "9"
    & skf18("2","4","9","4","10","6","1") = "9"
    & skf18("2","4","9","4","10","7","1") = "9"
    & skf18("2","4","9","4","10","8","1") = "9"
    & skf18("2","4","9","4","10","9","1") = "9"
    & skf18("2","4","9","4","10","10","1") = "9"
    & skf18("2","4","9","5","1","1","1") = "8"
    & skf18("2","4","9","5","1","2","1") = "8"
    & skf18("2","4","9","5","1","3","1") = "8"
    & skf18("2","4","9","5","1","4","1") = "8"
    & skf18("2","4","9","5","1","5","1") = "8"
    & skf18("2","4","9","5","1","6","1") = "8"
    & skf18("2","4","9","5","1","7","1") = "8"
    & skf18("2","4","9","5","1","8","1") = "8"
    & skf18("2","4","9","5","1","9","1") = "8"
    & skf18("2","4","9","5","1","10","1") = "9"
    & skf18("2","4","9","5","2","1","1") = "8"
    & skf18("2","4","9","5","2","2","1") = "8"
    & skf18("2","4","9","5","2","3","1") = "8"
    & skf18("2","4","9","5","2","4","1") = "8"
    & skf18("2","4","9","5","2","5","1") = "8"
    & skf18("2","4","9","5","2","6","1") = "8"
    & skf18("2","4","9","5","2","7","1") = "8"
    & skf18("2","4","9","5","2","8","1") = "8"
    & skf18("2","4","9","5","2","9","1") = "8"
    & skf18("2","4","9","5","2","10","1") = "9"
    & skf18("2","4","9","5","3","1","1") = "8"
    & skf18("2","4","9","5","3","2","1") = "8"
    & skf18("2","4","9","5","3","3","1") = "8"
    & skf18("2","4","9","5","3","4","1") = "8"
    & skf18("2","4","9","5","3","5","1") = "8"
    & skf18("2","4","9","5","3","6","1") = "8"
    & skf18("2","4","9","5","3","7","1") = "8"
    & skf18("2","4","9","5","3","8","1") = "8"
    & skf18("2","4","9","5","3","9","1") = "8"
    & skf18("2","4","9","5","3","10","1") = "9"
    & skf18("2","4","9","5","4","1","1") = "8"
    & skf18("2","4","9","5","4","2","1") = "8"
    & skf18("2","4","9","5","4","3","1") = "8"
    & skf18("2","4","9","5","4","4","1") = "8"
    & skf18("2","4","9","5","4","5","1") = "8"
    & skf18("2","4","9","5","4","6","1") = "8"
    & skf18("2","4","9","5","4","7","1") = "8"
    & skf18("2","4","9","5","4","8","1") = "8"
    & skf18("2","4","9","5","4","9","1") = "8"
    & skf18("2","4","9","5","4","10","1") = "9"
    & skf18("2","4","9","5","5","1","1") = "8"
    & skf18("2","4","9","5","5","2","1") = "8"
    & skf18("2","4","9","5","5","3","1") = "8"
    & skf18("2","4","9","5","5","4","1") = "8"
    & skf18("2","4","9","5","5","5","1") = "8"
    & skf18("2","4","9","5","5","6","1") = "8"
    & skf18("2","4","9","5","5","7","1") = "8"
    & skf18("2","4","9","5","5","8","1") = "8"
    & skf18("2","4","9","5","5","9","1") = "8"
    & skf18("2","4","9","5","5","10","1") = "9"
    & skf18("2","4","9","5","6","1","1") = "8"
    & skf18("2","4","9","5","6","2","1") = "8"
    & skf18("2","4","9","5","6","3","1") = "8"
    & skf18("2","4","9","5","6","4","1") = "8"
    & skf18("2","4","9","5","6","5","1") = "8"
    & skf18("2","4","9","5","6","6","1") = "8"
    & skf18("2","4","9","5","6","7","1") = "8"
    & skf18("2","4","9","5","6","8","1") = "8"
    & skf18("2","4","9","5","6","9","1") = "8"
    & skf18("2","4","9","5","6","10","1") = "9"
    & skf18("2","4","9","5","7","1","1") = "8"
    & skf18("2","4","9","5","7","2","1") = "8"
    & skf18("2","4","9","5","7","3","1") = "8"
    & skf18("2","4","9","5","7","4","1") = "8"
    & skf18("2","4","9","5","7","5","1") = "8"
    & skf18("2","4","9","5","7","6","1") = "8"
    & skf18("2","4","9","5","7","7","1") = "8"
    & skf18("2","4","9","5","7","8","1") = "8"
    & skf18("2","4","9","5","7","9","1") = "8"
    & skf18("2","4","9","5","7","10","1") = "9"
    & skf18("2","4","9","5","8","1","1") = "8"
    & skf18("2","4","9","5","8","2","1") = "8"
    & skf18("2","4","9","5","8","3","1") = "8"
    & skf18("2","4","9","5","8","4","1") = "8"
    & skf18("2","4","9","5","8","5","1") = "8"
    & skf18("2","4","9","5","8","6","1") = "8"
    & skf18("2","4","9","5","8","7","1") = "8"
    & skf18("2","4","9","5","8","8","1") = "8"
    & skf18("2","4","9","5","8","9","1") = "8"
    & skf18("2","4","9","5","8","10","1") = "9"
    & skf18("2","4","9","5","9","1","1") = "8"
    & skf18("2","4","9","5","9","2","1") = "8"
    & skf18("2","4","9","5","9","3","1") = "8"
    & skf18("2","4","9","5","9","4","1") = "8"
    & skf18("2","4","9","5","9","5","1") = "8"
    & skf18("2","4","9","5","9","6","1") = "8"
    & skf18("2","4","9","5","9","7","1") = "8"
    & skf18("2","4","9","5","9","8","1") = "8"
    & skf18("2","4","9","5","9","9","1") = "8"
    & skf18("2","4","9","5","9","10","1") = "9"
    & skf18("2","4","9","5","10","1","1") = "9"
    & skf18("2","4","9","5","10","2","1") = "9"
    & skf18("2","4","9","5","10","3","1") = "9"
    & skf18("2","4","9","5","10","4","1") = "9"
    & skf18("2","4","9","5","10","5","1") = "9"
    & skf18("2","4","9","5","10","6","1") = "9"
    & skf18("2","4","9","5","10","7","1") = "9"
    & skf18("2","4","9","5","10","8","1") = "9"
    & skf18("2","4","9","5","10","9","1") = "9"
    & skf18("2","4","9","5","10","10","1") = "9"
    & skf18("2","4","9","6","1","1","1") = "8"
    & skf18("2","4","9","6","1","2","1") = "8"
    & skf18("2","4","9","6","1","3","1") = "8"
    & skf18("2","4","9","6","1","4","1") = "8"
    & skf18("2","4","9","6","1","5","1") = "8"
    & skf18("2","4","9","6","1","6","1") = "8"
    & skf18("2","4","9","6","1","7","1") = "8"
    & skf18("2","4","9","6","1","8","1") = "8"
    & skf18("2","4","9","6","1","9","1") = "8"
    & skf18("2","4","9","6","1","10","1") = "9"
    & skf18("2","4","9","6","2","1","1") = "8"
    & skf18("2","4","9","6","2","2","1") = "8"
    & skf18("2","4","9","6","2","3","1") = "8"
    & skf18("2","4","9","6","2","4","1") = "8"
    & skf18("2","4","9","6","2","5","1") = "8"
    & skf18("2","4","9","6","2","6","1") = "8"
    & skf18("2","4","9","6","2","7","1") = "8"
    & skf18("2","4","9","6","2","8","1") = "8"
    & skf18("2","4","9","6","2","9","1") = "8"
    & skf18("2","4","9","6","2","10","1") = "9"
    & skf18("2","4","9","6","3","1","1") = "8"
    & skf18("2","4","9","6","3","2","1") = "8"
    & skf18("2","4","9","6","3","3","1") = "8"
    & skf18("2","4","9","6","3","4","1") = "8"
    & skf18("2","4","9","6","3","5","1") = "8"
    & skf18("2","4","9","6","3","6","1") = "8"
    & skf18("2","4","9","6","3","7","1") = "8"
    & skf18("2","4","9","6","3","8","1") = "8"
    & skf18("2","4","9","6","3","9","1") = "8"
    & skf18("2","4","9","6","3","10","1") = "9"
    & skf18("2","4","9","6","4","1","1") = "8"
    & skf18("2","4","9","6","4","2","1") = "8"
    & skf18("2","4","9","6","4","3","1") = "8"
    & skf18("2","4","9","6","4","4","1") = "8"
    & skf18("2","4","9","6","4","5","1") = "8"
    & skf18("2","4","9","6","4","6","1") = "8"
    & skf18("2","4","9","6","4","7","1") = "8"
    & skf18("2","4","9","6","4","8","1") = "8"
    & skf18("2","4","9","6","4","9","1") = "8"
    & skf18("2","4","9","6","4","10","1") = "9"
    & skf18("2","4","9","6","5","1","1") = "8"
    & skf18("2","4","9","6","5","2","1") = "8"
    & skf18("2","4","9","6","5","3","1") = "8"
    & skf18("2","4","9","6","5","4","1") = "8"
    & skf18("2","4","9","6","5","5","1") = "8"
    & skf18("2","4","9","6","5","6","1") = "8"
    & skf18("2","4","9","6","5","7","1") = "8"
    & skf18("2","4","9","6","5","8","1") = "8"
    & skf18("2","4","9","6","5","9","1") = "8"
    & skf18("2","4","9","6","5","10","1") = "9"
    & skf18("2","4","9","6","6","1","1") = "8"
    & skf18("2","4","9","6","6","2","1") = "8"
    & skf18("2","4","9","6","6","3","1") = "8"
    & skf18("2","4","9","6","6","4","1") = "8"
    & skf18("2","4","9","6","6","5","1") = "8"
    & skf18("2","4","9","6","6","6","1") = "8"
    & skf18("2","4","9","6","6","7","1") = "8"
    & skf18("2","4","9","6","6","8","1") = "8"
    & skf18("2","4","9","6","6","9","1") = "8"
    & skf18("2","4","9","6","6","10","1") = "9"
    & skf18("2","4","9","6","7","1","1") = "8"
    & skf18("2","4","9","6","7","2","1") = "8"
    & skf18("2","4","9","6","7","3","1") = "8"
    & skf18("2","4","9","6","7","4","1") = "8"
    & skf18("2","4","9","6","7","5","1") = "8"
    & skf18("2","4","9","6","7","6","1") = "8"
    & skf18("2","4","9","6","7","7","1") = "8"
    & skf18("2","4","9","6","7","8","1") = "8"
    & skf18("2","4","9","6","7","9","1") = "8"
    & skf18("2","4","9","6","7","10","1") = "9"
    & skf18("2","4","9","6","8","1","1") = "8"
    & skf18("2","4","9","6","8","2","1") = "8"
    & skf18("2","4","9","6","8","3","1") = "8"
    & skf18("2","4","9","6","8","4","1") = "8"
    & skf18("2","4","9","6","8","5","1") = "8"
    & skf18("2","4","9","6","8","6","1") = "8"
    & skf18("2","4","9","6","8","7","1") = "8"
    & skf18("2","4","9","6","8","8","1") = "8"
    & skf18("2","4","9","6","8","9","1") = "8"
    & skf18("2","4","9","6","8","10","1") = "9"
    & skf18("2","4","9","6","9","1","1") = "8"
    & skf18("2","4","9","6","9","2","1") = "8"
    & skf18("2","4","9","6","9","3","1") = "8"
    & skf18("2","4","9","6","9","4","1") = "8"
    & skf18("2","4","9","6","9","5","1") = "8"
    & skf18("2","4","9","6","9","6","1") = "8"
    & skf18("2","4","9","6","9","7","1") = "8"
    & skf18("2","4","9","6","9","8","1") = "8"
    & skf18("2","4","9","6","9","9","1") = "8"
    & skf18("2","4","9","6","9","10","1") = "9"
    & skf18("2","4","9","6","10","1","1") = "9"
    & skf18("2","4","9","6","10","2","1") = "9"
    & skf18("2","4","9","6","10","3","1") = "9"
    & skf18("2","4","9","6","10","4","1") = "9"
    & skf18("2","4","9","6","10","5","1") = "9"
    & skf18("2","4","9","6","10","6","1") = "9"
    & skf18("2","4","9","6","10","7","1") = "9"
    & skf18("2","4","9","6","10","8","1") = "9"
    & skf18("2","4","9","6","10","9","1") = "9"
    & skf18("2","4","9","6","10","10","1") = "9"
    & skf18("2","4","9","7","1","1","1") = "8"
    & skf18("2","4","9","7","1","2","1") = "8"
    & skf18("2","4","9","7","1","3","1") = "8"
    & skf18("2","4","9","7","1","4","1") = "8"
    & skf18("2","4","9","7","1","5","1") = "8"
    & skf18("2","4","9","7","1","6","1") = "8"
    & skf18("2","4","9","7","1","7","1") = "8"
    & skf18("2","4","9","7","1","8","1") = "8"
    & skf18("2","4","9","7","1","9","1") = "8"
    & skf18("2","4","9","7","1","10","1") = "9"
    & skf18("2","4","9","7","2","1","1") = "8"
    & skf18("2","4","9","7","2","2","1") = "8"
    & skf18("2","4","9","7","2","3","1") = "8"
    & skf18("2","4","9","7","2","4","1") = "8"
    & skf18("2","4","9","7","2","5","1") = "8"
    & skf18("2","4","9","7","2","6","1") = "8"
    & skf18("2","4","9","7","2","7","1") = "8"
    & skf18("2","4","9","7","2","8","1") = "8"
    & skf18("2","4","9","7","2","9","1") = "8"
    & skf18("2","4","9","7","2","10","1") = "9"
    & skf18("2","4","9","7","3","1","1") = "8"
    & skf18("2","4","9","7","3","2","1") = "8"
    & skf18("2","4","9","7","3","3","1") = "8"
    & skf18("2","4","9","7","3","4","1") = "8"
    & skf18("2","4","9","7","3","5","1") = "8"
    & skf18("2","4","9","7","3","6","1") = "8"
    & skf18("2","4","9","7","3","7","1") = "8"
    & skf18("2","4","9","7","3","8","1") = "8"
    & skf18("2","4","9","7","3","9","1") = "8"
    & skf18("2","4","9","7","3","10","1") = "9"
    & skf18("2","4","9","7","4","1","1") = "8"
    & skf18("2","4","9","7","4","2","1") = "8"
    & skf18("2","4","9","7","4","3","1") = "8"
    & skf18("2","4","9","7","4","4","1") = "8"
    & skf18("2","4","9","7","4","5","1") = "8"
    & skf18("2","4","9","7","4","6","1") = "8"
    & skf18("2","4","9","7","4","7","1") = "8"
    & skf18("2","4","9","7","4","8","1") = "8"
    & skf18("2","4","9","7","4","9","1") = "8"
    & skf18("2","4","9","7","4","10","1") = "9"
    & skf18("2","4","9","7","5","1","1") = "8"
    & skf18("2","4","9","7","5","2","1") = "8"
    & skf18("2","4","9","7","5","3","1") = "8"
    & skf18("2","4","9","7","5","4","1") = "8"
    & skf18("2","4","9","7","5","5","1") = "8"
    & skf18("2","4","9","7","5","6","1") = "8"
    & skf18("2","4","9","7","5","7","1") = "8"
    & skf18("2","4","9","7","5","8","1") = "8"
    & skf18("2","4","9","7","5","9","1") = "8"
    & skf18("2","4","9","7","5","10","1") = "9"
    & skf18("2","4","9","7","6","1","1") = "8"
    & skf18("2","4","9","7","6","2","1") = "8"
    & skf18("2","4","9","7","6","3","1") = "8"
    & skf18("2","4","9","7","6","4","1") = "8"
    & skf18("2","4","9","7","6","5","1") = "8"
    & skf18("2","4","9","7","6","6","1") = "8"
    & skf18("2","4","9","7","6","7","1") = "8"
    & skf18("2","4","9","7","6","8","1") = "8"
    & skf18("2","4","9","7","6","9","1") = "8"
    & skf18("2","4","9","7","6","10","1") = "9"
    & skf18("2","4","9","7","7","1","1") = "8"
    & skf18("2","4","9","7","7","2","1") = "8"
    & skf18("2","4","9","7","7","3","1") = "8"
    & skf18("2","4","9","7","7","4","1") = "8"
    & skf18("2","4","9","7","7","5","1") = "8"
    & skf18("2","4","9","7","7","6","1") = "8"
    & skf18("2","4","9","7","7","7","1") = "8"
    & skf18("2","4","9","7","7","8","1") = "8"
    & skf18("2","4","9","7","7","9","1") = "8"
    & skf18("2","4","9","7","7","10","1") = "9"
    & skf18("2","4","9","7","8","1","1") = "8"
    & skf18("2","4","9","7","8","2","1") = "8"
    & skf18("2","4","9","7","8","3","1") = "8"
    & skf18("2","4","9","7","8","4","1") = "8"
    & skf18("2","4","9","7","8","5","1") = "8"
    & skf18("2","4","9","7","8","6","1") = "8"
    & skf18("2","4","9","7","8","7","1") = "8"
    & skf18("2","4","9","7","8","8","1") = "8"
    & skf18("2","4","9","7","8","9","1") = "8"
    & skf18("2","4","9","7","8","10","1") = "9"
    & skf18("2","4","9","7","9","1","1") = "8"
    & skf18("2","4","9","7","9","2","1") = "8"
    & skf18("2","4","9","7","9","3","1") = "8"
    & skf18("2","4","9","7","9","4","1") = "8"
    & skf18("2","4","9","7","9","5","1") = "8"
    & skf18("2","4","9","7","9","6","1") = "8"
    & skf18("2","4","9","7","9","7","1") = "8"
    & skf18("2","4","9","7","9","8","1") = "8"
    & skf18("2","4","9","7","9","9","1") = "8"
    & skf18("2","4","9","7","9","10","1") = "9"
    & skf18("2","4","9","7","10","1","1") = "9"
    & skf18("2","4","9","7","10","2","1") = "9"
    & skf18("2","4","9","7","10","3","1") = "9"
    & skf18("2","4","9","7","10","4","1") = "9"
    & skf18("2","4","9","7","10","5","1") = "9"
    & skf18("2","4","9","7","10","6","1") = "9"
    & skf18("2","4","9","7","10","7","1") = "9"
    & skf18("2","4","9","7","10","8","1") = "9"
    & skf18("2","4","9","7","10","9","1") = "9"
    & skf18("2","4","9","7","10","10","1") = "9"
    & skf18("2","4","9","8","1","1","1") = "8"
    & skf18("2","4","9","8","1","2","1") = "8"
    & skf18("2","4","9","8","1","3","1") = "8"
    & skf18("2","4","9","8","1","4","1") = "8"
    & skf18("2","4","9","8","1","5","1") = "8"
    & skf18("2","4","9","8","1","6","1") = "8"
    & skf18("2","4","9","8","1","7","1") = "8"
    & skf18("2","4","9","8","1","8","1") = "8"
    & skf18("2","4","9","8","1","9","1") = "8"
    & skf18("2","4","9","8","1","10","1") = "9"
    & skf18("2","4","9","8","2","1","1") = "8"
    & skf18("2","4","9","8","2","2","1") = "8"
    & skf18("2","4","9","8","2","3","1") = "8"
    & skf18("2","4","9","8","2","4","1") = "8"
    & skf18("2","4","9","8","2","5","1") = "8"
    & skf18("2","4","9","8","2","6","1") = "8"
    & skf18("2","4","9","8","2","7","1") = "8"
    & skf18("2","4","9","8","2","8","1") = "8"
    & skf18("2","4","9","8","2","9","1") = "8"
    & skf18("2","4","9","8","2","10","1") = "9"
    & skf18("2","4","9","8","3","1","1") = "8"
    & skf18("2","4","9","8","3","2","1") = "8"
    & skf18("2","4","9","8","3","3","1") = "8"
    & skf18("2","4","9","8","3","4","1") = "8"
    & skf18("2","4","9","8","3","5","1") = "8"
    & skf18("2","4","9","8","3","6","1") = "8"
    & skf18("2","4","9","8","3","7","1") = "8"
    & skf18("2","4","9","8","3","8","1") = "8"
    & skf18("2","4","9","8","3","9","1") = "8"
    & skf18("2","4","9","8","3","10","1") = "9"
    & skf18("2","4","9","8","4","1","1") = "8"
    & skf18("2","4","9","8","4","2","1") = "8"
    & skf18("2","4","9","8","4","3","1") = "8"
    & skf18("2","4","9","8","4","4","1") = "8"
    & skf18("2","4","9","8","4","5","1") = "8"
    & skf18("2","4","9","8","4","6","1") = "8"
    & skf18("2","4","9","8","4","7","1") = "8"
    & skf18("2","4","9","8","4","8","1") = "8"
    & skf18("2","4","9","8","4","9","1") = "8"
    & skf18("2","4","9","8","4","10","1") = "9"
    & skf18("2","4","9","8","5","1","1") = "8"
    & skf18("2","4","9","8","5","2","1") = "8"
    & skf18("2","4","9","8","5","3","1") = "8"
    & skf18("2","4","9","8","5","4","1") = "8"
    & skf18("2","4","9","8","5","5","1") = "8"
    & skf18("2","4","9","8","5","6","1") = "8"
    & skf18("2","4","9","8","5","7","1") = "8"
    & skf18("2","4","9","8","5","8","1") = "8"
    & skf18("2","4","9","8","5","9","1") = "8"
    & skf18("2","4","9","8","5","10","1") = "9"
    & skf18("2","4","9","8","6","1","1") = "8"
    & skf18("2","4","9","8","6","2","1") = "8"
    & skf18("2","4","9","8","6","3","1") = "8"
    & skf18("2","4","9","8","6","4","1") = "8"
    & skf18("2","4","9","8","6","5","1") = "8"
    & skf18("2","4","9","8","6","6","1") = "8"
    & skf18("2","4","9","8","6","7","1") = "8"
    & skf18("2","4","9","8","6","8","1") = "8"
    & skf18("2","4","9","8","6","9","1") = "8"
    & skf18("2","4","9","8","6","10","1") = "9"
    & skf18("2","4","9","8","7","1","1") = "8"
    & skf18("2","4","9","8","7","2","1") = "8"
    & skf18("2","4","9","8","7","3","1") = "8"
    & skf18("2","4","9","8","7","4","1") = "8"
    & skf18("2","4","9","8","7","5","1") = "8"
    & skf18("2","4","9","8","7","6","1") = "8"
    & skf18("2","4","9","8","7","7","1") = "8"
    & skf18("2","4","9","8","7","8","1") = "8"
    & skf18("2","4","9","8","7","9","1") = "8"
    & skf18("2","4","9","8","7","10","1") = "9"
    & skf18("2","4","9","8","8","1","1") = "8"
    & skf18("2","4","9","8","8","2","1") = "8"
    & skf18("2","4","9","8","8","3","1") = "8"
    & skf18("2","4","9","8","8","4","1") = "8"
    & skf18("2","4","9","8","8","5","1") = "8"
    & skf18("2","4","9","8","8","6","1") = "8"
    & skf18("2","4","9","8","8","7","1") = "8"
    & skf18("2","4","9","8","8","8","1") = "8"
    & skf18("2","4","9","8","8","9","1") = "8"
    & skf18("2","4","9","8","8","10","1") = "9"
    & skf18("2","4","9","8","9","1","1") = "8"
    & skf18("2","4","9","8","9","2","1") = "8"
    & skf18("2","4","9","8","9","3","1") = "8"
    & skf18("2","4","9","8","9","4","1") = "8"
    & skf18("2","4","9","8","9","5","1") = "8"
    & skf18("2","4","9","8","9","6","1") = "8"
    & skf18("2","4","9","8","9","7","1") = "8"
    & skf18("2","4","9","8","9","8","1") = "8"
    & skf18("2","4","9","8","9","9","1") = "8"
    & skf18("2","4","9","8","9","10","1") = "9"
    & skf18("2","4","9","8","10","1","1") = "9"
    & skf18("2","4","9","8","10","2","1") = "9"
    & skf18("2","4","9","8","10","3","1") = "9"
    & skf18("2","4","9","8","10","4","1") = "9"
    & skf18("2","4","9","8","10","5","1") = "9"
    & skf18("2","4","9","8","10","6","1") = "9"
    & skf18("2","4","9","8","10","7","1") = "9"
    & skf18("2","4","9","8","10","8","1") = "9"
    & skf18("2","4","9","8","10","9","1") = "9"
    & skf18("2","4","9","8","10","10","1") = "9"
    & skf18("2","4","9","9","1","1","1") = "8"
    & skf18("2","4","9","9","1","2","1") = "8"
    & skf18("2","4","9","9","1","3","1") = "8"
    & skf18("2","4","9","9","1","4","1") = "8"
    & skf18("2","4","9","9","1","5","1") = "8"
    & skf18("2","4","9","9","1","6","1") = "8"
    & skf18("2","4","9","9","1","7","1") = "8"
    & skf18("2","4","9","9","1","8","1") = "8"
    & skf18("2","4","9","9","1","9","1") = "8"
    & skf18("2","4","9","9","1","10","1") = "9"
    & skf18("2","4","9","9","2","1","1") = "8"
    & skf18("2","4","9","9","2","2","1") = "8"
    & skf18("2","4","9","9","2","3","1") = "8"
    & skf18("2","4","9","9","2","4","1") = "8"
    & skf18("2","4","9","9","2","5","1") = "8"
    & skf18("2","4","9","9","2","6","1") = "8"
    & skf18("2","4","9","9","2","7","1") = "8"
    & skf18("2","4","9","9","2","8","1") = "8"
    & skf18("2","4","9","9","2","9","1") = "8"
    & skf18("2","4","9","9","2","10","1") = "9"
    & skf18("2","4","9","9","3","1","1") = "8"
    & skf18("2","4","9","9","3","2","1") = "8"
    & skf18("2","4","9","9","3","3","1") = "8"
    & skf18("2","4","9","9","3","4","1") = "8"
    & skf18("2","4","9","9","3","5","1") = "8"
    & skf18("2","4","9","9","3","6","1") = "8"
    & skf18("2","4","9","9","3","7","1") = "8"
    & skf18("2","4","9","9","3","8","1") = "8"
    & skf18("2","4","9","9","3","9","1") = "8"
    & skf18("2","4","9","9","3","10","1") = "9"
    & skf18("2","4","9","9","4","1","1") = "8"
    & skf18("2","4","9","9","4","2","1") = "8"
    & skf18("2","4","9","9","4","3","1") = "8"
    & skf18("2","4","9","9","4","4","1") = "8"
    & skf18("2","4","9","9","4","5","1") = "8"
    & skf18("2","4","9","9","4","6","1") = "8"
    & skf18("2","4","9","9","4","7","1") = "8"
    & skf18("2","4","9","9","4","8","1") = "8"
    & skf18("2","4","9","9","4","9","1") = "8"
    & skf18("2","4","9","9","4","10","1") = "9"
    & skf18("2","4","9","9","5","1","1") = "8"
    & skf18("2","4","9","9","5","2","1") = "8"
    & skf18("2","4","9","9","5","3","1") = "8"
    & skf18("2","4","9","9","5","4","1") = "8"
    & skf18("2","4","9","9","5","5","1") = "8"
    & skf18("2","4","9","9","5","6","1") = "8"
    & skf18("2","4","9","9","5","7","1") = "8"
    & skf18("2","4","9","9","5","8","1") = "8"
    & skf18("2","4","9","9","5","9","1") = "8"
    & skf18("2","4","9","9","5","10","1") = "9"
    & skf18("2","4","9","9","6","1","1") = "8"
    & skf18("2","4","9","9","6","2","1") = "8"
    & skf18("2","4","9","9","6","3","1") = "8"
    & skf18("2","4","9","9","6","4","1") = "8"
    & skf18("2","4","9","9","6","5","1") = "8"
    & skf18("2","4","9","9","6","6","1") = "8"
    & skf18("2","4","9","9","6","7","1") = "8"
    & skf18("2","4","9","9","6","8","1") = "8"
    & skf18("2","4","9","9","6","9","1") = "8"
    & skf18("2","4","9","9","6","10","1") = "9"
    & skf18("2","4","9","9","7","1","1") = "8"
    & skf18("2","4","9","9","7","2","1") = "8"
    & skf18("2","4","9","9","7","3","1") = "8"
    & skf18("2","4","9","9","7","4","1") = "8"
    & skf18("2","4","9","9","7","5","1") = "8"
    & skf18("2","4","9","9","7","6","1") = "8"
    & skf18("2","4","9","9","7","7","1") = "8"
    & skf18("2","4","9","9","7","8","1") = "8"
    & skf18("2","4","9","9","7","9","1") = "8"
    & skf18("2","4","9","9","7","10","1") = "9"
    & skf18("2","4","9","9","8","1","1") = "8"
    & skf18("2","4","9","9","8","2","1") = "8"
    & skf18("2","4","9","9","8","3","1") = "8"
    & skf18("2","4","9","9","8","4","1") = "8"
    & skf18("2","4","9","9","8","5","1") = "8"
    & skf18("2","4","9","9","8","6","1") = "8"
    & skf18("2","4","9","9","8","7","1") = "8"
    & skf18("2","4","9","9","8","8","1") = "8"
    & skf18("2","4","9","9","8","9","1") = "8"
    & skf18("2","4","9","9","8","10","1") = "9"
    & skf18("2","4","9","9","9","1","1") = "8"
    & skf18("2","4","9","9","9","2","1") = "8"
    & skf18("2","4","9","9","9","3","1") = "8"
    & skf18("2","4","9","9","9","4","1") = "8"
    & skf18("2","4","9","9","9","5","1") = "8"
    & skf18("2","4","9","9","9","6","1") = "8"
    & skf18("2","4","9","9","9","7","1") = "8"
    & skf18("2","4","9","9","9","8","1") = "8"
    & skf18("2","4","9","9","9","9","1") = "8"
    & skf18("2","4","9","9","9","10","1") = "9"
    & skf18("2","4","9","9","10","1","1") = "9"
    & skf18("2","4","9","9","10","2","1") = "9"
    & skf18("2","4","9","9","10","3","1") = "9"
    & skf18("2","4","9","9","10","4","1") = "9"
    & skf18("2","4","9","9","10","5","1") = "9"
    & skf18("2","4","9","9","10","6","1") = "9"
    & skf18("2","4","9","9","10","7","1") = "9"
    & skf18("2","4","9","9","10","8","1") = "9"
    & skf18("2","4","9","9","10","9","1") = "9"
    & skf18("2","4","9","9","10","10","1") = "9"
    & skf18("2","4","9","10","1","1","1") = "9"
    & skf18("2","4","9","10","1","2","1") = "9"
    & skf18("2","4","9","10","1","3","1") = "9"
    & skf18("2","4","9","10","1","4","1") = "9"
    & skf18("2","4","9","10","1","5","1") = "9"
    & skf18("2","4","9","10","1","6","1") = "9"
    & skf18("2","4","9","10","1","7","1") = "9"
    & skf18("2","4","9","10","1","8","1") = "9"
    & skf18("2","4","9","10","1","9","1") = "9"
    & skf18("2","4","9","10","1","10","1") = "9"
    & skf18("2","4","9","10","2","1","1") = "9"
    & skf18("2","4","9","10","2","2","1") = "9"
    & skf18("2","4","9","10","2","3","1") = "9"
    & skf18("2","4","9","10","2","4","1") = "9"
    & skf18("2","4","9","10","2","5","1") = "9"
    & skf18("2","4","9","10","2","6","1") = "9"
    & skf18("2","4","9","10","2","7","1") = "9"
    & skf18("2","4","9","10","2","8","1") = "9"
    & skf18("2","4","9","10","2","9","1") = "9"
    & skf18("2","4","9","10","2","10","1") = "9"
    & skf18("2","4","9","10","3","1","1") = "9"
    & skf18("2","4","9","10","3","2","1") = "9"
    & skf18("2","4","9","10","3","3","1") = "9"
    & skf18("2","4","9","10","3","4","1") = "9"
    & skf18("2","4","9","10","3","5","1") = "9"
    & skf18("2","4","9","10","3","6","1") = "9"
    & skf18("2","4","9","10","3","7","1") = "9"
    & skf18("2","4","9","10","3","8","1") = "9"
    & skf18("2","4","9","10","3","9","1") = "9"
    & skf18("2","4","9","10","3","10","1") = "9"
    & skf18("2","4","9","10","4","1","1") = "9"
    & skf18("2","4","9","10","4","2","1") = "9"
    & skf18("2","4","9","10","4","3","1") = "9"
    & skf18("2","4","9","10","4","4","1") = "9"
    & skf18("2","4","9","10","4","5","1") = "9"
    & skf18("2","4","9","10","4","6","1") = "9"
    & skf18("2","4","9","10","4","7","1") = "9"
    & skf18("2","4","9","10","4","8","1") = "9"
    & skf18("2","4","9","10","4","9","1") = "9"
    & skf18("2","4","9","10","4","10","1") = "9"
    & skf18("2","4","9","10","5","1","1") = "9"
    & skf18("2","4","9","10","5","2","1") = "9"
    & skf18("2","4","9","10","5","3","1") = "9"
    & skf18("2","4","9","10","5","4","1") = "9"
    & skf18("2","4","9","10","5","5","1") = "9"
    & skf18("2","4","9","10","5","6","1") = "9"
    & skf18("2","4","9","10","5","7","1") = "9"
    & skf18("2","4","9","10","5","8","1") = "9"
    & skf18("2","4","9","10","5","9","1") = "9"
    & skf18("2","4","9","10","5","10","1") = "9"
    & skf18("2","4","9","10","6","1","1") = "9"
    & skf18("2","4","9","10","6","2","1") = "9"
    & skf18("2","4","9","10","6","3","1") = "9"
    & skf18("2","4","9","10","6","4","1") = "9"
    & skf18("2","4","9","10","6","5","1") = "9"
    & skf18("2","4","9","10","6","6","1") = "9"
    & skf18("2","4","9","10","6","7","1") = "9"
    & skf18("2","4","9","10","6","8","1") = "9"
    & skf18("2","4","9","10","6","9","1") = "9"
    & skf18("2","4","9","10","6","10","1") = "9"
    & skf18("2","4","9","10","7","1","1") = "9"
    & skf18("2","4","9","10","7","2","1") = "9"
    & skf18("2","4","9","10","7","3","1") = "9"
    & skf18("2","4","9","10","7","4","1") = "9"
    & skf18("2","4","9","10","7","5","1") = "9"
    & skf18("2","4","9","10","7","6","1") = "9"
    & skf18("2","4","9","10","7","7","1") = "9"
    & skf18("2","4","9","10","7","8","1") = "9"
    & skf18("2","4","9","10","7","9","1") = "9"
    & skf18("2","4","9","10","7","10","1") = "9"
    & skf18("2","4","9","10","8","1","1") = "9"
    & skf18("2","4","9","10","8","2","1") = "9"
    & skf18("2","4","9","10","8","3","1") = "9"
    & skf18("2","4","9","10","8","4","1") = "9"
    & skf18("2","4","9","10","8","5","1") = "9"
    & skf18("2","4","9","10","8","6","1") = "9"
    & skf18("2","4","9","10","8","7","1") = "9"
    & skf18("2","4","9","10","8","8","1") = "9"
    & skf18("2","4","9","10","8","9","1") = "9"
    & skf18("2","4","9","10","8","10","1") = "9"
    & skf18("2","4","9","10","9","1","1") = "9"
    & skf18("2","4","9","10","9","2","1") = "9"
    & skf18("2","4","9","10","9","3","1") = "9"
    & skf18("2","4","9","10","9","4","1") = "9"
    & skf18("2","4","9","10","9","5","1") = "9"
    & skf18("2","4","9","10","9","6","1") = "9"
    & skf18("2","4","9","10","9","7","1") = "9"
    & skf18("2","4","9","10","9","8","1") = "9"
    & skf18("2","4","9","10","9","9","1") = "9"
    & skf18("2","4","9","10","9","10","1") = "9"
    & skf18("2","4","9","10","10","1","1") = "9"
    & skf18("2","4","9","10","10","2","1") = "9"
    & skf18("2","4","9","10","10","3","1") = "9"
    & skf18("2","4","9","10","10","4","1") = "9"
    & skf18("2","4","9","10","10","5","1") = "9"
    & skf18("2","4","9","10","10","6","1") = "9"
    & skf18("2","4","9","10","10","7","1") = "9"
    & skf18("2","4","9","10","10","8","1") = "9"
    & skf18("2","4","9","10","10","9","1") = "9"
    & skf18("2","4","9","10","10","10","1") = "9"
    & skf18("2","4","10","1","1","1","1") = "9"
    & skf18("2","4","10","1","1","2","1") = "9"
    & skf18("2","4","10","1","1","3","1") = "9"
    & skf18("2","4","10","1","1","4","1") = "9"
    & skf18("2","4","10","1","1","5","1") = "9"
    & skf18("2","4","10","1","1","6","1") = "9"
    & skf18("2","4","10","1","1","7","1") = "9"
    & skf18("2","4","10","1","1","8","1") = "9"
    & skf18("2","4","10","1","1","9","1") = "9"
    & skf18("2","4","10","1","1","10","1") = "9"
    & skf18("2","4","10","1","2","1","1") = "9"
    & skf18("2","4","10","1","2","2","1") = "9"
    & skf18("2","4","10","1","2","3","1") = "9"
    & skf18("2","4","10","1","2","4","1") = "9"
    & skf18("2","4","10","1","2","5","1") = "9"
    & skf18("2","4","10","1","2","6","1") = "9"
    & skf18("2","4","10","1","2","7","1") = "9"
    & skf18("2","4","10","1","2","8","1") = "9"
    & skf18("2","4","10","1","2","9","1") = "9"
    & skf18("2","4","10","1","2","10","1") = "9"
    & skf18("2","4","10","1","3","1","1") = "9"
    & skf18("2","4","10","1","3","2","1") = "9"
    & skf18("2","4","10","1","3","3","1") = "9"
    & skf18("2","4","10","1","3","4","1") = "9"
    & skf18("2","4","10","1","3","5","1") = "9"
    & skf18("2","4","10","1","3","6","1") = "9"
    & skf18("2","4","10","1","3","7","1") = "9"
    & skf18("2","4","10","1","3","8","1") = "9"
    & skf18("2","4","10","1","3","9","1") = "9"
    & skf18("2","4","10","1","3","10","1") = "9"
    & skf18("2","4","10","1","4","1","1") = "9"
    & skf18("2","4","10","1","4","2","1") = "9"
    & skf18("2","4","10","1","4","3","1") = "9"
    & skf18("2","4","10","1","4","4","1") = "9"
    & skf18("2","4","10","1","4","5","1") = "9"
    & skf18("2","4","10","1","4","6","1") = "9"
    & skf18("2","4","10","1","4","7","1") = "9"
    & skf18("2","4","10","1","4","8","1") = "9"
    & skf18("2","4","10","1","4","9","1") = "9"
    & skf18("2","4","10","1","4","10","1") = "9"
    & skf18("2","4","10","1","5","1","1") = "9"
    & skf18("2","4","10","1","5","2","1") = "9"
    & skf18("2","4","10","1","5","3","1") = "9"
    & skf18("2","4","10","1","5","4","1") = "9"
    & skf18("2","4","10","1","5","5","1") = "9"
    & skf18("2","4","10","1","5","6","1") = "9"
    & skf18("2","4","10","1","5","7","1") = "9"
    & skf18("2","4","10","1","5","8","1") = "9"
    & skf18("2","4","10","1","5","9","1") = "9"
    & skf18("2","4","10","1","5","10","1") = "9"
    & skf18("2","4","10","1","6","1","1") = "9"
    & skf18("2","4","10","1","6","2","1") = "9"
    & skf18("2","4","10","1","6","3","1") = "9"
    & skf18("2","4","10","1","6","4","1") = "9"
    & skf18("2","4","10","1","6","5","1") = "9"
    & skf18("2","4","10","1","6","6","1") = "9"
    & skf18("2","4","10","1","6","7","1") = "9"
    & skf18("2","4","10","1","6","8","1") = "9"
    & skf18("2","4","10","1","6","9","1") = "9"
    & skf18("2","4","10","1","6","10","1") = "9"
    & skf18("2","4","10","1","7","1","1") = "9"
    & skf18("2","4","10","1","7","2","1") = "9"
    & skf18("2","4","10","1","7","3","1") = "9"
    & skf18("2","4","10","1","7","4","1") = "9"
    & skf18("2","4","10","1","7","5","1") = "9"
    & skf18("2","4","10","1","7","6","1") = "9"
    & skf18("2","4","10","1","7","7","1") = "9"
    & skf18("2","4","10","1","7","8","1") = "9"
    & skf18("2","4","10","1","7","9","1") = "9"
    & skf18("2","4","10","1","7","10","1") = "9"
    & skf18("2","4","10","1","8","1","1") = "9"
    & skf18("2","4","10","1","8","2","1") = "9"
    & skf18("2","4","10","1","8","3","1") = "9"
    & skf18("2","4","10","1","8","4","1") = "9"
    & skf18("2","4","10","1","8","5","1") = "9"
    & skf18("2","4","10","1","8","6","1") = "9"
    & skf18("2","4","10","1","8","7","1") = "9"
    & skf18("2","4","10","1","8","8","1") = "9"
    & skf18("2","4","10","1","8","9","1") = "9"
    & skf18("2","4","10","1","8","10","1") = "9"
    & skf18("2","4","10","1","9","1","1") = "9"
    & skf18("2","4","10","1","9","2","1") = "9"
    & skf18("2","4","10","1","9","3","1") = "9"
    & skf18("2","4","10","1","9","4","1") = "9"
    & skf18("2","4","10","1","9","5","1") = "9"
    & skf18("2","4","10","1","9","6","1") = "9"
    & skf18("2","4","10","1","9","7","1") = "9"
    & skf18("2","4","10","1","9","8","1") = "9"
    & skf18("2","4","10","1","9","9","1") = "9"
    & skf18("2","4","10","1","9","10","1") = "9"
    & skf18("2","4","10","1","10","1","1") = "9"
    & skf18("2","4","10","1","10","2","1") = "9"
    & skf18("2","4","10","1","10","3","1") = "9"
    & skf18("2","4","10","1","10","4","1") = "9"
    & skf18("2","4","10","1","10","5","1") = "9"
    & skf18("2","4","10","1","10","6","1") = "9"
    & skf18("2","4","10","1","10","7","1") = "9"
    & skf18("2","4","10","1","10","8","1") = "9"
    & skf18("2","4","10","1","10","9","1") = "9"
    & skf18("2","4","10","1","10","10","1") = "9"
    & skf18("2","4","10","2","1","1","1") = "9"
    & skf18("2","4","10","2","1","2","1") = "9"
    & skf18("2","4","10","2","1","3","1") = "9"
    & skf18("2","4","10","2","1","4","1") = "9"
    & skf18("2","4","10","2","1","5","1") = "9"
    & skf18("2","4","10","2","1","6","1") = "9"
    & skf18("2","4","10","2","1","7","1") = "9"
    & skf18("2","4","10","2","1","8","1") = "9"
    & skf18("2","4","10","2","1","9","1") = "9"
    & skf18("2","4","10","2","1","10","1") = "9"
    & skf18("2","4","10","2","2","1","1") = "9"
    & skf18("2","4","10","2","2","2","1") = "9"
    & skf18("2","4","10","2","2","3","1") = "9"
    & skf18("2","4","10","2","2","4","1") = "9"
    & skf18("2","4","10","2","2","5","1") = "9"
    & skf18("2","4","10","2","2","6","1") = "9"
    & skf18("2","4","10","2","2","7","1") = "9"
    & skf18("2","4","10","2","2","8","1") = "9"
    & skf18("2","4","10","2","2","9","1") = "9"
    & skf18("2","4","10","2","2","10","1") = "9"
    & skf18("2","4","10","2","3","1","1") = "9"
    & skf18("2","4","10","2","3","2","1") = "9"
    & skf18("2","4","10","2","3","3","1") = "9"
    & skf18("2","4","10","2","3","4","1") = "9"
    & skf18("2","4","10","2","3","5","1") = "9"
    & skf18("2","4","10","2","3","6","1") = "9"
    & skf18("2","4","10","2","3","7","1") = "9"
    & skf18("2","4","10","2","3","8","1") = "9"
    & skf18("2","4","10","2","3","9","1") = "9"
    & skf18("2","4","10","2","3","10","1") = "9"
    & skf18("2","4","10","2","4","1","1") = "9"
    & skf18("2","4","10","2","4","2","1") = "9"
    & skf18("2","4","10","2","4","3","1") = "9"
    & skf18("2","4","10","2","4","4","1") = "9"
    & skf18("2","4","10","2","4","5","1") = "9"
    & skf18("2","4","10","2","4","6","1") = "9"
    & skf18("2","4","10","2","4","7","1") = "9"
    & skf18("2","4","10","2","4","8","1") = "9"
    & skf18("2","4","10","2","4","9","1") = "9"
    & skf18("2","4","10","2","4","10","1") = "9"
    & skf18("2","4","10","2","5","1","1") = "9"
    & skf18("2","4","10","2","5","2","1") = "9"
    & skf18("2","4","10","2","5","3","1") = "9"
    & skf18("2","4","10","2","5","4","1") = "9"
    & skf18("2","4","10","2","5","5","1") = "9"
    & skf18("2","4","10","2","5","6","1") = "9"
    & skf18("2","4","10","2","5","7","1") = "9"
    & skf18("2","4","10","2","5","8","1") = "9"
    & skf18("2","4","10","2","5","9","1") = "9"
    & skf18("2","4","10","2","5","10","1") = "9"
    & skf18("2","4","10","2","6","1","1") = "9"
    & skf18("2","4","10","2","6","2","1") = "9"
    & skf18("2","4","10","2","6","3","1") = "9"
    & skf18("2","4","10","2","6","4","1") = "9"
    & skf18("2","4","10","2","6","5","1") = "9"
    & skf18("2","4","10","2","6","6","1") = "9"
    & skf18("2","4","10","2","6","7","1") = "9"
    & skf18("2","4","10","2","6","8","1") = "9"
    & skf18("2","4","10","2","6","9","1") = "9"
    & skf18("2","4","10","2","6","10","1") = "9"
    & skf18("2","4","10","2","7","1","1") = "9"
    & skf18("2","4","10","2","7","2","1") = "9"
    & skf18("2","4","10","2","7","3","1") = "9"
    & skf18("2","4","10","2","7","4","1") = "9"
    & skf18("2","4","10","2","7","5","1") = "9"
    & skf18("2","4","10","2","7","6","1") = "9"
    & skf18("2","4","10","2","7","7","1") = "9"
    & skf18("2","4","10","2","7","8","1") = "9"
    & skf18("2","4","10","2","7","9","1") = "9"
    & skf18("2","4","10","2","7","10","1") = "9"
    & skf18("2","4","10","2","8","1","1") = "9"
    & skf18("2","4","10","2","8","2","1") = "9"
    & skf18("2","4","10","2","8","3","1") = "9"
    & skf18("2","4","10","2","8","4","1") = "9"
    & skf18("2","4","10","2","8","5","1") = "9"
    & skf18("2","4","10","2","8","6","1") = "9"
    & skf18("2","4","10","2","8","7","1") = "9"
    & skf18("2","4","10","2","8","8","1") = "9"
    & skf18("2","4","10","2","8","9","1") = "9"
    & skf18("2","4","10","2","8","10","1") = "9"
    & skf18("2","4","10","2","9","1","1") = "9"
    & skf18("2","4","10","2","9","2","1") = "9"
    & skf18("2","4","10","2","9","3","1") = "9"
    & skf18("2","4","10","2","9","4","1") = "9"
    & skf18("2","4","10","2","9","5","1") = "9"
    & skf18("2","4","10","2","9","6","1") = "9"
    & skf18("2","4","10","2","9","7","1") = "9"
    & skf18("2","4","10","2","9","8","1") = "9"
    & skf18("2","4","10","2","9","9","1") = "9"
    & skf18("2","4","10","2","9","10","1") = "9"
    & skf18("2","4","10","2","10","1","1") = "9"
    & skf18("2","4","10","2","10","2","1") = "9"
    & skf18("2","4","10","2","10","3","1") = "9"
    & skf18("2","4","10","2","10","4","1") = "9"
    & skf18("2","4","10","2","10","5","1") = "9"
    & skf18("2","4","10","2","10","6","1") = "9"
    & skf18("2","4","10","2","10","7","1") = "9"
    & skf18("2","4","10","2","10","8","1") = "9"
    & skf18("2","4","10","2","10","9","1") = "9"
    & skf18("2","4","10","2","10","10","1") = "9"
    & skf18("2","4","10","3","1","1","1") = "9"
    & skf18("2","4","10","3","1","2","1") = "9"
    & skf18("2","4","10","3","1","3","1") = "9"
    & skf18("2","4","10","3","1","4","1") = "9"
    & skf18("2","4","10","3","1","5","1") = "9"
    & skf18("2","4","10","3","1","6","1") = "9"
    & skf18("2","4","10","3","1","7","1") = "9"
    & skf18("2","4","10","3","1","8","1") = "9"
    & skf18("2","4","10","3","1","9","1") = "9"
    & skf18("2","4","10","3","1","10","1") = "9"
    & skf18("2","4","10","3","2","1","1") = "9"
    & skf18("2","4","10","3","2","2","1") = "9"
    & skf18("2","4","10","3","2","3","1") = "9"
    & skf18("2","4","10","3","2","4","1") = "9"
    & skf18("2","4","10","3","2","5","1") = "9"
    & skf18("2","4","10","3","2","6","1") = "9"
    & skf18("2","4","10","3","2","7","1") = "9"
    & skf18("2","4","10","3","2","8","1") = "9"
    & skf18("2","4","10","3","2","9","1") = "9"
    & skf18("2","4","10","3","2","10","1") = "9"
    & skf18("2","4","10","3","3","1","1") = "9"
    & skf18("2","4","10","3","3","2","1") = "9"
    & skf18("2","4","10","3","3","3","1") = "9"
    & skf18("2","4","10","3","3","4","1") = "9"
    & skf18("2","4","10","3","3","5","1") = "9"
    & skf18("2","4","10","3","3","6","1") = "9"
    & skf18("2","4","10","3","3","7","1") = "9"
    & skf18("2","4","10","3","3","8","1") = "9"
    & skf18("2","4","10","3","3","9","1") = "9"
    & skf18("2","4","10","3","3","10","1") = "9"
    & skf18("2","4","10","3","4","1","1") = "9"
    & skf18("2","4","10","3","4","2","1") = "9"
    & skf18("2","4","10","3","4","3","1") = "9"
    & skf18("2","4","10","3","4","4","1") = "9"
    & skf18("2","4","10","3","4","5","1") = "9"
    & skf18("2","4","10","3","4","6","1") = "9"
    & skf18("2","4","10","3","4","7","1") = "9"
    & skf18("2","4","10","3","4","8","1") = "9"
    & skf18("2","4","10","3","4","9","1") = "9"
    & skf18("2","4","10","3","4","10","1") = "9"
    & skf18("2","4","10","3","5","1","1") = "9"
    & skf18("2","4","10","3","5","2","1") = "9"
    & skf18("2","4","10","3","5","3","1") = "9"
    & skf18("2","4","10","3","5","4","1") = "9"
    & skf18("2","4","10","3","5","5","1") = "9"
    & skf18("2","4","10","3","5","6","1") = "9"
    & skf18("2","4","10","3","5","7","1") = "9"
    & skf18("2","4","10","3","5","8","1") = "9"
    & skf18("2","4","10","3","5","9","1") = "9"
    & skf18("2","4","10","3","5","10","1") = "9"
    & skf18("2","4","10","3","6","1","1") = "9"
    & skf18("2","4","10","3","6","2","1") = "9"
    & skf18("2","4","10","3","6","3","1") = "9"
    & skf18("2","4","10","3","6","4","1") = "9"
    & skf18("2","4","10","3","6","5","1") = "9"
    & skf18("2","4","10","3","6","6","1") = "9"
    & skf18("2","4","10","3","6","7","1") = "9"
    & skf18("2","4","10","3","6","8","1") = "9"
    & skf18("2","4","10","3","6","9","1") = "9"
    & skf18("2","4","10","3","6","10","1") = "9"
    & skf18("2","4","10","3","7","1","1") = "9"
    & skf18("2","4","10","3","7","2","1") = "9"
    & skf18("2","4","10","3","7","3","1") = "9"
    & skf18("2","4","10","3","7","4","1") = "9"
    & skf18("2","4","10","3","7","5","1") = "9"
    & skf18("2","4","10","3","7","6","1") = "9"
    & skf18("2","4","10","3","7","7","1") = "9"
    & skf18("2","4","10","3","7","8","1") = "9"
    & skf18("2","4","10","3","7","9","1") = "9"
    & skf18("2","4","10","3","7","10","1") = "9"
    & skf18("2","4","10","3","8","1","1") = "9"
    & skf18("2","4","10","3","8","2","1") = "9"
    & skf18("2","4","10","3","8","3","1") = "9"
    & skf18("2","4","10","3","8","4","1") = "9"
    & skf18("2","4","10","3","8","5","1") = "9"
    & skf18("2","4","10","3","8","6","1") = "9"
    & skf18("2","4","10","3","8","7","1") = "9"
    & skf18("2","4","10","3","8","8","1") = "9"
    & skf18("2","4","10","3","8","9","1") = "9"
    & skf18("2","4","10","3","8","10","1") = "9"
    & skf18("2","4","10","3","9","1","1") = "9"
    & skf18("2","4","10","3","9","2","1") = "9"
    & skf18("2","4","10","3","9","3","1") = "9"
    & skf18("2","4","10","3","9","4","1") = "9"
    & skf18("2","4","10","3","9","5","1") = "9"
    & skf18("2","4","10","3","9","6","1") = "9"
    & skf18("2","4","10","3","9","7","1") = "9"
    & skf18("2","4","10","3","9","8","1") = "9"
    & skf18("2","4","10","3","9","9","1") = "9"
    & skf18("2","4","10","3","9","10","1") = "9"
    & skf18("2","4","10","3","10","1","1") = "9"
    & skf18("2","4","10","3","10","2","1") = "9"
    & skf18("2","4","10","3","10","3","1") = "9"
    & skf18("2","4","10","3","10","4","1") = "9"
    & skf18("2","4","10","3","10","5","1") = "9"
    & skf18("2","4","10","3","10","6","1") = "9"
    & skf18("2","4","10","3","10","7","1") = "9"
    & skf18("2","4","10","3","10","8","1") = "9"
    & skf18("2","4","10","3","10","9","1") = "9"
    & skf18("2","4","10","3","10","10","1") = "9"
    & skf18("2","4","10","4","1","1","1") = "9"
    & skf18("2","4","10","4","1","2","1") = "9"
    & skf18("2","4","10","4","1","3","1") = "9"
    & skf18("2","4","10","4","1","4","1") = "9"
    & skf18("2","4","10","4","1","5","1") = "9"
    & skf18("2","4","10","4","1","6","1") = "9"
    & skf18("2","4","10","4","1","7","1") = "9"
    & skf18("2","4","10","4","1","8","1") = "9"
    & skf18("2","4","10","4","1","9","1") = "9"
    & skf18("2","4","10","4","1","10","1") = "9"
    & skf18("2","4","10","4","2","1","1") = "9"
    & skf18("2","4","10","4","2","2","1") = "9"
    & skf18("2","4","10","4","2","3","1") = "9"
    & skf18("2","4","10","4","2","4","1") = "9"
    & skf18("2","4","10","4","2","5","1") = "9"
    & skf18("2","4","10","4","2","6","1") = "9"
    & skf18("2","4","10","4","2","7","1") = "9"
    & skf18("2","4","10","4","2","8","1") = "9"
    & skf18("2","4","10","4","2","9","1") = "9"
    & skf18("2","4","10","4","2","10","1") = "9"
    & skf18("2","4","10","4","3","1","1") = "9"
    & skf18("2","4","10","4","3","2","1") = "9"
    & skf18("2","4","10","4","3","3","1") = "9"
    & skf18("2","4","10","4","3","4","1") = "9"
    & skf18("2","4","10","4","3","5","1") = "9"
    & skf18("2","4","10","4","3","6","1") = "9"
    & skf18("2","4","10","4","3","7","1") = "9"
    & skf18("2","4","10","4","3","8","1") = "9"
    & skf18("2","4","10","4","3","9","1") = "9"
    & skf18("2","4","10","4","3","10","1") = "9"
    & skf18("2","4","10","4","4","1","1") = "9"
    & skf18("2","4","10","4","4","2","1") = "9"
    & skf18("2","4","10","4","4","3","1") = "9"
    & skf18("2","4","10","4","4","4","1") = "9"
    & skf18("2","4","10","4","4","5","1") = "9"
    & skf18("2","4","10","4","4","6","1") = "9"
    & skf18("2","4","10","4","4","7","1") = "9"
    & skf18("2","4","10","4","4","8","1") = "9"
    & skf18("2","4","10","4","4","9","1") = "9"
    & skf18("2","4","10","4","4","10","1") = "9"
    & skf18("2","4","10","4","5","1","1") = "9"
    & skf18("2","4","10","4","5","2","1") = "9"
    & skf18("2","4","10","4","5","3","1") = "9"
    & skf18("2","4","10","4","5","4","1") = "9"
    & skf18("2","4","10","4","5","5","1") = "9"
    & skf18("2","4","10","4","5","6","1") = "9"
    & skf18("2","4","10","4","5","7","1") = "9"
    & skf18("2","4","10","4","5","8","1") = "9"
    & skf18("2","4","10","4","5","9","1") = "9"
    & skf18("2","4","10","4","5","10","1") = "9"
    & skf18("2","4","10","4","6","1","1") = "9"
    & skf18("2","4","10","4","6","2","1") = "9"
    & skf18("2","4","10","4","6","3","1") = "9"
    & skf18("2","4","10","4","6","4","1") = "9"
    & skf18("2","4","10","4","6","5","1") = "9"
    & skf18("2","4","10","4","6","6","1") = "9"
    & skf18("2","4","10","4","6","7","1") = "9"
    & skf18("2","4","10","4","6","8","1") = "9"
    & skf18("2","4","10","4","6","9","1") = "9"
    & skf18("2","4","10","4","6","10","1") = "9"
    & skf18("2","4","10","4","7","1","1") = "9"
    & skf18("2","4","10","4","7","2","1") = "9"
    & skf18("2","4","10","4","7","3","1") = "9"
    & skf18("2","4","10","4","7","4","1") = "9"
    & skf18("2","4","10","4","7","5","1") = "9"
    & skf18("2","4","10","4","7","6","1") = "9"
    & skf18("2","4","10","4","7","7","1") = "9"
    & skf18("2","4","10","4","7","8","1") = "9"
    & skf18("2","4","10","4","7","9","1") = "9"
    & skf18("2","4","10","4","7","10","1") = "9"
    & skf18("2","4","10","4","8","1","1") = "9"
    & skf18("2","4","10","4","8","2","1") = "9"
    & skf18("2","4","10","4","8","3","1") = "9"
    & skf18("2","4","10","4","8","4","1") = "9"
    & skf18("2","4","10","4","8","5","1") = "9"
    & skf18("2","4","10","4","8","6","1") = "9"
    & skf18("2","4","10","4","8","7","1") = "9"
    & skf18("2","4","10","4","8","8","1") = "9"
    & skf18("2","4","10","4","8","9","1") = "9"
    & skf18("2","4","10","4","8","10","1") = "9"
    & skf18("2","4","10","4","9","1","1") = "9"
    & skf18("2","4","10","4","9","2","1") = "9"
    & skf18("2","4","10","4","9","3","1") = "9"
    & skf18("2","4","10","4","9","4","1") = "9"
    & skf18("2","4","10","4","9","5","1") = "9"
    & skf18("2","4","10","4","9","6","1") = "9"
    & skf18("2","4","10","4","9","7","1") = "9"
    & skf18("2","4","10","4","9","8","1") = "9"
    & skf18("2","4","10","4","9","9","1") = "9"
    & skf18("2","4","10","4","9","10","1") = "9"
    & skf18("2","4","10","4","10","1","1") = "9"
    & skf18("2","4","10","4","10","2","1") = "9"
    & skf18("2","4","10","4","10","3","1") = "9"
    & skf18("2","4","10","4","10","4","1") = "9"
    & skf18("2","4","10","4","10","5","1") = "9"
    & skf18("2","4","10","4","10","6","1") = "9"
    & skf18("2","4","10","4","10","7","1") = "9"
    & skf18("2","4","10","4","10","8","1") = "9"
    & skf18("2","4","10","4","10","9","1") = "9"
    & skf18("2","4","10","4","10","10","1") = "9"
    & skf18("2","4","10","5","1","1","1") = "9"
    & skf18("2","4","10","5","1","2","1") = "9"
    & skf18("2","4","10","5","1","3","1") = "9"
    & skf18("2","4","10","5","1","4","1") = "9"
    & skf18("2","4","10","5","1","5","1") = "9"
    & skf18("2","4","10","5","1","6","1") = "9"
    & skf18("2","4","10","5","1","7","1") = "9"
    & skf18("2","4","10","5","1","8","1") = "9"
    & skf18("2","4","10","5","1","9","1") = "9"
    & skf18("2","4","10","5","1","10","1") = "9"
    & skf18("2","4","10","5","2","1","1") = "9"
    & skf18("2","4","10","5","2","2","1") = "9"
    & skf18("2","4","10","5","2","3","1") = "9"
    & skf18("2","4","10","5","2","4","1") = "9"
    & skf18("2","4","10","5","2","5","1") = "9"
    & skf18("2","4","10","5","2","6","1") = "9"
    & skf18("2","4","10","5","2","7","1") = "9"
    & skf18("2","4","10","5","2","8","1") = "9"
    & skf18("2","4","10","5","2","9","1") = "9"
    & skf18("2","4","10","5","2","10","1") = "9"
    & skf18("2","4","10","5","3","1","1") = "9"
    & skf18("2","4","10","5","3","2","1") = "9"
    & skf18("2","4","10","5","3","3","1") = "9"
    & skf18("2","4","10","5","3","4","1") = "9"
    & skf18("2","4","10","5","3","5","1") = "9"
    & skf18("2","4","10","5","3","6","1") = "9"
    & skf18("2","4","10","5","3","7","1") = "9"
    & skf18("2","4","10","5","3","8","1") = "9"
    & skf18("2","4","10","5","3","9","1") = "9"
    & skf18("2","4","10","5","3","10","1") = "9"
    & skf18("2","4","10","5","4","1","1") = "9"
    & skf18("2","4","10","5","4","2","1") = "9"
    & skf18("2","4","10","5","4","3","1") = "9"
    & skf18("2","4","10","5","4","4","1") = "9"
    & skf18("2","4","10","5","4","5","1") = "9"
    & skf18("2","4","10","5","4","6","1") = "9"
    & skf18("2","4","10","5","4","7","1") = "9"
    & skf18("2","4","10","5","4","8","1") = "9"
    & skf18("2","4","10","5","4","9","1") = "9"
    & skf18("2","4","10","5","4","10","1") = "9"
    & skf18("2","4","10","5","5","1","1") = "9"
    & skf18("2","4","10","5","5","2","1") = "9"
    & skf18("2","4","10","5","5","3","1") = "9"
    & skf18("2","4","10","5","5","4","1") = "9"
    & skf18("2","4","10","5","5","5","1") = "9"
    & skf18("2","4","10","5","5","6","1") = "9"
    & skf18("2","4","10","5","5","7","1") = "9"
    & skf18("2","4","10","5","5","8","1") = "9"
    & skf18("2","4","10","5","5","9","1") = "9"
    & skf18("2","4","10","5","5","10","1") = "9"
    & skf18("2","4","10","5","6","1","1") = "9"
    & skf18("2","4","10","5","6","2","1") = "9"
    & skf18("2","4","10","5","6","3","1") = "9"
    & skf18("2","4","10","5","6","4","1") = "9"
    & skf18("2","4","10","5","6","5","1") = "9"
    & skf18("2","4","10","5","6","6","1") = "9"
    & skf18("2","4","10","5","6","7","1") = "9"
    & skf18("2","4","10","5","6","8","1") = "9"
    & skf18("2","4","10","5","6","9","1") = "9"
    & skf18("2","4","10","5","6","10","1") = "9"
    & skf18("2","4","10","5","7","1","1") = "9"
    & skf18("2","4","10","5","7","2","1") = "9"
    & skf18("2","4","10","5","7","3","1") = "9"
    & skf18("2","4","10","5","7","4","1") = "9"
    & skf18("2","4","10","5","7","5","1") = "9"
    & skf18("2","4","10","5","7","6","1") = "9"
    & skf18("2","4","10","5","7","7","1") = "9"
    & skf18("2","4","10","5","7","8","1") = "9"
    & skf18("2","4","10","5","7","9","1") = "9"
    & skf18("2","4","10","5","7","10","1") = "9"
    & skf18("2","4","10","5","8","1","1") = "9"
    & skf18("2","4","10","5","8","2","1") = "9"
    & skf18("2","4","10","5","8","3","1") = "9"
    & skf18("2","4","10","5","8","4","1") = "9"
    & skf18("2","4","10","5","8","5","1") = "9"
    & skf18("2","4","10","5","8","6","1") = "9"
    & skf18("2","4","10","5","8","7","1") = "9"
    & skf18("2","4","10","5","8","8","1") = "9"
    & skf18("2","4","10","5","8","9","1") = "9"
    & skf18("2","4","10","5","8","10","1") = "9"
    & skf18("2","4","10","5","9","1","1") = "9"
    & skf18("2","4","10","5","9","2","1") = "9"
    & skf18("2","4","10","5","9","3","1") = "9"
    & skf18("2","4","10","5","9","4","1") = "9"
    & skf18("2","4","10","5","9","5","1") = "9"
    & skf18("2","4","10","5","9","6","1") = "9"
    & skf18("2","4","10","5","9","7","1") = "9"
    & skf18("2","4","10","5","9","8","1") = "9"
    & skf18("2","4","10","5","9","9","1") = "9"
    & skf18("2","4","10","5","9","10","1") = "9"
    & skf18("2","4","10","5","10","1","1") = "9"
    & skf18("2","4","10","5","10","2","1") = "9"
    & skf18("2","4","10","5","10","3","1") = "9"
    & skf18("2","4","10","5","10","4","1") = "9"
    & skf18("2","4","10","5","10","5","1") = "9"
    & skf18("2","4","10","5","10","6","1") = "9"
    & skf18("2","4","10","5","10","7","1") = "9"
    & skf18("2","4","10","5","10","8","1") = "9"
    & skf18("2","4","10","5","10","9","1") = "9"
    & skf18("2","4","10","5","10","10","1") = "9"
    & skf18("2","4","10","6","1","1","1") = "9"
    & skf18("2","4","10","6","1","2","1") = "9"
    & skf18("2","4","10","6","1","3","1") = "9"
    & skf18("2","4","10","6","1","4","1") = "9"
    & skf18("2","4","10","6","1","5","1") = "9"
    & skf18("2","4","10","6","1","6","1") = "9"
    & skf18("2","4","10","6","1","7","1") = "9"
    & skf18("2","4","10","6","1","8","1") = "9"
    & skf18("2","4","10","6","1","9","1") = "9"
    & skf18("2","4","10","6","1","10","1") = "9"
    & skf18("2","4","10","6","2","1","1") = "9"
    & skf18("2","4","10","6","2","2","1") = "9"
    & skf18("2","4","10","6","2","3","1") = "9"
    & skf18("2","4","10","6","2","4","1") = "9"
    & skf18("2","4","10","6","2","5","1") = "9"
    & skf18("2","4","10","6","2","6","1") = "9"
    & skf18("2","4","10","6","2","7","1") = "9"
    & skf18("2","4","10","6","2","8","1") = "9"
    & skf18("2","4","10","6","2","9","1") = "9"
    & skf18("2","4","10","6","2","10","1") = "9"
    & skf18("2","4","10","6","3","1","1") = "9"
    & skf18("2","4","10","6","3","2","1") = "9"
    & skf18("2","4","10","6","3","3","1") = "9"
    & skf18("2","4","10","6","3","4","1") = "9"
    & skf18("2","4","10","6","3","5","1") = "9"
    & skf18("2","4","10","6","3","6","1") = "9"
    & skf18("2","4","10","6","3","7","1") = "9"
    & skf18("2","4","10","6","3","8","1") = "9"
    & skf18("2","4","10","6","3","9","1") = "9"
    & skf18("2","4","10","6","3","10","1") = "9"
    & skf18("2","4","10","6","4","1","1") = "9"
    & skf18("2","4","10","6","4","2","1") = "9"
    & skf18("2","4","10","6","4","3","1") = "9"
    & skf18("2","4","10","6","4","4","1") = "9"
    & skf18("2","4","10","6","4","5","1") = "9"
    & skf18("2","4","10","6","4","6","1") = "9"
    & skf18("2","4","10","6","4","7","1") = "9"
    & skf18("2","4","10","6","4","8","1") = "9"
    & skf18("2","4","10","6","4","9","1") = "9"
    & skf18("2","4","10","6","4","10","1") = "9"
    & skf18("2","4","10","6","5","1","1") = "9"
    & skf18("2","4","10","6","5","2","1") = "9"
    & skf18("2","4","10","6","5","3","1") = "9"
    & skf18("2","4","10","6","5","4","1") = "9"
    & skf18("2","4","10","6","5","5","1") = "9"
    & skf18("2","4","10","6","5","6","1") = "9"
    & skf18("2","4","10","6","5","7","1") = "9"
    & skf18("2","4","10","6","5","8","1") = "9"
    & skf18("2","4","10","6","5","9","1") = "9"
    & skf18("2","4","10","6","5","10","1") = "9"
    & skf18("2","4","10","6","6","1","1") = "9"
    & skf18("2","4","10","6","6","2","1") = "9"
    & skf18("2","4","10","6","6","3","1") = "9"
    & skf18("2","4","10","6","6","4","1") = "9"
    & skf18("2","4","10","6","6","5","1") = "9"
    & skf18("2","4","10","6","6","6","1") = "9"
    & skf18("2","4","10","6","6","7","1") = "9"
    & skf18("2","4","10","6","6","8","1") = "9"
    & skf18("2","4","10","6","6","9","1") = "9"
    & skf18("2","4","10","6","6","10","1") = "9"
    & skf18("2","4","10","6","7","1","1") = "9"
    & skf18("2","4","10","6","7","2","1") = "9"
    & skf18("2","4","10","6","7","3","1") = "9"
    & skf18("2","4","10","6","7","4","1") = "9"
    & skf18("2","4","10","6","7","5","1") = "9"
    & skf18("2","4","10","6","7","6","1") = "9"
    & skf18("2","4","10","6","7","7","1") = "9"
    & skf18("2","4","10","6","7","8","1") = "9"
    & skf18("2","4","10","6","7","9","1") = "9"
    & skf18("2","4","10","6","7","10","1") = "9"
    & skf18("2","4","10","6","8","1","1") = "9"
    & skf18("2","4","10","6","8","2","1") = "9"
    & skf18("2","4","10","6","8","3","1") = "9"
    & skf18("2","4","10","6","8","4","1") = "9"
    & skf18("2","4","10","6","8","5","1") = "9"
    & skf18("2","4","10","6","8","6","1") = "9"
    & skf18("2","4","10","6","8","7","1") = "9"
    & skf18("2","4","10","6","8","8","1") = "9"
    & skf18("2","4","10","6","8","9","1") = "9"
    & skf18("2","4","10","6","8","10","1") = "9"
    & skf18("2","4","10","6","9","1","1") = "9"
    & skf18("2","4","10","6","9","2","1") = "9"
    & skf18("2","4","10","6","9","3","1") = "9"
    & skf18("2","4","10","6","9","4","1") = "9"
    & skf18("2","4","10","6","9","5","1") = "9"
    & skf18("2","4","10","6","9","6","1") = "9"
    & skf18("2","4","10","6","9","7","1") = "9"
    & skf18("2","4","10","6","9","8","1") = "9"
    & skf18("2","4","10","6","9","9","1") = "9"
    & skf18("2","4","10","6","9","10","1") = "9"
    & skf18("2","4","10","6","10","1","1") = "9"
    & skf18("2","4","10","6","10","2","1") = "9"
    & skf18("2","4","10","6","10","3","1") = "9"
    & skf18("2","4","10","6","10","4","1") = "9"
    & skf18("2","4","10","6","10","5","1") = "9"
    & skf18("2","4","10","6","10","6","1") = "9"
    & skf18("2","4","10","6","10","7","1") = "9"
    & skf18("2","4","10","6","10","8","1") = "9"
    & skf18("2","4","10","6","10","9","1") = "9"
    & skf18("2","4","10","6","10","10","1") = "9"
    & skf18("2","4","10","7","1","1","1") = "9"
    & skf18("2","4","10","7","1","2","1") = "9"
    & skf18("2","4","10","7","1","3","1") = "9"
    & skf18("2","4","10","7","1","4","1") = "9"
    & skf18("2","4","10","7","1","5","1") = "9"
    & skf18("2","4","10","7","1","6","1") = "9"
    & skf18("2","4","10","7","1","7","1") = "9"
    & skf18("2","4","10","7","1","8","1") = "9"
    & skf18("2","4","10","7","1","9","1") = "9"
    & skf18("2","4","10","7","1","10","1") = "9"
    & skf18("2","4","10","7","2","1","1") = "9"
    & skf18("2","4","10","7","2","2","1") = "9"
    & skf18("2","4","10","7","2","3","1") = "9"
    & skf18("2","4","10","7","2","4","1") = "9"
    & skf18("2","4","10","7","2","5","1") = "9"
    & skf18("2","4","10","7","2","6","1") = "9"
    & skf18("2","4","10","7","2","7","1") = "9"
    & skf18("2","4","10","7","2","8","1") = "9"
    & skf18("2","4","10","7","2","9","1") = "9"
    & skf18("2","4","10","7","2","10","1") = "9"
    & skf18("2","4","10","7","3","1","1") = "9"
    & skf18("2","4","10","7","3","2","1") = "9"
    & skf18("2","4","10","7","3","3","1") = "9"
    & skf18("2","4","10","7","3","4","1") = "9"
    & skf18("2","4","10","7","3","5","1") = "9"
    & skf18("2","4","10","7","3","6","1") = "9"
    & skf18("2","4","10","7","3","7","1") = "9"
    & skf18("2","4","10","7","3","8","1") = "9"
    & skf18("2","4","10","7","3","9","1") = "9"
    & skf18("2","4","10","7","3","10","1") = "9"
    & skf18("2","4","10","7","4","1","1") = "9"
    & skf18("2","4","10","7","4","2","1") = "9"
    & skf18("2","4","10","7","4","3","1") = "9"
    & skf18("2","4","10","7","4","4","1") = "9"
    & skf18("2","4","10","7","4","5","1") = "9"
    & skf18("2","4","10","7","4","6","1") = "9"
    & skf18("2","4","10","7","4","7","1") = "9"
    & skf18("2","4","10","7","4","8","1") = "9"
    & skf18("2","4","10","7","4","9","1") = "9"
    & skf18("2","4","10","7","4","10","1") = "9"
    & skf18("2","4","10","7","5","1","1") = "9"
    & skf18("2","4","10","7","5","2","1") = "9"
    & skf18("2","4","10","7","5","3","1") = "9"
    & skf18("2","4","10","7","5","4","1") = "9"
    & skf18("2","4","10","7","5","5","1") = "9"
    & skf18("2","4","10","7","5","6","1") = "9"
    & skf18("2","4","10","7","5","7","1") = "9"
    & skf18("2","4","10","7","5","8","1") = "9"
    & skf18("2","4","10","7","5","9","1") = "9"
    & skf18("2","4","10","7","5","10","1") = "9"
    & skf18("2","4","10","7","6","1","1") = "9"
    & skf18("2","4","10","7","6","2","1") = "9"
    & skf18("2","4","10","7","6","3","1") = "9"
    & skf18("2","4","10","7","6","4","1") = "9"
    & skf18("2","4","10","7","6","5","1") = "9"
    & skf18("2","4","10","7","6","6","1") = "9"
    & skf18("2","4","10","7","6","7","1") = "9"
    & skf18("2","4","10","7","6","8","1") = "9"
    & skf18("2","4","10","7","6","9","1") = "9"
    & skf18("2","4","10","7","6","10","1") = "9"
    & skf18("2","4","10","7","7","1","1") = "9"
    & skf18("2","4","10","7","7","2","1") = "9"
    & skf18("2","4","10","7","7","3","1") = "9"
    & skf18("2","4","10","7","7","4","1") = "9"
    & skf18("2","4","10","7","7","5","1") = "9"
    & skf18("2","4","10","7","7","6","1") = "9"
    & skf18("2","4","10","7","7","7","1") = "9"
    & skf18("2","4","10","7","7","8","1") = "9"
    & skf18("2","4","10","7","7","9","1") = "9"
    & skf18("2","4","10","7","7","10","1") = "9"
    & skf18("2","4","10","7","8","1","1") = "9"
    & skf18("2","4","10","7","8","2","1") = "9"
    & skf18("2","4","10","7","8","3","1") = "9"
    & skf18("2","4","10","7","8","4","1") = "9"
    & skf18("2","4","10","7","8","5","1") = "9"
    & skf18("2","4","10","7","8","6","1") = "9"
    & skf18("2","4","10","7","8","7","1") = "9"
    & skf18("2","4","10","7","8","8","1") = "9"
    & skf18("2","4","10","7","8","9","1") = "9"
    & skf18("2","4","10","7","8","10","1") = "9"
    & skf18("2","4","10","7","9","1","1") = "9"
    & skf18("2","4","10","7","9","2","1") = "9"
    & skf18("2","4","10","7","9","3","1") = "9"
    & skf18("2","4","10","7","9","4","1") = "9"
    & skf18("2","4","10","7","9","5","1") = "9"
    & skf18("2","4","10","7","9","6","1") = "9"
    & skf18("2","4","10","7","9","7","1") = "9"
    & skf18("2","4","10","7","9","8","1") = "9"
    & skf18("2","4","10","7","9","9","1") = "9"
    & skf18("2","4","10","7","9","10","1") = "9"
    & skf18("2","4","10","7","10","1","1") = "9"
    & skf18("2","4","10","7","10","2","1") = "9"
    & skf18("2","4","10","7","10","3","1") = "9"
    & skf18("2","4","10","7","10","4","1") = "9"
    & skf18("2","4","10","7","10","5","1") = "9"
    & skf18("2","4","10","7","10","6","1") = "9"
    & skf18("2","4","10","7","10","7","1") = "9"
    & skf18("2","4","10","7","10","8","1") = "9"
    & skf18("2","4","10","7","10","9","1") = "9"
    & skf18("2","4","10","7","10","10","1") = "9"
    & skf18("2","4","10","8","1","1","1") = "9"
    & skf18("2","4","10","8","1","2","1") = "9"
    & skf18("2","4","10","8","1","3","1") = "9"
    & skf18("2","4","10","8","1","4","1") = "9"
    & skf18("2","4","10","8","1","5","1") = "9"
    & skf18("2","4","10","8","1","6","1") = "9"
    & skf18("2","4","10","8","1","7","1") = "9"
    & skf18("2","4","10","8","1","8","1") = "9"
    & skf18("2","4","10","8","1","9","1") = "9"
    & skf18("2","4","10","8","1","10","1") = "9"
    & skf18("2","4","10","8","2","1","1") = "9"
    & skf18("2","4","10","8","2","2","1") = "9"
    & skf18("2","4","10","8","2","3","1") = "9"
    & skf18("2","4","10","8","2","4","1") = "9"
    & skf18("2","4","10","8","2","5","1") = "9"
    & skf18("2","4","10","8","2","6","1") = "9"
    & skf18("2","4","10","8","2","7","1") = "9"
    & skf18("2","4","10","8","2","8","1") = "9"
    & skf18("2","4","10","8","2","9","1") = "9"
    & skf18("2","4","10","8","2","10","1") = "9"
    & skf18("2","4","10","8","3","1","1") = "9"
    & skf18("2","4","10","8","3","2","1") = "9"
    & skf18("2","4","10","8","3","3","1") = "9"
    & skf18("2","4","10","8","3","4","1") = "9"
    & skf18("2","4","10","8","3","5","1") = "9"
    & skf18("2","4","10","8","3","6","1") = "9"
    & skf18("2","4","10","8","3","7","1") = "9"
    & skf18("2","4","10","8","3","8","1") = "9"
    & skf18("2","4","10","8","3","9","1") = "9"
    & skf18("2","4","10","8","3","10","1") = "9"
    & skf18("2","4","10","8","4","1","1") = "9"
    & skf18("2","4","10","8","4","2","1") = "9"
    & skf18("2","4","10","8","4","3","1") = "9"
    & skf18("2","4","10","8","4","4","1") = "9"
    & skf18("2","4","10","8","4","5","1") = "9"
    & skf18("2","4","10","8","4","6","1") = "9"
    & skf18("2","4","10","8","4","7","1") = "9"
    & skf18("2","4","10","8","4","8","1") = "9"
    & skf18("2","4","10","8","4","9","1") = "9"
    & skf18("2","4","10","8","4","10","1") = "9"
    & skf18("2","4","10","8","5","1","1") = "9"
    & skf18("2","4","10","8","5","2","1") = "9"
    & skf18("2","4","10","8","5","3","1") = "9"
    & skf18("2","4","10","8","5","4","1") = "9"
    & skf18("2","4","10","8","5","5","1") = "9"
    & skf18("2","4","10","8","5","6","1") = "9"
    & skf18("2","4","10","8","5","7","1") = "9"
    & skf18("2","4","10","8","5","8","1") = "9"
    & skf18("2","4","10","8","5","9","1") = "9"
    & skf18("2","4","10","8","5","10","1") = "9"
    & skf18("2","4","10","8","6","1","1") = "9"
    & skf18("2","4","10","8","6","2","1") = "9"
    & skf18("2","4","10","8","6","3","1") = "9"
    & skf18("2","4","10","8","6","4","1") = "9"
    & skf18("2","4","10","8","6","5","1") = "9"
    & skf18("2","4","10","8","6","6","1") = "9"
    & skf18("2","4","10","8","6","7","1") = "9"
    & skf18("2","4","10","8","6","8","1") = "9"
    & skf18("2","4","10","8","6","9","1") = "9"
    & skf18("2","4","10","8","6","10","1") = "9"
    & skf18("2","4","10","8","7","1","1") = "9"
    & skf18("2","4","10","8","7","2","1") = "9"
    & skf18("2","4","10","8","7","3","1") = "9"
    & skf18("2","4","10","8","7","4","1") = "9"
    & skf18("2","4","10","8","7","5","1") = "9"
    & skf18("2","4","10","8","7","6","1") = "9"
    & skf18("2","4","10","8","7","7","1") = "9"
    & skf18("2","4","10","8","7","8","1") = "9"
    & skf18("2","4","10","8","7","9","1") = "9"
    & skf18("2","4","10","8","7","10","1") = "9"
    & skf18("2","4","10","8","8","1","1") = "9"
    & skf18("2","4","10","8","8","2","1") = "9"
    & skf18("2","4","10","8","8","3","1") = "9"
    & skf18("2","4","10","8","8","4","1") = "9"
    & skf18("2","4","10","8","8","5","1") = "9"
    & skf18("2","4","10","8","8","6","1") = "9"
    & skf18("2","4","10","8","8","7","1") = "9"
    & skf18("2","4","10","8","8","8","1") = "9"
    & skf18("2","4","10","8","8","9","1") = "9"
    & skf18("2","4","10","8","8","10","1") = "9"
    & skf18("2","4","10","8","9","1","1") = "9"
    & skf18("2","4","10","8","9","2","1") = "9"
    & skf18("2","4","10","8","9","3","1") = "9"
    & skf18("2","4","10","8","9","4","1") = "9"
    & skf18("2","4","10","8","9","5","1") = "9"
    & skf18("2","4","10","8","9","6","1") = "9"
    & skf18("2","4","10","8","9","7","1") = "9"
    & skf18("2","4","10","8","9","8","1") = "9"
    & skf18("2","4","10","8","9","9","1") = "9"
    & skf18("2","4","10","8","9","10","1") = "9"
    & skf18("2","4","10","8","10","1","1") = "9"
    & skf18("2","4","10","8","10","2","1") = "9"
    & skf18("2","4","10","8","10","3","1") = "9"
    & skf18("2","4","10","8","10","4","1") = "9"
    & skf18("2","4","10","8","10","5","1") = "9"
    & skf18("2","4","10","8","10","6","1") = "9"
    & skf18("2","4","10","8","10","7","1") = "9"
    & skf18("2","4","10","8","10","8","1") = "9"
    & skf18("2","4","10","8","10","9","1") = "9"
    & skf18("2","4","10","8","10","10","1") = "9"
    & skf18("2","4","10","9","1","1","1") = "9"
    & skf18("2","4","10","9","1","2","1") = "9"
    & skf18("2","4","10","9","1","3","1") = "9"
    & skf18("2","4","10","9","1","4","1") = "9"
    & skf18("2","4","10","9","1","5","1") = "9"
    & skf18("2","4","10","9","1","6","1") = "9"
    & skf18("2","4","10","9","1","7","1") = "9"
    & skf18("2","4","10","9","1","8","1") = "9"
    & skf18("2","4","10","9","1","9","1") = "9"
    & skf18("2","4","10","9","1","10","1") = "9"
    & skf18("2","4","10","9","2","1","1") = "9"
    & skf18("2","4","10","9","2","2","1") = "9"
    & skf18("2","4","10","9","2","3","1") = "9"
    & skf18("2","4","10","9","2","4","1") = "9"
    & skf18("2","4","10","9","2","5","1") = "9"
    & skf18("2","4","10","9","2","6","1") = "9"
    & skf18("2","4","10","9","2","7","1") = "9"
    & skf18("2","4","10","9","2","8","1") = "9"
    & skf18("2","4","10","9","2","9","1") = "9"
    & skf18("2","4","10","9","2","10","1") = "9"
    & skf18("2","4","10","9","3","1","1") = "9"
    & skf18("2","4","10","9","3","2","1") = "9"
    & skf18("2","4","10","9","3","3","1") = "9"
    & skf18("2","4","10","9","3","4","1") = "9"
    & skf18("2","4","10","9","3","5","1") = "9"
    & skf18("2","4","10","9","3","6","1") = "9"
    & skf18("2","4","10","9","3","7","1") = "9"
    & skf18("2","4","10","9","3","8","1") = "9"
    & skf18("2","4","10","9","3","9","1") = "9"
    & skf18("2","4","10","9","3","10","1") = "9"
    & skf18("2","4","10","9","4","1","1") = "9"
    & skf18("2","4","10","9","4","2","1") = "9"
    & skf18("2","4","10","9","4","3","1") = "9"
    & skf18("2","4","10","9","4","4","1") = "9"
    & skf18("2","4","10","9","4","5","1") = "9"
    & skf18("2","4","10","9","4","6","1") = "9"
    & skf18("2","4","10","9","4","7","1") = "9"
    & skf18("2","4","10","9","4","8","1") = "9"
    & skf18("2","4","10","9","4","9","1") = "9"
    & skf18("2","4","10","9","4","10","1") = "9"
    & skf18("2","4","10","9","5","1","1") = "9"
    & skf18("2","4","10","9","5","2","1") = "9"
    & skf18("2","4","10","9","5","3","1") = "9"
    & skf18("2","4","10","9","5","4","1") = "9"
    & skf18("2","4","10","9","5","5","1") = "9"
    & skf18("2","4","10","9","5","6","1") = "9"
    & skf18("2","4","10","9","5","7","1") = "9"
    & skf18("2","4","10","9","5","8","1") = "9"
    & skf18("2","4","10","9","5","9","1") = "9"
    & skf18("2","4","10","9","5","10","1") = "9"
    & skf18("2","4","10","9","6","1","1") = "9"
    & skf18("2","4","10","9","6","2","1") = "9"
    & skf18("2","4","10","9","6","3","1") = "9"
    & skf18("2","4","10","9","6","4","1") = "9"
    & skf18("2","4","10","9","6","5","1") = "9"
    & skf18("2","4","10","9","6","6","1") = "9"
    & skf18("2","4","10","9","6","7","1") = "9"
    & skf18("2","4","10","9","6","8","1") = "9"
    & skf18("2","4","10","9","6","9","1") = "9"
    & skf18("2","4","10","9","6","10","1") = "9"
    & skf18("2","4","10","9","7","1","1") = "9"
    & skf18("2","4","10","9","7","2","1") = "9"
    & skf18("2","4","10","9","7","3","1") = "9"
    & skf18("2","4","10","9","7","4","1") = "9"
    & skf18("2","4","10","9","7","5","1") = "9"
    & skf18("2","4","10","9","7","6","1") = "9"
    & skf18("2","4","10","9","7","7","1") = "9"
    & skf18("2","4","10","9","7","8","1") = "9"
    & skf18("2","4","10","9","7","9","1") = "9"
    & skf18("2","4","10","9","7","10","1") = "9"
    & skf18("2","4","10","9","8","1","1") = "9"
    & skf18("2","4","10","9","8","2","1") = "9"
    & skf18("2","4","10","9","8","3","1") = "9"
    & skf18("2","4","10","9","8","4","1") = "9"
    & skf18("2","4","10","9","8","5","1") = "9"
    & skf18("2","4","10","9","8","6","1") = "9"
    & skf18("2","4","10","9","8","7","1") = "9"
    & skf18("2","4","10","9","8","8","1") = "9"
    & skf18("2","4","10","9","8","9","1") = "9"
    & skf18("2","4","10","9","8","10","1") = "9"
    & skf18("2","4","10","9","9","1","1") = "9"
    & skf18("2","4","10","9","9","2","1") = "9"
    & skf18("2","4","10","9","9","3","1") = "9"
    & skf18("2","4","10","9","9","4","1") = "9"
    & skf18("2","4","10","9","9","5","1") = "9"
    & skf18("2","4","10","9","9","6","1") = "9"
    & skf18("2","4","10","9","9","7","1") = "9"
    & skf18("2","4","10","9","9","8","1") = "9"
    & skf18("2","4","10","9","9","9","1") = "9"
    & skf18("2","4","10","9","9","10","1") = "9"
    & skf18("2","4","10","9","10","1","1") = "9"
    & skf18("2","4","10","9","10","2","1") = "9"
    & skf18("2","4","10","9","10","3","1") = "9"
    & skf18("2","4","10","9","10","4","1") = "9"
    & skf18("2","4","10","9","10","5","1") = "9"
    & skf18("2","4","10","9","10","6","1") = "9"
    & skf18("2","4","10","9","10","7","1") = "9"
    & skf18("2","4","10","9","10","8","1") = "9"
    & skf18("2","4","10","9","10","9","1") = "9"
    & skf18("2","4","10","9","10","10","1") = "9"
    & skf18("2","4","10","10","1","1","1") = "9"
    & skf18("2","4","10","10","1","2","1") = "9"
    & skf18("2","4","10","10","1","3","1") = "9"
    & skf18("2","4","10","10","1","4","1") = "9"
    & skf18("2","4","10","10","1","5","1") = "9"
    & skf18("2","4","10","10","1","6","1") = "9"
    & skf18("2","4","10","10","1","7","1") = "9"
    & skf18("2","4","10","10","1","8","1") = "9"
    & skf18("2","4","10","10","1","9","1") = "9"
    & skf18("2","4","10","10","1","10","1") = "9"
    & skf18("2","4","10","10","2","1","1") = "9"
    & skf18("2","4","10","10","2","2","1") = "9"
    & skf18("2","4","10","10","2","3","1") = "9"
    & skf18("2","4","10","10","2","4","1") = "9"
    & skf18("2","4","10","10","2","5","1") = "9"
    & skf18("2","4","10","10","2","6","1") = "9"
    & skf18("2","4","10","10","2","7","1") = "9"
    & skf18("2","4","10","10","2","8","1") = "9"
    & skf18("2","4","10","10","2","9","1") = "9"
    & skf18("2","4","10","10","2","10","1") = "9"
    & skf18("2","4","10","10","3","1","1") = "9"
    & skf18("2","4","10","10","3","2","1") = "9"
    & skf18("2","4","10","10","3","3","1") = "9"
    & skf18("2","4","10","10","3","4","1") = "9"
    & skf18("2","4","10","10","3","5","1") = "9"
    & skf18("2","4","10","10","3","6","1") = "9"
    & skf18("2","4","10","10","3","7","1") = "9"
    & skf18("2","4","10","10","3","8","1") = "9"
    & skf18("2","4","10","10","3","9","1") = "9"
    & skf18("2","4","10","10","3","10","1") = "9"
    & skf18("2","4","10","10","4","1","1") = "9"
    & skf18("2","4","10","10","4","2","1") = "9"
    & skf18("2","4","10","10","4","3","1") = "9"
    & skf18("2","4","10","10","4","4","1") = "9"
    & skf18("2","4","10","10","4","5","1") = "9"
    & skf18("2","4","10","10","4","6","1") = "9"
    & skf18("2","4","10","10","4","7","1") = "9"
    & skf18("2","4","10","10","4","8","1") = "9"
    & skf18("2","4","10","10","4","9","1") = "9"
    & skf18("2","4","10","10","4","10","1") = "9"
    & skf18("2","4","10","10","5","1","1") = "9"
    & skf18("2","4","10","10","5","2","1") = "9"
    & skf18("2","4","10","10","5","3","1") = "9"
    & skf18("2","4","10","10","5","4","1") = "9"
    & skf18("2","4","10","10","5","5","1") = "9"
    & skf18("2","4","10","10","5","6","1") = "9"
    & skf18("2","4","10","10","5","7","1") = "9"
    & skf18("2","4","10","10","5","8","1") = "9"
    & skf18("2","4","10","10","5","9","1") = "9"
    & skf18("2","4","10","10","5","10","1") = "9"
    & skf18("2","4","10","10","6","1","1") = "9"
    & skf18("2","4","10","10","6","2","1") = "9"
    & skf18("2","4","10","10","6","3","1") = "9"
    & skf18("2","4","10","10","6","4","1") = "9"
    & skf18("2","4","10","10","6","5","1") = "9"
    & skf18("2","4","10","10","6","6","1") = "9"
    & skf18("2","4","10","10","6","7","1") = "9"
    & skf18("2","4","10","10","6","8","1") = "9"
    & skf18("2","4","10","10","6","9","1") = "9"
    & skf18("2","4","10","10","6","10","1") = "9"
    & skf18("2","4","10","10","7","1","1") = "9"
    & skf18("2","4","10","10","7","2","1") = "9"
    & skf18("2","4","10","10","7","3","1") = "9"
    & skf18("2","4","10","10","7","4","1") = "9"
    & skf18("2","4","10","10","7","5","1") = "9"
    & skf18("2","4","10","10","7","6","1") = "9"
    & skf18("2","4","10","10","7","7","1") = "9"
    & skf18("2","4","10","10","7","8","1") = "9"
    & skf18("2","4","10","10","7","9","1") = "9"
    & skf18("2","4","10","10","7","10","1") = "9"
    & skf18("2","4","10","10","8","1","1") = "9"
    & skf18("2","4","10","10","8","2","1") = "9"
    & skf18("2","4","10","10","8","3","1") = "9"
    & skf18("2","4","10","10","8","4","1") = "9"
    & skf18("2","4","10","10","8","5","1") = "9"
    & skf18("2","4","10","10","8","6","1") = "9"
    & skf18("2","4","10","10","8","7","1") = "9"
    & skf18("2","4","10","10","8","8","1") = "9"
    & skf18("2","4","10","10","8","9","1") = "9"
    & skf18("2","4","10","10","8","10","1") = "9"
    & skf18("2","4","10","10","9","1","1") = "9"
    & skf18("2","4","10","10","9","2","1") = "9"
    & skf18("2","4","10","10","9","3","1") = "9"
    & skf18("2","4","10","10","9","4","1") = "9"
    & skf18("2","4","10","10","9","5","1") = "9"
    & skf18("2","4","10","10","9","6","1") = "9"
    & skf18("2","4","10","10","9","7","1") = "9"
    & skf18("2","4","10","10","9","8","1") = "9"
    & skf18("2","4","10","10","9","9","1") = "9"
    & skf18("2","4","10","10","9","10","1") = "9"
    & skf18("2","4","10","10","10","1","1") = "9"
    & skf18("2","4","10","10","10","2","1") = "9"
    & skf18("2","4","10","10","10","3","1") = "9"
    & skf18("2","4","10","10","10","4","1") = "9"
    & skf18("2","4","10","10","10","5","1") = "9"
    & skf18("2","4","10","10","10","6","1") = "9"
    & skf18("2","4","10","10","10","7","1") = "9"
    & skf18("2","4","10","10","10","8","1") = "9"
    & skf18("2","4","10","10","10","9","1") = "9"
    & skf18("2","4","10","10","10","10","1") = "9"
    & skf18("2","5","1","1","1","1","1") = "4"
    & skf18("2","5","1","1","1","2","1") = "4"
    & skf18("2","5","1","1","1","3","1") = "4"
    & skf18("2","5","1","1","1","4","1") = "4"
    & skf18("2","5","1","1","1","5","1") = "4"
    & skf18("2","5","1","1","1","6","1") = "5"
    & skf18("2","5","1","1","1","7","1") = "6"
    & skf18("2","5","1","1","1","8","1") = "7"
    & skf18("2","5","1","1","1","9","1") = "8"
    & skf18("2","5","1","1","1","10","1") = "9"
    & skf18("2","5","1","1","2","1","1") = "4"
    & skf18("2","5","1","1","2","2","1") = "4"
    & skf18("2","5","1","1","2","3","1") = "4"
    & skf18("2","5","1","1","2","4","1") = "4"
    & skf18("2","5","1","1","2","5","1") = "4"
    & skf18("2","5","1","1","2","6","1") = "5"
    & skf18("2","5","1","1","2","7","1") = "6"
    & skf18("2","5","1","1","2","8","1") = "7"
    & skf18("2","5","1","1","2","9","1") = "8"
    & skf18("2","5","1","1","2","10","1") = "9"
    & skf18("2","5","1","1","3","1","1") = "4"
    & skf18("2","5","1","1","3","2","1") = "4"
    & skf18("2","5","1","1","3","3","1") = "4"
    & skf18("2","5","1","1","3","4","1") = "4"
    & skf18("2","5","1","1","3","5","1") = "4"
    & skf18("2","5","1","1","3","6","1") = "5"
    & skf18("2","5","1","1","3","7","1") = "6"
    & skf18("2","5","1","1","3","8","1") = "7"
    & skf18("2","5","1","1","3","9","1") = "8"
    & skf18("2","5","1","1","3","10","1") = "9"
    & skf18("2","5","1","1","4","1","1") = "4"
    & skf18("2","5","1","1","4","2","1") = "4"
    & skf18("2","5","1","1","4","3","1") = "4"
    & skf18("2","5","1","1","4","4","1") = "4"
    & skf18("2","5","1","1","4","5","1") = "4"
    & skf18("2","5","1","1","4","6","1") = "5"
    & skf18("2","5","1","1","4","7","1") = "6"
    & skf18("2","5","1","1","4","8","1") = "7"
    & skf18("2","5","1","1","4","9","1") = "8"
    & skf18("2","5","1","1","4","10","1") = "9"
    & skf18("2","5","1","1","5","1","1") = "4"
    & skf18("2","5","1","1","5","2","1") = "4"
    & skf18("2","5","1","1","5","3","1") = "4"
    & skf18("2","5","1","1","5","4","1") = "4"
    & skf18("2","5","1","1","5","5","1") = "4"
    & skf18("2","5","1","1","5","6","1") = "5"
    & skf18("2","5","1","1","5","7","1") = "6"
    & skf18("2","5","1","1","5","8","1") = "7"
    & skf18("2","5","1","1","5","9","1") = "8"
    & skf18("2","5","1","1","5","10","1") = "9"
    & skf18("2","5","1","1","6","1","1") = "5"
    & skf18("2","5","1","1","6","2","1") = "5"
    & skf18("2","5","1","1","6","3","1") = "5"
    & skf18("2","5","1","1","6","4","1") = "5"
    & skf18("2","5","1","1","6","5","1") = "5"
    & skf18("2","5","1","1","6","6","1") = "5"
    & skf18("2","5","1","1","6","7","1") = "6"
    & skf18("2","5","1","1","6","8","1") = "7"
    & skf18("2","5","1","1","6","9","1") = "8"
    & skf18("2","5","1","1","6","10","1") = "9"
    & skf18("2","5","1","1","7","1","1") = "6"
    & skf18("2","5","1","1","7","2","1") = "6"
    & skf18("2","5","1","1","7","3","1") = "6"
    & skf18("2","5","1","1","7","4","1") = "6"
    & skf18("2","5","1","1","7","5","1") = "6"
    & skf18("2","5","1","1","7","6","1") = "6"
    & skf18("2","5","1","1","7","7","1") = "6"
    & skf18("2","5","1","1","7","8","1") = "7"
    & skf18("2","5","1","1","7","9","1") = "8"
    & skf18("2","5","1","1","7","10","1") = "9"
    & skf18("2","5","1","1","8","1","1") = "7"
    & skf18("2","5","1","1","8","2","1") = "7"
    & skf18("2","5","1","1","8","3","1") = "7"
    & skf18("2","5","1","1","8","4","1") = "7"
    & skf18("2","5","1","1","8","5","1") = "7"
    & skf18("2","5","1","1","8","6","1") = "7"
    & skf18("2","5","1","1","8","7","1") = "7"
    & skf18("2","5","1","1","8","8","1") = "7"
    & skf18("2","5","1","1","8","9","1") = "8"
    & skf18("2","5","1","1","8","10","1") = "9"
    & skf18("2","5","1","1","9","1","1") = "8"
    & skf18("2","5","1","1","9","2","1") = "8"
    & skf18("2","5","1","1","9","3","1") = "8"
    & skf18("2","5","1","1","9","4","1") = "8"
    & skf18("2","5","1","1","9","5","1") = "8"
    & skf18("2","5","1","1","9","6","1") = "8"
    & skf18("2","5","1","1","9","7","1") = "8"
    & skf18("2","5","1","1","9","8","1") = "8"
    & skf18("2","5","1","1","9","9","1") = "8"
    & skf18("2","5","1","1","9","10","1") = "9"
    & skf18("2","5","1","1","10","1","1") = "9"
    & skf18("2","5","1","1","10","2","1") = "9"
    & skf18("2","5","1","1","10","3","1") = "9"
    & skf18("2","5","1","1","10","4","1") = "9"
    & skf18("2","5","1","1","10","5","1") = "9"
    & skf18("2","5","1","1","10","6","1") = "9"
    & skf18("2","5","1","1","10","7","1") = "9"
    & skf18("2","5","1","1","10","8","1") = "9"
    & skf18("2","5","1","1","10","9","1") = "9"
    & skf18("2","5","1","1","10","10","1") = "9"
    & skf18("2","5","1","2","1","1","1") = "4"
    & skf18("2","5","1","2","1","2","1") = "4"
    & skf18("2","5","1","2","1","3","1") = "4"
    & skf18("2","5","1","2","1","4","1") = "4"
    & skf18("2","5","1","2","1","5","1") = "4"
    & skf18("2","5","1","2","1","6","1") = "5"
    & skf18("2","5","1","2","1","7","1") = "6"
    & skf18("2","5","1","2","1","8","1") = "7"
    & skf18("2","5","1","2","1","9","1") = "8"
    & skf18("2","5","1","2","1","10","1") = "9"
    & skf18("2","5","1","2","2","1","1") = "4"
    & skf18("2","5","1","2","2","2","1") = "4"
    & skf18("2","5","1","2","2","3","1") = "4"
    & skf18("2","5","1","2","2","4","1") = "4"
    & skf18("2","5","1","2","2","5","1") = "4"
    & skf18("2","5","1","2","2","6","1") = "5"
    & skf18("2","5","1","2","2","7","1") = "6"
    & skf18("2","5","1","2","2","8","1") = "7"
    & skf18("2","5","1","2","2","9","1") = "8"
    & skf18("2","5","1","2","2","10","1") = "9"
    & skf18("2","5","1","2","3","1","1") = "4"
    & skf18("2","5","1","2","3","2","1") = "4"
    & skf18("2","5","1","2","3","3","1") = "4"
    & skf18("2","5","1","2","3","4","1") = "4"
    & skf18("2","5","1","2","3","5","1") = "4"
    & skf18("2","5","1","2","3","6","1") = "5"
    & skf18("2","5","1","2","3","7","1") = "6"
    & skf18("2","5","1","2","3","8","1") = "7"
    & skf18("2","5","1","2","3","9","1") = "8"
    & skf18("2","5","1","2","3","10","1") = "9"
    & skf18("2","5","1","2","4","1","1") = "4"
    & skf18("2","5","1","2","4","2","1") = "4"
    & skf18("2","5","1","2","4","3","1") = "4"
    & skf18("2","5","1","2","4","4","1") = "4"
    & skf18("2","5","1","2","4","5","1") = "4"
    & skf18("2","5","1","2","4","6","1") = "5"
    & skf18("2","5","1","2","4","7","1") = "6"
    & skf18("2","5","1","2","4","8","1") = "7"
    & skf18("2","5","1","2","4","9","1") = "8"
    & skf18("2","5","1","2","4","10","1") = "9"
    & skf18("2","5","1","2","5","1","1") = "4"
    & skf18("2","5","1","2","5","2","1") = "4"
    & skf18("2","5","1","2","5","3","1") = "4"
    & skf18("2","5","1","2","5","4","1") = "4"
    & skf18("2","5","1","2","5","5","1") = "4"
    & skf18("2","5","1","2","5","6","1") = "5"
    & skf18("2","5","1","2","5","7","1") = "6"
    & skf18("2","5","1","2","5","8","1") = "7"
    & skf18("2","5","1","2","5","9","1") = "8"
    & skf18("2","5","1","2","5","10","1") = "9"
    & skf18("2","5","1","2","6","1","1") = "5"
    & skf18("2","5","1","2","6","2","1") = "5"
    & skf18("2","5","1","2","6","3","1") = "5"
    & skf18("2","5","1","2","6","4","1") = "5"
    & skf18("2","5","1","2","6","5","1") = "5"
    & skf18("2","5","1","2","6","6","1") = "5"
    & skf18("2","5","1","2","6","7","1") = "6"
    & skf18("2","5","1","2","6","8","1") = "7"
    & skf18("2","5","1","2","6","9","1") = "8"
    & skf18("2","5","1","2","6","10","1") = "9"
    & skf18("2","5","1","2","7","1","1") = "6"
    & skf18("2","5","1","2","7","2","1") = "6"
    & skf18("2","5","1","2","7","3","1") = "6"
    & skf18("2","5","1","2","7","4","1") = "6"
    & skf18("2","5","1","2","7","5","1") = "6"
    & skf18("2","5","1","2","7","6","1") = "6"
    & skf18("2","5","1","2","7","7","1") = "6"
    & skf18("2","5","1","2","7","8","1") = "7"
    & skf18("2","5","1","2","7","9","1") = "8"
    & skf18("2","5","1","2","7","10","1") = "9"
    & skf18("2","5","1","2","8","1","1") = "7"
    & skf18("2","5","1","2","8","2","1") = "7"
    & skf18("2","5","1","2","8","3","1") = "7"
    & skf18("2","5","1","2","8","4","1") = "7"
    & skf18("2","5","1","2","8","5","1") = "7"
    & skf18("2","5","1","2","8","6","1") = "7"
    & skf18("2","5","1","2","8","7","1") = "7"
    & skf18("2","5","1","2","8","8","1") = "7"
    & skf18("2","5","1","2","8","9","1") = "8"
    & skf18("2","5","1","2","8","10","1") = "9"
    & skf18("2","5","1","2","9","1","1") = "8"
    & skf18("2","5","1","2","9","2","1") = "8"
    & skf18("2","5","1","2","9","3","1") = "8"
    & skf18("2","5","1","2","9","4","1") = "8"
    & skf18("2","5","1","2","9","5","1") = "8"
    & skf18("2","5","1","2","9","6","1") = "8"
    & skf18("2","5","1","2","9","7","1") = "8"
    & skf18("2","5","1","2","9","8","1") = "8"
    & skf18("2","5","1","2","9","9","1") = "8"
    & skf18("2","5","1","2","9","10","1") = "9"
    & skf18("2","5","1","2","10","1","1") = "9"
    & skf18("2","5","1","2","10","2","1") = "9"
    & skf18("2","5","1","2","10","3","1") = "9"
    & skf18("2","5","1","2","10","4","1") = "9"
    & skf18("2","5","1","2","10","5","1") = "9"
    & skf18("2","5","1","2","10","6","1") = "9"
    & skf18("2","5","1","2","10","7","1") = "9"
    & skf18("2","5","1","2","10","8","1") = "9"
    & skf18("2","5","1","2","10","9","1") = "9"
    & skf18("2","5","1","2","10","10","1") = "9"
    & skf18("2","5","1","3","1","1","1") = "4"
    & skf18("2","5","1","3","1","2","1") = "4"
    & skf18("2","5","1","3","1","3","1") = "4"
    & skf18("2","5","1","3","1","4","1") = "4"
    & skf18("2","5","1","3","1","5","1") = "4"
    & skf18("2","5","1","3","1","6","1") = "5"
    & skf18("2","5","1","3","1","7","1") = "6"
    & skf18("2","5","1","3","1","8","1") = "7"
    & skf18("2","5","1","3","1","9","1") = "8"
    & skf18("2","5","1","3","1","10","1") = "9"
    & skf18("2","5","1","3","2","1","1") = "4"
    & skf18("2","5","1","3","2","2","1") = "4"
    & skf18("2","5","1","3","2","3","1") = "4"
    & skf18("2","5","1","3","2","4","1") = "4"
    & skf18("2","5","1","3","2","5","1") = "4"
    & skf18("2","5","1","3","2","6","1") = "5"
    & skf18("2","5","1","3","2","7","1") = "6"
    & skf18("2","5","1","3","2","8","1") = "7"
    & skf18("2","5","1","3","2","9","1") = "8"
    & skf18("2","5","1","3","2","10","1") = "9"
    & skf18("2","5","1","3","3","1","1") = "4"
    & skf18("2","5","1","3","3","2","1") = "4"
    & skf18("2","5","1","3","3","3","1") = "4"
    & skf18("2","5","1","3","3","4","1") = "4"
    & skf18("2","5","1","3","3","5","1") = "4"
    & skf18("2","5","1","3","3","6","1") = "5"
    & skf18("2","5","1","3","3","7","1") = "6"
    & skf18("2","5","1","3","3","8","1") = "7"
    & skf18("2","5","1","3","3","9","1") = "8"
    & skf18("2","5","1","3","3","10","1") = "9"
    & skf18("2","5","1","3","4","1","1") = "4"
    & skf18("2","5","1","3","4","2","1") = "4"
    & skf18("2","5","1","3","4","3","1") = "4"
    & skf18("2","5","1","3","4","4","1") = "4"
    & skf18("2","5","1","3","4","5","1") = "4"
    & skf18("2","5","1","3","4","6","1") = "5"
    & skf18("2","5","1","3","4","7","1") = "6"
    & skf18("2","5","1","3","4","8","1") = "7"
    & skf18("2","5","1","3","4","9","1") = "8"
    & skf18("2","5","1","3","4","10","1") = "9"
    & skf18("2","5","1","3","5","1","1") = "4"
    & skf18("2","5","1","3","5","2","1") = "4"
    & skf18("2","5","1","3","5","3","1") = "4"
    & skf18("2","5","1","3","5","4","1") = "4"
    & skf18("2","5","1","3","5","5","1") = "4"
    & skf18("2","5","1","3","5","6","1") = "5"
    & skf18("2","5","1","3","5","7","1") = "6"
    & skf18("2","5","1","3","5","8","1") = "7"
    & skf18("2","5","1","3","5","9","1") = "8"
    & skf18("2","5","1","3","5","10","1") = "9"
    & skf18("2","5","1","3","6","1","1") = "5"
    & skf18("2","5","1","3","6","2","1") = "5"
    & skf18("2","5","1","3","6","3","1") = "5"
    & skf18("2","5","1","3","6","4","1") = "5"
    & skf18("2","5","1","3","6","5","1") = "5"
    & skf18("2","5","1","3","6","6","1") = "5"
    & skf18("2","5","1","3","6","7","1") = "6"
    & skf18("2","5","1","3","6","8","1") = "7"
    & skf18("2","5","1","3","6","9","1") = "8"
    & skf18("2","5","1","3","6","10","1") = "9"
    & skf18("2","5","1","3","7","1","1") = "6"
    & skf18("2","5","1","3","7","2","1") = "6"
    & skf18("2","5","1","3","7","3","1") = "6"
    & skf18("2","5","1","3","7","4","1") = "6"
    & skf18("2","5","1","3","7","5","1") = "6"
    & skf18("2","5","1","3","7","6","1") = "6"
    & skf18("2","5","1","3","7","7","1") = "6"
    & skf18("2","5","1","3","7","8","1") = "7"
    & skf18("2","5","1","3","7","9","1") = "8"
    & skf18("2","5","1","3","7","10","1") = "9"
    & skf18("2","5","1","3","8","1","1") = "7"
    & skf18("2","5","1","3","8","2","1") = "7"
    & skf18("2","5","1","3","8","3","1") = "7"
    & skf18("2","5","1","3","8","4","1") = "7"
    & skf18("2","5","1","3","8","5","1") = "7"
    & skf18("2","5","1","3","8","6","1") = "7"
    & skf18("2","5","1","3","8","7","1") = "7"
    & skf18("2","5","1","3","8","8","1") = "7"
    & skf18("2","5","1","3","8","9","1") = "8"
    & skf18("2","5","1","3","8","10","1") = "9"
    & skf18("2","5","1","3","9","1","1") = "8"
    & skf18("2","5","1","3","9","2","1") = "8"
    & skf18("2","5","1","3","9","3","1") = "8"
    & skf18("2","5","1","3","9","4","1") = "8"
    & skf18("2","5","1","3","9","5","1") = "8"
    & skf18("2","5","1","3","9","6","1") = "8"
    & skf18("2","5","1","3","9","7","1") = "8"
    & skf18("2","5","1","3","9","8","1") = "8"
    & skf18("2","5","1","3","9","9","1") = "8"
    & skf18("2","5","1","3","9","10","1") = "9"
    & skf18("2","5","1","3","10","1","1") = "9"
    & skf18("2","5","1","3","10","2","1") = "9"
    & skf18("2","5","1","3","10","3","1") = "9"
    & skf18("2","5","1","3","10","4","1") = "9"
    & skf18("2","5","1","3","10","5","1") = "9"
    & skf18("2","5","1","3","10","6","1") = "9"
    & skf18("2","5","1","3","10","7","1") = "9"
    & skf18("2","5","1","3","10","8","1") = "9"
    & skf18("2","5","1","3","10","9","1") = "9"
    & skf18("2","5","1","3","10","10","1") = "9"
    & skf18("2","5","1","4","1","1","1") = "4"
    & skf18("2","5","1","4","1","2","1") = "4"
    & skf18("2","5","1","4","1","3","1") = "4"
    & skf18("2","5","1","4","1","4","1") = "4"
    & skf18("2","5","1","4","1","5","1") = "4"
    & skf18("2","5","1","4","1","6","1") = "5"
    & skf18("2","5","1","4","1","7","1") = "6"
    & skf18("2","5","1","4","1","8","1") = "7"
    & skf18("2","5","1","4","1","9","1") = "8"
    & skf18("2","5","1","4","1","10","1") = "9"
    & skf18("2","5","1","4","2","1","1") = "4"
    & skf18("2","5","1","4","2","2","1") = "4"
    & skf18("2","5","1","4","2","3","1") = "4"
    & skf18("2","5","1","4","2","4","1") = "4"
    & skf18("2","5","1","4","2","5","1") = "4"
    & skf18("2","5","1","4","2","6","1") = "5"
    & skf18("2","5","1","4","2","7","1") = "6"
    & skf18("2","5","1","4","2","8","1") = "7"
    & skf18("2","5","1","4","2","9","1") = "8"
    & skf18("2","5","1","4","2","10","1") = "9"
    & skf18("2","5","1","4","3","1","1") = "4"
    & skf18("2","5","1","4","3","2","1") = "4"
    & skf18("2","5","1","4","3","3","1") = "4"
    & skf18("2","5","1","4","3","4","1") = "4"
    & skf18("2","5","1","4","3","5","1") = "4"
    & skf18("2","5","1","4","3","6","1") = "5"
    & skf18("2","5","1","4","3","7","1") = "6"
    & skf18("2","5","1","4","3","8","1") = "7"
    & skf18("2","5","1","4","3","9","1") = "8"
    & skf18("2","5","1","4","3","10","1") = "9"
    & skf18("2","5","1","4","4","1","1") = "4"
    & skf18("2","5","1","4","4","2","1") = "4"
    & skf18("2","5","1","4","4","3","1") = "4"
    & skf18("2","5","1","4","4","4","1") = "4"
    & skf18("2","5","1","4","4","5","1") = "4"
    & skf18("2","5","1","4","4","6","1") = "5"
    & skf18("2","5","1","4","4","7","1") = "6"
    & skf18("2","5","1","4","4","8","1") = "7"
    & skf18("2","5","1","4","4","9","1") = "8"
    & skf18("2","5","1","4","4","10","1") = "9"
    & skf18("2","5","1","4","5","1","1") = "4"
    & skf18("2","5","1","4","5","2","1") = "4"
    & skf18("2","5","1","4","5","3","1") = "4"
    & skf18("2","5","1","4","5","4","1") = "4"
    & skf18("2","5","1","4","5","5","1") = "4"
    & skf18("2","5","1","4","5","6","1") = "5"
    & skf18("2","5","1","4","5","7","1") = "6"
    & skf18("2","5","1","4","5","8","1") = "7"
    & skf18("2","5","1","4","5","9","1") = "8"
    & skf18("2","5","1","4","5","10","1") = "9"
    & skf18("2","5","1","4","6","1","1") = "5"
    & skf18("2","5","1","4","6","2","1") = "5"
    & skf18("2","5","1","4","6","3","1") = "5"
    & skf18("2","5","1","4","6","4","1") = "5"
    & skf18("2","5","1","4","6","5","1") = "5"
    & skf18("2","5","1","4","6","6","1") = "5"
    & skf18("2","5","1","4","6","7","1") = "6"
    & skf18("2","5","1","4","6","8","1") = "7"
    & skf18("2","5","1","4","6","9","1") = "8"
    & skf18("2","5","1","4","6","10","1") = "9"
    & skf18("2","5","1","4","7","1","1") = "6"
    & skf18("2","5","1","4","7","2","1") = "6"
    & skf18("2","5","1","4","7","3","1") = "6"
    & skf18("2","5","1","4","7","4","1") = "6"
    & skf18("2","5","1","4","7","5","1") = "6"
    & skf18("2","5","1","4","7","6","1") = "6"
    & skf18("2","5","1","4","7","7","1") = "6"
    & skf18("2","5","1","4","7","8","1") = "7"
    & skf18("2","5","1","4","7","9","1") = "8"
    & skf18("2","5","1","4","7","10","1") = "9"
    & skf18("2","5","1","4","8","1","1") = "7"
    & skf18("2","5","1","4","8","2","1") = "7"
    & skf18("2","5","1","4","8","3","1") = "7"
    & skf18("2","5","1","4","8","4","1") = "7"
    & skf18("2","5","1","4","8","5","1") = "7"
    & skf18("2","5","1","4","8","6","1") = "7"
    & skf18("2","5","1","4","8","7","1") = "7"
    & skf18("2","5","1","4","8","8","1") = "7"
    & skf18("2","5","1","4","8","9","1") = "8"
    & skf18("2","5","1","4","8","10","1") = "9"
    & skf18("2","5","1","4","9","1","1") = "8"
    & skf18("2","5","1","4","9","2","1") = "8"
    & skf18("2","5","1","4","9","3","1") = "8"
    & skf18("2","5","1","4","9","4","1") = "8"
    & skf18("2","5","1","4","9","5","1") = "8"
    & skf18("2","5","1","4","9","6","1") = "8"
    & skf18("2","5","1","4","9","7","1") = "8"
    & skf18("2","5","1","4","9","8","1") = "8"
    & skf18("2","5","1","4","9","9","1") = "8"
    & skf18("2","5","1","4","9","10","1") = "9"
    & skf18("2","5","1","4","10","1","1") = "9"
    & skf18("2","5","1","4","10","2","1") = "9"
    & skf18("2","5","1","4","10","3","1") = "9"
    & skf18("2","5","1","4","10","4","1") = "9"
    & skf18("2","5","1","4","10","5","1") = "9"
    & skf18("2","5","1","4","10","6","1") = "9"
    & skf18("2","5","1","4","10","7","1") = "9"
    & skf18("2","5","1","4","10","8","1") = "9"
    & skf18("2","5","1","4","10","9","1") = "9"
    & skf18("2","5","1","4","10","10","1") = "9"
    & skf18("2","5","1","5","1","1","1") = "4"
    & skf18("2","5","1","5","1","2","1") = "4"
    & skf18("2","5","1","5","1","3","1") = "4"
    & skf18("2","5","1","5","1","4","1") = "4"
    & skf18("2","5","1","5","1","5","1") = "4"
    & skf18("2","5","1","5","1","6","1") = "5"
    & skf18("2","5","1","5","1","7","1") = "6"
    & skf18("2","5","1","5","1","8","1") = "7"
    & skf18("2","5","1","5","1","9","1") = "8"
    & skf18("2","5","1","5","1","10","1") = "9"
    & skf18("2","5","1","5","2","1","1") = "4"
    & skf18("2","5","1","5","2","2","1") = "4"
    & skf18("2","5","1","5","2","3","1") = "4"
    & skf18("2","5","1","5","2","4","1") = "4"
    & skf18("2","5","1","5","2","5","1") = "4"
    & skf18("2","5","1","5","2","6","1") = "5"
    & skf18("2","5","1","5","2","7","1") = "6"
    & skf18("2","5","1","5","2","8","1") = "7"
    & skf18("2","5","1","5","2","9","1") = "8"
    & skf18("2","5","1","5","2","10","1") = "9"
    & skf18("2","5","1","5","3","1","1") = "4"
    & skf18("2","5","1","5","3","2","1") = "4"
    & skf18("2","5","1","5","3","3","1") = "4"
    & skf18("2","5","1","5","3","4","1") = "4"
    & skf18("2","5","1","5","3","5","1") = "4"
    & skf18("2","5","1","5","3","6","1") = "5"
    & skf18("2","5","1","5","3","7","1") = "6"
    & skf18("2","5","1","5","3","8","1") = "7"
    & skf18("2","5","1","5","3","9","1") = "8"
    & skf18("2","5","1","5","3","10","1") = "9"
    & skf18("2","5","1","5","4","1","1") = "4"
    & skf18("2","5","1","5","4","2","1") = "4"
    & skf18("2","5","1","5","4","3","1") = "4"
    & skf18("2","5","1","5","4","4","1") = "4"
    & skf18("2","5","1","5","4","5","1") = "4"
    & skf18("2","5","1","5","4","6","1") = "5"
    & skf18("2","5","1","5","4","7","1") = "6"
    & skf18("2","5","1","5","4","8","1") = "7"
    & skf18("2","5","1","5","4","9","1") = "8"
    & skf18("2","5","1","5","4","10","1") = "9"
    & skf18("2","5","1","5","5","1","1") = "4"
    & skf18("2","5","1","5","5","2","1") = "4"
    & skf18("2","5","1","5","5","3","1") = "4"
    & skf18("2","5","1","5","5","4","1") = "4"
    & skf18("2","5","1","5","5","5","1") = "4"
    & skf18("2","5","1","5","5","6","1") = "5"
    & skf18("2","5","1","5","5","7","1") = "6"
    & skf18("2","5","1","5","5","8","1") = "7"
    & skf18("2","5","1","5","5","9","1") = "8"
    & skf18("2","5","1","5","5","10","1") = "9"
    & skf18("2","5","1","5","6","1","1") = "5"
    & skf18("2","5","1","5","6","2","1") = "5"
    & skf18("2","5","1","5","6","3","1") = "5"
    & skf18("2","5","1","5","6","4","1") = "5"
    & skf18("2","5","1","5","6","5","1") = "5"
    & skf18("2","5","1","5","6","6","1") = "5"
    & skf18("2","5","1","5","6","7","1") = "6"
    & skf18("2","5","1","5","6","8","1") = "7"
    & skf18("2","5","1","5","6","9","1") = "8"
    & skf18("2","5","1","5","6","10","1") = "9"
    & skf18("2","5","1","5","7","1","1") = "6"
    & skf18("2","5","1","5","7","2","1") = "6"
    & skf18("2","5","1","5","7","3","1") = "6"
    & skf18("2","5","1","5","7","4","1") = "6"
    & skf18("2","5","1","5","7","5","1") = "6"
    & skf18("2","5","1","5","7","6","1") = "6"
    & skf18("2","5","1","5","7","7","1") = "6"
    & skf18("2","5","1","5","7","8","1") = "7"
    & skf18("2","5","1","5","7","9","1") = "8"
    & skf18("2","5","1","5","7","10","1") = "9"
    & skf18("2","5","1","5","8","1","1") = "7"
    & skf18("2","5","1","5","8","2","1") = "7"
    & skf18("2","5","1","5","8","3","1") = "7"
    & skf18("2","5","1","5","8","4","1") = "7"
    & skf18("2","5","1","5","8","5","1") = "7"
    & skf18("2","5","1","5","8","6","1") = "7"
    & skf18("2","5","1","5","8","7","1") = "7"
    & skf18("2","5","1","5","8","8","1") = "7"
    & skf18("2","5","1","5","8","9","1") = "8"
    & skf18("2","5","1","5","8","10","1") = "9"
    & skf18("2","5","1","5","9","1","1") = "8"
    & skf18("2","5","1","5","9","2","1") = "8"
    & skf18("2","5","1","5","9","3","1") = "8"
    & skf18("2","5","1","5","9","4","1") = "8"
    & skf18("2","5","1","5","9","5","1") = "8"
    & skf18("2","5","1","5","9","6","1") = "8"
    & skf18("2","5","1","5","9","7","1") = "8"
    & skf18("2","5","1","5","9","8","1") = "8"
    & skf18("2","5","1","5","9","9","1") = "8"
    & skf18("2","5","1","5","9","10","1") = "9"
    & skf18("2","5","1","5","10","1","1") = "9"
    & skf18("2","5","1","5","10","2","1") = "9"
    & skf18("2","5","1","5","10","3","1") = "9"
    & skf18("2","5","1","5","10","4","1") = "9"
    & skf18("2","5","1","5","10","5","1") = "9"
    & skf18("2","5","1","5","10","6","1") = "9"
    & skf18("2","5","1","5","10","7","1") = "9"
    & skf18("2","5","1","5","10","8","1") = "9"
    & skf18("2","5","1","5","10","9","1") = "9"
    & skf18("2","5","1","5","10","10","1") = "9"
    & skf18("2","5","1","6","1","1","1") = "5"
    & skf18("2","5","1","6","1","2","1") = "5"
    & skf18("2","5","1","6","1","3","1") = "5"
    & skf18("2","5","1","6","1","4","1") = "5"
    & skf18("2","5","1","6","1","5","1") = "5"
    & skf18("2","5","1","6","1","6","1") = "5"
    & skf18("2","5","1","6","1","7","1") = "6"
    & skf18("2","5","1","6","1","8","1") = "7"
    & skf18("2","5","1","6","1","9","1") = "8"
    & skf18("2","5","1","6","1","10","1") = "9"
    & skf18("2","5","1","6","2","1","1") = "5"
    & skf18("2","5","1","6","2","2","1") = "5"
    & skf18("2","5","1","6","2","3","1") = "5"
    & skf18("2","5","1","6","2","4","1") = "5"
    & skf18("2","5","1","6","2","5","1") = "5"
    & skf18("2","5","1","6","2","6","1") = "5"
    & skf18("2","5","1","6","2","7","1") = "6"
    & skf18("2","5","1","6","2","8","1") = "7"
    & skf18("2","5","1","6","2","9","1") = "8"
    & skf18("2","5","1","6","2","10","1") = "9"
    & skf18("2","5","1","6","3","1","1") = "5"
    & skf18("2","5","1","6","3","2","1") = "5"
    & skf18("2","5","1","6","3","3","1") = "5"
    & skf18("2","5","1","6","3","4","1") = "5"
    & skf18("2","5","1","6","3","5","1") = "5"
    & skf18("2","5","1","6","3","6","1") = "5"
    & skf18("2","5","1","6","3","7","1") = "6"
    & skf18("2","5","1","6","3","8","1") = "7"
    & skf18("2","5","1","6","3","9","1") = "8"
    & skf18("2","5","1","6","3","10","1") = "9"
    & skf18("2","5","1","6","4","1","1") = "5"
    & skf18("2","5","1","6","4","2","1") = "5"
    & skf18("2","5","1","6","4","3","1") = "5"
    & skf18("2","5","1","6","4","4","1") = "5"
    & skf18("2","5","1","6","4","5","1") = "5"
    & skf18("2","5","1","6","4","6","1") = "5"
    & skf18("2","5","1","6","4","7","1") = "6"
    & skf18("2","5","1","6","4","8","1") = "7"
    & skf18("2","5","1","6","4","9","1") = "8"
    & skf18("2","5","1","6","4","10","1") = "9"
    & skf18("2","5","1","6","5","1","1") = "5"
    & skf18("2","5","1","6","5","2","1") = "5"
    & skf18("2","5","1","6","5","3","1") = "5"
    & skf18("2","5","1","6","5","4","1") = "5"
    & skf18("2","5","1","6","5","5","1") = "5"
    & skf18("2","5","1","6","5","6","1") = "5"
    & skf18("2","5","1","6","5","7","1") = "6"
    & skf18("2","5","1","6","5","8","1") = "7"
    & skf18("2","5","1","6","5","9","1") = "8"
    & skf18("2","5","1","6","5","10","1") = "9"
    & skf18("2","5","1","6","6","1","1") = "5"
    & skf18("2","5","1","6","6","2","1") = "5"
    & skf18("2","5","1","6","6","3","1") = "5"
    & skf18("2","5","1","6","6","4","1") = "5"
    & skf18("2","5","1","6","6","5","1") = "5"
    & skf18("2","5","1","6","6","6","1") = "5"
    & skf18("2","5","1","6","6","7","1") = "6"
    & skf18("2","5","1","6","6","8","1") = "7"
    & skf18("2","5","1","6","6","9","1") = "8"
    & skf18("2","5","1","6","6","10","1") = "9"
    & skf18("2","5","1","6","7","1","1") = "6"
    & skf18("2","5","1","6","7","2","1") = "6"
    & skf18("2","5","1","6","7","3","1") = "6"
    & skf18("2","5","1","6","7","4","1") = "6"
    & skf18("2","5","1","6","7","5","1") = "6"
    & skf18("2","5","1","6","7","6","1") = "6"
    & skf18("2","5","1","6","7","7","1") = "6"
    & skf18("2","5","1","6","7","8","1") = "7"
    & skf18("2","5","1","6","7","9","1") = "8"
    & skf18("2","5","1","6","7","10","1") = "9"
    & skf18("2","5","1","6","8","1","1") = "7"
    & skf18("2","5","1","6","8","2","1") = "7"
    & skf18("2","5","1","6","8","3","1") = "7"
    & skf18("2","5","1","6","8","4","1") = "7"
    & skf18("2","5","1","6","8","5","1") = "7"
    & skf18("2","5","1","6","8","6","1") = "7"
    & skf18("2","5","1","6","8","7","1") = "7"
    & skf18("2","5","1","6","8","8","1") = "7"
    & skf18("2","5","1","6","8","9","1") = "8"
    & skf18("2","5","1","6","8","10","1") = "9"
    & skf18("2","5","1","6","9","1","1") = "8"
    & skf18("2","5","1","6","9","2","1") = "8"
    & skf18("2","5","1","6","9","3","1") = "8"
    & skf18("2","5","1","6","9","4","1") = "8"
    & skf18("2","5","1","6","9","5","1") = "8"
    & skf18("2","5","1","6","9","6","1") = "8"
    & skf18("2","5","1","6","9","7","1") = "8"
    & skf18("2","5","1","6","9","8","1") = "8"
    & skf18("2","5","1","6","9","9","1") = "8"
    & skf18("2","5","1","6","9","10","1") = "9"
    & skf18("2","5","1","6","10","1","1") = "9"
    & skf18("2","5","1","6","10","2","1") = "9"
    & skf18("2","5","1","6","10","3","1") = "9"
    & skf18("2","5","1","6","10","4","1") = "9"
    & skf18("2","5","1","6","10","5","1") = "9"
    & skf18("2","5","1","6","10","6","1") = "9"
    & skf18("2","5","1","6","10","7","1") = "9"
    & skf18("2","5","1","6","10","8","1") = "9"
    & skf18("2","5","1","6","10","9","1") = "9"
    & skf18("2","5","1","6","10","10","1") = "9"
    & skf18("2","5","1","7","1","1","1") = "6"
    & skf18("2","5","1","7","1","2","1") = "6"
    & skf18("2","5","1","7","1","3","1") = "6"
    & skf18("2","5","1","7","1","4","1") = "6"
    & skf18("2","5","1","7","1","5","1") = "6"
    & skf18("2","5","1","7","1","6","1") = "6"
    & skf18("2","5","1","7","1","7","1") = "6"
    & skf18("2","5","1","7","1","8","1") = "7"
    & skf18("2","5","1","7","1","9","1") = "8"
    & skf18("2","5","1","7","1","10","1") = "9"
    & skf18("2","5","1","7","2","1","1") = "6"
    & skf18("2","5","1","7","2","2","1") = "6"
    & skf18("2","5","1","7","2","3","1") = "6"
    & skf18("2","5","1","7","2","4","1") = "6"
    & skf18("2","5","1","7","2","5","1") = "6"
    & skf18("2","5","1","7","2","6","1") = "6"
    & skf18("2","5","1","7","2","7","1") = "6"
    & skf18("2","5","1","7","2","8","1") = "7"
    & skf18("2","5","1","7","2","9","1") = "8"
    & skf18("2","5","1","7","2","10","1") = "9"
    & skf18("2","5","1","7","3","1","1") = "6"
    & skf18("2","5","1","7","3","2","1") = "6"
    & skf18("2","5","1","7","3","3","1") = "6"
    & skf18("2","5","1","7","3","4","1") = "6"
    & skf18("2","5","1","7","3","5","1") = "6"
    & skf18("2","5","1","7","3","6","1") = "6"
    & skf18("2","5","1","7","3","7","1") = "6"
    & skf18("2","5","1","7","3","8","1") = "7"
    & skf18("2","5","1","7","3","9","1") = "8"
    & skf18("2","5","1","7","3","10","1") = "9"
    & skf18("2","5","1","7","4","1","1") = "6"
    & skf18("2","5","1","7","4","2","1") = "6"
    & skf18("2","5","1","7","4","3","1") = "6"
    & skf18("2","5","1","7","4","4","1") = "6"
    & skf18("2","5","1","7","4","5","1") = "6"
    & skf18("2","5","1","7","4","6","1") = "6"
    & skf18("2","5","1","7","4","7","1") = "6"
    & skf18("2","5","1","7","4","8","1") = "7"
    & skf18("2","5","1","7","4","9","1") = "8"
    & skf18("2","5","1","7","4","10","1") = "9"
    & skf18("2","5","1","7","5","1","1") = "6"
    & skf18("2","5","1","7","5","2","1") = "6"
    & skf18("2","5","1","7","5","3","1") = "6"
    & skf18("2","5","1","7","5","4","1") = "6"
    & skf18("2","5","1","7","5","5","1") = "6"
    & skf18("2","5","1","7","5","6","1") = "6"
    & skf18("2","5","1","7","5","7","1") = "6"
    & skf18("2","5","1","7","5","8","1") = "7"
    & skf18("2","5","1","7","5","9","1") = "8"
    & skf18("2","5","1","7","5","10","1") = "9"
    & skf18("2","5","1","7","6","1","1") = "6"
    & skf18("2","5","1","7","6","2","1") = "6"
    & skf18("2","5","1","7","6","3","1") = "6"
    & skf18("2","5","1","7","6","4","1") = "6"
    & skf18("2","5","1","7","6","5","1") = "6"
    & skf18("2","5","1","7","6","6","1") = "6"
    & skf18("2","5","1","7","6","7","1") = "6"
    & skf18("2","5","1","7","6","8","1") = "7"
    & skf18("2","5","1","7","6","9","1") = "8"
    & skf18("2","5","1","7","6","10","1") = "9"
    & skf18("2","5","1","7","7","1","1") = "6"
    & skf18("2","5","1","7","7","2","1") = "6"
    & skf18("2","5","1","7","7","3","1") = "6"
    & skf18("2","5","1","7","7","4","1") = "6"
    & skf18("2","5","1","7","7","5","1") = "6"
    & skf18("2","5","1","7","7","6","1") = "6"
    & skf18("2","5","1","7","7","7","1") = "6"
    & skf18("2","5","1","7","7","8","1") = "7"
    & skf18("2","5","1","7","7","9","1") = "8"
    & skf18("2","5","1","7","7","10","1") = "9"
    & skf18("2","5","1","7","8","1","1") = "7"
    & skf18("2","5","1","7","8","2","1") = "7"
    & skf18("2","5","1","7","8","3","1") = "7"
    & skf18("2","5","1","7","8","4","1") = "7"
    & skf18("2","5","1","7","8","5","1") = "7"
    & skf18("2","5","1","7","8","6","1") = "7"
    & skf18("2","5","1","7","8","7","1") = "7"
    & skf18("2","5","1","7","8","8","1") = "7"
    & skf18("2","5","1","7","8","9","1") = "8"
    & skf18("2","5","1","7","8","10","1") = "9"
    & skf18("2","5","1","7","9","1","1") = "8"
    & skf18("2","5","1","7","9","2","1") = "8"
    & skf18("2","5","1","7","9","3","1") = "8"
    & skf18("2","5","1","7","9","4","1") = "8"
    & skf18("2","5","1","7","9","5","1") = "8"
    & skf18("2","5","1","7","9","6","1") = "8"
    & skf18("2","5","1","7","9","7","1") = "8"
    & skf18("2","5","1","7","9","8","1") = "8"
    & skf18("2","5","1","7","9","9","1") = "8"
    & skf18("2","5","1","7","9","10","1") = "9"
    & skf18("2","5","1","7","10","1","1") = "9"
    & skf18("2","5","1","7","10","2","1") = "9"
    & skf18("2","5","1","7","10","3","1") = "9"
    & skf18("2","5","1","7","10","4","1") = "9"
    & skf18("2","5","1","7","10","5","1") = "9"
    & skf18("2","5","1","7","10","6","1") = "9"
    & skf18("2","5","1","7","10","7","1") = "9"
    & skf18("2","5","1","7","10","8","1") = "9"
    & skf18("2","5","1","7","10","9","1") = "9"
    & skf18("2","5","1","7","10","10","1") = "9"
    & skf18("2","5","1","8","1","1","1") = "7"
    & skf18("2","5","1","8","1","2","1") = "7"
    & skf18("2","5","1","8","1","3","1") = "7"
    & skf18("2","5","1","8","1","4","1") = "7"
    & skf18("2","5","1","8","1","5","1") = "7"
    & skf18("2","5","1","8","1","6","1") = "7"
    & skf18("2","5","1","8","1","7","1") = "7"
    & skf18("2","5","1","8","1","8","1") = "7"
    & skf18("2","5","1","8","1","9","1") = "8"
    & skf18("2","5","1","8","1","10","1") = "9"
    & skf18("2","5","1","8","2","1","1") = "7"
    & skf18("2","5","1","8","2","2","1") = "7"
    & skf18("2","5","1","8","2","3","1") = "7"
    & skf18("2","5","1","8","2","4","1") = "7"
    & skf18("2","5","1","8","2","5","1") = "7"
    & skf18("2","5","1","8","2","6","1") = "7"
    & skf18("2","5","1","8","2","7","1") = "7"
    & skf18("2","5","1","8","2","8","1") = "7"
    & skf18("2","5","1","8","2","9","1") = "8"
    & skf18("2","5","1","8","2","10","1") = "9"
    & skf18("2","5","1","8","3","1","1") = "7"
    & skf18("2","5","1","8","3","2","1") = "7"
    & skf18("2","5","1","8","3","3","1") = "7"
    & skf18("2","5","1","8","3","4","1") = "7"
    & skf18("2","5","1","8","3","5","1") = "7"
    & skf18("2","5","1","8","3","6","1") = "7"
    & skf18("2","5","1","8","3","7","1") = "7"
    & skf18("2","5","1","8","3","8","1") = "7"
    & skf18("2","5","1","8","3","9","1") = "8"
    & skf18("2","5","1","8","3","10","1") = "9"
    & skf18("2","5","1","8","4","1","1") = "7"
    & skf18("2","5","1","8","4","2","1") = "7"
    & skf18("2","5","1","8","4","3","1") = "7"
    & skf18("2","5","1","8","4","4","1") = "7"
    & skf18("2","5","1","8","4","5","1") = "7"
    & skf18("2","5","1","8","4","6","1") = "7"
    & skf18("2","5","1","8","4","7","1") = "7"
    & skf18("2","5","1","8","4","8","1") = "7"
    & skf18("2","5","1","8","4","9","1") = "8"
    & skf18("2","5","1","8","4","10","1") = "9"
    & skf18("2","5","1","8","5","1","1") = "7"
    & skf18("2","5","1","8","5","2","1") = "7"
    & skf18("2","5","1","8","5","3","1") = "7"
    & skf18("2","5","1","8","5","4","1") = "7"
    & skf18("2","5","1","8","5","5","1") = "7"
    & skf18("2","5","1","8","5","6","1") = "7"
    & skf18("2","5","1","8","5","7","1") = "7"
    & skf18("2","5","1","8","5","8","1") = "7"
    & skf18("2","5","1","8","5","9","1") = "8"
    & skf18("2","5","1","8","5","10","1") = "9"
    & skf18("2","5","1","8","6","1","1") = "7"
    & skf18("2","5","1","8","6","2","1") = "7"
    & skf18("2","5","1","8","6","3","1") = "7"
    & skf18("2","5","1","8","6","4","1") = "7"
    & skf18("2","5","1","8","6","5","1") = "7"
    & skf18("2","5","1","8","6","6","1") = "7"
    & skf18("2","5","1","8","6","7","1") = "7"
    & skf18("2","5","1","8","6","8","1") = "7"
    & skf18("2","5","1","8","6","9","1") = "8"
    & skf18("2","5","1","8","6","10","1") = "9"
    & skf18("2","5","1","8","7","1","1") = "7"
    & skf18("2","5","1","8","7","2","1") = "7"
    & skf18("2","5","1","8","7","3","1") = "7"
    & skf18("2","5","1","8","7","4","1") = "7"
    & skf18("2","5","1","8","7","5","1") = "7"
    & skf18("2","5","1","8","7","6","1") = "7"
    & skf18("2","5","1","8","7","7","1") = "7"
    & skf18("2","5","1","8","7","8","1") = "7"
    & skf18("2","5","1","8","7","9","1") = "8"
    & skf18("2","5","1","8","7","10","1") = "9"
    & skf18("2","5","1","8","8","1","1") = "7"
    & skf18("2","5","1","8","8","2","1") = "7"
    & skf18("2","5","1","8","8","3","1") = "7"
    & skf18("2","5","1","8","8","4","1") = "7"
    & skf18("2","5","1","8","8","5","1") = "7"
    & skf18("2","5","1","8","8","6","1") = "7"
    & skf18("2","5","1","8","8","7","1") = "7"
    & skf18("2","5","1","8","8","8","1") = "7"
    & skf18("2","5","1","8","8","9","1") = "8"
    & skf18("2","5","1","8","8","10","1") = "9"
    & skf18("2","5","1","8","9","1","1") = "8"
    & skf18("2","5","1","8","9","2","1") = "8"
    & skf18("2","5","1","8","9","3","1") = "8"
    & skf18("2","5","1","8","9","4","1") = "8"
    & skf18("2","5","1","8","9","5","1") = "8"
    & skf18("2","5","1","8","9","6","1") = "8"
    & skf18("2","5","1","8","9","7","1") = "8"
    & skf18("2","5","1","8","9","8","1") = "8"
    & skf18("2","5","1","8","9","9","1") = "8"
    & skf18("2","5","1","8","9","10","1") = "9"
    & skf18("2","5","1","8","10","1","1") = "9"
    & skf18("2","5","1","8","10","2","1") = "9"
    & skf18("2","5","1","8","10","3","1") = "9"
    & skf18("2","5","1","8","10","4","1") = "9"
    & skf18("2","5","1","8","10","5","1") = "9"
    & skf18("2","5","1","8","10","6","1") = "9"
    & skf18("2","5","1","8","10","7","1") = "9"
    & skf18("2","5","1","8","10","8","1") = "9"
    & skf18("2","5","1","8","10","9","1") = "9"
    & skf18("2","5","1","8","10","10","1") = "9"
    & skf18("2","5","1","9","1","1","1") = "8"
    & skf18("2","5","1","9","1","2","1") = "8"
    & skf18("2","5","1","9","1","3","1") = "8"
    & skf18("2","5","1","9","1","4","1") = "8"
    & skf18("2","5","1","9","1","5","1") = "8"
    & skf18("2","5","1","9","1","6","1") = "8"
    & skf18("2","5","1","9","1","7","1") = "8"
    & skf18("2","5","1","9","1","8","1") = "8"
    & skf18("2","5","1","9","1","9","1") = "8"
    & skf18("2","5","1","9","1","10","1") = "9"
    & skf18("2","5","1","9","2","1","1") = "8"
    & skf18("2","5","1","9","2","2","1") = "8"
    & skf18("2","5","1","9","2","3","1") = "8"
    & skf18("2","5","1","9","2","4","1") = "8"
    & skf18("2","5","1","9","2","5","1") = "8"
    & skf18("2","5","1","9","2","6","1") = "8"
    & skf18("2","5","1","9","2","7","1") = "8"
    & skf18("2","5","1","9","2","8","1") = "8"
    & skf18("2","5","1","9","2","9","1") = "8"
    & skf18("2","5","1","9","2","10","1") = "9"
    & skf18("2","5","1","9","3","1","1") = "8"
    & skf18("2","5","1","9","3","2","1") = "8"
    & skf18("2","5","1","9","3","3","1") = "8"
    & skf18("2","5","1","9","3","4","1") = "8"
    & skf18("2","5","1","9","3","5","1") = "8"
    & skf18("2","5","1","9","3","6","1") = "8"
    & skf18("2","5","1","9","3","7","1") = "8"
    & skf18("2","5","1","9","3","8","1") = "8"
    & skf18("2","5","1","9","3","9","1") = "8"
    & skf18("2","5","1","9","3","10","1") = "9"
    & skf18("2","5","1","9","4","1","1") = "8"
    & skf18("2","5","1","9","4","2","1") = "8"
    & skf18("2","5","1","9","4","3","1") = "8"
    & skf18("2","5","1","9","4","4","1") = "8"
    & skf18("2","5","1","9","4","5","1") = "8"
    & skf18("2","5","1","9","4","6","1") = "8"
    & skf18("2","5","1","9","4","7","1") = "8"
    & skf18("2","5","1","9","4","8","1") = "8"
    & skf18("2","5","1","9","4","9","1") = "8"
    & skf18("2","5","1","9","4","10","1") = "9"
    & skf18("2","5","1","9","5","1","1") = "8"
    & skf18("2","5","1","9","5","2","1") = "8"
    & skf18("2","5","1","9","5","3","1") = "8"
    & skf18("2","5","1","9","5","4","1") = "8"
    & skf18("2","5","1","9","5","5","1") = "8"
    & skf18("2","5","1","9","5","6","1") = "8"
    & skf18("2","5","1","9","5","7","1") = "8"
    & skf18("2","5","1","9","5","8","1") = "8"
    & skf18("2","5","1","9","5","9","1") = "8"
    & skf18("2","5","1","9","5","10","1") = "9"
    & skf18("2","5","1","9","6","1","1") = "8"
    & skf18("2","5","1","9","6","2","1") = "8"
    & skf18("2","5","1","9","6","3","1") = "8"
    & skf18("2","5","1","9","6","4","1") = "8"
    & skf18("2","5","1","9","6","5","1") = "8"
    & skf18("2","5","1","9","6","6","1") = "8"
    & skf18("2","5","1","9","6","7","1") = "8"
    & skf18("2","5","1","9","6","8","1") = "8"
    & skf18("2","5","1","9","6","9","1") = "8"
    & skf18("2","5","1","9","6","10","1") = "9"
    & skf18("2","5","1","9","7","1","1") = "8"
    & skf18("2","5","1","9","7","2","1") = "8"
    & skf18("2","5","1","9","7","3","1") = "8"
    & skf18("2","5","1","9","7","4","1") = "8"
    & skf18("2","5","1","9","7","5","1") = "8"
    & skf18("2","5","1","9","7","6","1") = "8"
    & skf18("2","5","1","9","7","7","1") = "8"
    & skf18("2","5","1","9","7","8","1") = "8"
    & skf18("2","5","1","9","7","9","1") = "8"
    & skf18("2","5","1","9","7","10","1") = "9"
    & skf18("2","5","1","9","8","1","1") = "8"
    & skf18("2","5","1","9","8","2","1") = "8"
    & skf18("2","5","1","9","8","3","1") = "8"
    & skf18("2","5","1","9","8","4","1") = "8"
    & skf18("2","5","1","9","8","5","1") = "8"
    & skf18("2","5","1","9","8","6","1") = "8"
    & skf18("2","5","1","9","8","7","1") = "8"
    & skf18("2","5","1","9","8","8","1") = "8"
    & skf18("2","5","1","9","8","9","1") = "8"
    & skf18("2","5","1","9","8","10","1") = "9"
    & skf18("2","5","1","9","9","1","1") = "8"
    & skf18("2","5","1","9","9","2","1") = "8"
    & skf18("2","5","1","9","9","3","1") = "8"
    & skf18("2","5","1","9","9","4","1") = "8"
    & skf18("2","5","1","9","9","5","1") = "8"
    & skf18("2","5","1","9","9","6","1") = "8"
    & skf18("2","5","1","9","9","7","1") = "8"
    & skf18("2","5","1","9","9","8","1") = "8"
    & skf18("2","5","1","9","9","9","1") = "8"
    & skf18("2","5","1","9","9","10","1") = "9"
    & skf18("2","5","1","9","10","1","1") = "9"
    & skf18("2","5","1","9","10","2","1") = "9"
    & skf18("2","5","1","9","10","3","1") = "9"
    & skf18("2","5","1","9","10","4","1") = "9"
    & skf18("2","5","1","9","10","5","1") = "9"
    & skf18("2","5","1","9","10","6","1") = "9"
    & skf18("2","5","1","9","10","7","1") = "9"
    & skf18("2","5","1","9","10","8","1") = "9"
    & skf18("2","5","1","9","10","9","1") = "9"
    & skf18("2","5","1","9","10","10","1") = "9"
    & skf18("2","5","1","10","1","1","1") = "9"
    & skf18("2","5","1","10","1","2","1") = "9"
    & skf18("2","5","1","10","1","3","1") = "9"
    & skf18("2","5","1","10","1","4","1") = "9"
    & skf18("2","5","1","10","1","5","1") = "9"
    & skf18("2","5","1","10","1","6","1") = "9"
    & skf18("2","5","1","10","1","7","1") = "9"
    & skf18("2","5","1","10","1","8","1") = "9"
    & skf18("2","5","1","10","1","9","1") = "9"
    & skf18("2","5","1","10","1","10","1") = "9"
    & skf18("2","5","1","10","2","1","1") = "9"
    & skf18("2","5","1","10","2","2","1") = "9"
    & skf18("2","5","1","10","2","3","1") = "9"
    & skf18("2","5","1","10","2","4","1") = "9"
    & skf18("2","5","1","10","2","5","1") = "9"
    & skf18("2","5","1","10","2","6","1") = "9"
    & skf18("2","5","1","10","2","7","1") = "9"
    & skf18("2","5","1","10","2","8","1") = "9"
    & skf18("2","5","1","10","2","9","1") = "9"
    & skf18("2","5","1","10","2","10","1") = "9"
    & skf18("2","5","1","10","3","1","1") = "9"
    & skf18("2","5","1","10","3","2","1") = "9"
    & skf18("2","5","1","10","3","3","1") = "9"
    & skf18("2","5","1","10","3","4","1") = "9"
    & skf18("2","5","1","10","3","5","1") = "9"
    & skf18("2","5","1","10","3","6","1") = "9"
    & skf18("2","5","1","10","3","7","1") = "9"
    & skf18("2","5","1","10","3","8","1") = "9"
    & skf18("2","5","1","10","3","9","1") = "9"
    & skf18("2","5","1","10","3","10","1") = "9"
    & skf18("2","5","1","10","4","1","1") = "9"
    & skf18("2","5","1","10","4","2","1") = "9"
    & skf18("2","5","1","10","4","3","1") = "9"
    & skf18("2","5","1","10","4","4","1") = "9"
    & skf18("2","5","1","10","4","5","1") = "9"
    & skf18("2","5","1","10","4","6","1") = "9"
    & skf18("2","5","1","10","4","7","1") = "9"
    & skf18("2","5","1","10","4","8","1") = "9"
    & skf18("2","5","1","10","4","9","1") = "9"
    & skf18("2","5","1","10","4","10","1") = "9"
    & skf18("2","5","1","10","5","1","1") = "9"
    & skf18("2","5","1","10","5","2","1") = "9"
    & skf18("2","5","1","10","5","3","1") = "9"
    & skf18("2","5","1","10","5","4","1") = "9"
    & skf18("2","5","1","10","5","5","1") = "9"
    & skf18("2","5","1","10","5","6","1") = "9"
    & skf18("2","5","1","10","5","7","1") = "9"
    & skf18("2","5","1","10","5","8","1") = "9"
    & skf18("2","5","1","10","5","9","1") = "9"
    & skf18("2","5","1","10","5","10","1") = "9"
    & skf18("2","5","1","10","6","1","1") = "9"
    & skf18("2","5","1","10","6","2","1") = "9"
    & skf18("2","5","1","10","6","3","1") = "9"
    & skf18("2","5","1","10","6","4","1") = "9"
    & skf18("2","5","1","10","6","5","1") = "9"
    & skf18("2","5","1","10","6","6","1") = "9"
    & skf18("2","5","1","10","6","7","1") = "9"
    & skf18("2","5","1","10","6","8","1") = "9"
    & skf18("2","5","1","10","6","9","1") = "9"
    & skf18("2","5","1","10","6","10","1") = "9"
    & skf18("2","5","1","10","7","1","1") = "9"
    & skf18("2","5","1","10","7","2","1") = "9"
    & skf18("2","5","1","10","7","3","1") = "9"
    & skf18("2","5","1","10","7","4","1") = "9"
    & skf18("2","5","1","10","7","5","1") = "9"
    & skf18("2","5","1","10","7","6","1") = "9"
    & skf18("2","5","1","10","7","7","1") = "9"
    & skf18("2","5","1","10","7","8","1") = "9"
    & skf18("2","5","1","10","7","9","1") = "9"
    & skf18("2","5","1","10","7","10","1") = "9"
    & skf18("2","5","1","10","8","1","1") = "9"
    & skf18("2","5","1","10","8","2","1") = "9"
    & skf18("2","5","1","10","8","3","1") = "9"
    & skf18("2","5","1","10","8","4","1") = "9"
    & skf18("2","5","1","10","8","5","1") = "9"
    & skf18("2","5","1","10","8","6","1") = "9"
    & skf18("2","5","1","10","8","7","1") = "9"
    & skf18("2","5","1","10","8","8","1") = "9"
    & skf18("2","5","1","10","8","9","1") = "9"
    & skf18("2","5","1","10","8","10","1") = "9"
    & skf18("2","5","1","10","9","1","1") = "9"
    & skf18("2","5","1","10","9","2","1") = "9"
    & skf18("2","5","1","10","9","3","1") = "9"
    & skf18("2","5","1","10","9","4","1") = "9"
    & skf18("2","5","1","10","9","5","1") = "9"
    & skf18("2","5","1","10","9","6","1") = "9"
    & skf18("2","5","1","10","9","7","1") = "9"
    & skf18("2","5","1","10","9","8","1") = "9"
    & skf18("2","5","1","10","9","9","1") = "9"
    & skf18("2","5","1","10","9","10","1") = "9"
    & skf18("2","5","1","10","10","1","1") = "9"
    & skf18("2","5","1","10","10","2","1") = "9"
    & skf18("2","5","1","10","10","3","1") = "9"
    & skf18("2","5","1","10","10","4","1") = "9"
    & skf18("2","5","1","10","10","5","1") = "9"
    & skf18("2","5","1","10","10","6","1") = "9"
    & skf18("2","5","1","10","10","7","1") = "9"
    & skf18("2","5","1","10","10","8","1") = "9"
    & skf18("2","5","1","10","10","9","1") = "9"
    & skf18("2","5","1","10","10","10","1") = "9"
    & skf18("2","5","2","1","1","1","1") = "4"
    & skf18("2","5","2","1","1","2","1") = "4"
    & skf18("2","5","2","1","1","3","1") = "4"
    & skf18("2","5","2","1","1","4","1") = "4"
    & skf18("2","5","2","1","1","5","1") = "4"
    & skf18("2","5","2","1","1","6","1") = "5"
    & skf18("2","5","2","1","1","7","1") = "6"
    & skf18("2","5","2","1","1","8","1") = "7"
    & skf18("2","5","2","1","1","9","1") = "8"
    & skf18("2","5","2","1","1","10","1") = "9"
    & skf18("2","5","2","1","2","1","1") = "4"
    & skf18("2","5","2","1","2","2","1") = "4"
    & skf18("2","5","2","1","2","3","1") = "4"
    & skf18("2","5","2","1","2","4","1") = "4"
    & skf18("2","5","2","1","2","5","1") = "4"
    & skf18("2","5","2","1","2","6","1") = "5"
    & skf18("2","5","2","1","2","7","1") = "6"
    & skf18("2","5","2","1","2","8","1") = "7"
    & skf18("2","5","2","1","2","9","1") = "8"
    & skf18("2","5","2","1","2","10","1") = "9"
    & skf18("2","5","2","1","3","1","1") = "4"
    & skf18("2","5","2","1","3","2","1") = "4"
    & skf18("2","5","2","1","3","3","1") = "4"
    & skf18("2","5","2","1","3","4","1") = "4"
    & skf18("2","5","2","1","3","5","1") = "4"
    & skf18("2","5","2","1","3","6","1") = "5"
    & skf18("2","5","2","1","3","7","1") = "6"
    & skf18("2","5","2","1","3","8","1") = "7"
    & skf18("2","5","2","1","3","9","1") = "8"
    & skf18("2","5","2","1","3","10","1") = "9"
    & skf18("2","5","2","1","4","1","1") = "4"
    & skf18("2","5","2","1","4","2","1") = "4"
    & skf18("2","5","2","1","4","3","1") = "4"
    & skf18("2","5","2","1","4","4","1") = "4"
    & skf18("2","5","2","1","4","5","1") = "4"
    & skf18("2","5","2","1","4","6","1") = "5"
    & skf18("2","5","2","1","4","7","1") = "6"
    & skf18("2","5","2","1","4","8","1") = "7"
    & skf18("2","5","2","1","4","9","1") = "8"
    & skf18("2","5","2","1","4","10","1") = "9"
    & skf18("2","5","2","1","5","1","1") = "4"
    & skf18("2","5","2","1","5","2","1") = "4"
    & skf18("2","5","2","1","5","3","1") = "4"
    & skf18("2","5","2","1","5","4","1") = "4"
    & skf18("2","5","2","1","5","5","1") = "4"
    & skf18("2","5","2","1","5","6","1") = "5"
    & skf18("2","5","2","1","5","7","1") = "6"
    & skf18("2","5","2","1","5","8","1") = "7"
    & skf18("2","5","2","1","5","9","1") = "8"
    & skf18("2","5","2","1","5","10","1") = "9"
    & skf18("2","5","2","1","6","1","1") = "5"
    & skf18("2","5","2","1","6","2","1") = "5"
    & skf18("2","5","2","1","6","3","1") = "5"
    & skf18("2","5","2","1","6","4","1") = "5"
    & skf18("2","5","2","1","6","5","1") = "5"
    & skf18("2","5","2","1","6","6","1") = "5"
    & skf18("2","5","2","1","6","7","1") = "6"
    & skf18("2","5","2","1","6","8","1") = "7"
    & skf18("2","5","2","1","6","9","1") = "8"
    & skf18("2","5","2","1","6","10","1") = "9"
    & skf18("2","5","2","1","7","1","1") = "6"
    & skf18("2","5","2","1","7","2","1") = "6"
    & skf18("2","5","2","1","7","3","1") = "6"
    & skf18("2","5","2","1","7","4","1") = "6"
    & skf18("2","5","2","1","7","5","1") = "6"
    & skf18("2","5","2","1","7","6","1") = "6"
    & skf18("2","5","2","1","7","7","1") = "6"
    & skf18("2","5","2","1","7","8","1") = "7"
    & skf18("2","5","2","1","7","9","1") = "8"
    & skf18("2","5","2","1","7","10","1") = "9"
    & skf18("2","5","2","1","8","1","1") = "7"
    & skf18("2","5","2","1","8","2","1") = "7"
    & skf18("2","5","2","1","8","3","1") = "7"
    & skf18("2","5","2","1","8","4","1") = "7"
    & skf18("2","5","2","1","8","5","1") = "7"
    & skf18("2","5","2","1","8","6","1") = "7"
    & skf18("2","5","2","1","8","7","1") = "7"
    & skf18("2","5","2","1","8","8","1") = "7"
    & skf18("2","5","2","1","8","9","1") = "8"
    & skf18("2","5","2","1","8","10","1") = "9"
    & skf18("2","5","2","1","9","1","1") = "8"
    & skf18("2","5","2","1","9","2","1") = "8"
    & skf18("2","5","2","1","9","3","1") = "8"
    & skf18("2","5","2","1","9","4","1") = "8"
    & skf18("2","5","2","1","9","5","1") = "8"
    & skf18("2","5","2","1","9","6","1") = "8"
    & skf18("2","5","2","1","9","7","1") = "8"
    & skf18("2","5","2","1","9","8","1") = "8"
    & skf18("2","5","2","1","9","9","1") = "8"
    & skf18("2","5","2","1","9","10","1") = "9"
    & skf18("2","5","2","1","10","1","1") = "9"
    & skf18("2","5","2","1","10","2","1") = "9"
    & skf18("2","5","2","1","10","3","1") = "9"
    & skf18("2","5","2","1","10","4","1") = "9"
    & skf18("2","5","2","1","10","5","1") = "9"
    & skf18("2","5","2","1","10","6","1") = "9"
    & skf18("2","5","2","1","10","7","1") = "9"
    & skf18("2","5","2","1","10","8","1") = "9"
    & skf18("2","5","2","1","10","9","1") = "9"
    & skf18("2","5","2","1","10","10","1") = "9"
    & skf18("2","5","2","2","1","1","1") = "4"
    & skf18("2","5","2","2","1","2","1") = "4"
    & skf18("2","5","2","2","1","3","1") = "4"
    & skf18("2","5","2","2","1","4","1") = "4"
    & skf18("2","5","2","2","1","5","1") = "4"
    & skf18("2","5","2","2","1","6","1") = "5"
    & skf18("2","5","2","2","1","7","1") = "6"
    & skf18("2","5","2","2","1","8","1") = "7"
    & skf18("2","5","2","2","1","9","1") = "8"
    & skf18("2","5","2","2","1","10","1") = "9"
    & skf18("2","5","2","2","2","1","1") = "4"
    & skf18("2","5","2","2","2","2","1") = "4"
    & skf18("2","5","2","2","2","3","1") = "4"
    & skf18("2","5","2","2","2","4","1") = "4"
    & skf18("2","5","2","2","2","5","1") = "4"
    & skf18("2","5","2","2","2","6","1") = "5"
    & skf18("2","5","2","2","2","7","1") = "6"
    & skf18("2","5","2","2","2","8","1") = "7"
    & skf18("2","5","2","2","2","9","1") = "8"
    & skf18("2","5","2","2","2","10","1") = "9"
    & skf18("2","5","2","2","3","1","1") = "4"
    & skf18("2","5","2","2","3","2","1") = "4"
    & skf18("2","5","2","2","3","3","1") = "4"
    & skf18("2","5","2","2","3","4","1") = "4"
    & skf18("2","5","2","2","3","5","1") = "4"
    & skf18("2","5","2","2","3","6","1") = "5"
    & skf18("2","5","2","2","3","7","1") = "6"
    & skf18("2","5","2","2","3","8","1") = "7"
    & skf18("2","5","2","2","3","9","1") = "8"
    & skf18("2","5","2","2","3","10","1") = "9"
    & skf18("2","5","2","2","4","1","1") = "4"
    & skf18("2","5","2","2","4","2","1") = "4"
    & skf18("2","5","2","2","4","3","1") = "4"
    & skf18("2","5","2","2","4","4","1") = "4"
    & skf18("2","5","2","2","4","5","1") = "4"
    & skf18("2","5","2","2","4","6","1") = "5"
    & skf18("2","5","2","2","4","7","1") = "6"
    & skf18("2","5","2","2","4","8","1") = "7"
    & skf18("2","5","2","2","4","9","1") = "8"
    & skf18("2","5","2","2","4","10","1") = "9"
    & skf18("2","5","2","2","5","1","1") = "4"
    & skf18("2","5","2","2","5","2","1") = "4"
    & skf18("2","5","2","2","5","3","1") = "4"
    & skf18("2","5","2","2","5","4","1") = "4"
    & skf18("2","5","2","2","5","5","1") = "4"
    & skf18("2","5","2","2","5","6","1") = "5"
    & skf18("2","5","2","2","5","7","1") = "6"
    & skf18("2","5","2","2","5","8","1") = "7"
    & skf18("2","5","2","2","5","9","1") = "8"
    & skf18("2","5","2","2","5","10","1") = "9"
    & skf18("2","5","2","2","6","1","1") = "5"
    & skf18("2","5","2","2","6","2","1") = "5"
    & skf18("2","5","2","2","6","3","1") = "5"
    & skf18("2","5","2","2","6","4","1") = "5"
    & skf18("2","5","2","2","6","5","1") = "5"
    & skf18("2","5","2","2","6","6","1") = "5"
    & skf18("2","5","2","2","6","7","1") = "6"
    & skf18("2","5","2","2","6","8","1") = "7"
    & skf18("2","5","2","2","6","9","1") = "8"
    & skf18("2","5","2","2","6","10","1") = "9"
    & skf18("2","5","2","2","7","1","1") = "6"
    & skf18("2","5","2","2","7","2","1") = "6"
    & skf18("2","5","2","2","7","3","1") = "6"
    & skf18("2","5","2","2","7","4","1") = "6"
    & skf18("2","5","2","2","7","5","1") = "6"
    & skf18("2","5","2","2","7","6","1") = "6"
    & skf18("2","5","2","2","7","7","1") = "6"
    & skf18("2","5","2","2","7","8","1") = "7"
    & skf18("2","5","2","2","7","9","1") = "8"
    & skf18("2","5","2","2","7","10","1") = "9"
    & skf18("2","5","2","2","8","1","1") = "7"
    & skf18("2","5","2","2","8","2","1") = "7"
    & skf18("2","5","2","2","8","3","1") = "7"
    & skf18("2","5","2","2","8","4","1") = "7"
    & skf18("2","5","2","2","8","5","1") = "7"
    & skf18("2","5","2","2","8","6","1") = "7"
    & skf18("2","5","2","2","8","7","1") = "7"
    & skf18("2","5","2","2","8","8","1") = "7"
    & skf18("2","5","2","2","8","9","1") = "8"
    & skf18("2","5","2","2","8","10","1") = "9"
    & skf18("2","5","2","2","9","1","1") = "8"
    & skf18("2","5","2","2","9","2","1") = "8"
    & skf18("2","5","2","2","9","3","1") = "8"
    & skf18("2","5","2","2","9","4","1") = "8"
    & skf18("2","5","2","2","9","5","1") = "8"
    & skf18("2","5","2","2","9","6","1") = "8"
    & skf18("2","5","2","2","9","7","1") = "8"
    & skf18("2","5","2","2","9","8","1") = "8"
    & skf18("2","5","2","2","9","9","1") = "8"
    & skf18("2","5","2","2","9","10","1") = "9"
    & skf18("2","5","2","2","10","1","1") = "9"
    & skf18("2","5","2","2","10","2","1") = "9"
    & skf18("2","5","2","2","10","3","1") = "9"
    & skf18("2","5","2","2","10","4","1") = "9"
    & skf18("2","5","2","2","10","5","1") = "9"
    & skf18("2","5","2","2","10","6","1") = "9"
    & skf18("2","5","2","2","10","7","1") = "9"
    & skf18("2","5","2","2","10","8","1") = "9"
    & skf18("2","5","2","2","10","9","1") = "9"
    & skf18("2","5","2","2","10","10","1") = "9"
    & skf18("2","5","2","3","1","1","1") = "4"
    & skf18("2","5","2","3","1","2","1") = "4"
    & skf18("2","5","2","3","1","3","1") = "4"
    & skf18("2","5","2","3","1","4","1") = "4"
    & skf18("2","5","2","3","1","5","1") = "4"
    & skf18("2","5","2","3","1","6","1") = "5"
    & skf18("2","5","2","3","1","7","1") = "6"
    & skf18("2","5","2","3","1","8","1") = "7"
    & skf18("2","5","2","3","1","9","1") = "8"
    & skf18("2","5","2","3","1","10","1") = "9"
    & skf18("2","5","2","3","2","1","1") = "4"
    & skf18("2","5","2","3","2","2","1") = "4"
    & skf18("2","5","2","3","2","3","1") = "4"
    & skf18("2","5","2","3","2","4","1") = "4"
    & skf18("2","5","2","3","2","5","1") = "4"
    & skf18("2","5","2","3","2","6","1") = "5"
    & skf18("2","5","2","3","2","7","1") = "6"
    & skf18("2","5","2","3","2","8","1") = "7"
    & skf18("2","5","2","3","2","9","1") = "8"
    & skf18("2","5","2","3","2","10","1") = "9"
    & skf18("2","5","2","3","3","1","1") = "4"
    & skf18("2","5","2","3","3","2","1") = "4"
    & skf18("2","5","2","3","3","3","1") = "4"
    & skf18("2","5","2","3","3","4","1") = "4"
    & skf18("2","5","2","3","3","5","1") = "4"
    & skf18("2","5","2","3","3","6","1") = "5"
    & skf18("2","5","2","3","3","7","1") = "6"
    & skf18("2","5","2","3","3","8","1") = "7"
    & skf18("2","5","2","3","3","9","1") = "8"
    & skf18("2","5","2","3","3","10","1") = "9"
    & skf18("2","5","2","3","4","1","1") = "4"
    & skf18("2","5","2","3","4","2","1") = "4"
    & skf18("2","5","2","3","4","3","1") = "4"
    & skf18("2","5","2","3","4","4","1") = "4"
    & skf18("2","5","2","3","4","5","1") = "4"
    & skf18("2","5","2","3","4","6","1") = "5"
    & skf18("2","5","2","3","4","7","1") = "6"
    & skf18("2","5","2","3","4","8","1") = "7"
    & skf18("2","5","2","3","4","9","1") = "8"
    & skf18("2","5","2","3","4","10","1") = "9"
    & skf18("2","5","2","3","5","1","1") = "4"
    & skf18("2","5","2","3","5","2","1") = "4"
    & skf18("2","5","2","3","5","3","1") = "4"
    & skf18("2","5","2","3","5","4","1") = "4"
    & skf18("2","5","2","3","5","5","1") = "4"
    & skf18("2","5","2","3","5","6","1") = "5"
    & skf18("2","5","2","3","5","7","1") = "6"
    & skf18("2","5","2","3","5","8","1") = "7"
    & skf18("2","5","2","3","5","9","1") = "8"
    & skf18("2","5","2","3","5","10","1") = "9"
    & skf18("2","5","2","3","6","1","1") = "5"
    & skf18("2","5","2","3","6","2","1") = "5"
    & skf18("2","5","2","3","6","3","1") = "5"
    & skf18("2","5","2","3","6","4","1") = "5"
    & skf18("2","5","2","3","6","5","1") = "5"
    & skf18("2","5","2","3","6","6","1") = "5"
    & skf18("2","5","2","3","6","7","1") = "6"
    & skf18("2","5","2","3","6","8","1") = "7"
    & skf18("2","5","2","3","6","9","1") = "8"
    & skf18("2","5","2","3","6","10","1") = "9"
    & skf18("2","5","2","3","7","1","1") = "6"
    & skf18("2","5","2","3","7","2","1") = "6"
    & skf18("2","5","2","3","7","3","1") = "6"
    & skf18("2","5","2","3","7","4","1") = "6"
    & skf18("2","5","2","3","7","5","1") = "6"
    & skf18("2","5","2","3","7","6","1") = "6"
    & skf18("2","5","2","3","7","7","1") = "6"
    & skf18("2","5","2","3","7","8","1") = "7"
    & skf18("2","5","2","3","7","9","1") = "8"
    & skf18("2","5","2","3","7","10","1") = "9"
    & skf18("2","5","2","3","8","1","1") = "7"
    & skf18("2","5","2","3","8","2","1") = "7"
    & skf18("2","5","2","3","8","3","1") = "7"
    & skf18("2","5","2","3","8","4","1") = "7"
    & skf18("2","5","2","3","8","5","1") = "7"
    & skf18("2","5","2","3","8","6","1") = "7"
    & skf18("2","5","2","3","8","7","1") = "7"
    & skf18("2","5","2","3","8","8","1") = "7"
    & skf18("2","5","2","3","8","9","1") = "8"
    & skf18("2","5","2","3","8","10","1") = "9"
    & skf18("2","5","2","3","9","1","1") = "8"
    & skf18("2","5","2","3","9","2","1") = "8"
    & skf18("2","5","2","3","9","3","1") = "8"
    & skf18("2","5","2","3","9","4","1") = "8"
    & skf18("2","5","2","3","9","5","1") = "8"
    & skf18("2","5","2","3","9","6","1") = "8"
    & skf18("2","5","2","3","9","7","1") = "8"
    & skf18("2","5","2","3","9","8","1") = "8"
    & skf18("2","5","2","3","9","9","1") = "8"
    & skf18("2","5","2","3","9","10","1") = "9"
    & skf18("2","5","2","3","10","1","1") = "9"
    & skf18("2","5","2","3","10","2","1") = "9"
    & skf18("2","5","2","3","10","3","1") = "9"
    & skf18("2","5","2","3","10","4","1") = "9"
    & skf18("2","5","2","3","10","5","1") = "9"
    & skf18("2","5","2","3","10","6","1") = "9"
    & skf18("2","5","2","3","10","7","1") = "9"
    & skf18("2","5","2","3","10","8","1") = "9"
    & skf18("2","5","2","3","10","9","1") = "9"
    & skf18("2","5","2","3","10","10","1") = "9"
    & skf18("2","5","2","4","1","1","1") = "4"
    & skf18("2","5","2","4","1","2","1") = "4"
    & skf18("2","5","2","4","1","3","1") = "4"
    & skf18("2","5","2","4","1","4","1") = "4"
    & skf18("2","5","2","4","1","5","1") = "4"
    & skf18("2","5","2","4","1","6","1") = "5"
    & skf18("2","5","2","4","1","7","1") = "6"
    & skf18("2","5","2","4","1","8","1") = "7"
    & skf18("2","5","2","4","1","9","1") = "8"
    & skf18("2","5","2","4","1","10","1") = "9"
    & skf18("2","5","2","4","2","1","1") = "4"
    & skf18("2","5","2","4","2","2","1") = "4"
    & skf18("2","5","2","4","2","3","1") = "4"
    & skf18("2","5","2","4","2","4","1") = "4"
    & skf18("2","5","2","4","2","5","1") = "4"
    & skf18("2","5","2","4","2","6","1") = "5"
    & skf18("2","5","2","4","2","7","1") = "6"
    & skf18("2","5","2","4","2","8","1") = "7"
    & skf18("2","5","2","4","2","9","1") = "8"
    & skf18("2","5","2","4","2","10","1") = "9"
    & skf18("2","5","2","4","3","1","1") = "4"
    & skf18("2","5","2","4","3","2","1") = "4"
    & skf18("2","5","2","4","3","3","1") = "4"
    & skf18("2","5","2","4","3","4","1") = "4"
    & skf18("2","5","2","4","3","5","1") = "4"
    & skf18("2","5","2","4","3","6","1") = "5"
    & skf18("2","5","2","4","3","7","1") = "6"
    & skf18("2","5","2","4","3","8","1") = "7"
    & skf18("2","5","2","4","3","9","1") = "8"
    & skf18("2","5","2","4","3","10","1") = "9"
    & skf18("2","5","2","4","4","1","1") = "4"
    & skf18("2","5","2","4","4","2","1") = "4"
    & skf18("2","5","2","4","4","3","1") = "4"
    & skf18("2","5","2","4","4","4","1") = "4"
    & skf18("2","5","2","4","4","5","1") = "4"
    & skf18("2","5","2","4","4","6","1") = "5"
    & skf18("2","5","2","4","4","7","1") = "6"
    & skf18("2","5","2","4","4","8","1") = "7"
    & skf18("2","5","2","4","4","9","1") = "8"
    & skf18("2","5","2","4","4","10","1") = "9"
    & skf18("2","5","2","4","5","1","1") = "4"
    & skf18("2","5","2","4","5","2","1") = "4"
    & skf18("2","5","2","4","5","3","1") = "4"
    & skf18("2","5","2","4","5","4","1") = "4"
    & skf18("2","5","2","4","5","5","1") = "4"
    & skf18("2","5","2","4","5","6","1") = "5"
    & skf18("2","5","2","4","5","7","1") = "6"
    & skf18("2","5","2","4","5","8","1") = "7"
    & skf18("2","5","2","4","5","9","1") = "8"
    & skf18("2","5","2","4","5","10","1") = "9"
    & skf18("2","5","2","4","6","1","1") = "5"
    & skf18("2","5","2","4","6","2","1") = "5"
    & skf18("2","5","2","4","6","3","1") = "5"
    & skf18("2","5","2","4","6","4","1") = "5"
    & skf18("2","5","2","4","6","5","1") = "5"
    & skf18("2","5","2","4","6","6","1") = "5"
    & skf18("2","5","2","4","6","7","1") = "6"
    & skf18("2","5","2","4","6","8","1") = "7"
    & skf18("2","5","2","4","6","9","1") = "8"
    & skf18("2","5","2","4","6","10","1") = "9"
    & skf18("2","5","2","4","7","1","1") = "6"
    & skf18("2","5","2","4","7","2","1") = "6"
    & skf18("2","5","2","4","7","3","1") = "6"
    & skf18("2","5","2","4","7","4","1") = "6"
    & skf18("2","5","2","4","7","5","1") = "6"
    & skf18("2","5","2","4","7","6","1") = "6"
    & skf18("2","5","2","4","7","7","1") = "6"
    & skf18("2","5","2","4","7","8","1") = "7"
    & skf18("2","5","2","4","7","9","1") = "8"
    & skf18("2","5","2","4","7","10","1") = "9"
    & skf18("2","5","2","4","8","1","1") = "7"
    & skf18("2","5","2","4","8","2","1") = "7"
    & skf18("2","5","2","4","8","3","1") = "7"
    & skf18("2","5","2","4","8","4","1") = "7"
    & skf18("2","5","2","4","8","5","1") = "7"
    & skf18("2","5","2","4","8","6","1") = "7"
    & skf18("2","5","2","4","8","7","1") = "7"
    & skf18("2","5","2","4","8","8","1") = "7"
    & skf18("2","5","2","4","8","9","1") = "8"
    & skf18("2","5","2","4","8","10","1") = "9"
    & skf18("2","5","2","4","9","1","1") = "8"
    & skf18("2","5","2","4","9","2","1") = "8"
    & skf18("2","5","2","4","9","3","1") = "8"
    & skf18("2","5","2","4","9","4","1") = "8"
    & skf18("2","5","2","4","9","5","1") = "8"
    & skf18("2","5","2","4","9","6","1") = "8"
    & skf18("2","5","2","4","9","7","1") = "8"
    & skf18("2","5","2","4","9","8","1") = "8"
    & skf18("2","5","2","4","9","9","1") = "8"
    & skf18("2","5","2","4","9","10","1") = "9"
    & skf18("2","5","2","4","10","1","1") = "9"
    & skf18("2","5","2","4","10","2","1") = "9"
    & skf18("2","5","2","4","10","3","1") = "9"
    & skf18("2","5","2","4","10","4","1") = "9"
    & skf18("2","5","2","4","10","5","1") = "9"
    & skf18("2","5","2","4","10","6","1") = "9"
    & skf18("2","5","2","4","10","7","1") = "9"
    & skf18("2","5","2","4","10","8","1") = "9"
    & skf18("2","5","2","4","10","9","1") = "9"
    & skf18("2","5","2","4","10","10","1") = "9"
    & skf18("2","5","2","5","1","1","1") = "4"
    & skf18("2","5","2","5","1","2","1") = "4"
    & skf18("2","5","2","5","1","3","1") = "4"
    & skf18("2","5","2","5","1","4","1") = "4"
    & skf18("2","5","2","5","1","5","1") = "4"
    & skf18("2","5","2","5","1","6","1") = "5"
    & skf18("2","5","2","5","1","7","1") = "6"
    & skf18("2","5","2","5","1","8","1") = "7"
    & skf18("2","5","2","5","1","9","1") = "8"
    & skf18("2","5","2","5","1","10","1") = "9"
    & skf18("2","5","2","5","2","1","1") = "4"
    & skf18("2","5","2","5","2","2","1") = "4"
    & skf18("2","5","2","5","2","3","1") = "4"
    & skf18("2","5","2","5","2","4","1") = "4"
    & skf18("2","5","2","5","2","5","1") = "4"
    & skf18("2","5","2","5","2","6","1") = "5"
    & skf18("2","5","2","5","2","7","1") = "6"
    & skf18("2","5","2","5","2","8","1") = "7"
    & skf18("2","5","2","5","2","9","1") = "8"
    & skf18("2","5","2","5","2","10","1") = "9"
    & skf18("2","5","2","5","3","1","1") = "4"
    & skf18("2","5","2","5","3","2","1") = "4"
    & skf18("2","5","2","5","3","3","1") = "4"
    & skf18("2","5","2","5","3","4","1") = "4"
    & skf18("2","5","2","5","3","5","1") = "4"
    & skf18("2","5","2","5","3","6","1") = "5"
    & skf18("2","5","2","5","3","7","1") = "6"
    & skf18("2","5","2","5","3","8","1") = "7"
    & skf18("2","5","2","5","3","9","1") = "8"
    & skf18("2","5","2","5","3","10","1") = "9"
    & skf18("2","5","2","5","4","1","1") = "4"
    & skf18("2","5","2","5","4","2","1") = "4"
    & skf18("2","5","2","5","4","3","1") = "4"
    & skf18("2","5","2","5","4","4","1") = "4"
    & skf18("2","5","2","5","4","5","1") = "4"
    & skf18("2","5","2","5","4","6","1") = "5"
    & skf18("2","5","2","5","4","7","1") = "6"
    & skf18("2","5","2","5","4","8","1") = "7"
    & skf18("2","5","2","5","4","9","1") = "8"
    & skf18("2","5","2","5","4","10","1") = "9"
    & skf18("2","5","2","5","5","1","1") = "4"
    & skf18("2","5","2","5","5","2","1") = "4"
    & skf18("2","5","2","5","5","3","1") = "4"
    & skf18("2","5","2","5","5","4","1") = "4"
    & skf18("2","5","2","5","5","5","1") = "4"
    & skf18("2","5","2","5","5","6","1") = "5"
    & skf18("2","5","2","5","5","7","1") = "6"
    & skf18("2","5","2","5","5","8","1") = "7"
    & skf18("2","5","2","5","5","9","1") = "8"
    & skf18("2","5","2","5","5","10","1") = "9"
    & skf18("2","5","2","5","6","1","1") = "5"
    & skf18("2","5","2","5","6","2","1") = "5"
    & skf18("2","5","2","5","6","3","1") = "5"
    & skf18("2","5","2","5","6","4","1") = "5"
    & skf18("2","5","2","5","6","5","1") = "5"
    & skf18("2","5","2","5","6","6","1") = "5"
    & skf18("2","5","2","5","6","7","1") = "6"
    & skf18("2","5","2","5","6","8","1") = "7"
    & skf18("2","5","2","5","6","9","1") = "8"
    & skf18("2","5","2","5","6","10","1") = "9"
    & skf18("2","5","2","5","7","1","1") = "6"
    & skf18("2","5","2","5","7","2","1") = "6"
    & skf18("2","5","2","5","7","3","1") = "6"
    & skf18("2","5","2","5","7","4","1") = "6"
    & skf18("2","5","2","5","7","5","1") = "6"
    & skf18("2","5","2","5","7","6","1") = "6"
    & skf18("2","5","2","5","7","7","1") = "6"
    & skf18("2","5","2","5","7","8","1") = "7"
    & skf18("2","5","2","5","7","9","1") = "8"
    & skf18("2","5","2","5","7","10","1") = "9"
    & skf18("2","5","2","5","8","1","1") = "7"
    & skf18("2","5","2","5","8","2","1") = "7"
    & skf18("2","5","2","5","8","3","1") = "7"
    & skf18("2","5","2","5","8","4","1") = "7"
    & skf18("2","5","2","5","8","5","1") = "7"
    & skf18("2","5","2","5","8","6","1") = "7"
    & skf18("2","5","2","5","8","7","1") = "7"
    & skf18("2","5","2","5","8","8","1") = "7"
    & skf18("2","5","2","5","8","9","1") = "8"
    & skf18("2","5","2","5","8","10","1") = "9"
    & skf18("2","5","2","5","9","1","1") = "8"
    & skf18("2","5","2","5","9","2","1") = "8"
    & skf18("2","5","2","5","9","3","1") = "8"
    & skf18("2","5","2","5","9","4","1") = "8"
    & skf18("2","5","2","5","9","5","1") = "8"
    & skf18("2","5","2","5","9","6","1") = "8"
    & skf18("2","5","2","5","9","7","1") = "8"
    & skf18("2","5","2","5","9","8","1") = "8"
    & skf18("2","5","2","5","9","9","1") = "8"
    & skf18("2","5","2","5","9","10","1") = "9"
    & skf18("2","5","2","5","10","1","1") = "9"
    & skf18("2","5","2","5","10","2","1") = "9"
    & skf18("2","5","2","5","10","3","1") = "9"
    & skf18("2","5","2","5","10","4","1") = "9"
    & skf18("2","5","2","5","10","5","1") = "9"
    & skf18("2","5","2","5","10","6","1") = "9"
    & skf18("2","5","2","5","10","7","1") = "9"
    & skf18("2","5","2","5","10","8","1") = "9"
    & skf18("2","5","2","5","10","9","1") = "9"
    & skf18("2","5","2","5","10","10","1") = "9"
    & skf18("2","5","2","6","1","1","1") = "5"
    & skf18("2","5","2","6","1","2","1") = "5"
    & skf18("2","5","2","6","1","3","1") = "5"
    & skf18("2","5","2","6","1","4","1") = "5"
    & skf18("2","5","2","6","1","5","1") = "5"
    & skf18("2","5","2","6","1","6","1") = "5"
    & skf18("2","5","2","6","1","7","1") = "6"
    & skf18("2","5","2","6","1","8","1") = "7"
    & skf18("2","5","2","6","1","9","1") = "8"
    & skf18("2","5","2","6","1","10","1") = "9"
    & skf18("2","5","2","6","2","1","1") = "5"
    & skf18("2","5","2","6","2","2","1") = "5"
    & skf18("2","5","2","6","2","3","1") = "5"
    & skf18("2","5","2","6","2","4","1") = "5"
    & skf18("2","5","2","6","2","5","1") = "5"
    & skf18("2","5","2","6","2","6","1") = "5"
    & skf18("2","5","2","6","2","7","1") = "6"
    & skf18("2","5","2","6","2","8","1") = "7"
    & skf18("2","5","2","6","2","9","1") = "8"
    & skf18("2","5","2","6","2","10","1") = "9"
    & skf18("2","5","2","6","3","1","1") = "5"
    & skf18("2","5","2","6","3","2","1") = "5"
    & skf18("2","5","2","6","3","3","1") = "5"
    & skf18("2","5","2","6","3","4","1") = "5"
    & skf18("2","5","2","6","3","5","1") = "5"
    & skf18("2","5","2","6","3","6","1") = "5"
    & skf18("2","5","2","6","3","7","1") = "6"
    & skf18("2","5","2","6","3","8","1") = "7"
    & skf18("2","5","2","6","3","9","1") = "8"
    & skf18("2","5","2","6","3","10","1") = "9"
    & skf18("2","5","2","6","4","1","1") = "5"
    & skf18("2","5","2","6","4","2","1") = "5"
    & skf18("2","5","2","6","4","3","1") = "5"
    & skf18("2","5","2","6","4","4","1") = "5"
    & skf18("2","5","2","6","4","5","1") = "5"
    & skf18("2","5","2","6","4","6","1") = "5"
    & skf18("2","5","2","6","4","7","1") = "6"
    & skf18("2","5","2","6","4","8","1") = "7"
    & skf18("2","5","2","6","4","9","1") = "8"
    & skf18("2","5","2","6","4","10","1") = "9"
    & skf18("2","5","2","6","5","1","1") = "5"
    & skf18("2","5","2","6","5","2","1") = "5"
    & skf18("2","5","2","6","5","3","1") = "5"
    & skf18("2","5","2","6","5","4","1") = "5"
    & skf18("2","5","2","6","5","5","1") = "5"
    & skf18("2","5","2","6","5","6","1") = "5"
    & skf18("2","5","2","6","5","7","1") = "6"
    & skf18("2","5","2","6","5","8","1") = "7"
    & skf18("2","5","2","6","5","9","1") = "8"
    & skf18("2","5","2","6","5","10","1") = "9"
    & skf18("2","5","2","6","6","1","1") = "5"
    & skf18("2","5","2","6","6","2","1") = "5"
    & skf18("2","5","2","6","6","3","1") = "5"
    & skf18("2","5","2","6","6","4","1") = "5"
    & skf18("2","5","2","6","6","5","1") = "5"
    & skf18("2","5","2","6","6","6","1") = "5"
    & skf18("2","5","2","6","6","7","1") = "6"
    & skf18("2","5","2","6","6","8","1") = "7"
    & skf18("2","5","2","6","6","9","1") = "8"
    & skf18("2","5","2","6","6","10","1") = "9"
    & skf18("2","5","2","6","7","1","1") = "6"
    & skf18("2","5","2","6","7","2","1") = "6"
    & skf18("2","5","2","6","7","3","1") = "6"
    & skf18("2","5","2","6","7","4","1") = "6"
    & skf18("2","5","2","6","7","5","1") = "6"
    & skf18("2","5","2","6","7","6","1") = "6"
    & skf18("2","5","2","6","7","7","1") = "6"
    & skf18("2","5","2","6","7","8","1") = "7"
    & skf18("2","5","2","6","7","9","1") = "8"
    & skf18("2","5","2","6","7","10","1") = "9"
    & skf18("2","5","2","6","8","1","1") = "7"
    & skf18("2","5","2","6","8","2","1") = "7"
    & skf18("2","5","2","6","8","3","1") = "7"
    & skf18("2","5","2","6","8","4","1") = "7"
    & skf18("2","5","2","6","8","5","1") = "7"
    & skf18("2","5","2","6","8","6","1") = "7"
    & skf18("2","5","2","6","8","7","1") = "7"
    & skf18("2","5","2","6","8","8","1") = "7"
    & skf18("2","5","2","6","8","9","1") = "8"
    & skf18("2","5","2","6","8","10","1") = "9"
    & skf18("2","5","2","6","9","1","1") = "8"
    & skf18("2","5","2","6","9","2","1") = "8"
    & skf18("2","5","2","6","9","3","1") = "8"
    & skf18("2","5","2","6","9","4","1") = "8"
    & skf18("2","5","2","6","9","5","1") = "8"
    & skf18("2","5","2","6","9","6","1") = "8"
    & skf18("2","5","2","6","9","7","1") = "8"
    & skf18("2","5","2","6","9","8","1") = "8"
    & skf18("2","5","2","6","9","9","1") = "8"
    & skf18("2","5","2","6","9","10","1") = "9"
    & skf18("2","5","2","6","10","1","1") = "9"
    & skf18("2","5","2","6","10","2","1") = "9"
    & skf18("2","5","2","6","10","3","1") = "9"
    & skf18("2","5","2","6","10","4","1") = "9"
    & skf18("2","5","2","6","10","5","1") = "9"
    & skf18("2","5","2","6","10","6","1") = "9"
    & skf18("2","5","2","6","10","7","1") = "9"
    & skf18("2","5","2","6","10","8","1") = "9"
    & skf18("2","5","2","6","10","9","1") = "9"
    & skf18("2","5","2","6","10","10","1") = "9"
    & skf18("2","5","2","7","1","1","1") = "6"
    & skf18("2","5","2","7","1","2","1") = "6"
    & skf18("2","5","2","7","1","3","1") = "6"
    & skf18("2","5","2","7","1","4","1") = "6"
    & skf18("2","5","2","7","1","5","1") = "6"
    & skf18("2","5","2","7","1","6","1") = "6"
    & skf18("2","5","2","7","1","7","1") = "6"
    & skf18("2","5","2","7","1","8","1") = "7"
    & skf18("2","5","2","7","1","9","1") = "8"
    & skf18("2","5","2","7","1","10","1") = "9"
    & skf18("2","5","2","7","2","1","1") = "6"
    & skf18("2","5","2","7","2","2","1") = "6"
    & skf18("2","5","2","7","2","3","1") = "6"
    & skf18("2","5","2","7","2","4","1") = "6"
    & skf18("2","5","2","7","2","5","1") = "6"
    & skf18("2","5","2","7","2","6","1") = "6"
    & skf18("2","5","2","7","2","7","1") = "6"
    & skf18("2","5","2","7","2","8","1") = "7"
    & skf18("2","5","2","7","2","9","1") = "8"
    & skf18("2","5","2","7","2","10","1") = "9"
    & skf18("2","5","2","7","3","1","1") = "6"
    & skf18("2","5","2","7","3","2","1") = "6"
    & skf18("2","5","2","7","3","3","1") = "6"
    & skf18("2","5","2","7","3","4","1") = "6"
    & skf18("2","5","2","7","3","5","1") = "6"
    & skf18("2","5","2","7","3","6","1") = "6"
    & skf18("2","5","2","7","3","7","1") = "6"
    & skf18("2","5","2","7","3","8","1") = "7"
    & skf18("2","5","2","7","3","9","1") = "8"
    & skf18("2","5","2","7","3","10","1") = "9"
    & skf18("2","5","2","7","4","1","1") = "6"
    & skf18("2","5","2","7","4","2","1") = "6"
    & skf18("2","5","2","7","4","3","1") = "6"
    & skf18("2","5","2","7","4","4","1") = "6"
    & skf18("2","5","2","7","4","5","1") = "6"
    & skf18("2","5","2","7","4","6","1") = "6"
    & skf18("2","5","2","7","4","7","1") = "6"
    & skf18("2","5","2","7","4","8","1") = "7"
    & skf18("2","5","2","7","4","9","1") = "8"
    & skf18("2","5","2","7","4","10","1") = "9"
    & skf18("2","5","2","7","5","1","1") = "6"
    & skf18("2","5","2","7","5","2","1") = "6"
    & skf18("2","5","2","7","5","3","1") = "6"
    & skf18("2","5","2","7","5","4","1") = "6"
    & skf18("2","5","2","7","5","5","1") = "6"
    & skf18("2","5","2","7","5","6","1") = "6"
    & skf18("2","5","2","7","5","7","1") = "6"
    & skf18("2","5","2","7","5","8","1") = "7"
    & skf18("2","5","2","7","5","9","1") = "8"
    & skf18("2","5","2","7","5","10","1") = "9"
    & skf18("2","5","2","7","6","1","1") = "6"
    & skf18("2","5","2","7","6","2","1") = "6"
    & skf18("2","5","2","7","6","3","1") = "6"
    & skf18("2","5","2","7","6","4","1") = "6"
    & skf18("2","5","2","7","6","5","1") = "6"
    & skf18("2","5","2","7","6","6","1") = "6"
    & skf18("2","5","2","7","6","7","1") = "6"
    & skf18("2","5","2","7","6","8","1") = "7"
    & skf18("2","5","2","7","6","9","1") = "8"
    & skf18("2","5","2","7","6","10","1") = "9"
    & skf18("2","5","2","7","7","1","1") = "6"
    & skf18("2","5","2","7","7","2","1") = "6"
    & skf18("2","5","2","7","7","3","1") = "6"
    & skf18("2","5","2","7","7","4","1") = "6"
    & skf18("2","5","2","7","7","5","1") = "6"
    & skf18("2","5","2","7","7","6","1") = "6"
    & skf18("2","5","2","7","7","7","1") = "6"
    & skf18("2","5","2","7","7","8","1") = "7"
    & skf18("2","5","2","7","7","9","1") = "8"
    & skf18("2","5","2","7","7","10","1") = "9"
    & skf18("2","5","2","7","8","1","1") = "7"
    & skf18("2","5","2","7","8","2","1") = "7"
    & skf18("2","5","2","7","8","3","1") = "7"
    & skf18("2","5","2","7","8","4","1") = "7"
    & skf18("2","5","2","7","8","5","1") = "7"
    & skf18("2","5","2","7","8","6","1") = "7"
    & skf18("2","5","2","7","8","7","1") = "7"
    & skf18("2","5","2","7","8","8","1") = "7"
    & skf18("2","5","2","7","8","9","1") = "8"
    & skf18("2","5","2","7","8","10","1") = "9"
    & skf18("2","5","2","7","9","1","1") = "8"
    & skf18("2","5","2","7","9","2","1") = "8"
    & skf18("2","5","2","7","9","3","1") = "8"
    & skf18("2","5","2","7","9","4","1") = "8"
    & skf18("2","5","2","7","9","5","1") = "8"
    & skf18("2","5","2","7","9","6","1") = "8"
    & skf18("2","5","2","7","9","7","1") = "8"
    & skf18("2","5","2","7","9","8","1") = "8"
    & skf18("2","5","2","7","9","9","1") = "8"
    & skf18("2","5","2","7","9","10","1") = "9"
    & skf18("2","5","2","7","10","1","1") = "9"
    & skf18("2","5","2","7","10","2","1") = "9"
    & skf18("2","5","2","7","10","3","1") = "9"
    & skf18("2","5","2","7","10","4","1") = "9"
    & skf18("2","5","2","7","10","5","1") = "9"
    & skf18("2","5","2","7","10","6","1") = "9"
    & skf18("2","5","2","7","10","7","1") = "9"
    & skf18("2","5","2","7","10","8","1") = "9"
    & skf18("2","5","2","7","10","9","1") = "9"
    & skf18("2","5","2","7","10","10","1") = "9"
    & skf18("2","5","2","8","1","1","1") = "7"
    & skf18("2","5","2","8","1","2","1") = "7"
    & skf18("2","5","2","8","1","3","1") = "7"
    & skf18("2","5","2","8","1","4","1") = "7"
    & skf18("2","5","2","8","1","5","1") = "7"
    & skf18("2","5","2","8","1","6","1") = "7"
    & skf18("2","5","2","8","1","7","1") = "7"
    & skf18("2","5","2","8","1","8","1") = "7"
    & skf18("2","5","2","8","1","9","1") = "8"
    & skf18("2","5","2","8","1","10","1") = "9"
    & skf18("2","5","2","8","2","1","1") = "7"
    & skf18("2","5","2","8","2","2","1") = "7"
    & skf18("2","5","2","8","2","3","1") = "7"
    & skf18("2","5","2","8","2","4","1") = "7"
    & skf18("2","5","2","8","2","5","1") = "7"
    & skf18("2","5","2","8","2","6","1") = "7"
    & skf18("2","5","2","8","2","7","1") = "7"
    & skf18("2","5","2","8","2","8","1") = "7"
    & skf18("2","5","2","8","2","9","1") = "8"
    & skf18("2","5","2","8","2","10","1") = "9"
    & skf18("2","5","2","8","3","1","1") = "7"
    & skf18("2","5","2","8","3","2","1") = "7"
    & skf18("2","5","2","8","3","3","1") = "7"
    & skf18("2","5","2","8","3","4","1") = "7"
    & skf18("2","5","2","8","3","5","1") = "7"
    & skf18("2","5","2","8","3","6","1") = "7"
    & skf18("2","5","2","8","3","7","1") = "7"
    & skf18("2","5","2","8","3","8","1") = "7"
    & skf18("2","5","2","8","3","9","1") = "8"
    & skf18("2","5","2","8","3","10","1") = "9"
    & skf18("2","5","2","8","4","1","1") = "7"
    & skf18("2","5","2","8","4","2","1") = "7"
    & skf18("2","5","2","8","4","3","1") = "7"
    & skf18("2","5","2","8","4","4","1") = "7"
    & skf18("2","5","2","8","4","5","1") = "7"
    & skf18("2","5","2","8","4","6","1") = "7"
    & skf18("2","5","2","8","4","7","1") = "7"
    & skf18("2","5","2","8","4","8","1") = "7"
    & skf18("2","5","2","8","4","9","1") = "8"
    & skf18("2","5","2","8","4","10","1") = "9"
    & skf18("2","5","2","8","5","1","1") = "7"
    & skf18("2","5","2","8","5","2","1") = "7"
    & skf18("2","5","2","8","5","3","1") = "7"
    & skf18("2","5","2","8","5","4","1") = "7"
    & skf18("2","5","2","8","5","5","1") = "7"
    & skf18("2","5","2","8","5","6","1") = "7"
    & skf18("2","5","2","8","5","7","1") = "7"
    & skf18("2","5","2","8","5","8","1") = "7"
    & skf18("2","5","2","8","5","9","1") = "8"
    & skf18("2","5","2","8","5","10","1") = "9"
    & skf18("2","5","2","8","6","1","1") = "7"
    & skf18("2","5","2","8","6","2","1") = "7"
    & skf18("2","5","2","8","6","3","1") = "7"
    & skf18("2","5","2","8","6","4","1") = "7"
    & skf18("2","5","2","8","6","5","1") = "7"
    & skf18("2","5","2","8","6","6","1") = "7"
    & skf18("2","5","2","8","6","7","1") = "7"
    & skf18("2","5","2","8","6","8","1") = "7"
    & skf18("2","5","2","8","6","9","1") = "8"
    & skf18("2","5","2","8","6","10","1") = "9"
    & skf18("2","5","2","8","7","1","1") = "7"
    & skf18("2","5","2","8","7","2","1") = "7"
    & skf18("2","5","2","8","7","3","1") = "7"
    & skf18("2","5","2","8","7","4","1") = "7"
    & skf18("2","5","2","8","7","5","1") = "7"
    & skf18("2","5","2","8","7","6","1") = "7"
    & skf18("2","5","2","8","7","7","1") = "7"
    & skf18("2","5","2","8","7","8","1") = "7"
    & skf18("2","5","2","8","7","9","1") = "8"
    & skf18("2","5","2","8","7","10","1") = "9"
    & skf18("2","5","2","8","8","1","1") = "7"
    & skf18("2","5","2","8","8","2","1") = "7"
    & skf18("2","5","2","8","8","3","1") = "7"
    & skf18("2","5","2","8","8","4","1") = "7"
    & skf18("2","5","2","8","8","5","1") = "7"
    & skf18("2","5","2","8","8","6","1") = "7"
    & skf18("2","5","2","8","8","7","1") = "7"
    & skf18("2","5","2","8","8","8","1") = "7"
    & skf18("2","5","2","8","8","9","1") = "8"
    & skf18("2","5","2","8","8","10","1") = "9"
    & skf18("2","5","2","8","9","1","1") = "8"
    & skf18("2","5","2","8","9","2","1") = "8"
    & skf18("2","5","2","8","9","3","1") = "8"
    & skf18("2","5","2","8","9","4","1") = "8"
    & skf18("2","5","2","8","9","5","1") = "8"
    & skf18("2","5","2","8","9","6","1") = "8"
    & skf18("2","5","2","8","9","7","1") = "8"
    & skf18("2","5","2","8","9","8","1") = "8"
    & skf18("2","5","2","8","9","9","1") = "8"
    & skf18("2","5","2","8","9","10","1") = "9"
    & skf18("2","5","2","8","10","1","1") = "9"
    & skf18("2","5","2","8","10","2","1") = "9"
    & skf18("2","5","2","8","10","3","1") = "9"
    & skf18("2","5","2","8","10","4","1") = "9"
    & skf18("2","5","2","8","10","5","1") = "9"
    & skf18("2","5","2","8","10","6","1") = "9"
    & skf18("2","5","2","8","10","7","1") = "9"
    & skf18("2","5","2","8","10","8","1") = "9"
    & skf18("2","5","2","8","10","9","1") = "9"
    & skf18("2","5","2","8","10","10","1") = "9"
    & skf18("2","5","2","9","1","1","1") = "8"
    & skf18("2","5","2","9","1","2","1") = "8"
    & skf18("2","5","2","9","1","3","1") = "8"
    & skf18("2","5","2","9","1","4","1") = "8"
    & skf18("2","5","2","9","1","5","1") = "8"
    & skf18("2","5","2","9","1","6","1") = "8"
    & skf18("2","5","2","9","1","7","1") = "8"
    & skf18("2","5","2","9","1","8","1") = "8"
    & skf18("2","5","2","9","1","9","1") = "8"
    & skf18("2","5","2","9","1","10","1") = "9"
    & skf18("2","5","2","9","2","1","1") = "8"
    & skf18("2","5","2","9","2","2","1") = "8"
    & skf18("2","5","2","9","2","3","1") = "8"
    & skf18("2","5","2","9","2","4","1") = "8"
    & skf18("2","5","2","9","2","5","1") = "8"
    & skf18("2","5","2","9","2","6","1") = "8"
    & skf18("2","5","2","9","2","7","1") = "8"
    & skf18("2","5","2","9","2","8","1") = "8"
    & skf18("2","5","2","9","2","9","1") = "8"
    & skf18("2","5","2","9","2","10","1") = "9"
    & skf18("2","5","2","9","3","1","1") = "8"
    & skf18("2","5","2","9","3","2","1") = "8"
    & skf18("2","5","2","9","3","3","1") = "8"
    & skf18("2","5","2","9","3","4","1") = "8"
    & skf18("2","5","2","9","3","5","1") = "8"
    & skf18("2","5","2","9","3","6","1") = "8"
    & skf18("2","5","2","9","3","7","1") = "8"
    & skf18("2","5","2","9","3","8","1") = "8"
    & skf18("2","5","2","9","3","9","1") = "8"
    & skf18("2","5","2","9","3","10","1") = "9"
    & skf18("2","5","2","9","4","1","1") = "8"
    & skf18("2","5","2","9","4","2","1") = "8"
    & skf18("2","5","2","9","4","3","1") = "8"
    & skf18("2","5","2","9","4","4","1") = "8"
    & skf18("2","5","2","9","4","5","1") = "8"
    & skf18("2","5","2","9","4","6","1") = "8"
    & skf18("2","5","2","9","4","7","1") = "8"
    & skf18("2","5","2","9","4","8","1") = "8"
    & skf18("2","5","2","9","4","9","1") = "8"
    & skf18("2","5","2","9","4","10","1") = "9"
    & skf18("2","5","2","9","5","1","1") = "8"
    & skf18("2","5","2","9","5","2","1") = "8"
    & skf18("2","5","2","9","5","3","1") = "8"
    & skf18("2","5","2","9","5","4","1") = "8"
    & skf18("2","5","2","9","5","5","1") = "8"
    & skf18("2","5","2","9","5","6","1") = "8"
    & skf18("2","5","2","9","5","7","1") = "8"
    & skf18("2","5","2","9","5","8","1") = "8"
    & skf18("2","5","2","9","5","9","1") = "8"
    & skf18("2","5","2","9","5","10","1") = "9"
    & skf18("2","5","2","9","6","1","1") = "8"
    & skf18("2","5","2","9","6","2","1") = "8"
    & skf18("2","5","2","9","6","3","1") = "8"
    & skf18("2","5","2","9","6","4","1") = "8"
    & skf18("2","5","2","9","6","5","1") = "8"
    & skf18("2","5","2","9","6","6","1") = "8"
    & skf18("2","5","2","9","6","7","1") = "8"
    & skf18("2","5","2","9","6","8","1") = "8"
    & skf18("2","5","2","9","6","9","1") = "8"
    & skf18("2","5","2","9","6","10","1") = "9"
    & skf18("2","5","2","9","7","1","1") = "8"
    & skf18("2","5","2","9","7","2","1") = "8"
    & skf18("2","5","2","9","7","3","1") = "8"
    & skf18("2","5","2","9","7","4","1") = "8"
    & skf18("2","5","2","9","7","5","1") = "8"
    & skf18("2","5","2","9","7","6","1") = "8"
    & skf18("2","5","2","9","7","7","1") = "8"
    & skf18("2","5","2","9","7","8","1") = "8"
    & skf18("2","5","2","9","7","9","1") = "8"
    & skf18("2","5","2","9","7","10","1") = "9"
    & skf18("2","5","2","9","8","1","1") = "8"
    & skf18("2","5","2","9","8","2","1") = "8"
    & skf18("2","5","2","9","8","3","1") = "8"
    & skf18("2","5","2","9","8","4","1") = "8"
    & skf18("2","5","2","9","8","5","1") = "8"
    & skf18("2","5","2","9","8","6","1") = "8"
    & skf18("2","5","2","9","8","7","1") = "8"
    & skf18("2","5","2","9","8","8","1") = "8"
    & skf18("2","5","2","9","8","9","1") = "8"
    & skf18("2","5","2","9","8","10","1") = "9"
    & skf18("2","5","2","9","9","1","1") = "8"
    & skf18("2","5","2","9","9","2","1") = "8"
    & skf18("2","5","2","9","9","3","1") = "8"
    & skf18("2","5","2","9","9","4","1") = "8"
    & skf18("2","5","2","9","9","5","1") = "8"
    & skf18("2","5","2","9","9","6","1") = "8"
    & skf18("2","5","2","9","9","7","1") = "8"
    & skf18("2","5","2","9","9","8","1") = "8"
    & skf18("2","5","2","9","9","9","1") = "8"
    & skf18("2","5","2","9","9","10","1") = "9"
    & skf18("2","5","2","9","10","1","1") = "9"
    & skf18("2","5","2","9","10","2","1") = "9"
    & skf18("2","5","2","9","10","3","1") = "9"
    & skf18("2","5","2","9","10","4","1") = "9"
    & skf18("2","5","2","9","10","5","1") = "9"
    & skf18("2","5","2","9","10","6","1") = "9"
    & skf18("2","5","2","9","10","7","1") = "9"
    & skf18("2","5","2","9","10","8","1") = "9"
    & skf18("2","5","2","9","10","9","1") = "9"
    & skf18("2","5","2","9","10","10","1") = "9"
    & skf18("2","5","2","10","1","1","1") = "9"
    & skf18("2","5","2","10","1","2","1") = "9"
    & skf18("2","5","2","10","1","3","1") = "9"
    & skf18("2","5","2","10","1","4","1") = "9"
    & skf18("2","5","2","10","1","5","1") = "9"
    & skf18("2","5","2","10","1","6","1") = "9"
    & skf18("2","5","2","10","1","7","1") = "9"
    & skf18("2","5","2","10","1","8","1") = "9"
    & skf18("2","5","2","10","1","9","1") = "9"
    & skf18("2","5","2","10","1","10","1") = "9"
    & skf18("2","5","2","10","2","1","1") = "9"
    & skf18("2","5","2","10","2","2","1") = "9"
    & skf18("2","5","2","10","2","3","1") = "9"
    & skf18("2","5","2","10","2","4","1") = "9"
    & skf18("2","5","2","10","2","5","1") = "9"
    & skf18("2","5","2","10","2","6","1") = "9"
    & skf18("2","5","2","10","2","7","1") = "9"
    & skf18("2","5","2","10","2","8","1") = "9"
    & skf18("2","5","2","10","2","9","1") = "9"
    & skf18("2","5","2","10","2","10","1") = "9"
    & skf18("2","5","2","10","3","1","1") = "9"
    & skf18("2","5","2","10","3","2","1") = "9"
    & skf18("2","5","2","10","3","3","1") = "9"
    & skf18("2","5","2","10","3","4","1") = "9"
    & skf18("2","5","2","10","3","5","1") = "9"
    & skf18("2","5","2","10","3","6","1") = "9"
    & skf18("2","5","2","10","3","7","1") = "9"
    & skf18("2","5","2","10","3","8","1") = "9"
    & skf18("2","5","2","10","3","9","1") = "9"
    & skf18("2","5","2","10","3","10","1") = "9"
    & skf18("2","5","2","10","4","1","1") = "9"
    & skf18("2","5","2","10","4","2","1") = "9"
    & skf18("2","5","2","10","4","3","1") = "9"
    & skf18("2","5","2","10","4","4","1") = "9"
    & skf18("2","5","2","10","4","5","1") = "9"
    & skf18("2","5","2","10","4","6","1") = "9"
    & skf18("2","5","2","10","4","7","1") = "9"
    & skf18("2","5","2","10","4","8","1") = "9"
    & skf18("2","5","2","10","4","9","1") = "9"
    & skf18("2","5","2","10","4","10","1") = "9"
    & skf18("2","5","2","10","5","1","1") = "9"
    & skf18("2","5","2","10","5","2","1") = "9"
    & skf18("2","5","2","10","5","3","1") = "9"
    & skf18("2","5","2","10","5","4","1") = "9"
    & skf18("2","5","2","10","5","5","1") = "9"
    & skf18("2","5","2","10","5","6","1") = "9"
    & skf18("2","5","2","10","5","7","1") = "9"
    & skf18("2","5","2","10","5","8","1") = "9"
    & skf18("2","5","2","10","5","9","1") = "9"
    & skf18("2","5","2","10","5","10","1") = "9"
    & skf18("2","5","2","10","6","1","1") = "9"
    & skf18("2","5","2","10","6","2","1") = "9"
    & skf18("2","5","2","10","6","3","1") = "9"
    & skf18("2","5","2","10","6","4","1") = "9"
    & skf18("2","5","2","10","6","5","1") = "9"
    & skf18("2","5","2","10","6","6","1") = "9"
    & skf18("2","5","2","10","6","7","1") = "9"
    & skf18("2","5","2","10","6","8","1") = "9"
    & skf18("2","5","2","10","6","9","1") = "9"
    & skf18("2","5","2","10","6","10","1") = "9"
    & skf18("2","5","2","10","7","1","1") = "9"
    & skf18("2","5","2","10","7","2","1") = "9"
    & skf18("2","5","2","10","7","3","1") = "9"
    & skf18("2","5","2","10","7","4","1") = "9"
    & skf18("2","5","2","10","7","5","1") = "9"
    & skf18("2","5","2","10","7","6","1") = "9"
    & skf18("2","5","2","10","7","7","1") = "9"
    & skf18("2","5","2","10","7","8","1") = "9"
    & skf18("2","5","2","10","7","9","1") = "9"
    & skf18("2","5","2","10","7","10","1") = "9"
    & skf18("2","5","2","10","8","1","1") = "9"
    & skf18("2","5","2","10","8","2","1") = "9"
    & skf18("2","5","2","10","8","3","1") = "9"
    & skf18("2","5","2","10","8","4","1") = "9"
    & skf18("2","5","2","10","8","5","1") = "9"
    & skf18("2","5","2","10","8","6","1") = "9"
    & skf18("2","5","2","10","8","7","1") = "9"
    & skf18("2","5","2","10","8","8","1") = "9"
    & skf18("2","5","2","10","8","9","1") = "9"
    & skf18("2","5","2","10","8","10","1") = "9"
    & skf18("2","5","2","10","9","1","1") = "9"
    & skf18("2","5","2","10","9","2","1") = "9"
    & skf18("2","5","2","10","9","3","1") = "9"
    & skf18("2","5","2","10","9","4","1") = "9"
    & skf18("2","5","2","10","9","5","1") = "9"
    & skf18("2","5","2","10","9","6","1") = "9"
    & skf18("2","5","2","10","9","7","1") = "9"
    & skf18("2","5","2","10","9","8","1") = "9"
    & skf18("2","5","2","10","9","9","1") = "9"
    & skf18("2","5","2","10","9","10","1") = "9"
    & skf18("2","5","2","10","10","1","1") = "9"
    & skf18("2","5","2","10","10","2","1") = "9"
    & skf18("2","5","2","10","10","3","1") = "9"
    & skf18("2","5","2","10","10","4","1") = "9"
    & skf18("2","5","2","10","10","5","1") = "9"
    & skf18("2","5","2","10","10","6","1") = "9"
    & skf18("2","5","2","10","10","7","1") = "9"
    & skf18("2","5","2","10","10","8","1") = "9"
    & skf18("2","5","2","10","10","9","1") = "9"
    & skf18("2","5","2","10","10","10","1") = "9"
    & skf18("2","5","3","1","1","1","1") = "4"
    & skf18("2","5","3","1","1","2","1") = "4"
    & skf18("2","5","3","1","1","3","1") = "4"
    & skf18("2","5","3","1","1","4","1") = "4"
    & skf18("2","5","3","1","1","5","1") = "4"
    & skf18("2","5","3","1","1","6","1") = "5"
    & skf18("2","5","3","1","1","7","1") = "6"
    & skf18("2","5","3","1","1","8","1") = "7"
    & skf18("2","5","3","1","1","9","1") = "8"
    & skf18("2","5","3","1","1","10","1") = "9"
    & skf18("2","5","3","1","2","1","1") = "4"
    & skf18("2","5","3","1","2","2","1") = "4"
    & skf18("2","5","3","1","2","3","1") = "4"
    & skf18("2","5","3","1","2","4","1") = "4"
    & skf18("2","5","3","1","2","5","1") = "4"
    & skf18("2","5","3","1","2","6","1") = "5"
    & skf18("2","5","3","1","2","7","1") = "6"
    & skf18("2","5","3","1","2","8","1") = "7"
    & skf18("2","5","3","1","2","9","1") = "8"
    & skf18("2","5","3","1","2","10","1") = "9"
    & skf18("2","5","3","1","3","1","1") = "4"
    & skf18("2","5","3","1","3","2","1") = "4"
    & skf18("2","5","3","1","3","3","1") = "4"
    & skf18("2","5","3","1","3","4","1") = "4"
    & skf18("2","5","3","1","3","5","1") = "4"
    & skf18("2","5","3","1","3","6","1") = "5"
    & skf18("2","5","3","1","3","7","1") = "6"
    & skf18("2","5","3","1","3","8","1") = "7"
    & skf18("2","5","3","1","3","9","1") = "8"
    & skf18("2","5","3","1","3","10","1") = "9"
    & skf18("2","5","3","1","4","1","1") = "4"
    & skf18("2","5","3","1","4","2","1") = "4"
    & skf18("2","5","3","1","4","3","1") = "4"
    & skf18("2","5","3","1","4","4","1") = "4"
    & skf18("2","5","3","1","4","5","1") = "4"
    & skf18("2","5","3","1","4","6","1") = "5"
    & skf18("2","5","3","1","4","7","1") = "6"
    & skf18("2","5","3","1","4","8","1") = "7"
    & skf18("2","5","3","1","4","9","1") = "8"
    & skf18("2","5","3","1","4","10","1") = "9"
    & skf18("2","5","3","1","5","1","1") = "4"
    & skf18("2","5","3","1","5","2","1") = "4"
    & skf18("2","5","3","1","5","3","1") = "4"
    & skf18("2","5","3","1","5","4","1") = "4"
    & skf18("2","5","3","1","5","5","1") = "4"
    & skf18("2","5","3","1","5","6","1") = "5"
    & skf18("2","5","3","1","5","7","1") = "6"
    & skf18("2","5","3","1","5","8","1") = "7"
    & skf18("2","5","3","1","5","9","1") = "8"
    & skf18("2","5","3","1","5","10","1") = "9"
    & skf18("2","5","3","1","6","1","1") = "5"
    & skf18("2","5","3","1","6","2","1") = "5"
    & skf18("2","5","3","1","6","3","1") = "5"
    & skf18("2","5","3","1","6","4","1") = "5"
    & skf18("2","5","3","1","6","5","1") = "5"
    & skf18("2","5","3","1","6","6","1") = "5"
    & skf18("2","5","3","1","6","7","1") = "6"
    & skf18("2","5","3","1","6","8","1") = "7"
    & skf18("2","5","3","1","6","9","1") = "8"
    & skf18("2","5","3","1","6","10","1") = "9"
    & skf18("2","5","3","1","7","1","1") = "6"
    & skf18("2","5","3","1","7","2","1") = "6"
    & skf18("2","5","3","1","7","3","1") = "6"
    & skf18("2","5","3","1","7","4","1") = "6"
    & skf18("2","5","3","1","7","5","1") = "6"
    & skf18("2","5","3","1","7","6","1") = "6"
    & skf18("2","5","3","1","7","7","1") = "6"
    & skf18("2","5","3","1","7","8","1") = "7"
    & skf18("2","5","3","1","7","9","1") = "8"
    & skf18("2","5","3","1","7","10","1") = "9"
    & skf18("2","5","3","1","8","1","1") = "7"
    & skf18("2","5","3","1","8","2","1") = "7"
    & skf18("2","5","3","1","8","3","1") = "7"
    & skf18("2","5","3","1","8","4","1") = "7"
    & skf18("2","5","3","1","8","5","1") = "7"
    & skf18("2","5","3","1","8","6","1") = "7"
    & skf18("2","5","3","1","8","7","1") = "7"
    & skf18("2","5","3","1","8","8","1") = "7"
    & skf18("2","5","3","1","8","9","1") = "8"
    & skf18("2","5","3","1","8","10","1") = "9"
    & skf18("2","5","3","1","9","1","1") = "8"
    & skf18("2","5","3","1","9","2","1") = "8"
    & skf18("2","5","3","1","9","3","1") = "8"
    & skf18("2","5","3","1","9","4","1") = "8"
    & skf18("2","5","3","1","9","5","1") = "8"
    & skf18("2","5","3","1","9","6","1") = "8"
    & skf18("2","5","3","1","9","7","1") = "8"
    & skf18("2","5","3","1","9","8","1") = "8"
    & skf18("2","5","3","1","9","9","1") = "8"
    & skf18("2","5","3","1","9","10","1") = "9"
    & skf18("2","5","3","1","10","1","1") = "9"
    & skf18("2","5","3","1","10","2","1") = "9"
    & skf18("2","5","3","1","10","3","1") = "9"
    & skf18("2","5","3","1","10","4","1") = "9"
    & skf18("2","5","3","1","10","5","1") = "9"
    & skf18("2","5","3","1","10","6","1") = "9"
    & skf18("2","5","3","1","10","7","1") = "9"
    & skf18("2","5","3","1","10","8","1") = "9"
    & skf18("2","5","3","1","10","9","1") = "9"
    & skf18("2","5","3","1","10","10","1") = "9"
    & skf18("2","5","3","2","1","1","1") = "4"
    & skf18("2","5","3","2","1","2","1") = "4"
    & skf18("2","5","3","2","1","3","1") = "4"
    & skf18("2","5","3","2","1","4","1") = "4"
    & skf18("2","5","3","2","1","5","1") = "4"
    & skf18("2","5","3","2","1","6","1") = "5"
    & skf18("2","5","3","2","1","7","1") = "6"
    & skf18("2","5","3","2","1","8","1") = "7"
    & skf18("2","5","3","2","1","9","1") = "8"
    & skf18("2","5","3","2","1","10","1") = "9"
    & skf18("2","5","3","2","2","1","1") = "4"
    & skf18("2","5","3","2","2","2","1") = "4"
    & skf18("2","5","3","2","2","3","1") = "4"
    & skf18("2","5","3","2","2","4","1") = "4"
    & skf18("2","5","3","2","2","5","1") = "4"
    & skf18("2","5","3","2","2","6","1") = "5"
    & skf18("2","5","3","2","2","7","1") = "6"
    & skf18("2","5","3","2","2","8","1") = "7"
    & skf18("2","5","3","2","2","9","1") = "8"
    & skf18("2","5","3","2","2","10","1") = "9"
    & skf18("2","5","3","2","3","1","1") = "4"
    & skf18("2","5","3","2","3","2","1") = "4"
    & skf18("2","5","3","2","3","3","1") = "4"
    & skf18("2","5","3","2","3","4","1") = "4"
    & skf18("2","5","3","2","3","5","1") = "4"
    & skf18("2","5","3","2","3","6","1") = "5"
    & skf18("2","5","3","2","3","7","1") = "6"
    & skf18("2","5","3","2","3","8","1") = "7"
    & skf18("2","5","3","2","3","9","1") = "8"
    & skf18("2","5","3","2","3","10","1") = "9"
    & skf18("2","5","3","2","4","1","1") = "4"
    & skf18("2","5","3","2","4","2","1") = "4"
    & skf18("2","5","3","2","4","3","1") = "4"
    & skf18("2","5","3","2","4","4","1") = "4"
    & skf18("2","5","3","2","4","5","1") = "4"
    & skf18("2","5","3","2","4","6","1") = "5"
    & skf18("2","5","3","2","4","7","1") = "6"
    & skf18("2","5","3","2","4","8","1") = "7"
    & skf18("2","5","3","2","4","9","1") = "8"
    & skf18("2","5","3","2","4","10","1") = "9"
    & skf18("2","5","3","2","5","1","1") = "4"
    & skf18("2","5","3","2","5","2","1") = "4"
    & skf18("2","5","3","2","5","3","1") = "4"
    & skf18("2","5","3","2","5","4","1") = "4"
    & skf18("2","5","3","2","5","5","1") = "4"
    & skf18("2","5","3","2","5","6","1") = "5"
    & skf18("2","5","3","2","5","7","1") = "6"
    & skf18("2","5","3","2","5","8","1") = "7"
    & skf18("2","5","3","2","5","9","1") = "8"
    & skf18("2","5","3","2","5","10","1") = "9"
    & skf18("2","5","3","2","6","1","1") = "5"
    & skf18("2","5","3","2","6","2","1") = "5"
    & skf18("2","5","3","2","6","3","1") = "5"
    & skf18("2","5","3","2","6","4","1") = "5"
    & skf18("2","5","3","2","6","5","1") = "5"
    & skf18("2","5","3","2","6","6","1") = "5"
    & skf18("2","5","3","2","6","7","1") = "6"
    & skf18("2","5","3","2","6","8","1") = "7"
    & skf18("2","5","3","2","6","9","1") = "8"
    & skf18("2","5","3","2","6","10","1") = "9"
    & skf18("2","5","3","2","7","1","1") = "6"
    & skf18("2","5","3","2","7","2","1") = "6"
    & skf18("2","5","3","2","7","3","1") = "6"
    & skf18("2","5","3","2","7","4","1") = "6"
    & skf18("2","5","3","2","7","5","1") = "6"
    & skf18("2","5","3","2","7","6","1") = "6"
    & skf18("2","5","3","2","7","7","1") = "6"
    & skf18("2","5","3","2","7","8","1") = "7"
    & skf18("2","5","3","2","7","9","1") = "8"
    & skf18("2","5","3","2","7","10","1") = "9"
    & skf18("2","5","3","2","8","1","1") = "7"
    & skf18("2","5","3","2","8","2","1") = "7"
    & skf18("2","5","3","2","8","3","1") = "7"
    & skf18("2","5","3","2","8","4","1") = "7"
    & skf18("2","5","3","2","8","5","1") = "7"
    & skf18("2","5","3","2","8","6","1") = "7"
    & skf18("2","5","3","2","8","7","1") = "7"
    & skf18("2","5","3","2","8","8","1") = "7"
    & skf18("2","5","3","2","8","9","1") = "8"
    & skf18("2","5","3","2","8","10","1") = "9"
    & skf18("2","5","3","2","9","1","1") = "8"
    & skf18("2","5","3","2","9","2","1") = "8"
    & skf18("2","5","3","2","9","3","1") = "8"
    & skf18("2","5","3","2","9","4","1") = "8"
    & skf18("2","5","3","2","9","5","1") = "8"
    & skf18("2","5","3","2","9","6","1") = "8"
    & skf18("2","5","3","2","9","7","1") = "8"
    & skf18("2","5","3","2","9","8","1") = "8"
    & skf18("2","5","3","2","9","9","1") = "8"
    & skf18("2","5","3","2","9","10","1") = "9"
    & skf18("2","5","3","2","10","1","1") = "9"
    & skf18("2","5","3","2","10","2","1") = "9"
    & skf18("2","5","3","2","10","3","1") = "9"
    & skf18("2","5","3","2","10","4","1") = "9"
    & skf18("2","5","3","2","10","5","1") = "9"
    & skf18("2","5","3","2","10","6","1") = "9"
    & skf18("2","5","3","2","10","7","1") = "9"
    & skf18("2","5","3","2","10","8","1") = "9"
    & skf18("2","5","3","2","10","9","1") = "9"
    & skf18("2","5","3","2","10","10","1") = "9"
    & skf18("2","5","3","3","1","1","1") = "4"
    & skf18("2","5","3","3","1","2","1") = "4"
    & skf18("2","5","3","3","1","3","1") = "4"
    & skf18("2","5","3","3","1","4","1") = "4"
    & skf18("2","5","3","3","1","5","1") = "4"
    & skf18("2","5","3","3","1","6","1") = "5"
    & skf18("2","5","3","3","1","7","1") = "6"
    & skf18("2","5","3","3","1","8","1") = "7"
    & skf18("2","5","3","3","1","9","1") = "8"
    & skf18("2","5","3","3","1","10","1") = "9"
    & skf18("2","5","3","3","2","1","1") = "4"
    & skf18("2","5","3","3","2","2","1") = "4"
    & skf18("2","5","3","3","2","3","1") = "4"
    & skf18("2","5","3","3","2","4","1") = "4"
    & skf18("2","5","3","3","2","5","1") = "4"
    & skf18("2","5","3","3","2","6","1") = "5"
    & skf18("2","5","3","3","2","7","1") = "6"
    & skf18("2","5","3","3","2","8","1") = "7"
    & skf18("2","5","3","3","2","9","1") = "8"
    & skf18("2","5","3","3","2","10","1") = "9"
    & skf18("2","5","3","3","3","1","1") = "4"
    & skf18("2","5","3","3","3","2","1") = "4"
    & skf18("2","5","3","3","3","3","1") = "4"
    & skf18("2","5","3","3","3","4","1") = "4"
    & skf18("2","5","3","3","3","5","1") = "4"
    & skf18("2","5","3","3","3","6","1") = "5"
    & skf18("2","5","3","3","3","7","1") = "6"
    & skf18("2","5","3","3","3","8","1") = "7"
    & skf18("2","5","3","3","3","9","1") = "8"
    & skf18("2","5","3","3","3","10","1") = "9"
    & skf18("2","5","3","3","4","1","1") = "4"
    & skf18("2","5","3","3","4","2","1") = "4"
    & skf18("2","5","3","3","4","3","1") = "4"
    & skf18("2","5","3","3","4","4","1") = "4"
    & skf18("2","5","3","3","4","5","1") = "4"
    & skf18("2","5","3","3","4","6","1") = "5"
    & skf18("2","5","3","3","4","7","1") = "6"
    & skf18("2","5","3","3","4","8","1") = "7"
    & skf18("2","5","3","3","4","9","1") = "8"
    & skf18("2","5","3","3","4","10","1") = "9"
    & skf18("2","5","3","3","5","1","1") = "4"
    & skf18("2","5","3","3","5","2","1") = "4"
    & skf18("2","5","3","3","5","3","1") = "4"
    & skf18("2","5","3","3","5","4","1") = "4"
    & skf18("2","5","3","3","5","5","1") = "4"
    & skf18("2","5","3","3","5","6","1") = "5"
    & skf18("2","5","3","3","5","7","1") = "6"
    & skf18("2","5","3","3","5","8","1") = "7"
    & skf18("2","5","3","3","5","9","1") = "8"
    & skf18("2","5","3","3","5","10","1") = "9"
    & skf18("2","5","3","3","6","1","1") = "5"
    & skf18("2","5","3","3","6","2","1") = "5"
    & skf18("2","5","3","3","6","3","1") = "5"
    & skf18("2","5","3","3","6","4","1") = "5"
    & skf18("2","5","3","3","6","5","1") = "5"
    & skf18("2","5","3","3","6","6","1") = "5"
    & skf18("2","5","3","3","6","7","1") = "6"
    & skf18("2","5","3","3","6","8","1") = "7"
    & skf18("2","5","3","3","6","9","1") = "8"
    & skf18("2","5","3","3","6","10","1") = "9"
    & skf18("2","5","3","3","7","1","1") = "6"
    & skf18("2","5","3","3","7","2","1") = "6"
    & skf18("2","5","3","3","7","3","1") = "6"
    & skf18("2","5","3","3","7","4","1") = "6"
    & skf18("2","5","3","3","7","5","1") = "6"
    & skf18("2","5","3","3","7","6","1") = "6"
    & skf18("2","5","3","3","7","7","1") = "6"
    & skf18("2","5","3","3","7","8","1") = "7"
    & skf18("2","5","3","3","7","9","1") = "8"
    & skf18("2","5","3","3","7","10","1") = "9"
    & skf18("2","5","3","3","8","1","1") = "7"
    & skf18("2","5","3","3","8","2","1") = "7"
    & skf18("2","5","3","3","8","3","1") = "7"
    & skf18("2","5","3","3","8","4","1") = "7"
    & skf18("2","5","3","3","8","5","1") = "7"
    & skf18("2","5","3","3","8","6","1") = "7"
    & skf18("2","5","3","3","8","7","1") = "7"
    & skf18("2","5","3","3","8","8","1") = "7"
    & skf18("2","5","3","3","8","9","1") = "8"
    & skf18("2","5","3","3","8","10","1") = "9"
    & skf18("2","5","3","3","9","1","1") = "8"
    & skf18("2","5","3","3","9","2","1") = "8"
    & skf18("2","5","3","3","9","3","1") = "8"
    & skf18("2","5","3","3","9","4","1") = "8"
    & skf18("2","5","3","3","9","5","1") = "8"
    & skf18("2","5","3","3","9","6","1") = "8"
    & skf18("2","5","3","3","9","7","1") = "8"
    & skf18("2","5","3","3","9","8","1") = "8"
    & skf18("2","5","3","3","9","9","1") = "8"
    & skf18("2","5","3","3","9","10","1") = "9"
    & skf18("2","5","3","3","10","1","1") = "9"
    & skf18("2","5","3","3","10","2","1") = "9"
    & skf18("2","5","3","3","10","3","1") = "9"
    & skf18("2","5","3","3","10","4","1") = "9"
    & skf18("2","5","3","3","10","5","1") = "9"
    & skf18("2","5","3","3","10","6","1") = "9"
    & skf18("2","5","3","3","10","7","1") = "9"
    & skf18("2","5","3","3","10","8","1") = "9"
    & skf18("2","5","3","3","10","9","1") = "9"
    & skf18("2","5","3","3","10","10","1") = "9"
    & skf18("2","5","3","4","1","1","1") = "4"
    & skf18("2","5","3","4","1","2","1") = "4"
    & skf18("2","5","3","4","1","3","1") = "4"
    & skf18("2","5","3","4","1","4","1") = "4"
    & skf18("2","5","3","4","1","5","1") = "4"
    & skf18("2","5","3","4","1","6","1") = "5"
    & skf18("2","5","3","4","1","7","1") = "6"
    & skf18("2","5","3","4","1","8","1") = "7"
    & skf18("2","5","3","4","1","9","1") = "8"
    & skf18("2","5","3","4","1","10","1") = "9"
    & skf18("2","5","3","4","2","1","1") = "4"
    & skf18("2","5","3","4","2","2","1") = "4"
    & skf18("2","5","3","4","2","3","1") = "4"
    & skf18("2","5","3","4","2","4","1") = "4"
    & skf18("2","5","3","4","2","5","1") = "4"
    & skf18("2","5","3","4","2","6","1") = "5"
    & skf18("2","5","3","4","2","7","1") = "6"
    & skf18("2","5","3","4","2","8","1") = "7"
    & skf18("2","5","3","4","2","9","1") = "8"
    & skf18("2","5","3","4","2","10","1") = "9"
    & skf18("2","5","3","4","3","1","1") = "4"
    & skf18("2","5","3","4","3","2","1") = "4"
    & skf18("2","5","3","4","3","3","1") = "4"
    & skf18("2","5","3","4","3","4","1") = "4"
    & skf18("2","5","3","4","3","5","1") = "4"
    & skf18("2","5","3","4","3","6","1") = "5"
    & skf18("2","5","3","4","3","7","1") = "6"
    & skf18("2","5","3","4","3","8","1") = "7"
    & skf18("2","5","3","4","3","9","1") = "8"
    & skf18("2","5","3","4","3","10","1") = "9"
    & skf18("2","5","3","4","4","1","1") = "4"
    & skf18("2","5","3","4","4","2","1") = "4"
    & skf18("2","5","3","4","4","3","1") = "4"
    & skf18("2","5","3","4","4","4","1") = "4"
    & skf18("2","5","3","4","4","5","1") = "4"
    & skf18("2","5","3","4","4","6","1") = "5"
    & skf18("2","5","3","4","4","7","1") = "6"
    & skf18("2","5","3","4","4","8","1") = "7"
    & skf18("2","5","3","4","4","9","1") = "8"
    & skf18("2","5","3","4","4","10","1") = "9"
    & skf18("2","5","3","4","5","1","1") = "4"
    & skf18("2","5","3","4","5","2","1") = "4"
    & skf18("2","5","3","4","5","3","1") = "4"
    & skf18("2","5","3","4","5","4","1") = "4"
    & skf18("2","5","3","4","5","5","1") = "4"
    & skf18("2","5","3","4","5","6","1") = "5"
    & skf18("2","5","3","4","5","7","1") = "6"
    & skf18("2","5","3","4","5","8","1") = "7"
    & skf18("2","5","3","4","5","9","1") = "8"
    & skf18("2","5","3","4","5","10","1") = "9"
    & skf18("2","5","3","4","6","1","1") = "5"
    & skf18("2","5","3","4","6","2","1") = "5"
    & skf18("2","5","3","4","6","3","1") = "5"
    & skf18("2","5","3","4","6","4","1") = "5"
    & skf18("2","5","3","4","6","5","1") = "5"
    & skf18("2","5","3","4","6","6","1") = "5"
    & skf18("2","5","3","4","6","7","1") = "6"
    & skf18("2","5","3","4","6","8","1") = "7"
    & skf18("2","5","3","4","6","9","1") = "8"
    & skf18("2","5","3","4","6","10","1") = "9"
    & skf18("2","5","3","4","7","1","1") = "6"
    & skf18("2","5","3","4","7","2","1") = "6"
    & skf18("2","5","3","4","7","3","1") = "6"
    & skf18("2","5","3","4","7","4","1") = "6"
    & skf18("2","5","3","4","7","5","1") = "6"
    & skf18("2","5","3","4","7","6","1") = "6"
    & skf18("2","5","3","4","7","7","1") = "6"
    & skf18("2","5","3","4","7","8","1") = "7"
    & skf18("2","5","3","4","7","9","1") = "8"
    & skf18("2","5","3","4","7","10","1") = "9"
    & skf18("2","5","3","4","8","1","1") = "7"
    & skf18("2","5","3","4","8","2","1") = "7"
    & skf18("2","5","3","4","8","3","1") = "7"
    & skf18("2","5","3","4","8","4","1") = "7"
    & skf18("2","5","3","4","8","5","1") = "7"
    & skf18("2","5","3","4","8","6","1") = "7"
    & skf18("2","5","3","4","8","7","1") = "7"
    & skf18("2","5","3","4","8","8","1") = "7"
    & skf18("2","5","3","4","8","9","1") = "8"
    & skf18("2","5","3","4","8","10","1") = "9"
    & skf18("2","5","3","4","9","1","1") = "8"
    & skf18("2","5","3","4","9","2","1") = "8"
    & skf18("2","5","3","4","9","3","1") = "8"
    & skf18("2","5","3","4","9","4","1") = "8"
    & skf18("2","5","3","4","9","5","1") = "8"
    & skf18("2","5","3","4","9","6","1") = "8"
    & skf18("2","5","3","4","9","7","1") = "8"
    & skf18("2","5","3","4","9","8","1") = "8"
    & skf18("2","5","3","4","9","9","1") = "8"
    & skf18("2","5","3","4","9","10","1") = "9"
    & skf18("2","5","3","4","10","1","1") = "9"
    & skf18("2","5","3","4","10","2","1") = "9"
    & skf18("2","5","3","4","10","3","1") = "9"
    & skf18("2","5","3","4","10","4","1") = "9"
    & skf18("2","5","3","4","10","5","1") = "9"
    & skf18("2","5","3","4","10","6","1") = "9"
    & skf18("2","5","3","4","10","7","1") = "9"
    & skf18("2","5","3","4","10","8","1") = "9"
    & skf18("2","5","3","4","10","9","1") = "9"
    & skf18("2","5","3","4","10","10","1") = "9"
    & skf18("2","5","3","5","1","1","1") = "4"
    & skf18("2","5","3","5","1","2","1") = "4"
    & skf18("2","5","3","5","1","3","1") = "4"
    & skf18("2","5","3","5","1","4","1") = "4"
    & skf18("2","5","3","5","1","5","1") = "4"
    & skf18("2","5","3","5","1","6","1") = "5"
    & skf18("2","5","3","5","1","7","1") = "6"
    & skf18("2","5","3","5","1","8","1") = "7"
    & skf18("2","5","3","5","1","9","1") = "8"
    & skf18("2","5","3","5","1","10","1") = "9"
    & skf18("2","5","3","5","2","1","1") = "4"
    & skf18("2","5","3","5","2","2","1") = "4"
    & skf18("2","5","3","5","2","3","1") = "4"
    & skf18("2","5","3","5","2","4","1") = "4"
    & skf18("2","5","3","5","2","5","1") = "4"
    & skf18("2","5","3","5","2","6","1") = "5"
    & skf18("2","5","3","5","2","7","1") = "6"
    & skf18("2","5","3","5","2","8","1") = "7"
    & skf18("2","5","3","5","2","9","1") = "8"
    & skf18("2","5","3","5","2","10","1") = "9"
    & skf18("2","5","3","5","3","1","1") = "4"
    & skf18("2","5","3","5","3","2","1") = "4"
    & skf18("2","5","3","5","3","3","1") = "4"
    & skf18("2","5","3","5","3","4","1") = "4"
    & skf18("2","5","3","5","3","5","1") = "4"
    & skf18("2","5","3","5","3","6","1") = "5"
    & skf18("2","5","3","5","3","7","1") = "6"
    & skf18("2","5","3","5","3","8","1") = "7"
    & skf18("2","5","3","5","3","9","1") = "8"
    & skf18("2","5","3","5","3","10","1") = "9"
    & skf18("2","5","3","5","4","1","1") = "4"
    & skf18("2","5","3","5","4","2","1") = "4"
    & skf18("2","5","3","5","4","3","1") = "4"
    & skf18("2","5","3","5","4","4","1") = "4"
    & skf18("2","5","3","5","4","5","1") = "4"
    & skf18("2","5","3","5","4","6","1") = "5"
    & skf18("2","5","3","5","4","7","1") = "6"
    & skf18("2","5","3","5","4","8","1") = "7"
    & skf18("2","5","3","5","4","9","1") = "8"
    & skf18("2","5","3","5","4","10","1") = "9"
    & skf18("2","5","3","5","5","1","1") = "4"
    & skf18("2","5","3","5","5","2","1") = "4"
    & skf18("2","5","3","5","5","3","1") = "4"
    & skf18("2","5","3","5","5","4","1") = "4"
    & skf18("2","5","3","5","5","5","1") = "4"
    & skf18("2","5","3","5","5","6","1") = "5"
    & skf18("2","5","3","5","5","7","1") = "6"
    & skf18("2","5","3","5","5","8","1") = "7"
    & skf18("2","5","3","5","5","9","1") = "8"
    & skf18("2","5","3","5","5","10","1") = "9"
    & skf18("2","5","3","5","6","1","1") = "5"
    & skf18("2","5","3","5","6","2","1") = "5"
    & skf18("2","5","3","5","6","3","1") = "5"
    & skf18("2","5","3","5","6","4","1") = "5"
    & skf18("2","5","3","5","6","5","1") = "5"
    & skf18("2","5","3","5","6","6","1") = "5"
    & skf18("2","5","3","5","6","7","1") = "6"
    & skf18("2","5","3","5","6","8","1") = "7"
    & skf18("2","5","3","5","6","9","1") = "8"
    & skf18("2","5","3","5","6","10","1") = "9"
    & skf18("2","5","3","5","7","1","1") = "6"
    & skf18("2","5","3","5","7","2","1") = "6"
    & skf18("2","5","3","5","7","3","1") = "6"
    & skf18("2","5","3","5","7","4","1") = "6"
    & skf18("2","5","3","5","7","5","1") = "6"
    & skf18("2","5","3","5","7","6","1") = "6"
    & skf18("2","5","3","5","7","7","1") = "6"
    & skf18("2","5","3","5","7","8","1") = "7"
    & skf18("2","5","3","5","7","9","1") = "8"
    & skf18("2","5","3","5","7","10","1") = "9"
    & skf18("2","5","3","5","8","1","1") = "7"
    & skf18("2","5","3","5","8","2","1") = "7"
    & skf18("2","5","3","5","8","3","1") = "7"
    & skf18("2","5","3","5","8","4","1") = "7"
    & skf18("2","5","3","5","8","5","1") = "7"
    & skf18("2","5","3","5","8","6","1") = "7"
    & skf18("2","5","3","5","8","7","1") = "7"
    & skf18("2","5","3","5","8","8","1") = "7"
    & skf18("2","5","3","5","8","9","1") = "8"
    & skf18("2","5","3","5","8","10","1") = "9"
    & skf18("2","5","3","5","9","1","1") = "8"
    & skf18("2","5","3","5","9","2","1") = "8"
    & skf18("2","5","3","5","9","3","1") = "8"
    & skf18("2","5","3","5","9","4","1") = "8"
    & skf18("2","5","3","5","9","5","1") = "8"
    & skf18("2","5","3","5","9","6","1") = "8"
    & skf18("2","5","3","5","9","7","1") = "8"
    & skf18("2","5","3","5","9","8","1") = "8"
    & skf18("2","5","3","5","9","9","1") = "8"
    & skf18("2","5","3","5","9","10","1") = "9"
    & skf18("2","5","3","5","10","1","1") = "9"
    & skf18("2","5","3","5","10","2","1") = "9"
    & skf18("2","5","3","5","10","3","1") = "9"
    & skf18("2","5","3","5","10","4","1") = "9"
    & skf18("2","5","3","5","10","5","1") = "9"
    & skf18("2","5","3","5","10","6","1") = "9"
    & skf18("2","5","3","5","10","7","1") = "9"
    & skf18("2","5","3","5","10","8","1") = "9"
    & skf18("2","5","3","5","10","9","1") = "9"
    & skf18("2","5","3","5","10","10","1") = "9"
    & skf18("2","5","3","6","1","1","1") = "5"
    & skf18("2","5","3","6","1","2","1") = "5"
    & skf18("2","5","3","6","1","3","1") = "5"
    & skf18("2","5","3","6","1","4","1") = "5"
    & skf18("2","5","3","6","1","5","1") = "5"
    & skf18("2","5","3","6","1","6","1") = "5"
    & skf18("2","5","3","6","1","7","1") = "6"
    & skf18("2","5","3","6","1","8","1") = "7"
    & skf18("2","5","3","6","1","9","1") = "8"
    & skf18("2","5","3","6","1","10","1") = "9"
    & skf18("2","5","3","6","2","1","1") = "5"
    & skf18("2","5","3","6","2","2","1") = "5"
    & skf18("2","5","3","6","2","3","1") = "5"
    & skf18("2","5","3","6","2","4","1") = "5"
    & skf18("2","5","3","6","2","5","1") = "5"
    & skf18("2","5","3","6","2","6","1") = "5"
    & skf18("2","5","3","6","2","7","1") = "6"
    & skf18("2","5","3","6","2","8","1") = "7"
    & skf18("2","5","3","6","2","9","1") = "8"
    & skf18("2","5","3","6","2","10","1") = "9"
    & skf18("2","5","3","6","3","1","1") = "5"
    & skf18("2","5","3","6","3","2","1") = "5"
    & skf18("2","5","3","6","3","3","1") = "5"
    & skf18("2","5","3","6","3","4","1") = "5"
    & skf18("2","5","3","6","3","5","1") = "5"
    & skf18("2","5","3","6","3","6","1") = "5"
    & skf18("2","5","3","6","3","7","1") = "6"
    & skf18("2","5","3","6","3","8","1") = "7"
    & skf18("2","5","3","6","3","9","1") = "8"
    & skf18("2","5","3","6","3","10","1") = "9"
    & skf18("2","5","3","6","4","1","1") = "5"
    & skf18("2","5","3","6","4","2","1") = "5"
    & skf18("2","5","3","6","4","3","1") = "5"
    & skf18("2","5","3","6","4","4","1") = "5"
    & skf18("2","5","3","6","4","5","1") = "5"
    & skf18("2","5","3","6","4","6","1") = "5"
    & skf18("2","5","3","6","4","7","1") = "6"
    & skf18("2","5","3","6","4","8","1") = "7"
    & skf18("2","5","3","6","4","9","1") = "8"
    & skf18("2","5","3","6","4","10","1") = "9"
    & skf18("2","5","3","6","5","1","1") = "5"
    & skf18("2","5","3","6","5","2","1") = "5"
    & skf18("2","5","3","6","5","3","1") = "5"
    & skf18("2","5","3","6","5","4","1") = "5"
    & skf18("2","5","3","6","5","5","1") = "5"
    & skf18("2","5","3","6","5","6","1") = "5"
    & skf18("2","5","3","6","5","7","1") = "6"
    & skf18("2","5","3","6","5","8","1") = "7"
    & skf18("2","5","3","6","5","9","1") = "8"
    & skf18("2","5","3","6","5","10","1") = "9"
    & skf18("2","5","3","6","6","1","1") = "5"
    & skf18("2","5","3","6","6","2","1") = "5"
    & skf18("2","5","3","6","6","3","1") = "5"
    & skf18("2","5","3","6","6","4","1") = "5"
    & skf18("2","5","3","6","6","5","1") = "5"
    & skf18("2","5","3","6","6","6","1") = "5"
    & skf18("2","5","3","6","6","7","1") = "6"
    & skf18("2","5","3","6","6","8","1") = "7"
    & skf18("2","5","3","6","6","9","1") = "8"
    & skf18("2","5","3","6","6","10","1") = "9"
    & skf18("2","5","3","6","7","1","1") = "6"
    & skf18("2","5","3","6","7","2","1") = "6"
    & skf18("2","5","3","6","7","3","1") = "6"
    & skf18("2","5","3","6","7","4","1") = "6"
    & skf18("2","5","3","6","7","5","1") = "6"
    & skf18("2","5","3","6","7","6","1") = "6"
    & skf18("2","5","3","6","7","7","1") = "6"
    & skf18("2","5","3","6","7","8","1") = "7"
    & skf18("2","5","3","6","7","9","1") = "8"
    & skf18("2","5","3","6","7","10","1") = "9"
    & skf18("2","5","3","6","8","1","1") = "7"
    & skf18("2","5","3","6","8","2","1") = "7"
    & skf18("2","5","3","6","8","3","1") = "7"
    & skf18("2","5","3","6","8","4","1") = "7"
    & skf18("2","5","3","6","8","5","1") = "7"
    & skf18("2","5","3","6","8","6","1") = "7"
    & skf18("2","5","3","6","8","7","1") = "7"
    & skf18("2","5","3","6","8","8","1") = "7"
    & skf18("2","5","3","6","8","9","1") = "8"
    & skf18("2","5","3","6","8","10","1") = "9"
    & skf18("2","5","3","6","9","1","1") = "8"
    & skf18("2","5","3","6","9","2","1") = "8"
    & skf18("2","5","3","6","9","3","1") = "8"
    & skf18("2","5","3","6","9","4","1") = "8"
    & skf18("2","5","3","6","9","5","1") = "8"
    & skf18("2","5","3","6","9","6","1") = "8"
    & skf18("2","5","3","6","9","7","1") = "8"
    & skf18("2","5","3","6","9","8","1") = "8"
    & skf18("2","5","3","6","9","9","1") = "8"
    & skf18("2","5","3","6","9","10","1") = "9"
    & skf18("2","5","3","6","10","1","1") = "9"
    & skf18("2","5","3","6","10","2","1") = "9"
    & skf18("2","5","3","6","10","3","1") = "9"
    & skf18("2","5","3","6","10","4","1") = "9"
    & skf18("2","5","3","6","10","5","1") = "9"
    & skf18("2","5","3","6","10","6","1") = "9"
    & skf18("2","5","3","6","10","7","1") = "9"
    & skf18("2","5","3","6","10","8","1") = "9"
    & skf18("2","5","3","6","10","9","1") = "9"
    & skf18("2","5","3","6","10","10","1") = "9"
    & skf18("2","5","3","7","1","1","1") = "6"
    & skf18("2","5","3","7","1","2","1") = "6"
    & skf18("2","5","3","7","1","3","1") = "6"
    & skf18("2","5","3","7","1","4","1") = "6"
    & skf18("2","5","3","7","1","5","1") = "6"
    & skf18("2","5","3","7","1","6","1") = "6"
    & skf18("2","5","3","7","1","7","1") = "6"
    & skf18("2","5","3","7","1","8","1") = "7"
    & skf18("2","5","3","7","1","9","1") = "8"
    & skf18("2","5","3","7","1","10","1") = "9"
    & skf18("2","5","3","7","2","1","1") = "6"
    & skf18("2","5","3","7","2","2","1") = "6"
    & skf18("2","5","3","7","2","3","1") = "6"
    & skf18("2","5","3","7","2","4","1") = "6"
    & skf18("2","5","3","7","2","5","1") = "6"
    & skf18("2","5","3","7","2","6","1") = "6"
    & skf18("2","5","3","7","2","7","1") = "6"
    & skf18("2","5","3","7","2","8","1") = "7"
    & skf18("2","5","3","7","2","9","1") = "8"
    & skf18("2","5","3","7","2","10","1") = "9"
    & skf18("2","5","3","7","3","1","1") = "6"
    & skf18("2","5","3","7","3","2","1") = "6"
    & skf18("2","5","3","7","3","3","1") = "6"
    & skf18("2","5","3","7","3","4","1") = "6"
    & skf18("2","5","3","7","3","5","1") = "6"
    & skf18("2","5","3","7","3","6","1") = "6"
    & skf18("2","5","3","7","3","7","1") = "6"
    & skf18("2","5","3","7","3","8","1") = "7"
    & skf18("2","5","3","7","3","9","1") = "8"
    & skf18("2","5","3","7","3","10","1") = "9"
    & skf18("2","5","3","7","4","1","1") = "6"
    & skf18("2","5","3","7","4","2","1") = "6"
    & skf18("2","5","3","7","4","3","1") = "6"
    & skf18("2","5","3","7","4","4","1") = "6"
    & skf18("2","5","3","7","4","5","1") = "6"
    & skf18("2","5","3","7","4","6","1") = "6"
    & skf18("2","5","3","7","4","7","1") = "6"
    & skf18("2","5","3","7","4","8","1") = "7"
    & skf18("2","5","3","7","4","9","1") = "8"
    & skf18("2","5","3","7","4","10","1") = "9"
    & skf18("2","5","3","7","5","1","1") = "6"
    & skf18("2","5","3","7","5","2","1") = "6"
    & skf18("2","5","3","7","5","3","1") = "6"
    & skf18("2","5","3","7","5","4","1") = "6"
    & skf18("2","5","3","7","5","5","1") = "6"
    & skf18("2","5","3","7","5","6","1") = "6"
    & skf18("2","5","3","7","5","7","1") = "6"
    & skf18("2","5","3","7","5","8","1") = "7"
    & skf18("2","5","3","7","5","9","1") = "8"
    & skf18("2","5","3","7","5","10","1") = "9"
    & skf18("2","5","3","7","6","1","1") = "6"
    & skf18("2","5","3","7","6","2","1") = "6"
    & skf18("2","5","3","7","6","3","1") = "6"
    & skf18("2","5","3","7","6","4","1") = "6"
    & skf18("2","5","3","7","6","5","1") = "6"
    & skf18("2","5","3","7","6","6","1") = "6"
    & skf18("2","5","3","7","6","7","1") = "6"
    & skf18("2","5","3","7","6","8","1") = "7"
    & skf18("2","5","3","7","6","9","1") = "8"
    & skf18("2","5","3","7","6","10","1") = "9"
    & skf18("2","5","3","7","7","1","1") = "6"
    & skf18("2","5","3","7","7","2","1") = "6"
    & skf18("2","5","3","7","7","3","1") = "6"
    & skf18("2","5","3","7","7","4","1") = "6"
    & skf18("2","5","3","7","7","5","1") = "6"
    & skf18("2","5","3","7","7","6","1") = "6"
    & skf18("2","5","3","7","7","7","1") = "6"
    & skf18("2","5","3","7","7","8","1") = "7"
    & skf18("2","5","3","7","7","9","1") = "8"
    & skf18("2","5","3","7","7","10","1") = "9"
    & skf18("2","5","3","7","8","1","1") = "7"
    & skf18("2","5","3","7","8","2","1") = "7"
    & skf18("2","5","3","7","8","3","1") = "7"
    & skf18("2","5","3","7","8","4","1") = "7"
    & skf18("2","5","3","7","8","5","1") = "7"
    & skf18("2","5","3","7","8","6","1") = "7"
    & skf18("2","5","3","7","8","7","1") = "7"
    & skf18("2","5","3","7","8","8","1") = "7"
    & skf18("2","5","3","7","8","9","1") = "8"
    & skf18("2","5","3","7","8","10","1") = "9"
    & skf18("2","5","3","7","9","1","1") = "8"
    & skf18("2","5","3","7","9","2","1") = "8"
    & skf18("2","5","3","7","9","3","1") = "8"
    & skf18("2","5","3","7","9","4","1") = "8"
    & skf18("2","5","3","7","9","5","1") = "8"
    & skf18("2","5","3","7","9","6","1") = "8"
    & skf18("2","5","3","7","9","7","1") = "8"
    & skf18("2","5","3","7","9","8","1") = "8"
    & skf18("2","5","3","7","9","9","1") = "8"
    & skf18("2","5","3","7","9","10","1") = "9"
    & skf18("2","5","3","7","10","1","1") = "9"
    & skf18("2","5","3","7","10","2","1") = "9"
    & skf18("2","5","3","7","10","3","1") = "9"
    & skf18("2","5","3","7","10","4","1") = "9"
    & skf18("2","5","3","7","10","5","1") = "9"
    & skf18("2","5","3","7","10","6","1") = "9"
    & skf18("2","5","3","7","10","7","1") = "9"
    & skf18("2","5","3","7","10","8","1") = "9"
    & skf18("2","5","3","7","10","9","1") = "9"
    & skf18("2","5","3","7","10","10","1") = "9"
    & skf18("2","5","3","8","1","1","1") = "7"
    & skf18("2","5","3","8","1","2","1") = "7"
    & skf18("2","5","3","8","1","3","1") = "7"
    & skf18("2","5","3","8","1","4","1") = "7"
    & skf18("2","5","3","8","1","5","1") = "7"
    & skf18("2","5","3","8","1","6","1") = "7"
    & skf18("2","5","3","8","1","7","1") = "7"
    & skf18("2","5","3","8","1","8","1") = "7"
    & skf18("2","5","3","8","1","9","1") = "8"
    & skf18("2","5","3","8","1","10","1") = "9"
    & skf18("2","5","3","8","2","1","1") = "7"
    & skf18("2","5","3","8","2","2","1") = "7"
    & skf18("2","5","3","8","2","3","1") = "7"
    & skf18("2","5","3","8","2","4","1") = "7"
    & skf18("2","5","3","8","2","5","1") = "7"
    & skf18("2","5","3","8","2","6","1") = "7"
    & skf18("2","5","3","8","2","7","1") = "7"
    & skf18("2","5","3","8","2","8","1") = "7"
    & skf18("2","5","3","8","2","9","1") = "8"
    & skf18("2","5","3","8","2","10","1") = "9"
    & skf18("2","5","3","8","3","1","1") = "7"
    & skf18("2","5","3","8","3","2","1") = "7"
    & skf18("2","5","3","8","3","3","1") = "7"
    & skf18("2","5","3","8","3","4","1") = "7"
    & skf18("2","5","3","8","3","5","1") = "7"
    & skf18("2","5","3","8","3","6","1") = "7"
    & skf18("2","5","3","8","3","7","1") = "7"
    & skf18("2","5","3","8","3","8","1") = "7"
    & skf18("2","5","3","8","3","9","1") = "8"
    & skf18("2","5","3","8","3","10","1") = "9"
    & skf18("2","5","3","8","4","1","1") = "7"
    & skf18("2","5","3","8","4","2","1") = "7"
    & skf18("2","5","3","8","4","3","1") = "7"
    & skf18("2","5","3","8","4","4","1") = "7"
    & skf18("2","5","3","8","4","5","1") = "7"
    & skf18("2","5","3","8","4","6","1") = "7"
    & skf18("2","5","3","8","4","7","1") = "7"
    & skf18("2","5","3","8","4","8","1") = "7"
    & skf18("2","5","3","8","4","9","1") = "8"
    & skf18("2","5","3","8","4","10","1") = "9"
    & skf18("2","5","3","8","5","1","1") = "7"
    & skf18("2","5","3","8","5","2","1") = "7"
    & skf18("2","5","3","8","5","3","1") = "7"
    & skf18("2","5","3","8","5","4","1") = "7"
    & skf18("2","5","3","8","5","5","1") = "7"
    & skf18("2","5","3","8","5","6","1") = "7"
    & skf18("2","5","3","8","5","7","1") = "7"
    & skf18("2","5","3","8","5","8","1") = "7"
    & skf18("2","5","3","8","5","9","1") = "8"
    & skf18("2","5","3","8","5","10","1") = "9"
    & skf18("2","5","3","8","6","1","1") = "7"
    & skf18("2","5","3","8","6","2","1") = "7"
    & skf18("2","5","3","8","6","3","1") = "7"
    & skf18("2","5","3","8","6","4","1") = "7"
    & skf18("2","5","3","8","6","5","1") = "7"
    & skf18("2","5","3","8","6","6","1") = "7"
    & skf18("2","5","3","8","6","7","1") = "7"
    & skf18("2","5","3","8","6","8","1") = "7"
    & skf18("2","5","3","8","6","9","1") = "8"
    & skf18("2","5","3","8","6","10","1") = "9"
    & skf18("2","5","3","8","7","1","1") = "7"
    & skf18("2","5","3","8","7","2","1") = "7"
    & skf18("2","5","3","8","7","3","1") = "7"
    & skf18("2","5","3","8","7","4","1") = "7"
    & skf18("2","5","3","8","7","5","1") = "7"
    & skf18("2","5","3","8","7","6","1") = "7"
    & skf18("2","5","3","8","7","7","1") = "7"
    & skf18("2","5","3","8","7","8","1") = "7"
    & skf18("2","5","3","8","7","9","1") = "8"
    & skf18("2","5","3","8","7","10","1") = "9"
    & skf18("2","5","3","8","8","1","1") = "7"
    & skf18("2","5","3","8","8","2","1") = "7"
    & skf18("2","5","3","8","8","3","1") = "7"
    & skf18("2","5","3","8","8","4","1") = "7"
    & skf18("2","5","3","8","8","5","1") = "7"
    & skf18("2","5","3","8","8","6","1") = "7"
    & skf18("2","5","3","8","8","7","1") = "7"
    & skf18("2","5","3","8","8","8","1") = "7"
    & skf18("2","5","3","8","8","9","1") = "8"
    & skf18("2","5","3","8","8","10","1") = "9"
    & skf18("2","5","3","8","9","1","1") = "8"
    & skf18("2","5","3","8","9","2","1") = "8"
    & skf18("2","5","3","8","9","3","1") = "8"
    & skf18("2","5","3","8","9","4","1") = "8"
    & skf18("2","5","3","8","9","5","1") = "8"
    & skf18("2","5","3","8","9","6","1") = "8"
    & skf18("2","5","3","8","9","7","1") = "8"
    & skf18("2","5","3","8","9","8","1") = "8"
    & skf18("2","5","3","8","9","9","1") = "8"
    & skf18("2","5","3","8","9","10","1") = "9"
    & skf18("2","5","3","8","10","1","1") = "9"
    & skf18("2","5","3","8","10","2","1") = "9"
    & skf18("2","5","3","8","10","3","1") = "9"
    & skf18("2","5","3","8","10","4","1") = "9"
    & skf18("2","5","3","8","10","5","1") = "9"
    & skf18("2","5","3","8","10","6","1") = "9"
    & skf18("2","5","3","8","10","7","1") = "9"
    & skf18("2","5","3","8","10","8","1") = "9"
    & skf18("2","5","3","8","10","9","1") = "9"
    & skf18("2","5","3","8","10","10","1") = "9"
    & skf18("2","5","3","9","1","1","1") = "8"
    & skf18("2","5","3","9","1","2","1") = "8"
    & skf18("2","5","3","9","1","3","1") = "8"
    & skf18("2","5","3","9","1","4","1") = "8"
    & skf18("2","5","3","9","1","5","1") = "8"
    & skf18("2","5","3","9","1","6","1") = "8"
    & skf18("2","5","3","9","1","7","1") = "8"
    & skf18("2","5","3","9","1","8","1") = "8"
    & skf18("2","5","3","9","1","9","1") = "8"
    & skf18("2","5","3","9","1","10","1") = "9"
    & skf18("2","5","3","9","2","1","1") = "8"
    & skf18("2","5","3","9","2","2","1") = "8"
    & skf18("2","5","3","9","2","3","1") = "8"
    & skf18("2","5","3","9","2","4","1") = "8"
    & skf18("2","5","3","9","2","5","1") = "8"
    & skf18("2","5","3","9","2","6","1") = "8"
    & skf18("2","5","3","9","2","7","1") = "8"
    & skf18("2","5","3","9","2","8","1") = "8"
    & skf18("2","5","3","9","2","9","1") = "8"
    & skf18("2","5","3","9","2","10","1") = "9"
    & skf18("2","5","3","9","3","1","1") = "8"
    & skf18("2","5","3","9","3","2","1") = "8"
    & skf18("2","5","3","9","3","3","1") = "8"
    & skf18("2","5","3","9","3","4","1") = "8"
    & skf18("2","5","3","9","3","5","1") = "8"
    & skf18("2","5","3","9","3","6","1") = "8"
    & skf18("2","5","3","9","3","7","1") = "8"
    & skf18("2","5","3","9","3","8","1") = "8"
    & skf18("2","5","3","9","3","9","1") = "8"
    & skf18("2","5","3","9","3","10","1") = "9"
    & skf18("2","5","3","9","4","1","1") = "8"
    & skf18("2","5","3","9","4","2","1") = "8"
    & skf18("2","5","3","9","4","3","1") = "8"
    & skf18("2","5","3","9","4","4","1") = "8"
    & skf18("2","5","3","9","4","5","1") = "8"
    & skf18("2","5","3","9","4","6","1") = "8"
    & skf18("2","5","3","9","4","7","1") = "8"
    & skf18("2","5","3","9","4","8","1") = "8"
    & skf18("2","5","3","9","4","9","1") = "8"
    & skf18("2","5","3","9","4","10","1") = "9"
    & skf18("2","5","3","9","5","1","1") = "8"
    & skf18("2","5","3","9","5","2","1") = "8"
    & skf18("2","5","3","9","5","3","1") = "8"
    & skf18("2","5","3","9","5","4","1") = "8"
    & skf18("2","5","3","9","5","5","1") = "8"
    & skf18("2","5","3","9","5","6","1") = "8"
    & skf18("2","5","3","9","5","7","1") = "8"
    & skf18("2","5","3","9","5","8","1") = "8"
    & skf18("2","5","3","9","5","9","1") = "8"
    & skf18("2","5","3","9","5","10","1") = "9"
    & skf18("2","5","3","9","6","1","1") = "8"
    & skf18("2","5","3","9","6","2","1") = "8"
    & skf18("2","5","3","9","6","3","1") = "8"
    & skf18("2","5","3","9","6","4","1") = "8"
    & skf18("2","5","3","9","6","5","1") = "8"
    & skf18("2","5","3","9","6","6","1") = "8"
    & skf18("2","5","3","9","6","7","1") = "8"
    & skf18("2","5","3","9","6","8","1") = "8"
    & skf18("2","5","3","9","6","9","1") = "8"
    & skf18("2","5","3","9","6","10","1") = "9"
    & skf18("2","5","3","9","7","1","1") = "8"
    & skf18("2","5","3","9","7","2","1") = "8"
    & skf18("2","5","3","9","7","3","1") = "8"
    & skf18("2","5","3","9","7","4","1") = "8"
    & skf18("2","5","3","9","7","5","1") = "8"
    & skf18("2","5","3","9","7","6","1") = "8"
    & skf18("2","5","3","9","7","7","1") = "8"
    & skf18("2","5","3","9","7","8","1") = "8"
    & skf18("2","5","3","9","7","9","1") = "8"
    & skf18("2","5","3","9","7","10","1") = "9"
    & skf18("2","5","3","9","8","1","1") = "8"
    & skf18("2","5","3","9","8","2","1") = "8"
    & skf18("2","5","3","9","8","3","1") = "8"
    & skf18("2","5","3","9","8","4","1") = "8"
    & skf18("2","5","3","9","8","5","1") = "8"
    & skf18("2","5","3","9","8","6","1") = "8"
    & skf18("2","5","3","9","8","7","1") = "8"
    & skf18("2","5","3","9","8","8","1") = "8"
    & skf18("2","5","3","9","8","9","1") = "8"
    & skf18("2","5","3","9","8","10","1") = "9"
    & skf18("2","5","3","9","9","1","1") = "8"
    & skf18("2","5","3","9","9","2","1") = "8"
    & skf18("2","5","3","9","9","3","1") = "8"
    & skf18("2","5","3","9","9","4","1") = "8"
    & skf18("2","5","3","9","9","5","1") = "8"
    & skf18("2","5","3","9","9","6","1") = "8"
    & skf18("2","5","3","9","9","7","1") = "8"
    & skf18("2","5","3","9","9","8","1") = "8"
    & skf18("2","5","3","9","9","9","1") = "8"
    & skf18("2","5","3","9","9","10","1") = "9"
    & skf18("2","5","3","9","10","1","1") = "9"
    & skf18("2","5","3","9","10","2","1") = "9"
    & skf18("2","5","3","9","10","3","1") = "9"
    & skf18("2","5","3","9","10","4","1") = "9"
    & skf18("2","5","3","9","10","5","1") = "9"
    & skf18("2","5","3","9","10","6","1") = "9"
    & skf18("2","5","3","9","10","7","1") = "9"
    & skf18("2","5","3","9","10","8","1") = "9"
    & skf18("2","5","3","9","10","9","1") = "9"
    & skf18("2","5","3","9","10","10","1") = "9"
    & skf18("2","5","3","10","1","1","1") = "9"
    & skf18("2","5","3","10","1","2","1") = "9"
    & skf18("2","5","3","10","1","3","1") = "9"
    & skf18("2","5","3","10","1","4","1") = "9"
    & skf18("2","5","3","10","1","5","1") = "9"
    & skf18("2","5","3","10","1","6","1") = "9"
    & skf18("2","5","3","10","1","7","1") = "9"
    & skf18("2","5","3","10","1","8","1") = "9"
    & skf18("2","5","3","10","1","9","1") = "9"
    & skf18("2","5","3","10","1","10","1") = "9"
    & skf18("2","5","3","10","2","1","1") = "9"
    & skf18("2","5","3","10","2","2","1") = "9"
    & skf18("2","5","3","10","2","3","1") = "9"
    & skf18("2","5","3","10","2","4","1") = "9"
    & skf18("2","5","3","10","2","5","1") = "9"
    & skf18("2","5","3","10","2","6","1") = "9"
    & skf18("2","5","3","10","2","7","1") = "9"
    & skf18("2","5","3","10","2","8","1") = "9"
    & skf18("2","5","3","10","2","9","1") = "9"
    & skf18("2","5","3","10","2","10","1") = "9"
    & skf18("2","5","3","10","3","1","1") = "9"
    & skf18("2","5","3","10","3","2","1") = "9"
    & skf18("2","5","3","10","3","3","1") = "9"
    & skf18("2","5","3","10","3","4","1") = "9"
    & skf18("2","5","3","10","3","5","1") = "9"
    & skf18("2","5","3","10","3","6","1") = "9"
    & skf18("2","5","3","10","3","7","1") = "9"
    & skf18("2","5","3","10","3","8","1") = "9"
    & skf18("2","5","3","10","3","9","1") = "9"
    & skf18("2","5","3","10","3","10","1") = "9"
    & skf18("2","5","3","10","4","1","1") = "9"
    & skf18("2","5","3","10","4","2","1") = "9"
    & skf18("2","5","3","10","4","3","1") = "9"
    & skf18("2","5","3","10","4","4","1") = "9"
    & skf18("2","5","3","10","4","5","1") = "9"
    & skf18("2","5","3","10","4","6","1") = "9"
    & skf18("2","5","3","10","4","7","1") = "9"
    & skf18("2","5","3","10","4","8","1") = "9"
    & skf18("2","5","3","10","4","9","1") = "9"
    & skf18("2","5","3","10","4","10","1") = "9"
    & skf18("2","5","3","10","5","1","1") = "9"
    & skf18("2","5","3","10","5","2","1") = "9"
    & skf18("2","5","3","10","5","3","1") = "9"
    & skf18("2","5","3","10","5","4","1") = "9"
    & skf18("2","5","3","10","5","5","1") = "9"
    & skf18("2","5","3","10","5","6","1") = "9"
    & skf18("2","5","3","10","5","7","1") = "9"
    & skf18("2","5","3","10","5","8","1") = "9"
    & skf18("2","5","3","10","5","9","1") = "9"
    & skf18("2","5","3","10","5","10","1") = "9"
    & skf18("2","5","3","10","6","1","1") = "9"
    & skf18("2","5","3","10","6","2","1") = "9"
    & skf18("2","5","3","10","6","3","1") = "9"
    & skf18("2","5","3","10","6","4","1") = "9"
    & skf18("2","5","3","10","6","5","1") = "9"
    & skf18("2","5","3","10","6","6","1") = "9"
    & skf18("2","5","3","10","6","7","1") = "9"
    & skf18("2","5","3","10","6","8","1") = "9"
    & skf18("2","5","3","10","6","9","1") = "9"
    & skf18("2","5","3","10","6","10","1") = "9"
    & skf18("2","5","3","10","7","1","1") = "9"
    & skf18("2","5","3","10","7","2","1") = "9"
    & skf18("2","5","3","10","7","3","1") = "9"
    & skf18("2","5","3","10","7","4","1") = "9"
    & skf18("2","5","3","10","7","5","1") = "9"
    & skf18("2","5","3","10","7","6","1") = "9"
    & skf18("2","5","3","10","7","7","1") = "9"
    & skf18("2","5","3","10","7","8","1") = "9"
    & skf18("2","5","3","10","7","9","1") = "9"
    & skf18("2","5","3","10","7","10","1") = "9"
    & skf18("2","5","3","10","8","1","1") = "9"
    & skf18("2","5","3","10","8","2","1") = "9"
    & skf18("2","5","3","10","8","3","1") = "9"
    & skf18("2","5","3","10","8","4","1") = "9"
    & skf18("2","5","3","10","8","5","1") = "9"
    & skf18("2","5","3","10","8","6","1") = "9"
    & skf18("2","5","3","10","8","7","1") = "9"
    & skf18("2","5","3","10","8","8","1") = "9"
    & skf18("2","5","3","10","8","9","1") = "9"
    & skf18("2","5","3","10","8","10","1") = "9"
    & skf18("2","5","3","10","9","1","1") = "9"
    & skf18("2","5","3","10","9","2","1") = "9"
    & skf18("2","5","3","10","9","3","1") = "9"
    & skf18("2","5","3","10","9","4","1") = "9"
    & skf18("2","5","3","10","9","5","1") = "9"
    & skf18("2","5","3","10","9","6","1") = "9"
    & skf18("2","5","3","10","9","7","1") = "9"
    & skf18("2","5","3","10","9","8","1") = "9"
    & skf18("2","5","3","10","9","9","1") = "9"
    & skf18("2","5","3","10","9","10","1") = "9"
    & skf18("2","5","3","10","10","1","1") = "9"
    & skf18("2","5","3","10","10","2","1") = "9"
    & skf18("2","5","3","10","10","3","1") = "9"
    & skf18("2","5","3","10","10","4","1") = "9"
    & skf18("2","5","3","10","10","5","1") = "9"
    & skf18("2","5","3","10","10","6","1") = "9"
    & skf18("2","5","3","10","10","7","1") = "9"
    & skf18("2","5","3","10","10","8","1") = "9"
    & skf18("2","5","3","10","10","9","1") = "9"
    & skf18("2","5","3","10","10","10","1") = "9"
    & skf18("2","5","4","1","1","1","1") = "4"
    & skf18("2","5","4","1","1","2","1") = "4"
    & skf18("2","5","4","1","1","3","1") = "4"
    & skf18("2","5","4","1","1","4","1") = "4"
    & skf18("2","5","4","1","1","5","1") = "4"
    & skf18("2","5","4","1","1","6","1") = "5"
    & skf18("2","5","4","1","1","7","1") = "6"
    & skf18("2","5","4","1","1","8","1") = "7"
    & skf18("2","5","4","1","1","9","1") = "8"
    & skf18("2","5","4","1","1","10","1") = "9"
    & skf18("2","5","4","1","2","1","1") = "4"
    & skf18("2","5","4","1","2","2","1") = "4"
    & skf18("2","5","4","1","2","3","1") = "4"
    & skf18("2","5","4","1","2","4","1") = "4"
    & skf18("2","5","4","1","2","5","1") = "4"
    & skf18("2","5","4","1","2","6","1") = "5"
    & skf18("2","5","4","1","2","7","1") = "6"
    & skf18("2","5","4","1","2","8","1") = "7"
    & skf18("2","5","4","1","2","9","1") = "8"
    & skf18("2","5","4","1","2","10","1") = "9"
    & skf18("2","5","4","1","3","1","1") = "4"
    & skf18("2","5","4","1","3","2","1") = "4"
    & skf18("2","5","4","1","3","3","1") = "4"
    & skf18("2","5","4","1","3","4","1") = "4"
    & skf18("2","5","4","1","3","5","1") = "4"
    & skf18("2","5","4","1","3","6","1") = "5"
    & skf18("2","5","4","1","3","7","1") = "6"
    & skf18("2","5","4","1","3","8","1") = "7"
    & skf18("2","5","4","1","3","9","1") = "8"
    & skf18("2","5","4","1","3","10","1") = "9"
    & skf18("2","5","4","1","4","1","1") = "4"
    & skf18("2","5","4","1","4","2","1") = "4"
    & skf18("2","5","4","1","4","3","1") = "4"
    & skf18("2","5","4","1","4","4","1") = "4"
    & skf18("2","5","4","1","4","5","1") = "4"
    & skf18("2","5","4","1","4","6","1") = "5"
    & skf18("2","5","4","1","4","7","1") = "6"
    & skf18("2","5","4","1","4","8","1") = "7"
    & skf18("2","5","4","1","4","9","1") = "8"
    & skf18("2","5","4","1","4","10","1") = "9"
    & skf18("2","5","4","1","5","1","1") = "4"
    & skf18("2","5","4","1","5","2","1") = "4"
    & skf18("2","5","4","1","5","3","1") = "4"
    & skf18("2","5","4","1","5","4","1") = "4"
    & skf18("2","5","4","1","5","5","1") = "4"
    & skf18("2","5","4","1","5","6","1") = "5"
    & skf18("2","5","4","1","5","7","1") = "6"
    & skf18("2","5","4","1","5","8","1") = "7"
    & skf18("2","5","4","1","5","9","1") = "8"
    & skf18("2","5","4","1","5","10","1") = "9"
    & skf18("2","5","4","1","6","1","1") = "5"
    & skf18("2","5","4","1","6","2","1") = "5"
    & skf18("2","5","4","1","6","3","1") = "5"
    & skf18("2","5","4","1","6","4","1") = "5"
    & skf18("2","5","4","1","6","5","1") = "5"
    & skf18("2","5","4","1","6","6","1") = "5"
    & skf18("2","5","4","1","6","7","1") = "6"
    & skf18("2","5","4","1","6","8","1") = "7"
    & skf18("2","5","4","1","6","9","1") = "8"
    & skf18("2","5","4","1","6","10","1") = "9"
    & skf18("2","5","4","1","7","1","1") = "6"
    & skf18("2","5","4","1","7","2","1") = "6"
    & skf18("2","5","4","1","7","3","1") = "6"
    & skf18("2","5","4","1","7","4","1") = "6"
    & skf18("2","5","4","1","7","5","1") = "6"
    & skf18("2","5","4","1","7","6","1") = "6"
    & skf18("2","5","4","1","7","7","1") = "6"
    & skf18("2","5","4","1","7","8","1") = "7"
    & skf18("2","5","4","1","7","9","1") = "8"
    & skf18("2","5","4","1","7","10","1") = "9"
    & skf18("2","5","4","1","8","1","1") = "7"
    & skf18("2","5","4","1","8","2","1") = "7"
    & skf18("2","5","4","1","8","3","1") = "7"
    & skf18("2","5","4","1","8","4","1") = "7"
    & skf18("2","5","4","1","8","5","1") = "7"
    & skf18("2","5","4","1","8","6","1") = "7"
    & skf18("2","5","4","1","8","7","1") = "7"
    & skf18("2","5","4","1","8","8","1") = "7"
    & skf18("2","5","4","1","8","9","1") = "8"
    & skf18("2","5","4","1","8","10","1") = "9"
    & skf18("2","5","4","1","9","1","1") = "8"
    & skf18("2","5","4","1","9","2","1") = "8"
    & skf18("2","5","4","1","9","3","1") = "8"
    & skf18("2","5","4","1","9","4","1") = "8"
    & skf18("2","5","4","1","9","5","1") = "8"
    & skf18("2","5","4","1","9","6","1") = "8"
    & skf18("2","5","4","1","9","7","1") = "8"
    & skf18("2","5","4","1","9","8","1") = "8"
    & skf18("2","5","4","1","9","9","1") = "8"
    & skf18("2","5","4","1","9","10","1") = "9"
    & skf18("2","5","4","1","10","1","1") = "9"
    & skf18("2","5","4","1","10","2","1") = "9"
    & skf18("2","5","4","1","10","3","1") = "9"
    & skf18("2","5","4","1","10","4","1") = "9"
    & skf18("2","5","4","1","10","5","1") = "9"
    & skf18("2","5","4","1","10","6","1") = "9"
    & skf18("2","5","4","1","10","7","1") = "9"
    & skf18("2","5","4","1","10","8","1") = "9"
    & skf18("2","5","4","1","10","9","1") = "9"
    & skf18("2","5","4","1","10","10","1") = "9"
    & skf18("2","5","4","2","1","1","1") = "4"
    & skf18("2","5","4","2","1","2","1") = "4"
    & skf18("2","5","4","2","1","3","1") = "4"
    & skf18("2","5","4","2","1","4","1") = "4"
    & skf18("2","5","4","2","1","5","1") = "4"
    & skf18("2","5","4","2","1","6","1") = "5"
    & skf18("2","5","4","2","1","7","1") = "6"
    & skf18("2","5","4","2","1","8","1") = "7"
    & skf18("2","5","4","2","1","9","1") = "8"
    & skf18("2","5","4","2","1","10","1") = "9"
    & skf18("2","5","4","2","2","1","1") = "4"
    & skf18("2","5","4","2","2","2","1") = "4"
    & skf18("2","5","4","2","2","3","1") = "4"
    & skf18("2","5","4","2","2","4","1") = "4"
    & skf18("2","5","4","2","2","5","1") = "4"
    & skf18("2","5","4","2","2","6","1") = "5"
    & skf18("2","5","4","2","2","7","1") = "6"
    & skf18("2","5","4","2","2","8","1") = "7"
    & skf18("2","5","4","2","2","9","1") = "8"
    & skf18("2","5","4","2","2","10","1") = "9"
    & skf18("2","5","4","2","3","1","1") = "4"
    & skf18("2","5","4","2","3","2","1") = "4"
    & skf18("2","5","4","2","3","3","1") = "4"
    & skf18("2","5","4","2","3","4","1") = "4"
    & skf18("2","5","4","2","3","5","1") = "4"
    & skf18("2","5","4","2","3","6","1") = "5"
    & skf18("2","5","4","2","3","7","1") = "6"
    & skf18("2","5","4","2","3","8","1") = "7"
    & skf18("2","5","4","2","3","9","1") = "8"
    & skf18("2","5","4","2","3","10","1") = "9"
    & skf18("2","5","4","2","4","1","1") = "4"
    & skf18("2","5","4","2","4","2","1") = "4"
    & skf18("2","5","4","2","4","3","1") = "4"
    & skf18("2","5","4","2","4","4","1") = "4"
    & skf18("2","5","4","2","4","5","1") = "4"
    & skf18("2","5","4","2","4","6","1") = "5"
    & skf18("2","5","4","2","4","7","1") = "6"
    & skf18("2","5","4","2","4","8","1") = "7"
    & skf18("2","5","4","2","4","9","1") = "8"
    & skf18("2","5","4","2","4","10","1") = "9"
    & skf18("2","5","4","2","5","1","1") = "4"
    & skf18("2","5","4","2","5","2","1") = "4"
    & skf18("2","5","4","2","5","3","1") = "4"
    & skf18("2","5","4","2","5","4","1") = "4"
    & skf18("2","5","4","2","5","5","1") = "4"
    & skf18("2","5","4","2","5","6","1") = "5"
    & skf18("2","5","4","2","5","7","1") = "6"
    & skf18("2","5","4","2","5","8","1") = "7"
    & skf18("2","5","4","2","5","9","1") = "8"
    & skf18("2","5","4","2","5","10","1") = "9"
    & skf18("2","5","4","2","6","1","1") = "5"
    & skf18("2","5","4","2","6","2","1") = "5"
    & skf18("2","5","4","2","6","3","1") = "5"
    & skf18("2","5","4","2","6","4","1") = "5"
    & skf18("2","5","4","2","6","5","1") = "5"
    & skf18("2","5","4","2","6","6","1") = "5"
    & skf18("2","5","4","2","6","7","1") = "6"
    & skf18("2","5","4","2","6","8","1") = "7"
    & skf18("2","5","4","2","6","9","1") = "8"
    & skf18("2","5","4","2","6","10","1") = "9"
    & skf18("2","5","4","2","7","1","1") = "6"
    & skf18("2","5","4","2","7","2","1") = "6"
    & skf18("2","5","4","2","7","3","1") = "6"
    & skf18("2","5","4","2","7","4","1") = "6"
    & skf18("2","5","4","2","7","5","1") = "6"
    & skf18("2","5","4","2","7","6","1") = "6"
    & skf18("2","5","4","2","7","7","1") = "6"
    & skf18("2","5","4","2","7","8","1") = "7"
    & skf18("2","5","4","2","7","9","1") = "8"
    & skf18("2","5","4","2","7","10","1") = "9"
    & skf18("2","5","4","2","8","1","1") = "7"
    & skf18("2","5","4","2","8","2","1") = "7"
    & skf18("2","5","4","2","8","3","1") = "7"
    & skf18("2","5","4","2","8","4","1") = "7"
    & skf18("2","5","4","2","8","5","1") = "7"
    & skf18("2","5","4","2","8","6","1") = "7"
    & skf18("2","5","4","2","8","7","1") = "7"
    & skf18("2","5","4","2","8","8","1") = "7"
    & skf18("2","5","4","2","8","9","1") = "8"
    & skf18("2","5","4","2","8","10","1") = "9"
    & skf18("2","5","4","2","9","1","1") = "8"
    & skf18("2","5","4","2","9","2","1") = "8"
    & skf18("2","5","4","2","9","3","1") = "8"
    & skf18("2","5","4","2","9","4","1") = "8"
    & skf18("2","5","4","2","9","5","1") = "8"
    & skf18("2","5","4","2","9","6","1") = "8"
    & skf18("2","5","4","2","9","7","1") = "8"
    & skf18("2","5","4","2","9","8","1") = "8"
    & skf18("2","5","4","2","9","9","1") = "8"
    & skf18("2","5","4","2","9","10","1") = "9"
    & skf18("2","5","4","2","10","1","1") = "9"
    & skf18("2","5","4","2","10","2","1") = "9"
    & skf18("2","5","4","2","10","3","1") = "9"
    & skf18("2","5","4","2","10","4","1") = "9"
    & skf18("2","5","4","2","10","5","1") = "9"
    & skf18("2","5","4","2","10","6","1") = "9"
    & skf18("2","5","4","2","10","7","1") = "9"
    & skf18("2","5","4","2","10","8","1") = "9"
    & skf18("2","5","4","2","10","9","1") = "9"
    & skf18("2","5","4","2","10","10","1") = "9"
    & skf18("2","5","4","3","1","1","1") = "4"
    & skf18("2","5","4","3","1","2","1") = "4"
    & skf18("2","5","4","3","1","3","1") = "4"
    & skf18("2","5","4","3","1","4","1") = "4"
    & skf18("2","5","4","3","1","5","1") = "4"
    & skf18("2","5","4","3","1","6","1") = "5"
    & skf18("2","5","4","3","1","7","1") = "6"
    & skf18("2","5","4","3","1","8","1") = "7"
    & skf18("2","5","4","3","1","9","1") = "8"
    & skf18("2","5","4","3","1","10","1") = "9"
    & skf18("2","5","4","3","2","1","1") = "4"
    & skf18("2","5","4","3","2","2","1") = "4"
    & skf18("2","5","4","3","2","3","1") = "4"
    & skf18("2","5","4","3","2","4","1") = "4"
    & skf18("2","5","4","3","2","5","1") = "4"
    & skf18("2","5","4","3","2","6","1") = "5"
    & skf18("2","5","4","3","2","7","1") = "6"
    & skf18("2","5","4","3","2","8","1") = "7"
    & skf18("2","5","4","3","2","9","1") = "8"
    & skf18("2","5","4","3","2","10","1") = "9"
    & skf18("2","5","4","3","3","1","1") = "4"
    & skf18("2","5","4","3","3","2","1") = "4"
    & skf18("2","5","4","3","3","3","1") = "4"
    & skf18("2","5","4","3","3","4","1") = "4"
    & skf18("2","5","4","3","3","5","1") = "4"
    & skf18("2","5","4","3","3","6","1") = "5"
    & skf18("2","5","4","3","3","7","1") = "6"
    & skf18("2","5","4","3","3","8","1") = "7"
    & skf18("2","5","4","3","3","9","1") = "8"
    & skf18("2","5","4","3","3","10","1") = "9"
    & skf18("2","5","4","3","4","1","1") = "4"
    & skf18("2","5","4","3","4","2","1") = "4"
    & skf18("2","5","4","3","4","3","1") = "4"
    & skf18("2","5","4","3","4","4","1") = "4"
    & skf18("2","5","4","3","4","5","1") = "4"
    & skf18("2","5","4","3","4","6","1") = "5"
    & skf18("2","5","4","3","4","7","1") = "6"
    & skf18("2","5","4","3","4","8","1") = "7"
    & skf18("2","5","4","3","4","9","1") = "8"
    & skf18("2","5","4","3","4","10","1") = "9"
    & skf18("2","5","4","3","5","1","1") = "4"
    & skf18("2","5","4","3","5","2","1") = "4"
    & skf18("2","5","4","3","5","3","1") = "4"
    & skf18("2","5","4","3","5","4","1") = "4"
    & skf18("2","5","4","3","5","5","1") = "4"
    & skf18("2","5","4","3","5","6","1") = "5"
    & skf18("2","5","4","3","5","7","1") = "6"
    & skf18("2","5","4","3","5","8","1") = "7"
    & skf18("2","5","4","3","5","9","1") = "8"
    & skf18("2","5","4","3","5","10","1") = "9"
    & skf18("2","5","4","3","6","1","1") = "5"
    & skf18("2","5","4","3","6","2","1") = "5"
    & skf18("2","5","4","3","6","3","1") = "5"
    & skf18("2","5","4","3","6","4","1") = "5"
    & skf18("2","5","4","3","6","5","1") = "5"
    & skf18("2","5","4","3","6","6","1") = "5"
    & skf18("2","5","4","3","6","7","1") = "6"
    & skf18("2","5","4","3","6","8","1") = "7"
    & skf18("2","5","4","3","6","9","1") = "8"
    & skf18("2","5","4","3","6","10","1") = "9"
    & skf18("2","5","4","3","7","1","1") = "6"
    & skf18("2","5","4","3","7","2","1") = "6"
    & skf18("2","5","4","3","7","3","1") = "6"
    & skf18("2","5","4","3","7","4","1") = "6"
    & skf18("2","5","4","3","7","5","1") = "6"
    & skf18("2","5","4","3","7","6","1") = "6"
    & skf18("2","5","4","3","7","7","1") = "6"
    & skf18("2","5","4","3","7","8","1") = "7"
    & skf18("2","5","4","3","7","9","1") = "8"
    & skf18("2","5","4","3","7","10","1") = "9"
    & skf18("2","5","4","3","8","1","1") = "7"
    & skf18("2","5","4","3","8","2","1") = "7"
    & skf18("2","5","4","3","8","3","1") = "7"
    & skf18("2","5","4","3","8","4","1") = "7"
    & skf18("2","5","4","3","8","5","1") = "7"
    & skf18("2","5","4","3","8","6","1") = "7"
    & skf18("2","5","4","3","8","7","1") = "7"
    & skf18("2","5","4","3","8","8","1") = "7"
    & skf18("2","5","4","3","8","9","1") = "8"
    & skf18("2","5","4","3","8","10","1") = "9"
    & skf18("2","5","4","3","9","1","1") = "8"
    & skf18("2","5","4","3","9","2","1") = "8"
    & skf18("2","5","4","3","9","3","1") = "8"
    & skf18("2","5","4","3","9","4","1") = "8"
    & skf18("2","5","4","3","9","5","1") = "8"
    & skf18("2","5","4","3","9","6","1") = "8"
    & skf18("2","5","4","3","9","7","1") = "8"
    & skf18("2","5","4","3","9","8","1") = "8"
    & skf18("2","5","4","3","9","9","1") = "8"
    & skf18("2","5","4","3","9","10","1") = "9"
    & skf18("2","5","4","3","10","1","1") = "9"
    & skf18("2","5","4","3","10","2","1") = "9"
    & skf18("2","5","4","3","10","3","1") = "9"
    & skf18("2","5","4","3","10","4","1") = "9"
    & skf18("2","5","4","3","10","5","1") = "9"
    & skf18("2","5","4","3","10","6","1") = "9"
    & skf18("2","5","4","3","10","7","1") = "9"
    & skf18("2","5","4","3","10","8","1") = "9"
    & skf18("2","5","4","3","10","9","1") = "9"
    & skf18("2","5","4","3","10","10","1") = "9"
    & skf18("2","5","4","4","1","1","1") = "4"
    & skf18("2","5","4","4","1","2","1") = "4"
    & skf18("2","5","4","4","1","3","1") = "4"
    & skf18("2","5","4","4","1","4","1") = "4"
    & skf18("2","5","4","4","1","5","1") = "4"
    & skf18("2","5","4","4","1","6","1") = "5"
    & skf18("2","5","4","4","1","7","1") = "6"
    & skf18("2","5","4","4","1","8","1") = "7"
    & skf18("2","5","4","4","1","9","1") = "8"
    & skf18("2","5","4","4","1","10","1") = "9"
    & skf18("2","5","4","4","2","1","1") = "4"
    & skf18("2","5","4","4","2","2","1") = "4"
    & skf18("2","5","4","4","2","3","1") = "4"
    & skf18("2","5","4","4","2","4","1") = "4"
    & skf18("2","5","4","4","2","5","1") = "4"
    & skf18("2","5","4","4","2","6","1") = "5"
    & skf18("2","5","4","4","2","7","1") = "6"
    & skf18("2","5","4","4","2","8","1") = "7"
    & skf18("2","5","4","4","2","9","1") = "8"
    & skf18("2","5","4","4","2","10","1") = "9"
    & skf18("2","5","4","4","3","1","1") = "4"
    & skf18("2","5","4","4","3","2","1") = "4"
    & skf18("2","5","4","4","3","3","1") = "4"
    & skf18("2","5","4","4","3","4","1") = "4"
    & skf18("2","5","4","4","3","5","1") = "4"
    & skf18("2","5","4","4","3","6","1") = "5"
    & skf18("2","5","4","4","3","7","1") = "6"
    & skf18("2","5","4","4","3","8","1") = "7"
    & skf18("2","5","4","4","3","9","1") = "8"
    & skf18("2","5","4","4","3","10","1") = "9"
    & skf18("2","5","4","4","4","1","1") = "4"
    & skf18("2","5","4","4","4","2","1") = "4"
    & skf18("2","5","4","4","4","3","1") = "4"
    & skf18("2","5","4","4","4","4","1") = "4"
    & skf18("2","5","4","4","4","5","1") = "4"
    & skf18("2","5","4","4","4","6","1") = "5"
    & skf18("2","5","4","4","4","7","1") = "6"
    & skf18("2","5","4","4","4","8","1") = "7"
    & skf18("2","5","4","4","4","9","1") = "8"
    & skf18("2","5","4","4","4","10","1") = "9"
    & skf18("2","5","4","4","5","1","1") = "4"
    & skf18("2","5","4","4","5","2","1") = "4"
    & skf18("2","5","4","4","5","3","1") = "4"
    & skf18("2","5","4","4","5","4","1") = "4"
    & skf18("2","5","4","4","5","5","1") = "4"
    & skf18("2","5","4","4","5","6","1") = "5"
    & skf18("2","5","4","4","5","7","1") = "6"
    & skf18("2","5","4","4","5","8","1") = "7"
    & skf18("2","5","4","4","5","9","1") = "8"
    & skf18("2","5","4","4","5","10","1") = "9"
    & skf18("2","5","4","4","6","1","1") = "5"
    & skf18("2","5","4","4","6","2","1") = "5"
    & skf18("2","5","4","4","6","3","1") = "5"
    & skf18("2","5","4","4","6","4","1") = "5"
    & skf18("2","5","4","4","6","5","1") = "5"
    & skf18("2","5","4","4","6","6","1") = "5"
    & skf18("2","5","4","4","6","7","1") = "6"
    & skf18("2","5","4","4","6","8","1") = "7"
    & skf18("2","5","4","4","6","9","1") = "8"
    & skf18("2","5","4","4","6","10","1") = "9"
    & skf18("2","5","4","4","7","1","1") = "6"
    & skf18("2","5","4","4","7","2","1") = "6"
    & skf18("2","5","4","4","7","3","1") = "6"
    & skf18("2","5","4","4","7","4","1") = "6"
    & skf18("2","5","4","4","7","5","1") = "6"
    & skf18("2","5","4","4","7","6","1") = "6"
    & skf18("2","5","4","4","7","7","1") = "6"
    & skf18("2","5","4","4","7","8","1") = "7"
    & skf18("2","5","4","4","7","9","1") = "8"
    & skf18("2","5","4","4","7","10","1") = "9"
    & skf18("2","5","4","4","8","1","1") = "7"
    & skf18("2","5","4","4","8","2","1") = "7"
    & skf18("2","5","4","4","8","3","1") = "7"
    & skf18("2","5","4","4","8","4","1") = "7"
    & skf18("2","5","4","4","8","5","1") = "7"
    & skf18("2","5","4","4","8","6","1") = "7"
    & skf18("2","5","4","4","8","7","1") = "7"
    & skf18("2","5","4","4","8","8","1") = "7"
    & skf18("2","5","4","4","8","9","1") = "8"
    & skf18("2","5","4","4","8","10","1") = "9"
    & skf18("2","5","4","4","9","1","1") = "8"
    & skf18("2","5","4","4","9","2","1") = "8"
    & skf18("2","5","4","4","9","3","1") = "8"
    & skf18("2","5","4","4","9","4","1") = "8"
    & skf18("2","5","4","4","9","5","1") = "8"
    & skf18("2","5","4","4","9","6","1") = "8"
    & skf18("2","5","4","4","9","7","1") = "8"
    & skf18("2","5","4","4","9","8","1") = "8"
    & skf18("2","5","4","4","9","9","1") = "8"
    & skf18("2","5","4","4","9","10","1") = "9"
    & skf18("2","5","4","4","10","1","1") = "9"
    & skf18("2","5","4","4","10","2","1") = "9"
    & skf18("2","5","4","4","10","3","1") = "9"
    & skf18("2","5","4","4","10","4","1") = "9"
    & skf18("2","5","4","4","10","5","1") = "9"
    & skf18("2","5","4","4","10","6","1") = "9"
    & skf18("2","5","4","4","10","7","1") = "9"
    & skf18("2","5","4","4","10","8","1") = "9"
    & skf18("2","5","4","4","10","9","1") = "9"
    & skf18("2","5","4","4","10","10","1") = "9"
    & skf18("2","5","4","5","1","1","1") = "4"
    & skf18("2","5","4","5","1","2","1") = "4"
    & skf18("2","5","4","5","1","3","1") = "4"
    & skf18("2","5","4","5","1","4","1") = "4"
    & skf18("2","5","4","5","1","5","1") = "4"
    & skf18("2","5","4","5","1","6","1") = "5"
    & skf18("2","5","4","5","1","7","1") = "6"
    & skf18("2","5","4","5","1","8","1") = "7"
    & skf18("2","5","4","5","1","9","1") = "8"
    & skf18("2","5","4","5","1","10","1") = "9"
    & skf18("2","5","4","5","2","1","1") = "4"
    & skf18("2","5","4","5","2","2","1") = "4"
    & skf18("2","5","4","5","2","3","1") = "4"
    & skf18("2","5","4","5","2","4","1") = "4"
    & skf18("2","5","4","5","2","5","1") = "4"
    & skf18("2","5","4","5","2","6","1") = "5"
    & skf18("2","5","4","5","2","7","1") = "6"
    & skf18("2","5","4","5","2","8","1") = "7"
    & skf18("2","5","4","5","2","9","1") = "8"
    & skf18("2","5","4","5","2","10","1") = "9"
    & skf18("2","5","4","5","3","1","1") = "4"
    & skf18("2","5","4","5","3","2","1") = "4"
    & skf18("2","5","4","5","3","3","1") = "4"
    & skf18("2","5","4","5","3","4","1") = "4"
    & skf18("2","5","4","5","3","5","1") = "4"
    & skf18("2","5","4","5","3","6","1") = "5"
    & skf18("2","5","4","5","3","7","1") = "6"
    & skf18("2","5","4","5","3","8","1") = "7"
    & skf18("2","5","4","5","3","9","1") = "8"
    & skf18("2","5","4","5","3","10","1") = "9"
    & skf18("2","5","4","5","4","1","1") = "4"
    & skf18("2","5","4","5","4","2","1") = "4"
    & skf18("2","5","4","5","4","3","1") = "4"
    & skf18("2","5","4","5","4","4","1") = "4"
    & skf18("2","5","4","5","4","5","1") = "4"
    & skf18("2","5","4","5","4","6","1") = "5"
    & skf18("2","5","4","5","4","7","1") = "6"
    & skf18("2","5","4","5","4","8","1") = "7"
    & skf18("2","5","4","5","4","9","1") = "8"
    & skf18("2","5","4","5","4","10","1") = "9"
    & skf18("2","5","4","5","5","1","1") = "4"
    & skf18("2","5","4","5","5","2","1") = "4"
    & skf18("2","5","4","5","5","3","1") = "4"
    & skf18("2","5","4","5","5","4","1") = "4"
    & skf18("2","5","4","5","5","5","1") = "4"
    & skf18("2","5","4","5","5","6","1") = "5"
    & skf18("2","5","4","5","5","7","1") = "6"
    & skf18("2","5","4","5","5","8","1") = "7"
    & skf18("2","5","4","5","5","9","1") = "8"
    & skf18("2","5","4","5","5","10","1") = "9"
    & skf18("2","5","4","5","6","1","1") = "5"
    & skf18("2","5","4","5","6","2","1") = "5"
    & skf18("2","5","4","5","6","3","1") = "5"
    & skf18("2","5","4","5","6","4","1") = "5"
    & skf18("2","5","4","5","6","5","1") = "5"
    & skf18("2","5","4","5","6","6","1") = "5"
    & skf18("2","5","4","5","6","7","1") = "6"
    & skf18("2","5","4","5","6","8","1") = "7"
    & skf18("2","5","4","5","6","9","1") = "8"
    & skf18("2","5","4","5","6","10","1") = "9"
    & skf18("2","5","4","5","7","1","1") = "6"
    & skf18("2","5","4","5","7","2","1") = "6"
    & skf18("2","5","4","5","7","3","1") = "6"
    & skf18("2","5","4","5","7","4","1") = "6"
    & skf18("2","5","4","5","7","5","1") = "6"
    & skf18("2","5","4","5","7","6","1") = "6"
    & skf18("2","5","4","5","7","7","1") = "6"
    & skf18("2","5","4","5","7","8","1") = "7"
    & skf18("2","5","4","5","7","9","1") = "8"
    & skf18("2","5","4","5","7","10","1") = "9"
    & skf18("2","5","4","5","8","1","1") = "7"
    & skf18("2","5","4","5","8","2","1") = "7"
    & skf18("2","5","4","5","8","3","1") = "7"
    & skf18("2","5","4","5","8","4","1") = "7"
    & skf18("2","5","4","5","8","5","1") = "7"
    & skf18("2","5","4","5","8","6","1") = "7"
    & skf18("2","5","4","5","8","7","1") = "7"
    & skf18("2","5","4","5","8","8","1") = "7"
    & skf18("2","5","4","5","8","9","1") = "8"
    & skf18("2","5","4","5","8","10","1") = "9"
    & skf18("2","5","4","5","9","1","1") = "8"
    & skf18("2","5","4","5","9","2","1") = "8"
    & skf18("2","5","4","5","9","3","1") = "8"
    & skf18("2","5","4","5","9","4","1") = "8"
    & skf18("2","5","4","5","9","5","1") = "8"
    & skf18("2","5","4","5","9","6","1") = "8"
    & skf18("2","5","4","5","9","7","1") = "8"
    & skf18("2","5","4","5","9","8","1") = "8"
    & skf18("2","5","4","5","9","9","1") = "8"
    & skf18("2","5","4","5","9","10","1") = "9"
    & skf18("2","5","4","5","10","1","1") = "9"
    & skf18("2","5","4","5","10","2","1") = "9"
    & skf18("2","5","4","5","10","3","1") = "9"
    & skf18("2","5","4","5","10","4","1") = "9"
    & skf18("2","5","4","5","10","5","1") = "9"
    & skf18("2","5","4","5","10","6","1") = "9"
    & skf18("2","5","4","5","10","7","1") = "9"
    & skf18("2","5","4","5","10","8","1") = "9"
    & skf18("2","5","4","5","10","9","1") = "9"
    & skf18("2","5","4","5","10","10","1") = "9"
    & skf18("2","5","4","6","1","1","1") = "5"
    & skf18("2","5","4","6","1","2","1") = "5"
    & skf18("2","5","4","6","1","3","1") = "5"
    & skf18("2","5","4","6","1","4","1") = "5"
    & skf18("2","5","4","6","1","5","1") = "5"
    & skf18("2","5","4","6","1","6","1") = "5"
    & skf18("2","5","4","6","1","7","1") = "6"
    & skf18("2","5","4","6","1","8","1") = "7"
    & skf18("2","5","4","6","1","9","1") = "8"
    & skf18("2","5","4","6","1","10","1") = "9"
    & skf18("2","5","4","6","2","1","1") = "5"
    & skf18("2","5","4","6","2","2","1") = "5"
    & skf18("2","5","4","6","2","3","1") = "5"
    & skf18("2","5","4","6","2","4","1") = "5"
    & skf18("2","5","4","6","2","5","1") = "5"
    & skf18("2","5","4","6","2","6","1") = "5"
    & skf18("2","5","4","6","2","7","1") = "6"
    & skf18("2","5","4","6","2","8","1") = "7"
    & skf18("2","5","4","6","2","9","1") = "8"
    & skf18("2","5","4","6","2","10","1") = "9"
    & skf18("2","5","4","6","3","1","1") = "5"
    & skf18("2","5","4","6","3","2","1") = "5"
    & skf18("2","5","4","6","3","3","1") = "5"
    & skf18("2","5","4","6","3","4","1") = "5"
    & skf18("2","5","4","6","3","5","1") = "5"
    & skf18("2","5","4","6","3","6","1") = "5"
    & skf18("2","5","4","6","3","7","1") = "6"
    & skf18("2","5","4","6","3","8","1") = "7"
    & skf18("2","5","4","6","3","9","1") = "8"
    & skf18("2","5","4","6","3","10","1") = "9"
    & skf18("2","5","4","6","4","1","1") = "5"
    & skf18("2","5","4","6","4","2","1") = "5"
    & skf18("2","5","4","6","4","3","1") = "5"
    & skf18("2","5","4","6","4","4","1") = "5"
    & skf18("2","5","4","6","4","5","1") = "5"
    & skf18("2","5","4","6","4","6","1") = "5"
    & skf18("2","5","4","6","4","7","1") = "6"
    & skf18("2","5","4","6","4","8","1") = "7"
    & skf18("2","5","4","6","4","9","1") = "8"
    & skf18("2","5","4","6","4","10","1") = "9"
    & skf18("2","5","4","6","5","1","1") = "5"
    & skf18("2","5","4","6","5","2","1") = "5"
    & skf18("2","5","4","6","5","3","1") = "5"
    & skf18("2","5","4","6","5","4","1") = "5"
    & skf18("2","5","4","6","5","5","1") = "5"
    & skf18("2","5","4","6","5","6","1") = "5"
    & skf18("2","5","4","6","5","7","1") = "6"
    & skf18("2","5","4","6","5","8","1") = "7"
    & skf18("2","5","4","6","5","9","1") = "8"
    & skf18("2","5","4","6","5","10","1") = "9"
    & skf18("2","5","4","6","6","1","1") = "5"
    & skf18("2","5","4","6","6","2","1") = "5"
    & skf18("2","5","4","6","6","3","1") = "5"
    & skf18("2","5","4","6","6","4","1") = "5"
    & skf18("2","5","4","6","6","5","1") = "5"
    & skf18("2","5","4","6","6","6","1") = "5"
    & skf18("2","5","4","6","6","7","1") = "6"
    & skf18("2","5","4","6","6","8","1") = "7"
    & skf18("2","5","4","6","6","9","1") = "8"
    & skf18("2","5","4","6","6","10","1") = "9"
    & skf18("2","5","4","6","7","1","1") = "6"
    & skf18("2","5","4","6","7","2","1") = "6"
    & skf18("2","5","4","6","7","3","1") = "6"
    & skf18("2","5","4","6","7","4","1") = "6"
    & skf18("2","5","4","6","7","5","1") = "6"
    & skf18("2","5","4","6","7","6","1") = "6"
    & skf18("2","5","4","6","7","7","1") = "6"
    & skf18("2","5","4","6","7","8","1") = "7"
    & skf18("2","5","4","6","7","9","1") = "8"
    & skf18("2","5","4","6","7","10","1") = "9"
    & skf18("2","5","4","6","8","1","1") = "7"
    & skf18("2","5","4","6","8","2","1") = "7"
    & skf18("2","5","4","6","8","3","1") = "7"
    & skf18("2","5","4","6","8","4","1") = "7"
    & skf18("2","5","4","6","8","5","1") = "7"
    & skf18("2","5","4","6","8","6","1") = "7"
    & skf18("2","5","4","6","8","7","1") = "7"
    & skf18("2","5","4","6","8","8","1") = "7"
    & skf18("2","5","4","6","8","9","1") = "8"
    & skf18("2","5","4","6","8","10","1") = "9"
    & skf18("2","5","4","6","9","1","1") = "8"
    & skf18("2","5","4","6","9","2","1") = "8"
    & skf18("2","5","4","6","9","3","1") = "8"
    & skf18("2","5","4","6","9","4","1") = "8"
    & skf18("2","5","4","6","9","5","1") = "8"
    & skf18("2","5","4","6","9","6","1") = "8"
    & skf18("2","5","4","6","9","7","1") = "8"
    & skf18("2","5","4","6","9","8","1") = "8"
    & skf18("2","5","4","6","9","9","1") = "8"
    & skf18("2","5","4","6","9","10","1") = "9"
    & skf18("2","5","4","6","10","1","1") = "9"
    & skf18("2","5","4","6","10","2","1") = "9"
    & skf18("2","5","4","6","10","3","1") = "9"
    & skf18("2","5","4","6","10","4","1") = "9"
    & skf18("2","5","4","6","10","5","1") = "9"
    & skf18("2","5","4","6","10","6","1") = "9"
    & skf18("2","5","4","6","10","7","1") = "9"
    & skf18("2","5","4","6","10","8","1") = "9"
    & skf18("2","5","4","6","10","9","1") = "9"
    & skf18("2","5","4","6","10","10","1") = "9"
    & skf18("2","5","4","7","1","1","1") = "6"
    & skf18("2","5","4","7","1","2","1") = "6"
    & skf18("2","5","4","7","1","3","1") = "6"
    & skf18("2","5","4","7","1","4","1") = "6"
    & skf18("2","5","4","7","1","5","1") = "6"
    & skf18("2","5","4","7","1","6","1") = "6"
    & skf18("2","5","4","7","1","7","1") = "6"
    & skf18("2","5","4","7","1","8","1") = "7"
    & skf18("2","5","4","7","1","9","1") = "8"
    & skf18("2","5","4","7","1","10","1") = "9"
    & skf18("2","5","4","7","2","1","1") = "6"
    & skf18("2","5","4","7","2","2","1") = "6"
    & skf18("2","5","4","7","2","3","1") = "6"
    & skf18("2","5","4","7","2","4","1") = "6"
    & skf18("2","5","4","7","2","5","1") = "6"
    & skf18("2","5","4","7","2","6","1") = "6"
    & skf18("2","5","4","7","2","7","1") = "6"
    & skf18("2","5","4","7","2","8","1") = "7"
    & skf18("2","5","4","7","2","9","1") = "8"
    & skf18("2","5","4","7","2","10","1") = "9"
    & skf18("2","5","4","7","3","1","1") = "6"
    & skf18("2","5","4","7","3","2","1") = "6"
    & skf18("2","5","4","7","3","3","1") = "6"
    & skf18("2","5","4","7","3","4","1") = "6"
    & skf18("2","5","4","7","3","5","1") = "6"
    & skf18("2","5","4","7","3","6","1") = "6"
    & skf18("2","5","4","7","3","7","1") = "6"
    & skf18("2","5","4","7","3","8","1") = "7"
    & skf18("2","5","4","7","3","9","1") = "8"
    & skf18("2","5","4","7","3","10","1") = "9"
    & skf18("2","5","4","7","4","1","1") = "6"
    & skf18("2","5","4","7","4","2","1") = "6"
    & skf18("2","5","4","7","4","3","1") = "6"
    & skf18("2","5","4","7","4","4","1") = "6"
    & skf18("2","5","4","7","4","5","1") = "6"
    & skf18("2","5","4","7","4","6","1") = "6"
    & skf18("2","5","4","7","4","7","1") = "6"
    & skf18("2","5","4","7","4","8","1") = "7"
    & skf18("2","5","4","7","4","9","1") = "8"
    & skf18("2","5","4","7","4","10","1") = "9"
    & skf18("2","5","4","7","5","1","1") = "6"
    & skf18("2","5","4","7","5","2","1") = "6"
    & skf18("2","5","4","7","5","3","1") = "6"
    & skf18("2","5","4","7","5","4","1") = "6"
    & skf18("2","5","4","7","5","5","1") = "6"
    & skf18("2","5","4","7","5","6","1") = "6"
    & skf18("2","5","4","7","5","7","1") = "6"
    & skf18("2","5","4","7","5","8","1") = "7"
    & skf18("2","5","4","7","5","9","1") = "8"
    & skf18("2","5","4","7","5","10","1") = "9"
    & skf18("2","5","4","7","6","1","1") = "6"
    & skf18("2","5","4","7","6","2","1") = "6"
    & skf18("2","5","4","7","6","3","1") = "6"
    & skf18("2","5","4","7","6","4","1") = "6"
    & skf18("2","5","4","7","6","5","1") = "6"
    & skf18("2","5","4","7","6","6","1") = "6"
    & skf18("2","5","4","7","6","7","1") = "6"
    & skf18("2","5","4","7","6","8","1") = "7"
    & skf18("2","5","4","7","6","9","1") = "8"
    & skf18("2","5","4","7","6","10","1") = "9"
    & skf18("2","5","4","7","7","1","1") = "6"
    & skf18("2","5","4","7","7","2","1") = "6"
    & skf18("2","5","4","7","7","3","1") = "6"
    & skf18("2","5","4","7","7","4","1") = "6"
    & skf18("2","5","4","7","7","5","1") = "6"
    & skf18("2","5","4","7","7","6","1") = "6"
    & skf18("2","5","4","7","7","7","1") = "6"
    & skf18("2","5","4","7","7","8","1") = "7"
    & skf18("2","5","4","7","7","9","1") = "8"
    & skf18("2","5","4","7","7","10","1") = "9"
    & skf18("2","5","4","7","8","1","1") = "7"
    & skf18("2","5","4","7","8","2","1") = "7"
    & skf18("2","5","4","7","8","3","1") = "7"
    & skf18("2","5","4","7","8","4","1") = "7"
    & skf18("2","5","4","7","8","5","1") = "7"
    & skf18("2","5","4","7","8","6","1") = "7"
    & skf18("2","5","4","7","8","7","1") = "7"
    & skf18("2","5","4","7","8","8","1") = "7"
    & skf18("2","5","4","7","8","9","1") = "8"
    & skf18("2","5","4","7","8","10","1") = "9"
    & skf18("2","5","4","7","9","1","1") = "8"
    & skf18("2","5","4","7","9","2","1") = "8"
    & skf18("2","5","4","7","9","3","1") = "8"
    & skf18("2","5","4","7","9","4","1") = "8"
    & skf18("2","5","4","7","9","5","1") = "8"
    & skf18("2","5","4","7","9","6","1") = "8"
    & skf18("2","5","4","7","9","7","1") = "8"
    & skf18("2","5","4","7","9","8","1") = "8"
    & skf18("2","5","4","7","9","9","1") = "8"
    & skf18("2","5","4","7","9","10","1") = "9"
    & skf18("2","5","4","7","10","1","1") = "9"
    & skf18("2","5","4","7","10","2","1") = "9"
    & skf18("2","5","4","7","10","3","1") = "9"
    & skf18("2","5","4","7","10","4","1") = "9"
    & skf18("2","5","4","7","10","5","1") = "9"
    & skf18("2","5","4","7","10","6","1") = "9"
    & skf18("2","5","4","7","10","7","1") = "9"
    & skf18("2","5","4","7","10","8","1") = "9"
    & skf18("2","5","4","7","10","9","1") = "9"
    & skf18("2","5","4","7","10","10","1") = "9"
    & skf18("2","5","4","8","1","1","1") = "7"
    & skf18("2","5","4","8","1","2","1") = "7"
    & skf18("2","5","4","8","1","3","1") = "7"
    & skf18("2","5","4","8","1","4","1") = "7"
    & skf18("2","5","4","8","1","5","1") = "7"
    & skf18("2","5","4","8","1","6","1") = "7"
    & skf18("2","5","4","8","1","7","1") = "7"
    & skf18("2","5","4","8","1","8","1") = "7"
    & skf18("2","5","4","8","1","9","1") = "8"
    & skf18("2","5","4","8","1","10","1") = "9"
    & skf18("2","5","4","8","2","1","1") = "7"
    & skf18("2","5","4","8","2","2","1") = "7"
    & skf18("2","5","4","8","2","3","1") = "7"
    & skf18("2","5","4","8","2","4","1") = "7"
    & skf18("2","5","4","8","2","5","1") = "7"
    & skf18("2","5","4","8","2","6","1") = "7"
    & skf18("2","5","4","8","2","7","1") = "7"
    & skf18("2","5","4","8","2","8","1") = "7"
    & skf18("2","5","4","8","2","9","1") = "8"
    & skf18("2","5","4","8","2","10","1") = "9"
    & skf18("2","5","4","8","3","1","1") = "7"
    & skf18("2","5","4","8","3","2","1") = "7"
    & skf18("2","5","4","8","3","3","1") = "7"
    & skf18("2","5","4","8","3","4","1") = "7"
    & skf18("2","5","4","8","3","5","1") = "7"
    & skf18("2","5","4","8","3","6","1") = "7"
    & skf18("2","5","4","8","3","7","1") = "7"
    & skf18("2","5","4","8","3","8","1") = "7"
    & skf18("2","5","4","8","3","9","1") = "8"
    & skf18("2","5","4","8","3","10","1") = "9"
    & skf18("2","5","4","8","4","1","1") = "7"
    & skf18("2","5","4","8","4","2","1") = "7"
    & skf18("2","5","4","8","4","3","1") = "7"
    & skf18("2","5","4","8","4","4","1") = "7"
    & skf18("2","5","4","8","4","5","1") = "7"
    & skf18("2","5","4","8","4","6","1") = "7"
    & skf18("2","5","4","8","4","7","1") = "7"
    & skf18("2","5","4","8","4","8","1") = "7"
    & skf18("2","5","4","8","4","9","1") = "8"
    & skf18("2","5","4","8","4","10","1") = "9"
    & skf18("2","5","4","8","5","1","1") = "7"
    & skf18("2","5","4","8","5","2","1") = "7"
    & skf18("2","5","4","8","5","3","1") = "7"
    & skf18("2","5","4","8","5","4","1") = "7"
    & skf18("2","5","4","8","5","5","1") = "7"
    & skf18("2","5","4","8","5","6","1") = "7"
    & skf18("2","5","4","8","5","7","1") = "7"
    & skf18("2","5","4","8","5","8","1") = "7"
    & skf18("2","5","4","8","5","9","1") = "8"
    & skf18("2","5","4","8","5","10","1") = "9"
    & skf18("2","5","4","8","6","1","1") = "7"
    & skf18("2","5","4","8","6","2","1") = "7"
    & skf18("2","5","4","8","6","3","1") = "7"
    & skf18("2","5","4","8","6","4","1") = "7"
    & skf18("2","5","4","8","6","5","1") = "7"
    & skf18("2","5","4","8","6","6","1") = "7"
    & skf18("2","5","4","8","6","7","1") = "7"
    & skf18("2","5","4","8","6","8","1") = "7"
    & skf18("2","5","4","8","6","9","1") = "8"
    & skf18("2","5","4","8","6","10","1") = "9"
    & skf18("2","5","4","8","7","1","1") = "7"
    & skf18("2","5","4","8","7","2","1") = "7"
    & skf18("2","5","4","8","7","3","1") = "7"
    & skf18("2","5","4","8","7","4","1") = "7"
    & skf18("2","5","4","8","7","5","1") = "7"
    & skf18("2","5","4","8","7","6","1") = "7"
    & skf18("2","5","4","8","7","7","1") = "7"
    & skf18("2","5","4","8","7","8","1") = "7"
    & skf18("2","5","4","8","7","9","1") = "8"
    & skf18("2","5","4","8","7","10","1") = "9"
    & skf18("2","5","4","8","8","1","1") = "7"
    & skf18("2","5","4","8","8","2","1") = "7"
    & skf18("2","5","4","8","8","3","1") = "7"
    & skf18("2","5","4","8","8","4","1") = "7"
    & skf18("2","5","4","8","8","5","1") = "7"
    & skf18("2","5","4","8","8","6","1") = "7"
    & skf18("2","5","4","8","8","7","1") = "7"
    & skf18("2","5","4","8","8","8","1") = "7"
    & skf18("2","5","4","8","8","9","1") = "8"
    & skf18("2","5","4","8","8","10","1") = "9"
    & skf18("2","5","4","8","9","1","1") = "8"
    & skf18("2","5","4","8","9","2","1") = "8"
    & skf18("2","5","4","8","9","3","1") = "8"
    & skf18("2","5","4","8","9","4","1") = "8"
    & skf18("2","5","4","8","9","5","1") = "8"
    & skf18("2","5","4","8","9","6","1") = "8"
    & skf18("2","5","4","8","9","7","1") = "8"
    & skf18("2","5","4","8","9","8","1") = "8"
    & skf18("2","5","4","8","9","9","1") = "8"
    & skf18("2","5","4","8","9","10","1") = "9"
    & skf18("2","5","4","8","10","1","1") = "9"
    & skf18("2","5","4","8","10","2","1") = "9"
    & skf18("2","5","4","8","10","3","1") = "9"
    & skf18("2","5","4","8","10","4","1") = "9"
    & skf18("2","5","4","8","10","5","1") = "9"
    & skf18("2","5","4","8","10","6","1") = "9"
    & skf18("2","5","4","8","10","7","1") = "9"
    & skf18("2","5","4","8","10","8","1") = "9"
    & skf18("2","5","4","8","10","9","1") = "9"
    & skf18("2","5","4","8","10","10","1") = "9"
    & skf18("2","5","4","9","1","1","1") = "8"
    & skf18("2","5","4","9","1","2","1") = "8"
    & skf18("2","5","4","9","1","3","1") = "8"
    & skf18("2","5","4","9","1","4","1") = "8"
    & skf18("2","5","4","9","1","5","1") = "8"
    & skf18("2","5","4","9","1","6","1") = "8"
    & skf18("2","5","4","9","1","7","1") = "8"
    & skf18("2","5","4","9","1","8","1") = "8"
    & skf18("2","5","4","9","1","9","1") = "8"
    & skf18("2","5","4","9","1","10","1") = "9"
    & skf18("2","5","4","9","2","1","1") = "8"
    & skf18("2","5","4","9","2","2","1") = "8"
    & skf18("2","5","4","9","2","3","1") = "8"
    & skf18("2","5","4","9","2","4","1") = "8"
    & skf18("2","5","4","9","2","5","1") = "8"
    & skf18("2","5","4","9","2","6","1") = "8"
    & skf18("2","5","4","9","2","7","1") = "8"
    & skf18("2","5","4","9","2","8","1") = "8"
    & skf18("2","5","4","9","2","9","1") = "8"
    & skf18("2","5","4","9","2","10","1") = "9"
    & skf18("2","5","4","9","3","1","1") = "8"
    & skf18("2","5","4","9","3","2","1") = "8"
    & skf18("2","5","4","9","3","3","1") = "8"
    & skf18("2","5","4","9","3","4","1") = "8"
    & skf18("2","5","4","9","3","5","1") = "8"
    & skf18("2","5","4","9","3","6","1") = "8"
    & skf18("2","5","4","9","3","7","1") = "8"
    & skf18("2","5","4","9","3","8","1") = "8"
    & skf18("2","5","4","9","3","9","1") = "8"
    & skf18("2","5","4","9","3","10","1") = "9"
    & skf18("2","5","4","9","4","1","1") = "8"
    & skf18("2","5","4","9","4","2","1") = "8"
    & skf18("2","5","4","9","4","3","1") = "8"
    & skf18("2","5","4","9","4","4","1") = "8"
    & skf18("2","5","4","9","4","5","1") = "8"
    & skf18("2","5","4","9","4","6","1") = "8"
    & skf18("2","5","4","9","4","7","1") = "8"
    & skf18("2","5","4","9","4","8","1") = "8"
    & skf18("2","5","4","9","4","9","1") = "8"
    & skf18("2","5","4","9","4","10","1") = "9"
    & skf18("2","5","4","9","5","1","1") = "8"
    & skf18("2","5","4","9","5","2","1") = "8"
    & skf18("2","5","4","9","5","3","1") = "8"
    & skf18("2","5","4","9","5","4","1") = "8"
    & skf18("2","5","4","9","5","5","1") = "8"
    & skf18("2","5","4","9","5","6","1") = "8"
    & skf18("2","5","4","9","5","7","1") = "8"
    & skf18("2","5","4","9","5","8","1") = "8"
    & skf18("2","5","4","9","5","9","1") = "8"
    & skf18("2","5","4","9","5","10","1") = "9"
    & skf18("2","5","4","9","6","1","1") = "8"
    & skf18("2","5","4","9","6","2","1") = "8"
    & skf18("2","5","4","9","6","3","1") = "8"
    & skf18("2","5","4","9","6","4","1") = "8"
    & skf18("2","5","4","9","6","5","1") = "8"
    & skf18("2","5","4","9","6","6","1") = "8"
    & skf18("2","5","4","9","6","7","1") = "8"
    & skf18("2","5","4","9","6","8","1") = "8"
    & skf18("2","5","4","9","6","9","1") = "8"
    & skf18("2","5","4","9","6","10","1") = "9"
    & skf18("2","5","4","9","7","1","1") = "8"
    & skf18("2","5","4","9","7","2","1") = "8"
    & skf18("2","5","4","9","7","3","1") = "8"
    & skf18("2","5","4","9","7","4","1") = "8"
    & skf18("2","5","4","9","7","5","1") = "8"
    & skf18("2","5","4","9","7","6","1") = "8"
    & skf18("2","5","4","9","7","7","1") = "8"
    & skf18("2","5","4","9","7","8","1") = "8"
    & skf18("2","5","4","9","7","9","1") = "8"
    & skf18("2","5","4","9","7","10","1") = "9"
    & skf18("2","5","4","9","8","1","1") = "8"
    & skf18("2","5","4","9","8","2","1") = "8"
    & skf18("2","5","4","9","8","3","1") = "8"
    & skf18("2","5","4","9","8","4","1") = "8"
    & skf18("2","5","4","9","8","5","1") = "8"
    & skf18("2","5","4","9","8","6","1") = "8"
    & skf18("2","5","4","9","8","7","1") = "8"
    & skf18("2","5","4","9","8","8","1") = "8"
    & skf18("2","5","4","9","8","9","1") = "8"
    & skf18("2","5","4","9","8","10","1") = "9"
    & skf18("2","5","4","9","9","1","1") = "8"
    & skf18("2","5","4","9","9","2","1") = "8"
    & skf18("2","5","4","9","9","3","1") = "8"
    & skf18("2","5","4","9","9","4","1") = "8"
    & skf18("2","5","4","9","9","5","1") = "8"
    & skf18("2","5","4","9","9","6","1") = "8"
    & skf18("2","5","4","9","9","7","1") = "8"
    & skf18("2","5","4","9","9","8","1") = "8"
    & skf18("2","5","4","9","9","9","1") = "8"
    & skf18("2","5","4","9","9","10","1") = "9"
    & skf18("2","5","4","9","10","1","1") = "9"
    & skf18("2","5","4","9","10","2","1") = "9"
    & skf18("2","5","4","9","10","3","1") = "9"
    & skf18("2","5","4","9","10","4","1") = "9"
    & skf18("2","5","4","9","10","5","1") = "9"
    & skf18("2","5","4","9","10","6","1") = "9"
    & skf18("2","5","4","9","10","7","1") = "9"
    & skf18("2","5","4","9","10","8","1") = "9"
    & skf18("2","5","4","9","10","9","1") = "9"
    & skf18("2","5","4","9","10","10","1") = "9"
    & skf18("2","5","4","10","1","1","1") = "9"
    & skf18("2","5","4","10","1","2","1") = "9"
    & skf18("2","5","4","10","1","3","1") = "9"
    & skf18("2","5","4","10","1","4","1") = "9"
    & skf18("2","5","4","10","1","5","1") = "9"
    & skf18("2","5","4","10","1","6","1") = "9"
    & skf18("2","5","4","10","1","7","1") = "9"
    & skf18("2","5","4","10","1","8","1") = "9"
    & skf18("2","5","4","10","1","9","1") = "9"
    & skf18("2","5","4","10","1","10","1") = "9"
    & skf18("2","5","4","10","2","1","1") = "9"
    & skf18("2","5","4","10","2","2","1") = "9"
    & skf18("2","5","4","10","2","3","1") = "9"
    & skf18("2","5","4","10","2","4","1") = "9"
    & skf18("2","5","4","10","2","5","1") = "9"
    & skf18("2","5","4","10","2","6","1") = "9"
    & skf18("2","5","4","10","2","7","1") = "9"
    & skf18("2","5","4","10","2","8","1") = "9"
    & skf18("2","5","4","10","2","9","1") = "9"
    & skf18("2","5","4","10","2","10","1") = "9"
    & skf18("2","5","4","10","3","1","1") = "9"
    & skf18("2","5","4","10","3","2","1") = "9"
    & skf18("2","5","4","10","3","3","1") = "9"
    & skf18("2","5","4","10","3","4","1") = "9"
    & skf18("2","5","4","10","3","5","1") = "9"
    & skf18("2","5","4","10","3","6","1") = "9"
    & skf18("2","5","4","10","3","7","1") = "9"
    & skf18("2","5","4","10","3","8","1") = "9"
    & skf18("2","5","4","10","3","9","1") = "9"
    & skf18("2","5","4","10","3","10","1") = "9"
    & skf18("2","5","4","10","4","1","1") = "9"
    & skf18("2","5","4","10","4","2","1") = "9"
    & skf18("2","5","4","10","4","3","1") = "9"
    & skf18("2","5","4","10","4","4","1") = "9"
    & skf18("2","5","4","10","4","5","1") = "9"
    & skf18("2","5","4","10","4","6","1") = "9"
    & skf18("2","5","4","10","4","7","1") = "9"
    & skf18("2","5","4","10","4","8","1") = "9"
    & skf18("2","5","4","10","4","9","1") = "9"
    & skf18("2","5","4","10","4","10","1") = "9"
    & skf18("2","5","4","10","5","1","1") = "9"
    & skf18("2","5","4","10","5","2","1") = "9"
    & skf18("2","5","4","10","5","3","1") = "9"
    & skf18("2","5","4","10","5","4","1") = "9"
    & skf18("2","5","4","10","5","5","1") = "9"
    & skf18("2","5","4","10","5","6","1") = "9"
    & skf18("2","5","4","10","5","7","1") = "9"
    & skf18("2","5","4","10","5","8","1") = "9"
    & skf18("2","5","4","10","5","9","1") = "9"
    & skf18("2","5","4","10","5","10","1") = "9"
    & skf18("2","5","4","10","6","1","1") = "9"
    & skf18("2","5","4","10","6","2","1") = "9"
    & skf18("2","5","4","10","6","3","1") = "9"
    & skf18("2","5","4","10","6","4","1") = "9"
    & skf18("2","5","4","10","6","5","1") = "9"
    & skf18("2","5","4","10","6","6","1") = "9"
    & skf18("2","5","4","10","6","7","1") = "9"
    & skf18("2","5","4","10","6","8","1") = "9"
    & skf18("2","5","4","10","6","9","1") = "9"
    & skf18("2","5","4","10","6","10","1") = "9"
    & skf18("2","5","4","10","7","1","1") = "9"
    & skf18("2","5","4","10","7","2","1") = "9"
    & skf18("2","5","4","10","7","3","1") = "9"
    & skf18("2","5","4","10","7","4","1") = "9"
    & skf18("2","5","4","10","7","5","1") = "9"
    & skf18("2","5","4","10","7","6","1") = "9"
    & skf18("2","5","4","10","7","7","1") = "9"
    & skf18("2","5","4","10","7","8","1") = "9"
    & skf18("2","5","4","10","7","9","1") = "9"
    & skf18("2","5","4","10","7","10","1") = "9"
    & skf18("2","5","4","10","8","1","1") = "9"
    & skf18("2","5","4","10","8","2","1") = "9"
    & skf18("2","5","4","10","8","3","1") = "9"
    & skf18("2","5","4","10","8","4","1") = "9"
    & skf18("2","5","4","10","8","5","1") = "9"
    & skf18("2","5","4","10","8","6","1") = "9"
    & skf18("2","5","4","10","8","7","1") = "9"
    & skf18("2","5","4","10","8","8","1") = "9"
    & skf18("2","5","4","10","8","9","1") = "9"
    & skf18("2","5","4","10","8","10","1") = "9"
    & skf18("2","5","4","10","9","1","1") = "9"
    & skf18("2","5","4","10","9","2","1") = "9"
    & skf18("2","5","4","10","9","3","1") = "9"
    & skf18("2","5","4","10","9","4","1") = "9"
    & skf18("2","5","4","10","9","5","1") = "9"
    & skf18("2","5","4","10","9","6","1") = "9"
    & skf18("2","5","4","10","9","7","1") = "9"
    & skf18("2","5","4","10","9","8","1") = "9"
    & skf18("2","5","4","10","9","9","1") = "9"
    & skf18("2","5","4","10","9","10","1") = "9"
    & skf18("2","5","4","10","10","1","1") = "9"
    & skf18("2","5","4","10","10","2","1") = "9"
    & skf18("2","5","4","10","10","3","1") = "9"
    & skf18("2","5","4","10","10","4","1") = "9"
    & skf18("2","5","4","10","10","5","1") = "9"
    & skf18("2","5","4","10","10","6","1") = "9"
    & skf18("2","5","4","10","10","7","1") = "9"
    & skf18("2","5","4","10","10","8","1") = "9"
    & skf18("2","5","4","10","10","9","1") = "9"
    & skf18("2","5","4","10","10","10","1") = "9"
    & skf18("2","5","5","1","1","1","1") = "4"
    & skf18("2","5","5","1","1","2","1") = "4"
    & skf18("2","5","5","1","1","3","1") = "4"
    & skf18("2","5","5","1","1","4","1") = "4"
    & skf18("2","5","5","1","1","5","1") = "4"
    & skf18("2","5","5","1","1","6","1") = "5"
    & skf18("2","5","5","1","1","7","1") = "6"
    & skf18("2","5","5","1","1","8","1") = "7"
    & skf18("2","5","5","1","1","9","1") = "8"
    & skf18("2","5","5","1","1","10","1") = "9"
    & skf18("2","5","5","1","2","1","1") = "4"
    & skf18("2","5","5","1","2","2","1") = "4"
    & skf18("2","5","5","1","2","3","1") = "4"
    & skf18("2","5","5","1","2","4","1") = "4"
    & skf18("2","5","5","1","2","5","1") = "4"
    & skf18("2","5","5","1","2","6","1") = "5"
    & skf18("2","5","5","1","2","7","1") = "6"
    & skf18("2","5","5","1","2","8","1") = "7"
    & skf18("2","5","5","1","2","9","1") = "8"
    & skf18("2","5","5","1","2","10","1") = "9"
    & skf18("2","5","5","1","3","1","1") = "4"
    & skf18("2","5","5","1","3","2","1") = "4"
    & skf18("2","5","5","1","3","3","1") = "4"
    & skf18("2","5","5","1","3","4","1") = "4"
    & skf18("2","5","5","1","3","5","1") = "4"
    & skf18("2","5","5","1","3","6","1") = "5"
    & skf18("2","5","5","1","3","7","1") = "6"
    & skf18("2","5","5","1","3","8","1") = "7"
    & skf18("2","5","5","1","3","9","1") = "8"
    & skf18("2","5","5","1","3","10","1") = "9"
    & skf18("2","5","5","1","4","1","1") = "4"
    & skf18("2","5","5","1","4","2","1") = "4"
    & skf18("2","5","5","1","4","3","1") = "4"
    & skf18("2","5","5","1","4","4","1") = "4"
    & skf18("2","5","5","1","4","5","1") = "4"
    & skf18("2","5","5","1","4","6","1") = "5"
    & skf18("2","5","5","1","4","7","1") = "6"
    & skf18("2","5","5","1","4","8","1") = "7"
    & skf18("2","5","5","1","4","9","1") = "8"
    & skf18("2","5","5","1","4","10","1") = "9"
    & skf18("2","5","5","1","5","1","1") = "4"
    & skf18("2","5","5","1","5","2","1") = "4"
    & skf18("2","5","5","1","5","3","1") = "4"
    & skf18("2","5","5","1","5","4","1") = "4"
    & skf18("2","5","5","1","5","5","1") = "4"
    & skf18("2","5","5","1","5","6","1") = "5"
    & skf18("2","5","5","1","5","7","1") = "6"
    & skf18("2","5","5","1","5","8","1") = "7"
    & skf18("2","5","5","1","5","9","1") = "8"
    & skf18("2","5","5","1","5","10","1") = "9"
    & skf18("2","5","5","1","6","1","1") = "5"
    & skf18("2","5","5","1","6","2","1") = "5"
    & skf18("2","5","5","1","6","3","1") = "5"
    & skf18("2","5","5","1","6","4","1") = "5"
    & skf18("2","5","5","1","6","5","1") = "5"
    & skf18("2","5","5","1","6","6","1") = "5"
    & skf18("2","5","5","1","6","7","1") = "6"
    & skf18("2","5","5","1","6","8","1") = "7"
    & skf18("2","5","5","1","6","9","1") = "8"
    & skf18("2","5","5","1","6","10","1") = "9"
    & skf18("2","5","5","1","7","1","1") = "6"
    & skf18("2","5","5","1","7","2","1") = "6"
    & skf18("2","5","5","1","7","3","1") = "6"
    & skf18("2","5","5","1","7","4","1") = "6"
    & skf18("2","5","5","1","7","5","1") = "6"
    & skf18("2","5","5","1","7","6","1") = "6"
    & skf18("2","5","5","1","7","7","1") = "6"
    & skf18("2","5","5","1","7","8","1") = "7"
    & skf18("2","5","5","1","7","9","1") = "8"
    & skf18("2","5","5","1","7","10","1") = "9"
    & skf18("2","5","5","1","8","1","1") = "7"
    & skf18("2","5","5","1","8","2","1") = "7"
    & skf18("2","5","5","1","8","3","1") = "7"
    & skf18("2","5","5","1","8","4","1") = "7"
    & skf18("2","5","5","1","8","5","1") = "7"
    & skf18("2","5","5","1","8","6","1") = "7"
    & skf18("2","5","5","1","8","7","1") = "7"
    & skf18("2","5","5","1","8","8","1") = "7"
    & skf18("2","5","5","1","8","9","1") = "8"
    & skf18("2","5","5","1","8","10","1") = "9"
    & skf18("2","5","5","1","9","1","1") = "8"
    & skf18("2","5","5","1","9","2","1") = "8"
    & skf18("2","5","5","1","9","3","1") = "8"
    & skf18("2","5","5","1","9","4","1") = "8"
    & skf18("2","5","5","1","9","5","1") = "8"
    & skf18("2","5","5","1","9","6","1") = "8"
    & skf18("2","5","5","1","9","7","1") = "8"
    & skf18("2","5","5","1","9","8","1") = "8"
    & skf18("2","5","5","1","9","9","1") = "8"
    & skf18("2","5","5","1","9","10","1") = "9"
    & skf18("2","5","5","1","10","1","1") = "9"
    & skf18("2","5","5","1","10","2","1") = "9"
    & skf18("2","5","5","1","10","3","1") = "9"
    & skf18("2","5","5","1","10","4","1") = "9"
    & skf18("2","5","5","1","10","5","1") = "9"
    & skf18("2","5","5","1","10","6","1") = "9"
    & skf18("2","5","5","1","10","7","1") = "9"
    & skf18("2","5","5","1","10","8","1") = "9"
    & skf18("2","5","5","1","10","9","1") = "9"
    & skf18("2","5","5","1","10","10","1") = "9"
    & skf18("2","5","5","2","1","1","1") = "4"
    & skf18("2","5","5","2","1","2","1") = "4"
    & skf18("2","5","5","2","1","3","1") = "4"
    & skf18("2","5","5","2","1","4","1") = "4"
    & skf18("2","5","5","2","1","5","1") = "4"
    & skf18("2","5","5","2","1","6","1") = "5"
    & skf18("2","5","5","2","1","7","1") = "6"
    & skf18("2","5","5","2","1","8","1") = "7"
    & skf18("2","5","5","2","1","9","1") = "8"
    & skf18("2","5","5","2","1","10","1") = "9"
    & skf18("2","5","5","2","2","1","1") = "4"
    & skf18("2","5","5","2","2","2","1") = "4"
    & skf18("2","5","5","2","2","3","1") = "4"
    & skf18("2","5","5","2","2","4","1") = "4"
    & skf18("2","5","5","2","2","5","1") = "4"
    & skf18("2","5","5","2","2","6","1") = "5"
    & skf18("2","5","5","2","2","7","1") = "6"
    & skf18("2","5","5","2","2","8","1") = "7"
    & skf18("2","5","5","2","2","9","1") = "8"
    & skf18("2","5","5","2","2","10","1") = "9"
    & skf18("2","5","5","2","3","1","1") = "4"
    & skf18("2","5","5","2","3","2","1") = "4"
    & skf18("2","5","5","2","3","3","1") = "4"
    & skf18("2","5","5","2","3","4","1") = "4"
    & skf18("2","5","5","2","3","5","1") = "4"
    & skf18("2","5","5","2","3","6","1") = "5"
    & skf18("2","5","5","2","3","7","1") = "6"
    & skf18("2","5","5","2","3","8","1") = "7"
    & skf18("2","5","5","2","3","9","1") = "8"
    & skf18("2","5","5","2","3","10","1") = "9"
    & skf18("2","5","5","2","4","1","1") = "4"
    & skf18("2","5","5","2","4","2","1") = "4"
    & skf18("2","5","5","2","4","3","1") = "4"
    & skf18("2","5","5","2","4","4","1") = "4"
    & skf18("2","5","5","2","4","5","1") = "4"
    & skf18("2","5","5","2","4","6","1") = "5"
    & skf18("2","5","5","2","4","7","1") = "6"
    & skf18("2","5","5","2","4","8","1") = "7"
    & skf18("2","5","5","2","4","9","1") = "8"
    & skf18("2","5","5","2","4","10","1") = "9"
    & skf18("2","5","5","2","5","1","1") = "4"
    & skf18("2","5","5","2","5","2","1") = "4"
    & skf18("2","5","5","2","5","3","1") = "4"
    & skf18("2","5","5","2","5","4","1") = "4"
    & skf18("2","5","5","2","5","5","1") = "4"
    & skf18("2","5","5","2","5","6","1") = "5"
    & skf18("2","5","5","2","5","7","1") = "6"
    & skf18("2","5","5","2","5","8","1") = "7"
    & skf18("2","5","5","2","5","9","1") = "8"
    & skf18("2","5","5","2","5","10","1") = "9"
    & skf18("2","5","5","2","6","1","1") = "5"
    & skf18("2","5","5","2","6","2","1") = "5"
    & skf18("2","5","5","2","6","3","1") = "5"
    & skf18("2","5","5","2","6","4","1") = "5"
    & skf18("2","5","5","2","6","5","1") = "5"
    & skf18("2","5","5","2","6","6","1") = "5"
    & skf18("2","5","5","2","6","7","1") = "6"
    & skf18("2","5","5","2","6","8","1") = "7"
    & skf18("2","5","5","2","6","9","1") = "8"
    & skf18("2","5","5","2","6","10","1") = "9"
    & skf18("2","5","5","2","7","1","1") = "6"
    & skf18("2","5","5","2","7","2","1") = "6"
    & skf18("2","5","5","2","7","3","1") = "6"
    & skf18("2","5","5","2","7","4","1") = "6"
    & skf18("2","5","5","2","7","5","1") = "6"
    & skf18("2","5","5","2","7","6","1") = "6"
    & skf18("2","5","5","2","7","7","1") = "6"
    & skf18("2","5","5","2","7","8","1") = "7"
    & skf18("2","5","5","2","7","9","1") = "8"
    & skf18("2","5","5","2","7","10","1") = "9"
    & skf18("2","5","5","2","8","1","1") = "7"
    & skf18("2","5","5","2","8","2","1") = "7"
    & skf18("2","5","5","2","8","3","1") = "7"
    & skf18("2","5","5","2","8","4","1") = "7"
    & skf18("2","5","5","2","8","5","1") = "7"
    & skf18("2","5","5","2","8","6","1") = "7"
    & skf18("2","5","5","2","8","7","1") = "7"
    & skf18("2","5","5","2","8","8","1") = "7"
    & skf18("2","5","5","2","8","9","1") = "8"
    & skf18("2","5","5","2","8","10","1") = "9"
    & skf18("2","5","5","2","9","1","1") = "8"
    & skf18("2","5","5","2","9","2","1") = "8"
    & skf18("2","5","5","2","9","3","1") = "8"
    & skf18("2","5","5","2","9","4","1") = "8"
    & skf18("2","5","5","2","9","5","1") = "8"
    & skf18("2","5","5","2","9","6","1") = "8"
    & skf18("2","5","5","2","9","7","1") = "8"
    & skf18("2","5","5","2","9","8","1") = "8"
    & skf18("2","5","5","2","9","9","1") = "8"
    & skf18("2","5","5","2","9","10","1") = "9"
    & skf18("2","5","5","2","10","1","1") = "9"
    & skf18("2","5","5","2","10","2","1") = "9"
    & skf18("2","5","5","2","10","3","1") = "9"
    & skf18("2","5","5","2","10","4","1") = "9"
    & skf18("2","5","5","2","10","5","1") = "9"
    & skf18("2","5","5","2","10","6","1") = "9"
    & skf18("2","5","5","2","10","7","1") = "9"
    & skf18("2","5","5","2","10","8","1") = "9"
    & skf18("2","5","5","2","10","9","1") = "9"
    & skf18("2","5","5","2","10","10","1") = "9"
    & skf18("2","5","5","3","1","1","1") = "4"
    & skf18("2","5","5","3","1","2","1") = "4"
    & skf18("2","5","5","3","1","3","1") = "4"
    & skf18("2","5","5","3","1","4","1") = "4"
    & skf18("2","5","5","3","1","5","1") = "4"
    & skf18("2","5","5","3","1","6","1") = "5"
    & skf18("2","5","5","3","1","7","1") = "6"
    & skf18("2","5","5","3","1","8","1") = "7"
    & skf18("2","5","5","3","1","9","1") = "8"
    & skf18("2","5","5","3","1","10","1") = "9"
    & skf18("2","5","5","3","2","1","1") = "4"
    & skf18("2","5","5","3","2","2","1") = "4"
    & skf18("2","5","5","3","2","3","1") = "4"
    & skf18("2","5","5","3","2","4","1") = "4"
    & skf18("2","5","5","3","2","5","1") = "4"
    & skf18("2","5","5","3","2","6","1") = "5"
    & skf18("2","5","5","3","2","7","1") = "6"
    & skf18("2","5","5","3","2","8","1") = "7"
    & skf18("2","5","5","3","2","9","1") = "8"
    & skf18("2","5","5","3","2","10","1") = "9"
    & skf18("2","5","5","3","3","1","1") = "4"
    & skf18("2","5","5","3","3","2","1") = "4"
    & skf18("2","5","5","3","3","3","1") = "4"
    & skf18("2","5","5","3","3","4","1") = "4"
    & skf18("2","5","5","3","3","5","1") = "4"
    & skf18("2","5","5","3","3","6","1") = "5"
    & skf18("2","5","5","3","3","7","1") = "6"
    & skf18("2","5","5","3","3","8","1") = "7"
    & skf18("2","5","5","3","3","9","1") = "8"
    & skf18("2","5","5","3","3","10","1") = "9"
    & skf18("2","5","5","3","4","1","1") = "4"
    & skf18("2","5","5","3","4","2","1") = "4"
    & skf18("2","5","5","3","4","3","1") = "4"
    & skf18("2","5","5","3","4","4","1") = "4"
    & skf18("2","5","5","3","4","5","1") = "4"
    & skf18("2","5","5","3","4","6","1") = "5"
    & skf18("2","5","5","3","4","7","1") = "6"
    & skf18("2","5","5","3","4","8","1") = "7"
    & skf18("2","5","5","3","4","9","1") = "8"
    & skf18("2","5","5","3","4","10","1") = "9"
    & skf18("2","5","5","3","5","1","1") = "4"
    & skf18("2","5","5","3","5","2","1") = "4"
    & skf18("2","5","5","3","5","3","1") = "4"
    & skf18("2","5","5","3","5","4","1") = "4"
    & skf18("2","5","5","3","5","5","1") = "4"
    & skf18("2","5","5","3","5","6","1") = "5"
    & skf18("2","5","5","3","5","7","1") = "6"
    & skf18("2","5","5","3","5","8","1") = "7"
    & skf18("2","5","5","3","5","9","1") = "8"
    & skf18("2","5","5","3","5","10","1") = "9"
    & skf18("2","5","5","3","6","1","1") = "5"
    & skf18("2","5","5","3","6","2","1") = "5"
    & skf18("2","5","5","3","6","3","1") = "5"
    & skf18("2","5","5","3","6","4","1") = "5"
    & skf18("2","5","5","3","6","5","1") = "5"
    & skf18("2","5","5","3","6","6","1") = "5"
    & skf18("2","5","5","3","6","7","1") = "6"
    & skf18("2","5","5","3","6","8","1") = "7"
    & skf18("2","5","5","3","6","9","1") = "8"
    & skf18("2","5","5","3","6","10","1") = "9"
    & skf18("2","5","5","3","7","1","1") = "6"
    & skf18("2","5","5","3","7","2","1") = "6"
    & skf18("2","5","5","3","7","3","1") = "6"
    & skf18("2","5","5","3","7","4","1") = "6"
    & skf18("2","5","5","3","7","5","1") = "6"
    & skf18("2","5","5","3","7","6","1") = "6"
    & skf18("2","5","5","3","7","7","1") = "6"
    & skf18("2","5","5","3","7","8","1") = "7"
    & skf18("2","5","5","3","7","9","1") = "8"
    & skf18("2","5","5","3","7","10","1") = "9"
    & skf18("2","5","5","3","8","1","1") = "7"
    & skf18("2","5","5","3","8","2","1") = "7"
    & skf18("2","5","5","3","8","3","1") = "7"
    & skf18("2","5","5","3","8","4","1") = "7"
    & skf18("2","5","5","3","8","5","1") = "7"
    & skf18("2","5","5","3","8","6","1") = "7"
    & skf18("2","5","5","3","8","7","1") = "7"
    & skf18("2","5","5","3","8","8","1") = "7"
    & skf18("2","5","5","3","8","9","1") = "8"
    & skf18("2","5","5","3","8","10","1") = "9"
    & skf18("2","5","5","3","9","1","1") = "8"
    & skf18("2","5","5","3","9","2","1") = "8"
    & skf18("2","5","5","3","9","3","1") = "8"
    & skf18("2","5","5","3","9","4","1") = "8"
    & skf18("2","5","5","3","9","5","1") = "8"
    & skf18("2","5","5","3","9","6","1") = "8"
    & skf18("2","5","5","3","9","7","1") = "8"
    & skf18("2","5","5","3","9","8","1") = "8"
    & skf18("2","5","5","3","9","9","1") = "8"
    & skf18("2","5","5","3","9","10","1") = "9"
    & skf18("2","5","5","3","10","1","1") = "9"
    & skf18("2","5","5","3","10","2","1") = "9"
    & skf18("2","5","5","3","10","3","1") = "9"
    & skf18("2","5","5","3","10","4","1") = "9"
    & skf18("2","5","5","3","10","5","1") = "9"
    & skf18("2","5","5","3","10","6","1") = "9"
    & skf18("2","5","5","3","10","7","1") = "9"
    & skf18("2","5","5","3","10","8","1") = "9"
    & skf18("2","5","5","3","10","9","1") = "9"
    & skf18("2","5","5","3","10","10","1") = "9"
    & skf18("2","5","5","4","1","1","1") = "4"
    & skf18("2","5","5","4","1","2","1") = "4"
    & skf18("2","5","5","4","1","3","1") = "4"
    & skf18("2","5","5","4","1","4","1") = "4"
    & skf18("2","5","5","4","1","5","1") = "4"
    & skf18("2","5","5","4","1","6","1") = "5"
    & skf18("2","5","5","4","1","7","1") = "6"
    & skf18("2","5","5","4","1","8","1") = "7"
    & skf18("2","5","5","4","1","9","1") = "8"
    & skf18("2","5","5","4","1","10","1") = "9"
    & skf18("2","5","5","4","2","1","1") = "4"
    & skf18("2","5","5","4","2","2","1") = "4"
    & skf18("2","5","5","4","2","3","1") = "4"
    & skf18("2","5","5","4","2","4","1") = "4"
    & skf18("2","5","5","4","2","5","1") = "4"
    & skf18("2","5","5","4","2","6","1") = "5"
    & skf18("2","5","5","4","2","7","1") = "6"
    & skf18("2","5","5","4","2","8","1") = "7"
    & skf18("2","5","5","4","2","9","1") = "8"
    & skf18("2","5","5","4","2","10","1") = "9"
    & skf18("2","5","5","4","3","1","1") = "4"
    & skf18("2","5","5","4","3","2","1") = "4"
    & skf18("2","5","5","4","3","3","1") = "4"
    & skf18("2","5","5","4","3","4","1") = "4"
    & skf18("2","5","5","4","3","5","1") = "4"
    & skf18("2","5","5","4","3","6","1") = "5"
    & skf18("2","5","5","4","3","7","1") = "6"
    & skf18("2","5","5","4","3","8","1") = "7"
    & skf18("2","5","5","4","3","9","1") = "8"
    & skf18("2","5","5","4","3","10","1") = "9"
    & skf18("2","5","5","4","4","1","1") = "4"
    & skf18("2","5","5","4","4","2","1") = "4"
    & skf18("2","5","5","4","4","3","1") = "4"
    & skf18("2","5","5","4","4","4","1") = "4"
    & skf18("2","5","5","4","4","5","1") = "4"
    & skf18("2","5","5","4","4","6","1") = "5"
    & skf18("2","5","5","4","4","7","1") = "6"
    & skf18("2","5","5","4","4","8","1") = "7"
    & skf18("2","5","5","4","4","9","1") = "8"
    & skf18("2","5","5","4","4","10","1") = "9"
    & skf18("2","5","5","4","5","1","1") = "4"
    & skf18("2","5","5","4","5","2","1") = "4"
    & skf18("2","5","5","4","5","3","1") = "4"
    & skf18("2","5","5","4","5","4","1") = "4"
    & skf18("2","5","5","4","5","5","1") = "4"
    & skf18("2","5","5","4","5","6","1") = "5"
    & skf18("2","5","5","4","5","7","1") = "6"
    & skf18("2","5","5","4","5","8","1") = "7"
    & skf18("2","5","5","4","5","9","1") = "8"
    & skf18("2","5","5","4","5","10","1") = "9"
    & skf18("2","5","5","4","6","1","1") = "5"
    & skf18("2","5","5","4","6","2","1") = "5"
    & skf18("2","5","5","4","6","3","1") = "5"
    & skf18("2","5","5","4","6","4","1") = "5"
    & skf18("2","5","5","4","6","5","1") = "5"
    & skf18("2","5","5","4","6","6","1") = "5"
    & skf18("2","5","5","4","6","7","1") = "6"
    & skf18("2","5","5","4","6","8","1") = "7"
    & skf18("2","5","5","4","6","9","1") = "8"
    & skf18("2","5","5","4","6","10","1") = "9"
    & skf18("2","5","5","4","7","1","1") = "6"
    & skf18("2","5","5","4","7","2","1") = "6"
    & skf18("2","5","5","4","7","3","1") = "6"
    & skf18("2","5","5","4","7","4","1") = "6"
    & skf18("2","5","5","4","7","5","1") = "6"
    & skf18("2","5","5","4","7","6","1") = "6"
    & skf18("2","5","5","4","7","7","1") = "6"
    & skf18("2","5","5","4","7","8","1") = "7"
    & skf18("2","5","5","4","7","9","1") = "8"
    & skf18("2","5","5","4","7","10","1") = "9"
    & skf18("2","5","5","4","8","1","1") = "7"
    & skf18("2","5","5","4","8","2","1") = "7"
    & skf18("2","5","5","4","8","3","1") = "7"
    & skf18("2","5","5","4","8","4","1") = "7"
    & skf18("2","5","5","4","8","5","1") = "7"
    & skf18("2","5","5","4","8","6","1") = "7"
    & skf18("2","5","5","4","8","7","1") = "7"
    & skf18("2","5","5","4","8","8","1") = "7"
    & skf18("2","5","5","4","8","9","1") = "8"
    & skf18("2","5","5","4","8","10","1") = "9"
    & skf18("2","5","5","4","9","1","1") = "8"
    & skf18("2","5","5","4","9","2","1") = "8"
    & skf18("2","5","5","4","9","3","1") = "8"
    & skf18("2","5","5","4","9","4","1") = "8"
    & skf18("2","5","5","4","9","5","1") = "8"
    & skf18("2","5","5","4","9","6","1") = "8"
    & skf18("2","5","5","4","9","7","1") = "8"
    & skf18("2","5","5","4","9","8","1") = "8"
    & skf18("2","5","5","4","9","9","1") = "8"
    & skf18("2","5","5","4","9","10","1") = "9"
    & skf18("2","5","5","4","10","1","1") = "9"
    & skf18("2","5","5","4","10","2","1") = "9"
    & skf18("2","5","5","4","10","3","1") = "9"
    & skf18("2","5","5","4","10","4","1") = "9"
    & skf18("2","5","5","4","10","5","1") = "9"
    & skf18("2","5","5","4","10","6","1") = "9"
    & skf18("2","5","5","4","10","7","1") = "9"
    & skf18("2","5","5","4","10","8","1") = "9"
    & skf18("2","5","5","4","10","9","1") = "9"
    & skf18("2","5","5","4","10","10","1") = "9"
    & skf18("2","5","5","5","1","1","1") = "4"
    & skf18("2","5","5","5","1","2","1") = "4"
    & skf18("2","5","5","5","1","3","1") = "4"
    & skf18("2","5","5","5","1","4","1") = "4"
    & skf18("2","5","5","5","1","5","1") = "4"
    & skf18("2","5","5","5","1","6","1") = "5"
    & skf18("2","5","5","5","1","7","1") = "6"
    & skf18("2","5","5","5","1","8","1") = "7"
    & skf18("2","5","5","5","1","9","1") = "8"
    & skf18("2","5","5","5","1","10","1") = "9"
    & skf18("2","5","5","5","2","1","1") = "4"
    & skf18("2","5","5","5","2","2","1") = "4"
    & skf18("2","5","5","5","2","3","1") = "4"
    & skf18("2","5","5","5","2","4","1") = "4"
    & skf18("2","5","5","5","2","5","1") = "4"
    & skf18("2","5","5","5","2","6","1") = "5"
    & skf18("2","5","5","5","2","7","1") = "6"
    & skf18("2","5","5","5","2","8","1") = "7"
    & skf18("2","5","5","5","2","9","1") = "8"
    & skf18("2","5","5","5","2","10","1") = "9"
    & skf18("2","5","5","5","3","1","1") = "4"
    & skf18("2","5","5","5","3","2","1") = "4"
    & skf18("2","5","5","5","3","3","1") = "4"
    & skf18("2","5","5","5","3","4","1") = "4"
    & skf18("2","5","5","5","3","5","1") = "4"
    & skf18("2","5","5","5","3","6","1") = "5"
    & skf18("2","5","5","5","3","7","1") = "6"
    & skf18("2","5","5","5","3","8","1") = "7"
    & skf18("2","5","5","5","3","9","1") = "8"
    & skf18("2","5","5","5","3","10","1") = "9"
    & skf18("2","5","5","5","4","1","1") = "4"
    & skf18("2","5","5","5","4","2","1") = "4"
    & skf18("2","5","5","5","4","3","1") = "4"
    & skf18("2","5","5","5","4","4","1") = "4"
    & skf18("2","5","5","5","4","5","1") = "4"
    & skf18("2","5","5","5","4","6","1") = "5"
    & skf18("2","5","5","5","4","7","1") = "6"
    & skf18("2","5","5","5","4","8","1") = "7"
    & skf18("2","5","5","5","4","9","1") = "8"
    & skf18("2","5","5","5","4","10","1") = "9"
    & skf18("2","5","5","5","5","1","1") = "4"
    & skf18("2","5","5","5","5","2","1") = "4"
    & skf18("2","5","5","5","5","3","1") = "4"
    & skf18("2","5","5","5","5","4","1") = "4"
    & skf18("2","5","5","5","5","5","1") = "4"
    & skf18("2","5","5","5","5","6","1") = "5"
    & skf18("2","5","5","5","5","7","1") = "6"
    & skf18("2","5","5","5","5","8","1") = "7"
    & skf18("2","5","5","5","5","9","1") = "8"
    & skf18("2","5","5","5","5","10","1") = "9"
    & skf18("2","5","5","5","6","1","1") = "5"
    & skf18("2","5","5","5","6","2","1") = "5"
    & skf18("2","5","5","5","6","3","1") = "5"
    & skf18("2","5","5","5","6","4","1") = "5"
    & skf18("2","5","5","5","6","5","1") = "5"
    & skf18("2","5","5","5","6","6","1") = "5"
    & skf18("2","5","5","5","6","7","1") = "6"
    & skf18("2","5","5","5","6","8","1") = "7"
    & skf18("2","5","5","5","6","9","1") = "8"
    & skf18("2","5","5","5","6","10","1") = "9"
    & skf18("2","5","5","5","7","1","1") = "6"
    & skf18("2","5","5","5","7","2","1") = "6"
    & skf18("2","5","5","5","7","3","1") = "6"
    & skf18("2","5","5","5","7","4","1") = "6"
    & skf18("2","5","5","5","7","5","1") = "6"
    & skf18("2","5","5","5","7","6","1") = "6"
    & skf18("2","5","5","5","7","7","1") = "6"
    & skf18("2","5","5","5","7","8","1") = "7"
    & skf18("2","5","5","5","7","9","1") = "8"
    & skf18("2","5","5","5","7","10","1") = "9"
    & skf18("2","5","5","5","8","1","1") = "7"
    & skf18("2","5","5","5","8","2","1") = "7"
    & skf18("2","5","5","5","8","3","1") = "7"
    & skf18("2","5","5","5","8","4","1") = "7"
    & skf18("2","5","5","5","8","5","1") = "7"
    & skf18("2","5","5","5","8","6","1") = "7"
    & skf18("2","5","5","5","8","7","1") = "7"
    & skf18("2","5","5","5","8","8","1") = "7"
    & skf18("2","5","5","5","8","9","1") = "8"
    & skf18("2","5","5","5","8","10","1") = "9"
    & skf18("2","5","5","5","9","1","1") = "8"
    & skf18("2","5","5","5","9","2","1") = "8"
    & skf18("2","5","5","5","9","3","1") = "8"
    & skf18("2","5","5","5","9","4","1") = "8"
    & skf18("2","5","5","5","9","5","1") = "8"
    & skf18("2","5","5","5","9","6","1") = "8"
    & skf18("2","5","5","5","9","7","1") = "8"
    & skf18("2","5","5","5","9","8","1") = "8"
    & skf18("2","5","5","5","9","9","1") = "8"
    & skf18("2","5","5","5","9","10","1") = "9"
    & skf18("2","5","5","5","10","1","1") = "9"
    & skf18("2","5","5","5","10","2","1") = "9"
    & skf18("2","5","5","5","10","3","1") = "9"
    & skf18("2","5","5","5","10","4","1") = "9"
    & skf18("2","5","5","5","10","5","1") = "9"
    & skf18("2","5","5","5","10","6","1") = "9"
    & skf18("2","5","5","5","10","7","1") = "9"
    & skf18("2","5","5","5","10","8","1") = "9"
    & skf18("2","5","5","5","10","9","1") = "9"
    & skf18("2","5","5","5","10","10","1") = "9"
    & skf18("2","5","5","6","1","1","1") = "5"
    & skf18("2","5","5","6","1","2","1") = "5"
    & skf18("2","5","5","6","1","3","1") = "5"
    & skf18("2","5","5","6","1","4","1") = "5"
    & skf18("2","5","5","6","1","5","1") = "5"
    & skf18("2","5","5","6","1","6","1") = "5"
    & skf18("2","5","5","6","1","7","1") = "6"
    & skf18("2","5","5","6","1","8","1") = "7"
    & skf18("2","5","5","6","1","9","1") = "8"
    & skf18("2","5","5","6","1","10","1") = "9"
    & skf18("2","5","5","6","2","1","1") = "5"
    & skf18("2","5","5","6","2","2","1") = "5"
    & skf18("2","5","5","6","2","3","1") = "5"
    & skf18("2","5","5","6","2","4","1") = "5"
    & skf18("2","5","5","6","2","5","1") = "5"
    & skf18("2","5","5","6","2","6","1") = "5"
    & skf18("2","5","5","6","2","7","1") = "6"
    & skf18("2","5","5","6","2","8","1") = "7"
    & skf18("2","5","5","6","2","9","1") = "8"
    & skf18("2","5","5","6","2","10","1") = "9"
    & skf18("2","5","5","6","3","1","1") = "5"
    & skf18("2","5","5","6","3","2","1") = "5"
    & skf18("2","5","5","6","3","3","1") = "5"
    & skf18("2","5","5","6","3","4","1") = "5"
    & skf18("2","5","5","6","3","5","1") = "5"
    & skf18("2","5","5","6","3","6","1") = "5"
    & skf18("2","5","5","6","3","7","1") = "6"
    & skf18("2","5","5","6","3","8","1") = "7"
    & skf18("2","5","5","6","3","9","1") = "8"
    & skf18("2","5","5","6","3","10","1") = "9"
    & skf18("2","5","5","6","4","1","1") = "5"
    & skf18("2","5","5","6","4","2","1") = "5"
    & skf18("2","5","5","6","4","3","1") = "5"
    & skf18("2","5","5","6","4","4","1") = "5"
    & skf18("2","5","5","6","4","5","1") = "5"
    & skf18("2","5","5","6","4","6","1") = "5"
    & skf18("2","5","5","6","4","7","1") = "6"
    & skf18("2","5","5","6","4","8","1") = "7"
    & skf18("2","5","5","6","4","9","1") = "8"
    & skf18("2","5","5","6","4","10","1") = "9"
    & skf18("2","5","5","6","5","1","1") = "5"
    & skf18("2","5","5","6","5","2","1") = "5"
    & skf18("2","5","5","6","5","3","1") = "5"
    & skf18("2","5","5","6","5","4","1") = "5"
    & skf18("2","5","5","6","5","5","1") = "5"
    & skf18("2","5","5","6","5","6","1") = "5"
    & skf18("2","5","5","6","5","7","1") = "6"
    & skf18("2","5","5","6","5","8","1") = "7"
    & skf18("2","5","5","6","5","9","1") = "8"
    & skf18("2","5","5","6","5","10","1") = "9"
    & skf18("2","5","5","6","6","1","1") = "5"
    & skf18("2","5","5","6","6","2","1") = "5"
    & skf18("2","5","5","6","6","3","1") = "5"
    & skf18("2","5","5","6","6","4","1") = "5"
    & skf18("2","5","5","6","6","5","1") = "5"
    & skf18("2","5","5","6","6","6","1") = "5"
    & skf18("2","5","5","6","6","7","1") = "6"
    & skf18("2","5","5","6","6","8","1") = "7"
    & skf18("2","5","5","6","6","9","1") = "8"
    & skf18("2","5","5","6","6","10","1") = "9"
    & skf18("2","5","5","6","7","1","1") = "6"
    & skf18("2","5","5","6","7","2","1") = "6"
    & skf18("2","5","5","6","7","3","1") = "6"
    & skf18("2","5","5","6","7","4","1") = "6"
    & skf18("2","5","5","6","7","5","1") = "6"
    & skf18("2","5","5","6","7","6","1") = "6"
    & skf18("2","5","5","6","7","7","1") = "6"
    & skf18("2","5","5","6","7","8","1") = "7"
    & skf18("2","5","5","6","7","9","1") = "8"
    & skf18("2","5","5","6","7","10","1") = "9"
    & skf18("2","5","5","6","8","1","1") = "7"
    & skf18("2","5","5","6","8","2","1") = "7"
    & skf18("2","5","5","6","8","3","1") = "7"
    & skf18("2","5","5","6","8","4","1") = "7"
    & skf18("2","5","5","6","8","5","1") = "7"
    & skf18("2","5","5","6","8","6","1") = "7"
    & skf18("2","5","5","6","8","7","1") = "7"
    & skf18("2","5","5","6","8","8","1") = "7"
    & skf18("2","5","5","6","8","9","1") = "8"
    & skf18("2","5","5","6","8","10","1") = "9"
    & skf18("2","5","5","6","9","1","1") = "8"
    & skf18("2","5","5","6","9","2","1") = "8"
    & skf18("2","5","5","6","9","3","1") = "8"
    & skf18("2","5","5","6","9","4","1") = "8"
    & skf18("2","5","5","6","9","5","1") = "8"
    & skf18("2","5","5","6","9","6","1") = "8"
    & skf18("2","5","5","6","9","7","1") = "8"
    & skf18("2","5","5","6","9","8","1") = "8"
    & skf18("2","5","5","6","9","9","1") = "8"
    & skf18("2","5","5","6","9","10","1") = "9"
    & skf18("2","5","5","6","10","1","1") = "9"
    & skf18("2","5","5","6","10","2","1") = "9"
    & skf18("2","5","5","6","10","3","1") = "9"
    & skf18("2","5","5","6","10","4","1") = "9"
    & skf18("2","5","5","6","10","5","1") = "9"
    & skf18("2","5","5","6","10","6","1") = "9"
    & skf18("2","5","5","6","10","7","1") = "9"
    & skf18("2","5","5","6","10","8","1") = "9"
    & skf18("2","5","5","6","10","9","1") = "9"
    & skf18("2","5","5","6","10","10","1") = "9"
    & skf18("2","5","5","7","1","1","1") = "6"
    & skf18("2","5","5","7","1","2","1") = "6"
    & skf18("2","5","5","7","1","3","1") = "6"
    & skf18("2","5","5","7","1","4","1") = "6"
    & skf18("2","5","5","7","1","5","1") = "6"
    & skf18("2","5","5","7","1","6","1") = "6"
    & skf18("2","5","5","7","1","7","1") = "6"
    & skf18("2","5","5","7","1","8","1") = "7"
    & skf18("2","5","5","7","1","9","1") = "8"
    & skf18("2","5","5","7","1","10","1") = "9"
    & skf18("2","5","5","7","2","1","1") = "6"
    & skf18("2","5","5","7","2","2","1") = "6"
    & skf18("2","5","5","7","2","3","1") = "6"
    & skf18("2","5","5","7","2","4","1") = "6"
    & skf18("2","5","5","7","2","5","1") = "6"
    & skf18("2","5","5","7","2","6","1") = "6"
    & skf18("2","5","5","7","2","7","1") = "6"
    & skf18("2","5","5","7","2","8","1") = "7"
    & skf18("2","5","5","7","2","9","1") = "8"
    & skf18("2","5","5","7","2","10","1") = "9"
    & skf18("2","5","5","7","3","1","1") = "6"
    & skf18("2","5","5","7","3","2","1") = "6"
    & skf18("2","5","5","7","3","3","1") = "6"
    & skf18("2","5","5","7","3","4","1") = "6"
    & skf18("2","5","5","7","3","5","1") = "6"
    & skf18("2","5","5","7","3","6","1") = "6"
    & skf18("2","5","5","7","3","7","1") = "6"
    & skf18("2","5","5","7","3","8","1") = "7"
    & skf18("2","5","5","7","3","9","1") = "8"
    & skf18("2","5","5","7","3","10","1") = "9"
    & skf18("2","5","5","7","4","1","1") = "6"
    & skf18("2","5","5","7","4","2","1") = "6"
    & skf18("2","5","5","7","4","3","1") = "6"
    & skf18("2","5","5","7","4","4","1") = "6"
    & skf18("2","5","5","7","4","5","1") = "6"
    & skf18("2","5","5","7","4","6","1") = "6"
    & skf18("2","5","5","7","4","7","1") = "6"
    & skf18("2","5","5","7","4","8","1") = "7"
    & skf18("2","5","5","7","4","9","1") = "8"
    & skf18("2","5","5","7","4","10","1") = "9"
    & skf18("2","5","5","7","5","1","1") = "6"
    & skf18("2","5","5","7","5","2","1") = "6"
    & skf18("2","5","5","7","5","3","1") = "6"
    & skf18("2","5","5","7","5","4","1") = "6"
    & skf18("2","5","5","7","5","5","1") = "6"
    & skf18("2","5","5","7","5","6","1") = "6"
    & skf18("2","5","5","7","5","7","1") = "6"
    & skf18("2","5","5","7","5","8","1") = "7"
    & skf18("2","5","5","7","5","9","1") = "8"
    & skf18("2","5","5","7","5","10","1") = "9"
    & skf18("2","5","5","7","6","1","1") = "6"
    & skf18("2","5","5","7","6","2","1") = "6"
    & skf18("2","5","5","7","6","3","1") = "6"
    & skf18("2","5","5","7","6","4","1") = "6"
    & skf18("2","5","5","7","6","5","1") = "6"
    & skf18("2","5","5","7","6","6","1") = "6"
    & skf18("2","5","5","7","6","7","1") = "6"
    & skf18("2","5","5","7","6","8","1") = "7"
    & skf18("2","5","5","7","6","9","1") = "8"
    & skf18("2","5","5","7","6","10","1") = "9"
    & skf18("2","5","5","7","7","1","1") = "6"
    & skf18("2","5","5","7","7","2","1") = "6"
    & skf18("2","5","5","7","7","3","1") = "6"
    & skf18("2","5","5","7","7","4","1") = "6"
    & skf18("2","5","5","7","7","5","1") = "6"
    & skf18("2","5","5","7","7","6","1") = "6"
    & skf18("2","5","5","7","7","7","1") = "6"
    & skf18("2","5","5","7","7","8","1") = "7"
    & skf18("2","5","5","7","7","9","1") = "8"
    & skf18("2","5","5","7","7","10","1") = "9"
    & skf18("2","5","5","7","8","1","1") = "7"
    & skf18("2","5","5","7","8","2","1") = "7"
    & skf18("2","5","5","7","8","3","1") = "7"
    & skf18("2","5","5","7","8","4","1") = "7"
    & skf18("2","5","5","7","8","5","1") = "7"
    & skf18("2","5","5","7","8","6","1") = "7"
    & skf18("2","5","5","7","8","7","1") = "7"
    & skf18("2","5","5","7","8","8","1") = "7"
    & skf18("2","5","5","7","8","9","1") = "8"
    & skf18("2","5","5","7","8","10","1") = "9"
    & skf18("2","5","5","7","9","1","1") = "8"
    & skf18("2","5","5","7","9","2","1") = "8"
    & skf18("2","5","5","7","9","3","1") = "8"
    & skf18("2","5","5","7","9","4","1") = "8"
    & skf18("2","5","5","7","9","5","1") = "8"
    & skf18("2","5","5","7","9","6","1") = "8"
    & skf18("2","5","5","7","9","7","1") = "8"
    & skf18("2","5","5","7","9","8","1") = "8"
    & skf18("2","5","5","7","9","9","1") = "8"
    & skf18("2","5","5","7","9","10","1") = "9"
    & skf18("2","5","5","7","10","1","1") = "9"
    & skf18("2","5","5","7","10","2","1") = "9"
    & skf18("2","5","5","7","10","3","1") = "9"
    & skf18("2","5","5","7","10","4","1") = "9"
    & skf18("2","5","5","7","10","5","1") = "9"
    & skf18("2","5","5","7","10","6","1") = "9"
    & skf18("2","5","5","7","10","7","1") = "9"
    & skf18("2","5","5","7","10","8","1") = "9"
    & skf18("2","5","5","7","10","9","1") = "9"
    & skf18("2","5","5","7","10","10","1") = "9"
    & skf18("2","5","5","8","1","1","1") = "7"
    & skf18("2","5","5","8","1","2","1") = "7"
    & skf18("2","5","5","8","1","3","1") = "7"
    & skf18("2","5","5","8","1","4","1") = "7"
    & skf18("2","5","5","8","1","5","1") = "7"
    & skf18("2","5","5","8","1","6","1") = "7"
    & skf18("2","5","5","8","1","7","1") = "7"
    & skf18("2","5","5","8","1","8","1") = "7"
    & skf18("2","5","5","8","1","9","1") = "8"
    & skf18("2","5","5","8","1","10","1") = "9"
    & skf18("2","5","5","8","2","1","1") = "7"
    & skf18("2","5","5","8","2","2","1") = "7"
    & skf18("2","5","5","8","2","3","1") = "7"
    & skf18("2","5","5","8","2","4","1") = "7"
    & skf18("2","5","5","8","2","5","1") = "7"
    & skf18("2","5","5","8","2","6","1") = "7"
    & skf18("2","5","5","8","2","7","1") = "7"
    & skf18("2","5","5","8","2","8","1") = "7"
    & skf18("2","5","5","8","2","9","1") = "8"
    & skf18("2","5","5","8","2","10","1") = "9"
    & skf18("2","5","5","8","3","1","1") = "7"
    & skf18("2","5","5","8","3","2","1") = "7"
    & skf18("2","5","5","8","3","3","1") = "7"
    & skf18("2","5","5","8","3","4","1") = "7"
    & skf18("2","5","5","8","3","5","1") = "7"
    & skf18("2","5","5","8","3","6","1") = "7"
    & skf18("2","5","5","8","3","7","1") = "7"
    & skf18("2","5","5","8","3","8","1") = "7"
    & skf18("2","5","5","8","3","9","1") = "8"
    & skf18("2","5","5","8","3","10","1") = "9"
    & skf18("2","5","5","8","4","1","1") = "7"
    & skf18("2","5","5","8","4","2","1") = "7"
    & skf18("2","5","5","8","4","3","1") = "7"
    & skf18("2","5","5","8","4","4","1") = "7"
    & skf18("2","5","5","8","4","5","1") = "7"
    & skf18("2","5","5","8","4","6","1") = "7"
    & skf18("2","5","5","8","4","7","1") = "7"
    & skf18("2","5","5","8","4","8","1") = "7"
    & skf18("2","5","5","8","4","9","1") = "8"
    & skf18("2","5","5","8","4","10","1") = "9"
    & skf18("2","5","5","8","5","1","1") = "7"
    & skf18("2","5","5","8","5","2","1") = "7"
    & skf18("2","5","5","8","5","3","1") = "7"
    & skf18("2","5","5","8","5","4","1") = "7"
    & skf18("2","5","5","8","5","5","1") = "7"
    & skf18("2","5","5","8","5","6","1") = "7"
    & skf18("2","5","5","8","5","7","1") = "7"
    & skf18("2","5","5","8","5","8","1") = "7"
    & skf18("2","5","5","8","5","9","1") = "8"
    & skf18("2","5","5","8","5","10","1") = "9"
    & skf18("2","5","5","8","6","1","1") = "7"
    & skf18("2","5","5","8","6","2","1") = "7"
    & skf18("2","5","5","8","6","3","1") = "7"
    & skf18("2","5","5","8","6","4","1") = "7"
    & skf18("2","5","5","8","6","5","1") = "7"
    & skf18("2","5","5","8","6","6","1") = "7"
    & skf18("2","5","5","8","6","7","1") = "7"
    & skf18("2","5","5","8","6","8","1") = "7"
    & skf18("2","5","5","8","6","9","1") = "8"
    & skf18("2","5","5","8","6","10","1") = "9"
    & skf18("2","5","5","8","7","1","1") = "7"
    & skf18("2","5","5","8","7","2","1") = "7"
    & skf18("2","5","5","8","7","3","1") = "7"
    & skf18("2","5","5","8","7","4","1") = "7"
    & skf18("2","5","5","8","7","5","1") = "7"
    & skf18("2","5","5","8","7","6","1") = "7"
    & skf18("2","5","5","8","7","7","1") = "7"
    & skf18("2","5","5","8","7","8","1") = "7"
    & skf18("2","5","5","8","7","9","1") = "8"
    & skf18("2","5","5","8","7","10","1") = "9"
    & skf18("2","5","5","8","8","1","1") = "7"
    & skf18("2","5","5","8","8","2","1") = "7"
    & skf18("2","5","5","8","8","3","1") = "7"
    & skf18("2","5","5","8","8","4","1") = "7"
    & skf18("2","5","5","8","8","5","1") = "7"
    & skf18("2","5","5","8","8","6","1") = "7"
    & skf18("2","5","5","8","8","7","1") = "7"
    & skf18("2","5","5","8","8","8","1") = "7"
    & skf18("2","5","5","8","8","9","1") = "8"
    & skf18("2","5","5","8","8","10","1") = "9"
    & skf18("2","5","5","8","9","1","1") = "8"
    & skf18("2","5","5","8","9","2","1") = "8"
    & skf18("2","5","5","8","9","3","1") = "8"
    & skf18("2","5","5","8","9","4","1") = "8"
    & skf18("2","5","5","8","9","5","1") = "8"
    & skf18("2","5","5","8","9","6","1") = "8"
    & skf18("2","5","5","8","9","7","1") = "8"
    & skf18("2","5","5","8","9","8","1") = "8"
    & skf18("2","5","5","8","9","9","1") = "8"
    & skf18("2","5","5","8","9","10","1") = "9"
    & skf18("2","5","5","8","10","1","1") = "9"
    & skf18("2","5","5","8","10","2","1") = "9"
    & skf18("2","5","5","8","10","3","1") = "9"
    & skf18("2","5","5","8","10","4","1") = "9"
    & skf18("2","5","5","8","10","5","1") = "9"
    & skf18("2","5","5","8","10","6","1") = "9"
    & skf18("2","5","5","8","10","7","1") = "9"
    & skf18("2","5","5","8","10","8","1") = "9"
    & skf18("2","5","5","8","10","9","1") = "9"
    & skf18("2","5","5","8","10","10","1") = "9"
    & skf18("2","5","5","9","1","1","1") = "8"
    & skf18("2","5","5","9","1","2","1") = "8"
    & skf18("2","5","5","9","1","3","1") = "8"
    & skf18("2","5","5","9","1","4","1") = "8"
    & skf18("2","5","5","9","1","5","1") = "8"
    & skf18("2","5","5","9","1","6","1") = "8"
    & skf18("2","5","5","9","1","7","1") = "8"
    & skf18("2","5","5","9","1","8","1") = "8"
    & skf18("2","5","5","9","1","9","1") = "8"
    & skf18("2","5","5","9","1","10","1") = "9"
    & skf18("2","5","5","9","2","1","1") = "8"
    & skf18("2","5","5","9","2","2","1") = "8"
    & skf18("2","5","5","9","2","3","1") = "8"
    & skf18("2","5","5","9","2","4","1") = "8"
    & skf18("2","5","5","9","2","5","1") = "8"
    & skf18("2","5","5","9","2","6","1") = "8"
    & skf18("2","5","5","9","2","7","1") = "8"
    & skf18("2","5","5","9","2","8","1") = "8"
    & skf18("2","5","5","9","2","9","1") = "8"
    & skf18("2","5","5","9","2","10","1") = "9"
    & skf18("2","5","5","9","3","1","1") = "8"
    & skf18("2","5","5","9","3","2","1") = "8"
    & skf18("2","5","5","9","3","3","1") = "8"
    & skf18("2","5","5","9","3","4","1") = "8"
    & skf18("2","5","5","9","3","5","1") = "8"
    & skf18("2","5","5","9","3","6","1") = "8"
    & skf18("2","5","5","9","3","7","1") = "8"
    & skf18("2","5","5","9","3","8","1") = "8"
    & skf18("2","5","5","9","3","9","1") = "8"
    & skf18("2","5","5","9","3","10","1") = "9"
    & skf18("2","5","5","9","4","1","1") = "8"
    & skf18("2","5","5","9","4","2","1") = "8"
    & skf18("2","5","5","9","4","3","1") = "8"
    & skf18("2","5","5","9","4","4","1") = "8"
    & skf18("2","5","5","9","4","5","1") = "8"
    & skf18("2","5","5","9","4","6","1") = "8"
    & skf18("2","5","5","9","4","7","1") = "8"
    & skf18("2","5","5","9","4","8","1") = "8"
    & skf18("2","5","5","9","4","9","1") = "8"
    & skf18("2","5","5","9","4","10","1") = "9"
    & skf18("2","5","5","9","5","1","1") = "8"
    & skf18("2","5","5","9","5","2","1") = "8"
    & skf18("2","5","5","9","5","3","1") = "8"
    & skf18("2","5","5","9","5","4","1") = "8"
    & skf18("2","5","5","9","5","5","1") = "8"
    & skf18("2","5","5","9","5","6","1") = "8"
    & skf18("2","5","5","9","5","7","1") = "8"
    & skf18("2","5","5","9","5","8","1") = "8"
    & skf18("2","5","5","9","5","9","1") = "8"
    & skf18("2","5","5","9","5","10","1") = "9"
    & skf18("2","5","5","9","6","1","1") = "8"
    & skf18("2","5","5","9","6","2","1") = "8"
    & skf18("2","5","5","9","6","3","1") = "8"
    & skf18("2","5","5","9","6","4","1") = "8"
    & skf18("2","5","5","9","6","5","1") = "8"
    & skf18("2","5","5","9","6","6","1") = "8"
    & skf18("2","5","5","9","6","7","1") = "8"
    & skf18("2","5","5","9","6","8","1") = "8"
    & skf18("2","5","5","9","6","9","1") = "8"
    & skf18("2","5","5","9","6","10","1") = "9"
    & skf18("2","5","5","9","7","1","1") = "8"
    & skf18("2","5","5","9","7","2","1") = "8"
    & skf18("2","5","5","9","7","3","1") = "8"
    & skf18("2","5","5","9","7","4","1") = "8"
    & skf18("2","5","5","9","7","5","1") = "8"
    & skf18("2","5","5","9","7","6","1") = "8"
    & skf18("2","5","5","9","7","7","1") = "8"
    & skf18("2","5","5","9","7","8","1") = "8"
    & skf18("2","5","5","9","7","9","1") = "8"
    & skf18("2","5","5","9","7","10","1") = "9"
    & skf18("2","5","5","9","8","1","1") = "8"
    & skf18("2","5","5","9","8","2","1") = "8"
    & skf18("2","5","5","9","8","3","1") = "8"
    & skf18("2","5","5","9","8","4","1") = "8"
    & skf18("2","5","5","9","8","5","1") = "8"
    & skf18("2","5","5","9","8","6","1") = "8"
    & skf18("2","5","5","9","8","7","1") = "8"
    & skf18("2","5","5","9","8","8","1") = "8"
    & skf18("2","5","5","9","8","9","1") = "8"
    & skf18("2","5","5","9","8","10","1") = "9"
    & skf18("2","5","5","9","9","1","1") = "8"
    & skf18("2","5","5","9","9","2","1") = "8"
    & skf18("2","5","5","9","9","3","1") = "8"
    & skf18("2","5","5","9","9","4","1") = "8"
    & skf18("2","5","5","9","9","5","1") = "8"
    & skf18("2","5","5","9","9","6","1") = "8"
    & skf18("2","5","5","9","9","7","1") = "8"
    & skf18("2","5","5","9","9","8","1") = "8"
    & skf18("2","5","5","9","9","9","1") = "8"
    & skf18("2","5","5","9","9","10","1") = "9"
    & skf18("2","5","5","9","10","1","1") = "9"
    & skf18("2","5","5","9","10","2","1") = "9"
    & skf18("2","5","5","9","10","3","1") = "9"
    & skf18("2","5","5","9","10","4","1") = "9"
    & skf18("2","5","5","9","10","5","1") = "9"
    & skf18("2","5","5","9","10","6","1") = "9"
    & skf18("2","5","5","9","10","7","1") = "9"
    & skf18("2","5","5","9","10","8","1") = "9"
    & skf18("2","5","5","9","10","9","1") = "9"
    & skf18("2","5","5","9","10","10","1") = "9"
    & skf18("2","5","5","10","1","1","1") = "9"
    & skf18("2","5","5","10","1","2","1") = "9"
    & skf18("2","5","5","10","1","3","1") = "9"
    & skf18("2","5","5","10","1","4","1") = "9"
    & skf18("2","5","5","10","1","5","1") = "9"
    & skf18("2","5","5","10","1","6","1") = "9"
    & skf18("2","5","5","10","1","7","1") = "9"
    & skf18("2","5","5","10","1","8","1") = "9"
    & skf18("2","5","5","10","1","9","1") = "9"
    & skf18("2","5","5","10","1","10","1") = "9"
    & skf18("2","5","5","10","2","1","1") = "9"
    & skf18("2","5","5","10","2","2","1") = "9"
    & skf18("2","5","5","10","2","3","1") = "9"
    & skf18("2","5","5","10","2","4","1") = "9"
    & skf18("2","5","5","10","2","5","1") = "9"
    & skf18("2","5","5","10","2","6","1") = "9"
    & skf18("2","5","5","10","2","7","1") = "9"
    & skf18("2","5","5","10","2","8","1") = "9"
    & skf18("2","5","5","10","2","9","1") = "9"
    & skf18("2","5","5","10","2","10","1") = "9"
    & skf18("2","5","5","10","3","1","1") = "9"
    & skf18("2","5","5","10","3","2","1") = "9"
    & skf18("2","5","5","10","3","3","1") = "9"
    & skf18("2","5","5","10","3","4","1") = "9"
    & skf18("2","5","5","10","3","5","1") = "9"
    & skf18("2","5","5","10","3","6","1") = "9"
    & skf18("2","5","5","10","3","7","1") = "9"
    & skf18("2","5","5","10","3","8","1") = "9"
    & skf18("2","5","5","10","3","9","1") = "9"
    & skf18("2","5","5","10","3","10","1") = "9"
    & skf18("2","5","5","10","4","1","1") = "9"
    & skf18("2","5","5","10","4","2","1") = "9"
    & skf18("2","5","5","10","4","3","1") = "9"
    & skf18("2","5","5","10","4","4","1") = "9"
    & skf18("2","5","5","10","4","5","1") = "9"
    & skf18("2","5","5","10","4","6","1") = "9"
    & skf18("2","5","5","10","4","7","1") = "9"
    & skf18("2","5","5","10","4","8","1") = "9"
    & skf18("2","5","5","10","4","9","1") = "9"
    & skf18("2","5","5","10","4","10","1") = "9"
    & skf18("2","5","5","10","5","1","1") = "9"
    & skf18("2","5","5","10","5","2","1") = "9"
    & skf18("2","5","5","10","5","3","1") = "9"
    & skf18("2","5","5","10","5","4","1") = "9"
    & skf18("2","5","5","10","5","5","1") = "9"
    & skf18("2","5","5","10","5","6","1") = "9"
    & skf18("2","5","5","10","5","7","1") = "9"
    & skf18("2","5","5","10","5","8","1") = "9"
    & skf18("2","5","5","10","5","9","1") = "9"
    & skf18("2","5","5","10","5","10","1") = "9"
    & skf18("2","5","5","10","6","1","1") = "9"
    & skf18("2","5","5","10","6","2","1") = "9"
    & skf18("2","5","5","10","6","3","1") = "9"
    & skf18("2","5","5","10","6","4","1") = "9"
    & skf18("2","5","5","10","6","5","1") = "9"
    & skf18("2","5","5","10","6","6","1") = "9"
    & skf18("2","5","5","10","6","7","1") = "9"
    & skf18("2","5","5","10","6","8","1") = "9"
    & skf18("2","5","5","10","6","9","1") = "9"
    & skf18("2","5","5","10","6","10","1") = "9"
    & skf18("2","5","5","10","7","1","1") = "9"
    & skf18("2","5","5","10","7","2","1") = "9"
    & skf18("2","5","5","10","7","3","1") = "9"
    & skf18("2","5","5","10","7","4","1") = "9"
    & skf18("2","5","5","10","7","5","1") = "9"
    & skf18("2","5","5","10","7","6","1") = "9"
    & skf18("2","5","5","10","7","7","1") = "9"
    & skf18("2","5","5","10","7","8","1") = "9"
    & skf18("2","5","5","10","7","9","1") = "9"
    & skf18("2","5","5","10","7","10","1") = "9"
    & skf18("2","5","5","10","8","1","1") = "9"
    & skf18("2","5","5","10","8","2","1") = "9"
    & skf18("2","5","5","10","8","3","1") = "9"
    & skf18("2","5","5","10","8","4","1") = "9"
    & skf18("2","5","5","10","8","5","1") = "9"
    & skf18("2","5","5","10","8","6","1") = "9"
    & skf18("2","5","5","10","8","7","1") = "9"
    & skf18("2","5","5","10","8","8","1") = "9"
    & skf18("2","5","5","10","8","9","1") = "9"
    & skf18("2","5","5","10","8","10","1") = "9"
    & skf18("2","5","5","10","9","1","1") = "9"
    & skf18("2","5","5","10","9","2","1") = "9"
    & skf18("2","5","5","10","9","3","1") = "9"
    & skf18("2","5","5","10","9","4","1") = "9"
    & skf18("2","5","5","10","9","5","1") = "9"
    & skf18("2","5","5","10","9","6","1") = "9"
    & skf18("2","5","5","10","9","7","1") = "9"
    & skf18("2","5","5","10","9","8","1") = "9"
    & skf18("2","5","5","10","9","9","1") = "9"
    & skf18("2","5","5","10","9","10","1") = "9"
    & skf18("2","5","5","10","10","1","1") = "9"
    & skf18("2","5","5","10","10","2","1") = "9"
    & skf18("2","5","5","10","10","3","1") = "9"
    & skf18("2","5","5","10","10","4","1") = "9"
    & skf18("2","5","5","10","10","5","1") = "9"
    & skf18("2","5","5","10","10","6","1") = "9"
    & skf18("2","5","5","10","10","7","1") = "9"
    & skf18("2","5","5","10","10","8","1") = "9"
    & skf18("2","5","5","10","10","9","1") = "9"
    & skf18("2","5","5","10","10","10","1") = "9"
    & skf18("2","5","6","1","1","1","1") = "5"
    & skf18("2","5","6","1","1","2","1") = "5"
    & skf18("2","5","6","1","1","3","1") = "5"
    & skf18("2","5","6","1","1","4","1") = "5"
    & skf18("2","5","6","1","1","5","1") = "5"
    & skf18("2","5","6","1","1","6","1") = "5"
    & skf18("2","5","6","1","1","7","1") = "6"
    & skf18("2","5","6","1","1","8","1") = "7"
    & skf18("2","5","6","1","1","9","1") = "8"
    & skf18("2","5","6","1","1","10","1") = "9"
    & skf18("2","5","6","1","2","1","1") = "5"
    & skf18("2","5","6","1","2","2","1") = "5"
    & skf18("2","5","6","1","2","3","1") = "5"
    & skf18("2","5","6","1","2","4","1") = "5"
    & skf18("2","5","6","1","2","5","1") = "5"
    & skf18("2","5","6","1","2","6","1") = "5"
    & skf18("2","5","6","1","2","7","1") = "6"
    & skf18("2","5","6","1","2","8","1") = "7"
    & skf18("2","5","6","1","2","9","1") = "8"
    & skf18("2","5","6","1","2","10","1") = "9"
    & skf18("2","5","6","1","3","1","1") = "5"
    & skf18("2","5","6","1","3","2","1") = "5"
    & skf18("2","5","6","1","3","3","1") = "5"
    & skf18("2","5","6","1","3","4","1") = "5"
    & skf18("2","5","6","1","3","5","1") = "5"
    & skf18("2","5","6","1","3","6","1") = "5"
    & skf18("2","5","6","1","3","7","1") = "6"
    & skf18("2","5","6","1","3","8","1") = "7"
    & skf18("2","5","6","1","3","9","1") = "8"
    & skf18("2","5","6","1","3","10","1") = "9"
    & skf18("2","5","6","1","4","1","1") = "5"
    & skf18("2","5","6","1","4","2","1") = "5"
    & skf18("2","5","6","1","4","3","1") = "5"
    & skf18("2","5","6","1","4","4","1") = "5"
    & skf18("2","5","6","1","4","5","1") = "5"
    & skf18("2","5","6","1","4","6","1") = "5"
    & skf18("2","5","6","1","4","7","1") = "6"
    & skf18("2","5","6","1","4","8","1") = "7"
    & skf18("2","5","6","1","4","9","1") = "8"
    & skf18("2","5","6","1","4","10","1") = "9"
    & skf18("2","5","6","1","5","1","1") = "5"
    & skf18("2","5","6","1","5","2","1") = "5"
    & skf18("2","5","6","1","5","3","1") = "5"
    & skf18("2","5","6","1","5","4","1") = "5"
    & skf18("2","5","6","1","5","5","1") = "5"
    & skf18("2","5","6","1","5","6","1") = "5"
    & skf18("2","5","6","1","5","7","1") = "6"
    & skf18("2","5","6","1","5","8","1") = "7"
    & skf18("2","5","6","1","5","9","1") = "8"
    & skf18("2","5","6","1","5","10","1") = "9"
    & skf18("2","5","6","1","6","1","1") = "5"
    & skf18("2","5","6","1","6","2","1") = "5"
    & skf18("2","5","6","1","6","3","1") = "5"
    & skf18("2","5","6","1","6","4","1") = "5"
    & skf18("2","5","6","1","6","5","1") = "5"
    & skf18("2","5","6","1","6","6","1") = "5"
    & skf18("2","5","6","1","6","7","1") = "6"
    & skf18("2","5","6","1","6","8","1") = "7"
    & skf18("2","5","6","1","6","9","1") = "8"
    & skf18("2","5","6","1","6","10","1") = "9"
    & skf18("2","5","6","1","7","1","1") = "6"
    & skf18("2","5","6","1","7","2","1") = "6"
    & skf18("2","5","6","1","7","3","1") = "6"
    & skf18("2","5","6","1","7","4","1") = "6"
    & skf18("2","5","6","1","7","5","1") = "6"
    & skf18("2","5","6","1","7","6","1") = "6"
    & skf18("2","5","6","1","7","7","1") = "6"
    & skf18("2","5","6","1","7","8","1") = "7"
    & skf18("2","5","6","1","7","9","1") = "8"
    & skf18("2","5","6","1","7","10","1") = "9"
    & skf18("2","5","6","1","8","1","1") = "7"
    & skf18("2","5","6","1","8","2","1") = "7"
    & skf18("2","5","6","1","8","3","1") = "7"
    & skf18("2","5","6","1","8","4","1") = "7"
    & skf18("2","5","6","1","8","5","1") = "7"
    & skf18("2","5","6","1","8","6","1") = "7"
    & skf18("2","5","6","1","8","7","1") = "7"
    & skf18("2","5","6","1","8","8","1") = "7"
    & skf18("2","5","6","1","8","9","1") = "8"
    & skf18("2","5","6","1","8","10","1") = "9"
    & skf18("2","5","6","1","9","1","1") = "8"
    & skf18("2","5","6","1","9","2","1") = "8"
    & skf18("2","5","6","1","9","3","1") = "8"
    & skf18("2","5","6","1","9","4","1") = "8"
    & skf18("2","5","6","1","9","5","1") = "8"
    & skf18("2","5","6","1","9","6","1") = "8"
    & skf18("2","5","6","1","9","7","1") = "8"
    & skf18("2","5","6","1","9","8","1") = "8"
    & skf18("2","5","6","1","9","9","1") = "8"
    & skf18("2","5","6","1","9","10","1") = "9"
    & skf18("2","5","6","1","10","1","1") = "9"
    & skf18("2","5","6","1","10","2","1") = "9"
    & skf18("2","5","6","1","10","3","1") = "9"
    & skf18("2","5","6","1","10","4","1") = "9"
    & skf18("2","5","6","1","10","5","1") = "9"
    & skf18("2","5","6","1","10","6","1") = "9"
    & skf18("2","5","6","1","10","7","1") = "9"
    & skf18("2","5","6","1","10","8","1") = "9"
    & skf18("2","5","6","1","10","9","1") = "9"
    & skf18("2","5","6","1","10","10","1") = "9"
    & skf18("2","5","6","2","1","1","1") = "5"
    & skf18("2","5","6","2","1","2","1") = "5"
    & skf18("2","5","6","2","1","3","1") = "5"
    & skf18("2","5","6","2","1","4","1") = "5"
    & skf18("2","5","6","2","1","5","1") = "5"
    & skf18("2","5","6","2","1","6","1") = "5"
    & skf18("2","5","6","2","1","7","1") = "6"
    & skf18("2","5","6","2","1","8","1") = "7"
    & skf18("2","5","6","2","1","9","1") = "8"
    & skf18("2","5","6","2","1","10","1") = "9"
    & skf18("2","5","6","2","2","1","1") = "5"
    & skf18("2","5","6","2","2","2","1") = "5"
    & skf18("2","5","6","2","2","3","1") = "5"
    & skf18("2","5","6","2","2","4","1") = "5"
    & skf18("2","5","6","2","2","5","1") = "5"
    & skf18("2","5","6","2","2","6","1") = "5"
    & skf18("2","5","6","2","2","7","1") = "6"
    & skf18("2","5","6","2","2","8","1") = "7"
    & skf18("2","5","6","2","2","9","1") = "8"
    & skf18("2","5","6","2","2","10","1") = "9"
    & skf18("2","5","6","2","3","1","1") = "5"
    & skf18("2","5","6","2","3","2","1") = "5"
    & skf18("2","5","6","2","3","3","1") = "5"
    & skf18("2","5","6","2","3","4","1") = "5"
    & skf18("2","5","6","2","3","5","1") = "5"
    & skf18("2","5","6","2","3","6","1") = "5"
    & skf18("2","5","6","2","3","7","1") = "6"
    & skf18("2","5","6","2","3","8","1") = "7"
    & skf18("2","5","6","2","3","9","1") = "8"
    & skf18("2","5","6","2","3","10","1") = "9"
    & skf18("2","5","6","2","4","1","1") = "5"
    & skf18("2","5","6","2","4","2","1") = "5"
    & skf18("2","5","6","2","4","3","1") = "5"
    & skf18("2","5","6","2","4","4","1") = "5"
    & skf18("2","5","6","2","4","5","1") = "5"
    & skf18("2","5","6","2","4","6","1") = "5"
    & skf18("2","5","6","2","4","7","1") = "6"
    & skf18("2","5","6","2","4","8","1") = "7"
    & skf18("2","5","6","2","4","9","1") = "8"
    & skf18("2","5","6","2","4","10","1") = "9"
    & skf18("2","5","6","2","5","1","1") = "5"
    & skf18("2","5","6","2","5","2","1") = "5"
    & skf18("2","5","6","2","5","3","1") = "5"
    & skf18("2","5","6","2","5","4","1") = "5"
    & skf18("2","5","6","2","5","5","1") = "5"
    & skf18("2","5","6","2","5","6","1") = "5"
    & skf18("2","5","6","2","5","7","1") = "6"
    & skf18("2","5","6","2","5","8","1") = "7"
    & skf18("2","5","6","2","5","9","1") = "8"
    & skf18("2","5","6","2","5","10","1") = "9"
    & skf18("2","5","6","2","6","1","1") = "5"
    & skf18("2","5","6","2","6","2","1") = "5"
    & skf18("2","5","6","2","6","3","1") = "5"
    & skf18("2","5","6","2","6","4","1") = "5"
    & skf18("2","5","6","2","6","5","1") = "5"
    & skf18("2","5","6","2","6","6","1") = "5"
    & skf18("2","5","6","2","6","7","1") = "6"
    & skf18("2","5","6","2","6","8","1") = "7"
    & skf18("2","5","6","2","6","9","1") = "8"
    & skf18("2","5","6","2","6","10","1") = "9"
    & skf18("2","5","6","2","7","1","1") = "6"
    & skf18("2","5","6","2","7","2","1") = "6"
    & skf18("2","5","6","2","7","3","1") = "6"
    & skf18("2","5","6","2","7","4","1") = "6"
    & skf18("2","5","6","2","7","5","1") = "6"
    & skf18("2","5","6","2","7","6","1") = "6"
    & skf18("2","5","6","2","7","7","1") = "6"
    & skf18("2","5","6","2","7","8","1") = "7"
    & skf18("2","5","6","2","7","9","1") = "8"
    & skf18("2","5","6","2","7","10","1") = "9"
    & skf18("2","5","6","2","8","1","1") = "7"
    & skf18("2","5","6","2","8","2","1") = "7"
    & skf18("2","5","6","2","8","3","1") = "7"
    & skf18("2","5","6","2","8","4","1") = "7"
    & skf18("2","5","6","2","8","5","1") = "7"
    & skf18("2","5","6","2","8","6","1") = "7"
    & skf18("2","5","6","2","8","7","1") = "7"
    & skf18("2","5","6","2","8","8","1") = "7"
    & skf18("2","5","6","2","8","9","1") = "8"
    & skf18("2","5","6","2","8","10","1") = "9"
    & skf18("2","5","6","2","9","1","1") = "8"
    & skf18("2","5","6","2","9","2","1") = "8"
    & skf18("2","5","6","2","9","3","1") = "8"
    & skf18("2","5","6","2","9","4","1") = "8"
    & skf18("2","5","6","2","9","5","1") = "8"
    & skf18("2","5","6","2","9","6","1") = "8"
    & skf18("2","5","6","2","9","7","1") = "8"
    & skf18("2","5","6","2","9","8","1") = "8"
    & skf18("2","5","6","2","9","9","1") = "8"
    & skf18("2","5","6","2","9","10","1") = "9"
    & skf18("2","5","6","2","10","1","1") = "9"
    & skf18("2","5","6","2","10","2","1") = "9"
    & skf18("2","5","6","2","10","3","1") = "9"
    & skf18("2","5","6","2","10","4","1") = "9"
    & skf18("2","5","6","2","10","5","1") = "9"
    & skf18("2","5","6","2","10","6","1") = "9"
    & skf18("2","5","6","2","10","7","1") = "9"
    & skf18("2","5","6","2","10","8","1") = "9"
    & skf18("2","5","6","2","10","9","1") = "9"
    & skf18("2","5","6","2","10","10","1") = "9"
    & skf18("2","5","6","3","1","1","1") = "5"
    & skf18("2","5","6","3","1","2","1") = "5"
    & skf18("2","5","6","3","1","3","1") = "5"
    & skf18("2","5","6","3","1","4","1") = "5"
    & skf18("2","5","6","3","1","5","1") = "5"
    & skf18("2","5","6","3","1","6","1") = "5"
    & skf18("2","5","6","3","1","7","1") = "6"
    & skf18("2","5","6","3","1","8","1") = "7"
    & skf18("2","5","6","3","1","9","1") = "8"
    & skf18("2","5","6","3","1","10","1") = "9"
    & skf18("2","5","6","3","2","1","1") = "5"
    & skf18("2","5","6","3","2","2","1") = "5"
    & skf18("2","5","6","3","2","3","1") = "5"
    & skf18("2","5","6","3","2","4","1") = "5"
    & skf18("2","5","6","3","2","5","1") = "5"
    & skf18("2","5","6","3","2","6","1") = "5"
    & skf18("2","5","6","3","2","7","1") = "6"
    & skf18("2","5","6","3","2","8","1") = "7"
    & skf18("2","5","6","3","2","9","1") = "8"
    & skf18("2","5","6","3","2","10","1") = "9"
    & skf18("2","5","6","3","3","1","1") = "5"
    & skf18("2","5","6","3","3","2","1") = "5"
    & skf18("2","5","6","3","3","3","1") = "5"
    & skf18("2","5","6","3","3","4","1") = "5"
    & skf18("2","5","6","3","3","5","1") = "5"
    & skf18("2","5","6","3","3","6","1") = "5"
    & skf18("2","5","6","3","3","7","1") = "6"
    & skf18("2","5","6","3","3","8","1") = "7"
    & skf18("2","5","6","3","3","9","1") = "8"
    & skf18("2","5","6","3","3","10","1") = "9"
    & skf18("2","5","6","3","4","1","1") = "5"
    & skf18("2","5","6","3","4","2","1") = "5"
    & skf18("2","5","6","3","4","3","1") = "5"
    & skf18("2","5","6","3","4","4","1") = "5"
    & skf18("2","5","6","3","4","5","1") = "5"
    & skf18("2","5","6","3","4","6","1") = "5"
    & skf18("2","5","6","3","4","7","1") = "6"
    & skf18("2","5","6","3","4","8","1") = "7"
    & skf18("2","5","6","3","4","9","1") = "8"
    & skf18("2","5","6","3","4","10","1") = "9"
    & skf18("2","5","6","3","5","1","1") = "5"
    & skf18("2","5","6","3","5","2","1") = "5"
    & skf18("2","5","6","3","5","3","1") = "5"
    & skf18("2","5","6","3","5","4","1") = "5"
    & skf18("2","5","6","3","5","5","1") = "5"
    & skf18("2","5","6","3","5","6","1") = "5"
    & skf18("2","5","6","3","5","7","1") = "6"
    & skf18("2","5","6","3","5","8","1") = "7"
    & skf18("2","5","6","3","5","9","1") = "8"
    & skf18("2","5","6","3","5","10","1") = "9"
    & skf18("2","5","6","3","6","1","1") = "5"
    & skf18("2","5","6","3","6","2","1") = "5"
    & skf18("2","5","6","3","6","3","1") = "5"
    & skf18("2","5","6","3","6","4","1") = "5"
    & skf18("2","5","6","3","6","5","1") = "5"
    & skf18("2","5","6","3","6","6","1") = "5"
    & skf18("2","5","6","3","6","7","1") = "6"
    & skf18("2","5","6","3","6","8","1") = "7"
    & skf18("2","5","6","3","6","9","1") = "8"
    & skf18("2","5","6","3","6","10","1") = "9"
    & skf18("2","5","6","3","7","1","1") = "6"
    & skf18("2","5","6","3","7","2","1") = "6"
    & skf18("2","5","6","3","7","3","1") = "6"
    & skf18("2","5","6","3","7","4","1") = "6"
    & skf18("2","5","6","3","7","5","1") = "6"
    & skf18("2","5","6","3","7","6","1") = "6"
    & skf18("2","5","6","3","7","7","1") = "6"
    & skf18("2","5","6","3","7","8","1") = "7"
    & skf18("2","5","6","3","7","9","1") = "8"
    & skf18("2","5","6","3","7","10","1") = "9"
    & skf18("2","5","6","3","8","1","1") = "7"
    & skf18("2","5","6","3","8","2","1") = "7"
    & skf18("2","5","6","3","8","3","1") = "7"
    & skf18("2","5","6","3","8","4","1") = "7"
    & skf18("2","5","6","3","8","5","1") = "7"
    & skf18("2","5","6","3","8","6","1") = "7"
    & skf18("2","5","6","3","8","7","1") = "7"
    & skf18("2","5","6","3","8","8","1") = "7"
    & skf18("2","5","6","3","8","9","1") = "8"
    & skf18("2","5","6","3","8","10","1") = "9"
    & skf18("2","5","6","3","9","1","1") = "8"
    & skf18("2","5","6","3","9","2","1") = "8"
    & skf18("2","5","6","3","9","3","1") = "8"
    & skf18("2","5","6","3","9","4","1") = "8"
    & skf18("2","5","6","3","9","5","1") = "8"
    & skf18("2","5","6","3","9","6","1") = "8"
    & skf18("2","5","6","3","9","7","1") = "8"
    & skf18("2","5","6","3","9","8","1") = "8"
    & skf18("2","5","6","3","9","9","1") = "8"
    & skf18("2","5","6","3","9","10","1") = "9"
    & skf18("2","5","6","3","10","1","1") = "9"
    & skf18("2","5","6","3","10","2","1") = "9"
    & skf18("2","5","6","3","10","3","1") = "9"
    & skf18("2","5","6","3","10","4","1") = "9"
    & skf18("2","5","6","3","10","5","1") = "9"
    & skf18("2","5","6","3","10","6","1") = "9"
    & skf18("2","5","6","3","10","7","1") = "9"
    & skf18("2","5","6","3","10","8","1") = "9"
    & skf18("2","5","6","3","10","9","1") = "9"
    & skf18("2","5","6","3","10","10","1") = "9"
    & skf18("2","5","6","4","1","1","1") = "5"
    & skf18("2","5","6","4","1","2","1") = "5"
    & skf18("2","5","6","4","1","3","1") = "5"
    & skf18("2","5","6","4","1","4","1") = "5"
    & skf18("2","5","6","4","1","5","1") = "5"
    & skf18("2","5","6","4","1","6","1") = "5"
    & skf18("2","5","6","4","1","7","1") = "6"
    & skf18("2","5","6","4","1","8","1") = "7"
    & skf18("2","5","6","4","1","9","1") = "8"
    & skf18("2","5","6","4","1","10","1") = "9"
    & skf18("2","5","6","4","2","1","1") = "5"
    & skf18("2","5","6","4","2","2","1") = "5"
    & skf18("2","5","6","4","2","3","1") = "5"
    & skf18("2","5","6","4","2","4","1") = "5"
    & skf18("2","5","6","4","2","5","1") = "5"
    & skf18("2","5","6","4","2","6","1") = "5"
    & skf18("2","5","6","4","2","7","1") = "6"
    & skf18("2","5","6","4","2","8","1") = "7"
    & skf18("2","5","6","4","2","9","1") = "8"
    & skf18("2","5","6","4","2","10","1") = "9"
    & skf18("2","5","6","4","3","1","1") = "5"
    & skf18("2","5","6","4","3","2","1") = "5"
    & skf18("2","5","6","4","3","3","1") = "5"
    & skf18("2","5","6","4","3","4","1") = "5"
    & skf18("2","5","6","4","3","5","1") = "5"
    & skf18("2","5","6","4","3","6","1") = "5"
    & skf18("2","5","6","4","3","7","1") = "6"
    & skf18("2","5","6","4","3","8","1") = "7"
    & skf18("2","5","6","4","3","9","1") = "8"
    & skf18("2","5","6","4","3","10","1") = "9"
    & skf18("2","5","6","4","4","1","1") = "5"
    & skf18("2","5","6","4","4","2","1") = "5"
    & skf18("2","5","6","4","4","3","1") = "5"
    & skf18("2","5","6","4","4","4","1") = "5"
    & skf18("2","5","6","4","4","5","1") = "5"
    & skf18("2","5","6","4","4","6","1") = "5"
    & skf18("2","5","6","4","4","7","1") = "6"
    & skf18("2","5","6","4","4","8","1") = "7"
    & skf18("2","5","6","4","4","9","1") = "8"
    & skf18("2","5","6","4","4","10","1") = "9"
    & skf18("2","5","6","4","5","1","1") = "5"
    & skf18("2","5","6","4","5","2","1") = "5"
    & skf18("2","5","6","4","5","3","1") = "5"
    & skf18("2","5","6","4","5","4","1") = "5"
    & skf18("2","5","6","4","5","5","1") = "5"
    & skf18("2","5","6","4","5","6","1") = "5"
    & skf18("2","5","6","4","5","7","1") = "6"
    & skf18("2","5","6","4","5","8","1") = "7"
    & skf18("2","5","6","4","5","9","1") = "8"
    & skf18("2","5","6","4","5","10","1") = "9"
    & skf18("2","5","6","4","6","1","1") = "5"
    & skf18("2","5","6","4","6","2","1") = "5"
    & skf18("2","5","6","4","6","3","1") = "5"
    & skf18("2","5","6","4","6","4","1") = "5"
    & skf18("2","5","6","4","6","5","1") = "5"
    & skf18("2","5","6","4","6","6","1") = "5"
    & skf18("2","5","6","4","6","7","1") = "6"
    & skf18("2","5","6","4","6","8","1") = "7"
    & skf18("2","5","6","4","6","9","1") = "8"
    & skf18("2","5","6","4","6","10","1") = "9"
    & skf18("2","5","6","4","7","1","1") = "6"
    & skf18("2","5","6","4","7","2","1") = "6"
    & skf18("2","5","6","4","7","3","1") = "6"
    & skf18("2","5","6","4","7","4","1") = "6"
    & skf18("2","5","6","4","7","5","1") = "6"
    & skf18("2","5","6","4","7","6","1") = "6"
    & skf18("2","5","6","4","7","7","1") = "6"
    & skf18("2","5","6","4","7","8","1") = "7"
    & skf18("2","5","6","4","7","9","1") = "8"
    & skf18("2","5","6","4","7","10","1") = "9"
    & skf18("2","5","6","4","8","1","1") = "7"
    & skf18("2","5","6","4","8","2","1") = "7"
    & skf18("2","5","6","4","8","3","1") = "7"
    & skf18("2","5","6","4","8","4","1") = "7"
    & skf18("2","5","6","4","8","5","1") = "7"
    & skf18("2","5","6","4","8","6","1") = "7"
    & skf18("2","5","6","4","8","7","1") = "7"
    & skf18("2","5","6","4","8","8","1") = "7"
    & skf18("2","5","6","4","8","9","1") = "8"
    & skf18("2","5","6","4","8","10","1") = "9"
    & skf18("2","5","6","4","9","1","1") = "8"
    & skf18("2","5","6","4","9","2","1") = "8"
    & skf18("2","5","6","4","9","3","1") = "8"
    & skf18("2","5","6","4","9","4","1") = "8"
    & skf18("2","5","6","4","9","5","1") = "8"
    & skf18("2","5","6","4","9","6","1") = "8"
    & skf18("2","5","6","4","9","7","1") = "8"
    & skf18("2","5","6","4","9","8","1") = "8"
    & skf18("2","5","6","4","9","9","1") = "8"
    & skf18("2","5","6","4","9","10","1") = "9"
    & skf18("2","5","6","4","10","1","1") = "9"
    & skf18("2","5","6","4","10","2","1") = "9"
    & skf18("2","5","6","4","10","3","1") = "9"
    & skf18("2","5","6","4","10","4","1") = "9"
    & skf18("2","5","6","4","10","5","1") = "9"
    & skf18("2","5","6","4","10","6","1") = "9"
    & skf18("2","5","6","4","10","7","1") = "9"
    & skf18("2","5","6","4","10","8","1") = "9"
    & skf18("2","5","6","4","10","9","1") = "9"
    & skf18("2","5","6","4","10","10","1") = "9"
    & skf18("2","5","6","5","1","1","1") = "5"
    & skf18("2","5","6","5","1","2","1") = "5"
    & skf18("2","5","6","5","1","3","1") = "5"
    & skf18("2","5","6","5","1","4","1") = "5"
    & skf18("2","5","6","5","1","5","1") = "5"
    & skf18("2","5","6","5","1","6","1") = "5"
    & skf18("2","5","6","5","1","7","1") = "6"
    & skf18("2","5","6","5","1","8","1") = "7"
    & skf18("2","5","6","5","1","9","1") = "8"
    & skf18("2","5","6","5","1","10","1") = "9"
    & skf18("2","5","6","5","2","1","1") = "5"
    & skf18("2","5","6","5","2","2","1") = "5"
    & skf18("2","5","6","5","2","3","1") = "5"
    & skf18("2","5","6","5","2","4","1") = "5"
    & skf18("2","5","6","5","2","5","1") = "5"
    & skf18("2","5","6","5","2","6","1") = "5"
    & skf18("2","5","6","5","2","7","1") = "6"
    & skf18("2","5","6","5","2","8","1") = "7"
    & skf18("2","5","6","5","2","9","1") = "8"
    & skf18("2","5","6","5","2","10","1") = "9"
    & skf18("2","5","6","5","3","1","1") = "5"
    & skf18("2","5","6","5","3","2","1") = "5"
    & skf18("2","5","6","5","3","3","1") = "5"
    & skf18("2","5","6","5","3","4","1") = "5"
    & skf18("2","5","6","5","3","5","1") = "5"
    & skf18("2","5","6","5","3","6","1") = "5"
    & skf18("2","5","6","5","3","7","1") = "6"
    & skf18("2","5","6","5","3","8","1") = "7"
    & skf18("2","5","6","5","3","9","1") = "8"
    & skf18("2","5","6","5","3","10","1") = "9"
    & skf18("2","5","6","5","4","1","1") = "5"
    & skf18("2","5","6","5","4","2","1") = "5"
    & skf18("2","5","6","5","4","3","1") = "5"
    & skf18("2","5","6","5","4","4","1") = "5"
    & skf18("2","5","6","5","4","5","1") = "5"
    & skf18("2","5","6","5","4","6","1") = "5"
    & skf18("2","5","6","5","4","7","1") = "6"
    & skf18("2","5","6","5","4","8","1") = "7"
    & skf18("2","5","6","5","4","9","1") = "8"
    & skf18("2","5","6","5","4","10","1") = "9"
    & skf18("2","5","6","5","5","1","1") = "5"
    & skf18("2","5","6","5","5","2","1") = "5"
    & skf18("2","5","6","5","5","3","1") = "5"
    & skf18("2","5","6","5","5","4","1") = "5"
    & skf18("2","5","6","5","5","5","1") = "5"
    & skf18("2","5","6","5","5","6","1") = "5"
    & skf18("2","5","6","5","5","7","1") = "6"
    & skf18("2","5","6","5","5","8","1") = "7"
    & skf18("2","5","6","5","5","9","1") = "8"
    & skf18("2","5","6","5","5","10","1") = "9"
    & skf18("2","5","6","5","6","1","1") = "5"
    & skf18("2","5","6","5","6","2","1") = "5"
    & skf18("2","5","6","5","6","3","1") = "5"
    & skf18("2","5","6","5","6","4","1") = "5"
    & skf18("2","5","6","5","6","5","1") = "5"
    & skf18("2","5","6","5","6","6","1") = "5"
    & skf18("2","5","6","5","6","7","1") = "6"
    & skf18("2","5","6","5","6","8","1") = "7"
    & skf18("2","5","6","5","6","9","1") = "8"
    & skf18("2","5","6","5","6","10","1") = "9"
    & skf18("2","5","6","5","7","1","1") = "6"
    & skf18("2","5","6","5","7","2","1") = "6"
    & skf18("2","5","6","5","7","3","1") = "6"
    & skf18("2","5","6","5","7","4","1") = "6"
    & skf18("2","5","6","5","7","5","1") = "6"
    & skf18("2","5","6","5","7","6","1") = "6"
    & skf18("2","5","6","5","7","7","1") = "6"
    & skf18("2","5","6","5","7","8","1") = "7"
    & skf18("2","5","6","5","7","9","1") = "8"
    & skf18("2","5","6","5","7","10","1") = "9"
    & skf18("2","5","6","5","8","1","1") = "7"
    & skf18("2","5","6","5","8","2","1") = "7"
    & skf18("2","5","6","5","8","3","1") = "7"
    & skf18("2","5","6","5","8","4","1") = "7"
    & skf18("2","5","6","5","8","5","1") = "7"
    & skf18("2","5","6","5","8","6","1") = "7"
    & skf18("2","5","6","5","8","7","1") = "7"
    & skf18("2","5","6","5","8","8","1") = "7"
    & skf18("2","5","6","5","8","9","1") = "8"
    & skf18("2","5","6","5","8","10","1") = "9"
    & skf18("2","5","6","5","9","1","1") = "8"
    & skf18("2","5","6","5","9","2","1") = "8"
    & skf18("2","5","6","5","9","3","1") = "8"
    & skf18("2","5","6","5","9","4","1") = "8"
    & skf18("2","5","6","5","9","5","1") = "8"
    & skf18("2","5","6","5","9","6","1") = "8"
    & skf18("2","5","6","5","9","7","1") = "8"
    & skf18("2","5","6","5","9","8","1") = "8"
    & skf18("2","5","6","5","9","9","1") = "8"
    & skf18("2","5","6","5","9","10","1") = "9"
    & skf18("2","5","6","5","10","1","1") = "9"
    & skf18("2","5","6","5","10","2","1") = "9"
    & skf18("2","5","6","5","10","3","1") = "9"
    & skf18("2","5","6","5","10","4","1") = "9"
    & skf18("2","5","6","5","10","5","1") = "9"
    & skf18("2","5","6","5","10","6","1") = "9"
    & skf18("2","5","6","5","10","7","1") = "9"
    & skf18("2","5","6","5","10","8","1") = "9"
    & skf18("2","5","6","5","10","9","1") = "9"
    & skf18("2","5","6","5","10","10","1") = "9"
    & skf18("2","5","6","6","1","1","1") = "5"
    & skf18("2","5","6","6","1","2","1") = "5"
    & skf18("2","5","6","6","1","3","1") = "5"
    & skf18("2","5","6","6","1","4","1") = "5"
    & skf18("2","5","6","6","1","5","1") = "5"
    & skf18("2","5","6","6","1","6","1") = "5"
    & skf18("2","5","6","6","1","7","1") = "6"
    & skf18("2","5","6","6","1","8","1") = "7"
    & skf18("2","5","6","6","1","9","1") = "8"
    & skf18("2","5","6","6","1","10","1") = "9"
    & skf18("2","5","6","6","2","1","1") = "5"
    & skf18("2","5","6","6","2","2","1") = "5"
    & skf18("2","5","6","6","2","3","1") = "5"
    & skf18("2","5","6","6","2","4","1") = "5"
    & skf18("2","5","6","6","2","5","1") = "5"
    & skf18("2","5","6","6","2","6","1") = "5"
    & skf18("2","5","6","6","2","7","1") = "6"
    & skf18("2","5","6","6","2","8","1") = "7"
    & skf18("2","5","6","6","2","9","1") = "8"
    & skf18("2","5","6","6","2","10","1") = "9"
    & skf18("2","5","6","6","3","1","1") = "5"
    & skf18("2","5","6","6","3","2","1") = "5"
    & skf18("2","5","6","6","3","3","1") = "5"
    & skf18("2","5","6","6","3","4","1") = "5"
    & skf18("2","5","6","6","3","5","1") = "5"
    & skf18("2","5","6","6","3","6","1") = "5"
    & skf18("2","5","6","6","3","7","1") = "6"
    & skf18("2","5","6","6","3","8","1") = "7"
    & skf18("2","5","6","6","3","9","1") = "8"
    & skf18("2","5","6","6","3","10","1") = "9"
    & skf18("2","5","6","6","4","1","1") = "5"
    & skf18("2","5","6","6","4","2","1") = "5"
    & skf18("2","5","6","6","4","3","1") = "5"
    & skf18("2","5","6","6","4","4","1") = "5"
    & skf18("2","5","6","6","4","5","1") = "5"
    & skf18("2","5","6","6","4","6","1") = "5"
    & skf18("2","5","6","6","4","7","1") = "6"
    & skf18("2","5","6","6","4","8","1") = "7"
    & skf18("2","5","6","6","4","9","1") = "8"
    & skf18("2","5","6","6","4","10","1") = "9"
    & skf18("2","5","6","6","5","1","1") = "5"
    & skf18("2","5","6","6","5","2","1") = "5"
    & skf18("2","5","6","6","5","3","1") = "5"
    & skf18("2","5","6","6","5","4","1") = "5"
    & skf18("2","5","6","6","5","5","1") = "5"
    & skf18("2","5","6","6","5","6","1") = "5"
    & skf18("2","5","6","6","5","7","1") = "6"
    & skf18("2","5","6","6","5","8","1") = "7"
    & skf18("2","5","6","6","5","9","1") = "8"
    & skf18("2","5","6","6","5","10","1") = "9"
    & skf18("2","5","6","6","6","1","1") = "5"
    & skf18("2","5","6","6","6","2","1") = "5"
    & skf18("2","5","6","6","6","3","1") = "5"
    & skf18("2","5","6","6","6","4","1") = "5"
    & skf18("2","5","6","6","6","5","1") = "5"
    & skf18("2","5","6","6","6","6","1") = "5"
    & skf18("2","5","6","6","6","7","1") = "6"
    & skf18("2","5","6","6","6","8","1") = "7"
    & skf18("2","5","6","6","6","9","1") = "8"
    & skf18("2","5","6","6","6","10","1") = "9"
    & skf18("2","5","6","6","7","1","1") = "6"
    & skf18("2","5","6","6","7","2","1") = "6"
    & skf18("2","5","6","6","7","3","1") = "6"
    & skf18("2","5","6","6","7","4","1") = "6"
    & skf18("2","5","6","6","7","5","1") = "6"
    & skf18("2","5","6","6","7","6","1") = "6"
    & skf18("2","5","6","6","7","7","1") = "6"
    & skf18("2","5","6","6","7","8","1") = "7"
    & skf18("2","5","6","6","7","9","1") = "8"
    & skf18("2","5","6","6","7","10","1") = "9"
    & skf18("2","5","6","6","8","1","1") = "7"
    & skf18("2","5","6","6","8","2","1") = "7"
    & skf18("2","5","6","6","8","3","1") = "7"
    & skf18("2","5","6","6","8","4","1") = "7"
    & skf18("2","5","6","6","8","5","1") = "7"
    & skf18("2","5","6","6","8","6","1") = "7"
    & skf18("2","5","6","6","8","7","1") = "7"
    & skf18("2","5","6","6","8","8","1") = "7"
    & skf18("2","5","6","6","8","9","1") = "8"
    & skf18("2","5","6","6","8","10","1") = "9"
    & skf18("2","5","6","6","9","1","1") = "8"
    & skf18("2","5","6","6","9","2","1") = "8"
    & skf18("2","5","6","6","9","3","1") = "8"
    & skf18("2","5","6","6","9","4","1") = "8"
    & skf18("2","5","6","6","9","5","1") = "8"
    & skf18("2","5","6","6","9","6","1") = "8"
    & skf18("2","5","6","6","9","7","1") = "8"
    & skf18("2","5","6","6","9","8","1") = "8"
    & skf18("2","5","6","6","9","9","1") = "8"
    & skf18("2","5","6","6","9","10","1") = "9"
    & skf18("2","5","6","6","10","1","1") = "9"
    & skf18("2","5","6","6","10","2","1") = "9"
    & skf18("2","5","6","6","10","3","1") = "9"
    & skf18("2","5","6","6","10","4","1") = "9"
    & skf18("2","5","6","6","10","5","1") = "9"
    & skf18("2","5","6","6","10","6","1") = "9"
    & skf18("2","5","6","6","10","7","1") = "9"
    & skf18("2","5","6","6","10","8","1") = "9"
    & skf18("2","5","6","6","10","9","1") = "9"
    & skf18("2","5","6","6","10","10","1") = "9"
    & skf18("2","5","6","7","1","1","1") = "6"
    & skf18("2","5","6","7","1","2","1") = "6"
    & skf18("2","5","6","7","1","3","1") = "6"
    & skf18("2","5","6","7","1","4","1") = "6"
    & skf18("2","5","6","7","1","5","1") = "6"
    & skf18("2","5","6","7","1","6","1") = "6"
    & skf18("2","5","6","7","1","7","1") = "6"
    & skf18("2","5","6","7","1","8","1") = "7"
    & skf18("2","5","6","7","1","9","1") = "8"
    & skf18("2","5","6","7","1","10","1") = "9"
    & skf18("2","5","6","7","2","1","1") = "6"
    & skf18("2","5","6","7","2","2","1") = "6"
    & skf18("2","5","6","7","2","3","1") = "6"
    & skf18("2","5","6","7","2","4","1") = "6"
    & skf18("2","5","6","7","2","5","1") = "6"
    & skf18("2","5","6","7","2","6","1") = "6"
    & skf18("2","5","6","7","2","7","1") = "6"
    & skf18("2","5","6","7","2","8","1") = "7"
    & skf18("2","5","6","7","2","9","1") = "8"
    & skf18("2","5","6","7","2","10","1") = "9"
    & skf18("2","5","6","7","3","1","1") = "6"
    & skf18("2","5","6","7","3","2","1") = "6"
    & skf18("2","5","6","7","3","3","1") = "6"
    & skf18("2","5","6","7","3","4","1") = "6"
    & skf18("2","5","6","7","3","5","1") = "6"
    & skf18("2","5","6","7","3","6","1") = "6"
    & skf18("2","5","6","7","3","7","1") = "6"
    & skf18("2","5","6","7","3","8","1") = "7"
    & skf18("2","5","6","7","3","9","1") = "8"
    & skf18("2","5","6","7","3","10","1") = "9"
    & skf18("2","5","6","7","4","1","1") = "6"
    & skf18("2","5","6","7","4","2","1") = "6"
    & skf18("2","5","6","7","4","3","1") = "6"
    & skf18("2","5","6","7","4","4","1") = "6"
    & skf18("2","5","6","7","4","5","1") = "6"
    & skf18("2","5","6","7","4","6","1") = "6"
    & skf18("2","5","6","7","4","7","1") = "6"
    & skf18("2","5","6","7","4","8","1") = "7"
    & skf18("2","5","6","7","4","9","1") = "8"
    & skf18("2","5","6","7","4","10","1") = "9"
    & skf18("2","5","6","7","5","1","1") = "6"
    & skf18("2","5","6","7","5","2","1") = "6"
    & skf18("2","5","6","7","5","3","1") = "6"
    & skf18("2","5","6","7","5","4","1") = "6"
    & skf18("2","5","6","7","5","5","1") = "6"
    & skf18("2","5","6","7","5","6","1") = "6"
    & skf18("2","5","6","7","5","7","1") = "6"
    & skf18("2","5","6","7","5","8","1") = "7"
    & skf18("2","5","6","7","5","9","1") = "8"
    & skf18("2","5","6","7","5","10","1") = "9"
    & skf18("2","5","6","7","6","1","1") = "6"
    & skf18("2","5","6","7","6","2","1") = "6"
    & skf18("2","5","6","7","6","3","1") = "6"
    & skf18("2","5","6","7","6","4","1") = "6"
    & skf18("2","5","6","7","6","5","1") = "6"
    & skf18("2","5","6","7","6","6","1") = "6"
    & skf18("2","5","6","7","6","7","1") = "6"
    & skf18("2","5","6","7","6","8","1") = "7"
    & skf18("2","5","6","7","6","9","1") = "8"
    & skf18("2","5","6","7","6","10","1") = "9"
    & skf18("2","5","6","7","7","1","1") = "6"
    & skf18("2","5","6","7","7","2","1") = "6"
    & skf18("2","5","6","7","7","3","1") = "6"
    & skf18("2","5","6","7","7","4","1") = "6"
    & skf18("2","5","6","7","7","5","1") = "6"
    & skf18("2","5","6","7","7","6","1") = "6"
    & skf18("2","5","6","7","7","7","1") = "6"
    & skf18("2","5","6","7","7","8","1") = "7"
    & skf18("2","5","6","7","7","9","1") = "8"
    & skf18("2","5","6","7","7","10","1") = "9"
    & skf18("2","5","6","7","8","1","1") = "7"
    & skf18("2","5","6","7","8","2","1") = "7"
    & skf18("2","5","6","7","8","3","1") = "7"
    & skf18("2","5","6","7","8","4","1") = "7"
    & skf18("2","5","6","7","8","5","1") = "7"
    & skf18("2","5","6","7","8","6","1") = "7"
    & skf18("2","5","6","7","8","7","1") = "7"
    & skf18("2","5","6","7","8","8","1") = "7"
    & skf18("2","5","6","7","8","9","1") = "8"
    & skf18("2","5","6","7","8","10","1") = "9"
    & skf18("2","5","6","7","9","1","1") = "8"
    & skf18("2","5","6","7","9","2","1") = "8"
    & skf18("2","5","6","7","9","3","1") = "8"
    & skf18("2","5","6","7","9","4","1") = "8"
    & skf18("2","5","6","7","9","5","1") = "8"
    & skf18("2","5","6","7","9","6","1") = "8"
    & skf18("2","5","6","7","9","7","1") = "8"
    & skf18("2","5","6","7","9","8","1") = "8"
    & skf18("2","5","6","7","9","9","1") = "8"
    & skf18("2","5","6","7","9","10","1") = "9"
    & skf18("2","5","6","7","10","1","1") = "9"
    & skf18("2","5","6","7","10","2","1") = "9"
    & skf18("2","5","6","7","10","3","1") = "9"
    & skf18("2","5","6","7","10","4","1") = "9"
    & skf18("2","5","6","7","10","5","1") = "9"
    & skf18("2","5","6","7","10","6","1") = "9"
    & skf18("2","5","6","7","10","7","1") = "9"
    & skf18("2","5","6","7","10","8","1") = "9"
    & skf18("2","5","6","7","10","9","1") = "9"
    & skf18("2","5","6","7","10","10","1") = "9"
    & skf18("2","5","6","8","1","1","1") = "7"
    & skf18("2","5","6","8","1","2","1") = "7"
    & skf18("2","5","6","8","1","3","1") = "7"
    & skf18("2","5","6","8","1","4","1") = "7"
    & skf18("2","5","6","8","1","5","1") = "7"
    & skf18("2","5","6","8","1","6","1") = "7"
    & skf18("2","5","6","8","1","7","1") = "7"
    & skf18("2","5","6","8","1","8","1") = "7"
    & skf18("2","5","6","8","1","9","1") = "8"
    & skf18("2","5","6","8","1","10","1") = "9"
    & skf18("2","5","6","8","2","1","1") = "7"
    & skf18("2","5","6","8","2","2","1") = "7"
    & skf18("2","5","6","8","2","3","1") = "7"
    & skf18("2","5","6","8","2","4","1") = "7"
    & skf18("2","5","6","8","2","5","1") = "7"
    & skf18("2","5","6","8","2","6","1") = "7"
    & skf18("2","5","6","8","2","7","1") = "7"
    & skf18("2","5","6","8","2","8","1") = "7"
    & skf18("2","5","6","8","2","9","1") = "8"
    & skf18("2","5","6","8","2","10","1") = "9"
    & skf18("2","5","6","8","3","1","1") = "7"
    & skf18("2","5","6","8","3","2","1") = "7"
    & skf18("2","5","6","8","3","3","1") = "7"
    & skf18("2","5","6","8","3","4","1") = "7"
    & skf18("2","5","6","8","3","5","1") = "7"
    & skf18("2","5","6","8","3","6","1") = "7"
    & skf18("2","5","6","8","3","7","1") = "7"
    & skf18("2","5","6","8","3","8","1") = "7"
    & skf18("2","5","6","8","3","9","1") = "8"
    & skf18("2","5","6","8","3","10","1") = "9"
    & skf18("2","5","6","8","4","1","1") = "7"
    & skf18("2","5","6","8","4","2","1") = "7"
    & skf18("2","5","6","8","4","3","1") = "7"
    & skf18("2","5","6","8","4","4","1") = "7"
    & skf18("2","5","6","8","4","5","1") = "7"
    & skf18("2","5","6","8","4","6","1") = "7"
    & skf18("2","5","6","8","4","7","1") = "7"
    & skf18("2","5","6","8","4","8","1") = "7"
    & skf18("2","5","6","8","4","9","1") = "8"
    & skf18("2","5","6","8","4","10","1") = "9"
    & skf18("2","5","6","8","5","1","1") = "7"
    & skf18("2","5","6","8","5","2","1") = "7"
    & skf18("2","5","6","8","5","3","1") = "7"
    & skf18("2","5","6","8","5","4","1") = "7"
    & skf18("2","5","6","8","5","5","1") = "7"
    & skf18("2","5","6","8","5","6","1") = "7"
    & skf18("2","5","6","8","5","7","1") = "7"
    & skf18("2","5","6","8","5","8","1") = "7"
    & skf18("2","5","6","8","5","9","1") = "8"
    & skf18("2","5","6","8","5","10","1") = "9"
    & skf18("2","5","6","8","6","1","1") = "7"
    & skf18("2","5","6","8","6","2","1") = "7"
    & skf18("2","5","6","8","6","3","1") = "7"
    & skf18("2","5","6","8","6","4","1") = "7"
    & skf18("2","5","6","8","6","5","1") = "7"
    & skf18("2","5","6","8","6","6","1") = "7"
    & skf18("2","5","6","8","6","7","1") = "7"
    & skf18("2","5","6","8","6","8","1") = "7"
    & skf18("2","5","6","8","6","9","1") = "8"
    & skf18("2","5","6","8","6","10","1") = "9"
    & skf18("2","5","6","8","7","1","1") = "7"
    & skf18("2","5","6","8","7","2","1") = "7"
    & skf18("2","5","6","8","7","3","1") = "7"
    & skf18("2","5","6","8","7","4","1") = "7"
    & skf18("2","5","6","8","7","5","1") = "7"
    & skf18("2","5","6","8","7","6","1") = "7"
    & skf18("2","5","6","8","7","7","1") = "7"
    & skf18("2","5","6","8","7","8","1") = "7"
    & skf18("2","5","6","8","7","9","1") = "8"
    & skf18("2","5","6","8","7","10","1") = "9"
    & skf18("2","5","6","8","8","1","1") = "7"
    & skf18("2","5","6","8","8","2","1") = "7"
    & skf18("2","5","6","8","8","3","1") = "7"
    & skf18("2","5","6","8","8","4","1") = "7"
    & skf18("2","5","6","8","8","5","1") = "7"
    & skf18("2","5","6","8","8","6","1") = "7"
    & skf18("2","5","6","8","8","7","1") = "7"
    & skf18("2","5","6","8","8","8","1") = "7"
    & skf18("2","5","6","8","8","9","1") = "8"
    & skf18("2","5","6","8","8","10","1") = "9"
    & skf18("2","5","6","8","9","1","1") = "8"
    & skf18("2","5","6","8","9","2","1") = "8"
    & skf18("2","5","6","8","9","3","1") = "8"
    & skf18("2","5","6","8","9","4","1") = "8"
    & skf18("2","5","6","8","9","5","1") = "8"
    & skf18("2","5","6","8","9","6","1") = "8"
    & skf18("2","5","6","8","9","7","1") = "8"
    & skf18("2","5","6","8","9","8","1") = "8"
    & skf18("2","5","6","8","9","9","1") = "8"
    & skf18("2","5","6","8","9","10","1") = "9"
    & skf18("2","5","6","8","10","1","1") = "9"
    & skf18("2","5","6","8","10","2","1") = "9"
    & skf18("2","5","6","8","10","3","1") = "9"
    & skf18("2","5","6","8","10","4","1") = "9"
    & skf18("2","5","6","8","10","5","1") = "9"
    & skf18("2","5","6","8","10","6","1") = "9"
    & skf18("2","5","6","8","10","7","1") = "9"
    & skf18("2","5","6","8","10","8","1") = "9"
    & skf18("2","5","6","8","10","9","1") = "9"
    & skf18("2","5","6","8","10","10","1") = "9"
    & skf18("2","5","6","9","1","1","1") = "8"
    & skf18("2","5","6","9","1","2","1") = "8"
    & skf18("2","5","6","9","1","3","1") = "8"
    & skf18("2","5","6","9","1","4","1") = "8"
    & skf18("2","5","6","9","1","5","1") = "8"
    & skf18("2","5","6","9","1","6","1") = "8"
    & skf18("2","5","6","9","1","7","1") = "8"
    & skf18("2","5","6","9","1","8","1") = "8"
    & skf18("2","5","6","9","1","9","1") = "8"
    & skf18("2","5","6","9","1","10","1") = "9"
    & skf18("2","5","6","9","2","1","1") = "8"
    & skf18("2","5","6","9","2","2","1") = "8"
    & skf18("2","5","6","9","2","3","1") = "8"
    & skf18("2","5","6","9","2","4","1") = "8"
    & skf18("2","5","6","9","2","5","1") = "8"
    & skf18("2","5","6","9","2","6","1") = "8"
    & skf18("2","5","6","9","2","7","1") = "8"
    & skf18("2","5","6","9","2","8","1") = "8"
    & skf18("2","5","6","9","2","9","1") = "8"
    & skf18("2","5","6","9","2","10","1") = "9"
    & skf18("2","5","6","9","3","1","1") = "8"
    & skf18("2","5","6","9","3","2","1") = "8"
    & skf18("2","5","6","9","3","3","1") = "8"
    & skf18("2","5","6","9","3","4","1") = "8"
    & skf18("2","5","6","9","3","5","1") = "8"
    & skf18("2","5","6","9","3","6","1") = "8"
    & skf18("2","5","6","9","3","7","1") = "8"
    & skf18("2","5","6","9","3","8","1") = "8"
    & skf18("2","5","6","9","3","9","1") = "8"
    & skf18("2","5","6","9","3","10","1") = "9"
    & skf18("2","5","6","9","4","1","1") = "8"
    & skf18("2","5","6","9","4","2","1") = "8"
    & skf18("2","5","6","9","4","3","1") = "8"
    & skf18("2","5","6","9","4","4","1") = "8"
    & skf18("2","5","6","9","4","5","1") = "8"
    & skf18("2","5","6","9","4","6","1") = "8"
    & skf18("2","5","6","9","4","7","1") = "8"
    & skf18("2","5","6","9","4","8","1") = "8"
    & skf18("2","5","6","9","4","9","1") = "8"
    & skf18("2","5","6","9","4","10","1") = "9"
    & skf18("2","5","6","9","5","1","1") = "8"
    & skf18("2","5","6","9","5","2","1") = "8"
    & skf18("2","5","6","9","5","3","1") = "8"
    & skf18("2","5","6","9","5","4","1") = "8"
    & skf18("2","5","6","9","5","5","1") = "8"
    & skf18("2","5","6","9","5","6","1") = "8"
    & skf18("2","5","6","9","5","7","1") = "8"
    & skf18("2","5","6","9","5","8","1") = "8"
    & skf18("2","5","6","9","5","9","1") = "8"
    & skf18("2","5","6","9","5","10","1") = "9"
    & skf18("2","5","6","9","6","1","1") = "8"
    & skf18("2","5","6","9","6","2","1") = "8"
    & skf18("2","5","6","9","6","3","1") = "8"
    & skf18("2","5","6","9","6","4","1") = "8"
    & skf18("2","5","6","9","6","5","1") = "8"
    & skf18("2","5","6","9","6","6","1") = "8"
    & skf18("2","5","6","9","6","7","1") = "8"
    & skf18("2","5","6","9","6","8","1") = "8"
    & skf18("2","5","6","9","6","9","1") = "8"
    & skf18("2","5","6","9","6","10","1") = "9"
    & skf18("2","5","6","9","7","1","1") = "8"
    & skf18("2","5","6","9","7","2","1") = "8"
    & skf18("2","5","6","9","7","3","1") = "8"
    & skf18("2","5","6","9","7","4","1") = "8"
    & skf18("2","5","6","9","7","5","1") = "8"
    & skf18("2","5","6","9","7","6","1") = "8"
    & skf18("2","5","6","9","7","7","1") = "8"
    & skf18("2","5","6","9","7","8","1") = "8"
    & skf18("2","5","6","9","7","9","1") = "8"
    & skf18("2","5","6","9","7","10","1") = "9"
    & skf18("2","5","6","9","8","1","1") = "8"
    & skf18("2","5","6","9","8","2","1") = "8"
    & skf18("2","5","6","9","8","3","1") = "8"
    & skf18("2","5","6","9","8","4","1") = "8"
    & skf18("2","5","6","9","8","5","1") = "8"
    & skf18("2","5","6","9","8","6","1") = "8"
    & skf18("2","5","6","9","8","7","1") = "8"
    & skf18("2","5","6","9","8","8","1") = "8"
    & skf18("2","5","6","9","8","9","1") = "8"
    & skf18("2","5","6","9","8","10","1") = "9"
    & skf18("2","5","6","9","9","1","1") = "8"
    & skf18("2","5","6","9","9","2","1") = "8"
    & skf18("2","5","6","9","9","3","1") = "8"
    & skf18("2","5","6","9","9","4","1") = "8"
    & skf18("2","5","6","9","9","5","1") = "8"
    & skf18("2","5","6","9","9","6","1") = "8"
    & skf18("2","5","6","9","9","7","1") = "8"
    & skf18("2","5","6","9","9","8","1") = "8"
    & skf18("2","5","6","9","9","9","1") = "8"
    & skf18("2","5","6","9","9","10","1") = "9"
    & skf18("2","5","6","9","10","1","1") = "9"
    & skf18("2","5","6","9","10","2","1") = "9"
    & skf18("2","5","6","9","10","3","1") = "9"
    & skf18("2","5","6","9","10","4","1") = "9"
    & skf18("2","5","6","9","10","5","1") = "9"
    & skf18("2","5","6","9","10","6","1") = "9"
    & skf18("2","5","6","9","10","7","1") = "9"
    & skf18("2","5","6","9","10","8","1") = "9"
    & skf18("2","5","6","9","10","9","1") = "9"
    & skf18("2","5","6","9","10","10","1") = "9"
    & skf18("2","5","6","10","1","1","1") = "9"
    & skf18("2","5","6","10","1","2","1") = "9"
    & skf18("2","5","6","10","1","3","1") = "9"
    & skf18("2","5","6","10","1","4","1") = "9"
    & skf18("2","5","6","10","1","5","1") = "9"
    & skf18("2","5","6","10","1","6","1") = "9"
    & skf18("2","5","6","10","1","7","1") = "9"
    & skf18("2","5","6","10","1","8","1") = "9"
    & skf18("2","5","6","10","1","9","1") = "9"
    & skf18("2","5","6","10","1","10","1") = "9"
    & skf18("2","5","6","10","2","1","1") = "9"
    & skf18("2","5","6","10","2","2","1") = "9"
    & skf18("2","5","6","10","2","3","1") = "9"
    & skf18("2","5","6","10","2","4","1") = "9"
    & skf18("2","5","6","10","2","5","1") = "9"
    & skf18("2","5","6","10","2","6","1") = "9"
    & skf18("2","5","6","10","2","7","1") = "9"
    & skf18("2","5","6","10","2","8","1") = "9"
    & skf18("2","5","6","10","2","9","1") = "9"
    & skf18("2","5","6","10","2","10","1") = "9"
    & skf18("2","5","6","10","3","1","1") = "9"
    & skf18("2","5","6","10","3","2","1") = "9"
    & skf18("2","5","6","10","3","3","1") = "9"
    & skf18("2","5","6","10","3","4","1") = "9"
    & skf18("2","5","6","10","3","5","1") = "9"
    & skf18("2","5","6","10","3","6","1") = "9"
    & skf18("2","5","6","10","3","7","1") = "9"
    & skf18("2","5","6","10","3","8","1") = "9"
    & skf18("2","5","6","10","3","9","1") = "9"
    & skf18("2","5","6","10","3","10","1") = "9"
    & skf18("2","5","6","10","4","1","1") = "9"
    & skf18("2","5","6","10","4","2","1") = "9"
    & skf18("2","5","6","10","4","3","1") = "9"
    & skf18("2","5","6","10","4","4","1") = "9"
    & skf18("2","5","6","10","4","5","1") = "9"
    & skf18("2","5","6","10","4","6","1") = "9"
    & skf18("2","5","6","10","4","7","1") = "9"
    & skf18("2","5","6","10","4","8","1") = "9"
    & skf18("2","5","6","10","4","9","1") = "9"
    & skf18("2","5","6","10","4","10","1") = "9"
    & skf18("2","5","6","10","5","1","1") = "9"
    & skf18("2","5","6","10","5","2","1") = "9"
    & skf18("2","5","6","10","5","3","1") = "9"
    & skf18("2","5","6","10","5","4","1") = "9"
    & skf18("2","5","6","10","5","5","1") = "9"
    & skf18("2","5","6","10","5","6","1") = "9"
    & skf18("2","5","6","10","5","7","1") = "9"
    & skf18("2","5","6","10","5","8","1") = "9"
    & skf18("2","5","6","10","5","9","1") = "9"
    & skf18("2","5","6","10","5","10","1") = "9"
    & skf18("2","5","6","10","6","1","1") = "9"
    & skf18("2","5","6","10","6","2","1") = "9"
    & skf18("2","5","6","10","6","3","1") = "9"
    & skf18("2","5","6","10","6","4","1") = "9"
    & skf18("2","5","6","10","6","5","1") = "9"
    & skf18("2","5","6","10","6","6","1") = "9"
    & skf18("2","5","6","10","6","7","1") = "9"
    & skf18("2","5","6","10","6","8","1") = "9"
    & skf18("2","5","6","10","6","9","1") = "9"
    & skf18("2","5","6","10","6","10","1") = "9"
    & skf18("2","5","6","10","7","1","1") = "9"
    & skf18("2","5","6","10","7","2","1") = "9"
    & skf18("2","5","6","10","7","3","1") = "9"
    & skf18("2","5","6","10","7","4","1") = "9"
    & skf18("2","5","6","10","7","5","1") = "9"
    & skf18("2","5","6","10","7","6","1") = "9"
    & skf18("2","5","6","10","7","7","1") = "9"
    & skf18("2","5","6","10","7","8","1") = "9"
    & skf18("2","5","6","10","7","9","1") = "9"
    & skf18("2","5","6","10","7","10","1") = "9"
    & skf18("2","5","6","10","8","1","1") = "9"
    & skf18("2","5","6","10","8","2","1") = "9"
    & skf18("2","5","6","10","8","3","1") = "9"
    & skf18("2","5","6","10","8","4","1") = "9"
    & skf18("2","5","6","10","8","5","1") = "9"
    & skf18("2","5","6","10","8","6","1") = "9"
    & skf18("2","5","6","10","8","7","1") = "9"
    & skf18("2","5","6","10","8","8","1") = "9"
    & skf18("2","5","6","10","8","9","1") = "9"
    & skf18("2","5","6","10","8","10","1") = "9"
    & skf18("2","5","6","10","9","1","1") = "9"
    & skf18("2","5","6","10","9","2","1") = "9"
    & skf18("2","5","6","10","9","3","1") = "9"
    & skf18("2","5","6","10","9","4","1") = "9"
    & skf18("2","5","6","10","9","5","1") = "9"
    & skf18("2","5","6","10","9","6","1") = "9"
    & skf18("2","5","6","10","9","7","1") = "9"
    & skf18("2","5","6","10","9","8","1") = "9"
    & skf18("2","5","6","10","9","9","1") = "9"
    & skf18("2","5","6","10","9","10","1") = "9"
    & skf18("2","5","6","10","10","1","1") = "9"
    & skf18("2","5","6","10","10","2","1") = "9"
    & skf18("2","5","6","10","10","3","1") = "9"
    & skf18("2","5","6","10","10","4","1") = "9"
    & skf18("2","5","6","10","10","5","1") = "9"
    & skf18("2","5","6","10","10","6","1") = "9"
    & skf18("2","5","6","10","10","7","1") = "9"
    & skf18("2","5","6","10","10","8","1") = "9"
    & skf18("2","5","6","10","10","9","1") = "9"
    & skf18("2","5","6","10","10","10","1") = "9"
    & skf18("2","5","7","1","1","1","1") = "6"
    & skf18("2","5","7","1","1","2","1") = "6"
    & skf18("2","5","7","1","1","3","1") = "6"
    & skf18("2","5","7","1","1","4","1") = "6"
    & skf18("2","5","7","1","1","5","1") = "6"
    & skf18("2","5","7","1","1","6","1") = "6"
    & skf18("2","5","7","1","1","7","1") = "6"
    & skf18("2","5","7","1","1","8","1") = "7"
    & skf18("2","5","7","1","1","9","1") = "8"
    & skf18("2","5","7","1","1","10","1") = "9"
    & skf18("2","5","7","1","2","1","1") = "6"
    & skf18("2","5","7","1","2","2","1") = "6"
    & skf18("2","5","7","1","2","3","1") = "6"
    & skf18("2","5","7","1","2","4","1") = "6"
    & skf18("2","5","7","1","2","5","1") = "6"
    & skf18("2","5","7","1","2","6","1") = "6"
    & skf18("2","5","7","1","2","7","1") = "6"
    & skf18("2","5","7","1","2","8","1") = "7"
    & skf18("2","5","7","1","2","9","1") = "8"
    & skf18("2","5","7","1","2","10","1") = "9"
    & skf18("2","5","7","1","3","1","1") = "6"
    & skf18("2","5","7","1","3","2","1") = "6"
    & skf18("2","5","7","1","3","3","1") = "6"
    & skf18("2","5","7","1","3","4","1") = "6"
    & skf18("2","5","7","1","3","5","1") = "6"
    & skf18("2","5","7","1","3","6","1") = "6"
    & skf18("2","5","7","1","3","7","1") = "6"
    & skf18("2","5","7","1","3","8","1") = "7"
    & skf18("2","5","7","1","3","9","1") = "8"
    & skf18("2","5","7","1","3","10","1") = "9"
    & skf18("2","5","7","1","4","1","1") = "6"
    & skf18("2","5","7","1","4","2","1") = "6"
    & skf18("2","5","7","1","4","3","1") = "6"
    & skf18("2","5","7","1","4","4","1") = "6"
    & skf18("2","5","7","1","4","5","1") = "6"
    & skf18("2","5","7","1","4","6","1") = "6"
    & skf18("2","5","7","1","4","7","1") = "6"
    & skf18("2","5","7","1","4","8","1") = "7"
    & skf18("2","5","7","1","4","9","1") = "8"
    & skf18("2","5","7","1","4","10","1") = "9"
    & skf18("2","5","7","1","5","1","1") = "6"
    & skf18("2","5","7","1","5","2","1") = "6"
    & skf18("2","5","7","1","5","3","1") = "6"
    & skf18("2","5","7","1","5","4","1") = "6"
    & skf18("2","5","7","1","5","5","1") = "6"
    & skf18("2","5","7","1","5","6","1") = "6"
    & skf18("2","5","7","1","5","7","1") = "6"
    & skf18("2","5","7","1","5","8","1") = "7"
    & skf18("2","5","7","1","5","9","1") = "8"
    & skf18("2","5","7","1","5","10","1") = "9"
    & skf18("2","5","7","1","6","1","1") = "6"
    & skf18("2","5","7","1","6","2","1") = "6"
    & skf18("2","5","7","1","6","3","1") = "6"
    & skf18("2","5","7","1","6","4","1") = "6"
    & skf18("2","5","7","1","6","5","1") = "6"
    & skf18("2","5","7","1","6","6","1") = "6"
    & skf18("2","5","7","1","6","7","1") = "6"
    & skf18("2","5","7","1","6","8","1") = "7"
    & skf18("2","5","7","1","6","9","1") = "8"
    & skf18("2","5","7","1","6","10","1") = "9"
    & skf18("2","5","7","1","7","1","1") = "6"
    & skf18("2","5","7","1","7","2","1") = "6"
    & skf18("2","5","7","1","7","3","1") = "6"
    & skf18("2","5","7","1","7","4","1") = "6"
    & skf18("2","5","7","1","7","5","1") = "6"
    & skf18("2","5","7","1","7","6","1") = "6"
    & skf18("2","5","7","1","7","7","1") = "6"
    & skf18("2","5","7","1","7","8","1") = "7"
    & skf18("2","5","7","1","7","9","1") = "8"
    & skf18("2","5","7","1","7","10","1") = "9"
    & skf18("2","5","7","1","8","1","1") = "7"
    & skf18("2","5","7","1","8","2","1") = "7"
    & skf18("2","5","7","1","8","3","1") = "7"
    & skf18("2","5","7","1","8","4","1") = "7"
    & skf18("2","5","7","1","8","5","1") = "7"
    & skf18("2","5","7","1","8","6","1") = "7"
    & skf18("2","5","7","1","8","7","1") = "7"
    & skf18("2","5","7","1","8","8","1") = "7"
    & skf18("2","5","7","1","8","9","1") = "8"
    & skf18("2","5","7","1","8","10","1") = "9"
    & skf18("2","5","7","1","9","1","1") = "8"
    & skf18("2","5","7","1","9","2","1") = "8"
    & skf18("2","5","7","1","9","3","1") = "8"
    & skf18("2","5","7","1","9","4","1") = "8"
    & skf18("2","5","7","1","9","5","1") = "8"
    & skf18("2","5","7","1","9","6","1") = "8"
    & skf18("2","5","7","1","9","7","1") = "8"
    & skf18("2","5","7","1","9","8","1") = "8"
    & skf18("2","5","7","1","9","9","1") = "8"
    & skf18("2","5","7","1","9","10","1") = "9"
    & skf18("2","5","7","1","10","1","1") = "9"
    & skf18("2","5","7","1","10","2","1") = "9"
    & skf18("2","5","7","1","10","3","1") = "9"
    & skf18("2","5","7","1","10","4","1") = "9"
    & skf18("2","5","7","1","10","5","1") = "9"
    & skf18("2","5","7","1","10","6","1") = "9"
    & skf18("2","5","7","1","10","7","1") = "9"
    & skf18("2","5","7","1","10","8","1") = "9"
    & skf18("2","5","7","1","10","9","1") = "9"
    & skf18("2","5","7","1","10","10","1") = "9"
    & skf18("2","5","7","2","1","1","1") = "6"
    & skf18("2","5","7","2","1","2","1") = "6"
    & skf18("2","5","7","2","1","3","1") = "6"
    & skf18("2","5","7","2","1","4","1") = "6"
    & skf18("2","5","7","2","1","5","1") = "6"
    & skf18("2","5","7","2","1","6","1") = "6"
    & skf18("2","5","7","2","1","7","1") = "6"
    & skf18("2","5","7","2","1","8","1") = "7"
    & skf18("2","5","7","2","1","9","1") = "8"
    & skf18("2","5","7","2","1","10","1") = "9"
    & skf18("2","5","7","2","2","1","1") = "6"
    & skf18("2","5","7","2","2","2","1") = "6"
    & skf18("2","5","7","2","2","3","1") = "6"
    & skf18("2","5","7","2","2","4","1") = "6"
    & skf18("2","5","7","2","2","5","1") = "6"
    & skf18("2","5","7","2","2","6","1") = "6"
    & skf18("2","5","7","2","2","7","1") = "6"
    & skf18("2","5","7","2","2","8","1") = "7"
    & skf18("2","5","7","2","2","9","1") = "8"
    & skf18("2","5","7","2","2","10","1") = "9"
    & skf18("2","5","7","2","3","1","1") = "6"
    & skf18("2","5","7","2","3","2","1") = "6"
    & skf18("2","5","7","2","3","3","1") = "6"
    & skf18("2","5","7","2","3","4","1") = "6"
    & skf18("2","5","7","2","3","5","1") = "6"
    & skf18("2","5","7","2","3","6","1") = "6"
    & skf18("2","5","7","2","3","7","1") = "6"
    & skf18("2","5","7","2","3","8","1") = "7"
    & skf18("2","5","7","2","3","9","1") = "8"
    & skf18("2","5","7","2","3","10","1") = "9"
    & skf18("2","5","7","2","4","1","1") = "6"
    & skf18("2","5","7","2","4","2","1") = "6"
    & skf18("2","5","7","2","4","3","1") = "6"
    & skf18("2","5","7","2","4","4","1") = "6"
    & skf18("2","5","7","2","4","5","1") = "6"
    & skf18("2","5","7","2","4","6","1") = "6"
    & skf18("2","5","7","2","4","7","1") = "6"
    & skf18("2","5","7","2","4","8","1") = "7"
    & skf18("2","5","7","2","4","9","1") = "8"
    & skf18("2","5","7","2","4","10","1") = "9"
    & skf18("2","5","7","2","5","1","1") = "6"
    & skf18("2","5","7","2","5","2","1") = "6"
    & skf18("2","5","7","2","5","3","1") = "6"
    & skf18("2","5","7","2","5","4","1") = "6"
    & skf18("2","5","7","2","5","5","1") = "6"
    & skf18("2","5","7","2","5","6","1") = "6"
    & skf18("2","5","7","2","5","7","1") = "6"
    & skf18("2","5","7","2","5","8","1") = "7"
    & skf18("2","5","7","2","5","9","1") = "8"
    & skf18("2","5","7","2","5","10","1") = "9"
    & skf18("2","5","7","2","6","1","1") = "6"
    & skf18("2","5","7","2","6","2","1") = "6"
    & skf18("2","5","7","2","6","3","1") = "6"
    & skf18("2","5","7","2","6","4","1") = "6"
    & skf18("2","5","7","2","6","5","1") = "6"
    & skf18("2","5","7","2","6","6","1") = "6"
    & skf18("2","5","7","2","6","7","1") = "6"
    & skf18("2","5","7","2","6","8","1") = "7"
    & skf18("2","5","7","2","6","9","1") = "8"
    & skf18("2","5","7","2","6","10","1") = "9"
    & skf18("2","5","7","2","7","1","1") = "6"
    & skf18("2","5","7","2","7","2","1") = "6"
    & skf18("2","5","7","2","7","3","1") = "6"
    & skf18("2","5","7","2","7","4","1") = "6"
    & skf18("2","5","7","2","7","5","1") = "6"
    & skf18("2","5","7","2","7","6","1") = "6"
    & skf18("2","5","7","2","7","7","1") = "6"
    & skf18("2","5","7","2","7","8","1") = "7"
    & skf18("2","5","7","2","7","9","1") = "8"
    & skf18("2","5","7","2","7","10","1") = "9"
    & skf18("2","5","7","2","8","1","1") = "7"
    & skf18("2","5","7","2","8","2","1") = "7"
    & skf18("2","5","7","2","8","3","1") = "7"
    & skf18("2","5","7","2","8","4","1") = "7"
    & skf18("2","5","7","2","8","5","1") = "7"
    & skf18("2","5","7","2","8","6","1") = "7"
    & skf18("2","5","7","2","8","7","1") = "7"
    & skf18("2","5","7","2","8","8","1") = "7"
    & skf18("2","5","7","2","8","9","1") = "8"
    & skf18("2","5","7","2","8","10","1") = "9"
    & skf18("2","5","7","2","9","1","1") = "8"
    & skf18("2","5","7","2","9","2","1") = "8"
    & skf18("2","5","7","2","9","3","1") = "8"
    & skf18("2","5","7","2","9","4","1") = "8"
    & skf18("2","5","7","2","9","5","1") = "8"
    & skf18("2","5","7","2","9","6","1") = "8"
    & skf18("2","5","7","2","9","7","1") = "8"
    & skf18("2","5","7","2","9","8","1") = "8"
    & skf18("2","5","7","2","9","9","1") = "8"
    & skf18("2","5","7","2","9","10","1") = "9"
    & skf18("2","5","7","2","10","1","1") = "9"
    & skf18("2","5","7","2","10","2","1") = "9"
    & skf18("2","5","7","2","10","3","1") = "9"
    & skf18("2","5","7","2","10","4","1") = "9"
    & skf18("2","5","7","2","10","5","1") = "9"
    & skf18("2","5","7","2","10","6","1") = "9"
    & skf18("2","5","7","2","10","7","1") = "9"
    & skf18("2","5","7","2","10","8","1") = "9"
    & skf18("2","5","7","2","10","9","1") = "9"
    & skf18("2","5","7","2","10","10","1") = "9"
    & skf18("2","5","7","3","1","1","1") = "6"
    & skf18("2","5","7","3","1","2","1") = "6"
    & skf18("2","5","7","3","1","3","1") = "6"
    & skf18("2","5","7","3","1","4","1") = "6"
    & skf18("2","5","7","3","1","5","1") = "6"
    & skf18("2","5","7","3","1","6","1") = "6"
    & skf18("2","5","7","3","1","7","1") = "6"
    & skf18("2","5","7","3","1","8","1") = "7"
    & skf18("2","5","7","3","1","9","1") = "8"
    & skf18("2","5","7","3","1","10","1") = "9"
    & skf18("2","5","7","3","2","1","1") = "6"
    & skf18("2","5","7","3","2","2","1") = "6"
    & skf18("2","5","7","3","2","3","1") = "6"
    & skf18("2","5","7","3","2","4","1") = "6"
    & skf18("2","5","7","3","2","5","1") = "6"
    & skf18("2","5","7","3","2","6","1") = "6"
    & skf18("2","5","7","3","2","7","1") = "6"
    & skf18("2","5","7","3","2","8","1") = "7"
    & skf18("2","5","7","3","2","9","1") = "8"
    & skf18("2","5","7","3","2","10","1") = "9"
    & skf18("2","5","7","3","3","1","1") = "6"
    & skf18("2","5","7","3","3","2","1") = "6"
    & skf18("2","5","7","3","3","3","1") = "6"
    & skf18("2","5","7","3","3","4","1") = "6"
    & skf18("2","5","7","3","3","5","1") = "6"
    & skf18("2","5","7","3","3","6","1") = "6"
    & skf18("2","5","7","3","3","7","1") = "6"
    & skf18("2","5","7","3","3","8","1") = "7"
    & skf18("2","5","7","3","3","9","1") = "8"
    & skf18("2","5","7","3","3","10","1") = "9"
    & skf18("2","5","7","3","4","1","1") = "6"
    & skf18("2","5","7","3","4","2","1") = "6"
    & skf18("2","5","7","3","4","3","1") = "6"
    & skf18("2","5","7","3","4","4","1") = "6"
    & skf18("2","5","7","3","4","5","1") = "6"
    & skf18("2","5","7","3","4","6","1") = "6"
    & skf18("2","5","7","3","4","7","1") = "6"
    & skf18("2","5","7","3","4","8","1") = "7"
    & skf18("2","5","7","3","4","9","1") = "8"
    & skf18("2","5","7","3","4","10","1") = "9"
    & skf18("2","5","7","3","5","1","1") = "6"
    & skf18("2","5","7","3","5","2","1") = "6"
    & skf18("2","5","7","3","5","3","1") = "6"
    & skf18("2","5","7","3","5","4","1") = "6"
    & skf18("2","5","7","3","5","5","1") = "6"
    & skf18("2","5","7","3","5","6","1") = "6"
    & skf18("2","5","7","3","5","7","1") = "6"
    & skf18("2","5","7","3","5","8","1") = "7"
    & skf18("2","5","7","3","5","9","1") = "8"
    & skf18("2","5","7","3","5","10","1") = "9"
    & skf18("2","5","7","3","6","1","1") = "6"
    & skf18("2","5","7","3","6","2","1") = "6"
    & skf18("2","5","7","3","6","3","1") = "6"
    & skf18("2","5","7","3","6","4","1") = "6"
    & skf18("2","5","7","3","6","5","1") = "6"
    & skf18("2","5","7","3","6","6","1") = "6"
    & skf18("2","5","7","3","6","7","1") = "6"
    & skf18("2","5","7","3","6","8","1") = "7"
    & skf18("2","5","7","3","6","9","1") = "8"
    & skf18("2","5","7","3","6","10","1") = "9"
    & skf18("2","5","7","3","7","1","1") = "6"
    & skf18("2","5","7","3","7","2","1") = "6"
    & skf18("2","5","7","3","7","3","1") = "6"
    & skf18("2","5","7","3","7","4","1") = "6"
    & skf18("2","5","7","3","7","5","1") = "6"
    & skf18("2","5","7","3","7","6","1") = "6"
    & skf18("2","5","7","3","7","7","1") = "6"
    & skf18("2","5","7","3","7","8","1") = "7"
    & skf18("2","5","7","3","7","9","1") = "8"
    & skf18("2","5","7","3","7","10","1") = "9"
    & skf18("2","5","7","3","8","1","1") = "7"
    & skf18("2","5","7","3","8","2","1") = "7"
    & skf18("2","5","7","3","8","3","1") = "7"
    & skf18("2","5","7","3","8","4","1") = "7"
    & skf18("2","5","7","3","8","5","1") = "7"
    & skf18("2","5","7","3","8","6","1") = "7"
    & skf18("2","5","7","3","8","7","1") = "7"
    & skf18("2","5","7","3","8","8","1") = "7"
    & skf18("2","5","7","3","8","9","1") = "8"
    & skf18("2","5","7","3","8","10","1") = "9"
    & skf18("2","5","7","3","9","1","1") = "8"
    & skf18("2","5","7","3","9","2","1") = "8"
    & skf18("2","5","7","3","9","3","1") = "8"
    & skf18("2","5","7","3","9","4","1") = "8"
    & skf18("2","5","7","3","9","5","1") = "8"
    & skf18("2","5","7","3","9","6","1") = "8"
    & skf18("2","5","7","3","9","7","1") = "8"
    & skf18("2","5","7","3","9","8","1") = "8"
    & skf18("2","5","7","3","9","9","1") = "8"
    & skf18("2","5","7","3","9","10","1") = "9"
    & skf18("2","5","7","3","10","1","1") = "9"
    & skf18("2","5","7","3","10","2","1") = "9"
    & skf18("2","5","7","3","10","3","1") = "9"
    & skf18("2","5","7","3","10","4","1") = "9"
    & skf18("2","5","7","3","10","5","1") = "9"
    & skf18("2","5","7","3","10","6","1") = "9"
    & skf18("2","5","7","3","10","7","1") = "9"
    & skf18("2","5","7","3","10","8","1") = "9"
    & skf18("2","5","7","3","10","9","1") = "9"
    & skf18("2","5","7","3","10","10","1") = "9"
    & skf18("2","5","7","4","1","1","1") = "6"
    & skf18("2","5","7","4","1","2","1") = "6"
    & skf18("2","5","7","4","1","3","1") = "6"
    & skf18("2","5","7","4","1","4","1") = "6"
    & skf18("2","5","7","4","1","5","1") = "6"
    & skf18("2","5","7","4","1","6","1") = "6"
    & skf18("2","5","7","4","1","7","1") = "6"
    & skf18("2","5","7","4","1","8","1") = "7"
    & skf18("2","5","7","4","1","9","1") = "8"
    & skf18("2","5","7","4","1","10","1") = "9"
    & skf18("2","5","7","4","2","1","1") = "6"
    & skf18("2","5","7","4","2","2","1") = "6"
    & skf18("2","5","7","4","2","3","1") = "6"
    & skf18("2","5","7","4","2","4","1") = "6"
    & skf18("2","5","7","4","2","5","1") = "6"
    & skf18("2","5","7","4","2","6","1") = "6"
    & skf18("2","5","7","4","2","7","1") = "6"
    & skf18("2","5","7","4","2","8","1") = "7"
    & skf18("2","5","7","4","2","9","1") = "8"
    & skf18("2","5","7","4","2","10","1") = "9"
    & skf18("2","5","7","4","3","1","1") = "6"
    & skf18("2","5","7","4","3","2","1") = "6"
    & skf18("2","5","7","4","3","3","1") = "6"
    & skf18("2","5","7","4","3","4","1") = "6"
    & skf18("2","5","7","4","3","5","1") = "6"
    & skf18("2","5","7","4","3","6","1") = "6"
    & skf18("2","5","7","4","3","7","1") = "6"
    & skf18("2","5","7","4","3","8","1") = "7"
    & skf18("2","5","7","4","3","9","1") = "8"
    & skf18("2","5","7","4","3","10","1") = "9"
    & skf18("2","5","7","4","4","1","1") = "6"
    & skf18("2","5","7","4","4","2","1") = "6"
    & skf18("2","5","7","4","4","3","1") = "6"
    & skf18("2","5","7","4","4","4","1") = "6"
    & skf18("2","5","7","4","4","5","1") = "6"
    & skf18("2","5","7","4","4","6","1") = "6"
    & skf18("2","5","7","4","4","7","1") = "6"
    & skf18("2","5","7","4","4","8","1") = "7"
    & skf18("2","5","7","4","4","9","1") = "8"
    & skf18("2","5","7","4","4","10","1") = "9"
    & skf18("2","5","7","4","5","1","1") = "6"
    & skf18("2","5","7","4","5","2","1") = "6"
    & skf18("2","5","7","4","5","3","1") = "6"
    & skf18("2","5","7","4","5","4","1") = "6"
    & skf18("2","5","7","4","5","5","1") = "6"
    & skf18("2","5","7","4","5","6","1") = "6"
    & skf18("2","5","7","4","5","7","1") = "6"
    & skf18("2","5","7","4","5","8","1") = "7"
    & skf18("2","5","7","4","5","9","1") = "8"
    & skf18("2","5","7","4","5","10","1") = "9"
    & skf18("2","5","7","4","6","1","1") = "6"
    & skf18("2","5","7","4","6","2","1") = "6"
    & skf18("2","5","7","4","6","3","1") = "6"
    & skf18("2","5","7","4","6","4","1") = "6"
    & skf18("2","5","7","4","6","5","1") = "6"
    & skf18("2","5","7","4","6","6","1") = "6"
    & skf18("2","5","7","4","6","7","1") = "6"
    & skf18("2","5","7","4","6","8","1") = "7"
    & skf18("2","5","7","4","6","9","1") = "8"
    & skf18("2","5","7","4","6","10","1") = "9"
    & skf18("2","5","7","4","7","1","1") = "6"
    & skf18("2","5","7","4","7","2","1") = "6"
    & skf18("2","5","7","4","7","3","1") = "6"
    & skf18("2","5","7","4","7","4","1") = "6"
    & skf18("2","5","7","4","7","5","1") = "6"
    & skf18("2","5","7","4","7","6","1") = "6"
    & skf18("2","5","7","4","7","7","1") = "6"
    & skf18("2","5","7","4","7","8","1") = "7"
    & skf18("2","5","7","4","7","9","1") = "8"
    & skf18("2","5","7","4","7","10","1") = "9"
    & skf18("2","5","7","4","8","1","1") = "7"
    & skf18("2","5","7","4","8","2","1") = "7"
    & skf18("2","5","7","4","8","3","1") = "7"
    & skf18("2","5","7","4","8","4","1") = "7"
    & skf18("2","5","7","4","8","5","1") = "7"
    & skf18("2","5","7","4","8","6","1") = "7"
    & skf18("2","5","7","4","8","7","1") = "7"
    & skf18("2","5","7","4","8","8","1") = "7"
    & skf18("2","5","7","4","8","9","1") = "8"
    & skf18("2","5","7","4","8","10","1") = "9"
    & skf18("2","5","7","4","9","1","1") = "8"
    & skf18("2","5","7","4","9","2","1") = "8"
    & skf18("2","5","7","4","9","3","1") = "8"
    & skf18("2","5","7","4","9","4","1") = "8"
    & skf18("2","5","7","4","9","5","1") = "8"
    & skf18("2","5","7","4","9","6","1") = "8"
    & skf18("2","5","7","4","9","7","1") = "8"
    & skf18("2","5","7","4","9","8","1") = "8"
    & skf18("2","5","7","4","9","9","1") = "8"
    & skf18("2","5","7","4","9","10","1") = "9"
    & skf18("2","5","7","4","10","1","1") = "9"
    & skf18("2","5","7","4","10","2","1") = "9"
    & skf18("2","5","7","4","10","3","1") = "9"
    & skf18("2","5","7","4","10","4","1") = "9"
    & skf18("2","5","7","4","10","5","1") = "9"
    & skf18("2","5","7","4","10","6","1") = "9"
    & skf18("2","5","7","4","10","7","1") = "9"
    & skf18("2","5","7","4","10","8","1") = "9"
    & skf18("2","5","7","4","10","9","1") = "9"
    & skf18("2","5","7","4","10","10","1") = "9"
    & skf18("2","5","7","5","1","1","1") = "6"
    & skf18("2","5","7","5","1","2","1") = "6"
    & skf18("2","5","7","5","1","3","1") = "6"
    & skf18("2","5","7","5","1","4","1") = "6"
    & skf18("2","5","7","5","1","5","1") = "6"
    & skf18("2","5","7","5","1","6","1") = "6"
    & skf18("2","5","7","5","1","7","1") = "6"
    & skf18("2","5","7","5","1","8","1") = "7"
    & skf18("2","5","7","5","1","9","1") = "8"
    & skf18("2","5","7","5","1","10","1") = "9"
    & skf18("2","5","7","5","2","1","1") = "6"
    & skf18("2","5","7","5","2","2","1") = "6"
    & skf18("2","5","7","5","2","3","1") = "6"
    & skf18("2","5","7","5","2","4","1") = "6"
    & skf18("2","5","7","5","2","5","1") = "6"
    & skf18("2","5","7","5","2","6","1") = "6"
    & skf18("2","5","7","5","2","7","1") = "6"
    & skf18("2","5","7","5","2","8","1") = "7"
    & skf18("2","5","7","5","2","9","1") = "8"
    & skf18("2","5","7","5","2","10","1") = "9"
    & skf18("2","5","7","5","3","1","1") = "6"
    & skf18("2","5","7","5","3","2","1") = "6"
    & skf18("2","5","7","5","3","3","1") = "6"
    & skf18("2","5","7","5","3","4","1") = "6"
    & skf18("2","5","7","5","3","5","1") = "6"
    & skf18("2","5","7","5","3","6","1") = "6"
    & skf18("2","5","7","5","3","7","1") = "6"
    & skf18("2","5","7","5","3","8","1") = "7"
    & skf18("2","5","7","5","3","9","1") = "8"
    & skf18("2","5","7","5","3","10","1") = "9"
    & skf18("2","5","7","5","4","1","1") = "6"
    & skf18("2","5","7","5","4","2","1") = "6"
    & skf18("2","5","7","5","4","3","1") = "6"
    & skf18("2","5","7","5","4","4","1") = "6"
    & skf18("2","5","7","5","4","5","1") = "6"
    & skf18("2","5","7","5","4","6","1") = "6"
    & skf18("2","5","7","5","4","7","1") = "6"
    & skf18("2","5","7","5","4","8","1") = "7"
    & skf18("2","5","7","5","4","9","1") = "8"
    & skf18("2","5","7","5","4","10","1") = "9"
    & skf18("2","5","7","5","5","1","1") = "6"
    & skf18("2","5","7","5","5","2","1") = "6"
    & skf18("2","5","7","5","5","3","1") = "6"
    & skf18("2","5","7","5","5","4","1") = "6"
    & skf18("2","5","7","5","5","5","1") = "6"
    & skf18("2","5","7","5","5","6","1") = "6"
    & skf18("2","5","7","5","5","7","1") = "6"
    & skf18("2","5","7","5","5","8","1") = "7"
    & skf18("2","5","7","5","5","9","1") = "8"
    & skf18("2","5","7","5","5","10","1") = "9"
    & skf18("2","5","7","5","6","1","1") = "6"
    & skf18("2","5","7","5","6","2","1") = "6"
    & skf18("2","5","7","5","6","3","1") = "6"
    & skf18("2","5","7","5","6","4","1") = "6"
    & skf18("2","5","7","5","6","5","1") = "6"
    & skf18("2","5","7","5","6","6","1") = "6"
    & skf18("2","5","7","5","6","7","1") = "6"
    & skf18("2","5","7","5","6","8","1") = "7"
    & skf18("2","5","7","5","6","9","1") = "8"
    & skf18("2","5","7","5","6","10","1") = "9"
    & skf18("2","5","7","5","7","1","1") = "6"
    & skf18("2","5","7","5","7","2","1") = "6"
    & skf18("2","5","7","5","7","3","1") = "6"
    & skf18("2","5","7","5","7","4","1") = "6"
    & skf18("2","5","7","5","7","5","1") = "6"
    & skf18("2","5","7","5","7","6","1") = "6"
    & skf18("2","5","7","5","7","7","1") = "6"
    & skf18("2","5","7","5","7","8","1") = "7"
    & skf18("2","5","7","5","7","9","1") = "8"
    & skf18("2","5","7","5","7","10","1") = "9"
    & skf18("2","5","7","5","8","1","1") = "7"
    & skf18("2","5","7","5","8","2","1") = "7"
    & skf18("2","5","7","5","8","3","1") = "7"
    & skf18("2","5","7","5","8","4","1") = "7"
    & skf18("2","5","7","5","8","5","1") = "7"
    & skf18("2","5","7","5","8","6","1") = "7"
    & skf18("2","5","7","5","8","7","1") = "7"
    & skf18("2","5","7","5","8","8","1") = "7"
    & skf18("2","5","7","5","8","9","1") = "8"
    & skf18("2","5","7","5","8","10","1") = "9"
    & skf18("2","5","7","5","9","1","1") = "8"
    & skf18("2","5","7","5","9","2","1") = "8"
    & skf18("2","5","7","5","9","3","1") = "8"
    & skf18("2","5","7","5","9","4","1") = "8"
    & skf18("2","5","7","5","9","5","1") = "8"
    & skf18("2","5","7","5","9","6","1") = "8"
    & skf18("2","5","7","5","9","7","1") = "8"
    & skf18("2","5","7","5","9","8","1") = "8"
    & skf18("2","5","7","5","9","9","1") = "8"
    & skf18("2","5","7","5","9","10","1") = "9"
    & skf18("2","5","7","5","10","1","1") = "9"
    & skf18("2","5","7","5","10","2","1") = "9"
    & skf18("2","5","7","5","10","3","1") = "9"
    & skf18("2","5","7","5","10","4","1") = "9"
    & skf18("2","5","7","5","10","5","1") = "9"
    & skf18("2","5","7","5","10","6","1") = "9"
    & skf18("2","5","7","5","10","7","1") = "9"
    & skf18("2","5","7","5","10","8","1") = "9"
    & skf18("2","5","7","5","10","9","1") = "9"
    & skf18("2","5","7","5","10","10","1") = "9"
    & skf18("2","5","7","6","1","1","1") = "6"
    & skf18("2","5","7","6","1","2","1") = "6"
    & skf18("2","5","7","6","1","3","1") = "6"
    & skf18("2","5","7","6","1","4","1") = "6"
    & skf18("2","5","7","6","1","5","1") = "6"
    & skf18("2","5","7","6","1","6","1") = "6"
    & skf18("2","5","7","6","1","7","1") = "6"
    & skf18("2","5","7","6","1","8","1") = "7"
    & skf18("2","5","7","6","1","9","1") = "8"
    & skf18("2","5","7","6","1","10","1") = "9"
    & skf18("2","5","7","6","2","1","1") = "6"
    & skf18("2","5","7","6","2","2","1") = "6"
    & skf18("2","5","7","6","2","3","1") = "6"
    & skf18("2","5","7","6","2","4","1") = "6"
    & skf18("2","5","7","6","2","5","1") = "6"
    & skf18("2","5","7","6","2","6","1") = "6"
    & skf18("2","5","7","6","2","7","1") = "6"
    & skf18("2","5","7","6","2","8","1") = "7"
    & skf18("2","5","7","6","2","9","1") = "8"
    & skf18("2","5","7","6","2","10","1") = "9"
    & skf18("2","5","7","6","3","1","1") = "6"
    & skf18("2","5","7","6","3","2","1") = "6"
    & skf18("2","5","7","6","3","3","1") = "6"
    & skf18("2","5","7","6","3","4","1") = "6"
    & skf18("2","5","7","6","3","5","1") = "6"
    & skf18("2","5","7","6","3","6","1") = "6"
    & skf18("2","5","7","6","3","7","1") = "6"
    & skf18("2","5","7","6","3","8","1") = "7"
    & skf18("2","5","7","6","3","9","1") = "8"
    & skf18("2","5","7","6","3","10","1") = "9"
    & skf18("2","5","7","6","4","1","1") = "6"
    & skf18("2","5","7","6","4","2","1") = "6"
    & skf18("2","5","7","6","4","3","1") = "6"
    & skf18("2","5","7","6","4","4","1") = "6"
    & skf18("2","5","7","6","4","5","1") = "6"
    & skf18("2","5","7","6","4","6","1") = "6"
    & skf18("2","5","7","6","4","7","1") = "6"
    & skf18("2","5","7","6","4","8","1") = "7"
    & skf18("2","5","7","6","4","9","1") = "8"
    & skf18("2","5","7","6","4","10","1") = "9"
    & skf18("2","5","7","6","5","1","1") = "6"
    & skf18("2","5","7","6","5","2","1") = "6"
    & skf18("2","5","7","6","5","3","1") = "6"
    & skf18("2","5","7","6","5","4","1") = "6"
    & skf18("2","5","7","6","5","5","1") = "6"
    & skf18("2","5","7","6","5","6","1") = "6"
    & skf18("2","5","7","6","5","7","1") = "6"
    & skf18("2","5","7","6","5","8","1") = "7"
    & skf18("2","5","7","6","5","9","1") = "8"
    & skf18("2","5","7","6","5","10","1") = "9"
    & skf18("2","5","7","6","6","1","1") = "6"
    & skf18("2","5","7","6","6","2","1") = "6"
    & skf18("2","5","7","6","6","3","1") = "6"
    & skf18("2","5","7","6","6","4","1") = "6"
    & skf18("2","5","7","6","6","5","1") = "6"
    & skf18("2","5","7","6","6","6","1") = "6"
    & skf18("2","5","7","6","6","7","1") = "6"
    & skf18("2","5","7","6","6","8","1") = "7"
    & skf18("2","5","7","6","6","9","1") = "8"
    & skf18("2","5","7","6","6","10","1") = "9"
    & skf18("2","5","7","6","7","1","1") = "6"
    & skf18("2","5","7","6","7","2","1") = "6"
    & skf18("2","5","7","6","7","3","1") = "6"
    & skf18("2","5","7","6","7","4","1") = "6"
    & skf18("2","5","7","6","7","5","1") = "6"
    & skf18("2","5","7","6","7","6","1") = "6"
    & skf18("2","5","7","6","7","7","1") = "6"
    & skf18("2","5","7","6","7","8","1") = "7"
    & skf18("2","5","7","6","7","9","1") = "8"
    & skf18("2","5","7","6","7","10","1") = "9"
    & skf18("2","5","7","6","8","1","1") = "7"
    & skf18("2","5","7","6","8","2","1") = "7"
    & skf18("2","5","7","6","8","3","1") = "7"
    & skf18("2","5","7","6","8","4","1") = "7"
    & skf18("2","5","7","6","8","5","1") = "7"
    & skf18("2","5","7","6","8","6","1") = "7"
    & skf18("2","5","7","6","8","7","1") = "7"
    & skf18("2","5","7","6","8","8","1") = "7"
    & skf18("2","5","7","6","8","9","1") = "8"
    & skf18("2","5","7","6","8","10","1") = "9"
    & skf18("2","5","7","6","9","1","1") = "8"
    & skf18("2","5","7","6","9","2","1") = "8"
    & skf18("2","5","7","6","9","3","1") = "8"
    & skf18("2","5","7","6","9","4","1") = "8"
    & skf18("2","5","7","6","9","5","1") = "8"
    & skf18("2","5","7","6","9","6","1") = "8"
    & skf18("2","5","7","6","9","7","1") = "8"
    & skf18("2","5","7","6","9","8","1") = "8"
    & skf18("2","5","7","6","9","9","1") = "8"
    & skf18("2","5","7","6","9","10","1") = "9"
    & skf18("2","5","7","6","10","1","1") = "9"
    & skf18("2","5","7","6","10","2","1") = "9"
    & skf18("2","5","7","6","10","3","1") = "9"
    & skf18("2","5","7","6","10","4","1") = "9"
    & skf18("2","5","7","6","10","5","1") = "9"
    & skf18("2","5","7","6","10","6","1") = "9"
    & skf18("2","5","7","6","10","7","1") = "9"
    & skf18("2","5","7","6","10","8","1") = "9"
    & skf18("2","5","7","6","10","9","1") = "9"
    & skf18("2","5","7","6","10","10","1") = "9"
    & skf18("2","5","7","7","1","1","1") = "6"
    & skf18("2","5","7","7","1","2","1") = "6"
    & skf18("2","5","7","7","1","3","1") = "6"
    & skf18("2","5","7","7","1","4","1") = "6"
    & skf18("2","5","7","7","1","5","1") = "6"
    & skf18("2","5","7","7","1","6","1") = "6"
    & skf18("2","5","7","7","1","7","1") = "6"
    & skf18("2","5","7","7","1","8","1") = "7"
    & skf18("2","5","7","7","1","9","1") = "8"
    & skf18("2","5","7","7","1","10","1") = "9"
    & skf18("2","5","7","7","2","1","1") = "6"
    & skf18("2","5","7","7","2","2","1") = "6"
    & skf18("2","5","7","7","2","3","1") = "6"
    & skf18("2","5","7","7","2","4","1") = "6"
    & skf18("2","5","7","7","2","5","1") = "6"
    & skf18("2","5","7","7","2","6","1") = "6"
    & skf18("2","5","7","7","2","7","1") = "6"
    & skf18("2","5","7","7","2","8","1") = "7"
    & skf18("2","5","7","7","2","9","1") = "8"
    & skf18("2","5","7","7","2","10","1") = "9"
    & skf18("2","5","7","7","3","1","1") = "6"
    & skf18("2","5","7","7","3","2","1") = "6"
    & skf18("2","5","7","7","3","3","1") = "6"
    & skf18("2","5","7","7","3","4","1") = "6"
    & skf18("2","5","7","7","3","5","1") = "6"
    & skf18("2","5","7","7","3","6","1") = "6"
    & skf18("2","5","7","7","3","7","1") = "6"
    & skf18("2","5","7","7","3","8","1") = "7"
    & skf18("2","5","7","7","3","9","1") = "8"
    & skf18("2","5","7","7","3","10","1") = "9"
    & skf18("2","5","7","7","4","1","1") = "6"
    & skf18("2","5","7","7","4","2","1") = "6"
    & skf18("2","5","7","7","4","3","1") = "6"
    & skf18("2","5","7","7","4","4","1") = "6"
    & skf18("2","5","7","7","4","5","1") = "6"
    & skf18("2","5","7","7","4","6","1") = "6"
    & skf18("2","5","7","7","4","7","1") = "6"
    & skf18("2","5","7","7","4","8","1") = "7"
    & skf18("2","5","7","7","4","9","1") = "8"
    & skf18("2","5","7","7","4","10","1") = "9"
    & skf18("2","5","7","7","5","1","1") = "6"
    & skf18("2","5","7","7","5","2","1") = "6"
    & skf18("2","5","7","7","5","3","1") = "6"
    & skf18("2","5","7","7","5","4","1") = "6"
    & skf18("2","5","7","7","5","5","1") = "6"
    & skf18("2","5","7","7","5","6","1") = "6"
    & skf18("2","5","7","7","5","7","1") = "6"
    & skf18("2","5","7","7","5","8","1") = "7"
    & skf18("2","5","7","7","5","9","1") = "8"
    & skf18("2","5","7","7","5","10","1") = "9"
    & skf18("2","5","7","7","6","1","1") = "6"
    & skf18("2","5","7","7","6","2","1") = "6"
    & skf18("2","5","7","7","6","3","1") = "6"
    & skf18("2","5","7","7","6","4","1") = "6"
    & skf18("2","5","7","7","6","5","1") = "6"
    & skf18("2","5","7","7","6","6","1") = "6"
    & skf18("2","5","7","7","6","7","1") = "6"
    & skf18("2","5","7","7","6","8","1") = "7"
    & skf18("2","5","7","7","6","9","1") = "8"
    & skf18("2","5","7","7","6","10","1") = "9"
    & skf18("2","5","7","7","7","1","1") = "6"
    & skf18("2","5","7","7","7","2","1") = "6"
    & skf18("2","5","7","7","7","3","1") = "6"
    & skf18("2","5","7","7","7","4","1") = "6"
    & skf18("2","5","7","7","7","5","1") = "6"
    & skf18("2","5","7","7","7","6","1") = "6"
    & skf18("2","5","7","7","7","7","1") = "6"
    & skf18("2","5","7","7","7","8","1") = "7"
    & skf18("2","5","7","7","7","9","1") = "8"
    & skf18("2","5","7","7","7","10","1") = "9"
    & skf18("2","5","7","7","8","1","1") = "7"
    & skf18("2","5","7","7","8","2","1") = "7"
    & skf18("2","5","7","7","8","3","1") = "7"
    & skf18("2","5","7","7","8","4","1") = "7"
    & skf18("2","5","7","7","8","5","1") = "7"
    & skf18("2","5","7","7","8","6","1") = "7"
    & skf18("2","5","7","7","8","7","1") = "7"
    & skf18("2","5","7","7","8","8","1") = "7"
    & skf18("2","5","7","7","8","9","1") = "8"
    & skf18("2","5","7","7","8","10","1") = "9"
    & skf18("2","5","7","7","9","1","1") = "8"
    & skf18("2","5","7","7","9","2","1") = "8"
    & skf18("2","5","7","7","9","3","1") = "8"
    & skf18("2","5","7","7","9","4","1") = "8"
    & skf18("2","5","7","7","9","5","1") = "8"
    & skf18("2","5","7","7","9","6","1") = "8"
    & skf18("2","5","7","7","9","7","1") = "8"
    & skf18("2","5","7","7","9","8","1") = "8"
    & skf18("2","5","7","7","9","9","1") = "8"
    & skf18("2","5","7","7","9","10","1") = "9"
    & skf18("2","5","7","7","10","1","1") = "9"
    & skf18("2","5","7","7","10","2","1") = "9"
    & skf18("2","5","7","7","10","3","1") = "9"
    & skf18("2","5","7","7","10","4","1") = "9"
    & skf18("2","5","7","7","10","5","1") = "9"
    & skf18("2","5","7","7","10","6","1") = "9"
    & skf18("2","5","7","7","10","7","1") = "9"
    & skf18("2","5","7","7","10","8","1") = "9"
    & skf18("2","5","7","7","10","9","1") = "9"
    & skf18("2","5","7","7","10","10","1") = "9"
    & skf18("2","5","7","8","1","1","1") = "7"
    & skf18("2","5","7","8","1","2","1") = "7"
    & skf18("2","5","7","8","1","3","1") = "7"
    & skf18("2","5","7","8","1","4","1") = "7"
    & skf18("2","5","7","8","1","5","1") = "7"
    & skf18("2","5","7","8","1","6","1") = "7"
    & skf18("2","5","7","8","1","7","1") = "7"
    & skf18("2","5","7","8","1","8","1") = "7"
    & skf18("2","5","7","8","1","9","1") = "8"
    & skf18("2","5","7","8","1","10","1") = "9"
    & skf18("2","5","7","8","2","1","1") = "7"
    & skf18("2","5","7","8","2","2","1") = "7"
    & skf18("2","5","7","8","2","3","1") = "7"
    & skf18("2","5","7","8","2","4","1") = "7"
    & skf18("2","5","7","8","2","5","1") = "7"
    & skf18("2","5","7","8","2","6","1") = "7"
    & skf18("2","5","7","8","2","7","1") = "7"
    & skf18("2","5","7","8","2","8","1") = "7"
    & skf18("2","5","7","8","2","9","1") = "8"
    & skf18("2","5","7","8","2","10","1") = "9"
    & skf18("2","5","7","8","3","1","1") = "7"
    & skf18("2","5","7","8","3","2","1") = "7"
    & skf18("2","5","7","8","3","3","1") = "7"
    & skf18("2","5","7","8","3","4","1") = "7"
    & skf18("2","5","7","8","3","5","1") = "7"
    & skf18("2","5","7","8","3","6","1") = "7"
    & skf18("2","5","7","8","3","7","1") = "7"
    & skf18("2","5","7","8","3","8","1") = "7"
    & skf18("2","5","7","8","3","9","1") = "8"
    & skf18("2","5","7","8","3","10","1") = "9"
    & skf18("2","5","7","8","4","1","1") = "7"
    & skf18("2","5","7","8","4","2","1") = "7"
    & skf18("2","5","7","8","4","3","1") = "7"
    & skf18("2","5","7","8","4","4","1") = "7"
    & skf18("2","5","7","8","4","5","1") = "7"
    & skf18("2","5","7","8","4","6","1") = "7"
    & skf18("2","5","7","8","4","7","1") = "7"
    & skf18("2","5","7","8","4","8","1") = "7"
    & skf18("2","5","7","8","4","9","1") = "8"
    & skf18("2","5","7","8","4","10","1") = "9"
    & skf18("2","5","7","8","5","1","1") = "7"
    & skf18("2","5","7","8","5","2","1") = "7"
    & skf18("2","5","7","8","5","3","1") = "7"
    & skf18("2","5","7","8","5","4","1") = "7"
    & skf18("2","5","7","8","5","5","1") = "7"
    & skf18("2","5","7","8","5","6","1") = "7"
    & skf18("2","5","7","8","5","7","1") = "7"
    & skf18("2","5","7","8","5","8","1") = "7"
    & skf18("2","5","7","8","5","9","1") = "8"
    & skf18("2","5","7","8","5","10","1") = "9"
    & skf18("2","5","7","8","6","1","1") = "7"
    & skf18("2","5","7","8","6","2","1") = "7"
    & skf18("2","5","7","8","6","3","1") = "7"
    & skf18("2","5","7","8","6","4","1") = "7"
    & skf18("2","5","7","8","6","5","1") = "7"
    & skf18("2","5","7","8","6","6","1") = "7"
    & skf18("2","5","7","8","6","7","1") = "7"
    & skf18("2","5","7","8","6","8","1") = "7"
    & skf18("2","5","7","8","6","9","1") = "8"
    & skf18("2","5","7","8","6","10","1") = "9"
    & skf18("2","5","7","8","7","1","1") = "7"
    & skf18("2","5","7","8","7","2","1") = "7"
    & skf18("2","5","7","8","7","3","1") = "7"
    & skf18("2","5","7","8","7","4","1") = "7"
    & skf18("2","5","7","8","7","5","1") = "7"
    & skf18("2","5","7","8","7","6","1") = "7"
    & skf18("2","5","7","8","7","7","1") = "7"
    & skf18("2","5","7","8","7","8","1") = "7"
    & skf18("2","5","7","8","7","9","1") = "8"
    & skf18("2","5","7","8","7","10","1") = "9"
    & skf18("2","5","7","8","8","1","1") = "7"
    & skf18("2","5","7","8","8","2","1") = "7"
    & skf18("2","5","7","8","8","3","1") = "7"
    & skf18("2","5","7","8","8","4","1") = "7"
    & skf18("2","5","7","8","8","5","1") = "7"
    & skf18("2","5","7","8","8","6","1") = "7"
    & skf18("2","5","7","8","8","7","1") = "7"
    & skf18("2","5","7","8","8","8","1") = "7"
    & skf18("2","5","7","8","8","9","1") = "8"
    & skf18("2","5","7","8","8","10","1") = "9"
    & skf18("2","5","7","8","9","1","1") = "8"
    & skf18("2","5","7","8","9","2","1") = "8"
    & skf18("2","5","7","8","9","3","1") = "8"
    & skf18("2","5","7","8","9","4","1") = "8"
    & skf18("2","5","7","8","9","5","1") = "8"
    & skf18("2","5","7","8","9","6","1") = "8"
    & skf18("2","5","7","8","9","7","1") = "8"
    & skf18("2","5","7","8","9","8","1") = "8"
    & skf18("2","5","7","8","9","9","1") = "8"
    & skf18("2","5","7","8","9","10","1") = "9"
    & skf18("2","5","7","8","10","1","1") = "9"
    & skf18("2","5","7","8","10","2","1") = "9"
    & skf18("2","5","7","8","10","3","1") = "9"
    & skf18("2","5","7","8","10","4","1") = "9"
    & skf18("2","5","7","8","10","5","1") = "9"
    & skf18("2","5","7","8","10","6","1") = "9"
    & skf18("2","5","7","8","10","7","1") = "9"
    & skf18("2","5","7","8","10","8","1") = "9"
    & skf18("2","5","7","8","10","9","1") = "9"
    & skf18("2","5","7","8","10","10","1") = "9"
    & skf18("2","5","7","9","1","1","1") = "8"
    & skf18("2","5","7","9","1","2","1") = "8"
    & skf18("2","5","7","9","1","3","1") = "8"
    & skf18("2","5","7","9","1","4","1") = "8"
    & skf18("2","5","7","9","1","5","1") = "8"
    & skf18("2","5","7","9","1","6","1") = "8"
    & skf18("2","5","7","9","1","7","1") = "8"
    & skf18("2","5","7","9","1","8","1") = "8"
    & skf18("2","5","7","9","1","9","1") = "8"
    & skf18("2","5","7","9","1","10","1") = "9"
    & skf18("2","5","7","9","2","1","1") = "8"
    & skf18("2","5","7","9","2","2","1") = "8"
    & skf18("2","5","7","9","2","3","1") = "8"
    & skf18("2","5","7","9","2","4","1") = "8"
    & skf18("2","5","7","9","2","5","1") = "8"
    & skf18("2","5","7","9","2","6","1") = "8"
    & skf18("2","5","7","9","2","7","1") = "8"
    & skf18("2","5","7","9","2","8","1") = "8"
    & skf18("2","5","7","9","2","9","1") = "8"
    & skf18("2","5","7","9","2","10","1") = "9"
    & skf18("2","5","7","9","3","1","1") = "8"
    & skf18("2","5","7","9","3","2","1") = "8"
    & skf18("2","5","7","9","3","3","1") = "8"
    & skf18("2","5","7","9","3","4","1") = "8"
    & skf18("2","5","7","9","3","5","1") = "8"
    & skf18("2","5","7","9","3","6","1") = "8"
    & skf18("2","5","7","9","3","7","1") = "8"
    & skf18("2","5","7","9","3","8","1") = "8"
    & skf18("2","5","7","9","3","9","1") = "8"
    & skf18("2","5","7","9","3","10","1") = "9"
    & skf18("2","5","7","9","4","1","1") = "8"
    & skf18("2","5","7","9","4","2","1") = "8"
    & skf18("2","5","7","9","4","3","1") = "8"
    & skf18("2","5","7","9","4","4","1") = "8"
    & skf18("2","5","7","9","4","5","1") = "8"
    & skf18("2","5","7","9","4","6","1") = "8"
    & skf18("2","5","7","9","4","7","1") = "8"
    & skf18("2","5","7","9","4","8","1") = "8"
    & skf18("2","5","7","9","4","9","1") = "8"
    & skf18("2","5","7","9","4","10","1") = "9"
    & skf18("2","5","7","9","5","1","1") = "8"
    & skf18("2","5","7","9","5","2","1") = "8"
    & skf18("2","5","7","9","5","3","1") = "8"
    & skf18("2","5","7","9","5","4","1") = "8"
    & skf18("2","5","7","9","5","5","1") = "8"
    & skf18("2","5","7","9","5","6","1") = "8"
    & skf18("2","5","7","9","5","7","1") = "8"
    & skf18("2","5","7","9","5","8","1") = "8"
    & skf18("2","5","7","9","5","9","1") = "8"
    & skf18("2","5","7","9","5","10","1") = "9"
    & skf18("2","5","7","9","6","1","1") = "8"
    & skf18("2","5","7","9","6","2","1") = "8"
    & skf18("2","5","7","9","6","3","1") = "8"
    & skf18("2","5","7","9","6","4","1") = "8"
    & skf18("2","5","7","9","6","5","1") = "8"
    & skf18("2","5","7","9","6","6","1") = "8"
    & skf18("2","5","7","9","6","7","1") = "8"
    & skf18("2","5","7","9","6","8","1") = "8"
    & skf18("2","5","7","9","6","9","1") = "8"
    & skf18("2","5","7","9","6","10","1") = "9"
    & skf18("2","5","7","9","7","1","1") = "8"
    & skf18("2","5","7","9","7","2","1") = "8"
    & skf18("2","5","7","9","7","3","1") = "8"
    & skf18("2","5","7","9","7","4","1") = "8"
    & skf18("2","5","7","9","7","5","1") = "8"
    & skf18("2","5","7","9","7","6","1") = "8"
    & skf18("2","5","7","9","7","7","1") = "8"
    & skf18("2","5","7","9","7","8","1") = "8"
    & skf18("2","5","7","9","7","9","1") = "8"
    & skf18("2","5","7","9","7","10","1") = "9"
    & skf18("2","5","7","9","8","1","1") = "8"
    & skf18("2","5","7","9","8","2","1") = "8"
    & skf18("2","5","7","9","8","3","1") = "8"
    & skf18("2","5","7","9","8","4","1") = "8"
    & skf18("2","5","7","9","8","5","1") = "8"
    & skf18("2","5","7","9","8","6","1") = "8"
    & skf18("2","5","7","9","8","7","1") = "8"
    & skf18("2","5","7","9","8","8","1") = "8"
    & skf18("2","5","7","9","8","9","1") = "8"
    & skf18("2","5","7","9","8","10","1") = "9"
    & skf18("2","5","7","9","9","1","1") = "8"
    & skf18("2","5","7","9","9","2","1") = "8"
    & skf18("2","5","7","9","9","3","1") = "8"
    & skf18("2","5","7","9","9","4","1") = "8"
    & skf18("2","5","7","9","9","5","1") = "8"
    & skf18("2","5","7","9","9","6","1") = "8"
    & skf18("2","5","7","9","9","7","1") = "8"
    & skf18("2","5","7","9","9","8","1") = "8"
    & skf18("2","5","7","9","9","9","1") = "8"
    & skf18("2","5","7","9","9","10","1") = "9"
    & skf18("2","5","7","9","10","1","1") = "9"
    & skf18("2","5","7","9","10","2","1") = "9"
    & skf18("2","5","7","9","10","3","1") = "9"
    & skf18("2","5","7","9","10","4","1") = "9"
    & skf18("2","5","7","9","10","5","1") = "9"
    & skf18("2","5","7","9","10","6","1") = "9"
    & skf18("2","5","7","9","10","7","1") = "9"
    & skf18("2","5","7","9","10","8","1") = "9"
    & skf18("2","5","7","9","10","9","1") = "9"
    & skf18("2","5","7","9","10","10","1") = "9"
    & skf18("2","5","7","10","1","1","1") = "9"
    & skf18("2","5","7","10","1","2","1") = "9"
    & skf18("2","5","7","10","1","3","1") = "9"
    & skf18("2","5","7","10","1","4","1") = "9"
    & skf18("2","5","7","10","1","5","1") = "9"
    & skf18("2","5","7","10","1","6","1") = "9"
    & skf18("2","5","7","10","1","7","1") = "9"
    & skf18("2","5","7","10","1","8","1") = "9"
    & skf18("2","5","7","10","1","9","1") = "9"
    & skf18("2","5","7","10","1","10","1") = "9"
    & skf18("2","5","7","10","2","1","1") = "9"
    & skf18("2","5","7","10","2","2","1") = "9"
    & skf18("2","5","7","10","2","3","1") = "9"
    & skf18("2","5","7","10","2","4","1") = "9"
    & skf18("2","5","7","10","2","5","1") = "9"
    & skf18("2","5","7","10","2","6","1") = "9"
    & skf18("2","5","7","10","2","7","1") = "9"
    & skf18("2","5","7","10","2","8","1") = "9"
    & skf18("2","5","7","10","2","9","1") = "9"
    & skf18("2","5","7","10","2","10","1") = "9"
    & skf18("2","5","7","10","3","1","1") = "9"
    & skf18("2","5","7","10","3","2","1") = "9"
    & skf18("2","5","7","10","3","3","1") = "9"
    & skf18("2","5","7","10","3","4","1") = "9"
    & skf18("2","5","7","10","3","5","1") = "9"
    & skf18("2","5","7","10","3","6","1") = "9"
    & skf18("2","5","7","10","3","7","1") = "9"
    & skf18("2","5","7","10","3","8","1") = "9"
    & skf18("2","5","7","10","3","9","1") = "9"
    & skf18("2","5","7","10","3","10","1") = "9"
    & skf18("2","5","7","10","4","1","1") = "9"
    & skf18("2","5","7","10","4","2","1") = "9"
    & skf18("2","5","7","10","4","3","1") = "9"
    & skf18("2","5","7","10","4","4","1") = "9"
    & skf18("2","5","7","10","4","5","1") = "9"
    & skf18("2","5","7","10","4","6","1") = "9"
    & skf18("2","5","7","10","4","7","1") = "9"
    & skf18("2","5","7","10","4","8","1") = "9"
    & skf18("2","5","7","10","4","9","1") = "9"
    & skf18("2","5","7","10","4","10","1") = "9"
    & skf18("2","5","7","10","5","1","1") = "9"
    & skf18("2","5","7","10","5","2","1") = "9"
    & skf18("2","5","7","10","5","3","1") = "9"
    & skf18("2","5","7","10","5","4","1") = "9"
    & skf18("2","5","7","10","5","5","1") = "9"
    & skf18("2","5","7","10","5","6","1") = "9"
    & skf18("2","5","7","10","5","7","1") = "9"
    & skf18("2","5","7","10","5","8","1") = "9"
    & skf18("2","5","7","10","5","9","1") = "9"
    & skf18("2","5","7","10","5","10","1") = "9"
    & skf18("2","5","7","10","6","1","1") = "9"
    & skf18("2","5","7","10","6","2","1") = "9"
    & skf18("2","5","7","10","6","3","1") = "9"
    & skf18("2","5","7","10","6","4","1") = "9"
    & skf18("2","5","7","10","6","5","1") = "9"
    & skf18("2","5","7","10","6","6","1") = "9"
    & skf18("2","5","7","10","6","7","1") = "9"
    & skf18("2","5","7","10","6","8","1") = "9"
    & skf18("2","5","7","10","6","9","1") = "9"
    & skf18("2","5","7","10","6","10","1") = "9"
    & skf18("2","5","7","10","7","1","1") = "9"
    & skf18("2","5","7","10","7","2","1") = "9"
    & skf18("2","5","7","10","7","3","1") = "9"
    & skf18("2","5","7","10","7","4","1") = "9"
    & skf18("2","5","7","10","7","5","1") = "9"
    & skf18("2","5","7","10","7","6","1") = "9"
    & skf18("2","5","7","10","7","7","1") = "9"
    & skf18("2","5","7","10","7","8","1") = "9"
    & skf18("2","5","7","10","7","9","1") = "9"
    & skf18("2","5","7","10","7","10","1") = "9"
    & skf18("2","5","7","10","8","1","1") = "9"
    & skf18("2","5","7","10","8","2","1") = "9"
    & skf18("2","5","7","10","8","3","1") = "9"
    & skf18("2","5","7","10","8","4","1") = "9"
    & skf18("2","5","7","10","8","5","1") = "9"
    & skf18("2","5","7","10","8","6","1") = "9"
    & skf18("2","5","7","10","8","7","1") = "9"
    & skf18("2","5","7","10","8","8","1") = "9"
    & skf18("2","5","7","10","8","9","1") = "9"
    & skf18("2","5","7","10","8","10","1") = "9"
    & skf18("2","5","7","10","9","1","1") = "9"
    & skf18("2","5","7","10","9","2","1") = "9"
    & skf18("2","5","7","10","9","3","1") = "9"
    & skf18("2","5","7","10","9","4","1") = "9"
    & skf18("2","5","7","10","9","5","1") = "9"
    & skf18("2","5","7","10","9","6","1") = "9"
    & skf18("2","5","7","10","9","7","1") = "9"
    & skf18("2","5","7","10","9","8","1") = "9"
    & skf18("2","5","7","10","9","9","1") = "9"
    & skf18("2","5","7","10","9","10","1") = "9"
    & skf18("2","5","7","10","10","1","1") = "9"
    & skf18("2","5","7","10","10","2","1") = "9"
    & skf18("2","5","7","10","10","3","1") = "9"
    & skf18("2","5","7","10","10","4","1") = "9"
    & skf18("2","5","7","10","10","5","1") = "9"
    & skf18("2","5","7","10","10","6","1") = "9"
    & skf18("2","5","7","10","10","7","1") = "9"
    & skf18("2","5","7","10","10","8","1") = "9"
    & skf18("2","5","7","10","10","9","1") = "9"
    & skf18("2","5","7","10","10","10","1") = "9"
    & skf18("2","5","8","1","1","1","1") = "7"
    & skf18("2","5","8","1","1","2","1") = "7"
    & skf18("2","5","8","1","1","3","1") = "7"
    & skf18("2","5","8","1","1","4","1") = "7"
    & skf18("2","5","8","1","1","5","1") = "7"
    & skf18("2","5","8","1","1","6","1") = "7"
    & skf18("2","5","8","1","1","7","1") = "7"
    & skf18("2","5","8","1","1","8","1") = "7"
    & skf18("2","5","8","1","1","9","1") = "8"
    & skf18("2","5","8","1","1","10","1") = "9"
    & skf18("2","5","8","1","2","1","1") = "7"
    & skf18("2","5","8","1","2","2","1") = "7"
    & skf18("2","5","8","1","2","3","1") = "7"
    & skf18("2","5","8","1","2","4","1") = "7"
    & skf18("2","5","8","1","2","5","1") = "7"
    & skf18("2","5","8","1","2","6","1") = "7"
    & skf18("2","5","8","1","2","7","1") = "7"
    & skf18("2","5","8","1","2","8","1") = "7"
    & skf18("2","5","8","1","2","9","1") = "8"
    & skf18("2","5","8","1","2","10","1") = "9"
    & skf18("2","5","8","1","3","1","1") = "7"
    & skf18("2","5","8","1","3","2","1") = "7"
    & skf18("2","5","8","1","3","3","1") = "7"
    & skf18("2","5","8","1","3","4","1") = "7"
    & skf18("2","5","8","1","3","5","1") = "7"
    & skf18("2","5","8","1","3","6","1") = "7"
    & skf18("2","5","8","1","3","7","1") = "7"
    & skf18("2","5","8","1","3","8","1") = "7"
    & skf18("2","5","8","1","3","9","1") = "8"
    & skf18("2","5","8","1","3","10","1") = "9"
    & skf18("2","5","8","1","4","1","1") = "7"
    & skf18("2","5","8","1","4","2","1") = "7"
    & skf18("2","5","8","1","4","3","1") = "7"
    & skf18("2","5","8","1","4","4","1") = "7"
    & skf18("2","5","8","1","4","5","1") = "7"
    & skf18("2","5","8","1","4","6","1") = "7"
    & skf18("2","5","8","1","4","7","1") = "7"
    & skf18("2","5","8","1","4","8","1") = "7"
    & skf18("2","5","8","1","4","9","1") = "8"
    & skf18("2","5","8","1","4","10","1") = "9"
    & skf18("2","5","8","1","5","1","1") = "7"
    & skf18("2","5","8","1","5","2","1") = "7"
    & skf18("2","5","8","1","5","3","1") = "7"
    & skf18("2","5","8","1","5","4","1") = "7"
    & skf18("2","5","8","1","5","5","1") = "7"
    & skf18("2","5","8","1","5","6","1") = "7"
    & skf18("2","5","8","1","5","7","1") = "7"
    & skf18("2","5","8","1","5","8","1") = "7"
    & skf18("2","5","8","1","5","9","1") = "8"
    & skf18("2","5","8","1","5","10","1") = "9"
    & skf18("2","5","8","1","6","1","1") = "7"
    & skf18("2","5","8","1","6","2","1") = "7"
    & skf18("2","5","8","1","6","3","1") = "7"
    & skf18("2","5","8","1","6","4","1") = "7"
    & skf18("2","5","8","1","6","5","1") = "7"
    & skf18("2","5","8","1","6","6","1") = "7"
    & skf18("2","5","8","1","6","7","1") = "7"
    & skf18("2","5","8","1","6","8","1") = "7"
    & skf18("2","5","8","1","6","9","1") = "8"
    & skf18("2","5","8","1","6","10","1") = "9"
    & skf18("2","5","8","1","7","1","1") = "7"
    & skf18("2","5","8","1","7","2","1") = "7"
    & skf18("2","5","8","1","7","3","1") = "7"
    & skf18("2","5","8","1","7","4","1") = "7"
    & skf18("2","5","8","1","7","5","1") = "7"
    & skf18("2","5","8","1","7","6","1") = "7"
    & skf18("2","5","8","1","7","7","1") = "7"
    & skf18("2","5","8","1","7","8","1") = "7"
    & skf18("2","5","8","1","7","9","1") = "8"
    & skf18("2","5","8","1","7","10","1") = "9"
    & skf18("2","5","8","1","8","1","1") = "7"
    & skf18("2","5","8","1","8","2","1") = "7"
    & skf18("2","5","8","1","8","3","1") = "7"
    & skf18("2","5","8","1","8","4","1") = "7"
    & skf18("2","5","8","1","8","5","1") = "7"
    & skf18("2","5","8","1","8","6","1") = "7"
    & skf18("2","5","8","1","8","7","1") = "7"
    & skf18("2","5","8","1","8","8","1") = "7"
    & skf18("2","5","8","1","8","9","1") = "8"
    & skf18("2","5","8","1","8","10","1") = "9"
    & skf18("2","5","8","1","9","1","1") = "8"
    & skf18("2","5","8","1","9","2","1") = "8"
    & skf18("2","5","8","1","9","3","1") = "8"
    & skf18("2","5","8","1","9","4","1") = "8"
    & skf18("2","5","8","1","9","5","1") = "8"
    & skf18("2","5","8","1","9","6","1") = "8"
    & skf18("2","5","8","1","9","7","1") = "8"
    & skf18("2","5","8","1","9","8","1") = "8"
    & skf18("2","5","8","1","9","9","1") = "8"
    & skf18("2","5","8","1","9","10","1") = "9"
    & skf18("2","5","8","1","10","1","1") = "9"
    & skf18("2","5","8","1","10","2","1") = "9"
    & skf18("2","5","8","1","10","3","1") = "9"
    & skf18("2","5","8","1","10","4","1") = "9"
    & skf18("2","5","8","1","10","5","1") = "9"
    & skf18("2","5","8","1","10","6","1") = "9"
    & skf18("2","5","8","1","10","7","1") = "9"
    & skf18("2","5","8","1","10","8","1") = "9"
    & skf18("2","5","8","1","10","9","1") = "9"
    & skf18("2","5","8","1","10","10","1") = "9"
    & skf18("2","5","8","2","1","1","1") = "7"
    & skf18("2","5","8","2","1","2","1") = "7"
    & skf18("2","5","8","2","1","3","1") = "7"
    & skf18("2","5","8","2","1","4","1") = "7"
    & skf18("2","5","8","2","1","5","1") = "7"
    & skf18("2","5","8","2","1","6","1") = "7"
    & skf18("2","5","8","2","1","7","1") = "7"
    & skf18("2","5","8","2","1","8","1") = "7"
    & skf18("2","5","8","2","1","9","1") = "8"
    & skf18("2","5","8","2","1","10","1") = "9"
    & skf18("2","5","8","2","2","1","1") = "7"
    & skf18("2","5","8","2","2","2","1") = "7"
    & skf18("2","5","8","2","2","3","1") = "7"
    & skf18("2","5","8","2","2","4","1") = "7"
    & skf18("2","5","8","2","2","5","1") = "7"
    & skf18("2","5","8","2","2","6","1") = "7"
    & skf18("2","5","8","2","2","7","1") = "7"
    & skf18("2","5","8","2","2","8","1") = "7"
    & skf18("2","5","8","2","2","9","1") = "8"
    & skf18("2","5","8","2","2","10","1") = "9"
    & skf18("2","5","8","2","3","1","1") = "7"
    & skf18("2","5","8","2","3","2","1") = "7"
    & skf18("2","5","8","2","3","3","1") = "7"
    & skf18("2","5","8","2","3","4","1") = "7"
    & skf18("2","5","8","2","3","5","1") = "7"
    & skf18("2","5","8","2","3","6","1") = "7"
    & skf18("2","5","8","2","3","7","1") = "7"
    & skf18("2","5","8","2","3","8","1") = "7"
    & skf18("2","5","8","2","3","9","1") = "8"
    & skf18("2","5","8","2","3","10","1") = "9"
    & skf18("2","5","8","2","4","1","1") = "7"
    & skf18("2","5","8","2","4","2","1") = "7"
    & skf18("2","5","8","2","4","3","1") = "7"
    & skf18("2","5","8","2","4","4","1") = "7"
    & skf18("2","5","8","2","4","5","1") = "7"
    & skf18("2","5","8","2","4","6","1") = "7"
    & skf18("2","5","8","2","4","7","1") = "7"
    & skf18("2","5","8","2","4","8","1") = "7"
    & skf18("2","5","8","2","4","9","1") = "8"
    & skf18("2","5","8","2","4","10","1") = "9"
    & skf18("2","5","8","2","5","1","1") = "7"
    & skf18("2","5","8","2","5","2","1") = "7"
    & skf18("2","5","8","2","5","3","1") = "7"
    & skf18("2","5","8","2","5","4","1") = "7"
    & skf18("2","5","8","2","5","5","1") = "7"
    & skf18("2","5","8","2","5","6","1") = "7"
    & skf18("2","5","8","2","5","7","1") = "7"
    & skf18("2","5","8","2","5","8","1") = "7"
    & skf18("2","5","8","2","5","9","1") = "8"
    & skf18("2","5","8","2","5","10","1") = "9"
    & skf18("2","5","8","2","6","1","1") = "7"
    & skf18("2","5","8","2","6","2","1") = "7"
    & skf18("2","5","8","2","6","3","1") = "7"
    & skf18("2","5","8","2","6","4","1") = "7"
    & skf18("2","5","8","2","6","5","1") = "7"
    & skf18("2","5","8","2","6","6","1") = "7"
    & skf18("2","5","8","2","6","7","1") = "7"
    & skf18("2","5","8","2","6","8","1") = "7"
    & skf18("2","5","8","2","6","9","1") = "8"
    & skf18("2","5","8","2","6","10","1") = "9"
    & skf18("2","5","8","2","7","1","1") = "7"
    & skf18("2","5","8","2","7","2","1") = "7"
    & skf18("2","5","8","2","7","3","1") = "7"
    & skf18("2","5","8","2","7","4","1") = "7"
    & skf18("2","5","8","2","7","5","1") = "7"
    & skf18("2","5","8","2","7","6","1") = "7"
    & skf18("2","5","8","2","7","7","1") = "7"
    & skf18("2","5","8","2","7","8","1") = "7"
    & skf18("2","5","8","2","7","9","1") = "8"
    & skf18("2","5","8","2","7","10","1") = "9"
    & skf18("2","5","8","2","8","1","1") = "7"
    & skf18("2","5","8","2","8","2","1") = "7"
    & skf18("2","5","8","2","8","3","1") = "7"
    & skf18("2","5","8","2","8","4","1") = "7"
    & skf18("2","5","8","2","8","5","1") = "7"
    & skf18("2","5","8","2","8","6","1") = "7"
    & skf18("2","5","8","2","8","7","1") = "7"
    & skf18("2","5","8","2","8","8","1") = "7"
    & skf18("2","5","8","2","8","9","1") = "8"
    & skf18("2","5","8","2","8","10","1") = "9"
    & skf18("2","5","8","2","9","1","1") = "8"
    & skf18("2","5","8","2","9","2","1") = "8"
    & skf18("2","5","8","2","9","3","1") = "8"
    & skf18("2","5","8","2","9","4","1") = "8"
    & skf18("2","5","8","2","9","5","1") = "8"
    & skf18("2","5","8","2","9","6","1") = "8"
    & skf18("2","5","8","2","9","7","1") = "8"
    & skf18("2","5","8","2","9","8","1") = "8"
    & skf18("2","5","8","2","9","9","1") = "8"
    & skf18("2","5","8","2","9","10","1") = "9"
    & skf18("2","5","8","2","10","1","1") = "9"
    & skf18("2","5","8","2","10","2","1") = "9"
    & skf18("2","5","8","2","10","3","1") = "9"
    & skf18("2","5","8","2","10","4","1") = "9"
    & skf18("2","5","8","2","10","5","1") = "9"
    & skf18("2","5","8","2","10","6","1") = "9"
    & skf18("2","5","8","2","10","7","1") = "9"
    & skf18("2","5","8","2","10","8","1") = "9"
    & skf18("2","5","8","2","10","9","1") = "9"
    & skf18("2","5","8","2","10","10","1") = "9"
    & skf18("2","5","8","3","1","1","1") = "7"
    & skf18("2","5","8","3","1","2","1") = "7"
    & skf18("2","5","8","3","1","3","1") = "7"
    & skf18("2","5","8","3","1","4","1") = "7"
    & skf18("2","5","8","3","1","5","1") = "7"
    & skf18("2","5","8","3","1","6","1") = "7"
    & skf18("2","5","8","3","1","7","1") = "7"
    & skf18("2","5","8","3","1","8","1") = "7"
    & skf18("2","5","8","3","1","9","1") = "8"
    & skf18("2","5","8","3","1","10","1") = "9"
    & skf18("2","5","8","3","2","1","1") = "7"
    & skf18("2","5","8","3","2","2","1") = "7"
    & skf18("2","5","8","3","2","3","1") = "7"
    & skf18("2","5","8","3","2","4","1") = "7"
    & skf18("2","5","8","3","2","5","1") = "7"
    & skf18("2","5","8","3","2","6","1") = "7"
    & skf18("2","5","8","3","2","7","1") = "7"
    & skf18("2","5","8","3","2","8","1") = "7"
    & skf18("2","5","8","3","2","9","1") = "8"
    & skf18("2","5","8","3","2","10","1") = "9"
    & skf18("2","5","8","3","3","1","1") = "7"
    & skf18("2","5","8","3","3","2","1") = "7"
    & skf18("2","5","8","3","3","3","1") = "7"
    & skf18("2","5","8","3","3","4","1") = "7"
    & skf18("2","5","8","3","3","5","1") = "7"
    & skf18("2","5","8","3","3","6","1") = "7"
    & skf18("2","5","8","3","3","7","1") = "7"
    & skf18("2","5","8","3","3","8","1") = "7"
    & skf18("2","5","8","3","3","9","1") = "8"
    & skf18("2","5","8","3","3","10","1") = "9"
    & skf18("2","5","8","3","4","1","1") = "7"
    & skf18("2","5","8","3","4","2","1") = "7"
    & skf18("2","5","8","3","4","3","1") = "7"
    & skf18("2","5","8","3","4","4","1") = "7"
    & skf18("2","5","8","3","4","5","1") = "7"
    & skf18("2","5","8","3","4","6","1") = "7"
    & skf18("2","5","8","3","4","7","1") = "7"
    & skf18("2","5","8","3","4","8","1") = "7"
    & skf18("2","5","8","3","4","9","1") = "8"
    & skf18("2","5","8","3","4","10","1") = "9"
    & skf18("2","5","8","3","5","1","1") = "7"
    & skf18("2","5","8","3","5","2","1") = "7"
    & skf18("2","5","8","3","5","3","1") = "7"
    & skf18("2","5","8","3","5","4","1") = "7"
    & skf18("2","5","8","3","5","5","1") = "7"
    & skf18("2","5","8","3","5","6","1") = "7"
    & skf18("2","5","8","3","5","7","1") = "7"
    & skf18("2","5","8","3","5","8","1") = "7"
    & skf18("2","5","8","3","5","9","1") = "8"
    & skf18("2","5","8","3","5","10","1") = "9"
    & skf18("2","5","8","3","6","1","1") = "7"
    & skf18("2","5","8","3","6","2","1") = "7"
    & skf18("2","5","8","3","6","3","1") = "7"
    & skf18("2","5","8","3","6","4","1") = "7"
    & skf18("2","5","8","3","6","5","1") = "7"
    & skf18("2","5","8","3","6","6","1") = "7"
    & skf18("2","5","8","3","6","7","1") = "7"
    & skf18("2","5","8","3","6","8","1") = "7"
    & skf18("2","5","8","3","6","9","1") = "8"
    & skf18("2","5","8","3","6","10","1") = "9"
    & skf18("2","5","8","3","7","1","1") = "7"
    & skf18("2","5","8","3","7","2","1") = "7"
    & skf18("2","5","8","3","7","3","1") = "7"
    & skf18("2","5","8","3","7","4","1") = "7"
    & skf18("2","5","8","3","7","5","1") = "7"
    & skf18("2","5","8","3","7","6","1") = "7"
    & skf18("2","5","8","3","7","7","1") = "7"
    & skf18("2","5","8","3","7","8","1") = "7"
    & skf18("2","5","8","3","7","9","1") = "8"
    & skf18("2","5","8","3","7","10","1") = "9"
    & skf18("2","5","8","3","8","1","1") = "7"
    & skf18("2","5","8","3","8","2","1") = "7"
    & skf18("2","5","8","3","8","3","1") = "7"
    & skf18("2","5","8","3","8","4","1") = "7"
    & skf18("2","5","8","3","8","5","1") = "7"
    & skf18("2","5","8","3","8","6","1") = "7"
    & skf18("2","5","8","3","8","7","1") = "7"
    & skf18("2","5","8","3","8","8","1") = "7"
    & skf18("2","5","8","3","8","9","1") = "8"
    & skf18("2","5","8","3","8","10","1") = "9"
    & skf18("2","5","8","3","9","1","1") = "8"
    & skf18("2","5","8","3","9","2","1") = "8"
    & skf18("2","5","8","3","9","3","1") = "8"
    & skf18("2","5","8","3","9","4","1") = "8"
    & skf18("2","5","8","3","9","5","1") = "8"
    & skf18("2","5","8","3","9","6","1") = "8"
    & skf18("2","5","8","3","9","7","1") = "8"
    & skf18("2","5","8","3","9","8","1") = "8"
    & skf18("2","5","8","3","9","9","1") = "8"
    & skf18("2","5","8","3","9","10","1") = "9"
    & skf18("2","5","8","3","10","1","1") = "9"
    & skf18("2","5","8","3","10","2","1") = "9"
    & skf18("2","5","8","3","10","3","1") = "9"
    & skf18("2","5","8","3","10","4","1") = "9"
    & skf18("2","5","8","3","10","5","1") = "9"
    & skf18("2","5","8","3","10","6","1") = "9"
    & skf18("2","5","8","3","10","7","1") = "9"
    & skf18("2","5","8","3","10","8","1") = "9"
    & skf18("2","5","8","3","10","9","1") = "9"
    & skf18("2","5","8","3","10","10","1") = "9"
    & skf18("2","5","8","4","1","1","1") = "7"
    & skf18("2","5","8","4","1","2","1") = "7"
    & skf18("2","5","8","4","1","3","1") = "7"
    & skf18("2","5","8","4","1","4","1") = "7"
    & skf18("2","5","8","4","1","5","1") = "7"
    & skf18("2","5","8","4","1","6","1") = "7"
    & skf18("2","5","8","4","1","7","1") = "7"
    & skf18("2","5","8","4","1","8","1") = "7"
    & skf18("2","5","8","4","1","9","1") = "8"
    & skf18("2","5","8","4","1","10","1") = "9"
    & skf18("2","5","8","4","2","1","1") = "7"
    & skf18("2","5","8","4","2","2","1") = "7"
    & skf18("2","5","8","4","2","3","1") = "7"
    & skf18("2","5","8","4","2","4","1") = "7"
    & skf18("2","5","8","4","2","5","1") = "7"
    & skf18("2","5","8","4","2","6","1") = "7"
    & skf18("2","5","8","4","2","7","1") = "7"
    & skf18("2","5","8","4","2","8","1") = "7"
    & skf18("2","5","8","4","2","9","1") = "8"
    & skf18("2","5","8","4","2","10","1") = "9"
    & skf18("2","5","8","4","3","1","1") = "7"
    & skf18("2","5","8","4","3","2","1") = "7"
    & skf18("2","5","8","4","3","3","1") = "7"
    & skf18("2","5","8","4","3","4","1") = "7"
    & skf18("2","5","8","4","3","5","1") = "7"
    & skf18("2","5","8","4","3","6","1") = "7"
    & skf18("2","5","8","4","3","7","1") = "7"
    & skf18("2","5","8","4","3","8","1") = "7"
    & skf18("2","5","8","4","3","9","1") = "8"
    & skf18("2","5","8","4","3","10","1") = "9"
    & skf18("2","5","8","4","4","1","1") = "7"
    & skf18("2","5","8","4","4","2","1") = "7"
    & skf18("2","5","8","4","4","3","1") = "7"
    & skf18("2","5","8","4","4","4","1") = "7"
    & skf18("2","5","8","4","4","5","1") = "7"
    & skf18("2","5","8","4","4","6","1") = "7"
    & skf18("2","5","8","4","4","7","1") = "7"
    & skf18("2","5","8","4","4","8","1") = "7"
    & skf18("2","5","8","4","4","9","1") = "8"
    & skf18("2","5","8","4","4","10","1") = "9"
    & skf18("2","5","8","4","5","1","1") = "7"
    & skf18("2","5","8","4","5","2","1") = "7"
    & skf18("2","5","8","4","5","3","1") = "7"
    & skf18("2","5","8","4","5","4","1") = "7"
    & skf18("2","5","8","4","5","5","1") = "7"
    & skf18("2","5","8","4","5","6","1") = "7"
    & skf18("2","5","8","4","5","7","1") = "7"
    & skf18("2","5","8","4","5","8","1") = "7"
    & skf18("2","5","8","4","5","9","1") = "8"
    & skf18("2","5","8","4","5","10","1") = "9"
    & skf18("2","5","8","4","6","1","1") = "7"
    & skf18("2","5","8","4","6","2","1") = "7"
    & skf18("2","5","8","4","6","3","1") = "7"
    & skf18("2","5","8","4","6","4","1") = "7"
    & skf18("2","5","8","4","6","5","1") = "7"
    & skf18("2","5","8","4","6","6","1") = "7"
    & skf18("2","5","8","4","6","7","1") = "7"
    & skf18("2","5","8","4","6","8","1") = "7"
    & skf18("2","5","8","4","6","9","1") = "8"
    & skf18("2","5","8","4","6","10","1") = "9"
    & skf18("2","5","8","4","7","1","1") = "7"
    & skf18("2","5","8","4","7","2","1") = "7"
    & skf18("2","5","8","4","7","3","1") = "7"
    & skf18("2","5","8","4","7","4","1") = "7"
    & skf18("2","5","8","4","7","5","1") = "7"
    & skf18("2","5","8","4","7","6","1") = "7"
    & skf18("2","5","8","4","7","7","1") = "7"
    & skf18("2","5","8","4","7","8","1") = "7"
    & skf18("2","5","8","4","7","9","1") = "8"
    & skf18("2","5","8","4","7","10","1") = "9"
    & skf18("2","5","8","4","8","1","1") = "7"
    & skf18("2","5","8","4","8","2","1") = "7"
    & skf18("2","5","8","4","8","3","1") = "7"
    & skf18("2","5","8","4","8","4","1") = "7"
    & skf18("2","5","8","4","8","5","1") = "7"
    & skf18("2","5","8","4","8","6","1") = "7"
    & skf18("2","5","8","4","8","7","1") = "7"
    & skf18("2","5","8","4","8","8","1") = "7"
    & skf18("2","5","8","4","8","9","1") = "8"
    & skf18("2","5","8","4","8","10","1") = "9"
    & skf18("2","5","8","4","9","1","1") = "8"
    & skf18("2","5","8","4","9","2","1") = "8"
    & skf18("2","5","8","4","9","3","1") = "8"
    & skf18("2","5","8","4","9","4","1") = "8"
    & skf18("2","5","8","4","9","5","1") = "8"
    & skf18("2","5","8","4","9","6","1") = "8"
    & skf18("2","5","8","4","9","7","1") = "8"
    & skf18("2","5","8","4","9","8","1") = "8"
    & skf18("2","5","8","4","9","9","1") = "8"
    & skf18("2","5","8","4","9","10","1") = "9"
    & skf18("2","5","8","4","10","1","1") = "9"
    & skf18("2","5","8","4","10","2","1") = "9"
    & skf18("2","5","8","4","10","3","1") = "9"
    & skf18("2","5","8","4","10","4","1") = "9"
    & skf18("2","5","8","4","10","5","1") = "9"
    & skf18("2","5","8","4","10","6","1") = "9"
    & skf18("2","5","8","4","10","7","1") = "9"
    & skf18("2","5","8","4","10","8","1") = "9"
    & skf18("2","5","8","4","10","9","1") = "9"
    & skf18("2","5","8","4","10","10","1") = "9"
    & skf18("2","5","8","5","1","1","1") = "7"
    & skf18("2","5","8","5","1","2","1") = "7"
    & skf18("2","5","8","5","1","3","1") = "7"
    & skf18("2","5","8","5","1","4","1") = "7"
    & skf18("2","5","8","5","1","5","1") = "7"
    & skf18("2","5","8","5","1","6","1") = "7"
    & skf18("2","5","8","5","1","7","1") = "7"
    & skf18("2","5","8","5","1","8","1") = "7"
    & skf18("2","5","8","5","1","9","1") = "8"
    & skf18("2","5","8","5","1","10","1") = "9"
    & skf18("2","5","8","5","2","1","1") = "7"
    & skf18("2","5","8","5","2","2","1") = "7"
    & skf18("2","5","8","5","2","3","1") = "7"
    & skf18("2","5","8","5","2","4","1") = "7"
    & skf18("2","5","8","5","2","5","1") = "7"
    & skf18("2","5","8","5","2","6","1") = "7"
    & skf18("2","5","8","5","2","7","1") = "7"
    & skf18("2","5","8","5","2","8","1") = "7"
    & skf18("2","5","8","5","2","9","1") = "8"
    & skf18("2","5","8","5","2","10","1") = "9"
    & skf18("2","5","8","5","3","1","1") = "7"
    & skf18("2","5","8","5","3","2","1") = "7"
    & skf18("2","5","8","5","3","3","1") = "7"
    & skf18("2","5","8","5","3","4","1") = "7"
    & skf18("2","5","8","5","3","5","1") = "7"
    & skf18("2","5","8","5","3","6","1") = "7"
    & skf18("2","5","8","5","3","7","1") = "7"
    & skf18("2","5","8","5","3","8","1") = "7"
    & skf18("2","5","8","5","3","9","1") = "8"
    & skf18("2","5","8","5","3","10","1") = "9"
    & skf18("2","5","8","5","4","1","1") = "7"
    & skf18("2","5","8","5","4","2","1") = "7"
    & skf18("2","5","8","5","4","3","1") = "7"
    & skf18("2","5","8","5","4","4","1") = "7"
    & skf18("2","5","8","5","4","5","1") = "7"
    & skf18("2","5","8","5","4","6","1") = "7"
    & skf18("2","5","8","5","4","7","1") = "7"
    & skf18("2","5","8","5","4","8","1") = "7"
    & skf18("2","5","8","5","4","9","1") = "8"
    & skf18("2","5","8","5","4","10","1") = "9"
    & skf18("2","5","8","5","5","1","1") = "7"
    & skf18("2","5","8","5","5","2","1") = "7"
    & skf18("2","5","8","5","5","3","1") = "7"
    & skf18("2","5","8","5","5","4","1") = "7"
    & skf18("2","5","8","5","5","5","1") = "7"
    & skf18("2","5","8","5","5","6","1") = "7"
    & skf18("2","5","8","5","5","7","1") = "7"
    & skf18("2","5","8","5","5","8","1") = "7"
    & skf18("2","5","8","5","5","9","1") = "8"
    & skf18("2","5","8","5","5","10","1") = "9"
    & skf18("2","5","8","5","6","1","1") = "7"
    & skf18("2","5","8","5","6","2","1") = "7"
    & skf18("2","5","8","5","6","3","1") = "7"
    & skf18("2","5","8","5","6","4","1") = "7"
    & skf18("2","5","8","5","6","5","1") = "7"
    & skf18("2","5","8","5","6","6","1") = "7"
    & skf18("2","5","8","5","6","7","1") = "7"
    & skf18("2","5","8","5","6","8","1") = "7"
    & skf18("2","5","8","5","6","9","1") = "8"
    & skf18("2","5","8","5","6","10","1") = "9"
    & skf18("2","5","8","5","7","1","1") = "7"
    & skf18("2","5","8","5","7","2","1") = "7"
    & skf18("2","5","8","5","7","3","1") = "7"
    & skf18("2","5","8","5","7","4","1") = "7"
    & skf18("2","5","8","5","7","5","1") = "7"
    & skf18("2","5","8","5","7","6","1") = "7"
    & skf18("2","5","8","5","7","7","1") = "7"
    & skf18("2","5","8","5","7","8","1") = "7"
    & skf18("2","5","8","5","7","9","1") = "8"
    & skf18("2","5","8","5","7","10","1") = "9"
    & skf18("2","5","8","5","8","1","1") = "7"
    & skf18("2","5","8","5","8","2","1") = "7"
    & skf18("2","5","8","5","8","3","1") = "7"
    & skf18("2","5","8","5","8","4","1") = "7"
    & skf18("2","5","8","5","8","5","1") = "7"
    & skf18("2","5","8","5","8","6","1") = "7"
    & skf18("2","5","8","5","8","7","1") = "7"
    & skf18("2","5","8","5","8","8","1") = "7"
    & skf18("2","5","8","5","8","9","1") = "8"
    & skf18("2","5","8","5","8","10","1") = "9"
    & skf18("2","5","8","5","9","1","1") = "8"
    & skf18("2","5","8","5","9","2","1") = "8"
    & skf18("2","5","8","5","9","3","1") = "8"
    & skf18("2","5","8","5","9","4","1") = "8"
    & skf18("2","5","8","5","9","5","1") = "8"
    & skf18("2","5","8","5","9","6","1") = "8"
    & skf18("2","5","8","5","9","7","1") = "8"
    & skf18("2","5","8","5","9","8","1") = "8"
    & skf18("2","5","8","5","9","9","1") = "8"
    & skf18("2","5","8","5","9","10","1") = "9"
    & skf18("2","5","8","5","10","1","1") = "9"
    & skf18("2","5","8","5","10","2","1") = "9"
    & skf18("2","5","8","5","10","3","1") = "9"
    & skf18("2","5","8","5","10","4","1") = "9"
    & skf18("2","5","8","5","10","5","1") = "9"
    & skf18("2","5","8","5","10","6","1") = "9"
    & skf18("2","5","8","5","10","7","1") = "9"
    & skf18("2","5","8","5","10","8","1") = "9"
    & skf18("2","5","8","5","10","9","1") = "9"
    & skf18("2","5","8","5","10","10","1") = "9"
    & skf18("2","5","8","6","1","1","1") = "7"
    & skf18("2","5","8","6","1","2","1") = "7"
    & skf18("2","5","8","6","1","3","1") = "7"
    & skf18("2","5","8","6","1","4","1") = "7"
    & skf18("2","5","8","6","1","5","1") = "7"
    & skf18("2","5","8","6","1","6","1") = "7"
    & skf18("2","5","8","6","1","7","1") = "7"
    & skf18("2","5","8","6","1","8","1") = "7"
    & skf18("2","5","8","6","1","9","1") = "8"
    & skf18("2","5","8","6","1","10","1") = "9"
    & skf18("2","5","8","6","2","1","1") = "7"
    & skf18("2","5","8","6","2","2","1") = "7"
    & skf18("2","5","8","6","2","3","1") = "7"
    & skf18("2","5","8","6","2","4","1") = "7"
    & skf18("2","5","8","6","2","5","1") = "7"
    & skf18("2","5","8","6","2","6","1") = "7"
    & skf18("2","5","8","6","2","7","1") = "7"
    & skf18("2","5","8","6","2","8","1") = "7"
    & skf18("2","5","8","6","2","9","1") = "8"
    & skf18("2","5","8","6","2","10","1") = "9"
    & skf18("2","5","8","6","3","1","1") = "7"
    & skf18("2","5","8","6","3","2","1") = "7"
    & skf18("2","5","8","6","3","3","1") = "7"
    & skf18("2","5","8","6","3","4","1") = "7"
    & skf18("2","5","8","6","3","5","1") = "7"
    & skf18("2","5","8","6","3","6","1") = "7"
    & skf18("2","5","8","6","3","7","1") = "7"
    & skf18("2","5","8","6","3","8","1") = "7"
    & skf18("2","5","8","6","3","9","1") = "8"
    & skf18("2","5","8","6","3","10","1") = "9"
    & skf18("2","5","8","6","4","1","1") = "7"
    & skf18("2","5","8","6","4","2","1") = "7"
    & skf18("2","5","8","6","4","3","1") = "7"
    & skf18("2","5","8","6","4","4","1") = "7"
    & skf18("2","5","8","6","4","5","1") = "7"
    & skf18("2","5","8","6","4","6","1") = "7"
    & skf18("2","5","8","6","4","7","1") = "7"
    & skf18("2","5","8","6","4","8","1") = "7"
    & skf18("2","5","8","6","4","9","1") = "8"
    & skf18("2","5","8","6","4","10","1") = "9"
    & skf18("2","5","8","6","5","1","1") = "7"
    & skf18("2","5","8","6","5","2","1") = "7"
    & skf18("2","5","8","6","5","3","1") = "7"
    & skf18("2","5","8","6","5","4","1") = "7"
    & skf18("2","5","8","6","5","5","1") = "7"
    & skf18("2","5","8","6","5","6","1") = "7"
    & skf18("2","5","8","6","5","7","1") = "7"
    & skf18("2","5","8","6","5","8","1") = "7"
    & skf18("2","5","8","6","5","9","1") = "8"
    & skf18("2","5","8","6","5","10","1") = "9"
    & skf18("2","5","8","6","6","1","1") = "7"
    & skf18("2","5","8","6","6","2","1") = "7"
    & skf18("2","5","8","6","6","3","1") = "7"
    & skf18("2","5","8","6","6","4","1") = "7"
    & skf18("2","5","8","6","6","5","1") = "7"
    & skf18("2","5","8","6","6","6","1") = "7"
    & skf18("2","5","8","6","6","7","1") = "7"
    & skf18("2","5","8","6","6","8","1") = "7"
    & skf18("2","5","8","6","6","9","1") = "8"
    & skf18("2","5","8","6","6","10","1") = "9"
    & skf18("2","5","8","6","7","1","1") = "7"
    & skf18("2","5","8","6","7","2","1") = "7"
    & skf18("2","5","8","6","7","3","1") = "7"
    & skf18("2","5","8","6","7","4","1") = "7"
    & skf18("2","5","8","6","7","5","1") = "7"
    & skf18("2","5","8","6","7","6","1") = "7"
    & skf18("2","5","8","6","7","7","1") = "7"
    & skf18("2","5","8","6","7","8","1") = "7"
    & skf18("2","5","8","6","7","9","1") = "8"
    & skf18("2","5","8","6","7","10","1") = "9"
    & skf18("2","5","8","6","8","1","1") = "7"
    & skf18("2","5","8","6","8","2","1") = "7"
    & skf18("2","5","8","6","8","3","1") = "7"
    & skf18("2","5","8","6","8","4","1") = "7"
    & skf18("2","5","8","6","8","5","1") = "7"
    & skf18("2","5","8","6","8","6","1") = "7"
    & skf18("2","5","8","6","8","7","1") = "7"
    & skf18("2","5","8","6","8","8","1") = "7"
    & skf18("2","5","8","6","8","9","1") = "8"
    & skf18("2","5","8","6","8","10","1") = "9"
    & skf18("2","5","8","6","9","1","1") = "8"
    & skf18("2","5","8","6","9","2","1") = "8"
    & skf18("2","5","8","6","9","3","1") = "8"
    & skf18("2","5","8","6","9","4","1") = "8"
    & skf18("2","5","8","6","9","5","1") = "8"
    & skf18("2","5","8","6","9","6","1") = "8"
    & skf18("2","5","8","6","9","7","1") = "8"
    & skf18("2","5","8","6","9","8","1") = "8"
    & skf18("2","5","8","6","9","9","1") = "8"
    & skf18("2","5","8","6","9","10","1") = "9"
    & skf18("2","5","8","6","10","1","1") = "9"
    & skf18("2","5","8","6","10","2","1") = "9"
    & skf18("2","5","8","6","10","3","1") = "9"
    & skf18("2","5","8","6","10","4","1") = "9"
    & skf18("2","5","8","6","10","5","1") = "9"
    & skf18("2","5","8","6","10","6","1") = "9"
    & skf18("2","5","8","6","10","7","1") = "9"
    & skf18("2","5","8","6","10","8","1") = "9"
    & skf18("2","5","8","6","10","9","1") = "9"
    & skf18("2","5","8","6","10","10","1") = "9"
    & skf18("2","5","8","7","1","1","1") = "7"
    & skf18("2","5","8","7","1","2","1") = "7"
    & skf18("2","5","8","7","1","3","1") = "7"
    & skf18("2","5","8","7","1","4","1") = "7"
    & skf18("2","5","8","7","1","5","1") = "7"
    & skf18("2","5","8","7","1","6","1") = "7"
    & skf18("2","5","8","7","1","7","1") = "7"
    & skf18("2","5","8","7","1","8","1") = "7"
    & skf18("2","5","8","7","1","9","1") = "8"
    & skf18("2","5","8","7","1","10","1") = "9"
    & skf18("2","5","8","7","2","1","1") = "7"
    & skf18("2","5","8","7","2","2","1") = "7"
    & skf18("2","5","8","7","2","3","1") = "7"
    & skf18("2","5","8","7","2","4","1") = "7"
    & skf18("2","5","8","7","2","5","1") = "7"
    & skf18("2","5","8","7","2","6","1") = "7"
    & skf18("2","5","8","7","2","7","1") = "7"
    & skf18("2","5","8","7","2","8","1") = "7"
    & skf18("2","5","8","7","2","9","1") = "8"
    & skf18("2","5","8","7","2","10","1") = "9"
    & skf18("2","5","8","7","3","1","1") = "7"
    & skf18("2","5","8","7","3","2","1") = "7"
    & skf18("2","5","8","7","3","3","1") = "7"
    & skf18("2","5","8","7","3","4","1") = "7"
    & skf18("2","5","8","7","3","5","1") = "7"
    & skf18("2","5","8","7","3","6","1") = "7"
    & skf18("2","5","8","7","3","7","1") = "7"
    & skf18("2","5","8","7","3","8","1") = "7"
    & skf18("2","5","8","7","3","9","1") = "8"
    & skf18("2","5","8","7","3","10","1") = "9"
    & skf18("2","5","8","7","4","1","1") = "7"
    & skf18("2","5","8","7","4","2","1") = "7"
    & skf18("2","5","8","7","4","3","1") = "7"
    & skf18("2","5","8","7","4","4","1") = "7"
    & skf18("2","5","8","7","4","5","1") = "7"
    & skf18("2","5","8","7","4","6","1") = "7"
    & skf18("2","5","8","7","4","7","1") = "7"
    & skf18("2","5","8","7","4","8","1") = "7"
    & skf18("2","5","8","7","4","9","1") = "8"
    & skf18("2","5","8","7","4","10","1") = "9"
    & skf18("2","5","8","7","5","1","1") = "7"
    & skf18("2","5","8","7","5","2","1") = "7"
    & skf18("2","5","8","7","5","3","1") = "7"
    & skf18("2","5","8","7","5","4","1") = "7"
    & skf18("2","5","8","7","5","5","1") = "7"
    & skf18("2","5","8","7","5","6","1") = "7"
    & skf18("2","5","8","7","5","7","1") = "7"
    & skf18("2","5","8","7","5","8","1") = "7"
    & skf18("2","5","8","7","5","9","1") = "8"
    & skf18("2","5","8","7","5","10","1") = "9"
    & skf18("2","5","8","7","6","1","1") = "7"
    & skf18("2","5","8","7","6","2","1") = "7"
    & skf18("2","5","8","7","6","3","1") = "7"
    & skf18("2","5","8","7","6","4","1") = "7"
    & skf18("2","5","8","7","6","5","1") = "7"
    & skf18("2","5","8","7","6","6","1") = "7"
    & skf18("2","5","8","7","6","7","1") = "7"
    & skf18("2","5","8","7","6","8","1") = "7"
    & skf18("2","5","8","7","6","9","1") = "8"
    & skf18("2","5","8","7","6","10","1") = "9"
    & skf18("2","5","8","7","7","1","1") = "7"
    & skf18("2","5","8","7","7","2","1") = "7"
    & skf18("2","5","8","7","7","3","1") = "7"
    & skf18("2","5","8","7","7","4","1") = "7"
    & skf18("2","5","8","7","7","5","1") = "7"
    & skf18("2","5","8","7","7","6","1") = "7"
    & skf18("2","5","8","7","7","7","1") = "7"
    & skf18("2","5","8","7","7","8","1") = "7"
    & skf18("2","5","8","7","7","9","1") = "8"
    & skf18("2","5","8","7","7","10","1") = "9"
    & skf18("2","5","8","7","8","1","1") = "7"
    & skf18("2","5","8","7","8","2","1") = "7"
    & skf18("2","5","8","7","8","3","1") = "7"
    & skf18("2","5","8","7","8","4","1") = "7"
    & skf18("2","5","8","7","8","5","1") = "7"
    & skf18("2","5","8","7","8","6","1") = "7"
    & skf18("2","5","8","7","8","7","1") = "7"
    & skf18("2","5","8","7","8","8","1") = "7"
    & skf18("2","5","8","7","8","9","1") = "8"
    & skf18("2","5","8","7","8","10","1") = "9"
    & skf18("2","5","8","7","9","1","1") = "8"
    & skf18("2","5","8","7","9","2","1") = "8"
    & skf18("2","5","8","7","9","3","1") = "8"
    & skf18("2","5","8","7","9","4","1") = "8"
    & skf18("2","5","8","7","9","5","1") = "8"
    & skf18("2","5","8","7","9","6","1") = "8"
    & skf18("2","5","8","7","9","7","1") = "8"
    & skf18("2","5","8","7","9","8","1") = "8"
    & skf18("2","5","8","7","9","9","1") = "8"
    & skf18("2","5","8","7","9","10","1") = "9"
    & skf18("2","5","8","7","10","1","1") = "9"
    & skf18("2","5","8","7","10","2","1") = "9"
    & skf18("2","5","8","7","10","3","1") = "9"
    & skf18("2","5","8","7","10","4","1") = "9"
    & skf18("2","5","8","7","10","5","1") = "9"
    & skf18("2","5","8","7","10","6","1") = "9"
    & skf18("2","5","8","7","10","7","1") = "9"
    & skf18("2","5","8","7","10","8","1") = "9"
    & skf18("2","5","8","7","10","9","1") = "9"
    & skf18("2","5","8","7","10","10","1") = "9"
    & skf18("2","5","8","8","1","1","1") = "7"
    & skf18("2","5","8","8","1","2","1") = "7"
    & skf18("2","5","8","8","1","3","1") = "7"
    & skf18("2","5","8","8","1","4","1") = "7"
    & skf18("2","5","8","8","1","5","1") = "7"
    & skf18("2","5","8","8","1","6","1") = "7"
    & skf18("2","5","8","8","1","7","1") = "7"
    & skf18("2","5","8","8","1","8","1") = "7"
    & skf18("2","5","8","8","1","9","1") = "8"
    & skf18("2","5","8","8","1","10","1") = "9"
    & skf18("2","5","8","8","2","1","1") = "7"
    & skf18("2","5","8","8","2","2","1") = "7"
    & skf18("2","5","8","8","2","3","1") = "7"
    & skf18("2","5","8","8","2","4","1") = "7"
    & skf18("2","5","8","8","2","5","1") = "7"
    & skf18("2","5","8","8","2","6","1") = "7"
    & skf18("2","5","8","8","2","7","1") = "7"
    & skf18("2","5","8","8","2","8","1") = "7"
    & skf18("2","5","8","8","2","9","1") = "8"
    & skf18("2","5","8","8","2","10","1") = "9"
    & skf18("2","5","8","8","3","1","1") = "7"
    & skf18("2","5","8","8","3","2","1") = "7"
    & skf18("2","5","8","8","3","3","1") = "7"
    & skf18("2","5","8","8","3","4","1") = "7"
    & skf18("2","5","8","8","3","5","1") = "7"
    & skf18("2","5","8","8","3","6","1") = "7"
    & skf18("2","5","8","8","3","7","1") = "7"
    & skf18("2","5","8","8","3","8","1") = "7"
    & skf18("2","5","8","8","3","9","1") = "8"
    & skf18("2","5","8","8","3","10","1") = "9"
    & skf18("2","5","8","8","4","1","1") = "7"
    & skf18("2","5","8","8","4","2","1") = "7"
    & skf18("2","5","8","8","4","3","1") = "7"
    & skf18("2","5","8","8","4","4","1") = "7"
    & skf18("2","5","8","8","4","5","1") = "7"
    & skf18("2","5","8","8","4","6","1") = "7"
    & skf18("2","5","8","8","4","7","1") = "7"
    & skf18("2","5","8","8","4","8","1") = "7"
    & skf18("2","5","8","8","4","9","1") = "8"
    & skf18("2","5","8","8","4","10","1") = "9"
    & skf18("2","5","8","8","5","1","1") = "7"
    & skf18("2","5","8","8","5","2","1") = "7"
    & skf18("2","5","8","8","5","3","1") = "7"
    & skf18("2","5","8","8","5","4","1") = "7"
    & skf18("2","5","8","8","5","5","1") = "7"
    & skf18("2","5","8","8","5","6","1") = "7"
    & skf18("2","5","8","8","5","7","1") = "7"
    & skf18("2","5","8","8","5","8","1") = "7"
    & skf18("2","5","8","8","5","9","1") = "8"
    & skf18("2","5","8","8","5","10","1") = "9"
    & skf18("2","5","8","8","6","1","1") = "7"
    & skf18("2","5","8","8","6","2","1") = "7"
    & skf18("2","5","8","8","6","3","1") = "7"
    & skf18("2","5","8","8","6","4","1") = "7"
    & skf18("2","5","8","8","6","5","1") = "7"
    & skf18("2","5","8","8","6","6","1") = "7"
    & skf18("2","5","8","8","6","7","1") = "7"
    & skf18("2","5","8","8","6","8","1") = "7"
    & skf18("2","5","8","8","6","9","1") = "8"
    & skf18("2","5","8","8","6","10","1") = "9"
    & skf18("2","5","8","8","7","1","1") = "7"
    & skf18("2","5","8","8","7","2","1") = "7"
    & skf18("2","5","8","8","7","3","1") = "7"
    & skf18("2","5","8","8","7","4","1") = "7"
    & skf18("2","5","8","8","7","5","1") = "7"
    & skf18("2","5","8","8","7","6","1") = "7"
    & skf18("2","5","8","8","7","7","1") = "7"
    & skf18("2","5","8","8","7","8","1") = "7"
    & skf18("2","5","8","8","7","9","1") = "8"
    & skf18("2","5","8","8","7","10","1") = "9"
    & skf18("2","5","8","8","8","1","1") = "7"
    & skf18("2","5","8","8","8","2","1") = "7"
    & skf18("2","5","8","8","8","3","1") = "7"
    & skf18("2","5","8","8","8","4","1") = "7"
    & skf18("2","5","8","8","8","5","1") = "7"
    & skf18("2","5","8","8","8","6","1") = "7"
    & skf18("2","5","8","8","8","7","1") = "7"
    & skf18("2","5","8","8","8","8","1") = "7"
    & skf18("2","5","8","8","8","9","1") = "8"
    & skf18("2","5","8","8","8","10","1") = "9"
    & skf18("2","5","8","8","9","1","1") = "8"
    & skf18("2","5","8","8","9","2","1") = "8"
    & skf18("2","5","8","8","9","3","1") = "8"
    & skf18("2","5","8","8","9","4","1") = "8"
    & skf18("2","5","8","8","9","5","1") = "8"
    & skf18("2","5","8","8","9","6","1") = "8"
    & skf18("2","5","8","8","9","7","1") = "8"
    & skf18("2","5","8","8","9","8","1") = "8"
    & skf18("2","5","8","8","9","9","1") = "8"
    & skf18("2","5","8","8","9","10","1") = "9"
    & skf18("2","5","8","8","10","1","1") = "9"
    & skf18("2","5","8","8","10","2","1") = "9"
    & skf18("2","5","8","8","10","3","1") = "9"
    & skf18("2","5","8","8","10","4","1") = "9"
    & skf18("2","5","8","8","10","5","1") = "9"
    & skf18("2","5","8","8","10","6","1") = "9"
    & skf18("2","5","8","8","10","7","1") = "9"
    & skf18("2","5","8","8","10","8","1") = "9"
    & skf18("2","5","8","8","10","9","1") = "9"
    & skf18("2","5","8","8","10","10","1") = "9"
    & skf18("2","5","8","9","1","1","1") = "8"
    & skf18("2","5","8","9","1","2","1") = "8"
    & skf18("2","5","8","9","1","3","1") = "8"
    & skf18("2","5","8","9","1","4","1") = "8"
    & skf18("2","5","8","9","1","5","1") = "8"
    & skf18("2","5","8","9","1","6","1") = "8"
    & skf18("2","5","8","9","1","7","1") = "8"
    & skf18("2","5","8","9","1","8","1") = "8"
    & skf18("2","5","8","9","1","9","1") = "8"
    & skf18("2","5","8","9","1","10","1") = "9"
    & skf18("2","5","8","9","2","1","1") = "8"
    & skf18("2","5","8","9","2","2","1") = "8"
    & skf18("2","5","8","9","2","3","1") = "8"
    & skf18("2","5","8","9","2","4","1") = "8"
    & skf18("2","5","8","9","2","5","1") = "8"
    & skf18("2","5","8","9","2","6","1") = "8"
    & skf18("2","5","8","9","2","7","1") = "8"
    & skf18("2","5","8","9","2","8","1") = "8"
    & skf18("2","5","8","9","2","9","1") = "8"
    & skf18("2","5","8","9","2","10","1") = "9"
    & skf18("2","5","8","9","3","1","1") = "8"
    & skf18("2","5","8","9","3","2","1") = "8"
    & skf18("2","5","8","9","3","3","1") = "8"
    & skf18("2","5","8","9","3","4","1") = "8"
    & skf18("2","5","8","9","3","5","1") = "8"
    & skf18("2","5","8","9","3","6","1") = "8"
    & skf18("2","5","8","9","3","7","1") = "8"
    & skf18("2","5","8","9","3","8","1") = "8"
    & skf18("2","5","8","9","3","9","1") = "8"
    & skf18("2","5","8","9","3","10","1") = "9"
    & skf18("2","5","8","9","4","1","1") = "8"
    & skf18("2","5","8","9","4","2","1") = "8"
    & skf18("2","5","8","9","4","3","1") = "8"
    & skf18("2","5","8","9","4","4","1") = "8"
    & skf18("2","5","8","9","4","5","1") = "8"
    & skf18("2","5","8","9","4","6","1") = "8"
    & skf18("2","5","8","9","4","7","1") = "8"
    & skf18("2","5","8","9","4","8","1") = "8"
    & skf18("2","5","8","9","4","9","1") = "8"
    & skf18("2","5","8","9","4","10","1") = "9"
    & skf18("2","5","8","9","5","1","1") = "8"
    & skf18("2","5","8","9","5","2","1") = "8"
    & skf18("2","5","8","9","5","3","1") = "8"
    & skf18("2","5","8","9","5","4","1") = "8"
    & skf18("2","5","8","9","5","5","1") = "8"
    & skf18("2","5","8","9","5","6","1") = "8"
    & skf18("2","5","8","9","5","7","1") = "8"
    & skf18("2","5","8","9","5","8","1") = "8"
    & skf18("2","5","8","9","5","9","1") = "8"
    & skf18("2","5","8","9","5","10","1") = "9"
    & skf18("2","5","8","9","6","1","1") = "8"
    & skf18("2","5","8","9","6","2","1") = "8"
    & skf18("2","5","8","9","6","3","1") = "8"
    & skf18("2","5","8","9","6","4","1") = "8"
    & skf18("2","5","8","9","6","5","1") = "8"
    & skf18("2","5","8","9","6","6","1") = "8"
    & skf18("2","5","8","9","6","7","1") = "8"
    & skf18("2","5","8","9","6","8","1") = "8"
    & skf18("2","5","8","9","6","9","1") = "8"
    & skf18("2","5","8","9","6","10","1") = "9"
    & skf18("2","5","8","9","7","1","1") = "8"
    & skf18("2","5","8","9","7","2","1") = "8"
    & skf18("2","5","8","9","7","3","1") = "8"
    & skf18("2","5","8","9","7","4","1") = "8"
    & skf18("2","5","8","9","7","5","1") = "8"
    & skf18("2","5","8","9","7","6","1") = "8"
    & skf18("2","5","8","9","7","7","1") = "8"
    & skf18("2","5","8","9","7","8","1") = "8"
    & skf18("2","5","8","9","7","9","1") = "8"
    & skf18("2","5","8","9","7","10","1") = "9"
    & skf18("2","5","8","9","8","1","1") = "8"
    & skf18("2","5","8","9","8","2","1") = "8"
    & skf18("2","5","8","9","8","3","1") = "8"
    & skf18("2","5","8","9","8","4","1") = "8"
    & skf18("2","5","8","9","8","5","1") = "8"
    & skf18("2","5","8","9","8","6","1") = "8"
    & skf18("2","5","8","9","8","7","1") = "8"
    & skf18("2","5","8","9","8","8","1") = "8"
    & skf18("2","5","8","9","8","9","1") = "8"
    & skf18("2","5","8","9","8","10","1") = "9"
    & skf18("2","5","8","9","9","1","1") = "8"
    & skf18("2","5","8","9","9","2","1") = "8"
    & skf18("2","5","8","9","9","3","1") = "8"
    & skf18("2","5","8","9","9","4","1") = "8"
    & skf18("2","5","8","9","9","5","1") = "8"
    & skf18("2","5","8","9","9","6","1") = "8"
    & skf18("2","5","8","9","9","7","1") = "8"
    & skf18("2","5","8","9","9","8","1") = "8"
    & skf18("2","5","8","9","9","9","1") = "8"
    & skf18("2","5","8","9","9","10","1") = "9"
    & skf18("2","5","8","9","10","1","1") = "9"
    & skf18("2","5","8","9","10","2","1") = "9"
    & skf18("2","5","8","9","10","3","1") = "9"
    & skf18("2","5","8","9","10","4","1") = "9"
    & skf18("2","5","8","9","10","5","1") = "9"
    & skf18("2","5","8","9","10","6","1") = "9"
    & skf18("2","5","8","9","10","7","1") = "9"
    & skf18("2","5","8","9","10","8","1") = "9"
    & skf18("2","5","8","9","10","9","1") = "9"
    & skf18("2","5","8","9","10","10","1") = "9"
    & skf18("2","5","8","10","1","1","1") = "9"
    & skf18("2","5","8","10","1","2","1") = "9"
    & skf18("2","5","8","10","1","3","1") = "9"
    & skf18("2","5","8","10","1","4","1") = "9"
    & skf18("2","5","8","10","1","5","1") = "9"
    & skf18("2","5","8","10","1","6","1") = "9"
    & skf18("2","5","8","10","1","7","1") = "9"
    & skf18("2","5","8","10","1","8","1") = "9"
    & skf18("2","5","8","10","1","9","1") = "9"
    & skf18("2","5","8","10","1","10","1") = "9"
    & skf18("2","5","8","10","2","1","1") = "9"
    & skf18("2","5","8","10","2","2","1") = "9"
    & skf18("2","5","8","10","2","3","1") = "9"
    & skf18("2","5","8","10","2","4","1") = "9"
    & skf18("2","5","8","10","2","5","1") = "9"
    & skf18("2","5","8","10","2","6","1") = "9"
    & skf18("2","5","8","10","2","7","1") = "9"
    & skf18("2","5","8","10","2","8","1") = "9"
    & skf18("2","5","8","10","2","9","1") = "9"
    & skf18("2","5","8","10","2","10","1") = "9"
    & skf18("2","5","8","10","3","1","1") = "9"
    & skf18("2","5","8","10","3","2","1") = "9"
    & skf18("2","5","8","10","3","3","1") = "9"
    & skf18("2","5","8","10","3","4","1") = "9"
    & skf18("2","5","8","10","3","5","1") = "9"
    & skf18("2","5","8","10","3","6","1") = "9"
    & skf18("2","5","8","10","3","7","1") = "9"
    & skf18("2","5","8","10","3","8","1") = "9"
    & skf18("2","5","8","10","3","9","1") = "9"
    & skf18("2","5","8","10","3","10","1") = "9"
    & skf18("2","5","8","10","4","1","1") = "9"
    & skf18("2","5","8","10","4","2","1") = "9"
    & skf18("2","5","8","10","4","3","1") = "9"
    & skf18("2","5","8","10","4","4","1") = "9"
    & skf18("2","5","8","10","4","5","1") = "9"
    & skf18("2","5","8","10","4","6","1") = "9"
    & skf18("2","5","8","10","4","7","1") = "9"
    & skf18("2","5","8","10","4","8","1") = "9"
    & skf18("2","5","8","10","4","9","1") = "9"
    & skf18("2","5","8","10","4","10","1") = "9"
    & skf18("2","5","8","10","5","1","1") = "9"
    & skf18("2","5","8","10","5","2","1") = "9"
    & skf18("2","5","8","10","5","3","1") = "9"
    & skf18("2","5","8","10","5","4","1") = "9"
    & skf18("2","5","8","10","5","5","1") = "9"
    & skf18("2","5","8","10","5","6","1") = "9"
    & skf18("2","5","8","10","5","7","1") = "9"
    & skf18("2","5","8","10","5","8","1") = "9"
    & skf18("2","5","8","10","5","9","1") = "9"
    & skf18("2","5","8","10","5","10","1") = "9"
    & skf18("2","5","8","10","6","1","1") = "9"
    & skf18("2","5","8","10","6","2","1") = "9"
    & skf18("2","5","8","10","6","3","1") = "9"
    & skf18("2","5","8","10","6","4","1") = "9"
    & skf18("2","5","8","10","6","5","1") = "9"
    & skf18("2","5","8","10","6","6","1") = "9"
    & skf18("2","5","8","10","6","7","1") = "9"
    & skf18("2","5","8","10","6","8","1") = "9"
    & skf18("2","5","8","10","6","9","1") = "9"
    & skf18("2","5","8","10","6","10","1") = "9"
    & skf18("2","5","8","10","7","1","1") = "9"
    & skf18("2","5","8","10","7","2","1") = "9"
    & skf18("2","5","8","10","7","3","1") = "9"
    & skf18("2","5","8","10","7","4","1") = "9"
    & skf18("2","5","8","10","7","5","1") = "9"
    & skf18("2","5","8","10","7","6","1") = "9"
    & skf18("2","5","8","10","7","7","1") = "9"
    & skf18("2","5","8","10","7","8","1") = "9"
    & skf18("2","5","8","10","7","9","1") = "9"
    & skf18("2","5","8","10","7","10","1") = "9"
    & skf18("2","5","8","10","8","1","1") = "9"
    & skf18("2","5","8","10","8","2","1") = "9"
    & skf18("2","5","8","10","8","3","1") = "9"
    & skf18("2","5","8","10","8","4","1") = "9"
    & skf18("2","5","8","10","8","5","1") = "9"
    & skf18("2","5","8","10","8","6","1") = "9"
    & skf18("2","5","8","10","8","7","1") = "9"
    & skf18("2","5","8","10","8","8","1") = "9"
    & skf18("2","5","8","10","8","9","1") = "9"
    & skf18("2","5","8","10","8","10","1") = "9"
    & skf18("2","5","8","10","9","1","1") = "9"
    & skf18("2","5","8","10","9","2","1") = "9"
    & skf18("2","5","8","10","9","3","1") = "9"
    & skf18("2","5","8","10","9","4","1") = "9"
    & skf18("2","5","8","10","9","5","1") = "9"
    & skf18("2","5","8","10","9","6","1") = "9"
    & skf18("2","5","8","10","9","7","1") = "9"
    & skf18("2","5","8","10","9","8","1") = "9"
    & skf18("2","5","8","10","9","9","1") = "9"
    & skf18("2","5","8","10","9","10","1") = "9"
    & skf18("2","5","8","10","10","1","1") = "9"
    & skf18("2","5","8","10","10","2","1") = "9"
    & skf18("2","5","8","10","10","3","1") = "9"
    & skf18("2","5","8","10","10","4","1") = "9"
    & skf18("2","5","8","10","10","5","1") = "9"
    & skf18("2","5","8","10","10","6","1") = "9"
    & skf18("2","5","8","10","10","7","1") = "9"
    & skf18("2","5","8","10","10","8","1") = "9"
    & skf18("2","5","8","10","10","9","1") = "9"
    & skf18("2","5","8","10","10","10","1") = "9"
    & skf18("2","5","9","1","1","1","1") = "8"
    & skf18("2","5","9","1","1","2","1") = "8"
    & skf18("2","5","9","1","1","3","1") = "8"
    & skf18("2","5","9","1","1","4","1") = "8"
    & skf18("2","5","9","1","1","5","1") = "8"
    & skf18("2","5","9","1","1","6","1") = "8"
    & skf18("2","5","9","1","1","7","1") = "8"
    & skf18("2","5","9","1","1","8","1") = "8"
    & skf18("2","5","9","1","1","9","1") = "8"
    & skf18("2","5","9","1","1","10","1") = "9"
    & skf18("2","5","9","1","2","1","1") = "8"
    & skf18("2","5","9","1","2","2","1") = "8"
    & skf18("2","5","9","1","2","3","1") = "8"
    & skf18("2","5","9","1","2","4","1") = "8"
    & skf18("2","5","9","1","2","5","1") = "8"
    & skf18("2","5","9","1","2","6","1") = "8"
    & skf18("2","5","9","1","2","7","1") = "8"
    & skf18("2","5","9","1","2","8","1") = "8"
    & skf18("2","5","9","1","2","9","1") = "8"
    & skf18("2","5","9","1","2","10","1") = "9"
    & skf18("2","5","9","1","3","1","1") = "8"
    & skf18("2","5","9","1","3","2","1") = "8"
    & skf18("2","5","9","1","3","3","1") = "8"
    & skf18("2","5","9","1","3","4","1") = "8"
    & skf18("2","5","9","1","3","5","1") = "8"
    & skf18("2","5","9","1","3","6","1") = "8"
    & skf18("2","5","9","1","3","7","1") = "8"
    & skf18("2","5","9","1","3","8","1") = "8"
    & skf18("2","5","9","1","3","9","1") = "8"
    & skf18("2","5","9","1","3","10","1") = "9"
    & skf18("2","5","9","1","4","1","1") = "8"
    & skf18("2","5","9","1","4","2","1") = "8"
    & skf18("2","5","9","1","4","3","1") = "8"
    & skf18("2","5","9","1","4","4","1") = "8"
    & skf18("2","5","9","1","4","5","1") = "8"
    & skf18("2","5","9","1","4","6","1") = "8"
    & skf18("2","5","9","1","4","7","1") = "8"
    & skf18("2","5","9","1","4","8","1") = "8"
    & skf18("2","5","9","1","4","9","1") = "8"
    & skf18("2","5","9","1","4","10","1") = "9"
    & skf18("2","5","9","1","5","1","1") = "8"
    & skf18("2","5","9","1","5","2","1") = "8"
    & skf18("2","5","9","1","5","3","1") = "8"
    & skf18("2","5","9","1","5","4","1") = "8"
    & skf18("2","5","9","1","5","5","1") = "8"
    & skf18("2","5","9","1","5","6","1") = "8"
    & skf18("2","5","9","1","5","7","1") = "8"
    & skf18("2","5","9","1","5","8","1") = "8"
    & skf18("2","5","9","1","5","9","1") = "8"
    & skf18("2","5","9","1","5","10","1") = "9"
    & skf18("2","5","9","1","6","1","1") = "8"
    & skf18("2","5","9","1","6","2","1") = "8"
    & skf18("2","5","9","1","6","3","1") = "8"
    & skf18("2","5","9","1","6","4","1") = "8"
    & skf18("2","5","9","1","6","5","1") = "8"
    & skf18("2","5","9","1","6","6","1") = "8"
    & skf18("2","5","9","1","6","7","1") = "8"
    & skf18("2","5","9","1","6","8","1") = "8"
    & skf18("2","5","9","1","6","9","1") = "8"
    & skf18("2","5","9","1","6","10","1") = "9"
    & skf18("2","5","9","1","7","1","1") = "8"
    & skf18("2","5","9","1","7","2","1") = "8"
    & skf18("2","5","9","1","7","3","1") = "8"
    & skf18("2","5","9","1","7","4","1") = "8"
    & skf18("2","5","9","1","7","5","1") = "8"
    & skf18("2","5","9","1","7","6","1") = "8"
    & skf18("2","5","9","1","7","7","1") = "8"
    & skf18("2","5","9","1","7","8","1") = "8"
    & skf18("2","5","9","1","7","9","1") = "8"
    & skf18("2","5","9","1","7","10","1") = "9"
    & skf18("2","5","9","1","8","1","1") = "8"
    & skf18("2","5","9","1","8","2","1") = "8"
    & skf18("2","5","9","1","8","3","1") = "8"
    & skf18("2","5","9","1","8","4","1") = "8"
    & skf18("2","5","9","1","8","5","1") = "8"
    & skf18("2","5","9","1","8","6","1") = "8"
    & skf18("2","5","9","1","8","7","1") = "8"
    & skf18("2","5","9","1","8","8","1") = "8"
    & skf18("2","5","9","1","8","9","1") = "8"
    & skf18("2","5","9","1","8","10","1") = "9"
    & skf18("2","5","9","1","9","1","1") = "8"
    & skf18("2","5","9","1","9","2","1") = "8"
    & skf18("2","5","9","1","9","3","1") = "8"
    & skf18("2","5","9","1","9","4","1") = "8"
    & skf18("2","5","9","1","9","5","1") = "8"
    & skf18("2","5","9","1","9","6","1") = "8"
    & skf18("2","5","9","1","9","7","1") = "8"
    & skf18("2","5","9","1","9","8","1") = "8"
    & skf18("2","5","9","1","9","9","1") = "8"
    & skf18("2","5","9","1","9","10","1") = "9"
    & skf18("2","5","9","1","10","1","1") = "9"
    & skf18("2","5","9","1","10","2","1") = "9"
    & skf18("2","5","9","1","10","3","1") = "9"
    & skf18("2","5","9","1","10","4","1") = "9"
    & skf18("2","5","9","1","10","5","1") = "9"
    & skf18("2","5","9","1","10","6","1") = "9"
    & skf18("2","5","9","1","10","7","1") = "9"
    & skf18("2","5","9","1","10","8","1") = "9"
    & skf18("2","5","9","1","10","9","1") = "9"
    & skf18("2","5","9","1","10","10","1") = "9"
    & skf18("2","5","9","2","1","1","1") = "8"
    & skf18("2","5","9","2","1","2","1") = "8"
    & skf18("2","5","9","2","1","3","1") = "8"
    & skf18("2","5","9","2","1","4","1") = "8"
    & skf18("2","5","9","2","1","5","1") = "8"
    & skf18("2","5","9","2","1","6","1") = "8"
    & skf18("2","5","9","2","1","7","1") = "8"
    & skf18("2","5","9","2","1","8","1") = "8"
    & skf18("2","5","9","2","1","9","1") = "8"
    & skf18("2","5","9","2","1","10","1") = "9"
    & skf18("2","5","9","2","2","1","1") = "8"
    & skf18("2","5","9","2","2","2","1") = "8"
    & skf18("2","5","9","2","2","3","1") = "8"
    & skf18("2","5","9","2","2","4","1") = "8"
    & skf18("2","5","9","2","2","5","1") = "8"
    & skf18("2","5","9","2","2","6","1") = "8"
    & skf18("2","5","9","2","2","7","1") = "8"
    & skf18("2","5","9","2","2","8","1") = "8"
    & skf18("2","5","9","2","2","9","1") = "8"
    & skf18("2","5","9","2","2","10","1") = "9"
    & skf18("2","5","9","2","3","1","1") = "8"
    & skf18("2","5","9","2","3","2","1") = "8"
    & skf18("2","5","9","2","3","3","1") = "8"
    & skf18("2","5","9","2","3","4","1") = "8"
    & skf18("2","5","9","2","3","5","1") = "8"
    & skf18("2","5","9","2","3","6","1") = "8"
    & skf18("2","5","9","2","3","7","1") = "8"
    & skf18("2","5","9","2","3","8","1") = "8"
    & skf18("2","5","9","2","3","9","1") = "8"
    & skf18("2","5","9","2","3","10","1") = "9"
    & skf18("2","5","9","2","4","1","1") = "8"
    & skf18("2","5","9","2","4","2","1") = "8"
    & skf18("2","5","9","2","4","3","1") = "8"
    & skf18("2","5","9","2","4","4","1") = "8"
    & skf18("2","5","9","2","4","5","1") = "8"
    & skf18("2","5","9","2","4","6","1") = "8"
    & skf18("2","5","9","2","4","7","1") = "8"
    & skf18("2","5","9","2","4","8","1") = "8"
    & skf18("2","5","9","2","4","9","1") = "8"
    & skf18("2","5","9","2","4","10","1") = "9"
    & skf18("2","5","9","2","5","1","1") = "8"
    & skf18("2","5","9","2","5","2","1") = "8"
    & skf18("2","5","9","2","5","3","1") = "8"
    & skf18("2","5","9","2","5","4","1") = "8"
    & skf18("2","5","9","2","5","5","1") = "8"
    & skf18("2","5","9","2","5","6","1") = "8"
    & skf18("2","5","9","2","5","7","1") = "8"
    & skf18("2","5","9","2","5","8","1") = "8"
    & skf18("2","5","9","2","5","9","1") = "8"
    & skf18("2","5","9","2","5","10","1") = "9"
    & skf18("2","5","9","2","6","1","1") = "8"
    & skf18("2","5","9","2","6","2","1") = "8"
    & skf18("2","5","9","2","6","3","1") = "8"
    & skf18("2","5","9","2","6","4","1") = "8"
    & skf18("2","5","9","2","6","5","1") = "8"
    & skf18("2","5","9","2","6","6","1") = "8"
    & skf18("2","5","9","2","6","7","1") = "8"
    & skf18("2","5","9","2","6","8","1") = "8"
    & skf18("2","5","9","2","6","9","1") = "8"
    & skf18("2","5","9","2","6","10","1") = "9"
    & skf18("2","5","9","2","7","1","1") = "8"
    & skf18("2","5","9","2","7","2","1") = "8"
    & skf18("2","5","9","2","7","3","1") = "8"
    & skf18("2","5","9","2","7","4","1") = "8"
    & skf18("2","5","9","2","7","5","1") = "8"
    & skf18("2","5","9","2","7","6","1") = "8"
    & skf18("2","5","9","2","7","7","1") = "8"
    & skf18("2","5","9","2","7","8","1") = "8"
    & skf18("2","5","9","2","7","9","1") = "8"
    & skf18("2","5","9","2","7","10","1") = "9"
    & skf18("2","5","9","2","8","1","1") = "8"
    & skf18("2","5","9","2","8","2","1") = "8"
    & skf18("2","5","9","2","8","3","1") = "8"
    & skf18("2","5","9","2","8","4","1") = "8"
    & skf18("2","5","9","2","8","5","1") = "8"
    & skf18("2","5","9","2","8","6","1") = "8"
    & skf18("2","5","9","2","8","7","1") = "8"
    & skf18("2","5","9","2","8","8","1") = "8"
    & skf18("2","5","9","2","8","9","1") = "8"
    & skf18("2","5","9","2","8","10","1") = "9"
    & skf18("2","5","9","2","9","1","1") = "8"
    & skf18("2","5","9","2","9","2","1") = "8"
    & skf18("2","5","9","2","9","3","1") = "8"
    & skf18("2","5","9","2","9","4","1") = "8"
    & skf18("2","5","9","2","9","5","1") = "8"
    & skf18("2","5","9","2","9","6","1") = "8"
    & skf18("2","5","9","2","9","7","1") = "8"
    & skf18("2","5","9","2","9","8","1") = "8"
    & skf18("2","5","9","2","9","9","1") = "8"
    & skf18("2","5","9","2","9","10","1") = "9"
    & skf18("2","5","9","2","10","1","1") = "9"
    & skf18("2","5","9","2","10","2","1") = "9"
    & skf18("2","5","9","2","10","3","1") = "9"
    & skf18("2","5","9","2","10","4","1") = "9"
    & skf18("2","5","9","2","10","5","1") = "9"
    & skf18("2","5","9","2","10","6","1") = "9"
    & skf18("2","5","9","2","10","7","1") = "9"
    & skf18("2","5","9","2","10","8","1") = "9"
    & skf18("2","5","9","2","10","9","1") = "9"
    & skf18("2","5","9","2","10","10","1") = "9"
    & skf18("2","5","9","3","1","1","1") = "8"
    & skf18("2","5","9","3","1","2","1") = "8"
    & skf18("2","5","9","3","1","3","1") = "8"
    & skf18("2","5","9","3","1","4","1") = "8"
    & skf18("2","5","9","3","1","5","1") = "8"
    & skf18("2","5","9","3","1","6","1") = "8"
    & skf18("2","5","9","3","1","7","1") = "8"
    & skf18("2","5","9","3","1","8","1") = "8"
    & skf18("2","5","9","3","1","9","1") = "8"
    & skf18("2","5","9","3","1","10","1") = "9"
    & skf18("2","5","9","3","2","1","1") = "8"
    & skf18("2","5","9","3","2","2","1") = "8"
    & skf18("2","5","9","3","2","3","1") = "8"
    & skf18("2","5","9","3","2","4","1") = "8"
    & skf18("2","5","9","3","2","5","1") = "8"
    & skf18("2","5","9","3","2","6","1") = "8"
    & skf18("2","5","9","3","2","7","1") = "8"
    & skf18("2","5","9","3","2","8","1") = "8"
    & skf18("2","5","9","3","2","9","1") = "8"
    & skf18("2","5","9","3","2","10","1") = "9"
    & skf18("2","5","9","3","3","1","1") = "8"
    & skf18("2","5","9","3","3","2","1") = "8"
    & skf18("2","5","9","3","3","3","1") = "8"
    & skf18("2","5","9","3","3","4","1") = "8"
    & skf18("2","5","9","3","3","5","1") = "8"
    & skf18("2","5","9","3","3","6","1") = "8"
    & skf18("2","5","9","3","3","7","1") = "8"
    & skf18("2","5","9","3","3","8","1") = "8"
    & skf18("2","5","9","3","3","9","1") = "8"
    & skf18("2","5","9","3","3","10","1") = "9"
    & skf18("2","5","9","3","4","1","1") = "8"
    & skf18("2","5","9","3","4","2","1") = "8"
    & skf18("2","5","9","3","4","3","1") = "8"
    & skf18("2","5","9","3","4","4","1") = "8"
    & skf18("2","5","9","3","4","5","1") = "8"
    & skf18("2","5","9","3","4","6","1") = "8"
    & skf18("2","5","9","3","4","7","1") = "8"
    & skf18("2","5","9","3","4","8","1") = "8"
    & skf18("2","5","9","3","4","9","1") = "8"
    & skf18("2","5","9","3","4","10","1") = "9"
    & skf18("2","5","9","3","5","1","1") = "8"
    & skf18("2","5","9","3","5","2","1") = "8"
    & skf18("2","5","9","3","5","3","1") = "8"
    & skf18("2","5","9","3","5","4","1") = "8"
    & skf18("2","5","9","3","5","5","1") = "8"
    & skf18("2","5","9","3","5","6","1") = "8"
    & skf18("2","5","9","3","5","7","1") = "8"
    & skf18("2","5","9","3","5","8","1") = "8"
    & skf18("2","5","9","3","5","9","1") = "8"
    & skf18("2","5","9","3","5","10","1") = "9"
    & skf18("2","5","9","3","6","1","1") = "8"
    & skf18("2","5","9","3","6","2","1") = "8"
    & skf18("2","5","9","3","6","3","1") = "8"
    & skf18("2","5","9","3","6","4","1") = "8"
    & skf18("2","5","9","3","6","5","1") = "8"
    & skf18("2","5","9","3","6","6","1") = "8"
    & skf18("2","5","9","3","6","7","1") = "8"
    & skf18("2","5","9","3","6","8","1") = "8"
    & skf18("2","5","9","3","6","9","1") = "8"
    & skf18("2","5","9","3","6","10","1") = "9"
    & skf18("2","5","9","3","7","1","1") = "8"
    & skf18("2","5","9","3","7","2","1") = "8"
    & skf18("2","5","9","3","7","3","1") = "8"
    & skf18("2","5","9","3","7","4","1") = "8"
    & skf18("2","5","9","3","7","5","1") = "8"
    & skf18("2","5","9","3","7","6","1") = "8"
    & skf18("2","5","9","3","7","7","1") = "8"
    & skf18("2","5","9","3","7","8","1") = "8"
    & skf18("2","5","9","3","7","9","1") = "8"
    & skf18("2","5","9","3","7","10","1") = "9"
    & skf18("2","5","9","3","8","1","1") = "8"
    & skf18("2","5","9","3","8","2","1") = "8"
    & skf18("2","5","9","3","8","3","1") = "8"
    & skf18("2","5","9","3","8","4","1") = "8"
    & skf18("2","5","9","3","8","5","1") = "8"
    & skf18("2","5","9","3","8","6","1") = "8"
    & skf18("2","5","9","3","8","7","1") = "8"
    & skf18("2","5","9","3","8","8","1") = "8"
    & skf18("2","5","9","3","8","9","1") = "8"
    & skf18("2","5","9","3","8","10","1") = "9"
    & skf18("2","5","9","3","9","1","1") = "8"
    & skf18("2","5","9","3","9","2","1") = "8"
    & skf18("2","5","9","3","9","3","1") = "8"
    & skf18("2","5","9","3","9","4","1") = "8"
    & skf18("2","5","9","3","9","5","1") = "8"
    & skf18("2","5","9","3","9","6","1") = "8"
    & skf18("2","5","9","3","9","7","1") = "8"
    & skf18("2","5","9","3","9","8","1") = "8"
    & skf18("2","5","9","3","9","9","1") = "8"
    & skf18("2","5","9","3","9","10","1") = "9"
    & skf18("2","5","9","3","10","1","1") = "9"
    & skf18("2","5","9","3","10","2","1") = "9"
    & skf18("2","5","9","3","10","3","1") = "9"
    & skf18("2","5","9","3","10","4","1") = "9"
    & skf18("2","5","9","3","10","5","1") = "9"
    & skf18("2","5","9","3","10","6","1") = "9"
    & skf18("2","5","9","3","10","7","1") = "9"
    & skf18("2","5","9","3","10","8","1") = "9"
    & skf18("2","5","9","3","10","9","1") = "9"
    & skf18("2","5","9","3","10","10","1") = "9"
    & skf18("2","5","9","4","1","1","1") = "8"
    & skf18("2","5","9","4","1","2","1") = "8"
    & skf18("2","5","9","4","1","3","1") = "8"
    & skf18("2","5","9","4","1","4","1") = "8"
    & skf18("2","5","9","4","1","5","1") = "8"
    & skf18("2","5","9","4","1","6","1") = "8"
    & skf18("2","5","9","4","1","7","1") = "8"
    & skf18("2","5","9","4","1","8","1") = "8"
    & skf18("2","5","9","4","1","9","1") = "8"
    & skf18("2","5","9","4","1","10","1") = "9"
    & skf18("2","5","9","4","2","1","1") = "8"
    & skf18("2","5","9","4","2","2","1") = "8"
    & skf18("2","5","9","4","2","3","1") = "8"
    & skf18("2","5","9","4","2","4","1") = "8"
    & skf18("2","5","9","4","2","5","1") = "8"
    & skf18("2","5","9","4","2","6","1") = "8"
    & skf18("2","5","9","4","2","7","1") = "8"
    & skf18("2","5","9","4","2","8","1") = "8"
    & skf18("2","5","9","4","2","9","1") = "8"
    & skf18("2","5","9","4","2","10","1") = "9"
    & skf18("2","5","9","4","3","1","1") = "8"
    & skf18("2","5","9","4","3","2","1") = "8"
    & skf18("2","5","9","4","3","3","1") = "8"
    & skf18("2","5","9","4","3","4","1") = "8"
    & skf18("2","5","9","4","3","5","1") = "8"
    & skf18("2","5","9","4","3","6","1") = "8"
    & skf18("2","5","9","4","3","7","1") = "8"
    & skf18("2","5","9","4","3","8","1") = "8"
    & skf18("2","5","9","4","3","9","1") = "8"
    & skf18("2","5","9","4","3","10","1") = "9"
    & skf18("2","5","9","4","4","1","1") = "8"
    & skf18("2","5","9","4","4","2","1") = "8"
    & skf18("2","5","9","4","4","3","1") = "8"
    & skf18("2","5","9","4","4","4","1") = "8"
    & skf18("2","5","9","4","4","5","1") = "8"
    & skf18("2","5","9","4","4","6","1") = "8"
    & skf18("2","5","9","4","4","7","1") = "8"
    & skf18("2","5","9","4","4","8","1") = "8"
    & skf18("2","5","9","4","4","9","1") = "8"
    & skf18("2","5","9","4","4","10","1") = "9"
    & skf18("2","5","9","4","5","1","1") = "8"
    & skf18("2","5","9","4","5","2","1") = "8"
    & skf18("2","5","9","4","5","3","1") = "8"
    & skf18("2","5","9","4","5","4","1") = "8"
    & skf18("2","5","9","4","5","5","1") = "8"
    & skf18("2","5","9","4","5","6","1") = "8"
    & skf18("2","5","9","4","5","7","1") = "8"
    & skf18("2","5","9","4","5","8","1") = "8"
    & skf18("2","5","9","4","5","9","1") = "8"
    & skf18("2","5","9","4","5","10","1") = "9"
    & skf18("2","5","9","4","6","1","1") = "8"
    & skf18("2","5","9","4","6","2","1") = "8"
    & skf18("2","5","9","4","6","3","1") = "8"
    & skf18("2","5","9","4","6","4","1") = "8"
    & skf18("2","5","9","4","6","5","1") = "8"
    & skf18("2","5","9","4","6","6","1") = "8"
    & skf18("2","5","9","4","6","7","1") = "8"
    & skf18("2","5","9","4","6","8","1") = "8"
    & skf18("2","5","9","4","6","9","1") = "8"
    & skf18("2","5","9","4","6","10","1") = "9"
    & skf18("2","5","9","4","7","1","1") = "8"
    & skf18("2","5","9","4","7","2","1") = "8"
    & skf18("2","5","9","4","7","3","1") = "8"
    & skf18("2","5","9","4","7","4","1") = "8"
    & skf18("2","5","9","4","7","5","1") = "8"
    & skf18("2","5","9","4","7","6","1") = "8"
    & skf18("2","5","9","4","7","7","1") = "8"
    & skf18("2","5","9","4","7","8","1") = "8"
    & skf18("2","5","9","4","7","9","1") = "8"
    & skf18("2","5","9","4","7","10","1") = "9"
    & skf18("2","5","9","4","8","1","1") = "8"
    & skf18("2","5","9","4","8","2","1") = "8"
    & skf18("2","5","9","4","8","3","1") = "8"
    & skf18("2","5","9","4","8","4","1") = "8"
    & skf18("2","5","9","4","8","5","1") = "8"
    & skf18("2","5","9","4","8","6","1") = "8"
    & skf18("2","5","9","4","8","7","1") = "8"
    & skf18("2","5","9","4","8","8","1") = "8"
    & skf18("2","5","9","4","8","9","1") = "8"
    & skf18("2","5","9","4","8","10","1") = "9"
    & skf18("2","5","9","4","9","1","1") = "8"
    & skf18("2","5","9","4","9","2","1") = "8"
    & skf18("2","5","9","4","9","3","1") = "8"
    & skf18("2","5","9","4","9","4","1") = "8"
    & skf18("2","5","9","4","9","5","1") = "8"
    & skf18("2","5","9","4","9","6","1") = "8"
    & skf18("2","5","9","4","9","7","1") = "8"
    & skf18("2","5","9","4","9","8","1") = "8"
    & skf18("2","5","9","4","9","9","1") = "8"
    & skf18("2","5","9","4","9","10","1") = "9"
    & skf18("2","5","9","4","10","1","1") = "9"
    & skf18("2","5","9","4","10","2","1") = "9"
    & skf18("2","5","9","4","10","3","1") = "9"
    & skf18("2","5","9","4","10","4","1") = "9"
    & skf18("2","5","9","4","10","5","1") = "9"
    & skf18("2","5","9","4","10","6","1") = "9"
    & skf18("2","5","9","4","10","7","1") = "9"
    & skf18("2","5","9","4","10","8","1") = "9"
    & skf18("2","5","9","4","10","9","1") = "9"
    & skf18("2","5","9","4","10","10","1") = "9"
    & skf18("2","5","9","5","1","1","1") = "8"
    & skf18("2","5","9","5","1","2","1") = "8"
    & skf18("2","5","9","5","1","3","1") = "8"
    & skf18("2","5","9","5","1","4","1") = "8"
    & skf18("2","5","9","5","1","5","1") = "8"
    & skf18("2","5","9","5","1","6","1") = "8"
    & skf18("2","5","9","5","1","7","1") = "8"
    & skf18("2","5","9","5","1","8","1") = "8"
    & skf18("2","5","9","5","1","9","1") = "8"
    & skf18("2","5","9","5","1","10","1") = "9"
    & skf18("2","5","9","5","2","1","1") = "8"
    & skf18("2","5","9","5","2","2","1") = "8"
    & skf18("2","5","9","5","2","3","1") = "8"
    & skf18("2","5","9","5","2","4","1") = "8"
    & skf18("2","5","9","5","2","5","1") = "8"
    & skf18("2","5","9","5","2","6","1") = "8"
    & skf18("2","5","9","5","2","7","1") = "8"
    & skf18("2","5","9","5","2","8","1") = "8"
    & skf18("2","5","9","5","2","9","1") = "8"
    & skf18("2","5","9","5","2","10","1") = "9"
    & skf18("2","5","9","5","3","1","1") = "8"
    & skf18("2","5","9","5","3","2","1") = "8"
    & skf18("2","5","9","5","3","3","1") = "8"
    & skf18("2","5","9","5","3","4","1") = "8"
    & skf18("2","5","9","5","3","5","1") = "8"
    & skf18("2","5","9","5","3","6","1") = "8"
    & skf18("2","5","9","5","3","7","1") = "8"
    & skf18("2","5","9","5","3","8","1") = "8"
    & skf18("2","5","9","5","3","9","1") = "8"
    & skf18("2","5","9","5","3","10","1") = "9"
    & skf18("2","5","9","5","4","1","1") = "8"
    & skf18("2","5","9","5","4","2","1") = "8"
    & skf18("2","5","9","5","4","3","1") = "8"
    & skf18("2","5","9","5","4","4","1") = "8"
    & skf18("2","5","9","5","4","5","1") = "8"
    & skf18("2","5","9","5","4","6","1") = "8"
    & skf18("2","5","9","5","4","7","1") = "8"
    & skf18("2","5","9","5","4","8","1") = "8"
    & skf18("2","5","9","5","4","9","1") = "8"
    & skf18("2","5","9","5","4","10","1") = "9"
    & skf18("2","5","9","5","5","1","1") = "8"
    & skf18("2","5","9","5","5","2","1") = "8"
    & skf18("2","5","9","5","5","3","1") = "8"
    & skf18("2","5","9","5","5","4","1") = "8"
    & skf18("2","5","9","5","5","5","1") = "8"
    & skf18("2","5","9","5","5","6","1") = "8"
    & skf18("2","5","9","5","5","7","1") = "8"
    & skf18("2","5","9","5","5","8","1") = "8"
    & skf18("2","5","9","5","5","9","1") = "8"
    & skf18("2","5","9","5","5","10","1") = "9"
    & skf18("2","5","9","5","6","1","1") = "8"
    & skf18("2","5","9","5","6","2","1") = "8"
    & skf18("2","5","9","5","6","3","1") = "8"
    & skf18("2","5","9","5","6","4","1") = "8"
    & skf18("2","5","9","5","6","5","1") = "8"
    & skf18("2","5","9","5","6","6","1") = "8"
    & skf18("2","5","9","5","6","7","1") = "8"
    & skf18("2","5","9","5","6","8","1") = "8"
    & skf18("2","5","9","5","6","9","1") = "8"
    & skf18("2","5","9","5","6","10","1") = "9"
    & skf18("2","5","9","5","7","1","1") = "8"
    & skf18("2","5","9","5","7","2","1") = "8"
    & skf18("2","5","9","5","7","3","1") = "8"
    & skf18("2","5","9","5","7","4","1") = "8"
    & skf18("2","5","9","5","7","5","1") = "8"
    & skf18("2","5","9","5","7","6","1") = "8"
    & skf18("2","5","9","5","7","7","1") = "8"
    & skf18("2","5","9","5","7","8","1") = "8"
    & skf18("2","5","9","5","7","9","1") = "8"
    & skf18("2","5","9","5","7","10","1") = "9"
    & skf18("2","5","9","5","8","1","1") = "8"
    & skf18("2","5","9","5","8","2","1") = "8"
    & skf18("2","5","9","5","8","3","1") = "8"
    & skf18("2","5","9","5","8","4","1") = "8"
    & skf18("2","5","9","5","8","5","1") = "8"
    & skf18("2","5","9","5","8","6","1") = "8"
    & skf18("2","5","9","5","8","7","1") = "8"
    & skf18("2","5","9","5","8","8","1") = "8"
    & skf18("2","5","9","5","8","9","1") = "8"
    & skf18("2","5","9","5","8","10","1") = "9"
    & skf18("2","5","9","5","9","1","1") = "8"
    & skf18("2","5","9","5","9","2","1") = "8"
    & skf18("2","5","9","5","9","3","1") = "8"
    & skf18("2","5","9","5","9","4","1") = "8"
    & skf18("2","5","9","5","9","5","1") = "8"
    & skf18("2","5","9","5","9","6","1") = "8"
    & skf18("2","5","9","5","9","7","1") = "8"
    & skf18("2","5","9","5","9","8","1") = "8"
    & skf18("2","5","9","5","9","9","1") = "8"
    & skf18("2","5","9","5","9","10","1") = "9"
    & skf18("2","5","9","5","10","1","1") = "9"
    & skf18("2","5","9","5","10","2","1") = "9"
    & skf18("2","5","9","5","10","3","1") = "9"
    & skf18("2","5","9","5","10","4","1") = "9"
    & skf18("2","5","9","5","10","5","1") = "9"
    & skf18("2","5","9","5","10","6","1") = "9"
    & skf18("2","5","9","5","10","7","1") = "9"
    & skf18("2","5","9","5","10","8","1") = "9"
    & skf18("2","5","9","5","10","9","1") = "9"
    & skf18("2","5","9","5","10","10","1") = "9"
    & skf18("2","5","9","6","1","1","1") = "8"
    & skf18("2","5","9","6","1","2","1") = "8"
    & skf18("2","5","9","6","1","3","1") = "8"
    & skf18("2","5","9","6","1","4","1") = "8"
    & skf18("2","5","9","6","1","5","1") = "8"
    & skf18("2","5","9","6","1","6","1") = "8"
    & skf18("2","5","9","6","1","7","1") = "8"
    & skf18("2","5","9","6","1","8","1") = "8"
    & skf18("2","5","9","6","1","9","1") = "8"
    & skf18("2","5","9","6","1","10","1") = "9"
    & skf18("2","5","9","6","2","1","1") = "8"
    & skf18("2","5","9","6","2","2","1") = "8"
    & skf18("2","5","9","6","2","3","1") = "8"
    & skf18("2","5","9","6","2","4","1") = "8"
    & skf18("2","5","9","6","2","5","1") = "8"
    & skf18("2","5","9","6","2","6","1") = "8"
    & skf18("2","5","9","6","2","7","1") = "8"
    & skf18("2","5","9","6","2","8","1") = "8"
    & skf18("2","5","9","6","2","9","1") = "8"
    & skf18("2","5","9","6","2","10","1") = "9"
    & skf18("2","5","9","6","3","1","1") = "8"
    & skf18("2","5","9","6","3","2","1") = "8"
    & skf18("2","5","9","6","3","3","1") = "8"
    & skf18("2","5","9","6","3","4","1") = "8"
    & skf18("2","5","9","6","3","5","1") = "8"
    & skf18("2","5","9","6","3","6","1") = "8"
    & skf18("2","5","9","6","3","7","1") = "8"
    & skf18("2","5","9","6","3","8","1") = "8"
    & skf18("2","5","9","6","3","9","1") = "8"
    & skf18("2","5","9","6","3","10","1") = "9"
    & skf18("2","5","9","6","4","1","1") = "8"
    & skf18("2","5","9","6","4","2","1") = "8"
    & skf18("2","5","9","6","4","3","1") = "8"
    & skf18("2","5","9","6","4","4","1") = "8"
    & skf18("2","5","9","6","4","5","1") = "8"
    & skf18("2","5","9","6","4","6","1") = "8"
    & skf18("2","5","9","6","4","7","1") = "8"
    & skf18("2","5","9","6","4","8","1") = "8"
    & skf18("2","5","9","6","4","9","1") = "8"
    & skf18("2","5","9","6","4","10","1") = "9"
    & skf18("2","5","9","6","5","1","1") = "8"
    & skf18("2","5","9","6","5","2","1") = "8"
    & skf18("2","5","9","6","5","3","1") = "8"
    & skf18("2","5","9","6","5","4","1") = "8"
    & skf18("2","5","9","6","5","5","1") = "8"
    & skf18("2","5","9","6","5","6","1") = "8"
    & skf18("2","5","9","6","5","7","1") = "8"
    & skf18("2","5","9","6","5","8","1") = "8"
    & skf18("2","5","9","6","5","9","1") = "8"
    & skf18("2","5","9","6","5","10","1") = "9"
    & skf18("2","5","9","6","6","1","1") = "8"
    & skf18("2","5","9","6","6","2","1") = "8"
    & skf18("2","5","9","6","6","3","1") = "8"
    & skf18("2","5","9","6","6","4","1") = "8"
    & skf18("2","5","9","6","6","5","1") = "8"
    & skf18("2","5","9","6","6","6","1") = "8"
    & skf18("2","5","9","6","6","7","1") = "8"
    & skf18("2","5","9","6","6","8","1") = "8"
    & skf18("2","5","9","6","6","9","1") = "8"
    & skf18("2","5","9","6","6","10","1") = "9"
    & skf18("2","5","9","6","7","1","1") = "8"
    & skf18("2","5","9","6","7","2","1") = "8"
    & skf18("2","5","9","6","7","3","1") = "8"
    & skf18("2","5","9","6","7","4","1") = "8"
    & skf18("2","5","9","6","7","5","1") = "8"
    & skf18("2","5","9","6","7","6","1") = "8"
    & skf18("2","5","9","6","7","7","1") = "8"
    & skf18("2","5","9","6","7","8","1") = "8"
    & skf18("2","5","9","6","7","9","1") = "8"
    & skf18("2","5","9","6","7","10","1") = "9"
    & skf18("2","5","9","6","8","1","1") = "8"
    & skf18("2","5","9","6","8","2","1") = "8"
    & skf18("2","5","9","6","8","3","1") = "8"
    & skf18("2","5","9","6","8","4","1") = "8"
    & skf18("2","5","9","6","8","5","1") = "8"
    & skf18("2","5","9","6","8","6","1") = "8"
    & skf18("2","5","9","6","8","7","1") = "8"
    & skf18("2","5","9","6","8","8","1") = "8"
    & skf18("2","5","9","6","8","9","1") = "8"
    & skf18("2","5","9","6","8","10","1") = "9"
    & skf18("2","5","9","6","9","1","1") = "8"
    & skf18("2","5","9","6","9","2","1") = "8"
    & skf18("2","5","9","6","9","3","1") = "8"
    & skf18("2","5","9","6","9","4","1") = "8"
    & skf18("2","5","9","6","9","5","1") = "8"
    & skf18("2","5","9","6","9","6","1") = "8"
    & skf18("2","5","9","6","9","7","1") = "8"
    & skf18("2","5","9","6","9","8","1") = "8"
    & skf18("2","5","9","6","9","9","1") = "8"
    & skf18("2","5","9","6","9","10","1") = "9"
    & skf18("2","5","9","6","10","1","1") = "9"
    & skf18("2","5","9","6","10","2","1") = "9"
    & skf18("2","5","9","6","10","3","1") = "9"
    & skf18("2","5","9","6","10","4","1") = "9"
    & skf18("2","5","9","6","10","5","1") = "9"
    & skf18("2","5","9","6","10","6","1") = "9"
    & skf18("2","5","9","6","10","7","1") = "9"
    & skf18("2","5","9","6","10","8","1") = "9"
    & skf18("2","5","9","6","10","9","1") = "9"
    & skf18("2","5","9","6","10","10","1") = "9"
    & skf18("2","5","9","7","1","1","1") = "8"
    & skf18("2","5","9","7","1","2","1") = "8"
    & skf18("2","5","9","7","1","3","1") = "8"
    & skf18("2","5","9","7","1","4","1") = "8"
    & skf18("2","5","9","7","1","5","1") = "8"
    & skf18("2","5","9","7","1","6","1") = "8"
    & skf18("2","5","9","7","1","7","1") = "8"
    & skf18("2","5","9","7","1","8","1") = "8"
    & skf18("2","5","9","7","1","9","1") = "8"
    & skf18("2","5","9","7","1","10","1") = "9"
    & skf18("2","5","9","7","2","1","1") = "8"
    & skf18("2","5","9","7","2","2","1") = "8"
    & skf18("2","5","9","7","2","3","1") = "8"
    & skf18("2","5","9","7","2","4","1") = "8"
    & skf18("2","5","9","7","2","5","1") = "8"
    & skf18("2","5","9","7","2","6","1") = "8"
    & skf18("2","5","9","7","2","7","1") = "8"
    & skf18("2","5","9","7","2","8","1") = "8"
    & skf18("2","5","9","7","2","9","1") = "8"
    & skf18("2","5","9","7","2","10","1") = "9"
    & skf18("2","5","9","7","3","1","1") = "8"
    & skf18("2","5","9","7","3","2","1") = "8"
    & skf18("2","5","9","7","3","3","1") = "8"
    & skf18("2","5","9","7","3","4","1") = "8"
    & skf18("2","5","9","7","3","5","1") = "8"
    & skf18("2","5","9","7","3","6","1") = "8"
    & skf18("2","5","9","7","3","7","1") = "8"
    & skf18("2","5","9","7","3","8","1") = "8"
    & skf18("2","5","9","7","3","9","1") = "8"
    & skf18("2","5","9","7","3","10","1") = "9"
    & skf18("2","5","9","7","4","1","1") = "8"
    & skf18("2","5","9","7","4","2","1") = "8"
    & skf18("2","5","9","7","4","3","1") = "8"
    & skf18("2","5","9","7","4","4","1") = "8"
    & skf18("2","5","9","7","4","5","1") = "8"
    & skf18("2","5","9","7","4","6","1") = "8"
    & skf18("2","5","9","7","4","7","1") = "8"
    & skf18("2","5","9","7","4","8","1") = "8"
    & skf18("2","5","9","7","4","9","1") = "8"
    & skf18("2","5","9","7","4","10","1") = "9"
    & skf18("2","5","9","7","5","1","1") = "8"
    & skf18("2","5","9","7","5","2","1") = "8"
    & skf18("2","5","9","7","5","3","1") = "8"
    & skf18("2","5","9","7","5","4","1") = "8"
    & skf18("2","5","9","7","5","5","1") = "8"
    & skf18("2","5","9","7","5","6","1") = "8"
    & skf18("2","5","9","7","5","7","1") = "8"
    & skf18("2","5","9","7","5","8","1") = "8"
    & skf18("2","5","9","7","5","9","1") = "8"
    & skf18("2","5","9","7","5","10","1") = "9"
    & skf18("2","5","9","7","6","1","1") = "8"
    & skf18("2","5","9","7","6","2","1") = "8"
    & skf18("2","5","9","7","6","3","1") = "8"
    & skf18("2","5","9","7","6","4","1") = "8"
    & skf18("2","5","9","7","6","5","1") = "8"
    & skf18("2","5","9","7","6","6","1") = "8"
    & skf18("2","5","9","7","6","7","1") = "8"
    & skf18("2","5","9","7","6","8","1") = "8"
    & skf18("2","5","9","7","6","9","1") = "8"
    & skf18("2","5","9","7","6","10","1") = "9"
    & skf18("2","5","9","7","7","1","1") = "8"
    & skf18("2","5","9","7","7","2","1") = "8"
    & skf18("2","5","9","7","7","3","1") = "8"
    & skf18("2","5","9","7","7","4","1") = "8"
    & skf18("2","5","9","7","7","5","1") = "8"
    & skf18("2","5","9","7","7","6","1") = "8"
    & skf18("2","5","9","7","7","7","1") = "8"
    & skf18("2","5","9","7","7","8","1") = "8"
    & skf18("2","5","9","7","7","9","1") = "8"
    & skf18("2","5","9","7","7","10","1") = "9"
    & skf18("2","5","9","7","8","1","1") = "8"
    & skf18("2","5","9","7","8","2","1") = "8"
    & skf18("2","5","9","7","8","3","1") = "8"
    & skf18("2","5","9","7","8","4","1") = "8"
    & skf18("2","5","9","7","8","5","1") = "8"
    & skf18("2","5","9","7","8","6","1") = "8"
    & skf18("2","5","9","7","8","7","1") = "8"
    & skf18("2","5","9","7","8","8","1") = "8"
    & skf18("2","5","9","7","8","9","1") = "8"
    & skf18("2","5","9","7","8","10","1") = "9"
    & skf18("2","5","9","7","9","1","1") = "8"
    & skf18("2","5","9","7","9","2","1") = "8"
    & skf18("2","5","9","7","9","3","1") = "8"
    & skf18("2","5","9","7","9","4","1") = "8"
    & skf18("2","5","9","7","9","5","1") = "8"
    & skf18("2","5","9","7","9","6","1") = "8"
    & skf18("2","5","9","7","9","7","1") = "8"
    & skf18("2","5","9","7","9","8","1") = "8"
    & skf18("2","5","9","7","9","9","1") = "8"
    & skf18("2","5","9","7","9","10","1") = "9"
    & skf18("2","5","9","7","10","1","1") = "9"
    & skf18("2","5","9","7","10","2","1") = "9"
    & skf18("2","5","9","7","10","3","1") = "9"
    & skf18("2","5","9","7","10","4","1") = "9"
    & skf18("2","5","9","7","10","5","1") = "9"
    & skf18("2","5","9","7","10","6","1") = "9"
    & skf18("2","5","9","7","10","7","1") = "9"
    & skf18("2","5","9","7","10","8","1") = "9"
    & skf18("2","5","9","7","10","9","1") = "9"
    & skf18("2","5","9","7","10","10","1") = "9"
    & skf18("2","5","9","8","1","1","1") = "8"
    & skf18("2","5","9","8","1","2","1") = "8"
    & skf18("2","5","9","8","1","3","1") = "8"
    & skf18("2","5","9","8","1","4","1") = "8"
    & skf18("2","5","9","8","1","5","1") = "8"
    & skf18("2","5","9","8","1","6","1") = "8"
    & skf18("2","5","9","8","1","7","1") = "8"
    & skf18("2","5","9","8","1","8","1") = "8"
    & skf18("2","5","9","8","1","9","1") = "8"
    & skf18("2","5","9","8","1","10","1") = "9"
    & skf18("2","5","9","8","2","1","1") = "8"
    & skf18("2","5","9","8","2","2","1") = "8"
    & skf18("2","5","9","8","2","3","1") = "8"
    & skf18("2","5","9","8","2","4","1") = "8"
    & skf18("2","5","9","8","2","5","1") = "8"
    & skf18("2","5","9","8","2","6","1") = "8"
    & skf18("2","5","9","8","2","7","1") = "8"
    & skf18("2","5","9","8","2","8","1") = "8"
    & skf18("2","5","9","8","2","9","1") = "8"
    & skf18("2","5","9","8","2","10","1") = "9"
    & skf18("2","5","9","8","3","1","1") = "8"
    & skf18("2","5","9","8","3","2","1") = "8"
    & skf18("2","5","9","8","3","3","1") = "8"
    & skf18("2","5","9","8","3","4","1") = "8"
    & skf18("2","5","9","8","3","5","1") = "8"
    & skf18("2","5","9","8","3","6","1") = "8"
    & skf18("2","5","9","8","3","7","1") = "8"
    & skf18("2","5","9","8","3","8","1") = "8"
    & skf18("2","5","9","8","3","9","1") = "8"
    & skf18("2","5","9","8","3","10","1") = "9"
    & skf18("2","5","9","8","4","1","1") = "8"
    & skf18("2","5","9","8","4","2","1") = "8"
    & skf18("2","5","9","8","4","3","1") = "8"
    & skf18("2","5","9","8","4","4","1") = "8"
    & skf18("2","5","9","8","4","5","1") = "8"
    & skf18("2","5","9","8","4","6","1") = "8"
    & skf18("2","5","9","8","4","7","1") = "8"
    & skf18("2","5","9","8","4","8","1") = "8"
    & skf18("2","5","9","8","4","9","1") = "8"
    & skf18("2","5","9","8","4","10","1") = "9"
    & skf18("2","5","9","8","5","1","1") = "8"
    & skf18("2","5","9","8","5","2","1") = "8"
    & skf18("2","5","9","8","5","3","1") = "8"
    & skf18("2","5","9","8","5","4","1") = "8"
    & skf18("2","5","9","8","5","5","1") = "8"
    & skf18("2","5","9","8","5","6","1") = "8"
    & skf18("2","5","9","8","5","7","1") = "8"
    & skf18("2","5","9","8","5","8","1") = "8"
    & skf18("2","5","9","8","5","9","1") = "8"
    & skf18("2","5","9","8","5","10","1") = "9"
    & skf18("2","5","9","8","6","1","1") = "8"
    & skf18("2","5","9","8","6","2","1") = "8"
    & skf18("2","5","9","8","6","3","1") = "8"
    & skf18("2","5","9","8","6","4","1") = "8"
    & skf18("2","5","9","8","6","5","1") = "8"
    & skf18("2","5","9","8","6","6","1") = "8"
    & skf18("2","5","9","8","6","7","1") = "8"
    & skf18("2","5","9","8","6","8","1") = "8"
    & skf18("2","5","9","8","6","9","1") = "8"
    & skf18("2","5","9","8","6","10","1") = "9"
    & skf18("2","5","9","8","7","1","1") = "8"
    & skf18("2","5","9","8","7","2","1") = "8"
    & skf18("2","5","9","8","7","3","1") = "8"
    & skf18("2","5","9","8","7","4","1") = "8"
    & skf18("2","5","9","8","7","5","1") = "8"
    & skf18("2","5","9","8","7","6","1") = "8"
    & skf18("2","5","9","8","7","7","1") = "8"
    & skf18("2","5","9","8","7","8","1") = "8"
    & skf18("2","5","9","8","7","9","1") = "8"
    & skf18("2","5","9","8","7","10","1") = "9"
    & skf18("2","5","9","8","8","1","1") = "8"
    & skf18("2","5","9","8","8","2","1") = "8"
    & skf18("2","5","9","8","8","3","1") = "8"
    & skf18("2","5","9","8","8","4","1") = "8"
    & skf18("2","5","9","8","8","5","1") = "8"
    & skf18("2","5","9","8","8","6","1") = "8"
    & skf18("2","5","9","8","8","7","1") = "8"
    & skf18("2","5","9","8","8","8","1") = "8"
    & skf18("2","5","9","8","8","9","1") = "8"
    & skf18("2","5","9","8","8","10","1") = "9"
    & skf18("2","5","9","8","9","1","1") = "8"
    & skf18("2","5","9","8","9","2","1") = "8"
    & skf18("2","5","9","8","9","3","1") = "8"
    & skf18("2","5","9","8","9","4","1") = "8"
    & skf18("2","5","9","8","9","5","1") = "8"
    & skf18("2","5","9","8","9","6","1") = "8"
    & skf18("2","5","9","8","9","7","1") = "8"
    & skf18("2","5","9","8","9","8","1") = "8"
    & skf18("2","5","9","8","9","9","1") = "8"
    & skf18("2","5","9","8","9","10","1") = "9"
    & skf18("2","5","9","8","10","1","1") = "9"
    & skf18("2","5","9","8","10","2","1") = "9"
    & skf18("2","5","9","8","10","3","1") = "9"
    & skf18("2","5","9","8","10","4","1") = "9"
    & skf18("2","5","9","8","10","5","1") = "9"
    & skf18("2","5","9","8","10","6","1") = "9"
    & skf18("2","5","9","8","10","7","1") = "9"
    & skf18("2","5","9","8","10","8","1") = "9"
    & skf18("2","5","9","8","10","9","1") = "9"
    & skf18("2","5","9","8","10","10","1") = "9"
    & skf18("2","5","9","9","1","1","1") = "8"
    & skf18("2","5","9","9","1","2","1") = "8"
    & skf18("2","5","9","9","1","3","1") = "8"
    & skf18("2","5","9","9","1","4","1") = "8"
    & skf18("2","5","9","9","1","5","1") = "8"
    & skf18("2","5","9","9","1","6","1") = "8"
    & skf18("2","5","9","9","1","7","1") = "8"
    & skf18("2","5","9","9","1","8","1") = "8"
    & skf18("2","5","9","9","1","9","1") = "8"
    & skf18("2","5","9","9","1","10","1") = "9"
    & skf18("2","5","9","9","2","1","1") = "8"
    & skf18("2","5","9","9","2","2","1") = "8"
    & skf18("2","5","9","9","2","3","1") = "8"
    & skf18("2","5","9","9","2","4","1") = "8"
    & skf18("2","5","9","9","2","5","1") = "8"
    & skf18("2","5","9","9","2","6","1") = "8"
    & skf18("2","5","9","9","2","7","1") = "8"
    & skf18("2","5","9","9","2","8","1") = "8"
    & skf18("2","5","9","9","2","9","1") = "8"
    & skf18("2","5","9","9","2","10","1") = "9"
    & skf18("2","5","9","9","3","1","1") = "8"
    & skf18("2","5","9","9","3","2","1") = "8"
    & skf18("2","5","9","9","3","3","1") = "8"
    & skf18("2","5","9","9","3","4","1") = "8"
    & skf18("2","5","9","9","3","5","1") = "8"
    & skf18("2","5","9","9","3","6","1") = "8"
    & skf18("2","5","9","9","3","7","1") = "8"
    & skf18("2","5","9","9","3","8","1") = "8"
    & skf18("2","5","9","9","3","9","1") = "8"
    & skf18("2","5","9","9","3","10","1") = "9"
    & skf18("2","5","9","9","4","1","1") = "8"
    & skf18("2","5","9","9","4","2","1") = "8"
    & skf18("2","5","9","9","4","3","1") = "8"
    & skf18("2","5","9","9","4","4","1") = "8"
    & skf18("2","5","9","9","4","5","1") = "8"
    & skf18("2","5","9","9","4","6","1") = "8"
    & skf18("2","5","9","9","4","7","1") = "8"
    & skf18("2","5","9","9","4","8","1") = "8"
    & skf18("2","5","9","9","4","9","1") = "8"
    & skf18("2","5","9","9","4","10","1") = "9"
    & skf18("2","5","9","9","5","1","1") = "8"
    & skf18("2","5","9","9","5","2","1") = "8"
    & skf18("2","5","9","9","5","3","1") = "8"
    & skf18("2","5","9","9","5","4","1") = "8"
    & skf18("2","5","9","9","5","5","1") = "8"
    & skf18("2","5","9","9","5","6","1") = "8"
    & skf18("2","5","9","9","5","7","1") = "8"
    & skf18("2","5","9","9","5","8","1") = "8"
    & skf18("2","5","9","9","5","9","1") = "8"
    & skf18("2","5","9","9","5","10","1") = "9"
    & skf18("2","5","9","9","6","1","1") = "8"
    & skf18("2","5","9","9","6","2","1") = "8"
    & skf18("2","5","9","9","6","3","1") = "8"
    & skf18("2","5","9","9","6","4","1") = "8"
    & skf18("2","5","9","9","6","5","1") = "8"
    & skf18("2","5","9","9","6","6","1") = "8"
    & skf18("2","5","9","9","6","7","1") = "8"
    & skf18("2","5","9","9","6","8","1") = "8"
    & skf18("2","5","9","9","6","9","1") = "8"
    & skf18("2","5","9","9","6","10","1") = "9"
    & skf18("2","5","9","9","7","1","1") = "8"
    & skf18("2","5","9","9","7","2","1") = "8"
    & skf18("2","5","9","9","7","3","1") = "8"
    & skf18("2","5","9","9","7","4","1") = "8"
    & skf18("2","5","9","9","7","5","1") = "8"
    & skf18("2","5","9","9","7","6","1") = "8"
    & skf18("2","5","9","9","7","7","1") = "8"
    & skf18("2","5","9","9","7","8","1") = "8"
    & skf18("2","5","9","9","7","9","1") = "8"
    & skf18("2","5","9","9","7","10","1") = "9"
    & skf18("2","5","9","9","8","1","1") = "8"
    & skf18("2","5","9","9","8","2","1") = "8"
    & skf18("2","5","9","9","8","3","1") = "8"
    & skf18("2","5","9","9","8","4","1") = "8"
    & skf18("2","5","9","9","8","5","1") = "8"
    & skf18("2","5","9","9","8","6","1") = "8"
    & skf18("2","5","9","9","8","7","1") = "8"
    & skf18("2","5","9","9","8","8","1") = "8"
    & skf18("2","5","9","9","8","9","1") = "8"
    & skf18("2","5","9","9","8","10","1") = "9"
    & skf18("2","5","9","9","9","1","1") = "8"
    & skf18("2","5","9","9","9","2","1") = "8"
    & skf18("2","5","9","9","9","3","1") = "8"
    & skf18("2","5","9","9","9","4","1") = "8"
    & skf18("2","5","9","9","9","5","1") = "8"
    & skf18("2","5","9","9","9","6","1") = "8"
    & skf18("2","5","9","9","9","7","1") = "8"
    & skf18("2","5","9","9","9","8","1") = "8"
    & skf18("2","5","9","9","9","9","1") = "8"
    & skf18("2","5","9","9","9","10","1") = "9"
    & skf18("2","5","9","9","10","1","1") = "9"
    & skf18("2","5","9","9","10","2","1") = "9"
    & skf18("2","5","9","9","10","3","1") = "9"
    & skf18("2","5","9","9","10","4","1") = "9"
    & skf18("2","5","9","9","10","5","1") = "9"
    & skf18("2","5","9","9","10","6","1") = "9"
    & skf18("2","5","9","9","10","7","1") = "9"
    & skf18("2","5","9","9","10","8","1") = "9"
    & skf18("2","5","9","9","10","9","1") = "9"
    & skf18("2","5","9","9","10","10","1") = "9"
    & skf18("2","5","9","10","1","1","1") = "9"
    & skf18("2","5","9","10","1","2","1") = "9"
    & skf18("2","5","9","10","1","3","1") = "9"
    & skf18("2","5","9","10","1","4","1") = "9"
    & skf18("2","5","9","10","1","5","1") = "9"
    & skf18("2","5","9","10","1","6","1") = "9"
    & skf18("2","5","9","10","1","7","1") = "9"
    & skf18("2","5","9","10","1","8","1") = "9"
    & skf18("2","5","9","10","1","9","1") = "9"
    & skf18("2","5","9","10","1","10","1") = "9"
    & skf18("2","5","9","10","2","1","1") = "9"
    & skf18("2","5","9","10","2","2","1") = "9"
    & skf18("2","5","9","10","2","3","1") = "9"
    & skf18("2","5","9","10","2","4","1") = "9"
    & skf18("2","5","9","10","2","5","1") = "9"
    & skf18("2","5","9","10","2","6","1") = "9"
    & skf18("2","5","9","10","2","7","1") = "9"
    & skf18("2","5","9","10","2","8","1") = "9"
    & skf18("2","5","9","10","2","9","1") = "9"
    & skf18("2","5","9","10","2","10","1") = "9"
    & skf18("2","5","9","10","3","1","1") = "9"
    & skf18("2","5","9","10","3","2","1") = "9"
    & skf18("2","5","9","10","3","3","1") = "9"
    & skf18("2","5","9","10","3","4","1") = "9"
    & skf18("2","5","9","10","3","5","1") = "9"
    & skf18("2","5","9","10","3","6","1") = "9"
    & skf18("2","5","9","10","3","7","1") = "9"
    & skf18("2","5","9","10","3","8","1") = "9"
    & skf18("2","5","9","10","3","9","1") = "9"
    & skf18("2","5","9","10","3","10","1") = "9"
    & skf18("2","5","9","10","4","1","1") = "9"
    & skf18("2","5","9","10","4","2","1") = "9"
    & skf18("2","5","9","10","4","3","1") = "9"
    & skf18("2","5","9","10","4","4","1") = "9"
    & skf18("2","5","9","10","4","5","1") = "9"
    & skf18("2","5","9","10","4","6","1") = "9"
    & skf18("2","5","9","10","4","7","1") = "9"
    & skf18("2","5","9","10","4","8","1") = "9"
    & skf18("2","5","9","10","4","9","1") = "9"
    & skf18("2","5","9","10","4","10","1") = "9"
    & skf18("2","5","9","10","5","1","1") = "9"
    & skf18("2","5","9","10","5","2","1") = "9"
    & skf18("2","5","9","10","5","3","1") = "9"
    & skf18("2","5","9","10","5","4","1") = "9"
    & skf18("2","5","9","10","5","5","1") = "9"
    & skf18("2","5","9","10","5","6","1") = "9"
    & skf18("2","5","9","10","5","7","1") = "9"
    & skf18("2","5","9","10","5","8","1") = "9"
    & skf18("2","5","9","10","5","9","1") = "9"
    & skf18("2","5","9","10","5","10","1") = "9"
    & skf18("2","5","9","10","6","1","1") = "9"
    & skf18("2","5","9","10","6","2","1") = "9"
    & skf18("2","5","9","10","6","3","1") = "9"
    & skf18("2","5","9","10","6","4","1") = "9"
    & skf18("2","5","9","10","6","5","1") = "9"
    & skf18("2","5","9","10","6","6","1") = "9"
    & skf18("2","5","9","10","6","7","1") = "9"
    & skf18("2","5","9","10","6","8","1") = "9"
    & skf18("2","5","9","10","6","9","1") = "9"
    & skf18("2","5","9","10","6","10","1") = "9"
    & skf18("2","5","9","10","7","1","1") = "9"
    & skf18("2","5","9","10","7","2","1") = "9"
    & skf18("2","5","9","10","7","3","1") = "9"
    & skf18("2","5","9","10","7","4","1") = "9"
    & skf18("2","5","9","10","7","5","1") = "9"
    & skf18("2","5","9","10","7","6","1") = "9"
    & skf18("2","5","9","10","7","7","1") = "9"
    & skf18("2","5","9","10","7","8","1") = "9"
    & skf18("2","5","9","10","7","9","1") = "9"
    & skf18("2","5","9","10","7","10","1") = "9"
    & skf18("2","5","9","10","8","1","1") = "9"
    & skf18("2","5","9","10","8","2","1") = "9"
    & skf18("2","5","9","10","8","3","1") = "9"
    & skf18("2","5","9","10","8","4","1") = "9"
    & skf18("2","5","9","10","8","5","1") = "9"
    & skf18("2","5","9","10","8","6","1") = "9"
    & skf18("2","5","9","10","8","7","1") = "9"
    & skf18("2","5","9","10","8","8","1") = "9"
    & skf18("2","5","9","10","8","9","1") = "9"
    & skf18("2","5","9","10","8","10","1") = "9"
    & skf18("2","5","9","10","9","1","1") = "9"
    & skf18("2","5","9","10","9","2","1") = "9"
    & skf18("2","5","9","10","9","3","1") = "9"
    & skf18("2","5","9","10","9","4","1") = "9"
    & skf18("2","5","9","10","9","5","1") = "9"
    & skf18("2","5","9","10","9","6","1") = "9"
    & skf18("2","5","9","10","9","7","1") = "9"
    & skf18("2","5","9","10","9","8","1") = "9"
    & skf18("2","5","9","10","9","9","1") = "9"
    & skf18("2","5","9","10","9","10","1") = "9"
    & skf18("2","5","9","10","10","1","1") = "9"
    & skf18("2","5","9","10","10","2","1") = "9"
    & skf18("2","5","9","10","10","3","1") = "9"
    & skf18("2","5","9","10","10","4","1") = "9"
    & skf18("2","5","9","10","10","5","1") = "9"
    & skf18("2","5","9","10","10","6","1") = "9"
    & skf18("2","5","9","10","10","7","1") = "9"
    & skf18("2","5","9","10","10","8","1") = "9"
    & skf18("2","5","9","10","10","9","1") = "9"
    & skf18("2","5","9","10","10","10","1") = "9"
    & skf18("2","5","10","1","1","1","1") = "9"
    & skf18("2","5","10","1","1","2","1") = "9"
    & skf18("2","5","10","1","1","3","1") = "9"
    & skf18("2","5","10","1","1","4","1") = "9"
    & skf18("2","5","10","1","1","5","1") = "9"
    & skf18("2","5","10","1","1","6","1") = "9"
    & skf18("2","5","10","1","1","7","1") = "9"
    & skf18("2","5","10","1","1","8","1") = "9"
    & skf18("2","5","10","1","1","9","1") = "9"
    & skf18("2","5","10","1","1","10","1") = "9"
    & skf18("2","5","10","1","2","1","1") = "9"
    & skf18("2","5","10","1","2","2","1") = "9"
    & skf18("2","5","10","1","2","3","1") = "9"
    & skf18("2","5","10","1","2","4","1") = "9"
    & skf18("2","5","10","1","2","5","1") = "9"
    & skf18("2","5","10","1","2","6","1") = "9"
    & skf18("2","5","10","1","2","7","1") = "9"
    & skf18("2","5","10","1","2","8","1") = "9"
    & skf18("2","5","10","1","2","9","1") = "9"
    & skf18("2","5","10","1","2","10","1") = "9"
    & skf18("2","5","10","1","3","1","1") = "9"
    & skf18("2","5","10","1","3","2","1") = "9"
    & skf18("2","5","10","1","3","3","1") = "9"
    & skf18("2","5","10","1","3","4","1") = "9"
    & skf18("2","5","10","1","3","5","1") = "9"
    & skf18("2","5","10","1","3","6","1") = "9"
    & skf18("2","5","10","1","3","7","1") = "9"
    & skf18("2","5","10","1","3","8","1") = "9"
    & skf18("2","5","10","1","3","9","1") = "9"
    & skf18("2","5","10","1","3","10","1") = "9"
    & skf18("2","5","10","1","4","1","1") = "9"
    & skf18("2","5","10","1","4","2","1") = "9"
    & skf18("2","5","10","1","4","3","1") = "9"
    & skf18("2","5","10","1","4","4","1") = "9"
    & skf18("2","5","10","1","4","5","1") = "9"
    & skf18("2","5","10","1","4","6","1") = "9"
    & skf18("2","5","10","1","4","7","1") = "9"
    & skf18("2","5","10","1","4","8","1") = "9"
    & skf18("2","5","10","1","4","9","1") = "9"
    & skf18("2","5","10","1","4","10","1") = "9"
    & skf18("2","5","10","1","5","1","1") = "9"
    & skf18("2","5","10","1","5","2","1") = "9"
    & skf18("2","5","10","1","5","3","1") = "9"
    & skf18("2","5","10","1","5","4","1") = "9"
    & skf18("2","5","10","1","5","5","1") = "9"
    & skf18("2","5","10","1","5","6","1") = "9"
    & skf18("2","5","10","1","5","7","1") = "9"
    & skf18("2","5","10","1","5","8","1") = "9"
    & skf18("2","5","10","1","5","9","1") = "9"
    & skf18("2","5","10","1","5","10","1") = "9"
    & skf18("2","5","10","1","6","1","1") = "9"
    & skf18("2","5","10","1","6","2","1") = "9"
    & skf18("2","5","10","1","6","3","1") = "9"
    & skf18("2","5","10","1","6","4","1") = "9"
    & skf18("2","5","10","1","6","5","1") = "9"
    & skf18("2","5","10","1","6","6","1") = "9"
    & skf18("2","5","10","1","6","7","1") = "9"
    & skf18("2","5","10","1","6","8","1") = "9"
    & skf18("2","5","10","1","6","9","1") = "9"
    & skf18("2","5","10","1","6","10","1") = "9"
    & skf18("2","5","10","1","7","1","1") = "9"
    & skf18("2","5","10","1","7","2","1") = "9"
    & skf18("2","5","10","1","7","3","1") = "9"
    & skf18("2","5","10","1","7","4","1") = "9"
    & skf18("2","5","10","1","7","5","1") = "9"
    & skf18("2","5","10","1","7","6","1") = "9"
    & skf18("2","5","10","1","7","7","1") = "9"
    & skf18("2","5","10","1","7","8","1") = "9"
    & skf18("2","5","10","1","7","9","1") = "9"
    & skf18("2","5","10","1","7","10","1") = "9"
    & skf18("2","5","10","1","8","1","1") = "9"
    & skf18("2","5","10","1","8","2","1") = "9"
    & skf18("2","5","10","1","8","3","1") = "9"
    & skf18("2","5","10","1","8","4","1") = "9"
    & skf18("2","5","10","1","8","5","1") = "9"
    & skf18("2","5","10","1","8","6","1") = "9"
    & skf18("2","5","10","1","8","7","1") = "9"
    & skf18("2","5","10","1","8","8","1") = "9"
    & skf18("2","5","10","1","8","9","1") = "9"
    & skf18("2","5","10","1","8","10","1") = "9"
    & skf18("2","5","10","1","9","1","1") = "9"
    & skf18("2","5","10","1","9","2","1") = "9"
    & skf18("2","5","10","1","9","3","1") = "9"
    & skf18("2","5","10","1","9","4","1") = "9"
    & skf18("2","5","10","1","9","5","1") = "9"
    & skf18("2","5","10","1","9","6","1") = "9"
    & skf18("2","5","10","1","9","7","1") = "9"
    & skf18("2","5","10","1","9","8","1") = "9"
    & skf18("2","5","10","1","9","9","1") = "9"
    & skf18("2","5","10","1","9","10","1") = "9"
    & skf18("2","5","10","1","10","1","1") = "9"
    & skf18("2","5","10","1","10","2","1") = "9"
    & skf18("2","5","10","1","10","3","1") = "9"
    & skf18("2","5","10","1","10","4","1") = "9"
    & skf18("2","5","10","1","10","5","1") = "9"
    & skf18("2","5","10","1","10","6","1") = "9"
    & skf18("2","5","10","1","10","7","1") = "9"
    & skf18("2","5","10","1","10","8","1") = "9"
    & skf18("2","5","10","1","10","9","1") = "9"
    & skf18("2","5","10","1","10","10","1") = "9"
    & skf18("2","5","10","2","1","1","1") = "9"
    & skf18("2","5","10","2","1","2","1") = "9"
    & skf18("2","5","10","2","1","3","1") = "9"
    & skf18("2","5","10","2","1","4","1") = "9"
    & skf18("2","5","10","2","1","5","1") = "9"
    & skf18("2","5","10","2","1","6","1") = "9"
    & skf18("2","5","10","2","1","7","1") = "9"
    & skf18("2","5","10","2","1","8","1") = "9"
    & skf18("2","5","10","2","1","9","1") = "9"
    & skf18("2","5","10","2","1","10","1") = "9"
    & skf18("2","5","10","2","2","1","1") = "9"
    & skf18("2","5","10","2","2","2","1") = "9"
    & skf18("2","5","10","2","2","3","1") = "9"
    & skf18("2","5","10","2","2","4","1") = "9"
    & skf18("2","5","10","2","2","5","1") = "9"
    & skf18("2","5","10","2","2","6","1") = "9"
    & skf18("2","5","10","2","2","7","1") = "9"
    & skf18("2","5","10","2","2","8","1") = "9"
    & skf18("2","5","10","2","2","9","1") = "9"
    & skf18("2","5","10","2","2","10","1") = "9"
    & skf18("2","5","10","2","3","1","1") = "9"
    & skf18("2","5","10","2","3","2","1") = "9"
    & skf18("2","5","10","2","3","3","1") = "9"
    & skf18("2","5","10","2","3","4","1") = "9"
    & skf18("2","5","10","2","3","5","1") = "9"
    & skf18("2","5","10","2","3","6","1") = "9"
    & skf18("2","5","10","2","3","7","1") = "9"
    & skf18("2","5","10","2","3","8","1") = "9"
    & skf18("2","5","10","2","3","9","1") = "9"
    & skf18("2","5","10","2","3","10","1") = "9"
    & skf18("2","5","10","2","4","1","1") = "9"
    & skf18("2","5","10","2","4","2","1") = "9"
    & skf18("2","5","10","2","4","3","1") = "9"
    & skf18("2","5","10","2","4","4","1") = "9"
    & skf18("2","5","10","2","4","5","1") = "9"
    & skf18("2","5","10","2","4","6","1") = "9"
    & skf18("2","5","10","2","4","7","1") = "9"
    & skf18("2","5","10","2","4","8","1") = "9"
    & skf18("2","5","10","2","4","9","1") = "9"
    & skf18("2","5","10","2","4","10","1") = "9"
    & skf18("2","5","10","2","5","1","1") = "9"
    & skf18("2","5","10","2","5","2","1") = "9"
    & skf18("2","5","10","2","5","3","1") = "9"
    & skf18("2","5","10","2","5","4","1") = "9"
    & skf18("2","5","10","2","5","5","1") = "9"
    & skf18("2","5","10","2","5","6","1") = "9"
    & skf18("2","5","10","2","5","7","1") = "9"
    & skf18("2","5","10","2","5","8","1") = "9"
    & skf18("2","5","10","2","5","9","1") = "9"
    & skf18("2","5","10","2","5","10","1") = "9"
    & skf18("2","5","10","2","6","1","1") = "9"
    & skf18("2","5","10","2","6","2","1") = "9"
    & skf18("2","5","10","2","6","3","1") = "9"
    & skf18("2","5","10","2","6","4","1") = "9"
    & skf18("2","5","10","2","6","5","1") = "9"
    & skf18("2","5","10","2","6","6","1") = "9"
    & skf18("2","5","10","2","6","7","1") = "9"
    & skf18("2","5","10","2","6","8","1") = "9"
    & skf18("2","5","10","2","6","9","1") = "9"
    & skf18("2","5","10","2","6","10","1") = "9"
    & skf18("2","5","10","2","7","1","1") = "9"
    & skf18("2","5","10","2","7","2","1") = "9"
    & skf18("2","5","10","2","7","3","1") = "9"
    & skf18("2","5","10","2","7","4","1") = "9"
    & skf18("2","5","10","2","7","5","1") = "9"
    & skf18("2","5","10","2","7","6","1") = "9"
    & skf18("2","5","10","2","7","7","1") = "9"
    & skf18("2","5","10","2","7","8","1") = "9"
    & skf18("2","5","10","2","7","9","1") = "9"
    & skf18("2","5","10","2","7","10","1") = "9"
    & skf18("2","5","10","2","8","1","1") = "9"
    & skf18("2","5","10","2","8","2","1") = "9"
    & skf18("2","5","10","2","8","3","1") = "9"
    & skf18("2","5","10","2","8","4","1") = "9"
    & skf18("2","5","10","2","8","5","1") = "9"
    & skf18("2","5","10","2","8","6","1") = "9"
    & skf18("2","5","10","2","8","7","1") = "9"
    & skf18("2","5","10","2","8","8","1") = "9"
    & skf18("2","5","10","2","8","9","1") = "9"
    & skf18("2","5","10","2","8","10","1") = "9"
    & skf18("2","5","10","2","9","1","1") = "9"
    & skf18("2","5","10","2","9","2","1") = "9"
    & skf18("2","5","10","2","9","3","1") = "9"
    & skf18("2","5","10","2","9","4","1") = "9"
    & skf18("2","5","10","2","9","5","1") = "9"
    & skf18("2","5","10","2","9","6","1") = "9"
    & skf18("2","5","10","2","9","7","1") = "9"
    & skf18("2","5","10","2","9","8","1") = "9"
    & skf18("2","5","10","2","9","9","1") = "9"
    & skf18("2","5","10","2","9","10","1") = "9"
    & skf18("2","5","10","2","10","1","1") = "9"
    & skf18("2","5","10","2","10","2","1") = "9"
    & skf18("2","5","10","2","10","3","1") = "9"
    & skf18("2","5","10","2","10","4","1") = "9"
    & skf18("2","5","10","2","10","5","1") = "9"
    & skf18("2","5","10","2","10","6","1") = "9"
    & skf18("2","5","10","2","10","7","1") = "9"
    & skf18("2","5","10","2","10","8","1") = "9"
    & skf18("2","5","10","2","10","9","1") = "9"
    & skf18("2","5","10","2","10","10","1") = "9"
    & skf18("2","5","10","3","1","1","1") = "9"
    & skf18("2","5","10","3","1","2","1") = "9"
    & skf18("2","5","10","3","1","3","1") = "9"
    & skf18("2","5","10","3","1","4","1") = "9"
    & skf18("2","5","10","3","1","5","1") = "9"
    & skf18("2","5","10","3","1","6","1") = "9"
    & skf18("2","5","10","3","1","7","1") = "9"
    & skf18("2","5","10","3","1","8","1") = "9"
    & skf18("2","5","10","3","1","9","1") = "9"
    & skf18("2","5","10","3","1","10","1") = "9"
    & skf18("2","5","10","3","2","1","1") = "9"
    & skf18("2","5","10","3","2","2","1") = "9"
    & skf18("2","5","10","3","2","3","1") = "9"
    & skf18("2","5","10","3","2","4","1") = "9"
    & skf18("2","5","10","3","2","5","1") = "9"
    & skf18("2","5","10","3","2","6","1") = "9"
    & skf18("2","5","10","3","2","7","1") = "9"
    & skf18("2","5","10","3","2","8","1") = "9"
    & skf18("2","5","10","3","2","9","1") = "9"
    & skf18("2","5","10","3","2","10","1") = "9"
    & skf18("2","5","10","3","3","1","1") = "9"
    & skf18("2","5","10","3","3","2","1") = "9"
    & skf18("2","5","10","3","3","3","1") = "9"
    & skf18("2","5","10","3","3","4","1") = "9"
    & skf18("2","5","10","3","3","5","1") = "9"
    & skf18("2","5","10","3","3","6","1") = "9"
    & skf18("2","5","10","3","3","7","1") = "9"
    & skf18("2","5","10","3","3","8","1") = "9"
    & skf18("2","5","10","3","3","9","1") = "9"
    & skf18("2","5","10","3","3","10","1") = "9"
    & skf18("2","5","10","3","4","1","1") = "9"
    & skf18("2","5","10","3","4","2","1") = "9"
    & skf18("2","5","10","3","4","3","1") = "9"
    & skf18("2","5","10","3","4","4","1") = "9"
    & skf18("2","5","10","3","4","5","1") = "9"
    & skf18("2","5","10","3","4","6","1") = "9"
    & skf18("2","5","10","3","4","7","1") = "9"
    & skf18("2","5","10","3","4","8","1") = "9"
    & skf18("2","5","10","3","4","9","1") = "9"
    & skf18("2","5","10","3","4","10","1") = "9"
    & skf18("2","5","10","3","5","1","1") = "9"
    & skf18("2","5","10","3","5","2","1") = "9"
    & skf18("2","5","10","3","5","3","1") = "9"
    & skf18("2","5","10","3","5","4","1") = "9"
    & skf18("2","5","10","3","5","5","1") = "9"
    & skf18("2","5","10","3","5","6","1") = "9"
    & skf18("2","5","10","3","5","7","1") = "9"
    & skf18("2","5","10","3","5","8","1") = "9"
    & skf18("2","5","10","3","5","9","1") = "9"
    & skf18("2","5","10","3","5","10","1") = "9"
    & skf18("2","5","10","3","6","1","1") = "9"
    & skf18("2","5","10","3","6","2","1") = "9"
    & skf18("2","5","10","3","6","3","1") = "9"
    & skf18("2","5","10","3","6","4","1") = "9"
    & skf18("2","5","10","3","6","5","1") = "9"
    & skf18("2","5","10","3","6","6","1") = "9"
    & skf18("2","5","10","3","6","7","1") = "9"
    & skf18("2","5","10","3","6","8","1") = "9"
    & skf18("2","5","10","3","6","9","1") = "9"
    & skf18("2","5","10","3","6","10","1") = "9"
    & skf18("2","5","10","3","7","1","1") = "9"
    & skf18("2","5","10","3","7","2","1") = "9"
    & skf18("2","5","10","3","7","3","1") = "9"
    & skf18("2","5","10","3","7","4","1") = "9"
    & skf18("2","5","10","3","7","5","1") = "9"
    & skf18("2","5","10","3","7","6","1") = "9"
    & skf18("2","5","10","3","7","7","1") = "9"
    & skf18("2","5","10","3","7","8","1") = "9"
    & skf18("2","5","10","3","7","9","1") = "9"
    & skf18("2","5","10","3","7","10","1") = "9"
    & skf18("2","5","10","3","8","1","1") = "9"
    & skf18("2","5","10","3","8","2","1") = "9"
    & skf18("2","5","10","3","8","3","1") = "9"
    & skf18("2","5","10","3","8","4","1") = "9"
    & skf18("2","5","10","3","8","5","1") = "9"
    & skf18("2","5","10","3","8","6","1") = "9"
    & skf18("2","5","10","3","8","7","1") = "9"
    & skf18("2","5","10","3","8","8","1") = "9"
    & skf18("2","5","10","3","8","9","1") = "9"
    & skf18("2","5","10","3","8","10","1") = "9"
    & skf18("2","5","10","3","9","1","1") = "9"
    & skf18("2","5","10","3","9","2","1") = "9"
    & skf18("2","5","10","3","9","3","1") = "9"
    & skf18("2","5","10","3","9","4","1") = "9"
    & skf18("2","5","10","3","9","5","1") = "9"
    & skf18("2","5","10","3","9","6","1") = "9"
    & skf18("2","5","10","3","9","7","1") = "9"
    & skf18("2","5","10","3","9","8","1") = "9"
    & skf18("2","5","10","3","9","9","1") = "9"
    & skf18("2","5","10","3","9","10","1") = "9"
    & skf18("2","5","10","3","10","1","1") = "9"
    & skf18("2","5","10","3","10","2","1") = "9"
    & skf18("2","5","10","3","10","3","1") = "9"
    & skf18("2","5","10","3","10","4","1") = "9"
    & skf18("2","5","10","3","10","5","1") = "9"
    & skf18("2","5","10","3","10","6","1") = "9"
    & skf18("2","5","10","3","10","7","1") = "9"
    & skf18("2","5","10","3","10","8","1") = "9"
    & skf18("2","5","10","3","10","9","1") = "9"
    & skf18("2","5","10","3","10","10","1") = "9"
    & skf18("2","5","10","4","1","1","1") = "9"
    & skf18("2","5","10","4","1","2","1") = "9"
    & skf18("2","5","10","4","1","3","1") = "9"
    & skf18("2","5","10","4","1","4","1") = "9"
    & skf18("2","5","10","4","1","5","1") = "9"
    & skf18("2","5","10","4","1","6","1") = "9"
    & skf18("2","5","10","4","1","7","1") = "9"
    & skf18("2","5","10","4","1","8","1") = "9"
    & skf18("2","5","10","4","1","9","1") = "9"
    & skf18("2","5","10","4","1","10","1") = "9"
    & skf18("2","5","10","4","2","1","1") = "9"
    & skf18("2","5","10","4","2","2","1") = "9"
    & skf18("2","5","10","4","2","3","1") = "9"
    & skf18("2","5","10","4","2","4","1") = "9"
    & skf18("2","5","10","4","2","5","1") = "9"
    & skf18("2","5","10","4","2","6","1") = "9"
    & skf18("2","5","10","4","2","7","1") = "9"
    & skf18("2","5","10","4","2","8","1") = "9"
    & skf18("2","5","10","4","2","9","1") = "9"
    & skf18("2","5","10","4","2","10","1") = "9"
    & skf18("2","5","10","4","3","1","1") = "9"
    & skf18("2","5","10","4","3","2","1") = "9"
    & skf18("2","5","10","4","3","3","1") = "9"
    & skf18("2","5","10","4","3","4","1") = "9"
    & skf18("2","5","10","4","3","5","1") = "9"
    & skf18("2","5","10","4","3","6","1") = "9"
    & skf18("2","5","10","4","3","7","1") = "9"
    & skf18("2","5","10","4","3","8","1") = "9"
    & skf18("2","5","10","4","3","9","1") = "9"
    & skf18("2","5","10","4","3","10","1") = "9"
    & skf18("2","5","10","4","4","1","1") = "9"
    & skf18("2","5","10","4","4","2","1") = "9"
    & skf18("2","5","10","4","4","3","1") = "9"
    & skf18("2","5","10","4","4","4","1") = "9"
    & skf18("2","5","10","4","4","5","1") = "9"
    & skf18("2","5","10","4","4","6","1") = "9"
    & skf18("2","5","10","4","4","7","1") = "9"
    & skf18("2","5","10","4","4","8","1") = "9"
    & skf18("2","5","10","4","4","9","1") = "9"
    & skf18("2","5","10","4","4","10","1") = "9"
    & skf18("2","5","10","4","5","1","1") = "9"
    & skf18("2","5","10","4","5","2","1") = "9"
    & skf18("2","5","10","4","5","3","1") = "9"
    & skf18("2","5","10","4","5","4","1") = "9"
    & skf18("2","5","10","4","5","5","1") = "9"
    & skf18("2","5","10","4","5","6","1") = "9"
    & skf18("2","5","10","4","5","7","1") = "9"
    & skf18("2","5","10","4","5","8","1") = "9"
    & skf18("2","5","10","4","5","9","1") = "9"
    & skf18("2","5","10","4","5","10","1") = "9"
    & skf18("2","5","10","4","6","1","1") = "9"
    & skf18("2","5","10","4","6","2","1") = "9"
    & skf18("2","5","10","4","6","3","1") = "9"
    & skf18("2","5","10","4","6","4","1") = "9"
    & skf18("2","5","10","4","6","5","1") = "9"
    & skf18("2","5","10","4","6","6","1") = "9"
    & skf18("2","5","10","4","6","7","1") = "9"
    & skf18("2","5","10","4","6","8","1") = "9"
    & skf18("2","5","10","4","6","9","1") = "9"
    & skf18("2","5","10","4","6","10","1") = "9"
    & skf18("2","5","10","4","7","1","1") = "9"
    & skf18("2","5","10","4","7","2","1") = "9"
    & skf18("2","5","10","4","7","3","1") = "9"
    & skf18("2","5","10","4","7","4","1") = "9"
    & skf18("2","5","10","4","7","5","1") = "9"
    & skf18("2","5","10","4","7","6","1") = "9"
    & skf18("2","5","10","4","7","7","1") = "9"
    & skf18("2","5","10","4","7","8","1") = "9"
    & skf18("2","5","10","4","7","9","1") = "9"
    & skf18("2","5","10","4","7","10","1") = "9"
    & skf18("2","5","10","4","8","1","1") = "9"
    & skf18("2","5","10","4","8","2","1") = "9"
    & skf18("2","5","10","4","8","3","1") = "9"
    & skf18("2","5","10","4","8","4","1") = "9"
    & skf18("2","5","10","4","8","5","1") = "9"
    & skf18("2","5","10","4","8","6","1") = "9"
    & skf18("2","5","10","4","8","7","1") = "9"
    & skf18("2","5","10","4","8","8","1") = "9"
    & skf18("2","5","10","4","8","9","1") = "9"
    & skf18("2","5","10","4","8","10","1") = "9"
    & skf18("2","5","10","4","9","1","1") = "9"
    & skf18("2","5","10","4","9","2","1") = "9"
    & skf18("2","5","10","4","9","3","1") = "9"
    & skf18("2","5","10","4","9","4","1") = "9"
    & skf18("2","5","10","4","9","5","1") = "9"
    & skf18("2","5","10","4","9","6","1") = "9"
    & skf18("2","5","10","4","9","7","1") = "9"
    & skf18("2","5","10","4","9","8","1") = "9"
    & skf18("2","5","10","4","9","9","1") = "9"
    & skf18("2","5","10","4","9","10","1") = "9"
    & skf18("2","5","10","4","10","1","1") = "9"
    & skf18("2","5","10","4","10","2","1") = "9"
    & skf18("2","5","10","4","10","3","1") = "9"
    & skf18("2","5","10","4","10","4","1") = "9"
    & skf18("2","5","10","4","10","5","1") = "9"
    & skf18("2","5","10","4","10","6","1") = "9"
    & skf18("2","5","10","4","10","7","1") = "9"
    & skf18("2","5","10","4","10","8","1") = "9"
    & skf18("2","5","10","4","10","9","1") = "9"
    & skf18("2","5","10","4","10","10","1") = "9"
    & skf18("2","5","10","5","1","1","1") = "9"
    & skf18("2","5","10","5","1","2","1") = "9"
    & skf18("2","5","10","5","1","3","1") = "9"
    & skf18("2","5","10","5","1","4","1") = "9"
    & skf18("2","5","10","5","1","5","1") = "9"
    & skf18("2","5","10","5","1","6","1") = "9"
    & skf18("2","5","10","5","1","7","1") = "9"
    & skf18("2","5","10","5","1","8","1") = "9"
    & skf18("2","5","10","5","1","9","1") = "9"
    & skf18("2","5","10","5","1","10","1") = "9"
    & skf18("2","5","10","5","2","1","1") = "9"
    & skf18("2","5","10","5","2","2","1") = "9"
    & skf18("2","5","10","5","2","3","1") = "9"
    & skf18("2","5","10","5","2","4","1") = "9"
    & skf18("2","5","10","5","2","5","1") = "9"
    & skf18("2","5","10","5","2","6","1") = "9"
    & skf18("2","5","10","5","2","7","1") = "9"
    & skf18("2","5","10","5","2","8","1") = "9"
    & skf18("2","5","10","5","2","9","1") = "9"
    & skf18("2","5","10","5","2","10","1") = "9"
    & skf18("2","5","10","5","3","1","1") = "9"
    & skf18("2","5","10","5","3","2","1") = "9"
    & skf18("2","5","10","5","3","3","1") = "9"
    & skf18("2","5","10","5","3","4","1") = "9"
    & skf18("2","5","10","5","3","5","1") = "9"
    & skf18("2","5","10","5","3","6","1") = "9"
    & skf18("2","5","10","5","3","7","1") = "9"
    & skf18("2","5","10","5","3","8","1") = "9"
    & skf18("2","5","10","5","3","9","1") = "9"
    & skf18("2","5","10","5","3","10","1") = "9"
    & skf18("2","5","10","5","4","1","1") = "9"
    & skf18("2","5","10","5","4","2","1") = "9"
    & skf18("2","5","10","5","4","3","1") = "9"
    & skf18("2","5","10","5","4","4","1") = "9"
    & skf18("2","5","10","5","4","5","1") = "9"
    & skf18("2","5","10","5","4","6","1") = "9"
    & skf18("2","5","10","5","4","7","1") = "9"
    & skf18("2","5","10","5","4","8","1") = "9"
    & skf18("2","5","10","5","4","9","1") = "9"
    & skf18("2","5","10","5","4","10","1") = "9"
    & skf18("2","5","10","5","5","1","1") = "9"
    & skf18("2","5","10","5","5","2","1") = "9"
    & skf18("2","5","10","5","5","3","1") = "9"
    & skf18("2","5","10","5","5","4","1") = "9"
    & skf18("2","5","10","5","5","5","1") = "9"
    & skf18("2","5","10","5","5","6","1") = "9"
    & skf18("2","5","10","5","5","7","1") = "9"
    & skf18("2","5","10","5","5","8","1") = "9"
    & skf18("2","5","10","5","5","9","1") = "9"
    & skf18("2","5","10","5","5","10","1") = "9"
    & skf18("2","5","10","5","6","1","1") = "9"
    & skf18("2","5","10","5","6","2","1") = "9"
    & skf18("2","5","10","5","6","3","1") = "9"
    & skf18("2","5","10","5","6","4","1") = "9"
    & skf18("2","5","10","5","6","5","1") = "9"
    & skf18("2","5","10","5","6","6","1") = "9"
    & skf18("2","5","10","5","6","7","1") = "9"
    & skf18("2","5","10","5","6","8","1") = "9"
    & skf18("2","5","10","5","6","9","1") = "9"
    & skf18("2","5","10","5","6","10","1") = "9"
    & skf18("2","5","10","5","7","1","1") = "9"
    & skf18("2","5","10","5","7","2","1") = "9"
    & skf18("2","5","10","5","7","3","1") = "9"
    & skf18("2","5","10","5","7","4","1") = "9"
    & skf18("2","5","10","5","7","5","1") = "9"
    & skf18("2","5","10","5","7","6","1") = "9"
    & skf18("2","5","10","5","7","7","1") = "9"
    & skf18("2","5","10","5","7","8","1") = "9"
    & skf18("2","5","10","5","7","9","1") = "9"
    & skf18("2","5","10","5","7","10","1") = "9"
    & skf18("2","5","10","5","8","1","1") = "9"
    & skf18("2","5","10","5","8","2","1") = "9"
    & skf18("2","5","10","5","8","3","1") = "9"
    & skf18("2","5","10","5","8","4","1") = "9"
    & skf18("2","5","10","5","8","5","1") = "9"
    & skf18("2","5","10","5","8","6","1") = "9"
    & skf18("2","5","10","5","8","7","1") = "9"
    & skf18("2","5","10","5","8","8","1") = "9"
    & skf18("2","5","10","5","8","9","1") = "9"
    & skf18("2","5","10","5","8","10","1") = "9"
    & skf18("2","5","10","5","9","1","1") = "9"
    & skf18("2","5","10","5","9","2","1") = "9"
    & skf18("2","5","10","5","9","3","1") = "9"
    & skf18("2","5","10","5","9","4","1") = "9"
    & skf18("2","5","10","5","9","5","1") = "9"
    & skf18("2","5","10","5","9","6","1") = "9"
    & skf18("2","5","10","5","9","7","1") = "9"
    & skf18("2","5","10","5","9","8","1") = "9"
    & skf18("2","5","10","5","9","9","1") = "9"
    & skf18("2","5","10","5","9","10","1") = "9"
    & skf18("2","5","10","5","10","1","1") = "9"
    & skf18("2","5","10","5","10","2","1") = "9"
    & skf18("2","5","10","5","10","3","1") = "9"
    & skf18("2","5","10","5","10","4","1") = "9"
    & skf18("2","5","10","5","10","5","1") = "9"
    & skf18("2","5","10","5","10","6","1") = "9"
    & skf18("2","5","10","5","10","7","1") = "9"
    & skf18("2","5","10","5","10","8","1") = "9"
    & skf18("2","5","10","5","10","9","1") = "9"
    & skf18("2","5","10","5","10","10","1") = "9"
    & skf18("2","5","10","6","1","1","1") = "9"
    & skf18("2","5","10","6","1","2","1") = "9"
    & skf18("2","5","10","6","1","3","1") = "9"
    & skf18("2","5","10","6","1","4","1") = "9"
    & skf18("2","5","10","6","1","5","1") = "9"
    & skf18("2","5","10","6","1","6","1") = "9"
    & skf18("2","5","10","6","1","7","1") = "9"
    & skf18("2","5","10","6","1","8","1") = "9"
    & skf18("2","5","10","6","1","9","1") = "9"
    & skf18("2","5","10","6","1","10","1") = "9"
    & skf18("2","5","10","6","2","1","1") = "9"
    & skf18("2","5","10","6","2","2","1") = "9"
    & skf18("2","5","10","6","2","3","1") = "9"
    & skf18("2","5","10","6","2","4","1") = "9"
    & skf18("2","5","10","6","2","5","1") = "9"
    & skf18("2","5","10","6","2","6","1") = "9"
    & skf18("2","5","10","6","2","7","1") = "9"
    & skf18("2","5","10","6","2","8","1") = "9"
    & skf18("2","5","10","6","2","9","1") = "9"
    & skf18("2","5","10","6","2","10","1") = "9"
    & skf18("2","5","10","6","3","1","1") = "9"
    & skf18("2","5","10","6","3","2","1") = "9"
    & skf18("2","5","10","6","3","3","1") = "9"
    & skf18("2","5","10","6","3","4","1") = "9"
    & skf18("2","5","10","6","3","5","1") = "9"
    & skf18("2","5","10","6","3","6","1") = "9"
    & skf18("2","5","10","6","3","7","1") = "9"
    & skf18("2","5","10","6","3","8","1") = "9"
    & skf18("2","5","10","6","3","9","1") = "9"
    & skf18("2","5","10","6","3","10","1") = "9"
    & skf18("2","5","10","6","4","1","1") = "9"
    & skf18("2","5","10","6","4","2","1") = "9"
    & skf18("2","5","10","6","4","3","1") = "9"
    & skf18("2","5","10","6","4","4","1") = "9"
    & skf18("2","5","10","6","4","5","1") = "9"
    & skf18("2","5","10","6","4","6","1") = "9"
    & skf18("2","5","10","6","4","7","1") = "9"
    & skf18("2","5","10","6","4","8","1") = "9"
    & skf18("2","5","10","6","4","9","1") = "9"
    & skf18("2","5","10","6","4","10","1") = "9"
    & skf18("2","5","10","6","5","1","1") = "9"
    & skf18("2","5","10","6","5","2","1") = "9"
    & skf18("2","5","10","6","5","3","1") = "9"
    & skf18("2","5","10","6","5","4","1") = "9"
    & skf18("2","5","10","6","5","5","1") = "9"
    & skf18("2","5","10","6","5","6","1") = "9"
    & skf18("2","5","10","6","5","7","1") = "9"
    & skf18("2","5","10","6","5","8","1") = "9"
    & skf18("2","5","10","6","5","9","1") = "9"
    & skf18("2","5","10","6","5","10","1") = "9"
    & skf18("2","5","10","6","6","1","1") = "9"
    & skf18("2","5","10","6","6","2","1") = "9"
    & skf18("2","5","10","6","6","3","1") = "9"
    & skf18("2","5","10","6","6","4","1") = "9"
    & skf18("2","5","10","6","6","5","1") = "9"
    & skf18("2","5","10","6","6","6","1") = "9"
    & skf18("2","5","10","6","6","7","1") = "9"
    & skf18("2","5","10","6","6","8","1") = "9"
    & skf18("2","5","10","6","6","9","1") = "9"
    & skf18("2","5","10","6","6","10","1") = "9"
    & skf18("2","5","10","6","7","1","1") = "9"
    & skf18("2","5","10","6","7","2","1") = "9"
    & skf18("2","5","10","6","7","3","1") = "9"
    & skf18("2","5","10","6","7","4","1") = "9"
    & skf18("2","5","10","6","7","5","1") = "9"
    & skf18("2","5","10","6","7","6","1") = "9"
    & skf18("2","5","10","6","7","7","1") = "9"
    & skf18("2","5","10","6","7","8","1") = "9"
    & skf18("2","5","10","6","7","9","1") = "9"
    & skf18("2","5","10","6","7","10","1") = "9"
    & skf18("2","5","10","6","8","1","1") = "9"
    & skf18("2","5","10","6","8","2","1") = "9"
    & skf18("2","5","10","6","8","3","1") = "9"
    & skf18("2","5","10","6","8","4","1") = "9"
    & skf18("2","5","10","6","8","5","1") = "9"
    & skf18("2","5","10","6","8","6","1") = "9"
    & skf18("2","5","10","6","8","7","1") = "9"
    & skf18("2","5","10","6","8","8","1") = "9"
    & skf18("2","5","10","6","8","9","1") = "9"
    & skf18("2","5","10","6","8","10","1") = "9"
    & skf18("2","5","10","6","9","1","1") = "9"
    & skf18("2","5","10","6","9","2","1") = "9"
    & skf18("2","5","10","6","9","3","1") = "9"
    & skf18("2","5","10","6","9","4","1") = "9"
    & skf18("2","5","10","6","9","5","1") = "9"
    & skf18("2","5","10","6","9","6","1") = "9"
    & skf18("2","5","10","6","9","7","1") = "9"
    & skf18("2","5","10","6","9","8","1") = "9"
    & skf18("2","5","10","6","9","9","1") = "9"
    & skf18("2","5","10","6","9","10","1") = "9"
    & skf18("2","5","10","6","10","1","1") = "9"
    & skf18("2","5","10","6","10","2","1") = "9"
    & skf18("2","5","10","6","10","3","1") = "9"
    & skf18("2","5","10","6","10","4","1") = "9"
    & skf18("2","5","10","6","10","5","1") = "9"
    & skf18("2","5","10","6","10","6","1") = "9"
    & skf18("2","5","10","6","10","7","1") = "9"
    & skf18("2","5","10","6","10","8","1") = "9"
    & skf18("2","5","10","6","10","9","1") = "9"
    & skf18("2","5","10","6","10","10","1") = "9"
    & skf18("2","5","10","7","1","1","1") = "9"
    & skf18("2","5","10","7","1","2","1") = "9"
    & skf18("2","5","10","7","1","3","1") = "9"
    & skf18("2","5","10","7","1","4","1") = "9"
    & skf18("2","5","10","7","1","5","1") = "9"
    & skf18("2","5","10","7","1","6","1") = "9"
    & skf18("2","5","10","7","1","7","1") = "9"
    & skf18("2","5","10","7","1","8","1") = "9"
    & skf18("2","5","10","7","1","9","1") = "9"
    & skf18("2","5","10","7","1","10","1") = "9"
    & skf18("2","5","10","7","2","1","1") = "9"
    & skf18("2","5","10","7","2","2","1") = "9"
    & skf18("2","5","10","7","2","3","1") = "9"
    & skf18("2","5","10","7","2","4","1") = "9"
    & skf18("2","5","10","7","2","5","1") = "9"
    & skf18("2","5","10","7","2","6","1") = "9"
    & skf18("2","5","10","7","2","7","1") = "9"
    & skf18("2","5","10","7","2","8","1") = "9"
    & skf18("2","5","10","7","2","9","1") = "9"
    & skf18("2","5","10","7","2","10","1") = "9"
    & skf18("2","5","10","7","3","1","1") = "9"
    & skf18("2","5","10","7","3","2","1") = "9"
    & skf18("2","5","10","7","3","3","1") = "9"
    & skf18("2","5","10","7","3","4","1") = "9"
    & skf18("2","5","10","7","3","5","1") = "9"
    & skf18("2","5","10","7","3","6","1") = "9"
    & skf18("2","5","10","7","3","7","1") = "9"
    & skf18("2","5","10","7","3","8","1") = "9"
    & skf18("2","5","10","7","3","9","1") = "9"
    & skf18("2","5","10","7","3","10","1") = "9"
    & skf18("2","5","10","7","4","1","1") = "9"
    & skf18("2","5","10","7","4","2","1") = "9"
    & skf18("2","5","10","7","4","3","1") = "9"
    & skf18("2","5","10","7","4","4","1") = "9"
    & skf18("2","5","10","7","4","5","1") = "9"
    & skf18("2","5","10","7","4","6","1") = "9"
    & skf18("2","5","10","7","4","7","1") = "9"
    & skf18("2","5","10","7","4","8","1") = "9"
    & skf18("2","5","10","7","4","9","1") = "9"
    & skf18("2","5","10","7","4","10","1") = "9"
    & skf18("2","5","10","7","5","1","1") = "9"
    & skf18("2","5","10","7","5","2","1") = "9"
    & skf18("2","5","10","7","5","3","1") = "9"
    & skf18("2","5","10","7","5","4","1") = "9"
    & skf18("2","5","10","7","5","5","1") = "9"
    & skf18("2","5","10","7","5","6","1") = "9"
    & skf18("2","5","10","7","5","7","1") = "9"
    & skf18("2","5","10","7","5","8","1") = "9"
    & skf18("2","5","10","7","5","9","1") = "9"
    & skf18("2","5","10","7","5","10","1") = "9"
    & skf18("2","5","10","7","6","1","1") = "9"
    & skf18("2","5","10","7","6","2","1") = "9"
    & skf18("2","5","10","7","6","3","1") = "9"
    & skf18("2","5","10","7","6","4","1") = "9"
    & skf18("2","5","10","7","6","5","1") = "9"
    & skf18("2","5","10","7","6","6","1") = "9"
    & skf18("2","5","10","7","6","7","1") = "9"
    & skf18("2","5","10","7","6","8","1") = "9"
    & skf18("2","5","10","7","6","9","1") = "9"
    & skf18("2","5","10","7","6","10","1") = "9"
    & skf18("2","5","10","7","7","1","1") = "9"
    & skf18("2","5","10","7","7","2","1") = "9"
    & skf18("2","5","10","7","7","3","1") = "9"
    & skf18("2","5","10","7","7","4","1") = "9"
    & skf18("2","5","10","7","7","5","1") = "9"
    & skf18("2","5","10","7","7","6","1") = "9"
    & skf18("2","5","10","7","7","7","1") = "9"
    & skf18("2","5","10","7","7","8","1") = "9"
    & skf18("2","5","10","7","7","9","1") = "9"
    & skf18("2","5","10","7","7","10","1") = "9"
    & skf18("2","5","10","7","8","1","1") = "9"
    & skf18("2","5","10","7","8","2","1") = "9"
    & skf18("2","5","10","7","8","3","1") = "9"
    & skf18("2","5","10","7","8","4","1") = "9"
    & skf18("2","5","10","7","8","5","1") = "9"
    & skf18("2","5","10","7","8","6","1") = "9"
    & skf18("2","5","10","7","8","7","1") = "9"
    & skf18("2","5","10","7","8","8","1") = "9"
    & skf18("2","5","10","7","8","9","1") = "9"
    & skf18("2","5","10","7","8","10","1") = "9"
    & skf18("2","5","10","7","9","1","1") = "9"
    & skf18("2","5","10","7","9","2","1") = "9"
    & skf18("2","5","10","7","9","3","1") = "9"
    & skf18("2","5","10","7","9","4","1") = "9"
    & skf18("2","5","10","7","9","5","1") = "9"
    & skf18("2","5","10","7","9","6","1") = "9"
    & skf18("2","5","10","7","9","7","1") = "9"
    & skf18("2","5","10","7","9","8","1") = "9"
    & skf18("2","5","10","7","9","9","1") = "9"
    & skf18("2","5","10","7","9","10","1") = "9"
    & skf18("2","5","10","7","10","1","1") = "9"
    & skf18("2","5","10","7","10","2","1") = "9"
    & skf18("2","5","10","7","10","3","1") = "9"
    & skf18("2","5","10","7","10","4","1") = "9"
    & skf18("2","5","10","7","10","5","1") = "9"
    & skf18("2","5","10","7","10","6","1") = "9"
    & skf18("2","5","10","7","10","7","1") = "9"
    & skf18("2","5","10","7","10","8","1") = "9"
    & skf18("2","5","10","7","10","9","1") = "9"
    & skf18("2","5","10","7","10","10","1") = "9"
    & skf18("2","5","10","8","1","1","1") = "9"
    & skf18("2","5","10","8","1","2","1") = "9"
    & skf18("2","5","10","8","1","3","1") = "9"
    & skf18("2","5","10","8","1","4","1") = "9"
    & skf18("2","5","10","8","1","5","1") = "9"
    & skf18("2","5","10","8","1","6","1") = "9"
    & skf18("2","5","10","8","1","7","1") = "9"
    & skf18("2","5","10","8","1","8","1") = "9"
    & skf18("2","5","10","8","1","9","1") = "9"
    & skf18("2","5","10","8","1","10","1") = "9"
    & skf18("2","5","10","8","2","1","1") = "9"
    & skf18("2","5","10","8","2","2","1") = "9"
    & skf18("2","5","10","8","2","3","1") = "9"
    & skf18("2","5","10","8","2","4","1") = "9"
    & skf18("2","5","10","8","2","5","1") = "9"
    & skf18("2","5","10","8","2","6","1") = "9"
    & skf18("2","5","10","8","2","7","1") = "9"
    & skf18("2","5","10","8","2","8","1") = "9"
    & skf18("2","5","10","8","2","9","1") = "9"
    & skf18("2","5","10","8","2","10","1") = "9"
    & skf18("2","5","10","8","3","1","1") = "9"
    & skf18("2","5","10","8","3","2","1") = "9"
    & skf18("2","5","10","8","3","3","1") = "9"
    & skf18("2","5","10","8","3","4","1") = "9"
    & skf18("2","5","10","8","3","5","1") = "9"
    & skf18("2","5","10","8","3","6","1") = "9"
    & skf18("2","5","10","8","3","7","1") = "9"
    & skf18("2","5","10","8","3","8","1") = "9"
    & skf18("2","5","10","8","3","9","1") = "9"
    & skf18("2","5","10","8","3","10","1") = "9"
    & skf18("2","5","10","8","4","1","1") = "9"
    & skf18("2","5","10","8","4","2","1") = "9"
    & skf18("2","5","10","8","4","3","1") = "9"
    & skf18("2","5","10","8","4","4","1") = "9"
    & skf18("2","5","10","8","4","5","1") = "9"
    & skf18("2","5","10","8","4","6","1") = "9"
    & skf18("2","5","10","8","4","7","1") = "9"
    & skf18("2","5","10","8","4","8","1") = "9"
    & skf18("2","5","10","8","4","9","1") = "9"
    & skf18("2","5","10","8","4","10","1") = "9"
    & skf18("2","5","10","8","5","1","1") = "9"
    & skf18("2","5","10","8","5","2","1") = "9"
    & skf18("2","5","10","8","5","3","1") = "9"
    & skf18("2","5","10","8","5","4","1") = "9"
    & skf18("2","5","10","8","5","5","1") = "9"
    & skf18("2","5","10","8","5","6","1") = "9"
    & skf18("2","5","10","8","5","7","1") = "9"
    & skf18("2","5","10","8","5","8","1") = "9"
    & skf18("2","5","10","8","5","9","1") = "9"
    & skf18("2","5","10","8","5","10","1") = "9"
    & skf18("2","5","10","8","6","1","1") = "9"
    & skf18("2","5","10","8","6","2","1") = "9"
    & skf18("2","5","10","8","6","3","1") = "9"
    & skf18("2","5","10","8","6","4","1") = "9"
    & skf18("2","5","10","8","6","5","1") = "9"
    & skf18("2","5","10","8","6","6","1") = "9"
    & skf18("2","5","10","8","6","7","1") = "9"
    & skf18("2","5","10","8","6","8","1") = "9"
    & skf18("2","5","10","8","6","9","1") = "9"
    & skf18("2","5","10","8","6","10","1") = "9"
    & skf18("2","5","10","8","7","1","1") = "9"
    & skf18("2","5","10","8","7","2","1") = "9"
    & skf18("2","5","10","8","7","3","1") = "9"
    & skf18("2","5","10","8","7","4","1") = "9"
    & skf18("2","5","10","8","7","5","1") = "9"
    & skf18("2","5","10","8","7","6","1") = "9"
    & skf18("2","5","10","8","7","7","1") = "9"
    & skf18("2","5","10","8","7","8","1") = "9"
    & skf18("2","5","10","8","7","9","1") = "9"
    & skf18("2","5","10","8","7","10","1") = "9"
    & skf18("2","5","10","8","8","1","1") = "9"
    & skf18("2","5","10","8","8","2","1") = "9"
    & skf18("2","5","10","8","8","3","1") = "9"
    & skf18("2","5","10","8","8","4","1") = "9"
    & skf18("2","5","10","8","8","5","1") = "9"
    & skf18("2","5","10","8","8","6","1") = "9"
    & skf18("2","5","10","8","8","7","1") = "9"
    & skf18("2","5","10","8","8","8","1") = "9"
    & skf18("2","5","10","8","8","9","1") = "9"
    & skf18("2","5","10","8","8","10","1") = "9"
    & skf18("2","5","10","8","9","1","1") = "9"
    & skf18("2","5","10","8","9","2","1") = "9"
    & skf18("2","5","10","8","9","3","1") = "9"
    & skf18("2","5","10","8","9","4","1") = "9"
    & skf18("2","5","10","8","9","5","1") = "9"
    & skf18("2","5","10","8","9","6","1") = "9"
    & skf18("2","5","10","8","9","7","1") = "9"
    & skf18("2","5","10","8","9","8","1") = "9"
    & skf18("2","5","10","8","9","9","1") = "9"
    & skf18("2","5","10","8","9","10","1") = "9"
    & skf18("2","5","10","8","10","1","1") = "9"
    & skf18("2","5","10","8","10","2","1") = "9"
    & skf18("2","5","10","8","10","3","1") = "9"
    & skf18("2","5","10","8","10","4","1") = "9"
    & skf18("2","5","10","8","10","5","1") = "9"
    & skf18("2","5","10","8","10","6","1") = "9"
    & skf18("2","5","10","8","10","7","1") = "9"
    & skf18("2","5","10","8","10","8","1") = "9"
    & skf18("2","5","10","8","10","9","1") = "9"
    & skf18("2","5","10","8","10","10","1") = "9"
    & skf18("2","5","10","9","1","1","1") = "9"
    & skf18("2","5","10","9","1","2","1") = "9"
    & skf18("2","5","10","9","1","3","1") = "9"
    & skf18("2","5","10","9","1","4","1") = "9"
    & skf18("2","5","10","9","1","5","1") = "9"
    & skf18("2","5","10","9","1","6","1") = "9"
    & skf18("2","5","10","9","1","7","1") = "9"
    & skf18("2","5","10","9","1","8","1") = "9"
    & skf18("2","5","10","9","1","9","1") = "9"
    & skf18("2","5","10","9","1","10","1") = "9"
    & skf18("2","5","10","9","2","1","1") = "9"
    & skf18("2","5","10","9","2","2","1") = "9"
    & skf18("2","5","10","9","2","3","1") = "9"
    & skf18("2","5","10","9","2","4","1") = "9"
    & skf18("2","5","10","9","2","5","1") = "9"
    & skf18("2","5","10","9","2","6","1") = "9"
    & skf18("2","5","10","9","2","7","1") = "9"
    & skf18("2","5","10","9","2","8","1") = "9"
    & skf18("2","5","10","9","2","9","1") = "9"
    & skf18("2","5","10","9","2","10","1") = "9"
    & skf18("2","5","10","9","3","1","1") = "9"
    & skf18("2","5","10","9","3","2","1") = "9"
    & skf18("2","5","10","9","3","3","1") = "9"
    & skf18("2","5","10","9","3","4","1") = "9"
    & skf18("2","5","10","9","3","5","1") = "9"
    & skf18("2","5","10","9","3","6","1") = "9"
    & skf18("2","5","10","9","3","7","1") = "9"
    & skf18("2","5","10","9","3","8","1") = "9"
    & skf18("2","5","10","9","3","9","1") = "9"
    & skf18("2","5","10","9","3","10","1") = "9"
    & skf18("2","5","10","9","4","1","1") = "9"
    & skf18("2","5","10","9","4","2","1") = "9"
    & skf18("2","5","10","9","4","3","1") = "9"
    & skf18("2","5","10","9","4","4","1") = "9"
    & skf18("2","5","10","9","4","5","1") = "9"
    & skf18("2","5","10","9","4","6","1") = "9"
    & skf18("2","5","10","9","4","7","1") = "9"
    & skf18("2","5","10","9","4","8","1") = "9"
    & skf18("2","5","10","9","4","9","1") = "9"
    & skf18("2","5","10","9","4","10","1") = "9"
    & skf18("2","5","10","9","5","1","1") = "9"
    & skf18("2","5","10","9","5","2","1") = "9"
    & skf18("2","5","10","9","5","3","1") = "9"
    & skf18("2","5","10","9","5","4","1") = "9"
    & skf18("2","5","10","9","5","5","1") = "9"
    & skf18("2","5","10","9","5","6","1") = "9"
    & skf18("2","5","10","9","5","7","1") = "9"
    & skf18("2","5","10","9","5","8","1") = "9"
    & skf18("2","5","10","9","5","9","1") = "9"
    & skf18("2","5","10","9","5","10","1") = "9"
    & skf18("2","5","10","9","6","1","1") = "9"
    & skf18("2","5","10","9","6","2","1") = "9"
    & skf18("2","5","10","9","6","3","1") = "9"
    & skf18("2","5","10","9","6","4","1") = "9"
    & skf18("2","5","10","9","6","5","1") = "9"
    & skf18("2","5","10","9","6","6","1") = "9"
    & skf18("2","5","10","9","6","7","1") = "9"
    & skf18("2","5","10","9","6","8","1") = "9"
    & skf18("2","5","10","9","6","9","1") = "9"
    & skf18("2","5","10","9","6","10","1") = "9"
    & skf18("2","5","10","9","7","1","1") = "9"
    & skf18("2","5","10","9","7","2","1") = "9"
    & skf18("2","5","10","9","7","3","1") = "9"
    & skf18("2","5","10","9","7","4","1") = "9"
    & skf18("2","5","10","9","7","5","1") = "9"
    & skf18("2","5","10","9","7","6","1") = "9"
    & skf18("2","5","10","9","7","7","1") = "9"
    & skf18("2","5","10","9","7","8","1") = "9"
    & skf18("2","5","10","9","7","9","1") = "9"
    & skf18("2","5","10","9","7","10","1") = "9"
    & skf18("2","5","10","9","8","1","1") = "9"
    & skf18("2","5","10","9","8","2","1") = "9"
    & skf18("2","5","10","9","8","3","1") = "9"
    & skf18("2","5","10","9","8","4","1") = "9"
    & skf18("2","5","10","9","8","5","1") = "9"
    & skf18("2","5","10","9","8","6","1") = "9"
    & skf18("2","5","10","9","8","7","1") = "9"
    & skf18("2","5","10","9","8","8","1") = "9"
    & skf18("2","5","10","9","8","9","1") = "9"
    & skf18("2","5","10","9","8","10","1") = "9"
    & skf18("2","5","10","9","9","1","1") = "9"
    & skf18("2","5","10","9","9","2","1") = "9"
    & skf18("2","5","10","9","9","3","1") = "9"
    & skf18("2","5","10","9","9","4","1") = "9"
    & skf18("2","5","10","9","9","5","1") = "9"
    & skf18("2","5","10","9","9","6","1") = "9"
    & skf18("2","5","10","9","9","7","1") = "9"
    & skf18("2","5","10","9","9","8","1") = "9"
    & skf18("2","5","10","9","9","9","1") = "9"
    & skf18("2","5","10","9","9","10","1") = "9"
    & skf18("2","5","10","9","10","1","1") = "9"
    & skf18("2","5","10","9","10","2","1") = "9"
    & skf18("2","5","10","9","10","3","1") = "9"
    & skf18("2","5","10","9","10","4","1") = "9"
    & skf18("2","5","10","9","10","5","1") = "9"
    & skf18("2","5","10","9","10","6","1") = "9"
    & skf18("2","5","10","9","10","7","1") = "9"
    & skf18("2","5","10","9","10","8","1") = "9"
    & skf18("2","5","10","9","10","9","1") = "9"
    & skf18("2","5","10","9","10","10","1") = "9"
    & skf18("2","5","10","10","1","1","1") = "9"
    & skf18("2","5","10","10","1","2","1") = "9"
    & skf18("2","5","10","10","1","3","1") = "9"
    & skf18("2","5","10","10","1","4","1") = "9"
    & skf18("2","5","10","10","1","5","1") = "9"
    & skf18("2","5","10","10","1","6","1") = "9"
    & skf18("2","5","10","10","1","7","1") = "9"
    & skf18("2","5","10","10","1","8","1") = "9"
    & skf18("2","5","10","10","1","9","1") = "9"
    & skf18("2","5","10","10","1","10","1") = "9"
    & skf18("2","5","10","10","2","1","1") = "9"
    & skf18("2","5","10","10","2","2","1") = "9"
    & skf18("2","5","10","10","2","3","1") = "9"
    & skf18("2","5","10","10","2","4","1") = "9"
    & skf18("2","5","10","10","2","5","1") = "9"
    & skf18("2","5","10","10","2","6","1") = "9"
    & skf18("2","5","10","10","2","7","1") = "9"
    & skf18("2","5","10","10","2","8","1") = "9"
    & skf18("2","5","10","10","2","9","1") = "9"
    & skf18("2","5","10","10","2","10","1") = "9"
    & skf18("2","5","10","10","3","1","1") = "9"
    & skf18("2","5","10","10","3","2","1") = "9"
    & skf18("2","5","10","10","3","3","1") = "9"
    & skf18("2","5","10","10","3","4","1") = "9"
    & skf18("2","5","10","10","3","5","1") = "9"
    & skf18("2","5","10","10","3","6","1") = "9"
    & skf18("2","5","10","10","3","7","1") = "9"
    & skf18("2","5","10","10","3","8","1") = "9"
    & skf18("2","5","10","10","3","9","1") = "9"
    & skf18("2","5","10","10","3","10","1") = "9"
    & skf18("2","5","10","10","4","1","1") = "9"
    & skf18("2","5","10","10","4","2","1") = "9"
    & skf18("2","5","10","10","4","3","1") = "9"
    & skf18("2","5","10","10","4","4","1") = "9"
    & skf18("2","5","10","10","4","5","1") = "9"
    & skf18("2","5","10","10","4","6","1") = "9"
    & skf18("2","5","10","10","4","7","1") = "9"
    & skf18("2","5","10","10","4","8","1") = "9"
    & skf18("2","5","10","10","4","9","1") = "9"
    & skf18("2","5","10","10","4","10","1") = "9"
    & skf18("2","5","10","10","5","1","1") = "9"
    & skf18("2","5","10","10","5","2","1") = "9"
    & skf18("2","5","10","10","5","3","1") = "9"
    & skf18("2","5","10","10","5","4","1") = "9"
    & skf18("2","5","10","10","5","5","1") = "9"
    & skf18("2","5","10","10","5","6","1") = "9"
    & skf18("2","5","10","10","5","7","1") = "9"
    & skf18("2","5","10","10","5","8","1") = "9"
    & skf18("2","5","10","10","5","9","1") = "9"
    & skf18("2","5","10","10","5","10","1") = "9"
    & skf18("2","5","10","10","6","1","1") = "9"
    & skf18("2","5","10","10","6","2","1") = "9"
    & skf18("2","5","10","10","6","3","1") = "9"
    & skf18("2","5","10","10","6","4","1") = "9"
    & skf18("2","5","10","10","6","5","1") = "9"
    & skf18("2","5","10","10","6","6","1") = "9"
    & skf18("2","5","10","10","6","7","1") = "9"
    & skf18("2","5","10","10","6","8","1") = "9"
    & skf18("2","5","10","10","6","9","1") = "9"
    & skf18("2","5","10","10","6","10","1") = "9"
    & skf18("2","5","10","10","7","1","1") = "9"
    & skf18("2","5","10","10","7","2","1") = "9"
    & skf18("2","5","10","10","7","3","1") = "9"
    & skf18("2","5","10","10","7","4","1") = "9"
    & skf18("2","5","10","10","7","5","1") = "9"
    & skf18("2","5","10","10","7","6","1") = "9"
    & skf18("2","5","10","10","7","7","1") = "9"
    & skf18("2","5","10","10","7","8","1") = "9"
    & skf18("2","5","10","10","7","9","1") = "9"
    & skf18("2","5","10","10","7","10","1") = "9"
    & skf18("2","5","10","10","8","1","1") = "9"
    & skf18("2","5","10","10","8","2","1") = "9"
    & skf18("2","5","10","10","8","3","1") = "9"
    & skf18("2","5","10","10","8","4","1") = "9"
    & skf18("2","5","10","10","8","5","1") = "9"
    & skf18("2","5","10","10","8","6","1") = "9"
    & skf18("2","5","10","10","8","7","1") = "9"
    & skf18("2","5","10","10","8","8","1") = "9"
    & skf18("2","5","10","10","8","9","1") = "9"
    & skf18("2","5","10","10","8","10","1") = "9"
    & skf18("2","5","10","10","9","1","1") = "9"
    & skf18("2","5","10","10","9","2","1") = "9"
    & skf18("2","5","10","10","9","3","1") = "9"
    & skf18("2","5","10","10","9","4","1") = "9"
    & skf18("2","5","10","10","9","5","1") = "9"
    & skf18("2","5","10","10","9","6","1") = "9"
    & skf18("2","5","10","10","9","7","1") = "9"
    & skf18("2","5","10","10","9","8","1") = "9"
    & skf18("2","5","10","10","9","9","1") = "9"
    & skf18("2","5","10","10","9","10","1") = "9"
    & skf18("2","5","10","10","10","1","1") = "9"
    & skf18("2","5","10","10","10","2","1") = "9"
    & skf18("2","5","10","10","10","3","1") = "9"
    & skf18("2","5","10","10","10","4","1") = "9"
    & skf18("2","5","10","10","10","5","1") = "9"
    & skf18("2","5","10","10","10","6","1") = "9"
    & skf18("2","5","10","10","10","7","1") = "9"
    & skf18("2","5","10","10","10","8","1") = "9"
    & skf18("2","5","10","10","10","9","1") = "9"
    & skf18("2","5","10","10","10","10","1") = "9"
    & skf18("2","6","1","1","1","1","1") = "5"
    & skf18("2","6","1","1","1","2","1") = "5"
    & skf18("2","6","1","1","1","3","1") = "5"
    & skf18("2","6","1","1","1","4","1") = "5"
    & skf18("2","6","1","1","1","5","1") = "5"
    & skf18("2","6","1","1","1","6","1") = "5"
    & skf18("2","6","1","1","1","7","1") = "6"
    & skf18("2","6","1","1","1","8","1") = "7"
    & skf18("2","6","1","1","1","9","1") = "8"
    & skf18("2","6","1","1","1","10","1") = "9"
    & skf18("2","6","1","1","2","1","1") = "5"
    & skf18("2","6","1","1","2","2","1") = "5"
    & skf18("2","6","1","1","2","3","1") = "5"
    & skf18("2","6","1","1","2","4","1") = "5"
    & skf18("2","6","1","1","2","5","1") = "5"
    & skf18("2","6","1","1","2","6","1") = "5"
    & skf18("2","6","1","1","2","7","1") = "6"
    & skf18("2","6","1","1","2","8","1") = "7"
    & skf18("2","6","1","1","2","9","1") = "8"
    & skf18("2","6","1","1","2","10","1") = "9"
    & skf18("2","6","1","1","3","1","1") = "5"
    & skf18("2","6","1","1","3","2","1") = "5"
    & skf18("2","6","1","1","3","3","1") = "5"
    & skf18("2","6","1","1","3","4","1") = "5"
    & skf18("2","6","1","1","3","5","1") = "5"
    & skf18("2","6","1","1","3","6","1") = "5"
    & skf18("2","6","1","1","3","7","1") = "6"
    & skf18("2","6","1","1","3","8","1") = "7"
    & skf18("2","6","1","1","3","9","1") = "8"
    & skf18("2","6","1","1","3","10","1") = "9"
    & skf18("2","6","1","1","4","1","1") = "5"
    & skf18("2","6","1","1","4","2","1") = "5"
    & skf18("2","6","1","1","4","3","1") = "5"
    & skf18("2","6","1","1","4","4","1") = "5"
    & skf18("2","6","1","1","4","5","1") = "5"
    & skf18("2","6","1","1","4","6","1") = "5"
    & skf18("2","6","1","1","4","7","1") = "6"
    & skf18("2","6","1","1","4","8","1") = "7"
    & skf18("2","6","1","1","4","9","1") = "8"
    & skf18("2","6","1","1","4","10","1") = "9"
    & skf18("2","6","1","1","5","1","1") = "5"
    & skf18("2","6","1","1","5","2","1") = "5"
    & skf18("2","6","1","1","5","3","1") = "5"
    & skf18("2","6","1","1","5","4","1") = "5"
    & skf18("2","6","1","1","5","5","1") = "5"
    & skf18("2","6","1","1","5","6","1") = "5"
    & skf18("2","6","1","1","5","7","1") = "6"
    & skf18("2","6","1","1","5","8","1") = "7"
    & skf18("2","6","1","1","5","9","1") = "8"
    & skf18("2","6","1","1","5","10","1") = "9"
    & skf18("2","6","1","1","6","1","1") = "5"
    & skf18("2","6","1","1","6","2","1") = "5"
    & skf18("2","6","1","1","6","3","1") = "5"
    & skf18("2","6","1","1","6","4","1") = "5"
    & skf18("2","6","1","1","6","5","1") = "5"
    & skf18("2","6","1","1","6","6","1") = "5"
    & skf18("2","6","1","1","6","7","1") = "6"
    & skf18("2","6","1","1","6","8","1") = "7"
    & skf18("2","6","1","1","6","9","1") = "8"
    & skf18("2","6","1","1","6","10","1") = "9"
    & skf18("2","6","1","1","7","1","1") = "6"
    & skf18("2","6","1","1","7","2","1") = "6"
    & skf18("2","6","1","1","7","3","1") = "6"
    & skf18("2","6","1","1","7","4","1") = "6"
    & skf18("2","6","1","1","7","5","1") = "6"
    & skf18("2","6","1","1","7","6","1") = "6"
    & skf18("2","6","1","1","7","7","1") = "6"
    & skf18("2","6","1","1","7","8","1") = "7"
    & skf18("2","6","1","1","7","9","1") = "8"
    & skf18("2","6","1","1","7","10","1") = "9"
    & skf18("2","6","1","1","8","1","1") = "7"
    & skf18("2","6","1","1","8","2","1") = "7"
    & skf18("2","6","1","1","8","3","1") = "7"
    & skf18("2","6","1","1","8","4","1") = "7"
    & skf18("2","6","1","1","8","5","1") = "7"
    & skf18("2","6","1","1","8","6","1") = "7"
    & skf18("2","6","1","1","8","7","1") = "7"
    & skf18("2","6","1","1","8","8","1") = "7"
    & skf18("2","6","1","1","8","9","1") = "8"
    & skf18("2","6","1","1","8","10","1") = "9"
    & skf18("2","6","1","1","9","1","1") = "8"
    & skf18("2","6","1","1","9","2","1") = "8"
    & skf18("2","6","1","1","9","3","1") = "8"
    & skf18("2","6","1","1","9","4","1") = "8"
    & skf18("2","6","1","1","9","5","1") = "8"
    & skf18("2","6","1","1","9","6","1") = "8"
    & skf18("2","6","1","1","9","7","1") = "8"
    & skf18("2","6","1","1","9","8","1") = "8"
    & skf18("2","6","1","1","9","9","1") = "8"
    & skf18("2","6","1","1","9","10","1") = "9"
    & skf18("2","6","1","1","10","1","1") = "9"
    & skf18("2","6","1","1","10","2","1") = "9"
    & skf18("2","6","1","1","10","3","1") = "9"
    & skf18("2","6","1","1","10","4","1") = "9"
    & skf18("2","6","1","1","10","5","1") = "9"
    & skf18("2","6","1","1","10","6","1") = "9"
    & skf18("2","6","1","1","10","7","1") = "9"
    & skf18("2","6","1","1","10","8","1") = "9"
    & skf18("2","6","1","1","10","9","1") = "9"
    & skf18("2","6","1","1","10","10","1") = "9"
    & skf18("2","6","1","2","1","1","1") = "5"
    & skf18("2","6","1","2","1","2","1") = "5"
    & skf18("2","6","1","2","1","3","1") = "5"
    & skf18("2","6","1","2","1","4","1") = "5"
    & skf18("2","6","1","2","1","5","1") = "5"
    & skf18("2","6","1","2","1","6","1") = "5"
    & skf18("2","6","1","2","1","7","1") = "6"
    & skf18("2","6","1","2","1","8","1") = "7"
    & skf18("2","6","1","2","1","9","1") = "8"
    & skf18("2","6","1","2","1","10","1") = "9"
    & skf18("2","6","1","2","2","1","1") = "5"
    & skf18("2","6","1","2","2","2","1") = "5"
    & skf18("2","6","1","2","2","3","1") = "5"
    & skf18("2","6","1","2","2","4","1") = "5"
    & skf18("2","6","1","2","2","5","1") = "5"
    & skf18("2","6","1","2","2","6","1") = "5"
    & skf18("2","6","1","2","2","7","1") = "6"
    & skf18("2","6","1","2","2","8","1") = "7"
    & skf18("2","6","1","2","2","9","1") = "8"
    & skf18("2","6","1","2","2","10","1") = "9"
    & skf18("2","6","1","2","3","1","1") = "5"
    & skf18("2","6","1","2","3","2","1") = "5"
    & skf18("2","6","1","2","3","3","1") = "5"
    & skf18("2","6","1","2","3","4","1") = "5"
    & skf18("2","6","1","2","3","5","1") = "5"
    & skf18("2","6","1","2","3","6","1") = "5"
    & skf18("2","6","1","2","3","7","1") = "6"
    & skf18("2","6","1","2","3","8","1") = "7"
    & skf18("2","6","1","2","3","9","1") = "8"
    & skf18("2","6","1","2","3","10","1") = "9"
    & skf18("2","6","1","2","4","1","1") = "5"
    & skf18("2","6","1","2","4","2","1") = "5"
    & skf18("2","6","1","2","4","3","1") = "5"
    & skf18("2","6","1","2","4","4","1") = "5"
    & skf18("2","6","1","2","4","5","1") = "5"
    & skf18("2","6","1","2","4","6","1") = "5"
    & skf18("2","6","1","2","4","7","1") = "6"
    & skf18("2","6","1","2","4","8","1") = "7"
    & skf18("2","6","1","2","4","9","1") = "8"
    & skf18("2","6","1","2","4","10","1") = "9"
    & skf18("2","6","1","2","5","1","1") = "5"
    & skf18("2","6","1","2","5","2","1") = "5"
    & skf18("2","6","1","2","5","3","1") = "5"
    & skf18("2","6","1","2","5","4","1") = "5"
    & skf18("2","6","1","2","5","5","1") = "5"
    & skf18("2","6","1","2","5","6","1") = "5"
    & skf18("2","6","1","2","5","7","1") = "6"
    & skf18("2","6","1","2","5","8","1") = "7"
    & skf18("2","6","1","2","5","9","1") = "8"
    & skf18("2","6","1","2","5","10","1") = "9"
    & skf18("2","6","1","2","6","1","1") = "5"
    & skf18("2","6","1","2","6","2","1") = "5"
    & skf18("2","6","1","2","6","3","1") = "5"
    & skf18("2","6","1","2","6","4","1") = "5"
    & skf18("2","6","1","2","6","5","1") = "5"
    & skf18("2","6","1","2","6","6","1") = "5"
    & skf18("2","6","1","2","6","7","1") = "6"
    & skf18("2","6","1","2","6","8","1") = "7"
    & skf18("2","6","1","2","6","9","1") = "8"
    & skf18("2","6","1","2","6","10","1") = "9"
    & skf18("2","6","1","2","7","1","1") = "6"
    & skf18("2","6","1","2","7","2","1") = "6"
    & skf18("2","6","1","2","7","3","1") = "6"
    & skf18("2","6","1","2","7","4","1") = "6"
    & skf18("2","6","1","2","7","5","1") = "6"
    & skf18("2","6","1","2","7","6","1") = "6"
    & skf18("2","6","1","2","7","7","1") = "6"
    & skf18("2","6","1","2","7","8","1") = "7"
    & skf18("2","6","1","2","7","9","1") = "8"
    & skf18("2","6","1","2","7","10","1") = "9"
    & skf18("2","6","1","2","8","1","1") = "7"
    & skf18("2","6","1","2","8","2","1") = "7"
    & skf18("2","6","1","2","8","3","1") = "7"
    & skf18("2","6","1","2","8","4","1") = "7"
    & skf18("2","6","1","2","8","5","1") = "7"
    & skf18("2","6","1","2","8","6","1") = "7"
    & skf18("2","6","1","2","8","7","1") = "7"
    & skf18("2","6","1","2","8","8","1") = "7"
    & skf18("2","6","1","2","8","9","1") = "8"
    & skf18("2","6","1","2","8","10","1") = "9"
    & skf18("2","6","1","2","9","1","1") = "8"
    & skf18("2","6","1","2","9","2","1") = "8"
    & skf18("2","6","1","2","9","3","1") = "8"
    & skf18("2","6","1","2","9","4","1") = "8"
    & skf18("2","6","1","2","9","5","1") = "8"
    & skf18("2","6","1","2","9","6","1") = "8"
    & skf18("2","6","1","2","9","7","1") = "8"
    & skf18("2","6","1","2","9","8","1") = "8"
    & skf18("2","6","1","2","9","9","1") = "8"
    & skf18("2","6","1","2","9","10","1") = "9"
    & skf18("2","6","1","2","10","1","1") = "9"
    & skf18("2","6","1","2","10","2","1") = "9"
    & skf18("2","6","1","2","10","3","1") = "9"
    & skf18("2","6","1","2","10","4","1") = "9"
    & skf18("2","6","1","2","10","5","1") = "9"
    & skf18("2","6","1","2","10","6","1") = "9"
    & skf18("2","6","1","2","10","7","1") = "9"
    & skf18("2","6","1","2","10","8","1") = "9"
    & skf18("2","6","1","2","10","9","1") = "9"
    & skf18("2","6","1","2","10","10","1") = "9"
    & skf18("2","6","1","3","1","1","1") = "5"
    & skf18("2","6","1","3","1","2","1") = "5"
    & skf18("2","6","1","3","1","3","1") = "5"
    & skf18("2","6","1","3","1","4","1") = "5"
    & skf18("2","6","1","3","1","5","1") = "5"
    & skf18("2","6","1","3","1","6","1") = "5"
    & skf18("2","6","1","3","1","7","1") = "6"
    & skf18("2","6","1","3","1","8","1") = "7"
    & skf18("2","6","1","3","1","9","1") = "8"
    & skf18("2","6","1","3","1","10","1") = "9"
    & skf18("2","6","1","3","2","1","1") = "5"
    & skf18("2","6","1","3","2","2","1") = "5"
    & skf18("2","6","1","3","2","3","1") = "5"
    & skf18("2","6","1","3","2","4","1") = "5"
    & skf18("2","6","1","3","2","5","1") = "5"
    & skf18("2","6","1","3","2","6","1") = "5"
    & skf18("2","6","1","3","2","7","1") = "6"
    & skf18("2","6","1","3","2","8","1") = "7"
    & skf18("2","6","1","3","2","9","1") = "8"
    & skf18("2","6","1","3","2","10","1") = "9"
    & skf18("2","6","1","3","3","1","1") = "5"
    & skf18("2","6","1","3","3","2","1") = "5"
    & skf18("2","6","1","3","3","3","1") = "5"
    & skf18("2","6","1","3","3","4","1") = "5"
    & skf18("2","6","1","3","3","5","1") = "5"
    & skf18("2","6","1","3","3","6","1") = "5"
    & skf18("2","6","1","3","3","7","1") = "6"
    & skf18("2","6","1","3","3","8","1") = "7"
    & skf18("2","6","1","3","3","9","1") = "8"
    & skf18("2","6","1","3","3","10","1") = "9"
    & skf18("2","6","1","3","4","1","1") = "5"
    & skf18("2","6","1","3","4","2","1") = "5"
    & skf18("2","6","1","3","4","3","1") = "5"
    & skf18("2","6","1","3","4","4","1") = "5"
    & skf18("2","6","1","3","4","5","1") = "5"
    & skf18("2","6","1","3","4","6","1") = "5"
    & skf18("2","6","1","3","4","7","1") = "6"
    & skf18("2","6","1","3","4","8","1") = "7"
    & skf18("2","6","1","3","4","9","1") = "8"
    & skf18("2","6","1","3","4","10","1") = "9"
    & skf18("2","6","1","3","5","1","1") = "5"
    & skf18("2","6","1","3","5","2","1") = "5"
    & skf18("2","6","1","3","5","3","1") = "5"
    & skf18("2","6","1","3","5","4","1") = "5"
    & skf18("2","6","1","3","5","5","1") = "5"
    & skf18("2","6","1","3","5","6","1") = "5"
    & skf18("2","6","1","3","5","7","1") = "6"
    & skf18("2","6","1","3","5","8","1") = "7"
    & skf18("2","6","1","3","5","9","1") = "8"
    & skf18("2","6","1","3","5","10","1") = "9"
    & skf18("2","6","1","3","6","1","1") = "5"
    & skf18("2","6","1","3","6","2","1") = "5"
    & skf18("2","6","1","3","6","3","1") = "5"
    & skf18("2","6","1","3","6","4","1") = "5"
    & skf18("2","6","1","3","6","5","1") = "5"
    & skf18("2","6","1","3","6","6","1") = "5"
    & skf18("2","6","1","3","6","7","1") = "6"
    & skf18("2","6","1","3","6","8","1") = "7"
    & skf18("2","6","1","3","6","9","1") = "8"
    & skf18("2","6","1","3","6","10","1") = "9"
    & skf18("2","6","1","3","7","1","1") = "6"
    & skf18("2","6","1","3","7","2","1") = "6"
    & skf18("2","6","1","3","7","3","1") = "6"
    & skf18("2","6","1","3","7","4","1") = "6"
    & skf18("2","6","1","3","7","5","1") = "6"
    & skf18("2","6","1","3","7","6","1") = "6"
    & skf18("2","6","1","3","7","7","1") = "6"
    & skf18("2","6","1","3","7","8","1") = "7"
    & skf18("2","6","1","3","7","9","1") = "8"
    & skf18("2","6","1","3","7","10","1") = "9"
    & skf18("2","6","1","3","8","1","1") = "7"
    & skf18("2","6","1","3","8","2","1") = "7"
    & skf18("2","6","1","3","8","3","1") = "7"
    & skf18("2","6","1","3","8","4","1") = "7"
    & skf18("2","6","1","3","8","5","1") = "7"
    & skf18("2","6","1","3","8","6","1") = "7"
    & skf18("2","6","1","3","8","7","1") = "7"
    & skf18("2","6","1","3","8","8","1") = "7"
    & skf18("2","6","1","3","8","9","1") = "8"
    & skf18("2","6","1","3","8","10","1") = "9"
    & skf18("2","6","1","3","9","1","1") = "8"
    & skf18("2","6","1","3","9","2","1") = "8"
    & skf18("2","6","1","3","9","3","1") = "8"
    & skf18("2","6","1","3","9","4","1") = "8"
    & skf18("2","6","1","3","9","5","1") = "8"
    & skf18("2","6","1","3","9","6","1") = "8"
    & skf18("2","6","1","3","9","7","1") = "8"
    & skf18("2","6","1","3","9","8","1") = "8"
    & skf18("2","6","1","3","9","9","1") = "8"
    & skf18("2","6","1","3","9","10","1") = "9"
    & skf18("2","6","1","3","10","1","1") = "9"
    & skf18("2","6","1","3","10","2","1") = "9"
    & skf18("2","6","1","3","10","3","1") = "9"
    & skf18("2","6","1","3","10","4","1") = "9"
    & skf18("2","6","1","3","10","5","1") = "9"
    & skf18("2","6","1","3","10","6","1") = "9"
    & skf18("2","6","1","3","10","7","1") = "9"
    & skf18("2","6","1","3","10","8","1") = "9"
    & skf18("2","6","1","3","10","9","1") = "9"
    & skf18("2","6","1","3","10","10","1") = "9"
    & skf18("2","6","1","4","1","1","1") = "5"
    & skf18("2","6","1","4","1","2","1") = "5"
    & skf18("2","6","1","4","1","3","1") = "5"
    & skf18("2","6","1","4","1","4","1") = "5"
    & skf18("2","6","1","4","1","5","1") = "5"
    & skf18("2","6","1","4","1","6","1") = "5"
    & skf18("2","6","1","4","1","7","1") = "6"
    & skf18("2","6","1","4","1","8","1") = "7"
    & skf18("2","6","1","4","1","9","1") = "8"
    & skf18("2","6","1","4","1","10","1") = "9"
    & skf18("2","6","1","4","2","1","1") = "5"
    & skf18("2","6","1","4","2","2","1") = "5"
    & skf18("2","6","1","4","2","3","1") = "5"
    & skf18("2","6","1","4","2","4","1") = "5"
    & skf18("2","6","1","4","2","5","1") = "5"
    & skf18("2","6","1","4","2","6","1") = "5"
    & skf18("2","6","1","4","2","7","1") = "6"
    & skf18("2","6","1","4","2","8","1") = "7"
    & skf18("2","6","1","4","2","9","1") = "8"
    & skf18("2","6","1","4","2","10","1") = "9"
    & skf18("2","6","1","4","3","1","1") = "5"
    & skf18("2","6","1","4","3","2","1") = "5"
    & skf18("2","6","1","4","3","3","1") = "5"
    & skf18("2","6","1","4","3","4","1") = "5"
    & skf18("2","6","1","4","3","5","1") = "5"
    & skf18("2","6","1","4","3","6","1") = "5"
    & skf18("2","6","1","4","3","7","1") = "6"
    & skf18("2","6","1","4","3","8","1") = "7"
    & skf18("2","6","1","4","3","9","1") = "8"
    & skf18("2","6","1","4","3","10","1") = "9"
    & skf18("2","6","1","4","4","1","1") = "5"
    & skf18("2","6","1","4","4","2","1") = "5"
    & skf18("2","6","1","4","4","3","1") = "5"
    & skf18("2","6","1","4","4","4","1") = "5"
    & skf18("2","6","1","4","4","5","1") = "5"
    & skf18("2","6","1","4","4","6","1") = "5"
    & skf18("2","6","1","4","4","7","1") = "6"
    & skf18("2","6","1","4","4","8","1") = "7"
    & skf18("2","6","1","4","4","9","1") = "8"
    & skf18("2","6","1","4","4","10","1") = "9"
    & skf18("2","6","1","4","5","1","1") = "5"
    & skf18("2","6","1","4","5","2","1") = "5"
    & skf18("2","6","1","4","5","3","1") = "5"
    & skf18("2","6","1","4","5","4","1") = "5"
    & skf18("2","6","1","4","5","5","1") = "5"
    & skf18("2","6","1","4","5","6","1") = "5"
    & skf18("2","6","1","4","5","7","1") = "6"
    & skf18("2","6","1","4","5","8","1") = "7"
    & skf18("2","6","1","4","5","9","1") = "8"
    & skf18("2","6","1","4","5","10","1") = "9"
    & skf18("2","6","1","4","6","1","1") = "5"
    & skf18("2","6","1","4","6","2","1") = "5"
    & skf18("2","6","1","4","6","3","1") = "5"
    & skf18("2","6","1","4","6","4","1") = "5"
    & skf18("2","6","1","4","6","5","1") = "5"
    & skf18("2","6","1","4","6","6","1") = "5"
    & skf18("2","6","1","4","6","7","1") = "6"
    & skf18("2","6","1","4","6","8","1") = "7"
    & skf18("2","6","1","4","6","9","1") = "8"
    & skf18("2","6","1","4","6","10","1") = "9"
    & skf18("2","6","1","4","7","1","1") = "6"
    & skf18("2","6","1","4","7","2","1") = "6"
    & skf18("2","6","1","4","7","3","1") = "6"
    & skf18("2","6","1","4","7","4","1") = "6"
    & skf18("2","6","1","4","7","5","1") = "6"
    & skf18("2","6","1","4","7","6","1") = "6"
    & skf18("2","6","1","4","7","7","1") = "6"
    & skf18("2","6","1","4","7","8","1") = "7"
    & skf18("2","6","1","4","7","9","1") = "8"
    & skf18("2","6","1","4","7","10","1") = "9"
    & skf18("2","6","1","4","8","1","1") = "7"
    & skf18("2","6","1","4","8","2","1") = "7"
    & skf18("2","6","1","4","8","3","1") = "7"
    & skf18("2","6","1","4","8","4","1") = "7"
    & skf18("2","6","1","4","8","5","1") = "7"
    & skf18("2","6","1","4","8","6","1") = "7"
    & skf18("2","6","1","4","8","7","1") = "7"
    & skf18("2","6","1","4","8","8","1") = "7"
    & skf18("2","6","1","4","8","9","1") = "8"
    & skf18("2","6","1","4","8","10","1") = "9"
    & skf18("2","6","1","4","9","1","1") = "8"
    & skf18("2","6","1","4","9","2","1") = "8"
    & skf18("2","6","1","4","9","3","1") = "8"
    & skf18("2","6","1","4","9","4","1") = "8"
    & skf18("2","6","1","4","9","5","1") = "8"
    & skf18("2","6","1","4","9","6","1") = "8"
    & skf18("2","6","1","4","9","7","1") = "8"
    & skf18("2","6","1","4","9","8","1") = "8"
    & skf18("2","6","1","4","9","9","1") = "8"
    & skf18("2","6","1","4","9","10","1") = "9"
    & skf18("2","6","1","4","10","1","1") = "9"
    & skf18("2","6","1","4","10","2","1") = "9"
    & skf18("2","6","1","4","10","3","1") = "9"
    & skf18("2","6","1","4","10","4","1") = "9"
    & skf18("2","6","1","4","10","5","1") = "9"
    & skf18("2","6","1","4","10","6","1") = "9"
    & skf18("2","6","1","4","10","7","1") = "9"
    & skf18("2","6","1","4","10","8","1") = "9"
    & skf18("2","6","1","4","10","9","1") = "9"
    & skf18("2","6","1","4","10","10","1") = "9"
    & skf18("2","6","1","5","1","1","1") = "5"
    & skf18("2","6","1","5","1","2","1") = "5"
    & skf18("2","6","1","5","1","3","1") = "5"
    & skf18("2","6","1","5","1","4","1") = "5"
    & skf18("2","6","1","5","1","5","1") = "5"
    & skf18("2","6","1","5","1","6","1") = "5"
    & skf18("2","6","1","5","1","7","1") = "6"
    & skf18("2","6","1","5","1","8","1") = "7"
    & skf18("2","6","1","5","1","9","1") = "8"
    & skf18("2","6","1","5","1","10","1") = "9"
    & skf18("2","6","1","5","2","1","1") = "5"
    & skf18("2","6","1","5","2","2","1") = "5"
    & skf18("2","6","1","5","2","3","1") = "5"
    & skf18("2","6","1","5","2","4","1") = "5"
    & skf18("2","6","1","5","2","5","1") = "5"
    & skf18("2","6","1","5","2","6","1") = "5"
    & skf18("2","6","1","5","2","7","1") = "6"
    & skf18("2","6","1","5","2","8","1") = "7"
    & skf18("2","6","1","5","2","9","1") = "8"
    & skf18("2","6","1","5","2","10","1") = "9"
    & skf18("2","6","1","5","3","1","1") = "5"
    & skf18("2","6","1","5","3","2","1") = "5"
    & skf18("2","6","1","5","3","3","1") = "5"
    & skf18("2","6","1","5","3","4","1") = "5"
    & skf18("2","6","1","5","3","5","1") = "5"
    & skf18("2","6","1","5","3","6","1") = "5"
    & skf18("2","6","1","5","3","7","1") = "6"
    & skf18("2","6","1","5","3","8","1") = "7"
    & skf18("2","6","1","5","3","9","1") = "8"
    & skf18("2","6","1","5","3","10","1") = "9"
    & skf18("2","6","1","5","4","1","1") = "5"
    & skf18("2","6","1","5","4","2","1") = "5"
    & skf18("2","6","1","5","4","3","1") = "5"
    & skf18("2","6","1","5","4","4","1") = "5"
    & skf18("2","6","1","5","4","5","1") = "5"
    & skf18("2","6","1","5","4","6","1") = "5"
    & skf18("2","6","1","5","4","7","1") = "6"
    & skf18("2","6","1","5","4","8","1") = "7"
    & skf18("2","6","1","5","4","9","1") = "8"
    & skf18("2","6","1","5","4","10","1") = "9"
    & skf18("2","6","1","5","5","1","1") = "5"
    & skf18("2","6","1","5","5","2","1") = "5"
    & skf18("2","6","1","5","5","3","1") = "5"
    & skf18("2","6","1","5","5","4","1") = "5"
    & skf18("2","6","1","5","5","5","1") = "5"
    & skf18("2","6","1","5","5","6","1") = "5"
    & skf18("2","6","1","5","5","7","1") = "6"
    & skf18("2","6","1","5","5","8","1") = "7"
    & skf18("2","6","1","5","5","9","1") = "8"
    & skf18("2","6","1","5","5","10","1") = "9"
    & skf18("2","6","1","5","6","1","1") = "5"
    & skf18("2","6","1","5","6","2","1") = "5"
    & skf18("2","6","1","5","6","3","1") = "5"
    & skf18("2","6","1","5","6","4","1") = "5"
    & skf18("2","6","1","5","6","5","1") = "5"
    & skf18("2","6","1","5","6","6","1") = "5"
    & skf18("2","6","1","5","6","7","1") = "6"
    & skf18("2","6","1","5","6","8","1") = "7"
    & skf18("2","6","1","5","6","9","1") = "8"
    & skf18("2","6","1","5","6","10","1") = "9"
    & skf18("2","6","1","5","7","1","1") = "6"
    & skf18("2","6","1","5","7","2","1") = "6"
    & skf18("2","6","1","5","7","3","1") = "6"
    & skf18("2","6","1","5","7","4","1") = "6"
    & skf18("2","6","1","5","7","5","1") = "6"
    & skf18("2","6","1","5","7","6","1") = "6"
    & skf18("2","6","1","5","7","7","1") = "6"
    & skf18("2","6","1","5","7","8","1") = "7"
    & skf18("2","6","1","5","7","9","1") = "8"
    & skf18("2","6","1","5","7","10","1") = "9"
    & skf18("2","6","1","5","8","1","1") = "7"
    & skf18("2","6","1","5","8","2","1") = "7"
    & skf18("2","6","1","5","8","3","1") = "7"
    & skf18("2","6","1","5","8","4","1") = "7"
    & skf18("2","6","1","5","8","5","1") = "7"
    & skf18("2","6","1","5","8","6","1") = "7"
    & skf18("2","6","1","5","8","7","1") = "7"
    & skf18("2","6","1","5","8","8","1") = "7"
    & skf18("2","6","1","5","8","9","1") = "8"
    & skf18("2","6","1","5","8","10","1") = "9"
    & skf18("2","6","1","5","9","1","1") = "8"
    & skf18("2","6","1","5","9","2","1") = "8"
    & skf18("2","6","1","5","9","3","1") = "8"
    & skf18("2","6","1","5","9","4","1") = "8"
    & skf18("2","6","1","5","9","5","1") = "8"
    & skf18("2","6","1","5","9","6","1") = "8"
    & skf18("2","6","1","5","9","7","1") = "8"
    & skf18("2","6","1","5","9","8","1") = "8"
    & skf18("2","6","1","5","9","9","1") = "8"
    & skf18("2","6","1","5","9","10","1") = "9"
    & skf18("2","6","1","5","10","1","1") = "9"
    & skf18("2","6","1","5","10","2","1") = "9"
    & skf18("2","6","1","5","10","3","1") = "9"
    & skf18("2","6","1","5","10","4","1") = "9"
    & skf18("2","6","1","5","10","5","1") = "9"
    & skf18("2","6","1","5","10","6","1") = "9"
    & skf18("2","6","1","5","10","7","1") = "9"
    & skf18("2","6","1","5","10","8","1") = "9"
    & skf18("2","6","1","5","10","9","1") = "9"
    & skf18("2","6","1","5","10","10","1") = "9"
    & skf18("2","6","1","6","1","1","1") = "5"
    & skf18("2","6","1","6","1","2","1") = "5"
    & skf18("2","6","1","6","1","3","1") = "5"
    & skf18("2","6","1","6","1","4","1") = "5"
    & skf18("2","6","1","6","1","5","1") = "5"
    & skf18("2","6","1","6","1","6","1") = "5"
    & skf18("2","6","1","6","1","7","1") = "6"
    & skf18("2","6","1","6","1","8","1") = "7"
    & skf18("2","6","1","6","1","9","1") = "8"
    & skf18("2","6","1","6","1","10","1") = "9"
    & skf18("2","6","1","6","2","1","1") = "5"
    & skf18("2","6","1","6","2","2","1") = "5"
    & skf18("2","6","1","6","2","3","1") = "5"
    & skf18("2","6","1","6","2","4","1") = "5"
    & skf18("2","6","1","6","2","5","1") = "5"
    & skf18("2","6","1","6","2","6","1") = "5"
    & skf18("2","6","1","6","2","7","1") = "6"
    & skf18("2","6","1","6","2","8","1") = "7"
    & skf18("2","6","1","6","2","9","1") = "8"
    & skf18("2","6","1","6","2","10","1") = "9"
    & skf18("2","6","1","6","3","1","1") = "5"
    & skf18("2","6","1","6","3","2","1") = "5"
    & skf18("2","6","1","6","3","3","1") = "5"
    & skf18("2","6","1","6","3","4","1") = "5"
    & skf18("2","6","1","6","3","5","1") = "5"
    & skf18("2","6","1","6","3","6","1") = "5"
    & skf18("2","6","1","6","3","7","1") = "6"
    & skf18("2","6","1","6","3","8","1") = "7"
    & skf18("2","6","1","6","3","9","1") = "8"
    & skf18("2","6","1","6","3","10","1") = "9"
    & skf18("2","6","1","6","4","1","1") = "5"
    & skf18("2","6","1","6","4","2","1") = "5"
    & skf18("2","6","1","6","4","3","1") = "5"
    & skf18("2","6","1","6","4","4","1") = "5"
    & skf18("2","6","1","6","4","5","1") = "5"
    & skf18("2","6","1","6","4","6","1") = "5"
    & skf18("2","6","1","6","4","7","1") = "6"
    & skf18("2","6","1","6","4","8","1") = "7"
    & skf18("2","6","1","6","4","9","1") = "8"
    & skf18("2","6","1","6","4","10","1") = "9"
    & skf18("2","6","1","6","5","1","1") = "5"
    & skf18("2","6","1","6","5","2","1") = "5"
    & skf18("2","6","1","6","5","3","1") = "5"
    & skf18("2","6","1","6","5","4","1") = "5"
    & skf18("2","6","1","6","5","5","1") = "5"
    & skf18("2","6","1","6","5","6","1") = "5"
    & skf18("2","6","1","6","5","7","1") = "6"
    & skf18("2","6","1","6","5","8","1") = "7"
    & skf18("2","6","1","6","5","9","1") = "8"
    & skf18("2","6","1","6","5","10","1") = "9"
    & skf18("2","6","1","6","6","1","1") = "5"
    & skf18("2","6","1","6","6","2","1") = "5"
    & skf18("2","6","1","6","6","3","1") = "5"
    & skf18("2","6","1","6","6","4","1") = "5"
    & skf18("2","6","1","6","6","5","1") = "5"
    & skf18("2","6","1","6","6","6","1") = "5"
    & skf18("2","6","1","6","6","7","1") = "6"
    & skf18("2","6","1","6","6","8","1") = "7"
    & skf18("2","6","1","6","6","9","1") = "8"
    & skf18("2","6","1","6","6","10","1") = "9"
    & skf18("2","6","1","6","7","1","1") = "6"
    & skf18("2","6","1","6","7","2","1") = "6"
    & skf18("2","6","1","6","7","3","1") = "6"
    & skf18("2","6","1","6","7","4","1") = "6"
    & skf18("2","6","1","6","7","5","1") = "6"
    & skf18("2","6","1","6","7","6","1") = "6"
    & skf18("2","6","1","6","7","7","1") = "6"
    & skf18("2","6","1","6","7","8","1") = "7"
    & skf18("2","6","1","6","7","9","1") = "8"
    & skf18("2","6","1","6","7","10","1") = "9"
    & skf18("2","6","1","6","8","1","1") = "7"
    & skf18("2","6","1","6","8","2","1") = "7"
    & skf18("2","6","1","6","8","3","1") = "7"
    & skf18("2","6","1","6","8","4","1") = "7"
    & skf18("2","6","1","6","8","5","1") = "7"
    & skf18("2","6","1","6","8","6","1") = "7"
    & skf18("2","6","1","6","8","7","1") = "7"
    & skf18("2","6","1","6","8","8","1") = "7"
    & skf18("2","6","1","6","8","9","1") = "8"
    & skf18("2","6","1","6","8","10","1") = "9"
    & skf18("2","6","1","6","9","1","1") = "8"
    & skf18("2","6","1","6","9","2","1") = "8"
    & skf18("2","6","1","6","9","3","1") = "8"
    & skf18("2","6","1","6","9","4","1") = "8"
    & skf18("2","6","1","6","9","5","1") = "8"
    & skf18("2","6","1","6","9","6","1") = "8"
    & skf18("2","6","1","6","9","7","1") = "8"
    & skf18("2","6","1","6","9","8","1") = "8"
    & skf18("2","6","1","6","9","9","1") = "8"
    & skf18("2","6","1","6","9","10","1") = "9"
    & skf18("2","6","1","6","10","1","1") = "9"
    & skf18("2","6","1","6","10","2","1") = "9"
    & skf18("2","6","1","6","10","3","1") = "9"
    & skf18("2","6","1","6","10","4","1") = "9"
    & skf18("2","6","1","6","10","5","1") = "9"
    & skf18("2","6","1","6","10","6","1") = "9"
    & skf18("2","6","1","6","10","7","1") = "9"
    & skf18("2","6","1","6","10","8","1") = "9"
    & skf18("2","6","1","6","10","9","1") = "9"
    & skf18("2","6","1","6","10","10","1") = "9"
    & skf18("2","6","1","7","1","1","1") = "6"
    & skf18("2","6","1","7","1","2","1") = "6"
    & skf18("2","6","1","7","1","3","1") = "6"
    & skf18("2","6","1","7","1","4","1") = "6"
    & skf18("2","6","1","7","1","5","1") = "6"
    & skf18("2","6","1","7","1","6","1") = "6"
    & skf18("2","6","1","7","1","7","1") = "6"
    & skf18("2","6","1","7","1","8","1") = "7"
    & skf18("2","6","1","7","1","9","1") = "8"
    & skf18("2","6","1","7","1","10","1") = "9"
    & skf18("2","6","1","7","2","1","1") = "6"
    & skf18("2","6","1","7","2","2","1") = "6"
    & skf18("2","6","1","7","2","3","1") = "6"
    & skf18("2","6","1","7","2","4","1") = "6"
    & skf18("2","6","1","7","2","5","1") = "6"
    & skf18("2","6","1","7","2","6","1") = "6"
    & skf18("2","6","1","7","2","7","1") = "6"
    & skf18("2","6","1","7","2","8","1") = "7"
    & skf18("2","6","1","7","2","9","1") = "8"
    & skf18("2","6","1","7","2","10","1") = "9"
    & skf18("2","6","1","7","3","1","1") = "6"
    & skf18("2","6","1","7","3","2","1") = "6"
    & skf18("2","6","1","7","3","3","1") = "6"
    & skf18("2","6","1","7","3","4","1") = "6"
    & skf18("2","6","1","7","3","5","1") = "6"
    & skf18("2","6","1","7","3","6","1") = "6"
    & skf18("2","6","1","7","3","7","1") = "6"
    & skf18("2","6","1","7","3","8","1") = "7"
    & skf18("2","6","1","7","3","9","1") = "8"
    & skf18("2","6","1","7","3","10","1") = "9"
    & skf18("2","6","1","7","4","1","1") = "6"
    & skf18("2","6","1","7","4","2","1") = "6"
    & skf18("2","6","1","7","4","3","1") = "6"
    & skf18("2","6","1","7","4","4","1") = "6"
    & skf18("2","6","1","7","4","5","1") = "6"
    & skf18("2","6","1","7","4","6","1") = "6"
    & skf18("2","6","1","7","4","7","1") = "6"
    & skf18("2","6","1","7","4","8","1") = "7"
    & skf18("2","6","1","7","4","9","1") = "8"
    & skf18("2","6","1","7","4","10","1") = "9"
    & skf18("2","6","1","7","5","1","1") = "6"
    & skf18("2","6","1","7","5","2","1") = "6"
    & skf18("2","6","1","7","5","3","1") = "6"
    & skf18("2","6","1","7","5","4","1") = "6"
    & skf18("2","6","1","7","5","5","1") = "6"
    & skf18("2","6","1","7","5","6","1") = "6"
    & skf18("2","6","1","7","5","7","1") = "6"
    & skf18("2","6","1","7","5","8","1") = "7"
    & skf18("2","6","1","7","5","9","1") = "8"
    & skf18("2","6","1","7","5","10","1") = "9"
    & skf18("2","6","1","7","6","1","1") = "6"
    & skf18("2","6","1","7","6","2","1") = "6"
    & skf18("2","6","1","7","6","3","1") = "6"
    & skf18("2","6","1","7","6","4","1") = "6"
    & skf18("2","6","1","7","6","5","1") = "6"
    & skf18("2","6","1","7","6","6","1") = "6"
    & skf18("2","6","1","7","6","7","1") = "6"
    & skf18("2","6","1","7","6","8","1") = "7"
    & skf18("2","6","1","7","6","9","1") = "8"
    & skf18("2","6","1","7","6","10","1") = "9"
    & skf18("2","6","1","7","7","1","1") = "6"
    & skf18("2","6","1","7","7","2","1") = "6"
    & skf18("2","6","1","7","7","3","1") = "6"
    & skf18("2","6","1","7","7","4","1") = "6"
    & skf18("2","6","1","7","7","5","1") = "6"
    & skf18("2","6","1","7","7","6","1") = "6"
    & skf18("2","6","1","7","7","7","1") = "6"
    & skf18("2","6","1","7","7","8","1") = "7"
    & skf18("2","6","1","7","7","9","1") = "8"
    & skf18("2","6","1","7","7","10","1") = "9"
    & skf18("2","6","1","7","8","1","1") = "7"
    & skf18("2","6","1","7","8","2","1") = "7"
    & skf18("2","6","1","7","8","3","1") = "7"
    & skf18("2","6","1","7","8","4","1") = "7"
    & skf18("2","6","1","7","8","5","1") = "7"
    & skf18("2","6","1","7","8","6","1") = "7"
    & skf18("2","6","1","7","8","7","1") = "7"
    & skf18("2","6","1","7","8","8","1") = "7"
    & skf18("2","6","1","7","8","9","1") = "8"
    & skf18("2","6","1","7","8","10","1") = "9"
    & skf18("2","6","1","7","9","1","1") = "8"
    & skf18("2","6","1","7","9","2","1") = "8"
    & skf18("2","6","1","7","9","3","1") = "8"
    & skf18("2","6","1","7","9","4","1") = "8"
    & skf18("2","6","1","7","9","5","1") = "8"
    & skf18("2","6","1","7","9","6","1") = "8"
    & skf18("2","6","1","7","9","7","1") = "8"
    & skf18("2","6","1","7","9","8","1") = "8"
    & skf18("2","6","1","7","9","9","1") = "8"
    & skf18("2","6","1","7","9","10","1") = "9"
    & skf18("2","6","1","7","10","1","1") = "9"
    & skf18("2","6","1","7","10","2","1") = "9"
    & skf18("2","6","1","7","10","3","1") = "9"
    & skf18("2","6","1","7","10","4","1") = "9"
    & skf18("2","6","1","7","10","5","1") = "9"
    & skf18("2","6","1","7","10","6","1") = "9"
    & skf18("2","6","1","7","10","7","1") = "9"
    & skf18("2","6","1","7","10","8","1") = "9"
    & skf18("2","6","1","7","10","9","1") = "9"
    & skf18("2","6","1","7","10","10","1") = "9"
    & skf18("2","6","1","8","1","1","1") = "7"
    & skf18("2","6","1","8","1","2","1") = "7"
    & skf18("2","6","1","8","1","3","1") = "7"
    & skf18("2","6","1","8","1","4","1") = "7"
    & skf18("2","6","1","8","1","5","1") = "7"
    & skf18("2","6","1","8","1","6","1") = "7"
    & skf18("2","6","1","8","1","7","1") = "7"
    & skf18("2","6","1","8","1","8","1") = "7"
    & skf18("2","6","1","8","1","9","1") = "8"
    & skf18("2","6","1","8","1","10","1") = "9"
    & skf18("2","6","1","8","2","1","1") = "7"
    & skf18("2","6","1","8","2","2","1") = "7"
    & skf18("2","6","1","8","2","3","1") = "7"
    & skf18("2","6","1","8","2","4","1") = "7"
    & skf18("2","6","1","8","2","5","1") = "7"
    & skf18("2","6","1","8","2","6","1") = "7"
    & skf18("2","6","1","8","2","7","1") = "7"
    & skf18("2","6","1","8","2","8","1") = "7"
    & skf18("2","6","1","8","2","9","1") = "8"
    & skf18("2","6","1","8","2","10","1") = "9"
    & skf18("2","6","1","8","3","1","1") = "7"
    & skf18("2","6","1","8","3","2","1") = "7"
    & skf18("2","6","1","8","3","3","1") = "7"
    & skf18("2","6","1","8","3","4","1") = "7"
    & skf18("2","6","1","8","3","5","1") = "7"
    & skf18("2","6","1","8","3","6","1") = "7"
    & skf18("2","6","1","8","3","7","1") = "7"
    & skf18("2","6","1","8","3","8","1") = "7"
    & skf18("2","6","1","8","3","9","1") = "8"
    & skf18("2","6","1","8","3","10","1") = "9"
    & skf18("2","6","1","8","4","1","1") = "7"
    & skf18("2","6","1","8","4","2","1") = "7"
    & skf18("2","6","1","8","4","3","1") = "7"
    & skf18("2","6","1","8","4","4","1") = "7"
    & skf18("2","6","1","8","4","5","1") = "7"
    & skf18("2","6","1","8","4","6","1") = "7"
    & skf18("2","6","1","8","4","7","1") = "7"
    & skf18("2","6","1","8","4","8","1") = "7"
    & skf18("2","6","1","8","4","9","1") = "8"
    & skf18("2","6","1","8","4","10","1") = "9"
    & skf18("2","6","1","8","5","1","1") = "7"
    & skf18("2","6","1","8","5","2","1") = "7"
    & skf18("2","6","1","8","5","3","1") = "7"
    & skf18("2","6","1","8","5","4","1") = "7"
    & skf18("2","6","1","8","5","5","1") = "7"
    & skf18("2","6","1","8","5","6","1") = "7"
    & skf18("2","6","1","8","5","7","1") = "7"
    & skf18("2","6","1","8","5","8","1") = "7"
    & skf18("2","6","1","8","5","9","1") = "8"
    & skf18("2","6","1","8","5","10","1") = "9"
    & skf18("2","6","1","8","6","1","1") = "7"
    & skf18("2","6","1","8","6","2","1") = "7"
    & skf18("2","6","1","8","6","3","1") = "7"
    & skf18("2","6","1","8","6","4","1") = "7"
    & skf18("2","6","1","8","6","5","1") = "7"
    & skf18("2","6","1","8","6","6","1") = "7"
    & skf18("2","6","1","8","6","7","1") = "7"
    & skf18("2","6","1","8","6","8","1") = "7"
    & skf18("2","6","1","8","6","9","1") = "8"
    & skf18("2","6","1","8","6","10","1") = "9"
    & skf18("2","6","1","8","7","1","1") = "7"
    & skf18("2","6","1","8","7","2","1") = "7"
    & skf18("2","6","1","8","7","3","1") = "7"
    & skf18("2","6","1","8","7","4","1") = "7"
    & skf18("2","6","1","8","7","5","1") = "7"
    & skf18("2","6","1","8","7","6","1") = "7"
    & skf18("2","6","1","8","7","7","1") = "7"
    & skf18("2","6","1","8","7","8","1") = "7"
    & skf18("2","6","1","8","7","9","1") = "8"
    & skf18("2","6","1","8","7","10","1") = "9"
    & skf18("2","6","1","8","8","1","1") = "7"
    & skf18("2","6","1","8","8","2","1") = "7"
    & skf18("2","6","1","8","8","3","1") = "7"
    & skf18("2","6","1","8","8","4","1") = "7"
    & skf18("2","6","1","8","8","5","1") = "7"
    & skf18("2","6","1","8","8","6","1") = "7"
    & skf18("2","6","1","8","8","7","1") = "7"
    & skf18("2","6","1","8","8","8","1") = "7"
    & skf18("2","6","1","8","8","9","1") = "8"
    & skf18("2","6","1","8","8","10","1") = "9"
    & skf18("2","6","1","8","9","1","1") = "8"
    & skf18("2","6","1","8","9","2","1") = "8"
    & skf18("2","6","1","8","9","3","1") = "8"
    & skf18("2","6","1","8","9","4","1") = "8"
    & skf18("2","6","1","8","9","5","1") = "8"
    & skf18("2","6","1","8","9","6","1") = "8"
    & skf18("2","6","1","8","9","7","1") = "8"
    & skf18("2","6","1","8","9","8","1") = "8"
    & skf18("2","6","1","8","9","9","1") = "8"
    & skf18("2","6","1","8","9","10","1") = "9"
    & skf18("2","6","1","8","10","1","1") = "9"
    & skf18("2","6","1","8","10","2","1") = "9"
    & skf18("2","6","1","8","10","3","1") = "9"
    & skf18("2","6","1","8","10","4","1") = "9"
    & skf18("2","6","1","8","10","5","1") = "9"
    & skf18("2","6","1","8","10","6","1") = "9"
    & skf18("2","6","1","8","10","7","1") = "9"
    & skf18("2","6","1","8","10","8","1") = "9"
    & skf18("2","6","1","8","10","9","1") = "9"
    & skf18("2","6","1","8","10","10","1") = "9"
    & skf18("2","6","1","9","1","1","1") = "8"
    & skf18("2","6","1","9","1","2","1") = "8"
    & skf18("2","6","1","9","1","3","1") = "8"
    & skf18("2","6","1","9","1","4","1") = "8"
    & skf18("2","6","1","9","1","5","1") = "8"
    & skf18("2","6","1","9","1","6","1") = "8"
    & skf18("2","6","1","9","1","7","1") = "8"
    & skf18("2","6","1","9","1","8","1") = "8"
    & skf18("2","6","1","9","1","9","1") = "8"
    & skf18("2","6","1","9","1","10","1") = "9"
    & skf18("2","6","1","9","2","1","1") = "8"
    & skf18("2","6","1","9","2","2","1") = "8"
    & skf18("2","6","1","9","2","3","1") = "8"
    & skf18("2","6","1","9","2","4","1") = "8"
    & skf18("2","6","1","9","2","5","1") = "8"
    & skf18("2","6","1","9","2","6","1") = "8"
    & skf18("2","6","1","9","2","7","1") = "8"
    & skf18("2","6","1","9","2","8","1") = "8"
    & skf18("2","6","1","9","2","9","1") = "8"
    & skf18("2","6","1","9","2","10","1") = "9"
    & skf18("2","6","1","9","3","1","1") = "8"
    & skf18("2","6","1","9","3","2","1") = "8"
    & skf18("2","6","1","9","3","3","1") = "8"
    & skf18("2","6","1","9","3","4","1") = "8"
    & skf18("2","6","1","9","3","5","1") = "8"
    & skf18("2","6","1","9","3","6","1") = "8"
    & skf18("2","6","1","9","3","7","1") = "8"
    & skf18("2","6","1","9","3","8","1") = "8"
    & skf18("2","6","1","9","3","9","1") = "8"
    & skf18("2","6","1","9","3","10","1") = "9"
    & skf18("2","6","1","9","4","1","1") = "8"
    & skf18("2","6","1","9","4","2","1") = "8"
    & skf18("2","6","1","9","4","3","1") = "8"
    & skf18("2","6","1","9","4","4","1") = "8"
    & skf18("2","6","1","9","4","5","1") = "8"
    & skf18("2","6","1","9","4","6","1") = "8"
    & skf18("2","6","1","9","4","7","1") = "8"
    & skf18("2","6","1","9","4","8","1") = "8"
    & skf18("2","6","1","9","4","9","1") = "8"
    & skf18("2","6","1","9","4","10","1") = "9"
    & skf18("2","6","1","9","5","1","1") = "8"
    & skf18("2","6","1","9","5","2","1") = "8"
    & skf18("2","6","1","9","5","3","1") = "8"
    & skf18("2","6","1","9","5","4","1") = "8"
    & skf18("2","6","1","9","5","5","1") = "8"
    & skf18("2","6","1","9","5","6","1") = "8"
    & skf18("2","6","1","9","5","7","1") = "8"
    & skf18("2","6","1","9","5","8","1") = "8"
    & skf18("2","6","1","9","5","9","1") = "8"
    & skf18("2","6","1","9","5","10","1") = "9"
    & skf18("2","6","1","9","6","1","1") = "8"
    & skf18("2","6","1","9","6","2","1") = "8"
    & skf18("2","6","1","9","6","3","1") = "8"
    & skf18("2","6","1","9","6","4","1") = "8"
    & skf18("2","6","1","9","6","5","1") = "8"
    & skf18("2","6","1","9","6","6","1") = "8"
    & skf18("2","6","1","9","6","7","1") = "8"
    & skf18("2","6","1","9","6","8","1") = "8"
    & skf18("2","6","1","9","6","9","1") = "8"
    & skf18("2","6","1","9","6","10","1") = "9"
    & skf18("2","6","1","9","7","1","1") = "8"
    & skf18("2","6","1","9","7","2","1") = "8"
    & skf18("2","6","1","9","7","3","1") = "8"
    & skf18("2","6","1","9","7","4","1") = "8"
    & skf18("2","6","1","9","7","5","1") = "8"
    & skf18("2","6","1","9","7","6","1") = "8"
    & skf18("2","6","1","9","7","7","1") = "8"
    & skf18("2","6","1","9","7","8","1") = "8"
    & skf18("2","6","1","9","7","9","1") = "8"
    & skf18("2","6","1","9","7","10","1") = "9"
    & skf18("2","6","1","9","8","1","1") = "8"
    & skf18("2","6","1","9","8","2","1") = "8"
    & skf18("2","6","1","9","8","3","1") = "8"
    & skf18("2","6","1","9","8","4","1") = "8"
    & skf18("2","6","1","9","8","5","1") = "8"
    & skf18("2","6","1","9","8","6","1") = "8"
    & skf18("2","6","1","9","8","7","1") = "8"
    & skf18("2","6","1","9","8","8","1") = "8"
    & skf18("2","6","1","9","8","9","1") = "8"
    & skf18("2","6","1","9","8","10","1") = "9"
    & skf18("2","6","1","9","9","1","1") = "8"
    & skf18("2","6","1","9","9","2","1") = "8"
    & skf18("2","6","1","9","9","3","1") = "8"
    & skf18("2","6","1","9","9","4","1") = "8"
    & skf18("2","6","1","9","9","5","1") = "8"
    & skf18("2","6","1","9","9","6","1") = "8"
    & skf18("2","6","1","9","9","7","1") = "8"
    & skf18("2","6","1","9","9","8","1") = "8"
    & skf18("2","6","1","9","9","9","1") = "8"
    & skf18("2","6","1","9","9","10","1") = "9"
    & skf18("2","6","1","9","10","1","1") = "9"
    & skf18("2","6","1","9","10","2","1") = "9"
    & skf18("2","6","1","9","10","3","1") = "9"
    & skf18("2","6","1","9","10","4","1") = "9"
    & skf18("2","6","1","9","10","5","1") = "9"
    & skf18("2","6","1","9","10","6","1") = "9"
    & skf18("2","6","1","9","10","7","1") = "9"
    & skf18("2","6","1","9","10","8","1") = "9"
    & skf18("2","6","1","9","10","9","1") = "9"
    & skf18("2","6","1","9","10","10","1") = "9"
    & skf18("2","6","1","10","1","1","1") = "9"
    & skf18("2","6","1","10","1","2","1") = "9"
    & skf18("2","6","1","10","1","3","1") = "9"
    & skf18("2","6","1","10","1","4","1") = "9"
    & skf18("2","6","1","10","1","5","1") = "9"
    & skf18("2","6","1","10","1","6","1") = "9"
    & skf18("2","6","1","10","1","7","1") = "9"
    & skf18("2","6","1","10","1","8","1") = "9"
    & skf18("2","6","1","10","1","9","1") = "9"
    & skf18("2","6","1","10","1","10","1") = "9"
    & skf18("2","6","1","10","2","1","1") = "9"
    & skf18("2","6","1","10","2","2","1") = "9"
    & skf18("2","6","1","10","2","3","1") = "9"
    & skf18("2","6","1","10","2","4","1") = "9"
    & skf18("2","6","1","10","2","5","1") = "9"
    & skf18("2","6","1","10","2","6","1") = "9"
    & skf18("2","6","1","10","2","7","1") = "9"
    & skf18("2","6","1","10","2","8","1") = "9"
    & skf18("2","6","1","10","2","9","1") = "9"
    & skf18("2","6","1","10","2","10","1") = "9"
    & skf18("2","6","1","10","3","1","1") = "9"
    & skf18("2","6","1","10","3","2","1") = "9"
    & skf18("2","6","1","10","3","3","1") = "9"
    & skf18("2","6","1","10","3","4","1") = "9"
    & skf18("2","6","1","10","3","5","1") = "9"
    & skf18("2","6","1","10","3","6","1") = "9"
    & skf18("2","6","1","10","3","7","1") = "9"
    & skf18("2","6","1","10","3","8","1") = "9"
    & skf18("2","6","1","10","3","9","1") = "9"
    & skf18("2","6","1","10","3","10","1") = "9"
    & skf18("2","6","1","10","4","1","1") = "9"
    & skf18("2","6","1","10","4","2","1") = "9"
    & skf18("2","6","1","10","4","3","1") = "9"
    & skf18("2","6","1","10","4","4","1") = "9"
    & skf18("2","6","1","10","4","5","1") = "9"
    & skf18("2","6","1","10","4","6","1") = "9"
    & skf18("2","6","1","10","4","7","1") = "9"
    & skf18("2","6","1","10","4","8","1") = "9"
    & skf18("2","6","1","10","4","9","1") = "9"
    & skf18("2","6","1","10","4","10","1") = "9"
    & skf18("2","6","1","10","5","1","1") = "9"
    & skf18("2","6","1","10","5","2","1") = "9"
    & skf18("2","6","1","10","5","3","1") = "9"
    & skf18("2","6","1","10","5","4","1") = "9"
    & skf18("2","6","1","10","5","5","1") = "9"
    & skf18("2","6","1","10","5","6","1") = "9"
    & skf18("2","6","1","10","5","7","1") = "9"
    & skf18("2","6","1","10","5","8","1") = "9"
    & skf18("2","6","1","10","5","9","1") = "9"
    & skf18("2","6","1","10","5","10","1") = "9"
    & skf18("2","6","1","10","6","1","1") = "9"
    & skf18("2","6","1","10","6","2","1") = "9"
    & skf18("2","6","1","10","6","3","1") = "9"
    & skf18("2","6","1","10","6","4","1") = "9"
    & skf18("2","6","1","10","6","5","1") = "9"
    & skf18("2","6","1","10","6","6","1") = "9"
    & skf18("2","6","1","10","6","7","1") = "9"
    & skf18("2","6","1","10","6","8","1") = "9"
    & skf18("2","6","1","10","6","9","1") = "9"
    & skf18("2","6","1","10","6","10","1") = "9"
    & skf18("2","6","1","10","7","1","1") = "9"
    & skf18("2","6","1","10","7","2","1") = "9"
    & skf18("2","6","1","10","7","3","1") = "9"
    & skf18("2","6","1","10","7","4","1") = "9"
    & skf18("2","6","1","10","7","5","1") = "9"
    & skf18("2","6","1","10","7","6","1") = "9"
    & skf18("2","6","1","10","7","7","1") = "9"
    & skf18("2","6","1","10","7","8","1") = "9"
    & skf18("2","6","1","10","7","9","1") = "9"
    & skf18("2","6","1","10","7","10","1") = "9"
    & skf18("2","6","1","10","8","1","1") = "9"
    & skf18("2","6","1","10","8","2","1") = "9"
    & skf18("2","6","1","10","8","3","1") = "9"
    & skf18("2","6","1","10","8","4","1") = "9"
    & skf18("2","6","1","10","8","5","1") = "9"
    & skf18("2","6","1","10","8","6","1") = "9"
    & skf18("2","6","1","10","8","7","1") = "9"
    & skf18("2","6","1","10","8","8","1") = "9"
    & skf18("2","6","1","10","8","9","1") = "9"
    & skf18("2","6","1","10","8","10","1") = "9"
    & skf18("2","6","1","10","9","1","1") = "9"
    & skf18("2","6","1","10","9","2","1") = "9"
    & skf18("2","6","1","10","9","3","1") = "9"
    & skf18("2","6","1","10","9","4","1") = "9"
    & skf18("2","6","1","10","9","5","1") = "9"
    & skf18("2","6","1","10","9","6","1") = "9"
    & skf18("2","6","1","10","9","7","1") = "9"
    & skf18("2","6","1","10","9","8","1") = "9"
    & skf18("2","6","1","10","9","9","1") = "9"
    & skf18("2","6","1","10","9","10","1") = "9"
    & skf18("2","6","1","10","10","1","1") = "9"
    & skf18("2","6","1","10","10","2","1") = "9"
    & skf18("2","6","1","10","10","3","1") = "9"
    & skf18("2","6","1","10","10","4","1") = "9"
    & skf18("2","6","1","10","10","5","1") = "9"
    & skf18("2","6","1","10","10","6","1") = "9"
    & skf18("2","6","1","10","10","7","1") = "9"
    & skf18("2","6","1","10","10","8","1") = "9"
    & skf18("2","6","1","10","10","9","1") = "9"
    & skf18("2","6","1","10","10","10","1") = "9"
    & skf18("2","6","2","1","1","1","1") = "5"
    & skf18("2","6","2","1","1","2","1") = "5"
    & skf18("2","6","2","1","1","3","1") = "5"
    & skf18("2","6","2","1","1","4","1") = "5"
    & skf18("2","6","2","1","1","5","1") = "5"
    & skf18("2","6","2","1","1","6","1") = "5"
    & skf18("2","6","2","1","1","7","1") = "6"
    & skf18("2","6","2","1","1","8","1") = "7"
    & skf18("2","6","2","1","1","9","1") = "8"
    & skf18("2","6","2","1","1","10","1") = "9"
    & skf18("2","6","2","1","2","1","1") = "5"
    & skf18("2","6","2","1","2","2","1") = "5"
    & skf18("2","6","2","1","2","3","1") = "5"
    & skf18("2","6","2","1","2","4","1") = "5"
    & skf18("2","6","2","1","2","5","1") = "5"
    & skf18("2","6","2","1","2","6","1") = "5"
    & skf18("2","6","2","1","2","7","1") = "6"
    & skf18("2","6","2","1","2","8","1") = "7"
    & skf18("2","6","2","1","2","9","1") = "8"
    & skf18("2","6","2","1","2","10","1") = "9"
    & skf18("2","6","2","1","3","1","1") = "5"
    & skf18("2","6","2","1","3","2","1") = "5"
    & skf18("2","6","2","1","3","3","1") = "5"
    & skf18("2","6","2","1","3","4","1") = "5"
    & skf18("2","6","2","1","3","5","1") = "5"
    & skf18("2","6","2","1","3","6","1") = "5"
    & skf18("2","6","2","1","3","7","1") = "6"
    & skf18("2","6","2","1","3","8","1") = "7"
    & skf18("2","6","2","1","3","9","1") = "8"
    & skf18("2","6","2","1","3","10","1") = "9"
    & skf18("2","6","2","1","4","1","1") = "5"
    & skf18("2","6","2","1","4","2","1") = "5"
    & skf18("2","6","2","1","4","3","1") = "5"
    & skf18("2","6","2","1","4","4","1") = "5"
    & skf18("2","6","2","1","4","5","1") = "5"
    & skf18("2","6","2","1","4","6","1") = "5"
    & skf18("2","6","2","1","4","7","1") = "6"
    & skf18("2","6","2","1","4","8","1") = "7"
    & skf18("2","6","2","1","4","9","1") = "8"
    & skf18("2","6","2","1","4","10","1") = "9"
    & skf18("2","6","2","1","5","1","1") = "5"
    & skf18("2","6","2","1","5","2","1") = "5"
    & skf18("2","6","2","1","5","3","1") = "5"
    & skf18("2","6","2","1","5","4","1") = "5"
    & skf18("2","6","2","1","5","5","1") = "5"
    & skf18("2","6","2","1","5","6","1") = "5"
    & skf18("2","6","2","1","5","7","1") = "6"
    & skf18("2","6","2","1","5","8","1") = "7"
    & skf18("2","6","2","1","5","9","1") = "8"
    & skf18("2","6","2","1","5","10","1") = "9"
    & skf18("2","6","2","1","6","1","1") = "5"
    & skf18("2","6","2","1","6","2","1") = "5"
    & skf18("2","6","2","1","6","3","1") = "5"
    & skf18("2","6","2","1","6","4","1") = "5"
    & skf18("2","6","2","1","6","5","1") = "5"
    & skf18("2","6","2","1","6","6","1") = "5"
    & skf18("2","6","2","1","6","7","1") = "6"
    & skf18("2","6","2","1","6","8","1") = "7"
    & skf18("2","6","2","1","6","9","1") = "8"
    & skf18("2","6","2","1","6","10","1") = "9"
    & skf18("2","6","2","1","7","1","1") = "6"
    & skf18("2","6","2","1","7","2","1") = "6"
    & skf18("2","6","2","1","7","3","1") = "6"
    & skf18("2","6","2","1","7","4","1") = "6"
    & skf18("2","6","2","1","7","5","1") = "6"
    & skf18("2","6","2","1","7","6","1") = "6"
    & skf18("2","6","2","1","7","7","1") = "6"
    & skf18("2","6","2","1","7","8","1") = "7"
    & skf18("2","6","2","1","7","9","1") = "8"
    & skf18("2","6","2","1","7","10","1") = "9"
    & skf18("2","6","2","1","8","1","1") = "7"
    & skf18("2","6","2","1","8","2","1") = "7"
    & skf18("2","6","2","1","8","3","1") = "7"
    & skf18("2","6","2","1","8","4","1") = "7"
    & skf18("2","6","2","1","8","5","1") = "7"
    & skf18("2","6","2","1","8","6","1") = "7"
    & skf18("2","6","2","1","8","7","1") = "7"
    & skf18("2","6","2","1","8","8","1") = "7"
    & skf18("2","6","2","1","8","9","1") = "8"
    & skf18("2","6","2","1","8","10","1") = "9"
    & skf18("2","6","2","1","9","1","1") = "8"
    & skf18("2","6","2","1","9","2","1") = "8"
    & skf18("2","6","2","1","9","3","1") = "8"
    & skf18("2","6","2","1","9","4","1") = "8"
    & skf18("2","6","2","1","9","5","1") = "8"
    & skf18("2","6","2","1","9","6","1") = "8"
    & skf18("2","6","2","1","9","7","1") = "8"
    & skf18("2","6","2","1","9","8","1") = "8"
    & skf18("2","6","2","1","9","9","1") = "8"
    & skf18("2","6","2","1","9","10","1") = "9"
    & skf18("2","6","2","1","10","1","1") = "9"
    & skf18("2","6","2","1","10","2","1") = "9"
    & skf18("2","6","2","1","10","3","1") = "9"
    & skf18("2","6","2","1","10","4","1") = "9"
    & skf18("2","6","2","1","10","5","1") = "9"
    & skf18("2","6","2","1","10","6","1") = "9"
    & skf18("2","6","2","1","10","7","1") = "9"
    & skf18("2","6","2","1","10","8","1") = "9"
    & skf18("2","6","2","1","10","9","1") = "9"
    & skf18("2","6","2","1","10","10","1") = "9"
    & skf18("2","6","2","2","1","1","1") = "5"
    & skf18("2","6","2","2","1","2","1") = "5"
    & skf18("2","6","2","2","1","3","1") = "5"
    & skf18("2","6","2","2","1","4","1") = "5"
    & skf18("2","6","2","2","1","5","1") = "5"
    & skf18("2","6","2","2","1","6","1") = "5"
    & skf18("2","6","2","2","1","7","1") = "6"
    & skf18("2","6","2","2","1","8","1") = "7"
    & skf18("2","6","2","2","1","9","1") = "8"
    & skf18("2","6","2","2","1","10","1") = "9"
    & skf18("2","6","2","2","2","1","1") = "5"
    & skf18("2","6","2","2","2","2","1") = "5"
    & skf18("2","6","2","2","2","3","1") = "5"
    & skf18("2","6","2","2","2","4","1") = "5"
    & skf18("2","6","2","2","2","5","1") = "5"
    & skf18("2","6","2","2","2","6","1") = "5"
    & skf18("2","6","2","2","2","7","1") = "6"
    & skf18("2","6","2","2","2","8","1") = "7"
    & skf18("2","6","2","2","2","9","1") = "8"
    & skf18("2","6","2","2","2","10","1") = "9"
    & skf18("2","6","2","2","3","1","1") = "5"
    & skf18("2","6","2","2","3","2","1") = "5"
    & skf18("2","6","2","2","3","3","1") = "5"
    & skf18("2","6","2","2","3","4","1") = "5"
    & skf18("2","6","2","2","3","5","1") = "5"
    & skf18("2","6","2","2","3","6","1") = "5"
    & skf18("2","6","2","2","3","7","1") = "6"
    & skf18("2","6","2","2","3","8","1") = "7"
    & skf18("2","6","2","2","3","9","1") = "8"
    & skf18("2","6","2","2","3","10","1") = "9"
    & skf18("2","6","2","2","4","1","1") = "5"
    & skf18("2","6","2","2","4","2","1") = "5"
    & skf18("2","6","2","2","4","3","1") = "5"
    & skf18("2","6","2","2","4","4","1") = "5"
    & skf18("2","6","2","2","4","5","1") = "5"
    & skf18("2","6","2","2","4","6","1") = "5"
    & skf18("2","6","2","2","4","7","1") = "6"
    & skf18("2","6","2","2","4","8","1") = "7"
    & skf18("2","6","2","2","4","9","1") = "8"
    & skf18("2","6","2","2","4","10","1") = "9"
    & skf18("2","6","2","2","5","1","1") = "5"
    & skf18("2","6","2","2","5","2","1") = "5"
    & skf18("2","6","2","2","5","3","1") = "5"
    & skf18("2","6","2","2","5","4","1") = "5"
    & skf18("2","6","2","2","5","5","1") = "5"
    & skf18("2","6","2","2","5","6","1") = "5"
    & skf18("2","6","2","2","5","7","1") = "6"
    & skf18("2","6","2","2","5","8","1") = "7"
    & skf18("2","6","2","2","5","9","1") = "8"
    & skf18("2","6","2","2","5","10","1") = "9"
    & skf18("2","6","2","2","6","1","1") = "5"
    & skf18("2","6","2","2","6","2","1") = "5"
    & skf18("2","6","2","2","6","3","1") = "5"
    & skf18("2","6","2","2","6","4","1") = "5"
    & skf18("2","6","2","2","6","5","1") = "5"
    & skf18("2","6","2","2","6","6","1") = "5"
    & skf18("2","6","2","2","6","7","1") = "6"
    & skf18("2","6","2","2","6","8","1") = "7"
    & skf18("2","6","2","2","6","9","1") = "8"
    & skf18("2","6","2","2","6","10","1") = "9"
    & skf18("2","6","2","2","7","1","1") = "6"
    & skf18("2","6","2","2","7","2","1") = "6"
    & skf18("2","6","2","2","7","3","1") = "6"
    & skf18("2","6","2","2","7","4","1") = "6"
    & skf18("2","6","2","2","7","5","1") = "6"
    & skf18("2","6","2","2","7","6","1") = "6"
    & skf18("2","6","2","2","7","7","1") = "6"
    & skf18("2","6","2","2","7","8","1") = "7"
    & skf18("2","6","2","2","7","9","1") = "8"
    & skf18("2","6","2","2","7","10","1") = "9"
    & skf18("2","6","2","2","8","1","1") = "7"
    & skf18("2","6","2","2","8","2","1") = "7"
    & skf18("2","6","2","2","8","3","1") = "7"
    & skf18("2","6","2","2","8","4","1") = "7"
    & skf18("2","6","2","2","8","5","1") = "7"
    & skf18("2","6","2","2","8","6","1") = "7"
    & skf18("2","6","2","2","8","7","1") = "7"
    & skf18("2","6","2","2","8","8","1") = "7"
    & skf18("2","6","2","2","8","9","1") = "8"
    & skf18("2","6","2","2","8","10","1") = "9"
    & skf18("2","6","2","2","9","1","1") = "8"
    & skf18("2","6","2","2","9","2","1") = "8"
    & skf18("2","6","2","2","9","3","1") = "8"
    & skf18("2","6","2","2","9","4","1") = "8"
    & skf18("2","6","2","2","9","5","1") = "8"
    & skf18("2","6","2","2","9","6","1") = "8"
    & skf18("2","6","2","2","9","7","1") = "8"
    & skf18("2","6","2","2","9","8","1") = "8"
    & skf18("2","6","2","2","9","9","1") = "8"
    & skf18("2","6","2","2","9","10","1") = "9"
    & skf18("2","6","2","2","10","1","1") = "9"
    & skf18("2","6","2","2","10","2","1") = "9"
    & skf18("2","6","2","2","10","3","1") = "9"
    & skf18("2","6","2","2","10","4","1") = "9"
    & skf18("2","6","2","2","10","5","1") = "9"
    & skf18("2","6","2","2","10","6","1") = "9"
    & skf18("2","6","2","2","10","7","1") = "9"
    & skf18("2","6","2","2","10","8","1") = "9"
    & skf18("2","6","2","2","10","9","1") = "9"
    & skf18("2","6","2","2","10","10","1") = "9"
    & skf18("2","6","2","3","1","1","1") = "5"
    & skf18("2","6","2","3","1","2","1") = "5"
    & skf18("2","6","2","3","1","3","1") = "5"
    & skf18("2","6","2","3","1","4","1") = "5"
    & skf18("2","6","2","3","1","5","1") = "5"
    & skf18("2","6","2","3","1","6","1") = "5"
    & skf18("2","6","2","3","1","7","1") = "6"
    & skf18("2","6","2","3","1","8","1") = "7"
    & skf18("2","6","2","3","1","9","1") = "8"
    & skf18("2","6","2","3","1","10","1") = "9"
    & skf18("2","6","2","3","2","1","1") = "5"
    & skf18("2","6","2","3","2","2","1") = "5"
    & skf18("2","6","2","3","2","3","1") = "5"
    & skf18("2","6","2","3","2","4","1") = "5"
    & skf18("2","6","2","3","2","5","1") = "5"
    & skf18("2","6","2","3","2","6","1") = "5"
    & skf18("2","6","2","3","2","7","1") = "6"
    & skf18("2","6","2","3","2","8","1") = "7"
    & skf18("2","6","2","3","2","9","1") = "8"
    & skf18("2","6","2","3","2","10","1") = "9"
    & skf18("2","6","2","3","3","1","1") = "5"
    & skf18("2","6","2","3","3","2","1") = "5"
    & skf18("2","6","2","3","3","3","1") = "5"
    & skf18("2","6","2","3","3","4","1") = "5"
    & skf18("2","6","2","3","3","5","1") = "5"
    & skf18("2","6","2","3","3","6","1") = "5"
    & skf18("2","6","2","3","3","7","1") = "6"
    & skf18("2","6","2","3","3","8","1") = "7"
    & skf18("2","6","2","3","3","9","1") = "8"
    & skf18("2","6","2","3","3","10","1") = "9"
    & skf18("2","6","2","3","4","1","1") = "5"
    & skf18("2","6","2","3","4","2","1") = "5"
    & skf18("2","6","2","3","4","3","1") = "5"
    & skf18("2","6","2","3","4","4","1") = "5"
    & skf18("2","6","2","3","4","5","1") = "5"
    & skf18("2","6","2","3","4","6","1") = "5"
    & skf18("2","6","2","3","4","7","1") = "6"
    & skf18("2","6","2","3","4","8","1") = "7"
    & skf18("2","6","2","3","4","9","1") = "8"
    & skf18("2","6","2","3","4","10","1") = "9"
    & skf18("2","6","2","3","5","1","1") = "5"
    & skf18("2","6","2","3","5","2","1") = "5"
    & skf18("2","6","2","3","5","3","1") = "5"
    & skf18("2","6","2","3","5","4","1") = "5"
    & skf18("2","6","2","3","5","5","1") = "5"
    & skf18("2","6","2","3","5","6","1") = "5"
    & skf18("2","6","2","3","5","7","1") = "6"
    & skf18("2","6","2","3","5","8","1") = "7"
    & skf18("2","6","2","3","5","9","1") = "8"
    & skf18("2","6","2","3","5","10","1") = "9"
    & skf18("2","6","2","3","6","1","1") = "5"
    & skf18("2","6","2","3","6","2","1") = "5"
    & skf18("2","6","2","3","6","3","1") = "5"
    & skf18("2","6","2","3","6","4","1") = "5"
    & skf18("2","6","2","3","6","5","1") = "5"
    & skf18("2","6","2","3","6","6","1") = "5"
    & skf18("2","6","2","3","6","7","1") = "6"
    & skf18("2","6","2","3","6","8","1") = "7"
    & skf18("2","6","2","3","6","9","1") = "8"
    & skf18("2","6","2","3","6","10","1") = "9"
    & skf18("2","6","2","3","7","1","1") = "6"
    & skf18("2","6","2","3","7","2","1") = "6"
    & skf18("2","6","2","3","7","3","1") = "6"
    & skf18("2","6","2","3","7","4","1") = "6"
    & skf18("2","6","2","3","7","5","1") = "6"
    & skf18("2","6","2","3","7","6","1") = "6"
    & skf18("2","6","2","3","7","7","1") = "6"
    & skf18("2","6","2","3","7","8","1") = "7"
    & skf18("2","6","2","3","7","9","1") = "8"
    & skf18("2","6","2","3","7","10","1") = "9"
    & skf18("2","6","2","3","8","1","1") = "7"
    & skf18("2","6","2","3","8","2","1") = "7"
    & skf18("2","6","2","3","8","3","1") = "7"
    & skf18("2","6","2","3","8","4","1") = "7"
    & skf18("2","6","2","3","8","5","1") = "7"
    & skf18("2","6","2","3","8","6","1") = "7"
    & skf18("2","6","2","3","8","7","1") = "7"
    & skf18("2","6","2","3","8","8","1") = "7"
    & skf18("2","6","2","3","8","9","1") = "8"
    & skf18("2","6","2","3","8","10","1") = "9"
    & skf18("2","6","2","3","9","1","1") = "8"
    & skf18("2","6","2","3","9","2","1") = "8"
    & skf18("2","6","2","3","9","3","1") = "8"
    & skf18("2","6","2","3","9","4","1") = "8"
    & skf18("2","6","2","3","9","5","1") = "8"
    & skf18("2","6","2","3","9","6","1") = "8"
    & skf18("2","6","2","3","9","7","1") = "8"
    & skf18("2","6","2","3","9","8","1") = "8"
    & skf18("2","6","2","3","9","9","1") = "8"
    & skf18("2","6","2","3","9","10","1") = "9"
    & skf18("2","6","2","3","10","1","1") = "9"
    & skf18("2","6","2","3","10","2","1") = "9"
    & skf18("2","6","2","3","10","3","1") = "9"
    & skf18("2","6","2","3","10","4","1") = "9"
    & skf18("2","6","2","3","10","5","1") = "9"
    & skf18("2","6","2","3","10","6","1") = "9"
    & skf18("2","6","2","3","10","7","1") = "9"
    & skf18("2","6","2","3","10","8","1") = "9"
    & skf18("2","6","2","3","10","9","1") = "9"
    & skf18("2","6","2","3","10","10","1") = "9"
    & skf18("2","6","2","4","1","1","1") = "5"
    & skf18("2","6","2","4","1","2","1") = "5"
    & skf18("2","6","2","4","1","3","1") = "5"
    & skf18("2","6","2","4","1","4","1") = "5"
    & skf18("2","6","2","4","1","5","1") = "5"
    & skf18("2","6","2","4","1","6","1") = "5"
    & skf18("2","6","2","4","1","7","1") = "6"
    & skf18("2","6","2","4","1","8","1") = "7"
    & skf18("2","6","2","4","1","9","1") = "8"
    & skf18("2","6","2","4","1","10","1") = "9"
    & skf18("2","6","2","4","2","1","1") = "5"
    & skf18("2","6","2","4","2","2","1") = "5"
    & skf18("2","6","2","4","2","3","1") = "5"
    & skf18("2","6","2","4","2","4","1") = "5"
    & skf18("2","6","2","4","2","5","1") = "5"
    & skf18("2","6","2","4","2","6","1") = "5"
    & skf18("2","6","2","4","2","7","1") = "6"
    & skf18("2","6","2","4","2","8","1") = "7"
    & skf18("2","6","2","4","2","9","1") = "8"
    & skf18("2","6","2","4","2","10","1") = "9"
    & skf18("2","6","2","4","3","1","1") = "5"
    & skf18("2","6","2","4","3","2","1") = "5"
    & skf18("2","6","2","4","3","3","1") = "5"
    & skf18("2","6","2","4","3","4","1") = "5"
    & skf18("2","6","2","4","3","5","1") = "5"
    & skf18("2","6","2","4","3","6","1") = "5"
    & skf18("2","6","2","4","3","7","1") = "6"
    & skf18("2","6","2","4","3","8","1") = "7"
    & skf18("2","6","2","4","3","9","1") = "8"
    & skf18("2","6","2","4","3","10","1") = "9"
    & skf18("2","6","2","4","4","1","1") = "5"
    & skf18("2","6","2","4","4","2","1") = "5"
    & skf18("2","6","2","4","4","3","1") = "5"
    & skf18("2","6","2","4","4","4","1") = "5"
    & skf18("2","6","2","4","4","5","1") = "5"
    & skf18("2","6","2","4","4","6","1") = "5"
    & skf18("2","6","2","4","4","7","1") = "6"
    & skf18("2","6","2","4","4","8","1") = "7"
    & skf18("2","6","2","4","4","9","1") = "8"
    & skf18("2","6","2","4","4","10","1") = "9"
    & skf18("2","6","2","4","5","1","1") = "5"
    & skf18("2","6","2","4","5","2","1") = "5"
    & skf18("2","6","2","4","5","3","1") = "5"
    & skf18("2","6","2","4","5","4","1") = "5"
    & skf18("2","6","2","4","5","5","1") = "5"
    & skf18("2","6","2","4","5","6","1") = "5"
    & skf18("2","6","2","4","5","7","1") = "6"
    & skf18("2","6","2","4","5","8","1") = "7"
    & skf18("2","6","2","4","5","9","1") = "8"
    & skf18("2","6","2","4","5","10","1") = "9"
    & skf18("2","6","2","4","6","1","1") = "5"
    & skf18("2","6","2","4","6","2","1") = "5"
    & skf18("2","6","2","4","6","3","1") = "5"
    & skf18("2","6","2","4","6","4","1") = "5"
    & skf18("2","6","2","4","6","5","1") = "5"
    & skf18("2","6","2","4","6","6","1") = "5"
    & skf18("2","6","2","4","6","7","1") = "6"
    & skf18("2","6","2","4","6","8","1") = "7"
    & skf18("2","6","2","4","6","9","1") = "8"
    & skf18("2","6","2","4","6","10","1") = "9"
    & skf18("2","6","2","4","7","1","1") = "6"
    & skf18("2","6","2","4","7","2","1") = "6"
    & skf18("2","6","2","4","7","3","1") = "6"
    & skf18("2","6","2","4","7","4","1") = "6"
    & skf18("2","6","2","4","7","5","1") = "6"
    & skf18("2","6","2","4","7","6","1") = "6"
    & skf18("2","6","2","4","7","7","1") = "6"
    & skf18("2","6","2","4","7","8","1") = "7"
    & skf18("2","6","2","4","7","9","1") = "8"
    & skf18("2","6","2","4","7","10","1") = "9"
    & skf18("2","6","2","4","8","1","1") = "7"
    & skf18("2","6","2","4","8","2","1") = "7"
    & skf18("2","6","2","4","8","3","1") = "7"
    & skf18("2","6","2","4","8","4","1") = "7"
    & skf18("2","6","2","4","8","5","1") = "7"
    & skf18("2","6","2","4","8","6","1") = "7"
    & skf18("2","6","2","4","8","7","1") = "7"
    & skf18("2","6","2","4","8","8","1") = "7"
    & skf18("2","6","2","4","8","9","1") = "8"
    & skf18("2","6","2","4","8","10","1") = "9"
    & skf18("2","6","2","4","9","1","1") = "8"
    & skf18("2","6","2","4","9","2","1") = "8"
    & skf18("2","6","2","4","9","3","1") = "8"
    & skf18("2","6","2","4","9","4","1") = "8"
    & skf18("2","6","2","4","9","5","1") = "8"
    & skf18("2","6","2","4","9","6","1") = "8"
    & skf18("2","6","2","4","9","7","1") = "8"
    & skf18("2","6","2","4","9","8","1") = "8"
    & skf18("2","6","2","4","9","9","1") = "8"
    & skf18("2","6","2","4","9","10","1") = "9"
    & skf18("2","6","2","4","10","1","1") = "9"
    & skf18("2","6","2","4","10","2","1") = "9"
    & skf18("2","6","2","4","10","3","1") = "9"
    & skf18("2","6","2","4","10","4","1") = "9"
    & skf18("2","6","2","4","10","5","1") = "9"
    & skf18("2","6","2","4","10","6","1") = "9"
    & skf18("2","6","2","4","10","7","1") = "9"
    & skf18("2","6","2","4","10","8","1") = "9"
    & skf18("2","6","2","4","10","9","1") = "9"
    & skf18("2","6","2","4","10","10","1") = "9"
    & skf18("2","6","2","5","1","1","1") = "5"
    & skf18("2","6","2","5","1","2","1") = "5"
    & skf18("2","6","2","5","1","3","1") = "5"
    & skf18("2","6","2","5","1","4","1") = "5"
    & skf18("2","6","2","5","1","5","1") = "5"
    & skf18("2","6","2","5","1","6","1") = "5"
    & skf18("2","6","2","5","1","7","1") = "6"
    & skf18("2","6","2","5","1","8","1") = "7"
    & skf18("2","6","2","5","1","9","1") = "8"
    & skf18("2","6","2","5","1","10","1") = "9"
    & skf18("2","6","2","5","2","1","1") = "5"
    & skf18("2","6","2","5","2","2","1") = "5"
    & skf18("2","6","2","5","2","3","1") = "5"
    & skf18("2","6","2","5","2","4","1") = "5"
    & skf18("2","6","2","5","2","5","1") = "5"
    & skf18("2","6","2","5","2","6","1") = "5"
    & skf18("2","6","2","5","2","7","1") = "6"
    & skf18("2","6","2","5","2","8","1") = "7"
    & skf18("2","6","2","5","2","9","1") = "8"
    & skf18("2","6","2","5","2","10","1") = "9"
    & skf18("2","6","2","5","3","1","1") = "5"
    & skf18("2","6","2","5","3","2","1") = "5"
    & skf18("2","6","2","5","3","3","1") = "5"
    & skf18("2","6","2","5","3","4","1") = "5"
    & skf18("2","6","2","5","3","5","1") = "5"
    & skf18("2","6","2","5","3","6","1") = "5"
    & skf18("2","6","2","5","3","7","1") = "6"
    & skf18("2","6","2","5","3","8","1") = "7"
    & skf18("2","6","2","5","3","9","1") = "8"
    & skf18("2","6","2","5","3","10","1") = "9"
    & skf18("2","6","2","5","4","1","1") = "5"
    & skf18("2","6","2","5","4","2","1") = "5"
    & skf18("2","6","2","5","4","3","1") = "5"
    & skf18("2","6","2","5","4","4","1") = "5"
    & skf18("2","6","2","5","4","5","1") = "5"
    & skf18("2","6","2","5","4","6","1") = "5"
    & skf18("2","6","2","5","4","7","1") = "6"
    & skf18("2","6","2","5","4","8","1") = "7"
    & skf18("2","6","2","5","4","9","1") = "8"
    & skf18("2","6","2","5","4","10","1") = "9"
    & skf18("2","6","2","5","5","1","1") = "5"
    & skf18("2","6","2","5","5","2","1") = "5"
    & skf18("2","6","2","5","5","3","1") = "5"
    & skf18("2","6","2","5","5","4","1") = "5"
    & skf18("2","6","2","5","5","5","1") = "5"
    & skf18("2","6","2","5","5","6","1") = "5"
    & skf18("2","6","2","5","5","7","1") = "6"
    & skf18("2","6","2","5","5","8","1") = "7"
    & skf18("2","6","2","5","5","9","1") = "8"
    & skf18("2","6","2","5","5","10","1") = "9"
    & skf18("2","6","2","5","6","1","1") = "5"
    & skf18("2","6","2","5","6","2","1") = "5"
    & skf18("2","6","2","5","6","3","1") = "5"
    & skf18("2","6","2","5","6","4","1") = "5"
    & skf18("2","6","2","5","6","5","1") = "5"
    & skf18("2","6","2","5","6","6","1") = "5"
    & skf18("2","6","2","5","6","7","1") = "6"
    & skf18("2","6","2","5","6","8","1") = "7"
    & skf18("2","6","2","5","6","9","1") = "8"
    & skf18("2","6","2","5","6","10","1") = "9"
    & skf18("2","6","2","5","7","1","1") = "6"
    & skf18("2","6","2","5","7","2","1") = "6"
    & skf18("2","6","2","5","7","3","1") = "6"
    & skf18("2","6","2","5","7","4","1") = "6"
    & skf18("2","6","2","5","7","5","1") = "6"
    & skf18("2","6","2","5","7","6","1") = "6"
    & skf18("2","6","2","5","7","7","1") = "6"
    & skf18("2","6","2","5","7","8","1") = "7"
    & skf18("2","6","2","5","7","9","1") = "8"
    & skf18("2","6","2","5","7","10","1") = "9"
    & skf18("2","6","2","5","8","1","1") = "7"
    & skf18("2","6","2","5","8","2","1") = "7"
    & skf18("2","6","2","5","8","3","1") = "7"
    & skf18("2","6","2","5","8","4","1") = "7"
    & skf18("2","6","2","5","8","5","1") = "7"
    & skf18("2","6","2","5","8","6","1") = "7"
    & skf18("2","6","2","5","8","7","1") = "7"
    & skf18("2","6","2","5","8","8","1") = "7"
    & skf18("2","6","2","5","8","9","1") = "8"
    & skf18("2","6","2","5","8","10","1") = "9"
    & skf18("2","6","2","5","9","1","1") = "8"
    & skf18("2","6","2","5","9","2","1") = "8"
    & skf18("2","6","2","5","9","3","1") = "8"
    & skf18("2","6","2","5","9","4","1") = "8"
    & skf18("2","6","2","5","9","5","1") = "8"
    & skf18("2","6","2","5","9","6","1") = "8"
    & skf18("2","6","2","5","9","7","1") = "8"
    & skf18("2","6","2","5","9","8","1") = "8"
    & skf18("2","6","2","5","9","9","1") = "8"
    & skf18("2","6","2","5","9","10","1") = "9"
    & skf18("2","6","2","5","10","1","1") = "9"
    & skf18("2","6","2","5","10","2","1") = "9"
    & skf18("2","6","2","5","10","3","1") = "9"
    & skf18("2","6","2","5","10","4","1") = "9"
    & skf18("2","6","2","5","10","5","1") = "9"
    & skf18("2","6","2","5","10","6","1") = "9"
    & skf18("2","6","2","5","10","7","1") = "9"
    & skf18("2","6","2","5","10","8","1") = "9"
    & skf18("2","6","2","5","10","9","1") = "9"
    & skf18("2","6","2","5","10","10","1") = "9"
    & skf18("2","6","2","6","1","1","1") = "5"
    & skf18("2","6","2","6","1","2","1") = "5"
    & skf18("2","6","2","6","1","3","1") = "5"
    & skf18("2","6","2","6","1","4","1") = "5"
    & skf18("2","6","2","6","1","5","1") = "5"
    & skf18("2","6","2","6","1","6","1") = "5"
    & skf18("2","6","2","6","1","7","1") = "6"
    & skf18("2","6","2","6","1","8","1") = "7"
    & skf18("2","6","2","6","1","9","1") = "8"
    & skf18("2","6","2","6","1","10","1") = "9"
    & skf18("2","6","2","6","2","1","1") = "5"
    & skf18("2","6","2","6","2","2","1") = "5"
    & skf18("2","6","2","6","2","3","1") = "5"
    & skf18("2","6","2","6","2","4","1") = "5"
    & skf18("2","6","2","6","2","5","1") = "5"
    & skf18("2","6","2","6","2","6","1") = "5"
    & skf18("2","6","2","6","2","7","1") = "6"
    & skf18("2","6","2","6","2","8","1") = "7"
    & skf18("2","6","2","6","2","9","1") = "8"
    & skf18("2","6","2","6","2","10","1") = "9"
    & skf18("2","6","2","6","3","1","1") = "5"
    & skf18("2","6","2","6","3","2","1") = "5"
    & skf18("2","6","2","6","3","3","1") = "5"
    & skf18("2","6","2","6","3","4","1") = "5"
    & skf18("2","6","2","6","3","5","1") = "5"
    & skf18("2","6","2","6","3","6","1") = "5"
    & skf18("2","6","2","6","3","7","1") = "6"
    & skf18("2","6","2","6","3","8","1") = "7"
    & skf18("2","6","2","6","3","9","1") = "8"
    & skf18("2","6","2","6","3","10","1") = "9"
    & skf18("2","6","2","6","4","1","1") = "5"
    & skf18("2","6","2","6","4","2","1") = "5"
    & skf18("2","6","2","6","4","3","1") = "5"
    & skf18("2","6","2","6","4","4","1") = "5"
    & skf18("2","6","2","6","4","5","1") = "5"
    & skf18("2","6","2","6","4","6","1") = "5"
    & skf18("2","6","2","6","4","7","1") = "6"
    & skf18("2","6","2","6","4","8","1") = "7"
    & skf18("2","6","2","6","4","9","1") = "8"
    & skf18("2","6","2","6","4","10","1") = "9"
    & skf18("2","6","2","6","5","1","1") = "5"
    & skf18("2","6","2","6","5","2","1") = "5"
    & skf18("2","6","2","6","5","3","1") = "5"
    & skf18("2","6","2","6","5","4","1") = "5"
    & skf18("2","6","2","6","5","5","1") = "5"
    & skf18("2","6","2","6","5","6","1") = "5"
    & skf18("2","6","2","6","5","7","1") = "6"
    & skf18("2","6","2","6","5","8","1") = "7"
    & skf18("2","6","2","6","5","9","1") = "8"
    & skf18("2","6","2","6","5","10","1") = "9"
    & skf18("2","6","2","6","6","1","1") = "5"
    & skf18("2","6","2","6","6","2","1") = "5"
    & skf18("2","6","2","6","6","3","1") = "5"
    & skf18("2","6","2","6","6","4","1") = "5"
    & skf18("2","6","2","6","6","5","1") = "5"
    & skf18("2","6","2","6","6","6","1") = "5"
    & skf18("2","6","2","6","6","7","1") = "6"
    & skf18("2","6","2","6","6","8","1") = "7"
    & skf18("2","6","2","6","6","9","1") = "8"
    & skf18("2","6","2","6","6","10","1") = "9"
    & skf18("2","6","2","6","7","1","1") = "6"
    & skf18("2","6","2","6","7","2","1") = "6"
    & skf18("2","6","2","6","7","3","1") = "6"
    & skf18("2","6","2","6","7","4","1") = "6"
    & skf18("2","6","2","6","7","5","1") = "6"
    & skf18("2","6","2","6","7","6","1") = "6"
    & skf18("2","6","2","6","7","7","1") = "6"
    & skf18("2","6","2","6","7","8","1") = "7"
    & skf18("2","6","2","6","7","9","1") = "8"
    & skf18("2","6","2","6","7","10","1") = "9"
    & skf18("2","6","2","6","8","1","1") = "7"
    & skf18("2","6","2","6","8","2","1") = "7"
    & skf18("2","6","2","6","8","3","1") = "7"
    & skf18("2","6","2","6","8","4","1") = "7"
    & skf18("2","6","2","6","8","5","1") = "7"
    & skf18("2","6","2","6","8","6","1") = "7"
    & skf18("2","6","2","6","8","7","1") = "7"
    & skf18("2","6","2","6","8","8","1") = "7"
    & skf18("2","6","2","6","8","9","1") = "8"
    & skf18("2","6","2","6","8","10","1") = "9"
    & skf18("2","6","2","6","9","1","1") = "8"
    & skf18("2","6","2","6","9","2","1") = "8"
    & skf18("2","6","2","6","9","3","1") = "8"
    & skf18("2","6","2","6","9","4","1") = "8"
    & skf18("2","6","2","6","9","5","1") = "8"
    & skf18("2","6","2","6","9","6","1") = "8"
    & skf18("2","6","2","6","9","7","1") = "8"
    & skf18("2","6","2","6","9","8","1") = "8"
    & skf18("2","6","2","6","9","9","1") = "8"
    & skf18("2","6","2","6","9","10","1") = "9"
    & skf18("2","6","2","6","10","1","1") = "9"
    & skf18("2","6","2","6","10","2","1") = "9"
    & skf18("2","6","2","6","10","3","1") = "9"
    & skf18("2","6","2","6","10","4","1") = "9"
    & skf18("2","6","2","6","10","5","1") = "9"
    & skf18("2","6","2","6","10","6","1") = "9"
    & skf18("2","6","2","6","10","7","1") = "9"
    & skf18("2","6","2","6","10","8","1") = "9"
    & skf18("2","6","2","6","10","9","1") = "9"
    & skf18("2","6","2","6","10","10","1") = "9"
    & skf18("2","6","2","7","1","1","1") = "6"
    & skf18("2","6","2","7","1","2","1") = "6"
    & skf18("2","6","2","7","1","3","1") = "6"
    & skf18("2","6","2","7","1","4","1") = "6"
    & skf18("2","6","2","7","1","5","1") = "6"
    & skf18("2","6","2","7","1","6","1") = "6"
    & skf18("2","6","2","7","1","7","1") = "6"
    & skf18("2","6","2","7","1","8","1") = "7"
    & skf18("2","6","2","7","1","9","1") = "8"
    & skf18("2","6","2","7","1","10","1") = "9"
    & skf18("2","6","2","7","2","1","1") = "6"
    & skf18("2","6","2","7","2","2","1") = "6"
    & skf18("2","6","2","7","2","3","1") = "6"
    & skf18("2","6","2","7","2","4","1") = "6"
    & skf18("2","6","2","7","2","5","1") = "6"
    & skf18("2","6","2","7","2","6","1") = "6"
    & skf18("2","6","2","7","2","7","1") = "6"
    & skf18("2","6","2","7","2","8","1") = "7"
    & skf18("2","6","2","7","2","9","1") = "8"
    & skf18("2","6","2","7","2","10","1") = "9"
    & skf18("2","6","2","7","3","1","1") = "6"
    & skf18("2","6","2","7","3","2","1") = "6"
    & skf18("2","6","2","7","3","3","1") = "6"
    & skf18("2","6","2","7","3","4","1") = "6"
    & skf18("2","6","2","7","3","5","1") = "6"
    & skf18("2","6","2","7","3","6","1") = "6"
    & skf18("2","6","2","7","3","7","1") = "6"
    & skf18("2","6","2","7","3","8","1") = "7"
    & skf18("2","6","2","7","3","9","1") = "8"
    & skf18("2","6","2","7","3","10","1") = "9"
    & skf18("2","6","2","7","4","1","1") = "6"
    & skf18("2","6","2","7","4","2","1") = "6"
    & skf18("2","6","2","7","4","3","1") = "6"
    & skf18("2","6","2","7","4","4","1") = "6"
    & skf18("2","6","2","7","4","5","1") = "6"
    & skf18("2","6","2","7","4","6","1") = "6"
    & skf18("2","6","2","7","4","7","1") = "6"
    & skf18("2","6","2","7","4","8","1") = "7"
    & skf18("2","6","2","7","4","9","1") = "8"
    & skf18("2","6","2","7","4","10","1") = "9"
    & skf18("2","6","2","7","5","1","1") = "6"
    & skf18("2","6","2","7","5","2","1") = "6"
    & skf18("2","6","2","7","5","3","1") = "6"
    & skf18("2","6","2","7","5","4","1") = "6"
    & skf18("2","6","2","7","5","5","1") = "6"
    & skf18("2","6","2","7","5","6","1") = "6"
    & skf18("2","6","2","7","5","7","1") = "6"
    & skf18("2","6","2","7","5","8","1") = "7"
    & skf18("2","6","2","7","5","9","1") = "8"
    & skf18("2","6","2","7","5","10","1") = "9"
    & skf18("2","6","2","7","6","1","1") = "6"
    & skf18("2","6","2","7","6","2","1") = "6"
    & skf18("2","6","2","7","6","3","1") = "6"
    & skf18("2","6","2","7","6","4","1") = "6"
    & skf18("2","6","2","7","6","5","1") = "6"
    & skf18("2","6","2","7","6","6","1") = "6"
    & skf18("2","6","2","7","6","7","1") = "6"
    & skf18("2","6","2","7","6","8","1") = "7"
    & skf18("2","6","2","7","6","9","1") = "8"
    & skf18("2","6","2","7","6","10","1") = "9"
    & skf18("2","6","2","7","7","1","1") = "6"
    & skf18("2","6","2","7","7","2","1") = "6"
    & skf18("2","6","2","7","7","3","1") = "6"
    & skf18("2","6","2","7","7","4","1") = "6"
    & skf18("2","6","2","7","7","5","1") = "6"
    & skf18("2","6","2","7","7","6","1") = "6"
    & skf18("2","6","2","7","7","7","1") = "6"
    & skf18("2","6","2","7","7","8","1") = "7"
    & skf18("2","6","2","7","7","9","1") = "8"
    & skf18("2","6","2","7","7","10","1") = "9"
    & skf18("2","6","2","7","8","1","1") = "7"
    & skf18("2","6","2","7","8","2","1") = "7"
    & skf18("2","6","2","7","8","3","1") = "7"
    & skf18("2","6","2","7","8","4","1") = "7"
    & skf18("2","6","2","7","8","5","1") = "7"
    & skf18("2","6","2","7","8","6","1") = "7"
    & skf18("2","6","2","7","8","7","1") = "7"
    & skf18("2","6","2","7","8","8","1") = "7"
    & skf18("2","6","2","7","8","9","1") = "8"
    & skf18("2","6","2","7","8","10","1") = "9"
    & skf18("2","6","2","7","9","1","1") = "8"
    & skf18("2","6","2","7","9","2","1") = "8"
    & skf18("2","6","2","7","9","3","1") = "8"
    & skf18("2","6","2","7","9","4","1") = "8"
    & skf18("2","6","2","7","9","5","1") = "8"
    & skf18("2","6","2","7","9","6","1") = "8"
    & skf18("2","6","2","7","9","7","1") = "8"
    & skf18("2","6","2","7","9","8","1") = "8"
    & skf18("2","6","2","7","9","9","1") = "8"
    & skf18("2","6","2","7","9","10","1") = "9"
    & skf18("2","6","2","7","10","1","1") = "9"
    & skf18("2","6","2","7","10","2","1") = "9"
    & skf18("2","6","2","7","10","3","1") = "9"
    & skf18("2","6","2","7","10","4","1") = "9"
    & skf18("2","6","2","7","10","5","1") = "9"
    & skf18("2","6","2","7","10","6","1") = "9"
    & skf18("2","6","2","7","10","7","1") = "9"
    & skf18("2","6","2","7","10","8","1") = "9"
    & skf18("2","6","2","7","10","9","1") = "9"
    & skf18("2","6","2","7","10","10","1") = "9"
    & skf18("2","6","2","8","1","1","1") = "7"
    & skf18("2","6","2","8","1","2","1") = "7"
    & skf18("2","6","2","8","1","3","1") = "7"
    & skf18("2","6","2","8","1","4","1") = "7"
    & skf18("2","6","2","8","1","5","1") = "7"
    & skf18("2","6","2","8","1","6","1") = "7"
    & skf18("2","6","2","8","1","7","1") = "7"
    & skf18("2","6","2","8","1","8","1") = "7"
    & skf18("2","6","2","8","1","9","1") = "8"
    & skf18("2","6","2","8","1","10","1") = "9"
    & skf18("2","6","2","8","2","1","1") = "7"
    & skf18("2","6","2","8","2","2","1") = "7"
    & skf18("2","6","2","8","2","3","1") = "7"
    & skf18("2","6","2","8","2","4","1") = "7"
    & skf18("2","6","2","8","2","5","1") = "7"
    & skf18("2","6","2","8","2","6","1") = "7"
    & skf18("2","6","2","8","2","7","1") = "7"
    & skf18("2","6","2","8","2","8","1") = "7"
    & skf18("2","6","2","8","2","9","1") = "8"
    & skf18("2","6","2","8","2","10","1") = "9"
    & skf18("2","6","2","8","3","1","1") = "7"
    & skf18("2","6","2","8","3","2","1") = "7"
    & skf18("2","6","2","8","3","3","1") = "7"
    & skf18("2","6","2","8","3","4","1") = "7"
    & skf18("2","6","2","8","3","5","1") = "7"
    & skf18("2","6","2","8","3","6","1") = "7"
    & skf18("2","6","2","8","3","7","1") = "7"
    & skf18("2","6","2","8","3","8","1") = "7"
    & skf18("2","6","2","8","3","9","1") = "8"
    & skf18("2","6","2","8","3","10","1") = "9"
    & skf18("2","6","2","8","4","1","1") = "7"
    & skf18("2","6","2","8","4","2","1") = "7"
    & skf18("2","6","2","8","4","3","1") = "7"
    & skf18("2","6","2","8","4","4","1") = "7"
    & skf18("2","6","2","8","4","5","1") = "7"
    & skf18("2","6","2","8","4","6","1") = "7"
    & skf18("2","6","2","8","4","7","1") = "7"
    & skf18("2","6","2","8","4","8","1") = "7"
    & skf18("2","6","2","8","4","9","1") = "8"
    & skf18("2","6","2","8","4","10","1") = "9"
    & skf18("2","6","2","8","5","1","1") = "7"
    & skf18("2","6","2","8","5","2","1") = "7"
    & skf18("2","6","2","8","5","3","1") = "7"
    & skf18("2","6","2","8","5","4","1") = "7"
    & skf18("2","6","2","8","5","5","1") = "7"
    & skf18("2","6","2","8","5","6","1") = "7"
    & skf18("2","6","2","8","5","7","1") = "7"
    & skf18("2","6","2","8","5","8","1") = "7"
    & skf18("2","6","2","8","5","9","1") = "8"
    & skf18("2","6","2","8","5","10","1") = "9"
    & skf18("2","6","2","8","6","1","1") = "7"
    & skf18("2","6","2","8","6","2","1") = "7"
    & skf18("2","6","2","8","6","3","1") = "7"
    & skf18("2","6","2","8","6","4","1") = "7"
    & skf18("2","6","2","8","6","5","1") = "7"
    & skf18("2","6","2","8","6","6","1") = "7"
    & skf18("2","6","2","8","6","7","1") = "7"
    & skf18("2","6","2","8","6","8","1") = "7"
    & skf18("2","6","2","8","6","9","1") = "8"
    & skf18("2","6","2","8","6","10","1") = "9"
    & skf18("2","6","2","8","7","1","1") = "7"
    & skf18("2","6","2","8","7","2","1") = "7"
    & skf18("2","6","2","8","7","3","1") = "7"
    & skf18("2","6","2","8","7","4","1") = "7"
    & skf18("2","6","2","8","7","5","1") = "7"
    & skf18("2","6","2","8","7","6","1") = "7"
    & skf18("2","6","2","8","7","7","1") = "7"
    & skf18("2","6","2","8","7","8","1") = "7"
    & skf18("2","6","2","8","7","9","1") = "8"
    & skf18("2","6","2","8","7","10","1") = "9"
    & skf18("2","6","2","8","8","1","1") = "7"
    & skf18("2","6","2","8","8","2","1") = "7"
    & skf18("2","6","2","8","8","3","1") = "7"
    & skf18("2","6","2","8","8","4","1") = "7"
    & skf18("2","6","2","8","8","5","1") = "7"
    & skf18("2","6","2","8","8","6","1") = "7"
    & skf18("2","6","2","8","8","7","1") = "7"
    & skf18("2","6","2","8","8","8","1") = "7"
    & skf18("2","6","2","8","8","9","1") = "8"
    & skf18("2","6","2","8","8","10","1") = "9"
    & skf18("2","6","2","8","9","1","1") = "8"
    & skf18("2","6","2","8","9","2","1") = "8"
    & skf18("2","6","2","8","9","3","1") = "8"
    & skf18("2","6","2","8","9","4","1") = "8"
    & skf18("2","6","2","8","9","5","1") = "8"
    & skf18("2","6","2","8","9","6","1") = "8"
    & skf18("2","6","2","8","9","7","1") = "8"
    & skf18("2","6","2","8","9","8","1") = "8"
    & skf18("2","6","2","8","9","9","1") = "8"
    & skf18("2","6","2","8","9","10","1") = "9"
    & skf18("2","6","2","8","10","1","1") = "9"
    & skf18("2","6","2","8","10","2","1") = "9"
    & skf18("2","6","2","8","10","3","1") = "9"
    & skf18("2","6","2","8","10","4","1") = "9"
    & skf18("2","6","2","8","10","5","1") = "9"
    & skf18("2","6","2","8","10","6","1") = "9"
    & skf18("2","6","2","8","10","7","1") = "9"
    & skf18("2","6","2","8","10","8","1") = "9"
    & skf18("2","6","2","8","10","9","1") = "9"
    & skf18("2","6","2","8","10","10","1") = "9"
    & skf18("2","6","2","9","1","1","1") = "8"
    & skf18("2","6","2","9","1","2","1") = "8"
    & skf18("2","6","2","9","1","3","1") = "8"
    & skf18("2","6","2","9","1","4","1") = "8"
    & skf18("2","6","2","9","1","5","1") = "8"
    & skf18("2","6","2","9","1","6","1") = "8"
    & skf18("2","6","2","9","1","7","1") = "8"
    & skf18("2","6","2","9","1","8","1") = "8"
    & skf18("2","6","2","9","1","9","1") = "8"
    & skf18("2","6","2","9","1","10","1") = "9"
    & skf18("2","6","2","9","2","1","1") = "8"
    & skf18("2","6","2","9","2","2","1") = "8"
    & skf18("2","6","2","9","2","3","1") = "8"
    & skf18("2","6","2","9","2","4","1") = "8"
    & skf18("2","6","2","9","2","5","1") = "8"
    & skf18("2","6","2","9","2","6","1") = "8"
    & skf18("2","6","2","9","2","7","1") = "8"
    & skf18("2","6","2","9","2","8","1") = "8"
    & skf18("2","6","2","9","2","9","1") = "8"
    & skf18("2","6","2","9","2","10","1") = "9"
    & skf18("2","6","2","9","3","1","1") = "8"
    & skf18("2","6","2","9","3","2","1") = "8"
    & skf18("2","6","2","9","3","3","1") = "8"
    & skf18("2","6","2","9","3","4","1") = "8"
    & skf18("2","6","2","9","3","5","1") = "8"
    & skf18("2","6","2","9","3","6","1") = "8"
    & skf18("2","6","2","9","3","7","1") = "8"
    & skf18("2","6","2","9","3","8","1") = "8"
    & skf18("2","6","2","9","3","9","1") = "8"
    & skf18("2","6","2","9","3","10","1") = "9"
    & skf18("2","6","2","9","4","1","1") = "8"
    & skf18("2","6","2","9","4","2","1") = "8"
    & skf18("2","6","2","9","4","3","1") = "8"
    & skf18("2","6","2","9","4","4","1") = "8"
    & skf18("2","6","2","9","4","5","1") = "8"
    & skf18("2","6","2","9","4","6","1") = "8"
    & skf18("2","6","2","9","4","7","1") = "8"
    & skf18("2","6","2","9","4","8","1") = "8"
    & skf18("2","6","2","9","4","9","1") = "8"
    & skf18("2","6","2","9","4","10","1") = "9"
    & skf18("2","6","2","9","5","1","1") = "8"
    & skf18("2","6","2","9","5","2","1") = "8"
    & skf18("2","6","2","9","5","3","1") = "8"
    & skf18("2","6","2","9","5","4","1") = "8"
    & skf18("2","6","2","9","5","5","1") = "8"
    & skf18("2","6","2","9","5","6","1") = "8"
    & skf18("2","6","2","9","5","7","1") = "8"
    & skf18("2","6","2","9","5","8","1") = "8"
    & skf18("2","6","2","9","5","9","1") = "8"
    & skf18("2","6","2","9","5","10","1") = "9"
    & skf18("2","6","2","9","6","1","1") = "8"
    & skf18("2","6","2","9","6","2","1") = "8"
    & skf18("2","6","2","9","6","3","1") = "8"
    & skf18("2","6","2","9","6","4","1") = "8"
    & skf18("2","6","2","9","6","5","1") = "8"
    & skf18("2","6","2","9","6","6","1") = "8"
    & skf18("2","6","2","9","6","7","1") = "8"
    & skf18("2","6","2","9","6","8","1") = "8"
    & skf18("2","6","2","9","6","9","1") = "8"
    & skf18("2","6","2","9","6","10","1") = "9"
    & skf18("2","6","2","9","7","1","1") = "8"
    & skf18("2","6","2","9","7","2","1") = "8"
    & skf18("2","6","2","9","7","3","1") = "8"
    & skf18("2","6","2","9","7","4","1") = "8"
    & skf18("2","6","2","9","7","5","1") = "8"
    & skf18("2","6","2","9","7","6","1") = "8"
    & skf18("2","6","2","9","7","7","1") = "8"
    & skf18("2","6","2","9","7","8","1") = "8"
    & skf18("2","6","2","9","7","9","1") = "8"
    & skf18("2","6","2","9","7","10","1") = "9"
    & skf18("2","6","2","9","8","1","1") = "8"
    & skf18("2","6","2","9","8","2","1") = "8"
    & skf18("2","6","2","9","8","3","1") = "8"
    & skf18("2","6","2","9","8","4","1") = "8"
    & skf18("2","6","2","9","8","5","1") = "8"
    & skf18("2","6","2","9","8","6","1") = "8"
    & skf18("2","6","2","9","8","7","1") = "8"
    & skf18("2","6","2","9","8","8","1") = "8"
    & skf18("2","6","2","9","8","9","1") = "8"
    & skf18("2","6","2","9","8","10","1") = "9"
    & skf18("2","6","2","9","9","1","1") = "8"
    & skf18("2","6","2","9","9","2","1") = "8"
    & skf18("2","6","2","9","9","3","1") = "8"
    & skf18("2","6","2","9","9","4","1") = "8"
    & skf18("2","6","2","9","9","5","1") = "8"
    & skf18("2","6","2","9","9","6","1") = "8"
    & skf18("2","6","2","9","9","7","1") = "8"
    & skf18("2","6","2","9","9","8","1") = "8"
    & skf18("2","6","2","9","9","9","1") = "8"
    & skf18("2","6","2","9","9","10","1") = "9"
    & skf18("2","6","2","9","10","1","1") = "9"
    & skf18("2","6","2","9","10","2","1") = "9"
    & skf18("2","6","2","9","10","3","1") = "9"
    & skf18("2","6","2","9","10","4","1") = "9"
    & skf18("2","6","2","9","10","5","1") = "9"
    & skf18("2","6","2","9","10","6","1") = "9"
    & skf18("2","6","2","9","10","7","1") = "9"
    & skf18("2","6","2","9","10","8","1") = "9"
    & skf18("2","6","2","9","10","9","1") = "9"
    & skf18("2","6","2","9","10","10","1") = "9"
    & skf18("2","6","2","10","1","1","1") = "9"
    & skf18("2","6","2","10","1","2","1") = "9"
    & skf18("2","6","2","10","1","3","1") = "9"
    & skf18("2","6","2","10","1","4","1") = "9"
    & skf18("2","6","2","10","1","5","1") = "9"
    & skf18("2","6","2","10","1","6","1") = "9"
    & skf18("2","6","2","10","1","7","1") = "9"
    & skf18("2","6","2","10","1","8","1") = "9"
    & skf18("2","6","2","10","1","9","1") = "9"
    & skf18("2","6","2","10","1","10","1") = "9"
    & skf18("2","6","2","10","2","1","1") = "9"
    & skf18("2","6","2","10","2","2","1") = "9"
    & skf18("2","6","2","10","2","3","1") = "9"
    & skf18("2","6","2","10","2","4","1") = "9"
    & skf18("2","6","2","10","2","5","1") = "9"
    & skf18("2","6","2","10","2","6","1") = "9"
    & skf18("2","6","2","10","2","7","1") = "9"
    & skf18("2","6","2","10","2","8","1") = "9"
    & skf18("2","6","2","10","2","9","1") = "9"
    & skf18("2","6","2","10","2","10","1") = "9"
    & skf18("2","6","2","10","3","1","1") = "9"
    & skf18("2","6","2","10","3","2","1") = "9"
    & skf18("2","6","2","10","3","3","1") = "9"
    & skf18("2","6","2","10","3","4","1") = "9"
    & skf18("2","6","2","10","3","5","1") = "9"
    & skf18("2","6","2","10","3","6","1") = "9"
    & skf18("2","6","2","10","3","7","1") = "9"
    & skf18("2","6","2","10","3","8","1") = "9"
    & skf18("2","6","2","10","3","9","1") = "9"
    & skf18("2","6","2","10","3","10","1") = "9"
    & skf18("2","6","2","10","4","1","1") = "9"
    & skf18("2","6","2","10","4","2","1") = "9"
    & skf18("2","6","2","10","4","3","1") = "9"
    & skf18("2","6","2","10","4","4","1") = "9"
    & skf18("2","6","2","10","4","5","1") = "9"
    & skf18("2","6","2","10","4","6","1") = "9"
    & skf18("2","6","2","10","4","7","1") = "9"
    & skf18("2","6","2","10","4","8","1") = "9"
    & skf18("2","6","2","10","4","9","1") = "9"
    & skf18("2","6","2","10","4","10","1") = "9"
    & skf18("2","6","2","10","5","1","1") = "9"
    & skf18("2","6","2","10","5","2","1") = "9"
    & skf18("2","6","2","10","5","3","1") = "9"
    & skf18("2","6","2","10","5","4","1") = "9"
    & skf18("2","6","2","10","5","5","1") = "9"
    & skf18("2","6","2","10","5","6","1") = "9"
    & skf18("2","6","2","10","5","7","1") = "9"
    & skf18("2","6","2","10","5","8","1") = "9"
    & skf18("2","6","2","10","5","9","1") = "9"
    & skf18("2","6","2","10","5","10","1") = "9"
    & skf18("2","6","2","10","6","1","1") = "9"
    & skf18("2","6","2","10","6","2","1") = "9"
    & skf18("2","6","2","10","6","3","1") = "9"
    & skf18("2","6","2","10","6","4","1") = "9"
    & skf18("2","6","2","10","6","5","1") = "9"
    & skf18("2","6","2","10","6","6","1") = "9"
    & skf18("2","6","2","10","6","7","1") = "9"
    & skf18("2","6","2","10","6","8","1") = "9"
    & skf18("2","6","2","10","6","9","1") = "9"
    & skf18("2","6","2","10","6","10","1") = "9"
    & skf18("2","6","2","10","7","1","1") = "9"
    & skf18("2","6","2","10","7","2","1") = "9"
    & skf18("2","6","2","10","7","3","1") = "9"
    & skf18("2","6","2","10","7","4","1") = "9"
    & skf18("2","6","2","10","7","5","1") = "9"
    & skf18("2","6","2","10","7","6","1") = "9"
    & skf18("2","6","2","10","7","7","1") = "9"
    & skf18("2","6","2","10","7","8","1") = "9"
    & skf18("2","6","2","10","7","9","1") = "9"
    & skf18("2","6","2","10","7","10","1") = "9"
    & skf18("2","6","2","10","8","1","1") = "9"
    & skf18("2","6","2","10","8","2","1") = "9"
    & skf18("2","6","2","10","8","3","1") = "9"
    & skf18("2","6","2","10","8","4","1") = "9"
    & skf18("2","6","2","10","8","5","1") = "9"
    & skf18("2","6","2","10","8","6","1") = "9"
    & skf18("2","6","2","10","8","7","1") = "9"
    & skf18("2","6","2","10","8","8","1") = "9"
    & skf18("2","6","2","10","8","9","1") = "9"
    & skf18("2","6","2","10","8","10","1") = "9"
    & skf18("2","6","2","10","9","1","1") = "9"
    & skf18("2","6","2","10","9","2","1") = "9"
    & skf18("2","6","2","10","9","3","1") = "9"
    & skf18("2","6","2","10","9","4","1") = "9"
    & skf18("2","6","2","10","9","5","1") = "9"
    & skf18("2","6","2","10","9","6","1") = "9"
    & skf18("2","6","2","10","9","7","1") = "9"
    & skf18("2","6","2","10","9","8","1") = "9"
    & skf18("2","6","2","10","9","9","1") = "9"
    & skf18("2","6","2","10","9","10","1") = "9"
    & skf18("2","6","2","10","10","1","1") = "9"
    & skf18("2","6","2","10","10","2","1") = "9"
    & skf18("2","6","2","10","10","3","1") = "9"
    & skf18("2","6","2","10","10","4","1") = "9"
    & skf18("2","6","2","10","10","5","1") = "9"
    & skf18("2","6","2","10","10","6","1") = "9"
    & skf18("2","6","2","10","10","7","1") = "9"
    & skf18("2","6","2","10","10","8","1") = "9"
    & skf18("2","6","2","10","10","9","1") = "9"
    & skf18("2","6","2","10","10","10","1") = "9"
    & skf18("2","6","3","1","1","1","1") = "5"
    & skf18("2","6","3","1","1","2","1") = "5"
    & skf18("2","6","3","1","1","3","1") = "5"
    & skf18("2","6","3","1","1","4","1") = "5"
    & skf18("2","6","3","1","1","5","1") = "5"
    & skf18("2","6","3","1","1","6","1") = "5"
    & skf18("2","6","3","1","1","7","1") = "6"
    & skf18("2","6","3","1","1","8","1") = "7"
    & skf18("2","6","3","1","1","9","1") = "8"
    & skf18("2","6","3","1","1","10","1") = "9"
    & skf18("2","6","3","1","2","1","1") = "5"
    & skf18("2","6","3","1","2","2","1") = "5"
    & skf18("2","6","3","1","2","3","1") = "5"
    & skf18("2","6","3","1","2","4","1") = "5"
    & skf18("2","6","3","1","2","5","1") = "5"
    & skf18("2","6","3","1","2","6","1") = "5"
    & skf18("2","6","3","1","2","7","1") = "6"
    & skf18("2","6","3","1","2","8","1") = "7"
    & skf18("2","6","3","1","2","9","1") = "8"
    & skf18("2","6","3","1","2","10","1") = "9"
    & skf18("2","6","3","1","3","1","1") = "5"
    & skf18("2","6","3","1","3","2","1") = "5"
    & skf18("2","6","3","1","3","3","1") = "5"
    & skf18("2","6","3","1","3","4","1") = "5"
    & skf18("2","6","3","1","3","5","1") = "5"
    & skf18("2","6","3","1","3","6","1") = "5"
    & skf18("2","6","3","1","3","7","1") = "6"
    & skf18("2","6","3","1","3","8","1") = "7"
    & skf18("2","6","3","1","3","9","1") = "8"
    & skf18("2","6","3","1","3","10","1") = "9"
    & skf18("2","6","3","1","4","1","1") = "5"
    & skf18("2","6","3","1","4","2","1") = "5"
    & skf18("2","6","3","1","4","3","1") = "5"
    & skf18("2","6","3","1","4","4","1") = "5"
    & skf18("2","6","3","1","4","5","1") = "5"
    & skf18("2","6","3","1","4","6","1") = "5"
    & skf18("2","6","3","1","4","7","1") = "6"
    & skf18("2","6","3","1","4","8","1") = "7"
    & skf18("2","6","3","1","4","9","1") = "8"
    & skf18("2","6","3","1","4","10","1") = "9"
    & skf18("2","6","3","1","5","1","1") = "5"
    & skf18("2","6","3","1","5","2","1") = "5"
    & skf18("2","6","3","1","5","3","1") = "5"
    & skf18("2","6","3","1","5","4","1") = "5"
    & skf18("2","6","3","1","5","5","1") = "5"
    & skf18("2","6","3","1","5","6","1") = "5"
    & skf18("2","6","3","1","5","7","1") = "6"
    & skf18("2","6","3","1","5","8","1") = "7"
    & skf18("2","6","3","1","5","9","1") = "8"
    & skf18("2","6","3","1","5","10","1") = "9"
    & skf18("2","6","3","1","6","1","1") = "5"
    & skf18("2","6","3","1","6","2","1") = "5"
    & skf18("2","6","3","1","6","3","1") = "5"
    & skf18("2","6","3","1","6","4","1") = "5"
    & skf18("2","6","3","1","6","5","1") = "5"
    & skf18("2","6","3","1","6","6","1") = "5"
    & skf18("2","6","3","1","6","7","1") = "6"
    & skf18("2","6","3","1","6","8","1") = "7"
    & skf18("2","6","3","1","6","9","1") = "8"
    & skf18("2","6","3","1","6","10","1") = "9"
    & skf18("2","6","3","1","7","1","1") = "6"
    & skf18("2","6","3","1","7","2","1") = "6"
    & skf18("2","6","3","1","7","3","1") = "6"
    & skf18("2","6","3","1","7","4","1") = "6"
    & skf18("2","6","3","1","7","5","1") = "6"
    & skf18("2","6","3","1","7","6","1") = "6"
    & skf18("2","6","3","1","7","7","1") = "6"
    & skf18("2","6","3","1","7","8","1") = "7"
    & skf18("2","6","3","1","7","9","1") = "8"
    & skf18("2","6","3","1","7","10","1") = "9"
    & skf18("2","6","3","1","8","1","1") = "7"
    & skf18("2","6","3","1","8","2","1") = "7"
    & skf18("2","6","3","1","8","3","1") = "7"
    & skf18("2","6","3","1","8","4","1") = "7"
    & skf18("2","6","3","1","8","5","1") = "7"
    & skf18("2","6","3","1","8","6","1") = "7"
    & skf18("2","6","3","1","8","7","1") = "7"
    & skf18("2","6","3","1","8","8","1") = "7"
    & skf18("2","6","3","1","8","9","1") = "8"
    & skf18("2","6","3","1","8","10","1") = "9"
    & skf18("2","6","3","1","9","1","1") = "8"
    & skf18("2","6","3","1","9","2","1") = "8"
    & skf18("2","6","3","1","9","3","1") = "8"
    & skf18("2","6","3","1","9","4","1") = "8"
    & skf18("2","6","3","1","9","5","1") = "8"
    & skf18("2","6","3","1","9","6","1") = "8"
    & skf18("2","6","3","1","9","7","1") = "8"
    & skf18("2","6","3","1","9","8","1") = "8"
    & skf18("2","6","3","1","9","9","1") = "8"
    & skf18("2","6","3","1","9","10","1") = "9"
    & skf18("2","6","3","1","10","1","1") = "9"
    & skf18("2","6","3","1","10","2","1") = "9"
    & skf18("2","6","3","1","10","3","1") = "9"
    & skf18("2","6","3","1","10","4","1") = "9"
    & skf18("2","6","3","1","10","5","1") = "9"
    & skf18("2","6","3","1","10","6","1") = "9"
    & skf18("2","6","3","1","10","7","1") = "9"
    & skf18("2","6","3","1","10","8","1") = "9"
    & skf18("2","6","3","1","10","9","1") = "9"
    & skf18("2","6","3","1","10","10","1") = "9"
    & skf18("2","6","3","2","1","1","1") = "5"
    & skf18("2","6","3","2","1","2","1") = "5"
    & skf18("2","6","3","2","1","3","1") = "5"
    & skf18("2","6","3","2","1","4","1") = "5"
    & skf18("2","6","3","2","1","5","1") = "5"
    & skf18("2","6","3","2","1","6","1") = "5"
    & skf18("2","6","3","2","1","7","1") = "6"
    & skf18("2","6","3","2","1","8","1") = "7"
    & skf18("2","6","3","2","1","9","1") = "8"
    & skf18("2","6","3","2","1","10","1") = "9"
    & skf18("2","6","3","2","2","1","1") = "5"
    & skf18("2","6","3","2","2","2","1") = "5"
    & skf18("2","6","3","2","2","3","1") = "5"
    & skf18("2","6","3","2","2","4","1") = "5"
    & skf18("2","6","3","2","2","5","1") = "5"
    & skf18("2","6","3","2","2","6","1") = "5"
    & skf18("2","6","3","2","2","7","1") = "6"
    & skf18("2","6","3","2","2","8","1") = "7"
    & skf18("2","6","3","2","2","9","1") = "8"
    & skf18("2","6","3","2","2","10","1") = "9"
    & skf18("2","6","3","2","3","1","1") = "5"
    & skf18("2","6","3","2","3","2","1") = "5"
    & skf18("2","6","3","2","3","3","1") = "5"
    & skf18("2","6","3","2","3","4","1") = "5"
    & skf18("2","6","3","2","3","5","1") = "5"
    & skf18("2","6","3","2","3","6","1") = "5"
    & skf18("2","6","3","2","3","7","1") = "6"
    & skf18("2","6","3","2","3","8","1") = "7"
    & skf18("2","6","3","2","3","9","1") = "8"
    & skf18("2","6","3","2","3","10","1") = "9"
    & skf18("2","6","3","2","4","1","1") = "5"
    & skf18("2","6","3","2","4","2","1") = "5"
    & skf18("2","6","3","2","4","3","1") = "5"
    & skf18("2","6","3","2","4","4","1") = "5"
    & skf18("2","6","3","2","4","5","1") = "5"
    & skf18("2","6","3","2","4","6","1") = "5"
    & skf18("2","6","3","2","4","7","1") = "6"
    & skf18("2","6","3","2","4","8","1") = "7"
    & skf18("2","6","3","2","4","9","1") = "8"
    & skf18("2","6","3","2","4","10","1") = "9"
    & skf18("2","6","3","2","5","1","1") = "5"
    & skf18("2","6","3","2","5","2","1") = "5"
    & skf18("2","6","3","2","5","3","1") = "5"
    & skf18("2","6","3","2","5","4","1") = "5"
    & skf18("2","6","3","2","5","5","1") = "5"
    & skf18("2","6","3","2","5","6","1") = "5"
    & skf18("2","6","3","2","5","7","1") = "6"
    & skf18("2","6","3","2","5","8","1") = "7"
    & skf18("2","6","3","2","5","9","1") = "8"
    & skf18("2","6","3","2","5","10","1") = "9"
    & skf18("2","6","3","2","6","1","1") = "5"
    & skf18("2","6","3","2","6","2","1") = "5"
    & skf18("2","6","3","2","6","3","1") = "5"
    & skf18("2","6","3","2","6","4","1") = "5"
    & skf18("2","6","3","2","6","5","1") = "5"
    & skf18("2","6","3","2","6","6","1") = "5"
    & skf18("2","6","3","2","6","7","1") = "6"
    & skf18("2","6","3","2","6","8","1") = "7"
    & skf18("2","6","3","2","6","9","1") = "8"
    & skf18("2","6","3","2","6","10","1") = "9"
    & skf18("2","6","3","2","7","1","1") = "6"
    & skf18("2","6","3","2","7","2","1") = "6"
    & skf18("2","6","3","2","7","3","1") = "6"
    & skf18("2","6","3","2","7","4","1") = "6"
    & skf18("2","6","3","2","7","5","1") = "6"
    & skf18("2","6","3","2","7","6","1") = "6"
    & skf18("2","6","3","2","7","7","1") = "6"
    & skf18("2","6","3","2","7","8","1") = "7"
    & skf18("2","6","3","2","7","9","1") = "8"
    & skf18("2","6","3","2","7","10","1") = "9"
    & skf18("2","6","3","2","8","1","1") = "7"
    & skf18("2","6","3","2","8","2","1") = "7"
    & skf18("2","6","3","2","8","3","1") = "7"
    & skf18("2","6","3","2","8","4","1") = "7"
    & skf18("2","6","3","2","8","5","1") = "7"
    & skf18("2","6","3","2","8","6","1") = "7"
    & skf18("2","6","3","2","8","7","1") = "7"
    & skf18("2","6","3","2","8","8","1") = "7"
    & skf18("2","6","3","2","8","9","1") = "8"
    & skf18("2","6","3","2","8","10","1") = "9"
    & skf18("2","6","3","2","9","1","1") = "8"
    & skf18("2","6","3","2","9","2","1") = "8"
    & skf18("2","6","3","2","9","3","1") = "8"
    & skf18("2","6","3","2","9","4","1") = "8"
    & skf18("2","6","3","2","9","5","1") = "8"
    & skf18("2","6","3","2","9","6","1") = "8"
    & skf18("2","6","3","2","9","7","1") = "8"
    & skf18("2","6","3","2","9","8","1") = "8"
    & skf18("2","6","3","2","9","9","1") = "8"
    & skf18("2","6","3","2","9","10","1") = "9"
    & skf18("2","6","3","2","10","1","1") = "9"
    & skf18("2","6","3","2","10","2","1") = "9"
    & skf18("2","6","3","2","10","3","1") = "9"
    & skf18("2","6","3","2","10","4","1") = "9"
    & skf18("2","6","3","2","10","5","1") = "9"
    & skf18("2","6","3","2","10","6","1") = "9"
    & skf18("2","6","3","2","10","7","1") = "9"
    & skf18("2","6","3","2","10","8","1") = "9"
    & skf18("2","6","3","2","10","9","1") = "9"
    & skf18("2","6","3","2","10","10","1") = "9"
    & skf18("2","6","3","3","1","1","1") = "5"
    & skf18("2","6","3","3","1","2","1") = "5"
    & skf18("2","6","3","3","1","3","1") = "5"
    & skf18("2","6","3","3","1","4","1") = "5"
    & skf18("2","6","3","3","1","5","1") = "5"
    & skf18("2","6","3","3","1","6","1") = "5"
    & skf18("2","6","3","3","1","7","1") = "6"
    & skf18("2","6","3","3","1","8","1") = "7"
    & skf18("2","6","3","3","1","9","1") = "8"
    & skf18("2","6","3","3","1","10","1") = "9"
    & skf18("2","6","3","3","2","1","1") = "5"
    & skf18("2","6","3","3","2","2","1") = "5"
    & skf18("2","6","3","3","2","3","1") = "5"
    & skf18("2","6","3","3","2","4","1") = "5"
    & skf18("2","6","3","3","2","5","1") = "5"
    & skf18("2","6","3","3","2","6","1") = "5"
    & skf18("2","6","3","3","2","7","1") = "6"
    & skf18("2","6","3","3","2","8","1") = "7"
    & skf18("2","6","3","3","2","9","1") = "8"
    & skf18("2","6","3","3","2","10","1") = "9"
    & skf18("2","6","3","3","3","1","1") = "5"
    & skf18("2","6","3","3","3","2","1") = "5"
    & skf18("2","6","3","3","3","3","1") = "5"
    & skf18("2","6","3","3","3","4","1") = "5"
    & skf18("2","6","3","3","3","5","1") = "5"
    & skf18("2","6","3","3","3","6","1") = "5"
    & skf18("2","6","3","3","3","7","1") = "6"
    & skf18("2","6","3","3","3","8","1") = "7"
    & skf18("2","6","3","3","3","9","1") = "8"
    & skf18("2","6","3","3","3","10","1") = "9"
    & skf18("2","6","3","3","4","1","1") = "5"
    & skf18("2","6","3","3","4","2","1") = "5"
    & skf18("2","6","3","3","4","3","1") = "5"
    & skf18("2","6","3","3","4","4","1") = "5"
    & skf18("2","6","3","3","4","5","1") = "5"
    & skf18("2","6","3","3","4","6","1") = "5"
    & skf18("2","6","3","3","4","7","1") = "6"
    & skf18("2","6","3","3","4","8","1") = "7"
    & skf18("2","6","3","3","4","9","1") = "8"
    & skf18("2","6","3","3","4","10","1") = "9"
    & skf18("2","6","3","3","5","1","1") = "5"
    & skf18("2","6","3","3","5","2","1") = "5"
    & skf18("2","6","3","3","5","3","1") = "5"
    & skf18("2","6","3","3","5","4","1") = "5"
    & skf18("2","6","3","3","5","5","1") = "5"
    & skf18("2","6","3","3","5","6","1") = "5"
    & skf18("2","6","3","3","5","7","1") = "6"
    & skf18("2","6","3","3","5","8","1") = "7"
    & skf18("2","6","3","3","5","9","1") = "8"
    & skf18("2","6","3","3","5","10","1") = "9"
    & skf18("2","6","3","3","6","1","1") = "5"
    & skf18("2","6","3","3","6","2","1") = "5"
    & skf18("2","6","3","3","6","3","1") = "5"
    & skf18("2","6","3","3","6","4","1") = "5"
    & skf18("2","6","3","3","6","5","1") = "5"
    & skf18("2","6","3","3","6","6","1") = "5"
    & skf18("2","6","3","3","6","7","1") = "6"
    & skf18("2","6","3","3","6","8","1") = "7"
    & skf18("2","6","3","3","6","9","1") = "8"
    & skf18("2","6","3","3","6","10","1") = "9"
    & skf18("2","6","3","3","7","1","1") = "6"
    & skf18("2","6","3","3","7","2","1") = "6"
    & skf18("2","6","3","3","7","3","1") = "6"
    & skf18("2","6","3","3","7","4","1") = "6"
    & skf18("2","6","3","3","7","5","1") = "6"
    & skf18("2","6","3","3","7","6","1") = "6"
    & skf18("2","6","3","3","7","7","1") = "6"
    & skf18("2","6","3","3","7","8","1") = "7"
    & skf18("2","6","3","3","7","9","1") = "8"
    & skf18("2","6","3","3","7","10","1") = "9"
    & skf18("2","6","3","3","8","1","1") = "7"
    & skf18("2","6","3","3","8","2","1") = "7"
    & skf18("2","6","3","3","8","3","1") = "7"
    & skf18("2","6","3","3","8","4","1") = "7"
    & skf18("2","6","3","3","8","5","1") = "7"
    & skf18("2","6","3","3","8","6","1") = "7"
    & skf18("2","6","3","3","8","7","1") = "7"
    & skf18("2","6","3","3","8","8","1") = "7"
    & skf18("2","6","3","3","8","9","1") = "8"
    & skf18("2","6","3","3","8","10","1") = "9"
    & skf18("2","6","3","3","9","1","1") = "8"
    & skf18("2","6","3","3","9","2","1") = "8"
    & skf18("2","6","3","3","9","3","1") = "8"
    & skf18("2","6","3","3","9","4","1") = "8"
    & skf18("2","6","3","3","9","5","1") = "8"
    & skf18("2","6","3","3","9","6","1") = "8"
    & skf18("2","6","3","3","9","7","1") = "8"
    & skf18("2","6","3","3","9","8","1") = "8"
    & skf18("2","6","3","3","9","9","1") = "8"
    & skf18("2","6","3","3","9","10","1") = "9"
    & skf18("2","6","3","3","10","1","1") = "9"
    & skf18("2","6","3","3","10","2","1") = "9"
    & skf18("2","6","3","3","10","3","1") = "9"
    & skf18("2","6","3","3","10","4","1") = "9"
    & skf18("2","6","3","3","10","5","1") = "9"
    & skf18("2","6","3","3","10","6","1") = "9"
    & skf18("2","6","3","3","10","7","1") = "9"
    & skf18("2","6","3","3","10","8","1") = "9"
    & skf18("2","6","3","3","10","9","1") = "9"
    & skf18("2","6","3","3","10","10","1") = "9"
    & skf18("2","6","3","4","1","1","1") = "5"
    & skf18("2","6","3","4","1","2","1") = "5"
    & skf18("2","6","3","4","1","3","1") = "5"
    & skf18("2","6","3","4","1","4","1") = "5"
    & skf18("2","6","3","4","1","5","1") = "5"
    & skf18("2","6","3","4","1","6","1") = "5"
    & skf18("2","6","3","4","1","7","1") = "6"
    & skf18("2","6","3","4","1","8","1") = "7"
    & skf18("2","6","3","4","1","9","1") = "8"
    & skf18("2","6","3","4","1","10","1") = "9"
    & skf18("2","6","3","4","2","1","1") = "5"
    & skf18("2","6","3","4","2","2","1") = "5"
    & skf18("2","6","3","4","2","3","1") = "5"
    & skf18("2","6","3","4","2","4","1") = "5"
    & skf18("2","6","3","4","2","5","1") = "5"
    & skf18("2","6","3","4","2","6","1") = "5"
    & skf18("2","6","3","4","2","7","1") = "6"
    & skf18("2","6","3","4","2","8","1") = "7"
    & skf18("2","6","3","4","2","9","1") = "8"
    & skf18("2","6","3","4","2","10","1") = "9"
    & skf18("2","6","3","4","3","1","1") = "5"
    & skf18("2","6","3","4","3","2","1") = "5"
    & skf18("2","6","3","4","3","3","1") = "5"
    & skf18("2","6","3","4","3","4","1") = "5"
    & skf18("2","6","3","4","3","5","1") = "5"
    & skf18("2","6","3","4","3","6","1") = "5"
    & skf18("2","6","3","4","3","7","1") = "6"
    & skf18("2","6","3","4","3","8","1") = "7"
    & skf18("2","6","3","4","3","9","1") = "8"
    & skf18("2","6","3","4","3","10","1") = "9"
    & skf18("2","6","3","4","4","1","1") = "5"
    & skf18("2","6","3","4","4","2","1") = "5"
    & skf18("2","6","3","4","4","3","1") = "5"
    & skf18("2","6","3","4","4","4","1") = "5"
    & skf18("2","6","3","4","4","5","1") = "5"
    & skf18("2","6","3","4","4","6","1") = "5"
    & skf18("2","6","3","4","4","7","1") = "6"
    & skf18("2","6","3","4","4","8","1") = "7"
    & skf18("2","6","3","4","4","9","1") = "8"
    & skf18("2","6","3","4","4","10","1") = "9"
    & skf18("2","6","3","4","5","1","1") = "5"
    & skf18("2","6","3","4","5","2","1") = "5"
    & skf18("2","6","3","4","5","3","1") = "5"
    & skf18("2","6","3","4","5","4","1") = "5"
    & skf18("2","6","3","4","5","5","1") = "5"
    & skf18("2","6","3","4","5","6","1") = "5"
    & skf18("2","6","3","4","5","7","1") = "6"
    & skf18("2","6","3","4","5","8","1") = "7"
    & skf18("2","6","3","4","5","9","1") = "8"
    & skf18("2","6","3","4","5","10","1") = "9"
    & skf18("2","6","3","4","6","1","1") = "5"
    & skf18("2","6","3","4","6","2","1") = "5"
    & skf18("2","6","3","4","6","3","1") = "5"
    & skf18("2","6","3","4","6","4","1") = "5"
    & skf18("2","6","3","4","6","5","1") = "5"
    & skf18("2","6","3","4","6","6","1") = "5"
    & skf18("2","6","3","4","6","7","1") = "6"
    & skf18("2","6","3","4","6","8","1") = "7"
    & skf18("2","6","3","4","6","9","1") = "8"
    & skf18("2","6","3","4","6","10","1") = "9"
    & skf18("2","6","3","4","7","1","1") = "6"
    & skf18("2","6","3","4","7","2","1") = "6"
    & skf18("2","6","3","4","7","3","1") = "6"
    & skf18("2","6","3","4","7","4","1") = "6"
    & skf18("2","6","3","4","7","5","1") = "6"
    & skf18("2","6","3","4","7","6","1") = "6"
    & skf18("2","6","3","4","7","7","1") = "6"
    & skf18("2","6","3","4","7","8","1") = "7"
    & skf18("2","6","3","4","7","9","1") = "8"
    & skf18("2","6","3","4","7","10","1") = "9"
    & skf18("2","6","3","4","8","1","1") = "7"
    & skf18("2","6","3","4","8","2","1") = "7"
    & skf18("2","6","3","4","8","3","1") = "7"
    & skf18("2","6","3","4","8","4","1") = "7"
    & skf18("2","6","3","4","8","5","1") = "7"
    & skf18("2","6","3","4","8","6","1") = "7"
    & skf18("2","6","3","4","8","7","1") = "7"
    & skf18("2","6","3","4","8","8","1") = "7"
    & skf18("2","6","3","4","8","9","1") = "8"
    & skf18("2","6","3","4","8","10","1") = "9"
    & skf18("2","6","3","4","9","1","1") = "8"
    & skf18("2","6","3","4","9","2","1") = "8"
    & skf18("2","6","3","4","9","3","1") = "8"
    & skf18("2","6","3","4","9","4","1") = "8"
    & skf18("2","6","3","4","9","5","1") = "8"
    & skf18("2","6","3","4","9","6","1") = "8"
    & skf18("2","6","3","4","9","7","1") = "8"
    & skf18("2","6","3","4","9","8","1") = "8"
    & skf18("2","6","3","4","9","9","1") = "8"
    & skf18("2","6","3","4","9","10","1") = "9"
    & skf18("2","6","3","4","10","1","1") = "9"
    & skf18("2","6","3","4","10","2","1") = "9"
    & skf18("2","6","3","4","10","3","1") = "9"
    & skf18("2","6","3","4","10","4","1") = "9"
    & skf18("2","6","3","4","10","5","1") = "9"
    & skf18("2","6","3","4","10","6","1") = "9"
    & skf18("2","6","3","4","10","7","1") = "9"
    & skf18("2","6","3","4","10","8","1") = "9"
    & skf18("2","6","3","4","10","9","1") = "9"
    & skf18("2","6","3","4","10","10","1") = "9"
    & skf18("2","6","3","5","1","1","1") = "5"
    & skf18("2","6","3","5","1","2","1") = "5"
    & skf18("2","6","3","5","1","3","1") = "5"
    & skf18("2","6","3","5","1","4","1") = "5"
    & skf18("2","6","3","5","1","5","1") = "5"
    & skf18("2","6","3","5","1","6","1") = "5"
    & skf18("2","6","3","5","1","7","1") = "6"
    & skf18("2","6","3","5","1","8","1") = "7"
    & skf18("2","6","3","5","1","9","1") = "8"
    & skf18("2","6","3","5","1","10","1") = "9"
    & skf18("2","6","3","5","2","1","1") = "5"
    & skf18("2","6","3","5","2","2","1") = "5"
    & skf18("2","6","3","5","2","3","1") = "5"
    & skf18("2","6","3","5","2","4","1") = "5"
    & skf18("2","6","3","5","2","5","1") = "5"
    & skf18("2","6","3","5","2","6","1") = "5"
    & skf18("2","6","3","5","2","7","1") = "6"
    & skf18("2","6","3","5","2","8","1") = "7"
    & skf18("2","6","3","5","2","9","1") = "8"
    & skf18("2","6","3","5","2","10","1") = "9"
    & skf18("2","6","3","5","3","1","1") = "5"
    & skf18("2","6","3","5","3","2","1") = "5"
    & skf18("2","6","3","5","3","3","1") = "5"
    & skf18("2","6","3","5","3","4","1") = "5"
    & skf18("2","6","3","5","3","5","1") = "5"
    & skf18("2","6","3","5","3","6","1") = "5"
    & skf18("2","6","3","5","3","7","1") = "6"
    & skf18("2","6","3","5","3","8","1") = "7"
    & skf18("2","6","3","5","3","9","1") = "8"
    & skf18("2","6","3","5","3","10","1") = "9"
    & skf18("2","6","3","5","4","1","1") = "5"
    & skf18("2","6","3","5","4","2","1") = "5"
    & skf18("2","6","3","5","4","3","1") = "5"
    & skf18("2","6","3","5","4","4","1") = "5"
    & skf18("2","6","3","5","4","5","1") = "5"
    & skf18("2","6","3","5","4","6","1") = "5"
    & skf18("2","6","3","5","4","7","1") = "6"
    & skf18("2","6","3","5","4","8","1") = "7"
    & skf18("2","6","3","5","4","9","1") = "8"
    & skf18("2","6","3","5","4","10","1") = "9"
    & skf18("2","6","3","5","5","1","1") = "5"
    & skf18("2","6","3","5","5","2","1") = "5"
    & skf18("2","6","3","5","5","3","1") = "5"
    & skf18("2","6","3","5","5","4","1") = "5"
    & skf18("2","6","3","5","5","5","1") = "5"
    & skf18("2","6","3","5","5","6","1") = "5"
    & skf18("2","6","3","5","5","7","1") = "6"
    & skf18("2","6","3","5","5","8","1") = "7"
    & skf18("2","6","3","5","5","9","1") = "8"
    & skf18("2","6","3","5","5","10","1") = "9"
    & skf18("2","6","3","5","6","1","1") = "5"
    & skf18("2","6","3","5","6","2","1") = "5"
    & skf18("2","6","3","5","6","3","1") = "5"
    & skf18("2","6","3","5","6","4","1") = "5"
    & skf18("2","6","3","5","6","5","1") = "5"
    & skf18("2","6","3","5","6","6","1") = "5"
    & skf18("2","6","3","5","6","7","1") = "6"
    & skf18("2","6","3","5","6","8","1") = "7"
    & skf18("2","6","3","5","6","9","1") = "8"
    & skf18("2","6","3","5","6","10","1") = "9"
    & skf18("2","6","3","5","7","1","1") = "6"
    & skf18("2","6","3","5","7","2","1") = "6"
    & skf18("2","6","3","5","7","3","1") = "6"
    & skf18("2","6","3","5","7","4","1") = "6"
    & skf18("2","6","3","5","7","5","1") = "6"
    & skf18("2","6","3","5","7","6","1") = "6"
    & skf18("2","6","3","5","7","7","1") = "6"
    & skf18("2","6","3","5","7","8","1") = "7"
    & skf18("2","6","3","5","7","9","1") = "8"
    & skf18("2","6","3","5","7","10","1") = "9"
    & skf18("2","6","3","5","8","1","1") = "7"
    & skf18("2","6","3","5","8","2","1") = "7"
    & skf18("2","6","3","5","8","3","1") = "7"
    & skf18("2","6","3","5","8","4","1") = "7"
    & skf18("2","6","3","5","8","5","1") = "7"
    & skf18("2","6","3","5","8","6","1") = "7"
    & skf18("2","6","3","5","8","7","1") = "7"
    & skf18("2","6","3","5","8","8","1") = "7"
    & skf18("2","6","3","5","8","9","1") = "8"
    & skf18("2","6","3","5","8","10","1") = "9"
    & skf18("2","6","3","5","9","1","1") = "8"
    & skf18("2","6","3","5","9","2","1") = "8"
    & skf18("2","6","3","5","9","3","1") = "8"
    & skf18("2","6","3","5","9","4","1") = "8"
    & skf18("2","6","3","5","9","5","1") = "8"
    & skf18("2","6","3","5","9","6","1") = "8"
    & skf18("2","6","3","5","9","7","1") = "8"
    & skf18("2","6","3","5","9","8","1") = "8"
    & skf18("2","6","3","5","9","9","1") = "8"
    & skf18("2","6","3","5","9","10","1") = "9"
    & skf18("2","6","3","5","10","1","1") = "9"
    & skf18("2","6","3","5","10","2","1") = "9"
    & skf18("2","6","3","5","10","3","1") = "9"
    & skf18("2","6","3","5","10","4","1") = "9"
    & skf18("2","6","3","5","10","5","1") = "9"
    & skf18("2","6","3","5","10","6","1") = "9"
    & skf18("2","6","3","5","10","7","1") = "9"
    & skf18("2","6","3","5","10","8","1") = "9"
    & skf18("2","6","3","5","10","9","1") = "9"
    & skf18("2","6","3","5","10","10","1") = "9"
    & skf18("2","6","3","6","1","1","1") = "5"
    & skf18("2","6","3","6","1","2","1") = "5"
    & skf18("2","6","3","6","1","3","1") = "5"
    & skf18("2","6","3","6","1","4","1") = "5"
    & skf18("2","6","3","6","1","5","1") = "5"
    & skf18("2","6","3","6","1","6","1") = "5"
    & skf18("2","6","3","6","1","7","1") = "6"
    & skf18("2","6","3","6","1","8","1") = "7"
    & skf18("2","6","3","6","1","9","1") = "8"
    & skf18("2","6","3","6","1","10","1") = "9"
    & skf18("2","6","3","6","2","1","1") = "5"
    & skf18("2","6","3","6","2","2","1") = "5"
    & skf18("2","6","3","6","2","3","1") = "5"
    & skf18("2","6","3","6","2","4","1") = "5"
    & skf18("2","6","3","6","2","5","1") = "5"
    & skf18("2","6","3","6","2","6","1") = "5"
    & skf18("2","6","3","6","2","7","1") = "6"
    & skf18("2","6","3","6","2","8","1") = "7"
    & skf18("2","6","3","6","2","9","1") = "8"
    & skf18("2","6","3","6","2","10","1") = "9"
    & skf18("2","6","3","6","3","1","1") = "5"
    & skf18("2","6","3","6","3","2","1") = "5"
    & skf18("2","6","3","6","3","3","1") = "5"
    & skf18("2","6","3","6","3","4","1") = "5"
    & skf18("2","6","3","6","3","5","1") = "5"
    & skf18("2","6","3","6","3","6","1") = "5"
    & skf18("2","6","3","6","3","7","1") = "6"
    & skf18("2","6","3","6","3","8","1") = "7"
    & skf18("2","6","3","6","3","9","1") = "8"
    & skf18("2","6","3","6","3","10","1") = "9"
    & skf18("2","6","3","6","4","1","1") = "5"
    & skf18("2","6","3","6","4","2","1") = "5"
    & skf18("2","6","3","6","4","3","1") = "5"
    & skf18("2","6","3","6","4","4","1") = "5"
    & skf18("2","6","3","6","4","5","1") = "5"
    & skf18("2","6","3","6","4","6","1") = "5"
    & skf18("2","6","3","6","4","7","1") = "6"
    & skf18("2","6","3","6","4","8","1") = "7"
    & skf18("2","6","3","6","4","9","1") = "8"
    & skf18("2","6","3","6","4","10","1") = "9"
    & skf18("2","6","3","6","5","1","1") = "5"
    & skf18("2","6","3","6","5","2","1") = "5"
    & skf18("2","6","3","6","5","3","1") = "5"
    & skf18("2","6","3","6","5","4","1") = "5"
    & skf18("2","6","3","6","5","5","1") = "5"
    & skf18("2","6","3","6","5","6","1") = "5"
    & skf18("2","6","3","6","5","7","1") = "6"
    & skf18("2","6","3","6","5","8","1") = "7"
    & skf18("2","6","3","6","5","9","1") = "8"
    & skf18("2","6","3","6","5","10","1") = "9"
    & skf18("2","6","3","6","6","1","1") = "5"
    & skf18("2","6","3","6","6","2","1") = "5"
    & skf18("2","6","3","6","6","3","1") = "5"
    & skf18("2","6","3","6","6","4","1") = "5"
    & skf18("2","6","3","6","6","5","1") = "5"
    & skf18("2","6","3","6","6","6","1") = "5"
    & skf18("2","6","3","6","6","7","1") = "6"
    & skf18("2","6","3","6","6","8","1") = "7"
    & skf18("2","6","3","6","6","9","1") = "8"
    & skf18("2","6","3","6","6","10","1") = "9"
    & skf18("2","6","3","6","7","1","1") = "6"
    & skf18("2","6","3","6","7","2","1") = "6"
    & skf18("2","6","3","6","7","3","1") = "6"
    & skf18("2","6","3","6","7","4","1") = "6"
    & skf18("2","6","3","6","7","5","1") = "6"
    & skf18("2","6","3","6","7","6","1") = "6"
    & skf18("2","6","3","6","7","7","1") = "6"
    & skf18("2","6","3","6","7","8","1") = "7"
    & skf18("2","6","3","6","7","9","1") = "8"
    & skf18("2","6","3","6","7","10","1") = "9"
    & skf18("2","6","3","6","8","1","1") = "7"
    & skf18("2","6","3","6","8","2","1") = "7"
    & skf18("2","6","3","6","8","3","1") = "7"
    & skf18("2","6","3","6","8","4","1") = "7"
    & skf18("2","6","3","6","8","5","1") = "7"
    & skf18("2","6","3","6","8","6","1") = "7"
    & skf18("2","6","3","6","8","7","1") = "7"
    & skf18("2","6","3","6","8","8","1") = "7"
    & skf18("2","6","3","6","8","9","1") = "8"
    & skf18("2","6","3","6","8","10","1") = "9"
    & skf18("2","6","3","6","9","1","1") = "8"
    & skf18("2","6","3","6","9","2","1") = "8"
    & skf18("2","6","3","6","9","3","1") = "8"
    & skf18("2","6","3","6","9","4","1") = "8"
    & skf18("2","6","3","6","9","5","1") = "8"
    & skf18("2","6","3","6","9","6","1") = "8"
    & skf18("2","6","3","6","9","7","1") = "8"
    & skf18("2","6","3","6","9","8","1") = "8"
    & skf18("2","6","3","6","9","9","1") = "8"
    & skf18("2","6","3","6","9","10","1") = "9"
    & skf18("2","6","3","6","10","1","1") = "9"
    & skf18("2","6","3","6","10","2","1") = "9"
    & skf18("2","6","3","6","10","3","1") = "9"
    & skf18("2","6","3","6","10","4","1") = "9"
    & skf18("2","6","3","6","10","5","1") = "9"
    & skf18("2","6","3","6","10","6","1") = "9"
    & skf18("2","6","3","6","10","7","1") = "9"
    & skf18("2","6","3","6","10","8","1") = "9"
    & skf18("2","6","3","6","10","9","1") = "9"
    & skf18("2","6","3","6","10","10","1") = "9"
    & skf18("2","6","3","7","1","1","1") = "6"
    & skf18("2","6","3","7","1","2","1") = "6"
    & skf18("2","6","3","7","1","3","1") = "6"
    & skf18("2","6","3","7","1","4","1") = "6"
    & skf18("2","6","3","7","1","5","1") = "6"
    & skf18("2","6","3","7","1","6","1") = "6"
    & skf18("2","6","3","7","1","7","1") = "6"
    & skf18("2","6","3","7","1","8","1") = "7"
    & skf18("2","6","3","7","1","9","1") = "8"
    & skf18("2","6","3","7","1","10","1") = "9"
    & skf18("2","6","3","7","2","1","1") = "6"
    & skf18("2","6","3","7","2","2","1") = "6"
    & skf18("2","6","3","7","2","3","1") = "6"
    & skf18("2","6","3","7","2","4","1") = "6"
    & skf18("2","6","3","7","2","5","1") = "6"
    & skf18("2","6","3","7","2","6","1") = "6"
    & skf18("2","6","3","7","2","7","1") = "6"
    & skf18("2","6","3","7","2","8","1") = "7"
    & skf18("2","6","3","7","2","9","1") = "8"
    & skf18("2","6","3","7","2","10","1") = "9"
    & skf18("2","6","3","7","3","1","1") = "6"
    & skf18("2","6","3","7","3","2","1") = "6"
    & skf18("2","6","3","7","3","3","1") = "6"
    & skf18("2","6","3","7","3","4","1") = "6"
    & skf18("2","6","3","7","3","5","1") = "6"
    & skf18("2","6","3","7","3","6","1") = "6"
    & skf18("2","6","3","7","3","7","1") = "6"
    & skf18("2","6","3","7","3","8","1") = "7"
    & skf18("2","6","3","7","3","9","1") = "8"
    & skf18("2","6","3","7","3","10","1") = "9"
    & skf18("2","6","3","7","4","1","1") = "6"
    & skf18("2","6","3","7","4","2","1") = "6"
    & skf18("2","6","3","7","4","3","1") = "6"
    & skf18("2","6","3","7","4","4","1") = "6"
    & skf18("2","6","3","7","4","5","1") = "6"
    & skf18("2","6","3","7","4","6","1") = "6"
    & skf18("2","6","3","7","4","7","1") = "6"
    & skf18("2","6","3","7","4","8","1") = "7"
    & skf18("2","6","3","7","4","9","1") = "8"
    & skf18("2","6","3","7","4","10","1") = "9"
    & skf18("2","6","3","7","5","1","1") = "6"
    & skf18("2","6","3","7","5","2","1") = "6"
    & skf18("2","6","3","7","5","3","1") = "6"
    & skf18("2","6","3","7","5","4","1") = "6"
    & skf18("2","6","3","7","5","5","1") = "6"
    & skf18("2","6","3","7","5","6","1") = "6"
    & skf18("2","6","3","7","5","7","1") = "6"
    & skf18("2","6","3","7","5","8","1") = "7"
    & skf18("2","6","3","7","5","9","1") = "8"
    & skf18("2","6","3","7","5","10","1") = "9"
    & skf18("2","6","3","7","6","1","1") = "6"
    & skf18("2","6","3","7","6","2","1") = "6"
    & skf18("2","6","3","7","6","3","1") = "6"
    & skf18("2","6","3","7","6","4","1") = "6"
    & skf18("2","6","3","7","6","5","1") = "6"
    & skf18("2","6","3","7","6","6","1") = "6"
    & skf18("2","6","3","7","6","7","1") = "6"
    & skf18("2","6","3","7","6","8","1") = "7"
    & skf18("2","6","3","7","6","9","1") = "8"
    & skf18("2","6","3","7","6","10","1") = "9"
    & skf18("2","6","3","7","7","1","1") = "6"
    & skf18("2","6","3","7","7","2","1") = "6"
    & skf18("2","6","3","7","7","3","1") = "6"
    & skf18("2","6","3","7","7","4","1") = "6"
    & skf18("2","6","3","7","7","5","1") = "6"
    & skf18("2","6","3","7","7","6","1") = "6"
    & skf18("2","6","3","7","7","7","1") = "6"
    & skf18("2","6","3","7","7","8","1") = "7"
    & skf18("2","6","3","7","7","9","1") = "8"
    & skf18("2","6","3","7","7","10","1") = "9"
    & skf18("2","6","3","7","8","1","1") = "7"
    & skf18("2","6","3","7","8","2","1") = "7"
    & skf18("2","6","3","7","8","3","1") = "7"
    & skf18("2","6","3","7","8","4","1") = "7"
    & skf18("2","6","3","7","8","5","1") = "7"
    & skf18("2","6","3","7","8","6","1") = "7"
    & skf18("2","6","3","7","8","7","1") = "7"
    & skf18("2","6","3","7","8","8","1") = "7"
    & skf18("2","6","3","7","8","9","1") = "8"
    & skf18("2","6","3","7","8","10","1") = "9"
    & skf18("2","6","3","7","9","1","1") = "8"
    & skf18("2","6","3","7","9","2","1") = "8"
    & skf18("2","6","3","7","9","3","1") = "8"
    & skf18("2","6","3","7","9","4","1") = "8"
    & skf18("2","6","3","7","9","5","1") = "8"
    & skf18("2","6","3","7","9","6","1") = "8"
    & skf18("2","6","3","7","9","7","1") = "8"
    & skf18("2","6","3","7","9","8","1") = "8"
    & skf18("2","6","3","7","9","9","1") = "8"
    & skf18("2","6","3","7","9","10","1") = "9"
    & skf18("2","6","3","7","10","1","1") = "9"
    & skf18("2","6","3","7","10","2","1") = "9"
    & skf18("2","6","3","7","10","3","1") = "9"
    & skf18("2","6","3","7","10","4","1") = "9"
    & skf18("2","6","3","7","10","5","1") = "9"
    & skf18("2","6","3","7","10","6","1") = "9"
    & skf18("2","6","3","7","10","7","1") = "9"
    & skf18("2","6","3","7","10","8","1") = "9"
    & skf18("2","6","3","7","10","9","1") = "9"
    & skf18("2","6","3","7","10","10","1") = "9"
    & skf18("2","6","3","8","1","1","1") = "7"
    & skf18("2","6","3","8","1","2","1") = "7"
    & skf18("2","6","3","8","1","3","1") = "7"
    & skf18("2","6","3","8","1","4","1") = "7"
    & skf18("2","6","3","8","1","5","1") = "7"
    & skf18("2","6","3","8","1","6","1") = "7"
    & skf18("2","6","3","8","1","7","1") = "7"
    & skf18("2","6","3","8","1","8","1") = "7"
    & skf18("2","6","3","8","1","9","1") = "8"
    & skf18("2","6","3","8","1","10","1") = "9"
    & skf18("2","6","3","8","2","1","1") = "7"
    & skf18("2","6","3","8","2","2","1") = "7"
    & skf18("2","6","3","8","2","3","1") = "7"
    & skf18("2","6","3","8","2","4","1") = "7"
    & skf18("2","6","3","8","2","5","1") = "7"
    & skf18("2","6","3","8","2","6","1") = "7"
    & skf18("2","6","3","8","2","7","1") = "7"
    & skf18("2","6","3","8","2","8","1") = "7"
    & skf18("2","6","3","8","2","9","1") = "8"
    & skf18("2","6","3","8","2","10","1") = "9"
    & skf18("2","6","3","8","3","1","1") = "7"
    & skf18("2","6","3","8","3","2","1") = "7"
    & skf18("2","6","3","8","3","3","1") = "7"
    & skf18("2","6","3","8","3","4","1") = "7"
    & skf18("2","6","3","8","3","5","1") = "7"
    & skf18("2","6","3","8","3","6","1") = "7"
    & skf18("2","6","3","8","3","7","1") = "7"
    & skf18("2","6","3","8","3","8","1") = "7"
    & skf18("2","6","3","8","3","9","1") = "8"
    & skf18("2","6","3","8","3","10","1") = "9"
    & skf18("2","6","3","8","4","1","1") = "7"
    & skf18("2","6","3","8","4","2","1") = "7"
    & skf18("2","6","3","8","4","3","1") = "7"
    & skf18("2","6","3","8","4","4","1") = "7"
    & skf18("2","6","3","8","4","5","1") = "7"
    & skf18("2","6","3","8","4","6","1") = "7"
    & skf18("2","6","3","8","4","7","1") = "7"
    & skf18("2","6","3","8","4","8","1") = "7"
    & skf18("2","6","3","8","4","9","1") = "8"
    & skf18("2","6","3","8","4","10","1") = "9"
    & skf18("2","6","3","8","5","1","1") = "7"
    & skf18("2","6","3","8","5","2","1") = "7"
    & skf18("2","6","3","8","5","3","1") = "7"
    & skf18("2","6","3","8","5","4","1") = "7"
    & skf18("2","6","3","8","5","5","1") = "7"
    & skf18("2","6","3","8","5","6","1") = "7"
    & skf18("2","6","3","8","5","7","1") = "7"
    & skf18("2","6","3","8","5","8","1") = "7"
    & skf18("2","6","3","8","5","9","1") = "8"
    & skf18("2","6","3","8","5","10","1") = "9"
    & skf18("2","6","3","8","6","1","1") = "7"
    & skf18("2","6","3","8","6","2","1") = "7"
    & skf18("2","6","3","8","6","3","1") = "7"
    & skf18("2","6","3","8","6","4","1") = "7"
    & skf18("2","6","3","8","6","5","1") = "7"
    & skf18("2","6","3","8","6","6","1") = "7"
    & skf18("2","6","3","8","6","7","1") = "7"
    & skf18("2","6","3","8","6","8","1") = "7"
    & skf18("2","6","3","8","6","9","1") = "8"
    & skf18("2","6","3","8","6","10","1") = "9"
    & skf18("2","6","3","8","7","1","1") = "7"
    & skf18("2","6","3","8","7","2","1") = "7"
    & skf18("2","6","3","8","7","3","1") = "7"
    & skf18("2","6","3","8","7","4","1") = "7"
    & skf18("2","6","3","8","7","5","1") = "7"
    & skf18("2","6","3","8","7","6","1") = "7"
    & skf18("2","6","3","8","7","7","1") = "7"
    & skf18("2","6","3","8","7","8","1") = "7"
    & skf18("2","6","3","8","7","9","1") = "8"
    & skf18("2","6","3","8","7","10","1") = "9"
    & skf18("2","6","3","8","8","1","1") = "7"
    & skf18("2","6","3","8","8","2","1") = "7"
    & skf18("2","6","3","8","8","3","1") = "7"
    & skf18("2","6","3","8","8","4","1") = "7"
    & skf18("2","6","3","8","8","5","1") = "7"
    & skf18("2","6","3","8","8","6","1") = "7"
    & skf18("2","6","3","8","8","7","1") = "7"
    & skf18("2","6","3","8","8","8","1") = "7"
    & skf18("2","6","3","8","8","9","1") = "8"
    & skf18("2","6","3","8","8","10","1") = "9"
    & skf18("2","6","3","8","9","1","1") = "8"
    & skf18("2","6","3","8","9","2","1") = "8"
    & skf18("2","6","3","8","9","3","1") = "8"
    & skf18("2","6","3","8","9","4","1") = "8"
    & skf18("2","6","3","8","9","5","1") = "8"
    & skf18("2","6","3","8","9","6","1") = "8"
    & skf18("2","6","3","8","9","7","1") = "8"
    & skf18("2","6","3","8","9","8","1") = "8"
    & skf18("2","6","3","8","9","9","1") = "8"
    & skf18("2","6","3","8","9","10","1") = "9"
    & skf18("2","6","3","8","10","1","1") = "9"
    & skf18("2","6","3","8","10","2","1") = "9"
    & skf18("2","6","3","8","10","3","1") = "9"
    & skf18("2","6","3","8","10","4","1") = "9"
    & skf18("2","6","3","8","10","5","1") = "9"
    & skf18("2","6","3","8","10","6","1") = "9"
    & skf18("2","6","3","8","10","7","1") = "9"
    & skf18("2","6","3","8","10","8","1") = "9"
    & skf18("2","6","3","8","10","9","1") = "9"
    & skf18("2","6","3","8","10","10","1") = "9"
    & skf18("2","6","3","9","1","1","1") = "8"
    & skf18("2","6","3","9","1","2","1") = "8"
    & skf18("2","6","3","9","1","3","1") = "8"
    & skf18("2","6","3","9","1","4","1") = "8"
    & skf18("2","6","3","9","1","5","1") = "8"
    & skf18("2","6","3","9","1","6","1") = "8"
    & skf18("2","6","3","9","1","7","1") = "8"
    & skf18("2","6","3","9","1","8","1") = "8"
    & skf18("2","6","3","9","1","9","1") = "8"
    & skf18("2","6","3","9","1","10","1") = "9"
    & skf18("2","6","3","9","2","1","1") = "8"
    & skf18("2","6","3","9","2","2","1") = "8"
    & skf18("2","6","3","9","2","3","1") = "8"
    & skf18("2","6","3","9","2","4","1") = "8"
    & skf18("2","6","3","9","2","5","1") = "8"
    & skf18("2","6","3","9","2","6","1") = "8"
    & skf18("2","6","3","9","2","7","1") = "8"
    & skf18("2","6","3","9","2","8","1") = "8"
    & skf18("2","6","3","9","2","9","1") = "8"
    & skf18("2","6","3","9","2","10","1") = "9"
    & skf18("2","6","3","9","3","1","1") = "8"
    & skf18("2","6","3","9","3","2","1") = "8"
    & skf18("2","6","3","9","3","3","1") = "8"
    & skf18("2","6","3","9","3","4","1") = "8"
    & skf18("2","6","3","9","3","5","1") = "8"
    & skf18("2","6","3","9","3","6","1") = "8"
    & skf18("2","6","3","9","3","7","1") = "8"
    & skf18("2","6","3","9","3","8","1") = "8"
    & skf18("2","6","3","9","3","9","1") = "8"
    & skf18("2","6","3","9","3","10","1") = "9"
    & skf18("2","6","3","9","4","1","1") = "8"
    & skf18("2","6","3","9","4","2","1") = "8"
    & skf18("2","6","3","9","4","3","1") = "8"
    & skf18("2","6","3","9","4","4","1") = "8"
    & skf18("2","6","3","9","4","5","1") = "8"
    & skf18("2","6","3","9","4","6","1") = "8"
    & skf18("2","6","3","9","4","7","1") = "8"
    & skf18("2","6","3","9","4","8","1") = "8"
    & skf18("2","6","3","9","4","9","1") = "8"
    & skf18("2","6","3","9","4","10","1") = "9"
    & skf18("2","6","3","9","5","1","1") = "8"
    & skf18("2","6","3","9","5","2","1") = "8"
    & skf18("2","6","3","9","5","3","1") = "8"
    & skf18("2","6","3","9","5","4","1") = "8"
    & skf18("2","6","3","9","5","5","1") = "8"
    & skf18("2","6","3","9","5","6","1") = "8"
    & skf18("2","6","3","9","5","7","1") = "8"
    & skf18("2","6","3","9","5","8","1") = "8"
    & skf18("2","6","3","9","5","9","1") = "8"
    & skf18("2","6","3","9","5","10","1") = "9"
    & skf18("2","6","3","9","6","1","1") = "8"
    & skf18("2","6","3","9","6","2","1") = "8"
    & skf18("2","6","3","9","6","3","1") = "8"
    & skf18("2","6","3","9","6","4","1") = "8"
    & skf18("2","6","3","9","6","5","1") = "8"
    & skf18("2","6","3","9","6","6","1") = "8"
    & skf18("2","6","3","9","6","7","1") = "8"
    & skf18("2","6","3","9","6","8","1") = "8"
    & skf18("2","6","3","9","6","9","1") = "8"
    & skf18("2","6","3","9","6","10","1") = "9"
    & skf18("2","6","3","9","7","1","1") = "8"
    & skf18("2","6","3","9","7","2","1") = "8"
    & skf18("2","6","3","9","7","3","1") = "8"
    & skf18("2","6","3","9","7","4","1") = "8"
    & skf18("2","6","3","9","7","5","1") = "8"
    & skf18("2","6","3","9","7","6","1") = "8"
    & skf18("2","6","3","9","7","7","1") = "8"
    & skf18("2","6","3","9","7","8","1") = "8"
    & skf18("2","6","3","9","7","9","1") = "8"
    & skf18("2","6","3","9","7","10","1") = "9"
    & skf18("2","6","3","9","8","1","1") = "8"
    & skf18("2","6","3","9","8","2","1") = "8"
    & skf18("2","6","3","9","8","3","1") = "8"
    & skf18("2","6","3","9","8","4","1") = "8"
    & skf18("2","6","3","9","8","5","1") = "8"
    & skf18("2","6","3","9","8","6","1") = "8"
    & skf18("2","6","3","9","8","7","1") = "8"
    & skf18("2","6","3","9","8","8","1") = "8"
    & skf18("2","6","3","9","8","9","1") = "8"
    & skf18("2","6","3","9","8","10","1") = "9"
    & skf18("2","6","3","9","9","1","1") = "8"
    & skf18("2","6","3","9","9","2","1") = "8"
    & skf18("2","6","3","9","9","3","1") = "8"
    & skf18("2","6","3","9","9","4","1") = "8"
    & skf18("2","6","3","9","9","5","1") = "8"
    & skf18("2","6","3","9","9","6","1") = "8"
    & skf18("2","6","3","9","9","7","1") = "8"
    & skf18("2","6","3","9","9","8","1") = "8"
    & skf18("2","6","3","9","9","9","1") = "8"
    & skf18("2","6","3","9","9","10","1") = "9"
    & skf18("2","6","3","9","10","1","1") = "9"
    & skf18("2","6","3","9","10","2","1") = "9"
    & skf18("2","6","3","9","10","3","1") = "9"
    & skf18("2","6","3","9","10","4","1") = "9"
    & skf18("2","6","3","9","10","5","1") = "9"
    & skf18("2","6","3","9","10","6","1") = "9"
    & skf18("2","6","3","9","10","7","1") = "9"
    & skf18("2","6","3","9","10","8","1") = "9"
    & skf18("2","6","3","9","10","9","1") = "9"
    & skf18("2","6","3","9","10","10","1") = "9"
    & skf18("2","6","3","10","1","1","1") = "9"
    & skf18("2","6","3","10","1","2","1") = "9"
    & skf18("2","6","3","10","1","3","1") = "9"
    & skf18("2","6","3","10","1","4","1") = "9"
    & skf18("2","6","3","10","1","5","1") = "9"
    & skf18("2","6","3","10","1","6","1") = "9"
    & skf18("2","6","3","10","1","7","1") = "9"
    & skf18("2","6","3","10","1","8","1") = "9"
    & skf18("2","6","3","10","1","9","1") = "9"
    & skf18("2","6","3","10","1","10","1") = "9"
    & skf18("2","6","3","10","2","1","1") = "9"
    & skf18("2","6","3","10","2","2","1") = "9"
    & skf18("2","6","3","10","2","3","1") = "9"
    & skf18("2","6","3","10","2","4","1") = "9"
    & skf18("2","6","3","10","2","5","1") = "9"
    & skf18("2","6","3","10","2","6","1") = "9"
    & skf18("2","6","3","10","2","7","1") = "9"
    & skf18("2","6","3","10","2","8","1") = "9"
    & skf18("2","6","3","10","2","9","1") = "9"
    & skf18("2","6","3","10","2","10","1") = "9"
    & skf18("2","6","3","10","3","1","1") = "9"
    & skf18("2","6","3","10","3","2","1") = "9"
    & skf18("2","6","3","10","3","3","1") = "9"
    & skf18("2","6","3","10","3","4","1") = "9"
    & skf18("2","6","3","10","3","5","1") = "9"
    & skf18("2","6","3","10","3","6","1") = "9"
    & skf18("2","6","3","10","3","7","1") = "9"
    & skf18("2","6","3","10","3","8","1") = "9"
    & skf18("2","6","3","10","3","9","1") = "9"
    & skf18("2","6","3","10","3","10","1") = "9"
    & skf18("2","6","3","10","4","1","1") = "9"
    & skf18("2","6","3","10","4","2","1") = "9"
    & skf18("2","6","3","10","4","3","1") = "9"
    & skf18("2","6","3","10","4","4","1") = "9"
    & skf18("2","6","3","10","4","5","1") = "9"
    & skf18("2","6","3","10","4","6","1") = "9"
    & skf18("2","6","3","10","4","7","1") = "9"
    & skf18("2","6","3","10","4","8","1") = "9"
    & skf18("2","6","3","10","4","9","1") = "9"
    & skf18("2","6","3","10","4","10","1") = "9"
    & skf18("2","6","3","10","5","1","1") = "9"
    & skf18("2","6","3","10","5","2","1") = "9"
    & skf18("2","6","3","10","5","3","1") = "9"
    & skf18("2","6","3","10","5","4","1") = "9"
    & skf18("2","6","3","10","5","5","1") = "9"
    & skf18("2","6","3","10","5","6","1") = "9"
    & skf18("2","6","3","10","5","7","1") = "9"
    & skf18("2","6","3","10","5","8","1") = "9"
    & skf18("2","6","3","10","5","9","1") = "9"
    & skf18("2","6","3","10","5","10","1") = "9"
    & skf18("2","6","3","10","6","1","1") = "9"
    & skf18("2","6","3","10","6","2","1") = "9"
    & skf18("2","6","3","10","6","3","1") = "9"
    & skf18("2","6","3","10","6","4","1") = "9"
    & skf18("2","6","3","10","6","5","1") = "9"
    & skf18("2","6","3","10","6","6","1") = "9"
    & skf18("2","6","3","10","6","7","1") = "9"
    & skf18("2","6","3","10","6","8","1") = "9"
    & skf18("2","6","3","10","6","9","1") = "9"
    & skf18("2","6","3","10","6","10","1") = "9"
    & skf18("2","6","3","10","7","1","1") = "9"
    & skf18("2","6","3","10","7","2","1") = "9"
    & skf18("2","6","3","10","7","3","1") = "9"
    & skf18("2","6","3","10","7","4","1") = "9"
    & skf18("2","6","3","10","7","5","1") = "9"
    & skf18("2","6","3","10","7","6","1") = "9"
    & skf18("2","6","3","10","7","7","1") = "9"
    & skf18("2","6","3","10","7","8","1") = "9"
    & skf18("2","6","3","10","7","9","1") = "9"
    & skf18("2","6","3","10","7","10","1") = "9"
    & skf18("2","6","3","10","8","1","1") = "9"
    & skf18("2","6","3","10","8","2","1") = "9"
    & skf18("2","6","3","10","8","3","1") = "9"
    & skf18("2","6","3","10","8","4","1") = "9"
    & skf18("2","6","3","10","8","5","1") = "9"
    & skf18("2","6","3","10","8","6","1") = "9"
    & skf18("2","6","3","10","8","7","1") = "9"
    & skf18("2","6","3","10","8","8","1") = "9"
    & skf18("2","6","3","10","8","9","1") = "9"
    & skf18("2","6","3","10","8","10","1") = "9"
    & skf18("2","6","3","10","9","1","1") = "9"
    & skf18("2","6","3","10","9","2","1") = "9"
    & skf18("2","6","3","10","9","3","1") = "9"
    & skf18("2","6","3","10","9","4","1") = "9"
    & skf18("2","6","3","10","9","5","1") = "9"
    & skf18("2","6","3","10","9","6","1") = "9"
    & skf18("2","6","3","10","9","7","1") = "9"
    & skf18("2","6","3","10","9","8","1") = "9"
    & skf18("2","6","3","10","9","9","1") = "9"
    & skf18("2","6","3","10","9","10","1") = "9"
    & skf18("2","6","3","10","10","1","1") = "9"
    & skf18("2","6","3","10","10","2","1") = "9"
    & skf18("2","6","3","10","10","3","1") = "9"
    & skf18("2","6","3","10","10","4","1") = "9"
    & skf18("2","6","3","10","10","5","1") = "9"
    & skf18("2","6","3","10","10","6","1") = "9"
    & skf18("2","6","3","10","10","7","1") = "9"
    & skf18("2","6","3","10","10","8","1") = "9"
    & skf18("2","6","3","10","10","9","1") = "9"
    & skf18("2","6","3","10","10","10","1") = "9"
    & skf18("2","6","4","1","1","1","1") = "5"
    & skf18("2","6","4","1","1","2","1") = "5"
    & skf18("2","6","4","1","1","3","1") = "5"
    & skf18("2","6","4","1","1","4","1") = "5"
    & skf18("2","6","4","1","1","5","1") = "5"
    & skf18("2","6","4","1","1","6","1") = "5"
    & skf18("2","6","4","1","1","7","1") = "6"
    & skf18("2","6","4","1","1","8","1") = "7"
    & skf18("2","6","4","1","1","9","1") = "8"
    & skf18("2","6","4","1","1","10","1") = "9"
    & skf18("2","6","4","1","2","1","1") = "5"
    & skf18("2","6","4","1","2","2","1") = "5"
    & skf18("2","6","4","1","2","3","1") = "5"
    & skf18("2","6","4","1","2","4","1") = "5"
    & skf18("2","6","4","1","2","5","1") = "5"
    & skf18("2","6","4","1","2","6","1") = "5"
    & skf18("2","6","4","1","2","7","1") = "6"
    & skf18("2","6","4","1","2","8","1") = "7"
    & skf18("2","6","4","1","2","9","1") = "8"
    & skf18("2","6","4","1","2","10","1") = "9"
    & skf18("2","6","4","1","3","1","1") = "5"
    & skf18("2","6","4","1","3","2","1") = "5"
    & skf18("2","6","4","1","3","3","1") = "5"
    & skf18("2","6","4","1","3","4","1") = "5"
    & skf18("2","6","4","1","3","5","1") = "5"
    & skf18("2","6","4","1","3","6","1") = "5"
    & skf18("2","6","4","1","3","7","1") = "6"
    & skf18("2","6","4","1","3","8","1") = "7"
    & skf18("2","6","4","1","3","9","1") = "8"
    & skf18("2","6","4","1","3","10","1") = "9"
    & skf18("2","6","4","1","4","1","1") = "5"
    & skf18("2","6","4","1","4","2","1") = "5"
    & skf18("2","6","4","1","4","3","1") = "5"
    & skf18("2","6","4","1","4","4","1") = "5"
    & skf18("2","6","4","1","4","5","1") = "5"
    & skf18("2","6","4","1","4","6","1") = "5"
    & skf18("2","6","4","1","4","7","1") = "6"
    & skf18("2","6","4","1","4","8","1") = "7"
    & skf18("2","6","4","1","4","9","1") = "8"
    & skf18("2","6","4","1","4","10","1") = "9"
    & skf18("2","6","4","1","5","1","1") = "5"
    & skf18("2","6","4","1","5","2","1") = "5"
    & skf18("2","6","4","1","5","3","1") = "5"
    & skf18("2","6","4","1","5","4","1") = "5"
    & skf18("2","6","4","1","5","5","1") = "5"
    & skf18("2","6","4","1","5","6","1") = "5"
    & skf18("2","6","4","1","5","7","1") = "6"
    & skf18("2","6","4","1","5","8","1") = "7"
    & skf18("2","6","4","1","5","9","1") = "8"
    & skf18("2","6","4","1","5","10","1") = "9"
    & skf18("2","6","4","1","6","1","1") = "5"
    & skf18("2","6","4","1","6","2","1") = "5"
    & skf18("2","6","4","1","6","3","1") = "5"
    & skf18("2","6","4","1","6","4","1") = "5"
    & skf18("2","6","4","1","6","5","1") = "5"
    & skf18("2","6","4","1","6","6","1") = "5"
    & skf18("2","6","4","1","6","7","1") = "6"
    & skf18("2","6","4","1","6","8","1") = "7"
    & skf18("2","6","4","1","6","9","1") = "8"
    & skf18("2","6","4","1","6","10","1") = "9"
    & skf18("2","6","4","1","7","1","1") = "6"
    & skf18("2","6","4","1","7","2","1") = "6"
    & skf18("2","6","4","1","7","3","1") = "6"
    & skf18("2","6","4","1","7","4","1") = "6"
    & skf18("2","6","4","1","7","5","1") = "6"
    & skf18("2","6","4","1","7","6","1") = "6"
    & skf18("2","6","4","1","7","7","1") = "6"
    & skf18("2","6","4","1","7","8","1") = "7"
    & skf18("2","6","4","1","7","9","1") = "8"
    & skf18("2","6","4","1","7","10","1") = "9"
    & skf18("2","6","4","1","8","1","1") = "7"
    & skf18("2","6","4","1","8","2","1") = "7"
    & skf18("2","6","4","1","8","3","1") = "7"
    & skf18("2","6","4","1","8","4","1") = "7"
    & skf18("2","6","4","1","8","5","1") = "7"
    & skf18("2","6","4","1","8","6","1") = "7"
    & skf18("2","6","4","1","8","7","1") = "7"
    & skf18("2","6","4","1","8","8","1") = "7"
    & skf18("2","6","4","1","8","9","1") = "8"
    & skf18("2","6","4","1","8","10","1") = "9"
    & skf18("2","6","4","1","9","1","1") = "8"
    & skf18("2","6","4","1","9","2","1") = "8"
    & skf18("2","6","4","1","9","3","1") = "8"
    & skf18("2","6","4","1","9","4","1") = "8"
    & skf18("2","6","4","1","9","5","1") = "8"
    & skf18("2","6","4","1","9","6","1") = "8"
    & skf18("2","6","4","1","9","7","1") = "8"
    & skf18("2","6","4","1","9","8","1") = "8"
    & skf18("2","6","4","1","9","9","1") = "8"
    & skf18("2","6","4","1","9","10","1") = "9"
    & skf18("2","6","4","1","10","1","1") = "9"
    & skf18("2","6","4","1","10","2","1") = "9"
    & skf18("2","6","4","1","10","3","1") = "9"
    & skf18("2","6","4","1","10","4","1") = "9"
    & skf18("2","6","4","1","10","5","1") = "9"
    & skf18("2","6","4","1","10","6","1") = "9"
    & skf18("2","6","4","1","10","7","1") = "9"
    & skf18("2","6","4","1","10","8","1") = "9"
    & skf18("2","6","4","1","10","9","1") = "9"
    & skf18("2","6","4","1","10","10","1") = "9"
    & skf18("2","6","4","2","1","1","1") = "5"
    & skf18("2","6","4","2","1","2","1") = "5"
    & skf18("2","6","4","2","1","3","1") = "5"
    & skf18("2","6","4","2","1","4","1") = "5"
    & skf18("2","6","4","2","1","5","1") = "5"
    & skf18("2","6","4","2","1","6","1") = "5"
    & skf18("2","6","4","2","1","7","1") = "6"
    & skf18("2","6","4","2","1","8","1") = "7"
    & skf18("2","6","4","2","1","9","1") = "8"
    & skf18("2","6","4","2","1","10","1") = "9"
    & skf18("2","6","4","2","2","1","1") = "5"
    & skf18("2","6","4","2","2","2","1") = "5"
    & skf18("2","6","4","2","2","3","1") = "5"
    & skf18("2","6","4","2","2","4","1") = "5"
    & skf18("2","6","4","2","2","5","1") = "5"
    & skf18("2","6","4","2","2","6","1") = "5"
    & skf18("2","6","4","2","2","7","1") = "6"
    & skf18("2","6","4","2","2","8","1") = "7"
    & skf18("2","6","4","2","2","9","1") = "8"
    & skf18("2","6","4","2","2","10","1") = "9"
    & skf18("2","6","4","2","3","1","1") = "5"
    & skf18("2","6","4","2","3","2","1") = "5"
    & skf18("2","6","4","2","3","3","1") = "5"
    & skf18("2","6","4","2","3","4","1") = "5"
    & skf18("2","6","4","2","3","5","1") = "5"
    & skf18("2","6","4","2","3","6","1") = "5"
    & skf18("2","6","4","2","3","7","1") = "6"
    & skf18("2","6","4","2","3","8","1") = "7"
    & skf18("2","6","4","2","3","9","1") = "8"
    & skf18("2","6","4","2","3","10","1") = "9"
    & skf18("2","6","4","2","4","1","1") = "5"
    & skf18("2","6","4","2","4","2","1") = "5"
    & skf18("2","6","4","2","4","3","1") = "5"
    & skf18("2","6","4","2","4","4","1") = "5"
    & skf18("2","6","4","2","4","5","1") = "5"
    & skf18("2","6","4","2","4","6","1") = "5"
    & skf18("2","6","4","2","4","7","1") = "6"
    & skf18("2","6","4","2","4","8","1") = "7"
    & skf18("2","6","4","2","4","9","1") = "8"
    & skf18("2","6","4","2","4","10","1") = "9"
    & skf18("2","6","4","2","5","1","1") = "5"
    & skf18("2","6","4","2","5","2","1") = "5"
    & skf18("2","6","4","2","5","3","1") = "5"
    & skf18("2","6","4","2","5","4","1") = "5"
    & skf18("2","6","4","2","5","5","1") = "5"
    & skf18("2","6","4","2","5","6","1") = "5"
    & skf18("2","6","4","2","5","7","1") = "6"
    & skf18("2","6","4","2","5","8","1") = "7"
    & skf18("2","6","4","2","5","9","1") = "8"
    & skf18("2","6","4","2","5","10","1") = "9"
    & skf18("2","6","4","2","6","1","1") = "5"
    & skf18("2","6","4","2","6","2","1") = "5"
    & skf18("2","6","4","2","6","3","1") = "5"
    & skf18("2","6","4","2","6","4","1") = "5"
    & skf18("2","6","4","2","6","5","1") = "5"
    & skf18("2","6","4","2","6","6","1") = "5"
    & skf18("2","6","4","2","6","7","1") = "6"
    & skf18("2","6","4","2","6","8","1") = "7"
    & skf18("2","6","4","2","6","9","1") = "8"
    & skf18("2","6","4","2","6","10","1") = "9"
    & skf18("2","6","4","2","7","1","1") = "6"
    & skf18("2","6","4","2","7","2","1") = "6"
    & skf18("2","6","4","2","7","3","1") = "6"
    & skf18("2","6","4","2","7","4","1") = "6"
    & skf18("2","6","4","2","7","5","1") = "6"
    & skf18("2","6","4","2","7","6","1") = "6"
    & skf18("2","6","4","2","7","7","1") = "6"
    & skf18("2","6","4","2","7","8","1") = "7"
    & skf18("2","6","4","2","7","9","1") = "8"
    & skf18("2","6","4","2","7","10","1") = "9"
    & skf18("2","6","4","2","8","1","1") = "7"
    & skf18("2","6","4","2","8","2","1") = "7"
    & skf18("2","6","4","2","8","3","1") = "7"
    & skf18("2","6","4","2","8","4","1") = "7"
    & skf18("2","6","4","2","8","5","1") = "7"
    & skf18("2","6","4","2","8","6","1") = "7"
    & skf18("2","6","4","2","8","7","1") = "7"
    & skf18("2","6","4","2","8","8","1") = "7"
    & skf18("2","6","4","2","8","9","1") = "8"
    & skf18("2","6","4","2","8","10","1") = "9"
    & skf18("2","6","4","2","9","1","1") = "8"
    & skf18("2","6","4","2","9","2","1") = "8"
    & skf18("2","6","4","2","9","3","1") = "8"
    & skf18("2","6","4","2","9","4","1") = "8"
    & skf18("2","6","4","2","9","5","1") = "8"
    & skf18("2","6","4","2","9","6","1") = "8"
    & skf18("2","6","4","2","9","7","1") = "8"
    & skf18("2","6","4","2","9","8","1") = "8"
    & skf18("2","6","4","2","9","9","1") = "8"
    & skf18("2","6","4","2","9","10","1") = "9"
    & skf18("2","6","4","2","10","1","1") = "9"
    & skf18("2","6","4","2","10","2","1") = "9"
    & skf18("2","6","4","2","10","3","1") = "9"
    & skf18("2","6","4","2","10","4","1") = "9"
    & skf18("2","6","4","2","10","5","1") = "9"
    & skf18("2","6","4","2","10","6","1") = "9"
    & skf18("2","6","4","2","10","7","1") = "9"
    & skf18("2","6","4","2","10","8","1") = "9"
    & skf18("2","6","4","2","10","9","1") = "9"
    & skf18("2","6","4","2","10","10","1") = "9"
    & skf18("2","6","4","3","1","1","1") = "5"
    & skf18("2","6","4","3","1","2","1") = "5"
    & skf18("2","6","4","3","1","3","1") = "5"
    & skf18("2","6","4","3","1","4","1") = "5"
    & skf18("2","6","4","3","1","5","1") = "5"
    & skf18("2","6","4","3","1","6","1") = "5"
    & skf18("2","6","4","3","1","7","1") = "6"
    & skf18("2","6","4","3","1","8","1") = "7"
    & skf18("2","6","4","3","1","9","1") = "8"
    & skf18("2","6","4","3","1","10","1") = "9"
    & skf18("2","6","4","3","2","1","1") = "5"
    & skf18("2","6","4","3","2","2","1") = "5"
    & skf18("2","6","4","3","2","3","1") = "5"
    & skf18("2","6","4","3","2","4","1") = "5"
    & skf18("2","6","4","3","2","5","1") = "5"
    & skf18("2","6","4","3","2","6","1") = "5"
    & skf18("2","6","4","3","2","7","1") = "6"
    & skf18("2","6","4","3","2","8","1") = "7"
    & skf18("2","6","4","3","2","9","1") = "8"
    & skf18("2","6","4","3","2","10","1") = "9"
    & skf18("2","6","4","3","3","1","1") = "5"
    & skf18("2","6","4","3","3","2","1") = "5"
    & skf18("2","6","4","3","3","3","1") = "5"
    & skf18("2","6","4","3","3","4","1") = "5"
    & skf18("2","6","4","3","3","5","1") = "5"
    & skf18("2","6","4","3","3","6","1") = "5"
    & skf18("2","6","4","3","3","7","1") = "6"
    & skf18("2","6","4","3","3","8","1") = "7"
    & skf18("2","6","4","3","3","9","1") = "8"
    & skf18("2","6","4","3","3","10","1") = "9"
    & skf18("2","6","4","3","4","1","1") = "5"
    & skf18("2","6","4","3","4","2","1") = "5"
    & skf18("2","6","4","3","4","3","1") = "5"
    & skf18("2","6","4","3","4","4","1") = "5"
    & skf18("2","6","4","3","4","5","1") = "5"
    & skf18("2","6","4","3","4","6","1") = "5"
    & skf18("2","6","4","3","4","7","1") = "6"
    & skf18("2","6","4","3","4","8","1") = "7"
    & skf18("2","6","4","3","4","9","1") = "8"
    & skf18("2","6","4","3","4","10","1") = "9"
    & skf18("2","6","4","3","5","1","1") = "5"
    & skf18("2","6","4","3","5","2","1") = "5"
    & skf18("2","6","4","3","5","3","1") = "5"
    & skf18("2","6","4","3","5","4","1") = "5"
    & skf18("2","6","4","3","5","5","1") = "5"
    & skf18("2","6","4","3","5","6","1") = "5"
    & skf18("2","6","4","3","5","7","1") = "6"
    & skf18("2","6","4","3","5","8","1") = "7"
    & skf18("2","6","4","3","5","9","1") = "8"
    & skf18("2","6","4","3","5","10","1") = "9"
    & skf18("2","6","4","3","6","1","1") = "5"
    & skf18("2","6","4","3","6","2","1") = "5"
    & skf18("2","6","4","3","6","3","1") = "5"
    & skf18("2","6","4","3","6","4","1") = "5"
    & skf18("2","6","4","3","6","5","1") = "5"
    & skf18("2","6","4","3","6","6","1") = "5"
    & skf18("2","6","4","3","6","7","1") = "6"
    & skf18("2","6","4","3","6","8","1") = "7"
    & skf18("2","6","4","3","6","9","1") = "8"
    & skf18("2","6","4","3","6","10","1") = "9"
    & skf18("2","6","4","3","7","1","1") = "6"
    & skf18("2","6","4","3","7","2","1") = "6"
    & skf18("2","6","4","3","7","3","1") = "6"
    & skf18("2","6","4","3","7","4","1") = "6"
    & skf18("2","6","4","3","7","5","1") = "6"
    & skf18("2","6","4","3","7","6","1") = "6"
    & skf18("2","6","4","3","7","7","1") = "6"
    & skf18("2","6","4","3","7","8","1") = "7"
    & skf18("2","6","4","3","7","9","1") = "8"
    & skf18("2","6","4","3","7","10","1") = "9"
    & skf18("2","6","4","3","8","1","1") = "7"
    & skf18("2","6","4","3","8","2","1") = "7"
    & skf18("2","6","4","3","8","3","1") = "7"
    & skf18("2","6","4","3","8","4","1") = "7"
    & skf18("2","6","4","3","8","5","1") = "7"
    & skf18("2","6","4","3","8","6","1") = "7"
    & skf18("2","6","4","3","8","7","1") = "7"
    & skf18("2","6","4","3","8","8","1") = "7"
    & skf18("2","6","4","3","8","9","1") = "8"
    & skf18("2","6","4","3","8","10","1") = "9"
    & skf18("2","6","4","3","9","1","1") = "8"
    & skf18("2","6","4","3","9","2","1") = "8"
    & skf18("2","6","4","3","9","3","1") = "8"
    & skf18("2","6","4","3","9","4","1") = "8"
    & skf18("2","6","4","3","9","5","1") = "8"
    & skf18("2","6","4","3","9","6","1") = "8"
    & skf18("2","6","4","3","9","7","1") = "8"
    & skf18("2","6","4","3","9","8","1") = "8"
    & skf18("2","6","4","3","9","9","1") = "8"
    & skf18("2","6","4","3","9","10","1") = "9"
    & skf18("2","6","4","3","10","1","1") = "9"
    & skf18("2","6","4","3","10","2","1") = "9"
    & skf18("2","6","4","3","10","3","1") = "9"
    & skf18("2","6","4","3","10","4","1") = "9"
    & skf18("2","6","4","3","10","5","1") = "9"
    & skf18("2","6","4","3","10","6","1") = "9"
    & skf18("2","6","4","3","10","7","1") = "9"
    & skf18("2","6","4","3","10","8","1") = "9"
    & skf18("2","6","4","3","10","9","1") = "9"
    & skf18("2","6","4","3","10","10","1") = "9"
    & skf18("2","6","4","4","1","1","1") = "5"
    & skf18("2","6","4","4","1","2","1") = "5"
    & skf18("2","6","4","4","1","3","1") = "5"
    & skf18("2","6","4","4","1","4","1") = "5"
    & skf18("2","6","4","4","1","5","1") = "5"
    & skf18("2","6","4","4","1","6","1") = "5"
    & skf18("2","6","4","4","1","7","1") = "6"
    & skf18("2","6","4","4","1","8","1") = "7"
    & skf18("2","6","4","4","1","9","1") = "8"
    & skf18("2","6","4","4","1","10","1") = "9"
    & skf18("2","6","4","4","2","1","1") = "5"
    & skf18("2","6","4","4","2","2","1") = "5"
    & skf18("2","6","4","4","2","3","1") = "5"
    & skf18("2","6","4","4","2","4","1") = "5"
    & skf18("2","6","4","4","2","5","1") = "5"
    & skf18("2","6","4","4","2","6","1") = "5"
    & skf18("2","6","4","4","2","7","1") = "6"
    & skf18("2","6","4","4","2","8","1") = "7"
    & skf18("2","6","4","4","2","9","1") = "8"
    & skf18("2","6","4","4","2","10","1") = "9"
    & skf18("2","6","4","4","3","1","1") = "5"
    & skf18("2","6","4","4","3","2","1") = "5"
    & skf18("2","6","4","4","3","3","1") = "5"
    & skf18("2","6","4","4","3","4","1") = "5"
    & skf18("2","6","4","4","3","5","1") = "5"
    & skf18("2","6","4","4","3","6","1") = "5"
    & skf18("2","6","4","4","3","7","1") = "6"
    & skf18("2","6","4","4","3","8","1") = "7"
    & skf18("2","6","4","4","3","9","1") = "8"
    & skf18("2","6","4","4","3","10","1") = "9"
    & skf18("2","6","4","4","4","1","1") = "5"
    & skf18("2","6","4","4","4","2","1") = "5"
    & skf18("2","6","4","4","4","3","1") = "5"
    & skf18("2","6","4","4","4","4","1") = "5"
    & skf18("2","6","4","4","4","5","1") = "5"
    & skf18("2","6","4","4","4","6","1") = "5"
    & skf18("2","6","4","4","4","7","1") = "6"
    & skf18("2","6","4","4","4","8","1") = "7"
    & skf18("2","6","4","4","4","9","1") = "8"
    & skf18("2","6","4","4","4","10","1") = "9"
    & skf18("2","6","4","4","5","1","1") = "5"
    & skf18("2","6","4","4","5","2","1") = "5"
    & skf18("2","6","4","4","5","3","1") = "5"
    & skf18("2","6","4","4","5","4","1") = "5"
    & skf18("2","6","4","4","5","5","1") = "5"
    & skf18("2","6","4","4","5","6","1") = "5"
    & skf18("2","6","4","4","5","7","1") = "6"
    & skf18("2","6","4","4","5","8","1") = "7"
    & skf18("2","6","4","4","5","9","1") = "8"
    & skf18("2","6","4","4","5","10","1") = "9"
    & skf18("2","6","4","4","6","1","1") = "5"
    & skf18("2","6","4","4","6","2","1") = "5"
    & skf18("2","6","4","4","6","3","1") = "5"
    & skf18("2","6","4","4","6","4","1") = "5"
    & skf18("2","6","4","4","6","5","1") = "5"
    & skf18("2","6","4","4","6","6","1") = "5"
    & skf18("2","6","4","4","6","7","1") = "6"
    & skf18("2","6","4","4","6","8","1") = "7"
    & skf18("2","6","4","4","6","9","1") = "8"
    & skf18("2","6","4","4","6","10","1") = "9"
    & skf18("2","6","4","4","7","1","1") = "6"
    & skf18("2","6","4","4","7","2","1") = "6"
    & skf18("2","6","4","4","7","3","1") = "6"
    & skf18("2","6","4","4","7","4","1") = "6"
    & skf18("2","6","4","4","7","5","1") = "6"
    & skf18("2","6","4","4","7","6","1") = "6"
    & skf18("2","6","4","4","7","7","1") = "6"
    & skf18("2","6","4","4","7","8","1") = "7"
    & skf18("2","6","4","4","7","9","1") = "8"
    & skf18("2","6","4","4","7","10","1") = "9"
    & skf18("2","6","4","4","8","1","1") = "7"
    & skf18("2","6","4","4","8","2","1") = "7"
    & skf18("2","6","4","4","8","3","1") = "7"
    & skf18("2","6","4","4","8","4","1") = "7"
    & skf18("2","6","4","4","8","5","1") = "7"
    & skf18("2","6","4","4","8","6","1") = "7"
    & skf18("2","6","4","4","8","7","1") = "7"
    & skf18("2","6","4","4","8","8","1") = "7"
    & skf18("2","6","4","4","8","9","1") = "8"
    & skf18("2","6","4","4","8","10","1") = "9"
    & skf18("2","6","4","4","9","1","1") = "8"
    & skf18("2","6","4","4","9","2","1") = "8"
    & skf18("2","6","4","4","9","3","1") = "8"
    & skf18("2","6","4","4","9","4","1") = "8"
    & skf18("2","6","4","4","9","5","1") = "8"
    & skf18("2","6","4","4","9","6","1") = "8"
    & skf18("2","6","4","4","9","7","1") = "8"
    & skf18("2","6","4","4","9","8","1") = "8"
    & skf18("2","6","4","4","9","9","1") = "8"
    & skf18("2","6","4","4","9","10","1") = "9"
    & skf18("2","6","4","4","10","1","1") = "9"
    & skf18("2","6","4","4","10","2","1") = "9"
    & skf18("2","6","4","4","10","3","1") = "9"
    & skf18("2","6","4","4","10","4","1") = "9"
    & skf18("2","6","4","4","10","5","1") = "9"
    & skf18("2","6","4","4","10","6","1") = "9"
    & skf18("2","6","4","4","10","7","1") = "9"
    & skf18("2","6","4","4","10","8","1") = "9"
    & skf18("2","6","4","4","10","9","1") = "9"
    & skf18("2","6","4","4","10","10","1") = "9"
    & skf18("2","6","4","5","1","1","1") = "5"
    & skf18("2","6","4","5","1","2","1") = "5"
    & skf18("2","6","4","5","1","3","1") = "5"
    & skf18("2","6","4","5","1","4","1") = "5"
    & skf18("2","6","4","5","1","5","1") = "5"
    & skf18("2","6","4","5","1","6","1") = "5"
    & skf18("2","6","4","5","1","7","1") = "6"
    & skf18("2","6","4","5","1","8","1") = "7"
    & skf18("2","6","4","5","1","9","1") = "8"
    & skf18("2","6","4","5","1","10","1") = "9"
    & skf18("2","6","4","5","2","1","1") = "5"
    & skf18("2","6","4","5","2","2","1") = "5"
    & skf18("2","6","4","5","2","3","1") = "5"
    & skf18("2","6","4","5","2","4","1") = "5"
    & skf18("2","6","4","5","2","5","1") = "5"
    & skf18("2","6","4","5","2","6","1") = "5"
    & skf18("2","6","4","5","2","7","1") = "6"
    & skf18("2","6","4","5","2","8","1") = "7"
    & skf18("2","6","4","5","2","9","1") = "8"
    & skf18("2","6","4","5","2","10","1") = "9"
    & skf18("2","6","4","5","3","1","1") = "5"
    & skf18("2","6","4","5","3","2","1") = "5"
    & skf18("2","6","4","5","3","3","1") = "5"
    & skf18("2","6","4","5","3","4","1") = "5"
    & skf18("2","6","4","5","3","5","1") = "5"
    & skf18("2","6","4","5","3","6","1") = "5"
    & skf18("2","6","4","5","3","7","1") = "6"
    & skf18("2","6","4","5","3","8","1") = "7"
    & skf18("2","6","4","5","3","9","1") = "8"
    & skf18("2","6","4","5","3","10","1") = "9"
    & skf18("2","6","4","5","4","1","1") = "5"
    & skf18("2","6","4","5","4","2","1") = "5"
    & skf18("2","6","4","5","4","3","1") = "5"
    & skf18("2","6","4","5","4","4","1") = "5"
    & skf18("2","6","4","5","4","5","1") = "5"
    & skf18("2","6","4","5","4","6","1") = "5"
    & skf18("2","6","4","5","4","7","1") = "6"
    & skf18("2","6","4","5","4","8","1") = "7"
    & skf18("2","6","4","5","4","9","1") = "8"
    & skf18("2","6","4","5","4","10","1") = "9"
    & skf18("2","6","4","5","5","1","1") = "5"
    & skf18("2","6","4","5","5","2","1") = "5"
    & skf18("2","6","4","5","5","3","1") = "5"
    & skf18("2","6","4","5","5","4","1") = "5"
    & skf18("2","6","4","5","5","5","1") = "5"
    & skf18("2","6","4","5","5","6","1") = "5"
    & skf18("2","6","4","5","5","7","1") = "6"
    & skf18("2","6","4","5","5","8","1") = "7"
    & skf18("2","6","4","5","5","9","1") = "8"
    & skf18("2","6","4","5","5","10","1") = "9"
    & skf18("2","6","4","5","6","1","1") = "5"
    & skf18("2","6","4","5","6","2","1") = "5"
    & skf18("2","6","4","5","6","3","1") = "5"
    & skf18("2","6","4","5","6","4","1") = "5"
    & skf18("2","6","4","5","6","5","1") = "5"
    & skf18("2","6","4","5","6","6","1") = "5"
    & skf18("2","6","4","5","6","7","1") = "6"
    & skf18("2","6","4","5","6","8","1") = "7"
    & skf18("2","6","4","5","6","9","1") = "8"
    & skf18("2","6","4","5","6","10","1") = "9"
    & skf18("2","6","4","5","7","1","1") = "6"
    & skf18("2","6","4","5","7","2","1") = "6"
    & skf18("2","6","4","5","7","3","1") = "6"
    & skf18("2","6","4","5","7","4","1") = "6"
    & skf18("2","6","4","5","7","5","1") = "6"
    & skf18("2","6","4","5","7","6","1") = "6"
    & skf18("2","6","4","5","7","7","1") = "6"
    & skf18("2","6","4","5","7","8","1") = "7"
    & skf18("2","6","4","5","7","9","1") = "8"
    & skf18("2","6","4","5","7","10","1") = "9"
    & skf18("2","6","4","5","8","1","1") = "7"
    & skf18("2","6","4","5","8","2","1") = "7"
    & skf18("2","6","4","5","8","3","1") = "7"
    & skf18("2","6","4","5","8","4","1") = "7"
    & skf18("2","6","4","5","8","5","1") = "7"
    & skf18("2","6","4","5","8","6","1") = "7"
    & skf18("2","6","4","5","8","7","1") = "7"
    & skf18("2","6","4","5","8","8","1") = "7"
    & skf18("2","6","4","5","8","9","1") = "8"
    & skf18("2","6","4","5","8","10","1") = "9"
    & skf18("2","6","4","5","9","1","1") = "8"
    & skf18("2","6","4","5","9","2","1") = "8"
    & skf18("2","6","4","5","9","3","1") = "8"
    & skf18("2","6","4","5","9","4","1") = "8"
    & skf18("2","6","4","5","9","5","1") = "8"
    & skf18("2","6","4","5","9","6","1") = "8"
    & skf18("2","6","4","5","9","7","1") = "8"
    & skf18("2","6","4","5","9","8","1") = "8"
    & skf18("2","6","4","5","9","9","1") = "8"
    & skf18("2","6","4","5","9","10","1") = "9"
    & skf18("2","6","4","5","10","1","1") = "9"
    & skf18("2","6","4","5","10","2","1") = "9"
    & skf18("2","6","4","5","10","3","1") = "9"
    & skf18("2","6","4","5","10","4","1") = "9"
    & skf18("2","6","4","5","10","5","1") = "9"
    & skf18("2","6","4","5","10","6","1") = "9"
    & skf18("2","6","4","5","10","7","1") = "9"
    & skf18("2","6","4","5","10","8","1") = "9"
    & skf18("2","6","4","5","10","9","1") = "9"
    & skf18("2","6","4","5","10","10","1") = "9"
    & skf18("2","6","4","6","1","1","1") = "5"
    & skf18("2","6","4","6","1","2","1") = "5"
    & skf18("2","6","4","6","1","3","1") = "5"
    & skf18("2","6","4","6","1","4","1") = "5"
    & skf18("2","6","4","6","1","5","1") = "5"
    & skf18("2","6","4","6","1","6","1") = "5"
    & skf18("2","6","4","6","1","7","1") = "6"
    & skf18("2","6","4","6","1","8","1") = "7"
    & skf18("2","6","4","6","1","9","1") = "8"
    & skf18("2","6","4","6","1","10","1") = "9"
    & skf18("2","6","4","6","2","1","1") = "5"
    & skf18("2","6","4","6","2","2","1") = "5"
    & skf18("2","6","4","6","2","3","1") = "5"
    & skf18("2","6","4","6","2","4","1") = "5"
    & skf18("2","6","4","6","2","5","1") = "5"
    & skf18("2","6","4","6","2","6","1") = "5"
    & skf18("2","6","4","6","2","7","1") = "6"
    & skf18("2","6","4","6","2","8","1") = "7"
    & skf18("2","6","4","6","2","9","1") = "8"
    & skf18("2","6","4","6","2","10","1") = "9"
    & skf18("2","6","4","6","3","1","1") = "5"
    & skf18("2","6","4","6","3","2","1") = "5"
    & skf18("2","6","4","6","3","3","1") = "5"
    & skf18("2","6","4","6","3","4","1") = "5"
    & skf18("2","6","4","6","3","5","1") = "5"
    & skf18("2","6","4","6","3","6","1") = "5"
    & skf18("2","6","4","6","3","7","1") = "6"
    & skf18("2","6","4","6","3","8","1") = "7"
    & skf18("2","6","4","6","3","9","1") = "8"
    & skf18("2","6","4","6","3","10","1") = "9"
    & skf18("2","6","4","6","4","1","1") = "5"
    & skf18("2","6","4","6","4","2","1") = "5"
    & skf18("2","6","4","6","4","3","1") = "5"
    & skf18("2","6","4","6","4","4","1") = "5"
    & skf18("2","6","4","6","4","5","1") = "5"
    & skf18("2","6","4","6","4","6","1") = "5"
    & skf18("2","6","4","6","4","7","1") = "6"
    & skf18("2","6","4","6","4","8","1") = "7"
    & skf18("2","6","4","6","4","9","1") = "8"
    & skf18("2","6","4","6","4","10","1") = "9"
    & skf18("2","6","4","6","5","1","1") = "5"
    & skf18("2","6","4","6","5","2","1") = "5"
    & skf18("2","6","4","6","5","3","1") = "5"
    & skf18("2","6","4","6","5","4","1") = "5"
    & skf18("2","6","4","6","5","5","1") = "5"
    & skf18("2","6","4","6","5","6","1") = "5"
    & skf18("2","6","4","6","5","7","1") = "6"
    & skf18("2","6","4","6","5","8","1") = "7"
    & skf18("2","6","4","6","5","9","1") = "8"
    & skf18("2","6","4","6","5","10","1") = "9"
    & skf18("2","6","4","6","6","1","1") = "5"
    & skf18("2","6","4","6","6","2","1") = "5"
    & skf18("2","6","4","6","6","3","1") = "5"
    & skf18("2","6","4","6","6","4","1") = "5"
    & skf18("2","6","4","6","6","5","1") = "5"
    & skf18("2","6","4","6","6","6","1") = "5"
    & skf18("2","6","4","6","6","7","1") = "6"
    & skf18("2","6","4","6","6","8","1") = "7"
    & skf18("2","6","4","6","6","9","1") = "8"
    & skf18("2","6","4","6","6","10","1") = "9"
    & skf18("2","6","4","6","7","1","1") = "6"
    & skf18("2","6","4","6","7","2","1") = "6"
    & skf18("2","6","4","6","7","3","1") = "6"
    & skf18("2","6","4","6","7","4","1") = "6"
    & skf18("2","6","4","6","7","5","1") = "6"
    & skf18("2","6","4","6","7","6","1") = "6"
    & skf18("2","6","4","6","7","7","1") = "6"
    & skf18("2","6","4","6","7","8","1") = "7"
    & skf18("2","6","4","6","7","9","1") = "8"
    & skf18("2","6","4","6","7","10","1") = "9"
    & skf18("2","6","4","6","8","1","1") = "7"
    & skf18("2","6","4","6","8","2","1") = "7"
    & skf18("2","6","4","6","8","3","1") = "7"
    & skf18("2","6","4","6","8","4","1") = "7"
    & skf18("2","6","4","6","8","5","1") = "7"
    & skf18("2","6","4","6","8","6","1") = "7"
    & skf18("2","6","4","6","8","7","1") = "7"
    & skf18("2","6","4","6","8","8","1") = "7"
    & skf18("2","6","4","6","8","9","1") = "8"
    & skf18("2","6","4","6","8","10","1") = "9"
    & skf18("2","6","4","6","9","1","1") = "8"
    & skf18("2","6","4","6","9","2","1") = "8"
    & skf18("2","6","4","6","9","3","1") = "8"
    & skf18("2","6","4","6","9","4","1") = "8"
    & skf18("2","6","4","6","9","5","1") = "8"
    & skf18("2","6","4","6","9","6","1") = "8"
    & skf18("2","6","4","6","9","7","1") = "8"
    & skf18("2","6","4","6","9","8","1") = "8"
    & skf18("2","6","4","6","9","9","1") = "8"
    & skf18("2","6","4","6","9","10","1") = "9"
    & skf18("2","6","4","6","10","1","1") = "9"
    & skf18("2","6","4","6","10","2","1") = "9"
    & skf18("2","6","4","6","10","3","1") = "9"
    & skf18("2","6","4","6","10","4","1") = "9"
    & skf18("2","6","4","6","10","5","1") = "9"
    & skf18("2","6","4","6","10","6","1") = "9"
    & skf18("2","6","4","6","10","7","1") = "9"
    & skf18("2","6","4","6","10","8","1") = "9"
    & skf18("2","6","4","6","10","9","1") = "9"
    & skf18("2","6","4","6","10","10","1") = "9"
    & skf18("2","6","4","7","1","1","1") = "6"
    & skf18("2","6","4","7","1","2","1") = "6"
    & skf18("2","6","4","7","1","3","1") = "6"
    & skf18("2","6","4","7","1","4","1") = "6"
    & skf18("2","6","4","7","1","5","1") = "6"
    & skf18("2","6","4","7","1","6","1") = "6"
    & skf18("2","6","4","7","1","7","1") = "6"
    & skf18("2","6","4","7","1","8","1") = "7"
    & skf18("2","6","4","7","1","9","1") = "8"
    & skf18("2","6","4","7","1","10","1") = "9"
    & skf18("2","6","4","7","2","1","1") = "6"
    & skf18("2","6","4","7","2","2","1") = "6"
    & skf18("2","6","4","7","2","3","1") = "6"
    & skf18("2","6","4","7","2","4","1") = "6"
    & skf18("2","6","4","7","2","5","1") = "6"
    & skf18("2","6","4","7","2","6","1") = "6"
    & skf18("2","6","4","7","2","7","1") = "6"
    & skf18("2","6","4","7","2","8","1") = "7"
    & skf18("2","6","4","7","2","9","1") = "8"
    & skf18("2","6","4","7","2","10","1") = "9"
    & skf18("2","6","4","7","3","1","1") = "6"
    & skf18("2","6","4","7","3","2","1") = "6"
    & skf18("2","6","4","7","3","3","1") = "6"
    & skf18("2","6","4","7","3","4","1") = "6"
    & skf18("2","6","4","7","3","5","1") = "6"
    & skf18("2","6","4","7","3","6","1") = "6"
    & skf18("2","6","4","7","3","7","1") = "6"
    & skf18("2","6","4","7","3","8","1") = "7"
    & skf18("2","6","4","7","3","9","1") = "8"
    & skf18("2","6","4","7","3","10","1") = "9"
    & skf18("2","6","4","7","4","1","1") = "6"
    & skf18("2","6","4","7","4","2","1") = "6"
    & skf18("2","6","4","7","4","3","1") = "6"
    & skf18("2","6","4","7","4","4","1") = "6"
    & skf18("2","6","4","7","4","5","1") = "6"
    & skf18("2","6","4","7","4","6","1") = "6"
    & skf18("2","6","4","7","4","7","1") = "6"
    & skf18("2","6","4","7","4","8","1") = "7"
    & skf18("2","6","4","7","4","9","1") = "8"
    & skf18("2","6","4","7","4","10","1") = "9"
    & skf18("2","6","4","7","5","1","1") = "6"
    & skf18("2","6","4","7","5","2","1") = "6"
    & skf18("2","6","4","7","5","3","1") = "6"
    & skf18("2","6","4","7","5","4","1") = "6"
    & skf18("2","6","4","7","5","5","1") = "6"
    & skf18("2","6","4","7","5","6","1") = "6"
    & skf18("2","6","4","7","5","7","1") = "6"
    & skf18("2","6","4","7","5","8","1") = "7"
    & skf18("2","6","4","7","5","9","1") = "8"
    & skf18("2","6","4","7","5","10","1") = "9"
    & skf18("2","6","4","7","6","1","1") = "6"
    & skf18("2","6","4","7","6","2","1") = "6"
    & skf18("2","6","4","7","6","3","1") = "6"
    & skf18("2","6","4","7","6","4","1") = "6"
    & skf18("2","6","4","7","6","5","1") = "6"
    & skf18("2","6","4","7","6","6","1") = "6"
    & skf18("2","6","4","7","6","7","1") = "6"
    & skf18("2","6","4","7","6","8","1") = "7"
    & skf18("2","6","4","7","6","9","1") = "8"
    & skf18("2","6","4","7","6","10","1") = "9"
    & skf18("2","6","4","7","7","1","1") = "6"
    & skf18("2","6","4","7","7","2","1") = "6"
    & skf18("2","6","4","7","7","3","1") = "6"
    & skf18("2","6","4","7","7","4","1") = "6"
    & skf18("2","6","4","7","7","5","1") = "6"
    & skf18("2","6","4","7","7","6","1") = "6"
    & skf18("2","6","4","7","7","7","1") = "6"
    & skf18("2","6","4","7","7","8","1") = "7"
    & skf18("2","6","4","7","7","9","1") = "8"
    & skf18("2","6","4","7","7","10","1") = "9"
    & skf18("2","6","4","7","8","1","1") = "7"
    & skf18("2","6","4","7","8","2","1") = "7"
    & skf18("2","6","4","7","8","3","1") = "7"
    & skf18("2","6","4","7","8","4","1") = "7"
    & skf18("2","6","4","7","8","5","1") = "7"
    & skf18("2","6","4","7","8","6","1") = "7"
    & skf18("2","6","4","7","8","7","1") = "7"
    & skf18("2","6","4","7","8","8","1") = "7"
    & skf18("2","6","4","7","8","9","1") = "8"
    & skf18("2","6","4","7","8","10","1") = "9"
    & skf18("2","6","4","7","9","1","1") = "8"
    & skf18("2","6","4","7","9","2","1") = "8"
    & skf18("2","6","4","7","9","3","1") = "8"
    & skf18("2","6","4","7","9","4","1") = "8"
    & skf18("2","6","4","7","9","5","1") = "8"
    & skf18("2","6","4","7","9","6","1") = "8"
    & skf18("2","6","4","7","9","7","1") = "8"
    & skf18("2","6","4","7","9","8","1") = "8"
    & skf18("2","6","4","7","9","9","1") = "8"
    & skf18("2","6","4","7","9","10","1") = "9"
    & skf18("2","6","4","7","10","1","1") = "9"
    & skf18("2","6","4","7","10","2","1") = "9"
    & skf18("2","6","4","7","10","3","1") = "9"
    & skf18("2","6","4","7","10","4","1") = "9"
    & skf18("2","6","4","7","10","5","1") = "9"
    & skf18("2","6","4","7","10","6","1") = "9"
    & skf18("2","6","4","7","10","7","1") = "9"
    & skf18("2","6","4","7","10","8","1") = "9"
    & skf18("2","6","4","7","10","9","1") = "9"
    & skf18("2","6","4","7","10","10","1") = "9"
    & skf18("2","6","4","8","1","1","1") = "7"
    & skf18("2","6","4","8","1","2","1") = "7"
    & skf18("2","6","4","8","1","3","1") = "7"
    & skf18("2","6","4","8","1","4","1") = "7"
    & skf18("2","6","4","8","1","5","1") = "7"
    & skf18("2","6","4","8","1","6","1") = "7"
    & skf18("2","6","4","8","1","7","1") = "7"
    & skf18("2","6","4","8","1","8","1") = "7"
    & skf18("2","6","4","8","1","9","1") = "8"
    & skf18("2","6","4","8","1","10","1") = "9"
    & skf18("2","6","4","8","2","1","1") = "7"
    & skf18("2","6","4","8","2","2","1") = "7"
    & skf18("2","6","4","8","2","3","1") = "7"
    & skf18("2","6","4","8","2","4","1") = "7"
    & skf18("2","6","4","8","2","5","1") = "7"
    & skf18("2","6","4","8","2","6","1") = "7"
    & skf18("2","6","4","8","2","7","1") = "7"
    & skf18("2","6","4","8","2","8","1") = "7"
    & skf18("2","6","4","8","2","9","1") = "8"
    & skf18("2","6","4","8","2","10","1") = "9"
    & skf18("2","6","4","8","3","1","1") = "7"
    & skf18("2","6","4","8","3","2","1") = "7"
    & skf18("2","6","4","8","3","3","1") = "7"
    & skf18("2","6","4","8","3","4","1") = "7"
    & skf18("2","6","4","8","3","5","1") = "7"
    & skf18("2","6","4","8","3","6","1") = "7"
    & skf18("2","6","4","8","3","7","1") = "7"
    & skf18("2","6","4","8","3","8","1") = "7"
    & skf18("2","6","4","8","3","9","1") = "8"
    & skf18("2","6","4","8","3","10","1") = "9"
    & skf18("2","6","4","8","4","1","1") = "7"
    & skf18("2","6","4","8","4","2","1") = "7"
    & skf18("2","6","4","8","4","3","1") = "7"
    & skf18("2","6","4","8","4","4","1") = "7"
    & skf18("2","6","4","8","4","5","1") = "7"
    & skf18("2","6","4","8","4","6","1") = "7"
    & skf18("2","6","4","8","4","7","1") = "7"
    & skf18("2","6","4","8","4","8","1") = "7"
    & skf18("2","6","4","8","4","9","1") = "8"
    & skf18("2","6","4","8","4","10","1") = "9"
    & skf18("2","6","4","8","5","1","1") = "7"
    & skf18("2","6","4","8","5","2","1") = "7"
    & skf18("2","6","4","8","5","3","1") = "7"
    & skf18("2","6","4","8","5","4","1") = "7"
    & skf18("2","6","4","8","5","5","1") = "7"
    & skf18("2","6","4","8","5","6","1") = "7"
    & skf18("2","6","4","8","5","7","1") = "7"
    & skf18("2","6","4","8","5","8","1") = "7"
    & skf18("2","6","4","8","5","9","1") = "8"
    & skf18("2","6","4","8","5","10","1") = "9"
    & skf18("2","6","4","8","6","1","1") = "7"
    & skf18("2","6","4","8","6","2","1") = "7"
    & skf18("2","6","4","8","6","3","1") = "7"
    & skf18("2","6","4","8","6","4","1") = "7"
    & skf18("2","6","4","8","6","5","1") = "7"
    & skf18("2","6","4","8","6","6","1") = "7"
    & skf18("2","6","4","8","6","7","1") = "7"
    & skf18("2","6","4","8","6","8","1") = "7"
    & skf18("2","6","4","8","6","9","1") = "8"
    & skf18("2","6","4","8","6","10","1") = "9"
    & skf18("2","6","4","8","7","1","1") = "7"
    & skf18("2","6","4","8","7","2","1") = "7"
    & skf18("2","6","4","8","7","3","1") = "7"
    & skf18("2","6","4","8","7","4","1") = "7"
    & skf18("2","6","4","8","7","5","1") = "7"
    & skf18("2","6","4","8","7","6","1") = "7"
    & skf18("2","6","4","8","7","7","1") = "7"
    & skf18("2","6","4","8","7","8","1") = "7"
    & skf18("2","6","4","8","7","9","1") = "8"
    & skf18("2","6","4","8","7","10","1") = "9"
    & skf18("2","6","4","8","8","1","1") = "7"
    & skf18("2","6","4","8","8","2","1") = "7"
    & skf18("2","6","4","8","8","3","1") = "7"
    & skf18("2","6","4","8","8","4","1") = "7"
    & skf18("2","6","4","8","8","5","1") = "7"
    & skf18("2","6","4","8","8","6","1") = "7"
    & skf18("2","6","4","8","8","7","1") = "7"
    & skf18("2","6","4","8","8","8","1") = "7"
    & skf18("2","6","4","8","8","9","1") = "8"
    & skf18("2","6","4","8","8","10","1") = "9"
    & skf18("2","6","4","8","9","1","1") = "8"
    & skf18("2","6","4","8","9","2","1") = "8"
    & skf18("2","6","4","8","9","3","1") = "8"
    & skf18("2","6","4","8","9","4","1") = "8"
    & skf18("2","6","4","8","9","5","1") = "8"
    & skf18("2","6","4","8","9","6","1") = "8"
    & skf18("2","6","4","8","9","7","1") = "8"
    & skf18("2","6","4","8","9","8","1") = "8"
    & skf18("2","6","4","8","9","9","1") = "8"
    & skf18("2","6","4","8","9","10","1") = "9"
    & skf18("2","6","4","8","10","1","1") = "9"
    & skf18("2","6","4","8","10","2","1") = "9"
    & skf18("2","6","4","8","10","3","1") = "9"
    & skf18("2","6","4","8","10","4","1") = "9"
    & skf18("2","6","4","8","10","5","1") = "9"
    & skf18("2","6","4","8","10","6","1") = "9"
    & skf18("2","6","4","8","10","7","1") = "9"
    & skf18("2","6","4","8","10","8","1") = "9"
    & skf18("2","6","4","8","10","9","1") = "9"
    & skf18("2","6","4","8","10","10","1") = "9"
    & skf18("2","6","4","9","1","1","1") = "8"
    & skf18("2","6","4","9","1","2","1") = "8"
    & skf18("2","6","4","9","1","3","1") = "8"
    & skf18("2","6","4","9","1","4","1") = "8"
    & skf18("2","6","4","9","1","5","1") = "8"
    & skf18("2","6","4","9","1","6","1") = "8"
    & skf18("2","6","4","9","1","7","1") = "8"
    & skf18("2","6","4","9","1","8","1") = "8"
    & skf18("2","6","4","9","1","9","1") = "8"
    & skf18("2","6","4","9","1","10","1") = "9"
    & skf18("2","6","4","9","2","1","1") = "8"
    & skf18("2","6","4","9","2","2","1") = "8"
    & skf18("2","6","4","9","2","3","1") = "8"
    & skf18("2","6","4","9","2","4","1") = "8"
    & skf18("2","6","4","9","2","5","1") = "8"
    & skf18("2","6","4","9","2","6","1") = "8"
    & skf18("2","6","4","9","2","7","1") = "8"
    & skf18("2","6","4","9","2","8","1") = "8"
    & skf18("2","6","4","9","2","9","1") = "8"
    & skf18("2","6","4","9","2","10","1") = "9"
    & skf18("2","6","4","9","3","1","1") = "8"
    & skf18("2","6","4","9","3","2","1") = "8"
    & skf18("2","6","4","9","3","3","1") = "8"
    & skf18("2","6","4","9","3","4","1") = "8"
    & skf18("2","6","4","9","3","5","1") = "8"
    & skf18("2","6","4","9","3","6","1") = "8"
    & skf18("2","6","4","9","3","7","1") = "8"
    & skf18("2","6","4","9","3","8","1") = "8"
    & skf18("2","6","4","9","3","9","1") = "8"
    & skf18("2","6","4","9","3","10","1") = "9"
    & skf18("2","6","4","9","4","1","1") = "8"
    & skf18("2","6","4","9","4","2","1") = "8"
    & skf18("2","6","4","9","4","3","1") = "8"
    & skf18("2","6","4","9","4","4","1") = "8"
    & skf18("2","6","4","9","4","5","1") = "8"
    & skf18("2","6","4","9","4","6","1") = "8"
    & skf18("2","6","4","9","4","7","1") = "8"
    & skf18("2","6","4","9","4","8","1") = "8"
    & skf18("2","6","4","9","4","9","1") = "8"
    & skf18("2","6","4","9","4","10","1") = "9"
    & skf18("2","6","4","9","5","1","1") = "8"
    & skf18("2","6","4","9","5","2","1") = "8"
    & skf18("2","6","4","9","5","3","1") = "8"
    & skf18("2","6","4","9","5","4","1") = "8"
    & skf18("2","6","4","9","5","5","1") = "8"
    & skf18("2","6","4","9","5","6","1") = "8"
    & skf18("2","6","4","9","5","7","1") = "8"
    & skf18("2","6","4","9","5","8","1") = "8"
    & skf18("2","6","4","9","5","9","1") = "8"
    & skf18("2","6","4","9","5","10","1") = "9"
    & skf18("2","6","4","9","6","1","1") = "8"
    & skf18("2","6","4","9","6","2","1") = "8"
    & skf18("2","6","4","9","6","3","1") = "8"
    & skf18("2","6","4","9","6","4","1") = "8"
    & skf18("2","6","4","9","6","5","1") = "8"
    & skf18("2","6","4","9","6","6","1") = "8"
    & skf18("2","6","4","9","6","7","1") = "8"
    & skf18("2","6","4","9","6","8","1") = "8"
    & skf18("2","6","4","9","6","9","1") = "8"
    & skf18("2","6","4","9","6","10","1") = "9"
    & skf18("2","6","4","9","7","1","1") = "8"
    & skf18("2","6","4","9","7","2","1") = "8"
    & skf18("2","6","4","9","7","3","1") = "8"
    & skf18("2","6","4","9","7","4","1") = "8"
    & skf18("2","6","4","9","7","5","1") = "8"
    & skf18("2","6","4","9","7","6","1") = "8"
    & skf18("2","6","4","9","7","7","1") = "8"
    & skf18("2","6","4","9","7","8","1") = "8"
    & skf18("2","6","4","9","7","9","1") = "8"
    & skf18("2","6","4","9","7","10","1") = "9"
    & skf18("2","6","4","9","8","1","1") = "8"
    & skf18("2","6","4","9","8","2","1") = "8"
    & skf18("2","6","4","9","8","3","1") = "8"
    & skf18("2","6","4","9","8","4","1") = "8"
    & skf18("2","6","4","9","8","5","1") = "8"
    & skf18("2","6","4","9","8","6","1") = "8"
    & skf18("2","6","4","9","8","7","1") = "8"
    & skf18("2","6","4","9","8","8","1") = "8"
    & skf18("2","6","4","9","8","9","1") = "8"
    & skf18("2","6","4","9","8","10","1") = "9"
    & skf18("2","6","4","9","9","1","1") = "8"
    & skf18("2","6","4","9","9","2","1") = "8"
    & skf18("2","6","4","9","9","3","1") = "8"
    & skf18("2","6","4","9","9","4","1") = "8"
    & skf18("2","6","4","9","9","5","1") = "8"
    & skf18("2","6","4","9","9","6","1") = "8"
    & skf18("2","6","4","9","9","7","1") = "8"
    & skf18("2","6","4","9","9","8","1") = "8"
    & skf18("2","6","4","9","9","9","1") = "8"
    & skf18("2","6","4","9","9","10","1") = "9"
    & skf18("2","6","4","9","10","1","1") = "9"
    & skf18("2","6","4","9","10","2","1") = "9"
    & skf18("2","6","4","9","10","3","1") = "9"
    & skf18("2","6","4","9","10","4","1") = "9"
    & skf18("2","6","4","9","10","5","1") = "9"
    & skf18("2","6","4","9","10","6","1") = "9"
    & skf18("2","6","4","9","10","7","1") = "9"
    & skf18("2","6","4","9","10","8","1") = "9"
    & skf18("2","6","4","9","10","9","1") = "9"
    & skf18("2","6","4","9","10","10","1") = "9"
    & skf18("2","6","4","10","1","1","1") = "9"
    & skf18("2","6","4","10","1","2","1") = "9"
    & skf18("2","6","4","10","1","3","1") = "9"
    & skf18("2","6","4","10","1","4","1") = "9"
    & skf18("2","6","4","10","1","5","1") = "9"
    & skf18("2","6","4","10","1","6","1") = "9"
    & skf18("2","6","4","10","1","7","1") = "9"
    & skf18("2","6","4","10","1","8","1") = "9"
    & skf18("2","6","4","10","1","9","1") = "9"
    & skf18("2","6","4","10","1","10","1") = "9"
    & skf18("2","6","4","10","2","1","1") = "9"
    & skf18("2","6","4","10","2","2","1") = "9"
    & skf18("2","6","4","10","2","3","1") = "9"
    & skf18("2","6","4","10","2","4","1") = "9"
    & skf18("2","6","4","10","2","5","1") = "9"
    & skf18("2","6","4","10","2","6","1") = "9"
    & skf18("2","6","4","10","2","7","1") = "9"
    & skf18("2","6","4","10","2","8","1") = "9"
    & skf18("2","6","4","10","2","9","1") = "9"
    & skf18("2","6","4","10","2","10","1") = "9"
    & skf18("2","6","4","10","3","1","1") = "9"
    & skf18("2","6","4","10","3","2","1") = "9"
    & skf18("2","6","4","10","3","3","1") = "9"
    & skf18("2","6","4","10","3","4","1") = "9"
    & skf18("2","6","4","10","3","5","1") = "9"
    & skf18("2","6","4","10","3","6","1") = "9"
    & skf18("2","6","4","10","3","7","1") = "9"
    & skf18("2","6","4","10","3","8","1") = "9"
    & skf18("2","6","4","10","3","9","1") = "9"
    & skf18("2","6","4","10","3","10","1") = "9"
    & skf18("2","6","4","10","4","1","1") = "9"
    & skf18("2","6","4","10","4","2","1") = "9"
    & skf18("2","6","4","10","4","3","1") = "9"
    & skf18("2","6","4","10","4","4","1") = "9"
    & skf18("2","6","4","10","4","5","1") = "9"
    & skf18("2","6","4","10","4","6","1") = "9"
    & skf18("2","6","4","10","4","7","1") = "9"
    & skf18("2","6","4","10","4","8","1") = "9"
    & skf18("2","6","4","10","4","9","1") = "9"
    & skf18("2","6","4","10","4","10","1") = "9"
    & skf18("2","6","4","10","5","1","1") = "9"
    & skf18("2","6","4","10","5","2","1") = "9"
    & skf18("2","6","4","10","5","3","1") = "9"
    & skf18("2","6","4","10","5","4","1") = "9"
    & skf18("2","6","4","10","5","5","1") = "9"
    & skf18("2","6","4","10","5","6","1") = "9"
    & skf18("2","6","4","10","5","7","1") = "9"
    & skf18("2","6","4","10","5","8","1") = "9"
    & skf18("2","6","4","10","5","9","1") = "9"
    & skf18("2","6","4","10","5","10","1") = "9"
    & skf18("2","6","4","10","6","1","1") = "9"
    & skf18("2","6","4","10","6","2","1") = "9"
    & skf18("2","6","4","10","6","3","1") = "9"
    & skf18("2","6","4","10","6","4","1") = "9"
    & skf18("2","6","4","10","6","5","1") = "9"
    & skf18("2","6","4","10","6","6","1") = "9"
    & skf18("2","6","4","10","6","7","1") = "9"
    & skf18("2","6","4","10","6","8","1") = "9"
    & skf18("2","6","4","10","6","9","1") = "9"
    & skf18("2","6","4","10","6","10","1") = "9"
    & skf18("2","6","4","10","7","1","1") = "9"
    & skf18("2","6","4","10","7","2","1") = "9"
    & skf18("2","6","4","10","7","3","1") = "9"
    & skf18("2","6","4","10","7","4","1") = "9"
    & skf18("2","6","4","10","7","5","1") = "9"
    & skf18("2","6","4","10","7","6","1") = "9"
    & skf18("2","6","4","10","7","7","1") = "9"
    & skf18("2","6","4","10","7","8","1") = "9"
    & skf18("2","6","4","10","7","9","1") = "9"
    & skf18("2","6","4","10","7","10","1") = "9"
    & skf18("2","6","4","10","8","1","1") = "9"
    & skf18("2","6","4","10","8","2","1") = "9"
    & skf18("2","6","4","10","8","3","1") = "9"
    & skf18("2","6","4","10","8","4","1") = "9"
    & skf18("2","6","4","10","8","5","1") = "9"
    & skf18("2","6","4","10","8","6","1") = "9"
    & skf18("2","6","4","10","8","7","1") = "9"
    & skf18("2","6","4","10","8","8","1") = "9"
    & skf18("2","6","4","10","8","9","1") = "9"
    & skf18("2","6","4","10","8","10","1") = "9"
    & skf18("2","6","4","10","9","1","1") = "9"
    & skf18("2","6","4","10","9","2","1") = "9"
    & skf18("2","6","4","10","9","3","1") = "9"
    & skf18("2","6","4","10","9","4","1") = "9"
    & skf18("2","6","4","10","9","5","1") = "9"
    & skf18("2","6","4","10","9","6","1") = "9"
    & skf18("2","6","4","10","9","7","1") = "9"
    & skf18("2","6","4","10","9","8","1") = "9"
    & skf18("2","6","4","10","9","9","1") = "9"
    & skf18("2","6","4","10","9","10","1") = "9"
    & skf18("2","6","4","10","10","1","1") = "9"
    & skf18("2","6","4","10","10","2","1") = "9"
    & skf18("2","6","4","10","10","3","1") = "9"
    & skf18("2","6","4","10","10","4","1") = "9"
    & skf18("2","6","4","10","10","5","1") = "9"
    & skf18("2","6","4","10","10","6","1") = "9"
    & skf18("2","6","4","10","10","7","1") = "9"
    & skf18("2","6","4","10","10","8","1") = "9"
    & skf18("2","6","4","10","10","9","1") = "9"
    & skf18("2","6","4","10","10","10","1") = "9"
    & skf18("2","6","5","1","1","1","1") = "5"
    & skf18("2","6","5","1","1","2","1") = "5"
    & skf18("2","6","5","1","1","3","1") = "5"
    & skf18("2","6","5","1","1","4","1") = "5"
    & skf18("2","6","5","1","1","5","1") = "5"
    & skf18("2","6","5","1","1","6","1") = "5"
    & skf18("2","6","5","1","1","7","1") = "6"
    & skf18("2","6","5","1","1","8","1") = "7"
    & skf18("2","6","5","1","1","9","1") = "8"
    & skf18("2","6","5","1","1","10","1") = "9"
    & skf18("2","6","5","1","2","1","1") = "5"
    & skf18("2","6","5","1","2","2","1") = "5"
    & skf18("2","6","5","1","2","3","1") = "5"
    & skf18("2","6","5","1","2","4","1") = "5"
    & skf18("2","6","5","1","2","5","1") = "5"
    & skf18("2","6","5","1","2","6","1") = "5"
    & skf18("2","6","5","1","2","7","1") = "6"
    & skf18("2","6","5","1","2","8","1") = "7"
    & skf18("2","6","5","1","2","9","1") = "8"
    & skf18("2","6","5","1","2","10","1") = "9"
    & skf18("2","6","5","1","3","1","1") = "5"
    & skf18("2","6","5","1","3","2","1") = "5"
    & skf18("2","6","5","1","3","3","1") = "5"
    & skf18("2","6","5","1","3","4","1") = "5"
    & skf18("2","6","5","1","3","5","1") = "5"
    & skf18("2","6","5","1","3","6","1") = "5"
    & skf18("2","6","5","1","3","7","1") = "6"
    & skf18("2","6","5","1","3","8","1") = "7"
    & skf18("2","6","5","1","3","9","1") = "8"
    & skf18("2","6","5","1","3","10","1") = "9"
    & skf18("2","6","5","1","4","1","1") = "5"
    & skf18("2","6","5","1","4","2","1") = "5"
    & skf18("2","6","5","1","4","3","1") = "5"
    & skf18("2","6","5","1","4","4","1") = "5"
    & skf18("2","6","5","1","4","5","1") = "5"
    & skf18("2","6","5","1","4","6","1") = "5"
    & skf18("2","6","5","1","4","7","1") = "6"
    & skf18("2","6","5","1","4","8","1") = "7"
    & skf18("2","6","5","1","4","9","1") = "8"
    & skf18("2","6","5","1","4","10","1") = "9"
    & skf18("2","6","5","1","5","1","1") = "5"
    & skf18("2","6","5","1","5","2","1") = "5"
    & skf18("2","6","5","1","5","3","1") = "5"
    & skf18("2","6","5","1","5","4","1") = "5"
    & skf18("2","6","5","1","5","5","1") = "5"
    & skf18("2","6","5","1","5","6","1") = "5"
    & skf18("2","6","5","1","5","7","1") = "6"
    & skf18("2","6","5","1","5","8","1") = "7"
    & skf18("2","6","5","1","5","9","1") = "8"
    & skf18("2","6","5","1","5","10","1") = "9"
    & skf18("2","6","5","1","6","1","1") = "5"
    & skf18("2","6","5","1","6","2","1") = "5"
    & skf18("2","6","5","1","6","3","1") = "5"
    & skf18("2","6","5","1","6","4","1") = "5"
    & skf18("2","6","5","1","6","5","1") = "5"
    & skf18("2","6","5","1","6","6","1") = "5"
    & skf18("2","6","5","1","6","7","1") = "6"
    & skf18("2","6","5","1","6","8","1") = "7"
    & skf18("2","6","5","1","6","9","1") = "8"
    & skf18("2","6","5","1","6","10","1") = "9"
    & skf18("2","6","5","1","7","1","1") = "6"
    & skf18("2","6","5","1","7","2","1") = "6"
    & skf18("2","6","5","1","7","3","1") = "6"
    & skf18("2","6","5","1","7","4","1") = "6"
    & skf18("2","6","5","1","7","5","1") = "6"
    & skf18("2","6","5","1","7","6","1") = "6"
    & skf18("2","6","5","1","7","7","1") = "6"
    & skf18("2","6","5","1","7","8","1") = "7"
    & skf18("2","6","5","1","7","9","1") = "8"
    & skf18("2","6","5","1","7","10","1") = "9"
    & skf18("2","6","5","1","8","1","1") = "7"
    & skf18("2","6","5","1","8","2","1") = "7"
    & skf18("2","6","5","1","8","3","1") = "7"
    & skf18("2","6","5","1","8","4","1") = "7"
    & skf18("2","6","5","1","8","5","1") = "7"
    & skf18("2","6","5","1","8","6","1") = "7"
    & skf18("2","6","5","1","8","7","1") = "7"
    & skf18("2","6","5","1","8","8","1") = "7"
    & skf18("2","6","5","1","8","9","1") = "8"
    & skf18("2","6","5","1","8","10","1") = "9"
    & skf18("2","6","5","1","9","1","1") = "8"
    & skf18("2","6","5","1","9","2","1") = "8"
    & skf18("2","6","5","1","9","3","1") = "8"
    & skf18("2","6","5","1","9","4","1") = "8"
    & skf18("2","6","5","1","9","5","1") = "8"
    & skf18("2","6","5","1","9","6","1") = "8"
    & skf18("2","6","5","1","9","7","1") = "8"
    & skf18("2","6","5","1","9","8","1") = "8"
    & skf18("2","6","5","1","9","9","1") = "8"
    & skf18("2","6","5","1","9","10","1") = "9"
    & skf18("2","6","5","1","10","1","1") = "9"
    & skf18("2","6","5","1","10","2","1") = "9"
    & skf18("2","6","5","1","10","3","1") = "9"
    & skf18("2","6","5","1","10","4","1") = "9"
    & skf18("2","6","5","1","10","5","1") = "9"
    & skf18("2","6","5","1","10","6","1") = "9"
    & skf18("2","6","5","1","10","7","1") = "9"
    & skf18("2","6","5","1","10","8","1") = "9"
    & skf18("2","6","5","1","10","9","1") = "9"
    & skf18("2","6","5","1","10","10","1") = "9"
    & skf18("2","6","5","2","1","1","1") = "5"
    & skf18("2","6","5","2","1","2","1") = "5"
    & skf18("2","6","5","2","1","3","1") = "5"
    & skf18("2","6","5","2","1","4","1") = "5"
    & skf18("2","6","5","2","1","5","1") = "5"
    & skf18("2","6","5","2","1","6","1") = "5"
    & skf18("2","6","5","2","1","7","1") = "6"
    & skf18("2","6","5","2","1","8","1") = "7"
    & skf18("2","6","5","2","1","9","1") = "8"
    & skf18("2","6","5","2","1","10","1") = "9"
    & skf18("2","6","5","2","2","1","1") = "5"
    & skf18("2","6","5","2","2","2","1") = "5"
    & skf18("2","6","5","2","2","3","1") = "5"
    & skf18("2","6","5","2","2","4","1") = "5"
    & skf18("2","6","5","2","2","5","1") = "5"
    & skf18("2","6","5","2","2","6","1") = "5"
    & skf18("2","6","5","2","2","7","1") = "6"
    & skf18("2","6","5","2","2","8","1") = "7"
    & skf18("2","6","5","2","2","9","1") = "8"
    & skf18("2","6","5","2","2","10","1") = "9"
    & skf18("2","6","5","2","3","1","1") = "5"
    & skf18("2","6","5","2","3","2","1") = "5"
    & skf18("2","6","5","2","3","3","1") = "5"
    & skf18("2","6","5","2","3","4","1") = "5"
    & skf18("2","6","5","2","3","5","1") = "5"
    & skf18("2","6","5","2","3","6","1") = "5"
    & skf18("2","6","5","2","3","7","1") = "6"
    & skf18("2","6","5","2","3","8","1") = "7"
    & skf18("2","6","5","2","3","9","1") = "8"
    & skf18("2","6","5","2","3","10","1") = "9"
    & skf18("2","6","5","2","4","1","1") = "5"
    & skf18("2","6","5","2","4","2","1") = "5"
    & skf18("2","6","5","2","4","3","1") = "5"
    & skf18("2","6","5","2","4","4","1") = "5"
    & skf18("2","6","5","2","4","5","1") = "5"
    & skf18("2","6","5","2","4","6","1") = "5"
    & skf18("2","6","5","2","4","7","1") = "6"
    & skf18("2","6","5","2","4","8","1") = "7"
    & skf18("2","6","5","2","4","9","1") = "8"
    & skf18("2","6","5","2","4","10","1") = "9"
    & skf18("2","6","5","2","5","1","1") = "5"
    & skf18("2","6","5","2","5","2","1") = "5"
    & skf18("2","6","5","2","5","3","1") = "5"
    & skf18("2","6","5","2","5","4","1") = "5"
    & skf18("2","6","5","2","5","5","1") = "5"
    & skf18("2","6","5","2","5","6","1") = "5"
    & skf18("2","6","5","2","5","7","1") = "6"
    & skf18("2","6","5","2","5","8","1") = "7"
    & skf18("2","6","5","2","5","9","1") = "8"
    & skf18("2","6","5","2","5","10","1") = "9"
    & skf18("2","6","5","2","6","1","1") = "5"
    & skf18("2","6","5","2","6","2","1") = "5"
    & skf18("2","6","5","2","6","3","1") = "5"
    & skf18("2","6","5","2","6","4","1") = "5"
    & skf18("2","6","5","2","6","5","1") = "5"
    & skf18("2","6","5","2","6","6","1") = "5"
    & skf18("2","6","5","2","6","7","1") = "6"
    & skf18("2","6","5","2","6","8","1") = "7"
    & skf18("2","6","5","2","6","9","1") = "8"
    & skf18("2","6","5","2","6","10","1") = "9"
    & skf18("2","6","5","2","7","1","1") = "6"
    & skf18("2","6","5","2","7","2","1") = "6"
    & skf18("2","6","5","2","7","3","1") = "6"
    & skf18("2","6","5","2","7","4","1") = "6"
    & skf18("2","6","5","2","7","5","1") = "6"
    & skf18("2","6","5","2","7","6","1") = "6"
    & skf18("2","6","5","2","7","7","1") = "6"
    & skf18("2","6","5","2","7","8","1") = "7"
    & skf18("2","6","5","2","7","9","1") = "8"
    & skf18("2","6","5","2","7","10","1") = "9"
    & skf18("2","6","5","2","8","1","1") = "7"
    & skf18("2","6","5","2","8","2","1") = "7"
    & skf18("2","6","5","2","8","3","1") = "7"
    & skf18("2","6","5","2","8","4","1") = "7"
    & skf18("2","6","5","2","8","5","1") = "7"
    & skf18("2","6","5","2","8","6","1") = "7"
    & skf18("2","6","5","2","8","7","1") = "7"
    & skf18("2","6","5","2","8","8","1") = "7"
    & skf18("2","6","5","2","8","9","1") = "8"
    & skf18("2","6","5","2","8","10","1") = "9"
    & skf18("2","6","5","2","9","1","1") = "8"
    & skf18("2","6","5","2","9","2","1") = "8"
    & skf18("2","6","5","2","9","3","1") = "8"
    & skf18("2","6","5","2","9","4","1") = "8"
    & skf18("2","6","5","2","9","5","1") = "8"
    & skf18("2","6","5","2","9","6","1") = "8"
    & skf18("2","6","5","2","9","7","1") = "8"
    & skf18("2","6","5","2","9","8","1") = "8"
    & skf18("2","6","5","2","9","9","1") = "8"
    & skf18("2","6","5","2","9","10","1") = "9"
    & skf18("2","6","5","2","10","1","1") = "9"
    & skf18("2","6","5","2","10","2","1") = "9"
    & skf18("2","6","5","2","10","3","1") = "9"
    & skf18("2","6","5","2","10","4","1") = "9"
    & skf18("2","6","5","2","10","5","1") = "9"
    & skf18("2","6","5","2","10","6","1") = "9"
    & skf18("2","6","5","2","10","7","1") = "9"
    & skf18("2","6","5","2","10","8","1") = "9"
    & skf18("2","6","5","2","10","9","1") = "9"
    & skf18("2","6","5","2","10","10","1") = "9"
    & skf18("2","6","5","3","1","1","1") = "5"
    & skf18("2","6","5","3","1","2","1") = "5"
    & skf18("2","6","5","3","1","3","1") = "5"
    & skf18("2","6","5","3","1","4","1") = "5"
    & skf18("2","6","5","3","1","5","1") = "5"
    & skf18("2","6","5","3","1","6","1") = "5"
    & skf18("2","6","5","3","1","7","1") = "6"
    & skf18("2","6","5","3","1","8","1") = "7"
    & skf18("2","6","5","3","1","9","1") = "8"
    & skf18("2","6","5","3","1","10","1") = "9"
    & skf18("2","6","5","3","2","1","1") = "5"
    & skf18("2","6","5","3","2","2","1") = "5"
    & skf18("2","6","5","3","2","3","1") = "5"
    & skf18("2","6","5","3","2","4","1") = "5"
    & skf18("2","6","5","3","2","5","1") = "5"
    & skf18("2","6","5","3","2","6","1") = "5"
    & skf18("2","6","5","3","2","7","1") = "6"
    & skf18("2","6","5","3","2","8","1") = "7"
    & skf18("2","6","5","3","2","9","1") = "8"
    & skf18("2","6","5","3","2","10","1") = "9"
    & skf18("2","6","5","3","3","1","1") = "5"
    & skf18("2","6","5","3","3","2","1") = "5"
    & skf18("2","6","5","3","3","3","1") = "5"
    & skf18("2","6","5","3","3","4","1") = "5"
    & skf18("2","6","5","3","3","5","1") = "5"
    & skf18("2","6","5","3","3","6","1") = "5"
    & skf18("2","6","5","3","3","7","1") = "6"
    & skf18("2","6","5","3","3","8","1") = "7"
    & skf18("2","6","5","3","3","9","1") = "8"
    & skf18("2","6","5","3","3","10","1") = "9"
    & skf18("2","6","5","3","4","1","1") = "5"
    & skf18("2","6","5","3","4","2","1") = "5"
    & skf18("2","6","5","3","4","3","1") = "5"
    & skf18("2","6","5","3","4","4","1") = "5"
    & skf18("2","6","5","3","4","5","1") = "5"
    & skf18("2","6","5","3","4","6","1") = "5"
    & skf18("2","6","5","3","4","7","1") = "6"
    & skf18("2","6","5","3","4","8","1") = "7"
    & skf18("2","6","5","3","4","9","1") = "8"
    & skf18("2","6","5","3","4","10","1") = "9"
    & skf18("2","6","5","3","5","1","1") = "5"
    & skf18("2","6","5","3","5","2","1") = "5"
    & skf18("2","6","5","3","5","3","1") = "5"
    & skf18("2","6","5","3","5","4","1") = "5"
    & skf18("2","6","5","3","5","5","1") = "5"
    & skf18("2","6","5","3","5","6","1") = "5"
    & skf18("2","6","5","3","5","7","1") = "6"
    & skf18("2","6","5","3","5","8","1") = "7"
    & skf18("2","6","5","3","5","9","1") = "8"
    & skf18("2","6","5","3","5","10","1") = "9"
    & skf18("2","6","5","3","6","1","1") = "5"
    & skf18("2","6","5","3","6","2","1") = "5"
    & skf18("2","6","5","3","6","3","1") = "5"
    & skf18("2","6","5","3","6","4","1") = "5"
    & skf18("2","6","5","3","6","5","1") = "5"
    & skf18("2","6","5","3","6","6","1") = "5"
    & skf18("2","6","5","3","6","7","1") = "6"
    & skf18("2","6","5","3","6","8","1") = "7"
    & skf18("2","6","5","3","6","9","1") = "8"
    & skf18("2","6","5","3","6","10","1") = "9"
    & skf18("2","6","5","3","7","1","1") = "6"
    & skf18("2","6","5","3","7","2","1") = "6"
    & skf18("2","6","5","3","7","3","1") = "6"
    & skf18("2","6","5","3","7","4","1") = "6"
    & skf18("2","6","5","3","7","5","1") = "6"
    & skf18("2","6","5","3","7","6","1") = "6"
    & skf18("2","6","5","3","7","7","1") = "6"
    & skf18("2","6","5","3","7","8","1") = "7"
    & skf18("2","6","5","3","7","9","1") = "8"
    & skf18("2","6","5","3","7","10","1") = "9"
    & skf18("2","6","5","3","8","1","1") = "7"
    & skf18("2","6","5","3","8","2","1") = "7"
    & skf18("2","6","5","3","8","3","1") = "7"
    & skf18("2","6","5","3","8","4","1") = "7"
    & skf18("2","6","5","3","8","5","1") = "7"
    & skf18("2","6","5","3","8","6","1") = "7"
    & skf18("2","6","5","3","8","7","1") = "7"
    & skf18("2","6","5","3","8","8","1") = "7"
    & skf18("2","6","5","3","8","9","1") = "8"
    & skf18("2","6","5","3","8","10","1") = "9"
    & skf18("2","6","5","3","9","1","1") = "8"
    & skf18("2","6","5","3","9","2","1") = "8"
    & skf18("2","6","5","3","9","3","1") = "8"
    & skf18("2","6","5","3","9","4","1") = "8"
    & skf18("2","6","5","3","9","5","1") = "8"
    & skf18("2","6","5","3","9","6","1") = "8"
    & skf18("2","6","5","3","9","7","1") = "8"
    & skf18("2","6","5","3","9","8","1") = "8"
    & skf18("2","6","5","3","9","9","1") = "8"
    & skf18("2","6","5","3","9","10","1") = "9"
    & skf18("2","6","5","3","10","1","1") = "9"
    & skf18("2","6","5","3","10","2","1") = "9"
    & skf18("2","6","5","3","10","3","1") = "9"
    & skf18("2","6","5","3","10","4","1") = "9"
    & skf18("2","6","5","3","10","5","1") = "9"
    & skf18("2","6","5","3","10","6","1") = "9"
    & skf18("2","6","5","3","10","7","1") = "9"
    & skf18("2","6","5","3","10","8","1") = "9"
    & skf18("2","6","5","3","10","9","1") = "9"
    & skf18("2","6","5","3","10","10","1") = "9"
    & skf18("2","6","5","4","1","1","1") = "5"
    & skf18("2","6","5","4","1","2","1") = "5"
    & skf18("2","6","5","4","1","3","1") = "5"
    & skf18("2","6","5","4","1","4","1") = "5"
    & skf18("2","6","5","4","1","5","1") = "5"
    & skf18("2","6","5","4","1","6","1") = "5"
    & skf18("2","6","5","4","1","7","1") = "6"
    & skf18("2","6","5","4","1","8","1") = "7"
    & skf18("2","6","5","4","1","9","1") = "8"
    & skf18("2","6","5","4","1","10","1") = "9"
    & skf18("2","6","5","4","2","1","1") = "5"
    & skf18("2","6","5","4","2","2","1") = "5"
    & skf18("2","6","5","4","2","3","1") = "5"
    & skf18("2","6","5","4","2","4","1") = "5"
    & skf18("2","6","5","4","2","5","1") = "5"
    & skf18("2","6","5","4","2","6","1") = "5"
    & skf18("2","6","5","4","2","7","1") = "6"
    & skf18("2","6","5","4","2","8","1") = "7"
    & skf18("2","6","5","4","2","9","1") = "8"
    & skf18("2","6","5","4","2","10","1") = "9"
    & skf18("2","6","5","4","3","1","1") = "5"
    & skf18("2","6","5","4","3","2","1") = "5"
    & skf18("2","6","5","4","3","3","1") = "5"
    & skf18("2","6","5","4","3","4","1") = "5"
    & skf18("2","6","5","4","3","5","1") = "5"
    & skf18("2","6","5","4","3","6","1") = "5"
    & skf18("2","6","5","4","3","7","1") = "6"
    & skf18("2","6","5","4","3","8","1") = "7"
    & skf18("2","6","5","4","3","9","1") = "8"
    & skf18("2","6","5","4","3","10","1") = "9"
    & skf18("2","6","5","4","4","1","1") = "5"
    & skf18("2","6","5","4","4","2","1") = "5"
    & skf18("2","6","5","4","4","3","1") = "5"
    & skf18("2","6","5","4","4","4","1") = "5"
    & skf18("2","6","5","4","4","5","1") = "5"
    & skf18("2","6","5","4","4","6","1") = "5"
    & skf18("2","6","5","4","4","7","1") = "6"
    & skf18("2","6","5","4","4","8","1") = "7"
    & skf18("2","6","5","4","4","9","1") = "8"
    & skf18("2","6","5","4","4","10","1") = "9"
    & skf18("2","6","5","4","5","1","1") = "5"
    & skf18("2","6","5","4","5","2","1") = "5"
    & skf18("2","6","5","4","5","3","1") = "5"
    & skf18("2","6","5","4","5","4","1") = "5"
    & skf18("2","6","5","4","5","5","1") = "5"
    & skf18("2","6","5","4","5","6","1") = "5"
    & skf18("2","6","5","4","5","7","1") = "6"
    & skf18("2","6","5","4","5","8","1") = "7"
    & skf18("2","6","5","4","5","9","1") = "8"
    & skf18("2","6","5","4","5","10","1") = "9"
    & skf18("2","6","5","4","6","1","1") = "5"
    & skf18("2","6","5","4","6","2","1") = "5"
    & skf18("2","6","5","4","6","3","1") = "5"
    & skf18("2","6","5","4","6","4","1") = "5"
    & skf18("2","6","5","4","6","5","1") = "5"
    & skf18("2","6","5","4","6","6","1") = "5"
    & skf18("2","6","5","4","6","7","1") = "6"
    & skf18("2","6","5","4","6","8","1") = "7"
    & skf18("2","6","5","4","6","9","1") = "8"
    & skf18("2","6","5","4","6","10","1") = "9"
    & skf18("2","6","5","4","7","1","1") = "6"
    & skf18("2","6","5","4","7","2","1") = "6"
    & skf18("2","6","5","4","7","3","1") = "6"
    & skf18("2","6","5","4","7","4","1") = "6"
    & skf18("2","6","5","4","7","5","1") = "6"
    & skf18("2","6","5","4","7","6","1") = "6"
    & skf18("2","6","5","4","7","7","1") = "6"
    & skf18("2","6","5","4","7","8","1") = "7"
    & skf18("2","6","5","4","7","9","1") = "8"
    & skf18("2","6","5","4","7","10","1") = "9"
    & skf18("2","6","5","4","8","1","1") = "7"
    & skf18("2","6","5","4","8","2","1") = "7"
    & skf18("2","6","5","4","8","3","1") = "7"
    & skf18("2","6","5","4","8","4","1") = "7"
    & skf18("2","6","5","4","8","5","1") = "7"
    & skf18("2","6","5","4","8","6","1") = "7"
    & skf18("2","6","5","4","8","7","1") = "7"
    & skf18("2","6","5","4","8","8","1") = "7"
    & skf18("2","6","5","4","8","9","1") = "8"
    & skf18("2","6","5","4","8","10","1") = "9"
    & skf18("2","6","5","4","9","1","1") = "8"
    & skf18("2","6","5","4","9","2","1") = "8"
    & skf18("2","6","5","4","9","3","1") = "8"
    & skf18("2","6","5","4","9","4","1") = "8"
    & skf18("2","6","5","4","9","5","1") = "8"
    & skf18("2","6","5","4","9","6","1") = "8"
    & skf18("2","6","5","4","9","7","1") = "8"
    & skf18("2","6","5","4","9","8","1") = "8"
    & skf18("2","6","5","4","9","9","1") = "8"
    & skf18("2","6","5","4","9","10","1") = "9"
    & skf18("2","6","5","4","10","1","1") = "9"
    & skf18("2","6","5","4","10","2","1") = "9"
    & skf18("2","6","5","4","10","3","1") = "9"
    & skf18("2","6","5","4","10","4","1") = "9"
    & skf18("2","6","5","4","10","5","1") = "9"
    & skf18("2","6","5","4","10","6","1") = "9"
    & skf18("2","6","5","4","10","7","1") = "9"
    & skf18("2","6","5","4","10","8","1") = "9"
    & skf18("2","6","5","4","10","9","1") = "9"
    & skf18("2","6","5","4","10","10","1") = "9"
    & skf18("2","6","5","5","1","1","1") = "5"
    & skf18("2","6","5","5","1","2","1") = "5"
    & skf18("2","6","5","5","1","3","1") = "5"
    & skf18("2","6","5","5","1","4","1") = "5"
    & skf18("2","6","5","5","1","5","1") = "5"
    & skf18("2","6","5","5","1","6","1") = "5"
    & skf18("2","6","5","5","1","7","1") = "6"
    & skf18("2","6","5","5","1","8","1") = "7"
    & skf18("2","6","5","5","1","9","1") = "8"
    & skf18("2","6","5","5","1","10","1") = "9"
    & skf18("2","6","5","5","2","1","1") = "5"
    & skf18("2","6","5","5","2","2","1") = "5"
    & skf18("2","6","5","5","2","3","1") = "5"
    & skf18("2","6","5","5","2","4","1") = "5"
    & skf18("2","6","5","5","2","5","1") = "5"
    & skf18("2","6","5","5","2","6","1") = "5"
    & skf18("2","6","5","5","2","7","1") = "6"
    & skf18("2","6","5","5","2","8","1") = "7"
    & skf18("2","6","5","5","2","9","1") = "8"
    & skf18("2","6","5","5","2","10","1") = "9"
    & skf18("2","6","5","5","3","1","1") = "5"
    & skf18("2","6","5","5","3","2","1") = "5"
    & skf18("2","6","5","5","3","3","1") = "5"
    & skf18("2","6","5","5","3","4","1") = "5"
    & skf18("2","6","5","5","3","5","1") = "5"
    & skf18("2","6","5","5","3","6","1") = "5"
    & skf18("2","6","5","5","3","7","1") = "6"
    & skf18("2","6","5","5","3","8","1") = "7"
    & skf18("2","6","5","5","3","9","1") = "8"
    & skf18("2","6","5","5","3","10","1") = "9"
    & skf18("2","6","5","5","4","1","1") = "5"
    & skf18("2","6","5","5","4","2","1") = "5"
    & skf18("2","6","5","5","4","3","1") = "5"
    & skf18("2","6","5","5","4","4","1") = "5"
    & skf18("2","6","5","5","4","5","1") = "5"
    & skf18("2","6","5","5","4","6","1") = "5"
    & skf18("2","6","5","5","4","7","1") = "6"
    & skf18("2","6","5","5","4","8","1") = "7"
    & skf18("2","6","5","5","4","9","1") = "8"
    & skf18("2","6","5","5","4","10","1") = "9"
    & skf18("2","6","5","5","5","1","1") = "5"
    & skf18("2","6","5","5","5","2","1") = "5"
    & skf18("2","6","5","5","5","3","1") = "5"
    & skf18("2","6","5","5","5","4","1") = "5"
    & skf18("2","6","5","5","5","5","1") = "5"
    & skf18("2","6","5","5","5","6","1") = "5"
    & skf18("2","6","5","5","5","7","1") = "6"
    & skf18("2","6","5","5","5","8","1") = "7"
    & skf18("2","6","5","5","5","9","1") = "8"
    & skf18("2","6","5","5","5","10","1") = "9"
    & skf18("2","6","5","5","6","1","1") = "5"
    & skf18("2","6","5","5","6","2","1") = "5"
    & skf18("2","6","5","5","6","3","1") = "5"
    & skf18("2","6","5","5","6","4","1") = "5"
    & skf18("2","6","5","5","6","5","1") = "5"
    & skf18("2","6","5","5","6","6","1") = "5"
    & skf18("2","6","5","5","6","7","1") = "6"
    & skf18("2","6","5","5","6","8","1") = "7"
    & skf18("2","6","5","5","6","9","1") = "8"
    & skf18("2","6","5","5","6","10","1") = "9"
    & skf18("2","6","5","5","7","1","1") = "6"
    & skf18("2","6","5","5","7","2","1") = "6"
    & skf18("2","6","5","5","7","3","1") = "6"
    & skf18("2","6","5","5","7","4","1") = "6"
    & skf18("2","6","5","5","7","5","1") = "6"
    & skf18("2","6","5","5","7","6","1") = "6"
    & skf18("2","6","5","5","7","7","1") = "6"
    & skf18("2","6","5","5","7","8","1") = "7"
    & skf18("2","6","5","5","7","9","1") = "8"
    & skf18("2","6","5","5","7","10","1") = "9"
    & skf18("2","6","5","5","8","1","1") = "7"
    & skf18("2","6","5","5","8","2","1") = "7"
    & skf18("2","6","5","5","8","3","1") = "7"
    & skf18("2","6","5","5","8","4","1") = "7"
    & skf18("2","6","5","5","8","5","1") = "7"
    & skf18("2","6","5","5","8","6","1") = "7"
    & skf18("2","6","5","5","8","7","1") = "7"
    & skf18("2","6","5","5","8","8","1") = "7"
    & skf18("2","6","5","5","8","9","1") = "8"
    & skf18("2","6","5","5","8","10","1") = "9"
    & skf18("2","6","5","5","9","1","1") = "8"
    & skf18("2","6","5","5","9","2","1") = "8"
    & skf18("2","6","5","5","9","3","1") = "8"
    & skf18("2","6","5","5","9","4","1") = "8"
    & skf18("2","6","5","5","9","5","1") = "8"
    & skf18("2","6","5","5","9","6","1") = "8"
    & skf18("2","6","5","5","9","7","1") = "8"
    & skf18("2","6","5","5","9","8","1") = "8"
    & skf18("2","6","5","5","9","9","1") = "8"
    & skf18("2","6","5","5","9","10","1") = "9"
    & skf18("2","6","5","5","10","1","1") = "9"
    & skf18("2","6","5","5","10","2","1") = "9"
    & skf18("2","6","5","5","10","3","1") = "9"
    & skf18("2","6","5","5","10","4","1") = "9"
    & skf18("2","6","5","5","10","5","1") = "9"
    & skf18("2","6","5","5","10","6","1") = "9"
    & skf18("2","6","5","5","10","7","1") = "9"
    & skf18("2","6","5","5","10","8","1") = "9"
    & skf18("2","6","5","5","10","9","1") = "9"
    & skf18("2","6","5","5","10","10","1") = "9"
    & skf18("2","6","5","6","1","1","1") = "5"
    & skf18("2","6","5","6","1","2","1") = "5"
    & skf18("2","6","5","6","1","3","1") = "5"
    & skf18("2","6","5","6","1","4","1") = "5"
    & skf18("2","6","5","6","1","5","1") = "5"
    & skf18("2","6","5","6","1","6","1") = "5"
    & skf18("2","6","5","6","1","7","1") = "6"
    & skf18("2","6","5","6","1","8","1") = "7"
    & skf18("2","6","5","6","1","9","1") = "8"
    & skf18("2","6","5","6","1","10","1") = "9"
    & skf18("2","6","5","6","2","1","1") = "5"
    & skf18("2","6","5","6","2","2","1") = "5"
    & skf18("2","6","5","6","2","3","1") = "5"
    & skf18("2","6","5","6","2","4","1") = "5"
    & skf18("2","6","5","6","2","5","1") = "5"
    & skf18("2","6","5","6","2","6","1") = "5"
    & skf18("2","6","5","6","2","7","1") = "6"
    & skf18("2","6","5","6","2","8","1") = "7"
    & skf18("2","6","5","6","2","9","1") = "8"
    & skf18("2","6","5","6","2","10","1") = "9"
    & skf18("2","6","5","6","3","1","1") = "5"
    & skf18("2","6","5","6","3","2","1") = "5"
    & skf18("2","6","5","6","3","3","1") = "5"
    & skf18("2","6","5","6","3","4","1") = "5"
    & skf18("2","6","5","6","3","5","1") = "5"
    & skf18("2","6","5","6","3","6","1") = "5"
    & skf18("2","6","5","6","3","7","1") = "6"
    & skf18("2","6","5","6","3","8","1") = "7"
    & skf18("2","6","5","6","3","9","1") = "8"
    & skf18("2","6","5","6","3","10","1") = "9"
    & skf18("2","6","5","6","4","1","1") = "5"
    & skf18("2","6","5","6","4","2","1") = "5"
    & skf18("2","6","5","6","4","3","1") = "5"
    & skf18("2","6","5","6","4","4","1") = "5"
    & skf18("2","6","5","6","4","5","1") = "5"
    & skf18("2","6","5","6","4","6","1") = "5"
    & skf18("2","6","5","6","4","7","1") = "6"
    & skf18("2","6","5","6","4","8","1") = "7"
    & skf18("2","6","5","6","4","9","1") = "8"
    & skf18("2","6","5","6","4","10","1") = "9"
    & skf18("2","6","5","6","5","1","1") = "5"
    & skf18("2","6","5","6","5","2","1") = "5"
    & skf18("2","6","5","6","5","3","1") = "5"
    & skf18("2","6","5","6","5","4","1") = "5"
    & skf18("2","6","5","6","5","5","1") = "5"
    & skf18("2","6","5","6","5","6","1") = "5"
    & skf18("2","6","5","6","5","7","1") = "6"
    & skf18("2","6","5","6","5","8","1") = "7"
    & skf18("2","6","5","6","5","9","1") = "8"
    & skf18("2","6","5","6","5","10","1") = "9"
    & skf18("2","6","5","6","6","1","1") = "5"
    & skf18("2","6","5","6","6","2","1") = "5"
    & skf18("2","6","5","6","6","3","1") = "5"
    & skf18("2","6","5","6","6","4","1") = "5"
    & skf18("2","6","5","6","6","5","1") = "5"
    & skf18("2","6","5","6","6","6","1") = "5"
    & skf18("2","6","5","6","6","7","1") = "6"
    & skf18("2","6","5","6","6","8","1") = "7"
    & skf18("2","6","5","6","6","9","1") = "8"
    & skf18("2","6","5","6","6","10","1") = "9"
    & skf18("2","6","5","6","7","1","1") = "6"
    & skf18("2","6","5","6","7","2","1") = "6"
    & skf18("2","6","5","6","7","3","1") = "6"
    & skf18("2","6","5","6","7","4","1") = "6"
    & skf18("2","6","5","6","7","5","1") = "6"
    & skf18("2","6","5","6","7","6","1") = "6"
    & skf18("2","6","5","6","7","7","1") = "6"
    & skf18("2","6","5","6","7","8","1") = "7"
    & skf18("2","6","5","6","7","9","1") = "8"
    & skf18("2","6","5","6","7","10","1") = "9"
    & skf18("2","6","5","6","8","1","1") = "7"
    & skf18("2","6","5","6","8","2","1") = "7"
    & skf18("2","6","5","6","8","3","1") = "7"
    & skf18("2","6","5","6","8","4","1") = "7"
    & skf18("2","6","5","6","8","5","1") = "7"
    & skf18("2","6","5","6","8","6","1") = "7"
    & skf18("2","6","5","6","8","7","1") = "7"
    & skf18("2","6","5","6","8","8","1") = "7"
    & skf18("2","6","5","6","8","9","1") = "8"
    & skf18("2","6","5","6","8","10","1") = "9"
    & skf18("2","6","5","6","9","1","1") = "8"
    & skf18("2","6","5","6","9","2","1") = "8"
    & skf18("2","6","5","6","9","3","1") = "8"
    & skf18("2","6","5","6","9","4","1") = "8"
    & skf18("2","6","5","6","9","5","1") = "8"
    & skf18("2","6","5","6","9","6","1") = "8"
    & skf18("2","6","5","6","9","7","1") = "8"
    & skf18("2","6","5","6","9","8","1") = "8"
    & skf18("2","6","5","6","9","9","1") = "8"
    & skf18("2","6","5","6","9","10","1") = "9"
    & skf18("2","6","5","6","10","1","1") = "9"
    & skf18("2","6","5","6","10","2","1") = "9"
    & skf18("2","6","5","6","10","3","1") = "9"
    & skf18("2","6","5","6","10","4","1") = "9"
    & skf18("2","6","5","6","10","5","1") = "9"
    & skf18("2","6","5","6","10","6","1") = "9"
    & skf18("2","6","5","6","10","7","1") = "9"
    & skf18("2","6","5","6","10","8","1") = "9"
    & skf18("2","6","5","6","10","9","1") = "9"
    & skf18("2","6","5","6","10","10","1") = "9"
    & skf18("2","6","5","7","1","1","1") = "6"
    & skf18("2","6","5","7","1","2","1") = "6"
    & skf18("2","6","5","7","1","3","1") = "6"
    & skf18("2","6","5","7","1","4","1") = "6"
    & skf18("2","6","5","7","1","5","1") = "6"
    & skf18("2","6","5","7","1","6","1") = "6"
    & skf18("2","6","5","7","1","7","1") = "6"
    & skf18("2","6","5","7","1","8","1") = "7"
    & skf18("2","6","5","7","1","9","1") = "8"
    & skf18("2","6","5","7","1","10","1") = "9"
    & skf18("2","6","5","7","2","1","1") = "6"
    & skf18("2","6","5","7","2","2","1") = "6"
    & skf18("2","6","5","7","2","3","1") = "6"
    & skf18("2","6","5","7","2","4","1") = "6"
    & skf18("2","6","5","7","2","5","1") = "6"
    & skf18("2","6","5","7","2","6","1") = "6"
    & skf18("2","6","5","7","2","7","1") = "6"
    & skf18("2","6","5","7","2","8","1") = "7"
    & skf18("2","6","5","7","2","9","1") = "8"
    & skf18("2","6","5","7","2","10","1") = "9"
    & skf18("2","6","5","7","3","1","1") = "6"
    & skf18("2","6","5","7","3","2","1") = "6"
    & skf18("2","6","5","7","3","3","1") = "6"
    & skf18("2","6","5","7","3","4","1") = "6"
    & skf18("2","6","5","7","3","5","1") = "6"
    & skf18("2","6","5","7","3","6","1") = "6"
    & skf18("2","6","5","7","3","7","1") = "6"
    & skf18("2","6","5","7","3","8","1") = "7"
    & skf18("2","6","5","7","3","9","1") = "8"
    & skf18("2","6","5","7","3","10","1") = "9"
    & skf18("2","6","5","7","4","1","1") = "6"
    & skf18("2","6","5","7","4","2","1") = "6"
    & skf18("2","6","5","7","4","3","1") = "6"
    & skf18("2","6","5","7","4","4","1") = "6"
    & skf18("2","6","5","7","4","5","1") = "6"
    & skf18("2","6","5","7","4","6","1") = "6"
    & skf18("2","6","5","7","4","7","1") = "6"
    & skf18("2","6","5","7","4","8","1") = "7"
    & skf18("2","6","5","7","4","9","1") = "8"
    & skf18("2","6","5","7","4","10","1") = "9"
    & skf18("2","6","5","7","5","1","1") = "6"
    & skf18("2","6","5","7","5","2","1") = "6"
    & skf18("2","6","5","7","5","3","1") = "6"
    & skf18("2","6","5","7","5","4","1") = "6"
    & skf18("2","6","5","7","5","5","1") = "6"
    & skf18("2","6","5","7","5","6","1") = "6"
    & skf18("2","6","5","7","5","7","1") = "6"
    & skf18("2","6","5","7","5","8","1") = "7"
    & skf18("2","6","5","7","5","9","1") = "8"
    & skf18("2","6","5","7","5","10","1") = "9"
    & skf18("2","6","5","7","6","1","1") = "6"
    & skf18("2","6","5","7","6","2","1") = "6"
    & skf18("2","6","5","7","6","3","1") = "6"
    & skf18("2","6","5","7","6","4","1") = "6"
    & skf18("2","6","5","7","6","5","1") = "6"
    & skf18("2","6","5","7","6","6","1") = "6"
    & skf18("2","6","5","7","6","7","1") = "6"
    & skf18("2","6","5","7","6","8","1") = "7"
    & skf18("2","6","5","7","6","9","1") = "8"
    & skf18("2","6","5","7","6","10","1") = "9"
    & skf18("2","6","5","7","7","1","1") = "6"
    & skf18("2","6","5","7","7","2","1") = "6"
    & skf18("2","6","5","7","7","3","1") = "6"
    & skf18("2","6","5","7","7","4","1") = "6"
    & skf18("2","6","5","7","7","5","1") = "6"
    & skf18("2","6","5","7","7","6","1") = "6"
    & skf18("2","6","5","7","7","7","1") = "6"
    & skf18("2","6","5","7","7","8","1") = "7"
    & skf18("2","6","5","7","7","9","1") = "8"
    & skf18("2","6","5","7","7","10","1") = "9"
    & skf18("2","6","5","7","8","1","1") = "7"
    & skf18("2","6","5","7","8","2","1") = "7"
    & skf18("2","6","5","7","8","3","1") = "7"
    & skf18("2","6","5","7","8","4","1") = "7"
    & skf18("2","6","5","7","8","5","1") = "7"
    & skf18("2","6","5","7","8","6","1") = "7"
    & skf18("2","6","5","7","8","7","1") = "7"
    & skf18("2","6","5","7","8","8","1") = "7"
    & skf18("2","6","5","7","8","9","1") = "8"
    & skf18("2","6","5","7","8","10","1") = "9"
    & skf18("2","6","5","7","9","1","1") = "8"
    & skf18("2","6","5","7","9","2","1") = "8"
    & skf18("2","6","5","7","9","3","1") = "8"
    & skf18("2","6","5","7","9","4","1") = "8"
    & skf18("2","6","5","7","9","5","1") = "8"
    & skf18("2","6","5","7","9","6","1") = "8"
    & skf18("2","6","5","7","9","7","1") = "8"
    & skf18("2","6","5","7","9","8","1") = "8"
    & skf18("2","6","5","7","9","9","1") = "8"
    & skf18("2","6","5","7","9","10","1") = "9"
    & skf18("2","6","5","7","10","1","1") = "9"
    & skf18("2","6","5","7","10","2","1") = "9"
    & skf18("2","6","5","7","10","3","1") = "9"
    & skf18("2","6","5","7","10","4","1") = "9"
    & skf18("2","6","5","7","10","5","1") = "9"
    & skf18("2","6","5","7","10","6","1") = "9"
    & skf18("2","6","5","7","10","7","1") = "9"
    & skf18("2","6","5","7","10","8","1") = "9"
    & skf18("2","6","5","7","10","9","1") = "9"
    & skf18("2","6","5","7","10","10","1") = "9"
    & skf18("2","6","5","8","1","1","1") = "7"
    & skf18("2","6","5","8","1","2","1") = "7"
    & skf18("2","6","5","8","1","3","1") = "7"
    & skf18("2","6","5","8","1","4","1") = "7"
    & skf18("2","6","5","8","1","5","1") = "7"
    & skf18("2","6","5","8","1","6","1") = "7"
    & skf18("2","6","5","8","1","7","1") = "7"
    & skf18("2","6","5","8","1","8","1") = "7"
    & skf18("2","6","5","8","1","9","1") = "8"
    & skf18("2","6","5","8","1","10","1") = "9"
    & skf18("2","6","5","8","2","1","1") = "7"
    & skf18("2","6","5","8","2","2","1") = "7"
    & skf18("2","6","5","8","2","3","1") = "7"
    & skf18("2","6","5","8","2","4","1") = "7"
    & skf18("2","6","5","8","2","5","1") = "7"
    & skf18("2","6","5","8","2","6","1") = "7"
    & skf18("2","6","5","8","2","7","1") = "7"
    & skf18("2","6","5","8","2","8","1") = "7"
    & skf18("2","6","5","8","2","9","1") = "8"
    & skf18("2","6","5","8","2","10","1") = "9"
    & skf18("2","6","5","8","3","1","1") = "7"
    & skf18("2","6","5","8","3","2","1") = "7"
    & skf18("2","6","5","8","3","3","1") = "7"
    & skf18("2","6","5","8","3","4","1") = "7"
    & skf18("2","6","5","8","3","5","1") = "7"
    & skf18("2","6","5","8","3","6","1") = "7"
    & skf18("2","6","5","8","3","7","1") = "7"
    & skf18("2","6","5","8","3","8","1") = "7"
    & skf18("2","6","5","8","3","9","1") = "8"
    & skf18("2","6","5","8","3","10","1") = "9"
    & skf18("2","6","5","8","4","1","1") = "7"
    & skf18("2","6","5","8","4","2","1") = "7"
    & skf18("2","6","5","8","4","3","1") = "7"
    & skf18("2","6","5","8","4","4","1") = "7"
    & skf18("2","6","5","8","4","5","1") = "7"
    & skf18("2","6","5","8","4","6","1") = "7"
    & skf18("2","6","5","8","4","7","1") = "7"
    & skf18("2","6","5","8","4","8","1") = "7"
    & skf18("2","6","5","8","4","9","1") = "8"
    & skf18("2","6","5","8","4","10","1") = "9"
    & skf18("2","6","5","8","5","1","1") = "7"
    & skf18("2","6","5","8","5","2","1") = "7"
    & skf18("2","6","5","8","5","3","1") = "7"
    & skf18("2","6","5","8","5","4","1") = "7"
    & skf18("2","6","5","8","5","5","1") = "7"
    & skf18("2","6","5","8","5","6","1") = "7"
    & skf18("2","6","5","8","5","7","1") = "7"
    & skf18("2","6","5","8","5","8","1") = "7"
    & skf18("2","6","5","8","5","9","1") = "8"
    & skf18("2","6","5","8","5","10","1") = "9"
    & skf18("2","6","5","8","6","1","1") = "7"
    & skf18("2","6","5","8","6","2","1") = "7"
    & skf18("2","6","5","8","6","3","1") = "7"
    & skf18("2","6","5","8","6","4","1") = "7"
    & skf18("2","6","5","8","6","5","1") = "7"
    & skf18("2","6","5","8","6","6","1") = "7"
    & skf18("2","6","5","8","6","7","1") = "7"
    & skf18("2","6","5","8","6","8","1") = "7"
    & skf18("2","6","5","8","6","9","1") = "8"
    & skf18("2","6","5","8","6","10","1") = "9"
    & skf18("2","6","5","8","7","1","1") = "7"
    & skf18("2","6","5","8","7","2","1") = "7"
    & skf18("2","6","5","8","7","3","1") = "7"
    & skf18("2","6","5","8","7","4","1") = "7"
    & skf18("2","6","5","8","7","5","1") = "7"
    & skf18("2","6","5","8","7","6","1") = "7"
    & skf18("2","6","5","8","7","7","1") = "7"
    & skf18("2","6","5","8","7","8","1") = "7"
    & skf18("2","6","5","8","7","9","1") = "8"
    & skf18("2","6","5","8","7","10","1") = "9"
    & skf18("2","6","5","8","8","1","1") = "7"
    & skf18("2","6","5","8","8","2","1") = "7"
    & skf18("2","6","5","8","8","3","1") = "7"
    & skf18("2","6","5","8","8","4","1") = "7"
    & skf18("2","6","5","8","8","5","1") = "7"
    & skf18("2","6","5","8","8","6","1") = "7"
    & skf18("2","6","5","8","8","7","1") = "7"
    & skf18("2","6","5","8","8","8","1") = "7"
    & skf18("2","6","5","8","8","9","1") = "8"
    & skf18("2","6","5","8","8","10","1") = "9"
    & skf18("2","6","5","8","9","1","1") = "8"
    & skf18("2","6","5","8","9","2","1") = "8"
    & skf18("2","6","5","8","9","3","1") = "8"
    & skf18("2","6","5","8","9","4","1") = "8"
    & skf18("2","6","5","8","9","5","1") = "8"
    & skf18("2","6","5","8","9","6","1") = "8"
    & skf18("2","6","5","8","9","7","1") = "8"
    & skf18("2","6","5","8","9","8","1") = "8"
    & skf18("2","6","5","8","9","9","1") = "8"
    & skf18("2","6","5","8","9","10","1") = "9"
    & skf18("2","6","5","8","10","1","1") = "9"
    & skf18("2","6","5","8","10","2","1") = "9"
    & skf18("2","6","5","8","10","3","1") = "9"
    & skf18("2","6","5","8","10","4","1") = "9"
    & skf18("2","6","5","8","10","5","1") = "9"
    & skf18("2","6","5","8","10","6","1") = "9"
    & skf18("2","6","5","8","10","7","1") = "9"
    & skf18("2","6","5","8","10","8","1") = "9"
    & skf18("2","6","5","8","10","9","1") = "9"
    & skf18("2","6","5","8","10","10","1") = "9"
    & skf18("2","6","5","9","1","1","1") = "8"
    & skf18("2","6","5","9","1","2","1") = "8"
    & skf18("2","6","5","9","1","3","1") = "8"
    & skf18("2","6","5","9","1","4","1") = "8"
    & skf18("2","6","5","9","1","5","1") = "8"
    & skf18("2","6","5","9","1","6","1") = "8"
    & skf18("2","6","5","9","1","7","1") = "8"
    & skf18("2","6","5","9","1","8","1") = "8"
    & skf18("2","6","5","9","1","9","1") = "8"
    & skf18("2","6","5","9","1","10","1") = "9"
    & skf18("2","6","5","9","2","1","1") = "8"
    & skf18("2","6","5","9","2","2","1") = "8"
    & skf18("2","6","5","9","2","3","1") = "8"
    & skf18("2","6","5","9","2","4","1") = "8"
    & skf18("2","6","5","9","2","5","1") = "8"
    & skf18("2","6","5","9","2","6","1") = "8"
    & skf18("2","6","5","9","2","7","1") = "8"
    & skf18("2","6","5","9","2","8","1") = "8"
    & skf18("2","6","5","9","2","9","1") = "8"
    & skf18("2","6","5","9","2","10","1") = "9"
    & skf18("2","6","5","9","3","1","1") = "8"
    & skf18("2","6","5","9","3","2","1") = "8"
    & skf18("2","6","5","9","3","3","1") = "8"
    & skf18("2","6","5","9","3","4","1") = "8"
    & skf18("2","6","5","9","3","5","1") = "8"
    & skf18("2","6","5","9","3","6","1") = "8"
    & skf18("2","6","5","9","3","7","1") = "8"
    & skf18("2","6","5","9","3","8","1") = "8"
    & skf18("2","6","5","9","3","9","1") = "8"
    & skf18("2","6","5","9","3","10","1") = "9"
    & skf18("2","6","5","9","4","1","1") = "8"
    & skf18("2","6","5","9","4","2","1") = "8"
    & skf18("2","6","5","9","4","3","1") = "8"
    & skf18("2","6","5","9","4","4","1") = "8"
    & skf18("2","6","5","9","4","5","1") = "8"
    & skf18("2","6","5","9","4","6","1") = "8"
    & skf18("2","6","5","9","4","7","1") = "8"
    & skf18("2","6","5","9","4","8","1") = "8"
    & skf18("2","6","5","9","4","9","1") = "8"
    & skf18("2","6","5","9","4","10","1") = "9"
    & skf18("2","6","5","9","5","1","1") = "8"
    & skf18("2","6","5","9","5","2","1") = "8"
    & skf18("2","6","5","9","5","3","1") = "8"
    & skf18("2","6","5","9","5","4","1") = "8"
    & skf18("2","6","5","9","5","5","1") = "8"
    & skf18("2","6","5","9","5","6","1") = "8"
    & skf18("2","6","5","9","5","7","1") = "8"
    & skf18("2","6","5","9","5","8","1") = "8"
    & skf18("2","6","5","9","5","9","1") = "8"
    & skf18("2","6","5","9","5","10","1") = "9"
    & skf18("2","6","5","9","6","1","1") = "8"
    & skf18("2","6","5","9","6","2","1") = "8"
    & skf18("2","6","5","9","6","3","1") = "8"
    & skf18("2","6","5","9","6","4","1") = "8"
    & skf18("2","6","5","9","6","5","1") = "8"
    & skf18("2","6","5","9","6","6","1") = "8"
    & skf18("2","6","5","9","6","7","1") = "8"
    & skf18("2","6","5","9","6","8","1") = "8"
    & skf18("2","6","5","9","6","9","1") = "8"
    & skf18("2","6","5","9","6","10","1") = "9"
    & skf18("2","6","5","9","7","1","1") = "8"
    & skf18("2","6","5","9","7","2","1") = "8"
    & skf18("2","6","5","9","7","3","1") = "8"
    & skf18("2","6","5","9","7","4","1") = "8"
    & skf18("2","6","5","9","7","5","1") = "8"
    & skf18("2","6","5","9","7","6","1") = "8"
    & skf18("2","6","5","9","7","7","1") = "8"
    & skf18("2","6","5","9","7","8","1") = "8"
    & skf18("2","6","5","9","7","9","1") = "8"
    & skf18("2","6","5","9","7","10","1") = "9"
    & skf18("2","6","5","9","8","1","1") = "8"
    & skf18("2","6","5","9","8","2","1") = "8"
    & skf18("2","6","5","9","8","3","1") = "8"
    & skf18("2","6","5","9","8","4","1") = "8"
    & skf18("2","6","5","9","8","5","1") = "8"
    & skf18("2","6","5","9","8","6","1") = "8"
    & skf18("2","6","5","9","8","7","1") = "8"
    & skf18("2","6","5","9","8","8","1") = "8"
    & skf18("2","6","5","9","8","9","1") = "8"
    & skf18("2","6","5","9","8","10","1") = "9"
    & skf18("2","6","5","9","9","1","1") = "8"
    & skf18("2","6","5","9","9","2","1") = "8"
    & skf18("2","6","5","9","9","3","1") = "8"
    & skf18("2","6","5","9","9","4","1") = "8"
    & skf18("2","6","5","9","9","5","1") = "8"
    & skf18("2","6","5","9","9","6","1") = "8"
    & skf18("2","6","5","9","9","7","1") = "8"
    & skf18("2","6","5","9","9","8","1") = "8"
    & skf18("2","6","5","9","9","9","1") = "8"
    & skf18("2","6","5","9","9","10","1") = "9"
    & skf18("2","6","5","9","10","1","1") = "9"
    & skf18("2","6","5","9","10","2","1") = "9"
    & skf18("2","6","5","9","10","3","1") = "9"
    & skf18("2","6","5","9","10","4","1") = "9"
    & skf18("2","6","5","9","10","5","1") = "9"
    & skf18("2","6","5","9","10","6","1") = "9"
    & skf18("2","6","5","9","10","7","1") = "9"
    & skf18("2","6","5","9","10","8","1") = "9"
    & skf18("2","6","5","9","10","9","1") = "9"
    & skf18("2","6","5","9","10","10","1") = "9"
    & skf18("2","6","5","10","1","1","1") = "9"
    & skf18("2","6","5","10","1","2","1") = "9"
    & skf18("2","6","5","10","1","3","1") = "9"
    & skf18("2","6","5","10","1","4","1") = "9"
    & skf18("2","6","5","10","1","5","1") = "9"
    & skf18("2","6","5","10","1","6","1") = "9"
    & skf18("2","6","5","10","1","7","1") = "9"
    & skf18("2","6","5","10","1","8","1") = "9"
    & skf18("2","6","5","10","1","9","1") = "9"
    & skf18("2","6","5","10","1","10","1") = "9"
    & skf18("2","6","5","10","2","1","1") = "9"
    & skf18("2","6","5","10","2","2","1") = "9"
    & skf18("2","6","5","10","2","3","1") = "9"
    & skf18("2","6","5","10","2","4","1") = "9"
    & skf18("2","6","5","10","2","5","1") = "9"
    & skf18("2","6","5","10","2","6","1") = "9"
    & skf18("2","6","5","10","2","7","1") = "9"
    & skf18("2","6","5","10","2","8","1") = "9"
    & skf18("2","6","5","10","2","9","1") = "9"
    & skf18("2","6","5","10","2","10","1") = "9"
    & skf18("2","6","5","10","3","1","1") = "9"
    & skf18("2","6","5","10","3","2","1") = "9"
    & skf18("2","6","5","10","3","3","1") = "9"
    & skf18("2","6","5","10","3","4","1") = "9"
    & skf18("2","6","5","10","3","5","1") = "9"
    & skf18("2","6","5","10","3","6","1") = "9"
    & skf18("2","6","5","10","3","7","1") = "9"
    & skf18("2","6","5","10","3","8","1") = "9"
    & skf18("2","6","5","10","3","9","1") = "9"
    & skf18("2","6","5","10","3","10","1") = "9"
    & skf18("2","6","5","10","4","1","1") = "9"
    & skf18("2","6","5","10","4","2","1") = "9"
    & skf18("2","6","5","10","4","3","1") = "9"
    & skf18("2","6","5","10","4","4","1") = "9"
    & skf18("2","6","5","10","4","5","1") = "9"
    & skf18("2","6","5","10","4","6","1") = "9"
    & skf18("2","6","5","10","4","7","1") = "9"
    & skf18("2","6","5","10","4","8","1") = "9"
    & skf18("2","6","5","10","4","9","1") = "9"
    & skf18("2","6","5","10","4","10","1") = "9"
    & skf18("2","6","5","10","5","1","1") = "9"
    & skf18("2","6","5","10","5","2","1") = "9"
    & skf18("2","6","5","10","5","3","1") = "9"
    & skf18("2","6","5","10","5","4","1") = "9"
    & skf18("2","6","5","10","5","5","1") = "9"
    & skf18("2","6","5","10","5","6","1") = "9"
    & skf18("2","6","5","10","5","7","1") = "9"
    & skf18("2","6","5","10","5","8","1") = "9"
    & skf18("2","6","5","10","5","9","1") = "9"
    & skf18("2","6","5","10","5","10","1") = "9"
    & skf18("2","6","5","10","6","1","1") = "9"
    & skf18("2","6","5","10","6","2","1") = "9"
    & skf18("2","6","5","10","6","3","1") = "9"
    & skf18("2","6","5","10","6","4","1") = "9"
    & skf18("2","6","5","10","6","5","1") = "9"
    & skf18("2","6","5","10","6","6","1") = "9"
    & skf18("2","6","5","10","6","7","1") = "9"
    & skf18("2","6","5","10","6","8","1") = "9"
    & skf18("2","6","5","10","6","9","1") = "9"
    & skf18("2","6","5","10","6","10","1") = "9"
    & skf18("2","6","5","10","7","1","1") = "9"
    & skf18("2","6","5","10","7","2","1") = "9"
    & skf18("2","6","5","10","7","3","1") = "9"
    & skf18("2","6","5","10","7","4","1") = "9"
    & skf18("2","6","5","10","7","5","1") = "9"
    & skf18("2","6","5","10","7","6","1") = "9"
    & skf18("2","6","5","10","7","7","1") = "9"
    & skf18("2","6","5","10","7","8","1") = "9"
    & skf18("2","6","5","10","7","9","1") = "9"
    & skf18("2","6","5","10","7","10","1") = "9"
    & skf18("2","6","5","10","8","1","1") = "9"
    & skf18("2","6","5","10","8","2","1") = "9"
    & skf18("2","6","5","10","8","3","1") = "9"
    & skf18("2","6","5","10","8","4","1") = "9"
    & skf18("2","6","5","10","8","5","1") = "9"
    & skf18("2","6","5","10","8","6","1") = "9"
    & skf18("2","6","5","10","8","7","1") = "9"
    & skf18("2","6","5","10","8","8","1") = "9"
    & skf18("2","6","5","10","8","9","1") = "9"
    & skf18("2","6","5","10","8","10","1") = "9"
    & skf18("2","6","5","10","9","1","1") = "9"
    & skf18("2","6","5","10","9","2","1") = "9"
    & skf18("2","6","5","10","9","3","1") = "9"
    & skf18("2","6","5","10","9","4","1") = "9"
    & skf18("2","6","5","10","9","5","1") = "9"
    & skf18("2","6","5","10","9","6","1") = "9"
    & skf18("2","6","5","10","9","7","1") = "9"
    & skf18("2","6","5","10","9","8","1") = "9"
    & skf18("2","6","5","10","9","9","1") = "9"
    & skf18("2","6","5","10","9","10","1") = "9"
    & skf18("2","6","5","10","10","1","1") = "9"
    & skf18("2","6","5","10","10","2","1") = "9"
    & skf18("2","6","5","10","10","3","1") = "9"
    & skf18("2","6","5","10","10","4","1") = "9"
    & skf18("2","6","5","10","10","5","1") = "9"
    & skf18("2","6","5","10","10","6","1") = "9"
    & skf18("2","6","5","10","10","7","1") = "9"
    & skf18("2","6","5","10","10","8","1") = "9"
    & skf18("2","6","5","10","10","9","1") = "9"
    & skf18("2","6","5","10","10","10","1") = "9"
    & skf18("2","6","6","1","1","1","1") = "5"
    & skf18("2","6","6","1","1","2","1") = "5"
    & skf18("2","6","6","1","1","3","1") = "5"
    & skf18("2","6","6","1","1","4","1") = "5"
    & skf18("2","6","6","1","1","5","1") = "5"
    & skf18("2","6","6","1","1","6","1") = "5"
    & skf18("2","6","6","1","1","7","1") = "6"
    & skf18("2","6","6","1","1","8","1") = "7"
    & skf18("2","6","6","1","1","9","1") = "8"
    & skf18("2","6","6","1","1","10","1") = "9"
    & skf18("2","6","6","1","2","1","1") = "5"
    & skf18("2","6","6","1","2","2","1") = "5"
    & skf18("2","6","6","1","2","3","1") = "5"
    & skf18("2","6","6","1","2","4","1") = "5"
    & skf18("2","6","6","1","2","5","1") = "5"
    & skf18("2","6","6","1","2","6","1") = "5"
    & skf18("2","6","6","1","2","7","1") = "6"
    & skf18("2","6","6","1","2","8","1") = "7"
    & skf18("2","6","6","1","2","9","1") = "8"
    & skf18("2","6","6","1","2","10","1") = "9"
    & skf18("2","6","6","1","3","1","1") = "5"
    & skf18("2","6","6","1","3","2","1") = "5"
    & skf18("2","6","6","1","3","3","1") = "5"
    & skf18("2","6","6","1","3","4","1") = "5"
    & skf18("2","6","6","1","3","5","1") = "5"
    & skf18("2","6","6","1","3","6","1") = "5"
    & skf18("2","6","6","1","3","7","1") = "6"
    & skf18("2","6","6","1","3","8","1") = "7"
    & skf18("2","6","6","1","3","9","1") = "8"
    & skf18("2","6","6","1","3","10","1") = "9"
    & skf18("2","6","6","1","4","1","1") = "5"
    & skf18("2","6","6","1","4","2","1") = "5"
    & skf18("2","6","6","1","4","3","1") = "5"
    & skf18("2","6","6","1","4","4","1") = "5"
    & skf18("2","6","6","1","4","5","1") = "5"
    & skf18("2","6","6","1","4","6","1") = "5"
    & skf18("2","6","6","1","4","7","1") = "6"
    & skf18("2","6","6","1","4","8","1") = "7"
    & skf18("2","6","6","1","4","9","1") = "8"
    & skf18("2","6","6","1","4","10","1") = "9"
    & skf18("2","6","6","1","5","1","1") = "5"
    & skf18("2","6","6","1","5","2","1") = "5"
    & skf18("2","6","6","1","5","3","1") = "5"
    & skf18("2","6","6","1","5","4","1") = "5"
    & skf18("2","6","6","1","5","5","1") = "5"
    & skf18("2","6","6","1","5","6","1") = "5"
    & skf18("2","6","6","1","5","7","1") = "6"
    & skf18("2","6","6","1","5","8","1") = "7"
    & skf18("2","6","6","1","5","9","1") = "8"
    & skf18("2","6","6","1","5","10","1") = "9"
    & skf18("2","6","6","1","6","1","1") = "5"
    & skf18("2","6","6","1","6","2","1") = "5"
    & skf18("2","6","6","1","6","3","1") = "5"
    & skf18("2","6","6","1","6","4","1") = "5"
    & skf18("2","6","6","1","6","5","1") = "5"
    & skf18("2","6","6","1","6","6","1") = "5"
    & skf18("2","6","6","1","6","7","1") = "6"
    & skf18("2","6","6","1","6","8","1") = "7"
    & skf18("2","6","6","1","6","9","1") = "8"
    & skf18("2","6","6","1","6","10","1") = "9"
    & skf18("2","6","6","1","7","1","1") = "6"
    & skf18("2","6","6","1","7","2","1") = "6"
    & skf18("2","6","6","1","7","3","1") = "6"
    & skf18("2","6","6","1","7","4","1") = "6"
    & skf18("2","6","6","1","7","5","1") = "6"
    & skf18("2","6","6","1","7","6","1") = "6"
    & skf18("2","6","6","1","7","7","1") = "6"
    & skf18("2","6","6","1","7","8","1") = "7"
    & skf18("2","6","6","1","7","9","1") = "8"
    & skf18("2","6","6","1","7","10","1") = "9"
    & skf18("2","6","6","1","8","1","1") = "7"
    & skf18("2","6","6","1","8","2","1") = "7"
    & skf18("2","6","6","1","8","3","1") = "7"
    & skf18("2","6","6","1","8","4","1") = "7"
    & skf18("2","6","6","1","8","5","1") = "7"
    & skf18("2","6","6","1","8","6","1") = "7"
    & skf18("2","6","6","1","8","7","1") = "7"
    & skf18("2","6","6","1","8","8","1") = "7"
    & skf18("2","6","6","1","8","9","1") = "8"
    & skf18("2","6","6","1","8","10","1") = "9"
    & skf18("2","6","6","1","9","1","1") = "8"
    & skf18("2","6","6","1","9","2","1") = "8"
    & skf18("2","6","6","1","9","3","1") = "8"
    & skf18("2","6","6","1","9","4","1") = "8"
    & skf18("2","6","6","1","9","5","1") = "8"
    & skf18("2","6","6","1","9","6","1") = "8"
    & skf18("2","6","6","1","9","7","1") = "8"
    & skf18("2","6","6","1","9","8","1") = "8"
    & skf18("2","6","6","1","9","9","1") = "8"
    & skf18("2","6","6","1","9","10","1") = "9"
    & skf18("2","6","6","1","10","1","1") = "9"
    & skf18("2","6","6","1","10","2","1") = "9"
    & skf18("2","6","6","1","10","3","1") = "9"
    & skf18("2","6","6","1","10","4","1") = "9"
    & skf18("2","6","6","1","10","5","1") = "9"
    & skf18("2","6","6","1","10","6","1") = "9"
    & skf18("2","6","6","1","10","7","1") = "9"
    & skf18("2","6","6","1","10","8","1") = "9"
    & skf18("2","6","6","1","10","9","1") = "9"
    & skf18("2","6","6","1","10","10","1") = "9"
    & skf18("2","6","6","2","1","1","1") = "5"
    & skf18("2","6","6","2","1","2","1") = "5"
    & skf18("2","6","6","2","1","3","1") = "5"
    & skf18("2","6","6","2","1","4","1") = "5"
    & skf18("2","6","6","2","1","5","1") = "5"
    & skf18("2","6","6","2","1","6","1") = "5"
    & skf18("2","6","6","2","1","7","1") = "6"
    & skf18("2","6","6","2","1","8","1") = "7"
    & skf18("2","6","6","2","1","9","1") = "8"
    & skf18("2","6","6","2","1","10","1") = "9"
    & skf18("2","6","6","2","2","1","1") = "5"
    & skf18("2","6","6","2","2","2","1") = "5"
    & skf18("2","6","6","2","2","3","1") = "5"
    & skf18("2","6","6","2","2","4","1") = "5"
    & skf18("2","6","6","2","2","5","1") = "5"
    & skf18("2","6","6","2","2","6","1") = "5"
    & skf18("2","6","6","2","2","7","1") = "6"
    & skf18("2","6","6","2","2","8","1") = "7"
    & skf18("2","6","6","2","2","9","1") = "8"
    & skf18("2","6","6","2","2","10","1") = "9"
    & skf18("2","6","6","2","3","1","1") = "5"
    & skf18("2","6","6","2","3","2","1") = "5"
    & skf18("2","6","6","2","3","3","1") = "5"
    & skf18("2","6","6","2","3","4","1") = "5"
    & skf18("2","6","6","2","3","5","1") = "5"
    & skf18("2","6","6","2","3","6","1") = "5"
    & skf18("2","6","6","2","3","7","1") = "6"
    & skf18("2","6","6","2","3","8","1") = "7"
    & skf18("2","6","6","2","3","9","1") = "8"
    & skf18("2","6","6","2","3","10","1") = "9"
    & skf18("2","6","6","2","4","1","1") = "5"
    & skf18("2","6","6","2","4","2","1") = "5"
    & skf18("2","6","6","2","4","3","1") = "5"
    & skf18("2","6","6","2","4","4","1") = "5"
    & skf18("2","6","6","2","4","5","1") = "5"
    & skf18("2","6","6","2","4","6","1") = "5"
    & skf18("2","6","6","2","4","7","1") = "6"
    & skf18("2","6","6","2","4","8","1") = "7"
    & skf18("2","6","6","2","4","9","1") = "8"
    & skf18("2","6","6","2","4","10","1") = "9"
    & skf18("2","6","6","2","5","1","1") = "5"
    & skf18("2","6","6","2","5","2","1") = "5"
    & skf18("2","6","6","2","5","3","1") = "5"
    & skf18("2","6","6","2","5","4","1") = "5"
    & skf18("2","6","6","2","5","5","1") = "5"
    & skf18("2","6","6","2","5","6","1") = "5"
    & skf18("2","6","6","2","5","7","1") = "6"
    & skf18("2","6","6","2","5","8","1") = "7"
    & skf18("2","6","6","2","5","9","1") = "8"
    & skf18("2","6","6","2","5","10","1") = "9"
    & skf18("2","6","6","2","6","1","1") = "5"
    & skf18("2","6","6","2","6","2","1") = "5"
    & skf18("2","6","6","2","6","3","1") = "5"
    & skf18("2","6","6","2","6","4","1") = "5"
    & skf18("2","6","6","2","6","5","1") = "5"
    & skf18("2","6","6","2","6","6","1") = "5"
    & skf18("2","6","6","2","6","7","1") = "6"
    & skf18("2","6","6","2","6","8","1") = "7"
    & skf18("2","6","6","2","6","9","1") = "8"
    & skf18("2","6","6","2","6","10","1") = "9"
    & skf18("2","6","6","2","7","1","1") = "6"
    & skf18("2","6","6","2","7","2","1") = "6"
    & skf18("2","6","6","2","7","3","1") = "6"
    & skf18("2","6","6","2","7","4","1") = "6"
    & skf18("2","6","6","2","7","5","1") = "6"
    & skf18("2","6","6","2","7","6","1") = "6"
    & skf18("2","6","6","2","7","7","1") = "6"
    & skf18("2","6","6","2","7","8","1") = "7"
    & skf18("2","6","6","2","7","9","1") = "8"
    & skf18("2","6","6","2","7","10","1") = "9"
    & skf18("2","6","6","2","8","1","1") = "7"
    & skf18("2","6","6","2","8","2","1") = "7"
    & skf18("2","6","6","2","8","3","1") = "7"
    & skf18("2","6","6","2","8","4","1") = "7"
    & skf18("2","6","6","2","8","5","1") = "7"
    & skf18("2","6","6","2","8","6","1") = "7"
    & skf18("2","6","6","2","8","7","1") = "7"
    & skf18("2","6","6","2","8","8","1") = "7"
    & skf18("2","6","6","2","8","9","1") = "8"
    & skf18("2","6","6","2","8","10","1") = "9"
    & skf18("2","6","6","2","9","1","1") = "8"
    & skf18("2","6","6","2","9","2","1") = "8"
    & skf18("2","6","6","2","9","3","1") = "8"
    & skf18("2","6","6","2","9","4","1") = "8"
    & skf18("2","6","6","2","9","5","1") = "8"
    & skf18("2","6","6","2","9","6","1") = "8"
    & skf18("2","6","6","2","9","7","1") = "8"
    & skf18("2","6","6","2","9","8","1") = "8"
    & skf18("2","6","6","2","9","9","1") = "8"
    & skf18("2","6","6","2","9","10","1") = "9"
    & skf18("2","6","6","2","10","1","1") = "9"
    & skf18("2","6","6","2","10","2","1") = "9"
    & skf18("2","6","6","2","10","3","1") = "9"
    & skf18("2","6","6","2","10","4","1") = "9"
    & skf18("2","6","6","2","10","5","1") = "9"
    & skf18("2","6","6","2","10","6","1") = "9"
    & skf18("2","6","6","2","10","7","1") = "9"
    & skf18("2","6","6","2","10","8","1") = "9"
    & skf18("2","6","6","2","10","9","1") = "9"
    & skf18("2","6","6","2","10","10","1") = "9"
    & skf18("2","6","6","3","1","1","1") = "5"
    & skf18("2","6","6","3","1","2","1") = "5"
    & skf18("2","6","6","3","1","3","1") = "5"
    & skf18("2","6","6","3","1","4","1") = "5"
    & skf18("2","6","6","3","1","5","1") = "5"
    & skf18("2","6","6","3","1","6","1") = "5"
    & skf18("2","6","6","3","1","7","1") = "6"
    & skf18("2","6","6","3","1","8","1") = "7"
    & skf18("2","6","6","3","1","9","1") = "8"
    & skf18("2","6","6","3","1","10","1") = "9"
    & skf18("2","6","6","3","2","1","1") = "5"
    & skf18("2","6","6","3","2","2","1") = "5"
    & skf18("2","6","6","3","2","3","1") = "5"
    & skf18("2","6","6","3","2","4","1") = "5"
    & skf18("2","6","6","3","2","5","1") = "5"
    & skf18("2","6","6","3","2","6","1") = "5"
    & skf18("2","6","6","3","2","7","1") = "6"
    & skf18("2","6","6","3","2","8","1") = "7"
    & skf18("2","6","6","3","2","9","1") = "8"
    & skf18("2","6","6","3","2","10","1") = "9"
    & skf18("2","6","6","3","3","1","1") = "5"
    & skf18("2","6","6","3","3","2","1") = "5"
    & skf18("2","6","6","3","3","3","1") = "5"
    & skf18("2","6","6","3","3","4","1") = "5"
    & skf18("2","6","6","3","3","5","1") = "5"
    & skf18("2","6","6","3","3","6","1") = "5"
    & skf18("2","6","6","3","3","7","1") = "6"
    & skf18("2","6","6","3","3","8","1") = "7"
    & skf18("2","6","6","3","3","9","1") = "8"
    & skf18("2","6","6","3","3","10","1") = "9"
    & skf18("2","6","6","3","4","1","1") = "5"
    & skf18("2","6","6","3","4","2","1") = "5"
    & skf18("2","6","6","3","4","3","1") = "5"
    & skf18("2","6","6","3","4","4","1") = "5"
    & skf18("2","6","6","3","4","5","1") = "5"
    & skf18("2","6","6","3","4","6","1") = "5"
    & skf18("2","6","6","3","4","7","1") = "6"
    & skf18("2","6","6","3","4","8","1") = "7"
    & skf18("2","6","6","3","4","9","1") = "8"
    & skf18("2","6","6","3","4","10","1") = "9"
    & skf18("2","6","6","3","5","1","1") = "5"
    & skf18("2","6","6","3","5","2","1") = "5"
    & skf18("2","6","6","3","5","3","1") = "5"
    & skf18("2","6","6","3","5","4","1") = "5"
    & skf18("2","6","6","3","5","5","1") = "5"
    & skf18("2","6","6","3","5","6","1") = "5"
    & skf18("2","6","6","3","5","7","1") = "6"
    & skf18("2","6","6","3","5","8","1") = "7"
    & skf18("2","6","6","3","5","9","1") = "8"
    & skf18("2","6","6","3","5","10","1") = "9"
    & skf18("2","6","6","3","6","1","1") = "5"
    & skf18("2","6","6","3","6","2","1") = "5"
    & skf18("2","6","6","3","6","3","1") = "5"
    & skf18("2","6","6","3","6","4","1") = "5"
    & skf18("2","6","6","3","6","5","1") = "5"
    & skf18("2","6","6","3","6","6","1") = "5"
    & skf18("2","6","6","3","6","7","1") = "6"
    & skf18("2","6","6","3","6","8","1") = "7"
    & skf18("2","6","6","3","6","9","1") = "8"
    & skf18("2","6","6","3","6","10","1") = "9"
    & skf18("2","6","6","3","7","1","1") = "6"
    & skf18("2","6","6","3","7","2","1") = "6"
    & skf18("2","6","6","3","7","3","1") = "6"
    & skf18("2","6","6","3","7","4","1") = "6"
    & skf18("2","6","6","3","7","5","1") = "6"
    & skf18("2","6","6","3","7","6","1") = "6"
    & skf18("2","6","6","3","7","7","1") = "6"
    & skf18("2","6","6","3","7","8","1") = "7"
    & skf18("2","6","6","3","7","9","1") = "8"
    & skf18("2","6","6","3","7","10","1") = "9"
    & skf18("2","6","6","3","8","1","1") = "7"
    & skf18("2","6","6","3","8","2","1") = "7"
    & skf18("2","6","6","3","8","3","1") = "7"
    & skf18("2","6","6","3","8","4","1") = "7"
    & skf18("2","6","6","3","8","5","1") = "7"
    & skf18("2","6","6","3","8","6","1") = "7"
    & skf18("2","6","6","3","8","7","1") = "7"
    & skf18("2","6","6","3","8","8","1") = "7"
    & skf18("2","6","6","3","8","9","1") = "8"
    & skf18("2","6","6","3","8","10","1") = "9"
    & skf18("2","6","6","3","9","1","1") = "8"
    & skf18("2","6","6","3","9","2","1") = "8"
    & skf18("2","6","6","3","9","3","1") = "8"
    & skf18("2","6","6","3","9","4","1") = "8"
    & skf18("2","6","6","3","9","5","1") = "8"
    & skf18("2","6","6","3","9","6","1") = "8"
    & skf18("2","6","6","3","9","7","1") = "8"
    & skf18("2","6","6","3","9","8","1") = "8"
    & skf18("2","6","6","3","9","9","1") = "8"
    & skf18("2","6","6","3","9","10","1") = "9"
    & skf18("2","6","6","3","10","1","1") = "9"
    & skf18("2","6","6","3","10","2","1") = "9"
    & skf18("2","6","6","3","10","3","1") = "9"
    & skf18("2","6","6","3","10","4","1") = "9"
    & skf18("2","6","6","3","10","5","1") = "9"
    & skf18("2","6","6","3","10","6","1") = "9"
    & skf18("2","6","6","3","10","7","1") = "9"
    & skf18("2","6","6","3","10","8","1") = "9"
    & skf18("2","6","6","3","10","9","1") = "9"
    & skf18("2","6","6","3","10","10","1") = "9"
    & skf18("2","6","6","4","1","1","1") = "5"
    & skf18("2","6","6","4","1","2","1") = "5"
    & skf18("2","6","6","4","1","3","1") = "5"
    & skf18("2","6","6","4","1","4","1") = "5"
    & skf18("2","6","6","4","1","5","1") = "5"
    & skf18("2","6","6","4","1","6","1") = "5"
    & skf18("2","6","6","4","1","7","1") = "6"
    & skf18("2","6","6","4","1","8","1") = "7"
    & skf18("2","6","6","4","1","9","1") = "8"
    & skf18("2","6","6","4","1","10","1") = "9"
    & skf18("2","6","6","4","2","1","1") = "5"
    & skf18("2","6","6","4","2","2","1") = "5"
    & skf18("2","6","6","4","2","3","1") = "5"
    & skf18("2","6","6","4","2","4","1") = "5"
    & skf18("2","6","6","4","2","5","1") = "5"
    & skf18("2","6","6","4","2","6","1") = "5"
    & skf18("2","6","6","4","2","7","1") = "6"
    & skf18("2","6","6","4","2","8","1") = "7"
    & skf18("2","6","6","4","2","9","1") = "8"
    & skf18("2","6","6","4","2","10","1") = "9"
    & skf18("2","6","6","4","3","1","1") = "5"
    & skf18("2","6","6","4","3","2","1") = "5"
    & skf18("2","6","6","4","3","3","1") = "5"
    & skf18("2","6","6","4","3","4","1") = "5"
    & skf18("2","6","6","4","3","5","1") = "5"
    & skf18("2","6","6","4","3","6","1") = "5"
    & skf18("2","6","6","4","3","7","1") = "6"
    & skf18("2","6","6","4","3","8","1") = "7"
    & skf18("2","6","6","4","3","9","1") = "8"
    & skf18("2","6","6","4","3","10","1") = "9"
    & skf18("2","6","6","4","4","1","1") = "5"
    & skf18("2","6","6","4","4","2","1") = "5"
    & skf18("2","6","6","4","4","3","1") = "5"
    & skf18("2","6","6","4","4","4","1") = "5"
    & skf18("2","6","6","4","4","5","1") = "5"
    & skf18("2","6","6","4","4","6","1") = "5"
    & skf18("2","6","6","4","4","7","1") = "6"
    & skf18("2","6","6","4","4","8","1") = "7"
    & skf18("2","6","6","4","4","9","1") = "8"
    & skf18("2","6","6","4","4","10","1") = "9"
    & skf18("2","6","6","4","5","1","1") = "5"
    & skf18("2","6","6","4","5","2","1") = "5"
    & skf18("2","6","6","4","5","3","1") = "5"
    & skf18("2","6","6","4","5","4","1") = "5"
    & skf18("2","6","6","4","5","5","1") = "5"
    & skf18("2","6","6","4","5","6","1") = "5"
    & skf18("2","6","6","4","5","7","1") = "6"
    & skf18("2","6","6","4","5","8","1") = "7"
    & skf18("2","6","6","4","5","9","1") = "8"
    & skf18("2","6","6","4","5","10","1") = "9"
    & skf18("2","6","6","4","6","1","1") = "5"
    & skf18("2","6","6","4","6","2","1") = "5"
    & skf18("2","6","6","4","6","3","1") = "5"
    & skf18("2","6","6","4","6","4","1") = "5"
    & skf18("2","6","6","4","6","5","1") = "5"
    & skf18("2","6","6","4","6","6","1") = "5"
    & skf18("2","6","6","4","6","7","1") = "6"
    & skf18("2","6","6","4","6","8","1") = "7"
    & skf18("2","6","6","4","6","9","1") = "8"
    & skf18("2","6","6","4","6","10","1") = "9"
    & skf18("2","6","6","4","7","1","1") = "6"
    & skf18("2","6","6","4","7","2","1") = "6"
    & skf18("2","6","6","4","7","3","1") = "6"
    & skf18("2","6","6","4","7","4","1") = "6"
    & skf18("2","6","6","4","7","5","1") = "6"
    & skf18("2","6","6","4","7","6","1") = "6"
    & skf18("2","6","6","4","7","7","1") = "6"
    & skf18("2","6","6","4","7","8","1") = "7"
    & skf18("2","6","6","4","7","9","1") = "8"
    & skf18("2","6","6","4","7","10","1") = "9"
    & skf18("2","6","6","4","8","1","1") = "7"
    & skf18("2","6","6","4","8","2","1") = "7"
    & skf18("2","6","6","4","8","3","1") = "7"
    & skf18("2","6","6","4","8","4","1") = "7"
    & skf18("2","6","6","4","8","5","1") = "7"
    & skf18("2","6","6","4","8","6","1") = "7"
    & skf18("2","6","6","4","8","7","1") = "7"
    & skf18("2","6","6","4","8","8","1") = "7"
    & skf18("2","6","6","4","8","9","1") = "8"
    & skf18("2","6","6","4","8","10","1") = "9"
    & skf18("2","6","6","4","9","1","1") = "8"
    & skf18("2","6","6","4","9","2","1") = "8"
    & skf18("2","6","6","4","9","3","1") = "8"
    & skf18("2","6","6","4","9","4","1") = "8"
    & skf18("2","6","6","4","9","5","1") = "8"
    & skf18("2","6","6","4","9","6","1") = "8"
    & skf18("2","6","6","4","9","7","1") = "8"
    & skf18("2","6","6","4","9","8","1") = "8"
    & skf18("2","6","6","4","9","9","1") = "8"
    & skf18("2","6","6","4","9","10","1") = "9"
    & skf18("2","6","6","4","10","1","1") = "9"
    & skf18("2","6","6","4","10","2","1") = "9"
    & skf18("2","6","6","4","10","3","1") = "9"
    & skf18("2","6","6","4","10","4","1") = "9"
    & skf18("2","6","6","4","10","5","1") = "9"
    & skf18("2","6","6","4","10","6","1") = "9"
    & skf18("2","6","6","4","10","7","1") = "9"
    & skf18("2","6","6","4","10","8","1") = "9"
    & skf18("2","6","6","4","10","9","1") = "9"
    & skf18("2","6","6","4","10","10","1") = "9"
    & skf18("2","6","6","5","1","1","1") = "5"
    & skf18("2","6","6","5","1","2","1") = "5"
    & skf18("2","6","6","5","1","3","1") = "5"
    & skf18("2","6","6","5","1","4","1") = "5"
    & skf18("2","6","6","5","1","5","1") = "5"
    & skf18("2","6","6","5","1","6","1") = "5"
    & skf18("2","6","6","5","1","7","1") = "6"
    & skf18("2","6","6","5","1","8","1") = "7"
    & skf18("2","6","6","5","1","9","1") = "8"
    & skf18("2","6","6","5","1","10","1") = "9"
    & skf18("2","6","6","5","2","1","1") = "5"
    & skf18("2","6","6","5","2","2","1") = "5"
    & skf18("2","6","6","5","2","3","1") = "5"
    & skf18("2","6","6","5","2","4","1") = "5"
    & skf18("2","6","6","5","2","5","1") = "5"
    & skf18("2","6","6","5","2","6","1") = "5"
    & skf18("2","6","6","5","2","7","1") = "6"
    & skf18("2","6","6","5","2","8","1") = "7"
    & skf18("2","6","6","5","2","9","1") = "8"
    & skf18("2","6","6","5","2","10","1") = "9"
    & skf18("2","6","6","5","3","1","1") = "5"
    & skf18("2","6","6","5","3","2","1") = "5"
    & skf18("2","6","6","5","3","3","1") = "5"
    & skf18("2","6","6","5","3","4","1") = "5"
    & skf18("2","6","6","5","3","5","1") = "5"
    & skf18("2","6","6","5","3","6","1") = "5"
    & skf18("2","6","6","5","3","7","1") = "6"
    & skf18("2","6","6","5","3","8","1") = "7"
    & skf18("2","6","6","5","3","9","1") = "8"
    & skf18("2","6","6","5","3","10","1") = "9"
    & skf18("2","6","6","5","4","1","1") = "5"
    & skf18("2","6","6","5","4","2","1") = "5"
    & skf18("2","6","6","5","4","3","1") = "5"
    & skf18("2","6","6","5","4","4","1") = "5"
    & skf18("2","6","6","5","4","5","1") = "5"
    & skf18("2","6","6","5","4","6","1") = "5"
    & skf18("2","6","6","5","4","7","1") = "6"
    & skf18("2","6","6","5","4","8","1") = "7"
    & skf18("2","6","6","5","4","9","1") = "8"
    & skf18("2","6","6","5","4","10","1") = "9"
    & skf18("2","6","6","5","5","1","1") = "5"
    & skf18("2","6","6","5","5","2","1") = "5"
    & skf18("2","6","6","5","5","3","1") = "5"
    & skf18("2","6","6","5","5","4","1") = "5"
    & skf18("2","6","6","5","5","5","1") = "5"
    & skf18("2","6","6","5","5","6","1") = "5"
    & skf18("2","6","6","5","5","7","1") = "6"
    & skf18("2","6","6","5","5","8","1") = "7"
    & skf18("2","6","6","5","5","9","1") = "8"
    & skf18("2","6","6","5","5","10","1") = "9"
    & skf18("2","6","6","5","6","1","1") = "5"
    & skf18("2","6","6","5","6","2","1") = "5"
    & skf18("2","6","6","5","6","3","1") = "5"
    & skf18("2","6","6","5","6","4","1") = "5"
    & skf18("2","6","6","5","6","5","1") = "5"
    & skf18("2","6","6","5","6","6","1") = "5"
    & skf18("2","6","6","5","6","7","1") = "6"
    & skf18("2","6","6","5","6","8","1") = "7"
    & skf18("2","6","6","5","6","9","1") = "8"
    & skf18("2","6","6","5","6","10","1") = "9"
    & skf18("2","6","6","5","7","1","1") = "6"
    & skf18("2","6","6","5","7","2","1") = "6"
    & skf18("2","6","6","5","7","3","1") = "6"
    & skf18("2","6","6","5","7","4","1") = "6"
    & skf18("2","6","6","5","7","5","1") = "6"
    & skf18("2","6","6","5","7","6","1") = "6"
    & skf18("2","6","6","5","7","7","1") = "6"
    & skf18("2","6","6","5","7","8","1") = "7"
    & skf18("2","6","6","5","7","9","1") = "8"
    & skf18("2","6","6","5","7","10","1") = "9"
    & skf18("2","6","6","5","8","1","1") = "7"
    & skf18("2","6","6","5","8","2","1") = "7"
    & skf18("2","6","6","5","8","3","1") = "7"
    & skf18("2","6","6","5","8","4","1") = "7"
    & skf18("2","6","6","5","8","5","1") = "7"
    & skf18("2","6","6","5","8","6","1") = "7"
    & skf18("2","6","6","5","8","7","1") = "7"
    & skf18("2","6","6","5","8","8","1") = "7"
    & skf18("2","6","6","5","8","9","1") = "8"
    & skf18("2","6","6","5","8","10","1") = "9"
    & skf18("2","6","6","5","9","1","1") = "8"
    & skf18("2","6","6","5","9","2","1") = "8"
    & skf18("2","6","6","5","9","3","1") = "8"
    & skf18("2","6","6","5","9","4","1") = "8"
    & skf18("2","6","6","5","9","5","1") = "8"
    & skf18("2","6","6","5","9","6","1") = "8"
    & skf18("2","6","6","5","9","7","1") = "8"
    & skf18("2","6","6","5","9","8","1") = "8"
    & skf18("2","6","6","5","9","9","1") = "8"
    & skf18("2","6","6","5","9","10","1") = "9"
    & skf18("2","6","6","5","10","1","1") = "9"
    & skf18("2","6","6","5","10","2","1") = "9"
    & skf18("2","6","6","5","10","3","1") = "9"
    & skf18("2","6","6","5","10","4","1") = "9"
    & skf18("2","6","6","5","10","5","1") = "9"
    & skf18("2","6","6","5","10","6","1") = "9"
    & skf18("2","6","6","5","10","7","1") = "9"
    & skf18("2","6","6","5","10","8","1") = "9"
    & skf18("2","6","6","5","10","9","1") = "9"
    & skf18("2","6","6","5","10","10","1") = "9"
    & skf18("2","6","6","6","1","1","1") = "5"
    & skf18("2","6","6","6","1","2","1") = "5"
    & skf18("2","6","6","6","1","3","1") = "5"
    & skf18("2","6","6","6","1","4","1") = "5"
    & skf18("2","6","6","6","1","5","1") = "5"
    & skf18("2","6","6","6","1","6","1") = "5"
    & skf18("2","6","6","6","1","7","1") = "6"
    & skf18("2","6","6","6","1","8","1") = "7"
    & skf18("2","6","6","6","1","9","1") = "8"
    & skf18("2","6","6","6","1","10","1") = "9"
    & skf18("2","6","6","6","2","1","1") = "5"
    & skf18("2","6","6","6","2","2","1") = "5"
    & skf18("2","6","6","6","2","3","1") = "5"
    & skf18("2","6","6","6","2","4","1") = "5"
    & skf18("2","6","6","6","2","5","1") = "5"
    & skf18("2","6","6","6","2","6","1") = "5"
    & skf18("2","6","6","6","2","7","1") = "6"
    & skf18("2","6","6","6","2","8","1") = "7"
    & skf18("2","6","6","6","2","9","1") = "8"
    & skf18("2","6","6","6","2","10","1") = "9"
    & skf18("2","6","6","6","3","1","1") = "5"
    & skf18("2","6","6","6","3","2","1") = "5"
    & skf18("2","6","6","6","3","3","1") = "5"
    & skf18("2","6","6","6","3","4","1") = "5"
    & skf18("2","6","6","6","3","5","1") = "5"
    & skf18("2","6","6","6","3","6","1") = "5"
    & skf18("2","6","6","6","3","7","1") = "6"
    & skf18("2","6","6","6","3","8","1") = "7"
    & skf18("2","6","6","6","3","9","1") = "8"
    & skf18("2","6","6","6","3","10","1") = "9"
    & skf18("2","6","6","6","4","1","1") = "5"
    & skf18("2","6","6","6","4","2","1") = "5"
    & skf18("2","6","6","6","4","3","1") = "5"
    & skf18("2","6","6","6","4","4","1") = "5"
    & skf18("2","6","6","6","4","5","1") = "5"
    & skf18("2","6","6","6","4","6","1") = "5"
    & skf18("2","6","6","6","4","7","1") = "6"
    & skf18("2","6","6","6","4","8","1") = "7"
    & skf18("2","6","6","6","4","9","1") = "8"
    & skf18("2","6","6","6","4","10","1") = "9"
    & skf18("2","6","6","6","5","1","1") = "5"
    & skf18("2","6","6","6","5","2","1") = "5"
    & skf18("2","6","6","6","5","3","1") = "5"
    & skf18("2","6","6","6","5","4","1") = "5"
    & skf18("2","6","6","6","5","5","1") = "5"
    & skf18("2","6","6","6","5","6","1") = "5"
    & skf18("2","6","6","6","5","7","1") = "6"
    & skf18("2","6","6","6","5","8","1") = "7"
    & skf18("2","6","6","6","5","9","1") = "8"
    & skf18("2","6","6","6","5","10","1") = "9"
    & skf18("2","6","6","6","6","1","1") = "5"
    & skf18("2","6","6","6","6","2","1") = "5"
    & skf18("2","6","6","6","6","3","1") = "5"
    & skf18("2","6","6","6","6","4","1") = "5"
    & skf18("2","6","6","6","6","5","1") = "5"
    & skf18("2","6","6","6","6","6","1") = "5"
    & skf18("2","6","6","6","6","7","1") = "6"
    & skf18("2","6","6","6","6","8","1") = "7"
    & skf18("2","6","6","6","6","9","1") = "8"
    & skf18("2","6","6","6","6","10","1") = "9"
    & skf18("2","6","6","6","7","1","1") = "6"
    & skf18("2","6","6","6","7","2","1") = "6"
    & skf18("2","6","6","6","7","3","1") = "6"
    & skf18("2","6","6","6","7","4","1") = "6"
    & skf18("2","6","6","6","7","5","1") = "6"
    & skf18("2","6","6","6","7","6","1") = "6"
    & skf18("2","6","6","6","7","7","1") = "6"
    & skf18("2","6","6","6","7","8","1") = "7"
    & skf18("2","6","6","6","7","9","1") = "8"
    & skf18("2","6","6","6","7","10","1") = "9"
    & skf18("2","6","6","6","8","1","1") = "7"
    & skf18("2","6","6","6","8","2","1") = "7"
    & skf18("2","6","6","6","8","3","1") = "7"
    & skf18("2","6","6","6","8","4","1") = "7"
    & skf18("2","6","6","6","8","5","1") = "7"
    & skf18("2","6","6","6","8","6","1") = "7"
    & skf18("2","6","6","6","8","7","1") = "7"
    & skf18("2","6","6","6","8","8","1") = "7"
    & skf18("2","6","6","6","8","9","1") = "8"
    & skf18("2","6","6","6","8","10","1") = "9"
    & skf18("2","6","6","6","9","1","1") = "8"
    & skf18("2","6","6","6","9","2","1") = "8"
    & skf18("2","6","6","6","9","3","1") = "8"
    & skf18("2","6","6","6","9","4","1") = "8"
    & skf18("2","6","6","6","9","5","1") = "8"
    & skf18("2","6","6","6","9","6","1") = "8"
    & skf18("2","6","6","6","9","7","1") = "8"
    & skf18("2","6","6","6","9","8","1") = "8"
    & skf18("2","6","6","6","9","9","1") = "8"
    & skf18("2","6","6","6","9","10","1") = "9"
    & skf18("2","6","6","6","10","1","1") = "9"
    & skf18("2","6","6","6","10","2","1") = "9"
    & skf18("2","6","6","6","10","3","1") = "9"
    & skf18("2","6","6","6","10","4","1") = "9"
    & skf18("2","6","6","6","10","5","1") = "9"
    & skf18("2","6","6","6","10","6","1") = "9"
    & skf18("2","6","6","6","10","7","1") = "9"
    & skf18("2","6","6","6","10","8","1") = "9"
    & skf18("2","6","6","6","10","9","1") = "9"
    & skf18("2","6","6","6","10","10","1") = "9"
    & skf18("2","6","6","7","1","1","1") = "6"
    & skf18("2","6","6","7","1","2","1") = "6"
    & skf18("2","6","6","7","1","3","1") = "6"
    & skf18("2","6","6","7","1","4","1") = "6"
    & skf18("2","6","6","7","1","5","1") = "6"
    & skf18("2","6","6","7","1","6","1") = "6"
    & skf18("2","6","6","7","1","7","1") = "6"
    & skf18("2","6","6","7","1","8","1") = "7"
    & skf18("2","6","6","7","1","9","1") = "8"
    & skf18("2","6","6","7","1","10","1") = "9"
    & skf18("2","6","6","7","2","1","1") = "6"
    & skf18("2","6","6","7","2","2","1") = "6"
    & skf18("2","6","6","7","2","3","1") = "6"
    & skf18("2","6","6","7","2","4","1") = "6"
    & skf18("2","6","6","7","2","5","1") = "6"
    & skf18("2","6","6","7","2","6","1") = "6"
    & skf18("2","6","6","7","2","7","1") = "6"
    & skf18("2","6","6","7","2","8","1") = "7"
    & skf18("2","6","6","7","2","9","1") = "8"
    & skf18("2","6","6","7","2","10","1") = "9"
    & skf18("2","6","6","7","3","1","1") = "6"
    & skf18("2","6","6","7","3","2","1") = "6"
    & skf18("2","6","6","7","3","3","1") = "6"
    & skf18("2","6","6","7","3","4","1") = "6"
    & skf18("2","6","6","7","3","5","1") = "6"
    & skf18("2","6","6","7","3","6","1") = "6"
    & skf18("2","6","6","7","3","7","1") = "6"
    & skf18("2","6","6","7","3","8","1") = "7"
    & skf18("2","6","6","7","3","9","1") = "8"
    & skf18("2","6","6","7","3","10","1") = "9"
    & skf18("2","6","6","7","4","1","1") = "6"
    & skf18("2","6","6","7","4","2","1") = "6"
    & skf18("2","6","6","7","4","3","1") = "6"
    & skf18("2","6","6","7","4","4","1") = "6"
    & skf18("2","6","6","7","4","5","1") = "6"
    & skf18("2","6","6","7","4","6","1") = "6"
    & skf18("2","6","6","7","4","7","1") = "6"
    & skf18("2","6","6","7","4","8","1") = "7"
    & skf18("2","6","6","7","4","9","1") = "8"
    & skf18("2","6","6","7","4","10","1") = "9"
    & skf18("2","6","6","7","5","1","1") = "6"
    & skf18("2","6","6","7","5","2","1") = "6"
    & skf18("2","6","6","7","5","3","1") = "6"
    & skf18("2","6","6","7","5","4","1") = "6"
    & skf18("2","6","6","7","5","5","1") = "6"
    & skf18("2","6","6","7","5","6","1") = "6"
    & skf18("2","6","6","7","5","7","1") = "6"
    & skf18("2","6","6","7","5","8","1") = "7"
    & skf18("2","6","6","7","5","9","1") = "8"
    & skf18("2","6","6","7","5","10","1") = "9"
    & skf18("2","6","6","7","6","1","1") = "6"
    & skf18("2","6","6","7","6","2","1") = "6"
    & skf18("2","6","6","7","6","3","1") = "6"
    & skf18("2","6","6","7","6","4","1") = "6"
    & skf18("2","6","6","7","6","5","1") = "6"
    & skf18("2","6","6","7","6","6","1") = "6"
    & skf18("2","6","6","7","6","7","1") = "6"
    & skf18("2","6","6","7","6","8","1") = "7"
    & skf18("2","6","6","7","6","9","1") = "8"
    & skf18("2","6","6","7","6","10","1") = "9"
    & skf18("2","6","6","7","7","1","1") = "6"
    & skf18("2","6","6","7","7","2","1") = "6"
    & skf18("2","6","6","7","7","3","1") = "6"
    & skf18("2","6","6","7","7","4","1") = "6"
    & skf18("2","6","6","7","7","5","1") = "6"
    & skf18("2","6","6","7","7","6","1") = "6"
    & skf18("2","6","6","7","7","7","1") = "6"
    & skf18("2","6","6","7","7","8","1") = "7"
    & skf18("2","6","6","7","7","9","1") = "8"
    & skf18("2","6","6","7","7","10","1") = "9"
    & skf18("2","6","6","7","8","1","1") = "7"
    & skf18("2","6","6","7","8","2","1") = "7"
    & skf18("2","6","6","7","8","3","1") = "7"
    & skf18("2","6","6","7","8","4","1") = "7"
    & skf18("2","6","6","7","8","5","1") = "7"
    & skf18("2","6","6","7","8","6","1") = "7"
    & skf18("2","6","6","7","8","7","1") = "7"
    & skf18("2","6","6","7","8","8","1") = "7"
    & skf18("2","6","6","7","8","9","1") = "8"
    & skf18("2","6","6","7","8","10","1") = "9"
    & skf18("2","6","6","7","9","1","1") = "8"
    & skf18("2","6","6","7","9","2","1") = "8"
    & skf18("2","6","6","7","9","3","1") = "8"
    & skf18("2","6","6","7","9","4","1") = "8"
    & skf18("2","6","6","7","9","5","1") = "8"
    & skf18("2","6","6","7","9","6","1") = "8"
    & skf18("2","6","6","7","9","7","1") = "8"
    & skf18("2","6","6","7","9","8","1") = "8"
    & skf18("2","6","6","7","9","9","1") = "8"
    & skf18("2","6","6","7","9","10","1") = "9"
    & skf18("2","6","6","7","10","1","1") = "9"
    & skf18("2","6","6","7","10","2","1") = "9"
    & skf18("2","6","6","7","10","3","1") = "9"
    & skf18("2","6","6","7","10","4","1") = "9"
    & skf18("2","6","6","7","10","5","1") = "9"
    & skf18("2","6","6","7","10","6","1") = "9"
    & skf18("2","6","6","7","10","7","1") = "9"
    & skf18("2","6","6","7","10","8","1") = "9"
    & skf18("2","6","6","7","10","9","1") = "9"
    & skf18("2","6","6","7","10","10","1") = "9"
    & skf18("2","6","6","8","1","1","1") = "7"
    & skf18("2","6","6","8","1","2","1") = "7"
    & skf18("2","6","6","8","1","3","1") = "7"
    & skf18("2","6","6","8","1","4","1") = "7"
    & skf18("2","6","6","8","1","5","1") = "7"
    & skf18("2","6","6","8","1","6","1") = "7"
    & skf18("2","6","6","8","1","7","1") = "7"
    & skf18("2","6","6","8","1","8","1") = "7"
    & skf18("2","6","6","8","1","9","1") = "8"
    & skf18("2","6","6","8","1","10","1") = "9"
    & skf18("2","6","6","8","2","1","1") = "7"
    & skf18("2","6","6","8","2","2","1") = "7"
    & skf18("2","6","6","8","2","3","1") = "7"
    & skf18("2","6","6","8","2","4","1") = "7"
    & skf18("2","6","6","8","2","5","1") = "7"
    & skf18("2","6","6","8","2","6","1") = "7"
    & skf18("2","6","6","8","2","7","1") = "7"
    & skf18("2","6","6","8","2","8","1") = "7"
    & skf18("2","6","6","8","2","9","1") = "8"
    & skf18("2","6","6","8","2","10","1") = "9"
    & skf18("2","6","6","8","3","1","1") = "7"
    & skf18("2","6","6","8","3","2","1") = "7"
    & skf18("2","6","6","8","3","3","1") = "7"
    & skf18("2","6","6","8","3","4","1") = "7"
    & skf18("2","6","6","8","3","5","1") = "7"
    & skf18("2","6","6","8","3","6","1") = "7"
    & skf18("2","6","6","8","3","7","1") = "7"
    & skf18("2","6","6","8","3","8","1") = "7"
    & skf18("2","6","6","8","3","9","1") = "8"
    & skf18("2","6","6","8","3","10","1") = "9"
    & skf18("2","6","6","8","4","1","1") = "7"
    & skf18("2","6","6","8","4","2","1") = "7"
    & skf18("2","6","6","8","4","3","1") = "7"
    & skf18("2","6","6","8","4","4","1") = "7"
    & skf18("2","6","6","8","4","5","1") = "7"
    & skf18("2","6","6","8","4","6","1") = "7"
    & skf18("2","6","6","8","4","7","1") = "7"
    & skf18("2","6","6","8","4","8","1") = "7"
    & skf18("2","6","6","8","4","9","1") = "8"
    & skf18("2","6","6","8","4","10","1") = "9"
    & skf18("2","6","6","8","5","1","1") = "7"
    & skf18("2","6","6","8","5","2","1") = "7"
    & skf18("2","6","6","8","5","3","1") = "7"
    & skf18("2","6","6","8","5","4","1") = "7"
    & skf18("2","6","6","8","5","5","1") = "7"
    & skf18("2","6","6","8","5","6","1") = "7"
    & skf18("2","6","6","8","5","7","1") = "7"
    & skf18("2","6","6","8","5","8","1") = "7"
    & skf18("2","6","6","8","5","9","1") = "8"
    & skf18("2","6","6","8","5","10","1") = "9"
    & skf18("2","6","6","8","6","1","1") = "7"
    & skf18("2","6","6","8","6","2","1") = "7"
    & skf18("2","6","6","8","6","3","1") = "7"
    & skf18("2","6","6","8","6","4","1") = "7"
    & skf18("2","6","6","8","6","5","1") = "7"
    & skf18("2","6","6","8","6","6","1") = "7"
    & skf18("2","6","6","8","6","7","1") = "7"
    & skf18("2","6","6","8","6","8","1") = "7"
    & skf18("2","6","6","8","6","9","1") = "8"
    & skf18("2","6","6","8","6","10","1") = "9"
    & skf18("2","6","6","8","7","1","1") = "7"
    & skf18("2","6","6","8","7","2","1") = "7"
    & skf18("2","6","6","8","7","3","1") = "7"
    & skf18("2","6","6","8","7","4","1") = "7"
    & skf18("2","6","6","8","7","5","1") = "7"
    & skf18("2","6","6","8","7","6","1") = "7"
    & skf18("2","6","6","8","7","7","1") = "7"
    & skf18("2","6","6","8","7","8","1") = "7"
    & skf18("2","6","6","8","7","9","1") = "8"
    & skf18("2","6","6","8","7","10","1") = "9"
    & skf18("2","6","6","8","8","1","1") = "7"
    & skf18("2","6","6","8","8","2","1") = "7"
    & skf18("2","6","6","8","8","3","1") = "7"
    & skf18("2","6","6","8","8","4","1") = "7"
    & skf18("2","6","6","8","8","5","1") = "7"
    & skf18("2","6","6","8","8","6","1") = "7"
    & skf18("2","6","6","8","8","7","1") = "7"
    & skf18("2","6","6","8","8","8","1") = "7"
    & skf18("2","6","6","8","8","9","1") = "8"
    & skf18("2","6","6","8","8","10","1") = "9"
    & skf18("2","6","6","8","9","1","1") = "8"
    & skf18("2","6","6","8","9","2","1") = "8"
    & skf18("2","6","6","8","9","3","1") = "8"
    & skf18("2","6","6","8","9","4","1") = "8"
    & skf18("2","6","6","8","9","5","1") = "8"
    & skf18("2","6","6","8","9","6","1") = "8"
    & skf18("2","6","6","8","9","7","1") = "8"
    & skf18("2","6","6","8","9","8","1") = "8"
    & skf18("2","6","6","8","9","9","1") = "8"
    & skf18("2","6","6","8","9","10","1") = "9"
    & skf18("2","6","6","8","10","1","1") = "9"
    & skf18("2","6","6","8","10","2","1") = "9"
    & skf18("2","6","6","8","10","3","1") = "9"
    & skf18("2","6","6","8","10","4","1") = "9"
    & skf18("2","6","6","8","10","5","1") = "9"
    & skf18("2","6","6","8","10","6","1") = "9"
    & skf18("2","6","6","8","10","7","1") = "9"
    & skf18("2","6","6","8","10","8","1") = "9"
    & skf18("2","6","6","8","10","9","1") = "9"
    & skf18("2","6","6","8","10","10","1") = "9"
    & skf18("2","6","6","9","1","1","1") = "8"
    & skf18("2","6","6","9","1","2","1") = "8"
    & skf18("2","6","6","9","1","3","1") = "8"
    & skf18("2","6","6","9","1","4","1") = "8"
    & skf18("2","6","6","9","1","5","1") = "8"
    & skf18("2","6","6","9","1","6","1") = "8"
    & skf18("2","6","6","9","1","7","1") = "8"
    & skf18("2","6","6","9","1","8","1") = "8"
    & skf18("2","6","6","9","1","9","1") = "8"
    & skf18("2","6","6","9","1","10","1") = "9"
    & skf18("2","6","6","9","2","1","1") = "8"
    & skf18("2","6","6","9","2","2","1") = "8"
    & skf18("2","6","6","9","2","3","1") = "8"
    & skf18("2","6","6","9","2","4","1") = "8"
    & skf18("2","6","6","9","2","5","1") = "8"
    & skf18("2","6","6","9","2","6","1") = "8"
    & skf18("2","6","6","9","2","7","1") = "8"
    & skf18("2","6","6","9","2","8","1") = "8"
    & skf18("2","6","6","9","2","9","1") = "8"
    & skf18("2","6","6","9","2","10","1") = "9"
    & skf18("2","6","6","9","3","1","1") = "8"
    & skf18("2","6","6","9","3","2","1") = "8"
    & skf18("2","6","6","9","3","3","1") = "8"
    & skf18("2","6","6","9","3","4","1") = "8"
    & skf18("2","6","6","9","3","5","1") = "8"
    & skf18("2","6","6","9","3","6","1") = "8"
    & skf18("2","6","6","9","3","7","1") = "8"
    & skf18("2","6","6","9","3","8","1") = "8"
    & skf18("2","6","6","9","3","9","1") = "8"
    & skf18("2","6","6","9","3","10","1") = "9"
    & skf18("2","6","6","9","4","1","1") = "8"
    & skf18("2","6","6","9","4","2","1") = "8"
    & skf18("2","6","6","9","4","3","1") = "8"
    & skf18("2","6","6","9","4","4","1") = "8"
    & skf18("2","6","6","9","4","5","1") = "8"
    & skf18("2","6","6","9","4","6","1") = "8"
    & skf18("2","6","6","9","4","7","1") = "8"
    & skf18("2","6","6","9","4","8","1") = "8"
    & skf18("2","6","6","9","4","9","1") = "8"
    & skf18("2","6","6","9","4","10","1") = "9"
    & skf18("2","6","6","9","5","1","1") = "8"
    & skf18("2","6","6","9","5","2","1") = "8"
    & skf18("2","6","6","9","5","3","1") = "8"
    & skf18("2","6","6","9","5","4","1") = "8"
    & skf18("2","6","6","9","5","5","1") = "8"
    & skf18("2","6","6","9","5","6","1") = "8"
    & skf18("2","6","6","9","5","7","1") = "8"
    & skf18("2","6","6","9","5","8","1") = "8"
    & skf18("2","6","6","9","5","9","1") = "8"
    & skf18("2","6","6","9","5","10","1") = "9"
    & skf18("2","6","6","9","6","1","1") = "8"
    & skf18("2","6","6","9","6","2","1") = "8"
    & skf18("2","6","6","9","6","3","1") = "8"
    & skf18("2","6","6","9","6","4","1") = "8"
    & skf18("2","6","6","9","6","5","1") = "8"
    & skf18("2","6","6","9","6","6","1") = "8"
    & skf18("2","6","6","9","6","7","1") = "8"
    & skf18("2","6","6","9","6","8","1") = "8"
    & skf18("2","6","6","9","6","9","1") = "8"
    & skf18("2","6","6","9","6","10","1") = "9"
    & skf18("2","6","6","9","7","1","1") = "8"
    & skf18("2","6","6","9","7","2","1") = "8"
    & skf18("2","6","6","9","7","3","1") = "8"
    & skf18("2","6","6","9","7","4","1") = "8"
    & skf18("2","6","6","9","7","5","1") = "8"
    & skf18("2","6","6","9","7","6","1") = "8"
    & skf18("2","6","6","9","7","7","1") = "8"
    & skf18("2","6","6","9","7","8","1") = "8"
    & skf18("2","6","6","9","7","9","1") = "8"
    & skf18("2","6","6","9","7","10","1") = "9"
    & skf18("2","6","6","9","8","1","1") = "8"
    & skf18("2","6","6","9","8","2","1") = "8"
    & skf18("2","6","6","9","8","3","1") = "8"
    & skf18("2","6","6","9","8","4","1") = "8"
    & skf18("2","6","6","9","8","5","1") = "8"
    & skf18("2","6","6","9","8","6","1") = "8"
    & skf18("2","6","6","9","8","7","1") = "8"
    & skf18("2","6","6","9","8","8","1") = "8"
    & skf18("2","6","6","9","8","9","1") = "8"
    & skf18("2","6","6","9","8","10","1") = "9"
    & skf18("2","6","6","9","9","1","1") = "8"
    & skf18("2","6","6","9","9","2","1") = "8"
    & skf18("2","6","6","9","9","3","1") = "8"
    & skf18("2","6","6","9","9","4","1") = "8"
    & skf18("2","6","6","9","9","5","1") = "8"
    & skf18("2","6","6","9","9","6","1") = "8"
    & skf18("2","6","6","9","9","7","1") = "8"
    & skf18("2","6","6","9","9","8","1") = "8"
    & skf18("2","6","6","9","9","9","1") = "8"
    & skf18("2","6","6","9","9","10","1") = "9"
    & skf18("2","6","6","9","10","1","1") = "9"
    & skf18("2","6","6","9","10","2","1") = "9"
    & skf18("2","6","6","9","10","3","1") = "9"
    & skf18("2","6","6","9","10","4","1") = "9"
    & skf18("2","6","6","9","10","5","1") = "9"
    & skf18("2","6","6","9","10","6","1") = "9"
    & skf18("2","6","6","9","10","7","1") = "9"
    & skf18("2","6","6","9","10","8","1") = "9"
    & skf18("2","6","6","9","10","9","1") = "9"
    & skf18("2","6","6","9","10","10","1") = "9"
    & skf18("2","6","6","10","1","1","1") = "9"
    & skf18("2","6","6","10","1","2","1") = "9"
    & skf18("2","6","6","10","1","3","1") = "9"
    & skf18("2","6","6","10","1","4","1") = "9"
    & skf18("2","6","6","10","1","5","1") = "9"
    & skf18("2","6","6","10","1","6","1") = "9"
    & skf18("2","6","6","10","1","7","1") = "9"
    & skf18("2","6","6","10","1","8","1") = "9"
    & skf18("2","6","6","10","1","9","1") = "9"
    & skf18("2","6","6","10","1","10","1") = "9"
    & skf18("2","6","6","10","2","1","1") = "9"
    & skf18("2","6","6","10","2","2","1") = "9"
    & skf18("2","6","6","10","2","3","1") = "9"
    & skf18("2","6","6","10","2","4","1") = "9"
    & skf18("2","6","6","10","2","5","1") = "9"
    & skf18("2","6","6","10","2","6","1") = "9"
    & skf18("2","6","6","10","2","7","1") = "9"
    & skf18("2","6","6","10","2","8","1") = "9"
    & skf18("2","6","6","10","2","9","1") = "9"
    & skf18("2","6","6","10","2","10","1") = "9"
    & skf18("2","6","6","10","3","1","1") = "9"
    & skf18("2","6","6","10","3","2","1") = "9"
    & skf18("2","6","6","10","3","3","1") = "9"
    & skf18("2","6","6","10","3","4","1") = "9"
    & skf18("2","6","6","10","3","5","1") = "9"
    & skf18("2","6","6","10","3","6","1") = "9"
    & skf18("2","6","6","10","3","7","1") = "9"
    & skf18("2","6","6","10","3","8","1") = "9"
    & skf18("2","6","6","10","3","9","1") = "9"
    & skf18("2","6","6","10","3","10","1") = "9"
    & skf18("2","6","6","10","4","1","1") = "9"
    & skf18("2","6","6","10","4","2","1") = "9"
    & skf18("2","6","6","10","4","3","1") = "9"
    & skf18("2","6","6","10","4","4","1") = "9"
    & skf18("2","6","6","10","4","5","1") = "9"
    & skf18("2","6","6","10","4","6","1") = "9"
    & skf18("2","6","6","10","4","7","1") = "9"
    & skf18("2","6","6","10","4","8","1") = "9"
    & skf18("2","6","6","10","4","9","1") = "9"
    & skf18("2","6","6","10","4","10","1") = "9"
    & skf18("2","6","6","10","5","1","1") = "9"
    & skf18("2","6","6","10","5","2","1") = "9"
    & skf18("2","6","6","10","5","3","1") = "9"
    & skf18("2","6","6","10","5","4","1") = "9"
    & skf18("2","6","6","10","5","5","1") = "9"
    & skf18("2","6","6","10","5","6","1") = "9"
    & skf18("2","6","6","10","5","7","1") = "9"
    & skf18("2","6","6","10","5","8","1") = "9"
    & skf18("2","6","6","10","5","9","1") = "9"
    & skf18("2","6","6","10","5","10","1") = "9"
    & skf18("2","6","6","10","6","1","1") = "9"
    & skf18("2","6","6","10","6","2","1") = "9"
    & skf18("2","6","6","10","6","3","1") = "9"
    & skf18("2","6","6","10","6","4","1") = "9"
    & skf18("2","6","6","10","6","5","1") = "9"
    & skf18("2","6","6","10","6","6","1") = "9"
    & skf18("2","6","6","10","6","7","1") = "9"
    & skf18("2","6","6","10","6","8","1") = "9"
    & skf18("2","6","6","10","6","9","1") = "9"
    & skf18("2","6","6","10","6","10","1") = "9"
    & skf18("2","6","6","10","7","1","1") = "9"
    & skf18("2","6","6","10","7","2","1") = "9"
    & skf18("2","6","6","10","7","3","1") = "9"
    & skf18("2","6","6","10","7","4","1") = "9"
    & skf18("2","6","6","10","7","5","1") = "9"
    & skf18("2","6","6","10","7","6","1") = "9"
    & skf18("2","6","6","10","7","7","1") = "9"
    & skf18("2","6","6","10","7","8","1") = "9"
    & skf18("2","6","6","10","7","9","1") = "9"
    & skf18("2","6","6","10","7","10","1") = "9"
    & skf18("2","6","6","10","8","1","1") = "9"
    & skf18("2","6","6","10","8","2","1") = "9"
    & skf18("2","6","6","10","8","3","1") = "9"
    & skf18("2","6","6","10","8","4","1") = "9"
    & skf18("2","6","6","10","8","5","1") = "9"
    & skf18("2","6","6","10","8","6","1") = "9"
    & skf18("2","6","6","10","8","7","1") = "9"
    & skf18("2","6","6","10","8","8","1") = "9"
    & skf18("2","6","6","10","8","9","1") = "9"
    & skf18("2","6","6","10","8","10","1") = "9"
    & skf18("2","6","6","10","9","1","1") = "9"
    & skf18("2","6","6","10","9","2","1") = "9"
    & skf18("2","6","6","10","9","3","1") = "9"
    & skf18("2","6","6","10","9","4","1") = "9"
    & skf18("2","6","6","10","9","5","1") = "9"
    & skf18("2","6","6","10","9","6","1") = "9"
    & skf18("2","6","6","10","9","7","1") = "9"
    & skf18("2","6","6","10","9","8","1") = "9"
    & skf18("2","6","6","10","9","9","1") = "9"
    & skf18("2","6","6","10","9","10","1") = "9"
    & skf18("2","6","6","10","10","1","1") = "9"
    & skf18("2","6","6","10","10","2","1") = "9"
    & skf18("2","6","6","10","10","3","1") = "9"
    & skf18("2","6","6","10","10","4","1") = "9"
    & skf18("2","6","6","10","10","5","1") = "9"
    & skf18("2","6","6","10","10","6","1") = "9"
    & skf18("2","6","6","10","10","7","1") = "9"
    & skf18("2","6","6","10","10","8","1") = "9"
    & skf18("2","6","6","10","10","9","1") = "9"
    & skf18("2","6","6","10","10","10","1") = "9"
    & skf18("2","6","7","1","1","1","1") = "6"
    & skf18("2","6","7","1","1","2","1") = "6"
    & skf18("2","6","7","1","1","3","1") = "6"
    & skf18("2","6","7","1","1","4","1") = "6"
    & skf18("2","6","7","1","1","5","1") = "6"
    & skf18("2","6","7","1","1","6","1") = "6"
    & skf18("2","6","7","1","1","7","1") = "6"
    & skf18("2","6","7","1","1","8","1") = "7"
    & skf18("2","6","7","1","1","9","1") = "8"
    & skf18("2","6","7","1","1","10","1") = "9"
    & skf18("2","6","7","1","2","1","1") = "6"
    & skf18("2","6","7","1","2","2","1") = "6"
    & skf18("2","6","7","1","2","3","1") = "6"
    & skf18("2","6","7","1","2","4","1") = "6"
    & skf18("2","6","7","1","2","5","1") = "6"
    & skf18("2","6","7","1","2","6","1") = "6"
    & skf18("2","6","7","1","2","7","1") = "6"
    & skf18("2","6","7","1","2","8","1") = "7"
    & skf18("2","6","7","1","2","9","1") = "8"
    & skf18("2","6","7","1","2","10","1") = "9"
    & skf18("2","6","7","1","3","1","1") = "6"
    & skf18("2","6","7","1","3","2","1") = "6"
    & skf18("2","6","7","1","3","3","1") = "6"
    & skf18("2","6","7","1","3","4","1") = "6"
    & skf18("2","6","7","1","3","5","1") = "6"
    & skf18("2","6","7","1","3","6","1") = "6"
    & skf18("2","6","7","1","3","7","1") = "6"
    & skf18("2","6","7","1","3","8","1") = "7"
    & skf18("2","6","7","1","3","9","1") = "8"
    & skf18("2","6","7","1","3","10","1") = "9"
    & skf18("2","6","7","1","4","1","1") = "6"
    & skf18("2","6","7","1","4","2","1") = "6"
    & skf18("2","6","7","1","4","3","1") = "6"
    & skf18("2","6","7","1","4","4","1") = "6"
    & skf18("2","6","7","1","4","5","1") = "6"
    & skf18("2","6","7","1","4","6","1") = "6"
    & skf18("2","6","7","1","4","7","1") = "6"
    & skf18("2","6","7","1","4","8","1") = "7"
    & skf18("2","6","7","1","4","9","1") = "8"
    & skf18("2","6","7","1","4","10","1") = "9"
    & skf18("2","6","7","1","5","1","1") = "6"
    & skf18("2","6","7","1","5","2","1") = "6"
    & skf18("2","6","7","1","5","3","1") = "6"
    & skf18("2","6","7","1","5","4","1") = "6"
    & skf18("2","6","7","1","5","5","1") = "6"
    & skf18("2","6","7","1","5","6","1") = "6"
    & skf18("2","6","7","1","5","7","1") = "6"
    & skf18("2","6","7","1","5","8","1") = "7"
    & skf18("2","6","7","1","5","9","1") = "8"
    & skf18("2","6","7","1","5","10","1") = "9"
    & skf18("2","6","7","1","6","1","1") = "6"
    & skf18("2","6","7","1","6","2","1") = "6"
    & skf18("2","6","7","1","6","3","1") = "6"
    & skf18("2","6","7","1","6","4","1") = "6"
    & skf18("2","6","7","1","6","5","1") = "6"
    & skf18("2","6","7","1","6","6","1") = "6"
    & skf18("2","6","7","1","6","7","1") = "6"
    & skf18("2","6","7","1","6","8","1") = "7"
    & skf18("2","6","7","1","6","9","1") = "8"
    & skf18("2","6","7","1","6","10","1") = "9"
    & skf18("2","6","7","1","7","1","1") = "6"
    & skf18("2","6","7","1","7","2","1") = "6"
    & skf18("2","6","7","1","7","3","1") = "6"
    & skf18("2","6","7","1","7","4","1") = "6"
    & skf18("2","6","7","1","7","5","1") = "6"
    & skf18("2","6","7","1","7","6","1") = "6"
    & skf18("2","6","7","1","7","7","1") = "6"
    & skf18("2","6","7","1","7","8","1") = "7"
    & skf18("2","6","7","1","7","9","1") = "8"
    & skf18("2","6","7","1","7","10","1") = "9"
    & skf18("2","6","7","1","8","1","1") = "7"
    & skf18("2","6","7","1","8","2","1") = "7"
    & skf18("2","6","7","1","8","3","1") = "7"
    & skf18("2","6","7","1","8","4","1") = "7"
    & skf18("2","6","7","1","8","5","1") = "7"
    & skf18("2","6","7","1","8","6","1") = "7"
    & skf18("2","6","7","1","8","7","1") = "7"
    & skf18("2","6","7","1","8","8","1") = "7"
    & skf18("2","6","7","1","8","9","1") = "8"
    & skf18("2","6","7","1","8","10","1") = "9"
    & skf18("2","6","7","1","9","1","1") = "8"
    & skf18("2","6","7","1","9","2","1") = "8"
    & skf18("2","6","7","1","9","3","1") = "8"
    & skf18("2","6","7","1","9","4","1") = "8"
    & skf18("2","6","7","1","9","5","1") = "8"
    & skf18("2","6","7","1","9","6","1") = "8"
    & skf18("2","6","7","1","9","7","1") = "8"
    & skf18("2","6","7","1","9","8","1") = "8"
    & skf18("2","6","7","1","9","9","1") = "8"
    & skf18("2","6","7","1","9","10","1") = "9"
    & skf18("2","6","7","1","10","1","1") = "9"
    & skf18("2","6","7","1","10","2","1") = "9"
    & skf18("2","6","7","1","10","3","1") = "9"
    & skf18("2","6","7","1","10","4","1") = "9"
    & skf18("2","6","7","1","10","5","1") = "9"
    & skf18("2","6","7","1","10","6","1") = "9"
    & skf18("2","6","7","1","10","7","1") = "9"
    & skf18("2","6","7","1","10","8","1") = "9"
    & skf18("2","6","7","1","10","9","1") = "9"
    & skf18("2","6","7","1","10","10","1") = "9"
    & skf18("2","6","7","2","1","1","1") = "6"
    & skf18("2","6","7","2","1","2","1") = "6"
    & skf18("2","6","7","2","1","3","1") = "6"
    & skf18("2","6","7","2","1","4","1") = "6"
    & skf18("2","6","7","2","1","5","1") = "6"
    & skf18("2","6","7","2","1","6","1") = "6"
    & skf18("2","6","7","2","1","7","1") = "6"
    & skf18("2","6","7","2","1","8","1") = "7"
    & skf18("2","6","7","2","1","9","1") = "8"
    & skf18("2","6","7","2","1","10","1") = "9"
    & skf18("2","6","7","2","2","1","1") = "6"
    & skf18("2","6","7","2","2","2","1") = "6"
    & skf18("2","6","7","2","2","3","1") = "6"
    & skf18("2","6","7","2","2","4","1") = "6"
    & skf18("2","6","7","2","2","5","1") = "6"
    & skf18("2","6","7","2","2","6","1") = "6"
    & skf18("2","6","7","2","2","7","1") = "6"
    & skf18("2","6","7","2","2","8","1") = "7"
    & skf18("2","6","7","2","2","9","1") = "8"
    & skf18("2","6","7","2","2","10","1") = "9"
    & skf18("2","6","7","2","3","1","1") = "6"
    & skf18("2","6","7","2","3","2","1") = "6"
    & skf18("2","6","7","2","3","3","1") = "6"
    & skf18("2","6","7","2","3","4","1") = "6"
    & skf18("2","6","7","2","3","5","1") = "6"
    & skf18("2","6","7","2","3","6","1") = "6"
    & skf18("2","6","7","2","3","7","1") = "6"
    & skf18("2","6","7","2","3","8","1") = "7"
    & skf18("2","6","7","2","3","9","1") = "8"
    & skf18("2","6","7","2","3","10","1") = "9"
    & skf18("2","6","7","2","4","1","1") = "6"
    & skf18("2","6","7","2","4","2","1") = "6"
    & skf18("2","6","7","2","4","3","1") = "6"
    & skf18("2","6","7","2","4","4","1") = "6"
    & skf18("2","6","7","2","4","5","1") = "6"
    & skf18("2","6","7","2","4","6","1") = "6"
    & skf18("2","6","7","2","4","7","1") = "6"
    & skf18("2","6","7","2","4","8","1") = "7"
    & skf18("2","6","7","2","4","9","1") = "8"
    & skf18("2","6","7","2","4","10","1") = "9"
    & skf18("2","6","7","2","5","1","1") = "6"
    & skf18("2","6","7","2","5","2","1") = "6"
    & skf18("2","6","7","2","5","3","1") = "6"
    & skf18("2","6","7","2","5","4","1") = "6"
    & skf18("2","6","7","2","5","5","1") = "6"
    & skf18("2","6","7","2","5","6","1") = "6"
    & skf18("2","6","7","2","5","7","1") = "6"
    & skf18("2","6","7","2","5","8","1") = "7"
    & skf18("2","6","7","2","5","9","1") = "8"
    & skf18("2","6","7","2","5","10","1") = "9"
    & skf18("2","6","7","2","6","1","1") = "6"
    & skf18("2","6","7","2","6","2","1") = "6"
    & skf18("2","6","7","2","6","3","1") = "6"
    & skf18("2","6","7","2","6","4","1") = "6"
    & skf18("2","6","7","2","6","5","1") = "6"
    & skf18("2","6","7","2","6","6","1") = "6"
    & skf18("2","6","7","2","6","7","1") = "6"
    & skf18("2","6","7","2","6","8","1") = "7"
    & skf18("2","6","7","2","6","9","1") = "8"
    & skf18("2","6","7","2","6","10","1") = "9"
    & skf18("2","6","7","2","7","1","1") = "6"
    & skf18("2","6","7","2","7","2","1") = "6"
    & skf18("2","6","7","2","7","3","1") = "6"
    & skf18("2","6","7","2","7","4","1") = "6"
    & skf18("2","6","7","2","7","5","1") = "6"
    & skf18("2","6","7","2","7","6","1") = "6"
    & skf18("2","6","7","2","7","7","1") = "6"
    & skf18("2","6","7","2","7","8","1") = "7"
    & skf18("2","6","7","2","7","9","1") = "8"
    & skf18("2","6","7","2","7","10","1") = "9"
    & skf18("2","6","7","2","8","1","1") = "7"
    & skf18("2","6","7","2","8","2","1") = "7"
    & skf18("2","6","7","2","8","3","1") = "7"
    & skf18("2","6","7","2","8","4","1") = "7"
    & skf18("2","6","7","2","8","5","1") = "7"
    & skf18("2","6","7","2","8","6","1") = "7"
    & skf18("2","6","7","2","8","7","1") = "7"
    & skf18("2","6","7","2","8","8","1") = "7"
    & skf18("2","6","7","2","8","9","1") = "8"
    & skf18("2","6","7","2","8","10","1") = "9"
    & skf18("2","6","7","2","9","1","1") = "8"
    & skf18("2","6","7","2","9","2","1") = "8"
    & skf18("2","6","7","2","9","3","1") = "8"
    & skf18("2","6","7","2","9","4","1") = "8"
    & skf18("2","6","7","2","9","5","1") = "8"
    & skf18("2","6","7","2","9","6","1") = "8"
    & skf18("2","6","7","2","9","7","1") = "8"
    & skf18("2","6","7","2","9","8","1") = "8"
    & skf18("2","6","7","2","9","9","1") = "8"
    & skf18("2","6","7","2","9","10","1") = "9"
    & skf18("2","6","7","2","10","1","1") = "9"
    & skf18("2","6","7","2","10","2","1") = "9"
    & skf18("2","6","7","2","10","3","1") = "9"
    & skf18("2","6","7","2","10","4","1") = "9"
    & skf18("2","6","7","2","10","5","1") = "9"
    & skf18("2","6","7","2","10","6","1") = "9"
    & skf18("2","6","7","2","10","7","1") = "9"
    & skf18("2","6","7","2","10","8","1") = "9"
    & skf18("2","6","7","2","10","9","1") = "9"
    & skf18("2","6","7","2","10","10","1") = "9"
    & skf18("2","6","7","3","1","1","1") = "6"
    & skf18("2","6","7","3","1","2","1") = "6"
    & skf18("2","6","7","3","1","3","1") = "6"
    & skf18("2","6","7","3","1","4","1") = "6"
    & skf18("2","6","7","3","1","5","1") = "6"
    & skf18("2","6","7","3","1","6","1") = "6"
    & skf18("2","6","7","3","1","7","1") = "6"
    & skf18("2","6","7","3","1","8","1") = "7"
    & skf18("2","6","7","3","1","9","1") = "8"
    & skf18("2","6","7","3","1","10","1") = "9"
    & skf18("2","6","7","3","2","1","1") = "6"
    & skf18("2","6","7","3","2","2","1") = "6"
    & skf18("2","6","7","3","2","3","1") = "6"
    & skf18("2","6","7","3","2","4","1") = "6"
    & skf18("2","6","7","3","2","5","1") = "6"
    & skf18("2","6","7","3","2","6","1") = "6"
    & skf18("2","6","7","3","2","7","1") = "6"
    & skf18("2","6","7","3","2","8","1") = "7"
    & skf18("2","6","7","3","2","9","1") = "8"
    & skf18("2","6","7","3","2","10","1") = "9"
    & skf18("2","6","7","3","3","1","1") = "6"
    & skf18("2","6","7","3","3","2","1") = "6"
    & skf18("2","6","7","3","3","3","1") = "6"
    & skf18("2","6","7","3","3","4","1") = "6"
    & skf18("2","6","7","3","3","5","1") = "6"
    & skf18("2","6","7","3","3","6","1") = "6"
    & skf18("2","6","7","3","3","7","1") = "6"
    & skf18("2","6","7","3","3","8","1") = "7"
    & skf18("2","6","7","3","3","9","1") = "8"
    & skf18("2","6","7","3","3","10","1") = "9"
    & skf18("2","6","7","3","4","1","1") = "6"
    & skf18("2","6","7","3","4","2","1") = "6"
    & skf18("2","6","7","3","4","3","1") = "6"
    & skf18("2","6","7","3","4","4","1") = "6"
    & skf18("2","6","7","3","4","5","1") = "6"
    & skf18("2","6","7","3","4","6","1") = "6"
    & skf18("2","6","7","3","4","7","1") = "6"
    & skf18("2","6","7","3","4","8","1") = "7"
    & skf18("2","6","7","3","4","9","1") = "8"
    & skf18("2","6","7","3","4","10","1") = "9"
    & skf18("2","6","7","3","5","1","1") = "6"
    & skf18("2","6","7","3","5","2","1") = "6"
    & skf18("2","6","7","3","5","3","1") = "6"
    & skf18("2","6","7","3","5","4","1") = "6"
    & skf18("2","6","7","3","5","5","1") = "6"
    & skf18("2","6","7","3","5","6","1") = "6"
    & skf18("2","6","7","3","5","7","1") = "6"
    & skf18("2","6","7","3","5","8","1") = "7"
    & skf18("2","6","7","3","5","9","1") = "8"
    & skf18("2","6","7","3","5","10","1") = "9"
    & skf18("2","6","7","3","6","1","1") = "6"
    & skf18("2","6","7","3","6","2","1") = "6"
    & skf18("2","6","7","3","6","3","1") = "6"
    & skf18("2","6","7","3","6","4","1") = "6"
    & skf18("2","6","7","3","6","5","1") = "6"
    & skf18("2","6","7","3","6","6","1") = "6"
    & skf18("2","6","7","3","6","7","1") = "6"
    & skf18("2","6","7","3","6","8","1") = "7"
    & skf18("2","6","7","3","6","9","1") = "8"
    & skf18("2","6","7","3","6","10","1") = "9"
    & skf18("2","6","7","3","7","1","1") = "6"
    & skf18("2","6","7","3","7","2","1") = "6"
    & skf18("2","6","7","3","7","3","1") = "6"
    & skf18("2","6","7","3","7","4","1") = "6"
    & skf18("2","6","7","3","7","5","1") = "6"
    & skf18("2","6","7","3","7","6","1") = "6"
    & skf18("2","6","7","3","7","7","1") = "6"
    & skf18("2","6","7","3","7","8","1") = "7"
    & skf18("2","6","7","3","7","9","1") = "8"
    & skf18("2","6","7","3","7","10","1") = "9"
    & skf18("2","6","7","3","8","1","1") = "7"
    & skf18("2","6","7","3","8","2","1") = "7"
    & skf18("2","6","7","3","8","3","1") = "7"
    & skf18("2","6","7","3","8","4","1") = "7"
    & skf18("2","6","7","3","8","5","1") = "7"
    & skf18("2","6","7","3","8","6","1") = "7"
    & skf18("2","6","7","3","8","7","1") = "7"
    & skf18("2","6","7","3","8","8","1") = "7"
    & skf18("2","6","7","3","8","9","1") = "8"
    & skf18("2","6","7","3","8","10","1") = "9"
    & skf18("2","6","7","3","9","1","1") = "8"
    & skf18("2","6","7","3","9","2","1") = "8"
    & skf18("2","6","7","3","9","3","1") = "8"
    & skf18("2","6","7","3","9","4","1") = "8"
    & skf18("2","6","7","3","9","5","1") = "8"
    & skf18("2","6","7","3","9","6","1") = "8"
    & skf18("2","6","7","3","9","7","1") = "8"
    & skf18("2","6","7","3","9","8","1") = "8"
    & skf18("2","6","7","3","9","9","1") = "8"
    & skf18("2","6","7","3","9","10","1") = "9"
    & skf18("2","6","7","3","10","1","1") = "9"
    & skf18("2","6","7","3","10","2","1") = "9"
    & skf18("2","6","7","3","10","3","1") = "9"
    & skf18("2","6","7","3","10","4","1") = "9"
    & skf18("2","6","7","3","10","5","1") = "9"
    & skf18("2","6","7","3","10","6","1") = "9"
    & skf18("2","6","7","3","10","7","1") = "9"
    & skf18("2","6","7","3","10","8","1") = "9"
    & skf18("2","6","7","3","10","9","1") = "9"
    & skf18("2","6","7","3","10","10","1") = "9"
    & skf18("2","6","7","4","1","1","1") = "6"
    & skf18("2","6","7","4","1","2","1") = "6"
    & skf18("2","6","7","4","1","3","1") = "6"
    & skf18("2","6","7","4","1","4","1") = "6"
    & skf18("2","6","7","4","1","5","1") = "6"
    & skf18("2","6","7","4","1","6","1") = "6"
    & skf18("2","6","7","4","1","7","1") = "6"
    & skf18("2","6","7","4","1","8","1") = "7"
    & skf18("2","6","7","4","1","9","1") = "8"
    & skf18("2","6","7","4","1","10","1") = "9"
    & skf18("2","6","7","4","2","1","1") = "6"
    & skf18("2","6","7","4","2","2","1") = "6"
    & skf18("2","6","7","4","2","3","1") = "6"
    & skf18("2","6","7","4","2","4","1") = "6"
    & skf18("2","6","7","4","2","5","1") = "6"
    & skf18("2","6","7","4","2","6","1") = "6"
    & skf18("2","6","7","4","2","7","1") = "6"
    & skf18("2","6","7","4","2","8","1") = "7"
    & skf18("2","6","7","4","2","9","1") = "8"
    & skf18("2","6","7","4","2","10","1") = "9"
    & skf18("2","6","7","4","3","1","1") = "6"
    & skf18("2","6","7","4","3","2","1") = "6"
    & skf18("2","6","7","4","3","3","1") = "6"
    & skf18("2","6","7","4","3","4","1") = "6"
    & skf18("2","6","7","4","3","5","1") = "6"
    & skf18("2","6","7","4","3","6","1") = "6"
    & skf18("2","6","7","4","3","7","1") = "6"
    & skf18("2","6","7","4","3","8","1") = "7"
    & skf18("2","6","7","4","3","9","1") = "8"
    & skf18("2","6","7","4","3","10","1") = "9"
    & skf18("2","6","7","4","4","1","1") = "6"
    & skf18("2","6","7","4","4","2","1") = "6"
    & skf18("2","6","7","4","4","3","1") = "6"
    & skf18("2","6","7","4","4","4","1") = "6"
    & skf18("2","6","7","4","4","5","1") = "6"
    & skf18("2","6","7","4","4","6","1") = "6"
    & skf18("2","6","7","4","4","7","1") = "6"
    & skf18("2","6","7","4","4","8","1") = "7"
    & skf18("2","6","7","4","4","9","1") = "8"
    & skf18("2","6","7","4","4","10","1") = "9"
    & skf18("2","6","7","4","5","1","1") = "6"
    & skf18("2","6","7","4","5","2","1") = "6"
    & skf18("2","6","7","4","5","3","1") = "6"
    & skf18("2","6","7","4","5","4","1") = "6"
    & skf18("2","6","7","4","5","5","1") = "6"
    & skf18("2","6","7","4","5","6","1") = "6"
    & skf18("2","6","7","4","5","7","1") = "6"
    & skf18("2","6","7","4","5","8","1") = "7"
    & skf18("2","6","7","4","5","9","1") = "8"
    & skf18("2","6","7","4","5","10","1") = "9"
    & skf18("2","6","7","4","6","1","1") = "6"
    & skf18("2","6","7","4","6","2","1") = "6"
    & skf18("2","6","7","4","6","3","1") = "6"
    & skf18("2","6","7","4","6","4","1") = "6"
    & skf18("2","6","7","4","6","5","1") = "6"
    & skf18("2","6","7","4","6","6","1") = "6"
    & skf18("2","6","7","4","6","7","1") = "6"
    & skf18("2","6","7","4","6","8","1") = "7"
    & skf18("2","6","7","4","6","9","1") = "8"
    & skf18("2","6","7","4","6","10","1") = "9"
    & skf18("2","6","7","4","7","1","1") = "6"
    & skf18("2","6","7","4","7","2","1") = "6"
    & skf18("2","6","7","4","7","3","1") = "6"
    & skf18("2","6","7","4","7","4","1") = "6"
    & skf18("2","6","7","4","7","5","1") = "6"
    & skf18("2","6","7","4","7","6","1") = "6"
    & skf18("2","6","7","4","7","7","1") = "6"
    & skf18("2","6","7","4","7","8","1") = "7"
    & skf18("2","6","7","4","7","9","1") = "8"
    & skf18("2","6","7","4","7","10","1") = "9"
    & skf18("2","6","7","4","8","1","1") = "7"
    & skf18("2","6","7","4","8","2","1") = "7"
    & skf18("2","6","7","4","8","3","1") = "7"
    & skf18("2","6","7","4","8","4","1") = "7"
    & skf18("2","6","7","4","8","5","1") = "7"
    & skf18("2","6","7","4","8","6","1") = "7"
    & skf18("2","6","7","4","8","7","1") = "7"
    & skf18("2","6","7","4","8","8","1") = "7"
    & skf18("2","6","7","4","8","9","1") = "8"
    & skf18("2","6","7","4","8","10","1") = "9"
    & skf18("2","6","7","4","9","1","1") = "8"
    & skf18("2","6","7","4","9","2","1") = "8"
    & skf18("2","6","7","4","9","3","1") = "8"
    & skf18("2","6","7","4","9","4","1") = "8"
    & skf18("2","6","7","4","9","5","1") = "8"
    & skf18("2","6","7","4","9","6","1") = "8"
    & skf18("2","6","7","4","9","7","1") = "8"
    & skf18("2","6","7","4","9","8","1") = "8"
    & skf18("2","6","7","4","9","9","1") = "8"
    & skf18("2","6","7","4","9","10","1") = "9"
    & skf18("2","6","7","4","10","1","1") = "9"
    & skf18("2","6","7","4","10","2","1") = "9"
    & skf18("2","6","7","4","10","3","1") = "9"
    & skf18("2","6","7","4","10","4","1") = "9"
    & skf18("2","6","7","4","10","5","1") = "9"
    & skf18("2","6","7","4","10","6","1") = "9"
    & skf18("2","6","7","4","10","7","1") = "9"
    & skf18("2","6","7","4","10","8","1") = "9"
    & skf18("2","6","7","4","10","9","1") = "9"
    & skf18("2","6","7","4","10","10","1") = "9"
    & skf18("2","6","7","5","1","1","1") = "6"
    & skf18("2","6","7","5","1","2","1") = "6"
    & skf18("2","6","7","5","1","3","1") = "6"
    & skf18("2","6","7","5","1","4","1") = "6"
    & skf18("2","6","7","5","1","5","1") = "6"
    & skf18("2","6","7","5","1","6","1") = "6"
    & skf18("2","6","7","5","1","7","1") = "6"
    & skf18("2","6","7","5","1","8","1") = "7"
    & skf18("2","6","7","5","1","9","1") = "8"
    & skf18("2","6","7","5","1","10","1") = "9"
    & skf18("2","6","7","5","2","1","1") = "6"
    & skf18("2","6","7","5","2","2","1") = "6"
    & skf18("2","6","7","5","2","3","1") = "6"
    & skf18("2","6","7","5","2","4","1") = "6"
    & skf18("2","6","7","5","2","5","1") = "6"
    & skf18("2","6","7","5","2","6","1") = "6"
    & skf18("2","6","7","5","2","7","1") = "6"
    & skf18("2","6","7","5","2","8","1") = "7"
    & skf18("2","6","7","5","2","9","1") = "8"
    & skf18("2","6","7","5","2","10","1") = "9"
    & skf18("2","6","7","5","3","1","1") = "6"
    & skf18("2","6","7","5","3","2","1") = "6"
    & skf18("2","6","7","5","3","3","1") = "6"
    & skf18("2","6","7","5","3","4","1") = "6"
    & skf18("2","6","7","5","3","5","1") = "6"
    & skf18("2","6","7","5","3","6","1") = "6"
    & skf18("2","6","7","5","3","7","1") = "6"
    & skf18("2","6","7","5","3","8","1") = "7"
    & skf18("2","6","7","5","3","9","1") = "8"
    & skf18("2","6","7","5","3","10","1") = "9"
    & skf18("2","6","7","5","4","1","1") = "6"
    & skf18("2","6","7","5","4","2","1") = "6"
    & skf18("2","6","7","5","4","3","1") = "6"
    & skf18("2","6","7","5","4","4","1") = "6"
    & skf18("2","6","7","5","4","5","1") = "6"
    & skf18("2","6","7","5","4","6","1") = "6"
    & skf18("2","6","7","5","4","7","1") = "6"
    & skf18("2","6","7","5","4","8","1") = "7"
    & skf18("2","6","7","5","4","9","1") = "8"
    & skf18("2","6","7","5","4","10","1") = "9"
    & skf18("2","6","7","5","5","1","1") = "6"
    & skf18("2","6","7","5","5","2","1") = "6"
    & skf18("2","6","7","5","5","3","1") = "6"
    & skf18("2","6","7","5","5","4","1") = "6"
    & skf18("2","6","7","5","5","5","1") = "6"
    & skf18("2","6","7","5","5","6","1") = "6"
    & skf18("2","6","7","5","5","7","1") = "6"
    & skf18("2","6","7","5","5","8","1") = "7"
    & skf18("2","6","7","5","5","9","1") = "8"
    & skf18("2","6","7","5","5","10","1") = "9"
    & skf18("2","6","7","5","6","1","1") = "6"
    & skf18("2","6","7","5","6","2","1") = "6"
    & skf18("2","6","7","5","6","3","1") = "6"
    & skf18("2","6","7","5","6","4","1") = "6"
    & skf18("2","6","7","5","6","5","1") = "6"
    & skf18("2","6","7","5","6","6","1") = "6"
    & skf18("2","6","7","5","6","7","1") = "6"
    & skf18("2","6","7","5","6","8","1") = "7"
    & skf18("2","6","7","5","6","9","1") = "8"
    & skf18("2","6","7","5","6","10","1") = "9"
    & skf18("2","6","7","5","7","1","1") = "6"
    & skf18("2","6","7","5","7","2","1") = "6"
    & skf18("2","6","7","5","7","3","1") = "6"
    & skf18("2","6","7","5","7","4","1") = "6"
    & skf18("2","6","7","5","7","5","1") = "6"
    & skf18("2","6","7","5","7","6","1") = "6"
    & skf18("2","6","7","5","7","7","1") = "6"
    & skf18("2","6","7","5","7","8","1") = "7"
    & skf18("2","6","7","5","7","9","1") = "8"
    & skf18("2","6","7","5","7","10","1") = "9"
    & skf18("2","6","7","5","8","1","1") = "7"
    & skf18("2","6","7","5","8","2","1") = "7"
    & skf18("2","6","7","5","8","3","1") = "7"
    & skf18("2","6","7","5","8","4","1") = "7"
    & skf18("2","6","7","5","8","5","1") = "7"
    & skf18("2","6","7","5","8","6","1") = "7"
    & skf18("2","6","7","5","8","7","1") = "7"
    & skf18("2","6","7","5","8","8","1") = "7"
    & skf18("2","6","7","5","8","9","1") = "8"
    & skf18("2","6","7","5","8","10","1") = "9"
    & skf18("2","6","7","5","9","1","1") = "8"
    & skf18("2","6","7","5","9","2","1") = "8"
    & skf18("2","6","7","5","9","3","1") = "8"
    & skf18("2","6","7","5","9","4","1") = "8"
    & skf18("2","6","7","5","9","5","1") = "8"
    & skf18("2","6","7","5","9","6","1") = "8"
    & skf18("2","6","7","5","9","7","1") = "8"
    & skf18("2","6","7","5","9","8","1") = "8"
    & skf18("2","6","7","5","9","9","1") = "8"
    & skf18("2","6","7","5","9","10","1") = "9"
    & skf18("2","6","7","5","10","1","1") = "9"
    & skf18("2","6","7","5","10","2","1") = "9"
    & skf18("2","6","7","5","10","3","1") = "9"
    & skf18("2","6","7","5","10","4","1") = "9"
    & skf18("2","6","7","5","10","5","1") = "9"
    & skf18("2","6","7","5","10","6","1") = "9"
    & skf18("2","6","7","5","10","7","1") = "9"
    & skf18("2","6","7","5","10","8","1") = "9"
    & skf18("2","6","7","5","10","9","1") = "9"
    & skf18("2","6","7","5","10","10","1") = "9"
    & skf18("2","6","7","6","1","1","1") = "6"
    & skf18("2","6","7","6","1","2","1") = "6"
    & skf18("2","6","7","6","1","3","1") = "6"
    & skf18("2","6","7","6","1","4","1") = "6"
    & skf18("2","6","7","6","1","5","1") = "6"
    & skf18("2","6","7","6","1","6","1") = "6"
    & skf18("2","6","7","6","1","7","1") = "6"
    & skf18("2","6","7","6","1","8","1") = "7"
    & skf18("2","6","7","6","1","9","1") = "8"
    & skf18("2","6","7","6","1","10","1") = "9"
    & skf18("2","6","7","6","2","1","1") = "6"
    & skf18("2","6","7","6","2","2","1") = "6"
    & skf18("2","6","7","6","2","3","1") = "6"
    & skf18("2","6","7","6","2","4","1") = "6"
    & skf18("2","6","7","6","2","5","1") = "6"
    & skf18("2","6","7","6","2","6","1") = "6"
    & skf18("2","6","7","6","2","7","1") = "6"
    & skf18("2","6","7","6","2","8","1") = "7"
    & skf18("2","6","7","6","2","9","1") = "8"
    & skf18("2","6","7","6","2","10","1") = "9"
    & skf18("2","6","7","6","3","1","1") = "6"
    & skf18("2","6","7","6","3","2","1") = "6"
    & skf18("2","6","7","6","3","3","1") = "6"
    & skf18("2","6","7","6","3","4","1") = "6"
    & skf18("2","6","7","6","3","5","1") = "6"
    & skf18("2","6","7","6","3","6","1") = "6"
    & skf18("2","6","7","6","3","7","1") = "6"
    & skf18("2","6","7","6","3","8","1") = "7"
    & skf18("2","6","7","6","3","9","1") = "8"
    & skf18("2","6","7","6","3","10","1") = "9"
    & skf18("2","6","7","6","4","1","1") = "6"
    & skf18("2","6","7","6","4","2","1") = "6"
    & skf18("2","6","7","6","4","3","1") = "6"
    & skf18("2","6","7","6","4","4","1") = "6"
    & skf18("2","6","7","6","4","5","1") = "6"
    & skf18("2","6","7","6","4","6","1") = "6"
    & skf18("2","6","7","6","4","7","1") = "6"
    & skf18("2","6","7","6","4","8","1") = "7"
    & skf18("2","6","7","6","4","9","1") = "8"
    & skf18("2","6","7","6","4","10","1") = "9"
    & skf18("2","6","7","6","5","1","1") = "6"
    & skf18("2","6","7","6","5","2","1") = "6"
    & skf18("2","6","7","6","5","3","1") = "6"
    & skf18("2","6","7","6","5","4","1") = "6"
    & skf18("2","6","7","6","5","5","1") = "6"
    & skf18("2","6","7","6","5","6","1") = "6"
    & skf18("2","6","7","6","5","7","1") = "6"
    & skf18("2","6","7","6","5","8","1") = "7"
    & skf18("2","6","7","6","5","9","1") = "8"
    & skf18("2","6","7","6","5","10","1") = "9"
    & skf18("2","6","7","6","6","1","1") = "6"
    & skf18("2","6","7","6","6","2","1") = "6"
    & skf18("2","6","7","6","6","3","1") = "6"
    & skf18("2","6","7","6","6","4","1") = "6"
    & skf18("2","6","7","6","6","5","1") = "6"
    & skf18("2","6","7","6","6","6","1") = "6"
    & skf18("2","6","7","6","6","7","1") = "6"
    & skf18("2","6","7","6","6","8","1") = "7"
    & skf18("2","6","7","6","6","9","1") = "8"
    & skf18("2","6","7","6","6","10","1") = "9"
    & skf18("2","6","7","6","7","1","1") = "6"
    & skf18("2","6","7","6","7","2","1") = "6"
    & skf18("2","6","7","6","7","3","1") = "6"
    & skf18("2","6","7","6","7","4","1") = "6"
    & skf18("2","6","7","6","7","5","1") = "6"
    & skf18("2","6","7","6","7","6","1") = "6"
    & skf18("2","6","7","6","7","7","1") = "6"
    & skf18("2","6","7","6","7","8","1") = "7"
    & skf18("2","6","7","6","7","9","1") = "8"
    & skf18("2","6","7","6","7","10","1") = "9"
    & skf18("2","6","7","6","8","1","1") = "7"
    & skf18("2","6","7","6","8","2","1") = "7"
    & skf18("2","6","7","6","8","3","1") = "7"
    & skf18("2","6","7","6","8","4","1") = "7"
    & skf18("2","6","7","6","8","5","1") = "7"
    & skf18("2","6","7","6","8","6","1") = "7"
    & skf18("2","6","7","6","8","7","1") = "7"
    & skf18("2","6","7","6","8","8","1") = "7"
    & skf18("2","6","7","6","8","9","1") = "8"
    & skf18("2","6","7","6","8","10","1") = "9"
    & skf18("2","6","7","6","9","1","1") = "8"
    & skf18("2","6","7","6","9","2","1") = "8"
    & skf18("2","6","7","6","9","3","1") = "8"
    & skf18("2","6","7","6","9","4","1") = "8"
    & skf18("2","6","7","6","9","5","1") = "8"
    & skf18("2","6","7","6","9","6","1") = "8"
    & skf18("2","6","7","6","9","7","1") = "8"
    & skf18("2","6","7","6","9","8","1") = "8"
    & skf18("2","6","7","6","9","9","1") = "8"
    & skf18("2","6","7","6","9","10","1") = "9"
    & skf18("2","6","7","6","10","1","1") = "9"
    & skf18("2","6","7","6","10","2","1") = "9"
    & skf18("2","6","7","6","10","3","1") = "9"
    & skf18("2","6","7","6","10","4","1") = "9"
    & skf18("2","6","7","6","10","5","1") = "9"
    & skf18("2","6","7","6","10","6","1") = "9"
    & skf18("2","6","7","6","10","7","1") = "9"
    & skf18("2","6","7","6","10","8","1") = "9"
    & skf18("2","6","7","6","10","9","1") = "9"
    & skf18("2","6","7","6","10","10","1") = "9"
    & skf18("2","6","7","7","1","1","1") = "6"
    & skf18("2","6","7","7","1","2","1") = "6"
    & skf18("2","6","7","7","1","3","1") = "6"
    & skf18("2","6","7","7","1","4","1") = "6"
    & skf18("2","6","7","7","1","5","1") = "6"
    & skf18("2","6","7","7","1","6","1") = "6"
    & skf18("2","6","7","7","1","7","1") = "6"
    & skf18("2","6","7","7","1","8","1") = "7"
    & skf18("2","6","7","7","1","9","1") = "8"
    & skf18("2","6","7","7","1","10","1") = "9"
    & skf18("2","6","7","7","2","1","1") = "6"
    & skf18("2","6","7","7","2","2","1") = "6"
    & skf18("2","6","7","7","2","3","1") = "6"
    & skf18("2","6","7","7","2","4","1") = "6"
    & skf18("2","6","7","7","2","5","1") = "6"
    & skf18("2","6","7","7","2","6","1") = "6"
    & skf18("2","6","7","7","2","7","1") = "6"
    & skf18("2","6","7","7","2","8","1") = "7"
    & skf18("2","6","7","7","2","9","1") = "8"
    & skf18("2","6","7","7","2","10","1") = "9"
    & skf18("2","6","7","7","3","1","1") = "6"
    & skf18("2","6","7","7","3","2","1") = "6"
    & skf18("2","6","7","7","3","3","1") = "6"
    & skf18("2","6","7","7","3","4","1") = "6"
    & skf18("2","6","7","7","3","5","1") = "6"
    & skf18("2","6","7","7","3","6","1") = "6"
    & skf18("2","6","7","7","3","7","1") = "6"
    & skf18("2","6","7","7","3","8","1") = "7"
    & skf18("2","6","7","7","3","9","1") = "8"
    & skf18("2","6","7","7","3","10","1") = "9"
    & skf18("2","6","7","7","4","1","1") = "6"
    & skf18("2","6","7","7","4","2","1") = "6"
    & skf18("2","6","7","7","4","3","1") = "6"
    & skf18("2","6","7","7","4","4","1") = "6"
    & skf18("2","6","7","7","4","5","1") = "6"
    & skf18("2","6","7","7","4","6","1") = "6"
    & skf18("2","6","7","7","4","7","1") = "6"
    & skf18("2","6","7","7","4","8","1") = "7"
    & skf18("2","6","7","7","4","9","1") = "8"
    & skf18("2","6","7","7","4","10","1") = "9"
    & skf18("2","6","7","7","5","1","1") = "6"
    & skf18("2","6","7","7","5","2","1") = "6"
    & skf18("2","6","7","7","5","3","1") = "6"
    & skf18("2","6","7","7","5","4","1") = "6"
    & skf18("2","6","7","7","5","5","1") = "6"
    & skf18("2","6","7","7","5","6","1") = "6"
    & skf18("2","6","7","7","5","7","1") = "6"
    & skf18("2","6","7","7","5","8","1") = "7"
    & skf18("2","6","7","7","5","9","1") = "8"
    & skf18("2","6","7","7","5","10","1") = "9"
    & skf18("2","6","7","7","6","1","1") = "6"
    & skf18("2","6","7","7","6","2","1") = "6"
    & skf18("2","6","7","7","6","3","1") = "6"
    & skf18("2","6","7","7","6","4","1") = "6"
    & skf18("2","6","7","7","6","5","1") = "6"
    & skf18("2","6","7","7","6","6","1") = "6"
    & skf18("2","6","7","7","6","7","1") = "6"
    & skf18("2","6","7","7","6","8","1") = "7"
    & skf18("2","6","7","7","6","9","1") = "8"
    & skf18("2","6","7","7","6","10","1") = "9"
    & skf18("2","6","7","7","7","1","1") = "6"
    & skf18("2","6","7","7","7","2","1") = "6"
    & skf18("2","6","7","7","7","3","1") = "6"
    & skf18("2","6","7","7","7","4","1") = "6"
    & skf18("2","6","7","7","7","5","1") = "6"
    & skf18("2","6","7","7","7","6","1") = "6"
    & skf18("2","6","7","7","7","7","1") = "6"
    & skf18("2","6","7","7","7","8","1") = "7"
    & skf18("2","6","7","7","7","9","1") = "8"
    & skf18("2","6","7","7","7","10","1") = "9"
    & skf18("2","6","7","7","8","1","1") = "7"
    & skf18("2","6","7","7","8","2","1") = "7"
    & skf18("2","6","7","7","8","3","1") = "7"
    & skf18("2","6","7","7","8","4","1") = "7"
    & skf18("2","6","7","7","8","5","1") = "7"
    & skf18("2","6","7","7","8","6","1") = "7"
    & skf18("2","6","7","7","8","7","1") = "7"
    & skf18("2","6","7","7","8","8","1") = "7"
    & skf18("2","6","7","7","8","9","1") = "8"
    & skf18("2","6","7","7","8","10","1") = "9"
    & skf18("2","6","7","7","9","1","1") = "8"
    & skf18("2","6","7","7","9","2","1") = "8"
    & skf18("2","6","7","7","9","3","1") = "8"
    & skf18("2","6","7","7","9","4","1") = "8"
    & skf18("2","6","7","7","9","5","1") = "8"
    & skf18("2","6","7","7","9","6","1") = "8"
    & skf18("2","6","7","7","9","7","1") = "8"
    & skf18("2","6","7","7","9","8","1") = "8"
    & skf18("2","6","7","7","9","9","1") = "8"
    & skf18("2","6","7","7","9","10","1") = "9"
    & skf18("2","6","7","7","10","1","1") = "9"
    & skf18("2","6","7","7","10","2","1") = "9"
    & skf18("2","6","7","7","10","3","1") = "9"
    & skf18("2","6","7","7","10","4","1") = "9"
    & skf18("2","6","7","7","10","5","1") = "9"
    & skf18("2","6","7","7","10","6","1") = "9"
    & skf18("2","6","7","7","10","7","1") = "9"
    & skf18("2","6","7","7","10","8","1") = "9"
    & skf18("2","6","7","7","10","9","1") = "9"
    & skf18("2","6","7","7","10","10","1") = "9"
    & skf18("2","6","7","8","1","1","1") = "7"
    & skf18("2","6","7","8","1","2","1") = "7"
    & skf18("2","6","7","8","1","3","1") = "7"
    & skf18("2","6","7","8","1","4","1") = "7"
    & skf18("2","6","7","8","1","5","1") = "7"
    & skf18("2","6","7","8","1","6","1") = "7"
    & skf18("2","6","7","8","1","7","1") = "7"
    & skf18("2","6","7","8","1","8","1") = "7"
    & skf18("2","6","7","8","1","9","1") = "8"
    & skf18("2","6","7","8","1","10","1") = "9"
    & skf18("2","6","7","8","2","1","1") = "7"
    & skf18("2","6","7","8","2","2","1") = "7"
    & skf18("2","6","7","8","2","3","1") = "7"
    & skf18("2","6","7","8","2","4","1") = "7"
    & skf18("2","6","7","8","2","5","1") = "7"
    & skf18("2","6","7","8","2","6","1") = "7"
    & skf18("2","6","7","8","2","7","1") = "7"
    & skf18("2","6","7","8","2","8","1") = "7"
    & skf18("2","6","7","8","2","9","1") = "8"
    & skf18("2","6","7","8","2","10","1") = "9"
    & skf18("2","6","7","8","3","1","1") = "7"
    & skf18("2","6","7","8","3","2","1") = "7"
    & skf18("2","6","7","8","3","3","1") = "7"
    & skf18("2","6","7","8","3","4","1") = "7"
    & skf18("2","6","7","8","3","5","1") = "7"
    & skf18("2","6","7","8","3","6","1") = "7"
    & skf18("2","6","7","8","3","7","1") = "7"
    & skf18("2","6","7","8","3","8","1") = "7"
    & skf18("2","6","7","8","3","9","1") = "8"
    & skf18("2","6","7","8","3","10","1") = "9"
    & skf18("2","6","7","8","4","1","1") = "7"
    & skf18("2","6","7","8","4","2","1") = "7"
    & skf18("2","6","7","8","4","3","1") = "7"
    & skf18("2","6","7","8","4","4","1") = "7"
    & skf18("2","6","7","8","4","5","1") = "7"
    & skf18("2","6","7","8","4","6","1") = "7"
    & skf18("2","6","7","8","4","7","1") = "7"
    & skf18("2","6","7","8","4","8","1") = "7"
    & skf18("2","6","7","8","4","9","1") = "8"
    & skf18("2","6","7","8","4","10","1") = "9"
    & skf18("2","6","7","8","5","1","1") = "7"
    & skf18("2","6","7","8","5","2","1") = "7"
    & skf18("2","6","7","8","5","3","1") = "7"
    & skf18("2","6","7","8","5","4","1") = "7"
    & skf18("2","6","7","8","5","5","1") = "7"
    & skf18("2","6","7","8","5","6","1") = "7"
    & skf18("2","6","7","8","5","7","1") = "7"
    & skf18("2","6","7","8","5","8","1") = "7"
    & skf18("2","6","7","8","5","9","1") = "8"
    & skf18("2","6","7","8","5","10","1") = "9"
    & skf18("2","6","7","8","6","1","1") = "7"
    & skf18("2","6","7","8","6","2","1") = "7"
    & skf18("2","6","7","8","6","3","1") = "7"
    & skf18("2","6","7","8","6","4","1") = "7"
    & skf18("2","6","7","8","6","5","1") = "7"
    & skf18("2","6","7","8","6","6","1") = "7"
    & skf18("2","6","7","8","6","7","1") = "7"
    & skf18("2","6","7","8","6","8","1") = "7"
    & skf18("2","6","7","8","6","9","1") = "8"
    & skf18("2","6","7","8","6","10","1") = "9"
    & skf18("2","6","7","8","7","1","1") = "7"
    & skf18("2","6","7","8","7","2","1") = "7"
    & skf18("2","6","7","8","7","3","1") = "7"
    & skf18("2","6","7","8","7","4","1") = "7"
    & skf18("2","6","7","8","7","5","1") = "7"
    & skf18("2","6","7","8","7","6","1") = "7"
    & skf18("2","6","7","8","7","7","1") = "7"
    & skf18("2","6","7","8","7","8","1") = "7"
    & skf18("2","6","7","8","7","9","1") = "8"
    & skf18("2","6","7","8","7","10","1") = "9"
    & skf18("2","6","7","8","8","1","1") = "7"
    & skf18("2","6","7","8","8","2","1") = "7"
    & skf18("2","6","7","8","8","3","1") = "7"
    & skf18("2","6","7","8","8","4","1") = "7"
    & skf18("2","6","7","8","8","5","1") = "7"
    & skf18("2","6","7","8","8","6","1") = "7"
    & skf18("2","6","7","8","8","7","1") = "7"
    & skf18("2","6","7","8","8","8","1") = "7"
    & skf18("2","6","7","8","8","9","1") = "8"
    & skf18("2","6","7","8","8","10","1") = "9"
    & skf18("2","6","7","8","9","1","1") = "8"
    & skf18("2","6","7","8","9","2","1") = "8"
    & skf18("2","6","7","8","9","3","1") = "8"
    & skf18("2","6","7","8","9","4","1") = "8"
    & skf18("2","6","7","8","9","5","1") = "8"
    & skf18("2","6","7","8","9","6","1") = "8"
    & skf18("2","6","7","8","9","7","1") = "8"
    & skf18("2","6","7","8","9","8","1") = "8"
    & skf18("2","6","7","8","9","9","1") = "8"
    & skf18("2","6","7","8","9","10","1") = "9"
    & skf18("2","6","7","8","10","1","1") = "9"
    & skf18("2","6","7","8","10","2","1") = "9"
    & skf18("2","6","7","8","10","3","1") = "9"
    & skf18("2","6","7","8","10","4","1") = "9"
    & skf18("2","6","7","8","10","5","1") = "9"
    & skf18("2","6","7","8","10","6","1") = "9"
    & skf18("2","6","7","8","10","7","1") = "9"
    & skf18("2","6","7","8","10","8","1") = "9"
    & skf18("2","6","7","8","10","9","1") = "9"
    & skf18("2","6","7","8","10","10","1") = "9"
    & skf18("2","6","7","9","1","1","1") = "8"
    & skf18("2","6","7","9","1","2","1") = "8"
    & skf18("2","6","7","9","1","3","1") = "8"
    & skf18("2","6","7","9","1","4","1") = "8"
    & skf18("2","6","7","9","1","5","1") = "8"
    & skf18("2","6","7","9","1","6","1") = "8"
    & skf18("2","6","7","9","1","7","1") = "8"
    & skf18("2","6","7","9","1","8","1") = "8"
    & skf18("2","6","7","9","1","9","1") = "8"
    & skf18("2","6","7","9","1","10","1") = "9"
    & skf18("2","6","7","9","2","1","1") = "8"
    & skf18("2","6","7","9","2","2","1") = "8"
    & skf18("2","6","7","9","2","3","1") = "8"
    & skf18("2","6","7","9","2","4","1") = "8"
    & skf18("2","6","7","9","2","5","1") = "8"
    & skf18("2","6","7","9","2","6","1") = "8"
    & skf18("2","6","7","9","2","7","1") = "8"
    & skf18("2","6","7","9","2","8","1") = "8"
    & skf18("2","6","7","9","2","9","1") = "8"
    & skf18("2","6","7","9","2","10","1") = "9"
    & skf18("2","6","7","9","3","1","1") = "8"
    & skf18("2","6","7","9","3","2","1") = "8"
    & skf18("2","6","7","9","3","3","1") = "8"
    & skf18("2","6","7","9","3","4","1") = "8"
    & skf18("2","6","7","9","3","5","1") = "8"
    & skf18("2","6","7","9","3","6","1") = "8"
    & skf18("2","6","7","9","3","7","1") = "8"
    & skf18("2","6","7","9","3","8","1") = "8"
    & skf18("2","6","7","9","3","9","1") = "8"
    & skf18("2","6","7","9","3","10","1") = "9"
    & skf18("2","6","7","9","4","1","1") = "8"
    & skf18("2","6","7","9","4","2","1") = "8"
    & skf18("2","6","7","9","4","3","1") = "8"
    & skf18("2","6","7","9","4","4","1") = "8"
    & skf18("2","6","7","9","4","5","1") = "8"
    & skf18("2","6","7","9","4","6","1") = "8"
    & skf18("2","6","7","9","4","7","1") = "8"
    & skf18("2","6","7","9","4","8","1") = "8"
    & skf18("2","6","7","9","4","9","1") = "8"
    & skf18("2","6","7","9","4","10","1") = "9"
    & skf18("2","6","7","9","5","1","1") = "8"
    & skf18("2","6","7","9","5","2","1") = "8"
    & skf18("2","6","7","9","5","3","1") = "8"
    & skf18("2","6","7","9","5","4","1") = "8"
    & skf18("2","6","7","9","5","5","1") = "8"
    & skf18("2","6","7","9","5","6","1") = "8"
    & skf18("2","6","7","9","5","7","1") = "8"
    & skf18("2","6","7","9","5","8","1") = "8"
    & skf18("2","6","7","9","5","9","1") = "8"
    & skf18("2","6","7","9","5","10","1") = "9"
    & skf18("2","6","7","9","6","1","1") = "8"
    & skf18("2","6","7","9","6","2","1") = "8"
    & skf18("2","6","7","9","6","3","1") = "8"
    & skf18("2","6","7","9","6","4","1") = "8"
    & skf18("2","6","7","9","6","5","1") = "8"
    & skf18("2","6","7","9","6","6","1") = "8"
    & skf18("2","6","7","9","6","7","1") = "8"
    & skf18("2","6","7","9","6","8","1") = "8"
    & skf18("2","6","7","9","6","9","1") = "8"
    & skf18("2","6","7","9","6","10","1") = "9"
    & skf18("2","6","7","9","7","1","1") = "8"
    & skf18("2","6","7","9","7","2","1") = "8"
    & skf18("2","6","7","9","7","3","1") = "8"
    & skf18("2","6","7","9","7","4","1") = "8"
    & skf18("2","6","7","9","7","5","1") = "8"
    & skf18("2","6","7","9","7","6","1") = "8"
    & skf18("2","6","7","9","7","7","1") = "8"
    & skf18("2","6","7","9","7","8","1") = "8"
    & skf18("2","6","7","9","7","9","1") = "8"
    & skf18("2","6","7","9","7","10","1") = "9"
    & skf18("2","6","7","9","8","1","1") = "8"
    & skf18("2","6","7","9","8","2","1") = "8"
    & skf18("2","6","7","9","8","3","1") = "8"
    & skf18("2","6","7","9","8","4","1") = "8"
    & skf18("2","6","7","9","8","5","1") = "8"
    & skf18("2","6","7","9","8","6","1") = "8"
    & skf18("2","6","7","9","8","7","1") = "8"
    & skf18("2","6","7","9","8","8","1") = "8"
    & skf18("2","6","7","9","8","9","1") = "8"
    & skf18("2","6","7","9","8","10","1") = "9"
    & skf18("2","6","7","9","9","1","1") = "8"
    & skf18("2","6","7","9","9","2","1") = "8"
    & skf18("2","6","7","9","9","3","1") = "8"
    & skf18("2","6","7","9","9","4","1") = "8"
    & skf18("2","6","7","9","9","5","1") = "8"
    & skf18("2","6","7","9","9","6","1") = "8"
    & skf18("2","6","7","9","9","7","1") = "8"
    & skf18("2","6","7","9","9","8","1") = "8"
    & skf18("2","6","7","9","9","9","1") = "8"
    & skf18("2","6","7","9","9","10","1") = "9"
    & skf18("2","6","7","9","10","1","1") = "9"
    & skf18("2","6","7","9","10","2","1") = "9"
    & skf18("2","6","7","9","10","3","1") = "9"
    & skf18("2","6","7","9","10","4","1") = "9"
    & skf18("2","6","7","9","10","5","1") = "9"
    & skf18("2","6","7","9","10","6","1") = "9"
    & skf18("2","6","7","9","10","7","1") = "9"
    & skf18("2","6","7","9","10","8","1") = "9"
    & skf18("2","6","7","9","10","9","1") = "9"
    & skf18("2","6","7","9","10","10","1") = "9"
    & skf18("2","6","7","10","1","1","1") = "9"
    & skf18("2","6","7","10","1","2","1") = "9"
    & skf18("2","6","7","10","1","3","1") = "9"
    & skf18("2","6","7","10","1","4","1") = "9"
    & skf18("2","6","7","10","1","5","1") = "9"
    & skf18("2","6","7","10","1","6","1") = "9"
    & skf18("2","6","7","10","1","7","1") = "9"
    & skf18("2","6","7","10","1","8","1") = "9"
    & skf18("2","6","7","10","1","9","1") = "9"
    & skf18("2","6","7","10","1","10","1") = "9"
    & skf18("2","6","7","10","2","1","1") = "9"
    & skf18("2","6","7","10","2","2","1") = "9"
    & skf18("2","6","7","10","2","3","1") = "9"
    & skf18("2","6","7","10","2","4","1") = "9"
    & skf18("2","6","7","10","2","5","1") = "9"
    & skf18("2","6","7","10","2","6","1") = "9"
    & skf18("2","6","7","10","2","7","1") = "9"
    & skf18("2","6","7","10","2","8","1") = "9"
    & skf18("2","6","7","10","2","9","1") = "9"
    & skf18("2","6","7","10","2","10","1") = "9"
    & skf18("2","6","7","10","3","1","1") = "9"
    & skf18("2","6","7","10","3","2","1") = "9"
    & skf18("2","6","7","10","3","3","1") = "9"
    & skf18("2","6","7","10","3","4","1") = "9"
    & skf18("2","6","7","10","3","5","1") = "9"
    & skf18("2","6","7","10","3","6","1") = "9"
    & skf18("2","6","7","10","3","7","1") = "9"
    & skf18("2","6","7","10","3","8","1") = "9"
    & skf18("2","6","7","10","3","9","1") = "9"
    & skf18("2","6","7","10","3","10","1") = "9"
    & skf18("2","6","7","10","4","1","1") = "9"
    & skf18("2","6","7","10","4","2","1") = "9"
    & skf18("2","6","7","10","4","3","1") = "9"
    & skf18("2","6","7","10","4","4","1") = "9"
    & skf18("2","6","7","10","4","5","1") = "9"
    & skf18("2","6","7","10","4","6","1") = "9"
    & skf18("2","6","7","10","4","7","1") = "9"
    & skf18("2","6","7","10","4","8","1") = "9"
    & skf18("2","6","7","10","4","9","1") = "9"
    & skf18("2","6","7","10","4","10","1") = "9"
    & skf18("2","6","7","10","5","1","1") = "9"
    & skf18("2","6","7","10","5","2","1") = "9"
    & skf18("2","6","7","10","5","3","1") = "9"
    & skf18("2","6","7","10","5","4","1") = "9"
    & skf18("2","6","7","10","5","5","1") = "9"
    & skf18("2","6","7","10","5","6","1") = "9"
    & skf18("2","6","7","10","5","7","1") = "9"
    & skf18("2","6","7","10","5","8","1") = "9"
    & skf18("2","6","7","10","5","9","1") = "9"
    & skf18("2","6","7","10","5","10","1") = "9"
    & skf18("2","6","7","10","6","1","1") = "9"
    & skf18("2","6","7","10","6","2","1") = "9"
    & skf18("2","6","7","10","6","3","1") = "9"
    & skf18("2","6","7","10","6","4","1") = "9"
    & skf18("2","6","7","10","6","5","1") = "9"
    & skf18("2","6","7","10","6","6","1") = "9"
    & skf18("2","6","7","10","6","7","1") = "9"
    & skf18("2","6","7","10","6","8","1") = "9"
    & skf18("2","6","7","10","6","9","1") = "9"
    & skf18("2","6","7","10","6","10","1") = "9"
    & skf18("2","6","7","10","7","1","1") = "9"
    & skf18("2","6","7","10","7","2","1") = "9"
    & skf18("2","6","7","10","7","3","1") = "9"
    & skf18("2","6","7","10","7","4","1") = "9"
    & skf18("2","6","7","10","7","5","1") = "9"
    & skf18("2","6","7","10","7","6","1") = "9"
    & skf18("2","6","7","10","7","7","1") = "9"
    & skf18("2","6","7","10","7","8","1") = "9"
    & skf18("2","6","7","10","7","9","1") = "9"
    & skf18("2","6","7","10","7","10","1") = "9"
    & skf18("2","6","7","10","8","1","1") = "9"
    & skf18("2","6","7","10","8","2","1") = "9"
    & skf18("2","6","7","10","8","3","1") = "9"
    & skf18("2","6","7","10","8","4","1") = "9"
    & skf18("2","6","7","10","8","5","1") = "9"
    & skf18("2","6","7","10","8","6","1") = "9"
    & skf18("2","6","7","10","8","7","1") = "9"
    & skf18("2","6","7","10","8","8","1") = "9"
    & skf18("2","6","7","10","8","9","1") = "9"
    & skf18("2","6","7","10","8","10","1") = "9"
    & skf18("2","6","7","10","9","1","1") = "9"
    & skf18("2","6","7","10","9","2","1") = "9"
    & skf18("2","6","7","10","9","3","1") = "9"
    & skf18("2","6","7","10","9","4","1") = "9"
    & skf18("2","6","7","10","9","5","1") = "9"
    & skf18("2","6","7","10","9","6","1") = "9"
    & skf18("2","6","7","10","9","7","1") = "9"
    & skf18("2","6","7","10","9","8","1") = "9"
    & skf18("2","6","7","10","9","9","1") = "9"
    & skf18("2","6","7","10","9","10","1") = "9"
    & skf18("2","6","7","10","10","1","1") = "9"
    & skf18("2","6","7","10","10","2","1") = "9"
    & skf18("2","6","7","10","10","3","1") = "9"
    & skf18("2","6","7","10","10","4","1") = "9"
    & skf18("2","6","7","10","10","5","1") = "9"
    & skf18("2","6","7","10","10","6","1") = "9"
    & skf18("2","6","7","10","10","7","1") = "9"
    & skf18("2","6","7","10","10","8","1") = "9"
    & skf18("2","6","7","10","10","9","1") = "9"
    & skf18("2","6","7","10","10","10","1") = "9"
    & skf18("2","6","8","1","1","1","1") = "7"
    & skf18("2","6","8","1","1","2","1") = "7"
    & skf18("2","6","8","1","1","3","1") = "7"
    & skf18("2","6","8","1","1","4","1") = "7"
    & skf18("2","6","8","1","1","5","1") = "7"
    & skf18("2","6","8","1","1","6","1") = "7"
    & skf18("2","6","8","1","1","7","1") = "7"
    & skf18("2","6","8","1","1","8","1") = "7"
    & skf18("2","6","8","1","1","9","1") = "8"
    & skf18("2","6","8","1","1","10","1") = "9"
    & skf18("2","6","8","1","2","1","1") = "7"
    & skf18("2","6","8","1","2","2","1") = "7"
    & skf18("2","6","8","1","2","3","1") = "7"
    & skf18("2","6","8","1","2","4","1") = "7"
    & skf18("2","6","8","1","2","5","1") = "7"
    & skf18("2","6","8","1","2","6","1") = "7"
    & skf18("2","6","8","1","2","7","1") = "7"
    & skf18("2","6","8","1","2","8","1") = "7"
    & skf18("2","6","8","1","2","9","1") = "8"
    & skf18("2","6","8","1","2","10","1") = "9"
    & skf18("2","6","8","1","3","1","1") = "7"
    & skf18("2","6","8","1","3","2","1") = "7"
    & skf18("2","6","8","1","3","3","1") = "7"
    & skf18("2","6","8","1","3","4","1") = "7"
    & skf18("2","6","8","1","3","5","1") = "7"
    & skf18("2","6","8","1","3","6","1") = "7"
    & skf18("2","6","8","1","3","7","1") = "7"
    & skf18("2","6","8","1","3","8","1") = "7"
    & skf18("2","6","8","1","3","9","1") = "8"
    & skf18("2","6","8","1","3","10","1") = "9"
    & skf18("2","6","8","1","4","1","1") = "7"
    & skf18("2","6","8","1","4","2","1") = "7"
    & skf18("2","6","8","1","4","3","1") = "7"
    & skf18("2","6","8","1","4","4","1") = "7"
    & skf18("2","6","8","1","4","5","1") = "7"
    & skf18("2","6","8","1","4","6","1") = "7"
    & skf18("2","6","8","1","4","7","1") = "7"
    & skf18("2","6","8","1","4","8","1") = "7"
    & skf18("2","6","8","1","4","9","1") = "8"
    & skf18("2","6","8","1","4","10","1") = "9"
    & skf18("2","6","8","1","5","1","1") = "7"
    & skf18("2","6","8","1","5","2","1") = "7"
    & skf18("2","6","8","1","5","3","1") = "7"
    & skf18("2","6","8","1","5","4","1") = "7"
    & skf18("2","6","8","1","5","5","1") = "7"
    & skf18("2","6","8","1","5","6","1") = "7"
    & skf18("2","6","8","1","5","7","1") = "7"
    & skf18("2","6","8","1","5","8","1") = "7"
    & skf18("2","6","8","1","5","9","1") = "8"
    & skf18("2","6","8","1","5","10","1") = "9"
    & skf18("2","6","8","1","6","1","1") = "7"
    & skf18("2","6","8","1","6","2","1") = "7"
    & skf18("2","6","8","1","6","3","1") = "7"
    & skf18("2","6","8","1","6","4","1") = "7"
    & skf18("2","6","8","1","6","5","1") = "7"
    & skf18("2","6","8","1","6","6","1") = "7"
    & skf18("2","6","8","1","6","7","1") = "7"
    & skf18("2","6","8","1","6","8","1") = "7"
    & skf18("2","6","8","1","6","9","1") = "8"
    & skf18("2","6","8","1","6","10","1") = "9"
    & skf18("2","6","8","1","7","1","1") = "7"
    & skf18("2","6","8","1","7","2","1") = "7"
    & skf18("2","6","8","1","7","3","1") = "7"
    & skf18("2","6","8","1","7","4","1") = "7"
    & skf18("2","6","8","1","7","5","1") = "7"
    & skf18("2","6","8","1","7","6","1") = "7"
    & skf18("2","6","8","1","7","7","1") = "7"
    & skf18("2","6","8","1","7","8","1") = "7"
    & skf18("2","6","8","1","7","9","1") = "8"
    & skf18("2","6","8","1","7","10","1") = "9"
    & skf18("2","6","8","1","8","1","1") = "7"
    & skf18("2","6","8","1","8","2","1") = "7"
    & skf18("2","6","8","1","8","3","1") = "7"
    & skf18("2","6","8","1","8","4","1") = "7"
    & skf18("2","6","8","1","8","5","1") = "7"
    & skf18("2","6","8","1","8","6","1") = "7"
    & skf18("2","6","8","1","8","7","1") = "7"
    & skf18("2","6","8","1","8","8","1") = "7"
    & skf18("2","6","8","1","8","9","1") = "8"
    & skf18("2","6","8","1","8","10","1") = "9"
    & skf18("2","6","8","1","9","1","1") = "8"
    & skf18("2","6","8","1","9","2","1") = "8"
    & skf18("2","6","8","1","9","3","1") = "8"
    & skf18("2","6","8","1","9","4","1") = "8"
    & skf18("2","6","8","1","9","5","1") = "8"
    & skf18("2","6","8","1","9","6","1") = "8"
    & skf18("2","6","8","1","9","7","1") = "8"
    & skf18("2","6","8","1","9","8","1") = "8"
    & skf18("2","6","8","1","9","9","1") = "8"
    & skf18("2","6","8","1","9","10","1") = "9"
    & skf18("2","6","8","1","10","1","1") = "9"
    & skf18("2","6","8","1","10","2","1") = "9"
    & skf18("2","6","8","1","10","3","1") = "9"
    & skf18("2","6","8","1","10","4","1") = "9"
    & skf18("2","6","8","1","10","5","1") = "9"
    & skf18("2","6","8","1","10","6","1") = "9"
    & skf18("2","6","8","1","10","7","1") = "9"
    & skf18("2","6","8","1","10","8","1") = "9"
    & skf18("2","6","8","1","10","9","1") = "9"
    & skf18("2","6","8","1","10","10","1") = "9"
    & skf18("2","6","8","2","1","1","1") = "7"
    & skf18("2","6","8","2","1","2","1") = "7"
    & skf18("2","6","8","2","1","3","1") = "7"
    & skf18("2","6","8","2","1","4","1") = "7"
    & skf18("2","6","8","2","1","5","1") = "7"
    & skf18("2","6","8","2","1","6","1") = "7"
    & skf18("2","6","8","2","1","7","1") = "7"
    & skf18("2","6","8","2","1","8","1") = "7"
    & skf18("2","6","8","2","1","9","1") = "8"
    & skf18("2","6","8","2","1","10","1") = "9"
    & skf18("2","6","8","2","2","1","1") = "7"
    & skf18("2","6","8","2","2","2","1") = "7"
    & skf18("2","6","8","2","2","3","1") = "7"
    & skf18("2","6","8","2","2","4","1") = "7"
    & skf18("2","6","8","2","2","5","1") = "7"
    & skf18("2","6","8","2","2","6","1") = "7"
    & skf18("2","6","8","2","2","7","1") = "7"
    & skf18("2","6","8","2","2","8","1") = "7"
    & skf18("2","6","8","2","2","9","1") = "8"
    & skf18("2","6","8","2","2","10","1") = "9"
    & skf18("2","6","8","2","3","1","1") = "7"
    & skf18("2","6","8","2","3","2","1") = "7"
    & skf18("2","6","8","2","3","3","1") = "7"
    & skf18("2","6","8","2","3","4","1") = "7"
    & skf18("2","6","8","2","3","5","1") = "7"
    & skf18("2","6","8","2","3","6","1") = "7"
    & skf18("2","6","8","2","3","7","1") = "7"
    & skf18("2","6","8","2","3","8","1") = "7"
    & skf18("2","6","8","2","3","9","1") = "8"
    & skf18("2","6","8","2","3","10","1") = "9"
    & skf18("2","6","8","2","4","1","1") = "7"
    & skf18("2","6","8","2","4","2","1") = "7"
    & skf18("2","6","8","2","4","3","1") = "7"
    & skf18("2","6","8","2","4","4","1") = "7"
    & skf18("2","6","8","2","4","5","1") = "7"
    & skf18("2","6","8","2","4","6","1") = "7"
    & skf18("2","6","8","2","4","7","1") = "7"
    & skf18("2","6","8","2","4","8","1") = "7"
    & skf18("2","6","8","2","4","9","1") = "8"
    & skf18("2","6","8","2","4","10","1") = "9"
    & skf18("2","6","8","2","5","1","1") = "7"
    & skf18("2","6","8","2","5","2","1") = "7"
    & skf18("2","6","8","2","5","3","1") = "7"
    & skf18("2","6","8","2","5","4","1") = "7"
    & skf18("2","6","8","2","5","5","1") = "7"
    & skf18("2","6","8","2","5","6","1") = "7"
    & skf18("2","6","8","2","5","7","1") = "7"
    & skf18("2","6","8","2","5","8","1") = "7"
    & skf18("2","6","8","2","5","9","1") = "8"
    & skf18("2","6","8","2","5","10","1") = "9"
    & skf18("2","6","8","2","6","1","1") = "7"
    & skf18("2","6","8","2","6","2","1") = "7"
    & skf18("2","6","8","2","6","3","1") = "7"
    & skf18("2","6","8","2","6","4","1") = "7"
    & skf18("2","6","8","2","6","5","1") = "7"
    & skf18("2","6","8","2","6","6","1") = "7"
    & skf18("2","6","8","2","6","7","1") = "7"
    & skf18("2","6","8","2","6","8","1") = "7"
    & skf18("2","6","8","2","6","9","1") = "8"
    & skf18("2","6","8","2","6","10","1") = "9"
    & skf18("2","6","8","2","7","1","1") = "7"
    & skf18("2","6","8","2","7","2","1") = "7"
    & skf18("2","6","8","2","7","3","1") = "7"
    & skf18("2","6","8","2","7","4","1") = "7"
    & skf18("2","6","8","2","7","5","1") = "7"
    & skf18("2","6","8","2","7","6","1") = "7"
    & skf18("2","6","8","2","7","7","1") = "7"
    & skf18("2","6","8","2","7","8","1") = "7"
    & skf18("2","6","8","2","7","9","1") = "8"
    & skf18("2","6","8","2","7","10","1") = "9"
    & skf18("2","6","8","2","8","1","1") = "7"
    & skf18("2","6","8","2","8","2","1") = "7"
    & skf18("2","6","8","2","8","3","1") = "7"
    & skf18("2","6","8","2","8","4","1") = "7"
    & skf18("2","6","8","2","8","5","1") = "7"
    & skf18("2","6","8","2","8","6","1") = "7"
    & skf18("2","6","8","2","8","7","1") = "7"
    & skf18("2","6","8","2","8","8","1") = "7"
    & skf18("2","6","8","2","8","9","1") = "8"
    & skf18("2","6","8","2","8","10","1") = "9"
    & skf18("2","6","8","2","9","1","1") = "8"
    & skf18("2","6","8","2","9","2","1") = "8"
    & skf18("2","6","8","2","9","3","1") = "8"
    & skf18("2","6","8","2","9","4","1") = "8"
    & skf18("2","6","8","2","9","5","1") = "8"
    & skf18("2","6","8","2","9","6","1") = "8"
    & skf18("2","6","8","2","9","7","1") = "8"
    & skf18("2","6","8","2","9","8","1") = "8"
    & skf18("2","6","8","2","9","9","1") = "8"
    & skf18("2","6","8","2","9","10","1") = "9"
    & skf18("2","6","8","2","10","1","1") = "9"
    & skf18("2","6","8","2","10","2","1") = "9"
    & skf18("2","6","8","2","10","3","1") = "9"
    & skf18("2","6","8","2","10","4","1") = "9"
    & skf18("2","6","8","2","10","5","1") = "9"
    & skf18("2","6","8","2","10","6","1") = "9"
    & skf18("2","6","8","2","10","7","1") = "9"
    & skf18("2","6","8","2","10","8","1") = "9"
    & skf18("2","6","8","2","10","9","1") = "9"
    & skf18("2","6","8","2","10","10","1") = "9"
    & skf18("2","6","8","3","1","1","1") = "7"
    & skf18("2","6","8","3","1","2","1") = "7"
    & skf18("2","6","8","3","1","3","1") = "7"
    & skf18("2","6","8","3","1","4","1") = "7"
    & skf18("2","6","8","3","1","5","1") = "7"
    & skf18("2","6","8","3","1","6","1") = "7"
    & skf18("2","6","8","3","1","7","1") = "7"
    & skf18("2","6","8","3","1","8","1") = "7"
    & skf18("2","6","8","3","1","9","1") = "8"
    & skf18("2","6","8","3","1","10","1") = "9"
    & skf18("2","6","8","3","2","1","1") = "7"
    & skf18("2","6","8","3","2","2","1") = "7"
    & skf18("2","6","8","3","2","3","1") = "7"
    & skf18("2","6","8","3","2","4","1") = "7"
    & skf18("2","6","8","3","2","5","1") = "7"
    & skf18("2","6","8","3","2","6","1") = "7"
    & skf18("2","6","8","3","2","7","1") = "7"
    & skf18("2","6","8","3","2","8","1") = "7"
    & skf18("2","6","8","3","2","9","1") = "8"
    & skf18("2","6","8","3","2","10","1") = "9"
    & skf18("2","6","8","3","3","1","1") = "7"
    & skf18("2","6","8","3","3","2","1") = "7"
    & skf18("2","6","8","3","3","3","1") = "7"
    & skf18("2","6","8","3","3","4","1") = "7"
    & skf18("2","6","8","3","3","5","1") = "7"
    & skf18("2","6","8","3","3","6","1") = "7"
    & skf18("2","6","8","3","3","7","1") = "7"
    & skf18("2","6","8","3","3","8","1") = "7"
    & skf18("2","6","8","3","3","9","1") = "8"
    & skf18("2","6","8","3","3","10","1") = "9"
    & skf18("2","6","8","3","4","1","1") = "7"
    & skf18("2","6","8","3","4","2","1") = "7"
    & skf18("2","6","8","3","4","3","1") = "7"
    & skf18("2","6","8","3","4","4","1") = "7"
    & skf18("2","6","8","3","4","5","1") = "7"
    & skf18("2","6","8","3","4","6","1") = "7"
    & skf18("2","6","8","3","4","7","1") = "7"
    & skf18("2","6","8","3","4","8","1") = "7"
    & skf18("2","6","8","3","4","9","1") = "8"
    & skf18("2","6","8","3","4","10","1") = "9"
    & skf18("2","6","8","3","5","1","1") = "7"
    & skf18("2","6","8","3","5","2","1") = "7"
    & skf18("2","6","8","3","5","3","1") = "7"
    & skf18("2","6","8","3","5","4","1") = "7"
    & skf18("2","6","8","3","5","5","1") = "7"
    & skf18("2","6","8","3","5","6","1") = "7"
    & skf18("2","6","8","3","5","7","1") = "7"
    & skf18("2","6","8","3","5","8","1") = "7"
    & skf18("2","6","8","3","5","9","1") = "8"
    & skf18("2","6","8","3","5","10","1") = "9"
    & skf18("2","6","8","3","6","1","1") = "7"
    & skf18("2","6","8","3","6","2","1") = "7"
    & skf18("2","6","8","3","6","3","1") = "7"
    & skf18("2","6","8","3","6","4","1") = "7"
    & skf18("2","6","8","3","6","5","1") = "7"
    & skf18("2","6","8","3","6","6","1") = "7"
    & skf18("2","6","8","3","6","7","1") = "7"
    & skf18("2","6","8","3","6","8","1") = "7"
    & skf18("2","6","8","3","6","9","1") = "8"
    & skf18("2","6","8","3","6","10","1") = "9"
    & skf18("2","6","8","3","7","1","1") = "7"
    & skf18("2","6","8","3","7","2","1") = "7"
    & skf18("2","6","8","3","7","3","1") = "7"
    & skf18("2","6","8","3","7","4","1") = "7"
    & skf18("2","6","8","3","7","5","1") = "7"
    & skf18("2","6","8","3","7","6","1") = "7"
    & skf18("2","6","8","3","7","7","1") = "7"
    & skf18("2","6","8","3","7","8","1") = "7"
    & skf18("2","6","8","3","7","9","1") = "8"
    & skf18("2","6","8","3","7","10","1") = "9"
    & skf18("2","6","8","3","8","1","1") = "7"
    & skf18("2","6","8","3","8","2","1") = "7"
    & skf18("2","6","8","3","8","3","1") = "7"
    & skf18("2","6","8","3","8","4","1") = "7"
    & skf18("2","6","8","3","8","5","1") = "7"
    & skf18("2","6","8","3","8","6","1") = "7"
    & skf18("2","6","8","3","8","7","1") = "7"
    & skf18("2","6","8","3","8","8","1") = "7"
    & skf18("2","6","8","3","8","9","1") = "8"
    & skf18("2","6","8","3","8","10","1") = "9"
    & skf18("2","6","8","3","9","1","1") = "8"
    & skf18("2","6","8","3","9","2","1") = "8"
    & skf18("2","6","8","3","9","3","1") = "8"
    & skf18("2","6","8","3","9","4","1") = "8"
    & skf18("2","6","8","3","9","5","1") = "8"
    & skf18("2","6","8","3","9","6","1") = "8"
    & skf18("2","6","8","3","9","7","1") = "8"
    & skf18("2","6","8","3","9","8","1") = "8"
    & skf18("2","6","8","3","9","9","1") = "8"
    & skf18("2","6","8","3","9","10","1") = "9"
    & skf18("2","6","8","3","10","1","1") = "9"
    & skf18("2","6","8","3","10","2","1") = "9"
    & skf18("2","6","8","3","10","3","1") = "9"
    & skf18("2","6","8","3","10","4","1") = "9"
    & skf18("2","6","8","3","10","5","1") = "9"
    & skf18("2","6","8","3","10","6","1") = "9"
    & skf18("2","6","8","3","10","7","1") = "9"
    & skf18("2","6","8","3","10","8","1") = "9"
    & skf18("2","6","8","3","10","9","1") = "9"
    & skf18("2","6","8","3","10","10","1") = "9"
    & skf18("2","6","8","4","1","1","1") = "7"
    & skf18("2","6","8","4","1","2","1") = "7"
    & skf18("2","6","8","4","1","3","1") = "7"
    & skf18("2","6","8","4","1","4","1") = "7"
    & skf18("2","6","8","4","1","5","1") = "7"
    & skf18("2","6","8","4","1","6","1") = "7"
    & skf18("2","6","8","4","1","7","1") = "7"
    & skf18("2","6","8","4","1","8","1") = "7"
    & skf18("2","6","8","4","1","9","1") = "8"
    & skf18("2","6","8","4","1","10","1") = "9"
    & skf18("2","6","8","4","2","1","1") = "7"
    & skf18("2","6","8","4","2","2","1") = "7"
    & skf18("2","6","8","4","2","3","1") = "7"
    & skf18("2","6","8","4","2","4","1") = "7"
    & skf18("2","6","8","4","2","5","1") = "7"
    & skf18("2","6","8","4","2","6","1") = "7"
    & skf18("2","6","8","4","2","7","1") = "7"
    & skf18("2","6","8","4","2","8","1") = "7"
    & skf18("2","6","8","4","2","9","1") = "8"
    & skf18("2","6","8","4","2","10","1") = "9"
    & skf18("2","6","8","4","3","1","1") = "7"
    & skf18("2","6","8","4","3","2","1") = "7"
    & skf18("2","6","8","4","3","3","1") = "7"
    & skf18("2","6","8","4","3","4","1") = "7"
    & skf18("2","6","8","4","3","5","1") = "7"
    & skf18("2","6","8","4","3","6","1") = "7"
    & skf18("2","6","8","4","3","7","1") = "7"
    & skf18("2","6","8","4","3","8","1") = "7"
    & skf18("2","6","8","4","3","9","1") = "8"
    & skf18("2","6","8","4","3","10","1") = "9"
    & skf18("2","6","8","4","4","1","1") = "7"
    & skf18("2","6","8","4","4","2","1") = "7"
    & skf18("2","6","8","4","4","3","1") = "7"
    & skf18("2","6","8","4","4","4","1") = "7"
    & skf18("2","6","8","4","4","5","1") = "7"
    & skf18("2","6","8","4","4","6","1") = "7"
    & skf18("2","6","8","4","4","7","1") = "7"
    & skf18("2","6","8","4","4","8","1") = "7"
    & skf18("2","6","8","4","4","9","1") = "8"
    & skf18("2","6","8","4","4","10","1") = "9"
    & skf18("2","6","8","4","5","1","1") = "7"
    & skf18("2","6","8","4","5","2","1") = "7"
    & skf18("2","6","8","4","5","3","1") = "7"
    & skf18("2","6","8","4","5","4","1") = "7"
    & skf18("2","6","8","4","5","5","1") = "7"
    & skf18("2","6","8","4","5","6","1") = "7"
    & skf18("2","6","8","4","5","7","1") = "7"
    & skf18("2","6","8","4","5","8","1") = "7"
    & skf18("2","6","8","4","5","9","1") = "8"
    & skf18("2","6","8","4","5","10","1") = "9"
    & skf18("2","6","8","4","6","1","1") = "7"
    & skf18("2","6","8","4","6","2","1") = "7"
    & skf18("2","6","8","4","6","3","1") = "7"
    & skf18("2","6","8","4","6","4","1") = "7"
    & skf18("2","6","8","4","6","5","1") = "7"
    & skf18("2","6","8","4","6","6","1") = "7"
    & skf18("2","6","8","4","6","7","1") = "7"
    & skf18("2","6","8","4","6","8","1") = "7"
    & skf18("2","6","8","4","6","9","1") = "8"
    & skf18("2","6","8","4","6","10","1") = "9"
    & skf18("2","6","8","4","7","1","1") = "7"
    & skf18("2","6","8","4","7","2","1") = "7"
    & skf18("2","6","8","4","7","3","1") = "7"
    & skf18("2","6","8","4","7","4","1") = "7"
    & skf18("2","6","8","4","7","5","1") = "7"
    & skf18("2","6","8","4","7","6","1") = "7"
    & skf18("2","6","8","4","7","7","1") = "7"
    & skf18("2","6","8","4","7","8","1") = "7"
    & skf18("2","6","8","4","7","9","1") = "8"
    & skf18("2","6","8","4","7","10","1") = "9"
    & skf18("2","6","8","4","8","1","1") = "7"
    & skf18("2","6","8","4","8","2","1") = "7"
    & skf18("2","6","8","4","8","3","1") = "7"
    & skf18("2","6","8","4","8","4","1") = "7"
    & skf18("2","6","8","4","8","5","1") = "7"
    & skf18("2","6","8","4","8","6","1") = "7"
    & skf18("2","6","8","4","8","7","1") = "7"
    & skf18("2","6","8","4","8","8","1") = "7"
    & skf18("2","6","8","4","8","9","1") = "8"
    & skf18("2","6","8","4","8","10","1") = "9"
    & skf18("2","6","8","4","9","1","1") = "8"
    & skf18("2","6","8","4","9","2","1") = "8"
    & skf18("2","6","8","4","9","3","1") = "8"
    & skf18("2","6","8","4","9","4","1") = "8"
    & skf18("2","6","8","4","9","5","1") = "8"
    & skf18("2","6","8","4","9","6","1") = "8"
    & skf18("2","6","8","4","9","7","1") = "8"
    & skf18("2","6","8","4","9","8","1") = "8"
    & skf18("2","6","8","4","9","9","1") = "8"
    & skf18("2","6","8","4","9","10","1") = "9"
    & skf18("2","6","8","4","10","1","1") = "9"
    & skf18("2","6","8","4","10","2","1") = "9"
    & skf18("2","6","8","4","10","3","1") = "9"
    & skf18("2","6","8","4","10","4","1") = "9"
    & skf18("2","6","8","4","10","5","1") = "9"
    & skf18("2","6","8","4","10","6","1") = "9"
    & skf18("2","6","8","4","10","7","1") = "9"
    & skf18("2","6","8","4","10","8","1") = "9"
    & skf18("2","6","8","4","10","9","1") = "9"
    & skf18("2","6","8","4","10","10","1") = "9"
    & skf18("2","6","8","5","1","1","1") = "7"
    & skf18("2","6","8","5","1","2","1") = "7"
    & skf18("2","6","8","5","1","3","1") = "7"
    & skf18("2","6","8","5","1","4","1") = "7"
    & skf18("2","6","8","5","1","5","1") = "7"
    & skf18("2","6","8","5","1","6","1") = "7"
    & skf18("2","6","8","5","1","7","1") = "7"
    & skf18("2","6","8","5","1","8","1") = "7"
    & skf18("2","6","8","5","1","9","1") = "8"
    & skf18("2","6","8","5","1","10","1") = "9"
    & skf18("2","6","8","5","2","1","1") = "7"
    & skf18("2","6","8","5","2","2","1") = "7"
    & skf18("2","6","8","5","2","3","1") = "7"
    & skf18("2","6","8","5","2","4","1") = "7"
    & skf18("2","6","8","5","2","5","1") = "7"
    & skf18("2","6","8","5","2","6","1") = "7"
    & skf18("2","6","8","5","2","7","1") = "7"
    & skf18("2","6","8","5","2","8","1") = "7"
    & skf18("2","6","8","5","2","9","1") = "8"
    & skf18("2","6","8","5","2","10","1") = "9"
    & skf18("2","6","8","5","3","1","1") = "7"
    & skf18("2","6","8","5","3","2","1") = "7"
    & skf18("2","6","8","5","3","3","1") = "7"
    & skf18("2","6","8","5","3","4","1") = "7"
    & skf18("2","6","8","5","3","5","1") = "7"
    & skf18("2","6","8","5","3","6","1") = "7"
    & skf18("2","6","8","5","3","7","1") = "7"
    & skf18("2","6","8","5","3","8","1") = "7"
    & skf18("2","6","8","5","3","9","1") = "8"
    & skf18("2","6","8","5","3","10","1") = "9"
    & skf18("2","6","8","5","4","1","1") = "7"
    & skf18("2","6","8","5","4","2","1") = "7"
    & skf18("2","6","8","5","4","3","1") = "7"
    & skf18("2","6","8","5","4","4","1") = "7"
    & skf18("2","6","8","5","4","5","1") = "7"
    & skf18("2","6","8","5","4","6","1") = "7"
    & skf18("2","6","8","5","4","7","1") = "7"
    & skf18("2","6","8","5","4","8","1") = "7"
    & skf18("2","6","8","5","4","9","1") = "8"
    & skf18("2","6","8","5","4","10","1") = "9"
    & skf18("2","6","8","5","5","1","1") = "7"
    & skf18("2","6","8","5","5","2","1") = "7"
    & skf18("2","6","8","5","5","3","1") = "7"
    & skf18("2","6","8","5","5","4","1") = "7"
    & skf18("2","6","8","5","5","5","1") = "7"
    & skf18("2","6","8","5","5","6","1") = "7"
    & skf18("2","6","8","5","5","7","1") = "7"
    & skf18("2","6","8","5","5","8","1") = "7"
    & skf18("2","6","8","5","5","9","1") = "8"
    & skf18("2","6","8","5","5","10","1") = "9"
    & skf18("2","6","8","5","6","1","1") = "7"
    & skf18("2","6","8","5","6","2","1") = "7"
    & skf18("2","6","8","5","6","3","1") = "7"
    & skf18("2","6","8","5","6","4","1") = "7"
    & skf18("2","6","8","5","6","5","1") = "7"
    & skf18("2","6","8","5","6","6","1") = "7"
    & skf18("2","6","8","5","6","7","1") = "7"
    & skf18("2","6","8","5","6","8","1") = "7"
    & skf18("2","6","8","5","6","9","1") = "8"
    & skf18("2","6","8","5","6","10","1") = "9"
    & skf18("2","6","8","5","7","1","1") = "7"
    & skf18("2","6","8","5","7","2","1") = "7"
    & skf18("2","6","8","5","7","3","1") = "7"
    & skf18("2","6","8","5","7","4","1") = "7"
    & skf18("2","6","8","5","7","5","1") = "7"
    & skf18("2","6","8","5","7","6","1") = "7"
    & skf18("2","6","8","5","7","7","1") = "7"
    & skf18("2","6","8","5","7","8","1") = "7"
    & skf18("2","6","8","5","7","9","1") = "8"
    & skf18("2","6","8","5","7","10","1") = "9"
    & skf18("2","6","8","5","8","1","1") = "7"
    & skf18("2","6","8","5","8","2","1") = "7"
    & skf18("2","6","8","5","8","3","1") = "7"
    & skf18("2","6","8","5","8","4","1") = "7"
    & skf18("2","6","8","5","8","5","1") = "7"
    & skf18("2","6","8","5","8","6","1") = "7"
    & skf18("2","6","8","5","8","7","1") = "7"
    & skf18("2","6","8","5","8","8","1") = "7"
    & skf18("2","6","8","5","8","9","1") = "8"
    & skf18("2","6","8","5","8","10","1") = "9"
    & skf18("2","6","8","5","9","1","1") = "8"
    & skf18("2","6","8","5","9","2","1") = "8"
    & skf18("2","6","8","5","9","3","1") = "8"
    & skf18("2","6","8","5","9","4","1") = "8"
    & skf18("2","6","8","5","9","5","1") = "8"
    & skf18("2","6","8","5","9","6","1") = "8"
    & skf18("2","6","8","5","9","7","1") = "8"
    & skf18("2","6","8","5","9","8","1") = "8"
    & skf18("2","6","8","5","9","9","1") = "8"
    & skf18("2","6","8","5","9","10","1") = "9"
    & skf18("2","6","8","5","10","1","1") = "9"
    & skf18("2","6","8","5","10","2","1") = "9"
    & skf18("2","6","8","5","10","3","1") = "9"
    & skf18("2","6","8","5","10","4","1") = "9"
    & skf18("2","6","8","5","10","5","1") = "9"
    & skf18("2","6","8","5","10","6","1") = "9"
    & skf18("2","6","8","5","10","7","1") = "9"
    & skf18("2","6","8","5","10","8","1") = "9"
    & skf18("2","6","8","5","10","9","1") = "9"
    & skf18("2","6","8","5","10","10","1") = "9"
    & skf18("2","6","8","6","1","1","1") = "7"
    & skf18("2","6","8","6","1","2","1") = "7"
    & skf18("2","6","8","6","1","3","1") = "7"
    & skf18("2","6","8","6","1","4","1") = "7"
    & skf18("2","6","8","6","1","5","1") = "7"
    & skf18("2","6","8","6","1","6","1") = "7"
    & skf18("2","6","8","6","1","7","1") = "7"
    & skf18("2","6","8","6","1","8","1") = "7"
    & skf18("2","6","8","6","1","9","1") = "8"
    & skf18("2","6","8","6","1","10","1") = "9"
    & skf18("2","6","8","6","2","1","1") = "7"
    & skf18("2","6","8","6","2","2","1") = "7"
    & skf18("2","6","8","6","2","3","1") = "7"
    & skf18("2","6","8","6","2","4","1") = "7"
    & skf18("2","6","8","6","2","5","1") = "7"
    & skf18("2","6","8","6","2","6","1") = "7"
    & skf18("2","6","8","6","2","7","1") = "7"
    & skf18("2","6","8","6","2","8","1") = "7"
    & skf18("2","6","8","6","2","9","1") = "8"
    & skf18("2","6","8","6","2","10","1") = "9"
    & skf18("2","6","8","6","3","1","1") = "7"
    & skf18("2","6","8","6","3","2","1") = "7"
    & skf18("2","6","8","6","3","3","1") = "7"
    & skf18("2","6","8","6","3","4","1") = "7"
    & skf18("2","6","8","6","3","5","1") = "7"
    & skf18("2","6","8","6","3","6","1") = "7"
    & skf18("2","6","8","6","3","7","1") = "7"
    & skf18("2","6","8","6","3","8","1") = "7"
    & skf18("2","6","8","6","3","9","1") = "8"
    & skf18("2","6","8","6","3","10","1") = "9"
    & skf18("2","6","8","6","4","1","1") = "7"
    & skf18("2","6","8","6","4","2","1") = "7"
    & skf18("2","6","8","6","4","3","1") = "7"
    & skf18("2","6","8","6","4","4","1") = "7"
    & skf18("2","6","8","6","4","5","1") = "7"
    & skf18("2","6","8","6","4","6","1") = "7"
    & skf18("2","6","8","6","4","7","1") = "7"
    & skf18("2","6","8","6","4","8","1") = "7"
    & skf18("2","6","8","6","4","9","1") = "8"
    & skf18("2","6","8","6","4","10","1") = "9"
    & skf18("2","6","8","6","5","1","1") = "7"
    & skf18("2","6","8","6","5","2","1") = "7"
    & skf18("2","6","8","6","5","3","1") = "7"
    & skf18("2","6","8","6","5","4","1") = "7"
    & skf18("2","6","8","6","5","5","1") = "7"
    & skf18("2","6","8","6","5","6","1") = "7"
    & skf18("2","6","8","6","5","7","1") = "7"
    & skf18("2","6","8","6","5","8","1") = "7"
    & skf18("2","6","8","6","5","9","1") = "8"
    & skf18("2","6","8","6","5","10","1") = "9"
    & skf18("2","6","8","6","6","1","1") = "7"
    & skf18("2","6","8","6","6","2","1") = "7"
    & skf18("2","6","8","6","6","3","1") = "7"
    & skf18("2","6","8","6","6","4","1") = "7"
    & skf18("2","6","8","6","6","5","1") = "7"
    & skf18("2","6","8","6","6","6","1") = "7"
    & skf18("2","6","8","6","6","7","1") = "7"
    & skf18("2","6","8","6","6","8","1") = "7"
    & skf18("2","6","8","6","6","9","1") = "8"
    & skf18("2","6","8","6","6","10","1") = "9"
    & skf18("2","6","8","6","7","1","1") = "7"
    & skf18("2","6","8","6","7","2","1") = "7"
    & skf18("2","6","8","6","7","3","1") = "7"
    & skf18("2","6","8","6","7","4","1") = "7"
    & skf18("2","6","8","6","7","5","1") = "7"
    & skf18("2","6","8","6","7","6","1") = "7"
    & skf18("2","6","8","6","7","7","1") = "7"
    & skf18("2","6","8","6","7","8","1") = "7"
    & skf18("2","6","8","6","7","9","1") = "8"
    & skf18("2","6","8","6","7","10","1") = "9"
    & skf18("2","6","8","6","8","1","1") = "7"
    & skf18("2","6","8","6","8","2","1") = "7"
    & skf18("2","6","8","6","8","3","1") = "7"
    & skf18("2","6","8","6","8","4","1") = "7"
    & skf18("2","6","8","6","8","5","1") = "7"
    & skf18("2","6","8","6","8","6","1") = "7"
    & skf18("2","6","8","6","8","7","1") = "7"
    & skf18("2","6","8","6","8","8","1") = "7"
    & skf18("2","6","8","6","8","9","1") = "8"
    & skf18("2","6","8","6","8","10","1") = "9"
    & skf18("2","6","8","6","9","1","1") = "8"
    & skf18("2","6","8","6","9","2","1") = "8"
    & skf18("2","6","8","6","9","3","1") = "8"
    & skf18("2","6","8","6","9","4","1") = "8"
    & skf18("2","6","8","6","9","5","1") = "8"
    & skf18("2","6","8","6","9","6","1") = "8"
    & skf18("2","6","8","6","9","7","1") = "8"
    & skf18("2","6","8","6","9","8","1") = "8"
    & skf18("2","6","8","6","9","9","1") = "8"
    & skf18("2","6","8","6","9","10","1") = "9"
    & skf18("2","6","8","6","10","1","1") = "9"
    & skf18("2","6","8","6","10","2","1") = "9"
    & skf18("2","6","8","6","10","3","1") = "9"
    & skf18("2","6","8","6","10","4","1") = "9"
    & skf18("2","6","8","6","10","5","1") = "9"
    & skf18("2","6","8","6","10","6","1") = "9"
    & skf18("2","6","8","6","10","7","1") = "9"
    & skf18("2","6","8","6","10","8","1") = "9"
    & skf18("2","6","8","6","10","9","1") = "9"
    & skf18("2","6","8","6","10","10","1") = "9"
    & skf18("2","6","8","7","1","1","1") = "7"
    & skf18("2","6","8","7","1","2","1") = "7"
    & skf18("2","6","8","7","1","3","1") = "7"
    & skf18("2","6","8","7","1","4","1") = "7"
    & skf18("2","6","8","7","1","5","1") = "7"
    & skf18("2","6","8","7","1","6","1") = "7"
    & skf18("2","6","8","7","1","7","1") = "7"
    & skf18("2","6","8","7","1","8","1") = "7"
    & skf18("2","6","8","7","1","9","1") = "8"
    & skf18("2","6","8","7","1","10","1") = "9"
    & skf18("2","6","8","7","2","1","1") = "7"
    & skf18("2","6","8","7","2","2","1") = "7"
    & skf18("2","6","8","7","2","3","1") = "7"
    & skf18("2","6","8","7","2","4","1") = "7"
    & skf18("2","6","8","7","2","5","1") = "7"
    & skf18("2","6","8","7","2","6","1") = "7"
    & skf18("2","6","8","7","2","7","1") = "7"
    & skf18("2","6","8","7","2","8","1") = "7"
    & skf18("2","6","8","7","2","9","1") = "8"
    & skf18("2","6","8","7","2","10","1") = "9"
    & skf18("2","6","8","7","3","1","1") = "7"
    & skf18("2","6","8","7","3","2","1") = "7"
    & skf18("2","6","8","7","3","3","1") = "7"
    & skf18("2","6","8","7","3","4","1") = "7"
    & skf18("2","6","8","7","3","5","1") = "7"
    & skf18("2","6","8","7","3","6","1") = "7"
    & skf18("2","6","8","7","3","7","1") = "7"
    & skf18("2","6","8","7","3","8","1") = "7"
    & skf18("2","6","8","7","3","9","1") = "8"
    & skf18("2","6","8","7","3","10","1") = "9"
    & skf18("2","6","8","7","4","1","1") = "7"
    & skf18("2","6","8","7","4","2","1") = "7"
    & skf18("2","6","8","7","4","3","1") = "7"
    & skf18("2","6","8","7","4","4","1") = "7"
    & skf18("2","6","8","7","4","5","1") = "7"
    & skf18("2","6","8","7","4","6","1") = "7"
    & skf18("2","6","8","7","4","7","1") = "7"
    & skf18("2","6","8","7","4","8","1") = "7"
    & skf18("2","6","8","7","4","9","1") = "8"
    & skf18("2","6","8","7","4","10","1") = "9"
    & skf18("2","6","8","7","5","1","1") = "7"
    & skf18("2","6","8","7","5","2","1") = "7"
    & skf18("2","6","8","7","5","3","1") = "7"
    & skf18("2","6","8","7","5","4","1") = "7"
    & skf18("2","6","8","7","5","5","1") = "7"
    & skf18("2","6","8","7","5","6","1") = "7"
    & skf18("2","6","8","7","5","7","1") = "7"
    & skf18("2","6","8","7","5","8","1") = "7"
    & skf18("2","6","8","7","5","9","1") = "8"
    & skf18("2","6","8","7","5","10","1") = "9"
    & skf18("2","6","8","7","6","1","1") = "7"
    & skf18("2","6","8","7","6","2","1") = "7"
    & skf18("2","6","8","7","6","3","1") = "7"
    & skf18("2","6","8","7","6","4","1") = "7"
    & skf18("2","6","8","7","6","5","1") = "7"
    & skf18("2","6","8","7","6","6","1") = "7"
    & skf18("2","6","8","7","6","7","1") = "7"
    & skf18("2","6","8","7","6","8","1") = "7"
    & skf18("2","6","8","7","6","9","1") = "8"
    & skf18("2","6","8","7","6","10","1") = "9"
    & skf18("2","6","8","7","7","1","1") = "7"
    & skf18("2","6","8","7","7","2","1") = "7"
    & skf18("2","6","8","7","7","3","1") = "7"
    & skf18("2","6","8","7","7","4","1") = "7"
    & skf18("2","6","8","7","7","5","1") = "7"
    & skf18("2","6","8","7","7","6","1") = "7"
    & skf18("2","6","8","7","7","7","1") = "7"
    & skf18("2","6","8","7","7","8","1") = "7"
    & skf18("2","6","8","7","7","9","1") = "8"
    & skf18("2","6","8","7","7","10","1") = "9"
    & skf18("2","6","8","7","8","1","1") = "7"
    & skf18("2","6","8","7","8","2","1") = "7"
    & skf18("2","6","8","7","8","3","1") = "7"
    & skf18("2","6","8","7","8","4","1") = "7"
    & skf18("2","6","8","7","8","5","1") = "7"
    & skf18("2","6","8","7","8","6","1") = "7"
    & skf18("2","6","8","7","8","7","1") = "7"
    & skf18("2","6","8","7","8","8","1") = "7"
    & skf18("2","6","8","7","8","9","1") = "8"
    & skf18("2","6","8","7","8","10","1") = "9"
    & skf18("2","6","8","7","9","1","1") = "8"
    & skf18("2","6","8","7","9","2","1") = "8"
    & skf18("2","6","8","7","9","3","1") = "8"
    & skf18("2","6","8","7","9","4","1") = "8"
    & skf18("2","6","8","7","9","5","1") = "8"
    & skf18("2","6","8","7","9","6","1") = "8"
    & skf18("2","6","8","7","9","7","1") = "8"
    & skf18("2","6","8","7","9","8","1") = "8"
    & skf18("2","6","8","7","9","9","1") = "8"
    & skf18("2","6","8","7","9","10","1") = "9"
    & skf18("2","6","8","7","10","1","1") = "9"
    & skf18("2","6","8","7","10","2","1") = "9"
    & skf18("2","6","8","7","10","3","1") = "9"
    & skf18("2","6","8","7","10","4","1") = "9"
    & skf18("2","6","8","7","10","5","1") = "9"
    & skf18("2","6","8","7","10","6","1") = "9"
    & skf18("2","6","8","7","10","7","1") = "9"
    & skf18("2","6","8","7","10","8","1") = "9"
    & skf18("2","6","8","7","10","9","1") = "9"
    & skf18("2","6","8","7","10","10","1") = "9"
    & skf18("2","6","8","8","1","1","1") = "7"
    & skf18("2","6","8","8","1","2","1") = "7"
    & skf18("2","6","8","8","1","3","1") = "7"
    & skf18("2","6","8","8","1","4","1") = "7"
    & skf18("2","6","8","8","1","5","1") = "7"
    & skf18("2","6","8","8","1","6","1") = "7"
    & skf18("2","6","8","8","1","7","1") = "7"
    & skf18("2","6","8","8","1","8","1") = "7"
    & skf18("2","6","8","8","1","9","1") = "8"
    & skf18("2","6","8","8","1","10","1") = "9"
    & skf18("2","6","8","8","2","1","1") = "7"
    & skf18("2","6","8","8","2","2","1") = "7"
    & skf18("2","6","8","8","2","3","1") = "7"
    & skf18("2","6","8","8","2","4","1") = "7"
    & skf18("2","6","8","8","2","5","1") = "7"
    & skf18("2","6","8","8","2","6","1") = "7"
    & skf18("2","6","8","8","2","7","1") = "7"
    & skf18("2","6","8","8","2","8","1") = "7"
    & skf18("2","6","8","8","2","9","1") = "8"
    & skf18("2","6","8","8","2","10","1") = "9"
    & skf18("2","6","8","8","3","1","1") = "7"
    & skf18("2","6","8","8","3","2","1") = "7"
    & skf18("2","6","8","8","3","3","1") = "7"
    & skf18("2","6","8","8","3","4","1") = "7"
    & skf18("2","6","8","8","3","5","1") = "7"
    & skf18("2","6","8","8","3","6","1") = "7"
    & skf18("2","6","8","8","3","7","1") = "7"
    & skf18("2","6","8","8","3","8","1") = "7"
    & skf18("2","6","8","8","3","9","1") = "8"
    & skf18("2","6","8","8","3","10","1") = "9"
    & skf18("2","6","8","8","4","1","1") = "7"
    & skf18("2","6","8","8","4","2","1") = "7"
    & skf18("2","6","8","8","4","3","1") = "7"
    & skf18("2","6","8","8","4","4","1") = "7"
    & skf18("2","6","8","8","4","5","1") = "7"
    & skf18("2","6","8","8","4","6","1") = "7"
    & skf18("2","6","8","8","4","7","1") = "7"
    & skf18("2","6","8","8","4","8","1") = "7"
    & skf18("2","6","8","8","4","9","1") = "8"
    & skf18("2","6","8","8","4","10","1") = "9"
    & skf18("2","6","8","8","5","1","1") = "7"
    & skf18("2","6","8","8","5","2","1") = "7"
    & skf18("2","6","8","8","5","3","1") = "7"
    & skf18("2","6","8","8","5","4","1") = "7"
    & skf18("2","6","8","8","5","5","1") = "7"
    & skf18("2","6","8","8","5","6","1") = "7"
    & skf18("2","6","8","8","5","7","1") = "7"
    & skf18("2","6","8","8","5","8","1") = "7"
    & skf18("2","6","8","8","5","9","1") = "8"
    & skf18("2","6","8","8","5","10","1") = "9"
    & skf18("2","6","8","8","6","1","1") = "7"
    & skf18("2","6","8","8","6","2","1") = "7"
    & skf18("2","6","8","8","6","3","1") = "7"
    & skf18("2","6","8","8","6","4","1") = "7"
    & skf18("2","6","8","8","6","5","1") = "7"
    & skf18("2","6","8","8","6","6","1") = "7"
    & skf18("2","6","8","8","6","7","1") = "7"
    & skf18("2","6","8","8","6","8","1") = "7"
    & skf18("2","6","8","8","6","9","1") = "8"
    & skf18("2","6","8","8","6","10","1") = "9"
    & skf18("2","6","8","8","7","1","1") = "7"
    & skf18("2","6","8","8","7","2","1") = "7"
    & skf18("2","6","8","8","7","3","1") = "7"
    & skf18("2","6","8","8","7","4","1") = "7"
    & skf18("2","6","8","8","7","5","1") = "7"
    & skf18("2","6","8","8","7","6","1") = "7"
    & skf18("2","6","8","8","7","7","1") = "7"
    & skf18("2","6","8","8","7","8","1") = "7"
    & skf18("2","6","8","8","7","9","1") = "8"
    & skf18("2","6","8","8","7","10","1") = "9"
    & skf18("2","6","8","8","8","1","1") = "7"
    & skf18("2","6","8","8","8","2","1") = "7"
    & skf18("2","6","8","8","8","3","1") = "7"
    & skf18("2","6","8","8","8","4","1") = "7"
    & skf18("2","6","8","8","8","5","1") = "7"
    & skf18("2","6","8","8","8","6","1") = "7"
    & skf18("2","6","8","8","8","7","1") = "7"
    & skf18("2","6","8","8","8","8","1") = "7"
    & skf18("2","6","8","8","8","9","1") = "8"
    & skf18("2","6","8","8","8","10","1") = "9"
    & skf18("2","6","8","8","9","1","1") = "8"
    & skf18("2","6","8","8","9","2","1") = "8"
    & skf18("2","6","8","8","9","3","1") = "8"
    & skf18("2","6","8","8","9","4","1") = "8"
    & skf18("2","6","8","8","9","5","1") = "8"
    & skf18("2","6","8","8","9","6","1") = "8"
    & skf18("2","6","8","8","9","7","1") = "8"
    & skf18("2","6","8","8","9","8","1") = "8"
    & skf18("2","6","8","8","9","9","1") = "8"
    & skf18("2","6","8","8","9","10","1") = "9"
    & skf18("2","6","8","8","10","1","1") = "9"
    & skf18("2","6","8","8","10","2","1") = "9"
    & skf18("2","6","8","8","10","3","1") = "9"
    & skf18("2","6","8","8","10","4","1") = "9"
    & skf18("2","6","8","8","10","5","1") = "9"
    & skf18("2","6","8","8","10","6","1") = "9"
    & skf18("2","6","8","8","10","7","1") = "9"
    & skf18("2","6","8","8","10","8","1") = "9"
    & skf18("2","6","8","8","10","9","1") = "9"
    & skf18("2","6","8","8","10","10","1") = "9"
    & skf18("2","6","8","9","1","1","1") = "8"
    & skf18("2","6","8","9","1","2","1") = "8"
    & skf18("2","6","8","9","1","3","1") = "8"
    & skf18("2","6","8","9","1","4","1") = "8"
    & skf18("2","6","8","9","1","5","1") = "8"
    & skf18("2","6","8","9","1","6","1") = "8"
    & skf18("2","6","8","9","1","7","1") = "8"
    & skf18("2","6","8","9","1","8","1") = "8"
    & skf18("2","6","8","9","1","9","1") = "8"
    & skf18("2","6","8","9","1","10","1") = "9"
    & skf18("2","6","8","9","2","1","1") = "8"
    & skf18("2","6","8","9","2","2","1") = "8"
    & skf18("2","6","8","9","2","3","1") = "8"
    & skf18("2","6","8","9","2","4","1") = "8"
    & skf18("2","6","8","9","2","5","1") = "8"
    & skf18("2","6","8","9","2","6","1") = "8"
    & skf18("2","6","8","9","2","7","1") = "8"
    & skf18("2","6","8","9","2","8","1") = "8"
    & skf18("2","6","8","9","2","9","1") = "8"
    & skf18("2","6","8","9","2","10","1") = "9"
    & skf18("2","6","8","9","3","1","1") = "8"
    & skf18("2","6","8","9","3","2","1") = "8"
    & skf18("2","6","8","9","3","3","1") = "8"
    & skf18("2","6","8","9","3","4","1") = "8"
    & skf18("2","6","8","9","3","5","1") = "8"
    & skf18("2","6","8","9","3","6","1") = "8"
    & skf18("2","6","8","9","3","7","1") = "8"
    & skf18("2","6","8","9","3","8","1") = "8"
    & skf18("2","6","8","9","3","9","1") = "8"
    & skf18("2","6","8","9","3","10","1") = "9"
    & skf18("2","6","8","9","4","1","1") = "8"
    & skf18("2","6","8","9","4","2","1") = "8"
    & skf18("2","6","8","9","4","3","1") = "8"
    & skf18("2","6","8","9","4","4","1") = "8"
    & skf18("2","6","8","9","4","5","1") = "8"
    & skf18("2","6","8","9","4","6","1") = "8"
    & skf18("2","6","8","9","4","7","1") = "8"
    & skf18("2","6","8","9","4","8","1") = "8"
    & skf18("2","6","8","9","4","9","1") = "8"
    & skf18("2","6","8","9","4","10","1") = "9"
    & skf18("2","6","8","9","5","1","1") = "8"
    & skf18("2","6","8","9","5","2","1") = "8"
    & skf18("2","6","8","9","5","3","1") = "8"
    & skf18("2","6","8","9","5","4","1") = "8"
    & skf18("2","6","8","9","5","5","1") = "8"
    & skf18("2","6","8","9","5","6","1") = "8"
    & skf18("2","6","8","9","5","7","1") = "8"
    & skf18("2","6","8","9","5","8","1") = "8"
    & skf18("2","6","8","9","5","9","1") = "8"
    & skf18("2","6","8","9","5","10","1") = "9"
    & skf18("2","6","8","9","6","1","1") = "8"
    & skf18("2","6","8","9","6","2","1") = "8"
    & skf18("2","6","8","9","6","3","1") = "8"
    & skf18("2","6","8","9","6","4","1") = "8"
    & skf18("2","6","8","9","6","5","1") = "8"
    & skf18("2","6","8","9","6","6","1") = "8"
    & skf18("2","6","8","9","6","7","1") = "8"
    & skf18("2","6","8","9","6","8","1") = "8"
    & skf18("2","6","8","9","6","9","1") = "8"
    & skf18("2","6","8","9","6","10","1") = "9"
    & skf18("2","6","8","9","7","1","1") = "8"
    & skf18("2","6","8","9","7","2","1") = "8"
    & skf18("2","6","8","9","7","3","1") = "8"
    & skf18("2","6","8","9","7","4","1") = "8"
    & skf18("2","6","8","9","7","5","1") = "8"
    & skf18("2","6","8","9","7","6","1") = "8"
    & skf18("2","6","8","9","7","7","1") = "8"
    & skf18("2","6","8","9","7","8","1") = "8"
    & skf18("2","6","8","9","7","9","1") = "8"
    & skf18("2","6","8","9","7","10","1") = "9"
    & skf18("2","6","8","9","8","1","1") = "8"
    & skf18("2","6","8","9","8","2","1") = "8"
    & skf18("2","6","8","9","8","3","1") = "8"
    & skf18("2","6","8","9","8","4","1") = "8"
    & skf18("2","6","8","9","8","5","1") = "8"
    & skf18("2","6","8","9","8","6","1") = "8"
    & skf18("2","6","8","9","8","7","1") = "8"
    & skf18("2","6","8","9","8","8","1") = "8"
    & skf18("2","6","8","9","8","9","1") = "8"
    & skf18("2","6","8","9","8","10","1") = "9"
    & skf18("2","6","8","9","9","1","1") = "8"
    & skf18("2","6","8","9","9","2","1") = "8"
    & skf18("2","6","8","9","9","3","1") = "8"
    & skf18("2","6","8","9","9","4","1") = "8"
    & skf18("2","6","8","9","9","5","1") = "8"
    & skf18("2","6","8","9","9","6","1") = "8"
    & skf18("2","6","8","9","9","7","1") = "8"
    & skf18("2","6","8","9","9","8","1") = "8"
    & skf18("2","6","8","9","9","9","1") = "8"
    & skf18("2","6","8","9","9","10","1") = "9"
    & skf18("2","6","8","9","10","1","1") = "9"
    & skf18("2","6","8","9","10","2","1") = "9"
    & skf18("2","6","8","9","10","3","1") = "9"
    & skf18("2","6","8","9","10","4","1") = "9"
    & skf18("2","6","8","9","10","5","1") = "9"
    & skf18("2","6","8","9","10","6","1") = "9"
    & skf18("2","6","8","9","10","7","1") = "9"
    & skf18("2","6","8","9","10","8","1") = "9"
    & skf18("2","6","8","9","10","9","1") = "9"
    & skf18("2","6","8","9","10","10","1") = "9"
    & skf18("2","6","8","10","1","1","1") = "9"
    & skf18("2","6","8","10","1","2","1") = "9"
    & skf18("2","6","8","10","1","3","1") = "9"
    & skf18("2","6","8","10","1","4","1") = "9"
    & skf18("2","6","8","10","1","5","1") = "9"
    & skf18("2","6","8","10","1","6","1") = "9"
    & skf18("2","6","8","10","1","7","1") = "9"
    & skf18("2","6","8","10","1","8","1") = "9"
    & skf18("2","6","8","10","1","9","1") = "9"
    & skf18("2","6","8","10","1","10","1") = "9"
    & skf18("2","6","8","10","2","1","1") = "9"
    & skf18("2","6","8","10","2","2","1") = "9"
    & skf18("2","6","8","10","2","3","1") = "9"
    & skf18("2","6","8","10","2","4","1") = "9"
    & skf18("2","6","8","10","2","5","1") = "9"
    & skf18("2","6","8","10","2","6","1") = "9"
    & skf18("2","6","8","10","2","7","1") = "9"
    & skf18("2","6","8","10","2","8","1") = "9"
    & skf18("2","6","8","10","2","9","1") = "9"
    & skf18("2","6","8","10","2","10","1") = "9"
    & skf18("2","6","8","10","3","1","1") = "9"
    & skf18("2","6","8","10","3","2","1") = "9"
    & skf18("2","6","8","10","3","3","1") = "9"
    & skf18("2","6","8","10","3","4","1") = "9"
    & skf18("2","6","8","10","3","5","1") = "9"
    & skf18("2","6","8","10","3","6","1") = "9"
    & skf18("2","6","8","10","3","7","1") = "9"
    & skf18("2","6","8","10","3","8","1") = "9"
    & skf18("2","6","8","10","3","9","1") = "9"
    & skf18("2","6","8","10","3","10","1") = "9"
    & skf18("2","6","8","10","4","1","1") = "9"
    & skf18("2","6","8","10","4","2","1") = "9"
    & skf18("2","6","8","10","4","3","1") = "9"
    & skf18("2","6","8","10","4","4","1") = "9"
    & skf18("2","6","8","10","4","5","1") = "9"
    & skf18("2","6","8","10","4","6","1") = "9"
    & skf18("2","6","8","10","4","7","1") = "9"
    & skf18("2","6","8","10","4","8","1") = "9"
    & skf18("2","6","8","10","4","9","1") = "9"
    & skf18("2","6","8","10","4","10","1") = "9"
    & skf18("2","6","8","10","5","1","1") = "9"
    & skf18("2","6","8","10","5","2","1") = "9"
    & skf18("2","6","8","10","5","3","1") = "9"
    & skf18("2","6","8","10","5","4","1") = "9"
    & skf18("2","6","8","10","5","5","1") = "9"
    & skf18("2","6","8","10","5","6","1") = "9"
    & skf18("2","6","8","10","5","7","1") = "9"
    & skf18("2","6","8","10","5","8","1") = "9"
    & skf18("2","6","8","10","5","9","1") = "9"
    & skf18("2","6","8","10","5","10","1") = "9"
    & skf18("2","6","8","10","6","1","1") = "9"
    & skf18("2","6","8","10","6","2","1") = "9"
    & skf18("2","6","8","10","6","3","1") = "9"
    & skf18("2","6","8","10","6","4","1") = "9"
    & skf18("2","6","8","10","6","5","1") = "9"
    & skf18("2","6","8","10","6","6","1") = "9"
    & skf18("2","6","8","10","6","7","1") = "9"
    & skf18("2","6","8","10","6","8","1") = "9"
    & skf18("2","6","8","10","6","9","1") = "9"
    & skf18("2","6","8","10","6","10","1") = "9"
    & skf18("2","6","8","10","7","1","1") = "9"
    & skf18("2","6","8","10","7","2","1") = "9"
    & skf18("2","6","8","10","7","3","1") = "9"
    & skf18("2","6","8","10","7","4","1") = "9"
    & skf18("2","6","8","10","7","5","1") = "9"
    & skf18("2","6","8","10","7","6","1") = "9"
    & skf18("2","6","8","10","7","7","1") = "9"
    & skf18("2","6","8","10","7","8","1") = "9"
    & skf18("2","6","8","10","7","9","1") = "9"
    & skf18("2","6","8","10","7","10","1") = "9"
    & skf18("2","6","8","10","8","1","1") = "9"
    & skf18("2","6","8","10","8","2","1") = "9"
    & skf18("2","6","8","10","8","3","1") = "9"
    & skf18("2","6","8","10","8","4","1") = "9"
    & skf18("2","6","8","10","8","5","1") = "9"
    & skf18("2","6","8","10","8","6","1") = "9"
    & skf18("2","6","8","10","8","7","1") = "9"
    & skf18("2","6","8","10","8","8","1") = "9"
    & skf18("2","6","8","10","8","9","1") = "9"
    & skf18("2","6","8","10","8","10","1") = "9"
    & skf18("2","6","8","10","9","1","1") = "9"
    & skf18("2","6","8","10","9","2","1") = "9"
    & skf18("2","6","8","10","9","3","1") = "9"
    & skf18("2","6","8","10","9","4","1") = "9"
    & skf18("2","6","8","10","9","5","1") = "9"
    & skf18("2","6","8","10","9","6","1") = "9"
    & skf18("2","6","8","10","9","7","1") = "9"
    & skf18("2","6","8","10","9","8","1") = "9"
    & skf18("2","6","8","10","9","9","1") = "9"
    & skf18("2","6","8","10","9","10","1") = "9"
    & skf18("2","6","8","10","10","1","1") = "9"
    & skf18("2","6","8","10","10","2","1") = "9"
    & skf18("2","6","8","10","10","3","1") = "9"
    & skf18("2","6","8","10","10","4","1") = "9"
    & skf18("2","6","8","10","10","5","1") = "9"
    & skf18("2","6","8","10","10","6","1") = "9"
    & skf18("2","6","8","10","10","7","1") = "9"
    & skf18("2","6","8","10","10","8","1") = "9"
    & skf18("2","6","8","10","10","9","1") = "9"
    & skf18("2","6","8","10","10","10","1") = "9"
    & skf18("2","6","9","1","1","1","1") = "8"
    & skf18("2","6","9","1","1","2","1") = "8"
    & skf18("2","6","9","1","1","3","1") = "8"
    & skf18("2","6","9","1","1","4","1") = "8"
    & skf18("2","6","9","1","1","5","1") = "8"
    & skf18("2","6","9","1","1","6","1") = "8"
    & skf18("2","6","9","1","1","7","1") = "8"
    & skf18("2","6","9","1","1","8","1") = "8"
    & skf18("2","6","9","1","1","9","1") = "8"
    & skf18("2","6","9","1","1","10","1") = "9"
    & skf18("2","6","9","1","2","1","1") = "8"
    & skf18("2","6","9","1","2","2","1") = "8"
    & skf18("2","6","9","1","2","3","1") = "8"
    & skf18("2","6","9","1","2","4","1") = "8"
    & skf18("2","6","9","1","2","5","1") = "8"
    & skf18("2","6","9","1","2","6","1") = "8"
    & skf18("2","6","9","1","2","7","1") = "8"
    & skf18("2","6","9","1","2","8","1") = "8"
    & skf18("2","6","9","1","2","9","1") = "8"
    & skf18("2","6","9","1","2","10","1") = "9"
    & skf18("2","6","9","1","3","1","1") = "8"
    & skf18("2","6","9","1","3","2","1") = "8"
    & skf18("2","6","9","1","3","3","1") = "8"
    & skf18("2","6","9","1","3","4","1") = "8"
    & skf18("2","6","9","1","3","5","1") = "8"
    & skf18("2","6","9","1","3","6","1") = "8"
    & skf18("2","6","9","1","3","7","1") = "8"
    & skf18("2","6","9","1","3","8","1") = "8"
    & skf18("2","6","9","1","3","9","1") = "8"
    & skf18("2","6","9","1","3","10","1") = "9"
    & skf18("2","6","9","1","4","1","1") = "8"
    & skf18("2","6","9","1","4","2","1") = "8"
    & skf18("2","6","9","1","4","3","1") = "8"
    & skf18("2","6","9","1","4","4","1") = "8"
    & skf18("2","6","9","1","4","5","1") = "8"
    & skf18("2","6","9","1","4","6","1") = "8"
    & skf18("2","6","9","1","4","7","1") = "8"
    & skf18("2","6","9","1","4","8","1") = "8"
    & skf18("2","6","9","1","4","9","1") = "8"
    & skf18("2","6","9","1","4","10","1") = "9"
    & skf18("2","6","9","1","5","1","1") = "8"
    & skf18("2","6","9","1","5","2","1") = "8"
    & skf18("2","6","9","1","5","3","1") = "8"
    & skf18("2","6","9","1","5","4","1") = "8"
    & skf18("2","6","9","1","5","5","1") = "8"
    & skf18("2","6","9","1","5","6","1") = "8"
    & skf18("2","6","9","1","5","7","1") = "8"
    & skf18("2","6","9","1","5","8","1") = "8"
    & skf18("2","6","9","1","5","9","1") = "8"
    & skf18("2","6","9","1","5","10","1") = "9"
    & skf18("2","6","9","1","6","1","1") = "8"
    & skf18("2","6","9","1","6","2","1") = "8"
    & skf18("2","6","9","1","6","3","1") = "8"
    & skf18("2","6","9","1","6","4","1") = "8"
    & skf18("2","6","9","1","6","5","1") = "8"
    & skf18("2","6","9","1","6","6","1") = "8"
    & skf18("2","6","9","1","6","7","1") = "8"
    & skf18("2","6","9","1","6","8","1") = "8"
    & skf18("2","6","9","1","6","9","1") = "8"
    & skf18("2","6","9","1","6","10","1") = "9"
    & skf18("2","6","9","1","7","1","1") = "8"
    & skf18("2","6","9","1","7","2","1") = "8"
    & skf18("2","6","9","1","7","3","1") = "8"
    & skf18("2","6","9","1","7","4","1") = "8"
    & skf18("2","6","9","1","7","5","1") = "8"
    & skf18("2","6","9","1","7","6","1") = "8"
    & skf18("2","6","9","1","7","7","1") = "8"
    & skf18("2","6","9","1","7","8","1") = "8"
    & skf18("2","6","9","1","7","9","1") = "8"
    & skf18("2","6","9","1","7","10","1") = "9"
    & skf18("2","6","9","1","8","1","1") = "8"
    & skf18("2","6","9","1","8","2","1") = "8"
    & skf18("2","6","9","1","8","3","1") = "8"
    & skf18("2","6","9","1","8","4","1") = "8"
    & skf18("2","6","9","1","8","5","1") = "8"
    & skf18("2","6","9","1","8","6","1") = "8"
    & skf18("2","6","9","1","8","7","1") = "8"
    & skf18("2","6","9","1","8","8","1") = "8"
    & skf18("2","6","9","1","8","9","1") = "8"
    & skf18("2","6","9","1","8","10","1") = "9"
    & skf18("2","6","9","1","9","1","1") = "8"
    & skf18("2","6","9","1","9","2","1") = "8"
    & skf18("2","6","9","1","9","3","1") = "8"
    & skf18("2","6","9","1","9","4","1") = "8"
    & skf18("2","6","9","1","9","5","1") = "8"
    & skf18("2","6","9","1","9","6","1") = "8"
    & skf18("2","6","9","1","9","7","1") = "8"
    & skf18("2","6","9","1","9","8","1") = "8"
    & skf18("2","6","9","1","9","9","1") = "8"
    & skf18("2","6","9","1","9","10","1") = "9"
    & skf18("2","6","9","1","10","1","1") = "9"
    & skf18("2","6","9","1","10","2","1") = "9"
    & skf18("2","6","9","1","10","3","1") = "9"
    & skf18("2","6","9","1","10","4","1") = "9"
    & skf18("2","6","9","1","10","5","1") = "9"
    & skf18("2","6","9","1","10","6","1") = "9"
    & skf18("2","6","9","1","10","7","1") = "9"
    & skf18("2","6","9","1","10","8","1") = "9"
    & skf18("2","6","9","1","10","9","1") = "9"
    & skf18("2","6","9","1","10","10","1") = "9"
    & skf18("2","6","9","2","1","1","1") = "8"
    & skf18("2","6","9","2","1","2","1") = "8"
    & skf18("2","6","9","2","1","3","1") = "8"
    & skf18("2","6","9","2","1","4","1") = "8"
    & skf18("2","6","9","2","1","5","1") = "8"
    & skf18("2","6","9","2","1","6","1") = "8"
    & skf18("2","6","9","2","1","7","1") = "8"
    & skf18("2","6","9","2","1","8","1") = "8"
    & skf18("2","6","9","2","1","9","1") = "8"
    & skf18("2","6","9","2","1","10","1") = "9"
    & skf18("2","6","9","2","2","1","1") = "8"
    & skf18("2","6","9","2","2","2","1") = "8"
    & skf18("2","6","9","2","2","3","1") = "8"
    & skf18("2","6","9","2","2","4","1") = "8"
    & skf18("2","6","9","2","2","5","1") = "8"
    & skf18("2","6","9","2","2","6","1") = "8"
    & skf18("2","6","9","2","2","7","1") = "8"
    & skf18("2","6","9","2","2","8","1") = "8"
    & skf18("2","6","9","2","2","9","1") = "8"
    & skf18("2","6","9","2","2","10","1") = "9"
    & skf18("2","6","9","2","3","1","1") = "8"
    & skf18("2","6","9","2","3","2","1") = "8"
    & skf18("2","6","9","2","3","3","1") = "8"
    & skf18("2","6","9","2","3","4","1") = "8"
    & skf18("2","6","9","2","3","5","1") = "8"
    & skf18("2","6","9","2","3","6","1") = "8"
    & skf18("2","6","9","2","3","7","1") = "8"
    & skf18("2","6","9","2","3","8","1") = "8"
    & skf18("2","6","9","2","3","9","1") = "8"
    & skf18("2","6","9","2","3","10","1") = "9"
    & skf18("2","6","9","2","4","1","1") = "8"
    & skf18("2","6","9","2","4","2","1") = "8"
    & skf18("2","6","9","2","4","3","1") = "8"
    & skf18("2","6","9","2","4","4","1") = "8"
    & skf18("2","6","9","2","4","5","1") = "8"
    & skf18("2","6","9","2","4","6","1") = "8"
    & skf18("2","6","9","2","4","7","1") = "8"
    & skf18("2","6","9","2","4","8","1") = "8"
    & skf18("2","6","9","2","4","9","1") = "8"
    & skf18("2","6","9","2","4","10","1") = "9"
    & skf18("2","6","9","2","5","1","1") = "8"
    & skf18("2","6","9","2","5","2","1") = "8"
    & skf18("2","6","9","2","5","3","1") = "8"
    & skf18("2","6","9","2","5","4","1") = "8"
    & skf18("2","6","9","2","5","5","1") = "8"
    & skf18("2","6","9","2","5","6","1") = "8"
    & skf18("2","6","9","2","5","7","1") = "8"
    & skf18("2","6","9","2","5","8","1") = "8"
    & skf18("2","6","9","2","5","9","1") = "8"
    & skf18("2","6","9","2","5","10","1") = "9"
    & skf18("2","6","9","2","6","1","1") = "8"
    & skf18("2","6","9","2","6","2","1") = "8"
    & skf18("2","6","9","2","6","3","1") = "8"
    & skf18("2","6","9","2","6","4","1") = "8"
    & skf18("2","6","9","2","6","5","1") = "8"
    & skf18("2","6","9","2","6","6","1") = "8"
    & skf18("2","6","9","2","6","7","1") = "8"
    & skf18("2","6","9","2","6","8","1") = "8"
    & skf18("2","6","9","2","6","9","1") = "8"
    & skf18("2","6","9","2","6","10","1") = "9"
    & skf18("2","6","9","2","7","1","1") = "8"
    & skf18("2","6","9","2","7","2","1") = "8"
    & skf18("2","6","9","2","7","3","1") = "8"
    & skf18("2","6","9","2","7","4","1") = "8"
    & skf18("2","6","9","2","7","5","1") = "8"
    & skf18("2","6","9","2","7","6","1") = "8"
    & skf18("2","6","9","2","7","7","1") = "8"
    & skf18("2","6","9","2","7","8","1") = "8"
    & skf18("2","6","9","2","7","9","1") = "8"
    & skf18("2","6","9","2","7","10","1") = "9"
    & skf18("2","6","9","2","8","1","1") = "8"
    & skf18("2","6","9","2","8","2","1") = "8"
    & skf18("2","6","9","2","8","3","1") = "8"
    & skf18("2","6","9","2","8","4","1") = "8"
    & skf18("2","6","9","2","8","5","1") = "8"
    & skf18("2","6","9","2","8","6","1") = "8"
    & skf18("2","6","9","2","8","7","1") = "8"
    & skf18("2","6","9","2","8","8","1") = "8"
    & skf18("2","6","9","2","8","9","1") = "8"
    & skf18("2","6","9","2","8","10","1") = "9"
    & skf18("2","6","9","2","9","1","1") = "8"
    & skf18("2","6","9","2","9","2","1") = "8"
    & skf18("2","6","9","2","9","3","1") = "8"
    & skf18("2","6","9","2","9","4","1") = "8"
    & skf18("2","6","9","2","9","5","1") = "8"
    & skf18("2","6","9","2","9","6","1") = "8"
    & skf18("2","6","9","2","9","7","1") = "8"
    & skf18("2","6","9","2","9","8","1") = "8"
    & skf18("2","6","9","2","9","9","1") = "8"
    & skf18("2","6","9","2","9","10","1") = "9"
    & skf18("2","6","9","2","10","1","1") = "9"
    & skf18("2","6","9","2","10","2","1") = "9"
    & skf18("2","6","9","2","10","3","1") = "9"
    & skf18("2","6","9","2","10","4","1") = "9"
    & skf18("2","6","9","2","10","5","1") = "9"
    & skf18("2","6","9","2","10","6","1") = "9"
    & skf18("2","6","9","2","10","7","1") = "9"
    & skf18("2","6","9","2","10","8","1") = "9"
    & skf18("2","6","9","2","10","9","1") = "9"
    & skf18("2","6","9","2","10","10","1") = "9"
    & skf18("2","6","9","3","1","1","1") = "8"
    & skf18("2","6","9","3","1","2","1") = "8"
    & skf18("2","6","9","3","1","3","1") = "8"
    & skf18("2","6","9","3","1","4","1") = "8"
    & skf18("2","6","9","3","1","5","1") = "8"
    & skf18("2","6","9","3","1","6","1") = "8"
    & skf18("2","6","9","3","1","7","1") = "8"
    & skf18("2","6","9","3","1","8","1") = "8"
    & skf18("2","6","9","3","1","9","1") = "8"
    & skf18("2","6","9","3","1","10","1") = "9"
    & skf18("2","6","9","3","2","1","1") = "8"
    & skf18("2","6","9","3","2","2","1") = "8"
    & skf18("2","6","9","3","2","3","1") = "8"
    & skf18("2","6","9","3","2","4","1") = "8"
    & skf18("2","6","9","3","2","5","1") = "8"
    & skf18("2","6","9","3","2","6","1") = "8"
    & skf18("2","6","9","3","2","7","1") = "8"
    & skf18("2","6","9","3","2","8","1") = "8"
    & skf18("2","6","9","3","2","9","1") = "8"
    & skf18("2","6","9","3","2","10","1") = "9"
    & skf18("2","6","9","3","3","1","1") = "8"
    & skf18("2","6","9","3","3","2","1") = "8"
    & skf18("2","6","9","3","3","3","1") = "8"
    & skf18("2","6","9","3","3","4","1") = "8"
    & skf18("2","6","9","3","3","5","1") = "8"
    & skf18("2","6","9","3","3","6","1") = "8"
    & skf18("2","6","9","3","3","7","1") = "8"
    & skf18("2","6","9","3","3","8","1") = "8"
    & skf18("2","6","9","3","3","9","1") = "8"
    & skf18("2","6","9","3","3","10","1") = "9"
    & skf18("2","6","9","3","4","1","1") = "8"
    & skf18("2","6","9","3","4","2","1") = "8"
    & skf18("2","6","9","3","4","3","1") = "8"
    & skf18("2","6","9","3","4","4","1") = "8"
    & skf18("2","6","9","3","4","5","1") = "8"
    & skf18("2","6","9","3","4","6","1") = "8"
    & skf18("2","6","9","3","4","7","1") = "8"
    & skf18("2","6","9","3","4","8","1") = "8"
    & skf18("2","6","9","3","4","9","1") = "8"
    & skf18("2","6","9","3","4","10","1") = "9"
    & skf18("2","6","9","3","5","1","1") = "8"
    & skf18("2","6","9","3","5","2","1") = "8"
    & skf18("2","6","9","3","5","3","1") = "8"
    & skf18("2","6","9","3","5","4","1") = "8"
    & skf18("2","6","9","3","5","5","1") = "8"
    & skf18("2","6","9","3","5","6","1") = "8"
    & skf18("2","6","9","3","5","7","1") = "8"
    & skf18("2","6","9","3","5","8","1") = "8"
    & skf18("2","6","9","3","5","9","1") = "8"
    & skf18("2","6","9","3","5","10","1") = "9"
    & skf18("2","6","9","3","6","1","1") = "8"
    & skf18("2","6","9","3","6","2","1") = "8"
    & skf18("2","6","9","3","6","3","1") = "8"
    & skf18("2","6","9","3","6","4","1") = "8"
    & skf18("2","6","9","3","6","5","1") = "8"
    & skf18("2","6","9","3","6","6","1") = "8"
    & skf18("2","6","9","3","6","7","1") = "8"
    & skf18("2","6","9","3","6","8","1") = "8"
    & skf18("2","6","9","3","6","9","1") = "8"
    & skf18("2","6","9","3","6","10","1") = "9"
    & skf18("2","6","9","3","7","1","1") = "8"
    & skf18("2","6","9","3","7","2","1") = "8"
    & skf18("2","6","9","3","7","3","1") = "8"
    & skf18("2","6","9","3","7","4","1") = "8"
    & skf18("2","6","9","3","7","5","1") = "8"
    & skf18("2","6","9","3","7","6","1") = "8"
    & skf18("2","6","9","3","7","7","1") = "8"
    & skf18("2","6","9","3","7","8","1") = "8"
    & skf18("2","6","9","3","7","9","1") = "8"
    & skf18("2","6","9","3","7","10","1") = "9"
    & skf18("2","6","9","3","8","1","1") = "8"
    & skf18("2","6","9","3","8","2","1") = "8"
    & skf18("2","6","9","3","8","3","1") = "8"
    & skf18("2","6","9","3","8","4","1") = "8"
    & skf18("2","6","9","3","8","5","1") = "8"
    & skf18("2","6","9","3","8","6","1") = "8"
    & skf18("2","6","9","3","8","7","1") = "8"
    & skf18("2","6","9","3","8","8","1") = "8"
    & skf18("2","6","9","3","8","9","1") = "8"
    & skf18("2","6","9","3","8","10","1") = "9"
    & skf18("2","6","9","3","9","1","1") = "8"
    & skf18("2","6","9","3","9","2","1") = "8"
    & skf18("2","6","9","3","9","3","1") = "8"
    & skf18("2","6","9","3","9","4","1") = "8"
    & skf18("2","6","9","3","9","5","1") = "8"
    & skf18("2","6","9","3","9","6","1") = "8"
    & skf18("2","6","9","3","9","7","1") = "8"
    & skf18("2","6","9","3","9","8","1") = "8"
    & skf18("2","6","9","3","9","9","1") = "8"
    & skf18("2","6","9","3","9","10","1") = "9"
    & skf18("2","6","9","3","10","1","1") = "9"
    & skf18("2","6","9","3","10","2","1") = "9"
    & skf18("2","6","9","3","10","3","1") = "9"
    & skf18("2","6","9","3","10","4","1") = "9"
    & skf18("2","6","9","3","10","5","1") = "9"
    & skf18("2","6","9","3","10","6","1") = "9"
    & skf18("2","6","9","3","10","7","1") = "9"
    & skf18("2","6","9","3","10","8","1") = "9"
    & skf18("2","6","9","3","10","9","1") = "9"
    & skf18("2","6","9","3","10","10","1") = "9"
    & skf18("2","6","9","4","1","1","1") = "8"
    & skf18("2","6","9","4","1","2","1") = "8"
    & skf18("2","6","9","4","1","3","1") = "8"
    & skf18("2","6","9","4","1","4","1") = "8"
    & skf18("2","6","9","4","1","5","1") = "8"
    & skf18("2","6","9","4","1","6","1") = "8"
    & skf18("2","6","9","4","1","7","1") = "8"
    & skf18("2","6","9","4","1","8","1") = "8"
    & skf18("2","6","9","4","1","9","1") = "8"
    & skf18("2","6","9","4","1","10","1") = "9"
    & skf18("2","6","9","4","2","1","1") = "8"
    & skf18("2","6","9","4","2","2","1") = "8"
    & skf18("2","6","9","4","2","3","1") = "8"
    & skf18("2","6","9","4","2","4","1") = "8"
    & skf18("2","6","9","4","2","5","1") = "8"
    & skf18("2","6","9","4","2","6","1") = "8"
    & skf18("2","6","9","4","2","7","1") = "8"
    & skf18("2","6","9","4","2","8","1") = "8"
    & skf18("2","6","9","4","2","9","1") = "8"
    & skf18("2","6","9","4","2","10","1") = "9"
    & skf18("2","6","9","4","3","1","1") = "8"
    & skf18("2","6","9","4","3","2","1") = "8"
    & skf18("2","6","9","4","3","3","1") = "8"
    & skf18("2","6","9","4","3","4","1") = "8"
    & skf18("2","6","9","4","3","5","1") = "8"
    & skf18("2","6","9","4","3","6","1") = "8"
    & skf18("2","6","9","4","3","7","1") = "8"
    & skf18("2","6","9","4","3","8","1") = "8"
    & skf18("2","6","9","4","3","9","1") = "8"
    & skf18("2","6","9","4","3","10","1") = "9"
    & skf18("2","6","9","4","4","1","1") = "8"
    & skf18("2","6","9","4","4","2","1") = "8"
    & skf18("2","6","9","4","4","3","1") = "8"
    & skf18("2","6","9","4","4","4","1") = "8"
    & skf18("2","6","9","4","4","5","1") = "8"
    & skf18("2","6","9","4","4","6","1") = "8"
    & skf18("2","6","9","4","4","7","1") = "8"
    & skf18("2","6","9","4","4","8","1") = "8"
    & skf18("2","6","9","4","4","9","1") = "8"
    & skf18("2","6","9","4","4","10","1") = "9"
    & skf18("2","6","9","4","5","1","1") = "8"
    & skf18("2","6","9","4","5","2","1") = "8"
    & skf18("2","6","9","4","5","3","1") = "8"
    & skf18("2","6","9","4","5","4","1") = "8"
    & skf18("2","6","9","4","5","5","1") = "8"
    & skf18("2","6","9","4","5","6","1") = "8"
    & skf18("2","6","9","4","5","7","1") = "8"
    & skf18("2","6","9","4","5","8","1") = "8"
    & skf18("2","6","9","4","5","9","1") = "8"
    & skf18("2","6","9","4","5","10","1") = "9"
    & skf18("2","6","9","4","6","1","1") = "8"
    & skf18("2","6","9","4","6","2","1") = "8"
    & skf18("2","6","9","4","6","3","1") = "8"
    & skf18("2","6","9","4","6","4","1") = "8"
    & skf18("2","6","9","4","6","5","1") = "8"
    & skf18("2","6","9","4","6","6","1") = "8"
    & skf18("2","6","9","4","6","7","1") = "8"
    & skf18("2","6","9","4","6","8","1") = "8"
    & skf18("2","6","9","4","6","9","1") = "8"
    & skf18("2","6","9","4","6","10","1") = "9"
    & skf18("2","6","9","4","7","1","1") = "8"
    & skf18("2","6","9","4","7","2","1") = "8"
    & skf18("2","6","9","4","7","3","1") = "8"
    & skf18("2","6","9","4","7","4","1") = "8"
    & skf18("2","6","9","4","7","5","1") = "8"
    & skf18("2","6","9","4","7","6","1") = "8"
    & skf18("2","6","9","4","7","7","1") = "8"
    & skf18("2","6","9","4","7","8","1") = "8"
    & skf18("2","6","9","4","7","9","1") = "8"
    & skf18("2","6","9","4","7","10","1") = "9"
    & skf18("2","6","9","4","8","1","1") = "8"
    & skf18("2","6","9","4","8","2","1") = "8"
    & skf18("2","6","9","4","8","3","1") = "8"
    & skf18("2","6","9","4","8","4","1") = "8"
    & skf18("2","6","9","4","8","5","1") = "8"
    & skf18("2","6","9","4","8","6","1") = "8"
    & skf18("2","6","9","4","8","7","1") = "8"
    & skf18("2","6","9","4","8","8","1") = "8"
    & skf18("2","6","9","4","8","9","1") = "8"
    & skf18("2","6","9","4","8","10","1") = "9"
    & skf18("2","6","9","4","9","1","1") = "8"
    & skf18("2","6","9","4","9","2","1") = "8"
    & skf18("2","6","9","4","9","3","1") = "8"
    & skf18("2","6","9","4","9","4","1") = "8"
    & skf18("2","6","9","4","9","5","1") = "8"
    & skf18("2","6","9","4","9","6","1") = "8"
    & skf18("2","6","9","4","9","7","1") = "8"
    & skf18("2","6","9","4","9","8","1") = "8"
    & skf18("2","6","9","4","9","9","1") = "8"
    & skf18("2","6","9","4","9","10","1") = "9"
    & skf18("2","6","9","4","10","1","1") = "9"
    & skf18("2","6","9","4","10","2","1") = "9"
    & skf18("2","6","9","4","10","3","1") = "9"
    & skf18("2","6","9","4","10","4","1") = "9"
    & skf18("2","6","9","4","10","5","1") = "9"
    & skf18("2","6","9","4","10","6","1") = "9"
    & skf18("2","6","9","4","10","7","1") = "9"
    & skf18("2","6","9","4","10","8","1") = "9"
    & skf18("2","6","9","4","10","9","1") = "9"
    & skf18("2","6","9","4","10","10","1") = "9"
    & skf18("2","6","9","5","1","1","1") = "8"
    & skf18("2","6","9","5","1","2","1") = "8"
    & skf18("2","6","9","5","1","3","1") = "8"
    & skf18("2","6","9","5","1","4","1") = "8"
    & skf18("2","6","9","5","1","5","1") = "8"
    & skf18("2","6","9","5","1","6","1") = "8"
    & skf18("2","6","9","5","1","7","1") = "8"
    & skf18("2","6","9","5","1","8","1") = "8"
    & skf18("2","6","9","5","1","9","1") = "8"
    & skf18("2","6","9","5","1","10","1") = "9"
    & skf18("2","6","9","5","2","1","1") = "8"
    & skf18("2","6","9","5","2","2","1") = "8"
    & skf18("2","6","9","5","2","3","1") = "8"
    & skf18("2","6","9","5","2","4","1") = "8"
    & skf18("2","6","9","5","2","5","1") = "8"
    & skf18("2","6","9","5","2","6","1") = "8"
    & skf18("2","6","9","5","2","7","1") = "8"
    & skf18("2","6","9","5","2","8","1") = "8"
    & skf18("2","6","9","5","2","9","1") = "8"
    & skf18("2","6","9","5","2","10","1") = "9"
    & skf18("2","6","9","5","3","1","1") = "8"
    & skf18("2","6","9","5","3","2","1") = "8"
    & skf18("2","6","9","5","3","3","1") = "8"
    & skf18("2","6","9","5","3","4","1") = "8"
    & skf18("2","6","9","5","3","5","1") = "8"
    & skf18("2","6","9","5","3","6","1") = "8"
    & skf18("2","6","9","5","3","7","1") = "8"
    & skf18("2","6","9","5","3","8","1") = "8"
    & skf18("2","6","9","5","3","9","1") = "8"
    & skf18("2","6","9","5","3","10","1") = "9"
    & skf18("2","6","9","5","4","1","1") = "8"
    & skf18("2","6","9","5","4","2","1") = "8"
    & skf18("2","6","9","5","4","3","1") = "8"
    & skf18("2","6","9","5","4","4","1") = "8"
    & skf18("2","6","9","5","4","5","1") = "8"
    & skf18("2","6","9","5","4","6","1") = "8"
    & skf18("2","6","9","5","4","7","1") = "8"
    & skf18("2","6","9","5","4","8","1") = "8"
    & skf18("2","6","9","5","4","9","1") = "8"
    & skf18("2","6","9","5","4","10","1") = "9"
    & skf18("2","6","9","5","5","1","1") = "8"
    & skf18("2","6","9","5","5","2","1") = "8"
    & skf18("2","6","9","5","5","3","1") = "8"
    & skf18("2","6","9","5","5","4","1") = "8"
    & skf18("2","6","9","5","5","5","1") = "8"
    & skf18("2","6","9","5","5","6","1") = "8"
    & skf18("2","6","9","5","5","7","1") = "8"
    & skf18("2","6","9","5","5","8","1") = "8"
    & skf18("2","6","9","5","5","9","1") = "8"
    & skf18("2","6","9","5","5","10","1") = "9"
    & skf18("2","6","9","5","6","1","1") = "8"
    & skf18("2","6","9","5","6","2","1") = "8"
    & skf18("2","6","9","5","6","3","1") = "8"
    & skf18("2","6","9","5","6","4","1") = "8"
    & skf18("2","6","9","5","6","5","1") = "8"
    & skf18("2","6","9","5","6","6","1") = "8"
    & skf18("2","6","9","5","6","7","1") = "8"
    & skf18("2","6","9","5","6","8","1") = "8"
    & skf18("2","6","9","5","6","9","1") = "8"
    & skf18("2","6","9","5","6","10","1") = "9"
    & skf18("2","6","9","5","7","1","1") = "8"
    & skf18("2","6","9","5","7","2","1") = "8"
    & skf18("2","6","9","5","7","3","1") = "8"
    & skf18("2","6","9","5","7","4","1") = "8"
    & skf18("2","6","9","5","7","5","1") = "8"
    & skf18("2","6","9","5","7","6","1") = "8"
    & skf18("2","6","9","5","7","7","1") = "8"
    & skf18("2","6","9","5","7","8","1") = "8"
    & skf18("2","6","9","5","7","9","1") = "8"
    & skf18("2","6","9","5","7","10","1") = "9"
    & skf18("2","6","9","5","8","1","1") = "8"
    & skf18("2","6","9","5","8","2","1") = "8"
    & skf18("2","6","9","5","8","3","1") = "8"
    & skf18("2","6","9","5","8","4","1") = "8"
    & skf18("2","6","9","5","8","5","1") = "8"
    & skf18("2","6","9","5","8","6","1") = "8"
    & skf18("2","6","9","5","8","7","1") = "8"
    & skf18("2","6","9","5","8","8","1") = "8"
    & skf18("2","6","9","5","8","9","1") = "8"
    & skf18("2","6","9","5","8","10","1") = "9"
    & skf18("2","6","9","5","9","1","1") = "8"
    & skf18("2","6","9","5","9","2","1") = "8"
    & skf18("2","6","9","5","9","3","1") = "8"
    & skf18("2","6","9","5","9","4","1") = "8"
    & skf18("2","6","9","5","9","5","1") = "8"
    & skf18("2","6","9","5","9","6","1") = "8"
    & skf18("2","6","9","5","9","7","1") = "8"
    & skf18("2","6","9","5","9","8","1") = "8"
    & skf18("2","6","9","5","9","9","1") = "8"
    & skf18("2","6","9","5","9","10","1") = "9"
    & skf18("2","6","9","5","10","1","1") = "9"
    & skf18("2","6","9","5","10","2","1") = "9"
    & skf18("2","6","9","5","10","3","1") = "9"
    & skf18("2","6","9","5","10","4","1") = "9"
    & skf18("2","6","9","5","10","5","1") = "9"
    & skf18("2","6","9","5","10","6","1") = "9"
    & skf18("2","6","9","5","10","7","1") = "9"
    & skf18("2","6","9","5","10","8","1") = "9"
    & skf18("2","6","9","5","10","9","1") = "9"
    & skf18("2","6","9","5","10","10","1") = "9"
    & skf18("2","6","9","6","1","1","1") = "8"
    & skf18("2","6","9","6","1","2","1") = "8"
    & skf18("2","6","9","6","1","3","1") = "8"
    & skf18("2","6","9","6","1","4","1") = "8"
    & skf18("2","6","9","6","1","5","1") = "8"
    & skf18("2","6","9","6","1","6","1") = "8"
    & skf18("2","6","9","6","1","7","1") = "8"
    & skf18("2","6","9","6","1","8","1") = "8"
    & skf18("2","6","9","6","1","9","1") = "8"
    & skf18("2","6","9","6","1","10","1") = "9"
    & skf18("2","6","9","6","2","1","1") = "8"
    & skf18("2","6","9","6","2","2","1") = "8"
    & skf18("2","6","9","6","2","3","1") = "8"
    & skf18("2","6","9","6","2","4","1") = "8"
    & skf18("2","6","9","6","2","5","1") = "8"
    & skf18("2","6","9","6","2","6","1") = "8"
    & skf18("2","6","9","6","2","7","1") = "8"
    & skf18("2","6","9","6","2","8","1") = "8"
    & skf18("2","6","9","6","2","9","1") = "8"
    & skf18("2","6","9","6","2","10","1") = "9"
    & skf18("2","6","9","6","3","1","1") = "8"
    & skf18("2","6","9","6","3","2","1") = "8"
    & skf18("2","6","9","6","3","3","1") = "8"
    & skf18("2","6","9","6","3","4","1") = "8"
    & skf18("2","6","9","6","3","5","1") = "8"
    & skf18("2","6","9","6","3","6","1") = "8"
    & skf18("2","6","9","6","3","7","1") = "8"
    & skf18("2","6","9","6","3","8","1") = "8"
    & skf18("2","6","9","6","3","9","1") = "8"
    & skf18("2","6","9","6","3","10","1") = "9"
    & skf18("2","6","9","6","4","1","1") = "8"
    & skf18("2","6","9","6","4","2","1") = "8"
    & skf18("2","6","9","6","4","3","1") = "8"
    & skf18("2","6","9","6","4","4","1") = "8"
    & skf18("2","6","9","6","4","5","1") = "8"
    & skf18("2","6","9","6","4","6","1") = "8"
    & skf18("2","6","9","6","4","7","1") = "8"
    & skf18("2","6","9","6","4","8","1") = "8"
    & skf18("2","6","9","6","4","9","1") = "8"
    & skf18("2","6","9","6","4","10","1") = "9"
    & skf18("2","6","9","6","5","1","1") = "8"
    & skf18("2","6","9","6","5","2","1") = "8"
    & skf18("2","6","9","6","5","3","1") = "8"
    & skf18("2","6","9","6","5","4","1") = "8"
    & skf18("2","6","9","6","5","5","1") = "8"
    & skf18("2","6","9","6","5","6","1") = "8"
    & skf18("2","6","9","6","5","7","1") = "8"
    & skf18("2","6","9","6","5","8","1") = "8"
    & skf18("2","6","9","6","5","9","1") = "8"
    & skf18("2","6","9","6","5","10","1") = "9"
    & skf18("2","6","9","6","6","1","1") = "8"
    & skf18("2","6","9","6","6","2","1") = "8"
    & skf18("2","6","9","6","6","3","1") = "8"
    & skf18("2","6","9","6","6","4","1") = "8"
    & skf18("2","6","9","6","6","5","1") = "8"
    & skf18("2","6","9","6","6","6","1") = "8"
    & skf18("2","6","9","6","6","7","1") = "8"
    & skf18("2","6","9","6","6","8","1") = "8"
    & skf18("2","6","9","6","6","9","1") = "8"
    & skf18("2","6","9","6","6","10","1") = "9"
    & skf18("2","6","9","6","7","1","1") = "8"
    & skf18("2","6","9","6","7","2","1") = "8"
    & skf18("2","6","9","6","7","3","1") = "8"
    & skf18("2","6","9","6","7","4","1") = "8"
    & skf18("2","6","9","6","7","5","1") = "8"
    & skf18("2","6","9","6","7","6","1") = "8"
    & skf18("2","6","9","6","7","7","1") = "8"
    & skf18("2","6","9","6","7","8","1") = "8"
    & skf18("2","6","9","6","7","9","1") = "8"
    & skf18("2","6","9","6","7","10","1") = "9"
    & skf18("2","6","9","6","8","1","1") = "8"
    & skf18("2","6","9","6","8","2","1") = "8"
    & skf18("2","6","9","6","8","3","1") = "8"
    & skf18("2","6","9","6","8","4","1") = "8"
    & skf18("2","6","9","6","8","5","1") = "8"
    & skf18("2","6","9","6","8","6","1") = "8"
    & skf18("2","6","9","6","8","7","1") = "8"
    & skf18("2","6","9","6","8","8","1") = "8"
    & skf18("2","6","9","6","8","9","1") = "8"
    & skf18("2","6","9","6","8","10","1") = "9"
    & skf18("2","6","9","6","9","1","1") = "8"
    & skf18("2","6","9","6","9","2","1") = "8"
    & skf18("2","6","9","6","9","3","1") = "8"
    & skf18("2","6","9","6","9","4","1") = "8"
    & skf18("2","6","9","6","9","5","1") = "8"
    & skf18("2","6","9","6","9","6","1") = "8"
    & skf18("2","6","9","6","9","7","1") = "8"
    & skf18("2","6","9","6","9","8","1") = "8"
    & skf18("2","6","9","6","9","9","1") = "8"
    & skf18("2","6","9","6","9","10","1") = "9"
    & skf18("2","6","9","6","10","1","1") = "9"
    & skf18("2","6","9","6","10","2","1") = "9"
    & skf18("2","6","9","6","10","3","1") = "9"
    & skf18("2","6","9","6","10","4","1") = "9"
    & skf18("2","6","9","6","10","5","1") = "9"
    & skf18("2","6","9","6","10","6","1") = "9"
    & skf18("2","6","9","6","10","7","1") = "9"
    & skf18("2","6","9","6","10","8","1") = "9"
    & skf18("2","6","9","6","10","9","1") = "9"
    & skf18("2","6","9","6","10","10","1") = "9"
    & skf18("2","6","9","7","1","1","1") = "8"
    & skf18("2","6","9","7","1","2","1") = "8"
    & skf18("2","6","9","7","1","3","1") = "8"
    & skf18("2","6","9","7","1","4","1") = "8"
    & skf18("2","6","9","7","1","5","1") = "8"
    & skf18("2","6","9","7","1","6","1") = "8"
    & skf18("2","6","9","7","1","7","1") = "8"
    & skf18("2","6","9","7","1","8","1") = "8"
    & skf18("2","6","9","7","1","9","1") = "8"
    & skf18("2","6","9","7","1","10","1") = "9"
    & skf18("2","6","9","7","2","1","1") = "8"
    & skf18("2","6","9","7","2","2","1") = "8"
    & skf18("2","6","9","7","2","3","1") = "8"
    & skf18("2","6","9","7","2","4","1") = "8"
    & skf18("2","6","9","7","2","5","1") = "8"
    & skf18("2","6","9","7","2","6","1") = "8"
    & skf18("2","6","9","7","2","7","1") = "8"
    & skf18("2","6","9","7","2","8","1") = "8"
    & skf18("2","6","9","7","2","9","1") = "8"
    & skf18("2","6","9","7","2","10","1") = "9"
    & skf18("2","6","9","7","3","1","1") = "8"
    & skf18("2","6","9","7","3","2","1") = "8"
    & skf18("2","6","9","7","3","3","1") = "8"
    & skf18("2","6","9","7","3","4","1") = "8"
    & skf18("2","6","9","7","3","5","1") = "8"
    & skf18("2","6","9","7","3","6","1") = "8"
    & skf18("2","6","9","7","3","7","1") = "8"
    & skf18("2","6","9","7","3","8","1") = "8"
    & skf18("2","6","9","7","3","9","1") = "8"
    & skf18("2","6","9","7","3","10","1") = "9"
    & skf18("2","6","9","7","4","1","1") = "8"
    & skf18("2","6","9","7","4","2","1") = "8"
    & skf18("2","6","9","7","4","3","1") = "8"
    & skf18("2","6","9","7","4","4","1") = "8"
    & skf18("2","6","9","7","4","5","1") = "8"
    & skf18("2","6","9","7","4","6","1") = "8"
    & skf18("2","6","9","7","4","7","1") = "8"
    & skf18("2","6","9","7","4","8","1") = "8"
    & skf18("2","6","9","7","4","9","1") = "8"
    & skf18("2","6","9","7","4","10","1") = "9"
    & skf18("2","6","9","7","5","1","1") = "8"
    & skf18("2","6","9","7","5","2","1") = "8"
    & skf18("2","6","9","7","5","3","1") = "8"
    & skf18("2","6","9","7","5","4","1") = "8"
    & skf18("2","6","9","7","5","5","1") = "8"
    & skf18("2","6","9","7","5","6","1") = "8"
    & skf18("2","6","9","7","5","7","1") = "8"
    & skf18("2","6","9","7","5","8","1") = "8"
    & skf18("2","6","9","7","5","9","1") = "8"
    & skf18("2","6","9","7","5","10","1") = "9"
    & skf18("2","6","9","7","6","1","1") = "8"
    & skf18("2","6","9","7","6","2","1") = "8"
    & skf18("2","6","9","7","6","3","1") = "8"
    & skf18("2","6","9","7","6","4","1") = "8"
    & skf18("2","6","9","7","6","5","1") = "8"
    & skf18("2","6","9","7","6","6","1") = "8"
    & skf18("2","6","9","7","6","7","1") = "8"
    & skf18("2","6","9","7","6","8","1") = "8"
    & skf18("2","6","9","7","6","9","1") = "8"
    & skf18("2","6","9","7","6","10","1") = "9"
    & skf18("2","6","9","7","7","1","1") = "8"
    & skf18("2","6","9","7","7","2","1") = "8"
    & skf18("2","6","9","7","7","3","1") = "8"
    & skf18("2","6","9","7","7","4","1") = "8"
    & skf18("2","6","9","7","7","5","1") = "8"
    & skf18("2","6","9","7","7","6","1") = "8"
    & skf18("2","6","9","7","7","7","1") = "8"
    & skf18("2","6","9","7","7","8","1") = "8"
    & skf18("2","6","9","7","7","9","1") = "8"
    & skf18("2","6","9","7","7","10","1") = "9"
    & skf18("2","6","9","7","8","1","1") = "8"
    & skf18("2","6","9","7","8","2","1") = "8"
    & skf18("2","6","9","7","8","3","1") = "8"
    & skf18("2","6","9","7","8","4","1") = "8"
    & skf18("2","6","9","7","8","5","1") = "8"
    & skf18("2","6","9","7","8","6","1") = "8"
    & skf18("2","6","9","7","8","7","1") = "8"
    & skf18("2","6","9","7","8","8","1") = "8"
    & skf18("2","6","9","7","8","9","1") = "8"
    & skf18("2","6","9","7","8","10","1") = "9"
    & skf18("2","6","9","7","9","1","1") = "8"
    & skf18("2","6","9","7","9","2","1") = "8"
    & skf18("2","6","9","7","9","3","1") = "8"
    & skf18("2","6","9","7","9","4","1") = "8"
    & skf18("2","6","9","7","9","5","1") = "8"
    & skf18("2","6","9","7","9","6","1") = "8"
    & skf18("2","6","9","7","9","7","1") = "8"
    & skf18("2","6","9","7","9","8","1") = "8"
    & skf18("2","6","9","7","9","9","1") = "8"
    & skf18("2","6","9","7","9","10","1") = "9"
    & skf18("2","6","9","7","10","1","1") = "9"
    & skf18("2","6","9","7","10","2","1") = "9"
    & skf18("2","6","9","7","10","3","1") = "9"
    & skf18("2","6","9","7","10","4","1") = "9"
    & skf18("2","6","9","7","10","5","1") = "9"
    & skf18("2","6","9","7","10","6","1") = "9"
    & skf18("2","6","9","7","10","7","1") = "9"
    & skf18("2","6","9","7","10","8","1") = "9"
    & skf18("2","6","9","7","10","9","1") = "9"
    & skf18("2","6","9","7","10","10","1") = "9"
    & skf18("2","6","9","8","1","1","1") = "8"
    & skf18("2","6","9","8","1","2","1") = "8"
    & skf18("2","6","9","8","1","3","1") = "8"
    & skf18("2","6","9","8","1","4","1") = "8"
    & skf18("2","6","9","8","1","5","1") = "8"
    & skf18("2","6","9","8","1","6","1") = "8"
    & skf18("2","6","9","8","1","7","1") = "8"
    & skf18("2","6","9","8","1","8","1") = "8"
    & skf18("2","6","9","8","1","9","1") = "8"
    & skf18("2","6","9","8","1","10","1") = "9"
    & skf18("2","6","9","8","2","1","1") = "8"
    & skf18("2","6","9","8","2","2","1") = "8"
    & skf18("2","6","9","8","2","3","1") = "8"
    & skf18("2","6","9","8","2","4","1") = "8"
    & skf18("2","6","9","8","2","5","1") = "8"
    & skf18("2","6","9","8","2","6","1") = "8"
    & skf18("2","6","9","8","2","7","1") = "8"
    & skf18("2","6","9","8","2","8","1") = "8"
    & skf18("2","6","9","8","2","9","1") = "8"
    & skf18("2","6","9","8","2","10","1") = "9"
    & skf18("2","6","9","8","3","1","1") = "8"
    & skf18("2","6","9","8","3","2","1") = "8"
    & skf18("2","6","9","8","3","3","1") = "8"
    & skf18("2","6","9","8","3","4","1") = "8"
    & skf18("2","6","9","8","3","5","1") = "8"
    & skf18("2","6","9","8","3","6","1") = "8"
    & skf18("2","6","9","8","3","7","1") = "8"
    & skf18("2","6","9","8","3","8","1") = "8"
    & skf18("2","6","9","8","3","9","1") = "8"
    & skf18("2","6","9","8","3","10","1") = "9"
    & skf18("2","6","9","8","4","1","1") = "8"
    & skf18("2","6","9","8","4","2","1") = "8"
    & skf18("2","6","9","8","4","3","1") = "8"
    & skf18("2","6","9","8","4","4","1") = "8"
    & skf18("2","6","9","8","4","5","1") = "8"
    & skf18("2","6","9","8","4","6","1") = "8"
    & skf18("2","6","9","8","4","7","1") = "8"
    & skf18("2","6","9","8","4","8","1") = "8"
    & skf18("2","6","9","8","4","9","1") = "8"
    & skf18("2","6","9","8","4","10","1") = "9"
    & skf18("2","6","9","8","5","1","1") = "8"
    & skf18("2","6","9","8","5","2","1") = "8"
    & skf18("2","6","9","8","5","3","1") = "8"
    & skf18("2","6","9","8","5","4","1") = "8"
    & skf18("2","6","9","8","5","5","1") = "8"
    & skf18("2","6","9","8","5","6","1") = "8"
    & skf18("2","6","9","8","5","7","1") = "8"
    & skf18("2","6","9","8","5","8","1") = "8"
    & skf18("2","6","9","8","5","9","1") = "8"
    & skf18("2","6","9","8","5","10","1") = "9"
    & skf18("2","6","9","8","6","1","1") = "8"
    & skf18("2","6","9","8","6","2","1") = "8"
    & skf18("2","6","9","8","6","3","1") = "8"
    & skf18("2","6","9","8","6","4","1") = "8"
    & skf18("2","6","9","8","6","5","1") = "8"
    & skf18("2","6","9","8","6","6","1") = "8"
    & skf18("2","6","9","8","6","7","1") = "8"
    & skf18("2","6","9","8","6","8","1") = "8"
    & skf18("2","6","9","8","6","9","1") = "8"
    & skf18("2","6","9","8","6","10","1") = "9"
    & skf18("2","6","9","8","7","1","1") = "8"
    & skf18("2","6","9","8","7","2","1") = "8"
    & skf18("2","6","9","8","7","3","1") = "8"
    & skf18("2","6","9","8","7","4","1") = "8"
    & skf18("2","6","9","8","7","5","1") = "8"
    & skf18("2","6","9","8","7","6","1") = "8"
    & skf18("2","6","9","8","7","7","1") = "8"
    & skf18("2","6","9","8","7","8","1") = "8"
    & skf18("2","6","9","8","7","9","1") = "8"
    & skf18("2","6","9","8","7","10","1") = "9"
    & skf18("2","6","9","8","8","1","1") = "8"
    & skf18("2","6","9","8","8","2","1") = "8"
    & skf18("2","6","9","8","8","3","1") = "8"
    & skf18("2","6","9","8","8","4","1") = "8"
    & skf18("2","6","9","8","8","5","1") = "8"
    & skf18("2","6","9","8","8","6","1") = "8"
    & skf18("2","6","9","8","8","7","1") = "8"
    & skf18("2","6","9","8","8","8","1") = "8"
    & skf18("2","6","9","8","8","9","1") = "8"
    & skf18("2","6","9","8","8","10","1") = "9"
    & skf18("2","6","9","8","9","1","1") = "8"
    & skf18("2","6","9","8","9","2","1") = "8"
    & skf18("2","6","9","8","9","3","1") = "8"
    & skf18("2","6","9","8","9","4","1") = "8"
    & skf18("2","6","9","8","9","5","1") = "8"
    & skf18("2","6","9","8","9","6","1") = "8"
    & skf18("2","6","9","8","9","7","1") = "8"
    & skf18("2","6","9","8","9","8","1") = "8"
    & skf18("2","6","9","8","9","9","1") = "8"
    & skf18("2","6","9","8","9","10","1") = "9"
    & skf18("2","6","9","8","10","1","1") = "9"
    & skf18("2","6","9","8","10","2","1") = "9"
    & skf18("2","6","9","8","10","3","1") = "9"
    & skf18("2","6","9","8","10","4","1") = "9"
    & skf18("2","6","9","8","10","5","1") = "9"
    & skf18("2","6","9","8","10","6","1") = "9"
    & skf18("2","6","9","8","10","7","1") = "9"
    & skf18("2","6","9","8","10","8","1") = "9"
    & skf18("2","6","9","8","10","9","1") = "9"
    & skf18("2","6","9","8","10","10","1") = "9"
    & skf18("2","6","9","9","1","1","1") = "8"
    & skf18("2","6","9","9","1","2","1") = "8"
    & skf18("2","6","9","9","1","3","1") = "8"
    & skf18("2","6","9","9","1","4","1") = "8"
    & skf18("2","6","9","9","1","5","1") = "8"
    & skf18("2","6","9","9","1","6","1") = "8"
    & skf18("2","6","9","9","1","7","1") = "8"
    & skf18("2","6","9","9","1","8","1") = "8"
    & skf18("2","6","9","9","1","9","1") = "8"
    & skf18("2","6","9","9","1","10","1") = "9"
    & skf18("2","6","9","9","2","1","1") = "8"
    & skf18("2","6","9","9","2","2","1") = "8"
    & skf18("2","6","9","9","2","3","1") = "8"
    & skf18("2","6","9","9","2","4","1") = "8"
    & skf18("2","6","9","9","2","5","1") = "8"
    & skf18("2","6","9","9","2","6","1") = "8"
    & skf18("2","6","9","9","2","7","1") = "8"
    & skf18("2","6","9","9","2","8","1") = "8"
    & skf18("2","6","9","9","2","9","1") = "8"
    & skf18("2","6","9","9","2","10","1") = "9"
    & skf18("2","6","9","9","3","1","1") = "8"
    & skf18("2","6","9","9","3","2","1") = "8"
    & skf18("2","6","9","9","3","3","1") = "8"
    & skf18("2","6","9","9","3","4","1") = "8"
    & skf18("2","6","9","9","3","5","1") = "8"
    & skf18("2","6","9","9","3","6","1") = "8"
    & skf18("2","6","9","9","3","7","1") = "8"
    & skf18("2","6","9","9","3","8","1") = "8"
    & skf18("2","6","9","9","3","9","1") = "8"
    & skf18("2","6","9","9","3","10","1") = "9"
    & skf18("2","6","9","9","4","1","1") = "8"
    & skf18("2","6","9","9","4","2","1") = "8"
    & skf18("2","6","9","9","4","3","1") = "8"
    & skf18("2","6","9","9","4","4","1") = "8"
    & skf18("2","6","9","9","4","5","1") = "8"
    & skf18("2","6","9","9","4","6","1") = "8"
    & skf18("2","6","9","9","4","7","1") = "8"
    & skf18("2","6","9","9","4","8","1") = "8"
    & skf18("2","6","9","9","4","9","1") = "8"
    & skf18("2","6","9","9","4","10","1") = "9"
    & skf18("2","6","9","9","5","1","1") = "8"
    & skf18("2","6","9","9","5","2","1") = "8"
    & skf18("2","6","9","9","5","3","1") = "8"
    & skf18("2","6","9","9","5","4","1") = "8"
    & skf18("2","6","9","9","5","5","1") = "8"
    & skf18("2","6","9","9","5","6","1") = "8"
    & skf18("2","6","9","9","5","7","1") = "8"
    & skf18("2","6","9","9","5","8","1") = "8"
    & skf18("2","6","9","9","5","9","1") = "8"
    & skf18("2","6","9","9","5","10","1") = "9"
    & skf18("2","6","9","9","6","1","1") = "8"
    & skf18("2","6","9","9","6","2","1") = "8"
    & skf18("2","6","9","9","6","3","1") = "8"
    & skf18("2","6","9","9","6","4","1") = "8"
    & skf18("2","6","9","9","6","5","1") = "8"
    & skf18("2","6","9","9","6","6","1") = "8"
    & skf18("2","6","9","9","6","7","1") = "8"
    & skf18("2","6","9","9","6","8","1") = "8"
    & skf18("2","6","9","9","6","9","1") = "8"
    & skf18("2","6","9","9","6","10","1") = "9"
    & skf18("2","6","9","9","7","1","1") = "8"
    & skf18("2","6","9","9","7","2","1") = "8"
    & skf18("2","6","9","9","7","3","1") = "8"
    & skf18("2","6","9","9","7","4","1") = "8"
    & skf18("2","6","9","9","7","5","1") = "8"
    & skf18("2","6","9","9","7","6","1") = "8"
    & skf18("2","6","9","9","7","7","1") = "8"
    & skf18("2","6","9","9","7","8","1") = "8"
    & skf18("2","6","9","9","7","9","1") = "8"
    & skf18("2","6","9","9","7","10","1") = "9"
    & skf18("2","6","9","9","8","1","1") = "8"
    & skf18("2","6","9","9","8","2","1") = "8"
    & skf18("2","6","9","9","8","3","1") = "8"
    & skf18("2","6","9","9","8","4","1") = "8"
    & skf18("2","6","9","9","8","5","1") = "8"
    & skf18("2","6","9","9","8","6","1") = "8"
    & skf18("2","6","9","9","8","7","1") = "8"
    & skf18("2","6","9","9","8","8","1") = "8"
    & skf18("2","6","9","9","8","9","1") = "8"
    & skf18("2","6","9","9","8","10","1") = "9"
    & skf18("2","6","9","9","9","1","1") = "8"
    & skf18("2","6","9","9","9","2","1") = "8"
    & skf18("2","6","9","9","9","3","1") = "8"
    & skf18("2","6","9","9","9","4","1") = "8"
    & skf18("2","6","9","9","9","5","1") = "8"
    & skf18("2","6","9","9","9","6","1") = "8"
    & skf18("2","6","9","9","9","7","1") = "8"
    & skf18("2","6","9","9","9","8","1") = "8"
    & skf18("2","6","9","9","9","9","1") = "8"
    & skf18("2","6","9","9","9","10","1") = "9"
    & skf18("2","6","9","9","10","1","1") = "9"
    & skf18("2","6","9","9","10","2","1") = "9"
    & skf18("2","6","9","9","10","3","1") = "9"
    & skf18("2","6","9","9","10","4","1") = "9"
    & skf18("2","6","9","9","10","5","1") = "9"
    & skf18("2","6","9","9","10","6","1") = "9"
    & skf18("2","6","9","9","10","7","1") = "9"
    & skf18("2","6","9","9","10","8","1") = "9"
    & skf18("2","6","9","9","10","9","1") = "9"
    & skf18("2","6","9","9","10","10","1") = "9"
    & skf18("2","6","9","10","1","1","1") = "9"
    & skf18("2","6","9","10","1","2","1") = "9"
    & skf18("2","6","9","10","1","3","1") = "9"
    & skf18("2","6","9","10","1","4","1") = "9"
    & skf18("2","6","9","10","1","5","1") = "9"
    & skf18("2","6","9","10","1","6","1") = "9"
    & skf18("2","6","9","10","1","7","1") = "9"
    & skf18("2","6","9","10","1","8","1") = "9"
    & skf18("2","6","9","10","1","9","1") = "9"
    & skf18("2","6","9","10","1","10","1") = "9"
    & skf18("2","6","9","10","2","1","1") = "9"
    & skf18("2","6","9","10","2","2","1") = "9"
    & skf18("2","6","9","10","2","3","1") = "9"
    & skf18("2","6","9","10","2","4","1") = "9"
    & skf18("2","6","9","10","2","5","1") = "9"
    & skf18("2","6","9","10","2","6","1") = "9"
    & skf18("2","6","9","10","2","7","1") = "9"
    & skf18("2","6","9","10","2","8","1") = "9"
    & skf18("2","6","9","10","2","9","1") = "9"
    & skf18("2","6","9","10","2","10","1") = "9"
    & skf18("2","6","9","10","3","1","1") = "9"
    & skf18("2","6","9","10","3","2","1") = "9"
    & skf18("2","6","9","10","3","3","1") = "9"
    & skf18("2","6","9","10","3","4","1") = "9"
    & skf18("2","6","9","10","3","5","1") = "9"
    & skf18("2","6","9","10","3","6","1") = "9"
    & skf18("2","6","9","10","3","7","1") = "9"
    & skf18("2","6","9","10","3","8","1") = "9"
    & skf18("2","6","9","10","3","9","1") = "9"
    & skf18("2","6","9","10","3","10","1") = "9"
    & skf18("2","6","9","10","4","1","1") = "9"
    & skf18("2","6","9","10","4","2","1") = "9"
    & skf18("2","6","9","10","4","3","1") = "9"
    & skf18("2","6","9","10","4","4","1") = "9"
    & skf18("2","6","9","10","4","5","1") = "9"
    & skf18("2","6","9","10","4","6","1") = "9"
    & skf18("2","6","9","10","4","7","1") = "9"
    & skf18("2","6","9","10","4","8","1") = "9"
    & skf18("2","6","9","10","4","9","1") = "9"
    & skf18("2","6","9","10","4","10","1") = "9"
    & skf18("2","6","9","10","5","1","1") = "9"
    & skf18("2","6","9","10","5","2","1") = "9"
    & skf18("2","6","9","10","5","3","1") = "9"
    & skf18("2","6","9","10","5","4","1") = "9"
    & skf18("2","6","9","10","5","5","1") = "9"
    & skf18("2","6","9","10","5","6","1") = "9"
    & skf18("2","6","9","10","5","7","1") = "9"
    & skf18("2","6","9","10","5","8","1") = "9"
    & skf18("2","6","9","10","5","9","1") = "9"
    & skf18("2","6","9","10","5","10","1") = "9"
    & skf18("2","6","9","10","6","1","1") = "9"
    & skf18("2","6","9","10","6","2","1") = "9"
    & skf18("2","6","9","10","6","3","1") = "9"
    & skf18("2","6","9","10","6","4","1") = "9"
    & skf18("2","6","9","10","6","5","1") = "9"
    & skf18("2","6","9","10","6","6","1") = "9"
    & skf18("2","6","9","10","6","7","1") = "9"
    & skf18("2","6","9","10","6","8","1") = "9"
    & skf18("2","6","9","10","6","9","1") = "9"
    & skf18("2","6","9","10","6","10","1") = "9"
    & skf18("2","6","9","10","7","1","1") = "9"
    & skf18("2","6","9","10","7","2","1") = "9"
    & skf18("2","6","9","10","7","3","1") = "9"
    & skf18("2","6","9","10","7","4","1") = "9"
    & skf18("2","6","9","10","7","5","1") = "9"
    & skf18("2","6","9","10","7","6","1") = "9"
    & skf18("2","6","9","10","7","7","1") = "9"
    & skf18("2","6","9","10","7","8","1") = "9"
    & skf18("2","6","9","10","7","9","1") = "9"
    & skf18("2","6","9","10","7","10","1") = "9"
    & skf18("2","6","9","10","8","1","1") = "9"
    & skf18("2","6","9","10","8","2","1") = "9"
    & skf18("2","6","9","10","8","3","1") = "9"
    & skf18("2","6","9","10","8","4","1") = "9"
    & skf18("2","6","9","10","8","5","1") = "9"
    & skf18("2","6","9","10","8","6","1") = "9"
    & skf18("2","6","9","10","8","7","1") = "9"
    & skf18("2","6","9","10","8","8","1") = "9"
    & skf18("2","6","9","10","8","9","1") = "9"
    & skf18("2","6","9","10","8","10","1") = "9"
    & skf18("2","6","9","10","9","1","1") = "9"
    & skf18("2","6","9","10","9","2","1") = "9"
    & skf18("2","6","9","10","9","3","1") = "9"
    & skf18("2","6","9","10","9","4","1") = "9"
    & skf18("2","6","9","10","9","5","1") = "9"
    & skf18("2","6","9","10","9","6","1") = "9"
    & skf18("2","6","9","10","9","7","1") = "9"
    & skf18("2","6","9","10","9","8","1") = "9"
    & skf18("2","6","9","10","9","9","1") = "9"
    & skf18("2","6","9","10","9","10","1") = "9"
    & skf18("2","6","9","10","10","1","1") = "9"
    & skf18("2","6","9","10","10","2","1") = "9"
    & skf18("2","6","9","10","10","3","1") = "9"
    & skf18("2","6","9","10","10","4","1") = "9"
    & skf18("2","6","9","10","10","5","1") = "9"
    & skf18("2","6","9","10","10","6","1") = "9"
    & skf18("2","6","9","10","10","7","1") = "9"
    & skf18("2","6","9","10","10","8","1") = "9"
    & skf18("2","6","9","10","10","9","1") = "9"
    & skf18("2","6","9","10","10","10","1") = "9"
    & skf18("2","6","10","1","1","1","1") = "9"
    & skf18("2","6","10","1","1","2","1") = "9"
    & skf18("2","6","10","1","1","3","1") = "9"
    & skf18("2","6","10","1","1","4","1") = "9"
    & skf18("2","6","10","1","1","5","1") = "9"
    & skf18("2","6","10","1","1","6","1") = "9"
    & skf18("2","6","10","1","1","7","1") = "9"
    & skf18("2","6","10","1","1","8","1") = "9"
    & skf18("2","6","10","1","1","9","1") = "9"
    & skf18("2","6","10","1","1","10","1") = "9"
    & skf18("2","6","10","1","2","1","1") = "9"
    & skf18("2","6","10","1","2","2","1") = "9"
    & skf18("2","6","10","1","2","3","1") = "9"
    & skf18("2","6","10","1","2","4","1") = "9"
    & skf18("2","6","10","1","2","5","1") = "9"
    & skf18("2","6","10","1","2","6","1") = "9"
    & skf18("2","6","10","1","2","7","1") = "9"
    & skf18("2","6","10","1","2","8","1") = "9"
    & skf18("2","6","10","1","2","9","1") = "9"
    & skf18("2","6","10","1","2","10","1") = "9"
    & skf18("2","6","10","1","3","1","1") = "9"
    & skf18("2","6","10","1","3","2","1") = "9"
    & skf18("2","6","10","1","3","3","1") = "9"
    & skf18("2","6","10","1","3","4","1") = "9"
    & skf18("2","6","10","1","3","5","1") = "9"
    & skf18("2","6","10","1","3","6","1") = "9"
    & skf18("2","6","10","1","3","7","1") = "9"
    & skf18("2","6","10","1","3","8","1") = "9"
    & skf18("2","6","10","1","3","9","1") = "9"
    & skf18("2","6","10","1","3","10","1") = "9"
    & skf18("2","6","10","1","4","1","1") = "9"
    & skf18("2","6","10","1","4","2","1") = "9"
    & skf18("2","6","10","1","4","3","1") = "9"
    & skf18("2","6","10","1","4","4","1") = "9"
    & skf18("2","6","10","1","4","5","1") = "9"
    & skf18("2","6","10","1","4","6","1") = "9"
    & skf18("2","6","10","1","4","7","1") = "9"
    & skf18("2","6","10","1","4","8","1") = "9"
    & skf18("2","6","10","1","4","9","1") = "9"
    & skf18("2","6","10","1","4","10","1") = "9"
    & skf18("2","6","10","1","5","1","1") = "9"
    & skf18("2","6","10","1","5","2","1") = "9"
    & skf18("2","6","10","1","5","3","1") = "9"
    & skf18("2","6","10","1","5","4","1") = "9"
    & skf18("2","6","10","1","5","5","1") = "9"
    & skf18("2","6","10","1","5","6","1") = "9"
    & skf18("2","6","10","1","5","7","1") = "9"
    & skf18("2","6","10","1","5","8","1") = "9"
    & skf18("2","6","10","1","5","9","1") = "9"
    & skf18("2","6","10","1","5","10","1") = "9"
    & skf18("2","6","10","1","6","1","1") = "9"
    & skf18("2","6","10","1","6","2","1") = "9"
    & skf18("2","6","10","1","6","3","1") = "9"
    & skf18("2","6","10","1","6","4","1") = "9"
    & skf18("2","6","10","1","6","5","1") = "9"
    & skf18("2","6","10","1","6","6","1") = "9"
    & skf18("2","6","10","1","6","7","1") = "9"
    & skf18("2","6","10","1","6","8","1") = "9"
    & skf18("2","6","10","1","6","9","1") = "9"
    & skf18("2","6","10","1","6","10","1") = "9"
    & skf18("2","6","10","1","7","1","1") = "9"
    & skf18("2","6","10","1","7","2","1") = "9"
    & skf18("2","6","10","1","7","3","1") = "9"
    & skf18("2","6","10","1","7","4","1") = "9"
    & skf18("2","6","10","1","7","5","1") = "9"
    & skf18("2","6","10","1","7","6","1") = "9"
    & skf18("2","6","10","1","7","7","1") = "9"
    & skf18("2","6","10","1","7","8","1") = "9"
    & skf18("2","6","10","1","7","9","1") = "9"
    & skf18("2","6","10","1","7","10","1") = "9"
    & skf18("2","6","10","1","8","1","1") = "9"
    & skf18("2","6","10","1","8","2","1") = "9"
    & skf18("2","6","10","1","8","3","1") = "9"
    & skf18("2","6","10","1","8","4","1") = "9"
    & skf18("2","6","10","1","8","5","1") = "9"
    & skf18("2","6","10","1","8","6","1") = "9"
    & skf18("2","6","10","1","8","7","1") = "9"
    & skf18("2","6","10","1","8","8","1") = "9"
    & skf18("2","6","10","1","8","9","1") = "9"
    & skf18("2","6","10","1","8","10","1") = "9"
    & skf18("2","6","10","1","9","1","1") = "9"
    & skf18("2","6","10","1","9","2","1") = "9"
    & skf18("2","6","10","1","9","3","1") = "9"
    & skf18("2","6","10","1","9","4","1") = "9"
    & skf18("2","6","10","1","9","5","1") = "9"
    & skf18("2","6","10","1","9","6","1") = "9"
    & skf18("2","6","10","1","9","7","1") = "9"
    & skf18("2","6","10","1","9","8","1") = "9"
    & skf18("2","6","10","1","9","9","1") = "9"
    & skf18("2","6","10","1","9","10","1") = "9"
    & skf18("2","6","10","1","10","1","1") = "9"
    & skf18("2","6","10","1","10","2","1") = "9"
    & skf18("2","6","10","1","10","3","1") = "9"
    & skf18("2","6","10","1","10","4","1") = "9"
    & skf18("2","6","10","1","10","5","1") = "9"
    & skf18("2","6","10","1","10","6","1") = "9"
    & skf18("2","6","10","1","10","7","1") = "9"
    & skf18("2","6","10","1","10","8","1") = "9"
    & skf18("2","6","10","1","10","9","1") = "9"
    & skf18("2","6","10","1","10","10","1") = "9"
    & skf18("2","6","10","2","1","1","1") = "9"
    & skf18("2","6","10","2","1","2","1") = "9"
    & skf18("2","6","10","2","1","3","1") = "9"
    & skf18("2","6","10","2","1","4","1") = "9"
    & skf18("2","6","10","2","1","5","1") = "9"
    & skf18("2","6","10","2","1","6","1") = "9"
    & skf18("2","6","10","2","1","7","1") = "9"
    & skf18("2","6","10","2","1","8","1") = "9"
    & skf18("2","6","10","2","1","9","1") = "9"
    & skf18("2","6","10","2","1","10","1") = "9"
    & skf18("2","6","10","2","2","1","1") = "9"
    & skf18("2","6","10","2","2","2","1") = "9"
    & skf18("2","6","10","2","2","3","1") = "9"
    & skf18("2","6","10","2","2","4","1") = "9"
    & skf18("2","6","10","2","2","5","1") = "9"
    & skf18("2","6","10","2","2","6","1") = "9"
    & skf18("2","6","10","2","2","7","1") = "9"
    & skf18("2","6","10","2","2","8","1") = "9"
    & skf18("2","6","10","2","2","9","1") = "9"
    & skf18("2","6","10","2","2","10","1") = "9"
    & skf18("2","6","10","2","3","1","1") = "9"
    & skf18("2","6","10","2","3","2","1") = "9"
    & skf18("2","6","10","2","3","3","1") = "9"
    & skf18("2","6","10","2","3","4","1") = "9"
    & skf18("2","6","10","2","3","5","1") = "9"
    & skf18("2","6","10","2","3","6","1") = "9"
    & skf18("2","6","10","2","3","7","1") = "9"
    & skf18("2","6","10","2","3","8","1") = "9"
    & skf18("2","6","10","2","3","9","1") = "9"
    & skf18("2","6","10","2","3","10","1") = "9"
    & skf18("2","6","10","2","4","1","1") = "9"
    & skf18("2","6","10","2","4","2","1") = "9"
    & skf18("2","6","10","2","4","3","1") = "9"
    & skf18("2","6","10","2","4","4","1") = "9"
    & skf18("2","6","10","2","4","5","1") = "9"
    & skf18("2","6","10","2","4","6","1") = "9"
    & skf18("2","6","10","2","4","7","1") = "9"
    & skf18("2","6","10","2","4","8","1") = "9"
    & skf18("2","6","10","2","4","9","1") = "9"
    & skf18("2","6","10","2","4","10","1") = "9"
    & skf18("2","6","10","2","5","1","1") = "9"
    & skf18("2","6","10","2","5","2","1") = "9"
    & skf18("2","6","10","2","5","3","1") = "9"
    & skf18("2","6","10","2","5","4","1") = "9"
    & skf18("2","6","10","2","5","5","1") = "9"
    & skf18("2","6","10","2","5","6","1") = "9"
    & skf18("2","6","10","2","5","7","1") = "9"
    & skf18("2","6","10","2","5","8","1") = "9"
    & skf18("2","6","10","2","5","9","1") = "9"
    & skf18("2","6","10","2","5","10","1") = "9"
    & skf18("2","6","10","2","6","1","1") = "9"
    & skf18("2","6","10","2","6","2","1") = "9"
    & skf18("2","6","10","2","6","3","1") = "9"
    & skf18("2","6","10","2","6","4","1") = "9"
    & skf18("2","6","10","2","6","5","1") = "9"
    & skf18("2","6","10","2","6","6","1") = "9"
    & skf18("2","6","10","2","6","7","1") = "9"
    & skf18("2","6","10","2","6","8","1") = "9"
    & skf18("2","6","10","2","6","9","1") = "9"
    & skf18("2","6","10","2","6","10","1") = "9"
    & skf18("2","6","10","2","7","1","1") = "9"
    & skf18("2","6","10","2","7","2","1") = "9"
    & skf18("2","6","10","2","7","3","1") = "9"
    & skf18("2","6","10","2","7","4","1") = "9"
    & skf18("2","6","10","2","7","5","1") = "9"
    & skf18("2","6","10","2","7","6","1") = "9"
    & skf18("2","6","10","2","7","7","1") = "9"
    & skf18("2","6","10","2","7","8","1") = "9"
    & skf18("2","6","10","2","7","9","1") = "9"
    & skf18("2","6","10","2","7","10","1") = "9"
    & skf18("2","6","10","2","8","1","1") = "9"
    & skf18("2","6","10","2","8","2","1") = "9"
    & skf18("2","6","10","2","8","3","1") = "9"
    & skf18("2","6","10","2","8","4","1") = "9"
    & skf18("2","6","10","2","8","5","1") = "9"
    & skf18("2","6","10","2","8","6","1") = "9"
    & skf18("2","6","10","2","8","7","1") = "9"
    & skf18("2","6","10","2","8","8","1") = "9"
    & skf18("2","6","10","2","8","9","1") = "9"
    & skf18("2","6","10","2","8","10","1") = "9"
    & skf18("2","6","10","2","9","1","1") = "9"
    & skf18("2","6","10","2","9","2","1") = "9"
    & skf18("2","6","10","2","9","3","1") = "9"
    & skf18("2","6","10","2","9","4","1") = "9"
    & skf18("2","6","10","2","9","5","1") = "9"
    & skf18("2","6","10","2","9","6","1") = "9"
    & skf18("2","6","10","2","9","7","1") = "9"
    & skf18("2","6","10","2","9","8","1") = "9"
    & skf18("2","6","10","2","9","9","1") = "9"
    & skf18("2","6","10","2","9","10","1") = "9"
    & skf18("2","6","10","2","10","1","1") = "9"
    & skf18("2","6","10","2","10","2","1") = "9"
    & skf18("2","6","10","2","10","3","1") = "9"
    & skf18("2","6","10","2","10","4","1") = "9"
    & skf18("2","6","10","2","10","5","1") = "9"
    & skf18("2","6","10","2","10","6","1") = "9"
    & skf18("2","6","10","2","10","7","1") = "9"
    & skf18("2","6","10","2","10","8","1") = "9"
    & skf18("2","6","10","2","10","9","1") = "9"
    & skf18("2","6","10","2","10","10","1") = "9"
    & skf18("2","6","10","3","1","1","1") = "9"
    & skf18("2","6","10","3","1","2","1") = "9"
    & skf18("2","6","10","3","1","3","1") = "9"
    & skf18("2","6","10","3","1","4","1") = "9"
    & skf18("2","6","10","3","1","5","1") = "9"
    & skf18("2","6","10","3","1","6","1") = "9"
    & skf18("2","6","10","3","1","7","1") = "9"
    & skf18("2","6","10","3","1","8","1") = "9"
    & skf18("2","6","10","3","1","9","1") = "9"
    & skf18("2","6","10","3","1","10","1") = "9"
    & skf18("2","6","10","3","2","1","1") = "9"
    & skf18("2","6","10","3","2","2","1") = "9"
    & skf18("2","6","10","3","2","3","1") = "9"
    & skf18("2","6","10","3","2","4","1") = "9"
    & skf18("2","6","10","3","2","5","1") = "9"
    & skf18("2","6","10","3","2","6","1") = "9"
    & skf18("2","6","10","3","2","7","1") = "9"
    & skf18("2","6","10","3","2","8","1") = "9"
    & skf18("2","6","10","3","2","9","1") = "9"
    & skf18("2","6","10","3","2","10","1") = "9"
    & skf18("2","6","10","3","3","1","1") = "9"
    & skf18("2","6","10","3","3","2","1") = "9"
    & skf18("2","6","10","3","3","3","1") = "9"
    & skf18("2","6","10","3","3","4","1") = "9"
    & skf18("2","6","10","3","3","5","1") = "9"
    & skf18("2","6","10","3","3","6","1") = "9"
    & skf18("2","6","10","3","3","7","1") = "9"
    & skf18("2","6","10","3","3","8","1") = "9"
    & skf18("2","6","10","3","3","9","1") = "9"
    & skf18("2","6","10","3","3","10","1") = "9"
    & skf18("2","6","10","3","4","1","1") = "9"
    & skf18("2","6","10","3","4","2","1") = "9"
    & skf18("2","6","10","3","4","3","1") = "9"
    & skf18("2","6","10","3","4","4","1") = "9"
    & skf18("2","6","10","3","4","5","1") = "9"
    & skf18("2","6","10","3","4","6","1") = "9"
    & skf18("2","6","10","3","4","7","1") = "9"
    & skf18("2","6","10","3","4","8","1") = "9"
    & skf18("2","6","10","3","4","9","1") = "9"
    & skf18("2","6","10","3","4","10","1") = "9"
    & skf18("2","6","10","3","5","1","1") = "9"
    & skf18("2","6","10","3","5","2","1") = "9"
    & skf18("2","6","10","3","5","3","1") = "9"
    & skf18("2","6","10","3","5","4","1") = "9"
    & skf18("2","6","10","3","5","5","1") = "9"
    & skf18("2","6","10","3","5","6","1") = "9"
    & skf18("2","6","10","3","5","7","1") = "9"
    & skf18("2","6","10","3","5","8","1") = "9"
    & skf18("2","6","10","3","5","9","1") = "9"
    & skf18("2","6","10","3","5","10","1") = "9"
    & skf18("2","6","10","3","6","1","1") = "9"
    & skf18("2","6","10","3","6","2","1") = "9"
    & skf18("2","6","10","3","6","3","1") = "9"
    & skf18("2","6","10","3","6","4","1") = "9"
    & skf18("2","6","10","3","6","5","1") = "9"
    & skf18("2","6","10","3","6","6","1") = "9"
    & skf18("2","6","10","3","6","7","1") = "9"
    & skf18("2","6","10","3","6","8","1") = "9"
    & skf18("2","6","10","3","6","9","1") = "9"
    & skf18("2","6","10","3","6","10","1") = "9"
    & skf18("2","6","10","3","7","1","1") = "9"
    & skf18("2","6","10","3","7","2","1") = "9"
    & skf18("2","6","10","3","7","3","1") = "9"
    & skf18("2","6","10","3","7","4","1") = "9"
    & skf18("2","6","10","3","7","5","1") = "9"
    & skf18("2","6","10","3","7","6","1") = "9"
    & skf18("2","6","10","3","7","7","1") = "9"
    & skf18("2","6","10","3","7","8","1") = "9"
    & skf18("2","6","10","3","7","9","1") = "9"
    & skf18("2","6","10","3","7","10","1") = "9"
    & skf18("2","6","10","3","8","1","1") = "9"
    & skf18("2","6","10","3","8","2","1") = "9"
    & skf18("2","6","10","3","8","3","1") = "9"
    & skf18("2","6","10","3","8","4","1") = "9"
    & skf18("2","6","10","3","8","5","1") = "9"
    & skf18("2","6","10","3","8","6","1") = "9"
    & skf18("2","6","10","3","8","7","1") = "9"
    & skf18("2","6","10","3","8","8","1") = "9"
    & skf18("2","6","10","3","8","9","1") = "9"
    & skf18("2","6","10","3","8","10","1") = "9"
    & skf18("2","6","10","3","9","1","1") = "9"
    & skf18("2","6","10","3","9","2","1") = "9"
    & skf18("2","6","10","3","9","3","1") = "9"
    & skf18("2","6","10","3","9","4","1") = "9"
    & skf18("2","6","10","3","9","5","1") = "9"
    & skf18("2","6","10","3","9","6","1") = "9"
    & skf18("2","6","10","3","9","7","1") = "9"
    & skf18("2","6","10","3","9","8","1") = "9"
    & skf18("2","6","10","3","9","9","1") = "9"
    & skf18("2","6","10","3","9","10","1") = "9"
    & skf18("2","6","10","3","10","1","1") = "9"
    & skf18("2","6","10","3","10","2","1") = "9"
    & skf18("2","6","10","3","10","3","1") = "9"
    & skf18("2","6","10","3","10","4","1") = "9"
    & skf18("2","6","10","3","10","5","1") = "9"
    & skf18("2","6","10","3","10","6","1") = "9"
    & skf18("2","6","10","3","10","7","1") = "9"
    & skf18("2","6","10","3","10","8","1") = "9"
    & skf18("2","6","10","3","10","9","1") = "9"
    & skf18("2","6","10","3","10","10","1") = "9"
    & skf18("2","6","10","4","1","1","1") = "9"
    & skf18("2","6","10","4","1","2","1") = "9"
    & skf18("2","6","10","4","1","3","1") = "9"
    & skf18("2","6","10","4","1","4","1") = "9"
    & skf18("2","6","10","4","1","5","1") = "9"
    & skf18("2","6","10","4","1","6","1") = "9"
    & skf18("2","6","10","4","1","7","1") = "9"
    & skf18("2","6","10","4","1","8","1") = "9"
    & skf18("2","6","10","4","1","9","1") = "9"
    & skf18("2","6","10","4","1","10","1") = "9"
    & skf18("2","6","10","4","2","1","1") = "9"
    & skf18("2","6","10","4","2","2","1") = "9"
    & skf18("2","6","10","4","2","3","1") = "9"
    & skf18("2","6","10","4","2","4","1") = "9"
    & skf18("2","6","10","4","2","5","1") = "9"
    & skf18("2","6","10","4","2","6","1") = "9"
    & skf18("2","6","10","4","2","7","1") = "9"
    & skf18("2","6","10","4","2","8","1") = "9"
    & skf18("2","6","10","4","2","9","1") = "9"
    & skf18("2","6","10","4","2","10","1") = "9"
    & skf18("2","6","10","4","3","1","1") = "9"
    & skf18("2","6","10","4","3","2","1") = "9"
    & skf18("2","6","10","4","3","3","1") = "9"
    & skf18("2","6","10","4","3","4","1") = "9"
    & skf18("2","6","10","4","3","5","1") = "9"
    & skf18("2","6","10","4","3","6","1") = "9"
    & skf18("2","6","10","4","3","7","1") = "9"
    & skf18("2","6","10","4","3","8","1") = "9"
    & skf18("2","6","10","4","3","9","1") = "9"
    & skf18("2","6","10","4","3","10","1") = "9"
    & skf18("2","6","10","4","4","1","1") = "9"
    & skf18("2","6","10","4","4","2","1") = "9"
    & skf18("2","6","10","4","4","3","1") = "9"
    & skf18("2","6","10","4","4","4","1") = "9"
    & skf18("2","6","10","4","4","5","1") = "9"
    & skf18("2","6","10","4","4","6","1") = "9"
    & skf18("2","6","10","4","4","7","1") = "9"
    & skf18("2","6","10","4","4","8","1") = "9"
    & skf18("2","6","10","4","4","9","1") = "9"
    & skf18("2","6","10","4","4","10","1") = "9"
    & skf18("2","6","10","4","5","1","1") = "9"
    & skf18("2","6","10","4","5","2","1") = "9"
    & skf18("2","6","10","4","5","3","1") = "9"
    & skf18("2","6","10","4","5","4","1") = "9"
    & skf18("2","6","10","4","5","5","1") = "9"
    & skf18("2","6","10","4","5","6","1") = "9"
    & skf18("2","6","10","4","5","7","1") = "9"
    & skf18("2","6","10","4","5","8","1") = "9"
    & skf18("2","6","10","4","5","9","1") = "9"
    & skf18("2","6","10","4","5","10","1") = "9"
    & skf18("2","6","10","4","6","1","1") = "9"
    & skf18("2","6","10","4","6","2","1") = "9"
    & skf18("2","6","10","4","6","3","1") = "9"
    & skf18("2","6","10","4","6","4","1") = "9"
    & skf18("2","6","10","4","6","5","1") = "9"
    & skf18("2","6","10","4","6","6","1") = "9"
    & skf18("2","6","10","4","6","7","1") = "9"
    & skf18("2","6","10","4","6","8","1") = "9"
    & skf18("2","6","10","4","6","9","1") = "9"
    & skf18("2","6","10","4","6","10","1") = "9"
    & skf18("2","6","10","4","7","1","1") = "9"
    & skf18("2","6","10","4","7","2","1") = "9"
    & skf18("2","6","10","4","7","3","1") = "9"
    & skf18("2","6","10","4","7","4","1") = "9"
    & skf18("2","6","10","4","7","5","1") = "9"
    & skf18("2","6","10","4","7","6","1") = "9"
    & skf18("2","6","10","4","7","7","1") = "9"
    & skf18("2","6","10","4","7","8","1") = "9"
    & skf18("2","6","10","4","7","9","1") = "9"
    & skf18("2","6","10","4","7","10","1") = "9"
    & skf18("2","6","10","4","8","1","1") = "9"
    & skf18("2","6","10","4","8","2","1") = "9"
    & skf18("2","6","10","4","8","3","1") = "9"
    & skf18("2","6","10","4","8","4","1") = "9"
    & skf18("2","6","10","4","8","5","1") = "9"
    & skf18("2","6","10","4","8","6","1") = "9"
    & skf18("2","6","10","4","8","7","1") = "9"
    & skf18("2","6","10","4","8","8","1") = "9"
    & skf18("2","6","10","4","8","9","1") = "9"
    & skf18("2","6","10","4","8","10","1") = "9"
    & skf18("2","6","10","4","9","1","1") = "9"
    & skf18("2","6","10","4","9","2","1") = "9"
    & skf18("2","6","10","4","9","3","1") = "9"
    & skf18("2","6","10","4","9","4","1") = "9"
    & skf18("2","6","10","4","9","5","1") = "9"
    & skf18("2","6","10","4","9","6","1") = "9"
    & skf18("2","6","10","4","9","7","1") = "9"
    & skf18("2","6","10","4","9","8","1") = "9"
    & skf18("2","6","10","4","9","9","1") = "9"
    & skf18("2","6","10","4","9","10","1") = "9"
    & skf18("2","6","10","4","10","1","1") = "9"
    & skf18("2","6","10","4","10","2","1") = "9"
    & skf18("2","6","10","4","10","3","1") = "9"
    & skf18("2","6","10","4","10","4","1") = "9"
    & skf18("2","6","10","4","10","5","1") = "9"
    & skf18("2","6","10","4","10","6","1") = "9"
    & skf18("2","6","10","4","10","7","1") = "9"
    & skf18("2","6","10","4","10","8","1") = "9"
    & skf18("2","6","10","4","10","9","1") = "9"
    & skf18("2","6","10","4","10","10","1") = "9"
    & skf18("2","6","10","5","1","1","1") = "9"
    & skf18("2","6","10","5","1","2","1") = "9"
    & skf18("2","6","10","5","1","3","1") = "9"
    & skf18("2","6","10","5","1","4","1") = "9"
    & skf18("2","6","10","5","1","5","1") = "9"
    & skf18("2","6","10","5","1","6","1") = "9"
    & skf18("2","6","10","5","1","7","1") = "9"
    & skf18("2","6","10","5","1","8","1") = "9"
    & skf18("2","6","10","5","1","9","1") = "9"
    & skf18("2","6","10","5","1","10","1") = "9"
    & skf18("2","6","10","5","2","1","1") = "9"
    & skf18("2","6","10","5","2","2","1") = "9"
    & skf18("2","6","10","5","2","3","1") = "9"
    & skf18("2","6","10","5","2","4","1") = "9"
    & skf18("2","6","10","5","2","5","1") = "9"
    & skf18("2","6","10","5","2","6","1") = "9"
    & skf18("2","6","10","5","2","7","1") = "9"
    & skf18("2","6","10","5","2","8","1") = "9"
    & skf18("2","6","10","5","2","9","1") = "9"
    & skf18("2","6","10","5","2","10","1") = "9"
    & skf18("2","6","10","5","3","1","1") = "9"
    & skf18("2","6","10","5","3","2","1") = "9"
    & skf18("2","6","10","5","3","3","1") = "9"
    & skf18("2","6","10","5","3","4","1") = "9"
    & skf18("2","6","10","5","3","5","1") = "9"
    & skf18("2","6","10","5","3","6","1") = "9"
    & skf18("2","6","10","5","3","7","1") = "9"
    & skf18("2","6","10","5","3","8","1") = "9"
    & skf18("2","6","10","5","3","9","1") = "9"
    & skf18("2","6","10","5","3","10","1") = "9"
    & skf18("2","6","10","5","4","1","1") = "9"
    & skf18("2","6","10","5","4","2","1") = "9"
    & skf18("2","6","10","5","4","3","1") = "9"
    & skf18("2","6","10","5","4","4","1") = "9"
    & skf18("2","6","10","5","4","5","1") = "9"
    & skf18("2","6","10","5","4","6","1") = "9"
    & skf18("2","6","10","5","4","7","1") = "9"
    & skf18("2","6","10","5","4","8","1") = "9"
    & skf18("2","6","10","5","4","9","1") = "9"
    & skf18("2","6","10","5","4","10","1") = "9"
    & skf18("2","6","10","5","5","1","1") = "9"
    & skf18("2","6","10","5","5","2","1") = "9"
    & skf18("2","6","10","5","5","3","1") = "9"
    & skf18("2","6","10","5","5","4","1") = "9"
    & skf18("2","6","10","5","5","5","1") = "9"
    & skf18("2","6","10","5","5","6","1") = "9"
    & skf18("2","6","10","5","5","7","1") = "9"
    & skf18("2","6","10","5","5","8","1") = "9"
    & skf18("2","6","10","5","5","9","1") = "9"
    & skf18("2","6","10","5","5","10","1") = "9"
    & skf18("2","6","10","5","6","1","1") = "9"
    & skf18("2","6","10","5","6","2","1") = "9"
    & skf18("2","6","10","5","6","3","1") = "9"
    & skf18("2","6","10","5","6","4","1") = "9"
    & skf18("2","6","10","5","6","5","1") = "9"
    & skf18("2","6","10","5","6","6","1") = "9"
    & skf18("2","6","10","5","6","7","1") = "9"
    & skf18("2","6","10","5","6","8","1") = "9"
    & skf18("2","6","10","5","6","9","1") = "9"
    & skf18("2","6","10","5","6","10","1") = "9"
    & skf18("2","6","10","5","7","1","1") = "9"
    & skf18("2","6","10","5","7","2","1") = "9"
    & skf18("2","6","10","5","7","3","1") = "9"
    & skf18("2","6","10","5","7","4","1") = "9"
    & skf18("2","6","10","5","7","5","1") = "9"
    & skf18("2","6","10","5","7","6","1") = "9"
    & skf18("2","6","10","5","7","7","1") = "9"
    & skf18("2","6","10","5","7","8","1") = "9"
    & skf18("2","6","10","5","7","9","1") = "9"
    & skf18("2","6","10","5","7","10","1") = "9"
    & skf18("2","6","10","5","8","1","1") = "9"
    & skf18("2","6","10","5","8","2","1") = "9"
    & skf18("2","6","10","5","8","3","1") = "9"
    & skf18("2","6","10","5","8","4","1") = "9"
    & skf18("2","6","10","5","8","5","1") = "9"
    & skf18("2","6","10","5","8","6","1") = "9"
    & skf18("2","6","10","5","8","7","1") = "9"
    & skf18("2","6","10","5","8","8","1") = "9"
    & skf18("2","6","10","5","8","9","1") = "9"
    & skf18("2","6","10","5","8","10","1") = "9"
    & skf18("2","6","10","5","9","1","1") = "9"
    & skf18("2","6","10","5","9","2","1") = "9"
    & skf18("2","6","10","5","9","3","1") = "9"
    & skf18("2","6","10","5","9","4","1") = "9"
    & skf18("2","6","10","5","9","5","1") = "9"
    & skf18("2","6","10","5","9","6","1") = "9"
    & skf18("2","6","10","5","9","7","1") = "9"
    & skf18("2","6","10","5","9","8","1") = "9"
    & skf18("2","6","10","5","9","9","1") = "9"
    & skf18("2","6","10","5","9","10","1") = "9"
    & skf18("2","6","10","5","10","1","1") = "9"
    & skf18("2","6","10","5","10","2","1") = "9"
    & skf18("2","6","10","5","10","3","1") = "9"
    & skf18("2","6","10","5","10","4","1") = "9"
    & skf18("2","6","10","5","10","5","1") = "9"
    & skf18("2","6","10","5","10","6","1") = "9"
    & skf18("2","6","10","5","10","7","1") = "9"
    & skf18("2","6","10","5","10","8","1") = "9"
    & skf18("2","6","10","5","10","9","1") = "9"
    & skf18("2","6","10","5","10","10","1") = "9"
    & skf18("2","6","10","6","1","1","1") = "9"
    & skf18("2","6","10","6","1","2","1") = "9"
    & skf18("2","6","10","6","1","3","1") = "9"
    & skf18("2","6","10","6","1","4","1") = "9"
    & skf18("2","6","10","6","1","5","1") = "9"
    & skf18("2","6","10","6","1","6","1") = "9"
    & skf18("2","6","10","6","1","7","1") = "9"
    & skf18("2","6","10","6","1","8","1") = "9"
    & skf18("2","6","10","6","1","9","1") = "9"
    & skf18("2","6","10","6","1","10","1") = "9"
    & skf18("2","6","10","6","2","1","1") = "9"
    & skf18("2","6","10","6","2","2","1") = "9"
    & skf18("2","6","10","6","2","3","1") = "9"
    & skf18("2","6","10","6","2","4","1") = "9"
    & skf18("2","6","10","6","2","5","1") = "9"
    & skf18("2","6","10","6","2","6","1") = "9"
    & skf18("2","6","10","6","2","7","1") = "9"
    & skf18("2","6","10","6","2","8","1") = "9"
    & skf18("2","6","10","6","2","9","1") = "9"
    & skf18("2","6","10","6","2","10","1") = "9"
    & skf18("2","6","10","6","3","1","1") = "9"
    & skf18("2","6","10","6","3","2","1") = "9"
    & skf18("2","6","10","6","3","3","1") = "9"
    & skf18("2","6","10","6","3","4","1") = "9"
    & skf18("2","6","10","6","3","5","1") = "9"
    & skf18("2","6","10","6","3","6","1") = "9"
    & skf18("2","6","10","6","3","7","1") = "9"
    & skf18("2","6","10","6","3","8","1") = "9"
    & skf18("2","6","10","6","3","9","1") = "9"
    & skf18("2","6","10","6","3","10","1") = "9"
    & skf18("2","6","10","6","4","1","1") = "9"
    & skf18("2","6","10","6","4","2","1") = "9"
    & skf18("2","6","10","6","4","3","1") = "9"
    & skf18("2","6","10","6","4","4","1") = "9"
    & skf18("2","6","10","6","4","5","1") = "9"
    & skf18("2","6","10","6","4","6","1") = "9"
    & skf18("2","6","10","6","4","7","1") = "9"
    & skf18("2","6","10","6","4","8","1") = "9"
    & skf18("2","6","10","6","4","9","1") = "9"
    & skf18("2","6","10","6","4","10","1") = "9"
    & skf18("2","6","10","6","5","1","1") = "9"
    & skf18("2","6","10","6","5","2","1") = "9"
    & skf18("2","6","10","6","5","3","1") = "9"
    & skf18("2","6","10","6","5","4","1") = "9"
    & skf18("2","6","10","6","5","5","1") = "9"
    & skf18("2","6","10","6","5","6","1") = "9"
    & skf18("2","6","10","6","5","7","1") = "9"
    & skf18("2","6","10","6","5","8","1") = "9"
    & skf18("2","6","10","6","5","9","1") = "9"
    & skf18("2","6","10","6","5","10","1") = "9"
    & skf18("2","6","10","6","6","1","1") = "9"
    & skf18("2","6","10","6","6","2","1") = "9"
    & skf18("2","6","10","6","6","3","1") = "9"
    & skf18("2","6","10","6","6","4","1") = "9"
    & skf18("2","6","10","6","6","5","1") = "9"
    & skf18("2","6","10","6","6","6","1") = "9"
    & skf18("2","6","10","6","6","7","1") = "9"
    & skf18("2","6","10","6","6","8","1") = "9"
    & skf18("2","6","10","6","6","9","1") = "9"
    & skf18("2","6","10","6","6","10","1") = "9"
    & skf18("2","6","10","6","7","1","1") = "9"
    & skf18("2","6","10","6","7","2","1") = "9"
    & skf18("2","6","10","6","7","3","1") = "9"
    & skf18("2","6","10","6","7","4","1") = "9"
    & skf18("2","6","10","6","7","5","1") = "9"
    & skf18("2","6","10","6","7","6","1") = "9"
    & skf18("2","6","10","6","7","7","1") = "9"
    & skf18("2","6","10","6","7","8","1") = "9"
    & skf18("2","6","10","6","7","9","1") = "9"
    & skf18("2","6","10","6","7","10","1") = "9"
    & skf18("2","6","10","6","8","1","1") = "9"
    & skf18("2","6","10","6","8","2","1") = "9"
    & skf18("2","6","10","6","8","3","1") = "9"
    & skf18("2","6","10","6","8","4","1") = "9"
    & skf18("2","6","10","6","8","5","1") = "9"
    & skf18("2","6","10","6","8","6","1") = "9"
    & skf18("2","6","10","6","8","7","1") = "9"
    & skf18("2","6","10","6","8","8","1") = "9"
    & skf18("2","6","10","6","8","9","1") = "9"
    & skf18("2","6","10","6","8","10","1") = "9"
    & skf18("2","6","10","6","9","1","1") = "9"
    & skf18("2","6","10","6","9","2","1") = "9"
    & skf18("2","6","10","6","9","3","1") = "9"
    & skf18("2","6","10","6","9","4","1") = "9"
    & skf18("2","6","10","6","9","5","1") = "9"
    & skf18("2","6","10","6","9","6","1") = "9"
    & skf18("2","6","10","6","9","7","1") = "9"
    & skf18("2","6","10","6","9","8","1") = "9"
    & skf18("2","6","10","6","9","9","1") = "9"
    & skf18("2","6","10","6","9","10","1") = "9"
    & skf18("2","6","10","6","10","1","1") = "9"
    & skf18("2","6","10","6","10","2","1") = "9"
    & skf18("2","6","10","6","10","3","1") = "9"
    & skf18("2","6","10","6","10","4","1") = "9"
    & skf18("2","6","10","6","10","5","1") = "9"
    & skf18("2","6","10","6","10","6","1") = "9"
    & skf18("2","6","10","6","10","7","1") = "9"
    & skf18("2","6","10","6","10","8","1") = "9"
    & skf18("2","6","10","6","10","9","1") = "9"
    & skf18("2","6","10","6","10","10","1") = "9"
    & skf18("2","6","10","7","1","1","1") = "9"
    & skf18("2","6","10","7","1","2","1") = "9"
    & skf18("2","6","10","7","1","3","1") = "9"
    & skf18("2","6","10","7","1","4","1") = "9"
    & skf18("2","6","10","7","1","5","1") = "9"
    & skf18("2","6","10","7","1","6","1") = "9"
    & skf18("2","6","10","7","1","7","1") = "9"
    & skf18("2","6","10","7","1","8","1") = "9"
    & skf18("2","6","10","7","1","9","1") = "9"
    & skf18("2","6","10","7","1","10","1") = "9"
    & skf18("2","6","10","7","2","1","1") = "9"
    & skf18("2","6","10","7","2","2","1") = "9"
    & skf18("2","6","10","7","2","3","1") = "9"
    & skf18("2","6","10","7","2","4","1") = "9"
    & skf18("2","6","10","7","2","5","1") = "9"
    & skf18("2","6","10","7","2","6","1") = "9"
    & skf18("2","6","10","7","2","7","1") = "9"
    & skf18("2","6","10","7","2","8","1") = "9"
    & skf18("2","6","10","7","2","9","1") = "9"
    & skf18("2","6","10","7","2","10","1") = "9"
    & skf18("2","6","10","7","3","1","1") = "9"
    & skf18("2","6","10","7","3","2","1") = "9"
    & skf18("2","6","10","7","3","3","1") = "9"
    & skf18("2","6","10","7","3","4","1") = "9"
    & skf18("2","6","10","7","3","5","1") = "9"
    & skf18("2","6","10","7","3","6","1") = "9"
    & skf18("2","6","10","7","3","7","1") = "9"
    & skf18("2","6","10","7","3","8","1") = "9"
    & skf18("2","6","10","7","3","9","1") = "9"
    & skf18("2","6","10","7","3","10","1") = "9"
    & skf18("2","6","10","7","4","1","1") = "9"
    & skf18("2","6","10","7","4","2","1") = "9"
    & skf18("2","6","10","7","4","3","1") = "9"
    & skf18("2","6","10","7","4","4","1") = "9"
    & skf18("2","6","10","7","4","5","1") = "9"
    & skf18("2","6","10","7","4","6","1") = "9"
    & skf18("2","6","10","7","4","7","1") = "9"
    & skf18("2","6","10","7","4","8","1") = "9"
    & skf18("2","6","10","7","4","9","1") = "9"
    & skf18("2","6","10","7","4","10","1") = "9"
    & skf18("2","6","10","7","5","1","1") = "9"
    & skf18("2","6","10","7","5","2","1") = "9"
    & skf18("2","6","10","7","5","3","1") = "9"
    & skf18("2","6","10","7","5","4","1") = "9"
    & skf18("2","6","10","7","5","5","1") = "9"
    & skf18("2","6","10","7","5","6","1") = "9"
    & skf18("2","6","10","7","5","7","1") = "9"
    & skf18("2","6","10","7","5","8","1") = "9"
    & skf18("2","6","10","7","5","9","1") = "9"
    & skf18("2","6","10","7","5","10","1") = "9"
    & skf18("2","6","10","7","6","1","1") = "9"
    & skf18("2","6","10","7","6","2","1") = "9"
    & skf18("2","6","10","7","6","3","1") = "9"
    & skf18("2","6","10","7","6","4","1") = "9"
    & skf18("2","6","10","7","6","5","1") = "9"
    & skf18("2","6","10","7","6","6","1") = "9"
    & skf18("2","6","10","7","6","7","1") = "9"
    & skf18("2","6","10","7","6","8","1") = "9"
    & skf18("2","6","10","7","6","9","1") = "9"
    & skf18("2","6","10","7","6","10","1") = "9"
    & skf18("2","6","10","7","7","1","1") = "9"
    & skf18("2","6","10","7","7","2","1") = "9"
    & skf18("2","6","10","7","7","3","1") = "9"
    & skf18("2","6","10","7","7","4","1") = "9"
    & skf18("2","6","10","7","7","5","1") = "9"
    & skf18("2","6","10","7","7","6","1") = "9"
    & skf18("2","6","10","7","7","7","1") = "9"
    & skf18("2","6","10","7","7","8","1") = "9"
    & skf18("2","6","10","7","7","9","1") = "9"
    & skf18("2","6","10","7","7","10","1") = "9"
    & skf18("2","6","10","7","8","1","1") = "9"
    & skf18("2","6","10","7","8","2","1") = "9"
    & skf18("2","6","10","7","8","3","1") = "9"
    & skf18("2","6","10","7","8","4","1") = "9"
    & skf18("2","6","10","7","8","5","1") = "9"
    & skf18("2","6","10","7","8","6","1") = "9"
    & skf18("2","6","10","7","8","7","1") = "9"
    & skf18("2","6","10","7","8","8","1") = "9"
    & skf18("2","6","10","7","8","9","1") = "9"
    & skf18("2","6","10","7","8","10","1") = "9"
    & skf18("2","6","10","7","9","1","1") = "9"
    & skf18("2","6","10","7","9","2","1") = "9"
    & skf18("2","6","10","7","9","3","1") = "9"
    & skf18("2","6","10","7","9","4","1") = "9"
    & skf18("2","6","10","7","9","5","1") = "9"
    & skf18("2","6","10","7","9","6","1") = "9"
    & skf18("2","6","10","7","9","7","1") = "9"
    & skf18("2","6","10","7","9","8","1") = "9"
    & skf18("2","6","10","7","9","9","1") = "9"
    & skf18("2","6","10","7","9","10","1") = "9"
    & skf18("2","6","10","7","10","1","1") = "9"
    & skf18("2","6","10","7","10","2","1") = "9"
    & skf18("2","6","10","7","10","3","1") = "9"
    & skf18("2","6","10","7","10","4","1") = "9"
    & skf18("2","6","10","7","10","5","1") = "9"
    & skf18("2","6","10","7","10","6","1") = "9"
    & skf18("2","6","10","7","10","7","1") = "9"
    & skf18("2","6","10","7","10","8","1") = "9"
    & skf18("2","6","10","7","10","9","1") = "9"
    & skf18("2","6","10","7","10","10","1") = "9"
    & skf18("2","6","10","8","1","1","1") = "9"
    & skf18("2","6","10","8","1","2","1") = "9"
    & skf18("2","6","10","8","1","3","1") = "9"
    & skf18("2","6","10","8","1","4","1") = "9"
    & skf18("2","6","10","8","1","5","1") = "9"
    & skf18("2","6","10","8","1","6","1") = "9"
    & skf18("2","6","10","8","1","7","1") = "9"
    & skf18("2","6","10","8","1","8","1") = "9"
    & skf18("2","6","10","8","1","9","1") = "9"
    & skf18("2","6","10","8","1","10","1") = "9"
    & skf18("2","6","10","8","2","1","1") = "9"
    & skf18("2","6","10","8","2","2","1") = "9"
    & skf18("2","6","10","8","2","3","1") = "9"
    & skf18("2","6","10","8","2","4","1") = "9"
    & skf18("2","6","10","8","2","5","1") = "9"
    & skf18("2","6","10","8","2","6","1") = "9"
    & skf18("2","6","10","8","2","7","1") = "9"
    & skf18("2","6","10","8","2","8","1") = "9"
    & skf18("2","6","10","8","2","9","1") = "9"
    & skf18("2","6","10","8","2","10","1") = "9"
    & skf18("2","6","10","8","3","1","1") = "9"
    & skf18("2","6","10","8","3","2","1") = "9"
    & skf18("2","6","10","8","3","3","1") = "9"
    & skf18("2","6","10","8","3","4","1") = "9"
    & skf18("2","6","10","8","3","5","1") = "9"
    & skf18("2","6","10","8","3","6","1") = "9"
    & skf18("2","6","10","8","3","7","1") = "9"
    & skf18("2","6","10","8","3","8","1") = "9"
    & skf18("2","6","10","8","3","9","1") = "9"
    & skf18("2","6","10","8","3","10","1") = "9"
    & skf18("2","6","10","8","4","1","1") = "9"
    & skf18("2","6","10","8","4","2","1") = "9"
    & skf18("2","6","10","8","4","3","1") = "9"
    & skf18("2","6","10","8","4","4","1") = "9"
    & skf18("2","6","10","8","4","5","1") = "9"
    & skf18("2","6","10","8","4","6","1") = "9"
    & skf18("2","6","10","8","4","7","1") = "9"
    & skf18("2","6","10","8","4","8","1") = "9"
    & skf18("2","6","10","8","4","9","1") = "9"
    & skf18("2","6","10","8","4","10","1") = "9"
    & skf18("2","6","10","8","5","1","1") = "9"
    & skf18("2","6","10","8","5","2","1") = "9"
    & skf18("2","6","10","8","5","3","1") = "9"
    & skf18("2","6","10","8","5","4","1") = "9"
    & skf18("2","6","10","8","5","5","1") = "9"
    & skf18("2","6","10","8","5","6","1") = "9"
    & skf18("2","6","10","8","5","7","1") = "9"
    & skf18("2","6","10","8","5","8","1") = "9"
    & skf18("2","6","10","8","5","9","1") = "9"
    & skf18("2","6","10","8","5","10","1") = "9"
    & skf18("2","6","10","8","6","1","1") = "9"
    & skf18("2","6","10","8","6","2","1") = "9"
    & skf18("2","6","10","8","6","3","1") = "9"
    & skf18("2","6","10","8","6","4","1") = "9"
    & skf18("2","6","10","8","6","5","1") = "9"
    & skf18("2","6","10","8","6","6","1") = "9"
    & skf18("2","6","10","8","6","7","1") = "9"
    & skf18("2","6","10","8","6","8","1") = "9"
    & skf18("2","6","10","8","6","9","1") = "9"
    & skf18("2","6","10","8","6","10","1") = "9"
    & skf18("2","6","10","8","7","1","1") = "9"
    & skf18("2","6","10","8","7","2","1") = "9"
    & skf18("2","6","10","8","7","3","1") = "9"
    & skf18("2","6","10","8","7","4","1") = "9"
    & skf18("2","6","10","8","7","5","1") = "9"
    & skf18("2","6","10","8","7","6","1") = "9"
    & skf18("2","6","10","8","7","7","1") = "9"
    & skf18("2","6","10","8","7","8","1") = "9"
    & skf18("2","6","10","8","7","9","1") = "9"
    & skf18("2","6","10","8","7","10","1") = "9"
    & skf18("2","6","10","8","8","1","1") = "9"
    & skf18("2","6","10","8","8","2","1") = "9"
    & skf18("2","6","10","8","8","3","1") = "9"
    & skf18("2","6","10","8","8","4","1") = "9"
    & skf18("2","6","10","8","8","5","1") = "9"
    & skf18("2","6","10","8","8","6","1") = "9"
    & skf18("2","6","10","8","8","7","1") = "9"
    & skf18("2","6","10","8","8","8","1") = "9"
    & skf18("2","6","10","8","8","9","1") = "9"
    & skf18("2","6","10","8","8","10","1") = "9"
    & skf18("2","6","10","8","9","1","1") = "9"
    & skf18("2","6","10","8","9","2","1") = "9"
    & skf18("2","6","10","8","9","3","1") = "9"
    & skf18("2","6","10","8","9","4","1") = "9"
    & skf18("2","6","10","8","9","5","1") = "9"
    & skf18("2","6","10","8","9","6","1") = "9"
    & skf18("2","6","10","8","9","7","1") = "9"
    & skf18("2","6","10","8","9","8","1") = "9"
    & skf18("2","6","10","8","9","9","1") = "9"
    & skf18("2","6","10","8","9","10","1") = "9"
    & skf18("2","6","10","8","10","1","1") = "9"
    & skf18("2","6","10","8","10","2","1") = "9"
    & skf18("2","6","10","8","10","3","1") = "9"
    & skf18("2","6","10","8","10","4","1") = "9"
    & skf18("2","6","10","8","10","5","1") = "9"
    & skf18("2","6","10","8","10","6","1") = "9"
    & skf18("2","6","10","8","10","7","1") = "9"
    & skf18("2","6","10","8","10","8","1") = "9"
    & skf18("2","6","10","8","10","9","1") = "9"
    & skf18("2","6","10","8","10","10","1") = "9"
    & skf18("2","6","10","9","1","1","1") = "9"
    & skf18("2","6","10","9","1","2","1") = "9"
    & skf18("2","6","10","9","1","3","1") = "9"
    & skf18("2","6","10","9","1","4","1") = "9"
    & skf18("2","6","10","9","1","5","1") = "9"
    & skf18("2","6","10","9","1","6","1") = "9"
    & skf18("2","6","10","9","1","7","1") = "9"
    & skf18("2","6","10","9","1","8","1") = "9"
    & skf18("2","6","10","9","1","9","1") = "9"
    & skf18("2","6","10","9","1","10","1") = "9"
    & skf18("2","6","10","9","2","1","1") = "9"
    & skf18("2","6","10","9","2","2","1") = "9"
    & skf18("2","6","10","9","2","3","1") = "9"
    & skf18("2","6","10","9","2","4","1") = "9"
    & skf18("2","6","10","9","2","5","1") = "9"
    & skf18("2","6","10","9","2","6","1") = "9"
    & skf18("2","6","10","9","2","7","1") = "9"
    & skf18("2","6","10","9","2","8","1") = "9"
    & skf18("2","6","10","9","2","9","1") = "9"
    & skf18("2","6","10","9","2","10","1") = "9"
    & skf18("2","6","10","9","3","1","1") = "9"
    & skf18("2","6","10","9","3","2","1") = "9"
    & skf18("2","6","10","9","3","3","1") = "9"
    & skf18("2","6","10","9","3","4","1") = "9"
    & skf18("2","6","10","9","3","5","1") = "9"
    & skf18("2","6","10","9","3","6","1") = "9"
    & skf18("2","6","10","9","3","7","1") = "9"
    & skf18("2","6","10","9","3","8","1") = "9"
    & skf18("2","6","10","9","3","9","1") = "9"
    & skf18("2","6","10","9","3","10","1") = "9"
    & skf18("2","6","10","9","4","1","1") = "9"
    & skf18("2","6","10","9","4","2","1") = "9"
    & skf18("2","6","10","9","4","3","1") = "9"
    & skf18("2","6","10","9","4","4","1") = "9"
    & skf18("2","6","10","9","4","5","1") = "9"
    & skf18("2","6","10","9","4","6","1") = "9"
    & skf18("2","6","10","9","4","7","1") = "9"
    & skf18("2","6","10","9","4","8","1") = "9"
    & skf18("2","6","10","9","4","9","1") = "9"
    & skf18("2","6","10","9","4","10","1") = "9"
    & skf18("2","6","10","9","5","1","1") = "9"
    & skf18("2","6","10","9","5","2","1") = "9"
    & skf18("2","6","10","9","5","3","1") = "9"
    & skf18("2","6","10","9","5","4","1") = "9"
    & skf18("2","6","10","9","5","5","1") = "9"
    & skf18("2","6","10","9","5","6","1") = "9"
    & skf18("2","6","10","9","5","7","1") = "9"
    & skf18("2","6","10","9","5","8","1") = "9"
    & skf18("2","6","10","9","5","9","1") = "9"
    & skf18("2","6","10","9","5","10","1") = "9"
    & skf18("2","6","10","9","6","1","1") = "9"
    & skf18("2","6","10","9","6","2","1") = "9"
    & skf18("2","6","10","9","6","3","1") = "9"
    & skf18("2","6","10","9","6","4","1") = "9"
    & skf18("2","6","10","9","6","5","1") = "9"
    & skf18("2","6","10","9","6","6","1") = "9"
    & skf18("2","6","10","9","6","7","1") = "9"
    & skf18("2","6","10","9","6","8","1") = "9"
    & skf18("2","6","10","9","6","9","1") = "9"
    & skf18("2","6","10","9","6","10","1") = "9"
    & skf18("2","6","10","9","7","1","1") = "9"
    & skf18("2","6","10","9","7","2","1") = "9"
    & skf18("2","6","10","9","7","3","1") = "9"
    & skf18("2","6","10","9","7","4","1") = "9"
    & skf18("2","6","10","9","7","5","1") = "9"
    & skf18("2","6","10","9","7","6","1") = "9"
    & skf18("2","6","10","9","7","7","1") = "9"
    & skf18("2","6","10","9","7","8","1") = "9"
    & skf18("2","6","10","9","7","9","1") = "9"
    & skf18("2","6","10","9","7","10","1") = "9"
    & skf18("2","6","10","9","8","1","1") = "9"
    & skf18("2","6","10","9","8","2","1") = "9"
    & skf18("2","6","10","9","8","3","1") = "9"
    & skf18("2","6","10","9","8","4","1") = "9"
    & skf18("2","6","10","9","8","5","1") = "9"
    & skf18("2","6","10","9","8","6","1") = "9"
    & skf18("2","6","10","9","8","7","1") = "9"
    & skf18("2","6","10","9","8","8","1") = "9"
    & skf18("2","6","10","9","8","9","1") = "9"
    & skf18("2","6","10","9","8","10","1") = "9"
    & skf18("2","6","10","9","9","1","1") = "9"
    & skf18("2","6","10","9","9","2","1") = "9"
    & skf18("2","6","10","9","9","3","1") = "9"
    & skf18("2","6","10","9","9","4","1") = "9"
    & skf18("2","6","10","9","9","5","1") = "9"
    & skf18("2","6","10","9","9","6","1") = "9"
    & skf18("2","6","10","9","9","7","1") = "9"
    & skf18("2","6","10","9","9","8","1") = "9"
    & skf18("2","6","10","9","9","9","1") = "9"
    & skf18("2","6","10","9","9","10","1") = "9"
    & skf18("2","6","10","9","10","1","1") = "9"
    & skf18("2","6","10","9","10","2","1") = "9"
    & skf18("2","6","10","9","10","3","1") = "9"
    & skf18("2","6","10","9","10","4","1") = "9"
    & skf18("2","6","10","9","10","5","1") = "9"
    & skf18("2","6","10","9","10","6","1") = "9"
    & skf18("2","6","10","9","10","7","1") = "9"
    & skf18("2","6","10","9","10","8","1") = "9"
    & skf18("2","6","10","9","10","9","1") = "9"
    & skf18("2","6","10","9","10","10","1") = "9"
    & skf18("2","6","10","10","1","1","1") = "9"
    & skf18("2","6","10","10","1","2","1") = "9"
    & skf18("2","6","10","10","1","3","1") = "9"
    & skf18("2","6","10","10","1","4","1") = "9"
    & skf18("2","6","10","10","1","5","1") = "9"
    & skf18("2","6","10","10","1","6","1") = "9"
    & skf18("2","6","10","10","1","7","1") = "9"
    & skf18("2","6","10","10","1","8","1") = "9"
    & skf18("2","6","10","10","1","9","1") = "9"
    & skf18("2","6","10","10","1","10","1") = "9"
    & skf18("2","6","10","10","2","1","1") = "9"
    & skf18("2","6","10","10","2","2","1") = "9"
    & skf18("2","6","10","10","2","3","1") = "9"
    & skf18("2","6","10","10","2","4","1") = "9"
    & skf18("2","6","10","10","2","5","1") = "9"
    & skf18("2","6","10","10","2","6","1") = "9"
    & skf18("2","6","10","10","2","7","1") = "9"
    & skf18("2","6","10","10","2","8","1") = "9"
    & skf18("2","6","10","10","2","9","1") = "9"
    & skf18("2","6","10","10","2","10","1") = "9"
    & skf18("2","6","10","10","3","1","1") = "9"
    & skf18("2","6","10","10","3","2","1") = "9"
    & skf18("2","6","10","10","3","3","1") = "9"
    & skf18("2","6","10","10","3","4","1") = "9"
    & skf18("2","6","10","10","3","5","1") = "9"
    & skf18("2","6","10","10","3","6","1") = "9"
    & skf18("2","6","10","10","3","7","1") = "9"
    & skf18("2","6","10","10","3","8","1") = "9"
    & skf18("2","6","10","10","3","9","1") = "9"
    & skf18("2","6","10","10","3","10","1") = "9"
    & skf18("2","6","10","10","4","1","1") = "9"
    & skf18("2","6","10","10","4","2","1") = "9"
    & skf18("2","6","10","10","4","3","1") = "9"
    & skf18("2","6","10","10","4","4","1") = "9"
    & skf18("2","6","10","10","4","5","1") = "9"
    & skf18("2","6","10","10","4","6","1") = "9"
    & skf18("2","6","10","10","4","7","1") = "9"
    & skf18("2","6","10","10","4","8","1") = "9"
    & skf18("2","6","10","10","4","9","1") = "9"
    & skf18("2","6","10","10","4","10","1") = "9"
    & skf18("2","6","10","10","5","1","1") = "9"
    & skf18("2","6","10","10","5","2","1") = "9"
    & skf18("2","6","10","10","5","3","1") = "9"
    & skf18("2","6","10","10","5","4","1") = "9"
    & skf18("2","6","10","10","5","5","1") = "9"
    & skf18("2","6","10","10","5","6","1") = "9"
    & skf18("2","6","10","10","5","7","1") = "9"
    & skf18("2","6","10","10","5","8","1") = "9"
    & skf18("2","6","10","10","5","9","1") = "9"
    & skf18("2","6","10","10","5","10","1") = "9"
    & skf18("2","6","10","10","6","1","1") = "9"
    & skf18("2","6","10","10","6","2","1") = "9"
    & skf18("2","6","10","10","6","3","1") = "9"
    & skf18("2","6","10","10","6","4","1") = "9"
    & skf18("2","6","10","10","6","5","1") = "9"
    & skf18("2","6","10","10","6","6","1") = "9"
    & skf18("2","6","10","10","6","7","1") = "9"
    & skf18("2","6","10","10","6","8","1") = "9"
    & skf18("2","6","10","10","6","9","1") = "9"
    & skf18("2","6","10","10","6","10","1") = "9"
    & skf18("2","6","10","10","7","1","1") = "9"
    & skf18("2","6","10","10","7","2","1") = "9"
    & skf18("2","6","10","10","7","3","1") = "9"
    & skf18("2","6","10","10","7","4","1") = "9"
    & skf18("2","6","10","10","7","5","1") = "9"
    & skf18("2","6","10","10","7","6","1") = "9"
    & skf18("2","6","10","10","7","7","1") = "9"
    & skf18("2","6","10","10","7","8","1") = "9"
    & skf18("2","6","10","10","7","9","1") = "9"
    & skf18("2","6","10","10","7","10","1") = "9"
    & skf18("2","6","10","10","8","1","1") = "9"
    & skf18("2","6","10","10","8","2","1") = "9"
    & skf18("2","6","10","10","8","3","1") = "9"
    & skf18("2","6","10","10","8","4","1") = "9"
    & skf18("2","6","10","10","8","5","1") = "9"
    & skf18("2","6","10","10","8","6","1") = "9"
    & skf18("2","6","10","10","8","7","1") = "9"
    & skf18("2","6","10","10","8","8","1") = "9"
    & skf18("2","6","10","10","8","9","1") = "9"
    & skf18("2","6","10","10","8","10","1") = "9"
    & skf18("2","6","10","10","9","1","1") = "9"
    & skf18("2","6","10","10","9","2","1") = "9"
    & skf18("2","6","10","10","9","3","1") = "9"
    & skf18("2","6","10","10","9","4","1") = "9"
    & skf18("2","6","10","10","9","5","1") = "9"
    & skf18("2","6","10","10","9","6","1") = "9"
    & skf18("2","6","10","10","9","7","1") = "9"
    & skf18("2","6","10","10","9","8","1") = "9"
    & skf18("2","6","10","10","9","9","1") = "9"
    & skf18("2","6","10","10","9","10","1") = "9"
    & skf18("2","6","10","10","10","1","1") = "9"
    & skf18("2","6","10","10","10","2","1") = "9"
    & skf18("2","6","10","10","10","3","1") = "9"
    & skf18("2","6","10","10","10","4","1") = "9"
    & skf18("2","6","10","10","10","5","1") = "9"
    & skf18("2","6","10","10","10","6","1") = "9"
    & skf18("2","6","10","10","10","7","1") = "9"
    & skf18("2","6","10","10","10","8","1") = "9"
    & skf18("2","6","10","10","10","9","1") = "9"
    & skf18("2","6","10","10","10","10","1") = "9"
    & skf18("2","7","1","1","1","1","1") = "6"
    & skf18("2","7","1","1","1","2","1") = "6"
    & skf18("2","7","1","1","1","3","1") = "6"
    & skf18("2","7","1","1","1","4","1") = "6"
    & skf18("2","7","1","1","1","5","1") = "6"
    & skf18("2","7","1","1","1","6","1") = "6"
    & skf18("2","7","1","1","1","7","1") = "6"
    & skf18("2","7","1","1","1","8","1") = "7"
    & skf18("2","7","1","1","1","9","1") = "8"
    & skf18("2","7","1","1","1","10","1") = "9"
    & skf18("2","7","1","1","2","1","1") = "6"
    & skf18("2","7","1","1","2","2","1") = "6"
    & skf18("2","7","1","1","2","3","1") = "6"
    & skf18("2","7","1","1","2","4","1") = "6"
    & skf18("2","7","1","1","2","5","1") = "6"
    & skf18("2","7","1","1","2","6","1") = "6"
    & skf18("2","7","1","1","2","7","1") = "6"
    & skf18("2","7","1","1","2","8","1") = "7"
    & skf18("2","7","1","1","2","9","1") = "8"
    & skf18("2","7","1","1","2","10","1") = "9"
    & skf18("2","7","1","1","3","1","1") = "6"
    & skf18("2","7","1","1","3","2","1") = "6"
    & skf18("2","7","1","1","3","3","1") = "6"
    & skf18("2","7","1","1","3","4","1") = "6"
    & skf18("2","7","1","1","3","5","1") = "6"
    & skf18("2","7","1","1","3","6","1") = "6"
    & skf18("2","7","1","1","3","7","1") = "6"
    & skf18("2","7","1","1","3","8","1") = "7"
    & skf18("2","7","1","1","3","9","1") = "8"
    & skf18("2","7","1","1","3","10","1") = "9"
    & skf18("2","7","1","1","4","1","1") = "6"
    & skf18("2","7","1","1","4","2","1") = "6"
    & skf18("2","7","1","1","4","3","1") = "6"
    & skf18("2","7","1","1","4","4","1") = "6"
    & skf18("2","7","1","1","4","5","1") = "6"
    & skf18("2","7","1","1","4","6","1") = "6"
    & skf18("2","7","1","1","4","7","1") = "6"
    & skf18("2","7","1","1","4","8","1") = "7"
    & skf18("2","7","1","1","4","9","1") = "8"
    & skf18("2","7","1","1","4","10","1") = "9"
    & skf18("2","7","1","1","5","1","1") = "6"
    & skf18("2","7","1","1","5","2","1") = "6"
    & skf18("2","7","1","1","5","3","1") = "6"
    & skf18("2","7","1","1","5","4","1") = "6"
    & skf18("2","7","1","1","5","5","1") = "6"
    & skf18("2","7","1","1","5","6","1") = "6"
    & skf18("2","7","1","1","5","7","1") = "6"
    & skf18("2","7","1","1","5","8","1") = "7"
    & skf18("2","7","1","1","5","9","1") = "8"
    & skf18("2","7","1","1","5","10","1") = "9"
    & skf18("2","7","1","1","6","1","1") = "6"
    & skf18("2","7","1","1","6","2","1") = "6"
    & skf18("2","7","1","1","6","3","1") = "6"
    & skf18("2","7","1","1","6","4","1") = "6"
    & skf18("2","7","1","1","6","5","1") = "6"
    & skf18("2","7","1","1","6","6","1") = "6"
    & skf18("2","7","1","1","6","7","1") = "6"
    & skf18("2","7","1","1","6","8","1") = "7"
    & skf18("2","7","1","1","6","9","1") = "8"
    & skf18("2","7","1","1","6","10","1") = "9"
    & skf18("2","7","1","1","7","1","1") = "6"
    & skf18("2","7","1","1","7","2","1") = "6"
    & skf18("2","7","1","1","7","3","1") = "6"
    & skf18("2","7","1","1","7","4","1") = "6"
    & skf18("2","7","1","1","7","5","1") = "6"
    & skf18("2","7","1","1","7","6","1") = "6"
    & skf18("2","7","1","1","7","7","1") = "6"
    & skf18("2","7","1","1","7","8","1") = "7"
    & skf18("2","7","1","1","7","9","1") = "8"
    & skf18("2","7","1","1","7","10","1") = "9"
    & skf18("2","7","1","1","8","1","1") = "7"
    & skf18("2","7","1","1","8","2","1") = "7"
    & skf18("2","7","1","1","8","3","1") = "7"
    & skf18("2","7","1","1","8","4","1") = "7"
    & skf18("2","7","1","1","8","5","1") = "7"
    & skf18("2","7","1","1","8","6","1") = "7"
    & skf18("2","7","1","1","8","7","1") = "7"
    & skf18("2","7","1","1","8","8","1") = "7"
    & skf18("2","7","1","1","8","9","1") = "8"
    & skf18("2","7","1","1","8","10","1") = "9"
    & skf18("2","7","1","1","9","1","1") = "8"
    & skf18("2","7","1","1","9","2","1") = "8"
    & skf18("2","7","1","1","9","3","1") = "8"
    & skf18("2","7","1","1","9","4","1") = "8"
    & skf18("2","7","1","1","9","5","1") = "8"
    & skf18("2","7","1","1","9","6","1") = "8"
    & skf18("2","7","1","1","9","7","1") = "8"
    & skf18("2","7","1","1","9","8","1") = "8"
    & skf18("2","7","1","1","9","9","1") = "8"
    & skf18("2","7","1","1","9","10","1") = "9"
    & skf18("2","7","1","1","10","1","1") = "9"
    & skf18("2","7","1","1","10","2","1") = "9"
    & skf18("2","7","1","1","10","3","1") = "9"
    & skf18("2","7","1","1","10","4","1") = "9"
    & skf18("2","7","1","1","10","5","1") = "9"
    & skf18("2","7","1","1","10","6","1") = "9"
    & skf18("2","7","1","1","10","7","1") = "9"
    & skf18("2","7","1","1","10","8","1") = "9"
    & skf18("2","7","1","1","10","9","1") = "9"
    & skf18("2","7","1","1","10","10","1") = "9"
    & skf18("2","7","1","2","1","1","1") = "6"
    & skf18("2","7","1","2","1","2","1") = "6"
    & skf18("2","7","1","2","1","3","1") = "6"
    & skf18("2","7","1","2","1","4","1") = "6"
    & skf18("2","7","1","2","1","5","1") = "6"
    & skf18("2","7","1","2","1","6","1") = "6"
    & skf18("2","7","1","2","1","7","1") = "6"
    & skf18("2","7","1","2","1","8","1") = "7"
    & skf18("2","7","1","2","1","9","1") = "8"
    & skf18("2","7","1","2","1","10","1") = "9"
    & skf18("2","7","1","2","2","1","1") = "6"
    & skf18("2","7","1","2","2","2","1") = "6"
    & skf18("2","7","1","2","2","3","1") = "6"
    & skf18("2","7","1","2","2","4","1") = "6"
    & skf18("2","7","1","2","2","5","1") = "6"
    & skf18("2","7","1","2","2","6","1") = "6"
    & skf18("2","7","1","2","2","7","1") = "6"
    & skf18("2","7","1","2","2","8","1") = "7"
    & skf18("2","7","1","2","2","9","1") = "8"
    & skf18("2","7","1","2","2","10","1") = "9"
    & skf18("2","7","1","2","3","1","1") = "6"
    & skf18("2","7","1","2","3","2","1") = "6"
    & skf18("2","7","1","2","3","3","1") = "6"
    & skf18("2","7","1","2","3","4","1") = "6"
    & skf18("2","7","1","2","3","5","1") = "6"
    & skf18("2","7","1","2","3","6","1") = "6"
    & skf18("2","7","1","2","3","7","1") = "6"
    & skf18("2","7","1","2","3","8","1") = "7"
    & skf18("2","7","1","2","3","9","1") = "8"
    & skf18("2","7","1","2","3","10","1") = "9"
    & skf18("2","7","1","2","4","1","1") = "6"
    & skf18("2","7","1","2","4","2","1") = "6"
    & skf18("2","7","1","2","4","3","1") = "6"
    & skf18("2","7","1","2","4","4","1") = "6"
    & skf18("2","7","1","2","4","5","1") = "6"
    & skf18("2","7","1","2","4","6","1") = "6"
    & skf18("2","7","1","2","4","7","1") = "6"
    & skf18("2","7","1","2","4","8","1") = "7"
    & skf18("2","7","1","2","4","9","1") = "8"
    & skf18("2","7","1","2","4","10","1") = "9"
    & skf18("2","7","1","2","5","1","1") = "6"
    & skf18("2","7","1","2","5","2","1") = "6"
    & skf18("2","7","1","2","5","3","1") = "6"
    & skf18("2","7","1","2","5","4","1") = "6"
    & skf18("2","7","1","2","5","5","1") = "6"
    & skf18("2","7","1","2","5","6","1") = "6"
    & skf18("2","7","1","2","5","7","1") = "6"
    & skf18("2","7","1","2","5","8","1") = "7"
    & skf18("2","7","1","2","5","9","1") = "8"
    & skf18("2","7","1","2","5","10","1") = "9"
    & skf18("2","7","1","2","6","1","1") = "6"
    & skf18("2","7","1","2","6","2","1") = "6"
    & skf18("2","7","1","2","6","3","1") = "6"
    & skf18("2","7","1","2","6","4","1") = "6"
    & skf18("2","7","1","2","6","5","1") = "6"
    & skf18("2","7","1","2","6","6","1") = "6"
    & skf18("2","7","1","2","6","7","1") = "6"
    & skf18("2","7","1","2","6","8","1") = "7"
    & skf18("2","7","1","2","6","9","1") = "8"
    & skf18("2","7","1","2","6","10","1") = "9"
    & skf18("2","7","1","2","7","1","1") = "6"
    & skf18("2","7","1","2","7","2","1") = "6"
    & skf18("2","7","1","2","7","3","1") = "6"
    & skf18("2","7","1","2","7","4","1") = "6"
    & skf18("2","7","1","2","7","5","1") = "6"
    & skf18("2","7","1","2","7","6","1") = "6"
    & skf18("2","7","1","2","7","7","1") = "6"
    & skf18("2","7","1","2","7","8","1") = "7"
    & skf18("2","7","1","2","7","9","1") = "8"
    & skf18("2","7","1","2","7","10","1") = "9"
    & skf18("2","7","1","2","8","1","1") = "7"
    & skf18("2","7","1","2","8","2","1") = "7"
    & skf18("2","7","1","2","8","3","1") = "7"
    & skf18("2","7","1","2","8","4","1") = "7"
    & skf18("2","7","1","2","8","5","1") = "7"
    & skf18("2","7","1","2","8","6","1") = "7"
    & skf18("2","7","1","2","8","7","1") = "7"
    & skf18("2","7","1","2","8","8","1") = "7"
    & skf18("2","7","1","2","8","9","1") = "8"
    & skf18("2","7","1","2","8","10","1") = "9"
    & skf18("2","7","1","2","9","1","1") = "8"
    & skf18("2","7","1","2","9","2","1") = "8"
    & skf18("2","7","1","2","9","3","1") = "8"
    & skf18("2","7","1","2","9","4","1") = "8"
    & skf18("2","7","1","2","9","5","1") = "8"
    & skf18("2","7","1","2","9","6","1") = "8"
    & skf18("2","7","1","2","9","7","1") = "8"
    & skf18("2","7","1","2","9","8","1") = "8"
    & skf18("2","7","1","2","9","9","1") = "8"
    & skf18("2","7","1","2","9","10","1") = "9"
    & skf18("2","7","1","2","10","1","1") = "9"
    & skf18("2","7","1","2","10","2","1") = "9"
    & skf18("2","7","1","2","10","3","1") = "9"
    & skf18("2","7","1","2","10","4","1") = "9"
    & skf18("2","7","1","2","10","5","1") = "9"
    & skf18("2","7","1","2","10","6","1") = "9"
    & skf18("2","7","1","2","10","7","1") = "9"
    & skf18("2","7","1","2","10","8","1") = "9"
    & skf18("2","7","1","2","10","9","1") = "9"
    & skf18("2","7","1","2","10","10","1") = "9"
    & skf18("2","7","1","3","1","1","1") = "6"
    & skf18("2","7","1","3","1","2","1") = "6"
    & skf18("2","7","1","3","1","3","1") = "6"
    & skf18("2","7","1","3","1","4","1") = "6"
    & skf18("2","7","1","3","1","5","1") = "6"
    & skf18("2","7","1","3","1","6","1") = "6"
    & skf18("2","7","1","3","1","7","1") = "6"
    & skf18("2","7","1","3","1","8","1") = "7"
    & skf18("2","7","1","3","1","9","1") = "8"
    & skf18("2","7","1","3","1","10","1") = "9"
    & skf18("2","7","1","3","2","1","1") = "6"
    & skf18("2","7","1","3","2","2","1") = "6"
    & skf18("2","7","1","3","2","3","1") = "6"
    & skf18("2","7","1","3","2","4","1") = "6"
    & skf18("2","7","1","3","2","5","1") = "6"
    & skf18("2","7","1","3","2","6","1") = "6"
    & skf18("2","7","1","3","2","7","1") = "6"
    & skf18("2","7","1","3","2","8","1") = "7"
    & skf18("2","7","1","3","2","9","1") = "8"
    & skf18("2","7","1","3","2","10","1") = "9"
    & skf18("2","7","1","3","3","1","1") = "6"
    & skf18("2","7","1","3","3","2","1") = "6"
    & skf18("2","7","1","3","3","3","1") = "6"
    & skf18("2","7","1","3","3","4","1") = "6"
    & skf18("2","7","1","3","3","5","1") = "6"
    & skf18("2","7","1","3","3","6","1") = "6"
    & skf18("2","7","1","3","3","7","1") = "6"
    & skf18("2","7","1","3","3","8","1") = "7"
    & skf18("2","7","1","3","3","9","1") = "8"
    & skf18("2","7","1","3","3","10","1") = "9"
    & skf18("2","7","1","3","4","1","1") = "6"
    & skf18("2","7","1","3","4","2","1") = "6"
    & skf18("2","7","1","3","4","3","1") = "6"
    & skf18("2","7","1","3","4","4","1") = "6"
    & skf18("2","7","1","3","4","5","1") = "6"
    & skf18("2","7","1","3","4","6","1") = "6"
    & skf18("2","7","1","3","4","7","1") = "6"
    & skf18("2","7","1","3","4","8","1") = "7"
    & skf18("2","7","1","3","4","9","1") = "8"
    & skf18("2","7","1","3","4","10","1") = "9"
    & skf18("2","7","1","3","5","1","1") = "6"
    & skf18("2","7","1","3","5","2","1") = "6"
    & skf18("2","7","1","3","5","3","1") = "6"
    & skf18("2","7","1","3","5","4","1") = "6"
    & skf18("2","7","1","3","5","5","1") = "6"
    & skf18("2","7","1","3","5","6","1") = "6"
    & skf18("2","7","1","3","5","7","1") = "6"
    & skf18("2","7","1","3","5","8","1") = "7"
    & skf18("2","7","1","3","5","9","1") = "8"
    & skf18("2","7","1","3","5","10","1") = "9"
    & skf18("2","7","1","3","6","1","1") = "6"
    & skf18("2","7","1","3","6","2","1") = "6"
    & skf18("2","7","1","3","6","3","1") = "6"
    & skf18("2","7","1","3","6","4","1") = "6"
    & skf18("2","7","1","3","6","5","1") = "6"
    & skf18("2","7","1","3","6","6","1") = "6"
    & skf18("2","7","1","3","6","7","1") = "6"
    & skf18("2","7","1","3","6","8","1") = "7"
    & skf18("2","7","1","3","6","9","1") = "8"
    & skf18("2","7","1","3","6","10","1") = "9"
    & skf18("2","7","1","3","7","1","1") = "6"
    & skf18("2","7","1","3","7","2","1") = "6"
    & skf18("2","7","1","3","7","3","1") = "6"
    & skf18("2","7","1","3","7","4","1") = "6"
    & skf18("2","7","1","3","7","5","1") = "6"
    & skf18("2","7","1","3","7","6","1") = "6"
    & skf18("2","7","1","3","7","7","1") = "6"
    & skf18("2","7","1","3","7","8","1") = "7"
    & skf18("2","7","1","3","7","9","1") = "8"
    & skf18("2","7","1","3","7","10","1") = "9"
    & skf18("2","7","1","3","8","1","1") = "7"
    & skf18("2","7","1","3","8","2","1") = "7"
    & skf18("2","7","1","3","8","3","1") = "7"
    & skf18("2","7","1","3","8","4","1") = "7"
    & skf18("2","7","1","3","8","5","1") = "7"
    & skf18("2","7","1","3","8","6","1") = "7"
    & skf18("2","7","1","3","8","7","1") = "7"
    & skf18("2","7","1","3","8","8","1") = "7"
    & skf18("2","7","1","3","8","9","1") = "8"
    & skf18("2","7","1","3","8","10","1") = "9"
    & skf18("2","7","1","3","9","1","1") = "8"
    & skf18("2","7","1","3","9","2","1") = "8"
    & skf18("2","7","1","3","9","3","1") = "8"
    & skf18("2","7","1","3","9","4","1") = "8"
    & skf18("2","7","1","3","9","5","1") = "8"
    & skf18("2","7","1","3","9","6","1") = "8"
    & skf18("2","7","1","3","9","7","1") = "8"
    & skf18("2","7","1","3","9","8","1") = "8"
    & skf18("2","7","1","3","9","9","1") = "8"
    & skf18("2","7","1","3","9","10","1") = "9"
    & skf18("2","7","1","3","10","1","1") = "9"
    & skf18("2","7","1","3","10","2","1") = "9"
    & skf18("2","7","1","3","10","3","1") = "9"
    & skf18("2","7","1","3","10","4","1") = "9"
    & skf18("2","7","1","3","10","5","1") = "9"
    & skf18("2","7","1","3","10","6","1") = "9"
    & skf18("2","7","1","3","10","7","1") = "9"
    & skf18("2","7","1","3","10","8","1") = "9"
    & skf18("2","7","1","3","10","9","1") = "9"
    & skf18("2","7","1","3","10","10","1") = "9"
    & skf18("2","7","1","4","1","1","1") = "6"
    & skf18("2","7","1","4","1","2","1") = "6"
    & skf18("2","7","1","4","1","3","1") = "6"
    & skf18("2","7","1","4","1","4","1") = "6"
    & skf18("2","7","1","4","1","5","1") = "6"
    & skf18("2","7","1","4","1","6","1") = "6"
    & skf18("2","7","1","4","1","7","1") = "6"
    & skf18("2","7","1","4","1","8","1") = "7"
    & skf18("2","7","1","4","1","9","1") = "8"
    & skf18("2","7","1","4","1","10","1") = "9"
    & skf18("2","7","1","4","2","1","1") = "6"
    & skf18("2","7","1","4","2","2","1") = "6"
    & skf18("2","7","1","4","2","3","1") = "6"
    & skf18("2","7","1","4","2","4","1") = "6"
    & skf18("2","7","1","4","2","5","1") = "6"
    & skf18("2","7","1","4","2","6","1") = "6"
    & skf18("2","7","1","4","2","7","1") = "6"
    & skf18("2","7","1","4","2","8","1") = "7"
    & skf18("2","7","1","4","2","9","1") = "8"
    & skf18("2","7","1","4","2","10","1") = "9"
    & skf18("2","7","1","4","3","1","1") = "6"
    & skf18("2","7","1","4","3","2","1") = "6"
    & skf18("2","7","1","4","3","3","1") = "6"
    & skf18("2","7","1","4","3","4","1") = "6"
    & skf18("2","7","1","4","3","5","1") = "6"
    & skf18("2","7","1","4","3","6","1") = "6"
    & skf18("2","7","1","4","3","7","1") = "6"
    & skf18("2","7","1","4","3","8","1") = "7"
    & skf18("2","7","1","4","3","9","1") = "8"
    & skf18("2","7","1","4","3","10","1") = "9"
    & skf18("2","7","1","4","4","1","1") = "6"
    & skf18("2","7","1","4","4","2","1") = "6"
    & skf18("2","7","1","4","4","3","1") = "6"
    & skf18("2","7","1","4","4","4","1") = "6"
    & skf18("2","7","1","4","4","5","1") = "6"
    & skf18("2","7","1","4","4","6","1") = "6"
    & skf18("2","7","1","4","4","7","1") = "6"
    & skf18("2","7","1","4","4","8","1") = "7"
    & skf18("2","7","1","4","4","9","1") = "8"
    & skf18("2","7","1","4","4","10","1") = "9"
    & skf18("2","7","1","4","5","1","1") = "6"
    & skf18("2","7","1","4","5","2","1") = "6"
    & skf18("2","7","1","4","5","3","1") = "6"
    & skf18("2","7","1","4","5","4","1") = "6"
    & skf18("2","7","1","4","5","5","1") = "6"
    & skf18("2","7","1","4","5","6","1") = "6"
    & skf18("2","7","1","4","5","7","1") = "6"
    & skf18("2","7","1","4","5","8","1") = "7"
    & skf18("2","7","1","4","5","9","1") = "8"
    & skf18("2","7","1","4","5","10","1") = "9"
    & skf18("2","7","1","4","6","1","1") = "6"
    & skf18("2","7","1","4","6","2","1") = "6"
    & skf18("2","7","1","4","6","3","1") = "6"
    & skf18("2","7","1","4","6","4","1") = "6"
    & skf18("2","7","1","4","6","5","1") = "6"
    & skf18("2","7","1","4","6","6","1") = "6"
    & skf18("2","7","1","4","6","7","1") = "6"
    & skf18("2","7","1","4","6","8","1") = "7"
    & skf18("2","7","1","4","6","9","1") = "8"
    & skf18("2","7","1","4","6","10","1") = "9"
    & skf18("2","7","1","4","7","1","1") = "6"
    & skf18("2","7","1","4","7","2","1") = "6"
    & skf18("2","7","1","4","7","3","1") = "6"
    & skf18("2","7","1","4","7","4","1") = "6"
    & skf18("2","7","1","4","7","5","1") = "6"
    & skf18("2","7","1","4","7","6","1") = "6"
    & skf18("2","7","1","4","7","7","1") = "6"
    & skf18("2","7","1","4","7","8","1") = "7"
    & skf18("2","7","1","4","7","9","1") = "8"
    & skf18("2","7","1","4","7","10","1") = "9"
    & skf18("2","7","1","4","8","1","1") = "7"
    & skf18("2","7","1","4","8","2","1") = "7"
    & skf18("2","7","1","4","8","3","1") = "7"
    & skf18("2","7","1","4","8","4","1") = "7"
    & skf18("2","7","1","4","8","5","1") = "7"
    & skf18("2","7","1","4","8","6","1") = "7"
    & skf18("2","7","1","4","8","7","1") = "7"
    & skf18("2","7","1","4","8","8","1") = "7"
    & skf18("2","7","1","4","8","9","1") = "8"
    & skf18("2","7","1","4","8","10","1") = "9"
    & skf18("2","7","1","4","9","1","1") = "8"
    & skf18("2","7","1","4","9","2","1") = "8"
    & skf18("2","7","1","4","9","3","1") = "8"
    & skf18("2","7","1","4","9","4","1") = "8"
    & skf18("2","7","1","4","9","5","1") = "8"
    & skf18("2","7","1","4","9","6","1") = "8"
    & skf18("2","7","1","4","9","7","1") = "8"
    & skf18("2","7","1","4","9","8","1") = "8"
    & skf18("2","7","1","4","9","9","1") = "8"
    & skf18("2","7","1","4","9","10","1") = "9"
    & skf18("2","7","1","4","10","1","1") = "9"
    & skf18("2","7","1","4","10","2","1") = "9"
    & skf18("2","7","1","4","10","3","1") = "9"
    & skf18("2","7","1","4","10","4","1") = "9"
    & skf18("2","7","1","4","10","5","1") = "9"
    & skf18("2","7","1","4","10","6","1") = "9"
    & skf18("2","7","1","4","10","7","1") = "9"
    & skf18("2","7","1","4","10","8","1") = "9"
    & skf18("2","7","1","4","10","9","1") = "9"
    & skf18("2","7","1","4","10","10","1") = "9"
    & skf18("2","7","1","5","1","1","1") = "6"
    & skf18("2","7","1","5","1","2","1") = "6"
    & skf18("2","7","1","5","1","3","1") = "6"
    & skf18("2","7","1","5","1","4","1") = "6"
    & skf18("2","7","1","5","1","5","1") = "6"
    & skf18("2","7","1","5","1","6","1") = "6"
    & skf18("2","7","1","5","1","7","1") = "6"
    & skf18("2","7","1","5","1","8","1") = "7"
    & skf18("2","7","1","5","1","9","1") = "8"
    & skf18("2","7","1","5","1","10","1") = "9"
    & skf18("2","7","1","5","2","1","1") = "6"
    & skf18("2","7","1","5","2","2","1") = "6"
    & skf18("2","7","1","5","2","3","1") = "6"
    & skf18("2","7","1","5","2","4","1") = "6"
    & skf18("2","7","1","5","2","5","1") = "6"
    & skf18("2","7","1","5","2","6","1") = "6"
    & skf18("2","7","1","5","2","7","1") = "6"
    & skf18("2","7","1","5","2","8","1") = "7"
    & skf18("2","7","1","5","2","9","1") = "8"
    & skf18("2","7","1","5","2","10","1") = "9"
    & skf18("2","7","1","5","3","1","1") = "6"
    & skf18("2","7","1","5","3","2","1") = "6"
    & skf18("2","7","1","5","3","3","1") = "6"
    & skf18("2","7","1","5","3","4","1") = "6"
    & skf18("2","7","1","5","3","5","1") = "6"
    & skf18("2","7","1","5","3","6","1") = "6"
    & skf18("2","7","1","5","3","7","1") = "6"
    & skf18("2","7","1","5","3","8","1") = "7"
    & skf18("2","7","1","5","3","9","1") = "8"
    & skf18("2","7","1","5","3","10","1") = "9"
    & skf18("2","7","1","5","4","1","1") = "6"
    & skf18("2","7","1","5","4","2","1") = "6"
    & skf18("2","7","1","5","4","3","1") = "6"
    & skf18("2","7","1","5","4","4","1") = "6"
    & skf18("2","7","1","5","4","5","1") = "6"
    & skf18("2","7","1","5","4","6","1") = "6"
    & skf18("2","7","1","5","4","7","1") = "6"
    & skf18("2","7","1","5","4","8","1") = "7"
    & skf18("2","7","1","5","4","9","1") = "8"
    & skf18("2","7","1","5","4","10","1") = "9"
    & skf18("2","7","1","5","5","1","1") = "6"
    & skf18("2","7","1","5","5","2","1") = "6"
    & skf18("2","7","1","5","5","3","1") = "6"
    & skf18("2","7","1","5","5","4","1") = "6"
    & skf18("2","7","1","5","5","5","1") = "6"
    & skf18("2","7","1","5","5","6","1") = "6"
    & skf18("2","7","1","5","5","7","1") = "6"
    & skf18("2","7","1","5","5","8","1") = "7"
    & skf18("2","7","1","5","5","9","1") = "8"
    & skf18("2","7","1","5","5","10","1") = "9"
    & skf18("2","7","1","5","6","1","1") = "6"
    & skf18("2","7","1","5","6","2","1") = "6"
    & skf18("2","7","1","5","6","3","1") = "6"
    & skf18("2","7","1","5","6","4","1") = "6"
    & skf18("2","7","1","5","6","5","1") = "6"
    & skf18("2","7","1","5","6","6","1") = "6"
    & skf18("2","7","1","5","6","7","1") = "6"
    & skf18("2","7","1","5","6","8","1") = "7"
    & skf18("2","7","1","5","6","9","1") = "8"
    & skf18("2","7","1","5","6","10","1") = "9"
    & skf18("2","7","1","5","7","1","1") = "6"
    & skf18("2","7","1","5","7","2","1") = "6"
    & skf18("2","7","1","5","7","3","1") = "6"
    & skf18("2","7","1","5","7","4","1") = "6"
    & skf18("2","7","1","5","7","5","1") = "6"
    & skf18("2","7","1","5","7","6","1") = "6"
    & skf18("2","7","1","5","7","7","1") = "6"
    & skf18("2","7","1","5","7","8","1") = "7"
    & skf18("2","7","1","5","7","9","1") = "8"
    & skf18("2","7","1","5","7","10","1") = "9"
    & skf18("2","7","1","5","8","1","1") = "7"
    & skf18("2","7","1","5","8","2","1") = "7"
    & skf18("2","7","1","5","8","3","1") = "7"
    & skf18("2","7","1","5","8","4","1") = "7"
    & skf18("2","7","1","5","8","5","1") = "7"
    & skf18("2","7","1","5","8","6","1") = "7"
    & skf18("2","7","1","5","8","7","1") = "7"
    & skf18("2","7","1","5","8","8","1") = "7"
    & skf18("2","7","1","5","8","9","1") = "8"
    & skf18("2","7","1","5","8","10","1") = "9"
    & skf18("2","7","1","5","9","1","1") = "8"
    & skf18("2","7","1","5","9","2","1") = "8"
    & skf18("2","7","1","5","9","3","1") = "8"
    & skf18("2","7","1","5","9","4","1") = "8"
    & skf18("2","7","1","5","9","5","1") = "8"
    & skf18("2","7","1","5","9","6","1") = "8"
    & skf18("2","7","1","5","9","7","1") = "8"
    & skf18("2","7","1","5","9","8","1") = "8"
    & skf18("2","7","1","5","9","9","1") = "8"
    & skf18("2","7","1","5","9","10","1") = "9"
    & skf18("2","7","1","5","10","1","1") = "9"
    & skf18("2","7","1","5","10","2","1") = "9"
    & skf18("2","7","1","5","10","3","1") = "9"
    & skf18("2","7","1","5","10","4","1") = "9"
    & skf18("2","7","1","5","10","5","1") = "9"
    & skf18("2","7","1","5","10","6","1") = "9"
    & skf18("2","7","1","5","10","7","1") = "9"
    & skf18("2","7","1","5","10","8","1") = "9"
    & skf18("2","7","1","5","10","9","1") = "9"
    & skf18("2","7","1","5","10","10","1") = "9"
    & skf18("2","7","1","6","1","1","1") = "6"
    & skf18("2","7","1","6","1","2","1") = "6"
    & skf18("2","7","1","6","1","3","1") = "6"
    & skf18("2","7","1","6","1","4","1") = "6"
    & skf18("2","7","1","6","1","5","1") = "6"
    & skf18("2","7","1","6","1","6","1") = "6"
    & skf18("2","7","1","6","1","7","1") = "6"
    & skf18("2","7","1","6","1","8","1") = "7"
    & skf18("2","7","1","6","1","9","1") = "8"
    & skf18("2","7","1","6","1","10","1") = "9"
    & skf18("2","7","1","6","2","1","1") = "6"
    & skf18("2","7","1","6","2","2","1") = "6"
    & skf18("2","7","1","6","2","3","1") = "6"
    & skf18("2","7","1","6","2","4","1") = "6"
    & skf18("2","7","1","6","2","5","1") = "6"
    & skf18("2","7","1","6","2","6","1") = "6"
    & skf18("2","7","1","6","2","7","1") = "6"
    & skf18("2","7","1","6","2","8","1") = "7"
    & skf18("2","7","1","6","2","9","1") = "8"
    & skf18("2","7","1","6","2","10","1") = "9"
    & skf18("2","7","1","6","3","1","1") = "6"
    & skf18("2","7","1","6","3","2","1") = "6"
    & skf18("2","7","1","6","3","3","1") = "6"
    & skf18("2","7","1","6","3","4","1") = "6"
    & skf18("2","7","1","6","3","5","1") = "6"
    & skf18("2","7","1","6","3","6","1") = "6"
    & skf18("2","7","1","6","3","7","1") = "6"
    & skf18("2","7","1","6","3","8","1") = "7"
    & skf18("2","7","1","6","3","9","1") = "8"
    & skf18("2","7","1","6","3","10","1") = "9"
    & skf18("2","7","1","6","4","1","1") = "6"
    & skf18("2","7","1","6","4","2","1") = "6"
    & skf18("2","7","1","6","4","3","1") = "6"
    & skf18("2","7","1","6","4","4","1") = "6"
    & skf18("2","7","1","6","4","5","1") = "6"
    & skf18("2","7","1","6","4","6","1") = "6"
    & skf18("2","7","1","6","4","7","1") = "6"
    & skf18("2","7","1","6","4","8","1") = "7"
    & skf18("2","7","1","6","4","9","1") = "8"
    & skf18("2","7","1","6","4","10","1") = "9"
    & skf18("2","7","1","6","5","1","1") = "6"
    & skf18("2","7","1","6","5","2","1") = "6"
    & skf18("2","7","1","6","5","3","1") = "6"
    & skf18("2","7","1","6","5","4","1") = "6"
    & skf18("2","7","1","6","5","5","1") = "6"
    & skf18("2","7","1","6","5","6","1") = "6"
    & skf18("2","7","1","6","5","7","1") = "6"
    & skf18("2","7","1","6","5","8","1") = "7"
    & skf18("2","7","1","6","5","9","1") = "8"
    & skf18("2","7","1","6","5","10","1") = "9"
    & skf18("2","7","1","6","6","1","1") = "6"
    & skf18("2","7","1","6","6","2","1") = "6"
    & skf18("2","7","1","6","6","3","1") = "6"
    & skf18("2","7","1","6","6","4","1") = "6"
    & skf18("2","7","1","6","6","5","1") = "6"
    & skf18("2","7","1","6","6","6","1") = "6"
    & skf18("2","7","1","6","6","7","1") = "6"
    & skf18("2","7","1","6","6","8","1") = "7"
    & skf18("2","7","1","6","6","9","1") = "8"
    & skf18("2","7","1","6","6","10","1") = "9"
    & skf18("2","7","1","6","7","1","1") = "6"
    & skf18("2","7","1","6","7","2","1") = "6"
    & skf18("2","7","1","6","7","3","1") = "6"
    & skf18("2","7","1","6","7","4","1") = "6"
    & skf18("2","7","1","6","7","5","1") = "6"
    & skf18("2","7","1","6","7","6","1") = "6"
    & skf18("2","7","1","6","7","7","1") = "6"
    & skf18("2","7","1","6","7","8","1") = "7"
    & skf18("2","7","1","6","7","9","1") = "8"
    & skf18("2","7","1","6","7","10","1") = "9"
    & skf18("2","7","1","6","8","1","1") = "7"
    & skf18("2","7","1","6","8","2","1") = "7"
    & skf18("2","7","1","6","8","3","1") = "7"
    & skf18("2","7","1","6","8","4","1") = "7"
    & skf18("2","7","1","6","8","5","1") = "7"
    & skf18("2","7","1","6","8","6","1") = "7"
    & skf18("2","7","1","6","8","7","1") = "7"
    & skf18("2","7","1","6","8","8","1") = "7"
    & skf18("2","7","1","6","8","9","1") = "8"
    & skf18("2","7","1","6","8","10","1") = "9"
    & skf18("2","7","1","6","9","1","1") = "8"
    & skf18("2","7","1","6","9","2","1") = "8"
    & skf18("2","7","1","6","9","3","1") = "8"
    & skf18("2","7","1","6","9","4","1") = "8"
    & skf18("2","7","1","6","9","5","1") = "8"
    & skf18("2","7","1","6","9","6","1") = "8"
    & skf18("2","7","1","6","9","7","1") = "8"
    & skf18("2","7","1","6","9","8","1") = "8"
    & skf18("2","7","1","6","9","9","1") = "8"
    & skf18("2","7","1","6","9","10","1") = "9"
    & skf18("2","7","1","6","10","1","1") = "9"
    & skf18("2","7","1","6","10","2","1") = "9"
    & skf18("2","7","1","6","10","3","1") = "9"
    & skf18("2","7","1","6","10","4","1") = "9"
    & skf18("2","7","1","6","10","5","1") = "9"
    & skf18("2","7","1","6","10","6","1") = "9"
    & skf18("2","7","1","6","10","7","1") = "9"
    & skf18("2","7","1","6","10","8","1") = "9"
    & skf18("2","7","1","6","10","9","1") = "9"
    & skf18("2","7","1","6","10","10","1") = "9"
    & skf18("2","7","1","7","1","1","1") = "6"
    & skf18("2","7","1","7","1","2","1") = "6"
    & skf18("2","7","1","7","1","3","1") = "6"
    & skf18("2","7","1","7","1","4","1") = "6"
    & skf18("2","7","1","7","1","5","1") = "6"
    & skf18("2","7","1","7","1","6","1") = "6"
    & skf18("2","7","1","7","1","7","1") = "6"
    & skf18("2","7","1","7","1","8","1") = "7"
    & skf18("2","7","1","7","1","9","1") = "8"
    & skf18("2","7","1","7","1","10","1") = "9"
    & skf18("2","7","1","7","2","1","1") = "6"
    & skf18("2","7","1","7","2","2","1") = "6"
    & skf18("2","7","1","7","2","3","1") = "6"
    & skf18("2","7","1","7","2","4","1") = "6"
    & skf18("2","7","1","7","2","5","1") = "6"
    & skf18("2","7","1","7","2","6","1") = "6"
    & skf18("2","7","1","7","2","7","1") = "6"
    & skf18("2","7","1","7","2","8","1") = "7"
    & skf18("2","7","1","7","2","9","1") = "8"
    & skf18("2","7","1","7","2","10","1") = "9"
    & skf18("2","7","1","7","3","1","1") = "6"
    & skf18("2","7","1","7","3","2","1") = "6"
    & skf18("2","7","1","7","3","3","1") = "6"
    & skf18("2","7","1","7","3","4","1") = "6"
    & skf18("2","7","1","7","3","5","1") = "6"
    & skf18("2","7","1","7","3","6","1") = "6"
    & skf18("2","7","1","7","3","7","1") = "6"
    & skf18("2","7","1","7","3","8","1") = "7"
    & skf18("2","7","1","7","3","9","1") = "8"
    & skf18("2","7","1","7","3","10","1") = "9"
    & skf18("2","7","1","7","4","1","1") = "6"
    & skf18("2","7","1","7","4","2","1") = "6"
    & skf18("2","7","1","7","4","3","1") = "6"
    & skf18("2","7","1","7","4","4","1") = "6"
    & skf18("2","7","1","7","4","5","1") = "6"
    & skf18("2","7","1","7","4","6","1") = "6"
    & skf18("2","7","1","7","4","7","1") = "6"
    & skf18("2","7","1","7","4","8","1") = "7"
    & skf18("2","7","1","7","4","9","1") = "8"
    & skf18("2","7","1","7","4","10","1") = "9"
    & skf18("2","7","1","7","5","1","1") = "6"
    & skf18("2","7","1","7","5","2","1") = "6"
    & skf18("2","7","1","7","5","3","1") = "6"
    & skf18("2","7","1","7","5","4","1") = "6"
    & skf18("2","7","1","7","5","5","1") = "6"
    & skf18("2","7","1","7","5","6","1") = "6"
    & skf18("2","7","1","7","5","7","1") = "6"
    & skf18("2","7","1","7","5","8","1") = "7"
    & skf18("2","7","1","7","5","9","1") = "8"
    & skf18("2","7","1","7","5","10","1") = "9"
    & skf18("2","7","1","7","6","1","1") = "6"
    & skf18("2","7","1","7","6","2","1") = "6"
    & skf18("2","7","1","7","6","3","1") = "6"
    & skf18("2","7","1","7","6","4","1") = "6"
    & skf18("2","7","1","7","6","5","1") = "6"
    & skf18("2","7","1","7","6","6","1") = "6"
    & skf18("2","7","1","7","6","7","1") = "6"
    & skf18("2","7","1","7","6","8","1") = "7"
    & skf18("2","7","1","7","6","9","1") = "8"
    & skf18("2","7","1","7","6","10","1") = "9"
    & skf18("2","7","1","7","7","1","1") = "6"
    & skf18("2","7","1","7","7","2","1") = "6"
    & skf18("2","7","1","7","7","3","1") = "6"
    & skf18("2","7","1","7","7","4","1") = "6"
    & skf18("2","7","1","7","7","5","1") = "6"
    & skf18("2","7","1","7","7","6","1") = "6"
    & skf18("2","7","1","7","7","7","1") = "6"
    & skf18("2","7","1","7","7","8","1") = "7"
    & skf18("2","7","1","7","7","9","1") = "8"
    & skf18("2","7","1","7","7","10","1") = "9"
    & skf18("2","7","1","7","8","1","1") = "7"
    & skf18("2","7","1","7","8","2","1") = "7"
    & skf18("2","7","1","7","8","3","1") = "7"
    & skf18("2","7","1","7","8","4","1") = "7"
    & skf18("2","7","1","7","8","5","1") = "7"
    & skf18("2","7","1","7","8","6","1") = "7"
    & skf18("2","7","1","7","8","7","1") = "7"
    & skf18("2","7","1","7","8","8","1") = "7"
    & skf18("2","7","1","7","8","9","1") = "8"
    & skf18("2","7","1","7","8","10","1") = "9"
    & skf18("2","7","1","7","9","1","1") = "8"
    & skf18("2","7","1","7","9","2","1") = "8"
    & skf18("2","7","1","7","9","3","1") = "8"
    & skf18("2","7","1","7","9","4","1") = "8"
    & skf18("2","7","1","7","9","5","1") = "8"
    & skf18("2","7","1","7","9","6","1") = "8"
    & skf18("2","7","1","7","9","7","1") = "8"
    & skf18("2","7","1","7","9","8","1") = "8"
    & skf18("2","7","1","7","9","9","1") = "8"
    & skf18("2","7","1","7","9","10","1") = "9"
    & skf18("2","7","1","7","10","1","1") = "9"
    & skf18("2","7","1","7","10","2","1") = "9"
    & skf18("2","7","1","7","10","3","1") = "9"
    & skf18("2","7","1","7","10","4","1") = "9"
    & skf18("2","7","1","7","10","5","1") = "9"
    & skf18("2","7","1","7","10","6","1") = "9"
    & skf18("2","7","1","7","10","7","1") = "9"
    & skf18("2","7","1","7","10","8","1") = "9"
    & skf18("2","7","1","7","10","9","1") = "9"
    & skf18("2","7","1","7","10","10","1") = "9"
    & skf18("2","7","1","8","1","1","1") = "7"
    & skf18("2","7","1","8","1","2","1") = "7"
    & skf18("2","7","1","8","1","3","1") = "7"
    & skf18("2","7","1","8","1","4","1") = "7"
    & skf18("2","7","1","8","1","5","1") = "7"
    & skf18("2","7","1","8","1","6","1") = "7"
    & skf18("2","7","1","8","1","7","1") = "7"
    & skf18("2","7","1","8","1","8","1") = "7"
    & skf18("2","7","1","8","1","9","1") = "8"
    & skf18("2","7","1","8","1","10","1") = "9"
    & skf18("2","7","1","8","2","1","1") = "7"
    & skf18("2","7","1","8","2","2","1") = "7"
    & skf18("2","7","1","8","2","3","1") = "7"
    & skf18("2","7","1","8","2","4","1") = "7"
    & skf18("2","7","1","8","2","5","1") = "7"
    & skf18("2","7","1","8","2","6","1") = "7"
    & skf18("2","7","1","8","2","7","1") = "7"
    & skf18("2","7","1","8","2","8","1") = "7"
    & skf18("2","7","1","8","2","9","1") = "8"
    & skf18("2","7","1","8","2","10","1") = "9"
    & skf18("2","7","1","8","3","1","1") = "7"
    & skf18("2","7","1","8","3","2","1") = "7"
    & skf18("2","7","1","8","3","3","1") = "7"
    & skf18("2","7","1","8","3","4","1") = "7"
    & skf18("2","7","1","8","3","5","1") = "7"
    & skf18("2","7","1","8","3","6","1") = "7"
    & skf18("2","7","1","8","3","7","1") = "7"
    & skf18("2","7","1","8","3","8","1") = "7"
    & skf18("2","7","1","8","3","9","1") = "8"
    & skf18("2","7","1","8","3","10","1") = "9"
    & skf18("2","7","1","8","4","1","1") = "7"
    & skf18("2","7","1","8","4","2","1") = "7"
    & skf18("2","7","1","8","4","3","1") = "7"
    & skf18("2","7","1","8","4","4","1") = "7"
    & skf18("2","7","1","8","4","5","1") = "7"
    & skf18("2","7","1","8","4","6","1") = "7"
    & skf18("2","7","1","8","4","7","1") = "7"
    & skf18("2","7","1","8","4","8","1") = "7"
    & skf18("2","7","1","8","4","9","1") = "8"
    & skf18("2","7","1","8","4","10","1") = "9"
    & skf18("2","7","1","8","5","1","1") = "7"
    & skf18("2","7","1","8","5","2","1") = "7"
    & skf18("2","7","1","8","5","3","1") = "7"
    & skf18("2","7","1","8","5","4","1") = "7"
    & skf18("2","7","1","8","5","5","1") = "7"
    & skf18("2","7","1","8","5","6","1") = "7"
    & skf18("2","7","1","8","5","7","1") = "7"
    & skf18("2","7","1","8","5","8","1") = "7"
    & skf18("2","7","1","8","5","9","1") = "8"
    & skf18("2","7","1","8","5","10","1") = "9"
    & skf18("2","7","1","8","6","1","1") = "7"
    & skf18("2","7","1","8","6","2","1") = "7"
    & skf18("2","7","1","8","6","3","1") = "7"
    & skf18("2","7","1","8","6","4","1") = "7"
    & skf18("2","7","1","8","6","5","1") = "7"
    & skf18("2","7","1","8","6","6","1") = "7"
    & skf18("2","7","1","8","6","7","1") = "7"
    & skf18("2","7","1","8","6","8","1") = "7"
    & skf18("2","7","1","8","6","9","1") = "8"
    & skf18("2","7","1","8","6","10","1") = "9"
    & skf18("2","7","1","8","7","1","1") = "7"
    & skf18("2","7","1","8","7","2","1") = "7"
    & skf18("2","7","1","8","7","3","1") = "7"
    & skf18("2","7","1","8","7","4","1") = "7"
    & skf18("2","7","1","8","7","5","1") = "7"
    & skf18("2","7","1","8","7","6","1") = "7"
    & skf18("2","7","1","8","7","7","1") = "7"
    & skf18("2","7","1","8","7","8","1") = "7"
    & skf18("2","7","1","8","7","9","1") = "8"
    & skf18("2","7","1","8","7","10","1") = "9"
    & skf18("2","7","1","8","8","1","1") = "7"
    & skf18("2","7","1","8","8","2","1") = "7"
    & skf18("2","7","1","8","8","3","1") = "7"
    & skf18("2","7","1","8","8","4","1") = "7"
    & skf18("2","7","1","8","8","5","1") = "7"
    & skf18("2","7","1","8","8","6","1") = "7"
    & skf18("2","7","1","8","8","7","1") = "7"
    & skf18("2","7","1","8","8","8","1") = "7"
    & skf18("2","7","1","8","8","9","1") = "8"
    & skf18("2","7","1","8","8","10","1") = "9"
    & skf18("2","7","1","8","9","1","1") = "8"
    & skf18("2","7","1","8","9","2","1") = "8"
    & skf18("2","7","1","8","9","3","1") = "8"
    & skf18("2","7","1","8","9","4","1") = "8"
    & skf18("2","7","1","8","9","5","1") = "8"
    & skf18("2","7","1","8","9","6","1") = "8"
    & skf18("2","7","1","8","9","7","1") = "8"
    & skf18("2","7","1","8","9","8","1") = "8"
    & skf18("2","7","1","8","9","9","1") = "8"
    & skf18("2","7","1","8","9","10","1") = "9"
    & skf18("2","7","1","8","10","1","1") = "9"
    & skf18("2","7","1","8","10","2","1") = "9"
    & skf18("2","7","1","8","10","3","1") = "9"
    & skf18("2","7","1","8","10","4","1") = "9"
    & skf18("2","7","1","8","10","5","1") = "9"
    & skf18("2","7","1","8","10","6","1") = "9"
    & skf18("2","7","1","8","10","7","1") = "9"
    & skf18("2","7","1","8","10","8","1") = "9"
    & skf18("2","7","1","8","10","9","1") = "9"
    & skf18("2","7","1","8","10","10","1") = "9"
    & skf18("2","7","1","9","1","1","1") = "8"
    & skf18("2","7","1","9","1","2","1") = "8"
    & skf18("2","7","1","9","1","3","1") = "8"
    & skf18("2","7","1","9","1","4","1") = "8"
    & skf18("2","7","1","9","1","5","1") = "8"
    & skf18("2","7","1","9","1","6","1") = "8"
    & skf18("2","7","1","9","1","7","1") = "8"
    & skf18("2","7","1","9","1","8","1") = "8"
    & skf18("2","7","1","9","1","9","1") = "8"
    & skf18("2","7","1","9","1","10","1") = "9"
    & skf18("2","7","1","9","2","1","1") = "8"
    & skf18("2","7","1","9","2","2","1") = "8"
    & skf18("2","7","1","9","2","3","1") = "8"
    & skf18("2","7","1","9","2","4","1") = "8"
    & skf18("2","7","1","9","2","5","1") = "8"
    & skf18("2","7","1","9","2","6","1") = "8"
    & skf18("2","7","1","9","2","7","1") = "8"
    & skf18("2","7","1","9","2","8","1") = "8"
    & skf18("2","7","1","9","2","9","1") = "8"
    & skf18("2","7","1","9","2","10","1") = "9"
    & skf18("2","7","1","9","3","1","1") = "8"
    & skf18("2","7","1","9","3","2","1") = "8"
    & skf18("2","7","1","9","3","3","1") = "8"
    & skf18("2","7","1","9","3","4","1") = "8"
    & skf18("2","7","1","9","3","5","1") = "8"
    & skf18("2","7","1","9","3","6","1") = "8"
    & skf18("2","7","1","9","3","7","1") = "8"
    & skf18("2","7","1","9","3","8","1") = "8"
    & skf18("2","7","1","9","3","9","1") = "8"
    & skf18("2","7","1","9","3","10","1") = "9"
    & skf18("2","7","1","9","4","1","1") = "8"
    & skf18("2","7","1","9","4","2","1") = "8"
    & skf18("2","7","1","9","4","3","1") = "8"
    & skf18("2","7","1","9","4","4","1") = "8"
    & skf18("2","7","1","9","4","5","1") = "8"
    & skf18("2","7","1","9","4","6","1") = "8"
    & skf18("2","7","1","9","4","7","1") = "8"
    & skf18("2","7","1","9","4","8","1") = "8"
    & skf18("2","7","1","9","4","9","1") = "8"
    & skf18("2","7","1","9","4","10","1") = "9"
    & skf18("2","7","1","9","5","1","1") = "8"
    & skf18("2","7","1","9","5","2","1") = "8"
    & skf18("2","7","1","9","5","3","1") = "8"
    & skf18("2","7","1","9","5","4","1") = "8"
    & skf18("2","7","1","9","5","5","1") = "8"
    & skf18("2","7","1","9","5","6","1") = "8"
    & skf18("2","7","1","9","5","7","1") = "8"
    & skf18("2","7","1","9","5","8","1") = "8"
    & skf18("2","7","1","9","5","9","1") = "8"
    & skf18("2","7","1","9","5","10","1") = "9"
    & skf18("2","7","1","9","6","1","1") = "8"
    & skf18("2","7","1","9","6","2","1") = "8"
    & skf18("2","7","1","9","6","3","1") = "8"
    & skf18("2","7","1","9","6","4","1") = "8"
    & skf18("2","7","1","9","6","5","1") = "8"
    & skf18("2","7","1","9","6","6","1") = "8"
    & skf18("2","7","1","9","6","7","1") = "8"
    & skf18("2","7","1","9","6","8","1") = "8"
    & skf18("2","7","1","9","6","9","1") = "8"
    & skf18("2","7","1","9","6","10","1") = "9"
    & skf18("2","7","1","9","7","1","1") = "8"
    & skf18("2","7","1","9","7","2","1") = "8"
    & skf18("2","7","1","9","7","3","1") = "8"
    & skf18("2","7","1","9","7","4","1") = "8"
    & skf18("2","7","1","9","7","5","1") = "8"
    & skf18("2","7","1","9","7","6","1") = "8"
    & skf18("2","7","1","9","7","7","1") = "8"
    & skf18("2","7","1","9","7","8","1") = "8"
    & skf18("2","7","1","9","7","9","1") = "8"
    & skf18("2","7","1","9","7","10","1") = "9"
    & skf18("2","7","1","9","8","1","1") = "8"
    & skf18("2","7","1","9","8","2","1") = "8"
    & skf18("2","7","1","9","8","3","1") = "8"
    & skf18("2","7","1","9","8","4","1") = "8"
    & skf18("2","7","1","9","8","5","1") = "8"
    & skf18("2","7","1","9","8","6","1") = "8"
    & skf18("2","7","1","9","8","7","1") = "8"
    & skf18("2","7","1","9","8","8","1") = "8"
    & skf18("2","7","1","9","8","9","1") = "8"
    & skf18("2","7","1","9","8","10","1") = "9"
    & skf18("2","7","1","9","9","1","1") = "8"
    & skf18("2","7","1","9","9","2","1") = "8"
    & skf18("2","7","1","9","9","3","1") = "8"
    & skf18("2","7","1","9","9","4","1") = "8"
    & skf18("2","7","1","9","9","5","1") = "8"
    & skf18("2","7","1","9","9","6","1") = "8"
    & skf18("2","7","1","9","9","7","1") = "8"
    & skf18("2","7","1","9","9","8","1") = "8"
    & skf18("2","7","1","9","9","9","1") = "8"
    & skf18("2","7","1","9","9","10","1") = "9"
    & skf18("2","7","1","9","10","1","1") = "9"
    & skf18("2","7","1","9","10","2","1") = "9"
    & skf18("2","7","1","9","10","3","1") = "9"
    & skf18("2","7","1","9","10","4","1") = "9"
    & skf18("2","7","1","9","10","5","1") = "9"
    & skf18("2","7","1","9","10","6","1") = "9"
    & skf18("2","7","1","9","10","7","1") = "9"
    & skf18("2","7","1","9","10","8","1") = "9"
    & skf18("2","7","1","9","10","9","1") = "9"
    & skf18("2","7","1","9","10","10","1") = "9"
    & skf18("2","7","1","10","1","1","1") = "9"
    & skf18("2","7","1","10","1","2","1") = "9"
    & skf18("2","7","1","10","1","3","1") = "9"
    & skf18("2","7","1","10","1","4","1") = "9"
    & skf18("2","7","1","10","1","5","1") = "9"
    & skf18("2","7","1","10","1","6","1") = "9"
    & skf18("2","7","1","10","1","7","1") = "9"
    & skf18("2","7","1","10","1","8","1") = "9"
    & skf18("2","7","1","10","1","9","1") = "9"
    & skf18("2","7","1","10","1","10","1") = "9"
    & skf18("2","7","1","10","2","1","1") = "9"
    & skf18("2","7","1","10","2","2","1") = "9"
    & skf18("2","7","1","10","2","3","1") = "9"
    & skf18("2","7","1","10","2","4","1") = "9"
    & skf18("2","7","1","10","2","5","1") = "9"
    & skf18("2","7","1","10","2","6","1") = "9"
    & skf18("2","7","1","10","2","7","1") = "9"
    & skf18("2","7","1","10","2","8","1") = "9"
    & skf18("2","7","1","10","2","9","1") = "9"
    & skf18("2","7","1","10","2","10","1") = "9"
    & skf18("2","7","1","10","3","1","1") = "9"
    & skf18("2","7","1","10","3","2","1") = "9"
    & skf18("2","7","1","10","3","3","1") = "9"
    & skf18("2","7","1","10","3","4","1") = "9"
    & skf18("2","7","1","10","3","5","1") = "9"
    & skf18("2","7","1","10","3","6","1") = "9"
    & skf18("2","7","1","10","3","7","1") = "9"
    & skf18("2","7","1","10","3","8","1") = "9"
    & skf18("2","7","1","10","3","9","1") = "9"
    & skf18("2","7","1","10","3","10","1") = "9"
    & skf18("2","7","1","10","4","1","1") = "9"
    & skf18("2","7","1","10","4","2","1") = "9"
    & skf18("2","7","1","10","4","3","1") = "9"
    & skf18("2","7","1","10","4","4","1") = "9"
    & skf18("2","7","1","10","4","5","1") = "9"
    & skf18("2","7","1","10","4","6","1") = "9"
    & skf18("2","7","1","10","4","7","1") = "9"
    & skf18("2","7","1","10","4","8","1") = "9"
    & skf18("2","7","1","10","4","9","1") = "9"
    & skf18("2","7","1","10","4","10","1") = "9"
    & skf18("2","7","1","10","5","1","1") = "9"
    & skf18("2","7","1","10","5","2","1") = "9"
    & skf18("2","7","1","10","5","3","1") = "9"
    & skf18("2","7","1","10","5","4","1") = "9"
    & skf18("2","7","1","10","5","5","1") = "9"
    & skf18("2","7","1","10","5","6","1") = "9"
    & skf18("2","7","1","10","5","7","1") = "9"
    & skf18("2","7","1","10","5","8","1") = "9"
    & skf18("2","7","1","10","5","9","1") = "9"
    & skf18("2","7","1","10","5","10","1") = "9"
    & skf18("2","7","1","10","6","1","1") = "9"
    & skf18("2","7","1","10","6","2","1") = "9"
    & skf18("2","7","1","10","6","3","1") = "9"
    & skf18("2","7","1","10","6","4","1") = "9"
    & skf18("2","7","1","10","6","5","1") = "9"
    & skf18("2","7","1","10","6","6","1") = "9"
    & skf18("2","7","1","10","6","7","1") = "9"
    & skf18("2","7","1","10","6","8","1") = "9"
    & skf18("2","7","1","10","6","9","1") = "9"
    & skf18("2","7","1","10","6","10","1") = "9"
    & skf18("2","7","1","10","7","1","1") = "9"
    & skf18("2","7","1","10","7","2","1") = "9"
    & skf18("2","7","1","10","7","3","1") = "9"
    & skf18("2","7","1","10","7","4","1") = "9"
    & skf18("2","7","1","10","7","5","1") = "9"
    & skf18("2","7","1","10","7","6","1") = "9"
    & skf18("2","7","1","10","7","7","1") = "9"
    & skf18("2","7","1","10","7","8","1") = "9"
    & skf18("2","7","1","10","7","9","1") = "9"
    & skf18("2","7","1","10","7","10","1") = "9"
    & skf18("2","7","1","10","8","1","1") = "9"
    & skf18("2","7","1","10","8","2","1") = "9"
    & skf18("2","7","1","10","8","3","1") = "9"
    & skf18("2","7","1","10","8","4","1") = "9"
    & skf18("2","7","1","10","8","5","1") = "9"
    & skf18("2","7","1","10","8","6","1") = "9"
    & skf18("2","7","1","10","8","7","1") = "9"
    & skf18("2","7","1","10","8","8","1") = "9"
    & skf18("2","7","1","10","8","9","1") = "9"
    & skf18("2","7","1","10","8","10","1") = "9"
    & skf18("2","7","1","10","9","1","1") = "9"
    & skf18("2","7","1","10","9","2","1") = "9"
    & skf18("2","7","1","10","9","3","1") = "9"
    & skf18("2","7","1","10","9","4","1") = "9"
    & skf18("2","7","1","10","9","5","1") = "9"
    & skf18("2","7","1","10","9","6","1") = "9"
    & skf18("2","7","1","10","9","7","1") = "9"
    & skf18("2","7","1","10","9","8","1") = "9"
    & skf18("2","7","1","10","9","9","1") = "9"
    & skf18("2","7","1","10","9","10","1") = "9"
    & skf18("2","7","1","10","10","1","1") = "9"
    & skf18("2","7","1","10","10","2","1") = "9"
    & skf18("2","7","1","10","10","3","1") = "9"
    & skf18("2","7","1","10","10","4","1") = "9"
    & skf18("2","7","1","10","10","5","1") = "9"
    & skf18("2","7","1","10","10","6","1") = "9"
    & skf18("2","7","1","10","10","7","1") = "9"
    & skf18("2","7","1","10","10","8","1") = "9"
    & skf18("2","7","1","10","10","9","1") = "9"
    & skf18("2","7","1","10","10","10","1") = "9"
    & skf18("2","7","2","1","1","1","1") = "6"
    & skf18("2","7","2","1","1","2","1") = "6"
    & skf18("2","7","2","1","1","3","1") = "6"
    & skf18("2","7","2","1","1","4","1") = "6"
    & skf18("2","7","2","1","1","5","1") = "6"
    & skf18("2","7","2","1","1","6","1") = "6"
    & skf18("2","7","2","1","1","7","1") = "6"
    & skf18("2","7","2","1","1","8","1") = "7"
    & skf18("2","7","2","1","1","9","1") = "8"
    & skf18("2","7","2","1","1","10","1") = "9"
    & skf18("2","7","2","1","2","1","1") = "6"
    & skf18("2","7","2","1","2","2","1") = "6"
    & skf18("2","7","2","1","2","3","1") = "6"
    & skf18("2","7","2","1","2","4","1") = "6"
    & skf18("2","7","2","1","2","5","1") = "6"
    & skf18("2","7","2","1","2","6","1") = "6"
    & skf18("2","7","2","1","2","7","1") = "6"
    & skf18("2","7","2","1","2","8","1") = "7"
    & skf18("2","7","2","1","2","9","1") = "8"
    & skf18("2","7","2","1","2","10","1") = "9"
    & skf18("2","7","2","1","3","1","1") = "6"
    & skf18("2","7","2","1","3","2","1") = "6"
    & skf18("2","7","2","1","3","3","1") = "6"
    & skf18("2","7","2","1","3","4","1") = "6"
    & skf18("2","7","2","1","3","5","1") = "6"
    & skf18("2","7","2","1","3","6","1") = "6"
    & skf18("2","7","2","1","3","7","1") = "6"
    & skf18("2","7","2","1","3","8","1") = "7"
    & skf18("2","7","2","1","3","9","1") = "8"
    & skf18("2","7","2","1","3","10","1") = "9"
    & skf18("2","7","2","1","4","1","1") = "6"
    & skf18("2","7","2","1","4","2","1") = "6"
    & skf18("2","7","2","1","4","3","1") = "6"
    & skf18("2","7","2","1","4","4","1") = "6"
    & skf18("2","7","2","1","4","5","1") = "6"
    & skf18("2","7","2","1","4","6","1") = "6"
    & skf18("2","7","2","1","4","7","1") = "6"
    & skf18("2","7","2","1","4","8","1") = "7"
    & skf18("2","7","2","1","4","9","1") = "8"
    & skf18("2","7","2","1","4","10","1") = "9"
    & skf18("2","7","2","1","5","1","1") = "6"
    & skf18("2","7","2","1","5","2","1") = "6"
    & skf18("2","7","2","1","5","3","1") = "6"
    & skf18("2","7","2","1","5","4","1") = "6"
    & skf18("2","7","2","1","5","5","1") = "6"
    & skf18("2","7","2","1","5","6","1") = "6"
    & skf18("2","7","2","1","5","7","1") = "6"
    & skf18("2","7","2","1","5","8","1") = "7"
    & skf18("2","7","2","1","5","9","1") = "8"
    & skf18("2","7","2","1","5","10","1") = "9"
    & skf18("2","7","2","1","6","1","1") = "6"
    & skf18("2","7","2","1","6","2","1") = "6"
    & skf18("2","7","2","1","6","3","1") = "6"
    & skf18("2","7","2","1","6","4","1") = "6"
    & skf18("2","7","2","1","6","5","1") = "6"
    & skf18("2","7","2","1","6","6","1") = "6"
    & skf18("2","7","2","1","6","7","1") = "6"
    & skf18("2","7","2","1","6","8","1") = "7"
    & skf18("2","7","2","1","6","9","1") = "8"
    & skf18("2","7","2","1","6","10","1") = "9"
    & skf18("2","7","2","1","7","1","1") = "6"
    & skf18("2","7","2","1","7","2","1") = "6"
    & skf18("2","7","2","1","7","3","1") = "6"
    & skf18("2","7","2","1","7","4","1") = "6"
    & skf18("2","7","2","1","7","5","1") = "6"
    & skf18("2","7","2","1","7","6","1") = "6"
    & skf18("2","7","2","1","7","7","1") = "6"
    & skf18("2","7","2","1","7","8","1") = "7"
    & skf18("2","7","2","1","7","9","1") = "8"
    & skf18("2","7","2","1","7","10","1") = "9"
    & skf18("2","7","2","1","8","1","1") = "7"
    & skf18("2","7","2","1","8","2","1") = "7"
    & skf18("2","7","2","1","8","3","1") = "7"
    & skf18("2","7","2","1","8","4","1") = "7"
    & skf18("2","7","2","1","8","5","1") = "7"
    & skf18("2","7","2","1","8","6","1") = "7"
    & skf18("2","7","2","1","8","7","1") = "7"
    & skf18("2","7","2","1","8","8","1") = "7"
    & skf18("2","7","2","1","8","9","1") = "8"
    & skf18("2","7","2","1","8","10","1") = "9"
    & skf18("2","7","2","1","9","1","1") = "8"
    & skf18("2","7","2","1","9","2","1") = "8"
    & skf18("2","7","2","1","9","3","1") = "8"
    & skf18("2","7","2","1","9","4","1") = "8"
    & skf18("2","7","2","1","9","5","1") = "8"
    & skf18("2","7","2","1","9","6","1") = "8"
    & skf18("2","7","2","1","9","7","1") = "8"
    & skf18("2","7","2","1","9","8","1") = "8"
    & skf18("2","7","2","1","9","9","1") = "8"
    & skf18("2","7","2","1","9","10","1") = "9"
    & skf18("2","7","2","1","10","1","1") = "9"
    & skf18("2","7","2","1","10","2","1") = "9"
    & skf18("2","7","2","1","10","3","1") = "9"
    & skf18("2","7","2","1","10","4","1") = "9"
    & skf18("2","7","2","1","10","5","1") = "9"
    & skf18("2","7","2","1","10","6","1") = "9"
    & skf18("2","7","2","1","10","7","1") = "9"
    & skf18("2","7","2","1","10","8","1") = "9"
    & skf18("2","7","2","1","10","9","1") = "9"
    & skf18("2","7","2","1","10","10","1") = "9"
    & skf18("2","7","2","2","1","1","1") = "6"
    & skf18("2","7","2","2","1","2","1") = "6"
    & skf18("2","7","2","2","1","3","1") = "6"
    & skf18("2","7","2","2","1","4","1") = "6"
    & skf18("2","7","2","2","1","5","1") = "6"
    & skf18("2","7","2","2","1","6","1") = "6"
    & skf18("2","7","2","2","1","7","1") = "6"
    & skf18("2","7","2","2","1","8","1") = "7"
    & skf18("2","7","2","2","1","9","1") = "8"
    & skf18("2","7","2","2","1","10","1") = "9"
    & skf18("2","7","2","2","2","1","1") = "6"
    & skf18("2","7","2","2","2","2","1") = "6"
    & skf18("2","7","2","2","2","3","1") = "6"
    & skf18("2","7","2","2","2","4","1") = "6"
    & skf18("2","7","2","2","2","5","1") = "6"
    & skf18("2","7","2","2","2","6","1") = "6"
    & skf18("2","7","2","2","2","7","1") = "6"
    & skf18("2","7","2","2","2","8","1") = "7"
    & skf18("2","7","2","2","2","9","1") = "8"
    & skf18("2","7","2","2","2","10","1") = "9"
    & skf18("2","7","2","2","3","1","1") = "6"
    & skf18("2","7","2","2","3","2","1") = "6"
    & skf18("2","7","2","2","3","3","1") = "6"
    & skf18("2","7","2","2","3","4","1") = "6"
    & skf18("2","7","2","2","3","5","1") = "6"
    & skf18("2","7","2","2","3","6","1") = "6"
    & skf18("2","7","2","2","3","7","1") = "6"
    & skf18("2","7","2","2","3","8","1") = "7"
    & skf18("2","7","2","2","3","9","1") = "8"
    & skf18("2","7","2","2","3","10","1") = "9"
    & skf18("2","7","2","2","4","1","1") = "6"
    & skf18("2","7","2","2","4","2","1") = "6"
    & skf18("2","7","2","2","4","3","1") = "6"
    & skf18("2","7","2","2","4","4","1") = "6"
    & skf18("2","7","2","2","4","5","1") = "6"
    & skf18("2","7","2","2","4","6","1") = "6"
    & skf18("2","7","2","2","4","7","1") = "6"
    & skf18("2","7","2","2","4","8","1") = "7"
    & skf18("2","7","2","2","4","9","1") = "8"
    & skf18("2","7","2","2","4","10","1") = "9"
    & skf18("2","7","2","2","5","1","1") = "6"
    & skf18("2","7","2","2","5","2","1") = "6"
    & skf18("2","7","2","2","5","3","1") = "6"
    & skf18("2","7","2","2","5","4","1") = "6"
    & skf18("2","7","2","2","5","5","1") = "6"
    & skf18("2","7","2","2","5","6","1") = "6"
    & skf18("2","7","2","2","5","7","1") = "6"
    & skf18("2","7","2","2","5","8","1") = "7"
    & skf18("2","7","2","2","5","9","1") = "8"
    & skf18("2","7","2","2","5","10","1") = "9"
    & skf18("2","7","2","2","6","1","1") = "6"
    & skf18("2","7","2","2","6","2","1") = "6"
    & skf18("2","7","2","2","6","3","1") = "6"
    & skf18("2","7","2","2","6","4","1") = "6"
    & skf18("2","7","2","2","6","5","1") = "6"
    & skf18("2","7","2","2","6","6","1") = "6"
    & skf18("2","7","2","2","6","7","1") = "6"
    & skf18("2","7","2","2","6","8","1") = "7"
    & skf18("2","7","2","2","6","9","1") = "8"
    & skf18("2","7","2","2","6","10","1") = "9"
    & skf18("2","7","2","2","7","1","1") = "6"
    & skf18("2","7","2","2","7","2","1") = "6"
    & skf18("2","7","2","2","7","3","1") = "6"
    & skf18("2","7","2","2","7","4","1") = "6"
    & skf18("2","7","2","2","7","5","1") = "6"
    & skf18("2","7","2","2","7","6","1") = "6"
    & skf18("2","7","2","2","7","7","1") = "6"
    & skf18("2","7","2","2","7","8","1") = "7"
    & skf18("2","7","2","2","7","9","1") = "8"
    & skf18("2","7","2","2","7","10","1") = "9"
    & skf18("2","7","2","2","8","1","1") = "7"
    & skf18("2","7","2","2","8","2","1") = "7"
    & skf18("2","7","2","2","8","3","1") = "7"
    & skf18("2","7","2","2","8","4","1") = "7"
    & skf18("2","7","2","2","8","5","1") = "7"
    & skf18("2","7","2","2","8","6","1") = "7"
    & skf18("2","7","2","2","8","7","1") = "7"
    & skf18("2","7","2","2","8","8","1") = "7"
    & skf18("2","7","2","2","8","9","1") = "8"
    & skf18("2","7","2","2","8","10","1") = "9"
    & skf18("2","7","2","2","9","1","1") = "8"
    & skf18("2","7","2","2","9","2","1") = "8"
    & skf18("2","7","2","2","9","3","1") = "8"
    & skf18("2","7","2","2","9","4","1") = "8"
    & skf18("2","7","2","2","9","5","1") = "8"
    & skf18("2","7","2","2","9","6","1") = "8"
    & skf18("2","7","2","2","9","7","1") = "8"
    & skf18("2","7","2","2","9","8","1") = "8"
    & skf18("2","7","2","2","9","9","1") = "8"
    & skf18("2","7","2","2","9","10","1") = "9"
    & skf18("2","7","2","2","10","1","1") = "9"
    & skf18("2","7","2","2","10","2","1") = "9"
    & skf18("2","7","2","2","10","3","1") = "9"
    & skf18("2","7","2","2","10","4","1") = "9"
    & skf18("2","7","2","2","10","5","1") = "9"
    & skf18("2","7","2","2","10","6","1") = "9"
    & skf18("2","7","2","2","10","7","1") = "9"
    & skf18("2","7","2","2","10","8","1") = "9"
    & skf18("2","7","2","2","10","9","1") = "9"
    & skf18("2","7","2","2","10","10","1") = "9"
    & skf18("2","7","2","3","1","1","1") = "6"
    & skf18("2","7","2","3","1","2","1") = "6"
    & skf18("2","7","2","3","1","3","1") = "6"
    & skf18("2","7","2","3","1","4","1") = "6"
    & skf18("2","7","2","3","1","5","1") = "6"
    & skf18("2","7","2","3","1","6","1") = "6"
    & skf18("2","7","2","3","1","7","1") = "6"
    & skf18("2","7","2","3","1","8","1") = "7"
    & skf18("2","7","2","3","1","9","1") = "8"
    & skf18("2","7","2","3","1","10","1") = "9"
    & skf18("2","7","2","3","2","1","1") = "6"
    & skf18("2","7","2","3","2","2","1") = "6"
    & skf18("2","7","2","3","2","3","1") = "6"
    & skf18("2","7","2","3","2","4","1") = "6"
    & skf18("2","7","2","3","2","5","1") = "6"
    & skf18("2","7","2","3","2","6","1") = "6"
    & skf18("2","7","2","3","2","7","1") = "6"
    & skf18("2","7","2","3","2","8","1") = "7"
    & skf18("2","7","2","3","2","9","1") = "8"
    & skf18("2","7","2","3","2","10","1") = "9"
    & skf18("2","7","2","3","3","1","1") = "6"
    & skf18("2","7","2","3","3","2","1") = "6"
    & skf18("2","7","2","3","3","3","1") = "6"
    & skf18("2","7","2","3","3","4","1") = "6"
    & skf18("2","7","2","3","3","5","1") = "6"
    & skf18("2","7","2","3","3","6","1") = "6"
    & skf18("2","7","2","3","3","7","1") = "6"
    & skf18("2","7","2","3","3","8","1") = "7"
    & skf18("2","7","2","3","3","9","1") = "8"
    & skf18("2","7","2","3","3","10","1") = "9"
    & skf18("2","7","2","3","4","1","1") = "6"
    & skf18("2","7","2","3","4","2","1") = "6"
    & skf18("2","7","2","3","4","3","1") = "6"
    & skf18("2","7","2","3","4","4","1") = "6"
    & skf18("2","7","2","3","4","5","1") = "6"
    & skf18("2","7","2","3","4","6","1") = "6"
    & skf18("2","7","2","3","4","7","1") = "6"
    & skf18("2","7","2","3","4","8","1") = "7"
    & skf18("2","7","2","3","4","9","1") = "8"
    & skf18("2","7","2","3","4","10","1") = "9"
    & skf18("2","7","2","3","5","1","1") = "6"
    & skf18("2","7","2","3","5","2","1") = "6"
    & skf18("2","7","2","3","5","3","1") = "6"
    & skf18("2","7","2","3","5","4","1") = "6"
    & skf18("2","7","2","3","5","5","1") = "6"
    & skf18("2","7","2","3","5","6","1") = "6"
    & skf18("2","7","2","3","5","7","1") = "6"
    & skf18("2","7","2","3","5","8","1") = "7"
    & skf18("2","7","2","3","5","9","1") = "8"
    & skf18("2","7","2","3","5","10","1") = "9"
    & skf18("2","7","2","3","6","1","1") = "6"
    & skf18("2","7","2","3","6","2","1") = "6"
    & skf18("2","7","2","3","6","3","1") = "6"
    & skf18("2","7","2","3","6","4","1") = "6"
    & skf18("2","7","2","3","6","5","1") = "6"
    & skf18("2","7","2","3","6","6","1") = "6"
    & skf18("2","7","2","3","6","7","1") = "6"
    & skf18("2","7","2","3","6","8","1") = "7"
    & skf18("2","7","2","3","6","9","1") = "8"
    & skf18("2","7","2","3","6","10","1") = "9"
    & skf18("2","7","2","3","7","1","1") = "6"
    & skf18("2","7","2","3","7","2","1") = "6"
    & skf18("2","7","2","3","7","3","1") = "6"
    & skf18("2","7","2","3","7","4","1") = "6"
    & skf18("2","7","2","3","7","5","1") = "6"
    & skf18("2","7","2","3","7","6","1") = "6"
    & skf18("2","7","2","3","7","7","1") = "6"
    & skf18("2","7","2","3","7","8","1") = "7"
    & skf18("2","7","2","3","7","9","1") = "8"
    & skf18("2","7","2","3","7","10","1") = "9"
    & skf18("2","7","2","3","8","1","1") = "7"
    & skf18("2","7","2","3","8","2","1") = "7"
    & skf18("2","7","2","3","8","3","1") = "7"
    & skf18("2","7","2","3","8","4","1") = "7"
    & skf18("2","7","2","3","8","5","1") = "7"
    & skf18("2","7","2","3","8","6","1") = "7"
    & skf18("2","7","2","3","8","7","1") = "7"
    & skf18("2","7","2","3","8","8","1") = "7"
    & skf18("2","7","2","3","8","9","1") = "8"
    & skf18("2","7","2","3","8","10","1") = "9"
    & skf18("2","7","2","3","9","1","1") = "8"
    & skf18("2","7","2","3","9","2","1") = "8"
    & skf18("2","7","2","3","9","3","1") = "8"
    & skf18("2","7","2","3","9","4","1") = "8"
    & skf18("2","7","2","3","9","5","1") = "8"
    & skf18("2","7","2","3","9","6","1") = "8"
    & skf18("2","7","2","3","9","7","1") = "8"
    & skf18("2","7","2","3","9","8","1") = "8"
    & skf18("2","7","2","3","9","9","1") = "8"
    & skf18("2","7","2","3","9","10","1") = "9"
    & skf18("2","7","2","3","10","1","1") = "9"
    & skf18("2","7","2","3","10","2","1") = "9"
    & skf18("2","7","2","3","10","3","1") = "9"
    & skf18("2","7","2","3","10","4","1") = "9"
    & skf18("2","7","2","3","10","5","1") = "9"
    & skf18("2","7","2","3","10","6","1") = "9"
    & skf18("2","7","2","3","10","7","1") = "9"
    & skf18("2","7","2","3","10","8","1") = "9"
    & skf18("2","7","2","3","10","9","1") = "9"
    & skf18("2","7","2","3","10","10","1") = "9"
    & skf18("2","7","2","4","1","1","1") = "6"
    & skf18("2","7","2","4","1","2","1") = "6"
    & skf18("2","7","2","4","1","3","1") = "6"
    & skf18("2","7","2","4","1","4","1") = "6"
    & skf18("2","7","2","4","1","5","1") = "6"
    & skf18("2","7","2","4","1","6","1") = "6"
    & skf18("2","7","2","4","1","7","1") = "6"
    & skf18("2","7","2","4","1","8","1") = "7"
    & skf18("2","7","2","4","1","9","1") = "8"
    & skf18("2","7","2","4","1","10","1") = "9"
    & skf18("2","7","2","4","2","1","1") = "6"
    & skf18("2","7","2","4","2","2","1") = "6"
    & skf18("2","7","2","4","2","3","1") = "6"
    & skf18("2","7","2","4","2","4","1") = "6"
    & skf18("2","7","2","4","2","5","1") = "6"
    & skf18("2","7","2","4","2","6","1") = "6"
    & skf18("2","7","2","4","2","7","1") = "6"
    & skf18("2","7","2","4","2","8","1") = "7"
    & skf18("2","7","2","4","2","9","1") = "8"
    & skf18("2","7","2","4","2","10","1") = "9"
    & skf18("2","7","2","4","3","1","1") = "6"
    & skf18("2","7","2","4","3","2","1") = "6"
    & skf18("2","7","2","4","3","3","1") = "6"
    & skf18("2","7","2","4","3","4","1") = "6"
    & skf18("2","7","2","4","3","5","1") = "6"
    & skf18("2","7","2","4","3","6","1") = "6"
    & skf18("2","7","2","4","3","7","1") = "6"
    & skf18("2","7","2","4","3","8","1") = "7"
    & skf18("2","7","2","4","3","9","1") = "8"
    & skf18("2","7","2","4","3","10","1") = "9"
    & skf18("2","7","2","4","4","1","1") = "6"
    & skf18("2","7","2","4","4","2","1") = "6"
    & skf18("2","7","2","4","4","3","1") = "6"
    & skf18("2","7","2","4","4","4","1") = "6"
    & skf18("2","7","2","4","4","5","1") = "6"
    & skf18("2","7","2","4","4","6","1") = "6"
    & skf18("2","7","2","4","4","7","1") = "6"
    & skf18("2","7","2","4","4","8","1") = "7"
    & skf18("2","7","2","4","4","9","1") = "8"
    & skf18("2","7","2","4","4","10","1") = "9"
    & skf18("2","7","2","4","5","1","1") = "6"
    & skf18("2","7","2","4","5","2","1") = "6"
    & skf18("2","7","2","4","5","3","1") = "6"
    & skf18("2","7","2","4","5","4","1") = "6"
    & skf18("2","7","2","4","5","5","1") = "6"
    & skf18("2","7","2","4","5","6","1") = "6"
    & skf18("2","7","2","4","5","7","1") = "6"
    & skf18("2","7","2","4","5","8","1") = "7"
    & skf18("2","7","2","4","5","9","1") = "8"
    & skf18("2","7","2","4","5","10","1") = "9"
    & skf18("2","7","2","4","6","1","1") = "6"
    & skf18("2","7","2","4","6","2","1") = "6"
    & skf18("2","7","2","4","6","3","1") = "6"
    & skf18("2","7","2","4","6","4","1") = "6"
    & skf18("2","7","2","4","6","5","1") = "6"
    & skf18("2","7","2","4","6","6","1") = "6"
    & skf18("2","7","2","4","6","7","1") = "6"
    & skf18("2","7","2","4","6","8","1") = "7"
    & skf18("2","7","2","4","6","9","1") = "8"
    & skf18("2","7","2","4","6","10","1") = "9"
    & skf18("2","7","2","4","7","1","1") = "6"
    & skf18("2","7","2","4","7","2","1") = "6"
    & skf18("2","7","2","4","7","3","1") = "6"
    & skf18("2","7","2","4","7","4","1") = "6"
    & skf18("2","7","2","4","7","5","1") = "6"
    & skf18("2","7","2","4","7","6","1") = "6"
    & skf18("2","7","2","4","7","7","1") = "6"
    & skf18("2","7","2","4","7","8","1") = "7"
    & skf18("2","7","2","4","7","9","1") = "8"
    & skf18("2","7","2","4","7","10","1") = "9"
    & skf18("2","7","2","4","8","1","1") = "7"
    & skf18("2","7","2","4","8","2","1") = "7"
    & skf18("2","7","2","4","8","3","1") = "7"
    & skf18("2","7","2","4","8","4","1") = "7"
    & skf18("2","7","2","4","8","5","1") = "7"
    & skf18("2","7","2","4","8","6","1") = "7"
    & skf18("2","7","2","4","8","7","1") = "7"
    & skf18("2","7","2","4","8","8","1") = "7"
    & skf18("2","7","2","4","8","9","1") = "8"
    & skf18("2","7","2","4","8","10","1") = "9"
    & skf18("2","7","2","4","9","1","1") = "8"
    & skf18("2","7","2","4","9","2","1") = "8"
    & skf18("2","7","2","4","9","3","1") = "8"
    & skf18("2","7","2","4","9","4","1") = "8"
    & skf18("2","7","2","4","9","5","1") = "8"
    & skf18("2","7","2","4","9","6","1") = "8"
    & skf18("2","7","2","4","9","7","1") = "8"
    & skf18("2","7","2","4","9","8","1") = "8"
    & skf18("2","7","2","4","9","9","1") = "8"
    & skf18("2","7","2","4","9","10","1") = "9"
    & skf18("2","7","2","4","10","1","1") = "9"
    & skf18("2","7","2","4","10","2","1") = "9"
    & skf18("2","7","2","4","10","3","1") = "9"
    & skf18("2","7","2","4","10","4","1") = "9"
    & skf18("2","7","2","4","10","5","1") = "9"
    & skf18("2","7","2","4","10","6","1") = "9"
    & skf18("2","7","2","4","10","7","1") = "9"
    & skf18("2","7","2","4","10","8","1") = "9"
    & skf18("2","7","2","4","10","9","1") = "9"
    & skf18("2","7","2","4","10","10","1") = "9"
    & skf18("2","7","2","5","1","1","1") = "6"
    & skf18("2","7","2","5","1","2","1") = "6"
    & skf18("2","7","2","5","1","3","1") = "6"
    & skf18("2","7","2","5","1","4","1") = "6"
    & skf18("2","7","2","5","1","5","1") = "6"
    & skf18("2","7","2","5","1","6","1") = "6"
    & skf18("2","7","2","5","1","7","1") = "6"
    & skf18("2","7","2","5","1","8","1") = "7"
    & skf18("2","7","2","5","1","9","1") = "8"
    & skf18("2","7","2","5","1","10","1") = "9"
    & skf18("2","7","2","5","2","1","1") = "6"
    & skf18("2","7","2","5","2","2","1") = "6"
    & skf18("2","7","2","5","2","3","1") = "6"
    & skf18("2","7","2","5","2","4","1") = "6"
    & skf18("2","7","2","5","2","5","1") = "6"
    & skf18("2","7","2","5","2","6","1") = "6"
    & skf18("2","7","2","5","2","7","1") = "6"
    & skf18("2","7","2","5","2","8","1") = "7"
    & skf18("2","7","2","5","2","9","1") = "8"
    & skf18("2","7","2","5","2","10","1") = "9"
    & skf18("2","7","2","5","3","1","1") = "6"
    & skf18("2","7","2","5","3","2","1") = "6"
    & skf18("2","7","2","5","3","3","1") = "6"
    & skf18("2","7","2","5","3","4","1") = "6"
    & skf18("2","7","2","5","3","5","1") = "6"
    & skf18("2","7","2","5","3","6","1") = "6"
    & skf18("2","7","2","5","3","7","1") = "6"
    & skf18("2","7","2","5","3","8","1") = "7"
    & skf18("2","7","2","5","3","9","1") = "8"
    & skf18("2","7","2","5","3","10","1") = "9"
    & skf18("2","7","2","5","4","1","1") = "6"
    & skf18("2","7","2","5","4","2","1") = "6"
    & skf18("2","7","2","5","4","3","1") = "6"
    & skf18("2","7","2","5","4","4","1") = "6"
    & skf18("2","7","2","5","4","5","1") = "6"
    & skf18("2","7","2","5","4","6","1") = "6"
    & skf18("2","7","2","5","4","7","1") = "6"
    & skf18("2","7","2","5","4","8","1") = "7"
    & skf18("2","7","2","5","4","9","1") = "8"
    & skf18("2","7","2","5","4","10","1") = "9"
    & skf18("2","7","2","5","5","1","1") = "6"
    & skf18("2","7","2","5","5","2","1") = "6"
    & skf18("2","7","2","5","5","3","1") = "6"
    & skf18("2","7","2","5","5","4","1") = "6"
    & skf18("2","7","2","5","5","5","1") = "6"
    & skf18("2","7","2","5","5","6","1") = "6"
    & skf18("2","7","2","5","5","7","1") = "6"
    & skf18("2","7","2","5","5","8","1") = "7"
    & skf18("2","7","2","5","5","9","1") = "8"
    & skf18("2","7","2","5","5","10","1") = "9"
    & skf18("2","7","2","5","6","1","1") = "6"
    & skf18("2","7","2","5","6","2","1") = "6"
    & skf18("2","7","2","5","6","3","1") = "6"
    & skf18("2","7","2","5","6","4","1") = "6"
    & skf18("2","7","2","5","6","5","1") = "6"
    & skf18("2","7","2","5","6","6","1") = "6"
    & skf18("2","7","2","5","6","7","1") = "6"
    & skf18("2","7","2","5","6","8","1") = "7"
    & skf18("2","7","2","5","6","9","1") = "8"
    & skf18("2","7","2","5","6","10","1") = "9"
    & skf18("2","7","2","5","7","1","1") = "6"
    & skf18("2","7","2","5","7","2","1") = "6"
    & skf18("2","7","2","5","7","3","1") = "6"
    & skf18("2","7","2","5","7","4","1") = "6"
    & skf18("2","7","2","5","7","5","1") = "6"
    & skf18("2","7","2","5","7","6","1") = "6"
    & skf18("2","7","2","5","7","7","1") = "6"
    & skf18("2","7","2","5","7","8","1") = "7"
    & skf18("2","7","2","5","7","9","1") = "8"
    & skf18("2","7","2","5","7","10","1") = "9"
    & skf18("2","7","2","5","8","1","1") = "7"
    & skf18("2","7","2","5","8","2","1") = "7"
    & skf18("2","7","2","5","8","3","1") = "7"
    & skf18("2","7","2","5","8","4","1") = "7"
    & skf18("2","7","2","5","8","5","1") = "7"
    & skf18("2","7","2","5","8","6","1") = "7"
    & skf18("2","7","2","5","8","7","1") = "7"
    & skf18("2","7","2","5","8","8","1") = "7"
    & skf18("2","7","2","5","8","9","1") = "8"
    & skf18("2","7","2","5","8","10","1") = "9"
    & skf18("2","7","2","5","9","1","1") = "8"
    & skf18("2","7","2","5","9","2","1") = "8"
    & skf18("2","7","2","5","9","3","1") = "8"
    & skf18("2","7","2","5","9","4","1") = "8"
    & skf18("2","7","2","5","9","5","1") = "8"
    & skf18("2","7","2","5","9","6","1") = "8"
    & skf18("2","7","2","5","9","7","1") = "8"
    & skf18("2","7","2","5","9","8","1") = "8"
    & skf18("2","7","2","5","9","9","1") = "8"
    & skf18("2","7","2","5","9","10","1") = "9"
    & skf18("2","7","2","5","10","1","1") = "9"
    & skf18("2","7","2","5","10","2","1") = "9"
    & skf18("2","7","2","5","10","3","1") = "9"
    & skf18("2","7","2","5","10","4","1") = "9"
    & skf18("2","7","2","5","10","5","1") = "9"
    & skf18("2","7","2","5","10","6","1") = "9"
    & skf18("2","7","2","5","10","7","1") = "9"
    & skf18("2","7","2","5","10","8","1") = "9"
    & skf18("2","7","2","5","10","9","1") = "9"
    & skf18("2","7","2","5","10","10","1") = "9"
    & skf18("2","7","2","6","1","1","1") = "6"
    & skf18("2","7","2","6","1","2","1") = "6"
    & skf18("2","7","2","6","1","3","1") = "6"
    & skf18("2","7","2","6","1","4","1") = "6"
    & skf18("2","7","2","6","1","5","1") = "6"
    & skf18("2","7","2","6","1","6","1") = "6"
    & skf18("2","7","2","6","1","7","1") = "6"
    & skf18("2","7","2","6","1","8","1") = "7"
    & skf18("2","7","2","6","1","9","1") = "8"
    & skf18("2","7","2","6","1","10","1") = "9"
    & skf18("2","7","2","6","2","1","1") = "6"
    & skf18("2","7","2","6","2","2","1") = "6"
    & skf18("2","7","2","6","2","3","1") = "6"
    & skf18("2","7","2","6","2","4","1") = "6"
    & skf18("2","7","2","6","2","5","1") = "6"
    & skf18("2","7","2","6","2","6","1") = "6"
    & skf18("2","7","2","6","2","7","1") = "6"
    & skf18("2","7","2","6","2","8","1") = "7"
    & skf18("2","7","2","6","2","9","1") = "8"
    & skf18("2","7","2","6","2","10","1") = "9"
    & skf18("2","7","2","6","3","1","1") = "6"
    & skf18("2","7","2","6","3","2","1") = "6"
    & skf18("2","7","2","6","3","3","1") = "6"
    & skf18("2","7","2","6","3","4","1") = "6"
    & skf18("2","7","2","6","3","5","1") = "6"
    & skf18("2","7","2","6","3","6","1") = "6"
    & skf18("2","7","2","6","3","7","1") = "6"
    & skf18("2","7","2","6","3","8","1") = "7"
    & skf18("2","7","2","6","3","9","1") = "8"
    & skf18("2","7","2","6","3","10","1") = "9"
    & skf18("2","7","2","6","4","1","1") = "6"
    & skf18("2","7","2","6","4","2","1") = "6"
    & skf18("2","7","2","6","4","3","1") = "6"
    & skf18("2","7","2","6","4","4","1") = "6"
    & skf18("2","7","2","6","4","5","1") = "6"
    & skf18("2","7","2","6","4","6","1") = "6"
    & skf18("2","7","2","6","4","7","1") = "6"
    & skf18("2","7","2","6","4","8","1") = "7"
    & skf18("2","7","2","6","4","9","1") = "8"
    & skf18("2","7","2","6","4","10","1") = "9"
    & skf18("2","7","2","6","5","1","1") = "6"
    & skf18("2","7","2","6","5","2","1") = "6"
    & skf18("2","7","2","6","5","3","1") = "6"
    & skf18("2","7","2","6","5","4","1") = "6"
    & skf18("2","7","2","6","5","5","1") = "6"
    & skf18("2","7","2","6","5","6","1") = "6"
    & skf18("2","7","2","6","5","7","1") = "6"
    & skf18("2","7","2","6","5","8","1") = "7"
    & skf18("2","7","2","6","5","9","1") = "8"
    & skf18("2","7","2","6","5","10","1") = "9"
    & skf18("2","7","2","6","6","1","1") = "6"
    & skf18("2","7","2","6","6","2","1") = "6"
    & skf18("2","7","2","6","6","3","1") = "6"
    & skf18("2","7","2","6","6","4","1") = "6"
    & skf18("2","7","2","6","6","5","1") = "6"
    & skf18("2","7","2","6","6","6","1") = "6"
    & skf18("2","7","2","6","6","7","1") = "6"
    & skf18("2","7","2","6","6","8","1") = "7"
    & skf18("2","7","2","6","6","9","1") = "8"
    & skf18("2","7","2","6","6","10","1") = "9"
    & skf18("2","7","2","6","7","1","1") = "6"
    & skf18("2","7","2","6","7","2","1") = "6"
    & skf18("2","7","2","6","7","3","1") = "6"
    & skf18("2","7","2","6","7","4","1") = "6"
    & skf18("2","7","2","6","7","5","1") = "6"
    & skf18("2","7","2","6","7","6","1") = "6"
    & skf18("2","7","2","6","7","7","1") = "6"
    & skf18("2","7","2","6","7","8","1") = "7"
    & skf18("2","7","2","6","7","9","1") = "8"
    & skf18("2","7","2","6","7","10","1") = "9"
    & skf18("2","7","2","6","8","1","1") = "7"
    & skf18("2","7","2","6","8","2","1") = "7"
    & skf18("2","7","2","6","8","3","1") = "7"
    & skf18("2","7","2","6","8","4","1") = "7"
    & skf18("2","7","2","6","8","5","1") = "7"
    & skf18("2","7","2","6","8","6","1") = "7"
    & skf18("2","7","2","6","8","7","1") = "7"
    & skf18("2","7","2","6","8","8","1") = "7"
    & skf18("2","7","2","6","8","9","1") = "8"
    & skf18("2","7","2","6","8","10","1") = "9"
    & skf18("2","7","2","6","9","1","1") = "8"
    & skf18("2","7","2","6","9","2","1") = "8"
    & skf18("2","7","2","6","9","3","1") = "8"
    & skf18("2","7","2","6","9","4","1") = "8"
    & skf18("2","7","2","6","9","5","1") = "8"
    & skf18("2","7","2","6","9","6","1") = "8"
    & skf18("2","7","2","6","9","7","1") = "8"
    & skf18("2","7","2","6","9","8","1") = "8"
    & skf18("2","7","2","6","9","9","1") = "8"
    & skf18("2","7","2","6","9","10","1") = "9"
    & skf18("2","7","2","6","10","1","1") = "9"
    & skf18("2","7","2","6","10","2","1") = "9"
    & skf18("2","7","2","6","10","3","1") = "9"
    & skf18("2","7","2","6","10","4","1") = "9"
    & skf18("2","7","2","6","10","5","1") = "9"
    & skf18("2","7","2","6","10","6","1") = "9"
    & skf18("2","7","2","6","10","7","1") = "9"
    & skf18("2","7","2","6","10","8","1") = "9"
    & skf18("2","7","2","6","10","9","1") = "9"
    & skf18("2","7","2","6","10","10","1") = "9"
    & skf18("2","7","2","7","1","1","1") = "6"
    & skf18("2","7","2","7","1","2","1") = "6"
    & skf18("2","7","2","7","1","3","1") = "6"
    & skf18("2","7","2","7","1","4","1") = "6"
    & skf18("2","7","2","7","1","5","1") = "6"
    & skf18("2","7","2","7","1","6","1") = "6"
    & skf18("2","7","2","7","1","7","1") = "6"
    & skf18("2","7","2","7","1","8","1") = "7"
    & skf18("2","7","2","7","1","9","1") = "8"
    & skf18("2","7","2","7","1","10","1") = "9"
    & skf18("2","7","2","7","2","1","1") = "6"
    & skf18("2","7","2","7","2","2","1") = "6"
    & skf18("2","7","2","7","2","3","1") = "6"
    & skf18("2","7","2","7","2","4","1") = "6"
    & skf18("2","7","2","7","2","5","1") = "6"
    & skf18("2","7","2","7","2","6","1") = "6"
    & skf18("2","7","2","7","2","7","1") = "6"
    & skf18("2","7","2","7","2","8","1") = "7"
    & skf18("2","7","2","7","2","9","1") = "8"
    & skf18("2","7","2","7","2","10","1") = "9"
    & skf18("2","7","2","7","3","1","1") = "6"
    & skf18("2","7","2","7","3","2","1") = "6"
    & skf18("2","7","2","7","3","3","1") = "6"
    & skf18("2","7","2","7","3","4","1") = "6"
    & skf18("2","7","2","7","3","5","1") = "6"
    & skf18("2","7","2","7","3","6","1") = "6"
    & skf18("2","7","2","7","3","7","1") = "6"
    & skf18("2","7","2","7","3","8","1") = "7"
    & skf18("2","7","2","7","3","9","1") = "8"
    & skf18("2","7","2","7","3","10","1") = "9"
    & skf18("2","7","2","7","4","1","1") = "6"
    & skf18("2","7","2","7","4","2","1") = "6"
    & skf18("2","7","2","7","4","3","1") = "6"
    & skf18("2","7","2","7","4","4","1") = "6"
    & skf18("2","7","2","7","4","5","1") = "6"
    & skf18("2","7","2","7","4","6","1") = "6"
    & skf18("2","7","2","7","4","7","1") = "6"
    & skf18("2","7","2","7","4","8","1") = "7"
    & skf18("2","7","2","7","4","9","1") = "8"
    & skf18("2","7","2","7","4","10","1") = "9"
    & skf18("2","7","2","7","5","1","1") = "6"
    & skf18("2","7","2","7","5","2","1") = "6"
    & skf18("2","7","2","7","5","3","1") = "6"
    & skf18("2","7","2","7","5","4","1") = "6"
    & skf18("2","7","2","7","5","5","1") = "6"
    & skf18("2","7","2","7","5","6","1") = "6"
    & skf18("2","7","2","7","5","7","1") = "6"
    & skf18("2","7","2","7","5","8","1") = "7"
    & skf18("2","7","2","7","5","9","1") = "8"
    & skf18("2","7","2","7","5","10","1") = "9"
    & skf18("2","7","2","7","6","1","1") = "6"
    & skf18("2","7","2","7","6","2","1") = "6"
    & skf18("2","7","2","7","6","3","1") = "6"
    & skf18("2","7","2","7","6","4","1") = "6"
    & skf18("2","7","2","7","6","5","1") = "6"
    & skf18("2","7","2","7","6","6","1") = "6"
    & skf18("2","7","2","7","6","7","1") = "6"
    & skf18("2","7","2","7","6","8","1") = "7"
    & skf18("2","7","2","7","6","9","1") = "8"
    & skf18("2","7","2","7","6","10","1") = "9"
    & skf18("2","7","2","7","7","1","1") = "6"
    & skf18("2","7","2","7","7","2","1") = "6"
    & skf18("2","7","2","7","7","3","1") = "6"
    & skf18("2","7","2","7","7","4","1") = "6"
    & skf18("2","7","2","7","7","5","1") = "6"
    & skf18("2","7","2","7","7","6","1") = "6"
    & skf18("2","7","2","7","7","7","1") = "6"
    & skf18("2","7","2","7","7","8","1") = "7"
    & skf18("2","7","2","7","7","9","1") = "8"
    & skf18("2","7","2","7","7","10","1") = "9"
    & skf18("2","7","2","7","8","1","1") = "7"
    & skf18("2","7","2","7","8","2","1") = "7"
    & skf18("2","7","2","7","8","3","1") = "7"
    & skf18("2","7","2","7","8","4","1") = "7"
    & skf18("2","7","2","7","8","5","1") = "7"
    & skf18("2","7","2","7","8","6","1") = "7"
    & skf18("2","7","2","7","8","7","1") = "7"
    & skf18("2","7","2","7","8","8","1") = "7"
    & skf18("2","7","2","7","8","9","1") = "8"
    & skf18("2","7","2","7","8","10","1") = "9"
    & skf18("2","7","2","7","9","1","1") = "8"
    & skf18("2","7","2","7","9","2","1") = "8"
    & skf18("2","7","2","7","9","3","1") = "8"
    & skf18("2","7","2","7","9","4","1") = "8"
    & skf18("2","7","2","7","9","5","1") = "8"
    & skf18("2","7","2","7","9","6","1") = "8"
    & skf18("2","7","2","7","9","7","1") = "8"
    & skf18("2","7","2","7","9","8","1") = "8"
    & skf18("2","7","2","7","9","9","1") = "8"
    & skf18("2","7","2","7","9","10","1") = "9"
    & skf18("2","7","2","7","10","1","1") = "9"
    & skf18("2","7","2","7","10","2","1") = "9"
    & skf18("2","7","2","7","10","3","1") = "9"
    & skf18("2","7","2","7","10","4","1") = "9"
    & skf18("2","7","2","7","10","5","1") = "9"
    & skf18("2","7","2","7","10","6","1") = "9"
    & skf18("2","7","2","7","10","7","1") = "9"
    & skf18("2","7","2","7","10","8","1") = "9"
    & skf18("2","7","2","7","10","9","1") = "9"
    & skf18("2","7","2","7","10","10","1") = "9"
    & skf18("2","7","2","8","1","1","1") = "7"
    & skf18("2","7","2","8","1","2","1") = "7"
    & skf18("2","7","2","8","1","3","1") = "7"
    & skf18("2","7","2","8","1","4","1") = "7"
    & skf18("2","7","2","8","1","5","1") = "7"
    & skf18("2","7","2","8","1","6","1") = "7"
    & skf18("2","7","2","8","1","7","1") = "7"
    & skf18("2","7","2","8","1","8","1") = "7"
    & skf18("2","7","2","8","1","9","1") = "8"
    & skf18("2","7","2","8","1","10","1") = "9"
    & skf18("2","7","2","8","2","1","1") = "7"
    & skf18("2","7","2","8","2","2","1") = "7"
    & skf18("2","7","2","8","2","3","1") = "7"
    & skf18("2","7","2","8","2","4","1") = "7"
    & skf18("2","7","2","8","2","5","1") = "7"
    & skf18("2","7","2","8","2","6","1") = "7"
    & skf18("2","7","2","8","2","7","1") = "7"
    & skf18("2","7","2","8","2","8","1") = "7"
    & skf18("2","7","2","8","2","9","1") = "8"
    & skf18("2","7","2","8","2","10","1") = "9"
    & skf18("2","7","2","8","3","1","1") = "7"
    & skf18("2","7","2","8","3","2","1") = "7"
    & skf18("2","7","2","8","3","3","1") = "7"
    & skf18("2","7","2","8","3","4","1") = "7"
    & skf18("2","7","2","8","3","5","1") = "7"
    & skf18("2","7","2","8","3","6","1") = "7"
    & skf18("2","7","2","8","3","7","1") = "7"
    & skf18("2","7","2","8","3","8","1") = "7"
    & skf18("2","7","2","8","3","9","1") = "8"
    & skf18("2","7","2","8","3","10","1") = "9"
    & skf18("2","7","2","8","4","1","1") = "7"
    & skf18("2","7","2","8","4","2","1") = "7"
    & skf18("2","7","2","8","4","3","1") = "7"
    & skf18("2","7","2","8","4","4","1") = "7"
    & skf18("2","7","2","8","4","5","1") = "7"
    & skf18("2","7","2","8","4","6","1") = "7"
    & skf18("2","7","2","8","4","7","1") = "7"
    & skf18("2","7","2","8","4","8","1") = "7"
    & skf18("2","7","2","8","4","9","1") = "8"
    & skf18("2","7","2","8","4","10","1") = "9"
    & skf18("2","7","2","8","5","1","1") = "7"
    & skf18("2","7","2","8","5","2","1") = "7"
    & skf18("2","7","2","8","5","3","1") = "7"
    & skf18("2","7","2","8","5","4","1") = "7"
    & skf18("2","7","2","8","5","5","1") = "7"
    & skf18("2","7","2","8","5","6","1") = "7"
    & skf18("2","7","2","8","5","7","1") = "7"
    & skf18("2","7","2","8","5","8","1") = "7"
    & skf18("2","7","2","8","5","9","1") = "8"
    & skf18("2","7","2","8","5","10","1") = "9"
    & skf18("2","7","2","8","6","1","1") = "7"
    & skf18("2","7","2","8","6","2","1") = "7"
    & skf18("2","7","2","8","6","3","1") = "7"
    & skf18("2","7","2","8","6","4","1") = "7"
    & skf18("2","7","2","8","6","5","1") = "7"
    & skf18("2","7","2","8","6","6","1") = "7"
    & skf18("2","7","2","8","6","7","1") = "7"
    & skf18("2","7","2","8","6","8","1") = "7"
    & skf18("2","7","2","8","6","9","1") = "8"
    & skf18("2","7","2","8","6","10","1") = "9"
    & skf18("2","7","2","8","7","1","1") = "7"
    & skf18("2","7","2","8","7","2","1") = "7"
    & skf18("2","7","2","8","7","3","1") = "7"
    & skf18("2","7","2","8","7","4","1") = "7"
    & skf18("2","7","2","8","7","5","1") = "7"
    & skf18("2","7","2","8","7","6","1") = "7"
    & skf18("2","7","2","8","7","7","1") = "7"
    & skf18("2","7","2","8","7","8","1") = "7"
    & skf18("2","7","2","8","7","9","1") = "8"
    & skf18("2","7","2","8","7","10","1") = "9"
    & skf18("2","7","2","8","8","1","1") = "7"
    & skf18("2","7","2","8","8","2","1") = "7"
    & skf18("2","7","2","8","8","3","1") = "7"
    & skf18("2","7","2","8","8","4","1") = "7"
    & skf18("2","7","2","8","8","5","1") = "7"
    & skf18("2","7","2","8","8","6","1") = "7"
    & skf18("2","7","2","8","8","7","1") = "7"
    & skf18("2","7","2","8","8","8","1") = "7"
    & skf18("2","7","2","8","8","9","1") = "8"
    & skf18("2","7","2","8","8","10","1") = "9"
    & skf18("2","7","2","8","9","1","1") = "8"
    & skf18("2","7","2","8","9","2","1") = "8"
    & skf18("2","7","2","8","9","3","1") = "8"
    & skf18("2","7","2","8","9","4","1") = "8"
    & skf18("2","7","2","8","9","5","1") = "8"
    & skf18("2","7","2","8","9","6","1") = "8"
    & skf18("2","7","2","8","9","7","1") = "8"
    & skf18("2","7","2","8","9","8","1") = "8"
    & skf18("2","7","2","8","9","9","1") = "8"
    & skf18("2","7","2","8","9","10","1") = "9"
    & skf18("2","7","2","8","10","1","1") = "9"
    & skf18("2","7","2","8","10","2","1") = "9"
    & skf18("2","7","2","8","10","3","1") = "9"
    & skf18("2","7","2","8","10","4","1") = "9"
    & skf18("2","7","2","8","10","5","1") = "9"
    & skf18("2","7","2","8","10","6","1") = "9"
    & skf18("2","7","2","8","10","7","1") = "9"
    & skf18("2","7","2","8","10","8","1") = "9"
    & skf18("2","7","2","8","10","9","1") = "9"
    & skf18("2","7","2","8","10","10","1") = "9"
    & skf18("2","7","2","9","1","1","1") = "8"
    & skf18("2","7","2","9","1","2","1") = "8"
    & skf18("2","7","2","9","1","3","1") = "8"
    & skf18("2","7","2","9","1","4","1") = "8"
    & skf18("2","7","2","9","1","5","1") = "8"
    & skf18("2","7","2","9","1","6","1") = "8"
    & skf18("2","7","2","9","1","7","1") = "8"
    & skf18("2","7","2","9","1","8","1") = "8"
    & skf18("2","7","2","9","1","9","1") = "8"
    & skf18("2","7","2","9","1","10","1") = "9"
    & skf18("2","7","2","9","2","1","1") = "8"
    & skf18("2","7","2","9","2","2","1") = "8"
    & skf18("2","7","2","9","2","3","1") = "8"
    & skf18("2","7","2","9","2","4","1") = "8"
    & skf18("2","7","2","9","2","5","1") = "8"
    & skf18("2","7","2","9","2","6","1") = "8"
    & skf18("2","7","2","9","2","7","1") = "8"
    & skf18("2","7","2","9","2","8","1") = "8"
    & skf18("2","7","2","9","2","9","1") = "8"
    & skf18("2","7","2","9","2","10","1") = "9"
    & skf18("2","7","2","9","3","1","1") = "8"
    & skf18("2","7","2","9","3","2","1") = "8"
    & skf18("2","7","2","9","3","3","1") = "8"
    & skf18("2","7","2","9","3","4","1") = "8"
    & skf18("2","7","2","9","3","5","1") = "8"
    & skf18("2","7","2","9","3","6","1") = "8"
    & skf18("2","7","2","9","3","7","1") = "8"
    & skf18("2","7","2","9","3","8","1") = "8"
    & skf18("2","7","2","9","3","9","1") = "8"
    & skf18("2","7","2","9","3","10","1") = "9"
    & skf18("2","7","2","9","4","1","1") = "8"
    & skf18("2","7","2","9","4","2","1") = "8"
    & skf18("2","7","2","9","4","3","1") = "8"
    & skf18("2","7","2","9","4","4","1") = "8"
    & skf18("2","7","2","9","4","5","1") = "8"
    & skf18("2","7","2","9","4","6","1") = "8"
    & skf18("2","7","2","9","4","7","1") = "8"
    & skf18("2","7","2","9","4","8","1") = "8"
    & skf18("2","7","2","9","4","9","1") = "8"
    & skf18("2","7","2","9","4","10","1") = "9"
    & skf18("2","7","2","9","5","1","1") = "8"
    & skf18("2","7","2","9","5","2","1") = "8"
    & skf18("2","7","2","9","5","3","1") = "8"
    & skf18("2","7","2","9","5","4","1") = "8"
    & skf18("2","7","2","9","5","5","1") = "8"
    & skf18("2","7","2","9","5","6","1") = "8"
    & skf18("2","7","2","9","5","7","1") = "8"
    & skf18("2","7","2","9","5","8","1") = "8"
    & skf18("2","7","2","9","5","9","1") = "8"
    & skf18("2","7","2","9","5","10","1") = "9"
    & skf18("2","7","2","9","6","1","1") = "8"
    & skf18("2","7","2","9","6","2","1") = "8"
    & skf18("2","7","2","9","6","3","1") = "8"
    & skf18("2","7","2","9","6","4","1") = "8"
    & skf18("2","7","2","9","6","5","1") = "8"
    & skf18("2","7","2","9","6","6","1") = "8"
    & skf18("2","7","2","9","6","7","1") = "8"
    & skf18("2","7","2","9","6","8","1") = "8"
    & skf18("2","7","2","9","6","9","1") = "8"
    & skf18("2","7","2","9","6","10","1") = "9"
    & skf18("2","7","2","9","7","1","1") = "8"
    & skf18("2","7","2","9","7","2","1") = "8"
    & skf18("2","7","2","9","7","3","1") = "8"
    & skf18("2","7","2","9","7","4","1") = "8"
    & skf18("2","7","2","9","7","5","1") = "8"
    & skf18("2","7","2","9","7","6","1") = "8"
    & skf18("2","7","2","9","7","7","1") = "8"
    & skf18("2","7","2","9","7","8","1") = "8"
    & skf18("2","7","2","9","7","9","1") = "8"
    & skf18("2","7","2","9","7","10","1") = "9"
    & skf18("2","7","2","9","8","1","1") = "8"
    & skf18("2","7","2","9","8","2","1") = "8"
    & skf18("2","7","2","9","8","3","1") = "8"
    & skf18("2","7","2","9","8","4","1") = "8"
    & skf18("2","7","2","9","8","5","1") = "8"
    & skf18("2","7","2","9","8","6","1") = "8"
    & skf18("2","7","2","9","8","7","1") = "8"
    & skf18("2","7","2","9","8","8","1") = "8"
    & skf18("2","7","2","9","8","9","1") = "8"
    & skf18("2","7","2","9","8","10","1") = "9"
    & skf18("2","7","2","9","9","1","1") = "8"
    & skf18("2","7","2","9","9","2","1") = "8"
    & skf18("2","7","2","9","9","3","1") = "8"
    & skf18("2","7","2","9","9","4","1") = "8"
    & skf18("2","7","2","9","9","5","1") = "8"
    & skf18("2","7","2","9","9","6","1") = "8"
    & skf18("2","7","2","9","9","7","1") = "8"
    & skf18("2","7","2","9","9","8","1") = "8"
    & skf18("2","7","2","9","9","9","1") = "8"
    & skf18("2","7","2","9","9","10","1") = "9"
    & skf18("2","7","2","9","10","1","1") = "9"
    & skf18("2","7","2","9","10","2","1") = "9"
    & skf18("2","7","2","9","10","3","1") = "9"
    & skf18("2","7","2","9","10","4","1") = "9"
    & skf18("2","7","2","9","10","5","1") = "9"
    & skf18("2","7","2","9","10","6","1") = "9"
    & skf18("2","7","2","9","10","7","1") = "9"
    & skf18("2","7","2","9","10","8","1") = "9"
    & skf18("2","7","2","9","10","9","1") = "9"
    & skf18("2","7","2","9","10","10","1") = "9"
    & skf18("2","7","2","10","1","1","1") = "9"
    & skf18("2","7","2","10","1","2","1") = "9"
    & skf18("2","7","2","10","1","3","1") = "9"
    & skf18("2","7","2","10","1","4","1") = "9"
    & skf18("2","7","2","10","1","5","1") = "9"
    & skf18("2","7","2","10","1","6","1") = "9"
    & skf18("2","7","2","10","1","7","1") = "9"
    & skf18("2","7","2","10","1","8","1") = "9"
    & skf18("2","7","2","10","1","9","1") = "9"
    & skf18("2","7","2","10","1","10","1") = "9"
    & skf18("2","7","2","10","2","1","1") = "9"
    & skf18("2","7","2","10","2","2","1") = "9"
    & skf18("2","7","2","10","2","3","1") = "9"
    & skf18("2","7","2","10","2","4","1") = "9"
    & skf18("2","7","2","10","2","5","1") = "9"
    & skf18("2","7","2","10","2","6","1") = "9"
    & skf18("2","7","2","10","2","7","1") = "9"
    & skf18("2","7","2","10","2","8","1") = "9"
    & skf18("2","7","2","10","2","9","1") = "9"
    & skf18("2","7","2","10","2","10","1") = "9"
    & skf18("2","7","2","10","3","1","1") = "9"
    & skf18("2","7","2","10","3","2","1") = "9"
    & skf18("2","7","2","10","3","3","1") = "9"
    & skf18("2","7","2","10","3","4","1") = "9"
    & skf18("2","7","2","10","3","5","1") = "9"
    & skf18("2","7","2","10","3","6","1") = "9"
    & skf18("2","7","2","10","3","7","1") = "9"
    & skf18("2","7","2","10","3","8","1") = "9"
    & skf18("2","7","2","10","3","9","1") = "9"
    & skf18("2","7","2","10","3","10","1") = "9"
    & skf18("2","7","2","10","4","1","1") = "9"
    & skf18("2","7","2","10","4","2","1") = "9"
    & skf18("2","7","2","10","4","3","1") = "9"
    & skf18("2","7","2","10","4","4","1") = "9"
    & skf18("2","7","2","10","4","5","1") = "9"
    & skf18("2","7","2","10","4","6","1") = "9"
    & skf18("2","7","2","10","4","7","1") = "9"
    & skf18("2","7","2","10","4","8","1") = "9"
    & skf18("2","7","2","10","4","9","1") = "9"
    & skf18("2","7","2","10","4","10","1") = "9"
    & skf18("2","7","2","10","5","1","1") = "9"
    & skf18("2","7","2","10","5","2","1") = "9"
    & skf18("2","7","2","10","5","3","1") = "9"
    & skf18("2","7","2","10","5","4","1") = "9"
    & skf18("2","7","2","10","5","5","1") = "9"
    & skf18("2","7","2","10","5","6","1") = "9"
    & skf18("2","7","2","10","5","7","1") = "9"
    & skf18("2","7","2","10","5","8","1") = "9"
    & skf18("2","7","2","10","5","9","1") = "9"
    & skf18("2","7","2","10","5","10","1") = "9"
    & skf18("2","7","2","10","6","1","1") = "9"
    & skf18("2","7","2","10","6","2","1") = "9"
    & skf18("2","7","2","10","6","3","1") = "9"
    & skf18("2","7","2","10","6","4","1") = "9"
    & skf18("2","7","2","10","6","5","1") = "9"
    & skf18("2","7","2","10","6","6","1") = "9"
    & skf18("2","7","2","10","6","7","1") = "9"
    & skf18("2","7","2","10","6","8","1") = "9"
    & skf18("2","7","2","10","6","9","1") = "9"
    & skf18("2","7","2","10","6","10","1") = "9"
    & skf18("2","7","2","10","7","1","1") = "9"
    & skf18("2","7","2","10","7","2","1") = "9"
    & skf18("2","7","2","10","7","3","1") = "9"
    & skf18("2","7","2","10","7","4","1") = "9"
    & skf18("2","7","2","10","7","5","1") = "9"
    & skf18("2","7","2","10","7","6","1") = "9"
    & skf18("2","7","2","10","7","7","1") = "9"
    & skf18("2","7","2","10","7","8","1") = "9"
    & skf18("2","7","2","10","7","9","1") = "9"
    & skf18("2","7","2","10","7","10","1") = "9"
    & skf18("2","7","2","10","8","1","1") = "9"
    & skf18("2","7","2","10","8","2","1") = "9"
    & skf18("2","7","2","10","8","3","1") = "9"
    & skf18("2","7","2","10","8","4","1") = "9"
    & skf18("2","7","2","10","8","5","1") = "9"
    & skf18("2","7","2","10","8","6","1") = "9"
    & skf18("2","7","2","10","8","7","1") = "9"
    & skf18("2","7","2","10","8","8","1") = "9"
    & skf18("2","7","2","10","8","9","1") = "9"
    & skf18("2","7","2","10","8","10","1") = "9"
    & skf18("2","7","2","10","9","1","1") = "9"
    & skf18("2","7","2","10","9","2","1") = "9"
    & skf18("2","7","2","10","9","3","1") = "9"
    & skf18("2","7","2","10","9","4","1") = "9"
    & skf18("2","7","2","10","9","5","1") = "9"
    & skf18("2","7","2","10","9","6","1") = "9"
    & skf18("2","7","2","10","9","7","1") = "9"
    & skf18("2","7","2","10","9","8","1") = "9"
    & skf18("2","7","2","10","9","9","1") = "9"
    & skf18("2","7","2","10","9","10","1") = "9"
    & skf18("2","7","2","10","10","1","1") = "9"
    & skf18("2","7","2","10","10","2","1") = "9"
    & skf18("2","7","2","10","10","3","1") = "9"
    & skf18("2","7","2","10","10","4","1") = "9"
    & skf18("2","7","2","10","10","5","1") = "9"
    & skf18("2","7","2","10","10","6","1") = "9"
    & skf18("2","7","2","10","10","7","1") = "9"
    & skf18("2","7","2","10","10","8","1") = "9"
    & skf18("2","7","2","10","10","9","1") = "9"
    & skf18("2","7","2","10","10","10","1") = "9"
    & skf18("2","7","3","1","1","1","1") = "6"
    & skf18("2","7","3","1","1","2","1") = "6"
    & skf18("2","7","3","1","1","3","1") = "6"
    & skf18("2","7","3","1","1","4","1") = "6"
    & skf18("2","7","3","1","1","5","1") = "6"
    & skf18("2","7","3","1","1","6","1") = "6"
    & skf18("2","7","3","1","1","7","1") = "6"
    & skf18("2","7","3","1","1","8","1") = "7"
    & skf18("2","7","3","1","1","9","1") = "8"
    & skf18("2","7","3","1","1","10","1") = "9"
    & skf18("2","7","3","1","2","1","1") = "6"
    & skf18("2","7","3","1","2","2","1") = "6"
    & skf18("2","7","3","1","2","3","1") = "6"
    & skf18("2","7","3","1","2","4","1") = "6"
    & skf18("2","7","3","1","2","5","1") = "6"
    & skf18("2","7","3","1","2","6","1") = "6"
    & skf18("2","7","3","1","2","7","1") = "6"
    & skf18("2","7","3","1","2","8","1") = "7"
    & skf18("2","7","3","1","2","9","1") = "8"
    & skf18("2","7","3","1","2","10","1") = "9"
    & skf18("2","7","3","1","3","1","1") = "6"
    & skf18("2","7","3","1","3","2","1") = "6"
    & skf18("2","7","3","1","3","3","1") = "6"
    & skf18("2","7","3","1","3","4","1") = "6"
    & skf18("2","7","3","1","3","5","1") = "6"
    & skf18("2","7","3","1","3","6","1") = "6"
    & skf18("2","7","3","1","3","7","1") = "6"
    & skf18("2","7","3","1","3","8","1") = "7"
    & skf18("2","7","3","1","3","9","1") = "8"
    & skf18("2","7","3","1","3","10","1") = "9"
    & skf18("2","7","3","1","4","1","1") = "6"
    & skf18("2","7","3","1","4","2","1") = "6"
    & skf18("2","7","3","1","4","3","1") = "6"
    & skf18("2","7","3","1","4","4","1") = "6"
    & skf18("2","7","3","1","4","5","1") = "6"
    & skf18("2","7","3","1","4","6","1") = "6"
    & skf18("2","7","3","1","4","7","1") = "6"
    & skf18("2","7","3","1","4","8","1") = "7"
    & skf18("2","7","3","1","4","9","1") = "8"
    & skf18("2","7","3","1","4","10","1") = "9"
    & skf18("2","7","3","1","5","1","1") = "6"
    & skf18("2","7","3","1","5","2","1") = "6"
    & skf18("2","7","3","1","5","3","1") = "6"
    & skf18("2","7","3","1","5","4","1") = "6"
    & skf18("2","7","3","1","5","5","1") = "6"
    & skf18("2","7","3","1","5","6","1") = "6"
    & skf18("2","7","3","1","5","7","1") = "6"
    & skf18("2","7","3","1","5","8","1") = "7"
    & skf18("2","7","3","1","5","9","1") = "8"
    & skf18("2","7","3","1","5","10","1") = "9"
    & skf18("2","7","3","1","6","1","1") = "6"
    & skf18("2","7","3","1","6","2","1") = "6"
    & skf18("2","7","3","1","6","3","1") = "6"
    & skf18("2","7","3","1","6","4","1") = "6"
    & skf18("2","7","3","1","6","5","1") = "6"
    & skf18("2","7","3","1","6","6","1") = "6"
    & skf18("2","7","3","1","6","7","1") = "6"
    & skf18("2","7","3","1","6","8","1") = "7"
    & skf18("2","7","3","1","6","9","1") = "8"
    & skf18("2","7","3","1","6","10","1") = "9"
    & skf18("2","7","3","1","7","1","1") = "6"
    & skf18("2","7","3","1","7","2","1") = "6"
    & skf18("2","7","3","1","7","3","1") = "6"
    & skf18("2","7","3","1","7","4","1") = "6"
    & skf18("2","7","3","1","7","5","1") = "6"
    & skf18("2","7","3","1","7","6","1") = "6"
    & skf18("2","7","3","1","7","7","1") = "6"
    & skf18("2","7","3","1","7","8","1") = "7"
    & skf18("2","7","3","1","7","9","1") = "8"
    & skf18("2","7","3","1","7","10","1") = "9"
    & skf18("2","7","3","1","8","1","1") = "7"
    & skf18("2","7","3","1","8","2","1") = "7"
    & skf18("2","7","3","1","8","3","1") = "7"
    & skf18("2","7","3","1","8","4","1") = "7"
    & skf18("2","7","3","1","8","5","1") = "7"
    & skf18("2","7","3","1","8","6","1") = "7"
    & skf18("2","7","3","1","8","7","1") = "7"
    & skf18("2","7","3","1","8","8","1") = "7"
    & skf18("2","7","3","1","8","9","1") = "8"
    & skf18("2","7","3","1","8","10","1") = "9"
    & skf18("2","7","3","1","9","1","1") = "8"
    & skf18("2","7","3","1","9","2","1") = "8"
    & skf18("2","7","3","1","9","3","1") = "8"
    & skf18("2","7","3","1","9","4","1") = "8"
    & skf18("2","7","3","1","9","5","1") = "8"
    & skf18("2","7","3","1","9","6","1") = "8"
    & skf18("2","7","3","1","9","7","1") = "8"
    & skf18("2","7","3","1","9","8","1") = "8"
    & skf18("2","7","3","1","9","9","1") = "8"
    & skf18("2","7","3","1","9","10","1") = "9"
    & skf18("2","7","3","1","10","1","1") = "9"
    & skf18("2","7","3","1","10","2","1") = "9"
    & skf18("2","7","3","1","10","3","1") = "9"
    & skf18("2","7","3","1","10","4","1") = "9"
    & skf18("2","7","3","1","10","5","1") = "9"
    & skf18("2","7","3","1","10","6","1") = "9"
    & skf18("2","7","3","1","10","7","1") = "9"
    & skf18("2","7","3","1","10","8","1") = "9"
    & skf18("2","7","3","1","10","9","1") = "9"
    & skf18("2","7","3","1","10","10","1") = "9"
    & skf18("2","7","3","2","1","1","1") = "6"
    & skf18("2","7","3","2","1","2","1") = "6"
    & skf18("2","7","3","2","1","3","1") = "6"
    & skf18("2","7","3","2","1","4","1") = "6"
    & skf18("2","7","3","2","1","5","1") = "6"
    & skf18("2","7","3","2","1","6","1") = "6"
    & skf18("2","7","3","2","1","7","1") = "6"
    & skf18("2","7","3","2","1","8","1") = "7"
    & skf18("2","7","3","2","1","9","1") = "8"
    & skf18("2","7","3","2","1","10","1") = "9"
    & skf18("2","7","3","2","2","1","1") = "6"
    & skf18("2","7","3","2","2","2","1") = "6"
    & skf18("2","7","3","2","2","3","1") = "6"
    & skf18("2","7","3","2","2","4","1") = "6"
    & skf18("2","7","3","2","2","5","1") = "6"
    & skf18("2","7","3","2","2","6","1") = "6"
    & skf18("2","7","3","2","2","7","1") = "6"
    & skf18("2","7","3","2","2","8","1") = "7"
    & skf18("2","7","3","2","2","9","1") = "8"
    & skf18("2","7","3","2","2","10","1") = "9"
    & skf18("2","7","3","2","3","1","1") = "6"
    & skf18("2","7","3","2","3","2","1") = "6"
    & skf18("2","7","3","2","3","3","1") = "6"
    & skf18("2","7","3","2","3","4","1") = "6"
    & skf18("2","7","3","2","3","5","1") = "6"
    & skf18("2","7","3","2","3","6","1") = "6"
    & skf18("2","7","3","2","3","7","1") = "6"
    & skf18("2","7","3","2","3","8","1") = "7"
    & skf18("2","7","3","2","3","9","1") = "8"
    & skf18("2","7","3","2","3","10","1") = "9"
    & skf18("2","7","3","2","4","1","1") = "6"
    & skf18("2","7","3","2","4","2","1") = "6"
    & skf18("2","7","3","2","4","3","1") = "6"
    & skf18("2","7","3","2","4","4","1") = "6"
    & skf18("2","7","3","2","4","5","1") = "6"
    & skf18("2","7","3","2","4","6","1") = "6"
    & skf18("2","7","3","2","4","7","1") = "6"
    & skf18("2","7","3","2","4","8","1") = "7"
    & skf18("2","7","3","2","4","9","1") = "8"
    & skf18("2","7","3","2","4","10","1") = "9"
    & skf18("2","7","3","2","5","1","1") = "6"
    & skf18("2","7","3","2","5","2","1") = "6"
    & skf18("2","7","3","2","5","3","1") = "6"
    & skf18("2","7","3","2","5","4","1") = "6"
    & skf18("2","7","3","2","5","5","1") = "6"
    & skf18("2","7","3","2","5","6","1") = "6"
    & skf18("2","7","3","2","5","7","1") = "6"
    & skf18("2","7","3","2","5","8","1") = "7"
    & skf18("2","7","3","2","5","9","1") = "8"
    & skf18("2","7","3","2","5","10","1") = "9"
    & skf18("2","7","3","2","6","1","1") = "6"
    & skf18("2","7","3","2","6","2","1") = "6"
    & skf18("2","7","3","2","6","3","1") = "6"
    & skf18("2","7","3","2","6","4","1") = "6"
    & skf18("2","7","3","2","6","5","1") = "6"
    & skf18("2","7","3","2","6","6","1") = "6"
    & skf18("2","7","3","2","6","7","1") = "6"
    & skf18("2","7","3","2","6","8","1") = "7"
    & skf18("2","7","3","2","6","9","1") = "8"
    & skf18("2","7","3","2","6","10","1") = "9"
    & skf18("2","7","3","2","7","1","1") = "6"
    & skf18("2","7","3","2","7","2","1") = "6"
    & skf18("2","7","3","2","7","3","1") = "6"
    & skf18("2","7","3","2","7","4","1") = "6"
    & skf18("2","7","3","2","7","5","1") = "6"
    & skf18("2","7","3","2","7","6","1") = "6"
    & skf18("2","7","3","2","7","7","1") = "6"
    & skf18("2","7","3","2","7","8","1") = "7"
    & skf18("2","7","3","2","7","9","1") = "8"
    & skf18("2","7","3","2","7","10","1") = "9"
    & skf18("2","7","3","2","8","1","1") = "7"
    & skf18("2","7","3","2","8","2","1") = "7"
    & skf18("2","7","3","2","8","3","1") = "7"
    & skf18("2","7","3","2","8","4","1") = "7"
    & skf18("2","7","3","2","8","5","1") = "7"
    & skf18("2","7","3","2","8","6","1") = "7"
    & skf18("2","7","3","2","8","7","1") = "7"
    & skf18("2","7","3","2","8","8","1") = "7"
    & skf18("2","7","3","2","8","9","1") = "8"
    & skf18("2","7","3","2","8","10","1") = "9"
    & skf18("2","7","3","2","9","1","1") = "8"
    & skf18("2","7","3","2","9","2","1") = "8"
    & skf18("2","7","3","2","9","3","1") = "8"
    & skf18("2","7","3","2","9","4","1") = "8"
    & skf18("2","7","3","2","9","5","1") = "8"
    & skf18("2","7","3","2","9","6","1") = "8"
    & skf18("2","7","3","2","9","7","1") = "8"
    & skf18("2","7","3","2","9","8","1") = "8"
    & skf18("2","7","3","2","9","9","1") = "8"
    & skf18("2","7","3","2","9","10","1") = "9"
    & skf18("2","7","3","2","10","1","1") = "9"
    & skf18("2","7","3","2","10","2","1") = "9"
    & skf18("2","7","3","2","10","3","1") = "9"
    & skf18("2","7","3","2","10","4","1") = "9"
    & skf18("2","7","3","2","10","5","1") = "9"
    & skf18("2","7","3","2","10","6","1") = "9"
    & skf18("2","7","3","2","10","7","1") = "9"
    & skf18("2","7","3","2","10","8","1") = "9"
    & skf18("2","7","3","2","10","9","1") = "9"
    & skf18("2","7","3","2","10","10","1") = "9"
    & skf18("2","7","3","3","1","1","1") = "6"
    & skf18("2","7","3","3","1","2","1") = "6"
    & skf18("2","7","3","3","1","3","1") = "6"
    & skf18("2","7","3","3","1","4","1") = "6"
    & skf18("2","7","3","3","1","5","1") = "6"
    & skf18("2","7","3","3","1","6","1") = "6"
    & skf18("2","7","3","3","1","7","1") = "6"
    & skf18("2","7","3","3","1","8","1") = "7"
    & skf18("2","7","3","3","1","9","1") = "8"
    & skf18("2","7","3","3","1","10","1") = "9"
    & skf18("2","7","3","3","2","1","1") = "6"
    & skf18("2","7","3","3","2","2","1") = "6"
    & skf18("2","7","3","3","2","3","1") = "6"
    & skf18("2","7","3","3","2","4","1") = "6"
    & skf18("2","7","3","3","2","5","1") = "6"
    & skf18("2","7","3","3","2","6","1") = "6"
    & skf18("2","7","3","3","2","7","1") = "6"
    & skf18("2","7","3","3","2","8","1") = "7"
    & skf18("2","7","3","3","2","9","1") = "8"
    & skf18("2","7","3","3","2","10","1") = "9"
    & skf18("2","7","3","3","3","1","1") = "6"
    & skf18("2","7","3","3","3","2","1") = "6"
    & skf18("2","7","3","3","3","3","1") = "6"
    & skf18("2","7","3","3","3","4","1") = "6"
    & skf18("2","7","3","3","3","5","1") = "6"
    & skf18("2","7","3","3","3","6","1") = "6"
    & skf18("2","7","3","3","3","7","1") = "6"
    & skf18("2","7","3","3","3","8","1") = "7"
    & skf18("2","7","3","3","3","9","1") = "8"
    & skf18("2","7","3","3","3","10","1") = "9"
    & skf18("2","7","3","3","4","1","1") = "6"
    & skf18("2","7","3","3","4","2","1") = "6"
    & skf18("2","7","3","3","4","3","1") = "6"
    & skf18("2","7","3","3","4","4","1") = "6"
    & skf18("2","7","3","3","4","5","1") = "6"
    & skf18("2","7","3","3","4","6","1") = "6"
    & skf18("2","7","3","3","4","7","1") = "6"
    & skf18("2","7","3","3","4","8","1") = "7"
    & skf18("2","7","3","3","4","9","1") = "8"
    & skf18("2","7","3","3","4","10","1") = "9"
    & skf18("2","7","3","3","5","1","1") = "6"
    & skf18("2","7","3","3","5","2","1") = "6"
    & skf18("2","7","3","3","5","3","1") = "6"
    & skf18("2","7","3","3","5","4","1") = "6"
    & skf18("2","7","3","3","5","5","1") = "6"
    & skf18("2","7","3","3","5","6","1") = "6"
    & skf18("2","7","3","3","5","7","1") = "6"
    & skf18("2","7","3","3","5","8","1") = "7"
    & skf18("2","7","3","3","5","9","1") = "8"
    & skf18("2","7","3","3","5","10","1") = "9"
    & skf18("2","7","3","3","6","1","1") = "6"
    & skf18("2","7","3","3","6","2","1") = "6"
    & skf18("2","7","3","3","6","3","1") = "6"
    & skf18("2","7","3","3","6","4","1") = "6"
    & skf18("2","7","3","3","6","5","1") = "6"
    & skf18("2","7","3","3","6","6","1") = "6"
    & skf18("2","7","3","3","6","7","1") = "6"
    & skf18("2","7","3","3","6","8","1") = "7"
    & skf18("2","7","3","3","6","9","1") = "8"
    & skf18("2","7","3","3","6","10","1") = "9"
    & skf18("2","7","3","3","7","1","1") = "6"
    & skf18("2","7","3","3","7","2","1") = "6"
    & skf18("2","7","3","3","7","3","1") = "6"
    & skf18("2","7","3","3","7","4","1") = "6"
    & skf18("2","7","3","3","7","5","1") = "6"
    & skf18("2","7","3","3","7","6","1") = "6"
    & skf18("2","7","3","3","7","7","1") = "6"
    & skf18("2","7","3","3","7","8","1") = "7"
    & skf18("2","7","3","3","7","9","1") = "8"
    & skf18("2","7","3","3","7","10","1") = "9"
    & skf18("2","7","3","3","8","1","1") = "7"
    & skf18("2","7","3","3","8","2","1") = "7"
    & skf18("2","7","3","3","8","3","1") = "7"
    & skf18("2","7","3","3","8","4","1") = "7"
    & skf18("2","7","3","3","8","5","1") = "7"
    & skf18("2","7","3","3","8","6","1") = "7"
    & skf18("2","7","3","3","8","7","1") = "7"
    & skf18("2","7","3","3","8","8","1") = "7"
    & skf18("2","7","3","3","8","9","1") = "8"
    & skf18("2","7","3","3","8","10","1") = "9"
    & skf18("2","7","3","3","9","1","1") = "8"
    & skf18("2","7","3","3","9","2","1") = "8"
    & skf18("2","7","3","3","9","3","1") = "8"
    & skf18("2","7","3","3","9","4","1") = "8"
    & skf18("2","7","3","3","9","5","1") = "8"
    & skf18("2","7","3","3","9","6","1") = "8"
    & skf18("2","7","3","3","9","7","1") = "8"
    & skf18("2","7","3","3","9","8","1") = "8"
    & skf18("2","7","3","3","9","9","1") = "8"
    & skf18("2","7","3","3","9","10","1") = "9"
    & skf18("2","7","3","3","10","1","1") = "9"
    & skf18("2","7","3","3","10","2","1") = "9"
    & skf18("2","7","3","3","10","3","1") = "9"
    & skf18("2","7","3","3","10","4","1") = "9"
    & skf18("2","7","3","3","10","5","1") = "9"
    & skf18("2","7","3","3","10","6","1") = "9"
    & skf18("2","7","3","3","10","7","1") = "9"
    & skf18("2","7","3","3","10","8","1") = "9"
    & skf18("2","7","3","3","10","9","1") = "9"
    & skf18("2","7","3","3","10","10","1") = "9"
    & skf18("2","7","3","4","1","1","1") = "6"
    & skf18("2","7","3","4","1","2","1") = "6"
    & skf18("2","7","3","4","1","3","1") = "6"
    & skf18("2","7","3","4","1","4","1") = "6"
    & skf18("2","7","3","4","1","5","1") = "6"
    & skf18("2","7","3","4","1","6","1") = "6"
    & skf18("2","7","3","4","1","7","1") = "6"
    & skf18("2","7","3","4","1","8","1") = "7"
    & skf18("2","7","3","4","1","9","1") = "8"
    & skf18("2","7","3","4","1","10","1") = "9"
    & skf18("2","7","3","4","2","1","1") = "6"
    & skf18("2","7","3","4","2","2","1") = "6"
    & skf18("2","7","3","4","2","3","1") = "6"
    & skf18("2","7","3","4","2","4","1") = "6"
    & skf18("2","7","3","4","2","5","1") = "6"
    & skf18("2","7","3","4","2","6","1") = "6"
    & skf18("2","7","3","4","2","7","1") = "6"
    & skf18("2","7","3","4","2","8","1") = "7"
    & skf18("2","7","3","4","2","9","1") = "8"
    & skf18("2","7","3","4","2","10","1") = "9"
    & skf18("2","7","3","4","3","1","1") = "6"
    & skf18("2","7","3","4","3","2","1") = "6"
    & skf18("2","7","3","4","3","3","1") = "6"
    & skf18("2","7","3","4","3","4","1") = "6"
    & skf18("2","7","3","4","3","5","1") = "6"
    & skf18("2","7","3","4","3","6","1") = "6"
    & skf18("2","7","3","4","3","7","1") = "6"
    & skf18("2","7","3","4","3","8","1") = "7"
    & skf18("2","7","3","4","3","9","1") = "8"
    & skf18("2","7","3","4","3","10","1") = "9"
    & skf18("2","7","3","4","4","1","1") = "6"
    & skf18("2","7","3","4","4","2","1") = "6"
    & skf18("2","7","3","4","4","3","1") = "6"
    & skf18("2","7","3","4","4","4","1") = "6"
    & skf18("2","7","3","4","4","5","1") = "6"
    & skf18("2","7","3","4","4","6","1") = "6"
    & skf18("2","7","3","4","4","7","1") = "6"
    & skf18("2","7","3","4","4","8","1") = "7"
    & skf18("2","7","3","4","4","9","1") = "8"
    & skf18("2","7","3","4","4","10","1") = "9"
    & skf18("2","7","3","4","5","1","1") = "6"
    & skf18("2","7","3","4","5","2","1") = "6"
    & skf18("2","7","3","4","5","3","1") = "6"
    & skf18("2","7","3","4","5","4","1") = "6"
    & skf18("2","7","3","4","5","5","1") = "6"
    & skf18("2","7","3","4","5","6","1") = "6"
    & skf18("2","7","3","4","5","7","1") = "6"
    & skf18("2","7","3","4","5","8","1") = "7"
    & skf18("2","7","3","4","5","9","1") = "8"
    & skf18("2","7","3","4","5","10","1") = "9"
    & skf18("2","7","3","4","6","1","1") = "6"
    & skf18("2","7","3","4","6","2","1") = "6"
    & skf18("2","7","3","4","6","3","1") = "6"
    & skf18("2","7","3","4","6","4","1") = "6"
    & skf18("2","7","3","4","6","5","1") = "6"
    & skf18("2","7","3","4","6","6","1") = "6"
    & skf18("2","7","3","4","6","7","1") = "6"
    & skf18("2","7","3","4","6","8","1") = "7"
    & skf18("2","7","3","4","6","9","1") = "8"
    & skf18("2","7","3","4","6","10","1") = "9"
    & skf18("2","7","3","4","7","1","1") = "6"
    & skf18("2","7","3","4","7","2","1") = "6"
    & skf18("2","7","3","4","7","3","1") = "6"
    & skf18("2","7","3","4","7","4","1") = "6"
    & skf18("2","7","3","4","7","5","1") = "6"
    & skf18("2","7","3","4","7","6","1") = "6"
    & skf18("2","7","3","4","7","7","1") = "6"
    & skf18("2","7","3","4","7","8","1") = "7"
    & skf18("2","7","3","4","7","9","1") = "8"
    & skf18("2","7","3","4","7","10","1") = "9"
    & skf18("2","7","3","4","8","1","1") = "7"
    & skf18("2","7","3","4","8","2","1") = "7"
    & skf18("2","7","3","4","8","3","1") = "7"
    & skf18("2","7","3","4","8","4","1") = "7"
    & skf18("2","7","3","4","8","5","1") = "7"
    & skf18("2","7","3","4","8","6","1") = "7"
    & skf18("2","7","3","4","8","7","1") = "7"
    & skf18("2","7","3","4","8","8","1") = "7"
    & skf18("2","7","3","4","8","9","1") = "8"
    & skf18("2","7","3","4","8","10","1") = "9"
    & skf18("2","7","3","4","9","1","1") = "8"
    & skf18("2","7","3","4","9","2","1") = "8"
    & skf18("2","7","3","4","9","3","1") = "8"
    & skf18("2","7","3","4","9","4","1") = "8"
    & skf18("2","7","3","4","9","5","1") = "8"
    & skf18("2","7","3","4","9","6","1") = "8"
    & skf18("2","7","3","4","9","7","1") = "8"
    & skf18("2","7","3","4","9","8","1") = "8"
    & skf18("2","7","3","4","9","9","1") = "8"
    & skf18("2","7","3","4","9","10","1") = "9"
    & skf18("2","7","3","4","10","1","1") = "9"
    & skf18("2","7","3","4","10","2","1") = "9"
    & skf18("2","7","3","4","10","3","1") = "9"
    & skf18("2","7","3","4","10","4","1") = "9"
    & skf18("2","7","3","4","10","5","1") = "9"
    & skf18("2","7","3","4","10","6","1") = "9"
    & skf18("2","7","3","4","10","7","1") = "9"
    & skf18("2","7","3","4","10","8","1") = "9"
    & skf18("2","7","3","4","10","9","1") = "9"
    & skf18("2","7","3","4","10","10","1") = "9"
    & skf18("2","7","3","5","1","1","1") = "6"
    & skf18("2","7","3","5","1","2","1") = "6"
    & skf18("2","7","3","5","1","3","1") = "6"
    & skf18("2","7","3","5","1","4","1") = "6"
    & skf18("2","7","3","5","1","5","1") = "6"
    & skf18("2","7","3","5","1","6","1") = "6"
    & skf18("2","7","3","5","1","7","1") = "6"
    & skf18("2","7","3","5","1","8","1") = "7"
    & skf18("2","7","3","5","1","9","1") = "8"
    & skf18("2","7","3","5","1","10","1") = "9"
    & skf18("2","7","3","5","2","1","1") = "6"
    & skf18("2","7","3","5","2","2","1") = "6"
    & skf18("2","7","3","5","2","3","1") = "6"
    & skf18("2","7","3","5","2","4","1") = "6"
    & skf18("2","7","3","5","2","5","1") = "6"
    & skf18("2","7","3","5","2","6","1") = "6"
    & skf18("2","7","3","5","2","7","1") = "6"
    & skf18("2","7","3","5","2","8","1") = "7"
    & skf18("2","7","3","5","2","9","1") = "8"
    & skf18("2","7","3","5","2","10","1") = "9"
    & skf18("2","7","3","5","3","1","1") = "6"
    & skf18("2","7","3","5","3","2","1") = "6"
    & skf18("2","7","3","5","3","3","1") = "6"
    & skf18("2","7","3","5","3","4","1") = "6"
    & skf18("2","7","3","5","3","5","1") = "6"
    & skf18("2","7","3","5","3","6","1") = "6"
    & skf18("2","7","3","5","3","7","1") = "6"
    & skf18("2","7","3","5","3","8","1") = "7"
    & skf18("2","7","3","5","3","9","1") = "8"
    & skf18("2","7","3","5","3","10","1") = "9"
    & skf18("2","7","3","5","4","1","1") = "6"
    & skf18("2","7","3","5","4","2","1") = "6"
    & skf18("2","7","3","5","4","3","1") = "6"
    & skf18("2","7","3","5","4","4","1") = "6"
    & skf18("2","7","3","5","4","5","1") = "6"
    & skf18("2","7","3","5","4","6","1") = "6"
    & skf18("2","7","3","5","4","7","1") = "6"
    & skf18("2","7","3","5","4","8","1") = "7"
    & skf18("2","7","3","5","4","9","1") = "8"
    & skf18("2","7","3","5","4","10","1") = "9"
    & skf18("2","7","3","5","5","1","1") = "6"
    & skf18("2","7","3","5","5","2","1") = "6"
    & skf18("2","7","3","5","5","3","1") = "6"
    & skf18("2","7","3","5","5","4","1") = "6"
    & skf18("2","7","3","5","5","5","1") = "6"
    & skf18("2","7","3","5","5","6","1") = "6"
    & skf18("2","7","3","5","5","7","1") = "6"
    & skf18("2","7","3","5","5","8","1") = "7"
    & skf18("2","7","3","5","5","9","1") = "8"
    & skf18("2","7","3","5","5","10","1") = "9"
    & skf18("2","7","3","5","6","1","1") = "6"
    & skf18("2","7","3","5","6","2","1") = "6"
    & skf18("2","7","3","5","6","3","1") = "6"
    & skf18("2","7","3","5","6","4","1") = "6"
    & skf18("2","7","3","5","6","5","1") = "6"
    & skf18("2","7","3","5","6","6","1") = "6"
    & skf18("2","7","3","5","6","7","1") = "6"
    & skf18("2","7","3","5","6","8","1") = "7"
    & skf18("2","7","3","5","6","9","1") = "8"
    & skf18("2","7","3","5","6","10","1") = "9"
    & skf18("2","7","3","5","7","1","1") = "6"
    & skf18("2","7","3","5","7","2","1") = "6"
    & skf18("2","7","3","5","7","3","1") = "6"
    & skf18("2","7","3","5","7","4","1") = "6"
    & skf18("2","7","3","5","7","5","1") = "6"
    & skf18("2","7","3","5","7","6","1") = "6"
    & skf18("2","7","3","5","7","7","1") = "6"
    & skf18("2","7","3","5","7","8","1") = "7"
    & skf18("2","7","3","5","7","9","1") = "8"
    & skf18("2","7","3","5","7","10","1") = "9"
    & skf18("2","7","3","5","8","1","1") = "7"
    & skf18("2","7","3","5","8","2","1") = "7"
    & skf18("2","7","3","5","8","3","1") = "7"
    & skf18("2","7","3","5","8","4","1") = "7"
    & skf18("2","7","3","5","8","5","1") = "7"
    & skf18("2","7","3","5","8","6","1") = "7"
    & skf18("2","7","3","5","8","7","1") = "7"
    & skf18("2","7","3","5","8","8","1") = "7"
    & skf18("2","7","3","5","8","9","1") = "8"
    & skf18("2","7","3","5","8","10","1") = "9"
    & skf18("2","7","3","5","9","1","1") = "8"
    & skf18("2","7","3","5","9","2","1") = "8"
    & skf18("2","7","3","5","9","3","1") = "8"
    & skf18("2","7","3","5","9","4","1") = "8"
    & skf18("2","7","3","5","9","5","1") = "8"
    & skf18("2","7","3","5","9","6","1") = "8"
    & skf18("2","7","3","5","9","7","1") = "8"
    & skf18("2","7","3","5","9","8","1") = "8"
    & skf18("2","7","3","5","9","9","1") = "8"
    & skf18("2","7","3","5","9","10","1") = "9"
    & skf18("2","7","3","5","10","1","1") = "9"
    & skf18("2","7","3","5","10","2","1") = "9"
    & skf18("2","7","3","5","10","3","1") = "9"
    & skf18("2","7","3","5","10","4","1") = "9"
    & skf18("2","7","3","5","10","5","1") = "9"
    & skf18("2","7","3","5","10","6","1") = "9"
    & skf18("2","7","3","5","10","7","1") = "9"
    & skf18("2","7","3","5","10","8","1") = "9"
    & skf18("2","7","3","5","10","9","1") = "9"
    & skf18("2","7","3","5","10","10","1") = "9"
    & skf18("2","7","3","6","1","1","1") = "6"
    & skf18("2","7","3","6","1","2","1") = "6"
    & skf18("2","7","3","6","1","3","1") = "6"
    & skf18("2","7","3","6","1","4","1") = "6"
    & skf18("2","7","3","6","1","5","1") = "6"
    & skf18("2","7","3","6","1","6","1") = "6"
    & skf18("2","7","3","6","1","7","1") = "6"
    & skf18("2","7","3","6","1","8","1") = "7"
    & skf18("2","7","3","6","1","9","1") = "8"
    & skf18("2","7","3","6","1","10","1") = "9"
    & skf18("2","7","3","6","2","1","1") = "6"
    & skf18("2","7","3","6","2","2","1") = "6"
    & skf18("2","7","3","6","2","3","1") = "6"
    & skf18("2","7","3","6","2","4","1") = "6"
    & skf18("2","7","3","6","2","5","1") = "6"
    & skf18("2","7","3","6","2","6","1") = "6"
    & skf18("2","7","3","6","2","7","1") = "6"
    & skf18("2","7","3","6","2","8","1") = "7"
    & skf18("2","7","3","6","2","9","1") = "8"
    & skf18("2","7","3","6","2","10","1") = "9"
    & skf18("2","7","3","6","3","1","1") = "6"
    & skf18("2","7","3","6","3","2","1") = "6"
    & skf18("2","7","3","6","3","3","1") = "6"
    & skf18("2","7","3","6","3","4","1") = "6"
    & skf18("2","7","3","6","3","5","1") = "6"
    & skf18("2","7","3","6","3","6","1") = "6"
    & skf18("2","7","3","6","3","7","1") = "6"
    & skf18("2","7","3","6","3","8","1") = "7"
    & skf18("2","7","3","6","3","9","1") = "8"
    & skf18("2","7","3","6","3","10","1") = "9"
    & skf18("2","7","3","6","4","1","1") = "6"
    & skf18("2","7","3","6","4","2","1") = "6"
    & skf18("2","7","3","6","4","3","1") = "6"
    & skf18("2","7","3","6","4","4","1") = "6"
    & skf18("2","7","3","6","4","5","1") = "6"
    & skf18("2","7","3","6","4","6","1") = "6"
    & skf18("2","7","3","6","4","7","1") = "6"
    & skf18("2","7","3","6","4","8","1") = "7"
    & skf18("2","7","3","6","4","9","1") = "8"
    & skf18("2","7","3","6","4","10","1") = "9"
    & skf18("2","7","3","6","5","1","1") = "6"
    & skf18("2","7","3","6","5","2","1") = "6"
    & skf18("2","7","3","6","5","3","1") = "6"
    & skf18("2","7","3","6","5","4","1") = "6"
    & skf18("2","7","3","6","5","5","1") = "6"
    & skf18("2","7","3","6","5","6","1") = "6"
    & skf18("2","7","3","6","5","7","1") = "6"
    & skf18("2","7","3","6","5","8","1") = "7"
    & skf18("2","7","3","6","5","9","1") = "8"
    & skf18("2","7","3","6","5","10","1") = "9"
    & skf18("2","7","3","6","6","1","1") = "6"
    & skf18("2","7","3","6","6","2","1") = "6"
    & skf18("2","7","3","6","6","3","1") = "6"
    & skf18("2","7","3","6","6","4","1") = "6"
    & skf18("2","7","3","6","6","5","1") = "6"
    & skf18("2","7","3","6","6","6","1") = "6"
    & skf18("2","7","3","6","6","7","1") = "6"
    & skf18("2","7","3","6","6","8","1") = "7"
    & skf18("2","7","3","6","6","9","1") = "8"
    & skf18("2","7","3","6","6","10","1") = "9"
    & skf18("2","7","3","6","7","1","1") = "6"
    & skf18("2","7","3","6","7","2","1") = "6"
    & skf18("2","7","3","6","7","3","1") = "6"
    & skf18("2","7","3","6","7","4","1") = "6"
    & skf18("2","7","3","6","7","5","1") = "6"
    & skf18("2","7","3","6","7","6","1") = "6"
    & skf18("2","7","3","6","7","7","1") = "6"
    & skf18("2","7","3","6","7","8","1") = "7"
    & skf18("2","7","3","6","7","9","1") = "8"
    & skf18("2","7","3","6","7","10","1") = "9"
    & skf18("2","7","3","6","8","1","1") = "7"
    & skf18("2","7","3","6","8","2","1") = "7"
    & skf18("2","7","3","6","8","3","1") = "7"
    & skf18("2","7","3","6","8","4","1") = "7"
    & skf18("2","7","3","6","8","5","1") = "7"
    & skf18("2","7","3","6","8","6","1") = "7"
    & skf18("2","7","3","6","8","7","1") = "7"
    & skf18("2","7","3","6","8","8","1") = "7"
    & skf18("2","7","3","6","8","9","1") = "8"
    & skf18("2","7","3","6","8","10","1") = "9"
    & skf18("2","7","3","6","9","1","1") = "8"
    & skf18("2","7","3","6","9","2","1") = "8"
    & skf18("2","7","3","6","9","3","1") = "8"
    & skf18("2","7","3","6","9","4","1") = "8"
    & skf18("2","7","3","6","9","5","1") = "8"
    & skf18("2","7","3","6","9","6","1") = "8"
    & skf18("2","7","3","6","9","7","1") = "8"
    & skf18("2","7","3","6","9","8","1") = "8"
    & skf18("2","7","3","6","9","9","1") = "8"
    & skf18("2","7","3","6","9","10","1") = "9"
    & skf18("2","7","3","6","10","1","1") = "9"
    & skf18("2","7","3","6","10","2","1") = "9"
    & skf18("2","7","3","6","10","3","1") = "9"
    & skf18("2","7","3","6","10","4","1") = "9"
    & skf18("2","7","3","6","10","5","1") = "9"
    & skf18("2","7","3","6","10","6","1") = "9"
    & skf18("2","7","3","6","10","7","1") = "9"
    & skf18("2","7","3","6","10","8","1") = "9"
    & skf18("2","7","3","6","10","9","1") = "9"
    & skf18("2","7","3","6","10","10","1") = "9"
    & skf18("2","7","3","7","1","1","1") = "6"
    & skf18("2","7","3","7","1","2","1") = "6"
    & skf18("2","7","3","7","1","3","1") = "6"
    & skf18("2","7","3","7","1","4","1") = "6"
    & skf18("2","7","3","7","1","5","1") = "6"
    & skf18("2","7","3","7","1","6","1") = "6"
    & skf18("2","7","3","7","1","7","1") = "6"
    & skf18("2","7","3","7","1","8","1") = "7"
    & skf18("2","7","3","7","1","9","1") = "8"
    & skf18("2","7","3","7","1","10","1") = "9"
    & skf18("2","7","3","7","2","1","1") = "6"
    & skf18("2","7","3","7","2","2","1") = "6"
    & skf18("2","7","3","7","2","3","1") = "6"
    & skf18("2","7","3","7","2","4","1") = "6"
    & skf18("2","7","3","7","2","5","1") = "6"
    & skf18("2","7","3","7","2","6","1") = "6"
    & skf18("2","7","3","7","2","7","1") = "6"
    & skf18("2","7","3","7","2","8","1") = "7"
    & skf18("2","7","3","7","2","9","1") = "8"
    & skf18("2","7","3","7","2","10","1") = "9"
    & skf18("2","7","3","7","3","1","1") = "6"
    & skf18("2","7","3","7","3","2","1") = "6"
    & skf18("2","7","3","7","3","3","1") = "6"
    & skf18("2","7","3","7","3","4","1") = "6"
    & skf18("2","7","3","7","3","5","1") = "6"
    & skf18("2","7","3","7","3","6","1") = "6"
    & skf18("2","7","3","7","3","7","1") = "6"
    & skf18("2","7","3","7","3","8","1") = "7"
    & skf18("2","7","3","7","3","9","1") = "8"
    & skf18("2","7","3","7","3","10","1") = "9"
    & skf18("2","7","3","7","4","1","1") = "6"
    & skf18("2","7","3","7","4","2","1") = "6"
    & skf18("2","7","3","7","4","3","1") = "6"
    & skf18("2","7","3","7","4","4","1") = "6"
    & skf18("2","7","3","7","4","5","1") = "6"
    & skf18("2","7","3","7","4","6","1") = "6"
    & skf18("2","7","3","7","4","7","1") = "6"
    & skf18("2","7","3","7","4","8","1") = "7"
    & skf18("2","7","3","7","4","9","1") = "8"
    & skf18("2","7","3","7","4","10","1") = "9"
    & skf18("2","7","3","7","5","1","1") = "6"
    & skf18("2","7","3","7","5","2","1") = "6"
    & skf18("2","7","3","7","5","3","1") = "6"
    & skf18("2","7","3","7","5","4","1") = "6"
    & skf18("2","7","3","7","5","5","1") = "6"
    & skf18("2","7","3","7","5","6","1") = "6"
    & skf18("2","7","3","7","5","7","1") = "6"
    & skf18("2","7","3","7","5","8","1") = "7"
    & skf18("2","7","3","7","5","9","1") = "8"
    & skf18("2","7","3","7","5","10","1") = "9"
    & skf18("2","7","3","7","6","1","1") = "6"
    & skf18("2","7","3","7","6","2","1") = "6"
    & skf18("2","7","3","7","6","3","1") = "6"
    & skf18("2","7","3","7","6","4","1") = "6"
    & skf18("2","7","3","7","6","5","1") = "6"
    & skf18("2","7","3","7","6","6","1") = "6"
    & skf18("2","7","3","7","6","7","1") = "6"
    & skf18("2","7","3","7","6","8","1") = "7"
    & skf18("2","7","3","7","6","9","1") = "8"
    & skf18("2","7","3","7","6","10","1") = "9"
    & skf18("2","7","3","7","7","1","1") = "6"
    & skf18("2","7","3","7","7","2","1") = "6"
    & skf18("2","7","3","7","7","3","1") = "6"
    & skf18("2","7","3","7","7","4","1") = "6"
    & skf18("2","7","3","7","7","5","1") = "6"
    & skf18("2","7","3","7","7","6","1") = "6"
    & skf18("2","7","3","7","7","7","1") = "6"
    & skf18("2","7","3","7","7","8","1") = "7"
    & skf18("2","7","3","7","7","9","1") = "8"
    & skf18("2","7","3","7","7","10","1") = "9"
    & skf18("2","7","3","7","8","1","1") = "7"
    & skf18("2","7","3","7","8","2","1") = "7"
    & skf18("2","7","3","7","8","3","1") = "7"
    & skf18("2","7","3","7","8","4","1") = "7"
    & skf18("2","7","3","7","8","5","1") = "7"
    & skf18("2","7","3","7","8","6","1") = "7"
    & skf18("2","7","3","7","8","7","1") = "7"
    & skf18("2","7","3","7","8","8","1") = "7"
    & skf18("2","7","3","7","8","9","1") = "8"
    & skf18("2","7","3","7","8","10","1") = "9"
    & skf18("2","7","3","7","9","1","1") = "8"
    & skf18("2","7","3","7","9","2","1") = "8"
    & skf18("2","7","3","7","9","3","1") = "8"
    & skf18("2","7","3","7","9","4","1") = "8"
    & skf18("2","7","3","7","9","5","1") = "8"
    & skf18("2","7","3","7","9","6","1") = "8"
    & skf18("2","7","3","7","9","7","1") = "8"
    & skf18("2","7","3","7","9","8","1") = "8"
    & skf18("2","7","3","7","9","9","1") = "8"
    & skf18("2","7","3","7","9","10","1") = "9"
    & skf18("2","7","3","7","10","1","1") = "9"
    & skf18("2","7","3","7","10","2","1") = "9"
    & skf18("2","7","3","7","10","3","1") = "9"
    & skf18("2","7","3","7","10","4","1") = "9"
    & skf18("2","7","3","7","10","5","1") = "9"
    & skf18("2","7","3","7","10","6","1") = "9"
    & skf18("2","7","3","7","10","7","1") = "9"
    & skf18("2","7","3","7","10","8","1") = "9"
    & skf18("2","7","3","7","10","9","1") = "9"
    & skf18("2","7","3","7","10","10","1") = "9"
    & skf18("2","7","3","8","1","1","1") = "7"
    & skf18("2","7","3","8","1","2","1") = "7"
    & skf18("2","7","3","8","1","3","1") = "7"
    & skf18("2","7","3","8","1","4","1") = "7"
    & skf18("2","7","3","8","1","5","1") = "7"
    & skf18("2","7","3","8","1","6","1") = "7"
    & skf18("2","7","3","8","1","7","1") = "7"
    & skf18("2","7","3","8","1","8","1") = "7"
    & skf18("2","7","3","8","1","9","1") = "8"
    & skf18("2","7","3","8","1","10","1") = "9"
    & skf18("2","7","3","8","2","1","1") = "7"
    & skf18("2","7","3","8","2","2","1") = "7"
    & skf18("2","7","3","8","2","3","1") = "7"
    & skf18("2","7","3","8","2","4","1") = "7"
    & skf18("2","7","3","8","2","5","1") = "7"
    & skf18("2","7","3","8","2","6","1") = "7"
    & skf18("2","7","3","8","2","7","1") = "7"
    & skf18("2","7","3","8","2","8","1") = "7"
    & skf18("2","7","3","8","2","9","1") = "8"
    & skf18("2","7","3","8","2","10","1") = "9"
    & skf18("2","7","3","8","3","1","1") = "7"
    & skf18("2","7","3","8","3","2","1") = "7"
    & skf18("2","7","3","8","3","3","1") = "7"
    & skf18("2","7","3","8","3","4","1") = "7"
    & skf18("2","7","3","8","3","5","1") = "7"
    & skf18("2","7","3","8","3","6","1") = "7"
    & skf18("2","7","3","8","3","7","1") = "7"
    & skf18("2","7","3","8","3","8","1") = "7"
    & skf18("2","7","3","8","3","9","1") = "8"
    & skf18("2","7","3","8","3","10","1") = "9"
    & skf18("2","7","3","8","4","1","1") = "7"
    & skf18("2","7","3","8","4","2","1") = "7"
    & skf18("2","7","3","8","4","3","1") = "7"
    & skf18("2","7","3","8","4","4","1") = "7"
    & skf18("2","7","3","8","4","5","1") = "7"
    & skf18("2","7","3","8","4","6","1") = "7"
    & skf18("2","7","3","8","4","7","1") = "7"
    & skf18("2","7","3","8","4","8","1") = "7"
    & skf18("2","7","3","8","4","9","1") = "8"
    & skf18("2","7","3","8","4","10","1") = "9"
    & skf18("2","7","3","8","5","1","1") = "7"
    & skf18("2","7","3","8","5","2","1") = "7"
    & skf18("2","7","3","8","5","3","1") = "7"
    & skf18("2","7","3","8","5","4","1") = "7"
    & skf18("2","7","3","8","5","5","1") = "7"
    & skf18("2","7","3","8","5","6","1") = "7"
    & skf18("2","7","3","8","5","7","1") = "7"
    & skf18("2","7","3","8","5","8","1") = "7"
    & skf18("2","7","3","8","5","9","1") = "8"
    & skf18("2","7","3","8","5","10","1") = "9"
    & skf18("2","7","3","8","6","1","1") = "7"
    & skf18("2","7","3","8","6","2","1") = "7"
    & skf18("2","7","3","8","6","3","1") = "7"
    & skf18("2","7","3","8","6","4","1") = "7"
    & skf18("2","7","3","8","6","5","1") = "7"
    & skf18("2","7","3","8","6","6","1") = "7"
    & skf18("2","7","3","8","6","7","1") = "7"
    & skf18("2","7","3","8","6","8","1") = "7"
    & skf18("2","7","3","8","6","9","1") = "8"
    & skf18("2","7","3","8","6","10","1") = "9"
    & skf18("2","7","3","8","7","1","1") = "7"
    & skf18("2","7","3","8","7","2","1") = "7"
    & skf18("2","7","3","8","7","3","1") = "7"
    & skf18("2","7","3","8","7","4","1") = "7"
    & skf18("2","7","3","8","7","5","1") = "7"
    & skf18("2","7","3","8","7","6","1") = "7"
    & skf18("2","7","3","8","7","7","1") = "7"
    & skf18("2","7","3","8","7","8","1") = "7"
    & skf18("2","7","3","8","7","9","1") = "8"
    & skf18("2","7","3","8","7","10","1") = "9"
    & skf18("2","7","3","8","8","1","1") = "7"
    & skf18("2","7","3","8","8","2","1") = "7"
    & skf18("2","7","3","8","8","3","1") = "7"
    & skf18("2","7","3","8","8","4","1") = "7"
    & skf18("2","7","3","8","8","5","1") = "7"
    & skf18("2","7","3","8","8","6","1") = "7"
    & skf18("2","7","3","8","8","7","1") = "7"
    & skf18("2","7","3","8","8","8","1") = "7"
    & skf18("2","7","3","8","8","9","1") = "8"
    & skf18("2","7","3","8","8","10","1") = "9"
    & skf18("2","7","3","8","9","1","1") = "8"
    & skf18("2","7","3","8","9","2","1") = "8"
    & skf18("2","7","3","8","9","3","1") = "8"
    & skf18("2","7","3","8","9","4","1") = "8"
    & skf18("2","7","3","8","9","5","1") = "8"
    & skf18("2","7","3","8","9","6","1") = "8"
    & skf18("2","7","3","8","9","7","1") = "8"
    & skf18("2","7","3","8","9","8","1") = "8"
    & skf18("2","7","3","8","9","9","1") = "8"
    & skf18("2","7","3","8","9","10","1") = "9"
    & skf18("2","7","3","8","10","1","1") = "9"
    & skf18("2","7","3","8","10","2","1") = "9"
    & skf18("2","7","3","8","10","3","1") = "9"
    & skf18("2","7","3","8","10","4","1") = "9"
    & skf18("2","7","3","8","10","5","1") = "9"
    & skf18("2","7","3","8","10","6","1") = "9"
    & skf18("2","7","3","8","10","7","1") = "9"
    & skf18("2","7","3","8","10","8","1") = "9"
    & skf18("2","7","3","8","10","9","1") = "9"
    & skf18("2","7","3","8","10","10","1") = "9"
    & skf18("2","7","3","9","1","1","1") = "8"
    & skf18("2","7","3","9","1","2","1") = "8"
    & skf18("2","7","3","9","1","3","1") = "8"
    & skf18("2","7","3","9","1","4","1") = "8"
    & skf18("2","7","3","9","1","5","1") = "8"
    & skf18("2","7","3","9","1","6","1") = "8"
    & skf18("2","7","3","9","1","7","1") = "8"
    & skf18("2","7","3","9","1","8","1") = "8"
    & skf18("2","7","3","9","1","9","1") = "8"
    & skf18("2","7","3","9","1","10","1") = "9"
    & skf18("2","7","3","9","2","1","1") = "8"
    & skf18("2","7","3","9","2","2","1") = "8"
    & skf18("2","7","3","9","2","3","1") = "8"
    & skf18("2","7","3","9","2","4","1") = "8"
    & skf18("2","7","3","9","2","5","1") = "8"
    & skf18("2","7","3","9","2","6","1") = "8"
    & skf18("2","7","3","9","2","7","1") = "8"
    & skf18("2","7","3","9","2","8","1") = "8"
    & skf18("2","7","3","9","2","9","1") = "8"
    & skf18("2","7","3","9","2","10","1") = "9"
    & skf18("2","7","3","9","3","1","1") = "8"
    & skf18("2","7","3","9","3","2","1") = "8"
    & skf18("2","7","3","9","3","3","1") = "8"
    & skf18("2","7","3","9","3","4","1") = "8"
    & skf18("2","7","3","9","3","5","1") = "8"
    & skf18("2","7","3","9","3","6","1") = "8"
    & skf18("2","7","3","9","3","7","1") = "8"
    & skf18("2","7","3","9","3","8","1") = "8"
    & skf18("2","7","3","9","3","9","1") = "8"
    & skf18("2","7","3","9","3","10","1") = "9"
    & skf18("2","7","3","9","4","1","1") = "8"
    & skf18("2","7","3","9","4","2","1") = "8"
    & skf18("2","7","3","9","4","3","1") = "8"
    & skf18("2","7","3","9","4","4","1") = "8"
    & skf18("2","7","3","9","4","5","1") = "8"
    & skf18("2","7","3","9","4","6","1") = "8"
    & skf18("2","7","3","9","4","7","1") = "8"
    & skf18("2","7","3","9","4","8","1") = "8"
    & skf18("2","7","3","9","4","9","1") = "8"
    & skf18("2","7","3","9","4","10","1") = "9"
    & skf18("2","7","3","9","5","1","1") = "8"
    & skf18("2","7","3","9","5","2","1") = "8"
    & skf18("2","7","3","9","5","3","1") = "8"
    & skf18("2","7","3","9","5","4","1") = "8"
    & skf18("2","7","3","9","5","5","1") = "8"
    & skf18("2","7","3","9","5","6","1") = "8"
    & skf18("2","7","3","9","5","7","1") = "8"
    & skf18("2","7","3","9","5","8","1") = "8"
    & skf18("2","7","3","9","5","9","1") = "8"
    & skf18("2","7","3","9","5","10","1") = "9"
    & skf18("2","7","3","9","6","1","1") = "8"
    & skf18("2","7","3","9","6","2","1") = "8"
    & skf18("2","7","3","9","6","3","1") = "8"
    & skf18("2","7","3","9","6","4","1") = "8"
    & skf18("2","7","3","9","6","5","1") = "8"
    & skf18("2","7","3","9","6","6","1") = "8"
    & skf18("2","7","3","9","6","7","1") = "8"
    & skf18("2","7","3","9","6","8","1") = "8"
    & skf18("2","7","3","9","6","9","1") = "8"
    & skf18("2","7","3","9","6","10","1") = "9"
    & skf18("2","7","3","9","7","1","1") = "8"
    & skf18("2","7","3","9","7","2","1") = "8"
    & skf18("2","7","3","9","7","3","1") = "8"
    & skf18("2","7","3","9","7","4","1") = "8"
    & skf18("2","7","3","9","7","5","1") = "8"
    & skf18("2","7","3","9","7","6","1") = "8"
    & skf18("2","7","3","9","7","7","1") = "8"
    & skf18("2","7","3","9","7","8","1") = "8"
    & skf18("2","7","3","9","7","9","1") = "8"
    & skf18("2","7","3","9","7","10","1") = "9"
    & skf18("2","7","3","9","8","1","1") = "8"
    & skf18("2","7","3","9","8","2","1") = "8"
    & skf18("2","7","3","9","8","3","1") = "8"
    & skf18("2","7","3","9","8","4","1") = "8"
    & skf18("2","7","3","9","8","5","1") = "8"
    & skf18("2","7","3","9","8","6","1") = "8"
    & skf18("2","7","3","9","8","7","1") = "8"
    & skf18("2","7","3","9","8","8","1") = "8"
    & skf18("2","7","3","9","8","9","1") = "8"
    & skf18("2","7","3","9","8","10","1") = "9"
    & skf18("2","7","3","9","9","1","1") = "8"
    & skf18("2","7","3","9","9","2","1") = "8"
    & skf18("2","7","3","9","9","3","1") = "8"
    & skf18("2","7","3","9","9","4","1") = "8"
    & skf18("2","7","3","9","9","5","1") = "8"
    & skf18("2","7","3","9","9","6","1") = "8"
    & skf18("2","7","3","9","9","7","1") = "8"
    & skf18("2","7","3","9","9","8","1") = "8"
    & skf18("2","7","3","9","9","9","1") = "8"
    & skf18("2","7","3","9","9","10","1") = "9"
    & skf18("2","7","3","9","10","1","1") = "9"
    & skf18("2","7","3","9","10","2","1") = "9"
    & skf18("2","7","3","9","10","3","1") = "9"
    & skf18("2","7","3","9","10","4","1") = "9"
    & skf18("2","7","3","9","10","5","1") = "9"
    & skf18("2","7","3","9","10","6","1") = "9"
    & skf18("2","7","3","9","10","7","1") = "9"
    & skf18("2","7","3","9","10","8","1") = "9"
    & skf18("2","7","3","9","10","9","1") = "9"
    & skf18("2","7","3","9","10","10","1") = "9"
    & skf18("2","7","3","10","1","1","1") = "9"
    & skf18("2","7","3","10","1","2","1") = "9"
    & skf18("2","7","3","10","1","3","1") = "9"
    & skf18("2","7","3","10","1","4","1") = "9"
    & skf18("2","7","3","10","1","5","1") = "9"
    & skf18("2","7","3","10","1","6","1") = "9"
    & skf18("2","7","3","10","1","7","1") = "9"
    & skf18("2","7","3","10","1","8","1") = "9"
    & skf18("2","7","3","10","1","9","1") = "9"
    & skf18("2","7","3","10","1","10","1") = "9"
    & skf18("2","7","3","10","2","1","1") = "9"
    & skf18("2","7","3","10","2","2","1") = "9"
    & skf18("2","7","3","10","2","3","1") = "9"
    & skf18("2","7","3","10","2","4","1") = "9"
    & skf18("2","7","3","10","2","5","1") = "9"
    & skf18("2","7","3","10","2","6","1") = "9"
    & skf18("2","7","3","10","2","7","1") = "9"
    & skf18("2","7","3","10","2","8","1") = "9"
    & skf18("2","7","3","10","2","9","1") = "9"
    & skf18("2","7","3","10","2","10","1") = "9"
    & skf18("2","7","3","10","3","1","1") = "9"
    & skf18("2","7","3","10","3","2","1") = "9"
    & skf18("2","7","3","10","3","3","1") = "9"
    & skf18("2","7","3","10","3","4","1") = "9"
    & skf18("2","7","3","10","3","5","1") = "9"
    & skf18("2","7","3","10","3","6","1") = "9"
    & skf18("2","7","3","10","3","7","1") = "9"
    & skf18("2","7","3","10","3","8","1") = "9"
    & skf18("2","7","3","10","3","9","1") = "9"
    & skf18("2","7","3","10","3","10","1") = "9"
    & skf18("2","7","3","10","4","1","1") = "9"
    & skf18("2","7","3","10","4","2","1") = "9"
    & skf18("2","7","3","10","4","3","1") = "9"
    & skf18("2","7","3","10","4","4","1") = "9"
    & skf18("2","7","3","10","4","5","1") = "9"
    & skf18("2","7","3","10","4","6","1") = "9"
    & skf18("2","7","3","10","4","7","1") = "9"
    & skf18("2","7","3","10","4","8","1") = "9"
    & skf18("2","7","3","10","4","9","1") = "9"
    & skf18("2","7","3","10","4","10","1") = "9"
    & skf18("2","7","3","10","5","1","1") = "9"
    & skf18("2","7","3","10","5","2","1") = "9"
    & skf18("2","7","3","10","5","3","1") = "9"
    & skf18("2","7","3","10","5","4","1") = "9"
    & skf18("2","7","3","10","5","5","1") = "9"
    & skf18("2","7","3","10","5","6","1") = "9"
    & skf18("2","7","3","10","5","7","1") = "9"
    & skf18("2","7","3","10","5","8","1") = "9"
    & skf18("2","7","3","10","5","9","1") = "9"
    & skf18("2","7","3","10","5","10","1") = "9"
    & skf18("2","7","3","10","6","1","1") = "9"
    & skf18("2","7","3","10","6","2","1") = "9"
    & skf18("2","7","3","10","6","3","1") = "9"
    & skf18("2","7","3","10","6","4","1") = "9"
    & skf18("2","7","3","10","6","5","1") = "9"
    & skf18("2","7","3","10","6","6","1") = "9"
    & skf18("2","7","3","10","6","7","1") = "9"
    & skf18("2","7","3","10","6","8","1") = "9"
    & skf18("2","7","3","10","6","9","1") = "9"
    & skf18("2","7","3","10","6","10","1") = "9"
    & skf18("2","7","3","10","7","1","1") = "9"
    & skf18("2","7","3","10","7","2","1") = "9"
    & skf18("2","7","3","10","7","3","1") = "9"
    & skf18("2","7","3","10","7","4","1") = "9"
    & skf18("2","7","3","10","7","5","1") = "9"
    & skf18("2","7","3","10","7","6","1") = "9"
    & skf18("2","7","3","10","7","7","1") = "9"
    & skf18("2","7","3","10","7","8","1") = "9"
    & skf18("2","7","3","10","7","9","1") = "9"
    & skf18("2","7","3","10","7","10","1") = "9"
    & skf18("2","7","3","10","8","1","1") = "9"
    & skf18("2","7","3","10","8","2","1") = "9"
    & skf18("2","7","3","10","8","3","1") = "9"
    & skf18("2","7","3","10","8","4","1") = "9"
    & skf18("2","7","3","10","8","5","1") = "9"
    & skf18("2","7","3","10","8","6","1") = "9"
    & skf18("2","7","3","10","8","7","1") = "9"
    & skf18("2","7","3","10","8","8","1") = "9"
    & skf18("2","7","3","10","8","9","1") = "9"
    & skf18("2","7","3","10","8","10","1") = "9"
    & skf18("2","7","3","10","9","1","1") = "9"
    & skf18("2","7","3","10","9","2","1") = "9"
    & skf18("2","7","3","10","9","3","1") = "9"
    & skf18("2","7","3","10","9","4","1") = "9"
    & skf18("2","7","3","10","9","5","1") = "9"
    & skf18("2","7","3","10","9","6","1") = "9"
    & skf18("2","7","3","10","9","7","1") = "9"
    & skf18("2","7","3","10","9","8","1") = "9"
    & skf18("2","7","3","10","9","9","1") = "9"
    & skf18("2","7","3","10","9","10","1") = "9"
    & skf18("2","7","3","10","10","1","1") = "9"
    & skf18("2","7","3","10","10","2","1") = "9"
    & skf18("2","7","3","10","10","3","1") = "9"
    & skf18("2","7","3","10","10","4","1") = "9"
    & skf18("2","7","3","10","10","5","1") = "9"
    & skf18("2","7","3","10","10","6","1") = "9"
    & skf18("2","7","3","10","10","7","1") = "9"
    & skf18("2","7","3","10","10","8","1") = "9"
    & skf18("2","7","3","10","10","9","1") = "9"
    & skf18("2","7","3","10","10","10","1") = "9"
    & skf18("2","7","4","1","1","1","1") = "6"
    & skf18("2","7","4","1","1","2","1") = "6"
    & skf18("2","7","4","1","1","3","1") = "6"
    & skf18("2","7","4","1","1","4","1") = "6"
    & skf18("2","7","4","1","1","5","1") = "6"
    & skf18("2","7","4","1","1","6","1") = "6"
    & skf18("2","7","4","1","1","7","1") = "6"
    & skf18("2","7","4","1","1","8","1") = "7"
    & skf18("2","7","4","1","1","9","1") = "8"
    & skf18("2","7","4","1","1","10","1") = "9"
    & skf18("2","7","4","1","2","1","1") = "6"
    & skf18("2","7","4","1","2","2","1") = "6"
    & skf18("2","7","4","1","2","3","1") = "6"
    & skf18("2","7","4","1","2","4","1") = "6"
    & skf18("2","7","4","1","2","5","1") = "6"
    & skf18("2","7","4","1","2","6","1") = "6"
    & skf18("2","7","4","1","2","7","1") = "6"
    & skf18("2","7","4","1","2","8","1") = "7"
    & skf18("2","7","4","1","2","9","1") = "8"
    & skf18("2","7","4","1","2","10","1") = "9"
    & skf18("2","7","4","1","3","1","1") = "6"
    & skf18("2","7","4","1","3","2","1") = "6"
    & skf18("2","7","4","1","3","3","1") = "6"
    & skf18("2","7","4","1","3","4","1") = "6"
    & skf18("2","7","4","1","3","5","1") = "6"
    & skf18("2","7","4","1","3","6","1") = "6"
    & skf18("2","7","4","1","3","7","1") = "6"
    & skf18("2","7","4","1","3","8","1") = "7"
    & skf18("2","7","4","1","3","9","1") = "8"
    & skf18("2","7","4","1","3","10","1") = "9"
    & skf18("2","7","4","1","4","1","1") = "6"
    & skf18("2","7","4","1","4","2","1") = "6"
    & skf18("2","7","4","1","4","3","1") = "6"
    & skf18("2","7","4","1","4","4","1") = "6"
    & skf18("2","7","4","1","4","5","1") = "6"
    & skf18("2","7","4","1","4","6","1") = "6"
    & skf18("2","7","4","1","4","7","1") = "6"
    & skf18("2","7","4","1","4","8","1") = "7"
    & skf18("2","7","4","1","4","9","1") = "8"
    & skf18("2","7","4","1","4","10","1") = "9"
    & skf18("2","7","4","1","5","1","1") = "6"
    & skf18("2","7","4","1","5","2","1") = "6"
    & skf18("2","7","4","1","5","3","1") = "6"
    & skf18("2","7","4","1","5","4","1") = "6"
    & skf18("2","7","4","1","5","5","1") = "6"
    & skf18("2","7","4","1","5","6","1") = "6"
    & skf18("2","7","4","1","5","7","1") = "6"
    & skf18("2","7","4","1","5","8","1") = "7"
    & skf18("2","7","4","1","5","9","1") = "8"
    & skf18("2","7","4","1","5","10","1") = "9"
    & skf18("2","7","4","1","6","1","1") = "6"
    & skf18("2","7","4","1","6","2","1") = "6"
    & skf18("2","7","4","1","6","3","1") = "6"
    & skf18("2","7","4","1","6","4","1") = "6"
    & skf18("2","7","4","1","6","5","1") = "6"
    & skf18("2","7","4","1","6","6","1") = "6"
    & skf18("2","7","4","1","6","7","1") = "6"
    & skf18("2","7","4","1","6","8","1") = "7"
    & skf18("2","7","4","1","6","9","1") = "8"
    & skf18("2","7","4","1","6","10","1") = "9"
    & skf18("2","7","4","1","7","1","1") = "6"
    & skf18("2","7","4","1","7","2","1") = "6"
    & skf18("2","7","4","1","7","3","1") = "6"
    & skf18("2","7","4","1","7","4","1") = "6"
    & skf18("2","7","4","1","7","5","1") = "6"
    & skf18("2","7","4","1","7","6","1") = "6"
    & skf18("2","7","4","1","7","7","1") = "6"
    & skf18("2","7","4","1","7","8","1") = "7"
    & skf18("2","7","4","1","7","9","1") = "8"
    & skf18("2","7","4","1","7","10","1") = "9"
    & skf18("2","7","4","1","8","1","1") = "7"
    & skf18("2","7","4","1","8","2","1") = "7"
    & skf18("2","7","4","1","8","3","1") = "7"
    & skf18("2","7","4","1","8","4","1") = "7"
    & skf18("2","7","4","1","8","5","1") = "7"
    & skf18("2","7","4","1","8","6","1") = "7"
    & skf18("2","7","4","1","8","7","1") = "7"
    & skf18("2","7","4","1","8","8","1") = "7"
    & skf18("2","7","4","1","8","9","1") = "8"
    & skf18("2","7","4","1","8","10","1") = "9"
    & skf18("2","7","4","1","9","1","1") = "8"
    & skf18("2","7","4","1","9","2","1") = "8"
    & skf18("2","7","4","1","9","3","1") = "8"
    & skf18("2","7","4","1","9","4","1") = "8"
    & skf18("2","7","4","1","9","5","1") = "8"
    & skf18("2","7","4","1","9","6","1") = "8"
    & skf18("2","7","4","1","9","7","1") = "8"
    & skf18("2","7","4","1","9","8","1") = "8"
    & skf18("2","7","4","1","9","9","1") = "8"
    & skf18("2","7","4","1","9","10","1") = "9"
    & skf18("2","7","4","1","10","1","1") = "9"
    & skf18("2","7","4","1","10","2","1") = "9"
    & skf18("2","7","4","1","10","3","1") = "9"
    & skf18("2","7","4","1","10","4","1") = "9"
    & skf18("2","7","4","1","10","5","1") = "9"
    & skf18("2","7","4","1","10","6","1") = "9"
    & skf18("2","7","4","1","10","7","1") = "9"
    & skf18("2","7","4","1","10","8","1") = "9"
    & skf18("2","7","4","1","10","9","1") = "9"
    & skf18("2","7","4","1","10","10","1") = "9"
    & skf18("2","7","4","2","1","1","1") = "6"
    & skf18("2","7","4","2","1","2","1") = "6"
    & skf18("2","7","4","2","1","3","1") = "6"
    & skf18("2","7","4","2","1","4","1") = "6"
    & skf18("2","7","4","2","1","5","1") = "6"
    & skf18("2","7","4","2","1","6","1") = "6"
    & skf18("2","7","4","2","1","7","1") = "6"
    & skf18("2","7","4","2","1","8","1") = "7"
    & skf18("2","7","4","2","1","9","1") = "8"
    & skf18("2","7","4","2","1","10","1") = "9"
    & skf18("2","7","4","2","2","1","1") = "6"
    & skf18("2","7","4","2","2","2","1") = "6"
    & skf18("2","7","4","2","2","3","1") = "6"
    & skf18("2","7","4","2","2","4","1") = "6"
    & skf18("2","7","4","2","2","5","1") = "6"
    & skf18("2","7","4","2","2","6","1") = "6"
    & skf18("2","7","4","2","2","7","1") = "6"
    & skf18("2","7","4","2","2","8","1") = "7"
    & skf18("2","7","4","2","2","9","1") = "8"
    & skf18("2","7","4","2","2","10","1") = "9"
    & skf18("2","7","4","2","3","1","1") = "6"
    & skf18("2","7","4","2","3","2","1") = "6"
    & skf18("2","7","4","2","3","3","1") = "6"
    & skf18("2","7","4","2","3","4","1") = "6"
    & skf18("2","7","4","2","3","5","1") = "6"
    & skf18("2","7","4","2","3","6","1") = "6"
    & skf18("2","7","4","2","3","7","1") = "6"
    & skf18("2","7","4","2","3","8","1") = "7"
    & skf18("2","7","4","2","3","9","1") = "8"
    & skf18("2","7","4","2","3","10","1") = "9"
    & skf18("2","7","4","2","4","1","1") = "6"
    & skf18("2","7","4","2","4","2","1") = "6"
    & skf18("2","7","4","2","4","3","1") = "6"
    & skf18("2","7","4","2","4","4","1") = "6"
    & skf18("2","7","4","2","4","5","1") = "6"
    & skf18("2","7","4","2","4","6","1") = "6"
    & skf18("2","7","4","2","4","7","1") = "6"
    & skf18("2","7","4","2","4","8","1") = "7"
    & skf18("2","7","4","2","4","9","1") = "8"
    & skf18("2","7","4","2","4","10","1") = "9"
    & skf18("2","7","4","2","5","1","1") = "6"
    & skf18("2","7","4","2","5","2","1") = "6"
    & skf18("2","7","4","2","5","3","1") = "6"
    & skf18("2","7","4","2","5","4","1") = "6"
    & skf18("2","7","4","2","5","5","1") = "6"
    & skf18("2","7","4","2","5","6","1") = "6"
    & skf18("2","7","4","2","5","7","1") = "6"
    & skf18("2","7","4","2","5","8","1") = "7"
    & skf18("2","7","4","2","5","9","1") = "8"
    & skf18("2","7","4","2","5","10","1") = "9"
    & skf18("2","7","4","2","6","1","1") = "6"
    & skf18("2","7","4","2","6","2","1") = "6"
    & skf18("2","7","4","2","6","3","1") = "6"
    & skf18("2","7","4","2","6","4","1") = "6"
    & skf18("2","7","4","2","6","5","1") = "6"
    & skf18("2","7","4","2","6","6","1") = "6"
    & skf18("2","7","4","2","6","7","1") = "6"
    & skf18("2","7","4","2","6","8","1") = "7"
    & skf18("2","7","4","2","6","9","1") = "8"
    & skf18("2","7","4","2","6","10","1") = "9"
    & skf18("2","7","4","2","7","1","1") = "6"
    & skf18("2","7","4","2","7","2","1") = "6"
    & skf18("2","7","4","2","7","3","1") = "6"
    & skf18("2","7","4","2","7","4","1") = "6"
    & skf18("2","7","4","2","7","5","1") = "6"
    & skf18("2","7","4","2","7","6","1") = "6"
    & skf18("2","7","4","2","7","7","1") = "6"
    & skf18("2","7","4","2","7","8","1") = "7"
    & skf18("2","7","4","2","7","9","1") = "8"
    & skf18("2","7","4","2","7","10","1") = "9"
    & skf18("2","7","4","2","8","1","1") = "7"
    & skf18("2","7","4","2","8","2","1") = "7"
    & skf18("2","7","4","2","8","3","1") = "7"
    & skf18("2","7","4","2","8","4","1") = "7"
    & skf18("2","7","4","2","8","5","1") = "7"
    & skf18("2","7","4","2","8","6","1") = "7"
    & skf18("2","7","4","2","8","7","1") = "7"
    & skf18("2","7","4","2","8","8","1") = "7"
    & skf18("2","7","4","2","8","9","1") = "8"
    & skf18("2","7","4","2","8","10","1") = "9"
    & skf18("2","7","4","2","9","1","1") = "8"
    & skf18("2","7","4","2","9","2","1") = "8"
    & skf18("2","7","4","2","9","3","1") = "8"
    & skf18("2","7","4","2","9","4","1") = "8"
    & skf18("2","7","4","2","9","5","1") = "8"
    & skf18("2","7","4","2","9","6","1") = "8"
    & skf18("2","7","4","2","9","7","1") = "8"
    & skf18("2","7","4","2","9","8","1") = "8"
    & skf18("2","7","4","2","9","9","1") = "8"
    & skf18("2","7","4","2","9","10","1") = "9"
    & skf18("2","7","4","2","10","1","1") = "9"
    & skf18("2","7","4","2","10","2","1") = "9"
    & skf18("2","7","4","2","10","3","1") = "9"
    & skf18("2","7","4","2","10","4","1") = "9"
    & skf18("2","7","4","2","10","5","1") = "9"
    & skf18("2","7","4","2","10","6","1") = "9"
    & skf18("2","7","4","2","10","7","1") = "9"
    & skf18("2","7","4","2","10","8","1") = "9"
    & skf18("2","7","4","2","10","9","1") = "9"
    & skf18("2","7","4","2","10","10","1") = "9"
    & skf18("2","7","4","3","1","1","1") = "6"
    & skf18("2","7","4","3","1","2","1") = "6"
    & skf18("2","7","4","3","1","3","1") = "6"
    & skf18("2","7","4","3","1","4","1") = "6"
    & skf18("2","7","4","3","1","5","1") = "6"
    & skf18("2","7","4","3","1","6","1") = "6"
    & skf18("2","7","4","3","1","7","1") = "6"
    & skf18("2","7","4","3","1","8","1") = "7"
    & skf18("2","7","4","3","1","9","1") = "8"
    & skf18("2","7","4","3","1","10","1") = "9"
    & skf18("2","7","4","3","2","1","1") = "6"
    & skf18("2","7","4","3","2","2","1") = "6"
    & skf18("2","7","4","3","2","3","1") = "6"
    & skf18("2","7","4","3","2","4","1") = "6"
    & skf18("2","7","4","3","2","5","1") = "6"
    & skf18("2","7","4","3","2","6","1") = "6"
    & skf18("2","7","4","3","2","7","1") = "6"
    & skf18("2","7","4","3","2","8","1") = "7"
    & skf18("2","7","4","3","2","9","1") = "8"
    & skf18("2","7","4","3","2","10","1") = "9"
    & skf18("2","7","4","3","3","1","1") = "6"
    & skf18("2","7","4","3","3","2","1") = "6"
    & skf18("2","7","4","3","3","3","1") = "6"
    & skf18("2","7","4","3","3","4","1") = "6"
    & skf18("2","7","4","3","3","5","1") = "6"
    & skf18("2","7","4","3","3","6","1") = "6"
    & skf18("2","7","4","3","3","7","1") = "6"
    & skf18("2","7","4","3","3","8","1") = "7"
    & skf18("2","7","4","3","3","9","1") = "8"
    & skf18("2","7","4","3","3","10","1") = "9"
    & skf18("2","7","4","3","4","1","1") = "6"
    & skf18("2","7","4","3","4","2","1") = "6"
    & skf18("2","7","4","3","4","3","1") = "6"
    & skf18("2","7","4","3","4","4","1") = "6"
    & skf18("2","7","4","3","4","5","1") = "6"
    & skf18("2","7","4","3","4","6","1") = "6"
    & skf18("2","7","4","3","4","7","1") = "6"
    & skf18("2","7","4","3","4","8","1") = "7"
    & skf18("2","7","4","3","4","9","1") = "8"
    & skf18("2","7","4","3","4","10","1") = "9"
    & skf18("2","7","4","3","5","1","1") = "6"
    & skf18("2","7","4","3","5","2","1") = "6"
    & skf18("2","7","4","3","5","3","1") = "6"
    & skf18("2","7","4","3","5","4","1") = "6"
    & skf18("2","7","4","3","5","5","1") = "6"
    & skf18("2","7","4","3","5","6","1") = "6"
    & skf18("2","7","4","3","5","7","1") = "6"
    & skf18("2","7","4","3","5","8","1") = "7"
    & skf18("2","7","4","3","5","9","1") = "8"
    & skf18("2","7","4","3","5","10","1") = "9"
    & skf18("2","7","4","3","6","1","1") = "6"
    & skf18("2","7","4","3","6","2","1") = "6"
    & skf18("2","7","4","3","6","3","1") = "6"
    & skf18("2","7","4","3","6","4","1") = "6"
    & skf18("2","7","4","3","6","5","1") = "6"
    & skf18("2","7","4","3","6","6","1") = "6"
    & skf18("2","7","4","3","6","7","1") = "6"
    & skf18("2","7","4","3","6","8","1") = "7"
    & skf18("2","7","4","3","6","9","1") = "8"
    & skf18("2","7","4","3","6","10","1") = "9"
    & skf18("2","7","4","3","7","1","1") = "6"
    & skf18("2","7","4","3","7","2","1") = "6"
    & skf18("2","7","4","3","7","3","1") = "6"
    & skf18("2","7","4","3","7","4","1") = "6"
    & skf18("2","7","4","3","7","5","1") = "6"
    & skf18("2","7","4","3","7","6","1") = "6"
    & skf18("2","7","4","3","7","7","1") = "6"
    & skf18("2","7","4","3","7","8","1") = "7"
    & skf18("2","7","4","3","7","9","1") = "8"
    & skf18("2","7","4","3","7","10","1") = "9"
    & skf18("2","7","4","3","8","1","1") = "7"
    & skf18("2","7","4","3","8","2","1") = "7"
    & skf18("2","7","4","3","8","3","1") = "7"
    & skf18("2","7","4","3","8","4","1") = "7"
    & skf18("2","7","4","3","8","5","1") = "7"
    & skf18("2","7","4","3","8","6","1") = "7"
    & skf18("2","7","4","3","8","7","1") = "7"
    & skf18("2","7","4","3","8","8","1") = "7"
    & skf18("2","7","4","3","8","9","1") = "8"
    & skf18("2","7","4","3","8","10","1") = "9"
    & skf18("2","7","4","3","9","1","1") = "8"
    & skf18("2","7","4","3","9","2","1") = "8"
    & skf18("2","7","4","3","9","3","1") = "8"
    & skf18("2","7","4","3","9","4","1") = "8"
    & skf18("2","7","4","3","9","5","1") = "8"
    & skf18("2","7","4","3","9","6","1") = "8"
    & skf18("2","7","4","3","9","7","1") = "8"
    & skf18("2","7","4","3","9","8","1") = "8"
    & skf18("2","7","4","3","9","9","1") = "8"
    & skf18("2","7","4","3","9","10","1") = "9"
    & skf18("2","7","4","3","10","1","1") = "9"
    & skf18("2","7","4","3","10","2","1") = "9"
    & skf18("2","7","4","3","10","3","1") = "9"
    & skf18("2","7","4","3","10","4","1") = "9"
    & skf18("2","7","4","3","10","5","1") = "9"
    & skf18("2","7","4","3","10","6","1") = "9"
    & skf18("2","7","4","3","10","7","1") = "9"
    & skf18("2","7","4","3","10","8","1") = "9"
    & skf18("2","7","4","3","10","9","1") = "9"
    & skf18("2","7","4","3","10","10","1") = "9"
    & skf18("2","7","4","4","1","1","1") = "6"
    & skf18("2","7","4","4","1","2","1") = "6"
    & skf18("2","7","4","4","1","3","1") = "6"
    & skf18("2","7","4","4","1","4","1") = "6"
    & skf18("2","7","4","4","1","5","1") = "6"
    & skf18("2","7","4","4","1","6","1") = "6"
    & skf18("2","7","4","4","1","7","1") = "6"
    & skf18("2","7","4","4","1","8","1") = "7"
    & skf18("2","7","4","4","1","9","1") = "8"
    & skf18("2","7","4","4","1","10","1") = "9"
    & skf18("2","7","4","4","2","1","1") = "6"
    & skf18("2","7","4","4","2","2","1") = "6"
    & skf18("2","7","4","4","2","3","1") = "6"
    & skf18("2","7","4","4","2","4","1") = "6"
    & skf18("2","7","4","4","2","5","1") = "6"
    & skf18("2","7","4","4","2","6","1") = "6"
    & skf18("2","7","4","4","2","7","1") = "6"
    & skf18("2","7","4","4","2","8","1") = "7"
    & skf18("2","7","4","4","2","9","1") = "8"
    & skf18("2","7","4","4","2","10","1") = "9"
    & skf18("2","7","4","4","3","1","1") = "6"
    & skf18("2","7","4","4","3","2","1") = "6"
    & skf18("2","7","4","4","3","3","1") = "6"
    & skf18("2","7","4","4","3","4","1") = "6"
    & skf18("2","7","4","4","3","5","1") = "6"
    & skf18("2","7","4","4","3","6","1") = "6"
    & skf18("2","7","4","4","3","7","1") = "6"
    & skf18("2","7","4","4","3","8","1") = "7"
    & skf18("2","7","4","4","3","9","1") = "8"
    & skf18("2","7","4","4","3","10","1") = "9"
    & skf18("2","7","4","4","4","1","1") = "6"
    & skf18("2","7","4","4","4","2","1") = "6"
    & skf18("2","7","4","4","4","3","1") = "6"
    & skf18("2","7","4","4","4","4","1") = "6"
    & skf18("2","7","4","4","4","5","1") = "6"
    & skf18("2","7","4","4","4","6","1") = "6"
    & skf18("2","7","4","4","4","7","1") = "6"
    & skf18("2","7","4","4","4","8","1") = "7"
    & skf18("2","7","4","4","4","9","1") = "8"
    & skf18("2","7","4","4","4","10","1") = "9"
    & skf18("2","7","4","4","5","1","1") = "6"
    & skf18("2","7","4","4","5","2","1") = "6"
    & skf18("2","7","4","4","5","3","1") = "6"
    & skf18("2","7","4","4","5","4","1") = "6"
    & skf18("2","7","4","4","5","5","1") = "6"
    & skf18("2","7","4","4","5","6","1") = "6"
    & skf18("2","7","4","4","5","7","1") = "6"
    & skf18("2","7","4","4","5","8","1") = "7"
    & skf18("2","7","4","4","5","9","1") = "8"
    & skf18("2","7","4","4","5","10","1") = "9"
    & skf18("2","7","4","4","6","1","1") = "6"
    & skf18("2","7","4","4","6","2","1") = "6"
    & skf18("2","7","4","4","6","3","1") = "6"
    & skf18("2","7","4","4","6","4","1") = "6"
    & skf18("2","7","4","4","6","5","1") = "6"
    & skf18("2","7","4","4","6","6","1") = "6"
    & skf18("2","7","4","4","6","7","1") = "6"
    & skf18("2","7","4","4","6","8","1") = "7"
    & skf18("2","7","4","4","6","9","1") = "8"
    & skf18("2","7","4","4","6","10","1") = "9"
    & skf18("2","7","4","4","7","1","1") = "6"
    & skf18("2","7","4","4","7","2","1") = "6"
    & skf18("2","7","4","4","7","3","1") = "6"
    & skf18("2","7","4","4","7","4","1") = "6"
    & skf18("2","7","4","4","7","5","1") = "6"
    & skf18("2","7","4","4","7","6","1") = "6"
    & skf18("2","7","4","4","7","7","1") = "6"
    & skf18("2","7","4","4","7","8","1") = "7"
    & skf18("2","7","4","4","7","9","1") = "8"
    & skf18("2","7","4","4","7","10","1") = "9"
    & skf18("2","7","4","4","8","1","1") = "7"
    & skf18("2","7","4","4","8","2","1") = "7"
    & skf18("2","7","4","4","8","3","1") = "7"
    & skf18("2","7","4","4","8","4","1") = "7"
    & skf18("2","7","4","4","8","5","1") = "7"
    & skf18("2","7","4","4","8","6","1") = "7"
    & skf18("2","7","4","4","8","7","1") = "7"
    & skf18("2","7","4","4","8","8","1") = "7"
    & skf18("2","7","4","4","8","9","1") = "8"
    & skf18("2","7","4","4","8","10","1") = "9"
    & skf18("2","7","4","4","9","1","1") = "8"
    & skf18("2","7","4","4","9","2","1") = "8"
    & skf18("2","7","4","4","9","3","1") = "8"
    & skf18("2","7","4","4","9","4","1") = "8"
    & skf18("2","7","4","4","9","5","1") = "8"
    & skf18("2","7","4","4","9","6","1") = "8"
    & skf18("2","7","4","4","9","7","1") = "8"
    & skf18("2","7","4","4","9","8","1") = "8"
    & skf18("2","7","4","4","9","9","1") = "8"
    & skf18("2","7","4","4","9","10","1") = "9"
    & skf18("2","7","4","4","10","1","1") = "9"
    & skf18("2","7","4","4","10","2","1") = "9"
    & skf18("2","7","4","4","10","3","1") = "9"
    & skf18("2","7","4","4","10","4","1") = "9"
    & skf18("2","7","4","4","10","5","1") = "9"
    & skf18("2","7","4","4","10","6","1") = "9"
    & skf18("2","7","4","4","10","7","1") = "9"
    & skf18("2","7","4","4","10","8","1") = "9"
    & skf18("2","7","4","4","10","9","1") = "9"
    & skf18("2","7","4","4","10","10","1") = "9"
    & skf18("2","7","4","5","1","1","1") = "6"
    & skf18("2","7","4","5","1","2","1") = "6"
    & skf18("2","7","4","5","1","3","1") = "6"
    & skf18("2","7","4","5","1","4","1") = "6"
    & skf18("2","7","4","5","1","5","1") = "6"
    & skf18("2","7","4","5","1","6","1") = "6"
    & skf18("2","7","4","5","1","7","1") = "6"
    & skf18("2","7","4","5","1","8","1") = "7"
    & skf18("2","7","4","5","1","9","1") = "8"
    & skf18("2","7","4","5","1","10","1") = "9"
    & skf18("2","7","4","5","2","1","1") = "6"
    & skf18("2","7","4","5","2","2","1") = "6"
    & skf18("2","7","4","5","2","3","1") = "6"
    & skf18("2","7","4","5","2","4","1") = "6"
    & skf18("2","7","4","5","2","5","1") = "6"
    & skf18("2","7","4","5","2","6","1") = "6"
    & skf18("2","7","4","5","2","7","1") = "6"
    & skf18("2","7","4","5","2","8","1") = "7"
    & skf18("2","7","4","5","2","9","1") = "8"
    & skf18("2","7","4","5","2","10","1") = "9"
    & skf18("2","7","4","5","3","1","1") = "6"
    & skf18("2","7","4","5","3","2","1") = "6"
    & skf18("2","7","4","5","3","3","1") = "6"
    & skf18("2","7","4","5","3","4","1") = "6"
    & skf18("2","7","4","5","3","5","1") = "6"
    & skf18("2","7","4","5","3","6","1") = "6"
    & skf18("2","7","4","5","3","7","1") = "6"
    & skf18("2","7","4","5","3","8","1") = "7"
    & skf18("2","7","4","5","3","9","1") = "8"
    & skf18("2","7","4","5","3","10","1") = "9"
    & skf18("2","7","4","5","4","1","1") = "6"
    & skf18("2","7","4","5","4","2","1") = "6"
    & skf18("2","7","4","5","4","3","1") = "6"
    & skf18("2","7","4","5","4","4","1") = "6"
    & skf18("2","7","4","5","4","5","1") = "6"
    & skf18("2","7","4","5","4","6","1") = "6"
    & skf18("2","7","4","5","4","7","1") = "6"
    & skf18("2","7","4","5","4","8","1") = "7"
    & skf18("2","7","4","5","4","9","1") = "8"
    & skf18("2","7","4","5","4","10","1") = "9"
    & skf18("2","7","4","5","5","1","1") = "6"
    & skf18("2","7","4","5","5","2","1") = "6"
    & skf18("2","7","4","5","5","3","1") = "6"
    & skf18("2","7","4","5","5","4","1") = "6"
    & skf18("2","7","4","5","5","5","1") = "6"
    & skf18("2","7","4","5","5","6","1") = "6"
    & skf18("2","7","4","5","5","7","1") = "6"
    & skf18("2","7","4","5","5","8","1") = "7"
    & skf18("2","7","4","5","5","9","1") = "8"
    & skf18("2","7","4","5","5","10","1") = "9"
    & skf18("2","7","4","5","6","1","1") = "6"
    & skf18("2","7","4","5","6","2","1") = "6"
    & skf18("2","7","4","5","6","3","1") = "6"
    & skf18("2","7","4","5","6","4","1") = "6"
    & skf18("2","7","4","5","6","5","1") = "6"
    & skf18("2","7","4","5","6","6","1") = "6"
    & skf18("2","7","4","5","6","7","1") = "6"
    & skf18("2","7","4","5","6","8","1") = "7"
    & skf18("2","7","4","5","6","9","1") = "8"
    & skf18("2","7","4","5","6","10","1") = "9"
    & skf18("2","7","4","5","7","1","1") = "6"
    & skf18("2","7","4","5","7","2","1") = "6"
    & skf18("2","7","4","5","7","3","1") = "6"
    & skf18("2","7","4","5","7","4","1") = "6"
    & skf18("2","7","4","5","7","5","1") = "6"
    & skf18("2","7","4","5","7","6","1") = "6"
    & skf18("2","7","4","5","7","7","1") = "6"
    & skf18("2","7","4","5","7","8","1") = "7"
    & skf18("2","7","4","5","7","9","1") = "8"
    & skf18("2","7","4","5","7","10","1") = "9"
    & skf18("2","7","4","5","8","1","1") = "7"
    & skf18("2","7","4","5","8","2","1") = "7"
    & skf18("2","7","4","5","8","3","1") = "7"
    & skf18("2","7","4","5","8","4","1") = "7"
    & skf18("2","7","4","5","8","5","1") = "7"
    & skf18("2","7","4","5","8","6","1") = "7"
    & skf18("2","7","4","5","8","7","1") = "7"
    & skf18("2","7","4","5","8","8","1") = "7"
    & skf18("2","7","4","5","8","9","1") = "8"
    & skf18("2","7","4","5","8","10","1") = "9"
    & skf18("2","7","4","5","9","1","1") = "8"
    & skf18("2","7","4","5","9","2","1") = "8"
    & skf18("2","7","4","5","9","3","1") = "8"
    & skf18("2","7","4","5","9","4","1") = "8"
    & skf18("2","7","4","5","9","5","1") = "8"
    & skf18("2","7","4","5","9","6","1") = "8"
    & skf18("2","7","4","5","9","7","1") = "8"
    & skf18("2","7","4","5","9","8","1") = "8"
    & skf18("2","7","4","5","9","9","1") = "8"
    & skf18("2","7","4","5","9","10","1") = "9"
    & skf18("2","7","4","5","10","1","1") = "9"
    & skf18("2","7","4","5","10","2","1") = "9"
    & skf18("2","7","4","5","10","3","1") = "9"
    & skf18("2","7","4","5","10","4","1") = "9"
    & skf18("2","7","4","5","10","5","1") = "9"
    & skf18("2","7","4","5","10","6","1") = "9"
    & skf18("2","7","4","5","10","7","1") = "9"
    & skf18("2","7","4","5","10","8","1") = "9"
    & skf18("2","7","4","5","10","9","1") = "9"
    & skf18("2","7","4","5","10","10","1") = "9"
    & skf18("2","7","4","6","1","1","1") = "6"
    & skf18("2","7","4","6","1","2","1") = "6"
    & skf18("2","7","4","6","1","3","1") = "6"
    & skf18("2","7","4","6","1","4","1") = "6"
    & skf18("2","7","4","6","1","5","1") = "6"
    & skf18("2","7","4","6","1","6","1") = "6"
    & skf18("2","7","4","6","1","7","1") = "6"
    & skf18("2","7","4","6","1","8","1") = "7"
    & skf18("2","7","4","6","1","9","1") = "8"
    & skf18("2","7","4","6","1","10","1") = "9"
    & skf18("2","7","4","6","2","1","1") = "6"
    & skf18("2","7","4","6","2","2","1") = "6"
    & skf18("2","7","4","6","2","3","1") = "6"
    & skf18("2","7","4","6","2","4","1") = "6"
    & skf18("2","7","4","6","2","5","1") = "6"
    & skf18("2","7","4","6","2","6","1") = "6"
    & skf18("2","7","4","6","2","7","1") = "6"
    & skf18("2","7","4","6","2","8","1") = "7"
    & skf18("2","7","4","6","2","9","1") = "8"
    & skf18("2","7","4","6","2","10","1") = "9"
    & skf18("2","7","4","6","3","1","1") = "6"
    & skf18("2","7","4","6","3","2","1") = "6"
    & skf18("2","7","4","6","3","3","1") = "6"
    & skf18("2","7","4","6","3","4","1") = "6"
    & skf18("2","7","4","6","3","5","1") = "6"
    & skf18("2","7","4","6","3","6","1") = "6"
    & skf18("2","7","4","6","3","7","1") = "6"
    & skf18("2","7","4","6","3","8","1") = "7"
    & skf18("2","7","4","6","3","9","1") = "8"
    & skf18("2","7","4","6","3","10","1") = "9"
    & skf18("2","7","4","6","4","1","1") = "6"
    & skf18("2","7","4","6","4","2","1") = "6"
    & skf18("2","7","4","6","4","3","1") = "6"
    & skf18("2","7","4","6","4","4","1") = "6"
    & skf18("2","7","4","6","4","5","1") = "6"
    & skf18("2","7","4","6","4","6","1") = "6"
    & skf18("2","7","4","6","4","7","1") = "6"
    & skf18("2","7","4","6","4","8","1") = "7"
    & skf18("2","7","4","6","4","9","1") = "8"
    & skf18("2","7","4","6","4","10","1") = "9"
    & skf18("2","7","4","6","5","1","1") = "6"
    & skf18("2","7","4","6","5","2","1") = "6"
    & skf18("2","7","4","6","5","3","1") = "6"
    & skf18("2","7","4","6","5","4","1") = "6"
    & skf18("2","7","4","6","5","5","1") = "6"
    & skf18("2","7","4","6","5","6","1") = "6"
    & skf18("2","7","4","6","5","7","1") = "6"
    & skf18("2","7","4","6","5","8","1") = "7"
    & skf18("2","7","4","6","5","9","1") = "8"
    & skf18("2","7","4","6","5","10","1") = "9"
    & skf18("2","7","4","6","6","1","1") = "6"
    & skf18("2","7","4","6","6","2","1") = "6"
    & skf18("2","7","4","6","6","3","1") = "6"
    & skf18("2","7","4","6","6","4","1") = "6"
    & skf18("2","7","4","6","6","5","1") = "6"
    & skf18("2","7","4","6","6","6","1") = "6"
    & skf18("2","7","4","6","6","7","1") = "6"
    & skf18("2","7","4","6","6","8","1") = "7"
    & skf18("2","7","4","6","6","9","1") = "8"
    & skf18("2","7","4","6","6","10","1") = "9"
    & skf18("2","7","4","6","7","1","1") = "6"
    & skf18("2","7","4","6","7","2","1") = "6"
    & skf18("2","7","4","6","7","3","1") = "6"
    & skf18("2","7","4","6","7","4","1") = "6"
    & skf18("2","7","4","6","7","5","1") = "6"
    & skf18("2","7","4","6","7","6","1") = "6"
    & skf18("2","7","4","6","7","7","1") = "6"
    & skf18("2","7","4","6","7","8","1") = "7"
    & skf18("2","7","4","6","7","9","1") = "8"
    & skf18("2","7","4","6","7","10","1") = "9"
    & skf18("2","7","4","6","8","1","1") = "7"
    & skf18("2","7","4","6","8","2","1") = "7"
    & skf18("2","7","4","6","8","3","1") = "7"
    & skf18("2","7","4","6","8","4","1") = "7"
    & skf18("2","7","4","6","8","5","1") = "7"
    & skf18("2","7","4","6","8","6","1") = "7"
    & skf18("2","7","4","6","8","7","1") = "7"
    & skf18("2","7","4","6","8","8","1") = "7"
    & skf18("2","7","4","6","8","9","1") = "8"
    & skf18("2","7","4","6","8","10","1") = "9"
    & skf18("2","7","4","6","9","1","1") = "8"
    & skf18("2","7","4","6","9","2","1") = "8"
    & skf18("2","7","4","6","9","3","1") = "8"
    & skf18("2","7","4","6","9","4","1") = "8"
    & skf18("2","7","4","6","9","5","1") = "8"
    & skf18("2","7","4","6","9","6","1") = "8"
    & skf18("2","7","4","6","9","7","1") = "8"
    & skf18("2","7","4","6","9","8","1") = "8"
    & skf18("2","7","4","6","9","9","1") = "8"
    & skf18("2","7","4","6","9","10","1") = "9"
    & skf18("2","7","4","6","10","1","1") = "9"
    & skf18("2","7","4","6","10","2","1") = "9"
    & skf18("2","7","4","6","10","3","1") = "9"
    & skf18("2","7","4","6","10","4","1") = "9"
    & skf18("2","7","4","6","10","5","1") = "9"
    & skf18("2","7","4","6","10","6","1") = "9"
    & skf18("2","7","4","6","10","7","1") = "9"
    & skf18("2","7","4","6","10","8","1") = "9"
    & skf18("2","7","4","6","10","9","1") = "9"
    & skf18("2","7","4","6","10","10","1") = "9"
    & skf18("2","7","4","7","1","1","1") = "6"
    & skf18("2","7","4","7","1","2","1") = "6"
    & skf18("2","7","4","7","1","3","1") = "6"
    & skf18("2","7","4","7","1","4","1") = "6"
    & skf18("2","7","4","7","1","5","1") = "6"
    & skf18("2","7","4","7","1","6","1") = "6"
    & skf18("2","7","4","7","1","7","1") = "6"
    & skf18("2","7","4","7","1","8","1") = "7"
    & skf18("2","7","4","7","1","9","1") = "8"
    & skf18("2","7","4","7","1","10","1") = "9"
    & skf18("2","7","4","7","2","1","1") = "6"
    & skf18("2","7","4","7","2","2","1") = "6"
    & skf18("2","7","4","7","2","3","1") = "6"
    & skf18("2","7","4","7","2","4","1") = "6"
    & skf18("2","7","4","7","2","5","1") = "6"
    & skf18("2","7","4","7","2","6","1") = "6"
    & skf18("2","7","4","7","2","7","1") = "6"
    & skf18("2","7","4","7","2","8","1") = "7"
    & skf18("2","7","4","7","2","9","1") = "8"
    & skf18("2","7","4","7","2","10","1") = "9"
    & skf18("2","7","4","7","3","1","1") = "6"
    & skf18("2","7","4","7","3","2","1") = "6"
    & skf18("2","7","4","7","3","3","1") = "6"
    & skf18("2","7","4","7","3","4","1") = "6"
    & skf18("2","7","4","7","3","5","1") = "6"
    & skf18("2","7","4","7","3","6","1") = "6"
    & skf18("2","7","4","7","3","7","1") = "6"
    & skf18("2","7","4","7","3","8","1") = "7"
    & skf18("2","7","4","7","3","9","1") = "8"
    & skf18("2","7","4","7","3","10","1") = "9"
    & skf18("2","7","4","7","4","1","1") = "6"
    & skf18("2","7","4","7","4","2","1") = "6"
    & skf18("2","7","4","7","4","3","1") = "6"
    & skf18("2","7","4","7","4","4","1") = "6"
    & skf18("2","7","4","7","4","5","1") = "6"
    & skf18("2","7","4","7","4","6","1") = "6"
    & skf18("2","7","4","7","4","7","1") = "6"
    & skf18("2","7","4","7","4","8","1") = "7"
    & skf18("2","7","4","7","4","9","1") = "8"
    & skf18("2","7","4","7","4","10","1") = "9"
    & skf18("2","7","4","7","5","1","1") = "6"
    & skf18("2","7","4","7","5","2","1") = "6"
    & skf18("2","7","4","7","5","3","1") = "6"
    & skf18("2","7","4","7","5","4","1") = "6"
    & skf18("2","7","4","7","5","5","1") = "6"
    & skf18("2","7","4","7","5","6","1") = "6"
    & skf18("2","7","4","7","5","7","1") = "6"
    & skf18("2","7","4","7","5","8","1") = "7"
    & skf18("2","7","4","7","5","9","1") = "8"
    & skf18("2","7","4","7","5","10","1") = "9"
    & skf18("2","7","4","7","6","1","1") = "6"
    & skf18("2","7","4","7","6","2","1") = "6"
    & skf18("2","7","4","7","6","3","1") = "6"
    & skf18("2","7","4","7","6","4","1") = "6"
    & skf18("2","7","4","7","6","5","1") = "6"
    & skf18("2","7","4","7","6","6","1") = "6"
    & skf18("2","7","4","7","6","7","1") = "6"
    & skf18("2","7","4","7","6","8","1") = "7"
    & skf18("2","7","4","7","6","9","1") = "8"
    & skf18("2","7","4","7","6","10","1") = "9"
    & skf18("2","7","4","7","7","1","1") = "6"
    & skf18("2","7","4","7","7","2","1") = "6"
    & skf18("2","7","4","7","7","3","1") = "6"
    & skf18("2","7","4","7","7","4","1") = "6"
    & skf18("2","7","4","7","7","5","1") = "6"
    & skf18("2","7","4","7","7","6","1") = "6"
    & skf18("2","7","4","7","7","7","1") = "6"
    & skf18("2","7","4","7","7","8","1") = "7"
    & skf18("2","7","4","7","7","9","1") = "8"
    & skf18("2","7","4","7","7","10","1") = "9"
    & skf18("2","7","4","7","8","1","1") = "7"
    & skf18("2","7","4","7","8","2","1") = "7"
    & skf18("2","7","4","7","8","3","1") = "7"
    & skf18("2","7","4","7","8","4","1") = "7"
    & skf18("2","7","4","7","8","5","1") = "7"
    & skf18("2","7","4","7","8","6","1") = "7"
    & skf18("2","7","4","7","8","7","1") = "7"
    & skf18("2","7","4","7","8","8","1") = "7"
    & skf18("2","7","4","7","8","9","1") = "8"
    & skf18("2","7","4","7","8","10","1") = "9"
    & skf18("2","7","4","7","9","1","1") = "8"
    & skf18("2","7","4","7","9","2","1") = "8"
    & skf18("2","7","4","7","9","3","1") = "8"
    & skf18("2","7","4","7","9","4","1") = "8"
    & skf18("2","7","4","7","9","5","1") = "8"
    & skf18("2","7","4","7","9","6","1") = "8"
    & skf18("2","7","4","7","9","7","1") = "8"
    & skf18("2","7","4","7","9","8","1") = "8"
    & skf18("2","7","4","7","9","9","1") = "8"
    & skf18("2","7","4","7","9","10","1") = "9"
    & skf18("2","7","4","7","10","1","1") = "9"
    & skf18("2","7","4","7","10","2","1") = "9"
    & skf18("2","7","4","7","10","3","1") = "9"
    & skf18("2","7","4","7","10","4","1") = "9"
    & skf18("2","7","4","7","10","5","1") = "9"
    & skf18("2","7","4","7","10","6","1") = "9"
    & skf18("2","7","4","7","10","7","1") = "9"
    & skf18("2","7","4","7","10","8","1") = "9"
    & skf18("2","7","4","7","10","9","1") = "9"
    & skf18("2","7","4","7","10","10","1") = "9"
    & skf18("2","7","4","8","1","1","1") = "7"
    & skf18("2","7","4","8","1","2","1") = "7"
    & skf18("2","7","4","8","1","3","1") = "7"
    & skf18("2","7","4","8","1","4","1") = "7"
    & skf18("2","7","4","8","1","5","1") = "7"
    & skf18("2","7","4","8","1","6","1") = "7"
    & skf18("2","7","4","8","1","7","1") = "7"
    & skf18("2","7","4","8","1","8","1") = "7"
    & skf18("2","7","4","8","1","9","1") = "8"
    & skf18("2","7","4","8","1","10","1") = "9"
    & skf18("2","7","4","8","2","1","1") = "7"
    & skf18("2","7","4","8","2","2","1") = "7"
    & skf18("2","7","4","8","2","3","1") = "7"
    & skf18("2","7","4","8","2","4","1") = "7"
    & skf18("2","7","4","8","2","5","1") = "7"
    & skf18("2","7","4","8","2","6","1") = "7"
    & skf18("2","7","4","8","2","7","1") = "7"
    & skf18("2","7","4","8","2","8","1") = "7"
    & skf18("2","7","4","8","2","9","1") = "8"
    & skf18("2","7","4","8","2","10","1") = "9"
    & skf18("2","7","4","8","3","1","1") = "7"
    & skf18("2","7","4","8","3","2","1") = "7"
    & skf18("2","7","4","8","3","3","1") = "7"
    & skf18("2","7","4","8","3","4","1") = "7"
    & skf18("2","7","4","8","3","5","1") = "7"
    & skf18("2","7","4","8","3","6","1") = "7"
    & skf18("2","7","4","8","3","7","1") = "7"
    & skf18("2","7","4","8","3","8","1") = "7"
    & skf18("2","7","4","8","3","9","1") = "8"
    & skf18("2","7","4","8","3","10","1") = "9"
    & skf18("2","7","4","8","4","1","1") = "7"
    & skf18("2","7","4","8","4","2","1") = "7"
    & skf18("2","7","4","8","4","3","1") = "7"
    & skf18("2","7","4","8","4","4","1") = "7"
    & skf18("2","7","4","8","4","5","1") = "7"
    & skf18("2","7","4","8","4","6","1") = "7"
    & skf18("2","7","4","8","4","7","1") = "7"
    & skf18("2","7","4","8","4","8","1") = "7"
    & skf18("2","7","4","8","4","9","1") = "8"
    & skf18("2","7","4","8","4","10","1") = "9"
    & skf18("2","7","4","8","5","1","1") = "7"
    & skf18("2","7","4","8","5","2","1") = "7"
    & skf18("2","7","4","8","5","3","1") = "7"
    & skf18("2","7","4","8","5","4","1") = "7"
    & skf18("2","7","4","8","5","5","1") = "7"
    & skf18("2","7","4","8","5","6","1") = "7"
    & skf18("2","7","4","8","5","7","1") = "7"
    & skf18("2","7","4","8","5","8","1") = "7"
    & skf18("2","7","4","8","5","9","1") = "8"
    & skf18("2","7","4","8","5","10","1") = "9"
    & skf18("2","7","4","8","6","1","1") = "7"
    & skf18("2","7","4","8","6","2","1") = "7"
    & skf18("2","7","4","8","6","3","1") = "7"
    & skf18("2","7","4","8","6","4","1") = "7"
    & skf18("2","7","4","8","6","5","1") = "7"
    & skf18("2","7","4","8","6","6","1") = "7"
    & skf18("2","7","4","8","6","7","1") = "7"
    & skf18("2","7","4","8","6","8","1") = "7"
    & skf18("2","7","4","8","6","9","1") = "8"
    & skf18("2","7","4","8","6","10","1") = "9"
    & skf18("2","7","4","8","7","1","1") = "7"
    & skf18("2","7","4","8","7","2","1") = "7"
    & skf18("2","7","4","8","7","3","1") = "7"
    & skf18("2","7","4","8","7","4","1") = "7"
    & skf18("2","7","4","8","7","5","1") = "7"
    & skf18("2","7","4","8","7","6","1") = "7"
    & skf18("2","7","4","8","7","7","1") = "7"
    & skf18("2","7","4","8","7","8","1") = "7"
    & skf18("2","7","4","8","7","9","1") = "8"
    & skf18("2","7","4","8","7","10","1") = "9"
    & skf18("2","7","4","8","8","1","1") = "7"
    & skf18("2","7","4","8","8","2","1") = "7"
    & skf18("2","7","4","8","8","3","1") = "7"
    & skf18("2","7","4","8","8","4","1") = "7"
    & skf18("2","7","4","8","8","5","1") = "7"
    & skf18("2","7","4","8","8","6","1") = "7"
    & skf18("2","7","4","8","8","7","1") = "7"
    & skf18("2","7","4","8","8","8","1") = "7"
    & skf18("2","7","4","8","8","9","1") = "8"
    & skf18("2","7","4","8","8","10","1") = "9"
    & skf18("2","7","4","8","9","1","1") = "8"
    & skf18("2","7","4","8","9","2","1") = "8"
    & skf18("2","7","4","8","9","3","1") = "8"
    & skf18("2","7","4","8","9","4","1") = "8"
    & skf18("2","7","4","8","9","5","1") = "8"
    & skf18("2","7","4","8","9","6","1") = "8"
    & skf18("2","7","4","8","9","7","1") = "8"
    & skf18("2","7","4","8","9","8","1") = "8"
    & skf18("2","7","4","8","9","9","1") = "8"
    & skf18("2","7","4","8","9","10","1") = "9"
    & skf18("2","7","4","8","10","1","1") = "9"
    & skf18("2","7","4","8","10","2","1") = "9"
    & skf18("2","7","4","8","10","3","1") = "9"
    & skf18("2","7","4","8","10","4","1") = "9"
    & skf18("2","7","4","8","10","5","1") = "9"
    & skf18("2","7","4","8","10","6","1") = "9"
    & skf18("2","7","4","8","10","7","1") = "9"
    & skf18("2","7","4","8","10","8","1") = "9"
    & skf18("2","7","4","8","10","9","1") = "9"
    & skf18("2","7","4","8","10","10","1") = "9"
    & skf18("2","7","4","9","1","1","1") = "8"
    & skf18("2","7","4","9","1","2","1") = "8"
    & skf18("2","7","4","9","1","3","1") = "8"
    & skf18("2","7","4","9","1","4","1") = "8"
    & skf18("2","7","4","9","1","5","1") = "8"
    & skf18("2","7","4","9","1","6","1") = "8"
    & skf18("2","7","4","9","1","7","1") = "8"
    & skf18("2","7","4","9","1","8","1") = "8"
    & skf18("2","7","4","9","1","9","1") = "8"
    & skf18("2","7","4","9","1","10","1") = "9"
    & skf18("2","7","4","9","2","1","1") = "8"
    & skf18("2","7","4","9","2","2","1") = "8"
    & skf18("2","7","4","9","2","3","1") = "8"
    & skf18("2","7","4","9","2","4","1") = "8"
    & skf18("2","7","4","9","2","5","1") = "8"
    & skf18("2","7","4","9","2","6","1") = "8"
    & skf18("2","7","4","9","2","7","1") = "8"
    & skf18("2","7","4","9","2","8","1") = "8"
    & skf18("2","7","4","9","2","9","1") = "8"
    & skf18("2","7","4","9","2","10","1") = "9"
    & skf18("2","7","4","9","3","1","1") = "8"
    & skf18("2","7","4","9","3","2","1") = "8"
    & skf18("2","7","4","9","3","3","1") = "8"
    & skf18("2","7","4","9","3","4","1") = "8"
    & skf18("2","7","4","9","3","5","1") = "8"
    & skf18("2","7","4","9","3","6","1") = "8"
    & skf18("2","7","4","9","3","7","1") = "8"
    & skf18("2","7","4","9","3","8","1") = "8"
    & skf18("2","7","4","9","3","9","1") = "8"
    & skf18("2","7","4","9","3","10","1") = "9"
    & skf18("2","7","4","9","4","1","1") = "8"
    & skf18("2","7","4","9","4","2","1") = "8"
    & skf18("2","7","4","9","4","3","1") = "8"
    & skf18("2","7","4","9","4","4","1") = "8"
    & skf18("2","7","4","9","4","5","1") = "8"
    & skf18("2","7","4","9","4","6","1") = "8"
    & skf18("2","7","4","9","4","7","1") = "8"
    & skf18("2","7","4","9","4","8","1") = "8"
    & skf18("2","7","4","9","4","9","1") = "8"
    & skf18("2","7","4","9","4","10","1") = "9"
    & skf18("2","7","4","9","5","1","1") = "8"
    & skf18("2","7","4","9","5","2","1") = "8"
    & skf18("2","7","4","9","5","3","1") = "8"
    & skf18("2","7","4","9","5","4","1") = "8"
    & skf18("2","7","4","9","5","5","1") = "8"
    & skf18("2","7","4","9","5","6","1") = "8"
    & skf18("2","7","4","9","5","7","1") = "8"
    & skf18("2","7","4","9","5","8","1") = "8"
    & skf18("2","7","4","9","5","9","1") = "8"
    & skf18("2","7","4","9","5","10","1") = "9"
    & skf18("2","7","4","9","6","1","1") = "8"
    & skf18("2","7","4","9","6","2","1") = "8"
    & skf18("2","7","4","9","6","3","1") = "8"
    & skf18("2","7","4","9","6","4","1") = "8"
    & skf18("2","7","4","9","6","5","1") = "8"
    & skf18("2","7","4","9","6","6","1") = "8"
    & skf18("2","7","4","9","6","7","1") = "8"
    & skf18("2","7","4","9","6","8","1") = "8"
    & skf18("2","7","4","9","6","9","1") = "8"
    & skf18("2","7","4","9","6","10","1") = "9"
    & skf18("2","7","4","9","7","1","1") = "8"
    & skf18("2","7","4","9","7","2","1") = "8"
    & skf18("2","7","4","9","7","3","1") = "8"
    & skf18("2","7","4","9","7","4","1") = "8"
    & skf18("2","7","4","9","7","5","1") = "8"
    & skf18("2","7","4","9","7","6","1") = "8"
    & skf18("2","7","4","9","7","7","1") = "8"
    & skf18("2","7","4","9","7","8","1") = "8"
    & skf18("2","7","4","9","7","9","1") = "8"
    & skf18("2","7","4","9","7","10","1") = "9"
    & skf18("2","7","4","9","8","1","1") = "8"
    & skf18("2","7","4","9","8","2","1") = "8"
    & skf18("2","7","4","9","8","3","1") = "8"
    & skf18("2","7","4","9","8","4","1") = "8"
    & skf18("2","7","4","9","8","5","1") = "8"
    & skf18("2","7","4","9","8","6","1") = "8"
    & skf18("2","7","4","9","8","7","1") = "8"
    & skf18("2","7","4","9","8","8","1") = "8"
    & skf18("2","7","4","9","8","9","1") = "8"
    & skf18("2","7","4","9","8","10","1") = "9"
    & skf18("2","7","4","9","9","1","1") = "8"
    & skf18("2","7","4","9","9","2","1") = "8"
    & skf18("2","7","4","9","9","3","1") = "8"
    & skf18("2","7","4","9","9","4","1") = "8"
    & skf18("2","7","4","9","9","5","1") = "8"
    & skf18("2","7","4","9","9","6","1") = "8"
    & skf18("2","7","4","9","9","7","1") = "8"
    & skf18("2","7","4","9","9","8","1") = "8"
    & skf18("2","7","4","9","9","9","1") = "8"
    & skf18("2","7","4","9","9","10","1") = "9"
    & skf18("2","7","4","9","10","1","1") = "9"
    & skf18("2","7","4","9","10","2","1") = "9"
    & skf18("2","7","4","9","10","3","1") = "9"
    & skf18("2","7","4","9","10","4","1") = "9"
    & skf18("2","7","4","9","10","5","1") = "9"
    & skf18("2","7","4","9","10","6","1") = "9"
    & skf18("2","7","4","9","10","7","1") = "9"
    & skf18("2","7","4","9","10","8","1") = "9"
    & skf18("2","7","4","9","10","9","1") = "9"
    & skf18("2","7","4","9","10","10","1") = "9"
    & skf18("2","7","4","10","1","1","1") = "9"
    & skf18("2","7","4","10","1","2","1") = "9"
    & skf18("2","7","4","10","1","3","1") = "9"
    & skf18("2","7","4","10","1","4","1") = "9"
    & skf18("2","7","4","10","1","5","1") = "9"
    & skf18("2","7","4","10","1","6","1") = "9"
    & skf18("2","7","4","10","1","7","1") = "9"
    & skf18("2","7","4","10","1","8","1") = "9"
    & skf18("2","7","4","10","1","9","1") = "9"
    & skf18("2","7","4","10","1","10","1") = "9"
    & skf18("2","7","4","10","2","1","1") = "9"
    & skf18("2","7","4","10","2","2","1") = "9"
    & skf18("2","7","4","10","2","3","1") = "9"
    & skf18("2","7","4","10","2","4","1") = "9"
    & skf18("2","7","4","10","2","5","1") = "9"
    & skf18("2","7","4","10","2","6","1") = "9"
    & skf18("2","7","4","10","2","7","1") = "9"
    & skf18("2","7","4","10","2","8","1") = "9"
    & skf18("2","7","4","10","2","9","1") = "9"
    & skf18("2","7","4","10","2","10","1") = "9"
    & skf18("2","7","4","10","3","1","1") = "9"
    & skf18("2","7","4","10","3","2","1") = "9"
    & skf18("2","7","4","10","3","3","1") = "9"
    & skf18("2","7","4","10","3","4","1") = "9"
    & skf18("2","7","4","10","3","5","1") = "9"
    & skf18("2","7","4","10","3","6","1") = "9"
    & skf18("2","7","4","10","3","7","1") = "9"
    & skf18("2","7","4","10","3","8","1") = "9"
    & skf18("2","7","4","10","3","9","1") = "9"
    & skf18("2","7","4","10","3","10","1") = "9"
    & skf18("2","7","4","10","4","1","1") = "9"
    & skf18("2","7","4","10","4","2","1") = "9"
    & skf18("2","7","4","10","4","3","1") = "9"
    & skf18("2","7","4","10","4","4","1") = "9"
    & skf18("2","7","4","10","4","5","1") = "9"
    & skf18("2","7","4","10","4","6","1") = "9"
    & skf18("2","7","4","10","4","7","1") = "9"
    & skf18("2","7","4","10","4","8","1") = "9"
    & skf18("2","7","4","10","4","9","1") = "9"
    & skf18("2","7","4","10","4","10","1") = "9"
    & skf18("2","7","4","10","5","1","1") = "9"
    & skf18("2","7","4","10","5","2","1") = "9"
    & skf18("2","7","4","10","5","3","1") = "9"
    & skf18("2","7","4","10","5","4","1") = "9"
    & skf18("2","7","4","10","5","5","1") = "9"
    & skf18("2","7","4","10","5","6","1") = "9"
    & skf18("2","7","4","10","5","7","1") = "9"
    & skf18("2","7","4","10","5","8","1") = "9"
    & skf18("2","7","4","10","5","9","1") = "9"
    & skf18("2","7","4","10","5","10","1") = "9"
    & skf18("2","7","4","10","6","1","1") = "9"
    & skf18("2","7","4","10","6","2","1") = "9"
    & skf18("2","7","4","10","6","3","1") = "9"
    & skf18("2","7","4","10","6","4","1") = "9"
    & skf18("2","7","4","10","6","5","1") = "9"
    & skf18("2","7","4","10","6","6","1") = "9"
    & skf18("2","7","4","10","6","7","1") = "9"
    & skf18("2","7","4","10","6","8","1") = "9"
    & skf18("2","7","4","10","6","9","1") = "9"
    & skf18("2","7","4","10","6","10","1") = "9"
    & skf18("2","7","4","10","7","1","1") = "9"
    & skf18("2","7","4","10","7","2","1") = "9"
    & skf18("2","7","4","10","7","3","1") = "9"
    & skf18("2","7","4","10","7","4","1") = "9"
    & skf18("2","7","4","10","7","5","1") = "9"
    & skf18("2","7","4","10","7","6","1") = "9"
    & skf18("2","7","4","10","7","7","1") = "9"
    & skf18("2","7","4","10","7","8","1") = "9"
    & skf18("2","7","4","10","7","9","1") = "9"
    & skf18("2","7","4","10","7","10","1") = "9"
    & skf18("2","7","4","10","8","1","1") = "9"
    & skf18("2","7","4","10","8","2","1") = "9"
    & skf18("2","7","4","10","8","3","1") = "9"
    & skf18("2","7","4","10","8","4","1") = "9"
    & skf18("2","7","4","10","8","5","1") = "9"
    & skf18("2","7","4","10","8","6","1") = "9"
    & skf18("2","7","4","10","8","7","1") = "9"
    & skf18("2","7","4","10","8","8","1") = "9"
    & skf18("2","7","4","10","8","9","1") = "9"
    & skf18("2","7","4","10","8","10","1") = "9"
    & skf18("2","7","4","10","9","1","1") = "9"
    & skf18("2","7","4","10","9","2","1") = "9"
    & skf18("2","7","4","10","9","3","1") = "9"
    & skf18("2","7","4","10","9","4","1") = "9"
    & skf18("2","7","4","10","9","5","1") = "9"
    & skf18("2","7","4","10","9","6","1") = "9"
    & skf18("2","7","4","10","9","7","1") = "9"
    & skf18("2","7","4","10","9","8","1") = "9"
    & skf18("2","7","4","10","9","9","1") = "9"
    & skf18("2","7","4","10","9","10","1") = "9"
    & skf18("2","7","4","10","10","1","1") = "9"
    & skf18("2","7","4","10","10","2","1") = "9"
    & skf18("2","7","4","10","10","3","1") = "9"
    & skf18("2","7","4","10","10","4","1") = "9"
    & skf18("2","7","4","10","10","5","1") = "9"
    & skf18("2","7","4","10","10","6","1") = "9"
    & skf18("2","7","4","10","10","7","1") = "9"
    & skf18("2","7","4","10","10","8","1") = "9"
    & skf18("2","7","4","10","10","9","1") = "9"
    & skf18("2","7","4","10","10","10","1") = "9"
    & skf18("2","7","5","1","1","1","1") = "6"
    & skf18("2","7","5","1","1","2","1") = "6"
    & skf18("2","7","5","1","1","3","1") = "6"
    & skf18("2","7","5","1","1","4","1") = "6"
    & skf18("2","7","5","1","1","5","1") = "6"
    & skf18("2","7","5","1","1","6","1") = "6"
    & skf18("2","7","5","1","1","7","1") = "6"
    & skf18("2","7","5","1","1","8","1") = "7"
    & skf18("2","7","5","1","1","9","1") = "8"
    & skf18("2","7","5","1","1","10","1") = "9"
    & skf18("2","7","5","1","2","1","1") = "6"
    & skf18("2","7","5","1","2","2","1") = "6"
    & skf18("2","7","5","1","2","3","1") = "6"
    & skf18("2","7","5","1","2","4","1") = "6"
    & skf18("2","7","5","1","2","5","1") = "6"
    & skf18("2","7","5","1","2","6","1") = "6"
    & skf18("2","7","5","1","2","7","1") = "6"
    & skf18("2","7","5","1","2","8","1") = "7"
    & skf18("2","7","5","1","2","9","1") = "8"
    & skf18("2","7","5","1","2","10","1") = "9"
    & skf18("2","7","5","1","3","1","1") = "6"
    & skf18("2","7","5","1","3","2","1") = "6"
    & skf18("2","7","5","1","3","3","1") = "6"
    & skf18("2","7","5","1","3","4","1") = "6"
    & skf18("2","7","5","1","3","5","1") = "6"
    & skf18("2","7","5","1","3","6","1") = "6"
    & skf18("2","7","5","1","3","7","1") = "6"
    & skf18("2","7","5","1","3","8","1") = "7"
    & skf18("2","7","5","1","3","9","1") = "8"
    & skf18("2","7","5","1","3","10","1") = "9"
    & skf18("2","7","5","1","4","1","1") = "6"
    & skf18("2","7","5","1","4","2","1") = "6"
    & skf18("2","7","5","1","4","3","1") = "6"
    & skf18("2","7","5","1","4","4","1") = "6"
    & skf18("2","7","5","1","4","5","1") = "6"
    & skf18("2","7","5","1","4","6","1") = "6"
    & skf18("2","7","5","1","4","7","1") = "6"
    & skf18("2","7","5","1","4","8","1") = "7"
    & skf18("2","7","5","1","4","9","1") = "8"
    & skf18("2","7","5","1","4","10","1") = "9"
    & skf18("2","7","5","1","5","1","1") = "6"
    & skf18("2","7","5","1","5","2","1") = "6"
    & skf18("2","7","5","1","5","3","1") = "6"
    & skf18("2","7","5","1","5","4","1") = "6"
    & skf18("2","7","5","1","5","5","1") = "6"
    & skf18("2","7","5","1","5","6","1") = "6"
    & skf18("2","7","5","1","5","7","1") = "6"
    & skf18("2","7","5","1","5","8","1") = "7"
    & skf18("2","7","5","1","5","9","1") = "8"
    & skf18("2","7","5","1","5","10","1") = "9"
    & skf18("2","7","5","1","6","1","1") = "6"
    & skf18("2","7","5","1","6","2","1") = "6"
    & skf18("2","7","5","1","6","3","1") = "6"
    & skf18("2","7","5","1","6","4","1") = "6"
    & skf18("2","7","5","1","6","5","1") = "6"
    & skf18("2","7","5","1","6","6","1") = "6"
    & skf18("2","7","5","1","6","7","1") = "6"
    & skf18("2","7","5","1","6","8","1") = "7"
    & skf18("2","7","5","1","6","9","1") = "8"
    & skf18("2","7","5","1","6","10","1") = "9"
    & skf18("2","7","5","1","7","1","1") = "6"
    & skf18("2","7","5","1","7","2","1") = "6"
    & skf18("2","7","5","1","7","3","1") = "6"
    & skf18("2","7","5","1","7","4","1") = "6"
    & skf18("2","7","5","1","7","5","1") = "6"
    & skf18("2","7","5","1","7","6","1") = "6"
    & skf18("2","7","5","1","7","7","1") = "6"
    & skf18("2","7","5","1","7","8","1") = "7"
    & skf18("2","7","5","1","7","9","1") = "8"
    & skf18("2","7","5","1","7","10","1") = "9"
    & skf18("2","7","5","1","8","1","1") = "7"
    & skf18("2","7","5","1","8","2","1") = "7"
    & skf18("2","7","5","1","8","3","1") = "7"
    & skf18("2","7","5","1","8","4","1") = "7"
    & skf18("2","7","5","1","8","5","1") = "7"
    & skf18("2","7","5","1","8","6","1") = "7"
    & skf18("2","7","5","1","8","7","1") = "7"
    & skf18("2","7","5","1","8","8","1") = "7"
    & skf18("2","7","5","1","8","9","1") = "8"
    & skf18("2","7","5","1","8","10","1") = "9"
    & skf18("2","7","5","1","9","1","1") = "8"
    & skf18("2","7","5","1","9","2","1") = "8"
    & skf18("2","7","5","1","9","3","1") = "8"
    & skf18("2","7","5","1","9","4","1") = "8"
    & skf18("2","7","5","1","9","5","1") = "8"
    & skf18("2","7","5","1","9","6","1") = "8"
    & skf18("2","7","5","1","9","7","1") = "8"
    & skf18("2","7","5","1","9","8","1") = "8"
    & skf18("2","7","5","1","9","9","1") = "8"
    & skf18("2","7","5","1","9","10","1") = "9"
    & skf18("2","7","5","1","10","1","1") = "9"
    & skf18("2","7","5","1","10","2","1") = "9"
    & skf18("2","7","5","1","10","3","1") = "9"
    & skf18("2","7","5","1","10","4","1") = "9"
    & skf18("2","7","5","1","10","5","1") = "9"
    & skf18("2","7","5","1","10","6","1") = "9"
    & skf18("2","7","5","1","10","7","1") = "9"
    & skf18("2","7","5","1","10","8","1") = "9"
    & skf18("2","7","5","1","10","9","1") = "9"
    & skf18("2","7","5","1","10","10","1") = "9"
    & skf18("2","7","5","2","1","1","1") = "6"
    & skf18("2","7","5","2","1","2","1") = "6"
    & skf18("2","7","5","2","1","3","1") = "6"
    & skf18("2","7","5","2","1","4","1") = "6"
    & skf18("2","7","5","2","1","5","1") = "6"
    & skf18("2","7","5","2","1","6","1") = "6"
    & skf18("2","7","5","2","1","7","1") = "6"
    & skf18("2","7","5","2","1","8","1") = "7"
    & skf18("2","7","5","2","1","9","1") = "8"
    & skf18("2","7","5","2","1","10","1") = "9"
    & skf18("2","7","5","2","2","1","1") = "6"
    & skf18("2","7","5","2","2","2","1") = "6"
    & skf18("2","7","5","2","2","3","1") = "6"
    & skf18("2","7","5","2","2","4","1") = "6"
    & skf18("2","7","5","2","2","5","1") = "6"
    & skf18("2","7","5","2","2","6","1") = "6"
    & skf18("2","7","5","2","2","7","1") = "6"
    & skf18("2","7","5","2","2","8","1") = "7"
    & skf18("2","7","5","2","2","9","1") = "8"
    & skf18("2","7","5","2","2","10","1") = "9"
    & skf18("2","7","5","2","3","1","1") = "6"
    & skf18("2","7","5","2","3","2","1") = "6"
    & skf18("2","7","5","2","3","3","1") = "6"
    & skf18("2","7","5","2","3","4","1") = "6"
    & skf18("2","7","5","2","3","5","1") = "6"
    & skf18("2","7","5","2","3","6","1") = "6"
    & skf18("2","7","5","2","3","7","1") = "6"
    & skf18("2","7","5","2","3","8","1") = "7"
    & skf18("2","7","5","2","3","9","1") = "8"
    & skf18("2","7","5","2","3","10","1") = "9"
    & skf18("2","7","5","2","4","1","1") = "6"
    & skf18("2","7","5","2","4","2","1") = "6"
    & skf18("2","7","5","2","4","3","1") = "6"
    & skf18("2","7","5","2","4","4","1") = "6"
    & skf18("2","7","5","2","4","5","1") = "6"
    & skf18("2","7","5","2","4","6","1") = "6"
    & skf18("2","7","5","2","4","7","1") = "6"
    & skf18("2","7","5","2","4","8","1") = "7"
    & skf18("2","7","5","2","4","9","1") = "8"
    & skf18("2","7","5","2","4","10","1") = "9"
    & skf18("2","7","5","2","5","1","1") = "6"
    & skf18("2","7","5","2","5","2","1") = "6"
    & skf18("2","7","5","2","5","3","1") = "6"
    & skf18("2","7","5","2","5","4","1") = "6"
    & skf18("2","7","5","2","5","5","1") = "6"
    & skf18("2","7","5","2","5","6","1") = "6"
    & skf18("2","7","5","2","5","7","1") = "6"
    & skf18("2","7","5","2","5","8","1") = "7"
    & skf18("2","7","5","2","5","9","1") = "8"
    & skf18("2","7","5","2","5","10","1") = "9"
    & skf18("2","7","5","2","6","1","1") = "6"
    & skf18("2","7","5","2","6","2","1") = "6"
    & skf18("2","7","5","2","6","3","1") = "6"
    & skf18("2","7","5","2","6","4","1") = "6"
    & skf18("2","7","5","2","6","5","1") = "6"
    & skf18("2","7","5","2","6","6","1") = "6"
    & skf18("2","7","5","2","6","7","1") = "6"
    & skf18("2","7","5","2","6","8","1") = "7"
    & skf18("2","7","5","2","6","9","1") = "8"
    & skf18("2","7","5","2","6","10","1") = "9"
    & skf18("2","7","5","2","7","1","1") = "6"
    & skf18("2","7","5","2","7","2","1") = "6"
    & skf18("2","7","5","2","7","3","1") = "6"
    & skf18("2","7","5","2","7","4","1") = "6"
    & skf18("2","7","5","2","7","5","1") = "6"
    & skf18("2","7","5","2","7","6","1") = "6"
    & skf18("2","7","5","2","7","7","1") = "6"
    & skf18("2","7","5","2","7","8","1") = "7"
    & skf18("2","7","5","2","7","9","1") = "8"
    & skf18("2","7","5","2","7","10","1") = "9"
    & skf18("2","7","5","2","8","1","1") = "7"
    & skf18("2","7","5","2","8","2","1") = "7"
    & skf18("2","7","5","2","8","3","1") = "7"
    & skf18("2","7","5","2","8","4","1") = "7"
    & skf18("2","7","5","2","8","5","1") = "7"
    & skf18("2","7","5","2","8","6","1") = "7"
    & skf18("2","7","5","2","8","7","1") = "7"
    & skf18("2","7","5","2","8","8","1") = "7"
    & skf18("2","7","5","2","8","9","1") = "8"
    & skf18("2","7","5","2","8","10","1") = "9"
    & skf18("2","7","5","2","9","1","1") = "8"
    & skf18("2","7","5","2","9","2","1") = "8"
    & skf18("2","7","5","2","9","3","1") = "8"
    & skf18("2","7","5","2","9","4","1") = "8"
    & skf18("2","7","5","2","9","5","1") = "8"
    & skf18("2","7","5","2","9","6","1") = "8"
    & skf18("2","7","5","2","9","7","1") = "8"
    & skf18("2","7","5","2","9","8","1") = "8"
    & skf18("2","7","5","2","9","9","1") = "8"
    & skf18("2","7","5","2","9","10","1") = "9"
    & skf18("2","7","5","2","10","1","1") = "9"
    & skf18("2","7","5","2","10","2","1") = "9"
    & skf18("2","7","5","2","10","3","1") = "9"
    & skf18("2","7","5","2","10","4","1") = "9"
    & skf18("2","7","5","2","10","5","1") = "9"
    & skf18("2","7","5","2","10","6","1") = "9"
    & skf18("2","7","5","2","10","7","1") = "9"
    & skf18("2","7","5","2","10","8","1") = "9"
    & skf18("2","7","5","2","10","9","1") = "9"
    & skf18("2","7","5","2","10","10","1") = "9"
    & skf18("2","7","5","3","1","1","1") = "6"
    & skf18("2","7","5","3","1","2","1") = "6"
    & skf18("2","7","5","3","1","3","1") = "6"
    & skf18("2","7","5","3","1","4","1") = "6"
    & skf18("2","7","5","3","1","5","1") = "6"
    & skf18("2","7","5","3","1","6","1") = "6"
    & skf18("2","7","5","3","1","7","1") = "6"
    & skf18("2","7","5","3","1","8","1") = "7"
    & skf18("2","7","5","3","1","9","1") = "8"
    & skf18("2","7","5","3","1","10","1") = "9"
    & skf18("2","7","5","3","2","1","1") = "6"
    & skf18("2","7","5","3","2","2","1") = "6"
    & skf18("2","7","5","3","2","3","1") = "6"
    & skf18("2","7","5","3","2","4","1") = "6"
    & skf18("2","7","5","3","2","5","1") = "6"
    & skf18("2","7","5","3","2","6","1") = "6"
    & skf18("2","7","5","3","2","7","1") = "6"
    & skf18("2","7","5","3","2","8","1") = "7"
    & skf18("2","7","5","3","2","9","1") = "8"
    & skf18("2","7","5","3","2","10","1") = "9"
    & skf18("2","7","5","3","3","1","1") = "6"
    & skf18("2","7","5","3","3","2","1") = "6"
    & skf18("2","7","5","3","3","3","1") = "6"
    & skf18("2","7","5","3","3","4","1") = "6"
    & skf18("2","7","5","3","3","5","1") = "6"
    & skf18("2","7","5","3","3","6","1") = "6"
    & skf18("2","7","5","3","3","7","1") = "6"
    & skf18("2","7","5","3","3","8","1") = "7"
    & skf18("2","7","5","3","3","9","1") = "8"
    & skf18("2","7","5","3","3","10","1") = "9"
    & skf18("2","7","5","3","4","1","1") = "6"
    & skf18("2","7","5","3","4","2","1") = "6"
    & skf18("2","7","5","3","4","3","1") = "6"
    & skf18("2","7","5","3","4","4","1") = "6"
    & skf18("2","7","5","3","4","5","1") = "6"
    & skf18("2","7","5","3","4","6","1") = "6"
    & skf18("2","7","5","3","4","7","1") = "6"
    & skf18("2","7","5","3","4","8","1") = "7"
    & skf18("2","7","5","3","4","9","1") = "8"
    & skf18("2","7","5","3","4","10","1") = "9"
    & skf18("2","7","5","3","5","1","1") = "6"
    & skf18("2","7","5","3","5","2","1") = "6"
    & skf18("2","7","5","3","5","3","1") = "6"
    & skf18("2","7","5","3","5","4","1") = "6"
    & skf18("2","7","5","3","5","5","1") = "6"
    & skf18("2","7","5","3","5","6","1") = "6"
    & skf18("2","7","5","3","5","7","1") = "6"
    & skf18("2","7","5","3","5","8","1") = "7"
    & skf18("2","7","5","3","5","9","1") = "8"
    & skf18("2","7","5","3","5","10","1") = "9"
    & skf18("2","7","5","3","6","1","1") = "6"
    & skf18("2","7","5","3","6","2","1") = "6"
    & skf18("2","7","5","3","6","3","1") = "6"
    & skf18("2","7","5","3","6","4","1") = "6"
    & skf18("2","7","5","3","6","5","1") = "6"
    & skf18("2","7","5","3","6","6","1") = "6"
    & skf18("2","7","5","3","6","7","1") = "6"
    & skf18("2","7","5","3","6","8","1") = "7"
    & skf18("2","7","5","3","6","9","1") = "8"
    & skf18("2","7","5","3","6","10","1") = "9"
    & skf18("2","7","5","3","7","1","1") = "6"
    & skf18("2","7","5","3","7","2","1") = "6"
    & skf18("2","7","5","3","7","3","1") = "6"
    & skf18("2","7","5","3","7","4","1") = "6"
    & skf18("2","7","5","3","7","5","1") = "6"
    & skf18("2","7","5","3","7","6","1") = "6"
    & skf18("2","7","5","3","7","7","1") = "6"
    & skf18("2","7","5","3","7","8","1") = "7"
    & skf18("2","7","5","3","7","9","1") = "8"
    & skf18("2","7","5","3","7","10","1") = "9"
    & skf18("2","7","5","3","8","1","1") = "7"
    & skf18("2","7","5","3","8","2","1") = "7"
    & skf18("2","7","5","3","8","3","1") = "7"
    & skf18("2","7","5","3","8","4","1") = "7"
    & skf18("2","7","5","3","8","5","1") = "7"
    & skf18("2","7","5","3","8","6","1") = "7"
    & skf18("2","7","5","3","8","7","1") = "7"
    & skf18("2","7","5","3","8","8","1") = "7"
    & skf18("2","7","5","3","8","9","1") = "8"
    & skf18("2","7","5","3","8","10","1") = "9"
    & skf18("2","7","5","3","9","1","1") = "8"
    & skf18("2","7","5","3","9","2","1") = "8"
    & skf18("2","7","5","3","9","3","1") = "8"
    & skf18("2","7","5","3","9","4","1") = "8"
    & skf18("2","7","5","3","9","5","1") = "8"
    & skf18("2","7","5","3","9","6","1") = "8"
    & skf18("2","7","5","3","9","7","1") = "8"
    & skf18("2","7","5","3","9","8","1") = "8"
    & skf18("2","7","5","3","9","9","1") = "8"
    & skf18("2","7","5","3","9","10","1") = "9"
    & skf18("2","7","5","3","10","1","1") = "9"
    & skf18("2","7","5","3","10","2","1") = "9"
    & skf18("2","7","5","3","10","3","1") = "9"
    & skf18("2","7","5","3","10","4","1") = "9"
    & skf18("2","7","5","3","10","5","1") = "9"
    & skf18("2","7","5","3","10","6","1") = "9"
    & skf18("2","7","5","3","10","7","1") = "9"
    & skf18("2","7","5","3","10","8","1") = "9"
    & skf18("2","7","5","3","10","9","1") = "9"
    & skf18("2","7","5","3","10","10","1") = "9"
    & skf18("2","7","5","4","1","1","1") = "6"
    & skf18("2","7","5","4","1","2","1") = "6"
    & skf18("2","7","5","4","1","3","1") = "6"
    & skf18("2","7","5","4","1","4","1") = "6"
    & skf18("2","7","5","4","1","5","1") = "6"
    & skf18("2","7","5","4","1","6","1") = "6"
    & skf18("2","7","5","4","1","7","1") = "6"
    & skf18("2","7","5","4","1","8","1") = "7"
    & skf18("2","7","5","4","1","9","1") = "8"
    & skf18("2","7","5","4","1","10","1") = "9"
    & skf18("2","7","5","4","2","1","1") = "6"
    & skf18("2","7","5","4","2","2","1") = "6"
    & skf18("2","7","5","4","2","3","1") = "6"
    & skf18("2","7","5","4","2","4","1") = "6"
    & skf18("2","7","5","4","2","5","1") = "6"
    & skf18("2","7","5","4","2","6","1") = "6"
    & skf18("2","7","5","4","2","7","1") = "6"
    & skf18("2","7","5","4","2","8","1") = "7"
    & skf18("2","7","5","4","2","9","1") = "8"
    & skf18("2","7","5","4","2","10","1") = "9"
    & skf18("2","7","5","4","3","1","1") = "6"
    & skf18("2","7","5","4","3","2","1") = "6"
    & skf18("2","7","5","4","3","3","1") = "6"
    & skf18("2","7","5","4","3","4","1") = "6"
    & skf18("2","7","5","4","3","5","1") = "6"
    & skf18("2","7","5","4","3","6","1") = "6"
    & skf18("2","7","5","4","3","7","1") = "6"
    & skf18("2","7","5","4","3","8","1") = "7"
    & skf18("2","7","5","4","3","9","1") = "8"
    & skf18("2","7","5","4","3","10","1") = "9"
    & skf18("2","7","5","4","4","1","1") = "6"
    & skf18("2","7","5","4","4","2","1") = "6"
    & skf18("2","7","5","4","4","3","1") = "6"
    & skf18("2","7","5","4","4","4","1") = "6"
    & skf18("2","7","5","4","4","5","1") = "6"
    & skf18("2","7","5","4","4","6","1") = "6"
    & skf18("2","7","5","4","4","7","1") = "6"
    & skf18("2","7","5","4","4","8","1") = "7"
    & skf18("2","7","5","4","4","9","1") = "8"
    & skf18("2","7","5","4","4","10","1") = "9"
    & skf18("2","7","5","4","5","1","1") = "6"
    & skf18("2","7","5","4","5","2","1") = "6"
    & skf18("2","7","5","4","5","3","1") = "6"
    & skf18("2","7","5","4","5","4","1") = "6"
    & skf18("2","7","5","4","5","5","1") = "6"
    & skf18("2","7","5","4","5","6","1") = "6"
    & skf18("2","7","5","4","5","7","1") = "6"
    & skf18("2","7","5","4","5","8","1") = "7"
    & skf18("2","7","5","4","5","9","1") = "8"
    & skf18("2","7","5","4","5","10","1") = "9"
    & skf18("2","7","5","4","6","1","1") = "6"
    & skf18("2","7","5","4","6","2","1") = "6"
    & skf18("2","7","5","4","6","3","1") = "6"
    & skf18("2","7","5","4","6","4","1") = "6"
    & skf18("2","7","5","4","6","5","1") = "6"
    & skf18("2","7","5","4","6","6","1") = "6"
    & skf18("2","7","5","4","6","7","1") = "6"
    & skf18("2","7","5","4","6","8","1") = "7"
    & skf18("2","7","5","4","6","9","1") = "8"
    & skf18("2","7","5","4","6","10","1") = "9"
    & skf18("2","7","5","4","7","1","1") = "6"
    & skf18("2","7","5","4","7","2","1") = "6"
    & skf18("2","7","5","4","7","3","1") = "6"
    & skf18("2","7","5","4","7","4","1") = "6"
    & skf18("2","7","5","4","7","5","1") = "6"
    & skf18("2","7","5","4","7","6","1") = "6"
    & skf18("2","7","5","4","7","7","1") = "6"
    & skf18("2","7","5","4","7","8","1") = "7"
    & skf18("2","7","5","4","7","9","1") = "8"
    & skf18("2","7","5","4","7","10","1") = "9"
    & skf18("2","7","5","4","8","1","1") = "7"
    & skf18("2","7","5","4","8","2","1") = "7"
    & skf18("2","7","5","4","8","3","1") = "7"
    & skf18("2","7","5","4","8","4","1") = "7"
    & skf18("2","7","5","4","8","5","1") = "7"
    & skf18("2","7","5","4","8","6","1") = "7"
    & skf18("2","7","5","4","8","7","1") = "7"
    & skf18("2","7","5","4","8","8","1") = "7"
    & skf18("2","7","5","4","8","9","1") = "8"
    & skf18("2","7","5","4","8","10","1") = "9"
    & skf18("2","7","5","4","9","1","1") = "8"
    & skf18("2","7","5","4","9","2","1") = "8"
    & skf18("2","7","5","4","9","3","1") = "8"
    & skf18("2","7","5","4","9","4","1") = "8"
    & skf18("2","7","5","4","9","5","1") = "8"
    & skf18("2","7","5","4","9","6","1") = "8"
    & skf18("2","7","5","4","9","7","1") = "8"
    & skf18("2","7","5","4","9","8","1") = "8"
    & skf18("2","7","5","4","9","9","1") = "8"
    & skf18("2","7","5","4","9","10","1") = "9"
    & skf18("2","7","5","4","10","1","1") = "9"
    & skf18("2","7","5","4","10","2","1") = "9"
    & skf18("2","7","5","4","10","3","1") = "9"
    & skf18("2","7","5","4","10","4","1") = "9"
    & skf18("2","7","5","4","10","5","1") = "9"
    & skf18("2","7","5","4","10","6","1") = "9"
    & skf18("2","7","5","4","10","7","1") = "9"
    & skf18("2","7","5","4","10","8","1") = "9"
    & skf18("2","7","5","4","10","9","1") = "9"
    & skf18("2","7","5","4","10","10","1") = "9"
    & skf18("2","7","5","5","1","1","1") = "6"
    & skf18("2","7","5","5","1","2","1") = "6"
    & skf18("2","7","5","5","1","3","1") = "6"
    & skf18("2","7","5","5","1","4","1") = "6"
    & skf18("2","7","5","5","1","5","1") = "6"
    & skf18("2","7","5","5","1","6","1") = "6"
    & skf18("2","7","5","5","1","7","1") = "6"
    & skf18("2","7","5","5","1","8","1") = "7"
    & skf18("2","7","5","5","1","9","1") = "8"
    & skf18("2","7","5","5","1","10","1") = "9"
    & skf18("2","7","5","5","2","1","1") = "6"
    & skf18("2","7","5","5","2","2","1") = "6"
    & skf18("2","7","5","5","2","3","1") = "6"
    & skf18("2","7","5","5","2","4","1") = "6"
    & skf18("2","7","5","5","2","5","1") = "6"
    & skf18("2","7","5","5","2","6","1") = "6"
    & skf18("2","7","5","5","2","7","1") = "6"
    & skf18("2","7","5","5","2","8","1") = "7"
    & skf18("2","7","5","5","2","9","1") = "8"
    & skf18("2","7","5","5","2","10","1") = "9"
    & skf18("2","7","5","5","3","1","1") = "6"
    & skf18("2","7","5","5","3","2","1") = "6"
    & skf18("2","7","5","5","3","3","1") = "6"
    & skf18("2","7","5","5","3","4","1") = "6"
    & skf18("2","7","5","5","3","5","1") = "6"
    & skf18("2","7","5","5","3","6","1") = "6"
    & skf18("2","7","5","5","3","7","1") = "6"
    & skf18("2","7","5","5","3","8","1") = "7"
    & skf18("2","7","5","5","3","9","1") = "8"
    & skf18("2","7","5","5","3","10","1") = "9"
    & skf18("2","7","5","5","4","1","1") = "6"
    & skf18("2","7","5","5","4","2","1") = "6"
    & skf18("2","7","5","5","4","3","1") = "6"
    & skf18("2","7","5","5","4","4","1") = "6"
    & skf18("2","7","5","5","4","5","1") = "6"
    & skf18("2","7","5","5","4","6","1") = "6"
    & skf18("2","7","5","5","4","7","1") = "6"
    & skf18("2","7","5","5","4","8","1") = "7"
    & skf18("2","7","5","5","4","9","1") = "8"
    & skf18("2","7","5","5","4","10","1") = "9"
    & skf18("2","7","5","5","5","1","1") = "6"
    & skf18("2","7","5","5","5","2","1") = "6"
    & skf18("2","7","5","5","5","3","1") = "6"
    & skf18("2","7","5","5","5","4","1") = "6"
    & skf18("2","7","5","5","5","5","1") = "6"
    & skf18("2","7","5","5","5","6","1") = "6"
    & skf18("2","7","5","5","5","7","1") = "6"
    & skf18("2","7","5","5","5","8","1") = "7"
    & skf18("2","7","5","5","5","9","1") = "8"
    & skf18("2","7","5","5","5","10","1") = "9"
    & skf18("2","7","5","5","6","1","1") = "6"
    & skf18("2","7","5","5","6","2","1") = "6"
    & skf18("2","7","5","5","6","3","1") = "6"
    & skf18("2","7","5","5","6","4","1") = "6"
    & skf18("2","7","5","5","6","5","1") = "6"
    & skf18("2","7","5","5","6","6","1") = "6"
    & skf18("2","7","5","5","6","7","1") = "6"
    & skf18("2","7","5","5","6","8","1") = "7"
    & skf18("2","7","5","5","6","9","1") = "8"
    & skf18("2","7","5","5","6","10","1") = "9"
    & skf18("2","7","5","5","7","1","1") = "6"
    & skf18("2","7","5","5","7","2","1") = "6"
    & skf18("2","7","5","5","7","3","1") = "6"
    & skf18("2","7","5","5","7","4","1") = "6"
    & skf18("2","7","5","5","7","5","1") = "6"
    & skf18("2","7","5","5","7","6","1") = "6"
    & skf18("2","7","5","5","7","7","1") = "6"
    & skf18("2","7","5","5","7","8","1") = "7"
    & skf18("2","7","5","5","7","9","1") = "8"
    & skf18("2","7","5","5","7","10","1") = "9"
    & skf18("2","7","5","5","8","1","1") = "7"
    & skf18("2","7","5","5","8","2","1") = "7"
    & skf18("2","7","5","5","8","3","1") = "7"
    & skf18("2","7","5","5","8","4","1") = "7"
    & skf18("2","7","5","5","8","5","1") = "7"
    & skf18("2","7","5","5","8","6","1") = "7"
    & skf18("2","7","5","5","8","7","1") = "7"
    & skf18("2","7","5","5","8","8","1") = "7"
    & skf18("2","7","5","5","8","9","1") = "8"
    & skf18("2","7","5","5","8","10","1") = "9"
    & skf18("2","7","5","5","9","1","1") = "8"
    & skf18("2","7","5","5","9","2","1") = "8"
    & skf18("2","7","5","5","9","3","1") = "8"
    & skf18("2","7","5","5","9","4","1") = "8"
    & skf18("2","7","5","5","9","5","1") = "8"
    & skf18("2","7","5","5","9","6","1") = "8"
    & skf18("2","7","5","5","9","7","1") = "8"
    & skf18("2","7","5","5","9","8","1") = "8"
    & skf18("2","7","5","5","9","9","1") = "8"
    & skf18("2","7","5","5","9","10","1") = "9"
    & skf18("2","7","5","5","10","1","1") = "9"
    & skf18("2","7","5","5","10","2","1") = "9"
    & skf18("2","7","5","5","10","3","1") = "9"
    & skf18("2","7","5","5","10","4","1") = "9"
    & skf18("2","7","5","5","10","5","1") = "9"
    & skf18("2","7","5","5","10","6","1") = "9"
    & skf18("2","7","5","5","10","7","1") = "9"
    & skf18("2","7","5","5","10","8","1") = "9"
    & skf18("2","7","5","5","10","9","1") = "9"
    & skf18("2","7","5","5","10","10","1") = "9"
    & skf18("2","7","5","6","1","1","1") = "6"
    & skf18("2","7","5","6","1","2","1") = "6"
    & skf18("2","7","5","6","1","3","1") = "6"
    & skf18("2","7","5","6","1","4","1") = "6"
    & skf18("2","7","5","6","1","5","1") = "6"
    & skf18("2","7","5","6","1","6","1") = "6"
    & skf18("2","7","5","6","1","7","1") = "6"
    & skf18("2","7","5","6","1","8","1") = "7"
    & skf18("2","7","5","6","1","9","1") = "8"
    & skf18("2","7","5","6","1","10","1") = "9"
    & skf18("2","7","5","6","2","1","1") = "6"
    & skf18("2","7","5","6","2","2","1") = "6"
    & skf18("2","7","5","6","2","3","1") = "6"
    & skf18("2","7","5","6","2","4","1") = "6"
    & skf18("2","7","5","6","2","5","1") = "6"
    & skf18("2","7","5","6","2","6","1") = "6"
    & skf18("2","7","5","6","2","7","1") = "6"
    & skf18("2","7","5","6","2","8","1") = "7"
    & skf18("2","7","5","6","2","9","1") = "8"
    & skf18("2","7","5","6","2","10","1") = "9"
    & skf18("2","7","5","6","3","1","1") = "6"
    & skf18("2","7","5","6","3","2","1") = "6"
    & skf18("2","7","5","6","3","3","1") = "6"
    & skf18("2","7","5","6","3","4","1") = "6"
    & skf18("2","7","5","6","3","5","1") = "6"
    & skf18("2","7","5","6","3","6","1") = "6"
    & skf18("2","7","5","6","3","7","1") = "6"
    & skf18("2","7","5","6","3","8","1") = "7"
    & skf18("2","7","5","6","3","9","1") = "8"
    & skf18("2","7","5","6","3","10","1") = "9"
    & skf18("2","7","5","6","4","1","1") = "6"
    & skf18("2","7","5","6","4","2","1") = "6"
    & skf18("2","7","5","6","4","3","1") = "6"
    & skf18("2","7","5","6","4","4","1") = "6"
    & skf18("2","7","5","6","4","5","1") = "6"
    & skf18("2","7","5","6","4","6","1") = "6"
    & skf18("2","7","5","6","4","7","1") = "6"
    & skf18("2","7","5","6","4","8","1") = "7"
    & skf18("2","7","5","6","4","9","1") = "8"
    & skf18("2","7","5","6","4","10","1") = "9"
    & skf18("2","7","5","6","5","1","1") = "6"
    & skf18("2","7","5","6","5","2","1") = "6"
    & skf18("2","7","5","6","5","3","1") = "6"
    & skf18("2","7","5","6","5","4","1") = "6"
    & skf18("2","7","5","6","5","5","1") = "6"
    & skf18("2","7","5","6","5","6","1") = "6"
    & skf18("2","7","5","6","5","7","1") = "6"
    & skf18("2","7","5","6","5","8","1") = "7"
    & skf18("2","7","5","6","5","9","1") = "8"
    & skf18("2","7","5","6","5","10","1") = "9"
    & skf18("2","7","5","6","6","1","1") = "6"
    & skf18("2","7","5","6","6","2","1") = "6"
    & skf18("2","7","5","6","6","3","1") = "6"
    & skf18("2","7","5","6","6","4","1") = "6"
    & skf18("2","7","5","6","6","5","1") = "6"
    & skf18("2","7","5","6","6","6","1") = "6"
    & skf18("2","7","5","6","6","7","1") = "6"
    & skf18("2","7","5","6","6","8","1") = "7"
    & skf18("2","7","5","6","6","9","1") = "8"
    & skf18("2","7","5","6","6","10","1") = "9"
    & skf18("2","7","5","6","7","1","1") = "6"
    & skf18("2","7","5","6","7","2","1") = "6"
    & skf18("2","7","5","6","7","3","1") = "6"
    & skf18("2","7","5","6","7","4","1") = "6"
    & skf18("2","7","5","6","7","5","1") = "6"
    & skf18("2","7","5","6","7","6","1") = "6"
    & skf18("2","7","5","6","7","7","1") = "6"
    & skf18("2","7","5","6","7","8","1") = "7"
    & skf18("2","7","5","6","7","9","1") = "8"
    & skf18("2","7","5","6","7","10","1") = "9"
    & skf18("2","7","5","6","8","1","1") = "7"
    & skf18("2","7","5","6","8","2","1") = "7"
    & skf18("2","7","5","6","8","3","1") = "7"
    & skf18("2","7","5","6","8","4","1") = "7"
    & skf18("2","7","5","6","8","5","1") = "7"
    & skf18("2","7","5","6","8","6","1") = "7"
    & skf18("2","7","5","6","8","7","1") = "7"
    & skf18("2","7","5","6","8","8","1") = "7"
    & skf18("2","7","5","6","8","9","1") = "8"
    & skf18("2","7","5","6","8","10","1") = "9"
    & skf18("2","7","5","6","9","1","1") = "8"
    & skf18("2","7","5","6","9","2","1") = "8"
    & skf18("2","7","5","6","9","3","1") = "8"
    & skf18("2","7","5","6","9","4","1") = "8"
    & skf18("2","7","5","6","9","5","1") = "8"
    & skf18("2","7","5","6","9","6","1") = "8"
    & skf18("2","7","5","6","9","7","1") = "8"
    & skf18("2","7","5","6","9","8","1") = "8"
    & skf18("2","7","5","6","9","9","1") = "8"
    & skf18("2","7","5","6","9","10","1") = "9"
    & skf18("2","7","5","6","10","1","1") = "9"
    & skf18("2","7","5","6","10","2","1") = "9"
    & skf18("2","7","5","6","10","3","1") = "9"
    & skf18("2","7","5","6","10","4","1") = "9"
    & skf18("2","7","5","6","10","5","1") = "9"
    & skf18("2","7","5","6","10","6","1") = "9"
    & skf18("2","7","5","6","10","7","1") = "9"
    & skf18("2","7","5","6","10","8","1") = "9"
    & skf18("2","7","5","6","10","9","1") = "9"
    & skf18("2","7","5","6","10","10","1") = "9"
    & skf18("2","7","5","7","1","1","1") = "6"
    & skf18("2","7","5","7","1","2","1") = "6"
    & skf18("2","7","5","7","1","3","1") = "6"
    & skf18("2","7","5","7","1","4","1") = "6"
    & skf18("2","7","5","7","1","5","1") = "6"
    & skf18("2","7","5","7","1","6","1") = "6"
    & skf18("2","7","5","7","1","7","1") = "6"
    & skf18("2","7","5","7","1","8","1") = "7"
    & skf18("2","7","5","7","1","9","1") = "8"
    & skf18("2","7","5","7","1","10","1") = "9"
    & skf18("2","7","5","7","2","1","1") = "6"
    & skf18("2","7","5","7","2","2","1") = "6"
    & skf18("2","7","5","7","2","3","1") = "6"
    & skf18("2","7","5","7","2","4","1") = "6"
    & skf18("2","7","5","7","2","5","1") = "6"
    & skf18("2","7","5","7","2","6","1") = "6"
    & skf18("2","7","5","7","2","7","1") = "6"
    & skf18("2","7","5","7","2","8","1") = "7"
    & skf18("2","7","5","7","2","9","1") = "8"
    & skf18("2","7","5","7","2","10","1") = "9"
    & skf18("2","7","5","7","3","1","1") = "6"
    & skf18("2","7","5","7","3","2","1") = "6"
    & skf18("2","7","5","7","3","3","1") = "6"
    & skf18("2","7","5","7","3","4","1") = "6"
    & skf18("2","7","5","7","3","5","1") = "6"
    & skf18("2","7","5","7","3","6","1") = "6"
    & skf18("2","7","5","7","3","7","1") = "6"
    & skf18("2","7","5","7","3","8","1") = "7"
    & skf18("2","7","5","7","3","9","1") = "8"
    & skf18("2","7","5","7","3","10","1") = "9"
    & skf18("2","7","5","7","4","1","1") = "6"
    & skf18("2","7","5","7","4","2","1") = "6"
    & skf18("2","7","5","7","4","3","1") = "6"
    & skf18("2","7","5","7","4","4","1") = "6"
    & skf18("2","7","5","7","4","5","1") = "6"
    & skf18("2","7","5","7","4","6","1") = "6"
    & skf18("2","7","5","7","4","7","1") = "6"
    & skf18("2","7","5","7","4","8","1") = "7"
    & skf18("2","7","5","7","4","9","1") = "8"
    & skf18("2","7","5","7","4","10","1") = "9"
    & skf18("2","7","5","7","5","1","1") = "6"
    & skf18("2","7","5","7","5","2","1") = "6"
    & skf18("2","7","5","7","5","3","1") = "6"
    & skf18("2","7","5","7","5","4","1") = "6"
    & skf18("2","7","5","7","5","5","1") = "6"
    & skf18("2","7","5","7","5","6","1") = "6"
    & skf18("2","7","5","7","5","7","1") = "6"
    & skf18("2","7","5","7","5","8","1") = "7"
    & skf18("2","7","5","7","5","9","1") = "8"
    & skf18("2","7","5","7","5","10","1") = "9"
    & skf18("2","7","5","7","6","1","1") = "6"
    & skf18("2","7","5","7","6","2","1") = "6"
    & skf18("2","7","5","7","6","3","1") = "6"
    & skf18("2","7","5","7","6","4","1") = "6"
    & skf18("2","7","5","7","6","5","1") = "6"
    & skf18("2","7","5","7","6","6","1") = "6"
    & skf18("2","7","5","7","6","7","1") = "6"
    & skf18("2","7","5","7","6","8","1") = "7"
    & skf18("2","7","5","7","6","9","1") = "8"
    & skf18("2","7","5","7","6","10","1") = "9"
    & skf18("2","7","5","7","7","1","1") = "6"
    & skf18("2","7","5","7","7","2","1") = "6"
    & skf18("2","7","5","7","7","3","1") = "6"
    & skf18("2","7","5","7","7","4","1") = "6"
    & skf18("2","7","5","7","7","5","1") = "6"
    & skf18("2","7","5","7","7","6","1") = "6"
    & skf18("2","7","5","7","7","7","1") = "6"
    & skf18("2","7","5","7","7","8","1") = "7"
    & skf18("2","7","5","7","7","9","1") = "8"
    & skf18("2","7","5","7","7","10","1") = "9"
    & skf18("2","7","5","7","8","1","1") = "7"
    & skf18("2","7","5","7","8","2","1") = "7"
    & skf18("2","7","5","7","8","3","1") = "7"
    & skf18("2","7","5","7","8","4","1") = "7"
    & skf18("2","7","5","7","8","5","1") = "7"
    & skf18("2","7","5","7","8","6","1") = "7"
    & skf18("2","7","5","7","8","7","1") = "7"
    & skf18("2","7","5","7","8","8","1") = "7"
    & skf18("2","7","5","7","8","9","1") = "8"
    & skf18("2","7","5","7","8","10","1") = "9"
    & skf18("2","7","5","7","9","1","1") = "8"
    & skf18("2","7","5","7","9","2","1") = "8"
    & skf18("2","7","5","7","9","3","1") = "8"
    & skf18("2","7","5","7","9","4","1") = "8"
    & skf18("2","7","5","7","9","5","1") = "8"
    & skf18("2","7","5","7","9","6","1") = "8"
    & skf18("2","7","5","7","9","7","1") = "8"
    & skf18("2","7","5","7","9","8","1") = "8"
    & skf18("2","7","5","7","9","9","1") = "8"
    & skf18("2","7","5","7","9","10","1") = "9"
    & skf18("2","7","5","7","10","1","1") = "9"
    & skf18("2","7","5","7","10","2","1") = "9"
    & skf18("2","7","5","7","10","3","1") = "9"
    & skf18("2","7","5","7","10","4","1") = "9"
    & skf18("2","7","5","7","10","5","1") = "9"
    & skf18("2","7","5","7","10","6","1") = "9"
    & skf18("2","7","5","7","10","7","1") = "9"
    & skf18("2","7","5","7","10","8","1") = "9"
    & skf18("2","7","5","7","10","9","1") = "9"
    & skf18("2","7","5","7","10","10","1") = "9"
    & skf18("2","7","5","8","1","1","1") = "7"
    & skf18("2","7","5","8","1","2","1") = "7"
    & skf18("2","7","5","8","1","3","1") = "7"
    & skf18("2","7","5","8","1","4","1") = "7"
    & skf18("2","7","5","8","1","5","1") = "7"
    & skf18("2","7","5","8","1","6","1") = "7"
    & skf18("2","7","5","8","1","7","1") = "7"
    & skf18("2","7","5","8","1","8","1") = "7"
    & skf18("2","7","5","8","1","9","1") = "8"
    & skf18("2","7","5","8","1","10","1") = "9"
    & skf18("2","7","5","8","2","1","1") = "7"
    & skf18("2","7","5","8","2","2","1") = "7"
    & skf18("2","7","5","8","2","3","1") = "7"
    & skf18("2","7","5","8","2","4","1") = "7"
    & skf18("2","7","5","8","2","5","1") = "7"
    & skf18("2","7","5","8","2","6","1") = "7"
    & skf18("2","7","5","8","2","7","1") = "7"
    & skf18("2","7","5","8","2","8","1") = "7"
    & skf18("2","7","5","8","2","9","1") = "8"
    & skf18("2","7","5","8","2","10","1") = "9"
    & skf18("2","7","5","8","3","1","1") = "7"
    & skf18("2","7","5","8","3","2","1") = "7"
    & skf18("2","7","5","8","3","3","1") = "7"
    & skf18("2","7","5","8","3","4","1") = "7"
    & skf18("2","7","5","8","3","5","1") = "7"
    & skf18("2","7","5","8","3","6","1") = "7"
    & skf18("2","7","5","8","3","7","1") = "7"
    & skf18("2","7","5","8","3","8","1") = "7"
    & skf18("2","7","5","8","3","9","1") = "8"
    & skf18("2","7","5","8","3","10","1") = "9"
    & skf18("2","7","5","8","4","1","1") = "7"
    & skf18("2","7","5","8","4","2","1") = "7"
    & skf18("2","7","5","8","4","3","1") = "7"
    & skf18("2","7","5","8","4","4","1") = "7"
    & skf18("2","7","5","8","4","5","1") = "7"
    & skf18("2","7","5","8","4","6","1") = "7"
    & skf18("2","7","5","8","4","7","1") = "7"
    & skf18("2","7","5","8","4","8","1") = "7"
    & skf18("2","7","5","8","4","9","1") = "8"
    & skf18("2","7","5","8","4","10","1") = "9"
    & skf18("2","7","5","8","5","1","1") = "7"
    & skf18("2","7","5","8","5","2","1") = "7"
    & skf18("2","7","5","8","5","3","1") = "7"
    & skf18("2","7","5","8","5","4","1") = "7"
    & skf18("2","7","5","8","5","5","1") = "7"
    & skf18("2","7","5","8","5","6","1") = "7"
    & skf18("2","7","5","8","5","7","1") = "7"
    & skf18("2","7","5","8","5","8","1") = "7"
    & skf18("2","7","5","8","5","9","1") = "8"
    & skf18("2","7","5","8","5","10","1") = "9"
    & skf18("2","7","5","8","6","1","1") = "7"
    & skf18("2","7","5","8","6","2","1") = "7"
    & skf18("2","7","5","8","6","3","1") = "7"
    & skf18("2","7","5","8","6","4","1") = "7"
    & skf18("2","7","5","8","6","5","1") = "7"
    & skf18("2","7","5","8","6","6","1") = "7"
    & skf18("2","7","5","8","6","7","1") = "7"
    & skf18("2","7","5","8","6","8","1") = "7"
    & skf18("2","7","5","8","6","9","1") = "8"
    & skf18("2","7","5","8","6","10","1") = "9"
    & skf18("2","7","5","8","7","1","1") = "7"
    & skf18("2","7","5","8","7","2","1") = "7"
    & skf18("2","7","5","8","7","3","1") = "7"
    & skf18("2","7","5","8","7","4","1") = "7"
    & skf18("2","7","5","8","7","5","1") = "7"
    & skf18("2","7","5","8","7","6","1") = "7"
    & skf18("2","7","5","8","7","7","1") = "7"
    & skf18("2","7","5","8","7","8","1") = "7"
    & skf18("2","7","5","8","7","9","1") = "8"
    & skf18("2","7","5","8","7","10","1") = "9"
    & skf18("2","7","5","8","8","1","1") = "7"
    & skf18("2","7","5","8","8","2","1") = "7"
    & skf18("2","7","5","8","8","3","1") = "7"
    & skf18("2","7","5","8","8","4","1") = "7"
    & skf18("2","7","5","8","8","5","1") = "7"
    & skf18("2","7","5","8","8","6","1") = "7"
    & skf18("2","7","5","8","8","7","1") = "7"
    & skf18("2","7","5","8","8","8","1") = "7"
    & skf18("2","7","5","8","8","9","1") = "8"
    & skf18("2","7","5","8","8","10","1") = "9"
    & skf18("2","7","5","8","9","1","1") = "8"
    & skf18("2","7","5","8","9","2","1") = "8"
    & skf18("2","7","5","8","9","3","1") = "8"
    & skf18("2","7","5","8","9","4","1") = "8"
    & skf18("2","7","5","8","9","5","1") = "8"
    & skf18("2","7","5","8","9","6","1") = "8"
    & skf18("2","7","5","8","9","7","1") = "8"
    & skf18("2","7","5","8","9","8","1") = "8"
    & skf18("2","7","5","8","9","9","1") = "8"
    & skf18("2","7","5","8","9","10","1") = "9"
    & skf18("2","7","5","8","10","1","1") = "9"
    & skf18("2","7","5","8","10","2","1") = "9"
    & skf18("2","7","5","8","10","3","1") = "9"
    & skf18("2","7","5","8","10","4","1") = "9"
    & skf18("2","7","5","8","10","5","1") = "9"
    & skf18("2","7","5","8","10","6","1") = "9"
    & skf18("2","7","5","8","10","7","1") = "9"
    & skf18("2","7","5","8","10","8","1") = "9"
    & skf18("2","7","5","8","10","9","1") = "9"
    & skf18("2","7","5","8","10","10","1") = "9"
    & skf18("2","7","5","9","1","1","1") = "8"
    & skf18("2","7","5","9","1","2","1") = "8"
    & skf18("2","7","5","9","1","3","1") = "8"
    & skf18("2","7","5","9","1","4","1") = "8"
    & skf18("2","7","5","9","1","5","1") = "8"
    & skf18("2","7","5","9","1","6","1") = "8"
    & skf18("2","7","5","9","1","7","1") = "8"
    & skf18("2","7","5","9","1","8","1") = "8"
    & skf18("2","7","5","9","1","9","1") = "8"
    & skf18("2","7","5","9","1","10","1") = "9"
    & skf18("2","7","5","9","2","1","1") = "8"
    & skf18("2","7","5","9","2","2","1") = "8"
    & skf18("2","7","5","9","2","3","1") = "8"
    & skf18("2","7","5","9","2","4","1") = "8"
    & skf18("2","7","5","9","2","5","1") = "8"
    & skf18("2","7","5","9","2","6","1") = "8"
    & skf18("2","7","5","9","2","7","1") = "8"
    & skf18("2","7","5","9","2","8","1") = "8"
    & skf18("2","7","5","9","2","9","1") = "8"
    & skf18("2","7","5","9","2","10","1") = "9"
    & skf18("2","7","5","9","3","1","1") = "8"
    & skf18("2","7","5","9","3","2","1") = "8"
    & skf18("2","7","5","9","3","3","1") = "8"
    & skf18("2","7","5","9","3","4","1") = "8"
    & skf18("2","7","5","9","3","5","1") = "8"
    & skf18("2","7","5","9","3","6","1") = "8"
    & skf18("2","7","5","9","3","7","1") = "8"
    & skf18("2","7","5","9","3","8","1") = "8"
    & skf18("2","7","5","9","3","9","1") = "8"
    & skf18("2","7","5","9","3","10","1") = "9"
    & skf18("2","7","5","9","4","1","1") = "8"
    & skf18("2","7","5","9","4","2","1") = "8"
    & skf18("2","7","5","9","4","3","1") = "8"
    & skf18("2","7","5","9","4","4","1") = "8"
    & skf18("2","7","5","9","4","5","1") = "8"
    & skf18("2","7","5","9","4","6","1") = "8"
    & skf18("2","7","5","9","4","7","1") = "8"
    & skf18("2","7","5","9","4","8","1") = "8"
    & skf18("2","7","5","9","4","9","1") = "8"
    & skf18("2","7","5","9","4","10","1") = "9"
    & skf18("2","7","5","9","5","1","1") = "8"
    & skf18("2","7","5","9","5","2","1") = "8"
    & skf18("2","7","5","9","5","3","1") = "8"
    & skf18("2","7","5","9","5","4","1") = "8"
    & skf18("2","7","5","9","5","5","1") = "8"
    & skf18("2","7","5","9","5","6","1") = "8"
    & skf18("2","7","5","9","5","7","1") = "8"
    & skf18("2","7","5","9","5","8","1") = "8"
    & skf18("2","7","5","9","5","9","1") = "8"
    & skf18("2","7","5","9","5","10","1") = "9"
    & skf18("2","7","5","9","6","1","1") = "8"
    & skf18("2","7","5","9","6","2","1") = "8"
    & skf18("2","7","5","9","6","3","1") = "8"
    & skf18("2","7","5","9","6","4","1") = "8"
    & skf18("2","7","5","9","6","5","1") = "8"
    & skf18("2","7","5","9","6","6","1") = "8"
    & skf18("2","7","5","9","6","7","1") = "8"
    & skf18("2","7","5","9","6","8","1") = "8"
    & skf18("2","7","5","9","6","9","1") = "8"
    & skf18("2","7","5","9","6","10","1") = "9"
    & skf18("2","7","5","9","7","1","1") = "8"
    & skf18("2","7","5","9","7","2","1") = "8"
    & skf18("2","7","5","9","7","3","1") = "8"
    & skf18("2","7","5","9","7","4","1") = "8"
    & skf18("2","7","5","9","7","5","1") = "8"
    & skf18("2","7","5","9","7","6","1") = "8"
    & skf18("2","7","5","9","7","7","1") = "8"
    & skf18("2","7","5","9","7","8","1") = "8"
    & skf18("2","7","5","9","7","9","1") = "8"
    & skf18("2","7","5","9","7","10","1") = "9"
    & skf18("2","7","5","9","8","1","1") = "8"
    & skf18("2","7","5","9","8","2","1") = "8"
    & skf18("2","7","5","9","8","3","1") = "8"
    & skf18("2","7","5","9","8","4","1") = "8"
    & skf18("2","7","5","9","8","5","1") = "8"
    & skf18("2","7","5","9","8","6","1") = "8"
    & skf18("2","7","5","9","8","7","1") = "8"
    & skf18("2","7","5","9","8","8","1") = "8"
    & skf18("2","7","5","9","8","9","1") = "8"
    & skf18("2","7","5","9","8","10","1") = "9"
    & skf18("2","7","5","9","9","1","1") = "8"
    & skf18("2","7","5","9","9","2","1") = "8"
    & skf18("2","7","5","9","9","3","1") = "8"
    & skf18("2","7","5","9","9","4","1") = "8"
    & skf18("2","7","5","9","9","5","1") = "8"
    & skf18("2","7","5","9","9","6","1") = "8"
    & skf18("2","7","5","9","9","7","1") = "8"
    & skf18("2","7","5","9","9","8","1") = "8"
    & skf18("2","7","5","9","9","9","1") = "8"
    & skf18("2","7","5","9","9","10","1") = "9"
    & skf18("2","7","5","9","10","1","1") = "9"
    & skf18("2","7","5","9","10","2","1") = "9"
    & skf18("2","7","5","9","10","3","1") = "9"
    & skf18("2","7","5","9","10","4","1") = "9"
    & skf18("2","7","5","9","10","5","1") = "9"
    & skf18("2","7","5","9","10","6","1") = "9"
    & skf18("2","7","5","9","10","7","1") = "9"
    & skf18("2","7","5","9","10","8","1") = "9"
    & skf18("2","7","5","9","10","9","1") = "9"
    & skf18("2","7","5","9","10","10","1") = "9"
    & skf18("2","7","5","10","1","1","1") = "9"
    & skf18("2","7","5","10","1","2","1") = "9"
    & skf18("2","7","5","10","1","3","1") = "9"
    & skf18("2","7","5","10","1","4","1") = "9"
    & skf18("2","7","5","10","1","5","1") = "9"
    & skf18("2","7","5","10","1","6","1") = "9"
    & skf18("2","7","5","10","1","7","1") = "9"
    & skf18("2","7","5","10","1","8","1") = "9"
    & skf18("2","7","5","10","1","9","1") = "9"
    & skf18("2","7","5","10","1","10","1") = "9"
    & skf18("2","7","5","10","2","1","1") = "9"
    & skf18("2","7","5","10","2","2","1") = "9"
    & skf18("2","7","5","10","2","3","1") = "9"
    & skf18("2","7","5","10","2","4","1") = "9"
    & skf18("2","7","5","10","2","5","1") = "9"
    & skf18("2","7","5","10","2","6","1") = "9"
    & skf18("2","7","5","10","2","7","1") = "9"
    & skf18("2","7","5","10","2","8","1") = "9"
    & skf18("2","7","5","10","2","9","1") = "9"
    & skf18("2","7","5","10","2","10","1") = "9"
    & skf18("2","7","5","10","3","1","1") = "9"
    & skf18("2","7","5","10","3","2","1") = "9"
    & skf18("2","7","5","10","3","3","1") = "9"
    & skf18("2","7","5","10","3","4","1") = "9"
    & skf18("2","7","5","10","3","5","1") = "9"
    & skf18("2","7","5","10","3","6","1") = "9"
    & skf18("2","7","5","10","3","7","1") = "9"
    & skf18("2","7","5","10","3","8","1") = "9"
    & skf18("2","7","5","10","3","9","1") = "9"
    & skf18("2","7","5","10","3","10","1") = "9"
    & skf18("2","7","5","10","4","1","1") = "9"
    & skf18("2","7","5","10","4","2","1") = "9"
    & skf18("2","7","5","10","4","3","1") = "9"
    & skf18("2","7","5","10","4","4","1") = "9"
    & skf18("2","7","5","10","4","5","1") = "9"
    & skf18("2","7","5","10","4","6","1") = "9"
    & skf18("2","7","5","10","4","7","1") = "9"
    & skf18("2","7","5","10","4","8","1") = "9"
    & skf18("2","7","5","10","4","9","1") = "9"
    & skf18("2","7","5","10","4","10","1") = "9"
    & skf18("2","7","5","10","5","1","1") = "9"
    & skf18("2","7","5","10","5","2","1") = "9"
    & skf18("2","7","5","10","5","3","1") = "9"
    & skf18("2","7","5","10","5","4","1") = "9"
    & skf18("2","7","5","10","5","5","1") = "9"
    & skf18("2","7","5","10","5","6","1") = "9"
    & skf18("2","7","5","10","5","7","1") = "9"
    & skf18("2","7","5","10","5","8","1") = "9"
    & skf18("2","7","5","10","5","9","1") = "9"
    & skf18("2","7","5","10","5","10","1") = "9"
    & skf18("2","7","5","10","6","1","1") = "9"
    & skf18("2","7","5","10","6","2","1") = "9"
    & skf18("2","7","5","10","6","3","1") = "9"
    & skf18("2","7","5","10","6","4","1") = "9"
    & skf18("2","7","5","10","6","5","1") = "9"
    & skf18("2","7","5","10","6","6","1") = "9"
    & skf18("2","7","5","10","6","7","1") = "9"
    & skf18("2","7","5","10","6","8","1") = "9"
    & skf18("2","7","5","10","6","9","1") = "9"
    & skf18("2","7","5","10","6","10","1") = "9"
    & skf18("2","7","5","10","7","1","1") = "9"
    & skf18("2","7","5","10","7","2","1") = "9"
    & skf18("2","7","5","10","7","3","1") = "9"
    & skf18("2","7","5","10","7","4","1") = "9"
    & skf18("2","7","5","10","7","5","1") = "9"
    & skf18("2","7","5","10","7","6","1") = "9"
    & skf18("2","7","5","10","7","7","1") = "9"
    & skf18("2","7","5","10","7","8","1") = "9"
    & skf18("2","7","5","10","7","9","1") = "9"
    & skf18("2","7","5","10","7","10","1") = "9"
    & skf18("2","7","5","10","8","1","1") = "9"
    & skf18("2","7","5","10","8","2","1") = "9"
    & skf18("2","7","5","10","8","3","1") = "9"
    & skf18("2","7","5","10","8","4","1") = "9"
    & skf18("2","7","5","10","8","5","1") = "9"
    & skf18("2","7","5","10","8","6","1") = "9"
    & skf18("2","7","5","10","8","7","1") = "9"
    & skf18("2","7","5","10","8","8","1") = "9"
    & skf18("2","7","5","10","8","9","1") = "9"
    & skf18("2","7","5","10","8","10","1") = "9"
    & skf18("2","7","5","10","9","1","1") = "9"
    & skf18("2","7","5","10","9","2","1") = "9"
    & skf18("2","7","5","10","9","3","1") = "9"
    & skf18("2","7","5","10","9","4","1") = "9"
    & skf18("2","7","5","10","9","5","1") = "9"
    & skf18("2","7","5","10","9","6","1") = "9"
    & skf18("2","7","5","10","9","7","1") = "9"
    & skf18("2","7","5","10","9","8","1") = "9"
    & skf18("2","7","5","10","9","9","1") = "9"
    & skf18("2","7","5","10","9","10","1") = "9"
    & skf18("2","7","5","10","10","1","1") = "9"
    & skf18("2","7","5","10","10","2","1") = "9"
    & skf18("2","7","5","10","10","3","1") = "9"
    & skf18("2","7","5","10","10","4","1") = "9"
    & skf18("2","7","5","10","10","5","1") = "9"
    & skf18("2","7","5","10","10","6","1") = "9"
    & skf18("2","7","5","10","10","7","1") = "9"
    & skf18("2","7","5","10","10","8","1") = "9"
    & skf18("2","7","5","10","10","9","1") = "9"
    & skf18("2","7","5","10","10","10","1") = "9"
    & skf18("2","7","6","1","1","1","1") = "6"
    & skf18("2","7","6","1","1","2","1") = "6"
    & skf18("2","7","6","1","1","3","1") = "6"
    & skf18("2","7","6","1","1","4","1") = "6"
    & skf18("2","7","6","1","1","5","1") = "6"
    & skf18("2","7","6","1","1","6","1") = "6"
    & skf18("2","7","6","1","1","7","1") = "6"
    & skf18("2","7","6","1","1","8","1") = "7"
    & skf18("2","7","6","1","1","9","1") = "8"
    & skf18("2","7","6","1","1","10","1") = "9"
    & skf18("2","7","6","1","2","1","1") = "6"
    & skf18("2","7","6","1","2","2","1") = "6"
    & skf18("2","7","6","1","2","3","1") = "6"
    & skf18("2","7","6","1","2","4","1") = "6"
    & skf18("2","7","6","1","2","5","1") = "6"
    & skf18("2","7","6","1","2","6","1") = "6"
    & skf18("2","7","6","1","2","7","1") = "6"
    & skf18("2","7","6","1","2","8","1") = "7"
    & skf18("2","7","6","1","2","9","1") = "8"
    & skf18("2","7","6","1","2","10","1") = "9"
    & skf18("2","7","6","1","3","1","1") = "6"
    & skf18("2","7","6","1","3","2","1") = "6"
    & skf18("2","7","6","1","3","3","1") = "6"
    & skf18("2","7","6","1","3","4","1") = "6"
    & skf18("2","7","6","1","3","5","1") = "6"
    & skf18("2","7","6","1","3","6","1") = "6"
    & skf18("2","7","6","1","3","7","1") = "6"
    & skf18("2","7","6","1","3","8","1") = "7"
    & skf18("2","7","6","1","3","9","1") = "8"
    & skf18("2","7","6","1","3","10","1") = "9"
    & skf18("2","7","6","1","4","1","1") = "6"
    & skf18("2","7","6","1","4","2","1") = "6"
    & skf18("2","7","6","1","4","3","1") = "6"
    & skf18("2","7","6","1","4","4","1") = "6"
    & skf18("2","7","6","1","4","5","1") = "6"
    & skf18("2","7","6","1","4","6","1") = "6"
    & skf18("2","7","6","1","4","7","1") = "6"
    & skf18("2","7","6","1","4","8","1") = "7"
    & skf18("2","7","6","1","4","9","1") = "8"
    & skf18("2","7","6","1","4","10","1") = "9"
    & skf18("2","7","6","1","5","1","1") = "6"
    & skf18("2","7","6","1","5","2","1") = "6"
    & skf18("2","7","6","1","5","3","1") = "6"
    & skf18("2","7","6","1","5","4","1") = "6"
    & skf18("2","7","6","1","5","5","1") = "6"
    & skf18("2","7","6","1","5","6","1") = "6"
    & skf18("2","7","6","1","5","7","1") = "6"
    & skf18("2","7","6","1","5","8","1") = "7"
    & skf18("2","7","6","1","5","9","1") = "8"
    & skf18("2","7","6","1","5","10","1") = "9"
    & skf18("2","7","6","1","6","1","1") = "6"
    & skf18("2","7","6","1","6","2","1") = "6"
    & skf18("2","7","6","1","6","3","1") = "6"
    & skf18("2","7","6","1","6","4","1") = "6"
    & skf18("2","7","6","1","6","5","1") = "6"
    & skf18("2","7","6","1","6","6","1") = "6"
    & skf18("2","7","6","1","6","7","1") = "6"
    & skf18("2","7","6","1","6","8","1") = "7"
    & skf18("2","7","6","1","6","9","1") = "8"
    & skf18("2","7","6","1","6","10","1") = "9"
    & skf18("2","7","6","1","7","1","1") = "6"
    & skf18("2","7","6","1","7","2","1") = "6"
    & skf18("2","7","6","1","7","3","1") = "6"
    & skf18("2","7","6","1","7","4","1") = "6"
    & skf18("2","7","6","1","7","5","1") = "6"
    & skf18("2","7","6","1","7","6","1") = "6"
    & skf18("2","7","6","1","7","7","1") = "6"
    & skf18("2","7","6","1","7","8","1") = "7"
    & skf18("2","7","6","1","7","9","1") = "8"
    & skf18("2","7","6","1","7","10","1") = "9"
    & skf18("2","7","6","1","8","1","1") = "7"
    & skf18("2","7","6","1","8","2","1") = "7"
    & skf18("2","7","6","1","8","3","1") = "7"
    & skf18("2","7","6","1","8","4","1") = "7"
    & skf18("2","7","6","1","8","5","1") = "7"
    & skf18("2","7","6","1","8","6","1") = "7"
    & skf18("2","7","6","1","8","7","1") = "7"
    & skf18("2","7","6","1","8","8","1") = "7"
    & skf18("2","7","6","1","8","9","1") = "8"
    & skf18("2","7","6","1","8","10","1") = "9"
    & skf18("2","7","6","1","9","1","1") = "8"
    & skf18("2","7","6","1","9","2","1") = "8"
    & skf18("2","7","6","1","9","3","1") = "8"
    & skf18("2","7","6","1","9","4","1") = "8"
    & skf18("2","7","6","1","9","5","1") = "8"
    & skf18("2","7","6","1","9","6","1") = "8"
    & skf18("2","7","6","1","9","7","1") = "8"
    & skf18("2","7","6","1","9","8","1") = "8"
    & skf18("2","7","6","1","9","9","1") = "8"
    & skf18("2","7","6","1","9","10","1") = "9"
    & skf18("2","7","6","1","10","1","1") = "9"
    & skf18("2","7","6","1","10","2","1") = "9"
    & skf18("2","7","6","1","10","3","1") = "9"
    & skf18("2","7","6","1","10","4","1") = "9"
    & skf18("2","7","6","1","10","5","1") = "9"
    & skf18("2","7","6","1","10","6","1") = "9"
    & skf18("2","7","6","1","10","7","1") = "9"
    & skf18("2","7","6","1","10","8","1") = "9"
    & skf18("2","7","6","1","10","9","1") = "9"
    & skf18("2","7","6","1","10","10","1") = "9"
    & skf18("2","7","6","2","1","1","1") = "6"
    & skf18("2","7","6","2","1","2","1") = "6"
    & skf18("2","7","6","2","1","3","1") = "6"
    & skf18("2","7","6","2","1","4","1") = "6"
    & skf18("2","7","6","2","1","5","1") = "6"
    & skf18("2","7","6","2","1","6","1") = "6"
    & skf18("2","7","6","2","1","7","1") = "6"
    & skf18("2","7","6","2","1","8","1") = "7"
    & skf18("2","7","6","2","1","9","1") = "8"
    & skf18("2","7","6","2","1","10","1") = "9"
    & skf18("2","7","6","2","2","1","1") = "6"
    & skf18("2","7","6","2","2","2","1") = "6"
    & skf18("2","7","6","2","2","3","1") = "6"
    & skf18("2","7","6","2","2","4","1") = "6"
    & skf18("2","7","6","2","2","5","1") = "6"
    & skf18("2","7","6","2","2","6","1") = "6"
    & skf18("2","7","6","2","2","7","1") = "6"
    & skf18("2","7","6","2","2","8","1") = "7"
    & skf18("2","7","6","2","2","9","1") = "8"
    & skf18("2","7","6","2","2","10","1") = "9"
    & skf18("2","7","6","2","3","1","1") = "6"
    & skf18("2","7","6","2","3","2","1") = "6"
    & skf18("2","7","6","2","3","3","1") = "6"
    & skf18("2","7","6","2","3","4","1") = "6"
    & skf18("2","7","6","2","3","5","1") = "6"
    & skf18("2","7","6","2","3","6","1") = "6"
    & skf18("2","7","6","2","3","7","1") = "6"
    & skf18("2","7","6","2","3","8","1") = "7"
    & skf18("2","7","6","2","3","9","1") = "8"
    & skf18("2","7","6","2","3","10","1") = "9"
    & skf18("2","7","6","2","4","1","1") = "6"
    & skf18("2","7","6","2","4","2","1") = "6"
    & skf18("2","7","6","2","4","3","1") = "6"
    & skf18("2","7","6","2","4","4","1") = "6"
    & skf18("2","7","6","2","4","5","1") = "6"
    & skf18("2","7","6","2","4","6","1") = "6"
    & skf18("2","7","6","2","4","7","1") = "6"
    & skf18("2","7","6","2","4","8","1") = "7"
    & skf18("2","7","6","2","4","9","1") = "8"
    & skf18("2","7","6","2","4","10","1") = "9"
    & skf18("2","7","6","2","5","1","1") = "6"
    & skf18("2","7","6","2","5","2","1") = "6"
    & skf18("2","7","6","2","5","3","1") = "6"
    & skf18("2","7","6","2","5","4","1") = "6"
    & skf18("2","7","6","2","5","5","1") = "6"
    & skf18("2","7","6","2","5","6","1") = "6"
    & skf18("2","7","6","2","5","7","1") = "6"
    & skf18("2","7","6","2","5","8","1") = "7"
    & skf18("2","7","6","2","5","9","1") = "8"
    & skf18("2","7","6","2","5","10","1") = "9"
    & skf18("2","7","6","2","6","1","1") = "6"
    & skf18("2","7","6","2","6","2","1") = "6"
    & skf18("2","7","6","2","6","3","1") = "6"
    & skf18("2","7","6","2","6","4","1") = "6"
    & skf18("2","7","6","2","6","5","1") = "6"
    & skf18("2","7","6","2","6","6","1") = "6"
    & skf18("2","7","6","2","6","7","1") = "6"
    & skf18("2","7","6","2","6","8","1") = "7"
    & skf18("2","7","6","2","6","9","1") = "8"
    & skf18("2","7","6","2","6","10","1") = "9"
    & skf18("2","7","6","2","7","1","1") = "6"
    & skf18("2","7","6","2","7","2","1") = "6"
    & skf18("2","7","6","2","7","3","1") = "6"
    & skf18("2","7","6","2","7","4","1") = "6"
    & skf18("2","7","6","2","7","5","1") = "6"
    & skf18("2","7","6","2","7","6","1") = "6"
    & skf18("2","7","6","2","7","7","1") = "6"
    & skf18("2","7","6","2","7","8","1") = "7"
    & skf18("2","7","6","2","7","9","1") = "8"
    & skf18("2","7","6","2","7","10","1") = "9"
    & skf18("2","7","6","2","8","1","1") = "7"
    & skf18("2","7","6","2","8","2","1") = "7"
    & skf18("2","7","6","2","8","3","1") = "7"
    & skf18("2","7","6","2","8","4","1") = "7"
    & skf18("2","7","6","2","8","5","1") = "7"
    & skf18("2","7","6","2","8","6","1") = "7"
    & skf18("2","7","6","2","8","7","1") = "7"
    & skf18("2","7","6","2","8","8","1") = "7"
    & skf18("2","7","6","2","8","9","1") = "8"
    & skf18("2","7","6","2","8","10","1") = "9"
    & skf18("2","7","6","2","9","1","1") = "8"
    & skf18("2","7","6","2","9","2","1") = "8"
    & skf18("2","7","6","2","9","3","1") = "8"
    & skf18("2","7","6","2","9","4","1") = "8"
    & skf18("2","7","6","2","9","5","1") = "8"
    & skf18("2","7","6","2","9","6","1") = "8"
    & skf18("2","7","6","2","9","7","1") = "8"
    & skf18("2","7","6","2","9","8","1") = "8"
    & skf18("2","7","6","2","9","9","1") = "8"
    & skf18("2","7","6","2","9","10","1") = "9"
    & skf18("2","7","6","2","10","1","1") = "9"
    & skf18("2","7","6","2","10","2","1") = "9"
    & skf18("2","7","6","2","10","3","1") = "9"
    & skf18("2","7","6","2","10","4","1") = "9"
    & skf18("2","7","6","2","10","5","1") = "9"
    & skf18("2","7","6","2","10","6","1") = "9"
    & skf18("2","7","6","2","10","7","1") = "9"
    & skf18("2","7","6","2","10","8","1") = "9"
    & skf18("2","7","6","2","10","9","1") = "9"
    & skf18("2","7","6","2","10","10","1") = "9"
    & skf18("2","7","6","3","1","1","1") = "6"
    & skf18("2","7","6","3","1","2","1") = "6"
    & skf18("2","7","6","3","1","3","1") = "6"
    & skf18("2","7","6","3","1","4","1") = "6"
    & skf18("2","7","6","3","1","5","1") = "6"
    & skf18("2","7","6","3","1","6","1") = "6"
    & skf18("2","7","6","3","1","7","1") = "6"
    & skf18("2","7","6","3","1","8","1") = "7"
    & skf18("2","7","6","3","1","9","1") = "8"
    & skf18("2","7","6","3","1","10","1") = "9"
    & skf18("2","7","6","3","2","1","1") = "6"
    & skf18("2","7","6","3","2","2","1") = "6"
    & skf18("2","7","6","3","2","3","1") = "6"
    & skf18("2","7","6","3","2","4","1") = "6"
    & skf18("2","7","6","3","2","5","1") = "6"
    & skf18("2","7","6","3","2","6","1") = "6"
    & skf18("2","7","6","3","2","7","1") = "6"
    & skf18("2","7","6","3","2","8","1") = "7"
    & skf18("2","7","6","3","2","9","1") = "8"
    & skf18("2","7","6","3","2","10","1") = "9"
    & skf18("2","7","6","3","3","1","1") = "6"
    & skf18("2","7","6","3","3","2","1") = "6"
    & skf18("2","7","6","3","3","3","1") = "6"
    & skf18("2","7","6","3","3","4","1") = "6"
    & skf18("2","7","6","3","3","5","1") = "6"
    & skf18("2","7","6","3","3","6","1") = "6"
    & skf18("2","7","6","3","3","7","1") = "6"
    & skf18("2","7","6","3","3","8","1") = "7"
    & skf18("2","7","6","3","3","9","1") = "8"
    & skf18("2","7","6","3","3","10","1") = "9"
    & skf18("2","7","6","3","4","1","1") = "6"
    & skf18("2","7","6","3","4","2","1") = "6"
    & skf18("2","7","6","3","4","3","1") = "6"
    & skf18("2","7","6","3","4","4","1") = "6"
    & skf18("2","7","6","3","4","5","1") = "6"
    & skf18("2","7","6","3","4","6","1") = "6"
    & skf18("2","7","6","3","4","7","1") = "6"
    & skf18("2","7","6","3","4","8","1") = "7"
    & skf18("2","7","6","3","4","9","1") = "8"
    & skf18("2","7","6","3","4","10","1") = "9"
    & skf18("2","7","6","3","5","1","1") = "6"
    & skf18("2","7","6","3","5","2","1") = "6"
    & skf18("2","7","6","3","5","3","1") = "6"
    & skf18("2","7","6","3","5","4","1") = "6"
    & skf18("2","7","6","3","5","5","1") = "6"
    & skf18("2","7","6","3","5","6","1") = "6"
    & skf18("2","7","6","3","5","7","1") = "6"
    & skf18("2","7","6","3","5","8","1") = "7"
    & skf18("2","7","6","3","5","9","1") = "8"
    & skf18("2","7","6","3","5","10","1") = "9"
    & skf18("2","7","6","3","6","1","1") = "6"
    & skf18("2","7","6","3","6","2","1") = "6"
    & skf18("2","7","6","3","6","3","1") = "6"
    & skf18("2","7","6","3","6","4","1") = "6"
    & skf18("2","7","6","3","6","5","1") = "6"
    & skf18("2","7","6","3","6","6","1") = "6"
    & skf18("2","7","6","3","6","7","1") = "6"
    & skf18("2","7","6","3","6","8","1") = "7"
    & skf18("2","7","6","3","6","9","1") = "8"
    & skf18("2","7","6","3","6","10","1") = "9"
    & skf18("2","7","6","3","7","1","1") = "6"
    & skf18("2","7","6","3","7","2","1") = "6"
    & skf18("2","7","6","3","7","3","1") = "6"
    & skf18("2","7","6","3","7","4","1") = "6"
    & skf18("2","7","6","3","7","5","1") = "6"
    & skf18("2","7","6","3","7","6","1") = "6"
    & skf18("2","7","6","3","7","7","1") = "6"
    & skf18("2","7","6","3","7","8","1") = "7"
    & skf18("2","7","6","3","7","9","1") = "8"
    & skf18("2","7","6","3","7","10","1") = "9"
    & skf18("2","7","6","3","8","1","1") = "7"
    & skf18("2","7","6","3","8","2","1") = "7"
    & skf18("2","7","6","3","8","3","1") = "7"
    & skf18("2","7","6","3","8","4","1") = "7"
    & skf18("2","7","6","3","8","5","1") = "7"
    & skf18("2","7","6","3","8","6","1") = "7"
    & skf18("2","7","6","3","8","7","1") = "7"
    & skf18("2","7","6","3","8","8","1") = "7"
    & skf18("2","7","6","3","8","9","1") = "8"
    & skf18("2","7","6","3","8","10","1") = "9"
    & skf18("2","7","6","3","9","1","1") = "8"
    & skf18("2","7","6","3","9","2","1") = "8"
    & skf18("2","7","6","3","9","3","1") = "8"
    & skf18("2","7","6","3","9","4","1") = "8"
    & skf18("2","7","6","3","9","5","1") = "8"
    & skf18("2","7","6","3","9","6","1") = "8"
    & skf18("2","7","6","3","9","7","1") = "8"
    & skf18("2","7","6","3","9","8","1") = "8"
    & skf18("2","7","6","3","9","9","1") = "8"
    & skf18("2","7","6","3","9","10","1") = "9"
    & skf18("2","7","6","3","10","1","1") = "9"
    & skf18("2","7","6","3","10","2","1") = "9"
    & skf18("2","7","6","3","10","3","1") = "9"
    & skf18("2","7","6","3","10","4","1") = "9"
    & skf18("2","7","6","3","10","5","1") = "9"
    & skf18("2","7","6","3","10","6","1") = "9"
    & skf18("2","7","6","3","10","7","1") = "9"
    & skf18("2","7","6","3","10","8","1") = "9"
    & skf18("2","7","6","3","10","9","1") = "9"
    & skf18("2","7","6","3","10","10","1") = "9"
    & skf18("2","7","6","4","1","1","1") = "6"
    & skf18("2","7","6","4","1","2","1") = "6"
    & skf18("2","7","6","4","1","3","1") = "6"
    & skf18("2","7","6","4","1","4","1") = "6"
    & skf18("2","7","6","4","1","5","1") = "6"
    & skf18("2","7","6","4","1","6","1") = "6"
    & skf18("2","7","6","4","1","7","1") = "6"
    & skf18("2","7","6","4","1","8","1") = "7"
    & skf18("2","7","6","4","1","9","1") = "8"
    & skf18("2","7","6","4","1","10","1") = "9"
    & skf18("2","7","6","4","2","1","1") = "6"
    & skf18("2","7","6","4","2","2","1") = "6"
    & skf18("2","7","6","4","2","3","1") = "6"
    & skf18("2","7","6","4","2","4","1") = "6"
    & skf18("2","7","6","4","2","5","1") = "6"
    & skf18("2","7","6","4","2","6","1") = "6"
    & skf18("2","7","6","4","2","7","1") = "6"
    & skf18("2","7","6","4","2","8","1") = "7"
    & skf18("2","7","6","4","2","9","1") = "8"
    & skf18("2","7","6","4","2","10","1") = "9"
    & skf18("2","7","6","4","3","1","1") = "6"
    & skf18("2","7","6","4","3","2","1") = "6"
    & skf18("2","7","6","4","3","3","1") = "6"
    & skf18("2","7","6","4","3","4","1") = "6"
    & skf18("2","7","6","4","3","5","1") = "6"
    & skf18("2","7","6","4","3","6","1") = "6"
    & skf18("2","7","6","4","3","7","1") = "6"
    & skf18("2","7","6","4","3","8","1") = "7"
    & skf18("2","7","6","4","3","9","1") = "8"
    & skf18("2","7","6","4","3","10","1") = "9"
    & skf18("2","7","6","4","4","1","1") = "6"
    & skf18("2","7","6","4","4","2","1") = "6"
    & skf18("2","7","6","4","4","3","1") = "6"
    & skf18("2","7","6","4","4","4","1") = "6"
    & skf18("2","7","6","4","4","5","1") = "6"
    & skf18("2","7","6","4","4","6","1") = "6"
    & skf18("2","7","6","4","4","7","1") = "6"
    & skf18("2","7","6","4","4","8","1") = "7"
    & skf18("2","7","6","4","4","9","1") = "8"
    & skf18("2","7","6","4","4","10","1") = "9"
    & skf18("2","7","6","4","5","1","1") = "6"
    & skf18("2","7","6","4","5","2","1") = "6"
    & skf18("2","7","6","4","5","3","1") = "6"
    & skf18("2","7","6","4","5","4","1") = "6"
    & skf18("2","7","6","4","5","5","1") = "6"
    & skf18("2","7","6","4","5","6","1") = "6"
    & skf18("2","7","6","4","5","7","1") = "6"
    & skf18("2","7","6","4","5","8","1") = "7"
    & skf18("2","7","6","4","5","9","1") = "8"
    & skf18("2","7","6","4","5","10","1") = "9"
    & skf18("2","7","6","4","6","1","1") = "6"
    & skf18("2","7","6","4","6","2","1") = "6"
    & skf18("2","7","6","4","6","3","1") = "6"
    & skf18("2","7","6","4","6","4","1") = "6"
    & skf18("2","7","6","4","6","5","1") = "6"
    & skf18("2","7","6","4","6","6","1") = "6"
    & skf18("2","7","6","4","6","7","1") = "6"
    & skf18("2","7","6","4","6","8","1") = "7"
    & skf18("2","7","6","4","6","9","1") = "8"
    & skf18("2","7","6","4","6","10","1") = "9"
    & skf18("2","7","6","4","7","1","1") = "6"
    & skf18("2","7","6","4","7","2","1") = "6"
    & skf18("2","7","6","4","7","3","1") = "6"
    & skf18("2","7","6","4","7","4","1") = "6"
    & skf18("2","7","6","4","7","5","1") = "6"
    & skf18("2","7","6","4","7","6","1") = "6"
    & skf18("2","7","6","4","7","7","1") = "6"
    & skf18("2","7","6","4","7","8","1") = "7"
    & skf18("2","7","6","4","7","9","1") = "8"
    & skf18("2","7","6","4","7","10","1") = "9"
    & skf18("2","7","6","4","8","1","1") = "7"
    & skf18("2","7","6","4","8","2","1") = "7"
    & skf18("2","7","6","4","8","3","1") = "7"
    & skf18("2","7","6","4","8","4","1") = "7"
    & skf18("2","7","6","4","8","5","1") = "7"
    & skf18("2","7","6","4","8","6","1") = "7"
    & skf18("2","7","6","4","8","7","1") = "7"
    & skf18("2","7","6","4","8","8","1") = "7"
    & skf18("2","7","6","4","8","9","1") = "8"
    & skf18("2","7","6","4","8","10","1") = "9"
    & skf18("2","7","6","4","9","1","1") = "8"
    & skf18("2","7","6","4","9","2","1") = "8"
    & skf18("2","7","6","4","9","3","1") = "8"
    & skf18("2","7","6","4","9","4","1") = "8"
    & skf18("2","7","6","4","9","5","1") = "8"
    & skf18("2","7","6","4","9","6","1") = "8"
    & skf18("2","7","6","4","9","7","1") = "8"
    & skf18("2","7","6","4","9","8","1") = "8"
    & skf18("2","7","6","4","9","9","1") = "8"
    & skf18("2","7","6","4","9","10","1") = "9"
    & skf18("2","7","6","4","10","1","1") = "9"
    & skf18("2","7","6","4","10","2","1") = "9"
    & skf18("2","7","6","4","10","3","1") = "9"
    & skf18("2","7","6","4","10","4","1") = "9"
    & skf18("2","7","6","4","10","5","1") = "9"
    & skf18("2","7","6","4","10","6","1") = "9"
    & skf18("2","7","6","4","10","7","1") = "9"
    & skf18("2","7","6","4","10","8","1") = "9"
    & skf18("2","7","6","4","10","9","1") = "9"
    & skf18("2","7","6","4","10","10","1") = "9"
    & skf18("2","7","6","5","1","1","1") = "6"
    & skf18("2","7","6","5","1","2","1") = "6"
    & skf18("2","7","6","5","1","3","1") = "6"
    & skf18("2","7","6","5","1","4","1") = "6"
    & skf18("2","7","6","5","1","5","1") = "6"
    & skf18("2","7","6","5","1","6","1") = "6"
    & skf18("2","7","6","5","1","7","1") = "6"
    & skf18("2","7","6","5","1","8","1") = "7"
    & skf18("2","7","6","5","1","9","1") = "8"
    & skf18("2","7","6","5","1","10","1") = "9"
    & skf18("2","7","6","5","2","1","1") = "6"
    & skf18("2","7","6","5","2","2","1") = "6"
    & skf18("2","7","6","5","2","3","1") = "6"
    & skf18("2","7","6","5","2","4","1") = "6"
    & skf18("2","7","6","5","2","5","1") = "6"
    & skf18("2","7","6","5","2","6","1") = "6"
    & skf18("2","7","6","5","2","7","1") = "6"
    & skf18("2","7","6","5","2","8","1") = "7"
    & skf18("2","7","6","5","2","9","1") = "8"
    & skf18("2","7","6","5","2","10","1") = "9"
    & skf18("2","7","6","5","3","1","1") = "6"
    & skf18("2","7","6","5","3","2","1") = "6"
    & skf18("2","7","6","5","3","3","1") = "6"
    & skf18("2","7","6","5","3","4","1") = "6"
    & skf18("2","7","6","5","3","5","1") = "6"
    & skf18("2","7","6","5","3","6","1") = "6"
    & skf18("2","7","6","5","3","7","1") = "6"
    & skf18("2","7","6","5","3","8","1") = "7"
    & skf18("2","7","6","5","3","9","1") = "8"
    & skf18("2","7","6","5","3","10","1") = "9"
    & skf18("2","7","6","5","4","1","1") = "6"
    & skf18("2","7","6","5","4","2","1") = "6"
    & skf18("2","7","6","5","4","3","1") = "6"
    & skf18("2","7","6","5","4","4","1") = "6"
    & skf18("2","7","6","5","4","5","1") = "6"
    & skf18("2","7","6","5","4","6","1") = "6"
    & skf18("2","7","6","5","4","7","1") = "6"
    & skf18("2","7","6","5","4","8","1") = "7"
    & skf18("2","7","6","5","4","9","1") = "8"
    & skf18("2","7","6","5","4","10","1") = "9"
    & skf18("2","7","6","5","5","1","1") = "6"
    & skf18("2","7","6","5","5","2","1") = "6"
    & skf18("2","7","6","5","5","3","1") = "6"
    & skf18("2","7","6","5","5","4","1") = "6"
    & skf18("2","7","6","5","5","5","1") = "6"
    & skf18("2","7","6","5","5","6","1") = "6"
    & skf18("2","7","6","5","5","7","1") = "6"
    & skf18("2","7","6","5","5","8","1") = "7"
    & skf18("2","7","6","5","5","9","1") = "8"
    & skf18("2","7","6","5","5","10","1") = "9"
    & skf18("2","7","6","5","6","1","1") = "6"
    & skf18("2","7","6","5","6","2","1") = "6"
    & skf18("2","7","6","5","6","3","1") = "6"
    & skf18("2","7","6","5","6","4","1") = "6"
    & skf18("2","7","6","5","6","5","1") = "6"
    & skf18("2","7","6","5","6","6","1") = "6"
    & skf18("2","7","6","5","6","7","1") = "6"
    & skf18("2","7","6","5","6","8","1") = "7"
    & skf18("2","7","6","5","6","9","1") = "8"
    & skf18("2","7","6","5","6","10","1") = "9"
    & skf18("2","7","6","5","7","1","1") = "6"
    & skf18("2","7","6","5","7","2","1") = "6"
    & skf18("2","7","6","5","7","3","1") = "6"
    & skf18("2","7","6","5","7","4","1") = "6"
    & skf18("2","7","6","5","7","5","1") = "6"
    & skf18("2","7","6","5","7","6","1") = "6"
    & skf18("2","7","6","5","7","7","1") = "6"
    & skf18("2","7","6","5","7","8","1") = "7"
    & skf18("2","7","6","5","7","9","1") = "8"
    & skf18("2","7","6","5","7","10","1") = "9"
    & skf18("2","7","6","5","8","1","1") = "7"
    & skf18("2","7","6","5","8","2","1") = "7"
    & skf18("2","7","6","5","8","3","1") = "7"
    & skf18("2","7","6","5","8","4","1") = "7"
    & skf18("2","7","6","5","8","5","1") = "7"
    & skf18("2","7","6","5","8","6","1") = "7"
    & skf18("2","7","6","5","8","7","1") = "7"
    & skf18("2","7","6","5","8","8","1") = "7"
    & skf18("2","7","6","5","8","9","1") = "8"
    & skf18("2","7","6","5","8","10","1") = "9"
    & skf18("2","7","6","5","9","1","1") = "8"
    & skf18("2","7","6","5","9","2","1") = "8"
    & skf18("2","7","6","5","9","3","1") = "8"
    & skf18("2","7","6","5","9","4","1") = "8"
    & skf18("2","7","6","5","9","5","1") = "8"
    & skf18("2","7","6","5","9","6","1") = "8"
    & skf18("2","7","6","5","9","7","1") = "8"
    & skf18("2","7","6","5","9","8","1") = "8"
    & skf18("2","7","6","5","9","9","1") = "8"
    & skf18("2","7","6","5","9","10","1") = "9"
    & skf18("2","7","6","5","10","1","1") = "9"
    & skf18("2","7","6","5","10","2","1") = "9"
    & skf18("2","7","6","5","10","3","1") = "9"
    & skf18("2","7","6","5","10","4","1") = "9"
    & skf18("2","7","6","5","10","5","1") = "9"
    & skf18("2","7","6","5","10","6","1") = "9"
    & skf18("2","7","6","5","10","7","1") = "9"
    & skf18("2","7","6","5","10","8","1") = "9"
    & skf18("2","7","6","5","10","9","1") = "9"
    & skf18("2","7","6","5","10","10","1") = "9"
    & skf18("2","7","6","6","1","1","1") = "6"
    & skf18("2","7","6","6","1","2","1") = "6"
    & skf18("2","7","6","6","1","3","1") = "6"
    & skf18("2","7","6","6","1","4","1") = "6"
    & skf18("2","7","6","6","1","5","1") = "6"
    & skf18("2","7","6","6","1","6","1") = "6"
    & skf18("2","7","6","6","1","7","1") = "6"
    & skf18("2","7","6","6","1","8","1") = "7"
    & skf18("2","7","6","6","1","9","1") = "8"
    & skf18("2","7","6","6","1","10","1") = "9"
    & skf18("2","7","6","6","2","1","1") = "6"
    & skf18("2","7","6","6","2","2","1") = "6"
    & skf18("2","7","6","6","2","3","1") = "6"
    & skf18("2","7","6","6","2","4","1") = "6"
    & skf18("2","7","6","6","2","5","1") = "6"
    & skf18("2","7","6","6","2","6","1") = "6"
    & skf18("2","7","6","6","2","7","1") = "6"
    & skf18("2","7","6","6","2","8","1") = "7"
    & skf18("2","7","6","6","2","9","1") = "8"
    & skf18("2","7","6","6","2","10","1") = "9"
    & skf18("2","7","6","6","3","1","1") = "6"
    & skf18("2","7","6","6","3","2","1") = "6"
    & skf18("2","7","6","6","3","3","1") = "6"
    & skf18("2","7","6","6","3","4","1") = "6"
    & skf18("2","7","6","6","3","5","1") = "6"
    & skf18("2","7","6","6","3","6","1") = "6"
    & skf18("2","7","6","6","3","7","1") = "6"
    & skf18("2","7","6","6","3","8","1") = "7"
    & skf18("2","7","6","6","3","9","1") = "8"
    & skf18("2","7","6","6","3","10","1") = "9"
    & skf18("2","7","6","6","4","1","1") = "6"
    & skf18("2","7","6","6","4","2","1") = "6"
    & skf18("2","7","6","6","4","3","1") = "6"
    & skf18("2","7","6","6","4","4","1") = "6"
    & skf18("2","7","6","6","4","5","1") = "6"
    & skf18("2","7","6","6","4","6","1") = "6"
    & skf18("2","7","6","6","4","7","1") = "6"
    & skf18("2","7","6","6","4","8","1") = "7"
    & skf18("2","7","6","6","4","9","1") = "8"
    & skf18("2","7","6","6","4","10","1") = "9"
    & skf18("2","7","6","6","5","1","1") = "6"
    & skf18("2","7","6","6","5","2","1") = "6"
    & skf18("2","7","6","6","5","3","1") = "6"
    & skf18("2","7","6","6","5","4","1") = "6"
    & skf18("2","7","6","6","5","5","1") = "6"
    & skf18("2","7","6","6","5","6","1") = "6"
    & skf18("2","7","6","6","5","7","1") = "6"
    & skf18("2","7","6","6","5","8","1") = "7"
    & skf18("2","7","6","6","5","9","1") = "8"
    & skf18("2","7","6","6","5","10","1") = "9"
    & skf18("2","7","6","6","6","1","1") = "6"
    & skf18("2","7","6","6","6","2","1") = "6"
    & skf18("2","7","6","6","6","3","1") = "6"
    & skf18("2","7","6","6","6","4","1") = "6"
    & skf18("2","7","6","6","6","5","1") = "6"
    & skf18("2","7","6","6","6","6","1") = "6"
    & skf18("2","7","6","6","6","7","1") = "6"
    & skf18("2","7","6","6","6","8","1") = "7"
    & skf18("2","7","6","6","6","9","1") = "8"
    & skf18("2","7","6","6","6","10","1") = "9"
    & skf18("2","7","6","6","7","1","1") = "6"
    & skf18("2","7","6","6","7","2","1") = "6"
    & skf18("2","7","6","6","7","3","1") = "6"
    & skf18("2","7","6","6","7","4","1") = "6"
    & skf18("2","7","6","6","7","5","1") = "6"
    & skf18("2","7","6","6","7","6","1") = "6"
    & skf18("2","7","6","6","7","7","1") = "6"
    & skf18("2","7","6","6","7","8","1") = "7"
    & skf18("2","7","6","6","7","9","1") = "8"
    & skf18("2","7","6","6","7","10","1") = "9"
    & skf18("2","7","6","6","8","1","1") = "7"
    & skf18("2","7","6","6","8","2","1") = "7"
    & skf18("2","7","6","6","8","3","1") = "7"
    & skf18("2","7","6","6","8","4","1") = "7"
    & skf18("2","7","6","6","8","5","1") = "7"
    & skf18("2","7","6","6","8","6","1") = "7"
    & skf18("2","7","6","6","8","7","1") = "7"
    & skf18("2","7","6","6","8","8","1") = "7"
    & skf18("2","7","6","6","8","9","1") = "8"
    & skf18("2","7","6","6","8","10","1") = "9"
    & skf18("2","7","6","6","9","1","1") = "8"
    & skf18("2","7","6","6","9","2","1") = "8"
    & skf18("2","7","6","6","9","3","1") = "8"
    & skf18("2","7","6","6","9","4","1") = "8"
    & skf18("2","7","6","6","9","5","1") = "8"
    & skf18("2","7","6","6","9","6","1") = "8"
    & skf18("2","7","6","6","9","7","1") = "8"
    & skf18("2","7","6","6","9","8","1") = "8"
    & skf18("2","7","6","6","9","9","1") = "8"
    & skf18("2","7","6","6","9","10","1") = "9"
    & skf18("2","7","6","6","10","1","1") = "9"
    & skf18("2","7","6","6","10","2","1") = "9"
    & skf18("2","7","6","6","10","3","1") = "9"
    & skf18("2","7","6","6","10","4","1") = "9"
    & skf18("2","7","6","6","10","5","1") = "9"
    & skf18("2","7","6","6","10","6","1") = "9"
    & skf18("2","7","6","6","10","7","1") = "9"
    & skf18("2","7","6","6","10","8","1") = "9"
    & skf18("2","7","6","6","10","9","1") = "9"
    & skf18("2","7","6","6","10","10","1") = "9"
    & skf18("2","7","6","7","1","1","1") = "6"
    & skf18("2","7","6","7","1","2","1") = "6"
    & skf18("2","7","6","7","1","3","1") = "6"
    & skf18("2","7","6","7","1","4","1") = "6"
    & skf18("2","7","6","7","1","5","1") = "6"
    & skf18("2","7","6","7","1","6","1") = "6"
    & skf18("2","7","6","7","1","7","1") = "6"
    & skf18("2","7","6","7","1","8","1") = "7"
    & skf18("2","7","6","7","1","9","1") = "8"
    & skf18("2","7","6","7","1","10","1") = "9"
    & skf18("2","7","6","7","2","1","1") = "6"
    & skf18("2","7","6","7","2","2","1") = "6"
    & skf18("2","7","6","7","2","3","1") = "6"
    & skf18("2","7","6","7","2","4","1") = "6"
    & skf18("2","7","6","7","2","5","1") = "6"
    & skf18("2","7","6","7","2","6","1") = "6"
    & skf18("2","7","6","7","2","7","1") = "6"
    & skf18("2","7","6","7","2","8","1") = "7"
    & skf18("2","7","6","7","2","9","1") = "8"
    & skf18("2","7","6","7","2","10","1") = "9"
    & skf18("2","7","6","7","3","1","1") = "6"
    & skf18("2","7","6","7","3","2","1") = "6"
    & skf18("2","7","6","7","3","3","1") = "6"
    & skf18("2","7","6","7","3","4","1") = "6"
    & skf18("2","7","6","7","3","5","1") = "6"
    & skf18("2","7","6","7","3","6","1") = "6"
    & skf18("2","7","6","7","3","7","1") = "6"
    & skf18("2","7","6","7","3","8","1") = "7"
    & skf18("2","7","6","7","3","9","1") = "8"
    & skf18("2","7","6","7","3","10","1") = "9"
    & skf18("2","7","6","7","4","1","1") = "6"
    & skf18("2","7","6","7","4","2","1") = "6"
    & skf18("2","7","6","7","4","3","1") = "6"
    & skf18("2","7","6","7","4","4","1") = "6"
    & skf18("2","7","6","7","4","5","1") = "6"
    & skf18("2","7","6","7","4","6","1") = "6"
    & skf18("2","7","6","7","4","7","1") = "6"
    & skf18("2","7","6","7","4","8","1") = "7"
    & skf18("2","7","6","7","4","9","1") = "8"
    & skf18("2","7","6","7","4","10","1") = "9"
    & skf18("2","7","6","7","5","1","1") = "6"
    & skf18("2","7","6","7","5","2","1") = "6"
    & skf18("2","7","6","7","5","3","1") = "6"
    & skf18("2","7","6","7","5","4","1") = "6"
    & skf18("2","7","6","7","5","5","1") = "6"
    & skf18("2","7","6","7","5","6","1") = "6"
    & skf18("2","7","6","7","5","7","1") = "6"
    & skf18("2","7","6","7","5","8","1") = "7"
    & skf18("2","7","6","7","5","9","1") = "8"
    & skf18("2","7","6","7","5","10","1") = "9"
    & skf18("2","7","6","7","6","1","1") = "6"
    & skf18("2","7","6","7","6","2","1") = "6"
    & skf18("2","7","6","7","6","3","1") = "6"
    & skf18("2","7","6","7","6","4","1") = "6"
    & skf18("2","7","6","7","6","5","1") = "6"
    & skf18("2","7","6","7","6","6","1") = "6"
    & skf18("2","7","6","7","6","7","1") = "6"
    & skf18("2","7","6","7","6","8","1") = "7"
    & skf18("2","7","6","7","6","9","1") = "8"
    & skf18("2","7","6","7","6","10","1") = "9"
    & skf18("2","7","6","7","7","1","1") = "6"
    & skf18("2","7","6","7","7","2","1") = "6"
    & skf18("2","7","6","7","7","3","1") = "6"
    & skf18("2","7","6","7","7","4","1") = "6"
    & skf18("2","7","6","7","7","5","1") = "6"
    & skf18("2","7","6","7","7","6","1") = "6"
    & skf18("2","7","6","7","7","7","1") = "6"
    & skf18("2","7","6","7","7","8","1") = "7"
    & skf18("2","7","6","7","7","9","1") = "8"
    & skf18("2","7","6","7","7","10","1") = "9"
    & skf18("2","7","6","7","8","1","1") = "7"
    & skf18("2","7","6","7","8","2","1") = "7"
    & skf18("2","7","6","7","8","3","1") = "7"
    & skf18("2","7","6","7","8","4","1") = "7"
    & skf18("2","7","6","7","8","5","1") = "7"
    & skf18("2","7","6","7","8","6","1") = "7"
    & skf18("2","7","6","7","8","7","1") = "7"
    & skf18("2","7","6","7","8","8","1") = "7"
    & skf18("2","7","6","7","8","9","1") = "8"
    & skf18("2","7","6","7","8","10","1") = "9"
    & skf18("2","7","6","7","9","1","1") = "8"
    & skf18("2","7","6","7","9","2","1") = "8"
    & skf18("2","7","6","7","9","3","1") = "8"
    & skf18("2","7","6","7","9","4","1") = "8"
    & skf18("2","7","6","7","9","5","1") = "8"
    & skf18("2","7","6","7","9","6","1") = "8"
    & skf18("2","7","6","7","9","7","1") = "8"
    & skf18("2","7","6","7","9","8","1") = "8"
    & skf18("2","7","6","7","9","9","1") = "8"
    & skf18("2","7","6","7","9","10","1") = "9"
    & skf18("2","7","6","7","10","1","1") = "9"
    & skf18("2","7","6","7","10","2","1") = "9"
    & skf18("2","7","6","7","10","3","1") = "9"
    & skf18("2","7","6","7","10","4","1") = "9"
    & skf18("2","7","6","7","10","5","1") = "9"
    & skf18("2","7","6","7","10","6","1") = "9"
    & skf18("2","7","6","7","10","7","1") = "9"
    & skf18("2","7","6","7","10","8","1") = "9"
    & skf18("2","7","6","7","10","9","1") = "9"
    & skf18("2","7","6","7","10","10","1") = "9"
    & skf18("2","7","6","8","1","1","1") = "7"
    & skf18("2","7","6","8","1","2","1") = "7"
    & skf18("2","7","6","8","1","3","1") = "7"
    & skf18("2","7","6","8","1","4","1") = "7"
    & skf18("2","7","6","8","1","5","1") = "7"
    & skf18("2","7","6","8","1","6","1") = "7"
    & skf18("2","7","6","8","1","7","1") = "7"
    & skf18("2","7","6","8","1","8","1") = "7"
    & skf18("2","7","6","8","1","9","1") = "8"
    & skf18("2","7","6","8","1","10","1") = "9"
    & skf18("2","7","6","8","2","1","1") = "7"
    & skf18("2","7","6","8","2","2","1") = "7"
    & skf18("2","7","6","8","2","3","1") = "7"
    & skf18("2","7","6","8","2","4","1") = "7"
    & skf18("2","7","6","8","2","5","1") = "7"
    & skf18("2","7","6","8","2","6","1") = "7"
    & skf18("2","7","6","8","2","7","1") = "7"
    & skf18("2","7","6","8","2","8","1") = "7"
    & skf18("2","7","6","8","2","9","1") = "8"
    & skf18("2","7","6","8","2","10","1") = "9"
    & skf18("2","7","6","8","3","1","1") = "7"
    & skf18("2","7","6","8","3","2","1") = "7"
    & skf18("2","7","6","8","3","3","1") = "7"
    & skf18("2","7","6","8","3","4","1") = "7"
    & skf18("2","7","6","8","3","5","1") = "7"
    & skf18("2","7","6","8","3","6","1") = "7"
    & skf18("2","7","6","8","3","7","1") = "7"
    & skf18("2","7","6","8","3","8","1") = "7"
    & skf18("2","7","6","8","3","9","1") = "8"
    & skf18("2","7","6","8","3","10","1") = "9"
    & skf18("2","7","6","8","4","1","1") = "7"
    & skf18("2","7","6","8","4","2","1") = "7"
    & skf18("2","7","6","8","4","3","1") = "7"
    & skf18("2","7","6","8","4","4","1") = "7"
    & skf18("2","7","6","8","4","5","1") = "7"
    & skf18("2","7","6","8","4","6","1") = "7"
    & skf18("2","7","6","8","4","7","1") = "7"
    & skf18("2","7","6","8","4","8","1") = "7"
    & skf18("2","7","6","8","4","9","1") = "8"
    & skf18("2","7","6","8","4","10","1") = "9"
    & skf18("2","7","6","8","5","1","1") = "7"
    & skf18("2","7","6","8","5","2","1") = "7"
    & skf18("2","7","6","8","5","3","1") = "7"
    & skf18("2","7","6","8","5","4","1") = "7"
    & skf18("2","7","6","8","5","5","1") = "7"
    & skf18("2","7","6","8","5","6","1") = "7"
    & skf18("2","7","6","8","5","7","1") = "7"
    & skf18("2","7","6","8","5","8","1") = "7"
    & skf18("2","7","6","8","5","9","1") = "8"
    & skf18("2","7","6","8","5","10","1") = "9"
    & skf18("2","7","6","8","6","1","1") = "7"
    & skf18("2","7","6","8","6","2","1") = "7"
    & skf18("2","7","6","8","6","3","1") = "7"
    & skf18("2","7","6","8","6","4","1") = "7"
    & skf18("2","7","6","8","6","5","1") = "7"
    & skf18("2","7","6","8","6","6","1") = "7"
    & skf18("2","7","6","8","6","7","1") = "7"
    & skf18("2","7","6","8","6","8","1") = "7"
    & skf18("2","7","6","8","6","9","1") = "8"
    & skf18("2","7","6","8","6","10","1") = "9"
    & skf18("2","7","6","8","7","1","1") = "7"
    & skf18("2","7","6","8","7","2","1") = "7"
    & skf18("2","7","6","8","7","3","1") = "7"
    & skf18("2","7","6","8","7","4","1") = "7"
    & skf18("2","7","6","8","7","5","1") = "7"
    & skf18("2","7","6","8","7","6","1") = "7"
    & skf18("2","7","6","8","7","7","1") = "7"
    & skf18("2","7","6","8","7","8","1") = "7"
    & skf18("2","7","6","8","7","9","1") = "8"
    & skf18("2","7","6","8","7","10","1") = "9"
    & skf18("2","7","6","8","8","1","1") = "7"
    & skf18("2","7","6","8","8","2","1") = "7"
    & skf18("2","7","6","8","8","3","1") = "7"
    & skf18("2","7","6","8","8","4","1") = "7"
    & skf18("2","7","6","8","8","5","1") = "7"
    & skf18("2","7","6","8","8","6","1") = "7"
    & skf18("2","7","6","8","8","7","1") = "7"
    & skf18("2","7","6","8","8","8","1") = "7"
    & skf18("2","7","6","8","8","9","1") = "8"
    & skf18("2","7","6","8","8","10","1") = "9"
    & skf18("2","7","6","8","9","1","1") = "8"
    & skf18("2","7","6","8","9","2","1") = "8"
    & skf18("2","7","6","8","9","3","1") = "8"
    & skf18("2","7","6","8","9","4","1") = "8"
    & skf18("2","7","6","8","9","5","1") = "8"
    & skf18("2","7","6","8","9","6","1") = "8"
    & skf18("2","7","6","8","9","7","1") = "8"
    & skf18("2","7","6","8","9","8","1") = "8"
    & skf18("2","7","6","8","9","9","1") = "8"
    & skf18("2","7","6","8","9","10","1") = "9"
    & skf18("2","7","6","8","10","1","1") = "9"
    & skf18("2","7","6","8","10","2","1") = "9"
    & skf18("2","7","6","8","10","3","1") = "9"
    & skf18("2","7","6","8","10","4","1") = "9"
    & skf18("2","7","6","8","10","5","1") = "9"
    & skf18("2","7","6","8","10","6","1") = "9"
    & skf18("2","7","6","8","10","7","1") = "9"
    & skf18("2","7","6","8","10","8","1") = "9"
    & skf18("2","7","6","8","10","9","1") = "9"
    & skf18("2","7","6","8","10","10","1") = "9"
    & skf18("2","7","6","9","1","1","1") = "8"
    & skf18("2","7","6","9","1","2","1") = "8"
    & skf18("2","7","6","9","1","3","1") = "8"
    & skf18("2","7","6","9","1","4","1") = "8"
    & skf18("2","7","6","9","1","5","1") = "8"
    & skf18("2","7","6","9","1","6","1") = "8"
    & skf18("2","7","6","9","1","7","1") = "8"
    & skf18("2","7","6","9","1","8","1") = "8"
    & skf18("2","7","6","9","1","9","1") = "8"
    & skf18("2","7","6","9","1","10","1") = "9"
    & skf18("2","7","6","9","2","1","1") = "8"
    & skf18("2","7","6","9","2","2","1") = "8"
    & skf18("2","7","6","9","2","3","1") = "8"
    & skf18("2","7","6","9","2","4","1") = "8"
    & skf18("2","7","6","9","2","5","1") = "8"
    & skf18("2","7","6","9","2","6","1") = "8"
    & skf18("2","7","6","9","2","7","1") = "8"
    & skf18("2","7","6","9","2","8","1") = "8"
    & skf18("2","7","6","9","2","9","1") = "8"
    & skf18("2","7","6","9","2","10","1") = "9"
    & skf18("2","7","6","9","3","1","1") = "8"
    & skf18("2","7","6","9","3","2","1") = "8"
    & skf18("2","7","6","9","3","3","1") = "8"
    & skf18("2","7","6","9","3","4","1") = "8"
    & skf18("2","7","6","9","3","5","1") = "8"
    & skf18("2","7","6","9","3","6","1") = "8"
    & skf18("2","7","6","9","3","7","1") = "8"
    & skf18("2","7","6","9","3","8","1") = "8"
    & skf18("2","7","6","9","3","9","1") = "8"
    & skf18("2","7","6","9","3","10","1") = "9"
    & skf18("2","7","6","9","4","1","1") = "8"
    & skf18("2","7","6","9","4","2","1") = "8"
    & skf18("2","7","6","9","4","3","1") = "8"
    & skf18("2","7","6","9","4","4","1") = "8"
    & skf18("2","7","6","9","4","5","1") = "8"
    & skf18("2","7","6","9","4","6","1") = "8"
    & skf18("2","7","6","9","4","7","1") = "8"
    & skf18("2","7","6","9","4","8","1") = "8"
    & skf18("2","7","6","9","4","9","1") = "8"
    & skf18("2","7","6","9","4","10","1") = "9"
    & skf18("2","7","6","9","5","1","1") = "8"
    & skf18("2","7","6","9","5","2","1") = "8"
    & skf18("2","7","6","9","5","3","1") = "8"
    & skf18("2","7","6","9","5","4","1") = "8"
    & skf18("2","7","6","9","5","5","1") = "8"
    & skf18("2","7","6","9","5","6","1") = "8"
    & skf18("2","7","6","9","5","7","1") = "8"
    & skf18("2","7","6","9","5","8","1") = "8"
    & skf18("2","7","6","9","5","9","1") = "8"
    & skf18("2","7","6","9","5","10","1") = "9"
    & skf18("2","7","6","9","6","1","1") = "8"
    & skf18("2","7","6","9","6","2","1") = "8"
    & skf18("2","7","6","9","6","3","1") = "8"
    & skf18("2","7","6","9","6","4","1") = "8"
    & skf18("2","7","6","9","6","5","1") = "8"
    & skf18("2","7","6","9","6","6","1") = "8"
    & skf18("2","7","6","9","6","7","1") = "8"
    & skf18("2","7","6","9","6","8","1") = "8"
    & skf18("2","7","6","9","6","9","1") = "8"
    & skf18("2","7","6","9","6","10","1") = "9"
    & skf18("2","7","6","9","7","1","1") = "8"
    & skf18("2","7","6","9","7","2","1") = "8"
    & skf18("2","7","6","9","7","3","1") = "8"
    & skf18("2","7","6","9","7","4","1") = "8"
    & skf18("2","7","6","9","7","5","1") = "8"
    & skf18("2","7","6","9","7","6","1") = "8"
    & skf18("2","7","6","9","7","7","1") = "8"
    & skf18("2","7","6","9","7","8","1") = "8"
    & skf18("2","7","6","9","7","9","1") = "8"
    & skf18("2","7","6","9","7","10","1") = "9"
    & skf18("2","7","6","9","8","1","1") = "8"
    & skf18("2","7","6","9","8","2","1") = "8"
    & skf18("2","7","6","9","8","3","1") = "8"
    & skf18("2","7","6","9","8","4","1") = "8"
    & skf18("2","7","6","9","8","5","1") = "8"
    & skf18("2","7","6","9","8","6","1") = "8"
    & skf18("2","7","6","9","8","7","1") = "8"
    & skf18("2","7","6","9","8","8","1") = "8"
    & skf18("2","7","6","9","8","9","1") = "8"
    & skf18("2","7","6","9","8","10","1") = "9"
    & skf18("2","7","6","9","9","1","1") = "8"
    & skf18("2","7","6","9","9","2","1") = "8"
    & skf18("2","7","6","9","9","3","1") = "8"
    & skf18("2","7","6","9","9","4","1") = "8"
    & skf18("2","7","6","9","9","5","1") = "8"
    & skf18("2","7","6","9","9","6","1") = "8"
    & skf18("2","7","6","9","9","7","1") = "8"
    & skf18("2","7","6","9","9","8","1") = "8"
    & skf18("2","7","6","9","9","9","1") = "8"
    & skf18("2","7","6","9","9","10","1") = "9"
    & skf18("2","7","6","9","10","1","1") = "9"
    & skf18("2","7","6","9","10","2","1") = "9"
    & skf18("2","7","6","9","10","3","1") = "9"
    & skf18("2","7","6","9","10","4","1") = "9"
    & skf18("2","7","6","9","10","5","1") = "9"
    & skf18("2","7","6","9","10","6","1") = "9"
    & skf18("2","7","6","9","10","7","1") = "9"
    & skf18("2","7","6","9","10","8","1") = "9"
    & skf18("2","7","6","9","10","9","1") = "9"
    & skf18("2","7","6","9","10","10","1") = "9"
    & skf18("2","7","6","10","1","1","1") = "9"
    & skf18("2","7","6","10","1","2","1") = "9"
    & skf18("2","7","6","10","1","3","1") = "9"
    & skf18("2","7","6","10","1","4","1") = "9"
    & skf18("2","7","6","10","1","5","1") = "9"
    & skf18("2","7","6","10","1","6","1") = "9"
    & skf18("2","7","6","10","1","7","1") = "9"
    & skf18("2","7","6","10","1","8","1") = "9"
    & skf18("2","7","6","10","1","9","1") = "9"
    & skf18("2","7","6","10","1","10","1") = "9"
    & skf18("2","7","6","10","2","1","1") = "9"
    & skf18("2","7","6","10","2","2","1") = "9"
    & skf18("2","7","6","10","2","3","1") = "9"
    & skf18("2","7","6","10","2","4","1") = "9"
    & skf18("2","7","6","10","2","5","1") = "9"
    & skf18("2","7","6","10","2","6","1") = "9"
    & skf18("2","7","6","10","2","7","1") = "9"
    & skf18("2","7","6","10","2","8","1") = "9"
    & skf18("2","7","6","10","2","9","1") = "9"
    & skf18("2","7","6","10","2","10","1") = "9"
    & skf18("2","7","6","10","3","1","1") = "9"
    & skf18("2","7","6","10","3","2","1") = "9"
    & skf18("2","7","6","10","3","3","1") = "9"
    & skf18("2","7","6","10","3","4","1") = "9"
    & skf18("2","7","6","10","3","5","1") = "9"
    & skf18("2","7","6","10","3","6","1") = "9"
    & skf18("2","7","6","10","3","7","1") = "9"
    & skf18("2","7","6","10","3","8","1") = "9"
    & skf18("2","7","6","10","3","9","1") = "9"
    & skf18("2","7","6","10","3","10","1") = "9"
    & skf18("2","7","6","10","4","1","1") = "9"
    & skf18("2","7","6","10","4","2","1") = "9"
    & skf18("2","7","6","10","4","3","1") = "9"
    & skf18("2","7","6","10","4","4","1") = "9"
    & skf18("2","7","6","10","4","5","1") = "9"
    & skf18("2","7","6","10","4","6","1") = "9"
    & skf18("2","7","6","10","4","7","1") = "9"
    & skf18("2","7","6","10","4","8","1") = "9"
    & skf18("2","7","6","10","4","9","1") = "9"
    & skf18("2","7","6","10","4","10","1") = "9"
    & skf18("2","7","6","10","5","1","1") = "9"
    & skf18("2","7","6","10","5","2","1") = "9"
    & skf18("2","7","6","10","5","3","1") = "9"
    & skf18("2","7","6","10","5","4","1") = "9"
    & skf18("2","7","6","10","5","5","1") = "9"
    & skf18("2","7","6","10","5","6","1") = "9"
    & skf18("2","7","6","10","5","7","1") = "9"
    & skf18("2","7","6","10","5","8","1") = "9"
    & skf18("2","7","6","10","5","9","1") = "9"
    & skf18("2","7","6","10","5","10","1") = "9"
    & skf18("2","7","6","10","6","1","1") = "9"
    & skf18("2","7","6","10","6","2","1") = "9"
    & skf18("2","7","6","10","6","3","1") = "9"
    & skf18("2","7","6","10","6","4","1") = "9"
    & skf18("2","7","6","10","6","5","1") = "9"
    & skf18("2","7","6","10","6","6","1") = "9"
    & skf18("2","7","6","10","6","7","1") = "9"
    & skf18("2","7","6","10","6","8","1") = "9"
    & skf18("2","7","6","10","6","9","1") = "9"
    & skf18("2","7","6","10","6","10","1") = "9"
    & skf18("2","7","6","10","7","1","1") = "9"
    & skf18("2","7","6","10","7","2","1") = "9"
    & skf18("2","7","6","10","7","3","1") = "9"
    & skf18("2","7","6","10","7","4","1") = "9"
    & skf18("2","7","6","10","7","5","1") = "9"
    & skf18("2","7","6","10","7","6","1") = "9"
    & skf18("2","7","6","10","7","7","1") = "9"
    & skf18("2","7","6","10","7","8","1") = "9"
    & skf18("2","7","6","10","7","9","1") = "9"
    & skf18("2","7","6","10","7","10","1") = "9"
    & skf18("2","7","6","10","8","1","1") = "9"
    & skf18("2","7","6","10","8","2","1") = "9"
    & skf18("2","7","6","10","8","3","1") = "9"
    & skf18("2","7","6","10","8","4","1") = "9"
    & skf18("2","7","6","10","8","5","1") = "9"
    & skf18("2","7","6","10","8","6","1") = "9"
    & skf18("2","7","6","10","8","7","1") = "9"
    & skf18("2","7","6","10","8","8","1") = "9"
    & skf18("2","7","6","10","8","9","1") = "9"
    & skf18("2","7","6","10","8","10","1") = "9"
    & skf18("2","7","6","10","9","1","1") = "9"
    & skf18("2","7","6","10","9","2","1") = "9"
    & skf18("2","7","6","10","9","3","1") = "9"
    & skf18("2","7","6","10","9","4","1") = "9"
    & skf18("2","7","6","10","9","5","1") = "9"
    & skf18("2","7","6","10","9","6","1") = "9"
    & skf18("2","7","6","10","9","7","1") = "9"
    & skf18("2","7","6","10","9","8","1") = "9"
    & skf18("2","7","6","10","9","9","1") = "9"
    & skf18("2","7","6","10","9","10","1") = "9"
    & skf18("2","7","6","10","10","1","1") = "9"
    & skf18("2","7","6","10","10","2","1") = "9"
    & skf18("2","7","6","10","10","3","1") = "9"
    & skf18("2","7","6","10","10","4","1") = "9"
    & skf18("2","7","6","10","10","5","1") = "9"
    & skf18("2","7","6","10","10","6","1") = "9"
    & skf18("2","7","6","10","10","7","1") = "9"
    & skf18("2","7","6","10","10","8","1") = "9"
    & skf18("2","7","6","10","10","9","1") = "9"
    & skf18("2","7","6","10","10","10","1") = "9"
    & skf18("2","7","7","1","1","1","1") = "6"
    & skf18("2","7","7","1","1","2","1") = "6"
    & skf18("2","7","7","1","1","3","1") = "6"
    & skf18("2","7","7","1","1","4","1") = "6"
    & skf18("2","7","7","1","1","5","1") = "6"
    & skf18("2","7","7","1","1","6","1") = "6"
    & skf18("2","7","7","1","1","7","1") = "6"
    & skf18("2","7","7","1","1","8","1") = "7"
    & skf18("2","7","7","1","1","9","1") = "8"
    & skf18("2","7","7","1","1","10","1") = "9"
    & skf18("2","7","7","1","2","1","1") = "6"
    & skf18("2","7","7","1","2","2","1") = "6"
    & skf18("2","7","7","1","2","3","1") = "6"
    & skf18("2","7","7","1","2","4","1") = "6"
    & skf18("2","7","7","1","2","5","1") = "6"
    & skf18("2","7","7","1","2","6","1") = "6"
    & skf18("2","7","7","1","2","7","1") = "6"
    & skf18("2","7","7","1","2","8","1") = "7"
    & skf18("2","7","7","1","2","9","1") = "8"
    & skf18("2","7","7","1","2","10","1") = "9"
    & skf18("2","7","7","1","3","1","1") = "6"
    & skf18("2","7","7","1","3","2","1") = "6"
    & skf18("2","7","7","1","3","3","1") = "6"
    & skf18("2","7","7","1","3","4","1") = "6"
    & skf18("2","7","7","1","3","5","1") = "6"
    & skf18("2","7","7","1","3","6","1") = "6"
    & skf18("2","7","7","1","3","7","1") = "6"
    & skf18("2","7","7","1","3","8","1") = "7"
    & skf18("2","7","7","1","3","9","1") = "8"
    & skf18("2","7","7","1","3","10","1") = "9"
    & skf18("2","7","7","1","4","1","1") = "6"
    & skf18("2","7","7","1","4","2","1") = "6"
    & skf18("2","7","7","1","4","3","1") = "6"
    & skf18("2","7","7","1","4","4","1") = "6"
    & skf18("2","7","7","1","4","5","1") = "6"
    & skf18("2","7","7","1","4","6","1") = "6"
    & skf18("2","7","7","1","4","7","1") = "6"
    & skf18("2","7","7","1","4","8","1") = "7"
    & skf18("2","7","7","1","4","9","1") = "8"
    & skf18("2","7","7","1","4","10","1") = "9"
    & skf18("2","7","7","1","5","1","1") = "6"
    & skf18("2","7","7","1","5","2","1") = "6"
    & skf18("2","7","7","1","5","3","1") = "6"
    & skf18("2","7","7","1","5","4","1") = "6"
    & skf18("2","7","7","1","5","5","1") = "6"
    & skf18("2","7","7","1","5","6","1") = "6"
    & skf18("2","7","7","1","5","7","1") = "6"
    & skf18("2","7","7","1","5","8","1") = "7"
    & skf18("2","7","7","1","5","9","1") = "8"
    & skf18("2","7","7","1","5","10","1") = "9"
    & skf18("2","7","7","1","6","1","1") = "6"
    & skf18("2","7","7","1","6","2","1") = "6"
    & skf18("2","7","7","1","6","3","1") = "6"
    & skf18("2","7","7","1","6","4","1") = "6"
    & skf18("2","7","7","1","6","5","1") = "6"
    & skf18("2","7","7","1","6","6","1") = "6"
    & skf18("2","7","7","1","6","7","1") = "6"
    & skf18("2","7","7","1","6","8","1") = "7"
    & skf18("2","7","7","1","6","9","1") = "8"
    & skf18("2","7","7","1","6","10","1") = "9"
    & skf18("2","7","7","1","7","1","1") = "6"
    & skf18("2","7","7","1","7","2","1") = "6"
    & skf18("2","7","7","1","7","3","1") = "6"
    & skf18("2","7","7","1","7","4","1") = "6"
    & skf18("2","7","7","1","7","5","1") = "6"
    & skf18("2","7","7","1","7","6","1") = "6"
    & skf18("2","7","7","1","7","7","1") = "6"
    & skf18("2","7","7","1","7","8","1") = "7"
    & skf18("2","7","7","1","7","9","1") = "8"
    & skf18("2","7","7","1","7","10","1") = "9"
    & skf18("2","7","7","1","8","1","1") = "7"
    & skf18("2","7","7","1","8","2","1") = "7"
    & skf18("2","7","7","1","8","3","1") = "7"
    & skf18("2","7","7","1","8","4","1") = "7"
    & skf18("2","7","7","1","8","5","1") = "7"
    & skf18("2","7","7","1","8","6","1") = "7"
    & skf18("2","7","7","1","8","7","1") = "7"
    & skf18("2","7","7","1","8","8","1") = "7"
    & skf18("2","7","7","1","8","9","1") = "8"
    & skf18("2","7","7","1","8","10","1") = "9"
    & skf18("2","7","7","1","9","1","1") = "8"
    & skf18("2","7","7","1","9","2","1") = "8"
    & skf18("2","7","7","1","9","3","1") = "8"
    & skf18("2","7","7","1","9","4","1") = "8"
    & skf18("2","7","7","1","9","5","1") = "8"
    & skf18("2","7","7","1","9","6","1") = "8"
    & skf18("2","7","7","1","9","7","1") = "8"
    & skf18("2","7","7","1","9","8","1") = "8"
    & skf18("2","7","7","1","9","9","1") = "8"
    & skf18("2","7","7","1","9","10","1") = "9"
    & skf18("2","7","7","1","10","1","1") = "9"
    & skf18("2","7","7","1","10","2","1") = "9"
    & skf18("2","7","7","1","10","3","1") = "9"
    & skf18("2","7","7","1","10","4","1") = "9"
    & skf18("2","7","7","1","10","5","1") = "9"
    & skf18("2","7","7","1","10","6","1") = "9"
    & skf18("2","7","7","1","10","7","1") = "9"
    & skf18("2","7","7","1","10","8","1") = "9"
    & skf18("2","7","7","1","10","9","1") = "9"
    & skf18("2","7","7","1","10","10","1") = "9"
    & skf18("2","7","7","2","1","1","1") = "6"
    & skf18("2","7","7","2","1","2","1") = "6"
    & skf18("2","7","7","2","1","3","1") = "6"
    & skf18("2","7","7","2","1","4","1") = "6"
    & skf18("2","7","7","2","1","5","1") = "6"
    & skf18("2","7","7","2","1","6","1") = "6"
    & skf18("2","7","7","2","1","7","1") = "6"
    & skf18("2","7","7","2","1","8","1") = "7"
    & skf18("2","7","7","2","1","9","1") = "8"
    & skf18("2","7","7","2","1","10","1") = "9"
    & skf18("2","7","7","2","2","1","1") = "6"
    & skf18("2","7","7","2","2","2","1") = "6"
    & skf18("2","7","7","2","2","3","1") = "6"
    & skf18("2","7","7","2","2","4","1") = "6"
    & skf18("2","7","7","2","2","5","1") = "6"
    & skf18("2","7","7","2","2","6","1") = "6"
    & skf18("2","7","7","2","2","7","1") = "6"
    & skf18("2","7","7","2","2","8","1") = "7"
    & skf18("2","7","7","2","2","9","1") = "8"
    & skf18("2","7","7","2","2","10","1") = "9"
    & skf18("2","7","7","2","3","1","1") = "6"
    & skf18("2","7","7","2","3","2","1") = "6"
    & skf18("2","7","7","2","3","3","1") = "6"
    & skf18("2","7","7","2","3","4","1") = "6"
    & skf18("2","7","7","2","3","5","1") = "6"
    & skf18("2","7","7","2","3","6","1") = "6"
    & skf18("2","7","7","2","3","7","1") = "6"
    & skf18("2","7","7","2","3","8","1") = "7"
    & skf18("2","7","7","2","3","9","1") = "8"
    & skf18("2","7","7","2","3","10","1") = "9"
    & skf18("2","7","7","2","4","1","1") = "6"
    & skf18("2","7","7","2","4","2","1") = "6"
    & skf18("2","7","7","2","4","3","1") = "6"
    & skf18("2","7","7","2","4","4","1") = "6"
    & skf18("2","7","7","2","4","5","1") = "6"
    & skf18("2","7","7","2","4","6","1") = "6"
    & skf18("2","7","7","2","4","7","1") = "6"
    & skf18("2","7","7","2","4","8","1") = "7"
    & skf18("2","7","7","2","4","9","1") = "8"
    & skf18("2","7","7","2","4","10","1") = "9"
    & skf18("2","7","7","2","5","1","1") = "6"
    & skf18("2","7","7","2","5","2","1") = "6"
    & skf18("2","7","7","2","5","3","1") = "6"
    & skf18("2","7","7","2","5","4","1") = "6"
    & skf18("2","7","7","2","5","5","1") = "6"
    & skf18("2","7","7","2","5","6","1") = "6"
    & skf18("2","7","7","2","5","7","1") = "6"
    & skf18("2","7","7","2","5","8","1") = "7"
    & skf18("2","7","7","2","5","9","1") = "8"
    & skf18("2","7","7","2","5","10","1") = "9"
    & skf18("2","7","7","2","6","1","1") = "6"
    & skf18("2","7","7","2","6","2","1") = "6"
    & skf18("2","7","7","2","6","3","1") = "6"
    & skf18("2","7","7","2","6","4","1") = "6"
    & skf18("2","7","7","2","6","5","1") = "6"
    & skf18("2","7","7","2","6","6","1") = "6"
    & skf18("2","7","7","2","6","7","1") = "6"
    & skf18("2","7","7","2","6","8","1") = "7"
    & skf18("2","7","7","2","6","9","1") = "8"
    & skf18("2","7","7","2","6","10","1") = "9"
    & skf18("2","7","7","2","7","1","1") = "6"
    & skf18("2","7","7","2","7","2","1") = "6"
    & skf18("2","7","7","2","7","3","1") = "6"
    & skf18("2","7","7","2","7","4","1") = "6"
    & skf18("2","7","7","2","7","5","1") = "6"
    & skf18("2","7","7","2","7","6","1") = "6"
    & skf18("2","7","7","2","7","7","1") = "6"
    & skf18("2","7","7","2","7","8","1") = "7"
    & skf18("2","7","7","2","7","9","1") = "8"
    & skf18("2","7","7","2","7","10","1") = "9"
    & skf18("2","7","7","2","8","1","1") = "7"
    & skf18("2","7","7","2","8","2","1") = "7"
    & skf18("2","7","7","2","8","3","1") = "7"
    & skf18("2","7","7","2","8","4","1") = "7"
    & skf18("2","7","7","2","8","5","1") = "7"
    & skf18("2","7","7","2","8","6","1") = "7"
    & skf18("2","7","7","2","8","7","1") = "7"
    & skf18("2","7","7","2","8","8","1") = "7"
    & skf18("2","7","7","2","8","9","1") = "8"
    & skf18("2","7","7","2","8","10","1") = "9"
    & skf18("2","7","7","2","9","1","1") = "8"
    & skf18("2","7","7","2","9","2","1") = "8"
    & skf18("2","7","7","2","9","3","1") = "8"
    & skf18("2","7","7","2","9","4","1") = "8"
    & skf18("2","7","7","2","9","5","1") = "8"
    & skf18("2","7","7","2","9","6","1") = "8"
    & skf18("2","7","7","2","9","7","1") = "8"
    & skf18("2","7","7","2","9","8","1") = "8"
    & skf18("2","7","7","2","9","9","1") = "8"
    & skf18("2","7","7","2","9","10","1") = "9"
    & skf18("2","7","7","2","10","1","1") = "9"
    & skf18("2","7","7","2","10","2","1") = "9"
    & skf18("2","7","7","2","10","3","1") = "9"
    & skf18("2","7","7","2","10","4","1") = "9"
    & skf18("2","7","7","2","10","5","1") = "9"
    & skf18("2","7","7","2","10","6","1") = "9"
    & skf18("2","7","7","2","10","7","1") = "9"
    & skf18("2","7","7","2","10","8","1") = "9"
    & skf18("2","7","7","2","10","9","1") = "9"
    & skf18("2","7","7","2","10","10","1") = "9"
    & skf18("2","7","7","3","1","1","1") = "6"
    & skf18("2","7","7","3","1","2","1") = "6"
    & skf18("2","7","7","3","1","3","1") = "6"
    & skf18("2","7","7","3","1","4","1") = "6"
    & skf18("2","7","7","3","1","5","1") = "6"
    & skf18("2","7","7","3","1","6","1") = "6"
    & skf18("2","7","7","3","1","7","1") = "6"
    & skf18("2","7","7","3","1","8","1") = "7"
    & skf18("2","7","7","3","1","9","1") = "8"
    & skf18("2","7","7","3","1","10","1") = "9"
    & skf18("2","7","7","3","2","1","1") = "6"
    & skf18("2","7","7","3","2","2","1") = "6"
    & skf18("2","7","7","3","2","3","1") = "6"
    & skf18("2","7","7","3","2","4","1") = "6"
    & skf18("2","7","7","3","2","5","1") = "6"
    & skf18("2","7","7","3","2","6","1") = "6"
    & skf18("2","7","7","3","2","7","1") = "6"
    & skf18("2","7","7","3","2","8","1") = "7"
    & skf18("2","7","7","3","2","9","1") = "8"
    & skf18("2","7","7","3","2","10","1") = "9"
    & skf18("2","7","7","3","3","1","1") = "6"
    & skf18("2","7","7","3","3","2","1") = "6"
    & skf18("2","7","7","3","3","3","1") = "6"
    & skf18("2","7","7","3","3","4","1") = "6"
    & skf18("2","7","7","3","3","5","1") = "6"
    & skf18("2","7","7","3","3","6","1") = "6"
    & skf18("2","7","7","3","3","7","1") = "6"
    & skf18("2","7","7","3","3","8","1") = "7"
    & skf18("2","7","7","3","3","9","1") = "8"
    & skf18("2","7","7","3","3","10","1") = "9"
    & skf18("2","7","7","3","4","1","1") = "6"
    & skf18("2","7","7","3","4","2","1") = "6"
    & skf18("2","7","7","3","4","3","1") = "6"
    & skf18("2","7","7","3","4","4","1") = "6"
    & skf18("2","7","7","3","4","5","1") = "6"
    & skf18("2","7","7","3","4","6","1") = "6"
    & skf18("2","7","7","3","4","7","1") = "6"
    & skf18("2","7","7","3","4","8","1") = "7"
    & skf18("2","7","7","3","4","9","1") = "8"
    & skf18("2","7","7","3","4","10","1") = "9"
    & skf18("2","7","7","3","5","1","1") = "6"
    & skf18("2","7","7","3","5","2","1") = "6"
    & skf18("2","7","7","3","5","3","1") = "6"
    & skf18("2","7","7","3","5","4","1") = "6"
    & skf18("2","7","7","3","5","5","1") = "6"
    & skf18("2","7","7","3","5","6","1") = "6"
    & skf18("2","7","7","3","5","7","1") = "6"
    & skf18("2","7","7","3","5","8","1") = "7"
    & skf18("2","7","7","3","5","9","1") = "8"
    & skf18("2","7","7","3","5","10","1") = "9"
    & skf18("2","7","7","3","6","1","1") = "6"
    & skf18("2","7","7","3","6","2","1") = "6"
    & skf18("2","7","7","3","6","3","1") = "6"
    & skf18("2","7","7","3","6","4","1") = "6"
    & skf18("2","7","7","3","6","5","1") = "6"
    & skf18("2","7","7","3","6","6","1") = "6"
    & skf18("2","7","7","3","6","7","1") = "6"
    & skf18("2","7","7","3","6","8","1") = "7"
    & skf18("2","7","7","3","6","9","1") = "8"
    & skf18("2","7","7","3","6","10","1") = "9"
    & skf18("2","7","7","3","7","1","1") = "6"
    & skf18("2","7","7","3","7","2","1") = "6"
    & skf18("2","7","7","3","7","3","1") = "6"
    & skf18("2","7","7","3","7","4","1") = "6"
    & skf18("2","7","7","3","7","5","1") = "6"
    & skf18("2","7","7","3","7","6","1") = "6"
    & skf18("2","7","7","3","7","7","1") = "6"
    & skf18("2","7","7","3","7","8","1") = "7"
    & skf18("2","7","7","3","7","9","1") = "8"
    & skf18("2","7","7","3","7","10","1") = "9"
    & skf18("2","7","7","3","8","1","1") = "7"
    & skf18("2","7","7","3","8","2","1") = "7"
    & skf18("2","7","7","3","8","3","1") = "7"
    & skf18("2","7","7","3","8","4","1") = "7"
    & skf18("2","7","7","3","8","5","1") = "7"
    & skf18("2","7","7","3","8","6","1") = "7"
    & skf18("2","7","7","3","8","7","1") = "7"
    & skf18("2","7","7","3","8","8","1") = "7"
    & skf18("2","7","7","3","8","9","1") = "8"
    & skf18("2","7","7","3","8","10","1") = "9"
    & skf18("2","7","7","3","9","1","1") = "8"
    & skf18("2","7","7","3","9","2","1") = "8"
    & skf18("2","7","7","3","9","3","1") = "8"
    & skf18("2","7","7","3","9","4","1") = "8"
    & skf18("2","7","7","3","9","5","1") = "8"
    & skf18("2","7","7","3","9","6","1") = "8"
    & skf18("2","7","7","3","9","7","1") = "8"
    & skf18("2","7","7","3","9","8","1") = "8"
    & skf18("2","7","7","3","9","9","1") = "8"
    & skf18("2","7","7","3","9","10","1") = "9"
    & skf18("2","7","7","3","10","1","1") = "9"
    & skf18("2","7","7","3","10","2","1") = "9"
    & skf18("2","7","7","3","10","3","1") = "9"
    & skf18("2","7","7","3","10","4","1") = "9"
    & skf18("2","7","7","3","10","5","1") = "9"
    & skf18("2","7","7","3","10","6","1") = "9"
    & skf18("2","7","7","3","10","7","1") = "9"
    & skf18("2","7","7","3","10","8","1") = "9"
    & skf18("2","7","7","3","10","9","1") = "9"
    & skf18("2","7","7","3","10","10","1") = "9"
    & skf18("2","7","7","4","1","1","1") = "6"
    & skf18("2","7","7","4","1","2","1") = "6"
    & skf18("2","7","7","4","1","3","1") = "6"
    & skf18("2","7","7","4","1","4","1") = "6"
    & skf18("2","7","7","4","1","5","1") = "6"
    & skf18("2","7","7","4","1","6","1") = "6"
    & skf18("2","7","7","4","1","7","1") = "6"
    & skf18("2","7","7","4","1","8","1") = "7"
    & skf18("2","7","7","4","1","9","1") = "8"
    & skf18("2","7","7","4","1","10","1") = "9"
    & skf18("2","7","7","4","2","1","1") = "6"
    & skf18("2","7","7","4","2","2","1") = "6"
    & skf18("2","7","7","4","2","3","1") = "6"
    & skf18("2","7","7","4","2","4","1") = "6"
    & skf18("2","7","7","4","2","5","1") = "6"
    & skf18("2","7","7","4","2","6","1") = "6"
    & skf18("2","7","7","4","2","7","1") = "6"
    & skf18("2","7","7","4","2","8","1") = "7"
    & skf18("2","7","7","4","2","9","1") = "8"
    & skf18("2","7","7","4","2","10","1") = "9"
    & skf18("2","7","7","4","3","1","1") = "6"
    & skf18("2","7","7","4","3","2","1") = "6"
    & skf18("2","7","7","4","3","3","1") = "6"
    & skf18("2","7","7","4","3","4","1") = "6"
    & skf18("2","7","7","4","3","5","1") = "6"
    & skf18("2","7","7","4","3","6","1") = "6"
    & skf18("2","7","7","4","3","7","1") = "6"
    & skf18("2","7","7","4","3","8","1") = "7"
    & skf18("2","7","7","4","3","9","1") = "8"
    & skf18("2","7","7","4","3","10","1") = "9"
    & skf18("2","7","7","4","4","1","1") = "6"
    & skf18("2","7","7","4","4","2","1") = "6"
    & skf18("2","7","7","4","4","3","1") = "6"
    & skf18("2","7","7","4","4","4","1") = "6"
    & skf18("2","7","7","4","4","5","1") = "6"
    & skf18("2","7","7","4","4","6","1") = "6"
    & skf18("2","7","7","4","4","7","1") = "6"
    & skf18("2","7","7","4","4","8","1") = "7"
    & skf18("2","7","7","4","4","9","1") = "8"
    & skf18("2","7","7","4","4","10","1") = "9"
    & skf18("2","7","7","4","5","1","1") = "6"
    & skf18("2","7","7","4","5","2","1") = "6"
    & skf18("2","7","7","4","5","3","1") = "6"
    & skf18("2","7","7","4","5","4","1") = "6"
    & skf18("2","7","7","4","5","5","1") = "6"
    & skf18("2","7","7","4","5","6","1") = "6"
    & skf18("2","7","7","4","5","7","1") = "6"
    & skf18("2","7","7","4","5","8","1") = "7"
    & skf18("2","7","7","4","5","9","1") = "8"
    & skf18("2","7","7","4","5","10","1") = "9"
    & skf18("2","7","7","4","6","1","1") = "6"
    & skf18("2","7","7","4","6","2","1") = "6"
    & skf18("2","7","7","4","6","3","1") = "6"
    & skf18("2","7","7","4","6","4","1") = "6"
    & skf18("2","7","7","4","6","5","1") = "6"
    & skf18("2","7","7","4","6","6","1") = "6"
    & skf18("2","7","7","4","6","7","1") = "6"
    & skf18("2","7","7","4","6","8","1") = "7"
    & skf18("2","7","7","4","6","9","1") = "8"
    & skf18("2","7","7","4","6","10","1") = "9"
    & skf18("2","7","7","4","7","1","1") = "6"
    & skf18("2","7","7","4","7","2","1") = "6"
    & skf18("2","7","7","4","7","3","1") = "6"
    & skf18("2","7","7","4","7","4","1") = "6"
    & skf18("2","7","7","4","7","5","1") = "6"
    & skf18("2","7","7","4","7","6","1") = "6"
    & skf18("2","7","7","4","7","7","1") = "6"
    & skf18("2","7","7","4","7","8","1") = "7"
    & skf18("2","7","7","4","7","9","1") = "8"
    & skf18("2","7","7","4","7","10","1") = "9"
    & skf18("2","7","7","4","8","1","1") = "7"
    & skf18("2","7","7","4","8","2","1") = "7"
    & skf18("2","7","7","4","8","3","1") = "7"
    & skf18("2","7","7","4","8","4","1") = "7"
    & skf18("2","7","7","4","8","5","1") = "7"
    & skf18("2","7","7","4","8","6","1") = "7"
    & skf18("2","7","7","4","8","7","1") = "7"
    & skf18("2","7","7","4","8","8","1") = "7"
    & skf18("2","7","7","4","8","9","1") = "8"
    & skf18("2","7","7","4","8","10","1") = "9"
    & skf18("2","7","7","4","9","1","1") = "8"
    & skf18("2","7","7","4","9","2","1") = "8"
    & skf18("2","7","7","4","9","3","1") = "8"
    & skf18("2","7","7","4","9","4","1") = "8"
    & skf18("2","7","7","4","9","5","1") = "8"
    & skf18("2","7","7","4","9","6","1") = "8"
    & skf18("2","7","7","4","9","7","1") = "8"
    & skf18("2","7","7","4","9","8","1") = "8"
    & skf18("2","7","7","4","9","9","1") = "8"
    & skf18("2","7","7","4","9","10","1") = "9"
    & skf18("2","7","7","4","10","1","1") = "9"
    & skf18("2","7","7","4","10","2","1") = "9"
    & skf18("2","7","7","4","10","3","1") = "9"
    & skf18("2","7","7","4","10","4","1") = "9"
    & skf18("2","7","7","4","10","5","1") = "9"
    & skf18("2","7","7","4","10","6","1") = "9"
    & skf18("2","7","7","4","10","7","1") = "9"
    & skf18("2","7","7","4","10","8","1") = "9"
    & skf18("2","7","7","4","10","9","1") = "9"
    & skf18("2","7","7","4","10","10","1") = "9"
    & skf18("2","7","7","5","1","1","1") = "6"
    & skf18("2","7","7","5","1","2","1") = "6"
    & skf18("2","7","7","5","1","3","1") = "6"
    & skf18("2","7","7","5","1","4","1") = "6"
    & skf18("2","7","7","5","1","5","1") = "6"
    & skf18("2","7","7","5","1","6","1") = "6"
    & skf18("2","7","7","5","1","7","1") = "6"
    & skf18("2","7","7","5","1","8","1") = "7"
    & skf18("2","7","7","5","1","9","1") = "8"
    & skf18("2","7","7","5","1","10","1") = "9"
    & skf18("2","7","7","5","2","1","1") = "6"
    & skf18("2","7","7","5","2","2","1") = "6"
    & skf18("2","7","7","5","2","3","1") = "6"
    & skf18("2","7","7","5","2","4","1") = "6"
    & skf18("2","7","7","5","2","5","1") = "6"
    & skf18("2","7","7","5","2","6","1") = "6"
    & skf18("2","7","7","5","2","7","1") = "6"
    & skf18("2","7","7","5","2","8","1") = "7"
    & skf18("2","7","7","5","2","9","1") = "8"
    & skf18("2","7","7","5","2","10","1") = "9"
    & skf18("2","7","7","5","3","1","1") = "6"
    & skf18("2","7","7","5","3","2","1") = "6"
    & skf18("2","7","7","5","3","3","1") = "6"
    & skf18("2","7","7","5","3","4","1") = "6"
    & skf18("2","7","7","5","3","5","1") = "6"
    & skf18("2","7","7","5","3","6","1") = "6"
    & skf18("2","7","7","5","3","7","1") = "6"
    & skf18("2","7","7","5","3","8","1") = "7"
    & skf18("2","7","7","5","3","9","1") = "8"
    & skf18("2","7","7","5","3","10","1") = "9"
    & skf18("2","7","7","5","4","1","1") = "6"
    & skf18("2","7","7","5","4","2","1") = "6"
    & skf18("2","7","7","5","4","3","1") = "6"
    & skf18("2","7","7","5","4","4","1") = "6"
    & skf18("2","7","7","5","4","5","1") = "6"
    & skf18("2","7","7","5","4","6","1") = "6"
    & skf18("2","7","7","5","4","7","1") = "6"
    & skf18("2","7","7","5","4","8","1") = "7"
    & skf18("2","7","7","5","4","9","1") = "8"
    & skf18("2","7","7","5","4","10","1") = "9"
    & skf18("2","7","7","5","5","1","1") = "6"
    & skf18("2","7","7","5","5","2","1") = "6"
    & skf18("2","7","7","5","5","3","1") = "6"
    & skf18("2","7","7","5","5","4","1") = "6"
    & skf18("2","7","7","5","5","5","1") = "6"
    & skf18("2","7","7","5","5","6","1") = "6"
    & skf18("2","7","7","5","5","7","1") = "6"
    & skf18("2","7","7","5","5","8","1") = "7"
    & skf18("2","7","7","5","5","9","1") = "8"
    & skf18("2","7","7","5","5","10","1") = "9"
    & skf18("2","7","7","5","6","1","1") = "6"
    & skf18("2","7","7","5","6","2","1") = "6"
    & skf18("2","7","7","5","6","3","1") = "6"
    & skf18("2","7","7","5","6","4","1") = "6"
    & skf18("2","7","7","5","6","5","1") = "6"
    & skf18("2","7","7","5","6","6","1") = "6"
    & skf18("2","7","7","5","6","7","1") = "6"
    & skf18("2","7","7","5","6","8","1") = "7"
    & skf18("2","7","7","5","6","9","1") = "8"
    & skf18("2","7","7","5","6","10","1") = "9"
    & skf18("2","7","7","5","7","1","1") = "6"
    & skf18("2","7","7","5","7","2","1") = "6"
    & skf18("2","7","7","5","7","3","1") = "6"
    & skf18("2","7","7","5","7","4","1") = "6"
    & skf18("2","7","7","5","7","5","1") = "6"
    & skf18("2","7","7","5","7","6","1") = "6"
    & skf18("2","7","7","5","7","7","1") = "6"
    & skf18("2","7","7","5","7","8","1") = "7"
    & skf18("2","7","7","5","7","9","1") = "8"
    & skf18("2","7","7","5","7","10","1") = "9"
    & skf18("2","7","7","5","8","1","1") = "7"
    & skf18("2","7","7","5","8","2","1") = "7"
    & skf18("2","7","7","5","8","3","1") = "7"
    & skf18("2","7","7","5","8","4","1") = "7"
    & skf18("2","7","7","5","8","5","1") = "7"
    & skf18("2","7","7","5","8","6","1") = "7"
    & skf18("2","7","7","5","8","7","1") = "7"
    & skf18("2","7","7","5","8","8","1") = "7"
    & skf18("2","7","7","5","8","9","1") = "8"
    & skf18("2","7","7","5","8","10","1") = "9"
    & skf18("2","7","7","5","9","1","1") = "8"
    & skf18("2","7","7","5","9","2","1") = "8"
    & skf18("2","7","7","5","9","3","1") = "8"
    & skf18("2","7","7","5","9","4","1") = "8"
    & skf18("2","7","7","5","9","5","1") = "8"
    & skf18("2","7","7","5","9","6","1") = "8"
    & skf18("2","7","7","5","9","7","1") = "8"
    & skf18("2","7","7","5","9","8","1") = "8"
    & skf18("2","7","7","5","9","9","1") = "8"
    & skf18("2","7","7","5","9","10","1") = "9"
    & skf18("2","7","7","5","10","1","1") = "9"
    & skf18("2","7","7","5","10","2","1") = "9"
    & skf18("2","7","7","5","10","3","1") = "9"
    & skf18("2","7","7","5","10","4","1") = "9"
    & skf18("2","7","7","5","10","5","1") = "9"
    & skf18("2","7","7","5","10","6","1") = "9"
    & skf18("2","7","7","5","10","7","1") = "9"
    & skf18("2","7","7","5","10","8","1") = "9"
    & skf18("2","7","7","5","10","9","1") = "9"
    & skf18("2","7","7","5","10","10","1") = "9"
    & skf18("2","7","7","6","1","1","1") = "6"
    & skf18("2","7","7","6","1","2","1") = "6"
    & skf18("2","7","7","6","1","3","1") = "6"
    & skf18("2","7","7","6","1","4","1") = "6"
    & skf18("2","7","7","6","1","5","1") = "6"
    & skf18("2","7","7","6","1","6","1") = "6"
    & skf18("2","7","7","6","1","7","1") = "6"
    & skf18("2","7","7","6","1","8","1") = "7"
    & skf18("2","7","7","6","1","9","1") = "8"
    & skf18("2","7","7","6","1","10","1") = "9"
    & skf18("2","7","7","6","2","1","1") = "6"
    & skf18("2","7","7","6","2","2","1") = "6"
    & skf18("2","7","7","6","2","3","1") = "6"
    & skf18("2","7","7","6","2","4","1") = "6"
    & skf18("2","7","7","6","2","5","1") = "6"
    & skf18("2","7","7","6","2","6","1") = "6"
    & skf18("2","7","7","6","2","7","1") = "6"
    & skf18("2","7","7","6","2","8","1") = "7"
    & skf18("2","7","7","6","2","9","1") = "8"
    & skf18("2","7","7","6","2","10","1") = "9"
    & skf18("2","7","7","6","3","1","1") = "6"
    & skf18("2","7","7","6","3","2","1") = "6"
    & skf18("2","7","7","6","3","3","1") = "6"
    & skf18("2","7","7","6","3","4","1") = "6"
    & skf18("2","7","7","6","3","5","1") = "6"
    & skf18("2","7","7","6","3","6","1") = "6"
    & skf18("2","7","7","6","3","7","1") = "6"
    & skf18("2","7","7","6","3","8","1") = "7"
    & skf18("2","7","7","6","3","9","1") = "8"
    & skf18("2","7","7","6","3","10","1") = "9"
    & skf18("2","7","7","6","4","1","1") = "6"
    & skf18("2","7","7","6","4","2","1") = "6"
    & skf18("2","7","7","6","4","3","1") = "6"
    & skf18("2","7","7","6","4","4","1") = "6"
    & skf18("2","7","7","6","4","5","1") = "6"
    & skf18("2","7","7","6","4","6","1") = "6"
    & skf18("2","7","7","6","4","7","1") = "6"
    & skf18("2","7","7","6","4","8","1") = "7"
    & skf18("2","7","7","6","4","9","1") = "8"
    & skf18("2","7","7","6","4","10","1") = "9"
    & skf18("2","7","7","6","5","1","1") = "6"
    & skf18("2","7","7","6","5","2","1") = "6"
    & skf18("2","7","7","6","5","3","1") = "6"
    & skf18("2","7","7","6","5","4","1") = "6"
    & skf18("2","7","7","6","5","5","1") = "6"
    & skf18("2","7","7","6","5","6","1") = "6"
    & skf18("2","7","7","6","5","7","1") = "6"
    & skf18("2","7","7","6","5","8","1") = "7"
    & skf18("2","7","7","6","5","9","1") = "8"
    & skf18("2","7","7","6","5","10","1") = "9"
    & skf18("2","7","7","6","6","1","1") = "6"
    & skf18("2","7","7","6","6","2","1") = "6"
    & skf18("2","7","7","6","6","3","1") = "6"
    & skf18("2","7","7","6","6","4","1") = "6"
    & skf18("2","7","7","6","6","5","1") = "6"
    & skf18("2","7","7","6","6","6","1") = "6"
    & skf18("2","7","7","6","6","7","1") = "6"
    & skf18("2","7","7","6","6","8","1") = "7"
    & skf18("2","7","7","6","6","9","1") = "8"
    & skf18("2","7","7","6","6","10","1") = "9"
    & skf18("2","7","7","6","7","1","1") = "6"
    & skf18("2","7","7","6","7","2","1") = "6"
    & skf18("2","7","7","6","7","3","1") = "6"
    & skf18("2","7","7","6","7","4","1") = "6"
    & skf18("2","7","7","6","7","5","1") = "6"
    & skf18("2","7","7","6","7","6","1") = "6"
    & skf18("2","7","7","6","7","7","1") = "6"
    & skf18("2","7","7","6","7","8","1") = "7"
    & skf18("2","7","7","6","7","9","1") = "8"
    & skf18("2","7","7","6","7","10","1") = "9"
    & skf18("2","7","7","6","8","1","1") = "7"
    & skf18("2","7","7","6","8","2","1") = "7"
    & skf18("2","7","7","6","8","3","1") = "7"
    & skf18("2","7","7","6","8","4","1") = "7"
    & skf18("2","7","7","6","8","5","1") = "7"
    & skf18("2","7","7","6","8","6","1") = "7"
    & skf18("2","7","7","6","8","7","1") = "7"
    & skf18("2","7","7","6","8","8","1") = "7"
    & skf18("2","7","7","6","8","9","1") = "8"
    & skf18("2","7","7","6","8","10","1") = "9"
    & skf18("2","7","7","6","9","1","1") = "8"
    & skf18("2","7","7","6","9","2","1") = "8"
    & skf18("2","7","7","6","9","3","1") = "8"
    & skf18("2","7","7","6","9","4","1") = "8"
    & skf18("2","7","7","6","9","5","1") = "8"
    & skf18("2","7","7","6","9","6","1") = "8"
    & skf18("2","7","7","6","9","7","1") = "8"
    & skf18("2","7","7","6","9","8","1") = "8"
    & skf18("2","7","7","6","9","9","1") = "8"
    & skf18("2","7","7","6","9","10","1") = "9"
    & skf18("2","7","7","6","10","1","1") = "9"
    & skf18("2","7","7","6","10","2","1") = "9"
    & skf18("2","7","7","6","10","3","1") = "9"
    & skf18("2","7","7","6","10","4","1") = "9"
    & skf18("2","7","7","6","10","5","1") = "9"
    & skf18("2","7","7","6","10","6","1") = "9"
    & skf18("2","7","7","6","10","7","1") = "9"
    & skf18("2","7","7","6","10","8","1") = "9"
    & skf18("2","7","7","6","10","9","1") = "9"
    & skf18("2","7","7","6","10","10","1") = "9"
    & skf18("2","7","7","7","1","1","1") = "6"
    & skf18("2","7","7","7","1","2","1") = "6"
    & skf18("2","7","7","7","1","3","1") = "6"
    & skf18("2","7","7","7","1","4","1") = "6"
    & skf18("2","7","7","7","1","5","1") = "6"
    & skf18("2","7","7","7","1","6","1") = "6"
    & skf18("2","7","7","7","1","7","1") = "6"
    & skf18("2","7","7","7","1","8","1") = "7"
    & skf18("2","7","7","7","1","9","1") = "8"
    & skf18("2","7","7","7","1","10","1") = "9"
    & skf18("2","7","7","7","2","1","1") = "6"
    & skf18("2","7","7","7","2","2","1") = "6"
    & skf18("2","7","7","7","2","3","1") = "6"
    & skf18("2","7","7","7","2","4","1") = "6"
    & skf18("2","7","7","7","2","5","1") = "6"
    & skf18("2","7","7","7","2","6","1") = "6"
    & skf18("2","7","7","7","2","7","1") = "6"
    & skf18("2","7","7","7","2","8","1") = "7"
    & skf18("2","7","7","7","2","9","1") = "8"
    & skf18("2","7","7","7","2","10","1") = "9"
    & skf18("2","7","7","7","3","1","1") = "6"
    & skf18("2","7","7","7","3","2","1") = "6"
    & skf18("2","7","7","7","3","3","1") = "6"
    & skf18("2","7","7","7","3","4","1") = "6"
    & skf18("2","7","7","7","3","5","1") = "6"
    & skf18("2","7","7","7","3","6","1") = "6"
    & skf18("2","7","7","7","3","7","1") = "6"
    & skf18("2","7","7","7","3","8","1") = "7"
    & skf18("2","7","7","7","3","9","1") = "8"
    & skf18("2","7","7","7","3","10","1") = "9"
    & skf18("2","7","7","7","4","1","1") = "6"
    & skf18("2","7","7","7","4","2","1") = "6"
    & skf18("2","7","7","7","4","3","1") = "6"
    & skf18("2","7","7","7","4","4","1") = "6"
    & skf18("2","7","7","7","4","5","1") = "6"
    & skf18("2","7","7","7","4","6","1") = "6"
    & skf18("2","7","7","7","4","7","1") = "6"
    & skf18("2","7","7","7","4","8","1") = "7"
    & skf18("2","7","7","7","4","9","1") = "8"
    & skf18("2","7","7","7","4","10","1") = "9"
    & skf18("2","7","7","7","5","1","1") = "6"
    & skf18("2","7","7","7","5","2","1") = "6"
    & skf18("2","7","7","7","5","3","1") = "6"
    & skf18("2","7","7","7","5","4","1") = "6"
    & skf18("2","7","7","7","5","5","1") = "6"
    & skf18("2","7","7","7","5","6","1") = "6"
    & skf18("2","7","7","7","5","7","1") = "6"
    & skf18("2","7","7","7","5","8","1") = "7"
    & skf18("2","7","7","7","5","9","1") = "8"
    & skf18("2","7","7","7","5","10","1") = "9"
    & skf18("2","7","7","7","6","1","1") = "6"
    & skf18("2","7","7","7","6","2","1") = "6"
    & skf18("2","7","7","7","6","3","1") = "6"
    & skf18("2","7","7","7","6","4","1") = "6"
    & skf18("2","7","7","7","6","5","1") = "6"
    & skf18("2","7","7","7","6","6","1") = "6"
    & skf18("2","7","7","7","6","7","1") = "6"
    & skf18("2","7","7","7","6","8","1") = "7"
    & skf18("2","7","7","7","6","9","1") = "8"
    & skf18("2","7","7","7","6","10","1") = "9"
    & skf18("2","7","7","7","7","1","1") = "6"
    & skf18("2","7","7","7","7","2","1") = "6"
    & skf18("2","7","7","7","7","3","1") = "6"
    & skf18("2","7","7","7","7","4","1") = "6"
    & skf18("2","7","7","7","7","5","1") = "6"
    & skf18("2","7","7","7","7","6","1") = "6"
    & skf18("2","7","7","7","7","7","1") = "6"
    & skf18("2","7","7","7","7","8","1") = "7"
    & skf18("2","7","7","7","7","9","1") = "8"
    & skf18("2","7","7","7","7","10","1") = "9"
    & skf18("2","7","7","7","8","1","1") = "7"
    & skf18("2","7","7","7","8","2","1") = "7"
    & skf18("2","7","7","7","8","3","1") = "7"
    & skf18("2","7","7","7","8","4","1") = "7"
    & skf18("2","7","7","7","8","5","1") = "7"
    & skf18("2","7","7","7","8","6","1") = "7"
    & skf18("2","7","7","7","8","7","1") = "7"
    & skf18("2","7","7","7","8","8","1") = "7"
    & skf18("2","7","7","7","8","9","1") = "8"
    & skf18("2","7","7","7","8","10","1") = "9"
    & skf18("2","7","7","7","9","1","1") = "8"
    & skf18("2","7","7","7","9","2","1") = "8"
    & skf18("2","7","7","7","9","3","1") = "8"
    & skf18("2","7","7","7","9","4","1") = "8"
    & skf18("2","7","7","7","9","5","1") = "8"
    & skf18("2","7","7","7","9","6","1") = "8"
    & skf18("2","7","7","7","9","7","1") = "8"
    & skf18("2","7","7","7","9","8","1") = "8"
    & skf18("2","7","7","7","9","9","1") = "8"
    & skf18("2","7","7","7","9","10","1") = "9"
    & skf18("2","7","7","7","10","1","1") = "9"
    & skf18("2","7","7","7","10","2","1") = "9"
    & skf18("2","7","7","7","10","3","1") = "9"
    & skf18("2","7","7","7","10","4","1") = "9"
    & skf18("2","7","7","7","10","5","1") = "9"
    & skf18("2","7","7","7","10","6","1") = "9"
    & skf18("2","7","7","7","10","7","1") = "9"
    & skf18("2","7","7","7","10","8","1") = "9"
    & skf18("2","7","7","7","10","9","1") = "9"
    & skf18("2","7","7","7","10","10","1") = "9"
    & skf18("2","7","7","8","1","1","1") = "7"
    & skf18("2","7","7","8","1","2","1") = "7"
    & skf18("2","7","7","8","1","3","1") = "7"
    & skf18("2","7","7","8","1","4","1") = "7"
    & skf18("2","7","7","8","1","5","1") = "7"
    & skf18("2","7","7","8","1","6","1") = "7"
    & skf18("2","7","7","8","1","7","1") = "7"
    & skf18("2","7","7","8","1","8","1") = "7"
    & skf18("2","7","7","8","1","9","1") = "8"
    & skf18("2","7","7","8","1","10","1") = "9"
    & skf18("2","7","7","8","2","1","1") = "7"
    & skf18("2","7","7","8","2","2","1") = "7"
    & skf18("2","7","7","8","2","3","1") = "7"
    & skf18("2","7","7","8","2","4","1") = "7"
    & skf18("2","7","7","8","2","5","1") = "7"
    & skf18("2","7","7","8","2","6","1") = "7"
    & skf18("2","7","7","8","2","7","1") = "7"
    & skf18("2","7","7","8","2","8","1") = "7"
    & skf18("2","7","7","8","2","9","1") = "8"
    & skf18("2","7","7","8","2","10","1") = "9"
    & skf18("2","7","7","8","3","1","1") = "7"
    & skf18("2","7","7","8","3","2","1") = "7"
    & skf18("2","7","7","8","3","3","1") = "7"
    & skf18("2","7","7","8","3","4","1") = "7"
    & skf18("2","7","7","8","3","5","1") = "7"
    & skf18("2","7","7","8","3","6","1") = "7"
    & skf18("2","7","7","8","3","7","1") = "7"
    & skf18("2","7","7","8","3","8","1") = "7"
    & skf18("2","7","7","8","3","9","1") = "8"
    & skf18("2","7","7","8","3","10","1") = "9"
    & skf18("2","7","7","8","4","1","1") = "7"
    & skf18("2","7","7","8","4","2","1") = "7"
    & skf18("2","7","7","8","4","3","1") = "7"
    & skf18("2","7","7","8","4","4","1") = "7"
    & skf18("2","7","7","8","4","5","1") = "7"
    & skf18("2","7","7","8","4","6","1") = "7"
    & skf18("2","7","7","8","4","7","1") = "7"
    & skf18("2","7","7","8","4","8","1") = "7"
    & skf18("2","7","7","8","4","9","1") = "8"
    & skf18("2","7","7","8","4","10","1") = "9"
    & skf18("2","7","7","8","5","1","1") = "7"
    & skf18("2","7","7","8","5","2","1") = "7"
    & skf18("2","7","7","8","5","3","1") = "7"
    & skf18("2","7","7","8","5","4","1") = "7"
    & skf18("2","7","7","8","5","5","1") = "7"
    & skf18("2","7","7","8","5","6","1") = "7"
    & skf18("2","7","7","8","5","7","1") = "7"
    & skf18("2","7","7","8","5","8","1") = "7"
    & skf18("2","7","7","8","5","9","1") = "8"
    & skf18("2","7","7","8","5","10","1") = "9"
    & skf18("2","7","7","8","6","1","1") = "7"
    & skf18("2","7","7","8","6","2","1") = "7"
    & skf18("2","7","7","8","6","3","1") = "7"
    & skf18("2","7","7","8","6","4","1") = "7"
    & skf18("2","7","7","8","6","5","1") = "7"
    & skf18("2","7","7","8","6","6","1") = "7"
    & skf18("2","7","7","8","6","7","1") = "7"
    & skf18("2","7","7","8","6","8","1") = "7"
    & skf18("2","7","7","8","6","9","1") = "8"
    & skf18("2","7","7","8","6","10","1") = "9"
    & skf18("2","7","7","8","7","1","1") = "7"
    & skf18("2","7","7","8","7","2","1") = "7"
    & skf18("2","7","7","8","7","3","1") = "7"
    & skf18("2","7","7","8","7","4","1") = "7"
    & skf18("2","7","7","8","7","5","1") = "7"
    & skf18("2","7","7","8","7","6","1") = "7"
    & skf18("2","7","7","8","7","7","1") = "7"
    & skf18("2","7","7","8","7","8","1") = "7"
    & skf18("2","7","7","8","7","9","1") = "8"
    & skf18("2","7","7","8","7","10","1") = "9"
    & skf18("2","7","7","8","8","1","1") = "7"
    & skf18("2","7","7","8","8","2","1") = "7"
    & skf18("2","7","7","8","8","3","1") = "7"
    & skf18("2","7","7","8","8","4","1") = "7"
    & skf18("2","7","7","8","8","5","1") = "7"
    & skf18("2","7","7","8","8","6","1") = "7"
    & skf18("2","7","7","8","8","7","1") = "7"
    & skf18("2","7","7","8","8","8","1") = "7"
    & skf18("2","7","7","8","8","9","1") = "8"
    & skf18("2","7","7","8","8","10","1") = "9"
    & skf18("2","7","7","8","9","1","1") = "8"
    & skf18("2","7","7","8","9","2","1") = "8"
    & skf18("2","7","7","8","9","3","1") = "8"
    & skf18("2","7","7","8","9","4","1") = "8"
    & skf18("2","7","7","8","9","5","1") = "8"
    & skf18("2","7","7","8","9","6","1") = "8"
    & skf18("2","7","7","8","9","7","1") = "8"
    & skf18("2","7","7","8","9","8","1") = "8"
    & skf18("2","7","7","8","9","9","1") = "8"
    & skf18("2","7","7","8","9","10","1") = "9"
    & skf18("2","7","7","8","10","1","1") = "9"
    & skf18("2","7","7","8","10","2","1") = "9"
    & skf18("2","7","7","8","10","3","1") = "9"
    & skf18("2","7","7","8","10","4","1") = "9"
    & skf18("2","7","7","8","10","5","1") = "9"
    & skf18("2","7","7","8","10","6","1") = "9"
    & skf18("2","7","7","8","10","7","1") = "9"
    & skf18("2","7","7","8","10","8","1") = "9"
    & skf18("2","7","7","8","10","9","1") = "9"
    & skf18("2","7","7","8","10","10","1") = "9"
    & skf18("2","7","7","9","1","1","1") = "8"
    & skf18("2","7","7","9","1","2","1") = "8"
    & skf18("2","7","7","9","1","3","1") = "8"
    & skf18("2","7","7","9","1","4","1") = "8"
    & skf18("2","7","7","9","1","5","1") = "8"
    & skf18("2","7","7","9","1","6","1") = "8"
    & skf18("2","7","7","9","1","7","1") = "8"
    & skf18("2","7","7","9","1","8","1") = "8"
    & skf18("2","7","7","9","1","9","1") = "8"
    & skf18("2","7","7","9","1","10","1") = "9"
    & skf18("2","7","7","9","2","1","1") = "8"
    & skf18("2","7","7","9","2","2","1") = "8"
    & skf18("2","7","7","9","2","3","1") = "8"
    & skf18("2","7","7","9","2","4","1") = "8"
    & skf18("2","7","7","9","2","5","1") = "8"
    & skf18("2","7","7","9","2","6","1") = "8"
    & skf18("2","7","7","9","2","7","1") = "8"
    & skf18("2","7","7","9","2","8","1") = "8"
    & skf18("2","7","7","9","2","9","1") = "8"
    & skf18("2","7","7","9","2","10","1") = "9"
    & skf18("2","7","7","9","3","1","1") = "8"
    & skf18("2","7","7","9","3","2","1") = "8"
    & skf18("2","7","7","9","3","3","1") = "8"
    & skf18("2","7","7","9","3","4","1") = "8"
    & skf18("2","7","7","9","3","5","1") = "8"
    & skf18("2","7","7","9","3","6","1") = "8"
    & skf18("2","7","7","9","3","7","1") = "8"
    & skf18("2","7","7","9","3","8","1") = "8"
    & skf18("2","7","7","9","3","9","1") = "8"
    & skf18("2","7","7","9","3","10","1") = "9"
    & skf18("2","7","7","9","4","1","1") = "8"
    & skf18("2","7","7","9","4","2","1") = "8"
    & skf18("2","7","7","9","4","3","1") = "8"
    & skf18("2","7","7","9","4","4","1") = "8"
    & skf18("2","7","7","9","4","5","1") = "8"
    & skf18("2","7","7","9","4","6","1") = "8"
    & skf18("2","7","7","9","4","7","1") = "8"
    & skf18("2","7","7","9","4","8","1") = "8"
    & skf18("2","7","7","9","4","9","1") = "8"
    & skf18("2","7","7","9","4","10","1") = "9"
    & skf18("2","7","7","9","5","1","1") = "8"
    & skf18("2","7","7","9","5","2","1") = "8"
    & skf18("2","7","7","9","5","3","1") = "8"
    & skf18("2","7","7","9","5","4","1") = "8"
    & skf18("2","7","7","9","5","5","1") = "8"
    & skf18("2","7","7","9","5","6","1") = "8"
    & skf18("2","7","7","9","5","7","1") = "8"
    & skf18("2","7","7","9","5","8","1") = "8"
    & skf18("2","7","7","9","5","9","1") = "8"
    & skf18("2","7","7","9","5","10","1") = "9"
    & skf18("2","7","7","9","6","1","1") = "8"
    & skf18("2","7","7","9","6","2","1") = "8"
    & skf18("2","7","7","9","6","3","1") = "8"
    & skf18("2","7","7","9","6","4","1") = "8"
    & skf18("2","7","7","9","6","5","1") = "8"
    & skf18("2","7","7","9","6","6","1") = "8"
    & skf18("2","7","7","9","6","7","1") = "8"
    & skf18("2","7","7","9","6","8","1") = "8"
    & skf18("2","7","7","9","6","9","1") = "8"
    & skf18("2","7","7","9","6","10","1") = "9"
    & skf18("2","7","7","9","7","1","1") = "8"
    & skf18("2","7","7","9","7","2","1") = "8"
    & skf18("2","7","7","9","7","3","1") = "8"
    & skf18("2","7","7","9","7","4","1") = "8"
    & skf18("2","7","7","9","7","5","1") = "8"
    & skf18("2","7","7","9","7","6","1") = "8"
    & skf18("2","7","7","9","7","7","1") = "8"
    & skf18("2","7","7","9","7","8","1") = "8"
    & skf18("2","7","7","9","7","9","1") = "8"
    & skf18("2","7","7","9","7","10","1") = "9"
    & skf18("2","7","7","9","8","1","1") = "8"
    & skf18("2","7","7","9","8","2","1") = "8"
    & skf18("2","7","7","9","8","3","1") = "8"
    & skf18("2","7","7","9","8","4","1") = "8"
    & skf18("2","7","7","9","8","5","1") = "8"
    & skf18("2","7","7","9","8","6","1") = "8"
    & skf18("2","7","7","9","8","7","1") = "8"
    & skf18("2","7","7","9","8","8","1") = "8"
    & skf18("2","7","7","9","8","9","1") = "8"
    & skf18("2","7","7","9","8","10","1") = "9"
    & skf18("2","7","7","9","9","1","1") = "8"
    & skf18("2","7","7","9","9","2","1") = "8"
    & skf18("2","7","7","9","9","3","1") = "8"
    & skf18("2","7","7","9","9","4","1") = "8"
    & skf18("2","7","7","9","9","5","1") = "8"
    & skf18("2","7","7","9","9","6","1") = "8"
    & skf18("2","7","7","9","9","7","1") = "8"
    & skf18("2","7","7","9","9","8","1") = "8"
    & skf18("2","7","7","9","9","9","1") = "8"
    & skf18("2","7","7","9","9","10","1") = "9"
    & skf18("2","7","7","9","10","1","1") = "9"
    & skf18("2","7","7","9","10","2","1") = "9"
    & skf18("2","7","7","9","10","3","1") = "9"
    & skf18("2","7","7","9","10","4","1") = "9"
    & skf18("2","7","7","9","10","5","1") = "9"
    & skf18("2","7","7","9","10","6","1") = "9"
    & skf18("2","7","7","9","10","7","1") = "9"
    & skf18("2","7","7","9","10","8","1") = "9"
    & skf18("2","7","7","9","10","9","1") = "9"
    & skf18("2","7","7","9","10","10","1") = "9"
    & skf18("2","7","7","10","1","1","1") = "9"
    & skf18("2","7","7","10","1","2","1") = "9"
    & skf18("2","7","7","10","1","3","1") = "9"
    & skf18("2","7","7","10","1","4","1") = "9"
    & skf18("2","7","7","10","1","5","1") = "9"
    & skf18("2","7","7","10","1","6","1") = "9"
    & skf18("2","7","7","10","1","7","1") = "9"
    & skf18("2","7","7","10","1","8","1") = "9"
    & skf18("2","7","7","10","1","9","1") = "9"
    & skf18("2","7","7","10","1","10","1") = "9"
    & skf18("2","7","7","10","2","1","1") = "9"
    & skf18("2","7","7","10","2","2","1") = "9"
    & skf18("2","7","7","10","2","3","1") = "9"
    & skf18("2","7","7","10","2","4","1") = "9"
    & skf18("2","7","7","10","2","5","1") = "9"
    & skf18("2","7","7","10","2","6","1") = "9"
    & skf18("2","7","7","10","2","7","1") = "9"
    & skf18("2","7","7","10","2","8","1") = "9"
    & skf18("2","7","7","10","2","9","1") = "9"
    & skf18("2","7","7","10","2","10","1") = "9"
    & skf18("2","7","7","10","3","1","1") = "9"
    & skf18("2","7","7","10","3","2","1") = "9"
    & skf18("2","7","7","10","3","3","1") = "9"
    & skf18("2","7","7","10","3","4","1") = "9"
    & skf18("2","7","7","10","3","5","1") = "9"
    & skf18("2","7","7","10","3","6","1") = "9"
    & skf18("2","7","7","10","3","7","1") = "9"
    & skf18("2","7","7","10","3","8","1") = "9"
    & skf18("2","7","7","10","3","9","1") = "9"
    & skf18("2","7","7","10","3","10","1") = "9"
    & skf18("2","7","7","10","4","1","1") = "9"
    & skf18("2","7","7","10","4","2","1") = "9"
    & skf18("2","7","7","10","4","3","1") = "9"
    & skf18("2","7","7","10","4","4","1") = "9"
    & skf18("2","7","7","10","4","5","1") = "9"
    & skf18("2","7","7","10","4","6","1") = "9"
    & skf18("2","7","7","10","4","7","1") = "9"
    & skf18("2","7","7","10","4","8","1") = "9"
    & skf18("2","7","7","10","4","9","1") = "9"
    & skf18("2","7","7","10","4","10","1") = "9"
    & skf18("2","7","7","10","5","1","1") = "9"
    & skf18("2","7","7","10","5","2","1") = "9"
    & skf18("2","7","7","10","5","3","1") = "9"
    & skf18("2","7","7","10","5","4","1") = "9"
    & skf18("2","7","7","10","5","5","1") = "9"
    & skf18("2","7","7","10","5","6","1") = "9"
    & skf18("2","7","7","10","5","7","1") = "9"
    & skf18("2","7","7","10","5","8","1") = "9"
    & skf18("2","7","7","10","5","9","1") = "9"
    & skf18("2","7","7","10","5","10","1") = "9"
    & skf18("2","7","7","10","6","1","1") = "9"
    & skf18("2","7","7","10","6","2","1") = "9"
    & skf18("2","7","7","10","6","3","1") = "9"
    & skf18("2","7","7","10","6","4","1") = "9"
    & skf18("2","7","7","10","6","5","1") = "9"
    & skf18("2","7","7","10","6","6","1") = "9"
    & skf18("2","7","7","10","6","7","1") = "9"
    & skf18("2","7","7","10","6","8","1") = "9"
    & skf18("2","7","7","10","6","9","1") = "9"
    & skf18("2","7","7","10","6","10","1") = "9"
    & skf18("2","7","7","10","7","1","1") = "9"
    & skf18("2","7","7","10","7","2","1") = "9"
    & skf18("2","7","7","10","7","3","1") = "9"
    & skf18("2","7","7","10","7","4","1") = "9"
    & skf18("2","7","7","10","7","5","1") = "9"
    & skf18("2","7","7","10","7","6","1") = "9"
    & skf18("2","7","7","10","7","7","1") = "9"
    & skf18("2","7","7","10","7","8","1") = "9"
    & skf18("2","7","7","10","7","9","1") = "9"
    & skf18("2","7","7","10","7","10","1") = "9"
    & skf18("2","7","7","10","8","1","1") = "9"
    & skf18("2","7","7","10","8","2","1") = "9"
    & skf18("2","7","7","10","8","3","1") = "9"
    & skf18("2","7","7","10","8","4","1") = "9"
    & skf18("2","7","7","10","8","5","1") = "9"
    & skf18("2","7","7","10","8","6","1") = "9"
    & skf18("2","7","7","10","8","7","1") = "9"
    & skf18("2","7","7","10","8","8","1") = "9"
    & skf18("2","7","7","10","8","9","1") = "9"
    & skf18("2","7","7","10","8","10","1") = "9"
    & skf18("2","7","7","10","9","1","1") = "9"
    & skf18("2","7","7","10","9","2","1") = "9"
    & skf18("2","7","7","10","9","3","1") = "9"
    & skf18("2","7","7","10","9","4","1") = "9"
    & skf18("2","7","7","10","9","5","1") = "9"
    & skf18("2","7","7","10","9","6","1") = "9"
    & skf18("2","7","7","10","9","7","1") = "9"
    & skf18("2","7","7","10","9","8","1") = "9"
    & skf18("2","7","7","10","9","9","1") = "9"
    & skf18("2","7","7","10","9","10","1") = "9"
    & skf18("2","7","7","10","10","1","1") = "9"
    & skf18("2","7","7","10","10","2","1") = "9"
    & skf18("2","7","7","10","10","3","1") = "9"
    & skf18("2","7","7","10","10","4","1") = "9"
    & skf18("2","7","7","10","10","5","1") = "9"
    & skf18("2","7","7","10","10","6","1") = "9"
    & skf18("2","7","7","10","10","7","1") = "9"
    & skf18("2","7","7","10","10","8","1") = "9"
    & skf18("2","7","7","10","10","9","1") = "9"
    & skf18("2","7","7","10","10","10","1") = "9"
    & skf18("2","7","8","1","1","1","1") = "7"
    & skf18("2","7","8","1","1","2","1") = "7"
    & skf18("2","7","8","1","1","3","1") = "7"
    & skf18("2","7","8","1","1","4","1") = "7"
    & skf18("2","7","8","1","1","5","1") = "7"
    & skf18("2","7","8","1","1","6","1") = "7"
    & skf18("2","7","8","1","1","7","1") = "7"
    & skf18("2","7","8","1","1","8","1") = "7"
    & skf18("2","7","8","1","1","9","1") = "8"
    & skf18("2","7","8","1","1","10","1") = "9"
    & skf18("2","7","8","1","2","1","1") = "7"
    & skf18("2","7","8","1","2","2","1") = "7"
    & skf18("2","7","8","1","2","3","1") = "7"
    & skf18("2","7","8","1","2","4","1") = "7"
    & skf18("2","7","8","1","2","5","1") = "7"
    & skf18("2","7","8","1","2","6","1") = "7"
    & skf18("2","7","8","1","2","7","1") = "7"
    & skf18("2","7","8","1","2","8","1") = "7"
    & skf18("2","7","8","1","2","9","1") = "8"
    & skf18("2","7","8","1","2","10","1") = "9"
    & skf18("2","7","8","1","3","1","1") = "7"
    & skf18("2","7","8","1","3","2","1") = "7"
    & skf18("2","7","8","1","3","3","1") = "7"
    & skf18("2","7","8","1","3","4","1") = "7"
    & skf18("2","7","8","1","3","5","1") = "7"
    & skf18("2","7","8","1","3","6","1") = "7"
    & skf18("2","7","8","1","3","7","1") = "7"
    & skf18("2","7","8","1","3","8","1") = "7"
    & skf18("2","7","8","1","3","9","1") = "8"
    & skf18("2","7","8","1","3","10","1") = "9"
    & skf18("2","7","8","1","4","1","1") = "7"
    & skf18("2","7","8","1","4","2","1") = "7"
    & skf18("2","7","8","1","4","3","1") = "7"
    & skf18("2","7","8","1","4","4","1") = "7"
    & skf18("2","7","8","1","4","5","1") = "7"
    & skf18("2","7","8","1","4","6","1") = "7"
    & skf18("2","7","8","1","4","7","1") = "7"
    & skf18("2","7","8","1","4","8","1") = "7"
    & skf18("2","7","8","1","4","9","1") = "8"
    & skf18("2","7","8","1","4","10","1") = "9"
    & skf18("2","7","8","1","5","1","1") = "7"
    & skf18("2","7","8","1","5","2","1") = "7"
    & skf18("2","7","8","1","5","3","1") = "7"
    & skf18("2","7","8","1","5","4","1") = "7"
    & skf18("2","7","8","1","5","5","1") = "7"
    & skf18("2","7","8","1","5","6","1") = "7"
    & skf18("2","7","8","1","5","7","1") = "7"
    & skf18("2","7","8","1","5","8","1") = "7"
    & skf18("2","7","8","1","5","9","1") = "8"
    & skf18("2","7","8","1","5","10","1") = "9"
    & skf18("2","7","8","1","6","1","1") = "7"
    & skf18("2","7","8","1","6","2","1") = "7"
    & skf18("2","7","8","1","6","3","1") = "7"
    & skf18("2","7","8","1","6","4","1") = "7"
    & skf18("2","7","8","1","6","5","1") = "7"
    & skf18("2","7","8","1","6","6","1") = "7"
    & skf18("2","7","8","1","6","7","1") = "7"
    & skf18("2","7","8","1","6","8","1") = "7"
    & skf18("2","7","8","1","6","9","1") = "8"
    & skf18("2","7","8","1","6","10","1") = "9"
    & skf18("2","7","8","1","7","1","1") = "7"
    & skf18("2","7","8","1","7","2","1") = "7"
    & skf18("2","7","8","1","7","3","1") = "7"
    & skf18("2","7","8","1","7","4","1") = "7"
    & skf18("2","7","8","1","7","5","1") = "7"
    & skf18("2","7","8","1","7","6","1") = "7"
    & skf18("2","7","8","1","7","7","1") = "7"
    & skf18("2","7","8","1","7","8","1") = "7"
    & skf18("2","7","8","1","7","9","1") = "8"
    & skf18("2","7","8","1","7","10","1") = "9"
    & skf18("2","7","8","1","8","1","1") = "7"
    & skf18("2","7","8","1","8","2","1") = "7"
    & skf18("2","7","8","1","8","3","1") = "7"
    & skf18("2","7","8","1","8","4","1") = "7"
    & skf18("2","7","8","1","8","5","1") = "7"
    & skf18("2","7","8","1","8","6","1") = "7"
    & skf18("2","7","8","1","8","7","1") = "7"
    & skf18("2","7","8","1","8","8","1") = "7"
    & skf18("2","7","8","1","8","9","1") = "8"
    & skf18("2","7","8","1","8","10","1") = "9"
    & skf18("2","7","8","1","9","1","1") = "8"
    & skf18("2","7","8","1","9","2","1") = "8"
    & skf18("2","7","8","1","9","3","1") = "8"
    & skf18("2","7","8","1","9","4","1") = "8"
    & skf18("2","7","8","1","9","5","1") = "8"
    & skf18("2","7","8","1","9","6","1") = "8"
    & skf18("2","7","8","1","9","7","1") = "8"
    & skf18("2","7","8","1","9","8","1") = "8"
    & skf18("2","7","8","1","9","9","1") = "8"
    & skf18("2","7","8","1","9","10","1") = "9"
    & skf18("2","7","8","1","10","1","1") = "9"
    & skf18("2","7","8","1","10","2","1") = "9"
    & skf18("2","7","8","1","10","3","1") = "9"
    & skf18("2","7","8","1","10","4","1") = "9"
    & skf18("2","7","8","1","10","5","1") = "9"
    & skf18("2","7","8","1","10","6","1") = "9"
    & skf18("2","7","8","1","10","7","1") = "9"
    & skf18("2","7","8","1","10","8","1") = "9"
    & skf18("2","7","8","1","10","9","1") = "9"
    & skf18("2","7","8","1","10","10","1") = "9"
    & skf18("2","7","8","2","1","1","1") = "7"
    & skf18("2","7","8","2","1","2","1") = "7"
    & skf18("2","7","8","2","1","3","1") = "7"
    & skf18("2","7","8","2","1","4","1") = "7"
    & skf18("2","7","8","2","1","5","1") = "7"
    & skf18("2","7","8","2","1","6","1") = "7"
    & skf18("2","7","8","2","1","7","1") = "7"
    & skf18("2","7","8","2","1","8","1") = "7"
    & skf18("2","7","8","2","1","9","1") = "8"
    & skf18("2","7","8","2","1","10","1") = "9"
    & skf18("2","7","8","2","2","1","1") = "7"
    & skf18("2","7","8","2","2","2","1") = "7"
    & skf18("2","7","8","2","2","3","1") = "7"
    & skf18("2","7","8","2","2","4","1") = "7"
    & skf18("2","7","8","2","2","5","1") = "7"
    & skf18("2","7","8","2","2","6","1") = "7"
    & skf18("2","7","8","2","2","7","1") = "7"
    & skf18("2","7","8","2","2","8","1") = "7"
    & skf18("2","7","8","2","2","9","1") = "8"
    & skf18("2","7","8","2","2","10","1") = "9"
    & skf18("2","7","8","2","3","1","1") = "7"
    & skf18("2","7","8","2","3","2","1") = "7"
    & skf18("2","7","8","2","3","3","1") = "7"
    & skf18("2","7","8","2","3","4","1") = "7"
    & skf18("2","7","8","2","3","5","1") = "7"
    & skf18("2","7","8","2","3","6","1") = "7"
    & skf18("2","7","8","2","3","7","1") = "7"
    & skf18("2","7","8","2","3","8","1") = "7"
    & skf18("2","7","8","2","3","9","1") = "8"
    & skf18("2","7","8","2","3","10","1") = "9"
    & skf18("2","7","8","2","4","1","1") = "7"
    & skf18("2","7","8","2","4","2","1") = "7"
    & skf18("2","7","8","2","4","3","1") = "7"
    & skf18("2","7","8","2","4","4","1") = "7"
    & skf18("2","7","8","2","4","5","1") = "7"
    & skf18("2","7","8","2","4","6","1") = "7"
    & skf18("2","7","8","2","4","7","1") = "7"
    & skf18("2","7","8","2","4","8","1") = "7"
    & skf18("2","7","8","2","4","9","1") = "8"
    & skf18("2","7","8","2","4","10","1") = "9"
    & skf18("2","7","8","2","5","1","1") = "7"
    & skf18("2","7","8","2","5","2","1") = "7"
    & skf18("2","7","8","2","5","3","1") = "7"
    & skf18("2","7","8","2","5","4","1") = "7"
    & skf18("2","7","8","2","5","5","1") = "7"
    & skf18("2","7","8","2","5","6","1") = "7"
    & skf18("2","7","8","2","5","7","1") = "7"
    & skf18("2","7","8","2","5","8","1") = "7"
    & skf18("2","7","8","2","5","9","1") = "8"
    & skf18("2","7","8","2","5","10","1") = "9"
    & skf18("2","7","8","2","6","1","1") = "7"
    & skf18("2","7","8","2","6","2","1") = "7"
    & skf18("2","7","8","2","6","3","1") = "7"
    & skf18("2","7","8","2","6","4","1") = "7"
    & skf18("2","7","8","2","6","5","1") = "7"
    & skf18("2","7","8","2","6","6","1") = "7"
    & skf18("2","7","8","2","6","7","1") = "7"
    & skf18("2","7","8","2","6","8","1") = "7"
    & skf18("2","7","8","2","6","9","1") = "8"
    & skf18("2","7","8","2","6","10","1") = "9"
    & skf18("2","7","8","2","7","1","1") = "7"
    & skf18("2","7","8","2","7","2","1") = "7"
    & skf18("2","7","8","2","7","3","1") = "7"
    & skf18("2","7","8","2","7","4","1") = "7"
    & skf18("2","7","8","2","7","5","1") = "7"
    & skf18("2","7","8","2","7","6","1") = "7"
    & skf18("2","7","8","2","7","7","1") = "7"
    & skf18("2","7","8","2","7","8","1") = "7"
    & skf18("2","7","8","2","7","9","1") = "8"
    & skf18("2","7","8","2","7","10","1") = "9"
    & skf18("2","7","8","2","8","1","1") = "7"
    & skf18("2","7","8","2","8","2","1") = "7"
    & skf18("2","7","8","2","8","3","1") = "7"
    & skf18("2","7","8","2","8","4","1") = "7"
    & skf18("2","7","8","2","8","5","1") = "7"
    & skf18("2","7","8","2","8","6","1") = "7"
    & skf18("2","7","8","2","8","7","1") = "7"
    & skf18("2","7","8","2","8","8","1") = "7"
    & skf18("2","7","8","2","8","9","1") = "8"
    & skf18("2","7","8","2","8","10","1") = "9"
    & skf18("2","7","8","2","9","1","1") = "8"
    & skf18("2","7","8","2","9","2","1") = "8"
    & skf18("2","7","8","2","9","3","1") = "8"
    & skf18("2","7","8","2","9","4","1") = "8"
    & skf18("2","7","8","2","9","5","1") = "8"
    & skf18("2","7","8","2","9","6","1") = "8"
    & skf18("2","7","8","2","9","7","1") = "8"
    & skf18("2","7","8","2","9","8","1") = "8"
    & skf18("2","7","8","2","9","9","1") = "8"
    & skf18("2","7","8","2","9","10","1") = "9"
    & skf18("2","7","8","2","10","1","1") = "9"
    & skf18("2","7","8","2","10","2","1") = "9"
    & skf18("2","7","8","2","10","3","1") = "9"
    & skf18("2","7","8","2","10","4","1") = "9"
    & skf18("2","7","8","2","10","5","1") = "9"
    & skf18("2","7","8","2","10","6","1") = "9"
    & skf18("2","7","8","2","10","7","1") = "9"
    & skf18("2","7","8","2","10","8","1") = "9"
    & skf18("2","7","8","2","10","9","1") = "9"
    & skf18("2","7","8","2","10","10","1") = "9"
    & skf18("2","7","8","3","1","1","1") = "7"
    & skf18("2","7","8","3","1","2","1") = "7"
    & skf18("2","7","8","3","1","3","1") = "7"
    & skf18("2","7","8","3","1","4","1") = "7"
    & skf18("2","7","8","3","1","5","1") = "7"
    & skf18("2","7","8","3","1","6","1") = "7"
    & skf18("2","7","8","3","1","7","1") = "7"
    & skf18("2","7","8","3","1","8","1") = "7"
    & skf18("2","7","8","3","1","9","1") = "8"
    & skf18("2","7","8","3","1","10","1") = "9"
    & skf18("2","7","8","3","2","1","1") = "7"
    & skf18("2","7","8","3","2","2","1") = "7"
    & skf18("2","7","8","3","2","3","1") = "7"
    & skf18("2","7","8","3","2","4","1") = "7"
    & skf18("2","7","8","3","2","5","1") = "7"
    & skf18("2","7","8","3","2","6","1") = "7"
    & skf18("2","7","8","3","2","7","1") = "7"
    & skf18("2","7","8","3","2","8","1") = "7"
    & skf18("2","7","8","3","2","9","1") = "8"
    & skf18("2","7","8","3","2","10","1") = "9"
    & skf18("2","7","8","3","3","1","1") = "7"
    & skf18("2","7","8","3","3","2","1") = "7"
    & skf18("2","7","8","3","3","3","1") = "7"
    & skf18("2","7","8","3","3","4","1") = "7"
    & skf18("2","7","8","3","3","5","1") = "7"
    & skf18("2","7","8","3","3","6","1") = "7"
    & skf18("2","7","8","3","3","7","1") = "7"
    & skf18("2","7","8","3","3","8","1") = "7"
    & skf18("2","7","8","3","3","9","1") = "8"
    & skf18("2","7","8","3","3","10","1") = "9"
    & skf18("2","7","8","3","4","1","1") = "7"
    & skf18("2","7","8","3","4","2","1") = "7"
    & skf18("2","7","8","3","4","3","1") = "7"
    & skf18("2","7","8","3","4","4","1") = "7"
    & skf18("2","7","8","3","4","5","1") = "7"
    & skf18("2","7","8","3","4","6","1") = "7"
    & skf18("2","7","8","3","4","7","1") = "7"
    & skf18("2","7","8","3","4","8","1") = "7"
    & skf18("2","7","8","3","4","9","1") = "8"
    & skf18("2","7","8","3","4","10","1") = "9"
    & skf18("2","7","8","3","5","1","1") = "7"
    & skf18("2","7","8","3","5","2","1") = "7"
    & skf18("2","7","8","3","5","3","1") = "7"
    & skf18("2","7","8","3","5","4","1") = "7"
    & skf18("2","7","8","3","5","5","1") = "7"
    & skf18("2","7","8","3","5","6","1") = "7"
    & skf18("2","7","8","3","5","7","1") = "7"
    & skf18("2","7","8","3","5","8","1") = "7"
    & skf18("2","7","8","3","5","9","1") = "8"
    & skf18("2","7","8","3","5","10","1") = "9"
    & skf18("2","7","8","3","6","1","1") = "7"
    & skf18("2","7","8","3","6","2","1") = "7"
    & skf18("2","7","8","3","6","3","1") = "7"
    & skf18("2","7","8","3","6","4","1") = "7"
    & skf18("2","7","8","3","6","5","1") = "7"
    & skf18("2","7","8","3","6","6","1") = "7"
    & skf18("2","7","8","3","6","7","1") = "7"
    & skf18("2","7","8","3","6","8","1") = "7"
    & skf18("2","7","8","3","6","9","1") = "8"
    & skf18("2","7","8","3","6","10","1") = "9"
    & skf18("2","7","8","3","7","1","1") = "7"
    & skf18("2","7","8","3","7","2","1") = "7"
    & skf18("2","7","8","3","7","3","1") = "7"
    & skf18("2","7","8","3","7","4","1") = "7"
    & skf18("2","7","8","3","7","5","1") = "7"
    & skf18("2","7","8","3","7","6","1") = "7"
    & skf18("2","7","8","3","7","7","1") = "7"
    & skf18("2","7","8","3","7","8","1") = "7"
    & skf18("2","7","8","3","7","9","1") = "8"
    & skf18("2","7","8","3","7","10","1") = "9"
    & skf18("2","7","8","3","8","1","1") = "7"
    & skf18("2","7","8","3","8","2","1") = "7"
    & skf18("2","7","8","3","8","3","1") = "7"
    & skf18("2","7","8","3","8","4","1") = "7"
    & skf18("2","7","8","3","8","5","1") = "7"
    & skf18("2","7","8","3","8","6","1") = "7"
    & skf18("2","7","8","3","8","7","1") = "7"
    & skf18("2","7","8","3","8","8","1") = "7"
    & skf18("2","7","8","3","8","9","1") = "8"
    & skf18("2","7","8","3","8","10","1") = "9"
    & skf18("2","7","8","3","9","1","1") = "8"
    & skf18("2","7","8","3","9","2","1") = "8"
    & skf18("2","7","8","3","9","3","1") = "8"
    & skf18("2","7","8","3","9","4","1") = "8"
    & skf18("2","7","8","3","9","5","1") = "8"
    & skf18("2","7","8","3","9","6","1") = "8"
    & skf18("2","7","8","3","9","7","1") = "8"
    & skf18("2","7","8","3","9","8","1") = "8"
    & skf18("2","7","8","3","9","9","1") = "8"
    & skf18("2","7","8","3","9","10","1") = "9"
    & skf18("2","7","8","3","10","1","1") = "9"
    & skf18("2","7","8","3","10","2","1") = "9"
    & skf18("2","7","8","3","10","3","1") = "9"
    & skf18("2","7","8","3","10","4","1") = "9"
    & skf18("2","7","8","3","10","5","1") = "9"
    & skf18("2","7","8","3","10","6","1") = "9"
    & skf18("2","7","8","3","10","7","1") = "9"
    & skf18("2","7","8","3","10","8","1") = "9"
    & skf18("2","7","8","3","10","9","1") = "9"
    & skf18("2","7","8","3","10","10","1") = "9"
    & skf18("2","7","8","4","1","1","1") = "7"
    & skf18("2","7","8","4","1","2","1") = "7"
    & skf18("2","7","8","4","1","3","1") = "7"
    & skf18("2","7","8","4","1","4","1") = "7"
    & skf18("2","7","8","4","1","5","1") = "7"
    & skf18("2","7","8","4","1","6","1") = "7"
    & skf18("2","7","8","4","1","7","1") = "7"
    & skf18("2","7","8","4","1","8","1") = "7"
    & skf18("2","7","8","4","1","9","1") = "8"
    & skf18("2","7","8","4","1","10","1") = "9"
    & skf18("2","7","8","4","2","1","1") = "7"
    & skf18("2","7","8","4","2","2","1") = "7"
    & skf18("2","7","8","4","2","3","1") = "7"
    & skf18("2","7","8","4","2","4","1") = "7"
    & skf18("2","7","8","4","2","5","1") = "7"
    & skf18("2","7","8","4","2","6","1") = "7"
    & skf18("2","7","8","4","2","7","1") = "7"
    & skf18("2","7","8","4","2","8","1") = "7"
    & skf18("2","7","8","4","2","9","1") = "8"
    & skf18("2","7","8","4","2","10","1") = "9"
    & skf18("2","7","8","4","3","1","1") = "7"
    & skf18("2","7","8","4","3","2","1") = "7"
    & skf18("2","7","8","4","3","3","1") = "7"
    & skf18("2","7","8","4","3","4","1") = "7"
    & skf18("2","7","8","4","3","5","1") = "7"
    & skf18("2","7","8","4","3","6","1") = "7"
    & skf18("2","7","8","4","3","7","1") = "7"
    & skf18("2","7","8","4","3","8","1") = "7"
    & skf18("2","7","8","4","3","9","1") = "8"
    & skf18("2","7","8","4","3","10","1") = "9"
    & skf18("2","7","8","4","4","1","1") = "7"
    & skf18("2","7","8","4","4","2","1") = "7"
    & skf18("2","7","8","4","4","3","1") = "7"
    & skf18("2","7","8","4","4","4","1") = "7"
    & skf18("2","7","8","4","4","5","1") = "7"
    & skf18("2","7","8","4","4","6","1") = "7"
    & skf18("2","7","8","4","4","7","1") = "7"
    & skf18("2","7","8","4","4","8","1") = "7"
    & skf18("2","7","8","4","4","9","1") = "8"
    & skf18("2","7","8","4","4","10","1") = "9"
    & skf18("2","7","8","4","5","1","1") = "7"
    & skf18("2","7","8","4","5","2","1") = "7"
    & skf18("2","7","8","4","5","3","1") = "7"
    & skf18("2","7","8","4","5","4","1") = "7"
    & skf18("2","7","8","4","5","5","1") = "7"
    & skf18("2","7","8","4","5","6","1") = "7"
    & skf18("2","7","8","4","5","7","1") = "7"
    & skf18("2","7","8","4","5","8","1") = "7"
    & skf18("2","7","8","4","5","9","1") = "8"
    & skf18("2","7","8","4","5","10","1") = "9"
    & skf18("2","7","8","4","6","1","1") = "7"
    & skf18("2","7","8","4","6","2","1") = "7"
    & skf18("2","7","8","4","6","3","1") = "7"
    & skf18("2","7","8","4","6","4","1") = "7"
    & skf18("2","7","8","4","6","5","1") = "7"
    & skf18("2","7","8","4","6","6","1") = "7"
    & skf18("2","7","8","4","6","7","1") = "7"
    & skf18("2","7","8","4","6","8","1") = "7"
    & skf18("2","7","8","4","6","9","1") = "8"
    & skf18("2","7","8","4","6","10","1") = "9"
    & skf18("2","7","8","4","7","1","1") = "7"
    & skf18("2","7","8","4","7","2","1") = "7"
    & skf18("2","7","8","4","7","3","1") = "7"
    & skf18("2","7","8","4","7","4","1") = "7"
    & skf18("2","7","8","4","7","5","1") = "7"
    & skf18("2","7","8","4","7","6","1") = "7"
    & skf18("2","7","8","4","7","7","1") = "7"
    & skf18("2","7","8","4","7","8","1") = "7"
    & skf18("2","7","8","4","7","9","1") = "8"
    & skf18("2","7","8","4","7","10","1") = "9"
    & skf18("2","7","8","4","8","1","1") = "7"
    & skf18("2","7","8","4","8","2","1") = "7"
    & skf18("2","7","8","4","8","3","1") = "7"
    & skf18("2","7","8","4","8","4","1") = "7"
    & skf18("2","7","8","4","8","5","1") = "7"
    & skf18("2","7","8","4","8","6","1") = "7"
    & skf18("2","7","8","4","8","7","1") = "7"
    & skf18("2","7","8","4","8","8","1") = "7"
    & skf18("2","7","8","4","8","9","1") = "8"
    & skf18("2","7","8","4","8","10","1") = "9"
    & skf18("2","7","8","4","9","1","1") = "8"
    & skf18("2","7","8","4","9","2","1") = "8"
    & skf18("2","7","8","4","9","3","1") = "8"
    & skf18("2","7","8","4","9","4","1") = "8"
    & skf18("2","7","8","4","9","5","1") = "8"
    & skf18("2","7","8","4","9","6","1") = "8"
    & skf18("2","7","8","4","9","7","1") = "8"
    & skf18("2","7","8","4","9","8","1") = "8"
    & skf18("2","7","8","4","9","9","1") = "8"
    & skf18("2","7","8","4","9","10","1") = "9"
    & skf18("2","7","8","4","10","1","1") = "9"
    & skf18("2","7","8","4","10","2","1") = "9"
    & skf18("2","7","8","4","10","3","1") = "9"
    & skf18("2","7","8","4","10","4","1") = "9"
    & skf18("2","7","8","4","10","5","1") = "9"
    & skf18("2","7","8","4","10","6","1") = "9"
    & skf18("2","7","8","4","10","7","1") = "9"
    & skf18("2","7","8","4","10","8","1") = "9"
    & skf18("2","7","8","4","10","9","1") = "9"
    & skf18("2","7","8","4","10","10","1") = "9"
    & skf18("2","7","8","5","1","1","1") = "7"
    & skf18("2","7","8","5","1","2","1") = "7"
    & skf18("2","7","8","5","1","3","1") = "7"
    & skf18("2","7","8","5","1","4","1") = "7"
    & skf18("2","7","8","5","1","5","1") = "7"
    & skf18("2","7","8","5","1","6","1") = "7"
    & skf18("2","7","8","5","1","7","1") = "7"
    & skf18("2","7","8","5","1","8","1") = "7"
    & skf18("2","7","8","5","1","9","1") = "8"
    & skf18("2","7","8","5","1","10","1") = "9"
    & skf18("2","7","8","5","2","1","1") = "7"
    & skf18("2","7","8","5","2","2","1") = "7"
    & skf18("2","7","8","5","2","3","1") = "7"
    & skf18("2","7","8","5","2","4","1") = "7"
    & skf18("2","7","8","5","2","5","1") = "7"
    & skf18("2","7","8","5","2","6","1") = "7"
    & skf18("2","7","8","5","2","7","1") = "7"
    & skf18("2","7","8","5","2","8","1") = "7"
    & skf18("2","7","8","5","2","9","1") = "8"
    & skf18("2","7","8","5","2","10","1") = "9"
    & skf18("2","7","8","5","3","1","1") = "7"
    & skf18("2","7","8","5","3","2","1") = "7"
    & skf18("2","7","8","5","3","3","1") = "7"
    & skf18("2","7","8","5","3","4","1") = "7"
    & skf18("2","7","8","5","3","5","1") = "7"
    & skf18("2","7","8","5","3","6","1") = "7"
    & skf18("2","7","8","5","3","7","1") = "7"
    & skf18("2","7","8","5","3","8","1") = "7"
    & skf18("2","7","8","5","3","9","1") = "8"
    & skf18("2","7","8","5","3","10","1") = "9"
    & skf18("2","7","8","5","4","1","1") = "7"
    & skf18("2","7","8","5","4","2","1") = "7"
    & skf18("2","7","8","5","4","3","1") = "7"
    & skf18("2","7","8","5","4","4","1") = "7"
    & skf18("2","7","8","5","4","5","1") = "7"
    & skf18("2","7","8","5","4","6","1") = "7"
    & skf18("2","7","8","5","4","7","1") = "7"
    & skf18("2","7","8","5","4","8","1") = "7"
    & skf18("2","7","8","5","4","9","1") = "8"
    & skf18("2","7","8","5","4","10","1") = "9"
    & skf18("2","7","8","5","5","1","1") = "7"
    & skf18("2","7","8","5","5","2","1") = "7"
    & skf18("2","7","8","5","5","3","1") = "7"
    & skf18("2","7","8","5","5","4","1") = "7"
    & skf18("2","7","8","5","5","5","1") = "7"
    & skf18("2","7","8","5","5","6","1") = "7"
    & skf18("2","7","8","5","5","7","1") = "7"
    & skf18("2","7","8","5","5","8","1") = "7"
    & skf18("2","7","8","5","5","9","1") = "8"
    & skf18("2","7","8","5","5","10","1") = "9"
    & skf18("2","7","8","5","6","1","1") = "7"
    & skf18("2","7","8","5","6","2","1") = "7"
    & skf18("2","7","8","5","6","3","1") = "7"
    & skf18("2","7","8","5","6","4","1") = "7"
    & skf18("2","7","8","5","6","5","1") = "7"
    & skf18("2","7","8","5","6","6","1") = "7"
    & skf18("2","7","8","5","6","7","1") = "7"
    & skf18("2","7","8","5","6","8","1") = "7"
    & skf18("2","7","8","5","6","9","1") = "8"
    & skf18("2","7","8","5","6","10","1") = "9"
    & skf18("2","7","8","5","7","1","1") = "7"
    & skf18("2","7","8","5","7","2","1") = "7"
    & skf18("2","7","8","5","7","3","1") = "7"
    & skf18("2","7","8","5","7","4","1") = "7"
    & skf18("2","7","8","5","7","5","1") = "7"
    & skf18("2","7","8","5","7","6","1") = "7"
    & skf18("2","7","8","5","7","7","1") = "7"
    & skf18("2","7","8","5","7","8","1") = "7"
    & skf18("2","7","8","5","7","9","1") = "8"
    & skf18("2","7","8","5","7","10","1") = "9"
    & skf18("2","7","8","5","8","1","1") = "7"
    & skf18("2","7","8","5","8","2","1") = "7"
    & skf18("2","7","8","5","8","3","1") = "7"
    & skf18("2","7","8","5","8","4","1") = "7"
    & skf18("2","7","8","5","8","5","1") = "7"
    & skf18("2","7","8","5","8","6","1") = "7"
    & skf18("2","7","8","5","8","7","1") = "7"
    & skf18("2","7","8","5","8","8","1") = "7"
    & skf18("2","7","8","5","8","9","1") = "8"
    & skf18("2","7","8","5","8","10","1") = "9"
    & skf18("2","7","8","5","9","1","1") = "8"
    & skf18("2","7","8","5","9","2","1") = "8"
    & skf18("2","7","8","5","9","3","1") = "8"
    & skf18("2","7","8","5","9","4","1") = "8"
    & skf18("2","7","8","5","9","5","1") = "8"
    & skf18("2","7","8","5","9","6","1") = "8"
    & skf18("2","7","8","5","9","7","1") = "8"
    & skf18("2","7","8","5","9","8","1") = "8"
    & skf18("2","7","8","5","9","9","1") = "8"
    & skf18("2","7","8","5","9","10","1") = "9"
    & skf18("2","7","8","5","10","1","1") = "9"
    & skf18("2","7","8","5","10","2","1") = "9"
    & skf18("2","7","8","5","10","3","1") = "9"
    & skf18("2","7","8","5","10","4","1") = "9"
    & skf18("2","7","8","5","10","5","1") = "9"
    & skf18("2","7","8","5","10","6","1") = "9"
    & skf18("2","7","8","5","10","7","1") = "9"
    & skf18("2","7","8","5","10","8","1") = "9"
    & skf18("2","7","8","5","10","9","1") = "9"
    & skf18("2","7","8","5","10","10","1") = "9"
    & skf18("2","7","8","6","1","1","1") = "7"
    & skf18("2","7","8","6","1","2","1") = "7"
    & skf18("2","7","8","6","1","3","1") = "7"
    & skf18("2","7","8","6","1","4","1") = "7"
    & skf18("2","7","8","6","1","5","1") = "7"
    & skf18("2","7","8","6","1","6","1") = "7"
    & skf18("2","7","8","6","1","7","1") = "7"
    & skf18("2","7","8","6","1","8","1") = "7"
    & skf18("2","7","8","6","1","9","1") = "8"
    & skf18("2","7","8","6","1","10","1") = "9"
    & skf18("2","7","8","6","2","1","1") = "7"
    & skf18("2","7","8","6","2","2","1") = "7"
    & skf18("2","7","8","6","2","3","1") = "7"
    & skf18("2","7","8","6","2","4","1") = "7"
    & skf18("2","7","8","6","2","5","1") = "7"
    & skf18("2","7","8","6","2","6","1") = "7"
    & skf18("2","7","8","6","2","7","1") = "7"
    & skf18("2","7","8","6","2","8","1") = "7"
    & skf18("2","7","8","6","2","9","1") = "8"
    & skf18("2","7","8","6","2","10","1") = "9"
    & skf18("2","7","8","6","3","1","1") = "7"
    & skf18("2","7","8","6","3","2","1") = "7"
    & skf18("2","7","8","6","3","3","1") = "7"
    & skf18("2","7","8","6","3","4","1") = "7"
    & skf18("2","7","8","6","3","5","1") = "7"
    & skf18("2","7","8","6","3","6","1") = "7"
    & skf18("2","7","8","6","3","7","1") = "7"
    & skf18("2","7","8","6","3","8","1") = "7"
    & skf18("2","7","8","6","3","9","1") = "8"
    & skf18("2","7","8","6","3","10","1") = "9"
    & skf18("2","7","8","6","4","1","1") = "7"
    & skf18("2","7","8","6","4","2","1") = "7"
    & skf18("2","7","8","6","4","3","1") = "7"
    & skf18("2","7","8","6","4","4","1") = "7"
    & skf18("2","7","8","6","4","5","1") = "7"
    & skf18("2","7","8","6","4","6","1") = "7"
    & skf18("2","7","8","6","4","7","1") = "7"
    & skf18("2","7","8","6","4","8","1") = "7"
    & skf18("2","7","8","6","4","9","1") = "8"
    & skf18("2","7","8","6","4","10","1") = "9"
    & skf18("2","7","8","6","5","1","1") = "7"
    & skf18("2","7","8","6","5","2","1") = "7"
    & skf18("2","7","8","6","5","3","1") = "7"
    & skf18("2","7","8","6","5","4","1") = "7"
    & skf18("2","7","8","6","5","5","1") = "7"
    & skf18("2","7","8","6","5","6","1") = "7"
    & skf18("2","7","8","6","5","7","1") = "7"
    & skf18("2","7","8","6","5","8","1") = "7"
    & skf18("2","7","8","6","5","9","1") = "8"
    & skf18("2","7","8","6","5","10","1") = "9"
    & skf18("2","7","8","6","6","1","1") = "7"
    & skf18("2","7","8","6","6","2","1") = "7"
    & skf18("2","7","8","6","6","3","1") = "7"
    & skf18("2","7","8","6","6","4","1") = "7"
    & skf18("2","7","8","6","6","5","1") = "7"
    & skf18("2","7","8","6","6","6","1") = "7"
    & skf18("2","7","8","6","6","7","1") = "7"
    & skf18("2","7","8","6","6","8","1") = "7"
    & skf18("2","7","8","6","6","9","1") = "8"
    & skf18("2","7","8","6","6","10","1") = "9"
    & skf18("2","7","8","6","7","1","1") = "7"
    & skf18("2","7","8","6","7","2","1") = "7"
    & skf18("2","7","8","6","7","3","1") = "7"
    & skf18("2","7","8","6","7","4","1") = "7"
    & skf18("2","7","8","6","7","5","1") = "7"
    & skf18("2","7","8","6","7","6","1") = "7"
    & skf18("2","7","8","6","7","7","1") = "7"
    & skf18("2","7","8","6","7","8","1") = "7"
    & skf18("2","7","8","6","7","9","1") = "8"
    & skf18("2","7","8","6","7","10","1") = "9"
    & skf18("2","7","8","6","8","1","1") = "7"
    & skf18("2","7","8","6","8","2","1") = "7"
    & skf18("2","7","8","6","8","3","1") = "7"
    & skf18("2","7","8","6","8","4","1") = "7"
    & skf18("2","7","8","6","8","5","1") = "7"
    & skf18("2","7","8","6","8","6","1") = "7"
    & skf18("2","7","8","6","8","7","1") = "7"
    & skf18("2","7","8","6","8","8","1") = "7"
    & skf18("2","7","8","6","8","9","1") = "8"
    & skf18("2","7","8","6","8","10","1") = "9"
    & skf18("2","7","8","6","9","1","1") = "8"
    & skf18("2","7","8","6","9","2","1") = "8"
    & skf18("2","7","8","6","9","3","1") = "8"
    & skf18("2","7","8","6","9","4","1") = "8"
    & skf18("2","7","8","6","9","5","1") = "8"
    & skf18("2","7","8","6","9","6","1") = "8"
    & skf18("2","7","8","6","9","7","1") = "8"
    & skf18("2","7","8","6","9","8","1") = "8"
    & skf18("2","7","8","6","9","9","1") = "8"
    & skf18("2","7","8","6","9","10","1") = "9"
    & skf18("2","7","8","6","10","1","1") = "9"
    & skf18("2","7","8","6","10","2","1") = "9"
    & skf18("2","7","8","6","10","3","1") = "9"
    & skf18("2","7","8","6","10","4","1") = "9"
    & skf18("2","7","8","6","10","5","1") = "9"
    & skf18("2","7","8","6","10","6","1") = "9"
    & skf18("2","7","8","6","10","7","1") = "9"
    & skf18("2","7","8","6","10","8","1") = "9"
    & skf18("2","7","8","6","10","9","1") = "9"
    & skf18("2","7","8","6","10","10","1") = "9"
    & skf18("2","7","8","7","1","1","1") = "7"
    & skf18("2","7","8","7","1","2","1") = "7"
    & skf18("2","7","8","7","1","3","1") = "7"
    & skf18("2","7","8","7","1","4","1") = "7"
    & skf18("2","7","8","7","1","5","1") = "7"
    & skf18("2","7","8","7","1","6","1") = "7"
    & skf18("2","7","8","7","1","7","1") = "7"
    & skf18("2","7","8","7","1","8","1") = "7"
    & skf18("2","7","8","7","1","9","1") = "8"
    & skf18("2","7","8","7","1","10","1") = "9"
    & skf18("2","7","8","7","2","1","1") = "7"
    & skf18("2","7","8","7","2","2","1") = "7"
    & skf18("2","7","8","7","2","3","1") = "7"
    & skf18("2","7","8","7","2","4","1") = "7"
    & skf18("2","7","8","7","2","5","1") = "7"
    & skf18("2","7","8","7","2","6","1") = "7"
    & skf18("2","7","8","7","2","7","1") = "7"
    & skf18("2","7","8","7","2","8","1") = "7"
    & skf18("2","7","8","7","2","9","1") = "8"
    & skf18("2","7","8","7","2","10","1") = "9"
    & skf18("2","7","8","7","3","1","1") = "7"
    & skf18("2","7","8","7","3","2","1") = "7"
    & skf18("2","7","8","7","3","3","1") = "7"
    & skf18("2","7","8","7","3","4","1") = "7"
    & skf18("2","7","8","7","3","5","1") = "7"
    & skf18("2","7","8","7","3","6","1") = "7"
    & skf18("2","7","8","7","3","7","1") = "7"
    & skf18("2","7","8","7","3","8","1") = "7"
    & skf18("2","7","8","7","3","9","1") = "8"
    & skf18("2","7","8","7","3","10","1") = "9"
    & skf18("2","7","8","7","4","1","1") = "7"
    & skf18("2","7","8","7","4","2","1") = "7"
    & skf18("2","7","8","7","4","3","1") = "7"
    & skf18("2","7","8","7","4","4","1") = "7"
    & skf18("2","7","8","7","4","5","1") = "7"
    & skf18("2","7","8","7","4","6","1") = "7"
    & skf18("2","7","8","7","4","7","1") = "7"
    & skf18("2","7","8","7","4","8","1") = "7"
    & skf18("2","7","8","7","4","9","1") = "8"
    & skf18("2","7","8","7","4","10","1") = "9"
    & skf18("2","7","8","7","5","1","1") = "7"
    & skf18("2","7","8","7","5","2","1") = "7"
    & skf18("2","7","8","7","5","3","1") = "7"
    & skf18("2","7","8","7","5","4","1") = "7"
    & skf18("2","7","8","7","5","5","1") = "7"
    & skf18("2","7","8","7","5","6","1") = "7"
    & skf18("2","7","8","7","5","7","1") = "7"
    & skf18("2","7","8","7","5","8","1") = "7"
    & skf18("2","7","8","7","5","9","1") = "8"
    & skf18("2","7","8","7","5","10","1") = "9"
    & skf18("2","7","8","7","6","1","1") = "7"
    & skf18("2","7","8","7","6","2","1") = "7"
    & skf18("2","7","8","7","6","3","1") = "7"
    & skf18("2","7","8","7","6","4","1") = "7"
    & skf18("2","7","8","7","6","5","1") = "7"
    & skf18("2","7","8","7","6","6","1") = "7"
    & skf18("2","7","8","7","6","7","1") = "7"
    & skf18("2","7","8","7","6","8","1") = "7"
    & skf18("2","7","8","7","6","9","1") = "8"
    & skf18("2","7","8","7","6","10","1") = "9"
    & skf18("2","7","8","7","7","1","1") = "7"
    & skf18("2","7","8","7","7","2","1") = "7"
    & skf18("2","7","8","7","7","3","1") = "7"
    & skf18("2","7","8","7","7","4","1") = "7"
    & skf18("2","7","8","7","7","5","1") = "7"
    & skf18("2","7","8","7","7","6","1") = "7"
    & skf18("2","7","8","7","7","7","1") = "7"
    & skf18("2","7","8","7","7","8","1") = "7"
    & skf18("2","7","8","7","7","9","1") = "8"
    & skf18("2","7","8","7","7","10","1") = "9"
    & skf18("2","7","8","7","8","1","1") = "7"
    & skf18("2","7","8","7","8","2","1") = "7"
    & skf18("2","7","8","7","8","3","1") = "7"
    & skf18("2","7","8","7","8","4","1") = "7"
    & skf18("2","7","8","7","8","5","1") = "7"
    & skf18("2","7","8","7","8","6","1") = "7"
    & skf18("2","7","8","7","8","7","1") = "7"
    & skf18("2","7","8","7","8","8","1") = "7"
    & skf18("2","7","8","7","8","9","1") = "8"
    & skf18("2","7","8","7","8","10","1") = "9"
    & skf18("2","7","8","7","9","1","1") = "8"
    & skf18("2","7","8","7","9","2","1") = "8"
    & skf18("2","7","8","7","9","3","1") = "8"
    & skf18("2","7","8","7","9","4","1") = "8"
    & skf18("2","7","8","7","9","5","1") = "8"
    & skf18("2","7","8","7","9","6","1") = "8"
    & skf18("2","7","8","7","9","7","1") = "8"
    & skf18("2","7","8","7","9","8","1") = "8"
    & skf18("2","7","8","7","9","9","1") = "8"
    & skf18("2","7","8","7","9","10","1") = "9"
    & skf18("2","7","8","7","10","1","1") = "9"
    & skf18("2","7","8","7","10","2","1") = "9"
    & skf18("2","7","8","7","10","3","1") = "9"
    & skf18("2","7","8","7","10","4","1") = "9"
    & skf18("2","7","8","7","10","5","1") = "9"
    & skf18("2","7","8","7","10","6","1") = "9"
    & skf18("2","7","8","7","10","7","1") = "9"
    & skf18("2","7","8","7","10","8","1") = "9"
    & skf18("2","7","8","7","10","9","1") = "9"
    & skf18("2","7","8","7","10","10","1") = "9"
    & skf18("2","7","8","8","1","1","1") = "7"
    & skf18("2","7","8","8","1","2","1") = "7"
    & skf18("2","7","8","8","1","3","1") = "7"
    & skf18("2","7","8","8","1","4","1") = "7"
    & skf18("2","7","8","8","1","5","1") = "7"
    & skf18("2","7","8","8","1","6","1") = "7"
    & skf18("2","7","8","8","1","7","1") = "7"
    & skf18("2","7","8","8","1","8","1") = "7"
    & skf18("2","7","8","8","1","9","1") = "8"
    & skf18("2","7","8","8","1","10","1") = "9"
    & skf18("2","7","8","8","2","1","1") = "7"
    & skf18("2","7","8","8","2","2","1") = "7"
    & skf18("2","7","8","8","2","3","1") = "7"
    & skf18("2","7","8","8","2","4","1") = "7"
    & skf18("2","7","8","8","2","5","1") = "7"
    & skf18("2","7","8","8","2","6","1") = "7"
    & skf18("2","7","8","8","2","7","1") = "7"
    & skf18("2","7","8","8","2","8","1") = "7"
    & skf18("2","7","8","8","2","9","1") = "8"
    & skf18("2","7","8","8","2","10","1") = "9"
    & skf18("2","7","8","8","3","1","1") = "7"
    & skf18("2","7","8","8","3","2","1") = "7"
    & skf18("2","7","8","8","3","3","1") = "7"
    & skf18("2","7","8","8","3","4","1") = "7"
    & skf18("2","7","8","8","3","5","1") = "7"
    & skf18("2","7","8","8","3","6","1") = "7"
    & skf18("2","7","8","8","3","7","1") = "7"
    & skf18("2","7","8","8","3","8","1") = "7"
    & skf18("2","7","8","8","3","9","1") = "8"
    & skf18("2","7","8","8","3","10","1") = "9"
    & skf18("2","7","8","8","4","1","1") = "7"
    & skf18("2","7","8","8","4","2","1") = "7"
    & skf18("2","7","8","8","4","3","1") = "7"
    & skf18("2","7","8","8","4","4","1") = "7"
    & skf18("2","7","8","8","4","5","1") = "7"
    & skf18("2","7","8","8","4","6","1") = "7"
    & skf18("2","7","8","8","4","7","1") = "7"
    & skf18("2","7","8","8","4","8","1") = "7"
    & skf18("2","7","8","8","4","9","1") = "8"
    & skf18("2","7","8","8","4","10","1") = "9"
    & skf18("2","7","8","8","5","1","1") = "7"
    & skf18("2","7","8","8","5","2","1") = "7"
    & skf18("2","7","8","8","5","3","1") = "7"
    & skf18("2","7","8","8","5","4","1") = "7"
    & skf18("2","7","8","8","5","5","1") = "7"
    & skf18("2","7","8","8","5","6","1") = "7"
    & skf18("2","7","8","8","5","7","1") = "7"
    & skf18("2","7","8","8","5","8","1") = "7"
    & skf18("2","7","8","8","5","9","1") = "8"
    & skf18("2","7","8","8","5","10","1") = "9"
    & skf18("2","7","8","8","6","1","1") = "7"
    & skf18("2","7","8","8","6","2","1") = "7"
    & skf18("2","7","8","8","6","3","1") = "7"
    & skf18("2","7","8","8","6","4","1") = "7"
    & skf18("2","7","8","8","6","5","1") = "7"
    & skf18("2","7","8","8","6","6","1") = "7"
    & skf18("2","7","8","8","6","7","1") = "7"
    & skf18("2","7","8","8","6","8","1") = "7"
    & skf18("2","7","8","8","6","9","1") = "8"
    & skf18("2","7","8","8","6","10","1") = "9"
    & skf18("2","7","8","8","7","1","1") = "7"
    & skf18("2","7","8","8","7","2","1") = "7"
    & skf18("2","7","8","8","7","3","1") = "7"
    & skf18("2","7","8","8","7","4","1") = "7"
    & skf18("2","7","8","8","7","5","1") = "7"
    & skf18("2","7","8","8","7","6","1") = "7"
    & skf18("2","7","8","8","7","7","1") = "7"
    & skf18("2","7","8","8","7","8","1") = "7"
    & skf18("2","7","8","8","7","9","1") = "8"
    & skf18("2","7","8","8","7","10","1") = "9"
    & skf18("2","7","8","8","8","1","1") = "7"
    & skf18("2","7","8","8","8","2","1") = "7"
    & skf18("2","7","8","8","8","3","1") = "7"
    & skf18("2","7","8","8","8","4","1") = "7"
    & skf18("2","7","8","8","8","5","1") = "7"
    & skf18("2","7","8","8","8","6","1") = "7"
    & skf18("2","7","8","8","8","7","1") = "7"
    & skf18("2","7","8","8","8","8","1") = "7"
    & skf18("2","7","8","8","8","9","1") = "8"
    & skf18("2","7","8","8","8","10","1") = "9"
    & skf18("2","7","8","8","9","1","1") = "8"
    & skf18("2","7","8","8","9","2","1") = "8"
    & skf18("2","7","8","8","9","3","1") = "8"
    & skf18("2","7","8","8","9","4","1") = "8"
    & skf18("2","7","8","8","9","5","1") = "8"
    & skf18("2","7","8","8","9","6","1") = "8"
    & skf18("2","7","8","8","9","7","1") = "8"
    & skf18("2","7","8","8","9","8","1") = "8"
    & skf18("2","7","8","8","9","9","1") = "8"
    & skf18("2","7","8","8","9","10","1") = "9"
    & skf18("2","7","8","8","10","1","1") = "9"
    & skf18("2","7","8","8","10","2","1") = "9"
    & skf18("2","7","8","8","10","3","1") = "9"
    & skf18("2","7","8","8","10","4","1") = "9"
    & skf18("2","7","8","8","10","5","1") = "9"
    & skf18("2","7","8","8","10","6","1") = "9"
    & skf18("2","7","8","8","10","7","1") = "9"
    & skf18("2","7","8","8","10","8","1") = "9"
    & skf18("2","7","8","8","10","9","1") = "9"
    & skf18("2","7","8","8","10","10","1") = "9"
    & skf18("2","7","8","9","1","1","1") = "8"
    & skf18("2","7","8","9","1","2","1") = "8"
    & skf18("2","7","8","9","1","3","1") = "8"
    & skf18("2","7","8","9","1","4","1") = "8"
    & skf18("2","7","8","9","1","5","1") = "8"
    & skf18("2","7","8","9","1","6","1") = "8"
    & skf18("2","7","8","9","1","7","1") = "8"
    & skf18("2","7","8","9","1","8","1") = "8"
    & skf18("2","7","8","9","1","9","1") = "8"
    & skf18("2","7","8","9","1","10","1") = "9"
    & skf18("2","7","8","9","2","1","1") = "8"
    & skf18("2","7","8","9","2","2","1") = "8"
    & skf18("2","7","8","9","2","3","1") = "8"
    & skf18("2","7","8","9","2","4","1") = "8"
    & skf18("2","7","8","9","2","5","1") = "8"
    & skf18("2","7","8","9","2","6","1") = "8"
    & skf18("2","7","8","9","2","7","1") = "8"
    & skf18("2","7","8","9","2","8","1") = "8"
    & skf18("2","7","8","9","2","9","1") = "8"
    & skf18("2","7","8","9","2","10","1") = "9"
    & skf18("2","7","8","9","3","1","1") = "8"
    & skf18("2","7","8","9","3","2","1") = "8"
    & skf18("2","7","8","9","3","3","1") = "8"
    & skf18("2","7","8","9","3","4","1") = "8"
    & skf18("2","7","8","9","3","5","1") = "8"
    & skf18("2","7","8","9","3","6","1") = "8"
    & skf18("2","7","8","9","3","7","1") = "8"
    & skf18("2","7","8","9","3","8","1") = "8"
    & skf18("2","7","8","9","3","9","1") = "8"
    & skf18("2","7","8","9","3","10","1") = "9"
    & skf18("2","7","8","9","4","1","1") = "8"
    & skf18("2","7","8","9","4","2","1") = "8"
    & skf18("2","7","8","9","4","3","1") = "8"
    & skf18("2","7","8","9","4","4","1") = "8"
    & skf18("2","7","8","9","4","5","1") = "8"
    & skf18("2","7","8","9","4","6","1") = "8"
    & skf18("2","7","8","9","4","7","1") = "8"
    & skf18("2","7","8","9","4","8","1") = "8"
    & skf18("2","7","8","9","4","9","1") = "8"
    & skf18("2","7","8","9","4","10","1") = "9"
    & skf18("2","7","8","9","5","1","1") = "8"
    & skf18("2","7","8","9","5","2","1") = "8"
    & skf18("2","7","8","9","5","3","1") = "8"
    & skf18("2","7","8","9","5","4","1") = "8"
    & skf18("2","7","8","9","5","5","1") = "8"
    & skf18("2","7","8","9","5","6","1") = "8"
    & skf18("2","7","8","9","5","7","1") = "8"
    & skf18("2","7","8","9","5","8","1") = "8"
    & skf18("2","7","8","9","5","9","1") = "8"
    & skf18("2","7","8","9","5","10","1") = "9"
    & skf18("2","7","8","9","6","1","1") = "8"
    & skf18("2","7","8","9","6","2","1") = "8"
    & skf18("2","7","8","9","6","3","1") = "8"
    & skf18("2","7","8","9","6","4","1") = "8"
    & skf18("2","7","8","9","6","5","1") = "8"
    & skf18("2","7","8","9","6","6","1") = "8"
    & skf18("2","7","8","9","6","7","1") = "8"
    & skf18("2","7","8","9","6","8","1") = "8"
    & skf18("2","7","8","9","6","9","1") = "8"
    & skf18("2","7","8","9","6","10","1") = "9"
    & skf18("2","7","8","9","7","1","1") = "8"
    & skf18("2","7","8","9","7","2","1") = "8"
    & skf18("2","7","8","9","7","3","1") = "8"
    & skf18("2","7","8","9","7","4","1") = "8"
    & skf18("2","7","8","9","7","5","1") = "8"
    & skf18("2","7","8","9","7","6","1") = "8"
    & skf18("2","7","8","9","7","7","1") = "8"
    & skf18("2","7","8","9","7","8","1") = "8"
    & skf18("2","7","8","9","7","9","1") = "8"
    & skf18("2","7","8","9","7","10","1") = "9"
    & skf18("2","7","8","9","8","1","1") = "8"
    & skf18("2","7","8","9","8","2","1") = "8"
    & skf18("2","7","8","9","8","3","1") = "8"
    & skf18("2","7","8","9","8","4","1") = "8"
    & skf18("2","7","8","9","8","5","1") = "8"
    & skf18("2","7","8","9","8","6","1") = "8"
    & skf18("2","7","8","9","8","7","1") = "8"
    & skf18("2","7","8","9","8","8","1") = "8"
    & skf18("2","7","8","9","8","9","1") = "8"
    & skf18("2","7","8","9","8","10","1") = "9"
    & skf18("2","7","8","9","9","1","1") = "8"
    & skf18("2","7","8","9","9","2","1") = "8"
    & skf18("2","7","8","9","9","3","1") = "8"
    & skf18("2","7","8","9","9","4","1") = "8"
    & skf18("2","7","8","9","9","5","1") = "8"
    & skf18("2","7","8","9","9","6","1") = "8"
    & skf18("2","7","8","9","9","7","1") = "8"
    & skf18("2","7","8","9","9","8","1") = "8"
    & skf18("2","7","8","9","9","9","1") = "8"
    & skf18("2","7","8","9","9","10","1") = "9"
    & skf18("2","7","8","9","10","1","1") = "9"
    & skf18("2","7","8","9","10","2","1") = "9"
    & skf18("2","7","8","9","10","3","1") = "9"
    & skf18("2","7","8","9","10","4","1") = "9"
    & skf18("2","7","8","9","10","5","1") = "9"
    & skf18("2","7","8","9","10","6","1") = "9"
    & skf18("2","7","8","9","10","7","1") = "9"
    & skf18("2","7","8","9","10","8","1") = "9"
    & skf18("2","7","8","9","10","9","1") = "9"
    & skf18("2","7","8","9","10","10","1") = "9"
    & skf18("2","7","8","10","1","1","1") = "9"
    & skf18("2","7","8","10","1","2","1") = "9"
    & skf18("2","7","8","10","1","3","1") = "9"
    & skf18("2","7","8","10","1","4","1") = "9"
    & skf18("2","7","8","10","1","5","1") = "9"
    & skf18("2","7","8","10","1","6","1") = "9"
    & skf18("2","7","8","10","1","7","1") = "9"
    & skf18("2","7","8","10","1","8","1") = "9"
    & skf18("2","7","8","10","1","9","1") = "9"
    & skf18("2","7","8","10","1","10","1") = "9"
    & skf18("2","7","8","10","2","1","1") = "9"
    & skf18("2","7","8","10","2","2","1") = "9"
    & skf18("2","7","8","10","2","3","1") = "9"
    & skf18("2","7","8","10","2","4","1") = "9"
    & skf18("2","7","8","10","2","5","1") = "9"
    & skf18("2","7","8","10","2","6","1") = "9"
    & skf18("2","7","8","10","2","7","1") = "9"
    & skf18("2","7","8","10","2","8","1") = "9"
    & skf18("2","7","8","10","2","9","1") = "9"
    & skf18("2","7","8","10","2","10","1") = "9"
    & skf18("2","7","8","10","3","1","1") = "9"
    & skf18("2","7","8","10","3","2","1") = "9"
    & skf18("2","7","8","10","3","3","1") = "9"
    & skf18("2","7","8","10","3","4","1") = "9"
    & skf18("2","7","8","10","3","5","1") = "9"
    & skf18("2","7","8","10","3","6","1") = "9"
    & skf18("2","7","8","10","3","7","1") = "9"
    & skf18("2","7","8","10","3","8","1") = "9"
    & skf18("2","7","8","10","3","9","1") = "9"
    & skf18("2","7","8","10","3","10","1") = "9"
    & skf18("2","7","8","10","4","1","1") = "9"
    & skf18("2","7","8","10","4","2","1") = "9"
    & skf18("2","7","8","10","4","3","1") = "9"
    & skf18("2","7","8","10","4","4","1") = "9"
    & skf18("2","7","8","10","4","5","1") = "9"
    & skf18("2","7","8","10","4","6","1") = "9"
    & skf18("2","7","8","10","4","7","1") = "9"
    & skf18("2","7","8","10","4","8","1") = "9"
    & skf18("2","7","8","10","4","9","1") = "9"
    & skf18("2","7","8","10","4","10","1") = "9"
    & skf18("2","7","8","10","5","1","1") = "9"
    & skf18("2","7","8","10","5","2","1") = "9"
    & skf18("2","7","8","10","5","3","1") = "9"
    & skf18("2","7","8","10","5","4","1") = "9"
    & skf18("2","7","8","10","5","5","1") = "9"
    & skf18("2","7","8","10","5","6","1") = "9"
    & skf18("2","7","8","10","5","7","1") = "9"
    & skf18("2","7","8","10","5","8","1") = "9"
    & skf18("2","7","8","10","5","9","1") = "9"
    & skf18("2","7","8","10","5","10","1") = "9"
    & skf18("2","7","8","10","6","1","1") = "9"
    & skf18("2","7","8","10","6","2","1") = "9"
    & skf18("2","7","8","10","6","3","1") = "9"
    & skf18("2","7","8","10","6","4","1") = "9"
    & skf18("2","7","8","10","6","5","1") = "9"
    & skf18("2","7","8","10","6","6","1") = "9"
    & skf18("2","7","8","10","6","7","1") = "9"
    & skf18("2","7","8","10","6","8","1") = "9"
    & skf18("2","7","8","10","6","9","1") = "9"
    & skf18("2","7","8","10","6","10","1") = "9"
    & skf18("2","7","8","10","7","1","1") = "9"
    & skf18("2","7","8","10","7","2","1") = "9"
    & skf18("2","7","8","10","7","3","1") = "9"
    & skf18("2","7","8","10","7","4","1") = "9"
    & skf18("2","7","8","10","7","5","1") = "9"
    & skf18("2","7","8","10","7","6","1") = "9"
    & skf18("2","7","8","10","7","7","1") = "9"
    & skf18("2","7","8","10","7","8","1") = "9"
    & skf18("2","7","8","10","7","9","1") = "9"
    & skf18("2","7","8","10","7","10","1") = "9"
    & skf18("2","7","8","10","8","1","1") = "9"
    & skf18("2","7","8","10","8","2","1") = "9"
    & skf18("2","7","8","10","8","3","1") = "9"
    & skf18("2","7","8","10","8","4","1") = "9"
    & skf18("2","7","8","10","8","5","1") = "9"
    & skf18("2","7","8","10","8","6","1") = "9"
    & skf18("2","7","8","10","8","7","1") = "9"
    & skf18("2","7","8","10","8","8","1") = "9"
    & skf18("2","7","8","10","8","9","1") = "9"
    & skf18("2","7","8","10","8","10","1") = "9"
    & skf18("2","7","8","10","9","1","1") = "9"
    & skf18("2","7","8","10","9","2","1") = "9"
    & skf18("2","7","8","10","9","3","1") = "9"
    & skf18("2","7","8","10","9","4","1") = "9"
    & skf18("2","7","8","10","9","5","1") = "9"
    & skf18("2","7","8","10","9","6","1") = "9"
    & skf18("2","7","8","10","9","7","1") = "9"
    & skf18("2","7","8","10","9","8","1") = "9"
    & skf18("2","7","8","10","9","9","1") = "9"
    & skf18("2","7","8","10","9","10","1") = "9"
    & skf18("2","7","8","10","10","1","1") = "9"
    & skf18("2","7","8","10","10","2","1") = "9"
    & skf18("2","7","8","10","10","3","1") = "9"
    & skf18("2","7","8","10","10","4","1") = "9"
    & skf18("2","7","8","10","10","5","1") = "9"
    & skf18("2","7","8","10","10","6","1") = "9"
    & skf18("2","7","8","10","10","7","1") = "9"
    & skf18("2","7","8","10","10","8","1") = "9"
    & skf18("2","7","8","10","10","9","1") = "9"
    & skf18("2","7","8","10","10","10","1") = "9"
    & skf18("2","7","9","1","1","1","1") = "8"
    & skf18("2","7","9","1","1","2","1") = "8"
    & skf18("2","7","9","1","1","3","1") = "8"
    & skf18("2","7","9","1","1","4","1") = "8"
    & skf18("2","7","9","1","1","5","1") = "8"
    & skf18("2","7","9","1","1","6","1") = "8"
    & skf18("2","7","9","1","1","7","1") = "8"
    & skf18("2","7","9","1","1","8","1") = "8"
    & skf18("2","7","9","1","1","9","1") = "8"
    & skf18("2","7","9","1","1","10","1") = "9"
    & skf18("2","7","9","1","2","1","1") = "8"
    & skf18("2","7","9","1","2","2","1") = "8"
    & skf18("2","7","9","1","2","3","1") = "8"
    & skf18("2","7","9","1","2","4","1") = "8"
    & skf18("2","7","9","1","2","5","1") = "8"
    & skf18("2","7","9","1","2","6","1") = "8"
    & skf18("2","7","9","1","2","7","1") = "8"
    & skf18("2","7","9","1","2","8","1") = "8"
    & skf18("2","7","9","1","2","9","1") = "8"
    & skf18("2","7","9","1","2","10","1") = "9"
    & skf18("2","7","9","1","3","1","1") = "8"
    & skf18("2","7","9","1","3","2","1") = "8"
    & skf18("2","7","9","1","3","3","1") = "8"
    & skf18("2","7","9","1","3","4","1") = "8"
    & skf18("2","7","9","1","3","5","1") = "8"
    & skf18("2","7","9","1","3","6","1") = "8"
    & skf18("2","7","9","1","3","7","1") = "8"
    & skf18("2","7","9","1","3","8","1") = "8"
    & skf18("2","7","9","1","3","9","1") = "8"
    & skf18("2","7","9","1","3","10","1") = "9"
    & skf18("2","7","9","1","4","1","1") = "8"
    & skf18("2","7","9","1","4","2","1") = "8"
    & skf18("2","7","9","1","4","3","1") = "8"
    & skf18("2","7","9","1","4","4","1") = "8"
    & skf18("2","7","9","1","4","5","1") = "8"
    & skf18("2","7","9","1","4","6","1") = "8"
    & skf18("2","7","9","1","4","7","1") = "8"
    & skf18("2","7","9","1","4","8","1") = "8"
    & skf18("2","7","9","1","4","9","1") = "8"
    & skf18("2","7","9","1","4","10","1") = "9"
    & skf18("2","7","9","1","5","1","1") = "8"
    & skf18("2","7","9","1","5","2","1") = "8"
    & skf18("2","7","9","1","5","3","1") = "8"
    & skf18("2","7","9","1","5","4","1") = "8"
    & skf18("2","7","9","1","5","5","1") = "8"
    & skf18("2","7","9","1","5","6","1") = "8"
    & skf18("2","7","9","1","5","7","1") = "8"
    & skf18("2","7","9","1","5","8","1") = "8"
    & skf18("2","7","9","1","5","9","1") = "8"
    & skf18("2","7","9","1","5","10","1") = "9"
    & skf18("2","7","9","1","6","1","1") = "8"
    & skf18("2","7","9","1","6","2","1") = "8"
    & skf18("2","7","9","1","6","3","1") = "8"
    & skf18("2","7","9","1","6","4","1") = "8"
    & skf18("2","7","9","1","6","5","1") = "8"
    & skf18("2","7","9","1","6","6","1") = "8"
    & skf18("2","7","9","1","6","7","1") = "8"
    & skf18("2","7","9","1","6","8","1") = "8"
    & skf18("2","7","9","1","6","9","1") = "8"
    & skf18("2","7","9","1","6","10","1") = "9"
    & skf18("2","7","9","1","7","1","1") = "8"
    & skf18("2","7","9","1","7","2","1") = "8"
    & skf18("2","7","9","1","7","3","1") = "8"
    & skf18("2","7","9","1","7","4","1") = "8"
    & skf18("2","7","9","1","7","5","1") = "8"
    & skf18("2","7","9","1","7","6","1") = "8"
    & skf18("2","7","9","1","7","7","1") = "8"
    & skf18("2","7","9","1","7","8","1") = "8"
    & skf18("2","7","9","1","7","9","1") = "8"
    & skf18("2","7","9","1","7","10","1") = "9"
    & skf18("2","7","9","1","8","1","1") = "8"
    & skf18("2","7","9","1","8","2","1") = "8"
    & skf18("2","7","9","1","8","3","1") = "8"
    & skf18("2","7","9","1","8","4","1") = "8"
    & skf18("2","7","9","1","8","5","1") = "8"
    & skf18("2","7","9","1","8","6","1") = "8"
    & skf18("2","7","9","1","8","7","1") = "8"
    & skf18("2","7","9","1","8","8","1") = "8"
    & skf18("2","7","9","1","8","9","1") = "8"
    & skf18("2","7","9","1","8","10","1") = "9"
    & skf18("2","7","9","1","9","1","1") = "8"
    & skf18("2","7","9","1","9","2","1") = "8"
    & skf18("2","7","9","1","9","3","1") = "8"
    & skf18("2","7","9","1","9","4","1") = "8"
    & skf18("2","7","9","1","9","5","1") = "8"
    & skf18("2","7","9","1","9","6","1") = "8"
    & skf18("2","7","9","1","9","7","1") = "8"
    & skf18("2","7","9","1","9","8","1") = "8"
    & skf18("2","7","9","1","9","9","1") = "8"
    & skf18("2","7","9","1","9","10","1") = "9"
    & skf18("2","7","9","1","10","1","1") = "9"
    & skf18("2","7","9","1","10","2","1") = "9"
    & skf18("2","7","9","1","10","3","1") = "9"
    & skf18("2","7","9","1","10","4","1") = "9"
    & skf18("2","7","9","1","10","5","1") = "9"
    & skf18("2","7","9","1","10","6","1") = "9"
    & skf18("2","7","9","1","10","7","1") = "9"
    & skf18("2","7","9","1","10","8","1") = "9"
    & skf18("2","7","9","1","10","9","1") = "9"
    & skf18("2","7","9","1","10","10","1") = "9"
    & skf18("2","7","9","2","1","1","1") = "8"
    & skf18("2","7","9","2","1","2","1") = "8"
    & skf18("2","7","9","2","1","3","1") = "8"
    & skf18("2","7","9","2","1","4","1") = "8"
    & skf18("2","7","9","2","1","5","1") = "8"
    & skf18("2","7","9","2","1","6","1") = "8"
    & skf18("2","7","9","2","1","7","1") = "8"
    & skf18("2","7","9","2","1","8","1") = "8"
    & skf18("2","7","9","2","1","9","1") = "8"
    & skf18("2","7","9","2","1","10","1") = "9"
    & skf18("2","7","9","2","2","1","1") = "8"
    & skf18("2","7","9","2","2","2","1") = "8"
    & skf18("2","7","9","2","2","3","1") = "8"
    & skf18("2","7","9","2","2","4","1") = "8"
    & skf18("2","7","9","2","2","5","1") = "8"
    & skf18("2","7","9","2","2","6","1") = "8"
    & skf18("2","7","9","2","2","7","1") = "8"
    & skf18("2","7","9","2","2","8","1") = "8"
    & skf18("2","7","9","2","2","9","1") = "8"
    & skf18("2","7","9","2","2","10","1") = "9"
    & skf18("2","7","9","2","3","1","1") = "8"
    & skf18("2","7","9","2","3","2","1") = "8"
    & skf18("2","7","9","2","3","3","1") = "8"
    & skf18("2","7","9","2","3","4","1") = "8"
    & skf18("2","7","9","2","3","5","1") = "8"
    & skf18("2","7","9","2","3","6","1") = "8"
    & skf18("2","7","9","2","3","7","1") = "8"
    & skf18("2","7","9","2","3","8","1") = "8"
    & skf18("2","7","9","2","3","9","1") = "8"
    & skf18("2","7","9","2","3","10","1") = "9"
    & skf18("2","7","9","2","4","1","1") = "8"
    & skf18("2","7","9","2","4","2","1") = "8"
    & skf18("2","7","9","2","4","3","1") = "8"
    & skf18("2","7","9","2","4","4","1") = "8"
    & skf18("2","7","9","2","4","5","1") = "8"
    & skf18("2","7","9","2","4","6","1") = "8"
    & skf18("2","7","9","2","4","7","1") = "8"
    & skf18("2","7","9","2","4","8","1") = "8"
    & skf18("2","7","9","2","4","9","1") = "8"
    & skf18("2","7","9","2","4","10","1") = "9"
    & skf18("2","7","9","2","5","1","1") = "8"
    & skf18("2","7","9","2","5","2","1") = "8"
    & skf18("2","7","9","2","5","3","1") = "8"
    & skf18("2","7","9","2","5","4","1") = "8"
    & skf18("2","7","9","2","5","5","1") = "8"
    & skf18("2","7","9","2","5","6","1") = "8"
    & skf18("2","7","9","2","5","7","1") = "8"
    & skf18("2","7","9","2","5","8","1") = "8"
    & skf18("2","7","9","2","5","9","1") = "8"
    & skf18("2","7","9","2","5","10","1") = "9"
    & skf18("2","7","9","2","6","1","1") = "8"
    & skf18("2","7","9","2","6","2","1") = "8"
    & skf18("2","7","9","2","6","3","1") = "8"
    & skf18("2","7","9","2","6","4","1") = "8"
    & skf18("2","7","9","2","6","5","1") = "8"
    & skf18("2","7","9","2","6","6","1") = "8"
    & skf18("2","7","9","2","6","7","1") = "8"
    & skf18("2","7","9","2","6","8","1") = "8"
    & skf18("2","7","9","2","6","9","1") = "8"
    & skf18("2","7","9","2","6","10","1") = "9"
    & skf18("2","7","9","2","7","1","1") = "8"
    & skf18("2","7","9","2","7","2","1") = "8"
    & skf18("2","7","9","2","7","3","1") = "8"
    & skf18("2","7","9","2","7","4","1") = "8"
    & skf18("2","7","9","2","7","5","1") = "8"
    & skf18("2","7","9","2","7","6","1") = "8"
    & skf18("2","7","9","2","7","7","1") = "8"
    & skf18("2","7","9","2","7","8","1") = "8"
    & skf18("2","7","9","2","7","9","1") = "8"
    & skf18("2","7","9","2","7","10","1") = "9"
    & skf18("2","7","9","2","8","1","1") = "8"
    & skf18("2","7","9","2","8","2","1") = "8"
    & skf18("2","7","9","2","8","3","1") = "8"
    & skf18("2","7","9","2","8","4","1") = "8"
    & skf18("2","7","9","2","8","5","1") = "8"
    & skf18("2","7","9","2","8","6","1") = "8"
    & skf18("2","7","9","2","8","7","1") = "8"
    & skf18("2","7","9","2","8","8","1") = "8"
    & skf18("2","7","9","2","8","9","1") = "8"
    & skf18("2","7","9","2","8","10","1") = "9"
    & skf18("2","7","9","2","9","1","1") = "8"
    & skf18("2","7","9","2","9","2","1") = "8"
    & skf18("2","7","9","2","9","3","1") = "8"
    & skf18("2","7","9","2","9","4","1") = "8"
    & skf18("2","7","9","2","9","5","1") = "8"
    & skf18("2","7","9","2","9","6","1") = "8"
    & skf18("2","7","9","2","9","7","1") = "8"
    & skf18("2","7","9","2","9","8","1") = "8"
    & skf18("2","7","9","2","9","9","1") = "8"
    & skf18("2","7","9","2","9","10","1") = "9"
    & skf18("2","7","9","2","10","1","1") = "9"
    & skf18("2","7","9","2","10","2","1") = "9"
    & skf18("2","7","9","2","10","3","1") = "9"
    & skf18("2","7","9","2","10","4","1") = "9"
    & skf18("2","7","9","2","10","5","1") = "9"
    & skf18("2","7","9","2","10","6","1") = "9"
    & skf18("2","7","9","2","10","7","1") = "9"
    & skf18("2","7","9","2","10","8","1") = "9"
    & skf18("2","7","9","2","10","9","1") = "9"
    & skf18("2","7","9","2","10","10","1") = "9"
    & skf18("2","7","9","3","1","1","1") = "8"
    & skf18("2","7","9","3","1","2","1") = "8"
    & skf18("2","7","9","3","1","3","1") = "8"
    & skf18("2","7","9","3","1","4","1") = "8"
    & skf18("2","7","9","3","1","5","1") = "8"
    & skf18("2","7","9","3","1","6","1") = "8"
    & skf18("2","7","9","3","1","7","1") = "8"
    & skf18("2","7","9","3","1","8","1") = "8"
    & skf18("2","7","9","3","1","9","1") = "8"
    & skf18("2","7","9","3","1","10","1") = "9"
    & skf18("2","7","9","3","2","1","1") = "8"
    & skf18("2","7","9","3","2","2","1") = "8"
    & skf18("2","7","9","3","2","3","1") = "8"
    & skf18("2","7","9","3","2","4","1") = "8"
    & skf18("2","7","9","3","2","5","1") = "8"
    & skf18("2","7","9","3","2","6","1") = "8"
    & skf18("2","7","9","3","2","7","1") = "8"
    & skf18("2","7","9","3","2","8","1") = "8"
    & skf18("2","7","9","3","2","9","1") = "8"
    & skf18("2","7","9","3","2","10","1") = "9"
    & skf18("2","7","9","3","3","1","1") = "8"
    & skf18("2","7","9","3","3","2","1") = "8"
    & skf18("2","7","9","3","3","3","1") = "8"
    & skf18("2","7","9","3","3","4","1") = "8"
    & skf18("2","7","9","3","3","5","1") = "8"
    & skf18("2","7","9","3","3","6","1") = "8"
    & skf18("2","7","9","3","3","7","1") = "8"
    & skf18("2","7","9","3","3","8","1") = "8"
    & skf18("2","7","9","3","3","9","1") = "8"
    & skf18("2","7","9","3","3","10","1") = "9"
    & skf18("2","7","9","3","4","1","1") = "8"
    & skf18("2","7","9","3","4","2","1") = "8"
    & skf18("2","7","9","3","4","3","1") = "8"
    & skf18("2","7","9","3","4","4","1") = "8"
    & skf18("2","7","9","3","4","5","1") = "8"
    & skf18("2","7","9","3","4","6","1") = "8"
    & skf18("2","7","9","3","4","7","1") = "8"
    & skf18("2","7","9","3","4","8","1") = "8"
    & skf18("2","7","9","3","4","9","1") = "8"
    & skf18("2","7","9","3","4","10","1") = "9"
    & skf18("2","7","9","3","5","1","1") = "8"
    & skf18("2","7","9","3","5","2","1") = "8"
    & skf18("2","7","9","3","5","3","1") = "8"
    & skf18("2","7","9","3","5","4","1") = "8"
    & skf18("2","7","9","3","5","5","1") = "8"
    & skf18("2","7","9","3","5","6","1") = "8"
    & skf18("2","7","9","3","5","7","1") = "8"
    & skf18("2","7","9","3","5","8","1") = "8"
    & skf18("2","7","9","3","5","9","1") = "8"
    & skf18("2","7","9","3","5","10","1") = "9"
    & skf18("2","7","9","3","6","1","1") = "8"
    & skf18("2","7","9","3","6","2","1") = "8"
    & skf18("2","7","9","3","6","3","1") = "8"
    & skf18("2","7","9","3","6","4","1") = "8"
    & skf18("2","7","9","3","6","5","1") = "8"
    & skf18("2","7","9","3","6","6","1") = "8"
    & skf18("2","7","9","3","6","7","1") = "8"
    & skf18("2","7","9","3","6","8","1") = "8"
    & skf18("2","7","9","3","6","9","1") = "8"
    & skf18("2","7","9","3","6","10","1") = "9"
    & skf18("2","7","9","3","7","1","1") = "8"
    & skf18("2","7","9","3","7","2","1") = "8"
    & skf18("2","7","9","3","7","3","1") = "8"
    & skf18("2","7","9","3","7","4","1") = "8"
    & skf18("2","7","9","3","7","5","1") = "8"
    & skf18("2","7","9","3","7","6","1") = "8"
    & skf18("2","7","9","3","7","7","1") = "8"
    & skf18("2","7","9","3","7","8","1") = "8"
    & skf18("2","7","9","3","7","9","1") = "8"
    & skf18("2","7","9","3","7","10","1") = "9"
    & skf18("2","7","9","3","8","1","1") = "8"
    & skf18("2","7","9","3","8","2","1") = "8"
    & skf18("2","7","9","3","8","3","1") = "8"
    & skf18("2","7","9","3","8","4","1") = "8"
    & skf18("2","7","9","3","8","5","1") = "8"
    & skf18("2","7","9","3","8","6","1") = "8"
    & skf18("2","7","9","3","8","7","1") = "8"
    & skf18("2","7","9","3","8","8","1") = "8"
    & skf18("2","7","9","3","8","9","1") = "8"
    & skf18("2","7","9","3","8","10","1") = "9"
    & skf18("2","7","9","3","9","1","1") = "8"
    & skf18("2","7","9","3","9","2","1") = "8"
    & skf18("2","7","9","3","9","3","1") = "8"
    & skf18("2","7","9","3","9","4","1") = "8"
    & skf18("2","7","9","3","9","5","1") = "8"
    & skf18("2","7","9","3","9","6","1") = "8"
    & skf18("2","7","9","3","9","7","1") = "8"
    & skf18("2","7","9","3","9","8","1") = "8"
    & skf18("2","7","9","3","9","9","1") = "8"
    & skf18("2","7","9","3","9","10","1") = "9"
    & skf18("2","7","9","3","10","1","1") = "9"
    & skf18("2","7","9","3","10","2","1") = "9"
    & skf18("2","7","9","3","10","3","1") = "9"
    & skf18("2","7","9","3","10","4","1") = "9"
    & skf18("2","7","9","3","10","5","1") = "9"
    & skf18("2","7","9","3","10","6","1") = "9"
    & skf18("2","7","9","3","10","7","1") = "9"
    & skf18("2","7","9","3","10","8","1") = "9"
    & skf18("2","7","9","3","10","9","1") = "9"
    & skf18("2","7","9","3","10","10","1") = "9"
    & skf18("2","7","9","4","1","1","1") = "8"
    & skf18("2","7","9","4","1","2","1") = "8"
    & skf18("2","7","9","4","1","3","1") = "8"
    & skf18("2","7","9","4","1","4","1") = "8"
    & skf18("2","7","9","4","1","5","1") = "8"
    & skf18("2","7","9","4","1","6","1") = "8"
    & skf18("2","7","9","4","1","7","1") = "8"
    & skf18("2","7","9","4","1","8","1") = "8"
    & skf18("2","7","9","4","1","9","1") = "8"
    & skf18("2","7","9","4","1","10","1") = "9"
    & skf18("2","7","9","4","2","1","1") = "8"
    & skf18("2","7","9","4","2","2","1") = "8"
    & skf18("2","7","9","4","2","3","1") = "8"
    & skf18("2","7","9","4","2","4","1") = "8"
    & skf18("2","7","9","4","2","5","1") = "8"
    & skf18("2","7","9","4","2","6","1") = "8"
    & skf18("2","7","9","4","2","7","1") = "8"
    & skf18("2","7","9","4","2","8","1") = "8"
    & skf18("2","7","9","4","2","9","1") = "8"
    & skf18("2","7","9","4","2","10","1") = "9"
    & skf18("2","7","9","4","3","1","1") = "8"
    & skf18("2","7","9","4","3","2","1") = "8"
    & skf18("2","7","9","4","3","3","1") = "8"
    & skf18("2","7","9","4","3","4","1") = "8"
    & skf18("2","7","9","4","3","5","1") = "8"
    & skf18("2","7","9","4","3","6","1") = "8"
    & skf18("2","7","9","4","3","7","1") = "8"
    & skf18("2","7","9","4","3","8","1") = "8"
    & skf18("2","7","9","4","3","9","1") = "8"
    & skf18("2","7","9","4","3","10","1") = "9"
    & skf18("2","7","9","4","4","1","1") = "8"
    & skf18("2","7","9","4","4","2","1") = "8"
    & skf18("2","7","9","4","4","3","1") = "8"
    & skf18("2","7","9","4","4","4","1") = "8"
    & skf18("2","7","9","4","4","5","1") = "8"
    & skf18("2","7","9","4","4","6","1") = "8"
    & skf18("2","7","9","4","4","7","1") = "8"
    & skf18("2","7","9","4","4","8","1") = "8"
    & skf18("2","7","9","4","4","9","1") = "8"
    & skf18("2","7","9","4","4","10","1") = "9"
    & skf18("2","7","9","4","5","1","1") = "8"
    & skf18("2","7","9","4","5","2","1") = "8"
    & skf18("2","7","9","4","5","3","1") = "8"
    & skf18("2","7","9","4","5","4","1") = "8"
    & skf18("2","7","9","4","5","5","1") = "8"
    & skf18("2","7","9","4","5","6","1") = "8"
    & skf18("2","7","9","4","5","7","1") = "8"
    & skf18("2","7","9","4","5","8","1") = "8"
    & skf18("2","7","9","4","5","9","1") = "8"
    & skf18("2","7","9","4","5","10","1") = "9"
    & skf18("2","7","9","4","6","1","1") = "8"
    & skf18("2","7","9","4","6","2","1") = "8"
    & skf18("2","7","9","4","6","3","1") = "8"
    & skf18("2","7","9","4","6","4","1") = "8"
    & skf18("2","7","9","4","6","5","1") = "8"
    & skf18("2","7","9","4","6","6","1") = "8"
    & skf18("2","7","9","4","6","7","1") = "8"
    & skf18("2","7","9","4","6","8","1") = "8"
    & skf18("2","7","9","4","6","9","1") = "8"
    & skf18("2","7","9","4","6","10","1") = "9"
    & skf18("2","7","9","4","7","1","1") = "8"
    & skf18("2","7","9","4","7","2","1") = "8"
    & skf18("2","7","9","4","7","3","1") = "8"
    & skf18("2","7","9","4","7","4","1") = "8"
    & skf18("2","7","9","4","7","5","1") = "8"
    & skf18("2","7","9","4","7","6","1") = "8"
    & skf18("2","7","9","4","7","7","1") = "8"
    & skf18("2","7","9","4","7","8","1") = "8"
    & skf18("2","7","9","4","7","9","1") = "8"
    & skf18("2","7","9","4","7","10","1") = "9"
    & skf18("2","7","9","4","8","1","1") = "8"
    & skf18("2","7","9","4","8","2","1") = "8"
    & skf18("2","7","9","4","8","3","1") = "8"
    & skf18("2","7","9","4","8","4","1") = "8"
    & skf18("2","7","9","4","8","5","1") = "8"
    & skf18("2","7","9","4","8","6","1") = "8"
    & skf18("2","7","9","4","8","7","1") = "8"
    & skf18("2","7","9","4","8","8","1") = "8"
    & skf18("2","7","9","4","8","9","1") = "8"
    & skf18("2","7","9","4","8","10","1") = "9"
    & skf18("2","7","9","4","9","1","1") = "8"
    & skf18("2","7","9","4","9","2","1") = "8"
    & skf18("2","7","9","4","9","3","1") = "8"
    & skf18("2","7","9","4","9","4","1") = "8"
    & skf18("2","7","9","4","9","5","1") = "8"
    & skf18("2","7","9","4","9","6","1") = "8"
    & skf18("2","7","9","4","9","7","1") = "8"
    & skf18("2","7","9","4","9","8","1") = "8"
    & skf18("2","7","9","4","9","9","1") = "8"
    & skf18("2","7","9","4","9","10","1") = "9"
    & skf18("2","7","9","4","10","1","1") = "9"
    & skf18("2","7","9","4","10","2","1") = "9"
    & skf18("2","7","9","4","10","3","1") = "9"
    & skf18("2","7","9","4","10","4","1") = "9"
    & skf18("2","7","9","4","10","5","1") = "9"
    & skf18("2","7","9","4","10","6","1") = "9"
    & skf18("2","7","9","4","10","7","1") = "9"
    & skf18("2","7","9","4","10","8","1") = "9"
    & skf18("2","7","9","4","10","9","1") = "9"
    & skf18("2","7","9","4","10","10","1") = "9"
    & skf18("2","7","9","5","1","1","1") = "8"
    & skf18("2","7","9","5","1","2","1") = "8"
    & skf18("2","7","9","5","1","3","1") = "8"
    & skf18("2","7","9","5","1","4","1") = "8"
    & skf18("2","7","9","5","1","5","1") = "8"
    & skf18("2","7","9","5","1","6","1") = "8"
    & skf18("2","7","9","5","1","7","1") = "8"
    & skf18("2","7","9","5","1","8","1") = "8"
    & skf18("2","7","9","5","1","9","1") = "8"
    & skf18("2","7","9","5","1","10","1") = "9"
    & skf18("2","7","9","5","2","1","1") = "8"
    & skf18("2","7","9","5","2","2","1") = "8"
    & skf18("2","7","9","5","2","3","1") = "8"
    & skf18("2","7","9","5","2","4","1") = "8"
    & skf18("2","7","9","5","2","5","1") = "8"
    & skf18("2","7","9","5","2","6","1") = "8"
    & skf18("2","7","9","5","2","7","1") = "8"
    & skf18("2","7","9","5","2","8","1") = "8"
    & skf18("2","7","9","5","2","9","1") = "8"
    & skf18("2","7","9","5","2","10","1") = "9"
    & skf18("2","7","9","5","3","1","1") = "8"
    & skf18("2","7","9","5","3","2","1") = "8"
    & skf18("2","7","9","5","3","3","1") = "8"
    & skf18("2","7","9","5","3","4","1") = "8"
    & skf18("2","7","9","5","3","5","1") = "8"
    & skf18("2","7","9","5","3","6","1") = "8"
    & skf18("2","7","9","5","3","7","1") = "8"
    & skf18("2","7","9","5","3","8","1") = "8"
    & skf18("2","7","9","5","3","9","1") = "8"
    & skf18("2","7","9","5","3","10","1") = "9"
    & skf18("2","7","9","5","4","1","1") = "8"
    & skf18("2","7","9","5","4","2","1") = "8"
    & skf18("2","7","9","5","4","3","1") = "8"
    & skf18("2","7","9","5","4","4","1") = "8"
    & skf18("2","7","9","5","4","5","1") = "8"
    & skf18("2","7","9","5","4","6","1") = "8"
    & skf18("2","7","9","5","4","7","1") = "8"
    & skf18("2","7","9","5","4","8","1") = "8"
    & skf18("2","7","9","5","4","9","1") = "8"
    & skf18("2","7","9","5","4","10","1") = "9"
    & skf18("2","7","9","5","5","1","1") = "8"
    & skf18("2","7","9","5","5","2","1") = "8"
    & skf18("2","7","9","5","5","3","1") = "8"
    & skf18("2","7","9","5","5","4","1") = "8"
    & skf18("2","7","9","5","5","5","1") = "8"
    & skf18("2","7","9","5","5","6","1") = "8"
    & skf18("2","7","9","5","5","7","1") = "8"
    & skf18("2","7","9","5","5","8","1") = "8"
    & skf18("2","7","9","5","5","9","1") = "8"
    & skf18("2","7","9","5","5","10","1") = "9"
    & skf18("2","7","9","5","6","1","1") = "8"
    & skf18("2","7","9","5","6","2","1") = "8"
    & skf18("2","7","9","5","6","3","1") = "8"
    & skf18("2","7","9","5","6","4","1") = "8"
    & skf18("2","7","9","5","6","5","1") = "8"
    & skf18("2","7","9","5","6","6","1") = "8"
    & skf18("2","7","9","5","6","7","1") = "8"
    & skf18("2","7","9","5","6","8","1") = "8"
    & skf18("2","7","9","5","6","9","1") = "8"
    & skf18("2","7","9","5","6","10","1") = "9"
    & skf18("2","7","9","5","7","1","1") = "8"
    & skf18("2","7","9","5","7","2","1") = "8"
    & skf18("2","7","9","5","7","3","1") = "8"
    & skf18("2","7","9","5","7","4","1") = "8"
    & skf18("2","7","9","5","7","5","1") = "8"
    & skf18("2","7","9","5","7","6","1") = "8"
    & skf18("2","7","9","5","7","7","1") = "8"
    & skf18("2","7","9","5","7","8","1") = "8"
    & skf18("2","7","9","5","7","9","1") = "8"
    & skf18("2","7","9","5","7","10","1") = "9"
    & skf18("2","7","9","5","8","1","1") = "8"
    & skf18("2","7","9","5","8","2","1") = "8"
    & skf18("2","7","9","5","8","3","1") = "8"
    & skf18("2","7","9","5","8","4","1") = "8"
    & skf18("2","7","9","5","8","5","1") = "8"
    & skf18("2","7","9","5","8","6","1") = "8"
    & skf18("2","7","9","5","8","7","1") = "8"
    & skf18("2","7","9","5","8","8","1") = "8"
    & skf18("2","7","9","5","8","9","1") = "8"
    & skf18("2","7","9","5","8","10","1") = "9"
    & skf18("2","7","9","5","9","1","1") = "8"
    & skf18("2","7","9","5","9","2","1") = "8"
    & skf18("2","7","9","5","9","3","1") = "8"
    & skf18("2","7","9","5","9","4","1") = "8"
    & skf18("2","7","9","5","9","5","1") = "8"
    & skf18("2","7","9","5","9","6","1") = "8"
    & skf18("2","7","9","5","9","7","1") = "8"
    & skf18("2","7","9","5","9","8","1") = "8"
    & skf18("2","7","9","5","9","9","1") = "8"
    & skf18("2","7","9","5","9","10","1") = "9"
    & skf18("2","7","9","5","10","1","1") = "9"
    & skf18("2","7","9","5","10","2","1") = "9"
    & skf18("2","7","9","5","10","3","1") = "9"
    & skf18("2","7","9","5","10","4","1") = "9"
    & skf18("2","7","9","5","10","5","1") = "9"
    & skf18("2","7","9","5","10","6","1") = "9"
    & skf18("2","7","9","5","10","7","1") = "9"
    & skf18("2","7","9","5","10","8","1") = "9"
    & skf18("2","7","9","5","10","9","1") = "9"
    & skf18("2","7","9","5","10","10","1") = "9"
    & skf18("2","7","9","6","1","1","1") = "8"
    & skf18("2","7","9","6","1","2","1") = "8"
    & skf18("2","7","9","6","1","3","1") = "8"
    & skf18("2","7","9","6","1","4","1") = "8"
    & skf18("2","7","9","6","1","5","1") = "8"
    & skf18("2","7","9","6","1","6","1") = "8"
    & skf18("2","7","9","6","1","7","1") = "8"
    & skf18("2","7","9","6","1","8","1") = "8"
    & skf18("2","7","9","6","1","9","1") = "8"
    & skf18("2","7","9","6","1","10","1") = "9"
    & skf18("2","7","9","6","2","1","1") = "8"
    & skf18("2","7","9","6","2","2","1") = "8"
    & skf18("2","7","9","6","2","3","1") = "8"
    & skf18("2","7","9","6","2","4","1") = "8"
    & skf18("2","7","9","6","2","5","1") = "8"
    & skf18("2","7","9","6","2","6","1") = "8"
    & skf18("2","7","9","6","2","7","1") = "8"
    & skf18("2","7","9","6","2","8","1") = "8"
    & skf18("2","7","9","6","2","9","1") = "8"
    & skf18("2","7","9","6","2","10","1") = "9"
    & skf18("2","7","9","6","3","1","1") = "8"
    & skf18("2","7","9","6","3","2","1") = "8"
    & skf18("2","7","9","6","3","3","1") = "8"
    & skf18("2","7","9","6","3","4","1") = "8"
    & skf18("2","7","9","6","3","5","1") = "8"
    & skf18("2","7","9","6","3","6","1") = "8"
    & skf18("2","7","9","6","3","7","1") = "8"
    & skf18("2","7","9","6","3","8","1") = "8"
    & skf18("2","7","9","6","3","9","1") = "8"
    & skf18("2","7","9","6","3","10","1") = "9"
    & skf18("2","7","9","6","4","1","1") = "8"
    & skf18("2","7","9","6","4","2","1") = "8"
    & skf18("2","7","9","6","4","3","1") = "8"
    & skf18("2","7","9","6","4","4","1") = "8"
    & skf18("2","7","9","6","4","5","1") = "8"
    & skf18("2","7","9","6","4","6","1") = "8"
    & skf18("2","7","9","6","4","7","1") = "8"
    & skf18("2","7","9","6","4","8","1") = "8"
    & skf18("2","7","9","6","4","9","1") = "8"
    & skf18("2","7","9","6","4","10","1") = "9"
    & skf18("2","7","9","6","5","1","1") = "8"
    & skf18("2","7","9","6","5","2","1") = "8"
    & skf18("2","7","9","6","5","3","1") = "8"
    & skf18("2","7","9","6","5","4","1") = "8"
    & skf18("2","7","9","6","5","5","1") = "8"
    & skf18("2","7","9","6","5","6","1") = "8"
    & skf18("2","7","9","6","5","7","1") = "8"
    & skf18("2","7","9","6","5","8","1") = "8"
    & skf18("2","7","9","6","5","9","1") = "8"
    & skf18("2","7","9","6","5","10","1") = "9"
    & skf18("2","7","9","6","6","1","1") = "8"
    & skf18("2","7","9","6","6","2","1") = "8"
    & skf18("2","7","9","6","6","3","1") = "8"
    & skf18("2","7","9","6","6","4","1") = "8"
    & skf18("2","7","9","6","6","5","1") = "8"
    & skf18("2","7","9","6","6","6","1") = "8"
    & skf18("2","7","9","6","6","7","1") = "8"
    & skf18("2","7","9","6","6","8","1") = "8"
    & skf18("2","7","9","6","6","9","1") = "8"
    & skf18("2","7","9","6","6","10","1") = "9"
    & skf18("2","7","9","6","7","1","1") = "8"
    & skf18("2","7","9","6","7","2","1") = "8"
    & skf18("2","7","9","6","7","3","1") = "8"
    & skf18("2","7","9","6","7","4","1") = "8"
    & skf18("2","7","9","6","7","5","1") = "8"
    & skf18("2","7","9","6","7","6","1") = "8"
    & skf18("2","7","9","6","7","7","1") = "8"
    & skf18("2","7","9","6","7","8","1") = "8"
    & skf18("2","7","9","6","7","9","1") = "8"
    & skf18("2","7","9","6","7","10","1") = "9"
    & skf18("2","7","9","6","8","1","1") = "8"
    & skf18("2","7","9","6","8","2","1") = "8"
    & skf18("2","7","9","6","8","3","1") = "8"
    & skf18("2","7","9","6","8","4","1") = "8"
    & skf18("2","7","9","6","8","5","1") = "8"
    & skf18("2","7","9","6","8","6","1") = "8"
    & skf18("2","7","9","6","8","7","1") = "8"
    & skf18("2","7","9","6","8","8","1") = "8"
    & skf18("2","7","9","6","8","9","1") = "8"
    & skf18("2","7","9","6","8","10","1") = "9"
    & skf18("2","7","9","6","9","1","1") = "8"
    & skf18("2","7","9","6","9","2","1") = "8"
    & skf18("2","7","9","6","9","3","1") = "8"
    & skf18("2","7","9","6","9","4","1") = "8"
    & skf18("2","7","9","6","9","5","1") = "8"
    & skf18("2","7","9","6","9","6","1") = "8"
    & skf18("2","7","9","6","9","7","1") = "8"
    & skf18("2","7","9","6","9","8","1") = "8"
    & skf18("2","7","9","6","9","9","1") = "8"
    & skf18("2","7","9","6","9","10","1") = "9"
    & skf18("2","7","9","6","10","1","1") = "9"
    & skf18("2","7","9","6","10","2","1") = "9"
    & skf18("2","7","9","6","10","3","1") = "9"
    & skf18("2","7","9","6","10","4","1") = "9"
    & skf18("2","7","9","6","10","5","1") = "9"
    & skf18("2","7","9","6","10","6","1") = "9"
    & skf18("2","7","9","6","10","7","1") = "9"
    & skf18("2","7","9","6","10","8","1") = "9"
    & skf18("2","7","9","6","10","9","1") = "9"
    & skf18("2","7","9","6","10","10","1") = "9"
    & skf18("2","7","9","7","1","1","1") = "8"
    & skf18("2","7","9","7","1","2","1") = "8"
    & skf18("2","7","9","7","1","3","1") = "8"
    & skf18("2","7","9","7","1","4","1") = "8"
    & skf18("2","7","9","7","1","5","1") = "8"
    & skf18("2","7","9","7","1","6","1") = "8"
    & skf18("2","7","9","7","1","7","1") = "8"
    & skf18("2","7","9","7","1","8","1") = "8"
    & skf18("2","7","9","7","1","9","1") = "8"
    & skf18("2","7","9","7","1","10","1") = "9"
    & skf18("2","7","9","7","2","1","1") = "8"
    & skf18("2","7","9","7","2","2","1") = "8"
    & skf18("2","7","9","7","2","3","1") = "8"
    & skf18("2","7","9","7","2","4","1") = "8"
    & skf18("2","7","9","7","2","5","1") = "8"
    & skf18("2","7","9","7","2","6","1") = "8"
    & skf18("2","7","9","7","2","7","1") = "8"
    & skf18("2","7","9","7","2","8","1") = "8"
    & skf18("2","7","9","7","2","9","1") = "8"
    & skf18("2","7","9","7","2","10","1") = "9"
    & skf18("2","7","9","7","3","1","1") = "8"
    & skf18("2","7","9","7","3","2","1") = "8"
    & skf18("2","7","9","7","3","3","1") = "8"
    & skf18("2","7","9","7","3","4","1") = "8"
    & skf18("2","7","9","7","3","5","1") = "8"
    & skf18("2","7","9","7","3","6","1") = "8"
    & skf18("2","7","9","7","3","7","1") = "8"
    & skf18("2","7","9","7","3","8","1") = "8"
    & skf18("2","7","9","7","3","9","1") = "8"
    & skf18("2","7","9","7","3","10","1") = "9"
    & skf18("2","7","9","7","4","1","1") = "8"
    & skf18("2","7","9","7","4","2","1") = "8"
    & skf18("2","7","9","7","4","3","1") = "8"
    & skf18("2","7","9","7","4","4","1") = "8"
    & skf18("2","7","9","7","4","5","1") = "8"
    & skf18("2","7","9","7","4","6","1") = "8"
    & skf18("2","7","9","7","4","7","1") = "8"
    & skf18("2","7","9","7","4","8","1") = "8"
    & skf18("2","7","9","7","4","9","1") = "8"
    & skf18("2","7","9","7","4","10","1") = "9"
    & skf18("2","7","9","7","5","1","1") = "8"
    & skf18("2","7","9","7","5","2","1") = "8"
    & skf18("2","7","9","7","5","3","1") = "8"
    & skf18("2","7","9","7","5","4","1") = "8"
    & skf18("2","7","9","7","5","5","1") = "8"
    & skf18("2","7","9","7","5","6","1") = "8"
    & skf18("2","7","9","7","5","7","1") = "8"
    & skf18("2","7","9","7","5","8","1") = "8"
    & skf18("2","7","9","7","5","9","1") = "8"
    & skf18("2","7","9","7","5","10","1") = "9"
    & skf18("2","7","9","7","6","1","1") = "8"
    & skf18("2","7","9","7","6","2","1") = "8"
    & skf18("2","7","9","7","6","3","1") = "8"
    & skf18("2","7","9","7","6","4","1") = "8"
    & skf18("2","7","9","7","6","5","1") = "8"
    & skf18("2","7","9","7","6","6","1") = "8"
    & skf18("2","7","9","7","6","7","1") = "8"
    & skf18("2","7","9","7","6","8","1") = "8"
    & skf18("2","7","9","7","6","9","1") = "8"
    & skf18("2","7","9","7","6","10","1") = "9"
    & skf18("2","7","9","7","7","1","1") = "8"
    & skf18("2","7","9","7","7","2","1") = "8"
    & skf18("2","7","9","7","7","3","1") = "8"
    & skf18("2","7","9","7","7","4","1") = "8"
    & skf18("2","7","9","7","7","5","1") = "8"
    & skf18("2","7","9","7","7","6","1") = "8"
    & skf18("2","7","9","7","7","7","1") = "8"
    & skf18("2","7","9","7","7","8","1") = "8"
    & skf18("2","7","9","7","7","9","1") = "8"
    & skf18("2","7","9","7","7","10","1") = "9"
    & skf18("2","7","9","7","8","1","1") = "8"
    & skf18("2","7","9","7","8","2","1") = "8"
    & skf18("2","7","9","7","8","3","1") = "8"
    & skf18("2","7","9","7","8","4","1") = "8"
    & skf18("2","7","9","7","8","5","1") = "8"
    & skf18("2","7","9","7","8","6","1") = "8"
    & skf18("2","7","9","7","8","7","1") = "8"
    & skf18("2","7","9","7","8","8","1") = "8"
    & skf18("2","7","9","7","8","9","1") = "8"
    & skf18("2","7","9","7","8","10","1") = "9"
    & skf18("2","7","9","7","9","1","1") = "8"
    & skf18("2","7","9","7","9","2","1") = "8"
    & skf18("2","7","9","7","9","3","1") = "8"
    & skf18("2","7","9","7","9","4","1") = "8"
    & skf18("2","7","9","7","9","5","1") = "8"
    & skf18("2","7","9","7","9","6","1") = "8"
    & skf18("2","7","9","7","9","7","1") = "8"
    & skf18("2","7","9","7","9","8","1") = "8"
    & skf18("2","7","9","7","9","9","1") = "8"
    & skf18("2","7","9","7","9","10","1") = "9"
    & skf18("2","7","9","7","10","1","1") = "9"
    & skf18("2","7","9","7","10","2","1") = "9"
    & skf18("2","7","9","7","10","3","1") = "9"
    & skf18("2","7","9","7","10","4","1") = "9"
    & skf18("2","7","9","7","10","5","1") = "9"
    & skf18("2","7","9","7","10","6","1") = "9"
    & skf18("2","7","9","7","10","7","1") = "9"
    & skf18("2","7","9","7","10","8","1") = "9"
    & skf18("2","7","9","7","10","9","1") = "9"
    & skf18("2","7","9","7","10","10","1") = "9"
    & skf18("2","7","9","8","1","1","1") = "8"
    & skf18("2","7","9","8","1","2","1") = "8"
    & skf18("2","7","9","8","1","3","1") = "8"
    & skf18("2","7","9","8","1","4","1") = "8"
    & skf18("2","7","9","8","1","5","1") = "8"
    & skf18("2","7","9","8","1","6","1") = "8"
    & skf18("2","7","9","8","1","7","1") = "8"
    & skf18("2","7","9","8","1","8","1") = "8"
    & skf18("2","7","9","8","1","9","1") = "8"
    & skf18("2","7","9","8","1","10","1") = "9"
    & skf18("2","7","9","8","2","1","1") = "8"
    & skf18("2","7","9","8","2","2","1") = "8"
    & skf18("2","7","9","8","2","3","1") = "8"
    & skf18("2","7","9","8","2","4","1") = "8"
    & skf18("2","7","9","8","2","5","1") = "8"
    & skf18("2","7","9","8","2","6","1") = "8"
    & skf18("2","7","9","8","2","7","1") = "8"
    & skf18("2","7","9","8","2","8","1") = "8"
    & skf18("2","7","9","8","2","9","1") = "8"
    & skf18("2","7","9","8","2","10","1") = "9"
    & skf18("2","7","9","8","3","1","1") = "8"
    & skf18("2","7","9","8","3","2","1") = "8"
    & skf18("2","7","9","8","3","3","1") = "8"
    & skf18("2","7","9","8","3","4","1") = "8"
    & skf18("2","7","9","8","3","5","1") = "8"
    & skf18("2","7","9","8","3","6","1") = "8"
    & skf18("2","7","9","8","3","7","1") = "8"
    & skf18("2","7","9","8","3","8","1") = "8"
    & skf18("2","7","9","8","3","9","1") = "8"
    & skf18("2","7","9","8","3","10","1") = "9"
    & skf18("2","7","9","8","4","1","1") = "8"
    & skf18("2","7","9","8","4","2","1") = "8"
    & skf18("2","7","9","8","4","3","1") = "8"
    & skf18("2","7","9","8","4","4","1") = "8"
    & skf18("2","7","9","8","4","5","1") = "8"
    & skf18("2","7","9","8","4","6","1") = "8"
    & skf18("2","7","9","8","4","7","1") = "8"
    & skf18("2","7","9","8","4","8","1") = "8"
    & skf18("2","7","9","8","4","9","1") = "8"
    & skf18("2","7","9","8","4","10","1") = "9"
    & skf18("2","7","9","8","5","1","1") = "8"
    & skf18("2","7","9","8","5","2","1") = "8"
    & skf18("2","7","9","8","5","3","1") = "8"
    & skf18("2","7","9","8","5","4","1") = "8"
    & skf18("2","7","9","8","5","5","1") = "8"
    & skf18("2","7","9","8","5","6","1") = "8"
    & skf18("2","7","9","8","5","7","1") = "8"
    & skf18("2","7","9","8","5","8","1") = "8"
    & skf18("2","7","9","8","5","9","1") = "8"
    & skf18("2","7","9","8","5","10","1") = "9"
    & skf18("2","7","9","8","6","1","1") = "8"
    & skf18("2","7","9","8","6","2","1") = "8"
    & skf18("2","7","9","8","6","3","1") = "8"
    & skf18("2","7","9","8","6","4","1") = "8"
    & skf18("2","7","9","8","6","5","1") = "8"
    & skf18("2","7","9","8","6","6","1") = "8"
    & skf18("2","7","9","8","6","7","1") = "8"
    & skf18("2","7","9","8","6","8","1") = "8"
    & skf18("2","7","9","8","6","9","1") = "8"
    & skf18("2","7","9","8","6","10","1") = "9"
    & skf18("2","7","9","8","7","1","1") = "8"
    & skf18("2","7","9","8","7","2","1") = "8"
    & skf18("2","7","9","8","7","3","1") = "8"
    & skf18("2","7","9","8","7","4","1") = "8"
    & skf18("2","7","9","8","7","5","1") = "8"
    & skf18("2","7","9","8","7","6","1") = "8"
    & skf18("2","7","9","8","7","7","1") = "8"
    & skf18("2","7","9","8","7","8","1") = "8"
    & skf18("2","7","9","8","7","9","1") = "8"
    & skf18("2","7","9","8","7","10","1") = "9"
    & skf18("2","7","9","8","8","1","1") = "8"
    & skf18("2","7","9","8","8","2","1") = "8"
    & skf18("2","7","9","8","8","3","1") = "8"
    & skf18("2","7","9","8","8","4","1") = "8"
    & skf18("2","7","9","8","8","5","1") = "8"
    & skf18("2","7","9","8","8","6","1") = "8"
    & skf18("2","7","9","8","8","7","1") = "8"
    & skf18("2","7","9","8","8","8","1") = "8"
    & skf18("2","7","9","8","8","9","1") = "8"
    & skf18("2","7","9","8","8","10","1") = "9"
    & skf18("2","7","9","8","9","1","1") = "8"
    & skf18("2","7","9","8","9","2","1") = "8"
    & skf18("2","7","9","8","9","3","1") = "8"
    & skf18("2","7","9","8","9","4","1") = "8"
    & skf18("2","7","9","8","9","5","1") = "8"
    & skf18("2","7","9","8","9","6","1") = "8"
    & skf18("2","7","9","8","9","7","1") = "8"
    & skf18("2","7","9","8","9","8","1") = "8"
    & skf18("2","7","9","8","9","9","1") = "8"
    & skf18("2","7","9","8","9","10","1") = "9"
    & skf18("2","7","9","8","10","1","1") = "9"
    & skf18("2","7","9","8","10","2","1") = "9"
    & skf18("2","7","9","8","10","3","1") = "9"
    & skf18("2","7","9","8","10","4","1") = "9"
    & skf18("2","7","9","8","10","5","1") = "9"
    & skf18("2","7","9","8","10","6","1") = "9"
    & skf18("2","7","9","8","10","7","1") = "9"
    & skf18("2","7","9","8","10","8","1") = "9"
    & skf18("2","7","9","8","10","9","1") = "9"
    & skf18("2","7","9","8","10","10","1") = "9"
    & skf18("2","7","9","9","1","1","1") = "8"
    & skf18("2","7","9","9","1","2","1") = "8"
    & skf18("2","7","9","9","1","3","1") = "8"
    & skf18("2","7","9","9","1","4","1") = "8"
    & skf18("2","7","9","9","1","5","1") = "8"
    & skf18("2","7","9","9","1","6","1") = "8"
    & skf18("2","7","9","9","1","7","1") = "8"
    & skf18("2","7","9","9","1","8","1") = "8"
    & skf18("2","7","9","9","1","9","1") = "8"
    & skf18("2","7","9","9","1","10","1") = "9"
    & skf18("2","7","9","9","2","1","1") = "8"
    & skf18("2","7","9","9","2","2","1") = "8"
    & skf18("2","7","9","9","2","3","1") = "8"
    & skf18("2","7","9","9","2","4","1") = "8"
    & skf18("2","7","9","9","2","5","1") = "8"
    & skf18("2","7","9","9","2","6","1") = "8"
    & skf18("2","7","9","9","2","7","1") = "8"
    & skf18("2","7","9","9","2","8","1") = "8"
    & skf18("2","7","9","9","2","9","1") = "8"
    & skf18("2","7","9","9","2","10","1") = "9"
    & skf18("2","7","9","9","3","1","1") = "8"
    & skf18("2","7","9","9","3","2","1") = "8"
    & skf18("2","7","9","9","3","3","1") = "8"
    & skf18("2","7","9","9","3","4","1") = "8"
    & skf18("2","7","9","9","3","5","1") = "8"
    & skf18("2","7","9","9","3","6","1") = "8"
    & skf18("2","7","9","9","3","7","1") = "8"
    & skf18("2","7","9","9","3","8","1") = "8"
    & skf18("2","7","9","9","3","9","1") = "8"
    & skf18("2","7","9","9","3","10","1") = "9"
    & skf18("2","7","9","9","4","1","1") = "8"
    & skf18("2","7","9","9","4","2","1") = "8"
    & skf18("2","7","9","9","4","3","1") = "8"
    & skf18("2","7","9","9","4","4","1") = "8"
    & skf18("2","7","9","9","4","5","1") = "8"
    & skf18("2","7","9","9","4","6","1") = "8"
    & skf18("2","7","9","9","4","7","1") = "8"
    & skf18("2","7","9","9","4","8","1") = "8"
    & skf18("2","7","9","9","4","9","1") = "8"
    & skf18("2","7","9","9","4","10","1") = "9"
    & skf18("2","7","9","9","5","1","1") = "8"
    & skf18("2","7","9","9","5","2","1") = "8"
    & skf18("2","7","9","9","5","3","1") = "8"
    & skf18("2","7","9","9","5","4","1") = "8"
    & skf18("2","7","9","9","5","5","1") = "8"
    & skf18("2","7","9","9","5","6","1") = "8"
    & skf18("2","7","9","9","5","7","1") = "8"
    & skf18("2","7","9","9","5","8","1") = "8"
    & skf18("2","7","9","9","5","9","1") = "8"
    & skf18("2","7","9","9","5","10","1") = "9"
    & skf18("2","7","9","9","6","1","1") = "8"
    & skf18("2","7","9","9","6","2","1") = "8"
    & skf18("2","7","9","9","6","3","1") = "8"
    & skf18("2","7","9","9","6","4","1") = "8"
    & skf18("2","7","9","9","6","5","1") = "8"
    & skf18("2","7","9","9","6","6","1") = "8"
    & skf18("2","7","9","9","6","7","1") = "8"
    & skf18("2","7","9","9","6","8","1") = "8"
    & skf18("2","7","9","9","6","9","1") = "8"
    & skf18("2","7","9","9","6","10","1") = "9"
    & skf18("2","7","9","9","7","1","1") = "8"
    & skf18("2","7","9","9","7","2","1") = "8"
    & skf18("2","7","9","9","7","3","1") = "8"
    & skf18("2","7","9","9","7","4","1") = "8"
    & skf18("2","7","9","9","7","5","1") = "8"
    & skf18("2","7","9","9","7","6","1") = "8"
    & skf18("2","7","9","9","7","7","1") = "8"
    & skf18("2","7","9","9","7","8","1") = "8"
    & skf18("2","7","9","9","7","9","1") = "8"
    & skf18("2","7","9","9","7","10","1") = "9"
    & skf18("2","7","9","9","8","1","1") = "8"
    & skf18("2","7","9","9","8","2","1") = "8"
    & skf18("2","7","9","9","8","3","1") = "8"
    & skf18("2","7","9","9","8","4","1") = "8"
    & skf18("2","7","9","9","8","5","1") = "8"
    & skf18("2","7","9","9","8","6","1") = "8"
    & skf18("2","7","9","9","8","7","1") = "8"
    & skf18("2","7","9","9","8","8","1") = "8"
    & skf18("2","7","9","9","8","9","1") = "8"
    & skf18("2","7","9","9","8","10","1") = "9"
    & skf18("2","7","9","9","9","1","1") = "8"
    & skf18("2","7","9","9","9","2","1") = "8"
    & skf18("2","7","9","9","9","3","1") = "8"
    & skf18("2","7","9","9","9","4","1") = "8"
    & skf18("2","7","9","9","9","5","1") = "8"
    & skf18("2","7","9","9","9","6","1") = "8"
    & skf18("2","7","9","9","9","7","1") = "8"
    & skf18("2","7","9","9","9","8","1") = "8"
    & skf18("2","7","9","9","9","9","1") = "8"
    & skf18("2","7","9","9","9","10","1") = "9"
    & skf18("2","7","9","9","10","1","1") = "9"
    & skf18("2","7","9","9","10","2","1") = "9"
    & skf18("2","7","9","9","10","3","1") = "9"
    & skf18("2","7","9","9","10","4","1") = "9"
    & skf18("2","7","9","9","10","5","1") = "9"
    & skf18("2","7","9","9","10","6","1") = "9"
    & skf18("2","7","9","9","10","7","1") = "9"
    & skf18("2","7","9","9","10","8","1") = "9"
    & skf18("2","7","9","9","10","9","1") = "9"
    & skf18("2","7","9","9","10","10","1") = "9"
    & skf18("2","7","9","10","1","1","1") = "9"
    & skf18("2","7","9","10","1","2","1") = "9"
    & skf18("2","7","9","10","1","3","1") = "9"
    & skf18("2","7","9","10","1","4","1") = "9"
    & skf18("2","7","9","10","1","5","1") = "9"
    & skf18("2","7","9","10","1","6","1") = "9"
    & skf18("2","7","9","10","1","7","1") = "9"
    & skf18("2","7","9","10","1","8","1") = "9"
    & skf18("2","7","9","10","1","9","1") = "9"
    & skf18("2","7","9","10","1","10","1") = "9"
    & skf18("2","7","9","10","2","1","1") = "9"
    & skf18("2","7","9","10","2","2","1") = "9"
    & skf18("2","7","9","10","2","3","1") = "9"
    & skf18("2","7","9","10","2","4","1") = "9"
    & skf18("2","7","9","10","2","5","1") = "9"
    & skf18("2","7","9","10","2","6","1") = "9"
    & skf18("2","7","9","10","2","7","1") = "9"
    & skf18("2","7","9","10","2","8","1") = "9"
    & skf18("2","7","9","10","2","9","1") = "9"
    & skf18("2","7","9","10","2","10","1") = "9"
    & skf18("2","7","9","10","3","1","1") = "9"
    & skf18("2","7","9","10","3","2","1") = "9"
    & skf18("2","7","9","10","3","3","1") = "9"
    & skf18("2","7","9","10","3","4","1") = "9"
    & skf18("2","7","9","10","3","5","1") = "9"
    & skf18("2","7","9","10","3","6","1") = "9"
    & skf18("2","7","9","10","3","7","1") = "9"
    & skf18("2","7","9","10","3","8","1") = "9"
    & skf18("2","7","9","10","3","9","1") = "9"
    & skf18("2","7","9","10","3","10","1") = "9"
    & skf18("2","7","9","10","4","1","1") = "9"
    & skf18("2","7","9","10","4","2","1") = "9"
    & skf18("2","7","9","10","4","3","1") = "9"
    & skf18("2","7","9","10","4","4","1") = "9"
    & skf18("2","7","9","10","4","5","1") = "9"
    & skf18("2","7","9","10","4","6","1") = "9"
    & skf18("2","7","9","10","4","7","1") = "9"
    & skf18("2","7","9","10","4","8","1") = "9"
    & skf18("2","7","9","10","4","9","1") = "9"
    & skf18("2","7","9","10","4","10","1") = "9"
    & skf18("2","7","9","10","5","1","1") = "9"
    & skf18("2","7","9","10","5","2","1") = "9"
    & skf18("2","7","9","10","5","3","1") = "9"
    & skf18("2","7","9","10","5","4","1") = "9"
    & skf18("2","7","9","10","5","5","1") = "9"
    & skf18("2","7","9","10","5","6","1") = "9"
    & skf18("2","7","9","10","5","7","1") = "9"
    & skf18("2","7","9","10","5","8","1") = "9"
    & skf18("2","7","9","10","5","9","1") = "9"
    & skf18("2","7","9","10","5","10","1") = "9"
    & skf18("2","7","9","10","6","1","1") = "9"
    & skf18("2","7","9","10","6","2","1") = "9"
    & skf18("2","7","9","10","6","3","1") = "9"
    & skf18("2","7","9","10","6","4","1") = "9"
    & skf18("2","7","9","10","6","5","1") = "9"
    & skf18("2","7","9","10","6","6","1") = "9"
    & skf18("2","7","9","10","6","7","1") = "9"
    & skf18("2","7","9","10","6","8","1") = "9"
    & skf18("2","7","9","10","6","9","1") = "9"
    & skf18("2","7","9","10","6","10","1") = "9"
    & skf18("2","7","9","10","7","1","1") = "9"
    & skf18("2","7","9","10","7","2","1") = "9"
    & skf18("2","7","9","10","7","3","1") = "9"
    & skf18("2","7","9","10","7","4","1") = "9"
    & skf18("2","7","9","10","7","5","1") = "9"
    & skf18("2","7","9","10","7","6","1") = "9"
    & skf18("2","7","9","10","7","7","1") = "9"
    & skf18("2","7","9","10","7","8","1") = "9"
    & skf18("2","7","9","10","7","9","1") = "9"
    & skf18("2","7","9","10","7","10","1") = "9"
    & skf18("2","7","9","10","8","1","1") = "9"
    & skf18("2","7","9","10","8","2","1") = "9"
    & skf18("2","7","9","10","8","3","1") = "9"
    & skf18("2","7","9","10","8","4","1") = "9"
    & skf18("2","7","9","10","8","5","1") = "9"
    & skf18("2","7","9","10","8","6","1") = "9"
    & skf18("2","7","9","10","8","7","1") = "9"
    & skf18("2","7","9","10","8","8","1") = "9"
    & skf18("2","7","9","10","8","9","1") = "9"
    & skf18("2","7","9","10","8","10","1") = "9"
    & skf18("2","7","9","10","9","1","1") = "9"
    & skf18("2","7","9","10","9","2","1") = "9"
    & skf18("2","7","9","10","9","3","1") = "9"
    & skf18("2","7","9","10","9","4","1") = "9"
    & skf18("2","7","9","10","9","5","1") = "9"
    & skf18("2","7","9","10","9","6","1") = "9"
    & skf18("2","7","9","10","9","7","1") = "9"
    & skf18("2","7","9","10","9","8","1") = "9"
    & skf18("2","7","9","10","9","9","1") = "9"
    & skf18("2","7","9","10","9","10","1") = "9"
    & skf18("2","7","9","10","10","1","1") = "9"
    & skf18("2","7","9","10","10","2","1") = "9"
    & skf18("2","7","9","10","10","3","1") = "9"
    & skf18("2","7","9","10","10","4","1") = "9"
    & skf18("2","7","9","10","10","5","1") = "9"
    & skf18("2","7","9","10","10","6","1") = "9"
    & skf18("2","7","9","10","10","7","1") = "9"
    & skf18("2","7","9","10","10","8","1") = "9"
    & skf18("2","7","9","10","10","9","1") = "9"
    & skf18("2","7","9","10","10","10","1") = "9"
    & skf18("2","7","10","1","1","1","1") = "9"
    & skf18("2","7","10","1","1","2","1") = "9"
    & skf18("2","7","10","1","1","3","1") = "9"
    & skf18("2","7","10","1","1","4","1") = "9"
    & skf18("2","7","10","1","1","5","1") = "9"
    & skf18("2","7","10","1","1","6","1") = "9"
    & skf18("2","7","10","1","1","7","1") = "9"
    & skf18("2","7","10","1","1","8","1") = "9"
    & skf18("2","7","10","1","1","9","1") = "9"
    & skf18("2","7","10","1","1","10","1") = "9"
    & skf18("2","7","10","1","2","1","1") = "9"
    & skf18("2","7","10","1","2","2","1") = "9"
    & skf18("2","7","10","1","2","3","1") = "9"
    & skf18("2","7","10","1","2","4","1") = "9"
    & skf18("2","7","10","1","2","5","1") = "9"
    & skf18("2","7","10","1","2","6","1") = "9"
    & skf18("2","7","10","1","2","7","1") = "9"
    & skf18("2","7","10","1","2","8","1") = "9"
    & skf18("2","7","10","1","2","9","1") = "9"
    & skf18("2","7","10","1","2","10","1") = "9"
    & skf18("2","7","10","1","3","1","1") = "9"
    & skf18("2","7","10","1","3","2","1") = "9"
    & skf18("2","7","10","1","3","3","1") = "9"
    & skf18("2","7","10","1","3","4","1") = "9"
    & skf18("2","7","10","1","3","5","1") = "9"
    & skf18("2","7","10","1","3","6","1") = "9"
    & skf18("2","7","10","1","3","7","1") = "9"
    & skf18("2","7","10","1","3","8","1") = "9"
    & skf18("2","7","10","1","3","9","1") = "9"
    & skf18("2","7","10","1","3","10","1") = "9"
    & skf18("2","7","10","1","4","1","1") = "9"
    & skf18("2","7","10","1","4","2","1") = "9"
    & skf18("2","7","10","1","4","3","1") = "9"
    & skf18("2","7","10","1","4","4","1") = "9"
    & skf18("2","7","10","1","4","5","1") = "9"
    & skf18("2","7","10","1","4","6","1") = "9"
    & skf18("2","7","10","1","4","7","1") = "9"
    & skf18("2","7","10","1","4","8","1") = "9"
    & skf18("2","7","10","1","4","9","1") = "9"
    & skf18("2","7","10","1","4","10","1") = "9"
    & skf18("2","7","10","1","5","1","1") = "9"
    & skf18("2","7","10","1","5","2","1") = "9"
    & skf18("2","7","10","1","5","3","1") = "9"
    & skf18("2","7","10","1","5","4","1") = "9"
    & skf18("2","7","10","1","5","5","1") = "9"
    & skf18("2","7","10","1","5","6","1") = "9"
    & skf18("2","7","10","1","5","7","1") = "9"
    & skf18("2","7","10","1","5","8","1") = "9"
    & skf18("2","7","10","1","5","9","1") = "9"
    & skf18("2","7","10","1","5","10","1") = "9"
    & skf18("2","7","10","1","6","1","1") = "9"
    & skf18("2","7","10","1","6","2","1") = "9"
    & skf18("2","7","10","1","6","3","1") = "9"
    & skf18("2","7","10","1","6","4","1") = "9"
    & skf18("2","7","10","1","6","5","1") = "9"
    & skf18("2","7","10","1","6","6","1") = "9"
    & skf18("2","7","10","1","6","7","1") = "9"
    & skf18("2","7","10","1","6","8","1") = "9"
    & skf18("2","7","10","1","6","9","1") = "9"
    & skf18("2","7","10","1","6","10","1") = "9"
    & skf18("2","7","10","1","7","1","1") = "9"
    & skf18("2","7","10","1","7","2","1") = "9"
    & skf18("2","7","10","1","7","3","1") = "9"
    & skf18("2","7","10","1","7","4","1") = "9"
    & skf18("2","7","10","1","7","5","1") = "9"
    & skf18("2","7","10","1","7","6","1") = "9"
    & skf18("2","7","10","1","7","7","1") = "9"
    & skf18("2","7","10","1","7","8","1") = "9"
    & skf18("2","7","10","1","7","9","1") = "9"
    & skf18("2","7","10","1","7","10","1") = "9"
    & skf18("2","7","10","1","8","1","1") = "9"
    & skf18("2","7","10","1","8","2","1") = "9"
    & skf18("2","7","10","1","8","3","1") = "9"
    & skf18("2","7","10","1","8","4","1") = "9"
    & skf18("2","7","10","1","8","5","1") = "9"
    & skf18("2","7","10","1","8","6","1") = "9"
    & skf18("2","7","10","1","8","7","1") = "9"
    & skf18("2","7","10","1","8","8","1") = "9"
    & skf18("2","7","10","1","8","9","1") = "9"
    & skf18("2","7","10","1","8","10","1") = "9"
    & skf18("2","7","10","1","9","1","1") = "9"
    & skf18("2","7","10","1","9","2","1") = "9"
    & skf18("2","7","10","1","9","3","1") = "9"
    & skf18("2","7","10","1","9","4","1") = "9"
    & skf18("2","7","10","1","9","5","1") = "9"
    & skf18("2","7","10","1","9","6","1") = "9"
    & skf18("2","7","10","1","9","7","1") = "9"
    & skf18("2","7","10","1","9","8","1") = "9"
    & skf18("2","7","10","1","9","9","1") = "9"
    & skf18("2","7","10","1","9","10","1") = "9"
    & skf18("2","7","10","1","10","1","1") = "9"
    & skf18("2","7","10","1","10","2","1") = "9"
    & skf18("2","7","10","1","10","3","1") = "9"
    & skf18("2","7","10","1","10","4","1") = "9"
    & skf18("2","7","10","1","10","5","1") = "9"
    & skf18("2","7","10","1","10","6","1") = "9"
    & skf18("2","7","10","1","10","7","1") = "9"
    & skf18("2","7","10","1","10","8","1") = "9"
    & skf18("2","7","10","1","10","9","1") = "9"
    & skf18("2","7","10","1","10","10","1") = "9"
    & skf18("2","7","10","2","1","1","1") = "9"
    & skf18("2","7","10","2","1","2","1") = "9"
    & skf18("2","7","10","2","1","3","1") = "9"
    & skf18("2","7","10","2","1","4","1") = "9"
    & skf18("2","7","10","2","1","5","1") = "9"
    & skf18("2","7","10","2","1","6","1") = "9"
    & skf18("2","7","10","2","1","7","1") = "9"
    & skf18("2","7","10","2","1","8","1") = "9"
    & skf18("2","7","10","2","1","9","1") = "9"
    & skf18("2","7","10","2","1","10","1") = "9"
    & skf18("2","7","10","2","2","1","1") = "9"
    & skf18("2","7","10","2","2","2","1") = "9"
    & skf18("2","7","10","2","2","3","1") = "9"
    & skf18("2","7","10","2","2","4","1") = "9"
    & skf18("2","7","10","2","2","5","1") = "9"
    & skf18("2","7","10","2","2","6","1") = "9"
    & skf18("2","7","10","2","2","7","1") = "9"
    & skf18("2","7","10","2","2","8","1") = "9"
    & skf18("2","7","10","2","2","9","1") = "9"
    & skf18("2","7","10","2","2","10","1") = "9"
    & skf18("2","7","10","2","3","1","1") = "9"
    & skf18("2","7","10","2","3","2","1") = "9"
    & skf18("2","7","10","2","3","3","1") = "9"
    & skf18("2","7","10","2","3","4","1") = "9"
    & skf18("2","7","10","2","3","5","1") = "9"
    & skf18("2","7","10","2","3","6","1") = "9"
    & skf18("2","7","10","2","3","7","1") = "9"
    & skf18("2","7","10","2","3","8","1") = "9"
    & skf18("2","7","10","2","3","9","1") = "9"
    & skf18("2","7","10","2","3","10","1") = "9"
    & skf18("2","7","10","2","4","1","1") = "9"
    & skf18("2","7","10","2","4","2","1") = "9"
    & skf18("2","7","10","2","4","3","1") = "9"
    & skf18("2","7","10","2","4","4","1") = "9"
    & skf18("2","7","10","2","4","5","1") = "9"
    & skf18("2","7","10","2","4","6","1") = "9"
    & skf18("2","7","10","2","4","7","1") = "9"
    & skf18("2","7","10","2","4","8","1") = "9"
    & skf18("2","7","10","2","4","9","1") = "9"
    & skf18("2","7","10","2","4","10","1") = "9"
    & skf18("2","7","10","2","5","1","1") = "9"
    & skf18("2","7","10","2","5","2","1") = "9"
    & skf18("2","7","10","2","5","3","1") = "9"
    & skf18("2","7","10","2","5","4","1") = "9"
    & skf18("2","7","10","2","5","5","1") = "9"
    & skf18("2","7","10","2","5","6","1") = "9"
    & skf18("2","7","10","2","5","7","1") = "9"
    & skf18("2","7","10","2","5","8","1") = "9"
    & skf18("2","7","10","2","5","9","1") = "9"
    & skf18("2","7","10","2","5","10","1") = "9"
    & skf18("2","7","10","2","6","1","1") = "9"
    & skf18("2","7","10","2","6","2","1") = "9"
    & skf18("2","7","10","2","6","3","1") = "9"
    & skf18("2","7","10","2","6","4","1") = "9"
    & skf18("2","7","10","2","6","5","1") = "9"
    & skf18("2","7","10","2","6","6","1") = "9"
    & skf18("2","7","10","2","6","7","1") = "9"
    & skf18("2","7","10","2","6","8","1") = "9"
    & skf18("2","7","10","2","6","9","1") = "9"
    & skf18("2","7","10","2","6","10","1") = "9"
    & skf18("2","7","10","2","7","1","1") = "9"
    & skf18("2","7","10","2","7","2","1") = "9"
    & skf18("2","7","10","2","7","3","1") = "9"
    & skf18("2","7","10","2","7","4","1") = "9"
    & skf18("2","7","10","2","7","5","1") = "9"
    & skf18("2","7","10","2","7","6","1") = "9"
    & skf18("2","7","10","2","7","7","1") = "9"
    & skf18("2","7","10","2","7","8","1") = "9"
    & skf18("2","7","10","2","7","9","1") = "9"
    & skf18("2","7","10","2","7","10","1") = "9"
    & skf18("2","7","10","2","8","1","1") = "9"
    & skf18("2","7","10","2","8","2","1") = "9"
    & skf18("2","7","10","2","8","3","1") = "9"
    & skf18("2","7","10","2","8","4","1") = "9"
    & skf18("2","7","10","2","8","5","1") = "9"
    & skf18("2","7","10","2","8","6","1") = "9"
    & skf18("2","7","10","2","8","7","1") = "9"
    & skf18("2","7","10","2","8","8","1") = "9"
    & skf18("2","7","10","2","8","9","1") = "9"
    & skf18("2","7","10","2","8","10","1") = "9"
    & skf18("2","7","10","2","9","1","1") = "9"
    & skf18("2","7","10","2","9","2","1") = "9"
    & skf18("2","7","10","2","9","3","1") = "9"
    & skf18("2","7","10","2","9","4","1") = "9"
    & skf18("2","7","10","2","9","5","1") = "9"
    & skf18("2","7","10","2","9","6","1") = "9"
    & skf18("2","7","10","2","9","7","1") = "9"
    & skf18("2","7","10","2","9","8","1") = "9"
    & skf18("2","7","10","2","9","9","1") = "9"
    & skf18("2","7","10","2","9","10","1") = "9"
    & skf18("2","7","10","2","10","1","1") = "9"
    & skf18("2","7","10","2","10","2","1") = "9"
    & skf18("2","7","10","2","10","3","1") = "9"
    & skf18("2","7","10","2","10","4","1") = "9"
    & skf18("2","7","10","2","10","5","1") = "9"
    & skf18("2","7","10","2","10","6","1") = "9"
    & skf18("2","7","10","2","10","7","1") = "9"
    & skf18("2","7","10","2","10","8","1") = "9"
    & skf18("2","7","10","2","10","9","1") = "9"
    & skf18("2","7","10","2","10","10","1") = "9"
    & skf18("2","7","10","3","1","1","1") = "9"
    & skf18("2","7","10","3","1","2","1") = "9"
    & skf18("2","7","10","3","1","3","1") = "9"
    & skf18("2","7","10","3","1","4","1") = "9"
    & skf18("2","7","10","3","1","5","1") = "9"
    & skf18("2","7","10","3","1","6","1") = "9"
    & skf18("2","7","10","3","1","7","1") = "9"
    & skf18("2","7","10","3","1","8","1") = "9"
    & skf18("2","7","10","3","1","9","1") = "9"
    & skf18("2","7","10","3","1","10","1") = "9"
    & skf18("2","7","10","3","2","1","1") = "9"
    & skf18("2","7","10","3","2","2","1") = "9"
    & skf18("2","7","10","3","2","3","1") = "9"
    & skf18("2","7","10","3","2","4","1") = "9"
    & skf18("2","7","10","3","2","5","1") = "9"
    & skf18("2","7","10","3","2","6","1") = "9"
    & skf18("2","7","10","3","2","7","1") = "9"
    & skf18("2","7","10","3","2","8","1") = "9"
    & skf18("2","7","10","3","2","9","1") = "9"
    & skf18("2","7","10","3","2","10","1") = "9"
    & skf18("2","7","10","3","3","1","1") = "9"
    & skf18("2","7","10","3","3","2","1") = "9"
    & skf18("2","7","10","3","3","3","1") = "9"
    & skf18("2","7","10","3","3","4","1") = "9"
    & skf18("2","7","10","3","3","5","1") = "9"
    & skf18("2","7","10","3","3","6","1") = "9"
    & skf18("2","7","10","3","3","7","1") = "9"
    & skf18("2","7","10","3","3","8","1") = "9"
    & skf18("2","7","10","3","3","9","1") = "9"
    & skf18("2","7","10","3","3","10","1") = "9"
    & skf18("2","7","10","3","4","1","1") = "9"
    & skf18("2","7","10","3","4","2","1") = "9"
    & skf18("2","7","10","3","4","3","1") = "9"
    & skf18("2","7","10","3","4","4","1") = "9"
    & skf18("2","7","10","3","4","5","1") = "9"
    & skf18("2","7","10","3","4","6","1") = "9"
    & skf18("2","7","10","3","4","7","1") = "9"
    & skf18("2","7","10","3","4","8","1") = "9"
    & skf18("2","7","10","3","4","9","1") = "9"
    & skf18("2","7","10","3","4","10","1") = "9"
    & skf18("2","7","10","3","5","1","1") = "9"
    & skf18("2","7","10","3","5","2","1") = "9"
    & skf18("2","7","10","3","5","3","1") = "9"
    & skf18("2","7","10","3","5","4","1") = "9"
    & skf18("2","7","10","3","5","5","1") = "9"
    & skf18("2","7","10","3","5","6","1") = "9"
    & skf18("2","7","10","3","5","7","1") = "9"
    & skf18("2","7","10","3","5","8","1") = "9"
    & skf18("2","7","10","3","5","9","1") = "9"
    & skf18("2","7","10","3","5","10","1") = "9"
    & skf18("2","7","10","3","6","1","1") = "9"
    & skf18("2","7","10","3","6","2","1") = "9"
    & skf18("2","7","10","3","6","3","1") = "9"
    & skf18("2","7","10","3","6","4","1") = "9"
    & skf18("2","7","10","3","6","5","1") = "9"
    & skf18("2","7","10","3","6","6","1") = "9"
    & skf18("2","7","10","3","6","7","1") = "9"
    & skf18("2","7","10","3","6","8","1") = "9"
    & skf18("2","7","10","3","6","9","1") = "9"
    & skf18("2","7","10","3","6","10","1") = "9"
    & skf18("2","7","10","3","7","1","1") = "9"
    & skf18("2","7","10","3","7","2","1") = "9"
    & skf18("2","7","10","3","7","3","1") = "9"
    & skf18("2","7","10","3","7","4","1") = "9"
    & skf18("2","7","10","3","7","5","1") = "9"
    & skf18("2","7","10","3","7","6","1") = "9"
    & skf18("2","7","10","3","7","7","1") = "9"
    & skf18("2","7","10","3","7","8","1") = "9"
    & skf18("2","7","10","3","7","9","1") = "9"
    & skf18("2","7","10","3","7","10","1") = "9"
    & skf18("2","7","10","3","8","1","1") = "9"
    & skf18("2","7","10","3","8","2","1") = "9"
    & skf18("2","7","10","3","8","3","1") = "9"
    & skf18("2","7","10","3","8","4","1") = "9"
    & skf18("2","7","10","3","8","5","1") = "9"
    & skf18("2","7","10","3","8","6","1") = "9"
    & skf18("2","7","10","3","8","7","1") = "9"
    & skf18("2","7","10","3","8","8","1") = "9"
    & skf18("2","7","10","3","8","9","1") = "9"
    & skf18("2","7","10","3","8","10","1") = "9"
    & skf18("2","7","10","3","9","1","1") = "9"
    & skf18("2","7","10","3","9","2","1") = "9"
    & skf18("2","7","10","3","9","3","1") = "9"
    & skf18("2","7","10","3","9","4","1") = "9"
    & skf18("2","7","10","3","9","5","1") = "9"
    & skf18("2","7","10","3","9","6","1") = "9"
    & skf18("2","7","10","3","9","7","1") = "9"
    & skf18("2","7","10","3","9","8","1") = "9"
    & skf18("2","7","10","3","9","9","1") = "9"
    & skf18("2","7","10","3","9","10","1") = "9"
    & skf18("2","7","10","3","10","1","1") = "9"
    & skf18("2","7","10","3","10","2","1") = "9"
    & skf18("2","7","10","3","10","3","1") = "9"
    & skf18("2","7","10","3","10","4","1") = "9"
    & skf18("2","7","10","3","10","5","1") = "9"
    & skf18("2","7","10","3","10","6","1") = "9"
    & skf18("2","7","10","3","10","7","1") = "9"
    & skf18("2","7","10","3","10","8","1") = "9"
    & skf18("2","7","10","3","10","9","1") = "9"
    & skf18("2","7","10","3","10","10","1") = "9"
    & skf18("2","7","10","4","1","1","1") = "9"
    & skf18("2","7","10","4","1","2","1") = "9"
    & skf18("2","7","10","4","1","3","1") = "9"
    & skf18("2","7","10","4","1","4","1") = "9"
    & skf18("2","7","10","4","1","5","1") = "9"
    & skf18("2","7","10","4","1","6","1") = "9"
    & skf18("2","7","10","4","1","7","1") = "9"
    & skf18("2","7","10","4","1","8","1") = "9"
    & skf18("2","7","10","4","1","9","1") = "9"
    & skf18("2","7","10","4","1","10","1") = "9"
    & skf18("2","7","10","4","2","1","1") = "9"
    & skf18("2","7","10","4","2","2","1") = "9"
    & skf18("2","7","10","4","2","3","1") = "9"
    & skf18("2","7","10","4","2","4","1") = "9"
    & skf18("2","7","10","4","2","5","1") = "9"
    & skf18("2","7","10","4","2","6","1") = "9"
    & skf18("2","7","10","4","2","7","1") = "9"
    & skf18("2","7","10","4","2","8","1") = "9"
    & skf18("2","7","10","4","2","9","1") = "9"
    & skf18("2","7","10","4","2","10","1") = "9"
    & skf18("2","7","10","4","3","1","1") = "9"
    & skf18("2","7","10","4","3","2","1") = "9"
    & skf18("2","7","10","4","3","3","1") = "9"
    & skf18("2","7","10","4","3","4","1") = "9"
    & skf18("2","7","10","4","3","5","1") = "9"
    & skf18("2","7","10","4","3","6","1") = "9"
    & skf18("2","7","10","4","3","7","1") = "9"
    & skf18("2","7","10","4","3","8","1") = "9"
    & skf18("2","7","10","4","3","9","1") = "9"
    & skf18("2","7","10","4","3","10","1") = "9"
    & skf18("2","7","10","4","4","1","1") = "9"
    & skf18("2","7","10","4","4","2","1") = "9"
    & skf18("2","7","10","4","4","3","1") = "9"
    & skf18("2","7","10","4","4","4","1") = "9"
    & skf18("2","7","10","4","4","5","1") = "9"
    & skf18("2","7","10","4","4","6","1") = "9"
    & skf18("2","7","10","4","4","7","1") = "9"
    & skf18("2","7","10","4","4","8","1") = "9"
    & skf18("2","7","10","4","4","9","1") = "9"
    & skf18("2","7","10","4","4","10","1") = "9"
    & skf18("2","7","10","4","5","1","1") = "9"
    & skf18("2","7","10","4","5","2","1") = "9"
    & skf18("2","7","10","4","5","3","1") = "9"
    & skf18("2","7","10","4","5","4","1") = "9"
    & skf18("2","7","10","4","5","5","1") = "9"
    & skf18("2","7","10","4","5","6","1") = "9"
    & skf18("2","7","10","4","5","7","1") = "9"
    & skf18("2","7","10","4","5","8","1") = "9"
    & skf18("2","7","10","4","5","9","1") = "9"
    & skf18("2","7","10","4","5","10","1") = "9"
    & skf18("2","7","10","4","6","1","1") = "9"
    & skf18("2","7","10","4","6","2","1") = "9"
    & skf18("2","7","10","4","6","3","1") = "9"
    & skf18("2","7","10","4","6","4","1") = "9"
    & skf18("2","7","10","4","6","5","1") = "9"
    & skf18("2","7","10","4","6","6","1") = "9"
    & skf18("2","7","10","4","6","7","1") = "9"
    & skf18("2","7","10","4","6","8","1") = "9"
    & skf18("2","7","10","4","6","9","1") = "9"
    & skf18("2","7","10","4","6","10","1") = "9"
    & skf18("2","7","10","4","7","1","1") = "9"
    & skf18("2","7","10","4","7","2","1") = "9"
    & skf18("2","7","10","4","7","3","1") = "9"
    & skf18("2","7","10","4","7","4","1") = "9"
    & skf18("2","7","10","4","7","5","1") = "9"
    & skf18("2","7","10","4","7","6","1") = "9"
    & skf18("2","7","10","4","7","7","1") = "9"
    & skf18("2","7","10","4","7","8","1") = "9"
    & skf18("2","7","10","4","7","9","1") = "9"
    & skf18("2","7","10","4","7","10","1") = "9"
    & skf18("2","7","10","4","8","1","1") = "9"
    & skf18("2","7","10","4","8","2","1") = "9"
    & skf18("2","7","10","4","8","3","1") = "9"
    & skf18("2","7","10","4","8","4","1") = "9"
    & skf18("2","7","10","4","8","5","1") = "9"
    & skf18("2","7","10","4","8","6","1") = "9"
    & skf18("2","7","10","4","8","7","1") = "9"
    & skf18("2","7","10","4","8","8","1") = "9"
    & skf18("2","7","10","4","8","9","1") = "9"
    & skf18("2","7","10","4","8","10","1") = "9"
    & skf18("2","7","10","4","9","1","1") = "9"
    & skf18("2","7","10","4","9","2","1") = "9"
    & skf18("2","7","10","4","9","3","1") = "9"
    & skf18("2","7","10","4","9","4","1") = "9"
    & skf18("2","7","10","4","9","5","1") = "9"
    & skf18("2","7","10","4","9","6","1") = "9"
    & skf18("2","7","10","4","9","7","1") = "9"
    & skf18("2","7","10","4","9","8","1") = "9"
    & skf18("2","7","10","4","9","9","1") = "9"
    & skf18("2","7","10","4","9","10","1") = "9"
    & skf18("2","7","10","4","10","1","1") = "9"
    & skf18("2","7","10","4","10","2","1") = "9"
    & skf18("2","7","10","4","10","3","1") = "9"
    & skf18("2","7","10","4","10","4","1") = "9"
    & skf18("2","7","10","4","10","5","1") = "9"
    & skf18("2","7","10","4","10","6","1") = "9"
    & skf18("2","7","10","4","10","7","1") = "9"
    & skf18("2","7","10","4","10","8","1") = "9"
    & skf18("2","7","10","4","10","9","1") = "9"
    & skf18("2","7","10","4","10","10","1") = "9"
    & skf18("2","7","10","5","1","1","1") = "9"
    & skf18("2","7","10","5","1","2","1") = "9"
    & skf18("2","7","10","5","1","3","1") = "9"
    & skf18("2","7","10","5","1","4","1") = "9"
    & skf18("2","7","10","5","1","5","1") = "9"
    & skf18("2","7","10","5","1","6","1") = "9"
    & skf18("2","7","10","5","1","7","1") = "9"
    & skf18("2","7","10","5","1","8","1") = "9"
    & skf18("2","7","10","5","1","9","1") = "9"
    & skf18("2","7","10","5","1","10","1") = "9"
    & skf18("2","7","10","5","2","1","1") = "9"
    & skf18("2","7","10","5","2","2","1") = "9"
    & skf18("2","7","10","5","2","3","1") = "9"
    & skf18("2","7","10","5","2","4","1") = "9"
    & skf18("2","7","10","5","2","5","1") = "9"
    & skf18("2","7","10","5","2","6","1") = "9"
    & skf18("2","7","10","5","2","7","1") = "9"
    & skf18("2","7","10","5","2","8","1") = "9"
    & skf18("2","7","10","5","2","9","1") = "9"
    & skf18("2","7","10","5","2","10","1") = "9"
    & skf18("2","7","10","5","3","1","1") = "9"
    & skf18("2","7","10","5","3","2","1") = "9"
    & skf18("2","7","10","5","3","3","1") = "9"
    & skf18("2","7","10","5","3","4","1") = "9"
    & skf18("2","7","10","5","3","5","1") = "9"
    & skf18("2","7","10","5","3","6","1") = "9"
    & skf18("2","7","10","5","3","7","1") = "9"
    & skf18("2","7","10","5","3","8","1") = "9"
    & skf18("2","7","10","5","3","9","1") = "9"
    & skf18("2","7","10","5","3","10","1") = "9"
    & skf18("2","7","10","5","4","1","1") = "9"
    & skf18("2","7","10","5","4","2","1") = "9"
    & skf18("2","7","10","5","4","3","1") = "9"
    & skf18("2","7","10","5","4","4","1") = "9"
    & skf18("2","7","10","5","4","5","1") = "9"
    & skf18("2","7","10","5","4","6","1") = "9"
    & skf18("2","7","10","5","4","7","1") = "9"
    & skf18("2","7","10","5","4","8","1") = "9"
    & skf18("2","7","10","5","4","9","1") = "9"
    & skf18("2","7","10","5","4","10","1") = "9"
    & skf18("2","7","10","5","5","1","1") = "9"
    & skf18("2","7","10","5","5","2","1") = "9"
    & skf18("2","7","10","5","5","3","1") = "9"
    & skf18("2","7","10","5","5","4","1") = "9"
    & skf18("2","7","10","5","5","5","1") = "9"
    & skf18("2","7","10","5","5","6","1") = "9"
    & skf18("2","7","10","5","5","7","1") = "9"
    & skf18("2","7","10","5","5","8","1") = "9"
    & skf18("2","7","10","5","5","9","1") = "9"
    & skf18("2","7","10","5","5","10","1") = "9"
    & skf18("2","7","10","5","6","1","1") = "9"
    & skf18("2","7","10","5","6","2","1") = "9"
    & skf18("2","7","10","5","6","3","1") = "9"
    & skf18("2","7","10","5","6","4","1") = "9"
    & skf18("2","7","10","5","6","5","1") = "9"
    & skf18("2","7","10","5","6","6","1") = "9"
    & skf18("2","7","10","5","6","7","1") = "9"
    & skf18("2","7","10","5","6","8","1") = "9"
    & skf18("2","7","10","5","6","9","1") = "9"
    & skf18("2","7","10","5","6","10","1") = "9"
    & skf18("2","7","10","5","7","1","1") = "9"
    & skf18("2","7","10","5","7","2","1") = "9"
    & skf18("2","7","10","5","7","3","1") = "9"
    & skf18("2","7","10","5","7","4","1") = "9"
    & skf18("2","7","10","5","7","5","1") = "9"
    & skf18("2","7","10","5","7","6","1") = "9"
    & skf18("2","7","10","5","7","7","1") = "9"
    & skf18("2","7","10","5","7","8","1") = "9"
    & skf18("2","7","10","5","7","9","1") = "9"
    & skf18("2","7","10","5","7","10","1") = "9"
    & skf18("2","7","10","5","8","1","1") = "9"
    & skf18("2","7","10","5","8","2","1") = "9"
    & skf18("2","7","10","5","8","3","1") = "9"
    & skf18("2","7","10","5","8","4","1") = "9"
    & skf18("2","7","10","5","8","5","1") = "9"
    & skf18("2","7","10","5","8","6","1") = "9"
    & skf18("2","7","10","5","8","7","1") = "9"
    & skf18("2","7","10","5","8","8","1") = "9"
    & skf18("2","7","10","5","8","9","1") = "9"
    & skf18("2","7","10","5","8","10","1") = "9"
    & skf18("2","7","10","5","9","1","1") = "9"
    & skf18("2","7","10","5","9","2","1") = "9"
    & skf18("2","7","10","5","9","3","1") = "9"
    & skf18("2","7","10","5","9","4","1") = "9"
    & skf18("2","7","10","5","9","5","1") = "9"
    & skf18("2","7","10","5","9","6","1") = "9"
    & skf18("2","7","10","5","9","7","1") = "9"
    & skf18("2","7","10","5","9","8","1") = "9"
    & skf18("2","7","10","5","9","9","1") = "9"
    & skf18("2","7","10","5","9","10","1") = "9"
    & skf18("2","7","10","5","10","1","1") = "9"
    & skf18("2","7","10","5","10","2","1") = "9"
    & skf18("2","7","10","5","10","3","1") = "9"
    & skf18("2","7","10","5","10","4","1") = "9"
    & skf18("2","7","10","5","10","5","1") = "9"
    & skf18("2","7","10","5","10","6","1") = "9"
    & skf18("2","7","10","5","10","7","1") = "9"
    & skf18("2","7","10","5","10","8","1") = "9"
    & skf18("2","7","10","5","10","9","1") = "9"
    & skf18("2","7","10","5","10","10","1") = "9"
    & skf18("2","7","10","6","1","1","1") = "9"
    & skf18("2","7","10","6","1","2","1") = "9"
    & skf18("2","7","10","6","1","3","1") = "9"
    & skf18("2","7","10","6","1","4","1") = "9"
    & skf18("2","7","10","6","1","5","1") = "9"
    & skf18("2","7","10","6","1","6","1") = "9"
    & skf18("2","7","10","6","1","7","1") = "9"
    & skf18("2","7","10","6","1","8","1") = "9"
    & skf18("2","7","10","6","1","9","1") = "9"
    & skf18("2","7","10","6","1","10","1") = "9"
    & skf18("2","7","10","6","2","1","1") = "9"
    & skf18("2","7","10","6","2","2","1") = "9"
    & skf18("2","7","10","6","2","3","1") = "9"
    & skf18("2","7","10","6","2","4","1") = "9"
    & skf18("2","7","10","6","2","5","1") = "9"
    & skf18("2","7","10","6","2","6","1") = "9"
    & skf18("2","7","10","6","2","7","1") = "9"
    & skf18("2","7","10","6","2","8","1") = "9"
    & skf18("2","7","10","6","2","9","1") = "9"
    & skf18("2","7","10","6","2","10","1") = "9"
    & skf18("2","7","10","6","3","1","1") = "9"
    & skf18("2","7","10","6","3","2","1") = "9"
    & skf18("2","7","10","6","3","3","1") = "9"
    & skf18("2","7","10","6","3","4","1") = "9"
    & skf18("2","7","10","6","3","5","1") = "9"
    & skf18("2","7","10","6","3","6","1") = "9"
    & skf18("2","7","10","6","3","7","1") = "9"
    & skf18("2","7","10","6","3","8","1") = "9"
    & skf18("2","7","10","6","3","9","1") = "9"
    & skf18("2","7","10","6","3","10","1") = "9"
    & skf18("2","7","10","6","4","1","1") = "9"
    & skf18("2","7","10","6","4","2","1") = "9"
    & skf18("2","7","10","6","4","3","1") = "9"
    & skf18("2","7","10","6","4","4","1") = "9"
    & skf18("2","7","10","6","4","5","1") = "9"
    & skf18("2","7","10","6","4","6","1") = "9"
    & skf18("2","7","10","6","4","7","1") = "9"
    & skf18("2","7","10","6","4","8","1") = "9"
    & skf18("2","7","10","6","4","9","1") = "9"
    & skf18("2","7","10","6","4","10","1") = "9"
    & skf18("2","7","10","6","5","1","1") = "9"
    & skf18("2","7","10","6","5","2","1") = "9"
    & skf18("2","7","10","6","5","3","1") = "9"
    & skf18("2","7","10","6","5","4","1") = "9"
    & skf18("2","7","10","6","5","5","1") = "9"
    & skf18("2","7","10","6","5","6","1") = "9"
    & skf18("2","7","10","6","5","7","1") = "9"
    & skf18("2","7","10","6","5","8","1") = "9"
    & skf18("2","7","10","6","5","9","1") = "9"
    & skf18("2","7","10","6","5","10","1") = "9"
    & skf18("2","7","10","6","6","1","1") = "9"
    & skf18("2","7","10","6","6","2","1") = "9"
    & skf18("2","7","10","6","6","3","1") = "9"
    & skf18("2","7","10","6","6","4","1") = "9"
    & skf18("2","7","10","6","6","5","1") = "9"
    & skf18("2","7","10","6","6","6","1") = "9"
    & skf18("2","7","10","6","6","7","1") = "9"
    & skf18("2","7","10","6","6","8","1") = "9"
    & skf18("2","7","10","6","6","9","1") = "9"
    & skf18("2","7","10","6","6","10","1") = "9"
    & skf18("2","7","10","6","7","1","1") = "9"
    & skf18("2","7","10","6","7","2","1") = "9"
    & skf18("2","7","10","6","7","3","1") = "9"
    & skf18("2","7","10","6","7","4","1") = "9"
    & skf18("2","7","10","6","7","5","1") = "9"
    & skf18("2","7","10","6","7","6","1") = "9"
    & skf18("2","7","10","6","7","7","1") = "9"
    & skf18("2","7","10","6","7","8","1") = "9"
    & skf18("2","7","10","6","7","9","1") = "9"
    & skf18("2","7","10","6","7","10","1") = "9"
    & skf18("2","7","10","6","8","1","1") = "9"
    & skf18("2","7","10","6","8","2","1") = "9"
    & skf18("2","7","10","6","8","3","1") = "9"
    & skf18("2","7","10","6","8","4","1") = "9"
    & skf18("2","7","10","6","8","5","1") = "9"
    & skf18("2","7","10","6","8","6","1") = "9"
    & skf18("2","7","10","6","8","7","1") = "9"
    & skf18("2","7","10","6","8","8","1") = "9"
    & skf18("2","7","10","6","8","9","1") = "9"
    & skf18("2","7","10","6","8","10","1") = "9"
    & skf18("2","7","10","6","9","1","1") = "9"
    & skf18("2","7","10","6","9","2","1") = "9"
    & skf18("2","7","10","6","9","3","1") = "9"
    & skf18("2","7","10","6","9","4","1") = "9"
    & skf18("2","7","10","6","9","5","1") = "9"
    & skf18("2","7","10","6","9","6","1") = "9"
    & skf18("2","7","10","6","9","7","1") = "9"
    & skf18("2","7","10","6","9","8","1") = "9"
    & skf18("2","7","10","6","9","9","1") = "9"
    & skf18("2","7","10","6","9","10","1") = "9"
    & skf18("2","7","10","6","10","1","1") = "9"
    & skf18("2","7","10","6","10","2","1") = "9"
    & skf18("2","7","10","6","10","3","1") = "9"
    & skf18("2","7","10","6","10","4","1") = "9"
    & skf18("2","7","10","6","10","5","1") = "9"
    & skf18("2","7","10","6","10","6","1") = "9"
    & skf18("2","7","10","6","10","7","1") = "9"
    & skf18("2","7","10","6","10","8","1") = "9"
    & skf18("2","7","10","6","10","9","1") = "9"
    & skf18("2","7","10","6","10","10","1") = "9"
    & skf18("2","7","10","7","1","1","1") = "9"
    & skf18("2","7","10","7","1","2","1") = "9"
    & skf18("2","7","10","7","1","3","1") = "9"
    & skf18("2","7","10","7","1","4","1") = "9"
    & skf18("2","7","10","7","1","5","1") = "9"
    & skf18("2","7","10","7","1","6","1") = "9"
    & skf18("2","7","10","7","1","7","1") = "9"
    & skf18("2","7","10","7","1","8","1") = "9"
    & skf18("2","7","10","7","1","9","1") = "9"
    & skf18("2","7","10","7","1","10","1") = "9"
    & skf18("2","7","10","7","2","1","1") = "9"
    & skf18("2","7","10","7","2","2","1") = "9"
    & skf18("2","7","10","7","2","3","1") = "9"
    & skf18("2","7","10","7","2","4","1") = "9"
    & skf18("2","7","10","7","2","5","1") = "9"
    & skf18("2","7","10","7","2","6","1") = "9"
    & skf18("2","7","10","7","2","7","1") = "9"
    & skf18("2","7","10","7","2","8","1") = "9"
    & skf18("2","7","10","7","2","9","1") = "9"
    & skf18("2","7","10","7","2","10","1") = "9"
    & skf18("2","7","10","7","3","1","1") = "9"
    & skf18("2","7","10","7","3","2","1") = "9"
    & skf18("2","7","10","7","3","3","1") = "9"
    & skf18("2","7","10","7","3","4","1") = "9"
    & skf18("2","7","10","7","3","5","1") = "9"
    & skf18("2","7","10","7","3","6","1") = "9"
    & skf18("2","7","10","7","3","7","1") = "9"
    & skf18("2","7","10","7","3","8","1") = "9"
    & skf18("2","7","10","7","3","9","1") = "9"
    & skf18("2","7","10","7","3","10","1") = "9"
    & skf18("2","7","10","7","4","1","1") = "9"
    & skf18("2","7","10","7","4","2","1") = "9"
    & skf18("2","7","10","7","4","3","1") = "9"
    & skf18("2","7","10","7","4","4","1") = "9"
    & skf18("2","7","10","7","4","5","1") = "9"
    & skf18("2","7","10","7","4","6","1") = "9"
    & skf18("2","7","10","7","4","7","1") = "9"
    & skf18("2","7","10","7","4","8","1") = "9"
    & skf18("2","7","10","7","4","9","1") = "9"
    & skf18("2","7","10","7","4","10","1") = "9"
    & skf18("2","7","10","7","5","1","1") = "9"
    & skf18("2","7","10","7","5","2","1") = "9"
    & skf18("2","7","10","7","5","3","1") = "9"
    & skf18("2","7","10","7","5","4","1") = "9"
    & skf18("2","7","10","7","5","5","1") = "9"
    & skf18("2","7","10","7","5","6","1") = "9"
    & skf18("2","7","10","7","5","7","1") = "9"
    & skf18("2","7","10","7","5","8","1") = "9"
    & skf18("2","7","10","7","5","9","1") = "9"
    & skf18("2","7","10","7","5","10","1") = "9"
    & skf18("2","7","10","7","6","1","1") = "9"
    & skf18("2","7","10","7","6","2","1") = "9"
    & skf18("2","7","10","7","6","3","1") = "9"
    & skf18("2","7","10","7","6","4","1") = "9"
    & skf18("2","7","10","7","6","5","1") = "9"
    & skf18("2","7","10","7","6","6","1") = "9"
    & skf18("2","7","10","7","6","7","1") = "9"
    & skf18("2","7","10","7","6","8","1") = "9"
    & skf18("2","7","10","7","6","9","1") = "9"
    & skf18("2","7","10","7","6","10","1") = "9"
    & skf18("2","7","10","7","7","1","1") = "9"
    & skf18("2","7","10","7","7","2","1") = "9"
    & skf18("2","7","10","7","7","3","1") = "9"
    & skf18("2","7","10","7","7","4","1") = "9"
    & skf18("2","7","10","7","7","5","1") = "9"
    & skf18("2","7","10","7","7","6","1") = "9"
    & skf18("2","7","10","7","7","7","1") = "9"
    & skf18("2","7","10","7","7","8","1") = "9"
    & skf18("2","7","10","7","7","9","1") = "9"
    & skf18("2","7","10","7","7","10","1") = "9"
    & skf18("2","7","10","7","8","1","1") = "9"
    & skf18("2","7","10","7","8","2","1") = "9"
    & skf18("2","7","10","7","8","3","1") = "9"
    & skf18("2","7","10","7","8","4","1") = "9"
    & skf18("2","7","10","7","8","5","1") = "9"
    & skf18("2","7","10","7","8","6","1") = "9"
    & skf18("2","7","10","7","8","7","1") = "9"
    & skf18("2","7","10","7","8","8","1") = "9"
    & skf18("2","7","10","7","8","9","1") = "9"
    & skf18("2","7","10","7","8","10","1") = "9"
    & skf18("2","7","10","7","9","1","1") = "9"
    & skf18("2","7","10","7","9","2","1") = "9"
    & skf18("2","7","10","7","9","3","1") = "9"
    & skf18("2","7","10","7","9","4","1") = "9"
    & skf18("2","7","10","7","9","5","1") = "9"
    & skf18("2","7","10","7","9","6","1") = "9"
    & skf18("2","7","10","7","9","7","1") = "9"
    & skf18("2","7","10","7","9","8","1") = "9"
    & skf18("2","7","10","7","9","9","1") = "9"
    & skf18("2","7","10","7","9","10","1") = "9"
    & skf18("2","7","10","7","10","1","1") = "9"
    & skf18("2","7","10","7","10","2","1") = "9"
    & skf18("2","7","10","7","10","3","1") = "9"
    & skf18("2","7","10","7","10","4","1") = "9"
    & skf18("2","7","10","7","10","5","1") = "9"
    & skf18("2","7","10","7","10","6","1") = "9"
    & skf18("2","7","10","7","10","7","1") = "9"
    & skf18("2","7","10","7","10","8","1") = "9"
    & skf18("2","7","10","7","10","9","1") = "9"
    & skf18("2","7","10","7","10","10","1") = "9"
    & skf18("2","7","10","8","1","1","1") = "9"
    & skf18("2","7","10","8","1","2","1") = "9"
    & skf18("2","7","10","8","1","3","1") = "9"
    & skf18("2","7","10","8","1","4","1") = "9"
    & skf18("2","7","10","8","1","5","1") = "9"
    & skf18("2","7","10","8","1","6","1") = "9"
    & skf18("2","7","10","8","1","7","1") = "9"
    & skf18("2","7","10","8","1","8","1") = "9"
    & skf18("2","7","10","8","1","9","1") = "9"
    & skf18("2","7","10","8","1","10","1") = "9"
    & skf18("2","7","10","8","2","1","1") = "9"
    & skf18("2","7","10","8","2","2","1") = "9"
    & skf18("2","7","10","8","2","3","1") = "9"
    & skf18("2","7","10","8","2","4","1") = "9"
    & skf18("2","7","10","8","2","5","1") = "9"
    & skf18("2","7","10","8","2","6","1") = "9"
    & skf18("2","7","10","8","2","7","1") = "9"
    & skf18("2","7","10","8","2","8","1") = "9"
    & skf18("2","7","10","8","2","9","1") = "9"
    & skf18("2","7","10","8","2","10","1") = "9"
    & skf18("2","7","10","8","3","1","1") = "9"
    & skf18("2","7","10","8","3","2","1") = "9"
    & skf18("2","7","10","8","3","3","1") = "9"
    & skf18("2","7","10","8","3","4","1") = "9"
    & skf18("2","7","10","8","3","5","1") = "9"
    & skf18("2","7","10","8","3","6","1") = "9"
    & skf18("2","7","10","8","3","7","1") = "9"
    & skf18("2","7","10","8","3","8","1") = "9"
    & skf18("2","7","10","8","3","9","1") = "9"
    & skf18("2","7","10","8","3","10","1") = "9"
    & skf18("2","7","10","8","4","1","1") = "9"
    & skf18("2","7","10","8","4","2","1") = "9"
    & skf18("2","7","10","8","4","3","1") = "9"
    & skf18("2","7","10","8","4","4","1") = "9"
    & skf18("2","7","10","8","4","5","1") = "9"
    & skf18("2","7","10","8","4","6","1") = "9"
    & skf18("2","7","10","8","4","7","1") = "9"
    & skf18("2","7","10","8","4","8","1") = "9"
    & skf18("2","7","10","8","4","9","1") = "9"
    & skf18("2","7","10","8","4","10","1") = "9"
    & skf18("2","7","10","8","5","1","1") = "9"
    & skf18("2","7","10","8","5","2","1") = "9"
    & skf18("2","7","10","8","5","3","1") = "9"
    & skf18("2","7","10","8","5","4","1") = "9"
    & skf18("2","7","10","8","5","5","1") = "9"
    & skf18("2","7","10","8","5","6","1") = "9"
    & skf18("2","7","10","8","5","7","1") = "9"
    & skf18("2","7","10","8","5","8","1") = "9"
    & skf18("2","7","10","8","5","9","1") = "9"
    & skf18("2","7","10","8","5","10","1") = "9"
    & skf18("2","7","10","8","6","1","1") = "9"
    & skf18("2","7","10","8","6","2","1") = "9"
    & skf18("2","7","10","8","6","3","1") = "9"
    & skf18("2","7","10","8","6","4","1") = "9"
    & skf18("2","7","10","8","6","5","1") = "9"
    & skf18("2","7","10","8","6","6","1") = "9"
    & skf18("2","7","10","8","6","7","1") = "9"
    & skf18("2","7","10","8","6","8","1") = "9"
    & skf18("2","7","10","8","6","9","1") = "9"
    & skf18("2","7","10","8","6","10","1") = "9"
    & skf18("2","7","10","8","7","1","1") = "9"
    & skf18("2","7","10","8","7","2","1") = "9"
    & skf18("2","7","10","8","7","3","1") = "9"
    & skf18("2","7","10","8","7","4","1") = "9"
    & skf18("2","7","10","8","7","5","1") = "9"
    & skf18("2","7","10","8","7","6","1") = "9"
    & skf18("2","7","10","8","7","7","1") = "9"
    & skf18("2","7","10","8","7","8","1") = "9"
    & skf18("2","7","10","8","7","9","1") = "9"
    & skf18("2","7","10","8","7","10","1") = "9"
    & skf18("2","7","10","8","8","1","1") = "9"
    & skf18("2","7","10","8","8","2","1") = "9"
    & skf18("2","7","10","8","8","3","1") = "9"
    & skf18("2","7","10","8","8","4","1") = "9"
    & skf18("2","7","10","8","8","5","1") = "9"
    & skf18("2","7","10","8","8","6","1") = "9"
    & skf18("2","7","10","8","8","7","1") = "9"
    & skf18("2","7","10","8","8","8","1") = "9"
    & skf18("2","7","10","8","8","9","1") = "9"
    & skf18("2","7","10","8","8","10","1") = "9"
    & skf18("2","7","10","8","9","1","1") = "9"
    & skf18("2","7","10","8","9","2","1") = "9"
    & skf18("2","7","10","8","9","3","1") = "9"
    & skf18("2","7","10","8","9","4","1") = "9"
    & skf18("2","7","10","8","9","5","1") = "9"
    & skf18("2","7","10","8","9","6","1") = "9"
    & skf18("2","7","10","8","9","7","1") = "9"
    & skf18("2","7","10","8","9","8","1") = "9"
    & skf18("2","7","10","8","9","9","1") = "9"
    & skf18("2","7","10","8","9","10","1") = "9"
    & skf18("2","7","10","8","10","1","1") = "9"
    & skf18("2","7","10","8","10","2","1") = "9"
    & skf18("2","7","10","8","10","3","1") = "9"
    & skf18("2","7","10","8","10","4","1") = "9"
    & skf18("2","7","10","8","10","5","1") = "9"
    & skf18("2","7","10","8","10","6","1") = "9"
    & skf18("2","7","10","8","10","7","1") = "9"
    & skf18("2","7","10","8","10","8","1") = "9"
    & skf18("2","7","10","8","10","9","1") = "9"
    & skf18("2","7","10","8","10","10","1") = "9"
    & skf18("2","7","10","9","1","1","1") = "9"
    & skf18("2","7","10","9","1","2","1") = "9"
    & skf18("2","7","10","9","1","3","1") = "9"
    & skf18("2","7","10","9","1","4","1") = "9"
    & skf18("2","7","10","9","1","5","1") = "9"
    & skf18("2","7","10","9","1","6","1") = "9"
    & skf18("2","7","10","9","1","7","1") = "9"
    & skf18("2","7","10","9","1","8","1") = "9"
    & skf18("2","7","10","9","1","9","1") = "9"
    & skf18("2","7","10","9","1","10","1") = "9"
    & skf18("2","7","10","9","2","1","1") = "9"
    & skf18("2","7","10","9","2","2","1") = "9"
    & skf18("2","7","10","9","2","3","1") = "9"
    & skf18("2","7","10","9","2","4","1") = "9"
    & skf18("2","7","10","9","2","5","1") = "9"
    & skf18("2","7","10","9","2","6","1") = "9"
    & skf18("2","7","10","9","2","7","1") = "9"
    & skf18("2","7","10","9","2","8","1") = "9"
    & skf18("2","7","10","9","2","9","1") = "9"
    & skf18("2","7","10","9","2","10","1") = "9"
    & skf18("2","7","10","9","3","1","1") = "9"
    & skf18("2","7","10","9","3","2","1") = "9"
    & skf18("2","7","10","9","3","3","1") = "9"
    & skf18("2","7","10","9","3","4","1") = "9"
    & skf18("2","7","10","9","3","5","1") = "9"
    & skf18("2","7","10","9","3","6","1") = "9"
    & skf18("2","7","10","9","3","7","1") = "9"
    & skf18("2","7","10","9","3","8","1") = "9"
    & skf18("2","7","10","9","3","9","1") = "9"
    & skf18("2","7","10","9","3","10","1") = "9"
    & skf18("2","7","10","9","4","1","1") = "9"
    & skf18("2","7","10","9","4","2","1") = "9"
    & skf18("2","7","10","9","4","3","1") = "9"
    & skf18("2","7","10","9","4","4","1") = "9"
    & skf18("2","7","10","9","4","5","1") = "9"
    & skf18("2","7","10","9","4","6","1") = "9"
    & skf18("2","7","10","9","4","7","1") = "9"
    & skf18("2","7","10","9","4","8","1") = "9"
    & skf18("2","7","10","9","4","9","1") = "9"
    & skf18("2","7","10","9","4","10","1") = "9"
    & skf18("2","7","10","9","5","1","1") = "9"
    & skf18("2","7","10","9","5","2","1") = "9"
    & skf18("2","7","10","9","5","3","1") = "9"
    & skf18("2","7","10","9","5","4","1") = "9"
    & skf18("2","7","10","9","5","5","1") = "9"
    & skf18("2","7","10","9","5","6","1") = "9"
    & skf18("2","7","10","9","5","7","1") = "9"
    & skf18("2","7","10","9","5","8","1") = "9"
    & skf18("2","7","10","9","5","9","1") = "9"
    & skf18("2","7","10","9","5","10","1") = "9"
    & skf18("2","7","10","9","6","1","1") = "9"
    & skf18("2","7","10","9","6","2","1") = "9"
    & skf18("2","7","10","9","6","3","1") = "9"
    & skf18("2","7","10","9","6","4","1") = "9"
    & skf18("2","7","10","9","6","5","1") = "9"
    & skf18("2","7","10","9","6","6","1") = "9"
    & skf18("2","7","10","9","6","7","1") = "9"
    & skf18("2","7","10","9","6","8","1") = "9"
    & skf18("2","7","10","9","6","9","1") = "9"
    & skf18("2","7","10","9","6","10","1") = "9"
    & skf18("2","7","10","9","7","1","1") = "9"
    & skf18("2","7","10","9","7","2","1") = "9"
    & skf18("2","7","10","9","7","3","1") = "9"
    & skf18("2","7","10","9","7","4","1") = "9"
    & skf18("2","7","10","9","7","5","1") = "9"
    & skf18("2","7","10","9","7","6","1") = "9"
    & skf18("2","7","10","9","7","7","1") = "9"
    & skf18("2","7","10","9","7","8","1") = "9"
    & skf18("2","7","10","9","7","9","1") = "9"
    & skf18("2","7","10","9","7","10","1") = "9"
    & skf18("2","7","10","9","8","1","1") = "9"
    & skf18("2","7","10","9","8","2","1") = "9"
    & skf18("2","7","10","9","8","3","1") = "9"
    & skf18("2","7","10","9","8","4","1") = "9"
    & skf18("2","7","10","9","8","5","1") = "9"
    & skf18("2","7","10","9","8","6","1") = "9"
    & skf18("2","7","10","9","8","7","1") = "9"
    & skf18("2","7","10","9","8","8","1") = "9"
    & skf18("2","7","10","9","8","9","1") = "9"
    & skf18("2","7","10","9","8","10","1") = "9"
    & skf18("2","7","10","9","9","1","1") = "9"
    & skf18("2","7","10","9","9","2","1") = "9"
    & skf18("2","7","10","9","9","3","1") = "9"
    & skf18("2","7","10","9","9","4","1") = "9"
    & skf18("2","7","10","9","9","5","1") = "9"
    & skf18("2","7","10","9","9","6","1") = "9"
    & skf18("2","7","10","9","9","7","1") = "9"
    & skf18("2","7","10","9","9","8","1") = "9"
    & skf18("2","7","10","9","9","9","1") = "9"
    & skf18("2","7","10","9","9","10","1") = "9"
    & skf18("2","7","10","9","10","1","1") = "9"
    & skf18("2","7","10","9","10","2","1") = "9"
    & skf18("2","7","10","9","10","3","1") = "9"
    & skf18("2","7","10","9","10","4","1") = "9"
    & skf18("2","7","10","9","10","5","1") = "9"
    & skf18("2","7","10","9","10","6","1") = "9"
    & skf18("2","7","10","9","10","7","1") = "9"
    & skf18("2","7","10","9","10","8","1") = "9"
    & skf18("2","7","10","9","10","9","1") = "9"
    & skf18("2","7","10","9","10","10","1") = "9"
    & skf18("2","7","10","10","1","1","1") = "9"
    & skf18("2","7","10","10","1","2","1") = "9"
    & skf18("2","7","10","10","1","3","1") = "9"
    & skf18("2","7","10","10","1","4","1") = "9"
    & skf18("2","7","10","10","1","5","1") = "9"
    & skf18("2","7","10","10","1","6","1") = "9"
    & skf18("2","7","10","10","1","7","1") = "9"
    & skf18("2","7","10","10","1","8","1") = "9"
    & skf18("2","7","10","10","1","9","1") = "9"
    & skf18("2","7","10","10","1","10","1") = "9"
    & skf18("2","7","10","10","2","1","1") = "9"
    & skf18("2","7","10","10","2","2","1") = "9"
    & skf18("2","7","10","10","2","3","1") = "9"
    & skf18("2","7","10","10","2","4","1") = "9"
    & skf18("2","7","10","10","2","5","1") = "9"
    & skf18("2","7","10","10","2","6","1") = "9"
    & skf18("2","7","10","10","2","7","1") = "9"
    & skf18("2","7","10","10","2","8","1") = "9"
    & skf18("2","7","10","10","2","9","1") = "9"
    & skf18("2","7","10","10","2","10","1") = "9"
    & skf18("2","7","10","10","3","1","1") = "9"
    & skf18("2","7","10","10","3","2","1") = "9"
    & skf18("2","7","10","10","3","3","1") = "9"
    & skf18("2","7","10","10","3","4","1") = "9"
    & skf18("2","7","10","10","3","5","1") = "9"
    & skf18("2","7","10","10","3","6","1") = "9"
    & skf18("2","7","10","10","3","7","1") = "9"
    & skf18("2","7","10","10","3","8","1") = "9"
    & skf18("2","7","10","10","3","9","1") = "9"
    & skf18("2","7","10","10","3","10","1") = "9"
    & skf18("2","7","10","10","4","1","1") = "9"
    & skf18("2","7","10","10","4","2","1") = "9"
    & skf18("2","7","10","10","4","3","1") = "9"
    & skf18("2","7","10","10","4","4","1") = "9"
    & skf18("2","7","10","10","4","5","1") = "9"
    & skf18("2","7","10","10","4","6","1") = "9"
    & skf18("2","7","10","10","4","7","1") = "9"
    & skf18("2","7","10","10","4","8","1") = "9"
    & skf18("2","7","10","10","4","9","1") = "9"
    & skf18("2","7","10","10","4","10","1") = "9"
    & skf18("2","7","10","10","5","1","1") = "9"
    & skf18("2","7","10","10","5","2","1") = "9"
    & skf18("2","7","10","10","5","3","1") = "9"
    & skf18("2","7","10","10","5","4","1") = "9"
    & skf18("2","7","10","10","5","5","1") = "9"
    & skf18("2","7","10","10","5","6","1") = "9"
    & skf18("2","7","10","10","5","7","1") = "9"
    & skf18("2","7","10","10","5","8","1") = "9"
    & skf18("2","7","10","10","5","9","1") = "9"
    & skf18("2","7","10","10","5","10","1") = "9"
    & skf18("2","7","10","10","6","1","1") = "9"
    & skf18("2","7","10","10","6","2","1") = "9"
    & skf18("2","7","10","10","6","3","1") = "9"
    & skf18("2","7","10","10","6","4","1") = "9"
    & skf18("2","7","10","10","6","5","1") = "9"
    & skf18("2","7","10","10","6","6","1") = "9"
    & skf18("2","7","10","10","6","7","1") = "9"
    & skf18("2","7","10","10","6","8","1") = "9"
    & skf18("2","7","10","10","6","9","1") = "9"
    & skf18("2","7","10","10","6","10","1") = "9"
    & skf18("2","7","10","10","7","1","1") = "9"
    & skf18("2","7","10","10","7","2","1") = "9"
    & skf18("2","7","10","10","7","3","1") = "9"
    & skf18("2","7","10","10","7","4","1") = "9"
    & skf18("2","7","10","10","7","5","1") = "9"
    & skf18("2","7","10","10","7","6","1") = "9"
    & skf18("2","7","10","10","7","7","1") = "9"
    & skf18("2","7","10","10","7","8","1") = "9"
    & skf18("2","7","10","10","7","9","1") = "9"
    & skf18("2","7","10","10","7","10","1") = "9"
    & skf18("2","7","10","10","8","1","1") = "9"
    & skf18("2","7","10","10","8","2","1") = "9"
    & skf18("2","7","10","10","8","3","1") = "9"
    & skf18("2","7","10","10","8","4","1") = "9"
    & skf18("2","7","10","10","8","5","1") = "9"
    & skf18("2","7","10","10","8","6","1") = "9"
    & skf18("2","7","10","10","8","7","1") = "9"
    & skf18("2","7","10","10","8","8","1") = "9"
    & skf18("2","7","10","10","8","9","1") = "9"
    & skf18("2","7","10","10","8","10","1") = "9"
    & skf18("2","7","10","10","9","1","1") = "9"
    & skf18("2","7","10","10","9","2","1") = "9"
    & skf18("2","7","10","10","9","3","1") = "9"
    & skf18("2","7","10","10","9","4","1") = "9"
    & skf18("2","7","10","10","9","5","1") = "9"
    & skf18("2","7","10","10","9","6","1") = "9"
    & skf18("2","7","10","10","9","7","1") = "9"
    & skf18("2","7","10","10","9","8","1") = "9"
    & skf18("2","7","10","10","9","9","1") = "9"
    & skf18("2","7","10","10","9","10","1") = "9"
    & skf18("2","7","10","10","10","1","1") = "9"
    & skf18("2","7","10","10","10","2","1") = "9"
    & skf18("2","7","10","10","10","3","1") = "9"
    & skf18("2","7","10","10","10","4","1") = "9"
    & skf18("2","7","10","10","10","5","1") = "9"
    & skf18("2","7","10","10","10","6","1") = "9"
    & skf18("2","7","10","10","10","7","1") = "9"
    & skf18("2","7","10","10","10","8","1") = "9"
    & skf18("2","7","10","10","10","9","1") = "9"
    & skf18("2","7","10","10","10","10","1") = "9"
    & skf18("2","8","1","1","1","1","1") = "7"
    & skf18("2","8","1","1","1","2","1") = "7"
    & skf18("2","8","1","1","1","3","1") = "7"
    & skf18("2","8","1","1","1","4","1") = "7"
    & skf18("2","8","1","1","1","5","1") = "7"
    & skf18("2","8","1","1","1","6","1") = "7"
    & skf18("2","8","1","1","1","7","1") = "7"
    & skf18("2","8","1","1","1","8","1") = "7"
    & skf18("2","8","1","1","1","9","1") = "8"
    & skf18("2","8","1","1","1","10","1") = "9"
    & skf18("2","8","1","1","2","1","1") = "7"
    & skf18("2","8","1","1","2","2","1") = "7"
    & skf18("2","8","1","1","2","3","1") = "7"
    & skf18("2","8","1","1","2","4","1") = "7"
    & skf18("2","8","1","1","2","5","1") = "7"
    & skf18("2","8","1","1","2","6","1") = "7"
    & skf18("2","8","1","1","2","7","1") = "7"
    & skf18("2","8","1","1","2","8","1") = "7"
    & skf18("2","8","1","1","2","9","1") = "8"
    & skf18("2","8","1","1","2","10","1") = "9"
    & skf18("2","8","1","1","3","1","1") = "7"
    & skf18("2","8","1","1","3","2","1") = "7"
    & skf18("2","8","1","1","3","3","1") = "7"
    & skf18("2","8","1","1","3","4","1") = "7"
    & skf18("2","8","1","1","3","5","1") = "7"
    & skf18("2","8","1","1","3","6","1") = "7"
    & skf18("2","8","1","1","3","7","1") = "7"
    & skf18("2","8","1","1","3","8","1") = "7"
    & skf18("2","8","1","1","3","9","1") = "8"
    & skf18("2","8","1","1","3","10","1") = "9"
    & skf18("2","8","1","1","4","1","1") = "7"
    & skf18("2","8","1","1","4","2","1") = "7"
    & skf18("2","8","1","1","4","3","1") = "7"
    & skf18("2","8","1","1","4","4","1") = "7"
    & skf18("2","8","1","1","4","5","1") = "7"
    & skf18("2","8","1","1","4","6","1") = "7"
    & skf18("2","8","1","1","4","7","1") = "7"
    & skf18("2","8","1","1","4","8","1") = "7"
    & skf18("2","8","1","1","4","9","1") = "8"
    & skf18("2","8","1","1","4","10","1") = "9"
    & skf18("2","8","1","1","5","1","1") = "7"
    & skf18("2","8","1","1","5","2","1") = "7"
    & skf18("2","8","1","1","5","3","1") = "7"
    & skf18("2","8","1","1","5","4","1") = "7"
    & skf18("2","8","1","1","5","5","1") = "7"
    & skf18("2","8","1","1","5","6","1") = "7"
    & skf18("2","8","1","1","5","7","1") = "7"
    & skf18("2","8","1","1","5","8","1") = "7"
    & skf18("2","8","1","1","5","9","1") = "8"
    & skf18("2","8","1","1","5","10","1") = "9"
    & skf18("2","8","1","1","6","1","1") = "7"
    & skf18("2","8","1","1","6","2","1") = "7"
    & skf18("2","8","1","1","6","3","1") = "7"
    & skf18("2","8","1","1","6","4","1") = "7"
    & skf18("2","8","1","1","6","5","1") = "7"
    & skf18("2","8","1","1","6","6","1") = "7"
    & skf18("2","8","1","1","6","7","1") = "7"
    & skf18("2","8","1","1","6","8","1") = "7"
    & skf18("2","8","1","1","6","9","1") = "8"
    & skf18("2","8","1","1","6","10","1") = "9"
    & skf18("2","8","1","1","7","1","1") = "7"
    & skf18("2","8","1","1","7","2","1") = "7"
    & skf18("2","8","1","1","7","3","1") = "7"
    & skf18("2","8","1","1","7","4","1") = "7"
    & skf18("2","8","1","1","7","5","1") = "7"
    & skf18("2","8","1","1","7","6","1") = "7"
    & skf18("2","8","1","1","7","7","1") = "7"
    & skf18("2","8","1","1","7","8","1") = "7"
    & skf18("2","8","1","1","7","9","1") = "8"
    & skf18("2","8","1","1","7","10","1") = "9"
    & skf18("2","8","1","1","8","1","1") = "7"
    & skf18("2","8","1","1","8","2","1") = "7"
    & skf18("2","8","1","1","8","3","1") = "7"
    & skf18("2","8","1","1","8","4","1") = "7"
    & skf18("2","8","1","1","8","5","1") = "7"
    & skf18("2","8","1","1","8","6","1") = "7"
    & skf18("2","8","1","1","8","7","1") = "7"
    & skf18("2","8","1","1","8","8","1") = "7"
    & skf18("2","8","1","1","8","9","1") = "8"
    & skf18("2","8","1","1","8","10","1") = "9"
    & skf18("2","8","1","1","9","1","1") = "8"
    & skf18("2","8","1","1","9","2","1") = "8"
    & skf18("2","8","1","1","9","3","1") = "8"
    & skf18("2","8","1","1","9","4","1") = "8"
    & skf18("2","8","1","1","9","5","1") = "8"
    & skf18("2","8","1","1","9","6","1") = "8"
    & skf18("2","8","1","1","9","7","1") = "8"
    & skf18("2","8","1","1","9","8","1") = "8"
    & skf18("2","8","1","1","9","9","1") = "8"
    & skf18("2","8","1","1","9","10","1") = "9"
    & skf18("2","8","1","1","10","1","1") = "9"
    & skf18("2","8","1","1","10","2","1") = "9"
    & skf18("2","8","1","1","10","3","1") = "9"
    & skf18("2","8","1","1","10","4","1") = "9"
    & skf18("2","8","1","1","10","5","1") = "9"
    & skf18("2","8","1","1","10","6","1") = "9"
    & skf18("2","8","1","1","10","7","1") = "9"
    & skf18("2","8","1","1","10","8","1") = "9"
    & skf18("2","8","1","1","10","9","1") = "9"
    & skf18("2","8","1","1","10","10","1") = "9"
    & skf18("2","8","1","2","1","1","1") = "7"
    & skf18("2","8","1","2","1","2","1") = "7"
    & skf18("2","8","1","2","1","3","1") = "7"
    & skf18("2","8","1","2","1","4","1") = "7"
    & skf18("2","8","1","2","1","5","1") = "7"
    & skf18("2","8","1","2","1","6","1") = "7"
    & skf18("2","8","1","2","1","7","1") = "7"
    & skf18("2","8","1","2","1","8","1") = "7"
    & skf18("2","8","1","2","1","9","1") = "8"
    & skf18("2","8","1","2","1","10","1") = "9"
    & skf18("2","8","1","2","2","1","1") = "7"
    & skf18("2","8","1","2","2","2","1") = "7"
    & skf18("2","8","1","2","2","3","1") = "7"
    & skf18("2","8","1","2","2","4","1") = "7"
    & skf18("2","8","1","2","2","5","1") = "7"
    & skf18("2","8","1","2","2","6","1") = "7"
    & skf18("2","8","1","2","2","7","1") = "7"
    & skf18("2","8","1","2","2","8","1") = "7"
    & skf18("2","8","1","2","2","9","1") = "8"
    & skf18("2","8","1","2","2","10","1") = "9"
    & skf18("2","8","1","2","3","1","1") = "7"
    & skf18("2","8","1","2","3","2","1") = "7"
    & skf18("2","8","1","2","3","3","1") = "7"
    & skf18("2","8","1","2","3","4","1") = "7"
    & skf18("2","8","1","2","3","5","1") = "7"
    & skf18("2","8","1","2","3","6","1") = "7"
    & skf18("2","8","1","2","3","7","1") = "7"
    & skf18("2","8","1","2","3","8","1") = "7"
    & skf18("2","8","1","2","3","9","1") = "8"
    & skf18("2","8","1","2","3","10","1") = "9"
    & skf18("2","8","1","2","4","1","1") = "7"
    & skf18("2","8","1","2","4","2","1") = "7"
    & skf18("2","8","1","2","4","3","1") = "7"
    & skf18("2","8","1","2","4","4","1") = "7"
    & skf18("2","8","1","2","4","5","1") = "7"
    & skf18("2","8","1","2","4","6","1") = "7"
    & skf18("2","8","1","2","4","7","1") = "7"
    & skf18("2","8","1","2","4","8","1") = "7"
    & skf18("2","8","1","2","4","9","1") = "8"
    & skf18("2","8","1","2","4","10","1") = "9"
    & skf18("2","8","1","2","5","1","1") = "7"
    & skf18("2","8","1","2","5","2","1") = "7"
    & skf18("2","8","1","2","5","3","1") = "7"
    & skf18("2","8","1","2","5","4","1") = "7"
    & skf18("2","8","1","2","5","5","1") = "7"
    & skf18("2","8","1","2","5","6","1") = "7"
    & skf18("2","8","1","2","5","7","1") = "7"
    & skf18("2","8","1","2","5","8","1") = "7"
    & skf18("2","8","1","2","5","9","1") = "8"
    & skf18("2","8","1","2","5","10","1") = "9"
    & skf18("2","8","1","2","6","1","1") = "7"
    & skf18("2","8","1","2","6","2","1") = "7"
    & skf18("2","8","1","2","6","3","1") = "7"
    & skf18("2","8","1","2","6","4","1") = "7"
    & skf18("2","8","1","2","6","5","1") = "7"
    & skf18("2","8","1","2","6","6","1") = "7"
    & skf18("2","8","1","2","6","7","1") = "7"
    & skf18("2","8","1","2","6","8","1") = "7"
    & skf18("2","8","1","2","6","9","1") = "8"
    & skf18("2","8","1","2","6","10","1") = "9"
    & skf18("2","8","1","2","7","1","1") = "7"
    & skf18("2","8","1","2","7","2","1") = "7"
    & skf18("2","8","1","2","7","3","1") = "7"
    & skf18("2","8","1","2","7","4","1") = "7"
    & skf18("2","8","1","2","7","5","1") = "7"
    & skf18("2","8","1","2","7","6","1") = "7"
    & skf18("2","8","1","2","7","7","1") = "7"
    & skf18("2","8","1","2","7","8","1") = "7"
    & skf18("2","8","1","2","7","9","1") = "8"
    & skf18("2","8","1","2","7","10","1") = "9"
    & skf18("2","8","1","2","8","1","1") = "7"
    & skf18("2","8","1","2","8","2","1") = "7"
    & skf18("2","8","1","2","8","3","1") = "7"
    & skf18("2","8","1","2","8","4","1") = "7"
    & skf18("2","8","1","2","8","5","1") = "7"
    & skf18("2","8","1","2","8","6","1") = "7"
    & skf18("2","8","1","2","8","7","1") = "7"
    & skf18("2","8","1","2","8","8","1") = "7"
    & skf18("2","8","1","2","8","9","1") = "8"
    & skf18("2","8","1","2","8","10","1") = "9"
    & skf18("2","8","1","2","9","1","1") = "8"
    & skf18("2","8","1","2","9","2","1") = "8"
    & skf18("2","8","1","2","9","3","1") = "8"
    & skf18("2","8","1","2","9","4","1") = "8"
    & skf18("2","8","1","2","9","5","1") = "8"
    & skf18("2","8","1","2","9","6","1") = "8"
    & skf18("2","8","1","2","9","7","1") = "8"
    & skf18("2","8","1","2","9","8","1") = "8"
    & skf18("2","8","1","2","9","9","1") = "8"
    & skf18("2","8","1","2","9","10","1") = "9"
    & skf18("2","8","1","2","10","1","1") = "9"
    & skf18("2","8","1","2","10","2","1") = "9"
    & skf18("2","8","1","2","10","3","1") = "9"
    & skf18("2","8","1","2","10","4","1") = "9"
    & skf18("2","8","1","2","10","5","1") = "9"
    & skf18("2","8","1","2","10","6","1") = "9"
    & skf18("2","8","1","2","10","7","1") = "9"
    & skf18("2","8","1","2","10","8","1") = "9"
    & skf18("2","8","1","2","10","9","1") = "9"
    & skf18("2","8","1","2","10","10","1") = "9"
    & skf18("2","8","1","3","1","1","1") = "7"
    & skf18("2","8","1","3","1","2","1") = "7"
    & skf18("2","8","1","3","1","3","1") = "7"
    & skf18("2","8","1","3","1","4","1") = "7"
    & skf18("2","8","1","3","1","5","1") = "7"
    & skf18("2","8","1","3","1","6","1") = "7"
    & skf18("2","8","1","3","1","7","1") = "7"
    & skf18("2","8","1","3","1","8","1") = "7"
    & skf18("2","8","1","3","1","9","1") = "8"
    & skf18("2","8","1","3","1","10","1") = "9"
    & skf18("2","8","1","3","2","1","1") = "7"
    & skf18("2","8","1","3","2","2","1") = "7"
    & skf18("2","8","1","3","2","3","1") = "7"
    & skf18("2","8","1","3","2","4","1") = "7"
    & skf18("2","8","1","3","2","5","1") = "7"
    & skf18("2","8","1","3","2","6","1") = "7"
    & skf18("2","8","1","3","2","7","1") = "7"
    & skf18("2","8","1","3","2","8","1") = "7"
    & skf18("2","8","1","3","2","9","1") = "8"
    & skf18("2","8","1","3","2","10","1") = "9"
    & skf18("2","8","1","3","3","1","1") = "7"
    & skf18("2","8","1","3","3","2","1") = "7"
    & skf18("2","8","1","3","3","3","1") = "7"
    & skf18("2","8","1","3","3","4","1") = "7"
    & skf18("2","8","1","3","3","5","1") = "7"
    & skf18("2","8","1","3","3","6","1") = "7"
    & skf18("2","8","1","3","3","7","1") = "7"
    & skf18("2","8","1","3","3","8","1") = "7"
    & skf18("2","8","1","3","3","9","1") = "8"
    & skf18("2","8","1","3","3","10","1") = "9"
    & skf18("2","8","1","3","4","1","1") = "7"
    & skf18("2","8","1","3","4","2","1") = "7"
    & skf18("2","8","1","3","4","3","1") = "7"
    & skf18("2","8","1","3","4","4","1") = "7"
    & skf18("2","8","1","3","4","5","1") = "7"
    & skf18("2","8","1","3","4","6","1") = "7"
    & skf18("2","8","1","3","4","7","1") = "7"
    & skf18("2","8","1","3","4","8","1") = "7"
    & skf18("2","8","1","3","4","9","1") = "8"
    & skf18("2","8","1","3","4","10","1") = "9"
    & skf18("2","8","1","3","5","1","1") = "7"
    & skf18("2","8","1","3","5","2","1") = "7"
    & skf18("2","8","1","3","5","3","1") = "7"
    & skf18("2","8","1","3","5","4","1") = "7"
    & skf18("2","8","1","3","5","5","1") = "7"
    & skf18("2","8","1","3","5","6","1") = "7"
    & skf18("2","8","1","3","5","7","1") = "7"
    & skf18("2","8","1","3","5","8","1") = "7"
    & skf18("2","8","1","3","5","9","1") = "8"
    & skf18("2","8","1","3","5","10","1") = "9"
    & skf18("2","8","1","3","6","1","1") = "7"
    & skf18("2","8","1","3","6","2","1") = "7"
    & skf18("2","8","1","3","6","3","1") = "7"
    & skf18("2","8","1","3","6","4","1") = "7"
    & skf18("2","8","1","3","6","5","1") = "7"
    & skf18("2","8","1","3","6","6","1") = "7"
    & skf18("2","8","1","3","6","7","1") = "7"
    & skf18("2","8","1","3","6","8","1") = "7"
    & skf18("2","8","1","3","6","9","1") = "8"
    & skf18("2","8","1","3","6","10","1") = "9"
    & skf18("2","8","1","3","7","1","1") = "7"
    & skf18("2","8","1","3","7","2","1") = "7"
    & skf18("2","8","1","3","7","3","1") = "7"
    & skf18("2","8","1","3","7","4","1") = "7"
    & skf18("2","8","1","3","7","5","1") = "7"
    & skf18("2","8","1","3","7","6","1") = "7"
    & skf18("2","8","1","3","7","7","1") = "7"
    & skf18("2","8","1","3","7","8","1") = "7"
    & skf18("2","8","1","3","7","9","1") = "8"
    & skf18("2","8","1","3","7","10","1") = "9"
    & skf18("2","8","1","3","8","1","1") = "7"
    & skf18("2","8","1","3","8","2","1") = "7"
    & skf18("2","8","1","3","8","3","1") = "7"
    & skf18("2","8","1","3","8","4","1") = "7"
    & skf18("2","8","1","3","8","5","1") = "7"
    & skf18("2","8","1","3","8","6","1") = "7"
    & skf18("2","8","1","3","8","7","1") = "7"
    & skf18("2","8","1","3","8","8","1") = "7"
    & skf18("2","8","1","3","8","9","1") = "8"
    & skf18("2","8","1","3","8","10","1") = "9"
    & skf18("2","8","1","3","9","1","1") = "8"
    & skf18("2","8","1","3","9","2","1") = "8"
    & skf18("2","8","1","3","9","3","1") = "8"
    & skf18("2","8","1","3","9","4","1") = "8"
    & skf18("2","8","1","3","9","5","1") = "8"
    & skf18("2","8","1","3","9","6","1") = "8"
    & skf18("2","8","1","3","9","7","1") = "8"
    & skf18("2","8","1","3","9","8","1") = "8"
    & skf18("2","8","1","3","9","9","1") = "8"
    & skf18("2","8","1","3","9","10","1") = "9"
    & skf18("2","8","1","3","10","1","1") = "9"
    & skf18("2","8","1","3","10","2","1") = "9"
    & skf18("2","8","1","3","10","3","1") = "9"
    & skf18("2","8","1","3","10","4","1") = "9"
    & skf18("2","8","1","3","10","5","1") = "9"
    & skf18("2","8","1","3","10","6","1") = "9"
    & skf18("2","8","1","3","10","7","1") = "9"
    & skf18("2","8","1","3","10","8","1") = "9"
    & skf18("2","8","1","3","10","9","1") = "9"
    & skf18("2","8","1","3","10","10","1") = "9"
    & skf18("2","8","1","4","1","1","1") = "7"
    & skf18("2","8","1","4","1","2","1") = "7"
    & skf18("2","8","1","4","1","3","1") = "7"
    & skf18("2","8","1","4","1","4","1") = "7"
    & skf18("2","8","1","4","1","5","1") = "7"
    & skf18("2","8","1","4","1","6","1") = "7"
    & skf18("2","8","1","4","1","7","1") = "7"
    & skf18("2","8","1","4","1","8","1") = "7"
    & skf18("2","8","1","4","1","9","1") = "8"
    & skf18("2","8","1","4","1","10","1") = "9"
    & skf18("2","8","1","4","2","1","1") = "7"
    & skf18("2","8","1","4","2","2","1") = "7"
    & skf18("2","8","1","4","2","3","1") = "7"
    & skf18("2","8","1","4","2","4","1") = "7"
    & skf18("2","8","1","4","2","5","1") = "7"
    & skf18("2","8","1","4","2","6","1") = "7"
    & skf18("2","8","1","4","2","7","1") = "7"
    & skf18("2","8","1","4","2","8","1") = "7"
    & skf18("2","8","1","4","2","9","1") = "8"
    & skf18("2","8","1","4","2","10","1") = "9"
    & skf18("2","8","1","4","3","1","1") = "7"
    & skf18("2","8","1","4","3","2","1") = "7"
    & skf18("2","8","1","4","3","3","1") = "7"
    & skf18("2","8","1","4","3","4","1") = "7"
    & skf18("2","8","1","4","3","5","1") = "7"
    & skf18("2","8","1","4","3","6","1") = "7"
    & skf18("2","8","1","4","3","7","1") = "7"
    & skf18("2","8","1","4","3","8","1") = "7"
    & skf18("2","8","1","4","3","9","1") = "8"
    & skf18("2","8","1","4","3","10","1") = "9"
    & skf18("2","8","1","4","4","1","1") = "7"
    & skf18("2","8","1","4","4","2","1") = "7"
    & skf18("2","8","1","4","4","3","1") = "7"
    & skf18("2","8","1","4","4","4","1") = "7"
    & skf18("2","8","1","4","4","5","1") = "7"
    & skf18("2","8","1","4","4","6","1") = "7"
    & skf18("2","8","1","4","4","7","1") = "7"
    & skf18("2","8","1","4","4","8","1") = "7"
    & skf18("2","8","1","4","4","9","1") = "8"
    & skf18("2","8","1","4","4","10","1") = "9"
    & skf18("2","8","1","4","5","1","1") = "7"
    & skf18("2","8","1","4","5","2","1") = "7"
    & skf18("2","8","1","4","5","3","1") = "7"
    & skf18("2","8","1","4","5","4","1") = "7"
    & skf18("2","8","1","4","5","5","1") = "7"
    & skf18("2","8","1","4","5","6","1") = "7"
    & skf18("2","8","1","4","5","7","1") = "7"
    & skf18("2","8","1","4","5","8","1") = "7"
    & skf18("2","8","1","4","5","9","1") = "8"
    & skf18("2","8","1","4","5","10","1") = "9"
    & skf18("2","8","1","4","6","1","1") = "7"
    & skf18("2","8","1","4","6","2","1") = "7"
    & skf18("2","8","1","4","6","3","1") = "7"
    & skf18("2","8","1","4","6","4","1") = "7"
    & skf18("2","8","1","4","6","5","1") = "7"
    & skf18("2","8","1","4","6","6","1") = "7"
    & skf18("2","8","1","4","6","7","1") = "7"
    & skf18("2","8","1","4","6","8","1") = "7"
    & skf18("2","8","1","4","6","9","1") = "8"
    & skf18("2","8","1","4","6","10","1") = "9"
    & skf18("2","8","1","4","7","1","1") = "7"
    & skf18("2","8","1","4","7","2","1") = "7"
    & skf18("2","8","1","4","7","3","1") = "7"
    & skf18("2","8","1","4","7","4","1") = "7"
    & skf18("2","8","1","4","7","5","1") = "7"
    & skf18("2","8","1","4","7","6","1") = "7"
    & skf18("2","8","1","4","7","7","1") = "7"
    & skf18("2","8","1","4","7","8","1") = "7"
    & skf18("2","8","1","4","7","9","1") = "8"
    & skf18("2","8","1","4","7","10","1") = "9"
    & skf18("2","8","1","4","8","1","1") = "7"
    & skf18("2","8","1","4","8","2","1") = "7"
    & skf18("2","8","1","4","8","3","1") = "7"
    & skf18("2","8","1","4","8","4","1") = "7"
    & skf18("2","8","1","4","8","5","1") = "7"
    & skf18("2","8","1","4","8","6","1") = "7"
    & skf18("2","8","1","4","8","7","1") = "7"
    & skf18("2","8","1","4","8","8","1") = "7"
    & skf18("2","8","1","4","8","9","1") = "8"
    & skf18("2","8","1","4","8","10","1") = "9"
    & skf18("2","8","1","4","9","1","1") = "8"
    & skf18("2","8","1","4","9","2","1") = "8"
    & skf18("2","8","1","4","9","3","1") = "8"
    & skf18("2","8","1","4","9","4","1") = "8"
    & skf18("2","8","1","4","9","5","1") = "8"
    & skf18("2","8","1","4","9","6","1") = "8"
    & skf18("2","8","1","4","9","7","1") = "8"
    & skf18("2","8","1","4","9","8","1") = "8"
    & skf18("2","8","1","4","9","9","1") = "8"
    & skf18("2","8","1","4","9","10","1") = "9"
    & skf18("2","8","1","4","10","1","1") = "9"
    & skf18("2","8","1","4","10","2","1") = "9"
    & skf18("2","8","1","4","10","3","1") = "9"
    & skf18("2","8","1","4","10","4","1") = "9"
    & skf18("2","8","1","4","10","5","1") = "9"
    & skf18("2","8","1","4","10","6","1") = "9"
    & skf18("2","8","1","4","10","7","1") = "9"
    & skf18("2","8","1","4","10","8","1") = "9"
    & skf18("2","8","1","4","10","9","1") = "9"
    & skf18("2","8","1","4","10","10","1") = "9"
    & skf18("2","8","1","5","1","1","1") = "7"
    & skf18("2","8","1","5","1","2","1") = "7"
    & skf18("2","8","1","5","1","3","1") = "7"
    & skf18("2","8","1","5","1","4","1") = "7"
    & skf18("2","8","1","5","1","5","1") = "7"
    & skf18("2","8","1","5","1","6","1") = "7"
    & skf18("2","8","1","5","1","7","1") = "7"
    & skf18("2","8","1","5","1","8","1") = "7"
    & skf18("2","8","1","5","1","9","1") = "8"
    & skf18("2","8","1","5","1","10","1") = "9"
    & skf18("2","8","1","5","2","1","1") = "7"
    & skf18("2","8","1","5","2","2","1") = "7"
    & skf18("2","8","1","5","2","3","1") = "7"
    & skf18("2","8","1","5","2","4","1") = "7"
    & skf18("2","8","1","5","2","5","1") = "7"
    & skf18("2","8","1","5","2","6","1") = "7"
    & skf18("2","8","1","5","2","7","1") = "7"
    & skf18("2","8","1","5","2","8","1") = "7"
    & skf18("2","8","1","5","2","9","1") = "8"
    & skf18("2","8","1","5","2","10","1") = "9"
    & skf18("2","8","1","5","3","1","1") = "7"
    & skf18("2","8","1","5","3","2","1") = "7"
    & skf18("2","8","1","5","3","3","1") = "7"
    & skf18("2","8","1","5","3","4","1") = "7"
    & skf18("2","8","1","5","3","5","1") = "7"
    & skf18("2","8","1","5","3","6","1") = "7"
    & skf18("2","8","1","5","3","7","1") = "7"
    & skf18("2","8","1","5","3","8","1") = "7"
    & skf18("2","8","1","5","3","9","1") = "8"
    & skf18("2","8","1","5","3","10","1") = "9"
    & skf18("2","8","1","5","4","1","1") = "7"
    & skf18("2","8","1","5","4","2","1") = "7"
    & skf18("2","8","1","5","4","3","1") = "7"
    & skf18("2","8","1","5","4","4","1") = "7"
    & skf18("2","8","1","5","4","5","1") = "7"
    & skf18("2","8","1","5","4","6","1") = "7"
    & skf18("2","8","1","5","4","7","1") = "7"
    & skf18("2","8","1","5","4","8","1") = "7"
    & skf18("2","8","1","5","4","9","1") = "8"
    & skf18("2","8","1","5","4","10","1") = "9"
    & skf18("2","8","1","5","5","1","1") = "7"
    & skf18("2","8","1","5","5","2","1") = "7"
    & skf18("2","8","1","5","5","3","1") = "7"
    & skf18("2","8","1","5","5","4","1") = "7"
    & skf18("2","8","1","5","5","5","1") = "7"
    & skf18("2","8","1","5","5","6","1") = "7"
    & skf18("2","8","1","5","5","7","1") = "7"
    & skf18("2","8","1","5","5","8","1") = "7"
    & skf18("2","8","1","5","5","9","1") = "8"
    & skf18("2","8","1","5","5","10","1") = "9"
    & skf18("2","8","1","5","6","1","1") = "7"
    & skf18("2","8","1","5","6","2","1") = "7"
    & skf18("2","8","1","5","6","3","1") = "7"
    & skf18("2","8","1","5","6","4","1") = "7"
    & skf18("2","8","1","5","6","5","1") = "7"
    & skf18("2","8","1","5","6","6","1") = "7"
    & skf18("2","8","1","5","6","7","1") = "7"
    & skf18("2","8","1","5","6","8","1") = "7"
    & skf18("2","8","1","5","6","9","1") = "8"
    & skf18("2","8","1","5","6","10","1") = "9"
    & skf18("2","8","1","5","7","1","1") = "7"
    & skf18("2","8","1","5","7","2","1") = "7"
    & skf18("2","8","1","5","7","3","1") = "7"
    & skf18("2","8","1","5","7","4","1") = "7"
    & skf18("2","8","1","5","7","5","1") = "7"
    & skf18("2","8","1","5","7","6","1") = "7"
    & skf18("2","8","1","5","7","7","1") = "7"
    & skf18("2","8","1","5","7","8","1") = "7"
    & skf18("2","8","1","5","7","9","1") = "8"
    & skf18("2","8","1","5","7","10","1") = "9"
    & skf18("2","8","1","5","8","1","1") = "7"
    & skf18("2","8","1","5","8","2","1") = "7"
    & skf18("2","8","1","5","8","3","1") = "7"
    & skf18("2","8","1","5","8","4","1") = "7"
    & skf18("2","8","1","5","8","5","1") = "7"
    & skf18("2","8","1","5","8","6","1") = "7"
    & skf18("2","8","1","5","8","7","1") = "7"
    & skf18("2","8","1","5","8","8","1") = "7"
    & skf18("2","8","1","5","8","9","1") = "8"
    & skf18("2","8","1","5","8","10","1") = "9"
    & skf18("2","8","1","5","9","1","1") = "8"
    & skf18("2","8","1","5","9","2","1") = "8"
    & skf18("2","8","1","5","9","3","1") = "8"
    & skf18("2","8","1","5","9","4","1") = "8"
    & skf18("2","8","1","5","9","5","1") = "8"
    & skf18("2","8","1","5","9","6","1") = "8"
    & skf18("2","8","1","5","9","7","1") = "8"
    & skf18("2","8","1","5","9","8","1") = "8"
    & skf18("2","8","1","5","9","9","1") = "8"
    & skf18("2","8","1","5","9","10","1") = "9"
    & skf18("2","8","1","5","10","1","1") = "9"
    & skf18("2","8","1","5","10","2","1") = "9"
    & skf18("2","8","1","5","10","3","1") = "9"
    & skf18("2","8","1","5","10","4","1") = "9"
    & skf18("2","8","1","5","10","5","1") = "9"
    & skf18("2","8","1","5","10","6","1") = "9"
    & skf18("2","8","1","5","10","7","1") = "9"
    & skf18("2","8","1","5","10","8","1") = "9"
    & skf18("2","8","1","5","10","9","1") = "9"
    & skf18("2","8","1","5","10","10","1") = "9"
    & skf18("2","8","1","6","1","1","1") = "7"
    & skf18("2","8","1","6","1","2","1") = "7"
    & skf18("2","8","1","6","1","3","1") = "7"
    & skf18("2","8","1","6","1","4","1") = "7"
    & skf18("2","8","1","6","1","5","1") = "7"
    & skf18("2","8","1","6","1","6","1") = "7"
    & skf18("2","8","1","6","1","7","1") = "7"
    & skf18("2","8","1","6","1","8","1") = "7"
    & skf18("2","8","1","6","1","9","1") = "8"
    & skf18("2","8","1","6","1","10","1") = "9"
    & skf18("2","8","1","6","2","1","1") = "7"
    & skf18("2","8","1","6","2","2","1") = "7"
    & skf18("2","8","1","6","2","3","1") = "7"
    & skf18("2","8","1","6","2","4","1") = "7"
    & skf18("2","8","1","6","2","5","1") = "7"
    & skf18("2","8","1","6","2","6","1") = "7"
    & skf18("2","8","1","6","2","7","1") = "7"
    & skf18("2","8","1","6","2","8","1") = "7"
    & skf18("2","8","1","6","2","9","1") = "8"
    & skf18("2","8","1","6","2","10","1") = "9"
    & skf18("2","8","1","6","3","1","1") = "7"
    & skf18("2","8","1","6","3","2","1") = "7"
    & skf18("2","8","1","6","3","3","1") = "7"
    & skf18("2","8","1","6","3","4","1") = "7"
    & skf18("2","8","1","6","3","5","1") = "7"
    & skf18("2","8","1","6","3","6","1") = "7"
    & skf18("2","8","1","6","3","7","1") = "7"
    & skf18("2","8","1","6","3","8","1") = "7"
    & skf18("2","8","1","6","3","9","1") = "8"
    & skf18("2","8","1","6","3","10","1") = "9"
    & skf18("2","8","1","6","4","1","1") = "7"
    & skf18("2","8","1","6","4","2","1") = "7"
    & skf18("2","8","1","6","4","3","1") = "7"
    & skf18("2","8","1","6","4","4","1") = "7"
    & skf18("2","8","1","6","4","5","1") = "7"
    & skf18("2","8","1","6","4","6","1") = "7"
    & skf18("2","8","1","6","4","7","1") = "7"
    & skf18("2","8","1","6","4","8","1") = "7"
    & skf18("2","8","1","6","4","9","1") = "8"
    & skf18("2","8","1","6","4","10","1") = "9"
    & skf18("2","8","1","6","5","1","1") = "7"
    & skf18("2","8","1","6","5","2","1") = "7"
    & skf18("2","8","1","6","5","3","1") = "7"
    & skf18("2","8","1","6","5","4","1") = "7"
    & skf18("2","8","1","6","5","5","1") = "7"
    & skf18("2","8","1","6","5","6","1") = "7"
    & skf18("2","8","1","6","5","7","1") = "7"
    & skf18("2","8","1","6","5","8","1") = "7"
    & skf18("2","8","1","6","5","9","1") = "8"
    & skf18("2","8","1","6","5","10","1") = "9"
    & skf18("2","8","1","6","6","1","1") = "7"
    & skf18("2","8","1","6","6","2","1") = "7"
    & skf18("2","8","1","6","6","3","1") = "7"
    & skf18("2","8","1","6","6","4","1") = "7"
    & skf18("2","8","1","6","6","5","1") = "7"
    & skf18("2","8","1","6","6","6","1") = "7"
    & skf18("2","8","1","6","6","7","1") = "7"
    & skf18("2","8","1","6","6","8","1") = "7"
    & skf18("2","8","1","6","6","9","1") = "8"
    & skf18("2","8","1","6","6","10","1") = "9"
    & skf18("2","8","1","6","7","1","1") = "7"
    & skf18("2","8","1","6","7","2","1") = "7"
    & skf18("2","8","1","6","7","3","1") = "7"
    & skf18("2","8","1","6","7","4","1") = "7"
    & skf18("2","8","1","6","7","5","1") = "7"
    & skf18("2","8","1","6","7","6","1") = "7"
    & skf18("2","8","1","6","7","7","1") = "7"
    & skf18("2","8","1","6","7","8","1") = "7"
    & skf18("2","8","1","6","7","9","1") = "8"
    & skf18("2","8","1","6","7","10","1") = "9"
    & skf18("2","8","1","6","8","1","1") = "7"
    & skf18("2","8","1","6","8","2","1") = "7"
    & skf18("2","8","1","6","8","3","1") = "7"
    & skf18("2","8","1","6","8","4","1") = "7"
    & skf18("2","8","1","6","8","5","1") = "7"
    & skf18("2","8","1","6","8","6","1") = "7"
    & skf18("2","8","1","6","8","7","1") = "7"
    & skf18("2","8","1","6","8","8","1") = "7"
    & skf18("2","8","1","6","8","9","1") = "8"
    & skf18("2","8","1","6","8","10","1") = "9"
    & skf18("2","8","1","6","9","1","1") = "8"
    & skf18("2","8","1","6","9","2","1") = "8"
    & skf18("2","8","1","6","9","3","1") = "8"
    & skf18("2","8","1","6","9","4","1") = "8"
    & skf18("2","8","1","6","9","5","1") = "8"
    & skf18("2","8","1","6","9","6","1") = "8"
    & skf18("2","8","1","6","9","7","1") = "8"
    & skf18("2","8","1","6","9","8","1") = "8"
    & skf18("2","8","1","6","9","9","1") = "8"
    & skf18("2","8","1","6","9","10","1") = "9"
    & skf18("2","8","1","6","10","1","1") = "9"
    & skf18("2","8","1","6","10","2","1") = "9"
    & skf18("2","8","1","6","10","3","1") = "9"
    & skf18("2","8","1","6","10","4","1") = "9"
    & skf18("2","8","1","6","10","5","1") = "9"
    & skf18("2","8","1","6","10","6","1") = "9"
    & skf18("2","8","1","6","10","7","1") = "9"
    & skf18("2","8","1","6","10","8","1") = "9"
    & skf18("2","8","1","6","10","9","1") = "9"
    & skf18("2","8","1","6","10","10","1") = "9"
    & skf18("2","8","1","7","1","1","1") = "7"
    & skf18("2","8","1","7","1","2","1") = "7"
    & skf18("2","8","1","7","1","3","1") = "7"
    & skf18("2","8","1","7","1","4","1") = "7"
    & skf18("2","8","1","7","1","5","1") = "7"
    & skf18("2","8","1","7","1","6","1") = "7"
    & skf18("2","8","1","7","1","7","1") = "7"
    & skf18("2","8","1","7","1","8","1") = "7"
    & skf18("2","8","1","7","1","9","1") = "8"
    & skf18("2","8","1","7","1","10","1") = "9"
    & skf18("2","8","1","7","2","1","1") = "7"
    & skf18("2","8","1","7","2","2","1") = "7"
    & skf18("2","8","1","7","2","3","1") = "7"
    & skf18("2","8","1","7","2","4","1") = "7"
    & skf18("2","8","1","7","2","5","1") = "7"
    & skf18("2","8","1","7","2","6","1") = "7"
    & skf18("2","8","1","7","2","7","1") = "7"
    & skf18("2","8","1","7","2","8","1") = "7"
    & skf18("2","8","1","7","2","9","1") = "8"
    & skf18("2","8","1","7","2","10","1") = "9"
    & skf18("2","8","1","7","3","1","1") = "7"
    & skf18("2","8","1","7","3","2","1") = "7"
    & skf18("2","8","1","7","3","3","1") = "7"
    & skf18("2","8","1","7","3","4","1") = "7"
    & skf18("2","8","1","7","3","5","1") = "7"
    & skf18("2","8","1","7","3","6","1") = "7"
    & skf18("2","8","1","7","3","7","1") = "7"
    & skf18("2","8","1","7","3","8","1") = "7"
    & skf18("2","8","1","7","3","9","1") = "8"
    & skf18("2","8","1","7","3","10","1") = "9"
    & skf18("2","8","1","7","4","1","1") = "7"
    & skf18("2","8","1","7","4","2","1") = "7"
    & skf18("2","8","1","7","4","3","1") = "7"
    & skf18("2","8","1","7","4","4","1") = "7"
    & skf18("2","8","1","7","4","5","1") = "7"
    & skf18("2","8","1","7","4","6","1") = "7"
    & skf18("2","8","1","7","4","7","1") = "7"
    & skf18("2","8","1","7","4","8","1") = "7"
    & skf18("2","8","1","7","4","9","1") = "8"
    & skf18("2","8","1","7","4","10","1") = "9"
    & skf18("2","8","1","7","5","1","1") = "7"
    & skf18("2","8","1","7","5","2","1") = "7"
    & skf18("2","8","1","7","5","3","1") = "7"
    & skf18("2","8","1","7","5","4","1") = "7"
    & skf18("2","8","1","7","5","5","1") = "7"
    & skf18("2","8","1","7","5","6","1") = "7"
    & skf18("2","8","1","7","5","7","1") = "7"
    & skf18("2","8","1","7","5","8","1") = "7"
    & skf18("2","8","1","7","5","9","1") = "8"
    & skf18("2","8","1","7","5","10","1") = "9"
    & skf18("2","8","1","7","6","1","1") = "7"
    & skf18("2","8","1","7","6","2","1") = "7"
    & skf18("2","8","1","7","6","3","1") = "7"
    & skf18("2","8","1","7","6","4","1") = "7"
    & skf18("2","8","1","7","6","5","1") = "7"
    & skf18("2","8","1","7","6","6","1") = "7"
    & skf18("2","8","1","7","6","7","1") = "7"
    & skf18("2","8","1","7","6","8","1") = "7"
    & skf18("2","8","1","7","6","9","1") = "8"
    & skf18("2","8","1","7","6","10","1") = "9"
    & skf18("2","8","1","7","7","1","1") = "7"
    & skf18("2","8","1","7","7","2","1") = "7"
    & skf18("2","8","1","7","7","3","1") = "7"
    & skf18("2","8","1","7","7","4","1") = "7"
    & skf18("2","8","1","7","7","5","1") = "7"
    & skf18("2","8","1","7","7","6","1") = "7"
    & skf18("2","8","1","7","7","7","1") = "7"
    & skf18("2","8","1","7","7","8","1") = "7"
    & skf18("2","8","1","7","7","9","1") = "8"
    & skf18("2","8","1","7","7","10","1") = "9"
    & skf18("2","8","1","7","8","1","1") = "7"
    & skf18("2","8","1","7","8","2","1") = "7"
    & skf18("2","8","1","7","8","3","1") = "7"
    & skf18("2","8","1","7","8","4","1") = "7"
    & skf18("2","8","1","7","8","5","1") = "7"
    & skf18("2","8","1","7","8","6","1") = "7"
    & skf18("2","8","1","7","8","7","1") = "7"
    & skf18("2","8","1","7","8","8","1") = "7"
    & skf18("2","8","1","7","8","9","1") = "8"
    & skf18("2","8","1","7","8","10","1") = "9"
    & skf18("2","8","1","7","9","1","1") = "8"
    & skf18("2","8","1","7","9","2","1") = "8"
    & skf18("2","8","1","7","9","3","1") = "8"
    & skf18("2","8","1","7","9","4","1") = "8"
    & skf18("2","8","1","7","9","5","1") = "8"
    & skf18("2","8","1","7","9","6","1") = "8"
    & skf18("2","8","1","7","9","7","1") = "8"
    & skf18("2","8","1","7","9","8","1") = "8"
    & skf18("2","8","1","7","9","9","1") = "8"
    & skf18("2","8","1","7","9","10","1") = "9"
    & skf18("2","8","1","7","10","1","1") = "9"
    & skf18("2","8","1","7","10","2","1") = "9"
    & skf18("2","8","1","7","10","3","1") = "9"
    & skf18("2","8","1","7","10","4","1") = "9"
    & skf18("2","8","1","7","10","5","1") = "9"
    & skf18("2","8","1","7","10","6","1") = "9"
    & skf18("2","8","1","7","10","7","1") = "9"
    & skf18("2","8","1","7","10","8","1") = "9"
    & skf18("2","8","1","7","10","9","1") = "9"
    & skf18("2","8","1","7","10","10","1") = "9"
    & skf18("2","8","1","8","1","1","1") = "7"
    & skf18("2","8","1","8","1","2","1") = "7"
    & skf18("2","8","1","8","1","3","1") = "7"
    & skf18("2","8","1","8","1","4","1") = "7"
    & skf18("2","8","1","8","1","5","1") = "7"
    & skf18("2","8","1","8","1","6","1") = "7"
    & skf18("2","8","1","8","1","7","1") = "7"
    & skf18("2","8","1","8","1","8","1") = "7"
    & skf18("2","8","1","8","1","9","1") = "8"
    & skf18("2","8","1","8","1","10","1") = "9"
    & skf18("2","8","1","8","2","1","1") = "7"
    & skf18("2","8","1","8","2","2","1") = "7"
    & skf18("2","8","1","8","2","3","1") = "7"
    & skf18("2","8","1","8","2","4","1") = "7"
    & skf18("2","8","1","8","2","5","1") = "7"
    & skf18("2","8","1","8","2","6","1") = "7"
    & skf18("2","8","1","8","2","7","1") = "7"
    & skf18("2","8","1","8","2","8","1") = "7"
    & skf18("2","8","1","8","2","9","1") = "8"
    & skf18("2","8","1","8","2","10","1") = "9"
    & skf18("2","8","1","8","3","1","1") = "7"
    & skf18("2","8","1","8","3","2","1") = "7"
    & skf18("2","8","1","8","3","3","1") = "7"
    & skf18("2","8","1","8","3","4","1") = "7"
    & skf18("2","8","1","8","3","5","1") = "7"
    & skf18("2","8","1","8","3","6","1") = "7"
    & skf18("2","8","1","8","3","7","1") = "7"
    & skf18("2","8","1","8","3","8","1") = "7"
    & skf18("2","8","1","8","3","9","1") = "8"
    & skf18("2","8","1","8","3","10","1") = "9"
    & skf18("2","8","1","8","4","1","1") = "7"
    & skf18("2","8","1","8","4","2","1") = "7"
    & skf18("2","8","1","8","4","3","1") = "7"
    & skf18("2","8","1","8","4","4","1") = "7"
    & skf18("2","8","1","8","4","5","1") = "7"
    & skf18("2","8","1","8","4","6","1") = "7"
    & skf18("2","8","1","8","4","7","1") = "7"
    & skf18("2","8","1","8","4","8","1") = "7"
    & skf18("2","8","1","8","4","9","1") = "8"
    & skf18("2","8","1","8","4","10","1") = "9"
    & skf18("2","8","1","8","5","1","1") = "7"
    & skf18("2","8","1","8","5","2","1") = "7"
    & skf18("2","8","1","8","5","3","1") = "7"
    & skf18("2","8","1","8","5","4","1") = "7"
    & skf18("2","8","1","8","5","5","1") = "7"
    & skf18("2","8","1","8","5","6","1") = "7"
    & skf18("2","8","1","8","5","7","1") = "7"
    & skf18("2","8","1","8","5","8","1") = "7"
    & skf18("2","8","1","8","5","9","1") = "8"
    & skf18("2","8","1","8","5","10","1") = "9"
    & skf18("2","8","1","8","6","1","1") = "7"
    & skf18("2","8","1","8","6","2","1") = "7"
    & skf18("2","8","1","8","6","3","1") = "7"
    & skf18("2","8","1","8","6","4","1") = "7"
    & skf18("2","8","1","8","6","5","1") = "7"
    & skf18("2","8","1","8","6","6","1") = "7"
    & skf18("2","8","1","8","6","7","1") = "7"
    & skf18("2","8","1","8","6","8","1") = "7"
    & skf18("2","8","1","8","6","9","1") = "8"
    & skf18("2","8","1","8","6","10","1") = "9"
    & skf18("2","8","1","8","7","1","1") = "7"
    & skf18("2","8","1","8","7","2","1") = "7"
    & skf18("2","8","1","8","7","3","1") = "7"
    & skf18("2","8","1","8","7","4","1") = "7"
    & skf18("2","8","1","8","7","5","1") = "7"
    & skf18("2","8","1","8","7","6","1") = "7"
    & skf18("2","8","1","8","7","7","1") = "7"
    & skf18("2","8","1","8","7","8","1") = "7"
    & skf18("2","8","1","8","7","9","1") = "8"
    & skf18("2","8","1","8","7","10","1") = "9"
    & skf18("2","8","1","8","8","1","1") = "7"
    & skf18("2","8","1","8","8","2","1") = "7"
    & skf18("2","8","1","8","8","3","1") = "7"
    & skf18("2","8","1","8","8","4","1") = "7"
    & skf18("2","8","1","8","8","5","1") = "7"
    & skf18("2","8","1","8","8","6","1") = "7"
    & skf18("2","8","1","8","8","7","1") = "7"
    & skf18("2","8","1","8","8","8","1") = "7"
    & skf18("2","8","1","8","8","9","1") = "8"
    & skf18("2","8","1","8","8","10","1") = "9"
    & skf18("2","8","1","8","9","1","1") = "8"
    & skf18("2","8","1","8","9","2","1") = "8"
    & skf18("2","8","1","8","9","3","1") = "8"
    & skf18("2","8","1","8","9","4","1") = "8"
    & skf18("2","8","1","8","9","5","1") = "8"
    & skf18("2","8","1","8","9","6","1") = "8"
    & skf18("2","8","1","8","9","7","1") = "8"
    & skf18("2","8","1","8","9","8","1") = "8"
    & skf18("2","8","1","8","9","9","1") = "8"
    & skf18("2","8","1","8","9","10","1") = "9"
    & skf18("2","8","1","8","10","1","1") = "9"
    & skf18("2","8","1","8","10","2","1") = "9"
    & skf18("2","8","1","8","10","3","1") = "9"
    & skf18("2","8","1","8","10","4","1") = "9"
    & skf18("2","8","1","8","10","5","1") = "9"
    & skf18("2","8","1","8","10","6","1") = "9"
    & skf18("2","8","1","8","10","7","1") = "9"
    & skf18("2","8","1","8","10","8","1") = "9"
    & skf18("2","8","1","8","10","9","1") = "9"
    & skf18("2","8","1","8","10","10","1") = "9"
    & skf18("2","8","1","9","1","1","1") = "8"
    & skf18("2","8","1","9","1","2","1") = "8"
    & skf18("2","8","1","9","1","3","1") = "8"
    & skf18("2","8","1","9","1","4","1") = "8"
    & skf18("2","8","1","9","1","5","1") = "8"
    & skf18("2","8","1","9","1","6","1") = "8"
    & skf18("2","8","1","9","1","7","1") = "8"
    & skf18("2","8","1","9","1","8","1") = "8"
    & skf18("2","8","1","9","1","9","1") = "8"
    & skf18("2","8","1","9","1","10","1") = "9"
    & skf18("2","8","1","9","2","1","1") = "8"
    & skf18("2","8","1","9","2","2","1") = "8"
    & skf18("2","8","1","9","2","3","1") = "8"
    & skf18("2","8","1","9","2","4","1") = "8"
    & skf18("2","8","1","9","2","5","1") = "8"
    & skf18("2","8","1","9","2","6","1") = "8"
    & skf18("2","8","1","9","2","7","1") = "8"
    & skf18("2","8","1","9","2","8","1") = "8"
    & skf18("2","8","1","9","2","9","1") = "8"
    & skf18("2","8","1","9","2","10","1") = "9"
    & skf18("2","8","1","9","3","1","1") = "8"
    & skf18("2","8","1","9","3","2","1") = "8"
    & skf18("2","8","1","9","3","3","1") = "8"
    & skf18("2","8","1","9","3","4","1") = "8"
    & skf18("2","8","1","9","3","5","1") = "8"
    & skf18("2","8","1","9","3","6","1") = "8"
    & skf18("2","8","1","9","3","7","1") = "8"
    & skf18("2","8","1","9","3","8","1") = "8"
    & skf18("2","8","1","9","3","9","1") = "8"
    & skf18("2","8","1","9","3","10","1") = "9"
    & skf18("2","8","1","9","4","1","1") = "8"
    & skf18("2","8","1","9","4","2","1") = "8"
    & skf18("2","8","1","9","4","3","1") = "8"
    & skf18("2","8","1","9","4","4","1") = "8"
    & skf18("2","8","1","9","4","5","1") = "8"
    & skf18("2","8","1","9","4","6","1") = "8"
    & skf18("2","8","1","9","4","7","1") = "8"
    & skf18("2","8","1","9","4","8","1") = "8"
    & skf18("2","8","1","9","4","9","1") = "8"
    & skf18("2","8","1","9","4","10","1") = "9"
    & skf18("2","8","1","9","5","1","1") = "8"
    & skf18("2","8","1","9","5","2","1") = "8"
    & skf18("2","8","1","9","5","3","1") = "8"
    & skf18("2","8","1","9","5","4","1") = "8"
    & skf18("2","8","1","9","5","5","1") = "8"
    & skf18("2","8","1","9","5","6","1") = "8"
    & skf18("2","8","1","9","5","7","1") = "8"
    & skf18("2","8","1","9","5","8","1") = "8"
    & skf18("2","8","1","9","5","9","1") = "8"
    & skf18("2","8","1","9","5","10","1") = "9"
    & skf18("2","8","1","9","6","1","1") = "8"
    & skf18("2","8","1","9","6","2","1") = "8"
    & skf18("2","8","1","9","6","3","1") = "8"
    & skf18("2","8","1","9","6","4","1") = "8"
    & skf18("2","8","1","9","6","5","1") = "8"
    & skf18("2","8","1","9","6","6","1") = "8"
    & skf18("2","8","1","9","6","7","1") = "8"
    & skf18("2","8","1","9","6","8","1") = "8"
    & skf18("2","8","1","9","6","9","1") = "8"
    & skf18("2","8","1","9","6","10","1") = "9"
    & skf18("2","8","1","9","7","1","1") = "8"
    & skf18("2","8","1","9","7","2","1") = "8"
    & skf18("2","8","1","9","7","3","1") = "8"
    & skf18("2","8","1","9","7","4","1") = "8"
    & skf18("2","8","1","9","7","5","1") = "8"
    & skf18("2","8","1","9","7","6","1") = "8"
    & skf18("2","8","1","9","7","7","1") = "8"
    & skf18("2","8","1","9","7","8","1") = "8"
    & skf18("2","8","1","9","7","9","1") = "8"
    & skf18("2","8","1","9","7","10","1") = "9"
    & skf18("2","8","1","9","8","1","1") = "8"
    & skf18("2","8","1","9","8","2","1") = "8"
    & skf18("2","8","1","9","8","3","1") = "8"
    & skf18("2","8","1","9","8","4","1") = "8"
    & skf18("2","8","1","9","8","5","1") = "8"
    & skf18("2","8","1","9","8","6","1") = "8"
    & skf18("2","8","1","9","8","7","1") = "8"
    & skf18("2","8","1","9","8","8","1") = "8"
    & skf18("2","8","1","9","8","9","1") = "8"
    & skf18("2","8","1","9","8","10","1") = "9"
    & skf18("2","8","1","9","9","1","1") = "8"
    & skf18("2","8","1","9","9","2","1") = "8"
    & skf18("2","8","1","9","9","3","1") = "8"
    & skf18("2","8","1","9","9","4","1") = "8"
    & skf18("2","8","1","9","9","5","1") = "8"
    & skf18("2","8","1","9","9","6","1") = "8"
    & skf18("2","8","1","9","9","7","1") = "8"
    & skf18("2","8","1","9","9","8","1") = "8"
    & skf18("2","8","1","9","9","9","1") = "8"
    & skf18("2","8","1","9","9","10","1") = "9"
    & skf18("2","8","1","9","10","1","1") = "9"
    & skf18("2","8","1","9","10","2","1") = "9"
    & skf18("2","8","1","9","10","3","1") = "9"
    & skf18("2","8","1","9","10","4","1") = "9"
    & skf18("2","8","1","9","10","5","1") = "9"
    & skf18("2","8","1","9","10","6","1") = "9"
    & skf18("2","8","1","9","10","7","1") = "9"
    & skf18("2","8","1","9","10","8","1") = "9"
    & skf18("2","8","1","9","10","9","1") = "9"
    & skf18("2","8","1","9","10","10","1") = "9"
    & skf18("2","8","1","10","1","1","1") = "9"
    & skf18("2","8","1","10","1","2","1") = "9"
    & skf18("2","8","1","10","1","3","1") = "9"
    & skf18("2","8","1","10","1","4","1") = "9"
    & skf18("2","8","1","10","1","5","1") = "9"
    & skf18("2","8","1","10","1","6","1") = "9"
    & skf18("2","8","1","10","1","7","1") = "9"
    & skf18("2","8","1","10","1","8","1") = "9"
    & skf18("2","8","1","10","1","9","1") = "9"
    & skf18("2","8","1","10","1","10","1") = "9"
    & skf18("2","8","1","10","2","1","1") = "9"
    & skf18("2","8","1","10","2","2","1") = "9"
    & skf18("2","8","1","10","2","3","1") = "9"
    & skf18("2","8","1","10","2","4","1") = "9"
    & skf18("2","8","1","10","2","5","1") = "9"
    & skf18("2","8","1","10","2","6","1") = "9"
    & skf18("2","8","1","10","2","7","1") = "9"
    & skf18("2","8","1","10","2","8","1") = "9"
    & skf18("2","8","1","10","2","9","1") = "9"
    & skf18("2","8","1","10","2","10","1") = "9"
    & skf18("2","8","1","10","3","1","1") = "9"
    & skf18("2","8","1","10","3","2","1") = "9"
    & skf18("2","8","1","10","3","3","1") = "9"
    & skf18("2","8","1","10","3","4","1") = "9"
    & skf18("2","8","1","10","3","5","1") = "9"
    & skf18("2","8","1","10","3","6","1") = "9"
    & skf18("2","8","1","10","3","7","1") = "9"
    & skf18("2","8","1","10","3","8","1") = "9"
    & skf18("2","8","1","10","3","9","1") = "9"
    & skf18("2","8","1","10","3","10","1") = "9"
    & skf18("2","8","1","10","4","1","1") = "9"
    & skf18("2","8","1","10","4","2","1") = "9"
    & skf18("2","8","1","10","4","3","1") = "9"
    & skf18("2","8","1","10","4","4","1") = "9"
    & skf18("2","8","1","10","4","5","1") = "9"
    & skf18("2","8","1","10","4","6","1") = "9"
    & skf18("2","8","1","10","4","7","1") = "9"
    & skf18("2","8","1","10","4","8","1") = "9"
    & skf18("2","8","1","10","4","9","1") = "9"
    & skf18("2","8","1","10","4","10","1") = "9"
    & skf18("2","8","1","10","5","1","1") = "9"
    & skf18("2","8","1","10","5","2","1") = "9"
    & skf18("2","8","1","10","5","3","1") = "9"
    & skf18("2","8","1","10","5","4","1") = "9"
    & skf18("2","8","1","10","5","5","1") = "9"
    & skf18("2","8","1","10","5","6","1") = "9"
    & skf18("2","8","1","10","5","7","1") = "9"
    & skf18("2","8","1","10","5","8","1") = "9"
    & skf18("2","8","1","10","5","9","1") = "9"
    & skf18("2","8","1","10","5","10","1") = "9"
    & skf18("2","8","1","10","6","1","1") = "9"
    & skf18("2","8","1","10","6","2","1") = "9"
    & skf18("2","8","1","10","6","3","1") = "9"
    & skf18("2","8","1","10","6","4","1") = "9"
    & skf18("2","8","1","10","6","5","1") = "9"
    & skf18("2","8","1","10","6","6","1") = "9"
    & skf18("2","8","1","10","6","7","1") = "9"
    & skf18("2","8","1","10","6","8","1") = "9"
    & skf18("2","8","1","10","6","9","1") = "9"
    & skf18("2","8","1","10","6","10","1") = "9"
    & skf18("2","8","1","10","7","1","1") = "9"
    & skf18("2","8","1","10","7","2","1") = "9"
    & skf18("2","8","1","10","7","3","1") = "9"
    & skf18("2","8","1","10","7","4","1") = "9"
    & skf18("2","8","1","10","7","5","1") = "9"
    & skf18("2","8","1","10","7","6","1") = "9"
    & skf18("2","8","1","10","7","7","1") = "9"
    & skf18("2","8","1","10","7","8","1") = "9"
    & skf18("2","8","1","10","7","9","1") = "9"
    & skf18("2","8","1","10","7","10","1") = "9"
    & skf18("2","8","1","10","8","1","1") = "9"
    & skf18("2","8","1","10","8","2","1") = "9"
    & skf18("2","8","1","10","8","3","1") = "9"
    & skf18("2","8","1","10","8","4","1") = "9"
    & skf18("2","8","1","10","8","5","1") = "9"
    & skf18("2","8","1","10","8","6","1") = "9"
    & skf18("2","8","1","10","8","7","1") = "9"
    & skf18("2","8","1","10","8","8","1") = "9"
    & skf18("2","8","1","10","8","9","1") = "9"
    & skf18("2","8","1","10","8","10","1") = "9"
    & skf18("2","8","1","10","9","1","1") = "9"
    & skf18("2","8","1","10","9","2","1") = "9"
    & skf18("2","8","1","10","9","3","1") = "9"
    & skf18("2","8","1","10","9","4","1") = "9"
    & skf18("2","8","1","10","9","5","1") = "9"
    & skf18("2","8","1","10","9","6","1") = "9"
    & skf18("2","8","1","10","9","7","1") = "9"
    & skf18("2","8","1","10","9","8","1") = "9"
    & skf18("2","8","1","10","9","9","1") = "9"
    & skf18("2","8","1","10","9","10","1") = "9"
    & skf18("2","8","1","10","10","1","1") = "9"
    & skf18("2","8","1","10","10","2","1") = "9"
    & skf18("2","8","1","10","10","3","1") = "9"
    & skf18("2","8","1","10","10","4","1") = "9"
    & skf18("2","8","1","10","10","5","1") = "9"
    & skf18("2","8","1","10","10","6","1") = "9"
    & skf18("2","8","1","10","10","7","1") = "9"
    & skf18("2","8","1","10","10","8","1") = "9"
    & skf18("2","8","1","10","10","9","1") = "9"
    & skf18("2","8","1","10","10","10","1") = "9"
    & skf18("2","8","2","1","1","1","1") = "7"
    & skf18("2","8","2","1","1","2","1") = "7"
    & skf18("2","8","2","1","1","3","1") = "7"
    & skf18("2","8","2","1","1","4","1") = "7"
    & skf18("2","8","2","1","1","5","1") = "7"
    & skf18("2","8","2","1","1","6","1") = "7"
    & skf18("2","8","2","1","1","7","1") = "7"
    & skf18("2","8","2","1","1","8","1") = "7"
    & skf18("2","8","2","1","1","9","1") = "8"
    & skf18("2","8","2","1","1","10","1") = "9"
    & skf18("2","8","2","1","2","1","1") = "7"
    & skf18("2","8","2","1","2","2","1") = "7"
    & skf18("2","8","2","1","2","3","1") = "7"
    & skf18("2","8","2","1","2","4","1") = "7"
    & skf18("2","8","2","1","2","5","1") = "7"
    & skf18("2","8","2","1","2","6","1") = "7"
    & skf18("2","8","2","1","2","7","1") = "7"
    & skf18("2","8","2","1","2","8","1") = "7"
    & skf18("2","8","2","1","2","9","1") = "8"
    & skf18("2","8","2","1","2","10","1") = "9"
    & skf18("2","8","2","1","3","1","1") = "7"
    & skf18("2","8","2","1","3","2","1") = "7"
    & skf18("2","8","2","1","3","3","1") = "7"
    & skf18("2","8","2","1","3","4","1") = "7"
    & skf18("2","8","2","1","3","5","1") = "7"
    & skf18("2","8","2","1","3","6","1") = "7"
    & skf18("2","8","2","1","3","7","1") = "7"
    & skf18("2","8","2","1","3","8","1") = "7"
    & skf18("2","8","2","1","3","9","1") = "8"
    & skf18("2","8","2","1","3","10","1") = "9"
    & skf18("2","8","2","1","4","1","1") = "7"
    & skf18("2","8","2","1","4","2","1") = "7"
    & skf18("2","8","2","1","4","3","1") = "7"
    & skf18("2","8","2","1","4","4","1") = "7"
    & skf18("2","8","2","1","4","5","1") = "7"
    & skf18("2","8","2","1","4","6","1") = "7"
    & skf18("2","8","2","1","4","7","1") = "7"
    & skf18("2","8","2","1","4","8","1") = "7"
    & skf18("2","8","2","1","4","9","1") = "8"
    & skf18("2","8","2","1","4","10","1") = "9"
    & skf18("2","8","2","1","5","1","1") = "7"
    & skf18("2","8","2","1","5","2","1") = "7"
    & skf18("2","8","2","1","5","3","1") = "7"
    & skf18("2","8","2","1","5","4","1") = "7"
    & skf18("2","8","2","1","5","5","1") = "7"
    & skf18("2","8","2","1","5","6","1") = "7"
    & skf18("2","8","2","1","5","7","1") = "7"
    & skf18("2","8","2","1","5","8","1") = "7"
    & skf18("2","8","2","1","5","9","1") = "8"
    & skf18("2","8","2","1","5","10","1") = "9"
    & skf18("2","8","2","1","6","1","1") = "7"
    & skf18("2","8","2","1","6","2","1") = "7"
    & skf18("2","8","2","1","6","3","1") = "7"
    & skf18("2","8","2","1","6","4","1") = "7"
    & skf18("2","8","2","1","6","5","1") = "7"
    & skf18("2","8","2","1","6","6","1") = "7"
    & skf18("2","8","2","1","6","7","1") = "7"
    & skf18("2","8","2","1","6","8","1") = "7"
    & skf18("2","8","2","1","6","9","1") = "8"
    & skf18("2","8","2","1","6","10","1") = "9"
    & skf18("2","8","2","1","7","1","1") = "7"
    & skf18("2","8","2","1","7","2","1") = "7"
    & skf18("2","8","2","1","7","3","1") = "7"
    & skf18("2","8","2","1","7","4","1") = "7"
    & skf18("2","8","2","1","7","5","1") = "7"
    & skf18("2","8","2","1","7","6","1") = "7"
    & skf18("2","8","2","1","7","7","1") = "7"
    & skf18("2","8","2","1","7","8","1") = "7"
    & skf18("2","8","2","1","7","9","1") = "8"
    & skf18("2","8","2","1","7","10","1") = "9"
    & skf18("2","8","2","1","8","1","1") = "7"
    & skf18("2","8","2","1","8","2","1") = "7"
    & skf18("2","8","2","1","8","3","1") = "7"
    & skf18("2","8","2","1","8","4","1") = "7"
    & skf18("2","8","2","1","8","5","1") = "7"
    & skf18("2","8","2","1","8","6","1") = "7"
    & skf18("2","8","2","1","8","7","1") = "7"
    & skf18("2","8","2","1","8","8","1") = "7"
    & skf18("2","8","2","1","8","9","1") = "8"
    & skf18("2","8","2","1","8","10","1") = "9"
    & skf18("2","8","2","1","9","1","1") = "8"
    & skf18("2","8","2","1","9","2","1") = "8"
    & skf18("2","8","2","1","9","3","1") = "8"
    & skf18("2","8","2","1","9","4","1") = "8"
    & skf18("2","8","2","1","9","5","1") = "8"
    & skf18("2","8","2","1","9","6","1") = "8"
    & skf18("2","8","2","1","9","7","1") = "8"
    & skf18("2","8","2","1","9","8","1") = "8"
    & skf18("2","8","2","1","9","9","1") = "8"
    & skf18("2","8","2","1","9","10","1") = "9"
    & skf18("2","8","2","1","10","1","1") = "9"
    & skf18("2","8","2","1","10","2","1") = "9"
    & skf18("2","8","2","1","10","3","1") = "9"
    & skf18("2","8","2","1","10","4","1") = "9"
    & skf18("2","8","2","1","10","5","1") = "9"
    & skf18("2","8","2","1","10","6","1") = "9"
    & skf18("2","8","2","1","10","7","1") = "9"
    & skf18("2","8","2","1","10","8","1") = "9"
    & skf18("2","8","2","1","10","9","1") = "9"
    & skf18("2","8","2","1","10","10","1") = "9"
    & skf18("2","8","2","2","1","1","1") = "7"
    & skf18("2","8","2","2","1","2","1") = "7"
    & skf18("2","8","2","2","1","3","1") = "7"
    & skf18("2","8","2","2","1","4","1") = "7"
    & skf18("2","8","2","2","1","5","1") = "7"
    & skf18("2","8","2","2","1","6","1") = "7"
    & skf18("2","8","2","2","1","7","1") = "7"
    & skf18("2","8","2","2","1","8","1") = "7"
    & skf18("2","8","2","2","1","9","1") = "8"
    & skf18("2","8","2","2","1","10","1") = "9"
    & skf18("2","8","2","2","2","1","1") = "7"
    & skf18("2","8","2","2","2","2","1") = "7"
    & skf18("2","8","2","2","2","3","1") = "7"
    & skf18("2","8","2","2","2","4","1") = "7"
    & skf18("2","8","2","2","2","5","1") = "7"
    & skf18("2","8","2","2","2","6","1") = "7"
    & skf18("2","8","2","2","2","7","1") = "7"
    & skf18("2","8","2","2","2","8","1") = "7"
    & skf18("2","8","2","2","2","9","1") = "8"
    & skf18("2","8","2","2","2","10","1") = "9"
    & skf18("2","8","2","2","3","1","1") = "7"
    & skf18("2","8","2","2","3","2","1") = "7"
    & skf18("2","8","2","2","3","3","1") = "7"
    & skf18("2","8","2","2","3","4","1") = "7"
    & skf18("2","8","2","2","3","5","1") = "7"
    & skf18("2","8","2","2","3","6","1") = "7"
    & skf18("2","8","2","2","3","7","1") = "7"
    & skf18("2","8","2","2","3","8","1") = "7"
    & skf18("2","8","2","2","3","9","1") = "8"
    & skf18("2","8","2","2","3","10","1") = "9"
    & skf18("2","8","2","2","4","1","1") = "7"
    & skf18("2","8","2","2","4","2","1") = "7"
    & skf18("2","8","2","2","4","3","1") = "7"
    & skf18("2","8","2","2","4","4","1") = "7"
    & skf18("2","8","2","2","4","5","1") = "7"
    & skf18("2","8","2","2","4","6","1") = "7"
    & skf18("2","8","2","2","4","7","1") = "7"
    & skf18("2","8","2","2","4","8","1") = "7"
    & skf18("2","8","2","2","4","9","1") = "8"
    & skf18("2","8","2","2","4","10","1") = "9"
    & skf18("2","8","2","2","5","1","1") = "7"
    & skf18("2","8","2","2","5","2","1") = "7"
    & skf18("2","8","2","2","5","3","1") = "7"
    & skf18("2","8","2","2","5","4","1") = "7"
    & skf18("2","8","2","2","5","5","1") = "7"
    & skf18("2","8","2","2","5","6","1") = "7"
    & skf18("2","8","2","2","5","7","1") = "7"
    & skf18("2","8","2","2","5","8","1") = "7"
    & skf18("2","8","2","2","5","9","1") = "8"
    & skf18("2","8","2","2","5","10","1") = "9"
    & skf18("2","8","2","2","6","1","1") = "7"
    & skf18("2","8","2","2","6","2","1") = "7"
    & skf18("2","8","2","2","6","3","1") = "7"
    & skf18("2","8","2","2","6","4","1") = "7"
    & skf18("2","8","2","2","6","5","1") = "7"
    & skf18("2","8","2","2","6","6","1") = "7"
    & skf18("2","8","2","2","6","7","1") = "7"
    & skf18("2","8","2","2","6","8","1") = "7"
    & skf18("2","8","2","2","6","9","1") = "8"
    & skf18("2","8","2","2","6","10","1") = "9"
    & skf18("2","8","2","2","7","1","1") = "7"
    & skf18("2","8","2","2","7","2","1") = "7"
    & skf18("2","8","2","2","7","3","1") = "7"
    & skf18("2","8","2","2","7","4","1") = "7"
    & skf18("2","8","2","2","7","5","1") = "7"
    & skf18("2","8","2","2","7","6","1") = "7"
    & skf18("2","8","2","2","7","7","1") = "7"
    & skf18("2","8","2","2","7","8","1") = "7"
    & skf18("2","8","2","2","7","9","1") = "8"
    & skf18("2","8","2","2","7","10","1") = "9"
    & skf18("2","8","2","2","8","1","1") = "7"
    & skf18("2","8","2","2","8","2","1") = "7"
    & skf18("2","8","2","2","8","3","1") = "7"
    & skf18("2","8","2","2","8","4","1") = "7"
    & skf18("2","8","2","2","8","5","1") = "7"
    & skf18("2","8","2","2","8","6","1") = "7"
    & skf18("2","8","2","2","8","7","1") = "7"
    & skf18("2","8","2","2","8","8","1") = "7"
    & skf18("2","8","2","2","8","9","1") = "8"
    & skf18("2","8","2","2","8","10","1") = "9"
    & skf18("2","8","2","2","9","1","1") = "8"
    & skf18("2","8","2","2","9","2","1") = "8"
    & skf18("2","8","2","2","9","3","1") = "8"
    & skf18("2","8","2","2","9","4","1") = "8"
    & skf18("2","8","2","2","9","5","1") = "8"
    & skf18("2","8","2","2","9","6","1") = "8"
    & skf18("2","8","2","2","9","7","1") = "8"
    & skf18("2","8","2","2","9","8","1") = "8"
    & skf18("2","8","2","2","9","9","1") = "8"
    & skf18("2","8","2","2","9","10","1") = "9"
    & skf18("2","8","2","2","10","1","1") = "9"
    & skf18("2","8","2","2","10","2","1") = "9"
    & skf18("2","8","2","2","10","3","1") = "9"
    & skf18("2","8","2","2","10","4","1") = "9"
    & skf18("2","8","2","2","10","5","1") = "9"
    & skf18("2","8","2","2","10","6","1") = "9"
    & skf18("2","8","2","2","10","7","1") = "9"
    & skf18("2","8","2","2","10","8","1") = "9"
    & skf18("2","8","2","2","10","9","1") = "9"
    & skf18("2","8","2","2","10","10","1") = "9"
    & skf18("2","8","2","3","1","1","1") = "7"
    & skf18("2","8","2","3","1","2","1") = "7"
    & skf18("2","8","2","3","1","3","1") = "7"
    & skf18("2","8","2","3","1","4","1") = "7"
    & skf18("2","8","2","3","1","5","1") = "7"
    & skf18("2","8","2","3","1","6","1") = "7"
    & skf18("2","8","2","3","1","7","1") = "7"
    & skf18("2","8","2","3","1","8","1") = "7"
    & skf18("2","8","2","3","1","9","1") = "8"
    & skf18("2","8","2","3","1","10","1") = "9"
    & skf18("2","8","2","3","2","1","1") = "7"
    & skf18("2","8","2","3","2","2","1") = "7"
    & skf18("2","8","2","3","2","3","1") = "7"
    & skf18("2","8","2","3","2","4","1") = "7"
    & skf18("2","8","2","3","2","5","1") = "7"
    & skf18("2","8","2","3","2","6","1") = "7"
    & skf18("2","8","2","3","2","7","1") = "7"
    & skf18("2","8","2","3","2","8","1") = "7"
    & skf18("2","8","2","3","2","9","1") = "8"
    & skf18("2","8","2","3","2","10","1") = "9"
    & skf18("2","8","2","3","3","1","1") = "7"
    & skf18("2","8","2","3","3","2","1") = "7"
    & skf18("2","8","2","3","3","3","1") = "7"
    & skf18("2","8","2","3","3","4","1") = "7"
    & skf18("2","8","2","3","3","5","1") = "7"
    & skf18("2","8","2","3","3","6","1") = "7"
    & skf18("2","8","2","3","3","7","1") = "7"
    & skf18("2","8","2","3","3","8","1") = "7"
    & skf18("2","8","2","3","3","9","1") = "8"
    & skf18("2","8","2","3","3","10","1") = "9"
    & skf18("2","8","2","3","4","1","1") = "7"
    & skf18("2","8","2","3","4","2","1") = "7"
    & skf18("2","8","2","3","4","3","1") = "7"
    & skf18("2","8","2","3","4","4","1") = "7"
    & skf18("2","8","2","3","4","5","1") = "7"
    & skf18("2","8","2","3","4","6","1") = "7"
    & skf18("2","8","2","3","4","7","1") = "7"
    & skf18("2","8","2","3","4","8","1") = "7"
    & skf18("2","8","2","3","4","9","1") = "8"
    & skf18("2","8","2","3","4","10","1") = "9"
    & skf18("2","8","2","3","5","1","1") = "7"
    & skf18("2","8","2","3","5","2","1") = "7"
    & skf18("2","8","2","3","5","3","1") = "7"
    & skf18("2","8","2","3","5","4","1") = "7"
    & skf18("2","8","2","3","5","5","1") = "7"
    & skf18("2","8","2","3","5","6","1") = "7"
    & skf18("2","8","2","3","5","7","1") = "7"
    & skf18("2","8","2","3","5","8","1") = "7"
    & skf18("2","8","2","3","5","9","1") = "8"
    & skf18("2","8","2","3","5","10","1") = "9"
    & skf18("2","8","2","3","6","1","1") = "7"
    & skf18("2","8","2","3","6","2","1") = "7"
    & skf18("2","8","2","3","6","3","1") = "7"
    & skf18("2","8","2","3","6","4","1") = "7"
    & skf18("2","8","2","3","6","5","1") = "7"
    & skf18("2","8","2","3","6","6","1") = "7"
    & skf18("2","8","2","3","6","7","1") = "7"
    & skf18("2","8","2","3","6","8","1") = "7"
    & skf18("2","8","2","3","6","9","1") = "8"
    & skf18("2","8","2","3","6","10","1") = "9"
    & skf18("2","8","2","3","7","1","1") = "7"
    & skf18("2","8","2","3","7","2","1") = "7"
    & skf18("2","8","2","3","7","3","1") = "7"
    & skf18("2","8","2","3","7","4","1") = "7"
    & skf18("2","8","2","3","7","5","1") = "7"
    & skf18("2","8","2","3","7","6","1") = "7"
    & skf18("2","8","2","3","7","7","1") = "7"
    & skf18("2","8","2","3","7","8","1") = "7"
    & skf18("2","8","2","3","7","9","1") = "8"
    & skf18("2","8","2","3","7","10","1") = "9"
    & skf18("2","8","2","3","8","1","1") = "7"
    & skf18("2","8","2","3","8","2","1") = "7"
    & skf18("2","8","2","3","8","3","1") = "7"
    & skf18("2","8","2","3","8","4","1") = "7"
    & skf18("2","8","2","3","8","5","1") = "7"
    & skf18("2","8","2","3","8","6","1") = "7"
    & skf18("2","8","2","3","8","7","1") = "7"
    & skf18("2","8","2","3","8","8","1") = "7"
    & skf18("2","8","2","3","8","9","1") = "8"
    & skf18("2","8","2","3","8","10","1") = "9"
    & skf18("2","8","2","3","9","1","1") = "8"
    & skf18("2","8","2","3","9","2","1") = "8"
    & skf18("2","8","2","3","9","3","1") = "8"
    & skf18("2","8","2","3","9","4","1") = "8"
    & skf18("2","8","2","3","9","5","1") = "8"
    & skf18("2","8","2","3","9","6","1") = "8"
    & skf18("2","8","2","3","9","7","1") = "8"
    & skf18("2","8","2","3","9","8","1") = "8"
    & skf18("2","8","2","3","9","9","1") = "8"
    & skf18("2","8","2","3","9","10","1") = "9"
    & skf18("2","8","2","3","10","1","1") = "9"
    & skf18("2","8","2","3","10","2","1") = "9"
    & skf18("2","8","2","3","10","3","1") = "9"
    & skf18("2","8","2","3","10","4","1") = "9"
    & skf18("2","8","2","3","10","5","1") = "9"
    & skf18("2","8","2","3","10","6","1") = "9"
    & skf18("2","8","2","3","10","7","1") = "9"
    & skf18("2","8","2","3","10","8","1") = "9"
    & skf18("2","8","2","3","10","9","1") = "9"
    & skf18("2","8","2","3","10","10","1") = "9"
    & skf18("2","8","2","4","1","1","1") = "7"
    & skf18("2","8","2","4","1","2","1") = "7"
    & skf18("2","8","2","4","1","3","1") = "7"
    & skf18("2","8","2","4","1","4","1") = "7"
    & skf18("2","8","2","4","1","5","1") = "7"
    & skf18("2","8","2","4","1","6","1") = "7"
    & skf18("2","8","2","4","1","7","1") = "7"
    & skf18("2","8","2","4","1","8","1") = "7"
    & skf18("2","8","2","4","1","9","1") = "8"
    & skf18("2","8","2","4","1","10","1") = "9"
    & skf18("2","8","2","4","2","1","1") = "7"
    & skf18("2","8","2","4","2","2","1") = "7"
    & skf18("2","8","2","4","2","3","1") = "7"
    & skf18("2","8","2","4","2","4","1") = "7"
    & skf18("2","8","2","4","2","5","1") = "7"
    & skf18("2","8","2","4","2","6","1") = "7"
    & skf18("2","8","2","4","2","7","1") = "7"
    & skf18("2","8","2","4","2","8","1") = "7"
    & skf18("2","8","2","4","2","9","1") = "8"
    & skf18("2","8","2","4","2","10","1") = "9"
    & skf18("2","8","2","4","3","1","1") = "7"
    & skf18("2","8","2","4","3","2","1") = "7"
    & skf18("2","8","2","4","3","3","1") = "7"
    & skf18("2","8","2","4","3","4","1") = "7"
    & skf18("2","8","2","4","3","5","1") = "7"
    & skf18("2","8","2","4","3","6","1") = "7"
    & skf18("2","8","2","4","3","7","1") = "7"
    & skf18("2","8","2","4","3","8","1") = "7"
    & skf18("2","8","2","4","3","9","1") = "8"
    & skf18("2","8","2","4","3","10","1") = "9"
    & skf18("2","8","2","4","4","1","1") = "7"
    & skf18("2","8","2","4","4","2","1") = "7"
    & skf18("2","8","2","4","4","3","1") = "7"
    & skf18("2","8","2","4","4","4","1") = "7"
    & skf18("2","8","2","4","4","5","1") = "7"
    & skf18("2","8","2","4","4","6","1") = "7"
    & skf18("2","8","2","4","4","7","1") = "7"
    & skf18("2","8","2","4","4","8","1") = "7"
    & skf18("2","8","2","4","4","9","1") = "8"
    & skf18("2","8","2","4","4","10","1") = "9"
    & skf18("2","8","2","4","5","1","1") = "7"
    & skf18("2","8","2","4","5","2","1") = "7"
    & skf18("2","8","2","4","5","3","1") = "7"
    & skf18("2","8","2","4","5","4","1") = "7"
    & skf18("2","8","2","4","5","5","1") = "7"
    & skf18("2","8","2","4","5","6","1") = "7"
    & skf18("2","8","2","4","5","7","1") = "7"
    & skf18("2","8","2","4","5","8","1") = "7"
    & skf18("2","8","2","4","5","9","1") = "8"
    & skf18("2","8","2","4","5","10","1") = "9"
    & skf18("2","8","2","4","6","1","1") = "7"
    & skf18("2","8","2","4","6","2","1") = "7"
    & skf18("2","8","2","4","6","3","1") = "7"
    & skf18("2","8","2","4","6","4","1") = "7"
    & skf18("2","8","2","4","6","5","1") = "7"
    & skf18("2","8","2","4","6","6","1") = "7"
    & skf18("2","8","2","4","6","7","1") = "7"
    & skf18("2","8","2","4","6","8","1") = "7"
    & skf18("2","8","2","4","6","9","1") = "8"
    & skf18("2","8","2","4","6","10","1") = "9"
    & skf18("2","8","2","4","7","1","1") = "7"
    & skf18("2","8","2","4","7","2","1") = "7"
    & skf18("2","8","2","4","7","3","1") = "7"
    & skf18("2","8","2","4","7","4","1") = "7"
    & skf18("2","8","2","4","7","5","1") = "7"
    & skf18("2","8","2","4","7","6","1") = "7"
    & skf18("2","8","2","4","7","7","1") = "7"
    & skf18("2","8","2","4","7","8","1") = "7"
    & skf18("2","8","2","4","7","9","1") = "8"
    & skf18("2","8","2","4","7","10","1") = "9"
    & skf18("2","8","2","4","8","1","1") = "7"
    & skf18("2","8","2","4","8","2","1") = "7"
    & skf18("2","8","2","4","8","3","1") = "7"
    & skf18("2","8","2","4","8","4","1") = "7"
    & skf18("2","8","2","4","8","5","1") = "7"
    & skf18("2","8","2","4","8","6","1") = "7"
    & skf18("2","8","2","4","8","7","1") = "7"
    & skf18("2","8","2","4","8","8","1") = "7"
    & skf18("2","8","2","4","8","9","1") = "8"
    & skf18("2","8","2","4","8","10","1") = "9"
    & skf18("2","8","2","4","9","1","1") = "8"
    & skf18("2","8","2","4","9","2","1") = "8"
    & skf18("2","8","2","4","9","3","1") = "8"
    & skf18("2","8","2","4","9","4","1") = "8"
    & skf18("2","8","2","4","9","5","1") = "8"
    & skf18("2","8","2","4","9","6","1") = "8"
    & skf18("2","8","2","4","9","7","1") = "8"
    & skf18("2","8","2","4","9","8","1") = "8"
    & skf18("2","8","2","4","9","9","1") = "8"
    & skf18("2","8","2","4","9","10","1") = "9"
    & skf18("2","8","2","4","10","1","1") = "9"
    & skf18("2","8","2","4","10","2","1") = "9"
    & skf18("2","8","2","4","10","3","1") = "9"
    & skf18("2","8","2","4","10","4","1") = "9"
    & skf18("2","8","2","4","10","5","1") = "9"
    & skf18("2","8","2","4","10","6","1") = "9"
    & skf18("2","8","2","4","10","7","1") = "9"
    & skf18("2","8","2","4","10","8","1") = "9"
    & skf18("2","8","2","4","10","9","1") = "9"
    & skf18("2","8","2","4","10","10","1") = "9"
    & skf18("2","8","2","5","1","1","1") = "7"
    & skf18("2","8","2","5","1","2","1") = "7"
    & skf18("2","8","2","5","1","3","1") = "7"
    & skf18("2","8","2","5","1","4","1") = "7"
    & skf18("2","8","2","5","1","5","1") = "7"
    & skf18("2","8","2","5","1","6","1") = "7"
    & skf18("2","8","2","5","1","7","1") = "7"
    & skf18("2","8","2","5","1","8","1") = "7"
    & skf18("2","8","2","5","1","9","1") = "8"
    & skf18("2","8","2","5","1","10","1") = "9"
    & skf18("2","8","2","5","2","1","1") = "7"
    & skf18("2","8","2","5","2","2","1") = "7"
    & skf18("2","8","2","5","2","3","1") = "7"
    & skf18("2","8","2","5","2","4","1") = "7"
    & skf18("2","8","2","5","2","5","1") = "7"
    & skf18("2","8","2","5","2","6","1") = "7"
    & skf18("2","8","2","5","2","7","1") = "7"
    & skf18("2","8","2","5","2","8","1") = "7"
    & skf18("2","8","2","5","2","9","1") = "8"
    & skf18("2","8","2","5","2","10","1") = "9"
    & skf18("2","8","2","5","3","1","1") = "7"
    & skf18("2","8","2","5","3","2","1") = "7"
    & skf18("2","8","2","5","3","3","1") = "7"
    & skf18("2","8","2","5","3","4","1") = "7"
    & skf18("2","8","2","5","3","5","1") = "7"
    & skf18("2","8","2","5","3","6","1") = "7"
    & skf18("2","8","2","5","3","7","1") = "7"
    & skf18("2","8","2","5","3","8","1") = "7"
    & skf18("2","8","2","5","3","9","1") = "8"
    & skf18("2","8","2","5","3","10","1") = "9"
    & skf18("2","8","2","5","4","1","1") = "7"
    & skf18("2","8","2","5","4","2","1") = "7"
    & skf18("2","8","2","5","4","3","1") = "7"
    & skf18("2","8","2","5","4","4","1") = "7"
    & skf18("2","8","2","5","4","5","1") = "7"
    & skf18("2","8","2","5","4","6","1") = "7"
    & skf18("2","8","2","5","4","7","1") = "7"
    & skf18("2","8","2","5","4","8","1") = "7"
    & skf18("2","8","2","5","4","9","1") = "8"
    & skf18("2","8","2","5","4","10","1") = "9"
    & skf18("2","8","2","5","5","1","1") = "7"
    & skf18("2","8","2","5","5","2","1") = "7"
    & skf18("2","8","2","5","5","3","1") = "7"
    & skf18("2","8","2","5","5","4","1") = "7"
    & skf18("2","8","2","5","5","5","1") = "7"
    & skf18("2","8","2","5","5","6","1") = "7"
    & skf18("2","8","2","5","5","7","1") = "7"
    & skf18("2","8","2","5","5","8","1") = "7"
    & skf18("2","8","2","5","5","9","1") = "8"
    & skf18("2","8","2","5","5","10","1") = "9"
    & skf18("2","8","2","5","6","1","1") = "7"
    & skf18("2","8","2","5","6","2","1") = "7"
    & skf18("2","8","2","5","6","3","1") = "7"
    & skf18("2","8","2","5","6","4","1") = "7"
    & skf18("2","8","2","5","6","5","1") = "7"
    & skf18("2","8","2","5","6","6","1") = "7"
    & skf18("2","8","2","5","6","7","1") = "7"
    & skf18("2","8","2","5","6","8","1") = "7"
    & skf18("2","8","2","5","6","9","1") = "8"
    & skf18("2","8","2","5","6","10","1") = "9"
    & skf18("2","8","2","5","7","1","1") = "7"
    & skf18("2","8","2","5","7","2","1") = "7"
    & skf18("2","8","2","5","7","3","1") = "7"
    & skf18("2","8","2","5","7","4","1") = "7"
    & skf18("2","8","2","5","7","5","1") = "7"
    & skf18("2","8","2","5","7","6","1") = "7"
    & skf18("2","8","2","5","7","7","1") = "7"
    & skf18("2","8","2","5","7","8","1") = "7"
    & skf18("2","8","2","5","7","9","1") = "8"
    & skf18("2","8","2","5","7","10","1") = "9"
    & skf18("2","8","2","5","8","1","1") = "7"
    & skf18("2","8","2","5","8","2","1") = "7"
    & skf18("2","8","2","5","8","3","1") = "7"
    & skf18("2","8","2","5","8","4","1") = "7"
    & skf18("2","8","2","5","8","5","1") = "7"
    & skf18("2","8","2","5","8","6","1") = "7"
    & skf18("2","8","2","5","8","7","1") = "7"
    & skf18("2","8","2","5","8","8","1") = "7"
    & skf18("2","8","2","5","8","9","1") = "8"
    & skf18("2","8","2","5","8","10","1") = "9"
    & skf18("2","8","2","5","9","1","1") = "8"
    & skf18("2","8","2","5","9","2","1") = "8"
    & skf18("2","8","2","5","9","3","1") = "8"
    & skf18("2","8","2","5","9","4","1") = "8"
    & skf18("2","8","2","5","9","5","1") = "8"
    & skf18("2","8","2","5","9","6","1") = "8"
    & skf18("2","8","2","5","9","7","1") = "8"
    & skf18("2","8","2","5","9","8","1") = "8"
    & skf18("2","8","2","5","9","9","1") = "8"
    & skf18("2","8","2","5","9","10","1") = "9"
    & skf18("2","8","2","5","10","1","1") = "9"
    & skf18("2","8","2","5","10","2","1") = "9"
    & skf18("2","8","2","5","10","3","1") = "9"
    & skf18("2","8","2","5","10","4","1") = "9"
    & skf18("2","8","2","5","10","5","1") = "9"
    & skf18("2","8","2","5","10","6","1") = "9"
    & skf18("2","8","2","5","10","7","1") = "9"
    & skf18("2","8","2","5","10","8","1") = "9"
    & skf18("2","8","2","5","10","9","1") = "9"
    & skf18("2","8","2","5","10","10","1") = "9"
    & skf18("2","8","2","6","1","1","1") = "7"
    & skf18("2","8","2","6","1","2","1") = "7"
    & skf18("2","8","2","6","1","3","1") = "7"
    & skf18("2","8","2","6","1","4","1") = "7"
    & skf18("2","8","2","6","1","5","1") = "7"
    & skf18("2","8","2","6","1","6","1") = "7"
    & skf18("2","8","2","6","1","7","1") = "7"
    & skf18("2","8","2","6","1","8","1") = "7"
    & skf18("2","8","2","6","1","9","1") = "8"
    & skf18("2","8","2","6","1","10","1") = "9"
    & skf18("2","8","2","6","2","1","1") = "7"
    & skf18("2","8","2","6","2","2","1") = "7"
    & skf18("2","8","2","6","2","3","1") = "7"
    & skf18("2","8","2","6","2","4","1") = "7"
    & skf18("2","8","2","6","2","5","1") = "7"
    & skf18("2","8","2","6","2","6","1") = "7"
    & skf18("2","8","2","6","2","7","1") = "7"
    & skf18("2","8","2","6","2","8","1") = "7"
    & skf18("2","8","2","6","2","9","1") = "8"
    & skf18("2","8","2","6","2","10","1") = "9"
    & skf18("2","8","2","6","3","1","1") = "7"
    & skf18("2","8","2","6","3","2","1") = "7"
    & skf18("2","8","2","6","3","3","1") = "7"
    & skf18("2","8","2","6","3","4","1") = "7"
    & skf18("2","8","2","6","3","5","1") = "7"
    & skf18("2","8","2","6","3","6","1") = "7"
    & skf18("2","8","2","6","3","7","1") = "7"
    & skf18("2","8","2","6","3","8","1") = "7"
    & skf18("2","8","2","6","3","9","1") = "8"
    & skf18("2","8","2","6","3","10","1") = "9"
    & skf18("2","8","2","6","4","1","1") = "7"
    & skf18("2","8","2","6","4","2","1") = "7"
    & skf18("2","8","2","6","4","3","1") = "7"
    & skf18("2","8","2","6","4","4","1") = "7"
    & skf18("2","8","2","6","4","5","1") = "7"
    & skf18("2","8","2","6","4","6","1") = "7"
    & skf18("2","8","2","6","4","7","1") = "7"
    & skf18("2","8","2","6","4","8","1") = "7"
    & skf18("2","8","2","6","4","9","1") = "8"
    & skf18("2","8","2","6","4","10","1") = "9"
    & skf18("2","8","2","6","5","1","1") = "7"
    & skf18("2","8","2","6","5","2","1") = "7"
    & skf18("2","8","2","6","5","3","1") = "7"
    & skf18("2","8","2","6","5","4","1") = "7"
    & skf18("2","8","2","6","5","5","1") = "7"
    & skf18("2","8","2","6","5","6","1") = "7"
    & skf18("2","8","2","6","5","7","1") = "7"
    & skf18("2","8","2","6","5","8","1") = "7"
    & skf18("2","8","2","6","5","9","1") = "8"
    & skf18("2","8","2","6","5","10","1") = "9"
    & skf18("2","8","2","6","6","1","1") = "7"
    & skf18("2","8","2","6","6","2","1") = "7"
    & skf18("2","8","2","6","6","3","1") = "7"
    & skf18("2","8","2","6","6","4","1") = "7"
    & skf18("2","8","2","6","6","5","1") = "7"
    & skf18("2","8","2","6","6","6","1") = "7"
    & skf18("2","8","2","6","6","7","1") = "7"
    & skf18("2","8","2","6","6","8","1") = "7"
    & skf18("2","8","2","6","6","9","1") = "8"
    & skf18("2","8","2","6","6","10","1") = "9"
    & skf18("2","8","2","6","7","1","1") = "7"
    & skf18("2","8","2","6","7","2","1") = "7"
    & skf18("2","8","2","6","7","3","1") = "7"
    & skf18("2","8","2","6","7","4","1") = "7"
    & skf18("2","8","2","6","7","5","1") = "7"
    & skf18("2","8","2","6","7","6","1") = "7"
    & skf18("2","8","2","6","7","7","1") = "7"
    & skf18("2","8","2","6","7","8","1") = "7"
    & skf18("2","8","2","6","7","9","1") = "8"
    & skf18("2","8","2","6","7","10","1") = "9"
    & skf18("2","8","2","6","8","1","1") = "7"
    & skf18("2","8","2","6","8","2","1") = "7"
    & skf18("2","8","2","6","8","3","1") = "7"
    & skf18("2","8","2","6","8","4","1") = "7"
    & skf18("2","8","2","6","8","5","1") = "7"
    & skf18("2","8","2","6","8","6","1") = "7"
    & skf18("2","8","2","6","8","7","1") = "7"
    & skf18("2","8","2","6","8","8","1") = "7"
    & skf18("2","8","2","6","8","9","1") = "8"
    & skf18("2","8","2","6","8","10","1") = "9"
    & skf18("2","8","2","6","9","1","1") = "8"
    & skf18("2","8","2","6","9","2","1") = "8"
    & skf18("2","8","2","6","9","3","1") = "8"
    & skf18("2","8","2","6","9","4","1") = "8"
    & skf18("2","8","2","6","9","5","1") = "8"
    & skf18("2","8","2","6","9","6","1") = "8"
    & skf18("2","8","2","6","9","7","1") = "8"
    & skf18("2","8","2","6","9","8","1") = "8"
    & skf18("2","8","2","6","9","9","1") = "8"
    & skf18("2","8","2","6","9","10","1") = "9"
    & skf18("2","8","2","6","10","1","1") = "9"
    & skf18("2","8","2","6","10","2","1") = "9"
    & skf18("2","8","2","6","10","3","1") = "9"
    & skf18("2","8","2","6","10","4","1") = "9"
    & skf18("2","8","2","6","10","5","1") = "9"
    & skf18("2","8","2","6","10","6","1") = "9"
    & skf18("2","8","2","6","10","7","1") = "9"
    & skf18("2","8","2","6","10","8","1") = "9"
    & skf18("2","8","2","6","10","9","1") = "9"
    & skf18("2","8","2","6","10","10","1") = "9"
    & skf18("2","8","2","7","1","1","1") = "7"
    & skf18("2","8","2","7","1","2","1") = "7"
    & skf18("2","8","2","7","1","3","1") = "7"
    & skf18("2","8","2","7","1","4","1") = "7"
    & skf18("2","8","2","7","1","5","1") = "7"
    & skf18("2","8","2","7","1","6","1") = "7"
    & skf18("2","8","2","7","1","7","1") = "7"
    & skf18("2","8","2","7","1","8","1") = "7"
    & skf18("2","8","2","7","1","9","1") = "8"
    & skf18("2","8","2","7","1","10","1") = "9"
    & skf18("2","8","2","7","2","1","1") = "7"
    & skf18("2","8","2","7","2","2","1") = "7"
    & skf18("2","8","2","7","2","3","1") = "7"
    & skf18("2","8","2","7","2","4","1") = "7"
    & skf18("2","8","2","7","2","5","1") = "7"
    & skf18("2","8","2","7","2","6","1") = "7"
    & skf18("2","8","2","7","2","7","1") = "7"
    & skf18("2","8","2","7","2","8","1") = "7"
    & skf18("2","8","2","7","2","9","1") = "8"
    & skf18("2","8","2","7","2","10","1") = "9"
    & skf18("2","8","2","7","3","1","1") = "7"
    & skf18("2","8","2","7","3","2","1") = "7"
    & skf18("2","8","2","7","3","3","1") = "7"
    & skf18("2","8","2","7","3","4","1") = "7"
    & skf18("2","8","2","7","3","5","1") = "7"
    & skf18("2","8","2","7","3","6","1") = "7"
    & skf18("2","8","2","7","3","7","1") = "7"
    & skf18("2","8","2","7","3","8","1") = "7"
    & skf18("2","8","2","7","3","9","1") = "8"
    & skf18("2","8","2","7","3","10","1") = "9"
    & skf18("2","8","2","7","4","1","1") = "7"
    & skf18("2","8","2","7","4","2","1") = "7"
    & skf18("2","8","2","7","4","3","1") = "7"
    & skf18("2","8","2","7","4","4","1") = "7"
    & skf18("2","8","2","7","4","5","1") = "7"
    & skf18("2","8","2","7","4","6","1") = "7"
    & skf18("2","8","2","7","4","7","1") = "7"
    & skf18("2","8","2","7","4","8","1") = "7"
    & skf18("2","8","2","7","4","9","1") = "8"
    & skf18("2","8","2","7","4","10","1") = "9"
    & skf18("2","8","2","7","5","1","1") = "7"
    & skf18("2","8","2","7","5","2","1") = "7"
    & skf18("2","8","2","7","5","3","1") = "7"
    & skf18("2","8","2","7","5","4","1") = "7"
    & skf18("2","8","2","7","5","5","1") = "7"
    & skf18("2","8","2","7","5","6","1") = "7"
    & skf18("2","8","2","7","5","7","1") = "7"
    & skf18("2","8","2","7","5","8","1") = "7"
    & skf18("2","8","2","7","5","9","1") = "8"
    & skf18("2","8","2","7","5","10","1") = "9"
    & skf18("2","8","2","7","6","1","1") = "7"
    & skf18("2","8","2","7","6","2","1") = "7"
    & skf18("2","8","2","7","6","3","1") = "7"
    & skf18("2","8","2","7","6","4","1") = "7"
    & skf18("2","8","2","7","6","5","1") = "7"
    & skf18("2","8","2","7","6","6","1") = "7"
    & skf18("2","8","2","7","6","7","1") = "7"
    & skf18("2","8","2","7","6","8","1") = "7"
    & skf18("2","8","2","7","6","9","1") = "8"
    & skf18("2","8","2","7","6","10","1") = "9"
    & skf18("2","8","2","7","7","1","1") = "7"
    & skf18("2","8","2","7","7","2","1") = "7"
    & skf18("2","8","2","7","7","3","1") = "7"
    & skf18("2","8","2","7","7","4","1") = "7"
    & skf18("2","8","2","7","7","5","1") = "7"
    & skf18("2","8","2","7","7","6","1") = "7"
    & skf18("2","8","2","7","7","7","1") = "7"
    & skf18("2","8","2","7","7","8","1") = "7"
    & skf18("2","8","2","7","7","9","1") = "8"
    & skf18("2","8","2","7","7","10","1") = "9"
    & skf18("2","8","2","7","8","1","1") = "7"
    & skf18("2","8","2","7","8","2","1") = "7"
    & skf18("2","8","2","7","8","3","1") = "7"
    & skf18("2","8","2","7","8","4","1") = "7"
    & skf18("2","8","2","7","8","5","1") = "7"
    & skf18("2","8","2","7","8","6","1") = "7"
    & skf18("2","8","2","7","8","7","1") = "7"
    & skf18("2","8","2","7","8","8","1") = "7"
    & skf18("2","8","2","7","8","9","1") = "8"
    & skf18("2","8","2","7","8","10","1") = "9"
    & skf18("2","8","2","7","9","1","1") = "8"
    & skf18("2","8","2","7","9","2","1") = "8"
    & skf18("2","8","2","7","9","3","1") = "8"
    & skf18("2","8","2","7","9","4","1") = "8"
    & skf18("2","8","2","7","9","5","1") = "8"
    & skf18("2","8","2","7","9","6","1") = "8"
    & skf18("2","8","2","7","9","7","1") = "8"
    & skf18("2","8","2","7","9","8","1") = "8"
    & skf18("2","8","2","7","9","9","1") = "8"
    & skf18("2","8","2","7","9","10","1") = "9"
    & skf18("2","8","2","7","10","1","1") = "9"
    & skf18("2","8","2","7","10","2","1") = "9"
    & skf18("2","8","2","7","10","3","1") = "9"
    & skf18("2","8","2","7","10","4","1") = "9"
    & skf18("2","8","2","7","10","5","1") = "9"
    & skf18("2","8","2","7","10","6","1") = "9"
    & skf18("2","8","2","7","10","7","1") = "9"
    & skf18("2","8","2","7","10","8","1") = "9"
    & skf18("2","8","2","7","10","9","1") = "9"
    & skf18("2","8","2","7","10","10","1") = "9"
    & skf18("2","8","2","8","1","1","1") = "7"
    & skf18("2","8","2","8","1","2","1") = "7"
    & skf18("2","8","2","8","1","3","1") = "7"
    & skf18("2","8","2","8","1","4","1") = "7"
    & skf18("2","8","2","8","1","5","1") = "7"
    & skf18("2","8","2","8","1","6","1") = "7"
    & skf18("2","8","2","8","1","7","1") = "7"
    & skf18("2","8","2","8","1","8","1") = "7"
    & skf18("2","8","2","8","1","9","1") = "8"
    & skf18("2","8","2","8","1","10","1") = "9"
    & skf18("2","8","2","8","2","1","1") = "7"
    & skf18("2","8","2","8","2","2","1") = "7"
    & skf18("2","8","2","8","2","3","1") = "7"
    & skf18("2","8","2","8","2","4","1") = "7"
    & skf18("2","8","2","8","2","5","1") = "7"
    & skf18("2","8","2","8","2","6","1") = "7"
    & skf18("2","8","2","8","2","7","1") = "7"
    & skf18("2","8","2","8","2","8","1") = "7"
    & skf18("2","8","2","8","2","9","1") = "8"
    & skf18("2","8","2","8","2","10","1") = "9"
    & skf18("2","8","2","8","3","1","1") = "7"
    & skf18("2","8","2","8","3","2","1") = "7"
    & skf18("2","8","2","8","3","3","1") = "7"
    & skf18("2","8","2","8","3","4","1") = "7"
    & skf18("2","8","2","8","3","5","1") = "7"
    & skf18("2","8","2","8","3","6","1") = "7"
    & skf18("2","8","2","8","3","7","1") = "7"
    & skf18("2","8","2","8","3","8","1") = "7"
    & skf18("2","8","2","8","3","9","1") = "8"
    & skf18("2","8","2","8","3","10","1") = "9"
    & skf18("2","8","2","8","4","1","1") = "7"
    & skf18("2","8","2","8","4","2","1") = "7"
    & skf18("2","8","2","8","4","3","1") = "7"
    & skf18("2","8","2","8","4","4","1") = "7"
    & skf18("2","8","2","8","4","5","1") = "7"
    & skf18("2","8","2","8","4","6","1") = "7"
    & skf18("2","8","2","8","4","7","1") = "7"
    & skf18("2","8","2","8","4","8","1") = "7"
    & skf18("2","8","2","8","4","9","1") = "8"
    & skf18("2","8","2","8","4","10","1") = "9"
    & skf18("2","8","2","8","5","1","1") = "7"
    & skf18("2","8","2","8","5","2","1") = "7"
    & skf18("2","8","2","8","5","3","1") = "7"
    & skf18("2","8","2","8","5","4","1") = "7"
    & skf18("2","8","2","8","5","5","1") = "7"
    & skf18("2","8","2","8","5","6","1") = "7"
    & skf18("2","8","2","8","5","7","1") = "7"
    & skf18("2","8","2","8","5","8","1") = "7"
    & skf18("2","8","2","8","5","9","1") = "8"
    & skf18("2","8","2","8","5","10","1") = "9"
    & skf18("2","8","2","8","6","1","1") = "7"
    & skf18("2","8","2","8","6","2","1") = "7"
    & skf18("2","8","2","8","6","3","1") = "7"
    & skf18("2","8","2","8","6","4","1") = "7"
    & skf18("2","8","2","8","6","5","1") = "7"
    & skf18("2","8","2","8","6","6","1") = "7"
    & skf18("2","8","2","8","6","7","1") = "7"
    & skf18("2","8","2","8","6","8","1") = "7"
    & skf18("2","8","2","8","6","9","1") = "8"
    & skf18("2","8","2","8","6","10","1") = "9"
    & skf18("2","8","2","8","7","1","1") = "7"
    & skf18("2","8","2","8","7","2","1") = "7"
    & skf18("2","8","2","8","7","3","1") = "7"
    & skf18("2","8","2","8","7","4","1") = "7"
    & skf18("2","8","2","8","7","5","1") = "7"
    & skf18("2","8","2","8","7","6","1") = "7"
    & skf18("2","8","2","8","7","7","1") = "7"
    & skf18("2","8","2","8","7","8","1") = "7"
    & skf18("2","8","2","8","7","9","1") = "8"
    & skf18("2","8","2","8","7","10","1") = "9"
    & skf18("2","8","2","8","8","1","1") = "7"
    & skf18("2","8","2","8","8","2","1") = "7"
    & skf18("2","8","2","8","8","3","1") = "7"
    & skf18("2","8","2","8","8","4","1") = "7"
    & skf18("2","8","2","8","8","5","1") = "7"
    & skf18("2","8","2","8","8","6","1") = "7"
    & skf18("2","8","2","8","8","7","1") = "7"
    & skf18("2","8","2","8","8","8","1") = "7"
    & skf18("2","8","2","8","8","9","1") = "8"
    & skf18("2","8","2","8","8","10","1") = "9"
    & skf18("2","8","2","8","9","1","1") = "8"
    & skf18("2","8","2","8","9","2","1") = "8"
    & skf18("2","8","2","8","9","3","1") = "8"
    & skf18("2","8","2","8","9","4","1") = "8"
    & skf18("2","8","2","8","9","5","1") = "8"
    & skf18("2","8","2","8","9","6","1") = "8"
    & skf18("2","8","2","8","9","7","1") = "8"
    & skf18("2","8","2","8","9","8","1") = "8"
    & skf18("2","8","2","8","9","9","1") = "8"
    & skf18("2","8","2","8","9","10","1") = "9"
    & skf18("2","8","2","8","10","1","1") = "9"
    & skf18("2","8","2","8","10","2","1") = "9"
    & skf18("2","8","2","8","10","3","1") = "9"
    & skf18("2","8","2","8","10","4","1") = "9"
    & skf18("2","8","2","8","10","5","1") = "9"
    & skf18("2","8","2","8","10","6","1") = "9"
    & skf18("2","8","2","8","10","7","1") = "9"
    & skf18("2","8","2","8","10","8","1") = "9"
    & skf18("2","8","2","8","10","9","1") = "9"
    & skf18("2","8","2","8","10","10","1") = "9"
    & skf18("2","8","2","9","1","1","1") = "8"
    & skf18("2","8","2","9","1","2","1") = "8"
    & skf18("2","8","2","9","1","3","1") = "8"
    & skf18("2","8","2","9","1","4","1") = "8"
    & skf18("2","8","2","9","1","5","1") = "8"
    & skf18("2","8","2","9","1","6","1") = "8"
    & skf18("2","8","2","9","1","7","1") = "8"
    & skf18("2","8","2","9","1","8","1") = "8"
    & skf18("2","8","2","9","1","9","1") = "8"
    & skf18("2","8","2","9","1","10","1") = "9"
    & skf18("2","8","2","9","2","1","1") = "8"
    & skf18("2","8","2","9","2","2","1") = "8"
    & skf18("2","8","2","9","2","3","1") = "8"
    & skf18("2","8","2","9","2","4","1") = "8"
    & skf18("2","8","2","9","2","5","1") = "8"
    & skf18("2","8","2","9","2","6","1") = "8"
    & skf18("2","8","2","9","2","7","1") = "8"
    & skf18("2","8","2","9","2","8","1") = "8"
    & skf18("2","8","2","9","2","9","1") = "8"
    & skf18("2","8","2","9","2","10","1") = "9"
    & skf18("2","8","2","9","3","1","1") = "8"
    & skf18("2","8","2","9","3","2","1") = "8"
    & skf18("2","8","2","9","3","3","1") = "8"
    & skf18("2","8","2","9","3","4","1") = "8"
    & skf18("2","8","2","9","3","5","1") = "8"
    & skf18("2","8","2","9","3","6","1") = "8"
    & skf18("2","8","2","9","3","7","1") = "8"
    & skf18("2","8","2","9","3","8","1") = "8"
    & skf18("2","8","2","9","3","9","1") = "8"
    & skf18("2","8","2","9","3","10","1") = "9"
    & skf18("2","8","2","9","4","1","1") = "8"
    & skf18("2","8","2","9","4","2","1") = "8"
    & skf18("2","8","2","9","4","3","1") = "8"
    & skf18("2","8","2","9","4","4","1") = "8"
    & skf18("2","8","2","9","4","5","1") = "8"
    & skf18("2","8","2","9","4","6","1") = "8"
    & skf18("2","8","2","9","4","7","1") = "8"
    & skf18("2","8","2","9","4","8","1") = "8"
    & skf18("2","8","2","9","4","9","1") = "8"
    & skf18("2","8","2","9","4","10","1") = "9"
    & skf18("2","8","2","9","5","1","1") = "8"
    & skf18("2","8","2","9","5","2","1") = "8"
    & skf18("2","8","2","9","5","3","1") = "8"
    & skf18("2","8","2","9","5","4","1") = "8"
    & skf18("2","8","2","9","5","5","1") = "8"
    & skf18("2","8","2","9","5","6","1") = "8"
    & skf18("2","8","2","9","5","7","1") = "8"
    & skf18("2","8","2","9","5","8","1") = "8"
    & skf18("2","8","2","9","5","9","1") = "8"
    & skf18("2","8","2","9","5","10","1") = "9"
    & skf18("2","8","2","9","6","1","1") = "8"
    & skf18("2","8","2","9","6","2","1") = "8"
    & skf18("2","8","2","9","6","3","1") = "8"
    & skf18("2","8","2","9","6","4","1") = "8"
    & skf18("2","8","2","9","6","5","1") = "8"
    & skf18("2","8","2","9","6","6","1") = "8"
    & skf18("2","8","2","9","6","7","1") = "8"
    & skf18("2","8","2","9","6","8","1") = "8"
    & skf18("2","8","2","9","6","9","1") = "8"
    & skf18("2","8","2","9","6","10","1") = "9"
    & skf18("2","8","2","9","7","1","1") = "8"
    & skf18("2","8","2","9","7","2","1") = "8"
    & skf18("2","8","2","9","7","3","1") = "8"
    & skf18("2","8","2","9","7","4","1") = "8"
    & skf18("2","8","2","9","7","5","1") = "8"
    & skf18("2","8","2","9","7","6","1") = "8"
    & skf18("2","8","2","9","7","7","1") = "8"
    & skf18("2","8","2","9","7","8","1") = "8"
    & skf18("2","8","2","9","7","9","1") = "8"
    & skf18("2","8","2","9","7","10","1") = "9"
    & skf18("2","8","2","9","8","1","1") = "8"
    & skf18("2","8","2","9","8","2","1") = "8"
    & skf18("2","8","2","9","8","3","1") = "8"
    & skf18("2","8","2","9","8","4","1") = "8"
    & skf18("2","8","2","9","8","5","1") = "8"
    & skf18("2","8","2","9","8","6","1") = "8"
    & skf18("2","8","2","9","8","7","1") = "8"
    & skf18("2","8","2","9","8","8","1") = "8"
    & skf18("2","8","2","9","8","9","1") = "8"
    & skf18("2","8","2","9","8","10","1") = "9"
    & skf18("2","8","2","9","9","1","1") = "8"
    & skf18("2","8","2","9","9","2","1") = "8"
    & skf18("2","8","2","9","9","3","1") = "8"
    & skf18("2","8","2","9","9","4","1") = "8"
    & skf18("2","8","2","9","9","5","1") = "8"
    & skf18("2","8","2","9","9","6","1") = "8"
    & skf18("2","8","2","9","9","7","1") = "8"
    & skf18("2","8","2","9","9","8","1") = "8"
    & skf18("2","8","2","9","9","9","1") = "8"
    & skf18("2","8","2","9","9","10","1") = "9"
    & skf18("2","8","2","9","10","1","1") = "9"
    & skf18("2","8","2","9","10","2","1") = "9"
    & skf18("2","8","2","9","10","3","1") = "9"
    & skf18("2","8","2","9","10","4","1") = "9"
    & skf18("2","8","2","9","10","5","1") = "9"
    & skf18("2","8","2","9","10","6","1") = "9"
    & skf18("2","8","2","9","10","7","1") = "9"
    & skf18("2","8","2","9","10","8","1") = "9"
    & skf18("2","8","2","9","10","9","1") = "9"
    & skf18("2","8","2","9","10","10","1") = "9"
    & skf18("2","8","2","10","1","1","1") = "9"
    & skf18("2","8","2","10","1","2","1") = "9"
    & skf18("2","8","2","10","1","3","1") = "9"
    & skf18("2","8","2","10","1","4","1") = "9"
    & skf18("2","8","2","10","1","5","1") = "9"
    & skf18("2","8","2","10","1","6","1") = "9"
    & skf18("2","8","2","10","1","7","1") = "9"
    & skf18("2","8","2","10","1","8","1") = "9"
    & skf18("2","8","2","10","1","9","1") = "9"
    & skf18("2","8","2","10","1","10","1") = "9"
    & skf18("2","8","2","10","2","1","1") = "9"
    & skf18("2","8","2","10","2","2","1") = "9"
    & skf18("2","8","2","10","2","3","1") = "9"
    & skf18("2","8","2","10","2","4","1") = "9"
    & skf18("2","8","2","10","2","5","1") = "9"
    & skf18("2","8","2","10","2","6","1") = "9"
    & skf18("2","8","2","10","2","7","1") = "9"
    & skf18("2","8","2","10","2","8","1") = "9"
    & skf18("2","8","2","10","2","9","1") = "9"
    & skf18("2","8","2","10","2","10","1") = "9"
    & skf18("2","8","2","10","3","1","1") = "9"
    & skf18("2","8","2","10","3","2","1") = "9"
    & skf18("2","8","2","10","3","3","1") = "9"
    & skf18("2","8","2","10","3","4","1") = "9"
    & skf18("2","8","2","10","3","5","1") = "9"
    & skf18("2","8","2","10","3","6","1") = "9"
    & skf18("2","8","2","10","3","7","1") = "9"
    & skf18("2","8","2","10","3","8","1") = "9"
    & skf18("2","8","2","10","3","9","1") = "9"
    & skf18("2","8","2","10","3","10","1") = "9"
    & skf18("2","8","2","10","4","1","1") = "9"
    & skf18("2","8","2","10","4","2","1") = "9"
    & skf18("2","8","2","10","4","3","1") = "9"
    & skf18("2","8","2","10","4","4","1") = "9"
    & skf18("2","8","2","10","4","5","1") = "9"
    & skf18("2","8","2","10","4","6","1") = "9"
    & skf18("2","8","2","10","4","7","1") = "9"
    & skf18("2","8","2","10","4","8","1") = "9"
    & skf18("2","8","2","10","4","9","1") = "9"
    & skf18("2","8","2","10","4","10","1") = "9"
    & skf18("2","8","2","10","5","1","1") = "9"
    & skf18("2","8","2","10","5","2","1") = "9"
    & skf18("2","8","2","10","5","3","1") = "9"
    & skf18("2","8","2","10","5","4","1") = "9"
    & skf18("2","8","2","10","5","5","1") = "9"
    & skf18("2","8","2","10","5","6","1") = "9"
    & skf18("2","8","2","10","5","7","1") = "9"
    & skf18("2","8","2","10","5","8","1") = "9"
    & skf18("2","8","2","10","5","9","1") = "9"
    & skf18("2","8","2","10","5","10","1") = "9"
    & skf18("2","8","2","10","6","1","1") = "9"
    & skf18("2","8","2","10","6","2","1") = "9"
    & skf18("2","8","2","10","6","3","1") = "9"
    & skf18("2","8","2","10","6","4","1") = "9"
    & skf18("2","8","2","10","6","5","1") = "9"
    & skf18("2","8","2","10","6","6","1") = "9"
    & skf18("2","8","2","10","6","7","1") = "9"
    & skf18("2","8","2","10","6","8","1") = "9"
    & skf18("2","8","2","10","6","9","1") = "9"
    & skf18("2","8","2","10","6","10","1") = "9"
    & skf18("2","8","2","10","7","1","1") = "9"
    & skf18("2","8","2","10","7","2","1") = "9"
    & skf18("2","8","2","10","7","3","1") = "9"
    & skf18("2","8","2","10","7","4","1") = "9"
    & skf18("2","8","2","10","7","5","1") = "9"
    & skf18("2","8","2","10","7","6","1") = "9"
    & skf18("2","8","2","10","7","7","1") = "9"
    & skf18("2","8","2","10","7","8","1") = "9"
    & skf18("2","8","2","10","7","9","1") = "9"
    & skf18("2","8","2","10","7","10","1") = "9"
    & skf18("2","8","2","10","8","1","1") = "9"
    & skf18("2","8","2","10","8","2","1") = "9"
    & skf18("2","8","2","10","8","3","1") = "9"
    & skf18("2","8","2","10","8","4","1") = "9"
    & skf18("2","8","2","10","8","5","1") = "9"
    & skf18("2","8","2","10","8","6","1") = "9"
    & skf18("2","8","2","10","8","7","1") = "9"
    & skf18("2","8","2","10","8","8","1") = "9"
    & skf18("2","8","2","10","8","9","1") = "9"
    & skf18("2","8","2","10","8","10","1") = "9"
    & skf18("2","8","2","10","9","1","1") = "9"
    & skf18("2","8","2","10","9","2","1") = "9"
    & skf18("2","8","2","10","9","3","1") = "9"
    & skf18("2","8","2","10","9","4","1") = "9"
    & skf18("2","8","2","10","9","5","1") = "9"
    & skf18("2","8","2","10","9","6","1") = "9"
    & skf18("2","8","2","10","9","7","1") = "9"
    & skf18("2","8","2","10","9","8","1") = "9"
    & skf18("2","8","2","10","9","9","1") = "9"
    & skf18("2","8","2","10","9","10","1") = "9"
    & skf18("2","8","2","10","10","1","1") = "9"
    & skf18("2","8","2","10","10","2","1") = "9"
    & skf18("2","8","2","10","10","3","1") = "9"
    & skf18("2","8","2","10","10","4","1") = "9"
    & skf18("2","8","2","10","10","5","1") = "9"
    & skf18("2","8","2","10","10","6","1") = "9"
    & skf18("2","8","2","10","10","7","1") = "9"
    & skf18("2","8","2","10","10","8","1") = "9"
    & skf18("2","8","2","10","10","9","1") = "9"
    & skf18("2","8","2","10","10","10","1") = "9"
    & skf18("2","8","3","1","1","1","1") = "7"
    & skf18("2","8","3","1","1","2","1") = "7"
    & skf18("2","8","3","1","1","3","1") = "7"
    & skf18("2","8","3","1","1","4","1") = "7"
    & skf18("2","8","3","1","1","5","1") = "7"
    & skf18("2","8","3","1","1","6","1") = "7"
    & skf18("2","8","3","1","1","7","1") = "7"
    & skf18("2","8","3","1","1","8","1") = "7"
    & skf18("2","8","3","1","1","9","1") = "8"
    & skf18("2","8","3","1","1","10","1") = "9"
    & skf18("2","8","3","1","2","1","1") = "7"
    & skf18("2","8","3","1","2","2","1") = "7"
    & skf18("2","8","3","1","2","3","1") = "7"
    & skf18("2","8","3","1","2","4","1") = "7"
    & skf18("2","8","3","1","2","5","1") = "7"
    & skf18("2","8","3","1","2","6","1") = "7"
    & skf18("2","8","3","1","2","7","1") = "7"
    & skf18("2","8","3","1","2","8","1") = "7"
    & skf18("2","8","3","1","2","9","1") = "8"
    & skf18("2","8","3","1","2","10","1") = "9"
    & skf18("2","8","3","1","3","1","1") = "7"
    & skf18("2","8","3","1","3","2","1") = "7"
    & skf18("2","8","3","1","3","3","1") = "7"
    & skf18("2","8","3","1","3","4","1") = "7"
    & skf18("2","8","3","1","3","5","1") = "7"
    & skf18("2","8","3","1","3","6","1") = "7"
    & skf18("2","8","3","1","3","7","1") = "7"
    & skf18("2","8","3","1","3","8","1") = "7"
    & skf18("2","8","3","1","3","9","1") = "8"
    & skf18("2","8","3","1","3","10","1") = "9"
    & skf18("2","8","3","1","4","1","1") = "7"
    & skf18("2","8","3","1","4","2","1") = "7"
    & skf18("2","8","3","1","4","3","1") = "7"
    & skf18("2","8","3","1","4","4","1") = "7"
    & skf18("2","8","3","1","4","5","1") = "7"
    & skf18("2","8","3","1","4","6","1") = "7"
    & skf18("2","8","3","1","4","7","1") = "7"
    & skf18("2","8","3","1","4","8","1") = "7"
    & skf18("2","8","3","1","4","9","1") = "8"
    & skf18("2","8","3","1","4","10","1") = "9"
    & skf18("2","8","3","1","5","1","1") = "7"
    & skf18("2","8","3","1","5","2","1") = "7"
    & skf18("2","8","3","1","5","3","1") = "7"
    & skf18("2","8","3","1","5","4","1") = "7"
    & skf18("2","8","3","1","5","5","1") = "7"
    & skf18("2","8","3","1","5","6","1") = "7"
    & skf18("2","8","3","1","5","7","1") = "7"
    & skf18("2","8","3","1","5","8","1") = "7"
    & skf18("2","8","3","1","5","9","1") = "8"
    & skf18("2","8","3","1","5","10","1") = "9"
    & skf18("2","8","3","1","6","1","1") = "7"
    & skf18("2","8","3","1","6","2","1") = "7"
    & skf18("2","8","3","1","6","3","1") = "7"
    & skf18("2","8","3","1","6","4","1") = "7"
    & skf18("2","8","3","1","6","5","1") = "7"
    & skf18("2","8","3","1","6","6","1") = "7"
    & skf18("2","8","3","1","6","7","1") = "7"
    & skf18("2","8","3","1","6","8","1") = "7"
    & skf18("2","8","3","1","6","9","1") = "8"
    & skf18("2","8","3","1","6","10","1") = "9"
    & skf18("2","8","3","1","7","1","1") = "7"
    & skf18("2","8","3","1","7","2","1") = "7"
    & skf18("2","8","3","1","7","3","1") = "7"
    & skf18("2","8","3","1","7","4","1") = "7"
    & skf18("2","8","3","1","7","5","1") = "7"
    & skf18("2","8","3","1","7","6","1") = "7"
    & skf18("2","8","3","1","7","7","1") = "7"
    & skf18("2","8","3","1","7","8","1") = "7"
    & skf18("2","8","3","1","7","9","1") = "8"
    & skf18("2","8","3","1","7","10","1") = "9"
    & skf18("2","8","3","1","8","1","1") = "7"
    & skf18("2","8","3","1","8","2","1") = "7"
    & skf18("2","8","3","1","8","3","1") = "7"
    & skf18("2","8","3","1","8","4","1") = "7"
    & skf18("2","8","3","1","8","5","1") = "7"
    & skf18("2","8","3","1","8","6","1") = "7"
    & skf18("2","8","3","1","8","7","1") = "7"
    & skf18("2","8","3","1","8","8","1") = "7"
    & skf18("2","8","3","1","8","9","1") = "8"
    & skf18("2","8","3","1","8","10","1") = "9"
    & skf18("2","8","3","1","9","1","1") = "8"
    & skf18("2","8","3","1","9","2","1") = "8"
    & skf18("2","8","3","1","9","3","1") = "8"
    & skf18("2","8","3","1","9","4","1") = "8"
    & skf18("2","8","3","1","9","5","1") = "8"
    & skf18("2","8","3","1","9","6","1") = "8"
    & skf18("2","8","3","1","9","7","1") = "8"
    & skf18("2","8","3","1","9","8","1") = "8"
    & skf18("2","8","3","1","9","9","1") = "8"
    & skf18("2","8","3","1","9","10","1") = "9"
    & skf18("2","8","3","1","10","1","1") = "9"
    & skf18("2","8","3","1","10","2","1") = "9"
    & skf18("2","8","3","1","10","3","1") = "9"
    & skf18("2","8","3","1","10","4","1") = "9"
    & skf18("2","8","3","1","10","5","1") = "9"
    & skf18("2","8","3","1","10","6","1") = "9"
    & skf18("2","8","3","1","10","7","1") = "9"
    & skf18("2","8","3","1","10","8","1") = "9"
    & skf18("2","8","3","1","10","9","1") = "9"
    & skf18("2","8","3","1","10","10","1") = "9"
    & skf18("2","8","3","2","1","1","1") = "7"
    & skf18("2","8","3","2","1","2","1") = "7"
    & skf18("2","8","3","2","1","3","1") = "7"
    & skf18("2","8","3","2","1","4","1") = "7"
    & skf18("2","8","3","2","1","5","1") = "7"
    & skf18("2","8","3","2","1","6","1") = "7"
    & skf18("2","8","3","2","1","7","1") = "7"
    & skf18("2","8","3","2","1","8","1") = "7"
    & skf18("2","8","3","2","1","9","1") = "8"
    & skf18("2","8","3","2","1","10","1") = "9"
    & skf18("2","8","3","2","2","1","1") = "7"
    & skf18("2","8","3","2","2","2","1") = "7"
    & skf18("2","8","3","2","2","3","1") = "7"
    & skf18("2","8","3","2","2","4","1") = "7"
    & skf18("2","8","3","2","2","5","1") = "7"
    & skf18("2","8","3","2","2","6","1") = "7"
    & skf18("2","8","3","2","2","7","1") = "7"
    & skf18("2","8","3","2","2","8","1") = "7"
    & skf18("2","8","3","2","2","9","1") = "8"
    & skf18("2","8","3","2","2","10","1") = "9"
    & skf18("2","8","3","2","3","1","1") = "7"
    & skf18("2","8","3","2","3","2","1") = "7"
    & skf18("2","8","3","2","3","3","1") = "7"
    & skf18("2","8","3","2","3","4","1") = "7"
    & skf18("2","8","3","2","3","5","1") = "7"
    & skf18("2","8","3","2","3","6","1") = "7"
    & skf18("2","8","3","2","3","7","1") = "7"
    & skf18("2","8","3","2","3","8","1") = "7"
    & skf18("2","8","3","2","3","9","1") = "8"
    & skf18("2","8","3","2","3","10","1") = "9"
    & skf18("2","8","3","2","4","1","1") = "7"
    & skf18("2","8","3","2","4","2","1") = "7"
    & skf18("2","8","3","2","4","3","1") = "7"
    & skf18("2","8","3","2","4","4","1") = "7"
    & skf18("2","8","3","2","4","5","1") = "7"
    & skf18("2","8","3","2","4","6","1") = "7"
    & skf18("2","8","3","2","4","7","1") = "7"
    & skf18("2","8","3","2","4","8","1") = "7"
    & skf18("2","8","3","2","4","9","1") = "8"
    & skf18("2","8","3","2","4","10","1") = "9"
    & skf18("2","8","3","2","5","1","1") = "7"
    & skf18("2","8","3","2","5","2","1") = "7"
    & skf18("2","8","3","2","5","3","1") = "7"
    & skf18("2","8","3","2","5","4","1") = "7"
    & skf18("2","8","3","2","5","5","1") = "7"
    & skf18("2","8","3","2","5","6","1") = "7"
    & skf18("2","8","3","2","5","7","1") = "7"
    & skf18("2","8","3","2","5","8","1") = "7"
    & skf18("2","8","3","2","5","9","1") = "8"
    & skf18("2","8","3","2","5","10","1") = "9"
    & skf18("2","8","3","2","6","1","1") = "7"
    & skf18("2","8","3","2","6","2","1") = "7"
    & skf18("2","8","3","2","6","3","1") = "7"
    & skf18("2","8","3","2","6","4","1") = "7"
    & skf18("2","8","3","2","6","5","1") = "7"
    & skf18("2","8","3","2","6","6","1") = "7"
    & skf18("2","8","3","2","6","7","1") = "7"
    & skf18("2","8","3","2","6","8","1") = "7"
    & skf18("2","8","3","2","6","9","1") = "8"
    & skf18("2","8","3","2","6","10","1") = "9"
    & skf18("2","8","3","2","7","1","1") = "7"
    & skf18("2","8","3","2","7","2","1") = "7"
    & skf18("2","8","3","2","7","3","1") = "7"
    & skf18("2","8","3","2","7","4","1") = "7"
    & skf18("2","8","3","2","7","5","1") = "7"
    & skf18("2","8","3","2","7","6","1") = "7"
    & skf18("2","8","3","2","7","7","1") = "7"
    & skf18("2","8","3","2","7","8","1") = "7"
    & skf18("2","8","3","2","7","9","1") = "8"
    & skf18("2","8","3","2","7","10","1") = "9"
    & skf18("2","8","3","2","8","1","1") = "7"
    & skf18("2","8","3","2","8","2","1") = "7"
    & skf18("2","8","3","2","8","3","1") = "7"
    & skf18("2","8","3","2","8","4","1") = "7"
    & skf18("2","8","3","2","8","5","1") = "7"
    & skf18("2","8","3","2","8","6","1") = "7"
    & skf18("2","8","3","2","8","7","1") = "7"
    & skf18("2","8","3","2","8","8","1") = "7"
    & skf18("2","8","3","2","8","9","1") = "8"
    & skf18("2","8","3","2","8","10","1") = "9"
    & skf18("2","8","3","2","9","1","1") = "8"
    & skf18("2","8","3","2","9","2","1") = "8"
    & skf18("2","8","3","2","9","3","1") = "8"
    & skf18("2","8","3","2","9","4","1") = "8"
    & skf18("2","8","3","2","9","5","1") = "8"
    & skf18("2","8","3","2","9","6","1") = "8"
    & skf18("2","8","3","2","9","7","1") = "8"
    & skf18("2","8","3","2","9","8","1") = "8"
    & skf18("2","8","3","2","9","9","1") = "8"
    & skf18("2","8","3","2","9","10","1") = "9"
    & skf18("2","8","3","2","10","1","1") = "9"
    & skf18("2","8","3","2","10","2","1") = "9"
    & skf18("2","8","3","2","10","3","1") = "9"
    & skf18("2","8","3","2","10","4","1") = "9"
    & skf18("2","8","3","2","10","5","1") = "9"
    & skf18("2","8","3","2","10","6","1") = "9"
    & skf18("2","8","3","2","10","7","1") = "9"
    & skf18("2","8","3","2","10","8","1") = "9"
    & skf18("2","8","3","2","10","9","1") = "9"
    & skf18("2","8","3","2","10","10","1") = "9"
    & skf18("2","8","3","3","1","1","1") = "7"
    & skf18("2","8","3","3","1","2","1") = "7"
    & skf18("2","8","3","3","1","3","1") = "7"
    & skf18("2","8","3","3","1","4","1") = "7"
    & skf18("2","8","3","3","1","5","1") = "7"
    & skf18("2","8","3","3","1","6","1") = "7"
    & skf18("2","8","3","3","1","7","1") = "7"
    & skf18("2","8","3","3","1","8","1") = "7"
    & skf18("2","8","3","3","1","9","1") = "8"
    & skf18("2","8","3","3","1","10","1") = "9"
    & skf18("2","8","3","3","2","1","1") = "7"
    & skf18("2","8","3","3","2","2","1") = "7"
    & skf18("2","8","3","3","2","3","1") = "7"
    & skf18("2","8","3","3","2","4","1") = "7"
    & skf18("2","8","3","3","2","5","1") = "7"
    & skf18("2","8","3","3","2","6","1") = "7"
    & skf18("2","8","3","3","2","7","1") = "7"
    & skf18("2","8","3","3","2","8","1") = "7"
    & skf18("2","8","3","3","2","9","1") = "8"
    & skf18("2","8","3","3","2","10","1") = "9"
    & skf18("2","8","3","3","3","1","1") = "7"
    & skf18("2","8","3","3","3","2","1") = "7"
    & skf18("2","8","3","3","3","3","1") = "7"
    & skf18("2","8","3","3","3","4","1") = "7"
    & skf18("2","8","3","3","3","5","1") = "7"
    & skf18("2","8","3","3","3","6","1") = "7"
    & skf18("2","8","3","3","3","7","1") = "7"
    & skf18("2","8","3","3","3","8","1") = "7"
    & skf18("2","8","3","3","3","9","1") = "8"
    & skf18("2","8","3","3","3","10","1") = "9"
    & skf18("2","8","3","3","4","1","1") = "7"
    & skf18("2","8","3","3","4","2","1") = "7"
    & skf18("2","8","3","3","4","3","1") = "7"
    & skf18("2","8","3","3","4","4","1") = "7"
    & skf18("2","8","3","3","4","5","1") = "7"
    & skf18("2","8","3","3","4","6","1") = "7"
    & skf18("2","8","3","3","4","7","1") = "7"
    & skf18("2","8","3","3","4","8","1") = "7"
    & skf18("2","8","3","3","4","9","1") = "8"
    & skf18("2","8","3","3","4","10","1") = "9"
    & skf18("2","8","3","3","5","1","1") = "7"
    & skf18("2","8","3","3","5","2","1") = "7"
    & skf18("2","8","3","3","5","3","1") = "7"
    & skf18("2","8","3","3","5","4","1") = "7"
    & skf18("2","8","3","3","5","5","1") = "7"
    & skf18("2","8","3","3","5","6","1") = "7"
    & skf18("2","8","3","3","5","7","1") = "7"
    & skf18("2","8","3","3","5","8","1") = "7"
    & skf18("2","8","3","3","5","9","1") = "8"
    & skf18("2","8","3","3","5","10","1") = "9"
    & skf18("2","8","3","3","6","1","1") = "7"
    & skf18("2","8","3","3","6","2","1") = "7"
    & skf18("2","8","3","3","6","3","1") = "7"
    & skf18("2","8","3","3","6","4","1") = "7"
    & skf18("2","8","3","3","6","5","1") = "7"
    & skf18("2","8","3","3","6","6","1") = "7"
    & skf18("2","8","3","3","6","7","1") = "7"
    & skf18("2","8","3","3","6","8","1") = "7"
    & skf18("2","8","3","3","6","9","1") = "8"
    & skf18("2","8","3","3","6","10","1") = "9"
    & skf18("2","8","3","3","7","1","1") = "7"
    & skf18("2","8","3","3","7","2","1") = "7"
    & skf18("2","8","3","3","7","3","1") = "7"
    & skf18("2","8","3","3","7","4","1") = "7"
    & skf18("2","8","3","3","7","5","1") = "7"
    & skf18("2","8","3","3","7","6","1") = "7"
    & skf18("2","8","3","3","7","7","1") = "7"
    & skf18("2","8","3","3","7","8","1") = "7"
    & skf18("2","8","3","3","7","9","1") = "8"
    & skf18("2","8","3","3","7","10","1") = "9"
    & skf18("2","8","3","3","8","1","1") = "7"
    & skf18("2","8","3","3","8","2","1") = "7"
    & skf18("2","8","3","3","8","3","1") = "7"
    & skf18("2","8","3","3","8","4","1") = "7"
    & skf18("2","8","3","3","8","5","1") = "7"
    & skf18("2","8","3","3","8","6","1") = "7"
    & skf18("2","8","3","3","8","7","1") = "7"
    & skf18("2","8","3","3","8","8","1") = "7"
    & skf18("2","8","3","3","8","9","1") = "8"
    & skf18("2","8","3","3","8","10","1") = "9"
    & skf18("2","8","3","3","9","1","1") = "8"
    & skf18("2","8","3","3","9","2","1") = "8"
    & skf18("2","8","3","3","9","3","1") = "8"
    & skf18("2","8","3","3","9","4","1") = "8"
    & skf18("2","8","3","3","9","5","1") = "8"
    & skf18("2","8","3","3","9","6","1") = "8"
    & skf18("2","8","3","3","9","7","1") = "8"
    & skf18("2","8","3","3","9","8","1") = "8"
    & skf18("2","8","3","3","9","9","1") = "8"
    & skf18("2","8","3","3","9","10","1") = "9"
    & skf18("2","8","3","3","10","1","1") = "9"
    & skf18("2","8","3","3","10","2","1") = "9"
    & skf18("2","8","3","3","10","3","1") = "9"
    & skf18("2","8","3","3","10","4","1") = "9"
    & skf18("2","8","3","3","10","5","1") = "9"
    & skf18("2","8","3","3","10","6","1") = "9"
    & skf18("2","8","3","3","10","7","1") = "9"
    & skf18("2","8","3","3","10","8","1") = "9"
    & skf18("2","8","3","3","10","9","1") = "9"
    & skf18("2","8","3","3","10","10","1") = "9"
    & skf18("2","8","3","4","1","1","1") = "7"
    & skf18("2","8","3","4","1","2","1") = "7"
    & skf18("2","8","3","4","1","3","1") = "7"
    & skf18("2","8","3","4","1","4","1") = "7"
    & skf18("2","8","3","4","1","5","1") = "7"
    & skf18("2","8","3","4","1","6","1") = "7"
    & skf18("2","8","3","4","1","7","1") = "7"
    & skf18("2","8","3","4","1","8","1") = "7"
    & skf18("2","8","3","4","1","9","1") = "8"
    & skf18("2","8","3","4","1","10","1") = "9"
    & skf18("2","8","3","4","2","1","1") = "7"
    & skf18("2","8","3","4","2","2","1") = "7"
    & skf18("2","8","3","4","2","3","1") = "7"
    & skf18("2","8","3","4","2","4","1") = "7"
    & skf18("2","8","3","4","2","5","1") = "7"
    & skf18("2","8","3","4","2","6","1") = "7"
    & skf18("2","8","3","4","2","7","1") = "7"
    & skf18("2","8","3","4","2","8","1") = "7"
    & skf18("2","8","3","4","2","9","1") = "8"
    & skf18("2","8","3","4","2","10","1") = "9"
    & skf18("2","8","3","4","3","1","1") = "7"
    & skf18("2","8","3","4","3","2","1") = "7"
    & skf18("2","8","3","4","3","3","1") = "7"
    & skf18("2","8","3","4","3","4","1") = "7"
    & skf18("2","8","3","4","3","5","1") = "7"
    & skf18("2","8","3","4","3","6","1") = "7"
    & skf18("2","8","3","4","3","7","1") = "7"
    & skf18("2","8","3","4","3","8","1") = "7"
    & skf18("2","8","3","4","3","9","1") = "8"
    & skf18("2","8","3","4","3","10","1") = "9"
    & skf18("2","8","3","4","4","1","1") = "7"
    & skf18("2","8","3","4","4","2","1") = "7"
    & skf18("2","8","3","4","4","3","1") = "7"
    & skf18("2","8","3","4","4","4","1") = "7"
    & skf18("2","8","3","4","4","5","1") = "7"
    & skf18("2","8","3","4","4","6","1") = "7"
    & skf18("2","8","3","4","4","7","1") = "7"
    & skf18("2","8","3","4","4","8","1") = "7"
    & skf18("2","8","3","4","4","9","1") = "8"
    & skf18("2","8","3","4","4","10","1") = "9"
    & skf18("2","8","3","4","5","1","1") = "7"
    & skf18("2","8","3","4","5","2","1") = "7"
    & skf18("2","8","3","4","5","3","1") = "7"
    & skf18("2","8","3","4","5","4","1") = "7"
    & skf18("2","8","3","4","5","5","1") = "7"
    & skf18("2","8","3","4","5","6","1") = "7"
    & skf18("2","8","3","4","5","7","1") = "7"
    & skf18("2","8","3","4","5","8","1") = "7"
    & skf18("2","8","3","4","5","9","1") = "8"
    & skf18("2","8","3","4","5","10","1") = "9"
    & skf18("2","8","3","4","6","1","1") = "7"
    & skf18("2","8","3","4","6","2","1") = "7"
    & skf18("2","8","3","4","6","3","1") = "7"
    & skf18("2","8","3","4","6","4","1") = "7"
    & skf18("2","8","3","4","6","5","1") = "7"
    & skf18("2","8","3","4","6","6","1") = "7"
    & skf18("2","8","3","4","6","7","1") = "7"
    & skf18("2","8","3","4","6","8","1") = "7"
    & skf18("2","8","3","4","6","9","1") = "8"
    & skf18("2","8","3","4","6","10","1") = "9"
    & skf18("2","8","3","4","7","1","1") = "7"
    & skf18("2","8","3","4","7","2","1") = "7"
    & skf18("2","8","3","4","7","3","1") = "7"
    & skf18("2","8","3","4","7","4","1") = "7"
    & skf18("2","8","3","4","7","5","1") = "7"
    & skf18("2","8","3","4","7","6","1") = "7"
    & skf18("2","8","3","4","7","7","1") = "7"
    & skf18("2","8","3","4","7","8","1") = "7"
    & skf18("2","8","3","4","7","9","1") = "8"
    & skf18("2","8","3","4","7","10","1") = "9"
    & skf18("2","8","3","4","8","1","1") = "7"
    & skf18("2","8","3","4","8","2","1") = "7"
    & skf18("2","8","3","4","8","3","1") = "7"
    & skf18("2","8","3","4","8","4","1") = "7"
    & skf18("2","8","3","4","8","5","1") = "7"
    & skf18("2","8","3","4","8","6","1") = "7"
    & skf18("2","8","3","4","8","7","1") = "7"
    & skf18("2","8","3","4","8","8","1") = "7"
    & skf18("2","8","3","4","8","9","1") = "8"
    & skf18("2","8","3","4","8","10","1") = "9"
    & skf18("2","8","3","4","9","1","1") = "8"
    & skf18("2","8","3","4","9","2","1") = "8"
    & skf18("2","8","3","4","9","3","1") = "8"
    & skf18("2","8","3","4","9","4","1") = "8"
    & skf18("2","8","3","4","9","5","1") = "8"
    & skf18("2","8","3","4","9","6","1") = "8"
    & skf18("2","8","3","4","9","7","1") = "8"
    & skf18("2","8","3","4","9","8","1") = "8"
    & skf18("2","8","3","4","9","9","1") = "8"
    & skf18("2","8","3","4","9","10","1") = "9"
    & skf18("2","8","3","4","10","1","1") = "9"
    & skf18("2","8","3","4","10","2","1") = "9"
    & skf18("2","8","3","4","10","3","1") = "9"
    & skf18("2","8","3","4","10","4","1") = "9"
    & skf18("2","8","3","4","10","5","1") = "9"
    & skf18("2","8","3","4","10","6","1") = "9"
    & skf18("2","8","3","4","10","7","1") = "9"
    & skf18("2","8","3","4","10","8","1") = "9"
    & skf18("2","8","3","4","10","9","1") = "9"
    & skf18("2","8","3","4","10","10","1") = "9"
    & skf18("2","8","3","5","1","1","1") = "7"
    & skf18("2","8","3","5","1","2","1") = "7"
    & skf18("2","8","3","5","1","3","1") = "7"
    & skf18("2","8","3","5","1","4","1") = "7"
    & skf18("2","8","3","5","1","5","1") = "7"
    & skf18("2","8","3","5","1","6","1") = "7"
    & skf18("2","8","3","5","1","7","1") = "7"
    & skf18("2","8","3","5","1","8","1") = "7"
    & skf18("2","8","3","5","1","9","1") = "8"
    & skf18("2","8","3","5","1","10","1") = "9"
    & skf18("2","8","3","5","2","1","1") = "7"
    & skf18("2","8","3","5","2","2","1") = "7"
    & skf18("2","8","3","5","2","3","1") = "7"
    & skf18("2","8","3","5","2","4","1") = "7"
    & skf18("2","8","3","5","2","5","1") = "7"
    & skf18("2","8","3","5","2","6","1") = "7"
    & skf18("2","8","3","5","2","7","1") = "7"
    & skf18("2","8","3","5","2","8","1") = "7"
    & skf18("2","8","3","5","2","9","1") = "8"
    & skf18("2","8","3","5","2","10","1") = "9"
    & skf18("2","8","3","5","3","1","1") = "7"
    & skf18("2","8","3","5","3","2","1") = "7"
    & skf18("2","8","3","5","3","3","1") = "7"
    & skf18("2","8","3","5","3","4","1") = "7"
    & skf18("2","8","3","5","3","5","1") = "7"
    & skf18("2","8","3","5","3","6","1") = "7"
    & skf18("2","8","3","5","3","7","1") = "7"
    & skf18("2","8","3","5","3","8","1") = "7"
    & skf18("2","8","3","5","3","9","1") = "8"
    & skf18("2","8","3","5","3","10","1") = "9"
    & skf18("2","8","3","5","4","1","1") = "7"
    & skf18("2","8","3","5","4","2","1") = "7"
    & skf18("2","8","3","5","4","3","1") = "7"
    & skf18("2","8","3","5","4","4","1") = "7"
    & skf18("2","8","3","5","4","5","1") = "7"
    & skf18("2","8","3","5","4","6","1") = "7"
    & skf18("2","8","3","5","4","7","1") = "7"
    & skf18("2","8","3","5","4","8","1") = "7"
    & skf18("2","8","3","5","4","9","1") = "8"
    & skf18("2","8","3","5","4","10","1") = "9"
    & skf18("2","8","3","5","5","1","1") = "7"
    & skf18("2","8","3","5","5","2","1") = "7"
    & skf18("2","8","3","5","5","3","1") = "7"
    & skf18("2","8","3","5","5","4","1") = "7"
    & skf18("2","8","3","5","5","5","1") = "7"
    & skf18("2","8","3","5","5","6","1") = "7"
    & skf18("2","8","3","5","5","7","1") = "7"
    & skf18("2","8","3","5","5","8","1") = "7"
    & skf18("2","8","3","5","5","9","1") = "8"
    & skf18("2","8","3","5","5","10","1") = "9"
    & skf18("2","8","3","5","6","1","1") = "7"
    & skf18("2","8","3","5","6","2","1") = "7"
    & skf18("2","8","3","5","6","3","1") = "7"
    & skf18("2","8","3","5","6","4","1") = "7"
    & skf18("2","8","3","5","6","5","1") = "7"
    & skf18("2","8","3","5","6","6","1") = "7"
    & skf18("2","8","3","5","6","7","1") = "7"
    & skf18("2","8","3","5","6","8","1") = "7"
    & skf18("2","8","3","5","6","9","1") = "8"
    & skf18("2","8","3","5","6","10","1") = "9"
    & skf18("2","8","3","5","7","1","1") = "7"
    & skf18("2","8","3","5","7","2","1") = "7"
    & skf18("2","8","3","5","7","3","1") = "7"
    & skf18("2","8","3","5","7","4","1") = "7"
    & skf18("2","8","3","5","7","5","1") = "7"
    & skf18("2","8","3","5","7","6","1") = "7"
    & skf18("2","8","3","5","7","7","1") = "7"
    & skf18("2","8","3","5","7","8","1") = "7"
    & skf18("2","8","3","5","7","9","1") = "8"
    & skf18("2","8","3","5","7","10","1") = "9"
    & skf18("2","8","3","5","8","1","1") = "7"
    & skf18("2","8","3","5","8","2","1") = "7"
    & skf18("2","8","3","5","8","3","1") = "7"
    & skf18("2","8","3","5","8","4","1") = "7"
    & skf18("2","8","3","5","8","5","1") = "7"
    & skf18("2","8","3","5","8","6","1") = "7"
    & skf18("2","8","3","5","8","7","1") = "7"
    & skf18("2","8","3","5","8","8","1") = "7"
    & skf18("2","8","3","5","8","9","1") = "8"
    & skf18("2","8","3","5","8","10","1") = "9"
    & skf18("2","8","3","5","9","1","1") = "8"
    & skf18("2","8","3","5","9","2","1") = "8"
    & skf18("2","8","3","5","9","3","1") = "8"
    & skf18("2","8","3","5","9","4","1") = "8"
    & skf18("2","8","3","5","9","5","1") = "8"
    & skf18("2","8","3","5","9","6","1") = "8"
    & skf18("2","8","3","5","9","7","1") = "8"
    & skf18("2","8","3","5","9","8","1") = "8"
    & skf18("2","8","3","5","9","9","1") = "8"
    & skf18("2","8","3","5","9","10","1") = "9"
    & skf18("2","8","3","5","10","1","1") = "9"
    & skf18("2","8","3","5","10","2","1") = "9"
    & skf18("2","8","3","5","10","3","1") = "9"
    & skf18("2","8","3","5","10","4","1") = "9"
    & skf18("2","8","3","5","10","5","1") = "9"
    & skf18("2","8","3","5","10","6","1") = "9"
    & skf18("2","8","3","5","10","7","1") = "9"
    & skf18("2","8","3","5","10","8","1") = "9"
    & skf18("2","8","3","5","10","9","1") = "9"
    & skf18("2","8","3","5","10","10","1") = "9"
    & skf18("2","8","3","6","1","1","1") = "7"
    & skf18("2","8","3","6","1","2","1") = "7"
    & skf18("2","8","3","6","1","3","1") = "7"
    & skf18("2","8","3","6","1","4","1") = "7"
    & skf18("2","8","3","6","1","5","1") = "7"
    & skf18("2","8","3","6","1","6","1") = "7"
    & skf18("2","8","3","6","1","7","1") = "7"
    & skf18("2","8","3","6","1","8","1") = "7"
    & skf18("2","8","3","6","1","9","1") = "8"
    & skf18("2","8","3","6","1","10","1") = "9"
    & skf18("2","8","3","6","2","1","1") = "7"
    & skf18("2","8","3","6","2","2","1") = "7"
    & skf18("2","8","3","6","2","3","1") = "7"
    & skf18("2","8","3","6","2","4","1") = "7"
    & skf18("2","8","3","6","2","5","1") = "7"
    & skf18("2","8","3","6","2","6","1") = "7"
    & skf18("2","8","3","6","2","7","1") = "7"
    & skf18("2","8","3","6","2","8","1") = "7"
    & skf18("2","8","3","6","2","9","1") = "8"
    & skf18("2","8","3","6","2","10","1") = "9"
    & skf18("2","8","3","6","3","1","1") = "7"
    & skf18("2","8","3","6","3","2","1") = "7"
    & skf18("2","8","3","6","3","3","1") = "7"
    & skf18("2","8","3","6","3","4","1") = "7"
    & skf18("2","8","3","6","3","5","1") = "7"
    & skf18("2","8","3","6","3","6","1") = "7"
    & skf18("2","8","3","6","3","7","1") = "7"
    & skf18("2","8","3","6","3","8","1") = "7"
    & skf18("2","8","3","6","3","9","1") = "8"
    & skf18("2","8","3","6","3","10","1") = "9"
    & skf18("2","8","3","6","4","1","1") = "7"
    & skf18("2","8","3","6","4","2","1") = "7"
    & skf18("2","8","3","6","4","3","1") = "7"
    & skf18("2","8","3","6","4","4","1") = "7"
    & skf18("2","8","3","6","4","5","1") = "7"
    & skf18("2","8","3","6","4","6","1") = "7"
    & skf18("2","8","3","6","4","7","1") = "7"
    & skf18("2","8","3","6","4","8","1") = "7"
    & skf18("2","8","3","6","4","9","1") = "8"
    & skf18("2","8","3","6","4","10","1") = "9"
    & skf18("2","8","3","6","5","1","1") = "7"
    & skf18("2","8","3","6","5","2","1") = "7"
    & skf18("2","8","3","6","5","3","1") = "7"
    & skf18("2","8","3","6","5","4","1") = "7"
    & skf18("2","8","3","6","5","5","1") = "7"
    & skf18("2","8","3","6","5","6","1") = "7"
    & skf18("2","8","3","6","5","7","1") = "7"
    & skf18("2","8","3","6","5","8","1") = "7"
    & skf18("2","8","3","6","5","9","1") = "8"
    & skf18("2","8","3","6","5","10","1") = "9"
    & skf18("2","8","3","6","6","1","1") = "7"
    & skf18("2","8","3","6","6","2","1") = "7"
    & skf18("2","8","3","6","6","3","1") = "7"
    & skf18("2","8","3","6","6","4","1") = "7"
    & skf18("2","8","3","6","6","5","1") = "7"
    & skf18("2","8","3","6","6","6","1") = "7"
    & skf18("2","8","3","6","6","7","1") = "7"
    & skf18("2","8","3","6","6","8","1") = "7"
    & skf18("2","8","3","6","6","9","1") = "8"
    & skf18("2","8","3","6","6","10","1") = "9"
    & skf18("2","8","3","6","7","1","1") = "7"
    & skf18("2","8","3","6","7","2","1") = "7"
    & skf18("2","8","3","6","7","3","1") = "7"
    & skf18("2","8","3","6","7","4","1") = "7"
    & skf18("2","8","3","6","7","5","1") = "7"
    & skf18("2","8","3","6","7","6","1") = "7"
    & skf18("2","8","3","6","7","7","1") = "7"
    & skf18("2","8","3","6","7","8","1") = "7"
    & skf18("2","8","3","6","7","9","1") = "8"
    & skf18("2","8","3","6","7","10","1") = "9"
    & skf18("2","8","3","6","8","1","1") = "7"
    & skf18("2","8","3","6","8","2","1") = "7"
    & skf18("2","8","3","6","8","3","1") = "7"
    & skf18("2","8","3","6","8","4","1") = "7"
    & skf18("2","8","3","6","8","5","1") = "7"
    & skf18("2","8","3","6","8","6","1") = "7"
    & skf18("2","8","3","6","8","7","1") = "7"
    & skf18("2","8","3","6","8","8","1") = "7"
    & skf18("2","8","3","6","8","9","1") = "8"
    & skf18("2","8","3","6","8","10","1") = "9"
    & skf18("2","8","3","6","9","1","1") = "8"
    & skf18("2","8","3","6","9","2","1") = "8"
    & skf18("2","8","3","6","9","3","1") = "8"
    & skf18("2","8","3","6","9","4","1") = "8"
    & skf18("2","8","3","6","9","5","1") = "8"
    & skf18("2","8","3","6","9","6","1") = "8"
    & skf18("2","8","3","6","9","7","1") = "8"
    & skf18("2","8","3","6","9","8","1") = "8"
    & skf18("2","8","3","6","9","9","1") = "8"
    & skf18("2","8","3","6","9","10","1") = "9"
    & skf18("2","8","3","6","10","1","1") = "9"
    & skf18("2","8","3","6","10","2","1") = "9"
    & skf18("2","8","3","6","10","3","1") = "9"
    & skf18("2","8","3","6","10","4","1") = "9"
    & skf18("2","8","3","6","10","5","1") = "9"
    & skf18("2","8","3","6","10","6","1") = "9"
    & skf18("2","8","3","6","10","7","1") = "9"
    & skf18("2","8","3","6","10","8","1") = "9"
    & skf18("2","8","3","6","10","9","1") = "9"
    & skf18("2","8","3","6","10","10","1") = "9"
    & skf18("2","8","3","7","1","1","1") = "7"
    & skf18("2","8","3","7","1","2","1") = "7"
    & skf18("2","8","3","7","1","3","1") = "7"
    & skf18("2","8","3","7","1","4","1") = "7"
    & skf18("2","8","3","7","1","5","1") = "7"
    & skf18("2","8","3","7","1","6","1") = "7"
    & skf18("2","8","3","7","1","7","1") = "7"
    & skf18("2","8","3","7","1","8","1") = "7"
    & skf18("2","8","3","7","1","9","1") = "8"
    & skf18("2","8","3","7","1","10","1") = "9"
    & skf18("2","8","3","7","2","1","1") = "7"
    & skf18("2","8","3","7","2","2","1") = "7"
    & skf18("2","8","3","7","2","3","1") = "7"
    & skf18("2","8","3","7","2","4","1") = "7"
    & skf18("2","8","3","7","2","5","1") = "7"
    & skf18("2","8","3","7","2","6","1") = "7"
    & skf18("2","8","3","7","2","7","1") = "7"
    & skf18("2","8","3","7","2","8","1") = "7"
    & skf18("2","8","3","7","2","9","1") = "8"
    & skf18("2","8","3","7","2","10","1") = "9"
    & skf18("2","8","3","7","3","1","1") = "7"
    & skf18("2","8","3","7","3","2","1") = "7"
    & skf18("2","8","3","7","3","3","1") = "7"
    & skf18("2","8","3","7","3","4","1") = "7"
    & skf18("2","8","3","7","3","5","1") = "7"
    & skf18("2","8","3","7","3","6","1") = "7"
    & skf18("2","8","3","7","3","7","1") = "7"
    & skf18("2","8","3","7","3","8","1") = "7"
    & skf18("2","8","3","7","3","9","1") = "8"
    & skf18("2","8","3","7","3","10","1") = "9"
    & skf18("2","8","3","7","4","1","1") = "7"
    & skf18("2","8","3","7","4","2","1") = "7"
    & skf18("2","8","3","7","4","3","1") = "7"
    & skf18("2","8","3","7","4","4","1") = "7"
    & skf18("2","8","3","7","4","5","1") = "7"
    & skf18("2","8","3","7","4","6","1") = "7"
    & skf18("2","8","3","7","4","7","1") = "7"
    & skf18("2","8","3","7","4","8","1") = "7"
    & skf18("2","8","3","7","4","9","1") = "8"
    & skf18("2","8","3","7","4","10","1") = "9"
    & skf18("2","8","3","7","5","1","1") = "7"
    & skf18("2","8","3","7","5","2","1") = "7"
    & skf18("2","8","3","7","5","3","1") = "7"
    & skf18("2","8","3","7","5","4","1") = "7"
    & skf18("2","8","3","7","5","5","1") = "7"
    & skf18("2","8","3","7","5","6","1") = "7"
    & skf18("2","8","3","7","5","7","1") = "7"
    & skf18("2","8","3","7","5","8","1") = "7"
    & skf18("2","8","3","7","5","9","1") = "8"
    & skf18("2","8","3","7","5","10","1") = "9"
    & skf18("2","8","3","7","6","1","1") = "7"
    & skf18("2","8","3","7","6","2","1") = "7"
    & skf18("2","8","3","7","6","3","1") = "7"
    & skf18("2","8","3","7","6","4","1") = "7"
    & skf18("2","8","3","7","6","5","1") = "7"
    & skf18("2","8","3","7","6","6","1") = "7"
    & skf18("2","8","3","7","6","7","1") = "7"
    & skf18("2","8","3","7","6","8","1") = "7"
    & skf18("2","8","3","7","6","9","1") = "8"
    & skf18("2","8","3","7","6","10","1") = "9"
    & skf18("2","8","3","7","7","1","1") = "7"
    & skf18("2","8","3","7","7","2","1") = "7"
    & skf18("2","8","3","7","7","3","1") = "7"
    & skf18("2","8","3","7","7","4","1") = "7"
    & skf18("2","8","3","7","7","5","1") = "7"
    & skf18("2","8","3","7","7","6","1") = "7"
    & skf18("2","8","3","7","7","7","1") = "7"
    & skf18("2","8","3","7","7","8","1") = "7"
    & skf18("2","8","3","7","7","9","1") = "8"
    & skf18("2","8","3","7","7","10","1") = "9"
    & skf18("2","8","3","7","8","1","1") = "7"
    & skf18("2","8","3","7","8","2","1") = "7"
    & skf18("2","8","3","7","8","3","1") = "7"
    & skf18("2","8","3","7","8","4","1") = "7"
    & skf18("2","8","3","7","8","5","1") = "7"
    & skf18("2","8","3","7","8","6","1") = "7"
    & skf18("2","8","3","7","8","7","1") = "7"
    & skf18("2","8","3","7","8","8","1") = "7"
    & skf18("2","8","3","7","8","9","1") = "8"
    & skf18("2","8","3","7","8","10","1") = "9"
    & skf18("2","8","3","7","9","1","1") = "8"
    & skf18("2","8","3","7","9","2","1") = "8"
    & skf18("2","8","3","7","9","3","1") = "8"
    & skf18("2","8","3","7","9","4","1") = "8"
    & skf18("2","8","3","7","9","5","1") = "8"
    & skf18("2","8","3","7","9","6","1") = "8"
    & skf18("2","8","3","7","9","7","1") = "8"
    & skf18("2","8","3","7","9","8","1") = "8"
    & skf18("2","8","3","7","9","9","1") = "8"
    & skf18("2","8","3","7","9","10","1") = "9"
    & skf18("2","8","3","7","10","1","1") = "9"
    & skf18("2","8","3","7","10","2","1") = "9"
    & skf18("2","8","3","7","10","3","1") = "9"
    & skf18("2","8","3","7","10","4","1") = "9"
    & skf18("2","8","3","7","10","5","1") = "9"
    & skf18("2","8","3","7","10","6","1") = "9"
    & skf18("2","8","3","7","10","7","1") = "9"
    & skf18("2","8","3","7","10","8","1") = "9"
    & skf18("2","8","3","7","10","9","1") = "9"
    & skf18("2","8","3","7","10","10","1") = "9"
    & skf18("2","8","3","8","1","1","1") = "7"
    & skf18("2","8","3","8","1","2","1") = "7"
    & skf18("2","8","3","8","1","3","1") = "7"
    & skf18("2","8","3","8","1","4","1") = "7"
    & skf18("2","8","3","8","1","5","1") = "7"
    & skf18("2","8","3","8","1","6","1") = "7"
    & skf18("2","8","3","8","1","7","1") = "7"
    & skf18("2","8","3","8","1","8","1") = "7"
    & skf18("2","8","3","8","1","9","1") = "8"
    & skf18("2","8","3","8","1","10","1") = "9"
    & skf18("2","8","3","8","2","1","1") = "7"
    & skf18("2","8","3","8","2","2","1") = "7"
    & skf18("2","8","3","8","2","3","1") = "7"
    & skf18("2","8","3","8","2","4","1") = "7"
    & skf18("2","8","3","8","2","5","1") = "7"
    & skf18("2","8","3","8","2","6","1") = "7"
    & skf18("2","8","3","8","2","7","1") = "7"
    & skf18("2","8","3","8","2","8","1") = "7"
    & skf18("2","8","3","8","2","9","1") = "8"
    & skf18("2","8","3","8","2","10","1") = "9"
    & skf18("2","8","3","8","3","1","1") = "7"
    & skf18("2","8","3","8","3","2","1") = "7"
    & skf18("2","8","3","8","3","3","1") = "7"
    & skf18("2","8","3","8","3","4","1") = "7"
    & skf18("2","8","3","8","3","5","1") = "7"
    & skf18("2","8","3","8","3","6","1") = "7"
    & skf18("2","8","3","8","3","7","1") = "7"
    & skf18("2","8","3","8","3","8","1") = "7"
    & skf18("2","8","3","8","3","9","1") = "8"
    & skf18("2","8","3","8","3","10","1") = "9"
    & skf18("2","8","3","8","4","1","1") = "7"
    & skf18("2","8","3","8","4","2","1") = "7"
    & skf18("2","8","3","8","4","3","1") = "7"
    & skf18("2","8","3","8","4","4","1") = "7"
    & skf18("2","8","3","8","4","5","1") = "7"
    & skf18("2","8","3","8","4","6","1") = "7"
    & skf18("2","8","3","8","4","7","1") = "7"
    & skf18("2","8","3","8","4","8","1") = "7"
    & skf18("2","8","3","8","4","9","1") = "8"
    & skf18("2","8","3","8","4","10","1") = "9"
    & skf18("2","8","3","8","5","1","1") = "7"
    & skf18("2","8","3","8","5","2","1") = "7"
    & skf18("2","8","3","8","5","3","1") = "7"
    & skf18("2","8","3","8","5","4","1") = "7"
    & skf18("2","8","3","8","5","5","1") = "7"
    & skf18("2","8","3","8","5","6","1") = "7"
    & skf18("2","8","3","8","5","7","1") = "7"
    & skf18("2","8","3","8","5","8","1") = "7"
    & skf18("2","8","3","8","5","9","1") = "8"
    & skf18("2","8","3","8","5","10","1") = "9"
    & skf18("2","8","3","8","6","1","1") = "7"
    & skf18("2","8","3","8","6","2","1") = "7"
    & skf18("2","8","3","8","6","3","1") = "7"
    & skf18("2","8","3","8","6","4","1") = "7"
    & skf18("2","8","3","8","6","5","1") = "7"
    & skf18("2","8","3","8","6","6","1") = "7"
    & skf18("2","8","3","8","6","7","1") = "7"
    & skf18("2","8","3","8","6","8","1") = "7"
    & skf18("2","8","3","8","6","9","1") = "8"
    & skf18("2","8","3","8","6","10","1") = "9"
    & skf18("2","8","3","8","7","1","1") = "7"
    & skf18("2","8","3","8","7","2","1") = "7"
    & skf18("2","8","3","8","7","3","1") = "7"
    & skf18("2","8","3","8","7","4","1") = "7"
    & skf18("2","8","3","8","7","5","1") = "7"
    & skf18("2","8","3","8","7","6","1") = "7"
    & skf18("2","8","3","8","7","7","1") = "7"
    & skf18("2","8","3","8","7","8","1") = "7"
    & skf18("2","8","3","8","7","9","1") = "8"
    & skf18("2","8","3","8","7","10","1") = "9"
    & skf18("2","8","3","8","8","1","1") = "7"
    & skf18("2","8","3","8","8","2","1") = "7"
    & skf18("2","8","3","8","8","3","1") = "7"
    & skf18("2","8","3","8","8","4","1") = "7"
    & skf18("2","8","3","8","8","5","1") = "7"
    & skf18("2","8","3","8","8","6","1") = "7"
    & skf18("2","8","3","8","8","7","1") = "7"
    & skf18("2","8","3","8","8","8","1") = "7"
    & skf18("2","8","3","8","8","9","1") = "8"
    & skf18("2","8","3","8","8","10","1") = "9"
    & skf18("2","8","3","8","9","1","1") = "8"
    & skf18("2","8","3","8","9","2","1") = "8"
    & skf18("2","8","3","8","9","3","1") = "8"
    & skf18("2","8","3","8","9","4","1") = "8"
    & skf18("2","8","3","8","9","5","1") = "8"
    & skf18("2","8","3","8","9","6","1") = "8"
    & skf18("2","8","3","8","9","7","1") = "8"
    & skf18("2","8","3","8","9","8","1") = "8"
    & skf18("2","8","3","8","9","9","1") = "8"
    & skf18("2","8","3","8","9","10","1") = "9"
    & skf18("2","8","3","8","10","1","1") = "9"
    & skf18("2","8","3","8","10","2","1") = "9"
    & skf18("2","8","3","8","10","3","1") = "9"
    & skf18("2","8","3","8","10","4","1") = "9"
    & skf18("2","8","3","8","10","5","1") = "9"
    & skf18("2","8","3","8","10","6","1") = "9"
    & skf18("2","8","3","8","10","7","1") = "9"
    & skf18("2","8","3","8","10","8","1") = "9"
    & skf18("2","8","3","8","10","9","1") = "9"
    & skf18("2","8","3","8","10","10","1") = "9"
    & skf18("2","8","3","9","1","1","1") = "8"
    & skf18("2","8","3","9","1","2","1") = "8"
    & skf18("2","8","3","9","1","3","1") = "8"
    & skf18("2","8","3","9","1","4","1") = "8"
    & skf18("2","8","3","9","1","5","1") = "8"
    & skf18("2","8","3","9","1","6","1") = "8"
    & skf18("2","8","3","9","1","7","1") = "8"
    & skf18("2","8","3","9","1","8","1") = "8"
    & skf18("2","8","3","9","1","9","1") = "8"
    & skf18("2","8","3","9","1","10","1") = "9"
    & skf18("2","8","3","9","2","1","1") = "8"
    & skf18("2","8","3","9","2","2","1") = "8"
    & skf18("2","8","3","9","2","3","1") = "8"
    & skf18("2","8","3","9","2","4","1") = "8"
    & skf18("2","8","3","9","2","5","1") = "8"
    & skf18("2","8","3","9","2","6","1") = "8"
    & skf18("2","8","3","9","2","7","1") = "8"
    & skf18("2","8","3","9","2","8","1") = "8"
    & skf18("2","8","3","9","2","9","1") = "8"
    & skf18("2","8","3","9","2","10","1") = "9"
    & skf18("2","8","3","9","3","1","1") = "8"
    & skf18("2","8","3","9","3","2","1") = "8"
    & skf18("2","8","3","9","3","3","1") = "8"
    & skf18("2","8","3","9","3","4","1") = "8"
    & skf18("2","8","3","9","3","5","1") = "8"
    & skf18("2","8","3","9","3","6","1") = "8"
    & skf18("2","8","3","9","3","7","1") = "8"
    & skf18("2","8","3","9","3","8","1") = "8"
    & skf18("2","8","3","9","3","9","1") = "8"
    & skf18("2","8","3","9","3","10","1") = "9"
    & skf18("2","8","3","9","4","1","1") = "8"
    & skf18("2","8","3","9","4","2","1") = "8"
    & skf18("2","8","3","9","4","3","1") = "8"
    & skf18("2","8","3","9","4","4","1") = "8"
    & skf18("2","8","3","9","4","5","1") = "8"
    & skf18("2","8","3","9","4","6","1") = "8"
    & skf18("2","8","3","9","4","7","1") = "8"
    & skf18("2","8","3","9","4","8","1") = "8"
    & skf18("2","8","3","9","4","9","1") = "8"
    & skf18("2","8","3","9","4","10","1") = "9"
    & skf18("2","8","3","9","5","1","1") = "8"
    & skf18("2","8","3","9","5","2","1") = "8"
    & skf18("2","8","3","9","5","3","1") = "8"
    & skf18("2","8","3","9","5","4","1") = "8"
    & skf18("2","8","3","9","5","5","1") = "8"
    & skf18("2","8","3","9","5","6","1") = "8"
    & skf18("2","8","3","9","5","7","1") = "8"
    & skf18("2","8","3","9","5","8","1") = "8"
    & skf18("2","8","3","9","5","9","1") = "8"
    & skf18("2","8","3","9","5","10","1") = "9"
    & skf18("2","8","3","9","6","1","1") = "8"
    & skf18("2","8","3","9","6","2","1") = "8"
    & skf18("2","8","3","9","6","3","1") = "8"
    & skf18("2","8","3","9","6","4","1") = "8"
    & skf18("2","8","3","9","6","5","1") = "8"
    & skf18("2","8","3","9","6","6","1") = "8"
    & skf18("2","8","3","9","6","7","1") = "8"
    & skf18("2","8","3","9","6","8","1") = "8"
    & skf18("2","8","3","9","6","9","1") = "8"
    & skf18("2","8","3","9","6","10","1") = "9"
    & skf18("2","8","3","9","7","1","1") = "8"
    & skf18("2","8","3","9","7","2","1") = "8"
    & skf18("2","8","3","9","7","3","1") = "8"
    & skf18("2","8","3","9","7","4","1") = "8"
    & skf18("2","8","3","9","7","5","1") = "8"
    & skf18("2","8","3","9","7","6","1") = "8"
    & skf18("2","8","3","9","7","7","1") = "8"
    & skf18("2","8","3","9","7","8","1") = "8"
    & skf18("2","8","3","9","7","9","1") = "8"
    & skf18("2","8","3","9","7","10","1") = "9"
    & skf18("2","8","3","9","8","1","1") = "8"
    & skf18("2","8","3","9","8","2","1") = "8"
    & skf18("2","8","3","9","8","3","1") = "8"
    & skf18("2","8","3","9","8","4","1") = "8"
    & skf18("2","8","3","9","8","5","1") = "8"
    & skf18("2","8","3","9","8","6","1") = "8"
    & skf18("2","8","3","9","8","7","1") = "8"
    & skf18("2","8","3","9","8","8","1") = "8"
    & skf18("2","8","3","9","8","9","1") = "8"
    & skf18("2","8","3","9","8","10","1") = "9"
    & skf18("2","8","3","9","9","1","1") = "8"
    & skf18("2","8","3","9","9","2","1") = "8"
    & skf18("2","8","3","9","9","3","1") = "8"
    & skf18("2","8","3","9","9","4","1") = "8"
    & skf18("2","8","3","9","9","5","1") = "8"
    & skf18("2","8","3","9","9","6","1") = "8"
    & skf18("2","8","3","9","9","7","1") = "8"
    & skf18("2","8","3","9","9","8","1") = "8"
    & skf18("2","8","3","9","9","9","1") = "8"
    & skf18("2","8","3","9","9","10","1") = "9"
    & skf18("2","8","3","9","10","1","1") = "9"
    & skf18("2","8","3","9","10","2","1") = "9"
    & skf18("2","8","3","9","10","3","1") = "9"
    & skf18("2","8","3","9","10","4","1") = "9"
    & skf18("2","8","3","9","10","5","1") = "9"
    & skf18("2","8","3","9","10","6","1") = "9"
    & skf18("2","8","3","9","10","7","1") = "9"
    & skf18("2","8","3","9","10","8","1") = "9"
    & skf18("2","8","3","9","10","9","1") = "9"
    & skf18("2","8","3","9","10","10","1") = "9"
    & skf18("2","8","3","10","1","1","1") = "9"
    & skf18("2","8","3","10","1","2","1") = "9"
    & skf18("2","8","3","10","1","3","1") = "9"
    & skf18("2","8","3","10","1","4","1") = "9"
    & skf18("2","8","3","10","1","5","1") = "9"
    & skf18("2","8","3","10","1","6","1") = "9"
    & skf18("2","8","3","10","1","7","1") = "9"
    & skf18("2","8","3","10","1","8","1") = "9"
    & skf18("2","8","3","10","1","9","1") = "9"
    & skf18("2","8","3","10","1","10","1") = "9"
    & skf18("2","8","3","10","2","1","1") = "9"
    & skf18("2","8","3","10","2","2","1") = "9"
    & skf18("2","8","3","10","2","3","1") = "9"
    & skf18("2","8","3","10","2","4","1") = "9"
    & skf18("2","8","3","10","2","5","1") = "9"
    & skf18("2","8","3","10","2","6","1") = "9"
    & skf18("2","8","3","10","2","7","1") = "9"
    & skf18("2","8","3","10","2","8","1") = "9"
    & skf18("2","8","3","10","2","9","1") = "9"
    & skf18("2","8","3","10","2","10","1") = "9"
    & skf18("2","8","3","10","3","1","1") = "9"
    & skf18("2","8","3","10","3","2","1") = "9"
    & skf18("2","8","3","10","3","3","1") = "9"
    & skf18("2","8","3","10","3","4","1") = "9"
    & skf18("2","8","3","10","3","5","1") = "9"
    & skf18("2","8","3","10","3","6","1") = "9"
    & skf18("2","8","3","10","3","7","1") = "9"
    & skf18("2","8","3","10","3","8","1") = "9"
    & skf18("2","8","3","10","3","9","1") = "9"
    & skf18("2","8","3","10","3","10","1") = "9"
    & skf18("2","8","3","10","4","1","1") = "9"
    & skf18("2","8","3","10","4","2","1") = "9"
    & skf18("2","8","3","10","4","3","1") = "9"
    & skf18("2","8","3","10","4","4","1") = "9"
    & skf18("2","8","3","10","4","5","1") = "9"
    & skf18("2","8","3","10","4","6","1") = "9"
    & skf18("2","8","3","10","4","7","1") = "9"
    & skf18("2","8","3","10","4","8","1") = "9"
    & skf18("2","8","3","10","4","9","1") = "9"
    & skf18("2","8","3","10","4","10","1") = "9"
    & skf18("2","8","3","10","5","1","1") = "9"
    & skf18("2","8","3","10","5","2","1") = "9"
    & skf18("2","8","3","10","5","3","1") = "9"
    & skf18("2","8","3","10","5","4","1") = "9"
    & skf18("2","8","3","10","5","5","1") = "9"
    & skf18("2","8","3","10","5","6","1") = "9"
    & skf18("2","8","3","10","5","7","1") = "9"
    & skf18("2","8","3","10","5","8","1") = "9"
    & skf18("2","8","3","10","5","9","1") = "9"
    & skf18("2","8","3","10","5","10","1") = "9"
    & skf18("2","8","3","10","6","1","1") = "9"
    & skf18("2","8","3","10","6","2","1") = "9"
    & skf18("2","8","3","10","6","3","1") = "9"
    & skf18("2","8","3","10","6","4","1") = "9"
    & skf18("2","8","3","10","6","5","1") = "9"
    & skf18("2","8","3","10","6","6","1") = "9"
    & skf18("2","8","3","10","6","7","1") = "9"
    & skf18("2","8","3","10","6","8","1") = "9"
    & skf18("2","8","3","10","6","9","1") = "9"
    & skf18("2","8","3","10","6","10","1") = "9"
    & skf18("2","8","3","10","7","1","1") = "9"
    & skf18("2","8","3","10","7","2","1") = "9"
    & skf18("2","8","3","10","7","3","1") = "9"
    & skf18("2","8","3","10","7","4","1") = "9"
    & skf18("2","8","3","10","7","5","1") = "9"
    & skf18("2","8","3","10","7","6","1") = "9"
    & skf18("2","8","3","10","7","7","1") = "9"
    & skf18("2","8","3","10","7","8","1") = "9"
    & skf18("2","8","3","10","7","9","1") = "9"
    & skf18("2","8","3","10","7","10","1") = "9"
    & skf18("2","8","3","10","8","1","1") = "9"
    & skf18("2","8","3","10","8","2","1") = "9"
    & skf18("2","8","3","10","8","3","1") = "9"
    & skf18("2","8","3","10","8","4","1") = "9"
    & skf18("2","8","3","10","8","5","1") = "9"
    & skf18("2","8","3","10","8","6","1") = "9"
    & skf18("2","8","3","10","8","7","1") = "9"
    & skf18("2","8","3","10","8","8","1") = "9"
    & skf18("2","8","3","10","8","9","1") = "9"
    & skf18("2","8","3","10","8","10","1") = "9"
    & skf18("2","8","3","10","9","1","1") = "9"
    & skf18("2","8","3","10","9","2","1") = "9"
    & skf18("2","8","3","10","9","3","1") = "9"
    & skf18("2","8","3","10","9","4","1") = "9"
    & skf18("2","8","3","10","9","5","1") = "9"
    & skf18("2","8","3","10","9","6","1") = "9"
    & skf18("2","8","3","10","9","7","1") = "9"
    & skf18("2","8","3","10","9","8","1") = "9"
    & skf18("2","8","3","10","9","9","1") = "9"
    & skf18("2","8","3","10","9","10","1") = "9"
    & skf18("2","8","3","10","10","1","1") = "9"
    & skf18("2","8","3","10","10","2","1") = "9"
    & skf18("2","8","3","10","10","3","1") = "9"
    & skf18("2","8","3","10","10","4","1") = "9"
    & skf18("2","8","3","10","10","5","1") = "9"
    & skf18("2","8","3","10","10","6","1") = "9"
    & skf18("2","8","3","10","10","7","1") = "9"
    & skf18("2","8","3","10","10","8","1") = "9"
    & skf18("2","8","3","10","10","9","1") = "9"
    & skf18("2","8","3","10","10","10","1") = "9"
    & skf18("2","8","4","1","1","1","1") = "7"
    & skf18("2","8","4","1","1","2","1") = "7"
    & skf18("2","8","4","1","1","3","1") = "7"
    & skf18("2","8","4","1","1","4","1") = "7"
    & skf18("2","8","4","1","1","5","1") = "7"
    & skf18("2","8","4","1","1","6","1") = "7"
    & skf18("2","8","4","1","1","7","1") = "7"
    & skf18("2","8","4","1","1","8","1") = "7"
    & skf18("2","8","4","1","1","9","1") = "8"
    & skf18("2","8","4","1","1","10","1") = "9"
    & skf18("2","8","4","1","2","1","1") = "7"
    & skf18("2","8","4","1","2","2","1") = "7"
    & skf18("2","8","4","1","2","3","1") = "7"
    & skf18("2","8","4","1","2","4","1") = "7"
    & skf18("2","8","4","1","2","5","1") = "7"
    & skf18("2","8","4","1","2","6","1") = "7"
    & skf18("2","8","4","1","2","7","1") = "7"
    & skf18("2","8","4","1","2","8","1") = "7"
    & skf18("2","8","4","1","2","9","1") = "8"
    & skf18("2","8","4","1","2","10","1") = "9"
    & skf18("2","8","4","1","3","1","1") = "7"
    & skf18("2","8","4","1","3","2","1") = "7"
    & skf18("2","8","4","1","3","3","1") = "7"
    & skf18("2","8","4","1","3","4","1") = "7"
    & skf18("2","8","4","1","3","5","1") = "7"
    & skf18("2","8","4","1","3","6","1") = "7"
    & skf18("2","8","4","1","3","7","1") = "7"
    & skf18("2","8","4","1","3","8","1") = "7"
    & skf18("2","8","4","1","3","9","1") = "8"
    & skf18("2","8","4","1","3","10","1") = "9"
    & skf18("2","8","4","1","4","1","1") = "7"
    & skf18("2","8","4","1","4","2","1") = "7"
    & skf18("2","8","4","1","4","3","1") = "7"
    & skf18("2","8","4","1","4","4","1") = "7"
    & skf18("2","8","4","1","4","5","1") = "7"
    & skf18("2","8","4","1","4","6","1") = "7"
    & skf18("2","8","4","1","4","7","1") = "7"
    & skf18("2","8","4","1","4","8","1") = "7"
    & skf18("2","8","4","1","4","9","1") = "8"
    & skf18("2","8","4","1","4","10","1") = "9"
    & skf18("2","8","4","1","5","1","1") = "7"
    & skf18("2","8","4","1","5","2","1") = "7"
    & skf18("2","8","4","1","5","3","1") = "7"
    & skf18("2","8","4","1","5","4","1") = "7"
    & skf18("2","8","4","1","5","5","1") = "7"
    & skf18("2","8","4","1","5","6","1") = "7"
    & skf18("2","8","4","1","5","7","1") = "7"
    & skf18("2","8","4","1","5","8","1") = "7"
    & skf18("2","8","4","1","5","9","1") = "8"
    & skf18("2","8","4","1","5","10","1") = "9"
    & skf18("2","8","4","1","6","1","1") = "7"
    & skf18("2","8","4","1","6","2","1") = "7"
    & skf18("2","8","4","1","6","3","1") = "7"
    & skf18("2","8","4","1","6","4","1") = "7"
    & skf18("2","8","4","1","6","5","1") = "7"
    & skf18("2","8","4","1","6","6","1") = "7"
    & skf18("2","8","4","1","6","7","1") = "7"
    & skf18("2","8","4","1","6","8","1") = "7"
    & skf18("2","8","4","1","6","9","1") = "8"
    & skf18("2","8","4","1","6","10","1") = "9"
    & skf18("2","8","4","1","7","1","1") = "7"
    & skf18("2","8","4","1","7","2","1") = "7"
    & skf18("2","8","4","1","7","3","1") = "7"
    & skf18("2","8","4","1","7","4","1") = "7"
    & skf18("2","8","4","1","7","5","1") = "7"
    & skf18("2","8","4","1","7","6","1") = "7"
    & skf18("2","8","4","1","7","7","1") = "7"
    & skf18("2","8","4","1","7","8","1") = "7"
    & skf18("2","8","4","1","7","9","1") = "8"
    & skf18("2","8","4","1","7","10","1") = "9"
    & skf18("2","8","4","1","8","1","1") = "7"
    & skf18("2","8","4","1","8","2","1") = "7"
    & skf18("2","8","4","1","8","3","1") = "7"
    & skf18("2","8","4","1","8","4","1") = "7"
    & skf18("2","8","4","1","8","5","1") = "7"
    & skf18("2","8","4","1","8","6","1") = "7"
    & skf18("2","8","4","1","8","7","1") = "7"
    & skf18("2","8","4","1","8","8","1") = "7"
    & skf18("2","8","4","1","8","9","1") = "8"
    & skf18("2","8","4","1","8","10","1") = "9"
    & skf18("2","8","4","1","9","1","1") = "8"
    & skf18("2","8","4","1","9","2","1") = "8"
    & skf18("2","8","4","1","9","3","1") = "8"
    & skf18("2","8","4","1","9","4","1") = "8"
    & skf18("2","8","4","1","9","5","1") = "8"
    & skf18("2","8","4","1","9","6","1") = "8"
    & skf18("2","8","4","1","9","7","1") = "8"
    & skf18("2","8","4","1","9","8","1") = "8"
    & skf18("2","8","4","1","9","9","1") = "8"
    & skf18("2","8","4","1","9","10","1") = "9"
    & skf18("2","8","4","1","10","1","1") = "9"
    & skf18("2","8","4","1","10","2","1") = "9"
    & skf18("2","8","4","1","10","3","1") = "9"
    & skf18("2","8","4","1","10","4","1") = "9"
    & skf18("2","8","4","1","10","5","1") = "9"
    & skf18("2","8","4","1","10","6","1") = "9"
    & skf18("2","8","4","1","10","7","1") = "9"
    & skf18("2","8","4","1","10","8","1") = "9"
    & skf18("2","8","4","1","10","9","1") = "9"
    & skf18("2","8","4","1","10","10","1") = "9"
    & skf18("2","8","4","2","1","1","1") = "7"
    & skf18("2","8","4","2","1","2","1") = "7"
    & skf18("2","8","4","2","1","3","1") = "7"
    & skf18("2","8","4","2","1","4","1") = "7"
    & skf18("2","8","4","2","1","5","1") = "7"
    & skf18("2","8","4","2","1","6","1") = "7"
    & skf18("2","8","4","2","1","7","1") = "7"
    & skf18("2","8","4","2","1","8","1") = "7"
    & skf18("2","8","4","2","1","9","1") = "8"
    & skf18("2","8","4","2","1","10","1") = "9"
    & skf18("2","8","4","2","2","1","1") = "7"
    & skf18("2","8","4","2","2","2","1") = "7"
    & skf18("2","8","4","2","2","3","1") = "7"
    & skf18("2","8","4","2","2","4","1") = "7"
    & skf18("2","8","4","2","2","5","1") = "7"
    & skf18("2","8","4","2","2","6","1") = "7"
    & skf18("2","8","4","2","2","7","1") = "7"
    & skf18("2","8","4","2","2","8","1") = "7"
    & skf18("2","8","4","2","2","9","1") = "8"
    & skf18("2","8","4","2","2","10","1") = "9"
    & skf18("2","8","4","2","3","1","1") = "7"
    & skf18("2","8","4","2","3","2","1") = "7"
    & skf18("2","8","4","2","3","3","1") = "7"
    & skf18("2","8","4","2","3","4","1") = "7"
    & skf18("2","8","4","2","3","5","1") = "7"
    & skf18("2","8","4","2","3","6","1") = "7"
    & skf18("2","8","4","2","3","7","1") = "7"
    & skf18("2","8","4","2","3","8","1") = "7"
    & skf18("2","8","4","2","3","9","1") = "8"
    & skf18("2","8","4","2","3","10","1") = "9"
    & skf18("2","8","4","2","4","1","1") = "7"
    & skf18("2","8","4","2","4","2","1") = "7"
    & skf18("2","8","4","2","4","3","1") = "7"
    & skf18("2","8","4","2","4","4","1") = "7"
    & skf18("2","8","4","2","4","5","1") = "7"
    & skf18("2","8","4","2","4","6","1") = "7"
    & skf18("2","8","4","2","4","7","1") = "7"
    & skf18("2","8","4","2","4","8","1") = "7"
    & skf18("2","8","4","2","4","9","1") = "8"
    & skf18("2","8","4","2","4","10","1") = "9"
    & skf18("2","8","4","2","5","1","1") = "7"
    & skf18("2","8","4","2","5","2","1") = "7"
    & skf18("2","8","4","2","5","3","1") = "7"
    & skf18("2","8","4","2","5","4","1") = "7"
    & skf18("2","8","4","2","5","5","1") = "7"
    & skf18("2","8","4","2","5","6","1") = "7"
    & skf18("2","8","4","2","5","7","1") = "7"
    & skf18("2","8","4","2","5","8","1") = "7"
    & skf18("2","8","4","2","5","9","1") = "8"
    & skf18("2","8","4","2","5","10","1") = "9"
    & skf18("2","8","4","2","6","1","1") = "7"
    & skf18("2","8","4","2","6","2","1") = "7"
    & skf18("2","8","4","2","6","3","1") = "7"
    & skf18("2","8","4","2","6","4","1") = "7"
    & skf18("2","8","4","2","6","5","1") = "7"
    & skf18("2","8","4","2","6","6","1") = "7"
    & skf18("2","8","4","2","6","7","1") = "7"
    & skf18("2","8","4","2","6","8","1") = "7"
    & skf18("2","8","4","2","6","9","1") = "8"
    & skf18("2","8","4","2","6","10","1") = "9"
    & skf18("2","8","4","2","7","1","1") = "7"
    & skf18("2","8","4","2","7","2","1") = "7"
    & skf18("2","8","4","2","7","3","1") = "7"
    & skf18("2","8","4","2","7","4","1") = "7"
    & skf18("2","8","4","2","7","5","1") = "7"
    & skf18("2","8","4","2","7","6","1") = "7"
    & skf18("2","8","4","2","7","7","1") = "7"
    & skf18("2","8","4","2","7","8","1") = "7"
    & skf18("2","8","4","2","7","9","1") = "8"
    & skf18("2","8","4","2","7","10","1") = "9"
    & skf18("2","8","4","2","8","1","1") = "7"
    & skf18("2","8","4","2","8","2","1") = "7"
    & skf18("2","8","4","2","8","3","1") = "7"
    & skf18("2","8","4","2","8","4","1") = "7"
    & skf18("2","8","4","2","8","5","1") = "7"
    & skf18("2","8","4","2","8","6","1") = "7"
    & skf18("2","8","4","2","8","7","1") = "7"
    & skf18("2","8","4","2","8","8","1") = "7"
    & skf18("2","8","4","2","8","9","1") = "8"
    & skf18("2","8","4","2","8","10","1") = "9"
    & skf18("2","8","4","2","9","1","1") = "8"
    & skf18("2","8","4","2","9","2","1") = "8"
    & skf18("2","8","4","2","9","3","1") = "8"
    & skf18("2","8","4","2","9","4","1") = "8"
    & skf18("2","8","4","2","9","5","1") = "8"
    & skf18("2","8","4","2","9","6","1") = "8"
    & skf18("2","8","4","2","9","7","1") = "8"
    & skf18("2","8","4","2","9","8","1") = "8"
    & skf18("2","8","4","2","9","9","1") = "8"
    & skf18("2","8","4","2","9","10","1") = "9"
    & skf18("2","8","4","2","10","1","1") = "9"
    & skf18("2","8","4","2","10","2","1") = "9"
    & skf18("2","8","4","2","10","3","1") = "9"
    & skf18("2","8","4","2","10","4","1") = "9"
    & skf18("2","8","4","2","10","5","1") = "9"
    & skf18("2","8","4","2","10","6","1") = "9"
    & skf18("2","8","4","2","10","7","1") = "9"
    & skf18("2","8","4","2","10","8","1") = "9"
    & skf18("2","8","4","2","10","9","1") = "9"
    & skf18("2","8","4","2","10","10","1") = "9"
    & skf18("2","8","4","3","1","1","1") = "7"
    & skf18("2","8","4","3","1","2","1") = "7"
    & skf18("2","8","4","3","1","3","1") = "7"
    & skf18("2","8","4","3","1","4","1") = "7"
    & skf18("2","8","4","3","1","5","1") = "7"
    & skf18("2","8","4","3","1","6","1") = "7"
    & skf18("2","8","4","3","1","7","1") = "7"
    & skf18("2","8","4","3","1","8","1") = "7"
    & skf18("2","8","4","3","1","9","1") = "8"
    & skf18("2","8","4","3","1","10","1") = "9"
    & skf18("2","8","4","3","2","1","1") = "7"
    & skf18("2","8","4","3","2","2","1") = "7"
    & skf18("2","8","4","3","2","3","1") = "7"
    & skf18("2","8","4","3","2","4","1") = "7"
    & skf18("2","8","4","3","2","5","1") = "7"
    & skf18("2","8","4","3","2","6","1") = "7"
    & skf18("2","8","4","3","2","7","1") = "7"
    & skf18("2","8","4","3","2","8","1") = "7"
    & skf18("2","8","4","3","2","9","1") = "8"
    & skf18("2","8","4","3","2","10","1") = "9"
    & skf18("2","8","4","3","3","1","1") = "7"
    & skf18("2","8","4","3","3","2","1") = "7"
    & skf18("2","8","4","3","3","3","1") = "7"
    & skf18("2","8","4","3","3","4","1") = "7"
    & skf18("2","8","4","3","3","5","1") = "7"
    & skf18("2","8","4","3","3","6","1") = "7"
    & skf18("2","8","4","3","3","7","1") = "7"
    & skf18("2","8","4","3","3","8","1") = "7"
    & skf18("2","8","4","3","3","9","1") = "8"
    & skf18("2","8","4","3","3","10","1") = "9"
    & skf18("2","8","4","3","4","1","1") = "7"
    & skf18("2","8","4","3","4","2","1") = "7"
    & skf18("2","8","4","3","4","3","1") = "7"
    & skf18("2","8","4","3","4","4","1") = "7"
    & skf18("2","8","4","3","4","5","1") = "7"
    & skf18("2","8","4","3","4","6","1") = "7"
    & skf18("2","8","4","3","4","7","1") = "7"
    & skf18("2","8","4","3","4","8","1") = "7"
    & skf18("2","8","4","3","4","9","1") = "8"
    & skf18("2","8","4","3","4","10","1") = "9"
    & skf18("2","8","4","3","5","1","1") = "7"
    & skf18("2","8","4","3","5","2","1") = "7"
    & skf18("2","8","4","3","5","3","1") = "7"
    & skf18("2","8","4","3","5","4","1") = "7"
    & skf18("2","8","4","3","5","5","1") = "7"
    & skf18("2","8","4","3","5","6","1") = "7"
    & skf18("2","8","4","3","5","7","1") = "7"
    & skf18("2","8","4","3","5","8","1") = "7"
    & skf18("2","8","4","3","5","9","1") = "8"
    & skf18("2","8","4","3","5","10","1") = "9"
    & skf18("2","8","4","3","6","1","1") = "7"
    & skf18("2","8","4","3","6","2","1") = "7"
    & skf18("2","8","4","3","6","3","1") = "7"
    & skf18("2","8","4","3","6","4","1") = "7"
    & skf18("2","8","4","3","6","5","1") = "7"
    & skf18("2","8","4","3","6","6","1") = "7"
    & skf18("2","8","4","3","6","7","1") = "7"
    & skf18("2","8","4","3","6","8","1") = "7"
    & skf18("2","8","4","3","6","9","1") = "8"
    & skf18("2","8","4","3","6","10","1") = "9"
    & skf18("2","8","4","3","7","1","1") = "7"
    & skf18("2","8","4","3","7","2","1") = "7"
    & skf18("2","8","4","3","7","3","1") = "7"
    & skf18("2","8","4","3","7","4","1") = "7"
    & skf18("2","8","4","3","7","5","1") = "7"
    & skf18("2","8","4","3","7","6","1") = "7"
    & skf18("2","8","4","3","7","7","1") = "7"
    & skf18("2","8","4","3","7","8","1") = "7"
    & skf18("2","8","4","3","7","9","1") = "8"
    & skf18("2","8","4","3","7","10","1") = "9"
    & skf18("2","8","4","3","8","1","1") = "7"
    & skf18("2","8","4","3","8","2","1") = "7"
    & skf18("2","8","4","3","8","3","1") = "7"
    & skf18("2","8","4","3","8","4","1") = "7"
    & skf18("2","8","4","3","8","5","1") = "7"
    & skf18("2","8","4","3","8","6","1") = "7"
    & skf18("2","8","4","3","8","7","1") = "7"
    & skf18("2","8","4","3","8","8","1") = "7"
    & skf18("2","8","4","3","8","9","1") = "8"
    & skf18("2","8","4","3","8","10","1") = "9"
    & skf18("2","8","4","3","9","1","1") = "8"
    & skf18("2","8","4","3","9","2","1") = "8"
    & skf18("2","8","4","3","9","3","1") = "8"
    & skf18("2","8","4","3","9","4","1") = "8"
    & skf18("2","8","4","3","9","5","1") = "8"
    & skf18("2","8","4","3","9","6","1") = "8"
    & skf18("2","8","4","3","9","7","1") = "8"
    & skf18("2","8","4","3","9","8","1") = "8"
    & skf18("2","8","4","3","9","9","1") = "8"
    & skf18("2","8","4","3","9","10","1") = "9"
    & skf18("2","8","4","3","10","1","1") = "9"
    & skf18("2","8","4","3","10","2","1") = "9"
    & skf18("2","8","4","3","10","3","1") = "9"
    & skf18("2","8","4","3","10","4","1") = "9"
    & skf18("2","8","4","3","10","5","1") = "9"
    & skf18("2","8","4","3","10","6","1") = "9"
    & skf18("2","8","4","3","10","7","1") = "9"
    & skf18("2","8","4","3","10","8","1") = "9"
    & skf18("2","8","4","3","10","9","1") = "9"
    & skf18("2","8","4","3","10","10","1") = "9"
    & skf18("2","8","4","4","1","1","1") = "7"
    & skf18("2","8","4","4","1","2","1") = "7"
    & skf18("2","8","4","4","1","3","1") = "7"
    & skf18("2","8","4","4","1","4","1") = "7"
    & skf18("2","8","4","4","1","5","1") = "7"
    & skf18("2","8","4","4","1","6","1") = "7"
    & skf18("2","8","4","4","1","7","1") = "7"
    & skf18("2","8","4","4","1","8","1") = "7"
    & skf18("2","8","4","4","1","9","1") = "8"
    & skf18("2","8","4","4","1","10","1") = "9"
    & skf18("2","8","4","4","2","1","1") = "7"
    & skf18("2","8","4","4","2","2","1") = "7"
    & skf18("2","8","4","4","2","3","1") = "7"
    & skf18("2","8","4","4","2","4","1") = "7"
    & skf18("2","8","4","4","2","5","1") = "7"
    & skf18("2","8","4","4","2","6","1") = "7"
    & skf18("2","8","4","4","2","7","1") = "7"
    & skf18("2","8","4","4","2","8","1") = "7"
    & skf18("2","8","4","4","2","9","1") = "8"
    & skf18("2","8","4","4","2","10","1") = "9"
    & skf18("2","8","4","4","3","1","1") = "7"
    & skf18("2","8","4","4","3","2","1") = "7"
    & skf18("2","8","4","4","3","3","1") = "7"
    & skf18("2","8","4","4","3","4","1") = "7"
    & skf18("2","8","4","4","3","5","1") = "7"
    & skf18("2","8","4","4","3","6","1") = "7"
    & skf18("2","8","4","4","3","7","1") = "7"
    & skf18("2","8","4","4","3","8","1") = "7"
    & skf18("2","8","4","4","3","9","1") = "8"
    & skf18("2","8","4","4","3","10","1") = "9"
    & skf18("2","8","4","4","4","1","1") = "7"
    & skf18("2","8","4","4","4","2","1") = "7"
    & skf18("2","8","4","4","4","3","1") = "7"
    & skf18("2","8","4","4","4","4","1") = "7"
    & skf18("2","8","4","4","4","5","1") = "7"
    & skf18("2","8","4","4","4","6","1") = "7"
    & skf18("2","8","4","4","4","7","1") = "7"
    & skf18("2","8","4","4","4","8","1") = "7"
    & skf18("2","8","4","4","4","9","1") = "8"
    & skf18("2","8","4","4","4","10","1") = "9"
    & skf18("2","8","4","4","5","1","1") = "7"
    & skf18("2","8","4","4","5","2","1") = "7"
    & skf18("2","8","4","4","5","3","1") = "7"
    & skf18("2","8","4","4","5","4","1") = "7"
    & skf18("2","8","4","4","5","5","1") = "7"
    & skf18("2","8","4","4","5","6","1") = "7"
    & skf18("2","8","4","4","5","7","1") = "7"
    & skf18("2","8","4","4","5","8","1") = "7"
    & skf18("2","8","4","4","5","9","1") = "8"
    & skf18("2","8","4","4","5","10","1") = "9"
    & skf18("2","8","4","4","6","1","1") = "7"
    & skf18("2","8","4","4","6","2","1") = "7"
    & skf18("2","8","4","4","6","3","1") = "7"
    & skf18("2","8","4","4","6","4","1") = "7"
    & skf18("2","8","4","4","6","5","1") = "7"
    & skf18("2","8","4","4","6","6","1") = "7"
    & skf18("2","8","4","4","6","7","1") = "7"
    & skf18("2","8","4","4","6","8","1") = "7"
    & skf18("2","8","4","4","6","9","1") = "8"
    & skf18("2","8","4","4","6","10","1") = "9"
    & skf18("2","8","4","4","7","1","1") = "7"
    & skf18("2","8","4","4","7","2","1") = "7"
    & skf18("2","8","4","4","7","3","1") = "7"
    & skf18("2","8","4","4","7","4","1") = "7"
    & skf18("2","8","4","4","7","5","1") = "7"
    & skf18("2","8","4","4","7","6","1") = "7"
    & skf18("2","8","4","4","7","7","1") = "7"
    & skf18("2","8","4","4","7","8","1") = "7"
    & skf18("2","8","4","4","7","9","1") = "8"
    & skf18("2","8","4","4","7","10","1") = "9"
    & skf18("2","8","4","4","8","1","1") = "7"
    & skf18("2","8","4","4","8","2","1") = "7"
    & skf18("2","8","4","4","8","3","1") = "7"
    & skf18("2","8","4","4","8","4","1") = "7"
    & skf18("2","8","4","4","8","5","1") = "7"
    & skf18("2","8","4","4","8","6","1") = "7"
    & skf18("2","8","4","4","8","7","1") = "7"
    & skf18("2","8","4","4","8","8","1") = "7"
    & skf18("2","8","4","4","8","9","1") = "8"
    & skf18("2","8","4","4","8","10","1") = "9"
    & skf18("2","8","4","4","9","1","1") = "8"
    & skf18("2","8","4","4","9","2","1") = "8"
    & skf18("2","8","4","4","9","3","1") = "8"
    & skf18("2","8","4","4","9","4","1") = "8"
    & skf18("2","8","4","4","9","5","1") = "8"
    & skf18("2","8","4","4","9","6","1") = "8"
    & skf18("2","8","4","4","9","7","1") = "8"
    & skf18("2","8","4","4","9","8","1") = "8"
    & skf18("2","8","4","4","9","9","1") = "8"
    & skf18("2","8","4","4","9","10","1") = "9"
    & skf18("2","8","4","4","10","1","1") = "9"
    & skf18("2","8","4","4","10","2","1") = "9"
    & skf18("2","8","4","4","10","3","1") = "9"
    & skf18("2","8","4","4","10","4","1") = "9"
    & skf18("2","8","4","4","10","5","1") = "9"
    & skf18("2","8","4","4","10","6","1") = "9"
    & skf18("2","8","4","4","10","7","1") = "9"
    & skf18("2","8","4","4","10","8","1") = "9"
    & skf18("2","8","4","4","10","9","1") = "9"
    & skf18("2","8","4","4","10","10","1") = "9"
    & skf18("2","8","4","5","1","1","1") = "7"
    & skf18("2","8","4","5","1","2","1") = "7"
    & skf18("2","8","4","5","1","3","1") = "7"
    & skf18("2","8","4","5","1","4","1") = "7"
    & skf18("2","8","4","5","1","5","1") = "7"
    & skf18("2","8","4","5","1","6","1") = "7"
    & skf18("2","8","4","5","1","7","1") = "7"
    & skf18("2","8","4","5","1","8","1") = "7"
    & skf18("2","8","4","5","1","9","1") = "8"
    & skf18("2","8","4","5","1","10","1") = "9"
    & skf18("2","8","4","5","2","1","1") = "7"
    & skf18("2","8","4","5","2","2","1") = "7"
    & skf18("2","8","4","5","2","3","1") = "7"
    & skf18("2","8","4","5","2","4","1") = "7"
    & skf18("2","8","4","5","2","5","1") = "7"
    & skf18("2","8","4","5","2","6","1") = "7"
    & skf18("2","8","4","5","2","7","1") = "7"
    & skf18("2","8","4","5","2","8","1") = "7"
    & skf18("2","8","4","5","2","9","1") = "8"
    & skf18("2","8","4","5","2","10","1") = "9"
    & skf18("2","8","4","5","3","1","1") = "7"
    & skf18("2","8","4","5","3","2","1") = "7"
    & skf18("2","8","4","5","3","3","1") = "7"
    & skf18("2","8","4","5","3","4","1") = "7"
    & skf18("2","8","4","5","3","5","1") = "7"
    & skf18("2","8","4","5","3","6","1") = "7"
    & skf18("2","8","4","5","3","7","1") = "7"
    & skf18("2","8","4","5","3","8","1") = "7"
    & skf18("2","8","4","5","3","9","1") = "8"
    & skf18("2","8","4","5","3","10","1") = "9"
    & skf18("2","8","4","5","4","1","1") = "7"
    & skf18("2","8","4","5","4","2","1") = "7"
    & skf18("2","8","4","5","4","3","1") = "7"
    & skf18("2","8","4","5","4","4","1") = "7"
    & skf18("2","8","4","5","4","5","1") = "7"
    & skf18("2","8","4","5","4","6","1") = "7"
    & skf18("2","8","4","5","4","7","1") = "7"
    & skf18("2","8","4","5","4","8","1") = "7"
    & skf18("2","8","4","5","4","9","1") = "8"
    & skf18("2","8","4","5","4","10","1") = "9"
    & skf18("2","8","4","5","5","1","1") = "7"
    & skf18("2","8","4","5","5","2","1") = "7"
    & skf18("2","8","4","5","5","3","1") = "7"
    & skf18("2","8","4","5","5","4","1") = "7"
    & skf18("2","8","4","5","5","5","1") = "7"
    & skf18("2","8","4","5","5","6","1") = "7"
    & skf18("2","8","4","5","5","7","1") = "7"
    & skf18("2","8","4","5","5","8","1") = "7"
    & skf18("2","8","4","5","5","9","1") = "8"
    & skf18("2","8","4","5","5","10","1") = "9"
    & skf18("2","8","4","5","6","1","1") = "7"
    & skf18("2","8","4","5","6","2","1") = "7"
    & skf18("2","8","4","5","6","3","1") = "7"
    & skf18("2","8","4","5","6","4","1") = "7"
    & skf18("2","8","4","5","6","5","1") = "7"
    & skf18("2","8","4","5","6","6","1") = "7"
    & skf18("2","8","4","5","6","7","1") = "7"
    & skf18("2","8","4","5","6","8","1") = "7"
    & skf18("2","8","4","5","6","9","1") = "8"
    & skf18("2","8","4","5","6","10","1") = "9"
    & skf18("2","8","4","5","7","1","1") = "7"
    & skf18("2","8","4","5","7","2","1") = "7"
    & skf18("2","8","4","5","7","3","1") = "7"
    & skf18("2","8","4","5","7","4","1") = "7"
    & skf18("2","8","4","5","7","5","1") = "7"
    & skf18("2","8","4","5","7","6","1") = "7"
    & skf18("2","8","4","5","7","7","1") = "7"
    & skf18("2","8","4","5","7","8","1") = "7"
    & skf18("2","8","4","5","7","9","1") = "8"
    & skf18("2","8","4","5","7","10","1") = "9"
    & skf18("2","8","4","5","8","1","1") = "7"
    & skf18("2","8","4","5","8","2","1") = "7"
    & skf18("2","8","4","5","8","3","1") = "7"
    & skf18("2","8","4","5","8","4","1") = "7"
    & skf18("2","8","4","5","8","5","1") = "7"
    & skf18("2","8","4","5","8","6","1") = "7"
    & skf18("2","8","4","5","8","7","1") = "7"
    & skf18("2","8","4","5","8","8","1") = "7"
    & skf18("2","8","4","5","8","9","1") = "8"
    & skf18("2","8","4","5","8","10","1") = "9"
    & skf18("2","8","4","5","9","1","1") = "8"
    & skf18("2","8","4","5","9","2","1") = "8"
    & skf18("2","8","4","5","9","3","1") = "8"
    & skf18("2","8","4","5","9","4","1") = "8"
    & skf18("2","8","4","5","9","5","1") = "8"
    & skf18("2","8","4","5","9","6","1") = "8"
    & skf18("2","8","4","5","9","7","1") = "8"
    & skf18("2","8","4","5","9","8","1") = "8"
    & skf18("2","8","4","5","9","9","1") = "8"
    & skf18("2","8","4","5","9","10","1") = "9"
    & skf18("2","8","4","5","10","1","1") = "9"
    & skf18("2","8","4","5","10","2","1") = "9"
    & skf18("2","8","4","5","10","3","1") = "9"
    & skf18("2","8","4","5","10","4","1") = "9"
    & skf18("2","8","4","5","10","5","1") = "9"
    & skf18("2","8","4","5","10","6","1") = "9"
    & skf18("2","8","4","5","10","7","1") = "9"
    & skf18("2","8","4","5","10","8","1") = "9"
    & skf18("2","8","4","5","10","9","1") = "9"
    & skf18("2","8","4","5","10","10","1") = "9"
    & skf18("2","8","4","6","1","1","1") = "7"
    & skf18("2","8","4","6","1","2","1") = "7"
    & skf18("2","8","4","6","1","3","1") = "7"
    & skf18("2","8","4","6","1","4","1") = "7"
    & skf18("2","8","4","6","1","5","1") = "7"
    & skf18("2","8","4","6","1","6","1") = "7"
    & skf18("2","8","4","6","1","7","1") = "7"
    & skf18("2","8","4","6","1","8","1") = "7"
    & skf18("2","8","4","6","1","9","1") = "8"
    & skf18("2","8","4","6","1","10","1") = "9"
    & skf18("2","8","4","6","2","1","1") = "7"
    & skf18("2","8","4","6","2","2","1") = "7"
    & skf18("2","8","4","6","2","3","1") = "7"
    & skf18("2","8","4","6","2","4","1") = "7"
    & skf18("2","8","4","6","2","5","1") = "7"
    & skf18("2","8","4","6","2","6","1") = "7"
    & skf18("2","8","4","6","2","7","1") = "7"
    & skf18("2","8","4","6","2","8","1") = "7"
    & skf18("2","8","4","6","2","9","1") = "8"
    & skf18("2","8","4","6","2","10","1") = "9"
    & skf18("2","8","4","6","3","1","1") = "7"
    & skf18("2","8","4","6","3","2","1") = "7"
    & skf18("2","8","4","6","3","3","1") = "7"
    & skf18("2","8","4","6","3","4","1") = "7"
    & skf18("2","8","4","6","3","5","1") = "7"
    & skf18("2","8","4","6","3","6","1") = "7"
    & skf18("2","8","4","6","3","7","1") = "7"
    & skf18("2","8","4","6","3","8","1") = "7"
    & skf18("2","8","4","6","3","9","1") = "8"
    & skf18("2","8","4","6","3","10","1") = "9"
    & skf18("2","8","4","6","4","1","1") = "7"
    & skf18("2","8","4","6","4","2","1") = "7"
    & skf18("2","8","4","6","4","3","1") = "7"
    & skf18("2","8","4","6","4","4","1") = "7"
    & skf18("2","8","4","6","4","5","1") = "7"
    & skf18("2","8","4","6","4","6","1") = "7"
    & skf18("2","8","4","6","4","7","1") = "7"
    & skf18("2","8","4","6","4","8","1") = "7"
    & skf18("2","8","4","6","4","9","1") = "8"
    & skf18("2","8","4","6","4","10","1") = "9"
    & skf18("2","8","4","6","5","1","1") = "7"
    & skf18("2","8","4","6","5","2","1") = "7"
    & skf18("2","8","4","6","5","3","1") = "7"
    & skf18("2","8","4","6","5","4","1") = "7"
    & skf18("2","8","4","6","5","5","1") = "7"
    & skf18("2","8","4","6","5","6","1") = "7"
    & skf18("2","8","4","6","5","7","1") = "7"
    & skf18("2","8","4","6","5","8","1") = "7"
    & skf18("2","8","4","6","5","9","1") = "8"
    & skf18("2","8","4","6","5","10","1") = "9"
    & skf18("2","8","4","6","6","1","1") = "7"
    & skf18("2","8","4","6","6","2","1") = "7"
    & skf18("2","8","4","6","6","3","1") = "7"
    & skf18("2","8","4","6","6","4","1") = "7"
    & skf18("2","8","4","6","6","5","1") = "7"
    & skf18("2","8","4","6","6","6","1") = "7"
    & skf18("2","8","4","6","6","7","1") = "7"
    & skf18("2","8","4","6","6","8","1") = "7"
    & skf18("2","8","4","6","6","9","1") = "8"
    & skf18("2","8","4","6","6","10","1") = "9"
    & skf18("2","8","4","6","7","1","1") = "7"
    & skf18("2","8","4","6","7","2","1") = "7"
    & skf18("2","8","4","6","7","3","1") = "7"
    & skf18("2","8","4","6","7","4","1") = "7"
    & skf18("2","8","4","6","7","5","1") = "7"
    & skf18("2","8","4","6","7","6","1") = "7"
    & skf18("2","8","4","6","7","7","1") = "7"
    & skf18("2","8","4","6","7","8","1") = "7"
    & skf18("2","8","4","6","7","9","1") = "8"
    & skf18("2","8","4","6","7","10","1") = "9"
    & skf18("2","8","4","6","8","1","1") = "7"
    & skf18("2","8","4","6","8","2","1") = "7"
    & skf18("2","8","4","6","8","3","1") = "7"
    & skf18("2","8","4","6","8","4","1") = "7"
    & skf18("2","8","4","6","8","5","1") = "7"
    & skf18("2","8","4","6","8","6","1") = "7"
    & skf18("2","8","4","6","8","7","1") = "7"
    & skf18("2","8","4","6","8","8","1") = "7"
    & skf18("2","8","4","6","8","9","1") = "8"
    & skf18("2","8","4","6","8","10","1") = "9"
    & skf18("2","8","4","6","9","1","1") = "8"
    & skf18("2","8","4","6","9","2","1") = "8"
    & skf18("2","8","4","6","9","3","1") = "8"
    & skf18("2","8","4","6","9","4","1") = "8"
    & skf18("2","8","4","6","9","5","1") = "8"
    & skf18("2","8","4","6","9","6","1") = "8"
    & skf18("2","8","4","6","9","7","1") = "8"
    & skf18("2","8","4","6","9","8","1") = "8"
    & skf18("2","8","4","6","9","9","1") = "8"
    & skf18("2","8","4","6","9","10","1") = "9"
    & skf18("2","8","4","6","10","1","1") = "9"
    & skf18("2","8","4","6","10","2","1") = "9"
    & skf18("2","8","4","6","10","3","1") = "9"
    & skf18("2","8","4","6","10","4","1") = "9"
    & skf18("2","8","4","6","10","5","1") = "9"
    & skf18("2","8","4","6","10","6","1") = "9"
    & skf18("2","8","4","6","10","7","1") = "9"
    & skf18("2","8","4","6","10","8","1") = "9"
    & skf18("2","8","4","6","10","9","1") = "9"
    & skf18("2","8","4","6","10","10","1") = "9"
    & skf18("2","8","4","7","1","1","1") = "7"
    & skf18("2","8","4","7","1","2","1") = "7"
    & skf18("2","8","4","7","1","3","1") = "7"
    & skf18("2","8","4","7","1","4","1") = "7"
    & skf18("2","8","4","7","1","5","1") = "7"
    & skf18("2","8","4","7","1","6","1") = "7"
    & skf18("2","8","4","7","1","7","1") = "7"
    & skf18("2","8","4","7","1","8","1") = "7"
    & skf18("2","8","4","7","1","9","1") = "8"
    & skf18("2","8","4","7","1","10","1") = "9"
    & skf18("2","8","4","7","2","1","1") = "7"
    & skf18("2","8","4","7","2","2","1") = "7"
    & skf18("2","8","4","7","2","3","1") = "7"
    & skf18("2","8","4","7","2","4","1") = "7"
    & skf18("2","8","4","7","2","5","1") = "7"
    & skf18("2","8","4","7","2","6","1") = "7"
    & skf18("2","8","4","7","2","7","1") = "7"
    & skf18("2","8","4","7","2","8","1") = "7"
    & skf18("2","8","4","7","2","9","1") = "8"
    & skf18("2","8","4","7","2","10","1") = "9"
    & skf18("2","8","4","7","3","1","1") = "7"
    & skf18("2","8","4","7","3","2","1") = "7"
    & skf18("2","8","4","7","3","3","1") = "7"
    & skf18("2","8","4","7","3","4","1") = "7"
    & skf18("2","8","4","7","3","5","1") = "7"
    & skf18("2","8","4","7","3","6","1") = "7"
    & skf18("2","8","4","7","3","7","1") = "7"
    & skf18("2","8","4","7","3","8","1") = "7"
    & skf18("2","8","4","7","3","9","1") = "8"
    & skf18("2","8","4","7","3","10","1") = "9"
    & skf18("2","8","4","7","4","1","1") = "7"
    & skf18("2","8","4","7","4","2","1") = "7"
    & skf18("2","8","4","7","4","3","1") = "7"
    & skf18("2","8","4","7","4","4","1") = "7"
    & skf18("2","8","4","7","4","5","1") = "7"
    & skf18("2","8","4","7","4","6","1") = "7"
    & skf18("2","8","4","7","4","7","1") = "7"
    & skf18("2","8","4","7","4","8","1") = "7"
    & skf18("2","8","4","7","4","9","1") = "8"
    & skf18("2","8","4","7","4","10","1") = "9"
    & skf18("2","8","4","7","5","1","1") = "7"
    & skf18("2","8","4","7","5","2","1") = "7"
    & skf18("2","8","4","7","5","3","1") = "7"
    & skf18("2","8","4","7","5","4","1") = "7"
    & skf18("2","8","4","7","5","5","1") = "7"
    & skf18("2","8","4","7","5","6","1") = "7"
    & skf18("2","8","4","7","5","7","1") = "7"
    & skf18("2","8","4","7","5","8","1") = "7"
    & skf18("2","8","4","7","5","9","1") = "8"
    & skf18("2","8","4","7","5","10","1") = "9"
    & skf18("2","8","4","7","6","1","1") = "7"
    & skf18("2","8","4","7","6","2","1") = "7"
    & skf18("2","8","4","7","6","3","1") = "7"
    & skf18("2","8","4","7","6","4","1") = "7"
    & skf18("2","8","4","7","6","5","1") = "7"
    & skf18("2","8","4","7","6","6","1") = "7"
    & skf18("2","8","4","7","6","7","1") = "7"
    & skf18("2","8","4","7","6","8","1") = "7"
    & skf18("2","8","4","7","6","9","1") = "8"
    & skf18("2","8","4","7","6","10","1") = "9"
    & skf18("2","8","4","7","7","1","1") = "7"
    & skf18("2","8","4","7","7","2","1") = "7"
    & skf18("2","8","4","7","7","3","1") = "7"
    & skf18("2","8","4","7","7","4","1") = "7"
    & skf18("2","8","4","7","7","5","1") = "7"
    & skf18("2","8","4","7","7","6","1") = "7"
    & skf18("2","8","4","7","7","7","1") = "7"
    & skf18("2","8","4","7","7","8","1") = "7"
    & skf18("2","8","4","7","7","9","1") = "8"
    & skf18("2","8","4","7","7","10","1") = "9"
    & skf18("2","8","4","7","8","1","1") = "7"
    & skf18("2","8","4","7","8","2","1") = "7"
    & skf18("2","8","4","7","8","3","1") = "7"
    & skf18("2","8","4","7","8","4","1") = "7"
    & skf18("2","8","4","7","8","5","1") = "7"
    & skf18("2","8","4","7","8","6","1") = "7"
    & skf18("2","8","4","7","8","7","1") = "7"
    & skf18("2","8","4","7","8","8","1") = "7"
    & skf18("2","8","4","7","8","9","1") = "8"
    & skf18("2","8","4","7","8","10","1") = "9"
    & skf18("2","8","4","7","9","1","1") = "8"
    & skf18("2","8","4","7","9","2","1") = "8"
    & skf18("2","8","4","7","9","3","1") = "8"
    & skf18("2","8","4","7","9","4","1") = "8"
    & skf18("2","8","4","7","9","5","1") = "8"
    & skf18("2","8","4","7","9","6","1") = "8"
    & skf18("2","8","4","7","9","7","1") = "8"
    & skf18("2","8","4","7","9","8","1") = "8"
    & skf18("2","8","4","7","9","9","1") = "8"
    & skf18("2","8","4","7","9","10","1") = "9"
    & skf18("2","8","4","7","10","1","1") = "9"
    & skf18("2","8","4","7","10","2","1") = "9"
    & skf18("2","8","4","7","10","3","1") = "9"
    & skf18("2","8","4","7","10","4","1") = "9"
    & skf18("2","8","4","7","10","5","1") = "9"
    & skf18("2","8","4","7","10","6","1") = "9"
    & skf18("2","8","4","7","10","7","1") = "9"
    & skf18("2","8","4","7","10","8","1") = "9"
    & skf18("2","8","4","7","10","9","1") = "9"
    & skf18("2","8","4","7","10","10","1") = "9"
    & skf18("2","8","4","8","1","1","1") = "7"
    & skf18("2","8","4","8","1","2","1") = "7"
    & skf18("2","8","4","8","1","3","1") = "7"
    & skf18("2","8","4","8","1","4","1") = "7"
    & skf18("2","8","4","8","1","5","1") = "7"
    & skf18("2","8","4","8","1","6","1") = "7"
    & skf18("2","8","4","8","1","7","1") = "7"
    & skf18("2","8","4","8","1","8","1") = "7"
    & skf18("2","8","4","8","1","9","1") = "8"
    & skf18("2","8","4","8","1","10","1") = "9"
    & skf18("2","8","4","8","2","1","1") = "7"
    & skf18("2","8","4","8","2","2","1") = "7"
    & skf18("2","8","4","8","2","3","1") = "7"
    & skf18("2","8","4","8","2","4","1") = "7"
    & skf18("2","8","4","8","2","5","1") = "7"
    & skf18("2","8","4","8","2","6","1") = "7"
    & skf18("2","8","4","8","2","7","1") = "7"
    & skf18("2","8","4","8","2","8","1") = "7"
    & skf18("2","8","4","8","2","9","1") = "8"
    & skf18("2","8","4","8","2","10","1") = "9"
    & skf18("2","8","4","8","3","1","1") = "7"
    & skf18("2","8","4","8","3","2","1") = "7"
    & skf18("2","8","4","8","3","3","1") = "7"
    & skf18("2","8","4","8","3","4","1") = "7"
    & skf18("2","8","4","8","3","5","1") = "7"
    & skf18("2","8","4","8","3","6","1") = "7"
    & skf18("2","8","4","8","3","7","1") = "7"
    & skf18("2","8","4","8","3","8","1") = "7"
    & skf18("2","8","4","8","3","9","1") = "8"
    & skf18("2","8","4","8","3","10","1") = "9"
    & skf18("2","8","4","8","4","1","1") = "7"
    & skf18("2","8","4","8","4","2","1") = "7"
    & skf18("2","8","4","8","4","3","1") = "7"
    & skf18("2","8","4","8","4","4","1") = "7"
    & skf18("2","8","4","8","4","5","1") = "7"
    & skf18("2","8","4","8","4","6","1") = "7"
    & skf18("2","8","4","8","4","7","1") = "7"
    & skf18("2","8","4","8","4","8","1") = "7"
    & skf18("2","8","4","8","4","9","1") = "8"
    & skf18("2","8","4","8","4","10","1") = "9"
    & skf18("2","8","4","8","5","1","1") = "7"
    & skf18("2","8","4","8","5","2","1") = "7"
    & skf18("2","8","4","8","5","3","1") = "7"
    & skf18("2","8","4","8","5","4","1") = "7"
    & skf18("2","8","4","8","5","5","1") = "7"
    & skf18("2","8","4","8","5","6","1") = "7"
    & skf18("2","8","4","8","5","7","1") = "7"
    & skf18("2","8","4","8","5","8","1") = "7"
    & skf18("2","8","4","8","5","9","1") = "8"
    & skf18("2","8","4","8","5","10","1") = "9"
    & skf18("2","8","4","8","6","1","1") = "7"
    & skf18("2","8","4","8","6","2","1") = "7"
    & skf18("2","8","4","8","6","3","1") = "7"
    & skf18("2","8","4","8","6","4","1") = "7"
    & skf18("2","8","4","8","6","5","1") = "7"
    & skf18("2","8","4","8","6","6","1") = "7"
    & skf18("2","8","4","8","6","7","1") = "7"
    & skf18("2","8","4","8","6","8","1") = "7"
    & skf18("2","8","4","8","6","9","1") = "8"
    & skf18("2","8","4","8","6","10","1") = "9"
    & skf18("2","8","4","8","7","1","1") = "7"
    & skf18("2","8","4","8","7","2","1") = "7"
    & skf18("2","8","4","8","7","3","1") = "7"
    & skf18("2","8","4","8","7","4","1") = "7"
    & skf18("2","8","4","8","7","5","1") = "7"
    & skf18("2","8","4","8","7","6","1") = "7"
    & skf18("2","8","4","8","7","7","1") = "7"
    & skf18("2","8","4","8","7","8","1") = "7"
    & skf18("2","8","4","8","7","9","1") = "8"
    & skf18("2","8","4","8","7","10","1") = "9"
    & skf18("2","8","4","8","8","1","1") = "7"
    & skf18("2","8","4","8","8","2","1") = "7"
    & skf18("2","8","4","8","8","3","1") = "7"
    & skf18("2","8","4","8","8","4","1") = "7"
    & skf18("2","8","4","8","8","5","1") = "7"
    & skf18("2","8","4","8","8","6","1") = "7"
    & skf18("2","8","4","8","8","7","1") = "7"
    & skf18("2","8","4","8","8","8","1") = "7"
    & skf18("2","8","4","8","8","9","1") = "8"
    & skf18("2","8","4","8","8","10","1") = "9"
    & skf18("2","8","4","8","9","1","1") = "8"
    & skf18("2","8","4","8","9","2","1") = "8"
    & skf18("2","8","4","8","9","3","1") = "8"
    & skf18("2","8","4","8","9","4","1") = "8"
    & skf18("2","8","4","8","9","5","1") = "8"
    & skf18("2","8","4","8","9","6","1") = "8"
    & skf18("2","8","4","8","9","7","1") = "8"
    & skf18("2","8","4","8","9","8","1") = "8"
    & skf18("2","8","4","8","9","9","1") = "8"
    & skf18("2","8","4","8","9","10","1") = "9"
    & skf18("2","8","4","8","10","1","1") = "9"
    & skf18("2","8","4","8","10","2","1") = "9"
    & skf18("2","8","4","8","10","3","1") = "9"
    & skf18("2","8","4","8","10","4","1") = "9"
    & skf18("2","8","4","8","10","5","1") = "9"
    & skf18("2","8","4","8","10","6","1") = "9"
    & skf18("2","8","4","8","10","7","1") = "9"
    & skf18("2","8","4","8","10","8","1") = "9"
    & skf18("2","8","4","8","10","9","1") = "9"
    & skf18("2","8","4","8","10","10","1") = "9"
    & skf18("2","8","4","9","1","1","1") = "8"
    & skf18("2","8","4","9","1","2","1") = "8"
    & skf18("2","8","4","9","1","3","1") = "8"
    & skf18("2","8","4","9","1","4","1") = "8"
    & skf18("2","8","4","9","1","5","1") = "8"
    & skf18("2","8","4","9","1","6","1") = "8"
    & skf18("2","8","4","9","1","7","1") = "8"
    & skf18("2","8","4","9","1","8","1") = "8"
    & skf18("2","8","4","9","1","9","1") = "8"
    & skf18("2","8","4","9","1","10","1") = "9"
    & skf18("2","8","4","9","2","1","1") = "8"
    & skf18("2","8","4","9","2","2","1") = "8"
    & skf18("2","8","4","9","2","3","1") = "8"
    & skf18("2","8","4","9","2","4","1") = "8"
    & skf18("2","8","4","9","2","5","1") = "8"
    & skf18("2","8","4","9","2","6","1") = "8"
    & skf18("2","8","4","9","2","7","1") = "8"
    & skf18("2","8","4","9","2","8","1") = "8"
    & skf18("2","8","4","9","2","9","1") = "8"
    & skf18("2","8","4","9","2","10","1") = "9"
    & skf18("2","8","4","9","3","1","1") = "8"
    & skf18("2","8","4","9","3","2","1") = "8"
    & skf18("2","8","4","9","3","3","1") = "8"
    & skf18("2","8","4","9","3","4","1") = "8"
    & skf18("2","8","4","9","3","5","1") = "8"
    & skf18("2","8","4","9","3","6","1") = "8"
    & skf18("2","8","4","9","3","7","1") = "8"
    & skf18("2","8","4","9","3","8","1") = "8"
    & skf18("2","8","4","9","3","9","1") = "8"
    & skf18("2","8","4","9","3","10","1") = "9"
    & skf18("2","8","4","9","4","1","1") = "8"
    & skf18("2","8","4","9","4","2","1") = "8"
    & skf18("2","8","4","9","4","3","1") = "8"
    & skf18("2","8","4","9","4","4","1") = "8"
    & skf18("2","8","4","9","4","5","1") = "8"
    & skf18("2","8","4","9","4","6","1") = "8"
    & skf18("2","8","4","9","4","7","1") = "8"
    & skf18("2","8","4","9","4","8","1") = "8"
    & skf18("2","8","4","9","4","9","1") = "8"
    & skf18("2","8","4","9","4","10","1") = "9"
    & skf18("2","8","4","9","5","1","1") = "8"
    & skf18("2","8","4","9","5","2","1") = "8"
    & skf18("2","8","4","9","5","3","1") = "8"
    & skf18("2","8","4","9","5","4","1") = "8"
    & skf18("2","8","4","9","5","5","1") = "8"
    & skf18("2","8","4","9","5","6","1") = "8"
    & skf18("2","8","4","9","5","7","1") = "8"
    & skf18("2","8","4","9","5","8","1") = "8"
    & skf18("2","8","4","9","5","9","1") = "8"
    & skf18("2","8","4","9","5","10","1") = "9"
    & skf18("2","8","4","9","6","1","1") = "8"
    & skf18("2","8","4","9","6","2","1") = "8"
    & skf18("2","8","4","9","6","3","1") = "8"
    & skf18("2","8","4","9","6","4","1") = "8"
    & skf18("2","8","4","9","6","5","1") = "8"
    & skf18("2","8","4","9","6","6","1") = "8"
    & skf18("2","8","4","9","6","7","1") = "8"
    & skf18("2","8","4","9","6","8","1") = "8"
    & skf18("2","8","4","9","6","9","1") = "8"
    & skf18("2","8","4","9","6","10","1") = "9"
    & skf18("2","8","4","9","7","1","1") = "8"
    & skf18("2","8","4","9","7","2","1") = "8"
    & skf18("2","8","4","9","7","3","1") = "8"
    & skf18("2","8","4","9","7","4","1") = "8"
    & skf18("2","8","4","9","7","5","1") = "8"
    & skf18("2","8","4","9","7","6","1") = "8"
    & skf18("2","8","4","9","7","7","1") = "8"
    & skf18("2","8","4","9","7","8","1") = "8"
    & skf18("2","8","4","9","7","9","1") = "8"
    & skf18("2","8","4","9","7","10","1") = "9"
    & skf18("2","8","4","9","8","1","1") = "8"
    & skf18("2","8","4","9","8","2","1") = "8"
    & skf18("2","8","4","9","8","3","1") = "8"
    & skf18("2","8","4","9","8","4","1") = "8"
    & skf18("2","8","4","9","8","5","1") = "8"
    & skf18("2","8","4","9","8","6","1") = "8"
    & skf18("2","8","4","9","8","7","1") = "8"
    & skf18("2","8","4","9","8","8","1") = "8"
    & skf18("2","8","4","9","8","9","1") = "8"
    & skf18("2","8","4","9","8","10","1") = "9"
    & skf18("2","8","4","9","9","1","1") = "8"
    & skf18("2","8","4","9","9","2","1") = "8"
    & skf18("2","8","4","9","9","3","1") = "8"
    & skf18("2","8","4","9","9","4","1") = "8"
    & skf18("2","8","4","9","9","5","1") = "8"
    & skf18("2","8","4","9","9","6","1") = "8"
    & skf18("2","8","4","9","9","7","1") = "8"
    & skf18("2","8","4","9","9","8","1") = "8"
    & skf18("2","8","4","9","9","9","1") = "8"
    & skf18("2","8","4","9","9","10","1") = "9"
    & skf18("2","8","4","9","10","1","1") = "9"
    & skf18("2","8","4","9","10","2","1") = "9"
    & skf18("2","8","4","9","10","3","1") = "9"
    & skf18("2","8","4","9","10","4","1") = "9"
    & skf18("2","8","4","9","10","5","1") = "9"
    & skf18("2","8","4","9","10","6","1") = "9"
    & skf18("2","8","4","9","10","7","1") = "9"
    & skf18("2","8","4","9","10","8","1") = "9"
    & skf18("2","8","4","9","10","9","1") = "9"
    & skf18("2","8","4","9","10","10","1") = "9"
    & skf18("2","8","4","10","1","1","1") = "9"
    & skf18("2","8","4","10","1","2","1") = "9"
    & skf18("2","8","4","10","1","3","1") = "9"
    & skf18("2","8","4","10","1","4","1") = "9"
    & skf18("2","8","4","10","1","5","1") = "9"
    & skf18("2","8","4","10","1","6","1") = "9"
    & skf18("2","8","4","10","1","7","1") = "9"
    & skf18("2","8","4","10","1","8","1") = "9"
    & skf18("2","8","4","10","1","9","1") = "9"
    & skf18("2","8","4","10","1","10","1") = "9"
    & skf18("2","8","4","10","2","1","1") = "9"
    & skf18("2","8","4","10","2","2","1") = "9"
    & skf18("2","8","4","10","2","3","1") = "9"
    & skf18("2","8","4","10","2","4","1") = "9"
    & skf18("2","8","4","10","2","5","1") = "9"
    & skf18("2","8","4","10","2","6","1") = "9"
    & skf18("2","8","4","10","2","7","1") = "9"
    & skf18("2","8","4","10","2","8","1") = "9"
    & skf18("2","8","4","10","2","9","1") = "9"
    & skf18("2","8","4","10","2","10","1") = "9"
    & skf18("2","8","4","10","3","1","1") = "9"
    & skf18("2","8","4","10","3","2","1") = "9"
    & skf18("2","8","4","10","3","3","1") = "9"
    & skf18("2","8","4","10","3","4","1") = "9"
    & skf18("2","8","4","10","3","5","1") = "9"
    & skf18("2","8","4","10","3","6","1") = "9"
    & skf18("2","8","4","10","3","7","1") = "9"
    & skf18("2","8","4","10","3","8","1") = "9"
    & skf18("2","8","4","10","3","9","1") = "9"
    & skf18("2","8","4","10","3","10","1") = "9"
    & skf18("2","8","4","10","4","1","1") = "9"
    & skf18("2","8","4","10","4","2","1") = "9"
    & skf18("2","8","4","10","4","3","1") = "9"
    & skf18("2","8","4","10","4","4","1") = "9"
    & skf18("2","8","4","10","4","5","1") = "9"
    & skf18("2","8","4","10","4","6","1") = "9"
    & skf18("2","8","4","10","4","7","1") = "9"
    & skf18("2","8","4","10","4","8","1") = "9"
    & skf18("2","8","4","10","4","9","1") = "9"
    & skf18("2","8","4","10","4","10","1") = "9"
    & skf18("2","8","4","10","5","1","1") = "9"
    & skf18("2","8","4","10","5","2","1") = "9"
    & skf18("2","8","4","10","5","3","1") = "9"
    & skf18("2","8","4","10","5","4","1") = "9"
    & skf18("2","8","4","10","5","5","1") = "9"
    & skf18("2","8","4","10","5","6","1") = "9"
    & skf18("2","8","4","10","5","7","1") = "9"
    & skf18("2","8","4","10","5","8","1") = "9"
    & skf18("2","8","4","10","5","9","1") = "9"
    & skf18("2","8","4","10","5","10","1") = "9"
    & skf18("2","8","4","10","6","1","1") = "9"
    & skf18("2","8","4","10","6","2","1") = "9"
    & skf18("2","8","4","10","6","3","1") = "9"
    & skf18("2","8","4","10","6","4","1") = "9"
    & skf18("2","8","4","10","6","5","1") = "9"
    & skf18("2","8","4","10","6","6","1") = "9"
    & skf18("2","8","4","10","6","7","1") = "9"
    & skf18("2","8","4","10","6","8","1") = "9"
    & skf18("2","8","4","10","6","9","1") = "9"
    & skf18("2","8","4","10","6","10","1") = "9"
    & skf18("2","8","4","10","7","1","1") = "9"
    & skf18("2","8","4","10","7","2","1") = "9"
    & skf18("2","8","4","10","7","3","1") = "9"
    & skf18("2","8","4","10","7","4","1") = "9"
    & skf18("2","8","4","10","7","5","1") = "9"
    & skf18("2","8","4","10","7","6","1") = "9"
    & skf18("2","8","4","10","7","7","1") = "9"
    & skf18("2","8","4","10","7","8","1") = "9"
    & skf18("2","8","4","10","7","9","1") = "9"
    & skf18("2","8","4","10","7","10","1") = "9"
    & skf18("2","8","4","10","8","1","1") = "9"
    & skf18("2","8","4","10","8","2","1") = "9"
    & skf18("2","8","4","10","8","3","1") = "9"
    & skf18("2","8","4","10","8","4","1") = "9"
    & skf18("2","8","4","10","8","5","1") = "9"
    & skf18("2","8","4","10","8","6","1") = "9"
    & skf18("2","8","4","10","8","7","1") = "9"
    & skf18("2","8","4","10","8","8","1") = "9"
    & skf18("2","8","4","10","8","9","1") = "9"
    & skf18("2","8","4","10","8","10","1") = "9"
    & skf18("2","8","4","10","9","1","1") = "9"
    & skf18("2","8","4","10","9","2","1") = "9"
    & skf18("2","8","4","10","9","3","1") = "9"
    & skf18("2","8","4","10","9","4","1") = "9"
    & skf18("2","8","4","10","9","5","1") = "9"
    & skf18("2","8","4","10","9","6","1") = "9"
    & skf18("2","8","4","10","9","7","1") = "9"
    & skf18("2","8","4","10","9","8","1") = "9"
    & skf18("2","8","4","10","9","9","1") = "9"
    & skf18("2","8","4","10","9","10","1") = "9"
    & skf18("2","8","4","10","10","1","1") = "9"
    & skf18("2","8","4","10","10","2","1") = "9"
    & skf18("2","8","4","10","10","3","1") = "9"
    & skf18("2","8","4","10","10","4","1") = "9"
    & skf18("2","8","4","10","10","5","1") = "9"
    & skf18("2","8","4","10","10","6","1") = "9"
    & skf18("2","8","4","10","10","7","1") = "9"
    & skf18("2","8","4","10","10","8","1") = "9"
    & skf18("2","8","4","10","10","9","1") = "9"
    & skf18("2","8","4","10","10","10","1") = "9"
    & skf18("2","8","5","1","1","1","1") = "7"
    & skf18("2","8","5","1","1","2","1") = "7"
    & skf18("2","8","5","1","1","3","1") = "7"
    & skf18("2","8","5","1","1","4","1") = "7"
    & skf18("2","8","5","1","1","5","1") = "7"
    & skf18("2","8","5","1","1","6","1") = "7"
    & skf18("2","8","5","1","1","7","1") = "7"
    & skf18("2","8","5","1","1","8","1") = "7"
    & skf18("2","8","5","1","1","9","1") = "8"
    & skf18("2","8","5","1","1","10","1") = "9"
    & skf18("2","8","5","1","2","1","1") = "7"
    & skf18("2","8","5","1","2","2","1") = "7"
    & skf18("2","8","5","1","2","3","1") = "7"
    & skf18("2","8","5","1","2","4","1") = "7"
    & skf18("2","8","5","1","2","5","1") = "7"
    & skf18("2","8","5","1","2","6","1") = "7"
    & skf18("2","8","5","1","2","7","1") = "7"
    & skf18("2","8","5","1","2","8","1") = "7"
    & skf18("2","8","5","1","2","9","1") = "8"
    & skf18("2","8","5","1","2","10","1") = "9"
    & skf18("2","8","5","1","3","1","1") = "7"
    & skf18("2","8","5","1","3","2","1") = "7"
    & skf18("2","8","5","1","3","3","1") = "7"
    & skf18("2","8","5","1","3","4","1") = "7"
    & skf18("2","8","5","1","3","5","1") = "7"
    & skf18("2","8","5","1","3","6","1") = "7"
    & skf18("2","8","5","1","3","7","1") = "7"
    & skf18("2","8","5","1","3","8","1") = "7"
    & skf18("2","8","5","1","3","9","1") = "8"
    & skf18("2","8","5","1","3","10","1") = "9"
    & skf18("2","8","5","1","4","1","1") = "7"
    & skf18("2","8","5","1","4","2","1") = "7"
    & skf18("2","8","5","1","4","3","1") = "7"
    & skf18("2","8","5","1","4","4","1") = "7"
    & skf18("2","8","5","1","4","5","1") = "7"
    & skf18("2","8","5","1","4","6","1") = "7"
    & skf18("2","8","5","1","4","7","1") = "7"
    & skf18("2","8","5","1","4","8","1") = "7"
    & skf18("2","8","5","1","4","9","1") = "8"
    & skf18("2","8","5","1","4","10","1") = "9"
    & skf18("2","8","5","1","5","1","1") = "7"
    & skf18("2","8","5","1","5","2","1") = "7"
    & skf18("2","8","5","1","5","3","1") = "7"
    & skf18("2","8","5","1","5","4","1") = "7"
    & skf18("2","8","5","1","5","5","1") = "7"
    & skf18("2","8","5","1","5","6","1") = "7"
    & skf18("2","8","5","1","5","7","1") = "7"
    & skf18("2","8","5","1","5","8","1") = "7"
    & skf18("2","8","5","1","5","9","1") = "8"
    & skf18("2","8","5","1","5","10","1") = "9"
    & skf18("2","8","5","1","6","1","1") = "7"
    & skf18("2","8","5","1","6","2","1") = "7"
    & skf18("2","8","5","1","6","3","1") = "7"
    & skf18("2","8","5","1","6","4","1") = "7"
    & skf18("2","8","5","1","6","5","1") = "7"
    & skf18("2","8","5","1","6","6","1") = "7"
    & skf18("2","8","5","1","6","7","1") = "7"
    & skf18("2","8","5","1","6","8","1") = "7"
    & skf18("2","8","5","1","6","9","1") = "8"
    & skf18("2","8","5","1","6","10","1") = "9"
    & skf18("2","8","5","1","7","1","1") = "7"
    & skf18("2","8","5","1","7","2","1") = "7"
    & skf18("2","8","5","1","7","3","1") = "7"
    & skf18("2","8","5","1","7","4","1") = "7"
    & skf18("2","8","5","1","7","5","1") = "7"
    & skf18("2","8","5","1","7","6","1") = "7"
    & skf18("2","8","5","1","7","7","1") = "7"
    & skf18("2","8","5","1","7","8","1") = "7"
    & skf18("2","8","5","1","7","9","1") = "8"
    & skf18("2","8","5","1","7","10","1") = "9"
    & skf18("2","8","5","1","8","1","1") = "7"
    & skf18("2","8","5","1","8","2","1") = "7"
    & skf18("2","8","5","1","8","3","1") = "7"
    & skf18("2","8","5","1","8","4","1") = "7"
    & skf18("2","8","5","1","8","5","1") = "7"
    & skf18("2","8","5","1","8","6","1") = "7"
    & skf18("2","8","5","1","8","7","1") = "7"
    & skf18("2","8","5","1","8","8","1") = "7"
    & skf18("2","8","5","1","8","9","1") = "8"
    & skf18("2","8","5","1","8","10","1") = "9"
    & skf18("2","8","5","1","9","1","1") = "8"
    & skf18("2","8","5","1","9","2","1") = "8"
    & skf18("2","8","5","1","9","3","1") = "8"
    & skf18("2","8","5","1","9","4","1") = "8"
    & skf18("2","8","5","1","9","5","1") = "8"
    & skf18("2","8","5","1","9","6","1") = "8"
    & skf18("2","8","5","1","9","7","1") = "8"
    & skf18("2","8","5","1","9","8","1") = "8"
    & skf18("2","8","5","1","9","9","1") = "8"
    & skf18("2","8","5","1","9","10","1") = "9"
    & skf18("2","8","5","1","10","1","1") = "9"
    & skf18("2","8","5","1","10","2","1") = "9"
    & skf18("2","8","5","1","10","3","1") = "9"
    & skf18("2","8","5","1","10","4","1") = "9"
    & skf18("2","8","5","1","10","5","1") = "9"
    & skf18("2","8","5","1","10","6","1") = "9"
    & skf18("2","8","5","1","10","7","1") = "9"
    & skf18("2","8","5","1","10","8","1") = "9"
    & skf18("2","8","5","1","10","9","1") = "9"
    & skf18("2","8","5","1","10","10","1") = "9"
    & skf18("2","8","5","2","1","1","1") = "7"
    & skf18("2","8","5","2","1","2","1") = "7"
    & skf18("2","8","5","2","1","3","1") = "7"
    & skf18("2","8","5","2","1","4","1") = "7"
    & skf18("2","8","5","2","1","5","1") = "7"
    & skf18("2","8","5","2","1","6","1") = "7"
    & skf18("2","8","5","2","1","7","1") = "7"
    & skf18("2","8","5","2","1","8","1") = "7"
    & skf18("2","8","5","2","1","9","1") = "8"
    & skf18("2","8","5","2","1","10","1") = "9"
    & skf18("2","8","5","2","2","1","1") = "7"
    & skf18("2","8","5","2","2","2","1") = "7"
    & skf18("2","8","5","2","2","3","1") = "7"
    & skf18("2","8","5","2","2","4","1") = "7"
    & skf18("2","8","5","2","2","5","1") = "7"
    & skf18("2","8","5","2","2","6","1") = "7"
    & skf18("2","8","5","2","2","7","1") = "7"
    & skf18("2","8","5","2","2","8","1") = "7"
    & skf18("2","8","5","2","2","9","1") = "8"
    & skf18("2","8","5","2","2","10","1") = "9"
    & skf18("2","8","5","2","3","1","1") = "7"
    & skf18("2","8","5","2","3","2","1") = "7"
    & skf18("2","8","5","2","3","3","1") = "7"
    & skf18("2","8","5","2","3","4","1") = "7"
    & skf18("2","8","5","2","3","5","1") = "7"
    & skf18("2","8","5","2","3","6","1") = "7"
    & skf18("2","8","5","2","3","7","1") = "7"
    & skf18("2","8","5","2","3","8","1") = "7"
    & skf18("2","8","5","2","3","9","1") = "8"
    & skf18("2","8","5","2","3","10","1") = "9"
    & skf18("2","8","5","2","4","1","1") = "7"
    & skf18("2","8","5","2","4","2","1") = "7"
    & skf18("2","8","5","2","4","3","1") = "7"
    & skf18("2","8","5","2","4","4","1") = "7"
    & skf18("2","8","5","2","4","5","1") = "7"
    & skf18("2","8","5","2","4","6","1") = "7"
    & skf18("2","8","5","2","4","7","1") = "7"
    & skf18("2","8","5","2","4","8","1") = "7"
    & skf18("2","8","5","2","4","9","1") = "8"
    & skf18("2","8","5","2","4","10","1") = "9"
    & skf18("2","8","5","2","5","1","1") = "7"
    & skf18("2","8","5","2","5","2","1") = "7"
    & skf18("2","8","5","2","5","3","1") = "7"
    & skf18("2","8","5","2","5","4","1") = "7"
    & skf18("2","8","5","2","5","5","1") = "7"
    & skf18("2","8","5","2","5","6","1") = "7"
    & skf18("2","8","5","2","5","7","1") = "7"
    & skf18("2","8","5","2","5","8","1") = "7"
    & skf18("2","8","5","2","5","9","1") = "8"
    & skf18("2","8","5","2","5","10","1") = "9"
    & skf18("2","8","5","2","6","1","1") = "7"
    & skf18("2","8","5","2","6","2","1") = "7"
    & skf18("2","8","5","2","6","3","1") = "7"
    & skf18("2","8","5","2","6","4","1") = "7"
    & skf18("2","8","5","2","6","5","1") = "7"
    & skf18("2","8","5","2","6","6","1") = "7"
    & skf18("2","8","5","2","6","7","1") = "7"
    & skf18("2","8","5","2","6","8","1") = "7"
    & skf18("2","8","5","2","6","9","1") = "8"
    & skf18("2","8","5","2","6","10","1") = "9"
    & skf18("2","8","5","2","7","1","1") = "7"
    & skf18("2","8","5","2","7","2","1") = "7"
    & skf18("2","8","5","2","7","3","1") = "7"
    & skf18("2","8","5","2","7","4","1") = "7"
    & skf18("2","8","5","2","7","5","1") = "7"
    & skf18("2","8","5","2","7","6","1") = "7"
    & skf18("2","8","5","2","7","7","1") = "7"
    & skf18("2","8","5","2","7","8","1") = "7"
    & skf18("2","8","5","2","7","9","1") = "8"
    & skf18("2","8","5","2","7","10","1") = "9"
    & skf18("2","8","5","2","8","1","1") = "7"
    & skf18("2","8","5","2","8","2","1") = "7"
    & skf18("2","8","5","2","8","3","1") = "7"
    & skf18("2","8","5","2","8","4","1") = "7"
    & skf18("2","8","5","2","8","5","1") = "7"
    & skf18("2","8","5","2","8","6","1") = "7"
    & skf18("2","8","5","2","8","7","1") = "7"
    & skf18("2","8","5","2","8","8","1") = "7"
    & skf18("2","8","5","2","8","9","1") = "8"
    & skf18("2","8","5","2","8","10","1") = "9"
    & skf18("2","8","5","2","9","1","1") = "8"
    & skf18("2","8","5","2","9","2","1") = "8"
    & skf18("2","8","5","2","9","3","1") = "8"
    & skf18("2","8","5","2","9","4","1") = "8"
    & skf18("2","8","5","2","9","5","1") = "8"
    & skf18("2","8","5","2","9","6","1") = "8"
    & skf18("2","8","5","2","9","7","1") = "8"
    & skf18("2","8","5","2","9","8","1") = "8"
    & skf18("2","8","5","2","9","9","1") = "8"
    & skf18("2","8","5","2","9","10","1") = "9"
    & skf18("2","8","5","2","10","1","1") = "9"
    & skf18("2","8","5","2","10","2","1") = "9"
    & skf18("2","8","5","2","10","3","1") = "9"
    & skf18("2","8","5","2","10","4","1") = "9"
    & skf18("2","8","5","2","10","5","1") = "9"
    & skf18("2","8","5","2","10","6","1") = "9"
    & skf18("2","8","5","2","10","7","1") = "9"
    & skf18("2","8","5","2","10","8","1") = "9"
    & skf18("2","8","5","2","10","9","1") = "9"
    & skf18("2","8","5","2","10","10","1") = "9"
    & skf18("2","8","5","3","1","1","1") = "7"
    & skf18("2","8","5","3","1","2","1") = "7"
    & skf18("2","8","5","3","1","3","1") = "7"
    & skf18("2","8","5","3","1","4","1") = "7"
    & skf18("2","8","5","3","1","5","1") = "7"
    & skf18("2","8","5","3","1","6","1") = "7"
    & skf18("2","8","5","3","1","7","1") = "7"
    & skf18("2","8","5","3","1","8","1") = "7"
    & skf18("2","8","5","3","1","9","1") = "8"
    & skf18("2","8","5","3","1","10","1") = "9"
    & skf18("2","8","5","3","2","1","1") = "7"
    & skf18("2","8","5","3","2","2","1") = "7"
    & skf18("2","8","5","3","2","3","1") = "7"
    & skf18("2","8","5","3","2","4","1") = "7"
    & skf18("2","8","5","3","2","5","1") = "7"
    & skf18("2","8","5","3","2","6","1") = "7"
    & skf18("2","8","5","3","2","7","1") = "7"
    & skf18("2","8","5","3","2","8","1") = "7"
    & skf18("2","8","5","3","2","9","1") = "8"
    & skf18("2","8","5","3","2","10","1") = "9"
    & skf18("2","8","5","3","3","1","1") = "7"
    & skf18("2","8","5","3","3","2","1") = "7"
    & skf18("2","8","5","3","3","3","1") = "7"
    & skf18("2","8","5","3","3","4","1") = "7"
    & skf18("2","8","5","3","3","5","1") = "7"
    & skf18("2","8","5","3","3","6","1") = "7"
    & skf18("2","8","5","3","3","7","1") = "7"
    & skf18("2","8","5","3","3","8","1") = "7"
    & skf18("2","8","5","3","3","9","1") = "8"
    & skf18("2","8","5","3","3","10","1") = "9"
    & skf18("2","8","5","3","4","1","1") = "7"
    & skf18("2","8","5","3","4","2","1") = "7"
    & skf18("2","8","5","3","4","3","1") = "7"
    & skf18("2","8","5","3","4","4","1") = "7"
    & skf18("2","8","5","3","4","5","1") = "7"
    & skf18("2","8","5","3","4","6","1") = "7"
    & skf18("2","8","5","3","4","7","1") = "7"
    & skf18("2","8","5","3","4","8","1") = "7"
    & skf18("2","8","5","3","4","9","1") = "8"
    & skf18("2","8","5","3","4","10","1") = "9"
    & skf18("2","8","5","3","5","1","1") = "7"
    & skf18("2","8","5","3","5","2","1") = "7"
    & skf18("2","8","5","3","5","3","1") = "7"
    & skf18("2","8","5","3","5","4","1") = "7"
    & skf18("2","8","5","3","5","5","1") = "7"
    & skf18("2","8","5","3","5","6","1") = "7"
    & skf18("2","8","5","3","5","7","1") = "7"
    & skf18("2","8","5","3","5","8","1") = "7"
    & skf18("2","8","5","3","5","9","1") = "8"
    & skf18("2","8","5","3","5","10","1") = "9"
    & skf18("2","8","5","3","6","1","1") = "7"
    & skf18("2","8","5","3","6","2","1") = "7"
    & skf18("2","8","5","3","6","3","1") = "7"
    & skf18("2","8","5","3","6","4","1") = "7"
    & skf18("2","8","5","3","6","5","1") = "7"
    & skf18("2","8","5","3","6","6","1") = "7"
    & skf18("2","8","5","3","6","7","1") = "7"
    & skf18("2","8","5","3","6","8","1") = "7"
    & skf18("2","8","5","3","6","9","1") = "8"
    & skf18("2","8","5","3","6","10","1") = "9"
    & skf18("2","8","5","3","7","1","1") = "7"
    & skf18("2","8","5","3","7","2","1") = "7"
    & skf18("2","8","5","3","7","3","1") = "7"
    & skf18("2","8","5","3","7","4","1") = "7"
    & skf18("2","8","5","3","7","5","1") = "7"
    & skf18("2","8","5","3","7","6","1") = "7"
    & skf18("2","8","5","3","7","7","1") = "7"
    & skf18("2","8","5","3","7","8","1") = "7"
    & skf18("2","8","5","3","7","9","1") = "8"
    & skf18("2","8","5","3","7","10","1") = "9"
    & skf18("2","8","5","3","8","1","1") = "7"
    & skf18("2","8","5","3","8","2","1") = "7"
    & skf18("2","8","5","3","8","3","1") = "7"
    & skf18("2","8","5","3","8","4","1") = "7"
    & skf18("2","8","5","3","8","5","1") = "7"
    & skf18("2","8","5","3","8","6","1") = "7"
    & skf18("2","8","5","3","8","7","1") = "7"
    & skf18("2","8","5","3","8","8","1") = "7"
    & skf18("2","8","5","3","8","9","1") = "8"
    & skf18("2","8","5","3","8","10","1") = "9"
    & skf18("2","8","5","3","9","1","1") = "8"
    & skf18("2","8","5","3","9","2","1") = "8"
    & skf18("2","8","5","3","9","3","1") = "8"
    & skf18("2","8","5","3","9","4","1") = "8"
    & skf18("2","8","5","3","9","5","1") = "8"
    & skf18("2","8","5","3","9","6","1") = "8"
    & skf18("2","8","5","3","9","7","1") = "8"
    & skf18("2","8","5","3","9","8","1") = "8"
    & skf18("2","8","5","3","9","9","1") = "8"
    & skf18("2","8","5","3","9","10","1") = "9"
    & skf18("2","8","5","3","10","1","1") = "9"
    & skf18("2","8","5","3","10","2","1") = "9"
    & skf18("2","8","5","3","10","3","1") = "9"
    & skf18("2","8","5","3","10","4","1") = "9"
    & skf18("2","8","5","3","10","5","1") = "9"
    & skf18("2","8","5","3","10","6","1") = "9"
    & skf18("2","8","5","3","10","7","1") = "9"
    & skf18("2","8","5","3","10","8","1") = "9"
    & skf18("2","8","5","3","10","9","1") = "9"
    & skf18("2","8","5","3","10","10","1") = "9"
    & skf18("2","8","5","4","1","1","1") = "7"
    & skf18("2","8","5","4","1","2","1") = "7"
    & skf18("2","8","5","4","1","3","1") = "7"
    & skf18("2","8","5","4","1","4","1") = "7"
    & skf18("2","8","5","4","1","5","1") = "7"
    & skf18("2","8","5","4","1","6","1") = "7"
    & skf18("2","8","5","4","1","7","1") = "7"
    & skf18("2","8","5","4","1","8","1") = "7"
    & skf18("2","8","5","4","1","9","1") = "8"
    & skf18("2","8","5","4","1","10","1") = "9"
    & skf18("2","8","5","4","2","1","1") = "7"
    & skf18("2","8","5","4","2","2","1") = "7"
    & skf18("2","8","5","4","2","3","1") = "7"
    & skf18("2","8","5","4","2","4","1") = "7"
    & skf18("2","8","5","4","2","5","1") = "7"
    & skf18("2","8","5","4","2","6","1") = "7"
    & skf18("2","8","5","4","2","7","1") = "7"
    & skf18("2","8","5","4","2","8","1") = "7"
    & skf18("2","8","5","4","2","9","1") = "8"
    & skf18("2","8","5","4","2","10","1") = "9"
    & skf18("2","8","5","4","3","1","1") = "7"
    & skf18("2","8","5","4","3","2","1") = "7"
    & skf18("2","8","5","4","3","3","1") = "7"
    & skf18("2","8","5","4","3","4","1") = "7"
    & skf18("2","8","5","4","3","5","1") = "7"
    & skf18("2","8","5","4","3","6","1") = "7"
    & skf18("2","8","5","4","3","7","1") = "7"
    & skf18("2","8","5","4","3","8","1") = "7"
    & skf18("2","8","5","4","3","9","1") = "8"
    & skf18("2","8","5","4","3","10","1") = "9"
    & skf18("2","8","5","4","4","1","1") = "7"
    & skf18("2","8","5","4","4","2","1") = "7"
    & skf18("2","8","5","4","4","3","1") = "7"
    & skf18("2","8","5","4","4","4","1") = "7"
    & skf18("2","8","5","4","4","5","1") = "7"
    & skf18("2","8","5","4","4","6","1") = "7"
    & skf18("2","8","5","4","4","7","1") = "7"
    & skf18("2","8","5","4","4","8","1") = "7"
    & skf18("2","8","5","4","4","9","1") = "8"
    & skf18("2","8","5","4","4","10","1") = "9"
    & skf18("2","8","5","4","5","1","1") = "7"
    & skf18("2","8","5","4","5","2","1") = "7"
    & skf18("2","8","5","4","5","3","1") = "7"
    & skf18("2","8","5","4","5","4","1") = "7"
    & skf18("2","8","5","4","5","5","1") = "7"
    & skf18("2","8","5","4","5","6","1") = "7"
    & skf18("2","8","5","4","5","7","1") = "7"
    & skf18("2","8","5","4","5","8","1") = "7"
    & skf18("2","8","5","4","5","9","1") = "8"
    & skf18("2","8","5","4","5","10","1") = "9"
    & skf18("2","8","5","4","6","1","1") = "7"
    & skf18("2","8","5","4","6","2","1") = "7"
    & skf18("2","8","5","4","6","3","1") = "7"
    & skf18("2","8","5","4","6","4","1") = "7"
    & skf18("2","8","5","4","6","5","1") = "7"
    & skf18("2","8","5","4","6","6","1") = "7"
    & skf18("2","8","5","4","6","7","1") = "7"
    & skf18("2","8","5","4","6","8","1") = "7"
    & skf18("2","8","5","4","6","9","1") = "8"
    & skf18("2","8","5","4","6","10","1") = "9"
    & skf18("2","8","5","4","7","1","1") = "7"
    & skf18("2","8","5","4","7","2","1") = "7"
    & skf18("2","8","5","4","7","3","1") = "7"
    & skf18("2","8","5","4","7","4","1") = "7"
    & skf18("2","8","5","4","7","5","1") = "7"
    & skf18("2","8","5","4","7","6","1") = "7"
    & skf18("2","8","5","4","7","7","1") = "7"
    & skf18("2","8","5","4","7","8","1") = "7"
    & skf18("2","8","5","4","7","9","1") = "8"
    & skf18("2","8","5","4","7","10","1") = "9"
    & skf18("2","8","5","4","8","1","1") = "7"
    & skf18("2","8","5","4","8","2","1") = "7"
    & skf18("2","8","5","4","8","3","1") = "7"
    & skf18("2","8","5","4","8","4","1") = "7"
    & skf18("2","8","5","4","8","5","1") = "7"
    & skf18("2","8","5","4","8","6","1") = "7"
    & skf18("2","8","5","4","8","7","1") = "7"
    & skf18("2","8","5","4","8","8","1") = "7"
    & skf18("2","8","5","4","8","9","1") = "8"
    & skf18("2","8","5","4","8","10","1") = "9"
    & skf18("2","8","5","4","9","1","1") = "8"
    & skf18("2","8","5","4","9","2","1") = "8"
    & skf18("2","8","5","4","9","3","1") = "8"
    & skf18("2","8","5","4","9","4","1") = "8"
    & skf18("2","8","5","4","9","5","1") = "8"
    & skf18("2","8","5","4","9","6","1") = "8"
    & skf18("2","8","5","4","9","7","1") = "8"
    & skf18("2","8","5","4","9","8","1") = "8"
    & skf18("2","8","5","4","9","9","1") = "8"
    & skf18("2","8","5","4","9","10","1") = "9"
    & skf18("2","8","5","4","10","1","1") = "9"
    & skf18("2","8","5","4","10","2","1") = "9"
    & skf18("2","8","5","4","10","3","1") = "9"
    & skf18("2","8","5","4","10","4","1") = "9"
    & skf18("2","8","5","4","10","5","1") = "9"
    & skf18("2","8","5","4","10","6","1") = "9"
    & skf18("2","8","5","4","10","7","1") = "9"
    & skf18("2","8","5","4","10","8","1") = "9"
    & skf18("2","8","5","4","10","9","1") = "9"
    & skf18("2","8","5","4","10","10","1") = "9"
    & skf18("2","8","5","5","1","1","1") = "7"
    & skf18("2","8","5","5","1","2","1") = "7"
    & skf18("2","8","5","5","1","3","1") = "7"
    & skf18("2","8","5","5","1","4","1") = "7"
    & skf18("2","8","5","5","1","5","1") = "7"
    & skf18("2","8","5","5","1","6","1") = "7"
    & skf18("2","8","5","5","1","7","1") = "7"
    & skf18("2","8","5","5","1","8","1") = "7"
    & skf18("2","8","5","5","1","9","1") = "8"
    & skf18("2","8","5","5","1","10","1") = "9"
    & skf18("2","8","5","5","2","1","1") = "7"
    & skf18("2","8","5","5","2","2","1") = "7"
    & skf18("2","8","5","5","2","3","1") = "7"
    & skf18("2","8","5","5","2","4","1") = "7"
    & skf18("2","8","5","5","2","5","1") = "7"
    & skf18("2","8","5","5","2","6","1") = "7"
    & skf18("2","8","5","5","2","7","1") = "7"
    & skf18("2","8","5","5","2","8","1") = "7"
    & skf18("2","8","5","5","2","9","1") = "8"
    & skf18("2","8","5","5","2","10","1") = "9"
    & skf18("2","8","5","5","3","1","1") = "7"
    & skf18("2","8","5","5","3","2","1") = "7"
    & skf18("2","8","5","5","3","3","1") = "7"
    & skf18("2","8","5","5","3","4","1") = "7"
    & skf18("2","8","5","5","3","5","1") = "7"
    & skf18("2","8","5","5","3","6","1") = "7"
    & skf18("2","8","5","5","3","7","1") = "7"
    & skf18("2","8","5","5","3","8","1") = "7"
    & skf18("2","8","5","5","3","9","1") = "8"
    & skf18("2","8","5","5","3","10","1") = "9"
    & skf18("2","8","5","5","4","1","1") = "7"
    & skf18("2","8","5","5","4","2","1") = "7"
    & skf18("2","8","5","5","4","3","1") = "7"
    & skf18("2","8","5","5","4","4","1") = "7"
    & skf18("2","8","5","5","4","5","1") = "7"
    & skf18("2","8","5","5","4","6","1") = "7"
    & skf18("2","8","5","5","4","7","1") = "7"
    & skf18("2","8","5","5","4","8","1") = "7"
    & skf18("2","8","5","5","4","9","1") = "8"
    & skf18("2","8","5","5","4","10","1") = "9"
    & skf18("2","8","5","5","5","1","1") = "7"
    & skf18("2","8","5","5","5","2","1") = "7"
    & skf18("2","8","5","5","5","3","1") = "7"
    & skf18("2","8","5","5","5","4","1") = "7"
    & skf18("2","8","5","5","5","5","1") = "7"
    & skf18("2","8","5","5","5","6","1") = "7"
    & skf18("2","8","5","5","5","7","1") = "7"
    & skf18("2","8","5","5","5","8","1") = "7"
    & skf18("2","8","5","5","5","9","1") = "8"
    & skf18("2","8","5","5","5","10","1") = "9"
    & skf18("2","8","5","5","6","1","1") = "7"
    & skf18("2","8","5","5","6","2","1") = "7"
    & skf18("2","8","5","5","6","3","1") = "7"
    & skf18("2","8","5","5","6","4","1") = "7"
    & skf18("2","8","5","5","6","5","1") = "7"
    & skf18("2","8","5","5","6","6","1") = "7"
    & skf18("2","8","5","5","6","7","1") = "7"
    & skf18("2","8","5","5","6","8","1") = "7"
    & skf18("2","8","5","5","6","9","1") = "8"
    & skf18("2","8","5","5","6","10","1") = "9"
    & skf18("2","8","5","5","7","1","1") = "7"
    & skf18("2","8","5","5","7","2","1") = "7"
    & skf18("2","8","5","5","7","3","1") = "7"
    & skf18("2","8","5","5","7","4","1") = "7"
    & skf18("2","8","5","5","7","5","1") = "7"
    & skf18("2","8","5","5","7","6","1") = "7"
    & skf18("2","8","5","5","7","7","1") = "7"
    & skf18("2","8","5","5","7","8","1") = "7"
    & skf18("2","8","5","5","7","9","1") = "8"
    & skf18("2","8","5","5","7","10","1") = "9"
    & skf18("2","8","5","5","8","1","1") = "7"
    & skf18("2","8","5","5","8","2","1") = "7"
    & skf18("2","8","5","5","8","3","1") = "7"
    & skf18("2","8","5","5","8","4","1") = "7"
    & skf18("2","8","5","5","8","5","1") = "7"
    & skf18("2","8","5","5","8","6","1") = "7"
    & skf18("2","8","5","5","8","7","1") = "7"
    & skf18("2","8","5","5","8","8","1") = "7"
    & skf18("2","8","5","5","8","9","1") = "8"
    & skf18("2","8","5","5","8","10","1") = "9"
    & skf18("2","8","5","5","9","1","1") = "8"
    & skf18("2","8","5","5","9","2","1") = "8"
    & skf18("2","8","5","5","9","3","1") = "8"
    & skf18("2","8","5","5","9","4","1") = "8"
    & skf18("2","8","5","5","9","5","1") = "8"
    & skf18("2","8","5","5","9","6","1") = "8"
    & skf18("2","8","5","5","9","7","1") = "8"
    & skf18("2","8","5","5","9","8","1") = "8"
    & skf18("2","8","5","5","9","9","1") = "8"
    & skf18("2","8","5","5","9","10","1") = "9"
    & skf18("2","8","5","5","10","1","1") = "9"
    & skf18("2","8","5","5","10","2","1") = "9"
    & skf18("2","8","5","5","10","3","1") = "9"
    & skf18("2","8","5","5","10","4","1") = "9"
    & skf18("2","8","5","5","10","5","1") = "9"
    & skf18("2","8","5","5","10","6","1") = "9"
    & skf18("2","8","5","5","10","7","1") = "9"
    & skf18("2","8","5","5","10","8","1") = "9"
    & skf18("2","8","5","5","10","9","1") = "9"
    & skf18("2","8","5","5","10","10","1") = "9"
    & skf18("2","8","5","6","1","1","1") = "7"
    & skf18("2","8","5","6","1","2","1") = "7"
    & skf18("2","8","5","6","1","3","1") = "7"
    & skf18("2","8","5","6","1","4","1") = "7"
    & skf18("2","8","5","6","1","5","1") = "7"
    & skf18("2","8","5","6","1","6","1") = "7"
    & skf18("2","8","5","6","1","7","1") = "7"
    & skf18("2","8","5","6","1","8","1") = "7"
    & skf18("2","8","5","6","1","9","1") = "8"
    & skf18("2","8","5","6","1","10","1") = "9"
    & skf18("2","8","5","6","2","1","1") = "7"
    & skf18("2","8","5","6","2","2","1") = "7"
    & skf18("2","8","5","6","2","3","1") = "7"
    & skf18("2","8","5","6","2","4","1") = "7"
    & skf18("2","8","5","6","2","5","1") = "7"
    & skf18("2","8","5","6","2","6","1") = "7"
    & skf18("2","8","5","6","2","7","1") = "7"
    & skf18("2","8","5","6","2","8","1") = "7"
    & skf18("2","8","5","6","2","9","1") = "8"
    & skf18("2","8","5","6","2","10","1") = "9"
    & skf18("2","8","5","6","3","1","1") = "7"
    & skf18("2","8","5","6","3","2","1") = "7"
    & skf18("2","8","5","6","3","3","1") = "7"
    & skf18("2","8","5","6","3","4","1") = "7"
    & skf18("2","8","5","6","3","5","1") = "7"
    & skf18("2","8","5","6","3","6","1") = "7"
    & skf18("2","8","5","6","3","7","1") = "7"
    & skf18("2","8","5","6","3","8","1") = "7"
    & skf18("2","8","5","6","3","9","1") = "8"
    & skf18("2","8","5","6","3","10","1") = "9"
    & skf18("2","8","5","6","4","1","1") = "7"
    & skf18("2","8","5","6","4","2","1") = "7"
    & skf18("2","8","5","6","4","3","1") = "7"
    & skf18("2","8","5","6","4","4","1") = "7"
    & skf18("2","8","5","6","4","5","1") = "7"
    & skf18("2","8","5","6","4","6","1") = "7"
    & skf18("2","8","5","6","4","7","1") = "7"
    & skf18("2","8","5","6","4","8","1") = "7"
    & skf18("2","8","5","6","4","9","1") = "8"
    & skf18("2","8","5","6","4","10","1") = "9"
    & skf18("2","8","5","6","5","1","1") = "7"
    & skf18("2","8","5","6","5","2","1") = "7"
    & skf18("2","8","5","6","5","3","1") = "7"
    & skf18("2","8","5","6","5","4","1") = "7"
    & skf18("2","8","5","6","5","5","1") = "7"
    & skf18("2","8","5","6","5","6","1") = "7"
    & skf18("2","8","5","6","5","7","1") = "7"
    & skf18("2","8","5","6","5","8","1") = "7"
    & skf18("2","8","5","6","5","9","1") = "8"
    & skf18("2","8","5","6","5","10","1") = "9"
    & skf18("2","8","5","6","6","1","1") = "7"
    & skf18("2","8","5","6","6","2","1") = "7"
    & skf18("2","8","5","6","6","3","1") = "7"
    & skf18("2","8","5","6","6","4","1") = "7"
    & skf18("2","8","5","6","6","5","1") = "7"
    & skf18("2","8","5","6","6","6","1") = "7"
    & skf18("2","8","5","6","6","7","1") = "7"
    & skf18("2","8","5","6","6","8","1") = "7"
    & skf18("2","8","5","6","6","9","1") = "8"
    & skf18("2","8","5","6","6","10","1") = "9"
    & skf18("2","8","5","6","7","1","1") = "7"
    & skf18("2","8","5","6","7","2","1") = "7"
    & skf18("2","8","5","6","7","3","1") = "7"
    & skf18("2","8","5","6","7","4","1") = "7"
    & skf18("2","8","5","6","7","5","1") = "7"
    & skf18("2","8","5","6","7","6","1") = "7"
    & skf18("2","8","5","6","7","7","1") = "7"
    & skf18("2","8","5","6","7","8","1") = "7"
    & skf18("2","8","5","6","7","9","1") = "8"
    & skf18("2","8","5","6","7","10","1") = "9"
    & skf18("2","8","5","6","8","1","1") = "7"
    & skf18("2","8","5","6","8","2","1") = "7"
    & skf18("2","8","5","6","8","3","1") = "7"
    & skf18("2","8","5","6","8","4","1") = "7"
    & skf18("2","8","5","6","8","5","1") = "7"
    & skf18("2","8","5","6","8","6","1") = "7"
    & skf18("2","8","5","6","8","7","1") = "7"
    & skf18("2","8","5","6","8","8","1") = "7"
    & skf18("2","8","5","6","8","9","1") = "8"
    & skf18("2","8","5","6","8","10","1") = "9"
    & skf18("2","8","5","6","9","1","1") = "8"
    & skf18("2","8","5","6","9","2","1") = "8"
    & skf18("2","8","5","6","9","3","1") = "8"
    & skf18("2","8","5","6","9","4","1") = "8"
    & skf18("2","8","5","6","9","5","1") = "8"
    & skf18("2","8","5","6","9","6","1") = "8"
    & skf18("2","8","5","6","9","7","1") = "8"
    & skf18("2","8","5","6","9","8","1") = "8"
    & skf18("2","8","5","6","9","9","1") = "8"
    & skf18("2","8","5","6","9","10","1") = "9"
    & skf18("2","8","5","6","10","1","1") = "9"
    & skf18("2","8","5","6","10","2","1") = "9"
    & skf18("2","8","5","6","10","3","1") = "9"
    & skf18("2","8","5","6","10","4","1") = "9"
    & skf18("2","8","5","6","10","5","1") = "9"
    & skf18("2","8","5","6","10","6","1") = "9"
    & skf18("2","8","5","6","10","7","1") = "9"
    & skf18("2","8","5","6","10","8","1") = "9"
    & skf18("2","8","5","6","10","9","1") = "9"
    & skf18("2","8","5","6","10","10","1") = "9"
    & skf18("2","8","5","7","1","1","1") = "7"
    & skf18("2","8","5","7","1","2","1") = "7"
    & skf18("2","8","5","7","1","3","1") = "7"
    & skf18("2","8","5","7","1","4","1") = "7"
    & skf18("2","8","5","7","1","5","1") = "7"
    & skf18("2","8","5","7","1","6","1") = "7"
    & skf18("2","8","5","7","1","7","1") = "7"
    & skf18("2","8","5","7","1","8","1") = "7"
    & skf18("2","8","5","7","1","9","1") = "8"
    & skf18("2","8","5","7","1","10","1") = "9"
    & skf18("2","8","5","7","2","1","1") = "7"
    & skf18("2","8","5","7","2","2","1") = "7"
    & skf18("2","8","5","7","2","3","1") = "7"
    & skf18("2","8","5","7","2","4","1") = "7"
    & skf18("2","8","5","7","2","5","1") = "7"
    & skf18("2","8","5","7","2","6","1") = "7"
    & skf18("2","8","5","7","2","7","1") = "7"
    & skf18("2","8","5","7","2","8","1") = "7"
    & skf18("2","8","5","7","2","9","1") = "8"
    & skf18("2","8","5","7","2","10","1") = "9"
    & skf18("2","8","5","7","3","1","1") = "7"
    & skf18("2","8","5","7","3","2","1") = "7"
    & skf18("2","8","5","7","3","3","1") = "7"
    & skf18("2","8","5","7","3","4","1") = "7"
    & skf18("2","8","5","7","3","5","1") = "7"
    & skf18("2","8","5","7","3","6","1") = "7"
    & skf18("2","8","5","7","3","7","1") = "7"
    & skf18("2","8","5","7","3","8","1") = "7"
    & skf18("2","8","5","7","3","9","1") = "8"
    & skf18("2","8","5","7","3","10","1") = "9"
    & skf18("2","8","5","7","4","1","1") = "7"
    & skf18("2","8","5","7","4","2","1") = "7"
    & skf18("2","8","5","7","4","3","1") = "7"
    & skf18("2","8","5","7","4","4","1") = "7"
    & skf18("2","8","5","7","4","5","1") = "7"
    & skf18("2","8","5","7","4","6","1") = "7"
    & skf18("2","8","5","7","4","7","1") = "7"
    & skf18("2","8","5","7","4","8","1") = "7"
    & skf18("2","8","5","7","4","9","1") = "8"
    & skf18("2","8","5","7","4","10","1") = "9"
    & skf18("2","8","5","7","5","1","1") = "7"
    & skf18("2","8","5","7","5","2","1") = "7"
    & skf18("2","8","5","7","5","3","1") = "7"
    & skf18("2","8","5","7","5","4","1") = "7"
    & skf18("2","8","5","7","5","5","1") = "7"
    & skf18("2","8","5","7","5","6","1") = "7"
    & skf18("2","8","5","7","5","7","1") = "7"
    & skf18("2","8","5","7","5","8","1") = "7"
    & skf18("2","8","5","7","5","9","1") = "8"
    & skf18("2","8","5","7","5","10","1") = "9"
    & skf18("2","8","5","7","6","1","1") = "7"
    & skf18("2","8","5","7","6","2","1") = "7"
    & skf18("2","8","5","7","6","3","1") = "7"
    & skf18("2","8","5","7","6","4","1") = "7"
    & skf18("2","8","5","7","6","5","1") = "7"
    & skf18("2","8","5","7","6","6","1") = "7"
    & skf18("2","8","5","7","6","7","1") = "7"
    & skf18("2","8","5","7","6","8","1") = "7"
    & skf18("2","8","5","7","6","9","1") = "8"
    & skf18("2","8","5","7","6","10","1") = "9"
    & skf18("2","8","5","7","7","1","1") = "7"
    & skf18("2","8","5","7","7","2","1") = "7"
    & skf18("2","8","5","7","7","3","1") = "7"
    & skf18("2","8","5","7","7","4","1") = "7"
    & skf18("2","8","5","7","7","5","1") = "7"
    & skf18("2","8","5","7","7","6","1") = "7"
    & skf18("2","8","5","7","7","7","1") = "7"
    & skf18("2","8","5","7","7","8","1") = "7"
    & skf18("2","8","5","7","7","9","1") = "8"
    & skf18("2","8","5","7","7","10","1") = "9"
    & skf18("2","8","5","7","8","1","1") = "7"
    & skf18("2","8","5","7","8","2","1") = "7"
    & skf18("2","8","5","7","8","3","1") = "7"
    & skf18("2","8","5","7","8","4","1") = "7"
    & skf18("2","8","5","7","8","5","1") = "7"
    & skf18("2","8","5","7","8","6","1") = "7"
    & skf18("2","8","5","7","8","7","1") = "7"
    & skf18("2","8","5","7","8","8","1") = "7"
    & skf18("2","8","5","7","8","9","1") = "8"
    & skf18("2","8","5","7","8","10","1") = "9"
    & skf18("2","8","5","7","9","1","1") = "8"
    & skf18("2","8","5","7","9","2","1") = "8"
    & skf18("2","8","5","7","9","3","1") = "8"
    & skf18("2","8","5","7","9","4","1") = "8"
    & skf18("2","8","5","7","9","5","1") = "8"
    & skf18("2","8","5","7","9","6","1") = "8"
    & skf18("2","8","5","7","9","7","1") = "8"
    & skf18("2","8","5","7","9","8","1") = "8"
    & skf18("2","8","5","7","9","9","1") = "8"
    & skf18("2","8","5","7","9","10","1") = "9"
    & skf18("2","8","5","7","10","1","1") = "9"
    & skf18("2","8","5","7","10","2","1") = "9"
    & skf18("2","8","5","7","10","3","1") = "9"
    & skf18("2","8","5","7","10","4","1") = "9"
    & skf18("2","8","5","7","10","5","1") = "9"
    & skf18("2","8","5","7","10","6","1") = "9"
    & skf18("2","8","5","7","10","7","1") = "9"
    & skf18("2","8","5","7","10","8","1") = "9"
    & skf18("2","8","5","7","10","9","1") = "9"
    & skf18("2","8","5","7","10","10","1") = "9"
    & skf18("2","8","5","8","1","1","1") = "7"
    & skf18("2","8","5","8","1","2","1") = "7"
    & skf18("2","8","5","8","1","3","1") = "7"
    & skf18("2","8","5","8","1","4","1") = "7"
    & skf18("2","8","5","8","1","5","1") = "7"
    & skf18("2","8","5","8","1","6","1") = "7"
    & skf18("2","8","5","8","1","7","1") = "7"
    & skf18("2","8","5","8","1","8","1") = "7"
    & skf18("2","8","5","8","1","9","1") = "8"
    & skf18("2","8","5","8","1","10","1") = "9"
    & skf18("2","8","5","8","2","1","1") = "7"
    & skf18("2","8","5","8","2","2","1") = "7"
    & skf18("2","8","5","8","2","3","1") = "7"
    & skf18("2","8","5","8","2","4","1") = "7"
    & skf18("2","8","5","8","2","5","1") = "7"
    & skf18("2","8","5","8","2","6","1") = "7"
    & skf18("2","8","5","8","2","7","1") = "7"
    & skf18("2","8","5","8","2","8","1") = "7"
    & skf18("2","8","5","8","2","9","1") = "8"
    & skf18("2","8","5","8","2","10","1") = "9"
    & skf18("2","8","5","8","3","1","1") = "7"
    & skf18("2","8","5","8","3","2","1") = "7"
    & skf18("2","8","5","8","3","3","1") = "7"
    & skf18("2","8","5","8","3","4","1") = "7"
    & skf18("2","8","5","8","3","5","1") = "7"
    & skf18("2","8","5","8","3","6","1") = "7"
    & skf18("2","8","5","8","3","7","1") = "7"
    & skf18("2","8","5","8","3","8","1") = "7"
    & skf18("2","8","5","8","3","9","1") = "8"
    & skf18("2","8","5","8","3","10","1") = "9"
    & skf18("2","8","5","8","4","1","1") = "7"
    & skf18("2","8","5","8","4","2","1") = "7"
    & skf18("2","8","5","8","4","3","1") = "7"
    & skf18("2","8","5","8","4","4","1") = "7"
    & skf18("2","8","5","8","4","5","1") = "7"
    & skf18("2","8","5","8","4","6","1") = "7"
    & skf18("2","8","5","8","4","7","1") = "7"
    & skf18("2","8","5","8","4","8","1") = "7"
    & skf18("2","8","5","8","4","9","1") = "8"
    & skf18("2","8","5","8","4","10","1") = "9"
    & skf18("2","8","5","8","5","1","1") = "7"
    & skf18("2","8","5","8","5","2","1") = "7"
    & skf18("2","8","5","8","5","3","1") = "7"
    & skf18("2","8","5","8","5","4","1") = "7"
    & skf18("2","8","5","8","5","5","1") = "7"
    & skf18("2","8","5","8","5","6","1") = "7"
    & skf18("2","8","5","8","5","7","1") = "7"
    & skf18("2","8","5","8","5","8","1") = "7"
    & skf18("2","8","5","8","5","9","1") = "8"
    & skf18("2","8","5","8","5","10","1") = "9"
    & skf18("2","8","5","8","6","1","1") = "7"
    & skf18("2","8","5","8","6","2","1") = "7"
    & skf18("2","8","5","8","6","3","1") = "7"
    & skf18("2","8","5","8","6","4","1") = "7"
    & skf18("2","8","5","8","6","5","1") = "7"
    & skf18("2","8","5","8","6","6","1") = "7"
    & skf18("2","8","5","8","6","7","1") = "7"
    & skf18("2","8","5","8","6","8","1") = "7"
    & skf18("2","8","5","8","6","9","1") = "8"
    & skf18("2","8","5","8","6","10","1") = "9"
    & skf18("2","8","5","8","7","1","1") = "7"
    & skf18("2","8","5","8","7","2","1") = "7"
    & skf18("2","8","5","8","7","3","1") = "7"
    & skf18("2","8","5","8","7","4","1") = "7"
    & skf18("2","8","5","8","7","5","1") = "7"
    & skf18("2","8","5","8","7","6","1") = "7"
    & skf18("2","8","5","8","7","7","1") = "7"
    & skf18("2","8","5","8","7","8","1") = "7"
    & skf18("2","8","5","8","7","9","1") = "8"
    & skf18("2","8","5","8","7","10","1") = "9"
    & skf18("2","8","5","8","8","1","1") = "7"
    & skf18("2","8","5","8","8","2","1") = "7"
    & skf18("2","8","5","8","8","3","1") = "7"
    & skf18("2","8","5","8","8","4","1") = "7"
    & skf18("2","8","5","8","8","5","1") = "7"
    & skf18("2","8","5","8","8","6","1") = "7"
    & skf18("2","8","5","8","8","7","1") = "7"
    & skf18("2","8","5","8","8","8","1") = "7"
    & skf18("2","8","5","8","8","9","1") = "8"
    & skf18("2","8","5","8","8","10","1") = "9"
    & skf18("2","8","5","8","9","1","1") = "8"
    & skf18("2","8","5","8","9","2","1") = "8"
    & skf18("2","8","5","8","9","3","1") = "8"
    & skf18("2","8","5","8","9","4","1") = "8"
    & skf18("2","8","5","8","9","5","1") = "8"
    & skf18("2","8","5","8","9","6","1") = "8"
    & skf18("2","8","5","8","9","7","1") = "8"
    & skf18("2","8","5","8","9","8","1") = "8"
    & skf18("2","8","5","8","9","9","1") = "8"
    & skf18("2","8","5","8","9","10","1") = "9"
    & skf18("2","8","5","8","10","1","1") = "9"
    & skf18("2","8","5","8","10","2","1") = "9"
    & skf18("2","8","5","8","10","3","1") = "9"
    & skf18("2","8","5","8","10","4","1") = "9"
    & skf18("2","8","5","8","10","5","1") = "9"
    & skf18("2","8","5","8","10","6","1") = "9"
    & skf18("2","8","5","8","10","7","1") = "9"
    & skf18("2","8","5","8","10","8","1") = "9"
    & skf18("2","8","5","8","10","9","1") = "9"
    & skf18("2","8","5","8","10","10","1") = "9"
    & skf18("2","8","5","9","1","1","1") = "8"
    & skf18("2","8","5","9","1","2","1") = "8"
    & skf18("2","8","5","9","1","3","1") = "8"
    & skf18("2","8","5","9","1","4","1") = "8"
    & skf18("2","8","5","9","1","5","1") = "8"
    & skf18("2","8","5","9","1","6","1") = "8"
    & skf18("2","8","5","9","1","7","1") = "8"
    & skf18("2","8","5","9","1","8","1") = "8"
    & skf18("2","8","5","9","1","9","1") = "8"
    & skf18("2","8","5","9","1","10","1") = "9"
    & skf18("2","8","5","9","2","1","1") = "8"
    & skf18("2","8","5","9","2","2","1") = "8"
    & skf18("2","8","5","9","2","3","1") = "8"
    & skf18("2","8","5","9","2","4","1") = "8"
    & skf18("2","8","5","9","2","5","1") = "8"
    & skf18("2","8","5","9","2","6","1") = "8"
    & skf18("2","8","5","9","2","7","1") = "8"
    & skf18("2","8","5","9","2","8","1") = "8"
    & skf18("2","8","5","9","2","9","1") = "8"
    & skf18("2","8","5","9","2","10","1") = "9"
    & skf18("2","8","5","9","3","1","1") = "8"
    & skf18("2","8","5","9","3","2","1") = "8"
    & skf18("2","8","5","9","3","3","1") = "8"
    & skf18("2","8","5","9","3","4","1") = "8"
    & skf18("2","8","5","9","3","5","1") = "8"
    & skf18("2","8","5","9","3","6","1") = "8"
    & skf18("2","8","5","9","3","7","1") = "8"
    & skf18("2","8","5","9","3","8","1") = "8"
    & skf18("2","8","5","9","3","9","1") = "8"
    & skf18("2","8","5","9","3","10","1") = "9"
    & skf18("2","8","5","9","4","1","1") = "8"
    & skf18("2","8","5","9","4","2","1") = "8"
    & skf18("2","8","5","9","4","3","1") = "8"
    & skf18("2","8","5","9","4","4","1") = "8"
    & skf18("2","8","5","9","4","5","1") = "8"
    & skf18("2","8","5","9","4","6","1") = "8"
    & skf18("2","8","5","9","4","7","1") = "8"
    & skf18("2","8","5","9","4","8","1") = "8"
    & skf18("2","8","5","9","4","9","1") = "8"
    & skf18("2","8","5","9","4","10","1") = "9"
    & skf18("2","8","5","9","5","1","1") = "8"
    & skf18("2","8","5","9","5","2","1") = "8"
    & skf18("2","8","5","9","5","3","1") = "8"
    & skf18("2","8","5","9","5","4","1") = "8"
    & skf18("2","8","5","9","5","5","1") = "8"
    & skf18("2","8","5","9","5","6","1") = "8"
    & skf18("2","8","5","9","5","7","1") = "8"
    & skf18("2","8","5","9","5","8","1") = "8"
    & skf18("2","8","5","9","5","9","1") = "8"
    & skf18("2","8","5","9","5","10","1") = "9"
    & skf18("2","8","5","9","6","1","1") = "8"
    & skf18("2","8","5","9","6","2","1") = "8"
    & skf18("2","8","5","9","6","3","1") = "8"
    & skf18("2","8","5","9","6","4","1") = "8"
    & skf18("2","8","5","9","6","5","1") = "8"
    & skf18("2","8","5","9","6","6","1") = "8"
    & skf18("2","8","5","9","6","7","1") = "8"
    & skf18("2","8","5","9","6","8","1") = "8"
    & skf18("2","8","5","9","6","9","1") = "8"
    & skf18("2","8","5","9","6","10","1") = "9"
    & skf18("2","8","5","9","7","1","1") = "8"
    & skf18("2","8","5","9","7","2","1") = "8"
    & skf18("2","8","5","9","7","3","1") = "8"
    & skf18("2","8","5","9","7","4","1") = "8"
    & skf18("2","8","5","9","7","5","1") = "8"
    & skf18("2","8","5","9","7","6","1") = "8"
    & skf18("2","8","5","9","7","7","1") = "8"
    & skf18("2","8","5","9","7","8","1") = "8"
    & skf18("2","8","5","9","7","9","1") = "8"
    & skf18("2","8","5","9","7","10","1") = "9"
    & skf18("2","8","5","9","8","1","1") = "8"
    & skf18("2","8","5","9","8","2","1") = "8"
    & skf18("2","8","5","9","8","3","1") = "8"
    & skf18("2","8","5","9","8","4","1") = "8"
    & skf18("2","8","5","9","8","5","1") = "8"
    & skf18("2","8","5","9","8","6","1") = "8"
    & skf18("2","8","5","9","8","7","1") = "8"
    & skf18("2","8","5","9","8","8","1") = "8"
    & skf18("2","8","5","9","8","9","1") = "8"
    & skf18("2","8","5","9","8","10","1") = "9"
    & skf18("2","8","5","9","9","1","1") = "8"
    & skf18("2","8","5","9","9","2","1") = "8"
    & skf18("2","8","5","9","9","3","1") = "8"
    & skf18("2","8","5","9","9","4","1") = "8"
    & skf18("2","8","5","9","9","5","1") = "8"
    & skf18("2","8","5","9","9","6","1") = "8"
    & skf18("2","8","5","9","9","7","1") = "8"
    & skf18("2","8","5","9","9","8","1") = "8"
    & skf18("2","8","5","9","9","9","1") = "8"
    & skf18("2","8","5","9","9","10","1") = "9"
    & skf18("2","8","5","9","10","1","1") = "9"
    & skf18("2","8","5","9","10","2","1") = "9"
    & skf18("2","8","5","9","10","3","1") = "9"
    & skf18("2","8","5","9","10","4","1") = "9"
    & skf18("2","8","5","9","10","5","1") = "9"
    & skf18("2","8","5","9","10","6","1") = "9"
    & skf18("2","8","5","9","10","7","1") = "9"
    & skf18("2","8","5","9","10","8","1") = "9"
    & skf18("2","8","5","9","10","9","1") = "9"
    & skf18("2","8","5","9","10","10","1") = "9"
    & skf18("2","8","5","10","1","1","1") = "9"
    & skf18("2","8","5","10","1","2","1") = "9"
    & skf18("2","8","5","10","1","3","1") = "9"
    & skf18("2","8","5","10","1","4","1") = "9"
    & skf18("2","8","5","10","1","5","1") = "9"
    & skf18("2","8","5","10","1","6","1") = "9"
    & skf18("2","8","5","10","1","7","1") = "9"
    & skf18("2","8","5","10","1","8","1") = "9"
    & skf18("2","8","5","10","1","9","1") = "9"
    & skf18("2","8","5","10","1","10","1") = "9"
    & skf18("2","8","5","10","2","1","1") = "9"
    & skf18("2","8","5","10","2","2","1") = "9"
    & skf18("2","8","5","10","2","3","1") = "9"
    & skf18("2","8","5","10","2","4","1") = "9"
    & skf18("2","8","5","10","2","5","1") = "9"
    & skf18("2","8","5","10","2","6","1") = "9"
    & skf18("2","8","5","10","2","7","1") = "9"
    & skf18("2","8","5","10","2","8","1") = "9"
    & skf18("2","8","5","10","2","9","1") = "9"
    & skf18("2","8","5","10","2","10","1") = "9"
    & skf18("2","8","5","10","3","1","1") = "9"
    & skf18("2","8","5","10","3","2","1") = "9"
    & skf18("2","8","5","10","3","3","1") = "9"
    & skf18("2","8","5","10","3","4","1") = "9"
    & skf18("2","8","5","10","3","5","1") = "9"
    & skf18("2","8","5","10","3","6","1") = "9"
    & skf18("2","8","5","10","3","7","1") = "9"
    & skf18("2","8","5","10","3","8","1") = "9"
    & skf18("2","8","5","10","3","9","1") = "9"
    & skf18("2","8","5","10","3","10","1") = "9"
    & skf18("2","8","5","10","4","1","1") = "9"
    & skf18("2","8","5","10","4","2","1") = "9"
    & skf18("2","8","5","10","4","3","1") = "9"
    & skf18("2","8","5","10","4","4","1") = "9"
    & skf18("2","8","5","10","4","5","1") = "9"
    & skf18("2","8","5","10","4","6","1") = "9"
    & skf18("2","8","5","10","4","7","1") = "9"
    & skf18("2","8","5","10","4","8","1") = "9"
    & skf18("2","8","5","10","4","9","1") = "9"
    & skf18("2","8","5","10","4","10","1") = "9"
    & skf18("2","8","5","10","5","1","1") = "9"
    & skf18("2","8","5","10","5","2","1") = "9"
    & skf18("2","8","5","10","5","3","1") = "9"
    & skf18("2","8","5","10","5","4","1") = "9"
    & skf18("2","8","5","10","5","5","1") = "9"
    & skf18("2","8","5","10","5","6","1") = "9"
    & skf18("2","8","5","10","5","7","1") = "9"
    & skf18("2","8","5","10","5","8","1") = "9"
    & skf18("2","8","5","10","5","9","1") = "9"
    & skf18("2","8","5","10","5","10","1") = "9"
    & skf18("2","8","5","10","6","1","1") = "9"
    & skf18("2","8","5","10","6","2","1") = "9"
    & skf18("2","8","5","10","6","3","1") = "9"
    & skf18("2","8","5","10","6","4","1") = "9"
    & skf18("2","8","5","10","6","5","1") = "9"
    & skf18("2","8","5","10","6","6","1") = "9"
    & skf18("2","8","5","10","6","7","1") = "9"
    & skf18("2","8","5","10","6","8","1") = "9"
    & skf18("2","8","5","10","6","9","1") = "9"
    & skf18("2","8","5","10","6","10","1") = "9"
    & skf18("2","8","5","10","7","1","1") = "9"
    & skf18("2","8","5","10","7","2","1") = "9"
    & skf18("2","8","5","10","7","3","1") = "9"
    & skf18("2","8","5","10","7","4","1") = "9"
    & skf18("2","8","5","10","7","5","1") = "9"
    & skf18("2","8","5","10","7","6","1") = "9"
    & skf18("2","8","5","10","7","7","1") = "9"
    & skf18("2","8","5","10","7","8","1") = "9"
    & skf18("2","8","5","10","7","9","1") = "9"
    & skf18("2","8","5","10","7","10","1") = "9"
    & skf18("2","8","5","10","8","1","1") = "9"
    & skf18("2","8","5","10","8","2","1") = "9"
    & skf18("2","8","5","10","8","3","1") = "9"
    & skf18("2","8","5","10","8","4","1") = "9"
    & skf18("2","8","5","10","8","5","1") = "9"
    & skf18("2","8","5","10","8","6","1") = "9"
    & skf18("2","8","5","10","8","7","1") = "9"
    & skf18("2","8","5","10","8","8","1") = "9"
    & skf18("2","8","5","10","8","9","1") = "9"
    & skf18("2","8","5","10","8","10","1") = "9"
    & skf18("2","8","5","10","9","1","1") = "9"
    & skf18("2","8","5","10","9","2","1") = "9"
    & skf18("2","8","5","10","9","3","1") = "9"
    & skf18("2","8","5","10","9","4","1") = "9"
    & skf18("2","8","5","10","9","5","1") = "9"
    & skf18("2","8","5","10","9","6","1") = "9"
    & skf18("2","8","5","10","9","7","1") = "9"
    & skf18("2","8","5","10","9","8","1") = "9"
    & skf18("2","8","5","10","9","9","1") = "9"
    & skf18("2","8","5","10","9","10","1") = "9"
    & skf18("2","8","5","10","10","1","1") = "9"
    & skf18("2","8","5","10","10","2","1") = "9"
    & skf18("2","8","5","10","10","3","1") = "9"
    & skf18("2","8","5","10","10","4","1") = "9"
    & skf18("2","8","5","10","10","5","1") = "9"
    & skf18("2","8","5","10","10","6","1") = "9"
    & skf18("2","8","5","10","10","7","1") = "9"
    & skf18("2","8","5","10","10","8","1") = "9"
    & skf18("2","8","5","10","10","9","1") = "9"
    & skf18("2","8","5","10","10","10","1") = "9"
    & skf18("2","8","6","1","1","1","1") = "7"
    & skf18("2","8","6","1","1","2","1") = "7"
    & skf18("2","8","6","1","1","3","1") = "7"
    & skf18("2","8","6","1","1","4","1") = "7"
    & skf18("2","8","6","1","1","5","1") = "7"
    & skf18("2","8","6","1","1","6","1") = "7"
    & skf18("2","8","6","1","1","7","1") = "7"
    & skf18("2","8","6","1","1","8","1") = "7"
    & skf18("2","8","6","1","1","9","1") = "8"
    & skf18("2","8","6","1","1","10","1") = "9"
    & skf18("2","8","6","1","2","1","1") = "7"
    & skf18("2","8","6","1","2","2","1") = "7"
    & skf18("2","8","6","1","2","3","1") = "7"
    & skf18("2","8","6","1","2","4","1") = "7"
    & skf18("2","8","6","1","2","5","1") = "7"
    & skf18("2","8","6","1","2","6","1") = "7"
    & skf18("2","8","6","1","2","7","1") = "7"
    & skf18("2","8","6","1","2","8","1") = "7"
    & skf18("2","8","6","1","2","9","1") = "8"
    & skf18("2","8","6","1","2","10","1") = "9"
    & skf18("2","8","6","1","3","1","1") = "7"
    & skf18("2","8","6","1","3","2","1") = "7"
    & skf18("2","8","6","1","3","3","1") = "7"
    & skf18("2","8","6","1","3","4","1") = "7"
    & skf18("2","8","6","1","3","5","1") = "7"
    & skf18("2","8","6","1","3","6","1") = "7"
    & skf18("2","8","6","1","3","7","1") = "7"
    & skf18("2","8","6","1","3","8","1") = "7"
    & skf18("2","8","6","1","3","9","1") = "8"
    & skf18("2","8","6","1","3","10","1") = "9"
    & skf18("2","8","6","1","4","1","1") = "7"
    & skf18("2","8","6","1","4","2","1") = "7"
    & skf18("2","8","6","1","4","3","1") = "7"
    & skf18("2","8","6","1","4","4","1") = "7"
    & skf18("2","8","6","1","4","5","1") = "7"
    & skf18("2","8","6","1","4","6","1") = "7"
    & skf18("2","8","6","1","4","7","1") = "7"
    & skf18("2","8","6","1","4","8","1") = "7"
    & skf18("2","8","6","1","4","9","1") = "8"
    & skf18("2","8","6","1","4","10","1") = "9"
    & skf18("2","8","6","1","5","1","1") = "7"
    & skf18("2","8","6","1","5","2","1") = "7"
    & skf18("2","8","6","1","5","3","1") = "7"
    & skf18("2","8","6","1","5","4","1") = "7"
    & skf18("2","8","6","1","5","5","1") = "7"
    & skf18("2","8","6","1","5","6","1") = "7"
    & skf18("2","8","6","1","5","7","1") = "7"
    & skf18("2","8","6","1","5","8","1") = "7"
    & skf18("2","8","6","1","5","9","1") = "8"
    & skf18("2","8","6","1","5","10","1") = "9"
    & skf18("2","8","6","1","6","1","1") = "7"
    & skf18("2","8","6","1","6","2","1") = "7"
    & skf18("2","8","6","1","6","3","1") = "7"
    & skf18("2","8","6","1","6","4","1") = "7"
    & skf18("2","8","6","1","6","5","1") = "7"
    & skf18("2","8","6","1","6","6","1") = "7"
    & skf18("2","8","6","1","6","7","1") = "7"
    & skf18("2","8","6","1","6","8","1") = "7"
    & skf18("2","8","6","1","6","9","1") = "8"
    & skf18("2","8","6","1","6","10","1") = "9"
    & skf18("2","8","6","1","7","1","1") = "7"
    & skf18("2","8","6","1","7","2","1") = "7"
    & skf18("2","8","6","1","7","3","1") = "7"
    & skf18("2","8","6","1","7","4","1") = "7"
    & skf18("2","8","6","1","7","5","1") = "7"
    & skf18("2","8","6","1","7","6","1") = "7"
    & skf18("2","8","6","1","7","7","1") = "7"
    & skf18("2","8","6","1","7","8","1") = "7"
    & skf18("2","8","6","1","7","9","1") = "8"
    & skf18("2","8","6","1","7","10","1") = "9"
    & skf18("2","8","6","1","8","1","1") = "7"
    & skf18("2","8","6","1","8","2","1") = "7"
    & skf18("2","8","6","1","8","3","1") = "7"
    & skf18("2","8","6","1","8","4","1") = "7"
    & skf18("2","8","6","1","8","5","1") = "7"
    & skf18("2","8","6","1","8","6","1") = "7"
    & skf18("2","8","6","1","8","7","1") = "7"
    & skf18("2","8","6","1","8","8","1") = "7"
    & skf18("2","8","6","1","8","9","1") = "8"
    & skf18("2","8","6","1","8","10","1") = "9"
    & skf18("2","8","6","1","9","1","1") = "8"
    & skf18("2","8","6","1","9","2","1") = "8"
    & skf18("2","8","6","1","9","3","1") = "8"
    & skf18("2","8","6","1","9","4","1") = "8"
    & skf18("2","8","6","1","9","5","1") = "8"
    & skf18("2","8","6","1","9","6","1") = "8"
    & skf18("2","8","6","1","9","7","1") = "8"
    & skf18("2","8","6","1","9","8","1") = "8"
    & skf18("2","8","6","1","9","9","1") = "8"
    & skf18("2","8","6","1","9","10","1") = "9"
    & skf18("2","8","6","1","10","1","1") = "9"
    & skf18("2","8","6","1","10","2","1") = "9"
    & skf18("2","8","6","1","10","3","1") = "9"
    & skf18("2","8","6","1","10","4","1") = "9"
    & skf18("2","8","6","1","10","5","1") = "9"
    & skf18("2","8","6","1","10","6","1") = "9"
    & skf18("2","8","6","1","10","7","1") = "9"
    & skf18("2","8","6","1","10","8","1") = "9"
    & skf18("2","8","6","1","10","9","1") = "9"
    & skf18("2","8","6","1","10","10","1") = "9"
    & skf18("2","8","6","2","1","1","1") = "7"
    & skf18("2","8","6","2","1","2","1") = "7"
    & skf18("2","8","6","2","1","3","1") = "7"
    & skf18("2","8","6","2","1","4","1") = "7"
    & skf18("2","8","6","2","1","5","1") = "7"
    & skf18("2","8","6","2","1","6","1") = "7"
    & skf18("2","8","6","2","1","7","1") = "7"
    & skf18("2","8","6","2","1","8","1") = "7"
    & skf18("2","8","6","2","1","9","1") = "8"
    & skf18("2","8","6","2","1","10","1") = "9"
    & skf18("2","8","6","2","2","1","1") = "7"
    & skf18("2","8","6","2","2","2","1") = "7"
    & skf18("2","8","6","2","2","3","1") = "7"
    & skf18("2","8","6","2","2","4","1") = "7"
    & skf18("2","8","6","2","2","5","1") = "7"
    & skf18("2","8","6","2","2","6","1") = "7"
    & skf18("2","8","6","2","2","7","1") = "7"
    & skf18("2","8","6","2","2","8","1") = "7"
    & skf18("2","8","6","2","2","9","1") = "8"
    & skf18("2","8","6","2","2","10","1") = "9"
    & skf18("2","8","6","2","3","1","1") = "7"
    & skf18("2","8","6","2","3","2","1") = "7"
    & skf18("2","8","6","2","3","3","1") = "7"
    & skf18("2","8","6","2","3","4","1") = "7"
    & skf18("2","8","6","2","3","5","1") = "7"
    & skf18("2","8","6","2","3","6","1") = "7"
    & skf18("2","8","6","2","3","7","1") = "7"
    & skf18("2","8","6","2","3","8","1") = "7"
    & skf18("2","8","6","2","3","9","1") = "8"
    & skf18("2","8","6","2","3","10","1") = "9"
    & skf18("2","8","6","2","4","1","1") = "7"
    & skf18("2","8","6","2","4","2","1") = "7"
    & skf18("2","8","6","2","4","3","1") = "7"
    & skf18("2","8","6","2","4","4","1") = "7"
    & skf18("2","8","6","2","4","5","1") = "7"
    & skf18("2","8","6","2","4","6","1") = "7"
    & skf18("2","8","6","2","4","7","1") = "7"
    & skf18("2","8","6","2","4","8","1") = "7"
    & skf18("2","8","6","2","4","9","1") = "8"
    & skf18("2","8","6","2","4","10","1") = "9"
    & skf18("2","8","6","2","5","1","1") = "7"
    & skf18("2","8","6","2","5","2","1") = "7"
    & skf18("2","8","6","2","5","3","1") = "7"
    & skf18("2","8","6","2","5","4","1") = "7"
    & skf18("2","8","6","2","5","5","1") = "7"
    & skf18("2","8","6","2","5","6","1") = "7"
    & skf18("2","8","6","2","5","7","1") = "7"
    & skf18("2","8","6","2","5","8","1") = "7"
    & skf18("2","8","6","2","5","9","1") = "8"
    & skf18("2","8","6","2","5","10","1") = "9"
    & skf18("2","8","6","2","6","1","1") = "7"
    & skf18("2","8","6","2","6","2","1") = "7"
    & skf18("2","8","6","2","6","3","1") = "7"
    & skf18("2","8","6","2","6","4","1") = "7"
    & skf18("2","8","6","2","6","5","1") = "7"
    & skf18("2","8","6","2","6","6","1") = "7"
    & skf18("2","8","6","2","6","7","1") = "7"
    & skf18("2","8","6","2","6","8","1") = "7"
    & skf18("2","8","6","2","6","9","1") = "8"
    & skf18("2","8","6","2","6","10","1") = "9"
    & skf18("2","8","6","2","7","1","1") = "7"
    & skf18("2","8","6","2","7","2","1") = "7"
    & skf18("2","8","6","2","7","3","1") = "7"
    & skf18("2","8","6","2","7","4","1") = "7"
    & skf18("2","8","6","2","7","5","1") = "7"
    & skf18("2","8","6","2","7","6","1") = "7"
    & skf18("2","8","6","2","7","7","1") = "7"
    & skf18("2","8","6","2","7","8","1") = "7"
    & skf18("2","8","6","2","7","9","1") = "8"
    & skf18("2","8","6","2","7","10","1") = "9"
    & skf18("2","8","6","2","8","1","1") = "7"
    & skf18("2","8","6","2","8","2","1") = "7"
    & skf18("2","8","6","2","8","3","1") = "7"
    & skf18("2","8","6","2","8","4","1") = "7"
    & skf18("2","8","6","2","8","5","1") = "7"
    & skf18("2","8","6","2","8","6","1") = "7"
    & skf18("2","8","6","2","8","7","1") = "7"
    & skf18("2","8","6","2","8","8","1") = "7"
    & skf18("2","8","6","2","8","9","1") = "8"
    & skf18("2","8","6","2","8","10","1") = "9"
    & skf18("2","8","6","2","9","1","1") = "8"
    & skf18("2","8","6","2","9","2","1") = "8"
    & skf18("2","8","6","2","9","3","1") = "8"
    & skf18("2","8","6","2","9","4","1") = "8"
    & skf18("2","8","6","2","9","5","1") = "8"
    & skf18("2","8","6","2","9","6","1") = "8"
    & skf18("2","8","6","2","9","7","1") = "8"
    & skf18("2","8","6","2","9","8","1") = "8"
    & skf18("2","8","6","2","9","9","1") = "8"
    & skf18("2","8","6","2","9","10","1") = "9"
    & skf18("2","8","6","2","10","1","1") = "9"
    & skf18("2","8","6","2","10","2","1") = "9"
    & skf18("2","8","6","2","10","3","1") = "9"
    & skf18("2","8","6","2","10","4","1") = "9"
    & skf18("2","8","6","2","10","5","1") = "9"
    & skf18("2","8","6","2","10","6","1") = "9"
    & skf18("2","8","6","2","10","7","1") = "9"
    & skf18("2","8","6","2","10","8","1") = "9"
    & skf18("2","8","6","2","10","9","1") = "9"
    & skf18("2","8","6","2","10","10","1") = "9"
    & skf18("2","8","6","3","1","1","1") = "7"
    & skf18("2","8","6","3","1","2","1") = "7"
    & skf18("2","8","6","3","1","3","1") = "7"
    & skf18("2","8","6","3","1","4","1") = "7"
    & skf18("2","8","6","3","1","5","1") = "7"
    & skf18("2","8","6","3","1","6","1") = "7"
    & skf18("2","8","6","3","1","7","1") = "7"
    & skf18("2","8","6","3","1","8","1") = "7"
    & skf18("2","8","6","3","1","9","1") = "8"
    & skf18("2","8","6","3","1","10","1") = "9"
    & skf18("2","8","6","3","2","1","1") = "7"
    & skf18("2","8","6","3","2","2","1") = "7"
    & skf18("2","8","6","3","2","3","1") = "7"
    & skf18("2","8","6","3","2","4","1") = "7"
    & skf18("2","8","6","3","2","5","1") = "7"
    & skf18("2","8","6","3","2","6","1") = "7"
    & skf18("2","8","6","3","2","7","1") = "7"
    & skf18("2","8","6","3","2","8","1") = "7"
    & skf18("2","8","6","3","2","9","1") = "8"
    & skf18("2","8","6","3","2","10","1") = "9"
    & skf18("2","8","6","3","3","1","1") = "7"
    & skf18("2","8","6","3","3","2","1") = "7"
    & skf18("2","8","6","3","3","3","1") = "7"
    & skf18("2","8","6","3","3","4","1") = "7"
    & skf18("2","8","6","3","3","5","1") = "7"
    & skf18("2","8","6","3","3","6","1") = "7"
    & skf18("2","8","6","3","3","7","1") = "7"
    & skf18("2","8","6","3","3","8","1") = "7"
    & skf18("2","8","6","3","3","9","1") = "8"
    & skf18("2","8","6","3","3","10","1") = "9"
    & skf18("2","8","6","3","4","1","1") = "7"
    & skf18("2","8","6","3","4","2","1") = "7"
    & skf18("2","8","6","3","4","3","1") = "7"
    & skf18("2","8","6","3","4","4","1") = "7"
    & skf18("2","8","6","3","4","5","1") = "7"
    & skf18("2","8","6","3","4","6","1") = "7"
    & skf18("2","8","6","3","4","7","1") = "7"
    & skf18("2","8","6","3","4","8","1") = "7"
    & skf18("2","8","6","3","4","9","1") = "8"
    & skf18("2","8","6","3","4","10","1") = "9"
    & skf18("2","8","6","3","5","1","1") = "7"
    & skf18("2","8","6","3","5","2","1") = "7"
    & skf18("2","8","6","3","5","3","1") = "7"
    & skf18("2","8","6","3","5","4","1") = "7"
    & skf18("2","8","6","3","5","5","1") = "7"
    & skf18("2","8","6","3","5","6","1") = "7"
    & skf18("2","8","6","3","5","7","1") = "7"
    & skf18("2","8","6","3","5","8","1") = "7"
    & skf18("2","8","6","3","5","9","1") = "8"
    & skf18("2","8","6","3","5","10","1") = "9"
    & skf18("2","8","6","3","6","1","1") = "7"
    & skf18("2","8","6","3","6","2","1") = "7"
    & skf18("2","8","6","3","6","3","1") = "7"
    & skf18("2","8","6","3","6","4","1") = "7"
    & skf18("2","8","6","3","6","5","1") = "7"
    & skf18("2","8","6","3","6","6","1") = "7"
    & skf18("2","8","6","3","6","7","1") = "7"
    & skf18("2","8","6","3","6","8","1") = "7"
    & skf18("2","8","6","3","6","9","1") = "8"
    & skf18("2","8","6","3","6","10","1") = "9"
    & skf18("2","8","6","3","7","1","1") = "7"
    & skf18("2","8","6","3","7","2","1") = "7"
    & skf18("2","8","6","3","7","3","1") = "7"
    & skf18("2","8","6","3","7","4","1") = "7"
    & skf18("2","8","6","3","7","5","1") = "7"
    & skf18("2","8","6","3","7","6","1") = "7"
    & skf18("2","8","6","3","7","7","1") = "7"
    & skf18("2","8","6","3","7","8","1") = "7"
    & skf18("2","8","6","3","7","9","1") = "8"
    & skf18("2","8","6","3","7","10","1") = "9"
    & skf18("2","8","6","3","8","1","1") = "7"
    & skf18("2","8","6","3","8","2","1") = "7"
    & skf18("2","8","6","3","8","3","1") = "7"
    & skf18("2","8","6","3","8","4","1") = "7"
    & skf18("2","8","6","3","8","5","1") = "7"
    & skf18("2","8","6","3","8","6","1") = "7"
    & skf18("2","8","6","3","8","7","1") = "7"
    & skf18("2","8","6","3","8","8","1") = "7"
    & skf18("2","8","6","3","8","9","1") = "8"
    & skf18("2","8","6","3","8","10","1") = "9"
    & skf18("2","8","6","3","9","1","1") = "8"
    & skf18("2","8","6","3","9","2","1") = "8"
    & skf18("2","8","6","3","9","3","1") = "8"
    & skf18("2","8","6","3","9","4","1") = "8"
    & skf18("2","8","6","3","9","5","1") = "8"
    & skf18("2","8","6","3","9","6","1") = "8"
    & skf18("2","8","6","3","9","7","1") = "8"
    & skf18("2","8","6","3","9","8","1") = "8"
    & skf18("2","8","6","3","9","9","1") = "8"
    & skf18("2","8","6","3","9","10","1") = "9"
    & skf18("2","8","6","3","10","1","1") = "9"
    & skf18("2","8","6","3","10","2","1") = "9"
    & skf18("2","8","6","3","10","3","1") = "9"
    & skf18("2","8","6","3","10","4","1") = "9"
    & skf18("2","8","6","3","10","5","1") = "9"
    & skf18("2","8","6","3","10","6","1") = "9"
    & skf18("2","8","6","3","10","7","1") = "9"
    & skf18("2","8","6","3","10","8","1") = "9"
    & skf18("2","8","6","3","10","9","1") = "9"
    & skf18("2","8","6","3","10","10","1") = "9"
    & skf18("2","8","6","4","1","1","1") = "7"
    & skf18("2","8","6","4","1","2","1") = "7"
    & skf18("2","8","6","4","1","3","1") = "7"
    & skf18("2","8","6","4","1","4","1") = "7"
    & skf18("2","8","6","4","1","5","1") = "7"
    & skf18("2","8","6","4","1","6","1") = "7"
    & skf18("2","8","6","4","1","7","1") = "7"
    & skf18("2","8","6","4","1","8","1") = "7"
    & skf18("2","8","6","4","1","9","1") = "8"
    & skf18("2","8","6","4","1","10","1") = "9"
    & skf18("2","8","6","4","2","1","1") = "7"
    & skf18("2","8","6","4","2","2","1") = "7"
    & skf18("2","8","6","4","2","3","1") = "7"
    & skf18("2","8","6","4","2","4","1") = "7"
    & skf18("2","8","6","4","2","5","1") = "7"
    & skf18("2","8","6","4","2","6","1") = "7"
    & skf18("2","8","6","4","2","7","1") = "7"
    & skf18("2","8","6","4","2","8","1") = "7"
    & skf18("2","8","6","4","2","9","1") = "8"
    & skf18("2","8","6","4","2","10","1") = "9"
    & skf18("2","8","6","4","3","1","1") = "7"
    & skf18("2","8","6","4","3","2","1") = "7"
    & skf18("2","8","6","4","3","3","1") = "7"
    & skf18("2","8","6","4","3","4","1") = "7"
    & skf18("2","8","6","4","3","5","1") = "7"
    & skf18("2","8","6","4","3","6","1") = "7"
    & skf18("2","8","6","4","3","7","1") = "7"
    & skf18("2","8","6","4","3","8","1") = "7"
    & skf18("2","8","6","4","3","9","1") = "8"
    & skf18("2","8","6","4","3","10","1") = "9"
    & skf18("2","8","6","4","4","1","1") = "7"
    & skf18("2","8","6","4","4","2","1") = "7"
    & skf18("2","8","6","4","4","3","1") = "7"
    & skf18("2","8","6","4","4","4","1") = "7"
    & skf18("2","8","6","4","4","5","1") = "7"
    & skf18("2","8","6","4","4","6","1") = "7"
    & skf18("2","8","6","4","4","7","1") = "7"
    & skf18("2","8","6","4","4","8","1") = "7"
    & skf18("2","8","6","4","4","9","1") = "8"
    & skf18("2","8","6","4","4","10","1") = "9"
    & skf18("2","8","6","4","5","1","1") = "7"
    & skf18("2","8","6","4","5","2","1") = "7"
    & skf18("2","8","6","4","5","3","1") = "7"
    & skf18("2","8","6","4","5","4","1") = "7"
    & skf18("2","8","6","4","5","5","1") = "7"
    & skf18("2","8","6","4","5","6","1") = "7"
    & skf18("2","8","6","4","5","7","1") = "7"
    & skf18("2","8","6","4","5","8","1") = "7"
    & skf18("2","8","6","4","5","9","1") = "8"
    & skf18("2","8","6","4","5","10","1") = "9"
    & skf18("2","8","6","4","6","1","1") = "7"
    & skf18("2","8","6","4","6","2","1") = "7"
    & skf18("2","8","6","4","6","3","1") = "7"
    & skf18("2","8","6","4","6","4","1") = "7"
    & skf18("2","8","6","4","6","5","1") = "7"
    & skf18("2","8","6","4","6","6","1") = "7"
    & skf18("2","8","6","4","6","7","1") = "7"
    & skf18("2","8","6","4","6","8","1") = "7"
    & skf18("2","8","6","4","6","9","1") = "8"
    & skf18("2","8","6","4","6","10","1") = "9"
    & skf18("2","8","6","4","7","1","1") = "7"
    & skf18("2","8","6","4","7","2","1") = "7"
    & skf18("2","8","6","4","7","3","1") = "7"
    & skf18("2","8","6","4","7","4","1") = "7"
    & skf18("2","8","6","4","7","5","1") = "7"
    & skf18("2","8","6","4","7","6","1") = "7"
    & skf18("2","8","6","4","7","7","1") = "7"
    & skf18("2","8","6","4","7","8","1") = "7"
    & skf18("2","8","6","4","7","9","1") = "8"
    & skf18("2","8","6","4","7","10","1") = "9"
    & skf18("2","8","6","4","8","1","1") = "7"
    & skf18("2","8","6","4","8","2","1") = "7"
    & skf18("2","8","6","4","8","3","1") = "7"
    & skf18("2","8","6","4","8","4","1") = "7"
    & skf18("2","8","6","4","8","5","1") = "7"
    & skf18("2","8","6","4","8","6","1") = "7"
    & skf18("2","8","6","4","8","7","1") = "7"
    & skf18("2","8","6","4","8","8","1") = "7"
    & skf18("2","8","6","4","8","9","1") = "8"
    & skf18("2","8","6","4","8","10","1") = "9"
    & skf18("2","8","6","4","9","1","1") = "8"
    & skf18("2","8","6","4","9","2","1") = "8"
    & skf18("2","8","6","4","9","3","1") = "8"
    & skf18("2","8","6","4","9","4","1") = "8"
    & skf18("2","8","6","4","9","5","1") = "8"
    & skf18("2","8","6","4","9","6","1") = "8"
    & skf18("2","8","6","4","9","7","1") = "8"
    & skf18("2","8","6","4","9","8","1") = "8"
    & skf18("2","8","6","4","9","9","1") = "8"
    & skf18("2","8","6","4","9","10","1") = "9"
    & skf18("2","8","6","4","10","1","1") = "9"
    & skf18("2","8","6","4","10","2","1") = "9"
    & skf18("2","8","6","4","10","3","1") = "9"
    & skf18("2","8","6","4","10","4","1") = "9"
    & skf18("2","8","6","4","10","5","1") = "9"
    & skf18("2","8","6","4","10","6","1") = "9"
    & skf18("2","8","6","4","10","7","1") = "9"
    & skf18("2","8","6","4","10","8","1") = "9"
    & skf18("2","8","6","4","10","9","1") = "9"
    & skf18("2","8","6","4","10","10","1") = "9"
    & skf18("2","8","6","5","1","1","1") = "7"
    & skf18("2","8","6","5","1","2","1") = "7"
    & skf18("2","8","6","5","1","3","1") = "7"
    & skf18("2","8","6","5","1","4","1") = "7"
    & skf18("2","8","6","5","1","5","1") = "7"
    & skf18("2","8","6","5","1","6","1") = "7"
    & skf18("2","8","6","5","1","7","1") = "7"
    & skf18("2","8","6","5","1","8","1") = "7"
    & skf18("2","8","6","5","1","9","1") = "8"
    & skf18("2","8","6","5","1","10","1") = "9"
    & skf18("2","8","6","5","2","1","1") = "7"
    & skf18("2","8","6","5","2","2","1") = "7"
    & skf18("2","8","6","5","2","3","1") = "7"
    & skf18("2","8","6","5","2","4","1") = "7"
    & skf18("2","8","6","5","2","5","1") = "7"
    & skf18("2","8","6","5","2","6","1") = "7"
    & skf18("2","8","6","5","2","7","1") = "7"
    & skf18("2","8","6","5","2","8","1") = "7"
    & skf18("2","8","6","5","2","9","1") = "8"
    & skf18("2","8","6","5","2","10","1") = "9"
    & skf18("2","8","6","5","3","1","1") = "7"
    & skf18("2","8","6","5","3","2","1") = "7"
    & skf18("2","8","6","5","3","3","1") = "7"
    & skf18("2","8","6","5","3","4","1") = "7"
    & skf18("2","8","6","5","3","5","1") = "7"
    & skf18("2","8","6","5","3","6","1") = "7"
    & skf18("2","8","6","5","3","7","1") = "7"
    & skf18("2","8","6","5","3","8","1") = "7"
    & skf18("2","8","6","5","3","9","1") = "8"
    & skf18("2","8","6","5","3","10","1") = "9"
    & skf18("2","8","6","5","4","1","1") = "7"
    & skf18("2","8","6","5","4","2","1") = "7"
    & skf18("2","8","6","5","4","3","1") = "7"
    & skf18("2","8","6","5","4","4","1") = "7"
    & skf18("2","8","6","5","4","5","1") = "7"
    & skf18("2","8","6","5","4","6","1") = "7"
    & skf18("2","8","6","5","4","7","1") = "7"
    & skf18("2","8","6","5","4","8","1") = "7"
    & skf18("2","8","6","5","4","9","1") = "8"
    & skf18("2","8","6","5","4","10","1") = "9"
    & skf18("2","8","6","5","5","1","1") = "7"
    & skf18("2","8","6","5","5","2","1") = "7"
    & skf18("2","8","6","5","5","3","1") = "7"
    & skf18("2","8","6","5","5","4","1") = "7"
    & skf18("2","8","6","5","5","5","1") = "7"
    & skf18("2","8","6","5","5","6","1") = "7"
    & skf18("2","8","6","5","5","7","1") = "7"
    & skf18("2","8","6","5","5","8","1") = "7"
    & skf18("2","8","6","5","5","9","1") = "8"
    & skf18("2","8","6","5","5","10","1") = "9"
    & skf18("2","8","6","5","6","1","1") = "7"
    & skf18("2","8","6","5","6","2","1") = "7"
    & skf18("2","8","6","5","6","3","1") = "7"
    & skf18("2","8","6","5","6","4","1") = "7"
    & skf18("2","8","6","5","6","5","1") = "7"
    & skf18("2","8","6","5","6","6","1") = "7"
    & skf18("2","8","6","5","6","7","1") = "7"
    & skf18("2","8","6","5","6","8","1") = "7"
    & skf18("2","8","6","5","6","9","1") = "8"
    & skf18("2","8","6","5","6","10","1") = "9"
    & skf18("2","8","6","5","7","1","1") = "7"
    & skf18("2","8","6","5","7","2","1") = "7"
    & skf18("2","8","6","5","7","3","1") = "7"
    & skf18("2","8","6","5","7","4","1") = "7"
    & skf18("2","8","6","5","7","5","1") = "7"
    & skf18("2","8","6","5","7","6","1") = "7"
    & skf18("2","8","6","5","7","7","1") = "7"
    & skf18("2","8","6","5","7","8","1") = "7"
    & skf18("2","8","6","5","7","9","1") = "8"
    & skf18("2","8","6","5","7","10","1") = "9"
    & skf18("2","8","6","5","8","1","1") = "7"
    & skf18("2","8","6","5","8","2","1") = "7"
    & skf18("2","8","6","5","8","3","1") = "7"
    & skf18("2","8","6","5","8","4","1") = "7"
    & skf18("2","8","6","5","8","5","1") = "7"
    & skf18("2","8","6","5","8","6","1") = "7"
    & skf18("2","8","6","5","8","7","1") = "7"
    & skf18("2","8","6","5","8","8","1") = "7"
    & skf18("2","8","6","5","8","9","1") = "8"
    & skf18("2","8","6","5","8","10","1") = "9"
    & skf18("2","8","6","5","9","1","1") = "8"
    & skf18("2","8","6","5","9","2","1") = "8"
    & skf18("2","8","6","5","9","3","1") = "8"
    & skf18("2","8","6","5","9","4","1") = "8"
    & skf18("2","8","6","5","9","5","1") = "8"
    & skf18("2","8","6","5","9","6","1") = "8"
    & skf18("2","8","6","5","9","7","1") = "8"
    & skf18("2","8","6","5","9","8","1") = "8"
    & skf18("2","8","6","5","9","9","1") = "8"
    & skf18("2","8","6","5","9","10","1") = "9"
    & skf18("2","8","6","5","10","1","1") = "9"
    & skf18("2","8","6","5","10","2","1") = "9"
    & skf18("2","8","6","5","10","3","1") = "9"
    & skf18("2","8","6","5","10","4","1") = "9"
    & skf18("2","8","6","5","10","5","1") = "9"
    & skf18("2","8","6","5","10","6","1") = "9"
    & skf18("2","8","6","5","10","7","1") = "9"
    & skf18("2","8","6","5","10","8","1") = "9"
    & skf18("2","8","6","5","10","9","1") = "9"
    & skf18("2","8","6","5","10","10","1") = "9"
    & skf18("2","8","6","6","1","1","1") = "7"
    & skf18("2","8","6","6","1","2","1") = "7"
    & skf18("2","8","6","6","1","3","1") = "7"
    & skf18("2","8","6","6","1","4","1") = "7"
    & skf18("2","8","6","6","1","5","1") = "7"
    & skf18("2","8","6","6","1","6","1") = "7"
    & skf18("2","8","6","6","1","7","1") = "7"
    & skf18("2","8","6","6","1","8","1") = "7"
    & skf18("2","8","6","6","1","9","1") = "8"
    & skf18("2","8","6","6","1","10","1") = "9"
    & skf18("2","8","6","6","2","1","1") = "7"
    & skf18("2","8","6","6","2","2","1") = "7"
    & skf18("2","8","6","6","2","3","1") = "7"
    & skf18("2","8","6","6","2","4","1") = "7"
    & skf18("2","8","6","6","2","5","1") = "7"
    & skf18("2","8","6","6","2","6","1") = "7"
    & skf18("2","8","6","6","2","7","1") = "7"
    & skf18("2","8","6","6","2","8","1") = "7"
    & skf18("2","8","6","6","2","9","1") = "8"
    & skf18("2","8","6","6","2","10","1") = "9"
    & skf18("2","8","6","6","3","1","1") = "7"
    & skf18("2","8","6","6","3","2","1") = "7"
    & skf18("2","8","6","6","3","3","1") = "7"
    & skf18("2","8","6","6","3","4","1") = "7"
    & skf18("2","8","6","6","3","5","1") = "7"
    & skf18("2","8","6","6","3","6","1") = "7"
    & skf18("2","8","6","6","3","7","1") = "7"
    & skf18("2","8","6","6","3","8","1") = "7"
    & skf18("2","8","6","6","3","9","1") = "8"
    & skf18("2","8","6","6","3","10","1") = "9"
    & skf18("2","8","6","6","4","1","1") = "7"
    & skf18("2","8","6","6","4","2","1") = "7"
    & skf18("2","8","6","6","4","3","1") = "7"
    & skf18("2","8","6","6","4","4","1") = "7"
    & skf18("2","8","6","6","4","5","1") = "7"
    & skf18("2","8","6","6","4","6","1") = "7"
    & skf18("2","8","6","6","4","7","1") = "7"
    & skf18("2","8","6","6","4","8","1") = "7"
    & skf18("2","8","6","6","4","9","1") = "8"
    & skf18("2","8","6","6","4","10","1") = "9"
    & skf18("2","8","6","6","5","1","1") = "7"
    & skf18("2","8","6","6","5","2","1") = "7"
    & skf18("2","8","6","6","5","3","1") = "7"
    & skf18("2","8","6","6","5","4","1") = "7"
    & skf18("2","8","6","6","5","5","1") = "7"
    & skf18("2","8","6","6","5","6","1") = "7"
    & skf18("2","8","6","6","5","7","1") = "7"
    & skf18("2","8","6","6","5","8","1") = "7"
    & skf18("2","8","6","6","5","9","1") = "8"
    & skf18("2","8","6","6","5","10","1") = "9"
    & skf18("2","8","6","6","6","1","1") = "7"
    & skf18("2","8","6","6","6","2","1") = "7"
    & skf18("2","8","6","6","6","3","1") = "7"
    & skf18("2","8","6","6","6","4","1") = "7"
    & skf18("2","8","6","6","6","5","1") = "7"
    & skf18("2","8","6","6","6","6","1") = "7"
    & skf18("2","8","6","6","6","7","1") = "7"
    & skf18("2","8","6","6","6","8","1") = "7"
    & skf18("2","8","6","6","6","9","1") = "8"
    & skf18("2","8","6","6","6","10","1") = "9"
    & skf18("2","8","6","6","7","1","1") = "7"
    & skf18("2","8","6","6","7","2","1") = "7"
    & skf18("2","8","6","6","7","3","1") = "7"
    & skf18("2","8","6","6","7","4","1") = "7"
    & skf18("2","8","6","6","7","5","1") = "7"
    & skf18("2","8","6","6","7","6","1") = "7"
    & skf18("2","8","6","6","7","7","1") = "7"
    & skf18("2","8","6","6","7","8","1") = "7"
    & skf18("2","8","6","6","7","9","1") = "8"
    & skf18("2","8","6","6","7","10","1") = "9"
    & skf18("2","8","6","6","8","1","1") = "7"
    & skf18("2","8","6","6","8","2","1") = "7"
    & skf18("2","8","6","6","8","3","1") = "7"
    & skf18("2","8","6","6","8","4","1") = "7"
    & skf18("2","8","6","6","8","5","1") = "7"
    & skf18("2","8","6","6","8","6","1") = "7"
    & skf18("2","8","6","6","8","7","1") = "7"
    & skf18("2","8","6","6","8","8","1") = "7"
    & skf18("2","8","6","6","8","9","1") = "8"
    & skf18("2","8","6","6","8","10","1") = "9"
    & skf18("2","8","6","6","9","1","1") = "8"
    & skf18("2","8","6","6","9","2","1") = "8"
    & skf18("2","8","6","6","9","3","1") = "8"
    & skf18("2","8","6","6","9","4","1") = "8"
    & skf18("2","8","6","6","9","5","1") = "8"
    & skf18("2","8","6","6","9","6","1") = "8"
    & skf18("2","8","6","6","9","7","1") = "8"
    & skf18("2","8","6","6","9","8","1") = "8"
    & skf18("2","8","6","6","9","9","1") = "8"
    & skf18("2","8","6","6","9","10","1") = "9"
    & skf18("2","8","6","6","10","1","1") = "9"
    & skf18("2","8","6","6","10","2","1") = "9"
    & skf18("2","8","6","6","10","3","1") = "9"
    & skf18("2","8","6","6","10","4","1") = "9"
    & skf18("2","8","6","6","10","5","1") = "9"
    & skf18("2","8","6","6","10","6","1") = "9"
    & skf18("2","8","6","6","10","7","1") = "9"
    & skf18("2","8","6","6","10","8","1") = "9"
    & skf18("2","8","6","6","10","9","1") = "9"
    & skf18("2","8","6","6","10","10","1") = "9"
    & skf18("2","8","6","7","1","1","1") = "7"
    & skf18("2","8","6","7","1","2","1") = "7"
    & skf18("2","8","6","7","1","3","1") = "7"
    & skf18("2","8","6","7","1","4","1") = "7"
    & skf18("2","8","6","7","1","5","1") = "7"
    & skf18("2","8","6","7","1","6","1") = "7"
    & skf18("2","8","6","7","1","7","1") = "7"
    & skf18("2","8","6","7","1","8","1") = "7"
    & skf18("2","8","6","7","1","9","1") = "8"
    & skf18("2","8","6","7","1","10","1") = "9"
    & skf18("2","8","6","7","2","1","1") = "7"
    & skf18("2","8","6","7","2","2","1") = "7"
    & skf18("2","8","6","7","2","3","1") = "7"
    & skf18("2","8","6","7","2","4","1") = "7"
    & skf18("2","8","6","7","2","5","1") = "7"
    & skf18("2","8","6","7","2","6","1") = "7"
    & skf18("2","8","6","7","2","7","1") = "7"
    & skf18("2","8","6","7","2","8","1") = "7"
    & skf18("2","8","6","7","2","9","1") = "8"
    & skf18("2","8","6","7","2","10","1") = "9"
    & skf18("2","8","6","7","3","1","1") = "7"
    & skf18("2","8","6","7","3","2","1") = "7"
    & skf18("2","8","6","7","3","3","1") = "7"
    & skf18("2","8","6","7","3","4","1") = "7"
    & skf18("2","8","6","7","3","5","1") = "7"
    & skf18("2","8","6","7","3","6","1") = "7"
    & skf18("2","8","6","7","3","7","1") = "7"
    & skf18("2","8","6","7","3","8","1") = "7"
    & skf18("2","8","6","7","3","9","1") = "8"
    & skf18("2","8","6","7","3","10","1") = "9"
    & skf18("2","8","6","7","4","1","1") = "7"
    & skf18("2","8","6","7","4","2","1") = "7"
    & skf18("2","8","6","7","4","3","1") = "7"
    & skf18("2","8","6","7","4","4","1") = "7"
    & skf18("2","8","6","7","4","5","1") = "7"
    & skf18("2","8","6","7","4","6","1") = "7"
    & skf18("2","8","6","7","4","7","1") = "7"
    & skf18("2","8","6","7","4","8","1") = "7"
    & skf18("2","8","6","7","4","9","1") = "8"
    & skf18("2","8","6","7","4","10","1") = "9"
    & skf18("2","8","6","7","5","1","1") = "7"
    & skf18("2","8","6","7","5","2","1") = "7"
    & skf18("2","8","6","7","5","3","1") = "7"
    & skf18("2","8","6","7","5","4","1") = "7"
    & skf18("2","8","6","7","5","5","1") = "7"
    & skf18("2","8","6","7","5","6","1") = "7"
    & skf18("2","8","6","7","5","7","1") = "7"
    & skf18("2","8","6","7","5","8","1") = "7"
    & skf18("2","8","6","7","5","9","1") = "8"
    & skf18("2","8","6","7","5","10","1") = "9"
    & skf18("2","8","6","7","6","1","1") = "7"
    & skf18("2","8","6","7","6","2","1") = "7"
    & skf18("2","8","6","7","6","3","1") = "7"
    & skf18("2","8","6","7","6","4","1") = "7"
    & skf18("2","8","6","7","6","5","1") = "7"
    & skf18("2","8","6","7","6","6","1") = "7"
    & skf18("2","8","6","7","6","7","1") = "7"
    & skf18("2","8","6","7","6","8","1") = "7"
    & skf18("2","8","6","7","6","9","1") = "8"
    & skf18("2","8","6","7","6","10","1") = "9"
    & skf18("2","8","6","7","7","1","1") = "7"
    & skf18("2","8","6","7","7","2","1") = "7"
    & skf18("2","8","6","7","7","3","1") = "7"
    & skf18("2","8","6","7","7","4","1") = "7"
    & skf18("2","8","6","7","7","5","1") = "7"
    & skf18("2","8","6","7","7","6","1") = "7"
    & skf18("2","8","6","7","7","7","1") = "7"
    & skf18("2","8","6","7","7","8","1") = "7"
    & skf18("2","8","6","7","7","9","1") = "8"
    & skf18("2","8","6","7","7","10","1") = "9"
    & skf18("2","8","6","7","8","1","1") = "7"
    & skf18("2","8","6","7","8","2","1") = "7"
    & skf18("2","8","6","7","8","3","1") = "7"
    & skf18("2","8","6","7","8","4","1") = "7"
    & skf18("2","8","6","7","8","5","1") = "7"
    & skf18("2","8","6","7","8","6","1") = "7"
    & skf18("2","8","6","7","8","7","1") = "7"
    & skf18("2","8","6","7","8","8","1") = "7"
    & skf18("2","8","6","7","8","9","1") = "8"
    & skf18("2","8","6","7","8","10","1") = "9"
    & skf18("2","8","6","7","9","1","1") = "8"
    & skf18("2","8","6","7","9","2","1") = "8"
    & skf18("2","8","6","7","9","3","1") = "8"
    & skf18("2","8","6","7","9","4","1") = "8"
    & skf18("2","8","6","7","9","5","1") = "8"
    & skf18("2","8","6","7","9","6","1") = "8"
    & skf18("2","8","6","7","9","7","1") = "8"
    & skf18("2","8","6","7","9","8","1") = "8"
    & skf18("2","8","6","7","9","9","1") = "8"
    & skf18("2","8","6","7","9","10","1") = "9"
    & skf18("2","8","6","7","10","1","1") = "9"
    & skf18("2","8","6","7","10","2","1") = "9"
    & skf18("2","8","6","7","10","3","1") = "9"
    & skf18("2","8","6","7","10","4","1") = "9"
    & skf18("2","8","6","7","10","5","1") = "9"
    & skf18("2","8","6","7","10","6","1") = "9"
    & skf18("2","8","6","7","10","7","1") = "9"
    & skf18("2","8","6","7","10","8","1") = "9"
    & skf18("2","8","6","7","10","9","1") = "9"
    & skf18("2","8","6","7","10","10","1") = "9"
    & skf18("2","8","6","8","1","1","1") = "7"
    & skf18("2","8","6","8","1","2","1") = "7"
    & skf18("2","8","6","8","1","3","1") = "7"
    & skf18("2","8","6","8","1","4","1") = "7"
    & skf18("2","8","6","8","1","5","1") = "7"
    & skf18("2","8","6","8","1","6","1") = "7"
    & skf18("2","8","6","8","1","7","1") = "7"
    & skf18("2","8","6","8","1","8","1") = "7"
    & skf18("2","8","6","8","1","9","1") = "8"
    & skf18("2","8","6","8","1","10","1") = "9"
    & skf18("2","8","6","8","2","1","1") = "7"
    & skf18("2","8","6","8","2","2","1") = "7"
    & skf18("2","8","6","8","2","3","1") = "7"
    & skf18("2","8","6","8","2","4","1") = "7"
    & skf18("2","8","6","8","2","5","1") = "7"
    & skf18("2","8","6","8","2","6","1") = "7"
    & skf18("2","8","6","8","2","7","1") = "7"
    & skf18("2","8","6","8","2","8","1") = "7"
    & skf18("2","8","6","8","2","9","1") = "8"
    & skf18("2","8","6","8","2","10","1") = "9"
    & skf18("2","8","6","8","3","1","1") = "7"
    & skf18("2","8","6","8","3","2","1") = "7"
    & skf18("2","8","6","8","3","3","1") = "7"
    & skf18("2","8","6","8","3","4","1") = "7"
    & skf18("2","8","6","8","3","5","1") = "7"
    & skf18("2","8","6","8","3","6","1") = "7"
    & skf18("2","8","6","8","3","7","1") = "7"
    & skf18("2","8","6","8","3","8","1") = "7"
    & skf18("2","8","6","8","3","9","1") = "8"
    & skf18("2","8","6","8","3","10","1") = "9"
    & skf18("2","8","6","8","4","1","1") = "7"
    & skf18("2","8","6","8","4","2","1") = "7"
    & skf18("2","8","6","8","4","3","1") = "7"
    & skf18("2","8","6","8","4","4","1") = "7"
    & skf18("2","8","6","8","4","5","1") = "7"
    & skf18("2","8","6","8","4","6","1") = "7"
    & skf18("2","8","6","8","4","7","1") = "7"
    & skf18("2","8","6","8","4","8","1") = "7"
    & skf18("2","8","6","8","4","9","1") = "8"
    & skf18("2","8","6","8","4","10","1") = "9"
    & skf18("2","8","6","8","5","1","1") = "7"
    & skf18("2","8","6","8","5","2","1") = "7"
    & skf18("2","8","6","8","5","3","1") = "7"
    & skf18("2","8","6","8","5","4","1") = "7"
    & skf18("2","8","6","8","5","5","1") = "7"
    & skf18("2","8","6","8","5","6","1") = "7"
    & skf18("2","8","6","8","5","7","1") = "7"
    & skf18("2","8","6","8","5","8","1") = "7"
    & skf18("2","8","6","8","5","9","1") = "8"
    & skf18("2","8","6","8","5","10","1") = "9"
    & skf18("2","8","6","8","6","1","1") = "7"
    & skf18("2","8","6","8","6","2","1") = "7"
    & skf18("2","8","6","8","6","3","1") = "7"
    & skf18("2","8","6","8","6","4","1") = "7"
    & skf18("2","8","6","8","6","5","1") = "7"
    & skf18("2","8","6","8","6","6","1") = "7"
    & skf18("2","8","6","8","6","7","1") = "7"
    & skf18("2","8","6","8","6","8","1") = "7"
    & skf18("2","8","6","8","6","9","1") = "8"
    & skf18("2","8","6","8","6","10","1") = "9"
    & skf18("2","8","6","8","7","1","1") = "7"
    & skf18("2","8","6","8","7","2","1") = "7"
    & skf18("2","8","6","8","7","3","1") = "7"
    & skf18("2","8","6","8","7","4","1") = "7"
    & skf18("2","8","6","8","7","5","1") = "7"
    & skf18("2","8","6","8","7","6","1") = "7"
    & skf18("2","8","6","8","7","7","1") = "7"
    & skf18("2","8","6","8","7","8","1") = "7"
    & skf18("2","8","6","8","7","9","1") = "8"
    & skf18("2","8","6","8","7","10","1") = "9"
    & skf18("2","8","6","8","8","1","1") = "7"
    & skf18("2","8","6","8","8","2","1") = "7"
    & skf18("2","8","6","8","8","3","1") = "7"
    & skf18("2","8","6","8","8","4","1") = "7"
    & skf18("2","8","6","8","8","5","1") = "7"
    & skf18("2","8","6","8","8","6","1") = "7"
    & skf18("2","8","6","8","8","7","1") = "7"
    & skf18("2","8","6","8","8","8","1") = "7"
    & skf18("2","8","6","8","8","9","1") = "8"
    & skf18("2","8","6","8","8","10","1") = "9"
    & skf18("2","8","6","8","9","1","1") = "8"
    & skf18("2","8","6","8","9","2","1") = "8"
    & skf18("2","8","6","8","9","3","1") = "8"
    & skf18("2","8","6","8","9","4","1") = "8"
    & skf18("2","8","6","8","9","5","1") = "8"
    & skf18("2","8","6","8","9","6","1") = "8"
    & skf18("2","8","6","8","9","7","1") = "8"
    & skf18("2","8","6","8","9","8","1") = "8"
    & skf18("2","8","6","8","9","9","1") = "8"
    & skf18("2","8","6","8","9","10","1") = "9"
    & skf18("2","8","6","8","10","1","1") = "9"
    & skf18("2","8","6","8","10","2","1") = "9"
    & skf18("2","8","6","8","10","3","1") = "9"
    & skf18("2","8","6","8","10","4","1") = "9"
    & skf18("2","8","6","8","10","5","1") = "9"
    & skf18("2","8","6","8","10","6","1") = "9"
    & skf18("2","8","6","8","10","7","1") = "9"
    & skf18("2","8","6","8","10","8","1") = "9"
    & skf18("2","8","6","8","10","9","1") = "9"
    & skf18("2","8","6","8","10","10","1") = "9"
    & skf18("2","8","6","9","1","1","1") = "8"
    & skf18("2","8","6","9","1","2","1") = "8"
    & skf18("2","8","6","9","1","3","1") = "8"
    & skf18("2","8","6","9","1","4","1") = "8"
    & skf18("2","8","6","9","1","5","1") = "8"
    & skf18("2","8","6","9","1","6","1") = "8"
    & skf18("2","8","6","9","1","7","1") = "8"
    & skf18("2","8","6","9","1","8","1") = "8"
    & skf18("2","8","6","9","1","9","1") = "8"
    & skf18("2","8","6","9","1","10","1") = "9"
    & skf18("2","8","6","9","2","1","1") = "8"
    & skf18("2","8","6","9","2","2","1") = "8"
    & skf18("2","8","6","9","2","3","1") = "8"
    & skf18("2","8","6","9","2","4","1") = "8"
    & skf18("2","8","6","9","2","5","1") = "8"
    & skf18("2","8","6","9","2","6","1") = "8"
    & skf18("2","8","6","9","2","7","1") = "8"
    & skf18("2","8","6","9","2","8","1") = "8"
    & skf18("2","8","6","9","2","9","1") = "8"
    & skf18("2","8","6","9","2","10","1") = "9"
    & skf18("2","8","6","9","3","1","1") = "8"
    & skf18("2","8","6","9","3","2","1") = "8"
    & skf18("2","8","6","9","3","3","1") = "8"
    & skf18("2","8","6","9","3","4","1") = "8"
    & skf18("2","8","6","9","3","5","1") = "8"
    & skf18("2","8","6","9","3","6","1") = "8"
    & skf18("2","8","6","9","3","7","1") = "8"
    & skf18("2","8","6","9","3","8","1") = "8"
    & skf18("2","8","6","9","3","9","1") = "8"
    & skf18("2","8","6","9","3","10","1") = "9"
    & skf18("2","8","6","9","4","1","1") = "8"
    & skf18("2","8","6","9","4","2","1") = "8"
    & skf18("2","8","6","9","4","3","1") = "8"
    & skf18("2","8","6","9","4","4","1") = "8"
    & skf18("2","8","6","9","4","5","1") = "8"
    & skf18("2","8","6","9","4","6","1") = "8"
    & skf18("2","8","6","9","4","7","1") = "8"
    & skf18("2","8","6","9","4","8","1") = "8"
    & skf18("2","8","6","9","4","9","1") = "8"
    & skf18("2","8","6","9","4","10","1") = "9"
    & skf18("2","8","6","9","5","1","1") = "8"
    & skf18("2","8","6","9","5","2","1") = "8"
    & skf18("2","8","6","9","5","3","1") = "8"
    & skf18("2","8","6","9","5","4","1") = "8"
    & skf18("2","8","6","9","5","5","1") = "8"
    & skf18("2","8","6","9","5","6","1") = "8"
    & skf18("2","8","6","9","5","7","1") = "8"
    & skf18("2","8","6","9","5","8","1") = "8"
    & skf18("2","8","6","9","5","9","1") = "8"
    & skf18("2","8","6","9","5","10","1") = "9"
    & skf18("2","8","6","9","6","1","1") = "8"
    & skf18("2","8","6","9","6","2","1") = "8"
    & skf18("2","8","6","9","6","3","1") = "8"
    & skf18("2","8","6","9","6","4","1") = "8"
    & skf18("2","8","6","9","6","5","1") = "8"
    & skf18("2","8","6","9","6","6","1") = "8"
    & skf18("2","8","6","9","6","7","1") = "8"
    & skf18("2","8","6","9","6","8","1") = "8"
    & skf18("2","8","6","9","6","9","1") = "8"
    & skf18("2","8","6","9","6","10","1") = "9"
    & skf18("2","8","6","9","7","1","1") = "8"
    & skf18("2","8","6","9","7","2","1") = "8"
    & skf18("2","8","6","9","7","3","1") = "8"
    & skf18("2","8","6","9","7","4","1") = "8"
    & skf18("2","8","6","9","7","5","1") = "8"
    & skf18("2","8","6","9","7","6","1") = "8"
    & skf18("2","8","6","9","7","7","1") = "8"
    & skf18("2","8","6","9","7","8","1") = "8"
    & skf18("2","8","6","9","7","9","1") = "8"
    & skf18("2","8","6","9","7","10","1") = "9"
    & skf18("2","8","6","9","8","1","1") = "8"
    & skf18("2","8","6","9","8","2","1") = "8"
    & skf18("2","8","6","9","8","3","1") = "8"
    & skf18("2","8","6","9","8","4","1") = "8"
    & skf18("2","8","6","9","8","5","1") = "8"
    & skf18("2","8","6","9","8","6","1") = "8"
    & skf18("2","8","6","9","8","7","1") = "8"
    & skf18("2","8","6","9","8","8","1") = "8"
    & skf18("2","8","6","9","8","9","1") = "8"
    & skf18("2","8","6","9","8","10","1") = "9"
    & skf18("2","8","6","9","9","1","1") = "8"
    & skf18("2","8","6","9","9","2","1") = "8"
    & skf18("2","8","6","9","9","3","1") = "8"
    & skf18("2","8","6","9","9","4","1") = "8"
    & skf18("2","8","6","9","9","5","1") = "8"
    & skf18("2","8","6","9","9","6","1") = "8"
    & skf18("2","8","6","9","9","7","1") = "8"
    & skf18("2","8","6","9","9","8","1") = "8"
    & skf18("2","8","6","9","9","9","1") = "8"
    & skf18("2","8","6","9","9","10","1") = "9"
    & skf18("2","8","6","9","10","1","1") = "9"
    & skf18("2","8","6","9","10","2","1") = "9"
    & skf18("2","8","6","9","10","3","1") = "9"
    & skf18("2","8","6","9","10","4","1") = "9"
    & skf18("2","8","6","9","10","5","1") = "9"
    & skf18("2","8","6","9","10","6","1") = "9"
    & skf18("2","8","6","9","10","7","1") = "9"
    & skf18("2","8","6","9","10","8","1") = "9"
    & skf18("2","8","6","9","10","9","1") = "9"
    & skf18("2","8","6","9","10","10","1") = "9"
    & skf18("2","8","6","10","1","1","1") = "9"
    & skf18("2","8","6","10","1","2","1") = "9"
    & skf18("2","8","6","10","1","3","1") = "9"
    & skf18("2","8","6","10","1","4","1") = "9"
    & skf18("2","8","6","10","1","5","1") = "9"
    & skf18("2","8","6","10","1","6","1") = "9"
    & skf18("2","8","6","10","1","7","1") = "9"
    & skf18("2","8","6","10","1","8","1") = "9"
    & skf18("2","8","6","10","1","9","1") = "9"
    & skf18("2","8","6","10","1","10","1") = "9"
    & skf18("2","8","6","10","2","1","1") = "9"
    & skf18("2","8","6","10","2","2","1") = "9"
    & skf18("2","8","6","10","2","3","1") = "9"
    & skf18("2","8","6","10","2","4","1") = "9"
    & skf18("2","8","6","10","2","5","1") = "9"
    & skf18("2","8","6","10","2","6","1") = "9"
    & skf18("2","8","6","10","2","7","1") = "9"
    & skf18("2","8","6","10","2","8","1") = "9"
    & skf18("2","8","6","10","2","9","1") = "9"
    & skf18("2","8","6","10","2","10","1") = "9"
    & skf18("2","8","6","10","3","1","1") = "9"
    & skf18("2","8","6","10","3","2","1") = "9"
    & skf18("2","8","6","10","3","3","1") = "9"
    & skf18("2","8","6","10","3","4","1") = "9"
    & skf18("2","8","6","10","3","5","1") = "9"
    & skf18("2","8","6","10","3","6","1") = "9"
    & skf18("2","8","6","10","3","7","1") = "9"
    & skf18("2","8","6","10","3","8","1") = "9"
    & skf18("2","8","6","10","3","9","1") = "9"
    & skf18("2","8","6","10","3","10","1") = "9"
    & skf18("2","8","6","10","4","1","1") = "9"
    & skf18("2","8","6","10","4","2","1") = "9"
    & skf18("2","8","6","10","4","3","1") = "9"
    & skf18("2","8","6","10","4","4","1") = "9"
    & skf18("2","8","6","10","4","5","1") = "9"
    & skf18("2","8","6","10","4","6","1") = "9"
    & skf18("2","8","6","10","4","7","1") = "9"
    & skf18("2","8","6","10","4","8","1") = "9"
    & skf18("2","8","6","10","4","9","1") = "9"
    & skf18("2","8","6","10","4","10","1") = "9"
    & skf18("2","8","6","10","5","1","1") = "9"
    & skf18("2","8","6","10","5","2","1") = "9"
    & skf18("2","8","6","10","5","3","1") = "9"
    & skf18("2","8","6","10","5","4","1") = "9"
    & skf18("2","8","6","10","5","5","1") = "9"
    & skf18("2","8","6","10","5","6","1") = "9"
    & skf18("2","8","6","10","5","7","1") = "9"
    & skf18("2","8","6","10","5","8","1") = "9"
    & skf18("2","8","6","10","5","9","1") = "9"
    & skf18("2","8","6","10","5","10","1") = "9"
    & skf18("2","8","6","10","6","1","1") = "9"
    & skf18("2","8","6","10","6","2","1") = "9"
    & skf18("2","8","6","10","6","3","1") = "9"
    & skf18("2","8","6","10","6","4","1") = "9"
    & skf18("2","8","6","10","6","5","1") = "9"
    & skf18("2","8","6","10","6","6","1") = "9"
    & skf18("2","8","6","10","6","7","1") = "9"
    & skf18("2","8","6","10","6","8","1") = "9"
    & skf18("2","8","6","10","6","9","1") = "9"
    & skf18("2","8","6","10","6","10","1") = "9"
    & skf18("2","8","6","10","7","1","1") = "9"
    & skf18("2","8","6","10","7","2","1") = "9"
    & skf18("2","8","6","10","7","3","1") = "9"
    & skf18("2","8","6","10","7","4","1") = "9"
    & skf18("2","8","6","10","7","5","1") = "9"
    & skf18("2","8","6","10","7","6","1") = "9"
    & skf18("2","8","6","10","7","7","1") = "9"
    & skf18("2","8","6","10","7","8","1") = "9"
    & skf18("2","8","6","10","7","9","1") = "9"
    & skf18("2","8","6","10","7","10","1") = "9"
    & skf18("2","8","6","10","8","1","1") = "9"
    & skf18("2","8","6","10","8","2","1") = "9"
    & skf18("2","8","6","10","8","3","1") = "9"
    & skf18("2","8","6","10","8","4","1") = "9"
    & skf18("2","8","6","10","8","5","1") = "9"
    & skf18("2","8","6","10","8","6","1") = "9"
    & skf18("2","8","6","10","8","7","1") = "9"
    & skf18("2","8","6","10","8","8","1") = "9"
    & skf18("2","8","6","10","8","9","1") = "9"
    & skf18("2","8","6","10","8","10","1") = "9"
    & skf18("2","8","6","10","9","1","1") = "9"
    & skf18("2","8","6","10","9","2","1") = "9"
    & skf18("2","8","6","10","9","3","1") = "9"
    & skf18("2","8","6","10","9","4","1") = "9"
    & skf18("2","8","6","10","9","5","1") = "9"
    & skf18("2","8","6","10","9","6","1") = "9"
    & skf18("2","8","6","10","9","7","1") = "9"
    & skf18("2","8","6","10","9","8","1") = "9"
    & skf18("2","8","6","10","9","9","1") = "9"
    & skf18("2","8","6","10","9","10","1") = "9"
    & skf18("2","8","6","10","10","1","1") = "9"
    & skf18("2","8","6","10","10","2","1") = "9"
    & skf18("2","8","6","10","10","3","1") = "9"
    & skf18("2","8","6","10","10","4","1") = "9"
    & skf18("2","8","6","10","10","5","1") = "9"
    & skf18("2","8","6","10","10","6","1") = "9"
    & skf18("2","8","6","10","10","7","1") = "9"
    & skf18("2","8","6","10","10","8","1") = "9"
    & skf18("2","8","6","10","10","9","1") = "9"
    & skf18("2","8","6","10","10","10","1") = "9"
    & skf18("2","8","7","1","1","1","1") = "7"
    & skf18("2","8","7","1","1","2","1") = "7"
    & skf18("2","8","7","1","1","3","1") = "7"
    & skf18("2","8","7","1","1","4","1") = "7"
    & skf18("2","8","7","1","1","5","1") = "7"
    & skf18("2","8","7","1","1","6","1") = "7"
    & skf18("2","8","7","1","1","7","1") = "7"
    & skf18("2","8","7","1","1","8","1") = "7"
    & skf18("2","8","7","1","1","9","1") = "8"
    & skf18("2","8","7","1","1","10","1") = "9"
    & skf18("2","8","7","1","2","1","1") = "7"
    & skf18("2","8","7","1","2","2","1") = "7"
    & skf18("2","8","7","1","2","3","1") = "7"
    & skf18("2","8","7","1","2","4","1") = "7"
    & skf18("2","8","7","1","2","5","1") = "7"
    & skf18("2","8","7","1","2","6","1") = "7"
    & skf18("2","8","7","1","2","7","1") = "7"
    & skf18("2","8","7","1","2","8","1") = "7"
    & skf18("2","8","7","1","2","9","1") = "8"
    & skf18("2","8","7","1","2","10","1") = "9"
    & skf18("2","8","7","1","3","1","1") = "7"
    & skf18("2","8","7","1","3","2","1") = "7"
    & skf18("2","8","7","1","3","3","1") = "7"
    & skf18("2","8","7","1","3","4","1") = "7"
    & skf18("2","8","7","1","3","5","1") = "7"
    & skf18("2","8","7","1","3","6","1") = "7"
    & skf18("2","8","7","1","3","7","1") = "7"
    & skf18("2","8","7","1","3","8","1") = "7"
    & skf18("2","8","7","1","3","9","1") = "8"
    & skf18("2","8","7","1","3","10","1") = "9"
    & skf18("2","8","7","1","4","1","1") = "7"
    & skf18("2","8","7","1","4","2","1") = "7"
    & skf18("2","8","7","1","4","3","1") = "7"
    & skf18("2","8","7","1","4","4","1") = "7"
    & skf18("2","8","7","1","4","5","1") = "7"
    & skf18("2","8","7","1","4","6","1") = "7"
    & skf18("2","8","7","1","4","7","1") = "7"
    & skf18("2","8","7","1","4","8","1") = "7"
    & skf18("2","8","7","1","4","9","1") = "8"
    & skf18("2","8","7","1","4","10","1") = "9"
    & skf18("2","8","7","1","5","1","1") = "7"
    & skf18("2","8","7","1","5","2","1") = "7"
    & skf18("2","8","7","1","5","3","1") = "7"
    & skf18("2","8","7","1","5","4","1") = "7"
    & skf18("2","8","7","1","5","5","1") = "7"
    & skf18("2","8","7","1","5","6","1") = "7"
    & skf18("2","8","7","1","5","7","1") = "7"
    & skf18("2","8","7","1","5","8","1") = "7"
    & skf18("2","8","7","1","5","9","1") = "8"
    & skf18("2","8","7","1","5","10","1") = "9"
    & skf18("2","8","7","1","6","1","1") = "7"
    & skf18("2","8","7","1","6","2","1") = "7"
    & skf18("2","8","7","1","6","3","1") = "7"
    & skf18("2","8","7","1","6","4","1") = "7"
    & skf18("2","8","7","1","6","5","1") = "7"
    & skf18("2","8","7","1","6","6","1") = "7"
    & skf18("2","8","7","1","6","7","1") = "7"
    & skf18("2","8","7","1","6","8","1") = "7"
    & skf18("2","8","7","1","6","9","1") = "8"
    & skf18("2","8","7","1","6","10","1") = "9"
    & skf18("2","8","7","1","7","1","1") = "7"
    & skf18("2","8","7","1","7","2","1") = "7"
    & skf18("2","8","7","1","7","3","1") = "7"
    & skf18("2","8","7","1","7","4","1") = "7"
    & skf18("2","8","7","1","7","5","1") = "7"
    & skf18("2","8","7","1","7","6","1") = "7"
    & skf18("2","8","7","1","7","7","1") = "7"
    & skf18("2","8","7","1","7","8","1") = "7"
    & skf18("2","8","7","1","7","9","1") = "8"
    & skf18("2","8","7","1","7","10","1") = "9"
    & skf18("2","8","7","1","8","1","1") = "7"
    & skf18("2","8","7","1","8","2","1") = "7"
    & skf18("2","8","7","1","8","3","1") = "7"
    & skf18("2","8","7","1","8","4","1") = "7"
    & skf18("2","8","7","1","8","5","1") = "7"
    & skf18("2","8","7","1","8","6","1") = "7"
    & skf18("2","8","7","1","8","7","1") = "7"
    & skf18("2","8","7","1","8","8","1") = "7"
    & skf18("2","8","7","1","8","9","1") = "8"
    & skf18("2","8","7","1","8","10","1") = "9"
    & skf18("2","8","7","1","9","1","1") = "8"
    & skf18("2","8","7","1","9","2","1") = "8"
    & skf18("2","8","7","1","9","3","1") = "8"
    & skf18("2","8","7","1","9","4","1") = "8"
    & skf18("2","8","7","1","9","5","1") = "8"
    & skf18("2","8","7","1","9","6","1") = "8"
    & skf18("2","8","7","1","9","7","1") = "8"
    & skf18("2","8","7","1","9","8","1") = "8"
    & skf18("2","8","7","1","9","9","1") = "8"
    & skf18("2","8","7","1","9","10","1") = "9"
    & skf18("2","8","7","1","10","1","1") = "9"
    & skf18("2","8","7","1","10","2","1") = "9"
    & skf18("2","8","7","1","10","3","1") = "9"
    & skf18("2","8","7","1","10","4","1") = "9"
    & skf18("2","8","7","1","10","5","1") = "9"
    & skf18("2","8","7","1","10","6","1") = "9"
    & skf18("2","8","7","1","10","7","1") = "9"
    & skf18("2","8","7","1","10","8","1") = "9"
    & skf18("2","8","7","1","10","9","1") = "9"
    & skf18("2","8","7","1","10","10","1") = "9"
    & skf18("2","8","7","2","1","1","1") = "7"
    & skf18("2","8","7","2","1","2","1") = "7"
    & skf18("2","8","7","2","1","3","1") = "7"
    & skf18("2","8","7","2","1","4","1") = "7"
    & skf18("2","8","7","2","1","5","1") = "7"
    & skf18("2","8","7","2","1","6","1") = "7"
    & skf18("2","8","7","2","1","7","1") = "7"
    & skf18("2","8","7","2","1","8","1") = "7"
    & skf18("2","8","7","2","1","9","1") = "8"
    & skf18("2","8","7","2","1","10","1") = "9"
    & skf18("2","8","7","2","2","1","1") = "7"
    & skf18("2","8","7","2","2","2","1") = "7"
    & skf18("2","8","7","2","2","3","1") = "7"
    & skf18("2","8","7","2","2","4","1") = "7"
    & skf18("2","8","7","2","2","5","1") = "7"
    & skf18("2","8","7","2","2","6","1") = "7"
    & skf18("2","8","7","2","2","7","1") = "7"
    & skf18("2","8","7","2","2","8","1") = "7"
    & skf18("2","8","7","2","2","9","1") = "8"
    & skf18("2","8","7","2","2","10","1") = "9"
    & skf18("2","8","7","2","3","1","1") = "7"
    & skf18("2","8","7","2","3","2","1") = "7"
    & skf18("2","8","7","2","3","3","1") = "7"
    & skf18("2","8","7","2","3","4","1") = "7"
    & skf18("2","8","7","2","3","5","1") = "7"
    & skf18("2","8","7","2","3","6","1") = "7"
    & skf18("2","8","7","2","3","7","1") = "7"
    & skf18("2","8","7","2","3","8","1") = "7"
    & skf18("2","8","7","2","3","9","1") = "8"
    & skf18("2","8","7","2","3","10","1") = "9"
    & skf18("2","8","7","2","4","1","1") = "7"
    & skf18("2","8","7","2","4","2","1") = "7"
    & skf18("2","8","7","2","4","3","1") = "7"
    & skf18("2","8","7","2","4","4","1") = "7"
    & skf18("2","8","7","2","4","5","1") = "7"
    & skf18("2","8","7","2","4","6","1") = "7"
    & skf18("2","8","7","2","4","7","1") = "7"
    & skf18("2","8","7","2","4","8","1") = "7"
    & skf18("2","8","7","2","4","9","1") = "8"
    & skf18("2","8","7","2","4","10","1") = "9"
    & skf18("2","8","7","2","5","1","1") = "7"
    & skf18("2","8","7","2","5","2","1") = "7"
    & skf18("2","8","7","2","5","3","1") = "7"
    & skf18("2","8","7","2","5","4","1") = "7"
    & skf18("2","8","7","2","5","5","1") = "7"
    & skf18("2","8","7","2","5","6","1") = "7"
    & skf18("2","8","7","2","5","7","1") = "7"
    & skf18("2","8","7","2","5","8","1") = "7"
    & skf18("2","8","7","2","5","9","1") = "8"
    & skf18("2","8","7","2","5","10","1") = "9"
    & skf18("2","8","7","2","6","1","1") = "7"
    & skf18("2","8","7","2","6","2","1") = "7"
    & skf18("2","8","7","2","6","3","1") = "7"
    & skf18("2","8","7","2","6","4","1") = "7"
    & skf18("2","8","7","2","6","5","1") = "7"
    & skf18("2","8","7","2","6","6","1") = "7"
    & skf18("2","8","7","2","6","7","1") = "7"
    & skf18("2","8","7","2","6","8","1") = "7"
    & skf18("2","8","7","2","6","9","1") = "8"
    & skf18("2","8","7","2","6","10","1") = "9"
    & skf18("2","8","7","2","7","1","1") = "7"
    & skf18("2","8","7","2","7","2","1") = "7"
    & skf18("2","8","7","2","7","3","1") = "7"
    & skf18("2","8","7","2","7","4","1") = "7"
    & skf18("2","8","7","2","7","5","1") = "7"
    & skf18("2","8","7","2","7","6","1") = "7"
    & skf18("2","8","7","2","7","7","1") = "7"
    & skf18("2","8","7","2","7","8","1") = "7"
    & skf18("2","8","7","2","7","9","1") = "8"
    & skf18("2","8","7","2","7","10","1") = "9"
    & skf18("2","8","7","2","8","1","1") = "7"
    & skf18("2","8","7","2","8","2","1") = "7"
    & skf18("2","8","7","2","8","3","1") = "7"
    & skf18("2","8","7","2","8","4","1") = "7"
    & skf18("2","8","7","2","8","5","1") = "7"
    & skf18("2","8","7","2","8","6","1") = "7"
    & skf18("2","8","7","2","8","7","1") = "7"
    & skf18("2","8","7","2","8","8","1") = "7"
    & skf18("2","8","7","2","8","9","1") = "8"
    & skf18("2","8","7","2","8","10","1") = "9"
    & skf18("2","8","7","2","9","1","1") = "8"
    & skf18("2","8","7","2","9","2","1") = "8"
    & skf18("2","8","7","2","9","3","1") = "8"
    & skf18("2","8","7","2","9","4","1") = "8"
    & skf18("2","8","7","2","9","5","1") = "8"
    & skf18("2","8","7","2","9","6","1") = "8"
    & skf18("2","8","7","2","9","7","1") = "8"
    & skf18("2","8","7","2","9","8","1") = "8"
    & skf18("2","8","7","2","9","9","1") = "8"
    & skf18("2","8","7","2","9","10","1") = "9"
    & skf18("2","8","7","2","10","1","1") = "9"
    & skf18("2","8","7","2","10","2","1") = "9"
    & skf18("2","8","7","2","10","3","1") = "9"
    & skf18("2","8","7","2","10","4","1") = "9"
    & skf18("2","8","7","2","10","5","1") = "9"
    & skf18("2","8","7","2","10","6","1") = "9"
    & skf18("2","8","7","2","10","7","1") = "9"
    & skf18("2","8","7","2","10","8","1") = "9"
    & skf18("2","8","7","2","10","9","1") = "9"
    & skf18("2","8","7","2","10","10","1") = "9"
    & skf18("2","8","7","3","1","1","1") = "7"
    & skf18("2","8","7","3","1","2","1") = "7"
    & skf18("2","8","7","3","1","3","1") = "7"
    & skf18("2","8","7","3","1","4","1") = "7"
    & skf18("2","8","7","3","1","5","1") = "7"
    & skf18("2","8","7","3","1","6","1") = "7"
    & skf18("2","8","7","3","1","7","1") = "7"
    & skf18("2","8","7","3","1","8","1") = "7"
    & skf18("2","8","7","3","1","9","1") = "8"
    & skf18("2","8","7","3","1","10","1") = "9"
    & skf18("2","8","7","3","2","1","1") = "7"
    & skf18("2","8","7","3","2","2","1") = "7"
    & skf18("2","8","7","3","2","3","1") = "7"
    & skf18("2","8","7","3","2","4","1") = "7"
    & skf18("2","8","7","3","2","5","1") = "7"
    & skf18("2","8","7","3","2","6","1") = "7"
    & skf18("2","8","7","3","2","7","1") = "7"
    & skf18("2","8","7","3","2","8","1") = "7"
    & skf18("2","8","7","3","2","9","1") = "8"
    & skf18("2","8","7","3","2","10","1") = "9"
    & skf18("2","8","7","3","3","1","1") = "7"
    & skf18("2","8","7","3","3","2","1") = "7"
    & skf18("2","8","7","3","3","3","1") = "7"
    & skf18("2","8","7","3","3","4","1") = "7"
    & skf18("2","8","7","3","3","5","1") = "7"
    & skf18("2","8","7","3","3","6","1") = "7"
    & skf18("2","8","7","3","3","7","1") = "7"
    & skf18("2","8","7","3","3","8","1") = "7"
    & skf18("2","8","7","3","3","9","1") = "8"
    & skf18("2","8","7","3","3","10","1") = "9"
    & skf18("2","8","7","3","4","1","1") = "7"
    & skf18("2","8","7","3","4","2","1") = "7"
    & skf18("2","8","7","3","4","3","1") = "7"
    & skf18("2","8","7","3","4","4","1") = "7"
    & skf18("2","8","7","3","4","5","1") = "7"
    & skf18("2","8","7","3","4","6","1") = "7"
    & skf18("2","8","7","3","4","7","1") = "7"
    & skf18("2","8","7","3","4","8","1") = "7"
    & skf18("2","8","7","3","4","9","1") = "8"
    & skf18("2","8","7","3","4","10","1") = "9"
    & skf18("2","8","7","3","5","1","1") = "7"
    & skf18("2","8","7","3","5","2","1") = "7"
    & skf18("2","8","7","3","5","3","1") = "7"
    & skf18("2","8","7","3","5","4","1") = "7"
    & skf18("2","8","7","3","5","5","1") = "7"
    & skf18("2","8","7","3","5","6","1") = "7"
    & skf18("2","8","7","3","5","7","1") = "7"
    & skf18("2","8","7","3","5","8","1") = "7"
    & skf18("2","8","7","3","5","9","1") = "8"
    & skf18("2","8","7","3","5","10","1") = "9"
    & skf18("2","8","7","3","6","1","1") = "7"
    & skf18("2","8","7","3","6","2","1") = "7"
    & skf18("2","8","7","3","6","3","1") = "7"
    & skf18("2","8","7","3","6","4","1") = "7"
    & skf18("2","8","7","3","6","5","1") = "7"
    & skf18("2","8","7","3","6","6","1") = "7"
    & skf18("2","8","7","3","6","7","1") = "7"
    & skf18("2","8","7","3","6","8","1") = "7"
    & skf18("2","8","7","3","6","9","1") = "8"
    & skf18("2","8","7","3","6","10","1") = "9"
    & skf18("2","8","7","3","7","1","1") = "7"
    & skf18("2","8","7","3","7","2","1") = "7"
    & skf18("2","8","7","3","7","3","1") = "7"
    & skf18("2","8","7","3","7","4","1") = "7"
    & skf18("2","8","7","3","7","5","1") = "7"
    & skf18("2","8","7","3","7","6","1") = "7"
    & skf18("2","8","7","3","7","7","1") = "7"
    & skf18("2","8","7","3","7","8","1") = "7"
    & skf18("2","8","7","3","7","9","1") = "8"
    & skf18("2","8","7","3","7","10","1") = "9"
    & skf18("2","8","7","3","8","1","1") = "7"
    & skf18("2","8","7","3","8","2","1") = "7"
    & skf18("2","8","7","3","8","3","1") = "7"
    & skf18("2","8","7","3","8","4","1") = "7"
    & skf18("2","8","7","3","8","5","1") = "7"
    & skf18("2","8","7","3","8","6","1") = "7"
    & skf18("2","8","7","3","8","7","1") = "7"
    & skf18("2","8","7","3","8","8","1") = "7"
    & skf18("2","8","7","3","8","9","1") = "8"
    & skf18("2","8","7","3","8","10","1") = "9"
    & skf18("2","8","7","3","9","1","1") = "8"
    & skf18("2","8","7","3","9","2","1") = "8"
    & skf18("2","8","7","3","9","3","1") = "8"
    & skf18("2","8","7","3","9","4","1") = "8"
    & skf18("2","8","7","3","9","5","1") = "8"
    & skf18("2","8","7","3","9","6","1") = "8"
    & skf18("2","8","7","3","9","7","1") = "8"
    & skf18("2","8","7","3","9","8","1") = "8"
    & skf18("2","8","7","3","9","9","1") = "8"
    & skf18("2","8","7","3","9","10","1") = "9"
    & skf18("2","8","7","3","10","1","1") = "9"
    & skf18("2","8","7","3","10","2","1") = "9"
    & skf18("2","8","7","3","10","3","1") = "9"
    & skf18("2","8","7","3","10","4","1") = "9"
    & skf18("2","8","7","3","10","5","1") = "9"
    & skf18("2","8","7","3","10","6","1") = "9"
    & skf18("2","8","7","3","10","7","1") = "9"
    & skf18("2","8","7","3","10","8","1") = "9"
    & skf18("2","8","7","3","10","9","1") = "9"
    & skf18("2","8","7","3","10","10","1") = "9"
    & skf18("2","8","7","4","1","1","1") = "7"
    & skf18("2","8","7","4","1","2","1") = "7"
    & skf18("2","8","7","4","1","3","1") = "7"
    & skf18("2","8","7","4","1","4","1") = "7"
    & skf18("2","8","7","4","1","5","1") = "7"
    & skf18("2","8","7","4","1","6","1") = "7"
    & skf18("2","8","7","4","1","7","1") = "7"
    & skf18("2","8","7","4","1","8","1") = "7"
    & skf18("2","8","7","4","1","9","1") = "8"
    & skf18("2","8","7","4","1","10","1") = "9"
    & skf18("2","8","7","4","2","1","1") = "7"
    & skf18("2","8","7","4","2","2","1") = "7"
    & skf18("2","8","7","4","2","3","1") = "7"
    & skf18("2","8","7","4","2","4","1") = "7"
    & skf18("2","8","7","4","2","5","1") = "7"
    & skf18("2","8","7","4","2","6","1") = "7"
    & skf18("2","8","7","4","2","7","1") = "7"
    & skf18("2","8","7","4","2","8","1") = "7"
    & skf18("2","8","7","4","2","9","1") = "8"
    & skf18("2","8","7","4","2","10","1") = "9"
    & skf18("2","8","7","4","3","1","1") = "7"
    & skf18("2","8","7","4","3","2","1") = "7"
    & skf18("2","8","7","4","3","3","1") = "7"
    & skf18("2","8","7","4","3","4","1") = "7"
    & skf18("2","8","7","4","3","5","1") = "7"
    & skf18("2","8","7","4","3","6","1") = "7"
    & skf18("2","8","7","4","3","7","1") = "7"
    & skf18("2","8","7","4","3","8","1") = "7"
    & skf18("2","8","7","4","3","9","1") = "8"
    & skf18("2","8","7","4","3","10","1") = "9"
    & skf18("2","8","7","4","4","1","1") = "7"
    & skf18("2","8","7","4","4","2","1") = "7"
    & skf18("2","8","7","4","4","3","1") = "7"
    & skf18("2","8","7","4","4","4","1") = "7"
    & skf18("2","8","7","4","4","5","1") = "7"
    & skf18("2","8","7","4","4","6","1") = "7"
    & skf18("2","8","7","4","4","7","1") = "7"
    & skf18("2","8","7","4","4","8","1") = "7"
    & skf18("2","8","7","4","4","9","1") = "8"
    & skf18("2","8","7","4","4","10","1") = "9"
    & skf18("2","8","7","4","5","1","1") = "7"
    & skf18("2","8","7","4","5","2","1") = "7"
    & skf18("2","8","7","4","5","3","1") = "7"
    & skf18("2","8","7","4","5","4","1") = "7"
    & skf18("2","8","7","4","5","5","1") = "7"
    & skf18("2","8","7","4","5","6","1") = "7"
    & skf18("2","8","7","4","5","7","1") = "7"
    & skf18("2","8","7","4","5","8","1") = "7"
    & skf18("2","8","7","4","5","9","1") = "8"
    & skf18("2","8","7","4","5","10","1") = "9"
    & skf18("2","8","7","4","6","1","1") = "7"
    & skf18("2","8","7","4","6","2","1") = "7"
    & skf18("2","8","7","4","6","3","1") = "7"
    & skf18("2","8","7","4","6","4","1") = "7"
    & skf18("2","8","7","4","6","5","1") = "7"
    & skf18("2","8","7","4","6","6","1") = "7"
    & skf18("2","8","7","4","6","7","1") = "7"
    & skf18("2","8","7","4","6","8","1") = "7"
    & skf18("2","8","7","4","6","9","1") = "8"
    & skf18("2","8","7","4","6","10","1") = "9"
    & skf18("2","8","7","4","7","1","1") = "7"
    & skf18("2","8","7","4","7","2","1") = "7"
    & skf18("2","8","7","4","7","3","1") = "7"
    & skf18("2","8","7","4","7","4","1") = "7"
    & skf18("2","8","7","4","7","5","1") = "7"
    & skf18("2","8","7","4","7","6","1") = "7"
    & skf18("2","8","7","4","7","7","1") = "7"
    & skf18("2","8","7","4","7","8","1") = "7"
    & skf18("2","8","7","4","7","9","1") = "8"
    & skf18("2","8","7","4","7","10","1") = "9"
    & skf18("2","8","7","4","8","1","1") = "7"
    & skf18("2","8","7","4","8","2","1") = "7"
    & skf18("2","8","7","4","8","3","1") = "7"
    & skf18("2","8","7","4","8","4","1") = "7"
    & skf18("2","8","7","4","8","5","1") = "7"
    & skf18("2","8","7","4","8","6","1") = "7"
    & skf18("2","8","7","4","8","7","1") = "7"
    & skf18("2","8","7","4","8","8","1") = "7"
    & skf18("2","8","7","4","8","9","1") = "8"
    & skf18("2","8","7","4","8","10","1") = "9"
    & skf18("2","8","7","4","9","1","1") = "8"
    & skf18("2","8","7","4","9","2","1") = "8"
    & skf18("2","8","7","4","9","3","1") = "8"
    & skf18("2","8","7","4","9","4","1") = "8"
    & skf18("2","8","7","4","9","5","1") = "8"
    & skf18("2","8","7","4","9","6","1") = "8"
    & skf18("2","8","7","4","9","7","1") = "8"
    & skf18("2","8","7","4","9","8","1") = "8"
    & skf18("2","8","7","4","9","9","1") = "8"
    & skf18("2","8","7","4","9","10","1") = "9"
    & skf18("2","8","7","4","10","1","1") = "9"
    & skf18("2","8","7","4","10","2","1") = "9"
    & skf18("2","8","7","4","10","3","1") = "9"
    & skf18("2","8","7","4","10","4","1") = "9"
    & skf18("2","8","7","4","10","5","1") = "9"
    & skf18("2","8","7","4","10","6","1") = "9"
    & skf18("2","8","7","4","10","7","1") = "9"
    & skf18("2","8","7","4","10","8","1") = "9"
    & skf18("2","8","7","4","10","9","1") = "9"
    & skf18("2","8","7","4","10","10","1") = "9"
    & skf18("2","8","7","5","1","1","1") = "7"
    & skf18("2","8","7","5","1","2","1") = "7"
    & skf18("2","8","7","5","1","3","1") = "7"
    & skf18("2","8","7","5","1","4","1") = "7"
    & skf18("2","8","7","5","1","5","1") = "7"
    & skf18("2","8","7","5","1","6","1") = "7"
    & skf18("2","8","7","5","1","7","1") = "7"
    & skf18("2","8","7","5","1","8","1") = "7"
    & skf18("2","8","7","5","1","9","1") = "8"
    & skf18("2","8","7","5","1","10","1") = "9"
    & skf18("2","8","7","5","2","1","1") = "7"
    & skf18("2","8","7","5","2","2","1") = "7"
    & skf18("2","8","7","5","2","3","1") = "7"
    & skf18("2","8","7","5","2","4","1") = "7"
    & skf18("2","8","7","5","2","5","1") = "7"
    & skf18("2","8","7","5","2","6","1") = "7"
    & skf18("2","8","7","5","2","7","1") = "7"
    & skf18("2","8","7","5","2","8","1") = "7"
    & skf18("2","8","7","5","2","9","1") = "8"
    & skf18("2","8","7","5","2","10","1") = "9"
    & skf18("2","8","7","5","3","1","1") = "7"
    & skf18("2","8","7","5","3","2","1") = "7"
    & skf18("2","8","7","5","3","3","1") = "7"
    & skf18("2","8","7","5","3","4","1") = "7"
    & skf18("2","8","7","5","3","5","1") = "7"
    & skf18("2","8","7","5","3","6","1") = "7"
    & skf18("2","8","7","5","3","7","1") = "7"
    & skf18("2","8","7","5","3","8","1") = "7"
    & skf18("2","8","7","5","3","9","1") = "8"
    & skf18("2","8","7","5","3","10","1") = "9"
    & skf18("2","8","7","5","4","1","1") = "7"
    & skf18("2","8","7","5","4","2","1") = "7"
    & skf18("2","8","7","5","4","3","1") = "7"
    & skf18("2","8","7","5","4","4","1") = "7"
    & skf18("2","8","7","5","4","5","1") = "7"
    & skf18("2","8","7","5","4","6","1") = "7"
    & skf18("2","8","7","5","4","7","1") = "7"
    & skf18("2","8","7","5","4","8","1") = "7"
    & skf18("2","8","7","5","4","9","1") = "8"
    & skf18("2","8","7","5","4","10","1") = "9"
    & skf18("2","8","7","5","5","1","1") = "7"
    & skf18("2","8","7","5","5","2","1") = "7"
    & skf18("2","8","7","5","5","3","1") = "7"
    & skf18("2","8","7","5","5","4","1") = "7"
    & skf18("2","8","7","5","5","5","1") = "7"
    & skf18("2","8","7","5","5","6","1") = "7"
    & skf18("2","8","7","5","5","7","1") = "7"
    & skf18("2","8","7","5","5","8","1") = "7"
    & skf18("2","8","7","5","5","9","1") = "8"
    & skf18("2","8","7","5","5","10","1") = "9"
    & skf18("2","8","7","5","6","1","1") = "7"
    & skf18("2","8","7","5","6","2","1") = "7"
    & skf18("2","8","7","5","6","3","1") = "7"
    & skf18("2","8","7","5","6","4","1") = "7"
    & skf18("2","8","7","5","6","5","1") = "7"
    & skf18("2","8","7","5","6","6","1") = "7"
    & skf18("2","8","7","5","6","7","1") = "7"
    & skf18("2","8","7","5","6","8","1") = "7"
    & skf18("2","8","7","5","6","9","1") = "8"
    & skf18("2","8","7","5","6","10","1") = "9"
    & skf18("2","8","7","5","7","1","1") = "7"
    & skf18("2","8","7","5","7","2","1") = "7"
    & skf18("2","8","7","5","7","3","1") = "7"
    & skf18("2","8","7","5","7","4","1") = "7"
    & skf18("2","8","7","5","7","5","1") = "7"
    & skf18("2","8","7","5","7","6","1") = "7"
    & skf18("2","8","7","5","7","7","1") = "7"
    & skf18("2","8","7","5","7","8","1") = "7"
    & skf18("2","8","7","5","7","9","1") = "8"
    & skf18("2","8","7","5","7","10","1") = "9"
    & skf18("2","8","7","5","8","1","1") = "7"
    & skf18("2","8","7","5","8","2","1") = "7"
    & skf18("2","8","7","5","8","3","1") = "7"
    & skf18("2","8","7","5","8","4","1") = "7"
    & skf18("2","8","7","5","8","5","1") = "7"
    & skf18("2","8","7","5","8","6","1") = "7"
    & skf18("2","8","7","5","8","7","1") = "7"
    & skf18("2","8","7","5","8","8","1") = "7"
    & skf18("2","8","7","5","8","9","1") = "8"
    & skf18("2","8","7","5","8","10","1") = "9"
    & skf18("2","8","7","5","9","1","1") = "8"
    & skf18("2","8","7","5","9","2","1") = "8"
    & skf18("2","8","7","5","9","3","1") = "8"
    & skf18("2","8","7","5","9","4","1") = "8"
    & skf18("2","8","7","5","9","5","1") = "8"
    & skf18("2","8","7","5","9","6","1") = "8"
    & skf18("2","8","7","5","9","7","1") = "8"
    & skf18("2","8","7","5","9","8","1") = "8"
    & skf18("2","8","7","5","9","9","1") = "8"
    & skf18("2","8","7","5","9","10","1") = "9"
    & skf18("2","8","7","5","10","1","1") = "9"
    & skf18("2","8","7","5","10","2","1") = "9"
    & skf18("2","8","7","5","10","3","1") = "9"
    & skf18("2","8","7","5","10","4","1") = "9"
    & skf18("2","8","7","5","10","5","1") = "9"
    & skf18("2","8","7","5","10","6","1") = "9"
    & skf18("2","8","7","5","10","7","1") = "9"
    & skf18("2","8","7","5","10","8","1") = "9"
    & skf18("2","8","7","5","10","9","1") = "9"
    & skf18("2","8","7","5","10","10","1") = "9"
    & skf18("2","8","7","6","1","1","1") = "7"
    & skf18("2","8","7","6","1","2","1") = "7"
    & skf18("2","8","7","6","1","3","1") = "7"
    & skf18("2","8","7","6","1","4","1") = "7"
    & skf18("2","8","7","6","1","5","1") = "7"
    & skf18("2","8","7","6","1","6","1") = "7"
    & skf18("2","8","7","6","1","7","1") = "7"
    & skf18("2","8","7","6","1","8","1") = "7"
    & skf18("2","8","7","6","1","9","1") = "8"
    & skf18("2","8","7","6","1","10","1") = "9"
    & skf18("2","8","7","6","2","1","1") = "7"
    & skf18("2","8","7","6","2","2","1") = "7"
    & skf18("2","8","7","6","2","3","1") = "7"
    & skf18("2","8","7","6","2","4","1") = "7"
    & skf18("2","8","7","6","2","5","1") = "7"
    & skf18("2","8","7","6","2","6","1") = "7"
    & skf18("2","8","7","6","2","7","1") = "7"
    & skf18("2","8","7","6","2","8","1") = "7"
    & skf18("2","8","7","6","2","9","1") = "8"
    & skf18("2","8","7","6","2","10","1") = "9"
    & skf18("2","8","7","6","3","1","1") = "7"
    & skf18("2","8","7","6","3","2","1") = "7"
    & skf18("2","8","7","6","3","3","1") = "7"
    & skf18("2","8","7","6","3","4","1") = "7"
    & skf18("2","8","7","6","3","5","1") = "7"
    & skf18("2","8","7","6","3","6","1") = "7"
    & skf18("2","8","7","6","3","7","1") = "7"
    & skf18("2","8","7","6","3","8","1") = "7"
    & skf18("2","8","7","6","3","9","1") = "8"
    & skf18("2","8","7","6","3","10","1") = "9"
    & skf18("2","8","7","6","4","1","1") = "7"
    & skf18("2","8","7","6","4","2","1") = "7"
    & skf18("2","8","7","6","4","3","1") = "7"
    & skf18("2","8","7","6","4","4","1") = "7"
    & skf18("2","8","7","6","4","5","1") = "7"
    & skf18("2","8","7","6","4","6","1") = "7"
    & skf18("2","8","7","6","4","7","1") = "7"
    & skf18("2","8","7","6","4","8","1") = "7"
    & skf18("2","8","7","6","4","9","1") = "8"
    & skf18("2","8","7","6","4","10","1") = "9"
    & skf18("2","8","7","6","5","1","1") = "7"
    & skf18("2","8","7","6","5","2","1") = "7"
    & skf18("2","8","7","6","5","3","1") = "7"
    & skf18("2","8","7","6","5","4","1") = "7"
    & skf18("2","8","7","6","5","5","1") = "7"
    & skf18("2","8","7","6","5","6","1") = "7"
    & skf18("2","8","7","6","5","7","1") = "7"
    & skf18("2","8","7","6","5","8","1") = "7"
    & skf18("2","8","7","6","5","9","1") = "8"
    & skf18("2","8","7","6","5","10","1") = "9"
    & skf18("2","8","7","6","6","1","1") = "7"
    & skf18("2","8","7","6","6","2","1") = "7"
    & skf18("2","8","7","6","6","3","1") = "7"
    & skf18("2","8","7","6","6","4","1") = "7"
    & skf18("2","8","7","6","6","5","1") = "7"
    & skf18("2","8","7","6","6","6","1") = "7"
    & skf18("2","8","7","6","6","7","1") = "7"
    & skf18("2","8","7","6","6","8","1") = "7"
    & skf18("2","8","7","6","6","9","1") = "8"
    & skf18("2","8","7","6","6","10","1") = "9"
    & skf18("2","8","7","6","7","1","1") = "7"
    & skf18("2","8","7","6","7","2","1") = "7"
    & skf18("2","8","7","6","7","3","1") = "7"
    & skf18("2","8","7","6","7","4","1") = "7"
    & skf18("2","8","7","6","7","5","1") = "7"
    & skf18("2","8","7","6","7","6","1") = "7"
    & skf18("2","8","7","6","7","7","1") = "7"
    & skf18("2","8","7","6","7","8","1") = "7"
    & skf18("2","8","7","6","7","9","1") = "8"
    & skf18("2","8","7","6","7","10","1") = "9"
    & skf18("2","8","7","6","8","1","1") = "7"
    & skf18("2","8","7","6","8","2","1") = "7"
    & skf18("2","8","7","6","8","3","1") = "7"
    & skf18("2","8","7","6","8","4","1") = "7"
    & skf18("2","8","7","6","8","5","1") = "7"
    & skf18("2","8","7","6","8","6","1") = "7"
    & skf18("2","8","7","6","8","7","1") = "7"
    & skf18("2","8","7","6","8","8","1") = "7"
    & skf18("2","8","7","6","8","9","1") = "8"
    & skf18("2","8","7","6","8","10","1") = "9"
    & skf18("2","8","7","6","9","1","1") = "8"
    & skf18("2","8","7","6","9","2","1") = "8"
    & skf18("2","8","7","6","9","3","1") = "8"
    & skf18("2","8","7","6","9","4","1") = "8"
    & skf18("2","8","7","6","9","5","1") = "8"
    & skf18("2","8","7","6","9","6","1") = "8"
    & skf18("2","8","7","6","9","7","1") = "8"
    & skf18("2","8","7","6","9","8","1") = "8"
    & skf18("2","8","7","6","9","9","1") = "8"
    & skf18("2","8","7","6","9","10","1") = "9"
    & skf18("2","8","7","6","10","1","1") = "9"
    & skf18("2","8","7","6","10","2","1") = "9"
    & skf18("2","8","7","6","10","3","1") = "9"
    & skf18("2","8","7","6","10","4","1") = "9"
    & skf18("2","8","7","6","10","5","1") = "9"
    & skf18("2","8","7","6","10","6","1") = "9"
    & skf18("2","8","7","6","10","7","1") = "9"
    & skf18("2","8","7","6","10","8","1") = "9"
    & skf18("2","8","7","6","10","9","1") = "9"
    & skf18("2","8","7","6","10","10","1") = "9"
    & skf18("2","8","7","7","1","1","1") = "7"
    & skf18("2","8","7","7","1","2","1") = "7"
    & skf18("2","8","7","7","1","3","1") = "7"
    & skf18("2","8","7","7","1","4","1") = "7"
    & skf18("2","8","7","7","1","5","1") = "7"
    & skf18("2","8","7","7","1","6","1") = "7"
    & skf18("2","8","7","7","1","7","1") = "7"
    & skf18("2","8","7","7","1","8","1") = "7"
    & skf18("2","8","7","7","1","9","1") = "8"
    & skf18("2","8","7","7","1","10","1") = "9"
    & skf18("2","8","7","7","2","1","1") = "7"
    & skf18("2","8","7","7","2","2","1") = "7"
    & skf18("2","8","7","7","2","3","1") = "7"
    & skf18("2","8","7","7","2","4","1") = "7"
    & skf18("2","8","7","7","2","5","1") = "7"
    & skf18("2","8","7","7","2","6","1") = "7"
    & skf18("2","8","7","7","2","7","1") = "7"
    & skf18("2","8","7","7","2","8","1") = "7"
    & skf18("2","8","7","7","2","9","1") = "8"
    & skf18("2","8","7","7","2","10","1") = "9"
    & skf18("2","8","7","7","3","1","1") = "7"
    & skf18("2","8","7","7","3","2","1") = "7"
    & skf18("2","8","7","7","3","3","1") = "7"
    & skf18("2","8","7","7","3","4","1") = "7"
    & skf18("2","8","7","7","3","5","1") = "7"
    & skf18("2","8","7","7","3","6","1") = "7"
    & skf18("2","8","7","7","3","7","1") = "7"
    & skf18("2","8","7","7","3","8","1") = "7"
    & skf18("2","8","7","7","3","9","1") = "8"
    & skf18("2","8","7","7","3","10","1") = "9"
    & skf18("2","8","7","7","4","1","1") = "7"
    & skf18("2","8","7","7","4","2","1") = "7"
    & skf18("2","8","7","7","4","3","1") = "7"
    & skf18("2","8","7","7","4","4","1") = "7"
    & skf18("2","8","7","7","4","5","1") = "7"
    & skf18("2","8","7","7","4","6","1") = "7"
    & skf18("2","8","7","7","4","7","1") = "7"
    & skf18("2","8","7","7","4","8","1") = "7"
    & skf18("2","8","7","7","4","9","1") = "8"
    & skf18("2","8","7","7","4","10","1") = "9"
    & skf18("2","8","7","7","5","1","1") = "7"
    & skf18("2","8","7","7","5","2","1") = "7"
    & skf18("2","8","7","7","5","3","1") = "7"
    & skf18("2","8","7","7","5","4","1") = "7"
    & skf18("2","8","7","7","5","5","1") = "7"
    & skf18("2","8","7","7","5","6","1") = "7"
    & skf18("2","8","7","7","5","7","1") = "7"
    & skf18("2","8","7","7","5","8","1") = "7"
    & skf18("2","8","7","7","5","9","1") = "8"
    & skf18("2","8","7","7","5","10","1") = "9"
    & skf18("2","8","7","7","6","1","1") = "7"
    & skf18("2","8","7","7","6","2","1") = "7"
    & skf18("2","8","7","7","6","3","1") = "7"
    & skf18("2","8","7","7","6","4","1") = "7"
    & skf18("2","8","7","7","6","5","1") = "7"
    & skf18("2","8","7","7","6","6","1") = "7"
    & skf18("2","8","7","7","6","7","1") = "7"
    & skf18("2","8","7","7","6","8","1") = "7"
    & skf18("2","8","7","7","6","9","1") = "8"
    & skf18("2","8","7","7","6","10","1") = "9"
    & skf18("2","8","7","7","7","1","1") = "7"
    & skf18("2","8","7","7","7","2","1") = "7"
    & skf18("2","8","7","7","7","3","1") = "7"
    & skf18("2","8","7","7","7","4","1") = "7"
    & skf18("2","8","7","7","7","5","1") = "7"
    & skf18("2","8","7","7","7","6","1") = "7"
    & skf18("2","8","7","7","7","7","1") = "7"
    & skf18("2","8","7","7","7","8","1") = "7"
    & skf18("2","8","7","7","7","9","1") = "8"
    & skf18("2","8","7","7","7","10","1") = "9"
    & skf18("2","8","7","7","8","1","1") = "7"
    & skf18("2","8","7","7","8","2","1") = "7"
    & skf18("2","8","7","7","8","3","1") = "7"
    & skf18("2","8","7","7","8","4","1") = "7"
    & skf18("2","8","7","7","8","5","1") = "7"
    & skf18("2","8","7","7","8","6","1") = "7"
    & skf18("2","8","7","7","8","7","1") = "7"
    & skf18("2","8","7","7","8","8","1") = "7"
    & skf18("2","8","7","7","8","9","1") = "8"
    & skf18("2","8","7","7","8","10","1") = "9"
    & skf18("2","8","7","7","9","1","1") = "8"
    & skf18("2","8","7","7","9","2","1") = "8"
    & skf18("2","8","7","7","9","3","1") = "8"
    & skf18("2","8","7","7","9","4","1") = "8"
    & skf18("2","8","7","7","9","5","1") = "8"
    & skf18("2","8","7","7","9","6","1") = "8"
    & skf18("2","8","7","7","9","7","1") = "8"
    & skf18("2","8","7","7","9","8","1") = "8"
    & skf18("2","8","7","7","9","9","1") = "8"
    & skf18("2","8","7","7","9","10","1") = "9"
    & skf18("2","8","7","7","10","1","1") = "9"
    & skf18("2","8","7","7","10","2","1") = "9"
    & skf18("2","8","7","7","10","3","1") = "9"
    & skf18("2","8","7","7","10","4","1") = "9"
    & skf18("2","8","7","7","10","5","1") = "9"
    & skf18("2","8","7","7","10","6","1") = "9"
    & skf18("2","8","7","7","10","7","1") = "9"
    & skf18("2","8","7","7","10","8","1") = "9"
    & skf18("2","8","7","7","10","9","1") = "9"
    & skf18("2","8","7","7","10","10","1") = "9"
    & skf18("2","8","7","8","1","1","1") = "7"
    & skf18("2","8","7","8","1","2","1") = "7"
    & skf18("2","8","7","8","1","3","1") = "7"
    & skf18("2","8","7","8","1","4","1") = "7"
    & skf18("2","8","7","8","1","5","1") = "7"
    & skf18("2","8","7","8","1","6","1") = "7"
    & skf18("2","8","7","8","1","7","1") = "7"
    & skf18("2","8","7","8","1","8","1") = "7"
    & skf18("2","8","7","8","1","9","1") = "8"
    & skf18("2","8","7","8","1","10","1") = "9"
    & skf18("2","8","7","8","2","1","1") = "7"
    & skf18("2","8","7","8","2","2","1") = "7"
    & skf18("2","8","7","8","2","3","1") = "7"
    & skf18("2","8","7","8","2","4","1") = "7"
    & skf18("2","8","7","8","2","5","1") = "7"
    & skf18("2","8","7","8","2","6","1") = "7"
    & skf18("2","8","7","8","2","7","1") = "7"
    & skf18("2","8","7","8","2","8","1") = "7"
    & skf18("2","8","7","8","2","9","1") = "8"
    & skf18("2","8","7","8","2","10","1") = "9"
    & skf18("2","8","7","8","3","1","1") = "7"
    & skf18("2","8","7","8","3","2","1") = "7"
    & skf18("2","8","7","8","3","3","1") = "7"
    & skf18("2","8","7","8","3","4","1") = "7"
    & skf18("2","8","7","8","3","5","1") = "7"
    & skf18("2","8","7","8","3","6","1") = "7"
    & skf18("2","8","7","8","3","7","1") = "7"
    & skf18("2","8","7","8","3","8","1") = "7"
    & skf18("2","8","7","8","3","9","1") = "8"
    & skf18("2","8","7","8","3","10","1") = "9"
    & skf18("2","8","7","8","4","1","1") = "7"
    & skf18("2","8","7","8","4","2","1") = "7"
    & skf18("2","8","7","8","4","3","1") = "7"
    & skf18("2","8","7","8","4","4","1") = "7"
    & skf18("2","8","7","8","4","5","1") = "7"
    & skf18("2","8","7","8","4","6","1") = "7"
    & skf18("2","8","7","8","4","7","1") = "7"
    & skf18("2","8","7","8","4","8","1") = "7"
    & skf18("2","8","7","8","4","9","1") = "8"
    & skf18("2","8","7","8","4","10","1") = "9"
    & skf18("2","8","7","8","5","1","1") = "7"
    & skf18("2","8","7","8","5","2","1") = "7"
    & skf18("2","8","7","8","5","3","1") = "7"
    & skf18("2","8","7","8","5","4","1") = "7"
    & skf18("2","8","7","8","5","5","1") = "7"
    & skf18("2","8","7","8","5","6","1") = "7"
    & skf18("2","8","7","8","5","7","1") = "7"
    & skf18("2","8","7","8","5","8","1") = "7"
    & skf18("2","8","7","8","5","9","1") = "8"
    & skf18("2","8","7","8","5","10","1") = "9"
    & skf18("2","8","7","8","6","1","1") = "7"
    & skf18("2","8","7","8","6","2","1") = "7"
    & skf18("2","8","7","8","6","3","1") = "7"
    & skf18("2","8","7","8","6","4","1") = "7"
    & skf18("2","8","7","8","6","5","1") = "7"
    & skf18("2","8","7","8","6","6","1") = "7"
    & skf18("2","8","7","8","6","7","1") = "7"
    & skf18("2","8","7","8","6","8","1") = "7"
    & skf18("2","8","7","8","6","9","1") = "8"
    & skf18("2","8","7","8","6","10","1") = "9"
    & skf18("2","8","7","8","7","1","1") = "7"
    & skf18("2","8","7","8","7","2","1") = "7"
    & skf18("2","8","7","8","7","3","1") = "7"
    & skf18("2","8","7","8","7","4","1") = "7"
    & skf18("2","8","7","8","7","5","1") = "7"
    & skf18("2","8","7","8","7","6","1") = "7"
    & skf18("2","8","7","8","7","7","1") = "7"
    & skf18("2","8","7","8","7","8","1") = "7"
    & skf18("2","8","7","8","7","9","1") = "8"
    & skf18("2","8","7","8","7","10","1") = "9"
    & skf18("2","8","7","8","8","1","1") = "7"
    & skf18("2","8","7","8","8","2","1") = "7"
    & skf18("2","8","7","8","8","3","1") = "7"
    & skf18("2","8","7","8","8","4","1") = "7"
    & skf18("2","8","7","8","8","5","1") = "7"
    & skf18("2","8","7","8","8","6","1") = "7"
    & skf18("2","8","7","8","8","7","1") = "7"
    & skf18("2","8","7","8","8","8","1") = "7"
    & skf18("2","8","7","8","8","9","1") = "8"
    & skf18("2","8","7","8","8","10","1") = "9"
    & skf18("2","8","7","8","9","1","1") = "8"
    & skf18("2","8","7","8","9","2","1") = "8"
    & skf18("2","8","7","8","9","3","1") = "8"
    & skf18("2","8","7","8","9","4","1") = "8"
    & skf18("2","8","7","8","9","5","1") = "8"
    & skf18("2","8","7","8","9","6","1") = "8"
    & skf18("2","8","7","8","9","7","1") = "8"
    & skf18("2","8","7","8","9","8","1") = "8"
    & skf18("2","8","7","8","9","9","1") = "8"
    & skf18("2","8","7","8","9","10","1") = "9"
    & skf18("2","8","7","8","10","1","1") = "9"
    & skf18("2","8","7","8","10","2","1") = "9"
    & skf18("2","8","7","8","10","3","1") = "9"
    & skf18("2","8","7","8","10","4","1") = "9"
    & skf18("2","8","7","8","10","5","1") = "9"
    & skf18("2","8","7","8","10","6","1") = "9"
    & skf18("2","8","7","8","10","7","1") = "9"
    & skf18("2","8","7","8","10","8","1") = "9"
    & skf18("2","8","7","8","10","9","1") = "9"
    & skf18("2","8","7","8","10","10","1") = "9"
    & skf18("2","8","7","9","1","1","1") = "8"
    & skf18("2","8","7","9","1","2","1") = "8"
    & skf18("2","8","7","9","1","3","1") = "8"
    & skf18("2","8","7","9","1","4","1") = "8"
    & skf18("2","8","7","9","1","5","1") = "8"
    & skf18("2","8","7","9","1","6","1") = "8"
    & skf18("2","8","7","9","1","7","1") = "8"
    & skf18("2","8","7","9","1","8","1") = "8"
    & skf18("2","8","7","9","1","9","1") = "8"
    & skf18("2","8","7","9","1","10","1") = "9"
    & skf18("2","8","7","9","2","1","1") = "8"
    & skf18("2","8","7","9","2","2","1") = "8"
    & skf18("2","8","7","9","2","3","1") = "8"
    & skf18("2","8","7","9","2","4","1") = "8"
    & skf18("2","8","7","9","2","5","1") = "8"
    & skf18("2","8","7","9","2","6","1") = "8"
    & skf18("2","8","7","9","2","7","1") = "8"
    & skf18("2","8","7","9","2","8","1") = "8"
    & skf18("2","8","7","9","2","9","1") = "8"
    & skf18("2","8","7","9","2","10","1") = "9"
    & skf18("2","8","7","9","3","1","1") = "8"
    & skf18("2","8","7","9","3","2","1") = "8"
    & skf18("2","8","7","9","3","3","1") = "8"
    & skf18("2","8","7","9","3","4","1") = "8"
    & skf18("2","8","7","9","3","5","1") = "8"
    & skf18("2","8","7","9","3","6","1") = "8"
    & skf18("2","8","7","9","3","7","1") = "8"
    & skf18("2","8","7","9","3","8","1") = "8"
    & skf18("2","8","7","9","3","9","1") = "8"
    & skf18("2","8","7","9","3","10","1") = "9"
    & skf18("2","8","7","9","4","1","1") = "8"
    & skf18("2","8","7","9","4","2","1") = "8"
    & skf18("2","8","7","9","4","3","1") = "8"
    & skf18("2","8","7","9","4","4","1") = "8"
    & skf18("2","8","7","9","4","5","1") = "8"
    & skf18("2","8","7","9","4","6","1") = "8"
    & skf18("2","8","7","9","4","7","1") = "8"
    & skf18("2","8","7","9","4","8","1") = "8"
    & skf18("2","8","7","9","4","9","1") = "8"
    & skf18("2","8","7","9","4","10","1") = "9"
    & skf18("2","8","7","9","5","1","1") = "8"
    & skf18("2","8","7","9","5","2","1") = "8"
    & skf18("2","8","7","9","5","3","1") = "8"
    & skf18("2","8","7","9","5","4","1") = "8"
    & skf18("2","8","7","9","5","5","1") = "8"
    & skf18("2","8","7","9","5","6","1") = "8"
    & skf18("2","8","7","9","5","7","1") = "8"
    & skf18("2","8","7","9","5","8","1") = "8"
    & skf18("2","8","7","9","5","9","1") = "8"
    & skf18("2","8","7","9","5","10","1") = "9"
    & skf18("2","8","7","9","6","1","1") = "8"
    & skf18("2","8","7","9","6","2","1") = "8"
    & skf18("2","8","7","9","6","3","1") = "8"
    & skf18("2","8","7","9","6","4","1") = "8"
    & skf18("2","8","7","9","6","5","1") = "8"
    & skf18("2","8","7","9","6","6","1") = "8"
    & skf18("2","8","7","9","6","7","1") = "8"
    & skf18("2","8","7","9","6","8","1") = "8"
    & skf18("2","8","7","9","6","9","1") = "8"
    & skf18("2","8","7","9","6","10","1") = "9"
    & skf18("2","8","7","9","7","1","1") = "8"
    & skf18("2","8","7","9","7","2","1") = "8"
    & skf18("2","8","7","9","7","3","1") = "8"
    & skf18("2","8","7","9","7","4","1") = "8"
    & skf18("2","8","7","9","7","5","1") = "8"
    & skf18("2","8","7","9","7","6","1") = "8"
    & skf18("2","8","7","9","7","7","1") = "8"
    & skf18("2","8","7","9","7","8","1") = "8"
    & skf18("2","8","7","9","7","9","1") = "8"
    & skf18("2","8","7","9","7","10","1") = "9"
    & skf18("2","8","7","9","8","1","1") = "8"
    & skf18("2","8","7","9","8","2","1") = "8"
    & skf18("2","8","7","9","8","3","1") = "8"
    & skf18("2","8","7","9","8","4","1") = "8"
    & skf18("2","8","7","9","8","5","1") = "8"
    & skf18("2","8","7","9","8","6","1") = "8"
    & skf18("2","8","7","9","8","7","1") = "8"
    & skf18("2","8","7","9","8","8","1") = "8"
    & skf18("2","8","7","9","8","9","1") = "8"
    & skf18("2","8","7","9","8","10","1") = "9"
    & skf18("2","8","7","9","9","1","1") = "8"
    & skf18("2","8","7","9","9","2","1") = "8"
    & skf18("2","8","7","9","9","3","1") = "8"
    & skf18("2","8","7","9","9","4","1") = "8"
    & skf18("2","8","7","9","9","5","1") = "8"
    & skf18("2","8","7","9","9","6","1") = "8"
    & skf18("2","8","7","9","9","7","1") = "8"
    & skf18("2","8","7","9","9","8","1") = "8"
    & skf18("2","8","7","9","9","9","1") = "8"
    & skf18("2","8","7","9","9","10","1") = "9"
    & skf18("2","8","7","9","10","1","1") = "9"
    & skf18("2","8","7","9","10","2","1") = "9"
    & skf18("2","8","7","9","10","3","1") = "9"
    & skf18("2","8","7","9","10","4","1") = "9"
    & skf18("2","8","7","9","10","5","1") = "9"
    & skf18("2","8","7","9","10","6","1") = "9"
    & skf18("2","8","7","9","10","7","1") = "9"
    & skf18("2","8","7","9","10","8","1") = "9"
    & skf18("2","8","7","9","10","9","1") = "9"
    & skf18("2","8","7","9","10","10","1") = "9"
    & skf18("2","8","7","10","1","1","1") = "9"
    & skf18("2","8","7","10","1","2","1") = "9"
    & skf18("2","8","7","10","1","3","1") = "9"
    & skf18("2","8","7","10","1","4","1") = "9"
    & skf18("2","8","7","10","1","5","1") = "9"
    & skf18("2","8","7","10","1","6","1") = "9"
    & skf18("2","8","7","10","1","7","1") = "9"
    & skf18("2","8","7","10","1","8","1") = "9"
    & skf18("2","8","7","10","1","9","1") = "9"
    & skf18("2","8","7","10","1","10","1") = "9"
    & skf18("2","8","7","10","2","1","1") = "9"
    & skf18("2","8","7","10","2","2","1") = "9"
    & skf18("2","8","7","10","2","3","1") = "9"
    & skf18("2","8","7","10","2","4","1") = "9"
    & skf18("2","8","7","10","2","5","1") = "9"
    & skf18("2","8","7","10","2","6","1") = "9"
    & skf18("2","8","7","10","2","7","1") = "9"
    & skf18("2","8","7","10","2","8","1") = "9"
    & skf18("2","8","7","10","2","9","1") = "9"
    & skf18("2","8","7","10","2","10","1") = "9"
    & skf18("2","8","7","10","3","1","1") = "9"
    & skf18("2","8","7","10","3","2","1") = "9"
    & skf18("2","8","7","10","3","3","1") = "9"
    & skf18("2","8","7","10","3","4","1") = "9"
    & skf18("2","8","7","10","3","5","1") = "9"
    & skf18("2","8","7","10","3","6","1") = "9"
    & skf18("2","8","7","10","3","7","1") = "9"
    & skf18("2","8","7","10","3","8","1") = "9"
    & skf18("2","8","7","10","3","9","1") = "9"
    & skf18("2","8","7","10","3","10","1") = "9"
    & skf18("2","8","7","10","4","1","1") = "9"
    & skf18("2","8","7","10","4","2","1") = "9"
    & skf18("2","8","7","10","4","3","1") = "9"
    & skf18("2","8","7","10","4","4","1") = "9"
    & skf18("2","8","7","10","4","5","1") = "9"
    & skf18("2","8","7","10","4","6","1") = "9"
    & skf18("2","8","7","10","4","7","1") = "9"
    & skf18("2","8","7","10","4","8","1") = "9"
    & skf18("2","8","7","10","4","9","1") = "9"
    & skf18("2","8","7","10","4","10","1") = "9"
    & skf18("2","8","7","10","5","1","1") = "9"
    & skf18("2","8","7","10","5","2","1") = "9"
    & skf18("2","8","7","10","5","3","1") = "9"
    & skf18("2","8","7","10","5","4","1") = "9"
    & skf18("2","8","7","10","5","5","1") = "9"
    & skf18("2","8","7","10","5","6","1") = "9"
    & skf18("2","8","7","10","5","7","1") = "9"
    & skf18("2","8","7","10","5","8","1") = "9"
    & skf18("2","8","7","10","5","9","1") = "9"
    & skf18("2","8","7","10","5","10","1") = "9"
    & skf18("2","8","7","10","6","1","1") = "9"
    & skf18("2","8","7","10","6","2","1") = "9"
    & skf18("2","8","7","10","6","3","1") = "9"
    & skf18("2","8","7","10","6","4","1") = "9"
    & skf18("2","8","7","10","6","5","1") = "9"
    & skf18("2","8","7","10","6","6","1") = "9"
    & skf18("2","8","7","10","6","7","1") = "9"
    & skf18("2","8","7","10","6","8","1") = "9"
    & skf18("2","8","7","10","6","9","1") = "9"
    & skf18("2","8","7","10","6","10","1") = "9"
    & skf18("2","8","7","10","7","1","1") = "9"
    & skf18("2","8","7","10","7","2","1") = "9"
    & skf18("2","8","7","10","7","3","1") = "9"
    & skf18("2","8","7","10","7","4","1") = "9"
    & skf18("2","8","7","10","7","5","1") = "9"
    & skf18("2","8","7","10","7","6","1") = "9"
    & skf18("2","8","7","10","7","7","1") = "9"
    & skf18("2","8","7","10","7","8","1") = "9"
    & skf18("2","8","7","10","7","9","1") = "9"
    & skf18("2","8","7","10","7","10","1") = "9"
    & skf18("2","8","7","10","8","1","1") = "9"
    & skf18("2","8","7","10","8","2","1") = "9"
    & skf18("2","8","7","10","8","3","1") = "9"
    & skf18("2","8","7","10","8","4","1") = "9"
    & skf18("2","8","7","10","8","5","1") = "9"
    & skf18("2","8","7","10","8","6","1") = "9"
    & skf18("2","8","7","10","8","7","1") = "9"
    & skf18("2","8","7","10","8","8","1") = "9"
    & skf18("2","8","7","10","8","9","1") = "9"
    & skf18("2","8","7","10","8","10","1") = "9"
    & skf18("2","8","7","10","9","1","1") = "9"
    & skf18("2","8","7","10","9","2","1") = "9"
    & skf18("2","8","7","10","9","3","1") = "9"
    & skf18("2","8","7","10","9","4","1") = "9"
    & skf18("2","8","7","10","9","5","1") = "9"
    & skf18("2","8","7","10","9","6","1") = "9"
    & skf18("2","8","7","10","9","7","1") = "9"
    & skf18("2","8","7","10","9","8","1") = "9"
    & skf18("2","8","7","10","9","9","1") = "9"
    & skf18("2","8","7","10","9","10","1") = "9"
    & skf18("2","8","7","10","10","1","1") = "9"
    & skf18("2","8","7","10","10","2","1") = "9"
    & skf18("2","8","7","10","10","3","1") = "9"
    & skf18("2","8","7","10","10","4","1") = "9"
    & skf18("2","8","7","10","10","5","1") = "9"
    & skf18("2","8","7","10","10","6","1") = "9"
    & skf18("2","8","7","10","10","7","1") = "9"
    & skf18("2","8","7","10","10","8","1") = "9"
    & skf18("2","8","7","10","10","9","1") = "9"
    & skf18("2","8","7","10","10","10","1") = "9"
    & skf18("2","8","8","1","1","1","1") = "7"
    & skf18("2","8","8","1","1","2","1") = "7"
    & skf18("2","8","8","1","1","3","1") = "7"
    & skf18("2","8","8","1","1","4","1") = "7"
    & skf18("2","8","8","1","1","5","1") = "7"
    & skf18("2","8","8","1","1","6","1") = "7"
    & skf18("2","8","8","1","1","7","1") = "7"
    & skf18("2","8","8","1","1","8","1") = "7"
    & skf18("2","8","8","1","1","9","1") = "8"
    & skf18("2","8","8","1","1","10","1") = "9"
    & skf18("2","8","8","1","2","1","1") = "7"
    & skf18("2","8","8","1","2","2","1") = "7"
    & skf18("2","8","8","1","2","3","1") = "7"
    & skf18("2","8","8","1","2","4","1") = "7"
    & skf18("2","8","8","1","2","5","1") = "7"
    & skf18("2","8","8","1","2","6","1") = "7"
    & skf18("2","8","8","1","2","7","1") = "7"
    & skf18("2","8","8","1","2","8","1") = "7"
    & skf18("2","8","8","1","2","9","1") = "8"
    & skf18("2","8","8","1","2","10","1") = "9"
    & skf18("2","8","8","1","3","1","1") = "7"
    & skf18("2","8","8","1","3","2","1") = "7"
    & skf18("2","8","8","1","3","3","1") = "7"
    & skf18("2","8","8","1","3","4","1") = "7"
    & skf18("2","8","8","1","3","5","1") = "7"
    & skf18("2","8","8","1","3","6","1") = "7"
    & skf18("2","8","8","1","3","7","1") = "7"
    & skf18("2","8","8","1","3","8","1") = "7"
    & skf18("2","8","8","1","3","9","1") = "8"
    & skf18("2","8","8","1","3","10","1") = "9"
    & skf18("2","8","8","1","4","1","1") = "7"
    & skf18("2","8","8","1","4","2","1") = "7"
    & skf18("2","8","8","1","4","3","1") = "7"
    & skf18("2","8","8","1","4","4","1") = "7"
    & skf18("2","8","8","1","4","5","1") = "7"
    & skf18("2","8","8","1","4","6","1") = "7"
    & skf18("2","8","8","1","4","7","1") = "7"
    & skf18("2","8","8","1","4","8","1") = "7"
    & skf18("2","8","8","1","4","9","1") = "8"
    & skf18("2","8","8","1","4","10","1") = "9"
    & skf18("2","8","8","1","5","1","1") = "7"
    & skf18("2","8","8","1","5","2","1") = "7"
    & skf18("2","8","8","1","5","3","1") = "7"
    & skf18("2","8","8","1","5","4","1") = "7"
    & skf18("2","8","8","1","5","5","1") = "7"
    & skf18("2","8","8","1","5","6","1") = "7"
    & skf18("2","8","8","1","5","7","1") = "7"
    & skf18("2","8","8","1","5","8","1") = "7"
    & skf18("2","8","8","1","5","9","1") = "8"
    & skf18("2","8","8","1","5","10","1") = "9"
    & skf18("2","8","8","1","6","1","1") = "7"
    & skf18("2","8","8","1","6","2","1") = "7"
    & skf18("2","8","8","1","6","3","1") = "7"
    & skf18("2","8","8","1","6","4","1") = "7"
    & skf18("2","8","8","1","6","5","1") = "7"
    & skf18("2","8","8","1","6","6","1") = "7"
    & skf18("2","8","8","1","6","7","1") = "7"
    & skf18("2","8","8","1","6","8","1") = "7"
    & skf18("2","8","8","1","6","9","1") = "8"
    & skf18("2","8","8","1","6","10","1") = "9"
    & skf18("2","8","8","1","7","1","1") = "7"
    & skf18("2","8","8","1","7","2","1") = "7"
    & skf18("2","8","8","1","7","3","1") = "7"
    & skf18("2","8","8","1","7","4","1") = "7"
    & skf18("2","8","8","1","7","5","1") = "7"
    & skf18("2","8","8","1","7","6","1") = "7"
    & skf18("2","8","8","1","7","7","1") = "7"
    & skf18("2","8","8","1","7","8","1") = "7"
    & skf18("2","8","8","1","7","9","1") = "8"
    & skf18("2","8","8","1","7","10","1") = "9"
    & skf18("2","8","8","1","8","1","1") = "7"
    & skf18("2","8","8","1","8","2","1") = "7"
    & skf18("2","8","8","1","8","3","1") = "7"
    & skf18("2","8","8","1","8","4","1") = "7"
    & skf18("2","8","8","1","8","5","1") = "7"
    & skf18("2","8","8","1","8","6","1") = "7"
    & skf18("2","8","8","1","8","7","1") = "7"
    & skf18("2","8","8","1","8","8","1") = "7"
    & skf18("2","8","8","1","8","9","1") = "8"
    & skf18("2","8","8","1","8","10","1") = "9"
    & skf18("2","8","8","1","9","1","1") = "8"
    & skf18("2","8","8","1","9","2","1") = "8"
    & skf18("2","8","8","1","9","3","1") = "8"
    & skf18("2","8","8","1","9","4","1") = "8"
    & skf18("2","8","8","1","9","5","1") = "8"
    & skf18("2","8","8","1","9","6","1") = "8"
    & skf18("2","8","8","1","9","7","1") = "8"
    & skf18("2","8","8","1","9","8","1") = "8"
    & skf18("2","8","8","1","9","9","1") = "8"
    & skf18("2","8","8","1","9","10","1") = "9"
    & skf18("2","8","8","1","10","1","1") = "9"
    & skf18("2","8","8","1","10","2","1") = "9"
    & skf18("2","8","8","1","10","3","1") = "9"
    & skf18("2","8","8","1","10","4","1") = "9"
    & skf18("2","8","8","1","10","5","1") = "9"
    & skf18("2","8","8","1","10","6","1") = "9"
    & skf18("2","8","8","1","10","7","1") = "9"
    & skf18("2","8","8","1","10","8","1") = "9"
    & skf18("2","8","8","1","10","9","1") = "9"
    & skf18("2","8","8","1","10","10","1") = "9"
    & skf18("2","8","8","2","1","1","1") = "7"
    & skf18("2","8","8","2","1","2","1") = "7"
    & skf18("2","8","8","2","1","3","1") = "7"
    & skf18("2","8","8","2","1","4","1") = "7"
    & skf18("2","8","8","2","1","5","1") = "7"
    & skf18("2","8","8","2","1","6","1") = "7"
    & skf18("2","8","8","2","1","7","1") = "7"
    & skf18("2","8","8","2","1","8","1") = "7"
    & skf18("2","8","8","2","1","9","1") = "8"
    & skf18("2","8","8","2","1","10","1") = "9"
    & skf18("2","8","8","2","2","1","1") = "7"
    & skf18("2","8","8","2","2","2","1") = "7"
    & skf18("2","8","8","2","2","3","1") = "7"
    & skf18("2","8","8","2","2","4","1") = "7"
    & skf18("2","8","8","2","2","5","1") = "7"
    & skf18("2","8","8","2","2","6","1") = "7"
    & skf18("2","8","8","2","2","7","1") = "7"
    & skf18("2","8","8","2","2","8","1") = "7"
    & skf18("2","8","8","2","2","9","1") = "8"
    & skf18("2","8","8","2","2","10","1") = "9"
    & skf18("2","8","8","2","3","1","1") = "7"
    & skf18("2","8","8","2","3","2","1") = "7"
    & skf18("2","8","8","2","3","3","1") = "7"
    & skf18("2","8","8","2","3","4","1") = "7"
    & skf18("2","8","8","2","3","5","1") = "7"
    & skf18("2","8","8","2","3","6","1") = "7"
    & skf18("2","8","8","2","3","7","1") = "7"
    & skf18("2","8","8","2","3","8","1") = "7"
    & skf18("2","8","8","2","3","9","1") = "8"
    & skf18("2","8","8","2","3","10","1") = "9"
    & skf18("2","8","8","2","4","1","1") = "7"
    & skf18("2","8","8","2","4","2","1") = "7"
    & skf18("2","8","8","2","4","3","1") = "7"
    & skf18("2","8","8","2","4","4","1") = "7"
    & skf18("2","8","8","2","4","5","1") = "7"
    & skf18("2","8","8","2","4","6","1") = "7"
    & skf18("2","8","8","2","4","7","1") = "7"
    & skf18("2","8","8","2","4","8","1") = "7"
    & skf18("2","8","8","2","4","9","1") = "8"
    & skf18("2","8","8","2","4","10","1") = "9"
    & skf18("2","8","8","2","5","1","1") = "7"
    & skf18("2","8","8","2","5","2","1") = "7"
    & skf18("2","8","8","2","5","3","1") = "7"
    & skf18("2","8","8","2","5","4","1") = "7"
    & skf18("2","8","8","2","5","5","1") = "7"
    & skf18("2","8","8","2","5","6","1") = "7"
    & skf18("2","8","8","2","5","7","1") = "7"
    & skf18("2","8","8","2","5","8","1") = "7"
    & skf18("2","8","8","2","5","9","1") = "8"
    & skf18("2","8","8","2","5","10","1") = "9"
    & skf18("2","8","8","2","6","1","1") = "7"
    & skf18("2","8","8","2","6","2","1") = "7"
    & skf18("2","8","8","2","6","3","1") = "7"
    & skf18("2","8","8","2","6","4","1") = "7"
    & skf18("2","8","8","2","6","5","1") = "7"
    & skf18("2","8","8","2","6","6","1") = "7"
    & skf18("2","8","8","2","6","7","1") = "7"
    & skf18("2","8","8","2","6","8","1") = "7"
    & skf18("2","8","8","2","6","9","1") = "8"
    & skf18("2","8","8","2","6","10","1") = "9"
    & skf18("2","8","8","2","7","1","1") = "7"
    & skf18("2","8","8","2","7","2","1") = "7"
    & skf18("2","8","8","2","7","3","1") = "7"
    & skf18("2","8","8","2","7","4","1") = "7"
    & skf18("2","8","8","2","7","5","1") = "7"
    & skf18("2","8","8","2","7","6","1") = "7"
    & skf18("2","8","8","2","7","7","1") = "7"
    & skf18("2","8","8","2","7","8","1") = "7"
    & skf18("2","8","8","2","7","9","1") = "8"
    & skf18("2","8","8","2","7","10","1") = "9"
    & skf18("2","8","8","2","8","1","1") = "7"
    & skf18("2","8","8","2","8","2","1") = "7"
    & skf18("2","8","8","2","8","3","1") = "7"
    & skf18("2","8","8","2","8","4","1") = "7"
    & skf18("2","8","8","2","8","5","1") = "7"
    & skf18("2","8","8","2","8","6","1") = "7"
    & skf18("2","8","8","2","8","7","1") = "7"
    & skf18("2","8","8","2","8","8","1") = "7"
    & skf18("2","8","8","2","8","9","1") = "8"
    & skf18("2","8","8","2","8","10","1") = "9"
    & skf18("2","8","8","2","9","1","1") = "8"
    & skf18("2","8","8","2","9","2","1") = "8"
    & skf18("2","8","8","2","9","3","1") = "8"
    & skf18("2","8","8","2","9","4","1") = "8"
    & skf18("2","8","8","2","9","5","1") = "8"
    & skf18("2","8","8","2","9","6","1") = "8"
    & skf18("2","8","8","2","9","7","1") = "8"
    & skf18("2","8","8","2","9","8","1") = "8"
    & skf18("2","8","8","2","9","9","1") = "8"
    & skf18("2","8","8","2","9","10","1") = "9"
    & skf18("2","8","8","2","10","1","1") = "9"
    & skf18("2","8","8","2","10","2","1") = "9"
    & skf18("2","8","8","2","10","3","1") = "9"
    & skf18("2","8","8","2","10","4","1") = "9"
    & skf18("2","8","8","2","10","5","1") = "9"
    & skf18("2","8","8","2","10","6","1") = "9"
    & skf18("2","8","8","2","10","7","1") = "9"
    & skf18("2","8","8","2","10","8","1") = "9"
    & skf18("2","8","8","2","10","9","1") = "9"
    & skf18("2","8","8","2","10","10","1") = "9"
    & skf18("2","8","8","3","1","1","1") = "7"
    & skf18("2","8","8","3","1","2","1") = "7"
    & skf18("2","8","8","3","1","3","1") = "7"
    & skf18("2","8","8","3","1","4","1") = "7"
    & skf18("2","8","8","3","1","5","1") = "7"
    & skf18("2","8","8","3","1","6","1") = "7"
    & skf18("2","8","8","3","1","7","1") = "7"
    & skf18("2","8","8","3","1","8","1") = "7"
    & skf18("2","8","8","3","1","9","1") = "8"
    & skf18("2","8","8","3","1","10","1") = "9"
    & skf18("2","8","8","3","2","1","1") = "7"
    & skf18("2","8","8","3","2","2","1") = "7"
    & skf18("2","8","8","3","2","3","1") = "7"
    & skf18("2","8","8","3","2","4","1") = "7"
    & skf18("2","8","8","3","2","5","1") = "7"
    & skf18("2","8","8","3","2","6","1") = "7"
    & skf18("2","8","8","3","2","7","1") = "7"
    & skf18("2","8","8","3","2","8","1") = "7"
    & skf18("2","8","8","3","2","9","1") = "8"
    & skf18("2","8","8","3","2","10","1") = "9"
    & skf18("2","8","8","3","3","1","1") = "7"
    & skf18("2","8","8","3","3","2","1") = "7"
    & skf18("2","8","8","3","3","3","1") = "7"
    & skf18("2","8","8","3","3","4","1") = "7"
    & skf18("2","8","8","3","3","5","1") = "7"
    & skf18("2","8","8","3","3","6","1") = "7"
    & skf18("2","8","8","3","3","7","1") = "7"
    & skf18("2","8","8","3","3","8","1") = "7"
    & skf18("2","8","8","3","3","9","1") = "8"
    & skf18("2","8","8","3","3","10","1") = "9"
    & skf18("2","8","8","3","4","1","1") = "7"
    & skf18("2","8","8","3","4","2","1") = "7"
    & skf18("2","8","8","3","4","3","1") = "7"
    & skf18("2","8","8","3","4","4","1") = "7"
    & skf18("2","8","8","3","4","5","1") = "7"
    & skf18("2","8","8","3","4","6","1") = "7"
    & skf18("2","8","8","3","4","7","1") = "7"
    & skf18("2","8","8","3","4","8","1") = "7"
    & skf18("2","8","8","3","4","9","1") = "8"
    & skf18("2","8","8","3","4","10","1") = "9"
    & skf18("2","8","8","3","5","1","1") = "7"
    & skf18("2","8","8","3","5","2","1") = "7"
    & skf18("2","8","8","3","5","3","1") = "7"
    & skf18("2","8","8","3","5","4","1") = "7"
    & skf18("2","8","8","3","5","5","1") = "7"
    & skf18("2","8","8","3","5","6","1") = "7"
    & skf18("2","8","8","3","5","7","1") = "7"
    & skf18("2","8","8","3","5","8","1") = "7"
    & skf18("2","8","8","3","5","9","1") = "8"
    & skf18("2","8","8","3","5","10","1") = "9"
    & skf18("2","8","8","3","6","1","1") = "7"
    & skf18("2","8","8","3","6","2","1") = "7"
    & skf18("2","8","8","3","6","3","1") = "7"
    & skf18("2","8","8","3","6","4","1") = "7"
    & skf18("2","8","8","3","6","5","1") = "7"
    & skf18("2","8","8","3","6","6","1") = "7"
    & skf18("2","8","8","3","6","7","1") = "7"
    & skf18("2","8","8","3","6","8","1") = "7"
    & skf18("2","8","8","3","6","9","1") = "8"
    & skf18("2","8","8","3","6","10","1") = "9"
    & skf18("2","8","8","3","7","1","1") = "7"
    & skf18("2","8","8","3","7","2","1") = "7"
    & skf18("2","8","8","3","7","3","1") = "7"
    & skf18("2","8","8","3","7","4","1") = "7"
    & skf18("2","8","8","3","7","5","1") = "7"
    & skf18("2","8","8","3","7","6","1") = "7"
    & skf18("2","8","8","3","7","7","1") = "7"
    & skf18("2","8","8","3","7","8","1") = "7"
    & skf18("2","8","8","3","7","9","1") = "8"
    & skf18("2","8","8","3","7","10","1") = "9"
    & skf18("2","8","8","3","8","1","1") = "7"
    & skf18("2","8","8","3","8","2","1") = "7"
    & skf18("2","8","8","3","8","3","1") = "7"
    & skf18("2","8","8","3","8","4","1") = "7"
    & skf18("2","8","8","3","8","5","1") = "7"
    & skf18("2","8","8","3","8","6","1") = "7"
    & skf18("2","8","8","3","8","7","1") = "7"
    & skf18("2","8","8","3","8","8","1") = "7"
    & skf18("2","8","8","3","8","9","1") = "8"
    & skf18("2","8","8","3","8","10","1") = "9"
    & skf18("2","8","8","3","9","1","1") = "8"
    & skf18("2","8","8","3","9","2","1") = "8"
    & skf18("2","8","8","3","9","3","1") = "8"
    & skf18("2","8","8","3","9","4","1") = "8"
    & skf18("2","8","8","3","9","5","1") = "8"
    & skf18("2","8","8","3","9","6","1") = "8"
    & skf18("2","8","8","3","9","7","1") = "8"
    & skf18("2","8","8","3","9","8","1") = "8"
    & skf18("2","8","8","3","9","9","1") = "8"
    & skf18("2","8","8","3","9","10","1") = "9"
    & skf18("2","8","8","3","10","1","1") = "9"
    & skf18("2","8","8","3","10","2","1") = "9"
    & skf18("2","8","8","3","10","3","1") = "9"
    & skf18("2","8","8","3","10","4","1") = "9"
    & skf18("2","8","8","3","10","5","1") = "9"
    & skf18("2","8","8","3","10","6","1") = "9"
    & skf18("2","8","8","3","10","7","1") = "9"
    & skf18("2","8","8","3","10","8","1") = "9"
    & skf18("2","8","8","3","10","9","1") = "9"
    & skf18("2","8","8","3","10","10","1") = "9"
    & skf18("2","8","8","4","1","1","1") = "7"
    & skf18("2","8","8","4","1","2","1") = "7"
    & skf18("2","8","8","4","1","3","1") = "7"
    & skf18("2","8","8","4","1","4","1") = "7"
    & skf18("2","8","8","4","1","5","1") = "7"
    & skf18("2","8","8","4","1","6","1") = "7"
    & skf18("2","8","8","4","1","7","1") = "7"
    & skf18("2","8","8","4","1","8","1") = "7"
    & skf18("2","8","8","4","1","9","1") = "8"
    & skf18("2","8","8","4","1","10","1") = "9"
    & skf18("2","8","8","4","2","1","1") = "7"
    & skf18("2","8","8","4","2","2","1") = "7"
    & skf18("2","8","8","4","2","3","1") = "7"
    & skf18("2","8","8","4","2","4","1") = "7"
    & skf18("2","8","8","4","2","5","1") = "7"
    & skf18("2","8","8","4","2","6","1") = "7"
    & skf18("2","8","8","4","2","7","1") = "7"
    & skf18("2","8","8","4","2","8","1") = "7"
    & skf18("2","8","8","4","2","9","1") = "8"
    & skf18("2","8","8","4","2","10","1") = "9"
    & skf18("2","8","8","4","3","1","1") = "7"
    & skf18("2","8","8","4","3","2","1") = "7"
    & skf18("2","8","8","4","3","3","1") = "7"
    & skf18("2","8","8","4","3","4","1") = "7"
    & skf18("2","8","8","4","3","5","1") = "7"
    & skf18("2","8","8","4","3","6","1") = "7"
    & skf18("2","8","8","4","3","7","1") = "7"
    & skf18("2","8","8","4","3","8","1") = "7"
    & skf18("2","8","8","4","3","9","1") = "8"
    & skf18("2","8","8","4","3","10","1") = "9"
    & skf18("2","8","8","4","4","1","1") = "7"
    & skf18("2","8","8","4","4","2","1") = "7"
    & skf18("2","8","8","4","4","3","1") = "7"
    & skf18("2","8","8","4","4","4","1") = "7"
    & skf18("2","8","8","4","4","5","1") = "7"
    & skf18("2","8","8","4","4","6","1") = "7"
    & skf18("2","8","8","4","4","7","1") = "7"
    & skf18("2","8","8","4","4","8","1") = "7"
    & skf18("2","8","8","4","4","9","1") = "8"
    & skf18("2","8","8","4","4","10","1") = "9"
    & skf18("2","8","8","4","5","1","1") = "7"
    & skf18("2","8","8","4","5","2","1") = "7"
    & skf18("2","8","8","4","5","3","1") = "7"
    & skf18("2","8","8","4","5","4","1") = "7"
    & skf18("2","8","8","4","5","5","1") = "7"
    & skf18("2","8","8","4","5","6","1") = "7"
    & skf18("2","8","8","4","5","7","1") = "7"
    & skf18("2","8","8","4","5","8","1") = "7"
    & skf18("2","8","8","4","5","9","1") = "8"
    & skf18("2","8","8","4","5","10","1") = "9"
    & skf18("2","8","8","4","6","1","1") = "7"
    & skf18("2","8","8","4","6","2","1") = "7"
    & skf18("2","8","8","4","6","3","1") = "7"
    & skf18("2","8","8","4","6","4","1") = "7"
    & skf18("2","8","8","4","6","5","1") = "7"
    & skf18("2","8","8","4","6","6","1") = "7"
    & skf18("2","8","8","4","6","7","1") = "7"
    & skf18("2","8","8","4","6","8","1") = "7"
    & skf18("2","8","8","4","6","9","1") = "8"
    & skf18("2","8","8","4","6","10","1") = "9"
    & skf18("2","8","8","4","7","1","1") = "7"
    & skf18("2","8","8","4","7","2","1") = "7"
    & skf18("2","8","8","4","7","3","1") = "7"
    & skf18("2","8","8","4","7","4","1") = "7"
    & skf18("2","8","8","4","7","5","1") = "7"
    & skf18("2","8","8","4","7","6","1") = "7"
    & skf18("2","8","8","4","7","7","1") = "7"
    & skf18("2","8","8","4","7","8","1") = "7"
    & skf18("2","8","8","4","7","9","1") = "8"
    & skf18("2","8","8","4","7","10","1") = "9"
    & skf18("2","8","8","4","8","1","1") = "7"
    & skf18("2","8","8","4","8","2","1") = "7"
    & skf18("2","8","8","4","8","3","1") = "7"
    & skf18("2","8","8","4","8","4","1") = "7"
    & skf18("2","8","8","4","8","5","1") = "7"
    & skf18("2","8","8","4","8","6","1") = "7"
    & skf18("2","8","8","4","8","7","1") = "7"
    & skf18("2","8","8","4","8","8","1") = "7"
    & skf18("2","8","8","4","8","9","1") = "8"
    & skf18("2","8","8","4","8","10","1") = "9"
    & skf18("2","8","8","4","9","1","1") = "8"
    & skf18("2","8","8","4","9","2","1") = "8"
    & skf18("2","8","8","4","9","3","1") = "8"
    & skf18("2","8","8","4","9","4","1") = "8"
    & skf18("2","8","8","4","9","5","1") = "8"
    & skf18("2","8","8","4","9","6","1") = "8"
    & skf18("2","8","8","4","9","7","1") = "8"
    & skf18("2","8","8","4","9","8","1") = "8"
    & skf18("2","8","8","4","9","9","1") = "8"
    & skf18("2","8","8","4","9","10","1") = "9"
    & skf18("2","8","8","4","10","1","1") = "9"
    & skf18("2","8","8","4","10","2","1") = "9"
    & skf18("2","8","8","4","10","3","1") = "9"
    & skf18("2","8","8","4","10","4","1") = "9"
    & skf18("2","8","8","4","10","5","1") = "9"
    & skf18("2","8","8","4","10","6","1") = "9"
    & skf18("2","8","8","4","10","7","1") = "9"
    & skf18("2","8","8","4","10","8","1") = "9"
    & skf18("2","8","8","4","10","9","1") = "9"
    & skf18("2","8","8","4","10","10","1") = "9"
    & skf18("2","8","8","5","1","1","1") = "7"
    & skf18("2","8","8","5","1","2","1") = "7"
    & skf18("2","8","8","5","1","3","1") = "7"
    & skf18("2","8","8","5","1","4","1") = "7"
    & skf18("2","8","8","5","1","5","1") = "7"
    & skf18("2","8","8","5","1","6","1") = "7"
    & skf18("2","8","8","5","1","7","1") = "7"
    & skf18("2","8","8","5","1","8","1") = "7"
    & skf18("2","8","8","5","1","9","1") = "8"
    & skf18("2","8","8","5","1","10","1") = "9"
    & skf18("2","8","8","5","2","1","1") = "7"
    & skf18("2","8","8","5","2","2","1") = "7"
    & skf18("2","8","8","5","2","3","1") = "7"
    & skf18("2","8","8","5","2","4","1") = "7"
    & skf18("2","8","8","5","2","5","1") = "7"
    & skf18("2","8","8","5","2","6","1") = "7"
    & skf18("2","8","8","5","2","7","1") = "7"
    & skf18("2","8","8","5","2","8","1") = "7"
    & skf18("2","8","8","5","2","9","1") = "8"
    & skf18("2","8","8","5","2","10","1") = "9"
    & skf18("2","8","8","5","3","1","1") = "7"
    & skf18("2","8","8","5","3","2","1") = "7"
    & skf18("2","8","8","5","3","3","1") = "7"
    & skf18("2","8","8","5","3","4","1") = "7"
    & skf18("2","8","8","5","3","5","1") = "7"
    & skf18("2","8","8","5","3","6","1") = "7"
    & skf18("2","8","8","5","3","7","1") = "7"
    & skf18("2","8","8","5","3","8","1") = "7"
    & skf18("2","8","8","5","3","9","1") = "8"
    & skf18("2","8","8","5","3","10","1") = "9"
    & skf18("2","8","8","5","4","1","1") = "7"
    & skf18("2","8","8","5","4","2","1") = "7"
    & skf18("2","8","8","5","4","3","1") = "7"
    & skf18("2","8","8","5","4","4","1") = "7"
    & skf18("2","8","8","5","4","5","1") = "7"
    & skf18("2","8","8","5","4","6","1") = "7"
    & skf18("2","8","8","5","4","7","1") = "7"
    & skf18("2","8","8","5","4","8","1") = "7"
    & skf18("2","8","8","5","4","9","1") = "8"
    & skf18("2","8","8","5","4","10","1") = "9"
    & skf18("2","8","8","5","5","1","1") = "7"
    & skf18("2","8","8","5","5","2","1") = "7"
    & skf18("2","8","8","5","5","3","1") = "7"
    & skf18("2","8","8","5","5","4","1") = "7"
    & skf18("2","8","8","5","5","5","1") = "7"
    & skf18("2","8","8","5","5","6","1") = "7"
    & skf18("2","8","8","5","5","7","1") = "7"
    & skf18("2","8","8","5","5","8","1") = "7"
    & skf18("2","8","8","5","5","9","1") = "8"
    & skf18("2","8","8","5","5","10","1") = "9"
    & skf18("2","8","8","5","6","1","1") = "7"
    & skf18("2","8","8","5","6","2","1") = "7"
    & skf18("2","8","8","5","6","3","1") = "7"
    & skf18("2","8","8","5","6","4","1") = "7"
    & skf18("2","8","8","5","6","5","1") = "7"
    & skf18("2","8","8","5","6","6","1") = "7"
    & skf18("2","8","8","5","6","7","1") = "7"
    & skf18("2","8","8","5","6","8","1") = "7"
    & skf18("2","8","8","5","6","9","1") = "8"
    & skf18("2","8","8","5","6","10","1") = "9"
    & skf18("2","8","8","5","7","1","1") = "7"
    & skf18("2","8","8","5","7","2","1") = "7"
    & skf18("2","8","8","5","7","3","1") = "7"
    & skf18("2","8","8","5","7","4","1") = "7"
    & skf18("2","8","8","5","7","5","1") = "7"
    & skf18("2","8","8","5","7","6","1") = "7"
    & skf18("2","8","8","5","7","7","1") = "7"
    & skf18("2","8","8","5","7","8","1") = "7"
    & skf18("2","8","8","5","7","9","1") = "8"
    & skf18("2","8","8","5","7","10","1") = "9"
    & skf18("2","8","8","5","8","1","1") = "7"
    & skf18("2","8","8","5","8","2","1") = "7"
    & skf18("2","8","8","5","8","3","1") = "7"
    & skf18("2","8","8","5","8","4","1") = "7"
    & skf18("2","8","8","5","8","5","1") = "7"
    & skf18("2","8","8","5","8","6","1") = "7"
    & skf18("2","8","8","5","8","7","1") = "7"
    & skf18("2","8","8","5","8","8","1") = "7"
    & skf18("2","8","8","5","8","9","1") = "8"
    & skf18("2","8","8","5","8","10","1") = "9"
    & skf18("2","8","8","5","9","1","1") = "8"
    & skf18("2","8","8","5","9","2","1") = "8"
    & skf18("2","8","8","5","9","3","1") = "8"
    & skf18("2","8","8","5","9","4","1") = "8"
    & skf18("2","8","8","5","9","5","1") = "8"
    & skf18("2","8","8","5","9","6","1") = "8"
    & skf18("2","8","8","5","9","7","1") = "8"
    & skf18("2","8","8","5","9","8","1") = "8"
    & skf18("2","8","8","5","9","9","1") = "8"
    & skf18("2","8","8","5","9","10","1") = "9"
    & skf18("2","8","8","5","10","1","1") = "9"
    & skf18("2","8","8","5","10","2","1") = "9"
    & skf18("2","8","8","5","10","3","1") = "9"
    & skf18("2","8","8","5","10","4","1") = "9"
    & skf18("2","8","8","5","10","5","1") = "9"
    & skf18("2","8","8","5","10","6","1") = "9"
    & skf18("2","8","8","5","10","7","1") = "9"
    & skf18("2","8","8","5","10","8","1") = "9"
    & skf18("2","8","8","5","10","9","1") = "9"
    & skf18("2","8","8","5","10","10","1") = "9"
    & skf18("2","8","8","6","1","1","1") = "7"
    & skf18("2","8","8","6","1","2","1") = "7"
    & skf18("2","8","8","6","1","3","1") = "7"
    & skf18("2","8","8","6","1","4","1") = "7"
    & skf18("2","8","8","6","1","5","1") = "7"
    & skf18("2","8","8","6","1","6","1") = "7"
    & skf18("2","8","8","6","1","7","1") = "7"
    & skf18("2","8","8","6","1","8","1") = "7"
    & skf18("2","8","8","6","1","9","1") = "8"
    & skf18("2","8","8","6","1","10","1") = "9"
    & skf18("2","8","8","6","2","1","1") = "7"
    & skf18("2","8","8","6","2","2","1") = "7"
    & skf18("2","8","8","6","2","3","1") = "7"
    & skf18("2","8","8","6","2","4","1") = "7"
    & skf18("2","8","8","6","2","5","1") = "7"
    & skf18("2","8","8","6","2","6","1") = "7"
    & skf18("2","8","8","6","2","7","1") = "7"
    & skf18("2","8","8","6","2","8","1") = "7"
    & skf18("2","8","8","6","2","9","1") = "8"
    & skf18("2","8","8","6","2","10","1") = "9"
    & skf18("2","8","8","6","3","1","1") = "7"
    & skf18("2","8","8","6","3","2","1") = "7"
    & skf18("2","8","8","6","3","3","1") = "7"
    & skf18("2","8","8","6","3","4","1") = "7"
    & skf18("2","8","8","6","3","5","1") = "7"
    & skf18("2","8","8","6","3","6","1") = "7"
    & skf18("2","8","8","6","3","7","1") = "7"
    & skf18("2","8","8","6","3","8","1") = "7"
    & skf18("2","8","8","6","3","9","1") = "8"
    & skf18("2","8","8","6","3","10","1") = "9"
    & skf18("2","8","8","6","4","1","1") = "7"
    & skf18("2","8","8","6","4","2","1") = "7"
    & skf18("2","8","8","6","4","3","1") = "7"
    & skf18("2","8","8","6","4","4","1") = "7"
    & skf18("2","8","8","6","4","5","1") = "7"
    & skf18("2","8","8","6","4","6","1") = "7"
    & skf18("2","8","8","6","4","7","1") = "7"
    & skf18("2","8","8","6","4","8","1") = "7"
    & skf18("2","8","8","6","4","9","1") = "8"
    & skf18("2","8","8","6","4","10","1") = "9"
    & skf18("2","8","8","6","5","1","1") = "7"
    & skf18("2","8","8","6","5","2","1") = "7"
    & skf18("2","8","8","6","5","3","1") = "7"
    & skf18("2","8","8","6","5","4","1") = "7"
    & skf18("2","8","8","6","5","5","1") = "7"
    & skf18("2","8","8","6","5","6","1") = "7"
    & skf18("2","8","8","6","5","7","1") = "7"
    & skf18("2","8","8","6","5","8","1") = "7"
    & skf18("2","8","8","6","5","9","1") = "8"
    & skf18("2","8","8","6","5","10","1") = "9"
    & skf18("2","8","8","6","6","1","1") = "7"
    & skf18("2","8","8","6","6","2","1") = "7"
    & skf18("2","8","8","6","6","3","1") = "7"
    & skf18("2","8","8","6","6","4","1") = "7"
    & skf18("2","8","8","6","6","5","1") = "7"
    & skf18("2","8","8","6","6","6","1") = "7"
    & skf18("2","8","8","6","6","7","1") = "7"
    & skf18("2","8","8","6","6","8","1") = "7"
    & skf18("2","8","8","6","6","9","1") = "8"
    & skf18("2","8","8","6","6","10","1") = "9"
    & skf18("2","8","8","6","7","1","1") = "7"
    & skf18("2","8","8","6","7","2","1") = "7"
    & skf18("2","8","8","6","7","3","1") = "7"
    & skf18("2","8","8","6","7","4","1") = "7"
    & skf18("2","8","8","6","7","5","1") = "7"
    & skf18("2","8","8","6","7","6","1") = "7"
    & skf18("2","8","8","6","7","7","1") = "7"
    & skf18("2","8","8","6","7","8","1") = "7"
    & skf18("2","8","8","6","7","9","1") = "8"
    & skf18("2","8","8","6","7","10","1") = "9"
    & skf18("2","8","8","6","8","1","1") = "7"
    & skf18("2","8","8","6","8","2","1") = "7"
    & skf18("2","8","8","6","8","3","1") = "7"
    & skf18("2","8","8","6","8","4","1") = "7"
    & skf18("2","8","8","6","8","5","1") = "7"
    & skf18("2","8","8","6","8","6","1") = "7"
    & skf18("2","8","8","6","8","7","1") = "7"
    & skf18("2","8","8","6","8","8","1") = "7"
    & skf18("2","8","8","6","8","9","1") = "8"
    & skf18("2","8","8","6","8","10","1") = "9"
    & skf18("2","8","8","6","9","1","1") = "8"
    & skf18("2","8","8","6","9","2","1") = "8"
    & skf18("2","8","8","6","9","3","1") = "8"
    & skf18("2","8","8","6","9","4","1") = "8"
    & skf18("2","8","8","6","9","5","1") = "8"
    & skf18("2","8","8","6","9","6","1") = "8"
    & skf18("2","8","8","6","9","7","1") = "8"
    & skf18("2","8","8","6","9","8","1") = "8"
    & skf18("2","8","8","6","9","9","1") = "8"
    & skf18("2","8","8","6","9","10","1") = "9"
    & skf18("2","8","8","6","10","1","1") = "9"
    & skf18("2","8","8","6","10","2","1") = "9"
    & skf18("2","8","8","6","10","3","1") = "9"
    & skf18("2","8","8","6","10","4","1") = "9"
    & skf18("2","8","8","6","10","5","1") = "9"
    & skf18("2","8","8","6","10","6","1") = "9"
    & skf18("2","8","8","6","10","7","1") = "9"
    & skf18("2","8","8","6","10","8","1") = "9"
    & skf18("2","8","8","6","10","9","1") = "9"
    & skf18("2","8","8","6","10","10","1") = "9"
    & skf18("2","8","8","7","1","1","1") = "7"
    & skf18("2","8","8","7","1","2","1") = "7"
    & skf18("2","8","8","7","1","3","1") = "7"
    & skf18("2","8","8","7","1","4","1") = "7"
    & skf18("2","8","8","7","1","5","1") = "7"
    & skf18("2","8","8","7","1","6","1") = "7"
    & skf18("2","8","8","7","1","7","1") = "7"
    & skf18("2","8","8","7","1","8","1") = "7"
    & skf18("2","8","8","7","1","9","1") = "8"
    & skf18("2","8","8","7","1","10","1") = "9"
    & skf18("2","8","8","7","2","1","1") = "7"
    & skf18("2","8","8","7","2","2","1") = "7"
    & skf18("2","8","8","7","2","3","1") = "7"
    & skf18("2","8","8","7","2","4","1") = "7"
    & skf18("2","8","8","7","2","5","1") = "7"
    & skf18("2","8","8","7","2","6","1") = "7"
    & skf18("2","8","8","7","2","7","1") = "7"
    & skf18("2","8","8","7","2","8","1") = "7"
    & skf18("2","8","8","7","2","9","1") = "8"
    & skf18("2","8","8","7","2","10","1") = "9"
    & skf18("2","8","8","7","3","1","1") = "7"
    & skf18("2","8","8","7","3","2","1") = "7"
    & skf18("2","8","8","7","3","3","1") = "7"
    & skf18("2","8","8","7","3","4","1") = "7"
    & skf18("2","8","8","7","3","5","1") = "7"
    & skf18("2","8","8","7","3","6","1") = "7"
    & skf18("2","8","8","7","3","7","1") = "7"
    & skf18("2","8","8","7","3","8","1") = "7"
    & skf18("2","8","8","7","3","9","1") = "8"
    & skf18("2","8","8","7","3","10","1") = "9"
    & skf18("2","8","8","7","4","1","1") = "7"
    & skf18("2","8","8","7","4","2","1") = "7"
    & skf18("2","8","8","7","4","3","1") = "7"
    & skf18("2","8","8","7","4","4","1") = "7"
    & skf18("2","8","8","7","4","5","1") = "7"
    & skf18("2","8","8","7","4","6","1") = "7"
    & skf18("2","8","8","7","4","7","1") = "7"
    & skf18("2","8","8","7","4","8","1") = "7"
    & skf18("2","8","8","7","4","9","1") = "8"
    & skf18("2","8","8","7","4","10","1") = "9"
    & skf18("2","8","8","7","5","1","1") = "7"
    & skf18("2","8","8","7","5","2","1") = "7"
    & skf18("2","8","8","7","5","3","1") = "7"
    & skf18("2","8","8","7","5","4","1") = "7"
    & skf18("2","8","8","7","5","5","1") = "7"
    & skf18("2","8","8","7","5","6","1") = "7"
    & skf18("2","8","8","7","5","7","1") = "7"
    & skf18("2","8","8","7","5","8","1") = "7"
    & skf18("2","8","8","7","5","9","1") = "8"
    & skf18("2","8","8","7","5","10","1") = "9"
    & skf18("2","8","8","7","6","1","1") = "7"
    & skf18("2","8","8","7","6","2","1") = "7"
    & skf18("2","8","8","7","6","3","1") = "7"
    & skf18("2","8","8","7","6","4","1") = "7"
    & skf18("2","8","8","7","6","5","1") = "7"
    & skf18("2","8","8","7","6","6","1") = "7"
    & skf18("2","8","8","7","6","7","1") = "7"
    & skf18("2","8","8","7","6","8","1") = "7"
    & skf18("2","8","8","7","6","9","1") = "8"
    & skf18("2","8","8","7","6","10","1") = "9"
    & skf18("2","8","8","7","7","1","1") = "7"
    & skf18("2","8","8","7","7","2","1") = "7"
    & skf18("2","8","8","7","7","3","1") = "7"
    & skf18("2","8","8","7","7","4","1") = "7"
    & skf18("2","8","8","7","7","5","1") = "7"
    & skf18("2","8","8","7","7","6","1") = "7"
    & skf18("2","8","8","7","7","7","1") = "7"
    & skf18("2","8","8","7","7","8","1") = "7"
    & skf18("2","8","8","7","7","9","1") = "8"
    & skf18("2","8","8","7","7","10","1") = "9"
    & skf18("2","8","8","7","8","1","1") = "7"
    & skf18("2","8","8","7","8","2","1") = "7"
    & skf18("2","8","8","7","8","3","1") = "7"
    & skf18("2","8","8","7","8","4","1") = "7"
    & skf18("2","8","8","7","8","5","1") = "7"
    & skf18("2","8","8","7","8","6","1") = "7"
    & skf18("2","8","8","7","8","7","1") = "7"
    & skf18("2","8","8","7","8","8","1") = "7"
    & skf18("2","8","8","7","8","9","1") = "8"
    & skf18("2","8","8","7","8","10","1") = "9"
    & skf18("2","8","8","7","9","1","1") = "8"
    & skf18("2","8","8","7","9","2","1") = "8"
    & skf18("2","8","8","7","9","3","1") = "8"
    & skf18("2","8","8","7","9","4","1") = "8"
    & skf18("2","8","8","7","9","5","1") = "8"
    & skf18("2","8","8","7","9","6","1") = "8"
    & skf18("2","8","8","7","9","7","1") = "8"
    & skf18("2","8","8","7","9","8","1") = "8"
    & skf18("2","8","8","7","9","9","1") = "8"
    & skf18("2","8","8","7","9","10","1") = "9"
    & skf18("2","8","8","7","10","1","1") = "9"
    & skf18("2","8","8","7","10","2","1") = "9"
    & skf18("2","8","8","7","10","3","1") = "9"
    & skf18("2","8","8","7","10","4","1") = "9"
    & skf18("2","8","8","7","10","5","1") = "9"
    & skf18("2","8","8","7","10","6","1") = "9"
    & skf18("2","8","8","7","10","7","1") = "9"
    & skf18("2","8","8","7","10","8","1") = "9"
    & skf18("2","8","8","7","10","9","1") = "9"
    & skf18("2","8","8","7","10","10","1") = "9"
    & skf18("2","8","8","8","1","1","1") = "7"
    & skf18("2","8","8","8","1","2","1") = "7"
    & skf18("2","8","8","8","1","3","1") = "7"
    & skf18("2","8","8","8","1","4","1") = "7"
    & skf18("2","8","8","8","1","5","1") = "7"
    & skf18("2","8","8","8","1","6","1") = "7"
    & skf18("2","8","8","8","1","7","1") = "7"
    & skf18("2","8","8","8","1","8","1") = "7"
    & skf18("2","8","8","8","1","9","1") = "8"
    & skf18("2","8","8","8","1","10","1") = "9"
    & skf18("2","8","8","8","2","1","1") = "7"
    & skf18("2","8","8","8","2","2","1") = "7"
    & skf18("2","8","8","8","2","3","1") = "7"
    & skf18("2","8","8","8","2","4","1") = "7"
    & skf18("2","8","8","8","2","5","1") = "7"
    & skf18("2","8","8","8","2","6","1") = "7"
    & skf18("2","8","8","8","2","7","1") = "7"
    & skf18("2","8","8","8","2","8","1") = "7"
    & skf18("2","8","8","8","2","9","1") = "8"
    & skf18("2","8","8","8","2","10","1") = "9"
    & skf18("2","8","8","8","3","1","1") = "7"
    & skf18("2","8","8","8","3","2","1") = "7"
    & skf18("2","8","8","8","3","3","1") = "7"
    & skf18("2","8","8","8","3","4","1") = "7"
    & skf18("2","8","8","8","3","5","1") = "7"
    & skf18("2","8","8","8","3","6","1") = "7"
    & skf18("2","8","8","8","3","7","1") = "7"
    & skf18("2","8","8","8","3","8","1") = "7"
    & skf18("2","8","8","8","3","9","1") = "8"
    & skf18("2","8","8","8","3","10","1") = "9"
    & skf18("2","8","8","8","4","1","1") = "7"
    & skf18("2","8","8","8","4","2","1") = "7"
    & skf18("2","8","8","8","4","3","1") = "7"
    & skf18("2","8","8","8","4","4","1") = "7"
    & skf18("2","8","8","8","4","5","1") = "7"
    & skf18("2","8","8","8","4","6","1") = "7"
    & skf18("2","8","8","8","4","7","1") = "7"
    & skf18("2","8","8","8","4","8","1") = "7"
    & skf18("2","8","8","8","4","9","1") = "8"
    & skf18("2","8","8","8","4","10","1") = "9"
    & skf18("2","8","8","8","5","1","1") = "7"
    & skf18("2","8","8","8","5","2","1") = "7"
    & skf18("2","8","8","8","5","3","1") = "7"
    & skf18("2","8","8","8","5","4","1") = "7"
    & skf18("2","8","8","8","5","5","1") = "7"
    & skf18("2","8","8","8","5","6","1") = "7"
    & skf18("2","8","8","8","5","7","1") = "7"
    & skf18("2","8","8","8","5","8","1") = "7"
    & skf18("2","8","8","8","5","9","1") = "8"
    & skf18("2","8","8","8","5","10","1") = "9"
    & skf18("2","8","8","8","6","1","1") = "7"
    & skf18("2","8","8","8","6","2","1") = "7"
    & skf18("2","8","8","8","6","3","1") = "7"
    & skf18("2","8","8","8","6","4","1") = "7"
    & skf18("2","8","8","8","6","5","1") = "7"
    & skf18("2","8","8","8","6","6","1") = "7"
    & skf18("2","8","8","8","6","7","1") = "7"
    & skf18("2","8","8","8","6","8","1") = "7"
    & skf18("2","8","8","8","6","9","1") = "8"
    & skf18("2","8","8","8","6","10","1") = "9"
    & skf18("2","8","8","8","7","1","1") = "7"
    & skf18("2","8","8","8","7","2","1") = "7"
    & skf18("2","8","8","8","7","3","1") = "7"
    & skf18("2","8","8","8","7","4","1") = "7"
    & skf18("2","8","8","8","7","5","1") = "7"
    & skf18("2","8","8","8","7","6","1") = "7"
    & skf18("2","8","8","8","7","7","1") = "7"
    & skf18("2","8","8","8","7","8","1") = "7"
    & skf18("2","8","8","8","7","9","1") = "8"
    & skf18("2","8","8","8","7","10","1") = "9"
    & skf18("2","8","8","8","8","1","1") = "7"
    & skf18("2","8","8","8","8","2","1") = "7"
    & skf18("2","8","8","8","8","3","1") = "7"
    & skf18("2","8","8","8","8","4","1") = "7"
    & skf18("2","8","8","8","8","5","1") = "7"
    & skf18("2","8","8","8","8","6","1") = "7"
    & skf18("2","8","8","8","8","7","1") = "7"
    & skf18("2","8","8","8","8","8","1") = "7"
    & skf18("2","8","8","8","8","9","1") = "8"
    & skf18("2","8","8","8","8","10","1") = "9"
    & skf18("2","8","8","8","9","1","1") = "8"
    & skf18("2","8","8","8","9","2","1") = "8"
    & skf18("2","8","8","8","9","3","1") = "8"
    & skf18("2","8","8","8","9","4","1") = "8"
    & skf18("2","8","8","8","9","5","1") = "8"
    & skf18("2","8","8","8","9","6","1") = "8"
    & skf18("2","8","8","8","9","7","1") = "8"
    & skf18("2","8","8","8","9","8","1") = "8"
    & skf18("2","8","8","8","9","9","1") = "8"
    & skf18("2","8","8","8","9","10","1") = "9"
    & skf18("2","8","8","8","10","1","1") = "9"
    & skf18("2","8","8","8","10","2","1") = "9"
    & skf18("2","8","8","8","10","3","1") = "9"
    & skf18("2","8","8","8","10","4","1") = "9"
    & skf18("2","8","8","8","10","5","1") = "9"
    & skf18("2","8","8","8","10","6","1") = "9"
    & skf18("2","8","8","8","10","7","1") = "9"
    & skf18("2","8","8","8","10","8","1") = "9"
    & skf18("2","8","8","8","10","9","1") = "9"
    & skf18("2","8","8","8","10","10","1") = "9"
    & skf18("2","8","8","9","1","1","1") = "8"
    & skf18("2","8","8","9","1","2","1") = "8"
    & skf18("2","8","8","9","1","3","1") = "8"
    & skf18("2","8","8","9","1","4","1") = "8"
    & skf18("2","8","8","9","1","5","1") = "8"
    & skf18("2","8","8","9","1","6","1") = "8"
    & skf18("2","8","8","9","1","7","1") = "8"
    & skf18("2","8","8","9","1","8","1") = "8"
    & skf18("2","8","8","9","1","9","1") = "8"
    & skf18("2","8","8","9","1","10","1") = "9"
    & skf18("2","8","8","9","2","1","1") = "8"
    & skf18("2","8","8","9","2","2","1") = "8"
    & skf18("2","8","8","9","2","3","1") = "8"
    & skf18("2","8","8","9","2","4","1") = "8"
    & skf18("2","8","8","9","2","5","1") = "8"
    & skf18("2","8","8","9","2","6","1") = "8"
    & skf18("2","8","8","9","2","7","1") = "8"
    & skf18("2","8","8","9","2","8","1") = "8"
    & skf18("2","8","8","9","2","9","1") = "8"
    & skf18("2","8","8","9","2","10","1") = "9"
    & skf18("2","8","8","9","3","1","1") = "8"
    & skf18("2","8","8","9","3","2","1") = "8"
    & skf18("2","8","8","9","3","3","1") = "8"
    & skf18("2","8","8","9","3","4","1") = "8"
    & skf18("2","8","8","9","3","5","1") = "8"
    & skf18("2","8","8","9","3","6","1") = "8"
    & skf18("2","8","8","9","3","7","1") = "8"
    & skf18("2","8","8","9","3","8","1") = "8"
    & skf18("2","8","8","9","3","9","1") = "8"
    & skf18("2","8","8","9","3","10","1") = "9"
    & skf18("2","8","8","9","4","1","1") = "8"
    & skf18("2","8","8","9","4","2","1") = "8"
    & skf18("2","8","8","9","4","3","1") = "8"
    & skf18("2","8","8","9","4","4","1") = "8"
    & skf18("2","8","8","9","4","5","1") = "8"
    & skf18("2","8","8","9","4","6","1") = "8"
    & skf18("2","8","8","9","4","7","1") = "8"
    & skf18("2","8","8","9","4","8","1") = "8"
    & skf18("2","8","8","9","4","9","1") = "8"
    & skf18("2","8","8","9","4","10","1") = "9"
    & skf18("2","8","8","9","5","1","1") = "8"
    & skf18("2","8","8","9","5","2","1") = "8"
    & skf18("2","8","8","9","5","3","1") = "8"
    & skf18("2","8","8","9","5","4","1") = "8"
    & skf18("2","8","8","9","5","5","1") = "8"
    & skf18("2","8","8","9","5","6","1") = "8"
    & skf18("2","8","8","9","5","7","1") = "8"
    & skf18("2","8","8","9","5","8","1") = "8"
    & skf18("2","8","8","9","5","9","1") = "8"
    & skf18("2","8","8","9","5","10","1") = "9"
    & skf18("2","8","8","9","6","1","1") = "8"
    & skf18("2","8","8","9","6","2","1") = "8"
    & skf18("2","8","8","9","6","3","1") = "8"
    & skf18("2","8","8","9","6","4","1") = "8"
    & skf18("2","8","8","9","6","5","1") = "8"
    & skf18("2","8","8","9","6","6","1") = "8"
    & skf18("2","8","8","9","6","7","1") = "8"
    & skf18("2","8","8","9","6","8","1") = "8"
    & skf18("2","8","8","9","6","9","1") = "8"
    & skf18("2","8","8","9","6","10","1") = "9"
    & skf18("2","8","8","9","7","1","1") = "8"
    & skf18("2","8","8","9","7","2","1") = "8"
    & skf18("2","8","8","9","7","3","1") = "8"
    & skf18("2","8","8","9","7","4","1") = "8"
    & skf18("2","8","8","9","7","5","1") = "8"
    & skf18("2","8","8","9","7","6","1") = "8"
    & skf18("2","8","8","9","7","7","1") = "8"
    & skf18("2","8","8","9","7","8","1") = "8"
    & skf18("2","8","8","9","7","9","1") = "8"
    & skf18("2","8","8","9","7","10","1") = "9"
    & skf18("2","8","8","9","8","1","1") = "8"
    & skf18("2","8","8","9","8","2","1") = "8"
    & skf18("2","8","8","9","8","3","1") = "8"
    & skf18("2","8","8","9","8","4","1") = "8"
    & skf18("2","8","8","9","8","5","1") = "8"
    & skf18("2","8","8","9","8","6","1") = "8"
    & skf18("2","8","8","9","8","7","1") = "8"
    & skf18("2","8","8","9","8","8","1") = "8"
    & skf18("2","8","8","9","8","9","1") = "8"
    & skf18("2","8","8","9","8","10","1") = "9"
    & skf18("2","8","8","9","9","1","1") = "8"
    & skf18("2","8","8","9","9","2","1") = "8"
    & skf18("2","8","8","9","9","3","1") = "8"
    & skf18("2","8","8","9","9","4","1") = "8"
    & skf18("2","8","8","9","9","5","1") = "8"
    & skf18("2","8","8","9","9","6","1") = "8"
    & skf18("2","8","8","9","9","7","1") = "8"
    & skf18("2","8","8","9","9","8","1") = "8"
    & skf18("2","8","8","9","9","9","1") = "8"
    & skf18("2","8","8","9","9","10","1") = "9"
    & skf18("2","8","8","9","10","1","1") = "9"
    & skf18("2","8","8","9","10","2","1") = "9"
    & skf18("2","8","8","9","10","3","1") = "9"
    & skf18("2","8","8","9","10","4","1") = "9"
    & skf18("2","8","8","9","10","5","1") = "9"
    & skf18("2","8","8","9","10","6","1") = "9"
    & skf18("2","8","8","9","10","7","1") = "9"
    & skf18("2","8","8","9","10","8","1") = "9"
    & skf18("2","8","8","9","10","9","1") = "9"
    & skf18("2","8","8","9","10","10","1") = "9"
    & skf18("2","8","8","10","1","1","1") = "9"
    & skf18("2","8","8","10","1","2","1") = "9"
    & skf18("2","8","8","10","1","3","1") = "9"
    & skf18("2","8","8","10","1","4","1") = "9"
    & skf18("2","8","8","10","1","5","1") = "9"
    & skf18("2","8","8","10","1","6","1") = "9"
    & skf18("2","8","8","10","1","7","1") = "9"
    & skf18("2","8","8","10","1","8","1") = "9"
    & skf18("2","8","8","10","1","9","1") = "9"
    & skf18("2","8","8","10","1","10","1") = "9"
    & skf18("2","8","8","10","2","1","1") = "9"
    & skf18("2","8","8","10","2","2","1") = "9"
    & skf18("2","8","8","10","2","3","1") = "9"
    & skf18("2","8","8","10","2","4","1") = "9"
    & skf18("2","8","8","10","2","5","1") = "9"
    & skf18("2","8","8","10","2","6","1") = "9"
    & skf18("2","8","8","10","2","7","1") = "9"
    & skf18("2","8","8","10","2","8","1") = "9"
    & skf18("2","8","8","10","2","9","1") = "9"
    & skf18("2","8","8","10","2","10","1") = "9"
    & skf18("2","8","8","10","3","1","1") = "9"
    & skf18("2","8","8","10","3","2","1") = "9"
    & skf18("2","8","8","10","3","3","1") = "9"
    & skf18("2","8","8","10","3","4","1") = "9"
    & skf18("2","8","8","10","3","5","1") = "9"
    & skf18("2","8","8","10","3","6","1") = "9"
    & skf18("2","8","8","10","3","7","1") = "9"
    & skf18("2","8","8","10","3","8","1") = "9"
    & skf18("2","8","8","10","3","9","1") = "9"
    & skf18("2","8","8","10","3","10","1") = "9"
    & skf18("2","8","8","10","4","1","1") = "9"
    & skf18("2","8","8","10","4","2","1") = "9"
    & skf18("2","8","8","10","4","3","1") = "9"
    & skf18("2","8","8","10","4","4","1") = "9"
    & skf18("2","8","8","10","4","5","1") = "9"
    & skf18("2","8","8","10","4","6","1") = "9"
    & skf18("2","8","8","10","4","7","1") = "9"
    & skf18("2","8","8","10","4","8","1") = "9"
    & skf18("2","8","8","10","4","9","1") = "9"
    & skf18("2","8","8","10","4","10","1") = "9"
    & skf18("2","8","8","10","5","1","1") = "9"
    & skf18("2","8","8","10","5","2","1") = "9"
    & skf18("2","8","8","10","5","3","1") = "9"
    & skf18("2","8","8","10","5","4","1") = "9"
    & skf18("2","8","8","10","5","5","1") = "9"
    & skf18("2","8","8","10","5","6","1") = "9"
    & skf18("2","8","8","10","5","7","1") = "9"
    & skf18("2","8","8","10","5","8","1") = "9"
    & skf18("2","8","8","10","5","9","1") = "9"
    & skf18("2","8","8","10","5","10","1") = "9"
    & skf18("2","8","8","10","6","1","1") = "9"
    & skf18("2","8","8","10","6","2","1") = "9"
    & skf18("2","8","8","10","6","3","1") = "9"
    & skf18("2","8","8","10","6","4","1") = "9"
    & skf18("2","8","8","10","6","5","1") = "9"
    & skf18("2","8","8","10","6","6","1") = "9"
    & skf18("2","8","8","10","6","7","1") = "9"
    & skf18("2","8","8","10","6","8","1") = "9"
    & skf18("2","8","8","10","6","9","1") = "9"
    & skf18("2","8","8","10","6","10","1") = "9"
    & skf18("2","8","8","10","7","1","1") = "9"
    & skf18("2","8","8","10","7","2","1") = "9"
    & skf18("2","8","8","10","7","3","1") = "9"
    & skf18("2","8","8","10","7","4","1") = "9"
    & skf18("2","8","8","10","7","5","1") = "9"
    & skf18("2","8","8","10","7","6","1") = "9"
    & skf18("2","8","8","10","7","7","1") = "9"
    & skf18("2","8","8","10","7","8","1") = "9"
    & skf18("2","8","8","10","7","9","1") = "9"
    & skf18("2","8","8","10","7","10","1") = "9"
    & skf18("2","8","8","10","8","1","1") = "9"
    & skf18("2","8","8","10","8","2","1") = "9"
    & skf18("2","8","8","10","8","3","1") = "9"
    & skf18("2","8","8","10","8","4","1") = "9"
    & skf18("2","8","8","10","8","5","1") = "9"
    & skf18("2","8","8","10","8","6","1") = "9"
    & skf18("2","8","8","10","8","7","1") = "9"
    & skf18("2","8","8","10","8","8","1") = "9"
    & skf18("2","8","8","10","8","9","1") = "9"
    & skf18("2","8","8","10","8","10","1") = "9"
    & skf18("2","8","8","10","9","1","1") = "9"
    & skf18("2","8","8","10","9","2","1") = "9"
    & skf18("2","8","8","10","9","3","1") = "9"
    & skf18("2","8","8","10","9","4","1") = "9"
    & skf18("2","8","8","10","9","5","1") = "9"
    & skf18("2","8","8","10","9","6","1") = "9"
    & skf18("2","8","8","10","9","7","1") = "9"
    & skf18("2","8","8","10","9","8","1") = "9"
    & skf18("2","8","8","10","9","9","1") = "9"
    & skf18("2","8","8","10","9","10","1") = "9"
    & skf18("2","8","8","10","10","1","1") = "9"
    & skf18("2","8","8","10","10","2","1") = "9"
    & skf18("2","8","8","10","10","3","1") = "9"
    & skf18("2","8","8","10","10","4","1") = "9"
    & skf18("2","8","8","10","10","5","1") = "9"
    & skf18("2","8","8","10","10","6","1") = "9"
    & skf18("2","8","8","10","10","7","1") = "9"
    & skf18("2","8","8","10","10","8","1") = "9"
    & skf18("2","8","8","10","10","9","1") = "9"
    & skf18("2","8","8","10","10","10","1") = "9"
    & skf18("2","8","9","1","1","1","1") = "8"
    & skf18("2","8","9","1","1","2","1") = "8"
    & skf18("2","8","9","1","1","3","1") = "8"
    & skf18("2","8","9","1","1","4","1") = "8"
    & skf18("2","8","9","1","1","5","1") = "8"
    & skf18("2","8","9","1","1","6","1") = "8"
    & skf18("2","8","9","1","1","7","1") = "8"
    & skf18("2","8","9","1","1","8","1") = "8"
    & skf18("2","8","9","1","1","9","1") = "8"
    & skf18("2","8","9","1","1","10","1") = "9"
    & skf18("2","8","9","1","2","1","1") = "8"
    & skf18("2","8","9","1","2","2","1") = "8"
    & skf18("2","8","9","1","2","3","1") = "8"
    & skf18("2","8","9","1","2","4","1") = "8"
    & skf18("2","8","9","1","2","5","1") = "8"
    & skf18("2","8","9","1","2","6","1") = "8"
    & skf18("2","8","9","1","2","7","1") = "8"
    & skf18("2","8","9","1","2","8","1") = "8"
    & skf18("2","8","9","1","2","9","1") = "8"
    & skf18("2","8","9","1","2","10","1") = "9"
    & skf18("2","8","9","1","3","1","1") = "8"
    & skf18("2","8","9","1","3","2","1") = "8"
    & skf18("2","8","9","1","3","3","1") = "8"
    & skf18("2","8","9","1","3","4","1") = "8"
    & skf18("2","8","9","1","3","5","1") = "8"
    & skf18("2","8","9","1","3","6","1") = "8"
    & skf18("2","8","9","1","3","7","1") = "8"
    & skf18("2","8","9","1","3","8","1") = "8"
    & skf18("2","8","9","1","3","9","1") = "8"
    & skf18("2","8","9","1","3","10","1") = "9"
    & skf18("2","8","9","1","4","1","1") = "8"
    & skf18("2","8","9","1","4","2","1") = "8"
    & skf18("2","8","9","1","4","3","1") = "8"
    & skf18("2","8","9","1","4","4","1") = "8"
    & skf18("2","8","9","1","4","5","1") = "8"
    & skf18("2","8","9","1","4","6","1") = "8"
    & skf18("2","8","9","1","4","7","1") = "8"
    & skf18("2","8","9","1","4","8","1") = "8"
    & skf18("2","8","9","1","4","9","1") = "8"
    & skf18("2","8","9","1","4","10","1") = "9"
    & skf18("2","8","9","1","5","1","1") = "8"
    & skf18("2","8","9","1","5","2","1") = "8"
    & skf18("2","8","9","1","5","3","1") = "8"
    & skf18("2","8","9","1","5","4","1") = "8"
    & skf18("2","8","9","1","5","5","1") = "8"
    & skf18("2","8","9","1","5","6","1") = "8"
    & skf18("2","8","9","1","5","7","1") = "8"
    & skf18("2","8","9","1","5","8","1") = "8"
    & skf18("2","8","9","1","5","9","1") = "8"
    & skf18("2","8","9","1","5","10","1") = "9"
    & skf18("2","8","9","1","6","1","1") = "8"
    & skf18("2","8","9","1","6","2","1") = "8"
    & skf18("2","8","9","1","6","3","1") = "8"
    & skf18("2","8","9","1","6","4","1") = "8"
    & skf18("2","8","9","1","6","5","1") = "8"
    & skf18("2","8","9","1","6","6","1") = "8"
    & skf18("2","8","9","1","6","7","1") = "8"
    & skf18("2","8","9","1","6","8","1") = "8"
    & skf18("2","8","9","1","6","9","1") = "8"
    & skf18("2","8","9","1","6","10","1") = "9"
    & skf18("2","8","9","1","7","1","1") = "8"
    & skf18("2","8","9","1","7","2","1") = "8"
    & skf18("2","8","9","1","7","3","1") = "8"
    & skf18("2","8","9","1","7","4","1") = "8"
    & skf18("2","8","9","1","7","5","1") = "8"
    & skf18("2","8","9","1","7","6","1") = "8"
    & skf18("2","8","9","1","7","7","1") = "8"
    & skf18("2","8","9","1","7","8","1") = "8"
    & skf18("2","8","9","1","7","9","1") = "8"
    & skf18("2","8","9","1","7","10","1") = "9"
    & skf18("2","8","9","1","8","1","1") = "8"
    & skf18("2","8","9","1","8","2","1") = "8"
    & skf18("2","8","9","1","8","3","1") = "8"
    & skf18("2","8","9","1","8","4","1") = "8"
    & skf18("2","8","9","1","8","5","1") = "8"
    & skf18("2","8","9","1","8","6","1") = "8"
    & skf18("2","8","9","1","8","7","1") = "8"
    & skf18("2","8","9","1","8","8","1") = "8"
    & skf18("2","8","9","1","8","9","1") = "8"
    & skf18("2","8","9","1","8","10","1") = "9"
    & skf18("2","8","9","1","9","1","1") = "8"
    & skf18("2","8","9","1","9","2","1") = "8"
    & skf18("2","8","9","1","9","3","1") = "8"
    & skf18("2","8","9","1","9","4","1") = "8"
    & skf18("2","8","9","1","9","5","1") = "8"
    & skf18("2","8","9","1","9","6","1") = "8"
    & skf18("2","8","9","1","9","7","1") = "8"
    & skf18("2","8","9","1","9","8","1") = "8"
    & skf18("2","8","9","1","9","9","1") = "8"
    & skf18("2","8","9","1","9","10","1") = "9"
    & skf18("2","8","9","1","10","1","1") = "9"
    & skf18("2","8","9","1","10","2","1") = "9"
    & skf18("2","8","9","1","10","3","1") = "9"
    & skf18("2","8","9","1","10","4","1") = "9"
    & skf18("2","8","9","1","10","5","1") = "9"
    & skf18("2","8","9","1","10","6","1") = "9"
    & skf18("2","8","9","1","10","7","1") = "9"
    & skf18("2","8","9","1","10","8","1") = "9"
    & skf18("2","8","9","1","10","9","1") = "9"
    & skf18("2","8","9","1","10","10","1") = "9"
    & skf18("2","8","9","2","1","1","1") = "8"
    & skf18("2","8","9","2","1","2","1") = "8"
    & skf18("2","8","9","2","1","3","1") = "8"
    & skf18("2","8","9","2","1","4","1") = "8"
    & skf18("2","8","9","2","1","5","1") = "8"
    & skf18("2","8","9","2","1","6","1") = "8"
    & skf18("2","8","9","2","1","7","1") = "8"
    & skf18("2","8","9","2","1","8","1") = "8"
    & skf18("2","8","9","2","1","9","1") = "8"
    & skf18("2","8","9","2","1","10","1") = "9"
    & skf18("2","8","9","2","2","1","1") = "8"
    & skf18("2","8","9","2","2","2","1") = "8"
    & skf18("2","8","9","2","2","3","1") = "8"
    & skf18("2","8","9","2","2","4","1") = "8"
    & skf18("2","8","9","2","2","5","1") = "8"
    & skf18("2","8","9","2","2","6","1") = "8"
    & skf18("2","8","9","2","2","7","1") = "8"
    & skf18("2","8","9","2","2","8","1") = "8"
    & skf18("2","8","9","2","2","9","1") = "8"
    & skf18("2","8","9","2","2","10","1") = "9"
    & skf18("2","8","9","2","3","1","1") = "8"
    & skf18("2","8","9","2","3","2","1") = "8"
    & skf18("2","8","9","2","3","3","1") = "8"
    & skf18("2","8","9","2","3","4","1") = "8"
    & skf18("2","8","9","2","3","5","1") = "8"
    & skf18("2","8","9","2","3","6","1") = "8"
    & skf18("2","8","9","2","3","7","1") = "8"
    & skf18("2","8","9","2","3","8","1") = "8"
    & skf18("2","8","9","2","3","9","1") = "8"
    & skf18("2","8","9","2","3","10","1") = "9"
    & skf18("2","8","9","2","4","1","1") = "8"
    & skf18("2","8","9","2","4","2","1") = "8"
    & skf18("2","8","9","2","4","3","1") = "8"
    & skf18("2","8","9","2","4","4","1") = "8"
    & skf18("2","8","9","2","4","5","1") = "8"
    & skf18("2","8","9","2","4","6","1") = "8"
    & skf18("2","8","9","2","4","7","1") = "8"
    & skf18("2","8","9","2","4","8","1") = "8"
    & skf18("2","8","9","2","4","9","1") = "8"
    & skf18("2","8","9","2","4","10","1") = "9"
    & skf18("2","8","9","2","5","1","1") = "8"
    & skf18("2","8","9","2","5","2","1") = "8"
    & skf18("2","8","9","2","5","3","1") = "8"
    & skf18("2","8","9","2","5","4","1") = "8"
    & skf18("2","8","9","2","5","5","1") = "8"
    & skf18("2","8","9","2","5","6","1") = "8"
    & skf18("2","8","9","2","5","7","1") = "8"
    & skf18("2","8","9","2","5","8","1") = "8"
    & skf18("2","8","9","2","5","9","1") = "8"
    & skf18("2","8","9","2","5","10","1") = "9"
    & skf18("2","8","9","2","6","1","1") = "8"
    & skf18("2","8","9","2","6","2","1") = "8"
    & skf18("2","8","9","2","6","3","1") = "8"
    & skf18("2","8","9","2","6","4","1") = "8"
    & skf18("2","8","9","2","6","5","1") = "8"
    & skf18("2","8","9","2","6","6","1") = "8"
    & skf18("2","8","9","2","6","7","1") = "8"
    & skf18("2","8","9","2","6","8","1") = "8"
    & skf18("2","8","9","2","6","9","1") = "8"
    & skf18("2","8","9","2","6","10","1") = "9"
    & skf18("2","8","9","2","7","1","1") = "8"
    & skf18("2","8","9","2","7","2","1") = "8"
    & skf18("2","8","9","2","7","3","1") = "8"
    & skf18("2","8","9","2","7","4","1") = "8"
    & skf18("2","8","9","2","7","5","1") = "8"
    & skf18("2","8","9","2","7","6","1") = "8"
    & skf18("2","8","9","2","7","7","1") = "8"
    & skf18("2","8","9","2","7","8","1") = "8"
    & skf18("2","8","9","2","7","9","1") = "8"
    & skf18("2","8","9","2","7","10","1") = "9"
    & skf18("2","8","9","2","8","1","1") = "8"
    & skf18("2","8","9","2","8","2","1") = "8"
    & skf18("2","8","9","2","8","3","1") = "8"
    & skf18("2","8","9","2","8","4","1") = "8"
    & skf18("2","8","9","2","8","5","1") = "8"
    & skf18("2","8","9","2","8","6","1") = "8"
    & skf18("2","8","9","2","8","7","1") = "8"
    & skf18("2","8","9","2","8","8","1") = "8"
    & skf18("2","8","9","2","8","9","1") = "8"
    & skf18("2","8","9","2","8","10","1") = "9"
    & skf18("2","8","9","2","9","1","1") = "8"
    & skf18("2","8","9","2","9","2","1") = "8"
    & skf18("2","8","9","2","9","3","1") = "8"
    & skf18("2","8","9","2","9","4","1") = "8"
    & skf18("2","8","9","2","9","5","1") = "8"
    & skf18("2","8","9","2","9","6","1") = "8"
    & skf18("2","8","9","2","9","7","1") = "8"
    & skf18("2","8","9","2","9","8","1") = "8"
    & skf18("2","8","9","2","9","9","1") = "8"
    & skf18("2","8","9","2","9","10","1") = "9"
    & skf18("2","8","9","2","10","1","1") = "9"
    & skf18("2","8","9","2","10","2","1") = "9"
    & skf18("2","8","9","2","10","3","1") = "9"
    & skf18("2","8","9","2","10","4","1") = "9"
    & skf18("2","8","9","2","10","5","1") = "9"
    & skf18("2","8","9","2","10","6","1") = "9"
    & skf18("2","8","9","2","10","7","1") = "9"
    & skf18("2","8","9","2","10","8","1") = "9"
    & skf18("2","8","9","2","10","9","1") = "9"
    & skf18("2","8","9","2","10","10","1") = "9"
    & skf18("2","8","9","3","1","1","1") = "8"
    & skf18("2","8","9","3","1","2","1") = "8"
    & skf18("2","8","9","3","1","3","1") = "8"
    & skf18("2","8","9","3","1","4","1") = "8"
    & skf18("2","8","9","3","1","5","1") = "8"
    & skf18("2","8","9","3","1","6","1") = "8"
    & skf18("2","8","9","3","1","7","1") = "8"
    & skf18("2","8","9","3","1","8","1") = "8"
    & skf18("2","8","9","3","1","9","1") = "8"
    & skf18("2","8","9","3","1","10","1") = "9"
    & skf18("2","8","9","3","2","1","1") = "8"
    & skf18("2","8","9","3","2","2","1") = "8"
    & skf18("2","8","9","3","2","3","1") = "8"
    & skf18("2","8","9","3","2","4","1") = "8"
    & skf18("2","8","9","3","2","5","1") = "8"
    & skf18("2","8","9","3","2","6","1") = "8"
    & skf18("2","8","9","3","2","7","1") = "8"
    & skf18("2","8","9","3","2","8","1") = "8"
    & skf18("2","8","9","3","2","9","1") = "8"
    & skf18("2","8","9","3","2","10","1") = "9"
    & skf18("2","8","9","3","3","1","1") = "8"
    & skf18("2","8","9","3","3","2","1") = "8"
    & skf18("2","8","9","3","3","3","1") = "8"
    & skf18("2","8","9","3","3","4","1") = "8"
    & skf18("2","8","9","3","3","5","1") = "8"
    & skf18("2","8","9","3","3","6","1") = "8"
    & skf18("2","8","9","3","3","7","1") = "8"
    & skf18("2","8","9","3","3","8","1") = "8"
    & skf18("2","8","9","3","3","9","1") = "8"
    & skf18("2","8","9","3","3","10","1") = "9"
    & skf18("2","8","9","3","4","1","1") = "8"
    & skf18("2","8","9","3","4","2","1") = "8"
    & skf18("2","8","9","3","4","3","1") = "8"
    & skf18("2","8","9","3","4","4","1") = "8"
    & skf18("2","8","9","3","4","5","1") = "8"
    & skf18("2","8","9","3","4","6","1") = "8"
    & skf18("2","8","9","3","4","7","1") = "8"
    & skf18("2","8","9","3","4","8","1") = "8"
    & skf18("2","8","9","3","4","9","1") = "8"
    & skf18("2","8","9","3","4","10","1") = "9"
    & skf18("2","8","9","3","5","1","1") = "8"
    & skf18("2","8","9","3","5","2","1") = "8"
    & skf18("2","8","9","3","5","3","1") = "8"
    & skf18("2","8","9","3","5","4","1") = "8"
    & skf18("2","8","9","3","5","5","1") = "8"
    & skf18("2","8","9","3","5","6","1") = "8"
    & skf18("2","8","9","3","5","7","1") = "8"
    & skf18("2","8","9","3","5","8","1") = "8"
    & skf18("2","8","9","3","5","9","1") = "8"
    & skf18("2","8","9","3","5","10","1") = "9"
    & skf18("2","8","9","3","6","1","1") = "8"
    & skf18("2","8","9","3","6","2","1") = "8"
    & skf18("2","8","9","3","6","3","1") = "8"
    & skf18("2","8","9","3","6","4","1") = "8"
    & skf18("2","8","9","3","6","5","1") = "8"
    & skf18("2","8","9","3","6","6","1") = "8"
    & skf18("2","8","9","3","6","7","1") = "8"
    & skf18("2","8","9","3","6","8","1") = "8"
    & skf18("2","8","9","3","6","9","1") = "8"
    & skf18("2","8","9","3","6","10","1") = "9"
    & skf18("2","8","9","3","7","1","1") = "8"
    & skf18("2","8","9","3","7","2","1") = "8"
    & skf18("2","8","9","3","7","3","1") = "8"
    & skf18("2","8","9","3","7","4","1") = "8"
    & skf18("2","8","9","3","7","5","1") = "8"
    & skf18("2","8","9","3","7","6","1") = "8"
    & skf18("2","8","9","3","7","7","1") = "8"
    & skf18("2","8","9","3","7","8","1") = "8"
    & skf18("2","8","9","3","7","9","1") = "8"
    & skf18("2","8","9","3","7","10","1") = "9"
    & skf18("2","8","9","3","8","1","1") = "8"
    & skf18("2","8","9","3","8","2","1") = "8"
    & skf18("2","8","9","3","8","3","1") = "8"
    & skf18("2","8","9","3","8","4","1") = "8"
    & skf18("2","8","9","3","8","5","1") = "8"
    & skf18("2","8","9","3","8","6","1") = "8"
    & skf18("2","8","9","3","8","7","1") = "8"
    & skf18("2","8","9","3","8","8","1") = "8"
    & skf18("2","8","9","3","8","9","1") = "8"
    & skf18("2","8","9","3","8","10","1") = "9"
    & skf18("2","8","9","3","9","1","1") = "8"
    & skf18("2","8","9","3","9","2","1") = "8"
    & skf18("2","8","9","3","9","3","1") = "8"
    & skf18("2","8","9","3","9","4","1") = "8"
    & skf18("2","8","9","3","9","5","1") = "8"
    & skf18("2","8","9","3","9","6","1") = "8"
    & skf18("2","8","9","3","9","7","1") = "8"
    & skf18("2","8","9","3","9","8","1") = "8"
    & skf18("2","8","9","3","9","9","1") = "8"
    & skf18("2","8","9","3","9","10","1") = "9"
    & skf18("2","8","9","3","10","1","1") = "9"
    & skf18("2","8","9","3","10","2","1") = "9"
    & skf18("2","8","9","3","10","3","1") = "9"
    & skf18("2","8","9","3","10","4","1") = "9"
    & skf18("2","8","9","3","10","5","1") = "9"
    & skf18("2","8","9","3","10","6","1") = "9"
    & skf18("2","8","9","3","10","7","1") = "9"
    & skf18("2","8","9","3","10","8","1") = "9"
    & skf18("2","8","9","3","10","9","1") = "9"
    & skf18("2","8","9","3","10","10","1") = "9"
    & skf18("2","8","9","4","1","1","1") = "8"
    & skf18("2","8","9","4","1","2","1") = "8"
    & skf18("2","8","9","4","1","3","1") = "8"
    & skf18("2","8","9","4","1","4","1") = "8"
    & skf18("2","8","9","4","1","5","1") = "8"
    & skf18("2","8","9","4","1","6","1") = "8"
    & skf18("2","8","9","4","1","7","1") = "8"
    & skf18("2","8","9","4","1","8","1") = "8"
    & skf18("2","8","9","4","1","9","1") = "8"
    & skf18("2","8","9","4","1","10","1") = "9"
    & skf18("2","8","9","4","2","1","1") = "8"
    & skf18("2","8","9","4","2","2","1") = "8"
    & skf18("2","8","9","4","2","3","1") = "8"
    & skf18("2","8","9","4","2","4","1") = "8"
    & skf18("2","8","9","4","2","5","1") = "8"
    & skf18("2","8","9","4","2","6","1") = "8"
    & skf18("2","8","9","4","2","7","1") = "8"
    & skf18("2","8","9","4","2","8","1") = "8"
    & skf18("2","8","9","4","2","9","1") = "8"
    & skf18("2","8","9","4","2","10","1") = "9"
    & skf18("2","8","9","4","3","1","1") = "8"
    & skf18("2","8","9","4","3","2","1") = "8"
    & skf18("2","8","9","4","3","3","1") = "8"
    & skf18("2","8","9","4","3","4","1") = "8"
    & skf18("2","8","9","4","3","5","1") = "8"
    & skf18("2","8","9","4","3","6","1") = "8"
    & skf18("2","8","9","4","3","7","1") = "8"
    & skf18("2","8","9","4","3","8","1") = "8"
    & skf18("2","8","9","4","3","9","1") = "8"
    & skf18("2","8","9","4","3","10","1") = "9"
    & skf18("2","8","9","4","4","1","1") = "8"
    & skf18("2","8","9","4","4","2","1") = "8"
    & skf18("2","8","9","4","4","3","1") = "8"
    & skf18("2","8","9","4","4","4","1") = "8"
    & skf18("2","8","9","4","4","5","1") = "8"
    & skf18("2","8","9","4","4","6","1") = "8"
    & skf18("2","8","9","4","4","7","1") = "8"
    & skf18("2","8","9","4","4","8","1") = "8"
    & skf18("2","8","9","4","4","9","1") = "8"
    & skf18("2","8","9","4","4","10","1") = "9"
    & skf18("2","8","9","4","5","1","1") = "8"
    & skf18("2","8","9","4","5","2","1") = "8"
    & skf18("2","8","9","4","5","3","1") = "8"
    & skf18("2","8","9","4","5","4","1") = "8"
    & skf18("2","8","9","4","5","5","1") = "8"
    & skf18("2","8","9","4","5","6","1") = "8"
    & skf18("2","8","9","4","5","7","1") = "8"
    & skf18("2","8","9","4","5","8","1") = "8"
    & skf18("2","8","9","4","5","9","1") = "8"
    & skf18("2","8","9","4","5","10","1") = "9"
    & skf18("2","8","9","4","6","1","1") = "8"
    & skf18("2","8","9","4","6","2","1") = "8"
    & skf18("2","8","9","4","6","3","1") = "8"
    & skf18("2","8","9","4","6","4","1") = "8"
    & skf18("2","8","9","4","6","5","1") = "8"
    & skf18("2","8","9","4","6","6","1") = "8"
    & skf18("2","8","9","4","6","7","1") = "8"
    & skf18("2","8","9","4","6","8","1") = "8"
    & skf18("2","8","9","4","6","9","1") = "8"
    & skf18("2","8","9","4","6","10","1") = "9"
    & skf18("2","8","9","4","7","1","1") = "8"
    & skf18("2","8","9","4","7","2","1") = "8"
    & skf18("2","8","9","4","7","3","1") = "8"
    & skf18("2","8","9","4","7","4","1") = "8"
    & skf18("2","8","9","4","7","5","1") = "8"
    & skf18("2","8","9","4","7","6","1") = "8"
    & skf18("2","8","9","4","7","7","1") = "8"
    & skf18("2","8","9","4","7","8","1") = "8"
    & skf18("2","8","9","4","7","9","1") = "8"
    & skf18("2","8","9","4","7","10","1") = "9"
    & skf18("2","8","9","4","8","1","1") = "8"
    & skf18("2","8","9","4","8","2","1") = "8"
    & skf18("2","8","9","4","8","3","1") = "8"
    & skf18("2","8","9","4","8","4","1") = "8"
    & skf18("2","8","9","4","8","5","1") = "8"
    & skf18("2","8","9","4","8","6","1") = "8"
    & skf18("2","8","9","4","8","7","1") = "8"
    & skf18("2","8","9","4","8","8","1") = "8"
    & skf18("2","8","9","4","8","9","1") = "8"
    & skf18("2","8","9","4","8","10","1") = "9"
    & skf18("2","8","9","4","9","1","1") = "8"
    & skf18("2","8","9","4","9","2","1") = "8"
    & skf18("2","8","9","4","9","3","1") = "8"
    & skf18("2","8","9","4","9","4","1") = "8"
    & skf18("2","8","9","4","9","5","1") = "8"
    & skf18("2","8","9","4","9","6","1") = "8"
    & skf18("2","8","9","4","9","7","1") = "8"
    & skf18("2","8","9","4","9","8","1") = "8"
    & skf18("2","8","9","4","9","9","1") = "8"
    & skf18("2","8","9","4","9","10","1") = "9"
    & skf18("2","8","9","4","10","1","1") = "9"
    & skf18("2","8","9","4","10","2","1") = "9"
    & skf18("2","8","9","4","10","3","1") = "9"
    & skf18("2","8","9","4","10","4","1") = "9"
    & skf18("2","8","9","4","10","5","1") = "9"
    & skf18("2","8","9","4","10","6","1") = "9"
    & skf18("2","8","9","4","10","7","1") = "9"
    & skf18("2","8","9","4","10","8","1") = "9"
    & skf18("2","8","9","4","10","9","1") = "9"
    & skf18("2","8","9","4","10","10","1") = "9"
    & skf18("2","8","9","5","1","1","1") = "8"
    & skf18("2","8","9","5","1","2","1") = "8"
    & skf18("2","8","9","5","1","3","1") = "8"
    & skf18("2","8","9","5","1","4","1") = "8"
    & skf18("2","8","9","5","1","5","1") = "8"
    & skf18("2","8","9","5","1","6","1") = "8"
    & skf18("2","8","9","5","1","7","1") = "8"
    & skf18("2","8","9","5","1","8","1") = "8"
    & skf18("2","8","9","5","1","9","1") = "8"
    & skf18("2","8","9","5","1","10","1") = "9"
    & skf18("2","8","9","5","2","1","1") = "8"
    & skf18("2","8","9","5","2","2","1") = "8"
    & skf18("2","8","9","5","2","3","1") = "8"
    & skf18("2","8","9","5","2","4","1") = "8"
    & skf18("2","8","9","5","2","5","1") = "8"
    & skf18("2","8","9","5","2","6","1") = "8"
    & skf18("2","8","9","5","2","7","1") = "8"
    & skf18("2","8","9","5","2","8","1") = "8"
    & skf18("2","8","9","5","2","9","1") = "8"
    & skf18("2","8","9","5","2","10","1") = "9"
    & skf18("2","8","9","5","3","1","1") = "8"
    & skf18("2","8","9","5","3","2","1") = "8"
    & skf18("2","8","9","5","3","3","1") = "8"
    & skf18("2","8","9","5","3","4","1") = "8"
    & skf18("2","8","9","5","3","5","1") = "8"
    & skf18("2","8","9","5","3","6","1") = "8"
    & skf18("2","8","9","5","3","7","1") = "8"
    & skf18("2","8","9","5","3","8","1") = "8"
    & skf18("2","8","9","5","3","9","1") = "8"
    & skf18("2","8","9","5","3","10","1") = "9"
    & skf18("2","8","9","5","4","1","1") = "8"
    & skf18("2","8","9","5","4","2","1") = "8"
    & skf18("2","8","9","5","4","3","1") = "8"
    & skf18("2","8","9","5","4","4","1") = "8"
    & skf18("2","8","9","5","4","5","1") = "8"
    & skf18("2","8","9","5","4","6","1") = "8"
    & skf18("2","8","9","5","4","7","1") = "8"
    & skf18("2","8","9","5","4","8","1") = "8"
    & skf18("2","8","9","5","4","9","1") = "8"
    & skf18("2","8","9","5","4","10","1") = "9"
    & skf18("2","8","9","5","5","1","1") = "8"
    & skf18("2","8","9","5","5","2","1") = "8"
    & skf18("2","8","9","5","5","3","1") = "8"
    & skf18("2","8","9","5","5","4","1") = "8"
    & skf18("2","8","9","5","5","5","1") = "8"
    & skf18("2","8","9","5","5","6","1") = "8"
    & skf18("2","8","9","5","5","7","1") = "8"
    & skf18("2","8","9","5","5","8","1") = "8"
    & skf18("2","8","9","5","5","9","1") = "8"
    & skf18("2","8","9","5","5","10","1") = "9"
    & skf18("2","8","9","5","6","1","1") = "8"
    & skf18("2","8","9","5","6","2","1") = "8"
    & skf18("2","8","9","5","6","3","1") = "8"
    & skf18("2","8","9","5","6","4","1") = "8"
    & skf18("2","8","9","5","6","5","1") = "8"
    & skf18("2","8","9","5","6","6","1") = "8"
    & skf18("2","8","9","5","6","7","1") = "8"
    & skf18("2","8","9","5","6","8","1") = "8"
    & skf18("2","8","9","5","6","9","1") = "8"
    & skf18("2","8","9","5","6","10","1") = "9"
    & skf18("2","8","9","5","7","1","1") = "8"
    & skf18("2","8","9","5","7","2","1") = "8"
    & skf18("2","8","9","5","7","3","1") = "8"
    & skf18("2","8","9","5","7","4","1") = "8"
    & skf18("2","8","9","5","7","5","1") = "8"
    & skf18("2","8","9","5","7","6","1") = "8"
    & skf18("2","8","9","5","7","7","1") = "8"
    & skf18("2","8","9","5","7","8","1") = "8"
    & skf18("2","8","9","5","7","9","1") = "8"
    & skf18("2","8","9","5","7","10","1") = "9"
    & skf18("2","8","9","5","8","1","1") = "8"
    & skf18("2","8","9","5","8","2","1") = "8"
    & skf18("2","8","9","5","8","3","1") = "8"
    & skf18("2","8","9","5","8","4","1") = "8"
    & skf18("2","8","9","5","8","5","1") = "8"
    & skf18("2","8","9","5","8","6","1") = "8"
    & skf18("2","8","9","5","8","7","1") = "8"
    & skf18("2","8","9","5","8","8","1") = "8"
    & skf18("2","8","9","5","8","9","1") = "8"
    & skf18("2","8","9","5","8","10","1") = "9"
    & skf18("2","8","9","5","9","1","1") = "8"
    & skf18("2","8","9","5","9","2","1") = "8"
    & skf18("2","8","9","5","9","3","1") = "8"
    & skf18("2","8","9","5","9","4","1") = "8"
    & skf18("2","8","9","5","9","5","1") = "8"
    & skf18("2","8","9","5","9","6","1") = "8"
    & skf18("2","8","9","5","9","7","1") = "8"
    & skf18("2","8","9","5","9","8","1") = "8"
    & skf18("2","8","9","5","9","9","1") = "8"
    & skf18("2","8","9","5","9","10","1") = "9"
    & skf18("2","8","9","5","10","1","1") = "9"
    & skf18("2","8","9","5","10","2","1") = "9"
    & skf18("2","8","9","5","10","3","1") = "9"
    & skf18("2","8","9","5","10","4","1") = "9"
    & skf18("2","8","9","5","10","5","1") = "9"
    & skf18("2","8","9","5","10","6","1") = "9"
    & skf18("2","8","9","5","10","7","1") = "9"
    & skf18("2","8","9","5","10","8","1") = "9"
    & skf18("2","8","9","5","10","9","1") = "9"
    & skf18("2","8","9","5","10","10","1") = "9"
    & skf18("2","8","9","6","1","1","1") = "8"
    & skf18("2","8","9","6","1","2","1") = "8"
    & skf18("2","8","9","6","1","3","1") = "8"
    & skf18("2","8","9","6","1","4","1") = "8"
    & skf18("2","8","9","6","1","5","1") = "8"
    & skf18("2","8","9","6","1","6","1") = "8"
    & skf18("2","8","9","6","1","7","1") = "8"
    & skf18("2","8","9","6","1","8","1") = "8"
    & skf18("2","8","9","6","1","9","1") = "8"
    & skf18("2","8","9","6","1","10","1") = "9"
    & skf18("2","8","9","6","2","1","1") = "8"
    & skf18("2","8","9","6","2","2","1") = "8"
    & skf18("2","8","9","6","2","3","1") = "8"
    & skf18("2","8","9","6","2","4","1") = "8"
    & skf18("2","8","9","6","2","5","1") = "8"
    & skf18("2","8","9","6","2","6","1") = "8"
    & skf18("2","8","9","6","2","7","1") = "8"
    & skf18("2","8","9","6","2","8","1") = "8"
    & skf18("2","8","9","6","2","9","1") = "8"
    & skf18("2","8","9","6","2","10","1") = "9"
    & skf18("2","8","9","6","3","1","1") = "8"
    & skf18("2","8","9","6","3","2","1") = "8"
    & skf18("2","8","9","6","3","3","1") = "8"
    & skf18("2","8","9","6","3","4","1") = "8"
    & skf18("2","8","9","6","3","5","1") = "8"
    & skf18("2","8","9","6","3","6","1") = "8"
    & skf18("2","8","9","6","3","7","1") = "8"
    & skf18("2","8","9","6","3","8","1") = "8"
    & skf18("2","8","9","6","3","9","1") = "8"
    & skf18("2","8","9","6","3","10","1") = "9"
    & skf18("2","8","9","6","4","1","1") = "8"
    & skf18("2","8","9","6","4","2","1") = "8"
    & skf18("2","8","9","6","4","3","1") = "8"
    & skf18("2","8","9","6","4","4","1") = "8"
    & skf18("2","8","9","6","4","5","1") = "8"
    & skf18("2","8","9","6","4","6","1") = "8"
    & skf18("2","8","9","6","4","7","1") = "8"
    & skf18("2","8","9","6","4","8","1") = "8"
    & skf18("2","8","9","6","4","9","1") = "8"
    & skf18("2","8","9","6","4","10","1") = "9"
    & skf18("2","8","9","6","5","1","1") = "8"
    & skf18("2","8","9","6","5","2","1") = "8"
    & skf18("2","8","9","6","5","3","1") = "8"
    & skf18("2","8","9","6","5","4","1") = "8"
    & skf18("2","8","9","6","5","5","1") = "8"
    & skf18("2","8","9","6","5","6","1") = "8"
    & skf18("2","8","9","6","5","7","1") = "8"
    & skf18("2","8","9","6","5","8","1") = "8"
    & skf18("2","8","9","6","5","9","1") = "8"
    & skf18("2","8","9","6","5","10","1") = "9"
    & skf18("2","8","9","6","6","1","1") = "8"
    & skf18("2","8","9","6","6","2","1") = "8"
    & skf18("2","8","9","6","6","3","1") = "8"
    & skf18("2","8","9","6","6","4","1") = "8"
    & skf18("2","8","9","6","6","5","1") = "8"
    & skf18("2","8","9","6","6","6","1") = "8"
    & skf18("2","8","9","6","6","7","1") = "8"
    & skf18("2","8","9","6","6","8","1") = "8"
    & skf18("2","8","9","6","6","9","1") = "8"
    & skf18("2","8","9","6","6","10","1") = "9"
    & skf18("2","8","9","6","7","1","1") = "8"
    & skf18("2","8","9","6","7","2","1") = "8"
    & skf18("2","8","9","6","7","3","1") = "8"
    & skf18("2","8","9","6","7","4","1") = "8"
    & skf18("2","8","9","6","7","5","1") = "8"
    & skf18("2","8","9","6","7","6","1") = "8"
    & skf18("2","8","9","6","7","7","1") = "8"
    & skf18("2","8","9","6","7","8","1") = "8"
    & skf18("2","8","9","6","7","9","1") = "8"
    & skf18("2","8","9","6","7","10","1") = "9"
    & skf18("2","8","9","6","8","1","1") = "8"
    & skf18("2","8","9","6","8","2","1") = "8"
    & skf18("2","8","9","6","8","3","1") = "8"
    & skf18("2","8","9","6","8","4","1") = "8"
    & skf18("2","8","9","6","8","5","1") = "8"
    & skf18("2","8","9","6","8","6","1") = "8"
    & skf18("2","8","9","6","8","7","1") = "8"
    & skf18("2","8","9","6","8","8","1") = "8"
    & skf18("2","8","9","6","8","9","1") = "8"
    & skf18("2","8","9","6","8","10","1") = "9"
    & skf18("2","8","9","6","9","1","1") = "8"
    & skf18("2","8","9","6","9","2","1") = "8"
    & skf18("2","8","9","6","9","3","1") = "8"
    & skf18("2","8","9","6","9","4","1") = "8"
    & skf18("2","8","9","6","9","5","1") = "8"
    & skf18("2","8","9","6","9","6","1") = "8"
    & skf18("2","8","9","6","9","7","1") = "8"
    & skf18("2","8","9","6","9","8","1") = "8"
    & skf18("2","8","9","6","9","9","1") = "8"
    & skf18("2","8","9","6","9","10","1") = "9"
    & skf18("2","8","9","6","10","1","1") = "9"
    & skf18("2","8","9","6","10","2","1") = "9"
    & skf18("2","8","9","6","10","3","1") = "9"
    & skf18("2","8","9","6","10","4","1") = "9"
    & skf18("2","8","9","6","10","5","1") = "9"
    & skf18("2","8","9","6","10","6","1") = "9"
    & skf18("2","8","9","6","10","7","1") = "9"
    & skf18("2","8","9","6","10","8","1") = "9"
    & skf18("2","8","9","6","10","9","1") = "9"
    & skf18("2","8","9","6","10","10","1") = "9"
    & skf18("2","8","9","7","1","1","1") = "8"
    & skf18("2","8","9","7","1","2","1") = "8"
    & skf18("2","8","9","7","1","3","1") = "8"
    & skf18("2","8","9","7","1","4","1") = "8"
    & skf18("2","8","9","7","1","5","1") = "8"
    & skf18("2","8","9","7","1","6","1") = "8"
    & skf18("2","8","9","7","1","7","1") = "8"
    & skf18("2","8","9","7","1","8","1") = "8"
    & skf18("2","8","9","7","1","9","1") = "8"
    & skf18("2","8","9","7","1","10","1") = "9"
    & skf18("2","8","9","7","2","1","1") = "8"
    & skf18("2","8","9","7","2","2","1") = "8"
    & skf18("2","8","9","7","2","3","1") = "8"
    & skf18("2","8","9","7","2","4","1") = "8"
    & skf18("2","8","9","7","2","5","1") = "8"
    & skf18("2","8","9","7","2","6","1") = "8"
    & skf18("2","8","9","7","2","7","1") = "8"
    & skf18("2","8","9","7","2","8","1") = "8"
    & skf18("2","8","9","7","2","9","1") = "8"
    & skf18("2","8","9","7","2","10","1") = "9"
    & skf18("2","8","9","7","3","1","1") = "8"
    & skf18("2","8","9","7","3","2","1") = "8"
    & skf18("2","8","9","7","3","3","1") = "8"
    & skf18("2","8","9","7","3","4","1") = "8"
    & skf18("2","8","9","7","3","5","1") = "8"
    & skf18("2","8","9","7","3","6","1") = "8"
    & skf18("2","8","9","7","3","7","1") = "8"
    & skf18("2","8","9","7","3","8","1") = "8"
    & skf18("2","8","9","7","3","9","1") = "8"
    & skf18("2","8","9","7","3","10","1") = "9"
    & skf18("2","8","9","7","4","1","1") = "8"
    & skf18("2","8","9","7","4","2","1") = "8"
    & skf18("2","8","9","7","4","3","1") = "8"
    & skf18("2","8","9","7","4","4","1") = "8"
    & skf18("2","8","9","7","4","5","1") = "8"
    & skf18("2","8","9","7","4","6","1") = "8"
    & skf18("2","8","9","7","4","7","1") = "8"
    & skf18("2","8","9","7","4","8","1") = "8"
    & skf18("2","8","9","7","4","9","1") = "8"
    & skf18("2","8","9","7","4","10","1") = "9"
    & skf18("2","8","9","7","5","1","1") = "8"
    & skf18("2","8","9","7","5","2","1") = "8"
    & skf18("2","8","9","7","5","3","1") = "8"
    & skf18("2","8","9","7","5","4","1") = "8"
    & skf18("2","8","9","7","5","5","1") = "8"
    & skf18("2","8","9","7","5","6","1") = "8"
    & skf18("2","8","9","7","5","7","1") = "8"
    & skf18("2","8","9","7","5","8","1") = "8"
    & skf18("2","8","9","7","5","9","1") = "8"
    & skf18("2","8","9","7","5","10","1") = "9"
    & skf18("2","8","9","7","6","1","1") = "8"
    & skf18("2","8","9","7","6","2","1") = "8"
    & skf18("2","8","9","7","6","3","1") = "8"
    & skf18("2","8","9","7","6","4","1") = "8"
    & skf18("2","8","9","7","6","5","1") = "8"
    & skf18("2","8","9","7","6","6","1") = "8"
    & skf18("2","8","9","7","6","7","1") = "8"
    & skf18("2","8","9","7","6","8","1") = "8"
    & skf18("2","8","9","7","6","9","1") = "8"
    & skf18("2","8","9","7","6","10","1") = "9"
    & skf18("2","8","9","7","7","1","1") = "8"
    & skf18("2","8","9","7","7","2","1") = "8"
    & skf18("2","8","9","7","7","3","1") = "8"
    & skf18("2","8","9","7","7","4","1") = "8"
    & skf18("2","8","9","7","7","5","1") = "8"
    & skf18("2","8","9","7","7","6","1") = "8"
    & skf18("2","8","9","7","7","7","1") = "8"
    & skf18("2","8","9","7","7","8","1") = "8"
    & skf18("2","8","9","7","7","9","1") = "8"
    & skf18("2","8","9","7","7","10","1") = "9"
    & skf18("2","8","9","7","8","1","1") = "8"
    & skf18("2","8","9","7","8","2","1") = "8"
    & skf18("2","8","9","7","8","3","1") = "8"
    & skf18("2","8","9","7","8","4","1") = "8"
    & skf18("2","8","9","7","8","5","1") = "8"
    & skf18("2","8","9","7","8","6","1") = "8"
    & skf18("2","8","9","7","8","7","1") = "8"
    & skf18("2","8","9","7","8","8","1") = "8"
    & skf18("2","8","9","7","8","9","1") = "8"
    & skf18("2","8","9","7","8","10","1") = "9"
    & skf18("2","8","9","7","9","1","1") = "8"
    & skf18("2","8","9","7","9","2","1") = "8"
    & skf18("2","8","9","7","9","3","1") = "8"
    & skf18("2","8","9","7","9","4","1") = "8"
    & skf18("2","8","9","7","9","5","1") = "8"
    & skf18("2","8","9","7","9","6","1") = "8"
    & skf18("2","8","9","7","9","7","1") = "8"
    & skf18("2","8","9","7","9","8","1") = "8"
    & skf18("2","8","9","7","9","9","1") = "8"
    & skf18("2","8","9","7","9","10","1") = "9"
    & skf18("2","8","9","7","10","1","1") = "9"
    & skf18("2","8","9","7","10","2","1") = "9"
    & skf18("2","8","9","7","10","3","1") = "9"
    & skf18("2","8","9","7","10","4","1") = "9"
    & skf18("2","8","9","7","10","5","1") = "9"
    & skf18("2","8","9","7","10","6","1") = "9"
    & skf18("2","8","9","7","10","7","1") = "9"
    & skf18("2","8","9","7","10","8","1") = "9"
    & skf18("2","8","9","7","10","9","1") = "9"
    & skf18("2","8","9","7","10","10","1") = "9"
    & skf18("2","8","9","8","1","1","1") = "8"
    & skf18("2","8","9","8","1","2","1") = "8"
    & skf18("2","8","9","8","1","3","1") = "8"
    & skf18("2","8","9","8","1","4","1") = "8"
    & skf18("2","8","9","8","1","5","1") = "8"
    & skf18("2","8","9","8","1","6","1") = "8"
    & skf18("2","8","9","8","1","7","1") = "8"
    & skf18("2","8","9","8","1","8","1") = "8"
    & skf18("2","8","9","8","1","9","1") = "8"
    & skf18("2","8","9","8","1","10","1") = "9"
    & skf18("2","8","9","8","2","1","1") = "8"
    & skf18("2","8","9","8","2","2","1") = "8"
    & skf18("2","8","9","8","2","3","1") = "8"
    & skf18("2","8","9","8","2","4","1") = "8"
    & skf18("2","8","9","8","2","5","1") = "8"
    & skf18("2","8","9","8","2","6","1") = "8"
    & skf18("2","8","9","8","2","7","1") = "8"
    & skf18("2","8","9","8","2","8","1") = "8"
    & skf18("2","8","9","8","2","9","1") = "8"
    & skf18("2","8","9","8","2","10","1") = "9"
    & skf18("2","8","9","8","3","1","1") = "8"
    & skf18("2","8","9","8","3","2","1") = "8"
    & skf18("2","8","9","8","3","3","1") = "8"
    & skf18("2","8","9","8","3","4","1") = "8"
    & skf18("2","8","9","8","3","5","1") = "8"
    & skf18("2","8","9","8","3","6","1") = "8"
    & skf18("2","8","9","8","3","7","1") = "8"
    & skf18("2","8","9","8","3","8","1") = "8"
    & skf18("2","8","9","8","3","9","1") = "8"
    & skf18("2","8","9","8","3","10","1") = "9"
    & skf18("2","8","9","8","4","1","1") = "8"
    & skf18("2","8","9","8","4","2","1") = "8"
    & skf18("2","8","9","8","4","3","1") = "8"
    & skf18("2","8","9","8","4","4","1") = "8"
    & skf18("2","8","9","8","4","5","1") = "8"
    & skf18("2","8","9","8","4","6","1") = "8"
    & skf18("2","8","9","8","4","7","1") = "8"
    & skf18("2","8","9","8","4","8","1") = "8"
    & skf18("2","8","9","8","4","9","1") = "8"
    & skf18("2","8","9","8","4","10","1") = "9"
    & skf18("2","8","9","8","5","1","1") = "8"
    & skf18("2","8","9","8","5","2","1") = "8"
    & skf18("2","8","9","8","5","3","1") = "8"
    & skf18("2","8","9","8","5","4","1") = "8"
    & skf18("2","8","9","8","5","5","1") = "8"
    & skf18("2","8","9","8","5","6","1") = "8"
    & skf18("2","8","9","8","5","7","1") = "8"
    & skf18("2","8","9","8","5","8","1") = "8"
    & skf18("2","8","9","8","5","9","1") = "8"
    & skf18("2","8","9","8","5","10","1") = "9"
    & skf18("2","8","9","8","6","1","1") = "8"
    & skf18("2","8","9","8","6","2","1") = "8"
    & skf18("2","8","9","8","6","3","1") = "8"
    & skf18("2","8","9","8","6","4","1") = "8"
    & skf18("2","8","9","8","6","5","1") = "8"
    & skf18("2","8","9","8","6","6","1") = "8"
    & skf18("2","8","9","8","6","7","1") = "8"
    & skf18("2","8","9","8","6","8","1") = "8"
    & skf18("2","8","9","8","6","9","1") = "8"
    & skf18("2","8","9","8","6","10","1") = "9"
    & skf18("2","8","9","8","7","1","1") = "8"
    & skf18("2","8","9","8","7","2","1") = "8"
    & skf18("2","8","9","8","7","3","1") = "8"
    & skf18("2","8","9","8","7","4","1") = "8"
    & skf18("2","8","9","8","7","5","1") = "8"
    & skf18("2","8","9","8","7","6","1") = "8"
    & skf18("2","8","9","8","7","7","1") = "8"
    & skf18("2","8","9","8","7","8","1") = "8"
    & skf18("2","8","9","8","7","9","1") = "8"
    & skf18("2","8","9","8","7","10","1") = "9"
    & skf18("2","8","9","8","8","1","1") = "8"
    & skf18("2","8","9","8","8","2","1") = "8"
    & skf18("2","8","9","8","8","3","1") = "8"
    & skf18("2","8","9","8","8","4","1") = "8"
    & skf18("2","8","9","8","8","5","1") = "8"
    & skf18("2","8","9","8","8","6","1") = "8"
    & skf18("2","8","9","8","8","7","1") = "8"
    & skf18("2","8","9","8","8","8","1") = "8"
    & skf18("2","8","9","8","8","9","1") = "8"
    & skf18("2","8","9","8","8","10","1") = "9"
    & skf18("2","8","9","8","9","1","1") = "8"
    & skf18("2","8","9","8","9","2","1") = "8"
    & skf18("2","8","9","8","9","3","1") = "8"
    & skf18("2","8","9","8","9","4","1") = "8"
    & skf18("2","8","9","8","9","5","1") = "8"
    & skf18("2","8","9","8","9","6","1") = "8"
    & skf18("2","8","9","8","9","7","1") = "8"
    & skf18("2","8","9","8","9","8","1") = "8"
    & skf18("2","8","9","8","9","9","1") = "8"
    & skf18("2","8","9","8","9","10","1") = "9"
    & skf18("2","8","9","8","10","1","1") = "9"
    & skf18("2","8","9","8","10","2","1") = "9"
    & skf18("2","8","9","8","10","3","1") = "9"
    & skf18("2","8","9","8","10","4","1") = "9"
    & skf18("2","8","9","8","10","5","1") = "9"
    & skf18("2","8","9","8","10","6","1") = "9"
    & skf18("2","8","9","8","10","7","1") = "9"
    & skf18("2","8","9","8","10","8","1") = "9"
    & skf18("2","8","9","8","10","9","1") = "9"
    & skf18("2","8","9","8","10","10","1") = "9"
    & skf18("2","8","9","9","1","1","1") = "8"
    & skf18("2","8","9","9","1","2","1") = "8"
    & skf18("2","8","9","9","1","3","1") = "8"
    & skf18("2","8","9","9","1","4","1") = "8"
    & skf18("2","8","9","9","1","5","1") = "8"
    & skf18("2","8","9","9","1","6","1") = "8"
    & skf18("2","8","9","9","1","7","1") = "8"
    & skf18("2","8","9","9","1","8","1") = "8"
    & skf18("2","8","9","9","1","9","1") = "8"
    & skf18("2","8","9","9","1","10","1") = "9"
    & skf18("2","8","9","9","2","1","1") = "8"
    & skf18("2","8","9","9","2","2","1") = "8"
    & skf18("2","8","9","9","2","3","1") = "8"
    & skf18("2","8","9","9","2","4","1") = "8"
    & skf18("2","8","9","9","2","5","1") = "8"
    & skf18("2","8","9","9","2","6","1") = "8"
    & skf18("2","8","9","9","2","7","1") = "8"
    & skf18("2","8","9","9","2","8","1") = "8"
    & skf18("2","8","9","9","2","9","1") = "8"
    & skf18("2","8","9","9","2","10","1") = "9"
    & skf18("2","8","9","9","3","1","1") = "8"
    & skf18("2","8","9","9","3","2","1") = "8"
    & skf18("2","8","9","9","3","3","1") = "8"
    & skf18("2","8","9","9","3","4","1") = "8"
    & skf18("2","8","9","9","3","5","1") = "8"
    & skf18("2","8","9","9","3","6","1") = "8"
    & skf18("2","8","9","9","3","7","1") = "8"
    & skf18("2","8","9","9","3","8","1") = "8"
    & skf18("2","8","9","9","3","9","1") = "8"
    & skf18("2","8","9","9","3","10","1") = "9"
    & skf18("2","8","9","9","4","1","1") = "8"
    & skf18("2","8","9","9","4","2","1") = "8"
    & skf18("2","8","9","9","4","3","1") = "8"
    & skf18("2","8","9","9","4","4","1") = "8"
    & skf18("2","8","9","9","4","5","1") = "8"
    & skf18("2","8","9","9","4","6","1") = "8"
    & skf18("2","8","9","9","4","7","1") = "8"
    & skf18("2","8","9","9","4","8","1") = "8"
    & skf18("2","8","9","9","4","9","1") = "8"
    & skf18("2","8","9","9","4","10","1") = "9"
    & skf18("2","8","9","9","5","1","1") = "8"
    & skf18("2","8","9","9","5","2","1") = "8"
    & skf18("2","8","9","9","5","3","1") = "8"
    & skf18("2","8","9","9","5","4","1") = "8"
    & skf18("2","8","9","9","5","5","1") = "8"
    & skf18("2","8","9","9","5","6","1") = "8"
    & skf18("2","8","9","9","5","7","1") = "8"
    & skf18("2","8","9","9","5","8","1") = "8"
    & skf18("2","8","9","9","5","9","1") = "8"
    & skf18("2","8","9","9","5","10","1") = "9"
    & skf18("2","8","9","9","6","1","1") = "8"
    & skf18("2","8","9","9","6","2","1") = "8"
    & skf18("2","8","9","9","6","3","1") = "8"
    & skf18("2","8","9","9","6","4","1") = "8"
    & skf18("2","8","9","9","6","5","1") = "8"
    & skf18("2","8","9","9","6","6","1") = "8"
    & skf18("2","8","9","9","6","7","1") = "8"
    & skf18("2","8","9","9","6","8","1") = "8"
    & skf18("2","8","9","9","6","9","1") = "8"
    & skf18("2","8","9","9","6","10","1") = "9"
    & skf18("2","8","9","9","7","1","1") = "8"
    & skf18("2","8","9","9","7","2","1") = "8"
    & skf18("2","8","9","9","7","3","1") = "8"
    & skf18("2","8","9","9","7","4","1") = "8"
    & skf18("2","8","9","9","7","5","1") = "8"
    & skf18("2","8","9","9","7","6","1") = "8"
    & skf18("2","8","9","9","7","7","1") = "8"
    & skf18("2","8","9","9","7","8","1") = "8"
    & skf18("2","8","9","9","7","9","1") = "8"
    & skf18("2","8","9","9","7","10","1") = "9"
    & skf18("2","8","9","9","8","1","1") = "8"
    & skf18("2","8","9","9","8","2","1") = "8"
    & skf18("2","8","9","9","8","3","1") = "8"
    & skf18("2","8","9","9","8","4","1") = "8"
    & skf18("2","8","9","9","8","5","1") = "8"
    & skf18("2","8","9","9","8","6","1") = "8"
    & skf18("2","8","9","9","8","7","1") = "8"
    & skf18("2","8","9","9","8","8","1") = "8"
    & skf18("2","8","9","9","8","9","1") = "8"
    & skf18("2","8","9","9","8","10","1") = "9"
    & skf18("2","8","9","9","9","1","1") = "8"
    & skf18("2","8","9","9","9","2","1") = "8"
    & skf18("2","8","9","9","9","3","1") = "8"
    & skf18("2","8","9","9","9","4","1") = "8"
    & skf18("2","8","9","9","9","5","1") = "8"
    & skf18("2","8","9","9","9","6","1") = "8"
    & skf18("2","8","9","9","9","7","1") = "8"
    & skf18("2","8","9","9","9","8","1") = "8"
    & skf18("2","8","9","9","9","9","1") = "8"
    & skf18("2","8","9","9","9","10","1") = "9"
    & skf18("2","8","9","9","10","1","1") = "9"
    & skf18("2","8","9","9","10","2","1") = "9"
    & skf18("2","8","9","9","10","3","1") = "9"
    & skf18("2","8","9","9","10","4","1") = "9"
    & skf18("2","8","9","9","10","5","1") = "9"
    & skf18("2","8","9","9","10","6","1") = "9"
    & skf18("2","8","9","9","10","7","1") = "9"
    & skf18("2","8","9","9","10","8","1") = "9"
    & skf18("2","8","9","9","10","9","1") = "9"
    & skf18("2","8","9","9","10","10","1") = "9"
    & skf18("2","8","9","10","1","1","1") = "9"
    & skf18("2","8","9","10","1","2","1") = "9"
    & skf18("2","8","9","10","1","3","1") = "9"
    & skf18("2","8","9","10","1","4","1") = "9"
    & skf18("2","8","9","10","1","5","1") = "9"
    & skf18("2","8","9","10","1","6","1") = "9"
    & skf18("2","8","9","10","1","7","1") = "9"
    & skf18("2","8","9","10","1","8","1") = "9"
    & skf18("2","8","9","10","1","9","1") = "9"
    & skf18("2","8","9","10","1","10","1") = "9"
    & skf18("2","8","9","10","2","1","1") = "9"
    & skf18("2","8","9","10","2","2","1") = "9"
    & skf18("2","8","9","10","2","3","1") = "9"
    & skf18("2","8","9","10","2","4","1") = "9"
    & skf18("2","8","9","10","2","5","1") = "9"
    & skf18("2","8","9","10","2","6","1") = "9"
    & skf18("2","8","9","10","2","7","1") = "9"
    & skf18("2","8","9","10","2","8","1") = "9"
    & skf18("2","8","9","10","2","9","1") = "9"
    & skf18("2","8","9","10","2","10","1") = "9"
    & skf18("2","8","9","10","3","1","1") = "9"
    & skf18("2","8","9","10","3","2","1") = "9"
    & skf18("2","8","9","10","3","3","1") = "9"
    & skf18("2","8","9","10","3","4","1") = "9"
    & skf18("2","8","9","10","3","5","1") = "9"
    & skf18("2","8","9","10","3","6","1") = "9"
    & skf18("2","8","9","10","3","7","1") = "9"
    & skf18("2","8","9","10","3","8","1") = "9"
    & skf18("2","8","9","10","3","9","1") = "9"
    & skf18("2","8","9","10","3","10","1") = "9"
    & skf18("2","8","9","10","4","1","1") = "9"
    & skf18("2","8","9","10","4","2","1") = "9"
    & skf18("2","8","9","10","4","3","1") = "9"
    & skf18("2","8","9","10","4","4","1") = "9"
    & skf18("2","8","9","10","4","5","1") = "9"
    & skf18("2","8","9","10","4","6","1") = "9"
    & skf18("2","8","9","10","4","7","1") = "9"
    & skf18("2","8","9","10","4","8","1") = "9"
    & skf18("2","8","9","10","4","9","1") = "9"
    & skf18("2","8","9","10","4","10","1") = "9"
    & skf18("2","8","9","10","5","1","1") = "9"
    & skf18("2","8","9","10","5","2","1") = "9"
    & skf18("2","8","9","10","5","3","1") = "9"
    & skf18("2","8","9","10","5","4","1") = "9"
    & skf18("2","8","9","10","5","5","1") = "9"
    & skf18("2","8","9","10","5","6","1") = "9"
    & skf18("2","8","9","10","5","7","1") = "9"
    & skf18("2","8","9","10","5","8","1") = "9"
    & skf18("2","8","9","10","5","9","1") = "9"
    & skf18("2","8","9","10","5","10","1") = "9"
    & skf18("2","8","9","10","6","1","1") = "9"
    & skf18("2","8","9","10","6","2","1") = "9"
    & skf18("2","8","9","10","6","3","1") = "9"
    & skf18("2","8","9","10","6","4","1") = "9"
    & skf18("2","8","9","10","6","5","1") = "9"
    & skf18("2","8","9","10","6","6","1") = "9"
    & skf18("2","8","9","10","6","7","1") = "9"
    & skf18("2","8","9","10","6","8","1") = "9"
    & skf18("2","8","9","10","6","9","1") = "9"
    & skf18("2","8","9","10","6","10","1") = "9"
    & skf18("2","8","9","10","7","1","1") = "9"
    & skf18("2","8","9","10","7","2","1") = "9"
    & skf18("2","8","9","10","7","3","1") = "9"
    & skf18("2","8","9","10","7","4","1") = "9"
    & skf18("2","8","9","10","7","5","1") = "9"
    & skf18("2","8","9","10","7","6","1") = "9"
    & skf18("2","8","9","10","7","7","1") = "9"
    & skf18("2","8","9","10","7","8","1") = "9"
    & skf18("2","8","9","10","7","9","1") = "9"
    & skf18("2","8","9","10","7","10","1") = "9"
    & skf18("2","8","9","10","8","1","1") = "9"
    & skf18("2","8","9","10","8","2","1") = "9"
    & skf18("2","8","9","10","8","3","1") = "9"
    & skf18("2","8","9","10","8","4","1") = "9"
    & skf18("2","8","9","10","8","5","1") = "9"
    & skf18("2","8","9","10","8","6","1") = "9"
    & skf18("2","8","9","10","8","7","1") = "9"
    & skf18("2","8","9","10","8","8","1") = "9"
    & skf18("2","8","9","10","8","9","1") = "9"
    & skf18("2","8","9","10","8","10","1") = "9"
    & skf18("2","8","9","10","9","1","1") = "9"
    & skf18("2","8","9","10","9","2","1") = "9"
    & skf18("2","8","9","10","9","3","1") = "9"
    & skf18("2","8","9","10","9","4","1") = "9"
    & skf18("2","8","9","10","9","5","1") = "9"
    & skf18("2","8","9","10","9","6","1") = "9"
    & skf18("2","8","9","10","9","7","1") = "9"
    & skf18("2","8","9","10","9","8","1") = "9"
    & skf18("2","8","9","10","9","9","1") = "9"
    & skf18("2","8","9","10","9","10","1") = "9"
    & skf18("2","8","9","10","10","1","1") = "9"
    & skf18("2","8","9","10","10","2","1") = "9"
    & skf18("2","8","9","10","10","3","1") = "9"
    & skf18("2","8","9","10","10","4","1") = "9"
    & skf18("2","8","9","10","10","5","1") = "9"
    & skf18("2","8","9","10","10","6","1") = "9"
    & skf18("2","8","9","10","10","7","1") = "9"
    & skf18("2","8","9","10","10","8","1") = "9"
    & skf18("2","8","9","10","10","9","1") = "9"
    & skf18("2","8","9","10","10","10","1") = "9"
    & skf18("2","8","10","1","1","1","1") = "9"
    & skf18("2","8","10","1","1","2","1") = "9"
    & skf18("2","8","10","1","1","3","1") = "9"
    & skf18("2","8","10","1","1","4","1") = "9"
    & skf18("2","8","10","1","1","5","1") = "9"
    & skf18("2","8","10","1","1","6","1") = "9"
    & skf18("2","8","10","1","1","7","1") = "9"
    & skf18("2","8","10","1","1","8","1") = "9"
    & skf18("2","8","10","1","1","9","1") = "9"
    & skf18("2","8","10","1","1","10","1") = "9"
    & skf18("2","8","10","1","2","1","1") = "9"
    & skf18("2","8","10","1","2","2","1") = "9"
    & skf18("2","8","10","1","2","3","1") = "9"
    & skf18("2","8","10","1","2","4","1") = "9"
    & skf18("2","8","10","1","2","5","1") = "9"
    & skf18("2","8","10","1","2","6","1") = "9"
    & skf18("2","8","10","1","2","7","1") = "9"
    & skf18("2","8","10","1","2","8","1") = "9"
    & skf18("2","8","10","1","2","9","1") = "9"
    & skf18("2","8","10","1","2","10","1") = "9"
    & skf18("2","8","10","1","3","1","1") = "9"
    & skf18("2","8","10","1","3","2","1") = "9"
    & skf18("2","8","10","1","3","3","1") = "9"
    & skf18("2","8","10","1","3","4","1") = "9"
    & skf18("2","8","10","1","3","5","1") = "9"
    & skf18("2","8","10","1","3","6","1") = "9"
    & skf18("2","8","10","1","3","7","1") = "9"
    & skf18("2","8","10","1","3","8","1") = "9"
    & skf18("2","8","10","1","3","9","1") = "9"
    & skf18("2","8","10","1","3","10","1") = "9"
    & skf18("2","8","10","1","4","1","1") = "9"
    & skf18("2","8","10","1","4","2","1") = "9"
    & skf18("2","8","10","1","4","3","1") = "9"
    & skf18("2","8","10","1","4","4","1") = "9"
    & skf18("2","8","10","1","4","5","1") = "9"
    & skf18("2","8","10","1","4","6","1") = "9"
    & skf18("2","8","10","1","4","7","1") = "9"
    & skf18("2","8","10","1","4","8","1") = "9"
    & skf18("2","8","10","1","4","9","1") = "9"
    & skf18("2","8","10","1","4","10","1") = "9"
    & skf18("2","8","10","1","5","1","1") = "9"
    & skf18("2","8","10","1","5","2","1") = "9"
    & skf18("2","8","10","1","5","3","1") = "9"
    & skf18("2","8","10","1","5","4","1") = "9"
    & skf18("2","8","10","1","5","5","1") = "9"
    & skf18("2","8","10","1","5","6","1") = "9"
    & skf18("2","8","10","1","5","7","1") = "9"
    & skf18("2","8","10","1","5","8","1") = "9"
    & skf18("2","8","10","1","5","9","1") = "9"
    & skf18("2","8","10","1","5","10","1") = "9"
    & skf18("2","8","10","1","6","1","1") = "9"
    & skf18("2","8","10","1","6","2","1") = "9"
    & skf18("2","8","10","1","6","3","1") = "9"
    & skf18("2","8","10","1","6","4","1") = "9"
    & skf18("2","8","10","1","6","5","1") = "9"
    & skf18("2","8","10","1","6","6","1") = "9"
    & skf18("2","8","10","1","6","7","1") = "9"
    & skf18("2","8","10","1","6","8","1") = "9"
    & skf18("2","8","10","1","6","9","1") = "9"
    & skf18("2","8","10","1","6","10","1") = "9"
    & skf18("2","8","10","1","7","1","1") = "9"
    & skf18("2","8","10","1","7","2","1") = "9"
    & skf18("2","8","10","1","7","3","1") = "9"
    & skf18("2","8","10","1","7","4","1") = "9"
    & skf18("2","8","10","1","7","5","1") = "9"
    & skf18("2","8","10","1","7","6","1") = "9"
    & skf18("2","8","10","1","7","7","1") = "9"
    & skf18("2","8","10","1","7","8","1") = "9"
    & skf18("2","8","10","1","7","9","1") = "9"
    & skf18("2","8","10","1","7","10","1") = "9"
    & skf18("2","8","10","1","8","1","1") = "9"
    & skf18("2","8","10","1","8","2","1") = "9"
    & skf18("2","8","10","1","8","3","1") = "9"
    & skf18("2","8","10","1","8","4","1") = "9"
    & skf18("2","8","10","1","8","5","1") = "9"
    & skf18("2","8","10","1","8","6","1") = "9"
    & skf18("2","8","10","1","8","7","1") = "9"
    & skf18("2","8","10","1","8","8","1") = "9"
    & skf18("2","8","10","1","8","9","1") = "9"
    & skf18("2","8","10","1","8","10","1") = "9"
    & skf18("2","8","10","1","9","1","1") = "9"
    & skf18("2","8","10","1","9","2","1") = "9"
    & skf18("2","8","10","1","9","3","1") = "9"
    & skf18("2","8","10","1","9","4","1") = "9"
    & skf18("2","8","10","1","9","5","1") = "9"
    & skf18("2","8","10","1","9","6","1") = "9"
    & skf18("2","8","10","1","9","7","1") = "9"
    & skf18("2","8","10","1","9","8","1") = "9"
    & skf18("2","8","10","1","9","9","1") = "9"
    & skf18("2","8","10","1","9","10","1") = "9"
    & skf18("2","8","10","1","10","1","1") = "9"
    & skf18("2","8","10","1","10","2","1") = "9"
    & skf18("2","8","10","1","10","3","1") = "9"
    & skf18("2","8","10","1","10","4","1") = "9"
    & skf18("2","8","10","1","10","5","1") = "9"
    & skf18("2","8","10","1","10","6","1") = "9"
    & skf18("2","8","10","1","10","7","1") = "9"
    & skf18("2","8","10","1","10","8","1") = "9"
    & skf18("2","8","10","1","10","9","1") = "9"
    & skf18("2","8","10","1","10","10","1") = "9"
    & skf18("2","8","10","2","1","1","1") = "9"
    & skf18("2","8","10","2","1","2","1") = "9"
    & skf18("2","8","10","2","1","3","1") = "9"
    & skf18("2","8","10","2","1","4","1") = "9"
    & skf18("2","8","10","2","1","5","1") = "9"
    & skf18("2","8","10","2","1","6","1") = "9"
    & skf18("2","8","10","2","1","7","1") = "9"
    & skf18("2","8","10","2","1","8","1") = "9"
    & skf18("2","8","10","2","1","9","1") = "9"
    & skf18("2","8","10","2","1","10","1") = "9"
    & skf18("2","8","10","2","2","1","1") = "9"
    & skf18("2","8","10","2","2","2","1") = "9"
    & skf18("2","8","10","2","2","3","1") = "9"
    & skf18("2","8","10","2","2","4","1") = "9"
    & skf18("2","8","10","2","2","5","1") = "9"
    & skf18("2","8","10","2","2","6","1") = "9"
    & skf18("2","8","10","2","2","7","1") = "9"
    & skf18("2","8","10","2","2","8","1") = "9"
    & skf18("2","8","10","2","2","9","1") = "9"
    & skf18("2","8","10","2","2","10","1") = "9"
    & skf18("2","8","10","2","3","1","1") = "9"
    & skf18("2","8","10","2","3","2","1") = "9"
    & skf18("2","8","10","2","3","3","1") = "9"
    & skf18("2","8","10","2","3","4","1") = "9"
    & skf18("2","8","10","2","3","5","1") = "9"
    & skf18("2","8","10","2","3","6","1") = "9"
    & skf18("2","8","10","2","3","7","1") = "9"
    & skf18("2","8","10","2","3","8","1") = "9"
    & skf18("2","8","10","2","3","9","1") = "9"
    & skf18("2","8","10","2","3","10","1") = "9"
    & skf18("2","8","10","2","4","1","1") = "9"
    & skf18("2","8","10","2","4","2","1") = "9"
    & skf18("2","8","10","2","4","3","1") = "9"
    & skf18("2","8","10","2","4","4","1") = "9"
    & skf18("2","8","10","2","4","5","1") = "9"
    & skf18("2","8","10","2","4","6","1") = "9"
    & skf18("2","8","10","2","4","7","1") = "9"
    & skf18("2","8","10","2","4","8","1") = "9"
    & skf18("2","8","10","2","4","9","1") = "9"
    & skf18("2","8","10","2","4","10","1") = "9"
    & skf18("2","8","10","2","5","1","1") = "9"
    & skf18("2","8","10","2","5","2","1") = "9"
    & skf18("2","8","10","2","5","3","1") = "9"
    & skf18("2","8","10","2","5","4","1") = "9"
    & skf18("2","8","10","2","5","5","1") = "9"
    & skf18("2","8","10","2","5","6","1") = "9"
    & skf18("2","8","10","2","5","7","1") = "9"
    & skf18("2","8","10","2","5","8","1") = "9"
    & skf18("2","8","10","2","5","9","1") = "9"
    & skf18("2","8","10","2","5","10","1") = "9"
    & skf18("2","8","10","2","6","1","1") = "9"
    & skf18("2","8","10","2","6","2","1") = "9"
    & skf18("2","8","10","2","6","3","1") = "9"
    & skf18("2","8","10","2","6","4","1") = "9"
    & skf18("2","8","10","2","6","5","1") = "9"
    & skf18("2","8","10","2","6","6","1") = "9"
    & skf18("2","8","10","2","6","7","1") = "9"
    & skf18("2","8","10","2","6","8","1") = "9"
    & skf18("2","8","10","2","6","9","1") = "9"
    & skf18("2","8","10","2","6","10","1") = "9"
    & skf18("2","8","10","2","7","1","1") = "9"
    & skf18("2","8","10","2","7","2","1") = "9"
    & skf18("2","8","10","2","7","3","1") = "9"
    & skf18("2","8","10","2","7","4","1") = "9"
    & skf18("2","8","10","2","7","5","1") = "9"
    & skf18("2","8","10","2","7","6","1") = "9"
    & skf18("2","8","10","2","7","7","1") = "9"
    & skf18("2","8","10","2","7","8","1") = "9"
    & skf18("2","8","10","2","7","9","1") = "9"
    & skf18("2","8","10","2","7","10","1") = "9"
    & skf18("2","8","10","2","8","1","1") = "9"
    & skf18("2","8","10","2","8","2","1") = "9"
    & skf18("2","8","10","2","8","3","1") = "9"
    & skf18("2","8","10","2","8","4","1") = "9"
    & skf18("2","8","10","2","8","5","1") = "9"
    & skf18("2","8","10","2","8","6","1") = "9"
    & skf18("2","8","10","2","8","7","1") = "9"
    & skf18("2","8","10","2","8","8","1") = "9"
    & skf18("2","8","10","2","8","9","1") = "9"
    & skf18("2","8","10","2","8","10","1") = "9"
    & skf18("2","8","10","2","9","1","1") = "9"
    & skf18("2","8","10","2","9","2","1") = "9"
    & skf18("2","8","10","2","9","3","1") = "9"
    & skf18("2","8","10","2","9","4","1") = "9"
    & skf18("2","8","10","2","9","5","1") = "9"
    & skf18("2","8","10","2","9","6","1") = "9"
    & skf18("2","8","10","2","9","7","1") = "9"
    & skf18("2","8","10","2","9","8","1") = "9"
    & skf18("2","8","10","2","9","9","1") = "9"
    & skf18("2","8","10","2","9","10","1") = "9"
    & skf18("2","8","10","2","10","1","1") = "9"
    & skf18("2","8","10","2","10","2","1") = "9"
    & skf18("2","8","10","2","10","3","1") = "9"
    & skf18("2","8","10","2","10","4","1") = "9"
    & skf18("2","8","10","2","10","5","1") = "9"
    & skf18("2","8","10","2","10","6","1") = "9"
    & skf18("2","8","10","2","10","7","1") = "9"
    & skf18("2","8","10","2","10","8","1") = "9"
    & skf18("2","8","10","2","10","9","1") = "9"
    & skf18("2","8","10","2","10","10","1") = "9"
    & skf18("2","8","10","3","1","1","1") = "9"
    & skf18("2","8","10","3","1","2","1") = "9"
    & skf18("2","8","10","3","1","3","1") = "9"
    & skf18("2","8","10","3","1","4","1") = "9"
    & skf18("2","8","10","3","1","5","1") = "9"
    & skf18("2","8","10","3","1","6","1") = "9"
    & skf18("2","8","10","3","1","7","1") = "9"
    & skf18("2","8","10","3","1","8","1") = "9"
    & skf18("2","8","10","3","1","9","1") = "9"
    & skf18("2","8","10","3","1","10","1") = "9"
    & skf18("2","8","10","3","2","1","1") = "9"
    & skf18("2","8","10","3","2","2","1") = "9"
    & skf18("2","8","10","3","2","3","1") = "9"
    & skf18("2","8","10","3","2","4","1") = "9"
    & skf18("2","8","10","3","2","5","1") = "9"
    & skf18("2","8","10","3","2","6","1") = "9"
    & skf18("2","8","10","3","2","7","1") = "9"
    & skf18("2","8","10","3","2","8","1") = "9"
    & skf18("2","8","10","3","2","9","1") = "9"
    & skf18("2","8","10","3","2","10","1") = "9"
    & skf18("2","8","10","3","3","1","1") = "9"
    & skf18("2","8","10","3","3","2","1") = "9"
    & skf18("2","8","10","3","3","3","1") = "9"
    & skf18("2","8","10","3","3","4","1") = "9"
    & skf18("2","8","10","3","3","5","1") = "9"
    & skf18("2","8","10","3","3","6","1") = "9"
    & skf18("2","8","10","3","3","7","1") = "9"
    & skf18("2","8","10","3","3","8","1") = "9"
    & skf18("2","8","10","3","3","9","1") = "9"
    & skf18("2","8","10","3","3","10","1") = "9"
    & skf18("2","8","10","3","4","1","1") = "9"
    & skf18("2","8","10","3","4","2","1") = "9"
    & skf18("2","8","10","3","4","3","1") = "9"
    & skf18("2","8","10","3","4","4","1") = "9"
    & skf18("2","8","10","3","4","5","1") = "9"
    & skf18("2","8","10","3","4","6","1") = "9"
    & skf18("2","8","10","3","4","7","1") = "9"
    & skf18("2","8","10","3","4","8","1") = "9"
    & skf18("2","8","10","3","4","9","1") = "9"
    & skf18("2","8","10","3","4","10","1") = "9"
    & skf18("2","8","10","3","5","1","1") = "9"
    & skf18("2","8","10","3","5","2","1") = "9"
    & skf18("2","8","10","3","5","3","1") = "9"
    & skf18("2","8","10","3","5","4","1") = "9"
    & skf18("2","8","10","3","5","5","1") = "9"
    & skf18("2","8","10","3","5","6","1") = "9"
    & skf18("2","8","10","3","5","7","1") = "9"
    & skf18("2","8","10","3","5","8","1") = "9"
    & skf18("2","8","10","3","5","9","1") = "9"
    & skf18("2","8","10","3","5","10","1") = "9"
    & skf18("2","8","10","3","6","1","1") = "9"
    & skf18("2","8","10","3","6","2","1") = "9"
    & skf18("2","8","10","3","6","3","1") = "9"
    & skf18("2","8","10","3","6","4","1") = "9"
    & skf18("2","8","10","3","6","5","1") = "9"
    & skf18("2","8","10","3","6","6","1") = "9"
    & skf18("2","8","10","3","6","7","1") = "9"
    & skf18("2","8","10","3","6","8","1") = "9"
    & skf18("2","8","10","3","6","9","1") = "9"
    & skf18("2","8","10","3","6","10","1") = "9"
    & skf18("2","8","10","3","7","1","1") = "9"
    & skf18("2","8","10","3","7","2","1") = "9"
    & skf18("2","8","10","3","7","3","1") = "9"
    & skf18("2","8","10","3","7","4","1") = "9"
    & skf18("2","8","10","3","7","5","1") = "9"
    & skf18("2","8","10","3","7","6","1") = "9"
    & skf18("2","8","10","3","7","7","1") = "9"
    & skf18("2","8","10","3","7","8","1") = "9"
    & skf18("2","8","10","3","7","9","1") = "9"
    & skf18("2","8","10","3","7","10","1") = "9"
    & skf18("2","8","10","3","8","1","1") = "9"
    & skf18("2","8","10","3","8","2","1") = "9"
    & skf18("2","8","10","3","8","3","1") = "9"
    & skf18("2","8","10","3","8","4","1") = "9"
    & skf18("2","8","10","3","8","5","1") = "9"
    & skf18("2","8","10","3","8","6","1") = "9"
    & skf18("2","8","10","3","8","7","1") = "9"
    & skf18("2","8","10","3","8","8","1") = "9"
    & skf18("2","8","10","3","8","9","1") = "9"
    & skf18("2","8","10","3","8","10","1") = "9"
    & skf18("2","8","10","3","9","1","1") = "9"
    & skf18("2","8","10","3","9","2","1") = "9"
    & skf18("2","8","10","3","9","3","1") = "9"
    & skf18("2","8","10","3","9","4","1") = "9"
    & skf18("2","8","10","3","9","5","1") = "9"
    & skf18("2","8","10","3","9","6","1") = "9"
    & skf18("2","8","10","3","9","7","1") = "9"
    & skf18("2","8","10","3","9","8","1") = "9"
    & skf18("2","8","10","3","9","9","1") = "9"
    & skf18("2","8","10","3","9","10","1") = "9"
    & skf18("2","8","10","3","10","1","1") = "9"
    & skf18("2","8","10","3","10","2","1") = "9"
    & skf18("2","8","10","3","10","3","1") = "9"
    & skf18("2","8","10","3","10","4","1") = "9"
    & skf18("2","8","10","3","10","5","1") = "9"
    & skf18("2","8","10","3","10","6","1") = "9"
    & skf18("2","8","10","3","10","7","1") = "9"
    & skf18("2","8","10","3","10","8","1") = "9"
    & skf18("2","8","10","3","10","9","1") = "9"
    & skf18("2","8","10","3","10","10","1") = "9"
    & skf18("2","8","10","4","1","1","1") = "9"
    & skf18("2","8","10","4","1","2","1") = "9"
    & skf18("2","8","10","4","1","3","1") = "9"
    & skf18("2","8","10","4","1","4","1") = "9"
    & skf18("2","8","10","4","1","5","1") = "9"
    & skf18("2","8","10","4","1","6","1") = "9"
    & skf18("2","8","10","4","1","7","1") = "9"
    & skf18("2","8","10","4","1","8","1") = "9"
    & skf18("2","8","10","4","1","9","1") = "9"
    & skf18("2","8","10","4","1","10","1") = "9"
    & skf18("2","8","10","4","2","1","1") = "9"
    & skf18("2","8","10","4","2","2","1") = "9"
    & skf18("2","8","10","4","2","3","1") = "9"
    & skf18("2","8","10","4","2","4","1") = "9"
    & skf18("2","8","10","4","2","5","1") = "9"
    & skf18("2","8","10","4","2","6","1") = "9"
    & skf18("2","8","10","4","2","7","1") = "9"
    & skf18("2","8","10","4","2","8","1") = "9"
    & skf18("2","8","10","4","2","9","1") = "9"
    & skf18("2","8","10","4","2","10","1") = "9"
    & skf18("2","8","10","4","3","1","1") = "9"
    & skf18("2","8","10","4","3","2","1") = "9"
    & skf18("2","8","10","4","3","3","1") = "9"
    & skf18("2","8","10","4","3","4","1") = "9"
    & skf18("2","8","10","4","3","5","1") = "9"
    & skf18("2","8","10","4","3","6","1") = "9"
    & skf18("2","8","10","4","3","7","1") = "9"
    & skf18("2","8","10","4","3","8","1") = "9"
    & skf18("2","8","10","4","3","9","1") = "9"
    & skf18("2","8","10","4","3","10","1") = "9"
    & skf18("2","8","10","4","4","1","1") = "9"
    & skf18("2","8","10","4","4","2","1") = "9"
    & skf18("2","8","10","4","4","3","1") = "9"
    & skf18("2","8","10","4","4","4","1") = "9"
    & skf18("2","8","10","4","4","5","1") = "9"
    & skf18("2","8","10","4","4","6","1") = "9"
    & skf18("2","8","10","4","4","7","1") = "9"
    & skf18("2","8","10","4","4","8","1") = "9"
    & skf18("2","8","10","4","4","9","1") = "9"
    & skf18("2","8","10","4","4","10","1") = "9"
    & skf18("2","8","10","4","5","1","1") = "9"
    & skf18("2","8","10","4","5","2","1") = "9"
    & skf18("2","8","10","4","5","3","1") = "9"
    & skf18("2","8","10","4","5","4","1") = "9"
    & skf18("2","8","10","4","5","5","1") = "9"
    & skf18("2","8","10","4","5","6","1") = "9"
    & skf18("2","8","10","4","5","7","1") = "9"
    & skf18("2","8","10","4","5","8","1") = "9"
    & skf18("2","8","10","4","5","9","1") = "9"
    & skf18("2","8","10","4","5","10","1") = "9"
    & skf18("2","8","10","4","6","1","1") = "9"
    & skf18("2","8","10","4","6","2","1") = "9"
    & skf18("2","8","10","4","6","3","1") = "9"
    & skf18("2","8","10","4","6","4","1") = "9"
    & skf18("2","8","10","4","6","5","1") = "9"
    & skf18("2","8","10","4","6","6","1") = "9"
    & skf18("2","8","10","4","6","7","1") = "9"
    & skf18("2","8","10","4","6","8","1") = "9"
    & skf18("2","8","10","4","6","9","1") = "9"
    & skf18("2","8","10","4","6","10","1") = "9"
    & skf18("2","8","10","4","7","1","1") = "9"
    & skf18("2","8","10","4","7","2","1") = "9"
    & skf18("2","8","10","4","7","3","1") = "9"
    & skf18("2","8","10","4","7","4","1") = "9"
    & skf18("2","8","10","4","7","5","1") = "9"
    & skf18("2","8","10","4","7","6","1") = "9"
    & skf18("2","8","10","4","7","7","1") = "9"
    & skf18("2","8","10","4","7","8","1") = "9"
    & skf18("2","8","10","4","7","9","1") = "9"
    & skf18("2","8","10","4","7","10","1") = "9"
    & skf18("2","8","10","4","8","1","1") = "9"
    & skf18("2","8","10","4","8","2","1") = "9"
    & skf18("2","8","10","4","8","3","1") = "9"
    & skf18("2","8","10","4","8","4","1") = "9"
    & skf18("2","8","10","4","8","5","1") = "9"
    & skf18("2","8","10","4","8","6","1") = "9"
    & skf18("2","8","10","4","8","7","1") = "9"
    & skf18("2","8","10","4","8","8","1") = "9"
    & skf18("2","8","10","4","8","9","1") = "9"
    & skf18("2","8","10","4","8","10","1") = "9"
    & skf18("2","8","10","4","9","1","1") = "9"
    & skf18("2","8","10","4","9","2","1") = "9"
    & skf18("2","8","10","4","9","3","1") = "9"
    & skf18("2","8","10","4","9","4","1") = "9"
    & skf18("2","8","10","4","9","5","1") = "9"
    & skf18("2","8","10","4","9","6","1") = "9"
    & skf18("2","8","10","4","9","7","1") = "9"
    & skf18("2","8","10","4","9","8","1") = "9"
    & skf18("2","8","10","4","9","9","1") = "9"
    & skf18("2","8","10","4","9","10","1") = "9"
    & skf18("2","8","10","4","10","1","1") = "9"
    & skf18("2","8","10","4","10","2","1") = "9"
    & skf18("2","8","10","4","10","3","1") = "9"
    & skf18("2","8","10","4","10","4","1") = "9"
    & skf18("2","8","10","4","10","5","1") = "9"
    & skf18("2","8","10","4","10","6","1") = "9"
    & skf18("2","8","10","4","10","7","1") = "9"
    & skf18("2","8","10","4","10","8","1") = "9"
    & skf18("2","8","10","4","10","9","1") = "9"
    & skf18("2","8","10","4","10","10","1") = "9"
    & skf18("2","8","10","5","1","1","1") = "9"
    & skf18("2","8","10","5","1","2","1") = "9"
    & skf18("2","8","10","5","1","3","1") = "9"
    & skf18("2","8","10","5","1","4","1") = "9"
    & skf18("2","8","10","5","1","5","1") = "9"
    & skf18("2","8","10","5","1","6","1") = "9"
    & skf18("2","8","10","5","1","7","1") = "9"
    & skf18("2","8","10","5","1","8","1") = "9"
    & skf18("2","8","10","5","1","9","1") = "9"
    & skf18("2","8","10","5","1","10","1") = "9"
    & skf18("2","8","10","5","2","1","1") = "9"
    & skf18("2","8","10","5","2","2","1") = "9"
    & skf18("2","8","10","5","2","3","1") = "9"
    & skf18("2","8","10","5","2","4","1") = "9"
    & skf18("2","8","10","5","2","5","1") = "9"
    & skf18("2","8","10","5","2","6","1") = "9"
    & skf18("2","8","10","5","2","7","1") = "9"
    & skf18("2","8","10","5","2","8","1") = "9"
    & skf18("2","8","10","5","2","9","1") = "9"
    & skf18("2","8","10","5","2","10","1") = "9"
    & skf18("2","8","10","5","3","1","1") = "9"
    & skf18("2","8","10","5","3","2","1") = "9"
    & skf18("2","8","10","5","3","3","1") = "9"
    & skf18("2","8","10","5","3","4","1") = "9"
    & skf18("2","8","10","5","3","5","1") = "9"
    & skf18("2","8","10","5","3","6","1") = "9"
    & skf18("2","8","10","5","3","7","1") = "9"
    & skf18("2","8","10","5","3","8","1") = "9"
    & skf18("2","8","10","5","3","9","1") = "9"
    & skf18("2","8","10","5","3","10","1") = "9"
    & skf18("2","8","10","5","4","1","1") = "9"
    & skf18("2","8","10","5","4","2","1") = "9"
    & skf18("2","8","10","5","4","3","1") = "9"
    & skf18("2","8","10","5","4","4","1") = "9"
    & skf18("2","8","10","5","4","5","1") = "9"
    & skf18("2","8","10","5","4","6","1") = "9"
    & skf18("2","8","10","5","4","7","1") = "9"
    & skf18("2","8","10","5","4","8","1") = "9"
    & skf18("2","8","10","5","4","9","1") = "9"
    & skf18("2","8","10","5","4","10","1") = "9"
    & skf18("2","8","10","5","5","1","1") = "9"
    & skf18("2","8","10","5","5","2","1") = "9"
    & skf18("2","8","10","5","5","3","1") = "9"
    & skf18("2","8","10","5","5","4","1") = "9"
    & skf18("2","8","10","5","5","5","1") = "9"
    & skf18("2","8","10","5","5","6","1") = "9"
    & skf18("2","8","10","5","5","7","1") = "9"
    & skf18("2","8","10","5","5","8","1") = "9"
    & skf18("2","8","10","5","5","9","1") = "9"
    & skf18("2","8","10","5","5","10","1") = "9"
    & skf18("2","8","10","5","6","1","1") = "9"
    & skf18("2","8","10","5","6","2","1") = "9"
    & skf18("2","8","10","5","6","3","1") = "9"
    & skf18("2","8","10","5","6","4","1") = "9"
    & skf18("2","8","10","5","6","5","1") = "9"
    & skf18("2","8","10","5","6","6","1") = "9"
    & skf18("2","8","10","5","6","7","1") = "9"
    & skf18("2","8","10","5","6","8","1") = "9"
    & skf18("2","8","10","5","6","9","1") = "9"
    & skf18("2","8","10","5","6","10","1") = "9"
    & skf18("2","8","10","5","7","1","1") = "9"
    & skf18("2","8","10","5","7","2","1") = "9"
    & skf18("2","8","10","5","7","3","1") = "9"
    & skf18("2","8","10","5","7","4","1") = "9"
    & skf18("2","8","10","5","7","5","1") = "9"
    & skf18("2","8","10","5","7","6","1") = "9"
    & skf18("2","8","10","5","7","7","1") = "9"
    & skf18("2","8","10","5","7","8","1") = "9"
    & skf18("2","8","10","5","7","9","1") = "9"
    & skf18("2","8","10","5","7","10","1") = "9"
    & skf18("2","8","10","5","8","1","1") = "9"
    & skf18("2","8","10","5","8","2","1") = "9"
    & skf18("2","8","10","5","8","3","1") = "9"
    & skf18("2","8","10","5","8","4","1") = "9"
    & skf18("2","8","10","5","8","5","1") = "9"
    & skf18("2","8","10","5","8","6","1") = "9"
    & skf18("2","8","10","5","8","7","1") = "9"
    & skf18("2","8","10","5","8","8","1") = "9"
    & skf18("2","8","10","5","8","9","1") = "9"
    & skf18("2","8","10","5","8","10","1") = "9"
    & skf18("2","8","10","5","9","1","1") = "9"
    & skf18("2","8","10","5","9","2","1") = "9"
    & skf18("2","8","10","5","9","3","1") = "9"
    & skf18("2","8","10","5","9","4","1") = "9"
    & skf18("2","8","10","5","9","5","1") = "9"
    & skf18("2","8","10","5","9","6","1") = "9"
    & skf18("2","8","10","5","9","7","1") = "9"
    & skf18("2","8","10","5","9","8","1") = "9"
    & skf18("2","8","10","5","9","9","1") = "9"
    & skf18("2","8","10","5","9","10","1") = "9"
    & skf18("2","8","10","5","10","1","1") = "9"
    & skf18("2","8","10","5","10","2","1") = "9"
    & skf18("2","8","10","5","10","3","1") = "9"
    & skf18("2","8","10","5","10","4","1") = "9"
    & skf18("2","8","10","5","10","5","1") = "9"
    & skf18("2","8","10","5","10","6","1") = "9"
    & skf18("2","8","10","5","10","7","1") = "9"
    & skf18("2","8","10","5","10","8","1") = "9"
    & skf18("2","8","10","5","10","9","1") = "9"
    & skf18("2","8","10","5","10","10","1") = "9"
    & skf18("2","8","10","6","1","1","1") = "9"
    & skf18("2","8","10","6","1","2","1") = "9"
    & skf18("2","8","10","6","1","3","1") = "9"
    & skf18("2","8","10","6","1","4","1") = "9"
    & skf18("2","8","10","6","1","5","1") = "9"
    & skf18("2","8","10","6","1","6","1") = "9"
    & skf18("2","8","10","6","1","7","1") = "9"
    & skf18("2","8","10","6","1","8","1") = "9"
    & skf18("2","8","10","6","1","9","1") = "9"
    & skf18("2","8","10","6","1","10","1") = "9"
    & skf18("2","8","10","6","2","1","1") = "9"
    & skf18("2","8","10","6","2","2","1") = "9"
    & skf18("2","8","10","6","2","3","1") = "9"
    & skf18("2","8","10","6","2","4","1") = "9"
    & skf18("2","8","10","6","2","5","1") = "9"
    & skf18("2","8","10","6","2","6","1") = "9"
    & skf18("2","8","10","6","2","7","1") = "9"
    & skf18("2","8","10","6","2","8","1") = "9"
    & skf18("2","8","10","6","2","9","1") = "9"
    & skf18("2","8","10","6","2","10","1") = "9"
    & skf18("2","8","10","6","3","1","1") = "9"
    & skf18("2","8","10","6","3","2","1") = "9"
    & skf18("2","8","10","6","3","3","1") = "9"
    & skf18("2","8","10","6","3","4","1") = "9"
    & skf18("2","8","10","6","3","5","1") = "9"
    & skf18("2","8","10","6","3","6","1") = "9"
    & skf18("2","8","10","6","3","7","1") = "9"
    & skf18("2","8","10","6","3","8","1") = "9"
    & skf18("2","8","10","6","3","9","1") = "9"
    & skf18("2","8","10","6","3","10","1") = "9"
    & skf18("2","8","10","6","4","1","1") = "9"
    & skf18("2","8","10","6","4","2","1") = "9"
    & skf18("2","8","10","6","4","3","1") = "9"
    & skf18("2","8","10","6","4","4","1") = "9"
    & skf18("2","8","10","6","4","5","1") = "9"
    & skf18("2","8","10","6","4","6","1") = "9"
    & skf18("2","8","10","6","4","7","1") = "9"
    & skf18("2","8","10","6","4","8","1") = "9"
    & skf18("2","8","10","6","4","9","1") = "9"
    & skf18("2","8","10","6","4","10","1") = "9"
    & skf18("2","8","10","6","5","1","1") = "9"
    & skf18("2","8","10","6","5","2","1") = "9"
    & skf18("2","8","10","6","5","3","1") = "9"
    & skf18("2","8","10","6","5","4","1") = "9"
    & skf18("2","8","10","6","5","5","1") = "9"
    & skf18("2","8","10","6","5","6","1") = "9"
    & skf18("2","8","10","6","5","7","1") = "9"
    & skf18("2","8","10","6","5","8","1") = "9"
    & skf18("2","8","10","6","5","9","1") = "9"
    & skf18("2","8","10","6","5","10","1") = "9"
    & skf18("2","8","10","6","6","1","1") = "9"
    & skf18("2","8","10","6","6","2","1") = "9"
    & skf18("2","8","10","6","6","3","1") = "9"
    & skf18("2","8","10","6","6","4","1") = "9"
    & skf18("2","8","10","6","6","5","1") = "9"
    & skf18("2","8","10","6","6","6","1") = "9"
    & skf18("2","8","10","6","6","7","1") = "9"
    & skf18("2","8","10","6","6","8","1") = "9"
    & skf18("2","8","10","6","6","9","1") = "9"
    & skf18("2","8","10","6","6","10","1") = "9"
    & skf18("2","8","10","6","7","1","1") = "9"
    & skf18("2","8","10","6","7","2","1") = "9"
    & skf18("2","8","10","6","7","3","1") = "9"
    & skf18("2","8","10","6","7","4","1") = "9"
    & skf18("2","8","10","6","7","5","1") = "9"
    & skf18("2","8","10","6","7","6","1") = "9"
    & skf18("2","8","10","6","7","7","1") = "9"
    & skf18("2","8","10","6","7","8","1") = "9"
    & skf18("2","8","10","6","7","9","1") = "9"
    & skf18("2","8","10","6","7","10","1") = "9"
    & skf18("2","8","10","6","8","1","1") = "9"
    & skf18("2","8","10","6","8","2","1") = "9"
    & skf18("2","8","10","6","8","3","1") = "9"
    & skf18("2","8","10","6","8","4","1") = "9"
    & skf18("2","8","10","6","8","5","1") = "9"
    & skf18("2","8","10","6","8","6","1") = "9"
    & skf18("2","8","10","6","8","7","1") = "9"
    & skf18("2","8","10","6","8","8","1") = "9"
    & skf18("2","8","10","6","8","9","1") = "9"
    & skf18("2","8","10","6","8","10","1") = "9"
    & skf18("2","8","10","6","9","1","1") = "9"
    & skf18("2","8","10","6","9","2","1") = "9"
    & skf18("2","8","10","6","9","3","1") = "9"
    & skf18("2","8","10","6","9","4","1") = "9"
    & skf18("2","8","10","6","9","5","1") = "9"
    & skf18("2","8","10","6","9","6","1") = "9"
    & skf18("2","8","10","6","9","7","1") = "9"
    & skf18("2","8","10","6","9","8","1") = "9"
    & skf18("2","8","10","6","9","9","1") = "9"
    & skf18("2","8","10","6","9","10","1") = "9"
    & skf18("2","8","10","6","10","1","1") = "9"
    & skf18("2","8","10","6","10","2","1") = "9"
    & skf18("2","8","10","6","10","3","1") = "9"
    & skf18("2","8","10","6","10","4","1") = "9"
    & skf18("2","8","10","6","10","5","1") = "9"
    & skf18("2","8","10","6","10","6","1") = "9"
    & skf18("2","8","10","6","10","7","1") = "9"
    & skf18("2","8","10","6","10","8","1") = "9"
    & skf18("2","8","10","6","10","9","1") = "9"
    & skf18("2","8","10","6","10","10","1") = "9"
    & skf18("2","8","10","7","1","1","1") = "9"
    & skf18("2","8","10","7","1","2","1") = "9"
    & skf18("2","8","10","7","1","3","1") = "9"
    & skf18("2","8","10","7","1","4","1") = "9"
    & skf18("2","8","10","7","1","5","1") = "9"
    & skf18("2","8","10","7","1","6","1") = "9"
    & skf18("2","8","10","7","1","7","1") = "9"
    & skf18("2","8","10","7","1","8","1") = "9"
    & skf18("2","8","10","7","1","9","1") = "9"
    & skf18("2","8","10","7","1","10","1") = "9"
    & skf18("2","8","10","7","2","1","1") = "9"
    & skf18("2","8","10","7","2","2","1") = "9"
    & skf18("2","8","10","7","2","3","1") = "9"
    & skf18("2","8","10","7","2","4","1") = "9"
    & skf18("2","8","10","7","2","5","1") = "9"
    & skf18("2","8","10","7","2","6","1") = "9"
    & skf18("2","8","10","7","2","7","1") = "9"
    & skf18("2","8","10","7","2","8","1") = "9"
    & skf18("2","8","10","7","2","9","1") = "9"
    & skf18("2","8","10","7","2","10","1") = "9"
    & skf18("2","8","10","7","3","1","1") = "9"
    & skf18("2","8","10","7","3","2","1") = "9"
    & skf18("2","8","10","7","3","3","1") = "9"
    & skf18("2","8","10","7","3","4","1") = "9"
    & skf18("2","8","10","7","3","5","1") = "9"
    & skf18("2","8","10","7","3","6","1") = "9"
    & skf18("2","8","10","7","3","7","1") = "9"
    & skf18("2","8","10","7","3","8","1") = "9"
    & skf18("2","8","10","7","3","9","1") = "9"
    & skf18("2","8","10","7","3","10","1") = "9"
    & skf18("2","8","10","7","4","1","1") = "9"
    & skf18("2","8","10","7","4","2","1") = "9"
    & skf18("2","8","10","7","4","3","1") = "9"
    & skf18("2","8","10","7","4","4","1") = "9"
    & skf18("2","8","10","7","4","5","1") = "9"
    & skf18("2","8","10","7","4","6","1") = "9"
    & skf18("2","8","10","7","4","7","1") = "9"
    & skf18("2","8","10","7","4","8","1") = "9"
    & skf18("2","8","10","7","4","9","1") = "9"
    & skf18("2","8","10","7","4","10","1") = "9"
    & skf18("2","8","10","7","5","1","1") = "9"
    & skf18("2","8","10","7","5","2","1") = "9"
    & skf18("2","8","10","7","5","3","1") = "9"
    & skf18("2","8","10","7","5","4","1") = "9"
    & skf18("2","8","10","7","5","5","1") = "9"
    & skf18("2","8","10","7","5","6","1") = "9"
    & skf18("2","8","10","7","5","7","1") = "9"
    & skf18("2","8","10","7","5","8","1") = "9"
    & skf18("2","8","10","7","5","9","1") = "9"
    & skf18("2","8","10","7","5","10","1") = "9"
    & skf18("2","8","10","7","6","1","1") = "9"
    & skf18("2","8","10","7","6","2","1") = "9"
    & skf18("2","8","10","7","6","3","1") = "9"
    & skf18("2","8","10","7","6","4","1") = "9"
    & skf18("2","8","10","7","6","5","1") = "9"
    & skf18("2","8","10","7","6","6","1") = "9"
    & skf18("2","8","10","7","6","7","1") = "9"
    & skf18("2","8","10","7","6","8","1") = "9"
    & skf18("2","8","10","7","6","9","1") = "9"
    & skf18("2","8","10","7","6","10","1") = "9"
    & skf18("2","8","10","7","7","1","1") = "9"
    & skf18("2","8","10","7","7","2","1") = "9"
    & skf18("2","8","10","7","7","3","1") = "9"
    & skf18("2","8","10","7","7","4","1") = "9"
    & skf18("2","8","10","7","7","5","1") = "9"
    & skf18("2","8","10","7","7","6","1") = "9"
    & skf18("2","8","10","7","7","7","1") = "9"
    & skf18("2","8","10","7","7","8","1") = "9"
    & skf18("2","8","10","7","7","9","1") = "9"
    & skf18("2","8","10","7","7","10","1") = "9"
    & skf18("2","8","10","7","8","1","1") = "9"
    & skf18("2","8","10","7","8","2","1") = "9"
    & skf18("2","8","10","7","8","3","1") = "9"
    & skf18("2","8","10","7","8","4","1") = "9"
    & skf18("2","8","10","7","8","5","1") = "9"
    & skf18("2","8","10","7","8","6","1") = "9"
    & skf18("2","8","10","7","8","7","1") = "9"
    & skf18("2","8","10","7","8","8","1") = "9"
    & skf18("2","8","10","7","8","9","1") = "9"
    & skf18("2","8","10","7","8","10","1") = "9"
    & skf18("2","8","10","7","9","1","1") = "9"
    & skf18("2","8","10","7","9","2","1") = "9"
    & skf18("2","8","10","7","9","3","1") = "9"
    & skf18("2","8","10","7","9","4","1") = "9"
    & skf18("2","8","10","7","9","5","1") = "9"
    & skf18("2","8","10","7","9","6","1") = "9"
    & skf18("2","8","10","7","9","7","1") = "9"
    & skf18("2","8","10","7","9","8","1") = "9"
    & skf18("2","8","10","7","9","9","1") = "9"
    & skf18("2","8","10","7","9","10","1") = "9"
    & skf18("2","8","10","7","10","1","1") = "9"
    & skf18("2","8","10","7","10","2","1") = "9"
    & skf18("2","8","10","7","10","3","1") = "9"
    & skf18("2","8","10","7","10","4","1") = "9"
    & skf18("2","8","10","7","10","5","1") = "9"
    & skf18("2","8","10","7","10","6","1") = "9"
    & skf18("2","8","10","7","10","7","1") = "9"
    & skf18("2","8","10","7","10","8","1") = "9"
    & skf18("2","8","10","7","10","9","1") = "9"
    & skf18("2","8","10","7","10","10","1") = "9"
    & skf18("2","8","10","8","1","1","1") = "9"
    & skf18("2","8","10","8","1","2","1") = "9"
    & skf18("2","8","10","8","1","3","1") = "9"
    & skf18("2","8","10","8","1","4","1") = "9"
    & skf18("2","8","10","8","1","5","1") = "9"
    & skf18("2","8","10","8","1","6","1") = "9"
    & skf18("2","8","10","8","1","7","1") = "9"
    & skf18("2","8","10","8","1","8","1") = "9"
    & skf18("2","8","10","8","1","9","1") = "9"
    & skf18("2","8","10","8","1","10","1") = "9"
    & skf18("2","8","10","8","2","1","1") = "9"
    & skf18("2","8","10","8","2","2","1") = "9"
    & skf18("2","8","10","8","2","3","1") = "9"
    & skf18("2","8","10","8","2","4","1") = "9"
    & skf18("2","8","10","8","2","5","1") = "9"
    & skf18("2","8","10","8","2","6","1") = "9"
    & skf18("2","8","10","8","2","7","1") = "9"
    & skf18("2","8","10","8","2","8","1") = "9"
    & skf18("2","8","10","8","2","9","1") = "9"
    & skf18("2","8","10","8","2","10","1") = "9"
    & skf18("2","8","10","8","3","1","1") = "9"
    & skf18("2","8","10","8","3","2","1") = "9"
    & skf18("2","8","10","8","3","3","1") = "9"
    & skf18("2","8","10","8","3","4","1") = "9"
    & skf18("2","8","10","8","3","5","1") = "9"
    & skf18("2","8","10","8","3","6","1") = "9"
    & skf18("2","8","10","8","3","7","1") = "9"
    & skf18("2","8","10","8","3","8","1") = "9"
    & skf18("2","8","10","8","3","9","1") = "9"
    & skf18("2","8","10","8","3","10","1") = "9"
    & skf18("2","8","10","8","4","1","1") = "9"
    & skf18("2","8","10","8","4","2","1") = "9"
    & skf18("2","8","10","8","4","3","1") = "9"
    & skf18("2","8","10","8","4","4","1") = "9"
    & skf18("2","8","10","8","4","5","1") = "9"
    & skf18("2","8","10","8","4","6","1") = "9"
    & skf18("2","8","10","8","4","7","1") = "9"
    & skf18("2","8","10","8","4","8","1") = "9"
    & skf18("2","8","10","8","4","9","1") = "9"
    & skf18("2","8","10","8","4","10","1") = "9"
    & skf18("2","8","10","8","5","1","1") = "9"
    & skf18("2","8","10","8","5","2","1") = "9"
    & skf18("2","8","10","8","5","3","1") = "9"
    & skf18("2","8","10","8","5","4","1") = "9"
    & skf18("2","8","10","8","5","5","1") = "9"
    & skf18("2","8","10","8","5","6","1") = "9"
    & skf18("2","8","10","8","5","7","1") = "9"
    & skf18("2","8","10","8","5","8","1") = "9"
    & skf18("2","8","10","8","5","9","1") = "9"
    & skf18("2","8","10","8","5","10","1") = "9"
    & skf18("2","8","10","8","6","1","1") = "9"
    & skf18("2","8","10","8","6","2","1") = "9"
    & skf18("2","8","10","8","6","3","1") = "9"
    & skf18("2","8","10","8","6","4","1") = "9"
    & skf18("2","8","10","8","6","5","1") = "9"
    & skf18("2","8","10","8","6","6","1") = "9"
    & skf18("2","8","10","8","6","7","1") = "9"
    & skf18("2","8","10","8","6","8","1") = "9"
    & skf18("2","8","10","8","6","9","1") = "9"
    & skf18("2","8","10","8","6","10","1") = "9"
    & skf18("2","8","10","8","7","1","1") = "9"
    & skf18("2","8","10","8","7","2","1") = "9"
    & skf18("2","8","10","8","7","3","1") = "9"
    & skf18("2","8","10","8","7","4","1") = "9"
    & skf18("2","8","10","8","7","5","1") = "9"
    & skf18("2","8","10","8","7","6","1") = "9"
    & skf18("2","8","10","8","7","7","1") = "9"
    & skf18("2","8","10","8","7","8","1") = "9"
    & skf18("2","8","10","8","7","9","1") = "9"
    & skf18("2","8","10","8","7","10","1") = "9"
    & skf18("2","8","10","8","8","1","1") = "9"
    & skf18("2","8","10","8","8","2","1") = "9"
    & skf18("2","8","10","8","8","3","1") = "9"
    & skf18("2","8","10","8","8","4","1") = "9"
    & skf18("2","8","10","8","8","5","1") = "9"
    & skf18("2","8","10","8","8","6","1") = "9"
    & skf18("2","8","10","8","8","7","1") = "9"
    & skf18("2","8","10","8","8","8","1") = "9"
    & skf18("2","8","10","8","8","9","1") = "9"
    & skf18("2","8","10","8","8","10","1") = "9"
    & skf18("2","8","10","8","9","1","1") = "9"
    & skf18("2","8","10","8","9","2","1") = "9"
    & skf18("2","8","10","8","9","3","1") = "9"
    & skf18("2","8","10","8","9","4","1") = "9"
    & skf18("2","8","10","8","9","5","1") = "9"
    & skf18("2","8","10","8","9","6","1") = "9"
    & skf18("2","8","10","8","9","7","1") = "9"
    & skf18("2","8","10","8","9","8","1") = "9"
    & skf18("2","8","10","8","9","9","1") = "9"
    & skf18("2","8","10","8","9","10","1") = "9"
    & skf18("2","8","10","8","10","1","1") = "9"
    & skf18("2","8","10","8","10","2","1") = "9"
    & skf18("2","8","10","8","10","3","1") = "9"
    & skf18("2","8","10","8","10","4","1") = "9"
    & skf18("2","8","10","8","10","5","1") = "9"
    & skf18("2","8","10","8","10","6","1") = "9"
    & skf18("2","8","10","8","10","7","1") = "9"
    & skf18("2","8","10","8","10","8","1") = "9"
    & skf18("2","8","10","8","10","9","1") = "9"
    & skf18("2","8","10","8","10","10","1") = "9"
    & skf18("2","8","10","9","1","1","1") = "9"
    & skf18("2","8","10","9","1","2","1") = "9"
    & skf18("2","8","10","9","1","3","1") = "9"
    & skf18("2","8","10","9","1","4","1") = "9"
    & skf18("2","8","10","9","1","5","1") = "9"
    & skf18("2","8","10","9","1","6","1") = "9"
    & skf18("2","8","10","9","1","7","1") = "9"
    & skf18("2","8","10","9","1","8","1") = "9"
    & skf18("2","8","10","9","1","9","1") = "9"
    & skf18("2","8","10","9","1","10","1") = "9"
    & skf18("2","8","10","9","2","1","1") = "9"
    & skf18("2","8","10","9","2","2","1") = "9"
    & skf18("2","8","10","9","2","3","1") = "9"
    & skf18("2","8","10","9","2","4","1") = "9"
    & skf18("2","8","10","9","2","5","1") = "9"
    & skf18("2","8","10","9","2","6","1") = "9"
    & skf18("2","8","10","9","2","7","1") = "9"
    & skf18("2","8","10","9","2","8","1") = "9"
    & skf18("2","8","10","9","2","9","1") = "9"
    & skf18("2","8","10","9","2","10","1") = "9"
    & skf18("2","8","10","9","3","1","1") = "9"
    & skf18("2","8","10","9","3","2","1") = "9"
    & skf18("2","8","10","9","3","3","1") = "9"
    & skf18("2","8","10","9","3","4","1") = "9"
    & skf18("2","8","10","9","3","5","1") = "9"
    & skf18("2","8","10","9","3","6","1") = "9"
    & skf18("2","8","10","9","3","7","1") = "9"
    & skf18("2","8","10","9","3","8","1") = "9"
    & skf18("2","8","10","9","3","9","1") = "9"
    & skf18("2","8","10","9","3","10","1") = "9"
    & skf18("2","8","10","9","4","1","1") = "9"
    & skf18("2","8","10","9","4","2","1") = "9"
    & skf18("2","8","10","9","4","3","1") = "9"
    & skf18("2","8","10","9","4","4","1") = "9"
    & skf18("2","8","10","9","4","5","1") = "9"
    & skf18("2","8","10","9","4","6","1") = "9"
    & skf18("2","8","10","9","4","7","1") = "9"
    & skf18("2","8","10","9","4","8","1") = "9"
    & skf18("2","8","10","9","4","9","1") = "9"
    & skf18("2","8","10","9","4","10","1") = "9"
    & skf18("2","8","10","9","5","1","1") = "9"
    & skf18("2","8","10","9","5","2","1") = "9"
    & skf18("2","8","10","9","5","3","1") = "9"
    & skf18("2","8","10","9","5","4","1") = "9"
    & skf18("2","8","10","9","5","5","1") = "9"
    & skf18("2","8","10","9","5","6","1") = "9"
    & skf18("2","8","10","9","5","7","1") = "9"
    & skf18("2","8","10","9","5","8","1") = "9"
    & skf18("2","8","10","9","5","9","1") = "9"
    & skf18("2","8","10","9","5","10","1") = "9"
    & skf18("2","8","10","9","6","1","1") = "9"
    & skf18("2","8","10","9","6","2","1") = "9"
    & skf18("2","8","10","9","6","3","1") = "9"
    & skf18("2","8","10","9","6","4","1") = "9"
    & skf18("2","8","10","9","6","5","1") = "9"
    & skf18("2","8","10","9","6","6","1") = "9"
    & skf18("2","8","10","9","6","7","1") = "9"
    & skf18("2","8","10","9","6","8","1") = "9"
    & skf18("2","8","10","9","6","9","1") = "9"
    & skf18("2","8","10","9","6","10","1") = "9"
    & skf18("2","8","10","9","7","1","1") = "9"
    & skf18("2","8","10","9","7","2","1") = "9"
    & skf18("2","8","10","9","7","3","1") = "9"
    & skf18("2","8","10","9","7","4","1") = "9"
    & skf18("2","8","10","9","7","5","1") = "9"
    & skf18("2","8","10","9","7","6","1") = "9"
    & skf18("2","8","10","9","7","7","1") = "9"
    & skf18("2","8","10","9","7","8","1") = "9"
    & skf18("2","8","10","9","7","9","1") = "9"
    & skf18("2","8","10","9","7","10","1") = "9"
    & skf18("2","8","10","9","8","1","1") = "9"
    & skf18("2","8","10","9","8","2","1") = "9"
    & skf18("2","8","10","9","8","3","1") = "9"
    & skf18("2","8","10","9","8","4","1") = "9"
    & skf18("2","8","10","9","8","5","1") = "9"
    & skf18("2","8","10","9","8","6","1") = "9"
    & skf18("2","8","10","9","8","7","1") = "9"
    & skf18("2","8","10","9","8","8","1") = "9"
    & skf18("2","8","10","9","8","9","1") = "9"
    & skf18("2","8","10","9","8","10","1") = "9"
    & skf18("2","8","10","9","9","1","1") = "9"
    & skf18("2","8","10","9","9","2","1") = "9"
    & skf18("2","8","10","9","9","3","1") = "9"
    & skf18("2","8","10","9","9","4","1") = "9"
    & skf18("2","8","10","9","9","5","1") = "9"
    & skf18("2","8","10","9","9","6","1") = "9"
    & skf18("2","8","10","9","9","7","1") = "9"
    & skf18("2","8","10","9","9","8","1") = "9"
    & skf18("2","8","10","9","9","9","1") = "9"
    & skf18("2","8","10","9","9","10","1") = "9"
    & skf18("2","8","10","9","10","1","1") = "9"
    & skf18("2","8","10","9","10","2","1") = "9"
    & skf18("2","8","10","9","10","3","1") = "9"
    & skf18("2","8","10","9","10","4","1") = "9"
    & skf18("2","8","10","9","10","5","1") = "9"
    & skf18("2","8","10","9","10","6","1") = "9"
    & skf18("2","8","10","9","10","7","1") = "9"
    & skf18("2","8","10","9","10","8","1") = "9"
    & skf18("2","8","10","9","10","9","1") = "9"
    & skf18("2","8","10","9","10","10","1") = "9"
    & skf18("2","8","10","10","1","1","1") = "9"
    & skf18("2","8","10","10","1","2","1") = "9"
    & skf18("2","8","10","10","1","3","1") = "9"
    & skf18("2","8","10","10","1","4","1") = "9"
    & skf18("2","8","10","10","1","5","1") = "9"
    & skf18("2","8","10","10","1","6","1") = "9"
    & skf18("2","8","10","10","1","7","1") = "9"
    & skf18("2","8","10","10","1","8","1") = "9"
    & skf18("2","8","10","10","1","9","1") = "9"
    & skf18("2","8","10","10","1","10","1") = "9"
    & skf18("2","8","10","10","2","1","1") = "9"
    & skf18("2","8","10","10","2","2","1") = "9"
    & skf18("2","8","10","10","2","3","1") = "9"
    & skf18("2","8","10","10","2","4","1") = "9"
    & skf18("2","8","10","10","2","5","1") = "9"
    & skf18("2","8","10","10","2","6","1") = "9"
    & skf18("2","8","10","10","2","7","1") = "9"
    & skf18("2","8","10","10","2","8","1") = "9"
    & skf18("2","8","10","10","2","9","1") = "9"
    & skf18("2","8","10","10","2","10","1") = "9"
    & skf18("2","8","10","10","3","1","1") = "9"
    & skf18("2","8","10","10","3","2","1") = "9"
    & skf18("2","8","10","10","3","3","1") = "9"
    & skf18("2","8","10","10","3","4","1") = "9"
    & skf18("2","8","10","10","3","5","1") = "9"
    & skf18("2","8","10","10","3","6","1") = "9"
    & skf18("2","8","10","10","3","7","1") = "9"
    & skf18("2","8","10","10","3","8","1") = "9"
    & skf18("2","8","10","10","3","9","1") = "9"
    & skf18("2","8","10","10","3","10","1") = "9"
    & skf18("2","8","10","10","4","1","1") = "9"
    & skf18("2","8","10","10","4","2","1") = "9"
    & skf18("2","8","10","10","4","3","1") = "9"
    & skf18("2","8","10","10","4","4","1") = "9"
    & skf18("2","8","10","10","4","5","1") = "9"
    & skf18("2","8","10","10","4","6","1") = "9"
    & skf18("2","8","10","10","4","7","1") = "9"
    & skf18("2","8","10","10","4","8","1") = "9"
    & skf18("2","8","10","10","4","9","1") = "9"
    & skf18("2","8","10","10","4","10","1") = "9"
    & skf18("2","8","10","10","5","1","1") = "9"
    & skf18("2","8","10","10","5","2","1") = "9"
    & skf18("2","8","10","10","5","3","1") = "9"
    & skf18("2","8","10","10","5","4","1") = "9"
    & skf18("2","8","10","10","5","5","1") = "9"
    & skf18("2","8","10","10","5","6","1") = "9"
    & skf18("2","8","10","10","5","7","1") = "9"
    & skf18("2","8","10","10","5","8","1") = "9"
    & skf18("2","8","10","10","5","9","1") = "9"
    & skf18("2","8","10","10","5","10","1") = "9"
    & skf18("2","8","10","10","6","1","1") = "9"
    & skf18("2","8","10","10","6","2","1") = "9"
    & skf18("2","8","10","10","6","3","1") = "9"
    & skf18("2","8","10","10","6","4","1") = "9"
    & skf18("2","8","10","10","6","5","1") = "9"
    & skf18("2","8","10","10","6","6","1") = "9"
    & skf18("2","8","10","10","6","7","1") = "9"
    & skf18("2","8","10","10","6","8","1") = "9"
    & skf18("2","8","10","10","6","9","1") = "9"
    & skf18("2","8","10","10","6","10","1") = "9"
    & skf18("2","8","10","10","7","1","1") = "9"
    & skf18("2","8","10","10","7","2","1") = "9"
    & skf18("2","8","10","10","7","3","1") = "9"
    & skf18("2","8","10","10","7","4","1") = "9"
    & skf18("2","8","10","10","7","5","1") = "9"
    & skf18("2","8","10","10","7","6","1") = "9"
    & skf18("2","8","10","10","7","7","1") = "9"
    & skf18("2","8","10","10","7","8","1") = "9"
    & skf18("2","8","10","10","7","9","1") = "9"
    & skf18("2","8","10","10","7","10","1") = "9"
    & skf18("2","8","10","10","8","1","1") = "9"
    & skf18("2","8","10","10","8","2","1") = "9"
    & skf18("2","8","10","10","8","3","1") = "9"
    & skf18("2","8","10","10","8","4","1") = "9"
    & skf18("2","8","10","10","8","5","1") = "9"
    & skf18("2","8","10","10","8","6","1") = "9"
    & skf18("2","8","10","10","8","7","1") = "9"
    & skf18("2","8","10","10","8","8","1") = "9"
    & skf18("2","8","10","10","8","9","1") = "9"
    & skf18("2","8","10","10","8","10","1") = "9"
    & skf18("2","8","10","10","9","1","1") = "9"
    & skf18("2","8","10","10","9","2","1") = "9"
    & skf18("2","8","10","10","9","3","1") = "9"
    & skf18("2","8","10","10","9","4","1") = "9"
    & skf18("2","8","10","10","9","5","1") = "9"
    & skf18("2","8","10","10","9","6","1") = "9"
    & skf18("2","8","10","10","9","7","1") = "9"
    & skf18("2","8","10","10","9","8","1") = "9"
    & skf18("2","8","10","10","9","9","1") = "9"
    & skf18("2","8","10","10","9","10","1") = "9"
    & skf18("2","8","10","10","10","1","1") = "9"
    & skf18("2","8","10","10","10","2","1") = "9"
    & skf18("2","8","10","10","10","3","1") = "9"
    & skf18("2","8","10","10","10","4","1") = "9"
    & skf18("2","8","10","10","10","5","1") = "9"
    & skf18("2","8","10","10","10","6","1") = "9"
    & skf18("2","8","10","10","10","7","1") = "9"
    & skf18("2","8","10","10","10","8","1") = "9"
    & skf18("2","8","10","10","10","9","1") = "9"
    & skf18("2","8","10","10","10","10","1") = "9"
    & skf18("2","9","1","1","1","1","1") = "8"
    & skf18("2","9","1","1","1","2","1") = "8"
    & skf18("2","9","1","1","1","3","1") = "8"
    & skf18("2","9","1","1","1","4","1") = "8"
    & skf18("2","9","1","1","1","5","1") = "8"
    & skf18("2","9","1","1","1","6","1") = "8"
    & skf18("2","9","1","1","1","7","1") = "8"
    & skf18("2","9","1","1","1","8","1") = "8"
    & skf18("2","9","1","1","1","9","1") = "8"
    & skf18("2","9","1","1","1","10","1") = "9"
    & skf18("2","9","1","1","2","1","1") = "8"
    & skf18("2","9","1","1","2","2","1") = "8"
    & skf18("2","9","1","1","2","3","1") = "8"
    & skf18("2","9","1","1","2","4","1") = "8"
    & skf18("2","9","1","1","2","5","1") = "8"
    & skf18("2","9","1","1","2","6","1") = "8"
    & skf18("2","9","1","1","2","7","1") = "8"
    & skf18("2","9","1","1","2","8","1") = "8"
    & skf18("2","9","1","1","2","9","1") = "8"
    & skf18("2","9","1","1","2","10","1") = "9"
    & skf18("2","9","1","1","3","1","1") = "8"
    & skf18("2","9","1","1","3","2","1") = "8"
    & skf18("2","9","1","1","3","3","1") = "8"
    & skf18("2","9","1","1","3","4","1") = "8"
    & skf18("2","9","1","1","3","5","1") = "8"
    & skf18("2","9","1","1","3","6","1") = "8"
    & skf18("2","9","1","1","3","7","1") = "8"
    & skf18("2","9","1","1","3","8","1") = "8"
    & skf18("2","9","1","1","3","9","1") = "8"
    & skf18("2","9","1","1","3","10","1") = "9"
    & skf18("2","9","1","1","4","1","1") = "8"
    & skf18("2","9","1","1","4","2","1") = "8"
    & skf18("2","9","1","1","4","3","1") = "8"
    & skf18("2","9","1","1","4","4","1") = "8"
    & skf18("2","9","1","1","4","5","1") = "8"
    & skf18("2","9","1","1","4","6","1") = "8"
    & skf18("2","9","1","1","4","7","1") = "8"
    & skf18("2","9","1","1","4","8","1") = "8"
    & skf18("2","9","1","1","4","9","1") = "8"
    & skf18("2","9","1","1","4","10","1") = "9"
    & skf18("2","9","1","1","5","1","1") = "8"
    & skf18("2","9","1","1","5","2","1") = "8"
    & skf18("2","9","1","1","5","3","1") = "8"
    & skf18("2","9","1","1","5","4","1") = "8"
    & skf18("2","9","1","1","5","5","1") = "8"
    & skf18("2","9","1","1","5","6","1") = "8"
    & skf18("2","9","1","1","5","7","1") = "8"
    & skf18("2","9","1","1","5","8","1") = "8"
    & skf18("2","9","1","1","5","9","1") = "8"
    & skf18("2","9","1","1","5","10","1") = "9"
    & skf18("2","9","1","1","6","1","1") = "8"
    & skf18("2","9","1","1","6","2","1") = "8"
    & skf18("2","9","1","1","6","3","1") = "8"
    & skf18("2","9","1","1","6","4","1") = "8"
    & skf18("2","9","1","1","6","5","1") = "8"
    & skf18("2","9","1","1","6","6","1") = "8"
    & skf18("2","9","1","1","6","7","1") = "8"
    & skf18("2","9","1","1","6","8","1") = "8"
    & skf18("2","9","1","1","6","9","1") = "8"
    & skf18("2","9","1","1","6","10","1") = "9"
    & skf18("2","9","1","1","7","1","1") = "8"
    & skf18("2","9","1","1","7","2","1") = "8"
    & skf18("2","9","1","1","7","3","1") = "8"
    & skf18("2","9","1","1","7","4","1") = "8"
    & skf18("2","9","1","1","7","5","1") = "8"
    & skf18("2","9","1","1","7","6","1") = "8"
    & skf18("2","9","1","1","7","7","1") = "8"
    & skf18("2","9","1","1","7","8","1") = "8"
    & skf18("2","9","1","1","7","9","1") = "8"
    & skf18("2","9","1","1","7","10","1") = "9"
    & skf18("2","9","1","1","8","1","1") = "8"
    & skf18("2","9","1","1","8","2","1") = "8"
    & skf18("2","9","1","1","8","3","1") = "8"
    & skf18("2","9","1","1","8","4","1") = "8"
    & skf18("2","9","1","1","8","5","1") = "8"
    & skf18("2","9","1","1","8","6","1") = "8"
    & skf18("2","9","1","1","8","7","1") = "8"
    & skf18("2","9","1","1","8","8","1") = "8"
    & skf18("2","9","1","1","8","9","1") = "8"
    & skf18("2","9","1","1","8","10","1") = "9"
    & skf18("2","9","1","1","9","1","1") = "8"
    & skf18("2","9","1","1","9","2","1") = "8"
    & skf18("2","9","1","1","9","3","1") = "8"
    & skf18("2","9","1","1","9","4","1") = "8"
    & skf18("2","9","1","1","9","5","1") = "8"
    & skf18("2","9","1","1","9","6","1") = "8"
    & skf18("2","9","1","1","9","7","1") = "8"
    & skf18("2","9","1","1","9","8","1") = "8"
    & skf18("2","9","1","1","9","9","1") = "8"
    & skf18("2","9","1","1","9","10","1") = "9"
    & skf18("2","9","1","1","10","1","1") = "9"
    & skf18("2","9","1","1","10","2","1") = "9"
    & skf18("2","9","1","1","10","3","1") = "9"
    & skf18("2","9","1","1","10","4","1") = "9"
    & skf18("2","9","1","1","10","5","1") = "9"
    & skf18("2","9","1","1","10","6","1") = "9"
    & skf18("2","9","1","1","10","7","1") = "9"
    & skf18("2","9","1","1","10","8","1") = "9"
    & skf18("2","9","1","1","10","9","1") = "9"
    & skf18("2","9","1","1","10","10","1") = "9"
    & skf18("2","9","1","2","1","1","1") = "8"
    & skf18("2","9","1","2","1","2","1") = "8"
    & skf18("2","9","1","2","1","3","1") = "8"
    & skf18("2","9","1","2","1","4","1") = "8"
    & skf18("2","9","1","2","1","5","1") = "8"
    & skf18("2","9","1","2","1","6","1") = "8"
    & skf18("2","9","1","2","1","7","1") = "8"
    & skf18("2","9","1","2","1","8","1") = "8"
    & skf18("2","9","1","2","1","9","1") = "8"
    & skf18("2","9","1","2","1","10","1") = "9"
    & skf18("2","9","1","2","2","1","1") = "8"
    & skf18("2","9","1","2","2","2","1") = "8"
    & skf18("2","9","1","2","2","3","1") = "8"
    & skf18("2","9","1","2","2","4","1") = "8"
    & skf18("2","9","1","2","2","5","1") = "8"
    & skf18("2","9","1","2","2","6","1") = "8"
    & skf18("2","9","1","2","2","7","1") = "8"
    & skf18("2","9","1","2","2","8","1") = "8"
    & skf18("2","9","1","2","2","9","1") = "8"
    & skf18("2","9","1","2","2","10","1") = "9"
    & skf18("2","9","1","2","3","1","1") = "8"
    & skf18("2","9","1","2","3","2","1") = "8"
    & skf18("2","9","1","2","3","3","1") = "8"
    & skf18("2","9","1","2","3","4","1") = "8"
    & skf18("2","9","1","2","3","5","1") = "8"
    & skf18("2","9","1","2","3","6","1") = "8"
    & skf18("2","9","1","2","3","7","1") = "8"
    & skf18("2","9","1","2","3","8","1") = "8"
    & skf18("2","9","1","2","3","9","1") = "8"
    & skf18("2","9","1","2","3","10","1") = "9"
    & skf18("2","9","1","2","4","1","1") = "8"
    & skf18("2","9","1","2","4","2","1") = "8"
    & skf18("2","9","1","2","4","3","1") = "8"
    & skf18("2","9","1","2","4","4","1") = "8"
    & skf18("2","9","1","2","4","5","1") = "8"
    & skf18("2","9","1","2","4","6","1") = "8"
    & skf18("2","9","1","2","4","7","1") = "8"
    & skf18("2","9","1","2","4","8","1") = "8"
    & skf18("2","9","1","2","4","9","1") = "8"
    & skf18("2","9","1","2","4","10","1") = "9"
    & skf18("2","9","1","2","5","1","1") = "8"
    & skf18("2","9","1","2","5","2","1") = "8"
    & skf18("2","9","1","2","5","3","1") = "8"
    & skf18("2","9","1","2","5","4","1") = "8"
    & skf18("2","9","1","2","5","5","1") = "8"
    & skf18("2","9","1","2","5","6","1") = "8"
    & skf18("2","9","1","2","5","7","1") = "8"
    & skf18("2","9","1","2","5","8","1") = "8"
    & skf18("2","9","1","2","5","9","1") = "8"
    & skf18("2","9","1","2","5","10","1") = "9"
    & skf18("2","9","1","2","6","1","1") = "8"
    & skf18("2","9","1","2","6","2","1") = "8"
    & skf18("2","9","1","2","6","3","1") = "8"
    & skf18("2","9","1","2","6","4","1") = "8"
    & skf18("2","9","1","2","6","5","1") = "8"
    & skf18("2","9","1","2","6","6","1") = "8"
    & skf18("2","9","1","2","6","7","1") = "8"
    & skf18("2","9","1","2","6","8","1") = "8"
    & skf18("2","9","1","2","6","9","1") = "8"
    & skf18("2","9","1","2","6","10","1") = "9"
    & skf18("2","9","1","2","7","1","1") = "8"
    & skf18("2","9","1","2","7","2","1") = "8"
    & skf18("2","9","1","2","7","3","1") = "8"
    & skf18("2","9","1","2","7","4","1") = "8"
    & skf18("2","9","1","2","7","5","1") = "8"
    & skf18("2","9","1","2","7","6","1") = "8"
    & skf18("2","9","1","2","7","7","1") = "8"
    & skf18("2","9","1","2","7","8","1") = "8"
    & skf18("2","9","1","2","7","9","1") = "8"
    & skf18("2","9","1","2","7","10","1") = "9"
    & skf18("2","9","1","2","8","1","1") = "8"
    & skf18("2","9","1","2","8","2","1") = "8"
    & skf18("2","9","1","2","8","3","1") = "8"
    & skf18("2","9","1","2","8","4","1") = "8"
    & skf18("2","9","1","2","8","5","1") = "8"
    & skf18("2","9","1","2","8","6","1") = "8"
    & skf18("2","9","1","2","8","7","1") = "8"
    & skf18("2","9","1","2","8","8","1") = "8"
    & skf18("2","9","1","2","8","9","1") = "8"
    & skf18("2","9","1","2","8","10","1") = "9"
    & skf18("2","9","1","2","9","1","1") = "8"
    & skf18("2","9","1","2","9","2","1") = "8"
    & skf18("2","9","1","2","9","3","1") = "8"
    & skf18("2","9","1","2","9","4","1") = "8"
    & skf18("2","9","1","2","9","5","1") = "8"
    & skf18("2","9","1","2","9","6","1") = "8"
    & skf18("2","9","1","2","9","7","1") = "8"
    & skf18("2","9","1","2","9","8","1") = "8"
    & skf18("2","9","1","2","9","9","1") = "8"
    & skf18("2","9","1","2","9","10","1") = "9"
    & skf18("2","9","1","2","10","1","1") = "9"
    & skf18("2","9","1","2","10","2","1") = "9"
    & skf18("2","9","1","2","10","3","1") = "9"
    & skf18("2","9","1","2","10","4","1") = "9"
    & skf18("2","9","1","2","10","5","1") = "9"
    & skf18("2","9","1","2","10","6","1") = "9"
    & skf18("2","9","1","2","10","7","1") = "9"
    & skf18("2","9","1","2","10","8","1") = "9"
    & skf18("2","9","1","2","10","9","1") = "9"
    & skf18("2","9","1","2","10","10","1") = "9"
    & skf18("2","9","1","3","1","1","1") = "8"
    & skf18("2","9","1","3","1","2","1") = "8"
    & skf18("2","9","1","3","1","3","1") = "8"
    & skf18("2","9","1","3","1","4","1") = "8"
    & skf18("2","9","1","3","1","5","1") = "8"
    & skf18("2","9","1","3","1","6","1") = "8"
    & skf18("2","9","1","3","1","7","1") = "8"
    & skf18("2","9","1","3","1","8","1") = "8"
    & skf18("2","9","1","3","1","9","1") = "8"
    & skf18("2","9","1","3","1","10","1") = "9"
    & skf18("2","9","1","3","2","1","1") = "8"
    & skf18("2","9","1","3","2","2","1") = "8"
    & skf18("2","9","1","3","2","3","1") = "8"
    & skf18("2","9","1","3","2","4","1") = "8"
    & skf18("2","9","1","3","2","5","1") = "8"
    & skf18("2","9","1","3","2","6","1") = "8"
    & skf18("2","9","1","3","2","7","1") = "8"
    & skf18("2","9","1","3","2","8","1") = "8"
    & skf18("2","9","1","3","2","9","1") = "8"
    & skf18("2","9","1","3","2","10","1") = "9"
    & skf18("2","9","1","3","3","1","1") = "8"
    & skf18("2","9","1","3","3","2","1") = "8"
    & skf18("2","9","1","3","3","3","1") = "8"
    & skf18("2","9","1","3","3","4","1") = "8"
    & skf18("2","9","1","3","3","5","1") = "8"
    & skf18("2","9","1","3","3","6","1") = "8"
    & skf18("2","9","1","3","3","7","1") = "8"
    & skf18("2","9","1","3","3","8","1") = "8"
    & skf18("2","9","1","3","3","9","1") = "8"
    & skf18("2","9","1","3","3","10","1") = "9"
    & skf18("2","9","1","3","4","1","1") = "8"
    & skf18("2","9","1","3","4","2","1") = "8"
    & skf18("2","9","1","3","4","3","1") = "8"
    & skf18("2","9","1","3","4","4","1") = "8"
    & skf18("2","9","1","3","4","5","1") = "8"
    & skf18("2","9","1","3","4","6","1") = "8"
    & skf18("2","9","1","3","4","7","1") = "8"
    & skf18("2","9","1","3","4","8","1") = "8"
    & skf18("2","9","1","3","4","9","1") = "8"
    & skf18("2","9","1","3","4","10","1") = "9"
    & skf18("2","9","1","3","5","1","1") = "8"
    & skf18("2","9","1","3","5","2","1") = "8"
    & skf18("2","9","1","3","5","3","1") = "8"
    & skf18("2","9","1","3","5","4","1") = "8"
    & skf18("2","9","1","3","5","5","1") = "8"
    & skf18("2","9","1","3","5","6","1") = "8"
    & skf18("2","9","1","3","5","7","1") = "8"
    & skf18("2","9","1","3","5","8","1") = "8"
    & skf18("2","9","1","3","5","9","1") = "8"
    & skf18("2","9","1","3","5","10","1") = "9"
    & skf18("2","9","1","3","6","1","1") = "8"
    & skf18("2","9","1","3","6","2","1") = "8"
    & skf18("2","9","1","3","6","3","1") = "8"
    & skf18("2","9","1","3","6","4","1") = "8"
    & skf18("2","9","1","3","6","5","1") = "8"
    & skf18("2","9","1","3","6","6","1") = "8"
    & skf18("2","9","1","3","6","7","1") = "8"
    & skf18("2","9","1","3","6","8","1") = "8"
    & skf18("2","9","1","3","6","9","1") = "8"
    & skf18("2","9","1","3","6","10","1") = "9"
    & skf18("2","9","1","3","7","1","1") = "8"
    & skf18("2","9","1","3","7","2","1") = "8"
    & skf18("2","9","1","3","7","3","1") = "8"
    & skf18("2","9","1","3","7","4","1") = "8"
    & skf18("2","9","1","3","7","5","1") = "8"
    & skf18("2","9","1","3","7","6","1") = "8"
    & skf18("2","9","1","3","7","7","1") = "8"
    & skf18("2","9","1","3","7","8","1") = "8"
    & skf18("2","9","1","3","7","9","1") = "8"
    & skf18("2","9","1","3","7","10","1") = "9"
    & skf18("2","9","1","3","8","1","1") = "8"
    & skf18("2","9","1","3","8","2","1") = "8"
    & skf18("2","9","1","3","8","3","1") = "8"
    & skf18("2","9","1","3","8","4","1") = "8"
    & skf18("2","9","1","3","8","5","1") = "8"
    & skf18("2","9","1","3","8","6","1") = "8"
    & skf18("2","9","1","3","8","7","1") = "8"
    & skf18("2","9","1","3","8","8","1") = "8"
    & skf18("2","9","1","3","8","9","1") = "8"
    & skf18("2","9","1","3","8","10","1") = "9"
    & skf18("2","9","1","3","9","1","1") = "8"
    & skf18("2","9","1","3","9","2","1") = "8"
    & skf18("2","9","1","3","9","3","1") = "8"
    & skf18("2","9","1","3","9","4","1") = "8"
    & skf18("2","9","1","3","9","5","1") = "8"
    & skf18("2","9","1","3","9","6","1") = "8"
    & skf18("2","9","1","3","9","7","1") = "8"
    & skf18("2","9","1","3","9","8","1") = "8"
    & skf18("2","9","1","3","9","9","1") = "8"
    & skf18("2","9","1","3","9","10","1") = "9"
    & skf18("2","9","1","3","10","1","1") = "9"
    & skf18("2","9","1","3","10","2","1") = "9"
    & skf18("2","9","1","3","10","3","1") = "9"
    & skf18("2","9","1","3","10","4","1") = "9"
    & skf18("2","9","1","3","10","5","1") = "9"
    & skf18("2","9","1","3","10","6","1") = "9"
    & skf18("2","9","1","3","10","7","1") = "9"
    & skf18("2","9","1","3","10","8","1") = "9"
    & skf18("2","9","1","3","10","9","1") = "9"
    & skf18("2","9","1","3","10","10","1") = "9"
    & skf18("2","9","1","4","1","1","1") = "8"
    & skf18("2","9","1","4","1","2","1") = "8"
    & skf18("2","9","1","4","1","3","1") = "8"
    & skf18("2","9","1","4","1","4","1") = "8"
    & skf18("2","9","1","4","1","5","1") = "8"
    & skf18("2","9","1","4","1","6","1") = "8"
    & skf18("2","9","1","4","1","7","1") = "8"
    & skf18("2","9","1","4","1","8","1") = "8"
    & skf18("2","9","1","4","1","9","1") = "8"
    & skf18("2","9","1","4","1","10","1") = "9"
    & skf18("2","9","1","4","2","1","1") = "8"
    & skf18("2","9","1","4","2","2","1") = "8"
    & skf18("2","9","1","4","2","3","1") = "8"
    & skf18("2","9","1","4","2","4","1") = "8"
    & skf18("2","9","1","4","2","5","1") = "8"
    & skf18("2","9","1","4","2","6","1") = "8"
    & skf18("2","9","1","4","2","7","1") = "8"
    & skf18("2","9","1","4","2","8","1") = "8"
    & skf18("2","9","1","4","2","9","1") = "8"
    & skf18("2","9","1","4","2","10","1") = "9"
    & skf18("2","9","1","4","3","1","1") = "8"
    & skf18("2","9","1","4","3","2","1") = "8"
    & skf18("2","9","1","4","3","3","1") = "8"
    & skf18("2","9","1","4","3","4","1") = "8"
    & skf18("2","9","1","4","3","5","1") = "8"
    & skf18("2","9","1","4","3","6","1") = "8"
    & skf18("2","9","1","4","3","7","1") = "8"
    & skf18("2","9","1","4","3","8","1") = "8"
    & skf18("2","9","1","4","3","9","1") = "8"
    & skf18("2","9","1","4","3","10","1") = "9"
    & skf18("2","9","1","4","4","1","1") = "8"
    & skf18("2","9","1","4","4","2","1") = "8"
    & skf18("2","9","1","4","4","3","1") = "8"
    & skf18("2","9","1","4","4","4","1") = "8"
    & skf18("2","9","1","4","4","5","1") = "8"
    & skf18("2","9","1","4","4","6","1") = "8"
    & skf18("2","9","1","4","4","7","1") = "8"
    & skf18("2","9","1","4","4","8","1") = "8"
    & skf18("2","9","1","4","4","9","1") = "8"
    & skf18("2","9","1","4","4","10","1") = "9"
    & skf18("2","9","1","4","5","1","1") = "8"
    & skf18("2","9","1","4","5","2","1") = "8"
    & skf18("2","9","1","4","5","3","1") = "8"
    & skf18("2","9","1","4","5","4","1") = "8"
    & skf18("2","9","1","4","5","5","1") = "8"
    & skf18("2","9","1","4","5","6","1") = "8"
    & skf18("2","9","1","4","5","7","1") = "8"
    & skf18("2","9","1","4","5","8","1") = "8"
    & skf18("2","9","1","4","5","9","1") = "8"
    & skf18("2","9","1","4","5","10","1") = "9"
    & skf18("2","9","1","4","6","1","1") = "8"
    & skf18("2","9","1","4","6","2","1") = "8"
    & skf18("2","9","1","4","6","3","1") = "8"
    & skf18("2","9","1","4","6","4","1") = "8"
    & skf18("2","9","1","4","6","5","1") = "8"
    & skf18("2","9","1","4","6","6","1") = "8"
    & skf18("2","9","1","4","6","7","1") = "8"
    & skf18("2","9","1","4","6","8","1") = "8"
    & skf18("2","9","1","4","6","9","1") = "8"
    & skf18("2","9","1","4","6","10","1") = "9"
    & skf18("2","9","1","4","7","1","1") = "8"
    & skf18("2","9","1","4","7","2","1") = "8"
    & skf18("2","9","1","4","7","3","1") = "8"
    & skf18("2","9","1","4","7","4","1") = "8"
    & skf18("2","9","1","4","7","5","1") = "8"
    & skf18("2","9","1","4","7","6","1") = "8"
    & skf18("2","9","1","4","7","7","1") = "8"
    & skf18("2","9","1","4","7","8","1") = "8"
    & skf18("2","9","1","4","7","9","1") = "8"
    & skf18("2","9","1","4","7","10","1") = "9"
    & skf18("2","9","1","4","8","1","1") = "8"
    & skf18("2","9","1","4","8","2","1") = "8"
    & skf18("2","9","1","4","8","3","1") = "8"
    & skf18("2","9","1","4","8","4","1") = "8"
    & skf18("2","9","1","4","8","5","1") = "8"
    & skf18("2","9","1","4","8","6","1") = "8"
    & skf18("2","9","1","4","8","7","1") = "8"
    & skf18("2","9","1","4","8","8","1") = "8"
    & skf18("2","9","1","4","8","9","1") = "8"
    & skf18("2","9","1","4","8","10","1") = "9"
    & skf18("2","9","1","4","9","1","1") = "8"
    & skf18("2","9","1","4","9","2","1") = "8"
    & skf18("2","9","1","4","9","3","1") = "8"
    & skf18("2","9","1","4","9","4","1") = "8"
    & skf18("2","9","1","4","9","5","1") = "8"
    & skf18("2","9","1","4","9","6","1") = "8"
    & skf18("2","9","1","4","9","7","1") = "8"
    & skf18("2","9","1","4","9","8","1") = "8"
    & skf18("2","9","1","4","9","9","1") = "8"
    & skf18("2","9","1","4","9","10","1") = "9"
    & skf18("2","9","1","4","10","1","1") = "9"
    & skf18("2","9","1","4","10","2","1") = "9"
    & skf18("2","9","1","4","10","3","1") = "9"
    & skf18("2","9","1","4","10","4","1") = "9"
    & skf18("2","9","1","4","10","5","1") = "9"
    & skf18("2","9","1","4","10","6","1") = "9"
    & skf18("2","9","1","4","10","7","1") = "9"
    & skf18("2","9","1","4","10","8","1") = "9"
    & skf18("2","9","1","4","10","9","1") = "9"
    & skf18("2","9","1","4","10","10","1") = "9"
    & skf18("2","9","1","5","1","1","1") = "8"
    & skf18("2","9","1","5","1","2","1") = "8"
    & skf18("2","9","1","5","1","3","1") = "8"
    & skf18("2","9","1","5","1","4","1") = "8"
    & skf18("2","9","1","5","1","5","1") = "8"
    & skf18("2","9","1","5","1","6","1") = "8"
    & skf18("2","9","1","5","1","7","1") = "8"
    & skf18("2","9","1","5","1","8","1") = "8"
    & skf18("2","9","1","5","1","9","1") = "8"
    & skf18("2","9","1","5","1","10","1") = "9"
    & skf18("2","9","1","5","2","1","1") = "8"
    & skf18("2","9","1","5","2","2","1") = "8"
    & skf18("2","9","1","5","2","3","1") = "8"
    & skf18("2","9","1","5","2","4","1") = "8"
    & skf18("2","9","1","5","2","5","1") = "8"
    & skf18("2","9","1","5","2","6","1") = "8"
    & skf18("2","9","1","5","2","7","1") = "8"
    & skf18("2","9","1","5","2","8","1") = "8"
    & skf18("2","9","1","5","2","9","1") = "8"
    & skf18("2","9","1","5","2","10","1") = "9"
    & skf18("2","9","1","5","3","1","1") = "8"
    & skf18("2","9","1","5","3","2","1") = "8"
    & skf18("2","9","1","5","3","3","1") = "8"
    & skf18("2","9","1","5","3","4","1") = "8"
    & skf18("2","9","1","5","3","5","1") = "8"
    & skf18("2","9","1","5","3","6","1") = "8"
    & skf18("2","9","1","5","3","7","1") = "8"
    & skf18("2","9","1","5","3","8","1") = "8"
    & skf18("2","9","1","5","3","9","1") = "8"
    & skf18("2","9","1","5","3","10","1") = "9"
    & skf18("2","9","1","5","4","1","1") = "8"
    & skf18("2","9","1","5","4","2","1") = "8"
    & skf18("2","9","1","5","4","3","1") = "8"
    & skf18("2","9","1","5","4","4","1") = "8"
    & skf18("2","9","1","5","4","5","1") = "8"
    & skf18("2","9","1","5","4","6","1") = "8"
    & skf18("2","9","1","5","4","7","1") = "8"
    & skf18("2","9","1","5","4","8","1") = "8"
    & skf18("2","9","1","5","4","9","1") = "8"
    & skf18("2","9","1","5","4","10","1") = "9"
    & skf18("2","9","1","5","5","1","1") = "8"
    & skf18("2","9","1","5","5","2","1") = "8"
    & skf18("2","9","1","5","5","3","1") = "8"
    & skf18("2","9","1","5","5","4","1") = "8"
    & skf18("2","9","1","5","5","5","1") = "8"
    & skf18("2","9","1","5","5","6","1") = "8"
    & skf18("2","9","1","5","5","7","1") = "8"
    & skf18("2","9","1","5","5","8","1") = "8"
    & skf18("2","9","1","5","5","9","1") = "8"
    & skf18("2","9","1","5","5","10","1") = "9"
    & skf18("2","9","1","5","6","1","1") = "8"
    & skf18("2","9","1","5","6","2","1") = "8"
    & skf18("2","9","1","5","6","3","1") = "8"
    & skf18("2","9","1","5","6","4","1") = "8"
    & skf18("2","9","1","5","6","5","1") = "8"
    & skf18("2","9","1","5","6","6","1") = "8"
    & skf18("2","9","1","5","6","7","1") = "8"
    & skf18("2","9","1","5","6","8","1") = "8"
    & skf18("2","9","1","5","6","9","1") = "8"
    & skf18("2","9","1","5","6","10","1") = "9"
    & skf18("2","9","1","5","7","1","1") = "8"
    & skf18("2","9","1","5","7","2","1") = "8"
    & skf18("2","9","1","5","7","3","1") = "8"
    & skf18("2","9","1","5","7","4","1") = "8"
    & skf18("2","9","1","5","7","5","1") = "8"
    & skf18("2","9","1","5","7","6","1") = "8"
    & skf18("2","9","1","5","7","7","1") = "8"
    & skf18("2","9","1","5","7","8","1") = "8"
    & skf18("2","9","1","5","7","9","1") = "8"
    & skf18("2","9","1","5","7","10","1") = "9"
    & skf18("2","9","1","5","8","1","1") = "8"
    & skf18("2","9","1","5","8","2","1") = "8"
    & skf18("2","9","1","5","8","3","1") = "8"
    & skf18("2","9","1","5","8","4","1") = "8"
    & skf18("2","9","1","5","8","5","1") = "8"
    & skf18("2","9","1","5","8","6","1") = "8"
    & skf18("2","9","1","5","8","7","1") = "8"
    & skf18("2","9","1","5","8","8","1") = "8"
    & skf18("2","9","1","5","8","9","1") = "8"
    & skf18("2","9","1","5","8","10","1") = "9"
    & skf18("2","9","1","5","9","1","1") = "8"
    & skf18("2","9","1","5","9","2","1") = "8"
    & skf18("2","9","1","5","9","3","1") = "8"
    & skf18("2","9","1","5","9","4","1") = "8"
    & skf18("2","9","1","5","9","5","1") = "8"
    & skf18("2","9","1","5","9","6","1") = "8"
    & skf18("2","9","1","5","9","7","1") = "8"
    & skf18("2","9","1","5","9","8","1") = "8"
    & skf18("2","9","1","5","9","9","1") = "8"
    & skf18("2","9","1","5","9","10","1") = "9"
    & skf18("2","9","1","5","10","1","1") = "9"
    & skf18("2","9","1","5","10","2","1") = "9"
    & skf18("2","9","1","5","10","3","1") = "9"
    & skf18("2","9","1","5","10","4","1") = "9"
    & skf18("2","9","1","5","10","5","1") = "9"
    & skf18("2","9","1","5","10","6","1") = "9"
    & skf18("2","9","1","5","10","7","1") = "9"
    & skf18("2","9","1","5","10","8","1") = "9"
    & skf18("2","9","1","5","10","9","1") = "9"
    & skf18("2","9","1","5","10","10","1") = "9"
    & skf18("2","9","1","6","1","1","1") = "8"
    & skf18("2","9","1","6","1","2","1") = "8"
    & skf18("2","9","1","6","1","3","1") = "8"
    & skf18("2","9","1","6","1","4","1") = "8"
    & skf18("2","9","1","6","1","5","1") = "8"
    & skf18("2","9","1","6","1","6","1") = "8"
    & skf18("2","9","1","6","1","7","1") = "8"
    & skf18("2","9","1","6","1","8","1") = "8"
    & skf18("2","9","1","6","1","9","1") = "8"
    & skf18("2","9","1","6","1","10","1") = "9"
    & skf18("2","9","1","6","2","1","1") = "8"
    & skf18("2","9","1","6","2","2","1") = "8"
    & skf18("2","9","1","6","2","3","1") = "8"
    & skf18("2","9","1","6","2","4","1") = "8"
    & skf18("2","9","1","6","2","5","1") = "8"
    & skf18("2","9","1","6","2","6","1") = "8"
    & skf18("2","9","1","6","2","7","1") = "8"
    & skf18("2","9","1","6","2","8","1") = "8"
    & skf18("2","9","1","6","2","9","1") = "8"
    & skf18("2","9","1","6","2","10","1") = "9"
    & skf18("2","9","1","6","3","1","1") = "8"
    & skf18("2","9","1","6","3","2","1") = "8"
    & skf18("2","9","1","6","3","3","1") = "8"
    & skf18("2","9","1","6","3","4","1") = "8"
    & skf18("2","9","1","6","3","5","1") = "8"
    & skf18("2","9","1","6","3","6","1") = "8"
    & skf18("2","9","1","6","3","7","1") = "8"
    & skf18("2","9","1","6","3","8","1") = "8"
    & skf18("2","9","1","6","3","9","1") = "8"
    & skf18("2","9","1","6","3","10","1") = "9"
    & skf18("2","9","1","6","4","1","1") = "8"
    & skf18("2","9","1","6","4","2","1") = "8"
    & skf18("2","9","1","6","4","3","1") = "8"
    & skf18("2","9","1","6","4","4","1") = "8"
    & skf18("2","9","1","6","4","5","1") = "8"
    & skf18("2","9","1","6","4","6","1") = "8"
    & skf18("2","9","1","6","4","7","1") = "8"
    & skf18("2","9","1","6","4","8","1") = "8"
    & skf18("2","9","1","6","4","9","1") = "8"
    & skf18("2","9","1","6","4","10","1") = "9"
    & skf18("2","9","1","6","5","1","1") = "8"
    & skf18("2","9","1","6","5","2","1") = "8"
    & skf18("2","9","1","6","5","3","1") = "8"
    & skf18("2","9","1","6","5","4","1") = "8"
    & skf18("2","9","1","6","5","5","1") = "8"
    & skf18("2","9","1","6","5","6","1") = "8"
    & skf18("2","9","1","6","5","7","1") = "8"
    & skf18("2","9","1","6","5","8","1") = "8"
    & skf18("2","9","1","6","5","9","1") = "8"
    & skf18("2","9","1","6","5","10","1") = "9"
    & skf18("2","9","1","6","6","1","1") = "8"
    & skf18("2","9","1","6","6","2","1") = "8"
    & skf18("2","9","1","6","6","3","1") = "8"
    & skf18("2","9","1","6","6","4","1") = "8"
    & skf18("2","9","1","6","6","5","1") = "8"
    & skf18("2","9","1","6","6","6","1") = "8"
    & skf18("2","9","1","6","6","7","1") = "8"
    & skf18("2","9","1","6","6","8","1") = "8"
    & skf18("2","9","1","6","6","9","1") = "8"
    & skf18("2","9","1","6","6","10","1") = "9"
    & skf18("2","9","1","6","7","1","1") = "8"
    & skf18("2","9","1","6","7","2","1") = "8"
    & skf18("2","9","1","6","7","3","1") = "8"
    & skf18("2","9","1","6","7","4","1") = "8"
    & skf18("2","9","1","6","7","5","1") = "8"
    & skf18("2","9","1","6","7","6","1") = "8"
    & skf18("2","9","1","6","7","7","1") = "8"
    & skf18("2","9","1","6","7","8","1") = "8"
    & skf18("2","9","1","6","7","9","1") = "8"
    & skf18("2","9","1","6","7","10","1") = "9"
    & skf18("2","9","1","6","8","1","1") = "8"
    & skf18("2","9","1","6","8","2","1") = "8"
    & skf18("2","9","1","6","8","3","1") = "8"
    & skf18("2","9","1","6","8","4","1") = "8"
    & skf18("2","9","1","6","8","5","1") = "8"
    & skf18("2","9","1","6","8","6","1") = "8"
    & skf18("2","9","1","6","8","7","1") = "8"
    & skf18("2","9","1","6","8","8","1") = "8"
    & skf18("2","9","1","6","8","9","1") = "8"
    & skf18("2","9","1","6","8","10","1") = "9"
    & skf18("2","9","1","6","9","1","1") = "8"
    & skf18("2","9","1","6","9","2","1") = "8"
    & skf18("2","9","1","6","9","3","1") = "8"
    & skf18("2","9","1","6","9","4","1") = "8"
    & skf18("2","9","1","6","9","5","1") = "8"
    & skf18("2","9","1","6","9","6","1") = "8"
    & skf18("2","9","1","6","9","7","1") = "8"
    & skf18("2","9","1","6","9","8","1") = "8"
    & skf18("2","9","1","6","9","9","1") = "8"
    & skf18("2","9","1","6","9","10","1") = "9"
    & skf18("2","9","1","6","10","1","1") = "9"
    & skf18("2","9","1","6","10","2","1") = "9"
    & skf18("2","9","1","6","10","3","1") = "9"
    & skf18("2","9","1","6","10","4","1") = "9"
    & skf18("2","9","1","6","10","5","1") = "9"
    & skf18("2","9","1","6","10","6","1") = "9"
    & skf18("2","9","1","6","10","7","1") = "9"
    & skf18("2","9","1","6","10","8","1") = "9"
    & skf18("2","9","1","6","10","9","1") = "9"
    & skf18("2","9","1","6","10","10","1") = "9"
    & skf18("2","9","1","7","1","1","1") = "8"
    & skf18("2","9","1","7","1","2","1") = "8"
    & skf18("2","9","1","7","1","3","1") = "8"
    & skf18("2","9","1","7","1","4","1") = "8"
    & skf18("2","9","1","7","1","5","1") = "8"
    & skf18("2","9","1","7","1","6","1") = "8"
    & skf18("2","9","1","7","1","7","1") = "8"
    & skf18("2","9","1","7","1","8","1") = "8"
    & skf18("2","9","1","7","1","9","1") = "8"
    & skf18("2","9","1","7","1","10","1") = "9"
    & skf18("2","9","1","7","2","1","1") = "8"
    & skf18("2","9","1","7","2","2","1") = "8"
    & skf18("2","9","1","7","2","3","1") = "8"
    & skf18("2","9","1","7","2","4","1") = "8"
    & skf18("2","9","1","7","2","5","1") = "8"
    & skf18("2","9","1","7","2","6","1") = "8"
    & skf18("2","9","1","7","2","7","1") = "8"
    & skf18("2","9","1","7","2","8","1") = "8"
    & skf18("2","9","1","7","2","9","1") = "8"
    & skf18("2","9","1","7","2","10","1") = "9"
    & skf18("2","9","1","7","3","1","1") = "8"
    & skf18("2","9","1","7","3","2","1") = "8"
    & skf18("2","9","1","7","3","3","1") = "8"
    & skf18("2","9","1","7","3","4","1") = "8"
    & skf18("2","9","1","7","3","5","1") = "8"
    & skf18("2","9","1","7","3","6","1") = "8"
    & skf18("2","9","1","7","3","7","1") = "8"
    & skf18("2","9","1","7","3","8","1") = "8"
    & skf18("2","9","1","7","3","9","1") = "8"
    & skf18("2","9","1","7","3","10","1") = "9"
    & skf18("2","9","1","7","4","1","1") = "8"
    & skf18("2","9","1","7","4","2","1") = "8"
    & skf18("2","9","1","7","4","3","1") = "8"
    & skf18("2","9","1","7","4","4","1") = "8"
    & skf18("2","9","1","7","4","5","1") = "8"
    & skf18("2","9","1","7","4","6","1") = "8"
    & skf18("2","9","1","7","4","7","1") = "8"
    & skf18("2","9","1","7","4","8","1") = "8"
    & skf18("2","9","1","7","4","9","1") = "8"
    & skf18("2","9","1","7","4","10","1") = "9"
    & skf18("2","9","1","7","5","1","1") = "8"
    & skf18("2","9","1","7","5","2","1") = "8"
    & skf18("2","9","1","7","5","3","1") = "8"
    & skf18("2","9","1","7","5","4","1") = "8"
    & skf18("2","9","1","7","5","5","1") = "8"
    & skf18("2","9","1","7","5","6","1") = "8"
    & skf18("2","9","1","7","5","7","1") = "8"
    & skf18("2","9","1","7","5","8","1") = "8"
    & skf18("2","9","1","7","5","9","1") = "8"
    & skf18("2","9","1","7","5","10","1") = "9"
    & skf18("2","9","1","7","6","1","1") = "8"
    & skf18("2","9","1","7","6","2","1") = "8"
    & skf18("2","9","1","7","6","3","1") = "8"
    & skf18("2","9","1","7","6","4","1") = "8"
    & skf18("2","9","1","7","6","5","1") = "8"
    & skf18("2","9","1","7","6","6","1") = "8"
    & skf18("2","9","1","7","6","7","1") = "8"
    & skf18("2","9","1","7","6","8","1") = "8"
    & skf18("2","9","1","7","6","9","1") = "8"
    & skf18("2","9","1","7","6","10","1") = "9"
    & skf18("2","9","1","7","7","1","1") = "8"
    & skf18("2","9","1","7","7","2","1") = "8"
    & skf18("2","9","1","7","7","3","1") = "8"
    & skf18("2","9","1","7","7","4","1") = "8"
    & skf18("2","9","1","7","7","5","1") = "8"
    & skf18("2","9","1","7","7","6","1") = "8"
    & skf18("2","9","1","7","7","7","1") = "8"
    & skf18("2","9","1","7","7","8","1") = "8"
    & skf18("2","9","1","7","7","9","1") = "8"
    & skf18("2","9","1","7","7","10","1") = "9"
    & skf18("2","9","1","7","8","1","1") = "8"
    & skf18("2","9","1","7","8","2","1") = "8"
    & skf18("2","9","1","7","8","3","1") = "8"
    & skf18("2","9","1","7","8","4","1") = "8"
    & skf18("2","9","1","7","8","5","1") = "8"
    & skf18("2","9","1","7","8","6","1") = "8"
    & skf18("2","9","1","7","8","7","1") = "8"
    & skf18("2","9","1","7","8","8","1") = "8"
    & skf18("2","9","1","7","8","9","1") = "8"
    & skf18("2","9","1","7","8","10","1") = "9"
    & skf18("2","9","1","7","9","1","1") = "8"
    & skf18("2","9","1","7","9","2","1") = "8"
    & skf18("2","9","1","7","9","3","1") = "8"
    & skf18("2","9","1","7","9","4","1") = "8"
    & skf18("2","9","1","7","9","5","1") = "8"
    & skf18("2","9","1","7","9","6","1") = "8"
    & skf18("2","9","1","7","9","7","1") = "8"
    & skf18("2","9","1","7","9","8","1") = "8"
    & skf18("2","9","1","7","9","9","1") = "8"
    & skf18("2","9","1","7","9","10","1") = "9"
    & skf18("2","9","1","7","10","1","1") = "9"
    & skf18("2","9","1","7","10","2","1") = "9"
    & skf18("2","9","1","7","10","3","1") = "9"
    & skf18("2","9","1","7","10","4","1") = "9"
    & skf18("2","9","1","7","10","5","1") = "9"
    & skf18("2","9","1","7","10","6","1") = "9"
    & skf18("2","9","1","7","10","7","1") = "9"
    & skf18("2","9","1","7","10","8","1") = "9"
    & skf18("2","9","1","7","10","9","1") = "9"
    & skf18("2","9","1","7","10","10","1") = "9"
    & skf18("2","9","1","8","1","1","1") = "8"
    & skf18("2","9","1","8","1","2","1") = "8"
    & skf18("2","9","1","8","1","3","1") = "8"
    & skf18("2","9","1","8","1","4","1") = "8"
    & skf18("2","9","1","8","1","5","1") = "8"
    & skf18("2","9","1","8","1","6","1") = "8"
    & skf18("2","9","1","8","1","7","1") = "8"
    & skf18("2","9","1","8","1","8","1") = "8"
    & skf18("2","9","1","8","1","9","1") = "8"
    & skf18("2","9","1","8","1","10","1") = "9"
    & skf18("2","9","1","8","2","1","1") = "8"
    & skf18("2","9","1","8","2","2","1") = "8"
    & skf18("2","9","1","8","2","3","1") = "8"
    & skf18("2","9","1","8","2","4","1") = "8"
    & skf18("2","9","1","8","2","5","1") = "8"
    & skf18("2","9","1","8","2","6","1") = "8"
    & skf18("2","9","1","8","2","7","1") = "8"
    & skf18("2","9","1","8","2","8","1") = "8"
    & skf18("2","9","1","8","2","9","1") = "8"
    & skf18("2","9","1","8","2","10","1") = "9"
    & skf18("2","9","1","8","3","1","1") = "8"
    & skf18("2","9","1","8","3","2","1") = "8"
    & skf18("2","9","1","8","3","3","1") = "8"
    & skf18("2","9","1","8","3","4","1") = "8"
    & skf18("2","9","1","8","3","5","1") = "8"
    & skf18("2","9","1","8","3","6","1") = "8"
    & skf18("2","9","1","8","3","7","1") = "8"
    & skf18("2","9","1","8","3","8","1") = "8"
    & skf18("2","9","1","8","3","9","1") = "8"
    & skf18("2","9","1","8","3","10","1") = "9"
    & skf18("2","9","1","8","4","1","1") = "8"
    & skf18("2","9","1","8","4","2","1") = "8"
    & skf18("2","9","1","8","4","3","1") = "8"
    & skf18("2","9","1","8","4","4","1") = "8"
    & skf18("2","9","1","8","4","5","1") = "8"
    & skf18("2","9","1","8","4","6","1") = "8"
    & skf18("2","9","1","8","4","7","1") = "8"
    & skf18("2","9","1","8","4","8","1") = "8"
    & skf18("2","9","1","8","4","9","1") = "8"
    & skf18("2","9","1","8","4","10","1") = "9"
    & skf18("2","9","1","8","5","1","1") = "8"
    & skf18("2","9","1","8","5","2","1") = "8"
    & skf18("2","9","1","8","5","3","1") = "8"
    & skf18("2","9","1","8","5","4","1") = "8"
    & skf18("2","9","1","8","5","5","1") = "8"
    & skf18("2","9","1","8","5","6","1") = "8"
    & skf18("2","9","1","8","5","7","1") = "8"
    & skf18("2","9","1","8","5","8","1") = "8"
    & skf18("2","9","1","8","5","9","1") = "8"
    & skf18("2","9","1","8","5","10","1") = "9"
    & skf18("2","9","1","8","6","1","1") = "8"
    & skf18("2","9","1","8","6","2","1") = "8"
    & skf18("2","9","1","8","6","3","1") = "8"
    & skf18("2","9","1","8","6","4","1") = "8"
    & skf18("2","9","1","8","6","5","1") = "8"
    & skf18("2","9","1","8","6","6","1") = "8"
    & skf18("2","9","1","8","6","7","1") = "8"
    & skf18("2","9","1","8","6","8","1") = "8"
    & skf18("2","9","1","8","6","9","1") = "8"
    & skf18("2","9","1","8","6","10","1") = "9"
    & skf18("2","9","1","8","7","1","1") = "8"
    & skf18("2","9","1","8","7","2","1") = "8"
    & skf18("2","9","1","8","7","3","1") = "8"
    & skf18("2","9","1","8","7","4","1") = "8"
    & skf18("2","9","1","8","7","5","1") = "8"
    & skf18("2","9","1","8","7","6","1") = "8"
    & skf18("2","9","1","8","7","7","1") = "8"
    & skf18("2","9","1","8","7","8","1") = "8"
    & skf18("2","9","1","8","7","9","1") = "8"
    & skf18("2","9","1","8","7","10","1") = "9"
    & skf18("2","9","1","8","8","1","1") = "8"
    & skf18("2","9","1","8","8","2","1") = "8"
    & skf18("2","9","1","8","8","3","1") = "8"
    & skf18("2","9","1","8","8","4","1") = "8"
    & skf18("2","9","1","8","8","5","1") = "8"
    & skf18("2","9","1","8","8","6","1") = "8"
    & skf18("2","9","1","8","8","7","1") = "8"
    & skf18("2","9","1","8","8","8","1") = "8"
    & skf18("2","9","1","8","8","9","1") = "8"
    & skf18("2","9","1","8","8","10","1") = "9"
    & skf18("2","9","1","8","9","1","1") = "8"
    & skf18("2","9","1","8","9","2","1") = "8"
    & skf18("2","9","1","8","9","3","1") = "8"
    & skf18("2","9","1","8","9","4","1") = "8"
    & skf18("2","9","1","8","9","5","1") = "8"
    & skf18("2","9","1","8","9","6","1") = "8"
    & skf18("2","9","1","8","9","7","1") = "8"
    & skf18("2","9","1","8","9","8","1") = "8"
    & skf18("2","9","1","8","9","9","1") = "8"
    & skf18("2","9","1","8","9","10","1") = "9"
    & skf18("2","9","1","8","10","1","1") = "9"
    & skf18("2","9","1","8","10","2","1") = "9"
    & skf18("2","9","1","8","10","3","1") = "9"
    & skf18("2","9","1","8","10","4","1") = "9"
    & skf18("2","9","1","8","10","5","1") = "9"
    & skf18("2","9","1","8","10","6","1") = "9"
    & skf18("2","9","1","8","10","7","1") = "9"
    & skf18("2","9","1","8","10","8","1") = "9"
    & skf18("2","9","1","8","10","9","1") = "9"
    & skf18("2","9","1","8","10","10","1") = "9"
    & skf18("2","9","1","9","1","1","1") = "8"
    & skf18("2","9","1","9","1","2","1") = "8"
    & skf18("2","9","1","9","1","3","1") = "8"
    & skf18("2","9","1","9","1","4","1") = "8"
    & skf18("2","9","1","9","1","5","1") = "8"
    & skf18("2","9","1","9","1","6","1") = "8"
    & skf18("2","9","1","9","1","7","1") = "8"
    & skf18("2","9","1","9","1","8","1") = "8"
    & skf18("2","9","1","9","1","9","1") = "8"
    & skf18("2","9","1","9","1","10","1") = "9"
    & skf18("2","9","1","9","2","1","1") = "8"
    & skf18("2","9","1","9","2","2","1") = "8"
    & skf18("2","9","1","9","2","3","1") = "8"
    & skf18("2","9","1","9","2","4","1") = "8"
    & skf18("2","9","1","9","2","5","1") = "8"
    & skf18("2","9","1","9","2","6","1") = "8"
    & skf18("2","9","1","9","2","7","1") = "8"
    & skf18("2","9","1","9","2","8","1") = "8"
    & skf18("2","9","1","9","2","9","1") = "8"
    & skf18("2","9","1","9","2","10","1") = "9"
    & skf18("2","9","1","9","3","1","1") = "8"
    & skf18("2","9","1","9","3","2","1") = "8"
    & skf18("2","9","1","9","3","3","1") = "8"
    & skf18("2","9","1","9","3","4","1") = "8"
    & skf18("2","9","1","9","3","5","1") = "8"
    & skf18("2","9","1","9","3","6","1") = "8"
    & skf18("2","9","1","9","3","7","1") = "8"
    & skf18("2","9","1","9","3","8","1") = "8"
    & skf18("2","9","1","9","3","9","1") = "8"
    & skf18("2","9","1","9","3","10","1") = "9"
    & skf18("2","9","1","9","4","1","1") = "8"
    & skf18("2","9","1","9","4","2","1") = "8"
    & skf18("2","9","1","9","4","3","1") = "8"
    & skf18("2","9","1","9","4","4","1") = "8"
    & skf18("2","9","1","9","4","5","1") = "8"
    & skf18("2","9","1","9","4","6","1") = "8"
    & skf18("2","9","1","9","4","7","1") = "8"
    & skf18("2","9","1","9","4","8","1") = "8"
    & skf18("2","9","1","9","4","9","1") = "8"
    & skf18("2","9","1","9","4","10","1") = "9"
    & skf18("2","9","1","9","5","1","1") = "8"
    & skf18("2","9","1","9","5","2","1") = "8"
    & skf18("2","9","1","9","5","3","1") = "8"
    & skf18("2","9","1","9","5","4","1") = "8"
    & skf18("2","9","1","9","5","5","1") = "8"
    & skf18("2","9","1","9","5","6","1") = "8"
    & skf18("2","9","1","9","5","7","1") = "8"
    & skf18("2","9","1","9","5","8","1") = "8"
    & skf18("2","9","1","9","5","9","1") = "8"
    & skf18("2","9","1","9","5","10","1") = "9"
    & skf18("2","9","1","9","6","1","1") = "8"
    & skf18("2","9","1","9","6","2","1") = "8"
    & skf18("2","9","1","9","6","3","1") = "8"
    & skf18("2","9","1","9","6","4","1") = "8"
    & skf18("2","9","1","9","6","5","1") = "8"
    & skf18("2","9","1","9","6","6","1") = "8"
    & skf18("2","9","1","9","6","7","1") = "8"
    & skf18("2","9","1","9","6","8","1") = "8"
    & skf18("2","9","1","9","6","9","1") = "8"
    & skf18("2","9","1","9","6","10","1") = "9"
    & skf18("2","9","1","9","7","1","1") = "8"
    & skf18("2","9","1","9","7","2","1") = "8"
    & skf18("2","9","1","9","7","3","1") = "8"
    & skf18("2","9","1","9","7","4","1") = "8"
    & skf18("2","9","1","9","7","5","1") = "8"
    & skf18("2","9","1","9","7","6","1") = "8"
    & skf18("2","9","1","9","7","7","1") = "8"
    & skf18("2","9","1","9","7","8","1") = "8"
    & skf18("2","9","1","9","7","9","1") = "8"
    & skf18("2","9","1","9","7","10","1") = "9"
    & skf18("2","9","1","9","8","1","1") = "8"
    & skf18("2","9","1","9","8","2","1") = "8"
    & skf18("2","9","1","9","8","3","1") = "8"
    & skf18("2","9","1","9","8","4","1") = "8"
    & skf18("2","9","1","9","8","5","1") = "8"
    & skf18("2","9","1","9","8","6","1") = "8"
    & skf18("2","9","1","9","8","7","1") = "8"
    & skf18("2","9","1","9","8","8","1") = "8"
    & skf18("2","9","1","9","8","9","1") = "8"
    & skf18("2","9","1","9","8","10","1") = "9"
    & skf18("2","9","1","9","9","1","1") = "8"
    & skf18("2","9","1","9","9","2","1") = "8"
    & skf18("2","9","1","9","9","3","1") = "8"
    & skf18("2","9","1","9","9","4","1") = "8"
    & skf18("2","9","1","9","9","5","1") = "8"
    & skf18("2","9","1","9","9","6","1") = "8"
    & skf18("2","9","1","9","9","7","1") = "8"
    & skf18("2","9","1","9","9","8","1") = "8"
    & skf18("2","9","1","9","9","9","1") = "8"
    & skf18("2","9","1","9","9","10","1") = "9"
    & skf18("2","9","1","9","10","1","1") = "9"
    & skf18("2","9","1","9","10","2","1") = "9"
    & skf18("2","9","1","9","10","3","1") = "9"
    & skf18("2","9","1","9","10","4","1") = "9"
    & skf18("2","9","1","9","10","5","1") = "9"
    & skf18("2","9","1","9","10","6","1") = "9"
    & skf18("2","9","1","9","10","7","1") = "9"
    & skf18("2","9","1","9","10","8","1") = "9"
    & skf18("2","9","1","9","10","9","1") = "9"
    & skf18("2","9","1","9","10","10","1") = "9"
    & skf18("2","9","1","10","1","1","1") = "9"
    & skf18("2","9","1","10","1","2","1") = "9"
    & skf18("2","9","1","10","1","3","1") = "9"
    & skf18("2","9","1","10","1","4","1") = "9"
    & skf18("2","9","1","10","1","5","1") = "9"
    & skf18("2","9","1","10","1","6","1") = "9"
    & skf18("2","9","1","10","1","7","1") = "9"
    & skf18("2","9","1","10","1","8","1") = "9"
    & skf18("2","9","1","10","1","9","1") = "9"
    & skf18("2","9","1","10","1","10","1") = "9"
    & skf18("2","9","1","10","2","1","1") = "9"
    & skf18("2","9","1","10","2","2","1") = "9"
    & skf18("2","9","1","10","2","3","1") = "9"
    & skf18("2","9","1","10","2","4","1") = "9"
    & skf18("2","9","1","10","2","5","1") = "9"
    & skf18("2","9","1","10","2","6","1") = "9"
    & skf18("2","9","1","10","2","7","1") = "9"
    & skf18("2","9","1","10","2","8","1") = "9"
    & skf18("2","9","1","10","2","9","1") = "9"
    & skf18("2","9","1","10","2","10","1") = "9"
    & skf18("2","9","1","10","3","1","1") = "9"
    & skf18("2","9","1","10","3","2","1") = "9"
    & skf18("2","9","1","10","3","3","1") = "9"
    & skf18("2","9","1","10","3","4","1") = "9"
    & skf18("2","9","1","10","3","5","1") = "9"
    & skf18("2","9","1","10","3","6","1") = "9"
    & skf18("2","9","1","10","3","7","1") = "9"
    & skf18("2","9","1","10","3","8","1") = "9"
    & skf18("2","9","1","10","3","9","1") = "9"
    & skf18("2","9","1","10","3","10","1") = "9"
    & skf18("2","9","1","10","4","1","1") = "9"
    & skf18("2","9","1","10","4","2","1") = "9"
    & skf18("2","9","1","10","4","3","1") = "9"
    & skf18("2","9","1","10","4","4","1") = "9"
    & skf18("2","9","1","10","4","5","1") = "9"
    & skf18("2","9","1","10","4","6","1") = "9"
    & skf18("2","9","1","10","4","7","1") = "9"
    & skf18("2","9","1","10","4","8","1") = "9"
    & skf18("2","9","1","10","4","9","1") = "9"
    & skf18("2","9","1","10","4","10","1") = "9"
    & skf18("2","9","1","10","5","1","1") = "9"
    & skf18("2","9","1","10","5","2","1") = "9"
    & skf18("2","9","1","10","5","3","1") = "9"
    & skf18("2","9","1","10","5","4","1") = "9"
    & skf18("2","9","1","10","5","5","1") = "9"
    & skf18("2","9","1","10","5","6","1") = "9"
    & skf18("2","9","1","10","5","7","1") = "9"
    & skf18("2","9","1","10","5","8","1") = "9"
    & skf18("2","9","1","10","5","9","1") = "9"
    & skf18("2","9","1","10","5","10","1") = "9"
    & skf18("2","9","1","10","6","1","1") = "9"
    & skf18("2","9","1","10","6","2","1") = "9"
    & skf18("2","9","1","10","6","3","1") = "9"
    & skf18("2","9","1","10","6","4","1") = "9"
    & skf18("2","9","1","10","6","5","1") = "9"
    & skf18("2","9","1","10","6","6","1") = "9"
    & skf18("2","9","1","10","6","7","1") = "9"
    & skf18("2","9","1","10","6","8","1") = "9"
    & skf18("2","9","1","10","6","9","1") = "9"
    & skf18("2","9","1","10","6","10","1") = "9"
    & skf18("2","9","1","10","7","1","1") = "9"
    & skf18("2","9","1","10","7","2","1") = "9"
    & skf18("2","9","1","10","7","3","1") = "9"
    & skf18("2","9","1","10","7","4","1") = "9"
    & skf18("2","9","1","10","7","5","1") = "9"
    & skf18("2","9","1","10","7","6","1") = "9"
    & skf18("2","9","1","10","7","7","1") = "9"
    & skf18("2","9","1","10","7","8","1") = "9"
    & skf18("2","9","1","10","7","9","1") = "9"
    & skf18("2","9","1","10","7","10","1") = "9"
    & skf18("2","9","1","10","8","1","1") = "9"
    & skf18("2","9","1","10","8","2","1") = "9"
    & skf18("2","9","1","10","8","3","1") = "9"
    & skf18("2","9","1","10","8","4","1") = "9"
    & skf18("2","9","1","10","8","5","1") = "9"
    & skf18("2","9","1","10","8","6","1") = "9"
    & skf18("2","9","1","10","8","7","1") = "9"
    & skf18("2","9","1","10","8","8","1") = "9"
    & skf18("2","9","1","10","8","9","1") = "9"
    & skf18("2","9","1","10","8","10","1") = "9"
    & skf18("2","9","1","10","9","1","1") = "9"
    & skf18("2","9","1","10","9","2","1") = "9"
    & skf18("2","9","1","10","9","3","1") = "9"
    & skf18("2","9","1","10","9","4","1") = "9"
    & skf18("2","9","1","10","9","5","1") = "9"
    & skf18("2","9","1","10","9","6","1") = "9"
    & skf18("2","9","1","10","9","7","1") = "9"
    & skf18("2","9","1","10","9","8","1") = "9"
    & skf18("2","9","1","10","9","9","1") = "9"
    & skf18("2","9","1","10","9","10","1") = "9"
    & skf18("2","9","1","10","10","1","1") = "9"
    & skf18("2","9","1","10","10","2","1") = "9"
    & skf18("2","9","1","10","10","3","1") = "9"
    & skf18("2","9","1","10","10","4","1") = "9"
    & skf18("2","9","1","10","10","5","1") = "9"
    & skf18("2","9","1","10","10","6","1") = "9"
    & skf18("2","9","1","10","10","7","1") = "9"
    & skf18("2","9","1","10","10","8","1") = "9"
    & skf18("2","9","1","10","10","9","1") = "9"
    & skf18("2","9","1","10","10","10","1") = "9"
    & skf18("2","9","2","1","1","1","1") = "8"
    & skf18("2","9","2","1","1","2","1") = "8"
    & skf18("2","9","2","1","1","3","1") = "8"
    & skf18("2","9","2","1","1","4","1") = "8"
    & skf18("2","9","2","1","1","5","1") = "8"
    & skf18("2","9","2","1","1","6","1") = "8"
    & skf18("2","9","2","1","1","7","1") = "8"
    & skf18("2","9","2","1","1","8","1") = "8"
    & skf18("2","9","2","1","1","9","1") = "8"
    & skf18("2","9","2","1","1","10","1") = "9"
    & skf18("2","9","2","1","2","1","1") = "8"
    & skf18("2","9","2","1","2","2","1") = "8"
    & skf18("2","9","2","1","2","3","1") = "8"
    & skf18("2","9","2","1","2","4","1") = "8"
    & skf18("2","9","2","1","2","5","1") = "8"
    & skf18("2","9","2","1","2","6","1") = "8"
    & skf18("2","9","2","1","2","7","1") = "8"
    & skf18("2","9","2","1","2","8","1") = "8"
    & skf18("2","9","2","1","2","9","1") = "8"
    & skf18("2","9","2","1","2","10","1") = "9"
    & skf18("2","9","2","1","3","1","1") = "8"
    & skf18("2","9","2","1","3","2","1") = "8"
    & skf18("2","9","2","1","3","3","1") = "8"
    & skf18("2","9","2","1","3","4","1") = "8"
    & skf18("2","9","2","1","3","5","1") = "8"
    & skf18("2","9","2","1","3","6","1") = "8"
    & skf18("2","9","2","1","3","7","1") = "8"
    & skf18("2","9","2","1","3","8","1") = "8"
    & skf18("2","9","2","1","3","9","1") = "8"
    & skf18("2","9","2","1","3","10","1") = "9"
    & skf18("2","9","2","1","4","1","1") = "8"
    & skf18("2","9","2","1","4","2","1") = "8"
    & skf18("2","9","2","1","4","3","1") = "8"
    & skf18("2","9","2","1","4","4","1") = "8"
    & skf18("2","9","2","1","4","5","1") = "8"
    & skf18("2","9","2","1","4","6","1") = "8"
    & skf18("2","9","2","1","4","7","1") = "8"
    & skf18("2","9","2","1","4","8","1") = "8"
    & skf18("2","9","2","1","4","9","1") = "8"
    & skf18("2","9","2","1","4","10","1") = "9"
    & skf18("2","9","2","1","5","1","1") = "8"
    & skf18("2","9","2","1","5","2","1") = "8"
    & skf18("2","9","2","1","5","3","1") = "8"
    & skf18("2","9","2","1","5","4","1") = "8"
    & skf18("2","9","2","1","5","5","1") = "8"
    & skf18("2","9","2","1","5","6","1") = "8"
    & skf18("2","9","2","1","5","7","1") = "8"
    & skf18("2","9","2","1","5","8","1") = "8"
    & skf18("2","9","2","1","5","9","1") = "8"
    & skf18("2","9","2","1","5","10","1") = "9"
    & skf18("2","9","2","1","6","1","1") = "8"
    & skf18("2","9","2","1","6","2","1") = "8"
    & skf18("2","9","2","1","6","3","1") = "8"
    & skf18("2","9","2","1","6","4","1") = "8"
    & skf18("2","9","2","1","6","5","1") = "8"
    & skf18("2","9","2","1","6","6","1") = "8"
    & skf18("2","9","2","1","6","7","1") = "8"
    & skf18("2","9","2","1","6","8","1") = "8"
    & skf18("2","9","2","1","6","9","1") = "8"
    & skf18("2","9","2","1","6","10","1") = "9"
    & skf18("2","9","2","1","7","1","1") = "8"
    & skf18("2","9","2","1","7","2","1") = "8"
    & skf18("2","9","2","1","7","3","1") = "8"
    & skf18("2","9","2","1","7","4","1") = "8"
    & skf18("2","9","2","1","7","5","1") = "8"
    & skf18("2","9","2","1","7","6","1") = "8"
    & skf18("2","9","2","1","7","7","1") = "8"
    & skf18("2","9","2","1","7","8","1") = "8"
    & skf18("2","9","2","1","7","9","1") = "8"
    & skf18("2","9","2","1","7","10","1") = "9"
    & skf18("2","9","2","1","8","1","1") = "8"
    & skf18("2","9","2","1","8","2","1") = "8"
    & skf18("2","9","2","1","8","3","1") = "8"
    & skf18("2","9","2","1","8","4","1") = "8"
    & skf18("2","9","2","1","8","5","1") = "8"
    & skf18("2","9","2","1","8","6","1") = "8"
    & skf18("2","9","2","1","8","7","1") = "8"
    & skf18("2","9","2","1","8","8","1") = "8"
    & skf18("2","9","2","1","8","9","1") = "8"
    & skf18("2","9","2","1","8","10","1") = "9"
    & skf18("2","9","2","1","9","1","1") = "8"
    & skf18("2","9","2","1","9","2","1") = "8"
    & skf18("2","9","2","1","9","3","1") = "8"
    & skf18("2","9","2","1","9","4","1") = "8"
    & skf18("2","9","2","1","9","5","1") = "8"
    & skf18("2","9","2","1","9","6","1") = "8"
    & skf18("2","9","2","1","9","7","1") = "8"
    & skf18("2","9","2","1","9","8","1") = "8"
    & skf18("2","9","2","1","9","9","1") = "8"
    & skf18("2","9","2","1","9","10","1") = "9"
    & skf18("2","9","2","1","10","1","1") = "9"
    & skf18("2","9","2","1","10","2","1") = "9"
    & skf18("2","9","2","1","10","3","1") = "9"
    & skf18("2","9","2","1","10","4","1") = "9"
    & skf18("2","9","2","1","10","5","1") = "9"
    & skf18("2","9","2","1","10","6","1") = "9"
    & skf18("2","9","2","1","10","7","1") = "9"
    & skf18("2","9","2","1","10","8","1") = "9"
    & skf18("2","9","2","1","10","9","1") = "9"
    & skf18("2","9","2","1","10","10","1") = "9"
    & skf18("2","9","2","2","1","1","1") = "8"
    & skf18("2","9","2","2","1","2","1") = "8"
    & skf18("2","9","2","2","1","3","1") = "8"
    & skf18("2","9","2","2","1","4","1") = "8"
    & skf18("2","9","2","2","1","5","1") = "8"
    & skf18("2","9","2","2","1","6","1") = "8"
    & skf18("2","9","2","2","1","7","1") = "8"
    & skf18("2","9","2","2","1","8","1") = "8"
    & skf18("2","9","2","2","1","9","1") = "8"
    & skf18("2","9","2","2","1","10","1") = "9"
    & skf18("2","9","2","2","2","1","1") = "8"
    & skf18("2","9","2","2","2","2","1") = "8"
    & skf18("2","9","2","2","2","3","1") = "8"
    & skf18("2","9","2","2","2","4","1") = "8"
    & skf18("2","9","2","2","2","5","1") = "8"
    & skf18("2","9","2","2","2","6","1") = "8"
    & skf18("2","9","2","2","2","7","1") = "8"
    & skf18("2","9","2","2","2","8","1") = "8"
    & skf18("2","9","2","2","2","9","1") = "8"
    & skf18("2","9","2","2","2","10","1") = "9"
    & skf18("2","9","2","2","3","1","1") = "8"
    & skf18("2","9","2","2","3","2","1") = "8"
    & skf18("2","9","2","2","3","3","1") = "8"
    & skf18("2","9","2","2","3","4","1") = "8"
    & skf18("2","9","2","2","3","5","1") = "8"
    & skf18("2","9","2","2","3","6","1") = "8"
    & skf18("2","9","2","2","3","7","1") = "8"
    & skf18("2","9","2","2","3","8","1") = "8"
    & skf18("2","9","2","2","3","9","1") = "8"
    & skf18("2","9","2","2","3","10","1") = "9"
    & skf18("2","9","2","2","4","1","1") = "8"
    & skf18("2","9","2","2","4","2","1") = "8"
    & skf18("2","9","2","2","4","3","1") = "8"
    & skf18("2","9","2","2","4","4","1") = "8"
    & skf18("2","9","2","2","4","5","1") = "8"
    & skf18("2","9","2","2","4","6","1") = "8"
    & skf18("2","9","2","2","4","7","1") = "8"
    & skf18("2","9","2","2","4","8","1") = "8"
    & skf18("2","9","2","2","4","9","1") = "8"
    & skf18("2","9","2","2","4","10","1") = "9"
    & skf18("2","9","2","2","5","1","1") = "8"
    & skf18("2","9","2","2","5","2","1") = "8"
    & skf18("2","9","2","2","5","3","1") = "8"
    & skf18("2","9","2","2","5","4","1") = "8"
    & skf18("2","9","2","2","5","5","1") = "8"
    & skf18("2","9","2","2","5","6","1") = "8"
    & skf18("2","9","2","2","5","7","1") = "8"
    & skf18("2","9","2","2","5","8","1") = "8"
    & skf18("2","9","2","2","5","9","1") = "8"
    & skf18("2","9","2","2","5","10","1") = "9"
    & skf18("2","9","2","2","6","1","1") = "8"
    & skf18("2","9","2","2","6","2","1") = "8"
    & skf18("2","9","2","2","6","3","1") = "8"
    & skf18("2","9","2","2","6","4","1") = "8"
    & skf18("2","9","2","2","6","5","1") = "8"
    & skf18("2","9","2","2","6","6","1") = "8"
    & skf18("2","9","2","2","6","7","1") = "8"
    & skf18("2","9","2","2","6","8","1") = "8"
    & skf18("2","9","2","2","6","9","1") = "8"
    & skf18("2","9","2","2","6","10","1") = "9"
    & skf18("2","9","2","2","7","1","1") = "8"
    & skf18("2","9","2","2","7","2","1") = "8"
    & skf18("2","9","2","2","7","3","1") = "8"
    & skf18("2","9","2","2","7","4","1") = "8"
    & skf18("2","9","2","2","7","5","1") = "8"
    & skf18("2","9","2","2","7","6","1") = "8"
    & skf18("2","9","2","2","7","7","1") = "8"
    & skf18("2","9","2","2","7","8","1") = "8"
    & skf18("2","9","2","2","7","9","1") = "8"
    & skf18("2","9","2","2","7","10","1") = "9"
    & skf18("2","9","2","2","8","1","1") = "8"
    & skf18("2","9","2","2","8","2","1") = "8"
    & skf18("2","9","2","2","8","3","1") = "8"
    & skf18("2","9","2","2","8","4","1") = "8"
    & skf18("2","9","2","2","8","5","1") = "8"
    & skf18("2","9","2","2","8","6","1") = "8"
    & skf18("2","9","2","2","8","7","1") = "8"
    & skf18("2","9","2","2","8","8","1") = "8"
    & skf18("2","9","2","2","8","9","1") = "8"
    & skf18("2","9","2","2","8","10","1") = "9"
    & skf18("2","9","2","2","9","1","1") = "8"
    & skf18("2","9","2","2","9","2","1") = "8"
    & skf18("2","9","2","2","9","3","1") = "8"
    & skf18("2","9","2","2","9","4","1") = "8"
    & skf18("2","9","2","2","9","5","1") = "8"
    & skf18("2","9","2","2","9","6","1") = "8"
    & skf18("2","9","2","2","9","7","1") = "8"
    & skf18("2","9","2","2","9","8","1") = "8"
    & skf18("2","9","2","2","9","9","1") = "8"
    & skf18("2","9","2","2","9","10","1") = "9"
    & skf18("2","9","2","2","10","1","1") = "9"
    & skf18("2","9","2","2","10","2","1") = "9"
    & skf18("2","9","2","2","10","3","1") = "9"
    & skf18("2","9","2","2","10","4","1") = "9"
    & skf18("2","9","2","2","10","5","1") = "9"
    & skf18("2","9","2","2","10","6","1") = "9"
    & skf18("2","9","2","2","10","7","1") = "9"
    & skf18("2","9","2","2","10","8","1") = "9"
    & skf18("2","9","2","2","10","9","1") = "9"
    & skf18("2","9","2","2","10","10","1") = "9"
    & skf18("2","9","2","3","1","1","1") = "8"
    & skf18("2","9","2","3","1","2","1") = "8"
    & skf18("2","9","2","3","1","3","1") = "8"
    & skf18("2","9","2","3","1","4","1") = "8"
    & skf18("2","9","2","3","1","5","1") = "8"
    & skf18("2","9","2","3","1","6","1") = "8"
    & skf18("2","9","2","3","1","7","1") = "8"
    & skf18("2","9","2","3","1","8","1") = "8"
    & skf18("2","9","2","3","1","9","1") = "8"
    & skf18("2","9","2","3","1","10","1") = "9"
    & skf18("2","9","2","3","2","1","1") = "8"
    & skf18("2","9","2","3","2","2","1") = "8"
    & skf18("2","9","2","3","2","3","1") = "8"
    & skf18("2","9","2","3","2","4","1") = "8"
    & skf18("2","9","2","3","2","5","1") = "8"
    & skf18("2","9","2","3","2","6","1") = "8"
    & skf18("2","9","2","3","2","7","1") = "8"
    & skf18("2","9","2","3","2","8","1") = "8"
    & skf18("2","9","2","3","2","9","1") = "8"
    & skf18("2","9","2","3","2","10","1") = "9"
    & skf18("2","9","2","3","3","1","1") = "8"
    & skf18("2","9","2","3","3","2","1") = "8"
    & skf18("2","9","2","3","3","3","1") = "8"
    & skf18("2","9","2","3","3","4","1") = "8"
    & skf18("2","9","2","3","3","5","1") = "8"
    & skf18("2","9","2","3","3","6","1") = "8"
    & skf18("2","9","2","3","3","7","1") = "8"
    & skf18("2","9","2","3","3","8","1") = "8"
    & skf18("2","9","2","3","3","9","1") = "8"
    & skf18("2","9","2","3","3","10","1") = "9"
    & skf18("2","9","2","3","4","1","1") = "8"
    & skf18("2","9","2","3","4","2","1") = "8"
    & skf18("2","9","2","3","4","3","1") = "8"
    & skf18("2","9","2","3","4","4","1") = "8"
    & skf18("2","9","2","3","4","5","1") = "8"
    & skf18("2","9","2","3","4","6","1") = "8"
    & skf18("2","9","2","3","4","7","1") = "8"
    & skf18("2","9","2","3","4","8","1") = "8"
    & skf18("2","9","2","3","4","9","1") = "8"
    & skf18("2","9","2","3","4","10","1") = "9"
    & skf18("2","9","2","3","5","1","1") = "8"
    & skf18("2","9","2","3","5","2","1") = "8"
    & skf18("2","9","2","3","5","3","1") = "8"
    & skf18("2","9","2","3","5","4","1") = "8"
    & skf18("2","9","2","3","5","5","1") = "8"
    & skf18("2","9","2","3","5","6","1") = "8"
    & skf18("2","9","2","3","5","7","1") = "8"
    & skf18("2","9","2","3","5","8","1") = "8"
    & skf18("2","9","2","3","5","9","1") = "8"
    & skf18("2","9","2","3","5","10","1") = "9"
    & skf18("2","9","2","3","6","1","1") = "8"
    & skf18("2","9","2","3","6","2","1") = "8"
    & skf18("2","9","2","3","6","3","1") = "8"
    & skf18("2","9","2","3","6","4","1") = "8"
    & skf18("2","9","2","3","6","5","1") = "8"
    & skf18("2","9","2","3","6","6","1") = "8"
    & skf18("2","9","2","3","6","7","1") = "8"
    & skf18("2","9","2","3","6","8","1") = "8"
    & skf18("2","9","2","3","6","9","1") = "8"
    & skf18("2","9","2","3","6","10","1") = "9"
    & skf18("2","9","2","3","7","1","1") = "8"
    & skf18("2","9","2","3","7","2","1") = "8"
    & skf18("2","9","2","3","7","3","1") = "8"
    & skf18("2","9","2","3","7","4","1") = "8"
    & skf18("2","9","2","3","7","5","1") = "8"
    & skf18("2","9","2","3","7","6","1") = "8"
    & skf18("2","9","2","3","7","7","1") = "8"
    & skf18("2","9","2","3","7","8","1") = "8"
    & skf18("2","9","2","3","7","9","1") = "8"
    & skf18("2","9","2","3","7","10","1") = "9"
    & skf18("2","9","2","3","8","1","1") = "8"
    & skf18("2","9","2","3","8","2","1") = "8"
    & skf18("2","9","2","3","8","3","1") = "8"
    & skf18("2","9","2","3","8","4","1") = "8"
    & skf18("2","9","2","3","8","5","1") = "8"
    & skf18("2","9","2","3","8","6","1") = "8"
    & skf18("2","9","2","3","8","7","1") = "8"
    & skf18("2","9","2","3","8","8","1") = "8"
    & skf18("2","9","2","3","8","9","1") = "8"
    & skf18("2","9","2","3","8","10","1") = "9"
    & skf18("2","9","2","3","9","1","1") = "8"
    & skf18("2","9","2","3","9","2","1") = "8"
    & skf18("2","9","2","3","9","3","1") = "8"
    & skf18("2","9","2","3","9","4","1") = "8"
    & skf18("2","9","2","3","9","5","1") = "8"
    & skf18("2","9","2","3","9","6","1") = "8"
    & skf18("2","9","2","3","9","7","1") = "8"
    & skf18("2","9","2","3","9","8","1") = "8"
    & skf18("2","9","2","3","9","9","1") = "8"
    & skf18("2","9","2","3","9","10","1") = "9"
    & skf18("2","9","2","3","10","1","1") = "9"
    & skf18("2","9","2","3","10","2","1") = "9"
    & skf18("2","9","2","3","10","3","1") = "9"
    & skf18("2","9","2","3","10","4","1") = "9"
    & skf18("2","9","2","3","10","5","1") = "9"
    & skf18("2","9","2","3","10","6","1") = "9"
    & skf18("2","9","2","3","10","7","1") = "9"
    & skf18("2","9","2","3","10","8","1") = "9"
    & skf18("2","9","2","3","10","9","1") = "9"
    & skf18("2","9","2","3","10","10","1") = "9"
    & skf18("2","9","2","4","1","1","1") = "8"
    & skf18("2","9","2","4","1","2","1") = "8"
    & skf18("2","9","2","4","1","3","1") = "8"
    & skf18("2","9","2","4","1","4","1") = "8"
    & skf18("2","9","2","4","1","5","1") = "8"
    & skf18("2","9","2","4","1","6","1") = "8"
    & skf18("2","9","2","4","1","7","1") = "8"
    & skf18("2","9","2","4","1","8","1") = "8"
    & skf18("2","9","2","4","1","9","1") = "8"
    & skf18("2","9","2","4","1","10","1") = "9"
    & skf18("2","9","2","4","2","1","1") = "8"
    & skf18("2","9","2","4","2","2","1") = "8"
    & skf18("2","9","2","4","2","3","1") = "8"
    & skf18("2","9","2","4","2","4","1") = "8"
    & skf18("2","9","2","4","2","5","1") = "8"
    & skf18("2","9","2","4","2","6","1") = "8"
    & skf18("2","9","2","4","2","7","1") = "8"
    & skf18("2","9","2","4","2","8","1") = "8"
    & skf18("2","9","2","4","2","9","1") = "8"
    & skf18("2","9","2","4","2","10","1") = "9"
    & skf18("2","9","2","4","3","1","1") = "8"
    & skf18("2","9","2","4","3","2","1") = "8"
    & skf18("2","9","2","4","3","3","1") = "8"
    & skf18("2","9","2","4","3","4","1") = "8"
    & skf18("2","9","2","4","3","5","1") = "8"
    & skf18("2","9","2","4","3","6","1") = "8"
    & skf18("2","9","2","4","3","7","1") = "8"
    & skf18("2","9","2","4","3","8","1") = "8"
    & skf18("2","9","2","4","3","9","1") = "8"
    & skf18("2","9","2","4","3","10","1") = "9"
    & skf18("2","9","2","4","4","1","1") = "8"
    & skf18("2","9","2","4","4","2","1") = "8"
    & skf18("2","9","2","4","4","3","1") = "8"
    & skf18("2","9","2","4","4","4","1") = "8"
    & skf18("2","9","2","4","4","5","1") = "8"
    & skf18("2","9","2","4","4","6","1") = "8"
    & skf18("2","9","2","4","4","7","1") = "8"
    & skf18("2","9","2","4","4","8","1") = "8"
    & skf18("2","9","2","4","4","9","1") = "8"
    & skf18("2","9","2","4","4","10","1") = "9"
    & skf18("2","9","2","4","5","1","1") = "8"
    & skf18("2","9","2","4","5","2","1") = "8"
    & skf18("2","9","2","4","5","3","1") = "8"
    & skf18("2","9","2","4","5","4","1") = "8"
    & skf18("2","9","2","4","5","5","1") = "8"
    & skf18("2","9","2","4","5","6","1") = "8"
    & skf18("2","9","2","4","5","7","1") = "8"
    & skf18("2","9","2","4","5","8","1") = "8"
    & skf18("2","9","2","4","5","9","1") = "8"
    & skf18("2","9","2","4","5","10","1") = "9"
    & skf18("2","9","2","4","6","1","1") = "8"
    & skf18("2","9","2","4","6","2","1") = "8"
    & skf18("2","9","2","4","6","3","1") = "8"
    & skf18("2","9","2","4","6","4","1") = "8"
    & skf18("2","9","2","4","6","5","1") = "8"
    & skf18("2","9","2","4","6","6","1") = "8"
    & skf18("2","9","2","4","6","7","1") = "8"
    & skf18("2","9","2","4","6","8","1") = "8"
    & skf18("2","9","2","4","6","9","1") = "8"
    & skf18("2","9","2","4","6","10","1") = "9"
    & skf18("2","9","2","4","7","1","1") = "8"
    & skf18("2","9","2","4","7","2","1") = "8"
    & skf18("2","9","2","4","7","3","1") = "8"
    & skf18("2","9","2","4","7","4","1") = "8"
    & skf18("2","9","2","4","7","5","1") = "8"
    & skf18("2","9","2","4","7","6","1") = "8"
    & skf18("2","9","2","4","7","7","1") = "8"
    & skf18("2","9","2","4","7","8","1") = "8"
    & skf18("2","9","2","4","7","9","1") = "8"
    & skf18("2","9","2","4","7","10","1") = "9"
    & skf18("2","9","2","4","8","1","1") = "8"
    & skf18("2","9","2","4","8","2","1") = "8"
    & skf18("2","9","2","4","8","3","1") = "8"
    & skf18("2","9","2","4","8","4","1") = "8"
    & skf18("2","9","2","4","8","5","1") = "8"
    & skf18("2","9","2","4","8","6","1") = "8"
    & skf18("2","9","2","4","8","7","1") = "8"
    & skf18("2","9","2","4","8","8","1") = "8"
    & skf18("2","9","2","4","8","9","1") = "8"
    & skf18("2","9","2","4","8","10","1") = "9"
    & skf18("2","9","2","4","9","1","1") = "8"
    & skf18("2","9","2","4","9","2","1") = "8"
    & skf18("2","9","2","4","9","3","1") = "8"
    & skf18("2","9","2","4","9","4","1") = "8"
    & skf18("2","9","2","4","9","5","1") = "8"
    & skf18("2","9","2","4","9","6","1") = "8"
    & skf18("2","9","2","4","9","7","1") = "8"
    & skf18("2","9","2","4","9","8","1") = "8"
    & skf18("2","9","2","4","9","9","1") = "8"
    & skf18("2","9","2","4","9","10","1") = "9"
    & skf18("2","9","2","4","10","1","1") = "9"
    & skf18("2","9","2","4","10","2","1") = "9"
    & skf18("2","9","2","4","10","3","1") = "9"
    & skf18("2","9","2","4","10","4","1") = "9"
    & skf18("2","9","2","4","10","5","1") = "9"
    & skf18("2","9","2","4","10","6","1") = "9"
    & skf18("2","9","2","4","10","7","1") = "9"
    & skf18("2","9","2","4","10","8","1") = "9"
    & skf18("2","9","2","4","10","9","1") = "9"
    & skf18("2","9","2","4","10","10","1") = "9"
    & skf18("2","9","2","5","1","1","1") = "8"
    & skf18("2","9","2","5","1","2","1") = "8"
    & skf18("2","9","2","5","1","3","1") = "8"
    & skf18("2","9","2","5","1","4","1") = "8"
    & skf18("2","9","2","5","1","5","1") = "8"
    & skf18("2","9","2","5","1","6","1") = "8"
    & skf18("2","9","2","5","1","7","1") = "8"
    & skf18("2","9","2","5","1","8","1") = "8"
    & skf18("2","9","2","5","1","9","1") = "8"
    & skf18("2","9","2","5","1","10","1") = "9"
    & skf18("2","9","2","5","2","1","1") = "8"
    & skf18("2","9","2","5","2","2","1") = "8"
    & skf18("2","9","2","5","2","3","1") = "8"
    & skf18("2","9","2","5","2","4","1") = "8"
    & skf18("2","9","2","5","2","5","1") = "8"
    & skf18("2","9","2","5","2","6","1") = "8"
    & skf18("2","9","2","5","2","7","1") = "8"
    & skf18("2","9","2","5","2","8","1") = "8"
    & skf18("2","9","2","5","2","9","1") = "8"
    & skf18("2","9","2","5","2","10","1") = "9"
    & skf18("2","9","2","5","3","1","1") = "8"
    & skf18("2","9","2","5","3","2","1") = "8"
    & skf18("2","9","2","5","3","3","1") = "8"
    & skf18("2","9","2","5","3","4","1") = "8"
    & skf18("2","9","2","5","3","5","1") = "8"
    & skf18("2","9","2","5","3","6","1") = "8"
    & skf18("2","9","2","5","3","7","1") = "8"
    & skf18("2","9","2","5","3","8","1") = "8"
    & skf18("2","9","2","5","3","9","1") = "8"
    & skf18("2","9","2","5","3","10","1") = "9"
    & skf18("2","9","2","5","4","1","1") = "8"
    & skf18("2","9","2","5","4","2","1") = "8"
    & skf18("2","9","2","5","4","3","1") = "8"
    & skf18("2","9","2","5","4","4","1") = "8"
    & skf18("2","9","2","5","4","5","1") = "8"
    & skf18("2","9","2","5","4","6","1") = "8"
    & skf18("2","9","2","5","4","7","1") = "8"
    & skf18("2","9","2","5","4","8","1") = "8"
    & skf18("2","9","2","5","4","9","1") = "8"
    & skf18("2","9","2","5","4","10","1") = "9"
    & skf18("2","9","2","5","5","1","1") = "8"
    & skf18("2","9","2","5","5","2","1") = "8"
    & skf18("2","9","2","5","5","3","1") = "8"
    & skf18("2","9","2","5","5","4","1") = "8"
    & skf18("2","9","2","5","5","5","1") = "8"
    & skf18("2","9","2","5","5","6","1") = "8"
    & skf18("2","9","2","5","5","7","1") = "8"
    & skf18("2","9","2","5","5","8","1") = "8"
    & skf18("2","9","2","5","5","9","1") = "8"
    & skf18("2","9","2","5","5","10","1") = "9"
    & skf18("2","9","2","5","6","1","1") = "8"
    & skf18("2","9","2","5","6","2","1") = "8"
    & skf18("2","9","2","5","6","3","1") = "8"
    & skf18("2","9","2","5","6","4","1") = "8"
    & skf18("2","9","2","5","6","5","1") = "8"
    & skf18("2","9","2","5","6","6","1") = "8"
    & skf18("2","9","2","5","6","7","1") = "8"
    & skf18("2","9","2","5","6","8","1") = "8"
    & skf18("2","9","2","5","6","9","1") = "8"
    & skf18("2","9","2","5","6","10","1") = "9"
    & skf18("2","9","2","5","7","1","1") = "8"
    & skf18("2","9","2","5","7","2","1") = "8"
    & skf18("2","9","2","5","7","3","1") = "8"
    & skf18("2","9","2","5","7","4","1") = "8"
    & skf18("2","9","2","5","7","5","1") = "8"
    & skf18("2","9","2","5","7","6","1") = "8"
    & skf18("2","9","2","5","7","7","1") = "8"
    & skf18("2","9","2","5","7","8","1") = "8"
    & skf18("2","9","2","5","7","9","1") = "8"
    & skf18("2","9","2","5","7","10","1") = "9"
    & skf18("2","9","2","5","8","1","1") = "8"
    & skf18("2","9","2","5","8","2","1") = "8"
    & skf18("2","9","2","5","8","3","1") = "8"
    & skf18("2","9","2","5","8","4","1") = "8"
    & skf18("2","9","2","5","8","5","1") = "8"
    & skf18("2","9","2","5","8","6","1") = "8"
    & skf18("2","9","2","5","8","7","1") = "8"
    & skf18("2","9","2","5","8","8","1") = "8"
    & skf18("2","9","2","5","8","9","1") = "8"
    & skf18("2","9","2","5","8","10","1") = "9"
    & skf18("2","9","2","5","9","1","1") = "8"
    & skf18("2","9","2","5","9","2","1") = "8"
    & skf18("2","9","2","5","9","3","1") = "8"
    & skf18("2","9","2","5","9","4","1") = "8"
    & skf18("2","9","2","5","9","5","1") = "8"
    & skf18("2","9","2","5","9","6","1") = "8"
    & skf18("2","9","2","5","9","7","1") = "8"
    & skf18("2","9","2","5","9","8","1") = "8"
    & skf18("2","9","2","5","9","9","1") = "8"
    & skf18("2","9","2","5","9","10","1") = "9"
    & skf18("2","9","2","5","10","1","1") = "9"
    & skf18("2","9","2","5","10","2","1") = "9"
    & skf18("2","9","2","5","10","3","1") = "9"
    & skf18("2","9","2","5","10","4","1") = "9"
    & skf18("2","9","2","5","10","5","1") = "9"
    & skf18("2","9","2","5","10","6","1") = "9"
    & skf18("2","9","2","5","10","7","1") = "9"
    & skf18("2","9","2","5","10","8","1") = "9"
    & skf18("2","9","2","5","10","9","1") = "9"
    & skf18("2","9","2","5","10","10","1") = "9"
    & skf18("2","9","2","6","1","1","1") = "8"
    & skf18("2","9","2","6","1","2","1") = "8"
    & skf18("2","9","2","6","1","3","1") = "8"
    & skf18("2","9","2","6","1","4","1") = "8"
    & skf18("2","9","2","6","1","5","1") = "8"
    & skf18("2","9","2","6","1","6","1") = "8"
    & skf18("2","9","2","6","1","7","1") = "8"
    & skf18("2","9","2","6","1","8","1") = "8"
    & skf18("2","9","2","6","1","9","1") = "8"
    & skf18("2","9","2","6","1","10","1") = "9"
    & skf18("2","9","2","6","2","1","1") = "8"
    & skf18("2","9","2","6","2","2","1") = "8"
    & skf18("2","9","2","6","2","3","1") = "8"
    & skf18("2","9","2","6","2","4","1") = "8"
    & skf18("2","9","2","6","2","5","1") = "8"
    & skf18("2","9","2","6","2","6","1") = "8"
    & skf18("2","9","2","6","2","7","1") = "8"
    & skf18("2","9","2","6","2","8","1") = "8"
    & skf18("2","9","2","6","2","9","1") = "8"
    & skf18("2","9","2","6","2","10","1") = "9"
    & skf18("2","9","2","6","3","1","1") = "8"
    & skf18("2","9","2","6","3","2","1") = "8"
    & skf18("2","9","2","6","3","3","1") = "8"
    & skf18("2","9","2","6","3","4","1") = "8"
    & skf18("2","9","2","6","3","5","1") = "8"
    & skf18("2","9","2","6","3","6","1") = "8"
    & skf18("2","9","2","6","3","7","1") = "8"
    & skf18("2","9","2","6","3","8","1") = "8"
    & skf18("2","9","2","6","3","9","1") = "8"
    & skf18("2","9","2","6","3","10","1") = "9"
    & skf18("2","9","2","6","4","1","1") = "8"
    & skf18("2","9","2","6","4","2","1") = "8"
    & skf18("2","9","2","6","4","3","1") = "8"
    & skf18("2","9","2","6","4","4","1") = "8"
    & skf18("2","9","2","6","4","5","1") = "8"
    & skf18("2","9","2","6","4","6","1") = "8"
    & skf18("2","9","2","6","4","7","1") = "8"
    & skf18("2","9","2","6","4","8","1") = "8"
    & skf18("2","9","2","6","4","9","1") = "8"
    & skf18("2","9","2","6","4","10","1") = "9"
    & skf18("2","9","2","6","5","1","1") = "8"
    & skf18("2","9","2","6","5","2","1") = "8"
    & skf18("2","9","2","6","5","3","1") = "8"
    & skf18("2","9","2","6","5","4","1") = "8"
    & skf18("2","9","2","6","5","5","1") = "8"
    & skf18("2","9","2","6","5","6","1") = "8"
    & skf18("2","9","2","6","5","7","1") = "8"
    & skf18("2","9","2","6","5","8","1") = "8"
    & skf18("2","9","2","6","5","9","1") = "8"
    & skf18("2","9","2","6","5","10","1") = "9"
    & skf18("2","9","2","6","6","1","1") = "8"
    & skf18("2","9","2","6","6","2","1") = "8"
    & skf18("2","9","2","6","6","3","1") = "8"
    & skf18("2","9","2","6","6","4","1") = "8"
    & skf18("2","9","2","6","6","5","1") = "8"
    & skf18("2","9","2","6","6","6","1") = "8"
    & skf18("2","9","2","6","6","7","1") = "8"
    & skf18("2","9","2","6","6","8","1") = "8"
    & skf18("2","9","2","6","6","9","1") = "8"
    & skf18("2","9","2","6","6","10","1") = "9"
    & skf18("2","9","2","6","7","1","1") = "8"
    & skf18("2","9","2","6","7","2","1") = "8"
    & skf18("2","9","2","6","7","3","1") = "8"
    & skf18("2","9","2","6","7","4","1") = "8"
    & skf18("2","9","2","6","7","5","1") = "8"
    & skf18("2","9","2","6","7","6","1") = "8"
    & skf18("2","9","2","6","7","7","1") = "8"
    & skf18("2","9","2","6","7","8","1") = "8"
    & skf18("2","9","2","6","7","9","1") = "8"
    & skf18("2","9","2","6","7","10","1") = "9"
    & skf18("2","9","2","6","8","1","1") = "8"
    & skf18("2","9","2","6","8","2","1") = "8"
    & skf18("2","9","2","6","8","3","1") = "8"
    & skf18("2","9","2","6","8","4","1") = "8"
    & skf18("2","9","2","6","8","5","1") = "8"
    & skf18("2","9","2","6","8","6","1") = "8"
    & skf18("2","9","2","6","8","7","1") = "8"
    & skf18("2","9","2","6","8","8","1") = "8"
    & skf18("2","9","2","6","8","9","1") = "8"
    & skf18("2","9","2","6","8","10","1") = "9"
    & skf18("2","9","2","6","9","1","1") = "8"
    & skf18("2","9","2","6","9","2","1") = "8"
    & skf18("2","9","2","6","9","3","1") = "8"
    & skf18("2","9","2","6","9","4","1") = "8"
    & skf18("2","9","2","6","9","5","1") = "8"
    & skf18("2","9","2","6","9","6","1") = "8"
    & skf18("2","9","2","6","9","7","1") = "8"
    & skf18("2","9","2","6","9","8","1") = "8"
    & skf18("2","9","2","6","9","9","1") = "8"
    & skf18("2","9","2","6","9","10","1") = "9"
    & skf18("2","9","2","6","10","1","1") = "9"
    & skf18("2","9","2","6","10","2","1") = "9"
    & skf18("2","9","2","6","10","3","1") = "9"
    & skf18("2","9","2","6","10","4","1") = "9"
    & skf18("2","9","2","6","10","5","1") = "9"
    & skf18("2","9","2","6","10","6","1") = "9"
    & skf18("2","9","2","6","10","7","1") = "9"
    & skf18("2","9","2","6","10","8","1") = "9"
    & skf18("2","9","2","6","10","9","1") = "9"
    & skf18("2","9","2","6","10","10","1") = "9"
    & skf18("2","9","2","7","1","1","1") = "8"
    & skf18("2","9","2","7","1","2","1") = "8"
    & skf18("2","9","2","7","1","3","1") = "8"
    & skf18("2","9","2","7","1","4","1") = "8"
    & skf18("2","9","2","7","1","5","1") = "8"
    & skf18("2","9","2","7","1","6","1") = "8"
    & skf18("2","9","2","7","1","7","1") = "8"
    & skf18("2","9","2","7","1","8","1") = "8"
    & skf18("2","9","2","7","1","9","1") = "8"
    & skf18("2","9","2","7","1","10","1") = "9"
    & skf18("2","9","2","7","2","1","1") = "8"
    & skf18("2","9","2","7","2","2","1") = "8"
    & skf18("2","9","2","7","2","3","1") = "8"
    & skf18("2","9","2","7","2","4","1") = "8"
    & skf18("2","9","2","7","2","5","1") = "8"
    & skf18("2","9","2","7","2","6","1") = "8"
    & skf18("2","9","2","7","2","7","1") = "8"
    & skf18("2","9","2","7","2","8","1") = "8"
    & skf18("2","9","2","7","2","9","1") = "8"
    & skf18("2","9","2","7","2","10","1") = "9"
    & skf18("2","9","2","7","3","1","1") = "8"
    & skf18("2","9","2","7","3","2","1") = "8"
    & skf18("2","9","2","7","3","3","1") = "8"
    & skf18("2","9","2","7","3","4","1") = "8"
    & skf18("2","9","2","7","3","5","1") = "8"
    & skf18("2","9","2","7","3","6","1") = "8"
    & skf18("2","9","2","7","3","7","1") = "8"
    & skf18("2","9","2","7","3","8","1") = "8"
    & skf18("2","9","2","7","3","9","1") = "8"
    & skf18("2","9","2","7","3","10","1") = "9"
    & skf18("2","9","2","7","4","1","1") = "8"
    & skf18("2","9","2","7","4","2","1") = "8"
    & skf18("2","9","2","7","4","3","1") = "8"
    & skf18("2","9","2","7","4","4","1") = "8"
    & skf18("2","9","2","7","4","5","1") = "8"
    & skf18("2","9","2","7","4","6","1") = "8"
    & skf18("2","9","2","7","4","7","1") = "8"
    & skf18("2","9","2","7","4","8","1") = "8"
    & skf18("2","9","2","7","4","9","1") = "8"
    & skf18("2","9","2","7","4","10","1") = "9"
    & skf18("2","9","2","7","5","1","1") = "8"
    & skf18("2","9","2","7","5","2","1") = "8"
    & skf18("2","9","2","7","5","3","1") = "8"
    & skf18("2","9","2","7","5","4","1") = "8"
    & skf18("2","9","2","7","5","5","1") = "8"
    & skf18("2","9","2","7","5","6","1") = "8"
    & skf18("2","9","2","7","5","7","1") = "8"
    & skf18("2","9","2","7","5","8","1") = "8"
    & skf18("2","9","2","7","5","9","1") = "8"
    & skf18("2","9","2","7","5","10","1") = "9"
    & skf18("2","9","2","7","6","1","1") = "8"
    & skf18("2","9","2","7","6","2","1") = "8"
    & skf18("2","9","2","7","6","3","1") = "8"
    & skf18("2","9","2","7","6","4","1") = "8"
    & skf18("2","9","2","7","6","5","1") = "8"
    & skf18("2","9","2","7","6","6","1") = "8"
    & skf18("2","9","2","7","6","7","1") = "8"
    & skf18("2","9","2","7","6","8","1") = "8"
    & skf18("2","9","2","7","6","9","1") = "8"
    & skf18("2","9","2","7","6","10","1") = "9"
    & skf18("2","9","2","7","7","1","1") = "8"
    & skf18("2","9","2","7","7","2","1") = "8"
    & skf18("2","9","2","7","7","3","1") = "8"
    & skf18("2","9","2","7","7","4","1") = "8"
    & skf18("2","9","2","7","7","5","1") = "8"
    & skf18("2","9","2","7","7","6","1") = "8"
    & skf18("2","9","2","7","7","7","1") = "8"
    & skf18("2","9","2","7","7","8","1") = "8"
    & skf18("2","9","2","7","7","9","1") = "8"
    & skf18("2","9","2","7","7","10","1") = "9"
    & skf18("2","9","2","7","8","1","1") = "8"
    & skf18("2","9","2","7","8","2","1") = "8"
    & skf18("2","9","2","7","8","3","1") = "8"
    & skf18("2","9","2","7","8","4","1") = "8"
    & skf18("2","9","2","7","8","5","1") = "8"
    & skf18("2","9","2","7","8","6","1") = "8"
    & skf18("2","9","2","7","8","7","1") = "8"
    & skf18("2","9","2","7","8","8","1") = "8"
    & skf18("2","9","2","7","8","9","1") = "8"
    & skf18("2","9","2","7","8","10","1") = "9"
    & skf18("2","9","2","7","9","1","1") = "8"
    & skf18("2","9","2","7","9","2","1") = "8"
    & skf18("2","9","2","7","9","3","1") = "8"
    & skf18("2","9","2","7","9","4","1") = "8"
    & skf18("2","9","2","7","9","5","1") = "8"
    & skf18("2","9","2","7","9","6","1") = "8"
    & skf18("2","9","2","7","9","7","1") = "8"
    & skf18("2","9","2","7","9","8","1") = "8"
    & skf18("2","9","2","7","9","9","1") = "8"
    & skf18("2","9","2","7","9","10","1") = "9"
    & skf18("2","9","2","7","10","1","1") = "9"
    & skf18("2","9","2","7","10","2","1") = "9"
    & skf18("2","9","2","7","10","3","1") = "9"
    & skf18("2","9","2","7","10","4","1") = "9"
    & skf18("2","9","2","7","10","5","1") = "9"
    & skf18("2","9","2","7","10","6","1") = "9"
    & skf18("2","9","2","7","10","7","1") = "9"
    & skf18("2","9","2","7","10","8","1") = "9"
    & skf18("2","9","2","7","10","9","1") = "9"
    & skf18("2","9","2","7","10","10","1") = "9"
    & skf18("2","9","2","8","1","1","1") = "8"
    & skf18("2","9","2","8","1","2","1") = "8"
    & skf18("2","9","2","8","1","3","1") = "8"
    & skf18("2","9","2","8","1","4","1") = "8"
    & skf18("2","9","2","8","1","5","1") = "8"
    & skf18("2","9","2","8","1","6","1") = "8"
    & skf18("2","9","2","8","1","7","1") = "8"
    & skf18("2","9","2","8","1","8","1") = "8"
    & skf18("2","9","2","8","1","9","1") = "8"
    & skf18("2","9","2","8","1","10","1") = "9"
    & skf18("2","9","2","8","2","1","1") = "8"
    & skf18("2","9","2","8","2","2","1") = "8"
    & skf18("2","9","2","8","2","3","1") = "8"
    & skf18("2","9","2","8","2","4","1") = "8"
    & skf18("2","9","2","8","2","5","1") = "8"
    & skf18("2","9","2","8","2","6","1") = "8"
    & skf18("2","9","2","8","2","7","1") = "8"
    & skf18("2","9","2","8","2","8","1") = "8"
    & skf18("2","9","2","8","2","9","1") = "8"
    & skf18("2","9","2","8","2","10","1") = "9"
    & skf18("2","9","2","8","3","1","1") = "8"
    & skf18("2","9","2","8","3","2","1") = "8"
    & skf18("2","9","2","8","3","3","1") = "8"
    & skf18("2","9","2","8","3","4","1") = "8"
    & skf18("2","9","2","8","3","5","1") = "8"
    & skf18("2","9","2","8","3","6","1") = "8"
    & skf18("2","9","2","8","3","7","1") = "8"
    & skf18("2","9","2","8","3","8","1") = "8"
    & skf18("2","9","2","8","3","9","1") = "8"
    & skf18("2","9","2","8","3","10","1") = "9"
    & skf18("2","9","2","8","4","1","1") = "8"
    & skf18("2","9","2","8","4","2","1") = "8"
    & skf18("2","9","2","8","4","3","1") = "8"
    & skf18("2","9","2","8","4","4","1") = "8"
    & skf18("2","9","2","8","4","5","1") = "8"
    & skf18("2","9","2","8","4","6","1") = "8"
    & skf18("2","9","2","8","4","7","1") = "8"
    & skf18("2","9","2","8","4","8","1") = "8"
    & skf18("2","9","2","8","4","9","1") = "8"
    & skf18("2","9","2","8","4","10","1") = "9"
    & skf18("2","9","2","8","5","1","1") = "8"
    & skf18("2","9","2","8","5","2","1") = "8"
    & skf18("2","9","2","8","5","3","1") = "8"
    & skf18("2","9","2","8","5","4","1") = "8"
    & skf18("2","9","2","8","5","5","1") = "8"
    & skf18("2","9","2","8","5","6","1") = "8"
    & skf18("2","9","2","8","5","7","1") = "8"
    & skf18("2","9","2","8","5","8","1") = "8"
    & skf18("2","9","2","8","5","9","1") = "8"
    & skf18("2","9","2","8","5","10","1") = "9"
    & skf18("2","9","2","8","6","1","1") = "8"
    & skf18("2","9","2","8","6","2","1") = "8"
    & skf18("2","9","2","8","6","3","1") = "8"
    & skf18("2","9","2","8","6","4","1") = "8"
    & skf18("2","9","2","8","6","5","1") = "8"
    & skf18("2","9","2","8","6","6","1") = "8"
    & skf18("2","9","2","8","6","7","1") = "8"
    & skf18("2","9","2","8","6","8","1") = "8"
    & skf18("2","9","2","8","6","9","1") = "8"
    & skf18("2","9","2","8","6","10","1") = "9"
    & skf18("2","9","2","8","7","1","1") = "8"
    & skf18("2","9","2","8","7","2","1") = "8"
    & skf18("2","9","2","8","7","3","1") = "8"
    & skf18("2","9","2","8","7","4","1") = "8"
    & skf18("2","9","2","8","7","5","1") = "8"
    & skf18("2","9","2","8","7","6","1") = "8"
    & skf18("2","9","2","8","7","7","1") = "8"
    & skf18("2","9","2","8","7","8","1") = "8"
    & skf18("2","9","2","8","7","9","1") = "8"
    & skf18("2","9","2","8","7","10","1") = "9"
    & skf18("2","9","2","8","8","1","1") = "8"
    & skf18("2","9","2","8","8","2","1") = "8"
    & skf18("2","9","2","8","8","3","1") = "8"
    & skf18("2","9","2","8","8","4","1") = "8"
    & skf18("2","9","2","8","8","5","1") = "8"
    & skf18("2","9","2","8","8","6","1") = "8"
    & skf18("2","9","2","8","8","7","1") = "8"
    & skf18("2","9","2","8","8","8","1") = "8"
    & skf18("2","9","2","8","8","9","1") = "8"
    & skf18("2","9","2","8","8","10","1") = "9"
    & skf18("2","9","2","8","9","1","1") = "8"
    & skf18("2","9","2","8","9","2","1") = "8"
    & skf18("2","9","2","8","9","3","1") = "8"
    & skf18("2","9","2","8","9","4","1") = "8"
    & skf18("2","9","2","8","9","5","1") = "8"
    & skf18("2","9","2","8","9","6","1") = "8"
    & skf18("2","9","2","8","9","7","1") = "8"
    & skf18("2","9","2","8","9","8","1") = "8"
    & skf18("2","9","2","8","9","9","1") = "8"
    & skf18("2","9","2","8","9","10","1") = "9"
    & skf18("2","9","2","8","10","1","1") = "9"
    & skf18("2","9","2","8","10","2","1") = "9"
    & skf18("2","9","2","8","10","3","1") = "9"
    & skf18("2","9","2","8","10","4","1") = "9"
    & skf18("2","9","2","8","10","5","1") = "9"
    & skf18("2","9","2","8","10","6","1") = "9"
    & skf18("2","9","2","8","10","7","1") = "9"
    & skf18("2","9","2","8","10","8","1") = "9"
    & skf18("2","9","2","8","10","9","1") = "9"
    & skf18("2","9","2","8","10","10","1") = "9"
    & skf18("2","9","2","9","1","1","1") = "8"
    & skf18("2","9","2","9","1","2","1") = "8"
    & skf18("2","9","2","9","1","3","1") = "8"
    & skf18("2","9","2","9","1","4","1") = "8"
    & skf18("2","9","2","9","1","5","1") = "8"
    & skf18("2","9","2","9","1","6","1") = "8"
    & skf18("2","9","2","9","1","7","1") = "8"
    & skf18("2","9","2","9","1","8","1") = "8"
    & skf18("2","9","2","9","1","9","1") = "8"
    & skf18("2","9","2","9","1","10","1") = "9"
    & skf18("2","9","2","9","2","1","1") = "8"
    & skf18("2","9","2","9","2","2","1") = "8"
    & skf18("2","9","2","9","2","3","1") = "8"
    & skf18("2","9","2","9","2","4","1") = "8"
    & skf18("2","9","2","9","2","5","1") = "8"
    & skf18("2","9","2","9","2","6","1") = "8"
    & skf18("2","9","2","9","2","7","1") = "8"
    & skf18("2","9","2","9","2","8","1") = "8"
    & skf18("2","9","2","9","2","9","1") = "8"
    & skf18("2","9","2","9","2","10","1") = "9"
    & skf18("2","9","2","9","3","1","1") = "8"
    & skf18("2","9","2","9","3","2","1") = "8"
    & skf18("2","9","2","9","3","3","1") = "8"
    & skf18("2","9","2","9","3","4","1") = "8"
    & skf18("2","9","2","9","3","5","1") = "8"
    & skf18("2","9","2","9","3","6","1") = "8"
    & skf18("2","9","2","9","3","7","1") = "8"
    & skf18("2","9","2","9","3","8","1") = "8"
    & skf18("2","9","2","9","3","9","1") = "8"
    & skf18("2","9","2","9","3","10","1") = "9"
    & skf18("2","9","2","9","4","1","1") = "8"
    & skf18("2","9","2","9","4","2","1") = "8"
    & skf18("2","9","2","9","4","3","1") = "8"
    & skf18("2","9","2","9","4","4","1") = "8"
    & skf18("2","9","2","9","4","5","1") = "8"
    & skf18("2","9","2","9","4","6","1") = "8"
    & skf18("2","9","2","9","4","7","1") = "8"
    & skf18("2","9","2","9","4","8","1") = "8"
    & skf18("2","9","2","9","4","9","1") = "8"
    & skf18("2","9","2","9","4","10","1") = "9"
    & skf18("2","9","2","9","5","1","1") = "8"
    & skf18("2","9","2","9","5","2","1") = "8"
    & skf18("2","9","2","9","5","3","1") = "8"
    & skf18("2","9","2","9","5","4","1") = "8"
    & skf18("2","9","2","9","5","5","1") = "8"
    & skf18("2","9","2","9","5","6","1") = "8"
    & skf18("2","9","2","9","5","7","1") = "8"
    & skf18("2","9","2","9","5","8","1") = "8"
    & skf18("2","9","2","9","5","9","1") = "8"
    & skf18("2","9","2","9","5","10","1") = "9"
    & skf18("2","9","2","9","6","1","1") = "8"
    & skf18("2","9","2","9","6","2","1") = "8"
    & skf18("2","9","2","9","6","3","1") = "8"
    & skf18("2","9","2","9","6","4","1") = "8"
    & skf18("2","9","2","9","6","5","1") = "8"
    & skf18("2","9","2","9","6","6","1") = "8"
    & skf18("2","9","2","9","6","7","1") = "8"
    & skf18("2","9","2","9","6","8","1") = "8"
    & skf18("2","9","2","9","6","9","1") = "8"
    & skf18("2","9","2","9","6","10","1") = "9"
    & skf18("2","9","2","9","7","1","1") = "8"
    & skf18("2","9","2","9","7","2","1") = "8"
    & skf18("2","9","2","9","7","3","1") = "8"
    & skf18("2","9","2","9","7","4","1") = "8"
    & skf18("2","9","2","9","7","5","1") = "8"
    & skf18("2","9","2","9","7","6","1") = "8"
    & skf18("2","9","2","9","7","7","1") = "8"
    & skf18("2","9","2","9","7","8","1") = "8"
    & skf18("2","9","2","9","7","9","1") = "8"
    & skf18("2","9","2","9","7","10","1") = "9"
    & skf18("2","9","2","9","8","1","1") = "8"
    & skf18("2","9","2","9","8","2","1") = "8"
    & skf18("2","9","2","9","8","3","1") = "8"
    & skf18("2","9","2","9","8","4","1") = "8"
    & skf18("2","9","2","9","8","5","1") = "8"
    & skf18("2","9","2","9","8","6","1") = "8"
    & skf18("2","9","2","9","8","7","1") = "8"
    & skf18("2","9","2","9","8","8","1") = "8"
    & skf18("2","9","2","9","8","9","1") = "8"
    & skf18("2","9","2","9","8","10","1") = "9"
    & skf18("2","9","2","9","9","1","1") = "8"
    & skf18("2","9","2","9","9","2","1") = "8"
    & skf18("2","9","2","9","9","3","1") = "8"
    & skf18("2","9","2","9","9","4","1") = "8"
    & skf18("2","9","2","9","9","5","1") = "8"
    & skf18("2","9","2","9","9","6","1") = "8"
    & skf18("2","9","2","9","9","7","1") = "8"
    & skf18("2","9","2","9","9","8","1") = "8"
    & skf18("2","9","2","9","9","9","1") = "8"
    & skf18("2","9","2","9","9","10","1") = "9"
    & skf18("2","9","2","9","10","1","1") = "9"
    & skf18("2","9","2","9","10","2","1") = "9"
    & skf18("2","9","2","9","10","3","1") = "9"
    & skf18("2","9","2","9","10","4","1") = "9"
    & skf18("2","9","2","9","10","5","1") = "9"
    & skf18("2","9","2","9","10","6","1") = "9"
    & skf18("2","9","2","9","10","7","1") = "9"
    & skf18("2","9","2","9","10","8","1") = "9"
    & skf18("2","9","2","9","10","9","1") = "9"
    & skf18("2","9","2","9","10","10","1") = "9"
    & skf18("2","9","2","10","1","1","1") = "9"
    & skf18("2","9","2","10","1","2","1") = "9"
    & skf18("2","9","2","10","1","3","1") = "9"
    & skf18("2","9","2","10","1","4","1") = "9"
    & skf18("2","9","2","10","1","5","1") = "9"
    & skf18("2","9","2","10","1","6","1") = "9"
    & skf18("2","9","2","10","1","7","1") = "9"
    & skf18("2","9","2","10","1","8","1") = "9"
    & skf18("2","9","2","10","1","9","1") = "9"
    & skf18("2","9","2","10","1","10","1") = "9"
    & skf18("2","9","2","10","2","1","1") = "9"
    & skf18("2","9","2","10","2","2","1") = "9"
    & skf18("2","9","2","10","2","3","1") = "9"
    & skf18("2","9","2","10","2","4","1") = "9"
    & skf18("2","9","2","10","2","5","1") = "9"
    & skf18("2","9","2","10","2","6","1") = "9"
    & skf18("2","9","2","10","2","7","1") = "9"
    & skf18("2","9","2","10","2","8","1") = "9"
    & skf18("2","9","2","10","2","9","1") = "9"
    & skf18("2","9","2","10","2","10","1") = "9"
    & skf18("2","9","2","10","3","1","1") = "9"
    & skf18("2","9","2","10","3","2","1") = "9"
    & skf18("2","9","2","10","3","3","1") = "9"
    & skf18("2","9","2","10","3","4","1") = "9"
    & skf18("2","9","2","10","3","5","1") = "9"
    & skf18("2","9","2","10","3","6","1") = "9"
    & skf18("2","9","2","10","3","7","1") = "9"
    & skf18("2","9","2","10","3","8","1") = "9"
    & skf18("2","9","2","10","3","9","1") = "9"
    & skf18("2","9","2","10","3","10","1") = "9"
    & skf18("2","9","2","10","4","1","1") = "9"
    & skf18("2","9","2","10","4","2","1") = "9"
    & skf18("2","9","2","10","4","3","1") = "9"
    & skf18("2","9","2","10","4","4","1") = "9"
    & skf18("2","9","2","10","4","5","1") = "9"
    & skf18("2","9","2","10","4","6","1") = "9"
    & skf18("2","9","2","10","4","7","1") = "9"
    & skf18("2","9","2","10","4","8","1") = "9"
    & skf18("2","9","2","10","4","9","1") = "9"
    & skf18("2","9","2","10","4","10","1") = "9"
    & skf18("2","9","2","10","5","1","1") = "9"
    & skf18("2","9","2","10","5","2","1") = "9"
    & skf18("2","9","2","10","5","3","1") = "9"
    & skf18("2","9","2","10","5","4","1") = "9"
    & skf18("2","9","2","10","5","5","1") = "9"
    & skf18("2","9","2","10","5","6","1") = "9"
    & skf18("2","9","2","10","5","7","1") = "9"
    & skf18("2","9","2","10","5","8","1") = "9"
    & skf18("2","9","2","10","5","9","1") = "9"
    & skf18("2","9","2","10","5","10","1") = "9"
    & skf18("2","9","2","10","6","1","1") = "9"
    & skf18("2","9","2","10","6","2","1") = "9"
    & skf18("2","9","2","10","6","3","1") = "9"
    & skf18("2","9","2","10","6","4","1") = "9"
    & skf18("2","9","2","10","6","5","1") = "9"
    & skf18("2","9","2","10","6","6","1") = "9"
    & skf18("2","9","2","10","6","7","1") = "9"
    & skf18("2","9","2","10","6","8","1") = "9"
    & skf18("2","9","2","10","6","9","1") = "9"
    & skf18("2","9","2","10","6","10","1") = "9"
    & skf18("2","9","2","10","7","1","1") = "9"
    & skf18("2","9","2","10","7","2","1") = "9"
    & skf18("2","9","2","10","7","3","1") = "9"
    & skf18("2","9","2","10","7","4","1") = "9"
    & skf18("2","9","2","10","7","5","1") = "9"
    & skf18("2","9","2","10","7","6","1") = "9"
    & skf18("2","9","2","10","7","7","1") = "9"
    & skf18("2","9","2","10","7","8","1") = "9"
    & skf18("2","9","2","10","7","9","1") = "9"
    & skf18("2","9","2","10","7","10","1") = "9"
    & skf18("2","9","2","10","8","1","1") = "9"
    & skf18("2","9","2","10","8","2","1") = "9"
    & skf18("2","9","2","10","8","3","1") = "9"
    & skf18("2","9","2","10","8","4","1") = "9"
    & skf18("2","9","2","10","8","5","1") = "9"
    & skf18("2","9","2","10","8","6","1") = "9"
    & skf18("2","9","2","10","8","7","1") = "9"
    & skf18("2","9","2","10","8","8","1") = "9"
    & skf18("2","9","2","10","8","9","1") = "9"
    & skf18("2","9","2","10","8","10","1") = "9"
    & skf18("2","9","2","10","9","1","1") = "9"
    & skf18("2","9","2","10","9","2","1") = "9"
    & skf18("2","9","2","10","9","3","1") = "9"
    & skf18("2","9","2","10","9","4","1") = "9"
    & skf18("2","9","2","10","9","5","1") = "9"
    & skf18("2","9","2","10","9","6","1") = "9"
    & skf18("2","9","2","10","9","7","1") = "9"
    & skf18("2","9","2","10","9","8","1") = "9"
    & skf18("2","9","2","10","9","9","1") = "9"
    & skf18("2","9","2","10","9","10","1") = "9"
    & skf18("2","9","2","10","10","1","1") = "9"
    & skf18("2","9","2","10","10","2","1") = "9"
    & skf18("2","9","2","10","10","3","1") = "9"
    & skf18("2","9","2","10","10","4","1") = "9"
    & skf18("2","9","2","10","10","5","1") = "9"
    & skf18("2","9","2","10","10","6","1") = "9"
    & skf18("2","9","2","10","10","7","1") = "9"
    & skf18("2","9","2","10","10","8","1") = "9"
    & skf18("2","9","2","10","10","9","1") = "9"
    & skf18("2","9","2","10","10","10","1") = "9"
    & skf18("2","9","3","1","1","1","1") = "8"
    & skf18("2","9","3","1","1","2","1") = "8"
    & skf18("2","9","3","1","1","3","1") = "8"
    & skf18("2","9","3","1","1","4","1") = "8"
    & skf18("2","9","3","1","1","5","1") = "8"
    & skf18("2","9","3","1","1","6","1") = "8"
    & skf18("2","9","3","1","1","7","1") = "8"
    & skf18("2","9","3","1","1","8","1") = "8"
    & skf18("2","9","3","1","1","9","1") = "8"
    & skf18("2","9","3","1","1","10","1") = "9"
    & skf18("2","9","3","1","2","1","1") = "8"
    & skf18("2","9","3","1","2","2","1") = "8"
    & skf18("2","9","3","1","2","3","1") = "8"
    & skf18("2","9","3","1","2","4","1") = "8"
    & skf18("2","9","3","1","2","5","1") = "8"
    & skf18("2","9","3","1","2","6","1") = "8"
    & skf18("2","9","3","1","2","7","1") = "8"
    & skf18("2","9","3","1","2","8","1") = "8"
    & skf18("2","9","3","1","2","9","1") = "8"
    & skf18("2","9","3","1","2","10","1") = "9"
    & skf18("2","9","3","1","3","1","1") = "8"
    & skf18("2","9","3","1","3","2","1") = "8"
    & skf18("2","9","3","1","3","3","1") = "8"
    & skf18("2","9","3","1","3","4","1") = "8"
    & skf18("2","9","3","1","3","5","1") = "8"
    & skf18("2","9","3","1","3","6","1") = "8"
    & skf18("2","9","3","1","3","7","1") = "8"
    & skf18("2","9","3","1","3","8","1") = "8"
    & skf18("2","9","3","1","3","9","1") = "8"
    & skf18("2","9","3","1","3","10","1") = "9"
    & skf18("2","9","3","1","4","1","1") = "8"
    & skf18("2","9","3","1","4","2","1") = "8"
    & skf18("2","9","3","1","4","3","1") = "8"
    & skf18("2","9","3","1","4","4","1") = "8"
    & skf18("2","9","3","1","4","5","1") = "8"
    & skf18("2","9","3","1","4","6","1") = "8"
    & skf18("2","9","3","1","4","7","1") = "8"
    & skf18("2","9","3","1","4","8","1") = "8"
    & skf18("2","9","3","1","4","9","1") = "8"
    & skf18("2","9","3","1","4","10","1") = "9"
    & skf18("2","9","3","1","5","1","1") = "8"
    & skf18("2","9","3","1","5","2","1") = "8"
    & skf18("2","9","3","1","5","3","1") = "8"
    & skf18("2","9","3","1","5","4","1") = "8"
    & skf18("2","9","3","1","5","5","1") = "8"
    & skf18("2","9","3","1","5","6","1") = "8"
    & skf18("2","9","3","1","5","7","1") = "8"
    & skf18("2","9","3","1","5","8","1") = "8"
    & skf18("2","9","3","1","5","9","1") = "8"
    & skf18("2","9","3","1","5","10","1") = "9"
    & skf18("2","9","3","1","6","1","1") = "8"
    & skf18("2","9","3","1","6","2","1") = "8"
    & skf18("2","9","3","1","6","3","1") = "8"
    & skf18("2","9","3","1","6","4","1") = "8"
    & skf18("2","9","3","1","6","5","1") = "8"
    & skf18("2","9","3","1","6","6","1") = "8"
    & skf18("2","9","3","1","6","7","1") = "8"
    & skf18("2","9","3","1","6","8","1") = "8"
    & skf18("2","9","3","1","6","9","1") = "8"
    & skf18("2","9","3","1","6","10","1") = "9"
    & skf18("2","9","3","1","7","1","1") = "8"
    & skf18("2","9","3","1","7","2","1") = "8"
    & skf18("2","9","3","1","7","3","1") = "8"
    & skf18("2","9","3","1","7","4","1") = "8"
    & skf18("2","9","3","1","7","5","1") = "8"
    & skf18("2","9","3","1","7","6","1") = "8"
    & skf18("2","9","3","1","7","7","1") = "8"
    & skf18("2","9","3","1","7","8","1") = "8"
    & skf18("2","9","3","1","7","9","1") = "8"
    & skf18("2","9","3","1","7","10","1") = "9"
    & skf18("2","9","3","1","8","1","1") = "8"
    & skf18("2","9","3","1","8","2","1") = "8"
    & skf18("2","9","3","1","8","3","1") = "8"
    & skf18("2","9","3","1","8","4","1") = "8"
    & skf18("2","9","3","1","8","5","1") = "8"
    & skf18("2","9","3","1","8","6","1") = "8"
    & skf18("2","9","3","1","8","7","1") = "8"
    & skf18("2","9","3","1","8","8","1") = "8"
    & skf18("2","9","3","1","8","9","1") = "8"
    & skf18("2","9","3","1","8","10","1") = "9"
    & skf18("2","9","3","1","9","1","1") = "8"
    & skf18("2","9","3","1","9","2","1") = "8"
    & skf18("2","9","3","1","9","3","1") = "8"
    & skf18("2","9","3","1","9","4","1") = "8"
    & skf18("2","9","3","1","9","5","1") = "8"
    & skf18("2","9","3","1","9","6","1") = "8"
    & skf18("2","9","3","1","9","7","1") = "8"
    & skf18("2","9","3","1","9","8","1") = "8"
    & skf18("2","9","3","1","9","9","1") = "8"
    & skf18("2","9","3","1","9","10","1") = "9"
    & skf18("2","9","3","1","10","1","1") = "9"
    & skf18("2","9","3","1","10","2","1") = "9"
    & skf18("2","9","3","1","10","3","1") = "9"
    & skf18("2","9","3","1","10","4","1") = "9"
    & skf18("2","9","3","1","10","5","1") = "9"
    & skf18("2","9","3","1","10","6","1") = "9"
    & skf18("2","9","3","1","10","7","1") = "9"
    & skf18("2","9","3","1","10","8","1") = "9"
    & skf18("2","9","3","1","10","9","1") = "9"
    & skf18("2","9","3","1","10","10","1") = "9"
    & skf18("2","9","3","2","1","1","1") = "8"
    & skf18("2","9","3","2","1","2","1") = "8"
    & skf18("2","9","3","2","1","3","1") = "8"
    & skf18("2","9","3","2","1","4","1") = "8"
    & skf18("2","9","3","2","1","5","1") = "8"
    & skf18("2","9","3","2","1","6","1") = "8"
    & skf18("2","9","3","2","1","7","1") = "8"
    & skf18("2","9","3","2","1","8","1") = "8"
    & skf18("2","9","3","2","1","9","1") = "8"
    & skf18("2","9","3","2","1","10","1") = "9"
    & skf18("2","9","3","2","2","1","1") = "8"
    & skf18("2","9","3","2","2","2","1") = "8"
    & skf18("2","9","3","2","2","3","1") = "8"
    & skf18("2","9","3","2","2","4","1") = "8"
    & skf18("2","9","3","2","2","5","1") = "8"
    & skf18("2","9","3","2","2","6","1") = "8"
    & skf18("2","9","3","2","2","7","1") = "8"
    & skf18("2","9","3","2","2","8","1") = "8"
    & skf18("2","9","3","2","2","9","1") = "8"
    & skf18("2","9","3","2","2","10","1") = "9"
    & skf18("2","9","3","2","3","1","1") = "8"
    & skf18("2","9","3","2","3","2","1") = "8"
    & skf18("2","9","3","2","3","3","1") = "8"
    & skf18("2","9","3","2","3","4","1") = "8"
    & skf18("2","9","3","2","3","5","1") = "8"
    & skf18("2","9","3","2","3","6","1") = "8"
    & skf18("2","9","3","2","3","7","1") = "8"
    & skf18("2","9","3","2","3","8","1") = "8"
    & skf18("2","9","3","2","3","9","1") = "8"
    & skf18("2","9","3","2","3","10","1") = "9"
    & skf18("2","9","3","2","4","1","1") = "8"
    & skf18("2","9","3","2","4","2","1") = "8"
    & skf18("2","9","3","2","4","3","1") = "8"
    & skf18("2","9","3","2","4","4","1") = "8"
    & skf18("2","9","3","2","4","5","1") = "8"
    & skf18("2","9","3","2","4","6","1") = "8"
    & skf18("2","9","3","2","4","7","1") = "8"
    & skf18("2","9","3","2","4","8","1") = "8"
    & skf18("2","9","3","2","4","9","1") = "8"
    & skf18("2","9","3","2","4","10","1") = "9"
    & skf18("2","9","3","2","5","1","1") = "8"
    & skf18("2","9","3","2","5","2","1") = "8"
    & skf18("2","9","3","2","5","3","1") = "8"
    & skf18("2","9","3","2","5","4","1") = "8"
    & skf18("2","9","3","2","5","5","1") = "8"
    & skf18("2","9","3","2","5","6","1") = "8"
    & skf18("2","9","3","2","5","7","1") = "8"
    & skf18("2","9","3","2","5","8","1") = "8"
    & skf18("2","9","3","2","5","9","1") = "8"
    & skf18("2","9","3","2","5","10","1") = "9"
    & skf18("2","9","3","2","6","1","1") = "8"
    & skf18("2","9","3","2","6","2","1") = "8"
    & skf18("2","9","3","2","6","3","1") = "8"
    & skf18("2","9","3","2","6","4","1") = "8"
    & skf18("2","9","3","2","6","5","1") = "8"
    & skf18("2","9","3","2","6","6","1") = "8"
    & skf18("2","9","3","2","6","7","1") = "8"
    & skf18("2","9","3","2","6","8","1") = "8"
    & skf18("2","9","3","2","6","9","1") = "8"
    & skf18("2","9","3","2","6","10","1") = "9"
    & skf18("2","9","3","2","7","1","1") = "8"
    & skf18("2","9","3","2","7","2","1") = "8"
    & skf18("2","9","3","2","7","3","1") = "8"
    & skf18("2","9","3","2","7","4","1") = "8"
    & skf18("2","9","3","2","7","5","1") = "8"
    & skf18("2","9","3","2","7","6","1") = "8"
    & skf18("2","9","3","2","7","7","1") = "8"
    & skf18("2","9","3","2","7","8","1") = "8"
    & skf18("2","9","3","2","7","9","1") = "8"
    & skf18("2","9","3","2","7","10","1") = "9"
    & skf18("2","9","3","2","8","1","1") = "8"
    & skf18("2","9","3","2","8","2","1") = "8"
    & skf18("2","9","3","2","8","3","1") = "8"
    & skf18("2","9","3","2","8","4","1") = "8"
    & skf18("2","9","3","2","8","5","1") = "8"
    & skf18("2","9","3","2","8","6","1") = "8"
    & skf18("2","9","3","2","8","7","1") = "8"
    & skf18("2","9","3","2","8","8","1") = "8"
    & skf18("2","9","3","2","8","9","1") = "8"
    & skf18("2","9","3","2","8","10","1") = "9"
    & skf18("2","9","3","2","9","1","1") = "8"
    & skf18("2","9","3","2","9","2","1") = "8"
    & skf18("2","9","3","2","9","3","1") = "8"
    & skf18("2","9","3","2","9","4","1") = "8"
    & skf18("2","9","3","2","9","5","1") = "8"
    & skf18("2","9","3","2","9","6","1") = "8"
    & skf18("2","9","3","2","9","7","1") = "8"
    & skf18("2","9","3","2","9","8","1") = "8"
    & skf18("2","9","3","2","9","9","1") = "8"
    & skf18("2","9","3","2","9","10","1") = "9"
    & skf18("2","9","3","2","10","1","1") = "9"
    & skf18("2","9","3","2","10","2","1") = "9"
    & skf18("2","9","3","2","10","3","1") = "9"
    & skf18("2","9","3","2","10","4","1") = "9"
    & skf18("2","9","3","2","10","5","1") = "9"
    & skf18("2","9","3","2","10","6","1") = "9"
    & skf18("2","9","3","2","10","7","1") = "9"
    & skf18("2","9","3","2","10","8","1") = "9"
    & skf18("2","9","3","2","10","9","1") = "9"
    & skf18("2","9","3","2","10","10","1") = "9"
    & skf18("2","9","3","3","1","1","1") = "8"
    & skf18("2","9","3","3","1","2","1") = "8"
    & skf18("2","9","3","3","1","3","1") = "8"
    & skf18("2","9","3","3","1","4","1") = "8"
    & skf18("2","9","3","3","1","5","1") = "8"
    & skf18("2","9","3","3","1","6","1") = "8"
    & skf18("2","9","3","3","1","7","1") = "8"
    & skf18("2","9","3","3","1","8","1") = "8"
    & skf18("2","9","3","3","1","9","1") = "8"
    & skf18("2","9","3","3","1","10","1") = "9"
    & skf18("2","9","3","3","2","1","1") = "8"
    & skf18("2","9","3","3","2","2","1") = "8"
    & skf18("2","9","3","3","2","3","1") = "8"
    & skf18("2","9","3","3","2","4","1") = "8"
    & skf18("2","9","3","3","2","5","1") = "8"
    & skf18("2","9","3","3","2","6","1") = "8"
    & skf18("2","9","3","3","2","7","1") = "8"
    & skf18("2","9","3","3","2","8","1") = "8"
    & skf18("2","9","3","3","2","9","1") = "8"
    & skf18("2","9","3","3","2","10","1") = "9"
    & skf18("2","9","3","3","3","1","1") = "8"
    & skf18("2","9","3","3","3","2","1") = "8"
    & skf18("2","9","3","3","3","3","1") = "8"
    & skf18("2","9","3","3","3","4","1") = "8"
    & skf18("2","9","3","3","3","5","1") = "8"
    & skf18("2","9","3","3","3","6","1") = "8"
    & skf18("2","9","3","3","3","7","1") = "8"
    & skf18("2","9","3","3","3","8","1") = "8"
    & skf18("2","9","3","3","3","9","1") = "8"
    & skf18("2","9","3","3","3","10","1") = "9"
    & skf18("2","9","3","3","4","1","1") = "8"
    & skf18("2","9","3","3","4","2","1") = "8"
    & skf18("2","9","3","3","4","3","1") = "8"
    & skf18("2","9","3","3","4","4","1") = "8"
    & skf18("2","9","3","3","4","5","1") = "8"
    & skf18("2","9","3","3","4","6","1") = "8"
    & skf18("2","9","3","3","4","7","1") = "8"
    & skf18("2","9","3","3","4","8","1") = "8"
    & skf18("2","9","3","3","4","9","1") = "8"
    & skf18("2","9","3","3","4","10","1") = "9"
    & skf18("2","9","3","3","5","1","1") = "8"
    & skf18("2","9","3","3","5","2","1") = "8"
    & skf18("2","9","3","3","5","3","1") = "8"
    & skf18("2","9","3","3","5","4","1") = "8"
    & skf18("2","9","3","3","5","5","1") = "8"
    & skf18("2","9","3","3","5","6","1") = "8"
    & skf18("2","9","3","3","5","7","1") = "8"
    & skf18("2","9","3","3","5","8","1") = "8"
    & skf18("2","9","3","3","5","9","1") = "8"
    & skf18("2","9","3","3","5","10","1") = "9"
    & skf18("2","9","3","3","6","1","1") = "8"
    & skf18("2","9","3","3","6","2","1") = "8"
    & skf18("2","9","3","3","6","3","1") = "8"
    & skf18("2","9","3","3","6","4","1") = "8"
    & skf18("2","9","3","3","6","5","1") = "8"
    & skf18("2","9","3","3","6","6","1") = "8"
    & skf18("2","9","3","3","6","7","1") = "8"
    & skf18("2","9","3","3","6","8","1") = "8"
    & skf18("2","9","3","3","6","9","1") = "8"
    & skf18("2","9","3","3","6","10","1") = "9"
    & skf18("2","9","3","3","7","1","1") = "8"
    & skf18("2","9","3","3","7","2","1") = "8"
    & skf18("2","9","3","3","7","3","1") = "8"
    & skf18("2","9","3","3","7","4","1") = "8"
    & skf18("2","9","3","3","7","5","1") = "8"
    & skf18("2","9","3","3","7","6","1") = "8"
    & skf18("2","9","3","3","7","7","1") = "8"
    & skf18("2","9","3","3","7","8","1") = "8"
    & skf18("2","9","3","3","7","9","1") = "8"
    & skf18("2","9","3","3","7","10","1") = "9"
    & skf18("2","9","3","3","8","1","1") = "8"
    & skf18("2","9","3","3","8","2","1") = "8"
    & skf18("2","9","3","3","8","3","1") = "8"
    & skf18("2","9","3","3","8","4","1") = "8"
    & skf18("2","9","3","3","8","5","1") = "8"
    & skf18("2","9","3","3","8","6","1") = "8"
    & skf18("2","9","3","3","8","7","1") = "8"
    & skf18("2","9","3","3","8","8","1") = "8"
    & skf18("2","9","3","3","8","9","1") = "8"
    & skf18("2","9","3","3","8","10","1") = "9"
    & skf18("2","9","3","3","9","1","1") = "8"
    & skf18("2","9","3","3","9","2","1") = "8"
    & skf18("2","9","3","3","9","3","1") = "8"
    & skf18("2","9","3","3","9","4","1") = "8"
    & skf18("2","9","3","3","9","5","1") = "8"
    & skf18("2","9","3","3","9","6","1") = "8"
    & skf18("2","9","3","3","9","7","1") = "8"
    & skf18("2","9","3","3","9","8","1") = "8"
    & skf18("2","9","3","3","9","9","1") = "8"
    & skf18("2","9","3","3","9","10","1") = "9"
    & skf18("2","9","3","3","10","1","1") = "9"
    & skf18("2","9","3","3","10","2","1") = "9"
    & skf18("2","9","3","3","10","3","1") = "9"
    & skf18("2","9","3","3","10","4","1") = "9"
    & skf18("2","9","3","3","10","5","1") = "9"
    & skf18("2","9","3","3","10","6","1") = "9"
    & skf18("2","9","3","3","10","7","1") = "9"
    & skf18("2","9","3","3","10","8","1") = "9"
    & skf18("2","9","3","3","10","9","1") = "9"
    & skf18("2","9","3","3","10","10","1") = "9"
    & skf18("2","9","3","4","1","1","1") = "8"
    & skf18("2","9","3","4","1","2","1") = "8"
    & skf18("2","9","3","4","1","3","1") = "8"
    & skf18("2","9","3","4","1","4","1") = "8"
    & skf18("2","9","3","4","1","5","1") = "8"
    & skf18("2","9","3","4","1","6","1") = "8"
    & skf18("2","9","3","4","1","7","1") = "8"
    & skf18("2","9","3","4","1","8","1") = "8"
    & skf18("2","9","3","4","1","9","1") = "8"
    & skf18("2","9","3","4","1","10","1") = "9"
    & skf18("2","9","3","4","2","1","1") = "8"
    & skf18("2","9","3","4","2","2","1") = "8"
    & skf18("2","9","3","4","2","3","1") = "8"
    & skf18("2","9","3","4","2","4","1") = "8"
    & skf18("2","9","3","4","2","5","1") = "8"
    & skf18("2","9","3","4","2","6","1") = "8"
    & skf18("2","9","3","4","2","7","1") = "8"
    & skf18("2","9","3","4","2","8","1") = "8"
    & skf18("2","9","3","4","2","9","1") = "8"
    & skf18("2","9","3","4","2","10","1") = "9"
    & skf18("2","9","3","4","3","1","1") = "8"
    & skf18("2","9","3","4","3","2","1") = "8"
    & skf18("2","9","3","4","3","3","1") = "8"
    & skf18("2","9","3","4","3","4","1") = "8"
    & skf18("2","9","3","4","3","5","1") = "8"
    & skf18("2","9","3","4","3","6","1") = "8"
    & skf18("2","9","3","4","3","7","1") = "8"
    & skf18("2","9","3","4","3","8","1") = "8"
    & skf18("2","9","3","4","3","9","1") = "8"
    & skf18("2","9","3","4","3","10","1") = "9"
    & skf18("2","9","3","4","4","1","1") = "8"
    & skf18("2","9","3","4","4","2","1") = "8"
    & skf18("2","9","3","4","4","3","1") = "8"
    & skf18("2","9","3","4","4","4","1") = "8"
    & skf18("2","9","3","4","4","5","1") = "8"
    & skf18("2","9","3","4","4","6","1") = "8"
    & skf18("2","9","3","4","4","7","1") = "8"
    & skf18("2","9","3","4","4","8","1") = "8"
    & skf18("2","9","3","4","4","9","1") = "8"
    & skf18("2","9","3","4","4","10","1") = "9"
    & skf18("2","9","3","4","5","1","1") = "8"
    & skf18("2","9","3","4","5","2","1") = "8"
    & skf18("2","9","3","4","5","3","1") = "8"
    & skf18("2","9","3","4","5","4","1") = "8"
    & skf18("2","9","3","4","5","5","1") = "8"
    & skf18("2","9","3","4","5","6","1") = "8"
    & skf18("2","9","3","4","5","7","1") = "8"
    & skf18("2","9","3","4","5","8","1") = "8"
    & skf18("2","9","3","4","5","9","1") = "8"
    & skf18("2","9","3","4","5","10","1") = "9"
    & skf18("2","9","3","4","6","1","1") = "8"
    & skf18("2","9","3","4","6","2","1") = "8"
    & skf18("2","9","3","4","6","3","1") = "8"
    & skf18("2","9","3","4","6","4","1") = "8"
    & skf18("2","9","3","4","6","5","1") = "8"
    & skf18("2","9","3","4","6","6","1") = "8"
    & skf18("2","9","3","4","6","7","1") = "8"
    & skf18("2","9","3","4","6","8","1") = "8"
    & skf18("2","9","3","4","6","9","1") = "8"
    & skf18("2","9","3","4","6","10","1") = "9"
    & skf18("2","9","3","4","7","1","1") = "8"
    & skf18("2","9","3","4","7","2","1") = "8"
    & skf18("2","9","3","4","7","3","1") = "8"
    & skf18("2","9","3","4","7","4","1") = "8"
    & skf18("2","9","3","4","7","5","1") = "8"
    & skf18("2","9","3","4","7","6","1") = "8"
    & skf18("2","9","3","4","7","7","1") = "8"
    & skf18("2","9","3","4","7","8","1") = "8"
    & skf18("2","9","3","4","7","9","1") = "8"
    & skf18("2","9","3","4","7","10","1") = "9"
    & skf18("2","9","3","4","8","1","1") = "8"
    & skf18("2","9","3","4","8","2","1") = "8"
    & skf18("2","9","3","4","8","3","1") = "8"
    & skf18("2","9","3","4","8","4","1") = "8"
    & skf18("2","9","3","4","8","5","1") = "8"
    & skf18("2","9","3","4","8","6","1") = "8"
    & skf18("2","9","3","4","8","7","1") = "8"
    & skf18("2","9","3","4","8","8","1") = "8"
    & skf18("2","9","3","4","8","9","1") = "8"
    & skf18("2","9","3","4","8","10","1") = "9"
    & skf18("2","9","3","4","9","1","1") = "8"
    & skf18("2","9","3","4","9","2","1") = "8"
    & skf18("2","9","3","4","9","3","1") = "8"
    & skf18("2","9","3","4","9","4","1") = "8"
    & skf18("2","9","3","4","9","5","1") = "8"
    & skf18("2","9","3","4","9","6","1") = "8"
    & skf18("2","9","3","4","9","7","1") = "8"
    & skf18("2","9","3","4","9","8","1") = "8"
    & skf18("2","9","3","4","9","9","1") = "8"
    & skf18("2","9","3","4","9","10","1") = "9"
    & skf18("2","9","3","4","10","1","1") = "9"
    & skf18("2","9","3","4","10","2","1") = "9"
    & skf18("2","9","3","4","10","3","1") = "9"
    & skf18("2","9","3","4","10","4","1") = "9"
    & skf18("2","9","3","4","10","5","1") = "9"
    & skf18("2","9","3","4","10","6","1") = "9"
    & skf18("2","9","3","4","10","7","1") = "9"
    & skf18("2","9","3","4","10","8","1") = "9"
    & skf18("2","9","3","4","10","9","1") = "9"
    & skf18("2","9","3","4","10","10","1") = "9"
    & skf18("2","9","3","5","1","1","1") = "8"
    & skf18("2","9","3","5","1","2","1") = "8"
    & skf18("2","9","3","5","1","3","1") = "8"
    & skf18("2","9","3","5","1","4","1") = "8"
    & skf18("2","9","3","5","1","5","1") = "8"
    & skf18("2","9","3","5","1","6","1") = "8"
    & skf18("2","9","3","5","1","7","1") = "8"
    & skf18("2","9","3","5","1","8","1") = "8"
    & skf18("2","9","3","5","1","9","1") = "8"
    & skf18("2","9","3","5","1","10","1") = "9"
    & skf18("2","9","3","5","2","1","1") = "8"
    & skf18("2","9","3","5","2","2","1") = "8"
    & skf18("2","9","3","5","2","3","1") = "8"
    & skf18("2","9","3","5","2","4","1") = "8"
    & skf18("2","9","3","5","2","5","1") = "8"
    & skf18("2","9","3","5","2","6","1") = "8"
    & skf18("2","9","3","5","2","7","1") = "8"
    & skf18("2","9","3","5","2","8","1") = "8"
    & skf18("2","9","3","5","2","9","1") = "8"
    & skf18("2","9","3","5","2","10","1") = "9"
    & skf18("2","9","3","5","3","1","1") = "8"
    & skf18("2","9","3","5","3","2","1") = "8"
    & skf18("2","9","3","5","3","3","1") = "8"
    & skf18("2","9","3","5","3","4","1") = "8"
    & skf18("2","9","3","5","3","5","1") = "8"
    & skf18("2","9","3","5","3","6","1") = "8"
    & skf18("2","9","3","5","3","7","1") = "8"
    & skf18("2","9","3","5","3","8","1") = "8"
    & skf18("2","9","3","5","3","9","1") = "8"
    & skf18("2","9","3","5","3","10","1") = "9"
    & skf18("2","9","3","5","4","1","1") = "8"
    & skf18("2","9","3","5","4","2","1") = "8"
    & skf18("2","9","3","5","4","3","1") = "8"
    & skf18("2","9","3","5","4","4","1") = "8"
    & skf18("2","9","3","5","4","5","1") = "8"
    & skf18("2","9","3","5","4","6","1") = "8"
    & skf18("2","9","3","5","4","7","1") = "8"
    & skf18("2","9","3","5","4","8","1") = "8"
    & skf18("2","9","3","5","4","9","1") = "8"
    & skf18("2","9","3","5","4","10","1") = "9"
    & skf18("2","9","3","5","5","1","1") = "8"
    & skf18("2","9","3","5","5","2","1") = "8"
    & skf18("2","9","3","5","5","3","1") = "8"
    & skf18("2","9","3","5","5","4","1") = "8"
    & skf18("2","9","3","5","5","5","1") = "8"
    & skf18("2","9","3","5","5","6","1") = "8"
    & skf18("2","9","3","5","5","7","1") = "8"
    & skf18("2","9","3","5","5","8","1") = "8"
    & skf18("2","9","3","5","5","9","1") = "8"
    & skf18("2","9","3","5","5","10","1") = "9"
    & skf18("2","9","3","5","6","1","1") = "8"
    & skf18("2","9","3","5","6","2","1") = "8"
    & skf18("2","9","3","5","6","3","1") = "8"
    & skf18("2","9","3","5","6","4","1") = "8"
    & skf18("2","9","3","5","6","5","1") = "8"
    & skf18("2","9","3","5","6","6","1") = "8"
    & skf18("2","9","3","5","6","7","1") = "8"
    & skf18("2","9","3","5","6","8","1") = "8"
    & skf18("2","9","3","5","6","9","1") = "8"
    & skf18("2","9","3","5","6","10","1") = "9"
    & skf18("2","9","3","5","7","1","1") = "8"
    & skf18("2","9","3","5","7","2","1") = "8"
    & skf18("2","9","3","5","7","3","1") = "8"
    & skf18("2","9","3","5","7","4","1") = "8"
    & skf18("2","9","3","5","7","5","1") = "8"
    & skf18("2","9","3","5","7","6","1") = "8"
    & skf18("2","9","3","5","7","7","1") = "8"
    & skf18("2","9","3","5","7","8","1") = "8"
    & skf18("2","9","3","5","7","9","1") = "8"
    & skf18("2","9","3","5","7","10","1") = "9"
    & skf18("2","9","3","5","8","1","1") = "8"
    & skf18("2","9","3","5","8","2","1") = "8"
    & skf18("2","9","3","5","8","3","1") = "8"
    & skf18("2","9","3","5","8","4","1") = "8"
    & skf18("2","9","3","5","8","5","1") = "8"
    & skf18("2","9","3","5","8","6","1") = "8"
    & skf18("2","9","3","5","8","7","1") = "8"
    & skf18("2","9","3","5","8","8","1") = "8"
    & skf18("2","9","3","5","8","9","1") = "8"
    & skf18("2","9","3","5","8","10","1") = "9"
    & skf18("2","9","3","5","9","1","1") = "8"
    & skf18("2","9","3","5","9","2","1") = "8"
    & skf18("2","9","3","5","9","3","1") = "8"
    & skf18("2","9","3","5","9","4","1") = "8"
    & skf18("2","9","3","5","9","5","1") = "8"
    & skf18("2","9","3","5","9","6","1") = "8"
    & skf18("2","9","3","5","9","7","1") = "8"
    & skf18("2","9","3","5","9","8","1") = "8"
    & skf18("2","9","3","5","9","9","1") = "8"
    & skf18("2","9","3","5","9","10","1") = "9"
    & skf18("2","9","3","5","10","1","1") = "9"
    & skf18("2","9","3","5","10","2","1") = "9"
    & skf18("2","9","3","5","10","3","1") = "9"
    & skf18("2","9","3","5","10","4","1") = "9"
    & skf18("2","9","3","5","10","5","1") = "9"
    & skf18("2","9","3","5","10","6","1") = "9"
    & skf18("2","9","3","5","10","7","1") = "9"
    & skf18("2","9","3","5","10","8","1") = "9"
    & skf18("2","9","3","5","10","9","1") = "9"
    & skf18("2","9","3","5","10","10","1") = "9"
    & skf18("2","9","3","6","1","1","1") = "8"
    & skf18("2","9","3","6","1","2","1") = "8"
    & skf18("2","9","3","6","1","3","1") = "8"
    & skf18("2","9","3","6","1","4","1") = "8"
    & skf18("2","9","3","6","1","5","1") = "8"
    & skf18("2","9","3","6","1","6","1") = "8"
    & skf18("2","9","3","6","1","7","1") = "8"
    & skf18("2","9","3","6","1","8","1") = "8"
    & skf18("2","9","3","6","1","9","1") = "8"
    & skf18("2","9","3","6","1","10","1") = "9"
    & skf18("2","9","3","6","2","1","1") = "8"
    & skf18("2","9","3","6","2","2","1") = "8"
    & skf18("2","9","3","6","2","3","1") = "8"
    & skf18("2","9","3","6","2","4","1") = "8"
    & skf18("2","9","3","6","2","5","1") = "8"
    & skf18("2","9","3","6","2","6","1") = "8"
    & skf18("2","9","3","6","2","7","1") = "8"
    & skf18("2","9","3","6","2","8","1") = "8"
    & skf18("2","9","3","6","2","9","1") = "8"
    & skf18("2","9","3","6","2","10","1") = "9"
    & skf18("2","9","3","6","3","1","1") = "8"
    & skf18("2","9","3","6","3","2","1") = "8"
    & skf18("2","9","3","6","3","3","1") = "8"
    & skf18("2","9","3","6","3","4","1") = "8"
    & skf18("2","9","3","6","3","5","1") = "8"
    & skf18("2","9","3","6","3","6","1") = "8"
    & skf18("2","9","3","6","3","7","1") = "8"
    & skf18("2","9","3","6","3","8","1") = "8"
    & skf18("2","9","3","6","3","9","1") = "8"
    & skf18("2","9","3","6","3","10","1") = "9"
    & skf18("2","9","3","6","4","1","1") = "8"
    & skf18("2","9","3","6","4","2","1") = "8"
    & skf18("2","9","3","6","4","3","1") = "8"
    & skf18("2","9","3","6","4","4","1") = "8"
    & skf18("2","9","3","6","4","5","1") = "8"
    & skf18("2","9","3","6","4","6","1") = "8"
    & skf18("2","9","3","6","4","7","1") = "8"
    & skf18("2","9","3","6","4","8","1") = "8"
    & skf18("2","9","3","6","4","9","1") = "8"
    & skf18("2","9","3","6","4","10","1") = "9"
    & skf18("2","9","3","6","5","1","1") = "8"
    & skf18("2","9","3","6","5","2","1") = "8"
    & skf18("2","9","3","6","5","3","1") = "8"
    & skf18("2","9","3","6","5","4","1") = "8"
    & skf18("2","9","3","6","5","5","1") = "8"
    & skf18("2","9","3","6","5","6","1") = "8"
    & skf18("2","9","3","6","5","7","1") = "8"
    & skf18("2","9","3","6","5","8","1") = "8"
    & skf18("2","9","3","6","5","9","1") = "8"
    & skf18("2","9","3","6","5","10","1") = "9"
    & skf18("2","9","3","6","6","1","1") = "8"
    & skf18("2","9","3","6","6","2","1") = "8"
    & skf18("2","9","3","6","6","3","1") = "8"
    & skf18("2","9","3","6","6","4","1") = "8"
    & skf18("2","9","3","6","6","5","1") = "8"
    & skf18("2","9","3","6","6","6","1") = "8"
    & skf18("2","9","3","6","6","7","1") = "8"
    & skf18("2","9","3","6","6","8","1") = "8"
    & skf18("2","9","3","6","6","9","1") = "8"
    & skf18("2","9","3","6","6","10","1") = "9"
    & skf18("2","9","3","6","7","1","1") = "8"
    & skf18("2","9","3","6","7","2","1") = "8"
    & skf18("2","9","3","6","7","3","1") = "8"
    & skf18("2","9","3","6","7","4","1") = "8"
    & skf18("2","9","3","6","7","5","1") = "8"
    & skf18("2","9","3","6","7","6","1") = "8"
    & skf18("2","9","3","6","7","7","1") = "8"
    & skf18("2","9","3","6","7","8","1") = "8"
    & skf18("2","9","3","6","7","9","1") = "8"
    & skf18("2","9","3","6","7","10","1") = "9"
    & skf18("2","9","3","6","8","1","1") = "8"
    & skf18("2","9","3","6","8","2","1") = "8"
    & skf18("2","9","3","6","8","3","1") = "8"
    & skf18("2","9","3","6","8","4","1") = "8"
    & skf18("2","9","3","6","8","5","1") = "8"
    & skf18("2","9","3","6","8","6","1") = "8"
    & skf18("2","9","3","6","8","7","1") = "8"
    & skf18("2","9","3","6","8","8","1") = "8"
    & skf18("2","9","3","6","8","9","1") = "8"
    & skf18("2","9","3","6","8","10","1") = "9"
    & skf18("2","9","3","6","9","1","1") = "8"
    & skf18("2","9","3","6","9","2","1") = "8"
    & skf18("2","9","3","6","9","3","1") = "8"
    & skf18("2","9","3","6","9","4","1") = "8"
    & skf18("2","9","3","6","9","5","1") = "8"
    & skf18("2","9","3","6","9","6","1") = "8"
    & skf18("2","9","3","6","9","7","1") = "8"
    & skf18("2","9","3","6","9","8","1") = "8"
    & skf18("2","9","3","6","9","9","1") = "8"
    & skf18("2","9","3","6","9","10","1") = "9"
    & skf18("2","9","3","6","10","1","1") = "9"
    & skf18("2","9","3","6","10","2","1") = "9"
    & skf18("2","9","3","6","10","3","1") = "9"
    & skf18("2","9","3","6","10","4","1") = "9"
    & skf18("2","9","3","6","10","5","1") = "9"
    & skf18("2","9","3","6","10","6","1") = "9"
    & skf18("2","9","3","6","10","7","1") = "9"
    & skf18("2","9","3","6","10","8","1") = "9"
    & skf18("2","9","3","6","10","9","1") = "9"
    & skf18("2","9","3","6","10","10","1") = "9"
    & skf18("2","9","3","7","1","1","1") = "8"
    & skf18("2","9","3","7","1","2","1") = "8"
    & skf18("2","9","3","7","1","3","1") = "8"
    & skf18("2","9","3","7","1","4","1") = "8"
    & skf18("2","9","3","7","1","5","1") = "8"
    & skf18("2","9","3","7","1","6","1") = "8"
    & skf18("2","9","3","7","1","7","1") = "8"
    & skf18("2","9","3","7","1","8","1") = "8"
    & skf18("2","9","3","7","1","9","1") = "8"
    & skf18("2","9","3","7","1","10","1") = "9"
    & skf18("2","9","3","7","2","1","1") = "8"
    & skf18("2","9","3","7","2","2","1") = "8"
    & skf18("2","9","3","7","2","3","1") = "8"
    & skf18("2","9","3","7","2","4","1") = "8"
    & skf18("2","9","3","7","2","5","1") = "8"
    & skf18("2","9","3","7","2","6","1") = "8"
    & skf18("2","9","3","7","2","7","1") = "8"
    & skf18("2","9","3","7","2","8","1") = "8"
    & skf18("2","9","3","7","2","9","1") = "8"
    & skf18("2","9","3","7","2","10","1") = "9"
    & skf18("2","9","3","7","3","1","1") = "8"
    & skf18("2","9","3","7","3","2","1") = "8"
    & skf18("2","9","3","7","3","3","1") = "8"
    & skf18("2","9","3","7","3","4","1") = "8"
    & skf18("2","9","3","7","3","5","1") = "8"
    & skf18("2","9","3","7","3","6","1") = "8"
    & skf18("2","9","3","7","3","7","1") = "8"
    & skf18("2","9","3","7","3","8","1") = "8"
    & skf18("2","9","3","7","3","9","1") = "8"
    & skf18("2","9","3","7","3","10","1") = "9"
    & skf18("2","9","3","7","4","1","1") = "8"
    & skf18("2","9","3","7","4","2","1") = "8"
    & skf18("2","9","3","7","4","3","1") = "8"
    & skf18("2","9","3","7","4","4","1") = "8"
    & skf18("2","9","3","7","4","5","1") = "8"
    & skf18("2","9","3","7","4","6","1") = "8"
    & skf18("2","9","3","7","4","7","1") = "8"
    & skf18("2","9","3","7","4","8","1") = "8"
    & skf18("2","9","3","7","4","9","1") = "8"
    & skf18("2","9","3","7","4","10","1") = "9"
    & skf18("2","9","3","7","5","1","1") = "8"
    & skf18("2","9","3","7","5","2","1") = "8"
    & skf18("2","9","3","7","5","3","1") = "8"
    & skf18("2","9","3","7","5","4","1") = "8"
    & skf18("2","9","3","7","5","5","1") = "8"
    & skf18("2","9","3","7","5","6","1") = "8"
    & skf18("2","9","3","7","5","7","1") = "8"
    & skf18("2","9","3","7","5","8","1") = "8"
    & skf18("2","9","3","7","5","9","1") = "8"
    & skf18("2","9","3","7","5","10","1") = "9"
    & skf18("2","9","3","7","6","1","1") = "8"
    & skf18("2","9","3","7","6","2","1") = "8"
    & skf18("2","9","3","7","6","3","1") = "8"
    & skf18("2","9","3","7","6","4","1") = "8"
    & skf18("2","9","3","7","6","5","1") = "8"
    & skf18("2","9","3","7","6","6","1") = "8"
    & skf18("2","9","3","7","6","7","1") = "8"
    & skf18("2","9","3","7","6","8","1") = "8"
    & skf18("2","9","3","7","6","9","1") = "8"
    & skf18("2","9","3","7","6","10","1") = "9"
    & skf18("2","9","3","7","7","1","1") = "8"
    & skf18("2","9","3","7","7","2","1") = "8"
    & skf18("2","9","3","7","7","3","1") = "8"
    & skf18("2","9","3","7","7","4","1") = "8"
    & skf18("2","9","3","7","7","5","1") = "8"
    & skf18("2","9","3","7","7","6","1") = "8"
    & skf18("2","9","3","7","7","7","1") = "8"
    & skf18("2","9","3","7","7","8","1") = "8"
    & skf18("2","9","3","7","7","9","1") = "8"
    & skf18("2","9","3","7","7","10","1") = "9"
    & skf18("2","9","3","7","8","1","1") = "8"
    & skf18("2","9","3","7","8","2","1") = "8"
    & skf18("2","9","3","7","8","3","1") = "8"
    & skf18("2","9","3","7","8","4","1") = "8"
    & skf18("2","9","3","7","8","5","1") = "8"
    & skf18("2","9","3","7","8","6","1") = "8"
    & skf18("2","9","3","7","8","7","1") = "8"
    & skf18("2","9","3","7","8","8","1") = "8"
    & skf18("2","9","3","7","8","9","1") = "8"
    & skf18("2","9","3","7","8","10","1") = "9"
    & skf18("2","9","3","7","9","1","1") = "8"
    & skf18("2","9","3","7","9","2","1") = "8"
    & skf18("2","9","3","7","9","3","1") = "8"
    & skf18("2","9","3","7","9","4","1") = "8"
    & skf18("2","9","3","7","9","5","1") = "8"
    & skf18("2","9","3","7","9","6","1") = "8"
    & skf18("2","9","3","7","9","7","1") = "8"
    & skf18("2","9","3","7","9","8","1") = "8"
    & skf18("2","9","3","7","9","9","1") = "8"
    & skf18("2","9","3","7","9","10","1") = "9"
    & skf18("2","9","3","7","10","1","1") = "9"
    & skf18("2","9","3","7","10","2","1") = "9"
    & skf18("2","9","3","7","10","3","1") = "9"
    & skf18("2","9","3","7","10","4","1") = "9"
    & skf18("2","9","3","7","10","5","1") = "9"
    & skf18("2","9","3","7","10","6","1") = "9"
    & skf18("2","9","3","7","10","7","1") = "9"
    & skf18("2","9","3","7","10","8","1") = "9"
    & skf18("2","9","3","7","10","9","1") = "9"
    & skf18("2","9","3","7","10","10","1") = "9"
    & skf18("2","9","3","8","1","1","1") = "8"
    & skf18("2","9","3","8","1","2","1") = "8"
    & skf18("2","9","3","8","1","3","1") = "8"
    & skf18("2","9","3","8","1","4","1") = "8"
    & skf18("2","9","3","8","1","5","1") = "8"
    & skf18("2","9","3","8","1","6","1") = "8"
    & skf18("2","9","3","8","1","7","1") = "8"
    & skf18("2","9","3","8","1","8","1") = "8"
    & skf18("2","9","3","8","1","9","1") = "8"
    & skf18("2","9","3","8","1","10","1") = "9"
    & skf18("2","9","3","8","2","1","1") = "8"
    & skf18("2","9","3","8","2","2","1") = "8"
    & skf18("2","9","3","8","2","3","1") = "8"
    & skf18("2","9","3","8","2","4","1") = "8"
    & skf18("2","9","3","8","2","5","1") = "8"
    & skf18("2","9","3","8","2","6","1") = "8"
    & skf18("2","9","3","8","2","7","1") = "8"
    & skf18("2","9","3","8","2","8","1") = "8"
    & skf18("2","9","3","8","2","9","1") = "8"
    & skf18("2","9","3","8","2","10","1") = "9"
    & skf18("2","9","3","8","3","1","1") = "8"
    & skf18("2","9","3","8","3","2","1") = "8"
    & skf18("2","9","3","8","3","3","1") = "8"
    & skf18("2","9","3","8","3","4","1") = "8"
    & skf18("2","9","3","8","3","5","1") = "8"
    & skf18("2","9","3","8","3","6","1") = "8"
    & skf18("2","9","3","8","3","7","1") = "8"
    & skf18("2","9","3","8","3","8","1") = "8"
    & skf18("2","9","3","8","3","9","1") = "8"
    & skf18("2","9","3","8","3","10","1") = "9"
    & skf18("2","9","3","8","4","1","1") = "8"
    & skf18("2","9","3","8","4","2","1") = "8"
    & skf18("2","9","3","8","4","3","1") = "8"
    & skf18("2","9","3","8","4","4","1") = "8"
    & skf18("2","9","3","8","4","5","1") = "8"
    & skf18("2","9","3","8","4","6","1") = "8"
    & skf18("2","9","3","8","4","7","1") = "8"
    & skf18("2","9","3","8","4","8","1") = "8"
    & skf18("2","9","3","8","4","9","1") = "8"
    & skf18("2","9","3","8","4","10","1") = "9"
    & skf18("2","9","3","8","5","1","1") = "8"
    & skf18("2","9","3","8","5","2","1") = "8"
    & skf18("2","9","3","8","5","3","1") = "8"
    & skf18("2","9","3","8","5","4","1") = "8"
    & skf18("2","9","3","8","5","5","1") = "8"
    & skf18("2","9","3","8","5","6","1") = "8"
    & skf18("2","9","3","8","5","7","1") = "8"
    & skf18("2","9","3","8","5","8","1") = "8"
    & skf18("2","9","3","8","5","9","1") = "8"
    & skf18("2","9","3","8","5","10","1") = "9"
    & skf18("2","9","3","8","6","1","1") = "8"
    & skf18("2","9","3","8","6","2","1") = "8"
    & skf18("2","9","3","8","6","3","1") = "8"
    & skf18("2","9","3","8","6","4","1") = "8"
    & skf18("2","9","3","8","6","5","1") = "8"
    & skf18("2","9","3","8","6","6","1") = "8"
    & skf18("2","9","3","8","6","7","1") = "8"
    & skf18("2","9","3","8","6","8","1") = "8"
    & skf18("2","9","3","8","6","9","1") = "8"
    & skf18("2","9","3","8","6","10","1") = "9"
    & skf18("2","9","3","8","7","1","1") = "8"
    & skf18("2","9","3","8","7","2","1") = "8"
    & skf18("2","9","3","8","7","3","1") = "8"
    & skf18("2","9","3","8","7","4","1") = "8"
    & skf18("2","9","3","8","7","5","1") = "8"
    & skf18("2","9","3","8","7","6","1") = "8"
    & skf18("2","9","3","8","7","7","1") = "8"
    & skf18("2","9","3","8","7","8","1") = "8"
    & skf18("2","9","3","8","7","9","1") = "8"
    & skf18("2","9","3","8","7","10","1") = "9"
    & skf18("2","9","3","8","8","1","1") = "8"
    & skf18("2","9","3","8","8","2","1") = "8"
    & skf18("2","9","3","8","8","3","1") = "8"
    & skf18("2","9","3","8","8","4","1") = "8"
    & skf18("2","9","3","8","8","5","1") = "8"
    & skf18("2","9","3","8","8","6","1") = "8"
    & skf18("2","9","3","8","8","7","1") = "8"
    & skf18("2","9","3","8","8","8","1") = "8"
    & skf18("2","9","3","8","8","9","1") = "8"
    & skf18("2","9","3","8","8","10","1") = "9"
    & skf18("2","9","3","8","9","1","1") = "8"
    & skf18("2","9","3","8","9","2","1") = "8"
    & skf18("2","9","3","8","9","3","1") = "8"
    & skf18("2","9","3","8","9","4","1") = "8"
    & skf18("2","9","3","8","9","5","1") = "8"
    & skf18("2","9","3","8","9","6","1") = "8"
    & skf18("2","9","3","8","9","7","1") = "8"
    & skf18("2","9","3","8","9","8","1") = "8"
    & skf18("2","9","3","8","9","9","1") = "8"
    & skf18("2","9","3","8","9","10","1") = "9"
    & skf18("2","9","3","8","10","1","1") = "9"
    & skf18("2","9","3","8","10","2","1") = "9"
    & skf18("2","9","3","8","10","3","1") = "9"
    & skf18("2","9","3","8","10","4","1") = "9"
    & skf18("2","9","3","8","10","5","1") = "9"
    & skf18("2","9","3","8","10","6","1") = "9"
    & skf18("2","9","3","8","10","7","1") = "9"
    & skf18("2","9","3","8","10","8","1") = "9"
    & skf18("2","9","3","8","10","9","1") = "9"
    & skf18("2","9","3","8","10","10","1") = "9"
    & skf18("2","9","3","9","1","1","1") = "8"
    & skf18("2","9","3","9","1","2","1") = "8"
    & skf18("2","9","3","9","1","3","1") = "8"
    & skf18("2","9","3","9","1","4","1") = "8"
    & skf18("2","9","3","9","1","5","1") = "8"
    & skf18("2","9","3","9","1","6","1") = "8"
    & skf18("2","9","3","9","1","7","1") = "8"
    & skf18("2","9","3","9","1","8","1") = "8"
    & skf18("2","9","3","9","1","9","1") = "8"
    & skf18("2","9","3","9","1","10","1") = "9"
    & skf18("2","9","3","9","2","1","1") = "8"
    & skf18("2","9","3","9","2","2","1") = "8"
    & skf18("2","9","3","9","2","3","1") = "8"
    & skf18("2","9","3","9","2","4","1") = "8"
    & skf18("2","9","3","9","2","5","1") = "8"
    & skf18("2","9","3","9","2","6","1") = "8"
    & skf18("2","9","3","9","2","7","1") = "8"
    & skf18("2","9","3","9","2","8","1") = "8"
    & skf18("2","9","3","9","2","9","1") = "8"
    & skf18("2","9","3","9","2","10","1") = "9"
    & skf18("2","9","3","9","3","1","1") = "8"
    & skf18("2","9","3","9","3","2","1") = "8"
    & skf18("2","9","3","9","3","3","1") = "8"
    & skf18("2","9","3","9","3","4","1") = "8"
    & skf18("2","9","3","9","3","5","1") = "8"
    & skf18("2","9","3","9","3","6","1") = "8"
    & skf18("2","9","3","9","3","7","1") = "8"
    & skf18("2","9","3","9","3","8","1") = "8"
    & skf18("2","9","3","9","3","9","1") = "8"
    & skf18("2","9","3","9","3","10","1") = "9"
    & skf18("2","9","3","9","4","1","1") = "8"
    & skf18("2","9","3","9","4","2","1") = "8"
    & skf18("2","9","3","9","4","3","1") = "8"
    & skf18("2","9","3","9","4","4","1") = "8"
    & skf18("2","9","3","9","4","5","1") = "8"
    & skf18("2","9","3","9","4","6","1") = "8"
    & skf18("2","9","3","9","4","7","1") = "8"
    & skf18("2","9","3","9","4","8","1") = "8"
    & skf18("2","9","3","9","4","9","1") = "8"
    & skf18("2","9","3","9","4","10","1") = "9"
    & skf18("2","9","3","9","5","1","1") = "8"
    & skf18("2","9","3","9","5","2","1") = "8"
    & skf18("2","9","3","9","5","3","1") = "8"
    & skf18("2","9","3","9","5","4","1") = "8"
    & skf18("2","9","3","9","5","5","1") = "8"
    & skf18("2","9","3","9","5","6","1") = "8"
    & skf18("2","9","3","9","5","7","1") = "8"
    & skf18("2","9","3","9","5","8","1") = "8"
    & skf18("2","9","3","9","5","9","1") = "8"
    & skf18("2","9","3","9","5","10","1") = "9"
    & skf18("2","9","3","9","6","1","1") = "8"
    & skf18("2","9","3","9","6","2","1") = "8"
    & skf18("2","9","3","9","6","3","1") = "8"
    & skf18("2","9","3","9","6","4","1") = "8"
    & skf18("2","9","3","9","6","5","1") = "8"
    & skf18("2","9","3","9","6","6","1") = "8"
    & skf18("2","9","3","9","6","7","1") = "8"
    & skf18("2","9","3","9","6","8","1") = "8"
    & skf18("2","9","3","9","6","9","1") = "8"
    & skf18("2","9","3","9","6","10","1") = "9"
    & skf18("2","9","3","9","7","1","1") = "8"
    & skf18("2","9","3","9","7","2","1") = "8"
    & skf18("2","9","3","9","7","3","1") = "8"
    & skf18("2","9","3","9","7","4","1") = "8"
    & skf18("2","9","3","9","7","5","1") = "8"
    & skf18("2","9","3","9","7","6","1") = "8"
    & skf18("2","9","3","9","7","7","1") = "8"
    & skf18("2","9","3","9","7","8","1") = "8"
    & skf18("2","9","3","9","7","9","1") = "8"
    & skf18("2","9","3","9","7","10","1") = "9"
    & skf18("2","9","3","9","8","1","1") = "8"
    & skf18("2","9","3","9","8","2","1") = "8"
    & skf18("2","9","3","9","8","3","1") = "8"
    & skf18("2","9","3","9","8","4","1") = "8"
    & skf18("2","9","3","9","8","5","1") = "8"
    & skf18("2","9","3","9","8","6","1") = "8"
    & skf18("2","9","3","9","8","7","1") = "8"
    & skf18("2","9","3","9","8","8","1") = "8"
    & skf18("2","9","3","9","8","9","1") = "8"
    & skf18("2","9","3","9","8","10","1") = "9"
    & skf18("2","9","3","9","9","1","1") = "8"
    & skf18("2","9","3","9","9","2","1") = "8"
    & skf18("2","9","3","9","9","3","1") = "8"
    & skf18("2","9","3","9","9","4","1") = "8"
    & skf18("2","9","3","9","9","5","1") = "8"
    & skf18("2","9","3","9","9","6","1") = "8"
    & skf18("2","9","3","9","9","7","1") = "8"
    & skf18("2","9","3","9","9","8","1") = "8"
    & skf18("2","9","3","9","9","9","1") = "8"
    & skf18("2","9","3","9","9","10","1") = "9"
    & skf18("2","9","3","9","10","1","1") = "9"
    & skf18("2","9","3","9","10","2","1") = "9"
    & skf18("2","9","3","9","10","3","1") = "9"
    & skf18("2","9","3","9","10","4","1") = "9"
    & skf18("2","9","3","9","10","5","1") = "9"
    & skf18("2","9","3","9","10","6","1") = "9"
    & skf18("2","9","3","9","10","7","1") = "9"
    & skf18("2","9","3","9","10","8","1") = "9"
    & skf18("2","9","3","9","10","9","1") = "9"
    & skf18("2","9","3","9","10","10","1") = "9"
    & skf18("2","9","3","10","1","1","1") = "9"
    & skf18("2","9","3","10","1","2","1") = "9"
    & skf18("2","9","3","10","1","3","1") = "9"
    & skf18("2","9","3","10","1","4","1") = "9"
    & skf18("2","9","3","10","1","5","1") = "9"
    & skf18("2","9","3","10","1","6","1") = "9"
    & skf18("2","9","3","10","1","7","1") = "9"
    & skf18("2","9","3","10","1","8","1") = "9"
    & skf18("2","9","3","10","1","9","1") = "9"
    & skf18("2","9","3","10","1","10","1") = "9"
    & skf18("2","9","3","10","2","1","1") = "9"
    & skf18("2","9","3","10","2","2","1") = "9"
    & skf18("2","9","3","10","2","3","1") = "9"
    & skf18("2","9","3","10","2","4","1") = "9"
    & skf18("2","9","3","10","2","5","1") = "9"
    & skf18("2","9","3","10","2","6","1") = "9"
    & skf18("2","9","3","10","2","7","1") = "9"
    & skf18("2","9","3","10","2","8","1") = "9"
    & skf18("2","9","3","10","2","9","1") = "9"
    & skf18("2","9","3","10","2","10","1") = "9"
    & skf18("2","9","3","10","3","1","1") = "9"
    & skf18("2","9","3","10","3","2","1") = "9"
    & skf18("2","9","3","10","3","3","1") = "9"
    & skf18("2","9","3","10","3","4","1") = "9"
    & skf18("2","9","3","10","3","5","1") = "9"
    & skf18("2","9","3","10","3","6","1") = "9"
    & skf18("2","9","3","10","3","7","1") = "9"
    & skf18("2","9","3","10","3","8","1") = "9"
    & skf18("2","9","3","10","3","9","1") = "9"
    & skf18("2","9","3","10","3","10","1") = "9"
    & skf18("2","9","3","10","4","1","1") = "9"
    & skf18("2","9","3","10","4","2","1") = "9"
    & skf18("2","9","3","10","4","3","1") = "9"
    & skf18("2","9","3","10","4","4","1") = "9"
    & skf18("2","9","3","10","4","5","1") = "9"
    & skf18("2","9","3","10","4","6","1") = "9"
    & skf18("2","9","3","10","4","7","1") = "9"
    & skf18("2","9","3","10","4","8","1") = "9"
    & skf18("2","9","3","10","4","9","1") = "9"
    & skf18("2","9","3","10","4","10","1") = "9"
    & skf18("2","9","3","10","5","1","1") = "9"
    & skf18("2","9","3","10","5","2","1") = "9"
    & skf18("2","9","3","10","5","3","1") = "9"
    & skf18("2","9","3","10","5","4","1") = "9"
    & skf18("2","9","3","10","5","5","1") = "9"
    & skf18("2","9","3","10","5","6","1") = "9"
    & skf18("2","9","3","10","5","7","1") = "9"
    & skf18("2","9","3","10","5","8","1") = "9"
    & skf18("2","9","3","10","5","9","1") = "9"
    & skf18("2","9","3","10","5","10","1") = "9"
    & skf18("2","9","3","10","6","1","1") = "9"
    & skf18("2","9","3","10","6","2","1") = "9"
    & skf18("2","9","3","10","6","3","1") = "9"
    & skf18("2","9","3","10","6","4","1") = "9"
    & skf18("2","9","3","10","6","5","1") = "9"
    & skf18("2","9","3","10","6","6","1") = "9"
    & skf18("2","9","3","10","6","7","1") = "9"
    & skf18("2","9","3","10","6","8","1") = "9"
    & skf18("2","9","3","10","6","9","1") = "9"
    & skf18("2","9","3","10","6","10","1") = "9"
    & skf18("2","9","3","10","7","1","1") = "9"
    & skf18("2","9","3","10","7","2","1") = "9"
    & skf18("2","9","3","10","7","3","1") = "9"
    & skf18("2","9","3","10","7","4","1") = "9"
    & skf18("2","9","3","10","7","5","1") = "9"
    & skf18("2","9","3","10","7","6","1") = "9"
    & skf18("2","9","3","10","7","7","1") = "9"
    & skf18("2","9","3","10","7","8","1") = "9"
    & skf18("2","9","3","10","7","9","1") = "9"
    & skf18("2","9","3","10","7","10","1") = "9"
    & skf18("2","9","3","10","8","1","1") = "9"
    & skf18("2","9","3","10","8","2","1") = "9"
    & skf18("2","9","3","10","8","3","1") = "9"
    & skf18("2","9","3","10","8","4","1") = "9"
    & skf18("2","9","3","10","8","5","1") = "9"
    & skf18("2","9","3","10","8","6","1") = "9"
    & skf18("2","9","3","10","8","7","1") = "9"
    & skf18("2","9","3","10","8","8","1") = "9"
    & skf18("2","9","3","10","8","9","1") = "9"
    & skf18("2","9","3","10","8","10","1") = "9"
    & skf18("2","9","3","10","9","1","1") = "9"
    & skf18("2","9","3","10","9","2","1") = "9"
    & skf18("2","9","3","10","9","3","1") = "9"
    & skf18("2","9","3","10","9","4","1") = "9"
    & skf18("2","9","3","10","9","5","1") = "9"
    & skf18("2","9","3","10","9","6","1") = "9"
    & skf18("2","9","3","10","9","7","1") = "9"
    & skf18("2","9","3","10","9","8","1") = "9"
    & skf18("2","9","3","10","9","9","1") = "9"
    & skf18("2","9","3","10","9","10","1") = "9"
    & skf18("2","9","3","10","10","1","1") = "9"
    & skf18("2","9","3","10","10","2","1") = "9"
    & skf18("2","9","3","10","10","3","1") = "9"
    & skf18("2","9","3","10","10","4","1") = "9"
    & skf18("2","9","3","10","10","5","1") = "9"
    & skf18("2","9","3","10","10","6","1") = "9"
    & skf18("2","9","3","10","10","7","1") = "9"
    & skf18("2","9","3","10","10","8","1") = "9"
    & skf18("2","9","3","10","10","9","1") = "9"
    & skf18("2","9","3","10","10","10","1") = "9"
    & skf18("2","9","4","1","1","1","1") = "8"
    & skf18("2","9","4","1","1","2","1") = "8"
    & skf18("2","9","4","1","1","3","1") = "8"
    & skf18("2","9","4","1","1","4","1") = "8"
    & skf18("2","9","4","1","1","5","1") = "8"
    & skf18("2","9","4","1","1","6","1") = "8"
    & skf18("2","9","4","1","1","7","1") = "8"
    & skf18("2","9","4","1","1","8","1") = "8"
    & skf18("2","9","4","1","1","9","1") = "8"
    & skf18("2","9","4","1","1","10","1") = "9"
    & skf18("2","9","4","1","2","1","1") = "8"
    & skf18("2","9","4","1","2","2","1") = "8"
    & skf18("2","9","4","1","2","3","1") = "8"
    & skf18("2","9","4","1","2","4","1") = "8"
    & skf18("2","9","4","1","2","5","1") = "8"
    & skf18("2","9","4","1","2","6","1") = "8"
    & skf18("2","9","4","1","2","7","1") = "8"
    & skf18("2","9","4","1","2","8","1") = "8"
    & skf18("2","9","4","1","2","9","1") = "8"
    & skf18("2","9","4","1","2","10","1") = "9"
    & skf18("2","9","4","1","3","1","1") = "8"
    & skf18("2","9","4","1","3","2","1") = "8"
    & skf18("2","9","4","1","3","3","1") = "8"
    & skf18("2","9","4","1","3","4","1") = "8"
    & skf18("2","9","4","1","3","5","1") = "8"
    & skf18("2","9","4","1","3","6","1") = "8"
    & skf18("2","9","4","1","3","7","1") = "8"
    & skf18("2","9","4","1","3","8","1") = "8"
    & skf18("2","9","4","1","3","9","1") = "8"
    & skf18("2","9","4","1","3","10","1") = "9"
    & skf18("2","9","4","1","4","1","1") = "8"
    & skf18("2","9","4","1","4","2","1") = "8"
    & skf18("2","9","4","1","4","3","1") = "8"
    & skf18("2","9","4","1","4","4","1") = "8"
    & skf18("2","9","4","1","4","5","1") = "8"
    & skf18("2","9","4","1","4","6","1") = "8"
    & skf18("2","9","4","1","4","7","1") = "8"
    & skf18("2","9","4","1","4","8","1") = "8"
    & skf18("2","9","4","1","4","9","1") = "8"
    & skf18("2","9","4","1","4","10","1") = "9"
    & skf18("2","9","4","1","5","1","1") = "8"
    & skf18("2","9","4","1","5","2","1") = "8"
    & skf18("2","9","4","1","5","3","1") = "8"
    & skf18("2","9","4","1","5","4","1") = "8"
    & skf18("2","9","4","1","5","5","1") = "8"
    & skf18("2","9","4","1","5","6","1") = "8"
    & skf18("2","9","4","1","5","7","1") = "8"
    & skf18("2","9","4","1","5","8","1") = "8"
    & skf18("2","9","4","1","5","9","1") = "8"
    & skf18("2","9","4","1","5","10","1") = "9"
    & skf18("2","9","4","1","6","1","1") = "8"
    & skf18("2","9","4","1","6","2","1") = "8"
    & skf18("2","9","4","1","6","3","1") = "8"
    & skf18("2","9","4","1","6","4","1") = "8"
    & skf18("2","9","4","1","6","5","1") = "8"
    & skf18("2","9","4","1","6","6","1") = "8"
    & skf18("2","9","4","1","6","7","1") = "8"
    & skf18("2","9","4","1","6","8","1") = "8"
    & skf18("2","9","4","1","6","9","1") = "8"
    & skf18("2","9","4","1","6","10","1") = "9"
    & skf18("2","9","4","1","7","1","1") = "8"
    & skf18("2","9","4","1","7","2","1") = "8"
    & skf18("2","9","4","1","7","3","1") = "8"
    & skf18("2","9","4","1","7","4","1") = "8"
    & skf18("2","9","4","1","7","5","1") = "8"
    & skf18("2","9","4","1","7","6","1") = "8"
    & skf18("2","9","4","1","7","7","1") = "8"
    & skf18("2","9","4","1","7","8","1") = "8"
    & skf18("2","9","4","1","7","9","1") = "8"
    & skf18("2","9","4","1","7","10","1") = "9"
    & skf18("2","9","4","1","8","1","1") = "8"
    & skf18("2","9","4","1","8","2","1") = "8"
    & skf18("2","9","4","1","8","3","1") = "8"
    & skf18("2","9","4","1","8","4","1") = "8"
    & skf18("2","9","4","1","8","5","1") = "8"
    & skf18("2","9","4","1","8","6","1") = "8"
    & skf18("2","9","4","1","8","7","1") = "8"
    & skf18("2","9","4","1","8","8","1") = "8"
    & skf18("2","9","4","1","8","9","1") = "8"
    & skf18("2","9","4","1","8","10","1") = "9"
    & skf18("2","9","4","1","9","1","1") = "8"
    & skf18("2","9","4","1","9","2","1") = "8"
    & skf18("2","9","4","1","9","3","1") = "8"
    & skf18("2","9","4","1","9","4","1") = "8"
    & skf18("2","9","4","1","9","5","1") = "8"
    & skf18("2","9","4","1","9","6","1") = "8"
    & skf18("2","9","4","1","9","7","1") = "8"
    & skf18("2","9","4","1","9","8","1") = "8"
    & skf18("2","9","4","1","9","9","1") = "8"
    & skf18("2","9","4","1","9","10","1") = "9"
    & skf18("2","9","4","1","10","1","1") = "9"
    & skf18("2","9","4","1","10","2","1") = "9"
    & skf18("2","9","4","1","10","3","1") = "9"
    & skf18("2","9","4","1","10","4","1") = "9"
    & skf18("2","9","4","1","10","5","1") = "9"
    & skf18("2","9","4","1","10","6","1") = "9"
    & skf18("2","9","4","1","10","7","1") = "9"
    & skf18("2","9","4","1","10","8","1") = "9"
    & skf18("2","9","4","1","10","9","1") = "9"
    & skf18("2","9","4","1","10","10","1") = "9"
    & skf18("2","9","4","2","1","1","1") = "8"
    & skf18("2","9","4","2","1","2","1") = "8"
    & skf18("2","9","4","2","1","3","1") = "8"
    & skf18("2","9","4","2","1","4","1") = "8"
    & skf18("2","9","4","2","1","5","1") = "8"
    & skf18("2","9","4","2","1","6","1") = "8"
    & skf18("2","9","4","2","1","7","1") = "8"
    & skf18("2","9","4","2","1","8","1") = "8"
    & skf18("2","9","4","2","1","9","1") = "8"
    & skf18("2","9","4","2","1","10","1") = "9"
    & skf18("2","9","4","2","2","1","1") = "8"
    & skf18("2","9","4","2","2","2","1") = "8"
    & skf18("2","9","4","2","2","3","1") = "8"
    & skf18("2","9","4","2","2","4","1") = "8"
    & skf18("2","9","4","2","2","5","1") = "8"
    & skf18("2","9","4","2","2","6","1") = "8"
    & skf18("2","9","4","2","2","7","1") = "8"
    & skf18("2","9","4","2","2","8","1") = "8"
    & skf18("2","9","4","2","2","9","1") = "8"
    & skf18("2","9","4","2","2","10","1") = "9"
    & skf18("2","9","4","2","3","1","1") = "8"
    & skf18("2","9","4","2","3","2","1") = "8"
    & skf18("2","9","4","2","3","3","1") = "8"
    & skf18("2","9","4","2","3","4","1") = "8"
    & skf18("2","9","4","2","3","5","1") = "8"
    & skf18("2","9","4","2","3","6","1") = "8"
    & skf18("2","9","4","2","3","7","1") = "8"
    & skf18("2","9","4","2","3","8","1") = "8"
    & skf18("2","9","4","2","3","9","1") = "8"
    & skf18("2","9","4","2","3","10","1") = "9"
    & skf18("2","9","4","2","4","1","1") = "8"
    & skf18("2","9","4","2","4","2","1") = "8"
    & skf18("2","9","4","2","4","3","1") = "8"
    & skf18("2","9","4","2","4","4","1") = "8"
    & skf18("2","9","4","2","4","5","1") = "8"
    & skf18("2","9","4","2","4","6","1") = "8"
    & skf18("2","9","4","2","4","7","1") = "8"
    & skf18("2","9","4","2","4","8","1") = "8"
    & skf18("2","9","4","2","4","9","1") = "8"
    & skf18("2","9","4","2","4","10","1") = "9"
    & skf18("2","9","4","2","5","1","1") = "8"
    & skf18("2","9","4","2","5","2","1") = "8"
    & skf18("2","9","4","2","5","3","1") = "8"
    & skf18("2","9","4","2","5","4","1") = "8"
    & skf18("2","9","4","2","5","5","1") = "8"
    & skf18("2","9","4","2","5","6","1") = "8"
    & skf18("2","9","4","2","5","7","1") = "8"
    & skf18("2","9","4","2","5","8","1") = "8"
    & skf18("2","9","4","2","5","9","1") = "8"
    & skf18("2","9","4","2","5","10","1") = "9"
    & skf18("2","9","4","2","6","1","1") = "8"
    & skf18("2","9","4","2","6","2","1") = "8"
    & skf18("2","9","4","2","6","3","1") = "8"
    & skf18("2","9","4","2","6","4","1") = "8"
    & skf18("2","9","4","2","6","5","1") = "8"
    & skf18("2","9","4","2","6","6","1") = "8"
    & skf18("2","9","4","2","6","7","1") = "8"
    & skf18("2","9","4","2","6","8","1") = "8"
    & skf18("2","9","4","2","6","9","1") = "8"
    & skf18("2","9","4","2","6","10","1") = "9"
    & skf18("2","9","4","2","7","1","1") = "8"
    & skf18("2","9","4","2","7","2","1") = "8"
    & skf18("2","9","4","2","7","3","1") = "8"
    & skf18("2","9","4","2","7","4","1") = "8"
    & skf18("2","9","4","2","7","5","1") = "8"
    & skf18("2","9","4","2","7","6","1") = "8"
    & skf18("2","9","4","2","7","7","1") = "8"
    & skf18("2","9","4","2","7","8","1") = "8"
    & skf18("2","9","4","2","7","9","1") = "8"
    & skf18("2","9","4","2","7","10","1") = "9"
    & skf18("2","9","4","2","8","1","1") = "8"
    & skf18("2","9","4","2","8","2","1") = "8"
    & skf18("2","9","4","2","8","3","1") = "8"
    & skf18("2","9","4","2","8","4","1") = "8"
    & skf18("2","9","4","2","8","5","1") = "8"
    & skf18("2","9","4","2","8","6","1") = "8"
    & skf18("2","9","4","2","8","7","1") = "8"
    & skf18("2","9","4","2","8","8","1") = "8"
    & skf18("2","9","4","2","8","9","1") = "8"
    & skf18("2","9","4","2","8","10","1") = "9"
    & skf18("2","9","4","2","9","1","1") = "8"
    & skf18("2","9","4","2","9","2","1") = "8"
    & skf18("2","9","4","2","9","3","1") = "8"
    & skf18("2","9","4","2","9","4","1") = "8"
    & skf18("2","9","4","2","9","5","1") = "8"
    & skf18("2","9","4","2","9","6","1") = "8"
    & skf18("2","9","4","2","9","7","1") = "8"
    & skf18("2","9","4","2","9","8","1") = "8"
    & skf18("2","9","4","2","9","9","1") = "8"
    & skf18("2","9","4","2","9","10","1") = "9"
    & skf18("2","9","4","2","10","1","1") = "9"
    & skf18("2","9","4","2","10","2","1") = "9"
    & skf18("2","9","4","2","10","3","1") = "9"
    & skf18("2","9","4","2","10","4","1") = "9"
    & skf18("2","9","4","2","10","5","1") = "9"
    & skf18("2","9","4","2","10","6","1") = "9"
    & skf18("2","9","4","2","10","7","1") = "9"
    & skf18("2","9","4","2","10","8","1") = "9"
    & skf18("2","9","4","2","10","9","1") = "9"
    & skf18("2","9","4","2","10","10","1") = "9"
    & skf18("2","9","4","3","1","1","1") = "8"
    & skf18("2","9","4","3","1","2","1") = "8"
    & skf18("2","9","4","3","1","3","1") = "8"
    & skf18("2","9","4","3","1","4","1") = "8"
    & skf18("2","9","4","3","1","5","1") = "8"
    & skf18("2","9","4","3","1","6","1") = "8"
    & skf18("2","9","4","3","1","7","1") = "8"
    & skf18("2","9","4","3","1","8","1") = "8"
    & skf18("2","9","4","3","1","9","1") = "8"
    & skf18("2","9","4","3","1","10","1") = "9"
    & skf18("2","9","4","3","2","1","1") = "8"
    & skf18("2","9","4","3","2","2","1") = "8"
    & skf18("2","9","4","3","2","3","1") = "8"
    & skf18("2","9","4","3","2","4","1") = "8"
    & skf18("2","9","4","3","2","5","1") = "8"
    & skf18("2","9","4","3","2","6","1") = "8"
    & skf18("2","9","4","3","2","7","1") = "8"
    & skf18("2","9","4","3","2","8","1") = "8"
    & skf18("2","9","4","3","2","9","1") = "8"
    & skf18("2","9","4","3","2","10","1") = "9"
    & skf18("2","9","4","3","3","1","1") = "8"
    & skf18("2","9","4","3","3","2","1") = "8"
    & skf18("2","9","4","3","3","3","1") = "8"
    & skf18("2","9","4","3","3","4","1") = "8"
    & skf18("2","9","4","3","3","5","1") = "8"
    & skf18("2","9","4","3","3","6","1") = "8"
    & skf18("2","9","4","3","3","7","1") = "8"
    & skf18("2","9","4","3","3","8","1") = "8"
    & skf18("2","9","4","3","3","9","1") = "8"
    & skf18("2","9","4","3","3","10","1") = "9"
    & skf18("2","9","4","3","4","1","1") = "8"
    & skf18("2","9","4","3","4","2","1") = "8"
    & skf18("2","9","4","3","4","3","1") = "8"
    & skf18("2","9","4","3","4","4","1") = "8"
    & skf18("2","9","4","3","4","5","1") = "8"
    & skf18("2","9","4","3","4","6","1") = "8"
    & skf18("2","9","4","3","4","7","1") = "8"
    & skf18("2","9","4","3","4","8","1") = "8"
    & skf18("2","9","4","3","4","9","1") = "8"
    & skf18("2","9","4","3","4","10","1") = "9"
    & skf18("2","9","4","3","5","1","1") = "8"
    & skf18("2","9","4","3","5","2","1") = "8"
    & skf18("2","9","4","3","5","3","1") = "8"
    & skf18("2","9","4","3","5","4","1") = "8"
    & skf18("2","9","4","3","5","5","1") = "8"
    & skf18("2","9","4","3","5","6","1") = "8"
    & skf18("2","9","4","3","5","7","1") = "8"
    & skf18("2","9","4","3","5","8","1") = "8"
    & skf18("2","9","4","3","5","9","1") = "8"
    & skf18("2","9","4","3","5","10","1") = "9"
    & skf18("2","9","4","3","6","1","1") = "8"
    & skf18("2","9","4","3","6","2","1") = "8"
    & skf18("2","9","4","3","6","3","1") = "8"
    & skf18("2","9","4","3","6","4","1") = "8"
    & skf18("2","9","4","3","6","5","1") = "8"
    & skf18("2","9","4","3","6","6","1") = "8"
    & skf18("2","9","4","3","6","7","1") = "8"
    & skf18("2","9","4","3","6","8","1") = "8"
    & skf18("2","9","4","3","6","9","1") = "8"
    & skf18("2","9","4","3","6","10","1") = "9"
    & skf18("2","9","4","3","7","1","1") = "8"
    & skf18("2","9","4","3","7","2","1") = "8"
    & skf18("2","9","4","3","7","3","1") = "8"
    & skf18("2","9","4","3","7","4","1") = "8"
    & skf18("2","9","4","3","7","5","1") = "8"
    & skf18("2","9","4","3","7","6","1") = "8"
    & skf18("2","9","4","3","7","7","1") = "8"
    & skf18("2","9","4","3","7","8","1") = "8"
    & skf18("2","9","4","3","7","9","1") = "8"
    & skf18("2","9","4","3","7","10","1") = "9"
    & skf18("2","9","4","3","8","1","1") = "8"
    & skf18("2","9","4","3","8","2","1") = "8"
    & skf18("2","9","4","3","8","3","1") = "8"
    & skf18("2","9","4","3","8","4","1") = "8"
    & skf18("2","9","4","3","8","5","1") = "8"
    & skf18("2","9","4","3","8","6","1") = "8"
    & skf18("2","9","4","3","8","7","1") = "8"
    & skf18("2","9","4","3","8","8","1") = "8"
    & skf18("2","9","4","3","8","9","1") = "8"
    & skf18("2","9","4","3","8","10","1") = "9"
    & skf18("2","9","4","3","9","1","1") = "8"
    & skf18("2","9","4","3","9","2","1") = "8"
    & skf18("2","9","4","3","9","3","1") = "8"
    & skf18("2","9","4","3","9","4","1") = "8"
    & skf18("2","9","4","3","9","5","1") = "8"
    & skf18("2","9","4","3","9","6","1") = "8"
    & skf18("2","9","4","3","9","7","1") = "8"
    & skf18("2","9","4","3","9","8","1") = "8"
    & skf18("2","9","4","3","9","9","1") = "8"
    & skf18("2","9","4","3","9","10","1") = "9"
    & skf18("2","9","4","3","10","1","1") = "9"
    & skf18("2","9","4","3","10","2","1") = "9"
    & skf18("2","9","4","3","10","3","1") = "9"
    & skf18("2","9","4","3","10","4","1") = "9"
    & skf18("2","9","4","3","10","5","1") = "9"
    & skf18("2","9","4","3","10","6","1") = "9"
    & skf18("2","9","4","3","10","7","1") = "9"
    & skf18("2","9","4","3","10","8","1") = "9"
    & skf18("2","9","4","3","10","9","1") = "9"
    & skf18("2","9","4","3","10","10","1") = "9"
    & skf18("2","9","4","4","1","1","1") = "8"
    & skf18("2","9","4","4","1","2","1") = "8"
    & skf18("2","9","4","4","1","3","1") = "8"
    & skf18("2","9","4","4","1","4","1") = "8"
    & skf18("2","9","4","4","1","5","1") = "8"
    & skf18("2","9","4","4","1","6","1") = "8"
    & skf18("2","9","4","4","1","7","1") = "8"
    & skf18("2","9","4","4","1","8","1") = "8"
    & skf18("2","9","4","4","1","9","1") = "8"
    & skf18("2","9","4","4","1","10","1") = "9"
    & skf18("2","9","4","4","2","1","1") = "8"
    & skf18("2","9","4","4","2","2","1") = "8"
    & skf18("2","9","4","4","2","3","1") = "8"
    & skf18("2","9","4","4","2","4","1") = "8"
    & skf18("2","9","4","4","2","5","1") = "8"
    & skf18("2","9","4","4","2","6","1") = "8"
    & skf18("2","9","4","4","2","7","1") = "8"
    & skf18("2","9","4","4","2","8","1") = "8"
    & skf18("2","9","4","4","2","9","1") = "8"
    & skf18("2","9","4","4","2","10","1") = "9"
    & skf18("2","9","4","4","3","1","1") = "8"
    & skf18("2","9","4","4","3","2","1") = "8"
    & skf18("2","9","4","4","3","3","1") = "8"
    & skf18("2","9","4","4","3","4","1") = "8"
    & skf18("2","9","4","4","3","5","1") = "8"
    & skf18("2","9","4","4","3","6","1") = "8"
    & skf18("2","9","4","4","3","7","1") = "8"
    & skf18("2","9","4","4","3","8","1") = "8"
    & skf18("2","9","4","4","3","9","1") = "8"
    & skf18("2","9","4","4","3","10","1") = "9"
    & skf18("2","9","4","4","4","1","1") = "8"
    & skf18("2","9","4","4","4","2","1") = "8"
    & skf18("2","9","4","4","4","3","1") = "8"
    & skf18("2","9","4","4","4","4","1") = "8"
    & skf18("2","9","4","4","4","5","1") = "8"
    & skf18("2","9","4","4","4","6","1") = "8"
    & skf18("2","9","4","4","4","7","1") = "8"
    & skf18("2","9","4","4","4","8","1") = "8"
    & skf18("2","9","4","4","4","9","1") = "8"
    & skf18("2","9","4","4","4","10","1") = "9"
    & skf18("2","9","4","4","5","1","1") = "8"
    & skf18("2","9","4","4","5","2","1") = "8"
    & skf18("2","9","4","4","5","3","1") = "8"
    & skf18("2","9","4","4","5","4","1") = "8"
    & skf18("2","9","4","4","5","5","1") = "8"
    & skf18("2","9","4","4","5","6","1") = "8"
    & skf18("2","9","4","4","5","7","1") = "8"
    & skf18("2","9","4","4","5","8","1") = "8"
    & skf18("2","9","4","4","5","9","1") = "8"
    & skf18("2","9","4","4","5","10","1") = "9"
    & skf18("2","9","4","4","6","1","1") = "8"
    & skf18("2","9","4","4","6","2","1") = "8"
    & skf18("2","9","4","4","6","3","1") = "8"
    & skf18("2","9","4","4","6","4","1") = "8"
    & skf18("2","9","4","4","6","5","1") = "8"
    & skf18("2","9","4","4","6","6","1") = "8"
    & skf18("2","9","4","4","6","7","1") = "8"
    & skf18("2","9","4","4","6","8","1") = "8"
    & skf18("2","9","4","4","6","9","1") = "8"
    & skf18("2","9","4","4","6","10","1") = "9"
    & skf18("2","9","4","4","7","1","1") = "8"
    & skf18("2","9","4","4","7","2","1") = "8"
    & skf18("2","9","4","4","7","3","1") = "8"
    & skf18("2","9","4","4","7","4","1") = "8"
    & skf18("2","9","4","4","7","5","1") = "8"
    & skf18("2","9","4","4","7","6","1") = "8"
    & skf18("2","9","4","4","7","7","1") = "8"
    & skf18("2","9","4","4","7","8","1") = "8"
    & skf18("2","9","4","4","7","9","1") = "8"
    & skf18("2","9","4","4","7","10","1") = "9"
    & skf18("2","9","4","4","8","1","1") = "8"
    & skf18("2","9","4","4","8","2","1") = "8"
    & skf18("2","9","4","4","8","3","1") = "8"
    & skf18("2","9","4","4","8","4","1") = "8"
    & skf18("2","9","4","4","8","5","1") = "8"
    & skf18("2","9","4","4","8","6","1") = "8"
    & skf18("2","9","4","4","8","7","1") = "8"
    & skf18("2","9","4","4","8","8","1") = "8"
    & skf18("2","9","4","4","8","9","1") = "8"
    & skf18("2","9","4","4","8","10","1") = "9"
    & skf18("2","9","4","4","9","1","1") = "8"
    & skf18("2","9","4","4","9","2","1") = "8"
    & skf18("2","9","4","4","9","3","1") = "8"
    & skf18("2","9","4","4","9","4","1") = "8"
    & skf18("2","9","4","4","9","5","1") = "8"
    & skf18("2","9","4","4","9","6","1") = "8"
    & skf18("2","9","4","4","9","7","1") = "8"
    & skf18("2","9","4","4","9","8","1") = "8"
    & skf18("2","9","4","4","9","9","1") = "8"
    & skf18("2","9","4","4","9","10","1") = "9"
    & skf18("2","9","4","4","10","1","1") = "9"
    & skf18("2","9","4","4","10","2","1") = "9"
    & skf18("2","9","4","4","10","3","1") = "9"
    & skf18("2","9","4","4","10","4","1") = "9"
    & skf18("2","9","4","4","10","5","1") = "9"
    & skf18("2","9","4","4","10","6","1") = "9"
    & skf18("2","9","4","4","10","7","1") = "9"
    & skf18("2","9","4","4","10","8","1") = "9"
    & skf18("2","9","4","4","10","9","1") = "9"
    & skf18("2","9","4","4","10","10","1") = "9"
    & skf18("2","9","4","5","1","1","1") = "8"
    & skf18("2","9","4","5","1","2","1") = "8"
    & skf18("2","9","4","5","1","3","1") = "8"
    & skf18("2","9","4","5","1","4","1") = "8"
    & skf18("2","9","4","5","1","5","1") = "8"
    & skf18("2","9","4","5","1","6","1") = "8"
    & skf18("2","9","4","5","1","7","1") = "8"
    & skf18("2","9","4","5","1","8","1") = "8"
    & skf18("2","9","4","5","1","9","1") = "8"
    & skf18("2","9","4","5","1","10","1") = "9"
    & skf18("2","9","4","5","2","1","1") = "8"
    & skf18("2","9","4","5","2","2","1") = "8"
    & skf18("2","9","4","5","2","3","1") = "8"
    & skf18("2","9","4","5","2","4","1") = "8"
    & skf18("2","9","4","5","2","5","1") = "8"
    & skf18("2","9","4","5","2","6","1") = "8"
    & skf18("2","9","4","5","2","7","1") = "8"
    & skf18("2","9","4","5","2","8","1") = "8"
    & skf18("2","9","4","5","2","9","1") = "8"
    & skf18("2","9","4","5","2","10","1") = "9"
    & skf18("2","9","4","5","3","1","1") = "8"
    & skf18("2","9","4","5","3","2","1") = "8"
    & skf18("2","9","4","5","3","3","1") = "8"
    & skf18("2","9","4","5","3","4","1") = "8"
    & skf18("2","9","4","5","3","5","1") = "8"
    & skf18("2","9","4","5","3","6","1") = "8"
    & skf18("2","9","4","5","3","7","1") = "8"
    & skf18("2","9","4","5","3","8","1") = "8"
    & skf18("2","9","4","5","3","9","1") = "8"
    & skf18("2","9","4","5","3","10","1") = "9"
    & skf18("2","9","4","5","4","1","1") = "8"
    & skf18("2","9","4","5","4","2","1") = "8"
    & skf18("2","9","4","5","4","3","1") = "8"
    & skf18("2","9","4","5","4","4","1") = "8"
    & skf18("2","9","4","5","4","5","1") = "8"
    & skf18("2","9","4","5","4","6","1") = "8"
    & skf18("2","9","4","5","4","7","1") = "8"
    & skf18("2","9","4","5","4","8","1") = "8"
    & skf18("2","9","4","5","4","9","1") = "8"
    & skf18("2","9","4","5","4","10","1") = "9"
    & skf18("2","9","4","5","5","1","1") = "8"
    & skf18("2","9","4","5","5","2","1") = "8"
    & skf18("2","9","4","5","5","3","1") = "8"
    & skf18("2","9","4","5","5","4","1") = "8"
    & skf18("2","9","4","5","5","5","1") = "8"
    & skf18("2","9","4","5","5","6","1") = "8"
    & skf18("2","9","4","5","5","7","1") = "8"
    & skf18("2","9","4","5","5","8","1") = "8"
    & skf18("2","9","4","5","5","9","1") = "8"
    & skf18("2","9","4","5","5","10","1") = "9"
    & skf18("2","9","4","5","6","1","1") = "8"
    & skf18("2","9","4","5","6","2","1") = "8"
    & skf18("2","9","4","5","6","3","1") = "8"
    & skf18("2","9","4","5","6","4","1") = "8"
    & skf18("2","9","4","5","6","5","1") = "8"
    & skf18("2","9","4","5","6","6","1") = "8"
    & skf18("2","9","4","5","6","7","1") = "8"
    & skf18("2","9","4","5","6","8","1") = "8"
    & skf18("2","9","4","5","6","9","1") = "8"
    & skf18("2","9","4","5","6","10","1") = "9"
    & skf18("2","9","4","5","7","1","1") = "8"
    & skf18("2","9","4","5","7","2","1") = "8"
    & skf18("2","9","4","5","7","3","1") = "8"
    & skf18("2","9","4","5","7","4","1") = "8"
    & skf18("2","9","4","5","7","5","1") = "8"
    & skf18("2","9","4","5","7","6","1") = "8"
    & skf18("2","9","4","5","7","7","1") = "8"
    & skf18("2","9","4","5","7","8","1") = "8"
    & skf18("2","9","4","5","7","9","1") = "8"
    & skf18("2","9","4","5","7","10","1") = "9"
    & skf18("2","9","4","5","8","1","1") = "8"
    & skf18("2","9","4","5","8","2","1") = "8"
    & skf18("2","9","4","5","8","3","1") = "8"
    & skf18("2","9","4","5","8","4","1") = "8"
    & skf18("2","9","4","5","8","5","1") = "8"
    & skf18("2","9","4","5","8","6","1") = "8"
    & skf18("2","9","4","5","8","7","1") = "8"
    & skf18("2","9","4","5","8","8","1") = "8"
    & skf18("2","9","4","5","8","9","1") = "8"
    & skf18("2","9","4","5","8","10","1") = "9"
    & skf18("2","9","4","5","9","1","1") = "8"
    & skf18("2","9","4","5","9","2","1") = "8"
    & skf18("2","9","4","5","9","3","1") = "8"
    & skf18("2","9","4","5","9","4","1") = "8"
    & skf18("2","9","4","5","9","5","1") = "8"
    & skf18("2","9","4","5","9","6","1") = "8"
    & skf18("2","9","4","5","9","7","1") = "8"
    & skf18("2","9","4","5","9","8","1") = "8"
    & skf18("2","9","4","5","9","9","1") = "8"
    & skf18("2","9","4","5","9","10","1") = "9"
    & skf18("2","9","4","5","10","1","1") = "9"
    & skf18("2","9","4","5","10","2","1") = "9"
    & skf18("2","9","4","5","10","3","1") = "9"
    & skf18("2","9","4","5","10","4","1") = "9"
    & skf18("2","9","4","5","10","5","1") = "9"
    & skf18("2","9","4","5","10","6","1") = "9"
    & skf18("2","9","4","5","10","7","1") = "9"
    & skf18("2","9","4","5","10","8","1") = "9"
    & skf18("2","9","4","5","10","9","1") = "9"
    & skf18("2","9","4","5","10","10","1") = "9"
    & skf18("2","9","4","6","1","1","1") = "8"
    & skf18("2","9","4","6","1","2","1") = "8"
    & skf18("2","9","4","6","1","3","1") = "8"
    & skf18("2","9","4","6","1","4","1") = "8"
    & skf18("2","9","4","6","1","5","1") = "8"
    & skf18("2","9","4","6","1","6","1") = "8"
    & skf18("2","9","4","6","1","7","1") = "8"
    & skf18("2","9","4","6","1","8","1") = "8"
    & skf18("2","9","4","6","1","9","1") = "8"
    & skf18("2","9","4","6","1","10","1") = "9"
    & skf18("2","9","4","6","2","1","1") = "8"
    & skf18("2","9","4","6","2","2","1") = "8"
    & skf18("2","9","4","6","2","3","1") = "8"
    & skf18("2","9","4","6","2","4","1") = "8"
    & skf18("2","9","4","6","2","5","1") = "8"
    & skf18("2","9","4","6","2","6","1") = "8"
    & skf18("2","9","4","6","2","7","1") = "8"
    & skf18("2","9","4","6","2","8","1") = "8"
    & skf18("2","9","4","6","2","9","1") = "8"
    & skf18("2","9","4","6","2","10","1") = "9"
    & skf18("2","9","4","6","3","1","1") = "8"
    & skf18("2","9","4","6","3","2","1") = "8"
    & skf18("2","9","4","6","3","3","1") = "8"
    & skf18("2","9","4","6","3","4","1") = "8"
    & skf18("2","9","4","6","3","5","1") = "8"
    & skf18("2","9","4","6","3","6","1") = "8"
    & skf18("2","9","4","6","3","7","1") = "8"
    & skf18("2","9","4","6","3","8","1") = "8"
    & skf18("2","9","4","6","3","9","1") = "8"
    & skf18("2","9","4","6","3","10","1") = "9"
    & skf18("2","9","4","6","4","1","1") = "8"
    & skf18("2","9","4","6","4","2","1") = "8"
    & skf18("2","9","4","6","4","3","1") = "8"
    & skf18("2","9","4","6","4","4","1") = "8"
    & skf18("2","9","4","6","4","5","1") = "8"
    & skf18("2","9","4","6","4","6","1") = "8"
    & skf18("2","9","4","6","4","7","1") = "8"
    & skf18("2","9","4","6","4","8","1") = "8"
    & skf18("2","9","4","6","4","9","1") = "8"
    & skf18("2","9","4","6","4","10","1") = "9"
    & skf18("2","9","4","6","5","1","1") = "8"
    & skf18("2","9","4","6","5","2","1") = "8"
    & skf18("2","9","4","6","5","3","1") = "8"
    & skf18("2","9","4","6","5","4","1") = "8"
    & skf18("2","9","4","6","5","5","1") = "8"
    & skf18("2","9","4","6","5","6","1") = "8"
    & skf18("2","9","4","6","5","7","1") = "8"
    & skf18("2","9","4","6","5","8","1") = "8"
    & skf18("2","9","4","6","5","9","1") = "8"
    & skf18("2","9","4","6","5","10","1") = "9"
    & skf18("2","9","4","6","6","1","1") = "8"
    & skf18("2","9","4","6","6","2","1") = "8"
    & skf18("2","9","4","6","6","3","1") = "8"
    & skf18("2","9","4","6","6","4","1") = "8"
    & skf18("2","9","4","6","6","5","1") = "8"
    & skf18("2","9","4","6","6","6","1") = "8"
    & skf18("2","9","4","6","6","7","1") = "8"
    & skf18("2","9","4","6","6","8","1") = "8"
    & skf18("2","9","4","6","6","9","1") = "8"
    & skf18("2","9","4","6","6","10","1") = "9"
    & skf18("2","9","4","6","7","1","1") = "8"
    & skf18("2","9","4","6","7","2","1") = "8"
    & skf18("2","9","4","6","7","3","1") = "8"
    & skf18("2","9","4","6","7","4","1") = "8"
    & skf18("2","9","4","6","7","5","1") = "8"
    & skf18("2","9","4","6","7","6","1") = "8"
    & skf18("2","9","4","6","7","7","1") = "8"
    & skf18("2","9","4","6","7","8","1") = "8"
    & skf18("2","9","4","6","7","9","1") = "8"
    & skf18("2","9","4","6","7","10","1") = "9"
    & skf18("2","9","4","6","8","1","1") = "8"
    & skf18("2","9","4","6","8","2","1") = "8"
    & skf18("2","9","4","6","8","3","1") = "8"
    & skf18("2","9","4","6","8","4","1") = "8"
    & skf18("2","9","4","6","8","5","1") = "8"
    & skf18("2","9","4","6","8","6","1") = "8"
    & skf18("2","9","4","6","8","7","1") = "8"
    & skf18("2","9","4","6","8","8","1") = "8"
    & skf18("2","9","4","6","8","9","1") = "8"
    & skf18("2","9","4","6","8","10","1") = "9"
    & skf18("2","9","4","6","9","1","1") = "8"
    & skf18("2","9","4","6","9","2","1") = "8"
    & skf18("2","9","4","6","9","3","1") = "8"
    & skf18("2","9","4","6","9","4","1") = "8"
    & skf18("2","9","4","6","9","5","1") = "8"
    & skf18("2","9","4","6","9","6","1") = "8"
    & skf18("2","9","4","6","9","7","1") = "8"
    & skf18("2","9","4","6","9","8","1") = "8"
    & skf18("2","9","4","6","9","9","1") = "8"
    & skf18("2","9","4","6","9","10","1") = "9"
    & skf18("2","9","4","6","10","1","1") = "9"
    & skf18("2","9","4","6","10","2","1") = "9"
    & skf18("2","9","4","6","10","3","1") = "9"
    & skf18("2","9","4","6","10","4","1") = "9"
    & skf18("2","9","4","6","10","5","1") = "9"
    & skf18("2","9","4","6","10","6","1") = "9"
    & skf18("2","9","4","6","10","7","1") = "9"
    & skf18("2","9","4","6","10","8","1") = "9"
    & skf18("2","9","4","6","10","9","1") = "9"
    & skf18("2","9","4","6","10","10","1") = "9"
    & skf18("2","9","4","7","1","1","1") = "8"
    & skf18("2","9","4","7","1","2","1") = "8"
    & skf18("2","9","4","7","1","3","1") = "8"
    & skf18("2","9","4","7","1","4","1") = "8"
    & skf18("2","9","4","7","1","5","1") = "8"
    & skf18("2","9","4","7","1","6","1") = "8"
    & skf18("2","9","4","7","1","7","1") = "8"
    & skf18("2","9","4","7","1","8","1") = "8"
    & skf18("2","9","4","7","1","9","1") = "8"
    & skf18("2","9","4","7","1","10","1") = "9"
    & skf18("2","9","4","7","2","1","1") = "8"
    & skf18("2","9","4","7","2","2","1") = "8"
    & skf18("2","9","4","7","2","3","1") = "8"
    & skf18("2","9","4","7","2","4","1") = "8"
    & skf18("2","9","4","7","2","5","1") = "8"
    & skf18("2","9","4","7","2","6","1") = "8"
    & skf18("2","9","4","7","2","7","1") = "8"
    & skf18("2","9","4","7","2","8","1") = "8"
    & skf18("2","9","4","7","2","9","1") = "8"
    & skf18("2","9","4","7","2","10","1") = "9"
    & skf18("2","9","4","7","3","1","1") = "8"
    & skf18("2","9","4","7","3","2","1") = "8"
    & skf18("2","9","4","7","3","3","1") = "8"
    & skf18("2","9","4","7","3","4","1") = "8"
    & skf18("2","9","4","7","3","5","1") = "8"
    & skf18("2","9","4","7","3","6","1") = "8"
    & skf18("2","9","4","7","3","7","1") = "8"
    & skf18("2","9","4","7","3","8","1") = "8"
    & skf18("2","9","4","7","3","9","1") = "8"
    & skf18("2","9","4","7","3","10","1") = "9"
    & skf18("2","9","4","7","4","1","1") = "8"
    & skf18("2","9","4","7","4","2","1") = "8"
    & skf18("2","9","4","7","4","3","1") = "8"
    & skf18("2","9","4","7","4","4","1") = "8"
    & skf18("2","9","4","7","4","5","1") = "8"
    & skf18("2","9","4","7","4","6","1") = "8"
    & skf18("2","9","4","7","4","7","1") = "8"
    & skf18("2","9","4","7","4","8","1") = "8"
    & skf18("2","9","4","7","4","9","1") = "8"
    & skf18("2","9","4","7","4","10","1") = "9"
    & skf18("2","9","4","7","5","1","1") = "8"
    & skf18("2","9","4","7","5","2","1") = "8"
    & skf18("2","9","4","7","5","3","1") = "8"
    & skf18("2","9","4","7","5","4","1") = "8"
    & skf18("2","9","4","7","5","5","1") = "8"
    & skf18("2","9","4","7","5","6","1") = "8"
    & skf18("2","9","4","7","5","7","1") = "8"
    & skf18("2","9","4","7","5","8","1") = "8"
    & skf18("2","9","4","7","5","9","1") = "8"
    & skf18("2","9","4","7","5","10","1") = "9"
    & skf18("2","9","4","7","6","1","1") = "8"
    & skf18("2","9","4","7","6","2","1") = "8"
    & skf18("2","9","4","7","6","3","1") = "8"
    & skf18("2","9","4","7","6","4","1") = "8"
    & skf18("2","9","4","7","6","5","1") = "8"
    & skf18("2","9","4","7","6","6","1") = "8"
    & skf18("2","9","4","7","6","7","1") = "8"
    & skf18("2","9","4","7","6","8","1") = "8"
    & skf18("2","9","4","7","6","9","1") = "8"
    & skf18("2","9","4","7","6","10","1") = "9"
    & skf18("2","9","4","7","7","1","1") = "8"
    & skf18("2","9","4","7","7","2","1") = "8"
    & skf18("2","9","4","7","7","3","1") = "8"
    & skf18("2","9","4","7","7","4","1") = "8"
    & skf18("2","9","4","7","7","5","1") = "8"
    & skf18("2","9","4","7","7","6","1") = "8"
    & skf18("2","9","4","7","7","7","1") = "8"
    & skf18("2","9","4","7","7","8","1") = "8"
    & skf18("2","9","4","7","7","9","1") = "8"
    & skf18("2","9","4","7","7","10","1") = "9"
    & skf18("2","9","4","7","8","1","1") = "8"
    & skf18("2","9","4","7","8","2","1") = "8"
    & skf18("2","9","4","7","8","3","1") = "8"
    & skf18("2","9","4","7","8","4","1") = "8"
    & skf18("2","9","4","7","8","5","1") = "8"
    & skf18("2","9","4","7","8","6","1") = "8"
    & skf18("2","9","4","7","8","7","1") = "8"
    & skf18("2","9","4","7","8","8","1") = "8"
    & skf18("2","9","4","7","8","9","1") = "8"
    & skf18("2","9","4","7","8","10","1") = "9"
    & skf18("2","9","4","7","9","1","1") = "8"
    & skf18("2","9","4","7","9","2","1") = "8"
    & skf18("2","9","4","7","9","3","1") = "8"
    & skf18("2","9","4","7","9","4","1") = "8"
    & skf18("2","9","4","7","9","5","1") = "8"
    & skf18("2","9","4","7","9","6","1") = "8"
    & skf18("2","9","4","7","9","7","1") = "8"
    & skf18("2","9","4","7","9","8","1") = "8"
    & skf18("2","9","4","7","9","9","1") = "8"
    & skf18("2","9","4","7","9","10","1") = "9"
    & skf18("2","9","4","7","10","1","1") = "9"
    & skf18("2","9","4","7","10","2","1") = "9"
    & skf18("2","9","4","7","10","3","1") = "9"
    & skf18("2","9","4","7","10","4","1") = "9"
    & skf18("2","9","4","7","10","5","1") = "9"
    & skf18("2","9","4","7","10","6","1") = "9"
    & skf18("2","9","4","7","10","7","1") = "9"
    & skf18("2","9","4","7","10","8","1") = "9"
    & skf18("2","9","4","7","10","9","1") = "9"
    & skf18("2","9","4","7","10","10","1") = "9"
    & skf18("2","9","4","8","1","1","1") = "8"
    & skf18("2","9","4","8","1","2","1") = "8"
    & skf18("2","9","4","8","1","3","1") = "8"
    & skf18("2","9","4","8","1","4","1") = "8"
    & skf18("2","9","4","8","1","5","1") = "8"
    & skf18("2","9","4","8","1","6","1") = "8"
    & skf18("2","9","4","8","1","7","1") = "8"
    & skf18("2","9","4","8","1","8","1") = "8"
    & skf18("2","9","4","8","1","9","1") = "8"
    & skf18("2","9","4","8","1","10","1") = "9"
    & skf18("2","9","4","8","2","1","1") = "8"
    & skf18("2","9","4","8","2","2","1") = "8"
    & skf18("2","9","4","8","2","3","1") = "8"
    & skf18("2","9","4","8","2","4","1") = "8"
    & skf18("2","9","4","8","2","5","1") = "8"
    & skf18("2","9","4","8","2","6","1") = "8"
    & skf18("2","9","4","8","2","7","1") = "8"
    & skf18("2","9","4","8","2","8","1") = "8"
    & skf18("2","9","4","8","2","9","1") = "8"
    & skf18("2","9","4","8","2","10","1") = "9"
    & skf18("2","9","4","8","3","1","1") = "8"
    & skf18("2","9","4","8","3","2","1") = "8"
    & skf18("2","9","4","8","3","3","1") = "8"
    & skf18("2","9","4","8","3","4","1") = "8"
    & skf18("2","9","4","8","3","5","1") = "8"
    & skf18("2","9","4","8","3","6","1") = "8"
    & skf18("2","9","4","8","3","7","1") = "8"
    & skf18("2","9","4","8","3","8","1") = "8"
    & skf18("2","9","4","8","3","9","1") = "8"
    & skf18("2","9","4","8","3","10","1") = "9"
    & skf18("2","9","4","8","4","1","1") = "8"
    & skf18("2","9","4","8","4","2","1") = "8"
    & skf18("2","9","4","8","4","3","1") = "8"
    & skf18("2","9","4","8","4","4","1") = "8"
    & skf18("2","9","4","8","4","5","1") = "8"
    & skf18("2","9","4","8","4","6","1") = "8"
    & skf18("2","9","4","8","4","7","1") = "8"
    & skf18("2","9","4","8","4","8","1") = "8"
    & skf18("2","9","4","8","4","9","1") = "8"
    & skf18("2","9","4","8","4","10","1") = "9"
    & skf18("2","9","4","8","5","1","1") = "8"
    & skf18("2","9","4","8","5","2","1") = "8"
    & skf18("2","9","4","8","5","3","1") = "8"
    & skf18("2","9","4","8","5","4","1") = "8"
    & skf18("2","9","4","8","5","5","1") = "8"
    & skf18("2","9","4","8","5","6","1") = "8"
    & skf18("2","9","4","8","5","7","1") = "8"
    & skf18("2","9","4","8","5","8","1") = "8"
    & skf18("2","9","4","8","5","9","1") = "8"
    & skf18("2","9","4","8","5","10","1") = "9"
    & skf18("2","9","4","8","6","1","1") = "8"
    & skf18("2","9","4","8","6","2","1") = "8"
    & skf18("2","9","4","8","6","3","1") = "8"
    & skf18("2","9","4","8","6","4","1") = "8"
    & skf18("2","9","4","8","6","5","1") = "8"
    & skf18("2","9","4","8","6","6","1") = "8"
    & skf18("2","9","4","8","6","7","1") = "8"
    & skf18("2","9","4","8","6","8","1") = "8"
    & skf18("2","9","4","8","6","9","1") = "8"
    & skf18("2","9","4","8","6","10","1") = "9"
    & skf18("2","9","4","8","7","1","1") = "8"
    & skf18("2","9","4","8","7","2","1") = "8"
    & skf18("2","9","4","8","7","3","1") = "8"
    & skf18("2","9","4","8","7","4","1") = "8"
    & skf18("2","9","4","8","7","5","1") = "8"
    & skf18("2","9","4","8","7","6","1") = "8"
    & skf18("2","9","4","8","7","7","1") = "8"
    & skf18("2","9","4","8","7","8","1") = "8"
    & skf18("2","9","4","8","7","9","1") = "8"
    & skf18("2","9","4","8","7","10","1") = "9"
    & skf18("2","9","4","8","8","1","1") = "8"
    & skf18("2","9","4","8","8","2","1") = "8"
    & skf18("2","9","4","8","8","3","1") = "8"
    & skf18("2","9","4","8","8","4","1") = "8"
    & skf18("2","9","4","8","8","5","1") = "8"
    & skf18("2","9","4","8","8","6","1") = "8"
    & skf18("2","9","4","8","8","7","1") = "8"
    & skf18("2","9","4","8","8","8","1") = "8"
    & skf18("2","9","4","8","8","9","1") = "8"
    & skf18("2","9","4","8","8","10","1") = "9"
    & skf18("2","9","4","8","9","1","1") = "8"
    & skf18("2","9","4","8","9","2","1") = "8"
    & skf18("2","9","4","8","9","3","1") = "8"
    & skf18("2","9","4","8","9","4","1") = "8"
    & skf18("2","9","4","8","9","5","1") = "8"
    & skf18("2","9","4","8","9","6","1") = "8"
    & skf18("2","9","4","8","9","7","1") = "8"
    & skf18("2","9","4","8","9","8","1") = "8"
    & skf18("2","9","4","8","9","9","1") = "8"
    & skf18("2","9","4","8","9","10","1") = "9"
    & skf18("2","9","4","8","10","1","1") = "9"
    & skf18("2","9","4","8","10","2","1") = "9"
    & skf18("2","9","4","8","10","3","1") = "9"
    & skf18("2","9","4","8","10","4","1") = "9"
    & skf18("2","9","4","8","10","5","1") = "9"
    & skf18("2","9","4","8","10","6","1") = "9"
    & skf18("2","9","4","8","10","7","1") = "9"
    & skf18("2","9","4","8","10","8","1") = "9"
    & skf18("2","9","4","8","10","9","1") = "9"
    & skf18("2","9","4","8","10","10","1") = "9"
    & skf18("2","9","4","9","1","1","1") = "8"
    & skf18("2","9","4","9","1","2","1") = "8"
    & skf18("2","9","4","9","1","3","1") = "8"
    & skf18("2","9","4","9","1","4","1") = "8"
    & skf18("2","9","4","9","1","5","1") = "8"
    & skf18("2","9","4","9","1","6","1") = "8"
    & skf18("2","9","4","9","1","7","1") = "8"
    & skf18("2","9","4","9","1","8","1") = "8"
    & skf18("2","9","4","9","1","9","1") = "8"
    & skf18("2","9","4","9","1","10","1") = "9"
    & skf18("2","9","4","9","2","1","1") = "8"
    & skf18("2","9","4","9","2","2","1") = "8"
    & skf18("2","9","4","9","2","3","1") = "8"
    & skf18("2","9","4","9","2","4","1") = "8"
    & skf18("2","9","4","9","2","5","1") = "8"
    & skf18("2","9","4","9","2","6","1") = "8"
    & skf18("2","9","4","9","2","7","1") = "8"
    & skf18("2","9","4","9","2","8","1") = "8"
    & skf18("2","9","4","9","2","9","1") = "8"
    & skf18("2","9","4","9","2","10","1") = "9"
    & skf18("2","9","4","9","3","1","1") = "8"
    & skf18("2","9","4","9","3","2","1") = "8"
    & skf18("2","9","4","9","3","3","1") = "8"
    & skf18("2","9","4","9","3","4","1") = "8"
    & skf18("2","9","4","9","3","5","1") = "8"
    & skf18("2","9","4","9","3","6","1") = "8"
    & skf18("2","9","4","9","3","7","1") = "8"
    & skf18("2","9","4","9","3","8","1") = "8"
    & skf18("2","9","4","9","3","9","1") = "8"
    & skf18("2","9","4","9","3","10","1") = "9"
    & skf18("2","9","4","9","4","1","1") = "8"
    & skf18("2","9","4","9","4","2","1") = "8"
    & skf18("2","9","4","9","4","3","1") = "8"
    & skf18("2","9","4","9","4","4","1") = "8"
    & skf18("2","9","4","9","4","5","1") = "8"
    & skf18("2","9","4","9","4","6","1") = "8"
    & skf18("2","9","4","9","4","7","1") = "8"
    & skf18("2","9","4","9","4","8","1") = "8"
    & skf18("2","9","4","9","4","9","1") = "8"
    & skf18("2","9","4","9","4","10","1") = "9"
    & skf18("2","9","4","9","5","1","1") = "8"
    & skf18("2","9","4","9","5","2","1") = "8"
    & skf18("2","9","4","9","5","3","1") = "8"
    & skf18("2","9","4","9","5","4","1") = "8"
    & skf18("2","9","4","9","5","5","1") = "8"
    & skf18("2","9","4","9","5","6","1") = "8"
    & skf18("2","9","4","9","5","7","1") = "8"
    & skf18("2","9","4","9","5","8","1") = "8"
    & skf18("2","9","4","9","5","9","1") = "8"
    & skf18("2","9","4","9","5","10","1") = "9"
    & skf18("2","9","4","9","6","1","1") = "8"
    & skf18("2","9","4","9","6","2","1") = "8"
    & skf18("2","9","4","9","6","3","1") = "8"
    & skf18("2","9","4","9","6","4","1") = "8"
    & skf18("2","9","4","9","6","5","1") = "8"
    & skf18("2","9","4","9","6","6","1") = "8"
    & skf18("2","9","4","9","6","7","1") = "8"
    & skf18("2","9","4","9","6","8","1") = "8"
    & skf18("2","9","4","9","6","9","1") = "8"
    & skf18("2","9","4","9","6","10","1") = "9"
    & skf18("2","9","4","9","7","1","1") = "8"
    & skf18("2","9","4","9","7","2","1") = "8"
    & skf18("2","9","4","9","7","3","1") = "8"
    & skf18("2","9","4","9","7","4","1") = "8"
    & skf18("2","9","4","9","7","5","1") = "8"
    & skf18("2","9","4","9","7","6","1") = "8"
    & skf18("2","9","4","9","7","7","1") = "8"
    & skf18("2","9","4","9","7","8","1") = "8"
    & skf18("2","9","4","9","7","9","1") = "8"
    & skf18("2","9","4","9","7","10","1") = "9"
    & skf18("2","9","4","9","8","1","1") = "8"
    & skf18("2","9","4","9","8","2","1") = "8"
    & skf18("2","9","4","9","8","3","1") = "8"
    & skf18("2","9","4","9","8","4","1") = "8"
    & skf18("2","9","4","9","8","5","1") = "8"
    & skf18("2","9","4","9","8","6","1") = "8"
    & skf18("2","9","4","9","8","7","1") = "8"
    & skf18("2","9","4","9","8","8","1") = "8"
    & skf18("2","9","4","9","8","9","1") = "8"
    & skf18("2","9","4","9","8","10","1") = "9"
    & skf18("2","9","4","9","9","1","1") = "8"
    & skf18("2","9","4","9","9","2","1") = "8"
    & skf18("2","9","4","9","9","3","1") = "8"
    & skf18("2","9","4","9","9","4","1") = "8"
    & skf18("2","9","4","9","9","5","1") = "8"
    & skf18("2","9","4","9","9","6","1") = "8"
    & skf18("2","9","4","9","9","7","1") = "8"
    & skf18("2","9","4","9","9","8","1") = "8"
    & skf18("2","9","4","9","9","9","1") = "8"
    & skf18("2","9","4","9","9","10","1") = "9"
    & skf18("2","9","4","9","10","1","1") = "9"
    & skf18("2","9","4","9","10","2","1") = "9"
    & skf18("2","9","4","9","10","3","1") = "9"
    & skf18("2","9","4","9","10","4","1") = "9"
    & skf18("2","9","4","9","10","5","1") = "9"
    & skf18("2","9","4","9","10","6","1") = "9"
    & skf18("2","9","4","9","10","7","1") = "9"
    & skf18("2","9","4","9","10","8","1") = "9"
    & skf18("2","9","4","9","10","9","1") = "9"
    & skf18("2","9","4","9","10","10","1") = "9"
    & skf18("2","9","4","10","1","1","1") = "9"
    & skf18("2","9","4","10","1","2","1") = "9"
    & skf18("2","9","4","10","1","3","1") = "9"
    & skf18("2","9","4","10","1","4","1") = "9"
    & skf18("2","9","4","10","1","5","1") = "9"
    & skf18("2","9","4","10","1","6","1") = "9"
    & skf18("2","9","4","10","1","7","1") = "9"
    & skf18("2","9","4","10","1","8","1") = "9"
    & skf18("2","9","4","10","1","9","1") = "9"
    & skf18("2","9","4","10","1","10","1") = "9"
    & skf18("2","9","4","10","2","1","1") = "9"
    & skf18("2","9","4","10","2","2","1") = "9"
    & skf18("2","9","4","10","2","3","1") = "9"
    & skf18("2","9","4","10","2","4","1") = "9"
    & skf18("2","9","4","10","2","5","1") = "9"
    & skf18("2","9","4","10","2","6","1") = "9"
    & skf18("2","9","4","10","2","7","1") = "9"
    & skf18("2","9","4","10","2","8","1") = "9"
    & skf18("2","9","4","10","2","9","1") = "9"
    & skf18("2","9","4","10","2","10","1") = "9"
    & skf18("2","9","4","10","3","1","1") = "9"
    & skf18("2","9","4","10","3","2","1") = "9"
    & skf18("2","9","4","10","3","3","1") = "9"
    & skf18("2","9","4","10","3","4","1") = "9"
    & skf18("2","9","4","10","3","5","1") = "9"
    & skf18("2","9","4","10","3","6","1") = "9"
    & skf18("2","9","4","10","3","7","1") = "9"
    & skf18("2","9","4","10","3","8","1") = "9"
    & skf18("2","9","4","10","3","9","1") = "9"
    & skf18("2","9","4","10","3","10","1") = "9"
    & skf18("2","9","4","10","4","1","1") = "9"
    & skf18("2","9","4","10","4","2","1") = "9"
    & skf18("2","9","4","10","4","3","1") = "9"
    & skf18("2","9","4","10","4","4","1") = "9"
    & skf18("2","9","4","10","4","5","1") = "9"
    & skf18("2","9","4","10","4","6","1") = "9"
    & skf18("2","9","4","10","4","7","1") = "9"
    & skf18("2","9","4","10","4","8","1") = "9"
    & skf18("2","9","4","10","4","9","1") = "9"
    & skf18("2","9","4","10","4","10","1") = "9"
    & skf18("2","9","4","10","5","1","1") = "9"
    & skf18("2","9","4","10","5","2","1") = "9"
    & skf18("2","9","4","10","5","3","1") = "9"
    & skf18("2","9","4","10","5","4","1") = "9"
    & skf18("2","9","4","10","5","5","1") = "9"
    & skf18("2","9","4","10","5","6","1") = "9"
    & skf18("2","9","4","10","5","7","1") = "9"
    & skf18("2","9","4","10","5","8","1") = "9"
    & skf18("2","9","4","10","5","9","1") = "9"
    & skf18("2","9","4","10","5","10","1") = "9"
    & skf18("2","9","4","10","6","1","1") = "9"
    & skf18("2","9","4","10","6","2","1") = "9"
    & skf18("2","9","4","10","6","3","1") = "9"
    & skf18("2","9","4","10","6","4","1") = "9"
    & skf18("2","9","4","10","6","5","1") = "9"
    & skf18("2","9","4","10","6","6","1") = "9"
    & skf18("2","9","4","10","6","7","1") = "9"
    & skf18("2","9","4","10","6","8","1") = "9"
    & skf18("2","9","4","10","6","9","1") = "9"
    & skf18("2","9","4","10","6","10","1") = "9"
    & skf18("2","9","4","10","7","1","1") = "9"
    & skf18("2","9","4","10","7","2","1") = "9"
    & skf18("2","9","4","10","7","3","1") = "9"
    & skf18("2","9","4","10","7","4","1") = "9"
    & skf18("2","9","4","10","7","5","1") = "9"
    & skf18("2","9","4","10","7","6","1") = "9"
    & skf18("2","9","4","10","7","7","1") = "9"
    & skf18("2","9","4","10","7","8","1") = "9"
    & skf18("2","9","4","10","7","9","1") = "9"
    & skf18("2","9","4","10","7","10","1") = "9"
    & skf18("2","9","4","10","8","1","1") = "9"
    & skf18("2","9","4","10","8","2","1") = "9"
    & skf18("2","9","4","10","8","3","1") = "9"
    & skf18("2","9","4","10","8","4","1") = "9"
    & skf18("2","9","4","10","8","5","1") = "9"
    & skf18("2","9","4","10","8","6","1") = "9"
    & skf18("2","9","4","10","8","7","1") = "9"
    & skf18("2","9","4","10","8","8","1") = "9"
    & skf18("2","9","4","10","8","9","1") = "9"
    & skf18("2","9","4","10","8","10","1") = "9"
    & skf18("2","9","4","10","9","1","1") = "9"
    & skf18("2","9","4","10","9","2","1") = "9"
    & skf18("2","9","4","10","9","3","1") = "9"
    & skf18("2","9","4","10","9","4","1") = "9"
    & skf18("2","9","4","10","9","5","1") = "9"
    & skf18("2","9","4","10","9","6","1") = "9"
    & skf18("2","9","4","10","9","7","1") = "9"
    & skf18("2","9","4","10","9","8","1") = "9"
    & skf18("2","9","4","10","9","9","1") = "9"
    & skf18("2","9","4","10","9","10","1") = "9"
    & skf18("2","9","4","10","10","1","1") = "9"
    & skf18("2","9","4","10","10","2","1") = "9"
    & skf18("2","9","4","10","10","3","1") = "9"
    & skf18("2","9","4","10","10","4","1") = "9"
    & skf18("2","9","4","10","10","5","1") = "9"
    & skf18("2","9","4","10","10","6","1") = "9"
    & skf18("2","9","4","10","10","7","1") = "9"
    & skf18("2","9","4","10","10","8","1") = "9"
    & skf18("2","9","4","10","10","9","1") = "9"
    & skf18("2","9","4","10","10","10","1") = "9"
    & skf18("2","9","5","1","1","1","1") = "8"
    & skf18("2","9","5","1","1","2","1") = "8"
    & skf18("2","9","5","1","1","3","1") = "8"
    & skf18("2","9","5","1","1","4","1") = "8"
    & skf18("2","9","5","1","1","5","1") = "8"
    & skf18("2","9","5","1","1","6","1") = "8"
    & skf18("2","9","5","1","1","7","1") = "8"
    & skf18("2","9","5","1","1","8","1") = "8"
    & skf18("2","9","5","1","1","9","1") = "8"
    & skf18("2","9","5","1","1","10","1") = "9"
    & skf18("2","9","5","1","2","1","1") = "8"
    & skf18("2","9","5","1","2","2","1") = "8"
    & skf18("2","9","5","1","2","3","1") = "8"
    & skf18("2","9","5","1","2","4","1") = "8"
    & skf18("2","9","5","1","2","5","1") = "8"
    & skf18("2","9","5","1","2","6","1") = "8"
    & skf18("2","9","5","1","2","7","1") = "8"
    & skf18("2","9","5","1","2","8","1") = "8"
    & skf18("2","9","5","1","2","9","1") = "8"
    & skf18("2","9","5","1","2","10","1") = "9"
    & skf18("2","9","5","1","3","1","1") = "8"
    & skf18("2","9","5","1","3","2","1") = "8"
    & skf18("2","9","5","1","3","3","1") = "8"
    & skf18("2","9","5","1","3","4","1") = "8"
    & skf18("2","9","5","1","3","5","1") = "8"
    & skf18("2","9","5","1","3","6","1") = "8"
    & skf18("2","9","5","1","3","7","1") = "8"
    & skf18("2","9","5","1","3","8","1") = "8"
    & skf18("2","9","5","1","3","9","1") = "8"
    & skf18("2","9","5","1","3","10","1") = "9"
    & skf18("2","9","5","1","4","1","1") = "8"
    & skf18("2","9","5","1","4","2","1") = "8"
    & skf18("2","9","5","1","4","3","1") = "8"
    & skf18("2","9","5","1","4","4","1") = "8"
    & skf18("2","9","5","1","4","5","1") = "8"
    & skf18("2","9","5","1","4","6","1") = "8"
    & skf18("2","9","5","1","4","7","1") = "8"
    & skf18("2","9","5","1","4","8","1") = "8"
    & skf18("2","9","5","1","4","9","1") = "8"
    & skf18("2","9","5","1","4","10","1") = "9"
    & skf18("2","9","5","1","5","1","1") = "8"
    & skf18("2","9","5","1","5","2","1") = "8"
    & skf18("2","9","5","1","5","3","1") = "8"
    & skf18("2","9","5","1","5","4","1") = "8"
    & skf18("2","9","5","1","5","5","1") = "8"
    & skf18("2","9","5","1","5","6","1") = "8"
    & skf18("2","9","5","1","5","7","1") = "8"
    & skf18("2","9","5","1","5","8","1") = "8"
    & skf18("2","9","5","1","5","9","1") = "8"
    & skf18("2","9","5","1","5","10","1") = "9"
    & skf18("2","9","5","1","6","1","1") = "8"
    & skf18("2","9","5","1","6","2","1") = "8"
    & skf18("2","9","5","1","6","3","1") = "8"
    & skf18("2","9","5","1","6","4","1") = "8"
    & skf18("2","9","5","1","6","5","1") = "8"
    & skf18("2","9","5","1","6","6","1") = "8"
    & skf18("2","9","5","1","6","7","1") = "8"
    & skf18("2","9","5","1","6","8","1") = "8"
    & skf18("2","9","5","1","6","9","1") = "8"
    & skf18("2","9","5","1","6","10","1") = "9"
    & skf18("2","9","5","1","7","1","1") = "8"
    & skf18("2","9","5","1","7","2","1") = "8"
    & skf18("2","9","5","1","7","3","1") = "8"
    & skf18("2","9","5","1","7","4","1") = "8"
    & skf18("2","9","5","1","7","5","1") = "8"
    & skf18("2","9","5","1","7","6","1") = "8"
    & skf18("2","9","5","1","7","7","1") = "8"
    & skf18("2","9","5","1","7","8","1") = "8"
    & skf18("2","9","5","1","7","9","1") = "8"
    & skf18("2","9","5","1","7","10","1") = "9"
    & skf18("2","9","5","1","8","1","1") = "8"
    & skf18("2","9","5","1","8","2","1") = "8"
    & skf18("2","9","5","1","8","3","1") = "8"
    & skf18("2","9","5","1","8","4","1") = "8"
    & skf18("2","9","5","1","8","5","1") = "8"
    & skf18("2","9","5","1","8","6","1") = "8"
    & skf18("2","9","5","1","8","7","1") = "8"
    & skf18("2","9","5","1","8","8","1") = "8"
    & skf18("2","9","5","1","8","9","1") = "8"
    & skf18("2","9","5","1","8","10","1") = "9"
    & skf18("2","9","5","1","9","1","1") = "8"
    & skf18("2","9","5","1","9","2","1") = "8"
    & skf18("2","9","5","1","9","3","1") = "8"
    & skf18("2","9","5","1","9","4","1") = "8"
    & skf18("2","9","5","1","9","5","1") = "8"
    & skf18("2","9","5","1","9","6","1") = "8"
    & skf18("2","9","5","1","9","7","1") = "8"
    & skf18("2","9","5","1","9","8","1") = "8"
    & skf18("2","9","5","1","9","9","1") = "8"
    & skf18("2","9","5","1","9","10","1") = "9"
    & skf18("2","9","5","1","10","1","1") = "9"
    & skf18("2","9","5","1","10","2","1") = "9"
    & skf18("2","9","5","1","10","3","1") = "9"
    & skf18("2","9","5","1","10","4","1") = "9"
    & skf18("2","9","5","1","10","5","1") = "9"
    & skf18("2","9","5","1","10","6","1") = "9"
    & skf18("2","9","5","1","10","7","1") = "9"
    & skf18("2","9","5","1","10","8","1") = "9"
    & skf18("2","9","5","1","10","9","1") = "9"
    & skf18("2","9","5","1","10","10","1") = "9"
    & skf18("2","9","5","2","1","1","1") = "8"
    & skf18("2","9","5","2","1","2","1") = "8"
    & skf18("2","9","5","2","1","3","1") = "8"
    & skf18("2","9","5","2","1","4","1") = "8"
    & skf18("2","9","5","2","1","5","1") = "8"
    & skf18("2","9","5","2","1","6","1") = "8"
    & skf18("2","9","5","2","1","7","1") = "8"
    & skf18("2","9","5","2","1","8","1") = "8"
    & skf18("2","9","5","2","1","9","1") = "8"
    & skf18("2","9","5","2","1","10","1") = "9"
    & skf18("2","9","5","2","2","1","1") = "8"
    & skf18("2","9","5","2","2","2","1") = "8"
    & skf18("2","9","5","2","2","3","1") = "8"
    & skf18("2","9","5","2","2","4","1") = "8"
    & skf18("2","9","5","2","2","5","1") = "8"
    & skf18("2","9","5","2","2","6","1") = "8"
    & skf18("2","9","5","2","2","7","1") = "8"
    & skf18("2","9","5","2","2","8","1") = "8"
    & skf18("2","9","5","2","2","9","1") = "8"
    & skf18("2","9","5","2","2","10","1") = "9"
    & skf18("2","9","5","2","3","1","1") = "8"
    & skf18("2","9","5","2","3","2","1") = "8"
    & skf18("2","9","5","2","3","3","1") = "8"
    & skf18("2","9","5","2","3","4","1") = "8"
    & skf18("2","9","5","2","3","5","1") = "8"
    & skf18("2","9","5","2","3","6","1") = "8"
    & skf18("2","9","5","2","3","7","1") = "8"
    & skf18("2","9","5","2","3","8","1") = "8"
    & skf18("2","9","5","2","3","9","1") = "8"
    & skf18("2","9","5","2","3","10","1") = "9"
    & skf18("2","9","5","2","4","1","1") = "8"
    & skf18("2","9","5","2","4","2","1") = "8"
    & skf18("2","9","5","2","4","3","1") = "8"
    & skf18("2","9","5","2","4","4","1") = "8"
    & skf18("2","9","5","2","4","5","1") = "8"
    & skf18("2","9","5","2","4","6","1") = "8"
    & skf18("2","9","5","2","4","7","1") = "8"
    & skf18("2","9","5","2","4","8","1") = "8"
    & skf18("2","9","5","2","4","9","1") = "8"
    & skf18("2","9","5","2","4","10","1") = "9"
    & skf18("2","9","5","2","5","1","1") = "8"
    & skf18("2","9","5","2","5","2","1") = "8"
    & skf18("2","9","5","2","5","3","1") = "8"
    & skf18("2","9","5","2","5","4","1") = "8"
    & skf18("2","9","5","2","5","5","1") = "8"
    & skf18("2","9","5","2","5","6","1") = "8"
    & skf18("2","9","5","2","5","7","1") = "8"
    & skf18("2","9","5","2","5","8","1") = "8"
    & skf18("2","9","5","2","5","9","1") = "8"
    & skf18("2","9","5","2","5","10","1") = "9"
    & skf18("2","9","5","2","6","1","1") = "8"
    & skf18("2","9","5","2","6","2","1") = "8"
    & skf18("2","9","5","2","6","3","1") = "8"
    & skf18("2","9","5","2","6","4","1") = "8"
    & skf18("2","9","5","2","6","5","1") = "8"
    & skf18("2","9","5","2","6","6","1") = "8"
    & skf18("2","9","5","2","6","7","1") = "8"
    & skf18("2","9","5","2","6","8","1") = "8"
    & skf18("2","9","5","2","6","9","1") = "8"
    & skf18("2","9","5","2","6","10","1") = "9"
    & skf18("2","9","5","2","7","1","1") = "8"
    & skf18("2","9","5","2","7","2","1") = "8"
    & skf18("2","9","5","2","7","3","1") = "8"
    & skf18("2","9","5","2","7","4","1") = "8"
    & skf18("2","9","5","2","7","5","1") = "8"
    & skf18("2","9","5","2","7","6","1") = "8"
    & skf18("2","9","5","2","7","7","1") = "8"
    & skf18("2","9","5","2","7","8","1") = "8"
    & skf18("2","9","5","2","7","9","1") = "8"
    & skf18("2","9","5","2","7","10","1") = "9"
    & skf18("2","9","5","2","8","1","1") = "8"
    & skf18("2","9","5","2","8","2","1") = "8"
    & skf18("2","9","5","2","8","3","1") = "8"
    & skf18("2","9","5","2","8","4","1") = "8"
    & skf18("2","9","5","2","8","5","1") = "8"
    & skf18("2","9","5","2","8","6","1") = "8"
    & skf18("2","9","5","2","8","7","1") = "8"
    & skf18("2","9","5","2","8","8","1") = "8"
    & skf18("2","9","5","2","8","9","1") = "8"
    & skf18("2","9","5","2","8","10","1") = "9"
    & skf18("2","9","5","2","9","1","1") = "8"
    & skf18("2","9","5","2","9","2","1") = "8"
    & skf18("2","9","5","2","9","3","1") = "8"
    & skf18("2","9","5","2","9","4","1") = "8"
    & skf18("2","9","5","2","9","5","1") = "8"
    & skf18("2","9","5","2","9","6","1") = "8"
    & skf18("2","9","5","2","9","7","1") = "8"
    & skf18("2","9","5","2","9","8","1") = "8"
    & skf18("2","9","5","2","9","9","1") = "8"
    & skf18("2","9","5","2","9","10","1") = "9"
    & skf18("2","9","5","2","10","1","1") = "9"
    & skf18("2","9","5","2","10","2","1") = "9"
    & skf18("2","9","5","2","10","3","1") = "9"
    & skf18("2","9","5","2","10","4","1") = "9"
    & skf18("2","9","5","2","10","5","1") = "9"
    & skf18("2","9","5","2","10","6","1") = "9"
    & skf18("2","9","5","2","10","7","1") = "9"
    & skf18("2","9","5","2","10","8","1") = "9"
    & skf18("2","9","5","2","10","9","1") = "9"
    & skf18("2","9","5","2","10","10","1") = "9"
    & skf18("2","9","5","3","1","1","1") = "8"
    & skf18("2","9","5","3","1","2","1") = "8"
    & skf18("2","9","5","3","1","3","1") = "8"
    & skf18("2","9","5","3","1","4","1") = "8"
    & skf18("2","9","5","3","1","5","1") = "8"
    & skf18("2","9","5","3","1","6","1") = "8"
    & skf18("2","9","5","3","1","7","1") = "8"
    & skf18("2","9","5","3","1","8","1") = "8"
    & skf18("2","9","5","3","1","9","1") = "8"
    & skf18("2","9","5","3","1","10","1") = "9"
    & skf18("2","9","5","3","2","1","1") = "8"
    & skf18("2","9","5","3","2","2","1") = "8"
    & skf18("2","9","5","3","2","3","1") = "8"
    & skf18("2","9","5","3","2","4","1") = "8"
    & skf18("2","9","5","3","2","5","1") = "8"
    & skf18("2","9","5","3","2","6","1") = "8"
    & skf18("2","9","5","3","2","7","1") = "8"
    & skf18("2","9","5","3","2","8","1") = "8"
    & skf18("2","9","5","3","2","9","1") = "8"
    & skf18("2","9","5","3","2","10","1") = "9"
    & skf18("2","9","5","3","3","1","1") = "8"
    & skf18("2","9","5","3","3","2","1") = "8"
    & skf18("2","9","5","3","3","3","1") = "8"
    & skf18("2","9","5","3","3","4","1") = "8"
    & skf18("2","9","5","3","3","5","1") = "8"
    & skf18("2","9","5","3","3","6","1") = "8"
    & skf18("2","9","5","3","3","7","1") = "8"
    & skf18("2","9","5","3","3","8","1") = "8"
    & skf18("2","9","5","3","3","9","1") = "8"
    & skf18("2","9","5","3","3","10","1") = "9"
    & skf18("2","9","5","3","4","1","1") = "8"
    & skf18("2","9","5","3","4","2","1") = "8"
    & skf18("2","9","5","3","4","3","1") = "8"
    & skf18("2","9","5","3","4","4","1") = "8"
    & skf18("2","9","5","3","4","5","1") = "8"
    & skf18("2","9","5","3","4","6","1") = "8"
    & skf18("2","9","5","3","4","7","1") = "8"
    & skf18("2","9","5","3","4","8","1") = "8"
    & skf18("2","9","5","3","4","9","1") = "8"
    & skf18("2","9","5","3","4","10","1") = "9"
    & skf18("2","9","5","3","5","1","1") = "8"
    & skf18("2","9","5","3","5","2","1") = "8"
    & skf18("2","9","5","3","5","3","1") = "8"
    & skf18("2","9","5","3","5","4","1") = "8"
    & skf18("2","9","5","3","5","5","1") = "8"
    & skf18("2","9","5","3","5","6","1") = "8"
    & skf18("2","9","5","3","5","7","1") = "8"
    & skf18("2","9","5","3","5","8","1") = "8"
    & skf18("2","9","5","3","5","9","1") = "8"
    & skf18("2","9","5","3","5","10","1") = "9"
    & skf18("2","9","5","3","6","1","1") = "8"
    & skf18("2","9","5","3","6","2","1") = "8"
    & skf18("2","9","5","3","6","3","1") = "8"
    & skf18("2","9","5","3","6","4","1") = "8"
    & skf18("2","9","5","3","6","5","1") = "8"
    & skf18("2","9","5","3","6","6","1") = "8"
    & skf18("2","9","5","3","6","7","1") = "8"
    & skf18("2","9","5","3","6","8","1") = "8"
    & skf18("2","9","5","3","6","9","1") = "8"
    & skf18("2","9","5","3","6","10","1") = "9"
    & skf18("2","9","5","3","7","1","1") = "8"
    & skf18("2","9","5","3","7","2","1") = "8"
    & skf18("2","9","5","3","7","3","1") = "8"
    & skf18("2","9","5","3","7","4","1") = "8"
    & skf18("2","9","5","3","7","5","1") = "8"
    & skf18("2","9","5","3","7","6","1") = "8"
    & skf18("2","9","5","3","7","7","1") = "8"
    & skf18("2","9","5","3","7","8","1") = "8"
    & skf18("2","9","5","3","7","9","1") = "8"
    & skf18("2","9","5","3","7","10","1") = "9"
    & skf18("2","9","5","3","8","1","1") = "8"
    & skf18("2","9","5","3","8","2","1") = "8"
    & skf18("2","9","5","3","8","3","1") = "8"
    & skf18("2","9","5","3","8","4","1") = "8"
    & skf18("2","9","5","3","8","5","1") = "8"
    & skf18("2","9","5","3","8","6","1") = "8"
    & skf18("2","9","5","3","8","7","1") = "8"
    & skf18("2","9","5","3","8","8","1") = "8"
    & skf18("2","9","5","3","8","9","1") = "8"
    & skf18("2","9","5","3","8","10","1") = "9"
    & skf18("2","9","5","3","9","1","1") = "8"
    & skf18("2","9","5","3","9","2","1") = "8"
    & skf18("2","9","5","3","9","3","1") = "8"
    & skf18("2","9","5","3","9","4","1") = "8"
    & skf18("2","9","5","3","9","5","1") = "8"
    & skf18("2","9","5","3","9","6","1") = "8"
    & skf18("2","9","5","3","9","7","1") = "8"
    & skf18("2","9","5","3","9","8","1") = "8"
    & skf18("2","9","5","3","9","9","1") = "8"
    & skf18("2","9","5","3","9","10","1") = "9"
    & skf18("2","9","5","3","10","1","1") = "9"
    & skf18("2","9","5","3","10","2","1") = "9"
    & skf18("2","9","5","3","10","3","1") = "9"
    & skf18("2","9","5","3","10","4","1") = "9"
    & skf18("2","9","5","3","10","5","1") = "9"
    & skf18("2","9","5","3","10","6","1") = "9"
    & skf18("2","9","5","3","10","7","1") = "9"
    & skf18("2","9","5","3","10","8","1") = "9"
    & skf18("2","9","5","3","10","9","1") = "9"
    & skf18("2","9","5","3","10","10","1") = "9"
    & skf18("2","9","5","4","1","1","1") = "8"
    & skf18("2","9","5","4","1","2","1") = "8"
    & skf18("2","9","5","4","1","3","1") = "8"
    & skf18("2","9","5","4","1","4","1") = "8"
    & skf18("2","9","5","4","1","5","1") = "8"
    & skf18("2","9","5","4","1","6","1") = "8"
    & skf18("2","9","5","4","1","7","1") = "8"
    & skf18("2","9","5","4","1","8","1") = "8"
    & skf18("2","9","5","4","1","9","1") = "8"
    & skf18("2","9","5","4","1","10","1") = "9"
    & skf18("2","9","5","4","2","1","1") = "8"
    & skf18("2","9","5","4","2","2","1") = "8"
    & skf18("2","9","5","4","2","3","1") = "8"
    & skf18("2","9","5","4","2","4","1") = "8"
    & skf18("2","9","5","4","2","5","1") = "8"
    & skf18("2","9","5","4","2","6","1") = "8"
    & skf18("2","9","5","4","2","7","1") = "8"
    & skf18("2","9","5","4","2","8","1") = "8"
    & skf18("2","9","5","4","2","9","1") = "8"
    & skf18("2","9","5","4","2","10","1") = "9"
    & skf18("2","9","5","4","3","1","1") = "8"
    & skf18("2","9","5","4","3","2","1") = "8"
    & skf18("2","9","5","4","3","3","1") = "8"
    & skf18("2","9","5","4","3","4","1") = "8"
    & skf18("2","9","5","4","3","5","1") = "8"
    & skf18("2","9","5","4","3","6","1") = "8"
    & skf18("2","9","5","4","3","7","1") = "8"
    & skf18("2","9","5","4","3","8","1") = "8"
    & skf18("2","9","5","4","3","9","1") = "8"
    & skf18("2","9","5","4","3","10","1") = "9"
    & skf18("2","9","5","4","4","1","1") = "8"
    & skf18("2","9","5","4","4","2","1") = "8"
    & skf18("2","9","5","4","4","3","1") = "8"
    & skf18("2","9","5","4","4","4","1") = "8"
    & skf18("2","9","5","4","4","5","1") = "8"
    & skf18("2","9","5","4","4","6","1") = "8"
    & skf18("2","9","5","4","4","7","1") = "8"
    & skf18("2","9","5","4","4","8","1") = "8"
    & skf18("2","9","5","4","4","9","1") = "8"
    & skf18("2","9","5","4","4","10","1") = "9"
    & skf18("2","9","5","4","5","1","1") = "8"
    & skf18("2","9","5","4","5","2","1") = "8"
    & skf18("2","9","5","4","5","3","1") = "8"
    & skf18("2","9","5","4","5","4","1") = "8"
    & skf18("2","9","5","4","5","5","1") = "8"
    & skf18("2","9","5","4","5","6","1") = "8"
    & skf18("2","9","5","4","5","7","1") = "8"
    & skf18("2","9","5","4","5","8","1") = "8"
    & skf18("2","9","5","4","5","9","1") = "8"
    & skf18("2","9","5","4","5","10","1") = "9"
    & skf18("2","9","5","4","6","1","1") = "8"
    & skf18("2","9","5","4","6","2","1") = "8"
    & skf18("2","9","5","4","6","3","1") = "8"
    & skf18("2","9","5","4","6","4","1") = "8"
    & skf18("2","9","5","4","6","5","1") = "8"
    & skf18("2","9","5","4","6","6","1") = "8"
    & skf18("2","9","5","4","6","7","1") = "8"
    & skf18("2","9","5","4","6","8","1") = "8"
    & skf18("2","9","5","4","6","9","1") = "8"
    & skf18("2","9","5","4","6","10","1") = "9"
    & skf18("2","9","5","4","7","1","1") = "8"
    & skf18("2","9","5","4","7","2","1") = "8"
    & skf18("2","9","5","4","7","3","1") = "8"
    & skf18("2","9","5","4","7","4","1") = "8"
    & skf18("2","9","5","4","7","5","1") = "8"
    & skf18("2","9","5","4","7","6","1") = "8"
    & skf18("2","9","5","4","7","7","1") = "8"
    & skf18("2","9","5","4","7","8","1") = "8"
    & skf18("2","9","5","4","7","9","1") = "8"
    & skf18("2","9","5","4","7","10","1") = "9"
    & skf18("2","9","5","4","8","1","1") = "8"
    & skf18("2","9","5","4","8","2","1") = "8"
    & skf18("2","9","5","4","8","3","1") = "8"
    & skf18("2","9","5","4","8","4","1") = "8"
    & skf18("2","9","5","4","8","5","1") = "8"
    & skf18("2","9","5","4","8","6","1") = "8"
    & skf18("2","9","5","4","8","7","1") = "8"
    & skf18("2","9","5","4","8","8","1") = "8"
    & skf18("2","9","5","4","8","9","1") = "8"
    & skf18("2","9","5","4","8","10","1") = "9"
    & skf18("2","9","5","4","9","1","1") = "8"
    & skf18("2","9","5","4","9","2","1") = "8"
    & skf18("2","9","5","4","9","3","1") = "8"
    & skf18("2","9","5","4","9","4","1") = "8"
    & skf18("2","9","5","4","9","5","1") = "8"
    & skf18("2","9","5","4","9","6","1") = "8"
    & skf18("2","9","5","4","9","7","1") = "8"
    & skf18("2","9","5","4","9","8","1") = "8"
    & skf18("2","9","5","4","9","9","1") = "8"
    & skf18("2","9","5","4","9","10","1") = "9"
    & skf18("2","9","5","4","10","1","1") = "9"
    & skf18("2","9","5","4","10","2","1") = "9"
    & skf18("2","9","5","4","10","3","1") = "9"
    & skf18("2","9","5","4","10","4","1") = "9"
    & skf18("2","9","5","4","10","5","1") = "9"
    & skf18("2","9","5","4","10","6","1") = "9"
    & skf18("2","9","5","4","10","7","1") = "9"
    & skf18("2","9","5","4","10","8","1") = "9"
    & skf18("2","9","5","4","10","9","1") = "9"
    & skf18("2","9","5","4","10","10","1") = "9"
    & skf18("2","9","5","5","1","1","1") = "8"
    & skf18("2","9","5","5","1","2","1") = "8"
    & skf18("2","9","5","5","1","3","1") = "8"
    & skf18("2","9","5","5","1","4","1") = "8"
    & skf18("2","9","5","5","1","5","1") = "8"
    & skf18("2","9","5","5","1","6","1") = "8"
    & skf18("2","9","5","5","1","7","1") = "8"
    & skf18("2","9","5","5","1","8","1") = "8"
    & skf18("2","9","5","5","1","9","1") = "8"
    & skf18("2","9","5","5","1","10","1") = "9"
    & skf18("2","9","5","5","2","1","1") = "8"
    & skf18("2","9","5","5","2","2","1") = "8"
    & skf18("2","9","5","5","2","3","1") = "8"
    & skf18("2","9","5","5","2","4","1") = "8"
    & skf18("2","9","5","5","2","5","1") = "8"
    & skf18("2","9","5","5","2","6","1") = "8"
    & skf18("2","9","5","5","2","7","1") = "8"
    & skf18("2","9","5","5","2","8","1") = "8"
    & skf18("2","9","5","5","2","9","1") = "8"
    & skf18("2","9","5","5","2","10","1") = "9"
    & skf18("2","9","5","5","3","1","1") = "8"
    & skf18("2","9","5","5","3","2","1") = "8"
    & skf18("2","9","5","5","3","3","1") = "8"
    & skf18("2","9","5","5","3","4","1") = "8"
    & skf18("2","9","5","5","3","5","1") = "8"
    & skf18("2","9","5","5","3","6","1") = "8"
    & skf18("2","9","5","5","3","7","1") = "8"
    & skf18("2","9","5","5","3","8","1") = "8"
    & skf18("2","9","5","5","3","9","1") = "8"
    & skf18("2","9","5","5","3","10","1") = "9"
    & skf18("2","9","5","5","4","1","1") = "8"
    & skf18("2","9","5","5","4","2","1") = "8"
    & skf18("2","9","5","5","4","3","1") = "8"
    & skf18("2","9","5","5","4","4","1") = "8"
    & skf18("2","9","5","5","4","5","1") = "8"
    & skf18("2","9","5","5","4","6","1") = "8"
    & skf18("2","9","5","5","4","7","1") = "8"
    & skf18("2","9","5","5","4","8","1") = "8"
    & skf18("2","9","5","5","4","9","1") = "8"
    & skf18("2","9","5","5","4","10","1") = "9"
    & skf18("2","9","5","5","5","1","1") = "8"
    & skf18("2","9","5","5","5","2","1") = "8"
    & skf18("2","9","5","5","5","3","1") = "8"
    & skf18("2","9","5","5","5","4","1") = "8"
    & skf18("2","9","5","5","5","5","1") = "8"
    & skf18("2","9","5","5","5","6","1") = "8"
    & skf18("2","9","5","5","5","7","1") = "8"
    & skf18("2","9","5","5","5","8","1") = "8"
    & skf18("2","9","5","5","5","9","1") = "8"
    & skf18("2","9","5","5","5","10","1") = "9"
    & skf18("2","9","5","5","6","1","1") = "8"
    & skf18("2","9","5","5","6","2","1") = "8"
    & skf18("2","9","5","5","6","3","1") = "8"
    & skf18("2","9","5","5","6","4","1") = "8"
    & skf18("2","9","5","5","6","5","1") = "8"
    & skf18("2","9","5","5","6","6","1") = "8"
    & skf18("2","9","5","5","6","7","1") = "8"
    & skf18("2","9","5","5","6","8","1") = "8"
    & skf18("2","9","5","5","6","9","1") = "8"
    & skf18("2","9","5","5","6","10","1") = "9"
    & skf18("2","9","5","5","7","1","1") = "8"
    & skf18("2","9","5","5","7","2","1") = "8"
    & skf18("2","9","5","5","7","3","1") = "8"
    & skf18("2","9","5","5","7","4","1") = "8"
    & skf18("2","9","5","5","7","5","1") = "8"
    & skf18("2","9","5","5","7","6","1") = "8"
    & skf18("2","9","5","5","7","7","1") = "8"
    & skf18("2","9","5","5","7","8","1") = "8"
    & skf18("2","9","5","5","7","9","1") = "8"
    & skf18("2","9","5","5","7","10","1") = "9"
    & skf18("2","9","5","5","8","1","1") = "8"
    & skf18("2","9","5","5","8","2","1") = "8"
    & skf18("2","9","5","5","8","3","1") = "8"
    & skf18("2","9","5","5","8","4","1") = "8"
    & skf18("2","9","5","5","8","5","1") = "8"
    & skf18("2","9","5","5","8","6","1") = "8"
    & skf18("2","9","5","5","8","7","1") = "8"
    & skf18("2","9","5","5","8","8","1") = "8"
    & skf18("2","9","5","5","8","9","1") = "8"
    & skf18("2","9","5","5","8","10","1") = "9"
    & skf18("2","9","5","5","9","1","1") = "8"
    & skf18("2","9","5","5","9","2","1") = "8"
    & skf18("2","9","5","5","9","3","1") = "8"
    & skf18("2","9","5","5","9","4","1") = "8"
    & skf18("2","9","5","5","9","5","1") = "8"
    & skf18("2","9","5","5","9","6","1") = "8"
    & skf18("2","9","5","5","9","7","1") = "8"
    & skf18("2","9","5","5","9","8","1") = "8"
    & skf18("2","9","5","5","9","9","1") = "8"
    & skf18("2","9","5","5","9","10","1") = "9"
    & skf18("2","9","5","5","10","1","1") = "9"
    & skf18("2","9","5","5","10","2","1") = "9"
    & skf18("2","9","5","5","10","3","1") = "9"
    & skf18("2","9","5","5","10","4","1") = "9"
    & skf18("2","9","5","5","10","5","1") = "9"
    & skf18("2","9","5","5","10","6","1") = "9"
    & skf18("2","9","5","5","10","7","1") = "9"
    & skf18("2","9","5","5","10","8","1") = "9"
    & skf18("2","9","5","5","10","9","1") = "9"
    & skf18("2","9","5","5","10","10","1") = "9"
    & skf18("2","9","5","6","1","1","1") = "8"
    & skf18("2","9","5","6","1","2","1") = "8"
    & skf18("2","9","5","6","1","3","1") = "8"
    & skf18("2","9","5","6","1","4","1") = "8"
    & skf18("2","9","5","6","1","5","1") = "8"
    & skf18("2","9","5","6","1","6","1") = "8"
    & skf18("2","9","5","6","1","7","1") = "8"
    & skf18("2","9","5","6","1","8","1") = "8"
    & skf18("2","9","5","6","1","9","1") = "8"
    & skf18("2","9","5","6","1","10","1") = "9"
    & skf18("2","9","5","6","2","1","1") = "8"
    & skf18("2","9","5","6","2","2","1") = "8"
    & skf18("2","9","5","6","2","3","1") = "8"
    & skf18("2","9","5","6","2","4","1") = "8"
    & skf18("2","9","5","6","2","5","1") = "8"
    & skf18("2","9","5","6","2","6","1") = "8"
    & skf18("2","9","5","6","2","7","1") = "8"
    & skf18("2","9","5","6","2","8","1") = "8"
    & skf18("2","9","5","6","2","9","1") = "8"
    & skf18("2","9","5","6","2","10","1") = "9"
    & skf18("2","9","5","6","3","1","1") = "8"
    & skf18("2","9","5","6","3","2","1") = "8"
    & skf18("2","9","5","6","3","3","1") = "8"
    & skf18("2","9","5","6","3","4","1") = "8"
    & skf18("2","9","5","6","3","5","1") = "8"
    & skf18("2","9","5","6","3","6","1") = "8"
    & skf18("2","9","5","6","3","7","1") = "8"
    & skf18("2","9","5","6","3","8","1") = "8"
    & skf18("2","9","5","6","3","9","1") = "8"
    & skf18("2","9","5","6","3","10","1") = "9"
    & skf18("2","9","5","6","4","1","1") = "8"
    & skf18("2","9","5","6","4","2","1") = "8"
    & skf18("2","9","5","6","4","3","1") = "8"
    & skf18("2","9","5","6","4","4","1") = "8"
    & skf18("2","9","5","6","4","5","1") = "8"
    & skf18("2","9","5","6","4","6","1") = "8"
    & skf18("2","9","5","6","4","7","1") = "8"
    & skf18("2","9","5","6","4","8","1") = "8"
    & skf18("2","9","5","6","4","9","1") = "8"
    & skf18("2","9","5","6","4","10","1") = "9"
    & skf18("2","9","5","6","5","1","1") = "8"
    & skf18("2","9","5","6","5","2","1") = "8"
    & skf18("2","9","5","6","5","3","1") = "8"
    & skf18("2","9","5","6","5","4","1") = "8"
    & skf18("2","9","5","6","5","5","1") = "8"
    & skf18("2","9","5","6","5","6","1") = "8"
    & skf18("2","9","5","6","5","7","1") = "8"
    & skf18("2","9","5","6","5","8","1") = "8"
    & skf18("2","9","5","6","5","9","1") = "8"
    & skf18("2","9","5","6","5","10","1") = "9"
    & skf18("2","9","5","6","6","1","1") = "8"
    & skf18("2","9","5","6","6","2","1") = "8"
    & skf18("2","9","5","6","6","3","1") = "8"
    & skf18("2","9","5","6","6","4","1") = "8"
    & skf18("2","9","5","6","6","5","1") = "8"
    & skf18("2","9","5","6","6","6","1") = "8"
    & skf18("2","9","5","6","6","7","1") = "8"
    & skf18("2","9","5","6","6","8","1") = "8"
    & skf18("2","9","5","6","6","9","1") = "8"
    & skf18("2","9","5","6","6","10","1") = "9"
    & skf18("2","9","5","6","7","1","1") = "8"
    & skf18("2","9","5","6","7","2","1") = "8"
    & skf18("2","9","5","6","7","3","1") = "8"
    & skf18("2","9","5","6","7","4","1") = "8"
    & skf18("2","9","5","6","7","5","1") = "8"
    & skf18("2","9","5","6","7","6","1") = "8"
    & skf18("2","9","5","6","7","7","1") = "8"
    & skf18("2","9","5","6","7","8","1") = "8"
    & skf18("2","9","5","6","7","9","1") = "8"
    & skf18("2","9","5","6","7","10","1") = "9"
    & skf18("2","9","5","6","8","1","1") = "8"
    & skf18("2","9","5","6","8","2","1") = "8"
    & skf18("2","9","5","6","8","3","1") = "8"
    & skf18("2","9","5","6","8","4","1") = "8"
    & skf18("2","9","5","6","8","5","1") = "8"
    & skf18("2","9","5","6","8","6","1") = "8"
    & skf18("2","9","5","6","8","7","1") = "8"
    & skf18("2","9","5","6","8","8","1") = "8"
    & skf18("2","9","5","6","8","9","1") = "8"
    & skf18("2","9","5","6","8","10","1") = "9"
    & skf18("2","9","5","6","9","1","1") = "8"
    & skf18("2","9","5","6","9","2","1") = "8"
    & skf18("2","9","5","6","9","3","1") = "8"
    & skf18("2","9","5","6","9","4","1") = "8"
    & skf18("2","9","5","6","9","5","1") = "8"
    & skf18("2","9","5","6","9","6","1") = "8"
    & skf18("2","9","5","6","9","7","1") = "8"
    & skf18("2","9","5","6","9","8","1") = "8"
    & skf18("2","9","5","6","9","9","1") = "8"
    & skf18("2","9","5","6","9","10","1") = "9"
    & skf18("2","9","5","6","10","1","1") = "9"
    & skf18("2","9","5","6","10","2","1") = "9"
    & skf18("2","9","5","6","10","3","1") = "9"
    & skf18("2","9","5","6","10","4","1") = "9"
    & skf18("2","9","5","6","10","5","1") = "9"
    & skf18("2","9","5","6","10","6","1") = "9"
    & skf18("2","9","5","6","10","7","1") = "9"
    & skf18("2","9","5","6","10","8","1") = "9"
    & skf18("2","9","5","6","10","9","1") = "9"
    & skf18("2","9","5","6","10","10","1") = "9"
    & skf18("2","9","5","7","1","1","1") = "8"
    & skf18("2","9","5","7","1","2","1") = "8"
    & skf18("2","9","5","7","1","3","1") = "8"
    & skf18("2","9","5","7","1","4","1") = "8"
    & skf18("2","9","5","7","1","5","1") = "8"
    & skf18("2","9","5","7","1","6","1") = "8"
    & skf18("2","9","5","7","1","7","1") = "8"
    & skf18("2","9","5","7","1","8","1") = "8"
    & skf18("2","9","5","7","1","9","1") = "8"
    & skf18("2","9","5","7","1","10","1") = "9"
    & skf18("2","9","5","7","2","1","1") = "8"
    & skf18("2","9","5","7","2","2","1") = "8"
    & skf18("2","9","5","7","2","3","1") = "8"
    & skf18("2","9","5","7","2","4","1") = "8"
    & skf18("2","9","5","7","2","5","1") = "8"
    & skf18("2","9","5","7","2","6","1") = "8"
    & skf18("2","9","5","7","2","7","1") = "8"
    & skf18("2","9","5","7","2","8","1") = "8"
    & skf18("2","9","5","7","2","9","1") = "8"
    & skf18("2","9","5","7","2","10","1") = "9"
    & skf18("2","9","5","7","3","1","1") = "8"
    & skf18("2","9","5","7","3","2","1") = "8"
    & skf18("2","9","5","7","3","3","1") = "8"
    & skf18("2","9","5","7","3","4","1") = "8"
    & skf18("2","9","5","7","3","5","1") = "8"
    & skf18("2","9","5","7","3","6","1") = "8"
    & skf18("2","9","5","7","3","7","1") = "8"
    & skf18("2","9","5","7","3","8","1") = "8"
    & skf18("2","9","5","7","3","9","1") = "8"
    & skf18("2","9","5","7","3","10","1") = "9"
    & skf18("2","9","5","7","4","1","1") = "8"
    & skf18("2","9","5","7","4","2","1") = "8"
    & skf18("2","9","5","7","4","3","1") = "8"
    & skf18("2","9","5","7","4","4","1") = "8"
    & skf18("2","9","5","7","4","5","1") = "8"
    & skf18("2","9","5","7","4","6","1") = "8"
    & skf18("2","9","5","7","4","7","1") = "8"
    & skf18("2","9","5","7","4","8","1") = "8"
    & skf18("2","9","5","7","4","9","1") = "8"
    & skf18("2","9","5","7","4","10","1") = "9"
    & skf18("2","9","5","7","5","1","1") = "8"
    & skf18("2","9","5","7","5","2","1") = "8"
    & skf18("2","9","5","7","5","3","1") = "8"
    & skf18("2","9","5","7","5","4","1") = "8"
    & skf18("2","9","5","7","5","5","1") = "8"
    & skf18("2","9","5","7","5","6","1") = "8"
    & skf18("2","9","5","7","5","7","1") = "8"
    & skf18("2","9","5","7","5","8","1") = "8"
    & skf18("2","9","5","7","5","9","1") = "8"
    & skf18("2","9","5","7","5","10","1") = "9"
    & skf18("2","9","5","7","6","1","1") = "8"
    & skf18("2","9","5","7","6","2","1") = "8"
    & skf18("2","9","5","7","6","3","1") = "8"
    & skf18("2","9","5","7","6","4","1") = "8"
    & skf18("2","9","5","7","6","5","1") = "8"
    & skf18("2","9","5","7","6","6","1") = "8"
    & skf18("2","9","5","7","6","7","1") = "8"
    & skf18("2","9","5","7","6","8","1") = "8"
    & skf18("2","9","5","7","6","9","1") = "8"
    & skf18("2","9","5","7","6","10","1") = "9"
    & skf18("2","9","5","7","7","1","1") = "8"
    & skf18("2","9","5","7","7","2","1") = "8"
    & skf18("2","9","5","7","7","3","1") = "8"
    & skf18("2","9","5","7","7","4","1") = "8"
    & skf18("2","9","5","7","7","5","1") = "8"
    & skf18("2","9","5","7","7","6","1") = "8"
    & skf18("2","9","5","7","7","7","1") = "8"
    & skf18("2","9","5","7","7","8","1") = "8"
    & skf18("2","9","5","7","7","9","1") = "8"
    & skf18("2","9","5","7","7","10","1") = "9"
    & skf18("2","9","5","7","8","1","1") = "8"
    & skf18("2","9","5","7","8","2","1") = "8"
    & skf18("2","9","5","7","8","3","1") = "8"
    & skf18("2","9","5","7","8","4","1") = "8"
    & skf18("2","9","5","7","8","5","1") = "8"
    & skf18("2","9","5","7","8","6","1") = "8"
    & skf18("2","9","5","7","8","7","1") = "8"
    & skf18("2","9","5","7","8","8","1") = "8"
    & skf18("2","9","5","7","8","9","1") = "8"
    & skf18("2","9","5","7","8","10","1") = "9"
    & skf18("2","9","5","7","9","1","1") = "8"
    & skf18("2","9","5","7","9","2","1") = "8"
    & skf18("2","9","5","7","9","3","1") = "8"
    & skf18("2","9","5","7","9","4","1") = "8"
    & skf18("2","9","5","7","9","5","1") = "8"
    & skf18("2","9","5","7","9","6","1") = "8"
    & skf18("2","9","5","7","9","7","1") = "8"
    & skf18("2","9","5","7","9","8","1") = "8"
    & skf18("2","9","5","7","9","9","1") = "8"
    & skf18("2","9","5","7","9","10","1") = "9"
    & skf18("2","9","5","7","10","1","1") = "9"
    & skf18("2","9","5","7","10","2","1") = "9"
    & skf18("2","9","5","7","10","3","1") = "9"
    & skf18("2","9","5","7","10","4","1") = "9"
    & skf18("2","9","5","7","10","5","1") = "9"
    & skf18("2","9","5","7","10","6","1") = "9"
    & skf18("2","9","5","7","10","7","1") = "9"
    & skf18("2","9","5","7","10","8","1") = "9"
    & skf18("2","9","5","7","10","9","1") = "9"
    & skf18("2","9","5","7","10","10","1") = "9"
    & skf18("2","9","5","8","1","1","1") = "8"
    & skf18("2","9","5","8","1","2","1") = "8"
    & skf18("2","9","5","8","1","3","1") = "8"
    & skf18("2","9","5","8","1","4","1") = "8"
    & skf18("2","9","5","8","1","5","1") = "8"
    & skf18("2","9","5","8","1","6","1") = "8"
    & skf18("2","9","5","8","1","7","1") = "8"
    & skf18("2","9","5","8","1","8","1") = "8"
    & skf18("2","9","5","8","1","9","1") = "8"
    & skf18("2","9","5","8","1","10","1") = "9"
    & skf18("2","9","5","8","2","1","1") = "8"
    & skf18("2","9","5","8","2","2","1") = "8"
    & skf18("2","9","5","8","2","3","1") = "8"
    & skf18("2","9","5","8","2","4","1") = "8"
    & skf18("2","9","5","8","2","5","1") = "8"
    & skf18("2","9","5","8","2","6","1") = "8"
    & skf18("2","9","5","8","2","7","1") = "8"
    & skf18("2","9","5","8","2","8","1") = "8"
    & skf18("2","9","5","8","2","9","1") = "8"
    & skf18("2","9","5","8","2","10","1") = "9"
    & skf18("2","9","5","8","3","1","1") = "8"
    & skf18("2","9","5","8","3","2","1") = "8"
    & skf18("2","9","5","8","3","3","1") = "8"
    & skf18("2","9","5","8","3","4","1") = "8"
    & skf18("2","9","5","8","3","5","1") = "8"
    & skf18("2","9","5","8","3","6","1") = "8"
    & skf18("2","9","5","8","3","7","1") = "8"
    & skf18("2","9","5","8","3","8","1") = "8"
    & skf18("2","9","5","8","3","9","1") = "8"
    & skf18("2","9","5","8","3","10","1") = "9"
    & skf18("2","9","5","8","4","1","1") = "8"
    & skf18("2","9","5","8","4","2","1") = "8"
    & skf18("2","9","5","8","4","3","1") = "8"
    & skf18("2","9","5","8","4","4","1") = "8"
    & skf18("2","9","5","8","4","5","1") = "8"
    & skf18("2","9","5","8","4","6","1") = "8"
    & skf18("2","9","5","8","4","7","1") = "8"
    & skf18("2","9","5","8","4","8","1") = "8"
    & skf18("2","9","5","8","4","9","1") = "8"
    & skf18("2","9","5","8","4","10","1") = "9"
    & skf18("2","9","5","8","5","1","1") = "8"
    & skf18("2","9","5","8","5","2","1") = "8"
    & skf18("2","9","5","8","5","3","1") = "8"
    & skf18("2","9","5","8","5","4","1") = "8"
    & skf18("2","9","5","8","5","5","1") = "8"
    & skf18("2","9","5","8","5","6","1") = "8"
    & skf18("2","9","5","8","5","7","1") = "8"
    & skf18("2","9","5","8","5","8","1") = "8"
    & skf18("2","9","5","8","5","9","1") = "8"
    & skf18("2","9","5","8","5","10","1") = "9"
    & skf18("2","9","5","8","6","1","1") = "8"
    & skf18("2","9","5","8","6","2","1") = "8"
    & skf18("2","9","5","8","6","3","1") = "8"
    & skf18("2","9","5","8","6","4","1") = "8"
    & skf18("2","9","5","8","6","5","1") = "8"
    & skf18("2","9","5","8","6","6","1") = "8"
    & skf18("2","9","5","8","6","7","1") = "8"
    & skf18("2","9","5","8","6","8","1") = "8"
    & skf18("2","9","5","8","6","9","1") = "8"
    & skf18("2","9","5","8","6","10","1") = "9"
    & skf18("2","9","5","8","7","1","1") = "8"
    & skf18("2","9","5","8","7","2","1") = "8"
    & skf18("2","9","5","8","7","3","1") = "8"
    & skf18("2","9","5","8","7","4","1") = "8"
    & skf18("2","9","5","8","7","5","1") = "8"
    & skf18("2","9","5","8","7","6","1") = "8"
    & skf18("2","9","5","8","7","7","1") = "8"
    & skf18("2","9","5","8","7","8","1") = "8"
    & skf18("2","9","5","8","7","9","1") = "8"
    & skf18("2","9","5","8","7","10","1") = "9"
    & skf18("2","9","5","8","8","1","1") = "8"
    & skf18("2","9","5","8","8","2","1") = "8"
    & skf18("2","9","5","8","8","3","1") = "8"
    & skf18("2","9","5","8","8","4","1") = "8"
    & skf18("2","9","5","8","8","5","1") = "8"
    & skf18("2","9","5","8","8","6","1") = "8"
    & skf18("2","9","5","8","8","7","1") = "8"
    & skf18("2","9","5","8","8","8","1") = "8"
    & skf18("2","9","5","8","8","9","1") = "8"
    & skf18("2","9","5","8","8","10","1") = "9"
    & skf18("2","9","5","8","9","1","1") = "8"
    & skf18("2","9","5","8","9","2","1") = "8"
    & skf18("2","9","5","8","9","3","1") = "8"
    & skf18("2","9","5","8","9","4","1") = "8"
    & skf18("2","9","5","8","9","5","1") = "8"
    & skf18("2","9","5","8","9","6","1") = "8"
    & skf18("2","9","5","8","9","7","1") = "8"
    & skf18("2","9","5","8","9","8","1") = "8"
    & skf18("2","9","5","8","9","9","1") = "8"
    & skf18("2","9","5","8","9","10","1") = "9"
    & skf18("2","9","5","8","10","1","1") = "9"
    & skf18("2","9","5","8","10","2","1") = "9"
    & skf18("2","9","5","8","10","3","1") = "9"
    & skf18("2","9","5","8","10","4","1") = "9"
    & skf18("2","9","5","8","10","5","1") = "9"
    & skf18("2","9","5","8","10","6","1") = "9"
    & skf18("2","9","5","8","10","7","1") = "9"
    & skf18("2","9","5","8","10","8","1") = "9"
    & skf18("2","9","5","8","10","9","1") = "9"
    & skf18("2","9","5","8","10","10","1") = "9"
    & skf18("2","9","5","9","1","1","1") = "8"
    & skf18("2","9","5","9","1","2","1") = "8"
    & skf18("2","9","5","9","1","3","1") = "8"
    & skf18("2","9","5","9","1","4","1") = "8"
    & skf18("2","9","5","9","1","5","1") = "8"
    & skf18("2","9","5","9","1","6","1") = "8"
    & skf18("2","9","5","9","1","7","1") = "8"
    & skf18("2","9","5","9","1","8","1") = "8"
    & skf18("2","9","5","9","1","9","1") = "8"
    & skf18("2","9","5","9","1","10","1") = "9"
    & skf18("2","9","5","9","2","1","1") = "8"
    & skf18("2","9","5","9","2","2","1") = "8"
    & skf18("2","9","5","9","2","3","1") = "8"
    & skf18("2","9","5","9","2","4","1") = "8"
    & skf18("2","9","5","9","2","5","1") = "8"
    & skf18("2","9","5","9","2","6","1") = "8"
    & skf18("2","9","5","9","2","7","1") = "8"
    & skf18("2","9","5","9","2","8","1") = "8"
    & skf18("2","9","5","9","2","9","1") = "8"
    & skf18("2","9","5","9","2","10","1") = "9"
    & skf18("2","9","5","9","3","1","1") = "8"
    & skf18("2","9","5","9","3","2","1") = "8"
    & skf18("2","9","5","9","3","3","1") = "8"
    & skf18("2","9","5","9","3","4","1") = "8"
    & skf18("2","9","5","9","3","5","1") = "8"
    & skf18("2","9","5","9","3","6","1") = "8"
    & skf18("2","9","5","9","3","7","1") = "8"
    & skf18("2","9","5","9","3","8","1") = "8"
    & skf18("2","9","5","9","3","9","1") = "8"
    & skf18("2","9","5","9","3","10","1") = "9"
    & skf18("2","9","5","9","4","1","1") = "8"
    & skf18("2","9","5","9","4","2","1") = "8"
    & skf18("2","9","5","9","4","3","1") = "8"
    & skf18("2","9","5","9","4","4","1") = "8"
    & skf18("2","9","5","9","4","5","1") = "8"
    & skf18("2","9","5","9","4","6","1") = "8"
    & skf18("2","9","5","9","4","7","1") = "8"
    & skf18("2","9","5","9","4","8","1") = "8"
    & skf18("2","9","5","9","4","9","1") = "8"
    & skf18("2","9","5","9","4","10","1") = "9"
    & skf18("2","9","5","9","5","1","1") = "8"
    & skf18("2","9","5","9","5","2","1") = "8"
    & skf18("2","9","5","9","5","3","1") = "8"
    & skf18("2","9","5","9","5","4","1") = "8"
    & skf18("2","9","5","9","5","5","1") = "8"
    & skf18("2","9","5","9","5","6","1") = "8"
    & skf18("2","9","5","9","5","7","1") = "8"
    & skf18("2","9","5","9","5","8","1") = "8"
    & skf18("2","9","5","9","5","9","1") = "8"
    & skf18("2","9","5","9","5","10","1") = "9"
    & skf18("2","9","5","9","6","1","1") = "8"
    & skf18("2","9","5","9","6","2","1") = "8"
    & skf18("2","9","5","9","6","3","1") = "8"
    & skf18("2","9","5","9","6","4","1") = "8"
    & skf18("2","9","5","9","6","5","1") = "8"
    & skf18("2","9","5","9","6","6","1") = "8"
    & skf18("2","9","5","9","6","7","1") = "8"
    & skf18("2","9","5","9","6","8","1") = "8"
    & skf18("2","9","5","9","6","9","1") = "8"
    & skf18("2","9","5","9","6","10","1") = "9"
    & skf18("2","9","5","9","7","1","1") = "8"
    & skf18("2","9","5","9","7","2","1") = "8"
    & skf18("2","9","5","9","7","3","1") = "8"
    & skf18("2","9","5","9","7","4","1") = "8"
    & skf18("2","9","5","9","7","5","1") = "8"
    & skf18("2","9","5","9","7","6","1") = "8"
    & skf18("2","9","5","9","7","7","1") = "8"
    & skf18("2","9","5","9","7","8","1") = "8"
    & skf18("2","9","5","9","7","9","1") = "8"
    & skf18("2","9","5","9","7","10","1") = "9"
    & skf18("2","9","5","9","8","1","1") = "8"
    & skf18("2","9","5","9","8","2","1") = "8"
    & skf18("2","9","5","9","8","3","1") = "8"
    & skf18("2","9","5","9","8","4","1") = "8"
    & skf18("2","9","5","9","8","5","1") = "8"
    & skf18("2","9","5","9","8","6","1") = "8"
    & skf18("2","9","5","9","8","7","1") = "8"
    & skf18("2","9","5","9","8","8","1") = "8"
    & skf18("2","9","5","9","8","9","1") = "8"
    & skf18("2","9","5","9","8","10","1") = "9"
    & skf18("2","9","5","9","9","1","1") = "8"
    & skf18("2","9","5","9","9","2","1") = "8"
    & skf18("2","9","5","9","9","3","1") = "8"
    & skf18("2","9","5","9","9","4","1") = "8"
    & skf18("2","9","5","9","9","5","1") = "8"
    & skf18("2","9","5","9","9","6","1") = "8"
    & skf18("2","9","5","9","9","7","1") = "8"
    & skf18("2","9","5","9","9","8","1") = "8"
    & skf18("2","9","5","9","9","9","1") = "8"
    & skf18("2","9","5","9","9","10","1") = "9"
    & skf18("2","9","5","9","10","1","1") = "9"
    & skf18("2","9","5","9","10","2","1") = "9"
    & skf18("2","9","5","9","10","3","1") = "9"
    & skf18("2","9","5","9","10","4","1") = "9"
    & skf18("2","9","5","9","10","5","1") = "9"
    & skf18("2","9","5","9","10","6","1") = "9"
    & skf18("2","9","5","9","10","7","1") = "9"
    & skf18("2","9","5","9","10","8","1") = "9"
    & skf18("2","9","5","9","10","9","1") = "9"
    & skf18("2","9","5","9","10","10","1") = "9"
    & skf18("2","9","5","10","1","1","1") = "9"
    & skf18("2","9","5","10","1","2","1") = "9"
    & skf18("2","9","5","10","1","3","1") = "9"
    & skf18("2","9","5","10","1","4","1") = "9"
    & skf18("2","9","5","10","1","5","1") = "9"
    & skf18("2","9","5","10","1","6","1") = "9"
    & skf18("2","9","5","10","1","7","1") = "9"
    & skf18("2","9","5","10","1","8","1") = "9"
    & skf18("2","9","5","10","1","9","1") = "9"
    & skf18("2","9","5","10","1","10","1") = "9"
    & skf18("2","9","5","10","2","1","1") = "9"
    & skf18("2","9","5","10","2","2","1") = "9"
    & skf18("2","9","5","10","2","3","1") = "9"
    & skf18("2","9","5","10","2","4","1") = "9"
    & skf18("2","9","5","10","2","5","1") = "9"
    & skf18("2","9","5","10","2","6","1") = "9"
    & skf18("2","9","5","10","2","7","1") = "9"
    & skf18("2","9","5","10","2","8","1") = "9"
    & skf18("2","9","5","10","2","9","1") = "9"
    & skf18("2","9","5","10","2","10","1") = "9"
    & skf18("2","9","5","10","3","1","1") = "9"
    & skf18("2","9","5","10","3","2","1") = "9"
    & skf18("2","9","5","10","3","3","1") = "9"
    & skf18("2","9","5","10","3","4","1") = "9"
    & skf18("2","9","5","10","3","5","1") = "9"
    & skf18("2","9","5","10","3","6","1") = "9"
    & skf18("2","9","5","10","3","7","1") = "9"
    & skf18("2","9","5","10","3","8","1") = "9"
    & skf18("2","9","5","10","3","9","1") = "9"
    & skf18("2","9","5","10","3","10","1") = "9"
    & skf18("2","9","5","10","4","1","1") = "9"
    & skf18("2","9","5","10","4","2","1") = "9"
    & skf18("2","9","5","10","4","3","1") = "9"
    & skf18("2","9","5","10","4","4","1") = "9"
    & skf18("2","9","5","10","4","5","1") = "9"
    & skf18("2","9","5","10","4","6","1") = "9"
    & skf18("2","9","5","10","4","7","1") = "9"
    & skf18("2","9","5","10","4","8","1") = "9"
    & skf18("2","9","5","10","4","9","1") = "9"
    & skf18("2","9","5","10","4","10","1") = "9"
    & skf18("2","9","5","10","5","1","1") = "9"
    & skf18("2","9","5","10","5","2","1") = "9"
    & skf18("2","9","5","10","5","3","1") = "9"
    & skf18("2","9","5","10","5","4","1") = "9"
    & skf18("2","9","5","10","5","5","1") = "9"
    & skf18("2","9","5","10","5","6","1") = "9"
    & skf18("2","9","5","10","5","7","1") = "9"
    & skf18("2","9","5","10","5","8","1") = "9"
    & skf18("2","9","5","10","5","9","1") = "9"
    & skf18("2","9","5","10","5","10","1") = "9"
    & skf18("2","9","5","10","6","1","1") = "9"
    & skf18("2","9","5","10","6","2","1") = "9"
    & skf18("2","9","5","10","6","3","1") = "9"
    & skf18("2","9","5","10","6","4","1") = "9"
    & skf18("2","9","5","10","6","5","1") = "9"
    & skf18("2","9","5","10","6","6","1") = "9"
    & skf18("2","9","5","10","6","7","1") = "9"
    & skf18("2","9","5","10","6","8","1") = "9"
    & skf18("2","9","5","10","6","9","1") = "9"
    & skf18("2","9","5","10","6","10","1") = "9"
    & skf18("2","9","5","10","7","1","1") = "9"
    & skf18("2","9","5","10","7","2","1") = "9"
    & skf18("2","9","5","10","7","3","1") = "9"
    & skf18("2","9","5","10","7","4","1") = "9"
    & skf18("2","9","5","10","7","5","1") = "9"
    & skf18("2","9","5","10","7","6","1") = "9"
    & skf18("2","9","5","10","7","7","1") = "9"
    & skf18("2","9","5","10","7","8","1") = "9"
    & skf18("2","9","5","10","7","9","1") = "9"
    & skf18("2","9","5","10","7","10","1") = "9"
    & skf18("2","9","5","10","8","1","1") = "9"
    & skf18("2","9","5","10","8","2","1") = "9"
    & skf18("2","9","5","10","8","3","1") = "9"
    & skf18("2","9","5","10","8","4","1") = "9"
    & skf18("2","9","5","10","8","5","1") = "9"
    & skf18("2","9","5","10","8","6","1") = "9"
    & skf18("2","9","5","10","8","7","1") = "9"
    & skf18("2","9","5","10","8","8","1") = "9"
    & skf18("2","9","5","10","8","9","1") = "9"
    & skf18("2","9","5","10","8","10","1") = "9"
    & skf18("2","9","5","10","9","1","1") = "9"
    & skf18("2","9","5","10","9","2","1") = "9"
    & skf18("2","9","5","10","9","3","1") = "9"
    & skf18("2","9","5","10","9","4","1") = "9"
    & skf18("2","9","5","10","9","5","1") = "9"
    & skf18("2","9","5","10","9","6","1") = "9"
    & skf18("2","9","5","10","9","7","1") = "9"
    & skf18("2","9","5","10","9","8","1") = "9"
    & skf18("2","9","5","10","9","9","1") = "9"
    & skf18("2","9","5","10","9","10","1") = "9"
    & skf18("2","9","5","10","10","1","1") = "9"
    & skf18("2","9","5","10","10","2","1") = "9"
    & skf18("2","9","5","10","10","3","1") = "9"
    & skf18("2","9","5","10","10","4","1") = "9"
    & skf18("2","9","5","10","10","5","1") = "9"
    & skf18("2","9","5","10","10","6","1") = "9"
    & skf18("2","9","5","10","10","7","1") = "9"
    & skf18("2","9","5","10","10","8","1") = "9"
    & skf18("2","9","5","10","10","9","1") = "9"
    & skf18("2","9","5","10","10","10","1") = "9"
    & skf18("2","9","6","1","1","1","1") = "8"
    & skf18("2","9","6","1","1","2","1") = "8"
    & skf18("2","9","6","1","1","3","1") = "8"
    & skf18("2","9","6","1","1","4","1") = "8"
    & skf18("2","9","6","1","1","5","1") = "8"
    & skf18("2","9","6","1","1","6","1") = "8"
    & skf18("2","9","6","1","1","7","1") = "8"
    & skf18("2","9","6","1","1","8","1") = "8"
    & skf18("2","9","6","1","1","9","1") = "8"
    & skf18("2","9","6","1","1","10","1") = "9"
    & skf18("2","9","6","1","2","1","1") = "8"
    & skf18("2","9","6","1","2","2","1") = "8"
    & skf18("2","9","6","1","2","3","1") = "8"
    & skf18("2","9","6","1","2","4","1") = "8"
    & skf18("2","9","6","1","2","5","1") = "8"
    & skf18("2","9","6","1","2","6","1") = "8"
    & skf18("2","9","6","1","2","7","1") = "8"
    & skf18("2","9","6","1","2","8","1") = "8"
    & skf18("2","9","6","1","2","9","1") = "8"
    & skf18("2","9","6","1","2","10","1") = "9"
    & skf18("2","9","6","1","3","1","1") = "8"
    & skf18("2","9","6","1","3","2","1") = "8"
    & skf18("2","9","6","1","3","3","1") = "8"
    & skf18("2","9","6","1","3","4","1") = "8"
    & skf18("2","9","6","1","3","5","1") = "8"
    & skf18("2","9","6","1","3","6","1") = "8"
    & skf18("2","9","6","1","3","7","1") = "8"
    & skf18("2","9","6","1","3","8","1") = "8"
    & skf18("2","9","6","1","3","9","1") = "8"
    & skf18("2","9","6","1","3","10","1") = "9"
    & skf18("2","9","6","1","4","1","1") = "8"
    & skf18("2","9","6","1","4","2","1") = "8"
    & skf18("2","9","6","1","4","3","1") = "8"
    & skf18("2","9","6","1","4","4","1") = "8"
    & skf18("2","9","6","1","4","5","1") = "8"
    & skf18("2","9","6","1","4","6","1") = "8"
    & skf18("2","9","6","1","4","7","1") = "8"
    & skf18("2","9","6","1","4","8","1") = "8"
    & skf18("2","9","6","1","4","9","1") = "8"
    & skf18("2","9","6","1","4","10","1") = "9"
    & skf18("2","9","6","1","5","1","1") = "8"
    & skf18("2","9","6","1","5","2","1") = "8"
    & skf18("2","9","6","1","5","3","1") = "8"
    & skf18("2","9","6","1","5","4","1") = "8"
    & skf18("2","9","6","1","5","5","1") = "8"
    & skf18("2","9","6","1","5","6","1") = "8"
    & skf18("2","9","6","1","5","7","1") = "8"
    & skf18("2","9","6","1","5","8","1") = "8"
    & skf18("2","9","6","1","5","9","1") = "8"
    & skf18("2","9","6","1","5","10","1") = "9"
    & skf18("2","9","6","1","6","1","1") = "8"
    & skf18("2","9","6","1","6","2","1") = "8"
    & skf18("2","9","6","1","6","3","1") = "8"
    & skf18("2","9","6","1","6","4","1") = "8"
    & skf18("2","9","6","1","6","5","1") = "8"
    & skf18("2","9","6","1","6","6","1") = "8"
    & skf18("2","9","6","1","6","7","1") = "8"
    & skf18("2","9","6","1","6","8","1") = "8"
    & skf18("2","9","6","1","6","9","1") = "8"
    & skf18("2","9","6","1","6","10","1") = "9"
    & skf18("2","9","6","1","7","1","1") = "8"
    & skf18("2","9","6","1","7","2","1") = "8"
    & skf18("2","9","6","1","7","3","1") = "8"
    & skf18("2","9","6","1","7","4","1") = "8"
    & skf18("2","9","6","1","7","5","1") = "8"
    & skf18("2","9","6","1","7","6","1") = "8"
    & skf18("2","9","6","1","7","7","1") = "8"
    & skf18("2","9","6","1","7","8","1") = "8"
    & skf18("2","9","6","1","7","9","1") = "8"
    & skf18("2","9","6","1","7","10","1") = "9"
    & skf18("2","9","6","1","8","1","1") = "8"
    & skf18("2","9","6","1","8","2","1") = "8"
    & skf18("2","9","6","1","8","3","1") = "8"
    & skf18("2","9","6","1","8","4","1") = "8"
    & skf18("2","9","6","1","8","5","1") = "8"
    & skf18("2","9","6","1","8","6","1") = "8"
    & skf18("2","9","6","1","8","7","1") = "8"
    & skf18("2","9","6","1","8","8","1") = "8"
    & skf18("2","9","6","1","8","9","1") = "8"
    & skf18("2","9","6","1","8","10","1") = "9"
    & skf18("2","9","6","1","9","1","1") = "8"
    & skf18("2","9","6","1","9","2","1") = "8"
    & skf18("2","9","6","1","9","3","1") = "8"
    & skf18("2","9","6","1","9","4","1") = "8"
    & skf18("2","9","6","1","9","5","1") = "8"
    & skf18("2","9","6","1","9","6","1") = "8"
    & skf18("2","9","6","1","9","7","1") = "8"
    & skf18("2","9","6","1","9","8","1") = "8"
    & skf18("2","9","6","1","9","9","1") = "8"
    & skf18("2","9","6","1","9","10","1") = "9"
    & skf18("2","9","6","1","10","1","1") = "9"
    & skf18("2","9","6","1","10","2","1") = "9"
    & skf18("2","9","6","1","10","3","1") = "9"
    & skf18("2","9","6","1","10","4","1") = "9"
    & skf18("2","9","6","1","10","5","1") = "9"
    & skf18("2","9","6","1","10","6","1") = "9"
    & skf18("2","9","6","1","10","7","1") = "9"
    & skf18("2","9","6","1","10","8","1") = "9"
    & skf18("2","9","6","1","10","9","1") = "9"
    & skf18("2","9","6","1","10","10","1") = "9"
    & skf18("2","9","6","2","1","1","1") = "8"
    & skf18("2","9","6","2","1","2","1") = "8"
    & skf18("2","9","6","2","1","3","1") = "8"
    & skf18("2","9","6","2","1","4","1") = "8"
    & skf18("2","9","6","2","1","5","1") = "8"
    & skf18("2","9","6","2","1","6","1") = "8"
    & skf18("2","9","6","2","1","7","1") = "8"
    & skf18("2","9","6","2","1","8","1") = "8"
    & skf18("2","9","6","2","1","9","1") = "8"
    & skf18("2","9","6","2","1","10","1") = "9"
    & skf18("2","9","6","2","2","1","1") = "8"
    & skf18("2","9","6","2","2","2","1") = "8"
    & skf18("2","9","6","2","2","3","1") = "8"
    & skf18("2","9","6","2","2","4","1") = "8"
    & skf18("2","9","6","2","2","5","1") = "8"
    & skf18("2","9","6","2","2","6","1") = "8"
    & skf18("2","9","6","2","2","7","1") = "8"
    & skf18("2","9","6","2","2","8","1") = "8"
    & skf18("2","9","6","2","2","9","1") = "8"
    & skf18("2","9","6","2","2","10","1") = "9"
    & skf18("2","9","6","2","3","1","1") = "8"
    & skf18("2","9","6","2","3","2","1") = "8"
    & skf18("2","9","6","2","3","3","1") = "8"
    & skf18("2","9","6","2","3","4","1") = "8"
    & skf18("2","9","6","2","3","5","1") = "8"
    & skf18("2","9","6","2","3","6","1") = "8"
    & skf18("2","9","6","2","3","7","1") = "8"
    & skf18("2","9","6","2","3","8","1") = "8"
    & skf18("2","9","6","2","3","9","1") = "8"
    & skf18("2","9","6","2","3","10","1") = "9"
    & skf18("2","9","6","2","4","1","1") = "8"
    & skf18("2","9","6","2","4","2","1") = "8"
    & skf18("2","9","6","2","4","3","1") = "8"
    & skf18("2","9","6","2","4","4","1") = "8"
    & skf18("2","9","6","2","4","5","1") = "8"
    & skf18("2","9","6","2","4","6","1") = "8"
    & skf18("2","9","6","2","4","7","1") = "8"
    & skf18("2","9","6","2","4","8","1") = "8"
    & skf18("2","9","6","2","4","9","1") = "8"
    & skf18("2","9","6","2","4","10","1") = "9"
    & skf18("2","9","6","2","5","1","1") = "8"
    & skf18("2","9","6","2","5","2","1") = "8"
    & skf18("2","9","6","2","5","3","1") = "8"
    & skf18("2","9","6","2","5","4","1") = "8"
    & skf18("2","9","6","2","5","5","1") = "8"
    & skf18("2","9","6","2","5","6","1") = "8"
    & skf18("2","9","6","2","5","7","1") = "8"
    & skf18("2","9","6","2","5","8","1") = "8"
    & skf18("2","9","6","2","5","9","1") = "8"
    & skf18("2","9","6","2","5","10","1") = "9"
    & skf18("2","9","6","2","6","1","1") = "8"
    & skf18("2","9","6","2","6","2","1") = "8"
    & skf18("2","9","6","2","6","3","1") = "8"
    & skf18("2","9","6","2","6","4","1") = "8"
    & skf18("2","9","6","2","6","5","1") = "8"
    & skf18("2","9","6","2","6","6","1") = "8"
    & skf18("2","9","6","2","6","7","1") = "8"
    & skf18("2","9","6","2","6","8","1") = "8"
    & skf18("2","9","6","2","6","9","1") = "8"
    & skf18("2","9","6","2","6","10","1") = "9"
    & skf18("2","9","6","2","7","1","1") = "8"
    & skf18("2","9","6","2","7","2","1") = "8"
    & skf18("2","9","6","2","7","3","1") = "8"
    & skf18("2","9","6","2","7","4","1") = "8"
    & skf18("2","9","6","2","7","5","1") = "8"
    & skf18("2","9","6","2","7","6","1") = "8"
    & skf18("2","9","6","2","7","7","1") = "8"
    & skf18("2","9","6","2","7","8","1") = "8"
    & skf18("2","9","6","2","7","9","1") = "8"
    & skf18("2","9","6","2","7","10","1") = "9"
    & skf18("2","9","6","2","8","1","1") = "8"
    & skf18("2","9","6","2","8","2","1") = "8"
    & skf18("2","9","6","2","8","3","1") = "8"
    & skf18("2","9","6","2","8","4","1") = "8"
    & skf18("2","9","6","2","8","5","1") = "8"
    & skf18("2","9","6","2","8","6","1") = "8"
    & skf18("2","9","6","2","8","7","1") = "8"
    & skf18("2","9","6","2","8","8","1") = "8"
    & skf18("2","9","6","2","8","9","1") = "8"
    & skf18("2","9","6","2","8","10","1") = "9"
    & skf18("2","9","6","2","9","1","1") = "8"
    & skf18("2","9","6","2","9","2","1") = "8"
    & skf18("2","9","6","2","9","3","1") = "8"
    & skf18("2","9","6","2","9","4","1") = "8"
    & skf18("2","9","6","2","9","5","1") = "8"
    & skf18("2","9","6","2","9","6","1") = "8"
    & skf18("2","9","6","2","9","7","1") = "8"
    & skf18("2","9","6","2","9","8","1") = "8"
    & skf18("2","9","6","2","9","9","1") = "8"
    & skf18("2","9","6","2","9","10","1") = "9"
    & skf18("2","9","6","2","10","1","1") = "9"
    & skf18("2","9","6","2","10","2","1") = "9"
    & skf18("2","9","6","2","10","3","1") = "9"
    & skf18("2","9","6","2","10","4","1") = "9"
    & skf18("2","9","6","2","10","5","1") = "9"
    & skf18("2","9","6","2","10","6","1") = "9"
    & skf18("2","9","6","2","10","7","1") = "9"
    & skf18("2","9","6","2","10","8","1") = "9"
    & skf18("2","9","6","2","10","9","1") = "9"
    & skf18("2","9","6","2","10","10","1") = "9"
    & skf18("2","9","6","3","1","1","1") = "8"
    & skf18("2","9","6","3","1","2","1") = "8"
    & skf18("2","9","6","3","1","3","1") = "8"
    & skf18("2","9","6","3","1","4","1") = "8"
    & skf18("2","9","6","3","1","5","1") = "8"
    & skf18("2","9","6","3","1","6","1") = "8"
    & skf18("2","9","6","3","1","7","1") = "8"
    & skf18("2","9","6","3","1","8","1") = "8"
    & skf18("2","9","6","3","1","9","1") = "8"
    & skf18("2","9","6","3","1","10","1") = "9"
    & skf18("2","9","6","3","2","1","1") = "8"
    & skf18("2","9","6","3","2","2","1") = "8"
    & skf18("2","9","6","3","2","3","1") = "8"
    & skf18("2","9","6","3","2","4","1") = "8"
    & skf18("2","9","6","3","2","5","1") = "8"
    & skf18("2","9","6","3","2","6","1") = "8"
    & skf18("2","9","6","3","2","7","1") = "8"
    & skf18("2","9","6","3","2","8","1") = "8"
    & skf18("2","9","6","3","2","9","1") = "8"
    & skf18("2","9","6","3","2","10","1") = "9"
    & skf18("2","9","6","3","3","1","1") = "8"
    & skf18("2","9","6","3","3","2","1") = "8"
    & skf18("2","9","6","3","3","3","1") = "8"
    & skf18("2","9","6","3","3","4","1") = "8"
    & skf18("2","9","6","3","3","5","1") = "8"
    & skf18("2","9","6","3","3","6","1") = "8"
    & skf18("2","9","6","3","3","7","1") = "8"
    & skf18("2","9","6","3","3","8","1") = "8"
    & skf18("2","9","6","3","3","9","1") = "8"
    & skf18("2","9","6","3","3","10","1") = "9"
    & skf18("2","9","6","3","4","1","1") = "8"
    & skf18("2","9","6","3","4","2","1") = "8"
    & skf18("2","9","6","3","4","3","1") = "8"
    & skf18("2","9","6","3","4","4","1") = "8"
    & skf18("2","9","6","3","4","5","1") = "8"
    & skf18("2","9","6","3","4","6","1") = "8"
    & skf18("2","9","6","3","4","7","1") = "8"
    & skf18("2","9","6","3","4","8","1") = "8"
    & skf18("2","9","6","3","4","9","1") = "8"
    & skf18("2","9","6","3","4","10","1") = "9"
    & skf18("2","9","6","3","5","1","1") = "8"
    & skf18("2","9","6","3","5","2","1") = "8"
    & skf18("2","9","6","3","5","3","1") = "8"
    & skf18("2","9","6","3","5","4","1") = "8"
    & skf18("2","9","6","3","5","5","1") = "8"
    & skf18("2","9","6","3","5","6","1") = "8"
    & skf18("2","9","6","3","5","7","1") = "8"
    & skf18("2","9","6","3","5","8","1") = "8"
    & skf18("2","9","6","3","5","9","1") = "8"
    & skf18("2","9","6","3","5","10","1") = "9"
    & skf18("2","9","6","3","6","1","1") = "8"
    & skf18("2","9","6","3","6","2","1") = "8"
    & skf18("2","9","6","3","6","3","1") = "8"
    & skf18("2","9","6","3","6","4","1") = "8"
    & skf18("2","9","6","3","6","5","1") = "8"
    & skf18("2","9","6","3","6","6","1") = "8"
    & skf18("2","9","6","3","6","7","1") = "8"
    & skf18("2","9","6","3","6","8","1") = "8"
    & skf18("2","9","6","3","6","9","1") = "8"
    & skf18("2","9","6","3","6","10","1") = "9"
    & skf18("2","9","6","3","7","1","1") = "8"
    & skf18("2","9","6","3","7","2","1") = "8"
    & skf18("2","9","6","3","7","3","1") = "8"
    & skf18("2","9","6","3","7","4","1") = "8"
    & skf18("2","9","6","3","7","5","1") = "8"
    & skf18("2","9","6","3","7","6","1") = "8"
    & skf18("2","9","6","3","7","7","1") = "8"
    & skf18("2","9","6","3","7","8","1") = "8"
    & skf18("2","9","6","3","7","9","1") = "8"
    & skf18("2","9","6","3","7","10","1") = "9"
    & skf18("2","9","6","3","8","1","1") = "8"
    & skf18("2","9","6","3","8","2","1") = "8"
    & skf18("2","9","6","3","8","3","1") = "8"
    & skf18("2","9","6","3","8","4","1") = "8"
    & skf18("2","9","6","3","8","5","1") = "8"
    & skf18("2","9","6","3","8","6","1") = "8"
    & skf18("2","9","6","3","8","7","1") = "8"
    & skf18("2","9","6","3","8","8","1") = "8"
    & skf18("2","9","6","3","8","9","1") = "8"
    & skf18("2","9","6","3","8","10","1") = "9"
    & skf18("2","9","6","3","9","1","1") = "8"
    & skf18("2","9","6","3","9","2","1") = "8"
    & skf18("2","9","6","3","9","3","1") = "8"
    & skf18("2","9","6","3","9","4","1") = "8"
    & skf18("2","9","6","3","9","5","1") = "8"
    & skf18("2","9","6","3","9","6","1") = "8"
    & skf18("2","9","6","3","9","7","1") = "8"
    & skf18("2","9","6","3","9","8","1") = "8"
    & skf18("2","9","6","3","9","9","1") = "8"
    & skf18("2","9","6","3","9","10","1") = "9"
    & skf18("2","9","6","3","10","1","1") = "9"
    & skf18("2","9","6","3","10","2","1") = "9"
    & skf18("2","9","6","3","10","3","1") = "9"
    & skf18("2","9","6","3","10","4","1") = "9"
    & skf18("2","9","6","3","10","5","1") = "9"
    & skf18("2","9","6","3","10","6","1") = "9"
    & skf18("2","9","6","3","10","7","1") = "9"
    & skf18("2","9","6","3","10","8","1") = "9"
    & skf18("2","9","6","3","10","9","1") = "9"
    & skf18("2","9","6","3","10","10","1") = "9"
    & skf18("2","9","6","4","1","1","1") = "8"
    & skf18("2","9","6","4","1","2","1") = "8"
    & skf18("2","9","6","4","1","3","1") = "8"
    & skf18("2","9","6","4","1","4","1") = "8"
    & skf18("2","9","6","4","1","5","1") = "8"
    & skf18("2","9","6","4","1","6","1") = "8"
    & skf18("2","9","6","4","1","7","1") = "8"
    & skf18("2","9","6","4","1","8","1") = "8"
    & skf18("2","9","6","4","1","9","1") = "8"
    & skf18("2","9","6","4","1","10","1") = "9"
    & skf18("2","9","6","4","2","1","1") = "8"
    & skf18("2","9","6","4","2","2","1") = "8"
    & skf18("2","9","6","4","2","3","1") = "8"
    & skf18("2","9","6","4","2","4","1") = "8"
    & skf18("2","9","6","4","2","5","1") = "8"
    & skf18("2","9","6","4","2","6","1") = "8"
    & skf18("2","9","6","4","2","7","1") = "8"
    & skf18("2","9","6","4","2","8","1") = "8"
    & skf18("2","9","6","4","2","9","1") = "8"
    & skf18("2","9","6","4","2","10","1") = "9"
    & skf18("2","9","6","4","3","1","1") = "8"
    & skf18("2","9","6","4","3","2","1") = "8"
    & skf18("2","9","6","4","3","3","1") = "8"
    & skf18("2","9","6","4","3","4","1") = "8"
    & skf18("2","9","6","4","3","5","1") = "8"
    & skf18("2","9","6","4","3","6","1") = "8"
    & skf18("2","9","6","4","3","7","1") = "8"
    & skf18("2","9","6","4","3","8","1") = "8"
    & skf18("2","9","6","4","3","9","1") = "8"
    & skf18("2","9","6","4","3","10","1") = "9"
    & skf18("2","9","6","4","4","1","1") = "8"
    & skf18("2","9","6","4","4","2","1") = "8"
    & skf18("2","9","6","4","4","3","1") = "8"
    & skf18("2","9","6","4","4","4","1") = "8"
    & skf18("2","9","6","4","4","5","1") = "8"
    & skf18("2","9","6","4","4","6","1") = "8"
    & skf18("2","9","6","4","4","7","1") = "8"
    & skf18("2","9","6","4","4","8","1") = "8"
    & skf18("2","9","6","4","4","9","1") = "8"
    & skf18("2","9","6","4","4","10","1") = "9"
    & skf18("2","9","6","4","5","1","1") = "8"
    & skf18("2","9","6","4","5","2","1") = "8"
    & skf18("2","9","6","4","5","3","1") = "8"
    & skf18("2","9","6","4","5","4","1") = "8"
    & skf18("2","9","6","4","5","5","1") = "8"
    & skf18("2","9","6","4","5","6","1") = "8"
    & skf18("2","9","6","4","5","7","1") = "8"
    & skf18("2","9","6","4","5","8","1") = "8"
    & skf18("2","9","6","4","5","9","1") = "8"
    & skf18("2","9","6","4","5","10","1") = "9"
    & skf18("2","9","6","4","6","1","1") = "8"
    & skf18("2","9","6","4","6","2","1") = "8"
    & skf18("2","9","6","4","6","3","1") = "8"
    & skf18("2","9","6","4","6","4","1") = "8"
    & skf18("2","9","6","4","6","5","1") = "8"
    & skf18("2","9","6","4","6","6","1") = "8"
    & skf18("2","9","6","4","6","7","1") = "8"
    & skf18("2","9","6","4","6","8","1") = "8"
    & skf18("2","9","6","4","6","9","1") = "8"
    & skf18("2","9","6","4","6","10","1") = "9"
    & skf18("2","9","6","4","7","1","1") = "8"
    & skf18("2","9","6","4","7","2","1") = "8"
    & skf18("2","9","6","4","7","3","1") = "8"
    & skf18("2","9","6","4","7","4","1") = "8"
    & skf18("2","9","6","4","7","5","1") = "8"
    & skf18("2","9","6","4","7","6","1") = "8"
    & skf18("2","9","6","4","7","7","1") = "8"
    & skf18("2","9","6","4","7","8","1") = "8"
    & skf18("2","9","6","4","7","9","1") = "8"
    & skf18("2","9","6","4","7","10","1") = "9"
    & skf18("2","9","6","4","8","1","1") = "8"
    & skf18("2","9","6","4","8","2","1") = "8"
    & skf18("2","9","6","4","8","3","1") = "8"
    & skf18("2","9","6","4","8","4","1") = "8"
    & skf18("2","9","6","4","8","5","1") = "8"
    & skf18("2","9","6","4","8","6","1") = "8"
    & skf18("2","9","6","4","8","7","1") = "8"
    & skf18("2","9","6","4","8","8","1") = "8"
    & skf18("2","9","6","4","8","9","1") = "8"
    & skf18("2","9","6","4","8","10","1") = "9"
    & skf18("2","9","6","4","9","1","1") = "8"
    & skf18("2","9","6","4","9","2","1") = "8"
    & skf18("2","9","6","4","9","3","1") = "8"
    & skf18("2","9","6","4","9","4","1") = "8"
    & skf18("2","9","6","4","9","5","1") = "8"
    & skf18("2","9","6","4","9","6","1") = "8"
    & skf18("2","9","6","4","9","7","1") = "8"
    & skf18("2","9","6","4","9","8","1") = "8"
    & skf18("2","9","6","4","9","9","1") = "8"
    & skf18("2","9","6","4","9","10","1") = "9"
    & skf18("2","9","6","4","10","1","1") = "9"
    & skf18("2","9","6","4","10","2","1") = "9"
    & skf18("2","9","6","4","10","3","1") = "9"
    & skf18("2","9","6","4","10","4","1") = "9"
    & skf18("2","9","6","4","10","5","1") = "9"
    & skf18("2","9","6","4","10","6","1") = "9"
    & skf18("2","9","6","4","10","7","1") = "9"
    & skf18("2","9","6","4","10","8","1") = "9"
    & skf18("2","9","6","4","10","9","1") = "9"
    & skf18("2","9","6","4","10","10","1") = "9"
    & skf18("2","9","6","5","1","1","1") = "8"
    & skf18("2","9","6","5","1","2","1") = "8"
    & skf18("2","9","6","5","1","3","1") = "8"
    & skf18("2","9","6","5","1","4","1") = "8"
    & skf18("2","9","6","5","1","5","1") = "8"
    & skf18("2","9","6","5","1","6","1") = "8"
    & skf18("2","9","6","5","1","7","1") = "8"
    & skf18("2","9","6","5","1","8","1") = "8"
    & skf18("2","9","6","5","1","9","1") = "8"
    & skf18("2","9","6","5","1","10","1") = "9"
    & skf18("2","9","6","5","2","1","1") = "8"
    & skf18("2","9","6","5","2","2","1") = "8"
    & skf18("2","9","6","5","2","3","1") = "8"
    & skf18("2","9","6","5","2","4","1") = "8"
    & skf18("2","9","6","5","2","5","1") = "8"
    & skf18("2","9","6","5","2","6","1") = "8"
    & skf18("2","9","6","5","2","7","1") = "8"
    & skf18("2","9","6","5","2","8","1") = "8"
    & skf18("2","9","6","5","2","9","1") = "8"
    & skf18("2","9","6","5","2","10","1") = "9"
    & skf18("2","9","6","5","3","1","1") = "8"
    & skf18("2","9","6","5","3","2","1") = "8"
    & skf18("2","9","6","5","3","3","1") = "8"
    & skf18("2","9","6","5","3","4","1") = "8"
    & skf18("2","9","6","5","3","5","1") = "8"
    & skf18("2","9","6","5","3","6","1") = "8"
    & skf18("2","9","6","5","3","7","1") = "8"
    & skf18("2","9","6","5","3","8","1") = "8"
    & skf18("2","9","6","5","3","9","1") = "8"
    & skf18("2","9","6","5","3","10","1") = "9"
    & skf18("2","9","6","5","4","1","1") = "8"
    & skf18("2","9","6","5","4","2","1") = "8"
    & skf18("2","9","6","5","4","3","1") = "8"
    & skf18("2","9","6","5","4","4","1") = "8"
    & skf18("2","9","6","5","4","5","1") = "8"
    & skf18("2","9","6","5","4","6","1") = "8"
    & skf18("2","9","6","5","4","7","1") = "8"
    & skf18("2","9","6","5","4","8","1") = "8"
    & skf18("2","9","6","5","4","9","1") = "8"
    & skf18("2","9","6","5","4","10","1") = "9"
    & skf18("2","9","6","5","5","1","1") = "8"
    & skf18("2","9","6","5","5","2","1") = "8"
    & skf18("2","9","6","5","5","3","1") = "8"
    & skf18("2","9","6","5","5","4","1") = "8"
    & skf18("2","9","6","5","5","5","1") = "8"
    & skf18("2","9","6","5","5","6","1") = "8"
    & skf18("2","9","6","5","5","7","1") = "8"
    & skf18("2","9","6","5","5","8","1") = "8"
    & skf18("2","9","6","5","5","9","1") = "8"
    & skf18("2","9","6","5","5","10","1") = "9"
    & skf18("2","9","6","5","6","1","1") = "8"
    & skf18("2","9","6","5","6","2","1") = "8"
    & skf18("2","9","6","5","6","3","1") = "8"
    & skf18("2","9","6","5","6","4","1") = "8"
    & skf18("2","9","6","5","6","5","1") = "8"
    & skf18("2","9","6","5","6","6","1") = "8"
    & skf18("2","9","6","5","6","7","1") = "8"
    & skf18("2","9","6","5","6","8","1") = "8"
    & skf18("2","9","6","5","6","9","1") = "8"
    & skf18("2","9","6","5","6","10","1") = "9"
    & skf18("2","9","6","5","7","1","1") = "8"
    & skf18("2","9","6","5","7","2","1") = "8"
    & skf18("2","9","6","5","7","3","1") = "8"
    & skf18("2","9","6","5","7","4","1") = "8"
    & skf18("2","9","6","5","7","5","1") = "8"
    & skf18("2","9","6","5","7","6","1") = "8"
    & skf18("2","9","6","5","7","7","1") = "8"
    & skf18("2","9","6","5","7","8","1") = "8"
    & skf18("2","9","6","5","7","9","1") = "8"
    & skf18("2","9","6","5","7","10","1") = "9"
    & skf18("2","9","6","5","8","1","1") = "8"
    & skf18("2","9","6","5","8","2","1") = "8"
    & skf18("2","9","6","5","8","3","1") = "8"
    & skf18("2","9","6","5","8","4","1") = "8"
    & skf18("2","9","6","5","8","5","1") = "8"
    & skf18("2","9","6","5","8","6","1") = "8"
    & skf18("2","9","6","5","8","7","1") = "8"
    & skf18("2","9","6","5","8","8","1") = "8"
    & skf18("2","9","6","5","8","9","1") = "8"
    & skf18("2","9","6","5","8","10","1") = "9"
    & skf18("2","9","6","5","9","1","1") = "8"
    & skf18("2","9","6","5","9","2","1") = "8"
    & skf18("2","9","6","5","9","3","1") = "8"
    & skf18("2","9","6","5","9","4","1") = "8"
    & skf18("2","9","6","5","9","5","1") = "8"
    & skf18("2","9","6","5","9","6","1") = "8"
    & skf18("2","9","6","5","9","7","1") = "8"
    & skf18("2","9","6","5","9","8","1") = "8"
    & skf18("2","9","6","5","9","9","1") = "8"
    & skf18("2","9","6","5","9","10","1") = "9"
    & skf18("2","9","6","5","10","1","1") = "9"
    & skf18("2","9","6","5","10","2","1") = "9"
    & skf18("2","9","6","5","10","3","1") = "9"
    & skf18("2","9","6","5","10","4","1") = "9"
    & skf18("2","9","6","5","10","5","1") = "9"
    & skf18("2","9","6","5","10","6","1") = "9"
    & skf18("2","9","6","5","10","7","1") = "9"
    & skf18("2","9","6","5","10","8","1") = "9"
    & skf18("2","9","6","5","10","9","1") = "9"
    & skf18("2","9","6","5","10","10","1") = "9"
    & skf18("2","9","6","6","1","1","1") = "8"
    & skf18("2","9","6","6","1","2","1") = "8"
    & skf18("2","9","6","6","1","3","1") = "8"
    & skf18("2","9","6","6","1","4","1") = "8"
    & skf18("2","9","6","6","1","5","1") = "8"
    & skf18("2","9","6","6","1","6","1") = "8"
    & skf18("2","9","6","6","1","7","1") = "8"
    & skf18("2","9","6","6","1","8","1") = "8"
    & skf18("2","9","6","6","1","9","1") = "8"
    & skf18("2","9","6","6","1","10","1") = "9"
    & skf18("2","9","6","6","2","1","1") = "8"
    & skf18("2","9","6","6","2","2","1") = "8"
    & skf18("2","9","6","6","2","3","1") = "8"
    & skf18("2","9","6","6","2","4","1") = "8"
    & skf18("2","9","6","6","2","5","1") = "8"
    & skf18("2","9","6","6","2","6","1") = "8"
    & skf18("2","9","6","6","2","7","1") = "8"
    & skf18("2","9","6","6","2","8","1") = "8"
    & skf18("2","9","6","6","2","9","1") = "8"
    & skf18("2","9","6","6","2","10","1") = "9"
    & skf18("2","9","6","6","3","1","1") = "8"
    & skf18("2","9","6","6","3","2","1") = "8"
    & skf18("2","9","6","6","3","3","1") = "8"
    & skf18("2","9","6","6","3","4","1") = "8"
    & skf18("2","9","6","6","3","5","1") = "8"
    & skf18("2","9","6","6","3","6","1") = "8"
    & skf18("2","9","6","6","3","7","1") = "8"
    & skf18("2","9","6","6","3","8","1") = "8"
    & skf18("2","9","6","6","3","9","1") = "8"
    & skf18("2","9","6","6","3","10","1") = "9"
    & skf18("2","9","6","6","4","1","1") = "8"
    & skf18("2","9","6","6","4","2","1") = "8"
    & skf18("2","9","6","6","4","3","1") = "8"
    & skf18("2","9","6","6","4","4","1") = "8"
    & skf18("2","9","6","6","4","5","1") = "8"
    & skf18("2","9","6","6","4","6","1") = "8"
    & skf18("2","9","6","6","4","7","1") = "8"
    & skf18("2","9","6","6","4","8","1") = "8"
    & skf18("2","9","6","6","4","9","1") = "8"
    & skf18("2","9","6","6","4","10","1") = "9"
    & skf18("2","9","6","6","5","1","1") = "8"
    & skf18("2","9","6","6","5","2","1") = "8"
    & skf18("2","9","6","6","5","3","1") = "8"
    & skf18("2","9","6","6","5","4","1") = "8"
    & skf18("2","9","6","6","5","5","1") = "8"
    & skf18("2","9","6","6","5","6","1") = "8"
    & skf18("2","9","6","6","5","7","1") = "8"
    & skf18("2","9","6","6","5","8","1") = "8"
    & skf18("2","9","6","6","5","9","1") = "8"
    & skf18("2","9","6","6","5","10","1") = "9"
    & skf18("2","9","6","6","6","1","1") = "8"
    & skf18("2","9","6","6","6","2","1") = "8"
    & skf18("2","9","6","6","6","3","1") = "8"
    & skf18("2","9","6","6","6","4","1") = "8"
    & skf18("2","9","6","6","6","5","1") = "8"
    & skf18("2","9","6","6","6","6","1") = "8"
    & skf18("2","9","6","6","6","7","1") = "8"
    & skf18("2","9","6","6","6","8","1") = "8"
    & skf18("2","9","6","6","6","9","1") = "8"
    & skf18("2","9","6","6","6","10","1") = "9"
    & skf18("2","9","6","6","7","1","1") = "8"
    & skf18("2","9","6","6","7","2","1") = "8"
    & skf18("2","9","6","6","7","3","1") = "8"
    & skf18("2","9","6","6","7","4","1") = "8"
    & skf18("2","9","6","6","7","5","1") = "8"
    & skf18("2","9","6","6","7","6","1") = "8"
    & skf18("2","9","6","6","7","7","1") = "8"
    & skf18("2","9","6","6","7","8","1") = "8"
    & skf18("2","9","6","6","7","9","1") = "8"
    & skf18("2","9","6","6","7","10","1") = "9"
    & skf18("2","9","6","6","8","1","1") = "8"
    & skf18("2","9","6","6","8","2","1") = "8"
    & skf18("2","9","6","6","8","3","1") = "8"
    & skf18("2","9","6","6","8","4","1") = "8"
    & skf18("2","9","6","6","8","5","1") = "8"
    & skf18("2","9","6","6","8","6","1") = "8"
    & skf18("2","9","6","6","8","7","1") = "8"
    & skf18("2","9","6","6","8","8","1") = "8"
    & skf18("2","9","6","6","8","9","1") = "8"
    & skf18("2","9","6","6","8","10","1") = "9"
    & skf18("2","9","6","6","9","1","1") = "8"
    & skf18("2","9","6","6","9","2","1") = "8"
    & skf18("2","9","6","6","9","3","1") = "8"
    & skf18("2","9","6","6","9","4","1") = "8"
    & skf18("2","9","6","6","9","5","1") = "8"
    & skf18("2","9","6","6","9","6","1") = "8"
    & skf18("2","9","6","6","9","7","1") = "8"
    & skf18("2","9","6","6","9","8","1") = "8"
    & skf18("2","9","6","6","9","9","1") = "8"
    & skf18("2","9","6","6","9","10","1") = "9"
    & skf18("2","9","6","6","10","1","1") = "9"
    & skf18("2","9","6","6","10","2","1") = "9"
    & skf18("2","9","6","6","10","3","1") = "9"
    & skf18("2","9","6","6","10","4","1") = "9"
    & skf18("2","9","6","6","10","5","1") = "9"
    & skf18("2","9","6","6","10","6","1") = "9"
    & skf18("2","9","6","6","10","7","1") = "9"
    & skf18("2","9","6","6","10","8","1") = "9"
    & skf18("2","9","6","6","10","9","1") = "9"
    & skf18("2","9","6","6","10","10","1") = "9"
    & skf18("2","9","6","7","1","1","1") = "8"
    & skf18("2","9","6","7","1","2","1") = "8"
    & skf18("2","9","6","7","1","3","1") = "8"
    & skf18("2","9","6","7","1","4","1") = "8"
    & skf18("2","9","6","7","1","5","1") = "8"
    & skf18("2","9","6","7","1","6","1") = "8"
    & skf18("2","9","6","7","1","7","1") = "8"
    & skf18("2","9","6","7","1","8","1") = "8"
    & skf18("2","9","6","7","1","9","1") = "8"
    & skf18("2","9","6","7","1","10","1") = "9"
    & skf18("2","9","6","7","2","1","1") = "8"
    & skf18("2","9","6","7","2","2","1") = "8"
    & skf18("2","9","6","7","2","3","1") = "8"
    & skf18("2","9","6","7","2","4","1") = "8"
    & skf18("2","9","6","7","2","5","1") = "8"
    & skf18("2","9","6","7","2","6","1") = "8"
    & skf18("2","9","6","7","2","7","1") = "8"
    & skf18("2","9","6","7","2","8","1") = "8"
    & skf18("2","9","6","7","2","9","1") = "8"
    & skf18("2","9","6","7","2","10","1") = "9"
    & skf18("2","9","6","7","3","1","1") = "8"
    & skf18("2","9","6","7","3","2","1") = "8"
    & skf18("2","9","6","7","3","3","1") = "8"
    & skf18("2","9","6","7","3","4","1") = "8"
    & skf18("2","9","6","7","3","5","1") = "8"
    & skf18("2","9","6","7","3","6","1") = "8"
    & skf18("2","9","6","7","3","7","1") = "8"
    & skf18("2","9","6","7","3","8","1") = "8"
    & skf18("2","9","6","7","3","9","1") = "8"
    & skf18("2","9","6","7","3","10","1") = "9"
    & skf18("2","9","6","7","4","1","1") = "8"
    & skf18("2","9","6","7","4","2","1") = "8"
    & skf18("2","9","6","7","4","3","1") = "8"
    & skf18("2","9","6","7","4","4","1") = "8"
    & skf18("2","9","6","7","4","5","1") = "8"
    & skf18("2","9","6","7","4","6","1") = "8"
    & skf18("2","9","6","7","4","7","1") = "8"
    & skf18("2","9","6","7","4","8","1") = "8"
    & skf18("2","9","6","7","4","9","1") = "8"
    & skf18("2","9","6","7","4","10","1") = "9"
    & skf18("2","9","6","7","5","1","1") = "8"
    & skf18("2","9","6","7","5","2","1") = "8"
    & skf18("2","9","6","7","5","3","1") = "8"
    & skf18("2","9","6","7","5","4","1") = "8"
    & skf18("2","9","6","7","5","5","1") = "8"
    & skf18("2","9","6","7","5","6","1") = "8"
    & skf18("2","9","6","7","5","7","1") = "8"
    & skf18("2","9","6","7","5","8","1") = "8"
    & skf18("2","9","6","7","5","9","1") = "8"
    & skf18("2","9","6","7","5","10","1") = "9"
    & skf18("2","9","6","7","6","1","1") = "8"
    & skf18("2","9","6","7","6","2","1") = "8"
    & skf18("2","9","6","7","6","3","1") = "8"
    & skf18("2","9","6","7","6","4","1") = "8"
    & skf18("2","9","6","7","6","5","1") = "8"
    & skf18("2","9","6","7","6","6","1") = "8"
    & skf18("2","9","6","7","6","7","1") = "8"
    & skf18("2","9","6","7","6","8","1") = "8"
    & skf18("2","9","6","7","6","9","1") = "8"
    & skf18("2","9","6","7","6","10","1") = "9"
    & skf18("2","9","6","7","7","1","1") = "8"
    & skf18("2","9","6","7","7","2","1") = "8"
    & skf18("2","9","6","7","7","3","1") = "8"
    & skf18("2","9","6","7","7","4","1") = "8"
    & skf18("2","9","6","7","7","5","1") = "8"
    & skf18("2","9","6","7","7","6","1") = "8"
    & skf18("2","9","6","7","7","7","1") = "8"
    & skf18("2","9","6","7","7","8","1") = "8"
    & skf18("2","9","6","7","7","9","1") = "8"
    & skf18("2","9","6","7","7","10","1") = "9"
    & skf18("2","9","6","7","8","1","1") = "8"
    & skf18("2","9","6","7","8","2","1") = "8"
    & skf18("2","9","6","7","8","3","1") = "8"
    & skf18("2","9","6","7","8","4","1") = "8"
    & skf18("2","9","6","7","8","5","1") = "8"
    & skf18("2","9","6","7","8","6","1") = "8"
    & skf18("2","9","6","7","8","7","1") = "8"
    & skf18("2","9","6","7","8","8","1") = "8"
    & skf18("2","9","6","7","8","9","1") = "8"
    & skf18("2","9","6","7","8","10","1") = "9"
    & skf18("2","9","6","7","9","1","1") = "8"
    & skf18("2","9","6","7","9","2","1") = "8"
    & skf18("2","9","6","7","9","3","1") = "8"
    & skf18("2","9","6","7","9","4","1") = "8"
    & skf18("2","9","6","7","9","5","1") = "8"
    & skf18("2","9","6","7","9","6","1") = "8"
    & skf18("2","9","6","7","9","7","1") = "8"
    & skf18("2","9","6","7","9","8","1") = "8"
    & skf18("2","9","6","7","9","9","1") = "8"
    & skf18("2","9","6","7","9","10","1") = "9"
    & skf18("2","9","6","7","10","1","1") = "9"
    & skf18("2","9","6","7","10","2","1") = "9"
    & skf18("2","9","6","7","10","3","1") = "9"
    & skf18("2","9","6","7","10","4","1") = "9"
    & skf18("2","9","6","7","10","5","1") = "9"
    & skf18("2","9","6","7","10","6","1") = "9"
    & skf18("2","9","6","7","10","7","1") = "9"
    & skf18("2","9","6","7","10","8","1") = "9"
    & skf18("2","9","6","7","10","9","1") = "9"
    & skf18("2","9","6","7","10","10","1") = "9"
    & skf18("2","9","6","8","1","1","1") = "8"
    & skf18("2","9","6","8","1","2","1") = "8"
    & skf18("2","9","6","8","1","3","1") = "8"
    & skf18("2","9","6","8","1","4","1") = "8"
    & skf18("2","9","6","8","1","5","1") = "8"
    & skf18("2","9","6","8","1","6","1") = "8"
    & skf18("2","9","6","8","1","7","1") = "8"
    & skf18("2","9","6","8","1","8","1") = "8"
    & skf18("2","9","6","8","1","9","1") = "8"
    & skf18("2","9","6","8","1","10","1") = "9"
    & skf18("2","9","6","8","2","1","1") = "8"
    & skf18("2","9","6","8","2","2","1") = "8"
    & skf18("2","9","6","8","2","3","1") = "8"
    & skf18("2","9","6","8","2","4","1") = "8"
    & skf18("2","9","6","8","2","5","1") = "8"
    & skf18("2","9","6","8","2","6","1") = "8"
    & skf18("2","9","6","8","2","7","1") = "8"
    & skf18("2","9","6","8","2","8","1") = "8"
    & skf18("2","9","6","8","2","9","1") = "8"
    & skf18("2","9","6","8","2","10","1") = "9"
    & skf18("2","9","6","8","3","1","1") = "8"
    & skf18("2","9","6","8","3","2","1") = "8"
    & skf18("2","9","6","8","3","3","1") = "8"
    & skf18("2","9","6","8","3","4","1") = "8"
    & skf18("2","9","6","8","3","5","1") = "8"
    & skf18("2","9","6","8","3","6","1") = "8"
    & skf18("2","9","6","8","3","7","1") = "8"
    & skf18("2","9","6","8","3","8","1") = "8"
    & skf18("2","9","6","8","3","9","1") = "8"
    & skf18("2","9","6","8","3","10","1") = "9"
    & skf18("2","9","6","8","4","1","1") = "8"
    & skf18("2","9","6","8","4","2","1") = "8"
    & skf18("2","9","6","8","4","3","1") = "8"
    & skf18("2","9","6","8","4","4","1") = "8"
    & skf18("2","9","6","8","4","5","1") = "8"
    & skf18("2","9","6","8","4","6","1") = "8"
    & skf18("2","9","6","8","4","7","1") = "8"
    & skf18("2","9","6","8","4","8","1") = "8"
    & skf18("2","9","6","8","4","9","1") = "8"
    & skf18("2","9","6","8","4","10","1") = "9"
    & skf18("2","9","6","8","5","1","1") = "8"
    & skf18("2","9","6","8","5","2","1") = "8"
    & skf18("2","9","6","8","5","3","1") = "8"
    & skf18("2","9","6","8","5","4","1") = "8"
    & skf18("2","9","6","8","5","5","1") = "8"
    & skf18("2","9","6","8","5","6","1") = "8"
    & skf18("2","9","6","8","5","7","1") = "8"
    & skf18("2","9","6","8","5","8","1") = "8"
    & skf18("2","9","6","8","5","9","1") = "8"
    & skf18("2","9","6","8","5","10","1") = "9"
    & skf18("2","9","6","8","6","1","1") = "8"
    & skf18("2","9","6","8","6","2","1") = "8"
    & skf18("2","9","6","8","6","3","1") = "8"
    & skf18("2","9","6","8","6","4","1") = "8"
    & skf18("2","9","6","8","6","5","1") = "8"
    & skf18("2","9","6","8","6","6","1") = "8"
    & skf18("2","9","6","8","6","7","1") = "8"
    & skf18("2","9","6","8","6","8","1") = "8"
    & skf18("2","9","6","8","6","9","1") = "8"
    & skf18("2","9","6","8","6","10","1") = "9"
    & skf18("2","9","6","8","7","1","1") = "8"
    & skf18("2","9","6","8","7","2","1") = "8"
    & skf18("2","9","6","8","7","3","1") = "8"
    & skf18("2","9","6","8","7","4","1") = "8"
    & skf18("2","9","6","8","7","5","1") = "8"
    & skf18("2","9","6","8","7","6","1") = "8"
    & skf18("2","9","6","8","7","7","1") = "8"
    & skf18("2","9","6","8","7","8","1") = "8"
    & skf18("2","9","6","8","7","9","1") = "8"
    & skf18("2","9","6","8","7","10","1") = "9"
    & skf18("2","9","6","8","8","1","1") = "8"
    & skf18("2","9","6","8","8","2","1") = "8"
    & skf18("2","9","6","8","8","3","1") = "8"
    & skf18("2","9","6","8","8","4","1") = "8"
    & skf18("2","9","6","8","8","5","1") = "8"
    & skf18("2","9","6","8","8","6","1") = "8"
    & skf18("2","9","6","8","8","7","1") = "8"
    & skf18("2","9","6","8","8","8","1") = "8"
    & skf18("2","9","6","8","8","9","1") = "8"
    & skf18("2","9","6","8","8","10","1") = "9"
    & skf18("2","9","6","8","9","1","1") = "8"
    & skf18("2","9","6","8","9","2","1") = "8"
    & skf18("2","9","6","8","9","3","1") = "8"
    & skf18("2","9","6","8","9","4","1") = "8"
    & skf18("2","9","6","8","9","5","1") = "8"
    & skf18("2","9","6","8","9","6","1") = "8"
    & skf18("2","9","6","8","9","7","1") = "8"
    & skf18("2","9","6","8","9","8","1") = "8"
    & skf18("2","9","6","8","9","9","1") = "8"
    & skf18("2","9","6","8","9","10","1") = "9"
    & skf18("2","9","6","8","10","1","1") = "9"
    & skf18("2","9","6","8","10","2","1") = "9"
    & skf18("2","9","6","8","10","3","1") = "9"
    & skf18("2","9","6","8","10","4","1") = "9"
    & skf18("2","9","6","8","10","5","1") = "9"
    & skf18("2","9","6","8","10","6","1") = "9"
    & skf18("2","9","6","8","10","7","1") = "9"
    & skf18("2","9","6","8","10","8","1") = "9"
    & skf18("2","9","6","8","10","9","1") = "9"
    & skf18("2","9","6","8","10","10","1") = "9"
    & skf18("2","9","6","9","1","1","1") = "8"
    & skf18("2","9","6","9","1","2","1") = "8"
    & skf18("2","9","6","9","1","3","1") = "8"
    & skf18("2","9","6","9","1","4","1") = "8"
    & skf18("2","9","6","9","1","5","1") = "8"
    & skf18("2","9","6","9","1","6","1") = "8"
    & skf18("2","9","6","9","1","7","1") = "8"
    & skf18("2","9","6","9","1","8","1") = "8"
    & skf18("2","9","6","9","1","9","1") = "8"
    & skf18("2","9","6","9","1","10","1") = "9"
    & skf18("2","9","6","9","2","1","1") = "8"
    & skf18("2","9","6","9","2","2","1") = "8"
    & skf18("2","9","6","9","2","3","1") = "8"
    & skf18("2","9","6","9","2","4","1") = "8"
    & skf18("2","9","6","9","2","5","1") = "8"
    & skf18("2","9","6","9","2","6","1") = "8"
    & skf18("2","9","6","9","2","7","1") = "8"
    & skf18("2","9","6","9","2","8","1") = "8"
    & skf18("2","9","6","9","2","9","1") = "8"
    & skf18("2","9","6","9","2","10","1") = "9"
    & skf18("2","9","6","9","3","1","1") = "8"
    & skf18("2","9","6","9","3","2","1") = "8"
    & skf18("2","9","6","9","3","3","1") = "8"
    & skf18("2","9","6","9","3","4","1") = "8"
    & skf18("2","9","6","9","3","5","1") = "8"
    & skf18("2","9","6","9","3","6","1") = "8"
    & skf18("2","9","6","9","3","7","1") = "8"
    & skf18("2","9","6","9","3","8","1") = "8"
    & skf18("2","9","6","9","3","9","1") = "8"
    & skf18("2","9","6","9","3","10","1") = "9"
    & skf18("2","9","6","9","4","1","1") = "8"
    & skf18("2","9","6","9","4","2","1") = "8"
    & skf18("2","9","6","9","4","3","1") = "8"
    & skf18("2","9","6","9","4","4","1") = "8"
    & skf18("2","9","6","9","4","5","1") = "8"
    & skf18("2","9","6","9","4","6","1") = "8"
    & skf18("2","9","6","9","4","7","1") = "8"
    & skf18("2","9","6","9","4","8","1") = "8"
    & skf18("2","9","6","9","4","9","1") = "8"
    & skf18("2","9","6","9","4","10","1") = "9"
    & skf18("2","9","6","9","5","1","1") = "8"
    & skf18("2","9","6","9","5","2","1") = "8"
    & skf18("2","9","6","9","5","3","1") = "8"
    & skf18("2","9","6","9","5","4","1") = "8"
    & skf18("2","9","6","9","5","5","1") = "8"
    & skf18("2","9","6","9","5","6","1") = "8"
    & skf18("2","9","6","9","5","7","1") = "8"
    & skf18("2","9","6","9","5","8","1") = "8"
    & skf18("2","9","6","9","5","9","1") = "8"
    & skf18("2","9","6","9","5","10","1") = "9"
    & skf18("2","9","6","9","6","1","1") = "8"
    & skf18("2","9","6","9","6","2","1") = "8"
    & skf18("2","9","6","9","6","3","1") = "8"
    & skf18("2","9","6","9","6","4","1") = "8"
    & skf18("2","9","6","9","6","5","1") = "8"
    & skf18("2","9","6","9","6","6","1") = "8"
    & skf18("2","9","6","9","6","7","1") = "8"
    & skf18("2","9","6","9","6","8","1") = "8"
    & skf18("2","9","6","9","6","9","1") = "8"
    & skf18("2","9","6","9","6","10","1") = "9"
    & skf18("2","9","6","9","7","1","1") = "8"
    & skf18("2","9","6","9","7","2","1") = "8"
    & skf18("2","9","6","9","7","3","1") = "8"
    & skf18("2","9","6","9","7","4","1") = "8"
    & skf18("2","9","6","9","7","5","1") = "8"
    & skf18("2","9","6","9","7","6","1") = "8"
    & skf18("2","9","6","9","7","7","1") = "8"
    & skf18("2","9","6","9","7","8","1") = "8"
    & skf18("2","9","6","9","7","9","1") = "8"
    & skf18("2","9","6","9","7","10","1") = "9"
    & skf18("2","9","6","9","8","1","1") = "8"
    & skf18("2","9","6","9","8","2","1") = "8"
    & skf18("2","9","6","9","8","3","1") = "8"
    & skf18("2","9","6","9","8","4","1") = "8"
    & skf18("2","9","6","9","8","5","1") = "8"
    & skf18("2","9","6","9","8","6","1") = "8"
    & skf18("2","9","6","9","8","7","1") = "8"
    & skf18("2","9","6","9","8","8","1") = "8"
    & skf18("2","9","6","9","8","9","1") = "8"
    & skf18("2","9","6","9","8","10","1") = "9"
    & skf18("2","9","6","9","9","1","1") = "8"
    & skf18("2","9","6","9","9","2","1") = "8"
    & skf18("2","9","6","9","9","3","1") = "8"
    & skf18("2","9","6","9","9","4","1") = "8"
    & skf18("2","9","6","9","9","5","1") = "8"
    & skf18("2","9","6","9","9","6","1") = "8"
    & skf18("2","9","6","9","9","7","1") = "8"
    & skf18("2","9","6","9","9","8","1") = "8"
    & skf18("2","9","6","9","9","9","1") = "8"
    & skf18("2","9","6","9","9","10","1") = "9"
    & skf18("2","9","6","9","10","1","1") = "9"
    & skf18("2","9","6","9","10","2","1") = "9"
    & skf18("2","9","6","9","10","3","1") = "9"
    & skf18("2","9","6","9","10","4","1") = "9"
    & skf18("2","9","6","9","10","5","1") = "9"
    & skf18("2","9","6","9","10","6","1") = "9"
    & skf18("2","9","6","9","10","7","1") = "9"
    & skf18("2","9","6","9","10","8","1") = "9"
    & skf18("2","9","6","9","10","9","1") = "9"
    & skf18("2","9","6","9","10","10","1") = "9"
    & skf18("2","9","6","10","1","1","1") = "9"
    & skf18("2","9","6","10","1","2","1") = "9"
    & skf18("2","9","6","10","1","3","1") = "9"
    & skf18("2","9","6","10","1","4","1") = "9"
    & skf18("2","9","6","10","1","5","1") = "9"
    & skf18("2","9","6","10","1","6","1") = "9"
    & skf18("2","9","6","10","1","7","1") = "9"
    & skf18("2","9","6","10","1","8","1") = "9"
    & skf18("2","9","6","10","1","9","1") = "9"
    & skf18("2","9","6","10","1","10","1") = "9"
    & skf18("2","9","6","10","2","1","1") = "9"
    & skf18("2","9","6","10","2","2","1") = "9"
    & skf18("2","9","6","10","2","3","1") = "9"
    & skf18("2","9","6","10","2","4","1") = "9"
    & skf18("2","9","6","10","2","5","1") = "9"
    & skf18("2","9","6","10","2","6","1") = "9"
    & skf18("2","9","6","10","2","7","1") = "9"
    & skf18("2","9","6","10","2","8","1") = "9"
    & skf18("2","9","6","10","2","9","1") = "9"
    & skf18("2","9","6","10","2","10","1") = "9"
    & skf18("2","9","6","10","3","1","1") = "9"
    & skf18("2","9","6","10","3","2","1") = "9"
    & skf18("2","9","6","10","3","3","1") = "9"
    & skf18("2","9","6","10","3","4","1") = "9"
    & skf18("2","9","6","10","3","5","1") = "9"
    & skf18("2","9","6","10","3","6","1") = "9"
    & skf18("2","9","6","10","3","7","1") = "9"
    & skf18("2","9","6","10","3","8","1") = "9"
    & skf18("2","9","6","10","3","9","1") = "9"
    & skf18("2","9","6","10","3","10","1") = "9"
    & skf18("2","9","6","10","4","1","1") = "9"
    & skf18("2","9","6","10","4","2","1") = "9"
    & skf18("2","9","6","10","4","3","1") = "9"
    & skf18("2","9","6","10","4","4","1") = "9"
    & skf18("2","9","6","10","4","5","1") = "9"
    & skf18("2","9","6","10","4","6","1") = "9"
    & skf18("2","9","6","10","4","7","1") = "9"
    & skf18("2","9","6","10","4","8","1") = "9"
    & skf18("2","9","6","10","4","9","1") = "9"
    & skf18("2","9","6","10","4","10","1") = "9"
    & skf18("2","9","6","10","5","1","1") = "9"
    & skf18("2","9","6","10","5","2","1") = "9"
    & skf18("2","9","6","10","5","3","1") = "9"
    & skf18("2","9","6","10","5","4","1") = "9"
    & skf18("2","9","6","10","5","5","1") = "9"
    & skf18("2","9","6","10","5","6","1") = "9"
    & skf18("2","9","6","10","5","7","1") = "9"
    & skf18("2","9","6","10","5","8","1") = "9"
    & skf18("2","9","6","10","5","9","1") = "9"
    & skf18("2","9","6","10","5","10","1") = "9"
    & skf18("2","9","6","10","6","1","1") = "9"
    & skf18("2","9","6","10","6","2","1") = "9"
    & skf18("2","9","6","10","6","3","1") = "9"
    & skf18("2","9","6","10","6","4","1") = "9"
    & skf18("2","9","6","10","6","5","1") = "9"
    & skf18("2","9","6","10","6","6","1") = "9"
    & skf18("2","9","6","10","6","7","1") = "9"
    & skf18("2","9","6","10","6","8","1") = "9"
    & skf18("2","9","6","10","6","9","1") = "9"
    & skf18("2","9","6","10","6","10","1") = "9"
    & skf18("2","9","6","10","7","1","1") = "9"
    & skf18("2","9","6","10","7","2","1") = "9"
    & skf18("2","9","6","10","7","3","1") = "9"
    & skf18("2","9","6","10","7","4","1") = "9"
    & skf18("2","9","6","10","7","5","1") = "9"
    & skf18("2","9","6","10","7","6","1") = "9"
    & skf18("2","9","6","10","7","7","1") = "9"
    & skf18("2","9","6","10","7","8","1") = "9"
    & skf18("2","9","6","10","7","9","1") = "9"
    & skf18("2","9","6","10","7","10","1") = "9"
    & skf18("2","9","6","10","8","1","1") = "9"
    & skf18("2","9","6","10","8","2","1") = "9"
    & skf18("2","9","6","10","8","3","1") = "9"
    & skf18("2","9","6","10","8","4","1") = "9"
    & skf18("2","9","6","10","8","5","1") = "9"
    & skf18("2","9","6","10","8","6","1") = "9"
    & skf18("2","9","6","10","8","7","1") = "9"
    & skf18("2","9","6","10","8","8","1") = "9"
    & skf18("2","9","6","10","8","9","1") = "9"
    & skf18("2","9","6","10","8","10","1") = "9"
    & skf18("2","9","6","10","9","1","1") = "9"
    & skf18("2","9","6","10","9","2","1") = "9"
    & skf18("2","9","6","10","9","3","1") = "9"
    & skf18("2","9","6","10","9","4","1") = "9"
    & skf18("2","9","6","10","9","5","1") = "9"
    & skf18("2","9","6","10","9","6","1") = "9"
    & skf18("2","9","6","10","9","7","1") = "9"
    & skf18("2","9","6","10","9","8","1") = "9"
    & skf18("2","9","6","10","9","9","1") = "9"
    & skf18("2","9","6","10","9","10","1") = "9"
    & skf18("2","9","6","10","10","1","1") = "9"
    & skf18("2","9","6","10","10","2","1") = "9"
    & skf18("2","9","6","10","10","3","1") = "9"
    & skf18("2","9","6","10","10","4","1") = "9"
    & skf18("2","9","6","10","10","5","1") = "9"
    & skf18("2","9","6","10","10","6","1") = "9"
    & skf18("2","9","6","10","10","7","1") = "9"
    & skf18("2","9","6","10","10","8","1") = "9"
    & skf18("2","9","6","10","10","9","1") = "9"
    & skf18("2","9","6","10","10","10","1") = "9"
    & skf18("2","9","7","1","1","1","1") = "8"
    & skf18("2","9","7","1","1","2","1") = "8"
    & skf18("2","9","7","1","1","3","1") = "8"
    & skf18("2","9","7","1","1","4","1") = "8"
    & skf18("2","9","7","1","1","5","1") = "8"
    & skf18("2","9","7","1","1","6","1") = "8"
    & skf18("2","9","7","1","1","7","1") = "8"
    & skf18("2","9","7","1","1","8","1") = "8"
    & skf18("2","9","7","1","1","9","1") = "8"
    & skf18("2","9","7","1","1","10","1") = "9"
    & skf18("2","9","7","1","2","1","1") = "8"
    & skf18("2","9","7","1","2","2","1") = "8"
    & skf18("2","9","7","1","2","3","1") = "8"
    & skf18("2","9","7","1","2","4","1") = "8"
    & skf18("2","9","7","1","2","5","1") = "8"
    & skf18("2","9","7","1","2","6","1") = "8"
    & skf18("2","9","7","1","2","7","1") = "8"
    & skf18("2","9","7","1","2","8","1") = "8"
    & skf18("2","9","7","1","2","9","1") = "8"
    & skf18("2","9","7","1","2","10","1") = "9"
    & skf18("2","9","7","1","3","1","1") = "8"
    & skf18("2","9","7","1","3","2","1") = "8"
    & skf18("2","9","7","1","3","3","1") = "8"
    & skf18("2","9","7","1","3","4","1") = "8"
    & skf18("2","9","7","1","3","5","1") = "8"
    & skf18("2","9","7","1","3","6","1") = "8"
    & skf18("2","9","7","1","3","7","1") = "8"
    & skf18("2","9","7","1","3","8","1") = "8"
    & skf18("2","9","7","1","3","9","1") = "8"
    & skf18("2","9","7","1","3","10","1") = "9"
    & skf18("2","9","7","1","4","1","1") = "8"
    & skf18("2","9","7","1","4","2","1") = "8"
    & skf18("2","9","7","1","4","3","1") = "8"
    & skf18("2","9","7","1","4","4","1") = "8"
    & skf18("2","9","7","1","4","5","1") = "8"
    & skf18("2","9","7","1","4","6","1") = "8"
    & skf18("2","9","7","1","4","7","1") = "8"
    & skf18("2","9","7","1","4","8","1") = "8"
    & skf18("2","9","7","1","4","9","1") = "8"
    & skf18("2","9","7","1","4","10","1") = "9"
    & skf18("2","9","7","1","5","1","1") = "8"
    & skf18("2","9","7","1","5","2","1") = "8"
    & skf18("2","9","7","1","5","3","1") = "8"
    & skf18("2","9","7","1","5","4","1") = "8"
    & skf18("2","9","7","1","5","5","1") = "8"
    & skf18("2","9","7","1","5","6","1") = "8"
    & skf18("2","9","7","1","5","7","1") = "8"
    & skf18("2","9","7","1","5","8","1") = "8"
    & skf18("2","9","7","1","5","9","1") = "8"
    & skf18("2","9","7","1","5","10","1") = "9"
    & skf18("2","9","7","1","6","1","1") = "8"
    & skf18("2","9","7","1","6","2","1") = "8"
    & skf18("2","9","7","1","6","3","1") = "8"
    & skf18("2","9","7","1","6","4","1") = "8"
    & skf18("2","9","7","1","6","5","1") = "8"
    & skf18("2","9","7","1","6","6","1") = "8"
    & skf18("2","9","7","1","6","7","1") = "8"
    & skf18("2","9","7","1","6","8","1") = "8"
    & skf18("2","9","7","1","6","9","1") = "8"
    & skf18("2","9","7","1","6","10","1") = "9"
    & skf18("2","9","7","1","7","1","1") = "8"
    & skf18("2","9","7","1","7","2","1") = "8"
    & skf18("2","9","7","1","7","3","1") = "8"
    & skf18("2","9","7","1","7","4","1") = "8"
    & skf18("2","9","7","1","7","5","1") = "8"
    & skf18("2","9","7","1","7","6","1") = "8"
    & skf18("2","9","7","1","7","7","1") = "8"
    & skf18("2","9","7","1","7","8","1") = "8"
    & skf18("2","9","7","1","7","9","1") = "8"
    & skf18("2","9","7","1","7","10","1") = "9"
    & skf18("2","9","7","1","8","1","1") = "8"
    & skf18("2","9","7","1","8","2","1") = "8"
    & skf18("2","9","7","1","8","3","1") = "8"
    & skf18("2","9","7","1","8","4","1") = "8"
    & skf18("2","9","7","1","8","5","1") = "8"
    & skf18("2","9","7","1","8","6","1") = "8"
    & skf18("2","9","7","1","8","7","1") = "8"
    & skf18("2","9","7","1","8","8","1") = "8"
    & skf18("2","9","7","1","8","9","1") = "8"
    & skf18("2","9","7","1","8","10","1") = "9"
    & skf18("2","9","7","1","9","1","1") = "8"
    & skf18("2","9","7","1","9","2","1") = "8"
    & skf18("2","9","7","1","9","3","1") = "8"
    & skf18("2","9","7","1","9","4","1") = "8"
    & skf18("2","9","7","1","9","5","1") = "8"
    & skf18("2","9","7","1","9","6","1") = "8"
    & skf18("2","9","7","1","9","7","1") = "8"
    & skf18("2","9","7","1","9","8","1") = "8"
    & skf18("2","9","7","1","9","9","1") = "8"
    & skf18("2","9","7","1","9","10","1") = "9"
    & skf18("2","9","7","1","10","1","1") = "9"
    & skf18("2","9","7","1","10","2","1") = "9"
    & skf18("2","9","7","1","10","3","1") = "9"
    & skf18("2","9","7","1","10","4","1") = "9"
    & skf18("2","9","7","1","10","5","1") = "9"
    & skf18("2","9","7","1","10","6","1") = "9"
    & skf18("2","9","7","1","10","7","1") = "9"
    & skf18("2","9","7","1","10","8","1") = "9"
    & skf18("2","9","7","1","10","9","1") = "9"
    & skf18("2","9","7","1","10","10","1") = "9"
    & skf18("2","9","7","2","1","1","1") = "8"
    & skf18("2","9","7","2","1","2","1") = "8"
    & skf18("2","9","7","2","1","3","1") = "8"
    & skf18("2","9","7","2","1","4","1") = "8"
    & skf18("2","9","7","2","1","5","1") = "8"
    & skf18("2","9","7","2","1","6","1") = "8"
    & skf18("2","9","7","2","1","7","1") = "8"
    & skf18("2","9","7","2","1","8","1") = "8"
    & skf18("2","9","7","2","1","9","1") = "8"
    & skf18("2","9","7","2","1","10","1") = "9"
    & skf18("2","9","7","2","2","1","1") = "8"
    & skf18("2","9","7","2","2","2","1") = "8"
    & skf18("2","9","7","2","2","3","1") = "8"
    & skf18("2","9","7","2","2","4","1") = "8"
    & skf18("2","9","7","2","2","5","1") = "8"
    & skf18("2","9","7","2","2","6","1") = "8"
    & skf18("2","9","7","2","2","7","1") = "8"
    & skf18("2","9","7","2","2","8","1") = "8"
    & skf18("2","9","7","2","2","9","1") = "8"
    & skf18("2","9","7","2","2","10","1") = "9"
    & skf18("2","9","7","2","3","1","1") = "8"
    & skf18("2","9","7","2","3","2","1") = "8"
    & skf18("2","9","7","2","3","3","1") = "8"
    & skf18("2","9","7","2","3","4","1") = "8"
    & skf18("2","9","7","2","3","5","1") = "8"
    & skf18("2","9","7","2","3","6","1") = "8"
    & skf18("2","9","7","2","3","7","1") = "8"
    & skf18("2","9","7","2","3","8","1") = "8"
    & skf18("2","9","7","2","3","9","1") = "8"
    & skf18("2","9","7","2","3","10","1") = "9"
    & skf18("2","9","7","2","4","1","1") = "8"
    & skf18("2","9","7","2","4","2","1") = "8"
    & skf18("2","9","7","2","4","3","1") = "8"
    & skf18("2","9","7","2","4","4","1") = "8"
    & skf18("2","9","7","2","4","5","1") = "8"
    & skf18("2","9","7","2","4","6","1") = "8"
    & skf18("2","9","7","2","4","7","1") = "8"
    & skf18("2","9","7","2","4","8","1") = "8"
    & skf18("2","9","7","2","4","9","1") = "8"
    & skf18("2","9","7","2","4","10","1") = "9"
    & skf18("2","9","7","2","5","1","1") = "8"
    & skf18("2","9","7","2","5","2","1") = "8"
    & skf18("2","9","7","2","5","3","1") = "8"
    & skf18("2","9","7","2","5","4","1") = "8"
    & skf18("2","9","7","2","5","5","1") = "8"
    & skf18("2","9","7","2","5","6","1") = "8"
    & skf18("2","9","7","2","5","7","1") = "8"
    & skf18("2","9","7","2","5","8","1") = "8"
    & skf18("2","9","7","2","5","9","1") = "8"
    & skf18("2","9","7","2","5","10","1") = "9"
    & skf18("2","9","7","2","6","1","1") = "8"
    & skf18("2","9","7","2","6","2","1") = "8"
    & skf18("2","9","7","2","6","3","1") = "8"
    & skf18("2","9","7","2","6","4","1") = "8"
    & skf18("2","9","7","2","6","5","1") = "8"
    & skf18("2","9","7","2","6","6","1") = "8"
    & skf18("2","9","7","2","6","7","1") = "8"
    & skf18("2","9","7","2","6","8","1") = "8"
    & skf18("2","9","7","2","6","9","1") = "8"
    & skf18("2","9","7","2","6","10","1") = "9"
    & skf18("2","9","7","2","7","1","1") = "8"
    & skf18("2","9","7","2","7","2","1") = "8"
    & skf18("2","9","7","2","7","3","1") = "8"
    & skf18("2","9","7","2","7","4","1") = "8"
    & skf18("2","9","7","2","7","5","1") = "8"
    & skf18("2","9","7","2","7","6","1") = "8"
    & skf18("2","9","7","2","7","7","1") = "8"
    & skf18("2","9","7","2","7","8","1") = "8"
    & skf18("2","9","7","2","7","9","1") = "8"
    & skf18("2","9","7","2","7","10","1") = "9"
    & skf18("2","9","7","2","8","1","1") = "8"
    & skf18("2","9","7","2","8","2","1") = "8"
    & skf18("2","9","7","2","8","3","1") = "8"
    & skf18("2","9","7","2","8","4","1") = "8"
    & skf18("2","9","7","2","8","5","1") = "8"
    & skf18("2","9","7","2","8","6","1") = "8"
    & skf18("2","9","7","2","8","7","1") = "8"
    & skf18("2","9","7","2","8","8","1") = "8"
    & skf18("2","9","7","2","8","9","1") = "8"
    & skf18("2","9","7","2","8","10","1") = "9"
    & skf18("2","9","7","2","9","1","1") = "8"
    & skf18("2","9","7","2","9","2","1") = "8"
    & skf18("2","9","7","2","9","3","1") = "8"
    & skf18("2","9","7","2","9","4","1") = "8"
    & skf18("2","9","7","2","9","5","1") = "8"
    & skf18("2","9","7","2","9","6","1") = "8"
    & skf18("2","9","7","2","9","7","1") = "8"
    & skf18("2","9","7","2","9","8","1") = "8"
    & skf18("2","9","7","2","9","9","1") = "8"
    & skf18("2","9","7","2","9","10","1") = "9"
    & skf18("2","9","7","2","10","1","1") = "9"
    & skf18("2","9","7","2","10","2","1") = "9"
    & skf18("2","9","7","2","10","3","1") = "9"
    & skf18("2","9","7","2","10","4","1") = "9"
    & skf18("2","9","7","2","10","5","1") = "9"
    & skf18("2","9","7","2","10","6","1") = "9"
    & skf18("2","9","7","2","10","7","1") = "9"
    & skf18("2","9","7","2","10","8","1") = "9"
    & skf18("2","9","7","2","10","9","1") = "9"
    & skf18("2","9","7","2","10","10","1") = "9"
    & skf18("2","9","7","3","1","1","1") = "8"
    & skf18("2","9","7","3","1","2","1") = "8"
    & skf18("2","9","7","3","1","3","1") = "8"
    & skf18("2","9","7","3","1","4","1") = "8"
    & skf18("2","9","7","3","1","5","1") = "8"
    & skf18("2","9","7","3","1","6","1") = "8"
    & skf18("2","9","7","3","1","7","1") = "8"
    & skf18("2","9","7","3","1","8","1") = "8"
    & skf18("2","9","7","3","1","9","1") = "8"
    & skf18("2","9","7","3","1","10","1") = "9"
    & skf18("2","9","7","3","2","1","1") = "8"
    & skf18("2","9","7","3","2","2","1") = "8"
    & skf18("2","9","7","3","2","3","1") = "8"
    & skf18("2","9","7","3","2","4","1") = "8"
    & skf18("2","9","7","3","2","5","1") = "8"
    & skf18("2","9","7","3","2","6","1") = "8"
    & skf18("2","9","7","3","2","7","1") = "8"
    & skf18("2","9","7","3","2","8","1") = "8"
    & skf18("2","9","7","3","2","9","1") = "8"
    & skf18("2","9","7","3","2","10","1") = "9"
    & skf18("2","9","7","3","3","1","1") = "8"
    & skf18("2","9","7","3","3","2","1") = "8"
    & skf18("2","9","7","3","3","3","1") = "8"
    & skf18("2","9","7","3","3","4","1") = "8"
    & skf18("2","9","7","3","3","5","1") = "8"
    & skf18("2","9","7","3","3","6","1") = "8"
    & skf18("2","9","7","3","3","7","1") = "8"
    & skf18("2","9","7","3","3","8","1") = "8"
    & skf18("2","9","7","3","3","9","1") = "8"
    & skf18("2","9","7","3","3","10","1") = "9"
    & skf18("2","9","7","3","4","1","1") = "8"
    & skf18("2","9","7","3","4","2","1") = "8"
    & skf18("2","9","7","3","4","3","1") = "8"
    & skf18("2","9","7","3","4","4","1") = "8"
    & skf18("2","9","7","3","4","5","1") = "8"
    & skf18("2","9","7","3","4","6","1") = "8"
    & skf18("2","9","7","3","4","7","1") = "8"
    & skf18("2","9","7","3","4","8","1") = "8"
    & skf18("2","9","7","3","4","9","1") = "8"
    & skf18("2","9","7","3","4","10","1") = "9"
    & skf18("2","9","7","3","5","1","1") = "8"
    & skf18("2","9","7","3","5","2","1") = "8"
    & skf18("2","9","7","3","5","3","1") = "8"
    & skf18("2","9","7","3","5","4","1") = "8"
    & skf18("2","9","7","3","5","5","1") = "8"
    & skf18("2","9","7","3","5","6","1") = "8"
    & skf18("2","9","7","3","5","7","1") = "8"
    & skf18("2","9","7","3","5","8","1") = "8"
    & skf18("2","9","7","3","5","9","1") = "8"
    & skf18("2","9","7","3","5","10","1") = "9"
    & skf18("2","9","7","3","6","1","1") = "8"
    & skf18("2","9","7","3","6","2","1") = "8"
    & skf18("2","9","7","3","6","3","1") = "8"
    & skf18("2","9","7","3","6","4","1") = "8"
    & skf18("2","9","7","3","6","5","1") = "8"
    & skf18("2","9","7","3","6","6","1") = "8"
    & skf18("2","9","7","3","6","7","1") = "8"
    & skf18("2","9","7","3","6","8","1") = "8"
    & skf18("2","9","7","3","6","9","1") = "8"
    & skf18("2","9","7","3","6","10","1") = "9"
    & skf18("2","9","7","3","7","1","1") = "8"
    & skf18("2","9","7","3","7","2","1") = "8"
    & skf18("2","9","7","3","7","3","1") = "8"
    & skf18("2","9","7","3","7","4","1") = "8"
    & skf18("2","9","7","3","7","5","1") = "8"
    & skf18("2","9","7","3","7","6","1") = "8"
    & skf18("2","9","7","3","7","7","1") = "8"
    & skf18("2","9","7","3","7","8","1") = "8"
    & skf18("2","9","7","3","7","9","1") = "8"
    & skf18("2","9","7","3","7","10","1") = "9"
    & skf18("2","9","7","3","8","1","1") = "8"
    & skf18("2","9","7","3","8","2","1") = "8"
    & skf18("2","9","7","3","8","3","1") = "8"
    & skf18("2","9","7","3","8","4","1") = "8"
    & skf18("2","9","7","3","8","5","1") = "8"
    & skf18("2","9","7","3","8","6","1") = "8"
    & skf18("2","9","7","3","8","7","1") = "8"
    & skf18("2","9","7","3","8","8","1") = "8"
    & skf18("2","9","7","3","8","9","1") = "8"
    & skf18("2","9","7","3","8","10","1") = "9"
    & skf18("2","9","7","3","9","1","1") = "8"
    & skf18("2","9","7","3","9","2","1") = "8"
    & skf18("2","9","7","3","9","3","1") = "8"
    & skf18("2","9","7","3","9","4","1") = "8"
    & skf18("2","9","7","3","9","5","1") = "8"
    & skf18("2","9","7","3","9","6","1") = "8"
    & skf18("2","9","7","3","9","7","1") = "8"
    & skf18("2","9","7","3","9","8","1") = "8"
    & skf18("2","9","7","3","9","9","1") = "8"
    & skf18("2","9","7","3","9","10","1") = "9"
    & skf18("2","9","7","3","10","1","1") = "9"
    & skf18("2","9","7","3","10","2","1") = "9"
    & skf18("2","9","7","3","10","3","1") = "9"
    & skf18("2","9","7","3","10","4","1") = "9"
    & skf18("2","9","7","3","10","5","1") = "9"
    & skf18("2","9","7","3","10","6","1") = "9"
    & skf18("2","9","7","3","10","7","1") = "9"
    & skf18("2","9","7","3","10","8","1") = "9"
    & skf18("2","9","7","3","10","9","1") = "9"
    & skf18("2","9","7","3","10","10","1") = "9"
    & skf18("2","9","7","4","1","1","1") = "8"
    & skf18("2","9","7","4","1","2","1") = "8"
    & skf18("2","9","7","4","1","3","1") = "8"
    & skf18("2","9","7","4","1","4","1") = "8"
    & skf18("2","9","7","4","1","5","1") = "8"
    & skf18("2","9","7","4","1","6","1") = "8"
    & skf18("2","9","7","4","1","7","1") = "8"
    & skf18("2","9","7","4","1","8","1") = "8"
    & skf18("2","9","7","4","1","9","1") = "8"
    & skf18("2","9","7","4","1","10","1") = "9"
    & skf18("2","9","7","4","2","1","1") = "8"
    & skf18("2","9","7","4","2","2","1") = "8"
    & skf18("2","9","7","4","2","3","1") = "8"
    & skf18("2","9","7","4","2","4","1") = "8"
    & skf18("2","9","7","4","2","5","1") = "8"
    & skf18("2","9","7","4","2","6","1") = "8"
    & skf18("2","9","7","4","2","7","1") = "8"
    & skf18("2","9","7","4","2","8","1") = "8"
    & skf18("2","9","7","4","2","9","1") = "8"
    & skf18("2","9","7","4","2","10","1") = "9"
    & skf18("2","9","7","4","3","1","1") = "8"
    & skf18("2","9","7","4","3","2","1") = "8"
    & skf18("2","9","7","4","3","3","1") = "8"
    & skf18("2","9","7","4","3","4","1") = "8"
    & skf18("2","9","7","4","3","5","1") = "8"
    & skf18("2","9","7","4","3","6","1") = "8"
    & skf18("2","9","7","4","3","7","1") = "8"
    & skf18("2","9","7","4","3","8","1") = "8"
    & skf18("2","9","7","4","3","9","1") = "8"
    & skf18("2","9","7","4","3","10","1") = "9"
    & skf18("2","9","7","4","4","1","1") = "8"
    & skf18("2","9","7","4","4","2","1") = "8"
    & skf18("2","9","7","4","4","3","1") = "8"
    & skf18("2","9","7","4","4","4","1") = "8"
    & skf18("2","9","7","4","4","5","1") = "8"
    & skf18("2","9","7","4","4","6","1") = "8"
    & skf18("2","9","7","4","4","7","1") = "8"
    & skf18("2","9","7","4","4","8","1") = "8"
    & skf18("2","9","7","4","4","9","1") = "8"
    & skf18("2","9","7","4","4","10","1") = "9"
    & skf18("2","9","7","4","5","1","1") = "8"
    & skf18("2","9","7","4","5","2","1") = "8"
    & skf18("2","9","7","4","5","3","1") = "8"
    & skf18("2","9","7","4","5","4","1") = "8"
    & skf18("2","9","7","4","5","5","1") = "8"
    & skf18("2","9","7","4","5","6","1") = "8"
    & skf18("2","9","7","4","5","7","1") = "8"
    & skf18("2","9","7","4","5","8","1") = "8"
    & skf18("2","9","7","4","5","9","1") = "8"
    & skf18("2","9","7","4","5","10","1") = "9"
    & skf18("2","9","7","4","6","1","1") = "8"
    & skf18("2","9","7","4","6","2","1") = "8"
    & skf18("2","9","7","4","6","3","1") = "8"
    & skf18("2","9","7","4","6","4","1") = "8"
    & skf18("2","9","7","4","6","5","1") = "8"
    & skf18("2","9","7","4","6","6","1") = "8"
    & skf18("2","9","7","4","6","7","1") = "8"
    & skf18("2","9","7","4","6","8","1") = "8"
    & skf18("2","9","7","4","6","9","1") = "8"
    & skf18("2","9","7","4","6","10","1") = "9"
    & skf18("2","9","7","4","7","1","1") = "8"
    & skf18("2","9","7","4","7","2","1") = "8"
    & skf18("2","9","7","4","7","3","1") = "8"
    & skf18("2","9","7","4","7","4","1") = "8"
    & skf18("2","9","7","4","7","5","1") = "8"
    & skf18("2","9","7","4","7","6","1") = "8"
    & skf18("2","9","7","4","7","7","1") = "8"
    & skf18("2","9","7","4","7","8","1") = "8"
    & skf18("2","9","7","4","7","9","1") = "8"
    & skf18("2","9","7","4","7","10","1") = "9"
    & skf18("2","9","7","4","8","1","1") = "8"
    & skf18("2","9","7","4","8","2","1") = "8"
    & skf18("2","9","7","4","8","3","1") = "8"
    & skf18("2","9","7","4","8","4","1") = "8"
    & skf18("2","9","7","4","8","5","1") = "8"
    & skf18("2","9","7","4","8","6","1") = "8"
    & skf18("2","9","7","4","8","7","1") = "8"
    & skf18("2","9","7","4","8","8","1") = "8"
    & skf18("2","9","7","4","8","9","1") = "8"
    & skf18("2","9","7","4","8","10","1") = "9"
    & skf18("2","9","7","4","9","1","1") = "8"
    & skf18("2","9","7","4","9","2","1") = "8"
    & skf18("2","9","7","4","9","3","1") = "8"
    & skf18("2","9","7","4","9","4","1") = "8"
    & skf18("2","9","7","4","9","5","1") = "8"
    & skf18("2","9","7","4","9","6","1") = "8"
    & skf18("2","9","7","4","9","7","1") = "8"
    & skf18("2","9","7","4","9","8","1") = "8"
    & skf18("2","9","7","4","9","9","1") = "8"
    & skf18("2","9","7","4","9","10","1") = "9"
    & skf18("2","9","7","4","10","1","1") = "9"
    & skf18("2","9","7","4","10","2","1") = "9"
    & skf18("2","9","7","4","10","3","1") = "9"
    & skf18("2","9","7","4","10","4","1") = "9"
    & skf18("2","9","7","4","10","5","1") = "9"
    & skf18("2","9","7","4","10","6","1") = "9"
    & skf18("2","9","7","4","10","7","1") = "9"
    & skf18("2","9","7","4","10","8","1") = "9"
    & skf18("2","9","7","4","10","9","1") = "9"
    & skf18("2","9","7","4","10","10","1") = "9"
    & skf18("2","9","7","5","1","1","1") = "8"
    & skf18("2","9","7","5","1","2","1") = "8"
    & skf18("2","9","7","5","1","3","1") = "8"
    & skf18("2","9","7","5","1","4","1") = "8"
    & skf18("2","9","7","5","1","5","1") = "8"
    & skf18("2","9","7","5","1","6","1") = "8"
    & skf18("2","9","7","5","1","7","1") = "8"
    & skf18("2","9","7","5","1","8","1") = "8"
    & skf18("2","9","7","5","1","9","1") = "8"
    & skf18("2","9","7","5","1","10","1") = "9"
    & skf18("2","9","7","5","2","1","1") = "8"
    & skf18("2","9","7","5","2","2","1") = "8"
    & skf18("2","9","7","5","2","3","1") = "8"
    & skf18("2","9","7","5","2","4","1") = "8"
    & skf18("2","9","7","5","2","5","1") = "8"
    & skf18("2","9","7","5","2","6","1") = "8"
    & skf18("2","9","7","5","2","7","1") = "8"
    & skf18("2","9","7","5","2","8","1") = "8"
    & skf18("2","9","7","5","2","9","1") = "8"
    & skf18("2","9","7","5","2","10","1") = "9"
    & skf18("2","9","7","5","3","1","1") = "8"
    & skf18("2","9","7","5","3","2","1") = "8"
    & skf18("2","9","7","5","3","3","1") = "8"
    & skf18("2","9","7","5","3","4","1") = "8"
    & skf18("2","9","7","5","3","5","1") = "8"
    & skf18("2","9","7","5","3","6","1") = "8"
    & skf18("2","9","7","5","3","7","1") = "8"
    & skf18("2","9","7","5","3","8","1") = "8"
    & skf18("2","9","7","5","3","9","1") = "8"
    & skf18("2","9","7","5","3","10","1") = "9"
    & skf18("2","9","7","5","4","1","1") = "8"
    & skf18("2","9","7","5","4","2","1") = "8"
    & skf18("2","9","7","5","4","3","1") = "8"
    & skf18("2","9","7","5","4","4","1") = "8"
    & skf18("2","9","7","5","4","5","1") = "8"
    & skf18("2","9","7","5","4","6","1") = "8"
    & skf18("2","9","7","5","4","7","1") = "8"
    & skf18("2","9","7","5","4","8","1") = "8"
    & skf18("2","9","7","5","4","9","1") = "8"
    & skf18("2","9","7","5","4","10","1") = "9"
    & skf18("2","9","7","5","5","1","1") = "8"
    & skf18("2","9","7","5","5","2","1") = "8"
    & skf18("2","9","7","5","5","3","1") = "8"
    & skf18("2","9","7","5","5","4","1") = "8"
    & skf18("2","9","7","5","5","5","1") = "8"
    & skf18("2","9","7","5","5","6","1") = "8"
    & skf18("2","9","7","5","5","7","1") = "8"
    & skf18("2","9","7","5","5","8","1") = "8"
    & skf18("2","9","7","5","5","9","1") = "8"
    & skf18("2","9","7","5","5","10","1") = "9"
    & skf18("2","9","7","5","6","1","1") = "8"
    & skf18("2","9","7","5","6","2","1") = "8"
    & skf18("2","9","7","5","6","3","1") = "8"
    & skf18("2","9","7","5","6","4","1") = "8"
    & skf18("2","9","7","5","6","5","1") = "8"
    & skf18("2","9","7","5","6","6","1") = "8"
    & skf18("2","9","7","5","6","7","1") = "8"
    & skf18("2","9","7","5","6","8","1") = "8"
    & skf18("2","9","7","5","6","9","1") = "8"
    & skf18("2","9","7","5","6","10","1") = "9"
    & skf18("2","9","7","5","7","1","1") = "8"
    & skf18("2","9","7","5","7","2","1") = "8"
    & skf18("2","9","7","5","7","3","1") = "8"
    & skf18("2","9","7","5","7","4","1") = "8"
    & skf18("2","9","7","5","7","5","1") = "8"
    & skf18("2","9","7","5","7","6","1") = "8"
    & skf18("2","9","7","5","7","7","1") = "8"
    & skf18("2","9","7","5","7","8","1") = "8"
    & skf18("2","9","7","5","7","9","1") = "8"
    & skf18("2","9","7","5","7","10","1") = "9"
    & skf18("2","9","7","5","8","1","1") = "8"
    & skf18("2","9","7","5","8","2","1") = "8"
    & skf18("2","9","7","5","8","3","1") = "8"
    & skf18("2","9","7","5","8","4","1") = "8"
    & skf18("2","9","7","5","8","5","1") = "8"
    & skf18("2","9","7","5","8","6","1") = "8"
    & skf18("2","9","7","5","8","7","1") = "8"
    & skf18("2","9","7","5","8","8","1") = "8"
    & skf18("2","9","7","5","8","9","1") = "8"
    & skf18("2","9","7","5","8","10","1") = "9"
    & skf18("2","9","7","5","9","1","1") = "8"
    & skf18("2","9","7","5","9","2","1") = "8"
    & skf18("2","9","7","5","9","3","1") = "8"
    & skf18("2","9","7","5","9","4","1") = "8"
    & skf18("2","9","7","5","9","5","1") = "8"
    & skf18("2","9","7","5","9","6","1") = "8"
    & skf18("2","9","7","5","9","7","1") = "8"
    & skf18("2","9","7","5","9","8","1") = "8"
    & skf18("2","9","7","5","9","9","1") = "8"
    & skf18("2","9","7","5","9","10","1") = "9"
    & skf18("2","9","7","5","10","1","1") = "9"
    & skf18("2","9","7","5","10","2","1") = "9"
    & skf18("2","9","7","5","10","3","1") = "9"
    & skf18("2","9","7","5","10","4","1") = "9"
    & skf18("2","9","7","5","10","5","1") = "9"
    & skf18("2","9","7","5","10","6","1") = "9"
    & skf18("2","9","7","5","10","7","1") = "9"
    & skf18("2","9","7","5","10","8","1") = "9"
    & skf18("2","9","7","5","10","9","1") = "9"
    & skf18("2","9","7","5","10","10","1") = "9"
    & skf18("2","9","7","6","1","1","1") = "8"
    & skf18("2","9","7","6","1","2","1") = "8"
    & skf18("2","9","7","6","1","3","1") = "8"
    & skf18("2","9","7","6","1","4","1") = "8"
    & skf18("2","9","7","6","1","5","1") = "8"
    & skf18("2","9","7","6","1","6","1") = "8"
    & skf18("2","9","7","6","1","7","1") = "8"
    & skf18("2","9","7","6","1","8","1") = "8"
    & skf18("2","9","7","6","1","9","1") = "8"
    & skf18("2","9","7","6","1","10","1") = "9"
    & skf18("2","9","7","6","2","1","1") = "8"
    & skf18("2","9","7","6","2","2","1") = "8"
    & skf18("2","9","7","6","2","3","1") = "8"
    & skf18("2","9","7","6","2","4","1") = "8"
    & skf18("2","9","7","6","2","5","1") = "8"
    & skf18("2","9","7","6","2","6","1") = "8"
    & skf18("2","9","7","6","2","7","1") = "8"
    & skf18("2","9","7","6","2","8","1") = "8"
    & skf18("2","9","7","6","2","9","1") = "8"
    & skf18("2","9","7","6","2","10","1") = "9"
    & skf18("2","9","7","6","3","1","1") = "8"
    & skf18("2","9","7","6","3","2","1") = "8"
    & skf18("2","9","7","6","3","3","1") = "8"
    & skf18("2","9","7","6","3","4","1") = "8"
    & skf18("2","9","7","6","3","5","1") = "8"
    & skf18("2","9","7","6","3","6","1") = "8"
    & skf18("2","9","7","6","3","7","1") = "8"
    & skf18("2","9","7","6","3","8","1") = "8"
    & skf18("2","9","7","6","3","9","1") = "8"
    & skf18("2","9","7","6","3","10","1") = "9"
    & skf18("2","9","7","6","4","1","1") = "8"
    & skf18("2","9","7","6","4","2","1") = "8"
    & skf18("2","9","7","6","4","3","1") = "8"
    & skf18("2","9","7","6","4","4","1") = "8"
    & skf18("2","9","7","6","4","5","1") = "8"
    & skf18("2","9","7","6","4","6","1") = "8"
    & skf18("2","9","7","6","4","7","1") = "8"
    & skf18("2","9","7","6","4","8","1") = "8"
    & skf18("2","9","7","6","4","9","1") = "8"
    & skf18("2","9","7","6","4","10","1") = "9"
    & skf18("2","9","7","6","5","1","1") = "8"
    & skf18("2","9","7","6","5","2","1") = "8"
    & skf18("2","9","7","6","5","3","1") = "8"
    & skf18("2","9","7","6","5","4","1") = "8"
    & skf18("2","9","7","6","5","5","1") = "8"
    & skf18("2","9","7","6","5","6","1") = "8"
    & skf18("2","9","7","6","5","7","1") = "8"
    & skf18("2","9","7","6","5","8","1") = "8"
    & skf18("2","9","7","6","5","9","1") = "8"
    & skf18("2","9","7","6","5","10","1") = "9"
    & skf18("2","9","7","6","6","1","1") = "8"
    & skf18("2","9","7","6","6","2","1") = "8"
    & skf18("2","9","7","6","6","3","1") = "8"
    & skf18("2","9","7","6","6","4","1") = "8"
    & skf18("2","9","7","6","6","5","1") = "8"
    & skf18("2","9","7","6","6","6","1") = "8"
    & skf18("2","9","7","6","6","7","1") = "8"
    & skf18("2","9","7","6","6","8","1") = "8"
    & skf18("2","9","7","6","6","9","1") = "8"
    & skf18("2","9","7","6","6","10","1") = "9"
    & skf18("2","9","7","6","7","1","1") = "8"
    & skf18("2","9","7","6","7","2","1") = "8"
    & skf18("2","9","7","6","7","3","1") = "8"
    & skf18("2","9","7","6","7","4","1") = "8"
    & skf18("2","9","7","6","7","5","1") = "8"
    & skf18("2","9","7","6","7","6","1") = "8"
    & skf18("2","9","7","6","7","7","1") = "8"
    & skf18("2","9","7","6","7","8","1") = "8"
    & skf18("2","9","7","6","7","9","1") = "8"
    & skf18("2","9","7","6","7","10","1") = "9"
    & skf18("2","9","7","6","8","1","1") = "8"
    & skf18("2","9","7","6","8","2","1") = "8"
    & skf18("2","9","7","6","8","3","1") = "8"
    & skf18("2","9","7","6","8","4","1") = "8"
    & skf18("2","9","7","6","8","5","1") = "8"
    & skf18("2","9","7","6","8","6","1") = "8"
    & skf18("2","9","7","6","8","7","1") = "8"
    & skf18("2","9","7","6","8","8","1") = "8"
    & skf18("2","9","7","6","8","9","1") = "8"
    & skf18("2","9","7","6","8","10","1") = "9"
    & skf18("2","9","7","6","9","1","1") = "8"
    & skf18("2","9","7","6","9","2","1") = "8"
    & skf18("2","9","7","6","9","3","1") = "8"
    & skf18("2","9","7","6","9","4","1") = "8"
    & skf18("2","9","7","6","9","5","1") = "8"
    & skf18("2","9","7","6","9","6","1") = "8"
    & skf18("2","9","7","6","9","7","1") = "8"
    & skf18("2","9","7","6","9","8","1") = "8"
    & skf18("2","9","7","6","9","9","1") = "8"
    & skf18("2","9","7","6","9","10","1") = "9"
    & skf18("2","9","7","6","10","1","1") = "9"
    & skf18("2","9","7","6","10","2","1") = "9"
    & skf18("2","9","7","6","10","3","1") = "9"
    & skf18("2","9","7","6","10","4","1") = "9"
    & skf18("2","9","7","6","10","5","1") = "9"
    & skf18("2","9","7","6","10","6","1") = "9"
    & skf18("2","9","7","6","10","7","1") = "9"
    & skf18("2","9","7","6","10","8","1") = "9"
    & skf18("2","9","7","6","10","9","1") = "9"
    & skf18("2","9","7","6","10","10","1") = "9"
    & skf18("2","9","7","7","1","1","1") = "8"
    & skf18("2","9","7","7","1","2","1") = "8"
    & skf18("2","9","7","7","1","3","1") = "8"
    & skf18("2","9","7","7","1","4","1") = "8"
    & skf18("2","9","7","7","1","5","1") = "8"
    & skf18("2","9","7","7","1","6","1") = "8"
    & skf18("2","9","7","7","1","7","1") = "8"
    & skf18("2","9","7","7","1","8","1") = "8"
    & skf18("2","9","7","7","1","9","1") = "8"
    & skf18("2","9","7","7","1","10","1") = "9"
    & skf18("2","9","7","7","2","1","1") = "8"
    & skf18("2","9","7","7","2","2","1") = "8"
    & skf18("2","9","7","7","2","3","1") = "8"
    & skf18("2","9","7","7","2","4","1") = "8"
    & skf18("2","9","7","7","2","5","1") = "8"
    & skf18("2","9","7","7","2","6","1") = "8"
    & skf18("2","9","7","7","2","7","1") = "8"
    & skf18("2","9","7","7","2","8","1") = "8"
    & skf18("2","9","7","7","2","9","1") = "8"
    & skf18("2","9","7","7","2","10","1") = "9"
    & skf18("2","9","7","7","3","1","1") = "8"
    & skf18("2","9","7","7","3","2","1") = "8"
    & skf18("2","9","7","7","3","3","1") = "8"
    & skf18("2","9","7","7","3","4","1") = "8"
    & skf18("2","9","7","7","3","5","1") = "8"
    & skf18("2","9","7","7","3","6","1") = "8"
    & skf18("2","9","7","7","3","7","1") = "8"
    & skf18("2","9","7","7","3","8","1") = "8"
    & skf18("2","9","7","7","3","9","1") = "8"
    & skf18("2","9","7","7","3","10","1") = "9"
    & skf18("2","9","7","7","4","1","1") = "8"
    & skf18("2","9","7","7","4","2","1") = "8"
    & skf18("2","9","7","7","4","3","1") = "8"
    & skf18("2","9","7","7","4","4","1") = "8"
    & skf18("2","9","7","7","4","5","1") = "8"
    & skf18("2","9","7","7","4","6","1") = "8"
    & skf18("2","9","7","7","4","7","1") = "8"
    & skf18("2","9","7","7","4","8","1") = "8"
    & skf18("2","9","7","7","4","9","1") = "8"
    & skf18("2","9","7","7","4","10","1") = "9"
    & skf18("2","9","7","7","5","1","1") = "8"
    & skf18("2","9","7","7","5","2","1") = "8"
    & skf18("2","9","7","7","5","3","1") = "8"
    & skf18("2","9","7","7","5","4","1") = "8"
    & skf18("2","9","7","7","5","5","1") = "8"
    & skf18("2","9","7","7","5","6","1") = "8"
    & skf18("2","9","7","7","5","7","1") = "8"
    & skf18("2","9","7","7","5","8","1") = "8"
    & skf18("2","9","7","7","5","9","1") = "8"
    & skf18("2","9","7","7","5","10","1") = "9"
    & skf18("2","9","7","7","6","1","1") = "8"
    & skf18("2","9","7","7","6","2","1") = "8"
    & skf18("2","9","7","7","6","3","1") = "8"
    & skf18("2","9","7","7","6","4","1") = "8"
    & skf18("2","9","7","7","6","5","1") = "8"
    & skf18("2","9","7","7","6","6","1") = "8"
    & skf18("2","9","7","7","6","7","1") = "8"
    & skf18("2","9","7","7","6","8","1") = "8"
    & skf18("2","9","7","7","6","9","1") = "8"
    & skf18("2","9","7","7","6","10","1") = "9"
    & skf18("2","9","7","7","7","1","1") = "8"
    & skf18("2","9","7","7","7","2","1") = "8"
    & skf18("2","9","7","7","7","3","1") = "8"
    & skf18("2","9","7","7","7","4","1") = "8"
    & skf18("2","9","7","7","7","5","1") = "8"
    & skf18("2","9","7","7","7","6","1") = "8"
    & skf18("2","9","7","7","7","7","1") = "8"
    & skf18("2","9","7","7","7","8","1") = "8"
    & skf18("2","9","7","7","7","9","1") = "8"
    & skf18("2","9","7","7","7","10","1") = "9"
    & skf18("2","9","7","7","8","1","1") = "8"
    & skf18("2","9","7","7","8","2","1") = "8"
    & skf18("2","9","7","7","8","3","1") = "8"
    & skf18("2","9","7","7","8","4","1") = "8"
    & skf18("2","9","7","7","8","5","1") = "8"
    & skf18("2","9","7","7","8","6","1") = "8"
    & skf18("2","9","7","7","8","7","1") = "8"
    & skf18("2","9","7","7","8","8","1") = "8"
    & skf18("2","9","7","7","8","9","1") = "8"
    & skf18("2","9","7","7","8","10","1") = "9"
    & skf18("2","9","7","7","9","1","1") = "8"
    & skf18("2","9","7","7","9","2","1") = "8"
    & skf18("2","9","7","7","9","3","1") = "8"
    & skf18("2","9","7","7","9","4","1") = "8"
    & skf18("2","9","7","7","9","5","1") = "8"
    & skf18("2","9","7","7","9","6","1") = "8"
    & skf18("2","9","7","7","9","7","1") = "8"
    & skf18("2","9","7","7","9","8","1") = "8"
    & skf18("2","9","7","7","9","9","1") = "8"
    & skf18("2","9","7","7","9","10","1") = "9"
    & skf18("2","9","7","7","10","1","1") = "9"
    & skf18("2","9","7","7","10","2","1") = "9"
    & skf18("2","9","7","7","10","3","1") = "9"
    & skf18("2","9","7","7","10","4","1") = "9"
    & skf18("2","9","7","7","10","5","1") = "9"
    & skf18("2","9","7","7","10","6","1") = "9"
    & skf18("2","9","7","7","10","7","1") = "9"
    & skf18("2","9","7","7","10","8","1") = "9"
    & skf18("2","9","7","7","10","9","1") = "9"
    & skf18("2","9","7","7","10","10","1") = "9"
    & skf18("2","9","7","8","1","1","1") = "8"
    & skf18("2","9","7","8","1","2","1") = "8"
    & skf18("2","9","7","8","1","3","1") = "8"
    & skf18("2","9","7","8","1","4","1") = "8"
    & skf18("2","9","7","8","1","5","1") = "8"
    & skf18("2","9","7","8","1","6","1") = "8"
    & skf18("2","9","7","8","1","7","1") = "8"
    & skf18("2","9","7","8","1","8","1") = "8"
    & skf18("2","9","7","8","1","9","1") = "8"
    & skf18("2","9","7","8","1","10","1") = "9"
    & skf18("2","9","7","8","2","1","1") = "8"
    & skf18("2","9","7","8","2","2","1") = "8"
    & skf18("2","9","7","8","2","3","1") = "8"
    & skf18("2","9","7","8","2","4","1") = "8"
    & skf18("2","9","7","8","2","5","1") = "8"
    & skf18("2","9","7","8","2","6","1") = "8"
    & skf18("2","9","7","8","2","7","1") = "8"
    & skf18("2","9","7","8","2","8","1") = "8"
    & skf18("2","9","7","8","2","9","1") = "8"
    & skf18("2","9","7","8","2","10","1") = "9"
    & skf18("2","9","7","8","3","1","1") = "8"
    & skf18("2","9","7","8","3","2","1") = "8"
    & skf18("2","9","7","8","3","3","1") = "8"
    & skf18("2","9","7","8","3","4","1") = "8"
    & skf18("2","9","7","8","3","5","1") = "8"
    & skf18("2","9","7","8","3","6","1") = "8"
    & skf18("2","9","7","8","3","7","1") = "8"
    & skf18("2","9","7","8","3","8","1") = "8"
    & skf18("2","9","7","8","3","9","1") = "8"
    & skf18("2","9","7","8","3","10","1") = "9"
    & skf18("2","9","7","8","4","1","1") = "8"
    & skf18("2","9","7","8","4","2","1") = "8"
    & skf18("2","9","7","8","4","3","1") = "8"
    & skf18("2","9","7","8","4","4","1") = "8"
    & skf18("2","9","7","8","4","5","1") = "8"
    & skf18("2","9","7","8","4","6","1") = "8"
    & skf18("2","9","7","8","4","7","1") = "8"
    & skf18("2","9","7","8","4","8","1") = "8"
    & skf18("2","9","7","8","4","9","1") = "8"
    & skf18("2","9","7","8","4","10","1") = "9"
    & skf18("2","9","7","8","5","1","1") = "8"
    & skf18("2","9","7","8","5","2","1") = "8"
    & skf18("2","9","7","8","5","3","1") = "8"
    & skf18("2","9","7","8","5","4","1") = "8"
    & skf18("2","9","7","8","5","5","1") = "8"
    & skf18("2","9","7","8","5","6","1") = "8"
    & skf18("2","9","7","8","5","7","1") = "8"
    & skf18("2","9","7","8","5","8","1") = "8"
    & skf18("2","9","7","8","5","9","1") = "8"
    & skf18("2","9","7","8","5","10","1") = "9"
    & skf18("2","9","7","8","6","1","1") = "8"
    & skf18("2","9","7","8","6","2","1") = "8"
    & skf18("2","9","7","8","6","3","1") = "8"
    & skf18("2","9","7","8","6","4","1") = "8"
    & skf18("2","9","7","8","6","5","1") = "8"
    & skf18("2","9","7","8","6","6","1") = "8"
    & skf18("2","9","7","8","6","7","1") = "8"
    & skf18("2","9","7","8","6","8","1") = "8"
    & skf18("2","9","7","8","6","9","1") = "8"
    & skf18("2","9","7","8","6","10","1") = "9"
    & skf18("2","9","7","8","7","1","1") = "8"
    & skf18("2","9","7","8","7","2","1") = "8"
    & skf18("2","9","7","8","7","3","1") = "8"
    & skf18("2","9","7","8","7","4","1") = "8"
    & skf18("2","9","7","8","7","5","1") = "8"
    & skf18("2","9","7","8","7","6","1") = "8"
    & skf18("2","9","7","8","7","7","1") = "8"
    & skf18("2","9","7","8","7","8","1") = "8"
    & skf18("2","9","7","8","7","9","1") = "8"
    & skf18("2","9","7","8","7","10","1") = "9"
    & skf18("2","9","7","8","8","1","1") = "8"
    & skf18("2","9","7","8","8","2","1") = "8"
    & skf18("2","9","7","8","8","3","1") = "8"
    & skf18("2","9","7","8","8","4","1") = "8"
    & skf18("2","9","7","8","8","5","1") = "8"
    & skf18("2","9","7","8","8","6","1") = "8"
    & skf18("2","9","7","8","8","7","1") = "8"
    & skf18("2","9","7","8","8","8","1") = "8"
    & skf18("2","9","7","8","8","9","1") = "8"
    & skf18("2","9","7","8","8","10","1") = "9"
    & skf18("2","9","7","8","9","1","1") = "8"
    & skf18("2","9","7","8","9","2","1") = "8"
    & skf18("2","9","7","8","9","3","1") = "8"
    & skf18("2","9","7","8","9","4","1") = "8"
    & skf18("2","9","7","8","9","5","1") = "8"
    & skf18("2","9","7","8","9","6","1") = "8"
    & skf18("2","9","7","8","9","7","1") = "8"
    & skf18("2","9","7","8","9","8","1") = "8"
    & skf18("2","9","7","8","9","9","1") = "8"
    & skf18("2","9","7","8","9","10","1") = "9"
    & skf18("2","9","7","8","10","1","1") = "9"
    & skf18("2","9","7","8","10","2","1") = "9"
    & skf18("2","9","7","8","10","3","1") = "9"
    & skf18("2","9","7","8","10","4","1") = "9"
    & skf18("2","9","7","8","10","5","1") = "9"
    & skf18("2","9","7","8","10","6","1") = "9"
    & skf18("2","9","7","8","10","7","1") = "9"
    & skf18("2","9","7","8","10","8","1") = "9"
    & skf18("2","9","7","8","10","9","1") = "9"
    & skf18("2","9","7","8","10","10","1") = "9"
    & skf18("2","9","7","9","1","1","1") = "8"
    & skf18("2","9","7","9","1","2","1") = "8"
    & skf18("2","9","7","9","1","3","1") = "8"
    & skf18("2","9","7","9","1","4","1") = "8"
    & skf18("2","9","7","9","1","5","1") = "8"
    & skf18("2","9","7","9","1","6","1") = "8"
    & skf18("2","9","7","9","1","7","1") = "8"
    & skf18("2","9","7","9","1","8","1") = "8"
    & skf18("2","9","7","9","1","9","1") = "8"
    & skf18("2","9","7","9","1","10","1") = "9"
    & skf18("2","9","7","9","2","1","1") = "8"
    & skf18("2","9","7","9","2","2","1") = "8"
    & skf18("2","9","7","9","2","3","1") = "8"
    & skf18("2","9","7","9","2","4","1") = "8"
    & skf18("2","9","7","9","2","5","1") = "8"
    & skf18("2","9","7","9","2","6","1") = "8"
    & skf18("2","9","7","9","2","7","1") = "8"
    & skf18("2","9","7","9","2","8","1") = "8"
    & skf18("2","9","7","9","2","9","1") = "8"
    & skf18("2","9","7","9","2","10","1") = "9"
    & skf18("2","9","7","9","3","1","1") = "8"
    & skf18("2","9","7","9","3","2","1") = "8"
    & skf18("2","9","7","9","3","3","1") = "8"
    & skf18("2","9","7","9","3","4","1") = "8"
    & skf18("2","9","7","9","3","5","1") = "8"
    & skf18("2","9","7","9","3","6","1") = "8"
    & skf18("2","9","7","9","3","7","1") = "8"
    & skf18("2","9","7","9","3","8","1") = "8"
    & skf18("2","9","7","9","3","9","1") = "8"
    & skf18("2","9","7","9","3","10","1") = "9"
    & skf18("2","9","7","9","4","1","1") = "8"
    & skf18("2","9","7","9","4","2","1") = "8"
    & skf18("2","9","7","9","4","3","1") = "8"
    & skf18("2","9","7","9","4","4","1") = "8"
    & skf18("2","9","7","9","4","5","1") = "8"
    & skf18("2","9","7","9","4","6","1") = "8"
    & skf18("2","9","7","9","4","7","1") = "8"
    & skf18("2","9","7","9","4","8","1") = "8"
    & skf18("2","9","7","9","4","9","1") = "8"
    & skf18("2","9","7","9","4","10","1") = "9"
    & skf18("2","9","7","9","5","1","1") = "8"
    & skf18("2","9","7","9","5","2","1") = "8"
    & skf18("2","9","7","9","5","3","1") = "8"
    & skf18("2","9","7","9","5","4","1") = "8"
    & skf18("2","9","7","9","5","5","1") = "8"
    & skf18("2","9","7","9","5","6","1") = "8"
    & skf18("2","9","7","9","5","7","1") = "8"
    & skf18("2","9","7","9","5","8","1") = "8"
    & skf18("2","9","7","9","5","9","1") = "8"
    & skf18("2","9","7","9","5","10","1") = "9"
    & skf18("2","9","7","9","6","1","1") = "8"
    & skf18("2","9","7","9","6","2","1") = "8"
    & skf18("2","9","7","9","6","3","1") = "8"
    & skf18("2","9","7","9","6","4","1") = "8"
    & skf18("2","9","7","9","6","5","1") = "8"
    & skf18("2","9","7","9","6","6","1") = "8"
    & skf18("2","9","7","9","6","7","1") = "8"
    & skf18("2","9","7","9","6","8","1") = "8"
    & skf18("2","9","7","9","6","9","1") = "8"
    & skf18("2","9","7","9","6","10","1") = "9"
    & skf18("2","9","7","9","7","1","1") = "8"
    & skf18("2","9","7","9","7","2","1") = "8"
    & skf18("2","9","7","9","7","3","1") = "8"
    & skf18("2","9","7","9","7","4","1") = "8"
    & skf18("2","9","7","9","7","5","1") = "8"
    & skf18("2","9","7","9","7","6","1") = "8"
    & skf18("2","9","7","9","7","7","1") = "8"
    & skf18("2","9","7","9","7","8","1") = "8"
    & skf18("2","9","7","9","7","9","1") = "8"
    & skf18("2","9","7","9","7","10","1") = "9"
    & skf18("2","9","7","9","8","1","1") = "8"
    & skf18("2","9","7","9","8","2","1") = "8"
    & skf18("2","9","7","9","8","3","1") = "8"
    & skf18("2","9","7","9","8","4","1") = "8"
    & skf18("2","9","7","9","8","5","1") = "8"
    & skf18("2","9","7","9","8","6","1") = "8"
    & skf18("2","9","7","9","8","7","1") = "8"
    & skf18("2","9","7","9","8","8","1") = "8"
    & skf18("2","9","7","9","8","9","1") = "8"
    & skf18("2","9","7","9","8","10","1") = "9"
    & skf18("2","9","7","9","9","1","1") = "8"
    & skf18("2","9","7","9","9","2","1") = "8"
    & skf18("2","9","7","9","9","3","1") = "8"
    & skf18("2","9","7","9","9","4","1") = "8"
    & skf18("2","9","7","9","9","5","1") = "8"
    & skf18("2","9","7","9","9","6","1") = "8"
    & skf18("2","9","7","9","9","7","1") = "8"
    & skf18("2","9","7","9","9","8","1") = "8"
    & skf18("2","9","7","9","9","9","1") = "8"
    & skf18("2","9","7","9","9","10","1") = "9"
    & skf18("2","9","7","9","10","1","1") = "9"
    & skf18("2","9","7","9","10","2","1") = "9"
    & skf18("2","9","7","9","10","3","1") = "9"
    & skf18("2","9","7","9","10","4","1") = "9"
    & skf18("2","9","7","9","10","5","1") = "9"
    & skf18("2","9","7","9","10","6","1") = "9"
    & skf18("2","9","7","9","10","7","1") = "9"
    & skf18("2","9","7","9","10","8","1") = "9"
    & skf18("2","9","7","9","10","9","1") = "9"
    & skf18("2","9","7","9","10","10","1") = "9"
    & skf18("2","9","7","10","1","1","1") = "9"
    & skf18("2","9","7","10","1","2","1") = "9"
    & skf18("2","9","7","10","1","3","1") = "9"
    & skf18("2","9","7","10","1","4","1") = "9"
    & skf18("2","9","7","10","1","5","1") = "9"
    & skf18("2","9","7","10","1","6","1") = "9"
    & skf18("2","9","7","10","1","7","1") = "9"
    & skf18("2","9","7","10","1","8","1") = "9"
    & skf18("2","9","7","10","1","9","1") = "9"
    & skf18("2","9","7","10","1","10","1") = "9"
    & skf18("2","9","7","10","2","1","1") = "9"
    & skf18("2","9","7","10","2","2","1") = "9"
    & skf18("2","9","7","10","2","3","1") = "9"
    & skf18("2","9","7","10","2","4","1") = "9"
    & skf18("2","9","7","10","2","5","1") = "9"
    & skf18("2","9","7","10","2","6","1") = "9"
    & skf18("2","9","7","10","2","7","1") = "9"
    & skf18("2","9","7","10","2","8","1") = "9"
    & skf18("2","9","7","10","2","9","1") = "9"
    & skf18("2","9","7","10","2","10","1") = "9"
    & skf18("2","9","7","10","3","1","1") = "9"
    & skf18("2","9","7","10","3","2","1") = "9"
    & skf18("2","9","7","10","3","3","1") = "9"
    & skf18("2","9","7","10","3","4","1") = "9"
    & skf18("2","9","7","10","3","5","1") = "9"
    & skf18("2","9","7","10","3","6","1") = "9"
    & skf18("2","9","7","10","3","7","1") = "9"
    & skf18("2","9","7","10","3","8","1") = "9"
    & skf18("2","9","7","10","3","9","1") = "9"
    & skf18("2","9","7","10","3","10","1") = "9"
    & skf18("2","9","7","10","4","1","1") = "9"
    & skf18("2","9","7","10","4","2","1") = "9"
    & skf18("2","9","7","10","4","3","1") = "9"
    & skf18("2","9","7","10","4","4","1") = "9"
    & skf18("2","9","7","10","4","5","1") = "9"
    & skf18("2","9","7","10","4","6","1") = "9"
    & skf18("2","9","7","10","4","7","1") = "9"
    & skf18("2","9","7","10","4","8","1") = "9"
    & skf18("2","9","7","10","4","9","1") = "9"
    & skf18("2","9","7","10","4","10","1") = "9"
    & skf18("2","9","7","10","5","1","1") = "9"
    & skf18("2","9","7","10","5","2","1") = "9"
    & skf18("2","9","7","10","5","3","1") = "9"
    & skf18("2","9","7","10","5","4","1") = "9"
    & skf18("2","9","7","10","5","5","1") = "9"
    & skf18("2","9","7","10","5","6","1") = "9"
    & skf18("2","9","7","10","5","7","1") = "9"
    & skf18("2","9","7","10","5","8","1") = "9"
    & skf18("2","9","7","10","5","9","1") = "9"
    & skf18("2","9","7","10","5","10","1") = "9"
    & skf18("2","9","7","10","6","1","1") = "9"
    & skf18("2","9","7","10","6","2","1") = "9"
    & skf18("2","9","7","10","6","3","1") = "9"
    & skf18("2","9","7","10","6","4","1") = "9"
    & skf18("2","9","7","10","6","5","1") = "9"
    & skf18("2","9","7","10","6","6","1") = "9"
    & skf18("2","9","7","10","6","7","1") = "9"
    & skf18("2","9","7","10","6","8","1") = "9"
    & skf18("2","9","7","10","6","9","1") = "9"
    & skf18("2","9","7","10","6","10","1") = "9"
    & skf18("2","9","7","10","7","1","1") = "9"
    & skf18("2","9","7","10","7","2","1") = "9"
    & skf18("2","9","7","10","7","3","1") = "9"
    & skf18("2","9","7","10","7","4","1") = "9"
    & skf18("2","9","7","10","7","5","1") = "9"
    & skf18("2","9","7","10","7","6","1") = "9"
    & skf18("2","9","7","10","7","7","1") = "9"
    & skf18("2","9","7","10","7","8","1") = "9"
    & skf18("2","9","7","10","7","9","1") = "9"
    & skf18("2","9","7","10","7","10","1") = "9"
    & skf18("2","9","7","10","8","1","1") = "9"
    & skf18("2","9","7","10","8","2","1") = "9"
    & skf18("2","9","7","10","8","3","1") = "9"
    & skf18("2","9","7","10","8","4","1") = "9"
    & skf18("2","9","7","10","8","5","1") = "9"
    & skf18("2","9","7","10","8","6","1") = "9"
    & skf18("2","9","7","10","8","7","1") = "9"
    & skf18("2","9","7","10","8","8","1") = "9"
    & skf18("2","9","7","10","8","9","1") = "9"
    & skf18("2","9","7","10","8","10","1") = "9"
    & skf18("2","9","7","10","9","1","1") = "9"
    & skf18("2","9","7","10","9","2","1") = "9"
    & skf18("2","9","7","10","9","3","1") = "9"
    & skf18("2","9","7","10","9","4","1") = "9"
    & skf18("2","9","7","10","9","5","1") = "9"
    & skf18("2","9","7","10","9","6","1") = "9"
    & skf18("2","9","7","10","9","7","1") = "9"
    & skf18("2","9","7","10","9","8","1") = "9"
    & skf18("2","9","7","10","9","9","1") = "9"
    & skf18("2","9","7","10","9","10","1") = "9"
    & skf18("2","9","7","10","10","1","1") = "9"
    & skf18("2","9","7","10","10","2","1") = "9"
    & skf18("2","9","7","10","10","3","1") = "9"
    & skf18("2","9","7","10","10","4","1") = "9"
    & skf18("2","9","7","10","10","5","1") = "9"
    & skf18("2","9","7","10","10","6","1") = "9"
    & skf18("2","9","7","10","10","7","1") = "9"
    & skf18("2","9","7","10","10","8","1") = "9"
    & skf18("2","9","7","10","10","9","1") = "9"
    & skf18("2","9","7","10","10","10","1") = "9"
    & skf18("2","9","8","1","1","1","1") = "8"
    & skf18("2","9","8","1","1","2","1") = "8"
    & skf18("2","9","8","1","1","3","1") = "8"
    & skf18("2","9","8","1","1","4","1") = "8"
    & skf18("2","9","8","1","1","5","1") = "8"
    & skf18("2","9","8","1","1","6","1") = "8"
    & skf18("2","9","8","1","1","7","1") = "8"
    & skf18("2","9","8","1","1","8","1") = "8"
    & skf18("2","9","8","1","1","9","1") = "8"
    & skf18("2","9","8","1","1","10","1") = "9"
    & skf18("2","9","8","1","2","1","1") = "8"
    & skf18("2","9","8","1","2","2","1") = "8"
    & skf18("2","9","8","1","2","3","1") = "8"
    & skf18("2","9","8","1","2","4","1") = "8"
    & skf18("2","9","8","1","2","5","1") = "8"
    & skf18("2","9","8","1","2","6","1") = "8"
    & skf18("2","9","8","1","2","7","1") = "8"
    & skf18("2","9","8","1","2","8","1") = "8"
    & skf18("2","9","8","1","2","9","1") = "8"
    & skf18("2","9","8","1","2","10","1") = "9"
    & skf18("2","9","8","1","3","1","1") = "8"
    & skf18("2","9","8","1","3","2","1") = "8"
    & skf18("2","9","8","1","3","3","1") = "8"
    & skf18("2","9","8","1","3","4","1") = "8"
    & skf18("2","9","8","1","3","5","1") = "8"
    & skf18("2","9","8","1","3","6","1") = "8"
    & skf18("2","9","8","1","3","7","1") = "8"
    & skf18("2","9","8","1","3","8","1") = "8"
    & skf18("2","9","8","1","3","9","1") = "8"
    & skf18("2","9","8","1","3","10","1") = "9"
    & skf18("2","9","8","1","4","1","1") = "8"
    & skf18("2","9","8","1","4","2","1") = "8"
    & skf18("2","9","8","1","4","3","1") = "8"
    & skf18("2","9","8","1","4","4","1") = "8"
    & skf18("2","9","8","1","4","5","1") = "8"
    & skf18("2","9","8","1","4","6","1") = "8"
    & skf18("2","9","8","1","4","7","1") = "8"
    & skf18("2","9","8","1","4","8","1") = "8"
    & skf18("2","9","8","1","4","9","1") = "8"
    & skf18("2","9","8","1","4","10","1") = "9"
    & skf18("2","9","8","1","5","1","1") = "8"
    & skf18("2","9","8","1","5","2","1") = "8"
    & skf18("2","9","8","1","5","3","1") = "8"
    & skf18("2","9","8","1","5","4","1") = "8"
    & skf18("2","9","8","1","5","5","1") = "8"
    & skf18("2","9","8","1","5","6","1") = "8"
    & skf18("2","9","8","1","5","7","1") = "8"
    & skf18("2","9","8","1","5","8","1") = "8"
    & skf18("2","9","8","1","5","9","1") = "8"
    & skf18("2","9","8","1","5","10","1") = "9"
    & skf18("2","9","8","1","6","1","1") = "8"
    & skf18("2","9","8","1","6","2","1") = "8"
    & skf18("2","9","8","1","6","3","1") = "8"
    & skf18("2","9","8","1","6","4","1") = "8"
    & skf18("2","9","8","1","6","5","1") = "8"
    & skf18("2","9","8","1","6","6","1") = "8"
    & skf18("2","9","8","1","6","7","1") = "8"
    & skf18("2","9","8","1","6","8","1") = "8"
    & skf18("2","9","8","1","6","9","1") = "8"
    & skf18("2","9","8","1","6","10","1") = "9"
    & skf18("2","9","8","1","7","1","1") = "8"
    & skf18("2","9","8","1","7","2","1") = "8"
    & skf18("2","9","8","1","7","3","1") = "8"
    & skf18("2","9","8","1","7","4","1") = "8"
    & skf18("2","9","8","1","7","5","1") = "8"
    & skf18("2","9","8","1","7","6","1") = "8"
    & skf18("2","9","8","1","7","7","1") = "8"
    & skf18("2","9","8","1","7","8","1") = "8"
    & skf18("2","9","8","1","7","9","1") = "8"
    & skf18("2","9","8","1","7","10","1") = "9"
    & skf18("2","9","8","1","8","1","1") = "8"
    & skf18("2","9","8","1","8","2","1") = "8"
    & skf18("2","9","8","1","8","3","1") = "8"
    & skf18("2","9","8","1","8","4","1") = "8"
    & skf18("2","9","8","1","8","5","1") = "8"
    & skf18("2","9","8","1","8","6","1") = "8"
    & skf18("2","9","8","1","8","7","1") = "8"
    & skf18("2","9","8","1","8","8","1") = "8"
    & skf18("2","9","8","1","8","9","1") = "8"
    & skf18("2","9","8","1","8","10","1") = "9"
    & skf18("2","9","8","1","9","1","1") = "8"
    & skf18("2","9","8","1","9","2","1") = "8"
    & skf18("2","9","8","1","9","3","1") = "8"
    & skf18("2","9","8","1","9","4","1") = "8"
    & skf18("2","9","8","1","9","5","1") = "8"
    & skf18("2","9","8","1","9","6","1") = "8"
    & skf18("2","9","8","1","9","7","1") = "8"
    & skf18("2","9","8","1","9","8","1") = "8"
    & skf18("2","9","8","1","9","9","1") = "8"
    & skf18("2","9","8","1","9","10","1") = "9"
    & skf18("2","9","8","1","10","1","1") = "9"
    & skf18("2","9","8","1","10","2","1") = "9"
    & skf18("2","9","8","1","10","3","1") = "9"
    & skf18("2","9","8","1","10","4","1") = "9"
    & skf18("2","9","8","1","10","5","1") = "9"
    & skf18("2","9","8","1","10","6","1") = "9"
    & skf18("2","9","8","1","10","7","1") = "9"
    & skf18("2","9","8","1","10","8","1") = "9"
    & skf18("2","9","8","1","10","9","1") = "9"
    & skf18("2","9","8","1","10","10","1") = "9"
    & skf18("2","9","8","2","1","1","1") = "8"
    & skf18("2","9","8","2","1","2","1") = "8"
    & skf18("2","9","8","2","1","3","1") = "8"
    & skf18("2","9","8","2","1","4","1") = "8"
    & skf18("2","9","8","2","1","5","1") = "8"
    & skf18("2","9","8","2","1","6","1") = "8"
    & skf18("2","9","8","2","1","7","1") = "8"
    & skf18("2","9","8","2","1","8","1") = "8"
    & skf18("2","9","8","2","1","9","1") = "8"
    & skf18("2","9","8","2","1","10","1") = "9"
    & skf18("2","9","8","2","2","1","1") = "8"
    & skf18("2","9","8","2","2","2","1") = "8"
    & skf18("2","9","8","2","2","3","1") = "8"
    & skf18("2","9","8","2","2","4","1") = "8"
    & skf18("2","9","8","2","2","5","1") = "8"
    & skf18("2","9","8","2","2","6","1") = "8"
    & skf18("2","9","8","2","2","7","1") = "8"
    & skf18("2","9","8","2","2","8","1") = "8"
    & skf18("2","9","8","2","2","9","1") = "8"
    & skf18("2","9","8","2","2","10","1") = "9"
    & skf18("2","9","8","2","3","1","1") = "8"
    & skf18("2","9","8","2","3","2","1") = "8"
    & skf18("2","9","8","2","3","3","1") = "8"
    & skf18("2","9","8","2","3","4","1") = "8"
    & skf18("2","9","8","2","3","5","1") = "8"
    & skf18("2","9","8","2","3","6","1") = "8"
    & skf18("2","9","8","2","3","7","1") = "8"
    & skf18("2","9","8","2","3","8","1") = "8"
    & skf18("2","9","8","2","3","9","1") = "8"
    & skf18("2","9","8","2","3","10","1") = "9"
    & skf18("2","9","8","2","4","1","1") = "8"
    & skf18("2","9","8","2","4","2","1") = "8"
    & skf18("2","9","8","2","4","3","1") = "8"
    & skf18("2","9","8","2","4","4","1") = "8"
    & skf18("2","9","8","2","4","5","1") = "8"
    & skf18("2","9","8","2","4","6","1") = "8"
    & skf18("2","9","8","2","4","7","1") = "8"
    & skf18("2","9","8","2","4","8","1") = "8"
    & skf18("2","9","8","2","4","9","1") = "8"
    & skf18("2","9","8","2","4","10","1") = "9"
    & skf18("2","9","8","2","5","1","1") = "8"
    & skf18("2","9","8","2","5","2","1") = "8"
    & skf18("2","9","8","2","5","3","1") = "8"
    & skf18("2","9","8","2","5","4","1") = "8"
    & skf18("2","9","8","2","5","5","1") = "8"
    & skf18("2","9","8","2","5","6","1") = "8"
    & skf18("2","9","8","2","5","7","1") = "8"
    & skf18("2","9","8","2","5","8","1") = "8"
    & skf18("2","9","8","2","5","9","1") = "8"
    & skf18("2","9","8","2","5","10","1") = "9"
    & skf18("2","9","8","2","6","1","1") = "8"
    & skf18("2","9","8","2","6","2","1") = "8"
    & skf18("2","9","8","2","6","3","1") = "8"
    & skf18("2","9","8","2","6","4","1") = "8"
    & skf18("2","9","8","2","6","5","1") = "8"
    & skf18("2","9","8","2","6","6","1") = "8"
    & skf18("2","9","8","2","6","7","1") = "8"
    & skf18("2","9","8","2","6","8","1") = "8"
    & skf18("2","9","8","2","6","9","1") = "8"
    & skf18("2","9","8","2","6","10","1") = "9"
    & skf18("2","9","8","2","7","1","1") = "8"
    & skf18("2","9","8","2","7","2","1") = "8"
    & skf18("2","9","8","2","7","3","1") = "8"
    & skf18("2","9","8","2","7","4","1") = "8"
    & skf18("2","9","8","2","7","5","1") = "8"
    & skf18("2","9","8","2","7","6","1") = "8"
    & skf18("2","9","8","2","7","7","1") = "8"
    & skf18("2","9","8","2","7","8","1") = "8"
    & skf18("2","9","8","2","7","9","1") = "8"
    & skf18("2","9","8","2","7","10","1") = "9"
    & skf18("2","9","8","2","8","1","1") = "8"
    & skf18("2","9","8","2","8","2","1") = "8"
    & skf18("2","9","8","2","8","3","1") = "8"
    & skf18("2","9","8","2","8","4","1") = "8"
    & skf18("2","9","8","2","8","5","1") = "8"
    & skf18("2","9","8","2","8","6","1") = "8"
    & skf18("2","9","8","2","8","7","1") = "8"
    & skf18("2","9","8","2","8","8","1") = "8"
    & skf18("2","9","8","2","8","9","1") = "8"
    & skf18("2","9","8","2","8","10","1") = "9"
    & skf18("2","9","8","2","9","1","1") = "8"
    & skf18("2","9","8","2","9","2","1") = "8"
    & skf18("2","9","8","2","9","3","1") = "8"
    & skf18("2","9","8","2","9","4","1") = "8"
    & skf18("2","9","8","2","9","5","1") = "8"
    & skf18("2","9","8","2","9","6","1") = "8"
    & skf18("2","9","8","2","9","7","1") = "8"
    & skf18("2","9","8","2","9","8","1") = "8"
    & skf18("2","9","8","2","9","9","1") = "8"
    & skf18("2","9","8","2","9","10","1") = "9"
    & skf18("2","9","8","2","10","1","1") = "9"
    & skf18("2","9","8","2","10","2","1") = "9"
    & skf18("2","9","8","2","10","3","1") = "9"
    & skf18("2","9","8","2","10","4","1") = "9"
    & skf18("2","9","8","2","10","5","1") = "9"
    & skf18("2","9","8","2","10","6","1") = "9"
    & skf18("2","9","8","2","10","7","1") = "9"
    & skf18("2","9","8","2","10","8","1") = "9"
    & skf18("2","9","8","2","10","9","1") = "9"
    & skf18("2","9","8","2","10","10","1") = "9"
    & skf18("2","9","8","3","1","1","1") = "8"
    & skf18("2","9","8","3","1","2","1") = "8"
    & skf18("2","9","8","3","1","3","1") = "8"
    & skf18("2","9","8","3","1","4","1") = "8"
    & skf18("2","9","8","3","1","5","1") = "8"
    & skf18("2","9","8","3","1","6","1") = "8"
    & skf18("2","9","8","3","1","7","1") = "8"
    & skf18("2","9","8","3","1","8","1") = "8"
    & skf18("2","9","8","3","1","9","1") = "8"
    & skf18("2","9","8","3","1","10","1") = "9"
    & skf18("2","9","8","3","2","1","1") = "8"
    & skf18("2","9","8","3","2","2","1") = "8"
    & skf18("2","9","8","3","2","3","1") = "8"
    & skf18("2","9","8","3","2","4","1") = "8"
    & skf18("2","9","8","3","2","5","1") = "8"
    & skf18("2","9","8","3","2","6","1") = "8"
    & skf18("2","9","8","3","2","7","1") = "8"
    & skf18("2","9","8","3","2","8","1") = "8"
    & skf18("2","9","8","3","2","9","1") = "8"
    & skf18("2","9","8","3","2","10","1") = "9"
    & skf18("2","9","8","3","3","1","1") = "8"
    & skf18("2","9","8","3","3","2","1") = "8"
    & skf18("2","9","8","3","3","3","1") = "8"
    & skf18("2","9","8","3","3","4","1") = "8"
    & skf18("2","9","8","3","3","5","1") = "8"
    & skf18("2","9","8","3","3","6","1") = "8"
    & skf18("2","9","8","3","3","7","1") = "8"
    & skf18("2","9","8","3","3","8","1") = "8"
    & skf18("2","9","8","3","3","9","1") = "8"
    & skf18("2","9","8","3","3","10","1") = "9"
    & skf18("2","9","8","3","4","1","1") = "8"
    & skf18("2","9","8","3","4","2","1") = "8"
    & skf18("2","9","8","3","4","3","1") = "8"
    & skf18("2","9","8","3","4","4","1") = "8"
    & skf18("2","9","8","3","4","5","1") = "8"
    & skf18("2","9","8","3","4","6","1") = "8"
    & skf18("2","9","8","3","4","7","1") = "8"
    & skf18("2","9","8","3","4","8","1") = "8"
    & skf18("2","9","8","3","4","9","1") = "8"
    & skf18("2","9","8","3","4","10","1") = "9"
    & skf18("2","9","8","3","5","1","1") = "8"
    & skf18("2","9","8","3","5","2","1") = "8"
    & skf18("2","9","8","3","5","3","1") = "8"
    & skf18("2","9","8","3","5","4","1") = "8"
    & skf18("2","9","8","3","5","5","1") = "8"
    & skf18("2","9","8","3","5","6","1") = "8"
    & skf18("2","9","8","3","5","7","1") = "8"
    & skf18("2","9","8","3","5","8","1") = "8"
    & skf18("2","9","8","3","5","9","1") = "8"
    & skf18("2","9","8","3","5","10","1") = "9"
    & skf18("2","9","8","3","6","1","1") = "8"
    & skf18("2","9","8","3","6","2","1") = "8"
    & skf18("2","9","8","3","6","3","1") = "8"
    & skf18("2","9","8","3","6","4","1") = "8"
    & skf18("2","9","8","3","6","5","1") = "8"
    & skf18("2","9","8","3","6","6","1") = "8"
    & skf18("2","9","8","3","6","7","1") = "8"
    & skf18("2","9","8","3","6","8","1") = "8"
    & skf18("2","9","8","3","6","9","1") = "8"
    & skf18("2","9","8","3","6","10","1") = "9"
    & skf18("2","9","8","3","7","1","1") = "8"
    & skf18("2","9","8","3","7","2","1") = "8"
    & skf18("2","9","8","3","7","3","1") = "8"
    & skf18("2","9","8","3","7","4","1") = "8"
    & skf18("2","9","8","3","7","5","1") = "8"
    & skf18("2","9","8","3","7","6","1") = "8"
    & skf18("2","9","8","3","7","7","1") = "8"
    & skf18("2","9","8","3","7","8","1") = "8"
    & skf18("2","9","8","3","7","9","1") = "8"
    & skf18("2","9","8","3","7","10","1") = "9"
    & skf18("2","9","8","3","8","1","1") = "8"
    & skf18("2","9","8","3","8","2","1") = "8"
    & skf18("2","9","8","3","8","3","1") = "8"
    & skf18("2","9","8","3","8","4","1") = "8"
    & skf18("2","9","8","3","8","5","1") = "8"
    & skf18("2","9","8","3","8","6","1") = "8"
    & skf18("2","9","8","3","8","7","1") = "8"
    & skf18("2","9","8","3","8","8","1") = "8"
    & skf18("2","9","8","3","8","9","1") = "8"
    & skf18("2","9","8","3","8","10","1") = "9"
    & skf18("2","9","8","3","9","1","1") = "8"
    & skf18("2","9","8","3","9","2","1") = "8"
    & skf18("2","9","8","3","9","3","1") = "8"
    & skf18("2","9","8","3","9","4","1") = "8"
    & skf18("2","9","8","3","9","5","1") = "8"
    & skf18("2","9","8","3","9","6","1") = "8"
    & skf18("2","9","8","3","9","7","1") = "8"
    & skf18("2","9","8","3","9","8","1") = "8"
    & skf18("2","9","8","3","9","9","1") = "8"
    & skf18("2","9","8","3","9","10","1") = "9"
    & skf18("2","9","8","3","10","1","1") = "9"
    & skf18("2","9","8","3","10","2","1") = "9"
    & skf18("2","9","8","3","10","3","1") = "9"
    & skf18("2","9","8","3","10","4","1") = "9"
    & skf18("2","9","8","3","10","5","1") = "9"
    & skf18("2","9","8","3","10","6","1") = "9"
    & skf18("2","9","8","3","10","7","1") = "9"
    & skf18("2","9","8","3","10","8","1") = "9"
    & skf18("2","9","8","3","10","9","1") = "9"
    & skf18("2","9","8","3","10","10","1") = "9"
    & skf18("2","9","8","4","1","1","1") = "8"
    & skf18("2","9","8","4","1","2","1") = "8"
    & skf18("2","9","8","4","1","3","1") = "8"
    & skf18("2","9","8","4","1","4","1") = "8"
    & skf18("2","9","8","4","1","5","1") = "8"
    & skf18("2","9","8","4","1","6","1") = "8"
    & skf18("2","9","8","4","1","7","1") = "8"
    & skf18("2","9","8","4","1","8","1") = "8"
    & skf18("2","9","8","4","1","9","1") = "8"
    & skf18("2","9","8","4","1","10","1") = "9"
    & skf18("2","9","8","4","2","1","1") = "8"
    & skf18("2","9","8","4","2","2","1") = "8"
    & skf18("2","9","8","4","2","3","1") = "8"
    & skf18("2","9","8","4","2","4","1") = "8"
    & skf18("2","9","8","4","2","5","1") = "8"
    & skf18("2","9","8","4","2","6","1") = "8"
    & skf18("2","9","8","4","2","7","1") = "8"
    & skf18("2","9","8","4","2","8","1") = "8"
    & skf18("2","9","8","4","2","9","1") = "8"
    & skf18("2","9","8","4","2","10","1") = "9"
    & skf18("2","9","8","4","3","1","1") = "8"
    & skf18("2","9","8","4","3","2","1") = "8"
    & skf18("2","9","8","4","3","3","1") = "8"
    & skf18("2","9","8","4","3","4","1") = "8"
    & skf18("2","9","8","4","3","5","1") = "8"
    & skf18("2","9","8","4","3","6","1") = "8"
    & skf18("2","9","8","4","3","7","1") = "8"
    & skf18("2","9","8","4","3","8","1") = "8"
    & skf18("2","9","8","4","3","9","1") = "8"
    & skf18("2","9","8","4","3","10","1") = "9"
    & skf18("2","9","8","4","4","1","1") = "8"
    & skf18("2","9","8","4","4","2","1") = "8"
    & skf18("2","9","8","4","4","3","1") = "8"
    & skf18("2","9","8","4","4","4","1") = "8"
    & skf18("2","9","8","4","4","5","1") = "8"
    & skf18("2","9","8","4","4","6","1") = "8"
    & skf18("2","9","8","4","4","7","1") = "8"
    & skf18("2","9","8","4","4","8","1") = "8"
    & skf18("2","9","8","4","4","9","1") = "8"
    & skf18("2","9","8","4","4","10","1") = "9"
    & skf18("2","9","8","4","5","1","1") = "8"
    & skf18("2","9","8","4","5","2","1") = "8"
    & skf18("2","9","8","4","5","3","1") = "8"
    & skf18("2","9","8","4","5","4","1") = "8"
    & skf18("2","9","8","4","5","5","1") = "8"
    & skf18("2","9","8","4","5","6","1") = "8"
    & skf18("2","9","8","4","5","7","1") = "8"
    & skf18("2","9","8","4","5","8","1") = "8"
    & skf18("2","9","8","4","5","9","1") = "8"
    & skf18("2","9","8","4","5","10","1") = "9"
    & skf18("2","9","8","4","6","1","1") = "8"
    & skf18("2","9","8","4","6","2","1") = "8"
    & skf18("2","9","8","4","6","3","1") = "8"
    & skf18("2","9","8","4","6","4","1") = "8"
    & skf18("2","9","8","4","6","5","1") = "8"
    & skf18("2","9","8","4","6","6","1") = "8"
    & skf18("2","9","8","4","6","7","1") = "8"
    & skf18("2","9","8","4","6","8","1") = "8"
    & skf18("2","9","8","4","6","9","1") = "8"
    & skf18("2","9","8","4","6","10","1") = "9"
    & skf18("2","9","8","4","7","1","1") = "8"
    & skf18("2","9","8","4","7","2","1") = "8"
    & skf18("2","9","8","4","7","3","1") = "8"
    & skf18("2","9","8","4","7","4","1") = "8"
    & skf18("2","9","8","4","7","5","1") = "8"
    & skf18("2","9","8","4","7","6","1") = "8"
    & skf18("2","9","8","4","7","7","1") = "8"
    & skf18("2","9","8","4","7","8","1") = "8"
    & skf18("2","9","8","4","7","9","1") = "8"
    & skf18("2","9","8","4","7","10","1") = "9"
    & skf18("2","9","8","4","8","1","1") = "8"
    & skf18("2","9","8","4","8","2","1") = "8"
    & skf18("2","9","8","4","8","3","1") = "8"
    & skf18("2","9","8","4","8","4","1") = "8"
    & skf18("2","9","8","4","8","5","1") = "8"
    & skf18("2","9","8","4","8","6","1") = "8"
    & skf18("2","9","8","4","8","7","1") = "8"
    & skf18("2","9","8","4","8","8","1") = "8"
    & skf18("2","9","8","4","8","9","1") = "8"
    & skf18("2","9","8","4","8","10","1") = "9"
    & skf18("2","9","8","4","9","1","1") = "8"
    & skf18("2","9","8","4","9","2","1") = "8"
    & skf18("2","9","8","4","9","3","1") = "8"
    & skf18("2","9","8","4","9","4","1") = "8"
    & skf18("2","9","8","4","9","5","1") = "8"
    & skf18("2","9","8","4","9","6","1") = "8"
    & skf18("2","9","8","4","9","7","1") = "8"
    & skf18("2","9","8","4","9","8","1") = "8"
    & skf18("2","9","8","4","9","9","1") = "8"
    & skf18("2","9","8","4","9","10","1") = "9"
    & skf18("2","9","8","4","10","1","1") = "9"
    & skf18("2","9","8","4","10","2","1") = "9"
    & skf18("2","9","8","4","10","3","1") = "9"
    & skf18("2","9","8","4","10","4","1") = "9"
    & skf18("2","9","8","4","10","5","1") = "9"
    & skf18("2","9","8","4","10","6","1") = "9"
    & skf18("2","9","8","4","10","7","1") = "9"
    & skf18("2","9","8","4","10","8","1") = "9"
    & skf18("2","9","8","4","10","9","1") = "9"
    & skf18("2","9","8","4","10","10","1") = "9"
    & skf18("2","9","8","5","1","1","1") = "8"
    & skf18("2","9","8","5","1","2","1") = "8"
    & skf18("2","9","8","5","1","3","1") = "8"
    & skf18("2","9","8","5","1","4","1") = "8"
    & skf18("2","9","8","5","1","5","1") = "8"
    & skf18("2","9","8","5","1","6","1") = "8"
    & skf18("2","9","8","5","1","7","1") = "8"
    & skf18("2","9","8","5","1","8","1") = "8"
    & skf18("2","9","8","5","1","9","1") = "8"
    & skf18("2","9","8","5","1","10","1") = "9"
    & skf18("2","9","8","5","2","1","1") = "8"
    & skf18("2","9","8","5","2","2","1") = "8"
    & skf18("2","9","8","5","2","3","1") = "8"
    & skf18("2","9","8","5","2","4","1") = "8"
    & skf18("2","9","8","5","2","5","1") = "8"
    & skf18("2","9","8","5","2","6","1") = "8"
    & skf18("2","9","8","5","2","7","1") = "8"
    & skf18("2","9","8","5","2","8","1") = "8"
    & skf18("2","9","8","5","2","9","1") = "8"
    & skf18("2","9","8","5","2","10","1") = "9"
    & skf18("2","9","8","5","3","1","1") = "8"
    & skf18("2","9","8","5","3","2","1") = "8"
    & skf18("2","9","8","5","3","3","1") = "8"
    & skf18("2","9","8","5","3","4","1") = "8"
    & skf18("2","9","8","5","3","5","1") = "8"
    & skf18("2","9","8","5","3","6","1") = "8"
    & skf18("2","9","8","5","3","7","1") = "8"
    & skf18("2","9","8","5","3","8","1") = "8"
    & skf18("2","9","8","5","3","9","1") = "8"
    & skf18("2","9","8","5","3","10","1") = "9"
    & skf18("2","9","8","5","4","1","1") = "8"
    & skf18("2","9","8","5","4","2","1") = "8"
    & skf18("2","9","8","5","4","3","1") = "8"
    & skf18("2","9","8","5","4","4","1") = "8"
    & skf18("2","9","8","5","4","5","1") = "8"
    & skf18("2","9","8","5","4","6","1") = "8"
    & skf18("2","9","8","5","4","7","1") = "8"
    & skf18("2","9","8","5","4","8","1") = "8"
    & skf18("2","9","8","5","4","9","1") = "8"
    & skf18("2","9","8","5","4","10","1") = "9"
    & skf18("2","9","8","5","5","1","1") = "8"
    & skf18("2","9","8","5","5","2","1") = "8"
    & skf18("2","9","8","5","5","3","1") = "8"
    & skf18("2","9","8","5","5","4","1") = "8"
    & skf18("2","9","8","5","5","5","1") = "8"
    & skf18("2","9","8","5","5","6","1") = "8"
    & skf18("2","9","8","5","5","7","1") = "8"
    & skf18("2","9","8","5","5","8","1") = "8"
    & skf18("2","9","8","5","5","9","1") = "8"
    & skf18("2","9","8","5","5","10","1") = "9"
    & skf18("2","9","8","5","6","1","1") = "8"
    & skf18("2","9","8","5","6","2","1") = "8"
    & skf18("2","9","8","5","6","3","1") = "8"
    & skf18("2","9","8","5","6","4","1") = "8"
    & skf18("2","9","8","5","6","5","1") = "8"
    & skf18("2","9","8","5","6","6","1") = "8"
    & skf18("2","9","8","5","6","7","1") = "8"
    & skf18("2","9","8","5","6","8","1") = "8"
    & skf18("2","9","8","5","6","9","1") = "8"
    & skf18("2","9","8","5","6","10","1") = "9"
    & skf18("2","9","8","5","7","1","1") = "8"
    & skf18("2","9","8","5","7","2","1") = "8"
    & skf18("2","9","8","5","7","3","1") = "8"
    & skf18("2","9","8","5","7","4","1") = "8"
    & skf18("2","9","8","5","7","5","1") = "8"
    & skf18("2","9","8","5","7","6","1") = "8"
    & skf18("2","9","8","5","7","7","1") = "8"
    & skf18("2","9","8","5","7","8","1") = "8"
    & skf18("2","9","8","5","7","9","1") = "8"
    & skf18("2","9","8","5","7","10","1") = "9"
    & skf18("2","9","8","5","8","1","1") = "8"
    & skf18("2","9","8","5","8","2","1") = "8"
    & skf18("2","9","8","5","8","3","1") = "8"
    & skf18("2","9","8","5","8","4","1") = "8"
    & skf18("2","9","8","5","8","5","1") = "8"
    & skf18("2","9","8","5","8","6","1") = "8"
    & skf18("2","9","8","5","8","7","1") = "8"
    & skf18("2","9","8","5","8","8","1") = "8"
    & skf18("2","9","8","5","8","9","1") = "8"
    & skf18("2","9","8","5","8","10","1") = "9"
    & skf18("2","9","8","5","9","1","1") = "8"
    & skf18("2","9","8","5","9","2","1") = "8"
    & skf18("2","9","8","5","9","3","1") = "8"
    & skf18("2","9","8","5","9","4","1") = "8"
    & skf18("2","9","8","5","9","5","1") = "8"
    & skf18("2","9","8","5","9","6","1") = "8"
    & skf18("2","9","8","5","9","7","1") = "8"
    & skf18("2","9","8","5","9","8","1") = "8"
    & skf18("2","9","8","5","9","9","1") = "8"
    & skf18("2","9","8","5","9","10","1") = "9"
    & skf18("2","9","8","5","10","1","1") = "9"
    & skf18("2","9","8","5","10","2","1") = "9"
    & skf18("2","9","8","5","10","3","1") = "9"
    & skf18("2","9","8","5","10","4","1") = "9"
    & skf18("2","9","8","5","10","5","1") = "9"
    & skf18("2","9","8","5","10","6","1") = "9"
    & skf18("2","9","8","5","10","7","1") = "9"
    & skf18("2","9","8","5","10","8","1") = "9"
    & skf18("2","9","8","5","10","9","1") = "9"
    & skf18("2","9","8","5","10","10","1") = "9"
    & skf18("2","9","8","6","1","1","1") = "8"
    & skf18("2","9","8","6","1","2","1") = "8"
    & skf18("2","9","8","6","1","3","1") = "8"
    & skf18("2","9","8","6","1","4","1") = "8"
    & skf18("2","9","8","6","1","5","1") = "8"
    & skf18("2","9","8","6","1","6","1") = "8"
    & skf18("2","9","8","6","1","7","1") = "8"
    & skf18("2","9","8","6","1","8","1") = "8"
    & skf18("2","9","8","6","1","9","1") = "8"
    & skf18("2","9","8","6","1","10","1") = "9"
    & skf18("2","9","8","6","2","1","1") = "8"
    & skf18("2","9","8","6","2","2","1") = "8"
    & skf18("2","9","8","6","2","3","1") = "8"
    & skf18("2","9","8","6","2","4","1") = "8"
    & skf18("2","9","8","6","2","5","1") = "8"
    & skf18("2","9","8","6","2","6","1") = "8"
    & skf18("2","9","8","6","2","7","1") = "8"
    & skf18("2","9","8","6","2","8","1") = "8"
    & skf18("2","9","8","6","2","9","1") = "8"
    & skf18("2","9","8","6","2","10","1") = "9"
    & skf18("2","9","8","6","3","1","1") = "8"
    & skf18("2","9","8","6","3","2","1") = "8"
    & skf18("2","9","8","6","3","3","1") = "8"
    & skf18("2","9","8","6","3","4","1") = "8"
    & skf18("2","9","8","6","3","5","1") = "8"
    & skf18("2","9","8","6","3","6","1") = "8"
    & skf18("2","9","8","6","3","7","1") = "8"
    & skf18("2","9","8","6","3","8","1") = "8"
    & skf18("2","9","8","6","3","9","1") = "8"
    & skf18("2","9","8","6","3","10","1") = "9"
    & skf18("2","9","8","6","4","1","1") = "8"
    & skf18("2","9","8","6","4","2","1") = "8"
    & skf18("2","9","8","6","4","3","1") = "8"
    & skf18("2","9","8","6","4","4","1") = "8"
    & skf18("2","9","8","6","4","5","1") = "8"
    & skf18("2","9","8","6","4","6","1") = "8"
    & skf18("2","9","8","6","4","7","1") = "8"
    & skf18("2","9","8","6","4","8","1") = "8"
    & skf18("2","9","8","6","4","9","1") = "8"
    & skf18("2","9","8","6","4","10","1") = "9"
    & skf18("2","9","8","6","5","1","1") = "8"
    & skf18("2","9","8","6","5","2","1") = "8"
    & skf18("2","9","8","6","5","3","1") = "8"
    & skf18("2","9","8","6","5","4","1") = "8"
    & skf18("2","9","8","6","5","5","1") = "8"
    & skf18("2","9","8","6","5","6","1") = "8"
    & skf18("2","9","8","6","5","7","1") = "8"
    & skf18("2","9","8","6","5","8","1") = "8"
    & skf18("2","9","8","6","5","9","1") = "8"
    & skf18("2","9","8","6","5","10","1") = "9"
    & skf18("2","9","8","6","6","1","1") = "8"
    & skf18("2","9","8","6","6","2","1") = "8"
    & skf18("2","9","8","6","6","3","1") = "8"
    & skf18("2","9","8","6","6","4","1") = "8"
    & skf18("2","9","8","6","6","5","1") = "8"
    & skf18("2","9","8","6","6","6","1") = "8"
    & skf18("2","9","8","6","6","7","1") = "8"
    & skf18("2","9","8","6","6","8","1") = "8"
    & skf18("2","9","8","6","6","9","1") = "8"
    & skf18("2","9","8","6","6","10","1") = "9"
    & skf18("2","9","8","6","7","1","1") = "8"
    & skf18("2","9","8","6","7","2","1") = "8"
    & skf18("2","9","8","6","7","3","1") = "8"
    & skf18("2","9","8","6","7","4","1") = "8"
    & skf18("2","9","8","6","7","5","1") = "8"
    & skf18("2","9","8","6","7","6","1") = "8"
    & skf18("2","9","8","6","7","7","1") = "8"
    & skf18("2","9","8","6","7","8","1") = "8"
    & skf18("2","9","8","6","7","9","1") = "8"
    & skf18("2","9","8","6","7","10","1") = "9"
    & skf18("2","9","8","6","8","1","1") = "8"
    & skf18("2","9","8","6","8","2","1") = "8"
    & skf18("2","9","8","6","8","3","1") = "8"
    & skf18("2","9","8","6","8","4","1") = "8"
    & skf18("2","9","8","6","8","5","1") = "8"
    & skf18("2","9","8","6","8","6","1") = "8"
    & skf18("2","9","8","6","8","7","1") = "8"
    & skf18("2","9","8","6","8","8","1") = "8"
    & skf18("2","9","8","6","8","9","1") = "8"
    & skf18("2","9","8","6","8","10","1") = "9"
    & skf18("2","9","8","6","9","1","1") = "8"
    & skf18("2","9","8","6","9","2","1") = "8"
    & skf18("2","9","8","6","9","3","1") = "8"
    & skf18("2","9","8","6","9","4","1") = "8"
    & skf18("2","9","8","6","9","5","1") = "8"
    & skf18("2","9","8","6","9","6","1") = "8"
    & skf18("2","9","8","6","9","7","1") = "8"
    & skf18("2","9","8","6","9","8","1") = "8"
    & skf18("2","9","8","6","9","9","1") = "8"
    & skf18("2","9","8","6","9","10","1") = "9"
    & skf18("2","9","8","6","10","1","1") = "9"
    & skf18("2","9","8","6","10","2","1") = "9"
    & skf18("2","9","8","6","10","3","1") = "9"
    & skf18("2","9","8","6","10","4","1") = "9"
    & skf18("2","9","8","6","10","5","1") = "9"
    & skf18("2","9","8","6","10","6","1") = "9"
    & skf18("2","9","8","6","10","7","1") = "9"
    & skf18("2","9","8","6","10","8","1") = "9"
    & skf18("2","9","8","6","10","9","1") = "9"
    & skf18("2","9","8","6","10","10","1") = "9"
    & skf18("2","9","8","7","1","1","1") = "8"
    & skf18("2","9","8","7","1","2","1") = "8"
    & skf18("2","9","8","7","1","3","1") = "8"
    & skf18("2","9","8","7","1","4","1") = "8"
    & skf18("2","9","8","7","1","5","1") = "8"
    & skf18("2","9","8","7","1","6","1") = "8"
    & skf18("2","9","8","7","1","7","1") = "8"
    & skf18("2","9","8","7","1","8","1") = "8"
    & skf18("2","9","8","7","1","9","1") = "8"
    & skf18("2","9","8","7","1","10","1") = "9"
    & skf18("2","9","8","7","2","1","1") = "8"
    & skf18("2","9","8","7","2","2","1") = "8"
    & skf18("2","9","8","7","2","3","1") = "8"
    & skf18("2","9","8","7","2","4","1") = "8"
    & skf18("2","9","8","7","2","5","1") = "8"
    & skf18("2","9","8","7","2","6","1") = "8"
    & skf18("2","9","8","7","2","7","1") = "8"
    & skf18("2","9","8","7","2","8","1") = "8"
    & skf18("2","9","8","7","2","9","1") = "8"
    & skf18("2","9","8","7","2","10","1") = "9"
    & skf18("2","9","8","7","3","1","1") = "8"
    & skf18("2","9","8","7","3","2","1") = "8"
    & skf18("2","9","8","7","3","3","1") = "8"
    & skf18("2","9","8","7","3","4","1") = "8"
    & skf18("2","9","8","7","3","5","1") = "8"
    & skf18("2","9","8","7","3","6","1") = "8"
    & skf18("2","9","8","7","3","7","1") = "8"
    & skf18("2","9","8","7","3","8","1") = "8"
    & skf18("2","9","8","7","3","9","1") = "8"
    & skf18("2","9","8","7","3","10","1") = "9"
    & skf18("2","9","8","7","4","1","1") = "8"
    & skf18("2","9","8","7","4","2","1") = "8"
    & skf18("2","9","8","7","4","3","1") = "8"
    & skf18("2","9","8","7","4","4","1") = "8"
    & skf18("2","9","8","7","4","5","1") = "8"
    & skf18("2","9","8","7","4","6","1") = "8"
    & skf18("2","9","8","7","4","7","1") = "8"
    & skf18("2","9","8","7","4","8","1") = "8"
    & skf18("2","9","8","7","4","9","1") = "8"
    & skf18("2","9","8","7","4","10","1") = "9"
    & skf18("2","9","8","7","5","1","1") = "8"
    & skf18("2","9","8","7","5","2","1") = "8"
    & skf18("2","9","8","7","5","3","1") = "8"
    & skf18("2","9","8","7","5","4","1") = "8"
    & skf18("2","9","8","7","5","5","1") = "8"
    & skf18("2","9","8","7","5","6","1") = "8"
    & skf18("2","9","8","7","5","7","1") = "8"
    & skf18("2","9","8","7","5","8","1") = "8"
    & skf18("2","9","8","7","5","9","1") = "8"
    & skf18("2","9","8","7","5","10","1") = "9"
    & skf18("2","9","8","7","6","1","1") = "8"
    & skf18("2","9","8","7","6","2","1") = "8"
    & skf18("2","9","8","7","6","3","1") = "8"
    & skf18("2","9","8","7","6","4","1") = "8"
    & skf18("2","9","8","7","6","5","1") = "8"
    & skf18("2","9","8","7","6","6","1") = "8"
    & skf18("2","9","8","7","6","7","1") = "8"
    & skf18("2","9","8","7","6","8","1") = "8"
    & skf18("2","9","8","7","6","9","1") = "8"
    & skf18("2","9","8","7","6","10","1") = "9"
    & skf18("2","9","8","7","7","1","1") = "8"
    & skf18("2","9","8","7","7","2","1") = "8"
    & skf18("2","9","8","7","7","3","1") = "8"
    & skf18("2","9","8","7","7","4","1") = "8"
    & skf18("2","9","8","7","7","5","1") = "8"
    & skf18("2","9","8","7","7","6","1") = "8"
    & skf18("2","9","8","7","7","7","1") = "8"
    & skf18("2","9","8","7","7","8","1") = "8"
    & skf18("2","9","8","7","7","9","1") = "8"
    & skf18("2","9","8","7","7","10","1") = "9"
    & skf18("2","9","8","7","8","1","1") = "8"
    & skf18("2","9","8","7","8","2","1") = "8"
    & skf18("2","9","8","7","8","3","1") = "8"
    & skf18("2","9","8","7","8","4","1") = "8"
    & skf18("2","9","8","7","8","5","1") = "8"
    & skf18("2","9","8","7","8","6","1") = "8"
    & skf18("2","9","8","7","8","7","1") = "8"
    & skf18("2","9","8","7","8","8","1") = "8"
    & skf18("2","9","8","7","8","9","1") = "8"
    & skf18("2","9","8","7","8","10","1") = "9"
    & skf18("2","9","8","7","9","1","1") = "8"
    & skf18("2","9","8","7","9","2","1") = "8"
    & skf18("2","9","8","7","9","3","1") = "8"
    & skf18("2","9","8","7","9","4","1") = "8"
    & skf18("2","9","8","7","9","5","1") = "8"
    & skf18("2","9","8","7","9","6","1") = "8"
    & skf18("2","9","8","7","9","7","1") = "8"
    & skf18("2","9","8","7","9","8","1") = "8"
    & skf18("2","9","8","7","9","9","1") = "8"
    & skf18("2","9","8","7","9","10","1") = "9"
    & skf18("2","9","8","7","10","1","1") = "9"
    & skf18("2","9","8","7","10","2","1") = "9"
    & skf18("2","9","8","7","10","3","1") = "9"
    & skf18("2","9","8","7","10","4","1") = "9"
    & skf18("2","9","8","7","10","5","1") = "9"
    & skf18("2","9","8","7","10","6","1") = "9"
    & skf18("2","9","8","7","10","7","1") = "9"
    & skf18("2","9","8","7","10","8","1") = "9"
    & skf18("2","9","8","7","10","9","1") = "9"
    & skf18("2","9","8","7","10","10","1") = "9"
    & skf18("2","9","8","8","1","1","1") = "8"
    & skf18("2","9","8","8","1","2","1") = "8"
    & skf18("2","9","8","8","1","3","1") = "8"
    & skf18("2","9","8","8","1","4","1") = "8"
    & skf18("2","9","8","8","1","5","1") = "8"
    & skf18("2","9","8","8","1","6","1") = "8"
    & skf18("2","9","8","8","1","7","1") = "8"
    & skf18("2","9","8","8","1","8","1") = "8"
    & skf18("2","9","8","8","1","9","1") = "8"
    & skf18("2","9","8","8","1","10","1") = "9"
    & skf18("2","9","8","8","2","1","1") = "8"
    & skf18("2","9","8","8","2","2","1") = "8"
    & skf18("2","9","8","8","2","3","1") = "8"
    & skf18("2","9","8","8","2","4","1") = "8"
    & skf18("2","9","8","8","2","5","1") = "8"
    & skf18("2","9","8","8","2","6","1") = "8"
    & skf18("2","9","8","8","2","7","1") = "8"
    & skf18("2","9","8","8","2","8","1") = "8"
    & skf18("2","9","8","8","2","9","1") = "8"
    & skf18("2","9","8","8","2","10","1") = "9"
    & skf18("2","9","8","8","3","1","1") = "8"
    & skf18("2","9","8","8","3","2","1") = "8"
    & skf18("2","9","8","8","3","3","1") = "8"
    & skf18("2","9","8","8","3","4","1") = "8"
    & skf18("2","9","8","8","3","5","1") = "8"
    & skf18("2","9","8","8","3","6","1") = "8"
    & skf18("2","9","8","8","3","7","1") = "8"
    & skf18("2","9","8","8","3","8","1") = "8"
    & skf18("2","9","8","8","3","9","1") = "8"
    & skf18("2","9","8","8","3","10","1") = "9"
    & skf18("2","9","8","8","4","1","1") = "8"
    & skf18("2","9","8","8","4","2","1") = "8"
    & skf18("2","9","8","8","4","3","1") = "8"
    & skf18("2","9","8","8","4","4","1") = "8"
    & skf18("2","9","8","8","4","5","1") = "8"
    & skf18("2","9","8","8","4","6","1") = "8"
    & skf18("2","9","8","8","4","7","1") = "8"
    & skf18("2","9","8","8","4","8","1") = "8"
    & skf18("2","9","8","8","4","9","1") = "8"
    & skf18("2","9","8","8","4","10","1") = "9"
    & skf18("2","9","8","8","5","1","1") = "8"
    & skf18("2","9","8","8","5","2","1") = "8"
    & skf18("2","9","8","8","5","3","1") = "8"
    & skf18("2","9","8","8","5","4","1") = "8"
    & skf18("2","9","8","8","5","5","1") = "8"
    & skf18("2","9","8","8","5","6","1") = "8"
    & skf18("2","9","8","8","5","7","1") = "8"
    & skf18("2","9","8","8","5","8","1") = "8"
    & skf18("2","9","8","8","5","9","1") = "8"
    & skf18("2","9","8","8","5","10","1") = "9"
    & skf18("2","9","8","8","6","1","1") = "8"
    & skf18("2","9","8","8","6","2","1") = "8"
    & skf18("2","9","8","8","6","3","1") = "8"
    & skf18("2","9","8","8","6","4","1") = "8"
    & skf18("2","9","8","8","6","5","1") = "8"
    & skf18("2","9","8","8","6","6","1") = "8"
    & skf18("2","9","8","8","6","7","1") = "8"
    & skf18("2","9","8","8","6","8","1") = "8"
    & skf18("2","9","8","8","6","9","1") = "8"
    & skf18("2","9","8","8","6","10","1") = "9"
    & skf18("2","9","8","8","7","1","1") = "8"
    & skf18("2","9","8","8","7","2","1") = "8"
    & skf18("2","9","8","8","7","3","1") = "8"
    & skf18("2","9","8","8","7","4","1") = "8"
    & skf18("2","9","8","8","7","5","1") = "8"
    & skf18("2","9","8","8","7","6","1") = "8"
    & skf18("2","9","8","8","7","7","1") = "8"
    & skf18("2","9","8","8","7","8","1") = "8"
    & skf18("2","9","8","8","7","9","1") = "8"
    & skf18("2","9","8","8","7","10","1") = "9"
    & skf18("2","9","8","8","8","1","1") = "8"
    & skf18("2","9","8","8","8","2","1") = "8"
    & skf18("2","9","8","8","8","3","1") = "8"
    & skf18("2","9","8","8","8","4","1") = "8"
    & skf18("2","9","8","8","8","5","1") = "8"
    & skf18("2","9","8","8","8","6","1") = "8"
    & skf18("2","9","8","8","8","7","1") = "8"
    & skf18("2","9","8","8","8","8","1") = "8"
    & skf18("2","9","8","8","8","9","1") = "8"
    & skf18("2","9","8","8","8","10","1") = "9"
    & skf18("2","9","8","8","9","1","1") = "8"
    & skf18("2","9","8","8","9","2","1") = "8"
    & skf18("2","9","8","8","9","3","1") = "8"
    & skf18("2","9","8","8","9","4","1") = "8"
    & skf18("2","9","8","8","9","5","1") = "8"
    & skf18("2","9","8","8","9","6","1") = "8"
    & skf18("2","9","8","8","9","7","1") = "8"
    & skf18("2","9","8","8","9","8","1") = "8"
    & skf18("2","9","8","8","9","9","1") = "8"
    & skf18("2","9","8","8","9","10","1") = "9"
    & skf18("2","9","8","8","10","1","1") = "9"
    & skf18("2","9","8","8","10","2","1") = "9"
    & skf18("2","9","8","8","10","3","1") = "9"
    & skf18("2","9","8","8","10","4","1") = "9"
    & skf18("2","9","8","8","10","5","1") = "9"
    & skf18("2","9","8","8","10","6","1") = "9"
    & skf18("2","9","8","8","10","7","1") = "9"
    & skf18("2","9","8","8","10","8","1") = "9"
    & skf18("2","9","8","8","10","9","1") = "9"
    & skf18("2","9","8","8","10","10","1") = "9"
    & skf18("2","9","8","9","1","1","1") = "8"
    & skf18("2","9","8","9","1","2","1") = "8"
    & skf18("2","9","8","9","1","3","1") = "8"
    & skf18("2","9","8","9","1","4","1") = "8"
    & skf18("2","9","8","9","1","5","1") = "8"
    & skf18("2","9","8","9","1","6","1") = "8"
    & skf18("2","9","8","9","1","7","1") = "8"
    & skf18("2","9","8","9","1","8","1") = "8"
    & skf18("2","9","8","9","1","9","1") = "8"
    & skf18("2","9","8","9","1","10","1") = "9"
    & skf18("2","9","8","9","2","1","1") = "8"
    & skf18("2","9","8","9","2","2","1") = "8"
    & skf18("2","9","8","9","2","3","1") = "8"
    & skf18("2","9","8","9","2","4","1") = "8"
    & skf18("2","9","8","9","2","5","1") = "8"
    & skf18("2","9","8","9","2","6","1") = "8"
    & skf18("2","9","8","9","2","7","1") = "8"
    & skf18("2","9","8","9","2","8","1") = "8"
    & skf18("2","9","8","9","2","9","1") = "8"
    & skf18("2","9","8","9","2","10","1") = "9"
    & skf18("2","9","8","9","3","1","1") = "8"
    & skf18("2","9","8","9","3","2","1") = "8"
    & skf18("2","9","8","9","3","3","1") = "8"
    & skf18("2","9","8","9","3","4","1") = "8"
    & skf18("2","9","8","9","3","5","1") = "8"
    & skf18("2","9","8","9","3","6","1") = "8"
    & skf18("2","9","8","9","3","7","1") = "8"
    & skf18("2","9","8","9","3","8","1") = "8"
    & skf18("2","9","8","9","3","9","1") = "8"
    & skf18("2","9","8","9","3","10","1") = "9"
    & skf18("2","9","8","9","4","1","1") = "8"
    & skf18("2","9","8","9","4","2","1") = "8"
    & skf18("2","9","8","9","4","3","1") = "8"
    & skf18("2","9","8","9","4","4","1") = "8"
    & skf18("2","9","8","9","4","5","1") = "8"
    & skf18("2","9","8","9","4","6","1") = "8"
    & skf18("2","9","8","9","4","7","1") = "8"
    & skf18("2","9","8","9","4","8","1") = "8"
    & skf18("2","9","8","9","4","9","1") = "8"
    & skf18("2","9","8","9","4","10","1") = "9"
    & skf18("2","9","8","9","5","1","1") = "8"
    & skf18("2","9","8","9","5","2","1") = "8"
    & skf18("2","9","8","9","5","3","1") = "8"
    & skf18("2","9","8","9","5","4","1") = "8"
    & skf18("2","9","8","9","5","5","1") = "8"
    & skf18("2","9","8","9","5","6","1") = "8"
    & skf18("2","9","8","9","5","7","1") = "8"
    & skf18("2","9","8","9","5","8","1") = "8"
    & skf18("2","9","8","9","5","9","1") = "8"
    & skf18("2","9","8","9","5","10","1") = "9"
    & skf18("2","9","8","9","6","1","1") = "8"
    & skf18("2","9","8","9","6","2","1") = "8"
    & skf18("2","9","8","9","6","3","1") = "8"
    & skf18("2","9","8","9","6","4","1") = "8"
    & skf18("2","9","8","9","6","5","1") = "8"
    & skf18("2","9","8","9","6","6","1") = "8"
    & skf18("2","9","8","9","6","7","1") = "8"
    & skf18("2","9","8","9","6","8","1") = "8"
    & skf18("2","9","8","9","6","9","1") = "8"
    & skf18("2","9","8","9","6","10","1") = "9"
    & skf18("2","9","8","9","7","1","1") = "8"
    & skf18("2","9","8","9","7","2","1") = "8"
    & skf18("2","9","8","9","7","3","1") = "8"
    & skf18("2","9","8","9","7","4","1") = "8"
    & skf18("2","9","8","9","7","5","1") = "8"
    & skf18("2","9","8","9","7","6","1") = "8"
    & skf18("2","9","8","9","7","7","1") = "8"
    & skf18("2","9","8","9","7","8","1") = "8"
    & skf18("2","9","8","9","7","9","1") = "8"
    & skf18("2","9","8","9","7","10","1") = "9"
    & skf18("2","9","8","9","8","1","1") = "8"
    & skf18("2","9","8","9","8","2","1") = "8"
    & skf18("2","9","8","9","8","3","1") = "8"
    & skf18("2","9","8","9","8","4","1") = "8"
    & skf18("2","9","8","9","8","5","1") = "8"
    & skf18("2","9","8","9","8","6","1") = "8"
    & skf18("2","9","8","9","8","7","1") = "8"
    & skf18("2","9","8","9","8","8","1") = "8"
    & skf18("2","9","8","9","8","9","1") = "8"
    & skf18("2","9","8","9","8","10","1") = "9"
    & skf18("2","9","8","9","9","1","1") = "8"
    & skf18("2","9","8","9","9","2","1") = "8"
    & skf18("2","9","8","9","9","3","1") = "8"
    & skf18("2","9","8","9","9","4","1") = "8"
    & skf18("2","9","8","9","9","5","1") = "8"
    & skf18("2","9","8","9","9","6","1") = "8"
    & skf18("2","9","8","9","9","7","1") = "8"
    & skf18("2","9","8","9","9","8","1") = "8"
    & skf18("2","9","8","9","9","9","1") = "8"
    & skf18("2","9","8","9","9","10","1") = "9"
    & skf18("2","9","8","9","10","1","1") = "9"
    & skf18("2","9","8","9","10","2","1") = "9"
    & skf18("2","9","8","9","10","3","1") = "9"
    & skf18("2","9","8","9","10","4","1") = "9"
    & skf18("2","9","8","9","10","5","1") = "9"
    & skf18("2","9","8","9","10","6","1") = "9"
    & skf18("2","9","8","9","10","7","1") = "9"
    & skf18("2","9","8","9","10","8","1") = "9"
    & skf18("2","9","8","9","10","9","1") = "9"
    & skf18("2","9","8","9","10","10","1") = "9"
    & skf18("2","9","8","10","1","1","1") = "9"
    & skf18("2","9","8","10","1","2","1") = "9"
    & skf18("2","9","8","10","1","3","1") = "9"
    & skf18("2","9","8","10","1","4","1") = "9"
    & skf18("2","9","8","10","1","5","1") = "9"
    & skf18("2","9","8","10","1","6","1") = "9"
    & skf18("2","9","8","10","1","7","1") = "9"
    & skf18("2","9","8","10","1","8","1") = "9"
    & skf18("2","9","8","10","1","9","1") = "9"
    & skf18("2","9","8","10","1","10","1") = "9"
    & skf18("2","9","8","10","2","1","1") = "9"
    & skf18("2","9","8","10","2","2","1") = "9"
    & skf18("2","9","8","10","2","3","1") = "9"
    & skf18("2","9","8","10","2","4","1") = "9"
    & skf18("2","9","8","10","2","5","1") = "9"
    & skf18("2","9","8","10","2","6","1") = "9"
    & skf18("2","9","8","10","2","7","1") = "9"
    & skf18("2","9","8","10","2","8","1") = "9"
    & skf18("2","9","8","10","2","9","1") = "9"
    & skf18("2","9","8","10","2","10","1") = "9"
    & skf18("2","9","8","10","3","1","1") = "9"
    & skf18("2","9","8","10","3","2","1") = "9"
    & skf18("2","9","8","10","3","3","1") = "9"
    & skf18("2","9","8","10","3","4","1") = "9"
    & skf18("2","9","8","10","3","5","1") = "9"
    & skf18("2","9","8","10","3","6","1") = "9"
    & skf18("2","9","8","10","3","7","1") = "9"
    & skf18("2","9","8","10","3","8","1") = "9"
    & skf18("2","9","8","10","3","9","1") = "9"
    & skf18("2","9","8","10","3","10","1") = "9"
    & skf18("2","9","8","10","4","1","1") = "9"
    & skf18("2","9","8","10","4","2","1") = "9"
    & skf18("2","9","8","10","4","3","1") = "9"
    & skf18("2","9","8","10","4","4","1") = "9"
    & skf18("2","9","8","10","4","5","1") = "9"
    & skf18("2","9","8","10","4","6","1") = "9"
    & skf18("2","9","8","10","4","7","1") = "9"
    & skf18("2","9","8","10","4","8","1") = "9"
    & skf18("2","9","8","10","4","9","1") = "9"
    & skf18("2","9","8","10","4","10","1") = "9"
    & skf18("2","9","8","10","5","1","1") = "9"
    & skf18("2","9","8","10","5","2","1") = "9"
    & skf18("2","9","8","10","5","3","1") = "9"
    & skf18("2","9","8","10","5","4","1") = "9"
    & skf18("2","9","8","10","5","5","1") = "9"
    & skf18("2","9","8","10","5","6","1") = "9"
    & skf18("2","9","8","10","5","7","1") = "9"
    & skf18("2","9","8","10","5","8","1") = "9"
    & skf18("2","9","8","10","5","9","1") = "9"
    & skf18("2","9","8","10","5","10","1") = "9"
    & skf18("2","9","8","10","6","1","1") = "9"
    & skf18("2","9","8","10","6","2","1") = "9"
    & skf18("2","9","8","10","6","3","1") = "9"
    & skf18("2","9","8","10","6","4","1") = "9"
    & skf18("2","9","8","10","6","5","1") = "9"
    & skf18("2","9","8","10","6","6","1") = "9"
    & skf18("2","9","8","10","6","7","1") = "9"
    & skf18("2","9","8","10","6","8","1") = "9"
    & skf18("2","9","8","10","6","9","1") = "9"
    & skf18("2","9","8","10","6","10","1") = "9"
    & skf18("2","9","8","10","7","1","1") = "9"
    & skf18("2","9","8","10","7","2","1") = "9"
    & skf18("2","9","8","10","7","3","1") = "9"
    & skf18("2","9","8","10","7","4","1") = "9"
    & skf18("2","9","8","10","7","5","1") = "9"
    & skf18("2","9","8","10","7","6","1") = "9"
    & skf18("2","9","8","10","7","7","1") = "9"
    & skf18("2","9","8","10","7","8","1") = "9"
    & skf18("2","9","8","10","7","9","1") = "9"
    & skf18("2","9","8","10","7","10","1") = "9"
    & skf18("2","9","8","10","8","1","1") = "9"
    & skf18("2","9","8","10","8","2","1") = "9"
    & skf18("2","9","8","10","8","3","1") = "9"
    & skf18("2","9","8","10","8","4","1") = "9"
    & skf18("2","9","8","10","8","5","1") = "9"
    & skf18("2","9","8","10","8","6","1") = "9"
    & skf18("2","9","8","10","8","7","1") = "9"
    & skf18("2","9","8","10","8","8","1") = "9"
    & skf18("2","9","8","10","8","9","1") = "9"
    & skf18("2","9","8","10","8","10","1") = "9"
    & skf18("2","9","8","10","9","1","1") = "9"
    & skf18("2","9","8","10","9","2","1") = "9"
    & skf18("2","9","8","10","9","3","1") = "9"
    & skf18("2","9","8","10","9","4","1") = "9"
    & skf18("2","9","8","10","9","5","1") = "9"
    & skf18("2","9","8","10","9","6","1") = "9"
    & skf18("2","9","8","10","9","7","1") = "9"
    & skf18("2","9","8","10","9","8","1") = "9"
    & skf18("2","9","8","10","9","9","1") = "9"
    & skf18("2","9","8","10","9","10","1") = "9"
    & skf18("2","9","8","10","10","1","1") = "9"
    & skf18("2","9","8","10","10","2","1") = "9"
    & skf18("2","9","8","10","10","3","1") = "9"
    & skf18("2","9","8","10","10","4","1") = "9"
    & skf18("2","9","8","10","10","5","1") = "9"
    & skf18("2","9","8","10","10","6","1") = "9"
    & skf18("2","9","8","10","10","7","1") = "9"
    & skf18("2","9","8","10","10","8","1") = "9"
    & skf18("2","9","8","10","10","9","1") = "9"
    & skf18("2","9","8","10","10","10","1") = "9"
    & skf18("2","9","9","1","1","1","1") = "8"
    & skf18("2","9","9","1","1","2","1") = "8"
    & skf18("2","9","9","1","1","3","1") = "8"
    & skf18("2","9","9","1","1","4","1") = "8"
    & skf18("2","9","9","1","1","5","1") = "8"
    & skf18("2","9","9","1","1","6","1") = "8"
    & skf18("2","9","9","1","1","7","1") = "8"
    & skf18("2","9","9","1","1","8","1") = "8"
    & skf18("2","9","9","1","1","9","1") = "8"
    & skf18("2","9","9","1","1","10","1") = "9"
    & skf18("2","9","9","1","2","1","1") = "8"
    & skf18("2","9","9","1","2","2","1") = "8"
    & skf18("2","9","9","1","2","3","1") = "8"
    & skf18("2","9","9","1","2","4","1") = "8"
    & skf18("2","9","9","1","2","5","1") = "8"
    & skf18("2","9","9","1","2","6","1") = "8"
    & skf18("2","9","9","1","2","7","1") = "8"
    & skf18("2","9","9","1","2","8","1") = "8"
    & skf18("2","9","9","1","2","9","1") = "8"
    & skf18("2","9","9","1","2","10","1") = "9"
    & skf18("2","9","9","1","3","1","1") = "8"
    & skf18("2","9","9","1","3","2","1") = "8"
    & skf18("2","9","9","1","3","3","1") = "8"
    & skf18("2","9","9","1","3","4","1") = "8"
    & skf18("2","9","9","1","3","5","1") = "8"
    & skf18("2","9","9","1","3","6","1") = "8"
    & skf18("2","9","9","1","3","7","1") = "8"
    & skf18("2","9","9","1","3","8","1") = "8"
    & skf18("2","9","9","1","3","9","1") = "8"
    & skf18("2","9","9","1","3","10","1") = "9"
    & skf18("2","9","9","1","4","1","1") = "8"
    & skf18("2","9","9","1","4","2","1") = "8"
    & skf18("2","9","9","1","4","3","1") = "8"
    & skf18("2","9","9","1","4","4","1") = "8"
    & skf18("2","9","9","1","4","5","1") = "8"
    & skf18("2","9","9","1","4","6","1") = "8"
    & skf18("2","9","9","1","4","7","1") = "8"
    & skf18("2","9","9","1","4","8","1") = "8"
    & skf18("2","9","9","1","4","9","1") = "8"
    & skf18("2","9","9","1","4","10","1") = "9"
    & skf18("2","9","9","1","5","1","1") = "8"
    & skf18("2","9","9","1","5","2","1") = "8"
    & skf18("2","9","9","1","5","3","1") = "8"
    & skf18("2","9","9","1","5","4","1") = "8"
    & skf18("2","9","9","1","5","5","1") = "8"
    & skf18("2","9","9","1","5","6","1") = "8"
    & skf18("2","9","9","1","5","7","1") = "8"
    & skf18("2","9","9","1","5","8","1") = "8"
    & skf18("2","9","9","1","5","9","1") = "8"
    & skf18("2","9","9","1","5","10","1") = "9"
    & skf18("2","9","9","1","6","1","1") = "8"
    & skf18("2","9","9","1","6","2","1") = "8"
    & skf18("2","9","9","1","6","3","1") = "8"
    & skf18("2","9","9","1","6","4","1") = "8"
    & skf18("2","9","9","1","6","5","1") = "8"
    & skf18("2","9","9","1","6","6","1") = "8"
    & skf18("2","9","9","1","6","7","1") = "8"
    & skf18("2","9","9","1","6","8","1") = "8"
    & skf18("2","9","9","1","6","9","1") = "8"
    & skf18("2","9","9","1","6","10","1") = "9"
    & skf18("2","9","9","1","7","1","1") = "8"
    & skf18("2","9","9","1","7","2","1") = "8"
    & skf18("2","9","9","1","7","3","1") = "8"
    & skf18("2","9","9","1","7","4","1") = "8"
    & skf18("2","9","9","1","7","5","1") = "8"
    & skf18("2","9","9","1","7","6","1") = "8"
    & skf18("2","9","9","1","7","7","1") = "8"
    & skf18("2","9","9","1","7","8","1") = "8"
    & skf18("2","9","9","1","7","9","1") = "8"
    & skf18("2","9","9","1","7","10","1") = "9"
    & skf18("2","9","9","1","8","1","1") = "8"
    & skf18("2","9","9","1","8","2","1") = "8"
    & skf18("2","9","9","1","8","3","1") = "8"
    & skf18("2","9","9","1","8","4","1") = "8"
    & skf18("2","9","9","1","8","5","1") = "8"
    & skf18("2","9","9","1","8","6","1") = "8"
    & skf18("2","9","9","1","8","7","1") = "8"
    & skf18("2","9","9","1","8","8","1") = "8"
    & skf18("2","9","9","1","8","9","1") = "8"
    & skf18("2","9","9","1","8","10","1") = "9"
    & skf18("2","9","9","1","9","1","1") = "8"
    & skf18("2","9","9","1","9","2","1") = "8"
    & skf18("2","9","9","1","9","3","1") = "8"
    & skf18("2","9","9","1","9","4","1") = "8"
    & skf18("2","9","9","1","9","5","1") = "8"
    & skf18("2","9","9","1","9","6","1") = "8"
    & skf18("2","9","9","1","9","7","1") = "8"
    & skf18("2","9","9","1","9","8","1") = "8"
    & skf18("2","9","9","1","9","9","1") = "8"
    & skf18("2","9","9","1","9","10","1") = "9"
    & skf18("2","9","9","1","10","1","1") = "9"
    & skf18("2","9","9","1","10","2","1") = "9"
    & skf18("2","9","9","1","10","3","1") = "9"
    & skf18("2","9","9","1","10","4","1") = "9"
    & skf18("2","9","9","1","10","5","1") = "9"
    & skf18("2","9","9","1","10","6","1") = "9"
    & skf18("2","9","9","1","10","7","1") = "9"
    & skf18("2","9","9","1","10","8","1") = "9"
    & skf18("2","9","9","1","10","9","1") = "9"
    & skf18("2","9","9","1","10","10","1") = "9"
    & skf18("2","9","9","2","1","1","1") = "8"
    & skf18("2","9","9","2","1","2","1") = "8"
    & skf18("2","9","9","2","1","3","1") = "8"
    & skf18("2","9","9","2","1","4","1") = "8"
    & skf18("2","9","9","2","1","5","1") = "8"
    & skf18("2","9","9","2","1","6","1") = "8"
    & skf18("2","9","9","2","1","7","1") = "8"
    & skf18("2","9","9","2","1","8","1") = "8"
    & skf18("2","9","9","2","1","9","1") = "8"
    & skf18("2","9","9","2","1","10","1") = "9"
    & skf18("2","9","9","2","2","1","1") = "8"
    & skf18("2","9","9","2","2","2","1") = "8"
    & skf18("2","9","9","2","2","3","1") = "8"
    & skf18("2","9","9","2","2","4","1") = "8"
    & skf18("2","9","9","2","2","5","1") = "8"
    & skf18("2","9","9","2","2","6","1") = "8"
    & skf18("2","9","9","2","2","7","1") = "8"
    & skf18("2","9","9","2","2","8","1") = "8"
    & skf18("2","9","9","2","2","9","1") = "8"
    & skf18("2","9","9","2","2","10","1") = "9"
    & skf18("2","9","9","2","3","1","1") = "8"
    & skf18("2","9","9","2","3","2","1") = "8"
    & skf18("2","9","9","2","3","3","1") = "8"
    & skf18("2","9","9","2","3","4","1") = "8"
    & skf18("2","9","9","2","3","5","1") = "8"
    & skf18("2","9","9","2","3","6","1") = "8"
    & skf18("2","9","9","2","3","7","1") = "8"
    & skf18("2","9","9","2","3","8","1") = "8"
    & skf18("2","9","9","2","3","9","1") = "8"
    & skf18("2","9","9","2","3","10","1") = "9"
    & skf18("2","9","9","2","4","1","1") = "8"
    & skf18("2","9","9","2","4","2","1") = "8"
    & skf18("2","9","9","2","4","3","1") = "8"
    & skf18("2","9","9","2","4","4","1") = "8"
    & skf18("2","9","9","2","4","5","1") = "8"
    & skf18("2","9","9","2","4","6","1") = "8"
    & skf18("2","9","9","2","4","7","1") = "8"
    & skf18("2","9","9","2","4","8","1") = "8"
    & skf18("2","9","9","2","4","9","1") = "8"
    & skf18("2","9","9","2","4","10","1") = "9"
    & skf18("2","9","9","2","5","1","1") = "8"
    & skf18("2","9","9","2","5","2","1") = "8"
    & skf18("2","9","9","2","5","3","1") = "8"
    & skf18("2","9","9","2","5","4","1") = "8"
    & skf18("2","9","9","2","5","5","1") = "8"
    & skf18("2","9","9","2","5","6","1") = "8"
    & skf18("2","9","9","2","5","7","1") = "8"
    & skf18("2","9","9","2","5","8","1") = "8"
    & skf18("2","9","9","2","5","9","1") = "8"
    & skf18("2","9","9","2","5","10","1") = "9"
    & skf18("2","9","9","2","6","1","1") = "8"
    & skf18("2","9","9","2","6","2","1") = "8"
    & skf18("2","9","9","2","6","3","1") = "8"
    & skf18("2","9","9","2","6","4","1") = "8"
    & skf18("2","9","9","2","6","5","1") = "8"
    & skf18("2","9","9","2","6","6","1") = "8"
    & skf18("2","9","9","2","6","7","1") = "8"
    & skf18("2","9","9","2","6","8","1") = "8"
    & skf18("2","9","9","2","6","9","1") = "8"
    & skf18("2","9","9","2","6","10","1") = "9"
    & skf18("2","9","9","2","7","1","1") = "8"
    & skf18("2","9","9","2","7","2","1") = "8"
    & skf18("2","9","9","2","7","3","1") = "8"
    & skf18("2","9","9","2","7","4","1") = "8"
    & skf18("2","9","9","2","7","5","1") = "8"
    & skf18("2","9","9","2","7","6","1") = "8"
    & skf18("2","9","9","2","7","7","1") = "8"
    & skf18("2","9","9","2","7","8","1") = "8"
    & skf18("2","9","9","2","7","9","1") = "8"
    & skf18("2","9","9","2","7","10","1") = "9"
    & skf18("2","9","9","2","8","1","1") = "8"
    & skf18("2","9","9","2","8","2","1") = "8"
    & skf18("2","9","9","2","8","3","1") = "8"
    & skf18("2","9","9","2","8","4","1") = "8"
    & skf18("2","9","9","2","8","5","1") = "8"
    & skf18("2","9","9","2","8","6","1") = "8"
    & skf18("2","9","9","2","8","7","1") = "8"
    & skf18("2","9","9","2","8","8","1") = "8"
    & skf18("2","9","9","2","8","9","1") = "8"
    & skf18("2","9","9","2","8","10","1") = "9"
    & skf18("2","9","9","2","9","1","1") = "8"
    & skf18("2","9","9","2","9","2","1") = "8"
    & skf18("2","9","9","2","9","3","1") = "8"
    & skf18("2","9","9","2","9","4","1") = "8"
    & skf18("2","9","9","2","9","5","1") = "8"
    & skf18("2","9","9","2","9","6","1") = "8"
    & skf18("2","9","9","2","9","7","1") = "8"
    & skf18("2","9","9","2","9","8","1") = "8"
    & skf18("2","9","9","2","9","9","1") = "8"
    & skf18("2","9","9","2","9","10","1") = "9"
    & skf18("2","9","9","2","10","1","1") = "9"
    & skf18("2","9","9","2","10","2","1") = "9"
    & skf18("2","9","9","2","10","3","1") = "9"
    & skf18("2","9","9","2","10","4","1") = "9"
    & skf18("2","9","9","2","10","5","1") = "9"
    & skf18("2","9","9","2","10","6","1") = "9"
    & skf18("2","9","9","2","10","7","1") = "9"
    & skf18("2","9","9","2","10","8","1") = "9"
    & skf18("2","9","9","2","10","9","1") = "9"
    & skf18("2","9","9","2","10","10","1") = "9"
    & skf18("2","9","9","3","1","1","1") = "8"
    & skf18("2","9","9","3","1","2","1") = "8"
    & skf18("2","9","9","3","1","3","1") = "8"
    & skf18("2","9","9","3","1","4","1") = "8"
    & skf18("2","9","9","3","1","5","1") = "8"
    & skf18("2","9","9","3","1","6","1") = "8"
    & skf18("2","9","9","3","1","7","1") = "8"
    & skf18("2","9","9","3","1","8","1") = "8"
    & skf18("2","9","9","3","1","9","1") = "8"
    & skf18("2","9","9","3","1","10","1") = "9"
    & skf18("2","9","9","3","2","1","1") = "8"
    & skf18("2","9","9","3","2","2","1") = "8"
    & skf18("2","9","9","3","2","3","1") = "8"
    & skf18("2","9","9","3","2","4","1") = "8"
    & skf18("2","9","9","3","2","5","1") = "8"
    & skf18("2","9","9","3","2","6","1") = "8"
    & skf18("2","9","9","3","2","7","1") = "8"
    & skf18("2","9","9","3","2","8","1") = "8"
    & skf18("2","9","9","3","2","9","1") = "8"
    & skf18("2","9","9","3","2","10","1") = "9"
    & skf18("2","9","9","3","3","1","1") = "8"
    & skf18("2","9","9","3","3","2","1") = "8"
    & skf18("2","9","9","3","3","3","1") = "8"
    & skf18("2","9","9","3","3","4","1") = "8"
    & skf18("2","9","9","3","3","5","1") = "8"
    & skf18("2","9","9","3","3","6","1") = "8"
    & skf18("2","9","9","3","3","7","1") = "8"
    & skf18("2","9","9","3","3","8","1") = "8"
    & skf18("2","9","9","3","3","9","1") = "8"
    & skf18("2","9","9","3","3","10","1") = "9"
    & skf18("2","9","9","3","4","1","1") = "8"
    & skf18("2","9","9","3","4","2","1") = "8"
    & skf18("2","9","9","3","4","3","1") = "8"
    & skf18("2","9","9","3","4","4","1") = "8"
    & skf18("2","9","9","3","4","5","1") = "8"
    & skf18("2","9","9","3","4","6","1") = "8"
    & skf18("2","9","9","3","4","7","1") = "8"
    & skf18("2","9","9","3","4","8","1") = "8"
    & skf18("2","9","9","3","4","9","1") = "8"
    & skf18("2","9","9","3","4","10","1") = "9"
    & skf18("2","9","9","3","5","1","1") = "8"
    & skf18("2","9","9","3","5","2","1") = "8"
    & skf18("2","9","9","3","5","3","1") = "8"
    & skf18("2","9","9","3","5","4","1") = "8"
    & skf18("2","9","9","3","5","5","1") = "8"
    & skf18("2","9","9","3","5","6","1") = "8"
    & skf18("2","9","9","3","5","7","1") = "8"
    & skf18("2","9","9","3","5","8","1") = "8"
    & skf18("2","9","9","3","5","9","1") = "8"
    & skf18("2","9","9","3","5","10","1") = "9"
    & skf18("2","9","9","3","6","1","1") = "8"
    & skf18("2","9","9","3","6","2","1") = "8"
    & skf18("2","9","9","3","6","3","1") = "8"
    & skf18("2","9","9","3","6","4","1") = "8"
    & skf18("2","9","9","3","6","5","1") = "8"
    & skf18("2","9","9","3","6","6","1") = "8"
    & skf18("2","9","9","3","6","7","1") = "8"
    & skf18("2","9","9","3","6","8","1") = "8"
    & skf18("2","9","9","3","6","9","1") = "8"
    & skf18("2","9","9","3","6","10","1") = "9"
    & skf18("2","9","9","3","7","1","1") = "8"
    & skf18("2","9","9","3","7","2","1") = "8"
    & skf18("2","9","9","3","7","3","1") = "8"
    & skf18("2","9","9","3","7","4","1") = "8"
    & skf18("2","9","9","3","7","5","1") = "8"
    & skf18("2","9","9","3","7","6","1") = "8"
    & skf18("2","9","9","3","7","7","1") = "8"
    & skf18("2","9","9","3","7","8","1") = "8"
    & skf18("2","9","9","3","7","9","1") = "8"
    & skf18("2","9","9","3","7","10","1") = "9"
    & skf18("2","9","9","3","8","1","1") = "8"
    & skf18("2","9","9","3","8","2","1") = "8"
    & skf18("2","9","9","3","8","3","1") = "8"
    & skf18("2","9","9","3","8","4","1") = "8"
    & skf18("2","9","9","3","8","5","1") = "8"
    & skf18("2","9","9","3","8","6","1") = "8"
    & skf18("2","9","9","3","8","7","1") = "8"
    & skf18("2","9","9","3","8","8","1") = "8"
    & skf18("2","9","9","3","8","9","1") = "8"
    & skf18("2","9","9","3","8","10","1") = "9"
    & skf18("2","9","9","3","9","1","1") = "8"
    & skf18("2","9","9","3","9","2","1") = "8"
    & skf18("2","9","9","3","9","3","1") = "8"
    & skf18("2","9","9","3","9","4","1") = "8"
    & skf18("2","9","9","3","9","5","1") = "8"
    & skf18("2","9","9","3","9","6","1") = "8"
    & skf18("2","9","9","3","9","7","1") = "8"
    & skf18("2","9","9","3","9","8","1") = "8"
    & skf18("2","9","9","3","9","9","1") = "8"
    & skf18("2","9","9","3","9","10","1") = "9"
    & skf18("2","9","9","3","10","1","1") = "9"
    & skf18("2","9","9","3","10","2","1") = "9"
    & skf18("2","9","9","3","10","3","1") = "9"
    & skf18("2","9","9","3","10","4","1") = "9"
    & skf18("2","9","9","3","10","5","1") = "9"
    & skf18("2","9","9","3","10","6","1") = "9"
    & skf18("2","9","9","3","10","7","1") = "9"
    & skf18("2","9","9","3","10","8","1") = "9"
    & skf18("2","9","9","3","10","9","1") = "9"
    & skf18("2","9","9","3","10","10","1") = "9"
    & skf18("2","9","9","4","1","1","1") = "8"
    & skf18("2","9","9","4","1","2","1") = "8"
    & skf18("2","9","9","4","1","3","1") = "8"
    & skf18("2","9","9","4","1","4","1") = "8"
    & skf18("2","9","9","4","1","5","1") = "8"
    & skf18("2","9","9","4","1","6","1") = "8"
    & skf18("2","9","9","4","1","7","1") = "8"
    & skf18("2","9","9","4","1","8","1") = "8"
    & skf18("2","9","9","4","1","9","1") = "8"
    & skf18("2","9","9","4","1","10","1") = "9"
    & skf18("2","9","9","4","2","1","1") = "8"
    & skf18("2","9","9","4","2","2","1") = "8"
    & skf18("2","9","9","4","2","3","1") = "8"
    & skf18("2","9","9","4","2","4","1") = "8"
    & skf18("2","9","9","4","2","5","1") = "8"
    & skf18("2","9","9","4","2","6","1") = "8"
    & skf18("2","9","9","4","2","7","1") = "8"
    & skf18("2","9","9","4","2","8","1") = "8"
    & skf18("2","9","9","4","2","9","1") = "8"
    & skf18("2","9","9","4","2","10","1") = "9"
    & skf18("2","9","9","4","3","1","1") = "8"
    & skf18("2","9","9","4","3","2","1") = "8"
    & skf18("2","9","9","4","3","3","1") = "8"
    & skf18("2","9","9","4","3","4","1") = "8"
    & skf18("2","9","9","4","3","5","1") = "8"
    & skf18("2","9","9","4","3","6","1") = "8"
    & skf18("2","9","9","4","3","7","1") = "8"
    & skf18("2","9","9","4","3","8","1") = "8"
    & skf18("2","9","9","4","3","9","1") = "8"
    & skf18("2","9","9","4","3","10","1") = "9"
    & skf18("2","9","9","4","4","1","1") = "8"
    & skf18("2","9","9","4","4","2","1") = "8"
    & skf18("2","9","9","4","4","3","1") = "8"
    & skf18("2","9","9","4","4","4","1") = "8"
    & skf18("2","9","9","4","4","5","1") = "8"
    & skf18("2","9","9","4","4","6","1") = "8"
    & skf18("2","9","9","4","4","7","1") = "8"
    & skf18("2","9","9","4","4","8","1") = "8"
    & skf18("2","9","9","4","4","9","1") = "8"
    & skf18("2","9","9","4","4","10","1") = "9"
    & skf18("2","9","9","4","5","1","1") = "8"
    & skf18("2","9","9","4","5","2","1") = "8"
    & skf18("2","9","9","4","5","3","1") = "8"
    & skf18("2","9","9","4","5","4","1") = "8"
    & skf18("2","9","9","4","5","5","1") = "8"
    & skf18("2","9","9","4","5","6","1") = "8"
    & skf18("2","9","9","4","5","7","1") = "8"
    & skf18("2","9","9","4","5","8","1") = "8"
    & skf18("2","9","9","4","5","9","1") = "8"
    & skf18("2","9","9","4","5","10","1") = "9"
    & skf18("2","9","9","4","6","1","1") = "8"
    & skf18("2","9","9","4","6","2","1") = "8"
    & skf18("2","9","9","4","6","3","1") = "8"
    & skf18("2","9","9","4","6","4","1") = "8"
    & skf18("2","9","9","4","6","5","1") = "8"
    & skf18("2","9","9","4","6","6","1") = "8"
    & skf18("2","9","9","4","6","7","1") = "8"
    & skf18("2","9","9","4","6","8","1") = "8"
    & skf18("2","9","9","4","6","9","1") = "8"
    & skf18("2","9","9","4","6","10","1") = "9"
    & skf18("2","9","9","4","7","1","1") = "8"
    & skf18("2","9","9","4","7","2","1") = "8"
    & skf18("2","9","9","4","7","3","1") = "8"
    & skf18("2","9","9","4","7","4","1") = "8"
    & skf18("2","9","9","4","7","5","1") = "8"
    & skf18("2","9","9","4","7","6","1") = "8"
    & skf18("2","9","9","4","7","7","1") = "8"
    & skf18("2","9","9","4","7","8","1") = "8"
    & skf18("2","9","9","4","7","9","1") = "8"
    & skf18("2","9","9","4","7","10","1") = "9"
    & skf18("2","9","9","4","8","1","1") = "8"
    & skf18("2","9","9","4","8","2","1") = "8"
    & skf18("2","9","9","4","8","3","1") = "8"
    & skf18("2","9","9","4","8","4","1") = "8"
    & skf18("2","9","9","4","8","5","1") = "8"
    & skf18("2","9","9","4","8","6","1") = "8"
    & skf18("2","9","9","4","8","7","1") = "8"
    & skf18("2","9","9","4","8","8","1") = "8"
    & skf18("2","9","9","4","8","9","1") = "8"
    & skf18("2","9","9","4","8","10","1") = "9"
    & skf18("2","9","9","4","9","1","1") = "8"
    & skf18("2","9","9","4","9","2","1") = "8"
    & skf18("2","9","9","4","9","3","1") = "8"
    & skf18("2","9","9","4","9","4","1") = "8"
    & skf18("2","9","9","4","9","5","1") = "8"
    & skf18("2","9","9","4","9","6","1") = "8"
    & skf18("2","9","9","4","9","7","1") = "8"
    & skf18("2","9","9","4","9","8","1") = "8"
    & skf18("2","9","9","4","9","9","1") = "8"
    & skf18("2","9","9","4","9","10","1") = "9"
    & skf18("2","9","9","4","10","1","1") = "9"
    & skf18("2","9","9","4","10","2","1") = "9"
    & skf18("2","9","9","4","10","3","1") = "9"
    & skf18("2","9","9","4","10","4","1") = "9"
    & skf18("2","9","9","4","10","5","1") = "9"
    & skf18("2","9","9","4","10","6","1") = "9"
    & skf18("2","9","9","4","10","7","1") = "9"
    & skf18("2","9","9","4","10","8","1") = "9"
    & skf18("2","9","9","4","10","9","1") = "9"
    & skf18("2","9","9","4","10","10","1") = "9"
    & skf18("2","9","9","5","1","1","1") = "8"
    & skf18("2","9","9","5","1","2","1") = "8"
    & skf18("2","9","9","5","1","3","1") = "8"
    & skf18("2","9","9","5","1","4","1") = "8"
    & skf18("2","9","9","5","1","5","1") = "8"
    & skf18("2","9","9","5","1","6","1") = "8"
    & skf18("2","9","9","5","1","7","1") = "8"
    & skf18("2","9","9","5","1","8","1") = "8"
    & skf18("2","9","9","5","1","9","1") = "8"
    & skf18("2","9","9","5","1","10","1") = "9"
    & skf18("2","9","9","5","2","1","1") = "8"
    & skf18("2","9","9","5","2","2","1") = "8"
    & skf18("2","9","9","5","2","3","1") = "8"
    & skf18("2","9","9","5","2","4","1") = "8"
    & skf18("2","9","9","5","2","5","1") = "8"
    & skf18("2","9","9","5","2","6","1") = "8"
    & skf18("2","9","9","5","2","7","1") = "8"
    & skf18("2","9","9","5","2","8","1") = "8"
    & skf18("2","9","9","5","2","9","1") = "8"
    & skf18("2","9","9","5","2","10","1") = "9"
    & skf18("2","9","9","5","3","1","1") = "8"
    & skf18("2","9","9","5","3","2","1") = "8"
    & skf18("2","9","9","5","3","3","1") = "8"
    & skf18("2","9","9","5","3","4","1") = "8"
    & skf18("2","9","9","5","3","5","1") = "8"
    & skf18("2","9","9","5","3","6","1") = "8"
    & skf18("2","9","9","5","3","7","1") = "8"
    & skf18("2","9","9","5","3","8","1") = "8"
    & skf18("2","9","9","5","3","9","1") = "8"
    & skf18("2","9","9","5","3","10","1") = "9"
    & skf18("2","9","9","5","4","1","1") = "8"
    & skf18("2","9","9","5","4","2","1") = "8"
    & skf18("2","9","9","5","4","3","1") = "8"
    & skf18("2","9","9","5","4","4","1") = "8"
    & skf18("2","9","9","5","4","5","1") = "8"
    & skf18("2","9","9","5","4","6","1") = "8"
    & skf18("2","9","9","5","4","7","1") = "8"
    & skf18("2","9","9","5","4","8","1") = "8"
    & skf18("2","9","9","5","4","9","1") = "8"
    & skf18("2","9","9","5","4","10","1") = "9"
    & skf18("2","9","9","5","5","1","1") = "8"
    & skf18("2","9","9","5","5","2","1") = "8"
    & skf18("2","9","9","5","5","3","1") = "8"
    & skf18("2","9","9","5","5","4","1") = "8"
    & skf18("2","9","9","5","5","5","1") = "8"
    & skf18("2","9","9","5","5","6","1") = "8"
    & skf18("2","9","9","5","5","7","1") = "8"
    & skf18("2","9","9","5","5","8","1") = "8"
    & skf18("2","9","9","5","5","9","1") = "8"
    & skf18("2","9","9","5","5","10","1") = "9"
    & skf18("2","9","9","5","6","1","1") = "8"
    & skf18("2","9","9","5","6","2","1") = "8"
    & skf18("2","9","9","5","6","3","1") = "8"
    & skf18("2","9","9","5","6","4","1") = "8"
    & skf18("2","9","9","5","6","5","1") = "8"
    & skf18("2","9","9","5","6","6","1") = "8"
    & skf18("2","9","9","5","6","7","1") = "8"
    & skf18("2","9","9","5","6","8","1") = "8"
    & skf18("2","9","9","5","6","9","1") = "8"
    & skf18("2","9","9","5","6","10","1") = "9"
    & skf18("2","9","9","5","7","1","1") = "8"
    & skf18("2","9","9","5","7","2","1") = "8"
    & skf18("2","9","9","5","7","3","1") = "8"
    & skf18("2","9","9","5","7","4","1") = "8"
    & skf18("2","9","9","5","7","5","1") = "8"
    & skf18("2","9","9","5","7","6","1") = "8"
    & skf18("2","9","9","5","7","7","1") = "8"
    & skf18("2","9","9","5","7","8","1") = "8"
    & skf18("2","9","9","5","7","9","1") = "8"
    & skf18("2","9","9","5","7","10","1") = "9"
    & skf18("2","9","9","5","8","1","1") = "8"
    & skf18("2","9","9","5","8","2","1") = "8"
    & skf18("2","9","9","5","8","3","1") = "8"
    & skf18("2","9","9","5","8","4","1") = "8"
    & skf18("2","9","9","5","8","5","1") = "8"
    & skf18("2","9","9","5","8","6","1") = "8"
    & skf18("2","9","9","5","8","7","1") = "8"
    & skf18("2","9","9","5","8","8","1") = "8"
    & skf18("2","9","9","5","8","9","1") = "8"
    & skf18("2","9","9","5","8","10","1") = "9"
    & skf18("2","9","9","5","9","1","1") = "8"
    & skf18("2","9","9","5","9","2","1") = "8"
    & skf18("2","9","9","5","9","3","1") = "8"
    & skf18("2","9","9","5","9","4","1") = "8"
    & skf18("2","9","9","5","9","5","1") = "8"
    & skf18("2","9","9","5","9","6","1") = "8"
    & skf18("2","9","9","5","9","7","1") = "8"
    & skf18("2","9","9","5","9","8","1") = "8"
    & skf18("2","9","9","5","9","9","1") = "8"
    & skf18("2","9","9","5","9","10","1") = "9"
    & skf18("2","9","9","5","10","1","1") = "9"
    & skf18("2","9","9","5","10","2","1") = "9"
    & skf18("2","9","9","5","10","3","1") = "9"
    & skf18("2","9","9","5","10","4","1") = "9"
    & skf18("2","9","9","5","10","5","1") = "9"
    & skf18("2","9","9","5","10","6","1") = "9"
    & skf18("2","9","9","5","10","7","1") = "9"
    & skf18("2","9","9","5","10","8","1") = "9"
    & skf18("2","9","9","5","10","9","1") = "9"
    & skf18("2","9","9","5","10","10","1") = "9"
    & skf18("2","9","9","6","1","1","1") = "8"
    & skf18("2","9","9","6","1","2","1") = "8"
    & skf18("2","9","9","6","1","3","1") = "8"
    & skf18("2","9","9","6","1","4","1") = "8"
    & skf18("2","9","9","6","1","5","1") = "8"
    & skf18("2","9","9","6","1","6","1") = "8"
    & skf18("2","9","9","6","1","7","1") = "8"
    & skf18("2","9","9","6","1","8","1") = "8"
    & skf18("2","9","9","6","1","9","1") = "8"
    & skf18("2","9","9","6","1","10","1") = "9"
    & skf18("2","9","9","6","2","1","1") = "8"
    & skf18("2","9","9","6","2","2","1") = "8"
    & skf18("2","9","9","6","2","3","1") = "8"
    & skf18("2","9","9","6","2","4","1") = "8"
    & skf18("2","9","9","6","2","5","1") = "8"
    & skf18("2","9","9","6","2","6","1") = "8"
    & skf18("2","9","9","6","2","7","1") = "8"
    & skf18("2","9","9","6","2","8","1") = "8"
    & skf18("2","9","9","6","2","9","1") = "8"
    & skf18("2","9","9","6","2","10","1") = "9"
    & skf18("2","9","9","6","3","1","1") = "8"
    & skf18("2","9","9","6","3","2","1") = "8"
    & skf18("2","9","9","6","3","3","1") = "8"
    & skf18("2","9","9","6","3","4","1") = "8"
    & skf18("2","9","9","6","3","5","1") = "8"
    & skf18("2","9","9","6","3","6","1") = "8"
    & skf18("2","9","9","6","3","7","1") = "8"
    & skf18("2","9","9","6","3","8","1") = "8"
    & skf18("2","9","9","6","3","9","1") = "8"
    & skf18("2","9","9","6","3","10","1") = "9"
    & skf18("2","9","9","6","4","1","1") = "8"
    & skf18("2","9","9","6","4","2","1") = "8"
    & skf18("2","9","9","6","4","3","1") = "8"
    & skf18("2","9","9","6","4","4","1") = "8"
    & skf18("2","9","9","6","4","5","1") = "8"
    & skf18("2","9","9","6","4","6","1") = "8"
    & skf18("2","9","9","6","4","7","1") = "8"
    & skf18("2","9","9","6","4","8","1") = "8"
    & skf18("2","9","9","6","4","9","1") = "8"
    & skf18("2","9","9","6","4","10","1") = "9"
    & skf18("2","9","9","6","5","1","1") = "8"
    & skf18("2","9","9","6","5","2","1") = "8"
    & skf18("2","9","9","6","5","3","1") = "8"
    & skf18("2","9","9","6","5","4","1") = "8"
    & skf18("2","9","9","6","5","5","1") = "8"
    & skf18("2","9","9","6","5","6","1") = "8"
    & skf18("2","9","9","6","5","7","1") = "8"
    & skf18("2","9","9","6","5","8","1") = "8"
    & skf18("2","9","9","6","5","9","1") = "8"
    & skf18("2","9","9","6","5","10","1") = "9"
    & skf18("2","9","9","6","6","1","1") = "8"
    & skf18("2","9","9","6","6","2","1") = "8"
    & skf18("2","9","9","6","6","3","1") = "8"
    & skf18("2","9","9","6","6","4","1") = "8"
    & skf18("2","9","9","6","6","5","1") = "8"
    & skf18("2","9","9","6","6","6","1") = "8"
    & skf18("2","9","9","6","6","7","1") = "8"
    & skf18("2","9","9","6","6","8","1") = "8"
    & skf18("2","9","9","6","6","9","1") = "8"
    & skf18("2","9","9","6","6","10","1") = "9"
    & skf18("2","9","9","6","7","1","1") = "8"
    & skf18("2","9","9","6","7","2","1") = "8"
    & skf18("2","9","9","6","7","3","1") = "8"
    & skf18("2","9","9","6","7","4","1") = "8"
    & skf18("2","9","9","6","7","5","1") = "8"
    & skf18("2","9","9","6","7","6","1") = "8"
    & skf18("2","9","9","6","7","7","1") = "8"
    & skf18("2","9","9","6","7","8","1") = "8"
    & skf18("2","9","9","6","7","9","1") = "8"
    & skf18("2","9","9","6","7","10","1") = "9"
    & skf18("2","9","9","6","8","1","1") = "8"
    & skf18("2","9","9","6","8","2","1") = "8"
    & skf18("2","9","9","6","8","3","1") = "8"
    & skf18("2","9","9","6","8","4","1") = "8"
    & skf18("2","9","9","6","8","5","1") = "8"
    & skf18("2","9","9","6","8","6","1") = "8"
    & skf18("2","9","9","6","8","7","1") = "8"
    & skf18("2","9","9","6","8","8","1") = "8"
    & skf18("2","9","9","6","8","9","1") = "8"
    & skf18("2","9","9","6","8","10","1") = "9"
    & skf18("2","9","9","6","9","1","1") = "8"
    & skf18("2","9","9","6","9","2","1") = "8"
    & skf18("2","9","9","6","9","3","1") = "8"
    & skf18("2","9","9","6","9","4","1") = "8"
    & skf18("2","9","9","6","9","5","1") = "8"
    & skf18("2","9","9","6","9","6","1") = "8"
    & skf18("2","9","9","6","9","7","1") = "8"
    & skf18("2","9","9","6","9","8","1") = "8"
    & skf18("2","9","9","6","9","9","1") = "8"
    & skf18("2","9","9","6","9","10","1") = "9"
    & skf18("2","9","9","6","10","1","1") = "9"
    & skf18("2","9","9","6","10","2","1") = "9"
    & skf18("2","9","9","6","10","3","1") = "9"
    & skf18("2","9","9","6","10","4","1") = "9"
    & skf18("2","9","9","6","10","5","1") = "9"
    & skf18("2","9","9","6","10","6","1") = "9"
    & skf18("2","9","9","6","10","7","1") = "9"
    & skf18("2","9","9","6","10","8","1") = "9"
    & skf18("2","9","9","6","10","9","1") = "9"
    & skf18("2","9","9","6","10","10","1") = "9"
    & skf18("2","9","9","7","1","1","1") = "8"
    & skf18("2","9","9","7","1","2","1") = "8"
    & skf18("2","9","9","7","1","3","1") = "8"
    & skf18("2","9","9","7","1","4","1") = "8"
    & skf18("2","9","9","7","1","5","1") = "8"
    & skf18("2","9","9","7","1","6","1") = "8"
    & skf18("2","9","9","7","1","7","1") = "8"
    & skf18("2","9","9","7","1","8","1") = "8"
    & skf18("2","9","9","7","1","9","1") = "8"
    & skf18("2","9","9","7","1","10","1") = "9"
    & skf18("2","9","9","7","2","1","1") = "8"
    & skf18("2","9","9","7","2","2","1") = "8"
    & skf18("2","9","9","7","2","3","1") = "8"
    & skf18("2","9","9","7","2","4","1") = "8"
    & skf18("2","9","9","7","2","5","1") = "8"
    & skf18("2","9","9","7","2","6","1") = "8"
    & skf18("2","9","9","7","2","7","1") = "8"
    & skf18("2","9","9","7","2","8","1") = "8"
    & skf18("2","9","9","7","2","9","1") = "8"
    & skf18("2","9","9","7","2","10","1") = "9"
    & skf18("2","9","9","7","3","1","1") = "8"
    & skf18("2","9","9","7","3","2","1") = "8"
    & skf18("2","9","9","7","3","3","1") = "8"
    & skf18("2","9","9","7","3","4","1") = "8"
    & skf18("2","9","9","7","3","5","1") = "8"
    & skf18("2","9","9","7","3","6","1") = "8"
    & skf18("2","9","9","7","3","7","1") = "8"
    & skf18("2","9","9","7","3","8","1") = "8"
    & skf18("2","9","9","7","3","9","1") = "8"
    & skf18("2","9","9","7","3","10","1") = "9"
    & skf18("2","9","9","7","4","1","1") = "8"
    & skf18("2","9","9","7","4","2","1") = "8"
    & skf18("2","9","9","7","4","3","1") = "8"
    & skf18("2","9","9","7","4","4","1") = "8"
    & skf18("2","9","9","7","4","5","1") = "8"
    & skf18("2","9","9","7","4","6","1") = "8"
    & skf18("2","9","9","7","4","7","1") = "8"
    & skf18("2","9","9","7","4","8","1") = "8"
    & skf18("2","9","9","7","4","9","1") = "8"
    & skf18("2","9","9","7","4","10","1") = "9"
    & skf18("2","9","9","7","5","1","1") = "8"
    & skf18("2","9","9","7","5","2","1") = "8"
    & skf18("2","9","9","7","5","3","1") = "8"
    & skf18("2","9","9","7","5","4","1") = "8"
    & skf18("2","9","9","7","5","5","1") = "8"
    & skf18("2","9","9","7","5","6","1") = "8"
    & skf18("2","9","9","7","5","7","1") = "8"
    & skf18("2","9","9","7","5","8","1") = "8"
    & skf18("2","9","9","7","5","9","1") = "8"
    & skf18("2","9","9","7","5","10","1") = "9"
    & skf18("2","9","9","7","6","1","1") = "8"
    & skf18("2","9","9","7","6","2","1") = "8"
    & skf18("2","9","9","7","6","3","1") = "8"
    & skf18("2","9","9","7","6","4","1") = "8"
    & skf18("2","9","9","7","6","5","1") = "8"
    & skf18("2","9","9","7","6","6","1") = "8"
    & skf18("2","9","9","7","6","7","1") = "8"
    & skf18("2","9","9","7","6","8","1") = "8"
    & skf18("2","9","9","7","6","9","1") = "8"
    & skf18("2","9","9","7","6","10","1") = "9"
    & skf18("2","9","9","7","7","1","1") = "8"
    & skf18("2","9","9","7","7","2","1") = "8"
    & skf18("2","9","9","7","7","3","1") = "8"
    & skf18("2","9","9","7","7","4","1") = "8"
    & skf18("2","9","9","7","7","5","1") = "8"
    & skf18("2","9","9","7","7","6","1") = "8"
    & skf18("2","9","9","7","7","7","1") = "8"
    & skf18("2","9","9","7","7","8","1") = "8"
    & skf18("2","9","9","7","7","9","1") = "8"
    & skf18("2","9","9","7","7","10","1") = "9"
    & skf18("2","9","9","7","8","1","1") = "8"
    & skf18("2","9","9","7","8","2","1") = "8"
    & skf18("2","9","9","7","8","3","1") = "8"
    & skf18("2","9","9","7","8","4","1") = "8"
    & skf18("2","9","9","7","8","5","1") = "8"
    & skf18("2","9","9","7","8","6","1") = "8"
    & skf18("2","9","9","7","8","7","1") = "8"
    & skf18("2","9","9","7","8","8","1") = "8"
    & skf18("2","9","9","7","8","9","1") = "8"
    & skf18("2","9","9","7","8","10","1") = "9"
    & skf18("2","9","9","7","9","1","1") = "8"
    & skf18("2","9","9","7","9","2","1") = "8"
    & skf18("2","9","9","7","9","3","1") = "8"
    & skf18("2","9","9","7","9","4","1") = "8"
    & skf18("2","9","9","7","9","5","1") = "8"
    & skf18("2","9","9","7","9","6","1") = "8"
    & skf18("2","9","9","7","9","7","1") = "8"
    & skf18("2","9","9","7","9","8","1") = "8"
    & skf18("2","9","9","7","9","9","1") = "8"
    & skf18("2","9","9","7","9","10","1") = "9"
    & skf18("2","9","9","7","10","1","1") = "9"
    & skf18("2","9","9","7","10","2","1") = "9"
    & skf18("2","9","9","7","10","3","1") = "9"
    & skf18("2","9","9","7","10","4","1") = "9"
    & skf18("2","9","9","7","10","5","1") = "9"
    & skf18("2","9","9","7","10","6","1") = "9"
    & skf18("2","9","9","7","10","7","1") = "9"
    & skf18("2","9","9","7","10","8","1") = "9"
    & skf18("2","9","9","7","10","9","1") = "9"
    & skf18("2","9","9","7","10","10","1") = "9"
    & skf18("2","9","9","8","1","1","1") = "8"
    & skf18("2","9","9","8","1","2","1") = "8"
    & skf18("2","9","9","8","1","3","1") = "8"
    & skf18("2","9","9","8","1","4","1") = "8"
    & skf18("2","9","9","8","1","5","1") = "8"
    & skf18("2","9","9","8","1","6","1") = "8"
    & skf18("2","9","9","8","1","7","1") = "8"
    & skf18("2","9","9","8","1","8","1") = "8"
    & skf18("2","9","9","8","1","9","1") = "8"
    & skf18("2","9","9","8","1","10","1") = "9"
    & skf18("2","9","9","8","2","1","1") = "8"
    & skf18("2","9","9","8","2","2","1") = "8"
    & skf18("2","9","9","8","2","3","1") = "8"
    & skf18("2","9","9","8","2","4","1") = "8"
    & skf18("2","9","9","8","2","5","1") = "8"
    & skf18("2","9","9","8","2","6","1") = "8"
    & skf18("2","9","9","8","2","7","1") = "8"
    & skf18("2","9","9","8","2","8","1") = "8"
    & skf18("2","9","9","8","2","9","1") = "8"
    & skf18("2","9","9","8","2","10","1") = "9"
    & skf18("2","9","9","8","3","1","1") = "8"
    & skf18("2","9","9","8","3","2","1") = "8"
    & skf18("2","9","9","8","3","3","1") = "8"
    & skf18("2","9","9","8","3","4","1") = "8"
    & skf18("2","9","9","8","3","5","1") = "8"
    & skf18("2","9","9","8","3","6","1") = "8"
    & skf18("2","9","9","8","3","7","1") = "8"
    & skf18("2","9","9","8","3","8","1") = "8"
    & skf18("2","9","9","8","3","9","1") = "8"
    & skf18("2","9","9","8","3","10","1") = "9"
    & skf18("2","9","9","8","4","1","1") = "8"
    & skf18("2","9","9","8","4","2","1") = "8"
    & skf18("2","9","9","8","4","3","1") = "8"
    & skf18("2","9","9","8","4","4","1") = "8"
    & skf18("2","9","9","8","4","5","1") = "8"
    & skf18("2","9","9","8","4","6","1") = "8"
    & skf18("2","9","9","8","4","7","1") = "8"
    & skf18("2","9","9","8","4","8","1") = "8"
    & skf18("2","9","9","8","4","9","1") = "8"
    & skf18("2","9","9","8","4","10","1") = "9"
    & skf18("2","9","9","8","5","1","1") = "8"
    & skf18("2","9","9","8","5","2","1") = "8"
    & skf18("2","9","9","8","5","3","1") = "8"
    & skf18("2","9","9","8","5","4","1") = "8"
    & skf18("2","9","9","8","5","5","1") = "8"
    & skf18("2","9","9","8","5","6","1") = "8"
    & skf18("2","9","9","8","5","7","1") = "8"
    & skf18("2","9","9","8","5","8","1") = "8"
    & skf18("2","9","9","8","5","9","1") = "8"
    & skf18("2","9","9","8","5","10","1") = "9"
    & skf18("2","9","9","8","6","1","1") = "8"
    & skf18("2","9","9","8","6","2","1") = "8"
    & skf18("2","9","9","8","6","3","1") = "8"
    & skf18("2","9","9","8","6","4","1") = "8"
    & skf18("2","9","9","8","6","5","1") = "8"
    & skf18("2","9","9","8","6","6","1") = "8"
    & skf18("2","9","9","8","6","7","1") = "8"
    & skf18("2","9","9","8","6","8","1") = "8"
    & skf18("2","9","9","8","6","9","1") = "8"
    & skf18("2","9","9","8","6","10","1") = "9"
    & skf18("2","9","9","8","7","1","1") = "8"
    & skf18("2","9","9","8","7","2","1") = "8"
    & skf18("2","9","9","8","7","3","1") = "8"
    & skf18("2","9","9","8","7","4","1") = "8"
    & skf18("2","9","9","8","7","5","1") = "8"
    & skf18("2","9","9","8","7","6","1") = "8"
    & skf18("2","9","9","8","7","7","1") = "8"
    & skf18("2","9","9","8","7","8","1") = "8"
    & skf18("2","9","9","8","7","9","1") = "8"
    & skf18("2","9","9","8","7","10","1") = "9"
    & skf18("2","9","9","8","8","1","1") = "8"
    & skf18("2","9","9","8","8","2","1") = "8"
    & skf18("2","9","9","8","8","3","1") = "8"
    & skf18("2","9","9","8","8","4","1") = "8"
    & skf18("2","9","9","8","8","5","1") = "8"
    & skf18("2","9","9","8","8","6","1") = "8"
    & skf18("2","9","9","8","8","7","1") = "8"
    & skf18("2","9","9","8","8","8","1") = "8"
    & skf18("2","9","9","8","8","9","1") = "8"
    & skf18("2","9","9","8","8","10","1") = "9"
    & skf18("2","9","9","8","9","1","1") = "8"
    & skf18("2","9","9","8","9","2","1") = "8"
    & skf18("2","9","9","8","9","3","1") = "8"
    & skf18("2","9","9","8","9","4","1") = "8"
    & skf18("2","9","9","8","9","5","1") = "8"
    & skf18("2","9","9","8","9","6","1") = "8"
    & skf18("2","9","9","8","9","7","1") = "8"
    & skf18("2","9","9","8","9","8","1") = "8"
    & skf18("2","9","9","8","9","9","1") = "8"
    & skf18("2","9","9","8","9","10","1") = "9"
    & skf18("2","9","9","8","10","1","1") = "9"
    & skf18("2","9","9","8","10","2","1") = "9"
    & skf18("2","9","9","8","10","3","1") = "9"
    & skf18("2","9","9","8","10","4","1") = "9"
    & skf18("2","9","9","8","10","5","1") = "9"
    & skf18("2","9","9","8","10","6","1") = "9"
    & skf18("2","9","9","8","10","7","1") = "9"
    & skf18("2","9","9","8","10","8","1") = "9"
    & skf18("2","9","9","8","10","9","1") = "9"
    & skf18("2","9","9","8","10","10","1") = "9"
    & skf18("2","9","9","9","1","1","1") = "8"
    & skf18("2","9","9","9","1","2","1") = "8"
    & skf18("2","9","9","9","1","3","1") = "8"
    & skf18("2","9","9","9","1","4","1") = "8"
    & skf18("2","9","9","9","1","5","1") = "8"
    & skf18("2","9","9","9","1","6","1") = "8"
    & skf18("2","9","9","9","1","7","1") = "8"
    & skf18("2","9","9","9","1","8","1") = "8"
    & skf18("2","9","9","9","1","9","1") = "8"
    & skf18("2","9","9","9","1","10","1") = "9"
    & skf18("2","9","9","9","2","1","1") = "8"
    & skf18("2","9","9","9","2","2","1") = "8"
    & skf18("2","9","9","9","2","3","1") = "8"
    & skf18("2","9","9","9","2","4","1") = "8"
    & skf18("2","9","9","9","2","5","1") = "8"
    & skf18("2","9","9","9","2","6","1") = "8"
    & skf18("2","9","9","9","2","7","1") = "8"
    & skf18("2","9","9","9","2","8","1") = "8"
    & skf18("2","9","9","9","2","9","1") = "8"
    & skf18("2","9","9","9","2","10","1") = "9"
    & skf18("2","9","9","9","3","1","1") = "8"
    & skf18("2","9","9","9","3","2","1") = "8"
    & skf18("2","9","9","9","3","3","1") = "8"
    & skf18("2","9","9","9","3","4","1") = "8"
    & skf18("2","9","9","9","3","5","1") = "8"
    & skf18("2","9","9","9","3","6","1") = "8"
    & skf18("2","9","9","9","3","7","1") = "8"
    & skf18("2","9","9","9","3","8","1") = "8"
    & skf18("2","9","9","9","3","9","1") = "8"
    & skf18("2","9","9","9","3","10","1") = "9"
    & skf18("2","9","9","9","4","1","1") = "8"
    & skf18("2","9","9","9","4","2","1") = "8"
    & skf18("2","9","9","9","4","3","1") = "8"
    & skf18("2","9","9","9","4","4","1") = "8"
    & skf18("2","9","9","9","4","5","1") = "8"
    & skf18("2","9","9","9","4","6","1") = "8"
    & skf18("2","9","9","9","4","7","1") = "8"
    & skf18("2","9","9","9","4","8","1") = "8"
    & skf18("2","9","9","9","4","9","1") = "8"
    & skf18("2","9","9","9","4","10","1") = "9"
    & skf18("2","9","9","9","5","1","1") = "8"
    & skf18("2","9","9","9","5","2","1") = "8"
    & skf18("2","9","9","9","5","3","1") = "8"
    & skf18("2","9","9","9","5","4","1") = "8"
    & skf18("2","9","9","9","5","5","1") = "8"
    & skf18("2","9","9","9","5","6","1") = "8"
    & skf18("2","9","9","9","5","7","1") = "8"
    & skf18("2","9","9","9","5","8","1") = "8"
    & skf18("2","9","9","9","5","9","1") = "8"
    & skf18("2","9","9","9","5","10","1") = "9"
    & skf18("2","9","9","9","6","1","1") = "8"
    & skf18("2","9","9","9","6","2","1") = "8"
    & skf18("2","9","9","9","6","3","1") = "8"
    & skf18("2","9","9","9","6","4","1") = "8"
    & skf18("2","9","9","9","6","5","1") = "8"
    & skf18("2","9","9","9","6","6","1") = "8"
    & skf18("2","9","9","9","6","7","1") = "8"
    & skf18("2","9","9","9","6","8","1") = "8"
    & skf18("2","9","9","9","6","9","1") = "8"
    & skf18("2","9","9","9","6","10","1") = "9"
    & skf18("2","9","9","9","7","1","1") = "8"
    & skf18("2","9","9","9","7","2","1") = "8"
    & skf18("2","9","9","9","7","3","1") = "8"
    & skf18("2","9","9","9","7","4","1") = "8"
    & skf18("2","9","9","9","7","5","1") = "8"
    & skf18("2","9","9","9","7","6","1") = "8"
    & skf18("2","9","9","9","7","7","1") = "8"
    & skf18("2","9","9","9","7","8","1") = "8"
    & skf18("2","9","9","9","7","9","1") = "8"
    & skf18("2","9","9","9","7","10","1") = "9"
    & skf18("2","9","9","9","8","1","1") = "8"
    & skf18("2","9","9","9","8","2","1") = "8"
    & skf18("2","9","9","9","8","3","1") = "8"
    & skf18("2","9","9","9","8","4","1") = "8"
    & skf18("2","9","9","9","8","5","1") = "8"
    & skf18("2","9","9","9","8","6","1") = "8"
    & skf18("2","9","9","9","8","7","1") = "8"
    & skf18("2","9","9","9","8","8","1") = "8"
    & skf18("2","9","9","9","8","9","1") = "8"
    & skf18("2","9","9","9","8","10","1") = "9"
    & skf18("2","9","9","9","9","1","1") = "8"
    & skf18("2","9","9","9","9","2","1") = "8"
    & skf18("2","9","9","9","9","3","1") = "8"
    & skf18("2","9","9","9","9","4","1") = "8"
    & skf18("2","9","9","9","9","5","1") = "8"
    & skf18("2","9","9","9","9","6","1") = "8"
    & skf18("2","9","9","9","9","7","1") = "8"
    & skf18("2","9","9","9","9","8","1") = "8"
    & skf18("2","9","9","9","9","9","1") = "8"
    & skf18("2","9","9","9","9","10","1") = "9"
    & skf18("2","9","9","9","10","1","1") = "9"
    & skf18("2","9","9","9","10","2","1") = "9"
    & skf18("2","9","9","9","10","3","1") = "9"
    & skf18("2","9","9","9","10","4","1") = "9"
    & skf18("2","9","9","9","10","5","1") = "9"
    & skf18("2","9","9","9","10","6","1") = "9"
    & skf18("2","9","9","9","10","7","1") = "9"
    & skf18("2","9","9","9","10","8","1") = "9"
    & skf18("2","9","9","9","10","9","1") = "9"
    & skf18("2","9","9","9","10","10","1") = "9"
    & skf18("2","9","9","10","1","1","1") = "9"
    & skf18("2","9","9","10","1","2","1") = "9"
    & skf18("2","9","9","10","1","3","1") = "9"
    & skf18("2","9","9","10","1","4","1") = "9"
    & skf18("2","9","9","10","1","5","1") = "9"
    & skf18("2","9","9","10","1","6","1") = "9"
    & skf18("2","9","9","10","1","7","1") = "9"
    & skf18("2","9","9","10","1","8","1") = "9"
    & skf18("2","9","9","10","1","9","1") = "9"
    & skf18("2","9","9","10","1","10","1") = "9"
    & skf18("2","9","9","10","2","1","1") = "9"
    & skf18("2","9","9","10","2","2","1") = "9"
    & skf18("2","9","9","10","2","3","1") = "9"
    & skf18("2","9","9","10","2","4","1") = "9"
    & skf18("2","9","9","10","2","5","1") = "9"
    & skf18("2","9","9","10","2","6","1") = "9"
    & skf18("2","9","9","10","2","7","1") = "9"
    & skf18("2","9","9","10","2","8","1") = "9"
    & skf18("2","9","9","10","2","9","1") = "9"
    & skf18("2","9","9","10","2","10","1") = "9"
    & skf18("2","9","9","10","3","1","1") = "9"
    & skf18("2","9","9","10","3","2","1") = "9"
    & skf18("2","9","9","10","3","3","1") = "9"
    & skf18("2","9","9","10","3","4","1") = "9"
    & skf18("2","9","9","10","3","5","1") = "9"
    & skf18("2","9","9","10","3","6","1") = "9"
    & skf18("2","9","9","10","3","7","1") = "9"
    & skf18("2","9","9","10","3","8","1") = "9"
    & skf18("2","9","9","10","3","9","1") = "9"
    & skf18("2","9","9","10","3","10","1") = "9"
    & skf18("2","9","9","10","4","1","1") = "9"
    & skf18("2","9","9","10","4","2","1") = "9"
    & skf18("2","9","9","10","4","3","1") = "9"
    & skf18("2","9","9","10","4","4","1") = "9"
    & skf18("2","9","9","10","4","5","1") = "9"
    & skf18("2","9","9","10","4","6","1") = "9"
    & skf18("2","9","9","10","4","7","1") = "9"
    & skf18("2","9","9","10","4","8","1") = "9"
    & skf18("2","9","9","10","4","9","1") = "9"
    & skf18("2","9","9","10","4","10","1") = "9"
    & skf18("2","9","9","10","5","1","1") = "9"
    & skf18("2","9","9","10","5","2","1") = "9"
    & skf18("2","9","9","10","5","3","1") = "9"
    & skf18("2","9","9","10","5","4","1") = "9"
    & skf18("2","9","9","10","5","5","1") = "9"
    & skf18("2","9","9","10","5","6","1") = "9"
    & skf18("2","9","9","10","5","7","1") = "9"
    & skf18("2","9","9","10","5","8","1") = "9"
    & skf18("2","9","9","10","5","9","1") = "9"
    & skf18("2","9","9","10","5","10","1") = "9"
    & skf18("2","9","9","10","6","1","1") = "9"
    & skf18("2","9","9","10","6","2","1") = "9"
    & skf18("2","9","9","10","6","3","1") = "9"
    & skf18("2","9","9","10","6","4","1") = "9"
    & skf18("2","9","9","10","6","5","1") = "9"
    & skf18("2","9","9","10","6","6","1") = "9"
    & skf18("2","9","9","10","6","7","1") = "9"
    & skf18("2","9","9","10","6","8","1") = "9"
    & skf18("2","9","9","10","6","9","1") = "9"
    & skf18("2","9","9","10","6","10","1") = "9"
    & skf18("2","9","9","10","7","1","1") = "9"
    & skf18("2","9","9","10","7","2","1") = "9"
    & skf18("2","9","9","10","7","3","1") = "9"
    & skf18("2","9","9","10","7","4","1") = "9"
    & skf18("2","9","9","10","7","5","1") = "9"
    & skf18("2","9","9","10","7","6","1") = "9"
    & skf18("2","9","9","10","7","7","1") = "9"
    & skf18("2","9","9","10","7","8","1") = "9"
    & skf18("2","9","9","10","7","9","1") = "9"
    & skf18("2","9","9","10","7","10","1") = "9"
    & skf18("2","9","9","10","8","1","1") = "9"
    & skf18("2","9","9","10","8","2","1") = "9"
    & skf18("2","9","9","10","8","3","1") = "9"
    & skf18("2","9","9","10","8","4","1") = "9"
    & skf18("2","9","9","10","8","5","1") = "9"
    & skf18("2","9","9","10","8","6","1") = "9"
    & skf18("2","9","9","10","8","7","1") = "9"
    & skf18("2","9","9","10","8","8","1") = "9"
    & skf18("2","9","9","10","8","9","1") = "9"
    & skf18("2","9","9","10","8","10","1") = "9"
    & skf18("2","9","9","10","9","1","1") = "9"
    & skf18("2","9","9","10","9","2","1") = "9"
    & skf18("2","9","9","10","9","3","1") = "9"
    & skf18("2","9","9","10","9","4","1") = "9"
    & skf18("2","9","9","10","9","5","1") = "9"
    & skf18("2","9","9","10","9","6","1") = "9"
    & skf18("2","9","9","10","9","7","1") = "9"
    & skf18("2","9","9","10","9","8","1") = "9"
    & skf18("2","9","9","10","9","9","1") = "9"
    & skf18("2","9","9","10","9","10","1") = "9"
    & skf18("2","9","9","10","10","1","1") = "9"
    & skf18("2","9","9","10","10","2","1") = "9"
    & skf18("2","9","9","10","10","3","1") = "9"
    & skf18("2","9","9","10","10","4","1") = "9"
    & skf18("2","9","9","10","10","5","1") = "9"
    & skf18("2","9","9","10","10","6","1") = "9"
    & skf18("2","9","9","10","10","7","1") = "9"
    & skf18("2","9","9","10","10","8","1") = "9"
    & skf18("2","9","9","10","10","9","1") = "9"
    & skf18("2","9","9","10","10","10","1") = "9"
    & skf18("2","9","10","1","1","1","1") = "9"
    & skf18("2","9","10","1","1","2","1") = "9"
    & skf18("2","9","10","1","1","3","1") = "9"
    & skf18("2","9","10","1","1","4","1") = "9"
    & skf18("2","9","10","1","1","5","1") = "9"
    & skf18("2","9","10","1","1","6","1") = "9"
    & skf18("2","9","10","1","1","7","1") = "9"
    & skf18("2","9","10","1","1","8","1") = "9"
    & skf18("2","9","10","1","1","9","1") = "9"
    & skf18("2","9","10","1","1","10","1") = "9"
    & skf18("2","9","10","1","2","1","1") = "9"
    & skf18("2","9","10","1","2","2","1") = "9"
    & skf18("2","9","10","1","2","3","1") = "9"
    & skf18("2","9","10","1","2","4","1") = "9"
    & skf18("2","9","10","1","2","5","1") = "9"
    & skf18("2","9","10","1","2","6","1") = "9"
    & skf18("2","9","10","1","2","7","1") = "9"
    & skf18("2","9","10","1","2","8","1") = "9"
    & skf18("2","9","10","1","2","9","1") = "9"
    & skf18("2","9","10","1","2","10","1") = "9"
    & skf18("2","9","10","1","3","1","1") = "9"
    & skf18("2","9","10","1","3","2","1") = "9"
    & skf18("2","9","10","1","3","3","1") = "9"
    & skf18("2","9","10","1","3","4","1") = "9"
    & skf18("2","9","10","1","3","5","1") = "9"
    & skf18("2","9","10","1","3","6","1") = "9"
    & skf18("2","9","10","1","3","7","1") = "9"
    & skf18("2","9","10","1","3","8","1") = "9"
    & skf18("2","9","10","1","3","9","1") = "9"
    & skf18("2","9","10","1","3","10","1") = "9"
    & skf18("2","9","10","1","4","1","1") = "9"
    & skf18("2","9","10","1","4","2","1") = "9"
    & skf18("2","9","10","1","4","3","1") = "9"
    & skf18("2","9","10","1","4","4","1") = "9"
    & skf18("2","9","10","1","4","5","1") = "9"
    & skf18("2","9","10","1","4","6","1") = "9"
    & skf18("2","9","10","1","4","7","1") = "9"
    & skf18("2","9","10","1","4","8","1") = "9"
    & skf18("2","9","10","1","4","9","1") = "9"
    & skf18("2","9","10","1","4","10","1") = "9"
    & skf18("2","9","10","1","5","1","1") = "9"
    & skf18("2","9","10","1","5","2","1") = "9"
    & skf18("2","9","10","1","5","3","1") = "9"
    & skf18("2","9","10","1","5","4","1") = "9"
    & skf18("2","9","10","1","5","5","1") = "9"
    & skf18("2","9","10","1","5","6","1") = "9"
    & skf18("2","9","10","1","5","7","1") = "9"
    & skf18("2","9","10","1","5","8","1") = "9"
    & skf18("2","9","10","1","5","9","1") = "9"
    & skf18("2","9","10","1","5","10","1") = "9"
    & skf18("2","9","10","1","6","1","1") = "9"
    & skf18("2","9","10","1","6","2","1") = "9"
    & skf18("2","9","10","1","6","3","1") = "9"
    & skf18("2","9","10","1","6","4","1") = "9"
    & skf18("2","9","10","1","6","5","1") = "9"
    & skf18("2","9","10","1","6","6","1") = "9"
    & skf18("2","9","10","1","6","7","1") = "9"
    & skf18("2","9","10","1","6","8","1") = "9"
    & skf18("2","9","10","1","6","9","1") = "9"
    & skf18("2","9","10","1","6","10","1") = "9"
    & skf18("2","9","10","1","7","1","1") = "9"
    & skf18("2","9","10","1","7","2","1") = "9"
    & skf18("2","9","10","1","7","3","1") = "9"
    & skf18("2","9","10","1","7","4","1") = "9"
    & skf18("2","9","10","1","7","5","1") = "9"
    & skf18("2","9","10","1","7","6","1") = "9"
    & skf18("2","9","10","1","7","7","1") = "9"
    & skf18("2","9","10","1","7","8","1") = "9"
    & skf18("2","9","10","1","7","9","1") = "9"
    & skf18("2","9","10","1","7","10","1") = "9"
    & skf18("2","9","10","1","8","1","1") = "9"
    & skf18("2","9","10","1","8","2","1") = "9"
    & skf18("2","9","10","1","8","3","1") = "9"
    & skf18("2","9","10","1","8","4","1") = "9"
    & skf18("2","9","10","1","8","5","1") = "9"
    & skf18("2","9","10","1","8","6","1") = "9"
    & skf18("2","9","10","1","8","7","1") = "9"
    & skf18("2","9","10","1","8","8","1") = "9"
    & skf18("2","9","10","1","8","9","1") = "9"
    & skf18("2","9","10","1","8","10","1") = "9"
    & skf18("2","9","10","1","9","1","1") = "9"
    & skf18("2","9","10","1","9","2","1") = "9"
    & skf18("2","9","10","1","9","3","1") = "9"
    & skf18("2","9","10","1","9","4","1") = "9"
    & skf18("2","9","10","1","9","5","1") = "9"
    & skf18("2","9","10","1","9","6","1") = "9"
    & skf18("2","9","10","1","9","7","1") = "9"
    & skf18("2","9","10","1","9","8","1") = "9"
    & skf18("2","9","10","1","9","9","1") = "9"
    & skf18("2","9","10","1","9","10","1") = "9"
    & skf18("2","9","10","1","10","1","1") = "9"
    & skf18("2","9","10","1","10","2","1") = "9"
    & skf18("2","9","10","1","10","3","1") = "9"
    & skf18("2","9","10","1","10","4","1") = "9"
    & skf18("2","9","10","1","10","5","1") = "9"
    & skf18("2","9","10","1","10","6","1") = "9"
    & skf18("2","9","10","1","10","7","1") = "9"
    & skf18("2","9","10","1","10","8","1") = "9"
    & skf18("2","9","10","1","10","9","1") = "9"
    & skf18("2","9","10","1","10","10","1") = "9"
    & skf18("2","9","10","2","1","1","1") = "9"
    & skf18("2","9","10","2","1","2","1") = "9"
    & skf18("2","9","10","2","1","3","1") = "9"
    & skf18("2","9","10","2","1","4","1") = "9"
    & skf18("2","9","10","2","1","5","1") = "9"
    & skf18("2","9","10","2","1","6","1") = "9"
    & skf18("2","9","10","2","1","7","1") = "9"
    & skf18("2","9","10","2","1","8","1") = "9"
    & skf18("2","9","10","2","1","9","1") = "9"
    & skf18("2","9","10","2","1","10","1") = "9"
    & skf18("2","9","10","2","2","1","1") = "9"
    & skf18("2","9","10","2","2","2","1") = "9"
    & skf18("2","9","10","2","2","3","1") = "9"
    & skf18("2","9","10","2","2","4","1") = "9"
    & skf18("2","9","10","2","2","5","1") = "9"
    & skf18("2","9","10","2","2","6","1") = "9"
    & skf18("2","9","10","2","2","7","1") = "9"
    & skf18("2","9","10","2","2","8","1") = "9"
    & skf18("2","9","10","2","2","9","1") = "9"
    & skf18("2","9","10","2","2","10","1") = "9"
    & skf18("2","9","10","2","3","1","1") = "9"
    & skf18("2","9","10","2","3","2","1") = "9"
    & skf18("2","9","10","2","3","3","1") = "9"
    & skf18("2","9","10","2","3","4","1") = "9"
    & skf18("2","9","10","2","3","5","1") = "9"
    & skf18("2","9","10","2","3","6","1") = "9"
    & skf18("2","9","10","2","3","7","1") = "9"
    & skf18("2","9","10","2","3","8","1") = "9"
    & skf18("2","9","10","2","3","9","1") = "9"
    & skf18("2","9","10","2","3","10","1") = "9"
    & skf18("2","9","10","2","4","1","1") = "9"
    & skf18("2","9","10","2","4","2","1") = "9"
    & skf18("2","9","10","2","4","3","1") = "9"
    & skf18("2","9","10","2","4","4","1") = "9"
    & skf18("2","9","10","2","4","5","1") = "9"
    & skf18("2","9","10","2","4","6","1") = "9"
    & skf18("2","9","10","2","4","7","1") = "9"
    & skf18("2","9","10","2","4","8","1") = "9"
    & skf18("2","9","10","2","4","9","1") = "9"
    & skf18("2","9","10","2","4","10","1") = "9"
    & skf18("2","9","10","2","5","1","1") = "9"
    & skf18("2","9","10","2","5","2","1") = "9"
    & skf18("2","9","10","2","5","3","1") = "9"
    & skf18("2","9","10","2","5","4","1") = "9"
    & skf18("2","9","10","2","5","5","1") = "9"
    & skf18("2","9","10","2","5","6","1") = "9"
    & skf18("2","9","10","2","5","7","1") = "9"
    & skf18("2","9","10","2","5","8","1") = "9"
    & skf18("2","9","10","2","5","9","1") = "9"
    & skf18("2","9","10","2","5","10","1") = "9"
    & skf18("2","9","10","2","6","1","1") = "9"
    & skf18("2","9","10","2","6","2","1") = "9"
    & skf18("2","9","10","2","6","3","1") = "9"
    & skf18("2","9","10","2","6","4","1") = "9"
    & skf18("2","9","10","2","6","5","1") = "9"
    & skf18("2","9","10","2","6","6","1") = "9"
    & skf18("2","9","10","2","6","7","1") = "9"
    & skf18("2","9","10","2","6","8","1") = "9"
    & skf18("2","9","10","2","6","9","1") = "9"
    & skf18("2","9","10","2","6","10","1") = "9"
    & skf18("2","9","10","2","7","1","1") = "9"
    & skf18("2","9","10","2","7","2","1") = "9"
    & skf18("2","9","10","2","7","3","1") = "9"
    & skf18("2","9","10","2","7","4","1") = "9"
    & skf18("2","9","10","2","7","5","1") = "9"
    & skf18("2","9","10","2","7","6","1") = "9"
    & skf18("2","9","10","2","7","7","1") = "9"
    & skf18("2","9","10","2","7","8","1") = "9"
    & skf18("2","9","10","2","7","9","1") = "9"
    & skf18("2","9","10","2","7","10","1") = "9"
    & skf18("2","9","10","2","8","1","1") = "9"
    & skf18("2","9","10","2","8","2","1") = "9"
    & skf18("2","9","10","2","8","3","1") = "9"
    & skf18("2","9","10","2","8","4","1") = "9"
    & skf18("2","9","10","2","8","5","1") = "9"
    & skf18("2","9","10","2","8","6","1") = "9"
    & skf18("2","9","10","2","8","7","1") = "9"
    & skf18("2","9","10","2","8","8","1") = "9"
    & skf18("2","9","10","2","8","9","1") = "9"
    & skf18("2","9","10","2","8","10","1") = "9"
    & skf18("2","9","10","2","9","1","1") = "9"
    & skf18("2","9","10","2","9","2","1") = "9"
    & skf18("2","9","10","2","9","3","1") = "9"
    & skf18("2","9","10","2","9","4","1") = "9"
    & skf18("2","9","10","2","9","5","1") = "9"
    & skf18("2","9","10","2","9","6","1") = "9"
    & skf18("2","9","10","2","9","7","1") = "9"
    & skf18("2","9","10","2","9","8","1") = "9"
    & skf18("2","9","10","2","9","9","1") = "9"
    & skf18("2","9","10","2","9","10","1") = "9"
    & skf18("2","9","10","2","10","1","1") = "9"
    & skf18("2","9","10","2","10","2","1") = "9"
    & skf18("2","9","10","2","10","3","1") = "9"
    & skf18("2","9","10","2","10","4","1") = "9"
    & skf18("2","9","10","2","10","5","1") = "9"
    & skf18("2","9","10","2","10","6","1") = "9"
    & skf18("2","9","10","2","10","7","1") = "9"
    & skf18("2","9","10","2","10","8","1") = "9"
    & skf18("2","9","10","2","10","9","1") = "9"
    & skf18("2","9","10","2","10","10","1") = "9"
    & skf18("2","9","10","3","1","1","1") = "9"
    & skf18("2","9","10","3","1","2","1") = "9"
    & skf18("2","9","10","3","1","3","1") = "9"
    & skf18("2","9","10","3","1","4","1") = "9"
    & skf18("2","9","10","3","1","5","1") = "9"
    & skf18("2","9","10","3","1","6","1") = "9"
    & skf18("2","9","10","3","1","7","1") = "9"
    & skf18("2","9","10","3","1","8","1") = "9"
    & skf18("2","9","10","3","1","9","1") = "9"
    & skf18("2","9","10","3","1","10","1") = "9"
    & skf18("2","9","10","3","2","1","1") = "9"
    & skf18("2","9","10","3","2","2","1") = "9"
    & skf18("2","9","10","3","2","3","1") = "9"
    & skf18("2","9","10","3","2","4","1") = "9"
    & skf18("2","9","10","3","2","5","1") = "9"
    & skf18("2","9","10","3","2","6","1") = "9"
    & skf18("2","9","10","3","2","7","1") = "9"
    & skf18("2","9","10","3","2","8","1") = "9"
    & skf18("2","9","10","3","2","9","1") = "9"
    & skf18("2","9","10","3","2","10","1") = "9"
    & skf18("2","9","10","3","3","1","1") = "9"
    & skf18("2","9","10","3","3","2","1") = "9"
    & skf18("2","9","10","3","3","3","1") = "9"
    & skf18("2","9","10","3","3","4","1") = "9"
    & skf18("2","9","10","3","3","5","1") = "9"
    & skf18("2","9","10","3","3","6","1") = "9"
    & skf18("2","9","10","3","3","7","1") = "9"
    & skf18("2","9","10","3","3","8","1") = "9"
    & skf18("2","9","10","3","3","9","1") = "9"
    & skf18("2","9","10","3","3","10","1") = "9"
    & skf18("2","9","10","3","4","1","1") = "9"
    & skf18("2","9","10","3","4","2","1") = "9"
    & skf18("2","9","10","3","4","3","1") = "9"
    & skf18("2","9","10","3","4","4","1") = "9"
    & skf18("2","9","10","3","4","5","1") = "9"
    & skf18("2","9","10","3","4","6","1") = "9"
    & skf18("2","9","10","3","4","7","1") = "9"
    & skf18("2","9","10","3","4","8","1") = "9"
    & skf18("2","9","10","3","4","9","1") = "9"
    & skf18("2","9","10","3","4","10","1") = "9"
    & skf18("2","9","10","3","5","1","1") = "9"
    & skf18("2","9","10","3","5","2","1") = "9"
    & skf18("2","9","10","3","5","3","1") = "9"
    & skf18("2","9","10","3","5","4","1") = "9"
    & skf18("2","9","10","3","5","5","1") = "9"
    & skf18("2","9","10","3","5","6","1") = "9"
    & skf18("2","9","10","3","5","7","1") = "9"
    & skf18("2","9","10","3","5","8","1") = "9"
    & skf18("2","9","10","3","5","9","1") = "9"
    & skf18("2","9","10","3","5","10","1") = "9"
    & skf18("2","9","10","3","6","1","1") = "9"
    & skf18("2","9","10","3","6","2","1") = "9"
    & skf18("2","9","10","3","6","3","1") = "9"
    & skf18("2","9","10","3","6","4","1") = "9"
    & skf18("2","9","10","3","6","5","1") = "9"
    & skf18("2","9","10","3","6","6","1") = "9"
    & skf18("2","9","10","3","6","7","1") = "9"
    & skf18("2","9","10","3","6","8","1") = "9"
    & skf18("2","9","10","3","6","9","1") = "9"
    & skf18("2","9","10","3","6","10","1") = "9"
    & skf18("2","9","10","3","7","1","1") = "9"
    & skf18("2","9","10","3","7","2","1") = "9"
    & skf18("2","9","10","3","7","3","1") = "9"
    & skf18("2","9","10","3","7","4","1") = "9"
    & skf18("2","9","10","3","7","5","1") = "9"
    & skf18("2","9","10","3","7","6","1") = "9"
    & skf18("2","9","10","3","7","7","1") = "9"
    & skf18("2","9","10","3","7","8","1") = "9"
    & skf18("2","9","10","3","7","9","1") = "9"
    & skf18("2","9","10","3","7","10","1") = "9"
    & skf18("2","9","10","3","8","1","1") = "9"
    & skf18("2","9","10","3","8","2","1") = "9"
    & skf18("2","9","10","3","8","3","1") = "9"
    & skf18("2","9","10","3","8","4","1") = "9"
    & skf18("2","9","10","3","8","5","1") = "9"
    & skf18("2","9","10","3","8","6","1") = "9"
    & skf18("2","9","10","3","8","7","1") = "9"
    & skf18("2","9","10","3","8","8","1") = "9"
    & skf18("2","9","10","3","8","9","1") = "9"
    & skf18("2","9","10","3","8","10","1") = "9"
    & skf18("2","9","10","3","9","1","1") = "9"
    & skf18("2","9","10","3","9","2","1") = "9"
    & skf18("2","9","10","3","9","3","1") = "9"
    & skf18("2","9","10","3","9","4","1") = "9"
    & skf18("2","9","10","3","9","5","1") = "9"
    & skf18("2","9","10","3","9","6","1") = "9"
    & skf18("2","9","10","3","9","7","1") = "9"
    & skf18("2","9","10","3","9","8","1") = "9"
    & skf18("2","9","10","3","9","9","1") = "9"
    & skf18("2","9","10","3","9","10","1") = "9"
    & skf18("2","9","10","3","10","1","1") = "9"
    & skf18("2","9","10","3","10","2","1") = "9"
    & skf18("2","9","10","3","10","3","1") = "9"
    & skf18("2","9","10","3","10","4","1") = "9"
    & skf18("2","9","10","3","10","5","1") = "9"
    & skf18("2","9","10","3","10","6","1") = "9"
    & skf18("2","9","10","3","10","7","1") = "9"
    & skf18("2","9","10","3","10","8","1") = "9"
    & skf18("2","9","10","3","10","9","1") = "9"
    & skf18("2","9","10","3","10","10","1") = "9"
    & skf18("2","9","10","4","1","1","1") = "9"
    & skf18("2","9","10","4","1","2","1") = "9"
    & skf18("2","9","10","4","1","3","1") = "9"
    & skf18("2","9","10","4","1","4","1") = "9"
    & skf18("2","9","10","4","1","5","1") = "9"
    & skf18("2","9","10","4","1","6","1") = "9"
    & skf18("2","9","10","4","1","7","1") = "9"
    & skf18("2","9","10","4","1","8","1") = "9"
    & skf18("2","9","10","4","1","9","1") = "9"
    & skf18("2","9","10","4","1","10","1") = "9"
    & skf18("2","9","10","4","2","1","1") = "9"
    & skf18("2","9","10","4","2","2","1") = "9"
    & skf18("2","9","10","4","2","3","1") = "9"
    & skf18("2","9","10","4","2","4","1") = "9"
    & skf18("2","9","10","4","2","5","1") = "9"
    & skf18("2","9","10","4","2","6","1") = "9"
    & skf18("2","9","10","4","2","7","1") = "9"
    & skf18("2","9","10","4","2","8","1") = "9"
    & skf18("2","9","10","4","2","9","1") = "9"
    & skf18("2","9","10","4","2","10","1") = "9"
    & skf18("2","9","10","4","3","1","1") = "9"
    & skf18("2","9","10","4","3","2","1") = "9"
    & skf18("2","9","10","4","3","3","1") = "9"
    & skf18("2","9","10","4","3","4","1") = "9"
    & skf18("2","9","10","4","3","5","1") = "9"
    & skf18("2","9","10","4","3","6","1") = "9"
    & skf18("2","9","10","4","3","7","1") = "9"
    & skf18("2","9","10","4","3","8","1") = "9"
    & skf18("2","9","10","4","3","9","1") = "9"
    & skf18("2","9","10","4","3","10","1") = "9"
    & skf18("2","9","10","4","4","1","1") = "9"
    & skf18("2","9","10","4","4","2","1") = "9"
    & skf18("2","9","10","4","4","3","1") = "9"
    & skf18("2","9","10","4","4","4","1") = "9"
    & skf18("2","9","10","4","4","5","1") = "9"
    & skf18("2","9","10","4","4","6","1") = "9"
    & skf18("2","9","10","4","4","7","1") = "9"
    & skf18("2","9","10","4","4","8","1") = "9"
    & skf18("2","9","10","4","4","9","1") = "9"
    & skf18("2","9","10","4","4","10","1") = "9"
    & skf18("2","9","10","4","5","1","1") = "9"
    & skf18("2","9","10","4","5","2","1") = "9"
    & skf18("2","9","10","4","5","3","1") = "9"
    & skf18("2","9","10","4","5","4","1") = "9"
    & skf18("2","9","10","4","5","5","1") = "9"
    & skf18("2","9","10","4","5","6","1") = "9"
    & skf18("2","9","10","4","5","7","1") = "9"
    & skf18("2","9","10","4","5","8","1") = "9"
    & skf18("2","9","10","4","5","9","1") = "9"
    & skf18("2","9","10","4","5","10","1") = "9"
    & skf18("2","9","10","4","6","1","1") = "9"
    & skf18("2","9","10","4","6","2","1") = "9"
    & skf18("2","9","10","4","6","3","1") = "9"
    & skf18("2","9","10","4","6","4","1") = "9"
    & skf18("2","9","10","4","6","5","1") = "9"
    & skf18("2","9","10","4","6","6","1") = "9"
    & skf18("2","9","10","4","6","7","1") = "9"
    & skf18("2","9","10","4","6","8","1") = "9"
    & skf18("2","9","10","4","6","9","1") = "9"
    & skf18("2","9","10","4","6","10","1") = "9"
    & skf18("2","9","10","4","7","1","1") = "9"
    & skf18("2","9","10","4","7","2","1") = "9"
    & skf18("2","9","10","4","7","3","1") = "9"
    & skf18("2","9","10","4","7","4","1") = "9"
    & skf18("2","9","10","4","7","5","1") = "9"
    & skf18("2","9","10","4","7","6","1") = "9"
    & skf18("2","9","10","4","7","7","1") = "9"
    & skf18("2","9","10","4","7","8","1") = "9"
    & skf18("2","9","10","4","7","9","1") = "9"
    & skf18("2","9","10","4","7","10","1") = "9"
    & skf18("2","9","10","4","8","1","1") = "9"
    & skf18("2","9","10","4","8","2","1") = "9"
    & skf18("2","9","10","4","8","3","1") = "9"
    & skf18("2","9","10","4","8","4","1") = "9"
    & skf18("2","9","10","4","8","5","1") = "9"
    & skf18("2","9","10","4","8","6","1") = "9"
    & skf18("2","9","10","4","8","7","1") = "9"
    & skf18("2","9","10","4","8","8","1") = "9"
    & skf18("2","9","10","4","8","9","1") = "9"
    & skf18("2","9","10","4","8","10","1") = "9"
    & skf18("2","9","10","4","9","1","1") = "9"
    & skf18("2","9","10","4","9","2","1") = "9"
    & skf18("2","9","10","4","9","3","1") = "9"
    & skf18("2","9","10","4","9","4","1") = "9"
    & skf18("2","9","10","4","9","5","1") = "9"
    & skf18("2","9","10","4","9","6","1") = "9"
    & skf18("2","9","10","4","9","7","1") = "9"
    & skf18("2","9","10","4","9","8","1") = "9"
    & skf18("2","9","10","4","9","9","1") = "9"
    & skf18("2","9","10","4","9","10","1") = "9"
    & skf18("2","9","10","4","10","1","1") = "9"
    & skf18("2","9","10","4","10","2","1") = "9"
    & skf18("2","9","10","4","10","3","1") = "9"
    & skf18("2","9","10","4","10","4","1") = "9"
    & skf18("2","9","10","4","10","5","1") = "9"
    & skf18("2","9","10","4","10","6","1") = "9"
    & skf18("2","9","10","4","10","7","1") = "9"
    & skf18("2","9","10","4","10","8","1") = "9"
    & skf18("2","9","10","4","10","9","1") = "9"
    & skf18("2","9","10","4","10","10","1") = "9"
    & skf18("2","9","10","5","1","1","1") = "9"
    & skf18("2","9","10","5","1","2","1") = "9"
    & skf18("2","9","10","5","1","3","1") = "9"
    & skf18("2","9","10","5","1","4","1") = "9"
    & skf18("2","9","10","5","1","5","1") = "9"
    & skf18("2","9","10","5","1","6","1") = "9"
    & skf18("2","9","10","5","1","7","1") = "9"
    & skf18("2","9","10","5","1","8","1") = "9"
    & skf18("2","9","10","5","1","9","1") = "9"
    & skf18("2","9","10","5","1","10","1") = "9"
    & skf18("2","9","10","5","2","1","1") = "9"
    & skf18("2","9","10","5","2","2","1") = "9"
    & skf18("2","9","10","5","2","3","1") = "9"
    & skf18("2","9","10","5","2","4","1") = "9"
    & skf18("2","9","10","5","2","5","1") = "9"
    & skf18("2","9","10","5","2","6","1") = "9"
    & skf18("2","9","10","5","2","7","1") = "9"
    & skf18("2","9","10","5","2","8","1") = "9"
    & skf18("2","9","10","5","2","9","1") = "9"
    & skf18("2","9","10","5","2","10","1") = "9"
    & skf18("2","9","10","5","3","1","1") = "9"
    & skf18("2","9","10","5","3","2","1") = "9"
    & skf18("2","9","10","5","3","3","1") = "9"
    & skf18("2","9","10","5","3","4","1") = "9"
    & skf18("2","9","10","5","3","5","1") = "9"
    & skf18("2","9","10","5","3","6","1") = "9"
    & skf18("2","9","10","5","3","7","1") = "9"
    & skf18("2","9","10","5","3","8","1") = "9"
    & skf18("2","9","10","5","3","9","1") = "9"
    & skf18("2","9","10","5","3","10","1") = "9"
    & skf18("2","9","10","5","4","1","1") = "9"
    & skf18("2","9","10","5","4","2","1") = "9"
    & skf18("2","9","10","5","4","3","1") = "9"
    & skf18("2","9","10","5","4","4","1") = "9"
    & skf18("2","9","10","5","4","5","1") = "9"
    & skf18("2","9","10","5","4","6","1") = "9"
    & skf18("2","9","10","5","4","7","1") = "9"
    & skf18("2","9","10","5","4","8","1") = "9"
    & skf18("2","9","10","5","4","9","1") = "9"
    & skf18("2","9","10","5","4","10","1") = "9"
    & skf18("2","9","10","5","5","1","1") = "9"
    & skf18("2","9","10","5","5","2","1") = "9"
    & skf18("2","9","10","5","5","3","1") = "9"
    & skf18("2","9","10","5","5","4","1") = "9"
    & skf18("2","9","10","5","5","5","1") = "9"
    & skf18("2","9","10","5","5","6","1") = "9"
    & skf18("2","9","10","5","5","7","1") = "9"
    & skf18("2","9","10","5","5","8","1") = "9"
    & skf18("2","9","10","5","5","9","1") = "9"
    & skf18("2","9","10","5","5","10","1") = "9"
    & skf18("2","9","10","5","6","1","1") = "9"
    & skf18("2","9","10","5","6","2","1") = "9"
    & skf18("2","9","10","5","6","3","1") = "9"
    & skf18("2","9","10","5","6","4","1") = "9"
    & skf18("2","9","10","5","6","5","1") = "9"
    & skf18("2","9","10","5","6","6","1") = "9"
    & skf18("2","9","10","5","6","7","1") = "9"
    & skf18("2","9","10","5","6","8","1") = "9"
    & skf18("2","9","10","5","6","9","1") = "9"
    & skf18("2","9","10","5","6","10","1") = "9"
    & skf18("2","9","10","5","7","1","1") = "9"
    & skf18("2","9","10","5","7","2","1") = "9"
    & skf18("2","9","10","5","7","3","1") = "9"
    & skf18("2","9","10","5","7","4","1") = "9"
    & skf18("2","9","10","5","7","5","1") = "9"
    & skf18("2","9","10","5","7","6","1") = "9"
    & skf18("2","9","10","5","7","7","1") = "9"
    & skf18("2","9","10","5","7","8","1") = "9"
    & skf18("2","9","10","5","7","9","1") = "9"
    & skf18("2","9","10","5","7","10","1") = "9"
    & skf18("2","9","10","5","8","1","1") = "9"
    & skf18("2","9","10","5","8","2","1") = "9"
    & skf18("2","9","10","5","8","3","1") = "9"
    & skf18("2","9","10","5","8","4","1") = "9"
    & skf18("2","9","10","5","8","5","1") = "9"
    & skf18("2","9","10","5","8","6","1") = "9"
    & skf18("2","9","10","5","8","7","1") = "9"
    & skf18("2","9","10","5","8","8","1") = "9"
    & skf18("2","9","10","5","8","9","1") = "9"
    & skf18("2","9","10","5","8","10","1") = "9"
    & skf18("2","9","10","5","9","1","1") = "9"
    & skf18("2","9","10","5","9","2","1") = "9"
    & skf18("2","9","10","5","9","3","1") = "9"
    & skf18("2","9","10","5","9","4","1") = "9"
    & skf18("2","9","10","5","9","5","1") = "9"
    & skf18("2","9","10","5","9","6","1") = "9"
    & skf18("2","9","10","5","9","7","1") = "9"
    & skf18("2","9","10","5","9","8","1") = "9"
    & skf18("2","9","10","5","9","9","1") = "9"
    & skf18("2","9","10","5","9","10","1") = "9"
    & skf18("2","9","10","5","10","1","1") = "9"
    & skf18("2","9","10","5","10","2","1") = "9"
    & skf18("2","9","10","5","10","3","1") = "9"
    & skf18("2","9","10","5","10","4","1") = "9"
    & skf18("2","9","10","5","10","5","1") = "9"
    & skf18("2","9","10","5","10","6","1") = "9"
    & skf18("2","9","10","5","10","7","1") = "9"
    & skf18("2","9","10","5","10","8","1") = "9"
    & skf18("2","9","10","5","10","9","1") = "9"
    & skf18("2","9","10","5","10","10","1") = "9"
    & skf18("2","9","10","6","1","1","1") = "9"
    & skf18("2","9","10","6","1","2","1") = "9"
    & skf18("2","9","10","6","1","3","1") = "9"
    & skf18("2","9","10","6","1","4","1") = "9"
    & skf18("2","9","10","6","1","5","1") = "9"
    & skf18("2","9","10","6","1","6","1") = "9"
    & skf18("2","9","10","6","1","7","1") = "9"
    & skf18("2","9","10","6","1","8","1") = "9"
    & skf18("2","9","10","6","1","9","1") = "9"
    & skf18("2","9","10","6","1","10","1") = "9"
    & skf18("2","9","10","6","2","1","1") = "9"
    & skf18("2","9","10","6","2","2","1") = "9"
    & skf18("2","9","10","6","2","3","1") = "9"
    & skf18("2","9","10","6","2","4","1") = "9"
    & skf18("2","9","10","6","2","5","1") = "9"
    & skf18("2","9","10","6","2","6","1") = "9"
    & skf18("2","9","10","6","2","7","1") = "9"
    & skf18("2","9","10","6","2","8","1") = "9"
    & skf18("2","9","10","6","2","9","1") = "9"
    & skf18("2","9","10","6","2","10","1") = "9"
    & skf18("2","9","10","6","3","1","1") = "9"
    & skf18("2","9","10","6","3","2","1") = "9"
    & skf18("2","9","10","6","3","3","1") = "9"
    & skf18("2","9","10","6","3","4","1") = "9"
    & skf18("2","9","10","6","3","5","1") = "9"
    & skf18("2","9","10","6","3","6","1") = "9"
    & skf18("2","9","10","6","3","7","1") = "9"
    & skf18("2","9","10","6","3","8","1") = "9"
    & skf18("2","9","10","6","3","9","1") = "9"
    & skf18("2","9","10","6","3","10","1") = "9"
    & skf18("2","9","10","6","4","1","1") = "9"
    & skf18("2","9","10","6","4","2","1") = "9"
    & skf18("2","9","10","6","4","3","1") = "9"
    & skf18("2","9","10","6","4","4","1") = "9"
    & skf18("2","9","10","6","4","5","1") = "9"
    & skf18("2","9","10","6","4","6","1") = "9"
    & skf18("2","9","10","6","4","7","1") = "9"
    & skf18("2","9","10","6","4","8","1") = "9"
    & skf18("2","9","10","6","4","9","1") = "9"
    & skf18("2","9","10","6","4","10","1") = "9"
    & skf18("2","9","10","6","5","1","1") = "9"
    & skf18("2","9","10","6","5","2","1") = "9"
    & skf18("2","9","10","6","5","3","1") = "9"
    & skf18("2","9","10","6","5","4","1") = "9"
    & skf18("2","9","10","6","5","5","1") = "9"
    & skf18("2","9","10","6","5","6","1") = "9"
    & skf18("2","9","10","6","5","7","1") = "9"
    & skf18("2","9","10","6","5","8","1") = "9"
    & skf18("2","9","10","6","5","9","1") = "9"
    & skf18("2","9","10","6","5","10","1") = "9"
    & skf18("2","9","10","6","6","1","1") = "9"
    & skf18("2","9","10","6","6","2","1") = "9"
    & skf18("2","9","10","6","6","3","1") = "9"
    & skf18("2","9","10","6","6","4","1") = "9"
    & skf18("2","9","10","6","6","5","1") = "9"
    & skf18("2","9","10","6","6","6","1") = "9"
    & skf18("2","9","10","6","6","7","1") = "9"
    & skf18("2","9","10","6","6","8","1") = "9"
    & skf18("2","9","10","6","6","9","1") = "9"
    & skf18("2","9","10","6","6","10","1") = "9"
    & skf18("2","9","10","6","7","1","1") = "9"
    & skf18("2","9","10","6","7","2","1") = "9"
    & skf18("2","9","10","6","7","3","1") = "9"
    & skf18("2","9","10","6","7","4","1") = "9"
    & skf18("2","9","10","6","7","5","1") = "9"
    & skf18("2","9","10","6","7","6","1") = "9"
    & skf18("2","9","10","6","7","7","1") = "9"
    & skf18("2","9","10","6","7","8","1") = "9"
    & skf18("2","9","10","6","7","9","1") = "9"
    & skf18("2","9","10","6","7","10","1") = "9"
    & skf18("2","9","10","6","8","1","1") = "9"
    & skf18("2","9","10","6","8","2","1") = "9"
    & skf18("2","9","10","6","8","3","1") = "9"
    & skf18("2","9","10","6","8","4","1") = "9"
    & skf18("2","9","10","6","8","5","1") = "9"
    & skf18("2","9","10","6","8","6","1") = "9"
    & skf18("2","9","10","6","8","7","1") = "9"
    & skf18("2","9","10","6","8","8","1") = "9"
    & skf18("2","9","10","6","8","9","1") = "9"
    & skf18("2","9","10","6","8","10","1") = "9"
    & skf18("2","9","10","6","9","1","1") = "9"
    & skf18("2","9","10","6","9","2","1") = "9"
    & skf18("2","9","10","6","9","3","1") = "9"
    & skf18("2","9","10","6","9","4","1") = "9"
    & skf18("2","9","10","6","9","5","1") = "9"
    & skf18("2","9","10","6","9","6","1") = "9"
    & skf18("2","9","10","6","9","7","1") = "9"
    & skf18("2","9","10","6","9","8","1") = "9"
    & skf18("2","9","10","6","9","9","1") = "9"
    & skf18("2","9","10","6","9","10","1") = "9"
    & skf18("2","9","10","6","10","1","1") = "9"
    & skf18("2","9","10","6","10","2","1") = "9"
    & skf18("2","9","10","6","10","3","1") = "9"
    & skf18("2","9","10","6","10","4","1") = "9"
    & skf18("2","9","10","6","10","5","1") = "9"
    & skf18("2","9","10","6","10","6","1") = "9"
    & skf18("2","9","10","6","10","7","1") = "9"
    & skf18("2","9","10","6","10","8","1") = "9"
    & skf18("2","9","10","6","10","9","1") = "9"
    & skf18("2","9","10","6","10","10","1") = "9"
    & skf18("2","9","10","7","1","1","1") = "9"
    & skf18("2","9","10","7","1","2","1") = "9"
    & skf18("2","9","10","7","1","3","1") = "9"
    & skf18("2","9","10","7","1","4","1") = "9"
    & skf18("2","9","10","7","1","5","1") = "9"
    & skf18("2","9","10","7","1","6","1") = "9"
    & skf18("2","9","10","7","1","7","1") = "9"
    & skf18("2","9","10","7","1","8","1") = "9"
    & skf18("2","9","10","7","1","9","1") = "9"
    & skf18("2","9","10","7","1","10","1") = "9"
    & skf18("2","9","10","7","2","1","1") = "9"
    & skf18("2","9","10","7","2","2","1") = "9"
    & skf18("2","9","10","7","2","3","1") = "9"
    & skf18("2","9","10","7","2","4","1") = "9"
    & skf18("2","9","10","7","2","5","1") = "9"
    & skf18("2","9","10","7","2","6","1") = "9"
    & skf18("2","9","10","7","2","7","1") = "9"
    & skf18("2","9","10","7","2","8","1") = "9"
    & skf18("2","9","10","7","2","9","1") = "9"
    & skf18("2","9","10","7","2","10","1") = "9"
    & skf18("2","9","10","7","3","1","1") = "9"
    & skf18("2","9","10","7","3","2","1") = "9"
    & skf18("2","9","10","7","3","3","1") = "9"
    & skf18("2","9","10","7","3","4","1") = "9"
    & skf18("2","9","10","7","3","5","1") = "9"
    & skf18("2","9","10","7","3","6","1") = "9"
    & skf18("2","9","10","7","3","7","1") = "9"
    & skf18("2","9","10","7","3","8","1") = "9"
    & skf18("2","9","10","7","3","9","1") = "9"
    & skf18("2","9","10","7","3","10","1") = "9"
    & skf18("2","9","10","7","4","1","1") = "9"
    & skf18("2","9","10","7","4","2","1") = "9"
    & skf18("2","9","10","7","4","3","1") = "9"
    & skf18("2","9","10","7","4","4","1") = "9"
    & skf18("2","9","10","7","4","5","1") = "9"
    & skf18("2","9","10","7","4","6","1") = "9"
    & skf18("2","9","10","7","4","7","1") = "9"
    & skf18("2","9","10","7","4","8","1") = "9"
    & skf18("2","9","10","7","4","9","1") = "9"
    & skf18("2","9","10","7","4","10","1") = "9"
    & skf18("2","9","10","7","5","1","1") = "9"
    & skf18("2","9","10","7","5","2","1") = "9"
    & skf18("2","9","10","7","5","3","1") = "9"
    & skf18("2","9","10","7","5","4","1") = "9"
    & skf18("2","9","10","7","5","5","1") = "9"
    & skf18("2","9","10","7","5","6","1") = "9"
    & skf18("2","9","10","7","5","7","1") = "9"
    & skf18("2","9","10","7","5","8","1") = "9"
    & skf18("2","9","10","7","5","9","1") = "9"
    & skf18("2","9","10","7","5","10","1") = "9"
    & skf18("2","9","10","7","6","1","1") = "9"
    & skf18("2","9","10","7","6","2","1") = "9"
    & skf18("2","9","10","7","6","3","1") = "9"
    & skf18("2","9","10","7","6","4","1") = "9"
    & skf18("2","9","10","7","6","5","1") = "9"
    & skf18("2","9","10","7","6","6","1") = "9"
    & skf18("2","9","10","7","6","7","1") = "9"
    & skf18("2","9","10","7","6","8","1") = "9"
    & skf18("2","9","10","7","6","9","1") = "9"
    & skf18("2","9","10","7","6","10","1") = "9"
    & skf18("2","9","10","7","7","1","1") = "9"
    & skf18("2","9","10","7","7","2","1") = "9"
    & skf18("2","9","10","7","7","3","1") = "9"
    & skf18("2","9","10","7","7","4","1") = "9"
    & skf18("2","9","10","7","7","5","1") = "9"
    & skf18("2","9","10","7","7","6","1") = "9"
    & skf18("2","9","10","7","7","7","1") = "9"
    & skf18("2","9","10","7","7","8","1") = "9"
    & skf18("2","9","10","7","7","9","1") = "9"
    & skf18("2","9","10","7","7","10","1") = "9"
    & skf18("2","9","10","7","8","1","1") = "9"
    & skf18("2","9","10","7","8","2","1") = "9"
    & skf18("2","9","10","7","8","3","1") = "9"
    & skf18("2","9","10","7","8","4","1") = "9"
    & skf18("2","9","10","7","8","5","1") = "9"
    & skf18("2","9","10","7","8","6","1") = "9"
    & skf18("2","9","10","7","8","7","1") = "9"
    & skf18("2","9","10","7","8","8","1") = "9"
    & skf18("2","9","10","7","8","9","1") = "9"
    & skf18("2","9","10","7","8","10","1") = "9"
    & skf18("2","9","10","7","9","1","1") = "9"
    & skf18("2","9","10","7","9","2","1") = "9"
    & skf18("2","9","10","7","9","3","1") = "9"
    & skf18("2","9","10","7","9","4","1") = "9"
    & skf18("2","9","10","7","9","5","1") = "9"
    & skf18("2","9","10","7","9","6","1") = "9"
    & skf18("2","9","10","7","9","7","1") = "9"
    & skf18("2","9","10","7","9","8","1") = "9"
    & skf18("2","9","10","7","9","9","1") = "9"
    & skf18("2","9","10","7","9","10","1") = "9"
    & skf18("2","9","10","7","10","1","1") = "9"
    & skf18("2","9","10","7","10","2","1") = "9"
    & skf18("2","9","10","7","10","3","1") = "9"
    & skf18("2","9","10","7","10","4","1") = "9"
    & skf18("2","9","10","7","10","5","1") = "9"
    & skf18("2","9","10","7","10","6","1") = "9"
    & skf18("2","9","10","7","10","7","1") = "9"
    & skf18("2","9","10","7","10","8","1") = "9"
    & skf18("2","9","10","7","10","9","1") = "9"
    & skf18("2","9","10","7","10","10","1") = "9"
    & skf18("2","9","10","8","1","1","1") = "9"
    & skf18("2","9","10","8","1","2","1") = "9"
    & skf18("2","9","10","8","1","3","1") = "9"
    & skf18("2","9","10","8","1","4","1") = "9"
    & skf18("2","9","10","8","1","5","1") = "9"
    & skf18("2","9","10","8","1","6","1") = "9"
    & skf18("2","9","10","8","1","7","1") = "9"
    & skf18("2","9","10","8","1","8","1") = "9"
    & skf18("2","9","10","8","1","9","1") = "9"
    & skf18("2","9","10","8","1","10","1") = "9"
    & skf18("2","9","10","8","2","1","1") = "9"
    & skf18("2","9","10","8","2","2","1") = "9"
    & skf18("2","9","10","8","2","3","1") = "9"
    & skf18("2","9","10","8","2","4","1") = "9"
    & skf18("2","9","10","8","2","5","1") = "9"
    & skf18("2","9","10","8","2","6","1") = "9"
    & skf18("2","9","10","8","2","7","1") = "9"
    & skf18("2","9","10","8","2","8","1") = "9"
    & skf18("2","9","10","8","2","9","1") = "9"
    & skf18("2","9","10","8","2","10","1") = "9"
    & skf18("2","9","10","8","3","1","1") = "9"
    & skf18("2","9","10","8","3","2","1") = "9"
    & skf18("2","9","10","8","3","3","1") = "9"
    & skf18("2","9","10","8","3","4","1") = "9"
    & skf18("2","9","10","8","3","5","1") = "9"
    & skf18("2","9","10","8","3","6","1") = "9"
    & skf18("2","9","10","8","3","7","1") = "9"
    & skf18("2","9","10","8","3","8","1") = "9"
    & skf18("2","9","10","8","3","9","1") = "9"
    & skf18("2","9","10","8","3","10","1") = "9"
    & skf18("2","9","10","8","4","1","1") = "9"
    & skf18("2","9","10","8","4","2","1") = "9"
    & skf18("2","9","10","8","4","3","1") = "9"
    & skf18("2","9","10","8","4","4","1") = "9"
    & skf18("2","9","10","8","4","5","1") = "9"
    & skf18("2","9","10","8","4","6","1") = "9"
    & skf18("2","9","10","8","4","7","1") = "9"
    & skf18("2","9","10","8","4","8","1") = "9"
    & skf18("2","9","10","8","4","9","1") = "9"
    & skf18("2","9","10","8","4","10","1") = "9"
    & skf18("2","9","10","8","5","1","1") = "9"
    & skf18("2","9","10","8","5","2","1") = "9"
    & skf18("2","9","10","8","5","3","1") = "9"
    & skf18("2","9","10","8","5","4","1") = "9"
    & skf18("2","9","10","8","5","5","1") = "9"
    & skf18("2","9","10","8","5","6","1") = "9"
    & skf18("2","9","10","8","5","7","1") = "9"
    & skf18("2","9","10","8","5","8","1") = "9"
    & skf18("2","9","10","8","5","9","1") = "9"
    & skf18("2","9","10","8","5","10","1") = "9"
    & skf18("2","9","10","8","6","1","1") = "9"
    & skf18("2","9","10","8","6","2","1") = "9"
    & skf18("2","9","10","8","6","3","1") = "9"
    & skf18("2","9","10","8","6","4","1") = "9"
    & skf18("2","9","10","8","6","5","1") = "9"
    & skf18("2","9","10","8","6","6","1") = "9"
    & skf18("2","9","10","8","6","7","1") = "9"
    & skf18("2","9","10","8","6","8","1") = "9"
    & skf18("2","9","10","8","6","9","1") = "9"
    & skf18("2","9","10","8","6","10","1") = "9"
    & skf18("2","9","10","8","7","1","1") = "9"
    & skf18("2","9","10","8","7","2","1") = "9"
    & skf18("2","9","10","8","7","3","1") = "9"
    & skf18("2","9","10","8","7","4","1") = "9"
    & skf18("2","9","10","8","7","5","1") = "9"
    & skf18("2","9","10","8","7","6","1") = "9"
    & skf18("2","9","10","8","7","7","1") = "9"
    & skf18("2","9","10","8","7","8","1") = "9"
    & skf18("2","9","10","8","7","9","1") = "9"
    & skf18("2","9","10","8","7","10","1") = "9"
    & skf18("2","9","10","8","8","1","1") = "9"
    & skf18("2","9","10","8","8","2","1") = "9"
    & skf18("2","9","10","8","8","3","1") = "9"
    & skf18("2","9","10","8","8","4","1") = "9"
    & skf18("2","9","10","8","8","5","1") = "9"
    & skf18("2","9","10","8","8","6","1") = "9"
    & skf18("2","9","10","8","8","7","1") = "9"
    & skf18("2","9","10","8","8","8","1") = "9"
    & skf18("2","9","10","8","8","9","1") = "9"
    & skf18("2","9","10","8","8","10","1") = "9"
    & skf18("2","9","10","8","9","1","1") = "9"
    & skf18("2","9","10","8","9","2","1") = "9"
    & skf18("2","9","10","8","9","3","1") = "9"
    & skf18("2","9","10","8","9","4","1") = "9"
    & skf18("2","9","10","8","9","5","1") = "9"
    & skf18("2","9","10","8","9","6","1") = "9"
    & skf18("2","9","10","8","9","7","1") = "9"
    & skf18("2","9","10","8","9","8","1") = "9"
    & skf18("2","9","10","8","9","9","1") = "9"
    & skf18("2","9","10","8","9","10","1") = "9"
    & skf18("2","9","10","8","10","1","1") = "9"
    & skf18("2","9","10","8","10","2","1") = "9"
    & skf18("2","9","10","8","10","3","1") = "9"
    & skf18("2","9","10","8","10","4","1") = "9"
    & skf18("2","9","10","8","10","5","1") = "9"
    & skf18("2","9","10","8","10","6","1") = "9"
    & skf18("2","9","10","8","10","7","1") = "9"
    & skf18("2","9","10","8","10","8","1") = "9"
    & skf18("2","9","10","8","10","9","1") = "9"
    & skf18("2","9","10","8","10","10","1") = "9"
    & skf18("2","9","10","9","1","1","1") = "9"
    & skf18("2","9","10","9","1","2","1") = "9"
    & skf18("2","9","10","9","1","3","1") = "9"
    & skf18("2","9","10","9","1","4","1") = "9"
    & skf18("2","9","10","9","1","5","1") = "9"
    & skf18("2","9","10","9","1","6","1") = "9"
    & skf18("2","9","10","9","1","7","1") = "9"
    & skf18("2","9","10","9","1","8","1") = "9"
    & skf18("2","9","10","9","1","9","1") = "9"
    & skf18("2","9","10","9","1","10","1") = "9"
    & skf18("2","9","10","9","2","1","1") = "9"
    & skf18("2","9","10","9","2","2","1") = "9"
    & skf18("2","9","10","9","2","3","1") = "9"
    & skf18("2","9","10","9","2","4","1") = "9"
    & skf18("2","9","10","9","2","5","1") = "9"
    & skf18("2","9","10","9","2","6","1") = "9"
    & skf18("2","9","10","9","2","7","1") = "9"
    & skf18("2","9","10","9","2","8","1") = "9"
    & skf18("2","9","10","9","2","9","1") = "9"
    & skf18("2","9","10","9","2","10","1") = "9"
    & skf18("2","9","10","9","3","1","1") = "9"
    & skf18("2","9","10","9","3","2","1") = "9"
    & skf18("2","9","10","9","3","3","1") = "9"
    & skf18("2","9","10","9","3","4","1") = "9"
    & skf18("2","9","10","9","3","5","1") = "9"
    & skf18("2","9","10","9","3","6","1") = "9"
    & skf18("2","9","10","9","3","7","1") = "9"
    & skf18("2","9","10","9","3","8","1") = "9"
    & skf18("2","9","10","9","3","9","1") = "9"
    & skf18("2","9","10","9","3","10","1") = "9"
    & skf18("2","9","10","9","4","1","1") = "9"
    & skf18("2","9","10","9","4","2","1") = "9"
    & skf18("2","9","10","9","4","3","1") = "9"
    & skf18("2","9","10","9","4","4","1") = "9"
    & skf18("2","9","10","9","4","5","1") = "9"
    & skf18("2","9","10","9","4","6","1") = "9"
    & skf18("2","9","10","9","4","7","1") = "9"
    & skf18("2","9","10","9","4","8","1") = "9"
    & skf18("2","9","10","9","4","9","1") = "9"
    & skf18("2","9","10","9","4","10","1") = "9"
    & skf18("2","9","10","9","5","1","1") = "9"
    & skf18("2","9","10","9","5","2","1") = "9"
    & skf18("2","9","10","9","5","3","1") = "9"
    & skf18("2","9","10","9","5","4","1") = "9"
    & skf18("2","9","10","9","5","5","1") = "9"
    & skf18("2","9","10","9","5","6","1") = "9"
    & skf18("2","9","10","9","5","7","1") = "9"
    & skf18("2","9","10","9","5","8","1") = "9"
    & skf18("2","9","10","9","5","9","1") = "9"
    & skf18("2","9","10","9","5","10","1") = "9"
    & skf18("2","9","10","9","6","1","1") = "9"
    & skf18("2","9","10","9","6","2","1") = "9"
    & skf18("2","9","10","9","6","3","1") = "9"
    & skf18("2","9","10","9","6","4","1") = "9"
    & skf18("2","9","10","9","6","5","1") = "9"
    & skf18("2","9","10","9","6","6","1") = "9"
    & skf18("2","9","10","9","6","7","1") = "9"
    & skf18("2","9","10","9","6","8","1") = "9"
    & skf18("2","9","10","9","6","9","1") = "9"
    & skf18("2","9","10","9","6","10","1") = "9"
    & skf18("2","9","10","9","7","1","1") = "9"
    & skf18("2","9","10","9","7","2","1") = "9"
    & skf18("2","9","10","9","7","3","1") = "9"
    & skf18("2","9","10","9","7","4","1") = "9"
    & skf18("2","9","10","9","7","5","1") = "9"
    & skf18("2","9","10","9","7","6","1") = "9"
    & skf18("2","9","10","9","7","7","1") = "9"
    & skf18("2","9","10","9","7","8","1") = "9"
    & skf18("2","9","10","9","7","9","1") = "9"
    & skf18("2","9","10","9","7","10","1") = "9"
    & skf18("2","9","10","9","8","1","1") = "9"
    & skf18("2","9","10","9","8","2","1") = "9"
    & skf18("2","9","10","9","8","3","1") = "9"
    & skf18("2","9","10","9","8","4","1") = "9"
    & skf18("2","9","10","9","8","5","1") = "9"
    & skf18("2","9","10","9","8","6","1") = "9"
    & skf18("2","9","10","9","8","7","1") = "9"
    & skf18("2","9","10","9","8","8","1") = "9"
    & skf18("2","9","10","9","8","9","1") = "9"
    & skf18("2","9","10","9","8","10","1") = "9"
    & skf18("2","9","10","9","9","1","1") = "9"
    & skf18("2","9","10","9","9","2","1") = "9"
    & skf18("2","9","10","9","9","3","1") = "9"
    & skf18("2","9","10","9","9","4","1") = "9"
    & skf18("2","9","10","9","9","5","1") = "9"
    & skf18("2","9","10","9","9","6","1") = "9"
    & skf18("2","9","10","9","9","7","1") = "9"
    & skf18("2","9","10","9","9","8","1") = "9"
    & skf18("2","9","10","9","9","9","1") = "9"
    & skf18("2","9","10","9","9","10","1") = "9"
    & skf18("2","9","10","9","10","1","1") = "9"
    & skf18("2","9","10","9","10","2","1") = "9"
    & skf18("2","9","10","9","10","3","1") = "9"
    & skf18("2","9","10","9","10","4","1") = "9"
    & skf18("2","9","10","9","10","5","1") = "9"
    & skf18("2","9","10","9","10","6","1") = "9"
    & skf18("2","9","10","9","10","7","1") = "9"
    & skf18("2","9","10","9","10","8","1") = "9"
    & skf18("2","9","10","9","10","9","1") = "9"
    & skf18("2","9","10","9","10","10","1") = "9"
    & skf18("2","9","10","10","1","1","1") = "9"
    & skf18("2","9","10","10","1","2","1") = "9"
    & skf18("2","9","10","10","1","3","1") = "9"
    & skf18("2","9","10","10","1","4","1") = "9"
    & skf18("2","9","10","10","1","5","1") = "9"
    & skf18("2","9","10","10","1","6","1") = "9"
    & skf18("2","9","10","10","1","7","1") = "9"
    & skf18("2","9","10","10","1","8","1") = "9"
    & skf18("2","9","10","10","1","9","1") = "9"
    & skf18("2","9","10","10","1","10","1") = "9"
    & skf18("2","9","10","10","2","1","1") = "9"
    & skf18("2","9","10","10","2","2","1") = "9"
    & skf18("2","9","10","10","2","3","1") = "9"
    & skf18("2","9","10","10","2","4","1") = "9"
    & skf18("2","9","10","10","2","5","1") = "9"
    & skf18("2","9","10","10","2","6","1") = "9"
    & skf18("2","9","10","10","2","7","1") = "9"
    & skf18("2","9","10","10","2","8","1") = "9"
    & skf18("2","9","10","10","2","9","1") = "9"
    & skf18("2","9","10","10","2","10","1") = "9"
    & skf18("2","9","10","10","3","1","1") = "9"
    & skf18("2","9","10","10","3","2","1") = "9"
    & skf18("2","9","10","10","3","3","1") = "9"
    & skf18("2","9","10","10","3","4","1") = "9"
    & skf18("2","9","10","10","3","5","1") = "9"
    & skf18("2","9","10","10","3","6","1") = "9"
    & skf18("2","9","10","10","3","7","1") = "9"
    & skf18("2","9","10","10","3","8","1") = "9"
    & skf18("2","9","10","10","3","9","1") = "9"
    & skf18("2","9","10","10","3","10","1") = "9"
    & skf18("2","9","10","10","4","1","1") = "9"
    & skf18("2","9","10","10","4","2","1") = "9"
    & skf18("2","9","10","10","4","3","1") = "9"
    & skf18("2","9","10","10","4","4","1") = "9"
    & skf18("2","9","10","10","4","5","1") = "9"
    & skf18("2","9","10","10","4","6","1") = "9"
    & skf18("2","9","10","10","4","7","1") = "9"
    & skf18("2","9","10","10","4","8","1") = "9"
    & skf18("2","9","10","10","4","9","1") = "9"
    & skf18("2","9","10","10","4","10","1") = "9"
    & skf18("2","9","10","10","5","1","1") = "9"
    & skf18("2","9","10","10","5","2","1") = "9"
    & skf18("2","9","10","10","5","3","1") = "9"
    & skf18("2","9","10","10","5","4","1") = "9"
    & skf18("2","9","10","10","5","5","1") = "9"
    & skf18("2","9","10","10","5","6","1") = "9"
    & skf18("2","9","10","10","5","7","1") = "9"
    & skf18("2","9","10","10","5","8","1") = "9"
    & skf18("2","9","10","10","5","9","1") = "9"
    & skf18("2","9","10","10","5","10","1") = "9"
    & skf18("2","9","10","10","6","1","1") = "9"
    & skf18("2","9","10","10","6","2","1") = "9"
    & skf18("2","9","10","10","6","3","1") = "9"
    & skf18("2","9","10","10","6","4","1") = "9"
    & skf18("2","9","10","10","6","5","1") = "9"
    & skf18("2","9","10","10","6","6","1") = "9"
    & skf18("2","9","10","10","6","7","1") = "9"
    & skf18("2","9","10","10","6","8","1") = "9"
    & skf18("2","9","10","10","6","9","1") = "9"
    & skf18("2","9","10","10","6","10","1") = "9"
    & skf18("2","9","10","10","7","1","1") = "9"
    & skf18("2","9","10","10","7","2","1") = "9"
    & skf18("2","9","10","10","7","3","1") = "9"
    & skf18("2","9","10","10","7","4","1") = "9"
    & skf18("2","9","10","10","7","5","1") = "9"
    & skf18("2","9","10","10","7","6","1") = "9"
    & skf18("2","9","10","10","7","7","1") = "9"
    & skf18("2","9","10","10","7","8","1") = "9"
    & skf18("2","9","10","10","7","9","1") = "9"
    & skf18("2","9","10","10","7","10","1") = "9"
    & skf18("2","9","10","10","8","1","1") = "9"
    & skf18("2","9","10","10","8","2","1") = "9"
    & skf18("2","9","10","10","8","3","1") = "9"
    & skf18("2","9","10","10","8","4","1") = "9"
    & skf18("2","9","10","10","8","5","1") = "9"
    & skf18("2","9","10","10","8","6","1") = "9"
    & skf18("2","9","10","10","8","7","1") = "9"
    & skf18("2","9","10","10","8","8","1") = "9"
    & skf18("2","9","10","10","8","9","1") = "9"
    & skf18("2","9","10","10","8","10","1") = "9"
    & skf18("2","9","10","10","9","1","1") = "9"
    & skf18("2","9","10","10","9","2","1") = "9"
    & skf18("2","9","10","10","9","3","1") = "9"
    & skf18("2","9","10","10","9","4","1") = "9"
    & skf18("2","9","10","10","9","5","1") = "9"
    & skf18("2","9","10","10","9","6","1") = "9"
    & skf18("2","9","10","10","9","7","1") = "9"
    & skf18("2","9","10","10","9","8","1") = "9"
    & skf18("2","9","10","10","9","9","1") = "9"
    & skf18("2","9","10","10","9","10","1") = "9"
    & skf18("2","9","10","10","10","1","1") = "9"
    & skf18("2","9","10","10","10","2","1") = "9"
    & skf18("2","9","10","10","10","3","1") = "9"
    & skf18("2","9","10","10","10","4","1") = "9"
    & skf18("2","9","10","10","10","5","1") = "9"
    & skf18("2","9","10","10","10","6","1") = "9"
    & skf18("2","9","10","10","10","7","1") = "9"
    & skf18("2","9","10","10","10","8","1") = "9"
    & skf18("2","9","10","10","10","9","1") = "9"
    & skf18("2","9","10","10","10","10","1") = "9"
    & skf18("2","10","1","1","1","1","1") = "9"
    & skf18("2","10","1","1","1","2","1") = "9"
    & skf18("2","10","1","1","1","3","1") = "9"
    & skf18("2","10","1","1","1","4","1") = "9"
    & skf18("2","10","1","1","1","5","1") = "9"
    & skf18("2","10","1","1","1","6","1") = "9"
    & skf18("2","10","1","1","1","7","1") = "9"
    & skf18("2","10","1","1","1","8","1") = "9"
    & skf18("2","10","1","1","1","9","1") = "9"
    & skf18("2","10","1","1","1","10","1") = "9"
    & skf18("2","10","1","1","2","1","1") = "9"
    & skf18("2","10","1","1","2","2","1") = "9"
    & skf18("2","10","1","1","2","3","1") = "9"
    & skf18("2","10","1","1","2","4","1") = "9"
    & skf18("2","10","1","1","2","5","1") = "9"
    & skf18("2","10","1","1","2","6","1") = "9"
    & skf18("2","10","1","1","2","7","1") = "9"
    & skf18("2","10","1","1","2","8","1") = "9"
    & skf18("2","10","1","1","2","9","1") = "9"
    & skf18("2","10","1","1","2","10","1") = "9"
    & skf18("2","10","1","1","3","1","1") = "9"
    & skf18("2","10","1","1","3","2","1") = "9"
    & skf18("2","10","1","1","3","3","1") = "9"
    & skf18("2","10","1","1","3","4","1") = "9"
    & skf18("2","10","1","1","3","5","1") = "9"
    & skf18("2","10","1","1","3","6","1") = "9"
    & skf18("2","10","1","1","3","7","1") = "9"
    & skf18("2","10","1","1","3","8","1") = "9"
    & skf18("2","10","1","1","3","9","1") = "9"
    & skf18("2","10","1","1","3","10","1") = "9"
    & skf18("2","10","1","1","4","1","1") = "9"
    & skf18("2","10","1","1","4","2","1") = "9"
    & skf18("2","10","1","1","4","3","1") = "9"
    & skf18("2","10","1","1","4","4","1") = "9"
    & skf18("2","10","1","1","4","5","1") = "9"
    & skf18("2","10","1","1","4","6","1") = "9"
    & skf18("2","10","1","1","4","7","1") = "9"
    & skf18("2","10","1","1","4","8","1") = "9"
    & skf18("2","10","1","1","4","9","1") = "9"
    & skf18("2","10","1","1","4","10","1") = "9"
    & skf18("2","10","1","1","5","1","1") = "9"
    & skf18("2","10","1","1","5","2","1") = "9"
    & skf18("2","10","1","1","5","3","1") = "9"
    & skf18("2","10","1","1","5","4","1") = "9"
    & skf18("2","10","1","1","5","5","1") = "9"
    & skf18("2","10","1","1","5","6","1") = "9"
    & skf18("2","10","1","1","5","7","1") = "9"
    & skf18("2","10","1","1","5","8","1") = "9"
    & skf18("2","10","1","1","5","9","1") = "9"
    & skf18("2","10","1","1","5","10","1") = "9"
    & skf18("2","10","1","1","6","1","1") = "9"
    & skf18("2","10","1","1","6","2","1") = "9"
    & skf18("2","10","1","1","6","3","1") = "9"
    & skf18("2","10","1","1","6","4","1") = "9"
    & skf18("2","10","1","1","6","5","1") = "9"
    & skf18("2","10","1","1","6","6","1") = "9"
    & skf18("2","10","1","1","6","7","1") = "9"
    & skf18("2","10","1","1","6","8","1") = "9"
    & skf18("2","10","1","1","6","9","1") = "9"
    & skf18("2","10","1","1","6","10","1") = "9"
    & skf18("2","10","1","1","7","1","1") = "9"
    & skf18("2","10","1","1","7","2","1") = "9"
    & skf18("2","10","1","1","7","3","1") = "9"
    & skf18("2","10","1","1","7","4","1") = "9"
    & skf18("2","10","1","1","7","5","1") = "9"
    & skf18("2","10","1","1","7","6","1") = "9"
    & skf18("2","10","1","1","7","7","1") = "9"
    & skf18("2","10","1","1","7","8","1") = "9"
    & skf18("2","10","1","1","7","9","1") = "9"
    & skf18("2","10","1","1","7","10","1") = "9"
    & skf18("2","10","1","1","8","1","1") = "9"
    & skf18("2","10","1","1","8","2","1") = "9"
    & skf18("2","10","1","1","8","3","1") = "9"
    & skf18("2","10","1","1","8","4","1") = "9"
    & skf18("2","10","1","1","8","5","1") = "9"
    & skf18("2","10","1","1","8","6","1") = "9"
    & skf18("2","10","1","1","8","7","1") = "9"
    & skf18("2","10","1","1","8","8","1") = "9"
    & skf18("2","10","1","1","8","9","1") = "9"
    & skf18("2","10","1","1","8","10","1") = "9"
    & skf18("2","10","1","1","9","1","1") = "9"
    & skf18("2","10","1","1","9","2","1") = "9"
    & skf18("2","10","1","1","9","3","1") = "9"
    & skf18("2","10","1","1","9","4","1") = "9"
    & skf18("2","10","1","1","9","5","1") = "9"
    & skf18("2","10","1","1","9","6","1") = "9"
    & skf18("2","10","1","1","9","7","1") = "9"
    & skf18("2","10","1","1","9","8","1") = "9"
    & skf18("2","10","1","1","9","9","1") = "9"
    & skf18("2","10","1","1","9","10","1") = "9"
    & skf18("2","10","1","1","10","1","1") = "9"
    & skf18("2","10","1","1","10","2","1") = "9"
    & skf18("2","10","1","1","10","3","1") = "9"
    & skf18("2","10","1","1","10","4","1") = "9"
    & skf18("2","10","1","1","10","5","1") = "9"
    & skf18("2","10","1","1","10","6","1") = "9"
    & skf18("2","10","1","1","10","7","1") = "9"
    & skf18("2","10","1","1","10","8","1") = "9"
    & skf18("2","10","1","1","10","9","1") = "9"
    & skf18("2","10","1","1","10","10","1") = "9"
    & skf18("2","10","1","2","1","1","1") = "9"
    & skf18("2","10","1","2","1","2","1") = "9"
    & skf18("2","10","1","2","1","3","1") = "9"
    & skf18("2","10","1","2","1","4","1") = "9"
    & skf18("2","10","1","2","1","5","1") = "9"
    & skf18("2","10","1","2","1","6","1") = "9"
    & skf18("2","10","1","2","1","7","1") = "9"
    & skf18("2","10","1","2","1","8","1") = "9"
    & skf18("2","10","1","2","1","9","1") = "9"
    & skf18("2","10","1","2","1","10","1") = "9"
    & skf18("2","10","1","2","2","1","1") = "9"
    & skf18("2","10","1","2","2","2","1") = "9"
    & skf18("2","10","1","2","2","3","1") = "9"
    & skf18("2","10","1","2","2","4","1") = "9"
    & skf18("2","10","1","2","2","5","1") = "9"
    & skf18("2","10","1","2","2","6","1") = "9"
    & skf18("2","10","1","2","2","7","1") = "9"
    & skf18("2","10","1","2","2","8","1") = "9"
    & skf18("2","10","1","2","2","9","1") = "9"
    & skf18("2","10","1","2","2","10","1") = "9"
    & skf18("2","10","1","2","3","1","1") = "9"
    & skf18("2","10","1","2","3","2","1") = "9"
    & skf18("2","10","1","2","3","3","1") = "9"
    & skf18("2","10","1","2","3","4","1") = "9"
    & skf18("2","10","1","2","3","5","1") = "9"
    & skf18("2","10","1","2","3","6","1") = "9"
    & skf18("2","10","1","2","3","7","1") = "9"
    & skf18("2","10","1","2","3","8","1") = "9"
    & skf18("2","10","1","2","3","9","1") = "9"
    & skf18("2","10","1","2","3","10","1") = "9"
    & skf18("2","10","1","2","4","1","1") = "9"
    & skf18("2","10","1","2","4","2","1") = "9"
    & skf18("2","10","1","2","4","3","1") = "9"
    & skf18("2","10","1","2","4","4","1") = "9"
    & skf18("2","10","1","2","4","5","1") = "9"
    & skf18("2","10","1","2","4","6","1") = "9"
    & skf18("2","10","1","2","4","7","1") = "9"
    & skf18("2","10","1","2","4","8","1") = "9"
    & skf18("2","10","1","2","4","9","1") = "9"
    & skf18("2","10","1","2","4","10","1") = "9"
    & skf18("2","10","1","2","5","1","1") = "9"
    & skf18("2","10","1","2","5","2","1") = "9"
    & skf18("2","10","1","2","5","3","1") = "9"
    & skf18("2","10","1","2","5","4","1") = "9"
    & skf18("2","10","1","2","5","5","1") = "9"
    & skf18("2","10","1","2","5","6","1") = "9"
    & skf18("2","10","1","2","5","7","1") = "9"
    & skf18("2","10","1","2","5","8","1") = "9"
    & skf18("2","10","1","2","5","9","1") = "9"
    & skf18("2","10","1","2","5","10","1") = "9"
    & skf18("2","10","1","2","6","1","1") = "9"
    & skf18("2","10","1","2","6","2","1") = "9"
    & skf18("2","10","1","2","6","3","1") = "9"
    & skf18("2","10","1","2","6","4","1") = "9"
    & skf18("2","10","1","2","6","5","1") = "9"
    & skf18("2","10","1","2","6","6","1") = "9"
    & skf18("2","10","1","2","6","7","1") = "9"
    & skf18("2","10","1","2","6","8","1") = "9"
    & skf18("2","10","1","2","6","9","1") = "9"
    & skf18("2","10","1","2","6","10","1") = "9"
    & skf18("2","10","1","2","7","1","1") = "9"
    & skf18("2","10","1","2","7","2","1") = "9"
    & skf18("2","10","1","2","7","3","1") = "9"
    & skf18("2","10","1","2","7","4","1") = "9"
    & skf18("2","10","1","2","7","5","1") = "9"
    & skf18("2","10","1","2","7","6","1") = "9"
    & skf18("2","10","1","2","7","7","1") = "9"
    & skf18("2","10","1","2","7","8","1") = "9"
    & skf18("2","10","1","2","7","9","1") = "9"
    & skf18("2","10","1","2","7","10","1") = "9"
    & skf18("2","10","1","2","8","1","1") = "9"
    & skf18("2","10","1","2","8","2","1") = "9"
    & skf18("2","10","1","2","8","3","1") = "9"
    & skf18("2","10","1","2","8","4","1") = "9"
    & skf18("2","10","1","2","8","5","1") = "9"
    & skf18("2","10","1","2","8","6","1") = "9"
    & skf18("2","10","1","2","8","7","1") = "9"
    & skf18("2","10","1","2","8","8","1") = "9"
    & skf18("2","10","1","2","8","9","1") = "9"
    & skf18("2","10","1","2","8","10","1") = "9"
    & skf18("2","10","1","2","9","1","1") = "9"
    & skf18("2","10","1","2","9","2","1") = "9"
    & skf18("2","10","1","2","9","3","1") = "9"
    & skf18("2","10","1","2","9","4","1") = "9"
    & skf18("2","10","1","2","9","5","1") = "9"
    & skf18("2","10","1","2","9","6","1") = "9"
    & skf18("2","10","1","2","9","7","1") = "9"
    & skf18("2","10","1","2","9","8","1") = "9"
    & skf18("2","10","1","2","9","9","1") = "9"
    & skf18("2","10","1","2","9","10","1") = "9"
    & skf18("2","10","1","2","10","1","1") = "9"
    & skf18("2","10","1","2","10","2","1") = "9"
    & skf18("2","10","1","2","10","3","1") = "9"
    & skf18("2","10","1","2","10","4","1") = "9"
    & skf18("2","10","1","2","10","5","1") = "9"
    & skf18("2","10","1","2","10","6","1") = "9"
    & skf18("2","10","1","2","10","7","1") = "9"
    & skf18("2","10","1","2","10","8","1") = "9"
    & skf18("2","10","1","2","10","9","1") = "9"
    & skf18("2","10","1","2","10","10","1") = "9"
    & skf18("2","10","1","3","1","1","1") = "9"
    & skf18("2","10","1","3","1","2","1") = "9"
    & skf18("2","10","1","3","1","3","1") = "9"
    & skf18("2","10","1","3","1","4","1") = "9"
    & skf18("2","10","1","3","1","5","1") = "9"
    & skf18("2","10","1","3","1","6","1") = "9"
    & skf18("2","10","1","3","1","7","1") = "9"
    & skf18("2","10","1","3","1","8","1") = "9"
    & skf18("2","10","1","3","1","9","1") = "9"
    & skf18("2","10","1","3","1","10","1") = "9"
    & skf18("2","10","1","3","2","1","1") = "9"
    & skf18("2","10","1","3","2","2","1") = "9"
    & skf18("2","10","1","3","2","3","1") = "9"
    & skf18("2","10","1","3","2","4","1") = "9"
    & skf18("2","10","1","3","2","5","1") = "9"
    & skf18("2","10","1","3","2","6","1") = "9"
    & skf18("2","10","1","3","2","7","1") = "9"
    & skf18("2","10","1","3","2","8","1") = "9"
    & skf18("2","10","1","3","2","9","1") = "9"
    & skf18("2","10","1","3","2","10","1") = "9"
    & skf18("2","10","1","3","3","1","1") = "9"
    & skf18("2","10","1","3","3","2","1") = "9"
    & skf18("2","10","1","3","3","3","1") = "9"
    & skf18("2","10","1","3","3","4","1") = "9"
    & skf18("2","10","1","3","3","5","1") = "9"
    & skf18("2","10","1","3","3","6","1") = "9"
    & skf18("2","10","1","3","3","7","1") = "9"
    & skf18("2","10","1","3","3","8","1") = "9"
    & skf18("2","10","1","3","3","9","1") = "9"
    & skf18("2","10","1","3","3","10","1") = "9"
    & skf18("2","10","1","3","4","1","1") = "9"
    & skf18("2","10","1","3","4","2","1") = "9"
    & skf18("2","10","1","3","4","3","1") = "9"
    & skf18("2","10","1","3","4","4","1") = "9"
    & skf18("2","10","1","3","4","5","1") = "9"
    & skf18("2","10","1","3","4","6","1") = "9"
    & skf18("2","10","1","3","4","7","1") = "9"
    & skf18("2","10","1","3","4","8","1") = "9"
    & skf18("2","10","1","3","4","9","1") = "9"
    & skf18("2","10","1","3","4","10","1") = "9"
    & skf18("2","10","1","3","5","1","1") = "9"
    & skf18("2","10","1","3","5","2","1") = "9"
    & skf18("2","10","1","3","5","3","1") = "9"
    & skf18("2","10","1","3","5","4","1") = "9"
    & skf18("2","10","1","3","5","5","1") = "9"
    & skf18("2","10","1","3","5","6","1") = "9"
    & skf18("2","10","1","3","5","7","1") = "9"
    & skf18("2","10","1","3","5","8","1") = "9"
    & skf18("2","10","1","3","5","9","1") = "9"
    & skf18("2","10","1","3","5","10","1") = "9"
    & skf18("2","10","1","3","6","1","1") = "9"
    & skf18("2","10","1","3","6","2","1") = "9"
    & skf18("2","10","1","3","6","3","1") = "9"
    & skf18("2","10","1","3","6","4","1") = "9"
    & skf18("2","10","1","3","6","5","1") = "9"
    & skf18("2","10","1","3","6","6","1") = "9"
    & skf18("2","10","1","3","6","7","1") = "9"
    & skf18("2","10","1","3","6","8","1") = "9"
    & skf18("2","10","1","3","6","9","1") = "9"
    & skf18("2","10","1","3","6","10","1") = "9"
    & skf18("2","10","1","3","7","1","1") = "9"
    & skf18("2","10","1","3","7","2","1") = "9"
    & skf18("2","10","1","3","7","3","1") = "9"
    & skf18("2","10","1","3","7","4","1") = "9"
    & skf18("2","10","1","3","7","5","1") = "9"
    & skf18("2","10","1","3","7","6","1") = "9"
    & skf18("2","10","1","3","7","7","1") = "9"
    & skf18("2","10","1","3","7","8","1") = "9"
    & skf18("2","10","1","3","7","9","1") = "9"
    & skf18("2","10","1","3","7","10","1") = "9"
    & skf18("2","10","1","3","8","1","1") = "9"
    & skf18("2","10","1","3","8","2","1") = "9"
    & skf18("2","10","1","3","8","3","1") = "9"
    & skf18("2","10","1","3","8","4","1") = "9"
    & skf18("2","10","1","3","8","5","1") = "9"
    & skf18("2","10","1","3","8","6","1") = "9"
    & skf18("2","10","1","3","8","7","1") = "9"
    & skf18("2","10","1","3","8","8","1") = "9"
    & skf18("2","10","1","3","8","9","1") = "9"
    & skf18("2","10","1","3","8","10","1") = "9"
    & skf18("2","10","1","3","9","1","1") = "9"
    & skf18("2","10","1","3","9","2","1") = "9"
    & skf18("2","10","1","3","9","3","1") = "9"
    & skf18("2","10","1","3","9","4","1") = "9"
    & skf18("2","10","1","3","9","5","1") = "9"
    & skf18("2","10","1","3","9","6","1") = "9"
    & skf18("2","10","1","3","9","7","1") = "9"
    & skf18("2","10","1","3","9","8","1") = "9"
    & skf18("2","10","1","3","9","9","1") = "9"
    & skf18("2","10","1","3","9","10","1") = "9"
    & skf18("2","10","1","3","10","1","1") = "9"
    & skf18("2","10","1","3","10","2","1") = "9"
    & skf18("2","10","1","3","10","3","1") = "9"
    & skf18("2","10","1","3","10","4","1") = "9"
    & skf18("2","10","1","3","10","5","1") = "9"
    & skf18("2","10","1","3","10","6","1") = "9"
    & skf18("2","10","1","3","10","7","1") = "9"
    & skf18("2","10","1","3","10","8","1") = "9"
    & skf18("2","10","1","3","10","9","1") = "9"
    & skf18("2","10","1","3","10","10","1") = "9"
    & skf18("2","10","1","4","1","1","1") = "9"
    & skf18("2","10","1","4","1","2","1") = "9"
    & skf18("2","10","1","4","1","3","1") = "9"
    & skf18("2","10","1","4","1","4","1") = "9"
    & skf18("2","10","1","4","1","5","1") = "9"
    & skf18("2","10","1","4","1","6","1") = "9"
    & skf18("2","10","1","4","1","7","1") = "9"
    & skf18("2","10","1","4","1","8","1") = "9"
    & skf18("2","10","1","4","1","9","1") = "9"
    & skf18("2","10","1","4","1","10","1") = "9"
    & skf18("2","10","1","4","2","1","1") = "9"
    & skf18("2","10","1","4","2","2","1") = "9"
    & skf18("2","10","1","4","2","3","1") = "9"
    & skf18("2","10","1","4","2","4","1") = "9"
    & skf18("2","10","1","4","2","5","1") = "9"
    & skf18("2","10","1","4","2","6","1") = "9"
    & skf18("2","10","1","4","2","7","1") = "9"
    & skf18("2","10","1","4","2","8","1") = "9"
    & skf18("2","10","1","4","2","9","1") = "9"
    & skf18("2","10","1","4","2","10","1") = "9"
    & skf18("2","10","1","4","3","1","1") = "9"
    & skf18("2","10","1","4","3","2","1") = "9"
    & skf18("2","10","1","4","3","3","1") = "9"
    & skf18("2","10","1","4","3","4","1") = "9"
    & skf18("2","10","1","4","3","5","1") = "9"
    & skf18("2","10","1","4","3","6","1") = "9"
    & skf18("2","10","1","4","3","7","1") = "9"
    & skf18("2","10","1","4","3","8","1") = "9"
    & skf18("2","10","1","4","3","9","1") = "9"
    & skf18("2","10","1","4","3","10","1") = "9"
    & skf18("2","10","1","4","4","1","1") = "9"
    & skf18("2","10","1","4","4","2","1") = "9"
    & skf18("2","10","1","4","4","3","1") = "9"
    & skf18("2","10","1","4","4","4","1") = "9"
    & skf18("2","10","1","4","4","5","1") = "9"
    & skf18("2","10","1","4","4","6","1") = "9"
    & skf18("2","10","1","4","4","7","1") = "9"
    & skf18("2","10","1","4","4","8","1") = "9"
    & skf18("2","10","1","4","4","9","1") = "9"
    & skf18("2","10","1","4","4","10","1") = "9"
    & skf18("2","10","1","4","5","1","1") = "9"
    & skf18("2","10","1","4","5","2","1") = "9"
    & skf18("2","10","1","4","5","3","1") = "9"
    & skf18("2","10","1","4","5","4","1") = "9"
    & skf18("2","10","1","4","5","5","1") = "9"
    & skf18("2","10","1","4","5","6","1") = "9"
    & skf18("2","10","1","4","5","7","1") = "9"
    & skf18("2","10","1","4","5","8","1") = "9"
    & skf18("2","10","1","4","5","9","1") = "9"
    & skf18("2","10","1","4","5","10","1") = "9"
    & skf18("2","10","1","4","6","1","1") = "9"
    & skf18("2","10","1","4","6","2","1") = "9"
    & skf18("2","10","1","4","6","3","1") = "9"
    & skf18("2","10","1","4","6","4","1") = "9"
    & skf18("2","10","1","4","6","5","1") = "9"
    & skf18("2","10","1","4","6","6","1") = "9"
    & skf18("2","10","1","4","6","7","1") = "9"
    & skf18("2","10","1","4","6","8","1") = "9"
    & skf18("2","10","1","4","6","9","1") = "9"
    & skf18("2","10","1","4","6","10","1") = "9"
    & skf18("2","10","1","4","7","1","1") = "9"
    & skf18("2","10","1","4","7","2","1") = "9"
    & skf18("2","10","1","4","7","3","1") = "9"
    & skf18("2","10","1","4","7","4","1") = "9"
    & skf18("2","10","1","4","7","5","1") = "9"
    & skf18("2","10","1","4","7","6","1") = "9"
    & skf18("2","10","1","4","7","7","1") = "9"
    & skf18("2","10","1","4","7","8","1") = "9"
    & skf18("2","10","1","4","7","9","1") = "9"
    & skf18("2","10","1","4","7","10","1") = "9"
    & skf18("2","10","1","4","8","1","1") = "9"
    & skf18("2","10","1","4","8","2","1") = "9"
    & skf18("2","10","1","4","8","3","1") = "9"
    & skf18("2","10","1","4","8","4","1") = "9"
    & skf18("2","10","1","4","8","5","1") = "9"
    & skf18("2","10","1","4","8","6","1") = "9"
    & skf18("2","10","1","4","8","7","1") = "9"
    & skf18("2","10","1","4","8","8","1") = "9"
    & skf18("2","10","1","4","8","9","1") = "9"
    & skf18("2","10","1","4","8","10","1") = "9"
    & skf18("2","10","1","4","9","1","1") = "9"
    & skf18("2","10","1","4","9","2","1") = "9"
    & skf18("2","10","1","4","9","3","1") = "9"
    & skf18("2","10","1","4","9","4","1") = "9"
    & skf18("2","10","1","4","9","5","1") = "9"
    & skf18("2","10","1","4","9","6","1") = "9"
    & skf18("2","10","1","4","9","7","1") = "9"
    & skf18("2","10","1","4","9","8","1") = "9"
    & skf18("2","10","1","4","9","9","1") = "9"
    & skf18("2","10","1","4","9","10","1") = "9"
    & skf18("2","10","1","4","10","1","1") = "9"
    & skf18("2","10","1","4","10","2","1") = "9"
    & skf18("2","10","1","4","10","3","1") = "9"
    & skf18("2","10","1","4","10","4","1") = "9"
    & skf18("2","10","1","4","10","5","1") = "9"
    & skf18("2","10","1","4","10","6","1") = "9"
    & skf18("2","10","1","4","10","7","1") = "9"
    & skf18("2","10","1","4","10","8","1") = "9"
    & skf18("2","10","1","4","10","9","1") = "9"
    & skf18("2","10","1","4","10","10","1") = "9"
    & skf18("2","10","1","5","1","1","1") = "9"
    & skf18("2","10","1","5","1","2","1") = "9"
    & skf18("2","10","1","5","1","3","1") = "9"
    & skf18("2","10","1","5","1","4","1") = "9"
    & skf18("2","10","1","5","1","5","1") = "9"
    & skf18("2","10","1","5","1","6","1") = "9"
    & skf18("2","10","1","5","1","7","1") = "9"
    & skf18("2","10","1","5","1","8","1") = "9"
    & skf18("2","10","1","5","1","9","1") = "9"
    & skf18("2","10","1","5","1","10","1") = "9"
    & skf18("2","10","1","5","2","1","1") = "9"
    & skf18("2","10","1","5","2","2","1") = "9"
    & skf18("2","10","1","5","2","3","1") = "9"
    & skf18("2","10","1","5","2","4","1") = "9"
    & skf18("2","10","1","5","2","5","1") = "9"
    & skf18("2","10","1","5","2","6","1") = "9"
    & skf18("2","10","1","5","2","7","1") = "9"
    & skf18("2","10","1","5","2","8","1") = "9"
    & skf18("2","10","1","5","2","9","1") = "9"
    & skf18("2","10","1","5","2","10","1") = "9"
    & skf18("2","10","1","5","3","1","1") = "9"
    & skf18("2","10","1","5","3","2","1") = "9"
    & skf18("2","10","1","5","3","3","1") = "9"
    & skf18("2","10","1","5","3","4","1") = "9"
    & skf18("2","10","1","5","3","5","1") = "9"
    & skf18("2","10","1","5","3","6","1") = "9"
    & skf18("2","10","1","5","3","7","1") = "9"
    & skf18("2","10","1","5","3","8","1") = "9"
    & skf18("2","10","1","5","3","9","1") = "9"
    & skf18("2","10","1","5","3","10","1") = "9"
    & skf18("2","10","1","5","4","1","1") = "9"
    & skf18("2","10","1","5","4","2","1") = "9"
    & skf18("2","10","1","5","4","3","1") = "9"
    & skf18("2","10","1","5","4","4","1") = "9"
    & skf18("2","10","1","5","4","5","1") = "9"
    & skf18("2","10","1","5","4","6","1") = "9"
    & skf18("2","10","1","5","4","7","1") = "9"
    & skf18("2","10","1","5","4","8","1") = "9"
    & skf18("2","10","1","5","4","9","1") = "9"
    & skf18("2","10","1","5","4","10","1") = "9"
    & skf18("2","10","1","5","5","1","1") = "9"
    & skf18("2","10","1","5","5","2","1") = "9"
    & skf18("2","10","1","5","5","3","1") = "9"
    & skf18("2","10","1","5","5","4","1") = "9"
    & skf18("2","10","1","5","5","5","1") = "9"
    & skf18("2","10","1","5","5","6","1") = "9"
    & skf18("2","10","1","5","5","7","1") = "9"
    & skf18("2","10","1","5","5","8","1") = "9"
    & skf18("2","10","1","5","5","9","1") = "9"
    & skf18("2","10","1","5","5","10","1") = "9"
    & skf18("2","10","1","5","6","1","1") = "9"
    & skf18("2","10","1","5","6","2","1") = "9"
    & skf18("2","10","1","5","6","3","1") = "9"
    & skf18("2","10","1","5","6","4","1") = "9"
    & skf18("2","10","1","5","6","5","1") = "9"
    & skf18("2","10","1","5","6","6","1") = "9"
    & skf18("2","10","1","5","6","7","1") = "9"
    & skf18("2","10","1","5","6","8","1") = "9"
    & skf18("2","10","1","5","6","9","1") = "9"
    & skf18("2","10","1","5","6","10","1") = "9"
    & skf18("2","10","1","5","7","1","1") = "9"
    & skf18("2","10","1","5","7","2","1") = "9"
    & skf18("2","10","1","5","7","3","1") = "9"
    & skf18("2","10","1","5","7","4","1") = "9"
    & skf18("2","10","1","5","7","5","1") = "9"
    & skf18("2","10","1","5","7","6","1") = "9"
    & skf18("2","10","1","5","7","7","1") = "9"
    & skf18("2","10","1","5","7","8","1") = "9"
    & skf18("2","10","1","5","7","9","1") = "9"
    & skf18("2","10","1","5","7","10","1") = "9"
    & skf18("2","10","1","5","8","1","1") = "9"
    & skf18("2","10","1","5","8","2","1") = "9"
    & skf18("2","10","1","5","8","3","1") = "9"
    & skf18("2","10","1","5","8","4","1") = "9"
    & skf18("2","10","1","5","8","5","1") = "9"
    & skf18("2","10","1","5","8","6","1") = "9"
    & skf18("2","10","1","5","8","7","1") = "9"
    & skf18("2","10","1","5","8","8","1") = "9"
    & skf18("2","10","1","5","8","9","1") = "9"
    & skf18("2","10","1","5","8","10","1") = "9"
    & skf18("2","10","1","5","9","1","1") = "9"
    & skf18("2","10","1","5","9","2","1") = "9"
    & skf18("2","10","1","5","9","3","1") = "9"
    & skf18("2","10","1","5","9","4","1") = "9"
    & skf18("2","10","1","5","9","5","1") = "9"
    & skf18("2","10","1","5","9","6","1") = "9"
    & skf18("2","10","1","5","9","7","1") = "9"
    & skf18("2","10","1","5","9","8","1") = "9"
    & skf18("2","10","1","5","9","9","1") = "9"
    & skf18("2","10","1","5","9","10","1") = "9"
    & skf18("2","10","1","5","10","1","1") = "9"
    & skf18("2","10","1","5","10","2","1") = "9"
    & skf18("2","10","1","5","10","3","1") = "9"
    & skf18("2","10","1","5","10","4","1") = "9"
    & skf18("2","10","1","5","10","5","1") = "9"
    & skf18("2","10","1","5","10","6","1") = "9"
    & skf18("2","10","1","5","10","7","1") = "9"
    & skf18("2","10","1","5","10","8","1") = "9"
    & skf18("2","10","1","5","10","9","1") = "9"
    & skf18("2","10","1","5","10","10","1") = "9"
    & skf18("2","10","1","6","1","1","1") = "9"
    & skf18("2","10","1","6","1","2","1") = "9"
    & skf18("2","10","1","6","1","3","1") = "9"
    & skf18("2","10","1","6","1","4","1") = "9"
    & skf18("2","10","1","6","1","5","1") = "9"
    & skf18("2","10","1","6","1","6","1") = "9"
    & skf18("2","10","1","6","1","7","1") = "9"
    & skf18("2","10","1","6","1","8","1") = "9"
    & skf18("2","10","1","6","1","9","1") = "9"
    & skf18("2","10","1","6","1","10","1") = "9"
    & skf18("2","10","1","6","2","1","1") = "9"
    & skf18("2","10","1","6","2","2","1") = "9"
    & skf18("2","10","1","6","2","3","1") = "9"
    & skf18("2","10","1","6","2","4","1") = "9"
    & skf18("2","10","1","6","2","5","1") = "9"
    & skf18("2","10","1","6","2","6","1") = "9"
    & skf18("2","10","1","6","2","7","1") = "9"
    & skf18("2","10","1","6","2","8","1") = "9"
    & skf18("2","10","1","6","2","9","1") = "9"
    & skf18("2","10","1","6","2","10","1") = "9"
    & skf18("2","10","1","6","3","1","1") = "9"
    & skf18("2","10","1","6","3","2","1") = "9"
    & skf18("2","10","1","6","3","3","1") = "9"
    & skf18("2","10","1","6","3","4","1") = "9"
    & skf18("2","10","1","6","3","5","1") = "9"
    & skf18("2","10","1","6","3","6","1") = "9"
    & skf18("2","10","1","6","3","7","1") = "9"
    & skf18("2","10","1","6","3","8","1") = "9"
    & skf18("2","10","1","6","3","9","1") = "9"
    & skf18("2","10","1","6","3","10","1") = "9"
    & skf18("2","10","1","6","4","1","1") = "9"
    & skf18("2","10","1","6","4","2","1") = "9"
    & skf18("2","10","1","6","4","3","1") = "9"
    & skf18("2","10","1","6","4","4","1") = "9"
    & skf18("2","10","1","6","4","5","1") = "9"
    & skf18("2","10","1","6","4","6","1") = "9"
    & skf18("2","10","1","6","4","7","1") = "9"
    & skf18("2","10","1","6","4","8","1") = "9"
    & skf18("2","10","1","6","4","9","1") = "9"
    & skf18("2","10","1","6","4","10","1") = "9"
    & skf18("2","10","1","6","5","1","1") = "9"
    & skf18("2","10","1","6","5","2","1") = "9"
    & skf18("2","10","1","6","5","3","1") = "9"
    & skf18("2","10","1","6","5","4","1") = "9"
    & skf18("2","10","1","6","5","5","1") = "9"
    & skf18("2","10","1","6","5","6","1") = "9"
    & skf18("2","10","1","6","5","7","1") = "9"
    & skf18("2","10","1","6","5","8","1") = "9"
    & skf18("2","10","1","6","5","9","1") = "9"
    & skf18("2","10","1","6","5","10","1") = "9"
    & skf18("2","10","1","6","6","1","1") = "9"
    & skf18("2","10","1","6","6","2","1") = "9"
    & skf18("2","10","1","6","6","3","1") = "9"
    & skf18("2","10","1","6","6","4","1") = "9"
    & skf18("2","10","1","6","6","5","1") = "9"
    & skf18("2","10","1","6","6","6","1") = "9"
    & skf18("2","10","1","6","6","7","1") = "9"
    & skf18("2","10","1","6","6","8","1") = "9"
    & skf18("2","10","1","6","6","9","1") = "9"
    & skf18("2","10","1","6","6","10","1") = "9"
    & skf18("2","10","1","6","7","1","1") = "9"
    & skf18("2","10","1","6","7","2","1") = "9"
    & skf18("2","10","1","6","7","3","1") = "9"
    & skf18("2","10","1","6","7","4","1") = "9"
    & skf18("2","10","1","6","7","5","1") = "9"
    & skf18("2","10","1","6","7","6","1") = "9"
    & skf18("2","10","1","6","7","7","1") = "9"
    & skf18("2","10","1","6","7","8","1") = "9"
    & skf18("2","10","1","6","7","9","1") = "9"
    & skf18("2","10","1","6","7","10","1") = "9"
    & skf18("2","10","1","6","8","1","1") = "9"
    & skf18("2","10","1","6","8","2","1") = "9"
    & skf18("2","10","1","6","8","3","1") = "9"
    & skf18("2","10","1","6","8","4","1") = "9"
    & skf18("2","10","1","6","8","5","1") = "9"
    & skf18("2","10","1","6","8","6","1") = "9"
    & skf18("2","10","1","6","8","7","1") = "9"
    & skf18("2","10","1","6","8","8","1") = "9"
    & skf18("2","10","1","6","8","9","1") = "9"
    & skf18("2","10","1","6","8","10","1") = "9"
    & skf18("2","10","1","6","9","1","1") = "9"
    & skf18("2","10","1","6","9","2","1") = "9"
    & skf18("2","10","1","6","9","3","1") = "9"
    & skf18("2","10","1","6","9","4","1") = "9"
    & skf18("2","10","1","6","9","5","1") = "9"
    & skf18("2","10","1","6","9","6","1") = "9"
    & skf18("2","10","1","6","9","7","1") = "9"
    & skf18("2","10","1","6","9","8","1") = "9"
    & skf18("2","10","1","6","9","9","1") = "9"
    & skf18("2","10","1","6","9","10","1") = "9"
    & skf18("2","10","1","6","10","1","1") = "9"
    & skf18("2","10","1","6","10","2","1") = "9"
    & skf18("2","10","1","6","10","3","1") = "9"
    & skf18("2","10","1","6","10","4","1") = "9"
    & skf18("2","10","1","6","10","5","1") = "9"
    & skf18("2","10","1","6","10","6","1") = "9"
    & skf18("2","10","1","6","10","7","1") = "9"
    & skf18("2","10","1","6","10","8","1") = "9"
    & skf18("2","10","1","6","10","9","1") = "9"
    & skf18("2","10","1","6","10","10","1") = "9"
    & skf18("2","10","1","7","1","1","1") = "9"
    & skf18("2","10","1","7","1","2","1") = "9"
    & skf18("2","10","1","7","1","3","1") = "9"
    & skf18("2","10","1","7","1","4","1") = "9"
    & skf18("2","10","1","7","1","5","1") = "9"
    & skf18("2","10","1","7","1","6","1") = "9"
    & skf18("2","10","1","7","1","7","1") = "9"
    & skf18("2","10","1","7","1","8","1") = "9"
    & skf18("2","10","1","7","1","9","1") = "9"
    & skf18("2","10","1","7","1","10","1") = "9"
    & skf18("2","10","1","7","2","1","1") = "9"
    & skf18("2","10","1","7","2","2","1") = "9"
    & skf18("2","10","1","7","2","3","1") = "9"
    & skf18("2","10","1","7","2","4","1") = "9"
    & skf18("2","10","1","7","2","5","1") = "9"
    & skf18("2","10","1","7","2","6","1") = "9"
    & skf18("2","10","1","7","2","7","1") = "9"
    & skf18("2","10","1","7","2","8","1") = "9"
    & skf18("2","10","1","7","2","9","1") = "9"
    & skf18("2","10","1","7","2","10","1") = "9"
    & skf18("2","10","1","7","3","1","1") = "9"
    & skf18("2","10","1","7","3","2","1") = "9"
    & skf18("2","10","1","7","3","3","1") = "9"
    & skf18("2","10","1","7","3","4","1") = "9"
    & skf18("2","10","1","7","3","5","1") = "9"
    & skf18("2","10","1","7","3","6","1") = "9"
    & skf18("2","10","1","7","3","7","1") = "9"
    & skf18("2","10","1","7","3","8","1") = "9"
    & skf18("2","10","1","7","3","9","1") = "9"
    & skf18("2","10","1","7","3","10","1") = "9"
    & skf18("2","10","1","7","4","1","1") = "9"
    & skf18("2","10","1","7","4","2","1") = "9"
    & skf18("2","10","1","7","4","3","1") = "9"
    & skf18("2","10","1","7","4","4","1") = "9"
    & skf18("2","10","1","7","4","5","1") = "9"
    & skf18("2","10","1","7","4","6","1") = "9"
    & skf18("2","10","1","7","4","7","1") = "9"
    & skf18("2","10","1","7","4","8","1") = "9"
    & skf18("2","10","1","7","4","9","1") = "9"
    & skf18("2","10","1","7","4","10","1") = "9"
    & skf18("2","10","1","7","5","1","1") = "9"
    & skf18("2","10","1","7","5","2","1") = "9"
    & skf18("2","10","1","7","5","3","1") = "9"
    & skf18("2","10","1","7","5","4","1") = "9"
    & skf18("2","10","1","7","5","5","1") = "9"
    & skf18("2","10","1","7","5","6","1") = "9"
    & skf18("2","10","1","7","5","7","1") = "9"
    & skf18("2","10","1","7","5","8","1") = "9"
    & skf18("2","10","1","7","5","9","1") = "9"
    & skf18("2","10","1","7","5","10","1") = "9"
    & skf18("2","10","1","7","6","1","1") = "9"
    & skf18("2","10","1","7","6","2","1") = "9"
    & skf18("2","10","1","7","6","3","1") = "9"
    & skf18("2","10","1","7","6","4","1") = "9"
    & skf18("2","10","1","7","6","5","1") = "9"
    & skf18("2","10","1","7","6","6","1") = "9"
    & skf18("2","10","1","7","6","7","1") = "9"
    & skf18("2","10","1","7","6","8","1") = "9"
    & skf18("2","10","1","7","6","9","1") = "9"
    & skf18("2","10","1","7","6","10","1") = "9"
    & skf18("2","10","1","7","7","1","1") = "9"
    & skf18("2","10","1","7","7","2","1") = "9"
    & skf18("2","10","1","7","7","3","1") = "9"
    & skf18("2","10","1","7","7","4","1") = "9"
    & skf18("2","10","1","7","7","5","1") = "9"
    & skf18("2","10","1","7","7","6","1") = "9"
    & skf18("2","10","1","7","7","7","1") = "9"
    & skf18("2","10","1","7","7","8","1") = "9"
    & skf18("2","10","1","7","7","9","1") = "9"
    & skf18("2","10","1","7","7","10","1") = "9"
    & skf18("2","10","1","7","8","1","1") = "9"
    & skf18("2","10","1","7","8","2","1") = "9"
    & skf18("2","10","1","7","8","3","1") = "9"
    & skf18("2","10","1","7","8","4","1") = "9"
    & skf18("2","10","1","7","8","5","1") = "9"
    & skf18("2","10","1","7","8","6","1") = "9"
    & skf18("2","10","1","7","8","7","1") = "9"
    & skf18("2","10","1","7","8","8","1") = "9"
    & skf18("2","10","1","7","8","9","1") = "9"
    & skf18("2","10","1","7","8","10","1") = "9"
    & skf18("2","10","1","7","9","1","1") = "9"
    & skf18("2","10","1","7","9","2","1") = "9"
    & skf18("2","10","1","7","9","3","1") = "9"
    & skf18("2","10","1","7","9","4","1") = "9"
    & skf18("2","10","1","7","9","5","1") = "9"
    & skf18("2","10","1","7","9","6","1") = "9"
    & skf18("2","10","1","7","9","7","1") = "9"
    & skf18("2","10","1","7","9","8","1") = "9"
    & skf18("2","10","1","7","9","9","1") = "9"
    & skf18("2","10","1","7","9","10","1") = "9"
    & skf18("2","10","1","7","10","1","1") = "9"
    & skf18("2","10","1","7","10","2","1") = "9"
    & skf18("2","10","1","7","10","3","1") = "9"
    & skf18("2","10","1","7","10","4","1") = "9"
    & skf18("2","10","1","7","10","5","1") = "9"
    & skf18("2","10","1","7","10","6","1") = "9"
    & skf18("2","10","1","7","10","7","1") = "9"
    & skf18("2","10","1","7","10","8","1") = "9"
    & skf18("2","10","1","7","10","9","1") = "9"
    & skf18("2","10","1","7","10","10","1") = "9"
    & skf18("2","10","1","8","1","1","1") = "9"
    & skf18("2","10","1","8","1","2","1") = "9"
    & skf18("2","10","1","8","1","3","1") = "9"
    & skf18("2","10","1","8","1","4","1") = "9"
    & skf18("2","10","1","8","1","5","1") = "9"
    & skf18("2","10","1","8","1","6","1") = "9"
    & skf18("2","10","1","8","1","7","1") = "9"
    & skf18("2","10","1","8","1","8","1") = "9"
    & skf18("2","10","1","8","1","9","1") = "9"
    & skf18("2","10","1","8","1","10","1") = "9"
    & skf18("2","10","1","8","2","1","1") = "9"
    & skf18("2","10","1","8","2","2","1") = "9"
    & skf18("2","10","1","8","2","3","1") = "9"
    & skf18("2","10","1","8","2","4","1") = "9"
    & skf18("2","10","1","8","2","5","1") = "9"
    & skf18("2","10","1","8","2","6","1") = "9"
    & skf18("2","10","1","8","2","7","1") = "9"
    & skf18("2","10","1","8","2","8","1") = "9"
    & skf18("2","10","1","8","2","9","1") = "9"
    & skf18("2","10","1","8","2","10","1") = "9"
    & skf18("2","10","1","8","3","1","1") = "9"
    & skf18("2","10","1","8","3","2","1") = "9"
    & skf18("2","10","1","8","3","3","1") = "9"
    & skf18("2","10","1","8","3","4","1") = "9"
    & skf18("2","10","1","8","3","5","1") = "9"
    & skf18("2","10","1","8","3","6","1") = "9"
    & skf18("2","10","1","8","3","7","1") = "9"
    & skf18("2","10","1","8","3","8","1") = "9"
    & skf18("2","10","1","8","3","9","1") = "9"
    & skf18("2","10","1","8","3","10","1") = "9"
    & skf18("2","10","1","8","4","1","1") = "9"
    & skf18("2","10","1","8","4","2","1") = "9"
    & skf18("2","10","1","8","4","3","1") = "9"
    & skf18("2","10","1","8","4","4","1") = "9"
    & skf18("2","10","1","8","4","5","1") = "9"
    & skf18("2","10","1","8","4","6","1") = "9"
    & skf18("2","10","1","8","4","7","1") = "9"
    & skf18("2","10","1","8","4","8","1") = "9"
    & skf18("2","10","1","8","4","9","1") = "9"
    & skf18("2","10","1","8","4","10","1") = "9"
    & skf18("2","10","1","8","5","1","1") = "9"
    & skf18("2","10","1","8","5","2","1") = "9"
    & skf18("2","10","1","8","5","3","1") = "9"
    & skf18("2","10","1","8","5","4","1") = "9"
    & skf18("2","10","1","8","5","5","1") = "9"
    & skf18("2","10","1","8","5","6","1") = "9"
    & skf18("2","10","1","8","5","7","1") = "9"
    & skf18("2","10","1","8","5","8","1") = "9"
    & skf18("2","10","1","8","5","9","1") = "9"
    & skf18("2","10","1","8","5","10","1") = "9"
    & skf18("2","10","1","8","6","1","1") = "9"
    & skf18("2","10","1","8","6","2","1") = "9"
    & skf18("2","10","1","8","6","3","1") = "9"
    & skf18("2","10","1","8","6","4","1") = "9"
    & skf18("2","10","1","8","6","5","1") = "9"
    & skf18("2","10","1","8","6","6","1") = "9"
    & skf18("2","10","1","8","6","7","1") = "9"
    & skf18("2","10","1","8","6","8","1") = "9"
    & skf18("2","10","1","8","6","9","1") = "9"
    & skf18("2","10","1","8","6","10","1") = "9"
    & skf18("2","10","1","8","7","1","1") = "9"
    & skf18("2","10","1","8","7","2","1") = "9"
    & skf18("2","10","1","8","7","3","1") = "9"
    & skf18("2","10","1","8","7","4","1") = "9"
    & skf18("2","10","1","8","7","5","1") = "9"
    & skf18("2","10","1","8","7","6","1") = "9"
    & skf18("2","10","1","8","7","7","1") = "9"
    & skf18("2","10","1","8","7","8","1") = "9"
    & skf18("2","10","1","8","7","9","1") = "9"
    & skf18("2","10","1","8","7","10","1") = "9"
    & skf18("2","10","1","8","8","1","1") = "9"
    & skf18("2","10","1","8","8","2","1") = "9"
    & skf18("2","10","1","8","8","3","1") = "9"
    & skf18("2","10","1","8","8","4","1") = "9"
    & skf18("2","10","1","8","8","5","1") = "9"
    & skf18("2","10","1","8","8","6","1") = "9"
    & skf18("2","10","1","8","8","7","1") = "9"
    & skf18("2","10","1","8","8","8","1") = "9"
    & skf18("2","10","1","8","8","9","1") = "9"
    & skf18("2","10","1","8","8","10","1") = "9"
    & skf18("2","10","1","8","9","1","1") = "9"
    & skf18("2","10","1","8","9","2","1") = "9"
    & skf18("2","10","1","8","9","3","1") = "9"
    & skf18("2","10","1","8","9","4","1") = "9"
    & skf18("2","10","1","8","9","5","1") = "9"
    & skf18("2","10","1","8","9","6","1") = "9"
    & skf18("2","10","1","8","9","7","1") = "9"
    & skf18("2","10","1","8","9","8","1") = "9"
    & skf18("2","10","1","8","9","9","1") = "9"
    & skf18("2","10","1","8","9","10","1") = "9"
    & skf18("2","10","1","8","10","1","1") = "9"
    & skf18("2","10","1","8","10","2","1") = "9"
    & skf18("2","10","1","8","10","3","1") = "9"
    & skf18("2","10","1","8","10","4","1") = "9"
    & skf18("2","10","1","8","10","5","1") = "9"
    & skf18("2","10","1","8","10","6","1") = "9"
    & skf18("2","10","1","8","10","7","1") = "9"
    & skf18("2","10","1","8","10","8","1") = "9"
    & skf18("2","10","1","8","10","9","1") = "9"
    & skf18("2","10","1","8","10","10","1") = "9"
    & skf18("2","10","1","9","1","1","1") = "9"
    & skf18("2","10","1","9","1","2","1") = "9"
    & skf18("2","10","1","9","1","3","1") = "9"
    & skf18("2","10","1","9","1","4","1") = "9"
    & skf18("2","10","1","9","1","5","1") = "9"
    & skf18("2","10","1","9","1","6","1") = "9"
    & skf18("2","10","1","9","1","7","1") = "9"
    & skf18("2","10","1","9","1","8","1") = "9"
    & skf18("2","10","1","9","1","9","1") = "9"
    & skf18("2","10","1","9","1","10","1") = "9"
    & skf18("2","10","1","9","2","1","1") = "9"
    & skf18("2","10","1","9","2","2","1") = "9"
    & skf18("2","10","1","9","2","3","1") = "9"
    & skf18("2","10","1","9","2","4","1") = "9"
    & skf18("2","10","1","9","2","5","1") = "9"
    & skf18("2","10","1","9","2","6","1") = "9"
    & skf18("2","10","1","9","2","7","1") = "9"
    & skf18("2","10","1","9","2","8","1") = "9"
    & skf18("2","10","1","9","2","9","1") = "9"
    & skf18("2","10","1","9","2","10","1") = "9"
    & skf18("2","10","1","9","3","1","1") = "9"
    & skf18("2","10","1","9","3","2","1") = "9"
    & skf18("2","10","1","9","3","3","1") = "9"
    & skf18("2","10","1","9","3","4","1") = "9"
    & skf18("2","10","1","9","3","5","1") = "9"
    & skf18("2","10","1","9","3","6","1") = "9"
    & skf18("2","10","1","9","3","7","1") = "9"
    & skf18("2","10","1","9","3","8","1") = "9"
    & skf18("2","10","1","9","3","9","1") = "9"
    & skf18("2","10","1","9","3","10","1") = "9"
    & skf18("2","10","1","9","4","1","1") = "9"
    & skf18("2","10","1","9","4","2","1") = "9"
    & skf18("2","10","1","9","4","3","1") = "9"
    & skf18("2","10","1","9","4","4","1") = "9"
    & skf18("2","10","1","9","4","5","1") = "9"
    & skf18("2","10","1","9","4","6","1") = "9"
    & skf18("2","10","1","9","4","7","1") = "9"
    & skf18("2","10","1","9","4","8","1") = "9"
    & skf18("2","10","1","9","4","9","1") = "9"
    & skf18("2","10","1","9","4","10","1") = "9"
    & skf18("2","10","1","9","5","1","1") = "9"
    & skf18("2","10","1","9","5","2","1") = "9"
    & skf18("2","10","1","9","5","3","1") = "9"
    & skf18("2","10","1","9","5","4","1") = "9"
    & skf18("2","10","1","9","5","5","1") = "9"
    & skf18("2","10","1","9","5","6","1") = "9"
    & skf18("2","10","1","9","5","7","1") = "9"
    & skf18("2","10","1","9","5","8","1") = "9"
    & skf18("2","10","1","9","5","9","1") = "9"
    & skf18("2","10","1","9","5","10","1") = "9"
    & skf18("2","10","1","9","6","1","1") = "9"
    & skf18("2","10","1","9","6","2","1") = "9"
    & skf18("2","10","1","9","6","3","1") = "9"
    & skf18("2","10","1","9","6","4","1") = "9"
    & skf18("2","10","1","9","6","5","1") = "9"
    & skf18("2","10","1","9","6","6","1") = "9"
    & skf18("2","10","1","9","6","7","1") = "9"
    & skf18("2","10","1","9","6","8","1") = "9"
    & skf18("2","10","1","9","6","9","1") = "9"
    & skf18("2","10","1","9","6","10","1") = "9"
    & skf18("2","10","1","9","7","1","1") = "9"
    & skf18("2","10","1","9","7","2","1") = "9"
    & skf18("2","10","1","9","7","3","1") = "9"
    & skf18("2","10","1","9","7","4","1") = "9"
    & skf18("2","10","1","9","7","5","1") = "9"
    & skf18("2","10","1","9","7","6","1") = "9"
    & skf18("2","10","1","9","7","7","1") = "9"
    & skf18("2","10","1","9","7","8","1") = "9"
    & skf18("2","10","1","9","7","9","1") = "9"
    & skf18("2","10","1","9","7","10","1") = "9"
    & skf18("2","10","1","9","8","1","1") = "9"
    & skf18("2","10","1","9","8","2","1") = "9"
    & skf18("2","10","1","9","8","3","1") = "9"
    & skf18("2","10","1","9","8","4","1") = "9"
    & skf18("2","10","1","9","8","5","1") = "9"
    & skf18("2","10","1","9","8","6","1") = "9"
    & skf18("2","10","1","9","8","7","1") = "9"
    & skf18("2","10","1","9","8","8","1") = "9"
    & skf18("2","10","1","9","8","9","1") = "9"
    & skf18("2","10","1","9","8","10","1") = "9"
    & skf18("2","10","1","9","9","1","1") = "9"
    & skf18("2","10","1","9","9","2","1") = "9"
    & skf18("2","10","1","9","9","3","1") = "9"
    & skf18("2","10","1","9","9","4","1") = "9"
    & skf18("2","10","1","9","9","5","1") = "9"
    & skf18("2","10","1","9","9","6","1") = "9"
    & skf18("2","10","1","9","9","7","1") = "9"
    & skf18("2","10","1","9","9","8","1") = "9"
    & skf18("2","10","1","9","9","9","1") = "9"
    & skf18("2","10","1","9","9","10","1") = "9"
    & skf18("2","10","1","9","10","1","1") = "9"
    & skf18("2","10","1","9","10","2","1") = "9"
    & skf18("2","10","1","9","10","3","1") = "9"
    & skf18("2","10","1","9","10","4","1") = "9"
    & skf18("2","10","1","9","10","5","1") = "9"
    & skf18("2","10","1","9","10","6","1") = "9"
    & skf18("2","10","1","9","10","7","1") = "9"
    & skf18("2","10","1","9","10","8","1") = "9"
    & skf18("2","10","1","9","10","9","1") = "9"
    & skf18("2","10","1","9","10","10","1") = "9"
    & skf18("2","10","1","10","1","1","1") = "9"
    & skf18("2","10","1","10","1","2","1") = "9"
    & skf18("2","10","1","10","1","3","1") = "9"
    & skf18("2","10","1","10","1","4","1") = "9"
    & skf18("2","10","1","10","1","5","1") = "9"
    & skf18("2","10","1","10","1","6","1") = "9"
    & skf18("2","10","1","10","1","7","1") = "9"
    & skf18("2","10","1","10","1","8","1") = "9"
    & skf18("2","10","1","10","1","9","1") = "9"
    & skf18("2","10","1","10","1","10","1") = "9"
    & skf18("2","10","1","10","2","1","1") = "9"
    & skf18("2","10","1","10","2","2","1") = "9"
    & skf18("2","10","1","10","2","3","1") = "9"
    & skf18("2","10","1","10","2","4","1") = "9"
    & skf18("2","10","1","10","2","5","1") = "9"
    & skf18("2","10","1","10","2","6","1") = "9"
    & skf18("2","10","1","10","2","7","1") = "9"
    & skf18("2","10","1","10","2","8","1") = "9"
    & skf18("2","10","1","10","2","9","1") = "9"
    & skf18("2","10","1","10","2","10","1") = "9"
    & skf18("2","10","1","10","3","1","1") = "9"
    & skf18("2","10","1","10","3","2","1") = "9"
    & skf18("2","10","1","10","3","3","1") = "9"
    & skf18("2","10","1","10","3","4","1") = "9"
    & skf18("2","10","1","10","3","5","1") = "9"
    & skf18("2","10","1","10","3","6","1") = "9"
    & skf18("2","10","1","10","3","7","1") = "9"
    & skf18("2","10","1","10","3","8","1") = "9"
    & skf18("2","10","1","10","3","9","1") = "9"
    & skf18("2","10","1","10","3","10","1") = "9"
    & skf18("2","10","1","10","4","1","1") = "9"
    & skf18("2","10","1","10","4","2","1") = "9"
    & skf18("2","10","1","10","4","3","1") = "9"
    & skf18("2","10","1","10","4","4","1") = "9"
    & skf18("2","10","1","10","4","5","1") = "9"
    & skf18("2","10","1","10","4","6","1") = "9"
    & skf18("2","10","1","10","4","7","1") = "9"
    & skf18("2","10","1","10","4","8","1") = "9"
    & skf18("2","10","1","10","4","9","1") = "9"
    & skf18("2","10","1","10","4","10","1") = "9"
    & skf18("2","10","1","10","5","1","1") = "9"
    & skf18("2","10","1","10","5","2","1") = "9"
    & skf18("2","10","1","10","5","3","1") = "9"
    & skf18("2","10","1","10","5","4","1") = "9"
    & skf18("2","10","1","10","5","5","1") = "9"
    & skf18("2","10","1","10","5","6","1") = "9"
    & skf18("2","10","1","10","5","7","1") = "9"
    & skf18("2","10","1","10","5","8","1") = "9"
    & skf18("2","10","1","10","5","9","1") = "9"
    & skf18("2","10","1","10","5","10","1") = "9"
    & skf18("2","10","1","10","6","1","1") = "9"
    & skf18("2","10","1","10","6","2","1") = "9"
    & skf18("2","10","1","10","6","3","1") = "9"
    & skf18("2","10","1","10","6","4","1") = "9"
    & skf18("2","10","1","10","6","5","1") = "9"
    & skf18("2","10","1","10","6","6","1") = "9"
    & skf18("2","10","1","10","6","7","1") = "9"
    & skf18("2","10","1","10","6","8","1") = "9"
    & skf18("2","10","1","10","6","9","1") = "9"
    & skf18("2","10","1","10","6","10","1") = "9"
    & skf18("2","10","1","10","7","1","1") = "9"
    & skf18("2","10","1","10","7","2","1") = "9"
    & skf18("2","10","1","10","7","3","1") = "9"
    & skf18("2","10","1","10","7","4","1") = "9"
    & skf18("2","10","1","10","7","5","1") = "9"
    & skf18("2","10","1","10","7","6","1") = "9"
    & skf18("2","10","1","10","7","7","1") = "9"
    & skf18("2","10","1","10","7","8","1") = "9"
    & skf18("2","10","1","10","7","9","1") = "9"
    & skf18("2","10","1","10","7","10","1") = "9"
    & skf18("2","10","1","10","8","1","1") = "9"
    & skf18("2","10","1","10","8","2","1") = "9"
    & skf18("2","10","1","10","8","3","1") = "9"
    & skf18("2","10","1","10","8","4","1") = "9"
    & skf18("2","10","1","10","8","5","1") = "9"
    & skf18("2","10","1","10","8","6","1") = "9"
    & skf18("2","10","1","10","8","7","1") = "9"
    & skf18("2","10","1","10","8","8","1") = "9"
    & skf18("2","10","1","10","8","9","1") = "9"
    & skf18("2","10","1","10","8","10","1") = "9"
    & skf18("2","10","1","10","9","1","1") = "9"
    & skf18("2","10","1","10","9","2","1") = "9"
    & skf18("2","10","1","10","9","3","1") = "9"
    & skf18("2","10","1","10","9","4","1") = "9"
    & skf18("2","10","1","10","9","5","1") = "9"
    & skf18("2","10","1","10","9","6","1") = "9"
    & skf18("2","10","1","10","9","7","1") = "9"
    & skf18("2","10","1","10","9","8","1") = "9"
    & skf18("2","10","1","10","9","9","1") = "9"
    & skf18("2","10","1","10","9","10","1") = "9"
    & skf18("2","10","1","10","10","1","1") = "9"
    & skf18("2","10","1","10","10","2","1") = "9"
    & skf18("2","10","1","10","10","3","1") = "9"
    & skf18("2","10","1","10","10","4","1") = "9"
    & skf18("2","10","1","10","10","5","1") = "9"
    & skf18("2","10","1","10","10","6","1") = "9"
    & skf18("2","10","1","10","10","7","1") = "9"
    & skf18("2","10","1","10","10","8","1") = "9"
    & skf18("2","10","1","10","10","9","1") = "9"
    & skf18("2","10","1","10","10","10","1") = "9"
    & skf18("2","10","2","1","1","1","1") = "9"
    & skf18("2","10","2","1","1","2","1") = "9"
    & skf18("2","10","2","1","1","3","1") = "9"
    & skf18("2","10","2","1","1","4","1") = "9"
    & skf18("2","10","2","1","1","5","1") = "9"
    & skf18("2","10","2","1","1","6","1") = "9"
    & skf18("2","10","2","1","1","7","1") = "9"
    & skf18("2","10","2","1","1","8","1") = "9"
    & skf18("2","10","2","1","1","9","1") = "9"
    & skf18("2","10","2","1","1","10","1") = "9"
    & skf18("2","10","2","1","2","1","1") = "9"
    & skf18("2","10","2","1","2","2","1") = "9"
    & skf18("2","10","2","1","2","3","1") = "9"
    & skf18("2","10","2","1","2","4","1") = "9"
    & skf18("2","10","2","1","2","5","1") = "9"
    & skf18("2","10","2","1","2","6","1") = "9"
    & skf18("2","10","2","1","2","7","1") = "9"
    & skf18("2","10","2","1","2","8","1") = "9"
    & skf18("2","10","2","1","2","9","1") = "9"
    & skf18("2","10","2","1","2","10","1") = "9"
    & skf18("2","10","2","1","3","1","1") = "9"
    & skf18("2","10","2","1","3","2","1") = "9"
    & skf18("2","10","2","1","3","3","1") = "9"
    & skf18("2","10","2","1","3","4","1") = "9"
    & skf18("2","10","2","1","3","5","1") = "9"
    & skf18("2","10","2","1","3","6","1") = "9"
    & skf18("2","10","2","1","3","7","1") = "9"
    & skf18("2","10","2","1","3","8","1") = "9"
    & skf18("2","10","2","1","3","9","1") = "9"
    & skf18("2","10","2","1","3","10","1") = "9"
    & skf18("2","10","2","1","4","1","1") = "9"
    & skf18("2","10","2","1","4","2","1") = "9"
    & skf18("2","10","2","1","4","3","1") = "9"
    & skf18("2","10","2","1","4","4","1") = "9"
    & skf18("2","10","2","1","4","5","1") = "9"
    & skf18("2","10","2","1","4","6","1") = "9"
    & skf18("2","10","2","1","4","7","1") = "9"
    & skf18("2","10","2","1","4","8","1") = "9"
    & skf18("2","10","2","1","4","9","1") = "9"
    & skf18("2","10","2","1","4","10","1") = "9"
    & skf18("2","10","2","1","5","1","1") = "9"
    & skf18("2","10","2","1","5","2","1") = "9"
    & skf18("2","10","2","1","5","3","1") = "9"
    & skf18("2","10","2","1","5","4","1") = "9"
    & skf18("2","10","2","1","5","5","1") = "9"
    & skf18("2","10","2","1","5","6","1") = "9"
    & skf18("2","10","2","1","5","7","1") = "9"
    & skf18("2","10","2","1","5","8","1") = "9"
    & skf18("2","10","2","1","5","9","1") = "9"
    & skf18("2","10","2","1","5","10","1") = "9"
    & skf18("2","10","2","1","6","1","1") = "9"
    & skf18("2","10","2","1","6","2","1") = "9"
    & skf18("2","10","2","1","6","3","1") = "9"
    & skf18("2","10","2","1","6","4","1") = "9"
    & skf18("2","10","2","1","6","5","1") = "9"
    & skf18("2","10","2","1","6","6","1") = "9"
    & skf18("2","10","2","1","6","7","1") = "9"
    & skf18("2","10","2","1","6","8","1") = "9"
    & skf18("2","10","2","1","6","9","1") = "9"
    & skf18("2","10","2","1","6","10","1") = "9"
    & skf18("2","10","2","1","7","1","1") = "9"
    & skf18("2","10","2","1","7","2","1") = "9"
    & skf18("2","10","2","1","7","3","1") = "9"
    & skf18("2","10","2","1","7","4","1") = "9"
    & skf18("2","10","2","1","7","5","1") = "9"
    & skf18("2","10","2","1","7","6","1") = "9"
    & skf18("2","10","2","1","7","7","1") = "9"
    & skf18("2","10","2","1","7","8","1") = "9"
    & skf18("2","10","2","1","7","9","1") = "9"
    & skf18("2","10","2","1","7","10","1") = "9"
    & skf18("2","10","2","1","8","1","1") = "9"
    & skf18("2","10","2","1","8","2","1") = "9"
    & skf18("2","10","2","1","8","3","1") = "9"
    & skf18("2","10","2","1","8","4","1") = "9"
    & skf18("2","10","2","1","8","5","1") = "9"
    & skf18("2","10","2","1","8","6","1") = "9"
    & skf18("2","10","2","1","8","7","1") = "9"
    & skf18("2","10","2","1","8","8","1") = "9"
    & skf18("2","10","2","1","8","9","1") = "9"
    & skf18("2","10","2","1","8","10","1") = "9"
    & skf18("2","10","2","1","9","1","1") = "9"
    & skf18("2","10","2","1","9","2","1") = "9"
    & skf18("2","10","2","1","9","3","1") = "9"
    & skf18("2","10","2","1","9","4","1") = "9"
    & skf18("2","10","2","1","9","5","1") = "9"
    & skf18("2","10","2","1","9","6","1") = "9"
    & skf18("2","10","2","1","9","7","1") = "9"
    & skf18("2","10","2","1","9","8","1") = "9"
    & skf18("2","10","2","1","9","9","1") = "9"
    & skf18("2","10","2","1","9","10","1") = "9"
    & skf18("2","10","2","1","10","1","1") = "9"
    & skf18("2","10","2","1","10","2","1") = "9"
    & skf18("2","10","2","1","10","3","1") = "9"
    & skf18("2","10","2","1","10","4","1") = "9"
    & skf18("2","10","2","1","10","5","1") = "9"
    & skf18("2","10","2","1","10","6","1") = "9"
    & skf18("2","10","2","1","10","7","1") = "9"
    & skf18("2","10","2","1","10","8","1") = "9"
    & skf18("2","10","2","1","10","9","1") = "9"
    & skf18("2","10","2","1","10","10","1") = "9"
    & skf18("2","10","2","2","1","1","1") = "9"
    & skf18("2","10","2","2","1","2","1") = "9"
    & skf18("2","10","2","2","1","3","1") = "9"
    & skf18("2","10","2","2","1","4","1") = "9"
    & skf18("2","10","2","2","1","5","1") = "9"
    & skf18("2","10","2","2","1","6","1") = "9"
    & skf18("2","10","2","2","1","7","1") = "9"
    & skf18("2","10","2","2","1","8","1") = "9"
    & skf18("2","10","2","2","1","9","1") = "9"
    & skf18("2","10","2","2","1","10","1") = "9"
    & skf18("2","10","2","2","2","1","1") = "9"
    & skf18("2","10","2","2","2","2","1") = "9"
    & skf18("2","10","2","2","2","3","1") = "9"
    & skf18("2","10","2","2","2","4","1") = "9"
    & skf18("2","10","2","2","2","5","1") = "9"
    & skf18("2","10","2","2","2","6","1") = "9"
    & skf18("2","10","2","2","2","7","1") = "9"
    & skf18("2","10","2","2","2","8","1") = "9"
    & skf18("2","10","2","2","2","9","1") = "9"
    & skf18("2","10","2","2","2","10","1") = "9"
    & skf18("2","10","2","2","3","1","1") = "9"
    & skf18("2","10","2","2","3","2","1") = "9"
    & skf18("2","10","2","2","3","3","1") = "9"
    & skf18("2","10","2","2","3","4","1") = "9"
    & skf18("2","10","2","2","3","5","1") = "9"
    & skf18("2","10","2","2","3","6","1") = "9"
    & skf18("2","10","2","2","3","7","1") = "9"
    & skf18("2","10","2","2","3","8","1") = "9"
    & skf18("2","10","2","2","3","9","1") = "9"
    & skf18("2","10","2","2","3","10","1") = "9"
    & skf18("2","10","2","2","4","1","1") = "9"
    & skf18("2","10","2","2","4","2","1") = "9"
    & skf18("2","10","2","2","4","3","1") = "9"
    & skf18("2","10","2","2","4","4","1") = "9"
    & skf18("2","10","2","2","4","5","1") = "9"
    & skf18("2","10","2","2","4","6","1") = "9"
    & skf18("2","10","2","2","4","7","1") = "9"
    & skf18("2","10","2","2","4","8","1") = "9"
    & skf18("2","10","2","2","4","9","1") = "9"
    & skf18("2","10","2","2","4","10","1") = "9"
    & skf18("2","10","2","2","5","1","1") = "9"
    & skf18("2","10","2","2","5","2","1") = "9"
    & skf18("2","10","2","2","5","3","1") = "9"
    & skf18("2","10","2","2","5","4","1") = "9"
    & skf18("2","10","2","2","5","5","1") = "9"
    & skf18("2","10","2","2","5","6","1") = "9"
    & skf18("2","10","2","2","5","7","1") = "9"
    & skf18("2","10","2","2","5","8","1") = "9"
    & skf18("2","10","2","2","5","9","1") = "9"
    & skf18("2","10","2","2","5","10","1") = "9"
    & skf18("2","10","2","2","6","1","1") = "9"
    & skf18("2","10","2","2","6","2","1") = "9"
    & skf18("2","10","2","2","6","3","1") = "9"
    & skf18("2","10","2","2","6","4","1") = "9"
    & skf18("2","10","2","2","6","5","1") = "9"
    & skf18("2","10","2","2","6","6","1") = "9"
    & skf18("2","10","2","2","6","7","1") = "9"
    & skf18("2","10","2","2","6","8","1") = "9"
    & skf18("2","10","2","2","6","9","1") = "9"
    & skf18("2","10","2","2","6","10","1") = "9"
    & skf18("2","10","2","2","7","1","1") = "9"
    & skf18("2","10","2","2","7","2","1") = "9"
    & skf18("2","10","2","2","7","3","1") = "9"
    & skf18("2","10","2","2","7","4","1") = "9"
    & skf18("2","10","2","2","7","5","1") = "9"
    & skf18("2","10","2","2","7","6","1") = "9"
    & skf18("2","10","2","2","7","7","1") = "9"
    & skf18("2","10","2","2","7","8","1") = "9"
    & skf18("2","10","2","2","7","9","1") = "9"
    & skf18("2","10","2","2","7","10","1") = "9"
    & skf18("2","10","2","2","8","1","1") = "9"
    & skf18("2","10","2","2","8","2","1") = "9"
    & skf18("2","10","2","2","8","3","1") = "9"
    & skf18("2","10","2","2","8","4","1") = "9"
    & skf18("2","10","2","2","8","5","1") = "9"
    & skf18("2","10","2","2","8","6","1") = "9"
    & skf18("2","10","2","2","8","7","1") = "9"
    & skf18("2","10","2","2","8","8","1") = "9"
    & skf18("2","10","2","2","8","9","1") = "9"
    & skf18("2","10","2","2","8","10","1") = "9"
    & skf18("2","10","2","2","9","1","1") = "9"
    & skf18("2","10","2","2","9","2","1") = "9"
    & skf18("2","10","2","2","9","3","1") = "9"
    & skf18("2","10","2","2","9","4","1") = "9"
    & skf18("2","10","2","2","9","5","1") = "9"
    & skf18("2","10","2","2","9","6","1") = "9"
    & skf18("2","10","2","2","9","7","1") = "9"
    & skf18("2","10","2","2","9","8","1") = "9"
    & skf18("2","10","2","2","9","9","1") = "9"
    & skf18("2","10","2","2","9","10","1") = "9"
    & skf18("2","10","2","2","10","1","1") = "9"
    & skf18("2","10","2","2","10","2","1") = "9"
    & skf18("2","10","2","2","10","3","1") = "9"
    & skf18("2","10","2","2","10","4","1") = "9"
    & skf18("2","10","2","2","10","5","1") = "9"
    & skf18("2","10","2","2","10","6","1") = "9"
    & skf18("2","10","2","2","10","7","1") = "9"
    & skf18("2","10","2","2","10","8","1") = "9"
    & skf18("2","10","2","2","10","9","1") = "9"
    & skf18("2","10","2","2","10","10","1") = "9"
    & skf18("2","10","2","3","1","1","1") = "9"
    & skf18("2","10","2","3","1","2","1") = "9"
    & skf18("2","10","2","3","1","3","1") = "9"
    & skf18("2","10","2","3","1","4","1") = "9"
    & skf18("2","10","2","3","1","5","1") = "9"
    & skf18("2","10","2","3","1","6","1") = "9"
    & skf18("2","10","2","3","1","7","1") = "9"
    & skf18("2","10","2","3","1","8","1") = "9"
    & skf18("2","10","2","3","1","9","1") = "9"
    & skf18("2","10","2","3","1","10","1") = "9"
    & skf18("2","10","2","3","2","1","1") = "9"
    & skf18("2","10","2","3","2","2","1") = "9"
    & skf18("2","10","2","3","2","3","1") = "9"
    & skf18("2","10","2","3","2","4","1") = "9"
    & skf18("2","10","2","3","2","5","1") = "9"
    & skf18("2","10","2","3","2","6","1") = "9"
    & skf18("2","10","2","3","2","7","1") = "9"
    & skf18("2","10","2","3","2","8","1") = "9"
    & skf18("2","10","2","3","2","9","1") = "9"
    & skf18("2","10","2","3","2","10","1") = "9"
    & skf18("2","10","2","3","3","1","1") = "9"
    & skf18("2","10","2","3","3","2","1") = "9"
    & skf18("2","10","2","3","3","3","1") = "9"
    & skf18("2","10","2","3","3","4","1") = "9"
    & skf18("2","10","2","3","3","5","1") = "9"
    & skf18("2","10","2","3","3","6","1") = "9"
    & skf18("2","10","2","3","3","7","1") = "9"
    & skf18("2","10","2","3","3","8","1") = "9"
    & skf18("2","10","2","3","3","9","1") = "9"
    & skf18("2","10","2","3","3","10","1") = "9"
    & skf18("2","10","2","3","4","1","1") = "9"
    & skf18("2","10","2","3","4","2","1") = "9"
    & skf18("2","10","2","3","4","3","1") = "9"
    & skf18("2","10","2","3","4","4","1") = "9"
    & skf18("2","10","2","3","4","5","1") = "9"
    & skf18("2","10","2","3","4","6","1") = "9"
    & skf18("2","10","2","3","4","7","1") = "9"
    & skf18("2","10","2","3","4","8","1") = "9"
    & skf18("2","10","2","3","4","9","1") = "9"
    & skf18("2","10","2","3","4","10","1") = "9"
    & skf18("2","10","2","3","5","1","1") = "9"
    & skf18("2","10","2","3","5","2","1") = "9"
    & skf18("2","10","2","3","5","3","1") = "9"
    & skf18("2","10","2","3","5","4","1") = "9"
    & skf18("2","10","2","3","5","5","1") = "9"
    & skf18("2","10","2","3","5","6","1") = "9"
    & skf18("2","10","2","3","5","7","1") = "9"
    & skf18("2","10","2","3","5","8","1") = "9"
    & skf18("2","10","2","3","5","9","1") = "9"
    & skf18("2","10","2","3","5","10","1") = "9"
    & skf18("2","10","2","3","6","1","1") = "9"
    & skf18("2","10","2","3","6","2","1") = "9"
    & skf18("2","10","2","3","6","3","1") = "9"
    & skf18("2","10","2","3","6","4","1") = "9"
    & skf18("2","10","2","3","6","5","1") = "9"
    & skf18("2","10","2","3","6","6","1") = "9"
    & skf18("2","10","2","3","6","7","1") = "9"
    & skf18("2","10","2","3","6","8","1") = "9"
    & skf18("2","10","2","3","6","9","1") = "9"
    & skf18("2","10","2","3","6","10","1") = "9"
    & skf18("2","10","2","3","7","1","1") = "9"
    & skf18("2","10","2","3","7","2","1") = "9"
    & skf18("2","10","2","3","7","3","1") = "9"
    & skf18("2","10","2","3","7","4","1") = "9"
    & skf18("2","10","2","3","7","5","1") = "9"
    & skf18("2","10","2","3","7","6","1") = "9"
    & skf18("2","10","2","3","7","7","1") = "9"
    & skf18("2","10","2","3","7","8","1") = "9"
    & skf18("2","10","2","3","7","9","1") = "9"
    & skf18("2","10","2","3","7","10","1") = "9"
    & skf18("2","10","2","3","8","1","1") = "9"
    & skf18("2","10","2","3","8","2","1") = "9"
    & skf18("2","10","2","3","8","3","1") = "9"
    & skf18("2","10","2","3","8","4","1") = "9"
    & skf18("2","10","2","3","8","5","1") = "9"
    & skf18("2","10","2","3","8","6","1") = "9"
    & skf18("2","10","2","3","8","7","1") = "9"
    & skf18("2","10","2","3","8","8","1") = "9"
    & skf18("2","10","2","3","8","9","1") = "9"
    & skf18("2","10","2","3","8","10","1") = "9"
    & skf18("2","10","2","3","9","1","1") = "9"
    & skf18("2","10","2","3","9","2","1") = "9"
    & skf18("2","10","2","3","9","3","1") = "9"
    & skf18("2","10","2","3","9","4","1") = "9"
    & skf18("2","10","2","3","9","5","1") = "9"
    & skf18("2","10","2","3","9","6","1") = "9"
    & skf18("2","10","2","3","9","7","1") = "9"
    & skf18("2","10","2","3","9","8","1") = "9"
    & skf18("2","10","2","3","9","9","1") = "9"
    & skf18("2","10","2","3","9","10","1") = "9"
    & skf18("2","10","2","3","10","1","1") = "9"
    & skf18("2","10","2","3","10","2","1") = "9"
    & skf18("2","10","2","3","10","3","1") = "9"
    & skf18("2","10","2","3","10","4","1") = "9"
    & skf18("2","10","2","3","10","5","1") = "9"
    & skf18("2","10","2","3","10","6","1") = "9"
    & skf18("2","10","2","3","10","7","1") = "9"
    & skf18("2","10","2","3","10","8","1") = "9"
    & skf18("2","10","2","3","10","9","1") = "9"
    & skf18("2","10","2","3","10","10","1") = "9"
    & skf18("2","10","2","4","1","1","1") = "9"
    & skf18("2","10","2","4","1","2","1") = "9"
    & skf18("2","10","2","4","1","3","1") = "9"
    & skf18("2","10","2","4","1","4","1") = "9"
    & skf18("2","10","2","4","1","5","1") = "9"
    & skf18("2","10","2","4","1","6","1") = "9"
    & skf18("2","10","2","4","1","7","1") = "9"
    & skf18("2","10","2","4","1","8","1") = "9"
    & skf18("2","10","2","4","1","9","1") = "9"
    & skf18("2","10","2","4","1","10","1") = "9"
    & skf18("2","10","2","4","2","1","1") = "9"
    & skf18("2","10","2","4","2","2","1") = "9"
    & skf18("2","10","2","4","2","3","1") = "9"
    & skf18("2","10","2","4","2","4","1") = "9"
    & skf18("2","10","2","4","2","5","1") = "9"
    & skf18("2","10","2","4","2","6","1") = "9"
    & skf18("2","10","2","4","2","7","1") = "9"
    & skf18("2","10","2","4","2","8","1") = "9"
    & skf18("2","10","2","4","2","9","1") = "9"
    & skf18("2","10","2","4","2","10","1") = "9"
    & skf18("2","10","2","4","3","1","1") = "9"
    & skf18("2","10","2","4","3","2","1") = "9"
    & skf18("2","10","2","4","3","3","1") = "9"
    & skf18("2","10","2","4","3","4","1") = "9"
    & skf18("2","10","2","4","3","5","1") = "9"
    & skf18("2","10","2","4","3","6","1") = "9"
    & skf18("2","10","2","4","3","7","1") = "9"
    & skf18("2","10","2","4","3","8","1") = "9"
    & skf18("2","10","2","4","3","9","1") = "9"
    & skf18("2","10","2","4","3","10","1") = "9"
    & skf18("2","10","2","4","4","1","1") = "9"
    & skf18("2","10","2","4","4","2","1") = "9"
    & skf18("2","10","2","4","4","3","1") = "9"
    & skf18("2","10","2","4","4","4","1") = "9"
    & skf18("2","10","2","4","4","5","1") = "9"
    & skf18("2","10","2","4","4","6","1") = "9"
    & skf18("2","10","2","4","4","7","1") = "9"
    & skf18("2","10","2","4","4","8","1") = "9"
    & skf18("2","10","2","4","4","9","1") = "9"
    & skf18("2","10","2","4","4","10","1") = "9"
    & skf18("2","10","2","4","5","1","1") = "9"
    & skf18("2","10","2","4","5","2","1") = "9"
    & skf18("2","10","2","4","5","3","1") = "9"
    & skf18("2","10","2","4","5","4","1") = "9"
    & skf18("2","10","2","4","5","5","1") = "9"
    & skf18("2","10","2","4","5","6","1") = "9"
    & skf18("2","10","2","4","5","7","1") = "9"
    & skf18("2","10","2","4","5","8","1") = "9"
    & skf18("2","10","2","4","5","9","1") = "9"
    & skf18("2","10","2","4","5","10","1") = "9"
    & skf18("2","10","2","4","6","1","1") = "9"
    & skf18("2","10","2","4","6","2","1") = "9"
    & skf18("2","10","2","4","6","3","1") = "9"
    & skf18("2","10","2","4","6","4","1") = "9"
    & skf18("2","10","2","4","6","5","1") = "9"
    & skf18("2","10","2","4","6","6","1") = "9"
    & skf18("2","10","2","4","6","7","1") = "9"
    & skf18("2","10","2","4","6","8","1") = "9"
    & skf18("2","10","2","4","6","9","1") = "9"
    & skf18("2","10","2","4","6","10","1") = "9"
    & skf18("2","10","2","4","7","1","1") = "9"
    & skf18("2","10","2","4","7","2","1") = "9"
    & skf18("2","10","2","4","7","3","1") = "9"
    & skf18("2","10","2","4","7","4","1") = "9"
    & skf18("2","10","2","4","7","5","1") = "9"
    & skf18("2","10","2","4","7","6","1") = "9"
    & skf18("2","10","2","4","7","7","1") = "9"
    & skf18("2","10","2","4","7","8","1") = "9"
    & skf18("2","10","2","4","7","9","1") = "9"
    & skf18("2","10","2","4","7","10","1") = "9"
    & skf18("2","10","2","4","8","1","1") = "9"
    & skf18("2","10","2","4","8","2","1") = "9"
    & skf18("2","10","2","4","8","3","1") = "9"
    & skf18("2","10","2","4","8","4","1") = "9"
    & skf18("2","10","2","4","8","5","1") = "9"
    & skf18("2","10","2","4","8","6","1") = "9"
    & skf18("2","10","2","4","8","7","1") = "9"
    & skf18("2","10","2","4","8","8","1") = "9"
    & skf18("2","10","2","4","8","9","1") = "9"
    & skf18("2","10","2","4","8","10","1") = "9"
    & skf18("2","10","2","4","9","1","1") = "9"
    & skf18("2","10","2","4","9","2","1") = "9"
    & skf18("2","10","2","4","9","3","1") = "9"
    & skf18("2","10","2","4","9","4","1") = "9"
    & skf18("2","10","2","4","9","5","1") = "9"
    & skf18("2","10","2","4","9","6","1") = "9"
    & skf18("2","10","2","4","9","7","1") = "9"
    & skf18("2","10","2","4","9","8","1") = "9"
    & skf18("2","10","2","4","9","9","1") = "9"
    & skf18("2","10","2","4","9","10","1") = "9"
    & skf18("2","10","2","4","10","1","1") = "9"
    & skf18("2","10","2","4","10","2","1") = "9"
    & skf18("2","10","2","4","10","3","1") = "9"
    & skf18("2","10","2","4","10","4","1") = "9"
    & skf18("2","10","2","4","10","5","1") = "9"
    & skf18("2","10","2","4","10","6","1") = "9"
    & skf18("2","10","2","4","10","7","1") = "9"
    & skf18("2","10","2","4","10","8","1") = "9"
    & skf18("2","10","2","4","10","9","1") = "9"
    & skf18("2","10","2","4","10","10","1") = "9"
    & skf18("2","10","2","5","1","1","1") = "9"
    & skf18("2","10","2","5","1","2","1") = "9"
    & skf18("2","10","2","5","1","3","1") = "9"
    & skf18("2","10","2","5","1","4","1") = "9"
    & skf18("2","10","2","5","1","5","1") = "9"
    & skf18("2","10","2","5","1","6","1") = "9"
    & skf18("2","10","2","5","1","7","1") = "9"
    & skf18("2","10","2","5","1","8","1") = "9"
    & skf18("2","10","2","5","1","9","1") = "9"
    & skf18("2","10","2","5","1","10","1") = "9"
    & skf18("2","10","2","5","2","1","1") = "9"
    & skf18("2","10","2","5","2","2","1") = "9"
    & skf18("2","10","2","5","2","3","1") = "9"
    & skf18("2","10","2","5","2","4","1") = "9"
    & skf18("2","10","2","5","2","5","1") = "9"
    & skf18("2","10","2","5","2","6","1") = "9"
    & skf18("2","10","2","5","2","7","1") = "9"
    & skf18("2","10","2","5","2","8","1") = "9"
    & skf18("2","10","2","5","2","9","1") = "9"
    & skf18("2","10","2","5","2","10","1") = "9"
    & skf18("2","10","2","5","3","1","1") = "9"
    & skf18("2","10","2","5","3","2","1") = "9"
    & skf18("2","10","2","5","3","3","1") = "9"
    & skf18("2","10","2","5","3","4","1") = "9"
    & skf18("2","10","2","5","3","5","1") = "9"
    & skf18("2","10","2","5","3","6","1") = "9"
    & skf18("2","10","2","5","3","7","1") = "9"
    & skf18("2","10","2","5","3","8","1") = "9"
    & skf18("2","10","2","5","3","9","1") = "9"
    & skf18("2","10","2","5","3","10","1") = "9"
    & skf18("2","10","2","5","4","1","1") = "9"
    & skf18("2","10","2","5","4","2","1") = "9"
    & skf18("2","10","2","5","4","3","1") = "9"
    & skf18("2","10","2","5","4","4","1") = "9"
    & skf18("2","10","2","5","4","5","1") = "9"
    & skf18("2","10","2","5","4","6","1") = "9"
    & skf18("2","10","2","5","4","7","1") = "9"
    & skf18("2","10","2","5","4","8","1") = "9"
    & skf18("2","10","2","5","4","9","1") = "9"
    & skf18("2","10","2","5","4","10","1") = "9"
    & skf18("2","10","2","5","5","1","1") = "9"
    & skf18("2","10","2","5","5","2","1") = "9"
    & skf18("2","10","2","5","5","3","1") = "9"
    & skf18("2","10","2","5","5","4","1") = "9"
    & skf18("2","10","2","5","5","5","1") = "9"
    & skf18("2","10","2","5","5","6","1") = "9"
    & skf18("2","10","2","5","5","7","1") = "9"
    & skf18("2","10","2","5","5","8","1") = "9"
    & skf18("2","10","2","5","5","9","1") = "9"
    & skf18("2","10","2","5","5","10","1") = "9"
    & skf18("2","10","2","5","6","1","1") = "9"
    & skf18("2","10","2","5","6","2","1") = "9"
    & skf18("2","10","2","5","6","3","1") = "9"
    & skf18("2","10","2","5","6","4","1") = "9"
    & skf18("2","10","2","5","6","5","1") = "9"
    & skf18("2","10","2","5","6","6","1") = "9"
    & skf18("2","10","2","5","6","7","1") = "9"
    & skf18("2","10","2","5","6","8","1") = "9"
    & skf18("2","10","2","5","6","9","1") = "9"
    & skf18("2","10","2","5","6","10","1") = "9"
    & skf18("2","10","2","5","7","1","1") = "9"
    & skf18("2","10","2","5","7","2","1") = "9"
    & skf18("2","10","2","5","7","3","1") = "9"
    & skf18("2","10","2","5","7","4","1") = "9"
    & skf18("2","10","2","5","7","5","1") = "9"
    & skf18("2","10","2","5","7","6","1") = "9"
    & skf18("2","10","2","5","7","7","1") = "9"
    & skf18("2","10","2","5","7","8","1") = "9"
    & skf18("2","10","2","5","7","9","1") = "9"
    & skf18("2","10","2","5","7","10","1") = "9"
    & skf18("2","10","2","5","8","1","1") = "9"
    & skf18("2","10","2","5","8","2","1") = "9"
    & skf18("2","10","2","5","8","3","1") = "9"
    & skf18("2","10","2","5","8","4","1") = "9"
    & skf18("2","10","2","5","8","5","1") = "9"
    & skf18("2","10","2","5","8","6","1") = "9"
    & skf18("2","10","2","5","8","7","1") = "9"
    & skf18("2","10","2","5","8","8","1") = "9"
    & skf18("2","10","2","5","8","9","1") = "9"
    & skf18("2","10","2","5","8","10","1") = "9"
    & skf18("2","10","2","5","9","1","1") = "9"
    & skf18("2","10","2","5","9","2","1") = "9"
    & skf18("2","10","2","5","9","3","1") = "9"
    & skf18("2","10","2","5","9","4","1") = "9"
    & skf18("2","10","2","5","9","5","1") = "9"
    & skf18("2","10","2","5","9","6","1") = "9"
    & skf18("2","10","2","5","9","7","1") = "9"
    & skf18("2","10","2","5","9","8","1") = "9"
    & skf18("2","10","2","5","9","9","1") = "9"
    & skf18("2","10","2","5","9","10","1") = "9"
    & skf18("2","10","2","5","10","1","1") = "9"
    & skf18("2","10","2","5","10","2","1") = "9"
    & skf18("2","10","2","5","10","3","1") = "9"
    & skf18("2","10","2","5","10","4","1") = "9"
    & skf18("2","10","2","5","10","5","1") = "9"
    & skf18("2","10","2","5","10","6","1") = "9"
    & skf18("2","10","2","5","10","7","1") = "9"
    & skf18("2","10","2","5","10","8","1") = "9"
    & skf18("2","10","2","5","10","9","1") = "9"
    & skf18("2","10","2","5","10","10","1") = "9"
    & skf18("2","10","2","6","1","1","1") = "9"
    & skf18("2","10","2","6","1","2","1") = "9"
    & skf18("2","10","2","6","1","3","1") = "9"
    & skf18("2","10","2","6","1","4","1") = "9"
    & skf18("2","10","2","6","1","5","1") = "9"
    & skf18("2","10","2","6","1","6","1") = "9"
    & skf18("2","10","2","6","1","7","1") = "9"
    & skf18("2","10","2","6","1","8","1") = "9"
    & skf18("2","10","2","6","1","9","1") = "9"
    & skf18("2","10","2","6","1","10","1") = "9"
    & skf18("2","10","2","6","2","1","1") = "9"
    & skf18("2","10","2","6","2","2","1") = "9"
    & skf18("2","10","2","6","2","3","1") = "9"
    & skf18("2","10","2","6","2","4","1") = "9"
    & skf18("2","10","2","6","2","5","1") = "9"
    & skf18("2","10","2","6","2","6","1") = "9"
    & skf18("2","10","2","6","2","7","1") = "9"
    & skf18("2","10","2","6","2","8","1") = "9"
    & skf18("2","10","2","6","2","9","1") = "9"
    & skf18("2","10","2","6","2","10","1") = "9"
    & skf18("2","10","2","6","3","1","1") = "9"
    & skf18("2","10","2","6","3","2","1") = "9"
    & skf18("2","10","2","6","3","3","1") = "9"
    & skf18("2","10","2","6","3","4","1") = "9"
    & skf18("2","10","2","6","3","5","1") = "9"
    & skf18("2","10","2","6","3","6","1") = "9"
    & skf18("2","10","2","6","3","7","1") = "9"
    & skf18("2","10","2","6","3","8","1") = "9"
    & skf18("2","10","2","6","3","9","1") = "9"
    & skf18("2","10","2","6","3","10","1") = "9"
    & skf18("2","10","2","6","4","1","1") = "9"
    & skf18("2","10","2","6","4","2","1") = "9"
    & skf18("2","10","2","6","4","3","1") = "9"
    & skf18("2","10","2","6","4","4","1") = "9"
    & skf18("2","10","2","6","4","5","1") = "9"
    & skf18("2","10","2","6","4","6","1") = "9"
    & skf18("2","10","2","6","4","7","1") = "9"
    & skf18("2","10","2","6","4","8","1") = "9"
    & skf18("2","10","2","6","4","9","1") = "9"
    & skf18("2","10","2","6","4","10","1") = "9"
    & skf18("2","10","2","6","5","1","1") = "9"
    & skf18("2","10","2","6","5","2","1") = "9"
    & skf18("2","10","2","6","5","3","1") = "9"
    & skf18("2","10","2","6","5","4","1") = "9"
    & skf18("2","10","2","6","5","5","1") = "9"
    & skf18("2","10","2","6","5","6","1") = "9"
    & skf18("2","10","2","6","5","7","1") = "9"
    & skf18("2","10","2","6","5","8","1") = "9"
    & skf18("2","10","2","6","5","9","1") = "9"
    & skf18("2","10","2","6","5","10","1") = "9"
    & skf18("2","10","2","6","6","1","1") = "9"
    & skf18("2","10","2","6","6","2","1") = "9"
    & skf18("2","10","2","6","6","3","1") = "9"
    & skf18("2","10","2","6","6","4","1") = "9"
    & skf18("2","10","2","6","6","5","1") = "9"
    & skf18("2","10","2","6","6","6","1") = "9"
    & skf18("2","10","2","6","6","7","1") = "9"
    & skf18("2","10","2","6","6","8","1") = "9"
    & skf18("2","10","2","6","6","9","1") = "9"
    & skf18("2","10","2","6","6","10","1") = "9"
    & skf18("2","10","2","6","7","1","1") = "9"
    & skf18("2","10","2","6","7","2","1") = "9"
    & skf18("2","10","2","6","7","3","1") = "9"
    & skf18("2","10","2","6","7","4","1") = "9"
    & skf18("2","10","2","6","7","5","1") = "9"
    & skf18("2","10","2","6","7","6","1") = "9"
    & skf18("2","10","2","6","7","7","1") = "9"
    & skf18("2","10","2","6","7","8","1") = "9"
    & skf18("2","10","2","6","7","9","1") = "9"
    & skf18("2","10","2","6","7","10","1") = "9"
    & skf18("2","10","2","6","8","1","1") = "9"
    & skf18("2","10","2","6","8","2","1") = "9"
    & skf18("2","10","2","6","8","3","1") = "9"
    & skf18("2","10","2","6","8","4","1") = "9"
    & skf18("2","10","2","6","8","5","1") = "9"
    & skf18("2","10","2","6","8","6","1") = "9"
    & skf18("2","10","2","6","8","7","1") = "9"
    & skf18("2","10","2","6","8","8","1") = "9"
    & skf18("2","10","2","6","8","9","1") = "9"
    & skf18("2","10","2","6","8","10","1") = "9"
    & skf18("2","10","2","6","9","1","1") = "9"
    & skf18("2","10","2","6","9","2","1") = "9"
    & skf18("2","10","2","6","9","3","1") = "9"
    & skf18("2","10","2","6","9","4","1") = "9"
    & skf18("2","10","2","6","9","5","1") = "9"
    & skf18("2","10","2","6","9","6","1") = "9"
    & skf18("2","10","2","6","9","7","1") = "9"
    & skf18("2","10","2","6","9","8","1") = "9"
    & skf18("2","10","2","6","9","9","1") = "9"
    & skf18("2","10","2","6","9","10","1") = "9"
    & skf18("2","10","2","6","10","1","1") = "9"
    & skf18("2","10","2","6","10","2","1") = "9"
    & skf18("2","10","2","6","10","3","1") = "9"
    & skf18("2","10","2","6","10","4","1") = "9"
    & skf18("2","10","2","6","10","5","1") = "9"
    & skf18("2","10","2","6","10","6","1") = "9"
    & skf18("2","10","2","6","10","7","1") = "9"
    & skf18("2","10","2","6","10","8","1") = "9"
    & skf18("2","10","2","6","10","9","1") = "9"
    & skf18("2","10","2","6","10","10","1") = "9"
    & skf18("2","10","2","7","1","1","1") = "9"
    & skf18("2","10","2","7","1","2","1") = "9"
    & skf18("2","10","2","7","1","3","1") = "9"
    & skf18("2","10","2","7","1","4","1") = "9"
    & skf18("2","10","2","7","1","5","1") = "9"
    & skf18("2","10","2","7","1","6","1") = "9"
    & skf18("2","10","2","7","1","7","1") = "9"
    & skf18("2","10","2","7","1","8","1") = "9"
    & skf18("2","10","2","7","1","9","1") = "9"
    & skf18("2","10","2","7","1","10","1") = "9"
    & skf18("2","10","2","7","2","1","1") = "9"
    & skf18("2","10","2","7","2","2","1") = "9"
    & skf18("2","10","2","7","2","3","1") = "9"
    & skf18("2","10","2","7","2","4","1") = "9"
    & skf18("2","10","2","7","2","5","1") = "9"
    & skf18("2","10","2","7","2","6","1") = "9"
    & skf18("2","10","2","7","2","7","1") = "9"
    & skf18("2","10","2","7","2","8","1") = "9"
    & skf18("2","10","2","7","2","9","1") = "9"
    & skf18("2","10","2","7","2","10","1") = "9"
    & skf18("2","10","2","7","3","1","1") = "9"
    & skf18("2","10","2","7","3","2","1") = "9"
    & skf18("2","10","2","7","3","3","1") = "9"
    & skf18("2","10","2","7","3","4","1") = "9"
    & skf18("2","10","2","7","3","5","1") = "9"
    & skf18("2","10","2","7","3","6","1") = "9"
    & skf18("2","10","2","7","3","7","1") = "9"
    & skf18("2","10","2","7","3","8","1") = "9"
    & skf18("2","10","2","7","3","9","1") = "9"
    & skf18("2","10","2","7","3","10","1") = "9"
    & skf18("2","10","2","7","4","1","1") = "9"
    & skf18("2","10","2","7","4","2","1") = "9"
    & skf18("2","10","2","7","4","3","1") = "9"
    & skf18("2","10","2","7","4","4","1") = "9"
    & skf18("2","10","2","7","4","5","1") = "9"
    & skf18("2","10","2","7","4","6","1") = "9"
    & skf18("2","10","2","7","4","7","1") = "9"
    & skf18("2","10","2","7","4","8","1") = "9"
    & skf18("2","10","2","7","4","9","1") = "9"
    & skf18("2","10","2","7","4","10","1") = "9"
    & skf18("2","10","2","7","5","1","1") = "9"
    & skf18("2","10","2","7","5","2","1") = "9"
    & skf18("2","10","2","7","5","3","1") = "9"
    & skf18("2","10","2","7","5","4","1") = "9"
    & skf18("2","10","2","7","5","5","1") = "9"
    & skf18("2","10","2","7","5","6","1") = "9"
    & skf18("2","10","2","7","5","7","1") = "9"
    & skf18("2","10","2","7","5","8","1") = "9"
    & skf18("2","10","2","7","5","9","1") = "9"
    & skf18("2","10","2","7","5","10","1") = "9"
    & skf18("2","10","2","7","6","1","1") = "9"
    & skf18("2","10","2","7","6","2","1") = "9"
    & skf18("2","10","2","7","6","3","1") = "9"
    & skf18("2","10","2","7","6","4","1") = "9"
    & skf18("2","10","2","7","6","5","1") = "9"
    & skf18("2","10","2","7","6","6","1") = "9"
    & skf18("2","10","2","7","6","7","1") = "9"
    & skf18("2","10","2","7","6","8","1") = "9"
    & skf18("2","10","2","7","6","9","1") = "9"
    & skf18("2","10","2","7","6","10","1") = "9"
    & skf18("2","10","2","7","7","1","1") = "9"
    & skf18("2","10","2","7","7","2","1") = "9"
    & skf18("2","10","2","7","7","3","1") = "9"
    & skf18("2","10","2","7","7","4","1") = "9"
    & skf18("2","10","2","7","7","5","1") = "9"
    & skf18("2","10","2","7","7","6","1") = "9"
    & skf18("2","10","2","7","7","7","1") = "9"
    & skf18("2","10","2","7","7","8","1") = "9"
    & skf18("2","10","2","7","7","9","1") = "9"
    & skf18("2","10","2","7","7","10","1") = "9"
    & skf18("2","10","2","7","8","1","1") = "9"
    & skf18("2","10","2","7","8","2","1") = "9"
    & skf18("2","10","2","7","8","3","1") = "9"
    & skf18("2","10","2","7","8","4","1") = "9"
    & skf18("2","10","2","7","8","5","1") = "9"
    & skf18("2","10","2","7","8","6","1") = "9"
    & skf18("2","10","2","7","8","7","1") = "9"
    & skf18("2","10","2","7","8","8","1") = "9"
    & skf18("2","10","2","7","8","9","1") = "9"
    & skf18("2","10","2","7","8","10","1") = "9"
    & skf18("2","10","2","7","9","1","1") = "9"
    & skf18("2","10","2","7","9","2","1") = "9"
    & skf18("2","10","2","7","9","3","1") = "9"
    & skf18("2","10","2","7","9","4","1") = "9"
    & skf18("2","10","2","7","9","5","1") = "9"
    & skf18("2","10","2","7","9","6","1") = "9"
    & skf18("2","10","2","7","9","7","1") = "9"
    & skf18("2","10","2","7","9","8","1") = "9"
    & skf18("2","10","2","7","9","9","1") = "9"
    & skf18("2","10","2","7","9","10","1") = "9"
    & skf18("2","10","2","7","10","1","1") = "9"
    & skf18("2","10","2","7","10","2","1") = "9"
    & skf18("2","10","2","7","10","3","1") = "9"
    & skf18("2","10","2","7","10","4","1") = "9"
    & skf18("2","10","2","7","10","5","1") = "9"
    & skf18("2","10","2","7","10","6","1") = "9"
    & skf18("2","10","2","7","10","7","1") = "9"
    & skf18("2","10","2","7","10","8","1") = "9"
    & skf18("2","10","2","7","10","9","1") = "9"
    & skf18("2","10","2","7","10","10","1") = "9"
    & skf18("2","10","2","8","1","1","1") = "9"
    & skf18("2","10","2","8","1","2","1") = "9"
    & skf18("2","10","2","8","1","3","1") = "9"
    & skf18("2","10","2","8","1","4","1") = "9"
    & skf18("2","10","2","8","1","5","1") = "9"
    & skf18("2","10","2","8","1","6","1") = "9"
    & skf18("2","10","2","8","1","7","1") = "9"
    & skf18("2","10","2","8","1","8","1") = "9"
    & skf18("2","10","2","8","1","9","1") = "9"
    & skf18("2","10","2","8","1","10","1") = "9"
    & skf18("2","10","2","8","2","1","1") = "9"
    & skf18("2","10","2","8","2","2","1") = "9"
    & skf18("2","10","2","8","2","3","1") = "9"
    & skf18("2","10","2","8","2","4","1") = "9"
    & skf18("2","10","2","8","2","5","1") = "9"
    & skf18("2","10","2","8","2","6","1") = "9"
    & skf18("2","10","2","8","2","7","1") = "9"
    & skf18("2","10","2","8","2","8","1") = "9"
    & skf18("2","10","2","8","2","9","1") = "9"
    & skf18("2","10","2","8","2","10","1") = "9"
    & skf18("2","10","2","8","3","1","1") = "9"
    & skf18("2","10","2","8","3","2","1") = "9"
    & skf18("2","10","2","8","3","3","1") = "9"
    & skf18("2","10","2","8","3","4","1") = "9"
    & skf18("2","10","2","8","3","5","1") = "9"
    & skf18("2","10","2","8","3","6","1") = "9"
    & skf18("2","10","2","8","3","7","1") = "9"
    & skf18("2","10","2","8","3","8","1") = "9"
    & skf18("2","10","2","8","3","9","1") = "9"
    & skf18("2","10","2","8","3","10","1") = "9"
    & skf18("2","10","2","8","4","1","1") = "9"
    & skf18("2","10","2","8","4","2","1") = "9"
    & skf18("2","10","2","8","4","3","1") = "9"
    & skf18("2","10","2","8","4","4","1") = "9"
    & skf18("2","10","2","8","4","5","1") = "9"
    & skf18("2","10","2","8","4","6","1") = "9"
    & skf18("2","10","2","8","4","7","1") = "9"
    & skf18("2","10","2","8","4","8","1") = "9"
    & skf18("2","10","2","8","4","9","1") = "9"
    & skf18("2","10","2","8","4","10","1") = "9"
    & skf18("2","10","2","8","5","1","1") = "9"
    & skf18("2","10","2","8","5","2","1") = "9"
    & skf18("2","10","2","8","5","3","1") = "9"
    & skf18("2","10","2","8","5","4","1") = "9"
    & skf18("2","10","2","8","5","5","1") = "9"
    & skf18("2","10","2","8","5","6","1") = "9"
    & skf18("2","10","2","8","5","7","1") = "9"
    & skf18("2","10","2","8","5","8","1") = "9"
    & skf18("2","10","2","8","5","9","1") = "9"
    & skf18("2","10","2","8","5","10","1") = "9"
    & skf18("2","10","2","8","6","1","1") = "9"
    & skf18("2","10","2","8","6","2","1") = "9"
    & skf18("2","10","2","8","6","3","1") = "9"
    & skf18("2","10","2","8","6","4","1") = "9"
    & skf18("2","10","2","8","6","5","1") = "9"
    & skf18("2","10","2","8","6","6","1") = "9"
    & skf18("2","10","2","8","6","7","1") = "9"
    & skf18("2","10","2","8","6","8","1") = "9"
    & skf18("2","10","2","8","6","9","1") = "9"
    & skf18("2","10","2","8","6","10","1") = "9"
    & skf18("2","10","2","8","7","1","1") = "9"
    & skf18("2","10","2","8","7","2","1") = "9"
    & skf18("2","10","2","8","7","3","1") = "9"
    & skf18("2","10","2","8","7","4","1") = "9"
    & skf18("2","10","2","8","7","5","1") = "9"
    & skf18("2","10","2","8","7","6","1") = "9"
    & skf18("2","10","2","8","7","7","1") = "9"
    & skf18("2","10","2","8","7","8","1") = "9"
    & skf18("2","10","2","8","7","9","1") = "9"
    & skf18("2","10","2","8","7","10","1") = "9"
    & skf18("2","10","2","8","8","1","1") = "9"
    & skf18("2","10","2","8","8","2","1") = "9"
    & skf18("2","10","2","8","8","3","1") = "9"
    & skf18("2","10","2","8","8","4","1") = "9"
    & skf18("2","10","2","8","8","5","1") = "9"
    & skf18("2","10","2","8","8","6","1") = "9"
    & skf18("2","10","2","8","8","7","1") = "9"
    & skf18("2","10","2","8","8","8","1") = "9"
    & skf18("2","10","2","8","8","9","1") = "9"
    & skf18("2","10","2","8","8","10","1") = "9"
    & skf18("2","10","2","8","9","1","1") = "9"
    & skf18("2","10","2","8","9","2","1") = "9"
    & skf18("2","10","2","8","9","3","1") = "9"
    & skf18("2","10","2","8","9","4","1") = "9"
    & skf18("2","10","2","8","9","5","1") = "9"
    & skf18("2","10","2","8","9","6","1") = "9"
    & skf18("2","10","2","8","9","7","1") = "9"
    & skf18("2","10","2","8","9","8","1") = "9"
    & skf18("2","10","2","8","9","9","1") = "9"
    & skf18("2","10","2","8","9","10","1") = "9"
    & skf18("2","10","2","8","10","1","1") = "9"
    & skf18("2","10","2","8","10","2","1") = "9"
    & skf18("2","10","2","8","10","3","1") = "9"
    & skf18("2","10","2","8","10","4","1") = "9"
    & skf18("2","10","2","8","10","5","1") = "9"
    & skf18("2","10","2","8","10","6","1") = "9"
    & skf18("2","10","2","8","10","7","1") = "9"
    & skf18("2","10","2","8","10","8","1") = "9"
    & skf18("2","10","2","8","10","9","1") = "9"
    & skf18("2","10","2","8","10","10","1") = "9"
    & skf18("2","10","2","9","1","1","1") = "9"
    & skf18("2","10","2","9","1","2","1") = "9"
    & skf18("2","10","2","9","1","3","1") = "9"
    & skf18("2","10","2","9","1","4","1") = "9"
    & skf18("2","10","2","9","1","5","1") = "9"
    & skf18("2","10","2","9","1","6","1") = "9"
    & skf18("2","10","2","9","1","7","1") = "9"
    & skf18("2","10","2","9","1","8","1") = "9"
    & skf18("2","10","2","9","1","9","1") = "9"
    & skf18("2","10","2","9","1","10","1") = "9"
    & skf18("2","10","2","9","2","1","1") = "9"
    & skf18("2","10","2","9","2","2","1") = "9"
    & skf18("2","10","2","9","2","3","1") = "9"
    & skf18("2","10","2","9","2","4","1") = "9"
    & skf18("2","10","2","9","2","5","1") = "9"
    & skf18("2","10","2","9","2","6","1") = "9"
    & skf18("2","10","2","9","2","7","1") = "9"
    & skf18("2","10","2","9","2","8","1") = "9"
    & skf18("2","10","2","9","2","9","1") = "9"
    & skf18("2","10","2","9","2","10","1") = "9"
    & skf18("2","10","2","9","3","1","1") = "9"
    & skf18("2","10","2","9","3","2","1") = "9"
    & skf18("2","10","2","9","3","3","1") = "9"
    & skf18("2","10","2","9","3","4","1") = "9"
    & skf18("2","10","2","9","3","5","1") = "9"
    & skf18("2","10","2","9","3","6","1") = "9"
    & skf18("2","10","2","9","3","7","1") = "9"
    & skf18("2","10","2","9","3","8","1") = "9"
    & skf18("2","10","2","9","3","9","1") = "9"
    & skf18("2","10","2","9","3","10","1") = "9"
    & skf18("2","10","2","9","4","1","1") = "9"
    & skf18("2","10","2","9","4","2","1") = "9"
    & skf18("2","10","2","9","4","3","1") = "9"
    & skf18("2","10","2","9","4","4","1") = "9"
    & skf18("2","10","2","9","4","5","1") = "9"
    & skf18("2","10","2","9","4","6","1") = "9"
    & skf18("2","10","2","9","4","7","1") = "9"
    & skf18("2","10","2","9","4","8","1") = "9"
    & skf18("2","10","2","9","4","9","1") = "9"
    & skf18("2","10","2","9","4","10","1") = "9"
    & skf18("2","10","2","9","5","1","1") = "9"
    & skf18("2","10","2","9","5","2","1") = "9"
    & skf18("2","10","2","9","5","3","1") = "9"
    & skf18("2","10","2","9","5","4","1") = "9"
    & skf18("2","10","2","9","5","5","1") = "9"
    & skf18("2","10","2","9","5","6","1") = "9"
    & skf18("2","10","2","9","5","7","1") = "9"
    & skf18("2","10","2","9","5","8","1") = "9"
    & skf18("2","10","2","9","5","9","1") = "9"
    & skf18("2","10","2","9","5","10","1") = "9"
    & skf18("2","10","2","9","6","1","1") = "9"
    & skf18("2","10","2","9","6","2","1") = "9"
    & skf18("2","10","2","9","6","3","1") = "9"
    & skf18("2","10","2","9","6","4","1") = "9"
    & skf18("2","10","2","9","6","5","1") = "9"
    & skf18("2","10","2","9","6","6","1") = "9"
    & skf18("2","10","2","9","6","7","1") = "9"
    & skf18("2","10","2","9","6","8","1") = "9"
    & skf18("2","10","2","9","6","9","1") = "9"
    & skf18("2","10","2","9","6","10","1") = "9"
    & skf18("2","10","2","9","7","1","1") = "9"
    & skf18("2","10","2","9","7","2","1") = "9"
    & skf18("2","10","2","9","7","3","1") = "9"
    & skf18("2","10","2","9","7","4","1") = "9"
    & skf18("2","10","2","9","7","5","1") = "9"
    & skf18("2","10","2","9","7","6","1") = "9"
    & skf18("2","10","2","9","7","7","1") = "9"
    & skf18("2","10","2","9","7","8","1") = "9"
    & skf18("2","10","2","9","7","9","1") = "9"
    & skf18("2","10","2","9","7","10","1") = "9"
    & skf18("2","10","2","9","8","1","1") = "9"
    & skf18("2","10","2","9","8","2","1") = "9"
    & skf18("2","10","2","9","8","3","1") = "9"
    & skf18("2","10","2","9","8","4","1") = "9"
    & skf18("2","10","2","9","8","5","1") = "9"
    & skf18("2","10","2","9","8","6","1") = "9"
    & skf18("2","10","2","9","8","7","1") = "9"
    & skf18("2","10","2","9","8","8","1") = "9"
    & skf18("2","10","2","9","8","9","1") = "9"
    & skf18("2","10","2","9","8","10","1") = "9"
    & skf18("2","10","2","9","9","1","1") = "9"
    & skf18("2","10","2","9","9","2","1") = "9"
    & skf18("2","10","2","9","9","3","1") = "9"
    & skf18("2","10","2","9","9","4","1") = "9"
    & skf18("2","10","2","9","9","5","1") = "9"
    & skf18("2","10","2","9","9","6","1") = "9"
    & skf18("2","10","2","9","9","7","1") = "9"
    & skf18("2","10","2","9","9","8","1") = "9"
    & skf18("2","10","2","9","9","9","1") = "9"
    & skf18("2","10","2","9","9","10","1") = "9"
    & skf18("2","10","2","9","10","1","1") = "9"
    & skf18("2","10","2","9","10","2","1") = "9"
    & skf18("2","10","2","9","10","3","1") = "9"
    & skf18("2","10","2","9","10","4","1") = "9"
    & skf18("2","10","2","9","10","5","1") = "9"
    & skf18("2","10","2","9","10","6","1") = "9"
    & skf18("2","10","2","9","10","7","1") = "9"
    & skf18("2","10","2","9","10","8","1") = "9"
    & skf18("2","10","2","9","10","9","1") = "9"
    & skf18("2","10","2","9","10","10","1") = "9"
    & skf18("2","10","2","10","1","1","1") = "9"
    & skf18("2","10","2","10","1","2","1") = "9"
    & skf18("2","10","2","10","1","3","1") = "9"
    & skf18("2","10","2","10","1","4","1") = "9"
    & skf18("2","10","2","10","1","5","1") = "9"
    & skf18("2","10","2","10","1","6","1") = "9"
    & skf18("2","10","2","10","1","7","1") = "9"
    & skf18("2","10","2","10","1","8","1") = "9"
    & skf18("2","10","2","10","1","9","1") = "9"
    & skf18("2","10","2","10","1","10","1") = "9"
    & skf18("2","10","2","10","2","1","1") = "9"
    & skf18("2","10","2","10","2","2","1") = "9"
    & skf18("2","10","2","10","2","3","1") = "9"
    & skf18("2","10","2","10","2","4","1") = "9"
    & skf18("2","10","2","10","2","5","1") = "9"
    & skf18("2","10","2","10","2","6","1") = "9"
    & skf18("2","10","2","10","2","7","1") = "9"
    & skf18("2","10","2","10","2","8","1") = "9"
    & skf18("2","10","2","10","2","9","1") = "9"
    & skf18("2","10","2","10","2","10","1") = "9"
    & skf18("2","10","2","10","3","1","1") = "9"
    & skf18("2","10","2","10","3","2","1") = "9"
    & skf18("2","10","2","10","3","3","1") = "9"
    & skf18("2","10","2","10","3","4","1") = "9"
    & skf18("2","10","2","10","3","5","1") = "9"
    & skf18("2","10","2","10","3","6","1") = "9"
    & skf18("2","10","2","10","3","7","1") = "9"
    & skf18("2","10","2","10","3","8","1") = "9"
    & skf18("2","10","2","10","3","9","1") = "9"
    & skf18("2","10","2","10","3","10","1") = "9"
    & skf18("2","10","2","10","4","1","1") = "9"
    & skf18("2","10","2","10","4","2","1") = "9"
    & skf18("2","10","2","10","4","3","1") = "9"
    & skf18("2","10","2","10","4","4","1") = "9"
    & skf18("2","10","2","10","4","5","1") = "9"
    & skf18("2","10","2","10","4","6","1") = "9"
    & skf18("2","10","2","10","4","7","1") = "9"
    & skf18("2","10","2","10","4","8","1") = "9"
    & skf18("2","10","2","10","4","9","1") = "9"
    & skf18("2","10","2","10","4","10","1") = "9"
    & skf18("2","10","2","10","5","1","1") = "9"
    & skf18("2","10","2","10","5","2","1") = "9"
    & skf18("2","10","2","10","5","3","1") = "9"
    & skf18("2","10","2","10","5","4","1") = "9"
    & skf18("2","10","2","10","5","5","1") = "9"
    & skf18("2","10","2","10","5","6","1") = "9"
    & skf18("2","10","2","10","5","7","1") = "9"
    & skf18("2","10","2","10","5","8","1") = "9"
    & skf18("2","10","2","10","5","9","1") = "9"
    & skf18("2","10","2","10","5","10","1") = "9"
    & skf18("2","10","2","10","6","1","1") = "9"
    & skf18("2","10","2","10","6","2","1") = "9"
    & skf18("2","10","2","10","6","3","1") = "9"
    & skf18("2","10","2","10","6","4","1") = "9"
    & skf18("2","10","2","10","6","5","1") = "9"
    & skf18("2","10","2","10","6","6","1") = "9"
    & skf18("2","10","2","10","6","7","1") = "9"
    & skf18("2","10","2","10","6","8","1") = "9"
    & skf18("2","10","2","10","6","9","1") = "9"
    & skf18("2","10","2","10","6","10","1") = "9"
    & skf18("2","10","2","10","7","1","1") = "9"
    & skf18("2","10","2","10","7","2","1") = "9"
    & skf18("2","10","2","10","7","3","1") = "9"
    & skf18("2","10","2","10","7","4","1") = "9"
    & skf18("2","10","2","10","7","5","1") = "9"
    & skf18("2","10","2","10","7","6","1") = "9"
    & skf18("2","10","2","10","7","7","1") = "9"
    & skf18("2","10","2","10","7","8","1") = "9"
    & skf18("2","10","2","10","7","9","1") = "9"
    & skf18("2","10","2","10","7","10","1") = "9"
    & skf18("2","10","2","10","8","1","1") = "9"
    & skf18("2","10","2","10","8","2","1") = "9"
    & skf18("2","10","2","10","8","3","1") = "9"
    & skf18("2","10","2","10","8","4","1") = "9"
    & skf18("2","10","2","10","8","5","1") = "9"
    & skf18("2","10","2","10","8","6","1") = "9"
    & skf18("2","10","2","10","8","7","1") = "9"
    & skf18("2","10","2","10","8","8","1") = "9"
    & skf18("2","10","2","10","8","9","1") = "9"
    & skf18("2","10","2","10","8","10","1") = "9"
    & skf18("2","10","2","10","9","1","1") = "9"
    & skf18("2","10","2","10","9","2","1") = "9"
    & skf18("2","10","2","10","9","3","1") = "9"
    & skf18("2","10","2","10","9","4","1") = "9"
    & skf18("2","10","2","10","9","5","1") = "9"
    & skf18("2","10","2","10","9","6","1") = "9"
    & skf18("2","10","2","10","9","7","1") = "9"
    & skf18("2","10","2","10","9","8","1") = "9"
    & skf18("2","10","2","10","9","9","1") = "9"
    & skf18("2","10","2","10","9","10","1") = "9"
    & skf18("2","10","2","10","10","1","1") = "9"
    & skf18("2","10","2","10","10","2","1") = "9"
    & skf18("2","10","2","10","10","3","1") = "9"
    & skf18("2","10","2","10","10","4","1") = "9"
    & skf18("2","10","2","10","10","5","1") = "9"
    & skf18("2","10","2","10","10","6","1") = "9"
    & skf18("2","10","2","10","10","7","1") = "9"
    & skf18("2","10","2","10","10","8","1") = "9"
    & skf18("2","10","2","10","10","9","1") = "9"
    & skf18("2","10","2","10","10","10","1") = "9"
    & skf18("2","10","3","1","1","1","1") = "9"
    & skf18("2","10","3","1","1","2","1") = "9"
    & skf18("2","10","3","1","1","3","1") = "9"
    & skf18("2","10","3","1","1","4","1") = "9"
    & skf18("2","10","3","1","1","5","1") = "9"
    & skf18("2","10","3","1","1","6","1") = "9"
    & skf18("2","10","3","1","1","7","1") = "9"
    & skf18("2","10","3","1","1","8","1") = "9"
    & skf18("2","10","3","1","1","9","1") = "9"
    & skf18("2","10","3","1","1","10","1") = "9"
    & skf18("2","10","3","1","2","1","1") = "9"
    & skf18("2","10","3","1","2","2","1") = "9"
    & skf18("2","10","3","1","2","3","1") = "9"
    & skf18("2","10","3","1","2","4","1") = "9"
    & skf18("2","10","3","1","2","5","1") = "9"
    & skf18("2","10","3","1","2","6","1") = "9"
    & skf18("2","10","3","1","2","7","1") = "9"
    & skf18("2","10","3","1","2","8","1") = "9"
    & skf18("2","10","3","1","2","9","1") = "9"
    & skf18("2","10","3","1","2","10","1") = "9"
    & skf18("2","10","3","1","3","1","1") = "9"
    & skf18("2","10","3","1","3","2","1") = "9"
    & skf18("2","10","3","1","3","3","1") = "9"
    & skf18("2","10","3","1","3","4","1") = "9"
    & skf18("2","10","3","1","3","5","1") = "9"
    & skf18("2","10","3","1","3","6","1") = "9"
    & skf18("2","10","3","1","3","7","1") = "9"
    & skf18("2","10","3","1","3","8","1") = "9"
    & skf18("2","10","3","1","3","9","1") = "9"
    & skf18("2","10","3","1","3","10","1") = "9"
    & skf18("2","10","3","1","4","1","1") = "9"
    & skf18("2","10","3","1","4","2","1") = "9"
    & skf18("2","10","3","1","4","3","1") = "9"
    & skf18("2","10","3","1","4","4","1") = "9"
    & skf18("2","10","3","1","4","5","1") = "9"
    & skf18("2","10","3","1","4","6","1") = "9"
    & skf18("2","10","3","1","4","7","1") = "9"
    & skf18("2","10","3","1","4","8","1") = "9"
    & skf18("2","10","3","1","4","9","1") = "9"
    & skf18("2","10","3","1","4","10","1") = "9"
    & skf18("2","10","3","1","5","1","1") = "9"
    & skf18("2","10","3","1","5","2","1") = "9"
    & skf18("2","10","3","1","5","3","1") = "9"
    & skf18("2","10","3","1","5","4","1") = "9"
    & skf18("2","10","3","1","5","5","1") = "9"
    & skf18("2","10","3","1","5","6","1") = "9"
    & skf18("2","10","3","1","5","7","1") = "9"
    & skf18("2","10","3","1","5","8","1") = "9"
    & skf18("2","10","3","1","5","9","1") = "9"
    & skf18("2","10","3","1","5","10","1") = "9"
    & skf18("2","10","3","1","6","1","1") = "9"
    & skf18("2","10","3","1","6","2","1") = "9"
    & skf18("2","10","3","1","6","3","1") = "9"
    & skf18("2","10","3","1","6","4","1") = "9"
    & skf18("2","10","3","1","6","5","1") = "9"
    & skf18("2","10","3","1","6","6","1") = "9"
    & skf18("2","10","3","1","6","7","1") = "9"
    & skf18("2","10","3","1","6","8","1") = "9"
    & skf18("2","10","3","1","6","9","1") = "9"
    & skf18("2","10","3","1","6","10","1") = "9"
    & skf18("2","10","3","1","7","1","1") = "9"
    & skf18("2","10","3","1","7","2","1") = "9"
    & skf18("2","10","3","1","7","3","1") = "9"
    & skf18("2","10","3","1","7","4","1") = "9"
    & skf18("2","10","3","1","7","5","1") = "9"
    & skf18("2","10","3","1","7","6","1") = "9"
    & skf18("2","10","3","1","7","7","1") = "9"
    & skf18("2","10","3","1","7","8","1") = "9"
    & skf18("2","10","3","1","7","9","1") = "9"
    & skf18("2","10","3","1","7","10","1") = "9"
    & skf18("2","10","3","1","8","1","1") = "9"
    & skf18("2","10","3","1","8","2","1") = "9"
    & skf18("2","10","3","1","8","3","1") = "9"
    & skf18("2","10","3","1","8","4","1") = "9"
    & skf18("2","10","3","1","8","5","1") = "9"
    & skf18("2","10","3","1","8","6","1") = "9"
    & skf18("2","10","3","1","8","7","1") = "9"
    & skf18("2","10","3","1","8","8","1") = "9"
    & skf18("2","10","3","1","8","9","1") = "9"
    & skf18("2","10","3","1","8","10","1") = "9"
    & skf18("2","10","3","1","9","1","1") = "9"
    & skf18("2","10","3","1","9","2","1") = "9"
    & skf18("2","10","3","1","9","3","1") = "9"
    & skf18("2","10","3","1","9","4","1") = "9"
    & skf18("2","10","3","1","9","5","1") = "9"
    & skf18("2","10","3","1","9","6","1") = "9"
    & skf18("2","10","3","1","9","7","1") = "9"
    & skf18("2","10","3","1","9","8","1") = "9"
    & skf18("2","10","3","1","9","9","1") = "9"
    & skf18("2","10","3","1","9","10","1") = "9"
    & skf18("2","10","3","1","10","1","1") = "9"
    & skf18("2","10","3","1","10","2","1") = "9"
    & skf18("2","10","3","1","10","3","1") = "9"
    & skf18("2","10","3","1","10","4","1") = "9"
    & skf18("2","10","3","1","10","5","1") = "9"
    & skf18("2","10","3","1","10","6","1") = "9"
    & skf18("2","10","3","1","10","7","1") = "9"
    & skf18("2","10","3","1","10","8","1") = "9"
    & skf18("2","10","3","1","10","9","1") = "9"
    & skf18("2","10","3","1","10","10","1") = "9"
    & skf18("2","10","3","2","1","1","1") = "9"
    & skf18("2","10","3","2","1","2","1") = "9"
    & skf18("2","10","3","2","1","3","1") = "9"
    & skf18("2","10","3","2","1","4","1") = "9"
    & skf18("2","10","3","2","1","5","1") = "9"
    & skf18("2","10","3","2","1","6","1") = "9"
    & skf18("2","10","3","2","1","7","1") = "9"
    & skf18("2","10","3","2","1","8","1") = "9"
    & skf18("2","10","3","2","1","9","1") = "9"
    & skf18("2","10","3","2","1","10","1") = "9"
    & skf18("2","10","3","2","2","1","1") = "9"
    & skf18("2","10","3","2","2","2","1") = "9"
    & skf18("2","10","3","2","2","3","1") = "9"
    & skf18("2","10","3","2","2","4","1") = "9"
    & skf18("2","10","3","2","2","5","1") = "9"
    & skf18("2","10","3","2","2","6","1") = "9"
    & skf18("2","10","3","2","2","7","1") = "9"
    & skf18("2","10","3","2","2","8","1") = "9"
    & skf18("2","10","3","2","2","9","1") = "9"
    & skf18("2","10","3","2","2","10","1") = "9"
    & skf18("2","10","3","2","3","1","1") = "9"
    & skf18("2","10","3","2","3","2","1") = "9"
    & skf18("2","10","3","2","3","3","1") = "9"
    & skf18("2","10","3","2","3","4","1") = "9"
    & skf18("2","10","3","2","3","5","1") = "9"
    & skf18("2","10","3","2","3","6","1") = "9"
    & skf18("2","10","3","2","3","7","1") = "9"
    & skf18("2","10","3","2","3","8","1") = "9"
    & skf18("2","10","3","2","3","9","1") = "9"
    & skf18("2","10","3","2","3","10","1") = "9"
    & skf18("2","10","3","2","4","1","1") = "9"
    & skf18("2","10","3","2","4","2","1") = "9"
    & skf18("2","10","3","2","4","3","1") = "9"
    & skf18("2","10","3","2","4","4","1") = "9"
    & skf18("2","10","3","2","4","5","1") = "9"
    & skf18("2","10","3","2","4","6","1") = "9"
    & skf18("2","10","3","2","4","7","1") = "9"
    & skf18("2","10","3","2","4","8","1") = "9"
    & skf18("2","10","3","2","4","9","1") = "9"
    & skf18("2","10","3","2","4","10","1") = "9"
    & skf18("2","10","3","2","5","1","1") = "9"
    & skf18("2","10","3","2","5","2","1") = "9"
    & skf18("2","10","3","2","5","3","1") = "9"
    & skf18("2","10","3","2","5","4","1") = "9"
    & skf18("2","10","3","2","5","5","1") = "9"
    & skf18("2","10","3","2","5","6","1") = "9"
    & skf18("2","10","3","2","5","7","1") = "9"
    & skf18("2","10","3","2","5","8","1") = "9"
    & skf18("2","10","3","2","5","9","1") = "9"
    & skf18("2","10","3","2","5","10","1") = "9"
    & skf18("2","10","3","2","6","1","1") = "9"
    & skf18("2","10","3","2","6","2","1") = "9"
    & skf18("2","10","3","2","6","3","1") = "9"
    & skf18("2","10","3","2","6","4","1") = "9"
    & skf18("2","10","3","2","6","5","1") = "9"
    & skf18("2","10","3","2","6","6","1") = "9"
    & skf18("2","10","3","2","6","7","1") = "9"
    & skf18("2","10","3","2","6","8","1") = "9"
    & skf18("2","10","3","2","6","9","1") = "9"
    & skf18("2","10","3","2","6","10","1") = "9"
    & skf18("2","10","3","2","7","1","1") = "9"
    & skf18("2","10","3","2","7","2","1") = "9"
    & skf18("2","10","3","2","7","3","1") = "9"
    & skf18("2","10","3","2","7","4","1") = "9"
    & skf18("2","10","3","2","7","5","1") = "9"
    & skf18("2","10","3","2","7","6","1") = "9"
    & skf18("2","10","3","2","7","7","1") = "9"
    & skf18("2","10","3","2","7","8","1") = "9"
    & skf18("2","10","3","2","7","9","1") = "9"
    & skf18("2","10","3","2","7","10","1") = "9"
    & skf18("2","10","3","2","8","1","1") = "9"
    & skf18("2","10","3","2","8","2","1") = "9"
    & skf18("2","10","3","2","8","3","1") = "9"
    & skf18("2","10","3","2","8","4","1") = "9"
    & skf18("2","10","3","2","8","5","1") = "9"
    & skf18("2","10","3","2","8","6","1") = "9"
    & skf18("2","10","3","2","8","7","1") = "9"
    & skf18("2","10","3","2","8","8","1") = "9"
    & skf18("2","10","3","2","8","9","1") = "9"
    & skf18("2","10","3","2","8","10","1") = "9"
    & skf18("2","10","3","2","9","1","1") = "9"
    & skf18("2","10","3","2","9","2","1") = "9"
    & skf18("2","10","3","2","9","3","1") = "9"
    & skf18("2","10","3","2","9","4","1") = "9"
    & skf18("2","10","3","2","9","5","1") = "9"
    & skf18("2","10","3","2","9","6","1") = "9"
    & skf18("2","10","3","2","9","7","1") = "9"
    & skf18("2","10","3","2","9","8","1") = "9"
    & skf18("2","10","3","2","9","9","1") = "9"
    & skf18("2","10","3","2","9","10","1") = "9"
    & skf18("2","10","3","2","10","1","1") = "9"
    & skf18("2","10","3","2","10","2","1") = "9"
    & skf18("2","10","3","2","10","3","1") = "9"
    & skf18("2","10","3","2","10","4","1") = "9"
    & skf18("2","10","3","2","10","5","1") = "9"
    & skf18("2","10","3","2","10","6","1") = "9"
    & skf18("2","10","3","2","10","7","1") = "9"
    & skf18("2","10","3","2","10","8","1") = "9"
    & skf18("2","10","3","2","10","9","1") = "9"
    & skf18("2","10","3","2","10","10","1") = "9"
    & skf18("2","10","3","3","1","1","1") = "9"
    & skf18("2","10","3","3","1","2","1") = "9"
    & skf18("2","10","3","3","1","3","1") = "9"
    & skf18("2","10","3","3","1","4","1") = "9"
    & skf18("2","10","3","3","1","5","1") = "9"
    & skf18("2","10","3","3","1","6","1") = "9"
    & skf18("2","10","3","3","1","7","1") = "9"
    & skf18("2","10","3","3","1","8","1") = "9"
    & skf18("2","10","3","3","1","9","1") = "9"
    & skf18("2","10","3","3","1","10","1") = "9"
    & skf18("2","10","3","3","2","1","1") = "9"
    & skf18("2","10","3","3","2","2","1") = "9"
    & skf18("2","10","3","3","2","3","1") = "9"
    & skf18("2","10","3","3","2","4","1") = "9"
    & skf18("2","10","3","3","2","5","1") = "9"
    & skf18("2","10","3","3","2","6","1") = "9"
    & skf18("2","10","3","3","2","7","1") = "9"
    & skf18("2","10","3","3","2","8","1") = "9"
    & skf18("2","10","3","3","2","9","1") = "9"
    & skf18("2","10","3","3","2","10","1") = "9"
    & skf18("2","10","3","3","3","1","1") = "9"
    & skf18("2","10","3","3","3","2","1") = "9"
    & skf18("2","10","3","3","3","3","1") = "9"
    & skf18("2","10","3","3","3","4","1") = "9"
    & skf18("2","10","3","3","3","5","1") = "9"
    & skf18("2","10","3","3","3","6","1") = "9"
    & skf18("2","10","3","3","3","7","1") = "9"
    & skf18("2","10","3","3","3","8","1") = "9"
    & skf18("2","10","3","3","3","9","1") = "9"
    & skf18("2","10","3","3","3","10","1") = "9"
    & skf18("2","10","3","3","4","1","1") = "9"
    & skf18("2","10","3","3","4","2","1") = "9"
    & skf18("2","10","3","3","4","3","1") = "9"
    & skf18("2","10","3","3","4","4","1") = "9"
    & skf18("2","10","3","3","4","5","1") = "9"
    & skf18("2","10","3","3","4","6","1") = "9"
    & skf18("2","10","3","3","4","7","1") = "9"
    & skf18("2","10","3","3","4","8","1") = "9"
    & skf18("2","10","3","3","4","9","1") = "9"
    & skf18("2","10","3","3","4","10","1") = "9"
    & skf18("2","10","3","3","5","1","1") = "9"
    & skf18("2","10","3","3","5","2","1") = "9"
    & skf18("2","10","3","3","5","3","1") = "9"
    & skf18("2","10","3","3","5","4","1") = "9"
    & skf18("2","10","3","3","5","5","1") = "9"
    & skf18("2","10","3","3","5","6","1") = "9"
    & skf18("2","10","3","3","5","7","1") = "9"
    & skf18("2","10","3","3","5","8","1") = "9"
    & skf18("2","10","3","3","5","9","1") = "9"
    & skf18("2","10","3","3","5","10","1") = "9"
    & skf18("2","10","3","3","6","1","1") = "9"
    & skf18("2","10","3","3","6","2","1") = "9"
    & skf18("2","10","3","3","6","3","1") = "9"
    & skf18("2","10","3","3","6","4","1") = "9"
    & skf18("2","10","3","3","6","5","1") = "9"
    & skf18("2","10","3","3","6","6","1") = "9"
    & skf18("2","10","3","3","6","7","1") = "9"
    & skf18("2","10","3","3","6","8","1") = "9"
    & skf18("2","10","3","3","6","9","1") = "9"
    & skf18("2","10","3","3","6","10","1") = "9"
    & skf18("2","10","3","3","7","1","1") = "9"
    & skf18("2","10","3","3","7","2","1") = "9"
    & skf18("2","10","3","3","7","3","1") = "9"
    & skf18("2","10","3","3","7","4","1") = "9"
    & skf18("2","10","3","3","7","5","1") = "9"
    & skf18("2","10","3","3","7","6","1") = "9"
    & skf18("2","10","3","3","7","7","1") = "9"
    & skf18("2","10","3","3","7","8","1") = "9"
    & skf18("2","10","3","3","7","9","1") = "9"
    & skf18("2","10","3","3","7","10","1") = "9"
    & skf18("2","10","3","3","8","1","1") = "9"
    & skf18("2","10","3","3","8","2","1") = "9"
    & skf18("2","10","3","3","8","3","1") = "9"
    & skf18("2","10","3","3","8","4","1") = "9"
    & skf18("2","10","3","3","8","5","1") = "9"
    & skf18("2","10","3","3","8","6","1") = "9"
    & skf18("2","10","3","3","8","7","1") = "9"
    & skf18("2","10","3","3","8","8","1") = "9"
    & skf18("2","10","3","3","8","9","1") = "9"
    & skf18("2","10","3","3","8","10","1") = "9"
    & skf18("2","10","3","3","9","1","1") = "9"
    & skf18("2","10","3","3","9","2","1") = "9"
    & skf18("2","10","3","3","9","3","1") = "9"
    & skf18("2","10","3","3","9","4","1") = "9"
    & skf18("2","10","3","3","9","5","1") = "9"
    & skf18("2","10","3","3","9","6","1") = "9"
    & skf18("2","10","3","3","9","7","1") = "9"
    & skf18("2","10","3","3","9","8","1") = "9"
    & skf18("2","10","3","3","9","9","1") = "9"
    & skf18("2","10","3","3","9","10","1") = "9"
    & skf18("2","10","3","3","10","1","1") = "9"
    & skf18("2","10","3","3","10","2","1") = "9"
    & skf18("2","10","3","3","10","3","1") = "9"
    & skf18("2","10","3","3","10","4","1") = "9"
    & skf18("2","10","3","3","10","5","1") = "9"
    & skf18("2","10","3","3","10","6","1") = "9"
    & skf18("2","10","3","3","10","7","1") = "9"
    & skf18("2","10","3","3","10","8","1") = "9"
    & skf18("2","10","3","3","10","9","1") = "9"
    & skf18("2","10","3","3","10","10","1") = "9"
    & skf18("2","10","3","4","1","1","1") = "9"
    & skf18("2","10","3","4","1","2","1") = "9"
    & skf18("2","10","3","4","1","3","1") = "9"
    & skf18("2","10","3","4","1","4","1") = "9"
    & skf18("2","10","3","4","1","5","1") = "9"
    & skf18("2","10","3","4","1","6","1") = "9"
    & skf18("2","10","3","4","1","7","1") = "9"
    & skf18("2","10","3","4","1","8","1") = "9"
    & skf18("2","10","3","4","1","9","1") = "9"
    & skf18("2","10","3","4","1","10","1") = "9"
    & skf18("2","10","3","4","2","1","1") = "9"
    & skf18("2","10","3","4","2","2","1") = "9"
    & skf18("2","10","3","4","2","3","1") = "9"
    & skf18("2","10","3","4","2","4","1") = "9"
    & skf18("2","10","3","4","2","5","1") = "9"
    & skf18("2","10","3","4","2","6","1") = "9"
    & skf18("2","10","3","4","2","7","1") = "9"
    & skf18("2","10","3","4","2","8","1") = "9"
    & skf18("2","10","3","4","2","9","1") = "9"
    & skf18("2","10","3","4","2","10","1") = "9"
    & skf18("2","10","3","4","3","1","1") = "9"
    & skf18("2","10","3","4","3","2","1") = "9"
    & skf18("2","10","3","4","3","3","1") = "9"
    & skf18("2","10","3","4","3","4","1") = "9"
    & skf18("2","10","3","4","3","5","1") = "9"
    & skf18("2","10","3","4","3","6","1") = "9"
    & skf18("2","10","3","4","3","7","1") = "9"
    & skf18("2","10","3","4","3","8","1") = "9"
    & skf18("2","10","3","4","3","9","1") = "9"
    & skf18("2","10","3","4","3","10","1") = "9"
    & skf18("2","10","3","4","4","1","1") = "9"
    & skf18("2","10","3","4","4","2","1") = "9"
    & skf18("2","10","3","4","4","3","1") = "9"
    & skf18("2","10","3","4","4","4","1") = "9"
    & skf18("2","10","3","4","4","5","1") = "9"
    & skf18("2","10","3","4","4","6","1") = "9"
    & skf18("2","10","3","4","4","7","1") = "9"
    & skf18("2","10","3","4","4","8","1") = "9"
    & skf18("2","10","3","4","4","9","1") = "9"
    & skf18("2","10","3","4","4","10","1") = "9"
    & skf18("2","10","3","4","5","1","1") = "9"
    & skf18("2","10","3","4","5","2","1") = "9"
    & skf18("2","10","3","4","5","3","1") = "9"
    & skf18("2","10","3","4","5","4","1") = "9"
    & skf18("2","10","3","4","5","5","1") = "9"
    & skf18("2","10","3","4","5","6","1") = "9"
    & skf18("2","10","3","4","5","7","1") = "9"
    & skf18("2","10","3","4","5","8","1") = "9"
    & skf18("2","10","3","4","5","9","1") = "9"
    & skf18("2","10","3","4","5","10","1") = "9"
    & skf18("2","10","3","4","6","1","1") = "9"
    & skf18("2","10","3","4","6","2","1") = "9"
    & skf18("2","10","3","4","6","3","1") = "9"
    & skf18("2","10","3","4","6","4","1") = "9"
    & skf18("2","10","3","4","6","5","1") = "9"
    & skf18("2","10","3","4","6","6","1") = "9"
    & skf18("2","10","3","4","6","7","1") = "9"
    & skf18("2","10","3","4","6","8","1") = "9"
    & skf18("2","10","3","4","6","9","1") = "9"
    & skf18("2","10","3","4","6","10","1") = "9"
    & skf18("2","10","3","4","7","1","1") = "9"
    & skf18("2","10","3","4","7","2","1") = "9"
    & skf18("2","10","3","4","7","3","1") = "9"
    & skf18("2","10","3","4","7","4","1") = "9"
    & skf18("2","10","3","4","7","5","1") = "9"
    & skf18("2","10","3","4","7","6","1") = "9"
    & skf18("2","10","3","4","7","7","1") = "9"
    & skf18("2","10","3","4","7","8","1") = "9"
    & skf18("2","10","3","4","7","9","1") = "9"
    & skf18("2","10","3","4","7","10","1") = "9"
    & skf18("2","10","3","4","8","1","1") = "9"
    & skf18("2","10","3","4","8","2","1") = "9"
    & skf18("2","10","3","4","8","3","1") = "9"
    & skf18("2","10","3","4","8","4","1") = "9"
    & skf18("2","10","3","4","8","5","1") = "9"
    & skf18("2","10","3","4","8","6","1") = "9"
    & skf18("2","10","3","4","8","7","1") = "9"
    & skf18("2","10","3","4","8","8","1") = "9"
    & skf18("2","10","3","4","8","9","1") = "9"
    & skf18("2","10","3","4","8","10","1") = "9"
    & skf18("2","10","3","4","9","1","1") = "9"
    & skf18("2","10","3","4","9","2","1") = "9"
    & skf18("2","10","3","4","9","3","1") = "9"
    & skf18("2","10","3","4","9","4","1") = "9"
    & skf18("2","10","3","4","9","5","1") = "9"
    & skf18("2","10","3","4","9","6","1") = "9"
    & skf18("2","10","3","4","9","7","1") = "9"
    & skf18("2","10","3","4","9","8","1") = "9"
    & skf18("2","10","3","4","9","9","1") = "9"
    & skf18("2","10","3","4","9","10","1") = "9"
    & skf18("2","10","3","4","10","1","1") = "9"
    & skf18("2","10","3","4","10","2","1") = "9"
    & skf18("2","10","3","4","10","3","1") = "9"
    & skf18("2","10","3","4","10","4","1") = "9"
    & skf18("2","10","3","4","10","5","1") = "9"
    & skf18("2","10","3","4","10","6","1") = "9"
    & skf18("2","10","3","4","10","7","1") = "9"
    & skf18("2","10","3","4","10","8","1") = "9"
    & skf18("2","10","3","4","10","9","1") = "9"
    & skf18("2","10","3","4","10","10","1") = "9"
    & skf18("2","10","3","5","1","1","1") = "9"
    & skf18("2","10","3","5","1","2","1") = "9"
    & skf18("2","10","3","5","1","3","1") = "9"
    & skf18("2","10","3","5","1","4","1") = "9"
    & skf18("2","10","3","5","1","5","1") = "9"
    & skf18("2","10","3","5","1","6","1") = "9"
    & skf18("2","10","3","5","1","7","1") = "9"
    & skf18("2","10","3","5","1","8","1") = "9"
    & skf18("2","10","3","5","1","9","1") = "9"
    & skf18("2","10","3","5","1","10","1") = "9"
    & skf18("2","10","3","5","2","1","1") = "9"
    & skf18("2","10","3","5","2","2","1") = "9"
    & skf18("2","10","3","5","2","3","1") = "9"
    & skf18("2","10","3","5","2","4","1") = "9"
    & skf18("2","10","3","5","2","5","1") = "9"
    & skf18("2","10","3","5","2","6","1") = "9"
    & skf18("2","10","3","5","2","7","1") = "9"
    & skf18("2","10","3","5","2","8","1") = "9"
    & skf18("2","10","3","5","2","9","1") = "9"
    & skf18("2","10","3","5","2","10","1") = "9"
    & skf18("2","10","3","5","3","1","1") = "9"
    & skf18("2","10","3","5","3","2","1") = "9"
    & skf18("2","10","3","5","3","3","1") = "9"
    & skf18("2","10","3","5","3","4","1") = "9"
    & skf18("2","10","3","5","3","5","1") = "9"
    & skf18("2","10","3","5","3","6","1") = "9"
    & skf18("2","10","3","5","3","7","1") = "9"
    & skf18("2","10","3","5","3","8","1") = "9"
    & skf18("2","10","3","5","3","9","1") = "9"
    & skf18("2","10","3","5","3","10","1") = "9"
    & skf18("2","10","3","5","4","1","1") = "9"
    & skf18("2","10","3","5","4","2","1") = "9"
    & skf18("2","10","3","5","4","3","1") = "9"
    & skf18("2","10","3","5","4","4","1") = "9"
    & skf18("2","10","3","5","4","5","1") = "9"
    & skf18("2","10","3","5","4","6","1") = "9"
    & skf18("2","10","3","5","4","7","1") = "9"
    & skf18("2","10","3","5","4","8","1") = "9"
    & skf18("2","10","3","5","4","9","1") = "9"
    & skf18("2","10","3","5","4","10","1") = "9"
    & skf18("2","10","3","5","5","1","1") = "9"
    & skf18("2","10","3","5","5","2","1") = "9"
    & skf18("2","10","3","5","5","3","1") = "9"
    & skf18("2","10","3","5","5","4","1") = "9"
    & skf18("2","10","3","5","5","5","1") = "9"
    & skf18("2","10","3","5","5","6","1") = "9"
    & skf18("2","10","3","5","5","7","1") = "9"
    & skf18("2","10","3","5","5","8","1") = "9"
    & skf18("2","10","3","5","5","9","1") = "9"
    & skf18("2","10","3","5","5","10","1") = "9"
    & skf18("2","10","3","5","6","1","1") = "9"
    & skf18("2","10","3","5","6","2","1") = "9"
    & skf18("2","10","3","5","6","3","1") = "9"
    & skf18("2","10","3","5","6","4","1") = "9"
    & skf18("2","10","3","5","6","5","1") = "9"
    & skf18("2","10","3","5","6","6","1") = "9"
    & skf18("2","10","3","5","6","7","1") = "9"
    & skf18("2","10","3","5","6","8","1") = "9"
    & skf18("2","10","3","5","6","9","1") = "9"
    & skf18("2","10","3","5","6","10","1") = "9"
    & skf18("2","10","3","5","7","1","1") = "9"
    & skf18("2","10","3","5","7","2","1") = "9"
    & skf18("2","10","3","5","7","3","1") = "9"
    & skf18("2","10","3","5","7","4","1") = "9"
    & skf18("2","10","3","5","7","5","1") = "9"
    & skf18("2","10","3","5","7","6","1") = "9"
    & skf18("2","10","3","5","7","7","1") = "9"
    & skf18("2","10","3","5","7","8","1") = "9"
    & skf18("2","10","3","5","7","9","1") = "9"
    & skf18("2","10","3","5","7","10","1") = "9"
    & skf18("2","10","3","5","8","1","1") = "9"
    & skf18("2","10","3","5","8","2","1") = "9"
    & skf18("2","10","3","5","8","3","1") = "9"
    & skf18("2","10","3","5","8","4","1") = "9"
    & skf18("2","10","3","5","8","5","1") = "9"
    & skf18("2","10","3","5","8","6","1") = "9"
    & skf18("2","10","3","5","8","7","1") = "9"
    & skf18("2","10","3","5","8","8","1") = "9"
    & skf18("2","10","3","5","8","9","1") = "9"
    & skf18("2","10","3","5","8","10","1") = "9"
    & skf18("2","10","3","5","9","1","1") = "9"
    & skf18("2","10","3","5","9","2","1") = "9"
    & skf18("2","10","3","5","9","3","1") = "9"
    & skf18("2","10","3","5","9","4","1") = "9"
    & skf18("2","10","3","5","9","5","1") = "9"
    & skf18("2","10","3","5","9","6","1") = "9"
    & skf18("2","10","3","5","9","7","1") = "9"
    & skf18("2","10","3","5","9","8","1") = "9"
    & skf18("2","10","3","5","9","9","1") = "9"
    & skf18("2","10","3","5","9","10","1") = "9"
    & skf18("2","10","3","5","10","1","1") = "9"
    & skf18("2","10","3","5","10","2","1") = "9"
    & skf18("2","10","3","5","10","3","1") = "9"
    & skf18("2","10","3","5","10","4","1") = "9"
    & skf18("2","10","3","5","10","5","1") = "9"
    & skf18("2","10","3","5","10","6","1") = "9"
    & skf18("2","10","3","5","10","7","1") = "9"
    & skf18("2","10","3","5","10","8","1") = "9"
    & skf18("2","10","3","5","10","9","1") = "9"
    & skf18("2","10","3","5","10","10","1") = "9"
    & skf18("2","10","3","6","1","1","1") = "9"
    & skf18("2","10","3","6","1","2","1") = "9"
    & skf18("2","10","3","6","1","3","1") = "9"
    & skf18("2","10","3","6","1","4","1") = "9"
    & skf18("2","10","3","6","1","5","1") = "9"
    & skf18("2","10","3","6","1","6","1") = "9"
    & skf18("2","10","3","6","1","7","1") = "9"
    & skf18("2","10","3","6","1","8","1") = "9"
    & skf18("2","10","3","6","1","9","1") = "9"
    & skf18("2","10","3","6","1","10","1") = "9"
    & skf18("2","10","3","6","2","1","1") = "9"
    & skf18("2","10","3","6","2","2","1") = "9"
    & skf18("2","10","3","6","2","3","1") = "9"
    & skf18("2","10","3","6","2","4","1") = "9"
    & skf18("2","10","3","6","2","5","1") = "9"
    & skf18("2","10","3","6","2","6","1") = "9"
    & skf18("2","10","3","6","2","7","1") = "9"
    & skf18("2","10","3","6","2","8","1") = "9"
    & skf18("2","10","3","6","2","9","1") = "9"
    & skf18("2","10","3","6","2","10","1") = "9"
    & skf18("2","10","3","6","3","1","1") = "9"
    & skf18("2","10","3","6","3","2","1") = "9"
    & skf18("2","10","3","6","3","3","1") = "9"
    & skf18("2","10","3","6","3","4","1") = "9"
    & skf18("2","10","3","6","3","5","1") = "9"
    & skf18("2","10","3","6","3","6","1") = "9"
    & skf18("2","10","3","6","3","7","1") = "9"
    & skf18("2","10","3","6","3","8","1") = "9"
    & skf18("2","10","3","6","3","9","1") = "9"
    & skf18("2","10","3","6","3","10","1") = "9"
    & skf18("2","10","3","6","4","1","1") = "9"
    & skf18("2","10","3","6","4","2","1") = "9"
    & skf18("2","10","3","6","4","3","1") = "9"
    & skf18("2","10","3","6","4","4","1") = "9"
    & skf18("2","10","3","6","4","5","1") = "9"
    & skf18("2","10","3","6","4","6","1") = "9"
    & skf18("2","10","3","6","4","7","1") = "9"
    & skf18("2","10","3","6","4","8","1") = "9"
    & skf18("2","10","3","6","4","9","1") = "9"
    & skf18("2","10","3","6","4","10","1") = "9"
    & skf18("2","10","3","6","5","1","1") = "9"
    & skf18("2","10","3","6","5","2","1") = "9"
    & skf18("2","10","3","6","5","3","1") = "9"
    & skf18("2","10","3","6","5","4","1") = "9"
    & skf18("2","10","3","6","5","5","1") = "9"
    & skf18("2","10","3","6","5","6","1") = "9"
    & skf18("2","10","3","6","5","7","1") = "9"
    & skf18("2","10","3","6","5","8","1") = "9"
    & skf18("2","10","3","6","5","9","1") = "9"
    & skf18("2","10","3","6","5","10","1") = "9"
    & skf18("2","10","3","6","6","1","1") = "9"
    & skf18("2","10","3","6","6","2","1") = "9"
    & skf18("2","10","3","6","6","3","1") = "9"
    & skf18("2","10","3","6","6","4","1") = "9"
    & skf18("2","10","3","6","6","5","1") = "9"
    & skf18("2","10","3","6","6","6","1") = "9"
    & skf18("2","10","3","6","6","7","1") = "9"
    & skf18("2","10","3","6","6","8","1") = "9"
    & skf18("2","10","3","6","6","9","1") = "9"
    & skf18("2","10","3","6","6","10","1") = "9"
    & skf18("2","10","3","6","7","1","1") = "9"
    & skf18("2","10","3","6","7","2","1") = "9"
    & skf18("2","10","3","6","7","3","1") = "9"
    & skf18("2","10","3","6","7","4","1") = "9"
    & skf18("2","10","3","6","7","5","1") = "9"
    & skf18("2","10","3","6","7","6","1") = "9"
    & skf18("2","10","3","6","7","7","1") = "9"
    & skf18("2","10","3","6","7","8","1") = "9"
    & skf18("2","10","3","6","7","9","1") = "9"
    & skf18("2","10","3","6","7","10","1") = "9"
    & skf18("2","10","3","6","8","1","1") = "9"
    & skf18("2","10","3","6","8","2","1") = "9"
    & skf18("2","10","3","6","8","3","1") = "9"
    & skf18("2","10","3","6","8","4","1") = "9"
    & skf18("2","10","3","6","8","5","1") = "9"
    & skf18("2","10","3","6","8","6","1") = "9"
    & skf18("2","10","3","6","8","7","1") = "9"
    & skf18("2","10","3","6","8","8","1") = "9"
    & skf18("2","10","3","6","8","9","1") = "9"
    & skf18("2","10","3","6","8","10","1") = "9"
    & skf18("2","10","3","6","9","1","1") = "9"
    & skf18("2","10","3","6","9","2","1") = "9"
    & skf18("2","10","3","6","9","3","1") = "9"
    & skf18("2","10","3","6","9","4","1") = "9"
    & skf18("2","10","3","6","9","5","1") = "9"
    & skf18("2","10","3","6","9","6","1") = "9"
    & skf18("2","10","3","6","9","7","1") = "9"
    & skf18("2","10","3","6","9","8","1") = "9"
    & skf18("2","10","3","6","9","9","1") = "9"
    & skf18("2","10","3","6","9","10","1") = "9"
    & skf18("2","10","3","6","10","1","1") = "9"
    & skf18("2","10","3","6","10","2","1") = "9"
    & skf18("2","10","3","6","10","3","1") = "9"
    & skf18("2","10","3","6","10","4","1") = "9"
    & skf18("2","10","3","6","10","5","1") = "9"
    & skf18("2","10","3","6","10","6","1") = "9"
    & skf18("2","10","3","6","10","7","1") = "9"
    & skf18("2","10","3","6","10","8","1") = "9"
    & skf18("2","10","3","6","10","9","1") = "9"
    & skf18("2","10","3","6","10","10","1") = "9"
    & skf18("2","10","3","7","1","1","1") = "9"
    & skf18("2","10","3","7","1","2","1") = "9"
    & skf18("2","10","3","7","1","3","1") = "9"
    & skf18("2","10","3","7","1","4","1") = "9"
    & skf18("2","10","3","7","1","5","1") = "9"
    & skf18("2","10","3","7","1","6","1") = "9"
    & skf18("2","10","3","7","1","7","1") = "9"
    & skf18("2","10","3","7","1","8","1") = "9"
    & skf18("2","10","3","7","1","9","1") = "9"
    & skf18("2","10","3","7","1","10","1") = "9"
    & skf18("2","10","3","7","2","1","1") = "9"
    & skf18("2","10","3","7","2","2","1") = "9"
    & skf18("2","10","3","7","2","3","1") = "9"
    & skf18("2","10","3","7","2","4","1") = "9"
    & skf18("2","10","3","7","2","5","1") = "9"
    & skf18("2","10","3","7","2","6","1") = "9"
    & skf18("2","10","3","7","2","7","1") = "9"
    & skf18("2","10","3","7","2","8","1") = "9"
    & skf18("2","10","3","7","2","9","1") = "9"
    & skf18("2","10","3","7","2","10","1") = "9"
    & skf18("2","10","3","7","3","1","1") = "9"
    & skf18("2","10","3","7","3","2","1") = "9"
    & skf18("2","10","3","7","3","3","1") = "9"
    & skf18("2","10","3","7","3","4","1") = "9"
    & skf18("2","10","3","7","3","5","1") = "9"
    & skf18("2","10","3","7","3","6","1") = "9"
    & skf18("2","10","3","7","3","7","1") = "9"
    & skf18("2","10","3","7","3","8","1") = "9"
    & skf18("2","10","3","7","3","9","1") = "9"
    & skf18("2","10","3","7","3","10","1") = "9"
    & skf18("2","10","3","7","4","1","1") = "9"
    & skf18("2","10","3","7","4","2","1") = "9"
    & skf18("2","10","3","7","4","3","1") = "9"
    & skf18("2","10","3","7","4","4","1") = "9"
    & skf18("2","10","3","7","4","5","1") = "9"
    & skf18("2","10","3","7","4","6","1") = "9"
    & skf18("2","10","3","7","4","7","1") = "9"
    & skf18("2","10","3","7","4","8","1") = "9"
    & skf18("2","10","3","7","4","9","1") = "9"
    & skf18("2","10","3","7","4","10","1") = "9"
    & skf18("2","10","3","7","5","1","1") = "9"
    & skf18("2","10","3","7","5","2","1") = "9"
    & skf18("2","10","3","7","5","3","1") = "9"
    & skf18("2","10","3","7","5","4","1") = "9"
    & skf18("2","10","3","7","5","5","1") = "9"
    & skf18("2","10","3","7","5","6","1") = "9"
    & skf18("2","10","3","7","5","7","1") = "9"
    & skf18("2","10","3","7","5","8","1") = "9"
    & skf18("2","10","3","7","5","9","1") = "9"
    & skf18("2","10","3","7","5","10","1") = "9"
    & skf18("2","10","3","7","6","1","1") = "9"
    & skf18("2","10","3","7","6","2","1") = "9"
    & skf18("2","10","3","7","6","3","1") = "9"
    & skf18("2","10","3","7","6","4","1") = "9"
    & skf18("2","10","3","7","6","5","1") = "9"
    & skf18("2","10","3","7","6","6","1") = "9"
    & skf18("2","10","3","7","6","7","1") = "9"
    & skf18("2","10","3","7","6","8","1") = "9"
    & skf18("2","10","3","7","6","9","1") = "9"
    & skf18("2","10","3","7","6","10","1") = "9"
    & skf18("2","10","3","7","7","1","1") = "9"
    & skf18("2","10","3","7","7","2","1") = "9"
    & skf18("2","10","3","7","7","3","1") = "9"
    & skf18("2","10","3","7","7","4","1") = "9"
    & skf18("2","10","3","7","7","5","1") = "9"
    & skf18("2","10","3","7","7","6","1") = "9"
    & skf18("2","10","3","7","7","7","1") = "9"
    & skf18("2","10","3","7","7","8","1") = "9"
    & skf18("2","10","3","7","7","9","1") = "9"
    & skf18("2","10","3","7","7","10","1") = "9"
    & skf18("2","10","3","7","8","1","1") = "9"
    & skf18("2","10","3","7","8","2","1") = "9"
    & skf18("2","10","3","7","8","3","1") = "9"
    & skf18("2","10","3","7","8","4","1") = "9"
    & skf18("2","10","3","7","8","5","1") = "9"
    & skf18("2","10","3","7","8","6","1") = "9"
    & skf18("2","10","3","7","8","7","1") = "9"
    & skf18("2","10","3","7","8","8","1") = "9"
    & skf18("2","10","3","7","8","9","1") = "9"
    & skf18("2","10","3","7","8","10","1") = "9"
    & skf18("2","10","3","7","9","1","1") = "9"
    & skf18("2","10","3","7","9","2","1") = "9"
    & skf18("2","10","3","7","9","3","1") = "9"
    & skf18("2","10","3","7","9","4","1") = "9"
    & skf18("2","10","3","7","9","5","1") = "9"
    & skf18("2","10","3","7","9","6","1") = "9"
    & skf18("2","10","3","7","9","7","1") = "9"
    & skf18("2","10","3","7","9","8","1") = "9"
    & skf18("2","10","3","7","9","9","1") = "9"
    & skf18("2","10","3","7","9","10","1") = "9"
    & skf18("2","10","3","7","10","1","1") = "9"
    & skf18("2","10","3","7","10","2","1") = "9"
    & skf18("2","10","3","7","10","3","1") = "9"
    & skf18("2","10","3","7","10","4","1") = "9"
    & skf18("2","10","3","7","10","5","1") = "9"
    & skf18("2","10","3","7","10","6","1") = "9"
    & skf18("2","10","3","7","10","7","1") = "9"
    & skf18("2","10","3","7","10","8","1") = "9"
    & skf18("2","10","3","7","10","9","1") = "9"
    & skf18("2","10","3","7","10","10","1") = "9"
    & skf18("2","10","3","8","1","1","1") = "9"
    & skf18("2","10","3","8","1","2","1") = "9"
    & skf18("2","10","3","8","1","3","1") = "9"
    & skf18("2","10","3","8","1","4","1") = "9"
    & skf18("2","10","3","8","1","5","1") = "9"
    & skf18("2","10","3","8","1","6","1") = "9"
    & skf18("2","10","3","8","1","7","1") = "9"
    & skf18("2","10","3","8","1","8","1") = "9"
    & skf18("2","10","3","8","1","9","1") = "9"
    & skf18("2","10","3","8","1","10","1") = "9"
    & skf18("2","10","3","8","2","1","1") = "9"
    & skf18("2","10","3","8","2","2","1") = "9"
    & skf18("2","10","3","8","2","3","1") = "9"
    & skf18("2","10","3","8","2","4","1") = "9"
    & skf18("2","10","3","8","2","5","1") = "9"
    & skf18("2","10","3","8","2","6","1") = "9"
    & skf18("2","10","3","8","2","7","1") = "9"
    & skf18("2","10","3","8","2","8","1") = "9"
    & skf18("2","10","3","8","2","9","1") = "9"
    & skf18("2","10","3","8","2","10","1") = "9"
    & skf18("2","10","3","8","3","1","1") = "9"
    & skf18("2","10","3","8","3","2","1") = "9"
    & skf18("2","10","3","8","3","3","1") = "9"
    & skf18("2","10","3","8","3","4","1") = "9"
    & skf18("2","10","3","8","3","5","1") = "9"
    & skf18("2","10","3","8","3","6","1") = "9"
    & skf18("2","10","3","8","3","7","1") = "9"
    & skf18("2","10","3","8","3","8","1") = "9"
    & skf18("2","10","3","8","3","9","1") = "9"
    & skf18("2","10","3","8","3","10","1") = "9"
    & skf18("2","10","3","8","4","1","1") = "9"
    & skf18("2","10","3","8","4","2","1") = "9"
    & skf18("2","10","3","8","4","3","1") = "9"
    & skf18("2","10","3","8","4","4","1") = "9"
    & skf18("2","10","3","8","4","5","1") = "9"
    & skf18("2","10","3","8","4","6","1") = "9"
    & skf18("2","10","3","8","4","7","1") = "9"
    & skf18("2","10","3","8","4","8","1") = "9"
    & skf18("2","10","3","8","4","9","1") = "9"
    & skf18("2","10","3","8","4","10","1") = "9"
    & skf18("2","10","3","8","5","1","1") = "9"
    & skf18("2","10","3","8","5","2","1") = "9"
    & skf18("2","10","3","8","5","3","1") = "9"
    & skf18("2","10","3","8","5","4","1") = "9"
    & skf18("2","10","3","8","5","5","1") = "9"
    & skf18("2","10","3","8","5","6","1") = "9"
    & skf18("2","10","3","8","5","7","1") = "9"
    & skf18("2","10","3","8","5","8","1") = "9"
    & skf18("2","10","3","8","5","9","1") = "9"
    & skf18("2","10","3","8","5","10","1") = "9"
    & skf18("2","10","3","8","6","1","1") = "9"
    & skf18("2","10","3","8","6","2","1") = "9"
    & skf18("2","10","3","8","6","3","1") = "9"
    & skf18("2","10","3","8","6","4","1") = "9"
    & skf18("2","10","3","8","6","5","1") = "9"
    & skf18("2","10","3","8","6","6","1") = "9"
    & skf18("2","10","3","8","6","7","1") = "9"
    & skf18("2","10","3","8","6","8","1") = "9"
    & skf18("2","10","3","8","6","9","1") = "9"
    & skf18("2","10","3","8","6","10","1") = "9"
    & skf18("2","10","3","8","7","1","1") = "9"
    & skf18("2","10","3","8","7","2","1") = "9"
    & skf18("2","10","3","8","7","3","1") = "9"
    & skf18("2","10","3","8","7","4","1") = "9"
    & skf18("2","10","3","8","7","5","1") = "9"
    & skf18("2","10","3","8","7","6","1") = "9"
    & skf18("2","10","3","8","7","7","1") = "9"
    & skf18("2","10","3","8","7","8","1") = "9"
    & skf18("2","10","3","8","7","9","1") = "9"
    & skf18("2","10","3","8","7","10","1") = "9"
    & skf18("2","10","3","8","8","1","1") = "9"
    & skf18("2","10","3","8","8","2","1") = "9"
    & skf18("2","10","3","8","8","3","1") = "9"
    & skf18("2","10","3","8","8","4","1") = "9"
    & skf18("2","10","3","8","8","5","1") = "9"
    & skf18("2","10","3","8","8","6","1") = "9"
    & skf18("2","10","3","8","8","7","1") = "9"
    & skf18("2","10","3","8","8","8","1") = "9"
    & skf18("2","10","3","8","8","9","1") = "9"
    & skf18("2","10","3","8","8","10","1") = "9"
    & skf18("2","10","3","8","9","1","1") = "9"
    & skf18("2","10","3","8","9","2","1") = "9"
    & skf18("2","10","3","8","9","3","1") = "9"
    & skf18("2","10","3","8","9","4","1") = "9"
    & skf18("2","10","3","8","9","5","1") = "9"
    & skf18("2","10","3","8","9","6","1") = "9"
    & skf18("2","10","3","8","9","7","1") = "9"
    & skf18("2","10","3","8","9","8","1") = "9"
    & skf18("2","10","3","8","9","9","1") = "9"
    & skf18("2","10","3","8","9","10","1") = "9"
    & skf18("2","10","3","8","10","1","1") = "9"
    & skf18("2","10","3","8","10","2","1") = "9"
    & skf18("2","10","3","8","10","3","1") = "9"
    & skf18("2","10","3","8","10","4","1") = "9"
    & skf18("2","10","3","8","10","5","1") = "9"
    & skf18("2","10","3","8","10","6","1") = "9"
    & skf18("2","10","3","8","10","7","1") = "9"
    & skf18("2","10","3","8","10","8","1") = "9"
    & skf18("2","10","3","8","10","9","1") = "9"
    & skf18("2","10","3","8","10","10","1") = "9"
    & skf18("2","10","3","9","1","1","1") = "9"
    & skf18("2","10","3","9","1","2","1") = "9"
    & skf18("2","10","3","9","1","3","1") = "9"
    & skf18("2","10","3","9","1","4","1") = "9"
    & skf18("2","10","3","9","1","5","1") = "9"
    & skf18("2","10","3","9","1","6","1") = "9"
    & skf18("2","10","3","9","1","7","1") = "9"
    & skf18("2","10","3","9","1","8","1") = "9"
    & skf18("2","10","3","9","1","9","1") = "9"
    & skf18("2","10","3","9","1","10","1") = "9"
    & skf18("2","10","3","9","2","1","1") = "9"
    & skf18("2","10","3","9","2","2","1") = "9"
    & skf18("2","10","3","9","2","3","1") = "9"
    & skf18("2","10","3","9","2","4","1") = "9"
    & skf18("2","10","3","9","2","5","1") = "9"
    & skf18("2","10","3","9","2","6","1") = "9"
    & skf18("2","10","3","9","2","7","1") = "9"
    & skf18("2","10","3","9","2","8","1") = "9"
    & skf18("2","10","3","9","2","9","1") = "9"
    & skf18("2","10","3","9","2","10","1") = "9"
    & skf18("2","10","3","9","3","1","1") = "9"
    & skf18("2","10","3","9","3","2","1") = "9"
    & skf18("2","10","3","9","3","3","1") = "9"
    & skf18("2","10","3","9","3","4","1") = "9"
    & skf18("2","10","3","9","3","5","1") = "9"
    & skf18("2","10","3","9","3","6","1") = "9"
    & skf18("2","10","3","9","3","7","1") = "9"
    & skf18("2","10","3","9","3","8","1") = "9"
    & skf18("2","10","3","9","3","9","1") = "9"
    & skf18("2","10","3","9","3","10","1") = "9"
    & skf18("2","10","3","9","4","1","1") = "9"
    & skf18("2","10","3","9","4","2","1") = "9"
    & skf18("2","10","3","9","4","3","1") = "9"
    & skf18("2","10","3","9","4","4","1") = "9"
    & skf18("2","10","3","9","4","5","1") = "9"
    & skf18("2","10","3","9","4","6","1") = "9"
    & skf18("2","10","3","9","4","7","1") = "9"
    & skf18("2","10","3","9","4","8","1") = "9"
    & skf18("2","10","3","9","4","9","1") = "9"
    & skf18("2","10","3","9","4","10","1") = "9"
    & skf18("2","10","3","9","5","1","1") = "9"
    & skf18("2","10","3","9","5","2","1") = "9"
    & skf18("2","10","3","9","5","3","1") = "9"
    & skf18("2","10","3","9","5","4","1") = "9"
    & skf18("2","10","3","9","5","5","1") = "9"
    & skf18("2","10","3","9","5","6","1") = "9"
    & skf18("2","10","3","9","5","7","1") = "9"
    & skf18("2","10","3","9","5","8","1") = "9"
    & skf18("2","10","3","9","5","9","1") = "9"
    & skf18("2","10","3","9","5","10","1") = "9"
    & skf18("2","10","3","9","6","1","1") = "9"
    & skf18("2","10","3","9","6","2","1") = "9"
    & skf18("2","10","3","9","6","3","1") = "9"
    & skf18("2","10","3","9","6","4","1") = "9"
    & skf18("2","10","3","9","6","5","1") = "9"
    & skf18("2","10","3","9","6","6","1") = "9"
    & skf18("2","10","3","9","6","7","1") = "9"
    & skf18("2","10","3","9","6","8","1") = "9"
    & skf18("2","10","3","9","6","9","1") = "9"
    & skf18("2","10","3","9","6","10","1") = "9"
    & skf18("2","10","3","9","7","1","1") = "9"
    & skf18("2","10","3","9","7","2","1") = "9"
    & skf18("2","10","3","9","7","3","1") = "9"
    & skf18("2","10","3","9","7","4","1") = "9"
    & skf18("2","10","3","9","7","5","1") = "9"
    & skf18("2","10","3","9","7","6","1") = "9"
    & skf18("2","10","3","9","7","7","1") = "9"
    & skf18("2","10","3","9","7","8","1") = "9"
    & skf18("2","10","3","9","7","9","1") = "9"
    & skf18("2","10","3","9","7","10","1") = "9"
    & skf18("2","10","3","9","8","1","1") = "9"
    & skf18("2","10","3","9","8","2","1") = "9"
    & skf18("2","10","3","9","8","3","1") = "9"
    & skf18("2","10","3","9","8","4","1") = "9"
    & skf18("2","10","3","9","8","5","1") = "9"
    & skf18("2","10","3","9","8","6","1") = "9"
    & skf18("2","10","3","9","8","7","1") = "9"
    & skf18("2","10","3","9","8","8","1") = "9"
    & skf18("2","10","3","9","8","9","1") = "9"
    & skf18("2","10","3","9","8","10","1") = "9"
    & skf18("2","10","3","9","9","1","1") = "9"
    & skf18("2","10","3","9","9","2","1") = "9"
    & skf18("2","10","3","9","9","3","1") = "9"
    & skf18("2","10","3","9","9","4","1") = "9"
    & skf18("2","10","3","9","9","5","1") = "9"
    & skf18("2","10","3","9","9","6","1") = "9"
    & skf18("2","10","3","9","9","7","1") = "9"
    & skf18("2","10","3","9","9","8","1") = "9"
    & skf18("2","10","3","9","9","9","1") = "9"
    & skf18("2","10","3","9","9","10","1") = "9"
    & skf18("2","10","3","9","10","1","1") = "9"
    & skf18("2","10","3","9","10","2","1") = "9"
    & skf18("2","10","3","9","10","3","1") = "9"
    & skf18("2","10","3","9","10","4","1") = "9"
    & skf18("2","10","3","9","10","5","1") = "9"
    & skf18("2","10","3","9","10","6","1") = "9"
    & skf18("2","10","3","9","10","7","1") = "9"
    & skf18("2","10","3","9","10","8","1") = "9"
    & skf18("2","10","3","9","10","9","1") = "9"
    & skf18("2","10","3","9","10","10","1") = "9"
    & skf18("2","10","3","10","1","1","1") = "9"
    & skf18("2","10","3","10","1","2","1") = "9"
    & skf18("2","10","3","10","1","3","1") = "9"
    & skf18("2","10","3","10","1","4","1") = "9"
    & skf18("2","10","3","10","1","5","1") = "9"
    & skf18("2","10","3","10","1","6","1") = "9"
    & skf18("2","10","3","10","1","7","1") = "9"
    & skf18("2","10","3","10","1","8","1") = "9"
    & skf18("2","10","3","10","1","9","1") = "9"
    & skf18("2","10","3","10","1","10","1") = "9"
    & skf18("2","10","3","10","2","1","1") = "9"
    & skf18("2","10","3","10","2","2","1") = "9"
    & skf18("2","10","3","10","2","3","1") = "9"
    & skf18("2","10","3","10","2","4","1") = "9"
    & skf18("2","10","3","10","2","5","1") = "9"
    & skf18("2","10","3","10","2","6","1") = "9"
    & skf18("2","10","3","10","2","7","1") = "9"
    & skf18("2","10","3","10","2","8","1") = "9"
    & skf18("2","10","3","10","2","9","1") = "9"
    & skf18("2","10","3","10","2","10","1") = "9"
    & skf18("2","10","3","10","3","1","1") = "9"
    & skf18("2","10","3","10","3","2","1") = "9"
    & skf18("2","10","3","10","3","3","1") = "9"
    & skf18("2","10","3","10","3","4","1") = "9"
    & skf18("2","10","3","10","3","5","1") = "9"
    & skf18("2","10","3","10","3","6","1") = "9"
    & skf18("2","10","3","10","3","7","1") = "9"
    & skf18("2","10","3","10","3","8","1") = "9"
    & skf18("2","10","3","10","3","9","1") = "9"
    & skf18("2","10","3","10","3","10","1") = "9"
    & skf18("2","10","3","10","4","1","1") = "9"
    & skf18("2","10","3","10","4","2","1") = "9"
    & skf18("2","10","3","10","4","3","1") = "9"
    & skf18("2","10","3","10","4","4","1") = "9"
    & skf18("2","10","3","10","4","5","1") = "9"
    & skf18("2","10","3","10","4","6","1") = "9"
    & skf18("2","10","3","10","4","7","1") = "9"
    & skf18("2","10","3","10","4","8","1") = "9"
    & skf18("2","10","3","10","4","9","1") = "9"
    & skf18("2","10","3","10","4","10","1") = "9"
    & skf18("2","10","3","10","5","1","1") = "9"
    & skf18("2","10","3","10","5","2","1") = "9"
    & skf18("2","10","3","10","5","3","1") = "9"
    & skf18("2","10","3","10","5","4","1") = "9"
    & skf18("2","10","3","10","5","5","1") = "9"
    & skf18("2","10","3","10","5","6","1") = "9"
    & skf18("2","10","3","10","5","7","1") = "9"
    & skf18("2","10","3","10","5","8","1") = "9"
    & skf18("2","10","3","10","5","9","1") = "9"
    & skf18("2","10","3","10","5","10","1") = "9"
    & skf18("2","10","3","10","6","1","1") = "9"
    & skf18("2","10","3","10","6","2","1") = "9"
    & skf18("2","10","3","10","6","3","1") = "9"
    & skf18("2","10","3","10","6","4","1") = "9"
    & skf18("2","10","3","10","6","5","1") = "9"
    & skf18("2","10","3","10","6","6","1") = "9"
    & skf18("2","10","3","10","6","7","1") = "9"
    & skf18("2","10","3","10","6","8","1") = "9"
    & skf18("2","10","3","10","6","9","1") = "9"
    & skf18("2","10","3","10","6","10","1") = "9"
    & skf18("2","10","3","10","7","1","1") = "9"
    & skf18("2","10","3","10","7","2","1") = "9"
    & skf18("2","10","3","10","7","3","1") = "9"
    & skf18("2","10","3","10","7","4","1") = "9"
    & skf18("2","10","3","10","7","5","1") = "9"
    & skf18("2","10","3","10","7","6","1") = "9"
    & skf18("2","10","3","10","7","7","1") = "9"
    & skf18("2","10","3","10","7","8","1") = "9"
    & skf18("2","10","3","10","7","9","1") = "9"
    & skf18("2","10","3","10","7","10","1") = "9"
    & skf18("2","10","3","10","8","1","1") = "9"
    & skf18("2","10","3","10","8","2","1") = "9"
    & skf18("2","10","3","10","8","3","1") = "9"
    & skf18("2","10","3","10","8","4","1") = "9"
    & skf18("2","10","3","10","8","5","1") = "9"
    & skf18("2","10","3","10","8","6","1") = "9"
    & skf18("2","10","3","10","8","7","1") = "9"
    & skf18("2","10","3","10","8","8","1") = "9"
    & skf18("2","10","3","10","8","9","1") = "9"
    & skf18("2","10","3","10","8","10","1") = "9"
    & skf18("2","10","3","10","9","1","1") = "9"
    & skf18("2","10","3","10","9","2","1") = "9"
    & skf18("2","10","3","10","9","3","1") = "9"
    & skf18("2","10","3","10","9","4","1") = "9"
    & skf18("2","10","3","10","9","5","1") = "9"
    & skf18("2","10","3","10","9","6","1") = "9"
    & skf18("2","10","3","10","9","7","1") = "9"
    & skf18("2","10","3","10","9","8","1") = "9"
    & skf18("2","10","3","10","9","9","1") = "9"
    & skf18("2","10","3","10","9","10","1") = "9"
    & skf18("2","10","3","10","10","1","1") = "9"
    & skf18("2","10","3","10","10","2","1") = "9"
    & skf18("2","10","3","10","10","3","1") = "9"
    & skf18("2","10","3","10","10","4","1") = "9"
    & skf18("2","10","3","10","10","5","1") = "9"
    & skf18("2","10","3","10","10","6","1") = "9"
    & skf18("2","10","3","10","10","7","1") = "9"
    & skf18("2","10","3","10","10","8","1") = "9"
    & skf18("2","10","3","10","10","9","1") = "9"
    & skf18("2","10","3","10","10","10","1") = "9"
    & skf18("2","10","4","1","1","1","1") = "9"
    & skf18("2","10","4","1","1","2","1") = "9"
    & skf18("2","10","4","1","1","3","1") = "9"
    & skf18("2","10","4","1","1","4","1") = "9"
    & skf18("2","10","4","1","1","5","1") = "9"
    & skf18("2","10","4","1","1","6","1") = "9"
    & skf18("2","10","4","1","1","7","1") = "9"
    & skf18("2","10","4","1","1","8","1") = "9"
    & skf18("2","10","4","1","1","9","1") = "9"
    & skf18("2","10","4","1","1","10","1") = "9"
    & skf18("2","10","4","1","2","1","1") = "9"
    & skf18("2","10","4","1","2","2","1") = "9"
    & skf18("2","10","4","1","2","3","1") = "9"
    & skf18("2","10","4","1","2","4","1") = "9"
    & skf18("2","10","4","1","2","5","1") = "9"
    & skf18("2","10","4","1","2","6","1") = "9"
    & skf18("2","10","4","1","2","7","1") = "9"
    & skf18("2","10","4","1","2","8","1") = "9"
    & skf18("2","10","4","1","2","9","1") = "9"
    & skf18("2","10","4","1","2","10","1") = "9"
    & skf18("2","10","4","1","3","1","1") = "9"
    & skf18("2","10","4","1","3","2","1") = "9"
    & skf18("2","10","4","1","3","3","1") = "9"
    & skf18("2","10","4","1","3","4","1") = "9"
    & skf18("2","10","4","1","3","5","1") = "9"
    & skf18("2","10","4","1","3","6","1") = "9"
    & skf18("2","10","4","1","3","7","1") = "9"
    & skf18("2","10","4","1","3","8","1") = "9"
    & skf18("2","10","4","1","3","9","1") = "9"
    & skf18("2","10","4","1","3","10","1") = "9"
    & skf18("2","10","4","1","4","1","1") = "9"
    & skf18("2","10","4","1","4","2","1") = "9"
    & skf18("2","10","4","1","4","3","1") = "9"
    & skf18("2","10","4","1","4","4","1") = "9"
    & skf18("2","10","4","1","4","5","1") = "9"
    & skf18("2","10","4","1","4","6","1") = "9"
    & skf18("2","10","4","1","4","7","1") = "9"
    & skf18("2","10","4","1","4","8","1") = "9"
    & skf18("2","10","4","1","4","9","1") = "9"
    & skf18("2","10","4","1","4","10","1") = "9"
    & skf18("2","10","4","1","5","1","1") = "9"
    & skf18("2","10","4","1","5","2","1") = "9"
    & skf18("2","10","4","1","5","3","1") = "9"
    & skf18("2","10","4","1","5","4","1") = "9"
    & skf18("2","10","4","1","5","5","1") = "9"
    & skf18("2","10","4","1","5","6","1") = "9"
    & skf18("2","10","4","1","5","7","1") = "9"
    & skf18("2","10","4","1","5","8","1") = "9"
    & skf18("2","10","4","1","5","9","1") = "9"
    & skf18("2","10","4","1","5","10","1") = "9"
    & skf18("2","10","4","1","6","1","1") = "9"
    & skf18("2","10","4","1","6","2","1") = "9"
    & skf18("2","10","4","1","6","3","1") = "9"
    & skf18("2","10","4","1","6","4","1") = "9"
    & skf18("2","10","4","1","6","5","1") = "9"
    & skf18("2","10","4","1","6","6","1") = "9"
    & skf18("2","10","4","1","6","7","1") = "9"
    & skf18("2","10","4","1","6","8","1") = "9"
    & skf18("2","10","4","1","6","9","1") = "9"
    & skf18("2","10","4","1","6","10","1") = "9"
    & skf18("2","10","4","1","7","1","1") = "9"
    & skf18("2","10","4","1","7","2","1") = "9"
    & skf18("2","10","4","1","7","3","1") = "9"
    & skf18("2","10","4","1","7","4","1") = "9"
    & skf18("2","10","4","1","7","5","1") = "9"
    & skf18("2","10","4","1","7","6","1") = "9"
    & skf18("2","10","4","1","7","7","1") = "9"
    & skf18("2","10","4","1","7","8","1") = "9"
    & skf18("2","10","4","1","7","9","1") = "9"
    & skf18("2","10","4","1","7","10","1") = "9"
    & skf18("2","10","4","1","8","1","1") = "9"
    & skf18("2","10","4","1","8","2","1") = "9"
    & skf18("2","10","4","1","8","3","1") = "9"
    & skf18("2","10","4","1","8","4","1") = "9"
    & skf18("2","10","4","1","8","5","1") = "9"
    & skf18("2","10","4","1","8","6","1") = "9"
    & skf18("2","10","4","1","8","7","1") = "9"
    & skf18("2","10","4","1","8","8","1") = "9"
    & skf18("2","10","4","1","8","9","1") = "9"
    & skf18("2","10","4","1","8","10","1") = "9"
    & skf18("2","10","4","1","9","1","1") = "9"
    & skf18("2","10","4","1","9","2","1") = "9"
    & skf18("2","10","4","1","9","3","1") = "9"
    & skf18("2","10","4","1","9","4","1") = "9"
    & skf18("2","10","4","1","9","5","1") = "9"
    & skf18("2","10","4","1","9","6","1") = "9"
    & skf18("2","10","4","1","9","7","1") = "9"
    & skf18("2","10","4","1","9","8","1") = "9"
    & skf18("2","10","4","1","9","9","1") = "9"
    & skf18("2","10","4","1","9","10","1") = "9"
    & skf18("2","10","4","1","10","1","1") = "9"
    & skf18("2","10","4","1","10","2","1") = "9"
    & skf18("2","10","4","1","10","3","1") = "9"
    & skf18("2","10","4","1","10","4","1") = "9"
    & skf18("2","10","4","1","10","5","1") = "9"
    & skf18("2","10","4","1","10","6","1") = "9"
    & skf18("2","10","4","1","10","7","1") = "9"
    & skf18("2","10","4","1","10","8","1") = "9"
    & skf18("2","10","4","1","10","9","1") = "9"
    & skf18("2","10","4","1","10","10","1") = "9"
    & skf18("2","10","4","2","1","1","1") = "9"
    & skf18("2","10","4","2","1","2","1") = "9"
    & skf18("2","10","4","2","1","3","1") = "9"
    & skf18("2","10","4","2","1","4","1") = "9"
    & skf18("2","10","4","2","1","5","1") = "9"
    & skf18("2","10","4","2","1","6","1") = "9"
    & skf18("2","10","4","2","1","7","1") = "9"
    & skf18("2","10","4","2","1","8","1") = "9"
    & skf18("2","10","4","2","1","9","1") = "9"
    & skf18("2","10","4","2","1","10","1") = "9"
    & skf18("2","10","4","2","2","1","1") = "9"
    & skf18("2","10","4","2","2","2","1") = "9"
    & skf18("2","10","4","2","2","3","1") = "9"
    & skf18("2","10","4","2","2","4","1") = "9"
    & skf18("2","10","4","2","2","5","1") = "9"
    & skf18("2","10","4","2","2","6","1") = "9"
    & skf18("2","10","4","2","2","7","1") = "9"
    & skf18("2","10","4","2","2","8","1") = "9"
    & skf18("2","10","4","2","2","9","1") = "9"
    & skf18("2","10","4","2","2","10","1") = "9"
    & skf18("2","10","4","2","3","1","1") = "9"
    & skf18("2","10","4","2","3","2","1") = "9"
    & skf18("2","10","4","2","3","3","1") = "9"
    & skf18("2","10","4","2","3","4","1") = "9"
    & skf18("2","10","4","2","3","5","1") = "9"
    & skf18("2","10","4","2","3","6","1") = "9"
    & skf18("2","10","4","2","3","7","1") = "9"
    & skf18("2","10","4","2","3","8","1") = "9"
    & skf18("2","10","4","2","3","9","1") = "9"
    & skf18("2","10","4","2","3","10","1") = "9"
    & skf18("2","10","4","2","4","1","1") = "9"
    & skf18("2","10","4","2","4","2","1") = "9"
    & skf18("2","10","4","2","4","3","1") = "9"
    & skf18("2","10","4","2","4","4","1") = "9"
    & skf18("2","10","4","2","4","5","1") = "9"
    & skf18("2","10","4","2","4","6","1") = "9"
    & skf18("2","10","4","2","4","7","1") = "9"
    & skf18("2","10","4","2","4","8","1") = "9"
    & skf18("2","10","4","2","4","9","1") = "9"
    & skf18("2","10","4","2","4","10","1") = "9"
    & skf18("2","10","4","2","5","1","1") = "9"
    & skf18("2","10","4","2","5","2","1") = "9"
    & skf18("2","10","4","2","5","3","1") = "9"
    & skf18("2","10","4","2","5","4","1") = "9"
    & skf18("2","10","4","2","5","5","1") = "9"
    & skf18("2","10","4","2","5","6","1") = "9"
    & skf18("2","10","4","2","5","7","1") = "9"
    & skf18("2","10","4","2","5","8","1") = "9"
    & skf18("2","10","4","2","5","9","1") = "9"
    & skf18("2","10","4","2","5","10","1") = "9"
    & skf18("2","10","4","2","6","1","1") = "9"
    & skf18("2","10","4","2","6","2","1") = "9"
    & skf18("2","10","4","2","6","3","1") = "9"
    & skf18("2","10","4","2","6","4","1") = "9"
    & skf18("2","10","4","2","6","5","1") = "9"
    & skf18("2","10","4","2","6","6","1") = "9"
    & skf18("2","10","4","2","6","7","1") = "9"
    & skf18("2","10","4","2","6","8","1") = "9"
    & skf18("2","10","4","2","6","9","1") = "9"
    & skf18("2","10","4","2","6","10","1") = "9"
    & skf18("2","10","4","2","7","1","1") = "9"
    & skf18("2","10","4","2","7","2","1") = "9"
    & skf18("2","10","4","2","7","3","1") = "9"
    & skf18("2","10","4","2","7","4","1") = "9"
    & skf18("2","10","4","2","7","5","1") = "9"
    & skf18("2","10","4","2","7","6","1") = "9"
    & skf18("2","10","4","2","7","7","1") = "9"
    & skf18("2","10","4","2","7","8","1") = "9"
    & skf18("2","10","4","2","7","9","1") = "9"
    & skf18("2","10","4","2","7","10","1") = "9"
    & skf18("2","10","4","2","8","1","1") = "9"
    & skf18("2","10","4","2","8","2","1") = "9"
    & skf18("2","10","4","2","8","3","1") = "9"
    & skf18("2","10","4","2","8","4","1") = "9"
    & skf18("2","10","4","2","8","5","1") = "9"
    & skf18("2","10","4","2","8","6","1") = "9"
    & skf18("2","10","4","2","8","7","1") = "9"
    & skf18("2","10","4","2","8","8","1") = "9"
    & skf18("2","10","4","2","8","9","1") = "9"
    & skf18("2","10","4","2","8","10","1") = "9"
    & skf18("2","10","4","2","9","1","1") = "9"
    & skf18("2","10","4","2","9","2","1") = "9"
    & skf18("2","10","4","2","9","3","1") = "9"
    & skf18("2","10","4","2","9","4","1") = "9"
    & skf18("2","10","4","2","9","5","1") = "9"
    & skf18("2","10","4","2","9","6","1") = "9"
    & skf18("2","10","4","2","9","7","1") = "9"
    & skf18("2","10","4","2","9","8","1") = "9"
    & skf18("2","10","4","2","9","9","1") = "9"
    & skf18("2","10","4","2","9","10","1") = "9"
    & skf18("2","10","4","2","10","1","1") = "9"
    & skf18("2","10","4","2","10","2","1") = "9"
    & skf18("2","10","4","2","10","3","1") = "9"
    & skf18("2","10","4","2","10","4","1") = "9"
    & skf18("2","10","4","2","10","5","1") = "9"
    & skf18("2","10","4","2","10","6","1") = "9"
    & skf18("2","10","4","2","10","7","1") = "9"
    & skf18("2","10","4","2","10","8","1") = "9"
    & skf18("2","10","4","2","10","9","1") = "9"
    & skf18("2","10","4","2","10","10","1") = "9"
    & skf18("2","10","4","3","1","1","1") = "9"
    & skf18("2","10","4","3","1","2","1") = "9"
    & skf18("2","10","4","3","1","3","1") = "9"
    & skf18("2","10","4","3","1","4","1") = "9"
    & skf18("2","10","4","3","1","5","1") = "9"
    & skf18("2","10","4","3","1","6","1") = "9"
    & skf18("2","10","4","3","1","7","1") = "9"
    & skf18("2","10","4","3","1","8","1") = "9"
    & skf18("2","10","4","3","1","9","1") = "9"
    & skf18("2","10","4","3","1","10","1") = "9"
    & skf18("2","10","4","3","2","1","1") = "9"
    & skf18("2","10","4","3","2","2","1") = "9"
    & skf18("2","10","4","3","2","3","1") = "9"
    & skf18("2","10","4","3","2","4","1") = "9"
    & skf18("2","10","4","3","2","5","1") = "9"
    & skf18("2","10","4","3","2","6","1") = "9"
    & skf18("2","10","4","3","2","7","1") = "9"
    & skf18("2","10","4","3","2","8","1") = "9"
    & skf18("2","10","4","3","2","9","1") = "9"
    & skf18("2","10","4","3","2","10","1") = "9"
    & skf18("2","10","4","3","3","1","1") = "9"
    & skf18("2","10","4","3","3","2","1") = "9"
    & skf18("2","10","4","3","3","3","1") = "9"
    & skf18("2","10","4","3","3","4","1") = "9"
    & skf18("2","10","4","3","3","5","1") = "9"
    & skf18("2","10","4","3","3","6","1") = "9"
    & skf18("2","10","4","3","3","7","1") = "9"
    & skf18("2","10","4","3","3","8","1") = "9"
    & skf18("2","10","4","3","3","9","1") = "9"
    & skf18("2","10","4","3","3","10","1") = "9"
    & skf18("2","10","4","3","4","1","1") = "9"
    & skf18("2","10","4","3","4","2","1") = "9"
    & skf18("2","10","4","3","4","3","1") = "9"
    & skf18("2","10","4","3","4","4","1") = "9"
    & skf18("2","10","4","3","4","5","1") = "9"
    & skf18("2","10","4","3","4","6","1") = "9"
    & skf18("2","10","4","3","4","7","1") = "9"
    & skf18("2","10","4","3","4","8","1") = "9"
    & skf18("2","10","4","3","4","9","1") = "9"
    & skf18("2","10","4","3","4","10","1") = "9"
    & skf18("2","10","4","3","5","1","1") = "9"
    & skf18("2","10","4","3","5","2","1") = "9"
    & skf18("2","10","4","3","5","3","1") = "9"
    & skf18("2","10","4","3","5","4","1") = "9"
    & skf18("2","10","4","3","5","5","1") = "9"
    & skf18("2","10","4","3","5","6","1") = "9"
    & skf18("2","10","4","3","5","7","1") = "9"
    & skf18("2","10","4","3","5","8","1") = "9"
    & skf18("2","10","4","3","5","9","1") = "9"
    & skf18("2","10","4","3","5","10","1") = "9"
    & skf18("2","10","4","3","6","1","1") = "9"
    & skf18("2","10","4","3","6","2","1") = "9"
    & skf18("2","10","4","3","6","3","1") = "9"
    & skf18("2","10","4","3","6","4","1") = "9"
    & skf18("2","10","4","3","6","5","1") = "9"
    & skf18("2","10","4","3","6","6","1") = "9"
    & skf18("2","10","4","3","6","7","1") = "9"
    & skf18("2","10","4","3","6","8","1") = "9"
    & skf18("2","10","4","3","6","9","1") = "9"
    & skf18("2","10","4","3","6","10","1") = "9"
    & skf18("2","10","4","3","7","1","1") = "9"
    & skf18("2","10","4","3","7","2","1") = "9"
    & skf18("2","10","4","3","7","3","1") = "9"
    & skf18("2","10","4","3","7","4","1") = "9"
    & skf18("2","10","4","3","7","5","1") = "9"
    & skf18("2","10","4","3","7","6","1") = "9"
    & skf18("2","10","4","3","7","7","1") = "9"
    & skf18("2","10","4","3","7","8","1") = "9"
    & skf18("2","10","4","3","7","9","1") = "9"
    & skf18("2","10","4","3","7","10","1") = "9"
    & skf18("2","10","4","3","8","1","1") = "9"
    & skf18("2","10","4","3","8","2","1") = "9"
    & skf18("2","10","4","3","8","3","1") = "9"
    & skf18("2","10","4","3","8","4","1") = "9"
    & skf18("2","10","4","3","8","5","1") = "9"
    & skf18("2","10","4","3","8","6","1") = "9"
    & skf18("2","10","4","3","8","7","1") = "9"
    & skf18("2","10","4","3","8","8","1") = "9"
    & skf18("2","10","4","3","8","9","1") = "9"
    & skf18("2","10","4","3","8","10","1") = "9"
    & skf18("2","10","4","3","9","1","1") = "9"
    & skf18("2","10","4","3","9","2","1") = "9"
    & skf18("2","10","4","3","9","3","1") = "9"
    & skf18("2","10","4","3","9","4","1") = "9"
    & skf18("2","10","4","3","9","5","1") = "9"
    & skf18("2","10","4","3","9","6","1") = "9"
    & skf18("2","10","4","3","9","7","1") = "9"
    & skf18("2","10","4","3","9","8","1") = "9"
    & skf18("2","10","4","3","9","9","1") = "9"
    & skf18("2","10","4","3","9","10","1") = "9"
    & skf18("2","10","4","3","10","1","1") = "9"
    & skf18("2","10","4","3","10","2","1") = "9"
    & skf18("2","10","4","3","10","3","1") = "9"
    & skf18("2","10","4","3","10","4","1") = "9"
    & skf18("2","10","4","3","10","5","1") = "9"
    & skf18("2","10","4","3","10","6","1") = "9"
    & skf18("2","10","4","3","10","7","1") = "9"
    & skf18("2","10","4","3","10","8","1") = "9"
    & skf18("2","10","4","3","10","9","1") = "9"
    & skf18("2","10","4","3","10","10","1") = "9"
    & skf18("2","10","4","4","1","1","1") = "9"
    & skf18("2","10","4","4","1","2","1") = "9"
    & skf18("2","10","4","4","1","3","1") = "9"
    & skf18("2","10","4","4","1","4","1") = "9"
    & skf18("2","10","4","4","1","5","1") = "9"
    & skf18("2","10","4","4","1","6","1") = "9"
    & skf18("2","10","4","4","1","7","1") = "9"
    & skf18("2","10","4","4","1","8","1") = "9"
    & skf18("2","10","4","4","1","9","1") = "9"
    & skf18("2","10","4","4","1","10","1") = "9"
    & skf18("2","10","4","4","2","1","1") = "9"
    & skf18("2","10","4","4","2","2","1") = "9"
    & skf18("2","10","4","4","2","3","1") = "9"
    & skf18("2","10","4","4","2","4","1") = "9"
    & skf18("2","10","4","4","2","5","1") = "9"
    & skf18("2","10","4","4","2","6","1") = "9"
    & skf18("2","10","4","4","2","7","1") = "9"
    & skf18("2","10","4","4","2","8","1") = "9"
    & skf18("2","10","4","4","2","9","1") = "9"
    & skf18("2","10","4","4","2","10","1") = "9"
    & skf18("2","10","4","4","3","1","1") = "9"
    & skf18("2","10","4","4","3","2","1") = "9"
    & skf18("2","10","4","4","3","3","1") = "9"
    & skf18("2","10","4","4","3","4","1") = "9"
    & skf18("2","10","4","4","3","5","1") = "9"
    & skf18("2","10","4","4","3","6","1") = "9"
    & skf18("2","10","4","4","3","7","1") = "9"
    & skf18("2","10","4","4","3","8","1") = "9"
    & skf18("2","10","4","4","3","9","1") = "9"
    & skf18("2","10","4","4","3","10","1") = "9"
    & skf18("2","10","4","4","4","1","1") = "9"
    & skf18("2","10","4","4","4","2","1") = "9"
    & skf18("2","10","4","4","4","3","1") = "9"
    & skf18("2","10","4","4","4","4","1") = "9"
    & skf18("2","10","4","4","4","5","1") = "9"
    & skf18("2","10","4","4","4","6","1") = "9"
    & skf18("2","10","4","4","4","7","1") = "9"
    & skf18("2","10","4","4","4","8","1") = "9"
    & skf18("2","10","4","4","4","9","1") = "9"
    & skf18("2","10","4","4","4","10","1") = "9"
    & skf18("2","10","4","4","5","1","1") = "9"
    & skf18("2","10","4","4","5","2","1") = "9"
    & skf18("2","10","4","4","5","3","1") = "9"
    & skf18("2","10","4","4","5","4","1") = "9"
    & skf18("2","10","4","4","5","5","1") = "9"
    & skf18("2","10","4","4","5","6","1") = "9"
    & skf18("2","10","4","4","5","7","1") = "9"
    & skf18("2","10","4","4","5","8","1") = "9"
    & skf18("2","10","4","4","5","9","1") = "9"
    & skf18("2","10","4","4","5","10","1") = "9"
    & skf18("2","10","4","4","6","1","1") = "9"
    & skf18("2","10","4","4","6","2","1") = "9"
    & skf18("2","10","4","4","6","3","1") = "9"
    & skf18("2","10","4","4","6","4","1") = "9"
    & skf18("2","10","4","4","6","5","1") = "9"
    & skf18("2","10","4","4","6","6","1") = "9"
    & skf18("2","10","4","4","6","7","1") = "9"
    & skf18("2","10","4","4","6","8","1") = "9"
    & skf18("2","10","4","4","6","9","1") = "9"
    & skf18("2","10","4","4","6","10","1") = "9"
    & skf18("2","10","4","4","7","1","1") = "9"
    & skf18("2","10","4","4","7","2","1") = "9"
    & skf18("2","10","4","4","7","3","1") = "9"
    & skf18("2","10","4","4","7","4","1") = "9"
    & skf18("2","10","4","4","7","5","1") = "9"
    & skf18("2","10","4","4","7","6","1") = "9"
    & skf18("2","10","4","4","7","7","1") = "9"
    & skf18("2","10","4","4","7","8","1") = "9"
    & skf18("2","10","4","4","7","9","1") = "9"
    & skf18("2","10","4","4","7","10","1") = "9"
    & skf18("2","10","4","4","8","1","1") = "9"
    & skf18("2","10","4","4","8","2","1") = "9"
    & skf18("2","10","4","4","8","3","1") = "9"
    & skf18("2","10","4","4","8","4","1") = "9"
    & skf18("2","10","4","4","8","5","1") = "9"
    & skf18("2","10","4","4","8","6","1") = "9"
    & skf18("2","10","4","4","8","7","1") = "9"
    & skf18("2","10","4","4","8","8","1") = "9"
    & skf18("2","10","4","4","8","9","1") = "9"
    & skf18("2","10","4","4","8","10","1") = "9"
    & skf18("2","10","4","4","9","1","1") = "9"
    & skf18("2","10","4","4","9","2","1") = "9"
    & skf18("2","10","4","4","9","3","1") = "9"
    & skf18("2","10","4","4","9","4","1") = "9"
    & skf18("2","10","4","4","9","5","1") = "9"
    & skf18("2","10","4","4","9","6","1") = "9"
    & skf18("2","10","4","4","9","7","1") = "9"
    & skf18("2","10","4","4","9","8","1") = "9"
    & skf18("2","10","4","4","9","9","1") = "9"
    & skf18("2","10","4","4","9","10","1") = "9"
    & skf18("2","10","4","4","10","1","1") = "9"
    & skf18("2","10","4","4","10","2","1") = "9"
    & skf18("2","10","4","4","10","3","1") = "9"
    & skf18("2","10","4","4","10","4","1") = "9"
    & skf18("2","10","4","4","10","5","1") = "9"
    & skf18("2","10","4","4","10","6","1") = "9"
    & skf18("2","10","4","4","10","7","1") = "9"
    & skf18("2","10","4","4","10","8","1") = "9"
    & skf18("2","10","4","4","10","9","1") = "9"
    & skf18("2","10","4","4","10","10","1") = "9"
    & skf18("2","10","4","5","1","1","1") = "9"
    & skf18("2","10","4","5","1","2","1") = "9"
    & skf18("2","10","4","5","1","3","1") = "9"
    & skf18("2","10","4","5","1","4","1") = "9"
    & skf18("2","10","4","5","1","5","1") = "9"
    & skf18("2","10","4","5","1","6","1") = "9"
    & skf18("2","10","4","5","1","7","1") = "9"
    & skf18("2","10","4","5","1","8","1") = "9"
    & skf18("2","10","4","5","1","9","1") = "9"
    & skf18("2","10","4","5","1","10","1") = "9"
    & skf18("2","10","4","5","2","1","1") = "9"
    & skf18("2","10","4","5","2","2","1") = "9"
    & skf18("2","10","4","5","2","3","1") = "9"
    & skf18("2","10","4","5","2","4","1") = "9"
    & skf18("2","10","4","5","2","5","1") = "9"
    & skf18("2","10","4","5","2","6","1") = "9"
    & skf18("2","10","4","5","2","7","1") = "9"
    & skf18("2","10","4","5","2","8","1") = "9"
    & skf18("2","10","4","5","2","9","1") = "9"
    & skf18("2","10","4","5","2","10","1") = "9"
    & skf18("2","10","4","5","3","1","1") = "9"
    & skf18("2","10","4","5","3","2","1") = "9"
    & skf18("2","10","4","5","3","3","1") = "9"
    & skf18("2","10","4","5","3","4","1") = "9"
    & skf18("2","10","4","5","3","5","1") = "9"
    & skf18("2","10","4","5","3","6","1") = "9"
    & skf18("2","10","4","5","3","7","1") = "9"
    & skf18("2","10","4","5","3","8","1") = "9"
    & skf18("2","10","4","5","3","9","1") = "9"
    & skf18("2","10","4","5","3","10","1") = "9"
    & skf18("2","10","4","5","4","1","1") = "9"
    & skf18("2","10","4","5","4","2","1") = "9"
    & skf18("2","10","4","5","4","3","1") = "9"
    & skf18("2","10","4","5","4","4","1") = "9"
    & skf18("2","10","4","5","4","5","1") = "9"
    & skf18("2","10","4","5","4","6","1") = "9"
    & skf18("2","10","4","5","4","7","1") = "9"
    & skf18("2","10","4","5","4","8","1") = "9"
    & skf18("2","10","4","5","4","9","1") = "9"
    & skf18("2","10","4","5","4","10","1") = "9"
    & skf18("2","10","4","5","5","1","1") = "9"
    & skf18("2","10","4","5","5","2","1") = "9"
    & skf18("2","10","4","5","5","3","1") = "9"
    & skf18("2","10","4","5","5","4","1") = "9"
    & skf18("2","10","4","5","5","5","1") = "9"
    & skf18("2","10","4","5","5","6","1") = "9"
    & skf18("2","10","4","5","5","7","1") = "9"
    & skf18("2","10","4","5","5","8","1") = "9"
    & skf18("2","10","4","5","5","9","1") = "9"
    & skf18("2","10","4","5","5","10","1") = "9"
    & skf18("2","10","4","5","6","1","1") = "9"
    & skf18("2","10","4","5","6","2","1") = "9"
    & skf18("2","10","4","5","6","3","1") = "9"
    & skf18("2","10","4","5","6","4","1") = "9"
    & skf18("2","10","4","5","6","5","1") = "9"
    & skf18("2","10","4","5","6","6","1") = "9"
    & skf18("2","10","4","5","6","7","1") = "9"
    & skf18("2","10","4","5","6","8","1") = "9"
    & skf18("2","10","4","5","6","9","1") = "9"
    & skf18("2","10","4","5","6","10","1") = "9"
    & skf18("2","10","4","5","7","1","1") = "9"
    & skf18("2","10","4","5","7","2","1") = "9"
    & skf18("2","10","4","5","7","3","1") = "9"
    & skf18("2","10","4","5","7","4","1") = "9"
    & skf18("2","10","4","5","7","5","1") = "9"
    & skf18("2","10","4","5","7","6","1") = "9"
    & skf18("2","10","4","5","7","7","1") = "9"
    & skf18("2","10","4","5","7","8","1") = "9"
    & skf18("2","10","4","5","7","9","1") = "9"
    & skf18("2","10","4","5","7","10","1") = "9"
    & skf18("2","10","4","5","8","1","1") = "9"
    & skf18("2","10","4","5","8","2","1") = "9"
    & skf18("2","10","4","5","8","3","1") = "9"
    & skf18("2","10","4","5","8","4","1") = "9"
    & skf18("2","10","4","5","8","5","1") = "9"
    & skf18("2","10","4","5","8","6","1") = "9"
    & skf18("2","10","4","5","8","7","1") = "9"
    & skf18("2","10","4","5","8","8","1") = "9"
    & skf18("2","10","4","5","8","9","1") = "9"
    & skf18("2","10","4","5","8","10","1") = "9"
    & skf18("2","10","4","5","9","1","1") = "9"
    & skf18("2","10","4","5","9","2","1") = "9"
    & skf18("2","10","4","5","9","3","1") = "9"
    & skf18("2","10","4","5","9","4","1") = "9"
    & skf18("2","10","4","5","9","5","1") = "9"
    & skf18("2","10","4","5","9","6","1") = "9"
    & skf18("2","10","4","5","9","7","1") = "9"
    & skf18("2","10","4","5","9","8","1") = "9"
    & skf18("2","10","4","5","9","9","1") = "9"
    & skf18("2","10","4","5","9","10","1") = "9"
    & skf18("2","10","4","5","10","1","1") = "9"
    & skf18("2","10","4","5","10","2","1") = "9"
    & skf18("2","10","4","5","10","3","1") = "9"
    & skf18("2","10","4","5","10","4","1") = "9"
    & skf18("2","10","4","5","10","5","1") = "9"
    & skf18("2","10","4","5","10","6","1") = "9"
    & skf18("2","10","4","5","10","7","1") = "9"
    & skf18("2","10","4","5","10","8","1") = "9"
    & skf18("2","10","4","5","10","9","1") = "9"
    & skf18("2","10","4","5","10","10","1") = "9"
    & skf18("2","10","4","6","1","1","1") = "9"
    & skf18("2","10","4","6","1","2","1") = "9"
    & skf18("2","10","4","6","1","3","1") = "9"
    & skf18("2","10","4","6","1","4","1") = "9"
    & skf18("2","10","4","6","1","5","1") = "9"
    & skf18("2","10","4","6","1","6","1") = "9"
    & skf18("2","10","4","6","1","7","1") = "9"
    & skf18("2","10","4","6","1","8","1") = "9"
    & skf18("2","10","4","6","1","9","1") = "9"
    & skf18("2","10","4","6","1","10","1") = "9"
    & skf18("2","10","4","6","2","1","1") = "9"
    & skf18("2","10","4","6","2","2","1") = "9"
    & skf18("2","10","4","6","2","3","1") = "9"
    & skf18("2","10","4","6","2","4","1") = "9"
    & skf18("2","10","4","6","2","5","1") = "9"
    & skf18("2","10","4","6","2","6","1") = "9"
    & skf18("2","10","4","6","2","7","1") = "9"
    & skf18("2","10","4","6","2","8","1") = "9"
    & skf18("2","10","4","6","2","9","1") = "9"
    & skf18("2","10","4","6","2","10","1") = "9"
    & skf18("2","10","4","6","3","1","1") = "9"
    & skf18("2","10","4","6","3","2","1") = "9"
    & skf18("2","10","4","6","3","3","1") = "9"
    & skf18("2","10","4","6","3","4","1") = "9"
    & skf18("2","10","4","6","3","5","1") = "9"
    & skf18("2","10","4","6","3","6","1") = "9"
    & skf18("2","10","4","6","3","7","1") = "9"
    & skf18("2","10","4","6","3","8","1") = "9"
    & skf18("2","10","4","6","3","9","1") = "9"
    & skf18("2","10","4","6","3","10","1") = "9"
    & skf18("2","10","4","6","4","1","1") = "9"
    & skf18("2","10","4","6","4","2","1") = "9"
    & skf18("2","10","4","6","4","3","1") = "9"
    & skf18("2","10","4","6","4","4","1") = "9"
    & skf18("2","10","4","6","4","5","1") = "9"
    & skf18("2","10","4","6","4","6","1") = "9"
    & skf18("2","10","4","6","4","7","1") = "9"
    & skf18("2","10","4","6","4","8","1") = "9"
    & skf18("2","10","4","6","4","9","1") = "9"
    & skf18("2","10","4","6","4","10","1") = "9"
    & skf18("2","10","4","6","5","1","1") = "9"
    & skf18("2","10","4","6","5","2","1") = "9"
    & skf18("2","10","4","6","5","3","1") = "9"
    & skf18("2","10","4","6","5","4","1") = "9"
    & skf18("2","10","4","6","5","5","1") = "9"
    & skf18("2","10","4","6","5","6","1") = "9"
    & skf18("2","10","4","6","5","7","1") = "9"
    & skf18("2","10","4","6","5","8","1") = "9"
    & skf18("2","10","4","6","5","9","1") = "9"
    & skf18("2","10","4","6","5","10","1") = "9"
    & skf18("2","10","4","6","6","1","1") = "9"
    & skf18("2","10","4","6","6","2","1") = "9"
    & skf18("2","10","4","6","6","3","1") = "9"
    & skf18("2","10","4","6","6","4","1") = "9"
    & skf18("2","10","4","6","6","5","1") = "9"
    & skf18("2","10","4","6","6","6","1") = "9"
    & skf18("2","10","4","6","6","7","1") = "9"
    & skf18("2","10","4","6","6","8","1") = "9"
    & skf18("2","10","4","6","6","9","1") = "9"
    & skf18("2","10","4","6","6","10","1") = "9"
    & skf18("2","10","4","6","7","1","1") = "9"
    & skf18("2","10","4","6","7","2","1") = "9"
    & skf18("2","10","4","6","7","3","1") = "9"
    & skf18("2","10","4","6","7","4","1") = "9"
    & skf18("2","10","4","6","7","5","1") = "9"
    & skf18("2","10","4","6","7","6","1") = "9"
    & skf18("2","10","4","6","7","7","1") = "9"
    & skf18("2","10","4","6","7","8","1") = "9"
    & skf18("2","10","4","6","7","9","1") = "9"
    & skf18("2","10","4","6","7","10","1") = "9"
    & skf18("2","10","4","6","8","1","1") = "9"
    & skf18("2","10","4","6","8","2","1") = "9"
    & skf18("2","10","4","6","8","3","1") = "9"
    & skf18("2","10","4","6","8","4","1") = "9"
    & skf18("2","10","4","6","8","5","1") = "9"
    & skf18("2","10","4","6","8","6","1") = "9"
    & skf18("2","10","4","6","8","7","1") = "9"
    & skf18("2","10","4","6","8","8","1") = "9"
    & skf18("2","10","4","6","8","9","1") = "9"
    & skf18("2","10","4","6","8","10","1") = "9"
    & skf18("2","10","4","6","9","1","1") = "9"
    & skf18("2","10","4","6","9","2","1") = "9"
    & skf18("2","10","4","6","9","3","1") = "9"
    & skf18("2","10","4","6","9","4","1") = "9"
    & skf18("2","10","4","6","9","5","1") = "9"
    & skf18("2","10","4","6","9","6","1") = "9"
    & skf18("2","10","4","6","9","7","1") = "9"
    & skf18("2","10","4","6","9","8","1") = "9"
    & skf18("2","10","4","6","9","9","1") = "9"
    & skf18("2","10","4","6","9","10","1") = "9"
    & skf18("2","10","4","6","10","1","1") = "9"
    & skf18("2","10","4","6","10","2","1") = "9"
    & skf18("2","10","4","6","10","3","1") = "9"
    & skf18("2","10","4","6","10","4","1") = "9"
    & skf18("2","10","4","6","10","5","1") = "9"
    & skf18("2","10","4","6","10","6","1") = "9"
    & skf18("2","10","4","6","10","7","1") = "9"
    & skf18("2","10","4","6","10","8","1") = "9"
    & skf18("2","10","4","6","10","9","1") = "9"
    & skf18("2","10","4","6","10","10","1") = "9"
    & skf18("2","10","4","7","1","1","1") = "9"
    & skf18("2","10","4","7","1","2","1") = "9"
    & skf18("2","10","4","7","1","3","1") = "9"
    & skf18("2","10","4","7","1","4","1") = "9"
    & skf18("2","10","4","7","1","5","1") = "9"
    & skf18("2","10","4","7","1","6","1") = "9"
    & skf18("2","10","4","7","1","7","1") = "9"
    & skf18("2","10","4","7","1","8","1") = "9"
    & skf18("2","10","4","7","1","9","1") = "9"
    & skf18("2","10","4","7","1","10","1") = "9"
    & skf18("2","10","4","7","2","1","1") = "9"
    & skf18("2","10","4","7","2","2","1") = "9"
    & skf18("2","10","4","7","2","3","1") = "9"
    & skf18("2","10","4","7","2","4","1") = "9"
    & skf18("2","10","4","7","2","5","1") = "9"
    & skf18("2","10","4","7","2","6","1") = "9"
    & skf18("2","10","4","7","2","7","1") = "9"
    & skf18("2","10","4","7","2","8","1") = "9"
    & skf18("2","10","4","7","2","9","1") = "9"
    & skf18("2","10","4","7","2","10","1") = "9"
    & skf18("2","10","4","7","3","1","1") = "9"
    & skf18("2","10","4","7","3","2","1") = "9"
    & skf18("2","10","4","7","3","3","1") = "9"
    & skf18("2","10","4","7","3","4","1") = "9"
    & skf18("2","10","4","7","3","5","1") = "9"
    & skf18("2","10","4","7","3","6","1") = "9"
    & skf18("2","10","4","7","3","7","1") = "9"
    & skf18("2","10","4","7","3","8","1") = "9"
    & skf18("2","10","4","7","3","9","1") = "9"
    & skf18("2","10","4","7","3","10","1") = "9"
    & skf18("2","10","4","7","4","1","1") = "9"
    & skf18("2","10","4","7","4","2","1") = "9"
    & skf18("2","10","4","7","4","3","1") = "9"
    & skf18("2","10","4","7","4","4","1") = "9"
    & skf18("2","10","4","7","4","5","1") = "9"
    & skf18("2","10","4","7","4","6","1") = "9"
    & skf18("2","10","4","7","4","7","1") = "9"
    & skf18("2","10","4","7","4","8","1") = "9"
    & skf18("2","10","4","7","4","9","1") = "9"
    & skf18("2","10","4","7","4","10","1") = "9"
    & skf18("2","10","4","7","5","1","1") = "9"
    & skf18("2","10","4","7","5","2","1") = "9"
    & skf18("2","10","4","7","5","3","1") = "9"
    & skf18("2","10","4","7","5","4","1") = "9"
    & skf18("2","10","4","7","5","5","1") = "9"
    & skf18("2","10","4","7","5","6","1") = "9"
    & skf18("2","10","4","7","5","7","1") = "9"
    & skf18("2","10","4","7","5","8","1") = "9"
    & skf18("2","10","4","7","5","9","1") = "9"
    & skf18("2","10","4","7","5","10","1") = "9"
    & skf18("2","10","4","7","6","1","1") = "9"
    & skf18("2","10","4","7","6","2","1") = "9"
    & skf18("2","10","4","7","6","3","1") = "9"
    & skf18("2","10","4","7","6","4","1") = "9"
    & skf18("2","10","4","7","6","5","1") = "9"
    & skf18("2","10","4","7","6","6","1") = "9"
    & skf18("2","10","4","7","6","7","1") = "9"
    & skf18("2","10","4","7","6","8","1") = "9"
    & skf18("2","10","4","7","6","9","1") = "9"
    & skf18("2","10","4","7","6","10","1") = "9"
    & skf18("2","10","4","7","7","1","1") = "9"
    & skf18("2","10","4","7","7","2","1") = "9"
    & skf18("2","10","4","7","7","3","1") = "9"
    & skf18("2","10","4","7","7","4","1") = "9"
    & skf18("2","10","4","7","7","5","1") = "9"
    & skf18("2","10","4","7","7","6","1") = "9"
    & skf18("2","10","4","7","7","7","1") = "9"
    & skf18("2","10","4","7","7","8","1") = "9"
    & skf18("2","10","4","7","7","9","1") = "9"
    & skf18("2","10","4","7","7","10","1") = "9"
    & skf18("2","10","4","7","8","1","1") = "9"
    & skf18("2","10","4","7","8","2","1") = "9"
    & skf18("2","10","4","7","8","3","1") = "9"
    & skf18("2","10","4","7","8","4","1") = "9"
    & skf18("2","10","4","7","8","5","1") = "9"
    & skf18("2","10","4","7","8","6","1") = "9"
    & skf18("2","10","4","7","8","7","1") = "9"
    & skf18("2","10","4","7","8","8","1") = "9"
    & skf18("2","10","4","7","8","9","1") = "9"
    & skf18("2","10","4","7","8","10","1") = "9"
    & skf18("2","10","4","7","9","1","1") = "9"
    & skf18("2","10","4","7","9","2","1") = "9"
    & skf18("2","10","4","7","9","3","1") = "9"
    & skf18("2","10","4","7","9","4","1") = "9"
    & skf18("2","10","4","7","9","5","1") = "9"
    & skf18("2","10","4","7","9","6","1") = "9"
    & skf18("2","10","4","7","9","7","1") = "9"
    & skf18("2","10","4","7","9","8","1") = "9"
    & skf18("2","10","4","7","9","9","1") = "9"
    & skf18("2","10","4","7","9","10","1") = "9"
    & skf18("2","10","4","7","10","1","1") = "9"
    & skf18("2","10","4","7","10","2","1") = "9"
    & skf18("2","10","4","7","10","3","1") = "9"
    & skf18("2","10","4","7","10","4","1") = "9"
    & skf18("2","10","4","7","10","5","1") = "9"
    & skf18("2","10","4","7","10","6","1") = "9"
    & skf18("2","10","4","7","10","7","1") = "9"
    & skf18("2","10","4","7","10","8","1") = "9"
    & skf18("2","10","4","7","10","9","1") = "9"
    & skf18("2","10","4","7","10","10","1") = "9"
    & skf18("2","10","4","8","1","1","1") = "9"
    & skf18("2","10","4","8","1","2","1") = "9"
    & skf18("2","10","4","8","1","3","1") = "9"
    & skf18("2","10","4","8","1","4","1") = "9"
    & skf18("2","10","4","8","1","5","1") = "9"
    & skf18("2","10","4","8","1","6","1") = "9"
    & skf18("2","10","4","8","1","7","1") = "9"
    & skf18("2","10","4","8","1","8","1") = "9"
    & skf18("2","10","4","8","1","9","1") = "9"
    & skf18("2","10","4","8","1","10","1") = "9"
    & skf18("2","10","4","8","2","1","1") = "9"
    & skf18("2","10","4","8","2","2","1") = "9"
    & skf18("2","10","4","8","2","3","1") = "9"
    & skf18("2","10","4","8","2","4","1") = "9"
    & skf18("2","10","4","8","2","5","1") = "9"
    & skf18("2","10","4","8","2","6","1") = "9"
    & skf18("2","10","4","8","2","7","1") = "9"
    & skf18("2","10","4","8","2","8","1") = "9"
    & skf18("2","10","4","8","2","9","1") = "9"
    & skf18("2","10","4","8","2","10","1") = "9"
    & skf18("2","10","4","8","3","1","1") = "9"
    & skf18("2","10","4","8","3","2","1") = "9"
    & skf18("2","10","4","8","3","3","1") = "9"
    & skf18("2","10","4","8","3","4","1") = "9"
    & skf18("2","10","4","8","3","5","1") = "9"
    & skf18("2","10","4","8","3","6","1") = "9"
    & skf18("2","10","4","8","3","7","1") = "9"
    & skf18("2","10","4","8","3","8","1") = "9"
    & skf18("2","10","4","8","3","9","1") = "9"
    & skf18("2","10","4","8","3","10","1") = "9"
    & skf18("2","10","4","8","4","1","1") = "9"
    & skf18("2","10","4","8","4","2","1") = "9"
    & skf18("2","10","4","8","4","3","1") = "9"
    & skf18("2","10","4","8","4","4","1") = "9"
    & skf18("2","10","4","8","4","5","1") = "9"
    & skf18("2","10","4","8","4","6","1") = "9"
    & skf18("2","10","4","8","4","7","1") = "9"
    & skf18("2","10","4","8","4","8","1") = "9"
    & skf18("2","10","4","8","4","9","1") = "9"
    & skf18("2","10","4","8","4","10","1") = "9"
    & skf18("2","10","4","8","5","1","1") = "9"
    & skf18("2","10","4","8","5","2","1") = "9"
    & skf18("2","10","4","8","5","3","1") = "9"
    & skf18("2","10","4","8","5","4","1") = "9"
    & skf18("2","10","4","8","5","5","1") = "9"
    & skf18("2","10","4","8","5","6","1") = "9"
    & skf18("2","10","4","8","5","7","1") = "9"
    & skf18("2","10","4","8","5","8","1") = "9"
    & skf18("2","10","4","8","5","9","1") = "9"
    & skf18("2","10","4","8","5","10","1") = "9"
    & skf18("2","10","4","8","6","1","1") = "9"
    & skf18("2","10","4","8","6","2","1") = "9"
    & skf18("2","10","4","8","6","3","1") = "9"
    & skf18("2","10","4","8","6","4","1") = "9"
    & skf18("2","10","4","8","6","5","1") = "9"
    & skf18("2","10","4","8","6","6","1") = "9"
    & skf18("2","10","4","8","6","7","1") = "9"
    & skf18("2","10","4","8","6","8","1") = "9"
    & skf18("2","10","4","8","6","9","1") = "9"
    & skf18("2","10","4","8","6","10","1") = "9"
    & skf18("2","10","4","8","7","1","1") = "9"
    & skf18("2","10","4","8","7","2","1") = "9"
    & skf18("2","10","4","8","7","3","1") = "9"
    & skf18("2","10","4","8","7","4","1") = "9"
    & skf18("2","10","4","8","7","5","1") = "9"
    & skf18("2","10","4","8","7","6","1") = "9"
    & skf18("2","10","4","8","7","7","1") = "9"
    & skf18("2","10","4","8","7","8","1") = "9"
    & skf18("2","10","4","8","7","9","1") = "9"
    & skf18("2","10","4","8","7","10","1") = "9"
    & skf18("2","10","4","8","8","1","1") = "9"
    & skf18("2","10","4","8","8","2","1") = "9"
    & skf18("2","10","4","8","8","3","1") = "9"
    & skf18("2","10","4","8","8","4","1") = "9"
    & skf18("2","10","4","8","8","5","1") = "9"
    & skf18("2","10","4","8","8","6","1") = "9"
    & skf18("2","10","4","8","8","7","1") = "9"
    & skf18("2","10","4","8","8","8","1") = "9"
    & skf18("2","10","4","8","8","9","1") = "9"
    & skf18("2","10","4","8","8","10","1") = "9"
    & skf18("2","10","4","8","9","1","1") = "9"
    & skf18("2","10","4","8","9","2","1") = "9"
    & skf18("2","10","4","8","9","3","1") = "9"
    & skf18("2","10","4","8","9","4","1") = "9"
    & skf18("2","10","4","8","9","5","1") = "9"
    & skf18("2","10","4","8","9","6","1") = "9"
    & skf18("2","10","4","8","9","7","1") = "9"
    & skf18("2","10","4","8","9","8","1") = "9"
    & skf18("2","10","4","8","9","9","1") = "9"
    & skf18("2","10","4","8","9","10","1") = "9"
    & skf18("2","10","4","8","10","1","1") = "9"
    & skf18("2","10","4","8","10","2","1") = "9"
    & skf18("2","10","4","8","10","3","1") = "9"
    & skf18("2","10","4","8","10","4","1") = "9"
    & skf18("2","10","4","8","10","5","1") = "9"
    & skf18("2","10","4","8","10","6","1") = "9"
    & skf18("2","10","4","8","10","7","1") = "9"
    & skf18("2","10","4","8","10","8","1") = "9"
    & skf18("2","10","4","8","10","9","1") = "9"
    & skf18("2","10","4","8","10","10","1") = "9"
    & skf18("2","10","4","9","1","1","1") = "9"
    & skf18("2","10","4","9","1","2","1") = "9"
    & skf18("2","10","4","9","1","3","1") = "9"
    & skf18("2","10","4","9","1","4","1") = "9"
    & skf18("2","10","4","9","1","5","1") = "9"
    & skf18("2","10","4","9","1","6","1") = "9"
    & skf18("2","10","4","9","1","7","1") = "9"
    & skf18("2","10","4","9","1","8","1") = "9"
    & skf18("2","10","4","9","1","9","1") = "9"
    & skf18("2","10","4","9","1","10","1") = "9"
    & skf18("2","10","4","9","2","1","1") = "9"
    & skf18("2","10","4","9","2","2","1") = "9"
    & skf18("2","10","4","9","2","3","1") = "9"
    & skf18("2","10","4","9","2","4","1") = "9"
    & skf18("2","10","4","9","2","5","1") = "9"
    & skf18("2","10","4","9","2","6","1") = "9"
    & skf18("2","10","4","9","2","7","1") = "9"
    & skf18("2","10","4","9","2","8","1") = "9"
    & skf18("2","10","4","9","2","9","1") = "9"
    & skf18("2","10","4","9","2","10","1") = "9"
    & skf18("2","10","4","9","3","1","1") = "9"
    & skf18("2","10","4","9","3","2","1") = "9"
    & skf18("2","10","4","9","3","3","1") = "9"
    & skf18("2","10","4","9","3","4","1") = "9"
    & skf18("2","10","4","9","3","5","1") = "9"
    & skf18("2","10","4","9","3","6","1") = "9"
    & skf18("2","10","4","9","3","7","1") = "9"
    & skf18("2","10","4","9","3","8","1") = "9"
    & skf18("2","10","4","9","3","9","1") = "9"
    & skf18("2","10","4","9","3","10","1") = "9"
    & skf18("2","10","4","9","4","1","1") = "9"
    & skf18("2","10","4","9","4","2","1") = "9"
    & skf18("2","10","4","9","4","3","1") = "9"
    & skf18("2","10","4","9","4","4","1") = "9"
    & skf18("2","10","4","9","4","5","1") = "9"
    & skf18("2","10","4","9","4","6","1") = "9"
    & skf18("2","10","4","9","4","7","1") = "9"
    & skf18("2","10","4","9","4","8","1") = "9"
    & skf18("2","10","4","9","4","9","1") = "9"
    & skf18("2","10","4","9","4","10","1") = "9"
    & skf18("2","10","4","9","5","1","1") = "9"
    & skf18("2","10","4","9","5","2","1") = "9"
    & skf18("2","10","4","9","5","3","1") = "9"
    & skf18("2","10","4","9","5","4","1") = "9"
    & skf18("2","10","4","9","5","5","1") = "9"
    & skf18("2","10","4","9","5","6","1") = "9"
    & skf18("2","10","4","9","5","7","1") = "9"
    & skf18("2","10","4","9","5","8","1") = "9"
    & skf18("2","10","4","9","5","9","1") = "9"
    & skf18("2","10","4","9","5","10","1") = "9"
    & skf18("2","10","4","9","6","1","1") = "9"
    & skf18("2","10","4","9","6","2","1") = "9"
    & skf18("2","10","4","9","6","3","1") = "9"
    & skf18("2","10","4","9","6","4","1") = "9"
    & skf18("2","10","4","9","6","5","1") = "9"
    & skf18("2","10","4","9","6","6","1") = "9"
    & skf18("2","10","4","9","6","7","1") = "9"
    & skf18("2","10","4","9","6","8","1") = "9"
    & skf18("2","10","4","9","6","9","1") = "9"
    & skf18("2","10","4","9","6","10","1") = "9"
    & skf18("2","10","4","9","7","1","1") = "9"
    & skf18("2","10","4","9","7","2","1") = "9"
    & skf18("2","10","4","9","7","3","1") = "9"
    & skf18("2","10","4","9","7","4","1") = "9"
    & skf18("2","10","4","9","7","5","1") = "9"
    & skf18("2","10","4","9","7","6","1") = "9"
    & skf18("2","10","4","9","7","7","1") = "9"
    & skf18("2","10","4","9","7","8","1") = "9"
    & skf18("2","10","4","9","7","9","1") = "9"
    & skf18("2","10","4","9","7","10","1") = "9"
    & skf18("2","10","4","9","8","1","1") = "9"
    & skf18("2","10","4","9","8","2","1") = "9"
    & skf18("2","10","4","9","8","3","1") = "9"
    & skf18("2","10","4","9","8","4","1") = "9"
    & skf18("2","10","4","9","8","5","1") = "9"
    & skf18("2","10","4","9","8","6","1") = "9"
    & skf18("2","10","4","9","8","7","1") = "9"
    & skf18("2","10","4","9","8","8","1") = "9"
    & skf18("2","10","4","9","8","9","1") = "9"
    & skf18("2","10","4","9","8","10","1") = "9"
    & skf18("2","10","4","9","9","1","1") = "9"
    & skf18("2","10","4","9","9","2","1") = "9"
    & skf18("2","10","4","9","9","3","1") = "9"
    & skf18("2","10","4","9","9","4","1") = "9"
    & skf18("2","10","4","9","9","5","1") = "9"
    & skf18("2","10","4","9","9","6","1") = "9"
    & skf18("2","10","4","9","9","7","1") = "9"
    & skf18("2","10","4","9","9","8","1") = "9"
    & skf18("2","10","4","9","9","9","1") = "9"
    & skf18("2","10","4","9","9","10","1") = "9"
    & skf18("2","10","4","9","10","1","1") = "9"
    & skf18("2","10","4","9","10","2","1") = "9"
    & skf18("2","10","4","9","10","3","1") = "9"
    & skf18("2","10","4","9","10","4","1") = "9"
    & skf18("2","10","4","9","10","5","1") = "9"
    & skf18("2","10","4","9","10","6","1") = "9"
    & skf18("2","10","4","9","10","7","1") = "9"
    & skf18("2","10","4","9","10","8","1") = "9"
    & skf18("2","10","4","9","10","9","1") = "9"
    & skf18("2","10","4","9","10","10","1") = "9"
    & skf18("2","10","4","10","1","1","1") = "9"
    & skf18("2","10","4","10","1","2","1") = "9"
    & skf18("2","10","4","10","1","3","1") = "9"
    & skf18("2","10","4","10","1","4","1") = "9"
    & skf18("2","10","4","10","1","5","1") = "9"
    & skf18("2","10","4","10","1","6","1") = "9"
    & skf18("2","10","4","10","1","7","1") = "9"
    & skf18("2","10","4","10","1","8","1") = "9"
    & skf18("2","10","4","10","1","9","1") = "9"
    & skf18("2","10","4","10","1","10","1") = "9"
    & skf18("2","10","4","10","2","1","1") = "9"
    & skf18("2","10","4","10","2","2","1") = "9"
    & skf18("2","10","4","10","2","3","1") = "9"
    & skf18("2","10","4","10","2","4","1") = "9"
    & skf18("2","10","4","10","2","5","1") = "9"
    & skf18("2","10","4","10","2","6","1") = "9"
    & skf18("2","10","4","10","2","7","1") = "9"
    & skf18("2","10","4","10","2","8","1") = "9"
    & skf18("2","10","4","10","2","9","1") = "9"
    & skf18("2","10","4","10","2","10","1") = "9"
    & skf18("2","10","4","10","3","1","1") = "9"
    & skf18("2","10","4","10","3","2","1") = "9"
    & skf18("2","10","4","10","3","3","1") = "9"
    & skf18("2","10","4","10","3","4","1") = "9"
    & skf18("2","10","4","10","3","5","1") = "9"
    & skf18("2","10","4","10","3","6","1") = "9"
    & skf18("2","10","4","10","3","7","1") = "9"
    & skf18("2","10","4","10","3","8","1") = "9"
    & skf18("2","10","4","10","3","9","1") = "9"
    & skf18("2","10","4","10","3","10","1") = "9"
    & skf18("2","10","4","10","4","1","1") = "9"
    & skf18("2","10","4","10","4","2","1") = "9"
    & skf18("2","10","4","10","4","3","1") = "9"
    & skf18("2","10","4","10","4","4","1") = "9"
    & skf18("2","10","4","10","4","5","1") = "9"
    & skf18("2","10","4","10","4","6","1") = "9"
    & skf18("2","10","4","10","4","7","1") = "9"
    & skf18("2","10","4","10","4","8","1") = "9"
    & skf18("2","10","4","10","4","9","1") = "9"
    & skf18("2","10","4","10","4","10","1") = "9"
    & skf18("2","10","4","10","5","1","1") = "9"
    & skf18("2","10","4","10","5","2","1") = "9"
    & skf18("2","10","4","10","5","3","1") = "9"
    & skf18("2","10","4","10","5","4","1") = "9"
    & skf18("2","10","4","10","5","5","1") = "9"
    & skf18("2","10","4","10","5","6","1") = "9"
    & skf18("2","10","4","10","5","7","1") = "9"
    & skf18("2","10","4","10","5","8","1") = "9"
    & skf18("2","10","4","10","5","9","1") = "9"
    & skf18("2","10","4","10","5","10","1") = "9"
    & skf18("2","10","4","10","6","1","1") = "9"
    & skf18("2","10","4","10","6","2","1") = "9"
    & skf18("2","10","4","10","6","3","1") = "9"
    & skf18("2","10","4","10","6","4","1") = "9"
    & skf18("2","10","4","10","6","5","1") = "9"
    & skf18("2","10","4","10","6","6","1") = "9"
    & skf18("2","10","4","10","6","7","1") = "9"
    & skf18("2","10","4","10","6","8","1") = "9"
    & skf18("2","10","4","10","6","9","1") = "9"
    & skf18("2","10","4","10","6","10","1") = "9"
    & skf18("2","10","4","10","7","1","1") = "9"
    & skf18("2","10","4","10","7","2","1") = "9"
    & skf18("2","10","4","10","7","3","1") = "9"
    & skf18("2","10","4","10","7","4","1") = "9"
    & skf18("2","10","4","10","7","5","1") = "9"
    & skf18("2","10","4","10","7","6","1") = "9"
    & skf18("2","10","4","10","7","7","1") = "9"
    & skf18("2","10","4","10","7","8","1") = "9"
    & skf18("2","10","4","10","7","9","1") = "9"
    & skf18("2","10","4","10","7","10","1") = "9"
    & skf18("2","10","4","10","8","1","1") = "9"
    & skf18("2","10","4","10","8","2","1") = "9"
    & skf18("2","10","4","10","8","3","1") = "9"
    & skf18("2","10","4","10","8","4","1") = "9"
    & skf18("2","10","4","10","8","5","1") = "9"
    & skf18("2","10","4","10","8","6","1") = "9"
    & skf18("2","10","4","10","8","7","1") = "9"
    & skf18("2","10","4","10","8","8","1") = "9"
    & skf18("2","10","4","10","8","9","1") = "9"
    & skf18("2","10","4","10","8","10","1") = "9"
    & skf18("2","10","4","10","9","1","1") = "9"
    & skf18("2","10","4","10","9","2","1") = "9"
    & skf18("2","10","4","10","9","3","1") = "9"
    & skf18("2","10","4","10","9","4","1") = "9"
    & skf18("2","10","4","10","9","5","1") = "9"
    & skf18("2","10","4","10","9","6","1") = "9"
    & skf18("2","10","4","10","9","7","1") = "9"
    & skf18("2","10","4","10","9","8","1") = "9"
    & skf18("2","10","4","10","9","9","1") = "9"
    & skf18("2","10","4","10","9","10","1") = "9"
    & skf18("2","10","4","10","10","1","1") = "9"
    & skf18("2","10","4","10","10","2","1") = "9"
    & skf18("2","10","4","10","10","3","1") = "9"
    & skf18("2","10","4","10","10","4","1") = "9"
    & skf18("2","10","4","10","10","5","1") = "9"
    & skf18("2","10","4","10","10","6","1") = "9"
    & skf18("2","10","4","10","10","7","1") = "9"
    & skf18("2","10","4","10","10","8","1") = "9"
    & skf18("2","10","4","10","10","9","1") = "9"
    & skf18("2","10","4","10","10","10","1") = "9"
    & skf18("2","10","5","1","1","1","1") = "9"
    & skf18("2","10","5","1","1","2","1") = "9"
    & skf18("2","10","5","1","1","3","1") = "9"
    & skf18("2","10","5","1","1","4","1") = "9"
    & skf18("2","10","5","1","1","5","1") = "9"
    & skf18("2","10","5","1","1","6","1") = "9"
    & skf18("2","10","5","1","1","7","1") = "9"
    & skf18("2","10","5","1","1","8","1") = "9"
    & skf18("2","10","5","1","1","9","1") = "9"
    & skf18("2","10","5","1","1","10","1") = "9"
    & skf18("2","10","5","1","2","1","1") = "9"
    & skf18("2","10","5","1","2","2","1") = "9"
    & skf18("2","10","5","1","2","3","1") = "9"
    & skf18("2","10","5","1","2","4","1") = "9"
    & skf18("2","10","5","1","2","5","1") = "9"
    & skf18("2","10","5","1","2","6","1") = "9"
    & skf18("2","10","5","1","2","7","1") = "9"
    & skf18("2","10","5","1","2","8","1") = "9"
    & skf18("2","10","5","1","2","9","1") = "9"
    & skf18("2","10","5","1","2","10","1") = "9"
    & skf18("2","10","5","1","3","1","1") = "9"
    & skf18("2","10","5","1","3","2","1") = "9"
    & skf18("2","10","5","1","3","3","1") = "9"
    & skf18("2","10","5","1","3","4","1") = "9"
    & skf18("2","10","5","1","3","5","1") = "9"
    & skf18("2","10","5","1","3","6","1") = "9"
    & skf18("2","10","5","1","3","7","1") = "9"
    & skf18("2","10","5","1","3","8","1") = "9"
    & skf18("2","10","5","1","3","9","1") = "9"
    & skf18("2","10","5","1","3","10","1") = "9"
    & skf18("2","10","5","1","4","1","1") = "9"
    & skf18("2","10","5","1","4","2","1") = "9"
    & skf18("2","10","5","1","4","3","1") = "9"
    & skf18("2","10","5","1","4","4","1") = "9"
    & skf18("2","10","5","1","4","5","1") = "9"
    & skf18("2","10","5","1","4","6","1") = "9"
    & skf18("2","10","5","1","4","7","1") = "9"
    & skf18("2","10","5","1","4","8","1") = "9"
    & skf18("2","10","5","1","4","9","1") = "9"
    & skf18("2","10","5","1","4","10","1") = "9"
    & skf18("2","10","5","1","5","1","1") = "9"
    & skf18("2","10","5","1","5","2","1") = "9"
    & skf18("2","10","5","1","5","3","1") = "9"
    & skf18("2","10","5","1","5","4","1") = "9"
    & skf18("2","10","5","1","5","5","1") = "9"
    & skf18("2","10","5","1","5","6","1") = "9"
    & skf18("2","10","5","1","5","7","1") = "9"
    & skf18("2","10","5","1","5","8","1") = "9"
    & skf18("2","10","5","1","5","9","1") = "9"
    & skf18("2","10","5","1","5","10","1") = "9"
    & skf18("2","10","5","1","6","1","1") = "9"
    & skf18("2","10","5","1","6","2","1") = "9"
    & skf18("2","10","5","1","6","3","1") = "9"
    & skf18("2","10","5","1","6","4","1") = "9"
    & skf18("2","10","5","1","6","5","1") = "9"
    & skf18("2","10","5","1","6","6","1") = "9"
    & skf18("2","10","5","1","6","7","1") = "9"
    & skf18("2","10","5","1","6","8","1") = "9"
    & skf18("2","10","5","1","6","9","1") = "9"
    & skf18("2","10","5","1","6","10","1") = "9"
    & skf18("2","10","5","1","7","1","1") = "9"
    & skf18("2","10","5","1","7","2","1") = "9"
    & skf18("2","10","5","1","7","3","1") = "9"
    & skf18("2","10","5","1","7","4","1") = "9"
    & skf18("2","10","5","1","7","5","1") = "9"
    & skf18("2","10","5","1","7","6","1") = "9"
    & skf18("2","10","5","1","7","7","1") = "9"
    & skf18("2","10","5","1","7","8","1") = "9"
    & skf18("2","10","5","1","7","9","1") = "9"
    & skf18("2","10","5","1","7","10","1") = "9"
    & skf18("2","10","5","1","8","1","1") = "9"
    & skf18("2","10","5","1","8","2","1") = "9"
    & skf18("2","10","5","1","8","3","1") = "9"
    & skf18("2","10","5","1","8","4","1") = "9"
    & skf18("2","10","5","1","8","5","1") = "9"
    & skf18("2","10","5","1","8","6","1") = "9"
    & skf18("2","10","5","1","8","7","1") = "9"
    & skf18("2","10","5","1","8","8","1") = "9"
    & skf18("2","10","5","1","8","9","1") = "9"
    & skf18("2","10","5","1","8","10","1") = "9"
    & skf18("2","10","5","1","9","1","1") = "9"
    & skf18("2","10","5","1","9","2","1") = "9"
    & skf18("2","10","5","1","9","3","1") = "9"
    & skf18("2","10","5","1","9","4","1") = "9"
    & skf18("2","10","5","1","9","5","1") = "9"
    & skf18("2","10","5","1","9","6","1") = "9"
    & skf18("2","10","5","1","9","7","1") = "9"
    & skf18("2","10","5","1","9","8","1") = "9"
    & skf18("2","10","5","1","9","9","1") = "9"
    & skf18("2","10","5","1","9","10","1") = "9"
    & skf18("2","10","5","1","10","1","1") = "9"
    & skf18("2","10","5","1","10","2","1") = "9"
    & skf18("2","10","5","1","10","3","1") = "9"
    & skf18("2","10","5","1","10","4","1") = "9"
    & skf18("2","10","5","1","10","5","1") = "9"
    & skf18("2","10","5","1","10","6","1") = "9"
    & skf18("2","10","5","1","10","7","1") = "9"
    & skf18("2","10","5","1","10","8","1") = "9"
    & skf18("2","10","5","1","10","9","1") = "9"
    & skf18("2","10","5","1","10","10","1") = "9"
    & skf18("2","10","5","2","1","1","1") = "9"
    & skf18("2","10","5","2","1","2","1") = "9"
    & skf18("2","10","5","2","1","3","1") = "9"
    & skf18("2","10","5","2","1","4","1") = "9"
    & skf18("2","10","5","2","1","5","1") = "9"
    & skf18("2","10","5","2","1","6","1") = "9"
    & skf18("2","10","5","2","1","7","1") = "9"
    & skf18("2","10","5","2","1","8","1") = "9"
    & skf18("2","10","5","2","1","9","1") = "9"
    & skf18("2","10","5","2","1","10","1") = "9"
    & skf18("2","10","5","2","2","1","1") = "9"
    & skf18("2","10","5","2","2","2","1") = "9"
    & skf18("2","10","5","2","2","3","1") = "9"
    & skf18("2","10","5","2","2","4","1") = "9"
    & skf18("2","10","5","2","2","5","1") = "9"
    & skf18("2","10","5","2","2","6","1") = "9"
    & skf18("2","10","5","2","2","7","1") = "9"
    & skf18("2","10","5","2","2","8","1") = "9"
    & skf18("2","10","5","2","2","9","1") = "9"
    & skf18("2","10","5","2","2","10","1") = "9"
    & skf18("2","10","5","2","3","1","1") = "9"
    & skf18("2","10","5","2","3","2","1") = "9"
    & skf18("2","10","5","2","3","3","1") = "9"
    & skf18("2","10","5","2","3","4","1") = "9"
    & skf18("2","10","5","2","3","5","1") = "9"
    & skf18("2","10","5","2","3","6","1") = "9"
    & skf18("2","10","5","2","3","7","1") = "9"
    & skf18("2","10","5","2","3","8","1") = "9"
    & skf18("2","10","5","2","3","9","1") = "9"
    & skf18("2","10","5","2","3","10","1") = "9"
    & skf18("2","10","5","2","4","1","1") = "9"
    & skf18("2","10","5","2","4","2","1") = "9"
    & skf18("2","10","5","2","4","3","1") = "9"
    & skf18("2","10","5","2","4","4","1") = "9"
    & skf18("2","10","5","2","4","5","1") = "9"
    & skf18("2","10","5","2","4","6","1") = "9"
    & skf18("2","10","5","2","4","7","1") = "9"
    & skf18("2","10","5","2","4","8","1") = "9"
    & skf18("2","10","5","2","4","9","1") = "9"
    & skf18("2","10","5","2","4","10","1") = "9"
    & skf18("2","10","5","2","5","1","1") = "9"
    & skf18("2","10","5","2","5","2","1") = "9"
    & skf18("2","10","5","2","5","3","1") = "9"
    & skf18("2","10","5","2","5","4","1") = "9"
    & skf18("2","10","5","2","5","5","1") = "9"
    & skf18("2","10","5","2","5","6","1") = "9"
    & skf18("2","10","5","2","5","7","1") = "9"
    & skf18("2","10","5","2","5","8","1") = "9"
    & skf18("2","10","5","2","5","9","1") = "9"
    & skf18("2","10","5","2","5","10","1") = "9"
    & skf18("2","10","5","2","6","1","1") = "9"
    & skf18("2","10","5","2","6","2","1") = "9"
    & skf18("2","10","5","2","6","3","1") = "9"
    & skf18("2","10","5","2","6","4","1") = "9"
    & skf18("2","10","5","2","6","5","1") = "9"
    & skf18("2","10","5","2","6","6","1") = "9"
    & skf18("2","10","5","2","6","7","1") = "9"
    & skf18("2","10","5","2","6","8","1") = "9"
    & skf18("2","10","5","2","6","9","1") = "9"
    & skf18("2","10","5","2","6","10","1") = "9"
    & skf18("2","10","5","2","7","1","1") = "9"
    & skf18("2","10","5","2","7","2","1") = "9"
    & skf18("2","10","5","2","7","3","1") = "9"
    & skf18("2","10","5","2","7","4","1") = "9"
    & skf18("2","10","5","2","7","5","1") = "9"
    & skf18("2","10","5","2","7","6","1") = "9"
    & skf18("2","10","5","2","7","7","1") = "9"
    & skf18("2","10","5","2","7","8","1") = "9"
    & skf18("2","10","5","2","7","9","1") = "9"
    & skf18("2","10","5","2","7","10","1") = "9"
    & skf18("2","10","5","2","8","1","1") = "9"
    & skf18("2","10","5","2","8","2","1") = "9"
    & skf18("2","10","5","2","8","3","1") = "9"
    & skf18("2","10","5","2","8","4","1") = "9"
    & skf18("2","10","5","2","8","5","1") = "9"
    & skf18("2","10","5","2","8","6","1") = "9"
    & skf18("2","10","5","2","8","7","1") = "9"
    & skf18("2","10","5","2","8","8","1") = "9"
    & skf18("2","10","5","2","8","9","1") = "9"
    & skf18("2","10","5","2","8","10","1") = "9"
    & skf18("2","10","5","2","9","1","1") = "9"
    & skf18("2","10","5","2","9","2","1") = "9"
    & skf18("2","10","5","2","9","3","1") = "9"
    & skf18("2","10","5","2","9","4","1") = "9"
    & skf18("2","10","5","2","9","5","1") = "9"
    & skf18("2","10","5","2","9","6","1") = "9"
    & skf18("2","10","5","2","9","7","1") = "9"
    & skf18("2","10","5","2","9","8","1") = "9"
    & skf18("2","10","5","2","9","9","1") = "9"
    & skf18("2","10","5","2","9","10","1") = "9"
    & skf18("2","10","5","2","10","1","1") = "9"
    & skf18("2","10","5","2","10","2","1") = "9"
    & skf18("2","10","5","2","10","3","1") = "9"
    & skf18("2","10","5","2","10","4","1") = "9"
    & skf18("2","10","5","2","10","5","1") = "9"
    & skf18("2","10","5","2","10","6","1") = "9"
    & skf18("2","10","5","2","10","7","1") = "9"
    & skf18("2","10","5","2","10","8","1") = "9"
    & skf18("2","10","5","2","10","9","1") = "9"
    & skf18("2","10","5","2","10","10","1") = "9"
    & skf18("2","10","5","3","1","1","1") = "9"
    & skf18("2","10","5","3","1","2","1") = "9"
    & skf18("2","10","5","3","1","3","1") = "9"
    & skf18("2","10","5","3","1","4","1") = "9"
    & skf18("2","10","5","3","1","5","1") = "9"
    & skf18("2","10","5","3","1","6","1") = "9"
    & skf18("2","10","5","3","1","7","1") = "9"
    & skf18("2","10","5","3","1","8","1") = "9"
    & skf18("2","10","5","3","1","9","1") = "9"
    & skf18("2","10","5","3","1","10","1") = "9"
    & skf18("2","10","5","3","2","1","1") = "9"
    & skf18("2","10","5","3","2","2","1") = "9"
    & skf18("2","10","5","3","2","3","1") = "9"
    & skf18("2","10","5","3","2","4","1") = "9"
    & skf18("2","10","5","3","2","5","1") = "9"
    & skf18("2","10","5","3","2","6","1") = "9"
    & skf18("2","10","5","3","2","7","1") = "9"
    & skf18("2","10","5","3","2","8","1") = "9"
    & skf18("2","10","5","3","2","9","1") = "9"
    & skf18("2","10","5","3","2","10","1") = "9"
    & skf18("2","10","5","3","3","1","1") = "9"
    & skf18("2","10","5","3","3","2","1") = "9"
    & skf18("2","10","5","3","3","3","1") = "9"
    & skf18("2","10","5","3","3","4","1") = "9"
    & skf18("2","10","5","3","3","5","1") = "9"
    & skf18("2","10","5","3","3","6","1") = "9"
    & skf18("2","10","5","3","3","7","1") = "9"
    & skf18("2","10","5","3","3","8","1") = "9"
    & skf18("2","10","5","3","3","9","1") = "9"
    & skf18("2","10","5","3","3","10","1") = "9"
    & skf18("2","10","5","3","4","1","1") = "9"
    & skf18("2","10","5","3","4","2","1") = "9"
    & skf18("2","10","5","3","4","3","1") = "9"
    & skf18("2","10","5","3","4","4","1") = "9"
    & skf18("2","10","5","3","4","5","1") = "9"
    & skf18("2","10","5","3","4","6","1") = "9"
    & skf18("2","10","5","3","4","7","1") = "9"
    & skf18("2","10","5","3","4","8","1") = "9"
    & skf18("2","10","5","3","4","9","1") = "9"
    & skf18("2","10","5","3","4","10","1") = "9"
    & skf18("2","10","5","3","5","1","1") = "9"
    & skf18("2","10","5","3","5","2","1") = "9"
    & skf18("2","10","5","3","5","3","1") = "9"
    & skf18("2","10","5","3","5","4","1") = "9"
    & skf18("2","10","5","3","5","5","1") = "9"
    & skf18("2","10","5","3","5","6","1") = "9"
    & skf18("2","10","5","3","5","7","1") = "9"
    & skf18("2","10","5","3","5","8","1") = "9"
    & skf18("2","10","5","3","5","9","1") = "9"
    & skf18("2","10","5","3","5","10","1") = "9"
    & skf18("2","10","5","3","6","1","1") = "9"
    & skf18("2","10","5","3","6","2","1") = "9"
    & skf18("2","10","5","3","6","3","1") = "9"
    & skf18("2","10","5","3","6","4","1") = "9"
    & skf18("2","10","5","3","6","5","1") = "9"
    & skf18("2","10","5","3","6","6","1") = "9"
    & skf18("2","10","5","3","6","7","1") = "9"
    & skf18("2","10","5","3","6","8","1") = "9"
    & skf18("2","10","5","3","6","9","1") = "9"
    & skf18("2","10","5","3","6","10","1") = "9"
    & skf18("2","10","5","3","7","1","1") = "9"
    & skf18("2","10","5","3","7","2","1") = "9"
    & skf18("2","10","5","3","7","3","1") = "9"
    & skf18("2","10","5","3","7","4","1") = "9"
    & skf18("2","10","5","3","7","5","1") = "9"
    & skf18("2","10","5","3","7","6","1") = "9"
    & skf18("2","10","5","3","7","7","1") = "9"
    & skf18("2","10","5","3","7","8","1") = "9"
    & skf18("2","10","5","3","7","9","1") = "9"
    & skf18("2","10","5","3","7","10","1") = "9"
    & skf18("2","10","5","3","8","1","1") = "9"
    & skf18("2","10","5","3","8","2","1") = "9"
    & skf18("2","10","5","3","8","3","1") = "9"
    & skf18("2","10","5","3","8","4","1") = "9"
    & skf18("2","10","5","3","8","5","1") = "9"
    & skf18("2","10","5","3","8","6","1") = "9"
    & skf18("2","10","5","3","8","7","1") = "9"
    & skf18("2","10","5","3","8","8","1") = "9"
    & skf18("2","10","5","3","8","9","1") = "9"
    & skf18("2","10","5","3","8","10","1") = "9"
    & skf18("2","10","5","3","9","1","1") = "9"
    & skf18("2","10","5","3","9","2","1") = "9"
    & skf18("2","10","5","3","9","3","1") = "9"
    & skf18("2","10","5","3","9","4","1") = "9"
    & skf18("2","10","5","3","9","5","1") = "9"
    & skf18("2","10","5","3","9","6","1") = "9"
    & skf18("2","10","5","3","9","7","1") = "9"
    & skf18("2","10","5","3","9","8","1") = "9"
    & skf18("2","10","5","3","9","9","1") = "9"
    & skf18("2","10","5","3","9","10","1") = "9"
    & skf18("2","10","5","3","10","1","1") = "9"
    & skf18("2","10","5","3","10","2","1") = "9"
    & skf18("2","10","5","3","10","3","1") = "9"
    & skf18("2","10","5","3","10","4","1") = "9"
    & skf18("2","10","5","3","10","5","1") = "9"
    & skf18("2","10","5","3","10","6","1") = "9"
    & skf18("2","10","5","3","10","7","1") = "9"
    & skf18("2","10","5","3","10","8","1") = "9"
    & skf18("2","10","5","3","10","9","1") = "9"
    & skf18("2","10","5","3","10","10","1") = "9"
    & skf18("2","10","5","4","1","1","1") = "9"
    & skf18("2","10","5","4","1","2","1") = "9"
    & skf18("2","10","5","4","1","3","1") = "9"
    & skf18("2","10","5","4","1","4","1") = "9"
    & skf18("2","10","5","4","1","5","1") = "9"
    & skf18("2","10","5","4","1","6","1") = "9"
    & skf18("2","10","5","4","1","7","1") = "9"
    & skf18("2","10","5","4","1","8","1") = "9"
    & skf18("2","10","5","4","1","9","1") = "9"
    & skf18("2","10","5","4","1","10","1") = "9"
    & skf18("2","10","5","4","2","1","1") = "9"
    & skf18("2","10","5","4","2","2","1") = "9"
    & skf18("2","10","5","4","2","3","1") = "9"
    & skf18("2","10","5","4","2","4","1") = "9"
    & skf18("2","10","5","4","2","5","1") = "9"
    & skf18("2","10","5","4","2","6","1") = "9"
    & skf18("2","10","5","4","2","7","1") = "9"
    & skf18("2","10","5","4","2","8","1") = "9"
    & skf18("2","10","5","4","2","9","1") = "9"
    & skf18("2","10","5","4","2","10","1") = "9"
    & skf18("2","10","5","4","3","1","1") = "9"
    & skf18("2","10","5","4","3","2","1") = "9"
    & skf18("2","10","5","4","3","3","1") = "9"
    & skf18("2","10","5","4","3","4","1") = "9"
    & skf18("2","10","5","4","3","5","1") = "9"
    & skf18("2","10","5","4","3","6","1") = "9"
    & skf18("2","10","5","4","3","7","1") = "9"
    & skf18("2","10","5","4","3","8","1") = "9"
    & skf18("2","10","5","4","3","9","1") = "9"
    & skf18("2","10","5","4","3","10","1") = "9"
    & skf18("2","10","5","4","4","1","1") = "9"
    & skf18("2","10","5","4","4","2","1") = "9"
    & skf18("2","10","5","4","4","3","1") = "9"
    & skf18("2","10","5","4","4","4","1") = "9"
    & skf18("2","10","5","4","4","5","1") = "9"
    & skf18("2","10","5","4","4","6","1") = "9"
    & skf18("2","10","5","4","4","7","1") = "9"
    & skf18("2","10","5","4","4","8","1") = "9"
    & skf18("2","10","5","4","4","9","1") = "9"
    & skf18("2","10","5","4","4","10","1") = "9"
    & skf18("2","10","5","4","5","1","1") = "9"
    & skf18("2","10","5","4","5","2","1") = "9"
    & skf18("2","10","5","4","5","3","1") = "9"
    & skf18("2","10","5","4","5","4","1") = "9"
    & skf18("2","10","5","4","5","5","1") = "9"
    & skf18("2","10","5","4","5","6","1") = "9"
    & skf18("2","10","5","4","5","7","1") = "9"
    & skf18("2","10","5","4","5","8","1") = "9"
    & skf18("2","10","5","4","5","9","1") = "9"
    & skf18("2","10","5","4","5","10","1") = "9"
    & skf18("2","10","5","4","6","1","1") = "9"
    & skf18("2","10","5","4","6","2","1") = "9"
    & skf18("2","10","5","4","6","3","1") = "9"
    & skf18("2","10","5","4","6","4","1") = "9"
    & skf18("2","10","5","4","6","5","1") = "9"
    & skf18("2","10","5","4","6","6","1") = "9"
    & skf18("2","10","5","4","6","7","1") = "9"
    & skf18("2","10","5","4","6","8","1") = "9"
    & skf18("2","10","5","4","6","9","1") = "9"
    & skf18("2","10","5","4","6","10","1") = "9"
    & skf18("2","10","5","4","7","1","1") = "9"
    & skf18("2","10","5","4","7","2","1") = "9"
    & skf18("2","10","5","4","7","3","1") = "9"
    & skf18("2","10","5","4","7","4","1") = "9"
    & skf18("2","10","5","4","7","5","1") = "9"
    & skf18("2","10","5","4","7","6","1") = "9"
    & skf18("2","10","5","4","7","7","1") = "9"
    & skf18("2","10","5","4","7","8","1") = "9"
    & skf18("2","10","5","4","7","9","1") = "9"
    & skf18("2","10","5","4","7","10","1") = "9"
    & skf18("2","10","5","4","8","1","1") = "9"
    & skf18("2","10","5","4","8","2","1") = "9"
    & skf18("2","10","5","4","8","3","1") = "9"
    & skf18("2","10","5","4","8","4","1") = "9"
    & skf18("2","10","5","4","8","5","1") = "9"
    & skf18("2","10","5","4","8","6","1") = "9"
    & skf18("2","10","5","4","8","7","1") = "9"
    & skf18("2","10","5","4","8","8","1") = "9"
    & skf18("2","10","5","4","8","9","1") = "9"
    & skf18("2","10","5","4","8","10","1") = "9"
    & skf18("2","10","5","4","9","1","1") = "9"
    & skf18("2","10","5","4","9","2","1") = "9"
    & skf18("2","10","5","4","9","3","1") = "9"
    & skf18("2","10","5","4","9","4","1") = "9"
    & skf18("2","10","5","4","9","5","1") = "9"
    & skf18("2","10","5","4","9","6","1") = "9"
    & skf18("2","10","5","4","9","7","1") = "9"
    & skf18("2","10","5","4","9","8","1") = "9"
    & skf18("2","10","5","4","9","9","1") = "9"
    & skf18("2","10","5","4","9","10","1") = "9"
    & skf18("2","10","5","4","10","1","1") = "9"
    & skf18("2","10","5","4","10","2","1") = "9"
    & skf18("2","10","5","4","10","3","1") = "9"
    & skf18("2","10","5","4","10","4","1") = "9"
    & skf18("2","10","5","4","10","5","1") = "9"
    & skf18("2","10","5","4","10","6","1") = "9"
    & skf18("2","10","5","4","10","7","1") = "9"
    & skf18("2","10","5","4","10","8","1") = "9"
    & skf18("2","10","5","4","10","9","1") = "9"
    & skf18("2","10","5","4","10","10","1") = "9"
    & skf18("2","10","5","5","1","1","1") = "9"
    & skf18("2","10","5","5","1","2","1") = "9"
    & skf18("2","10","5","5","1","3","1") = "9"
    & skf18("2","10","5","5","1","4","1") = "9"
    & skf18("2","10","5","5","1","5","1") = "9"
    & skf18("2","10","5","5","1","6","1") = "9"
    & skf18("2","10","5","5","1","7","1") = "9"
    & skf18("2","10","5","5","1","8","1") = "9"
    & skf18("2","10","5","5","1","9","1") = "9"
    & skf18("2","10","5","5","1","10","1") = "9"
    & skf18("2","10","5","5","2","1","1") = "9"
    & skf18("2","10","5","5","2","2","1") = "9"
    & skf18("2","10","5","5","2","3","1") = "9"
    & skf18("2","10","5","5","2","4","1") = "9"
    & skf18("2","10","5","5","2","5","1") = "9"
    & skf18("2","10","5","5","2","6","1") = "9"
    & skf18("2","10","5","5","2","7","1") = "9"
    & skf18("2","10","5","5","2","8","1") = "9"
    & skf18("2","10","5","5","2","9","1") = "9"
    & skf18("2","10","5","5","2","10","1") = "9"
    & skf18("2","10","5","5","3","1","1") = "9"
    & skf18("2","10","5","5","3","2","1") = "9"
    & skf18("2","10","5","5","3","3","1") = "9"
    & skf18("2","10","5","5","3","4","1") = "9"
    & skf18("2","10","5","5","3","5","1") = "9"
    & skf18("2","10","5","5","3","6","1") = "9"
    & skf18("2","10","5","5","3","7","1") = "9"
    & skf18("2","10","5","5","3","8","1") = "9"
    & skf18("2","10","5","5","3","9","1") = "9"
    & skf18("2","10","5","5","3","10","1") = "9"
    & skf18("2","10","5","5","4","1","1") = "9"
    & skf18("2","10","5","5","4","2","1") = "9"
    & skf18("2","10","5","5","4","3","1") = "9"
    & skf18("2","10","5","5","4","4","1") = "9"
    & skf18("2","10","5","5","4","5","1") = "9"
    & skf18("2","10","5","5","4","6","1") = "9"
    & skf18("2","10","5","5","4","7","1") = "9"
    & skf18("2","10","5","5","4","8","1") = "9"
    & skf18("2","10","5","5","4","9","1") = "9"
    & skf18("2","10","5","5","4","10","1") = "9"
    & skf18("2","10","5","5","5","1","1") = "9"
    & skf18("2","10","5","5","5","2","1") = "9"
    & skf18("2","10","5","5","5","3","1") = "9"
    & skf18("2","10","5","5","5","4","1") = "9"
    & skf18("2","10","5","5","5","5","1") = "9"
    & skf18("2","10","5","5","5","6","1") = "9"
    & skf18("2","10","5","5","5","7","1") = "9"
    & skf18("2","10","5","5","5","8","1") = "9"
    & skf18("2","10","5","5","5","9","1") = "9"
    & skf18("2","10","5","5","5","10","1") = "9"
    & skf18("2","10","5","5","6","1","1") = "9"
    & skf18("2","10","5","5","6","2","1") = "9"
    & skf18("2","10","5","5","6","3","1") = "9"
    & skf18("2","10","5","5","6","4","1") = "9"
    & skf18("2","10","5","5","6","5","1") = "9"
    & skf18("2","10","5","5","6","6","1") = "9"
    & skf18("2","10","5","5","6","7","1") = "9"
    & skf18("2","10","5","5","6","8","1") = "9"
    & skf18("2","10","5","5","6","9","1") = "9"
    & skf18("2","10","5","5","6","10","1") = "9"
    & skf18("2","10","5","5","7","1","1") = "9"
    & skf18("2","10","5","5","7","2","1") = "9"
    & skf18("2","10","5","5","7","3","1") = "9"
    & skf18("2","10","5","5","7","4","1") = "9"
    & skf18("2","10","5","5","7","5","1") = "9"
    & skf18("2","10","5","5","7","6","1") = "9"
    & skf18("2","10","5","5","7","7","1") = "9"
    & skf18("2","10","5","5","7","8","1") = "9"
    & skf18("2","10","5","5","7","9","1") = "9"
    & skf18("2","10","5","5","7","10","1") = "9"
    & skf18("2","10","5","5","8","1","1") = "9"
    & skf18("2","10","5","5","8","2","1") = "9"
    & skf18("2","10","5","5","8","3","1") = "9"
    & skf18("2","10","5","5","8","4","1") = "9"
    & skf18("2","10","5","5","8","5","1") = "9"
    & skf18("2","10","5","5","8","6","1") = "9"
    & skf18("2","10","5","5","8","7","1") = "9"
    & skf18("2","10","5","5","8","8","1") = "9"
    & skf18("2","10","5","5","8","9","1") = "9"
    & skf18("2","10","5","5","8","10","1") = "9"
    & skf18("2","10","5","5","9","1","1") = "9"
    & skf18("2","10","5","5","9","2","1") = "9"
    & skf18("2","10","5","5","9","3","1") = "9"
    & skf18("2","10","5","5","9","4","1") = "9"
    & skf18("2","10","5","5","9","5","1") = "9"
    & skf18("2","10","5","5","9","6","1") = "9"
    & skf18("2","10","5","5","9","7","1") = "9"
    & skf18("2","10","5","5","9","8","1") = "9"
    & skf18("2","10","5","5","9","9","1") = "9"
    & skf18("2","10","5","5","9","10","1") = "9"
    & skf18("2","10","5","5","10","1","1") = "9"
    & skf18("2","10","5","5","10","2","1") = "9"
    & skf18("2","10","5","5","10","3","1") = "9"
    & skf18("2","10","5","5","10","4","1") = "9"
    & skf18("2","10","5","5","10","5","1") = "9"
    & skf18("2","10","5","5","10","6","1") = "9"
    & skf18("2","10","5","5","10","7","1") = "9"
    & skf18("2","10","5","5","10","8","1") = "9"
    & skf18("2","10","5","5","10","9","1") = "9"
    & skf18("2","10","5","5","10","10","1") = "9"
    & skf18("2","10","5","6","1","1","1") = "9"
    & skf18("2","10","5","6","1","2","1") = "9"
    & skf18("2","10","5","6","1","3","1") = "9"
    & skf18("2","10","5","6","1","4","1") = "9"
    & skf18("2","10","5","6","1","5","1") = "9"
    & skf18("2","10","5","6","1","6","1") = "9"
    & skf18("2","10","5","6","1","7","1") = "9"
    & skf18("2","10","5","6","1","8","1") = "9"
    & skf18("2","10","5","6","1","9","1") = "9"
    & skf18("2","10","5","6","1","10","1") = "9"
    & skf18("2","10","5","6","2","1","1") = "9"
    & skf18("2","10","5","6","2","2","1") = "9"
    & skf18("2","10","5","6","2","3","1") = "9"
    & skf18("2","10","5","6","2","4","1") = "9"
    & skf18("2","10","5","6","2","5","1") = "9"
    & skf18("2","10","5","6","2","6","1") = "9"
    & skf18("2","10","5","6","2","7","1") = "9"
    & skf18("2","10","5","6","2","8","1") = "9"
    & skf18("2","10","5","6","2","9","1") = "9"
    & skf18("2","10","5","6","2","10","1") = "9"
    & skf18("2","10","5","6","3","1","1") = "9"
    & skf18("2","10","5","6","3","2","1") = "9"
    & skf18("2","10","5","6","3","3","1") = "9"
    & skf18("2","10","5","6","3","4","1") = "9"
    & skf18("2","10","5","6","3","5","1") = "9"
    & skf18("2","10","5","6","3","6","1") = "9"
    & skf18("2","10","5","6","3","7","1") = "9"
    & skf18("2","10","5","6","3","8","1") = "9"
    & skf18("2","10","5","6","3","9","1") = "9"
    & skf18("2","10","5","6","3","10","1") = "9"
    & skf18("2","10","5","6","4","1","1") = "9"
    & skf18("2","10","5","6","4","2","1") = "9"
    & skf18("2","10","5","6","4","3","1") = "9"
    & skf18("2","10","5","6","4","4","1") = "9"
    & skf18("2","10","5","6","4","5","1") = "9"
    & skf18("2","10","5","6","4","6","1") = "9"
    & skf18("2","10","5","6","4","7","1") = "9"
    & skf18("2","10","5","6","4","8","1") = "9"
    & skf18("2","10","5","6","4","9","1") = "9"
    & skf18("2","10","5","6","4","10","1") = "9"
    & skf18("2","10","5","6","5","1","1") = "9"
    & skf18("2","10","5","6","5","2","1") = "9"
    & skf18("2","10","5","6","5","3","1") = "9"
    & skf18("2","10","5","6","5","4","1") = "9"
    & skf18("2","10","5","6","5","5","1") = "9"
    & skf18("2","10","5","6","5","6","1") = "9"
    & skf18("2","10","5","6","5","7","1") = "9"
    & skf18("2","10","5","6","5","8","1") = "9"
    & skf18("2","10","5","6","5","9","1") = "9"
    & skf18("2","10","5","6","5","10","1") = "9"
    & skf18("2","10","5","6","6","1","1") = "9"
    & skf18("2","10","5","6","6","2","1") = "9"
    & skf18("2","10","5","6","6","3","1") = "9"
    & skf18("2","10","5","6","6","4","1") = "9"
    & skf18("2","10","5","6","6","5","1") = "9"
    & skf18("2","10","5","6","6","6","1") = "9"
    & skf18("2","10","5","6","6","7","1") = "9"
    & skf18("2","10","5","6","6","8","1") = "9"
    & skf18("2","10","5","6","6","9","1") = "9"
    & skf18("2","10","5","6","6","10","1") = "9"
    & skf18("2","10","5","6","7","1","1") = "9"
    & skf18("2","10","5","6","7","2","1") = "9"
    & skf18("2","10","5","6","7","3","1") = "9"
    & skf18("2","10","5","6","7","4","1") = "9"
    & skf18("2","10","5","6","7","5","1") = "9"
    & skf18("2","10","5","6","7","6","1") = "9"
    & skf18("2","10","5","6","7","7","1") = "9"
    & skf18("2","10","5","6","7","8","1") = "9"
    & skf18("2","10","5","6","7","9","1") = "9"
    & skf18("2","10","5","6","7","10","1") = "9"
    & skf18("2","10","5","6","8","1","1") = "9"
    & skf18("2","10","5","6","8","2","1") = "9"
    & skf18("2","10","5","6","8","3","1") = "9"
    & skf18("2","10","5","6","8","4","1") = "9"
    & skf18("2","10","5","6","8","5","1") = "9"
    & skf18("2","10","5","6","8","6","1") = "9"
    & skf18("2","10","5","6","8","7","1") = "9"
    & skf18("2","10","5","6","8","8","1") = "9"
    & skf18("2","10","5","6","8","9","1") = "9"
    & skf18("2","10","5","6","8","10","1") = "9"
    & skf18("2","10","5","6","9","1","1") = "9"
    & skf18("2","10","5","6","9","2","1") = "9"
    & skf18("2","10","5","6","9","3","1") = "9"
    & skf18("2","10","5","6","9","4","1") = "9"
    & skf18("2","10","5","6","9","5","1") = "9"
    & skf18("2","10","5","6","9","6","1") = "9"
    & skf18("2","10","5","6","9","7","1") = "9"
    & skf18("2","10","5","6","9","8","1") = "9"
    & skf18("2","10","5","6","9","9","1") = "9"
    & skf18("2","10","5","6","9","10","1") = "9"
    & skf18("2","10","5","6","10","1","1") = "9"
    & skf18("2","10","5","6","10","2","1") = "9"
    & skf18("2","10","5","6","10","3","1") = "9"
    & skf18("2","10","5","6","10","4","1") = "9"
    & skf18("2","10","5","6","10","5","1") = "9"
    & skf18("2","10","5","6","10","6","1") = "9"
    & skf18("2","10","5","6","10","7","1") = "9"
    & skf18("2","10","5","6","10","8","1") = "9"
    & skf18("2","10","5","6","10","9","1") = "9"
    & skf18("2","10","5","6","10","10","1") = "9"
    & skf18("2","10","5","7","1","1","1") = "9"
    & skf18("2","10","5","7","1","2","1") = "9"
    & skf18("2","10","5","7","1","3","1") = "9"
    & skf18("2","10","5","7","1","4","1") = "9"
    & skf18("2","10","5","7","1","5","1") = "9"
    & skf18("2","10","5","7","1","6","1") = "9"
    & skf18("2","10","5","7","1","7","1") = "9"
    & skf18("2","10","5","7","1","8","1") = "9"
    & skf18("2","10","5","7","1","9","1") = "9"
    & skf18("2","10","5","7","1","10","1") = "9"
    & skf18("2","10","5","7","2","1","1") = "9"
    & skf18("2","10","5","7","2","2","1") = "9"
    & skf18("2","10","5","7","2","3","1") = "9"
    & skf18("2","10","5","7","2","4","1") = "9"
    & skf18("2","10","5","7","2","5","1") = "9"
    & skf18("2","10","5","7","2","6","1") = "9"
    & skf18("2","10","5","7","2","7","1") = "9"
    & skf18("2","10","5","7","2","8","1") = "9"
    & skf18("2","10","5","7","2","9","1") = "9"
    & skf18("2","10","5","7","2","10","1") = "9"
    & skf18("2","10","5","7","3","1","1") = "9"
    & skf18("2","10","5","7","3","2","1") = "9"
    & skf18("2","10","5","7","3","3","1") = "9"
    & skf18("2","10","5","7","3","4","1") = "9"
    & skf18("2","10","5","7","3","5","1") = "9"
    & skf18("2","10","5","7","3","6","1") = "9"
    & skf18("2","10","5","7","3","7","1") = "9"
    & skf18("2","10","5","7","3","8","1") = "9"
    & skf18("2","10","5","7","3","9","1") = "9"
    & skf18("2","10","5","7","3","10","1") = "9"
    & skf18("2","10","5","7","4","1","1") = "9"
    & skf18("2","10","5","7","4","2","1") = "9"
    & skf18("2","10","5","7","4","3","1") = "9"
    & skf18("2","10","5","7","4","4","1") = "9"
    & skf18("2","10","5","7","4","5","1") = "9"
    & skf18("2","10","5","7","4","6","1") = "9"
    & skf18("2","10","5","7","4","7","1") = "9"
    & skf18("2","10","5","7","4","8","1") = "9"
    & skf18("2","10","5","7","4","9","1") = "9"
    & skf18("2","10","5","7","4","10","1") = "9"
    & skf18("2","10","5","7","5","1","1") = "9"
    & skf18("2","10","5","7","5","2","1") = "9"
    & skf18("2","10","5","7","5","3","1") = "9"
    & skf18("2","10","5","7","5","4","1") = "9"
    & skf18("2","10","5","7","5","5","1") = "9"
    & skf18("2","10","5","7","5","6","1") = "9"
    & skf18("2","10","5","7","5","7","1") = "9"
    & skf18("2","10","5","7","5","8","1") = "9"
    & skf18("2","10","5","7","5","9","1") = "9"
    & skf18("2","10","5","7","5","10","1") = "9"
    & skf18("2","10","5","7","6","1","1") = "9"
    & skf18("2","10","5","7","6","2","1") = "9"
    & skf18("2","10","5","7","6","3","1") = "9"
    & skf18("2","10","5","7","6","4","1") = "9"
    & skf18("2","10","5","7","6","5","1") = "9"
    & skf18("2","10","5","7","6","6","1") = "9"
    & skf18("2","10","5","7","6","7","1") = "9"
    & skf18("2","10","5","7","6","8","1") = "9"
    & skf18("2","10","5","7","6","9","1") = "9"
    & skf18("2","10","5","7","6","10","1") = "9"
    & skf18("2","10","5","7","7","1","1") = "9"
    & skf18("2","10","5","7","7","2","1") = "9"
    & skf18("2","10","5","7","7","3","1") = "9"
    & skf18("2","10","5","7","7","4","1") = "9"
    & skf18("2","10","5","7","7","5","1") = "9"
    & skf18("2","10","5","7","7","6","1") = "9"
    & skf18("2","10","5","7","7","7","1") = "9"
    & skf18("2","10","5","7","7","8","1") = "9"
    & skf18("2","10","5","7","7","9","1") = "9"
    & skf18("2","10","5","7","7","10","1") = "9"
    & skf18("2","10","5","7","8","1","1") = "9"
    & skf18("2","10","5","7","8","2","1") = "9"
    & skf18("2","10","5","7","8","3","1") = "9"
    & skf18("2","10","5","7","8","4","1") = "9"
    & skf18("2","10","5","7","8","5","1") = "9"
    & skf18("2","10","5","7","8","6","1") = "9"
    & skf18("2","10","5","7","8","7","1") = "9"
    & skf18("2","10","5","7","8","8","1") = "9"
    & skf18("2","10","5","7","8","9","1") = "9"
    & skf18("2","10","5","7","8","10","1") = "9"
    & skf18("2","10","5","7","9","1","1") = "9"
    & skf18("2","10","5","7","9","2","1") = "9"
    & skf18("2","10","5","7","9","3","1") = "9"
    & skf18("2","10","5","7","9","4","1") = "9"
    & skf18("2","10","5","7","9","5","1") = "9"
    & skf18("2","10","5","7","9","6","1") = "9"
    & skf18("2","10","5","7","9","7","1") = "9"
    & skf18("2","10","5","7","9","8","1") = "9"
    & skf18("2","10","5","7","9","9","1") = "9"
    & skf18("2","10","5","7","9","10","1") = "9"
    & skf18("2","10","5","7","10","1","1") = "9"
    & skf18("2","10","5","7","10","2","1") = "9"
    & skf18("2","10","5","7","10","3","1") = "9"
    & skf18("2","10","5","7","10","4","1") = "9"
    & skf18("2","10","5","7","10","5","1") = "9"
    & skf18("2","10","5","7","10","6","1") = "9"
    & skf18("2","10","5","7","10","7","1") = "9"
    & skf18("2","10","5","7","10","8","1") = "9"
    & skf18("2","10","5","7","10","9","1") = "9"
    & skf18("2","10","5","7","10","10","1") = "9"
    & skf18("2","10","5","8","1","1","1") = "9"
    & skf18("2","10","5","8","1","2","1") = "9"
    & skf18("2","10","5","8","1","3","1") = "9"
    & skf18("2","10","5","8","1","4","1") = "9"
    & skf18("2","10","5","8","1","5","1") = "9"
    & skf18("2","10","5","8","1","6","1") = "9"
    & skf18("2","10","5","8","1","7","1") = "9"
    & skf18("2","10","5","8","1","8","1") = "9"
    & skf18("2","10","5","8","1","9","1") = "9"
    & skf18("2","10","5","8","1","10","1") = "9"
    & skf18("2","10","5","8","2","1","1") = "9"
    & skf18("2","10","5","8","2","2","1") = "9"
    & skf18("2","10","5","8","2","3","1") = "9"
    & skf18("2","10","5","8","2","4","1") = "9"
    & skf18("2","10","5","8","2","5","1") = "9"
    & skf18("2","10","5","8","2","6","1") = "9"
    & skf18("2","10","5","8","2","7","1") = "9"
    & skf18("2","10","5","8","2","8","1") = "9"
    & skf18("2","10","5","8","2","9","1") = "9"
    & skf18("2","10","5","8","2","10","1") = "9"
    & skf18("2","10","5","8","3","1","1") = "9"
    & skf18("2","10","5","8","3","2","1") = "9"
    & skf18("2","10","5","8","3","3","1") = "9"
    & skf18("2","10","5","8","3","4","1") = "9"
    & skf18("2","10","5","8","3","5","1") = "9"
    & skf18("2","10","5","8","3","6","1") = "9"
    & skf18("2","10","5","8","3","7","1") = "9"
    & skf18("2","10","5","8","3","8","1") = "9"
    & skf18("2","10","5","8","3","9","1") = "9"
    & skf18("2","10","5","8","3","10","1") = "9"
    & skf18("2","10","5","8","4","1","1") = "9"
    & skf18("2","10","5","8","4","2","1") = "9"
    & skf18("2","10","5","8","4","3","1") = "9"
    & skf18("2","10","5","8","4","4","1") = "9"
    & skf18("2","10","5","8","4","5","1") = "9"
    & skf18("2","10","5","8","4","6","1") = "9"
    & skf18("2","10","5","8","4","7","1") = "9"
    & skf18("2","10","5","8","4","8","1") = "9"
    & skf18("2","10","5","8","4","9","1") = "9"
    & skf18("2","10","5","8","4","10","1") = "9"
    & skf18("2","10","5","8","5","1","1") = "9"
    & skf18("2","10","5","8","5","2","1") = "9"
    & skf18("2","10","5","8","5","3","1") = "9"
    & skf18("2","10","5","8","5","4","1") = "9"
    & skf18("2","10","5","8","5","5","1") = "9"
    & skf18("2","10","5","8","5","6","1") = "9"
    & skf18("2","10","5","8","5","7","1") = "9"
    & skf18("2","10","5","8","5","8","1") = "9"
    & skf18("2","10","5","8","5","9","1") = "9"
    & skf18("2","10","5","8","5","10","1") = "9"
    & skf18("2","10","5","8","6","1","1") = "9"
    & skf18("2","10","5","8","6","2","1") = "9"
    & skf18("2","10","5","8","6","3","1") = "9"
    & skf18("2","10","5","8","6","4","1") = "9"
    & skf18("2","10","5","8","6","5","1") = "9"
    & skf18("2","10","5","8","6","6","1") = "9"
    & skf18("2","10","5","8","6","7","1") = "9"
    & skf18("2","10","5","8","6","8","1") = "9"
    & skf18("2","10","5","8","6","9","1") = "9"
    & skf18("2","10","5","8","6","10","1") = "9"
    & skf18("2","10","5","8","7","1","1") = "9"
    & skf18("2","10","5","8","7","2","1") = "9"
    & skf18("2","10","5","8","7","3","1") = "9"
    & skf18("2","10","5","8","7","4","1") = "9"
    & skf18("2","10","5","8","7","5","1") = "9"
    & skf18("2","10","5","8","7","6","1") = "9"
    & skf18("2","10","5","8","7","7","1") = "9"
    & skf18("2","10","5","8","7","8","1") = "9"
    & skf18("2","10","5","8","7","9","1") = "9"
    & skf18("2","10","5","8","7","10","1") = "9"
    & skf18("2","10","5","8","8","1","1") = "9"
    & skf18("2","10","5","8","8","2","1") = "9"
    & skf18("2","10","5","8","8","3","1") = "9"
    & skf18("2","10","5","8","8","4","1") = "9"
    & skf18("2","10","5","8","8","5","1") = "9"
    & skf18("2","10","5","8","8","6","1") = "9"
    & skf18("2","10","5","8","8","7","1") = "9"
    & skf18("2","10","5","8","8","8","1") = "9"
    & skf18("2","10","5","8","8","9","1") = "9"
    & skf18("2","10","5","8","8","10","1") = "9"
    & skf18("2","10","5","8","9","1","1") = "9"
    & skf18("2","10","5","8","9","2","1") = "9"
    & skf18("2","10","5","8","9","3","1") = "9"
    & skf18("2","10","5","8","9","4","1") = "9"
    & skf18("2","10","5","8","9","5","1") = "9"
    & skf18("2","10","5","8","9","6","1") = "9"
    & skf18("2","10","5","8","9","7","1") = "9"
    & skf18("2","10","5","8","9","8","1") = "9"
    & skf18("2","10","5","8","9","9","1") = "9"
    & skf18("2","10","5","8","9","10","1") = "9"
    & skf18("2","10","5","8","10","1","1") = "9"
    & skf18("2","10","5","8","10","2","1") = "9"
    & skf18("2","10","5","8","10","3","1") = "9"
    & skf18("2","10","5","8","10","4","1") = "9"
    & skf18("2","10","5","8","10","5","1") = "9"
    & skf18("2","10","5","8","10","6","1") = "9"
    & skf18("2","10","5","8","10","7","1") = "9"
    & skf18("2","10","5","8","10","8","1") = "9"
    & skf18("2","10","5","8","10","9","1") = "9"
    & skf18("2","10","5","8","10","10","1") = "9"
    & skf18("2","10","5","9","1","1","1") = "9"
    & skf18("2","10","5","9","1","2","1") = "9"
    & skf18("2","10","5","9","1","3","1") = "9"
    & skf18("2","10","5","9","1","4","1") = "9"
    & skf18("2","10","5","9","1","5","1") = "9"
    & skf18("2","10","5","9","1","6","1") = "9"
    & skf18("2","10","5","9","1","7","1") = "9"
    & skf18("2","10","5","9","1","8","1") = "9"
    & skf18("2","10","5","9","1","9","1") = "9"
    & skf18("2","10","5","9","1","10","1") = "9"
    & skf18("2","10","5","9","2","1","1") = "9"
    & skf18("2","10","5","9","2","2","1") = "9"
    & skf18("2","10","5","9","2","3","1") = "9"
    & skf18("2","10","5","9","2","4","1") = "9"
    & skf18("2","10","5","9","2","5","1") = "9"
    & skf18("2","10","5","9","2","6","1") = "9"
    & skf18("2","10","5","9","2","7","1") = "9"
    & skf18("2","10","5","9","2","8","1") = "9"
    & skf18("2","10","5","9","2","9","1") = "9"
    & skf18("2","10","5","9","2","10","1") = "9"
    & skf18("2","10","5","9","3","1","1") = "9"
    & skf18("2","10","5","9","3","2","1") = "9"
    & skf18("2","10","5","9","3","3","1") = "9"
    & skf18("2","10","5","9","3","4","1") = "9"
    & skf18("2","10","5","9","3","5","1") = "9"
    & skf18("2","10","5","9","3","6","1") = "9"
    & skf18("2","10","5","9","3","7","1") = "9"
    & skf18("2","10","5","9","3","8","1") = "9"
    & skf18("2","10","5","9","3","9","1") = "9"
    & skf18("2","10","5","9","3","10","1") = "9"
    & skf18("2","10","5","9","4","1","1") = "9"
    & skf18("2","10","5","9","4","2","1") = "9"
    & skf18("2","10","5","9","4","3","1") = "9"
    & skf18("2","10","5","9","4","4","1") = "9"
    & skf18("2","10","5","9","4","5","1") = "9"
    & skf18("2","10","5","9","4","6","1") = "9"
    & skf18("2","10","5","9","4","7","1") = "9"
    & skf18("2","10","5","9","4","8","1") = "9"
    & skf18("2","10","5","9","4","9","1") = "9"
    & skf18("2","10","5","9","4","10","1") = "9"
    & skf18("2","10","5","9","5","1","1") = "9"
    & skf18("2","10","5","9","5","2","1") = "9"
    & skf18("2","10","5","9","5","3","1") = "9"
    & skf18("2","10","5","9","5","4","1") = "9"
    & skf18("2","10","5","9","5","5","1") = "9"
    & skf18("2","10","5","9","5","6","1") = "9"
    & skf18("2","10","5","9","5","7","1") = "9"
    & skf18("2","10","5","9","5","8","1") = "9"
    & skf18("2","10","5","9","5","9","1") = "9"
    & skf18("2","10","5","9","5","10","1") = "9"
    & skf18("2","10","5","9","6","1","1") = "9"
    & skf18("2","10","5","9","6","2","1") = "9"
    & skf18("2","10","5","9","6","3","1") = "9"
    & skf18("2","10","5","9","6","4","1") = "9"
    & skf18("2","10","5","9","6","5","1") = "9"
    & skf18("2","10","5","9","6","6","1") = "9"
    & skf18("2","10","5","9","6","7","1") = "9"
    & skf18("2","10","5","9","6","8","1") = "9"
    & skf18("2","10","5","9","6","9","1") = "9"
    & skf18("2","10","5","9","6","10","1") = "9"
    & skf18("2","10","5","9","7","1","1") = "9"
    & skf18("2","10","5","9","7","2","1") = "9"
    & skf18("2","10","5","9","7","3","1") = "9"
    & skf18("2","10","5","9","7","4","1") = "9"
    & skf18("2","10","5","9","7","5","1") = "9"
    & skf18("2","10","5","9","7","6","1") = "9"
    & skf18("2","10","5","9","7","7","1") = "9"
    & skf18("2","10","5","9","7","8","1") = "9"
    & skf18("2","10","5","9","7","9","1") = "9"
    & skf18("2","10","5","9","7","10","1") = "9"
    & skf18("2","10","5","9","8","1","1") = "9"
    & skf18("2","10","5","9","8","2","1") = "9"
    & skf18("2","10","5","9","8","3","1") = "9"
    & skf18("2","10","5","9","8","4","1") = "9"
    & skf18("2","10","5","9","8","5","1") = "9"
    & skf18("2","10","5","9","8","6","1") = "9"
    & skf18("2","10","5","9","8","7","1") = "9"
    & skf18("2","10","5","9","8","8","1") = "9"
    & skf18("2","10","5","9","8","9","1") = "9"
    & skf18("2","10","5","9","8","10","1") = "9"
    & skf18("2","10","5","9","9","1","1") = "9"
    & skf18("2","10","5","9","9","2","1") = "9"
    & skf18("2","10","5","9","9","3","1") = "9"
    & skf18("2","10","5","9","9","4","1") = "9"
    & skf18("2","10","5","9","9","5","1") = "9"
    & skf18("2","10","5","9","9","6","1") = "9"
    & skf18("2","10","5","9","9","7","1") = "9"
    & skf18("2","10","5","9","9","8","1") = "9"
    & skf18("2","10","5","9","9","9","1") = "9"
    & skf18("2","10","5","9","9","10","1") = "9"
    & skf18("2","10","5","9","10","1","1") = "9"
    & skf18("2","10","5","9","10","2","1") = "9"
    & skf18("2","10","5","9","10","3","1") = "9"
    & skf18("2","10","5","9","10","4","1") = "9"
    & skf18("2","10","5","9","10","5","1") = "9"
    & skf18("2","10","5","9","10","6","1") = "9"
    & skf18("2","10","5","9","10","7","1") = "9"
    & skf18("2","10","5","9","10","8","1") = "9"
    & skf18("2","10","5","9","10","9","1") = "9"
    & skf18("2","10","5","9","10","10","1") = "9"
    & skf18("2","10","5","10","1","1","1") = "9"
    & skf18("2","10","5","10","1","2","1") = "9"
    & skf18("2","10","5","10","1","3","1") = "9"
    & skf18("2","10","5","10","1","4","1") = "9"
    & skf18("2","10","5","10","1","5","1") = "9"
    & skf18("2","10","5","10","1","6","1") = "9"
    & skf18("2","10","5","10","1","7","1") = "9"
    & skf18("2","10","5","10","1","8","1") = "9"
    & skf18("2","10","5","10","1","9","1") = "9"
    & skf18("2","10","5","10","1","10","1") = "9"
    & skf18("2","10","5","10","2","1","1") = "9"
    & skf18("2","10","5","10","2","2","1") = "9"
    & skf18("2","10","5","10","2","3","1") = "9"
    & skf18("2","10","5","10","2","4","1") = "9"
    & skf18("2","10","5","10","2","5","1") = "9"
    & skf18("2","10","5","10","2","6","1") = "9"
    & skf18("2","10","5","10","2","7","1") = "9"
    & skf18("2","10","5","10","2","8","1") = "9"
    & skf18("2","10","5","10","2","9","1") = "9"
    & skf18("2","10","5","10","2","10","1") = "9"
    & skf18("2","10","5","10","3","1","1") = "9"
    & skf18("2","10","5","10","3","2","1") = "9"
    & skf18("2","10","5","10","3","3","1") = "9"
    & skf18("2","10","5","10","3","4","1") = "9"
    & skf18("2","10","5","10","3","5","1") = "9"
    & skf18("2","10","5","10","3","6","1") = "9"
    & skf18("2","10","5","10","3","7","1") = "9"
    & skf18("2","10","5","10","3","8","1") = "9"
    & skf18("2","10","5","10","3","9","1") = "9"
    & skf18("2","10","5","10","3","10","1") = "9"
    & skf18("2","10","5","10","4","1","1") = "9"
    & skf18("2","10","5","10","4","2","1") = "9"
    & skf18("2","10","5","10","4","3","1") = "9"
    & skf18("2","10","5","10","4","4","1") = "9"
    & skf18("2","10","5","10","4","5","1") = "9"
    & skf18("2","10","5","10","4","6","1") = "9"
    & skf18("2","10","5","10","4","7","1") = "9"
    & skf18("2","10","5","10","4","8","1") = "9"
    & skf18("2","10","5","10","4","9","1") = "9"
    & skf18("2","10","5","10","4","10","1") = "9"
    & skf18("2","10","5","10","5","1","1") = "9"
    & skf18("2","10","5","10","5","2","1") = "9"
    & skf18("2","10","5","10","5","3","1") = "9"
    & skf18("2","10","5","10","5","4","1") = "9"
    & skf18("2","10","5","10","5","5","1") = "9"
    & skf18("2","10","5","10","5","6","1") = "9"
    & skf18("2","10","5","10","5","7","1") = "9"
    & skf18("2","10","5","10","5","8","1") = "9"
    & skf18("2","10","5","10","5","9","1") = "9"
    & skf18("2","10","5","10","5","10","1") = "9"
    & skf18("2","10","5","10","6","1","1") = "9"
    & skf18("2","10","5","10","6","2","1") = "9"
    & skf18("2","10","5","10","6","3","1") = "9"
    & skf18("2","10","5","10","6","4","1") = "9"
    & skf18("2","10","5","10","6","5","1") = "9"
    & skf18("2","10","5","10","6","6","1") = "9"
    & skf18("2","10","5","10","6","7","1") = "9"
    & skf18("2","10","5","10","6","8","1") = "9"
    & skf18("2","10","5","10","6","9","1") = "9"
    & skf18("2","10","5","10","6","10","1") = "9"
    & skf18("2","10","5","10","7","1","1") = "9"
    & skf18("2","10","5","10","7","2","1") = "9"
    & skf18("2","10","5","10","7","3","1") = "9"
    & skf18("2","10","5","10","7","4","1") = "9"
    & skf18("2","10","5","10","7","5","1") = "9"
    & skf18("2","10","5","10","7","6","1") = "9"
    & skf18("2","10","5","10","7","7","1") = "9"
    & skf18("2","10","5","10","7","8","1") = "9"
    & skf18("2","10","5","10","7","9","1") = "9"
    & skf18("2","10","5","10","7","10","1") = "9"
    & skf18("2","10","5","10","8","1","1") = "9"
    & skf18("2","10","5","10","8","2","1") = "9"
    & skf18("2","10","5","10","8","3","1") = "9"
    & skf18("2","10","5","10","8","4","1") = "9"
    & skf18("2","10","5","10","8","5","1") = "9"
    & skf18("2","10","5","10","8","6","1") = "9"
    & skf18("2","10","5","10","8","7","1") = "9"
    & skf18("2","10","5","10","8","8","1") = "9"
    & skf18("2","10","5","10","8","9","1") = "9"
    & skf18("2","10","5","10","8","10","1") = "9"
    & skf18("2","10","5","10","9","1","1") = "9"
    & skf18("2","10","5","10","9","2","1") = "9"
    & skf18("2","10","5","10","9","3","1") = "9"
    & skf18("2","10","5","10","9","4","1") = "9"
    & skf18("2","10","5","10","9","5","1") = "9"
    & skf18("2","10","5","10","9","6","1") = "9"
    & skf18("2","10","5","10","9","7","1") = "9"
    & skf18("2","10","5","10","9","8","1") = "9"
    & skf18("2","10","5","10","9","9","1") = "9"
    & skf18("2","10","5","10","9","10","1") = "9"
    & skf18("2","10","5","10","10","1","1") = "9"
    & skf18("2","10","5","10","10","2","1") = "9"
    & skf18("2","10","5","10","10","3","1") = "9"
    & skf18("2","10","5","10","10","4","1") = "9"
    & skf18("2","10","5","10","10","5","1") = "9"
    & skf18("2","10","5","10","10","6","1") = "9"
    & skf18("2","10","5","10","10","7","1") = "9"
    & skf18("2","10","5","10","10","8","1") = "9"
    & skf18("2","10","5","10","10","9","1") = "9"
    & skf18("2","10","5","10","10","10","1") = "9"
    & skf18("2","10","6","1","1","1","1") = "9"
    & skf18("2","10","6","1","1","2","1") = "9"
    & skf18("2","10","6","1","1","3","1") = "9"
    & skf18("2","10","6","1","1","4","1") = "9"
    & skf18("2","10","6","1","1","5","1") = "9"
    & skf18("2","10","6","1","1","6","1") = "9"
    & skf18("2","10","6","1","1","7","1") = "9"
    & skf18("2","10","6","1","1","8","1") = "9"
    & skf18("2","10","6","1","1","9","1") = "9"
    & skf18("2","10","6","1","1","10","1") = "9"
    & skf18("2","10","6","1","2","1","1") = "9"
    & skf18("2","10","6","1","2","2","1") = "9"
    & skf18("2","10","6","1","2","3","1") = "9"
    & skf18("2","10","6","1","2","4","1") = "9"
    & skf18("2","10","6","1","2","5","1") = "9"
    & skf18("2","10","6","1","2","6","1") = "9"
    & skf18("2","10","6","1","2","7","1") = "9"
    & skf18("2","10","6","1","2","8","1") = "9"
    & skf18("2","10","6","1","2","9","1") = "9"
    & skf18("2","10","6","1","2","10","1") = "9"
    & skf18("2","10","6","1","3","1","1") = "9"
    & skf18("2","10","6","1","3","2","1") = "9"
    & skf18("2","10","6","1","3","3","1") = "9"
    & skf18("2","10","6","1","3","4","1") = "9"
    & skf18("2","10","6","1","3","5","1") = "9"
    & skf18("2","10","6","1","3","6","1") = "9"
    & skf18("2","10","6","1","3","7","1") = "9"
    & skf18("2","10","6","1","3","8","1") = "9"
    & skf18("2","10","6","1","3","9","1") = "9"
    & skf18("2","10","6","1","3","10","1") = "9"
    & skf18("2","10","6","1","4","1","1") = "9"
    & skf18("2","10","6","1","4","2","1") = "9"
    & skf18("2","10","6","1","4","3","1") = "9"
    & skf18("2","10","6","1","4","4","1") = "9"
    & skf18("2","10","6","1","4","5","1") = "9"
    & skf18("2","10","6","1","4","6","1") = "9"
    & skf18("2","10","6","1","4","7","1") = "9"
    & skf18("2","10","6","1","4","8","1") = "9"
    & skf18("2","10","6","1","4","9","1") = "9"
    & skf18("2","10","6","1","4","10","1") = "9"
    & skf18("2","10","6","1","5","1","1") = "9"
    & skf18("2","10","6","1","5","2","1") = "9"
    & skf18("2","10","6","1","5","3","1") = "9"
    & skf18("2","10","6","1","5","4","1") = "9"
    & skf18("2","10","6","1","5","5","1") = "9"
    & skf18("2","10","6","1","5","6","1") = "9"
    & skf18("2","10","6","1","5","7","1") = "9"
    & skf18("2","10","6","1","5","8","1") = "9"
    & skf18("2","10","6","1","5","9","1") = "9"
    & skf18("2","10","6","1","5","10","1") = "9"
    & skf18("2","10","6","1","6","1","1") = "9"
    & skf18("2","10","6","1","6","2","1") = "9"
    & skf18("2","10","6","1","6","3","1") = "9"
    & skf18("2","10","6","1","6","4","1") = "9"
    & skf18("2","10","6","1","6","5","1") = "9"
    & skf18("2","10","6","1","6","6","1") = "9"
    & skf18("2","10","6","1","6","7","1") = "9"
    & skf18("2","10","6","1","6","8","1") = "9"
    & skf18("2","10","6","1","6","9","1") = "9"
    & skf18("2","10","6","1","6","10","1") = "9"
    & skf18("2","10","6","1","7","1","1") = "9"
    & skf18("2","10","6","1","7","2","1") = "9"
    & skf18("2","10","6","1","7","3","1") = "9"
    & skf18("2","10","6","1","7","4","1") = "9"
    & skf18("2","10","6","1","7","5","1") = "9"
    & skf18("2","10","6","1","7","6","1") = "9"
    & skf18("2","10","6","1","7","7","1") = "9"
    & skf18("2","10","6","1","7","8","1") = "9"
    & skf18("2","10","6","1","7","9","1") = "9"
    & skf18("2","10","6","1","7","10","1") = "9"
    & skf18("2","10","6","1","8","1","1") = "9"
    & skf18("2","10","6","1","8","2","1") = "9"
    & skf18("2","10","6","1","8","3","1") = "9"
    & skf18("2","10","6","1","8","4","1") = "9"
    & skf18("2","10","6","1","8","5","1") = "9"
    & skf18("2","10","6","1","8","6","1") = "9"
    & skf18("2","10","6","1","8","7","1") = "9"
    & skf18("2","10","6","1","8","8","1") = "9"
    & skf18("2","10","6","1","8","9","1") = "9"
    & skf18("2","10","6","1","8","10","1") = "9"
    & skf18("2","10","6","1","9","1","1") = "9"
    & skf18("2","10","6","1","9","2","1") = "9"
    & skf18("2","10","6","1","9","3","1") = "9"
    & skf18("2","10","6","1","9","4","1") = "9"
    & skf18("2","10","6","1","9","5","1") = "9"
    & skf18("2","10","6","1","9","6","1") = "9"
    & skf18("2","10","6","1","9","7","1") = "9"
    & skf18("2","10","6","1","9","8","1") = "9"
    & skf18("2","10","6","1","9","9","1") = "9"
    & skf18("2","10","6","1","9","10","1") = "9"
    & skf18("2","10","6","1","10","1","1") = "9"
    & skf18("2","10","6","1","10","2","1") = "9"
    & skf18("2","10","6","1","10","3","1") = "9"
    & skf18("2","10","6","1","10","4","1") = "9"
    & skf18("2","10","6","1","10","5","1") = "9"
    & skf18("2","10","6","1","10","6","1") = "9"
    & skf18("2","10","6","1","10","7","1") = "9"
    & skf18("2","10","6","1","10","8","1") = "9"
    & skf18("2","10","6","1","10","9","1") = "9"
    & skf18("2","10","6","1","10","10","1") = "9"
    & skf18("2","10","6","2","1","1","1") = "9"
    & skf18("2","10","6","2","1","2","1") = "9"
    & skf18("2","10","6","2","1","3","1") = "9"
    & skf18("2","10","6","2","1","4","1") = "9"
    & skf18("2","10","6","2","1","5","1") = "9"
    & skf18("2","10","6","2","1","6","1") = "9"
    & skf18("2","10","6","2","1","7","1") = "9"
    & skf18("2","10","6","2","1","8","1") = "9"
    & skf18("2","10","6","2","1","9","1") = "9"
    & skf18("2","10","6","2","1","10","1") = "9"
    & skf18("2","10","6","2","2","1","1") = "9"
    & skf18("2","10","6","2","2","2","1") = "9"
    & skf18("2","10","6","2","2","3","1") = "9"
    & skf18("2","10","6","2","2","4","1") = "9"
    & skf18("2","10","6","2","2","5","1") = "9"
    & skf18("2","10","6","2","2","6","1") = "9"
    & skf18("2","10","6","2","2","7","1") = "9"
    & skf18("2","10","6","2","2","8","1") = "9"
    & skf18("2","10","6","2","2","9","1") = "9"
    & skf18("2","10","6","2","2","10","1") = "9"
    & skf18("2","10","6","2","3","1","1") = "9"
    & skf18("2","10","6","2","3","2","1") = "9"
    & skf18("2","10","6","2","3","3","1") = "9"
    & skf18("2","10","6","2","3","4","1") = "9"
    & skf18("2","10","6","2","3","5","1") = "9"
    & skf18("2","10","6","2","3","6","1") = "9"
    & skf18("2","10","6","2","3","7","1") = "9"
    & skf18("2","10","6","2","3","8","1") = "9"
    & skf18("2","10","6","2","3","9","1") = "9"
    & skf18("2","10","6","2","3","10","1") = "9"
    & skf18("2","10","6","2","4","1","1") = "9"
    & skf18("2","10","6","2","4","2","1") = "9"
    & skf18("2","10","6","2","4","3","1") = "9"
    & skf18("2","10","6","2","4","4","1") = "9"
    & skf18("2","10","6","2","4","5","1") = "9"
    & skf18("2","10","6","2","4","6","1") = "9"
    & skf18("2","10","6","2","4","7","1") = "9"
    & skf18("2","10","6","2","4","8","1") = "9"
    & skf18("2","10","6","2","4","9","1") = "9"
    & skf18("2","10","6","2","4","10","1") = "9"
    & skf18("2","10","6","2","5","1","1") = "9"
    & skf18("2","10","6","2","5","2","1") = "9"
    & skf18("2","10","6","2","5","3","1") = "9"
    & skf18("2","10","6","2","5","4","1") = "9"
    & skf18("2","10","6","2","5","5","1") = "9"
    & skf18("2","10","6","2","5","6","1") = "9"
    & skf18("2","10","6","2","5","7","1") = "9"
    & skf18("2","10","6","2","5","8","1") = "9"
    & skf18("2","10","6","2","5","9","1") = "9"
    & skf18("2","10","6","2","5","10","1") = "9"
    & skf18("2","10","6","2","6","1","1") = "9"
    & skf18("2","10","6","2","6","2","1") = "9"
    & skf18("2","10","6","2","6","3","1") = "9"
    & skf18("2","10","6","2","6","4","1") = "9"
    & skf18("2","10","6","2","6","5","1") = "9"
    & skf18("2","10","6","2","6","6","1") = "9"
    & skf18("2","10","6","2","6","7","1") = "9"
    & skf18("2","10","6","2","6","8","1") = "9"
    & skf18("2","10","6","2","6","9","1") = "9"
    & skf18("2","10","6","2","6","10","1") = "9"
    & skf18("2","10","6","2","7","1","1") = "9"
    & skf18("2","10","6","2","7","2","1") = "9"
    & skf18("2","10","6","2","7","3","1") = "9"
    & skf18("2","10","6","2","7","4","1") = "9"
    & skf18("2","10","6","2","7","5","1") = "9"
    & skf18("2","10","6","2","7","6","1") = "9"
    & skf18("2","10","6","2","7","7","1") = "9"
    & skf18("2","10","6","2","7","8","1") = "9"
    & skf18("2","10","6","2","7","9","1") = "9"
    & skf18("2","10","6","2","7","10","1") = "9"
    & skf18("2","10","6","2","8","1","1") = "9"
    & skf18("2","10","6","2","8","2","1") = "9"
    & skf18("2","10","6","2","8","3","1") = "9"
    & skf18("2","10","6","2","8","4","1") = "9"
    & skf18("2","10","6","2","8","5","1") = "9"
    & skf18("2","10","6","2","8","6","1") = "9"
    & skf18("2","10","6","2","8","7","1") = "9"
    & skf18("2","10","6","2","8","8","1") = "9"
    & skf18("2","10","6","2","8","9","1") = "9"
    & skf18("2","10","6","2","8","10","1") = "9"
    & skf18("2","10","6","2","9","1","1") = "9"
    & skf18("2","10","6","2","9","2","1") = "9"
    & skf18("2","10","6","2","9","3","1") = "9"
    & skf18("2","10","6","2","9","4","1") = "9"
    & skf18("2","10","6","2","9","5","1") = "9"
    & skf18("2","10","6","2","9","6","1") = "9"
    & skf18("2","10","6","2","9","7","1") = "9"
    & skf18("2","10","6","2","9","8","1") = "9"
    & skf18("2","10","6","2","9","9","1") = "9"
    & skf18("2","10","6","2","9","10","1") = "9"
    & skf18("2","10","6","2","10","1","1") = "9"
    & skf18("2","10","6","2","10","2","1") = "9"
    & skf18("2","10","6","2","10","3","1") = "9"
    & skf18("2","10","6","2","10","4","1") = "9"
    & skf18("2","10","6","2","10","5","1") = "9"
    & skf18("2","10","6","2","10","6","1") = "9"
    & skf18("2","10","6","2","10","7","1") = "9"
    & skf18("2","10","6","2","10","8","1") = "9"
    & skf18("2","10","6","2","10","9","1") = "9"
    & skf18("2","10","6","2","10","10","1") = "9"
    & skf18("2","10","6","3","1","1","1") = "9"
    & skf18("2","10","6","3","1","2","1") = "9"
    & skf18("2","10","6","3","1","3","1") = "9"
    & skf18("2","10","6","3","1","4","1") = "9"
    & skf18("2","10","6","3","1","5","1") = "9"
    & skf18("2","10","6","3","1","6","1") = "9"
    & skf18("2","10","6","3","1","7","1") = "9"
    & skf18("2","10","6","3","1","8","1") = "9"
    & skf18("2","10","6","3","1","9","1") = "9"
    & skf18("2","10","6","3","1","10","1") = "9"
    & skf18("2","10","6","3","2","1","1") = "9"
    & skf18("2","10","6","3","2","2","1") = "9"
    & skf18("2","10","6","3","2","3","1") = "9"
    & skf18("2","10","6","3","2","4","1") = "9"
    & skf18("2","10","6","3","2","5","1") = "9"
    & skf18("2","10","6","3","2","6","1") = "9"
    & skf18("2","10","6","3","2","7","1") = "9"
    & skf18("2","10","6","3","2","8","1") = "9"
    & skf18("2","10","6","3","2","9","1") = "9"
    & skf18("2","10","6","3","2","10","1") = "9"
    & skf18("2","10","6","3","3","1","1") = "9"
    & skf18("2","10","6","3","3","2","1") = "9"
    & skf18("2","10","6","3","3","3","1") = "9"
    & skf18("2","10","6","3","3","4","1") = "9"
    & skf18("2","10","6","3","3","5","1") = "9"
    & skf18("2","10","6","3","3","6","1") = "9"
    & skf18("2","10","6","3","3","7","1") = "9"
    & skf18("2","10","6","3","3","8","1") = "9"
    & skf18("2","10","6","3","3","9","1") = "9"
    & skf18("2","10","6","3","3","10","1") = "9"
    & skf18("2","10","6","3","4","1","1") = "9"
    & skf18("2","10","6","3","4","2","1") = "9"
    & skf18("2","10","6","3","4","3","1") = "9"
    & skf18("2","10","6","3","4","4","1") = "9"
    & skf18("2","10","6","3","4","5","1") = "9"
    & skf18("2","10","6","3","4","6","1") = "9"
    & skf18("2","10","6","3","4","7","1") = "9"
    & skf18("2","10","6","3","4","8","1") = "9"
    & skf18("2","10","6","3","4","9","1") = "9"
    & skf18("2","10","6","3","4","10","1") = "9"
    & skf18("2","10","6","3","5","1","1") = "9"
    & skf18("2","10","6","3","5","2","1") = "9"
    & skf18("2","10","6","3","5","3","1") = "9"
    & skf18("2","10","6","3","5","4","1") = "9"
    & skf18("2","10","6","3","5","5","1") = "9"
    & skf18("2","10","6","3","5","6","1") = "9"
    & skf18("2","10","6","3","5","7","1") = "9"
    & skf18("2","10","6","3","5","8","1") = "9"
    & skf18("2","10","6","3","5","9","1") = "9"
    & skf18("2","10","6","3","5","10","1") = "9"
    & skf18("2","10","6","3","6","1","1") = "9"
    & skf18("2","10","6","3","6","2","1") = "9"
    & skf18("2","10","6","3","6","3","1") = "9"
    & skf18("2","10","6","3","6","4","1") = "9"
    & skf18("2","10","6","3","6","5","1") = "9"
    & skf18("2","10","6","3","6","6","1") = "9"
    & skf18("2","10","6","3","6","7","1") = "9"
    & skf18("2","10","6","3","6","8","1") = "9"
    & skf18("2","10","6","3","6","9","1") = "9"
    & skf18("2","10","6","3","6","10","1") = "9"
    & skf18("2","10","6","3","7","1","1") = "9"
    & skf18("2","10","6","3","7","2","1") = "9"
    & skf18("2","10","6","3","7","3","1") = "9"
    & skf18("2","10","6","3","7","4","1") = "9"
    & skf18("2","10","6","3","7","5","1") = "9"
    & skf18("2","10","6","3","7","6","1") = "9"
    & skf18("2","10","6","3","7","7","1") = "9"
    & skf18("2","10","6","3","7","8","1") = "9"
    & skf18("2","10","6","3","7","9","1") = "9"
    & skf18("2","10","6","3","7","10","1") = "9"
    & skf18("2","10","6","3","8","1","1") = "9"
    & skf18("2","10","6","3","8","2","1") = "9"
    & skf18("2","10","6","3","8","3","1") = "9"
    & skf18("2","10","6","3","8","4","1") = "9"
    & skf18("2","10","6","3","8","5","1") = "9"
    & skf18("2","10","6","3","8","6","1") = "9"
    & skf18("2","10","6","3","8","7","1") = "9"
    & skf18("2","10","6","3","8","8","1") = "9"
    & skf18("2","10","6","3","8","9","1") = "9"
    & skf18("2","10","6","3","8","10","1") = "9"
    & skf18("2","10","6","3","9","1","1") = "9"
    & skf18("2","10","6","3","9","2","1") = "9"
    & skf18("2","10","6","3","9","3","1") = "9"
    & skf18("2","10","6","3","9","4","1") = "9"
    & skf18("2","10","6","3","9","5","1") = "9"
    & skf18("2","10","6","3","9","6","1") = "9"
    & skf18("2","10","6","3","9","7","1") = "9"
    & skf18("2","10","6","3","9","8","1") = "9"
    & skf18("2","10","6","3","9","9","1") = "9"
    & skf18("2","10","6","3","9","10","1") = "9"
    & skf18("2","10","6","3","10","1","1") = "9"
    & skf18("2","10","6","3","10","2","1") = "9"
    & skf18("2","10","6","3","10","3","1") = "9"
    & skf18("2","10","6","3","10","4","1") = "9"
    & skf18("2","10","6","3","10","5","1") = "9"
    & skf18("2","10","6","3","10","6","1") = "9"
    & skf18("2","10","6","3","10","7","1") = "9"
    & skf18("2","10","6","3","10","8","1") = "9"
    & skf18("2","10","6","3","10","9","1") = "9"
    & skf18("2","10","6","3","10","10","1") = "9"
    & skf18("2","10","6","4","1","1","1") = "9"
    & skf18("2","10","6","4","1","2","1") = "9"
    & skf18("2","10","6","4","1","3","1") = "9"
    & skf18("2","10","6","4","1","4","1") = "9"
    & skf18("2","10","6","4","1","5","1") = "9"
    & skf18("2","10","6","4","1","6","1") = "9"
    & skf18("2","10","6","4","1","7","1") = "9"
    & skf18("2","10","6","4","1","8","1") = "9"
    & skf18("2","10","6","4","1","9","1") = "9"
    & skf18("2","10","6","4","1","10","1") = "9"
    & skf18("2","10","6","4","2","1","1") = "9"
    & skf18("2","10","6","4","2","2","1") = "9"
    & skf18("2","10","6","4","2","3","1") = "9"
    & skf18("2","10","6","4","2","4","1") = "9"
    & skf18("2","10","6","4","2","5","1") = "9"
    & skf18("2","10","6","4","2","6","1") = "9"
    & skf18("2","10","6","4","2","7","1") = "9"
    & skf18("2","10","6","4","2","8","1") = "9"
    & skf18("2","10","6","4","2","9","1") = "9"
    & skf18("2","10","6","4","2","10","1") = "9"
    & skf18("2","10","6","4","3","1","1") = "9"
    & skf18("2","10","6","4","3","2","1") = "9"
    & skf18("2","10","6","4","3","3","1") = "9"
    & skf18("2","10","6","4","3","4","1") = "9"
    & skf18("2","10","6","4","3","5","1") = "9"
    & skf18("2","10","6","4","3","6","1") = "9"
    & skf18("2","10","6","4","3","7","1") = "9"
    & skf18("2","10","6","4","3","8","1") = "9"
    & skf18("2","10","6","4","3","9","1") = "9"
    & skf18("2","10","6","4","3","10","1") = "9"
    & skf18("2","10","6","4","4","1","1") = "9"
    & skf18("2","10","6","4","4","2","1") = "9"
    & skf18("2","10","6","4","4","3","1") = "9"
    & skf18("2","10","6","4","4","4","1") = "9"
    & skf18("2","10","6","4","4","5","1") = "9"
    & skf18("2","10","6","4","4","6","1") = "9"
    & skf18("2","10","6","4","4","7","1") = "9"
    & skf18("2","10","6","4","4","8","1") = "9"
    & skf18("2","10","6","4","4","9","1") = "9"
    & skf18("2","10","6","4","4","10","1") = "9"
    & skf18("2","10","6","4","5","1","1") = "9"
    & skf18("2","10","6","4","5","2","1") = "9"
    & skf18("2","10","6","4","5","3","1") = "9"
    & skf18("2","10","6","4","5","4","1") = "9"
    & skf18("2","10","6","4","5","5","1") = "9"
    & skf18("2","10","6","4","5","6","1") = "9"
    & skf18("2","10","6","4","5","7","1") = "9"
    & skf18("2","10","6","4","5","8","1") = "9"
    & skf18("2","10","6","4","5","9","1") = "9"
    & skf18("2","10","6","4","5","10","1") = "9"
    & skf18("2","10","6","4","6","1","1") = "9"
    & skf18("2","10","6","4","6","2","1") = "9"
    & skf18("2","10","6","4","6","3","1") = "9"
    & skf18("2","10","6","4","6","4","1") = "9"
    & skf18("2","10","6","4","6","5","1") = "9"
    & skf18("2","10","6","4","6","6","1") = "9"
    & skf18("2","10","6","4","6","7","1") = "9"
    & skf18("2","10","6","4","6","8","1") = "9"
    & skf18("2","10","6","4","6","9","1") = "9"
    & skf18("2","10","6","4","6","10","1") = "9"
    & skf18("2","10","6","4","7","1","1") = "9"
    & skf18("2","10","6","4","7","2","1") = "9"
    & skf18("2","10","6","4","7","3","1") = "9"
    & skf18("2","10","6","4","7","4","1") = "9"
    & skf18("2","10","6","4","7","5","1") = "9"
    & skf18("2","10","6","4","7","6","1") = "9"
    & skf18("2","10","6","4","7","7","1") = "9"
    & skf18("2","10","6","4","7","8","1") = "9"
    & skf18("2","10","6","4","7","9","1") = "9"
    & skf18("2","10","6","4","7","10","1") = "9"
    & skf18("2","10","6","4","8","1","1") = "9"
    & skf18("2","10","6","4","8","2","1") = "9"
    & skf18("2","10","6","4","8","3","1") = "9"
    & skf18("2","10","6","4","8","4","1") = "9"
    & skf18("2","10","6","4","8","5","1") = "9"
    & skf18("2","10","6","4","8","6","1") = "9"
    & skf18("2","10","6","4","8","7","1") = "9"
    & skf18("2","10","6","4","8","8","1") = "9"
    & skf18("2","10","6","4","8","9","1") = "9"
    & skf18("2","10","6","4","8","10","1") = "9"
    & skf18("2","10","6","4","9","1","1") = "9"
    & skf18("2","10","6","4","9","2","1") = "9"
    & skf18("2","10","6","4","9","3","1") = "9"
    & skf18("2","10","6","4","9","4","1") = "9"
    & skf18("2","10","6","4","9","5","1") = "9"
    & skf18("2","10","6","4","9","6","1") = "9"
    & skf18("2","10","6","4","9","7","1") = "9"
    & skf18("2","10","6","4","9","8","1") = "9"
    & skf18("2","10","6","4","9","9","1") = "9"
    & skf18("2","10","6","4","9","10","1") = "9"
    & skf18("2","10","6","4","10","1","1") = "9"
    & skf18("2","10","6","4","10","2","1") = "9"
    & skf18("2","10","6","4","10","3","1") = "9"
    & skf18("2","10","6","4","10","4","1") = "9"
    & skf18("2","10","6","4","10","5","1") = "9"
    & skf18("2","10","6","4","10","6","1") = "9"
    & skf18("2","10","6","4","10","7","1") = "9"
    & skf18("2","10","6","4","10","8","1") = "9"
    & skf18("2","10","6","4","10","9","1") = "9"
    & skf18("2","10","6","4","10","10","1") = "9"
    & skf18("2","10","6","5","1","1","1") = "9"
    & skf18("2","10","6","5","1","2","1") = "9"
    & skf18("2","10","6","5","1","3","1") = "9"
    & skf18("2","10","6","5","1","4","1") = "9"
    & skf18("2","10","6","5","1","5","1") = "9"
    & skf18("2","10","6","5","1","6","1") = "9"
    & skf18("2","10","6","5","1","7","1") = "9"
    & skf18("2","10","6","5","1","8","1") = "9"
    & skf18("2","10","6","5","1","9","1") = "9"
    & skf18("2","10","6","5","1","10","1") = "9"
    & skf18("2","10","6","5","2","1","1") = "9"
    & skf18("2","10","6","5","2","2","1") = "9"
    & skf18("2","10","6","5","2","3","1") = "9"
    & skf18("2","10","6","5","2","4","1") = "9"
    & skf18("2","10","6","5","2","5","1") = "9"
    & skf18("2","10","6","5","2","6","1") = "9"
    & skf18("2","10","6","5","2","7","1") = "9"
    & skf18("2","10","6","5","2","8","1") = "9"
    & skf18("2","10","6","5","2","9","1") = "9"
    & skf18("2","10","6","5","2","10","1") = "9"
    & skf18("2","10","6","5","3","1","1") = "9"
    & skf18("2","10","6","5","3","2","1") = "9"
    & skf18("2","10","6","5","3","3","1") = "9"
    & skf18("2","10","6","5","3","4","1") = "9"
    & skf18("2","10","6","5","3","5","1") = "9"
    & skf18("2","10","6","5","3","6","1") = "9"
    & skf18("2","10","6","5","3","7","1") = "9"
    & skf18("2","10","6","5","3","8","1") = "9"
    & skf18("2","10","6","5","3","9","1") = "9"
    & skf18("2","10","6","5","3","10","1") = "9"
    & skf18("2","10","6","5","4","1","1") = "9"
    & skf18("2","10","6","5","4","2","1") = "9"
    & skf18("2","10","6","5","4","3","1") = "9"
    & skf18("2","10","6","5","4","4","1") = "9"
    & skf18("2","10","6","5","4","5","1") = "9"
    & skf18("2","10","6","5","4","6","1") = "9"
    & skf18("2","10","6","5","4","7","1") = "9"
    & skf18("2","10","6","5","4","8","1") = "9"
    & skf18("2","10","6","5","4","9","1") = "9"
    & skf18("2","10","6","5","4","10","1") = "9"
    & skf18("2","10","6","5","5","1","1") = "9"
    & skf18("2","10","6","5","5","2","1") = "9"
    & skf18("2","10","6","5","5","3","1") = "9"
    & skf18("2","10","6","5","5","4","1") = "9"
    & skf18("2","10","6","5","5","5","1") = "9"
    & skf18("2","10","6","5","5","6","1") = "9"
    & skf18("2","10","6","5","5","7","1") = "9"
    & skf18("2","10","6","5","5","8","1") = "9"
    & skf18("2","10","6","5","5","9","1") = "9"
    & skf18("2","10","6","5","5","10","1") = "9"
    & skf18("2","10","6","5","6","1","1") = "9"
    & skf18("2","10","6","5","6","2","1") = "9"
    & skf18("2","10","6","5","6","3","1") = "9"
    & skf18("2","10","6","5","6","4","1") = "9"
    & skf18("2","10","6","5","6","5","1") = "9"
    & skf18("2","10","6","5","6","6","1") = "9"
    & skf18("2","10","6","5","6","7","1") = "9"
    & skf18("2","10","6","5","6","8","1") = "9"
    & skf18("2","10","6","5","6","9","1") = "9"
    & skf18("2","10","6","5","6","10","1") = "9"
    & skf18("2","10","6","5","7","1","1") = "9"
    & skf18("2","10","6","5","7","2","1") = "9"
    & skf18("2","10","6","5","7","3","1") = "9"
    & skf18("2","10","6","5","7","4","1") = "9"
    & skf18("2","10","6","5","7","5","1") = "9"
    & skf18("2","10","6","5","7","6","1") = "9"
    & skf18("2","10","6","5","7","7","1") = "9"
    & skf18("2","10","6","5","7","8","1") = "9"
    & skf18("2","10","6","5","7","9","1") = "9"
    & skf18("2","10","6","5","7","10","1") = "9"
    & skf18("2","10","6","5","8","1","1") = "9"
    & skf18("2","10","6","5","8","2","1") = "9"
    & skf18("2","10","6","5","8","3","1") = "9"
    & skf18("2","10","6","5","8","4","1") = "9"
    & skf18("2","10","6","5","8","5","1") = "9"
    & skf18("2","10","6","5","8","6","1") = "9"
    & skf18("2","10","6","5","8","7","1") = "9"
    & skf18("2","10","6","5","8","8","1") = "9"
    & skf18("2","10","6","5","8","9","1") = "9"
    & skf18("2","10","6","5","8","10","1") = "9"
    & skf18("2","10","6","5","9","1","1") = "9"
    & skf18("2","10","6","5","9","2","1") = "9"
    & skf18("2","10","6","5","9","3","1") = "9"
    & skf18("2","10","6","5","9","4","1") = "9"
    & skf18("2","10","6","5","9","5","1") = "9"
    & skf18("2","10","6","5","9","6","1") = "9"
    & skf18("2","10","6","5","9","7","1") = "9"
    & skf18("2","10","6","5","9","8","1") = "9"
    & skf18("2","10","6","5","9","9","1") = "9"
    & skf18("2","10","6","5","9","10","1") = "9"
    & skf18("2","10","6","5","10","1","1") = "9"
    & skf18("2","10","6","5","10","2","1") = "9"
    & skf18("2","10","6","5","10","3","1") = "9"
    & skf18("2","10","6","5","10","4","1") = "9"
    & skf18("2","10","6","5","10","5","1") = "9"
    & skf18("2","10","6","5","10","6","1") = "9"
    & skf18("2","10","6","5","10","7","1") = "9"
    & skf18("2","10","6","5","10","8","1") = "9"
    & skf18("2","10","6","5","10","9","1") = "9"
    & skf18("2","10","6","5","10","10","1") = "9"
    & skf18("2","10","6","6","1","1","1") = "9"
    & skf18("2","10","6","6","1","2","1") = "9"
    & skf18("2","10","6","6","1","3","1") = "9"
    & skf18("2","10","6","6","1","4","1") = "9"
    & skf18("2","10","6","6","1","5","1") = "9"
    & skf18("2","10","6","6","1","6","1") = "9"
    & skf18("2","10","6","6","1","7","1") = "9"
    & skf18("2","10","6","6","1","8","1") = "9"
    & skf18("2","10","6","6","1","9","1") = "9"
    & skf18("2","10","6","6","1","10","1") = "9"
    & skf18("2","10","6","6","2","1","1") = "9"
    & skf18("2","10","6","6","2","2","1") = "9"
    & skf18("2","10","6","6","2","3","1") = "9"
    & skf18("2","10","6","6","2","4","1") = "9"
    & skf18("2","10","6","6","2","5","1") = "9"
    & skf18("2","10","6","6","2","6","1") = "9"
    & skf18("2","10","6","6","2","7","1") = "9"
    & skf18("2","10","6","6","2","8","1") = "9"
    & skf18("2","10","6","6","2","9","1") = "9"
    & skf18("2","10","6","6","2","10","1") = "9"
    & skf18("2","10","6","6","3","1","1") = "9"
    & skf18("2","10","6","6","3","2","1") = "9"
    & skf18("2","10","6","6","3","3","1") = "9"
    & skf18("2","10","6","6","3","4","1") = "9"
    & skf18("2","10","6","6","3","5","1") = "9"
    & skf18("2","10","6","6","3","6","1") = "9"
    & skf18("2","10","6","6","3","7","1") = "9"
    & skf18("2","10","6","6","3","8","1") = "9"
    & skf18("2","10","6","6","3","9","1") = "9"
    & skf18("2","10","6","6","3","10","1") = "9"
    & skf18("2","10","6","6","4","1","1") = "9"
    & skf18("2","10","6","6","4","2","1") = "9"
    & skf18("2","10","6","6","4","3","1") = "9"
    & skf18("2","10","6","6","4","4","1") = "9"
    & skf18("2","10","6","6","4","5","1") = "9"
    & skf18("2","10","6","6","4","6","1") = "9"
    & skf18("2","10","6","6","4","7","1") = "9"
    & skf18("2","10","6","6","4","8","1") = "9"
    & skf18("2","10","6","6","4","9","1") = "9"
    & skf18("2","10","6","6","4","10","1") = "9"
    & skf18("2","10","6","6","5","1","1") = "9"
    & skf18("2","10","6","6","5","2","1") = "9"
    & skf18("2","10","6","6","5","3","1") = "9"
    & skf18("2","10","6","6","5","4","1") = "9"
    & skf18("2","10","6","6","5","5","1") = "9"
    & skf18("2","10","6","6","5","6","1") = "9"
    & skf18("2","10","6","6","5","7","1") = "9"
    & skf18("2","10","6","6","5","8","1") = "9"
    & skf18("2","10","6","6","5","9","1") = "9"
    & skf18("2","10","6","6","5","10","1") = "9"
    & skf18("2","10","6","6","6","1","1") = "9"
    & skf18("2","10","6","6","6","2","1") = "9"
    & skf18("2","10","6","6","6","3","1") = "9"
    & skf18("2","10","6","6","6","4","1") = "9"
    & skf18("2","10","6","6","6","5","1") = "9"
    & skf18("2","10","6","6","6","6","1") = "9"
    & skf18("2","10","6","6","6","7","1") = "9"
    & skf18("2","10","6","6","6","8","1") = "9"
    & skf18("2","10","6","6","6","9","1") = "9"
    & skf18("2","10","6","6","6","10","1") = "9"
    & skf18("2","10","6","6","7","1","1") = "9"
    & skf18("2","10","6","6","7","2","1") = "9"
    & skf18("2","10","6","6","7","3","1") = "9"
    & skf18("2","10","6","6","7","4","1") = "9"
    & skf18("2","10","6","6","7","5","1") = "9"
    & skf18("2","10","6","6","7","6","1") = "9"
    & skf18("2","10","6","6","7","7","1") = "9"
    & skf18("2","10","6","6","7","8","1") = "9"
    & skf18("2","10","6","6","7","9","1") = "9"
    & skf18("2","10","6","6","7","10","1") = "9"
    & skf18("2","10","6","6","8","1","1") = "9"
    & skf18("2","10","6","6","8","2","1") = "9"
    & skf18("2","10","6","6","8","3","1") = "9"
    & skf18("2","10","6","6","8","4","1") = "9"
    & skf18("2","10","6","6","8","5","1") = "9"
    & skf18("2","10","6","6","8","6","1") = "9"
    & skf18("2","10","6","6","8","7","1") = "9"
    & skf18("2","10","6","6","8","8","1") = "9"
    & skf18("2","10","6","6","8","9","1") = "9"
    & skf18("2","10","6","6","8","10","1") = "9"
    & skf18("2","10","6","6","9","1","1") = "9"
    & skf18("2","10","6","6","9","2","1") = "9"
    & skf18("2","10","6","6","9","3","1") = "9"
    & skf18("2","10","6","6","9","4","1") = "9"
    & skf18("2","10","6","6","9","5","1") = "9"
    & skf18("2","10","6","6","9","6","1") = "9"
    & skf18("2","10","6","6","9","7","1") = "9"
    & skf18("2","10","6","6","9","8","1") = "9"
    & skf18("2","10","6","6","9","9","1") = "9"
    & skf18("2","10","6","6","9","10","1") = "9"
    & skf18("2","10","6","6","10","1","1") = "9"
    & skf18("2","10","6","6","10","2","1") = "9"
    & skf18("2","10","6","6","10","3","1") = "9"
    & skf18("2","10","6","6","10","4","1") = "9"
    & skf18("2","10","6","6","10","5","1") = "9"
    & skf18("2","10","6","6","10","6","1") = "9"
    & skf18("2","10","6","6","10","7","1") = "9"
    & skf18("2","10","6","6","10","8","1") = "9"
    & skf18("2","10","6","6","10","9","1") = "9"
    & skf18("2","10","6","6","10","10","1") = "9"
    & skf18("2","10","6","7","1","1","1") = "9"
    & skf18("2","10","6","7","1","2","1") = "9"
    & skf18("2","10","6","7","1","3","1") = "9"
    & skf18("2","10","6","7","1","4","1") = "9"
    & skf18("2","10","6","7","1","5","1") = "9"
    & skf18("2","10","6","7","1","6","1") = "9"
    & skf18("2","10","6","7","1","7","1") = "9"
    & skf18("2","10","6","7","1","8","1") = "9"
    & skf18("2","10","6","7","1","9","1") = "9"
    & skf18("2","10","6","7","1","10","1") = "9"
    & skf18("2","10","6","7","2","1","1") = "9"
    & skf18("2","10","6","7","2","2","1") = "9"
    & skf18("2","10","6","7","2","3","1") = "9"
    & skf18("2","10","6","7","2","4","1") = "9"
    & skf18("2","10","6","7","2","5","1") = "9"
    & skf18("2","10","6","7","2","6","1") = "9"
    & skf18("2","10","6","7","2","7","1") = "9"
    & skf18("2","10","6","7","2","8","1") = "9"
    & skf18("2","10","6","7","2","9","1") = "9"
    & skf18("2","10","6","7","2","10","1") = "9"
    & skf18("2","10","6","7","3","1","1") = "9"
    & skf18("2","10","6","7","3","2","1") = "9"
    & skf18("2","10","6","7","3","3","1") = "9"
    & skf18("2","10","6","7","3","4","1") = "9"
    & skf18("2","10","6","7","3","5","1") = "9"
    & skf18("2","10","6","7","3","6","1") = "9"
    & skf18("2","10","6","7","3","7","1") = "9"
    & skf18("2","10","6","7","3","8","1") = "9"
    & skf18("2","10","6","7","3","9","1") = "9"
    & skf18("2","10","6","7","3","10","1") = "9"
    & skf18("2","10","6","7","4","1","1") = "9"
    & skf18("2","10","6","7","4","2","1") = "9"
    & skf18("2","10","6","7","4","3","1") = "9"
    & skf18("2","10","6","7","4","4","1") = "9"
    & skf18("2","10","6","7","4","5","1") = "9"
    & skf18("2","10","6","7","4","6","1") = "9"
    & skf18("2","10","6","7","4","7","1") = "9"
    & skf18("2","10","6","7","4","8","1") = "9"
    & skf18("2","10","6","7","4","9","1") = "9"
    & skf18("2","10","6","7","4","10","1") = "9"
    & skf18("2","10","6","7","5","1","1") = "9"
    & skf18("2","10","6","7","5","2","1") = "9"
    & skf18("2","10","6","7","5","3","1") = "9"
    & skf18("2","10","6","7","5","4","1") = "9"
    & skf18("2","10","6","7","5","5","1") = "9"
    & skf18("2","10","6","7","5","6","1") = "9"
    & skf18("2","10","6","7","5","7","1") = "9"
    & skf18("2","10","6","7","5","8","1") = "9"
    & skf18("2","10","6","7","5","9","1") = "9"
    & skf18("2","10","6","7","5","10","1") = "9"
    & skf18("2","10","6","7","6","1","1") = "9"
    & skf18("2","10","6","7","6","2","1") = "9"
    & skf18("2","10","6","7","6","3","1") = "9"
    & skf18("2","10","6","7","6","4","1") = "9"
    & skf18("2","10","6","7","6","5","1") = "9"
    & skf18("2","10","6","7","6","6","1") = "9"
    & skf18("2","10","6","7","6","7","1") = "9"
    & skf18("2","10","6","7","6","8","1") = "9"
    & skf18("2","10","6","7","6","9","1") = "9"
    & skf18("2","10","6","7","6","10","1") = "9"
    & skf18("2","10","6","7","7","1","1") = "9"
    & skf18("2","10","6","7","7","2","1") = "9"
    & skf18("2","10","6","7","7","3","1") = "9"
    & skf18("2","10","6","7","7","4","1") = "9"
    & skf18("2","10","6","7","7","5","1") = "9"
    & skf18("2","10","6","7","7","6","1") = "9"
    & skf18("2","10","6","7","7","7","1") = "9"
    & skf18("2","10","6","7","7","8","1") = "9"
    & skf18("2","10","6","7","7","9","1") = "9"
    & skf18("2","10","6","7","7","10","1") = "9"
    & skf18("2","10","6","7","8","1","1") = "9"
    & skf18("2","10","6","7","8","2","1") = "9"
    & skf18("2","10","6","7","8","3","1") = "9"
    & skf18("2","10","6","7","8","4","1") = "9"
    & skf18("2","10","6","7","8","5","1") = "9"
    & skf18("2","10","6","7","8","6","1") = "9"
    & skf18("2","10","6","7","8","7","1") = "9"
    & skf18("2","10","6","7","8","8","1") = "9"
    & skf18("2","10","6","7","8","9","1") = "9"
    & skf18("2","10","6","7","8","10","1") = "9"
    & skf18("2","10","6","7","9","1","1") = "9"
    & skf18("2","10","6","7","9","2","1") = "9"
    & skf18("2","10","6","7","9","3","1") = "9"
    & skf18("2","10","6","7","9","4","1") = "9"
    & skf18("2","10","6","7","9","5","1") = "9"
    & skf18("2","10","6","7","9","6","1") = "9"
    & skf18("2","10","6","7","9","7","1") = "9"
    & skf18("2","10","6","7","9","8","1") = "9"
    & skf18("2","10","6","7","9","9","1") = "9"
    & skf18("2","10","6","7","9","10","1") = "9"
    & skf18("2","10","6","7","10","1","1") = "9"
    & skf18("2","10","6","7","10","2","1") = "9"
    & skf18("2","10","6","7","10","3","1") = "9"
    & skf18("2","10","6","7","10","4","1") = "9"
    & skf18("2","10","6","7","10","5","1") = "9"
    & skf18("2","10","6","7","10","6","1") = "9"
    & skf18("2","10","6","7","10","7","1") = "9"
    & skf18("2","10","6","7","10","8","1") = "9"
    & skf18("2","10","6","7","10","9","1") = "9"
    & skf18("2","10","6","7","10","10","1") = "9"
    & skf18("2","10","6","8","1","1","1") = "9"
    & skf18("2","10","6","8","1","2","1") = "9"
    & skf18("2","10","6","8","1","3","1") = "9"
    & skf18("2","10","6","8","1","4","1") = "9"
    & skf18("2","10","6","8","1","5","1") = "9"
    & skf18("2","10","6","8","1","6","1") = "9"
    & skf18("2","10","6","8","1","7","1") = "9"
    & skf18("2","10","6","8","1","8","1") = "9"
    & skf18("2","10","6","8","1","9","1") = "9"
    & skf18("2","10","6","8","1","10","1") = "9"
    & skf18("2","10","6","8","2","1","1") = "9"
    & skf18("2","10","6","8","2","2","1") = "9"
    & skf18("2","10","6","8","2","3","1") = "9"
    & skf18("2","10","6","8","2","4","1") = "9"
    & skf18("2","10","6","8","2","5","1") = "9"
    & skf18("2","10","6","8","2","6","1") = "9"
    & skf18("2","10","6","8","2","7","1") = "9"
    & skf18("2","10","6","8","2","8","1") = "9"
    & skf18("2","10","6","8","2","9","1") = "9"
    & skf18("2","10","6","8","2","10","1") = "9"
    & skf18("2","10","6","8","3","1","1") = "9"
    & skf18("2","10","6","8","3","2","1") = "9"
    & skf18("2","10","6","8","3","3","1") = "9"
    & skf18("2","10","6","8","3","4","1") = "9"
    & skf18("2","10","6","8","3","5","1") = "9"
    & skf18("2","10","6","8","3","6","1") = "9"
    & skf18("2","10","6","8","3","7","1") = "9"
    & skf18("2","10","6","8","3","8","1") = "9"
    & skf18("2","10","6","8","3","9","1") = "9"
    & skf18("2","10","6","8","3","10","1") = "9"
    & skf18("2","10","6","8","4","1","1") = "9"
    & skf18("2","10","6","8","4","2","1") = "9"
    & skf18("2","10","6","8","4","3","1") = "9"
    & skf18("2","10","6","8","4","4","1") = "9"
    & skf18("2","10","6","8","4","5","1") = "9"
    & skf18("2","10","6","8","4","6","1") = "9"
    & skf18("2","10","6","8","4","7","1") = "9"
    & skf18("2","10","6","8","4","8","1") = "9"
    & skf18("2","10","6","8","4","9","1") = "9"
    & skf18("2","10","6","8","4","10","1") = "9"
    & skf18("2","10","6","8","5","1","1") = "9"
    & skf18("2","10","6","8","5","2","1") = "9"
    & skf18("2","10","6","8","5","3","1") = "9"
    & skf18("2","10","6","8","5","4","1") = "9"
    & skf18("2","10","6","8","5","5","1") = "9"
    & skf18("2","10","6","8","5","6","1") = "9"
    & skf18("2","10","6","8","5","7","1") = "9"
    & skf18("2","10","6","8","5","8","1") = "9"
    & skf18("2","10","6","8","5","9","1") = "9"
    & skf18("2","10","6","8","5","10","1") = "9"
    & skf18("2","10","6","8","6","1","1") = "9"
    & skf18("2","10","6","8","6","2","1") = "9"
    & skf18("2","10","6","8","6","3","1") = "9"
    & skf18("2","10","6","8","6","4","1") = "9"
    & skf18("2","10","6","8","6","5","1") = "9"
    & skf18("2","10","6","8","6","6","1") = "9"
    & skf18("2","10","6","8","6","7","1") = "9"
    & skf18("2","10","6","8","6","8","1") = "9"
    & skf18("2","10","6","8","6","9","1") = "9"
    & skf18("2","10","6","8","6","10","1") = "9"
    & skf18("2","10","6","8","7","1","1") = "9"
    & skf18("2","10","6","8","7","2","1") = "9"
    & skf18("2","10","6","8","7","3","1") = "9"
    & skf18("2","10","6","8","7","4","1") = "9"
    & skf18("2","10","6","8","7","5","1") = "9"
    & skf18("2","10","6","8","7","6","1") = "9"
    & skf18("2","10","6","8","7","7","1") = "9"
    & skf18("2","10","6","8","7","8","1") = "9"
    & skf18("2","10","6","8","7","9","1") = "9"
    & skf18("2","10","6","8","7","10","1") = "9"
    & skf18("2","10","6","8","8","1","1") = "9"
    & skf18("2","10","6","8","8","2","1") = "9"
    & skf18("2","10","6","8","8","3","1") = "9"
    & skf18("2","10","6","8","8","4","1") = "9"
    & skf18("2","10","6","8","8","5","1") = "9"
    & skf18("2","10","6","8","8","6","1") = "9"
    & skf18("2","10","6","8","8","7","1") = "9"
    & skf18("2","10","6","8","8","8","1") = "9"
    & skf18("2","10","6","8","8","9","1") = "9"
    & skf18("2","10","6","8","8","10","1") = "9"
    & skf18("2","10","6","8","9","1","1") = "9"
    & skf18("2","10","6","8","9","2","1") = "9"
    & skf18("2","10","6","8","9","3","1") = "9"
    & skf18("2","10","6","8","9","4","1") = "9"
    & skf18("2","10","6","8","9","5","1") = "9"
    & skf18("2","10","6","8","9","6","1") = "9"
    & skf18("2","10","6","8","9","7","1") = "9"
    & skf18("2","10","6","8","9","8","1") = "9"
    & skf18("2","10","6","8","9","9","1") = "9"
    & skf18("2","10","6","8","9","10","1") = "9"
    & skf18("2","10","6","8","10","1","1") = "9"
    & skf18("2","10","6","8","10","2","1") = "9"
    & skf18("2","10","6","8","10","3","1") = "9"
    & skf18("2","10","6","8","10","4","1") = "9"
    & skf18("2","10","6","8","10","5","1") = "9"
    & skf18("2","10","6","8","10","6","1") = "9"
    & skf18("2","10","6","8","10","7","1") = "9"
    & skf18("2","10","6","8","10","8","1") = "9"
    & skf18("2","10","6","8","10","9","1") = "9"
    & skf18("2","10","6","8","10","10","1") = "9"
    & skf18("2","10","6","9","1","1","1") = "9"
    & skf18("2","10","6","9","1","2","1") = "9"
    & skf18("2","10","6","9","1","3","1") = "9"
    & skf18("2","10","6","9","1","4","1") = "9"
    & skf18("2","10","6","9","1","5","1") = "9"
    & skf18("2","10","6","9","1","6","1") = "9"
    & skf18("2","10","6","9","1","7","1") = "9"
    & skf18("2","10","6","9","1","8","1") = "9"
    & skf18("2","10","6","9","1","9","1") = "9"
    & skf18("2","10","6","9","1","10","1") = "9"
    & skf18("2","10","6","9","2","1","1") = "9"
    & skf18("2","10","6","9","2","2","1") = "9"
    & skf18("2","10","6","9","2","3","1") = "9"
    & skf18("2","10","6","9","2","4","1") = "9"
    & skf18("2","10","6","9","2","5","1") = "9"
    & skf18("2","10","6","9","2","6","1") = "9"
    & skf18("2","10","6","9","2","7","1") = "9"
    & skf18("2","10","6","9","2","8","1") = "9"
    & skf18("2","10","6","9","2","9","1") = "9"
    & skf18("2","10","6","9","2","10","1") = "9"
    & skf18("2","10","6","9","3","1","1") = "9"
    & skf18("2","10","6","9","3","2","1") = "9"
    & skf18("2","10","6","9","3","3","1") = "9"
    & skf18("2","10","6","9","3","4","1") = "9"
    & skf18("2","10","6","9","3","5","1") = "9"
    & skf18("2","10","6","9","3","6","1") = "9"
    & skf18("2","10","6","9","3","7","1") = "9"
    & skf18("2","10","6","9","3","8","1") = "9"
    & skf18("2","10","6","9","3","9","1") = "9"
    & skf18("2","10","6","9","3","10","1") = "9"
    & skf18("2","10","6","9","4","1","1") = "9"
    & skf18("2","10","6","9","4","2","1") = "9"
    & skf18("2","10","6","9","4","3","1") = "9"
    & skf18("2","10","6","9","4","4","1") = "9"
    & skf18("2","10","6","9","4","5","1") = "9"
    & skf18("2","10","6","9","4","6","1") = "9"
    & skf18("2","10","6","9","4","7","1") = "9"
    & skf18("2","10","6","9","4","8","1") = "9"
    & skf18("2","10","6","9","4","9","1") = "9"
    & skf18("2","10","6","9","4","10","1") = "9"
    & skf18("2","10","6","9","5","1","1") = "9"
    & skf18("2","10","6","9","5","2","1") = "9"
    & skf18("2","10","6","9","5","3","1") = "9"
    & skf18("2","10","6","9","5","4","1") = "9"
    & skf18("2","10","6","9","5","5","1") = "9"
    & skf18("2","10","6","9","5","6","1") = "9"
    & skf18("2","10","6","9","5","7","1") = "9"
    & skf18("2","10","6","9","5","8","1") = "9"
    & skf18("2","10","6","9","5","9","1") = "9"
    & skf18("2","10","6","9","5","10","1") = "9"
    & skf18("2","10","6","9","6","1","1") = "9"
    & skf18("2","10","6","9","6","2","1") = "9"
    & skf18("2","10","6","9","6","3","1") = "9"
    & skf18("2","10","6","9","6","4","1") = "9"
    & skf18("2","10","6","9","6","5","1") = "9"
    & skf18("2","10","6","9","6","6","1") = "9"
    & skf18("2","10","6","9","6","7","1") = "9"
    & skf18("2","10","6","9","6","8","1") = "9"
    & skf18("2","10","6","9","6","9","1") = "9"
    & skf18("2","10","6","9","6","10","1") = "9"
    & skf18("2","10","6","9","7","1","1") = "9"
    & skf18("2","10","6","9","7","2","1") = "9"
    & skf18("2","10","6","9","7","3","1") = "9"
    & skf18("2","10","6","9","7","4","1") = "9"
    & skf18("2","10","6","9","7","5","1") = "9"
    & skf18("2","10","6","9","7","6","1") = "9"
    & skf18("2","10","6","9","7","7","1") = "9"
    & skf18("2","10","6","9","7","8","1") = "9"
    & skf18("2","10","6","9","7","9","1") = "9"
    & skf18("2","10","6","9","7","10","1") = "9"
    & skf18("2","10","6","9","8","1","1") = "9"
    & skf18("2","10","6","9","8","2","1") = "9"
    & skf18("2","10","6","9","8","3","1") = "9"
    & skf18("2","10","6","9","8","4","1") = "9"
    & skf18("2","10","6","9","8","5","1") = "9"
    & skf18("2","10","6","9","8","6","1") = "9"
    & skf18("2","10","6","9","8","7","1") = "9"
    & skf18("2","10","6","9","8","8","1") = "9"
    & skf18("2","10","6","9","8","9","1") = "9"
    & skf18("2","10","6","9","8","10","1") = "9"
    & skf18("2","10","6","9","9","1","1") = "9"
    & skf18("2","10","6","9","9","2","1") = "9"
    & skf18("2","10","6","9","9","3","1") = "9"
    & skf18("2","10","6","9","9","4","1") = "9"
    & skf18("2","10","6","9","9","5","1") = "9"
    & skf18("2","10","6","9","9","6","1") = "9"
    & skf18("2","10","6","9","9","7","1") = "9"
    & skf18("2","10","6","9","9","8","1") = "9"
    & skf18("2","10","6","9","9","9","1") = "9"
    & skf18("2","10","6","9","9","10","1") = "9"
    & skf18("2","10","6","9","10","1","1") = "9"
    & skf18("2","10","6","9","10","2","1") = "9"
    & skf18("2","10","6","9","10","3","1") = "9"
    & skf18("2","10","6","9","10","4","1") = "9"
    & skf18("2","10","6","9","10","5","1") = "9"
    & skf18("2","10","6","9","10","6","1") = "9"
    & skf18("2","10","6","9","10","7","1") = "9"
    & skf18("2","10","6","9","10","8","1") = "9"
    & skf18("2","10","6","9","10","9","1") = "9"
    & skf18("2","10","6","9","10","10","1") = "9"
    & skf18("2","10","6","10","1","1","1") = "9"
    & skf18("2","10","6","10","1","2","1") = "9"
    & skf18("2","10","6","10","1","3","1") = "9"
    & skf18("2","10","6","10","1","4","1") = "9"
    & skf18("2","10","6","10","1","5","1") = "9"
    & skf18("2","10","6","10","1","6","1") = "9"
    & skf18("2","10","6","10","1","7","1") = "9"
    & skf18("2","10","6","10","1","8","1") = "9"
    & skf18("2","10","6","10","1","9","1") = "9"
    & skf18("2","10","6","10","1","10","1") = "9"
    & skf18("2","10","6","10","2","1","1") = "9"
    & skf18("2","10","6","10","2","2","1") = "9"
    & skf18("2","10","6","10","2","3","1") = "9"
    & skf18("2","10","6","10","2","4","1") = "9"
    & skf18("2","10","6","10","2","5","1") = "9"
    & skf18("2","10","6","10","2","6","1") = "9"
    & skf18("2","10","6","10","2","7","1") = "9"
    & skf18("2","10","6","10","2","8","1") = "9"
    & skf18("2","10","6","10","2","9","1") = "9"
    & skf18("2","10","6","10","2","10","1") = "9"
    & skf18("2","10","6","10","3","1","1") = "9"
    & skf18("2","10","6","10","3","2","1") = "9"
    & skf18("2","10","6","10","3","3","1") = "9"
    & skf18("2","10","6","10","3","4","1") = "9"
    & skf18("2","10","6","10","3","5","1") = "9"
    & skf18("2","10","6","10","3","6","1") = "9"
    & skf18("2","10","6","10","3","7","1") = "9"
    & skf18("2","10","6","10","3","8","1") = "9"
    & skf18("2","10","6","10","3","9","1") = "9"
    & skf18("2","10","6","10","3","10","1") = "9"
    & skf18("2","10","6","10","4","1","1") = "9"
    & skf18("2","10","6","10","4","2","1") = "9"
    & skf18("2","10","6","10","4","3","1") = "9"
    & skf18("2","10","6","10","4","4","1") = "9"
    & skf18("2","10","6","10","4","5","1") = "9"
    & skf18("2","10","6","10","4","6","1") = "9"
    & skf18("2","10","6","10","4","7","1") = "9"
    & skf18("2","10","6","10","4","8","1") = "9"
    & skf18("2","10","6","10","4","9","1") = "9"
    & skf18("2","10","6","10","4","10","1") = "9"
    & skf18("2","10","6","10","5","1","1") = "9"
    & skf18("2","10","6","10","5","2","1") = "9"
    & skf18("2","10","6","10","5","3","1") = "9"
    & skf18("2","10","6","10","5","4","1") = "9"
    & skf18("2","10","6","10","5","5","1") = "9"
    & skf18("2","10","6","10","5","6","1") = "9"
    & skf18("2","10","6","10","5","7","1") = "9"
    & skf18("2","10","6","10","5","8","1") = "9"
    & skf18("2","10","6","10","5","9","1") = "9"
    & skf18("2","10","6","10","5","10","1") = "9"
    & skf18("2","10","6","10","6","1","1") = "9"
    & skf18("2","10","6","10","6","2","1") = "9"
    & skf18("2","10","6","10","6","3","1") = "9"
    & skf18("2","10","6","10","6","4","1") = "9"
    & skf18("2","10","6","10","6","5","1") = "9"
    & skf18("2","10","6","10","6","6","1") = "9"
    & skf18("2","10","6","10","6","7","1") = "9"
    & skf18("2","10","6","10","6","8","1") = "9"
    & skf18("2","10","6","10","6","9","1") = "9"
    & skf18("2","10","6","10","6","10","1") = "9"
    & skf18("2","10","6","10","7","1","1") = "9"
    & skf18("2","10","6","10","7","2","1") = "9"
    & skf18("2","10","6","10","7","3","1") = "9"
    & skf18("2","10","6","10","7","4","1") = "9"
    & skf18("2","10","6","10","7","5","1") = "9"
    & skf18("2","10","6","10","7","6","1") = "9"
    & skf18("2","10","6","10","7","7","1") = "9"
    & skf18("2","10","6","10","7","8","1") = "9"
    & skf18("2","10","6","10","7","9","1") = "9"
    & skf18("2","10","6","10","7","10","1") = "9"
    & skf18("2","10","6","10","8","1","1") = "9"
    & skf18("2","10","6","10","8","2","1") = "9"
    & skf18("2","10","6","10","8","3","1") = "9"
    & skf18("2","10","6","10","8","4","1") = "9"
    & skf18("2","10","6","10","8","5","1") = "9"
    & skf18("2","10","6","10","8","6","1") = "9"
    & skf18("2","10","6","10","8","7","1") = "9"
    & skf18("2","10","6","10","8","8","1") = "9"
    & skf18("2","10","6","10","8","9","1") = "9"
    & skf18("2","10","6","10","8","10","1") = "9"
    & skf18("2","10","6","10","9","1","1") = "9"
    & skf18("2","10","6","10","9","2","1") = "9"
    & skf18("2","10","6","10","9","3","1") = "9"
    & skf18("2","10","6","10","9","4","1") = "9"
    & skf18("2","10","6","10","9","5","1") = "9"
    & skf18("2","10","6","10","9","6","1") = "9"
    & skf18("2","10","6","10","9","7","1") = "9"
    & skf18("2","10","6","10","9","8","1") = "9"
    & skf18("2","10","6","10","9","9","1") = "9"
    & skf18("2","10","6","10","9","10","1") = "9"
    & skf18("2","10","6","10","10","1","1") = "9"
    & skf18("2","10","6","10","10","2","1") = "9"
    & skf18("2","10","6","10","10","3","1") = "9"
    & skf18("2","10","6","10","10","4","1") = "9"
    & skf18("2","10","6","10","10","5","1") = "9"
    & skf18("2","10","6","10","10","6","1") = "9"
    & skf18("2","10","6","10","10","7","1") = "9"
    & skf18("2","10","6","10","10","8","1") = "9"
    & skf18("2","10","6","10","10","9","1") = "9"
    & skf18("2","10","6","10","10","10","1") = "9"
    & skf18("2","10","7","1","1","1","1") = "9"
    & skf18("2","10","7","1","1","2","1") = "9"
    & skf18("2","10","7","1","1","3","1") = "9"
    & skf18("2","10","7","1","1","4","1") = "9"
    & skf18("2","10","7","1","1","5","1") = "9"
    & skf18("2","10","7","1","1","6","1") = "9"
    & skf18("2","10","7","1","1","7","1") = "9"
    & skf18("2","10","7","1","1","8","1") = "9"
    & skf18("2","10","7","1","1","9","1") = "9"
    & skf18("2","10","7","1","1","10","1") = "9"
    & skf18("2","10","7","1","2","1","1") = "9"
    & skf18("2","10","7","1","2","2","1") = "9"
    & skf18("2","10","7","1","2","3","1") = "9"
    & skf18("2","10","7","1","2","4","1") = "9"
    & skf18("2","10","7","1","2","5","1") = "9"
    & skf18("2","10","7","1","2","6","1") = "9"
    & skf18("2","10","7","1","2","7","1") = "9"
    & skf18("2","10","7","1","2","8","1") = "9"
    & skf18("2","10","7","1","2","9","1") = "9"
    & skf18("2","10","7","1","2","10","1") = "9"
    & skf18("2","10","7","1","3","1","1") = "9"
    & skf18("2","10","7","1","3","2","1") = "9"
    & skf18("2","10","7","1","3","3","1") = "9"
    & skf18("2","10","7","1","3","4","1") = "9"
    & skf18("2","10","7","1","3","5","1") = "9"
    & skf18("2","10","7","1","3","6","1") = "9"
    & skf18("2","10","7","1","3","7","1") = "9"
    & skf18("2","10","7","1","3","8","1") = "9"
    & skf18("2","10","7","1","3","9","1") = "9"
    & skf18("2","10","7","1","3","10","1") = "9"
    & skf18("2","10","7","1","4","1","1") = "9"
    & skf18("2","10","7","1","4","2","1") = "9"
    & skf18("2","10","7","1","4","3","1") = "9"
    & skf18("2","10","7","1","4","4","1") = "9"
    & skf18("2","10","7","1","4","5","1") = "9"
    & skf18("2","10","7","1","4","6","1") = "9"
    & skf18("2","10","7","1","4","7","1") = "9"
    & skf18("2","10","7","1","4","8","1") = "9"
    & skf18("2","10","7","1","4","9","1") = "9"
    & skf18("2","10","7","1","4","10","1") = "9"
    & skf18("2","10","7","1","5","1","1") = "9"
    & skf18("2","10","7","1","5","2","1") = "9"
    & skf18("2","10","7","1","5","3","1") = "9"
    & skf18("2","10","7","1","5","4","1") = "9"
    & skf18("2","10","7","1","5","5","1") = "9"
    & skf18("2","10","7","1","5","6","1") = "9"
    & skf18("2","10","7","1","5","7","1") = "9"
    & skf18("2","10","7","1","5","8","1") = "9"
    & skf18("2","10","7","1","5","9","1") = "9"
    & skf18("2","10","7","1","5","10","1") = "9"
    & skf18("2","10","7","1","6","1","1") = "9"
    & skf18("2","10","7","1","6","2","1") = "9"
    & skf18("2","10","7","1","6","3","1") = "9"
    & skf18("2","10","7","1","6","4","1") = "9"
    & skf18("2","10","7","1","6","5","1") = "9"
    & skf18("2","10","7","1","6","6","1") = "9"
    & skf18("2","10","7","1","6","7","1") = "9"
    & skf18("2","10","7","1","6","8","1") = "9"
    & skf18("2","10","7","1","6","9","1") = "9"
    & skf18("2","10","7","1","6","10","1") = "9"
    & skf18("2","10","7","1","7","1","1") = "9"
    & skf18("2","10","7","1","7","2","1") = "9"
    & skf18("2","10","7","1","7","3","1") = "9"
    & skf18("2","10","7","1","7","4","1") = "9"
    & skf18("2","10","7","1","7","5","1") = "9"
    & skf18("2","10","7","1","7","6","1") = "9"
    & skf18("2","10","7","1","7","7","1") = "9"
    & skf18("2","10","7","1","7","8","1") = "9"
    & skf18("2","10","7","1","7","9","1") = "9"
    & skf18("2","10","7","1","7","10","1") = "9"
    & skf18("2","10","7","1","8","1","1") = "9"
    & skf18("2","10","7","1","8","2","1") = "9"
    & skf18("2","10","7","1","8","3","1") = "9"
    & skf18("2","10","7","1","8","4","1") = "9"
    & skf18("2","10","7","1","8","5","1") = "9"
    & skf18("2","10","7","1","8","6","1") = "9"
    & skf18("2","10","7","1","8","7","1") = "9"
    & skf18("2","10","7","1","8","8","1") = "9"
    & skf18("2","10","7","1","8","9","1") = "9"
    & skf18("2","10","7","1","8","10","1") = "9"
    & skf18("2","10","7","1","9","1","1") = "9"
    & skf18("2","10","7","1","9","2","1") = "9"
    & skf18("2","10","7","1","9","3","1") = "9"
    & skf18("2","10","7","1","9","4","1") = "9"
    & skf18("2","10","7","1","9","5","1") = "9"
    & skf18("2","10","7","1","9","6","1") = "9"
    & skf18("2","10","7","1","9","7","1") = "9"
    & skf18("2","10","7","1","9","8","1") = "9"
    & skf18("2","10","7","1","9","9","1") = "9"
    & skf18("2","10","7","1","9","10","1") = "9"
    & skf18("2","10","7","1","10","1","1") = "9"
    & skf18("2","10","7","1","10","2","1") = "9"
    & skf18("2","10","7","1","10","3","1") = "9"
    & skf18("2","10","7","1","10","4","1") = "9"
    & skf18("2","10","7","1","10","5","1") = "9"
    & skf18("2","10","7","1","10","6","1") = "9"
    & skf18("2","10","7","1","10","7","1") = "9"
    & skf18("2","10","7","1","10","8","1") = "9"
    & skf18("2","10","7","1","10","9","1") = "9"
    & skf18("2","10","7","1","10","10","1") = "9"
    & skf18("2","10","7","2","1","1","1") = "9"
    & skf18("2","10","7","2","1","2","1") = "9"
    & skf18("2","10","7","2","1","3","1") = "9"
    & skf18("2","10","7","2","1","4","1") = "9"
    & skf18("2","10","7","2","1","5","1") = "9"
    & skf18("2","10","7","2","1","6","1") = "9"
    & skf18("2","10","7","2","1","7","1") = "9"
    & skf18("2","10","7","2","1","8","1") = "9"
    & skf18("2","10","7","2","1","9","1") = "9"
    & skf18("2","10","7","2","1","10","1") = "9"
    & skf18("2","10","7","2","2","1","1") = "9"
    & skf18("2","10","7","2","2","2","1") = "9"
    & skf18("2","10","7","2","2","3","1") = "9"
    & skf18("2","10","7","2","2","4","1") = "9"
    & skf18("2","10","7","2","2","5","1") = "9"
    & skf18("2","10","7","2","2","6","1") = "9"
    & skf18("2","10","7","2","2","7","1") = "9"
    & skf18("2","10","7","2","2","8","1") = "9"
    & skf18("2","10","7","2","2","9","1") = "9"
    & skf18("2","10","7","2","2","10","1") = "9"
    & skf18("2","10","7","2","3","1","1") = "9"
    & skf18("2","10","7","2","3","2","1") = "9"
    & skf18("2","10","7","2","3","3","1") = "9"
    & skf18("2","10","7","2","3","4","1") = "9"
    & skf18("2","10","7","2","3","5","1") = "9"
    & skf18("2","10","7","2","3","6","1") = "9"
    & skf18("2","10","7","2","3","7","1") = "9"
    & skf18("2","10","7","2","3","8","1") = "9"
    & skf18("2","10","7","2","3","9","1") = "9"
    & skf18("2","10","7","2","3","10","1") = "9"
    & skf18("2","10","7","2","4","1","1") = "9"
    & skf18("2","10","7","2","4","2","1") = "9"
    & skf18("2","10","7","2","4","3","1") = "9"
    & skf18("2","10","7","2","4","4","1") = "9"
    & skf18("2","10","7","2","4","5","1") = "9"
    & skf18("2","10","7","2","4","6","1") = "9"
    & skf18("2","10","7","2","4","7","1") = "9"
    & skf18("2","10","7","2","4","8","1") = "9"
    & skf18("2","10","7","2","4","9","1") = "9"
    & skf18("2","10","7","2","4","10","1") = "9"
    & skf18("2","10","7","2","5","1","1") = "9"
    & skf18("2","10","7","2","5","2","1") = "9"
    & skf18("2","10","7","2","5","3","1") = "9"
    & skf18("2","10","7","2","5","4","1") = "9"
    & skf18("2","10","7","2","5","5","1") = "9"
    & skf18("2","10","7","2","5","6","1") = "9"
    & skf18("2","10","7","2","5","7","1") = "9"
    & skf18("2","10","7","2","5","8","1") = "9"
    & skf18("2","10","7","2","5","9","1") = "9"
    & skf18("2","10","7","2","5","10","1") = "9"
    & skf18("2","10","7","2","6","1","1") = "9"
    & skf18("2","10","7","2","6","2","1") = "9"
    & skf18("2","10","7","2","6","3","1") = "9"
    & skf18("2","10","7","2","6","4","1") = "9"
    & skf18("2","10","7","2","6","5","1") = "9"
    & skf18("2","10","7","2","6","6","1") = "9"
    & skf18("2","10","7","2","6","7","1") = "9"
    & skf18("2","10","7","2","6","8","1") = "9"
    & skf18("2","10","7","2","6","9","1") = "9"
    & skf18("2","10","7","2","6","10","1") = "9"
    & skf18("2","10","7","2","7","1","1") = "9"
    & skf18("2","10","7","2","7","2","1") = "9"
    & skf18("2","10","7","2","7","3","1") = "9"
    & skf18("2","10","7","2","7","4","1") = "9"
    & skf18("2","10","7","2","7","5","1") = "9"
    & skf18("2","10","7","2","7","6","1") = "9"
    & skf18("2","10","7","2","7","7","1") = "9"
    & skf18("2","10","7","2","7","8","1") = "9"
    & skf18("2","10","7","2","7","9","1") = "9"
    & skf18("2","10","7","2","7","10","1") = "9"
    & skf18("2","10","7","2","8","1","1") = "9"
    & skf18("2","10","7","2","8","2","1") = "9"
    & skf18("2","10","7","2","8","3","1") = "9"
    & skf18("2","10","7","2","8","4","1") = "9"
    & skf18("2","10","7","2","8","5","1") = "9"
    & skf18("2","10","7","2","8","6","1") = "9"
    & skf18("2","10","7","2","8","7","1") = "9"
    & skf18("2","10","7","2","8","8","1") = "9"
    & skf18("2","10","7","2","8","9","1") = "9"
    & skf18("2","10","7","2","8","10","1") = "9"
    & skf18("2","10","7","2","9","1","1") = "9"
    & skf18("2","10","7","2","9","2","1") = "9"
    & skf18("2","10","7","2","9","3","1") = "9"
    & skf18("2","10","7","2","9","4","1") = "9"
    & skf18("2","10","7","2","9","5","1") = "9"
    & skf18("2","10","7","2","9","6","1") = "9"
    & skf18("2","10","7","2","9","7","1") = "9"
    & skf18("2","10","7","2","9","8","1") = "9"
    & skf18("2","10","7","2","9","9","1") = "9"
    & skf18("2","10","7","2","9","10","1") = "9"
    & skf18("2","10","7","2","10","1","1") = "9"
    & skf18("2","10","7","2","10","2","1") = "9"
    & skf18("2","10","7","2","10","3","1") = "9"
    & skf18("2","10","7","2","10","4","1") = "9"
    & skf18("2","10","7","2","10","5","1") = "9"
    & skf18("2","10","7","2","10","6","1") = "9"
    & skf18("2","10","7","2","10","7","1") = "9"
    & skf18("2","10","7","2","10","8","1") = "9"
    & skf18("2","10","7","2","10","9","1") = "9"
    & skf18("2","10","7","2","10","10","1") = "9"
    & skf18("2","10","7","3","1","1","1") = "9"
    & skf18("2","10","7","3","1","2","1") = "9"
    & skf18("2","10","7","3","1","3","1") = "9"
    & skf18("2","10","7","3","1","4","1") = "9"
    & skf18("2","10","7","3","1","5","1") = "9"
    & skf18("2","10","7","3","1","6","1") = "9"
    & skf18("2","10","7","3","1","7","1") = "9"
    & skf18("2","10","7","3","1","8","1") = "9"
    & skf18("2","10","7","3","1","9","1") = "9"
    & skf18("2","10","7","3","1","10","1") = "9"
    & skf18("2","10","7","3","2","1","1") = "9"
    & skf18("2","10","7","3","2","2","1") = "9"
    & skf18("2","10","7","3","2","3","1") = "9"
    & skf18("2","10","7","3","2","4","1") = "9"
    & skf18("2","10","7","3","2","5","1") = "9"
    & skf18("2","10","7","3","2","6","1") = "9"
    & skf18("2","10","7","3","2","7","1") = "9"
    & skf18("2","10","7","3","2","8","1") = "9"
    & skf18("2","10","7","3","2","9","1") = "9"
    & skf18("2","10","7","3","2","10","1") = "9"
    & skf18("2","10","7","3","3","1","1") = "9"
    & skf18("2","10","7","3","3","2","1") = "9"
    & skf18("2","10","7","3","3","3","1") = "9"
    & skf18("2","10","7","3","3","4","1") = "9"
    & skf18("2","10","7","3","3","5","1") = "9"
    & skf18("2","10","7","3","3","6","1") = "9"
    & skf18("2","10","7","3","3","7","1") = "9"
    & skf18("2","10","7","3","3","8","1") = "9"
    & skf18("2","10","7","3","3","9","1") = "9"
    & skf18("2","10","7","3","3","10","1") = "9"
    & skf18("2","10","7","3","4","1","1") = "9"
    & skf18("2","10","7","3","4","2","1") = "9"
    & skf18("2","10","7","3","4","3","1") = "9"
    & skf18("2","10","7","3","4","4","1") = "9"
    & skf18("2","10","7","3","4","5","1") = "9"
    & skf18("2","10","7","3","4","6","1") = "9"
    & skf18("2","10","7","3","4","7","1") = "9"
    & skf18("2","10","7","3","4","8","1") = "9"
    & skf18("2","10","7","3","4","9","1") = "9"
    & skf18("2","10","7","3","4","10","1") = "9"
    & skf18("2","10","7","3","5","1","1") = "9"
    & skf18("2","10","7","3","5","2","1") = "9"
    & skf18("2","10","7","3","5","3","1") = "9"
    & skf18("2","10","7","3","5","4","1") = "9"
    & skf18("2","10","7","3","5","5","1") = "9"
    & skf18("2","10","7","3","5","6","1") = "9"
    & skf18("2","10","7","3","5","7","1") = "9"
    & skf18("2","10","7","3","5","8","1") = "9"
    & skf18("2","10","7","3","5","9","1") = "9"
    & skf18("2","10","7","3","5","10","1") = "9"
    & skf18("2","10","7","3","6","1","1") = "9"
    & skf18("2","10","7","3","6","2","1") = "9"
    & skf18("2","10","7","3","6","3","1") = "9"
    & skf18("2","10","7","3","6","4","1") = "9"
    & skf18("2","10","7","3","6","5","1") = "9"
    & skf18("2","10","7","3","6","6","1") = "9"
    & skf18("2","10","7","3","6","7","1") = "9"
    & skf18("2","10","7","3","6","8","1") = "9"
    & skf18("2","10","7","3","6","9","1") = "9"
    & skf18("2","10","7","3","6","10","1") = "9"
    & skf18("2","10","7","3","7","1","1") = "9"
    & skf18("2","10","7","3","7","2","1") = "9"
    & skf18("2","10","7","3","7","3","1") = "9"
    & skf18("2","10","7","3","7","4","1") = "9"
    & skf18("2","10","7","3","7","5","1") = "9"
    & skf18("2","10","7","3","7","6","1") = "9"
    & skf18("2","10","7","3","7","7","1") = "9"
    & skf18("2","10","7","3","7","8","1") = "9"
    & skf18("2","10","7","3","7","9","1") = "9"
    & skf18("2","10","7","3","7","10","1") = "9"
    & skf18("2","10","7","3","8","1","1") = "9"
    & skf18("2","10","7","3","8","2","1") = "9"
    & skf18("2","10","7","3","8","3","1") = "9"
    & skf18("2","10","7","3","8","4","1") = "9"
    & skf18("2","10","7","3","8","5","1") = "9"
    & skf18("2","10","7","3","8","6","1") = "9"
    & skf18("2","10","7","3","8","7","1") = "9"
    & skf18("2","10","7","3","8","8","1") = "9"
    & skf18("2","10","7","3","8","9","1") = "9"
    & skf18("2","10","7","3","8","10","1") = "9"
    & skf18("2","10","7","3","9","1","1") = "9"
    & skf18("2","10","7","3","9","2","1") = "9"
    & skf18("2","10","7","3","9","3","1") = "9"
    & skf18("2","10","7","3","9","4","1") = "9"
    & skf18("2","10","7","3","9","5","1") = "9"
    & skf18("2","10","7","3","9","6","1") = "9"
    & skf18("2","10","7","3","9","7","1") = "9"
    & skf18("2","10","7","3","9","8","1") = "9"
    & skf18("2","10","7","3","9","9","1") = "9"
    & skf18("2","10","7","3","9","10","1") = "9"
    & skf18("2","10","7","3","10","1","1") = "9"
    & skf18("2","10","7","3","10","2","1") = "9"
    & skf18("2","10","7","3","10","3","1") = "9"
    & skf18("2","10","7","3","10","4","1") = "9"
    & skf18("2","10","7","3","10","5","1") = "9"
    & skf18("2","10","7","3","10","6","1") = "9"
    & skf18("2","10","7","3","10","7","1") = "9"
    & skf18("2","10","7","3","10","8","1") = "9"
    & skf18("2","10","7","3","10","9","1") = "9"
    & skf18("2","10","7","3","10","10","1") = "9"
    & skf18("2","10","7","4","1","1","1") = "9"
    & skf18("2","10","7","4","1","2","1") = "9"
    & skf18("2","10","7","4","1","3","1") = "9"
    & skf18("2","10","7","4","1","4","1") = "9"
    & skf18("2","10","7","4","1","5","1") = "9"
    & skf18("2","10","7","4","1","6","1") = "9"
    & skf18("2","10","7","4","1","7","1") = "9"
    & skf18("2","10","7","4","1","8","1") = "9"
    & skf18("2","10","7","4","1","9","1") = "9"
    & skf18("2","10","7","4","1","10","1") = "9"
    & skf18("2","10","7","4","2","1","1") = "9"
    & skf18("2","10","7","4","2","2","1") = "9"
    & skf18("2","10","7","4","2","3","1") = "9"
    & skf18("2","10","7","4","2","4","1") = "9"
    & skf18("2","10","7","4","2","5","1") = "9"
    & skf18("2","10","7","4","2","6","1") = "9"
    & skf18("2","10","7","4","2","7","1") = "9"
    & skf18("2","10","7","4","2","8","1") = "9"
    & skf18("2","10","7","4","2","9","1") = "9"
    & skf18("2","10","7","4","2","10","1") = "9"
    & skf18("2","10","7","4","3","1","1") = "9"
    & skf18("2","10","7","4","3","2","1") = "9"
    & skf18("2","10","7","4","3","3","1") = "9"
    & skf18("2","10","7","4","3","4","1") = "9"
    & skf18("2","10","7","4","3","5","1") = "9"
    & skf18("2","10","7","4","3","6","1") = "9"
    & skf18("2","10","7","4","3","7","1") = "9"
    & skf18("2","10","7","4","3","8","1") = "9"
    & skf18("2","10","7","4","3","9","1") = "9"
    & skf18("2","10","7","4","3","10","1") = "9"
    & skf18("2","10","7","4","4","1","1") = "9"
    & skf18("2","10","7","4","4","2","1") = "9"
    & skf18("2","10","7","4","4","3","1") = "9"
    & skf18("2","10","7","4","4","4","1") = "9"
    & skf18("2","10","7","4","4","5","1") = "9"
    & skf18("2","10","7","4","4","6","1") = "9"
    & skf18("2","10","7","4","4","7","1") = "9"
    & skf18("2","10","7","4","4","8","1") = "9"
    & skf18("2","10","7","4","4","9","1") = "9"
    & skf18("2","10","7","4","4","10","1") = "9"
    & skf18("2","10","7","4","5","1","1") = "9"
    & skf18("2","10","7","4","5","2","1") = "9"
    & skf18("2","10","7","4","5","3","1") = "9"
    & skf18("2","10","7","4","5","4","1") = "9"
    & skf18("2","10","7","4","5","5","1") = "9"
    & skf18("2","10","7","4","5","6","1") = "9"
    & skf18("2","10","7","4","5","7","1") = "9"
    & skf18("2","10","7","4","5","8","1") = "9"
    & skf18("2","10","7","4","5","9","1") = "9"
    & skf18("2","10","7","4","5","10","1") = "9"
    & skf18("2","10","7","4","6","1","1") = "9"
    & skf18("2","10","7","4","6","2","1") = "9"
    & skf18("2","10","7","4","6","3","1") = "9"
    & skf18("2","10","7","4","6","4","1") = "9"
    & skf18("2","10","7","4","6","5","1") = "9"
    & skf18("2","10","7","4","6","6","1") = "9"
    & skf18("2","10","7","4","6","7","1") = "9"
    & skf18("2","10","7","4","6","8","1") = "9"
    & skf18("2","10","7","4","6","9","1") = "9"
    & skf18("2","10","7","4","6","10","1") = "9"
    & skf18("2","10","7","4","7","1","1") = "9"
    & skf18("2","10","7","4","7","2","1") = "9"
    & skf18("2","10","7","4","7","3","1") = "9"
    & skf18("2","10","7","4","7","4","1") = "9"
    & skf18("2","10","7","4","7","5","1") = "9"
    & skf18("2","10","7","4","7","6","1") = "9"
    & skf18("2","10","7","4","7","7","1") = "9"
    & skf18("2","10","7","4","7","8","1") = "9"
    & skf18("2","10","7","4","7","9","1") = "9"
    & skf18("2","10","7","4","7","10","1") = "9"
    & skf18("2","10","7","4","8","1","1") = "9"
    & skf18("2","10","7","4","8","2","1") = "9"
    & skf18("2","10","7","4","8","3","1") = "9"
    & skf18("2","10","7","4","8","4","1") = "9"
    & skf18("2","10","7","4","8","5","1") = "9"
    & skf18("2","10","7","4","8","6","1") = "9"
    & skf18("2","10","7","4","8","7","1") = "9"
    & skf18("2","10","7","4","8","8","1") = "9"
    & skf18("2","10","7","4","8","9","1") = "9"
    & skf18("2","10","7","4","8","10","1") = "9"
    & skf18("2","10","7","4","9","1","1") = "9"
    & skf18("2","10","7","4","9","2","1") = "9"
    & skf18("2","10","7","4","9","3","1") = "9"
    & skf18("2","10","7","4","9","4","1") = "9"
    & skf18("2","10","7","4","9","5","1") = "9"
    & skf18("2","10","7","4","9","6","1") = "9"
    & skf18("2","10","7","4","9","7","1") = "9"
    & skf18("2","10","7","4","9","8","1") = "9"
    & skf18("2","10","7","4","9","9","1") = "9"
    & skf18("2","10","7","4","9","10","1") = "9"
    & skf18("2","10","7","4","10","1","1") = "9"
    & skf18("2","10","7","4","10","2","1") = "9"
    & skf18("2","10","7","4","10","3","1") = "9"
    & skf18("2","10","7","4","10","4","1") = "9"
    & skf18("2","10","7","4","10","5","1") = "9"
    & skf18("2","10","7","4","10","6","1") = "9"
    & skf18("2","10","7","4","10","7","1") = "9"
    & skf18("2","10","7","4","10","8","1") = "9"
    & skf18("2","10","7","4","10","9","1") = "9"
    & skf18("2","10","7","4","10","10","1") = "9"
    & skf18("2","10","7","5","1","1","1") = "9"
    & skf18("2","10","7","5","1","2","1") = "9"
    & skf18("2","10","7","5","1","3","1") = "9"
    & skf18("2","10","7","5","1","4","1") = "9"
    & skf18("2","10","7","5","1","5","1") = "9"
    & skf18("2","10","7","5","1","6","1") = "9"
    & skf18("2","10","7","5","1","7","1") = "9"
    & skf18("2","10","7","5","1","8","1") = "9"
    & skf18("2","10","7","5","1","9","1") = "9"
    & skf18("2","10","7","5","1","10","1") = "9"
    & skf18("2","10","7","5","2","1","1") = "9"
    & skf18("2","10","7","5","2","2","1") = "9"
    & skf18("2","10","7","5","2","3","1") = "9"
    & skf18("2","10","7","5","2","4","1") = "9"
    & skf18("2","10","7","5","2","5","1") = "9"
    & skf18("2","10","7","5","2","6","1") = "9"
    & skf18("2","10","7","5","2","7","1") = "9"
    & skf18("2","10","7","5","2","8","1") = "9"
    & skf18("2","10","7","5","2","9","1") = "9"
    & skf18("2","10","7","5","2","10","1") = "9"
    & skf18("2","10","7","5","3","1","1") = "9"
    & skf18("2","10","7","5","3","2","1") = "9"
    & skf18("2","10","7","5","3","3","1") = "9"
    & skf18("2","10","7","5","3","4","1") = "9"
    & skf18("2","10","7","5","3","5","1") = "9"
    & skf18("2","10","7","5","3","6","1") = "9"
    & skf18("2","10","7","5","3","7","1") = "9"
    & skf18("2","10","7","5","3","8","1") = "9"
    & skf18("2","10","7","5","3","9","1") = "9"
    & skf18("2","10","7","5","3","10","1") = "9"
    & skf18("2","10","7","5","4","1","1") = "9"
    & skf18("2","10","7","5","4","2","1") = "9"
    & skf18("2","10","7","5","4","3","1") = "9"
    & skf18("2","10","7","5","4","4","1") = "9"
    & skf18("2","10","7","5","4","5","1") = "9"
    & skf18("2","10","7","5","4","6","1") = "9"
    & skf18("2","10","7","5","4","7","1") = "9"
    & skf18("2","10","7","5","4","8","1") = "9"
    & skf18("2","10","7","5","4","9","1") = "9"
    & skf18("2","10","7","5","4","10","1") = "9"
    & skf18("2","10","7","5","5","1","1") = "9"
    & skf18("2","10","7","5","5","2","1") = "9"
    & skf18("2","10","7","5","5","3","1") = "9"
    & skf18("2","10","7","5","5","4","1") = "9"
    & skf18("2","10","7","5","5","5","1") = "9"
    & skf18("2","10","7","5","5","6","1") = "9"
    & skf18("2","10","7","5","5","7","1") = "9"
    & skf18("2","10","7","5","5","8","1") = "9"
    & skf18("2","10","7","5","5","9","1") = "9"
    & skf18("2","10","7","5","5","10","1") = "9"
    & skf18("2","10","7","5","6","1","1") = "9"
    & skf18("2","10","7","5","6","2","1") = "9"
    & skf18("2","10","7","5","6","3","1") = "9"
    & skf18("2","10","7","5","6","4","1") = "9"
    & skf18("2","10","7","5","6","5","1") = "9"
    & skf18("2","10","7","5","6","6","1") = "9"
    & skf18("2","10","7","5","6","7","1") = "9"
    & skf18("2","10","7","5","6","8","1") = "9"
    & skf18("2","10","7","5","6","9","1") = "9"
    & skf18("2","10","7","5","6","10","1") = "9"
    & skf18("2","10","7","5","7","1","1") = "9"
    & skf18("2","10","7","5","7","2","1") = "9"
    & skf18("2","10","7","5","7","3","1") = "9"
    & skf18("2","10","7","5","7","4","1") = "9"
    & skf18("2","10","7","5","7","5","1") = "9"
    & skf18("2","10","7","5","7","6","1") = "9"
    & skf18("2","10","7","5","7","7","1") = "9"
    & skf18("2","10","7","5","7","8","1") = "9"
    & skf18("2","10","7","5","7","9","1") = "9"
    & skf18("2","10","7","5","7","10","1") = "9"
    & skf18("2","10","7","5","8","1","1") = "9"
    & skf18("2","10","7","5","8","2","1") = "9"
    & skf18("2","10","7","5","8","3","1") = "9"
    & skf18("2","10","7","5","8","4","1") = "9"
    & skf18("2","10","7","5","8","5","1") = "9"
    & skf18("2","10","7","5","8","6","1") = "9"
    & skf18("2","10","7","5","8","7","1") = "9"
    & skf18("2","10","7","5","8","8","1") = "9"
    & skf18("2","10","7","5","8","9","1") = "9"
    & skf18("2","10","7","5","8","10","1") = "9"
    & skf18("2","10","7","5","9","1","1") = "9"
    & skf18("2","10","7","5","9","2","1") = "9"
    & skf18("2","10","7","5","9","3","1") = "9"
    & skf18("2","10","7","5","9","4","1") = "9"
    & skf18("2","10","7","5","9","5","1") = "9"
    & skf18("2","10","7","5","9","6","1") = "9"
    & skf18("2","10","7","5","9","7","1") = "9"
    & skf18("2","10","7","5","9","8","1") = "9"
    & skf18("2","10","7","5","9","9","1") = "9"
    & skf18("2","10","7","5","9","10","1") = "9"
    & skf18("2","10","7","5","10","1","1") = "9"
    & skf18("2","10","7","5","10","2","1") = "9"
    & skf18("2","10","7","5","10","3","1") = "9"
    & skf18("2","10","7","5","10","4","1") = "9"
    & skf18("2","10","7","5","10","5","1") = "9"
    & skf18("2","10","7","5","10","6","1") = "9"
    & skf18("2","10","7","5","10","7","1") = "9"
    & skf18("2","10","7","5","10","8","1") = "9"
    & skf18("2","10","7","5","10","9","1") = "9"
    & skf18("2","10","7","5","10","10","1") = "9"
    & skf18("2","10","7","6","1","1","1") = "9"
    & skf18("2","10","7","6","1","2","1") = "9"
    & skf18("2","10","7","6","1","3","1") = "9"
    & skf18("2","10","7","6","1","4","1") = "9"
    & skf18("2","10","7","6","1","5","1") = "9"
    & skf18("2","10","7","6","1","6","1") = "9"
    & skf18("2","10","7","6","1","7","1") = "9"
    & skf18("2","10","7","6","1","8","1") = "9"
    & skf18("2","10","7","6","1","9","1") = "9"
    & skf18("2","10","7","6","1","10","1") = "9"
    & skf18("2","10","7","6","2","1","1") = "9"
    & skf18("2","10","7","6","2","2","1") = "9"
    & skf18("2","10","7","6","2","3","1") = "9"
    & skf18("2","10","7","6","2","4","1") = "9"
    & skf18("2","10","7","6","2","5","1") = "9"
    & skf18("2","10","7","6","2","6","1") = "9"
    & skf18("2","10","7","6","2","7","1") = "9"
    & skf18("2","10","7","6","2","8","1") = "9"
    & skf18("2","10","7","6","2","9","1") = "9"
    & skf18("2","10","7","6","2","10","1") = "9"
    & skf18("2","10","7","6","3","1","1") = "9"
    & skf18("2","10","7","6","3","2","1") = "9"
    & skf18("2","10","7","6","3","3","1") = "9"
    & skf18("2","10","7","6","3","4","1") = "9"
    & skf18("2","10","7","6","3","5","1") = "9"
    & skf18("2","10","7","6","3","6","1") = "9"
    & skf18("2","10","7","6","3","7","1") = "9"
    & skf18("2","10","7","6","3","8","1") = "9"
    & skf18("2","10","7","6","3","9","1") = "9"
    & skf18("2","10","7","6","3","10","1") = "9"
    & skf18("2","10","7","6","4","1","1") = "9"
    & skf18("2","10","7","6","4","2","1") = "9"
    & skf18("2","10","7","6","4","3","1") = "9"
    & skf18("2","10","7","6","4","4","1") = "9"
    & skf18("2","10","7","6","4","5","1") = "9"
    & skf18("2","10","7","6","4","6","1") = "9"
    & skf18("2","10","7","6","4","7","1") = "9"
    & skf18("2","10","7","6","4","8","1") = "9"
    & skf18("2","10","7","6","4","9","1") = "9"
    & skf18("2","10","7","6","4","10","1") = "9"
    & skf18("2","10","7","6","5","1","1") = "9"
    & skf18("2","10","7","6","5","2","1") = "9"
    & skf18("2","10","7","6","5","3","1") = "9"
    & skf18("2","10","7","6","5","4","1") = "9"
    & skf18("2","10","7","6","5","5","1") = "9"
    & skf18("2","10","7","6","5","6","1") = "9"
    & skf18("2","10","7","6","5","7","1") = "9"
    & skf18("2","10","7","6","5","8","1") = "9"
    & skf18("2","10","7","6","5","9","1") = "9"
    & skf18("2","10","7","6","5","10","1") = "9"
    & skf18("2","10","7","6","6","1","1") = "9"
    & skf18("2","10","7","6","6","2","1") = "9"
    & skf18("2","10","7","6","6","3","1") = "9"
    & skf18("2","10","7","6","6","4","1") = "9"
    & skf18("2","10","7","6","6","5","1") = "9"
    & skf18("2","10","7","6","6","6","1") = "9"
    & skf18("2","10","7","6","6","7","1") = "9"
    & skf18("2","10","7","6","6","8","1") = "9"
    & skf18("2","10","7","6","6","9","1") = "9"
    & skf18("2","10","7","6","6","10","1") = "9"
    & skf18("2","10","7","6","7","1","1") = "9"
    & skf18("2","10","7","6","7","2","1") = "9"
    & skf18("2","10","7","6","7","3","1") = "9"
    & skf18("2","10","7","6","7","4","1") = "9"
    & skf18("2","10","7","6","7","5","1") = "9"
    & skf18("2","10","7","6","7","6","1") = "9"
    & skf18("2","10","7","6","7","7","1") = "9"
    & skf18("2","10","7","6","7","8","1") = "9"
    & skf18("2","10","7","6","7","9","1") = "9"
    & skf18("2","10","7","6","7","10","1") = "9"
    & skf18("2","10","7","6","8","1","1") = "9"
    & skf18("2","10","7","6","8","2","1") = "9"
    & skf18("2","10","7","6","8","3","1") = "9"
    & skf18("2","10","7","6","8","4","1") = "9"
    & skf18("2","10","7","6","8","5","1") = "9"
    & skf18("2","10","7","6","8","6","1") = "9"
    & skf18("2","10","7","6","8","7","1") = "9"
    & skf18("2","10","7","6","8","8","1") = "9"
    & skf18("2","10","7","6","8","9","1") = "9"
    & skf18("2","10","7","6","8","10","1") = "9"
    & skf18("2","10","7","6","9","1","1") = "9"
    & skf18("2","10","7","6","9","2","1") = "9"
    & skf18("2","10","7","6","9","3","1") = "9"
    & skf18("2","10","7","6","9","4","1") = "9"
    & skf18("2","10","7","6","9","5","1") = "9"
    & skf18("2","10","7","6","9","6","1") = "9"
    & skf18("2","10","7","6","9","7","1") = "9"
    & skf18("2","10","7","6","9","8","1") = "9"
    & skf18("2","10","7","6","9","9","1") = "9"
    & skf18("2","10","7","6","9","10","1") = "9"
    & skf18("2","10","7","6","10","1","1") = "9"
    & skf18("2","10","7","6","10","2","1") = "9"
    & skf18("2","10","7","6","10","3","1") = "9"
    & skf18("2","10","7","6","10","4","1") = "9"
    & skf18("2","10","7","6","10","5","1") = "9"
    & skf18("2","10","7","6","10","6","1") = "9"
    & skf18("2","10","7","6","10","7","1") = "9"
    & skf18("2","10","7","6","10","8","1") = "9"
    & skf18("2","10","7","6","10","9","1") = "9"
    & skf18("2","10","7","6","10","10","1") = "9"
    & skf18("2","10","7","7","1","1","1") = "9"
    & skf18("2","10","7","7","1","2","1") = "9"
    & skf18("2","10","7","7","1","3","1") = "9"
    & skf18("2","10","7","7","1","4","1") = "9"
    & skf18("2","10","7","7","1","5","1") = "9"
    & skf18("2","10","7","7","1","6","1") = "9"
    & skf18("2","10","7","7","1","7","1") = "9"
    & skf18("2","10","7","7","1","8","1") = "9"
    & skf18("2","10","7","7","1","9","1") = "9"
    & skf18("2","10","7","7","1","10","1") = "9"
    & skf18("2","10","7","7","2","1","1") = "9"
    & skf18("2","10","7","7","2","2","1") = "9"
    & skf18("2","10","7","7","2","3","1") = "9"
    & skf18("2","10","7","7","2","4","1") = "9"
    & skf18("2","10","7","7","2","5","1") = "9"
    & skf18("2","10","7","7","2","6","1") = "9"
    & skf18("2","10","7","7","2","7","1") = "9"
    & skf18("2","10","7","7","2","8","1") = "9"
    & skf18("2","10","7","7","2","9","1") = "9"
    & skf18("2","10","7","7","2","10","1") = "9"
    & skf18("2","10","7","7","3","1","1") = "9"
    & skf18("2","10","7","7","3","2","1") = "9"
    & skf18("2","10","7","7","3","3","1") = "9"
    & skf18("2","10","7","7","3","4","1") = "9"
    & skf18("2","10","7","7","3","5","1") = "9"
    & skf18("2","10","7","7","3","6","1") = "9"
    & skf18("2","10","7","7","3","7","1") = "9"
    & skf18("2","10","7","7","3","8","1") = "9"
    & skf18("2","10","7","7","3","9","1") = "9"
    & skf18("2","10","7","7","3","10","1") = "9"
    & skf18("2","10","7","7","4","1","1") = "9"
    & skf18("2","10","7","7","4","2","1") = "9"
    & skf18("2","10","7","7","4","3","1") = "9"
    & skf18("2","10","7","7","4","4","1") = "9"
    & skf18("2","10","7","7","4","5","1") = "9"
    & skf18("2","10","7","7","4","6","1") = "9"
    & skf18("2","10","7","7","4","7","1") = "9"
    & skf18("2","10","7","7","4","8","1") = "9"
    & skf18("2","10","7","7","4","9","1") = "9"
    & skf18("2","10","7","7","4","10","1") = "9"
    & skf18("2","10","7","7","5","1","1") = "9"
    & skf18("2","10","7","7","5","2","1") = "9"
    & skf18("2","10","7","7","5","3","1") = "9"
    & skf18("2","10","7","7","5","4","1") = "9"
    & skf18("2","10","7","7","5","5","1") = "9"
    & skf18("2","10","7","7","5","6","1") = "9"
    & skf18("2","10","7","7","5","7","1") = "9"
    & skf18("2","10","7","7","5","8","1") = "9"
    & skf18("2","10","7","7","5","9","1") = "9"
    & skf18("2","10","7","7","5","10","1") = "9"
    & skf18("2","10","7","7","6","1","1") = "9"
    & skf18("2","10","7","7","6","2","1") = "9"
    & skf18("2","10","7","7","6","3","1") = "9"
    & skf18("2","10","7","7","6","4","1") = "9"
    & skf18("2","10","7","7","6","5","1") = "9"
    & skf18("2","10","7","7","6","6","1") = "9"
    & skf18("2","10","7","7","6","7","1") = "9"
    & skf18("2","10","7","7","6","8","1") = "9"
    & skf18("2","10","7","7","6","9","1") = "9"
    & skf18("2","10","7","7","6","10","1") = "9"
    & skf18("2","10","7","7","7","1","1") = "9"
    & skf18("2","10","7","7","7","2","1") = "9"
    & skf18("2","10","7","7","7","3","1") = "9"
    & skf18("2","10","7","7","7","4","1") = "9"
    & skf18("2","10","7","7","7","5","1") = "9"
    & skf18("2","10","7","7","7","6","1") = "9"
    & skf18("2","10","7","7","7","7","1") = "9"
    & skf18("2","10","7","7","7","8","1") = "9"
    & skf18("2","10","7","7","7","9","1") = "9"
    & skf18("2","10","7","7","7","10","1") = "9"
    & skf18("2","10","7","7","8","1","1") = "9"
    & skf18("2","10","7","7","8","2","1") = "9"
    & skf18("2","10","7","7","8","3","1") = "9"
    & skf18("2","10","7","7","8","4","1") = "9"
    & skf18("2","10","7","7","8","5","1") = "9"
    & skf18("2","10","7","7","8","6","1") = "9"
    & skf18("2","10","7","7","8","7","1") = "9"
    & skf18("2","10","7","7","8","8","1") = "9"
    & skf18("2","10","7","7","8","9","1") = "9"
    & skf18("2","10","7","7","8","10","1") = "9"
    & skf18("2","10","7","7","9","1","1") = "9"
    & skf18("2","10","7","7","9","2","1") = "9"
    & skf18("2","10","7","7","9","3","1") = "9"
    & skf18("2","10","7","7","9","4","1") = "9"
    & skf18("2","10","7","7","9","5","1") = "9"
    & skf18("2","10","7","7","9","6","1") = "9"
    & skf18("2","10","7","7","9","7","1") = "9"
    & skf18("2","10","7","7","9","8","1") = "9"
    & skf18("2","10","7","7","9","9","1") = "9"
    & skf18("2","10","7","7","9","10","1") = "9"
    & skf18("2","10","7","7","10","1","1") = "9"
    & skf18("2","10","7","7","10","2","1") = "9"
    & skf18("2","10","7","7","10","3","1") = "9"
    & skf18("2","10","7","7","10","4","1") = "9"
    & skf18("2","10","7","7","10","5","1") = "9"
    & skf18("2","10","7","7","10","6","1") = "9"
    & skf18("2","10","7","7","10","7","1") = "9"
    & skf18("2","10","7","7","10","8","1") = "9"
    & skf18("2","10","7","7","10","9","1") = "9"
    & skf18("2","10","7","7","10","10","1") = "9"
    & skf18("2","10","7","8","1","1","1") = "9"
    & skf18("2","10","7","8","1","2","1") = "9"
    & skf18("2","10","7","8","1","3","1") = "9"
    & skf18("2","10","7","8","1","4","1") = "9"
    & skf18("2","10","7","8","1","5","1") = "9"
    & skf18("2","10","7","8","1","6","1") = "9"
    & skf18("2","10","7","8","1","7","1") = "9"
    & skf18("2","10","7","8","1","8","1") = "9"
    & skf18("2","10","7","8","1","9","1") = "9"
    & skf18("2","10","7","8","1","10","1") = "9"
    & skf18("2","10","7","8","2","1","1") = "9"
    & skf18("2","10","7","8","2","2","1") = "9"
    & skf18("2","10","7","8","2","3","1") = "9"
    & skf18("2","10","7","8","2","4","1") = "9"
    & skf18("2","10","7","8","2","5","1") = "9"
    & skf18("2","10","7","8","2","6","1") = "9"
    & skf18("2","10","7","8","2","7","1") = "9"
    & skf18("2","10","7","8","2","8","1") = "9"
    & skf18("2","10","7","8","2","9","1") = "9"
    & skf18("2","10","7","8","2","10","1") = "9"
    & skf18("2","10","7","8","3","1","1") = "9"
    & skf18("2","10","7","8","3","2","1") = "9"
    & skf18("2","10","7","8","3","3","1") = "9"
    & skf18("2","10","7","8","3","4","1") = "9"
    & skf18("2","10","7","8","3","5","1") = "9"
    & skf18("2","10","7","8","3","6","1") = "9"
    & skf18("2","10","7","8","3","7","1") = "9"
    & skf18("2","10","7","8","3","8","1") = "9"
    & skf18("2","10","7","8","3","9","1") = "9"
    & skf18("2","10","7","8","3","10","1") = "9"
    & skf18("2","10","7","8","4","1","1") = "9"
    & skf18("2","10","7","8","4","2","1") = "9"
    & skf18("2","10","7","8","4","3","1") = "9"
    & skf18("2","10","7","8","4","4","1") = "9"
    & skf18("2","10","7","8","4","5","1") = "9"
    & skf18("2","10","7","8","4","6","1") = "9"
    & skf18("2","10","7","8","4","7","1") = "9"
    & skf18("2","10","7","8","4","8","1") = "9"
    & skf18("2","10","7","8","4","9","1") = "9"
    & skf18("2","10","7","8","4","10","1") = "9"
    & skf18("2","10","7","8","5","1","1") = "9"
    & skf18("2","10","7","8","5","2","1") = "9"
    & skf18("2","10","7","8","5","3","1") = "9"
    & skf18("2","10","7","8","5","4","1") = "9"
    & skf18("2","10","7","8","5","5","1") = "9"
    & skf18("2","10","7","8","5","6","1") = "9"
    & skf18("2","10","7","8","5","7","1") = "9"
    & skf18("2","10","7","8","5","8","1") = "9"
    & skf18("2","10","7","8","5","9","1") = "9"
    & skf18("2","10","7","8","5","10","1") = "9"
    & skf18("2","10","7","8","6","1","1") = "9"
    & skf18("2","10","7","8","6","2","1") = "9"
    & skf18("2","10","7","8","6","3","1") = "9"
    & skf18("2","10","7","8","6","4","1") = "9"
    & skf18("2","10","7","8","6","5","1") = "9"
    & skf18("2","10","7","8","6","6","1") = "9"
    & skf18("2","10","7","8","6","7","1") = "9"
    & skf18("2","10","7","8","6","8","1") = "9"
    & skf18("2","10","7","8","6","9","1") = "9"
    & skf18("2","10","7","8","6","10","1") = "9"
    & skf18("2","10","7","8","7","1","1") = "9"
    & skf18("2","10","7","8","7","2","1") = "9"
    & skf18("2","10","7","8","7","3","1") = "9"
    & skf18("2","10","7","8","7","4","1") = "9"
    & skf18("2","10","7","8","7","5","1") = "9"
    & skf18("2","10","7","8","7","6","1") = "9"
    & skf18("2","10","7","8","7","7","1") = "9"
    & skf18("2","10","7","8","7","8","1") = "9"
    & skf18("2","10","7","8","7","9","1") = "9"
    & skf18("2","10","7","8","7","10","1") = "9"
    & skf18("2","10","7","8","8","1","1") = "9"
    & skf18("2","10","7","8","8","2","1") = "9"
    & skf18("2","10","7","8","8","3","1") = "9"
    & skf18("2","10","7","8","8","4","1") = "9"
    & skf18("2","10","7","8","8","5","1") = "9"
    & skf18("2","10","7","8","8","6","1") = "9"
    & skf18("2","10","7","8","8","7","1") = "9"
    & skf18("2","10","7","8","8","8","1") = "9"
    & skf18("2","10","7","8","8","9","1") = "9"
    & skf18("2","10","7","8","8","10","1") = "9"
    & skf18("2","10","7","8","9","1","1") = "9"
    & skf18("2","10","7","8","9","2","1") = "9"
    & skf18("2","10","7","8","9","3","1") = "9"
    & skf18("2","10","7","8","9","4","1") = "9"
    & skf18("2","10","7","8","9","5","1") = "9"
    & skf18("2","10","7","8","9","6","1") = "9"
    & skf18("2","10","7","8","9","7","1") = "9"
    & skf18("2","10","7","8","9","8","1") = "9"
    & skf18("2","10","7","8","9","9","1") = "9"
    & skf18("2","10","7","8","9","10","1") = "9"
    & skf18("2","10","7","8","10","1","1") = "9"
    & skf18("2","10","7","8","10","2","1") = "9"
    & skf18("2","10","7","8","10","3","1") = "9"
    & skf18("2","10","7","8","10","4","1") = "9"
    & skf18("2","10","7","8","10","5","1") = "9"
    & skf18("2","10","7","8","10","6","1") = "9"
    & skf18("2","10","7","8","10","7","1") = "9"
    & skf18("2","10","7","8","10","8","1") = "9"
    & skf18("2","10","7","8","10","9","1") = "9"
    & skf18("2","10","7","8","10","10","1") = "9"
    & skf18("2","10","7","9","1","1","1") = "9"
    & skf18("2","10","7","9","1","2","1") = "9"
    & skf18("2","10","7","9","1","3","1") = "9"
    & skf18("2","10","7","9","1","4","1") = "9"
    & skf18("2","10","7","9","1","5","1") = "9"
    & skf18("2","10","7","9","1","6","1") = "9"
    & skf18("2","10","7","9","1","7","1") = "9"
    & skf18("2","10","7","9","1","8","1") = "9"
    & skf18("2","10","7","9","1","9","1") = "9"
    & skf18("2","10","7","9","1","10","1") = "9"
    & skf18("2","10","7","9","2","1","1") = "9"
    & skf18("2","10","7","9","2","2","1") = "9"
    & skf18("2","10","7","9","2","3","1") = "9"
    & skf18("2","10","7","9","2","4","1") = "9"
    & skf18("2","10","7","9","2","5","1") = "9"
    & skf18("2","10","7","9","2","6","1") = "9"
    & skf18("2","10","7","9","2","7","1") = "9"
    & skf18("2","10","7","9","2","8","1") = "9"
    & skf18("2","10","7","9","2","9","1") = "9"
    & skf18("2","10","7","9","2","10","1") = "9"
    & skf18("2","10","7","9","3","1","1") = "9"
    & skf18("2","10","7","9","3","2","1") = "9"
    & skf18("2","10","7","9","3","3","1") = "9"
    & skf18("2","10","7","9","3","4","1") = "9"
    & skf18("2","10","7","9","3","5","1") = "9"
    & skf18("2","10","7","9","3","6","1") = "9"
    & skf18("2","10","7","9","3","7","1") = "9"
    & skf18("2","10","7","9","3","8","1") = "9"
    & skf18("2","10","7","9","3","9","1") = "9"
    & skf18("2","10","7","9","3","10","1") = "9"
    & skf18("2","10","7","9","4","1","1") = "9"
    & skf18("2","10","7","9","4","2","1") = "9"
    & skf18("2","10","7","9","4","3","1") = "9"
    & skf18("2","10","7","9","4","4","1") = "9"
    & skf18("2","10","7","9","4","5","1") = "9"
    & skf18("2","10","7","9","4","6","1") = "9"
    & skf18("2","10","7","9","4","7","1") = "9"
    & skf18("2","10","7","9","4","8","1") = "9"
    & skf18("2","10","7","9","4","9","1") = "9"
    & skf18("2","10","7","9","4","10","1") = "9"
    & skf18("2","10","7","9","5","1","1") = "9"
    & skf18("2","10","7","9","5","2","1") = "9"
    & skf18("2","10","7","9","5","3","1") = "9"
    & skf18("2","10","7","9","5","4","1") = "9"
    & skf18("2","10","7","9","5","5","1") = "9"
    & skf18("2","10","7","9","5","6","1") = "9"
    & skf18("2","10","7","9","5","7","1") = "9"
    & skf18("2","10","7","9","5","8","1") = "9"
    & skf18("2","10","7","9","5","9","1") = "9"
    & skf18("2","10","7","9","5","10","1") = "9"
    & skf18("2","10","7","9","6","1","1") = "9"
    & skf18("2","10","7","9","6","2","1") = "9"
    & skf18("2","10","7","9","6","3","1") = "9"
    & skf18("2","10","7","9","6","4","1") = "9"
    & skf18("2","10","7","9","6","5","1") = "9"
    & skf18("2","10","7","9","6","6","1") = "9"
    & skf18("2","10","7","9","6","7","1") = "9"
    & skf18("2","10","7","9","6","8","1") = "9"
    & skf18("2","10","7","9","6","9","1") = "9"
    & skf18("2","10","7","9","6","10","1") = "9"
    & skf18("2","10","7","9","7","1","1") = "9"
    & skf18("2","10","7","9","7","2","1") = "9"
    & skf18("2","10","7","9","7","3","1") = "9"
    & skf18("2","10","7","9","7","4","1") = "9"
    & skf18("2","10","7","9","7","5","1") = "9"
    & skf18("2","10","7","9","7","6","1") = "9"
    & skf18("2","10","7","9","7","7","1") = "9"
    & skf18("2","10","7","9","7","8","1") = "9"
    & skf18("2","10","7","9","7","9","1") = "9"
    & skf18("2","10","7","9","7","10","1") = "9"
    & skf18("2","10","7","9","8","1","1") = "9"
    & skf18("2","10","7","9","8","2","1") = "9"
    & skf18("2","10","7","9","8","3","1") = "9"
    & skf18("2","10","7","9","8","4","1") = "9"
    & skf18("2","10","7","9","8","5","1") = "9"
    & skf18("2","10","7","9","8","6","1") = "9"
    & skf18("2","10","7","9","8","7","1") = "9"
    & skf18("2","10","7","9","8","8","1") = "9"
    & skf18("2","10","7","9","8","9","1") = "9"
    & skf18("2","10","7","9","8","10","1") = "9"
    & skf18("2","10","7","9","9","1","1") = "9"
    & skf18("2","10","7","9","9","2","1") = "9"
    & skf18("2","10","7","9","9","3","1") = "9"
    & skf18("2","10","7","9","9","4","1") = "9"
    & skf18("2","10","7","9","9","5","1") = "9"
    & skf18("2","10","7","9","9","6","1") = "9"
    & skf18("2","10","7","9","9","7","1") = "9"
    & skf18("2","10","7","9","9","8","1") = "9"
    & skf18("2","10","7","9","9","9","1") = "9"
    & skf18("2","10","7","9","9","10","1") = "9"
    & skf18("2","10","7","9","10","1","1") = "9"
    & skf18("2","10","7","9","10","2","1") = "9"
    & skf18("2","10","7","9","10","3","1") = "9"
    & skf18("2","10","7","9","10","4","1") = "9"
    & skf18("2","10","7","9","10","5","1") = "9"
    & skf18("2","10","7","9","10","6","1") = "9"
    & skf18("2","10","7","9","10","7","1") = "9"
    & skf18("2","10","7","9","10","8","1") = "9"
    & skf18("2","10","7","9","10","9","1") = "9"
    & skf18("2","10","7","9","10","10","1") = "9"
    & skf18("2","10","7","10","1","1","1") = "9"
    & skf18("2","10","7","10","1","2","1") = "9"
    & skf18("2","10","7","10","1","3","1") = "9"
    & skf18("2","10","7","10","1","4","1") = "9"
    & skf18("2","10","7","10","1","5","1") = "9"
    & skf18("2","10","7","10","1","6","1") = "9"
    & skf18("2","10","7","10","1","7","1") = "9"
    & skf18("2","10","7","10","1","8","1") = "9"
    & skf18("2","10","7","10","1","9","1") = "9"
    & skf18("2","10","7","10","1","10","1") = "9"
    & skf18("2","10","7","10","2","1","1") = "9"
    & skf18("2","10","7","10","2","2","1") = "9"
    & skf18("2","10","7","10","2","3","1") = "9"
    & skf18("2","10","7","10","2","4","1") = "9"
    & skf18("2","10","7","10","2","5","1") = "9"
    & skf18("2","10","7","10","2","6","1") = "9"
    & skf18("2","10","7","10","2","7","1") = "9"
    & skf18("2","10","7","10","2","8","1") = "9"
    & skf18("2","10","7","10","2","9","1") = "9"
    & skf18("2","10","7","10","2","10","1") = "9"
    & skf18("2","10","7","10","3","1","1") = "9"
    & skf18("2","10","7","10","3","2","1") = "9"
    & skf18("2","10","7","10","3","3","1") = "9"
    & skf18("2","10","7","10","3","4","1") = "9"
    & skf18("2","10","7","10","3","5","1") = "9"
    & skf18("2","10","7","10","3","6","1") = "9"
    & skf18("2","10","7","10","3","7","1") = "9"
    & skf18("2","10","7","10","3","8","1") = "9"
    & skf18("2","10","7","10","3","9","1") = "9"
    & skf18("2","10","7","10","3","10","1") = "9"
    & skf18("2","10","7","10","4","1","1") = "9"
    & skf18("2","10","7","10","4","2","1") = "9"
    & skf18("2","10","7","10","4","3","1") = "9"
    & skf18("2","10","7","10","4","4","1") = "9"
    & skf18("2","10","7","10","4","5","1") = "9"
    & skf18("2","10","7","10","4","6","1") = "9"
    & skf18("2","10","7","10","4","7","1") = "9"
    & skf18("2","10","7","10","4","8","1") = "9"
    & skf18("2","10","7","10","4","9","1") = "9"
    & skf18("2","10","7","10","4","10","1") = "9"
    & skf18("2","10","7","10","5","1","1") = "9"
    & skf18("2","10","7","10","5","2","1") = "9"
    & skf18("2","10","7","10","5","3","1") = "9"
    & skf18("2","10","7","10","5","4","1") = "9"
    & skf18("2","10","7","10","5","5","1") = "9"
    & skf18("2","10","7","10","5","6","1") = "9"
    & skf18("2","10","7","10","5","7","1") = "9"
    & skf18("2","10","7","10","5","8","1") = "9"
    & skf18("2","10","7","10","5","9","1") = "9"
    & skf18("2","10","7","10","5","10","1") = "9"
    & skf18("2","10","7","10","6","1","1") = "9"
    & skf18("2","10","7","10","6","2","1") = "9"
    & skf18("2","10","7","10","6","3","1") = "9"
    & skf18("2","10","7","10","6","4","1") = "9"
    & skf18("2","10","7","10","6","5","1") = "9"
    & skf18("2","10","7","10","6","6","1") = "9"
    & skf18("2","10","7","10","6","7","1") = "9"
    & skf18("2","10","7","10","6","8","1") = "9"
    & skf18("2","10","7","10","6","9","1") = "9"
    & skf18("2","10","7","10","6","10","1") = "9"
    & skf18("2","10","7","10","7","1","1") = "9"
    & skf18("2","10","7","10","7","2","1") = "9"
    & skf18("2","10","7","10","7","3","1") = "9"
    & skf18("2","10","7","10","7","4","1") = "9"
    & skf18("2","10","7","10","7","5","1") = "9"
    & skf18("2","10","7","10","7","6","1") = "9"
    & skf18("2","10","7","10","7","7","1") = "9"
    & skf18("2","10","7","10","7","8","1") = "9"
    & skf18("2","10","7","10","7","9","1") = "9"
    & skf18("2","10","7","10","7","10","1") = "9"
    & skf18("2","10","7","10","8","1","1") = "9"
    & skf18("2","10","7","10","8","2","1") = "9"
    & skf18("2","10","7","10","8","3","1") = "9"
    & skf18("2","10","7","10","8","4","1") = "9"
    & skf18("2","10","7","10","8","5","1") = "9"
    & skf18("2","10","7","10","8","6","1") = "9"
    & skf18("2","10","7","10","8","7","1") = "9"
    & skf18("2","10","7","10","8","8","1") = "9"
    & skf18("2","10","7","10","8","9","1") = "9"
    & skf18("2","10","7","10","8","10","1") = "9"
    & skf18("2","10","7","10","9","1","1") = "9"
    & skf18("2","10","7","10","9","2","1") = "9"
    & skf18("2","10","7","10","9","3","1") = "9"
    & skf18("2","10","7","10","9","4","1") = "9"
    & skf18("2","10","7","10","9","5","1") = "9"
    & skf18("2","10","7","10","9","6","1") = "9"
    & skf18("2","10","7","10","9","7","1") = "9"
    & skf18("2","10","7","10","9","8","1") = "9"
    & skf18("2","10","7","10","9","9","1") = "9"
    & skf18("2","10","7","10","9","10","1") = "9"
    & skf18("2","10","7","10","10","1","1") = "9"
    & skf18("2","10","7","10","10","2","1") = "9"
    & skf18("2","10","7","10","10","3","1") = "9"
    & skf18("2","10","7","10","10","4","1") = "9"
    & skf18("2","10","7","10","10","5","1") = "9"
    & skf18("2","10","7","10","10","6","1") = "9"
    & skf18("2","10","7","10","10","7","1") = "9"
    & skf18("2","10","7","10","10","8","1") = "9"
    & skf18("2","10","7","10","10","9","1") = "9"
    & skf18("2","10","7","10","10","10","1") = "9"
    & skf18("2","10","8","1","1","1","1") = "9"
    & skf18("2","10","8","1","1","2","1") = "9"
    & skf18("2","10","8","1","1","3","1") = "9"
    & skf18("2","10","8","1","1","4","1") = "9"
    & skf18("2","10","8","1","1","5","1") = "9"
    & skf18("2","10","8","1","1","6","1") = "9"
    & skf18("2","10","8","1","1","7","1") = "9"
    & skf18("2","10","8","1","1","8","1") = "9"
    & skf18("2","10","8","1","1","9","1") = "9"
    & skf18("2","10","8","1","1","10","1") = "9"
    & skf18("2","10","8","1","2","1","1") = "9"
    & skf18("2","10","8","1","2","2","1") = "9"
    & skf18("2","10","8","1","2","3","1") = "9"
    & skf18("2","10","8","1","2","4","1") = "9"
    & skf18("2","10","8","1","2","5","1") = "9"
    & skf18("2","10","8","1","2","6","1") = "9"
    & skf18("2","10","8","1","2","7","1") = "9"
    & skf18("2","10","8","1","2","8","1") = "9"
    & skf18("2","10","8","1","2","9","1") = "9"
    & skf18("2","10","8","1","2","10","1") = "9"
    & skf18("2","10","8","1","3","1","1") = "9"
    & skf18("2","10","8","1","3","2","1") = "9"
    & skf18("2","10","8","1","3","3","1") = "9"
    & skf18("2","10","8","1","3","4","1") = "9"
    & skf18("2","10","8","1","3","5","1") = "9"
    & skf18("2","10","8","1","3","6","1") = "9"
    & skf18("2","10","8","1","3","7","1") = "9"
    & skf18("2","10","8","1","3","8","1") = "9"
    & skf18("2","10","8","1","3","9","1") = "9"
    & skf18("2","10","8","1","3","10","1") = "9"
    & skf18("2","10","8","1","4","1","1") = "9"
    & skf18("2","10","8","1","4","2","1") = "9"
    & skf18("2","10","8","1","4","3","1") = "9"
    & skf18("2","10","8","1","4","4","1") = "9"
    & skf18("2","10","8","1","4","5","1") = "9"
    & skf18("2","10","8","1","4","6","1") = "9"
    & skf18("2","10","8","1","4","7","1") = "9"
    & skf18("2","10","8","1","4","8","1") = "9"
    & skf18("2","10","8","1","4","9","1") = "9"
    & skf18("2","10","8","1","4","10","1") = "9"
    & skf18("2","10","8","1","5","1","1") = "9"
    & skf18("2","10","8","1","5","2","1") = "9"
    & skf18("2","10","8","1","5","3","1") = "9"
    & skf18("2","10","8","1","5","4","1") = "9"
    & skf18("2","10","8","1","5","5","1") = "9"
    & skf18("2","10","8","1","5","6","1") = "9"
    & skf18("2","10","8","1","5","7","1") = "9"
    & skf18("2","10","8","1","5","8","1") = "9"
    & skf18("2","10","8","1","5","9","1") = "9"
    & skf18("2","10","8","1","5","10","1") = "9"
    & skf18("2","10","8","1","6","1","1") = "9"
    & skf18("2","10","8","1","6","2","1") = "9"
    & skf18("2","10","8","1","6","3","1") = "9"
    & skf18("2","10","8","1","6","4","1") = "9"
    & skf18("2","10","8","1","6","5","1") = "9"
    & skf18("2","10","8","1","6","6","1") = "9"
    & skf18("2","10","8","1","6","7","1") = "9"
    & skf18("2","10","8","1","6","8","1") = "9"
    & skf18("2","10","8","1","6","9","1") = "9"
    & skf18("2","10","8","1","6","10","1") = "9"
    & skf18("2","10","8","1","7","1","1") = "9"
    & skf18("2","10","8","1","7","2","1") = "9"
    & skf18("2","10","8","1","7","3","1") = "9"
    & skf18("2","10","8","1","7","4","1") = "9"
    & skf18("2","10","8","1","7","5","1") = "9"
    & skf18("2","10","8","1","7","6","1") = "9"
    & skf18("2","10","8","1","7","7","1") = "9"
    & skf18("2","10","8","1","7","8","1") = "9"
    & skf18("2","10","8","1","7","9","1") = "9"
    & skf18("2","10","8","1","7","10","1") = "9"
    & skf18("2","10","8","1","8","1","1") = "9"
    & skf18("2","10","8","1","8","2","1") = "9"
    & skf18("2","10","8","1","8","3","1") = "9"
    & skf18("2","10","8","1","8","4","1") = "9"
    & skf18("2","10","8","1","8","5","1") = "9"
    & skf18("2","10","8","1","8","6","1") = "9"
    & skf18("2","10","8","1","8","7","1") = "9"
    & skf18("2","10","8","1","8","8","1") = "9"
    & skf18("2","10","8","1","8","9","1") = "9"
    & skf18("2","10","8","1","8","10","1") = "9"
    & skf18("2","10","8","1","9","1","1") = "9"
    & skf18("2","10","8","1","9","2","1") = "9"
    & skf18("2","10","8","1","9","3","1") = "9"
    & skf18("2","10","8","1","9","4","1") = "9"
    & skf18("2","10","8","1","9","5","1") = "9"
    & skf18("2","10","8","1","9","6","1") = "9"
    & skf18("2","10","8","1","9","7","1") = "9"
    & skf18("2","10","8","1","9","8","1") = "9"
    & skf18("2","10","8","1","9","9","1") = "9"
    & skf18("2","10","8","1","9","10","1") = "9"
    & skf18("2","10","8","1","10","1","1") = "9"
    & skf18("2","10","8","1","10","2","1") = "9"
    & skf18("2","10","8","1","10","3","1") = "9"
    & skf18("2","10","8","1","10","4","1") = "9"
    & skf18("2","10","8","1","10","5","1") = "9"
    & skf18("2","10","8","1","10","6","1") = "9"
    & skf18("2","10","8","1","10","7","1") = "9"
    & skf18("2","10","8","1","10","8","1") = "9"
    & skf18("2","10","8","1","10","9","1") = "9"
    & skf18("2","10","8","1","10","10","1") = "9"
    & skf18("2","10","8","2","1","1","1") = "9"
    & skf18("2","10","8","2","1","2","1") = "9"
    & skf18("2","10","8","2","1","3","1") = "9"
    & skf18("2","10","8","2","1","4","1") = "9"
    & skf18("2","10","8","2","1","5","1") = "9"
    & skf18("2","10","8","2","1","6","1") = "9"
    & skf18("2","10","8","2","1","7","1") = "9"
    & skf18("2","10","8","2","1","8","1") = "9"
    & skf18("2","10","8","2","1","9","1") = "9"
    & skf18("2","10","8","2","1","10","1") = "9"
    & skf18("2","10","8","2","2","1","1") = "9"
    & skf18("2","10","8","2","2","2","1") = "9"
    & skf18("2","10","8","2","2","3","1") = "9"
    & skf18("2","10","8","2","2","4","1") = "9"
    & skf18("2","10","8","2","2","5","1") = "9"
    & skf18("2","10","8","2","2","6","1") = "9"
    & skf18("2","10","8","2","2","7","1") = "9"
    & skf18("2","10","8","2","2","8","1") = "9"
    & skf18("2","10","8","2","2","9","1") = "9"
    & skf18("2","10","8","2","2","10","1") = "9"
    & skf18("2","10","8","2","3","1","1") = "9"
    & skf18("2","10","8","2","3","2","1") = "9"
    & skf18("2","10","8","2","3","3","1") = "9"
    & skf18("2","10","8","2","3","4","1") = "9"
    & skf18("2","10","8","2","3","5","1") = "9"
    & skf18("2","10","8","2","3","6","1") = "9"
    & skf18("2","10","8","2","3","7","1") = "9"
    & skf18("2","10","8","2","3","8","1") = "9"
    & skf18("2","10","8","2","3","9","1") = "9"
    & skf18("2","10","8","2","3","10","1") = "9"
    & skf18("2","10","8","2","4","1","1") = "9"
    & skf18("2","10","8","2","4","2","1") = "9"
    & skf18("2","10","8","2","4","3","1") = "9"
    & skf18("2","10","8","2","4","4","1") = "9"
    & skf18("2","10","8","2","4","5","1") = "9"
    & skf18("2","10","8","2","4","6","1") = "9"
    & skf18("2","10","8","2","4","7","1") = "9"
    & skf18("2","10","8","2","4","8","1") = "9"
    & skf18("2","10","8","2","4","9","1") = "9"
    & skf18("2","10","8","2","4","10","1") = "9"
    & skf18("2","10","8","2","5","1","1") = "9"
    & skf18("2","10","8","2","5","2","1") = "9"
    & skf18("2","10","8","2","5","3","1") = "9"
    & skf18("2","10","8","2","5","4","1") = "9"
    & skf18("2","10","8","2","5","5","1") = "9"
    & skf18("2","10","8","2","5","6","1") = "9"
    & skf18("2","10","8","2","5","7","1") = "9"
    & skf18("2","10","8","2","5","8","1") = "9"
    & skf18("2","10","8","2","5","9","1") = "9"
    & skf18("2","10","8","2","5","10","1") = "9"
    & skf18("2","10","8","2","6","1","1") = "9"
    & skf18("2","10","8","2","6","2","1") = "9"
    & skf18("2","10","8","2","6","3","1") = "9"
    & skf18("2","10","8","2","6","4","1") = "9"
    & skf18("2","10","8","2","6","5","1") = "9"
    & skf18("2","10","8","2","6","6","1") = "9"
    & skf18("2","10","8","2","6","7","1") = "9"
    & skf18("2","10","8","2","6","8","1") = "9"
    & skf18("2","10","8","2","6","9","1") = "9"
    & skf18("2","10","8","2","6","10","1") = "9"
    & skf18("2","10","8","2","7","1","1") = "9"
    & skf18("2","10","8","2","7","2","1") = "9"
    & skf18("2","10","8","2","7","3","1") = "9"
    & skf18("2","10","8","2","7","4","1") = "9"
    & skf18("2","10","8","2","7","5","1") = "9"
    & skf18("2","10","8","2","7","6","1") = "9"
    & skf18("2","10","8","2","7","7","1") = "9"
    & skf18("2","10","8","2","7","8","1") = "9"
    & skf18("2","10","8","2","7","9","1") = "9"
    & skf18("2","10","8","2","7","10","1") = "9"
    & skf18("2","10","8","2","8","1","1") = "9"
    & skf18("2","10","8","2","8","2","1") = "9"
    & skf18("2","10","8","2","8","3","1") = "9"
    & skf18("2","10","8","2","8","4","1") = "9"
    & skf18("2","10","8","2","8","5","1") = "9"
    & skf18("2","10","8","2","8","6","1") = "9"
    & skf18("2","10","8","2","8","7","1") = "9"
    & skf18("2","10","8","2","8","8","1") = "9"
    & skf18("2","10","8","2","8","9","1") = "9"
    & skf18("2","10","8","2","8","10","1") = "9"
    & skf18("2","10","8","2","9","1","1") = "9"
    & skf18("2","10","8","2","9","2","1") = "9"
    & skf18("2","10","8","2","9","3","1") = "9"
    & skf18("2","10","8","2","9","4","1") = "9"
    & skf18("2","10","8","2","9","5","1") = "9"
    & skf18("2","10","8","2","9","6","1") = "9"
    & skf18("2","10","8","2","9","7","1") = "9"
    & skf18("2","10","8","2","9","8","1") = "9"
    & skf18("2","10","8","2","9","9","1") = "9"
    & skf18("2","10","8","2","9","10","1") = "9"
    & skf18("2","10","8","2","10","1","1") = "9"
    & skf18("2","10","8","2","10","2","1") = "9"
    & skf18("2","10","8","2","10","3","1") = "9"
    & skf18("2","10","8","2","10","4","1") = "9"
    & skf18("2","10","8","2","10","5","1") = "9"
    & skf18("2","10","8","2","10","6","1") = "9"
    & skf18("2","10","8","2","10","7","1") = "9"
    & skf18("2","10","8","2","10","8","1") = "9"
    & skf18("2","10","8","2","10","9","1") = "9"
    & skf18("2","10","8","2","10","10","1") = "9"
    & skf18("2","10","8","3","1","1","1") = "9"
    & skf18("2","10","8","3","1","2","1") = "9"
    & skf18("2","10","8","3","1","3","1") = "9"
    & skf18("2","10","8","3","1","4","1") = "9"
    & skf18("2","10","8","3","1","5","1") = "9"
    & skf18("2","10","8","3","1","6","1") = "9"
    & skf18("2","10","8","3","1","7","1") = "9"
    & skf18("2","10","8","3","1","8","1") = "9"
    & skf18("2","10","8","3","1","9","1") = "9"
    & skf18("2","10","8","3","1","10","1") = "9"
    & skf18("2","10","8","3","2","1","1") = "9"
    & skf18("2","10","8","3","2","2","1") = "9"
    & skf18("2","10","8","3","2","3","1") = "9"
    & skf18("2","10","8","3","2","4","1") = "9"
    & skf18("2","10","8","3","2","5","1") = "9"
    & skf18("2","10","8","3","2","6","1") = "9"
    & skf18("2","10","8","3","2","7","1") = "9"
    & skf18("2","10","8","3","2","8","1") = "9"
    & skf18("2","10","8","3","2","9","1") = "9"
    & skf18("2","10","8","3","2","10","1") = "9"
    & skf18("2","10","8","3","3","1","1") = "9"
    & skf18("2","10","8","3","3","2","1") = "9"
    & skf18("2","10","8","3","3","3","1") = "9"
    & skf18("2","10","8","3","3","4","1") = "9"
    & skf18("2","10","8","3","3","5","1") = "9"
    & skf18("2","10","8","3","3","6","1") = "9"
    & skf18("2","10","8","3","3","7","1") = "9"
    & skf18("2","10","8","3","3","8","1") = "9"
    & skf18("2","10","8","3","3","9","1") = "9"
    & skf18("2","10","8","3","3","10","1") = "9"
    & skf18("2","10","8","3","4","1","1") = "9"
    & skf18("2","10","8","3","4","2","1") = "9"
    & skf18("2","10","8","3","4","3","1") = "9"
    & skf18("2","10","8","3","4","4","1") = "9"
    & skf18("2","10","8","3","4","5","1") = "9"
    & skf18("2","10","8","3","4","6","1") = "9"
    & skf18("2","10","8","3","4","7","1") = "9"
    & skf18("2","10","8","3","4","8","1") = "9"
    & skf18("2","10","8","3","4","9","1") = "9"
    & skf18("2","10","8","3","4","10","1") = "9"
    & skf18("2","10","8","3","5","1","1") = "9"
    & skf18("2","10","8","3","5","2","1") = "9"
    & skf18("2","10","8","3","5","3","1") = "9"
    & skf18("2","10","8","3","5","4","1") = "9"
    & skf18("2","10","8","3","5","5","1") = "9"
    & skf18("2","10","8","3","5","6","1") = "9"
    & skf18("2","10","8","3","5","7","1") = "9"
    & skf18("2","10","8","3","5","8","1") = "9"
    & skf18("2","10","8","3","5","9","1") = "9"
    & skf18("2","10","8","3","5","10","1") = "9"
    & skf18("2","10","8","3","6","1","1") = "9"
    & skf18("2","10","8","3","6","2","1") = "9"
    & skf18("2","10","8","3","6","3","1") = "9"
    & skf18("2","10","8","3","6","4","1") = "9"
    & skf18("2","10","8","3","6","5","1") = "9"
    & skf18("2","10","8","3","6","6","1") = "9"
    & skf18("2","10","8","3","6","7","1") = "9"
    & skf18("2","10","8","3","6","8","1") = "9"
    & skf18("2","10","8","3","6","9","1") = "9"
    & skf18("2","10","8","3","6","10","1") = "9"
    & skf18("2","10","8","3","7","1","1") = "9"
    & skf18("2","10","8","3","7","2","1") = "9"
    & skf18("2","10","8","3","7","3","1") = "9"
    & skf18("2","10","8","3","7","4","1") = "9"
    & skf18("2","10","8","3","7","5","1") = "9"
    & skf18("2","10","8","3","7","6","1") = "9"
    & skf18("2","10","8","3","7","7","1") = "9"
    & skf18("2","10","8","3","7","8","1") = "9"
    & skf18("2","10","8","3","7","9","1") = "9"
    & skf18("2","10","8","3","7","10","1") = "9"
    & skf18("2","10","8","3","8","1","1") = "9"
    & skf18("2","10","8","3","8","2","1") = "9"
    & skf18("2","10","8","3","8","3","1") = "9"
    & skf18("2","10","8","3","8","4","1") = "9"
    & skf18("2","10","8","3","8","5","1") = "9"
    & skf18("2","10","8","3","8","6","1") = "9"
    & skf18("2","10","8","3","8","7","1") = "9"
    & skf18("2","10","8","3","8","8","1") = "9"
    & skf18("2","10","8","3","8","9","1") = "9"
    & skf18("2","10","8","3","8","10","1") = "9"
    & skf18("2","10","8","3","9","1","1") = "9"
    & skf18("2","10","8","3","9","2","1") = "9"
    & skf18("2","10","8","3","9","3","1") = "9"
    & skf18("2","10","8","3","9","4","1") = "9"
    & skf18("2","10","8","3","9","5","1") = "9"
    & skf18("2","10","8","3","9","6","1") = "9"
    & skf18("2","10","8","3","9","7","1") = "9"
    & skf18("2","10","8","3","9","8","1") = "9"
    & skf18("2","10","8","3","9","9","1") = "9"
    & skf18("2","10","8","3","9","10","1") = "9"
    & skf18("2","10","8","3","10","1","1") = "9"
    & skf18("2","10","8","3","10","2","1") = "9"
    & skf18("2","10","8","3","10","3","1") = "9"
    & skf18("2","10","8","3","10","4","1") = "9"
    & skf18("2","10","8","3","10","5","1") = "9"
    & skf18("2","10","8","3","10","6","1") = "9"
    & skf18("2","10","8","3","10","7","1") = "9"
    & skf18("2","10","8","3","10","8","1") = "9"
    & skf18("2","10","8","3","10","9","1") = "9"
    & skf18("2","10","8","3","10","10","1") = "9"
    & skf18("2","10","8","4","1","1","1") = "9"
    & skf18("2","10","8","4","1","2","1") = "9"
    & skf18("2","10","8","4","1","3","1") = "9"
    & skf18("2","10","8","4","1","4","1") = "9"
    & skf18("2","10","8","4","1","5","1") = "9"
    & skf18("2","10","8","4","1","6","1") = "9"
    & skf18("2","10","8","4","1","7","1") = "9"
    & skf18("2","10","8","4","1","8","1") = "9"
    & skf18("2","10","8","4","1","9","1") = "9"
    & skf18("2","10","8","4","1","10","1") = "9"
    & skf18("2","10","8","4","2","1","1") = "9"
    & skf18("2","10","8","4","2","2","1") = "9"
    & skf18("2","10","8","4","2","3","1") = "9"
    & skf18("2","10","8","4","2","4","1") = "9"
    & skf18("2","10","8","4","2","5","1") = "9"
    & skf18("2","10","8","4","2","6","1") = "9"
    & skf18("2","10","8","4","2","7","1") = "9"
    & skf18("2","10","8","4","2","8","1") = "9"
    & skf18("2","10","8","4","2","9","1") = "9"
    & skf18("2","10","8","4","2","10","1") = "9"
    & skf18("2","10","8","4","3","1","1") = "9"
    & skf18("2","10","8","4","3","2","1") = "9"
    & skf18("2","10","8","4","3","3","1") = "9"
    & skf18("2","10","8","4","3","4","1") = "9"
    & skf18("2","10","8","4","3","5","1") = "9"
    & skf18("2","10","8","4","3","6","1") = "9"
    & skf18("2","10","8","4","3","7","1") = "9"
    & skf18("2","10","8","4","3","8","1") = "9"
    & skf18("2","10","8","4","3","9","1") = "9"
    & skf18("2","10","8","4","3","10","1") = "9"
    & skf18("2","10","8","4","4","1","1") = "9"
    & skf18("2","10","8","4","4","2","1") = "9"
    & skf18("2","10","8","4","4","3","1") = "9"
    & skf18("2","10","8","4","4","4","1") = "9"
    & skf18("2","10","8","4","4","5","1") = "9"
    & skf18("2","10","8","4","4","6","1") = "9"
    & skf18("2","10","8","4","4","7","1") = "9"
    & skf18("2","10","8","4","4","8","1") = "9"
    & skf18("2","10","8","4","4","9","1") = "9"
    & skf18("2","10","8","4","4","10","1") = "9"
    & skf18("2","10","8","4","5","1","1") = "9"
    & skf18("2","10","8","4","5","2","1") = "9"
    & skf18("2","10","8","4","5","3","1") = "9"
    & skf18("2","10","8","4","5","4","1") = "9"
    & skf18("2","10","8","4","5","5","1") = "9"
    & skf18("2","10","8","4","5","6","1") = "9"
    & skf18("2","10","8","4","5","7","1") = "9"
    & skf18("2","10","8","4","5","8","1") = "9"
    & skf18("2","10","8","4","5","9","1") = "9"
    & skf18("2","10","8","4","5","10","1") = "9"
    & skf18("2","10","8","4","6","1","1") = "9"
    & skf18("2","10","8","4","6","2","1") = "9"
    & skf18("2","10","8","4","6","3","1") = "9"
    & skf18("2","10","8","4","6","4","1") = "9"
    & skf18("2","10","8","4","6","5","1") = "9"
    & skf18("2","10","8","4","6","6","1") = "9"
    & skf18("2","10","8","4","6","7","1") = "9"
    & skf18("2","10","8","4","6","8","1") = "9"
    & skf18("2","10","8","4","6","9","1") = "9"
    & skf18("2","10","8","4","6","10","1") = "9"
    & skf18("2","10","8","4","7","1","1") = "9"
    & skf18("2","10","8","4","7","2","1") = "9"
    & skf18("2","10","8","4","7","3","1") = "9"
    & skf18("2","10","8","4","7","4","1") = "9"
    & skf18("2","10","8","4","7","5","1") = "9"
    & skf18("2","10","8","4","7","6","1") = "9"
    & skf18("2","10","8","4","7","7","1") = "9"
    & skf18("2","10","8","4","7","8","1") = "9"
    & skf18("2","10","8","4","7","9","1") = "9"
    & skf18("2","10","8","4","7","10","1") = "9"
    & skf18("2","10","8","4","8","1","1") = "9"
    & skf18("2","10","8","4","8","2","1") = "9"
    & skf18("2","10","8","4","8","3","1") = "9"
    & skf18("2","10","8","4","8","4","1") = "9"
    & skf18("2","10","8","4","8","5","1") = "9"
    & skf18("2","10","8","4","8","6","1") = "9"
    & skf18("2","10","8","4","8","7","1") = "9"
    & skf18("2","10","8","4","8","8","1") = "9"
    & skf18("2","10","8","4","8","9","1") = "9"
    & skf18("2","10","8","4","8","10","1") = "9"
    & skf18("2","10","8","4","9","1","1") = "9"
    & skf18("2","10","8","4","9","2","1") = "9"
    & skf18("2","10","8","4","9","3","1") = "9"
    & skf18("2","10","8","4","9","4","1") = "9"
    & skf18("2","10","8","4","9","5","1") = "9"
    & skf18("2","10","8","4","9","6","1") = "9"
    & skf18("2","10","8","4","9","7","1") = "9"
    & skf18("2","10","8","4","9","8","1") = "9"
    & skf18("2","10","8","4","9","9","1") = "9"
    & skf18("2","10","8","4","9","10","1") = "9"
    & skf18("2","10","8","4","10","1","1") = "9"
    & skf18("2","10","8","4","10","2","1") = "9"
    & skf18("2","10","8","4","10","3","1") = "9"
    & skf18("2","10","8","4","10","4","1") = "9"
    & skf18("2","10","8","4","10","5","1") = "9"
    & skf18("2","10","8","4","10","6","1") = "9"
    & skf18("2","10","8","4","10","7","1") = "9"
    & skf18("2","10","8","4","10","8","1") = "9"
    & skf18("2","10","8","4","10","9","1") = "9"
    & skf18("2","10","8","4","10","10","1") = "9"
    & skf18("2","10","8","5","1","1","1") = "9"
    & skf18("2","10","8","5","1","2","1") = "9"
    & skf18("2","10","8","5","1","3","1") = "9"
    & skf18("2","10","8","5","1","4","1") = "9"
    & skf18("2","10","8","5","1","5","1") = "9"
    & skf18("2","10","8","5","1","6","1") = "9"
    & skf18("2","10","8","5","1","7","1") = "9"
    & skf18("2","10","8","5","1","8","1") = "9"
    & skf18("2","10","8","5","1","9","1") = "9"
    & skf18("2","10","8","5","1","10","1") = "9"
    & skf18("2","10","8","5","2","1","1") = "9"
    & skf18("2","10","8","5","2","2","1") = "9"
    & skf18("2","10","8","5","2","3","1") = "9"
    & skf18("2","10","8","5","2","4","1") = "9"
    & skf18("2","10","8","5","2","5","1") = "9"
    & skf18("2","10","8","5","2","6","1") = "9"
    & skf18("2","10","8","5","2","7","1") = "9"
    & skf18("2","10","8","5","2","8","1") = "9"
    & skf18("2","10","8","5","2","9","1") = "9"
    & skf18("2","10","8","5","2","10","1") = "9"
    & skf18("2","10","8","5","3","1","1") = "9"
    & skf18("2","10","8","5","3","2","1") = "9"
    & skf18("2","10","8","5","3","3","1") = "9"
    & skf18("2","10","8","5","3","4","1") = "9"
    & skf18("2","10","8","5","3","5","1") = "9"
    & skf18("2","10","8","5","3","6","1") = "9"
    & skf18("2","10","8","5","3","7","1") = "9"
    & skf18("2","10","8","5","3","8","1") = "9"
    & skf18("2","10","8","5","3","9","1") = "9"
    & skf18("2","10","8","5","3","10","1") = "9"
    & skf18("2","10","8","5","4","1","1") = "9"
    & skf18("2","10","8","5","4","2","1") = "9"
    & skf18("2","10","8","5","4","3","1") = "9"
    & skf18("2","10","8","5","4","4","1") = "9"
    & skf18("2","10","8","5","4","5","1") = "9"
    & skf18("2","10","8","5","4","6","1") = "9"
    & skf18("2","10","8","5","4","7","1") = "9"
    & skf18("2","10","8","5","4","8","1") = "9"
    & skf18("2","10","8","5","4","9","1") = "9"
    & skf18("2","10","8","5","4","10","1") = "9"
    & skf18("2","10","8","5","5","1","1") = "9"
    & skf18("2","10","8","5","5","2","1") = "9"
    & skf18("2","10","8","5","5","3","1") = "9"
    & skf18("2","10","8","5","5","4","1") = "9"
    & skf18("2","10","8","5","5","5","1") = "9"
    & skf18("2","10","8","5","5","6","1") = "9"
    & skf18("2","10","8","5","5","7","1") = "9"
    & skf18("2","10","8","5","5","8","1") = "9"
    & skf18("2","10","8","5","5","9","1") = "9"
    & skf18("2","10","8","5","5","10","1") = "9"
    & skf18("2","10","8","5","6","1","1") = "9"
    & skf18("2","10","8","5","6","2","1") = "9"
    & skf18("2","10","8","5","6","3","1") = "9"
    & skf18("2","10","8","5","6","4","1") = "9"
    & skf18("2","10","8","5","6","5","1") = "9"
    & skf18("2","10","8","5","6","6","1") = "9"
    & skf18("2","10","8","5","6","7","1") = "9"
    & skf18("2","10","8","5","6","8","1") = "9"
    & skf18("2","10","8","5","6","9","1") = "9"
    & skf18("2","10","8","5","6","10","1") = "9"
    & skf18("2","10","8","5","7","1","1") = "9"
    & skf18("2","10","8","5","7","2","1") = "9"
    & skf18("2","10","8","5","7","3","1") = "9"
    & skf18("2","10","8","5","7","4","1") = "9"
    & skf18("2","10","8","5","7","5","1") = "9"
    & skf18("2","10","8","5","7","6","1") = "9"
    & skf18("2","10","8","5","7","7","1") = "9"
    & skf18("2","10","8","5","7","8","1") = "9"
    & skf18("2","10","8","5","7","9","1") = "9"
    & skf18("2","10","8","5","7","10","1") = "9"
    & skf18("2","10","8","5","8","1","1") = "9"
    & skf18("2","10","8","5","8","2","1") = "9"
    & skf18("2","10","8","5","8","3","1") = "9"
    & skf18("2","10","8","5","8","4","1") = "9"
    & skf18("2","10","8","5","8","5","1") = "9"
    & skf18("2","10","8","5","8","6","1") = "9"
    & skf18("2","10","8","5","8","7","1") = "9"
    & skf18("2","10","8","5","8","8","1") = "9"
    & skf18("2","10","8","5","8","9","1") = "9"
    & skf18("2","10","8","5","8","10","1") = "9"
    & skf18("2","10","8","5","9","1","1") = "9"
    & skf18("2","10","8","5","9","2","1") = "9"
    & skf18("2","10","8","5","9","3","1") = "9"
    & skf18("2","10","8","5","9","4","1") = "9"
    & skf18("2","10","8","5","9","5","1") = "9"
    & skf18("2","10","8","5","9","6","1") = "9"
    & skf18("2","10","8","5","9","7","1") = "9"
    & skf18("2","10","8","5","9","8","1") = "9"
    & skf18("2","10","8","5","9","9","1") = "9"
    & skf18("2","10","8","5","9","10","1") = "9"
    & skf18("2","10","8","5","10","1","1") = "9"
    & skf18("2","10","8","5","10","2","1") = "9"
    & skf18("2","10","8","5","10","3","1") = "9"
    & skf18("2","10","8","5","10","4","1") = "9"
    & skf18("2","10","8","5","10","5","1") = "9"
    & skf18("2","10","8","5","10","6","1") = "9"
    & skf18("2","10","8","5","10","7","1") = "9"
    & skf18("2","10","8","5","10","8","1") = "9"
    & skf18("2","10","8","5","10","9","1") = "9"
    & skf18("2","10","8","5","10","10","1") = "9"
    & skf18("2","10","8","6","1","1","1") = "9"
    & skf18("2","10","8","6","1","2","1") = "9"
    & skf18("2","10","8","6","1","3","1") = "9"
    & skf18("2","10","8","6","1","4","1") = "9"
    & skf18("2","10","8","6","1","5","1") = "9"
    & skf18("2","10","8","6","1","6","1") = "9"
    & skf18("2","10","8","6","1","7","1") = "9"
    & skf18("2","10","8","6","1","8","1") = "9"
    & skf18("2","10","8","6","1","9","1") = "9"
    & skf18("2","10","8","6","1","10","1") = "9"
    & skf18("2","10","8","6","2","1","1") = "9"
    & skf18("2","10","8","6","2","2","1") = "9"
    & skf18("2","10","8","6","2","3","1") = "9"
    & skf18("2","10","8","6","2","4","1") = "9"
    & skf18("2","10","8","6","2","5","1") = "9"
    & skf18("2","10","8","6","2","6","1") = "9"
    & skf18("2","10","8","6","2","7","1") = "9"
    & skf18("2","10","8","6","2","8","1") = "9"
    & skf18("2","10","8","6","2","9","1") = "9"
    & skf18("2","10","8","6","2","10","1") = "9"
    & skf18("2","10","8","6","3","1","1") = "9"
    & skf18("2","10","8","6","3","2","1") = "9"
    & skf18("2","10","8","6","3","3","1") = "9"
    & skf18("2","10","8","6","3","4","1") = "9"
    & skf18("2","10","8","6","3","5","1") = "9"
    & skf18("2","10","8","6","3","6","1") = "9"
    & skf18("2","10","8","6","3","7","1") = "9"
    & skf18("2","10","8","6","3","8","1") = "9"
    & skf18("2","10","8","6","3","9","1") = "9"
    & skf18("2","10","8","6","3","10","1") = "9"
    & skf18("2","10","8","6","4","1","1") = "9"
    & skf18("2","10","8","6","4","2","1") = "9"
    & skf18("2","10","8","6","4","3","1") = "9"
    & skf18("2","10","8","6","4","4","1") = "9"
    & skf18("2","10","8","6","4","5","1") = "9"
    & skf18("2","10","8","6","4","6","1") = "9"
    & skf18("2","10","8","6","4","7","1") = "9"
    & skf18("2","10","8","6","4","8","1") = "9"
    & skf18("2","10","8","6","4","9","1") = "9"
    & skf18("2","10","8","6","4","10","1") = "9"
    & skf18("2","10","8","6","5","1","1") = "9"
    & skf18("2","10","8","6","5","2","1") = "9"
    & skf18("2","10","8","6","5","3","1") = "9"
    & skf18("2","10","8","6","5","4","1") = "9"
    & skf18("2","10","8","6","5","5","1") = "9"
    & skf18("2","10","8","6","5","6","1") = "9"
    & skf18("2","10","8","6","5","7","1") = "9"
    & skf18("2","10","8","6","5","8","1") = "9"
    & skf18("2","10","8","6","5","9","1") = "9"
    & skf18("2","10","8","6","5","10","1") = "9"
    & skf18("2","10","8","6","6","1","1") = "9"
    & skf18("2","10","8","6","6","2","1") = "9"
    & skf18("2","10","8","6","6","3","1") = "9"
    & skf18("2","10","8","6","6","4","1") = "9"
    & skf18("2","10","8","6","6","5","1") = "9"
    & skf18("2","10","8","6","6","6","1") = "9"
    & skf18("2","10","8","6","6","7","1") = "9"
    & skf18("2","10","8","6","6","8","1") = "9"
    & skf18("2","10","8","6","6","9","1") = "9"
    & skf18("2","10","8","6","6","10","1") = "9"
    & skf18("2","10","8","6","7","1","1") = "9"
    & skf18("2","10","8","6","7","2","1") = "9"
    & skf18("2","10","8","6","7","3","1") = "9"
    & skf18("2","10","8","6","7","4","1") = "9"
    & skf18("2","10","8","6","7","5","1") = "9"
    & skf18("2","10","8","6","7","6","1") = "9"
    & skf18("2","10","8","6","7","7","1") = "9"
    & skf18("2","10","8","6","7","8","1") = "9"
    & skf18("2","10","8","6","7","9","1") = "9"
    & skf18("2","10","8","6","7","10","1") = "9"
    & skf18("2","10","8","6","8","1","1") = "9"
    & skf18("2","10","8","6","8","2","1") = "9"
    & skf18("2","10","8","6","8","3","1") = "9"
    & skf18("2","10","8","6","8","4","1") = "9"
    & skf18("2","10","8","6","8","5","1") = "9"
    & skf18("2","10","8","6","8","6","1") = "9"
    & skf18("2","10","8","6","8","7","1") = "9"
    & skf18("2","10","8","6","8","8","1") = "9"
    & skf18("2","10","8","6","8","9","1") = "9"
    & skf18("2","10","8","6","8","10","1") = "9"
    & skf18("2","10","8","6","9","1","1") = "9"
    & skf18("2","10","8","6","9","2","1") = "9"
    & skf18("2","10","8","6","9","3","1") = "9"
    & skf18("2","10","8","6","9","4","1") = "9"
    & skf18("2","10","8","6","9","5","1") = "9"
    & skf18("2","10","8","6","9","6","1") = "9"
    & skf18("2","10","8","6","9","7","1") = "9"
    & skf18("2","10","8","6","9","8","1") = "9"
    & skf18("2","10","8","6","9","9","1") = "9"
    & skf18("2","10","8","6","9","10","1") = "9"
    & skf18("2","10","8","6","10","1","1") = "9"
    & skf18("2","10","8","6","10","2","1") = "9"
    & skf18("2","10","8","6","10","3","1") = "9"
    & skf18("2","10","8","6","10","4","1") = "9"
    & skf18("2","10","8","6","10","5","1") = "9"
    & skf18("2","10","8","6","10","6","1") = "9"
    & skf18("2","10","8","6","10","7","1") = "9"
    & skf18("2","10","8","6","10","8","1") = "9"
    & skf18("2","10","8","6","10","9","1") = "9"
    & skf18("2","10","8","6","10","10","1") = "9"
    & skf18("2","10","8","7","1","1","1") = "9"
    & skf18("2","10","8","7","1","2","1") = "9"
    & skf18("2","10","8","7","1","3","1") = "9"
    & skf18("2","10","8","7","1","4","1") = "9"
    & skf18("2","10","8","7","1","5","1") = "9"
    & skf18("2","10","8","7","1","6","1") = "9"
    & skf18("2","10","8","7","1","7","1") = "9"
    & skf18("2","10","8","7","1","8","1") = "9"
    & skf18("2","10","8","7","1","9","1") = "9"
    & skf18("2","10","8","7","1","10","1") = "9"
    & skf18("2","10","8","7","2","1","1") = "9"
    & skf18("2","10","8","7","2","2","1") = "9"
    & skf18("2","10","8","7","2","3","1") = "9"
    & skf18("2","10","8","7","2","4","1") = "9"
    & skf18("2","10","8","7","2","5","1") = "9"
    & skf18("2","10","8","7","2","6","1") = "9"
    & skf18("2","10","8","7","2","7","1") = "9"
    & skf18("2","10","8","7","2","8","1") = "9"
    & skf18("2","10","8","7","2","9","1") = "9"
    & skf18("2","10","8","7","2","10","1") = "9"
    & skf18("2","10","8","7","3","1","1") = "9"
    & skf18("2","10","8","7","3","2","1") = "9"
    & skf18("2","10","8","7","3","3","1") = "9"
    & skf18("2","10","8","7","3","4","1") = "9"
    & skf18("2","10","8","7","3","5","1") = "9"
    & skf18("2","10","8","7","3","6","1") = "9"
    & skf18("2","10","8","7","3","7","1") = "9"
    & skf18("2","10","8","7","3","8","1") = "9"
    & skf18("2","10","8","7","3","9","1") = "9"
    & skf18("2","10","8","7","3","10","1") = "9"
    & skf18("2","10","8","7","4","1","1") = "9"
    & skf18("2","10","8","7","4","2","1") = "9"
    & skf18("2","10","8","7","4","3","1") = "9"
    & skf18("2","10","8","7","4","4","1") = "9"
    & skf18("2","10","8","7","4","5","1") = "9"
    & skf18("2","10","8","7","4","6","1") = "9"
    & skf18("2","10","8","7","4","7","1") = "9"
    & skf18("2","10","8","7","4","8","1") = "9"
    & skf18("2","10","8","7","4","9","1") = "9"
    & skf18("2","10","8","7","4","10","1") = "9"
    & skf18("2","10","8","7","5","1","1") = "9"
    & skf18("2","10","8","7","5","2","1") = "9"
    & skf18("2","10","8","7","5","3","1") = "9"
    & skf18("2","10","8","7","5","4","1") = "9"
    & skf18("2","10","8","7","5","5","1") = "9"
    & skf18("2","10","8","7","5","6","1") = "9"
    & skf18("2","10","8","7","5","7","1") = "9"
    & skf18("2","10","8","7","5","8","1") = "9"
    & skf18("2","10","8","7","5","9","1") = "9"
    & skf18("2","10","8","7","5","10","1") = "9"
    & skf18("2","10","8","7","6","1","1") = "9"
    & skf18("2","10","8","7","6","2","1") = "9"
    & skf18("2","10","8","7","6","3","1") = "9"
    & skf18("2","10","8","7","6","4","1") = "9"
    & skf18("2","10","8","7","6","5","1") = "9"
    & skf18("2","10","8","7","6","6","1") = "9"
    & skf18("2","10","8","7","6","7","1") = "9"
    & skf18("2","10","8","7","6","8","1") = "9"
    & skf18("2","10","8","7","6","9","1") = "9"
    & skf18("2","10","8","7","6","10","1") = "9"
    & skf18("2","10","8","7","7","1","1") = "9"
    & skf18("2","10","8","7","7","2","1") = "9"
    & skf18("2","10","8","7","7","3","1") = "9"
    & skf18("2","10","8","7","7","4","1") = "9"
    & skf18("2","10","8","7","7","5","1") = "9"
    & skf18("2","10","8","7","7","6","1") = "9"
    & skf18("2","10","8","7","7","7","1") = "9"
    & skf18("2","10","8","7","7","8","1") = "9"
    & skf18("2","10","8","7","7","9","1") = "9"
    & skf18("2","10","8","7","7","10","1") = "9"
    & skf18("2","10","8","7","8","1","1") = "9"
    & skf18("2","10","8","7","8","2","1") = "9"
    & skf18("2","10","8","7","8","3","1") = "9"
    & skf18("2","10","8","7","8","4","1") = "9"
    & skf18("2","10","8","7","8","5","1") = "9"
    & skf18("2","10","8","7","8","6","1") = "9"
    & skf18("2","10","8","7","8","7","1") = "9"
    & skf18("2","10","8","7","8","8","1") = "9"
    & skf18("2","10","8","7","8","9","1") = "9"
    & skf18("2","10","8","7","8","10","1") = "9"
    & skf18("2","10","8","7","9","1","1") = "9"
    & skf18("2","10","8","7","9","2","1") = "9"
    & skf18("2","10","8","7","9","3","1") = "9"
    & skf18("2","10","8","7","9","4","1") = "9"
    & skf18("2","10","8","7","9","5","1") = "9"
    & skf18("2","10","8","7","9","6","1") = "9"
    & skf18("2","10","8","7","9","7","1") = "9"
    & skf18("2","10","8","7","9","8","1") = "9"
    & skf18("2","10","8","7","9","9","1") = "9"
    & skf18("2","10","8","7","9","10","1") = "9"
    & skf18("2","10","8","7","10","1","1") = "9"
    & skf18("2","10","8","7","10","2","1") = "9"
    & skf18("2","10","8","7","10","3","1") = "9"
    & skf18("2","10","8","7","10","4","1") = "9"
    & skf18("2","10","8","7","10","5","1") = "9"
    & skf18("2","10","8","7","10","6","1") = "9"
    & skf18("2","10","8","7","10","7","1") = "9"
    & skf18("2","10","8","7","10","8","1") = "9"
    & skf18("2","10","8","7","10","9","1") = "9"
    & skf18("2","10","8","7","10","10","1") = "9"
    & skf18("2","10","8","8","1","1","1") = "9"
    & skf18("2","10","8","8","1","2","1") = "9"
    & skf18("2","10","8","8","1","3","1") = "9"
    & skf18("2","10","8","8","1","4","1") = "9"
    & skf18("2","10","8","8","1","5","1") = "9"
    & skf18("2","10","8","8","1","6","1") = "9"
    & skf18("2","10","8","8","1","7","1") = "9"
    & skf18("2","10","8","8","1","8","1") = "9"
    & skf18("2","10","8","8","1","9","1") = "9"
    & skf18("2","10","8","8","1","10","1") = "9"
    & skf18("2","10","8","8","2","1","1") = "9"
    & skf18("2","10","8","8","2","2","1") = "9"
    & skf18("2","10","8","8","2","3","1") = "9"
    & skf18("2","10","8","8","2","4","1") = "9"
    & skf18("2","10","8","8","2","5","1") = "9"
    & skf18("2","10","8","8","2","6","1") = "9"
    & skf18("2","10","8","8","2","7","1") = "9"
    & skf18("2","10","8","8","2","8","1") = "9"
    & skf18("2","10","8","8","2","9","1") = "9"
    & skf18("2","10","8","8","2","10","1") = "9"
    & skf18("2","10","8","8","3","1","1") = "9"
    & skf18("2","10","8","8","3","2","1") = "9"
    & skf18("2","10","8","8","3","3","1") = "9"
    & skf18("2","10","8","8","3","4","1") = "9"
    & skf18("2","10","8","8","3","5","1") = "9"
    & skf18("2","10","8","8","3","6","1") = "9"
    & skf18("2","10","8","8","3","7","1") = "9"
    & skf18("2","10","8","8","3","8","1") = "9"
    & skf18("2","10","8","8","3","9","1") = "9"
    & skf18("2","10","8","8","3","10","1") = "9"
    & skf18("2","10","8","8","4","1","1") = "9"
    & skf18("2","10","8","8","4","2","1") = "9"
    & skf18("2","10","8","8","4","3","1") = "9"
    & skf18("2","10","8","8","4","4","1") = "9"
    & skf18("2","10","8","8","4","5","1") = "9"
    & skf18("2","10","8","8","4","6","1") = "9"
    & skf18("2","10","8","8","4","7","1") = "9"
    & skf18("2","10","8","8","4","8","1") = "9"
    & skf18("2","10","8","8","4","9","1") = "9"
    & skf18("2","10","8","8","4","10","1") = "9"
    & skf18("2","10","8","8","5","1","1") = "9"
    & skf18("2","10","8","8","5","2","1") = "9"
    & skf18("2","10","8","8","5","3","1") = "9"
    & skf18("2","10","8","8","5","4","1") = "9"
    & skf18("2","10","8","8","5","5","1") = "9"
    & skf18("2","10","8","8","5","6","1") = "9"
    & skf18("2","10","8","8","5","7","1") = "9"
    & skf18("2","10","8","8","5","8","1") = "9"
    & skf18("2","10","8","8","5","9","1") = "9"
    & skf18("2","10","8","8","5","10","1") = "9"
    & skf18("2","10","8","8","6","1","1") = "9"
    & skf18("2","10","8","8","6","2","1") = "9"
    & skf18("2","10","8","8","6","3","1") = "9"
    & skf18("2","10","8","8","6","4","1") = "9"
    & skf18("2","10","8","8","6","5","1") = "9"
    & skf18("2","10","8","8","6","6","1") = "9"
    & skf18("2","10","8","8","6","7","1") = "9"
    & skf18("2","10","8","8","6","8","1") = "9"
    & skf18("2","10","8","8","6","9","1") = "9"
    & skf18("2","10","8","8","6","10","1") = "9"
    & skf18("2","10","8","8","7","1","1") = "9"
    & skf18("2","10","8","8","7","2","1") = "9"
    & skf18("2","10","8","8","7","3","1") = "9"
    & skf18("2","10","8","8","7","4","1") = "9"
    & skf18("2","10","8","8","7","5","1") = "9"
    & skf18("2","10","8","8","7","6","1") = "9"
    & skf18("2","10","8","8","7","7","1") = "9"
    & skf18("2","10","8","8","7","8","1") = "9"
    & skf18("2","10","8","8","7","9","1") = "9"
    & skf18("2","10","8","8","7","10","1") = "9"
    & skf18("2","10","8","8","8","1","1") = "9"
    & skf18("2","10","8","8","8","2","1") = "9"
    & skf18("2","10","8","8","8","3","1") = "9"
    & skf18("2","10","8","8","8","4","1") = "9"
    & skf18("2","10","8","8","8","5","1") = "9"
    & skf18("2","10","8","8","8","6","1") = "9"
    & skf18("2","10","8","8","8","7","1") = "9"
    & skf18("2","10","8","8","8","8","1") = "9"
    & skf18("2","10","8","8","8","9","1") = "9"
    & skf18("2","10","8","8","8","10","1") = "9"
    & skf18("2","10","8","8","9","1","1") = "9"
    & skf18("2","10","8","8","9","2","1") = "9"
    & skf18("2","10","8","8","9","3","1") = "9"
    & skf18("2","10","8","8","9","4","1") = "9"
    & skf18("2","10","8","8","9","5","1") = "9"
    & skf18("2","10","8","8","9","6","1") = "9"
    & skf18("2","10","8","8","9","7","1") = "9"
    & skf18("2","10","8","8","9","8","1") = "9"
    & skf18("2","10","8","8","9","9","1") = "9"
    & skf18("2","10","8","8","9","10","1") = "9"
    & skf18("2","10","8","8","10","1","1") = "9"
    & skf18("2","10","8","8","10","2","1") = "9"
    & skf18("2","10","8","8","10","3","1") = "9"
    & skf18("2","10","8","8","10","4","1") = "9"
    & skf18("2","10","8","8","10","5","1") = "9"
    & skf18("2","10","8","8","10","6","1") = "9"
    & skf18("2","10","8","8","10","7","1") = "9"
    & skf18("2","10","8","8","10","8","1") = "9"
    & skf18("2","10","8","8","10","9","1") = "9"
    & skf18("2","10","8","8","10","10","1") = "9"
    & skf18("2","10","8","9","1","1","1") = "9"
    & skf18("2","10","8","9","1","2","1") = "9"
    & skf18("2","10","8","9","1","3","1") = "9"
    & skf18("2","10","8","9","1","4","1") = "9"
    & skf18("2","10","8","9","1","5","1") = "9"
    & skf18("2","10","8","9","1","6","1") = "9"
    & skf18("2","10","8","9","1","7","1") = "9"
    & skf18("2","10","8","9","1","8","1") = "9"
    & skf18("2","10","8","9","1","9","1") = "9"
    & skf18("2","10","8","9","1","10","1") = "9"
    & skf18("2","10","8","9","2","1","1") = "9"
    & skf18("2","10","8","9","2","2","1") = "9"
    & skf18("2","10","8","9","2","3","1") = "9"
    & skf18("2","10","8","9","2","4","1") = "9"
    & skf18("2","10","8","9","2","5","1") = "9"
    & skf18("2","10","8","9","2","6","1") = "9"
    & skf18("2","10","8","9","2","7","1") = "9"
    & skf18("2","10","8","9","2","8","1") = "9"
    & skf18("2","10","8","9","2","9","1") = "9"
    & skf18("2","10","8","9","2","10","1") = "9"
    & skf18("2","10","8","9","3","1","1") = "9"
    & skf18("2","10","8","9","3","2","1") = "9"
    & skf18("2","10","8","9","3","3","1") = "9"
    & skf18("2","10","8","9","3","4","1") = "9"
    & skf18("2","10","8","9","3","5","1") = "9"
    & skf18("2","10","8","9","3","6","1") = "9"
    & skf18("2","10","8","9","3","7","1") = "9"
    & skf18("2","10","8","9","3","8","1") = "9"
    & skf18("2","10","8","9","3","9","1") = "9"
    & skf18("2","10","8","9","3","10","1") = "9"
    & skf18("2","10","8","9","4","1","1") = "9"
    & skf18("2","10","8","9","4","2","1") = "9"
    & skf18("2","10","8","9","4","3","1") = "9"
    & skf18("2","10","8","9","4","4","1") = "9"
    & skf18("2","10","8","9","4","5","1") = "9"
    & skf18("2","10","8","9","4","6","1") = "9"
    & skf18("2","10","8","9","4","7","1") = "9"
    & skf18("2","10","8","9","4","8","1") = "9"
    & skf18("2","10","8","9","4","9","1") = "9"
    & skf18("2","10","8","9","4","10","1") = "9"
    & skf18("2","10","8","9","5","1","1") = "9"
    & skf18("2","10","8","9","5","2","1") = "9"
    & skf18("2","10","8","9","5","3","1") = "9"
    & skf18("2","10","8","9","5","4","1") = "9"
    & skf18("2","10","8","9","5","5","1") = "9"
    & skf18("2","10","8","9","5","6","1") = "9"
    & skf18("2","10","8","9","5","7","1") = "9"
    & skf18("2","10","8","9","5","8","1") = "9"
    & skf18("2","10","8","9","5","9","1") = "9"
    & skf18("2","10","8","9","5","10","1") = "9"
    & skf18("2","10","8","9","6","1","1") = "9"
    & skf18("2","10","8","9","6","2","1") = "9"
    & skf18("2","10","8","9","6","3","1") = "9"
    & skf18("2","10","8","9","6","4","1") = "9"
    & skf18("2","10","8","9","6","5","1") = "9"
    & skf18("2","10","8","9","6","6","1") = "9"
    & skf18("2","10","8","9","6","7","1") = "9"
    & skf18("2","10","8","9","6","8","1") = "9"
    & skf18("2","10","8","9","6","9","1") = "9"
    & skf18("2","10","8","9","6","10","1") = "9"
    & skf18("2","10","8","9","7","1","1") = "9"
    & skf18("2","10","8","9","7","2","1") = "9"
    & skf18("2","10","8","9","7","3","1") = "9"
    & skf18("2","10","8","9","7","4","1") = "9"
    & skf18("2","10","8","9","7","5","1") = "9"
    & skf18("2","10","8","9","7","6","1") = "9"
    & skf18("2","10","8","9","7","7","1") = "9"
    & skf18("2","10","8","9","7","8","1") = "9"
    & skf18("2","10","8","9","7","9","1") = "9"
    & skf18("2","10","8","9","7","10","1") = "9"
    & skf18("2","10","8","9","8","1","1") = "9"
    & skf18("2","10","8","9","8","2","1") = "9"
    & skf18("2","10","8","9","8","3","1") = "9"
    & skf18("2","10","8","9","8","4","1") = "9"
    & skf18("2","10","8","9","8","5","1") = "9"
    & skf18("2","10","8","9","8","6","1") = "9"
    & skf18("2","10","8","9","8","7","1") = "9"
    & skf18("2","10","8","9","8","8","1") = "9"
    & skf18("2","10","8","9","8","9","1") = "9"
    & skf18("2","10","8","9","8","10","1") = "9"
    & skf18("2","10","8","9","9","1","1") = "9"
    & skf18("2","10","8","9","9","2","1") = "9"
    & skf18("2","10","8","9","9","3","1") = "9"
    & skf18("2","10","8","9","9","4","1") = "9"
    & skf18("2","10","8","9","9","5","1") = "9"
    & skf18("2","10","8","9","9","6","1") = "9"
    & skf18("2","10","8","9","9","7","1") = "9"
    & skf18("2","10","8","9","9","8","1") = "9"
    & skf18("2","10","8","9","9","9","1") = "9"
    & skf18("2","10","8","9","9","10","1") = "9"
    & skf18("2","10","8","9","10","1","1") = "9"
    & skf18("2","10","8","9","10","2","1") = "9"
    & skf18("2","10","8","9","10","3","1") = "9"
    & skf18("2","10","8","9","10","4","1") = "9"
    & skf18("2","10","8","9","10","5","1") = "9"
    & skf18("2","10","8","9","10","6","1") = "9"
    & skf18("2","10","8","9","10","7","1") = "9"
    & skf18("2","10","8","9","10","8","1") = "9"
    & skf18("2","10","8","9","10","9","1") = "9"
    & skf18("2","10","8","9","10","10","1") = "9"
    & skf18("2","10","8","10","1","1","1") = "9"
    & skf18("2","10","8","10","1","2","1") = "9"
    & skf18("2","10","8","10","1","3","1") = "9"
    & skf18("2","10","8","10","1","4","1") = "9"
    & skf18("2","10","8","10","1","5","1") = "9"
    & skf18("2","10","8","10","1","6","1") = "9"
    & skf18("2","10","8","10","1","7","1") = "9"
    & skf18("2","10","8","10","1","8","1") = "9"
    & skf18("2","10","8","10","1","9","1") = "9"
    & skf18("2","10","8","10","1","10","1") = "9"
    & skf18("2","10","8","10","2","1","1") = "9"
    & skf18("2","10","8","10","2","2","1") = "9"
    & skf18("2","10","8","10","2","3","1") = "9"
    & skf18("2","10","8","10","2","4","1") = "9"
    & skf18("2","10","8","10","2","5","1") = "9"
    & skf18("2","10","8","10","2","6","1") = "9"
    & skf18("2","10","8","10","2","7","1") = "9"
    & skf18("2","10","8","10","2","8","1") = "9"
    & skf18("2","10","8","10","2","9","1") = "9"
    & skf18("2","10","8","10","2","10","1") = "9"
    & skf18("2","10","8","10","3","1","1") = "9"
    & skf18("2","10","8","10","3","2","1") = "9"
    & skf18("2","10","8","10","3","3","1") = "9"
    & skf18("2","10","8","10","3","4","1") = "9"
    & skf18("2","10","8","10","3","5","1") = "9"
    & skf18("2","10","8","10","3","6","1") = "9"
    & skf18("2","10","8","10","3","7","1") = "9"
    & skf18("2","10","8","10","3","8","1") = "9"
    & skf18("2","10","8","10","3","9","1") = "9"
    & skf18("2","10","8","10","3","10","1") = "9"
    & skf18("2","10","8","10","4","1","1") = "9"
    & skf18("2","10","8","10","4","2","1") = "9"
    & skf18("2","10","8","10","4","3","1") = "9"
    & skf18("2","10","8","10","4","4","1") = "9"
    & skf18("2","10","8","10","4","5","1") = "9"
    & skf18("2","10","8","10","4","6","1") = "9"
    & skf18("2","10","8","10","4","7","1") = "9"
    & skf18("2","10","8","10","4","8","1") = "9"
    & skf18("2","10","8","10","4","9","1") = "9"
    & skf18("2","10","8","10","4","10","1") = "9"
    & skf18("2","10","8","10","5","1","1") = "9"
    & skf18("2","10","8","10","5","2","1") = "9"
    & skf18("2","10","8","10","5","3","1") = "9"
    & skf18("2","10","8","10","5","4","1") = "9"
    & skf18("2","10","8","10","5","5","1") = "9"
    & skf18("2","10","8","10","5","6","1") = "9"
    & skf18("2","10","8","10","5","7","1") = "9"
    & skf18("2","10","8","10","5","8","1") = "9"
    & skf18("2","10","8","10","5","9","1") = "9"
    & skf18("2","10","8","10","5","10","1") = "9"
    & skf18("2","10","8","10","6","1","1") = "9"
    & skf18("2","10","8","10","6","2","1") = "9"
    & skf18("2","10","8","10","6","3","1") = "9"
    & skf18("2","10","8","10","6","4","1") = "9"
    & skf18("2","10","8","10","6","5","1") = "9"
    & skf18("2","10","8","10","6","6","1") = "9"
    & skf18("2","10","8","10","6","7","1") = "9"
    & skf18("2","10","8","10","6","8","1") = "9"
    & skf18("2","10","8","10","6","9","1") = "9"
    & skf18("2","10","8","10","6","10","1") = "9"
    & skf18("2","10","8","10","7","1","1") = "9"
    & skf18("2","10","8","10","7","2","1") = "9"
    & skf18("2","10","8","10","7","3","1") = "9"
    & skf18("2","10","8","10","7","4","1") = "9"
    & skf18("2","10","8","10","7","5","1") = "9"
    & skf18("2","10","8","10","7","6","1") = "9"
    & skf18("2","10","8","10","7","7","1") = "9"
    & skf18("2","10","8","10","7","8","1") = "9"
    & skf18("2","10","8","10","7","9","1") = "9"
    & skf18("2","10","8","10","7","10","1") = "9"
    & skf18("2","10","8","10","8","1","1") = "9"
    & skf18("2","10","8","10","8","2","1") = "9"
    & skf18("2","10","8","10","8","3","1") = "9"
    & skf18("2","10","8","10","8","4","1") = "9"
    & skf18("2","10","8","10","8","5","1") = "9"
    & skf18("2","10","8","10","8","6","1") = "9"
    & skf18("2","10","8","10","8","7","1") = "9"
    & skf18("2","10","8","10","8","8","1") = "9"
    & skf18("2","10","8","10","8","9","1") = "9"
    & skf18("2","10","8","10","8","10","1") = "9"
    & skf18("2","10","8","10","9","1","1") = "9"
    & skf18("2","10","8","10","9","2","1") = "9"
    & skf18("2","10","8","10","9","3","1") = "9"
    & skf18("2","10","8","10","9","4","1") = "9"
    & skf18("2","10","8","10","9","5","1") = "9"
    & skf18("2","10","8","10","9","6","1") = "9"
    & skf18("2","10","8","10","9","7","1") = "9"
    & skf18("2","10","8","10","9","8","1") = "9"
    & skf18("2","10","8","10","9","9","1") = "9"
    & skf18("2","10","8","10","9","10","1") = "9"
    & skf18("2","10","8","10","10","1","1") = "9"
    & skf18("2","10","8","10","10","2","1") = "9"
    & skf18("2","10","8","10","10","3","1") = "9"
    & skf18("2","10","8","10","10","4","1") = "9"
    & skf18("2","10","8","10","10","5","1") = "9"
    & skf18("2","10","8","10","10","6","1") = "9"
    & skf18("2","10","8","10","10","7","1") = "9"
    & skf18("2","10","8","10","10","8","1") = "9"
    & skf18("2","10","8","10","10","9","1") = "9"
    & skf18("2","10","8","10","10","10","1") = "9"
    & skf18("2","10","9","1","1","1","1") = "9"
    & skf18("2","10","9","1","1","2","1") = "9"
    & skf18("2","10","9","1","1","3","1") = "9"
    & skf18("2","10","9","1","1","4","1") = "9"
    & skf18("2","10","9","1","1","5","1") = "9"
    & skf18("2","10","9","1","1","6","1") = "9"
    & skf18("2","10","9","1","1","7","1") = "9"
    & skf18("2","10","9","1","1","8","1") = "9"
    & skf18("2","10","9","1","1","9","1") = "9"
    & skf18("2","10","9","1","1","10","1") = "9"
    & skf18("2","10","9","1","2","1","1") = "9"
    & skf18("2","10","9","1","2","2","1") = "9"
    & skf18("2","10","9","1","2","3","1") = "9"
    & skf18("2","10","9","1","2","4","1") = "9"
    & skf18("2","10","9","1","2","5","1") = "9"
    & skf18("2","10","9","1","2","6","1") = "9"
    & skf18("2","10","9","1","2","7","1") = "9"
    & skf18("2","10","9","1","2","8","1") = "9"
    & skf18("2","10","9","1","2","9","1") = "9"
    & skf18("2","10","9","1","2","10","1") = "9"
    & skf18("2","10","9","1","3","1","1") = "9"
    & skf18("2","10","9","1","3","2","1") = "9"
    & skf18("2","10","9","1","3","3","1") = "9"
    & skf18("2","10","9","1","3","4","1") = "9"
    & skf18("2","10","9","1","3","5","1") = "9"
    & skf18("2","10","9","1","3","6","1") = "9"
    & skf18("2","10","9","1","3","7","1") = "9"
    & skf18("2","10","9","1","3","8","1") = "9"
    & skf18("2","10","9","1","3","9","1") = "9"
    & skf18("2","10","9","1","3","10","1") = "9"
    & skf18("2","10","9","1","4","1","1") = "9"
    & skf18("2","10","9","1","4","2","1") = "9"
    & skf18("2","10","9","1","4","3","1") = "9"
    & skf18("2","10","9","1","4","4","1") = "9"
    & skf18("2","10","9","1","4","5","1") = "9"
    & skf18("2","10","9","1","4","6","1") = "9"
    & skf18("2","10","9","1","4","7","1") = "9"
    & skf18("2","10","9","1","4","8","1") = "9"
    & skf18("2","10","9","1","4","9","1") = "9"
    & skf18("2","10","9","1","4","10","1") = "9"
    & skf18("2","10","9","1","5","1","1") = "9"
    & skf18("2","10","9","1","5","2","1") = "9"
    & skf18("2","10","9","1","5","3","1") = "9"
    & skf18("2","10","9","1","5","4","1") = "9"
    & skf18("2","10","9","1","5","5","1") = "9"
    & skf18("2","10","9","1","5","6","1") = "9"
    & skf18("2","10","9","1","5","7","1") = "9"
    & skf18("2","10","9","1","5","8","1") = "9"
    & skf18("2","10","9","1","5","9","1") = "9"
    & skf18("2","10","9","1","5","10","1") = "9"
    & skf18("2","10","9","1","6","1","1") = "9"
    & skf18("2","10","9","1","6","2","1") = "9"
    & skf18("2","10","9","1","6","3","1") = "9"
    & skf18("2","10","9","1","6","4","1") = "9"
    & skf18("2","10","9","1","6","5","1") = "9"
    & skf18("2","10","9","1","6","6","1") = "9"
    & skf18("2","10","9","1","6","7","1") = "9"
    & skf18("2","10","9","1","6","8","1") = "9"
    & skf18("2","10","9","1","6","9","1") = "9"
    & skf18("2","10","9","1","6","10","1") = "9"
    & skf18("2","10","9","1","7","1","1") = "9"
    & skf18("2","10","9","1","7","2","1") = "9"
    & skf18("2","10","9","1","7","3","1") = "9"
    & skf18("2","10","9","1","7","4","1") = "9"
    & skf18("2","10","9","1","7","5","1") = "9"
    & skf18("2","10","9","1","7","6","1") = "9"
    & skf18("2","10","9","1","7","7","1") = "9"
    & skf18("2","10","9","1","7","8","1") = "9"
    & skf18("2","10","9","1","7","9","1") = "9"
    & skf18("2","10","9","1","7","10","1") = "9"
    & skf18("2","10","9","1","8","1","1") = "9"
    & skf18("2","10","9","1","8","2","1") = "9"
    & skf18("2","10","9","1","8","3","1") = "9"
    & skf18("2","10","9","1","8","4","1") = "9"
    & skf18("2","10","9","1","8","5","1") = "9"
    & skf18("2","10","9","1","8","6","1") = "9"
    & skf18("2","10","9","1","8","7","1") = "9"
    & skf18("2","10","9","1","8","8","1") = "9"
    & skf18("2","10","9","1","8","9","1") = "9"
    & skf18("2","10","9","1","8","10","1") = "9"
    & skf18("2","10","9","1","9","1","1") = "9"
    & skf18("2","10","9","1","9","2","1") = "9"
    & skf18("2","10","9","1","9","3","1") = "9"
    & skf18("2","10","9","1","9","4","1") = "9"
    & skf18("2","10","9","1","9","5","1") = "9"
    & skf18("2","10","9","1","9","6","1") = "9"
    & skf18("2","10","9","1","9","7","1") = "9"
    & skf18("2","10","9","1","9","8","1") = "9"
    & skf18("2","10","9","1","9","9","1") = "9"
    & skf18("2","10","9","1","9","10","1") = "9"
    & skf18("2","10","9","1","10","1","1") = "9"
    & skf18("2","10","9","1","10","2","1") = "9"
    & skf18("2","10","9","1","10","3","1") = "9"
    & skf18("2","10","9","1","10","4","1") = "9"
    & skf18("2","10","9","1","10","5","1") = "9"
    & skf18("2","10","9","1","10","6","1") = "9"
    & skf18("2","10","9","1","10","7","1") = "9"
    & skf18("2","10","9","1","10","8","1") = "9"
    & skf18("2","10","9","1","10","9","1") = "9"
    & skf18("2","10","9","1","10","10","1") = "9"
    & skf18("2","10","9","2","1","1","1") = "9"
    & skf18("2","10","9","2","1","2","1") = "9"
    & skf18("2","10","9","2","1","3","1") = "9"
    & skf18("2","10","9","2","1","4","1") = "9"
    & skf18("2","10","9","2","1","5","1") = "9"
    & skf18("2","10","9","2","1","6","1") = "9"
    & skf18("2","10","9","2","1","7","1") = "9"
    & skf18("2","10","9","2","1","8","1") = "9"
    & skf18("2","10","9","2","1","9","1") = "9"
    & skf18("2","10","9","2","1","10","1") = "9"
    & skf18("2","10","9","2","2","1","1") = "9"
    & skf18("2","10","9","2","2","2","1") = "9"
    & skf18("2","10","9","2","2","3","1") = "9"
    & skf18("2","10","9","2","2","4","1") = "9"
    & skf18("2","10","9","2","2","5","1") = "9"
    & skf18("2","10","9","2","2","6","1") = "9"
    & skf18("2","10","9","2","2","7","1") = "9"
    & skf18("2","10","9","2","2","8","1") = "9"
    & skf18("2","10","9","2","2","9","1") = "9"
    & skf18("2","10","9","2","2","10","1") = "9"
    & skf18("2","10","9","2","3","1","1") = "9"
    & skf18("2","10","9","2","3","2","1") = "9"
    & skf18("2","10","9","2","3","3","1") = "9"
    & skf18("2","10","9","2","3","4","1") = "9"
    & skf18("2","10","9","2","3","5","1") = "9"
    & skf18("2","10","9","2","3","6","1") = "9"
    & skf18("2","10","9","2","3","7","1") = "9"
    & skf18("2","10","9","2","3","8","1") = "9"
    & skf18("2","10","9","2","3","9","1") = "9"
    & skf18("2","10","9","2","3","10","1") = "9"
    & skf18("2","10","9","2","4","1","1") = "9"
    & skf18("2","10","9","2","4","2","1") = "9"
    & skf18("2","10","9","2","4","3","1") = "9"
    & skf18("2","10","9","2","4","4","1") = "9"
    & skf18("2","10","9","2","4","5","1") = "9"
    & skf18("2","10","9","2","4","6","1") = "9"
    & skf18("2","10","9","2","4","7","1") = "9"
    & skf18("2","10","9","2","4","8","1") = "9"
    & skf18("2","10","9","2","4","9","1") = "9"
    & skf18("2","10","9","2","4","10","1") = "9"
    & skf18("2","10","9","2","5","1","1") = "9"
    & skf18("2","10","9","2","5","2","1") = "9"
    & skf18("2","10","9","2","5","3","1") = "9"
    & skf18("2","10","9","2","5","4","1") = "9"
    & skf18("2","10","9","2","5","5","1") = "9"
    & skf18("2","10","9","2","5","6","1") = "9"
    & skf18("2","10","9","2","5","7","1") = "9"
    & skf18("2","10","9","2","5","8","1") = "9"
    & skf18("2","10","9","2","5","9","1") = "9"
    & skf18("2","10","9","2","5","10","1") = "9"
    & skf18("2","10","9","2","6","1","1") = "9"
    & skf18("2","10","9","2","6","2","1") = "9"
    & skf18("2","10","9","2","6","3","1") = "9"
    & skf18("2","10","9","2","6","4","1") = "9"
    & skf18("2","10","9","2","6","5","1") = "9"
    & skf18("2","10","9","2","6","6","1") = "9"
    & skf18("2","10","9","2","6","7","1") = "9"
    & skf18("2","10","9","2","6","8","1") = "9"
    & skf18("2","10","9","2","6","9","1") = "9"
    & skf18("2","10","9","2","6","10","1") = "9"
    & skf18("2","10","9","2","7","1","1") = "9"
    & skf18("2","10","9","2","7","2","1") = "9"
    & skf18("2","10","9","2","7","3","1") = "9"
    & skf18("2","10","9","2","7","4","1") = "9"
    & skf18("2","10","9","2","7","5","1") = "9"
    & skf18("2","10","9","2","7","6","1") = "9"
    & skf18("2","10","9","2","7","7","1") = "9"
    & skf18("2","10","9","2","7","8","1") = "9"
    & skf18("2","10","9","2","7","9","1") = "9"
    & skf18("2","10","9","2","7","10","1") = "9"
    & skf18("2","10","9","2","8","1","1") = "9"
    & skf18("2","10","9","2","8","2","1") = "9"
    & skf18("2","10","9","2","8","3","1") = "9"
    & skf18("2","10","9","2","8","4","1") = "9"
    & skf18("2","10","9","2","8","5","1") = "9"
    & skf18("2","10","9","2","8","6","1") = "9"
    & skf18("2","10","9","2","8","7","1") = "9"
    & skf18("2","10","9","2","8","8","1") = "9"
    & skf18("2","10","9","2","8","9","1") = "9"
    & skf18("2","10","9","2","8","10","1") = "9"
    & skf18("2","10","9","2","9","1","1") = "9"
    & skf18("2","10","9","2","9","2","1") = "9"
    & skf18("2","10","9","2","9","3","1") = "9"
    & skf18("2","10","9","2","9","4","1") = "9"
    & skf18("2","10","9","2","9","5","1") = "9"
    & skf18("2","10","9","2","9","6","1") = "9"
    & skf18("2","10","9","2","9","7","1") = "9"
    & skf18("2","10","9","2","9","8","1") = "9"
    & skf18("2","10","9","2","9","9","1") = "9"
    & skf18("2","10","9","2","9","10","1") = "9"
    & skf18("2","10","9","2","10","1","1") = "9"
    & skf18("2","10","9","2","10","2","1") = "9"
    & skf18("2","10","9","2","10","3","1") = "9"
    & skf18("2","10","9","2","10","4","1") = "9"
    & skf18("2","10","9","2","10","5","1") = "9"
    & skf18("2","10","9","2","10","6","1") = "9"
    & skf18("2","10","9","2","10","7","1") = "9"
    & skf18("2","10","9","2","10","8","1") = "9"
    & skf18("2","10","9","2","10","9","1") = "9"
    & skf18("2","10","9","2","10","10","1") = "9"
    & skf18("2","10","9","3","1","1","1") = "9"
    & skf18("2","10","9","3","1","2","1") = "9"
    & skf18("2","10","9","3","1","3","1") = "9"
    & skf18("2","10","9","3","1","4","1") = "9"
    & skf18("2","10","9","3","1","5","1") = "9"
    & skf18("2","10","9","3","1","6","1") = "9"
    & skf18("2","10","9","3","1","7","1") = "9"
    & skf18("2","10","9","3","1","8","1") = "9"
    & skf18("2","10","9","3","1","9","1") = "9"
    & skf18("2","10","9","3","1","10","1") = "9"
    & skf18("2","10","9","3","2","1","1") = "9"
    & skf18("2","10","9","3","2","2","1") = "9"
    & skf18("2","10","9","3","2","3","1") = "9"
    & skf18("2","10","9","3","2","4","1") = "9"
    & skf18("2","10","9","3","2","5","1") = "9"
    & skf18("2","10","9","3","2","6","1") = "9"
    & skf18("2","10","9","3","2","7","1") = "9"
    & skf18("2","10","9","3","2","8","1") = "9"
    & skf18("2","10","9","3","2","9","1") = "9"
    & skf18("2","10","9","3","2","10","1") = "9"
    & skf18("2","10","9","3","3","1","1") = "9"
    & skf18("2","10","9","3","3","2","1") = "9"
    & skf18("2","10","9","3","3","3","1") = "9"
    & skf18("2","10","9","3","3","4","1") = "9"
    & skf18("2","10","9","3","3","5","1") = "9"
    & skf18("2","10","9","3","3","6","1") = "9"
    & skf18("2","10","9","3","3","7","1") = "9"
    & skf18("2","10","9","3","3","8","1") = "9"
    & skf18("2","10","9","3","3","9","1") = "9"
    & skf18("2","10","9","3","3","10","1") = "9"
    & skf18("2","10","9","3","4","1","1") = "9"
    & skf18("2","10","9","3","4","2","1") = "9"
    & skf18("2","10","9","3","4","3","1") = "9"
    & skf18("2","10","9","3","4","4","1") = "9"
    & skf18("2","10","9","3","4","5","1") = "9"
    & skf18("2","10","9","3","4","6","1") = "9"
    & skf18("2","10","9","3","4","7","1") = "9"
    & skf18("2","10","9","3","4","8","1") = "9"
    & skf18("2","10","9","3","4","9","1") = "9"
    & skf18("2","10","9","3","4","10","1") = "9"
    & skf18("2","10","9","3","5","1","1") = "9"
    & skf18("2","10","9","3","5","2","1") = "9"
    & skf18("2","10","9","3","5","3","1") = "9"
    & skf18("2","10","9","3","5","4","1") = "9"
    & skf18("2","10","9","3","5","5","1") = "9"
    & skf18("2","10","9","3","5","6","1") = "9"
    & skf18("2","10","9","3","5","7","1") = "9"
    & skf18("2","10","9","3","5","8","1") = "9"
    & skf18("2","10","9","3","5","9","1") = "9"
    & skf18("2","10","9","3","5","10","1") = "9"
    & skf18("2","10","9","3","6","1","1") = "9"
    & skf18("2","10","9","3","6","2","1") = "9"
    & skf18("2","10","9","3","6","3","1") = "9"
    & skf18("2","10","9","3","6","4","1") = "9"
    & skf18("2","10","9","3","6","5","1") = "9"
    & skf18("2","10","9","3","6","6","1") = "9"
    & skf18("2","10","9","3","6","7","1") = "9"
    & skf18("2","10","9","3","6","8","1") = "9"
    & skf18("2","10","9","3","6","9","1") = "9"
    & skf18("2","10","9","3","6","10","1") = "9"
    & skf18("2","10","9","3","7","1","1") = "9"
    & skf18("2","10","9","3","7","2","1") = "9"
    & skf18("2","10","9","3","7","3","1") = "9"
    & skf18("2","10","9","3","7","4","1") = "9"
    & skf18("2","10","9","3","7","5","1") = "9"
    & skf18("2","10","9","3","7","6","1") = "9"
    & skf18("2","10","9","3","7","7","1") = "9"
    & skf18("2","10","9","3","7","8","1") = "9"
    & skf18("2","10","9","3","7","9","1") = "9"
    & skf18("2","10","9","3","7","10","1") = "9"
    & skf18("2","10","9","3","8","1","1") = "9"
    & skf18("2","10","9","3","8","2","1") = "9"
    & skf18("2","10","9","3","8","3","1") = "9"
    & skf18("2","10","9","3","8","4","1") = "9"
    & skf18("2","10","9","3","8","5","1") = "9"
    & skf18("2","10","9","3","8","6","1") = "9"
    & skf18("2","10","9","3","8","7","1") = "9"
    & skf18("2","10","9","3","8","8","1") = "9"
    & skf18("2","10","9","3","8","9","1") = "9"
    & skf18("2","10","9","3","8","10","1") = "9"
    & skf18("2","10","9","3","9","1","1") = "9"
    & skf18("2","10","9","3","9","2","1") = "9"
    & skf18("2","10","9","3","9","3","1") = "9"
    & skf18("2","10","9","3","9","4","1") = "9"
    & skf18("2","10","9","3","9","5","1") = "9"
    & skf18("2","10","9","3","9","6","1") = "9"
    & skf18("2","10","9","3","9","7","1") = "9"
    & skf18("2","10","9","3","9","8","1") = "9"
    & skf18("2","10","9","3","9","9","1") = "9"
    & skf18("2","10","9","3","9","10","1") = "9"
    & skf18("2","10","9","3","10","1","1") = "9"
    & skf18("2","10","9","3","10","2","1") = "9"
    & skf18("2","10","9","3","10","3","1") = "9"
    & skf18("2","10","9","3","10","4","1") = "9"
    & skf18("2","10","9","3","10","5","1") = "9"
    & skf18("2","10","9","3","10","6","1") = "9"
    & skf18("2","10","9","3","10","7","1") = "9"
    & skf18("2","10","9","3","10","8","1") = "9"
    & skf18("2","10","9","3","10","9","1") = "9"
    & skf18("2","10","9","3","10","10","1") = "9"
    & skf18("2","10","9","4","1","1","1") = "9"
    & skf18("2","10","9","4","1","2","1") = "9"
    & skf18("2","10","9","4","1","3","1") = "9"
    & skf18("2","10","9","4","1","4","1") = "9"
    & skf18("2","10","9","4","1","5","1") = "9"
    & skf18("2","10","9","4","1","6","1") = "9"
    & skf18("2","10","9","4","1","7","1") = "9"
    & skf18("2","10","9","4","1","8","1") = "9"
    & skf18("2","10","9","4","1","9","1") = "9"
    & skf18("2","10","9","4","1","10","1") = "9"
    & skf18("2","10","9","4","2","1","1") = "9"
    & skf18("2","10","9","4","2","2","1") = "9"
    & skf18("2","10","9","4","2","3","1") = "9"
    & skf18("2","10","9","4","2","4","1") = "9"
    & skf18("2","10","9","4","2","5","1") = "9"
    & skf18("2","10","9","4","2","6","1") = "9"
    & skf18("2","10","9","4","2","7","1") = "9"
    & skf18("2","10","9","4","2","8","1") = "9"
    & skf18("2","10","9","4","2","9","1") = "9"
    & skf18("2","10","9","4","2","10","1") = "9"
    & skf18("2","10","9","4","3","1","1") = "9"
    & skf18("2","10","9","4","3","2","1") = "9"
    & skf18("2","10","9","4","3","3","1") = "9"
    & skf18("2","10","9","4","3","4","1") = "9"
    & skf18("2","10","9","4","3","5","1") = "9"
    & skf18("2","10","9","4","3","6","1") = "9"
    & skf18("2","10","9","4","3","7","1") = "9"
    & skf18("2","10","9","4","3","8","1") = "9"
    & skf18("2","10","9","4","3","9","1") = "9"
    & skf18("2","10","9","4","3","10","1") = "9"
    & skf18("2","10","9","4","4","1","1") = "9"
    & skf18("2","10","9","4","4","2","1") = "9"
    & skf18("2","10","9","4","4","3","1") = "9"
    & skf18("2","10","9","4","4","4","1") = "9"
    & skf18("2","10","9","4","4","5","1") = "9"
    & skf18("2","10","9","4","4","6","1") = "9"
    & skf18("2","10","9","4","4","7","1") = "9"
    & skf18("2","10","9","4","4","8","1") = "9"
    & skf18("2","10","9","4","4","9","1") = "9"
    & skf18("2","10","9","4","4","10","1") = "9"
    & skf18("2","10","9","4","5","1","1") = "9"
    & skf18("2","10","9","4","5","2","1") = "9"
    & skf18("2","10","9","4","5","3","1") = "9"
    & skf18("2","10","9","4","5","4","1") = "9"
    & skf18("2","10","9","4","5","5","1") = "9"
    & skf18("2","10","9","4","5","6","1") = "9"
    & skf18("2","10","9","4","5","7","1") = "9"
    & skf18("2","10","9","4","5","8","1") = "9"
    & skf18("2","10","9","4","5","9","1") = "9"
    & skf18("2","10","9","4","5","10","1") = "9"
    & skf18("2","10","9","4","6","1","1") = "9"
    & skf18("2","10","9","4","6","2","1") = "9"
    & skf18("2","10","9","4","6","3","1") = "9"
    & skf18("2","10","9","4","6","4","1") = "9"
    & skf18("2","10","9","4","6","5","1") = "9"
    & skf18("2","10","9","4","6","6","1") = "9"
    & skf18("2","10","9","4","6","7","1") = "9"
    & skf18("2","10","9","4","6","8","1") = "9"
    & skf18("2","10","9","4","6","9","1") = "9"
    & skf18("2","10","9","4","6","10","1") = "9"
    & skf18("2","10","9","4","7","1","1") = "9"
    & skf18("2","10","9","4","7","2","1") = "9"
    & skf18("2","10","9","4","7","3","1") = "9"
    & skf18("2","10","9","4","7","4","1") = "9"
    & skf18("2","10","9","4","7","5","1") = "9"
    & skf18("2","10","9","4","7","6","1") = "9"
    & skf18("2","10","9","4","7","7","1") = "9"
    & skf18("2","10","9","4","7","8","1") = "9"
    & skf18("2","10","9","4","7","9","1") = "9"
    & skf18("2","10","9","4","7","10","1") = "9"
    & skf18("2","10","9","4","8","1","1") = "9"
    & skf18("2","10","9","4","8","2","1") = "9"
    & skf18("2","10","9","4","8","3","1") = "9"
    & skf18("2","10","9","4","8","4","1") = "9"
    & skf18("2","10","9","4","8","5","1") = "9"
    & skf18("2","10","9","4","8","6","1") = "9"
    & skf18("2","10","9","4","8","7","1") = "9"
    & skf18("2","10","9","4","8","8","1") = "9"
    & skf18("2","10","9","4","8","9","1") = "9"
    & skf18("2","10","9","4","8","10","1") = "9"
    & skf18("2","10","9","4","9","1","1") = "9"
    & skf18("2","10","9","4","9","2","1") = "9"
    & skf18("2","10","9","4","9","3","1") = "9"
    & skf18("2","10","9","4","9","4","1") = "9"
    & skf18("2","10","9","4","9","5","1") = "9"
    & skf18("2","10","9","4","9","6","1") = "9"
    & skf18("2","10","9","4","9","7","1") = "9"
    & skf18("2","10","9","4","9","8","1") = "9"
    & skf18("2","10","9","4","9","9","1") = "9"
    & skf18("2","10","9","4","9","10","1") = "9"
    & skf18("2","10","9","4","10","1","1") = "9"
    & skf18("2","10","9","4","10","2","1") = "9"
    & skf18("2","10","9","4","10","3","1") = "9"
    & skf18("2","10","9","4","10","4","1") = "9"
    & skf18("2","10","9","4","10","5","1") = "9"
    & skf18("2","10","9","4","10","6","1") = "9"
    & skf18("2","10","9","4","10","7","1") = "9"
    & skf18("2","10","9","4","10","8","1") = "9"
    & skf18("2","10","9","4","10","9","1") = "9"
    & skf18("2","10","9","4","10","10","1") = "9"
    & skf18("2","10","9","5","1","1","1") = "9"
    & skf18("2","10","9","5","1","2","1") = "9"
    & skf18("2","10","9","5","1","3","1") = "9"
    & skf18("2","10","9","5","1","4","1") = "9"
    & skf18("2","10","9","5","1","5","1") = "9"
    & skf18("2","10","9","5","1","6","1") = "9"
    & skf18("2","10","9","5","1","7","1") = "9"
    & skf18("2","10","9","5","1","8","1") = "9"
    & skf18("2","10","9","5","1","9","1") = "9"
    & skf18("2","10","9","5","1","10","1") = "9"
    & skf18("2","10","9","5","2","1","1") = "9"
    & skf18("2","10","9","5","2","2","1") = "9"
    & skf18("2","10","9","5","2","3","1") = "9"
    & skf18("2","10","9","5","2","4","1") = "9"
    & skf18("2","10","9","5","2","5","1") = "9"
    & skf18("2","10","9","5","2","6","1") = "9"
    & skf18("2","10","9","5","2","7","1") = "9"
    & skf18("2","10","9","5","2","8","1") = "9"
    & skf18("2","10","9","5","2","9","1") = "9"
    & skf18("2","10","9","5","2","10","1") = "9"
    & skf18("2","10","9","5","3","1","1") = "9"
    & skf18("2","10","9","5","3","2","1") = "9"
    & skf18("2","10","9","5","3","3","1") = "9"
    & skf18("2","10","9","5","3","4","1") = "9"
    & skf18("2","10","9","5","3","5","1") = "9"
    & skf18("2","10","9","5","3","6","1") = "9"
    & skf18("2","10","9","5","3","7","1") = "9"
    & skf18("2","10","9","5","3","8","1") = "9"
    & skf18("2","10","9","5","3","9","1") = "9"
    & skf18("2","10","9","5","3","10","1") = "9"
    & skf18("2","10","9","5","4","1","1") = "9"
    & skf18("2","10","9","5","4","2","1") = "9"
    & skf18("2","10","9","5","4","3","1") = "9"
    & skf18("2","10","9","5","4","4","1") = "9"
    & skf18("2","10","9","5","4","5","1") = "9"
    & skf18("2","10","9","5","4","6","1") = "9"
    & skf18("2","10","9","5","4","7","1") = "9"
    & skf18("2","10","9","5","4","8","1") = "9"
    & skf18("2","10","9","5","4","9","1") = "9"
    & skf18("2","10","9","5","4","10","1") = "9"
    & skf18("2","10","9","5","5","1","1") = "9"
    & skf18("2","10","9","5","5","2","1") = "9"
    & skf18("2","10","9","5","5","3","1") = "9"
    & skf18("2","10","9","5","5","4","1") = "9"
    & skf18("2","10","9","5","5","5","1") = "9"
    & skf18("2","10","9","5","5","6","1") = "9"
    & skf18("2","10","9","5","5","7","1") = "9"
    & skf18("2","10","9","5","5","8","1") = "9"
    & skf18("2","10","9","5","5","9","1") = "9"
    & skf18("2","10","9","5","5","10","1") = "9"
    & skf18("2","10","9","5","6","1","1") = "9"
    & skf18("2","10","9","5","6","2","1") = "9"
    & skf18("2","10","9","5","6","3","1") = "9"
    & skf18("2","10","9","5","6","4","1") = "9"
    & skf18("2","10","9","5","6","5","1") = "9"
    & skf18("2","10","9","5","6","6","1") = "9"
    & skf18("2","10","9","5","6","7","1") = "9"
    & skf18("2","10","9","5","6","8","1") = "9"
    & skf18("2","10","9","5","6","9","1") = "9"
    & skf18("2","10","9","5","6","10","1") = "9"
    & skf18("2","10","9","5","7","1","1") = "9"
    & skf18("2","10","9","5","7","2","1") = "9"
    & skf18("2","10","9","5","7","3","1") = "9"
    & skf18("2","10","9","5","7","4","1") = "9"
    & skf18("2","10","9","5","7","5","1") = "9"
    & skf18("2","10","9","5","7","6","1") = "9"
    & skf18("2","10","9","5","7","7","1") = "9"
    & skf18("2","10","9","5","7","8","1") = "9"
    & skf18("2","10","9","5","7","9","1") = "9"
    & skf18("2","10","9","5","7","10","1") = "9"
    & skf18("2","10","9","5","8","1","1") = "9"
    & skf18("2","10","9","5","8","2","1") = "9"
    & skf18("2","10","9","5","8","3","1") = "9"
    & skf18("2","10","9","5","8","4","1") = "9"
    & skf18("2","10","9","5","8","5","1") = "9"
    & skf18("2","10","9","5","8","6","1") = "9"
    & skf18("2","10","9","5","8","7","1") = "9"
    & skf18("2","10","9","5","8","8","1") = "9"
    & skf18("2","10","9","5","8","9","1") = "9"
    & skf18("2","10","9","5","8","10","1") = "9"
    & skf18("2","10","9","5","9","1","1") = "9"
    & skf18("2","10","9","5","9","2","1") = "9"
    & skf18("2","10","9","5","9","3","1") = "9"
    & skf18("2","10","9","5","9","4","1") = "9"
    & skf18("2","10","9","5","9","5","1") = "9"
    & skf18("2","10","9","5","9","6","1") = "9"
    & skf18("2","10","9","5","9","7","1") = "9"
    & skf18("2","10","9","5","9","8","1") = "9"
    & skf18("2","10","9","5","9","9","1") = "9"
    & skf18("2","10","9","5","9","10","1") = "9"
    & skf18("2","10","9","5","10","1","1") = "9"
    & skf18("2","10","9","5","10","2","1") = "9"
    & skf18("2","10","9","5","10","3","1") = "9"
    & skf18("2","10","9","5","10","4","1") = "9"
    & skf18("2","10","9","5","10","5","1") = "9"
    & skf18("2","10","9","5","10","6","1") = "9"
    & skf18("2","10","9","5","10","7","1") = "9"
    & skf18("2","10","9","5","10","8","1") = "9"
    & skf18("2","10","9","5","10","9","1") = "9"
    & skf18("2","10","9","5","10","10","1") = "9"
    & skf18("2","10","9","6","1","1","1") = "9"
    & skf18("2","10","9","6","1","2","1") = "9"
    & skf18("2","10","9","6","1","3","1") = "9"
    & skf18("2","10","9","6","1","4","1") = "9"
    & skf18("2","10","9","6","1","5","1") = "9"
    & skf18("2","10","9","6","1","6","1") = "9"
    & skf18("2","10","9","6","1","7","1") = "9"
    & skf18("2","10","9","6","1","8","1") = "9"
    & skf18("2","10","9","6","1","9","1") = "9"
    & skf18("2","10","9","6","1","10","1") = "9"
    & skf18("2","10","9","6","2","1","1") = "9"
    & skf18("2","10","9","6","2","2","1") = "9"
    & skf18("2","10","9","6","2","3","1") = "9"
    & skf18("2","10","9","6","2","4","1") = "9"
    & skf18("2","10","9","6","2","5","1") = "9"
    & skf18("2","10","9","6","2","6","1") = "9"
    & skf18("2","10","9","6","2","7","1") = "9"
    & skf18("2","10","9","6","2","8","1") = "9"
    & skf18("2","10","9","6","2","9","1") = "9"
    & skf18("2","10","9","6","2","10","1") = "9"
    & skf18("2","10","9","6","3","1","1") = "9"
    & skf18("2","10","9","6","3","2","1") = "9"
    & skf18("2","10","9","6","3","3","1") = "9"
    & skf18("2","10","9","6","3","4","1") = "9"
    & skf18("2","10","9","6","3","5","1") = "9"
    & skf18("2","10","9","6","3","6","1") = "9"
    & skf18("2","10","9","6","3","7","1") = "9"
    & skf18("2","10","9","6","3","8","1") = "9"
    & skf18("2","10","9","6","3","9","1") = "9"
    & skf18("2","10","9","6","3","10","1") = "9"
    & skf18("2","10","9","6","4","1","1") = "9"
    & skf18("2","10","9","6","4","2","1") = "9"
    & skf18("2","10","9","6","4","3","1") = "9"
    & skf18("2","10","9","6","4","4","1") = "9"
    & skf18("2","10","9","6","4","5","1") = "9"
    & skf18("2","10","9","6","4","6","1") = "9"
    & skf18("2","10","9","6","4","7","1") = "9"
    & skf18("2","10","9","6","4","8","1") = "9"
    & skf18("2","10","9","6","4","9","1") = "9"
    & skf18("2","10","9","6","4","10","1") = "9"
    & skf18("2","10","9","6","5","1","1") = "9"
    & skf18("2","10","9","6","5","2","1") = "9"
    & skf18("2","10","9","6","5","3","1") = "9"
    & skf18("2","10","9","6","5","4","1") = "9"
    & skf18("2","10","9","6","5","5","1") = "9"
    & skf18("2","10","9","6","5","6","1") = "9"
    & skf18("2","10","9","6","5","7","1") = "9"
    & skf18("2","10","9","6","5","8","1") = "9"
    & skf18("2","10","9","6","5","9","1") = "9"
    & skf18("2","10","9","6","5","10","1") = "9"
    & skf18("2","10","9","6","6","1","1") = "9"
    & skf18("2","10","9","6","6","2","1") = "9"
    & skf18("2","10","9","6","6","3","1") = "9"
    & skf18("2","10","9","6","6","4","1") = "9"
    & skf18("2","10","9","6","6","5","1") = "9"
    & skf18("2","10","9","6","6","6","1") = "9"
    & skf18("2","10","9","6","6","7","1") = "9"
    & skf18("2","10","9","6","6","8","1") = "9"
    & skf18("2","10","9","6","6","9","1") = "9"
    & skf18("2","10","9","6","6","10","1") = "9"
    & skf18("2","10","9","6","7","1","1") = "9"
    & skf18("2","10","9","6","7","2","1") = "9"
    & skf18("2","10","9","6","7","3","1") = "9"
    & skf18("2","10","9","6","7","4","1") = "9"
    & skf18("2","10","9","6","7","5","1") = "9"
    & skf18("2","10","9","6","7","6","1") = "9"
    & skf18("2","10","9","6","7","7","1") = "9"
    & skf18("2","10","9","6","7","8","1") = "9"
    & skf18("2","10","9","6","7","9","1") = "9"
    & skf18("2","10","9","6","7","10","1") = "9"
    & skf18("2","10","9","6","8","1","1") = "9"
    & skf18("2","10","9","6","8","2","1") = "9"
    & skf18("2","10","9","6","8","3","1") = "9"
    & skf18("2","10","9","6","8","4","1") = "9"
    & skf18("2","10","9","6","8","5","1") = "9"
    & skf18("2","10","9","6","8","6","1") = "9"
    & skf18("2","10","9","6","8","7","1") = "9"
    & skf18("2","10","9","6","8","8","1") = "9"
    & skf18("2","10","9","6","8","9","1") = "9"
    & skf18("2","10","9","6","8","10","1") = "9"
    & skf18("2","10","9","6","9","1","1") = "9"
    & skf18("2","10","9","6","9","2","1") = "9"
    & skf18("2","10","9","6","9","3","1") = "9"
    & skf18("2","10","9","6","9","4","1") = "9"
    & skf18("2","10","9","6","9","5","1") = "9"
    & skf18("2","10","9","6","9","6","1") = "9"
    & skf18("2","10","9","6","9","7","1") = "9"
    & skf18("2","10","9","6","9","8","1") = "9"
    & skf18("2","10","9","6","9","9","1") = "9"
    & skf18("2","10","9","6","9","10","1") = "9"
    & skf18("2","10","9","6","10","1","1") = "9"
    & skf18("2","10","9","6","10","2","1") = "9"
    & skf18("2","10","9","6","10","3","1") = "9"
    & skf18("2","10","9","6","10","4","1") = "9"
    & skf18("2","10","9","6","10","5","1") = "9"
    & skf18("2","10","9","6","10","6","1") = "9"
    & skf18("2","10","9","6","10","7","1") = "9"
    & skf18("2","10","9","6","10","8","1") = "9"
    & skf18("2","10","9","6","10","9","1") = "9"
    & skf18("2","10","9","6","10","10","1") = "9"
    & skf18("2","10","9","7","1","1","1") = "9"
    & skf18("2","10","9","7","1","2","1") = "9"
    & skf18("2","10","9","7","1","3","1") = "9"
    & skf18("2","10","9","7","1","4","1") = "9"
    & skf18("2","10","9","7","1","5","1") = "9"
    & skf18("2","10","9","7","1","6","1") = "9"
    & skf18("2","10","9","7","1","7","1") = "9"
    & skf18("2","10","9","7","1","8","1") = "9"
    & skf18("2","10","9","7","1","9","1") = "9"
    & skf18("2","10","9","7","1","10","1") = "9"
    & skf18("2","10","9","7","2","1","1") = "9"
    & skf18("2","10","9","7","2","2","1") = "9"
    & skf18("2","10","9","7","2","3","1") = "9"
    & skf18("2","10","9","7","2","4","1") = "9"
    & skf18("2","10","9","7","2","5","1") = "9"
    & skf18("2","10","9","7","2","6","1") = "9"
    & skf18("2","10","9","7","2","7","1") = "9"
    & skf18("2","10","9","7","2","8","1") = "9"
    & skf18("2","10","9","7","2","9","1") = "9"
    & skf18("2","10","9","7","2","10","1") = "9"
    & skf18("2","10","9","7","3","1","1") = "9"
    & skf18("2","10","9","7","3","2","1") = "9"
    & skf18("2","10","9","7","3","3","1") = "9"
    & skf18("2","10","9","7","3","4","1") = "9"
    & skf18("2","10","9","7","3","5","1") = "9"
    & skf18("2","10","9","7","3","6","1") = "9"
    & skf18("2","10","9","7","3","7","1") = "9"
    & skf18("2","10","9","7","3","8","1") = "9"
    & skf18("2","10","9","7","3","9","1") = "9"
    & skf18("2","10","9","7","3","10","1") = "9"
    & skf18("2","10","9","7","4","1","1") = "9"
    & skf18("2","10","9","7","4","2","1") = "9"
    & skf18("2","10","9","7","4","3","1") = "9"
    & skf18("2","10","9","7","4","4","1") = "9"
    & skf18("2","10","9","7","4","5","1") = "9"
    & skf18("2","10","9","7","4","6","1") = "9"
    & skf18("2","10","9","7","4","7","1") = "9"
    & skf18("2","10","9","7","4","8","1") = "9"
    & skf18("2","10","9","7","4","9","1") = "9"
    & skf18("2","10","9","7","4","10","1") = "9"
    & skf18("2","10","9","7","5","1","1") = "9"
    & skf18("2","10","9","7","5","2","1") = "9"
    & skf18("2","10","9","7","5","3","1") = "9"
    & skf18("2","10","9","7","5","4","1") = "9"
    & skf18("2","10","9","7","5","5","1") = "9"
    & skf18("2","10","9","7","5","6","1") = "9"
    & skf18("2","10","9","7","5","7","1") = "9"
    & skf18("2","10","9","7","5","8","1") = "9"
    & skf18("2","10","9","7","5","9","1") = "9"
    & skf18("2","10","9","7","5","10","1") = "9"
    & skf18("2","10","9","7","6","1","1") = "9"
    & skf18("2","10","9","7","6","2","1") = "9"
    & skf18("2","10","9","7","6","3","1") = "9"
    & skf18("2","10","9","7","6","4","1") = "9"
    & skf18("2","10","9","7","6","5","1") = "9"
    & skf18("2","10","9","7","6","6","1") = "9"
    & skf18("2","10","9","7","6","7","1") = "9"
    & skf18("2","10","9","7","6","8","1") = "9"
    & skf18("2","10","9","7","6","9","1") = "9"
    & skf18("2","10","9","7","6","10","1") = "9"
    & skf18("2","10","9","7","7","1","1") = "9"
    & skf18("2","10","9","7","7","2","1") = "9"
    & skf18("2","10","9","7","7","3","1") = "9"
    & skf18("2","10","9","7","7","4","1") = "9"
    & skf18("2","10","9","7","7","5","1") = "9"
    & skf18("2","10","9","7","7","6","1") = "9"
    & skf18("2","10","9","7","7","7","1") = "9"
    & skf18("2","10","9","7","7","8","1") = "9"
    & skf18("2","10","9","7","7","9","1") = "9"
    & skf18("2","10","9","7","7","10","1") = "9"
    & skf18("2","10","9","7","8","1","1") = "9"
    & skf18("2","10","9","7","8","2","1") = "9"
    & skf18("2","10","9","7","8","3","1") = "9"
    & skf18("2","10","9","7","8","4","1") = "9"
    & skf18("2","10","9","7","8","5","1") = "9"
    & skf18("2","10","9","7","8","6","1") = "9"
    & skf18("2","10","9","7","8","7","1") = "9"
    & skf18("2","10","9","7","8","8","1") = "9"
    & skf18("2","10","9","7","8","9","1") = "9"
    & skf18("2","10","9","7","8","10","1") = "9"
    & skf18("2","10","9","7","9","1","1") = "9"
    & skf18("2","10","9","7","9","2","1") = "9"
    & skf18("2","10","9","7","9","3","1") = "9"
    & skf18("2","10","9","7","9","4","1") = "9"
    & skf18("2","10","9","7","9","5","1") = "9"
    & skf18("2","10","9","7","9","6","1") = "9"
    & skf18("2","10","9","7","9","7","1") = "9"
    & skf18("2","10","9","7","9","8","1") = "9"
    & skf18("2","10","9","7","9","9","1") = "9"
    & skf18("2","10","9","7","9","10","1") = "9"
    & skf18("2","10","9","7","10","1","1") = "9"
    & skf18("2","10","9","7","10","2","1") = "9"
    & skf18("2","10","9","7","10","3","1") = "9"
    & skf18("2","10","9","7","10","4","1") = "9"
    & skf18("2","10","9","7","10","5","1") = "9"
    & skf18("2","10","9","7","10","6","1") = "9"
    & skf18("2","10","9","7","10","7","1") = "9"
    & skf18("2","10","9","7","10","8","1") = "9"
    & skf18("2","10","9","7","10","9","1") = "9"
    & skf18("2","10","9","7","10","10","1") = "9"
    & skf18("2","10","9","8","1","1","1") = "9"
    & skf18("2","10","9","8","1","2","1") = "9"
    & skf18("2","10","9","8","1","3","1") = "9"
    & skf18("2","10","9","8","1","4","1") = "9"
    & skf18("2","10","9","8","1","5","1") = "9"
    & skf18("2","10","9","8","1","6","1") = "9"
    & skf18("2","10","9","8","1","7","1") = "9"
    & skf18("2","10","9","8","1","8","1") = "9"
    & skf18("2","10","9","8","1","9","1") = "9"
    & skf18("2","10","9","8","1","10","1") = "9"
    & skf18("2","10","9","8","2","1","1") = "9"
    & skf18("2","10","9","8","2","2","1") = "9"
    & skf18("2","10","9","8","2","3","1") = "9"
    & skf18("2","10","9","8","2","4","1") = "9"
    & skf18("2","10","9","8","2","5","1") = "9"
    & skf18("2","10","9","8","2","6","1") = "9"
    & skf18("2","10","9","8","2","7","1") = "9"
    & skf18("2","10","9","8","2","8","1") = "9"
    & skf18("2","10","9","8","2","9","1") = "9"
    & skf18("2","10","9","8","2","10","1") = "9"
    & skf18("2","10","9","8","3","1","1") = "9"
    & skf18("2","10","9","8","3","2","1") = "9"
    & skf18("2","10","9","8","3","3","1") = "9"
    & skf18("2","10","9","8","3","4","1") = "9"
    & skf18("2","10","9","8","3","5","1") = "9"
    & skf18("2","10","9","8","3","6","1") = "9"
    & skf18("2","10","9","8","3","7","1") = "9"
    & skf18("2","10","9","8","3","8","1") = "9"
    & skf18("2","10","9","8","3","9","1") = "9"
    & skf18("2","10","9","8","3","10","1") = "9"
    & skf18("2","10","9","8","4","1","1") = "9"
    & skf18("2","10","9","8","4","2","1") = "9"
    & skf18("2","10","9","8","4","3","1") = "9"
    & skf18("2","10","9","8","4","4","1") = "9"
    & skf18("2","10","9","8","4","5","1") = "9"
    & skf18("2","10","9","8","4","6","1") = "9"
    & skf18("2","10","9","8","4","7","1") = "9"
    & skf18("2","10","9","8","4","8","1") = "9"
    & skf18("2","10","9","8","4","9","1") = "9"
    & skf18("2","10","9","8","4","10","1") = "9"
    & skf18("2","10","9","8","5","1","1") = "9"
    & skf18("2","10","9","8","5","2","1") = "9"
    & skf18("2","10","9","8","5","3","1") = "9"
    & skf18("2","10","9","8","5","4","1") = "9"
    & skf18("2","10","9","8","5","5","1") = "9"
    & skf18("2","10","9","8","5","6","1") = "9"
    & skf18("2","10","9","8","5","7","1") = "9"
    & skf18("2","10","9","8","5","8","1") = "9"
    & skf18("2","10","9","8","5","9","1") = "9"
    & skf18("2","10","9","8","5","10","1") = "9"
    & skf18("2","10","9","8","6","1","1") = "9"
    & skf18("2","10","9","8","6","2","1") = "9"
    & skf18("2","10","9","8","6","3","1") = "9"
    & skf18("2","10","9","8","6","4","1") = "9"
    & skf18("2","10","9","8","6","5","1") = "9"
    & skf18("2","10","9","8","6","6","1") = "9"
    & skf18("2","10","9","8","6","7","1") = "9"
    & skf18("2","10","9","8","6","8","1") = "9"
    & skf18("2","10","9","8","6","9","1") = "9"
    & skf18("2","10","9","8","6","10","1") = "9"
    & skf18("2","10","9","8","7","1","1") = "9"
    & skf18("2","10","9","8","7","2","1") = "9"
    & skf18("2","10","9","8","7","3","1") = "9"
    & skf18("2","10","9","8","7","4","1") = "9"
    & skf18("2","10","9","8","7","5","1") = "9"
    & skf18("2","10","9","8","7","6","1") = "9"
    & skf18("2","10","9","8","7","7","1") = "9"
    & skf18("2","10","9","8","7","8","1") = "9"
    & skf18("2","10","9","8","7","9","1") = "9"
    & skf18("2","10","9","8","7","10","1") = "9"
    & skf18("2","10","9","8","8","1","1") = "9"
    & skf18("2","10","9","8","8","2","1") = "9"
    & skf18("2","10","9","8","8","3","1") = "9"
    & skf18("2","10","9","8","8","4","1") = "9"
    & skf18("2","10","9","8","8","5","1") = "9"
    & skf18("2","10","9","8","8","6","1") = "9"
    & skf18("2","10","9","8","8","7","1") = "9"
    & skf18("2","10","9","8","8","8","1") = "9"
    & skf18("2","10","9","8","8","9","1") = "9"
    & skf18("2","10","9","8","8","10","1") = "9"
    & skf18("2","10","9","8","9","1","1") = "9"
    & skf18("2","10","9","8","9","2","1") = "9"
    & skf18("2","10","9","8","9","3","1") = "9"
    & skf18("2","10","9","8","9","4","1") = "9"
    & skf18("2","10","9","8","9","5","1") = "9"
    & skf18("2","10","9","8","9","6","1") = "9"
    & skf18("2","10","9","8","9","7","1") = "9"
    & skf18("2","10","9","8","9","8","1") = "9"
    & skf18("2","10","9","8","9","9","1") = "9"
    & skf18("2","10","9","8","9","10","1") = "9"
    & skf18("2","10","9","8","10","1","1") = "9"
    & skf18("2","10","9","8","10","2","1") = "9"
    & skf18("2","10","9","8","10","3","1") = "9"
    & skf18("2","10","9","8","10","4","1") = "9"
    & skf18("2","10","9","8","10","5","1") = "9"
    & skf18("2","10","9","8","10","6","1") = "9"
    & skf18("2","10","9","8","10","7","1") = "9"
    & skf18("2","10","9","8","10","8","1") = "9"
    & skf18("2","10","9","8","10","9","1") = "9"
    & skf18("2","10","9","8","10","10","1") = "9"
    & skf18("2","10","9","9","1","1","1") = "9"
    & skf18("2","10","9","9","1","2","1") = "9"
    & skf18("2","10","9","9","1","3","1") = "9"
    & skf18("2","10","9","9","1","4","1") = "9"
    & skf18("2","10","9","9","1","5","1") = "9"
    & skf18("2","10","9","9","1","6","1") = "9"
    & skf18("2","10","9","9","1","7","1") = "9"
    & skf18("2","10","9","9","1","8","1") = "9"
    & skf18("2","10","9","9","1","9","1") = "9"
    & skf18("2","10","9","9","1","10","1") = "9"
    & skf18("2","10","9","9","2","1","1") = "9"
    & skf18("2","10","9","9","2","2","1") = "9"
    & skf18("2","10","9","9","2","3","1") = "9"
    & skf18("2","10","9","9","2","4","1") = "9"
    & skf18("2","10","9","9","2","5","1") = "9"
    & skf18("2","10","9","9","2","6","1") = "9"
    & skf18("2","10","9","9","2","7","1") = "9"
    & skf18("2","10","9","9","2","8","1") = "9"
    & skf18("2","10","9","9","2","9","1") = "9"
    & skf18("2","10","9","9","2","10","1") = "9"
    & skf18("2","10","9","9","3","1","1") = "9"
    & skf18("2","10","9","9","3","2","1") = "9"
    & skf18("2","10","9","9","3","3","1") = "9"
    & skf18("2","10","9","9","3","4","1") = "9"
    & skf18("2","10","9","9","3","5","1") = "9"
    & skf18("2","10","9","9","3","6","1") = "9"
    & skf18("2","10","9","9","3","7","1") = "9"
    & skf18("2","10","9","9","3","8","1") = "9"
    & skf18("2","10","9","9","3","9","1") = "9"
    & skf18("2","10","9","9","3","10","1") = "9"
    & skf18("2","10","9","9","4","1","1") = "9"
    & skf18("2","10","9","9","4","2","1") = "9"
    & skf18("2","10","9","9","4","3","1") = "9"
    & skf18("2","10","9","9","4","4","1") = "9"
    & skf18("2","10","9","9","4","5","1") = "9"
    & skf18("2","10","9","9","4","6","1") = "9"
    & skf18("2","10","9","9","4","7","1") = "9"
    & skf18("2","10","9","9","4","8","1") = "9"
    & skf18("2","10","9","9","4","9","1") = "9"
    & skf18("2","10","9","9","4","10","1") = "9"
    & skf18("2","10","9","9","5","1","1") = "9"
    & skf18("2","10","9","9","5","2","1") = "9"
    & skf18("2","10","9","9","5","3","1") = "9"
    & skf18("2","10","9","9","5","4","1") = "9"
    & skf18("2","10","9","9","5","5","1") = "9"
    & skf18("2","10","9","9","5","6","1") = "9"
    & skf18("2","10","9","9","5","7","1") = "9"
    & skf18("2","10","9","9","5","8","1") = "9"
    & skf18("2","10","9","9","5","9","1") = "9"
    & skf18("2","10","9","9","5","10","1") = "9"
    & skf18("2","10","9","9","6","1","1") = "9"
    & skf18("2","10","9","9","6","2","1") = "9"
    & skf18("2","10","9","9","6","3","1") = "9"
    & skf18("2","10","9","9","6","4","1") = "9"
    & skf18("2","10","9","9","6","5","1") = "9"
    & skf18("2","10","9","9","6","6","1") = "9"
    & skf18("2","10","9","9","6","7","1") = "9"
    & skf18("2","10","9","9","6","8","1") = "9"
    & skf18("2","10","9","9","6","9","1") = "9"
    & skf18("2","10","9","9","6","10","1") = "9"
    & skf18("2","10","9","9","7","1","1") = "9"
    & skf18("2","10","9","9","7","2","1") = "9"
    & skf18("2","10","9","9","7","3","1") = "9"
    & skf18("2","10","9","9","7","4","1") = "9"
    & skf18("2","10","9","9","7","5","1") = "9"
    & skf18("2","10","9","9","7","6","1") = "9"
    & skf18("2","10","9","9","7","7","1") = "9"
    & skf18("2","10","9","9","7","8","1") = "9"
    & skf18("2","10","9","9","7","9","1") = "9"
    & skf18("2","10","9","9","7","10","1") = "9"
    & skf18("2","10","9","9","8","1","1") = "9"
    & skf18("2","10","9","9","8","2","1") = "9"
    & skf18("2","10","9","9","8","3","1") = "9"
    & skf18("2","10","9","9","8","4","1") = "9"
    & skf18("2","10","9","9","8","5","1") = "9"
    & skf18("2","10","9","9","8","6","1") = "9"
    & skf18("2","10","9","9","8","7","1") = "9"
    & skf18("2","10","9","9","8","8","1") = "9"
    & skf18("2","10","9","9","8","9","1") = "9"
    & skf18("2","10","9","9","8","10","1") = "9"
    & skf18("2","10","9","9","9","1","1") = "9"
    & skf18("2","10","9","9","9","2","1") = "9"
    & skf18("2","10","9","9","9","3","1") = "9"
    & skf18("2","10","9","9","9","4","1") = "9"
    & skf18("2","10","9","9","9","5","1") = "9"
    & skf18("2","10","9","9","9","6","1") = "9"
    & skf18("2","10","9","9","9","7","1") = "9"
    & skf18("2","10","9","9","9","8","1") = "9"
    & skf18("2","10","9","9","9","9","1") = "9"
    & skf18("2","10","9","9","9","10","1") = "9"
    & skf18("2","10","9","9","10","1","1") = "9"
    & skf18("2","10","9","9","10","2","1") = "9"
    & skf18("2","10","9","9","10","3","1") = "9"
    & skf18("2","10","9","9","10","4","1") = "9"
    & skf18("2","10","9","9","10","5","1") = "9"
    & skf18("2","10","9","9","10","6","1") = "9"
    & skf18("2","10","9","9","10","7","1") = "9"
    & skf18("2","10","9","9","10","8","1") = "9"
    & skf18("2","10","9","9","10","9","1") = "9"
    & skf18("2","10","9","9","10","10","1") = "9"
    & skf18("2","10","9","10","1","1","1") = "9"
    & skf18("2","10","9","10","1","2","1") = "9"
    & skf18("2","10","9","10","1","3","1") = "9"
    & skf18("2","10","9","10","1","4","1") = "9"
    & skf18("2","10","9","10","1","5","1") = "9"
    & skf18("2","10","9","10","1","6","1") = "9"
    & skf18("2","10","9","10","1","7","1") = "9"
    & skf18("2","10","9","10","1","8","1") = "9"
    & skf18("2","10","9","10","1","9","1") = "9"
    & skf18("2","10","9","10","1","10","1") = "9"
    & skf18("2","10","9","10","2","1","1") = "9"
    & skf18("2","10","9","10","2","2","1") = "9"
    & skf18("2","10","9","10","2","3","1") = "9"
    & skf18("2","10","9","10","2","4","1") = "9"
    & skf18("2","10","9","10","2","5","1") = "9"
    & skf18("2","10","9","10","2","6","1") = "9"
    & skf18("2","10","9","10","2","7","1") = "9"
    & skf18("2","10","9","10","2","8","1") = "9"
    & skf18("2","10","9","10","2","9","1") = "9"
    & skf18("2","10","9","10","2","10","1") = "9"
    & skf18("2","10","9","10","3","1","1") = "9"
    & skf18("2","10","9","10","3","2","1") = "9"
    & skf18("2","10","9","10","3","3","1") = "9"
    & skf18("2","10","9","10","3","4","1") = "9"
    & skf18("2","10","9","10","3","5","1") = "9"
    & skf18("2","10","9","10","3","6","1") = "9"
    & skf18("2","10","9","10","3","7","1") = "9"
    & skf18("2","10","9","10","3","8","1") = "9"
    & skf18("2","10","9","10","3","9","1") = "9"
    & skf18("2","10","9","10","3","10","1") = "9"
    & skf18("2","10","9","10","4","1","1") = "9"
    & skf18("2","10","9","10","4","2","1") = "9"
    & skf18("2","10","9","10","4","3","1") = "9"
    & skf18("2","10","9","10","4","4","1") = "9"
    & skf18("2","10","9","10","4","5","1") = "9"
    & skf18("2","10","9","10","4","6","1") = "9"
    & skf18("2","10","9","10","4","7","1") = "9"
    & skf18("2","10","9","10","4","8","1") = "9"
    & skf18("2","10","9","10","4","9","1") = "9"
    & skf18("2","10","9","10","4","10","1") = "9"
    & skf18("2","10","9","10","5","1","1") = "9"
    & skf18("2","10","9","10","5","2","1") = "9"
    & skf18("2","10","9","10","5","3","1") = "9"
    & skf18("2","10","9","10","5","4","1") = "9"
    & skf18("2","10","9","10","5","5","1") = "9"
    & skf18("2","10","9","10","5","6","1") = "9"
    & skf18("2","10","9","10","5","7","1") = "9"
    & skf18("2","10","9","10","5","8","1") = "9"
    & skf18("2","10","9","10","5","9","1") = "9"
    & skf18("2","10","9","10","5","10","1") = "9"
    & skf18("2","10","9","10","6","1","1") = "9"
    & skf18("2","10","9","10","6","2","1") = "9"
    & skf18("2","10","9","10","6","3","1") = "9"
    & skf18("2","10","9","10","6","4","1") = "9"
    & skf18("2","10","9","10","6","5","1") = "9"
    & skf18("2","10","9","10","6","6","1") = "9"
    & skf18("2","10","9","10","6","7","1") = "9"
    & skf18("2","10","9","10","6","8","1") = "9"
    & skf18("2","10","9","10","6","9","1") = "9"
    & skf18("2","10","9","10","6","10","1") = "9"
    & skf18("2","10","9","10","7","1","1") = "9"
    & skf18("2","10","9","10","7","2","1") = "9"
    & skf18("2","10","9","10","7","3","1") = "9"
    & skf18("2","10","9","10","7","4","1") = "9"
    & skf18("2","10","9","10","7","5","1") = "9"
    & skf18("2","10","9","10","7","6","1") = "9"
    & skf18("2","10","9","10","7","7","1") = "9"
    & skf18("2","10","9","10","7","8","1") = "9"
    & skf18("2","10","9","10","7","9","1") = "9"
    & skf18("2","10","9","10","7","10","1") = "9"
    & skf18("2","10","9","10","8","1","1") = "9"
    & skf18("2","10","9","10","8","2","1") = "9"
    & skf18("2","10","9","10","8","3","1") = "9"
    & skf18("2","10","9","10","8","4","1") = "9"
    & skf18("2","10","9","10","8","5","1") = "9"
    & skf18("2","10","9","10","8","6","1") = "9"
    & skf18("2","10","9","10","8","7","1") = "9"
    & skf18("2","10","9","10","8","8","1") = "9"
    & skf18("2","10","9","10","8","9","1") = "9"
    & skf18("2","10","9","10","8","10","1") = "9"
    & skf18("2","10","9","10","9","1","1") = "9"
    & skf18("2","10","9","10","9","2","1") = "9"
    & skf18("2","10","9","10","9","3","1") = "9"
    & skf18("2","10","9","10","9","4","1") = "9"
    & skf18("2","10","9","10","9","5","1") = "9"
    & skf18("2","10","9","10","9","6","1") = "9"
    & skf18("2","10","9","10","9","7","1") = "9"
    & skf18("2","10","9","10","9","8","1") = "9"
    & skf18("2","10","9","10","9","9","1") = "9"
    & skf18("2","10","9","10","9","10","1") = "9"
    & skf18("2","10","9","10","10","1","1") = "9"
    & skf18("2","10","9","10","10","2","1") = "9"
    & skf18("2","10","9","10","10","3","1") = "9"
    & skf18("2","10","9","10","10","4","1") = "9"
    & skf18("2","10","9","10","10","5","1") = "9"
    & skf18("2","10","9","10","10","6","1") = "9"
    & skf18("2","10","9","10","10","7","1") = "9"
    & skf18("2","10","9","10","10","8","1") = "9"
    & skf18("2","10","9","10","10","9","1") = "9"
    & skf18("2","10","9","10","10","10","1") = "9"
    & skf18("2","10","10","1","1","1","1") = "9"
    & skf18("2","10","10","1","1","2","1") = "9"
    & skf18("2","10","10","1","1","3","1") = "9"
    & skf18("2","10","10","1","1","4","1") = "9"
    & skf18("2","10","10","1","1","5","1") = "9"
    & skf18("2","10","10","1","1","6","1") = "9"
    & skf18("2","10","10","1","1","7","1") = "9"
    & skf18("2","10","10","1","1","8","1") = "9"
    & skf18("2","10","10","1","1","9","1") = "9"
    & skf18("2","10","10","1","1","10","1") = "9"
    & skf18("2","10","10","1","2","1","1") = "9"
    & skf18("2","10","10","1","2","2","1") = "9"
    & skf18("2","10","10","1","2","3","1") = "9"
    & skf18("2","10","10","1","2","4","1") = "9"
    & skf18("2","10","10","1","2","5","1") = "9"
    & skf18("2","10","10","1","2","6","1") = "9"
    & skf18("2","10","10","1","2","7","1") = "9"
    & skf18("2","10","10","1","2","8","1") = "9"
    & skf18("2","10","10","1","2","9","1") = "9"
    & skf18("2","10","10","1","2","10","1") = "9"
    & skf18("2","10","10","1","3","1","1") = "9"
    & skf18("2","10","10","1","3","2","1") = "9"
    & skf18("2","10","10","1","3","3","1") = "9"
    & skf18("2","10","10","1","3","4","1") = "9"
    & skf18("2","10","10","1","3","5","1") = "9"
    & skf18("2","10","10","1","3","6","1") = "9"
    & skf18("2","10","10","1","3","7","1") = "9"
    & skf18("2","10","10","1","3","8","1") = "9"
    & skf18("2","10","10","1","3","9","1") = "9"
    & skf18("2","10","10","1","3","10","1") = "9"
    & skf18("2","10","10","1","4","1","1") = "9"
    & skf18("2","10","10","1","4","2","1") = "9"
    & skf18("2","10","10","1","4","3","1") = "9"
    & skf18("2","10","10","1","4","4","1") = "9"
    & skf18("2","10","10","1","4","5","1") = "9"
    & skf18("2","10","10","1","4","6","1") = "9"
    & skf18("2","10","10","1","4","7","1") = "9"
    & skf18("2","10","10","1","4","8","1") = "9"
    & skf18("2","10","10","1","4","9","1") = "9"
    & skf18("2","10","10","1","4","10","1") = "9"
    & skf18("2","10","10","1","5","1","1") = "9"
    & skf18("2","10","10","1","5","2","1") = "9"
    & skf18("2","10","10","1","5","3","1") = "9"
    & skf18("2","10","10","1","5","4","1") = "9"
    & skf18("2","10","10","1","5","5","1") = "9"
    & skf18("2","10","10","1","5","6","1") = "9"
    & skf18("2","10","10","1","5","7","1") = "9"
    & skf18("2","10","10","1","5","8","1") = "9"
    & skf18("2","10","10","1","5","9","1") = "9"
    & skf18("2","10","10","1","5","10","1") = "9"
    & skf18("2","10","10","1","6","1","1") = "9"
    & skf18("2","10","10","1","6","2","1") = "9"
    & skf18("2","10","10","1","6","3","1") = "9"
    & skf18("2","10","10","1","6","4","1") = "9"
    & skf18("2","10","10","1","6","5","1") = "9"
    & skf18("2","10","10","1","6","6","1") = "9"
    & skf18("2","10","10","1","6","7","1") = "9"
    & skf18("2","10","10","1","6","8","1") = "9"
    & skf18("2","10","10","1","6","9","1") = "9"
    & skf18("2","10","10","1","6","10","1") = "9"
    & skf18("2","10","10","1","7","1","1") = "9"
    & skf18("2","10","10","1","7","2","1") = "9"
    & skf18("2","10","10","1","7","3","1") = "9"
    & skf18("2","10","10","1","7","4","1") = "9"
    & skf18("2","10","10","1","7","5","1") = "9"
    & skf18("2","10","10","1","7","6","1") = "9"
    & skf18("2","10","10","1","7","7","1") = "9"
    & skf18("2","10","10","1","7","8","1") = "9"
    & skf18("2","10","10","1","7","9","1") = "9"
    & skf18("2","10","10","1","7","10","1") = "9"
    & skf18("2","10","10","1","8","1","1") = "9"
    & skf18("2","10","10","1","8","2","1") = "9"
    & skf18("2","10","10","1","8","3","1") = "9"
    & skf18("2","10","10","1","8","4","1") = "9"
    & skf18("2","10","10","1","8","5","1") = "9"
    & skf18("2","10","10","1","8","6","1") = "9"
    & skf18("2","10","10","1","8","7","1") = "9"
    & skf18("2","10","10","1","8","8","1") = "9"
    & skf18("2","10","10","1","8","9","1") = "9"
    & skf18("2","10","10","1","8","10","1") = "9"
    & skf18("2","10","10","1","9","1","1") = "9"
    & skf18("2","10","10","1","9","2","1") = "9"
    & skf18("2","10","10","1","9","3","1") = "9"
    & skf18("2","10","10","1","9","4","1") = "9"
    & skf18("2","10","10","1","9","5","1") = "9"
    & skf18("2","10","10","1","9","6","1") = "9"
    & skf18("2","10","10","1","9","7","1") = "9"
    & skf18("2","10","10","1","9","8","1") = "9"
    & skf18("2","10","10","1","9","9","1") = "9"
    & skf18("2","10","10","1","9","10","1") = "9"
    & skf18("2","10","10","1","10","1","1") = "9"
    & skf18("2","10","10","1","10","2","1") = "9"
    & skf18("2","10","10","1","10","3","1") = "9"
    & skf18("2","10","10","1","10","4","1") = "9"
    & skf18("2","10","10","1","10","5","1") = "9"
    & skf18("2","10","10","1","10","6","1") = "9"
    & skf18("2","10","10","1","10","7","1") = "9"
    & skf18("2","10","10","1","10","8","1") = "9"
    & skf18("2","10","10","1","10","9","1") = "9"
    & skf18("2","10","10","1","10","10","1") = "9"
    & skf18("2","10","10","2","1","1","1") = "9"
    & skf18("2","10","10","2","1","2","1") = "9"
    & skf18("2","10","10","2","1","3","1") = "9"
    & skf18("2","10","10","2","1","4","1") = "9"
    & skf18("2","10","10","2","1","5","1") = "9"
    & skf18("2","10","10","2","1","6","1") = "9"
    & skf18("2","10","10","2","1","7","1") = "9"
    & skf18("2","10","10","2","1","8","1") = "9"
    & skf18("2","10","10","2","1","9","1") = "9"
    & skf18("2","10","10","2","1","10","1") = "9"
    & skf18("2","10","10","2","2","1","1") = "9"
    & skf18("2","10","10","2","2","2","1") = "9"
    & skf18("2","10","10","2","2","3","1") = "9"
    & skf18("2","10","10","2","2","4","1") = "9"
    & skf18("2","10","10","2","2","5","1") = "9"
    & skf18("2","10","10","2","2","6","1") = "9"
    & skf18("2","10","10","2","2","7","1") = "9"
    & skf18("2","10","10","2","2","8","1") = "9"
    & skf18("2","10","10","2","2","9","1") = "9"
    & skf18("2","10","10","2","2","10","1") = "9"
    & skf18("2","10","10","2","3","1","1") = "9"
    & skf18("2","10","10","2","3","2","1") = "9"
    & skf18("2","10","10","2","3","3","1") = "9"
    & skf18("2","10","10","2","3","4","1") = "9"
    & skf18("2","10","10","2","3","5","1") = "9"
    & skf18("2","10","10","2","3","6","1") = "9"
    & skf18("2","10","10","2","3","7","1") = "9"
    & skf18("2","10","10","2","3","8","1") = "9"
    & skf18("2","10","10","2","3","9","1") = "9"
    & skf18("2","10","10","2","3","10","1") = "9"
    & skf18("2","10","10","2","4","1","1") = "9"
    & skf18("2","10","10","2","4","2","1") = "9"
    & skf18("2","10","10","2","4","3","1") = "9"
    & skf18("2","10","10","2","4","4","1") = "9"
    & skf18("2","10","10","2","4","5","1") = "9"
    & skf18("2","10","10","2","4","6","1") = "9"
    & skf18("2","10","10","2","4","7","1") = "9"
    & skf18("2","10","10","2","4","8","1") = "9"
    & skf18("2","10","10","2","4","9","1") = "9"
    & skf18("2","10","10","2","4","10","1") = "9"
    & skf18("2","10","10","2","5","1","1") = "9"
    & skf18("2","10","10","2","5","2","1") = "9"
    & skf18("2","10","10","2","5","3","1") = "9"
    & skf18("2","10","10","2","5","4","1") = "9"
    & skf18("2","10","10","2","5","5","1") = "9"
    & skf18("2","10","10","2","5","6","1") = "9"
    & skf18("2","10","10","2","5","7","1") = "9"
    & skf18("2","10","10","2","5","8","1") = "9"
    & skf18("2","10","10","2","5","9","1") = "9"
    & skf18("2","10","10","2","5","10","1") = "9"
    & skf18("2","10","10","2","6","1","1") = "9"
    & skf18("2","10","10","2","6","2","1") = "9"
    & skf18("2","10","10","2","6","3","1") = "9"
    & skf18("2","10","10","2","6","4","1") = "9"
    & skf18("2","10","10","2","6","5","1") = "9"
    & skf18("2","10","10","2","6","6","1") = "9"
    & skf18("2","10","10","2","6","7","1") = "9"
    & skf18("2","10","10","2","6","8","1") = "9"
    & skf18("2","10","10","2","6","9","1") = "9"
    & skf18("2","10","10","2","6","10","1") = "9"
    & skf18("2","10","10","2","7","1","1") = "9"
    & skf18("2","10","10","2","7","2","1") = "9"
    & skf18("2","10","10","2","7","3","1") = "9"
    & skf18("2","10","10","2","7","4","1") = "9"
    & skf18("2","10","10","2","7","5","1") = "9"
    & skf18("2","10","10","2","7","6","1") = "9"
    & skf18("2","10","10","2","7","7","1") = "9"
    & skf18("2","10","10","2","7","8","1") = "9"
    & skf18("2","10","10","2","7","9","1") = "9"
    & skf18("2","10","10","2","7","10","1") = "9"
    & skf18("2","10","10","2","8","1","1") = "9"
    & skf18("2","10","10","2","8","2","1") = "9"
    & skf18("2","10","10","2","8","3","1") = "9"
    & skf18("2","10","10","2","8","4","1") = "9"
    & skf18("2","10","10","2","8","5","1") = "9"
    & skf18("2","10","10","2","8","6","1") = "9"
    & skf18("2","10","10","2","8","7","1") = "9"
    & skf18("2","10","10","2","8","8","1") = "9"
    & skf18("2","10","10","2","8","9","1") = "9"
    & skf18("2","10","10","2","8","10","1") = "9"
    & skf18("2","10","10","2","9","1","1") = "9"
    & skf18("2","10","10","2","9","2","1") = "9"
    & skf18("2","10","10","2","9","3","1") = "9"
    & skf18("2","10","10","2","9","4","1") = "9"
    & skf18("2","10","10","2","9","5","1") = "9"
    & skf18("2","10","10","2","9","6","1") = "9"
    & skf18("2","10","10","2","9","7","1") = "9"
    & skf18("2","10","10","2","9","8","1") = "9"
    & skf18("2","10","10","2","9","9","1") = "9"
    & skf18("2","10","10","2","9","10","1") = "9"
    & skf18("2","10","10","2","10","1","1") = "9"
    & skf18("2","10","10","2","10","2","1") = "9"
    & skf18("2","10","10","2","10","3","1") = "9"
    & skf18("2","10","10","2","10","4","1") = "9"
    & skf18("2","10","10","2","10","5","1") = "9"
    & skf18("2","10","10","2","10","6","1") = "9"
    & skf18("2","10","10","2","10","7","1") = "9"
    & skf18("2","10","10","2","10","8","1") = "9"
    & skf18("2","10","10","2","10","9","1") = "9"
    & skf18("2","10","10","2","10","10","1") = "9"
    & skf18("2","10","10","3","1","1","1") = "9"
    & skf18("2","10","10","3","1","2","1") = "9"
    & skf18("2","10","10","3","1","3","1") = "9"
    & skf18("2","10","10","3","1","4","1") = "9"
    & skf18("2","10","10","3","1","5","1") = "9"
    & skf18("2","10","10","3","1","6","1") = "9"
    & skf18("2","10","10","3","1","7","1") = "9"
    & skf18("2","10","10","3","1","8","1") = "9"
    & skf18("2","10","10","3","1","9","1") = "9"
    & skf18("2","10","10","3","1","10","1") = "9"
    & skf18("2","10","10","3","2","1","1") = "9"
    & skf18("2","10","10","3","2","2","1") = "9"
    & skf18("2","10","10","3","2","3","1") = "9"
    & skf18("2","10","10","3","2","4","1") = "9"
    & skf18("2","10","10","3","2","5","1") = "9"
    & skf18("2","10","10","3","2","6","1") = "9"
    & skf18("2","10","10","3","2","7","1") = "9"
    & skf18("2","10","10","3","2","8","1") = "9"
    & skf18("2","10","10","3","2","9","1") = "9"
    & skf18("2","10","10","3","2","10","1") = "9"
    & skf18("2","10","10","3","3","1","1") = "9"
    & skf18("2","10","10","3","3","2","1") = "9"
    & skf18("2","10","10","3","3","3","1") = "9"
    & skf18("2","10","10","3","3","4","1") = "9"
    & skf18("2","10","10","3","3","5","1") = "9"
    & skf18("2","10","10","3","3","6","1") = "9"
    & skf18("2","10","10","3","3","7","1") = "9"
    & skf18("2","10","10","3","3","8","1") = "9"
    & skf18("2","10","10","3","3","9","1") = "9"
    & skf18("2","10","10","3","3","10","1") = "9"
    & skf18("2","10","10","3","4","1","1") = "9"
    & skf18("2","10","10","3","4","2","1") = "9"
    & skf18("2","10","10","3","4","3","1") = "9"
    & skf18("2","10","10","3","4","4","1") = "9"
    & skf18("2","10","10","3","4","5","1") = "9"
    & skf18("2","10","10","3","4","6","1") = "9"
    & skf18("2","10","10","3","4","7","1") = "9"
    & skf18("2","10","10","3","4","8","1") = "9"
    & skf18("2","10","10","3","4","9","1") = "9"
    & skf18("2","10","10","3","4","10","1") = "9"
    & skf18("2","10","10","3","5","1","1") = "9"
    & skf18("2","10","10","3","5","2","1") = "9"
    & skf18("2","10","10","3","5","3","1") = "9"
    & skf18("2","10","10","3","5","4","1") = "9"
    & skf18("2","10","10","3","5","5","1") = "9"
    & skf18("2","10","10","3","5","6","1") = "9"
    & skf18("2","10","10","3","5","7","1") = "9"
    & skf18("2","10","10","3","5","8","1") = "9"
    & skf18("2","10","10","3","5","9","1") = "9"
    & skf18("2","10","10","3","5","10","1") = "9"
    & skf18("2","10","10","3","6","1","1") = "9"
    & skf18("2","10","10","3","6","2","1") = "9"
    & skf18("2","10","10","3","6","3","1") = "9"
    & skf18("2","10","10","3","6","4","1") = "9"
    & skf18("2","10","10","3","6","5","1") = "9"
    & skf18("2","10","10","3","6","6","1") = "9"
    & skf18("2","10","10","3","6","7","1") = "9"
    & skf18("2","10","10","3","6","8","1") = "9"
    & skf18("2","10","10","3","6","9","1") = "9"
    & skf18("2","10","10","3","6","10","1") = "9"
    & skf18("2","10","10","3","7","1","1") = "9"
    & skf18("2","10","10","3","7","2","1") = "9"
    & skf18("2","10","10","3","7","3","1") = "9"
    & skf18("2","10","10","3","7","4","1") = "9"
    & skf18("2","10","10","3","7","5","1") = "9"
    & skf18("2","10","10","3","7","6","1") = "9"
    & skf18("2","10","10","3","7","7","1") = "9"
    & skf18("2","10","10","3","7","8","1") = "9"
    & skf18("2","10","10","3","7","9","1") = "9"
    & skf18("2","10","10","3","7","10","1") = "9"
    & skf18("2","10","10","3","8","1","1") = "9"
    & skf18("2","10","10","3","8","2","1") = "9"
    & skf18("2","10","10","3","8","3","1") = "9"
    & skf18("2","10","10","3","8","4","1") = "9"
    & skf18("2","10","10","3","8","5","1") = "9"
    & skf18("2","10","10","3","8","6","1") = "9"
    & skf18("2","10","10","3","8","7","1") = "9"
    & skf18("2","10","10","3","8","8","1") = "9"
    & skf18("2","10","10","3","8","9","1") = "9"
    & skf18("2","10","10","3","8","10","1") = "9"
    & skf18("2","10","10","3","9","1","1") = "9"
    & skf18("2","10","10","3","9","2","1") = "9"
    & skf18("2","10","10","3","9","3","1") = "9"
    & skf18("2","10","10","3","9","4","1") = "9"
    & skf18("2","10","10","3","9","5","1") = "9"
    & skf18("2","10","10","3","9","6","1") = "9"
    & skf18("2","10","10","3","9","7","1") = "9"
    & skf18("2","10","10","3","9","8","1") = "9"
    & skf18("2","10","10","3","9","9","1") = "9"
    & skf18("2","10","10","3","9","10","1") = "9"
    & skf18("2","10","10","3","10","1","1") = "9"
    & skf18("2","10","10","3","10","2","1") = "9"
    & skf18("2","10","10","3","10","3","1") = "9"
    & skf18("2","10","10","3","10","4","1") = "9"
    & skf18("2","10","10","3","10","5","1") = "9"
    & skf18("2","10","10","3","10","6","1") = "9"
    & skf18("2","10","10","3","10","7","1") = "9"
    & skf18("2","10","10","3","10","8","1") = "9"
    & skf18("2","10","10","3","10","9","1") = "9"
    & skf18("2","10","10","3","10","10","1") = "9"
    & skf18("2","10","10","4","1","1","1") = "9"
    & skf18("2","10","10","4","1","2","1") = "9"
    & skf18("2","10","10","4","1","3","1") = "9"
    & skf18("2","10","10","4","1","4","1") = "9"
    & skf18("2","10","10","4","1","5","1") = "9"
    & skf18("2","10","10","4","1","6","1") = "9"
    & skf18("2","10","10","4","1","7","1") = "9"
    & skf18("2","10","10","4","1","8","1") = "9"
    & skf18("2","10","10","4","1","9","1") = "9"
    & skf18("2","10","10","4","1","10","1") = "9"
    & skf18("2","10","10","4","2","1","1") = "9"
    & skf18("2","10","10","4","2","2","1") = "9"
    & skf18("2","10","10","4","2","3","1") = "9"
    & skf18("2","10","10","4","2","4","1") = "9"
    & skf18("2","10","10","4","2","5","1") = "9"
    & skf18("2","10","10","4","2","6","1") = "9"
    & skf18("2","10","10","4","2","7","1") = "9"
    & skf18("2","10","10","4","2","8","1") = "9"
    & skf18("2","10","10","4","2","9","1") = "9"
    & skf18("2","10","10","4","2","10","1") = "9"
    & skf18("2","10","10","4","3","1","1") = "9"
    & skf18("2","10","10","4","3","2","1") = "9"
    & skf18("2","10","10","4","3","3","1") = "9"
    & skf18("2","10","10","4","3","4","1") = "9"
    & skf18("2","10","10","4","3","5","1") = "9"
    & skf18("2","10","10","4","3","6","1") = "9"
    & skf18("2","10","10","4","3","7","1") = "9"
    & skf18("2","10","10","4","3","8","1") = "9"
    & skf18("2","10","10","4","3","9","1") = "9"
    & skf18("2","10","10","4","3","10","1") = "9"
    & skf18("2","10","10","4","4","1","1") = "9"
    & skf18("2","10","10","4","4","2","1") = "9"
    & skf18("2","10","10","4","4","3","1") = "9"
    & skf18("2","10","10","4","4","4","1") = "9"
    & skf18("2","10","10","4","4","5","1") = "9"
    & skf18("2","10","10","4","4","6","1") = "9"
    & skf18("2","10","10","4","4","7","1") = "9"
    & skf18("2","10","10","4","4","8","1") = "9"
    & skf18("2","10","10","4","4","9","1") = "9"
    & skf18("2","10","10","4","4","10","1") = "9"
    & skf18("2","10","10","4","5","1","1") = "9"
    & skf18("2","10","10","4","5","2","1") = "9"
    & skf18("2","10","10","4","5","3","1") = "9"
    & skf18("2","10","10","4","5","4","1") = "9"
    & skf18("2","10","10","4","5","5","1") = "9"
    & skf18("2","10","10","4","5","6","1") = "9"
    & skf18("2","10","10","4","5","7","1") = "9"
    & skf18("2","10","10","4","5","8","1") = "9"
    & skf18("2","10","10","4","5","9","1") = "9"
    & skf18("2","10","10","4","5","10","1") = "9"
    & skf18("2","10","10","4","6","1","1") = "9"
    & skf18("2","10","10","4","6","2","1") = "9"
    & skf18("2","10","10","4","6","3","1") = "9"
    & skf18("2","10","10","4","6","4","1") = "9"
    & skf18("2","10","10","4","6","5","1") = "9"
    & skf18("2","10","10","4","6","6","1") = "9"
    & skf18("2","10","10","4","6","7","1") = "9"
    & skf18("2","10","10","4","6","8","1") = "9"
    & skf18("2","10","10","4","6","9","1") = "9"
    & skf18("2","10","10","4","6","10","1") = "9"
    & skf18("2","10","10","4","7","1","1") = "9"
    & skf18("2","10","10","4","7","2","1") = "9"
    & skf18("2","10","10","4","7","3","1") = "9"
    & skf18("2","10","10","4","7","4","1") = "9"
    & skf18("2","10","10","4","7","5","1") = "9"
    & skf18("2","10","10","4","7","6","1") = "9"
    & skf18("2","10","10","4","7","7","1") = "9"
    & skf18("2","10","10","4","7","8","1") = "9"
    & skf18("2","10","10","4","7","9","1") = "9"
    & skf18("2","10","10","4","7","10","1") = "9"
    & skf18("2","10","10","4","8","1","1") = "9"
    & skf18("2","10","10","4","8","2","1") = "9"
    & skf18("2","10","10","4","8","3","1") = "9"
    & skf18("2","10","10","4","8","4","1") = "9"
    & skf18("2","10","10","4","8","5","1") = "9"
    & skf18("2","10","10","4","8","6","1") = "9"
    & skf18("2","10","10","4","8","7","1") = "9"
    & skf18("2","10","10","4","8","8","1") = "9"
    & skf18("2","10","10","4","8","9","1") = "9"
    & skf18("2","10","10","4","8","10","1") = "9"
    & skf18("2","10","10","4","9","1","1") = "9"
    & skf18("2","10","10","4","9","2","1") = "9"
    & skf18("2","10","10","4","9","3","1") = "9"
    & skf18("2","10","10","4","9","4","1") = "9"
    & skf18("2","10","10","4","9","5","1") = "9"
    & skf18("2","10","10","4","9","6","1") = "9"
    & skf18("2","10","10","4","9","7","1") = "9"
    & skf18("2","10","10","4","9","8","1") = "9"
    & skf18("2","10","10","4","9","9","1") = "9"
    & skf18("2","10","10","4","9","10","1") = "9"
    & skf18("2","10","10","4","10","1","1") = "9"
    & skf18("2","10","10","4","10","2","1") = "9"
    & skf18("2","10","10","4","10","3","1") = "9"
    & skf18("2","10","10","4","10","4","1") = "9"
    & skf18("2","10","10","4","10","5","1") = "9"
    & skf18("2","10","10","4","10","6","1") = "9"
    & skf18("2","10","10","4","10","7","1") = "9"
    & skf18("2","10","10","4","10","8","1") = "9"
    & skf18("2","10","10","4","10","9","1") = "9"
    & skf18("2","10","10","4","10","10","1") = "9"
    & skf18("2","10","10","5","1","1","1") = "9"
    & skf18("2","10","10","5","1","2","1") = "9"
    & skf18("2","10","10","5","1","3","1") = "9"
    & skf18("2","10","10","5","1","4","1") = "9"
    & skf18("2","10","10","5","1","5","1") = "9"
    & skf18("2","10","10","5","1","6","1") = "9"
    & skf18("2","10","10","5","1","7","1") = "9"
    & skf18("2","10","10","5","1","8","1") = "9"
    & skf18("2","10","10","5","1","9","1") = "9"
    & skf18("2","10","10","5","1","10","1") = "9"
    & skf18("2","10","10","5","2","1","1") = "9"
    & skf18("2","10","10","5","2","2","1") = "9"
    & skf18("2","10","10","5","2","3","1") = "9"
    & skf18("2","10","10","5","2","4","1") = "9"
    & skf18("2","10","10","5","2","5","1") = "9"
    & skf18("2","10","10","5","2","6","1") = "9"
    & skf18("2","10","10","5","2","7","1") = "9"
    & skf18("2","10","10","5","2","8","1") = "9"
    & skf18("2","10","10","5","2","9","1") = "9"
    & skf18("2","10","10","5","2","10","1") = "9"
    & skf18("2","10","10","5","3","1","1") = "9"
    & skf18("2","10","10","5","3","2","1") = "9"
    & skf18("2","10","10","5","3","3","1") = "9"
    & skf18("2","10","10","5","3","4","1") = "9"
    & skf18("2","10","10","5","3","5","1") = "9"
    & skf18("2","10","10","5","3","6","1") = "9"
    & skf18("2","10","10","5","3","7","1") = "9"
    & skf18("2","10","10","5","3","8","1") = "9"
    & skf18("2","10","10","5","3","9","1") = "9"
    & skf18("2","10","10","5","3","10","1") = "9"
    & skf18("2","10","10","5","4","1","1") = "9"
    & skf18("2","10","10","5","4","2","1") = "9"
    & skf18("2","10","10","5","4","3","1") = "9"
    & skf18("2","10","10","5","4","4","1") = "9"
    & skf18("2","10","10","5","4","5","1") = "9"
    & skf18("2","10","10","5","4","6","1") = "9"
    & skf18("2","10","10","5","4","7","1") = "9"
    & skf18("2","10","10","5","4","8","1") = "9"
    & skf18("2","10","10","5","4","9","1") = "9"
    & skf18("2","10","10","5","4","10","1") = "9"
    & skf18("2","10","10","5","5","1","1") = "9"
    & skf18("2","10","10","5","5","2","1") = "9"
    & skf18("2","10","10","5","5","3","1") = "9"
    & skf18("2","10","10","5","5","4","1") = "9"
    & skf18("2","10","10","5","5","5","1") = "9"
    & skf18("2","10","10","5","5","6","1") = "9"
    & skf18("2","10","10","5","5","7","1") = "9"
    & skf18("2","10","10","5","5","8","1") = "9"
    & skf18("2","10","10","5","5","9","1") = "9"
    & skf18("2","10","10","5","5","10","1") = "9"
    & skf18("2","10","10","5","6","1","1") = "9"
    & skf18("2","10","10","5","6","2","1") = "9"
    & skf18("2","10","10","5","6","3","1") = "9"
    & skf18("2","10","10","5","6","4","1") = "9"
    & skf18("2","10","10","5","6","5","1") = "9"
    & skf18("2","10","10","5","6","6","1") = "9"
    & skf18("2","10","10","5","6","7","1") = "9"
    & skf18("2","10","10","5","6","8","1") = "9"
    & skf18("2","10","10","5","6","9","1") = "9"
    & skf18("2","10","10","5","6","10","1") = "9"
    & skf18("2","10","10","5","7","1","1") = "9"
    & skf18("2","10","10","5","7","2","1") = "9"
    & skf18("2","10","10","5","7","3","1") = "9"
    & skf18("2","10","10","5","7","4","1") = "9"
    & skf18("2","10","10","5","7","5","1") = "9"
    & skf18("2","10","10","5","7","6","1") = "9"
    & skf18("2","10","10","5","7","7","1") = "9"
    & skf18("2","10","10","5","7","8","1") = "9"
    & skf18("2","10","10","5","7","9","1") = "9"
    & skf18("2","10","10","5","7","10","1") = "9"
    & skf18("2","10","10","5","8","1","1") = "9"
    & skf18("2","10","10","5","8","2","1") = "9"
    & skf18("2","10","10","5","8","3","1") = "9"
    & skf18("2","10","10","5","8","4","1") = "9"
    & skf18("2","10","10","5","8","5","1") = "9"
    & skf18("2","10","10","5","8","6","1") = "9"
    & skf18("2","10","10","5","8","7","1") = "9"
    & skf18("2","10","10","5","8","8","1") = "9"
    & skf18("2","10","10","5","8","9","1") = "9"
    & skf18("2","10","10","5","8","10","1") = "9"
    & skf18("2","10","10","5","9","1","1") = "9"
    & skf18("2","10","10","5","9","2","1") = "9"
    & skf18("2","10","10","5","9","3","1") = "9"
    & skf18("2","10","10","5","9","4","1") = "9"
    & skf18("2","10","10","5","9","5","1") = "9"
    & skf18("2","10","10","5","9","6","1") = "9"
    & skf18("2","10","10","5","9","7","1") = "9"
    & skf18("2","10","10","5","9","8","1") = "9"
    & skf18("2","10","10","5","9","9","1") = "9"
    & skf18("2","10","10","5","9","10","1") = "9"
    & skf18("2","10","10","5","10","1","1") = "9"
    & skf18("2","10","10","5","10","2","1") = "9"
    & skf18("2","10","10","5","10","3","1") = "9"
    & skf18("2","10","10","5","10","4","1") = "9"
    & skf18("2","10","10","5","10","5","1") = "9"
    & skf18("2","10","10","5","10","6","1") = "9"
    & skf18("2","10","10","5","10","7","1") = "9"
    & skf18("2","10","10","5","10","8","1") = "9"
    & skf18("2","10","10","5","10","9","1") = "9"
    & skf18("2","10","10","5","10","10","1") = "9"
    & skf18("2","10","10","6","1","1","1") = "9"
    & skf18("2","10","10","6","1","2","1") = "9"
    & skf18("2","10","10","6","1","3","1") = "9"
    & skf18("2","10","10","6","1","4","1") = "9"
    & skf18("2","10","10","6","1","5","1") = "9"
    & skf18("2","10","10","6","1","6","1") = "9"
    & skf18("2","10","10","6","1","7","1") = "9"
    & skf18("2","10","10","6","1","8","1") = "9"
    & skf18("2","10","10","6","1","9","1") = "9"
    & skf18("2","10","10","6","1","10","1") = "9"
    & skf18("2","10","10","6","2","1","1") = "9"
    & skf18("2","10","10","6","2","2","1") = "9"
    & skf18("2","10","10","6","2","3","1") = "9"
    & skf18("2","10","10","6","2","4","1") = "9"
    & skf18("2","10","10","6","2","5","1") = "9"
    & skf18("2","10","10","6","2","6","1") = "9"
    & skf18("2","10","10","6","2","7","1") = "9"
    & skf18("2","10","10","6","2","8","1") = "9"
    & skf18("2","10","10","6","2","9","1") = "9"
    & skf18("2","10","10","6","2","10","1") = "9"
    & skf18("2","10","10","6","3","1","1") = "9"
    & skf18("2","10","10","6","3","2","1") = "9"
    & skf18("2","10","10","6","3","3","1") = "9"
    & skf18("2","10","10","6","3","4","1") = "9"
    & skf18("2","10","10","6","3","5","1") = "9"
    & skf18("2","10","10","6","3","6","1") = "9"
    & skf18("2","10","10","6","3","7","1") = "9"
    & skf18("2","10","10","6","3","8","1") = "9"
    & skf18("2","10","10","6","3","9","1") = "9"
    & skf18("2","10","10","6","3","10","1") = "9"
    & skf18("2","10","10","6","4","1","1") = "9"
    & skf18("2","10","10","6","4","2","1") = "9"
    & skf18("2","10","10","6","4","3","1") = "9"
    & skf18("2","10","10","6","4","4","1") = "9"
    & skf18("2","10","10","6","4","5","1") = "9"
    & skf18("2","10","10","6","4","6","1") = "9"
    & skf18("2","10","10","6","4","7","1") = "9"
    & skf18("2","10","10","6","4","8","1") = "9"
    & skf18("2","10","10","6","4","9","1") = "9"
    & skf18("2","10","10","6","4","10","1") = "9"
    & skf18("2","10","10","6","5","1","1") = "9"
    & skf18("2","10","10","6","5","2","1") = "9"
    & skf18("2","10","10","6","5","3","1") = "9"
    & skf18("2","10","10","6","5","4","1") = "9"
    & skf18("2","10","10","6","5","5","1") = "9"
    & skf18("2","10","10","6","5","6","1") = "9"
    & skf18("2","10","10","6","5","7","1") = "9"
    & skf18("2","10","10","6","5","8","1") = "9"
    & skf18("2","10","10","6","5","9","1") = "9"
    & skf18("2","10","10","6","5","10","1") = "9"
    & skf18("2","10","10","6","6","1","1") = "9"
    & skf18("2","10","10","6","6","2","1") = "9"
    & skf18("2","10","10","6","6","3","1") = "9"
    & skf18("2","10","10","6","6","4","1") = "9"
    & skf18("2","10","10","6","6","5","1") = "9"
    & skf18("2","10","10","6","6","6","1") = "9"
    & skf18("2","10","10","6","6","7","1") = "9"
    & skf18("2","10","10","6","6","8","1") = "9"
    & skf18("2","10","10","6","6","9","1") = "9"
    & skf18("2","10","10","6","6","10","1") = "9"
    & skf18("2","10","10","6","7","1","1") = "9"
    & skf18("2","10","10","6","7","2","1") = "9"
    & skf18("2","10","10","6","7","3","1") = "9"
    & skf18("2","10","10","6","7","4","1") = "9"
    & skf18("2","10","10","6","7","5","1") = "9"
    & skf18("2","10","10","6","7","6","1") = "9"
    & skf18("2","10","10","6","7","7","1") = "9"
    & skf18("2","10","10","6","7","8","1") = "9"
    & skf18("2","10","10","6","7","9","1") = "9"
    & skf18("2","10","10","6","7","10","1") = "9"
    & skf18("2","10","10","6","8","1","1") = "9"
    & skf18("2","10","10","6","8","2","1") = "9"
    & skf18("2","10","10","6","8","3","1") = "9"
    & skf18("2","10","10","6","8","4","1") = "9"
    & skf18("2","10","10","6","8","5","1") = "9"
    & skf18("2","10","10","6","8","6","1") = "9"
    & skf18("2","10","10","6","8","7","1") = "9"
    & skf18("2","10","10","6","8","8","1") = "9"
    & skf18("2","10","10","6","8","9","1") = "9"
    & skf18("2","10","10","6","8","10","1") = "9"
    & skf18("2","10","10","6","9","1","1") = "9"
    & skf18("2","10","10","6","9","2","1") = "9"
    & skf18("2","10","10","6","9","3","1") = "9"
    & skf18("2","10","10","6","9","4","1") = "9"
    & skf18("2","10","10","6","9","5","1") = "9"
    & skf18("2","10","10","6","9","6","1") = "9"
    & skf18("2","10","10","6","9","7","1") = "9"
    & skf18("2","10","10","6","9","8","1") = "9"
    & skf18("2","10","10","6","9","9","1") = "9"
    & skf18("2","10","10","6","9","10","1") = "9"
    & skf18("2","10","10","6","10","1","1") = "9"
    & skf18("2","10","10","6","10","2","1") = "9"
    & skf18("2","10","10","6","10","3","1") = "9"
    & skf18("2","10","10","6","10","4","1") = "9"
    & skf18("2","10","10","6","10","5","1") = "9"
    & skf18("2","10","10","6","10","6","1") = "9"
    & skf18("2","10","10","6","10","7","1") = "9"
    & skf18("2","10","10","6","10","8","1") = "9"
    & skf18("2","10","10","6","10","9","1") = "9"
    & skf18("2","10","10","6","10","10","1") = "9"
    & skf18("2","10","10","7","1","1","1") = "9"
    & skf18("2","10","10","7","1","2","1") = "9"
    & skf18("2","10","10","7","1","3","1") = "9"
    & skf18("2","10","10","7","1","4","1") = "9"
    & skf18("2","10","10","7","1","5","1") = "9"
    & skf18("2","10","10","7","1","6","1") = "9"
    & skf18("2","10","10","7","1","7","1") = "9"
    & skf18("2","10","10","7","1","8","1") = "9"
    & skf18("2","10","10","7","1","9","1") = "9"
    & skf18("2","10","10","7","1","10","1") = "9"
    & skf18("2","10","10","7","2","1","1") = "9"
    & skf18("2","10","10","7","2","2","1") = "9"
    & skf18("2","10","10","7","2","3","1") = "9"
    & skf18("2","10","10","7","2","4","1") = "9"
    & skf18("2","10","10","7","2","5","1") = "9"
    & skf18("2","10","10","7","2","6","1") = "9"
    & skf18("2","10","10","7","2","7","1") = "9"
    & skf18("2","10","10","7","2","8","1") = "9"
    & skf18("2","10","10","7","2","9","1") = "9"
    & skf18("2","10","10","7","2","10","1") = "9"
    & skf18("2","10","10","7","3","1","1") = "9"
    & skf18("2","10","10","7","3","2","1") = "9"
    & skf18("2","10","10","7","3","3","1") = "9"
    & skf18("2","10","10","7","3","4","1") = "9"
    & skf18("2","10","10","7","3","5","1") = "9"
    & skf18("2","10","10","7","3","6","1") = "9"
    & skf18("2","10","10","7","3","7","1") = "9"
    & skf18("2","10","10","7","3","8","1") = "9"
    & skf18("2","10","10","7","3","9","1") = "9"
    & skf18("2","10","10","7","3","10","1") = "9"
    & skf18("2","10","10","7","4","1","1") = "9"
    & skf18("2","10","10","7","4","2","1") = "9"
    & skf18("2","10","10","7","4","3","1") = "9"
    & skf18("2","10","10","7","4","4","1") = "9"
    & skf18("2","10","10","7","4","5","1") = "9"
    & skf18("2","10","10","7","4","6","1") = "9"
    & skf18("2","10","10","7","4","7","1") = "9"
    & skf18("2","10","10","7","4","8","1") = "9"
    & skf18("2","10","10","7","4","9","1") = "9"
    & skf18("2","10","10","7","4","10","1") = "9"
    & skf18("2","10","10","7","5","1","1") = "9"
    & skf18("2","10","10","7","5","2","1") = "9"
    & skf18("2","10","10","7","5","3","1") = "9"
    & skf18("2","10","10","7","5","4","1") = "9"
    & skf18("2","10","10","7","5","5","1") = "9"
    & skf18("2","10","10","7","5","6","1") = "9"
    & skf18("2","10","10","7","5","7","1") = "9"
    & skf18("2","10","10","7","5","8","1") = "9"
    & skf18("2","10","10","7","5","9","1") = "9"
    & skf18("2","10","10","7","5","10","1") = "9"
    & skf18("2","10","10","7","6","1","1") = "9"
    & skf18("2","10","10","7","6","2","1") = "9"
    & skf18("2","10","10","7","6","3","1") = "9"
    & skf18("2","10","10","7","6","4","1") = "9"
    & skf18("2","10","10","7","6","5","1") = "9"
    & skf18("2","10","10","7","6","6","1") = "9"
    & skf18("2","10","10","7","6","7","1") = "9"
    & skf18("2","10","10","7","6","8","1") = "9"
    & skf18("2","10","10","7","6","9","1") = "9"
    & skf18("2","10","10","7","6","10","1") = "9"
    & skf18("2","10","10","7","7","1","1") = "9"
    & skf18("2","10","10","7","7","2","1") = "9"
    & skf18("2","10","10","7","7","3","1") = "9"
    & skf18("2","10","10","7","7","4","1") = "9"
    & skf18("2","10","10","7","7","5","1") = "9"
    & skf18("2","10","10","7","7","6","1") = "9"
    & skf18("2","10","10","7","7","7","1") = "9"
    & skf18("2","10","10","7","7","8","1") = "9"
    & skf18("2","10","10","7","7","9","1") = "9"
    & skf18("2","10","10","7","7","10","1") = "9"
    & skf18("2","10","10","7","8","1","1") = "9"
    & skf18("2","10","10","7","8","2","1") = "9"
    & skf18("2","10","10","7","8","3","1") = "9"
    & skf18("2","10","10","7","8","4","1") = "9"
    & skf18("2","10","10","7","8","5","1") = "9"
    & skf18("2","10","10","7","8","6","1") = "9"
    & skf18("2","10","10","7","8","7","1") = "9"
    & skf18("2","10","10","7","8","8","1") = "9"
    & skf18("2","10","10","7","8","9","1") = "9"
    & skf18("2","10","10","7","8","10","1") = "9"
    & skf18("2","10","10","7","9","1","1") = "9"
    & skf18("2","10","10","7","9","2","1") = "9"
    & skf18("2","10","10","7","9","3","1") = "9"
    & skf18("2","10","10","7","9","4","1") = "9"
    & skf18("2","10","10","7","9","5","1") = "9"
    & skf18("2","10","10","7","9","6","1") = "9"
    & skf18("2","10","10","7","9","7","1") = "9"
    & skf18("2","10","10","7","9","8","1") = "9"
    & skf18("2","10","10","7","9","9","1") = "9"
    & skf18("2","10","10","7","9","10","1") = "9"
    & skf18("2","10","10","7","10","1","1") = "9"
    & skf18("2","10","10","7","10","2","1") = "9"
    & skf18("2","10","10","7","10","3","1") = "9"
    & skf18("2","10","10","7","10","4","1") = "9"
    & skf18("2","10","10","7","10","5","1") = "9"
    & skf18("2","10","10","7","10","6","1") = "9"
    & skf18("2","10","10","7","10","7","1") = "9"
    & skf18("2","10","10","7","10","8","1") = "9"
    & skf18("2","10","10","7","10","9","1") = "9"
    & skf18("2","10","10","7","10","10","1") = "9"
    & skf18("2","10","10","8","1","1","1") = "9"
    & skf18("2","10","10","8","1","2","1") = "9"
    & skf18("2","10","10","8","1","3","1") = "9"
    & skf18("2","10","10","8","1","4","1") = "9"
    & skf18("2","10","10","8","1","5","1") = "9"
    & skf18("2","10","10","8","1","6","1") = "9"
    & skf18("2","10","10","8","1","7","1") = "9"
    & skf18("2","10","10","8","1","8","1") = "9"
    & skf18("2","10","10","8","1","9","1") = "9"
    & skf18("2","10","10","8","1","10","1") = "9"
    & skf18("2","10","10","8","2","1","1") = "9"
    & skf18("2","10","10","8","2","2","1") = "9"
    & skf18("2","10","10","8","2","3","1") = "9"
    & skf18("2","10","10","8","2","4","1") = "9"
    & skf18("2","10","10","8","2","5","1") = "9"
    & skf18("2","10","10","8","2","6","1") = "9"
    & skf18("2","10","10","8","2","7","1") = "9"
    & skf18("2","10","10","8","2","8","1") = "9"
    & skf18("2","10","10","8","2","9","1") = "9"
    & skf18("2","10","10","8","2","10","1") = "9"
    & skf18("2","10","10","8","3","1","1") = "9"
    & skf18("2","10","10","8","3","2","1") = "9"
    & skf18("2","10","10","8","3","3","1") = "9"
    & skf18("2","10","10","8","3","4","1") = "9"
    & skf18("2","10","10","8","3","5","1") = "9"
    & skf18("2","10","10","8","3","6","1") = "9"
    & skf18("2","10","10","8","3","7","1") = "9"
    & skf18("2","10","10","8","3","8","1") = "9"
    & skf18("2","10","10","8","3","9","1") = "9"
    & skf18("2","10","10","8","3","10","1") = "9"
    & skf18("2","10","10","8","4","1","1") = "9"
    & skf18("2","10","10","8","4","2","1") = "9"
    & skf18("2","10","10","8","4","3","1") = "9"
    & skf18("2","10","10","8","4","4","1") = "9"
    & skf18("2","10","10","8","4","5","1") = "9"
    & skf18("2","10","10","8","4","6","1") = "9"
    & skf18("2","10","10","8","4","7","1") = "9"
    & skf18("2","10","10","8","4","8","1") = "9"
    & skf18("2","10","10","8","4","9","1") = "9"
    & skf18("2","10","10","8","4","10","1") = "9"
    & skf18("2","10","10","8","5","1","1") = "9"
    & skf18("2","10","10","8","5","2","1") = "9"
    & skf18("2","10","10","8","5","3","1") = "9"
    & skf18("2","10","10","8","5","4","1") = "9"
    & skf18("2","10","10","8","5","5","1") = "9"
    & skf18("2","10","10","8","5","6","1") = "9"
    & skf18("2","10","10","8","5","7","1") = "9"
    & skf18("2","10","10","8","5","8","1") = "9"
    & skf18("2","10","10","8","5","9","1") = "9"
    & skf18("2","10","10","8","5","10","1") = "9"
    & skf18("2","10","10","8","6","1","1") = "9"
    & skf18("2","10","10","8","6","2","1") = "9"
    & skf18("2","10","10","8","6","3","1") = "9"
    & skf18("2","10","10","8","6","4","1") = "9"
    & skf18("2","10","10","8","6","5","1") = "9"
    & skf18("2","10","10","8","6","6","1") = "9"
    & skf18("2","10","10","8","6","7","1") = "9"
    & skf18("2","10","10","8","6","8","1") = "9"
    & skf18("2","10","10","8","6","9","1") = "9"
    & skf18("2","10","10","8","6","10","1") = "9"
    & skf18("2","10","10","8","7","1","1") = "9"
    & skf18("2","10","10","8","7","2","1") = "9"
    & skf18("2","10","10","8","7","3","1") = "9"
    & skf18("2","10","10","8","7","4","1") = "9"
    & skf18("2","10","10","8","7","5","1") = "9"
    & skf18("2","10","10","8","7","6","1") = "9"
    & skf18("2","10","10","8","7","7","1") = "9"
    & skf18("2","10","10","8","7","8","1") = "9"
    & skf18("2","10","10","8","7","9","1") = "9"
    & skf18("2","10","10","8","7","10","1") = "9"
    & skf18("2","10","10","8","8","1","1") = "9"
    & skf18("2","10","10","8","8","2","1") = "9"
    & skf18("2","10","10","8","8","3","1") = "9"
    & skf18("2","10","10","8","8","4","1") = "9"
    & skf18("2","10","10","8","8","5","1") = "9"
    & skf18("2","10","10","8","8","6","1") = "9"
    & skf18("2","10","10","8","8","7","1") = "9"
    & skf18("2","10","10","8","8","8","1") = "9"
    & skf18("2","10","10","8","8","9","1") = "9"
    & skf18("2","10","10","8","8","10","1") = "9"
    & skf18("2","10","10","8","9","1","1") = "9"
    & skf18("2","10","10","8","9","2","1") = "9"
    & skf18("2","10","10","8","9","3","1") = "9"
    & skf18("2","10","10","8","9","4","1") = "9"
    & skf18("2","10","10","8","9","5","1") = "9"
    & skf18("2","10","10","8","9","6","1") = "9"
    & skf18("2","10","10","8","9","7","1") = "9"
    & skf18("2","10","10","8","9","8","1") = "9"
    & skf18("2","10","10","8","9","9","1") = "9"
    & skf18("2","10","10","8","9","10","1") = "9"
    & skf18("2","10","10","8","10","1","1") = "9"
    & skf18("2","10","10","8","10","2","1") = "9"
    & skf18("2","10","10","8","10","3","1") = "9"
    & skf18("2","10","10","8","10","4","1") = "9"
    & skf18("2","10","10","8","10","5","1") = "9"
    & skf18("2","10","10","8","10","6","1") = "9"
    & skf18("2","10","10","8","10","7","1") = "9"
    & skf18("2","10","10","8","10","8","1") = "9"
    & skf18("2","10","10","8","10","9","1") = "9"
    & skf18("2","10","10","8","10","10","1") = "9"
    & skf18("2","10","10","9","1","1","1") = "9"
    & skf18("2","10","10","9","1","2","1") = "9"
    & skf18("2","10","10","9","1","3","1") = "9"
    & skf18("2","10","10","9","1","4","1") = "9"
    & skf18("2","10","10","9","1","5","1") = "9"
    & skf18("2","10","10","9","1","6","1") = "9"
    & skf18("2","10","10","9","1","7","1") = "9"
    & skf18("2","10","10","9","1","8","1") = "9"
    & skf18("2","10","10","9","1","9","1") = "9"
    & skf18("2","10","10","9","1","10","1") = "9"
    & skf18("2","10","10","9","2","1","1") = "9"
    & skf18("2","10","10","9","2","2","1") = "9"
    & skf18("2","10","10","9","2","3","1") = "9"
    & skf18("2","10","10","9","2","4","1") = "9"
    & skf18("2","10","10","9","2","5","1") = "9"
    & skf18("2","10","10","9","2","6","1") = "9"
    & skf18("2","10","10","9","2","7","1") = "9"
    & skf18("2","10","10","9","2","8","1") = "9"
    & skf18("2","10","10","9","2","9","1") = "9"
    & skf18("2","10","10","9","2","10","1") = "9"
    & skf18("2","10","10","9","3","1","1") = "9"
    & skf18("2","10","10","9","3","2","1") = "9"
    & skf18("2","10","10","9","3","3","1") = "9"
    & skf18("2","10","10","9","3","4","1") = "9"
    & skf18("2","10","10","9","3","5","1") = "9"
    & skf18("2","10","10","9","3","6","1") = "9"
    & skf18("2","10","10","9","3","7","1") = "9"
    & skf18("2","10","10","9","3","8","1") = "9"
    & skf18("2","10","10","9","3","9","1") = "9"
    & skf18("2","10","10","9","3","10","1") = "9"
    & skf18("2","10","10","9","4","1","1") = "9"
    & skf18("2","10","10","9","4","2","1") = "9"
    & skf18("2","10","10","9","4","3","1") = "9"
    & skf18("2","10","10","9","4","4","1") = "9"
    & skf18("2","10","10","9","4","5","1") = "9"
    & skf18("2","10","10","9","4","6","1") = "9"
    & skf18("2","10","10","9","4","7","1") = "9"
    & skf18("2","10","10","9","4","8","1") = "9"
    & skf18("2","10","10","9","4","9","1") = "9"
    & skf18("2","10","10","9","4","10","1") = "9"
    & skf18("2","10","10","9","5","1","1") = "9"
    & skf18("2","10","10","9","5","2","1") = "9"
    & skf18("2","10","10","9","5","3","1") = "9"
    & skf18("2","10","10","9","5","4","1") = "9"
    & skf18("2","10","10","9","5","5","1") = "9"
    & skf18("2","10","10","9","5","6","1") = "9"
    & skf18("2","10","10","9","5","7","1") = "9"
    & skf18("2","10","10","9","5","8","1") = "9"
    & skf18("2","10","10","9","5","9","1") = "9"
    & skf18("2","10","10","9","5","10","1") = "9"
    & skf18("2","10","10","9","6","1","1") = "9"
    & skf18("2","10","10","9","6","2","1") = "9"
    & skf18("2","10","10","9","6","3","1") = "9"
    & skf18("2","10","10","9","6","4","1") = "9"
    & skf18("2","10","10","9","6","5","1") = "9"
    & skf18("2","10","10","9","6","6","1") = "9"
    & skf18("2","10","10","9","6","7","1") = "9"
    & skf18("2","10","10","9","6","8","1") = "9"
    & skf18("2","10","10","9","6","9","1") = "9"
    & skf18("2","10","10","9","6","10","1") = "9"
    & skf18("2","10","10","9","7","1","1") = "9"
    & skf18("2","10","10","9","7","2","1") = "9"
    & skf18("2","10","10","9","7","3","1") = "9"
    & skf18("2","10","10","9","7","4","1") = "9"
    & skf18("2","10","10","9","7","5","1") = "9"
    & skf18("2","10","10","9","7","6","1") = "9"
    & skf18("2","10","10","9","7","7","1") = "9"
    & skf18("2","10","10","9","7","8","1") = "9"
    & skf18("2","10","10","9","7","9","1") = "9"
    & skf18("2","10","10","9","7","10","1") = "9"
    & skf18("2","10","10","9","8","1","1") = "9"
    & skf18("2","10","10","9","8","2","1") = "9"
    & skf18("2","10","10","9","8","3","1") = "9"
    & skf18("2","10","10","9","8","4","1") = "9"
    & skf18("2","10","10","9","8","5","1") = "9"
    & skf18("2","10","10","9","8","6","1") = "9"
    & skf18("2","10","10","9","8","7","1") = "9"
    & skf18("2","10","10","9","8","8","1") = "9"
    & skf18("2","10","10","9","8","9","1") = "9"
    & skf18("2","10","10","9","8","10","1") = "9"
    & skf18("2","10","10","9","9","1","1") = "9"
    & skf18("2","10","10","9","9","2","1") = "9"
    & skf18("2","10","10","9","9","3","1") = "9"
    & skf18("2","10","10","9","9","4","1") = "9"
    & skf18("2","10","10","9","9","5","1") = "9"
    & skf18("2","10","10","9","9","6","1") = "9"
    & skf18("2","10","10","9","9","7","1") = "9"
    & skf18("2","10","10","9","9","8","1") = "9"
    & skf18("2","10","10","9","9","9","1") = "9"
    & skf18("2","10","10","9","9","10","1") = "9"
    & skf18("2","10","10","9","10","1","1") = "9"
    & skf18("2","10","10","9","10","2","1") = "9"
    & skf18("2","10","10","9","10","3","1") = "9"
    & skf18("2","10","10","9","10","4","1") = "9"
    & skf18("2","10","10","9","10","5","1") = "9"
    & skf18("2","10","10","9","10","6","1") = "9"
    & skf18("2","10","10","9","10","7","1") = "9"
    & skf18("2","10","10","9","10","8","1") = "9"
    & skf18("2","10","10","9","10","9","1") = "9"
    & skf18("2","10","10","9","10","10","1") = "9"
    & skf18("2","10","10","10","1","1","1") = "9"
    & skf18("2","10","10","10","1","2","1") = "9"
    & skf18("2","10","10","10","1","3","1") = "9"
    & skf18("2","10","10","10","1","4","1") = "9"
    & skf18("2","10","10","10","1","5","1") = "9"
    & skf18("2","10","10","10","1","6","1") = "9"
    & skf18("2","10","10","10","1","7","1") = "9"
    & skf18("2","10","10","10","1","8","1") = "9"
    & skf18("2","10","10","10","1","9","1") = "9"
    & skf18("2","10","10","10","1","10","1") = "9"
    & skf18("2","10","10","10","2","1","1") = "9"
    & skf18("2","10","10","10","2","2","1") = "9"
    & skf18("2","10","10","10","2","3","1") = "9"
    & skf18("2","10","10","10","2","4","1") = "9"
    & skf18("2","10","10","10","2","5","1") = "9"
    & skf18("2","10","10","10","2","6","1") = "9"
    & skf18("2","10","10","10","2","7","1") = "9"
    & skf18("2","10","10","10","2","8","1") = "9"
    & skf18("2","10","10","10","2","9","1") = "9"
    & skf18("2","10","10","10","2","10","1") = "9"
    & skf18("2","10","10","10","3","1","1") = "9"
    & skf18("2","10","10","10","3","2","1") = "9"
    & skf18("2","10","10","10","3","3","1") = "9"
    & skf18("2","10","10","10","3","4","1") = "9"
    & skf18("2","10","10","10","3","5","1") = "9"
    & skf18("2","10","10","10","3","6","1") = "9"
    & skf18("2","10","10","10","3","7","1") = "9"
    & skf18("2","10","10","10","3","8","1") = "9"
    & skf18("2","10","10","10","3","9","1") = "9"
    & skf18("2","10","10","10","3","10","1") = "9"
    & skf18("2","10","10","10","4","1","1") = "9"
    & skf18("2","10","10","10","4","2","1") = "9"
    & skf18("2","10","10","10","4","3","1") = "9"
    & skf18("2","10","10","10","4","4","1") = "9"
    & skf18("2","10","10","10","4","5","1") = "9"
    & skf18("2","10","10","10","4","6","1") = "9"
    & skf18("2","10","10","10","4","7","1") = "9"
    & skf18("2","10","10","10","4","8","1") = "9"
    & skf18("2","10","10","10","4","9","1") = "9"
    & skf18("2","10","10","10","4","10","1") = "9"
    & skf18("2","10","10","10","5","1","1") = "9"
    & skf18("2","10","10","10","5","2","1") = "9"
    & skf18("2","10","10","10","5","3","1") = "9"
    & skf18("2","10","10","10","5","4","1") = "9"
    & skf18("2","10","10","10","5","5","1") = "9"
    & skf18("2","10","10","10","5","6","1") = "9"
    & skf18("2","10","10","10","5","7","1") = "9"
    & skf18("2","10","10","10","5","8","1") = "9"
    & skf18("2","10","10","10","5","9","1") = "9"
    & skf18("2","10","10","10","5","10","1") = "9"
    & skf18("2","10","10","10","6","1","1") = "9"
    & skf18("2","10","10","10","6","2","1") = "9"
    & skf18("2","10","10","10","6","3","1") = "9"
    & skf18("2","10","10","10","6","4","1") = "9"
    & skf18("2","10","10","10","6","5","1") = "9"
    & skf18("2","10","10","10","6","6","1") = "9"
    & skf18("2","10","10","10","6","7","1") = "9"
    & skf18("2","10","10","10","6","8","1") = "9"
    & skf18("2","10","10","10","6","9","1") = "9"
    & skf18("2","10","10","10","6","10","1") = "9"
    & skf18("2","10","10","10","7","1","1") = "9"
    & skf18("2","10","10","10","7","2","1") = "9"
    & skf18("2","10","10","10","7","3","1") = "9"
    & skf18("2","10","10","10","7","4","1") = "9"
    & skf18("2","10","10","10","7","5","1") = "9"
    & skf18("2","10","10","10","7","6","1") = "9"
    & skf18("2","10","10","10","7","7","1") = "9"
    & skf18("2","10","10","10","7","8","1") = "9"
    & skf18("2","10","10","10","7","9","1") = "9"
    & skf18("2","10","10","10","7","10","1") = "9"
    & skf18("2","10","10","10","8","1","1") = "9"
    & skf18("2","10","10","10","8","2","1") = "9"
    & skf18("2","10","10","10","8","3","1") = "9"
    & skf18("2","10","10","10","8","4","1") = "9"
    & skf18("2","10","10","10","8","5","1") = "9"
    & skf18("2","10","10","10","8","6","1") = "9"
    & skf18("2","10","10","10","8","7","1") = "9"
    & skf18("2","10","10","10","8","8","1") = "9"
    & skf18("2","10","10","10","8","9","1") = "9"
    & skf18("2","10","10","10","8","10","1") = "9"
    & skf18("2","10","10","10","9","1","1") = "9"
    & skf18("2","10","10","10","9","2","1") = "9"
    & skf18("2","10","10","10","9","3","1") = "9"
    & skf18("2","10","10","10","9","4","1") = "9"
    & skf18("2","10","10","10","9","5","1") = "9"
    & skf18("2","10","10","10","9","6","1") = "9"
    & skf18("2","10","10","10","9","7","1") = "9"
    & skf18("2","10","10","10","9","8","1") = "9"
    & skf18("2","10","10","10","9","9","1") = "9"
    & skf18("2","10","10","10","9","10","1") = "9"
    & skf18("2","10","10","10","10","1","1") = "9"
    & skf18("2","10","10","10","10","2","1") = "9"
    & skf18("2","10","10","10","10","3","1") = "9"
    & skf18("2","10","10","10","10","4","1") = "9"
    & skf18("2","10","10","10","10","5","1") = "9"
    & skf18("2","10","10","10","10","6","1") = "9"
    & skf18("2","10","10","10","10","7","1") = "9"
    & skf18("2","10","10","10","10","8","1") = "9"
    & skf18("2","10","10","10","10","9","1") = "9"
    & skf18("2","10","10","10","10","10","1") = "9"
    & skf18("3","1","1","1","1","1","1") = "2"
    & skf18("3","1","1","1","1","2","1") = "2"
    & skf18("3","1","1","1","1","3","1") = "2"
    & skf18("3","1","1","1","1","4","1") = "3"
    & skf18("3","1","1","1","1","5","1") = "4"
    & skf18("3","1","1","1","1","6","1") = "5"
    & skf18("3","1","1","1","1","7","1") = "6"
    & skf18("3","1","1","1","1","8","1") = "7"
    & skf18("3","1","1","1","1","9","1") = "8"
    & skf18("3","1","1","1","1","10","1") = "9"
    & skf18("3","1","1","1","2","1","1") = "2"
    & skf18("3","1","1","1","2","2","1") = "2"
    & skf18("3","1","1","1","2","3","1") = "2"
    & skf18("3","1","1","1","2","4","1") = "3"
    & skf18("3","1","1","1","2","5","1") = "4"
    & skf18("3","1","1","1","2","6","1") = "5"
    & skf18("3","1","1","1","2","7","1") = "6"
    & skf18("3","1","1","1","2","8","1") = "7"
    & skf18("3","1","1","1","2","9","1") = "8"
    & skf18("3","1","1","1","2","10","1") = "9"
    & skf18("3","1","1","1","3","1","1") = "2"
    & skf18("3","1","1","1","3","2","1") = "2"
    & skf18("3","1","1","1","3","3","1") = "2"
    & skf18("3","1","1","1","3","4","1") = "3"
    & skf18("3","1","1","1","3","5","1") = "4"
    & skf18("3","1","1","1","3","6","1") = "5"
    & skf18("3","1","1","1","3","7","1") = "6"
    & skf18("3","1","1","1","3","8","1") = "7"
    & skf18("3","1","1","1","3","9","1") = "8"
    & skf18("3","1","1","1","3","10","1") = "9"
    & skf18("3","1","1","1","4","1","1") = "3"
    & skf18("3","1","1","1","4","2","1") = "3"
    & skf18("3","1","1","1","4","3","1") = "3"
    & skf18("3","1","1","1","4","4","1") = "3"
    & skf18("3","1","1","1","4","5","1") = "4"
    & skf18("3","1","1","1","4","6","1") = "5"
    & skf18("3","1","1","1","4","7","1") = "6"
    & skf18("3","1","1","1","4","8","1") = "7"
    & skf18("3","1","1","1","4","9","1") = "8"
    & skf18("3","1","1","1","4","10","1") = "9"
    & skf18("3","1","1","1","5","1","1") = "4"
    & skf18("3","1","1","1","5","2","1") = "4"
    & skf18("3","1","1","1","5","3","1") = "4"
    & skf18("3","1","1","1","5","4","1") = "4"
    & skf18("3","1","1","1","5","5","1") = "4"
    & skf18("3","1","1","1","5","6","1") = "5"
    & skf18("3","1","1","1","5","7","1") = "6"
    & skf18("3","1","1","1","5","8","1") = "7"
    & skf18("3","1","1","1","5","9","1") = "8"
    & skf18("3","1","1","1","5","10","1") = "9"
    & skf18("3","1","1","1","6","1","1") = "5"
    & skf18("3","1","1","1","6","2","1") = "5"
    & skf18("3","1","1","1","6","3","1") = "5"
    & skf18("3","1","1","1","6","4","1") = "5"
    & skf18("3","1","1","1","6","5","1") = "5"
    & skf18("3","1","1","1","6","6","1") = "5"
    & skf18("3","1","1","1","6","7","1") = "6"
    & skf18("3","1","1","1","6","8","1") = "7"
    & skf18("3","1","1","1","6","9","1") = "8"
    & skf18("3","1","1","1","6","10","1") = "9"
    & skf18("3","1","1","1","7","1","1") = "6"
    & skf18("3","1","1","1","7","2","1") = "6"
    & skf18("3","1","1","1","7","3","1") = "6"
    & skf18("3","1","1","1","7","4","1") = "6"
    & skf18("3","1","1","1","7","5","1") = "6"
    & skf18("3","1","1","1","7","6","1") = "6"
    & skf18("3","1","1","1","7","7","1") = "6"
    & skf18("3","1","1","1","7","8","1") = "7"
    & skf18("3","1","1","1","7","9","1") = "8"
    & skf18("3","1","1","1","7","10","1") = "9"
    & skf18("3","1","1","1","8","1","1") = "7"
    & skf18("3","1","1","1","8","2","1") = "7"
    & skf18("3","1","1","1","8","3","1") = "7"
    & skf18("3","1","1","1","8","4","1") = "7"
    & skf18("3","1","1","1","8","5","1") = "7"
    & skf18("3","1","1","1","8","6","1") = "7"
    & skf18("3","1","1","1","8","7","1") = "7"
    & skf18("3","1","1","1","8","8","1") = "7"
    & skf18("3","1","1","1","8","9","1") = "8"
    & skf18("3","1","1","1","8","10","1") = "9"
    & skf18("3","1","1","1","9","1","1") = "8"
    & skf18("3","1","1","1","9","2","1") = "8"
    & skf18("3","1","1","1","9","3","1") = "8"
    & skf18("3","1","1","1","9","4","1") = "8"
    & skf18("3","1","1","1","9","5","1") = "8"
    & skf18("3","1","1","1","9","6","1") = "8"
    & skf18("3","1","1","1","9","7","1") = "8"
    & skf18("3","1","1","1","9","8","1") = "8"
    & skf18("3","1","1","1","9","9","1") = "8"
    & skf18("3","1","1","1","9","10","1") = "9"
    & skf18("3","1","1","1","10","1","1") = "9"
    & skf18("3","1","1","1","10","2","1") = "9"
    & skf18("3","1","1","1","10","3","1") = "9"
    & skf18("3","1","1","1","10","4","1") = "9"
    & skf18("3","1","1","1","10","5","1") = "9"
    & skf18("3","1","1","1","10","6","1") = "9"
    & skf18("3","1","1","1","10","7","1") = "9"
    & skf18("3","1","1","1","10","8","1") = "9"
    & skf18("3","1","1","1","10","9","1") = "9"
    & skf18("3","1","1","1","10","10","1") = "9"
    & skf18("3","1","1","2","1","1","1") = "1"
    & skf18("3","1","1","2","1","2","1") = "2"
    & skf18("3","1","1","2","1","3","1") = "2"
    & skf18("3","1","1","2","1","4","1") = "3"
    & skf18("3","1","1","2","1","5","1") = "4"
    & skf18("3","1","1","2","1","6","1") = "5"
    & skf18("3","1","1","2","1","7","1") = "6"
    & skf18("3","1","1","2","1","8","1") = "7"
    & skf18("3","1","1","2","1","9","1") = "8"
    & skf18("3","1","1","2","1","10","1") = "9"
    & skf18("3","1","1","2","2","1","1") = "2"
    & skf18("3","1","1","2","2","2","1") = "2"
    & skf18("3","1","1","2","2","3","1") = "2"
    & skf18("3","1","1","2","2","4","1") = "3"
    & skf18("3","1","1","2","2","5","1") = "4"
    & skf18("3","1","1","2","2","6","1") = "5"
    & skf18("3","1","1","2","2","7","1") = "6"
    & skf18("3","1","1","2","2","8","1") = "7"
    & skf18("3","1","1","2","2","9","1") = "8"
    & skf18("3","1","1","2","2","10","1") = "9"
    & skf18("3","1","1","2","3","1","1") = "2"
    & skf18("3","1","1","2","3","2","1") = "2"
    & skf18("3","1","1","2","3","3","1") = "2"
    & skf18("3","1","1","2","3","4","1") = "3"
    & skf18("3","1","1","2","3","5","1") = "4"
    & skf18("3","1","1","2","3","6","1") = "5"
    & skf18("3","1","1","2","3","7","1") = "6"
    & skf18("3","1","1","2","3","8","1") = "7"
    & skf18("3","1","1","2","3","9","1") = "8"
    & skf18("3","1","1","2","3","10","1") = "9"
    & skf18("3","1","1","2","4","1","1") = "3"
    & skf18("3","1","1","2","4","2","1") = "3"
    & skf18("3","1","1","2","4","3","1") = "3"
    & skf18("3","1","1","2","4","4","1") = "3"
    & skf18("3","1","1","2","4","5","1") = "4"
    & skf18("3","1","1","2","4","6","1") = "5"
    & skf18("3","1","1","2","4","7","1") = "6"
    & skf18("3","1","1","2","4","8","1") = "7"
    & skf18("3","1","1","2","4","9","1") = "8"
    & skf18("3","1","1","2","4","10","1") = "9"
    & skf18("3","1","1","2","5","1","1") = "4"
    & skf18("3","1","1","2","5","2","1") = "4"
    & skf18("3","1","1","2","5","3","1") = "4"
    & skf18("3","1","1","2","5","4","1") = "4"
    & skf18("3","1","1","2","5","5","1") = "4"
    & skf18("3","1","1","2","5","6","1") = "5"
    & skf18("3","1","1","2","5","7","1") = "6"
    & skf18("3","1","1","2","5","8","1") = "7"
    & skf18("3","1","1","2","5","9","1") = "8"
    & skf18("3","1","1","2","5","10","1") = "9"
    & skf18("3","1","1","2","6","1","1") = "5"
    & skf18("3","1","1","2","6","2","1") = "5"
    & skf18("3","1","1","2","6","3","1") = "5"
    & skf18("3","1","1","2","6","4","1") = "5"
    & skf18("3","1","1","2","6","5","1") = "5"
    & skf18("3","1","1","2","6","6","1") = "5"
    & skf18("3","1","1","2","6","7","1") = "6"
    & skf18("3","1","1","2","6","8","1") = "7"
    & skf18("3","1","1","2","6","9","1") = "8"
    & skf18("3","1","1","2","6","10","1") = "9"
    & skf18("3","1","1","2","7","1","1") = "6"
    & skf18("3","1","1","2","7","2","1") = "6"
    & skf18("3","1","1","2","7","3","1") = "6"
    & skf18("3","1","1","2","7","4","1") = "6"
    & skf18("3","1","1","2","7","5","1") = "6"
    & skf18("3","1","1","2","7","6","1") = "6"
    & skf18("3","1","1","2","7","7","1") = "6"
    & skf18("3","1","1","2","7","8","1") = "7"
    & skf18("3","1","1","2","7","9","1") = "8"
    & skf18("3","1","1","2","7","10","1") = "9"
    & skf18("3","1","1","2","8","1","1") = "7"
    & skf18("3","1","1","2","8","2","1") = "7"
    & skf18("3","1","1","2","8","3","1") = "7"
    & skf18("3","1","1","2","8","4","1") = "7"
    & skf18("3","1","1","2","8","5","1") = "7"
    & skf18("3","1","1","2","8","6","1") = "7"
    & skf18("3","1","1","2","8","7","1") = "7"
    & skf18("3","1","1","2","8","8","1") = "7"
    & skf18("3","1","1","2","8","9","1") = "8"
    & skf18("3","1","1","2","8","10","1") = "9"
    & skf18("3","1","1","2","9","1","1") = "8"
    & skf18("3","1","1","2","9","2","1") = "8"
    & skf18("3","1","1","2","9","3","1") = "8"
    & skf18("3","1","1","2","9","4","1") = "8"
    & skf18("3","1","1","2","9","5","1") = "8"
    & skf18("3","1","1","2","9","6","1") = "8"
    & skf18("3","1","1","2","9","7","1") = "8"
    & skf18("3","1","1","2","9","8","1") = "8"
    & skf18("3","1","1","2","9","9","1") = "8"
    & skf18("3","1","1","2","9","10","1") = "9"
    & skf18("3","1","1","2","10","1","1") = "9"
    & skf18("3","1","1","2","10","2","1") = "9"
    & skf18("3","1","1","2","10","3","1") = "9"
    & skf18("3","1","1","2","10","4","1") = "9"
    & skf18("3","1","1","2","10","5","1") = "9"
    & skf18("3","1","1","2","10","6","1") = "9"
    & skf18("3","1","1","2","10","7","1") = "9"
    & skf18("3","1","1","2","10","8","1") = "9"
    & skf18("3","1","1","2","10","9","1") = "9"
    & skf18("3","1","1","2","10","10","1") = "9"
    & skf18("3","1","1","3","1","1","1") = "2"
    & skf18("3","1","1","3","1","2","1") = "2"
    & skf18("3","1","1","3","1","3","1") = "2"
    & skf18("3","1","1","3","1","4","1") = "3"
    & skf18("3","1","1","3","1","5","1") = "4"
    & skf18("3","1","1","3","1","6","1") = "5"
    & skf18("3","1","1","3","1","7","1") = "6"
    & skf18("3","1","1","3","1","8","1") = "7"
    & skf18("3","1","1","3","1","9","1") = "8"
    & skf18("3","1","1","3","1","10","1") = "9"
    & skf18("3","1","1","3","2","1","1") = "2"
    & skf18("3","1","1","3","2","2","1") = "2"
    & skf18("3","1","1","3","2","3","1") = "2"
    & skf18("3","1","1","3","2","4","1") = "3"
    & skf18("3","1","1","3","2","5","1") = "4"
    & skf18("3","1","1","3","2","6","1") = "5"
    & skf18("3","1","1","3","2","7","1") = "6"
    & skf18("3","1","1","3","2","8","1") = "7"
    & skf18("3","1","1","3","2","9","1") = "8"
    & skf18("3","1","1","3","2","10","1") = "9"
    & skf18("3","1","1","3","3","1","1") = "2"
    & skf18("3","1","1","3","3","2","1") = "2"
    & skf18("3","1","1","3","3","3","1") = "2"
    & skf18("3","1","1","3","3","4","1") = "3"
    & skf18("3","1","1","3","3","5","1") = "4"
    & skf18("3","1","1","3","3","6","1") = "5"
    & skf18("3","1","1","3","3","7","1") = "6"
    & skf18("3","1","1","3","3","8","1") = "7"
    & skf18("3","1","1","3","3","9","1") = "8"
    & skf18("3","1","1","3","3","10","1") = "9"
    & skf18("3","1","1","3","4","1","1") = "3"
    & skf18("3","1","1","3","4","2","1") = "3"
    & skf18("3","1","1","3","4","3","1") = "3"
    & skf18("3","1","1","3","4","4","1") = "3"
    & skf18("3","1","1","3","4","5","1") = "4"
    & skf18("3","1","1","3","4","6","1") = "5"
    & skf18("3","1","1","3","4","7","1") = "6"
    & skf18("3","1","1","3","4","8","1") = "7"
    & skf18("3","1","1","3","4","9","1") = "8"
    & skf18("3","1","1","3","4","10","1") = "9"
    & skf18("3","1","1","3","5","1","1") = "4"
    & skf18("3","1","1","3","5","2","1") = "4"
    & skf18("3","1","1","3","5","3","1") = "4"
    & skf18("3","1","1","3","5","4","1") = "4"
    & skf18("3","1","1","3","5","5","1") = "4"
    & skf18("3","1","1","3","5","6","1") = "5"
    & skf18("3","1","1","3","5","7","1") = "6"
    & skf18("3","1","1","3","5","8","1") = "7"
    & skf18("3","1","1","3","5","9","1") = "8"
    & skf18("3","1","1","3","5","10","1") = "9"
    & skf18("3","1","1","3","6","1","1") = "5"
    & skf18("3","1","1","3","6","2","1") = "5"
    & skf18("3","1","1","3","6","3","1") = "5"
    & skf18("3","1","1","3","6","4","1") = "5"
    & skf18("3","1","1","3","6","5","1") = "5"
    & skf18("3","1","1","3","6","6","1") = "5"
    & skf18("3","1","1","3","6","7","1") = "6"
    & skf18("3","1","1","3","6","8","1") = "7"
    & skf18("3","1","1","3","6","9","1") = "8"
    & skf18("3","1","1","3","6","10","1") = "9"
    & skf18("3","1","1","3","7","1","1") = "6"
    & skf18("3","1","1","3","7","2","1") = "6"
    & skf18("3","1","1","3","7","3","1") = "6"
    & skf18("3","1","1","3","7","4","1") = "6"
    & skf18("3","1","1","3","7","5","1") = "6"
    & skf18("3","1","1","3","7","6","1") = "6"
    & skf18("3","1","1","3","7","7","1") = "6"
    & skf18("3","1","1","3","7","8","1") = "7"
    & skf18("3","1","1","3","7","9","1") = "8"
    & skf18("3","1","1","3","7","10","1") = "9"
    & skf18("3","1","1","3","8","1","1") = "7"
    & skf18("3","1","1","3","8","2","1") = "7"
    & skf18("3","1","1","3","8","3","1") = "7"
    & skf18("3","1","1","3","8","4","1") = "7"
    & skf18("3","1","1","3","8","5","1") = "7"
    & skf18("3","1","1","3","8","6","1") = "7"
    & skf18("3","1","1","3","8","7","1") = "7"
    & skf18("3","1","1","3","8","8","1") = "7"
    & skf18("3","1","1","3","8","9","1") = "8"
    & skf18("3","1","1","3","8","10","1") = "9"
    & skf18("3","1","1","3","9","1","1") = "8"
    & skf18("3","1","1","3","9","2","1") = "8"
    & skf18("3","1","1","3","9","3","1") = "8"
    & skf18("3","1","1","3","9","4","1") = "8"
    & skf18("3","1","1","3","9","5","1") = "8"
    & skf18("3","1","1","3","9","6","1") = "8"
    & skf18("3","1","1","3","9","7","1") = "8"
    & skf18("3","1","1","3","9","8","1") = "8"
    & skf18("3","1","1","3","9","9","1") = "8"
    & skf18("3","1","1","3","9","10","1") = "9"
    & skf18("3","1","1","3","10","1","1") = "9"
    & skf18("3","1","1","3","10","2","1") = "9"
    & skf18("3","1","1","3","10","3","1") = "9"
    & skf18("3","1","1","3","10","4","1") = "9"
    & skf18("3","1","1","3","10","5","1") = "9"
    & skf18("3","1","1","3","10","6","1") = "9"
    & skf18("3","1","1","3","10","7","1") = "9"
    & skf18("3","1","1","3","10","8","1") = "9"
    & skf18("3","1","1","3","10","9","1") = "9"
    & skf18("3","1","1","3","10","10","1") = "9"
    & skf18("3","1","1","4","1","1","1") = "3"
    & skf18("3","1","1","4","1","2","1") = "3"
    & skf18("3","1","1","4","1","3","1") = "3"
    & skf18("3","1","1","4","1","4","1") = "3"
    & skf18("3","1","1","4","1","5","1") = "4"
    & skf18("3","1","1","4","1","6","1") = "5"
    & skf18("3","1","1","4","1","7","1") = "6"
    & skf18("3","1","1","4","1","8","1") = "7"
    & skf18("3","1","1","4","1","9","1") = "8"
    & skf18("3","1","1","4","1","10","1") = "9"
    & skf18("3","1","1","4","2","1","1") = "3"
    & skf18("3","1","1","4","2","2","1") = "3"
    & skf18("3","1","1","4","2","3","1") = "3"
    & skf18("3","1","1","4","2","4","1") = "3"
    & skf18("3","1","1","4","2","5","1") = "4"
    & skf18("3","1","1","4","2","6","1") = "5"
    & skf18("3","1","1","4","2","7","1") = "6"
    & skf18("3","1","1","4","2","8","1") = "7"
    & skf18("3","1","1","4","2","9","1") = "8"
    & skf18("3","1","1","4","2","10","1") = "9"
    & skf18("3","1","1","4","3","1","1") = "3"
    & skf18("3","1","1","4","3","2","1") = "3"
    & skf18("3","1","1","4","3","3","1") = "3"
    & skf18("3","1","1","4","3","4","1") = "3"
    & skf18("3","1","1","4","3","5","1") = "4"
    & skf18("3","1","1","4","3","6","1") = "5"
    & skf18("3","1","1","4","3","7","1") = "6"
    & skf18("3","1","1","4","3","8","1") = "7"
    & skf18("3","1","1","4","3","9","1") = "8"
    & skf18("3","1","1","4","3","10","1") = "9"
    & skf18("3","1","1","4","4","1","1") = "3"
    & skf18("3","1","1","4","4","2","1") = "3"
    & skf18("3","1","1","4","4","3","1") = "3"
    & skf18("3","1","1","4","4","4","1") = "3"
    & skf18("3","1","1","4","4","5","1") = "4"
    & skf18("3","1","1","4","4","6","1") = "5"
    & skf18("3","1","1","4","4","7","1") = "6"
    & skf18("3","1","1","4","4","8","1") = "7"
    & skf18("3","1","1","4","4","9","1") = "8"
    & skf18("3","1","1","4","4","10","1") = "9"
    & skf18("3","1","1","4","5","1","1") = "4"
    & skf18("3","1","1","4","5","2","1") = "4"
    & skf18("3","1","1","4","5","3","1") = "4"
    & skf18("3","1","1","4","5","4","1") = "4"
    & skf18("3","1","1","4","5","5","1") = "4"
    & skf18("3","1","1","4","5","6","1") = "5"
    & skf18("3","1","1","4","5","7","1") = "6"
    & skf18("3","1","1","4","5","8","1") = "7"
    & skf18("3","1","1","4","5","9","1") = "8"
    & skf18("3","1","1","4","5","10","1") = "9"
    & skf18("3","1","1","4","6","1","1") = "5"
    & skf18("3","1","1","4","6","2","1") = "5"
    & skf18("3","1","1","4","6","3","1") = "5"
    & skf18("3","1","1","4","6","4","1") = "5"
    & skf18("3","1","1","4","6","5","1") = "5"
    & skf18("3","1","1","4","6","6","1") = "5"
    & skf18("3","1","1","4","6","7","1") = "6"
    & skf18("3","1","1","4","6","8","1") = "7"
    & skf18("3","1","1","4","6","9","1") = "8"
    & skf18("3","1","1","4","6","10","1") = "9"
    & skf18("3","1","1","4","7","1","1") = "6"
    & skf18("3","1","1","4","7","2","1") = "6"
    & skf18("3","1","1","4","7","3","1") = "6"
    & skf18("3","1","1","4","7","4","1") = "6"
    & skf18("3","1","1","4","7","5","1") = "6"
    & skf18("3","1","1","4","7","6","1") = "6"
    & skf18("3","1","1","4","7","7","1") = "6"
    & skf18("3","1","1","4","7","8","1") = "7"
    & skf18("3","1","1","4","7","9","1") = "8"
    & skf18("3","1","1","4","7","10","1") = "9"
    & skf18("3","1","1","4","8","1","1") = "7"
    & skf18("3","1","1","4","8","2","1") = "7"
    & skf18("3","1","1","4","8","3","1") = "7"
    & skf18("3","1","1","4","8","4","1") = "7"
    & skf18("3","1","1","4","8","5","1") = "7"
    & skf18("3","1","1","4","8","6","1") = "7"
    & skf18("3","1","1","4","8","7","1") = "7"
    & skf18("3","1","1","4","8","8","1") = "7"
    & skf18("3","1","1","4","8","9","1") = "8"
    & skf18("3","1","1","4","8","10","1") = "9"
    & skf18("3","1","1","4","9","1","1") = "8"
    & skf18("3","1","1","4","9","2","1") = "8"
    & skf18("3","1","1","4","9","3","1") = "8"
    & skf18("3","1","1","4","9","4","1") = "8"
    & skf18("3","1","1","4","9","5","1") = "8"
    & skf18("3","1","1","4","9","6","1") = "8"
    & skf18("3","1","1","4","9","7","1") = "8"
    & skf18("3","1","1","4","9","8","1") = "8"
    & skf18("3","1","1","4","9","9","1") = "8"
    & skf18("3","1","1","4","9","10","1") = "9"
    & skf18("3","1","1","4","10","1","1") = "9"
    & skf18("3","1","1","4","10","2","1") = "9"
    & skf18("3","1","1","4","10","3","1") = "9"
    & skf18("3","1","1","4","10","4","1") = "9"
    & skf18("3","1","1","4","10","5","1") = "9"
    & skf18("3","1","1","4","10","6","1") = "9"
    & skf18("3","1","1","4","10","7","1") = "9"
    & skf18("3","1","1","4","10","8","1") = "9"
    & skf18("3","1","1","4","10","9","1") = "9"
    & skf18("3","1","1","4","10","10","1") = "9"
    & skf18("3","1","1","5","1","1","1") = "4"
    & skf18("3","1","1","5","1","2","1") = "4"
    & skf18("3","1","1","5","1","3","1") = "4"
    & skf18("3","1","1","5","1","4","1") = "4"
    & skf18("3","1","1","5","1","5","1") = "4"
    & skf18("3","1","1","5","1","6","1") = "5"
    & skf18("3","1","1","5","1","7","1") = "6"
    & skf18("3","1","1","5","1","8","1") = "7"
    & skf18("3","1","1","5","1","9","1") = "8"
    & skf18("3","1","1","5","1","10","1") = "9"
    & skf18("3","1","1","5","2","1","1") = "4"
    & skf18("3","1","1","5","2","2","1") = "4"
    & skf18("3","1","1","5","2","3","1") = "4"
    & skf18("3","1","1","5","2","4","1") = "4"
    & skf18("3","1","1","5","2","5","1") = "4"
    & skf18("3","1","1","5","2","6","1") = "5"
    & skf18("3","1","1","5","2","7","1") = "6"
    & skf18("3","1","1","5","2","8","1") = "7"
    & skf18("3","1","1","5","2","9","1") = "8"
    & skf18("3","1","1","5","2","10","1") = "9"
    & skf18("3","1","1","5","3","1","1") = "4"
    & skf18("3","1","1","5","3","2","1") = "4"
    & skf18("3","1","1","5","3","3","1") = "4"
    & skf18("3","1","1","5","3","4","1") = "4"
    & skf18("3","1","1","5","3","5","1") = "4"
    & skf18("3","1","1","5","3","6","1") = "5"
    & skf18("3","1","1","5","3","7","1") = "6"
    & skf18("3","1","1","5","3","8","1") = "7"
    & skf18("3","1","1","5","3","9","1") = "8"
    & skf18("3","1","1","5","3","10","1") = "9"
    & skf18("3","1","1","5","4","1","1") = "4"
    & skf18("3","1","1","5","4","2","1") = "4"
    & skf18("3","1","1","5","4","3","1") = "4"
    & skf18("3","1","1","5","4","4","1") = "4"
    & skf18("3","1","1","5","4","5","1") = "4"
    & skf18("3","1","1","5","4","6","1") = "5"
    & skf18("3","1","1","5","4","7","1") = "6"
    & skf18("3","1","1","5","4","8","1") = "7"
    & skf18("3","1","1","5","4","9","1") = "8"
    & skf18("3","1","1","5","4","10","1") = "9"
    & skf18("3","1","1","5","5","1","1") = "4"
    & skf18("3","1","1","5","5","2","1") = "4"
    & skf18("3","1","1","5","5","3","1") = "4"
    & skf18("3","1","1","5","5","4","1") = "4"
    & skf18("3","1","1","5","5","5","1") = "4"
    & skf18("3","1","1","5","5","6","1") = "5"
    & skf18("3","1","1","5","5","7","1") = "6"
    & skf18("3","1","1","5","5","8","1") = "7"
    & skf18("3","1","1","5","5","9","1") = "8"
    & skf18("3","1","1","5","5","10","1") = "9"
    & skf18("3","1","1","5","6","1","1") = "5"
    & skf18("3","1","1","5","6","2","1") = "5"
    & skf18("3","1","1","5","6","3","1") = "5"
    & skf18("3","1","1","5","6","4","1") = "5"
    & skf18("3","1","1","5","6","5","1") = "5"
    & skf18("3","1","1","5","6","6","1") = "5"
    & skf18("3","1","1","5","6","7","1") = "6"
    & skf18("3","1","1","5","6","8","1") = "7"
    & skf18("3","1","1","5","6","9","1") = "8"
    & skf18("3","1","1","5","6","10","1") = "9"
    & skf18("3","1","1","5","7","1","1") = "6"
    & skf18("3","1","1","5","7","2","1") = "6"
    & skf18("3","1","1","5","7","3","1") = "6"
    & skf18("3","1","1","5","7","4","1") = "6"
    & skf18("3","1","1","5","7","5","1") = "6"
    & skf18("3","1","1","5","7","6","1") = "6"
    & skf18("3","1","1","5","7","7","1") = "6"
    & skf18("3","1","1","5","7","8","1") = "7"
    & skf18("3","1","1","5","7","9","1") = "8"
    & skf18("3","1","1","5","7","10","1") = "9"
    & skf18("3","1","1","5","8","1","1") = "7"
    & skf18("3","1","1","5","8","2","1") = "7"
    & skf18("3","1","1","5","8","3","1") = "7"
    & skf18("3","1","1","5","8","4","1") = "7"
    & skf18("3","1","1","5","8","5","1") = "7"
    & skf18("3","1","1","5","8","6","1") = "7"
    & skf18("3","1","1","5","8","7","1") = "7"
    & skf18("3","1","1","5","8","8","1") = "7"
    & skf18("3","1","1","5","8","9","1") = "8"
    & skf18("3","1","1","5","8","10","1") = "9"
    & skf18("3","1","1","5","9","1","1") = "8"
    & skf18("3","1","1","5","9","2","1") = "8"
    & skf18("3","1","1","5","9","3","1") = "8"
    & skf18("3","1","1","5","9","4","1") = "8"
    & skf18("3","1","1","5","9","5","1") = "8"
    & skf18("3","1","1","5","9","6","1") = "8"
    & skf18("3","1","1","5","9","7","1") = "8"
    & skf18("3","1","1","5","9","8","1") = "8"
    & skf18("3","1","1","5","9","9","1") = "8"
    & skf18("3","1","1","5","9","10","1") = "9"
    & skf18("3","1","1","5","10","1","1") = "9"
    & skf18("3","1","1","5","10","2","1") = "9"
    & skf18("3","1","1","5","10","3","1") = "9"
    & skf18("3","1","1","5","10","4","1") = "9"
    & skf18("3","1","1","5","10","5","1") = "9"
    & skf18("3","1","1","5","10","6","1") = "9"
    & skf18("3","1","1","5","10","7","1") = "9"
    & skf18("3","1","1","5","10","8","1") = "9"
    & skf18("3","1","1","5","10","9","1") = "9"
    & skf18("3","1","1","5","10","10","1") = "9"
    & skf18("3","1","1","6","1","1","1") = "5"
    & skf18("3","1","1","6","1","2","1") = "5"
    & skf18("3","1","1","6","1","3","1") = "5"
    & skf18("3","1","1","6","1","4","1") = "5"
    & skf18("3","1","1","6","1","5","1") = "5"
    & skf18("3","1","1","6","1","6","1") = "5"
    & skf18("3","1","1","6","1","7","1") = "6"
    & skf18("3","1","1","6","1","8","1") = "7"
    & skf18("3","1","1","6","1","9","1") = "8"
    & skf18("3","1","1","6","1","10","1") = "9"
    & skf18("3","1","1","6","2","1","1") = "5"
    & skf18("3","1","1","6","2","2","1") = "5"
    & skf18("3","1","1","6","2","3","1") = "5"
    & skf18("3","1","1","6","2","4","1") = "5"
    & skf18("3","1","1","6","2","5","1") = "5"
    & skf18("3","1","1","6","2","6","1") = "5"
    & skf18("3","1","1","6","2","7","1") = "6"
    & skf18("3","1","1","6","2","8","1") = "7"
    & skf18("3","1","1","6","2","9","1") = "8"
    & skf18("3","1","1","6","2","10","1") = "9"
    & skf18("3","1","1","6","3","1","1") = "5"
    & skf18("3","1","1","6","3","2","1") = "5"
    & skf18("3","1","1","6","3","3","1") = "5"
    & skf18("3","1","1","6","3","4","1") = "5"
    & skf18("3","1","1","6","3","5","1") = "5"
    & skf18("3","1","1","6","3","6","1") = "5"
    & skf18("3","1","1","6","3","7","1") = "6"
    & skf18("3","1","1","6","3","8","1") = "7"
    & skf18("3","1","1","6","3","9","1") = "8"
    & skf18("3","1","1","6","3","10","1") = "9"
    & skf18("3","1","1","6","4","1","1") = "5"
    & skf18("3","1","1","6","4","2","1") = "5"
    & skf18("3","1","1","6","4","3","1") = "5"
    & skf18("3","1","1","6","4","4","1") = "5"
    & skf18("3","1","1","6","4","5","1") = "5"
    & skf18("3","1","1","6","4","6","1") = "5"
    & skf18("3","1","1","6","4","7","1") = "6"
    & skf18("3","1","1","6","4","8","1") = "7"
    & skf18("3","1","1","6","4","9","1") = "8"
    & skf18("3","1","1","6","4","10","1") = "9"
    & skf18("3","1","1","6","5","1","1") = "5"
    & skf18("3","1","1","6","5","2","1") = "5"
    & skf18("3","1","1","6","5","3","1") = "5"
    & skf18("3","1","1","6","5","4","1") = "5"
    & skf18("3","1","1","6","5","5","1") = "5"
    & skf18("3","1","1","6","5","6","1") = "5"
    & skf18("3","1","1","6","5","7","1") = "6"
    & skf18("3","1","1","6","5","8","1") = "7"
    & skf18("3","1","1","6","5","9","1") = "8"
    & skf18("3","1","1","6","5","10","1") = "9"
    & skf18("3","1","1","6","6","1","1") = "5"
    & skf18("3","1","1","6","6","2","1") = "5"
    & skf18("3","1","1","6","6","3","1") = "5"
    & skf18("3","1","1","6","6","4","1") = "5"
    & skf18("3","1","1","6","6","5","1") = "5"
    & skf18("3","1","1","6","6","6","1") = "5"
    & skf18("3","1","1","6","6","7","1") = "6"
    & skf18("3","1","1","6","6","8","1") = "7"
    & skf18("3","1","1","6","6","9","1") = "8"
    & skf18("3","1","1","6","6","10","1") = "9"
    & skf18("3","1","1","6","7","1","1") = "6"
    & skf18("3","1","1","6","7","2","1") = "6"
    & skf18("3","1","1","6","7","3","1") = "6"
    & skf18("3","1","1","6","7","4","1") = "6"
    & skf18("3","1","1","6","7","5","1") = "6"
    & skf18("3","1","1","6","7","6","1") = "6"
    & skf18("3","1","1","6","7","7","1") = "6"
    & skf18("3","1","1","6","7","8","1") = "7"
    & skf18("3","1","1","6","7","9","1") = "8"
    & skf18("3","1","1","6","7","10","1") = "9"
    & skf18("3","1","1","6","8","1","1") = "7"
    & skf18("3","1","1","6","8","2","1") = "7"
    & skf18("3","1","1","6","8","3","1") = "7"
    & skf18("3","1","1","6","8","4","1") = "7"
    & skf18("3","1","1","6","8","5","1") = "7"
    & skf18("3","1","1","6","8","6","1") = "7"
    & skf18("3","1","1","6","8","7","1") = "7"
    & skf18("3","1","1","6","8","8","1") = "7"
    & skf18("3","1","1","6","8","9","1") = "8"
    & skf18("3","1","1","6","8","10","1") = "9"
    & skf18("3","1","1","6","9","1","1") = "8"
    & skf18("3","1","1","6","9","2","1") = "8"
    & skf18("3","1","1","6","9","3","1") = "8"
    & skf18("3","1","1","6","9","4","1") = "8"
    & skf18("3","1","1","6","9","5","1") = "8"
    & skf18("3","1","1","6","9","6","1") = "8"
    & skf18("3","1","1","6","9","7","1") = "8"
    & skf18("3","1","1","6","9","8","1") = "8"
    & skf18("3","1","1","6","9","9","1") = "8"
    & skf18("3","1","1","6","9","10","1") = "9"
    & skf18("3","1","1","6","10","1","1") = "9"
    & skf18("3","1","1","6","10","2","1") = "9"
    & skf18("3","1","1","6","10","3","1") = "9"
    & skf18("3","1","1","6","10","4","1") = "9"
    & skf18("3","1","1","6","10","5","1") = "9"
    & skf18("3","1","1","6","10","6","1") = "9"
    & skf18("3","1","1","6","10","7","1") = "9"
    & skf18("3","1","1","6","10","8","1") = "9"
    & skf18("3","1","1","6","10","9","1") = "9"
    & skf18("3","1","1","6","10","10","1") = "9"
    & skf18("3","1","1","7","1","1","1") = "6"
    & skf18("3","1","1","7","1","2","1") = "6"
    & skf18("3","1","1","7","1","3","1") = "6"
    & skf18("3","1","1","7","1","4","1") = "6"
    & skf18("3","1","1","7","1","5","1") = "6"
    & skf18("3","1","1","7","1","6","1") = "6"
    & skf18("3","1","1","7","1","7","1") = "6"
    & skf18("3","1","1","7","1","8","1") = "7"
    & skf18("3","1","1","7","1","9","1") = "8"
    & skf18("3","1","1","7","1","10","1") = "9"
    & skf18("3","1","1","7","2","1","1") = "6"
    & skf18("3","1","1","7","2","2","1") = "6"
    & skf18("3","1","1","7","2","3","1") = "6"
    & skf18("3","1","1","7","2","4","1") = "6"
    & skf18("3","1","1","7","2","5","1") = "6"
    & skf18("3","1","1","7","2","6","1") = "6"
    & skf18("3","1","1","7","2","7","1") = "6"
    & skf18("3","1","1","7","2","8","1") = "7"
    & skf18("3","1","1","7","2","9","1") = "8"
    & skf18("3","1","1","7","2","10","1") = "9"
    & skf18("3","1","1","7","3","1","1") = "6"
    & skf18("3","1","1","7","3","2","1") = "6"
    & skf18("3","1","1","7","3","3","1") = "6"
    & skf18("3","1","1","7","3","4","1") = "6"
    & skf18("3","1","1","7","3","5","1") = "6"
    & skf18("3","1","1","7","3","6","1") = "6"
    & skf18("3","1","1","7","3","7","1") = "6"
    & skf18("3","1","1","7","3","8","1") = "7"
    & skf18("3","1","1","7","3","9","1") = "8"
    & skf18("3","1","1","7","3","10","1") = "9"
    & skf18("3","1","1","7","4","1","1") = "6"
    & skf18("3","1","1","7","4","2","1") = "6"
    & skf18("3","1","1","7","4","3","1") = "6"
    & skf18("3","1","1","7","4","4","1") = "6"
    & skf18("3","1","1","7","4","5","1") = "6"
    & skf18("3","1","1","7","4","6","1") = "6"
    & skf18("3","1","1","7","4","7","1") = "6"
    & skf18("3","1","1","7","4","8","1") = "7"
    & skf18("3","1","1","7","4","9","1") = "8"
    & skf18("3","1","1","7","4","10","1") = "9"
    & skf18("3","1","1","7","5","1","1") = "6"
    & skf18("3","1","1","7","5","2","1") = "6"
    & skf18("3","1","1","7","5","3","1") = "6"
    & skf18("3","1","1","7","5","4","1") = "6"
    & skf18("3","1","1","7","5","5","1") = "6"
    & skf18("3","1","1","7","5","6","1") = "6"
    & skf18("3","1","1","7","5","7","1") = "6"
    & skf18("3","1","1","7","5","8","1") = "7"
    & skf18("3","1","1","7","5","9","1") = "8"
    & skf18("3","1","1","7","5","10","1") = "9"
    & skf18("3","1","1","7","6","1","1") = "6"
    & skf18("3","1","1","7","6","2","1") = "6"
    & skf18("3","1","1","7","6","3","1") = "6"
    & skf18("3","1","1","7","6","4","1") = "6"
    & skf18("3","1","1","7","6","5","1") = "6"
    & skf18("3","1","1","7","6","6","1") = "6"
    & skf18("3","1","1","7","6","7","1") = "6"
    & skf18("3","1","1","7","6","8","1") = "7"
    & skf18("3","1","1","7","6","9","1") = "8"
    & skf18("3","1","1","7","6","10","1") = "9"
    & skf18("3","1","1","7","7","1","1") = "6"
    & skf18("3","1","1","7","7","2","1") = "6"
    & skf18("3","1","1","7","7","3","1") = "6"
    & skf18("3","1","1","7","7","4","1") = "6"
    & skf18("3","1","1","7","7","5","1") = "6"
    & skf18("3","1","1","7","7","6","1") = "6"
    & skf18("3","1","1","7","7","7","1") = "6"
    & skf18("3","1","1","7","7","8","1") = "7"
    & skf18("3","1","1","7","7","9","1") = "8"
    & skf18("3","1","1","7","7","10","1") = "9"
    & skf18("3","1","1","7","8","1","1") = "7"
    & skf18("3","1","1","7","8","2","1") = "7"
    & skf18("3","1","1","7","8","3","1") = "7"
    & skf18("3","1","1","7","8","4","1") = "7"
    & skf18("3","1","1","7","8","5","1") = "7"
    & skf18("3","1","1","7","8","6","1") = "7"
    & skf18("3","1","1","7","8","7","1") = "7"
    & skf18("3","1","1","7","8","8","1") = "7"
    & skf18("3","1","1","7","8","9","1") = "8"
    & skf18("3","1","1","7","8","10","1") = "9"
    & skf18("3","1","1","7","9","1","1") = "8"
    & skf18("3","1","1","7","9","2","1") = "8"
    & skf18("3","1","1","7","9","3","1") = "8"
    & skf18("3","1","1","7","9","4","1") = "8"
    & skf18("3","1","1","7","9","5","1") = "8"
    & skf18("3","1","1","7","9","6","1") = "8"
    & skf18("3","1","1","7","9","7","1") = "8"
    & skf18("3","1","1","7","9","8","1") = "8"
    & skf18("3","1","1","7","9","9","1") = "8"
    & skf18("3","1","1","7","9","10","1") = "9"
    & skf18("3","1","1","7","10","1","1") = "9"
    & skf18("3","1","1","7","10","2","1") = "9"
    & skf18("3","1","1","7","10","3","1") = "9"
    & skf18("3","1","1","7","10","4","1") = "9"
    & skf18("3","1","1","7","10","5","1") = "9"
    & skf18("3","1","1","7","10","6","1") = "9"
    & skf18("3","1","1","7","10","7","1") = "9"
    & skf18("3","1","1","7","10","8","1") = "9"
    & skf18("3","1","1","7","10","9","1") = "9"
    & skf18("3","1","1","7","10","10","1") = "9"
    & skf18("3","1","1","8","1","1","1") = "7"
    & skf18("3","1","1","8","1","2","1") = "7"
    & skf18("3","1","1","8","1","3","1") = "7"
    & skf18("3","1","1","8","1","4","1") = "7"
    & skf18("3","1","1","8","1","5","1") = "7"
    & skf18("3","1","1","8","1","6","1") = "7"
    & skf18("3","1","1","8","1","7","1") = "7"
    & skf18("3","1","1","8","1","8","1") = "7"
    & skf18("3","1","1","8","1","9","1") = "8"
    & skf18("3","1","1","8","1","10","1") = "9"
    & skf18("3","1","1","8","2","1","1") = "7"
    & skf18("3","1","1","8","2","2","1") = "7"
    & skf18("3","1","1","8","2","3","1") = "7"
    & skf18("3","1","1","8","2","4","1") = "7"
    & skf18("3","1","1","8","2","5","1") = "7"
    & skf18("3","1","1","8","2","6","1") = "7"
    & skf18("3","1","1","8","2","7","1") = "7"
    & skf18("3","1","1","8","2","8","1") = "7"
    & skf18("3","1","1","8","2","9","1") = "8"
    & skf18("3","1","1","8","2","10","1") = "9"
    & skf18("3","1","1","8","3","1","1") = "7"
    & skf18("3","1","1","8","3","2","1") = "7"
    & skf18("3","1","1","8","3","3","1") = "7"
    & skf18("3","1","1","8","3","4","1") = "7"
    & skf18("3","1","1","8","3","5","1") = "7"
    & skf18("3","1","1","8","3","6","1") = "7"
    & skf18("3","1","1","8","3","7","1") = "7"
    & skf18("3","1","1","8","3","8","1") = "7"
    & skf18("3","1","1","8","3","9","1") = "8"
    & skf18("3","1","1","8","3","10","1") = "9"
    & skf18("3","1","1","8","4","1","1") = "7"
    & skf18("3","1","1","8","4","2","1") = "7"
    & skf18("3","1","1","8","4","3","1") = "7"
    & skf18("3","1","1","8","4","4","1") = "7"
    & skf18("3","1","1","8","4","5","1") = "7"
    & skf18("3","1","1","8","4","6","1") = "7"
    & skf18("3","1","1","8","4","7","1") = "7"
    & skf18("3","1","1","8","4","8","1") = "7"
    & skf18("3","1","1","8","4","9","1") = "8"
    & skf18("3","1","1","8","4","10","1") = "9"
    & skf18("3","1","1","8","5","1","1") = "7"
    & skf18("3","1","1","8","5","2","1") = "7"
    & skf18("3","1","1","8","5","3","1") = "7"
    & skf18("3","1","1","8","5","4","1") = "7"
    & skf18("3","1","1","8","5","5","1") = "7"
    & skf18("3","1","1","8","5","6","1") = "7"
    & skf18("3","1","1","8","5","7","1") = "7"
    & skf18("3","1","1","8","5","8","1") = "7"
    & skf18("3","1","1","8","5","9","1") = "8"
    & skf18("3","1","1","8","5","10","1") = "9"
    & skf18("3","1","1","8","6","1","1") = "7"
    & skf18("3","1","1","8","6","2","1") = "7"
    & skf18("3","1","1","8","6","3","1") = "7"
    & skf18("3","1","1","8","6","4","1") = "7"
    & skf18("3","1","1","8","6","5","1") = "7"
    & skf18("3","1","1","8","6","6","1") = "7"
    & skf18("3","1","1","8","6","7","1") = "7"
    & skf18("3","1","1","8","6","8","1") = "7"
    & skf18("3","1","1","8","6","9","1") = "8"
    & skf18("3","1","1","8","6","10","1") = "9"
    & skf18("3","1","1","8","7","1","1") = "7"
    & skf18("3","1","1","8","7","2","1") = "7"
    & skf18("3","1","1","8","7","3","1") = "7"
    & skf18("3","1","1","8","7","4","1") = "7"
    & skf18("3","1","1","8","7","5","1") = "7"
    & skf18("3","1","1","8","7","6","1") = "7"
    & skf18("3","1","1","8","7","7","1") = "7"
    & skf18("3","1","1","8","7","8","1") = "7"
    & skf18("3","1","1","8","7","9","1") = "8"
    & skf18("3","1","1","8","7","10","1") = "9"
    & skf18("3","1","1","8","8","1","1") = "7"
    & skf18("3","1","1","8","8","2","1") = "7"
    & skf18("3","1","1","8","8","3","1") = "7"
    & skf18("3","1","1","8","8","4","1") = "7"
    & skf18("3","1","1","8","8","5","1") = "7"
    & skf18("3","1","1","8","8","6","1") = "7"
    & skf18("3","1","1","8","8","7","1") = "7"
    & skf18("3","1","1","8","8","8","1") = "7"
    & skf18("3","1","1","8","8","9","1") = "8"
    & skf18("3","1","1","8","8","10","1") = "9"
    & skf18("3","1","1","8","9","1","1") = "8"
    & skf18("3","1","1","8","9","2","1") = "8"
    & skf18("3","1","1","8","9","3","1") = "8"
    & skf18("3","1","1","8","9","4","1") = "8"
    & skf18("3","1","1","8","9","5","1") = "8"
    & skf18("3","1","1","8","9","6","1") = "8"
    & skf18("3","1","1","8","9","7","1") = "8"
    & skf18("3","1","1","8","9","8","1") = "8"
    & skf18("3","1","1","8","9","9","1") = "8"
    & skf18("3","1","1","8","9","10","1") = "9"
    & skf18("3","1","1","8","10","1","1") = "9"
    & skf18("3","1","1","8","10","2","1") = "9"
    & skf18("3","1","1","8","10","3","1") = "9"
    & skf18("3","1","1","8","10","4","1") = "9"
    & skf18("3","1","1","8","10","5","1") = "9"
    & skf18("3","1","1","8","10","6","1") = "9"
    & skf18("3","1","1","8","10","7","1") = "9"
    & skf18("3","1","1","8","10","8","1") = "9"
    & skf18("3","1","1","8","10","9","1") = "9"
    & skf18("3","1","1","8","10","10","1") = "9"
    & skf18("3","1","1","9","1","1","1") = "8"
    & skf18("3","1","1","9","1","2","1") = "8"
    & skf18("3","1","1","9","1","3","1") = "8"
    & skf18("3","1","1","9","1","4","1") = "8"
    & skf18("3","1","1","9","1","5","1") = "8"
    & skf18("3","1","1","9","1","6","1") = "8"
    & skf18("3","1","1","9","1","7","1") = "8"
    & skf18("3","1","1","9","1","8","1") = "8"
    & skf18("3","1","1","9","1","9","1") = "8"
    & skf18("3","1","1","9","1","10","1") = "9"
    & skf18("3","1","1","9","2","1","1") = "8"
    & skf18("3","1","1","9","2","2","1") = "8"
    & skf18("3","1","1","9","2","3","1") = "8"
    & skf18("3","1","1","9","2","4","1") = "8"
    & skf18("3","1","1","9","2","5","1") = "8"
    & skf18("3","1","1","9","2","6","1") = "8"
    & skf18("3","1","1","9","2","7","1") = "8"
    & skf18("3","1","1","9","2","8","1") = "8"
    & skf18("3","1","1","9","2","9","1") = "8"
    & skf18("3","1","1","9","2","10","1") = "9"
    & skf18("3","1","1","9","3","1","1") = "8"
    & skf18("3","1","1","9","3","2","1") = "8"
    & skf18("3","1","1","9","3","3","1") = "8"
    & skf18("3","1","1","9","3","4","1") = "8"
    & skf18("3","1","1","9","3","5","1") = "8"
    & skf18("3","1","1","9","3","6","1") = "8"
    & skf18("3","1","1","9","3","7","1") = "8"
    & skf18("3","1","1","9","3","8","1") = "8"
    & skf18("3","1","1","9","3","9","1") = "8"
    & skf18("3","1","1","9","3","10","1") = "9"
    & skf18("3","1","1","9","4","1","1") = "8"
    & skf18("3","1","1","9","4","2","1") = "8"
    & skf18("3","1","1","9","4","3","1") = "8"
    & skf18("3","1","1","9","4","4","1") = "8"
    & skf18("3","1","1","9","4","5","1") = "8"
    & skf18("3","1","1","9","4","6","1") = "8"
    & skf18("3","1","1","9","4","7","1") = "8"
    & skf18("3","1","1","9","4","8","1") = "8"
    & skf18("3","1","1","9","4","9","1") = "8"
    & skf18("3","1","1","9","4","10","1") = "9"
    & skf18("3","1","1","9","5","1","1") = "8"
    & skf18("3","1","1","9","5","2","1") = "8"
    & skf18("3","1","1","9","5","3","1") = "8"
    & skf18("3","1","1","9","5","4","1") = "8"
    & skf18("3","1","1","9","5","5","1") = "8"
    & skf18("3","1","1","9","5","6","1") = "8"
    & skf18("3","1","1","9","5","7","1") = "8"
    & skf18("3","1","1","9","5","8","1") = "8"
    & skf18("3","1","1","9","5","9","1") = "8"
    & skf18("3","1","1","9","5","10","1") = "9"
    & skf18("3","1","1","9","6","1","1") = "8"
    & skf18("3","1","1","9","6","2","1") = "8"
    & skf18("3","1","1","9","6","3","1") = "8"
    & skf18("3","1","1","9","6","4","1") = "8"
    & skf18("3","1","1","9","6","5","1") = "8"
    & skf18("3","1","1","9","6","6","1") = "8"
    & skf18("3","1","1","9","6","7","1") = "8"
    & skf18("3","1","1","9","6","8","1") = "8"
    & skf18("3","1","1","9","6","9","1") = "8"
    & skf18("3","1","1","9","6","10","1") = "9"
    & skf18("3","1","1","9","7","1","1") = "8"
    & skf18("3","1","1","9","7","2","1") = "8"
    & skf18("3","1","1","9","7","3","1") = "8"
    & skf18("3","1","1","9","7","4","1") = "8"
    & skf18("3","1","1","9","7","5","1") = "8"
    & skf18("3","1","1","9","7","6","1") = "8"
    & skf18("3","1","1","9","7","7","1") = "8"
    & skf18("3","1","1","9","7","8","1") = "8"
    & skf18("3","1","1","9","7","9","1") = "8"
    & skf18("3","1","1","9","7","10","1") = "9"
    & skf18("3","1","1","9","8","1","1") = "8"
    & skf18("3","1","1","9","8","2","1") = "8"
    & skf18("3","1","1","9","8","3","1") = "8"
    & skf18("3","1","1","9","8","4","1") = "8"
    & skf18("3","1","1","9","8","5","1") = "8"
    & skf18("3","1","1","9","8","6","1") = "8"
    & skf18("3","1","1","9","8","7","1") = "8"
    & skf18("3","1","1","9","8","8","1") = "8"
    & skf18("3","1","1","9","8","9","1") = "8"
    & skf18("3","1","1","9","8","10","1") = "9"
    & skf18("3","1","1","9","9","1","1") = "8"
    & skf18("3","1","1","9","9","2","1") = "8"
    & skf18("3","1","1","9","9","3","1") = "8"
    & skf18("3","1","1","9","9","4","1") = "8"
    & skf18("3","1","1","9","9","5","1") = "8"
    & skf18("3","1","1","9","9","6","1") = "8"
    & skf18("3","1","1","9","9","7","1") = "8"
    & skf18("3","1","1","9","9","8","1") = "8"
    & skf18("3","1","1","9","9","9","1") = "8"
    & skf18("3","1","1","9","9","10","1") = "9"
    & skf18("3","1","1","9","10","1","1") = "9"
    & skf18("3","1","1","9","10","2","1") = "9"
    & skf18("3","1","1","9","10","3","1") = "9"
    & skf18("3","1","1","9","10","4","1") = "9"
    & skf18("3","1","1","9","10","5","1") = "9"
    & skf18("3","1","1","9","10","6","1") = "9"
    & skf18("3","1","1","9","10","7","1") = "9"
    & skf18("3","1","1","9","10","8","1") = "9"
    & skf18("3","1","1","9","10","9","1") = "9"
    & skf18("3","1","1","9","10","10","1") = "9"
    & skf18("3","1","1","10","1","1","1") = "9"
    & skf18("3","1","1","10","1","2","1") = "9"
    & skf18("3","1","1","10","1","3","1") = "9"
    & skf18("3","1","1","10","1","4","1") = "9"
    & skf18("3","1","1","10","1","5","1") = "9"
    & skf18("3","1","1","10","1","6","1") = "9"
    & skf18("3","1","1","10","1","7","1") = "9"
    & skf18("3","1","1","10","1","8","1") = "9"
    & skf18("3","1","1","10","1","9","1") = "9"
    & skf18("3","1","1","10","1","10","1") = "9"
    & skf18("3","1","1","10","2","1","1") = "9"
    & skf18("3","1","1","10","2","2","1") = "9"
    & skf18("3","1","1","10","2","3","1") = "9"
    & skf18("3","1","1","10","2","4","1") = "9"
    & skf18("3","1","1","10","2","5","1") = "9"
    & skf18("3","1","1","10","2","6","1") = "9"
    & skf18("3","1","1","10","2","7","1") = "9"
    & skf18("3","1","1","10","2","8","1") = "9"
    & skf18("3","1","1","10","2","9","1") = "9"
    & skf18("3","1","1","10","2","10","1") = "9"
    & skf18("3","1","1","10","3","1","1") = "9"
    & skf18("3","1","1","10","3","2","1") = "9"
    & skf18("3","1","1","10","3","3","1") = "9"
    & skf18("3","1","1","10","3","4","1") = "9"
    & skf18("3","1","1","10","3","5","1") = "9"
    & skf18("3","1","1","10","3","6","1") = "9"
    & skf18("3","1","1","10","3","7","1") = "9"
    & skf18("3","1","1","10","3","8","1") = "9"
    & skf18("3","1","1","10","3","9","1") = "9"
    & skf18("3","1","1","10","3","10","1") = "9"
    & skf18("3","1","1","10","4","1","1") = "9"
    & skf18("3","1","1","10","4","2","1") = "9"
    & skf18("3","1","1","10","4","3","1") = "9"
    & skf18("3","1","1","10","4","4","1") = "9"
    & skf18("3","1","1","10","4","5","1") = "9"
    & skf18("3","1","1","10","4","6","1") = "9"
    & skf18("3","1","1","10","4","7","1") = "9"
    & skf18("3","1","1","10","4","8","1") = "9"
    & skf18("3","1","1","10","4","9","1") = "9"
    & skf18("3","1","1","10","4","10","1") = "9"
    & skf18("3","1","1","10","5","1","1") = "9"
    & skf18("3","1","1","10","5","2","1") = "9"
    & skf18("3","1","1","10","5","3","1") = "9"
    & skf18("3","1","1","10","5","4","1") = "9"
    & skf18("3","1","1","10","5","5","1") = "9"
    & skf18("3","1","1","10","5","6","1") = "9"
    & skf18("3","1","1","10","5","7","1") = "9"
    & skf18("3","1","1","10","5","8","1") = "9"
    & skf18("3","1","1","10","5","9","1") = "9"
    & skf18("3","1","1","10","5","10","1") = "9"
    & skf18("3","1","1","10","6","1","1") = "9"
    & skf18("3","1","1","10","6","2","1") = "9"
    & skf18("3","1","1","10","6","3","1") = "9"
    & skf18("3","1","1","10","6","4","1") = "9"
    & skf18("3","1","1","10","6","5","1") = "9"
    & skf18("3","1","1","10","6","6","1") = "9"
    & skf18("3","1","1","10","6","7","1") = "9"
    & skf18("3","1","1","10","6","8","1") = "9"
    & skf18("3","1","1","10","6","9","1") = "9"
    & skf18("3","1","1","10","6","10","1") = "9"
    & skf18("3","1","1","10","7","1","1") = "9"
    & skf18("3","1","1","10","7","2","1") = "9"
    & skf18("3","1","1","10","7","3","1") = "9"
    & skf18("3","1","1","10","7","4","1") = "9"
    & skf18("3","1","1","10","7","5","1") = "9"
    & skf18("3","1","1","10","7","6","1") = "9"
    & skf18("3","1","1","10","7","7","1") = "9"
    & skf18("3","1","1","10","7","8","1") = "9"
    & skf18("3","1","1","10","7","9","1") = "9"
    & skf18("3","1","1","10","7","10","1") = "9"
    & skf18("3","1","1","10","8","1","1") = "9"
    & skf18("3","1","1","10","8","2","1") = "9"
    & skf18("3","1","1","10","8","3","1") = "9"
    & skf18("3","1","1","10","8","4","1") = "9"
    & skf18("3","1","1","10","8","5","1") = "9"
    & skf18("3","1","1","10","8","6","1") = "9"
    & skf18("3","1","1","10","8","7","1") = "9"
    & skf18("3","1","1","10","8","8","1") = "9"
    & skf18("3","1","1","10","8","9","1") = "9"
    & skf18("3","1","1","10","8","10","1") = "9"
    & skf18("3","1","1","10","9","1","1") = "9"
    & skf18("3","1","1","10","9","2","1") = "9"
    & skf18("3","1","1","10","9","3","1") = "9"
    & skf18("3","1","1","10","9","4","1") = "9"
    & skf18("3","1","1","10","9","5","1") = "9"
    & skf18("3","1","1","10","9","6","1") = "9"
    & skf18("3","1","1","10","9","7","1") = "9"
    & skf18("3","1","1","10","9","8","1") = "9"
    & skf18("3","1","1","10","9","9","1") = "9"
    & skf18("3","1","1","10","9","10","1") = "9"
    & skf18("3","1","1","10","10","1","1") = "9"
    & skf18("3","1","1","10","10","2","1") = "9"
    & skf18("3","1","1","10","10","3","1") = "9"
    & skf18("3","1","1","10","10","4","1") = "9"
    & skf18("3","1","1","10","10","5","1") = "9"
    & skf18("3","1","1","10","10","6","1") = "9"
    & skf18("3","1","1","10","10","7","1") = "9"
    & skf18("3","1","1","10","10","8","1") = "9"
    & skf18("3","1","1","10","10","9","1") = "9"
    & skf18("3","1","1","10","10","10","1") = "9"
    & skf18("3","1","2","1","1","1","1") = "2"
    & skf18("3","1","2","1","1","2","1") = "2"
    & skf18("3","1","2","1","1","3","1") = "2"
    & skf18("3","1","2","1","1","4","1") = "3"
    & skf18("3","1","2","1","1","5","1") = "4"
    & skf18("3","1","2","1","1","6","1") = "5"
    & skf18("3","1","2","1","1","7","1") = "6"
    & skf18("3","1","2","1","1","8","1") = "7"
    & skf18("3","1","2","1","1","9","1") = "8"
    & skf18("3","1","2","1","1","10","1") = "9"
    & skf18("3","1","2","1","2","1","1") = "2"
    & skf18("3","1","2","1","2","2","1") = "2"
    & skf18("3","1","2","1","2","3","1") = "2"
    & skf18("3","1","2","1","2","4","1") = "3"
    & skf18("3","1","2","1","2","5","1") = "4"
    & skf18("3","1","2","1","2","6","1") = "5"
    & skf18("3","1","2","1","2","7","1") = "6"
    & skf18("3","1","2","1","2","8","1") = "7"
    & skf18("3","1","2","1","2","9","1") = "8"
    & skf18("3","1","2","1","2","10","1") = "9"
    & skf18("3","1","2","1","3","1","1") = "2"
    & skf18("3","1","2","1","3","2","1") = "2"
    & skf18("3","1","2","1","3","3","1") = "2"
    & skf18("3","1","2","1","3","4","1") = "3"
    & skf18("3","1","2","1","3","5","1") = "4"
    & skf18("3","1","2","1","3","6","1") = "5"
    & skf18("3","1","2","1","3","7","1") = "6"
    & skf18("3","1","2","1","3","8","1") = "7"
    & skf18("3","1","2","1","3","9","1") = "8"
    & skf18("3","1","2","1","3","10","1") = "9"
    & skf18("3","1","2","1","4","1","1") = "3"
    & skf18("3","1","2","1","4","2","1") = "2"
    & skf18("3","1","2","1","4","3","1") = "3"
    & skf18("3","1","2","1","4","4","1") = "3"
    & skf18("3","1","2","1","4","5","1") = "4"
    & skf18("3","1","2","1","4","6","1") = "5"
    & skf18("3","1","2","1","4","7","1") = "6"
    & skf18("3","1","2","1","4","8","1") = "7"
    & skf18("3","1","2","1","4","9","1") = "8"
    & skf18("3","1","2","1","4","10","1") = "9"
    & skf18("3","1","2","1","5","1","1") = "4"
    & skf18("3","1","2","1","5","2","1") = "4"
    & skf18("3","1","2","1","5","3","1") = "4"
    & skf18("3","1","2","1","5","4","1") = "4"
    & skf18("3","1","2","1","5","5","1") = "4"
    & skf18("3","1","2","1","5","6","1") = "5"
    & skf18("3","1","2","1","5","7","1") = "6"
    & skf18("3","1","2","1","5","8","1") = "7"
    & skf18("3","1","2","1","5","9","1") = "8"
    & skf18("3","1","2","1","5","10","1") = "9"
    & skf18("3","1","2","1","6","1","1") = "5"
    & skf18("3","1","2","1","6","2","1") = "5"
    & skf18("3","1","2","1","6","3","1") = "5"
    & skf18("3","1","2","1","6","4","1") = "5"
    & skf18("3","1","2","1","6","5","1") = "5"
    & skf18("3","1","2","1","6","6","1") = "5"
    & skf18("3","1","2","1","6","7","1") = "6"
    & skf18("3","1","2","1","6","8","1") = "7"
    & skf18("3","1","2","1","6","9","1") = "8"
    & skf18("3","1","2","1","6","10","1") = "9"
    & skf18("3","1","2","1","7","1","1") = "6"
    & skf18("3","1","2","1","7","2","1") = "6"
    & skf18("3","1","2","1","7","3","1") = "6"
    & skf18("3","1","2","1","7","4","1") = "6"
    & skf18("3","1","2","1","7","5","1") = "6"
    & skf18("3","1","2","1","7","6","1") = "6"
    & skf18("3","1","2","1","7","7","1") = "6"
    & skf18("3","1","2","1","7","8","1") = "7"
    & skf18("3","1","2","1","7","9","1") = "8"
    & skf18("3","1","2","1","7","10","1") = "9"
    & skf18("3","1","2","1","8","1","1") = "7"
    & skf18("3","1","2","1","8","2","1") = "7"
    & skf18("3","1","2","1","8","3","1") = "7"
    & skf18("3","1","2","1","8","4","1") = "7"
    & skf18("3","1","2","1","8","5","1") = "7"
    & skf18("3","1","2","1","8","6","1") = "7"
    & skf18("3","1","2","1","8","7","1") = "7"
    & skf18("3","1","2","1","8","8","1") = "7"
    & skf18("3","1","2","1","8","9","1") = "8"
    & skf18("3","1","2","1","8","10","1") = "9"
    & skf18("3","1","2","1","9","1","1") = "8"
    & skf18("3","1","2","1","9","2","1") = "8"
    & skf18("3","1","2","1","9","3","1") = "8"
    & skf18("3","1","2","1","9","4","1") = "8"
    & skf18("3","1","2","1","9","5","1") = "8"
    & skf18("3","1","2","1","9","6","1") = "8"
    & skf18("3","1","2","1","9","7","1") = "8"
    & skf18("3","1","2","1","9","8","1") = "8"
    & skf18("3","1","2","1","9","9","1") = "8"
    & skf18("3","1","2","1","9","10","1") = "9"
    & skf18("3","1","2","1","10","1","1") = "9"
    & skf18("3","1","2","1","10","2","1") = "9"
    & skf18("3","1","2","1","10","3","1") = "9"
    & skf18("3","1","2","1","10","4","1") = "9"
    & skf18("3","1","2","1","10","5","1") = "9"
    & skf18("3","1","2","1","10","6","1") = "9"
    & skf18("3","1","2","1","10","7","1") = "9"
    & skf18("3","1","2","1","10","8","1") = "9"
    & skf18("3","1","2","1","10","9","1") = "9"
    & skf18("3","1","2","1","10","10","1") = "9"
    & skf18("3","1","2","2","1","1","1") = "2"
    & skf18("3","1","2","2","1","2","1") = "2"
    & skf18("3","1","2","2","1","3","1") = "2"
    & skf18("3","1","2","2","1","4","1") = "3"
    & skf18("3","1","2","2","1","5","1") = "4"
    & skf18("3","1","2","2","1","6","1") = "5"
    & skf18("3","1","2","2","1","7","1") = "6"
    & skf18("3","1","2","2","1","8","1") = "7"
    & skf18("3","1","2","2","1","9","1") = "8"
    & skf18("3","1","2","2","1","10","1") = "9"
    & skf18("3","1","2","2","2","1","1") = "2"
    & skf18("3","1","2","2","2","2","1") = "2"
    & skf18("3","1","2","2","2","3","1") = "2"
    & skf18("3","1","2","2","2","4","1") = "3"
    & skf18("3","1","2","2","2","5","1") = "4"
    & skf18("3","1","2","2","2","6","1") = "5"
    & skf18("3","1","2","2","2","7","1") = "6"
    & skf18("3","1","2","2","2","8","1") = "7"
    & skf18("3","1","2","2","2","9","1") = "8"
    & skf18("3","1","2","2","2","10","1") = "9"
    & skf18("3","1","2","2","3","1","1") = "2"
    & skf18("3","1","2","2","3","2","1") = "2"
    & skf18("3","1","2","2","3","3","1") = "2"
    & skf18("3","1","2","2","3","4","1") = "3"
    & skf18("3","1","2","2","3","5","1") = "4"
    & skf18("3","1","2","2","3","6","1") = "5"
    & skf18("3","1","2","2","3","7","1") = "6"
    & skf18("3","1","2","2","3","8","1") = "7"
    & skf18("3","1","2","2","3","9","1") = "8"
    & skf18("3","1","2","2","3","10","1") = "9"
    & skf18("3","1","2","2","4","1","1") = "3"
    & skf18("3","1","2","2","4","2","1") = "3"
    & skf18("3","1","2","2","4","3","1") = "3"
    & skf18("3","1","2","2","4","4","1") = "3"
    & skf18("3","1","2","2","4","5","1") = "4"
    & skf18("3","1","2","2","4","6","1") = "5"
    & skf18("3","1","2","2","4","7","1") = "6"
    & skf18("3","1","2","2","4","8","1") = "7"
    & skf18("3","1","2","2","4","9","1") = "8"
    & skf18("3","1","2","2","4","10","1") = "9"
    & skf18("3","1","2","2","5","1","1") = "4"
    & skf18("3","1","2","2","5","2","1") = "4"
    & skf18("3","1","2","2","5","3","1") = "4"
    & skf18("3","1","2","2","5","4","1") = "4"
    & skf18("3","1","2","2","5","5","1") = "4"
    & skf18("3","1","2","2","5","6","1") = "5"
    & skf18("3","1","2","2","5","7","1") = "6"
    & skf18("3","1","2","2","5","8","1") = "7"
    & skf18("3","1","2","2","5","9","1") = "8"
    & skf18("3","1","2","2","5","10","1") = "9"
    & skf18("3","1","2","2","6","1","1") = "5"
    & skf18("3","1","2","2","6","2","1") = "5"
    & skf18("3","1","2","2","6","3","1") = "5"
    & skf18("3","1","2","2","6","4","1") = "5"
    & skf18("3","1","2","2","6","5","1") = "5"
    & skf18("3","1","2","2","6","6","1") = "5"
    & skf18("3","1","2","2","6","7","1") = "6"
    & skf18("3","1","2","2","6","8","1") = "7"
    & skf18("3","1","2","2","6","9","1") = "8"
    & skf18("3","1","2","2","6","10","1") = "9"
    & skf18("3","1","2","2","7","1","1") = "6"
    & skf18("3","1","2","2","7","2","1") = "6"
    & skf18("3","1","2","2","7","3","1") = "6"
    & skf18("3","1","2","2","7","4","1") = "6"
    & skf18("3","1","2","2","7","5","1") = "6"
    & skf18("3","1","2","2","7","6","1") = "6"
    & skf18("3","1","2","2","7","7","1") = "6"
    & skf18("3","1","2","2","7","8","1") = "7"
    & skf18("3","1","2","2","7","9","1") = "8"
    & skf18("3","1","2","2","7","10","1") = "9"
    & skf18("3","1","2","2","8","1","1") = "7"
    & skf18("3","1","2","2","8","2","1") = "7"
    & skf18("3","1","2","2","8","3","1") = "7"
    & skf18("3","1","2","2","8","4","1") = "7"
    & skf18("3","1","2","2","8","5","1") = "7"
    & skf18("3","1","2","2","8","6","1") = "7"
    & skf18("3","1","2","2","8","7","1") = "7"
    & skf18("3","1","2","2","8","8","1") = "7"
    & skf18("3","1","2","2","8","9","1") = "8"
    & skf18("3","1","2","2","8","10","1") = "9"
    & skf18("3","1","2","2","9","1","1") = "8"
    & skf18("3","1","2","2","9","2","1") = "8"
    & skf18("3","1","2","2","9","3","1") = "8"
    & skf18("3","1","2","2","9","4","1") = "8"
    & skf18("3","1","2","2","9","5","1") = "8"
    & skf18("3","1","2","2","9","6","1") = "8"
    & skf18("3","1","2","2","9","7","1") = "8"
    & skf18("3","1","2","2","9","8","1") = "8"
    & skf18("3","1","2","2","9","9","1") = "8"
    & skf18("3","1","2","2","9","10","1") = "9"
    & skf18("3","1","2","2","10","1","1") = "9"
    & skf18("3","1","2","2","10","2","1") = "9"
    & skf18("3","1","2","2","10","3","1") = "9"
    & skf18("3","1","2","2","10","4","1") = "9"
    & skf18("3","1","2","2","10","5","1") = "9"
    & skf18("3","1","2","2","10","6","1") = "9"
    & skf18("3","1","2","2","10","7","1") = "9"
    & skf18("3","1","2","2","10","8","1") = "9"
    & skf18("3","1","2","2","10","9","1") = "9"
    & skf18("3","1","2","2","10","10","1") = "9"
    & skf18("3","1","2","3","1","1","1") = "1"
    & skf18("3","1","2","3","1","2","1") = "2"
    & skf18("3","1","2","3","1","3","1") = "2"
    & skf18("3","1","2","3","1","4","1") = "3"
    & skf18("3","1","2","3","1","5","1") = "4"
    & skf18("3","1","2","3","1","6","1") = "5"
    & skf18("3","1","2","3","1","7","1") = "6"
    & skf18("3","1","2","3","1","8","1") = "7"
    & skf18("3","1","2","3","1","9","1") = "8"
    & skf18("3","1","2","3","1","10","1") = "9"
    & skf18("3","1","2","3","2","1","1") = "2"
    & skf18("3","1","2","3","2","2","1") = "2"
    & skf18("3","1","2","3","2","3","1") = "2"
    & skf18("3","1","2","3","2","4","1") = "3"
    & skf18("3","1","2","3","2","5","1") = "4"
    & skf18("3","1","2","3","2","6","1") = "5"
    & skf18("3","1","2","3","2","7","1") = "6"
    & skf18("3","1","2","3","2","8","1") = "7"
    & skf18("3","1","2","3","2","9","1") = "8"
    & skf18("3","1","2","3","2","10","1") = "9"
    & skf18("3","1","2","3","3","1","1") = "2"
    & skf18("3","1","2","3","3","2","1") = "2"
    & skf18("3","1","2","3","3","3","1") = "2"
    & skf18("3","1","2","3","3","4","1") = "3"
    & skf18("3","1","2","3","3","5","1") = "4"
    & skf18("3","1","2","3","3","6","1") = "5"
    & skf18("3","1","2","3","3","7","1") = "6"
    & skf18("3","1","2","3","3","8","1") = "7"
    & skf18("3","1","2","3","3","9","1") = "8"
    & skf18("3","1","2","3","3","10","1") = "9"
    & skf18("3","1","2","3","4","1","1") = "3"
    & skf18("3","1","2","3","4","2","1") = "3"
    & skf18("3","1","2","3","4","3","1") = "3"
    & skf18("3","1","2","3","4","4","1") = "3"
    & skf18("3","1","2","3","4","5","1") = "4"
    & skf18("3","1","2","3","4","6","1") = "5"
    & skf18("3","1","2","3","4","7","1") = "6"
    & skf18("3","1","2","3","4","8","1") = "7"
    & skf18("3","1","2","3","4","9","1") = "8"
    & skf18("3","1","2","3","4","10","1") = "9"
    & skf18("3","1","2","3","5","1","1") = "4"
    & skf18("3","1","2","3","5","2","1") = "4"
    & skf18("3","1","2","3","5","3","1") = "4"
    & skf18("3","1","2","3","5","4","1") = "4"
    & skf18("3","1","2","3","5","5","1") = "4"
    & skf18("3","1","2","3","5","6","1") = "5"
    & skf18("3","1","2","3","5","7","1") = "6"
    & skf18("3","1","2","3","5","8","1") = "7"
    & skf18("3","1","2","3","5","9","1") = "8"
    & skf18("3","1","2","3","5","10","1") = "9"
    & skf18("3","1","2","3","6","1","1") = "5"
    & skf18("3","1","2","3","6","2","1") = "5"
    & skf18("3","1","2","3","6","3","1") = "5"
    & skf18("3","1","2","3","6","4","1") = "5"
    & skf18("3","1","2","3","6","5","1") = "5"
    & skf18("3","1","2","3","6","6","1") = "5"
    & skf18("3","1","2","3","6","7","1") = "6"
    & skf18("3","1","2","3","6","8","1") = "7"
    & skf18("3","1","2","3","6","9","1") = "8"
    & skf18("3","1","2","3","6","10","1") = "9"
    & skf18("3","1","2","3","7","1","1") = "6"
    & skf18("3","1","2","3","7","2","1") = "6"
    & skf18("3","1","2","3","7","3","1") = "6"
    & skf18("3","1","2","3","7","4","1") = "6"
    & skf18("3","1","2","3","7","5","1") = "6"
    & skf18("3","1","2","3","7","6","1") = "6"
    & skf18("3","1","2","3","7","7","1") = "6"
    & skf18("3","1","2","3","7","8","1") = "7"
    & skf18("3","1","2","3","7","9","1") = "8"
    & skf18("3","1","2","3","7","10","1") = "9"
    & skf18("3","1","2","3","8","1","1") = "7"
    & skf18("3","1","2","3","8","2","1") = "7"
    & skf18("3","1","2","3","8","3","1") = "7"
    & skf18("3","1","2","3","8","4","1") = "7"
    & skf18("3","1","2","3","8","5","1") = "7"
    & skf18("3","1","2","3","8","6","1") = "7"
    & skf18("3","1","2","3","8","7","1") = "7"
    & skf18("3","1","2","3","8","8","1") = "7"
    & skf18("3","1","2","3","8","9","1") = "8"
    & skf18("3","1","2","3","8","10","1") = "9"
    & skf18("3","1","2","3","9","1","1") = "8"
    & skf18("3","1","2","3","9","2","1") = "8"
    & skf18("3","1","2","3","9","3","1") = "8"
    & skf18("3","1","2","3","9","4","1") = "8"
    & skf18("3","1","2","3","9","5","1") = "8"
    & skf18("3","1","2","3","9","6","1") = "8"
    & skf18("3","1","2","3","9","7","1") = "8"
    & skf18("3","1","2","3","9","8","1") = "8"
    & skf18("3","1","2","3","9","9","1") = "8"
    & skf18("3","1","2","3","9","10","1") = "9"
    & skf18("3","1","2","3","10","1","1") = "9"
    & skf18("3","1","2","3","10","2","1") = "9"
    & skf18("3","1","2","3","10","3","1") = "9"
    & skf18("3","1","2","3","10","4","1") = "9"
    & skf18("3","1","2","3","10","5","1") = "9"
    & skf18("3","1","2","3","10","6","1") = "9"
    & skf18("3","1","2","3","10","7","1") = "9"
    & skf18("3","1","2","3","10","8","1") = "9"
    & skf18("3","1","2","3","10","9","1") = "9"
    & skf18("3","1","2","3","10","10","1") = "9"
    & skf18("3","1","2","4","1","1","1") = "3"
    & skf18("3","1","2","4","1","2","1") = "3"
    & skf18("3","1","2","4","1","3","1") = "3"
    & skf18("3","1","2","4","1","4","1") = "3"
    & skf18("3","1","2","4","1","5","1") = "4"
    & skf18("3","1","2","4","1","6","1") = "5"
    & skf18("3","1","2","4","1","7","1") = "6"
    & skf18("3","1","2","4","1","8","1") = "7"
    & skf18("3","1","2","4","1","9","1") = "8"
    & skf18("3","1","2","4","1","10","1") = "9"
    & skf18("3","1","2","4","2","1","1") = "3"
    & skf18("3","1","2","4","2","2","1") = "3"
    & skf18("3","1","2","4","2","3","1") = "3"
    & skf18("3","1","2","4","2","4","1") = "3"
    & skf18("3","1","2","4","2","5","1") = "4"
    & skf18("3","1","2","4","2","6","1") = "5"
    & skf18("3","1","2","4","2","7","1") = "6"
    & skf18("3","1","2","4","2","8","1") = "7"
    & skf18("3","1","2","4","2","9","1") = "8"
    & skf18("3","1","2","4","2","10","1") = "9"
    & skf18("3","1","2","4","3","1","1") = "3"
    & skf18("3","1","2","4","3","2","1") = "3"
    & skf18("3","1","2","4","3","3","1") = "3"
    & skf18("3","1","2","4","3","4","1") = "3"
    & skf18("3","1","2","4","3","5","1") = "4"
    & skf18("3","1","2","4","3","6","1") = "5"
    & skf18("3","1","2","4","3","7","1") = "6"
    & skf18("3","1","2","4","3","8","1") = "7"
    & skf18("3","1","2","4","3","9","1") = "8"
    & skf18("3","1","2","4","3","10","1") = "9"
    & skf18("3","1","2","4","4","1","1") = "3"
    & skf18("3","1","2","4","4","2","1") = "3"
    & skf18("3","1","2","4","4","3","1") = "3"
    & skf18("3","1","2","4","4","4","1") = "3"
    & skf18("3","1","2","4","4","5","1") = "4"
    & skf18("3","1","2","4","4","6","1") = "5"
    & skf18("3","1","2","4","4","7","1") = "6"
    & skf18("3","1","2","4","4","8","1") = "7"
    & skf18("3","1","2","4","4","9","1") = "8"
    & skf18("3","1","2","4","4","10","1") = "9"
    & skf18("3","1","2","4","5","1","1") = "4"
    & skf18("3","1","2","4","5","2","1") = "4"
    & skf18("3","1","2","4","5","3","1") = "4"
    & skf18("3","1","2","4","5","4","1") = "4"
    & skf18("3","1","2","4","5","5","1") = "4"
    & skf18("3","1","2","4","5","6","1") = "5"
    & skf18("3","1","2","4","5","7","1") = "6"
    & skf18("3","1","2","4","5","8","1") = "7"
    & skf18("3","1","2","4","5","9","1") = "8"
    & skf18("3","1","2","4","5","10","1") = "9"
    & skf18("3","1","2","4","6","1","1") = "5"
    & skf18("3","1","2","4","6","2","1") = "5"
    & skf18("3","1","2","4","6","3","1") = "5"
    & skf18("3","1","2","4","6","4","1") = "5"
    & skf18("3","1","2","4","6","5","1") = "5"
    & skf18("3","1","2","4","6","6","1") = "5"
    & skf18("3","1","2","4","6","7","1") = "6"
    & skf18("3","1","2","4","6","8","1") = "7"
    & skf18("3","1","2","4","6","9","1") = "8"
    & skf18("3","1","2","4","6","10","1") = "9"
    & skf18("3","1","2","4","7","1","1") = "6"
    & skf18("3","1","2","4","7","2","1") = "6"
    & skf18("3","1","2","4","7","3","1") = "6"
    & skf18("3","1","2","4","7","4","1") = "6"
    & skf18("3","1","2","4","7","5","1") = "6"
    & skf18("3","1","2","4","7","6","1") = "6"
    & skf18("3","1","2","4","7","7","1") = "6"
    & skf18("3","1","2","4","7","8","1") = "7"
    & skf18("3","1","2","4","7","9","1") = "8"
    & skf18("3","1","2","4","7","10","1") = "9"
    & skf18("3","1","2","4","8","1","1") = "7"
    & skf18("3","1","2","4","8","2","1") = "7"
    & skf18("3","1","2","4","8","3","1") = "7"
    & skf18("3","1","2","4","8","4","1") = "7"
    & skf18("3","1","2","4","8","5","1") = "7"
    & skf18("3","1","2","4","8","6","1") = "7"
    & skf18("3","1","2","4","8","7","1") = "7"
    & skf18("3","1","2","4","8","8","1") = "7"
    & skf18("3","1","2","4","8","9","1") = "8"
    & skf18("3","1","2","4","8","10","1") = "9"
    & skf18("3","1","2","4","9","1","1") = "8"
    & skf18("3","1","2","4","9","2","1") = "8"
    & skf18("3","1","2","4","9","3","1") = "8"
    & skf18("3","1","2","4","9","4","1") = "8"
    & skf18("3","1","2","4","9","5","1") = "8"
    & skf18("3","1","2","4","9","6","1") = "8"
    & skf18("3","1","2","4","9","7","1") = "8"
    & skf18("3","1","2","4","9","8","1") = "8"
    & skf18("3","1","2","4","9","9","1") = "8"
    & skf18("3","1","2","4","9","10","1") = "9"
    & skf18("3","1","2","4","10","1","1") = "9"
    & skf18("3","1","2","4","10","2","1") = "9"
    & skf18("3","1","2","4","10","3","1") = "9"
    & skf18("3","1","2","4","10","4","1") = "9"
    & skf18("3","1","2","4","10","5","1") = "9"
    & skf18("3","1","2","4","10","6","1") = "9"
    & skf18("3","1","2","4","10","7","1") = "9"
    & skf18("3","1","2","4","10","8","1") = "9"
    & skf18("3","1","2","4","10","9","1") = "9"
    & skf18("3","1","2","4","10","10","1") = "9"
    & skf18("3","1","2","5","1","1","1") = "4"
    & skf18("3","1","2","5","1","2","1") = "4"
    & skf18("3","1","2","5","1","3","1") = "4"
    & skf18("3","1","2","5","1","4","1") = "4"
    & skf18("3","1","2","5","1","5","1") = "4"
    & skf18("3","1","2","5","1","6","1") = "5"
    & skf18("3","1","2","5","1","7","1") = "6"
    & skf18("3","1","2","5","1","8","1") = "7"
    & skf18("3","1","2","5","1","9","1") = "8"
    & skf18("3","1","2","5","1","10","1") = "9"
    & skf18("3","1","2","5","2","1","1") = "4"
    & skf18("3","1","2","5","2","2","1") = "4"
    & skf18("3","1","2","5","2","3","1") = "4"
    & skf18("3","1","2","5","2","4","1") = "4"
    & skf18("3","1","2","5","2","5","1") = "4"
    & skf18("3","1","2","5","2","6","1") = "5"
    & skf18("3","1","2","5","2","7","1") = "6"
    & skf18("3","1","2","5","2","8","1") = "7"
    & skf18("3","1","2","5","2","9","1") = "8"
    & skf18("3","1","2","5","2","10","1") = "9"
    & skf18("3","1","2","5","3","1","1") = "4"
    & skf18("3","1","2","5","3","2","1") = "4"
    & skf18("3","1","2","5","3","3","1") = "4"
    & skf18("3","1","2","5","3","4","1") = "4"
    & skf18("3","1","2","5","3","5","1") = "4"
    & skf18("3","1","2","5","3","6","1") = "5"
    & skf18("3","1","2","5","3","7","1") = "6"
    & skf18("3","1","2","5","3","8","1") = "7"
    & skf18("3","1","2","5","3","9","1") = "8"
    & skf18("3","1","2","5","3","10","1") = "9"
    & skf18("3","1","2","5","4","1","1") = "4"
    & skf18("3","1","2","5","4","2","1") = "4"
    & skf18("3","1","2","5","4","3","1") = "4"
    & skf18("3","1","2","5","4","4","1") = "4"
    & skf18("3","1","2","5","4","5","1") = "4"
    & skf18("3","1","2","5","4","6","1") = "5"
    & skf18("3","1","2","5","4","7","1") = "6"
    & skf18("3","1","2","5","4","8","1") = "7"
    & skf18("3","1","2","5","4","9","1") = "8"
    & skf18("3","1","2","5","4","10","1") = "9"
    & skf18("3","1","2","5","5","1","1") = "4"
    & skf18("3","1","2","5","5","2","1") = "4"
    & skf18("3","1","2","5","5","3","1") = "4"
    & skf18("3","1","2","5","5","4","1") = "4"
    & skf18("3","1","2","5","5","5","1") = "4"
    & skf18("3","1","2","5","5","6","1") = "5"
    & skf18("3","1","2","5","5","7","1") = "6"
    & skf18("3","1","2","5","5","8","1") = "7"
    & skf18("3","1","2","5","5","9","1") = "8"
    & skf18("3","1","2","5","5","10","1") = "9"
    & skf18("3","1","2","5","6","1","1") = "5"
    & skf18("3","1","2","5","6","2","1") = "5"
    & skf18("3","1","2","5","6","3","1") = "5"
    & skf18("3","1","2","5","6","4","1") = "5"
    & skf18("3","1","2","5","6","5","1") = "5"
    & skf18("3","1","2","5","6","6","1") = "5"
    & skf18("3","1","2","5","6","7","1") = "6"
    & skf18("3","1","2","5","6","8","1") = "7"
    & skf18("3","1","2","5","6","9","1") = "8"
    & skf18("3","1","2","5","6","10","1") = "9"
    & skf18("3","1","2","5","7","1","1") = "6"
    & skf18("3","1","2","5","7","2","1") = "6"
    & skf18("3","1","2","5","7","3","1") = "6"
    & skf18("3","1","2","5","7","4","1") = "6"
    & skf18("3","1","2","5","7","5","1") = "6"
    & skf18("3","1","2","5","7","6","1") = "6"
    & skf18("3","1","2","5","7","7","1") = "6"
    & skf18("3","1","2","5","7","8","1") = "7"
    & skf18("3","1","2","5","7","9","1") = "8"
    & skf18("3","1","2","5","7","10","1") = "9"
    & skf18("3","1","2","5","8","1","1") = "7"
    & skf18("3","1","2","5","8","2","1") = "7"
    & skf18("3","1","2","5","8","3","1") = "7"
    & skf18("3","1","2","5","8","4","1") = "7"
    & skf18("3","1","2","5","8","5","1") = "7"
    & skf18("3","1","2","5","8","6","1") = "7"
    & skf18("3","1","2","5","8","7","1") = "7"
    & skf18("3","1","2","5","8","8","1") = "7"
    & skf18("3","1","2","5","8","9","1") = "8"
    & skf18("3","1","2","5","8","10","1") = "9"
    & skf18("3","1","2","5","9","1","1") = "8"
    & skf18("3","1","2","5","9","2","1") = "8"
    & skf18("3","1","2","5","9","3","1") = "8"
    & skf18("3","1","2","5","9","4","1") = "8"
    & skf18("3","1","2","5","9","5","1") = "8"
    & skf18("3","1","2","5","9","6","1") = "8"
    & skf18("3","1","2","5","9","7","1") = "8"
    & skf18("3","1","2","5","9","8","1") = "8"
    & skf18("3","1","2","5","9","9","1") = "8"
    & skf18("3","1","2","5","9","10","1") = "9"
    & skf18("3","1","2","5","10","1","1") = "9"
    & skf18("3","1","2","5","10","2","1") = "9"
    & skf18("3","1","2","5","10","3","1") = "9"
    & skf18("3","1","2","5","10","4","1") = "9"
    & skf18("3","1","2","5","10","5","1") = "9"
    & skf18("3","1","2","5","10","6","1") = "9"
    & skf18("3","1","2","5","10","7","1") = "9"
    & skf18("3","1","2","5","10","8","1") = "9"
    & skf18("3","1","2","5","10","9","1") = "9"
    & skf18("3","1","2","5","10","10","1") = "9"
    & skf18("3","1","2","6","1","1","1") = "5"
    & skf18("3","1","2","6","1","2","1") = "5"
    & skf18("3","1","2","6","1","3","1") = "5"
    & skf18("3","1","2","6","1","4","1") = "5"
    & skf18("3","1","2","6","1","5","1") = "5"
    & skf18("3","1","2","6","1","6","1") = "5"
    & skf18("3","1","2","6","1","7","1") = "6"
    & skf18("3","1","2","6","1","8","1") = "7"
    & skf18("3","1","2","6","1","9","1") = "8"
    & skf18("3","1","2","6","1","10","1") = "9"
    & skf18("3","1","2","6","2","1","1") = "5"
    & skf18("3","1","2","6","2","2","1") = "5"
    & skf18("3","1","2","6","2","3","1") = "5"
    & skf18("3","1","2","6","2","4","1") = "5"
    & skf18("3","1","2","6","2","5","1") = "5"
    & skf18("3","1","2","6","2","6","1") = "5"
    & skf18("3","1","2","6","2","7","1") = "6"
    & skf18("3","1","2","6","2","8","1") = "7"
    & skf18("3","1","2","6","2","9","1") = "8"
    & skf18("3","1","2","6","2","10","1") = "9"
    & skf18("3","1","2","6","3","1","1") = "5"
    & skf18("3","1","2","6","3","2","1") = "5"
    & skf18("3","1","2","6","3","3","1") = "5"
    & skf18("3","1","2","6","3","4","1") = "5"
    & skf18("3","1","2","6","3","5","1") = "5"
    & skf18("3","1","2","6","3","6","1") = "5"
    & skf18("3","1","2","6","3","7","1") = "6"
    & skf18("3","1","2","6","3","8","1") = "7"
    & skf18("3","1","2","6","3","9","1") = "8"
    & skf18("3","1","2","6","3","10","1") = "9"
    & skf18("3","1","2","6","4","1","1") = "5"
    & skf18("3","1","2","6","4","2","1") = "5"
    & skf18("3","1","2","6","4","3","1") = "5"
    & skf18("3","1","2","6","4","4","1") = "5"
    & skf18("3","1","2","6","4","5","1") = "5"
    & skf18("3","1","2","6","4","6","1") = "5"
    & skf18("3","1","2","6","4","7","1") = "6"
    & skf18("3","1","2","6","4","8","1") = "7"
    & skf18("3","1","2","6","4","9","1") = "8"
    & skf18("3","1","2","6","4","10","1") = "9"
    & skf18("3","1","2","6","5","1","1") = "5"
    & skf18("3","1","2","6","5","2","1") = "5"
    & skf18("3","1","2","6","5","3","1") = "5"
    & skf18("3","1","2","6","5","4","1") = "5"
    & skf18("3","1","2","6","5","5","1") = "5"
    & skf18("3","1","2","6","5","6","1") = "5"
    & skf18("3","1","2","6","5","7","1") = "6"
    & skf18("3","1","2","6","5","8","1") = "7"
    & skf18("3","1","2","6","5","9","1") = "8"
    & skf18("3","1","2","6","5","10","1") = "9"
    & skf18("3","1","2","6","6","1","1") = "5"
    & skf18("3","1","2","6","6","2","1") = "5"
    & skf18("3","1","2","6","6","3","1") = "5"
    & skf18("3","1","2","6","6","4","1") = "5"
    & skf18("3","1","2","6","6","5","1") = "5"
    & skf18("3","1","2","6","6","6","1") = "5"
    & skf18("3","1","2","6","6","7","1") = "6"
    & skf18("3","1","2","6","6","8","1") = "7"
    & skf18("3","1","2","6","6","9","1") = "8"
    & skf18("3","1","2","6","6","10","1") = "9"
    & skf18("3","1","2","6","7","1","1") = "6"
    & skf18("3","1","2","6","7","2","1") = "6"
    & skf18("3","1","2","6","7","3","1") = "6"
    & skf18("3","1","2","6","7","4","1") = "6"
    & skf18("3","1","2","6","7","5","1") = "6"
    & skf18("3","1","2","6","7","6","1") = "6"
    & skf18("3","1","2","6","7","7","1") = "6"
    & skf18("3","1","2","6","7","8","1") = "7"
    & skf18("3","1","2","6","7","9","1") = "8"
    & skf18("3","1","2","6","7","10","1") = "9"
    & skf18("3","1","2","6","8","1","1") = "7"
    & skf18("3","1","2","6","8","2","1") = "7"
    & skf18("3","1","2","6","8","3","1") = "7"
    & skf18("3","1","2","6","8","4","1") = "7"
    & skf18("3","1","2","6","8","5","1") = "7"
    & skf18("3","1","2","6","8","6","1") = "7"
    & skf18("3","1","2","6","8","7","1") = "7"
    & skf18("3","1","2","6","8","8","1") = "7"
    & skf18("3","1","2","6","8","9","1") = "8"
    & skf18("3","1","2","6","8","10","1") = "9"
    & skf18("3","1","2","6","9","1","1") = "8"
    & skf18("3","1","2","6","9","2","1") = "8"
    & skf18("3","1","2","6","9","3","1") = "8"
    & skf18("3","1","2","6","9","4","1") = "8"
    & skf18("3","1","2","6","9","5","1") = "8"
    & skf18("3","1","2","6","9","6","1") = "8"
    & skf18("3","1","2","6","9","7","1") = "8"
    & skf18("3","1","2","6","9","8","1") = "8"
    & skf18("3","1","2","6","9","9","1") = "8"
    & skf18("3","1","2","6","9","10","1") = "9"
    & skf18("3","1","2","6","10","1","1") = "9"
    & skf18("3","1","2","6","10","2","1") = "9"
    & skf18("3","1","2","6","10","3","1") = "9"
    & skf18("3","1","2","6","10","4","1") = "9"
    & skf18("3","1","2","6","10","5","1") = "9"
    & skf18("3","1","2","6","10","6","1") = "9"
    & skf18("3","1","2","6","10","7","1") = "9"
    & skf18("3","1","2","6","10","8","1") = "9"
    & skf18("3","1","2","6","10","9","1") = "9"
    & skf18("3","1","2","6","10","10","1") = "9"
    & skf18("3","1","2","7","1","1","1") = "6"
    & skf18("3","1","2","7","1","2","1") = "6"
    & skf18("3","1","2","7","1","3","1") = "6"
    & skf18("3","1","2","7","1","4","1") = "6"
    & skf18("3","1","2","7","1","5","1") = "6"
    & skf18("3","1","2","7","1","6","1") = "6"
    & skf18("3","1","2","7","1","7","1") = "6"
    & skf18("3","1","2","7","1","8","1") = "7"
    & skf18("3","1","2","7","1","9","1") = "8"
    & skf18("3","1","2","7","1","10","1") = "9"
    & skf18("3","1","2","7","2","1","1") = "6"
    & skf18("3","1","2","7","2","2","1") = "6"
    & skf18("3","1","2","7","2","3","1") = "6"
    & skf18("3","1","2","7","2","4","1") = "6"
    & skf18("3","1","2","7","2","5","1") = "6"
    & skf18("3","1","2","7","2","6","1") = "6"
    & skf18("3","1","2","7","2","7","1") = "6"
    & skf18("3","1","2","7","2","8","1") = "7"
    & skf18("3","1","2","7","2","9","1") = "8"
    & skf18("3","1","2","7","2","10","1") = "9"
    & skf18("3","1","2","7","3","1","1") = "6"
    & skf18("3","1","2","7","3","2","1") = "6"
    & skf18("3","1","2","7","3","3","1") = "6"
    & skf18("3","1","2","7","3","4","1") = "6"
    & skf18("3","1","2","7","3","5","1") = "6"
    & skf18("3","1","2","7","3","6","1") = "6"
    & skf18("3","1","2","7","3","7","1") = "6"
    & skf18("3","1","2","7","3","8","1") = "7"
    & skf18("3","1","2","7","3","9","1") = "8"
    & skf18("3","1","2","7","3","10","1") = "9"
    & skf18("3","1","2","7","4","1","1") = "6"
    & skf18("3","1","2","7","4","2","1") = "6"
    & skf18("3","1","2","7","4","3","1") = "6"
    & skf18("3","1","2","7","4","4","1") = "6"
    & skf18("3","1","2","7","4","5","1") = "6"
    & skf18("3","1","2","7","4","6","1") = "6"
    & skf18("3","1","2","7","4","7","1") = "6"
    & skf18("3","1","2","7","4","8","1") = "7"
    & skf18("3","1","2","7","4","9","1") = "8"
    & skf18("3","1","2","7","4","10","1") = "9"
    & skf18("3","1","2","7","5","1","1") = "6"
    & skf18("3","1","2","7","5","2","1") = "6"
    & skf18("3","1","2","7","5","3","1") = "6"
    & skf18("3","1","2","7","5","4","1") = "6"
    & skf18("3","1","2","7","5","5","1") = "6"
    & skf18("3","1","2","7","5","6","1") = "6"
    & skf18("3","1","2","7","5","7","1") = "6"
    & skf18("3","1","2","7","5","8","1") = "7"
    & skf18("3","1","2","7","5","9","1") = "8"
    & skf18("3","1","2","7","5","10","1") = "9"
    & skf18("3","1","2","7","6","1","1") = "6"
    & skf18("3","1","2","7","6","2","1") = "6"
    & skf18("3","1","2","7","6","3","1") = "6"
    & skf18("3","1","2","7","6","4","1") = "6"
    & skf18("3","1","2","7","6","5","1") = "6"
    & skf18("3","1","2","7","6","6","1") = "6"
    & skf18("3","1","2","7","6","7","1") = "6"
    & skf18("3","1","2","7","6","8","1") = "7"
    & skf18("3","1","2","7","6","9","1") = "8"
    & skf18("3","1","2","7","6","10","1") = "9"
    & skf18("3","1","2","7","7","1","1") = "6"
    & skf18("3","1","2","7","7","2","1") = "6"
    & skf18("3","1","2","7","7","3","1") = "6"
    & skf18("3","1","2","7","7","4","1") = "6"
    & skf18("3","1","2","7","7","5","1") = "6"
    & skf18("3","1","2","7","7","6","1") = "6"
    & skf18("3","1","2","7","7","7","1") = "6"
    & skf18("3","1","2","7","7","8","1") = "7"
    & skf18("3","1","2","7","7","9","1") = "8"
    & skf18("3","1","2","7","7","10","1") = "9"
    & skf18("3","1","2","7","8","1","1") = "7"
    & skf18("3","1","2","7","8","2","1") = "7"
    & skf18("3","1","2","7","8","3","1") = "7"
    & skf18("3","1","2","7","8","4","1") = "7"
    & skf18("3","1","2","7","8","5","1") = "7"
    & skf18("3","1","2","7","8","6","1") = "7"
    & skf18("3","1","2","7","8","7","1") = "7"
    & skf18("3","1","2","7","8","8","1") = "7"
    & skf18("3","1","2","7","8","9","1") = "8"
    & skf18("3","1","2","7","8","10","1") = "9"
    & skf18("3","1","2","7","9","1","1") = "8"
    & skf18("3","1","2","7","9","2","1") = "8"
    & skf18("3","1","2","7","9","3","1") = "8"
    & skf18("3","1","2","7","9","4","1") = "8"
    & skf18("3","1","2","7","9","5","1") = "8"
    & skf18("3","1","2","7","9","6","1") = "8"
    & skf18("3","1","2","7","9","7","1") = "8"
    & skf18("3","1","2","7","9","8","1") = "8"
    & skf18("3","1","2","7","9","9","1") = "8"
    & skf18("3","1","2","7","9","10","1") = "9"
    & skf18("3","1","2","7","10","1","1") = "9"
    & skf18("3","1","2","7","10","2","1") = "9"
    & skf18("3","1","2","7","10","3","1") = "9"
    & skf18("3","1","2","7","10","4","1") = "9"
    & skf18("3","1","2","7","10","5","1") = "9"
    & skf18("3","1","2","7","10","6","1") = "9"
    & skf18("3","1","2","7","10","7","1") = "9"
    & skf18("3","1","2","7","10","8","1") = "9"
    & skf18("3","1","2","7","10","9","1") = "9"
    & skf18("3","1","2","7","10","10","1") = "9"
    & skf18("3","1","2","8","1","1","1") = "7"
    & skf18("3","1","2","8","1","2","1") = "7"
    & skf18("3","1","2","8","1","3","1") = "7"
    & skf18("3","1","2","8","1","4","1") = "7"
    & skf18("3","1","2","8","1","5","1") = "7"
    & skf18("3","1","2","8","1","6","1") = "7"
    & skf18("3","1","2","8","1","7","1") = "7"
    & skf18("3","1","2","8","1","8","1") = "7"
    & skf18("3","1","2","8","1","9","1") = "8"
    & skf18("3","1","2","8","1","10","1") = "9"
    & skf18("3","1","2","8","2","1","1") = "7"
    & skf18("3","1","2","8","2","2","1") = "7"
    & skf18("3","1","2","8","2","3","1") = "7"
    & skf18("3","1","2","8","2","4","1") = "7"
    & skf18("3","1","2","8","2","5","1") = "7"
    & skf18("3","1","2","8","2","6","1") = "7"
    & skf18("3","1","2","8","2","7","1") = "7"
    & skf18("3","1","2","8","2","8","1") = "7"
    & skf18("3","1","2","8","2","9","1") = "8"
    & skf18("3","1","2","8","2","10","1") = "9"
    & skf18("3","1","2","8","3","1","1") = "7"
    & skf18("3","1","2","8","3","2","1") = "7"
    & skf18("3","1","2","8","3","3","1") = "7"
    & skf18("3","1","2","8","3","4","1") = "7"
    & skf18("3","1","2","8","3","5","1") = "7"
    & skf18("3","1","2","8","3","6","1") = "7"
    & skf18("3","1","2","8","3","7","1") = "7"
    & skf18("3","1","2","8","3","8","1") = "7"
    & skf18("3","1","2","8","3","9","1") = "8"
    & skf18("3","1","2","8","3","10","1") = "9"
    & skf18("3","1","2","8","4","1","1") = "7"
    & skf18("3","1","2","8","4","2","1") = "7"
    & skf18("3","1","2","8","4","3","1") = "7"
    & skf18("3","1","2","8","4","4","1") = "7"
    & skf18("3","1","2","8","4","5","1") = "7"
    & skf18("3","1","2","8","4","6","1") = "7"
    & skf18("3","1","2","8","4","7","1") = "7"
    & skf18("3","1","2","8","4","8","1") = "7"
    & skf18("3","1","2","8","4","9","1") = "8"
    & skf18("3","1","2","8","4","10","1") = "9"
    & skf18("3","1","2","8","5","1","1") = "7"
    & skf18("3","1","2","8","5","2","1") = "7"
    & skf18("3","1","2","8","5","3","1") = "7"
    & skf18("3","1","2","8","5","4","1") = "7"
    & skf18("3","1","2","8","5","5","1") = "7"
    & skf18("3","1","2","8","5","6","1") = "7"
    & skf18("3","1","2","8","5","7","1") = "7"
    & skf18("3","1","2","8","5","8","1") = "7"
    & skf18("3","1","2","8","5","9","1") = "8"
    & skf18("3","1","2","8","5","10","1") = "9"
    & skf18("3","1","2","8","6","1","1") = "7"
    & skf18("3","1","2","8","6","2","1") = "7"
    & skf18("3","1","2","8","6","3","1") = "7"
    & skf18("3","1","2","8","6","4","1") = "7"
    & skf18("3","1","2","8","6","5","1") = "7"
    & skf18("3","1","2","8","6","6","1") = "7"
    & skf18("3","1","2","8","6","7","1") = "7"
    & skf18("3","1","2","8","6","8","1") = "7"
    & skf18("3","1","2","8","6","9","1") = "8"
    & skf18("3","1","2","8","6","10","1") = "9"
    & skf18("3","1","2","8","7","1","1") = "7"
    & skf18("3","1","2","8","7","2","1") = "7"
    & skf18("3","1","2","8","7","3","1") = "7"
    & skf18("3","1","2","8","7","4","1") = "7"
    & skf18("3","1","2","8","7","5","1") = "7"
    & skf18("3","1","2","8","7","6","1") = "7"
    & skf18("3","1","2","8","7","7","1") = "7"
    & skf18("3","1","2","8","7","8","1") = "7"
    & skf18("3","1","2","8","7","9","1") = "8"
    & skf18("3","1","2","8","7","10","1") = "9"
    & skf18("3","1","2","8","8","1","1") = "7"
    & skf18("3","1","2","8","8","2","1") = "7"
    & skf18("3","1","2","8","8","3","1") = "7"
    & skf18("3","1","2","8","8","4","1") = "7"
    & skf18("3","1","2","8","8","5","1") = "7"
    & skf18("3","1","2","8","8","6","1") = "7"
    & skf18("3","1","2","8","8","7","1") = "7"
    & skf18("3","1","2","8","8","8","1") = "7"
    & skf18("3","1","2","8","8","9","1") = "8"
    & skf18("3","1","2","8","8","10","1") = "9"
    & skf18("3","1","2","8","9","1","1") = "8"
    & skf18("3","1","2","8","9","2","1") = "8"
    & skf18("3","1","2","8","9","3","1") = "8"
    & skf18("3","1","2","8","9","4","1") = "8"
    & skf18("3","1","2","8","9","5","1") = "8"
    & skf18("3","1","2","8","9","6","1") = "8"
    & skf18("3","1","2","8","9","7","1") = "8"
    & skf18("3","1","2","8","9","8","1") = "8"
    & skf18("3","1","2","8","9","9","1") = "8"
    & skf18("3","1","2","8","9","10","1") = "9"
    & skf18("3","1","2","8","10","1","1") = "9"
    & skf18("3","1","2","8","10","2","1") = "9"
    & skf18("3","1","2","8","10","3","1") = "9"
    & skf18("3","1","2","8","10","4","1") = "9"
    & skf18("3","1","2","8","10","5","1") = "9"
    & skf18("3","1","2","8","10","6","1") = "9"
    & skf18("3","1","2","8","10","7","1") = "9"
    & skf18("3","1","2","8","10","8","1") = "9"
    & skf18("3","1","2","8","10","9","1") = "9"
    & skf18("3","1","2","8","10","10","1") = "9"
    & skf18("3","1","2","9","1","1","1") = "8"
    & skf18("3","1","2","9","1","2","1") = "8"
    & skf18("3","1","2","9","1","3","1") = "8"
    & skf18("3","1","2","9","1","4","1") = "8"
    & skf18("3","1","2","9","1","5","1") = "8"
    & skf18("3","1","2","9","1","6","1") = "8"
    & skf18("3","1","2","9","1","7","1") = "8"
    & skf18("3","1","2","9","1","8","1") = "8"
    & skf18("3","1","2","9","1","9","1") = "8"
    & skf18("3","1","2","9","1","10","1") = "9"
    & skf18("3","1","2","9","2","1","1") = "8"
    & skf18("3","1","2","9","2","2","1") = "8"
    & skf18("3","1","2","9","2","3","1") = "8"
    & skf18("3","1","2","9","2","4","1") = "8"
    & skf18("3","1","2","9","2","5","1") = "8"
    & skf18("3","1","2","9","2","6","1") = "8"
    & skf18("3","1","2","9","2","7","1") = "8"
    & skf18("3","1","2","9","2","8","1") = "8"
    & skf18("3","1","2","9","2","9","1") = "8"
    & skf18("3","1","2","9","2","10","1") = "9"
    & skf18("3","1","2","9","3","1","1") = "8"
    & skf18("3","1","2","9","3","2","1") = "8"
    & skf18("3","1","2","9","3","3","1") = "8"
    & skf18("3","1","2","9","3","4","1") = "8"
    & skf18("3","1","2","9","3","5","1") = "8"
    & skf18("3","1","2","9","3","6","1") = "8"
    & skf18("3","1","2","9","3","7","1") = "8"
    & skf18("3","1","2","9","3","8","1") = "8"
    & skf18("3","1","2","9","3","9","1") = "8"
    & skf18("3","1","2","9","3","10","1") = "9"
    & skf18("3","1","2","9","4","1","1") = "8"
    & skf18("3","1","2","9","4","2","1") = "8"
    & skf18("3","1","2","9","4","3","1") = "8"
    & skf18("3","1","2","9","4","4","1") = "8"
    & skf18("3","1","2","9","4","5","1") = "8"
    & skf18("3","1","2","9","4","6","1") = "8"
    & skf18("3","1","2","9","4","7","1") = "8"
    & skf18("3","1","2","9","4","8","1") = "8"
    & skf18("3","1","2","9","4","9","1") = "8"
    & skf18("3","1","2","9","4","10","1") = "9"
    & skf18("3","1","2","9","5","1","1") = "8"
    & skf18("3","1","2","9","5","2","1") = "8"
    & skf18("3","1","2","9","5","3","1") = "8"
    & skf18("3","1","2","9","5","4","1") = "8"
    & skf18("3","1","2","9","5","5","1") = "8"
    & skf18("3","1","2","9","5","6","1") = "8"
    & skf18("3","1","2","9","5","7","1") = "8"
    & skf18("3","1","2","9","5","8","1") = "8"
    & skf18("3","1","2","9","5","9","1") = "8"
    & skf18("3","1","2","9","5","10","1") = "9"
    & skf18("3","1","2","9","6","1","1") = "8"
    & skf18("3","1","2","9","6","2","1") = "8"
    & skf18("3","1","2","9","6","3","1") = "8"
    & skf18("3","1","2","9","6","4","1") = "8"
    & skf18("3","1","2","9","6","5","1") = "8"
    & skf18("3","1","2","9","6","6","1") = "8"
    & skf18("3","1","2","9","6","7","1") = "8"
    & skf18("3","1","2","9","6","8","1") = "8"
    & skf18("3","1","2","9","6","9","1") = "8"
    & skf18("3","1","2","9","6","10","1") = "9"
    & skf18("3","1","2","9","7","1","1") = "8"
    & skf18("3","1","2","9","7","2","1") = "8"
    & skf18("3","1","2","9","7","3","1") = "8"
    & skf18("3","1","2","9","7","4","1") = "8"
    & skf18("3","1","2","9","7","5","1") = "8"
    & skf18("3","1","2","9","7","6","1") = "8"
    & skf18("3","1","2","9","7","7","1") = "8"
    & skf18("3","1","2","9","7","8","1") = "8"
    & skf18("3","1","2","9","7","9","1") = "8"
    & skf18("3","1","2","9","7","10","1") = "9"
    & skf18("3","1","2","9","8","1","1") = "8"
    & skf18("3","1","2","9","8","2","1") = "8"
    & skf18("3","1","2","9","8","3","1") = "8"
    & skf18("3","1","2","9","8","4","1") = "8"
    & skf18("3","1","2","9","8","5","1") = "8"
    & skf18("3","1","2","9","8","6","1") = "8"
    & skf18("3","1","2","9","8","7","1") = "8"
    & skf18("3","1","2","9","8","8","1") = "8"
    & skf18("3","1","2","9","8","9","1") = "8"
    & skf18("3","1","2","9","8","10","1") = "9"
    & skf18("3","1","2","9","9","1","1") = "8"
    & skf18("3","1","2","9","9","2","1") = "8"
    & skf18("3","1","2","9","9","3","1") = "8"
    & skf18("3","1","2","9","9","4","1") = "8"
    & skf18("3","1","2","9","9","5","1") = "8"
    & skf18("3","1","2","9","9","6","1") = "8"
    & skf18("3","1","2","9","9","7","1") = "8"
    & skf18("3","1","2","9","9","8","1") = "8"
    & skf18("3","1","2","9","9","9","1") = "8"
    & skf18("3","1","2","9","9","10","1") = "9"
    & skf18("3","1","2","9","10","1","1") = "9"
    & skf18("3","1","2","9","10","2","1") = "9"
    & skf18("3","1","2","9","10","3","1") = "9"
    & skf18("3","1","2","9","10","4","1") = "9"
    & skf18("3","1","2","9","10","5","1") = "9"
    & skf18("3","1","2","9","10","6","1") = "9"
    & skf18("3","1","2","9","10","7","1") = "9"
    & skf18("3","1","2","9","10","8","1") = "9"
    & skf18("3","1","2","9","10","9","1") = "9"
    & skf18("3","1","2","9","10","10","1") = "9"
    & skf18("3","1","2","10","1","1","1") = "9"
    & skf18("3","1","2","10","1","2","1") = "9"
    & skf18("3","1","2","10","1","3","1") = "9"
    & skf18("3","1","2","10","1","4","1") = "9"
    & skf18("3","1","2","10","1","5","1") = "9"
    & skf18("3","1","2","10","1","6","1") = "9"
    & skf18("3","1","2","10","1","7","1") = "9"
    & skf18("3","1","2","10","1","8","1") = "9"
    & skf18("3","1","2","10","1","9","1") = "9"
    & skf18("3","1","2","10","1","10","1") = "9"
    & skf18("3","1","2","10","2","1","1") = "9"
    & skf18("3","1","2","10","2","2","1") = "9"
    & skf18("3","1","2","10","2","3","1") = "9"
    & skf18("3","1","2","10","2","4","1") = "9"
    & skf18("3","1","2","10","2","5","1") = "9"
    & skf18("3","1","2","10","2","6","1") = "9"
    & skf18("3","1","2","10","2","7","1") = "9"
    & skf18("3","1","2","10","2","8","1") = "9"
    & skf18("3","1","2","10","2","9","1") = "9"
    & skf18("3","1","2","10","2","10","1") = "9"
    & skf18("3","1","2","10","3","1","1") = "9"
    & skf18("3","1","2","10","3","2","1") = "9"
    & skf18("3","1","2","10","3","3","1") = "9"
    & skf18("3","1","2","10","3","4","1") = "9"
    & skf18("3","1","2","10","3","5","1") = "9"
    & skf18("3","1","2","10","3","6","1") = "9"
    & skf18("3","1","2","10","3","7","1") = "9"
    & skf18("3","1","2","10","3","8","1") = "9"
    & skf18("3","1","2","10","3","9","1") = "9"
    & skf18("3","1","2","10","3","10","1") = "9"
    & skf18("3","1","2","10","4","1","1") = "9"
    & skf18("3","1","2","10","4","2","1") = "9"
    & skf18("3","1","2","10","4","3","1") = "9"
    & skf18("3","1","2","10","4","4","1") = "9"
    & skf18("3","1","2","10","4","5","1") = "9"
    & skf18("3","1","2","10","4","6","1") = "9"
    & skf18("3","1","2","10","4","7","1") = "9"
    & skf18("3","1","2","10","4","8","1") = "9"
    & skf18("3","1","2","10","4","9","1") = "9"
    & skf18("3","1","2","10","4","10","1") = "9"
    & skf18("3","1","2","10","5","1","1") = "9"
    & skf18("3","1","2","10","5","2","1") = "9"
    & skf18("3","1","2","10","5","3","1") = "9"
    & skf18("3","1","2","10","5","4","1") = "9"
    & skf18("3","1","2","10","5","5","1") = "9"
    & skf18("3","1","2","10","5","6","1") = "9"
    & skf18("3","1","2","10","5","7","1") = "9"
    & skf18("3","1","2","10","5","8","1") = "9"
    & skf18("3","1","2","10","5","9","1") = "9"
    & skf18("3","1","2","10","5","10","1") = "9"
    & skf18("3","1","2","10","6","1","1") = "9"
    & skf18("3","1","2","10","6","2","1") = "9"
    & skf18("3","1","2","10","6","3","1") = "9"
    & skf18("3","1","2","10","6","4","1") = "9"
    & skf18("3","1","2","10","6","5","1") = "9"
    & skf18("3","1","2","10","6","6","1") = "9"
    & skf18("3","1","2","10","6","7","1") = "9"
    & skf18("3","1","2","10","6","8","1") = "9"
    & skf18("3","1","2","10","6","9","1") = "9"
    & skf18("3","1","2","10","6","10","1") = "9"
    & skf18("3","1","2","10","7","1","1") = "9"
    & skf18("3","1","2","10","7","2","1") = "9"
    & skf18("3","1","2","10","7","3","1") = "9"
    & skf18("3","1","2","10","7","4","1") = "9"
    & skf18("3","1","2","10","7","5","1") = "9"
    & skf18("3","1","2","10","7","6","1") = "9"
    & skf18("3","1","2","10","7","7","1") = "9"
    & skf18("3","1","2","10","7","8","1") = "9"
    & skf18("3","1","2","10","7","9","1") = "9"
    & skf18("3","1","2","10","7","10","1") = "9"
    & skf18("3","1","2","10","8","1","1") = "9"
    & skf18("3","1","2","10","8","2","1") = "9"
    & skf18("3","1","2","10","8","3","1") = "9"
    & skf18("3","1","2","10","8","4","1") = "9"
    & skf18("3","1","2","10","8","5","1") = "9"
    & skf18("3","1","2","10","8","6","1") = "9"
    & skf18("3","1","2","10","8","7","1") = "9"
    & skf18("3","1","2","10","8","8","1") = "9"
    & skf18("3","1","2","10","8","9","1") = "9"
    & skf18("3","1","2","10","8","10","1") = "9"
    & skf18("3","1","2","10","9","1","1") = "9"
    & skf18("3","1","2","10","9","2","1") = "9"
    & skf18("3","1","2","10","9","3","1") = "9"
    & skf18("3","1","2","10","9","4","1") = "9"
    & skf18("3","1","2","10","9","5","1") = "9"
    & skf18("3","1","2","10","9","6","1") = "9"
    & skf18("3","1","2","10","9","7","1") = "9"
    & skf18("3","1","2","10","9","8","1") = "9"
    & skf18("3","1","2","10","9","9","1") = "9"
    & skf18("3","1","2","10","9","10","1") = "9"
    & skf18("3","1","2","10","10","1","1") = "9"
    & skf18("3","1","2","10","10","2","1") = "9"
    & skf18("3","1","2","10","10","3","1") = "9"
    & skf18("3","1","2","10","10","4","1") = "9"
    & skf18("3","1","2","10","10","5","1") = "9"
    & skf18("3","1","2","10","10","6","1") = "9"
    & skf18("3","1","2","10","10","7","1") = "9"
    & skf18("3","1","2","10","10","8","1") = "9"
    & skf18("3","1","2","10","10","9","1") = "9"
    & skf18("3","1","2","10","10","10","1") = "9"
    & skf18("3","1","3","1","1","1","1") = "2"
    & skf18("3","1","3","1","1","2","1") = "2"
    & skf18("3","1","3","1","1","3","1") = "2"
    & skf18("3","1","3","1","1","4","1") = "3"
    & skf18("3","1","3","1","1","5","1") = "4"
    & skf18("3","1","3","1","1","6","1") = "5"
    & skf18("3","1","3","1","1","7","1") = "6"
    & skf18("3","1","3","1","1","8","1") = "7"
    & skf18("3","1","3","1","1","9","1") = "8"
    & skf18("3","1","3","1","1","10","1") = "9"
    & skf18("3","1","3","1","2","1","1") = "2"
    & skf18("3","1","3","1","2","2","1") = "2"
    & skf18("3","1","3","1","2","3","1") = "2"
    & skf18("3","1","3","1","2","4","1") = "3"
    & skf18("3","1","3","1","2","5","1") = "4"
    & skf18("3","1","3","1","2","6","1") = "5"
    & skf18("3","1","3","1","2","7","1") = "6"
    & skf18("3","1","3","1","2","8","1") = "7"
    & skf18("3","1","3","1","2","9","1") = "8"
    & skf18("3","1","3","1","2","10","1") = "9"
    & skf18("3","1","3","1","3","1","1") = "2"
    & skf18("3","1","3","1","3","2","1") = "2"
    & skf18("3","1","3","1","3","3","1") = "2"
    & skf18("3","1","3","1","3","4","1") = "3"
    & skf18("3","1","3","1","3","5","1") = "4"
    & skf18("3","1","3","1","3","6","1") = "5"
    & skf18("3","1","3","1","3","7","1") = "6"
    & skf18("3","1","3","1","3","8","1") = "7"
    & skf18("3","1","3","1","3","9","1") = "8"
    & skf18("3","1","3","1","3","10","1") = "9"
    & skf18("3","1","3","1","4","1","1") = "3"
    & skf18("3","1","3","1","4","2","1") = "3"
    & skf18("3","1","3","1","4","3","1") = "3"
    & skf18("3","1","3","1","4","4","1") = "3"
    & skf18("3","1","3","1","4","5","1") = "4"
    & skf18("3","1","3","1","4","6","1") = "5"
    & skf18("3","1","3","1","4","7","1") = "6"
    & skf18("3","1","3","1","4","8","1") = "7"
    & skf18("3","1","3","1","4","9","1") = "8"
    & skf18("3","1","3","1","4","10","1") = "9"
    & skf18("3","1","3","1","5","1","1") = "4"
    & skf18("3","1","3","1","5","2","1") = "4"
    & skf18("3","1","3","1","5","3","1") = "4"
    & skf18("3","1","3","1","5","4","1") = "4"
    & skf18("3","1","3","1","5","5","1") = "4"
    & skf18("3","1","3","1","5","6","1") = "5"
    & skf18("3","1","3","1","5","7","1") = "6"
    & skf18("3","1","3","1","5","8","1") = "7"
    & skf18("3","1","3","1","5","9","1") = "8"
    & skf18("3","1","3","1","5","10","1") = "9"
    & skf18("3","1","3","1","6","1","1") = "5"
    & skf18("3","1","3","1","6","2","1") = "5"
    & skf18("3","1","3","1","6","3","1") = "5"
    & skf18("3","1","3","1","6","4","1") = "5"
    & skf18("3","1","3","1","6","5","1") = "5"
    & skf18("3","1","3","1","6","6","1") = "5"
    & skf18("3","1","3","1","6","7","1") = "6"
    & skf18("3","1","3","1","6","8","1") = "7"
    & skf18("3","1","3","1","6","9","1") = "8"
    & skf18("3","1","3","1","6","10","1") = "9"
    & skf18("3","1","3","1","7","1","1") = "6"
    & skf18("3","1","3","1","7","2","1") = "6"
    & skf18("3","1","3","1","7","3","1") = "6"
    & skf18("3","1","3","1","7","4","1") = "6"
    & skf18("3","1","3","1","7","5","1") = "6"
    & skf18("3","1","3","1","7","6","1") = "6"
    & skf18("3","1","3","1","7","7","1") = "6"
    & skf18("3","1","3","1","7","8","1") = "7"
    & skf18("3","1","3","1","7","9","1") = "8"
    & skf18("3","1","3","1","7","10","1") = "9"
    & skf18("3","1","3","1","8","1","1") = "7"
    & skf18("3","1","3","1","8","2","1") = "7"
    & skf18("3","1","3","1","8","3","1") = "7"
    & skf18("3","1","3","1","8","4","1") = "7"
    & skf18("3","1","3","1","8","5","1") = "7"
    & skf18("3","1","3","1","8","6","1") = "7"
    & skf18("3","1","3","1","8","7","1") = "7"
    & skf18("3","1","3","1","8","8","1") = "7"
    & skf18("3","1","3","1","8","9","1") = "8"
    & skf18("3","1","3","1","8","10","1") = "9"
    & skf18("3","1","3","1","9","1","1") = "8"
    & skf18("3","1","3","1","9","2","1") = "8"
    & skf18("3","1","3","1","9","3","1") = "8"
    & skf18("3","1","3","1","9","4","1") = "8"
    & skf18("3","1","3","1","9","5","1") = "8"
    & skf18("3","1","3","1","9","6","1") = "8"
    & skf18("3","1","3","1","9","7","1") = "8"
    & skf18("3","1","3","1","9","8","1") = "8"
    & skf18("3","1","3","1","9","9","1") = "8"
    & skf18("3","1","3","1","9","10","1") = "9"
    & skf18("3","1","3","1","10","1","1") = "9"
    & skf18("3","1","3","1","10","2","1") = "9"
    & skf18("3","1","3","1","10","3","1") = "9"
    & skf18("3","1","3","1","10","4","1") = "9"
    & skf18("3","1","3","1","10","5","1") = "9"
    & skf18("3","1","3","1","10","6","1") = "9"
    & skf18("3","1","3","1","10","7","1") = "9"
    & skf18("3","1","3","1","10","8","1") = "9"
    & skf18("3","1","3","1","10","9","1") = "9"
    & skf18("3","1","3","1","10","10","1") = "9"
    & skf18("3","1","3","2","1","1","1") = "2"
    & skf18("3","1","3","2","1","2","1") = "2"
    & skf18("3","1","3","2","1","3","1") = "2"
    & skf18("3","1","3","2","1","4","1") = "3"
    & skf18("3","1","3","2","1","5","1") = "4"
    & skf18("3","1","3","2","1","6","1") = "5"
    & skf18("3","1","3","2","1","7","1") = "6"
    & skf18("3","1","3","2","1","8","1") = "7"
    & skf18("3","1","3","2","1","9","1") = "8"
    & skf18("3","1","3","2","1","10","1") = "9"
    & skf18("3","1","3","2","2","1","1") = "2"
    & skf18("3","1","3","2","2","2","1") = "2"
    & skf18("3","1","3","2","2","3","1") = "2"
    & skf18("3","1","3","2","2","4","1") = "3"
    & skf18("3","1","3","2","2","5","1") = "4"
    & skf18("3","1","3","2","2","6","1") = "5"
    & skf18("3","1","3","2","2","7","1") = "6"
    & skf18("3","1","3","2","2","8","1") = "7"
    & skf18("3","1","3","2","2","9","1") = "8"
    & skf18("3","1","3","2","2","10","1") = "9"
    & skf18("3","1","3","2","3","1","1") = "2"
    & skf18("3","1","3","2","3","2","1") = "2"
    & skf18("3","1","3","2","3","3","1") = "2"
    & skf18("3","1","3","2","3","4","1") = "3"
    & skf18("3","1","3","2","3","5","1") = "4"
    & skf18("3","1","3","2","3","6","1") = "5"
    & skf18("3","1","3","2","3","7","1") = "6"
    & skf18("3","1","3","2","3","8","1") = "7"
    & skf18("3","1","3","2","3","9","1") = "8"
    & skf18("3","1","3","2","3","10","1") = "9"
    & skf18("3","1","3","2","4","1","1") = "3"
    & skf18("3","1","3","2","4","2","1") = "3"
    & skf18("3","1","3","2","4","3","1") = "3"
    & skf18("3","1","3","2","4","4","1") = "3"
    & skf18("3","1","3","2","4","5","1") = "4"
    & skf18("3","1","3","2","4","6","1") = "5"
    & skf18("3","1","3","2","4","7","1") = "6"
    & skf18("3","1","3","2","4","8","1") = "7"
    & skf18("3","1","3","2","4","9","1") = "8"
    & skf18("3","1","3","2","4","10","1") = "9"
    & skf18("3","1","3","2","5","1","1") = "4"
    & skf18("3","1","3","2","5","2","1") = "4"
    & skf18("3","1","3","2","5","3","1") = "4"
    & skf18("3","1","3","2","5","4","1") = "4"
    & skf18("3","1","3","2","5","5","1") = "4"
    & skf18("3","1","3","2","5","6","1") = "5"
    & skf18("3","1","3","2","5","7","1") = "6"
    & skf18("3","1","3","2","5","8","1") = "7"
    & skf18("3","1","3","2","5","9","1") = "8"
    & skf18("3","1","3","2","5","10","1") = "9"
    & skf18("3","1","3","2","6","1","1") = "5"
    & skf18("3","1","3","2","6","2","1") = "5"
    & skf18("3","1","3","2","6","3","1") = "5"
    & skf18("3","1","3","2","6","4","1") = "5"
    & skf18("3","1","3","2","6","5","1") = "5"
    & skf18("3","1","3","2","6","6","1") = "5"
    & skf18("3","1","3","2","6","7","1") = "6"
    & skf18("3","1","3","2","6","8","1") = "7"
    & skf18("3","1","3","2","6","9","1") = "8"
    & skf18("3","1","3","2","6","10","1") = "9"
    & skf18("3","1","3","2","7","1","1") = "6"
    & skf18("3","1","3","2","7","2","1") = "6"
    & skf18("3","1","3","2","7","3","1") = "6"
    & skf18("3","1","3","2","7","4","1") = "6"
    & skf18("3","1","3","2","7","5","1") = "6"
    & skf18("3","1","3","2","7","6","1") = "6"
    & skf18("3","1","3","2","7","7","1") = "6"
    & skf18("3","1","3","2","7","8","1") = "7"
    & skf18("3","1","3","2","7","9","1") = "8"
    & skf18("3","1","3","2","7","10","1") = "9"
    & skf18("3","1","3","2","8","1","1") = "7"
    & skf18("3","1","3","2","8","2","1") = "7"
    & skf18("3","1","3","2","8","3","1") = "7"
    & skf18("3","1","3","2","8","4","1") = "7"
    & skf18("3","1","3","2","8","5","1") = "7"
    & skf18("3","1","3","2","8","6","1") = "7"
    & skf18("3","1","3","2","8","7","1") = "7"
    & skf18("3","1","3","2","8","8","1") = "7"
    & skf18("3","1","3","2","8","9","1") = "8"
    & skf18("3","1","3","2","8","10","1") = "9"
    & skf18("3","1","3","2","9","1","1") = "8"
    & skf18("3","1","3","2","9","2","1") = "8"
    & skf18("3","1","3","2","9","3","1") = "8"
    & skf18("3","1","3","2","9","4","1") = "8"
    & skf18("3","1","3","2","9","5","1") = "8"
    & skf18("3","1","3","2","9","6","1") = "8"
    & skf18("3","1","3","2","9","7","1") = "8"
    & skf18("3","1","3","2","9","8","1") = "8"
    & skf18("3","1","3","2","9","9","1") = "8"
    & skf18("3","1","3","2","9","10","1") = "9"
    & skf18("3","1","3","2","10","1","1") = "9"
    & skf18("3","1","3","2","10","2","1") = "9"
    & skf18("3","1","3","2","10","3","1") = "9"
    & skf18("3","1","3","2","10","4","1") = "9"
    & skf18("3","1","3","2","10","5","1") = "9"
    & skf18("3","1","3","2","10","6","1") = "9"
    & skf18("3","1","3","2","10","7","1") = "9"
    & skf18("3","1","3","2","10","8","1") = "9"
    & skf18("3","1","3","2","10","9","1") = "9"
    & skf18("3","1","3","2","10","10","1") = "9"
    & skf18("3","1","3","3","1","1","1") = "2"
    & skf18("3","1","3","3","1","2","1") = "2"
    & skf18("3","1","3","3","1","3","1") = "2"
    & skf18("3","1","3","3","1","4","1") = "3"
    & skf18("3","1","3","3","1","5","1") = "4"
    & skf18("3","1","3","3","1","6","1") = "5"
    & skf18("3","1","3","3","1","7","1") = "6"
    & skf18("3","1","3","3","1","8","1") = "7"
    & skf18("3","1","3","3","1","9","1") = "8"
    & skf18("3","1","3","3","1","10","1") = "9"
    & skf18("3","1","3","3","2","1","1") = "2"
    & skf18("3","1","3","3","2","2","1") = "2"
    & skf18("3","1","3","3","2","3","1") = "2"
    & skf18("3","1","3","3","2","4","1") = "3"
    & skf18("3","1","3","3","2","5","1") = "4"
    & skf18("3","1","3","3","2","6","1") = "5"
    & skf18("3","1","3","3","2","7","1") = "6"
    & skf18("3","1","3","3","2","8","1") = "7"
    & skf18("3","1","3","3","2","9","1") = "8"
    & skf18("3","1","3","3","2","10","1") = "9"
    & skf18("3","1","3","3","3","1","1") = "2"
    & skf18("3","1","3","3","3","2","1") = "2"
    & skf18("3","1","3","3","3","3","1") = "2"
    & skf18("3","1","3","3","3","4","1") = "3"
    & skf18("3","1","3","3","3","5","1") = "4"
    & skf18("3","1","3","3","3","6","1") = "5"
    & skf18("3","1","3","3","3","7","1") = "6"
    & skf18("3","1","3","3","3","8","1") = "7"
    & skf18("3","1","3","3","3","9","1") = "8"
    & skf18("3","1","3","3","3","10","1") = "9"
    & skf18("3","1","3","3","4","1","1") = "3"
    & skf18("3","1","3","3","4","2","1") = "3"
    & skf18("3","1","3","3","4","3","1") = "3"
    & skf18("3","1","3","3","4","4","1") = "3"
    & skf18("3","1","3","3","4","5","1") = "4"
    & skf18("3","1","3","3","4","6","1") = "5"
    & skf18("3","1","3","3","4","7","1") = "6"
    & skf18("3","1","3","3","4","8","1") = "7"
    & skf18("3","1","3","3","4","9","1") = "8"
    & skf18("3","1","3","3","4","10","1") = "9"
    & skf18("3","1","3","3","5","1","1") = "4"
    & skf18("3","1","3","3","5","2","1") = "4"
    & skf18("3","1","3","3","5","3","1") = "4"
    & skf18("3","1","3","3","5","4","1") = "4"
    & skf18("3","1","3","3","5","5","1") = "4"
    & skf18("3","1","3","3","5","6","1") = "5"
    & skf18("3","1","3","3","5","7","1") = "6"
    & skf18("3","1","3","3","5","8","1") = "7"
    & skf18("3","1","3","3","5","9","1") = "8"
    & skf18("3","1","3","3","5","10","1") = "9"
    & skf18("3","1","3","3","6","1","1") = "5"
    & skf18("3","1","3","3","6","2","1") = "5"
    & skf18("3","1","3","3","6","3","1") = "5"
    & skf18("3","1","3","3","6","4","1") = "5"
    & skf18("3","1","3","3","6","5","1") = "5"
    & skf18("3","1","3","3","6","6","1") = "5"
    & skf18("3","1","3","3","6","7","1") = "6"
    & skf18("3","1","3","3","6","8","1") = "7"
    & skf18("3","1","3","3","6","9","1") = "8"
    & skf18("3","1","3","3","6","10","1") = "9"
    & skf18("3","1","3","3","7","1","1") = "6"
    & skf18("3","1","3","3","7","2","1") = "6"
    & skf18("3","1","3","3","7","3","1") = "6"
    & skf18("3","1","3","3","7","4","1") = "6"
    & skf18("3","1","3","3","7","5","1") = "6"
    & skf18("3","1","3","3","7","6","1") = "6"
    & skf18("3","1","3","3","7","7","1") = "6"
    & skf18("3","1","3","3","7","8","1") = "7"
    & skf18("3","1","3","3","7","9","1") = "8"
    & skf18("3","1","3","3","7","10","1") = "9"
    & skf18("3","1","3","3","8","1","1") = "7"
    & skf18("3","1","3","3","8","2","1") = "7"
    & skf18("3","1","3","3","8","3","1") = "7"
    & skf18("3","1","3","3","8","4","1") = "7"
    & skf18("3","1","3","3","8","5","1") = "7"
    & skf18("3","1","3","3","8","6","1") = "7"
    & skf18("3","1","3","3","8","7","1") = "7"
    & skf18("3","1","3","3","8","8","1") = "7"
    & skf18("3","1","3","3","8","9","1") = "8"
    & skf18("3","1","3","3","8","10","1") = "9"
    & skf18("3","1","3","3","9","1","1") = "8"
    & skf18("3","1","3","3","9","2","1") = "8"
    & skf18("3","1","3","3","9","3","1") = "8"
    & skf18("3","1","3","3","9","4","1") = "8"
    & skf18("3","1","3","3","9","5","1") = "8"
    & skf18("3","1","3","3","9","6","1") = "8"
    & skf18("3","1","3","3","9","7","1") = "8"
    & skf18("3","1","3","3","9","8","1") = "8"
    & skf18("3","1","3","3","9","9","1") = "8"
    & skf18("3","1","3","3","9","10","1") = "9"
    & skf18("3","1","3","3","10","1","1") = "9"
    & skf18("3","1","3","3","10","2","1") = "9"
    & skf18("3","1","3","3","10","3","1") = "9"
    & skf18("3","1","3","3","10","4","1") = "9"
    & skf18("3","1","3","3","10","5","1") = "9"
    & skf18("3","1","3","3","10","6","1") = "9"
    & skf18("3","1","3","3","10","7","1") = "9"
    & skf18("3","1","3","3","10","8","1") = "9"
    & skf18("3","1","3","3","10","9","1") = "9"
    & skf18("3","1","3","3","10","10","1") = "9"
    & skf18("3","1","3","4","1","1","1") = "3"
    & skf18("3","1","3","4","1","2","1") = "3"
    & skf18("3","1","3","4","1","3","1") = "3"
    & skf18("3","1","3","4","1","4","1") = "3"
    & skf18("3","1","3","4","1","5","1") = "4"
    & skf18("3","1","3","4","1","6","1") = "5"
    & skf18("3","1","3","4","1","7","1") = "6"
    & skf18("3","1","3","4","1","8","1") = "7"
    & skf18("3","1","3","4","1","9","1") = "8"
    & skf18("3","1","3","4","1","10","1") = "9"
    & skf18("3","1","3","4","2","1","1") = "3"
    & skf18("3","1","3","4","2","2","1") = "3"
    & skf18("3","1","3","4","2","3","1") = "3"
    & skf18("3","1","3","4","2","4","1") = "3"
    & skf18("3","1","3","4","2","5","1") = "4"
    & skf18("3","1","3","4","2","6","1") = "5"
    & skf18("3","1","3","4","2","7","1") = "6"
    & skf18("3","1","3","4","2","8","1") = "7"
    & skf18("3","1","3","4","2","9","1") = "8"
    & skf18("3","1","3","4","2","10","1") = "9"
    & skf18("3","1","3","4","3","1","1") = "3"
    & skf18("3","1","3","4","3","2","1") = "3"
    & skf18("3","1","3","4","3","3","1") = "3"
    & skf18("3","1","3","4","3","4","1") = "3"
    & skf18("3","1","3","4","3","5","1") = "4"
    & skf18("3","1","3","4","3","6","1") = "5"
    & skf18("3","1","3","4","3","7","1") = "6"
    & skf18("3","1","3","4","3","8","1") = "7"
    & skf18("3","1","3","4","3","9","1") = "8"
    & skf18("3","1","3","4","3","10","1") = "9"
    & skf18("3","1","3","4","4","1","1") = "3"
    & skf18("3","1","3","4","4","2","1") = "3"
    & skf18("3","1","3","4","4","3","1") = "3"
    & skf18("3","1","3","4","4","4","1") = "3"
    & skf18("3","1","3","4","4","5","1") = "4"
    & skf18("3","1","3","4","4","6","1") = "5"
    & skf18("3","1","3","4","4","7","1") = "6"
    & skf18("3","1","3","4","4","8","1") = "7"
    & skf18("3","1","3","4","4","9","1") = "8"
    & skf18("3","1","3","4","4","10","1") = "9"
    & skf18("3","1","3","4","5","1","1") = "4"
    & skf18("3","1","3","4","5","2","1") = "4"
    & skf18("3","1","3","4","5","3","1") = "4"
    & skf18("3","1","3","4","5","4","1") = "4"
    & skf18("3","1","3","4","5","5","1") = "4"
    & skf18("3","1","3","4","5","6","1") = "5"
    & skf18("3","1","3","4","5","7","1") = "6"
    & skf18("3","1","3","4","5","8","1") = "7"
    & skf18("3","1","3","4","5","9","1") = "8"
    & skf18("3","1","3","4","5","10","1") = "9"
    & skf18("3","1","3","4","6","1","1") = "5"
    & skf18("3","1","3","4","6","2","1") = "5"
    & skf18("3","1","3","4","6","3","1") = "5"
    & skf18("3","1","3","4","6","4","1") = "5"
    & skf18("3","1","3","4","6","5","1") = "5"
    & skf18("3","1","3","4","6","6","1") = "5"
    & skf18("3","1","3","4","6","7","1") = "6"
    & skf18("3","1","3","4","6","8","1") = "7"
    & skf18("3","1","3","4","6","9","1") = "8"
    & skf18("3","1","3","4","6","10","1") = "9"
    & skf18("3","1","3","4","7","1","1") = "6"
    & skf18("3","1","3","4","7","2","1") = "6"
    & skf18("3","1","3","4","7","3","1") = "6"
    & skf18("3","1","3","4","7","4","1") = "6"
    & skf18("3","1","3","4","7","5","1") = "6"
    & skf18("3","1","3","4","7","6","1") = "6"
    & skf18("3","1","3","4","7","7","1") = "6"
    & skf18("3","1","3","4","7","8","1") = "7"
    & skf18("3","1","3","4","7","9","1") = "8"
    & skf18("3","1","3","4","7","10","1") = "9"
    & skf18("3","1","3","4","8","1","1") = "7"
    & skf18("3","1","3","4","8","2","1") = "7"
    & skf18("3","1","3","4","8","3","1") = "7"
    & skf18("3","1","3","4","8","4","1") = "7"
    & skf18("3","1","3","4","8","5","1") = "7"
    & skf18("3","1","3","4","8","6","1") = "7"
    & skf18("3","1","3","4","8","7","1") = "7"
    & skf18("3","1","3","4","8","8","1") = "7"
    & skf18("3","1","3","4","8","9","1") = "8"
    & skf18("3","1","3","4","8","10","1") = "9"
    & skf18("3","1","3","4","9","1","1") = "8"
    & skf18("3","1","3","4","9","2","1") = "8"
    & skf18("3","1","3","4","9","3","1") = "8"
    & skf18("3","1","3","4","9","4","1") = "8"
    & skf18("3","1","3","4","9","5","1") = "8"
    & skf18("3","1","3","4","9","6","1") = "8"
    & skf18("3","1","3","4","9","7","1") = "8"
    & skf18("3","1","3","4","9","8","1") = "8"
    & skf18("3","1","3","4","9","9","1") = "8"
    & skf18("3","1","3","4","9","10","1") = "9"
    & skf18("3","1","3","4","10","1","1") = "9"
    & skf18("3","1","3","4","10","2","1") = "9"
    & skf18("3","1","3","4","10","3","1") = "9"
    & skf18("3","1","3","4","10","4","1") = "9"
    & skf18("3","1","3","4","10","5","1") = "9"
    & skf18("3","1","3","4","10","6","1") = "9"
    & skf18("3","1","3","4","10","7","1") = "9"
    & skf18("3","1","3","4","10","8","1") = "9"
    & skf18("3","1","3","4","10","9","1") = "9"
    & skf18("3","1","3","4","10","10","1") = "9"
    & skf18("3","1","3","5","1","1","1") = "4"
    & skf18("3","1","3","5","1","2","1") = "4"
    & skf18("3","1","3","5","1","3","1") = "4"
    & skf18("3","1","3","5","1","4","1") = "4"
    & skf18("3","1","3","5","1","5","1") = "4"
    & skf18("3","1","3","5","1","6","1") = "5"
    & skf18("3","1","3","5","1","7","1") = "6"
    & skf18("3","1","3","5","1","8","1") = "7"
    & skf18("3","1","3","5","1","9","1") = "8"
    & skf18("3","1","3","5","1","10","1") = "9"
    & skf18("3","1","3","5","2","1","1") = "4"
    & skf18("3","1","3","5","2","2","1") = "4"
    & skf18("3","1","3","5","2","3","1") = "4"
    & skf18("3","1","3","5","2","4","1") = "4"
    & skf18("3","1","3","5","2","5","1") = "4"
    & skf18("3","1","3","5","2","6","1") = "5"
    & skf18("3","1","3","5","2","7","1") = "6"
    & skf18("3","1","3","5","2","8","1") = "7"
    & skf18("3","1","3","5","2","9","1") = "8"
    & skf18("3","1","3","5","2","10","1") = "9"
    & skf18("3","1","3","5","3","1","1") = "4"
    & skf18("3","1","3","5","3","2","1") = "4"
    & skf18("3","1","3","5","3","3","1") = "4"
    & skf18("3","1","3","5","3","4","1") = "4"
    & skf18("3","1","3","5","3","5","1") = "4"
    & skf18("3","1","3","5","3","6","1") = "5"
    & skf18("3","1","3","5","3","7","1") = "6"
    & skf18("3","1","3","5","3","8","1") = "7"
    & skf18("3","1","3","5","3","9","1") = "8"
    & skf18("3","1","3","5","3","10","1") = "9"
    & skf18("3","1","3","5","4","1","1") = "4"
    & skf18("3","1","3","5","4","2","1") = "4"
    & skf18("3","1","3","5","4","3","1") = "4"
    & skf18("3","1","3","5","4","4","1") = "4"
    & skf18("3","1","3","5","4","5","1") = "4"
    & skf18("3","1","3","5","4","6","1") = "5"
    & skf18("3","1","3","5","4","7","1") = "6"
    & skf18("3","1","3","5","4","8","1") = "7"
    & skf18("3","1","3","5","4","9","1") = "8"
    & skf18("3","1","3","5","4","10","1") = "9"
    & skf18("3","1","3","5","5","1","1") = "4"
    & skf18("3","1","3","5","5","2","1") = "4"
    & skf18("3","1","3","5","5","3","1") = "4"
    & skf18("3","1","3","5","5","4","1") = "4"
    & skf18("3","1","3","5","5","5","1") = "4"
    & skf18("3","1","3","5","5","6","1") = "5"
    & skf18("3","1","3","5","5","7","1") = "6"
    & skf18("3","1","3","5","5","8","1") = "7"
    & skf18("3","1","3","5","5","9","1") = "8"
    & skf18("3","1","3","5","5","10","1") = "9"
    & skf18("3","1","3","5","6","1","1") = "5"
    & skf18("3","1","3","5","6","2","1") = "5"
    & skf18("3","1","3","5","6","3","1") = "5"
    & skf18("3","1","3","5","6","4","1") = "5"
    & skf18("3","1","3","5","6","5","1") = "5"
    & skf18("3","1","3","5","6","6","1") = "5"
    & skf18("3","1","3","5","6","7","1") = "6"
    & skf18("3","1","3","5","6","8","1") = "7"
    & skf18("3","1","3","5","6","9","1") = "8"
    & skf18("3","1","3","5","6","10","1") = "9"
    & skf18("3","1","3","5","7","1","1") = "6"
    & skf18("3","1","3","5","7","2","1") = "6"
    & skf18("3","1","3","5","7","3","1") = "6"
    & skf18("3","1","3","5","7","4","1") = "6"
    & skf18("3","1","3","5","7","5","1") = "6"
    & skf18("3","1","3","5","7","6","1") = "6"
    & skf18("3","1","3","5","7","7","1") = "6"
    & skf18("3","1","3","5","7","8","1") = "7"
    & skf18("3","1","3","5","7","9","1") = "8"
    & skf18("3","1","3","5","7","10","1") = "9"
    & skf18("3","1","3","5","8","1","1") = "7"
    & skf18("3","1","3","5","8","2","1") = "7"
    & skf18("3","1","3","5","8","3","1") = "7"
    & skf18("3","1","3","5","8","4","1") = "7"
    & skf18("3","1","3","5","8","5","1") = "7"
    & skf18("3","1","3","5","8","6","1") = "7"
    & skf18("3","1","3","5","8","7","1") = "7"
    & skf18("3","1","3","5","8","8","1") = "7"
    & skf18("3","1","3","5","8","9","1") = "8"
    & skf18("3","1","3","5","8","10","1") = "9"
    & skf18("3","1","3","5","9","1","1") = "8"
    & skf18("3","1","3","5","9","2","1") = "8"
    & skf18("3","1","3","5","9","3","1") = "8"
    & skf18("3","1","3","5","9","4","1") = "8"
    & skf18("3","1","3","5","9","5","1") = "8"
    & skf18("3","1","3","5","9","6","1") = "8"
    & skf18("3","1","3","5","9","7","1") = "8"
    & skf18("3","1","3","5","9","8","1") = "8"
    & skf18("3","1","3","5","9","9","1") = "8"
    & skf18("3","1","3","5","9","10","1") = "9"
    & skf18("3","1","3","5","10","1","1") = "9"
    & skf18("3","1","3","5","10","2","1") = "9"
    & skf18("3","1","3","5","10","3","1") = "9"
    & skf18("3","1","3","5","10","4","1") = "9"
    & skf18("3","1","3","5","10","5","1") = "9"
    & skf18("3","1","3","5","10","6","1") = "9"
    & skf18("3","1","3","5","10","7","1") = "9"
    & skf18("3","1","3","5","10","8","1") = "9"
    & skf18("3","1","3","5","10","9","1") = "9"
    & skf18("3","1","3","5","10","10","1") = "9"
    & skf18("3","1","3","6","1","1","1") = "5"
    & skf18("3","1","3","6","1","2","1") = "5"
    & skf18("3","1","3","6","1","3","1") = "5"
    & skf18("3","1","3","6","1","4","1") = "5"
    & skf18("3","1","3","6","1","5","1") = "5"
    & skf18("3","1","3","6","1","6","1") = "5"
    & skf18("3","1","3","6","1","7","1") = "6"
    & skf18("3","1","3","6","1","8","1") = "7"
    & skf18("3","1","3","6","1","9","1") = "8"
    & skf18("3","1","3","6","1","10","1") = "9"
    & skf18("3","1","3","6","2","1","1") = "5"
    & skf18("3","1","3","6","2","2","1") = "5"
    & skf18("3","1","3","6","2","3","1") = "5"
    & skf18("3","1","3","6","2","4","1") = "5"
    & skf18("3","1","3","6","2","5","1") = "5"
    & skf18("3","1","3","6","2","6","1") = "5"
    & skf18("3","1","3","6","2","7","1") = "6"
    & skf18("3","1","3","6","2","8","1") = "7"
    & skf18("3","1","3","6","2","9","1") = "8"
    & skf18("3","1","3","6","2","10","1") = "9"
    & skf18("3","1","3","6","3","1","1") = "5"
    & skf18("3","1","3","6","3","2","1") = "5"
    & skf18("3","1","3","6","3","3","1") = "5"
    & skf18("3","1","3","6","3","4","1") = "5"
    & skf18("3","1","3","6","3","5","1") = "5"
    & skf18("3","1","3","6","3","6","1") = "5"
    & skf18("3","1","3","6","3","7","1") = "6"
    & skf18("3","1","3","6","3","8","1") = "7"
    & skf18("3","1","3","6","3","9","1") = "8"
    & skf18("3","1","3","6","3","10","1") = "9"
    & skf18("3","1","3","6","4","1","1") = "5"
    & skf18("3","1","3","6","4","2","1") = "5"
    & skf18("3","1","3","6","4","3","1") = "5"
    & skf18("3","1","3","6","4","4","1") = "5"
    & skf18("3","1","3","6","4","5","1") = "5"
    & skf18("3","1","3","6","4","6","1") = "5"
    & skf18("3","1","3","6","4","7","1") = "6"
    & skf18("3","1","3","6","4","8","1") = "7"
    & skf18("3","1","3","6","4","9","1") = "8"
    & skf18("3","1","3","6","4","10","1") = "9"
    & skf18("3","1","3","6","5","1","1") = "5"
    & skf18("3","1","3","6","5","2","1") = "5"
    & skf18("3","1","3","6","5","3","1") = "5"
    & skf18("3","1","3","6","5","4","1") = "5"
    & skf18("3","1","3","6","5","5","1") = "5"
    & skf18("3","1","3","6","5","6","1") = "5"
    & skf18("3","1","3","6","5","7","1") = "6"
    & skf18("3","1","3","6","5","8","1") = "7"
    & skf18("3","1","3","6","5","9","1") = "8"
    & skf18("3","1","3","6","5","10","1") = "9"
    & skf18("3","1","3","6","6","1","1") = "5"
    & skf18("3","1","3","6","6","2","1") = "5"
    & skf18("3","1","3","6","6","3","1") = "5"
    & skf18("3","1","3","6","6","4","1") = "5"
    & skf18("3","1","3","6","6","5","1") = "5"
    & skf18("3","1","3","6","6","6","1") = "5"
    & skf18("3","1","3","6","6","7","1") = "6"
    & skf18("3","1","3","6","6","8","1") = "7"
    & skf18("3","1","3","6","6","9","1") = "8"
    & skf18("3","1","3","6","6","10","1") = "9"
    & skf18("3","1","3","6","7","1","1") = "6"
    & skf18("3","1","3","6","7","2","1") = "6"
    & skf18("3","1","3","6","7","3","1") = "6"
    & skf18("3","1","3","6","7","4","1") = "6"
    & skf18("3","1","3","6","7","5","1") = "6"
    & skf18("3","1","3","6","7","6","1") = "6"
    & skf18("3","1","3","6","7","7","1") = "6"
    & skf18("3","1","3","6","7","8","1") = "7"
    & skf18("3","1","3","6","7","9","1") = "8"
    & skf18("3","1","3","6","7","10","1") = "9"
    & skf18("3","1","3","6","8","1","1") = "7"
    & skf18("3","1","3","6","8","2","1") = "7"
    & skf18("3","1","3","6","8","3","1") = "7"
    & skf18("3","1","3","6","8","4","1") = "7"
    & skf18("3","1","3","6","8","5","1") = "7"
    & skf18("3","1","3","6","8","6","1") = "7"
    & skf18("3","1","3","6","8","7","1") = "7"
    & skf18("3","1","3","6","8","8","1") = "7"
    & skf18("3","1","3","6","8","9","1") = "8"
    & skf18("3","1","3","6","8","10","1") = "9"
    & skf18("3","1","3","6","9","1","1") = "8"
    & skf18("3","1","3","6","9","2","1") = "8"
    & skf18("3","1","3","6","9","3","1") = "8"
    & skf18("3","1","3","6","9","4","1") = "8"
    & skf18("3","1","3","6","9","5","1") = "8"
    & skf18("3","1","3","6","9","6","1") = "8"
    & skf18("3","1","3","6","9","7","1") = "8"
    & skf18("3","1","3","6","9","8","1") = "8"
    & skf18("3","1","3","6","9","9","1") = "8"
    & skf18("3","1","3","6","9","10","1") = "9"
    & skf18("3","1","3","6","10","1","1") = "9"
    & skf18("3","1","3","6","10","2","1") = "9"
    & skf18("3","1","3","6","10","3","1") = "9"
    & skf18("3","1","3","6","10","4","1") = "9"
    & skf18("3","1","3","6","10","5","1") = "9"
    & skf18("3","1","3","6","10","6","1") = "9"
    & skf18("3","1","3","6","10","7","1") = "9"
    & skf18("3","1","3","6","10","8","1") = "9"
    & skf18("3","1","3","6","10","9","1") = "9"
    & skf18("3","1","3","6","10","10","1") = "9"
    & skf18("3","1","3","7","1","1","1") = "6"
    & skf18("3","1","3","7","1","2","1") = "6"
    & skf18("3","1","3","7","1","3","1") = "6"
    & skf18("3","1","3","7","1","4","1") = "6"
    & skf18("3","1","3","7","1","5","1") = "6"
    & skf18("3","1","3","7","1","6","1") = "6"
    & skf18("3","1","3","7","1","7","1") = "6"
    & skf18("3","1","3","7","1","8","1") = "7"
    & skf18("3","1","3","7","1","9","1") = "8"
    & skf18("3","1","3","7","1","10","1") = "9"
    & skf18("3","1","3","7","2","1","1") = "6"
    & skf18("3","1","3","7","2","2","1") = "6"
    & skf18("3","1","3","7","2","3","1") = "6"
    & skf18("3","1","3","7","2","4","1") = "6"
    & skf18("3","1","3","7","2","5","1") = "6"
    & skf18("3","1","3","7","2","6","1") = "6"
    & skf18("3","1","3","7","2","7","1") = "6"
    & skf18("3","1","3","7","2","8","1") = "7"
    & skf18("3","1","3","7","2","9","1") = "8"
    & skf18("3","1","3","7","2","10","1") = "9"
    & skf18("3","1","3","7","3","1","1") = "6"
    & skf18("3","1","3","7","3","2","1") = "6"
    & skf18("3","1","3","7","3","3","1") = "6"
    & skf18("3","1","3","7","3","4","1") = "6"
    & skf18("3","1","3","7","3","5","1") = "6"
    & skf18("3","1","3","7","3","6","1") = "6"
    & skf18("3","1","3","7","3","7","1") = "6"
    & skf18("3","1","3","7","3","8","1") = "7"
    & skf18("3","1","3","7","3","9","1") = "8"
    & skf18("3","1","3","7","3","10","1") = "9"
    & skf18("3","1","3","7","4","1","1") = "6"
    & skf18("3","1","3","7","4","2","1") = "6"
    & skf18("3","1","3","7","4","3","1") = "6"
    & skf18("3","1","3","7","4","4","1") = "6"
    & skf18("3","1","3","7","4","5","1") = "6"
    & skf18("3","1","3","7","4","6","1") = "6"
    & skf18("3","1","3","7","4","7","1") = "6"
    & skf18("3","1","3","7","4","8","1") = "7"
    & skf18("3","1","3","7","4","9","1") = "8"
    & skf18("3","1","3","7","4","10","1") = "9"
    & skf18("3","1","3","7","5","1","1") = "6"
    & skf18("3","1","3","7","5","2","1") = "6"
    & skf18("3","1","3","7","5","3","1") = "6"
    & skf18("3","1","3","7","5","4","1") = "6"
    & skf18("3","1","3","7","5","5","1") = "6"
    & skf18("3","1","3","7","5","6","1") = "6"
    & skf18("3","1","3","7","5","7","1") = "6"
    & skf18("3","1","3","7","5","8","1") = "7"
    & skf18("3","1","3","7","5","9","1") = "8"
    & skf18("3","1","3","7","5","10","1") = "9"
    & skf18("3","1","3","7","6","1","1") = "6"
    & skf18("3","1","3","7","6","2","1") = "6"
    & skf18("3","1","3","7","6","3","1") = "6"
    & skf18("3","1","3","7","6","4","1") = "6"
    & skf18("3","1","3","7","6","5","1") = "6"
    & skf18("3","1","3","7","6","6","1") = "6"
    & skf18("3","1","3","7","6","7","1") = "6"
    & skf18("3","1","3","7","6","8","1") = "7"
    & skf18("3","1","3","7","6","9","1") = "8"
    & skf18("3","1","3","7","6","10","1") = "9"
    & skf18("3","1","3","7","7","1","1") = "6"
    & skf18("3","1","3","7","7","2","1") = "6"
    & skf18("3","1","3","7","7","3","1") = "6"
    & skf18("3","1","3","7","7","4","1") = "6"
    & skf18("3","1","3","7","7","5","1") = "6"
    & skf18("3","1","3","7","7","6","1") = "6"
    & skf18("3","1","3","7","7","7","1") = "6"
    & skf18("3","1","3","7","7","8","1") = "7"
    & skf18("3","1","3","7","7","9","1") = "8"
    & skf18("3","1","3","7","7","10","1") = "9"
    & skf18("3","1","3","7","8","1","1") = "7"
    & skf18("3","1","3","7","8","2","1") = "7"
    & skf18("3","1","3","7","8","3","1") = "7"
    & skf18("3","1","3","7","8","4","1") = "7"
    & skf18("3","1","3","7","8","5","1") = "7"
    & skf18("3","1","3","7","8","6","1") = "7"
    & skf18("3","1","3","7","8","7","1") = "7"
    & skf18("3","1","3","7","8","8","1") = "7"
    & skf18("3","1","3","7","8","9","1") = "8"
    & skf18("3","1","3","7","8","10","1") = "9"
    & skf18("3","1","3","7","9","1","1") = "8"
    & skf18("3","1","3","7","9","2","1") = "8"
    & skf18("3","1","3","7","9","3","1") = "8"
    & skf18("3","1","3","7","9","4","1") = "8"
    & skf18("3","1","3","7","9","5","1") = "8"
    & skf18("3","1","3","7","9","6","1") = "8"
    & skf18("3","1","3","7","9","7","1") = "8"
    & skf18("3","1","3","7","9","8","1") = "8"
    & skf18("3","1","3","7","9","9","1") = "8"
    & skf18("3","1","3","7","9","10","1") = "9"
    & skf18("3","1","3","7","10","1","1") = "9"
    & skf18("3","1","3","7","10","2","1") = "9"
    & skf18("3","1","3","7","10","3","1") = "9"
    & skf18("3","1","3","7","10","4","1") = "9"
    & skf18("3","1","3","7","10","5","1") = "9"
    & skf18("3","1","3","7","10","6","1") = "9"
    & skf18("3","1","3","7","10","7","1") = "9"
    & skf18("3","1","3","7","10","8","1") = "9"
    & skf18("3","1","3","7","10","9","1") = "9"
    & skf18("3","1","3","7","10","10","1") = "9"
    & skf18("3","1","3","8","1","1","1") = "7"
    & skf18("3","1","3","8","1","2","1") = "7"
    & skf18("3","1","3","8","1","3","1") = "7"
    & skf18("3","1","3","8","1","4","1") = "7"
    & skf18("3","1","3","8","1","5","1") = "7"
    & skf18("3","1","3","8","1","6","1") = "7"
    & skf18("3","1","3","8","1","7","1") = "7"
    & skf18("3","1","3","8","1","8","1") = "7"
    & skf18("3","1","3","8","1","9","1") = "8"
    & skf18("3","1","3","8","1","10","1") = "9"
    & skf18("3","1","3","8","2","1","1") = "7"
    & skf18("3","1","3","8","2","2","1") = "7"
    & skf18("3","1","3","8","2","3","1") = "7"
    & skf18("3","1","3","8","2","4","1") = "7"
    & skf18("3","1","3","8","2","5","1") = "7"
    & skf18("3","1","3","8","2","6","1") = "7"
    & skf18("3","1","3","8","2","7","1") = "7"
    & skf18("3","1","3","8","2","8","1") = "7"
    & skf18("3","1","3","8","2","9","1") = "8"
    & skf18("3","1","3","8","2","10","1") = "9"
    & skf18("3","1","3","8","3","1","1") = "7"
    & skf18("3","1","3","8","3","2","1") = "7"
    & skf18("3","1","3","8","3","3","1") = "7"
    & skf18("3","1","3","8","3","4","1") = "7"
    & skf18("3","1","3","8","3","5","1") = "7"
    & skf18("3","1","3","8","3","6","1") = "7"
    & skf18("3","1","3","8","3","7","1") = "7"
    & skf18("3","1","3","8","3","8","1") = "7"
    & skf18("3","1","3","8","3","9","1") = "8"
    & skf18("3","1","3","8","3","10","1") = "9"
    & skf18("3","1","3","8","4","1","1") = "7"
    & skf18("3","1","3","8","4","2","1") = "7"
    & skf18("3","1","3","8","4","3","1") = "7"
    & skf18("3","1","3","8","4","4","1") = "7"
    & skf18("3","1","3","8","4","5","1") = "7"
    & skf18("3","1","3","8","4","6","1") = "7"
    & skf18("3","1","3","8","4","7","1") = "7"
    & skf18("3","1","3","8","4","8","1") = "7"
    & skf18("3","1","3","8","4","9","1") = "8"
    & skf18("3","1","3","8","4","10","1") = "9"
    & skf18("3","1","3","8","5","1","1") = "7"
    & skf18("3","1","3","8","5","2","1") = "7"
    & skf18("3","1","3","8","5","3","1") = "7"
    & skf18("3","1","3","8","5","4","1") = "7"
    & skf18("3","1","3","8","5","5","1") = "7"
    & skf18("3","1","3","8","5","6","1") = "7"
    & skf18("3","1","3","8","5","7","1") = "7"
    & skf18("3","1","3","8","5","8","1") = "7"
    & skf18("3","1","3","8","5","9","1") = "8"
    & skf18("3","1","3","8","5","10","1") = "9"
    & skf18("3","1","3","8","6","1","1") = "7"
    & skf18("3","1","3","8","6","2","1") = "7"
    & skf18("3","1","3","8","6","3","1") = "7"
    & skf18("3","1","3","8","6","4","1") = "7"
    & skf18("3","1","3","8","6","5","1") = "7"
    & skf18("3","1","3","8","6","6","1") = "7"
    & skf18("3","1","3","8","6","7","1") = "7"
    & skf18("3","1","3","8","6","8","1") = "7"
    & skf18("3","1","3","8","6","9","1") = "8"
    & skf18("3","1","3","8","6","10","1") = "9"
    & skf18("3","1","3","8","7","1","1") = "7"
    & skf18("3","1","3","8","7","2","1") = "7"
    & skf18("3","1","3","8","7","3","1") = "7"
    & skf18("3","1","3","8","7","4","1") = "7"
    & skf18("3","1","3","8","7","5","1") = "7"
    & skf18("3","1","3","8","7","6","1") = "7"
    & skf18("3","1","3","8","7","7","1") = "7"
    & skf18("3","1","3","8","7","8","1") = "7"
    & skf18("3","1","3","8","7","9","1") = "8"
    & skf18("3","1","3","8","7","10","1") = "9"
    & skf18("3","1","3","8","8","1","1") = "7"
    & skf18("3","1","3","8","8","2","1") = "7"
    & skf18("3","1","3","8","8","3","1") = "7"
    & skf18("3","1","3","8","8","4","1") = "7"
    & skf18("3","1","3","8","8","5","1") = "7"
    & skf18("3","1","3","8","8","6","1") = "7"
    & skf18("3","1","3","8","8","7","1") = "7"
    & skf18("3","1","3","8","8","8","1") = "7"
    & skf18("3","1","3","8","8","9","1") = "8"
    & skf18("3","1","3","8","8","10","1") = "9"
    & skf18("3","1","3","8","9","1","1") = "8"
    & skf18("3","1","3","8","9","2","1") = "8"
    & skf18("3","1","3","8","9","3","1") = "8"
    & skf18("3","1","3","8","9","4","1") = "8"
    & skf18("3","1","3","8","9","5","1") = "8"
    & skf18("3","1","3","8","9","6","1") = "8"
    & skf18("3","1","3","8","9","7","1") = "8"
    & skf18("3","1","3","8","9","8","1") = "8"
    & skf18("3","1","3","8","9","9","1") = "8"
    & skf18("3","1","3","8","9","10","1") = "9"
    & skf18("3","1","3","8","10","1","1") = "9"
    & skf18("3","1","3","8","10","2","1") = "9"
    & skf18("3","1","3","8","10","3","1") = "9"
    & skf18("3","1","3","8","10","4","1") = "9"
    & skf18("3","1","3","8","10","5","1") = "9"
    & skf18("3","1","3","8","10","6","1") = "9"
    & skf18("3","1","3","8","10","7","1") = "9"
    & skf18("3","1","3","8","10","8","1") = "9"
    & skf18("3","1","3","8","10","9","1") = "9"
    & skf18("3","1","3","8","10","10","1") = "9"
    & skf18("3","1","3","9","1","1","1") = "8"
    & skf18("3","1","3","9","1","2","1") = "8"
    & skf18("3","1","3","9","1","3","1") = "8"
    & skf18("3","1","3","9","1","4","1") = "8"
    & skf18("3","1","3","9","1","5","1") = "8"
    & skf18("3","1","3","9","1","6","1") = "8"
    & skf18("3","1","3","9","1","7","1") = "8"
    & skf18("3","1","3","9","1","8","1") = "8"
    & skf18("3","1","3","9","1","9","1") = "8"
    & skf18("3","1","3","9","1","10","1") = "9"
    & skf18("3","1","3","9","2","1","1") = "8"
    & skf18("3","1","3","9","2","2","1") = "8"
    & skf18("3","1","3","9","2","3","1") = "8"
    & skf18("3","1","3","9","2","4","1") = "8"
    & skf18("3","1","3","9","2","5","1") = "8"
    & skf18("3","1","3","9","2","6","1") = "8"
    & skf18("3","1","3","9","2","7","1") = "8"
    & skf18("3","1","3","9","2","8","1") = "8"
    & skf18("3","1","3","9","2","9","1") = "8"
    & skf18("3","1","3","9","2","10","1") = "9"
    & skf18("3","1","3","9","3","1","1") = "8"
    & skf18("3","1","3","9","3","2","1") = "8"
    & skf18("3","1","3","9","3","3","1") = "8"
    & skf18("3","1","3","9","3","4","1") = "8"
    & skf18("3","1","3","9","3","5","1") = "8"
    & skf18("3","1","3","9","3","6","1") = "8"
    & skf18("3","1","3","9","3","7","1") = "8"
    & skf18("3","1","3","9","3","8","1") = "8"
    & skf18("3","1","3","9","3","9","1") = "8"
    & skf18("3","1","3","9","3","10","1") = "9"
    & skf18("3","1","3","9","4","1","1") = "8"
    & skf18("3","1","3","9","4","2","1") = "8"
    & skf18("3","1","3","9","4","3","1") = "8"
    & skf18("3","1","3","9","4","4","1") = "8"
    & skf18("3","1","3","9","4","5","1") = "8"
    & skf18("3","1","3","9","4","6","1") = "8"
    & skf18("3","1","3","9","4","7","1") = "8"
    & skf18("3","1","3","9","4","8","1") = "8"
    & skf18("3","1","3","9","4","9","1") = "8"
    & skf18("3","1","3","9","4","10","1") = "9"
    & skf18("3","1","3","9","5","1","1") = "8"
    & skf18("3","1","3","9","5","2","1") = "8"
    & skf18("3","1","3","9","5","3","1") = "8"
    & skf18("3","1","3","9","5","4","1") = "8"
    & skf18("3","1","3","9","5","5","1") = "8"
    & skf18("3","1","3","9","5","6","1") = "8"
    & skf18("3","1","3","9","5","7","1") = "8"
    & skf18("3","1","3","9","5","8","1") = "8"
    & skf18("3","1","3","9","5","9","1") = "8"
    & skf18("3","1","3","9","5","10","1") = "9"
    & skf18("3","1","3","9","6","1","1") = "8"
    & skf18("3","1","3","9","6","2","1") = "8"
    & skf18("3","1","3","9","6","3","1") = "8"
    & skf18("3","1","3","9","6","4","1") = "8"
    & skf18("3","1","3","9","6","5","1") = "8"
    & skf18("3","1","3","9","6","6","1") = "8"
    & skf18("3","1","3","9","6","7","1") = "8"
    & skf18("3","1","3","9","6","8","1") = "8"
    & skf18("3","1","3","9","6","9","1") = "8"
    & skf18("3","1","3","9","6","10","1") = "9"
    & skf18("3","1","3","9","7","1","1") = "8"
    & skf18("3","1","3","9","7","2","1") = "8"
    & skf18("3","1","3","9","7","3","1") = "8"
    & skf18("3","1","3","9","7","4","1") = "8"
    & skf18("3","1","3","9","7","5","1") = "8"
    & skf18("3","1","3","9","7","6","1") = "8"
    & skf18("3","1","3","9","7","7","1") = "8"
    & skf18("3","1","3","9","7","8","1") = "8"
    & skf18("3","1","3","9","7","9","1") = "8"
    & skf18("3","1","3","9","7","10","1") = "9"
    & skf18("3","1","3","9","8","1","1") = "8"
    & skf18("3","1","3","9","8","2","1") = "8"
    & skf18("3","1","3","9","8","3","1") = "8"
    & skf18("3","1","3","9","8","4","1") = "8"
    & skf18("3","1","3","9","8","5","1") = "8"
    & skf18("3","1","3","9","8","6","1") = "8"
    & skf18("3","1","3","9","8","7","1") = "8"
    & skf18("3","1","3","9","8","8","1") = "8"
    & skf18("3","1","3","9","8","9","1") = "8"
    & skf18("3","1","3","9","8","10","1") = "9"
    & skf18("3","1","3","9","9","1","1") = "8"
    & skf18("3","1","3","9","9","2","1") = "8"
    & skf18("3","1","3","9","9","3","1") = "8"
    & skf18("3","1","3","9","9","4","1") = "8"
    & skf18("3","1","3","9","9","5","1") = "8"
    & skf18("3","1","3","9","9","6","1") = "8"
    & skf18("3","1","3","9","9","7","1") = "8"
    & skf18("3","1","3","9","9","8","1") = "8"
    & skf18("3","1","3","9","9","9","1") = "8"
    & skf18("3","1","3","9","9","10","1") = "9"
    & skf18("3","1","3","9","10","1","1") = "9"
    & skf18("3","1","3","9","10","2","1") = "9"
    & skf18("3","1","3","9","10","3","1") = "9"
    & skf18("3","1","3","9","10","4","1") = "9"
    & skf18("3","1","3","9","10","5","1") = "9"
    & skf18("3","1","3","9","10","6","1") = "9"
    & skf18("3","1","3","9","10","7","1") = "9"
    & skf18("3","1","3","9","10","8","1") = "9"
    & skf18("3","1","3","9","10","9","1") = "9"
    & skf18("3","1","3","9","10","10","1") = "9"
    & skf18("3","1","3","10","1","1","1") = "9"
    & skf18("3","1","3","10","1","2","1") = "9"
    & skf18("3","1","3","10","1","3","1") = "9"
    & skf18("3","1","3","10","1","4","1") = "9"
    & skf18("3","1","3","10","1","5","1") = "9"
    & skf18("3","1","3","10","1","6","1") = "9"
    & skf18("3","1","3","10","1","7","1") = "9"
    & skf18("3","1","3","10","1","8","1") = "9"
    & skf18("3","1","3","10","1","9","1") = "9"
    & skf18("3","1","3","10","1","10","1") = "9"
    & skf18("3","1","3","10","2","1","1") = "9"
    & skf18("3","1","3","10","2","2","1") = "9"
    & skf18("3","1","3","10","2","3","1") = "9"
    & skf18("3","1","3","10","2","4","1") = "9"
    & skf18("3","1","3","10","2","5","1") = "9"
    & skf18("3","1","3","10","2","6","1") = "9"
    & skf18("3","1","3","10","2","7","1") = "9"
    & skf18("3","1","3","10","2","8","1") = "9"
    & skf18("3","1","3","10","2","9","1") = "9"
    & skf18("3","1","3","10","2","10","1") = "9"
    & skf18("3","1","3","10","3","1","1") = "9"
    & skf18("3","1","3","10","3","2","1") = "9"
    & skf18("3","1","3","10","3","3","1") = "9"
    & skf18("3","1","3","10","3","4","1") = "9"
    & skf18("3","1","3","10","3","5","1") = "9"
    & skf18("3","1","3","10","3","6","1") = "9"
    & skf18("3","1","3","10","3","7","1") = "9"
    & skf18("3","1","3","10","3","8","1") = "9"
    & skf18("3","1","3","10","3","9","1") = "9"
    & skf18("3","1","3","10","3","10","1") = "9"
    & skf18("3","1","3","10","4","1","1") = "9"
    & skf18("3","1","3","10","4","2","1") = "9"
    & skf18("3","1","3","10","4","3","1") = "9"
    & skf18("3","1","3","10","4","4","1") = "9"
    & skf18("3","1","3","10","4","5","1") = "9"
    & skf18("3","1","3","10","4","6","1") = "9"
    & skf18("3","1","3","10","4","7","1") = "9"
    & skf18("3","1","3","10","4","8","1") = "9"
    & skf18("3","1","3","10","4","9","1") = "9"
    & skf18("3","1","3","10","4","10","1") = "9"
    & skf18("3","1","3","10","5","1","1") = "9"
    & skf18("3","1","3","10","5","2","1") = "9"
    & skf18("3","1","3","10","5","3","1") = "9"
    & skf18("3","1","3","10","5","4","1") = "9"
    & skf18("3","1","3","10","5","5","1") = "9"
    & skf18("3","1","3","10","5","6","1") = "9"
    & skf18("3","1","3","10","5","7","1") = "9"
    & skf18("3","1","3","10","5","8","1") = "9"
    & skf18("3","1","3","10","5","9","1") = "9"
    & skf18("3","1","3","10","5","10","1") = "9"
    & skf18("3","1","3","10","6","1","1") = "9"
    & skf18("3","1","3","10","6","2","1") = "9"
    & skf18("3","1","3","10","6","3","1") = "9"
    & skf18("3","1","3","10","6","4","1") = "9"
    & skf18("3","1","3","10","6","5","1") = "9"
    & skf18("3","1","3","10","6","6","1") = "9"
    & skf18("3","1","3","10","6","7","1") = "9"
    & skf18("3","1","3","10","6","8","1") = "9"
    & skf18("3","1","3","10","6","9","1") = "9"
    & skf18("3","1","3","10","6","10","1") = "9"
    & skf18("3","1","3","10","7","1","1") = "9"
    & skf18("3","1","3","10","7","2","1") = "9"
    & skf18("3","1","3","10","7","3","1") = "9"
    & skf18("3","1","3","10","7","4","1") = "9"
    & skf18("3","1","3","10","7","5","1") = "9"
    & skf18("3","1","3","10","7","6","1") = "9"
    & skf18("3","1","3","10","7","7","1") = "9"
    & skf18("3","1","3","10","7","8","1") = "9"
    & skf18("3","1","3","10","7","9","1") = "9"
    & skf18("3","1","3","10","7","10","1") = "9"
    & skf18("3","1","3","10","8","1","1") = "9"
    & skf18("3","1","3","10","8","2","1") = "9"
    & skf18("3","1","3","10","8","3","1") = "9"
    & skf18("3","1","3","10","8","4","1") = "9"
    & skf18("3","1","3","10","8","5","1") = "9"
    & skf18("3","1","3","10","8","6","1") = "9"
    & skf18("3","1","3","10","8","7","1") = "9"
    & skf18("3","1","3","10","8","8","1") = "9"
    & skf18("3","1","3","10","8","9","1") = "9"
    & skf18("3","1","3","10","8","10","1") = "9"
    & skf18("3","1","3","10","9","1","1") = "9"
    & skf18("3","1","3","10","9","2","1") = "9"
    & skf18("3","1","3","10","9","3","1") = "9"
    & skf18("3","1","3","10","9","4","1") = "9"
    & skf18("3","1","3","10","9","5","1") = "9"
    & skf18("3","1","3","10","9","6","1") = "9"
    & skf18("3","1","3","10","9","7","1") = "9"
    & skf18("3","1","3","10","9","8","1") = "9"
    & skf18("3","1","3","10","9","9","1") = "9"
    & skf18("3","1","3","10","9","10","1") = "9"
    & skf18("3","1","3","10","10","1","1") = "9"
    & skf18("3","1","3","10","10","2","1") = "9"
    & skf18("3","1","3","10","10","3","1") = "9"
    & skf18("3","1","3","10","10","4","1") = "9"
    & skf18("3","1","3","10","10","5","1") = "9"
    & skf18("3","1","3","10","10","6","1") = "9"
    & skf18("3","1","3","10","10","7","1") = "9"
    & skf18("3","1","3","10","10","8","1") = "9"
    & skf18("3","1","3","10","10","9","1") = "9"
    & skf18("3","1","3","10","10","10","1") = "9"
    & skf18("3","1","4","1","1","1","1") = "3"
    & skf18("3","1","4","1","1","2","1") = "3"
    & skf18("3","1","4","1","1","3","1") = "3"
    & skf18("3","1","4","1","1","4","1") = "3"
    & skf18("3","1","4","1","1","5","1") = "4"
    & skf18("3","1","4","1","1","6","1") = "5"
    & skf18("3","1","4","1","1","7","1") = "6"
    & skf18("3","1","4","1","1","8","1") = "7"
    & skf18("3","1","4","1","1","9","1") = "8"
    & skf18("3","1","4","1","1","10","1") = "9"
    & skf18("3","1","4","1","2","1","1") = "3"
    & skf18("3","1","4","1","2","2","1") = "3"
    & skf18("3","1","4","1","2","3","1") = "3"
    & skf18("3","1","4","1","2","4","1") = "3"
    & skf18("3","1","4","1","2","5","1") = "4"
    & skf18("3","1","4","1","2","6","1") = "5"
    & skf18("3","1","4","1","2","7","1") = "6"
    & skf18("3","1","4","1","2","8","1") = "7"
    & skf18("3","1","4","1","2","9","1") = "8"
    & skf18("3","1","4","1","2","10","1") = "9"
    & skf18("3","1","4","1","3","1","1") = "3"
    & skf18("3","1","4","1","3","2","1") = "3"
    & skf18("3","1","4","1","3","3","1") = "3"
    & skf18("3","1","4","1","3","4","1") = "3"
    & skf18("3","1","4","1","3","5","1") = "4"
    & skf18("3","1","4","1","3","6","1") = "5"
    & skf18("3","1","4","1","3","7","1") = "6"
    & skf18("3","1","4","1","3","8","1") = "7"
    & skf18("3","1","4","1","3","9","1") = "8"
    & skf18("3","1","4","1","3","10","1") = "9"
    & skf18("3","1","4","1","4","1","1") = "3"
    & skf18("3","1","4","1","4","2","1") = "3"
    & skf18("3","1","4","1","4","3","1") = "3"
    & skf18("3","1","4","1","4","4","1") = "3"
    & skf18("3","1","4","1","4","5","1") = "4"
    & skf18("3","1","4","1","4","6","1") = "5"
    & skf18("3","1","4","1","4","7","1") = "6"
    & skf18("3","1","4","1","4","8","1") = "7"
    & skf18("3","1","4","1","4","9","1") = "8"
    & skf18("3","1","4","1","4","10","1") = "9"
    & skf18("3","1","4","1","5","1","1") = "4"
    & skf18("3","1","4","1","5","2","1") = "4"
    & skf18("3","1","4","1","5","3","1") = "4"
    & skf18("3","1","4","1","5","4","1") = "4"
    & skf18("3","1","4","1","5","5","1") = "4"
    & skf18("3","1","4","1","5","6","1") = "5"
    & skf18("3","1","4","1","5","7","1") = "6"
    & skf18("3","1","4","1","5","8","1") = "7"
    & skf18("3","1","4","1","5","9","1") = "8"
    & skf18("3","1","4","1","5","10","1") = "9"
    & skf18("3","1","4","1","6","1","1") = "5"
    & skf18("3","1","4","1","6","2","1") = "5"
    & skf18("3","1","4","1","6","3","1") = "5"
    & skf18("3","1","4","1","6","4","1") = "5"
    & skf18("3","1","4","1","6","5","1") = "5"
    & skf18("3","1","4","1","6","6","1") = "5"
    & skf18("3","1","4","1","6","7","1") = "6"
    & skf18("3","1","4","1","6","8","1") = "7"
    & skf18("3","1","4","1","6","9","1") = "8"
    & skf18("3","1","4","1","6","10","1") = "9"
    & skf18("3","1","4","1","7","1","1") = "6"
    & skf18("3","1","4","1","7","2","1") = "6"
    & skf18("3","1","4","1","7","3","1") = "6"
    & skf18("3","1","4","1","7","4","1") = "6"
    & skf18("3","1","4","1","7","5","1") = "6"
    & skf18("3","1","4","1","7","6","1") = "6"
    & skf18("3","1","4","1","7","7","1") = "6"
    & skf18("3","1","4","1","7","8","1") = "7"
    & skf18("3","1","4","1","7","9","1") = "8"
    & skf18("3","1","4","1","7","10","1") = "9"
    & skf18("3","1","4","1","8","1","1") = "7"
    & skf18("3","1","4","1","8","2","1") = "7"
    & skf18("3","1","4","1","8","3","1") = "7"
    & skf18("3","1","4","1","8","4","1") = "7"
    & skf18("3","1","4","1","8","5","1") = "7"
    & skf18("3","1","4","1","8","6","1") = "7"
    & skf18("3","1","4","1","8","7","1") = "7"
    & skf18("3","1","4","1","8","8","1") = "7"
    & skf18("3","1","4","1","8","9","1") = "8"
    & skf18("3","1","4","1","8","10","1") = "9"
    & skf18("3","1","4","1","9","1","1") = "8"
    & skf18("3","1","4","1","9","2","1") = "8"
    & skf18("3","1","4","1","9","3","1") = "8"
    & skf18("3","1","4","1","9","4","1") = "8"
    & skf18("3","1","4","1","9","5","1") = "8"
    & skf18("3","1","4","1","9","6","1") = "8"
    & skf18("3","1","4","1","9","7","1") = "8"
    & skf18("3","1","4","1","9","8","1") = "8"
    & skf18("3","1","4","1","9","9","1") = "8"
    & skf18("3","1","4","1","9","10","1") = "9"
    & skf18("3","1","4","1","10","1","1") = "9"
    & skf18("3","1","4","1","10","2","1") = "9"
    & skf18("3","1","4","1","10","3","1") = "9"
    & skf18("3","1","4","1","10","4","1") = "9"
    & skf18("3","1","4","1","10","5","1") = "9"
    & skf18("3","1","4","1","10","6","1") = "9"
    & skf18("3","1","4","1","10","7","1") = "9"
    & skf18("3","1","4","1","10","8","1") = "9"
    & skf18("3","1","4","1","10","9","1") = "9"
    & skf18("3","1","4","1","10","10","1") = "9"
    & skf18("3","1","4","2","1","1","1") = "3"
    & skf18("3","1","4","2","1","2","1") = "3"
    & skf18("3","1","4","2","1","3","1") = "3"
    & skf18("3","1","4","2","1","4","1") = "3"
    & skf18("3","1","4","2","1","5","1") = "4"
    & skf18("3","1","4","2","1","6","1") = "5"
    & skf18("3","1","4","2","1","7","1") = "6"
    & skf18("3","1","4","2","1","8","1") = "7"
    & skf18("3","1","4","2","1","9","1") = "8"
    & skf18("3","1","4","2","1","10","1") = "9"
    & skf18("3","1","4","2","2","1","1") = "3"
    & skf18("3","1","4","2","2","2","1") = "3"
    & skf18("3","1","4","2","2","3","1") = "3"
    & skf18("3","1","4","2","2","4","1") = "3"
    & skf18("3","1","4","2","2","5","1") = "4"
    & skf18("3","1","4","2","2","6","1") = "5"
    & skf18("3","1","4","2","2","7","1") = "6"
    & skf18("3","1","4","2","2","8","1") = "7"
    & skf18("3","1","4","2","2","9","1") = "8"
    & skf18("3","1","4","2","2","10","1") = "9"
    & skf18("3","1","4","2","3","1","1") = "3"
    & skf18("3","1","4","2","3","2","1") = "3"
    & skf18("3","1","4","2","3","3","1") = "3"
    & skf18("3","1","4","2","3","4","1") = "3"
    & skf18("3","1","4","2","3","5","1") = "4"
    & skf18("3","1","4","2","3","6","1") = "5"
    & skf18("3","1","4","2","3","7","1") = "6"
    & skf18("3","1","4","2","3","8","1") = "7"
    & skf18("3","1","4","2","3","9","1") = "8"
    & skf18("3","1","4","2","3","10","1") = "9"
    & skf18("3","1","4","2","4","1","1") = "3"
    & skf18("3","1","4","2","4","2","1") = "3"
    & skf18("3","1","4","2","4","3","1") = "3"
    & skf18("3","1","4","2","4","4","1") = "3"
    & skf18("3","1","4","2","4","5","1") = "4"
    & skf18("3","1","4","2","4","6","1") = "5"
    & skf18("3","1","4","2","4","7","1") = "6"
    & skf18("3","1","4","2","4","8","1") = "7"
    & skf18("3","1","4","2","4","9","1") = "8"
    & skf18("3","1","4","2","4","10","1") = "9"
    & skf18("3","1","4","2","5","1","1") = "4"
    & skf18("3","1","4","2","5","2","1") = "4"
    & skf18("3","1","4","2","5","3","1") = "4"
    & skf18("3","1","4","2","5","4","1") = "4"
    & skf18("3","1","4","2","5","5","1") = "4"
    & skf18("3","1","4","2","5","6","1") = "5"
    & skf18("3","1","4","2","5","7","1") = "6"
    & skf18("3","1","4","2","5","8","1") = "7"
    & skf18("3","1","4","2","5","9","1") = "8"
    & skf18("3","1","4","2","5","10","1") = "9"
    & skf18("3","1","4","2","6","1","1") = "5"
    & skf18("3","1","4","2","6","2","1") = "5"
    & skf18("3","1","4","2","6","3","1") = "5"
    & skf18("3","1","4","2","6","4","1") = "5"
    & skf18("3","1","4","2","6","5","1") = "5"
    & skf18("3","1","4","2","6","6","1") = "5"
    & skf18("3","1","4","2","6","7","1") = "6"
    & skf18("3","1","4","2","6","8","1") = "7"
    & skf18("3","1","4","2","6","9","1") = "8"
    & skf18("3","1","4","2","6","10","1") = "9"
    & skf18("3","1","4","2","7","1","1") = "6"
    & skf18("3","1","4","2","7","2","1") = "6"
    & skf18("3","1","4","2","7","3","1") = "6"
    & skf18("3","1","4","2","7","4","1") = "6"
    & skf18("3","1","4","2","7","5","1") = "6"
    & skf18("3","1","4","2","7","6","1") = "6"
    & skf18("3","1","4","2","7","7","1") = "6"
    & skf18("3","1","4","2","7","8","1") = "7"
    & skf18("3","1","4","2","7","9","1") = "8"
    & skf18("3","1","4","2","7","10","1") = "9"
    & skf18("3","1","4","2","8","1","1") = "7"
    & skf18("3","1","4","2","8","2","1") = "7"
    & skf18("3","1","4","2","8","3","1") = "7"
    & skf18("3","1","4","2","8","4","1") = "7"
    & skf18("3","1","4","2","8","5","1") = "7"
    & skf18("3","1","4","2","8","6","1") = "7"
    & skf18("3","1","4","2","8","7","1") = "7"
    & skf18("3","1","4","2","8","8","1") = "7"
    & skf18("3","1","4","2","8","9","1") = "8"
    & skf18("3","1","4","2","8","10","1") = "9"
    & skf18("3","1","4","2","9","1","1") = "8"
    & skf18("3","1","4","2","9","2","1") = "8"
    & skf18("3","1","4","2","9","3","1") = "8"
    & skf18("3","1","4","2","9","4","1") = "8"
    & skf18("3","1","4","2","9","5","1") = "8"
    & skf18("3","1","4","2","9","6","1") = "8"
    & skf18("3","1","4","2","9","7","1") = "8"
    & skf18("3","1","4","2","9","8","1") = "8"
    & skf18("3","1","4","2","9","9","1") = "8"
    & skf18("3","1","4","2","9","10","1") = "9"
    & skf18("3","1","4","2","10","1","1") = "9"
    & skf18("3","1","4","2","10","2","1") = "9"
    & skf18("3","1","4","2","10","3","1") = "9"
    & skf18("3","1","4","2","10","4","1") = "9"
    & skf18("3","1","4","2","10","5","1") = "9"
    & skf18("3","1","4","2","10","6","1") = "9"
    & skf18("3","1","4","2","10","7","1") = "9"
    & skf18("3","1","4","2","10","8","1") = "9"
    & skf18("3","1","4","2","10","9","1") = "9"
    & skf18("3","1","4","2","10","10","1") = "9"
    & skf18("3","1","4","3","1","1","1") = "3"
    & skf18("3","1","4","3","1","2","1") = "3"
    & skf18("3","1","4","3","1","3","1") = "3"
    & skf18("3","1","4","3","1","4","1") = "3"
    & skf18("3","1","4","3","1","5","1") = "4"
    & skf18("3","1","4","3","1","6","1") = "5"
    & skf18("3","1","4","3","1","7","1") = "6"
    & skf18("3","1","4","3","1","8","1") = "7"
    & skf18("3","1","4","3","1","9","1") = "8"
    & skf18("3","1","4","3","1","10","1") = "9"
    & skf18("3","1","4","3","2","1","1") = "3"
    & skf18("3","1","4","3","2","2","1") = "3"
    & skf18("3","1","4","3","2","3","1") = "3"
    & skf18("3","1","4","3","2","4","1") = "3"
    & skf18("3","1","4","3","2","5","1") = "4"
    & skf18("3","1","4","3","2","6","1") = "5"
    & skf18("3","1","4","3","2","7","1") = "6"
    & skf18("3","1","4","3","2","8","1") = "7"
    & skf18("3","1","4","3","2","9","1") = "8"
    & skf18("3","1","4","3","2","10","1") = "9"
    & skf18("3","1","4","3","3","1","1") = "3"
    & skf18("3","1","4","3","3","2","1") = "3"
    & skf18("3","1","4","3","3","3","1") = "3"
    & skf18("3","1","4","3","3","4","1") = "3"
    & skf18("3","1","4","3","3","5","1") = "4"
    & skf18("3","1","4","3","3","6","1") = "5"
    & skf18("3","1","4","3","3","7","1") = "6"
    & skf18("3","1","4","3","3","8","1") = "7"
    & skf18("3","1","4","3","3","9","1") = "8"
    & skf18("3","1","4","3","3","10","1") = "9"
    & skf18("3","1","4","3","4","1","1") = "3"
    & skf18("3","1","4","3","4","2","1") = "3"
    & skf18("3","1","4","3","4","3","1") = "3"
    & skf18("3","1","4","3","4","4","1") = "3"
    & skf18("3","1","4","3","4","5","1") = "4"
    & skf18("3","1","4","3","4","6","1") = "5"
    & skf18("3","1","4","3","4","7","1") = "6"
    & skf18("3","1","4","3","4","8","1") = "7"
    & skf18("3","1","4","3","4","9","1") = "8"
    & skf18("3","1","4","3","4","10","1") = "9"
    & skf18("3","1","4","3","5","1","1") = "4"
    & skf18("3","1","4","3","5","2","1") = "4"
    & skf18("3","1","4","3","5","3","1") = "4"
    & skf18("3","1","4","3","5","4","1") = "4"
    & skf18("3","1","4","3","5","5","1") = "4"
    & skf18("3","1","4","3","5","6","1") = "5"
    & skf18("3","1","4","3","5","7","1") = "6"
    & skf18("3","1","4","3","5","8","1") = "7"
    & skf18("3","1","4","3","5","9","1") = "8"
    & skf18("3","1","4","3","5","10","1") = "9"
    & skf18("3","1","4","3","6","1","1") = "5"
    & skf18("3","1","4","3","6","2","1") = "5"
    & skf18("3","1","4","3","6","3","1") = "5"
    & skf18("3","1","4","3","6","4","1") = "5"
    & skf18("3","1","4","3","6","5","1") = "5"
    & skf18("3","1","4","3","6","6","1") = "5"
    & skf18("3","1","4","3","6","7","1") = "6"
    & skf18("3","1","4","3","6","8","1") = "7"
    & skf18("3","1","4","3","6","9","1") = "8"
    & skf18("3","1","4","3","6","10","1") = "9"
    & skf18("3","1","4","3","7","1","1") = "6"
    & skf18("3","1","4","3","7","2","1") = "6"
    & skf18("3","1","4","3","7","3","1") = "6"
    & skf18("3","1","4","3","7","4","1") = "6"
    & skf18("3","1","4","3","7","5","1") = "6"
    & skf18("3","1","4","3","7","6","1") = "6"
    & skf18("3","1","4","3","7","7","1") = "6"
    & skf18("3","1","4","3","7","8","1") = "7"
    & skf18("3","1","4","3","7","9","1") = "8"
    & skf18("3","1","4","3","7","10","1") = "9"
    & skf18("3","1","4","3","8","1","1") = "7"
    & skf18("3","1","4","3","8","2","1") = "7"
    & skf18("3","1","4","3","8","3","1") = "7"
    & skf18("3","1","4","3","8","4","1") = "7"
    & skf18("3","1","4","3","8","5","1") = "7"
    & skf18("3","1","4","3","8","6","1") = "7"
    & skf18("3","1","4","3","8","7","1") = "7"
    & skf18("3","1","4","3","8","8","1") = "7"
    & skf18("3","1","4","3","8","9","1") = "8"
    & skf18("3","1","4","3","8","10","1") = "9"
    & skf18("3","1","4","3","9","1","1") = "8"
    & skf18("3","1","4","3","9","2","1") = "8"
    & skf18("3","1","4","3","9","3","1") = "8"
    & skf18("3","1","4","3","9","4","1") = "8"
    & skf18("3","1","4","3","9","5","1") = "8"
    & skf18("3","1","4","3","9","6","1") = "8"
    & skf18("3","1","4","3","9","7","1") = "8"
    & skf18("3","1","4","3","9","8","1") = "8"
    & skf18("3","1","4","3","9","9","1") = "8"
    & skf18("3","1","4","3","9","10","1") = "9"
    & skf18("3","1","4","3","10","1","1") = "9"
    & skf18("3","1","4","3","10","2","1") = "9"
    & skf18("3","1","4","3","10","3","1") = "9"
    & skf18("3","1","4","3","10","4","1") = "9"
    & skf18("3","1","4","3","10","5","1") = "9"
    & skf18("3","1","4","3","10","6","1") = "9"
    & skf18("3","1","4","3","10","7","1") = "9"
    & skf18("3","1","4","3","10","8","1") = "9"
    & skf18("3","1","4","3","10","9","1") = "9"
    & skf18("3","1","4","3","10","10","1") = "9"
    & skf18("3","1","4","4","1","1","1") = "3"
    & skf18("3","1","4","4","1","2","1") = "2"
    & skf18("3","1","4","4","1","3","1") = "3"
    & skf18("3","1","4","4","1","4","1") = "3"
    & skf18("3","1","4","4","1","5","1") = "4"
    & skf18("3","1","4","4","1","6","1") = "5"
    & skf18("3","1","4","4","1","7","1") = "6"
    & skf18("3","1","4","4","1","8","1") = "7"
    & skf18("3","1","4","4","1","9","1") = "8"
    & skf18("3","1","4","4","1","10","1") = "9"
    & skf18("3","1","4","4","2","1","1") = "3"
    & skf18("3","1","4","4","2","2","1") = "3"
    & skf18("3","1","4","4","2","3","1") = "3"
    & skf18("3","1","4","4","2","4","1") = "3"
    & skf18("3","1","4","4","2","5","1") = "4"
    & skf18("3","1","4","4","2","6","1") = "5"
    & skf18("3","1","4","4","2","7","1") = "6"
    & skf18("3","1","4","4","2","8","1") = "7"
    & skf18("3","1","4","4","2","9","1") = "8"
    & skf18("3","1","4","4","2","10","1") = "9"
    & skf18("3","1","4","4","3","1","1") = "3"
    & skf18("3","1","4","4","3","2","1") = "3"
    & skf18("3","1","4","4","3","3","1") = "3"
    & skf18("3","1","4","4","3","4","1") = "3"
    & skf18("3","1","4","4","3","5","1") = "4"
    & skf18("3","1","4","4","3","6","1") = "5"
    & skf18("3","1","4","4","3","7","1") = "6"
    & skf18("3","1","4","4","3","8","1") = "7"
    & skf18("3","1","4","4","3","9","1") = "8"
    & skf18("3","1","4","4","3","10","1") = "9"
    & skf18("3","1","4","4","4","1","1") = "3"
    & skf18("3","1","4","4","4","2","1") = "3"
    & skf18("3","1","4","4","4","3","1") = "3"
    & skf18("3","1","4","4","4","4","1") = "3"
    & skf18("3","1","4","4","4","5","1") = "4"
    & skf18("3","1","4","4","4","6","1") = "5"
    & skf18("3","1","4","4","4","7","1") = "6"
    & skf18("3","1","4","4","4","8","1") = "7"
    & skf18("3","1","4","4","4","9","1") = "8"
    & skf18("3","1","4","4","4","10","1") = "9"
    & skf18("3","1","4","4","5","1","1") = "4"
    & skf18("3","1","4","4","5","2","1") = "4"
    & skf18("3","1","4","4","5","3","1") = "4"
    & skf18("3","1","4","4","5","4","1") = "4"
    & skf18("3","1","4","4","5","5","1") = "4"
    & skf18("3","1","4","4","5","6","1") = "5"
    & skf18("3","1","4","4","5","7","1") = "6"
    & skf18("3","1","4","4","5","8","1") = "7"
    & skf18("3","1","4","4","5","9","1") = "8"
    & skf18("3","1","4","4","5","10","1") = "9"
    & skf18("3","1","4","4","6","1","1") = "5"
    & skf18("3","1","4","4","6","2","1") = "5"
    & skf18("3","1","4","4","6","3","1") = "5"
    & skf18("3","1","4","4","6","4","1") = "5"
    & skf18("3","1","4","4","6","5","1") = "5"
    & skf18("3","1","4","4","6","6","1") = "5"
    & skf18("3","1","4","4","6","7","1") = "6"
    & skf18("3","1","4","4","6","8","1") = "7"
    & skf18("3","1","4","4","6","9","1") = "8"
    & skf18("3","1","4","4","6","10","1") = "9"
    & skf18("3","1","4","4","7","1","1") = "6"
    & skf18("3","1","4","4","7","2","1") = "6"
    & skf18("3","1","4","4","7","3","1") = "6"
    & skf18("3","1","4","4","7","4","1") = "6"
    & skf18("3","1","4","4","7","5","1") = "6"
    & skf18("3","1","4","4","7","6","1") = "6"
    & skf18("3","1","4","4","7","7","1") = "6"
    & skf18("3","1","4","4","7","8","1") = "7"
    & skf18("3","1","4","4","7","9","1") = "8"
    & skf18("3","1","4","4","7","10","1") = "9"
    & skf18("3","1","4","4","8","1","1") = "7"
    & skf18("3","1","4","4","8","2","1") = "7"
    & skf18("3","1","4","4","8","3","1") = "7"
    & skf18("3","1","4","4","8","4","1") = "7"
    & skf18("3","1","4","4","8","5","1") = "7"
    & skf18("3","1","4","4","8","6","1") = "7"
    & skf18("3","1","4","4","8","7","1") = "7"
    & skf18("3","1","4","4","8","8","1") = "7"
    & skf18("3","1","4","4","8","9","1") = "8"
    & skf18("3","1","4","4","8","10","1") = "9"
    & skf18("3","1","4","4","9","1","1") = "8"
    & skf18("3","1","4","4","9","2","1") = "8"
    & skf18("3","1","4","4","9","3","1") = "8"
    & skf18("3","1","4","4","9","4","1") = "8"
    & skf18("3","1","4","4","9","5","1") = "8"
    & skf18("3","1","4","4","9","6","1") = "8"
    & skf18("3","1","4","4","9","7","1") = "8"
    & skf18("3","1","4","4","9","8","1") = "8"
    & skf18("3","1","4","4","9","9","1") = "8"
    & skf18("3","1","4","4","9","10","1") = "9"
    & skf18("3","1","4","4","10","1","1") = "9"
    & skf18("3","1","4","4","10","2","1") = "9"
    & skf18("3","1","4","4","10","3","1") = "9"
    & skf18("3","1","4","4","10","4","1") = "9"
    & skf18("3","1","4","4","10","5","1") = "9"
    & skf18("3","1","4","4","10","6","1") = "9"
    & skf18("3","1","4","4","10","7","1") = "9"
    & skf18("3","1","4","4","10","8","1") = "9"
    & skf18("3","1","4","4","10","9","1") = "9"
    & skf18("3","1","4","4","10","10","1") = "9"
    & skf18("3","1","4","5","1","1","1") = "4"
    & skf18("3","1","4","5","1","2","1") = "4"
    & skf18("3","1","4","5","1","3","1") = "4"
    & skf18("3","1","4","5","1","4","1") = "4"
    & skf18("3","1","4","5","1","5","1") = "4"
    & skf18("3","1","4","5","1","6","1") = "5"
    & skf18("3","1","4","5","1","7","1") = "6"
    & skf18("3","1","4","5","1","8","1") = "7"
    & skf18("3","1","4","5","1","9","1") = "8"
    & skf18("3","1","4","5","1","10","1") = "9"
    & skf18("3","1","4","5","2","1","1") = "4"
    & skf18("3","1","4","5","2","2","1") = "4"
    & skf18("3","1","4","5","2","3","1") = "4"
    & skf18("3","1","4","5","2","4","1") = "4"
    & skf18("3","1","4","5","2","5","1") = "4"
    & skf18("3","1","4","5","2","6","1") = "5"
    & skf18("3","1","4","5","2","7","1") = "6"
    & skf18("3","1","4","5","2","8","1") = "7"
    & skf18("3","1","4","5","2","9","1") = "8"
    & skf18("3","1","4","5","2","10","1") = "9"
    & skf18("3","1","4","5","3","1","1") = "4"
    & skf18("3","1","4","5","3","2","1") = "4"
    & skf18("3","1","4","5","3","3","1") = "4"
    & skf18("3","1","4","5","3","4","1") = "4"
    & skf18("3","1","4","5","3","5","1") = "4"
    & skf18("3","1","4","5","3","6","1") = "5"
    & skf18("3","1","4","5","3","7","1") = "6"
    & skf18("3","1","4","5","3","8","1") = "7"
    & skf18("3","1","4","5","3","9","1") = "8"
    & skf18("3","1","4","5","3","10","1") = "9"
    & skf18("3","1","4","5","4","1","1") = "4"
    & skf18("3","1","4","5","4","2","1") = "4"
    & skf18("3","1","4","5","4","3","1") = "4"
    & skf18("3","1","4","5","4","4","1") = "4"
    & skf18("3","1","4","5","4","5","1") = "4"
    & skf18("3","1","4","5","4","6","1") = "5"
    & skf18("3","1","4","5","4","7","1") = "6"
    & skf18("3","1","4","5","4","8","1") = "7"
    & skf18("3","1","4","5","4","9","1") = "8"
    & skf18("3","1","4","5","4","10","1") = "9"
    & skf18("3","1","4","5","5","1","1") = "4"
    & skf18("3","1","4","5","5","2","1") = "4"
    & skf18("3","1","4","5","5","3","1") = "4"
    & skf18("3","1","4","5","5","4","1") = "4"
    & skf18("3","1","4","5","5","5","1") = "4"
    & skf18("3","1","4","5","5","6","1") = "5"
    & skf18("3","1","4","5","5","7","1") = "6"
    & skf18("3","1","4","5","5","8","1") = "7"
    & skf18("3","1","4","5","5","9","1") = "8"
    & skf18("3","1","4","5","5","10","1") = "9"
    & skf18("3","1","4","5","6","1","1") = "5"
    & skf18("3","1","4","5","6","2","1") = "5"
    & skf18("3","1","4","5","6","3","1") = "5"
    & skf18("3","1","4","5","6","4","1") = "5"
    & skf18("3","1","4","5","6","5","1") = "5"
    & skf18("3","1","4","5","6","6","1") = "5"
    & skf18("3","1","4","5","6","7","1") = "6"
    & skf18("3","1","4","5","6","8","1") = "7"
    & skf18("3","1","4","5","6","9","1") = "8"
    & skf18("3","1","4","5","6","10","1") = "9"
    & skf18("3","1","4","5","7","1","1") = "6"
    & skf18("3","1","4","5","7","2","1") = "6"
    & skf18("3","1","4","5","7","3","1") = "6"
    & skf18("3","1","4","5","7","4","1") = "6"
    & skf18("3","1","4","5","7","5","1") = "6"
    & skf18("3","1","4","5","7","6","1") = "6"
    & skf18("3","1","4","5","7","7","1") = "6"
    & skf18("3","1","4","5","7","8","1") = "7"
    & skf18("3","1","4","5","7","9","1") = "8"
    & skf18("3","1","4","5","7","10","1") = "9"
    & skf18("3","1","4","5","8","1","1") = "7"
    & skf18("3","1","4","5","8","2","1") = "7"
    & skf18("3","1","4","5","8","3","1") = "7"
    & skf18("3","1","4","5","8","4","1") = "7"
    & skf18("3","1","4","5","8","5","1") = "7"
    & skf18("3","1","4","5","8","6","1") = "7"
    & skf18("3","1","4","5","8","7","1") = "7"
    & skf18("3","1","4","5","8","8","1") = "7"
    & skf18("3","1","4","5","8","9","1") = "8"
    & skf18("3","1","4","5","8","10","1") = "9"
    & skf18("3","1","4","5","9","1","1") = "8"
    & skf18("3","1","4","5","9","2","1") = "8"
    & skf18("3","1","4","5","9","3","1") = "8"
    & skf18("3","1","4","5","9","4","1") = "8"
    & skf18("3","1","4","5","9","5","1") = "8"
    & skf18("3","1","4","5","9","6","1") = "8"
    & skf18("3","1","4","5","9","7","1") = "8"
    & skf18("3","1","4","5","9","8","1") = "8"
    & skf18("3","1","4","5","9","9","1") = "8"
    & skf18("3","1","4","5","9","10","1") = "9"
    & skf18("3","1","4","5","10","1","1") = "9"
    & skf18("3","1","4","5","10","2","1") = "9"
    & skf18("3","1","4","5","10","3","1") = "9"
    & skf18("3","1","4","5","10","4","1") = "9"
    & skf18("3","1","4","5","10","5","1") = "9"
    & skf18("3","1","4","5","10","6","1") = "9"
    & skf18("3","1","4","5","10","7","1") = "9"
    & skf18("3","1","4","5","10","8","1") = "9"
    & skf18("3","1","4","5","10","9","1") = "9"
    & skf18("3","1","4","5","10","10","1") = "9"
    & skf18("3","1","4","6","1","1","1") = "5"
    & skf18("3","1","4","6","1","2","1") = "5"
    & skf18("3","1","4","6","1","3","1") = "5"
    & skf18("3","1","4","6","1","4","1") = "5"
    & skf18("3","1","4","6","1","5","1") = "5"
    & skf18("3","1","4","6","1","6","1") = "5"
    & skf18("3","1","4","6","1","7","1") = "6"
    & skf18("3","1","4","6","1","8","1") = "7"
    & skf18("3","1","4","6","1","9","1") = "8"
    & skf18("3","1","4","6","1","10","1") = "9"
    & skf18("3","1","4","6","2","1","1") = "5"
    & skf18("3","1","4","6","2","2","1") = "5"
    & skf18("3","1","4","6","2","3","1") = "5"
    & skf18("3","1","4","6","2","4","1") = "5"
    & skf18("3","1","4","6","2","5","1") = "5"
    & skf18("3","1","4","6","2","6","1") = "5"
    & skf18("3","1","4","6","2","7","1") = "6"
    & skf18("3","1","4","6","2","8","1") = "7"
    & skf18("3","1","4","6","2","9","1") = "8"
    & skf18("3","1","4","6","2","10","1") = "9"
    & skf18("3","1","4","6","3","1","1") = "5"
    & skf18("3","1","4","6","3","2","1") = "5"
    & skf18("3","1","4","6","3","3","1") = "5"
    & skf18("3","1","4","6","3","4","1") = "5"
    & skf18("3","1","4","6","3","5","1") = "5"
    & skf18("3","1","4","6","3","6","1") = "5"
    & skf18("3","1","4","6","3","7","1") = "6"
    & skf18("3","1","4","6","3","8","1") = "7"
    & skf18("3","1","4","6","3","9","1") = "8"
    & skf18("3","1","4","6","3","10","1") = "9"
    & skf18("3","1","4","6","4","1","1") = "5"
    & skf18("3","1","4","6","4","2","1") = "5"
    & skf18("3","1","4","6","4","3","1") = "5"
    & skf18("3","1","4","6","4","4","1") = "5"
    & skf18("3","1","4","6","4","5","1") = "5"
    & skf18("3","1","4","6","4","6","1") = "5"
    & skf18("3","1","4","6","4","7","1") = "6"
    & skf18("3","1","4","6","4","8","1") = "7"
    & skf18("3","1","4","6","4","9","1") = "8"
    & skf18("3","1","4","6","4","10","1") = "9"
    & skf18("3","1","4","6","5","1","1") = "5"
    & skf18("3","1","4","6","5","2","1") = "5"
    & skf18("3","1","4","6","5","3","1") = "5"
    & skf18("3","1","4","6","5","4","1") = "5"
    & skf18("3","1","4","6","5","5","1") = "5"
    & skf18("3","1","4","6","5","6","1") = "5"
    & skf18("3","1","4","6","5","7","1") = "6"
    & skf18("3","1","4","6","5","8","1") = "7"
    & skf18("3","1","4","6","5","9","1") = "8"
    & skf18("3","1","4","6","5","10","1") = "9"
    & skf18("3","1","4","6","6","1","1") = "5"
    & skf18("3","1","4","6","6","2","1") = "5"
    & skf18("3","1","4","6","6","3","1") = "5"
    & skf18("3","1","4","6","6","4","1") = "5"
    & skf18("3","1","4","6","6","5","1") = "5"
    & skf18("3","1","4","6","6","6","1") = "5"
    & skf18("3","1","4","6","6","7","1") = "6"
    & skf18("3","1","4","6","6","8","1") = "7"
    & skf18("3","1","4","6","6","9","1") = "8"
    & skf18("3","1","4","6","6","10","1") = "9"
    & skf18("3","1","4","6","7","1","1") = "6"
    & skf18("3","1","4","6","7","2","1") = "6"
    & skf18("3","1","4","6","7","3","1") = "6"
    & skf18("3","1","4","6","7","4","1") = "6"
    & skf18("3","1","4","6","7","5","1") = "6"
    & skf18("3","1","4","6","7","6","1") = "6"
    & skf18("3","1","4","6","7","7","1") = "6"
    & skf18("3","1","4","6","7","8","1") = "7"
    & skf18("3","1","4","6","7","9","1") = "8"
    & skf18("3","1","4","6","7","10","1") = "9"
    & skf18("3","1","4","6","8","1","1") = "7"
    & skf18("3","1","4","6","8","2","1") = "7"
    & skf18("3","1","4","6","8","3","1") = "7"
    & skf18("3","1","4","6","8","4","1") = "7"
    & skf18("3","1","4","6","8","5","1") = "7"
    & skf18("3","1","4","6","8","6","1") = "7"
    & skf18("3","1","4","6","8","7","1") = "7"
    & skf18("3","1","4","6","8","8","1") = "7"
    & skf18("3","1","4","6","8","9","1") = "8"
    & skf18("3","1","4","6","8","10","1") = "9"
    & skf18("3","1","4","6","9","1","1") = "8"
    & skf18("3","1","4","6","9","2","1") = "8"
    & skf18("3","1","4","6","9","3","1") = "8"
    & skf18("3","1","4","6","9","4","1") = "8"
    & skf18("3","1","4","6","9","5","1") = "8"
    & skf18("3","1","4","6","9","6","1") = "8"
    & skf18("3","1","4","6","9","7","1") = "8"
    & skf18("3","1","4","6","9","8","1") = "8"
    & skf18("3","1","4","6","9","9","1") = "8"
    & skf18("3","1","4","6","9","10","1") = "9"
    & skf18("3","1","4","6","10","1","1") = "9"
    & skf18("3","1","4","6","10","2","1") = "9"
    & skf18("3","1","4","6","10","3","1") = "9"
    & skf18("3","1","4","6","10","4","1") = "9"
    & skf18("3","1","4","6","10","5","1") = "9"
    & skf18("3","1","4","6","10","6","1") = "9"
    & skf18("3","1","4","6","10","7","1") = "9"
    & skf18("3","1","4","6","10","8","1") = "9"
    & skf18("3","1","4","6","10","9","1") = "9"
    & skf18("3","1","4","6","10","10","1") = "9"
    & skf18("3","1","4","7","1","1","1") = "6"
    & skf18("3","1","4","7","1","2","1") = "6"
    & skf18("3","1","4","7","1","3","1") = "6"
    & skf18("3","1","4","7","1","4","1") = "6"
    & skf18("3","1","4","7","1","5","1") = "6"
    & skf18("3","1","4","7","1","6","1") = "6"
    & skf18("3","1","4","7","1","7","1") = "6"
    & skf18("3","1","4","7","1","8","1") = "7"
    & skf18("3","1","4","7","1","9","1") = "8"
    & skf18("3","1","4","7","1","10","1") = "9"
    & skf18("3","1","4","7","2","1","1") = "6"
    & skf18("3","1","4","7","2","2","1") = "6"
    & skf18("3","1","4","7","2","3","1") = "6"
    & skf18("3","1","4","7","2","4","1") = "6"
    & skf18("3","1","4","7","2","5","1") = "6"
    & skf18("3","1","4","7","2","6","1") = "6"
    & skf18("3","1","4","7","2","7","1") = "6"
    & skf18("3","1","4","7","2","8","1") = "7"
    & skf18("3","1","4","7","2","9","1") = "8"
    & skf18("3","1","4","7","2","10","1") = "9"
    & skf18("3","1","4","7","3","1","1") = "6"
    & skf18("3","1","4","7","3","2","1") = "6"
    & skf18("3","1","4","7","3","3","1") = "6"
    & skf18("3","1","4","7","3","4","1") = "6"
    & skf18("3","1","4","7","3","5","1") = "6"
    & skf18("3","1","4","7","3","6","1") = "6"
    & skf18("3","1","4","7","3","7","1") = "6"
    & skf18("3","1","4","7","3","8","1") = "7"
    & skf18("3","1","4","7","3","9","1") = "8"
    & skf18("3","1","4","7","3","10","1") = "9"
    & skf18("3","1","4","7","4","1","1") = "6"
    & skf18("3","1","4","7","4","2","1") = "6"
    & skf18("3","1","4","7","4","3","1") = "6"
    & skf18("3","1","4","7","4","4","1") = "6"
    & skf18("3","1","4","7","4","5","1") = "6"
    & skf18("3","1","4","7","4","6","1") = "6"
    & skf18("3","1","4","7","4","7","1") = "6"
    & skf18("3","1","4","7","4","8","1") = "7"
    & skf18("3","1","4","7","4","9","1") = "8"
    & skf18("3","1","4","7","4","10","1") = "9"
    & skf18("3","1","4","7","5","1","1") = "6"
    & skf18("3","1","4","7","5","2","1") = "6"
    & skf18("3","1","4","7","5","3","1") = "6"
    & skf18("3","1","4","7","5","4","1") = "6"
    & skf18("3","1","4","7","5","5","1") = "6"
    & skf18("3","1","4","7","5","6","1") = "6"
    & skf18("3","1","4","7","5","7","1") = "6"
    & skf18("3","1","4","7","5","8","1") = "7"
    & skf18("3","1","4","7","5","9","1") = "8"
    & skf18("3","1","4","7","5","10","1") = "9"
    & skf18("3","1","4","7","6","1","1") = "6"
    & skf18("3","1","4","7","6","2","1") = "6"
    & skf18("3","1","4","7","6","3","1") = "6"
    & skf18("3","1","4","7","6","4","1") = "6"
    & skf18("3","1","4","7","6","5","1") = "6"
    & skf18("3","1","4","7","6","6","1") = "6"
    & skf18("3","1","4","7","6","7","1") = "6"
    & skf18("3","1","4","7","6","8","1") = "7"
    & skf18("3","1","4","7","6","9","1") = "8"
    & skf18("3","1","4","7","6","10","1") = "9"
    & skf18("3","1","4","7","7","1","1") = "6"
    & skf18("3","1","4","7","7","2","1") = "6"
    & skf18("3","1","4","7","7","3","1") = "6"
    & skf18("3","1","4","7","7","4","1") = "6"
    & skf18("3","1","4","7","7","5","1") = "6"
    & skf18("3","1","4","7","7","6","1") = "6"
    & skf18("3","1","4","7","7","7","1") = "6"
    & skf18("3","1","4","7","7","8","1") = "7"
    & skf18("3","1","4","7","7","9","1") = "8"
    & skf18("3","1","4","7","7","10","1") = "9"
    & skf18("3","1","4","7","8","1","1") = "7"
    & skf18("3","1","4","7","8","2","1") = "7"
    & skf18("3","1","4","7","8","3","1") = "7"
    & skf18("3","1","4","7","8","4","1") = "7"
    & skf18("3","1","4","7","8","5","1") = "7"
    & skf18("3","1","4","7","8","6","1") = "7"
    & skf18("3","1","4","7","8","7","1") = "7"
    & skf18("3","1","4","7","8","8","1") = "7"
    & skf18("3","1","4","7","8","9","1") = "8"
    & skf18("3","1","4","7","8","10","1") = "9"
    & skf18("3","1","4","7","9","1","1") = "8"
    & skf18("3","1","4","7","9","2","1") = "8"
    & skf18("3","1","4","7","9","3","1") = "8"
    & skf18("3","1","4","7","9","4","1") = "8"
    & skf18("3","1","4","7","9","5","1") = "8"
    & skf18("3","1","4","7","9","6","1") = "8"
    & skf18("3","1","4","7","9","7","1") = "8"
    & skf18("3","1","4","7","9","8","1") = "8"
    & skf18("3","1","4","7","9","9","1") = "8"
    & skf18("3","1","4","7","9","10","1") = "9"
    & skf18("3","1","4","7","10","1","1") = "9"
    & skf18("3","1","4","7","10","2","1") = "9"
    & skf18("3","1","4","7","10","3","1") = "9"
    & skf18("3","1","4","7","10","4","1") = "9"
    & skf18("3","1","4","7","10","5","1") = "9"
    & skf18("3","1","4","7","10","6","1") = "9"
    & skf18("3","1","4","7","10","7","1") = "9"
    & skf18("3","1","4","7","10","8","1") = "9"
    & skf18("3","1","4","7","10","9","1") = "9"
    & skf18("3","1","4","7","10","10","1") = "9"
    & skf18("3","1","4","8","1","1","1") = "7"
    & skf18("3","1","4","8","1","2","1") = "7"
    & skf18("3","1","4","8","1","3","1") = "7"
    & skf18("3","1","4","8","1","4","1") = "7"
    & skf18("3","1","4","8","1","5","1") = "7"
    & skf18("3","1","4","8","1","6","1") = "7"
    & skf18("3","1","4","8","1","7","1") = "7"
    & skf18("3","1","4","8","1","8","1") = "7"
    & skf18("3","1","4","8","1","9","1") = "8"
    & skf18("3","1","4","8","1","10","1") = "9"
    & skf18("3","1","4","8","2","1","1") = "7"
    & skf18("3","1","4","8","2","2","1") = "7"
    & skf18("3","1","4","8","2","3","1") = "7"
    & skf18("3","1","4","8","2","4","1") = "7"
    & skf18("3","1","4","8","2","5","1") = "7"
    & skf18("3","1","4","8","2","6","1") = "7"
    & skf18("3","1","4","8","2","7","1") = "7"
    & skf18("3","1","4","8","2","8","1") = "7"
    & skf18("3","1","4","8","2","9","1") = "8"
    & skf18("3","1","4","8","2","10","1") = "9"
    & skf18("3","1","4","8","3","1","1") = "7"
    & skf18("3","1","4","8","3","2","1") = "7"
    & skf18("3","1","4","8","3","3","1") = "7"
    & skf18("3","1","4","8","3","4","1") = "7"
    & skf18("3","1","4","8","3","5","1") = "7"
    & skf18("3","1","4","8","3","6","1") = "7"
    & skf18("3","1","4","8","3","7","1") = "7"
    & skf18("3","1","4","8","3","8","1") = "7"
    & skf18("3","1","4","8","3","9","1") = "8"
    & skf18("3","1","4","8","3","10","1") = "9"
    & skf18("3","1","4","8","4","1","1") = "7"
    & skf18("3","1","4","8","4","2","1") = "7"
    & skf18("3","1","4","8","4","3","1") = "7"
    & skf18("3","1","4","8","4","4","1") = "7"
    & skf18("3","1","4","8","4","5","1") = "7"
    & skf18("3","1","4","8","4","6","1") = "7"
    & skf18("3","1","4","8","4","7","1") = "7"
    & skf18("3","1","4","8","4","8","1") = "7"
    & skf18("3","1","4","8","4","9","1") = "8"
    & skf18("3","1","4","8","4","10","1") = "9"
    & skf18("3","1","4","8","5","1","1") = "7"
    & skf18("3","1","4","8","5","2","1") = "7"
    & skf18("3","1","4","8","5","3","1") = "7"
    & skf18("3","1","4","8","5","4","1") = "7"
    & skf18("3","1","4","8","5","5","1") = "7"
    & skf18("3","1","4","8","5","6","1") = "7"
    & skf18("3","1","4","8","5","7","1") = "7"
    & skf18("3","1","4","8","5","8","1") = "7"
    & skf18("3","1","4","8","5","9","1") = "8"
    & skf18("3","1","4","8","5","10","1") = "9"
    & skf18("3","1","4","8","6","1","1") = "7"
    & skf18("3","1","4","8","6","2","1") = "7"
    & skf18("3","1","4","8","6","3","1") = "7"
    & skf18("3","1","4","8","6","4","1") = "7"
    & skf18("3","1","4","8","6","5","1") = "7"
    & skf18("3","1","4","8","6","6","1") = "7"
    & skf18("3","1","4","8","6","7","1") = "7"
    & skf18("3","1","4","8","6","8","1") = "7"
    & skf18("3","1","4","8","6","9","1") = "8"
    & skf18("3","1","4","8","6","10","1") = "9"
    & skf18("3","1","4","8","7","1","1") = "7"
    & skf18("3","1","4","8","7","2","1") = "7"
    & skf18("3","1","4","8","7","3","1") = "7"
    & skf18("3","1","4","8","7","4","1") = "7"
    & skf18("3","1","4","8","7","5","1") = "7"
    & skf18("3","1","4","8","7","6","1") = "7"
    & skf18("3","1","4","8","7","7","1") = "7"
    & skf18("3","1","4","8","7","8","1") = "7"
    & skf18("3","1","4","8","7","9","1") = "8"
    & skf18("3","1","4","8","7","10","1") = "9"
    & skf18("3","1","4","8","8","1","1") = "7"
    & skf18("3","1","4","8","8","2","1") = "7"
    & skf18("3","1","4","8","8","3","1") = "7"
    & skf18("3","1","4","8","8","4","1") = "7"
    & skf18("3","1","4","8","8","5","1") = "7"
    & skf18("3","1","4","8","8","6","1") = "7"
    & skf18("3","1","4","8","8","7","1") = "7"
    & skf18("3","1","4","8","8","8","1") = "7"
    & skf18("3","1","4","8","8","9","1") = "8"
    & skf18("3","1","4","8","8","10","1") = "9"
    & skf18("3","1","4","8","9","1","1") = "8"
    & skf18("3","1","4","8","9","2","1") = "8"
    & skf18("3","1","4","8","9","3","1") = "8"
    & skf18("3","1","4","8","9","4","1") = "8"
    & skf18("3","1","4","8","9","5","1") = "8"
    & skf18("3","1","4","8","9","6","1") = "8"
    & skf18("3","1","4","8","9","7","1") = "8"
    & skf18("3","1","4","8","9","8","1") = "8"
    & skf18("3","1","4","8","9","9","1") = "8"
    & skf18("3","1","4","8","9","10","1") = "9"
    & skf18("3","1","4","8","10","1","1") = "9"
    & skf18("3","1","4","8","10","2","1") = "9"
    & skf18("3","1","4","8","10","3","1") = "9"
    & skf18("3","1","4","8","10","4","1") = "9"
    & skf18("3","1","4","8","10","5","1") = "9"
    & skf18("3","1","4","8","10","6","1") = "9"
    & skf18("3","1","4","8","10","7","1") = "9"
    & skf18("3","1","4","8","10","8","1") = "9"
    & skf18("3","1","4","8","10","9","1") = "9"
    & skf18("3","1","4","8","10","10","1") = "9"
    & skf18("3","1","4","9","1","1","1") = "8"
    & skf18("3","1","4","9","1","2","1") = "8"
    & skf18("3","1","4","9","1","3","1") = "8"
    & skf18("3","1","4","9","1","4","1") = "8"
    & skf18("3","1","4","9","1","5","1") = "8"
    & skf18("3","1","4","9","1","6","1") = "8"
    & skf18("3","1","4","9","1","7","1") = "8"
    & skf18("3","1","4","9","1","8","1") = "8"
    & skf18("3","1","4","9","1","9","1") = "8"
    & skf18("3","1","4","9","1","10","1") = "9"
    & skf18("3","1","4","9","2","1","1") = "8"
    & skf18("3","1","4","9","2","2","1") = "8"
    & skf18("3","1","4","9","2","3","1") = "8"
    & skf18("3","1","4","9","2","4","1") = "8"
    & skf18("3","1","4","9","2","5","1") = "8"
    & skf18("3","1","4","9","2","6","1") = "8"
    & skf18("3","1","4","9","2","7","1") = "8"
    & skf18("3","1","4","9","2","8","1") = "8"
    & skf18("3","1","4","9","2","9","1") = "8"
    & skf18("3","1","4","9","2","10","1") = "9"
    & skf18("3","1","4","9","3","1","1") = "8"
    & skf18("3","1","4","9","3","2","1") = "8"
    & skf18("3","1","4","9","3","3","1") = "8"
    & skf18("3","1","4","9","3","4","1") = "8"
    & skf18("3","1","4","9","3","5","1") = "8"
    & skf18("3","1","4","9","3","6","1") = "8"
    & skf18("3","1","4","9","3","7","1") = "8"
    & skf18("3","1","4","9","3","8","1") = "8"
    & skf18("3","1","4","9","3","9","1") = "8"
    & skf18("3","1","4","9","3","10","1") = "9"
    & skf18("3","1","4","9","4","1","1") = "8"
    & skf18("3","1","4","9","4","2","1") = "8"
    & skf18("3","1","4","9","4","3","1") = "8"
    & skf18("3","1","4","9","4","4","1") = "8"
    & skf18("3","1","4","9","4","5","1") = "8"
    & skf18("3","1","4","9","4","6","1") = "8"
    & skf18("3","1","4","9","4","7","1") = "8"
    & skf18("3","1","4","9","4","8","1") = "8"
    & skf18("3","1","4","9","4","9","1") = "8"
    & skf18("3","1","4","9","4","10","1") = "9"
    & skf18("3","1","4","9","5","1","1") = "8"
    & skf18("3","1","4","9","5","2","1") = "8"
    & skf18("3","1","4","9","5","3","1") = "8"
    & skf18("3","1","4","9","5","4","1") = "8"
    & skf18("3","1","4","9","5","5","1") = "8"
    & skf18("3","1","4","9","5","6","1") = "8"
    & skf18("3","1","4","9","5","7","1") = "8"
    & skf18("3","1","4","9","5","8","1") = "8"
    & skf18("3","1","4","9","5","9","1") = "8"
    & skf18("3","1","4","9","5","10","1") = "9"
    & skf18("3","1","4","9","6","1","1") = "8"
    & skf18("3","1","4","9","6","2","1") = "8"
    & skf18("3","1","4","9","6","3","1") = "8"
    & skf18("3","1","4","9","6","4","1") = "8"
    & skf18("3","1","4","9","6","5","1") = "8"
    & skf18("3","1","4","9","6","6","1") = "8"
    & skf18("3","1","4","9","6","7","1") = "8"
    & skf18("3","1","4","9","6","8","1") = "8"
    & skf18("3","1","4","9","6","9","1") = "8"
    & skf18("3","1","4","9","6","10","1") = "9"
    & skf18("3","1","4","9","7","1","1") = "8"
    & skf18("3","1","4","9","7","2","1") = "8"
    & skf18("3","1","4","9","7","3","1") = "8"
    & skf18("3","1","4","9","7","4","1") = "8"
    & skf18("3","1","4","9","7","5","1") = "8"
    & skf18("3","1","4","9","7","6","1") = "8"
    & skf18("3","1","4","9","7","7","1") = "8"
    & skf18("3","1","4","9","7","8","1") = "8"
    & skf18("3","1","4","9","7","9","1") = "8"
    & skf18("3","1","4","9","7","10","1") = "9"
    & skf18("3","1","4","9","8","1","1") = "8"
    & skf18("3","1","4","9","8","2","1") = "8"
    & skf18("3","1","4","9","8","3","1") = "8"
    & skf18("3","1","4","9","8","4","1") = "8"
    & skf18("3","1","4","9","8","5","1") = "8"
    & skf18("3","1","4","9","8","6","1") = "8"
    & skf18("3","1","4","9","8","7","1") = "8"
    & skf18("3","1","4","9","8","8","1") = "8"
    & skf18("3","1","4","9","8","9","1") = "8"
    & skf18("3","1","4","9","8","10","1") = "9"
    & skf18("3","1","4","9","9","1","1") = "8"
    & skf18("3","1","4","9","9","2","1") = "8"
    & skf18("3","1","4","9","9","3","1") = "8"
    & skf18("3","1","4","9","9","4","1") = "8"
    & skf18("3","1","4","9","9","5","1") = "8"
    & skf18("3","1","4","9","9","6","1") = "8"
    & skf18("3","1","4","9","9","7","1") = "8"
    & skf18("3","1","4","9","9","8","1") = "8"
    & skf18("3","1","4","9","9","9","1") = "8"
    & skf18("3","1","4","9","9","10","1") = "9"
    & skf18("3","1","4","9","10","1","1") = "9"
    & skf18("3","1","4","9","10","2","1") = "9"
    & skf18("3","1","4","9","10","3","1") = "9"
    & skf18("3","1","4","9","10","4","1") = "9"
    & skf18("3","1","4","9","10","5","1") = "9"
    & skf18("3","1","4","9","10","6","1") = "9"
    & skf18("3","1","4","9","10","7","1") = "9"
    & skf18("3","1","4","9","10","8","1") = "9"
    & skf18("3","1","4","9","10","9","1") = "9"
    & skf18("3","1","4","9","10","10","1") = "9"
    & skf18("3","1","4","10","1","1","1") = "9"
    & skf18("3","1","4","10","1","2","1") = "9"
    & skf18("3","1","4","10","1","3","1") = "9"
    & skf18("3","1","4","10","1","4","1") = "9"
    & skf18("3","1","4","10","1","5","1") = "9"
    & skf18("3","1","4","10","1","6","1") = "9"
    & skf18("3","1","4","10","1","7","1") = "9"
    & skf18("3","1","4","10","1","8","1") = "9"
    & skf18("3","1","4","10","1","9","1") = "9"
    & skf18("3","1","4","10","1","10","1") = "9"
    & skf18("3","1","4","10","2","1","1") = "9"
    & skf18("3","1","4","10","2","2","1") = "9"
    & skf18("3","1","4","10","2","3","1") = "9"
    & skf18("3","1","4","10","2","4","1") = "9"
    & skf18("3","1","4","10","2","5","1") = "9"
    & skf18("3","1","4","10","2","6","1") = "9"
    & skf18("3","1","4","10","2","7","1") = "9"
    & skf18("3","1","4","10","2","8","1") = "9"
    & skf18("3","1","4","10","2","9","1") = "9"
    & skf18("3","1","4","10","2","10","1") = "9"
    & skf18("3","1","4","10","3","1","1") = "9"
    & skf18("3","1","4","10","3","2","1") = "9"
    & skf18("3","1","4","10","3","3","1") = "9"
    & skf18("3","1","4","10","3","4","1") = "9"
    & skf18("3","1","4","10","3","5","1") = "9"
    & skf18("3","1","4","10","3","6","1") = "9"
    & skf18("3","1","4","10","3","7","1") = "9"
    & skf18("3","1","4","10","3","8","1") = "9"
    & skf18("3","1","4","10","3","9","1") = "9"
    & skf18("3","1","4","10","3","10","1") = "9"
    & skf18("3","1","4","10","4","1","1") = "9"
    & skf18("3","1","4","10","4","2","1") = "9"
    & skf18("3","1","4","10","4","3","1") = "9"
    & skf18("3","1","4","10","4","4","1") = "9"
    & skf18("3","1","4","10","4","5","1") = "9"
    & skf18("3","1","4","10","4","6","1") = "9"
    & skf18("3","1","4","10","4","7","1") = "9"
    & skf18("3","1","4","10","4","8","1") = "9"
    & skf18("3","1","4","10","4","9","1") = "9"
    & skf18("3","1","4","10","4","10","1") = "9"
    & skf18("3","1","4","10","5","1","1") = "9"
    & skf18("3","1","4","10","5","2","1") = "9"
    & skf18("3","1","4","10","5","3","1") = "9"
    & skf18("3","1","4","10","5","4","1") = "9"
    & skf18("3","1","4","10","5","5","1") = "9"
    & skf18("3","1","4","10","5","6","1") = "9"
    & skf18("3","1","4","10","5","7","1") = "9"
    & skf18("3","1","4","10","5","8","1") = "9"
    & skf18("3","1","4","10","5","9","1") = "9"
    & skf18("3","1","4","10","5","10","1") = "9"
    & skf18("3","1","4","10","6","1","1") = "9"
    & skf18("3","1","4","10","6","2","1") = "9"
    & skf18("3","1","4","10","6","3","1") = "9"
    & skf18("3","1","4","10","6","4","1") = "9"
    & skf18("3","1","4","10","6","5","1") = "9"
    & skf18("3","1","4","10","6","6","1") = "9"
    & skf18("3","1","4","10","6","7","1") = "9"
    & skf18("3","1","4","10","6","8","1") = "9"
    & skf18("3","1","4","10","6","9","1") = "9"
    & skf18("3","1","4","10","6","10","1") = "9"
    & skf18("3","1","4","10","7","1","1") = "9"
    & skf18("3","1","4","10","7","2","1") = "9"
    & skf18("3","1","4","10","7","3","1") = "9"
    & skf18("3","1","4","10","7","4","1") = "9"
    & skf18("3","1","4","10","7","5","1") = "9"
    & skf18("3","1","4","10","7","6","1") = "9"
    & skf18("3","1","4","10","7","7","1") = "9"
    & skf18("3","1","4","10","7","8","1") = "9"
    & skf18("3","1","4","10","7","9","1") = "9"
    & skf18("3","1","4","10","7","10","1") = "9"
    & skf18("3","1","4","10","8","1","1") = "9"
    & skf18("3","1","4","10","8","2","1") = "9"
    & skf18("3","1","4","10","8","3","1") = "9"
    & skf18("3","1","4","10","8","4","1") = "9"
    & skf18("3","1","4","10","8","5","1") = "9"
    & skf18("3","1","4","10","8","6","1") = "9"
    & skf18("3","1","4","10","8","7","1") = "9"
    & skf18("3","1","4","10","8","8","1") = "9"
    & skf18("3","1","4","10","8","9","1") = "9"
    & skf18("3","1","4","10","8","10","1") = "9"
    & skf18("3","1","4","10","9","1","1") = "9"
    & skf18("3","1","4","10","9","2","1") = "9"
    & skf18("3","1","4","10","9","3","1") = "9"
    & skf18("3","1","4","10","9","4","1") = "9"
    & skf18("3","1","4","10","9","5","1") = "9"
    & skf18("3","1","4","10","9","6","1") = "9"
    & skf18("3","1","4","10","9","7","1") = "9"
    & skf18("3","1","4","10","9","8","1") = "9"
    & skf18("3","1","4","10","9","9","1") = "9"
    & skf18("3","1","4","10","9","10","1") = "9"
    & skf18("3","1","4","10","10","1","1") = "9"
    & skf18("3","1","4","10","10","2","1") = "9"
    & skf18("3","1","4","10","10","3","1") = "9"
    & skf18("3","1","4","10","10","4","1") = "9"
    & skf18("3","1","4","10","10","5","1") = "9"
    & skf18("3","1","4","10","10","6","1") = "9"
    & skf18("3","1","4","10","10","7","1") = "9"
    & skf18("3","1","4","10","10","8","1") = "9"
    & skf18("3","1","4","10","10","9","1") = "9"
    & skf18("3","1","4","10","10","10","1") = "9"
    & skf18("3","1","5","1","1","1","1") = "4"
    & skf18("3","1","5","1","1","2","1") = "4"
    & skf18("3","1","5","1","1","3","1") = "4"
    & skf18("3","1","5","1","1","4","1") = "4"
    & skf18("3","1","5","1","1","5","1") = "4"
    & skf18("3","1","5","1","1","6","1") = "5"
    & skf18("3","1","5","1","1","7","1") = "6"
    & skf18("3","1","5","1","1","8","1") = "7"
    & skf18("3","1","5","1","1","9","1") = "8"
    & skf18("3","1","5","1","1","10","1") = "9"
    & skf18("3","1","5","1","2","1","1") = "4"
    & skf18("3","1","5","1","2","2","1") = "4"
    & skf18("3","1","5","1","2","3","1") = "4"
    & skf18("3","1","5","1","2","4","1") = "4"
    & skf18("3","1","5","1","2","5","1") = "4"
    & skf18("3","1","5","1","2","6","1") = "5"
    & skf18("3","1","5","1","2","7","1") = "6"
    & skf18("3","1","5","1","2","8","1") = "7"
    & skf18("3","1","5","1","2","9","1") = "8"
    & skf18("3","1","5","1","2","10","1") = "9"
    & skf18("3","1","5","1","3","1","1") = "4"
    & skf18("3","1","5","1","3","2","1") = "4"
    & skf18("3","1","5","1","3","3","1") = "4"
    & skf18("3","1","5","1","3","4","1") = "4"
    & skf18("3","1","5","1","3","5","1") = "4"
    & skf18("3","1","5","1","3","6","1") = "5"
    & skf18("3","1","5","1","3","7","1") = "6"
    & skf18("3","1","5","1","3","8","1") = "7"
    & skf18("3","1","5","1","3","9","1") = "8"
    & skf18("3","1","5","1","3","10","1") = "9"
    & skf18("3","1","5","1","4","1","1") = "4"
    & skf18("3","1","5","1","4","2","1") = "4"
    & skf18("3","1","5","1","4","3","1") = "4"
    & skf18("3","1","5","1","4","4","1") = "4"
    & skf18("3","1","5","1","4","5","1") = "4"
    & skf18("3","1","5","1","4","6","1") = "5"
    & skf18("3","1","5","1","4","7","1") = "6"
    & skf18("3","1","5","1","4","8","1") = "7"
    & skf18("3","1","5","1","4","9","1") = "8"
    & skf18("3","1","5","1","4","10","1") = "9"
    & skf18("3","1","5","1","5","1","1") = "4"
    & skf18("3","1","5","1","5","2","1") = "4"
    & skf18("3","1","5","1","5","3","1") = "4"
    & skf18("3","1","5","1","5","4","1") = "4"
    & skf18("3","1","5","1","5","5","1") = "4"
    & skf18("3","1","5","1","5","6","1") = "5"
    & skf18("3","1","5","1","5","7","1") = "6"
    & skf18("3","1","5","1","5","8","1") = "7"
    & skf18("3","1","5","1","5","9","1") = "8"
    & skf18("3","1","5","1","5","10","1") = "9"
    & skf18("3","1","5","1","6","1","1") = "5"
    & skf18("3","1","5","1","6","2","1") = "5"
    & skf18("3","1","5","1","6","3","1") = "5"
    & skf18("3","1","5","1","6","4","1") = "5"
    & skf18("3","1","5","1","6","5","1") = "5"
    & skf18("3","1","5","1","6","6","1") = "5"
    & skf18("3","1","5","1","6","7","1") = "6"
    & skf18("3","1","5","1","6","8","1") = "7"
    & skf18("3","1","5","1","6","9","1") = "8"
    & skf18("3","1","5","1","6","10","1") = "9"
    & skf18("3","1","5","1","7","1","1") = "6"
    & skf18("3","1","5","1","7","2","1") = "6"
    & skf18("3","1","5","1","7","3","1") = "6"
    & skf18("3","1","5","1","7","4","1") = "6"
    & skf18("3","1","5","1","7","5","1") = "6"
    & skf18("3","1","5","1","7","6","1") = "6"
    & skf18("3","1","5","1","7","7","1") = "6"
    & skf18("3","1","5","1","7","8","1") = "7"
    & skf18("3","1","5","1","7","9","1") = "8"
    & skf18("3","1","5","1","7","10","1") = "9"
    & skf18("3","1","5","1","8","1","1") = "7"
    & skf18("3","1","5","1","8","2","1") = "7"
    & skf18("3","1","5","1","8","3","1") = "7"
    & skf18("3","1","5","1","8","4","1") = "7"
    & skf18("3","1","5","1","8","5","1") = "7"
    & skf18("3","1","5","1","8","6","1") = "7"
    & skf18("3","1","5","1","8","7","1") = "7"
    & skf18("3","1","5","1","8","8","1") = "7"
    & skf18("3","1","5","1","8","9","1") = "8"
    & skf18("3","1","5","1","8","10","1") = "9"
    & skf18("3","1","5","1","9","1","1") = "8"
    & skf18("3","1","5","1","9","2","1") = "8"
    & skf18("3","1","5","1","9","3","1") = "8"
    & skf18("3","1","5","1","9","4","1") = "8"
    & skf18("3","1","5","1","9","5","1") = "8"
    & skf18("3","1","5","1","9","6","1") = "8"
    & skf18("3","1","5","1","9","7","1") = "8"
    & skf18("3","1","5","1","9","8","1") = "8"
    & skf18("3","1","5","1","9","9","1") = "8"
    & skf18("3","1","5","1","9","10","1") = "9"
    & skf18("3","1","5","1","10","1","1") = "9"
    & skf18("3","1","5","1","10","2","1") = "9"
    & skf18("3","1","5","1","10","3","1") = "9"
    & skf18("3","1","5","1","10","4","1") = "9"
    & skf18("3","1","5","1","10","5","1") = "9"
    & skf18("3","1","5","1","10","6","1") = "9"
    & skf18("3","1","5","1","10","7","1") = "9"
    & skf18("3","1","5","1","10","8","1") = "9"
    & skf18("3","1","5","1","10","9","1") = "9"
    & skf18("3","1","5","1","10","10","1") = "9"
    & skf18("3","1","5","2","1","1","1") = "4"
    & skf18("3","1","5","2","1","2","1") = "4"
    & skf18("3","1","5","2","1","3","1") = "4"
    & skf18("3","1","5","2","1","4","1") = "4"
    & skf18("3","1","5","2","1","5","1") = "4"
    & skf18("3","1","5","2","1","6","1") = "5"
    & skf18("3","1","5","2","1","7","1") = "6"
    & skf18("3","1","5","2","1","8","1") = "7"
    & skf18("3","1","5","2","1","9","1") = "8"
    & skf18("3","1","5","2","1","10","1") = "9"
    & skf18("3","1","5","2","2","1","1") = "4"
    & skf18("3","1","5","2","2","2","1") = "4"
    & skf18("3","1","5","2","2","3","1") = "4"
    & skf18("3","1","5","2","2","4","1") = "4"
    & skf18("3","1","5","2","2","5","1") = "4"
    & skf18("3","1","5","2","2","6","1") = "5"
    & skf18("3","1","5","2","2","7","1") = "6"
    & skf18("3","1","5","2","2","8","1") = "7"
    & skf18("3","1","5","2","2","9","1") = "8"
    & skf18("3","1","5","2","2","10","1") = "9"
    & skf18("3","1","5","2","3","1","1") = "4"
    & skf18("3","1","5","2","3","2","1") = "4"
    & skf18("3","1","5","2","3","3","1") = "4"
    & skf18("3","1","5","2","3","4","1") = "4"
    & skf18("3","1","5","2","3","5","1") = "4"
    & skf18("3","1","5","2","3","6","1") = "5"
    & skf18("3","1","5","2","3","7","1") = "6"
    & skf18("3","1","5","2","3","8","1") = "7"
    & skf18("3","1","5","2","3","9","1") = "8"
    & skf18("3","1","5","2","3","10","1") = "9"
    & skf18("3","1","5","2","4","1","1") = "4"
    & skf18("3","1","5","2","4","2","1") = "4"
    & skf18("3","1","5","2","4","3","1") = "4"
    & skf18("3","1","5","2","4","4","1") = "4"
    & skf18("3","1","5","2","4","5","1") = "4"
    & skf18("3","1","5","2","4","6","1") = "5"
    & skf18("3","1","5","2","4","7","1") = "6"
    & skf18("3","1","5","2","4","8","1") = "7"
    & skf18("3","1","5","2","4","9","1") = "8"
    & skf18("3","1","5","2","4","10","1") = "9"
    & skf18("3","1","5","2","5","1","1") = "4"
    & skf18("3","1","5","2","5","2","1") = "4"
    & skf18("3","1","5","2","5","3","1") = "4"
    & skf18("3","1","5","2","5","4","1") = "4"
    & skf18("3","1","5","2","5","5","1") = "4"
    & skf18("3","1","5","2","5","6","1") = "5"
    & skf18("3","1","5","2","5","7","1") = "6"
    & skf18("3","1","5","2","5","8","1") = "7"
    & skf18("3","1","5","2","5","9","1") = "8"
    & skf18("3","1","5","2","5","10","1") = "9"
    & skf18("3","1","5","2","6","1","1") = "5"
    & skf18("3","1","5","2","6","2","1") = "5"
    & skf18("3","1","5","2","6","3","1") = "5"
    & skf18("3","1","5","2","6","4","1") = "5"
    & skf18("3","1","5","2","6","5","1") = "5"
    & skf18("3","1","5","2","6","6","1") = "5"
    & skf18("3","1","5","2","6","7","1") = "6"
    & skf18("3","1","5","2","6","8","1") = "7"
    & skf18("3","1","5","2","6","9","1") = "8"
    & skf18("3","1","5","2","6","10","1") = "9"
    & skf18("3","1","5","2","7","1","1") = "6"
    & skf18("3","1","5","2","7","2","1") = "6"
    & skf18("3","1","5","2","7","3","1") = "6"
    & skf18("3","1","5","2","7","4","1") = "6"
    & skf18("3","1","5","2","7","5","1") = "6"
    & skf18("3","1","5","2","7","6","1") = "6"
    & skf18("3","1","5","2","7","7","1") = "6"
    & skf18("3","1","5","2","7","8","1") = "7"
    & skf18("3","1","5","2","7","9","1") = "8"
    & skf18("3","1","5","2","7","10","1") = "9"
    & skf18("3","1","5","2","8","1","1") = "7"
    & skf18("3","1","5","2","8","2","1") = "7"
    & skf18("3","1","5","2","8","3","1") = "7"
    & skf18("3","1","5","2","8","4","1") = "7"
    & skf18("3","1","5","2","8","5","1") = "7"
    & skf18("3","1","5","2","8","6","1") = "7"
    & skf18("3","1","5","2","8","7","1") = "7"
    & skf18("3","1","5","2","8","8","1") = "7"
    & skf18("3","1","5","2","8","9","1") = "8"
    & skf18("3","1","5","2","8","10","1") = "9"
    & skf18("3","1","5","2","9","1","1") = "8"
    & skf18("3","1","5","2","9","2","1") = "8"
    & skf18("3","1","5","2","9","3","1") = "8"
    & skf18("3","1","5","2","9","4","1") = "8"
    & skf18("3","1","5","2","9","5","1") = "8"
    & skf18("3","1","5","2","9","6","1") = "8"
    & skf18("3","1","5","2","9","7","1") = "8"
    & skf18("3","1","5","2","9","8","1") = "8"
    & skf18("3","1","5","2","9","9","1") = "8"
    & skf18("3","1","5","2","9","10","1") = "9"
    & skf18("3","1","5","2","10","1","1") = "9"
    & skf18("3","1","5","2","10","2","1") = "9"
    & skf18("3","1","5","2","10","3","1") = "9"
    & skf18("3","1","5","2","10","4","1") = "9"
    & skf18("3","1","5","2","10","5","1") = "9"
    & skf18("3","1","5","2","10","6","1") = "9"
    & skf18("3","1","5","2","10","7","1") = "9"
    & skf18("3","1","5","2","10","8","1") = "9"
    & skf18("3","1","5","2","10","9","1") = "9"
    & skf18("3","1","5","2","10","10","1") = "9"
    & skf18("3","1","5","3","1","1","1") = "4"
    & skf18("3","1","5","3","1","2","1") = "4"
    & skf18("3","1","5","3","1","3","1") = "4"
    & skf18("3","1","5","3","1","4","1") = "4"
    & skf18("3","1","5","3","1","5","1") = "4"
    & skf18("3","1","5","3","1","6","1") = "5"
    & skf18("3","1","5","3","1","7","1") = "6"
    & skf18("3","1","5","3","1","8","1") = "7"
    & skf18("3","1","5","3","1","9","1") = "8"
    & skf18("3","1","5","3","1","10","1") = "9"
    & skf18("3","1","5","3","2","1","1") = "4"
    & skf18("3","1","5","3","2","2","1") = "4"
    & skf18("3","1","5","3","2","3","1") = "4"
    & skf18("3","1","5","3","2","4","1") = "4"
    & skf18("3","1","5","3","2","5","1") = "4"
    & skf18("3","1","5","3","2","6","1") = "5"
    & skf18("3","1","5","3","2","7","1") = "6"
    & skf18("3","1","5","3","2","8","1") = "7"
    & skf18("3","1","5","3","2","9","1") = "8"
    & skf18("3","1","5","3","2","10","1") = "9"
    & skf18("3","1","5","3","3","1","1") = "4"
    & skf18("3","1","5","3","3","2","1") = "4"
    & skf18("3","1","5","3","3","3","1") = "4"
    & skf18("3","1","5","3","3","4","1") = "4"
    & skf18("3","1","5","3","3","5","1") = "4"
    & skf18("3","1","5","3","3","6","1") = "5"
    & skf18("3","1","5","3","3","7","1") = "6"
    & skf18("3","1","5","3","3","8","1") = "7"
    & skf18("3","1","5","3","3","9","1") = "8"
    & skf18("3","1","5","3","3","10","1") = "9"
    & skf18("3","1","5","3","4","1","1") = "4"
    & skf18("3","1","5","3","4","2","1") = "4"
    & skf18("3","1","5","3","4","3","1") = "4"
    & skf18("3","1","5","3","4","4","1") = "4"
    & skf18("3","1","5","3","4","5","1") = "4"
    & skf18("3","1","5","3","4","6","1") = "5"
    & skf18("3","1","5","3","4","7","1") = "6"
    & skf18("3","1","5","3","4","8","1") = "7"
    & skf18("3","1","5","3","4","9","1") = "8"
    & skf18("3","1","5","3","4","10","1") = "9"
    & skf18("3","1","5","3","5","1","1") = "4"
    & skf18("3","1","5","3","5","2","1") = "4"
    & skf18("3","1","5","3","5","3","1") = "4"
    & skf18("3","1","5","3","5","4","1") = "4"
    & skf18("3","1","5","3","5","5","1") = "4"
    & skf18("3","1","5","3","5","6","1") = "5"
    & skf18("3","1","5","3","5","7","1") = "6"
    & skf18("3","1","5","3","5","8","1") = "7"
    & skf18("3","1","5","3","5","9","1") = "8"
    & skf18("3","1","5","3","5","10","1") = "9"
    & skf18("3","1","5","3","6","1","1") = "5"
    & skf18("3","1","5","3","6","2","1") = "5"
    & skf18("3","1","5","3","6","3","1") = "5"
    & skf18("3","1","5","3","6","4","1") = "5"
    & skf18("3","1","5","3","6","5","1") = "5"
    & skf18("3","1","5","3","6","6","1") = "5"
    & skf18("3","1","5","3","6","7","1") = "6"
    & skf18("3","1","5","3","6","8","1") = "7"
    & skf18("3","1","5","3","6","9","1") = "8"
    & skf18("3","1","5","3","6","10","1") = "9"
    & skf18("3","1","5","3","7","1","1") = "6"
    & skf18("3","1","5","3","7","2","1") = "6"
    & skf18("3","1","5","3","7","3","1") = "6"
    & skf18("3","1","5","3","7","4","1") = "6"
    & skf18("3","1","5","3","7","5","1") = "6"
    & skf18("3","1","5","3","7","6","1") = "6"
    & skf18("3","1","5","3","7","7","1") = "6"
    & skf18("3","1","5","3","7","8","1") = "7"
    & skf18("3","1","5","3","7","9","1") = "8"
    & skf18("3","1","5","3","7","10","1") = "9"
    & skf18("3","1","5","3","8","1","1") = "7"
    & skf18("3","1","5","3","8","2","1") = "7"
    & skf18("3","1","5","3","8","3","1") = "7"
    & skf18("3","1","5","3","8","4","1") = "7"
    & skf18("3","1","5","3","8","5","1") = "7"
    & skf18("3","1","5","3","8","6","1") = "7"
    & skf18("3","1","5","3","8","7","1") = "7"
    & skf18("3","1","5","3","8","8","1") = "7"
    & skf18("3","1","5","3","8","9","1") = "8"
    & skf18("3","1","5","3","8","10","1") = "9"
    & skf18("3","1","5","3","9","1","1") = "8"
    & skf18("3","1","5","3","9","2","1") = "8"
    & skf18("3","1","5","3","9","3","1") = "8"
    & skf18("3","1","5","3","9","4","1") = "8"
    & skf18("3","1","5","3","9","5","1") = "8"
    & skf18("3","1","5","3","9","6","1") = "8"
    & skf18("3","1","5","3","9","7","1") = "8"
    & skf18("3","1","5","3","9","8","1") = "8"
    & skf18("3","1","5","3","9","9","1") = "8"
    & skf18("3","1","5","3","9","10","1") = "9"
    & skf18("3","1","5","3","10","1","1") = "9"
    & skf18("3","1","5","3","10","2","1") = "9"
    & skf18("3","1","5","3","10","3","1") = "9"
    & skf18("3","1","5","3","10","4","1") = "9"
    & skf18("3","1","5","3","10","5","1") = "9"
    & skf18("3","1","5","3","10","6","1") = "9"
    & skf18("3","1","5","3","10","7","1") = "9"
    & skf18("3","1","5","3","10","8","1") = "9"
    & skf18("3","1","5","3","10","9","1") = "9"
    & skf18("3","1","5","3","10","10","1") = "9"
    & skf18("3","1","5","4","1","1","1") = "4"
    & skf18("3","1","5","4","1","2","1") = "4"
    & skf18("3","1","5","4","1","3","1") = "4"
    & skf18("3","1","5","4","1","4","1") = "4"
    & skf18("3","1","5","4","1","5","1") = "4"
    & skf18("3","1","5","4","1","6","1") = "5"
    & skf18("3","1","5","4","1","7","1") = "6"
    & skf18("3","1","5","4","1","8","1") = "7"
    & skf18("3","1","5","4","1","9","1") = "8"
    & skf18("3","1","5","4","1","10","1") = "9"
    & skf18("3","1","5","4","2","1","1") = "4"
    & skf18("3","1","5","4","2","2","1") = "4"
    & skf18("3","1","5","4","2","3","1") = "4"
    & skf18("3","1","5","4","2","4","1") = "4"
    & skf18("3","1","5","4","2","5","1") = "4"
    & skf18("3","1","5","4","2","6","1") = "5"
    & skf18("3","1","5","4","2","7","1") = "6"
    & skf18("3","1","5","4","2","8","1") = "7"
    & skf18("3","1","5","4","2","9","1") = "8"
    & skf18("3","1","5","4","2","10","1") = "9"
    & skf18("3","1","5","4","3","1","1") = "4"
    & skf18("3","1","5","4","3","2","1") = "4"
    & skf18("3","1","5","4","3","3","1") = "4"
    & skf18("3","1","5","4","3","4","1") = "4"
    & skf18("3","1","5","4","3","5","1") = "4"
    & skf18("3","1","5","4","3","6","1") = "5"
    & skf18("3","1","5","4","3","7","1") = "6"
    & skf18("3","1","5","4","3","8","1") = "7"
    & skf18("3","1","5","4","3","9","1") = "8"
    & skf18("3","1","5","4","3","10","1") = "9"
    & skf18("3","1","5","4","4","1","1") = "4"
    & skf18("3","1","5","4","4","2","1") = "4"
    & skf18("3","1","5","4","4","3","1") = "4"
    & skf18("3","1","5","4","4","4","1") = "4"
    & skf18("3","1","5","4","4","5","1") = "4"
    & skf18("3","1","5","4","4","6","1") = "5"
    & skf18("3","1","5","4","4","7","1") = "6"
    & skf18("3","1","5","4","4","8","1") = "7"
    & skf18("3","1","5","4","4","9","1") = "8"
    & skf18("3","1","5","4","4","10","1") = "9"
    & skf18("3","1","5","4","5","1","1") = "4"
    & skf18("3","1","5","4","5","2","1") = "4"
    & skf18("3","1","5","4","5","3","1") = "4"
    & skf18("3","1","5","4","5","4","1") = "4"
    & skf18("3","1","5","4","5","5","1") = "4"
    & skf18("3","1","5","4","5","6","1") = "5"
    & skf18("3","1","5","4","5","7","1") = "6"
    & skf18("3","1","5","4","5","8","1") = "7"
    & skf18("3","1","5","4","5","9","1") = "8"
    & skf18("3","1","5","4","5","10","1") = "9"
    & skf18("3","1","5","4","6","1","1") = "5"
    & skf18("3","1","5","4","6","2","1") = "5"
    & skf18("3","1","5","4","6","3","1") = "5"
    & skf18("3","1","5","4","6","4","1") = "5"
    & skf18("3","1","5","4","6","5","1") = "5"
    & skf18("3","1","5","4","6","6","1") = "5"
    & skf18("3","1","5","4","6","7","1") = "6"
    & skf18("3","1","5","4","6","8","1") = "7"
    & skf18("3","1","5","4","6","9","1") = "8"
    & skf18("3","1","5","4","6","10","1") = "9"
    & skf18("3","1","5","4","7","1","1") = "6"
    & skf18("3","1","5","4","7","2","1") = "6"
    & skf18("3","1","5","4","7","3","1") = "6"
    & skf18("3","1","5","4","7","4","1") = "6"
    & skf18("3","1","5","4","7","5","1") = "6"
    & skf18("3","1","5","4","7","6","1") = "6"
    & skf18("3","1","5","4","7","7","1") = "6"
    & skf18("3","1","5","4","7","8","1") = "7"
    & skf18("3","1","5","4","7","9","1") = "8"
    & skf18("3","1","5","4","7","10","1") = "9"
    & skf18("3","1","5","4","8","1","1") = "7"
    & skf18("3","1","5","4","8","2","1") = "7"
    & skf18("3","1","5","4","8","3","1") = "7"
    & skf18("3","1","5","4","8","4","1") = "7"
    & skf18("3","1","5","4","8","5","1") = "7"
    & skf18("3","1","5","4","8","6","1") = "7"
    & skf18("3","1","5","4","8","7","1") = "7"
    & skf18("3","1","5","4","8","8","1") = "7"
    & skf18("3","1","5","4","8","9","1") = "8"
    & skf18("3","1","5","4","8","10","1") = "9"
    & skf18("3","1","5","4","9","1","1") = "8"
    & skf18("3","1","5","4","9","2","1") = "8"
    & skf18("3","1","5","4","9","3","1") = "8"
    & skf18("3","1","5","4","9","4","1") = "8"
    & skf18("3","1","5","4","9","5","1") = "8"
    & skf18("3","1","5","4","9","6","1") = "8"
    & skf18("3","1","5","4","9","7","1") = "8"
    & skf18("3","1","5","4","9","8","1") = "8"
    & skf18("3","1","5","4","9","9","1") = "8"
    & skf18("3","1","5","4","9","10","1") = "9"
    & skf18("3","1","5","4","10","1","1") = "9"
    & skf18("3","1","5","4","10","2","1") = "9"
    & skf18("3","1","5","4","10","3","1") = "9"
    & skf18("3","1","5","4","10","4","1") = "9"
    & skf18("3","1","5","4","10","5","1") = "9"
    & skf18("3","1","5","4","10","6","1") = "9"
    & skf18("3","1","5","4","10","7","1") = "9"
    & skf18("3","1","5","4","10","8","1") = "9"
    & skf18("3","1","5","4","10","9","1") = "9"
    & skf18("3","1","5","4","10","10","1") = "9"
    & skf18("3","1","5","5","1","1","1") = "4"
    & skf18("3","1","5","5","1","2","1") = "4"
    & skf18("3","1","5","5","1","3","1") = "4"
    & skf18("3","1","5","5","1","4","1") = "4"
    & skf18("3","1","5","5","1","5","1") = "4"
    & skf18("3","1","5","5","1","6","1") = "5"
    & skf18("3","1","5","5","1","7","1") = "6"
    & skf18("3","1","5","5","1","8","1") = "7"
    & skf18("3","1","5","5","1","9","1") = "8"
    & skf18("3","1","5","5","1","10","1") = "9"
    & skf18("3","1","5","5","2","1","1") = "4"
    & skf18("3","1","5","5","2","2","1") = "4"
    & skf18("3","1","5","5","2","3","1") = "4"
    & skf18("3","1","5","5","2","4","1") = "4"
    & skf18("3","1","5","5","2","5","1") = "4"
    & skf18("3","1","5","5","2","6","1") = "5"
    & skf18("3","1","5","5","2","7","1") = "6"
    & skf18("3","1","5","5","2","8","1") = "7"
    & skf18("3","1","5","5","2","9","1") = "8"
    & skf18("3","1","5","5","2","10","1") = "9"
    & skf18("3","1","5","5","3","1","1") = "4"
    & skf18("3","1","5","5","3","2","1") = "4"
    & skf18("3","1","5","5","3","3","1") = "4"
    & skf18("3","1","5","5","3","4","1") = "4"
    & skf18("3","1","5","5","3","5","1") = "4"
    & skf18("3","1","5","5","3","6","1") = "5"
    & skf18("3","1","5","5","3","7","1") = "6"
    & skf18("3","1","5","5","3","8","1") = "7"
    & skf18("3","1","5","5","3","9","1") = "8"
    & skf18("3","1","5","5","3","10","1") = "9"
    & skf18("3","1","5","5","4","1","1") = "4"
    & skf18("3","1","5","5","4","2","1") = "4"
    & skf18("3","1","5","5","4","3","1") = "4"
    & skf18("3","1","5","5","4","4","1") = "4"
    & skf18("3","1","5","5","4","5","1") = "4"
    & skf18("3","1","5","5","4","6","1") = "5"
    & skf18("3","1","5","5","4","7","1") = "6"
    & skf18("3","1","5","5","4","8","1") = "7"
    & skf18("3","1","5","5","4","9","1") = "8"
    & skf18("3","1","5","5","4","10","1") = "9"
    & skf18("3","1","5","5","5","1","1") = "4"
    & skf18("3","1","5","5","5","2","1") = "4"
    & skf18("3","1","5","5","5","3","1") = "4"
    & skf18("3","1","5","5","5","4","1") = "4"
    & skf18("3","1","5","5","5","5","1") = "4"
    & skf18("3","1","5","5","5","6","1") = "5"
    & skf18("3","1","5","5","5","7","1") = "6"
    & skf18("3","1","5","5","5","8","1") = "7"
    & skf18("3","1","5","5","5","9","1") = "8"
    & skf18("3","1","5","5","5","10","1") = "9"
    & skf18("3","1","5","5","6","1","1") = "5"
    & skf18("3","1","5","5","6","2","1") = "5"
    & skf18("3","1","5","5","6","3","1") = "5"
    & skf18("3","1","5","5","6","4","1") = "5"
    & skf18("3","1","5","5","6","5","1") = "5"
    & skf18("3","1","5","5","6","6","1") = "5"
    & skf18("3","1","5","5","6","7","1") = "6"
    & skf18("3","1","5","5","6","8","1") = "7"
    & skf18("3","1","5","5","6","9","1") = "8"
    & skf18("3","1","5","5","6","10","1") = "9"
    & skf18("3","1","5","5","7","1","1") = "6"
    & skf18("3","1","5","5","7","2","1") = "6"
    & skf18("3","1","5","5","7","3","1") = "6"
    & skf18("3","1","5","5","7","4","1") = "6"
    & skf18("3","1","5","5","7","5","1") = "6"
    & skf18("3","1","5","5","7","6","1") = "6"
    & skf18("3","1","5","5","7","7","1") = "6"
    & skf18("3","1","5","5","7","8","1") = "7"
    & skf18("3","1","5","5","7","9","1") = "8"
    & skf18("3","1","5","5","7","10","1") = "9"
    & skf18("3","1","5","5","8","1","1") = "7"
    & skf18("3","1","5","5","8","2","1") = "7"
    & skf18("3","1","5","5","8","3","1") = "7"
    & skf18("3","1","5","5","8","4","1") = "7"
    & skf18("3","1","5","5","8","5","1") = "7"
    & skf18("3","1","5","5","8","6","1") = "7"
    & skf18("3","1","5","5","8","7","1") = "7"
    & skf18("3","1","5","5","8","8","1") = "7"
    & skf18("3","1","5","5","8","9","1") = "8"
    & skf18("3","1","5","5","8","10","1") = "9"
    & skf18("3","1","5","5","9","1","1") = "8"
    & skf18("3","1","5","5","9","2","1") = "8"
    & skf18("3","1","5","5","9","3","1") = "8"
    & skf18("3","1","5","5","9","4","1") = "8"
    & skf18("3","1","5","5","9","5","1") = "8"
    & skf18("3","1","5","5","9","6","1") = "8"
    & skf18("3","1","5","5","9","7","1") = "8"
    & skf18("3","1","5","5","9","8","1") = "8"
    & skf18("3","1","5","5","9","9","1") = "8"
    & skf18("3","1","5","5","9","10","1") = "9"
    & skf18("3","1","5","5","10","1","1") = "9"
    & skf18("3","1","5","5","10","2","1") = "9"
    & skf18("3","1","5","5","10","3","1") = "9"
    & skf18("3","1","5","5","10","4","1") = "9"
    & skf18("3","1","5","5","10","5","1") = "9"
    & skf18("3","1","5","5","10","6","1") = "9"
    & skf18("3","1","5","5","10","7","1") = "9"
    & skf18("3","1","5","5","10","8","1") = "9"
    & skf18("3","1","5","5","10","9","1") = "9"
    & skf18("3","1","5","5","10","10","1") = "9"
    & skf18("3","1","5","6","1","1","1") = "5"
    & skf18("3","1","5","6","1","2","1") = "5"
    & skf18("3","1","5","6","1","3","1") = "5"
    & skf18("3","1","5","6","1","4","1") = "5"
    & skf18("3","1","5","6","1","5","1") = "5"
    & skf18("3","1","5","6","1","6","1") = "5"
    & skf18("3","1","5","6","1","7","1") = "6"
    & skf18("3","1","5","6","1","8","1") = "7"
    & skf18("3","1","5","6","1","9","1") = "8"
    & skf18("3","1","5","6","1","10","1") = "9"
    & skf18("3","1","5","6","2","1","1") = "5"
    & skf18("3","1","5","6","2","2","1") = "5"
    & skf18("3","1","5","6","2","3","1") = "5"
    & skf18("3","1","5","6","2","4","1") = "5"
    & skf18("3","1","5","6","2","5","1") = "5"
    & skf18("3","1","5","6","2","6","1") = "5"
    & skf18("3","1","5","6","2","7","1") = "6"
    & skf18("3","1","5","6","2","8","1") = "7"
    & skf18("3","1","5","6","2","9","1") = "8"
    & skf18("3","1","5","6","2","10","1") = "9"
    & skf18("3","1","5","6","3","1","1") = "5"
    & skf18("3","1","5","6","3","2","1") = "5"
    & skf18("3","1","5","6","3","3","1") = "5"
    & skf18("3","1","5","6","3","4","1") = "5"
    & skf18("3","1","5","6","3","5","1") = "5"
    & skf18("3","1","5","6","3","6","1") = "5"
    & skf18("3","1","5","6","3","7","1") = "6"
    & skf18("3","1","5","6","3","8","1") = "7"
    & skf18("3","1","5","6","3","9","1") = "8"
    & skf18("3","1","5","6","3","10","1") = "9"
    & skf18("3","1","5","6","4","1","1") = "5"
    & skf18("3","1","5","6","4","2","1") = "5"
    & skf18("3","1","5","6","4","3","1") = "5"
    & skf18("3","1","5","6","4","4","1") = "5"
    & skf18("3","1","5","6","4","5","1") = "5"
    & skf18("3","1","5","6","4","6","1") = "5"
    & skf18("3","1","5","6","4","7","1") = "6"
    & skf18("3","1","5","6","4","8","1") = "7"
    & skf18("3","1","5","6","4","9","1") = "8"
    & skf18("3","1","5","6","4","10","1") = "9"
    & skf18("3","1","5","6","5","1","1") = "5"
    & skf18("3","1","5","6","5","2","1") = "5"
    & skf18("3","1","5","6","5","3","1") = "5"
    & skf18("3","1","5","6","5","4","1") = "5"
    & skf18("3","1","5","6","5","5","1") = "5"
    & skf18("3","1","5","6","5","6","1") = "5"
    & skf18("3","1","5","6","5","7","1") = "6"
    & skf18("3","1","5","6","5","8","1") = "7"
    & skf18("3","1","5","6","5","9","1") = "8"
    & skf18("3","1","5","6","5","10","1") = "9"
    & skf18("3","1","5","6","6","1","1") = "5"
    & skf18("3","1","5","6","6","2","1") = "5"
    & skf18("3","1","5","6","6","3","1") = "5"
    & skf18("3","1","5","6","6","4","1") = "5"
    & skf18("3","1","5","6","6","5","1") = "5"
    & skf18("3","1","5","6","6","6","1") = "5"
    & skf18("3","1","5","6","6","7","1") = "6"
    & skf18("3","1","5","6","6","8","1") = "7"
    & skf18("3","1","5","6","6","9","1") = "8"
    & skf18("3","1","5","6","6","10","1") = "9"
    & skf18("3","1","5","6","7","1","1") = "6"
    & skf18("3","1","5","6","7","2","1") = "6"
    & skf18("3","1","5","6","7","3","1") = "6"
    & skf18("3","1","5","6","7","4","1") = "6"
    & skf18("3","1","5","6","7","5","1") = "6"
    & skf18("3","1","5","6","7","6","1") = "6"
    & skf18("3","1","5","6","7","7","1") = "6"
    & skf18("3","1","5","6","7","8","1") = "7"
    & skf18("3","1","5","6","7","9","1") = "8"
    & skf18("3","1","5","6","7","10","1") = "9"
    & skf18("3","1","5","6","8","1","1") = "7"
    & skf18("3","1","5","6","8","2","1") = "7"
    & skf18("3","1","5","6","8","3","1") = "7"
    & skf18("3","1","5","6","8","4","1") = "7"
    & skf18("3","1","5","6","8","5","1") = "7"
    & skf18("3","1","5","6","8","6","1") = "7"
    & skf18("3","1","5","6","8","7","1") = "7"
    & skf18("3","1","5","6","8","8","1") = "7"
    & skf18("3","1","5","6","8","9","1") = "8"
    & skf18("3","1","5","6","8","10","1") = "9"
    & skf18("3","1","5","6","9","1","1") = "8"
    & skf18("3","1","5","6","9","2","1") = "8"
    & skf18("3","1","5","6","9","3","1") = "8"
    & skf18("3","1","5","6","9","4","1") = "8"
    & skf18("3","1","5","6","9","5","1") = "8"
    & skf18("3","1","5","6","9","6","1") = "8"
    & skf18("3","1","5","6","9","7","1") = "8"
    & skf18("3","1","5","6","9","8","1") = "8"
    & skf18("3","1","5","6","9","9","1") = "8"
    & skf18("3","1","5","6","9","10","1") = "9"
    & skf18("3","1","5","6","10","1","1") = "9"
    & skf18("3","1","5","6","10","2","1") = "9"
    & skf18("3","1","5","6","10","3","1") = "9"
    & skf18("3","1","5","6","10","4","1") = "9"
    & skf18("3","1","5","6","10","5","1") = "9"
    & skf18("3","1","5","6","10","6","1") = "9"
    & skf18("3","1","5","6","10","7","1") = "9"
    & skf18("3","1","5","6","10","8","1") = "9"
    & skf18("3","1","5","6","10","9","1") = "9"
    & skf18("3","1","5","6","10","10","1") = "9"
    & skf18("3","1","5","7","1","1","1") = "6"
    & skf18("3","1","5","7","1","2","1") = "6"
    & skf18("3","1","5","7","1","3","1") = "6"
    & skf18("3","1","5","7","1","4","1") = "6"
    & skf18("3","1","5","7","1","5","1") = "6"
    & skf18("3","1","5","7","1","6","1") = "6"
    & skf18("3","1","5","7","1","7","1") = "6"
    & skf18("3","1","5","7","1","8","1") = "7"
    & skf18("3","1","5","7","1","9","1") = "8"
    & skf18("3","1","5","7","1","10","1") = "9"
    & skf18("3","1","5","7","2","1","1") = "6"
    & skf18("3","1","5","7","2","2","1") = "6"
    & skf18("3","1","5","7","2","3","1") = "6"
    & skf18("3","1","5","7","2","4","1") = "6"
    & skf18("3","1","5","7","2","5","1") = "6"
    & skf18("3","1","5","7","2","6","1") = "6"
    & skf18("3","1","5","7","2","7","1") = "6"
    & skf18("3","1","5","7","2","8","1") = "7"
    & skf18("3","1","5","7","2","9","1") = "8"
    & skf18("3","1","5","7","2","10","1") = "9"
    & skf18("3","1","5","7","3","1","1") = "6"
    & skf18("3","1","5","7","3","2","1") = "6"
    & skf18("3","1","5","7","3","3","1") = "6"
    & skf18("3","1","5","7","3","4","1") = "6"
    & skf18("3","1","5","7","3","5","1") = "6"
    & skf18("3","1","5","7","3","6","1") = "6"
    & skf18("3","1","5","7","3","7","1") = "6"
    & skf18("3","1","5","7","3","8","1") = "7"
    & skf18("3","1","5","7","3","9","1") = "8"
    & skf18("3","1","5","7","3","10","1") = "9"
    & skf18("3","1","5","7","4","1","1") = "6"
    & skf18("3","1","5","7","4","2","1") = "6"
    & skf18("3","1","5","7","4","3","1") = "6"
    & skf18("3","1","5","7","4","4","1") = "6"
    & skf18("3","1","5","7","4","5","1") = "6"
    & skf18("3","1","5","7","4","6","1") = "6"
    & skf18("3","1","5","7","4","7","1") = "6"
    & skf18("3","1","5","7","4","8","1") = "7"
    & skf18("3","1","5","7","4","9","1") = "8"
    & skf18("3","1","5","7","4","10","1") = "9"
    & skf18("3","1","5","7","5","1","1") = "6"
    & skf18("3","1","5","7","5","2","1") = "6"
    & skf18("3","1","5","7","5","3","1") = "6"
    & skf18("3","1","5","7","5","4","1") = "6"
    & skf18("3","1","5","7","5","5","1") = "6"
    & skf18("3","1","5","7","5","6","1") = "6"
    & skf18("3","1","5","7","5","7","1") = "6"
    & skf18("3","1","5","7","5","8","1") = "7"
    & skf18("3","1","5","7","5","9","1") = "8"
    & skf18("3","1","5","7","5","10","1") = "9"
    & skf18("3","1","5","7","6","1","1") = "6"
    & skf18("3","1","5","7","6","2","1") = "6"
    & skf18("3","1","5","7","6","3","1") = "6"
    & skf18("3","1","5","7","6","4","1") = "6"
    & skf18("3","1","5","7","6","5","1") = "6"
    & skf18("3","1","5","7","6","6","1") = "6"
    & skf18("3","1","5","7","6","7","1") = "6"
    & skf18("3","1","5","7","6","8","1") = "7"
    & skf18("3","1","5","7","6","9","1") = "8"
    & skf18("3","1","5","7","6","10","1") = "9"
    & skf18("3","1","5","7","7","1","1") = "6"
    & skf18("3","1","5","7","7","2","1") = "6"
    & skf18("3","1","5","7","7","3","1") = "6"
    & skf18("3","1","5","7","7","4","1") = "6"
    & skf18("3","1","5","7","7","5","1") = "6"
    & skf18("3","1","5","7","7","6","1") = "6"
    & skf18("3","1","5","7","7","7","1") = "6"
    & skf18("3","1","5","7","7","8","1") = "7"
    & skf18("3","1","5","7","7","9","1") = "8"
    & skf18("3","1","5","7","7","10","1") = "9"
    & skf18("3","1","5","7","8","1","1") = "7"
    & skf18("3","1","5","7","8","2","1") = "7"
    & skf18("3","1","5","7","8","3","1") = "7"
    & skf18("3","1","5","7","8","4","1") = "7"
    & skf18("3","1","5","7","8","5","1") = "7"
    & skf18("3","1","5","7","8","6","1") = "7"
    & skf18("3","1","5","7","8","7","1") = "7"
    & skf18("3","1","5","7","8","8","1") = "7"
    & skf18("3","1","5","7","8","9","1") = "8"
    & skf18("3","1","5","7","8","10","1") = "9"
    & skf18("3","1","5","7","9","1","1") = "8"
    & skf18("3","1","5","7","9","2","1") = "8"
    & skf18("3","1","5","7","9","3","1") = "8"
    & skf18("3","1","5","7","9","4","1") = "8"
    & skf18("3","1","5","7","9","5","1") = "8"
    & skf18("3","1","5","7","9","6","1") = "8"
    & skf18("3","1","5","7","9","7","1") = "8"
    & skf18("3","1","5","7","9","8","1") = "8"
    & skf18("3","1","5","7","9","9","1") = "8"
    & skf18("3","1","5","7","9","10","1") = "9"
    & skf18("3","1","5","7","10","1","1") = "9"
    & skf18("3","1","5","7","10","2","1") = "9"
    & skf18("3","1","5","7","10","3","1") = "9"
    & skf18("3","1","5","7","10","4","1") = "9"
    & skf18("3","1","5","7","10","5","1") = "9"
    & skf18("3","1","5","7","10","6","1") = "9"
    & skf18("3","1","5","7","10","7","1") = "9"
    & skf18("3","1","5","7","10","8","1") = "9"
    & skf18("3","1","5","7","10","9","1") = "9"
    & skf18("3","1","5","7","10","10","1") = "9"
    & skf18("3","1","5","8","1","1","1") = "7"
    & skf18("3","1","5","8","1","2","1") = "7"
    & skf18("3","1","5","8","1","3","1") = "7"
    & skf18("3","1","5","8","1","4","1") = "7"
    & skf18("3","1","5","8","1","5","1") = "7"
    & skf18("3","1","5","8","1","6","1") = "7"
    & skf18("3","1","5","8","1","7","1") = "7"
    & skf18("3","1","5","8","1","8","1") = "7"
    & skf18("3","1","5","8","1","9","1") = "8"
    & skf18("3","1","5","8","1","10","1") = "9"
    & skf18("3","1","5","8","2","1","1") = "7"
    & skf18("3","1","5","8","2","2","1") = "7"
    & skf18("3","1","5","8","2","3","1") = "7"
    & skf18("3","1","5","8","2","4","1") = "7"
    & skf18("3","1","5","8","2","5","1") = "7"
    & skf18("3","1","5","8","2","6","1") = "7"
    & skf18("3","1","5","8","2","7","1") = "7"
    & skf18("3","1","5","8","2","8","1") = "7"
    & skf18("3","1","5","8","2","9","1") = "8"
    & skf18("3","1","5","8","2","10","1") = "9"
    & skf18("3","1","5","8","3","1","1") = "7"
    & skf18("3","1","5","8","3","2","1") = "7"
    & skf18("3","1","5","8","3","3","1") = "7"
    & skf18("3","1","5","8","3","4","1") = "7"
    & skf18("3","1","5","8","3","5","1") = "7"
    & skf18("3","1","5","8","3","6","1") = "7"
    & skf18("3","1","5","8","3","7","1") = "7"
    & skf18("3","1","5","8","3","8","1") = "7"
    & skf18("3","1","5","8","3","9","1") = "8"
    & skf18("3","1","5","8","3","10","1") = "9"
    & skf18("3","1","5","8","4","1","1") = "7"
    & skf18("3","1","5","8","4","2","1") = "7"
    & skf18("3","1","5","8","4","3","1") = "7"
    & skf18("3","1","5","8","4","4","1") = "7"
    & skf18("3","1","5","8","4","5","1") = "7"
    & skf18("3","1","5","8","4","6","1") = "7"
    & skf18("3","1","5","8","4","7","1") = "7"
    & skf18("3","1","5","8","4","8","1") = "7"
    & skf18("3","1","5","8","4","9","1") = "8"
    & skf18("3","1","5","8","4","10","1") = "9"
    & skf18("3","1","5","8","5","1","1") = "7"
    & skf18("3","1","5","8","5","2","1") = "7"
    & skf18("3","1","5","8","5","3","1") = "7"
    & skf18("3","1","5","8","5","4","1") = "7"
    & skf18("3","1","5","8","5","5","1") = "7"
    & skf18("3","1","5","8","5","6","1") = "7"
    & skf18("3","1","5","8","5","7","1") = "7"
    & skf18("3","1","5","8","5","8","1") = "7"
    & skf18("3","1","5","8","5","9","1") = "8"
    & skf18("3","1","5","8","5","10","1") = "9"
    & skf18("3","1","5","8","6","1","1") = "7"
    & skf18("3","1","5","8","6","2","1") = "7"
    & skf18("3","1","5","8","6","3","1") = "7"
    & skf18("3","1","5","8","6","4","1") = "7"
    & skf18("3","1","5","8","6","5","1") = "7"
    & skf18("3","1","5","8","6","6","1") = "7"
    & skf18("3","1","5","8","6","7","1") = "7"
    & skf18("3","1","5","8","6","8","1") = "7"
    & skf18("3","1","5","8","6","9","1") = "8"
    & skf18("3","1","5","8","6","10","1") = "9"
    & skf18("3","1","5","8","7","1","1") = "7"
    & skf18("3","1","5","8","7","2","1") = "7"
    & skf18("3","1","5","8","7","3","1") = "7"
    & skf18("3","1","5","8","7","4","1") = "7"
    & skf18("3","1","5","8","7","5","1") = "7"
    & skf18("3","1","5","8","7","6","1") = "7"
    & skf18("3","1","5","8","7","7","1") = "7"
    & skf18("3","1","5","8","7","8","1") = "7"
    & skf18("3","1","5","8","7","9","1") = "8"
    & skf18("3","1","5","8","7","10","1") = "9"
    & skf18("3","1","5","8","8","1","1") = "7"
    & skf18("3","1","5","8","8","2","1") = "7"
    & skf18("3","1","5","8","8","3","1") = "7"
    & skf18("3","1","5","8","8","4","1") = "7"
    & skf18("3","1","5","8","8","5","1") = "7"
    & skf18("3","1","5","8","8","6","1") = "7"
    & skf18("3","1","5","8","8","7","1") = "7"
    & skf18("3","1","5","8","8","8","1") = "7"
    & skf18("3","1","5","8","8","9","1") = "8"
    & skf18("3","1","5","8","8","10","1") = "9"
    & skf18("3","1","5","8","9","1","1") = "8"
    & skf18("3","1","5","8","9","2","1") = "8"
    & skf18("3","1","5","8","9","3","1") = "8"
    & skf18("3","1","5","8","9","4","1") = "8"
    & skf18("3","1","5","8","9","5","1") = "8"
    & skf18("3","1","5","8","9","6","1") = "8"
    & skf18("3","1","5","8","9","7","1") = "8"
    & skf18("3","1","5","8","9","8","1") = "8"
    & skf18("3","1","5","8","9","9","1") = "8"
    & skf18("3","1","5","8","9","10","1") = "9"
    & skf18("3","1","5","8","10","1","1") = "9"
    & skf18("3","1","5","8","10","2","1") = "9"
    & skf18("3","1","5","8","10","3","1") = "9"
    & skf18("3","1","5","8","10","4","1") = "9"
    & skf18("3","1","5","8","10","5","1") = "9"
    & skf18("3","1","5","8","10","6","1") = "9"
    & skf18("3","1","5","8","10","7","1") = "9"
    & skf18("3","1","5","8","10","8","1") = "9"
    & skf18("3","1","5","8","10","9","1") = "9"
    & skf18("3","1","5","8","10","10","1") = "9"
    & skf18("3","1","5","9","1","1","1") = "8"
    & skf18("3","1","5","9","1","2","1") = "8"
    & skf18("3","1","5","9","1","3","1") = "8"
    & skf18("3","1","5","9","1","4","1") = "8"
    & skf18("3","1","5","9","1","5","1") = "8"
    & skf18("3","1","5","9","1","6","1") = "8"
    & skf18("3","1","5","9","1","7","1") = "8"
    & skf18("3","1","5","9","1","8","1") = "8"
    & skf18("3","1","5","9","1","9","1") = "8"
    & skf18("3","1","5","9","1","10","1") = "9"
    & skf18("3","1","5","9","2","1","1") = "8"
    & skf18("3","1","5","9","2","2","1") = "8"
    & skf18("3","1","5","9","2","3","1") = "8"
    & skf18("3","1","5","9","2","4","1") = "8"
    & skf18("3","1","5","9","2","5","1") = "8"
    & skf18("3","1","5","9","2","6","1") = "8"
    & skf18("3","1","5","9","2","7","1") = "8"
    & skf18("3","1","5","9","2","8","1") = "8"
    & skf18("3","1","5","9","2","9","1") = "8"
    & skf18("3","1","5","9","2","10","1") = "9"
    & skf18("3","1","5","9","3","1","1") = "8"
    & skf18("3","1","5","9","3","2","1") = "8"
    & skf18("3","1","5","9","3","3","1") = "8"
    & skf18("3","1","5","9","3","4","1") = "8"
    & skf18("3","1","5","9","3","5","1") = "8"
    & skf18("3","1","5","9","3","6","1") = "8"
    & skf18("3","1","5","9","3","7","1") = "8"
    & skf18("3","1","5","9","3","8","1") = "8"
    & skf18("3","1","5","9","3","9","1") = "8"
    & skf18("3","1","5","9","3","10","1") = "9"
    & skf18("3","1","5","9","4","1","1") = "8"
    & skf18("3","1","5","9","4","2","1") = "8"
    & skf18("3","1","5","9","4","3","1") = "8"
    & skf18("3","1","5","9","4","4","1") = "8"
    & skf18("3","1","5","9","4","5","1") = "8"
    & skf18("3","1","5","9","4","6","1") = "8"
    & skf18("3","1","5","9","4","7","1") = "8"
    & skf18("3","1","5","9","4","8","1") = "8"
    & skf18("3","1","5","9","4","9","1") = "8"
    & skf18("3","1","5","9","4","10","1") = "9"
    & skf18("3","1","5","9","5","1","1") = "8"
    & skf18("3","1","5","9","5","2","1") = "8"
    & skf18("3","1","5","9","5","3","1") = "8"
    & skf18("3","1","5","9","5","4","1") = "8"
    & skf18("3","1","5","9","5","5","1") = "8"
    & skf18("3","1","5","9","5","6","1") = "8"
    & skf18("3","1","5","9","5","7","1") = "8"
    & skf18("3","1","5","9","5","8","1") = "8"
    & skf18("3","1","5","9","5","9","1") = "8"
    & skf18("3","1","5","9","5","10","1") = "9"
    & skf18("3","1","5","9","6","1","1") = "8"
    & skf18("3","1","5","9","6","2","1") = "8"
    & skf18("3","1","5","9","6","3","1") = "8"
    & skf18("3","1","5","9","6","4","1") = "8"
    & skf18("3","1","5","9","6","5","1") = "8"
    & skf18("3","1","5","9","6","6","1") = "8"
    & skf18("3","1","5","9","6","7","1") = "8"
    & skf18("3","1","5","9","6","8","1") = "8"
    & skf18("3","1","5","9","6","9","1") = "8"
    & skf18("3","1","5","9","6","10","1") = "9"
    & skf18("3","1","5","9","7","1","1") = "8"
    & skf18("3","1","5","9","7","2","1") = "8"
    & skf18("3","1","5","9","7","3","1") = "8"
    & skf18("3","1","5","9","7","4","1") = "8"
    & skf18("3","1","5","9","7","5","1") = "8"
    & skf18("3","1","5","9","7","6","1") = "8"
    & skf18("3","1","5","9","7","7","1") = "8"
    & skf18("3","1","5","9","7","8","1") = "8"
    & skf18("3","1","5","9","7","9","1") = "8"
    & skf18("3","1","5","9","7","10","1") = "9"
    & skf18("3","1","5","9","8","1","1") = "8"
    & skf18("3","1","5","9","8","2","1") = "8"
    & skf18("3","1","5","9","8","3","1") = "8"
    & skf18("3","1","5","9","8","4","1") = "8"
    & skf18("3","1","5","9","8","5","1") = "8"
    & skf18("3","1","5","9","8","6","1") = "8"
    & skf18("3","1","5","9","8","7","1") = "8"
    & skf18("3","1","5","9","8","8","1") = "8"
    & skf18("3","1","5","9","8","9","1") = "8"
    & skf18("3","1","5","9","8","10","1") = "9"
    & skf18("3","1","5","9","9","1","1") = "8"
    & skf18("3","1","5","9","9","2","1") = "8"
    & skf18("3","1","5","9","9","3","1") = "8"
    & skf18("3","1","5","9","9","4","1") = "8"
    & skf18("3","1","5","9","9","5","1") = "8"
    & skf18("3","1","5","9","9","6","1") = "8"
    & skf18("3","1","5","9","9","7","1") = "8"
    & skf18("3","1","5","9","9","8","1") = "8"
    & skf18("3","1","5","9","9","9","1") = "8"
    & skf18("3","1","5","9","9","10","1") = "9"
    & skf18("3","1","5","9","10","1","1") = "9"
    & skf18("3","1","5","9","10","2","1") = "9"
    & skf18("3","1","5","9","10","3","1") = "9"
    & skf18("3","1","5","9","10","4","1") = "9"
    & skf18("3","1","5","9","10","5","1") = "9"
    & skf18("3","1","5","9","10","6","1") = "9"
    & skf18("3","1","5","9","10","7","1") = "9"
    & skf18("3","1","5","9","10","8","1") = "9"
    & skf18("3","1","5","9","10","9","1") = "9"
    & skf18("3","1","5","9","10","10","1") = "9"
    & skf18("3","1","5","10","1","1","1") = "9"
    & skf18("3","1","5","10","1","2","1") = "9"
    & skf18("3","1","5","10","1","3","1") = "9"
    & skf18("3","1","5","10","1","4","1") = "9"
    & skf18("3","1","5","10","1","5","1") = "9"
    & skf18("3","1","5","10","1","6","1") = "9"
    & skf18("3","1","5","10","1","7","1") = "9"
    & skf18("3","1","5","10","1","8","1") = "9"
    & skf18("3","1","5","10","1","9","1") = "9"
    & skf18("3","1","5","10","1","10","1") = "9"
    & skf18("3","1","5","10","2","1","1") = "9"
    & skf18("3","1","5","10","2","2","1") = "9"
    & skf18("3","1","5","10","2","3","1") = "9"
    & skf18("3","1","5","10","2","4","1") = "9"
    & skf18("3","1","5","10","2","5","1") = "9"
    & skf18("3","1","5","10","2","6","1") = "9"
    & skf18("3","1","5","10","2","7","1") = "9"
    & skf18("3","1","5","10","2","8","1") = "9"
    & skf18("3","1","5","10","2","9","1") = "9"
    & skf18("3","1","5","10","2","10","1") = "9"
    & skf18("3","1","5","10","3","1","1") = "9"
    & skf18("3","1","5","10","3","2","1") = "9"
    & skf18("3","1","5","10","3","3","1") = "9"
    & skf18("3","1","5","10","3","4","1") = "9"
    & skf18("3","1","5","10","3","5","1") = "9"
    & skf18("3","1","5","10","3","6","1") = "9"
    & skf18("3","1","5","10","3","7","1") = "9"
    & skf18("3","1","5","10","3","8","1") = "9"
    & skf18("3","1","5","10","3","9","1") = "9"
    & skf18("3","1","5","10","3","10","1") = "9"
    & skf18("3","1","5","10","4","1","1") = "9"
    & skf18("3","1","5","10","4","2","1") = "9"
    & skf18("3","1","5","10","4","3","1") = "9"
    & skf18("3","1","5","10","4","4","1") = "9"
    & skf18("3","1","5","10","4","5","1") = "9"
    & skf18("3","1","5","10","4","6","1") = "9"
    & skf18("3","1","5","10","4","7","1") = "9"
    & skf18("3","1","5","10","4","8","1") = "9"
    & skf18("3","1","5","10","4","9","1") = "9"
    & skf18("3","1","5","10","4","10","1") = "9"
    & skf18("3","1","5","10","5","1","1") = "9"
    & skf18("3","1","5","10","5","2","1") = "9"
    & skf18("3","1","5","10","5","3","1") = "9"
    & skf18("3","1","5","10","5","4","1") = "9"
    & skf18("3","1","5","10","5","5","1") = "9"
    & skf18("3","1","5","10","5","6","1") = "9"
    & skf18("3","1","5","10","5","7","1") = "9"
    & skf18("3","1","5","10","5","8","1") = "9"
    & skf18("3","1","5","10","5","9","1") = "9"
    & skf18("3","1","5","10","5","10","1") = "9"
    & skf18("3","1","5","10","6","1","1") = "9"
    & skf18("3","1","5","10","6","2","1") = "9"
    & skf18("3","1","5","10","6","3","1") = "9"
    & skf18("3","1","5","10","6","4","1") = "9"
    & skf18("3","1","5","10","6","5","1") = "9"
    & skf18("3","1","5","10","6","6","1") = "9"
    & skf18("3","1","5","10","6","7","1") = "9"
    & skf18("3","1","5","10","6","8","1") = "9"
    & skf18("3","1","5","10","6","9","1") = "9"
    & skf18("3","1","5","10","6","10","1") = "9"
    & skf18("3","1","5","10","7","1","1") = "9"
    & skf18("3","1","5","10","7","2","1") = "9"
    & skf18("3","1","5","10","7","3","1") = "9"
    & skf18("3","1","5","10","7","4","1") = "9"
    & skf18("3","1","5","10","7","5","1") = "9"
    & skf18("3","1","5","10","7","6","1") = "9"
    & skf18("3","1","5","10","7","7","1") = "9"
    & skf18("3","1","5","10","7","8","1") = "9"
    & skf18("3","1","5","10","7","9","1") = "9"
    & skf18("3","1","5","10","7","10","1") = "9"
    & skf18("3","1","5","10","8","1","1") = "9"
    & skf18("3","1","5","10","8","2","1") = "9"
    & skf18("3","1","5","10","8","3","1") = "9"
    & skf18("3","1","5","10","8","4","1") = "9"
    & skf18("3","1","5","10","8","5","1") = "9"
    & skf18("3","1","5","10","8","6","1") = "9"
    & skf18("3","1","5","10","8","7","1") = "9"
    & skf18("3","1","5","10","8","8","1") = "9"
    & skf18("3","1","5","10","8","9","1") = "9"
    & skf18("3","1","5","10","8","10","1") = "9"
    & skf18("3","1","5","10","9","1","1") = "9"
    & skf18("3","1","5","10","9","2","1") = "9"
    & skf18("3","1","5","10","9","3","1") = "9"
    & skf18("3","1","5","10","9","4","1") = "9"
    & skf18("3","1","5","10","9","5","1") = "9"
    & skf18("3","1","5","10","9","6","1") = "9"
    & skf18("3","1","5","10","9","7","1") = "9"
    & skf18("3","1","5","10","9","8","1") = "9"
    & skf18("3","1","5","10","9","9","1") = "9"
    & skf18("3","1","5","10","9","10","1") = "9"
    & skf18("3","1","5","10","10","1","1") = "9"
    & skf18("3","1","5","10","10","2","1") = "9"
    & skf18("3","1","5","10","10","3","1") = "9"
    & skf18("3","1","5","10","10","4","1") = "9"
    & skf18("3","1","5","10","10","5","1") = "9"
    & skf18("3","1","5","10","10","6","1") = "9"
    & skf18("3","1","5","10","10","7","1") = "9"
    & skf18("3","1","5","10","10","8","1") = "9"
    & skf18("3","1","5","10","10","9","1") = "9"
    & skf18("3","1","5","10","10","10","1") = "9"
    & skf18("3","1","6","1","1","1","1") = "5"
    & skf18("3","1","6","1","1","2","1") = "5"
    & skf18("3","1","6","1","1","3","1") = "5"
    & skf18("3","1","6","1","1","4","1") = "5"
    & skf18("3","1","6","1","1","5","1") = "5"
    & skf18("3","1","6","1","1","6","1") = "5"
    & skf18("3","1","6","1","1","7","1") = "6"
    & skf18("3","1","6","1","1","8","1") = "7"
    & skf18("3","1","6","1","1","9","1") = "8"
    & skf18("3","1","6","1","1","10","1") = "9"
    & skf18("3","1","6","1","2","1","1") = "5"
    & skf18("3","1","6","1","2","2","1") = "5"
    & skf18("3","1","6","1","2","3","1") = "5"
    & skf18("3","1","6","1","2","4","1") = "5"
    & skf18("3","1","6","1","2","5","1") = "5"
    & skf18("3","1","6","1","2","6","1") = "5"
    & skf18("3","1","6","1","2","7","1") = "6"
    & skf18("3","1","6","1","2","8","1") = "7"
    & skf18("3","1","6","1","2","9","1") = "8"
    & skf18("3","1","6","1","2","10","1") = "9"
    & skf18("3","1","6","1","3","1","1") = "5"
    & skf18("3","1","6","1","3","2","1") = "5"
    & skf18("3","1","6","1","3","3","1") = "5"
    & skf18("3","1","6","1","3","4","1") = "5"
    & skf18("3","1","6","1","3","5","1") = "5"
    & skf18("3","1","6","1","3","6","1") = "5"
    & skf18("3","1","6","1","3","7","1") = "6"
    & skf18("3","1","6","1","3","8","1") = "7"
    & skf18("3","1","6","1","3","9","1") = "8"
    & skf18("3","1","6","1","3","10","1") = "9"
    & skf18("3","1","6","1","4","1","1") = "5"
    & skf18("3","1","6","1","4","2","1") = "5"
    & skf18("3","1","6","1","4","3","1") = "5"
    & skf18("3","1","6","1","4","4","1") = "5"
    & skf18("3","1","6","1","4","5","1") = "5"
    & skf18("3","1","6","1","4","6","1") = "5"
    & skf18("3","1","6","1","4","7","1") = "6"
    & skf18("3","1","6","1","4","8","1") = "7"
    & skf18("3","1","6","1","4","9","1") = "8"
    & skf18("3","1","6","1","4","10","1") = "9"
    & skf18("3","1","6","1","5","1","1") = "5"
    & skf18("3","1","6","1","5","2","1") = "5"
    & skf18("3","1","6","1","5","3","1") = "5"
    & skf18("3","1","6","1","5","4","1") = "5"
    & skf18("3","1","6","1","5","5","1") = "5"
    & skf18("3","1","6","1","5","6","1") = "5"
    & skf18("3","1","6","1","5","7","1") = "6"
    & skf18("3","1","6","1","5","8","1") = "7"
    & skf18("3","1","6","1","5","9","1") = "8"
    & skf18("3","1","6","1","5","10","1") = "9"
    & skf18("3","1","6","1","6","1","1") = "5"
    & skf18("3","1","6","1","6","2","1") = "5"
    & skf18("3","1","6","1","6","3","1") = "5"
    & skf18("3","1","6","1","6","4","1") = "5"
    & skf18("3","1","6","1","6","5","1") = "5"
    & skf18("3","1","6","1","6","6","1") = "5"
    & skf18("3","1","6","1","6","7","1") = "6"
    & skf18("3","1","6","1","6","8","1") = "7"
    & skf18("3","1","6","1","6","9","1") = "8"
    & skf18("3","1","6","1","6","10","1") = "9"
    & skf18("3","1","6","1","7","1","1") = "6"
    & skf18("3","1","6","1","7","2","1") = "6"
    & skf18("3","1","6","1","7","3","1") = "6"
    & skf18("3","1","6","1","7","4","1") = "6"
    & skf18("3","1","6","1","7","5","1") = "6"
    & skf18("3","1","6","1","7","6","1") = "6"
    & skf18("3","1","6","1","7","7","1") = "6"
    & skf18("3","1","6","1","7","8","1") = "7"
    & skf18("3","1","6","1","7","9","1") = "8"
    & skf18("3","1","6","1","7","10","1") = "9"
    & skf18("3","1","6","1","8","1","1") = "7"
    & skf18("3","1","6","1","8","2","1") = "7"
    & skf18("3","1","6","1","8","3","1") = "7"
    & skf18("3","1","6","1","8","4","1") = "7"
    & skf18("3","1","6","1","8","5","1") = "7"
    & skf18("3","1","6","1","8","6","1") = "7"
    & skf18("3","1","6","1","8","7","1") = "7"
    & skf18("3","1","6","1","8","8","1") = "7"
    & skf18("3","1","6","1","8","9","1") = "8"
    & skf18("3","1","6","1","8","10","1") = "9"
    & skf18("3","1","6","1","9","1","1") = "8"
    & skf18("3","1","6","1","9","2","1") = "8"
    & skf18("3","1","6","1","9","3","1") = "8"
    & skf18("3","1","6","1","9","4","1") = "8"
    & skf18("3","1","6","1","9","5","1") = "8"
    & skf18("3","1","6","1","9","6","1") = "8"
    & skf18("3","1","6","1","9","7","1") = "8"
    & skf18("3","1","6","1","9","8","1") = "8"
    & skf18("3","1","6","1","9","9","1") = "8"
    & skf18("3","1","6","1","9","10","1") = "9"
    & skf18("3","1","6","1","10","1","1") = "9"
    & skf18("3","1","6","1","10","2","1") = "9"
    & skf18("3","1","6","1","10","3","1") = "9"
    & skf18("3","1","6","1","10","4","1") = "9"
    & skf18("3","1","6","1","10","5","1") = "9"
    & skf18("3","1","6","1","10","6","1") = "9"
    & skf18("3","1","6","1","10","7","1") = "9"
    & skf18("3","1","6","1","10","8","1") = "9"
    & skf18("3","1","6","1","10","9","1") = "9"
    & skf18("3","1","6","1","10","10","1") = "9"
    & skf18("3","1","6","2","1","1","1") = "5"
    & skf18("3","1","6","2","1","2","1") = "5"
    & skf18("3","1","6","2","1","3","1") = "5"
    & skf18("3","1","6","2","1","4","1") = "5"
    & skf18("3","1","6","2","1","5","1") = "5"
    & skf18("3","1","6","2","1","6","1") = "5"
    & skf18("3","1","6","2","1","7","1") = "6"
    & skf18("3","1","6","2","1","8","1") = "7"
    & skf18("3","1","6","2","1","9","1") = "8"
    & skf18("3","1","6","2","1","10","1") = "9"
    & skf18("3","1","6","2","2","1","1") = "5"
    & skf18("3","1","6","2","2","2","1") = "5"
    & skf18("3","1","6","2","2","3","1") = "5"
    & skf18("3","1","6","2","2","4","1") = "5"
    & skf18("3","1","6","2","2","5","1") = "5"
    & skf18("3","1","6","2","2","6","1") = "5"
    & skf18("3","1","6","2","2","7","1") = "6"
    & skf18("3","1","6","2","2","8","1") = "7"
    & skf18("3","1","6","2","2","9","1") = "8"
    & skf18("3","1","6","2","2","10","1") = "9"
    & skf18("3","1","6","2","3","1","1") = "5"
    & skf18("3","1","6","2","3","2","1") = "5"
    & skf18("3","1","6","2","3","3","1") = "5"
    & skf18("3","1","6","2","3","4","1") = "5"
    & skf18("3","1","6","2","3","5","1") = "5"
    & skf18("3","1","6","2","3","6","1") = "5"
    & skf18("3","1","6","2","3","7","1") = "6"
    & skf18("3","1","6","2","3","8","1") = "7"
    & skf18("3","1","6","2","3","9","1") = "8"
    & skf18("3","1","6","2","3","10","1") = "9"
    & skf18("3","1","6","2","4","1","1") = "5"
    & skf18("3","1","6","2","4","2","1") = "5"
    & skf18("3","1","6","2","4","3","1") = "5"
    & skf18("3","1","6","2","4","4","1") = "5"
    & skf18("3","1","6","2","4","5","1") = "5"
    & skf18("3","1","6","2","4","6","1") = "5"
    & skf18("3","1","6","2","4","7","1") = "6"
    & skf18("3","1","6","2","4","8","1") = "7"
    & skf18("3","1","6","2","4","9","1") = "8"
    & skf18("3","1","6","2","4","10","1") = "9"
    & skf18("3","1","6","2","5","1","1") = "5"
    & skf18("3","1","6","2","5","2","1") = "5"
    & skf18("3","1","6","2","5","3","1") = "5"
    & skf18("3","1","6","2","5","4","1") = "5"
    & skf18("3","1","6","2","5","5","1") = "5"
    & skf18("3","1","6","2","5","6","1") = "5"
    & skf18("3","1","6","2","5","7","1") = "6"
    & skf18("3","1","6","2","5","8","1") = "7"
    & skf18("3","1","6","2","5","9","1") = "8"
    & skf18("3","1","6","2","5","10","1") = "9"
    & skf18("3","1","6","2","6","1","1") = "5"
    & skf18("3","1","6","2","6","2","1") = "5"
    & skf18("3","1","6","2","6","3","1") = "5"
    & skf18("3","1","6","2","6","4","1") = "5"
    & skf18("3","1","6","2","6","5","1") = "5"
    & skf18("3","1","6","2","6","6","1") = "5"
    & skf18("3","1","6","2","6","7","1") = "6"
    & skf18("3","1","6","2","6","8","1") = "7"
    & skf18("3","1","6","2","6","9","1") = "8"
    & skf18("3","1","6","2","6","10","1") = "9"
    & skf18("3","1","6","2","7","1","1") = "6"
    & skf18("3","1","6","2","7","2","1") = "6"
    & skf18("3","1","6","2","7","3","1") = "6"
    & skf18("3","1","6","2","7","4","1") = "6"
    & skf18("3","1","6","2","7","5","1") = "6"
    & skf18("3","1","6","2","7","6","1") = "6"
    & skf18("3","1","6","2","7","7","1") = "6"
    & skf18("3","1","6","2","7","8","1") = "7"
    & skf18("3","1","6","2","7","9","1") = "8"
    & skf18("3","1","6","2","7","10","1") = "9"
    & skf18("3","1","6","2","8","1","1") = "7"
    & skf18("3","1","6","2","8","2","1") = "7"
    & skf18("3","1","6","2","8","3","1") = "7"
    & skf18("3","1","6","2","8","4","1") = "7"
    & skf18("3","1","6","2","8","5","1") = "7"
    & skf18("3","1","6","2","8","6","1") = "7"
    & skf18("3","1","6","2","8","7","1") = "7"
    & skf18("3","1","6","2","8","8","1") = "7"
    & skf18("3","1","6","2","8","9","1") = "8"
    & skf18("3","1","6","2","8","10","1") = "9"
    & skf18("3","1","6","2","9","1","1") = "8"
    & skf18("3","1","6","2","9","2","1") = "8"
    & skf18("3","1","6","2","9","3","1") = "8"
    & skf18("3","1","6","2","9","4","1") = "8"
    & skf18("3","1","6","2","9","5","1") = "8"
    & skf18("3","1","6","2","9","6","1") = "8"
    & skf18("3","1","6","2","9","7","1") = "8"
    & skf18("3","1","6","2","9","8","1") = "8"
    & skf18("3","1","6","2","9","9","1") = "8"
    & skf18("3","1","6","2","9","10","1") = "9"
    & skf18("3","1","6","2","10","1","1") = "9"
    & skf18("3","1","6","2","10","2","1") = "9"
    & skf18("3","1","6","2","10","3","1") = "9"
    & skf18("3","1","6","2","10","4","1") = "9"
    & skf18("3","1","6","2","10","5","1") = "9"
    & skf18("3","1","6","2","10","6","1") = "9"
    & skf18("3","1","6","2","10","7","1") = "9"
    & skf18("3","1","6","2","10","8","1") = "9"
    & skf18("3","1","6","2","10","9","1") = "9"
    & skf18("3","1","6","2","10","10","1") = "9"
    & skf18("3","1","6","3","1","1","1") = "5"
    & skf18("3","1","6","3","1","2","1") = "5"
    & skf18("3","1","6","3","1","3","1") = "5"
    & skf18("3","1","6","3","1","4","1") = "5"
    & skf18("3","1","6","3","1","5","1") = "5"
    & skf18("3","1","6","3","1","6","1") = "5"
    & skf18("3","1","6","3","1","7","1") = "6"
    & skf18("3","1","6","3","1","8","1") = "7"
    & skf18("3","1","6","3","1","9","1") = "8"
    & skf18("3","1","6","3","1","10","1") = "9"
    & skf18("3","1","6","3","2","1","1") = "5"
    & skf18("3","1","6","3","2","2","1") = "5"
    & skf18("3","1","6","3","2","3","1") = "5"
    & skf18("3","1","6","3","2","4","1") = "5"
    & skf18("3","1","6","3","2","5","1") = "5"
    & skf18("3","1","6","3","2","6","1") = "5"
    & skf18("3","1","6","3","2","7","1") = "6"
    & skf18("3","1","6","3","2","8","1") = "7"
    & skf18("3","1","6","3","2","9","1") = "8"
    & skf18("3","1","6","3","2","10","1") = "9"
    & skf18("3","1","6","3","3","1","1") = "5"
    & skf18("3","1","6","3","3","2","1") = "5"
    & skf18("3","1","6","3","3","3","1") = "5"
    & skf18("3","1","6","3","3","4","1") = "5"
    & skf18("3","1","6","3","3","5","1") = "5"
    & skf18("3","1","6","3","3","6","1") = "5"
    & skf18("3","1","6","3","3","7","1") = "6"
    & skf18("3","1","6","3","3","8","1") = "7"
    & skf18("3","1","6","3","3","9","1") = "8"
    & skf18("3","1","6","3","3","10","1") = "9"
    & skf18("3","1","6","3","4","1","1") = "5"
    & skf18("3","1","6","3","4","2","1") = "5"
    & skf18("3","1","6","3","4","3","1") = "5"
    & skf18("3","1","6","3","4","4","1") = "5"
    & skf18("3","1","6","3","4","5","1") = "5"
    & skf18("3","1","6","3","4","6","1") = "5"
    & skf18("3","1","6","3","4","7","1") = "6"
    & skf18("3","1","6","3","4","8","1") = "7"
    & skf18("3","1","6","3","4","9","1") = "8"
    & skf18("3","1","6","3","4","10","1") = "9"
    & skf18("3","1","6","3","5","1","1") = "5"
    & skf18("3","1","6","3","5","2","1") = "5"
    & skf18("3","1","6","3","5","3","1") = "5"
    & skf18("3","1","6","3","5","4","1") = "5"
    & skf18("3","1","6","3","5","5","1") = "5"
    & skf18("3","1","6","3","5","6","1") = "5"
    & skf18("3","1","6","3","5","7","1") = "6"
    & skf18("3","1","6","3","5","8","1") = "7"
    & skf18("3","1","6","3","5","9","1") = "8"
    & skf18("3","1","6","3","5","10","1") = "9"
    & skf18("3","1","6","3","6","1","1") = "5"
    & skf18("3","1","6","3","6","2","1") = "5"
    & skf18("3","1","6","3","6","3","1") = "5"
    & skf18("3","1","6","3","6","4","1") = "5"
    & skf18("3","1","6","3","6","5","1") = "5"
    & skf18("3","1","6","3","6","6","1") = "5"
    & skf18("3","1","6","3","6","7","1") = "6"
    & skf18("3","1","6","3","6","8","1") = "7"
    & skf18("3","1","6","3","6","9","1") = "8"
    & skf18("3","1","6","3","6","10","1") = "9"
    & skf18("3","1","6","3","7","1","1") = "6"
    & skf18("3","1","6","3","7","2","1") = "6"
    & skf18("3","1","6","3","7","3","1") = "6"
    & skf18("3","1","6","3","7","4","1") = "6"
    & skf18("3","1","6","3","7","5","1") = "6"
    & skf18("3","1","6","3","7","6","1") = "6"
    & skf18("3","1","6","3","7","7","1") = "6"
    & skf18("3","1","6","3","7","8","1") = "7"
    & skf18("3","1","6","3","7","9","1") = "8"
    & skf18("3","1","6","3","7","10","1") = "9"
    & skf18("3","1","6","3","8","1","1") = "7"
    & skf18("3","1","6","3","8","2","1") = "7"
    & skf18("3","1","6","3","8","3","1") = "7"
    & skf18("3","1","6","3","8","4","1") = "7"
    & skf18("3","1","6","3","8","5","1") = "7"
    & skf18("3","1","6","3","8","6","1") = "7"
    & skf18("3","1","6","3","8","7","1") = "7"
    & skf18("3","1","6","3","8","8","1") = "7"
    & skf18("3","1","6","3","8","9","1") = "8"
    & skf18("3","1","6","3","8","10","1") = "9"
    & skf18("3","1","6","3","9","1","1") = "8"
    & skf18("3","1","6","3","9","2","1") = "8"
    & skf18("3","1","6","3","9","3","1") = "8"
    & skf18("3","1","6","3","9","4","1") = "8"
    & skf18("3","1","6","3","9","5","1") = "8"
    & skf18("3","1","6","3","9","6","1") = "8"
    & skf18("3","1","6","3","9","7","1") = "8"
    & skf18("3","1","6","3","9","8","1") = "8"
    & skf18("3","1","6","3","9","9","1") = "8"
    & skf18("3","1","6","3","9","10","1") = "9"
    & skf18("3","1","6","3","10","1","1") = "9"
    & skf18("3","1","6","3","10","2","1") = "9"
    & skf18("3","1","6","3","10","3","1") = "9"
    & skf18("3","1","6","3","10","4","1") = "9"
    & skf18("3","1","6","3","10","5","1") = "9"
    & skf18("3","1","6","3","10","6","1") = "9"
    & skf18("3","1","6","3","10","7","1") = "9"
    & skf18("3","1","6","3","10","8","1") = "9"
    & skf18("3","1","6","3","10","9","1") = "9"
    & skf18("3","1","6","3","10","10","1") = "9"
    & skf18("3","1","6","4","1","1","1") = "5"
    & skf18("3","1","6","4","1","2","1") = "5"
    & skf18("3","1","6","4","1","3","1") = "5"
    & skf18("3","1","6","4","1","4","1") = "5"
    & skf18("3","1","6","4","1","5","1") = "5"
    & skf18("3","1","6","4","1","6","1") = "5"
    & skf18("3","1","6","4","1","7","1") = "6"
    & skf18("3","1","6","4","1","8","1") = "7"
    & skf18("3","1","6","4","1","9","1") = "8"
    & skf18("3","1","6","4","1","10","1") = "9"
    & skf18("3","1","6","4","2","1","1") = "5"
    & skf18("3","1","6","4","2","2","1") = "5"
    & skf18("3","1","6","4","2","3","1") = "5"
    & skf18("3","1","6","4","2","4","1") = "5"
    & skf18("3","1","6","4","2","5","1") = "5"
    & skf18("3","1","6","4","2","6","1") = "5"
    & skf18("3","1","6","4","2","7","1") = "6"
    & skf18("3","1","6","4","2","8","1") = "7"
    & skf18("3","1","6","4","2","9","1") = "8"
    & skf18("3","1","6","4","2","10","1") = "9"
    & skf18("3","1","6","4","3","1","1") = "5"
    & skf18("3","1","6","4","3","2","1") = "5"
    & skf18("3","1","6","4","3","3","1") = "5"
    & skf18("3","1","6","4","3","4","1") = "5"
    & skf18("3","1","6","4","3","5","1") = "5"
    & skf18("3","1","6","4","3","6","1") = "5"
    & skf18("3","1","6","4","3","7","1") = "6"
    & skf18("3","1","6","4","3","8","1") = "7"
    & skf18("3","1","6","4","3","9","1") = "8"
    & skf18("3","1","6","4","3","10","1") = "9"
    & skf18("3","1","6","4","4","1","1") = "5"
    & skf18("3","1","6","4","4","2","1") = "5"
    & skf18("3","1","6","4","4","3","1") = "5"
    & skf18("3","1","6","4","4","4","1") = "5"
    & skf18("3","1","6","4","4","5","1") = "5"
    & skf18("3","1","6","4","4","6","1") = "5"
    & skf18("3","1","6","4","4","7","1") = "6"
    & skf18("3","1","6","4","4","8","1") = "7"
    & skf18("3","1","6","4","4","9","1") = "8"
    & skf18("3","1","6","4","4","10","1") = "9"
    & skf18("3","1","6","4","5","1","1") = "5"
    & skf18("3","1","6","4","5","2","1") = "5"
    & skf18("3","1","6","4","5","3","1") = "5"
    & skf18("3","1","6","4","5","4","1") = "5"
    & skf18("3","1","6","4","5","5","1") = "5"
    & skf18("3","1","6","4","5","6","1") = "5"
    & skf18("3","1","6","4","5","7","1") = "6"
    & skf18("3","1","6","4","5","8","1") = "7"
    & skf18("3","1","6","4","5","9","1") = "8"
    & skf18("3","1","6","4","5","10","1") = "9"
    & skf18("3","1","6","4","6","1","1") = "5"
    & skf18("3","1","6","4","6","2","1") = "5"
    & skf18("3","1","6","4","6","3","1") = "5"
    & skf18("3","1","6","4","6","4","1") = "5"
    & skf18("3","1","6","4","6","5","1") = "5"
    & skf18("3","1","6","4","6","6","1") = "5"
    & skf18("3","1","6","4","6","7","1") = "6"
    & skf18("3","1","6","4","6","8","1") = "7"
    & skf18("3","1","6","4","6","9","1") = "8"
    & skf18("3","1","6","4","6","10","1") = "9"
    & skf18("3","1","6","4","7","1","1") = "6"
    & skf18("3","1","6","4","7","2","1") = "6"
    & skf18("3","1","6","4","7","3","1") = "6"
    & skf18("3","1","6","4","7","4","1") = "6"
    & skf18("3","1","6","4","7","5","1") = "6"
    & skf18("3","1","6","4","7","6","1") = "6"
    & skf18("3","1","6","4","7","7","1") = "6"
    & skf18("3","1","6","4","7","8","1") = "7"
    & skf18("3","1","6","4","7","9","1") = "8"
    & skf18("3","1","6","4","7","10","1") = "9"
    & skf18("3","1","6","4","8","1","1") = "7"
    & skf18("3","1","6","4","8","2","1") = "7"
    & skf18("3","1","6","4","8","3","1") = "7"
    & skf18("3","1","6","4","8","4","1") = "7"
    & skf18("3","1","6","4","8","5","1") = "7"
    & skf18("3","1","6","4","8","6","1") = "7"
    & skf18("3","1","6","4","8","7","1") = "7"
    & skf18("3","1","6","4","8","8","1") = "7"
    & skf18("3","1","6","4","8","9","1") = "8"
    & skf18("3","1","6","4","8","10","1") = "9"
    & skf18("3","1","6","4","9","1","1") = "8"
    & skf18("3","1","6","4","9","2","1") = "8"
    & skf18("3","1","6","4","9","3","1") = "8"
    & skf18("3","1","6","4","9","4","1") = "8"
    & skf18("3","1","6","4","9","5","1") = "8"
    & skf18("3","1","6","4","9","6","1") = "8"
    & skf18("3","1","6","4","9","7","1") = "8"
    & skf18("3","1","6","4","9","8","1") = "8"
    & skf18("3","1","6","4","9","9","1") = "8"
    & skf18("3","1","6","4","9","10","1") = "9"
    & skf18("3","1","6","4","10","1","1") = "9"
    & skf18("3","1","6","4","10","2","1") = "9"
    & skf18("3","1","6","4","10","3","1") = "9"
    & skf18("3","1","6","4","10","4","1") = "9"
    & skf18("3","1","6","4","10","5","1") = "9"
    & skf18("3","1","6","4","10","6","1") = "9"
    & skf18("3","1","6","4","10","7","1") = "9"
    & skf18("3","1","6","4","10","8","1") = "9"
    & skf18("3","1","6","4","10","9","1") = "9"
    & skf18("3","1","6","4","10","10","1") = "9"
    & skf18("3","1","6","5","1","1","1") = "5"
    & skf18("3","1","6","5","1","2","1") = "5"
    & skf18("3","1","6","5","1","3","1") = "5"
    & skf18("3","1","6","5","1","4","1") = "5"
    & skf18("3","1","6","5","1","5","1") = "5"
    & skf18("3","1","6","5","1","6","1") = "5"
    & skf18("3","1","6","5","1","7","1") = "6"
    & skf18("3","1","6","5","1","8","1") = "7"
    & skf18("3","1","6","5","1","9","1") = "8"
    & skf18("3","1","6","5","1","10","1") = "9"
    & skf18("3","1","6","5","2","1","1") = "5"
    & skf18("3","1","6","5","2","2","1") = "5"
    & skf18("3","1","6","5","2","3","1") = "5"
    & skf18("3","1","6","5","2","4","1") = "5"
    & skf18("3","1","6","5","2","5","1") = "5"
    & skf18("3","1","6","5","2","6","1") = "5"
    & skf18("3","1","6","5","2","7","1") = "6"
    & skf18("3","1","6","5","2","8","1") = "7"
    & skf18("3","1","6","5","2","9","1") = "8"
    & skf18("3","1","6","5","2","10","1") = "9"
    & skf18("3","1","6","5","3","1","1") = "5"
    & skf18("3","1","6","5","3","2","1") = "5"
    & skf18("3","1","6","5","3","3","1") = "5"
    & skf18("3","1","6","5","3","4","1") = "5"
    & skf18("3","1","6","5","3","5","1") = "5"
    & skf18("3","1","6","5","3","6","1") = "5"
    & skf18("3","1","6","5","3","7","1") = "6"
    & skf18("3","1","6","5","3","8","1") = "7"
    & skf18("3","1","6","5","3","9","1") = "8"
    & skf18("3","1","6","5","3","10","1") = "9"
    & skf18("3","1","6","5","4","1","1") = "5"
    & skf18("3","1","6","5","4","2","1") = "5"
    & skf18("3","1","6","5","4","3","1") = "5"
    & skf18("3","1","6","5","4","4","1") = "5"
    & skf18("3","1","6","5","4","5","1") = "5"
    & skf18("3","1","6","5","4","6","1") = "5"
    & skf18("3","1","6","5","4","7","1") = "6"
    & skf18("3","1","6","5","4","8","1") = "7"
    & skf18("3","1","6","5","4","9","1") = "8"
    & skf18("3","1","6","5","4","10","1") = "9"
    & skf18("3","1","6","5","5","1","1") = "5"
    & skf18("3","1","6","5","5","2","1") = "5"
    & skf18("3","1","6","5","5","3","1") = "5"
    & skf18("3","1","6","5","5","4","1") = "5"
    & skf18("3","1","6","5","5","5","1") = "5"
    & skf18("3","1","6","5","5","6","1") = "5"
    & skf18("3","1","6","5","5","7","1") = "6"
    & skf18("3","1","6","5","5","8","1") = "7"
    & skf18("3","1","6","5","5","9","1") = "8"
    & skf18("3","1","6","5","5","10","1") = "9"
    & skf18("3","1","6","5","6","1","1") = "5"
    & skf18("3","1","6","5","6","2","1") = "5"
    & skf18("3","1","6","5","6","3","1") = "5"
    & skf18("3","1","6","5","6","4","1") = "5"
    & skf18("3","1","6","5","6","5","1") = "5"
    & skf18("3","1","6","5","6","6","1") = "5"
    & skf18("3","1","6","5","6","7","1") = "6"
    & skf18("3","1","6","5","6","8","1") = "7"
    & skf18("3","1","6","5","6","9","1") = "8"
    & skf18("3","1","6","5","6","10","1") = "9"
    & skf18("3","1","6","5","7","1","1") = "6"
    & skf18("3","1","6","5","7","2","1") = "6"
    & skf18("3","1","6","5","7","3","1") = "6"
    & skf18("3","1","6","5","7","4","1") = "6"
    & skf18("3","1","6","5","7","5","1") = "6"
    & skf18("3","1","6","5","7","6","1") = "6"
    & skf18("3","1","6","5","7","7","1") = "6"
    & skf18("3","1","6","5","7","8","1") = "7"
    & skf18("3","1","6","5","7","9","1") = "8"
    & skf18("3","1","6","5","7","10","1") = "9"
    & skf18("3","1","6","5","8","1","1") = "7"
    & skf18("3","1","6","5","8","2","1") = "7"
    & skf18("3","1","6","5","8","3","1") = "7"
    & skf18("3","1","6","5","8","4","1") = "7"
    & skf18("3","1","6","5","8","5","1") = "7"
    & skf18("3","1","6","5","8","6","1") = "7"
    & skf18("3","1","6","5","8","7","1") = "7"
    & skf18("3","1","6","5","8","8","1") = "7"
    & skf18("3","1","6","5","8","9","1") = "8"
    & skf18("3","1","6","5","8","10","1") = "9"
    & skf18("3","1","6","5","9","1","1") = "8"
    & skf18("3","1","6","5","9","2","1") = "8"
    & skf18("3","1","6","5","9","3","1") = "8"
    & skf18("3","1","6","5","9","4","1") = "8"
    & skf18("3","1","6","5","9","5","1") = "8"
    & skf18("3","1","6","5","9","6","1") = "8"
    & skf18("3","1","6","5","9","7","1") = "8"
    & skf18("3","1","6","5","9","8","1") = "8"
    & skf18("3","1","6","5","9","9","1") = "8"
    & skf18("3","1","6","5","9","10","1") = "9"
    & skf18("3","1","6","5","10","1","1") = "9"
    & skf18("3","1","6","5","10","2","1") = "9"
    & skf18("3","1","6","5","10","3","1") = "9"
    & skf18("3","1","6","5","10","4","1") = "9"
    & skf18("3","1","6","5","10","5","1") = "9"
    & skf18("3","1","6","5","10","6","1") = "9"
    & skf18("3","1","6","5","10","7","1") = "9"
    & skf18("3","1","6","5","10","8","1") = "9"
    & skf18("3","1","6","5","10","9","1") = "9"
    & skf18("3","1","6","5","10","10","1") = "9"
    & skf18("3","1","6","6","1","1","1") = "5"
    & skf18("3","1","6","6","1","2","1") = "5"
    & skf18("3","1","6","6","1","3","1") = "5"
    & skf18("3","1","6","6","1","4","1") = "5"
    & skf18("3","1","6","6","1","5","1") = "5"
    & skf18("3","1","6","6","1","6","1") = "5"
    & skf18("3","1","6","6","1","7","1") = "6"
    & skf18("3","1","6","6","1","8","1") = "7"
    & skf18("3","1","6","6","1","9","1") = "8"
    & skf18("3","1","6","6","1","10","1") = "9"
    & skf18("3","1","6","6","2","1","1") = "5"
    & skf18("3","1","6","6","2","2","1") = "5"
    & skf18("3","1","6","6","2","3","1") = "5"
    & skf18("3","1","6","6","2","4","1") = "5"
    & skf18("3","1","6","6","2","5","1") = "5"
    & skf18("3","1","6","6","2","6","1") = "5"
    & skf18("3","1","6","6","2","7","1") = "6"
    & skf18("3","1","6","6","2","8","1") = "7"
    & skf18("3","1","6","6","2","9","1") = "8"
    & skf18("3","1","6","6","2","10","1") = "9"
    & skf18("3","1","6","6","3","1","1") = "5"
    & skf18("3","1","6","6","3","2","1") = "5"
    & skf18("3","1","6","6","3","3","1") = "5"
    & skf18("3","1","6","6","3","4","1") = "5"
    & skf18("3","1","6","6","3","5","1") = "5"
    & skf18("3","1","6","6","3","6","1") = "5"
    & skf18("3","1","6","6","3","7","1") = "6"
    & skf18("3","1","6","6","3","8","1") = "7"
    & skf18("3","1","6","6","3","9","1") = "8"
    & skf18("3","1","6","6","3","10","1") = "9"
    & skf18("3","1","6","6","4","1","1") = "5"
    & skf18("3","1","6","6","4","2","1") = "5"
    & skf18("3","1","6","6","4","3","1") = "5"
    & skf18("3","1","6","6","4","4","1") = "5"
    & skf18("3","1","6","6","4","5","1") = "5"
    & skf18("3","1","6","6","4","6","1") = "5"
    & skf18("3","1","6","6","4","7","1") = "6"
    & skf18("3","1","6","6","4","8","1") = "7"
    & skf18("3","1","6","6","4","9","1") = "8"
    & skf18("3","1","6","6","4","10","1") = "9"
    & skf18("3","1","6","6","5","1","1") = "5"
    & skf18("3","1","6","6","5","2","1") = "5"
    & skf18("3","1","6","6","5","3","1") = "5"
    & skf18("3","1","6","6","5","4","1") = "5"
    & skf18("3","1","6","6","5","5","1") = "5"
    & skf18("3","1","6","6","5","6","1") = "5"
    & skf18("3","1","6","6","5","7","1") = "6"
    & skf18("3","1","6","6","5","8","1") = "7"
    & skf18("3","1","6","6","5","9","1") = "8"
    & skf18("3","1","6","6","5","10","1") = "9"
    & skf18("3","1","6","6","6","1","1") = "5"
    & skf18("3","1","6","6","6","2","1") = "5"
    & skf18("3","1","6","6","6","3","1") = "5"
    & skf18("3","1","6","6","6","4","1") = "5"
    & skf18("3","1","6","6","6","5","1") = "5"
    & skf18("3","1","6","6","6","6","1") = "5"
    & skf18("3","1","6","6","6","7","1") = "6"
    & skf18("3","1","6","6","6","8","1") = "7"
    & skf18("3","1","6","6","6","9","1") = "8"
    & skf18("3","1","6","6","6","10","1") = "9"
    & skf18("3","1","6","6","7","1","1") = "6"
    & skf18("3","1","6","6","7","2","1") = "6"
    & skf18("3","1","6","6","7","3","1") = "6"
    & skf18("3","1","6","6","7","4","1") = "6"
    & skf18("3","1","6","6","7","5","1") = "6"
    & skf18("3","1","6","6","7","6","1") = "6"
    & skf18("3","1","6","6","7","7","1") = "6"
    & skf18("3","1","6","6","7","8","1") = "7"
    & skf18("3","1","6","6","7","9","1") = "8"
    & skf18("3","1","6","6","7","10","1") = "9"
    & skf18("3","1","6","6","8","1","1") = "7"
    & skf18("3","1","6","6","8","2","1") = "7"
    & skf18("3","1","6","6","8","3","1") = "7"
    & skf18("3","1","6","6","8","4","1") = "7"
    & skf18("3","1","6","6","8","5","1") = "7"
    & skf18("3","1","6","6","8","6","1") = "7"
    & skf18("3","1","6","6","8","7","1") = "7"
    & skf18("3","1","6","6","8","8","1") = "7"
    & skf18("3","1","6","6","8","9","1") = "8"
    & skf18("3","1","6","6","8","10","1") = "9"
    & skf18("3","1","6","6","9","1","1") = "8"
    & skf18("3","1","6","6","9","2","1") = "8"
    & skf18("3","1","6","6","9","3","1") = "8"
    & skf18("3","1","6","6","9","4","1") = "8"
    & skf18("3","1","6","6","9","5","1") = "8"
    & skf18("3","1","6","6","9","6","1") = "8"
    & skf18("3","1","6","6","9","7","1") = "8"
    & skf18("3","1","6","6","9","8","1") = "8"
    & skf18("3","1","6","6","9","9","1") = "8"
    & skf18("3","1","6","6","9","10","1") = "9"
    & skf18("3","1","6","6","10","1","1") = "9"
    & skf18("3","1","6","6","10","2","1") = "9"
    & skf18("3","1","6","6","10","3","1") = "9"
    & skf18("3","1","6","6","10","4","1") = "9"
    & skf18("3","1","6","6","10","5","1") = "9"
    & skf18("3","1","6","6","10","6","1") = "9"
    & skf18("3","1","6","6","10","7","1") = "9"
    & skf18("3","1","6","6","10","8","1") = "9"
    & skf18("3","1","6","6","10","9","1") = "9"
    & skf18("3","1","6","6","10","10","1") = "9"
    & skf18("3","1","6","7","1","1","1") = "6"
    & skf18("3","1","6","7","1","2","1") = "6"
    & skf18("3","1","6","7","1","3","1") = "6"
    & skf18("3","1","6","7","1","4","1") = "6"
    & skf18("3","1","6","7","1","5","1") = "6"
    & skf18("3","1","6","7","1","6","1") = "6"
    & skf18("3","1","6","7","1","7","1") = "6"
    & skf18("3","1","6","7","1","8","1") = "7"
    & skf18("3","1","6","7","1","9","1") = "8"
    & skf18("3","1","6","7","1","10","1") = "9"
    & skf18("3","1","6","7","2","1","1") = "6"
    & skf18("3","1","6","7","2","2","1") = "6"
    & skf18("3","1","6","7","2","3","1") = "6"
    & skf18("3","1","6","7","2","4","1") = "6"
    & skf18("3","1","6","7","2","5","1") = "6"
    & skf18("3","1","6","7","2","6","1") = "6"
    & skf18("3","1","6","7","2","7","1") = "6"
    & skf18("3","1","6","7","2","8","1") = "7"
    & skf18("3","1","6","7","2","9","1") = "8"
    & skf18("3","1","6","7","2","10","1") = "9"
    & skf18("3","1","6","7","3","1","1") = "6"
    & skf18("3","1","6","7","3","2","1") = "6"
    & skf18("3","1","6","7","3","3","1") = "6"
    & skf18("3","1","6","7","3","4","1") = "6"
    & skf18("3","1","6","7","3","5","1") = "6"
    & skf18("3","1","6","7","3","6","1") = "6"
    & skf18("3","1","6","7","3","7","1") = "6"
    & skf18("3","1","6","7","3","8","1") = "7"
    & skf18("3","1","6","7","3","9","1") = "8"
    & skf18("3","1","6","7","3","10","1") = "9"
    & skf18("3","1","6","7","4","1","1") = "6"
    & skf18("3","1","6","7","4","2","1") = "6"
    & skf18("3","1","6","7","4","3","1") = "6"
    & skf18("3","1","6","7","4","4","1") = "6"
    & skf18("3","1","6","7","4","5","1") = "6"
    & skf18("3","1","6","7","4","6","1") = "6"
    & skf18("3","1","6","7","4","7","1") = "6"
    & skf18("3","1","6","7","4","8","1") = "7"
    & skf18("3","1","6","7","4","9","1") = "8"
    & skf18("3","1","6","7","4","10","1") = "9"
    & skf18("3","1","6","7","5","1","1") = "6"
    & skf18("3","1","6","7","5","2","1") = "6"
    & skf18("3","1","6","7","5","3","1") = "6"
    & skf18("3","1","6","7","5","4","1") = "6"
    & skf18("3","1","6","7","5","5","1") = "6"
    & skf18("3","1","6","7","5","6","1") = "6"
    & skf18("3","1","6","7","5","7","1") = "6"
    & skf18("3","1","6","7","5","8","1") = "7"
    & skf18("3","1","6","7","5","9","1") = "8"
    & skf18("3","1","6","7","5","10","1") = "9"
    & skf18("3","1","6","7","6","1","1") = "6"
    & skf18("3","1","6","7","6","2","1") = "6"
    & skf18("3","1","6","7","6","3","1") = "6"
    & skf18("3","1","6","7","6","4","1") = "6"
    & skf18("3","1","6","7","6","5","1") = "6"
    & skf18("3","1","6","7","6","6","1") = "6"
    & skf18("3","1","6","7","6","7","1") = "6"
    & skf18("3","1","6","7","6","8","1") = "7"
    & skf18("3","1","6","7","6","9","1") = "8"
    & skf18("3","1","6","7","6","10","1") = "9"
    & skf18("3","1","6","7","7","1","1") = "6"
    & skf18("3","1","6","7","7","2","1") = "6"
    & skf18("3","1","6","7","7","3","1") = "6"
    & skf18("3","1","6","7","7","4","1") = "6"
    & skf18("3","1","6","7","7","5","1") = "6"
    & skf18("3","1","6","7","7","6","1") = "6"
    & skf18("3","1","6","7","7","7","1") = "6"
    & skf18("3","1","6","7","7","8","1") = "7"
    & skf18("3","1","6","7","7","9","1") = "8"
    & skf18("3","1","6","7","7","10","1") = "9"
    & skf18("3","1","6","7","8","1","1") = "7"
    & skf18("3","1","6","7","8","2","1") = "7"
    & skf18("3","1","6","7","8","3","1") = "7"
    & skf18("3","1","6","7","8","4","1") = "7"
    & skf18("3","1","6","7","8","5","1") = "7"
    & skf18("3","1","6","7","8","6","1") = "7"
    & skf18("3","1","6","7","8","7","1") = "7"
    & skf18("3","1","6","7","8","8","1") = "7"
    & skf18("3","1","6","7","8","9","1") = "8"
    & skf18("3","1","6","7","8","10","1") = "9"
    & skf18("3","1","6","7","9","1","1") = "8"
    & skf18("3","1","6","7","9","2","1") = "8"
    & skf18("3","1","6","7","9","3","1") = "8"
    & skf18("3","1","6","7","9","4","1") = "8"
    & skf18("3","1","6","7","9","5","1") = "8"
    & skf18("3","1","6","7","9","6","1") = "8"
    & skf18("3","1","6","7","9","7","1") = "8"
    & skf18("3","1","6","7","9","8","1") = "8"
    & skf18("3","1","6","7","9","9","1") = "8"
    & skf18("3","1","6","7","9","10","1") = "9"
    & skf18("3","1","6","7","10","1","1") = "9"
    & skf18("3","1","6","7","10","2","1") = "9"
    & skf18("3","1","6","7","10","3","1") = "9"
    & skf18("3","1","6","7","10","4","1") = "9"
    & skf18("3","1","6","7","10","5","1") = "9"
    & skf18("3","1","6","7","10","6","1") = "9"
    & skf18("3","1","6","7","10","7","1") = "9"
    & skf18("3","1","6","7","10","8","1") = "9"
    & skf18("3","1","6","7","10","9","1") = "9"
    & skf18("3","1","6","7","10","10","1") = "9"
    & skf18("3","1","6","8","1","1","1") = "7"
    & skf18("3","1","6","8","1","2","1") = "7"
    & skf18("3","1","6","8","1","3","1") = "7"
    & skf18("3","1","6","8","1","4","1") = "7"
    & skf18("3","1","6","8","1","5","1") = "7"
    & skf18("3","1","6","8","1","6","1") = "7"
    & skf18("3","1","6","8","1","7","1") = "7"
    & skf18("3","1","6","8","1","8","1") = "7"
    & skf18("3","1","6","8","1","9","1") = "8"
    & skf18("3","1","6","8","1","10","1") = "9"
    & skf18("3","1","6","8","2","1","1") = "7"
    & skf18("3","1","6","8","2","2","1") = "7"
    & skf18("3","1","6","8","2","3","1") = "7"
    & skf18("3","1","6","8","2","4","1") = "7"
    & skf18("3","1","6","8","2","5","1") = "7"
    & skf18("3","1","6","8","2","6","1") = "7"
    & skf18("3","1","6","8","2","7","1") = "7"
    & skf18("3","1","6","8","2","8","1") = "7"
    & skf18("3","1","6","8","2","9","1") = "8"
    & skf18("3","1","6","8","2","10","1") = "9"
    & skf18("3","1","6","8","3","1","1") = "7"
    & skf18("3","1","6","8","3","2","1") = "7"
    & skf18("3","1","6","8","3","3","1") = "7"
    & skf18("3","1","6","8","3","4","1") = "7"
    & skf18("3","1","6","8","3","5","1") = "7"
    & skf18("3","1","6","8","3","6","1") = "7"
    & skf18("3","1","6","8","3","7","1") = "7"
    & skf18("3","1","6","8","3","8","1") = "7"
    & skf18("3","1","6","8","3","9","1") = "8"
    & skf18("3","1","6","8","3","10","1") = "9"
    & skf18("3","1","6","8","4","1","1") = "7"
    & skf18("3","1","6","8","4","2","1") = "7"
    & skf18("3","1","6","8","4","3","1") = "7"
    & skf18("3","1","6","8","4","4","1") = "7"
    & skf18("3","1","6","8","4","5","1") = "7"
    & skf18("3","1","6","8","4","6","1") = "7"
    & skf18("3","1","6","8","4","7","1") = "7"
    & skf18("3","1","6","8","4","8","1") = "7"
    & skf18("3","1","6","8","4","9","1") = "8"
    & skf18("3","1","6","8","4","10","1") = "9"
    & skf18("3","1","6","8","5","1","1") = "7"
    & skf18("3","1","6","8","5","2","1") = "7"
    & skf18("3","1","6","8","5","3","1") = "7"
    & skf18("3","1","6","8","5","4","1") = "7"
    & skf18("3","1","6","8","5","5","1") = "7"
    & skf18("3","1","6","8","5","6","1") = "7"
    & skf18("3","1","6","8","5","7","1") = "7"
    & skf18("3","1","6","8","5","8","1") = "7"
    & skf18("3","1","6","8","5","9","1") = "8"
    & skf18("3","1","6","8","5","10","1") = "9"
    & skf18("3","1","6","8","6","1","1") = "7"
    & skf18("3","1","6","8","6","2","1") = "7"
    & skf18("3","1","6","8","6","3","1") = "7"
    & skf18("3","1","6","8","6","4","1") = "7"
    & skf18("3","1","6","8","6","5","1") = "7"
    & skf18("3","1","6","8","6","6","1") = "7"
    & skf18("3","1","6","8","6","7","1") = "7"
    & skf18("3","1","6","8","6","8","1") = "7"
    & skf18("3","1","6","8","6","9","1") = "8"
    & skf18("3","1","6","8","6","10","1") = "9"
    & skf18("3","1","6","8","7","1","1") = "7"
    & skf18("3","1","6","8","7","2","1") = "7"
    & skf18("3","1","6","8","7","3","1") = "7"
    & skf18("3","1","6","8","7","4","1") = "7"
    & skf18("3","1","6","8","7","5","1") = "7"
    & skf18("3","1","6","8","7","6","1") = "7"
    & skf18("3","1","6","8","7","7","1") = "7"
    & skf18("3","1","6","8","7","8","1") = "7"
    & skf18("3","1","6","8","7","9","1") = "8"
    & skf18("3","1","6","8","7","10","1") = "9"
    & skf18("3","1","6","8","8","1","1") = "7"
    & skf18("3","1","6","8","8","2","1") = "7"
    & skf18("3","1","6","8","8","3","1") = "7"
    & skf18("3","1","6","8","8","4","1") = "7"
    & skf18("3","1","6","8","8","5","1") = "7"
    & skf18("3","1","6","8","8","6","1") = "7"
    & skf18("3","1","6","8","8","7","1") = "7"
    & skf18("3","1","6","8","8","8","1") = "7"
    & skf18("3","1","6","8","8","9","1") = "8"
    & skf18("3","1","6","8","8","10","1") = "9"
    & skf18("3","1","6","8","9","1","1") = "8"
    & skf18("3","1","6","8","9","2","1") = "8"
    & skf18("3","1","6","8","9","3","1") = "8"
    & skf18("3","1","6","8","9","4","1") = "8"
    & skf18("3","1","6","8","9","5","1") = "8"
    & skf18("3","1","6","8","9","6","1") = "8"
    & skf18("3","1","6","8","9","7","1") = "8"
    & skf18("3","1","6","8","9","8","1") = "8"
    & skf18("3","1","6","8","9","9","1") = "8"
    & skf18("3","1","6","8","9","10","1") = "9"
    & skf18("3","1","6","8","10","1","1") = "9"
    & skf18("3","1","6","8","10","2","1") = "9"
    & skf18("3","1","6","8","10","3","1") = "9"
    & skf18("3","1","6","8","10","4","1") = "9"
    & skf18("3","1","6","8","10","5","1") = "9"
    & skf18("3","1","6","8","10","6","1") = "9"
    & skf18("3","1","6","8","10","7","1") = "9"
    & skf18("3","1","6","8","10","8","1") = "9"
    & skf18("3","1","6","8","10","9","1") = "9"
    & skf18("3","1","6","8","10","10","1") = "9"
    & skf18("3","1","6","9","1","1","1") = "8"
    & skf18("3","1","6","9","1","2","1") = "8"
    & skf18("3","1","6","9","1","3","1") = "8"
    & skf18("3","1","6","9","1","4","1") = "8"
    & skf18("3","1","6","9","1","5","1") = "8"
    & skf18("3","1","6","9","1","6","1") = "8"
    & skf18("3","1","6","9","1","7","1") = "8"
    & skf18("3","1","6","9","1","8","1") = "8"
    & skf18("3","1","6","9","1","9","1") = "8"
    & skf18("3","1","6","9","1","10","1") = "9"
    & skf18("3","1","6","9","2","1","1") = "8"
    & skf18("3","1","6","9","2","2","1") = "8"
    & skf18("3","1","6","9","2","3","1") = "8"
    & skf18("3","1","6","9","2","4","1") = "8"
    & skf18("3","1","6","9","2","5","1") = "8"
    & skf18("3","1","6","9","2","6","1") = "8"
    & skf18("3","1","6","9","2","7","1") = "8"
    & skf18("3","1","6","9","2","8","1") = "8"
    & skf18("3","1","6","9","2","9","1") = "8"
    & skf18("3","1","6","9","2","10","1") = "9"
    & skf18("3","1","6","9","3","1","1") = "8"
    & skf18("3","1","6","9","3","2","1") = "8"
    & skf18("3","1","6","9","3","3","1") = "8"
    & skf18("3","1","6","9","3","4","1") = "8"
    & skf18("3","1","6","9","3","5","1") = "8"
    & skf18("3","1","6","9","3","6","1") = "8"
    & skf18("3","1","6","9","3","7","1") = "8"
    & skf18("3","1","6","9","3","8","1") = "8"
    & skf18("3","1","6","9","3","9","1") = "8"
    & skf18("3","1","6","9","3","10","1") = "9"
    & skf18("3","1","6","9","4","1","1") = "8"
    & skf18("3","1","6","9","4","2","1") = "8"
    & skf18("3","1","6","9","4","3","1") = "8"
    & skf18("3","1","6","9","4","4","1") = "8"
    & skf18("3","1","6","9","4","5","1") = "8"
    & skf18("3","1","6","9","4","6","1") = "8"
    & skf18("3","1","6","9","4","7","1") = "8"
    & skf18("3","1","6","9","4","8","1") = "8"
    & skf18("3","1","6","9","4","9","1") = "8"
    & skf18("3","1","6","9","4","10","1") = "9"
    & skf18("3","1","6","9","5","1","1") = "8"
    & skf18("3","1","6","9","5","2","1") = "8"
    & skf18("3","1","6","9","5","3","1") = "8"
    & skf18("3","1","6","9","5","4","1") = "8"
    & skf18("3","1","6","9","5","5","1") = "8"
    & skf18("3","1","6","9","5","6","1") = "8"
    & skf18("3","1","6","9","5","7","1") = "8"
    & skf18("3","1","6","9","5","8","1") = "8"
    & skf18("3","1","6","9","5","9","1") = "8"
    & skf18("3","1","6","9","5","10","1") = "9"
    & skf18("3","1","6","9","6","1","1") = "8"
    & skf18("3","1","6","9","6","2","1") = "8"
    & skf18("3","1","6","9","6","3","1") = "8"
    & skf18("3","1","6","9","6","4","1") = "8"
    & skf18("3","1","6","9","6","5","1") = "8"
    & skf18("3","1","6","9","6","6","1") = "8"
    & skf18("3","1","6","9","6","7","1") = "8"
    & skf18("3","1","6","9","6","8","1") = "8"
    & skf18("3","1","6","9","6","9","1") = "8"
    & skf18("3","1","6","9","6","10","1") = "9"
    & skf18("3","1","6","9","7","1","1") = "8"
    & skf18("3","1","6","9","7","2","1") = "8"
    & skf18("3","1","6","9","7","3","1") = "8"
    & skf18("3","1","6","9","7","4","1") = "8"
    & skf18("3","1","6","9","7","5","1") = "8"
    & skf18("3","1","6","9","7","6","1") = "8"
    & skf18("3","1","6","9","7","7","1") = "8"
    & skf18("3","1","6","9","7","8","1") = "8"
    & skf18("3","1","6","9","7","9","1") = "8"
    & skf18("3","1","6","9","7","10","1") = "9"
    & skf18("3","1","6","9","8","1","1") = "8"
    & skf18("3","1","6","9","8","2","1") = "8"
    & skf18("3","1","6","9","8","3","1") = "8"
    & skf18("3","1","6","9","8","4","1") = "8"
    & skf18("3","1","6","9","8","5","1") = "8"
    & skf18("3","1","6","9","8","6","1") = "8"
    & skf18("3","1","6","9","8","7","1") = "8"
    & skf18("3","1","6","9","8","8","1") = "8"
    & skf18("3","1","6","9","8","9","1") = "8"
    & skf18("3","1","6","9","8","10","1") = "9"
    & skf18("3","1","6","9","9","1","1") = "8"
    & skf18("3","1","6","9","9","2","1") = "8"
    & skf18("3","1","6","9","9","3","1") = "8"
    & skf18("3","1","6","9","9","4","1") = "8"
    & skf18("3","1","6","9","9","5","1") = "8"
    & skf18("3","1","6","9","9","6","1") = "8"
    & skf18("3","1","6","9","9","7","1") = "8"
    & skf18("3","1","6","9","9","8","1") = "8"
    & skf18("3","1","6","9","9","9","1") = "8"
    & skf18("3","1","6","9","9","10","1") = "9"
    & skf18("3","1","6","9","10","1","1") = "9"
    & skf18("3","1","6","9","10","2","1") = "9"
    & skf18("3","1","6","9","10","3","1") = "9"
    & skf18("3","1","6","9","10","4","1") = "9"
    & skf18("3","1","6","9","10","5","1") = "9"
    & skf18("3","1","6","9","10","6","1") = "9"
    & skf18("3","1","6","9","10","7","1") = "9"
    & skf18("3","1","6","9","10","8","1") = "9"
    & skf18("3","1","6","9","10","9","1") = "9"
    & skf18("3","1","6","9","10","10","1") = "9"
    & skf18("3","1","6","10","1","1","1") = "9"
    & skf18("3","1","6","10","1","2","1") = "9"
    & skf18("3","1","6","10","1","3","1") = "9"
    & skf18("3","1","6","10","1","4","1") = "9"
    & skf18("3","1","6","10","1","5","1") = "9"
    & skf18("3","1","6","10","1","6","1") = "9"
    & skf18("3","1","6","10","1","7","1") = "9"
    & skf18("3","1","6","10","1","8","1") = "9"
    & skf18("3","1","6","10","1","9","1") = "9"
    & skf18("3","1","6","10","1","10","1") = "9"
    & skf18("3","1","6","10","2","1","1") = "9"
    & skf18("3","1","6","10","2","2","1") = "9"
    & skf18("3","1","6","10","2","3","1") = "9"
    & skf18("3","1","6","10","2","4","1") = "9"
    & skf18("3","1","6","10","2","5","1") = "9"
    & skf18("3","1","6","10","2","6","1") = "9"
    & skf18("3","1","6","10","2","7","1") = "9"
    & skf18("3","1","6","10","2","8","1") = "9"
    & skf18("3","1","6","10","2","9","1") = "9"
    & skf18("3","1","6","10","2","10","1") = "9"
    & skf18("3","1","6","10","3","1","1") = "9"
    & skf18("3","1","6","10","3","2","1") = "9"
    & skf18("3","1","6","10","3","3","1") = "9"
    & skf18("3","1","6","10","3","4","1") = "9"
    & skf18("3","1","6","10","3","5","1") = "9"
    & skf18("3","1","6","10","3","6","1") = "9"
    & skf18("3","1","6","10","3","7","1") = "9"
    & skf18("3","1","6","10","3","8","1") = "9"
    & skf18("3","1","6","10","3","9","1") = "9"
    & skf18("3","1","6","10","3","10","1") = "9"
    & skf18("3","1","6","10","4","1","1") = "9"
    & skf18("3","1","6","10","4","2","1") = "9"
    & skf18("3","1","6","10","4","3","1") = "9"
    & skf18("3","1","6","10","4","4","1") = "9"
    & skf18("3","1","6","10","4","5","1") = "9"
    & skf18("3","1","6","10","4","6","1") = "9"
    & skf18("3","1","6","10","4","7","1") = "9"
    & skf18("3","1","6","10","4","8","1") = "9"
    & skf18("3","1","6","10","4","9","1") = "9"
    & skf18("3","1","6","10","4","10","1") = "9"
    & skf18("3","1","6","10","5","1","1") = "9"
    & skf18("3","1","6","10","5","2","1") = "9"
    & skf18("3","1","6","10","5","3","1") = "9"
    & skf18("3","1","6","10","5","4","1") = "9"
    & skf18("3","1","6","10","5","5","1") = "9"
    & skf18("3","1","6","10","5","6","1") = "9"
    & skf18("3","1","6","10","5","7","1") = "9"
    & skf18("3","1","6","10","5","8","1") = "9"
    & skf18("3","1","6","10","5","9","1") = "9"
    & skf18("3","1","6","10","5","10","1") = "9"
    & skf18("3","1","6","10","6","1","1") = "9"
    & skf18("3","1","6","10","6","2","1") = "9"
    & skf18("3","1","6","10","6","3","1") = "9"
    & skf18("3","1","6","10","6","4","1") = "9"
    & skf18("3","1","6","10","6","5","1") = "9"
    & skf18("3","1","6","10","6","6","1") = "9"
    & skf18("3","1","6","10","6","7","1") = "9"
    & skf18("3","1","6","10","6","8","1") = "9"
    & skf18("3","1","6","10","6","9","1") = "9"
    & skf18("3","1","6","10","6","10","1") = "9"
    & skf18("3","1","6","10","7","1","1") = "9"
    & skf18("3","1","6","10","7","2","1") = "9"
    & skf18("3","1","6","10","7","3","1") = "9"
    & skf18("3","1","6","10","7","4","1") = "9"
    & skf18("3","1","6","10","7","5","1") = "9"
    & skf18("3","1","6","10","7","6","1") = "9"
    & skf18("3","1","6","10","7","7","1") = "9"
    & skf18("3","1","6","10","7","8","1") = "9"
    & skf18("3","1","6","10","7","9","1") = "9"
    & skf18("3","1","6","10","7","10","1") = "9"
    & skf18("3","1","6","10","8","1","1") = "9"
    & skf18("3","1","6","10","8","2","1") = "9"
    & skf18("3","1","6","10","8","3","1") = "9"
    & skf18("3","1","6","10","8","4","1") = "9"
    & skf18("3","1","6","10","8","5","1") = "9"
    & skf18("3","1","6","10","8","6","1") = "9"
    & skf18("3","1","6","10","8","7","1") = "9"
    & skf18("3","1","6","10","8","8","1") = "9"
    & skf18("3","1","6","10","8","9","1") = "9"
    & skf18("3","1","6","10","8","10","1") = "9"
    & skf18("3","1","6","10","9","1","1") = "9"
    & skf18("3","1","6","10","9","2","1") = "9"
    & skf18("3","1","6","10","9","3","1") = "9"
    & skf18("3","1","6","10","9","4","1") = "9"
    & skf18("3","1","6","10","9","5","1") = "9"
    & skf18("3","1","6","10","9","6","1") = "9"
    & skf18("3","1","6","10","9","7","1") = "9"
    & skf18("3","1","6","10","9","8","1") = "9"
    & skf18("3","1","6","10","9","9","1") = "9"
    & skf18("3","1","6","10","9","10","1") = "9"
    & skf18("3","1","6","10","10","1","1") = "9"
    & skf18("3","1","6","10","10","2","1") = "9"
    & skf18("3","1","6","10","10","3","1") = "9"
    & skf18("3","1","6","10","10","4","1") = "9"
    & skf18("3","1","6","10","10","5","1") = "9"
    & skf18("3","1","6","10","10","6","1") = "9"
    & skf18("3","1","6","10","10","7","1") = "9"
    & skf18("3","1","6","10","10","8","1") = "9"
    & skf18("3","1","6","10","10","9","1") = "9"
    & skf18("3","1","6","10","10","10","1") = "9"
    & skf18("3","1","7","1","1","1","1") = "6"
    & skf18("3","1","7","1","1","2","1") = "6"
    & skf18("3","1","7","1","1","3","1") = "6"
    & skf18("3","1","7","1","1","4","1") = "6"
    & skf18("3","1","7","1","1","5","1") = "6"
    & skf18("3","1","7","1","1","6","1") = "6"
    & skf18("3","1","7","1","1","7","1") = "6"
    & skf18("3","1","7","1","1","8","1") = "7"
    & skf18("3","1","7","1","1","9","1") = "8"
    & skf18("3","1","7","1","1","10","1") = "9"
    & skf18("3","1","7","1","2","1","1") = "6"
    & skf18("3","1","7","1","2","2","1") = "6"
    & skf18("3","1","7","1","2","3","1") = "6"
    & skf18("3","1","7","1","2","4","1") = "6"
    & skf18("3","1","7","1","2","5","1") = "6"
    & skf18("3","1","7","1","2","6","1") = "6"
    & skf18("3","1","7","1","2","7","1") = "6"
    & skf18("3","1","7","1","2","8","1") = "7"
    & skf18("3","1","7","1","2","9","1") = "8"
    & skf18("3","1","7","1","2","10","1") = "9"
    & skf18("3","1","7","1","3","1","1") = "6"
    & skf18("3","1","7","1","3","2","1") = "6"
    & skf18("3","1","7","1","3","3","1") = "6"
    & skf18("3","1","7","1","3","4","1") = "6"
    & skf18("3","1","7","1","3","5","1") = "6"
    & skf18("3","1","7","1","3","6","1") = "6"
    & skf18("3","1","7","1","3","7","1") = "6"
    & skf18("3","1","7","1","3","8","1") = "7"
    & skf18("3","1","7","1","3","9","1") = "8"
    & skf18("3","1","7","1","3","10","1") = "9"
    & skf18("3","1","7","1","4","1","1") = "6"
    & skf18("3","1","7","1","4","2","1") = "6"
    & skf18("3","1","7","1","4","3","1") = "6"
    & skf18("3","1","7","1","4","4","1") = "6"
    & skf18("3","1","7","1","4","5","1") = "6"
    & skf18("3","1","7","1","4","6","1") = "6"
    & skf18("3","1","7","1","4","7","1") = "6"
    & skf18("3","1","7","1","4","8","1") = "7"
    & skf18("3","1","7","1","4","9","1") = "8"
    & skf18("3","1","7","1","4","10","1") = "9"
    & skf18("3","1","7","1","5","1","1") = "6"
    & skf18("3","1","7","1","5","2","1") = "6"
    & skf18("3","1","7","1","5","3","1") = "6"
    & skf18("3","1","7","1","5","4","1") = "6"
    & skf18("3","1","7","1","5","5","1") = "6"
    & skf18("3","1","7","1","5","6","1") = "6"
    & skf18("3","1","7","1","5","7","1") = "6"
    & skf18("3","1","7","1","5","8","1") = "7"
    & skf18("3","1","7","1","5","9","1") = "8"
    & skf18("3","1","7","1","5","10","1") = "9"
    & skf18("3","1","7","1","6","1","1") = "6"
    & skf18("3","1","7","1","6","2","1") = "6"
    & skf18("3","1","7","1","6","3","1") = "6"
    & skf18("3","1","7","1","6","4","1") = "6"
    & skf18("3","1","7","1","6","5","1") = "6"
    & skf18("3","1","7","1","6","6","1") = "6"
    & skf18("3","1","7","1","6","7","1") = "6"
    & skf18("3","1","7","1","6","8","1") = "7"
    & skf18("3","1","7","1","6","9","1") = "8"
    & skf18("3","1","7","1","6","10","1") = "9"
    & skf18("3","1","7","1","7","1","1") = "6"
    & skf18("3","1","7","1","7","2","1") = "6"
    & skf18("3","1","7","1","7","3","1") = "6"
    & skf18("3","1","7","1","7","4","1") = "6"
    & skf18("3","1","7","1","7","5","1") = "6"
    & skf18("3","1","7","1","7","6","1") = "6"
    & skf18("3","1","7","1","7","7","1") = "6"
    & skf18("3","1","7","1","7","8","1") = "7"
    & skf18("3","1","7","1","7","9","1") = "8"
    & skf18("3","1","7","1","7","10","1") = "9"
    & skf18("3","1","7","1","8","1","1") = "7"
    & skf18("3","1","7","1","8","2","1") = "7"
    & skf18("3","1","7","1","8","3","1") = "7"
    & skf18("3","1","7","1","8","4","1") = "7"
    & skf18("3","1","7","1","8","5","1") = "7"
    & skf18("3","1","7","1","8","6","1") = "7"
    & skf18("3","1","7","1","8","7","1") = "7"
    & skf18("3","1","7","1","8","8","1") = "7"
    & skf18("3","1","7","1","8","9","1") = "8"
    & skf18("3","1","7","1","8","10","1") = "9"
    & skf18("3","1","7","1","9","1","1") = "8"
    & skf18("3","1","7","1","9","2","1") = "8"
    & skf18("3","1","7","1","9","3","1") = "8"
    & skf18("3","1","7","1","9","4","1") = "8"
    & skf18("3","1","7","1","9","5","1") = "8"
    & skf18("3","1","7","1","9","6","1") = "8"
    & skf18("3","1","7","1","9","7","1") = "8"
    & skf18("3","1","7","1","9","8","1") = "8"
    & skf18("3","1","7","1","9","9","1") = "8"
    & skf18("3","1","7","1","9","10","1") = "9"
    & skf18("3","1","7","1","10","1","1") = "9"
    & skf18("3","1","7","1","10","2","1") = "9"
    & skf18("3","1","7","1","10","3","1") = "9"
    & skf18("3","1","7","1","10","4","1") = "9"
    & skf18("3","1","7","1","10","5","1") = "9"
    & skf18("3","1","7","1","10","6","1") = "9"
    & skf18("3","1","7","1","10","7","1") = "9"
    & skf18("3","1","7","1","10","8","1") = "9"
    & skf18("3","1","7","1","10","9","1") = "9"
    & skf18("3","1","7","1","10","10","1") = "9"
    & skf18("3","1","7","2","1","1","1") = "6"
    & skf18("3","1","7","2","1","2","1") = "6"
    & skf18("3","1","7","2","1","3","1") = "6"
    & skf18("3","1","7","2","1","4","1") = "6"
    & skf18("3","1","7","2","1","5","1") = "6"
    & skf18("3","1","7","2","1","6","1") = "6"
    & skf18("3","1","7","2","1","7","1") = "6"
    & skf18("3","1","7","2","1","8","1") = "7"
    & skf18("3","1","7","2","1","9","1") = "8"
    & skf18("3","1","7","2","1","10","1") = "9"
    & skf18("3","1","7","2","2","1","1") = "6"
    & skf18("3","1","7","2","2","2","1") = "6"
    & skf18("3","1","7","2","2","3","1") = "6"
    & skf18("3","1","7","2","2","4","1") = "6"
    & skf18("3","1","7","2","2","5","1") = "6"
    & skf18("3","1","7","2","2","6","1") = "6"
    & skf18("3","1","7","2","2","7","1") = "6"
    & skf18("3","1","7","2","2","8","1") = "7"
    & skf18("3","1","7","2","2","9","1") = "8"
    & skf18("3","1","7","2","2","10","1") = "9"
    & skf18("3","1","7","2","3","1","1") = "6"
    & skf18("3","1","7","2","3","2","1") = "6"
    & skf18("3","1","7","2","3","3","1") = "6"
    & skf18("3","1","7","2","3","4","1") = "6"
    & skf18("3","1","7","2","3","5","1") = "6"
    & skf18("3","1","7","2","3","6","1") = "6"
    & skf18("3","1","7","2","3","7","1") = "6"
    & skf18("3","1","7","2","3","8","1") = "7"
    & skf18("3","1","7","2","3","9","1") = "8"
    & skf18("3","1","7","2","3","10","1") = "9"
    & skf18("3","1","7","2","4","1","1") = "6"
    & skf18("3","1","7","2","4","2","1") = "6"
    & skf18("3","1","7","2","4","3","1") = "6"
    & skf18("3","1","7","2","4","4","1") = "6"
    & skf18("3","1","7","2","4","5","1") = "6"
    & skf18("3","1","7","2","4","6","1") = "6"
    & skf18("3","1","7","2","4","7","1") = "6"
    & skf18("3","1","7","2","4","8","1") = "7"
    & skf18("3","1","7","2","4","9","1") = "8"
    & skf18("3","1","7","2","4","10","1") = "9"
    & skf18("3","1","7","2","5","1","1") = "6"
    & skf18("3","1","7","2","5","2","1") = "6"
    & skf18("3","1","7","2","5","3","1") = "6"
    & skf18("3","1","7","2","5","4","1") = "6"
    & skf18("3","1","7","2","5","5","1") = "6"
    & skf18("3","1","7","2","5","6","1") = "6"
    & skf18("3","1","7","2","5","7","1") = "6"
    & skf18("3","1","7","2","5","8","1") = "7"
    & skf18("3","1","7","2","5","9","1") = "8"
    & skf18("3","1","7","2","5","10","1") = "9"
    & skf18("3","1","7","2","6","1","1") = "6"
    & skf18("3","1","7","2","6","2","1") = "6"
    & skf18("3","1","7","2","6","3","1") = "6"
    & skf18("3","1","7","2","6","4","1") = "6"
    & skf18("3","1","7","2","6","5","1") = "6"
    & skf18("3","1","7","2","6","6","1") = "6"
    & skf18("3","1","7","2","6","7","1") = "6"
    & skf18("3","1","7","2","6","8","1") = "7"
    & skf18("3","1","7","2","6","9","1") = "8"
    & skf18("3","1","7","2","6","10","1") = "9"
    & skf18("3","1","7","2","7","1","1") = "6"
    & skf18("3","1","7","2","7","2","1") = "6"
    & skf18("3","1","7","2","7","3","1") = "6"
    & skf18("3","1","7","2","7","4","1") = "6"
    & skf18("3","1","7","2","7","5","1") = "6"
    & skf18("3","1","7","2","7","6","1") = "6"
    & skf18("3","1","7","2","7","7","1") = "6"
    & skf18("3","1","7","2","7","8","1") = "7"
    & skf18("3","1","7","2","7","9","1") = "8"
    & skf18("3","1","7","2","7","10","1") = "9"
    & skf18("3","1","7","2","8","1","1") = "7"
    & skf18("3","1","7","2","8","2","1") = "7"
    & skf18("3","1","7","2","8","3","1") = "7"
    & skf18("3","1","7","2","8","4","1") = "7"
    & skf18("3","1","7","2","8","5","1") = "7"
    & skf18("3","1","7","2","8","6","1") = "7"
    & skf18("3","1","7","2","8","7","1") = "7"
    & skf18("3","1","7","2","8","8","1") = "7"
    & skf18("3","1","7","2","8","9","1") = "8"
    & skf18("3","1","7","2","8","10","1") = "9"
    & skf18("3","1","7","2","9","1","1") = "8"
    & skf18("3","1","7","2","9","2","1") = "8"
    & skf18("3","1","7","2","9","3","1") = "8"
    & skf18("3","1","7","2","9","4","1") = "8"
    & skf18("3","1","7","2","9","5","1") = "8"
    & skf18("3","1","7","2","9","6","1") = "8"
    & skf18("3","1","7","2","9","7","1") = "8"
    & skf18("3","1","7","2","9","8","1") = "8"
    & skf18("3","1","7","2","9","9","1") = "8"
    & skf18("3","1","7","2","9","10","1") = "9"
    & skf18("3","1","7","2","10","1","1") = "9"
    & skf18("3","1","7","2","10","2","1") = "9"
    & skf18("3","1","7","2","10","3","1") = "9"
    & skf18("3","1","7","2","10","4","1") = "9"
    & skf18("3","1","7","2","10","5","1") = "9"
    & skf18("3","1","7","2","10","6","1") = "9"
    & skf18("3","1","7","2","10","7","1") = "9"
    & skf18("3","1","7","2","10","8","1") = "9"
    & skf18("3","1","7","2","10","9","1") = "9"
    & skf18("3","1","7","2","10","10","1") = "9"
    & skf18("3","1","7","3","1","1","1") = "6"
    & skf18("3","1","7","3","1","2","1") = "6"
    & skf18("3","1","7","3","1","3","1") = "6"
    & skf18("3","1","7","3","1","4","1") = "6"
    & skf18("3","1","7","3","1","5","1") = "6"
    & skf18("3","1","7","3","1","6","1") = "6"
    & skf18("3","1","7","3","1","7","1") = "6"
    & skf18("3","1","7","3","1","8","1") = "7"
    & skf18("3","1","7","3","1","9","1") = "8"
    & skf18("3","1","7","3","1","10","1") = "9"
    & skf18("3","1","7","3","2","1","1") = "6"
    & skf18("3","1","7","3","2","2","1") = "6"
    & skf18("3","1","7","3","2","3","1") = "6"
    & skf18("3","1","7","3","2","4","1") = "6"
    & skf18("3","1","7","3","2","5","1") = "6"
    & skf18("3","1","7","3","2","6","1") = "6"
    & skf18("3","1","7","3","2","7","1") = "6"
    & skf18("3","1","7","3","2","8","1") = "7"
    & skf18("3","1","7","3","2","9","1") = "8"
    & skf18("3","1","7","3","2","10","1") = "9"
    & skf18("3","1","7","3","3","1","1") = "6"
    & skf18("3","1","7","3","3","2","1") = "6"
    & skf18("3","1","7","3","3","3","1") = "6"
    & skf18("3","1","7","3","3","4","1") = "6"
    & skf18("3","1","7","3","3","5","1") = "6"
    & skf18("3","1","7","3","3","6","1") = "6"
    & skf18("3","1","7","3","3","7","1") = "6"
    & skf18("3","1","7","3","3","8","1") = "7"
    & skf18("3","1","7","3","3","9","1") = "8"
    & skf18("3","1","7","3","3","10","1") = "9"
    & skf18("3","1","7","3","4","1","1") = "6"
    & skf18("3","1","7","3","4","2","1") = "6"
    & skf18("3","1","7","3","4","3","1") = "6"
    & skf18("3","1","7","3","4","4","1") = "6"
    & skf18("3","1","7","3","4","5","1") = "6"
    & skf18("3","1","7","3","4","6","1") = "6"
    & skf18("3","1","7","3","4","7","1") = "6"
    & skf18("3","1","7","3","4","8","1") = "7"
    & skf18("3","1","7","3","4","9","1") = "8"
    & skf18("3","1","7","3","4","10","1") = "9"
    & skf18("3","1","7","3","5","1","1") = "6"
    & skf18("3","1","7","3","5","2","1") = "6"
    & skf18("3","1","7","3","5","3","1") = "6"
    & skf18("3","1","7","3","5","4","1") = "6"
    & skf18("3","1","7","3","5","5","1") = "6"
    & skf18("3","1","7","3","5","6","1") = "6"
    & skf18("3","1","7","3","5","7","1") = "6"
    & skf18("3","1","7","3","5","8","1") = "7"
    & skf18("3","1","7","3","5","9","1") = "8"
    & skf18("3","1","7","3","5","10","1") = "9"
    & skf18("3","1","7","3","6","1","1") = "6"
    & skf18("3","1","7","3","6","2","1") = "6"
    & skf18("3","1","7","3","6","3","1") = "6"
    & skf18("3","1","7","3","6","4","1") = "6"
    & skf18("3","1","7","3","6","5","1") = "6"
    & skf18("3","1","7","3","6","6","1") = "6"
    & skf18("3","1","7","3","6","7","1") = "6"
    & skf18("3","1","7","3","6","8","1") = "7"
    & skf18("3","1","7","3","6","9","1") = "8"
    & skf18("3","1","7","3","6","10","1") = "9"
    & skf18("3","1","7","3","7","1","1") = "6"
    & skf18("3","1","7","3","7","2","1") = "6"
    & skf18("3","1","7","3","7","3","1") = "6"
    & skf18("3","1","7","3","7","4","1") = "6"
    & skf18("3","1","7","3","7","5","1") = "6"
    & skf18("3","1","7","3","7","6","1") = "6"
    & skf18("3","1","7","3","7","7","1") = "6"
    & skf18("3","1","7","3","7","8","1") = "7"
    & skf18("3","1","7","3","7","9","1") = "8"
    & skf18("3","1","7","3","7","10","1") = "9"
    & skf18("3","1","7","3","8","1","1") = "7"
    & skf18("3","1","7","3","8","2","1") = "7"
    & skf18("3","1","7","3","8","3","1") = "7"
    & skf18("3","1","7","3","8","4","1") = "7"
    & skf18("3","1","7","3","8","5","1") = "7"
    & skf18("3","1","7","3","8","6","1") = "7"
    & skf18("3","1","7","3","8","7","1") = "7"
    & skf18("3","1","7","3","8","8","1") = "7"
    & skf18("3","1","7","3","8","9","1") = "8"
    & skf18("3","1","7","3","8","10","1") = "9"
    & skf18("3","1","7","3","9","1","1") = "8"
    & skf18("3","1","7","3","9","2","1") = "8"
    & skf18("3","1","7","3","9","3","1") = "8"
    & skf18("3","1","7","3","9","4","1") = "8"
    & skf18("3","1","7","3","9","5","1") = "8"
    & skf18("3","1","7","3","9","6","1") = "8"
    & skf18("3","1","7","3","9","7","1") = "8"
    & skf18("3","1","7","3","9","8","1") = "8"
    & skf18("3","1","7","3","9","9","1") = "8"
    & skf18("3","1","7","3","9","10","1") = "9"
    & skf18("3","1","7","3","10","1","1") = "9"
    & skf18("3","1","7","3","10","2","1") = "9"
    & skf18("3","1","7","3","10","3","1") = "9"
    & skf18("3","1","7","3","10","4","1") = "9"
    & skf18("3","1","7","3","10","5","1") = "9"
    & skf18("3","1","7","3","10","6","1") = "9"
    & skf18("3","1","7","3","10","7","1") = "9"
    & skf18("3","1","7","3","10","8","1") = "9"
    & skf18("3","1","7","3","10","9","1") = "9"
    & skf18("3","1","7","3","10","10","1") = "9"
    & skf18("3","1","7","4","1","1","1") = "6"
    & skf18("3","1","7","4","1","2","1") = "6"
    & skf18("3","1","7","4","1","3","1") = "6"
    & skf18("3","1","7","4","1","4","1") = "6"
    & skf18("3","1","7","4","1","5","1") = "6"
    & skf18("3","1","7","4","1","6","1") = "6"
    & skf18("3","1","7","4","1","7","1") = "6"
    & skf18("3","1","7","4","1","8","1") = "7"
    & skf18("3","1","7","4","1","9","1") = "8"
    & skf18("3","1","7","4","1","10","1") = "9"
    & skf18("3","1","7","4","2","1","1") = "6"
    & skf18("3","1","7","4","2","2","1") = "6"
    & skf18("3","1","7","4","2","3","1") = "6"
    & skf18("3","1","7","4","2","4","1") = "6"
    & skf18("3","1","7","4","2","5","1") = "6"
    & skf18("3","1","7","4","2","6","1") = "6"
    & skf18("3","1","7","4","2","7","1") = "6"
    & skf18("3","1","7","4","2","8","1") = "7"
    & skf18("3","1","7","4","2","9","1") = "8"
    & skf18("3","1","7","4","2","10","1") = "9"
    & skf18("3","1","7","4","3","1","1") = "6"
    & skf18("3","1","7","4","3","2","1") = "6"
    & skf18("3","1","7","4","3","3","1") = "6"
    & skf18("3","1","7","4","3","4","1") = "6"
    & skf18("3","1","7","4","3","5","1") = "6"
    & skf18("3","1","7","4","3","6","1") = "6"
    & skf18("3","1","7","4","3","7","1") = "6"
    & skf18("3","1","7","4","3","8","1") = "7"
    & skf18("3","1","7","4","3","9","1") = "8"
    & skf18("3","1","7","4","3","10","1") = "9"
    & skf18("3","1","7","4","4","1","1") = "6"
    & skf18("3","1","7","4","4","2","1") = "6"
    & skf18("3","1","7","4","4","3","1") = "6"
    & skf18("3","1","7","4","4","4","1") = "6"
    & skf18("3","1","7","4","4","5","1") = "6"
    & skf18("3","1","7","4","4","6","1") = "6"
    & skf18("3","1","7","4","4","7","1") = "6"
    & skf18("3","1","7","4","4","8","1") = "7"
    & skf18("3","1","7","4","4","9","1") = "8"
    & skf18("3","1","7","4","4","10","1") = "9"
    & skf18("3","1","7","4","5","1","1") = "6"
    & skf18("3","1","7","4","5","2","1") = "6"
    & skf18("3","1","7","4","5","3","1") = "6"
    & skf18("3","1","7","4","5","4","1") = "6"
    & skf18("3","1","7","4","5","5","1") = "6"
    & skf18("3","1","7","4","5","6","1") = "6"
    & skf18("3","1","7","4","5","7","1") = "6"
    & skf18("3","1","7","4","5","8","1") = "7"
    & skf18("3","1","7","4","5","9","1") = "8"
    & skf18("3","1","7","4","5","10","1") = "9"
    & skf18("3","1","7","4","6","1","1") = "6"
    & skf18("3","1","7","4","6","2","1") = "6"
    & skf18("3","1","7","4","6","3","1") = "6"
    & skf18("3","1","7","4","6","4","1") = "6"
    & skf18("3","1","7","4","6","5","1") = "6"
    & skf18("3","1","7","4","6","6","1") = "6"
    & skf18("3","1","7","4","6","7","1") = "6"
    & skf18("3","1","7","4","6","8","1") = "7"
    & skf18("3","1","7","4","6","9","1") = "8"
    & skf18("3","1","7","4","6","10","1") = "9"
    & skf18("3","1","7","4","7","1","1") = "6"
    & skf18("3","1","7","4","7","2","1") = "6"
    & skf18("3","1","7","4","7","3","1") = "6"
    & skf18("3","1","7","4","7","4","1") = "6"
    & skf18("3","1","7","4","7","5","1") = "6"
    & skf18("3","1","7","4","7","6","1") = "6"
    & skf18("3","1","7","4","7","7","1") = "6"
    & skf18("3","1","7","4","7","8","1") = "7"
    & skf18("3","1","7","4","7","9","1") = "8"
    & skf18("3","1","7","4","7","10","1") = "9"
    & skf18("3","1","7","4","8","1","1") = "7"
    & skf18("3","1","7","4","8","2","1") = "7"
    & skf18("3","1","7","4","8","3","1") = "7"
    & skf18("3","1","7","4","8","4","1") = "7"
    & skf18("3","1","7","4","8","5","1") = "7"
    & skf18("3","1","7","4","8","6","1") = "7"
    & skf18("3","1","7","4","8","7","1") = "7"
    & skf18("3","1","7","4","8","8","1") = "7"
    & skf18("3","1","7","4","8","9","1") = "8"
    & skf18("3","1","7","4","8","10","1") = "9"
    & skf18("3","1","7","4","9","1","1") = "8"
    & skf18("3","1","7","4","9","2","1") = "8"
    & skf18("3","1","7","4","9","3","1") = "8"
    & skf18("3","1","7","4","9","4","1") = "8"
    & skf18("3","1","7","4","9","5","1") = "8"
    & skf18("3","1","7","4","9","6","1") = "8"
    & skf18("3","1","7","4","9","7","1") = "8"
    & skf18("3","1","7","4","9","8","1") = "8"
    & skf18("3","1","7","4","9","9","1") = "8"
    & skf18("3","1","7","4","9","10","1") = "9"
    & skf18("3","1","7","4","10","1","1") = "9"
    & skf18("3","1","7","4","10","2","1") = "9"
    & skf18("3","1","7","4","10","3","1") = "9"
    & skf18("3","1","7","4","10","4","1") = "9"
    & skf18("3","1","7","4","10","5","1") = "9"
    & skf18("3","1","7","4","10","6","1") = "9"
    & skf18("3","1","7","4","10","7","1") = "9"
    & skf18("3","1","7","4","10","8","1") = "9"
    & skf18("3","1","7","4","10","9","1") = "9"
    & skf18("3","1","7","4","10","10","1") = "9"
    & skf18("3","1","7","5","1","1","1") = "6"
    & skf18("3","1","7","5","1","2","1") = "6"
    & skf18("3","1","7","5","1","3","1") = "6"
    & skf18("3","1","7","5","1","4","1") = "6"
    & skf18("3","1","7","5","1","5","1") = "6"
    & skf18("3","1","7","5","1","6","1") = "6"
    & skf18("3","1","7","5","1","7","1") = "6"
    & skf18("3","1","7","5","1","8","1") = "7"
    & skf18("3","1","7","5","1","9","1") = "8"
    & skf18("3","1","7","5","1","10","1") = "9"
    & skf18("3","1","7","5","2","1","1") = "6"
    & skf18("3","1","7","5","2","2","1") = "6"
    & skf18("3","1","7","5","2","3","1") = "6"
    & skf18("3","1","7","5","2","4","1") = "6"
    & skf18("3","1","7","5","2","5","1") = "6"
    & skf18("3","1","7","5","2","6","1") = "6"
    & skf18("3","1","7","5","2","7","1") = "6"
    & skf18("3","1","7","5","2","8","1") = "7"
    & skf18("3","1","7","5","2","9","1") = "8"
    & skf18("3","1","7","5","2","10","1") = "9"
    & skf18("3","1","7","5","3","1","1") = "6"
    & skf18("3","1","7","5","3","2","1") = "6"
    & skf18("3","1","7","5","3","3","1") = "6"
    & skf18("3","1","7","5","3","4","1") = "6"
    & skf18("3","1","7","5","3","5","1") = "6"
    & skf18("3","1","7","5","3","6","1") = "6"
    & skf18("3","1","7","5","3","7","1") = "6"
    & skf18("3","1","7","5","3","8","1") = "7"
    & skf18("3","1","7","5","3","9","1") = "8"
    & skf18("3","1","7","5","3","10","1") = "9"
    & skf18("3","1","7","5","4","1","1") = "6"
    & skf18("3","1","7","5","4","2","1") = "6"
    & skf18("3","1","7","5","4","3","1") = "6"
    & skf18("3","1","7","5","4","4","1") = "6"
    & skf18("3","1","7","5","4","5","1") = "6"
    & skf18("3","1","7","5","4","6","1") = "6"
    & skf18("3","1","7","5","4","7","1") = "6"
    & skf18("3","1","7","5","4","8","1") = "7"
    & skf18("3","1","7","5","4","9","1") = "8"
    & skf18("3","1","7","5","4","10","1") = "9"
    & skf18("3","1","7","5","5","1","1") = "6"
    & skf18("3","1","7","5","5","2","1") = "6"
    & skf18("3","1","7","5","5","3","1") = "6"
    & skf18("3","1","7","5","5","4","1") = "6"
    & skf18("3","1","7","5","5","5","1") = "6"
    & skf18("3","1","7","5","5","6","1") = "6"
    & skf18("3","1","7","5","5","7","1") = "6"
    & skf18("3","1","7","5","5","8","1") = "7"
    & skf18("3","1","7","5","5","9","1") = "8"
    & skf18("3","1","7","5","5","10","1") = "9"
    & skf18("3","1","7","5","6","1","1") = "6"
    & skf18("3","1","7","5","6","2","1") = "6"
    & skf18("3","1","7","5","6","3","1") = "6"
    & skf18("3","1","7","5","6","4","1") = "6"
    & skf18("3","1","7","5","6","5","1") = "6"
    & skf18("3","1","7","5","6","6","1") = "6"
    & skf18("3","1","7","5","6","7","1") = "6"
    & skf18("3","1","7","5","6","8","1") = "7"
    & skf18("3","1","7","5","6","9","1") = "8"
    & skf18("3","1","7","5","6","10","1") = "9"
    & skf18("3","1","7","5","7","1","1") = "6"
    & skf18("3","1","7","5","7","2","1") = "6"
    & skf18("3","1","7","5","7","3","1") = "6"
    & skf18("3","1","7","5","7","4","1") = "6"
    & skf18("3","1","7","5","7","5","1") = "6"
    & skf18("3","1","7","5","7","6","1") = "6"
    & skf18("3","1","7","5","7","7","1") = "6"
    & skf18("3","1","7","5","7","8","1") = "7"
    & skf18("3","1","7","5","7","9","1") = "8"
    & skf18("3","1","7","5","7","10","1") = "9"
    & skf18("3","1","7","5","8","1","1") = "7"
    & skf18("3","1","7","5","8","2","1") = "7"
    & skf18("3","1","7","5","8","3","1") = "7"
    & skf18("3","1","7","5","8","4","1") = "7"
    & skf18("3","1","7","5","8","5","1") = "7"
    & skf18("3","1","7","5","8","6","1") = "7"
    & skf18("3","1","7","5","8","7","1") = "7"
    & skf18("3","1","7","5","8","8","1") = "7"
    & skf18("3","1","7","5","8","9","1") = "8"
    & skf18("3","1","7","5","8","10","1") = "9"
    & skf18("3","1","7","5","9","1","1") = "8"
    & skf18("3","1","7","5","9","2","1") = "8"
    & skf18("3","1","7","5","9","3","1") = "8"
    & skf18("3","1","7","5","9","4","1") = "8"
    & skf18("3","1","7","5","9","5","1") = "8"
    & skf18("3","1","7","5","9","6","1") = "8"
    & skf18("3","1","7","5","9","7","1") = "8"
    & skf18("3","1","7","5","9","8","1") = "8"
    & skf18("3","1","7","5","9","9","1") = "8"
    & skf18("3","1","7","5","9","10","1") = "9"
    & skf18("3","1","7","5","10","1","1") = "9"
    & skf18("3","1","7","5","10","2","1") = "9"
    & skf18("3","1","7","5","10","3","1") = "9"
    & skf18("3","1","7","5","10","4","1") = "9"
    & skf18("3","1","7","5","10","5","1") = "9"
    & skf18("3","1","7","5","10","6","1") = "9"
    & skf18("3","1","7","5","10","7","1") = "9"
    & skf18("3","1","7","5","10","8","1") = "9"
    & skf18("3","1","7","5","10","9","1") = "9"
    & skf18("3","1","7","5","10","10","1") = "9"
    & skf18("3","1","7","6","1","1","1") = "6"
    & skf18("3","1","7","6","1","2","1") = "6"
    & skf18("3","1","7","6","1","3","1") = "6"
    & skf18("3","1","7","6","1","4","1") = "6"
    & skf18("3","1","7","6","1","5","1") = "6"
    & skf18("3","1","7","6","1","6","1") = "6"
    & skf18("3","1","7","6","1","7","1") = "6"
    & skf18("3","1","7","6","1","8","1") = "7"
    & skf18("3","1","7","6","1","9","1") = "8"
    & skf18("3","1","7","6","1","10","1") = "9"
    & skf18("3","1","7","6","2","1","1") = "6"
    & skf18("3","1","7","6","2","2","1") = "6"
    & skf18("3","1","7","6","2","3","1") = "6"
    & skf18("3","1","7","6","2","4","1") = "6"
    & skf18("3","1","7","6","2","5","1") = "6"
    & skf18("3","1","7","6","2","6","1") = "6"
    & skf18("3","1","7","6","2","7","1") = "6"
    & skf18("3","1","7","6","2","8","1") = "7"
    & skf18("3","1","7","6","2","9","1") = "8"
    & skf18("3","1","7","6","2","10","1") = "9"
    & skf18("3","1","7","6","3","1","1") = "6"
    & skf18("3","1","7","6","3","2","1") = "6"
    & skf18("3","1","7","6","3","3","1") = "6"
    & skf18("3","1","7","6","3","4","1") = "6"
    & skf18("3","1","7","6","3","5","1") = "6"
    & skf18("3","1","7","6","3","6","1") = "6"
    & skf18("3","1","7","6","3","7","1") = "6"
    & skf18("3","1","7","6","3","8","1") = "7"
    & skf18("3","1","7","6","3","9","1") = "8"
    & skf18("3","1","7","6","3","10","1") = "9"
    & skf18("3","1","7","6","4","1","1") = "6"
    & skf18("3","1","7","6","4","2","1") = "6"
    & skf18("3","1","7","6","4","3","1") = "6"
    & skf18("3","1","7","6","4","4","1") = "6"
    & skf18("3","1","7","6","4","5","1") = "6"
    & skf18("3","1","7","6","4","6","1") = "6"
    & skf18("3","1","7","6","4","7","1") = "6"
    & skf18("3","1","7","6","4","8","1") = "7"
    & skf18("3","1","7","6","4","9","1") = "8"
    & skf18("3","1","7","6","4","10","1") = "9"
    & skf18("3","1","7","6","5","1","1") = "6"
    & skf18("3","1","7","6","5","2","1") = "6"
    & skf18("3","1","7","6","5","3","1") = "6"
    & skf18("3","1","7","6","5","4","1") = "6"
    & skf18("3","1","7","6","5","5","1") = "6"
    & skf18("3","1","7","6","5","6","1") = "6"
    & skf18("3","1","7","6","5","7","1") = "6"
    & skf18("3","1","7","6","5","8","1") = "7"
    & skf18("3","1","7","6","5","9","1") = "8"
    & skf18("3","1","7","6","5","10","1") = "9"
    & skf18("3","1","7","6","6","1","1") = "6"
    & skf18("3","1","7","6","6","2","1") = "6"
    & skf18("3","1","7","6","6","3","1") = "6"
    & skf18("3","1","7","6","6","4","1") = "6"
    & skf18("3","1","7","6","6","5","1") = "6"
    & skf18("3","1","7","6","6","6","1") = "6"
    & skf18("3","1","7","6","6","7","1") = "6"
    & skf18("3","1","7","6","6","8","1") = "7"
    & skf18("3","1","7","6","6","9","1") = "8"
    & skf18("3","1","7","6","6","10","1") = "9"
    & skf18("3","1","7","6","7","1","1") = "6"
    & skf18("3","1","7","6","7","2","1") = "6"
    & skf18("3","1","7","6","7","3","1") = "6"
    & skf18("3","1","7","6","7","4","1") = "6"
    & skf18("3","1","7","6","7","5","1") = "6"
    & skf18("3","1","7","6","7","6","1") = "6"
    & skf18("3","1","7","6","7","7","1") = "6"
    & skf18("3","1","7","6","7","8","1") = "7"
    & skf18("3","1","7","6","7","9","1") = "8"
    & skf18("3","1","7","6","7","10","1") = "9"
    & skf18("3","1","7","6","8","1","1") = "7"
    & skf18("3","1","7","6","8","2","1") = "7"
    & skf18("3","1","7","6","8","3","1") = "7"
    & skf18("3","1","7","6","8","4","1") = "7"
    & skf18("3","1","7","6","8","5","1") = "7"
    & skf18("3","1","7","6","8","6","1") = "7"
    & skf18("3","1","7","6","8","7","1") = "7"
    & skf18("3","1","7","6","8","8","1") = "7"
    & skf18("3","1","7","6","8","9","1") = "8"
    & skf18("3","1","7","6","8","10","1") = "9"
    & skf18("3","1","7","6","9","1","1") = "8"
    & skf18("3","1","7","6","9","2","1") = "8"
    & skf18("3","1","7","6","9","3","1") = "8"
    & skf18("3","1","7","6","9","4","1") = "8"
    & skf18("3","1","7","6","9","5","1") = "8"
    & skf18("3","1","7","6","9","6","1") = "8"
    & skf18("3","1","7","6","9","7","1") = "8"
    & skf18("3","1","7","6","9","8","1") = "8"
    & skf18("3","1","7","6","9","9","1") = "8"
    & skf18("3","1","7","6","9","10","1") = "9"
    & skf18("3","1","7","6","10","1","1") = "9"
    & skf18("3","1","7","6","10","2","1") = "9"
    & skf18("3","1","7","6","10","3","1") = "9"
    & skf18("3","1","7","6","10","4","1") = "9"
    & skf18("3","1","7","6","10","5","1") = "9"
    & skf18("3","1","7","6","10","6","1") = "9"
    & skf18("3","1","7","6","10","7","1") = "9"
    & skf18("3","1","7","6","10","8","1") = "9"
    & skf18("3","1","7","6","10","9","1") = "9"
    & skf18("3","1","7","6","10","10","1") = "9"
    & skf18("3","1","7","7","1","1","1") = "6"
    & skf18("3","1","7","7","1","2","1") = "6"
    & skf18("3","1","7","7","1","3","1") = "6"
    & skf18("3","1","7","7","1","4","1") = "6"
    & skf18("3","1","7","7","1","5","1") = "6"
    & skf18("3","1","7","7","1","6","1") = "6"
    & skf18("3","1","7","7","1","7","1") = "6"
    & skf18("3","1","7","7","1","8","1") = "7"
    & skf18("3","1","7","7","1","9","1") = "8"
    & skf18("3","1","7","7","1","10","1") = "9"
    & skf18("3","1","7","7","2","1","1") = "6"
    & skf18("3","1","7","7","2","2","1") = "6"
    & skf18("3","1","7","7","2","3","1") = "6"
    & skf18("3","1","7","7","2","4","1") = "6"
    & skf18("3","1","7","7","2","5","1") = "6"
    & skf18("3","1","7","7","2","6","1") = "6"
    & skf18("3","1","7","7","2","7","1") = "6"
    & skf18("3","1","7","7","2","8","1") = "7"
    & skf18("3","1","7","7","2","9","1") = "8"
    & skf18("3","1","7","7","2","10","1") = "9"
    & skf18("3","1","7","7","3","1","1") = "6"
    & skf18("3","1","7","7","3","2","1") = "6"
    & skf18("3","1","7","7","3","3","1") = "6"
    & skf18("3","1","7","7","3","4","1") = "6"
    & skf18("3","1","7","7","3","5","1") = "6"
    & skf18("3","1","7","7","3","6","1") = "6"
    & skf18("3","1","7","7","3","7","1") = "6"
    & skf18("3","1","7","7","3","8","1") = "7"
    & skf18("3","1","7","7","3","9","1") = "8"
    & skf18("3","1","7","7","3","10","1") = "9"
    & skf18("3","1","7","7","4","1","1") = "6"
    & skf18("3","1","7","7","4","2","1") = "6"
    & skf18("3","1","7","7","4","3","1") = "6"
    & skf18("3","1","7","7","4","4","1") = "6"
    & skf18("3","1","7","7","4","5","1") = "6"
    & skf18("3","1","7","7","4","6","1") = "6"
    & skf18("3","1","7","7","4","7","1") = "6"
    & skf18("3","1","7","7","4","8","1") = "7"
    & skf18("3","1","7","7","4","9","1") = "8"
    & skf18("3","1","7","7","4","10","1") = "9"
    & skf18("3","1","7","7","5","1","1") = "6"
    & skf18("3","1","7","7","5","2","1") = "6"
    & skf18("3","1","7","7","5","3","1") = "6"
    & skf18("3","1","7","7","5","4","1") = "6"
    & skf18("3","1","7","7","5","5","1") = "6"
    & skf18("3","1","7","7","5","6","1") = "6"
    & skf18("3","1","7","7","5","7","1") = "6"
    & skf18("3","1","7","7","5","8","1") = "7"
    & skf18("3","1","7","7","5","9","1") = "8"
    & skf18("3","1","7","7","5","10","1") = "9"
    & skf18("3","1","7","7","6","1","1") = "6"
    & skf18("3","1","7","7","6","2","1") = "6"
    & skf18("3","1","7","7","6","3","1") = "6"
    & skf18("3","1","7","7","6","4","1") = "6"
    & skf18("3","1","7","7","6","5","1") = "6"
    & skf18("3","1","7","7","6","6","1") = "6"
    & skf18("3","1","7","7","6","7","1") = "6"
    & skf18("3","1","7","7","6","8","1") = "7"
    & skf18("3","1","7","7","6","9","1") = "8"
    & skf18("3","1","7","7","6","10","1") = "9"
    & skf18("3","1","7","7","7","1","1") = "6"
    & skf18("3","1","7","7","7","2","1") = "6"
    & skf18("3","1","7","7","7","3","1") = "6"
    & skf18("3","1","7","7","7","4","1") = "6"
    & skf18("3","1","7","7","7","5","1") = "6"
    & skf18("3","1","7","7","7","6","1") = "6"
    & skf18("3","1","7","7","7","7","1") = "6"
    & skf18("3","1","7","7","7","8","1") = "7"
    & skf18("3","1","7","7","7","9","1") = "8"
    & skf18("3","1","7","7","7","10","1") = "9"
    & skf18("3","1","7","7","8","1","1") = "7"
    & skf18("3","1","7","7","8","2","1") = "7"
    & skf18("3","1","7","7","8","3","1") = "7"
    & skf18("3","1","7","7","8","4","1") = "7"
    & skf18("3","1","7","7","8","5","1") = "7"
    & skf18("3","1","7","7","8","6","1") = "7"
    & skf18("3","1","7","7","8","7","1") = "7"
    & skf18("3","1","7","7","8","8","1") = "7"
    & skf18("3","1","7","7","8","9","1") = "8"
    & skf18("3","1","7","7","8","10","1") = "9"
    & skf18("3","1","7","7","9","1","1") = "8"
    & skf18("3","1","7","7","9","2","1") = "8"
    & skf18("3","1","7","7","9","3","1") = "8"
    & skf18("3","1","7","7","9","4","1") = "8"
    & skf18("3","1","7","7","9","5","1") = "8"
    & skf18("3","1","7","7","9","6","1") = "8"
    & skf18("3","1","7","7","9","7","1") = "8"
    & skf18("3","1","7","7","9","8","1") = "8"
    & skf18("3","1","7","7","9","9","1") = "8"
    & skf18("3","1","7","7","9","10","1") = "9"
    & skf18("3","1","7","7","10","1","1") = "9"
    & skf18("3","1","7","7","10","2","1") = "9"
    & skf18("3","1","7","7","10","3","1") = "9"
    & skf18("3","1","7","7","10","4","1") = "9"
    & skf18("3","1","7","7","10","5","1") = "9"
    & skf18("3","1","7","7","10","6","1") = "9"
    & skf18("3","1","7","7","10","7","1") = "9"
    & skf18("3","1","7","7","10","8","1") = "9"
    & skf18("3","1","7","7","10","9","1") = "9"
    & skf18("3","1","7","7","10","10","1") = "9"
    & skf18("3","1","7","8","1","1","1") = "7"
    & skf18("3","1","7","8","1","2","1") = "7"
    & skf18("3","1","7","8","1","3","1") = "7"
    & skf18("3","1","7","8","1","4","1") = "7"
    & skf18("3","1","7","8","1","5","1") = "7"
    & skf18("3","1","7","8","1","6","1") = "7"
    & skf18("3","1","7","8","1","7","1") = "7"
    & skf18("3","1","7","8","1","8","1") = "7"
    & skf18("3","1","7","8","1","9","1") = "8"
    & skf18("3","1","7","8","1","10","1") = "9"
    & skf18("3","1","7","8","2","1","1") = "7"
    & skf18("3","1","7","8","2","2","1") = "7"
    & skf18("3","1","7","8","2","3","1") = "7"
    & skf18("3","1","7","8","2","4","1") = "7"
    & skf18("3","1","7","8","2","5","1") = "7"
    & skf18("3","1","7","8","2","6","1") = "7"
    & skf18("3","1","7","8","2","7","1") = "7"
    & skf18("3","1","7","8","2","8","1") = "7"
    & skf18("3","1","7","8","2","9","1") = "8"
    & skf18("3","1","7","8","2","10","1") = "9"
    & skf18("3","1","7","8","3","1","1") = "7"
    & skf18("3","1","7","8","3","2","1") = "7"
    & skf18("3","1","7","8","3","3","1") = "7"
    & skf18("3","1","7","8","3","4","1") = "7"
    & skf18("3","1","7","8","3","5","1") = "7"
    & skf18("3","1","7","8","3","6","1") = "7"
    & skf18("3","1","7","8","3","7","1") = "7"
    & skf18("3","1","7","8","3","8","1") = "7"
    & skf18("3","1","7","8","3","9","1") = "8"
    & skf18("3","1","7","8","3","10","1") = "9"
    & skf18("3","1","7","8","4","1","1") = "7"
    & skf18("3","1","7","8","4","2","1") = "7"
    & skf18("3","1","7","8","4","3","1") = "7"
    & skf18("3","1","7","8","4","4","1") = "7"
    & skf18("3","1","7","8","4","5","1") = "7"
    & skf18("3","1","7","8","4","6","1") = "7"
    & skf18("3","1","7","8","4","7","1") = "7"
    & skf18("3","1","7","8","4","8","1") = "7"
    & skf18("3","1","7","8","4","9","1") = "8"
    & skf18("3","1","7","8","4","10","1") = "9"
    & skf18("3","1","7","8","5","1","1") = "7"
    & skf18("3","1","7","8","5","2","1") = "7"
    & skf18("3","1","7","8","5","3","1") = "7"
    & skf18("3","1","7","8","5","4","1") = "7"
    & skf18("3","1","7","8","5","5","1") = "7"
    & skf18("3","1","7","8","5","6","1") = "7"
    & skf18("3","1","7","8","5","7","1") = "7"
    & skf18("3","1","7","8","5","8","1") = "7"
    & skf18("3","1","7","8","5","9","1") = "8"
    & skf18("3","1","7","8","5","10","1") = "9"
    & skf18("3","1","7","8","6","1","1") = "7"
    & skf18("3","1","7","8","6","2","1") = "7"
    & skf18("3","1","7","8","6","3","1") = "7"
    & skf18("3","1","7","8","6","4","1") = "7"
    & skf18("3","1","7","8","6","5","1") = "7"
    & skf18("3","1","7","8","6","6","1") = "7"
    & skf18("3","1","7","8","6","7","1") = "7"
    & skf18("3","1","7","8","6","8","1") = "7"
    & skf18("3","1","7","8","6","9","1") = "8"
    & skf18("3","1","7","8","6","10","1") = "9"
    & skf18("3","1","7","8","7","1","1") = "7"
    & skf18("3","1","7","8","7","2","1") = "7"
    & skf18("3","1","7","8","7","3","1") = "7"
    & skf18("3","1","7","8","7","4","1") = "7"
    & skf18("3","1","7","8","7","5","1") = "7"
    & skf18("3","1","7","8","7","6","1") = "7"
    & skf18("3","1","7","8","7","7","1") = "7"
    & skf18("3","1","7","8","7","8","1") = "7"
    & skf18("3","1","7","8","7","9","1") = "8"
    & skf18("3","1","7","8","7","10","1") = "9"
    & skf18("3","1","7","8","8","1","1") = "7"
    & skf18("3","1","7","8","8","2","1") = "7"
    & skf18("3","1","7","8","8","3","1") = "7"
    & skf18("3","1","7","8","8","4","1") = "7"
    & skf18("3","1","7","8","8","5","1") = "7"
    & skf18("3","1","7","8","8","6","1") = "7"
    & skf18("3","1","7","8","8","7","1") = "7"
    & skf18("3","1","7","8","8","8","1") = "7"
    & skf18("3","1","7","8","8","9","1") = "8"
    & skf18("3","1","7","8","8","10","1") = "9"
    & skf18("3","1","7","8","9","1","1") = "8"
    & skf18("3","1","7","8","9","2","1") = "8"
    & skf18("3","1","7","8","9","3","1") = "8"
    & skf18("3","1","7","8","9","4","1") = "8"
    & skf18("3","1","7","8","9","5","1") = "8"
    & skf18("3","1","7","8","9","6","1") = "8"
    & skf18("3","1","7","8","9","7","1") = "8"
    & skf18("3","1","7","8","9","8","1") = "8"
    & skf18("3","1","7","8","9","9","1") = "8"
    & skf18("3","1","7","8","9","10","1") = "9"
    & skf18("3","1","7","8","10","1","1") = "9"
    & skf18("3","1","7","8","10","2","1") = "9"
    & skf18("3","1","7","8","10","3","1") = "9"
    & skf18("3","1","7","8","10","4","1") = "9"
    & skf18("3","1","7","8","10","5","1") = "9"
    & skf18("3","1","7","8","10","6","1") = "9"
    & skf18("3","1","7","8","10","7","1") = "9"
    & skf18("3","1","7","8","10","8","1") = "9"
    & skf18("3","1","7","8","10","9","1") = "9"
    & skf18("3","1","7","8","10","10","1") = "9"
    & skf18("3","1","7","9","1","1","1") = "8"
    & skf18("3","1","7","9","1","2","1") = "8"
    & skf18("3","1","7","9","1","3","1") = "8"
    & skf18("3","1","7","9","1","4","1") = "8"
    & skf18("3","1","7","9","1","5","1") = "8"
    & skf18("3","1","7","9","1","6","1") = "8"
    & skf18("3","1","7","9","1","7","1") = "8"
    & skf18("3","1","7","9","1","8","1") = "8"
    & skf18("3","1","7","9","1","9","1") = "8"
    & skf18("3","1","7","9","1","10","1") = "9"
    & skf18("3","1","7","9","2","1","1") = "8"
    & skf18("3","1","7","9","2","2","1") = "8"
    & skf18("3","1","7","9","2","3","1") = "8"
    & skf18("3","1","7","9","2","4","1") = "8"
    & skf18("3","1","7","9","2","5","1") = "8"
    & skf18("3","1","7","9","2","6","1") = "8"
    & skf18("3","1","7","9","2","7","1") = "8"
    & skf18("3","1","7","9","2","8","1") = "8"
    & skf18("3","1","7","9","2","9","1") = "8"
    & skf18("3","1","7","9","2","10","1") = "9"
    & skf18("3","1","7","9","3","1","1") = "8"
    & skf18("3","1","7","9","3","2","1") = "8"
    & skf18("3","1","7","9","3","3","1") = "8"
    & skf18("3","1","7","9","3","4","1") = "8"
    & skf18("3","1","7","9","3","5","1") = "8"
    & skf18("3","1","7","9","3","6","1") = "8"
    & skf18("3","1","7","9","3","7","1") = "8"
    & skf18("3","1","7","9","3","8","1") = "8"
    & skf18("3","1","7","9","3","9","1") = "8"
    & skf18("3","1","7","9","3","10","1") = "9"
    & skf18("3","1","7","9","4","1","1") = "8"
    & skf18("3","1","7","9","4","2","1") = "8"
    & skf18("3","1","7","9","4","3","1") = "8"
    & skf18("3","1","7","9","4","4","1") = "8"
    & skf18("3","1","7","9","4","5","1") = "8"
    & skf18("3","1","7","9","4","6","1") = "8"
    & skf18("3","1","7","9","4","7","1") = "8"
    & skf18("3","1","7","9","4","8","1") = "8"
    & skf18("3","1","7","9","4","9","1") = "8"
    & skf18("3","1","7","9","4","10","1") = "9"
    & skf18("3","1","7","9","5","1","1") = "8"
    & skf18("3","1","7","9","5","2","1") = "8"
    & skf18("3","1","7","9","5","3","1") = "8"
    & skf18("3","1","7","9","5","4","1") = "8"
    & skf18("3","1","7","9","5","5","1") = "8"
    & skf18("3","1","7","9","5","6","1") = "8"
    & skf18("3","1","7","9","5","7","1") = "8"
    & skf18("3","1","7","9","5","8","1") = "8"
    & skf18("3","1","7","9","5","9","1") = "8"
    & skf18("3","1","7","9","5","10","1") = "9"
    & skf18("3","1","7","9","6","1","1") = "8"
    & skf18("3","1","7","9","6","2","1") = "8"
    & skf18("3","1","7","9","6","3","1") = "8"
    & skf18("3","1","7","9","6","4","1") = "8"
    & skf18("3","1","7","9","6","5","1") = "8"
    & skf18("3","1","7","9","6","6","1") = "8"
    & skf18("3","1","7","9","6","7","1") = "8"
    & skf18("3","1","7","9","6","8","1") = "8"
    & skf18("3","1","7","9","6","9","1") = "8"
    & skf18("3","1","7","9","6","10","1") = "9"
    & skf18("3","1","7","9","7","1","1") = "8"
    & skf18("3","1","7","9","7","2","1") = "8"
    & skf18("3","1","7","9","7","3","1") = "8"
    & skf18("3","1","7","9","7","4","1") = "8"
    & skf18("3","1","7","9","7","5","1") = "8"
    & skf18("3","1","7","9","7","6","1") = "8"
    & skf18("3","1","7","9","7","7","1") = "8"
    & skf18("3","1","7","9","7","8","1") = "8"
    & skf18("3","1","7","9","7","9","1") = "8"
    & skf18("3","1","7","9","7","10","1") = "9"
    & skf18("3","1","7","9","8","1","1") = "8"
    & skf18("3","1","7","9","8","2","1") = "8"
    & skf18("3","1","7","9","8","3","1") = "8"
    & skf18("3","1","7","9","8","4","1") = "8"
    & skf18("3","1","7","9","8","5","1") = "8"
    & skf18("3","1","7","9","8","6","1") = "8"
    & skf18("3","1","7","9","8","7","1") = "8"
    & skf18("3","1","7","9","8","8","1") = "8"
    & skf18("3","1","7","9","8","9","1") = "8"
    & skf18("3","1","7","9","8","10","1") = "9"
    & skf18("3","1","7","9","9","1","1") = "8"
    & skf18("3","1","7","9","9","2","1") = "8"
    & skf18("3","1","7","9","9","3","1") = "8"
    & skf18("3","1","7","9","9","4","1") = "8"
    & skf18("3","1","7","9","9","5","1") = "8"
    & skf18("3","1","7","9","9","6","1") = "8"
    & skf18("3","1","7","9","9","7","1") = "8"
    & skf18("3","1","7","9","9","8","1") = "8"
    & skf18("3","1","7","9","9","9","1") = "8"
    & skf18("3","1","7","9","9","10","1") = "9"
    & skf18("3","1","7","9","10","1","1") = "9"
    & skf18("3","1","7","9","10","2","1") = "9"
    & skf18("3","1","7","9","10","3","1") = "9"
    & skf18("3","1","7","9","10","4","1") = "9"
    & skf18("3","1","7","9","10","5","1") = "9"
    & skf18("3","1","7","9","10","6","1") = "9"
    & skf18("3","1","7","9","10","7","1") = "9"
    & skf18("3","1","7","9","10","8","1") = "9"
    & skf18("3","1","7","9","10","9","1") = "9"
    & skf18("3","1","7","9","10","10","1") = "9"
    & skf18("3","1","7","10","1","1","1") = "9"
    & skf18("3","1","7","10","1","2","1") = "9"
    & skf18("3","1","7","10","1","3","1") = "9"
    & skf18("3","1","7","10","1","4","1") = "9"
    & skf18("3","1","7","10","1","5","1") = "9"
    & skf18("3","1","7","10","1","6","1") = "9"
    & skf18("3","1","7","10","1","7","1") = "9"
    & skf18("3","1","7","10","1","8","1") = "9"
    & skf18("3","1","7","10","1","9","1") = "9"
    & skf18("3","1","7","10","1","10","1") = "9"
    & skf18("3","1","7","10","2","1","1") = "9"
    & skf18("3","1","7","10","2","2","1") = "9"
    & skf18("3","1","7","10","2","3","1") = "9"
    & skf18("3","1","7","10","2","4","1") = "9"
    & skf18("3","1","7","10","2","5","1") = "9"
    & skf18("3","1","7","10","2","6","1") = "9"
    & skf18("3","1","7","10","2","7","1") = "9"
    & skf18("3","1","7","10","2","8","1") = "9"
    & skf18("3","1","7","10","2","9","1") = "9"
    & skf18("3","1","7","10","2","10","1") = "9"
    & skf18("3","1","7","10","3","1","1") = "9"
    & skf18("3","1","7","10","3","2","1") = "9"
    & skf18("3","1","7","10","3","3","1") = "9"
    & skf18("3","1","7","10","3","4","1") = "9"
    & skf18("3","1","7","10","3","5","1") = "9"
    & skf18("3","1","7","10","3","6","1") = "9"
    & skf18("3","1","7","10","3","7","1") = "9"
    & skf18("3","1","7","10","3","8","1") = "9"
    & skf18("3","1","7","10","3","9","1") = "9"
    & skf18("3","1","7","10","3","10","1") = "9"
    & skf18("3","1","7","10","4","1","1") = "9"
    & skf18("3","1","7","10","4","2","1") = "9"
    & skf18("3","1","7","10","4","3","1") = "9"
    & skf18("3","1","7","10","4","4","1") = "9"
    & skf18("3","1","7","10","4","5","1") = "9"
    & skf18("3","1","7","10","4","6","1") = "9"
    & skf18("3","1","7","10","4","7","1") = "9"
    & skf18("3","1","7","10","4","8","1") = "9"
    & skf18("3","1","7","10","4","9","1") = "9"
    & skf18("3","1","7","10","4","10","1") = "9"
    & skf18("3","1","7","10","5","1","1") = "9"
    & skf18("3","1","7","10","5","2","1") = "9"
    & skf18("3","1","7","10","5","3","1") = "9"
    & skf18("3","1","7","10","5","4","1") = "9"
    & skf18("3","1","7","10","5","5","1") = "9"
    & skf18("3","1","7","10","5","6","1") = "9"
    & skf18("3","1","7","10","5","7","1") = "9"
    & skf18("3","1","7","10","5","8","1") = "9"
    & skf18("3","1","7","10","5","9","1") = "9"
    & skf18("3","1","7","10","5","10","1") = "9"
    & skf18("3","1","7","10","6","1","1") = "9"
    & skf18("3","1","7","10","6","2","1") = "9"
    & skf18("3","1","7","10","6","3","1") = "9"
    & skf18("3","1","7","10","6","4","1") = "9"
    & skf18("3","1","7","10","6","5","1") = "9"
    & skf18("3","1","7","10","6","6","1") = "9"
    & skf18("3","1","7","10","6","7","1") = "9"
    & skf18("3","1","7","10","6","8","1") = "9"
    & skf18("3","1","7","10","6","9","1") = "9"
    & skf18("3","1","7","10","6","10","1") = "9"
    & skf18("3","1","7","10","7","1","1") = "9"
    & skf18("3","1","7","10","7","2","1") = "9"
    & skf18("3","1","7","10","7","3","1") = "9"
    & skf18("3","1","7","10","7","4","1") = "9"
    & skf18("3","1","7","10","7","5","1") = "9"
    & skf18("3","1","7","10","7","6","1") = "9"
    & skf18("3","1","7","10","7","7","1") = "9"
    & skf18("3","1","7","10","7","8","1") = "9"
    & skf18("3","1","7","10","7","9","1") = "9"
    & skf18("3","1","7","10","7","10","1") = "9"
    & skf18("3","1","7","10","8","1","1") = "9"
    & skf18("3","1","7","10","8","2","1") = "9"
    & skf18("3","1","7","10","8","3","1") = "9"
    & skf18("3","1","7","10","8","4","1") = "9"
    & skf18("3","1","7","10","8","5","1") = "9"
    & skf18("3","1","7","10","8","6","1") = "9"
    & skf18("3","1","7","10","8","7","1") = "9"
    & skf18("3","1","7","10","8","8","1") = "9"
    & skf18("3","1","7","10","8","9","1") = "9"
    & skf18("3","1","7","10","8","10","1") = "9"
    & skf18("3","1","7","10","9","1","1") = "9"
    & skf18("3","1","7","10","9","2","1") = "9"
    & skf18("3","1","7","10","9","3","1") = "9"
    & skf18("3","1","7","10","9","4","1") = "9"
    & skf18("3","1","7","10","9","5","1") = "9"
    & skf18("3","1","7","10","9","6","1") = "9"
    & skf18("3","1","7","10","9","7","1") = "9"
    & skf18("3","1","7","10","9","8","1") = "9"
    & skf18("3","1","7","10","9","9","1") = "9"
    & skf18("3","1","7","10","9","10","1") = "9"
    & skf18("3","1","7","10","10","1","1") = "9"
    & skf18("3","1","7","10","10","2","1") = "9"
    & skf18("3","1","7","10","10","3","1") = "9"
    & skf18("3","1","7","10","10","4","1") = "9"
    & skf18("3","1","7","10","10","5","1") = "9"
    & skf18("3","1","7","10","10","6","1") = "9"
    & skf18("3","1","7","10","10","7","1") = "9"
    & skf18("3","1","7","10","10","8","1") = "9"
    & skf18("3","1","7","10","10","9","1") = "9"
    & skf18("3","1","7","10","10","10","1") = "9"
    & skf18("3","1","8","1","1","1","1") = "7"
    & skf18("3","1","8","1","1","2","1") = "7"
    & skf18("3","1","8","1","1","3","1") = "7"
    & skf18("3","1","8","1","1","4","1") = "7"
    & skf18("3","1","8","1","1","5","1") = "7"
    & skf18("3","1","8","1","1","6","1") = "7"
    & skf18("3","1","8","1","1","7","1") = "7"
    & skf18("3","1","8","1","1","8","1") = "7"
    & skf18("3","1","8","1","1","9","1") = "8"
    & skf18("3","1","8","1","1","10","1") = "9"
    & skf18("3","1","8","1","2","1","1") = "7"
    & skf18("3","1","8","1","2","2","1") = "7"
    & skf18("3","1","8","1","2","3","1") = "7"
    & skf18("3","1","8","1","2","4","1") = "7"
    & skf18("3","1","8","1","2","5","1") = "7"
    & skf18("3","1","8","1","2","6","1") = "7"
    & skf18("3","1","8","1","2","7","1") = "7"
    & skf18("3","1","8","1","2","8","1") = "7"
    & skf18("3","1","8","1","2","9","1") = "8"
    & skf18("3","1","8","1","2","10","1") = "9"
    & skf18("3","1","8","1","3","1","1") = "7"
    & skf18("3","1","8","1","3","2","1") = "7"
    & skf18("3","1","8","1","3","3","1") = "7"
    & skf18("3","1","8","1","3","4","1") = "7"
    & skf18("3","1","8","1","3","5","1") = "7"
    & skf18("3","1","8","1","3","6","1") = "7"
    & skf18("3","1","8","1","3","7","1") = "7"
    & skf18("3","1","8","1","3","8","1") = "7"
    & skf18("3","1","8","1","3","9","1") = "8"
    & skf18("3","1","8","1","3","10","1") = "9"
    & skf18("3","1","8","1","4","1","1") = "7"
    & skf18("3","1","8","1","4","2","1") = "7"
    & skf18("3","1","8","1","4","3","1") = "7"
    & skf18("3","1","8","1","4","4","1") = "7"
    & skf18("3","1","8","1","4","5","1") = "7"
    & skf18("3","1","8","1","4","6","1") = "7"
    & skf18("3","1","8","1","4","7","1") = "7"
    & skf18("3","1","8","1","4","8","1") = "7"
    & skf18("3","1","8","1","4","9","1") = "8"
    & skf18("3","1","8","1","4","10","1") = "9"
    & skf18("3","1","8","1","5","1","1") = "7"
    & skf18("3","1","8","1","5","2","1") = "7"
    & skf18("3","1","8","1","5","3","1") = "7"
    & skf18("3","1","8","1","5","4","1") = "7"
    & skf18("3","1","8","1","5","5","1") = "7"
    & skf18("3","1","8","1","5","6","1") = "7"
    & skf18("3","1","8","1","5","7","1") = "7"
    & skf18("3","1","8","1","5","8","1") = "7"
    & skf18("3","1","8","1","5","9","1") = "8"
    & skf18("3","1","8","1","5","10","1") = "9"
    & skf18("3","1","8","1","6","1","1") = "7"
    & skf18("3","1","8","1","6","2","1") = "7"
    & skf18("3","1","8","1","6","3","1") = "7"
    & skf18("3","1","8","1","6","4","1") = "7"
    & skf18("3","1","8","1","6","5","1") = "7"
    & skf18("3","1","8","1","6","6","1") = "7"
    & skf18("3","1","8","1","6","7","1") = "7"
    & skf18("3","1","8","1","6","8","1") = "7"
    & skf18("3","1","8","1","6","9","1") = "8"
    & skf18("3","1","8","1","6","10","1") = "9"
    & skf18("3","1","8","1","7","1","1") = "7"
    & skf18("3","1","8","1","7","2","1") = "7"
    & skf18("3","1","8","1","7","3","1") = "7"
    & skf18("3","1","8","1","7","4","1") = "7"
    & skf18("3","1","8","1","7","5","1") = "7"
    & skf18("3","1","8","1","7","6","1") = "7"
    & skf18("3","1","8","1","7","7","1") = "7"
    & skf18("3","1","8","1","7","8","1") = "7"
    & skf18("3","1","8","1","7","9","1") = "8"
    & skf18("3","1","8","1","7","10","1") = "9"
    & skf18("3","1","8","1","8","1","1") = "7"
    & skf18("3","1","8","1","8","2","1") = "7"
    & skf18("3","1","8","1","8","3","1") = "7"
    & skf18("3","1","8","1","8","4","1") = "7"
    & skf18("3","1","8","1","8","5","1") = "7"
    & skf18("3","1","8","1","8","6","1") = "7"
    & skf18("3","1","8","1","8","7","1") = "7"
    & skf18("3","1","8","1","8","8","1") = "7"
    & skf18("3","1","8","1","8","9","1") = "8"
    & skf18("3","1","8","1","8","10","1") = "9"
    & skf18("3","1","8","1","9","1","1") = "8"
    & skf18("3","1","8","1","9","2","1") = "8"
    & skf18("3","1","8","1","9","3","1") = "8"
    & skf18("3","1","8","1","9","4","1") = "8"
    & skf18("3","1","8","1","9","5","1") = "8"
    & skf18("3","1","8","1","9","6","1") = "8"
    & skf18("3","1","8","1","9","7","1") = "8"
    & skf18("3","1","8","1","9","8","1") = "8"
    & skf18("3","1","8","1","9","9","1") = "8"
    & skf18("3","1","8","1","9","10","1") = "9"
    & skf18("3","1","8","1","10","1","1") = "9"
    & skf18("3","1","8","1","10","2","1") = "9"
    & skf18("3","1","8","1","10","3","1") = "9"
    & skf18("3","1","8","1","10","4","1") = "9"
    & skf18("3","1","8","1","10","5","1") = "9"
    & skf18("3","1","8","1","10","6","1") = "9"
    & skf18("3","1","8","1","10","7","1") = "9"
    & skf18("3","1","8","1","10","8","1") = "9"
    & skf18("3","1","8","1","10","9","1") = "9"
    & skf18("3","1","8","1","10","10","1") = "9"
    & skf18("3","1","8","2","1","1","1") = "7"
    & skf18("3","1","8","2","1","2","1") = "7"
    & skf18("3","1","8","2","1","3","1") = "7"
    & skf18("3","1","8","2","1","4","1") = "7"
    & skf18("3","1","8","2","1","5","1") = "7"
    & skf18("3","1","8","2","1","6","1") = "7"
    & skf18("3","1","8","2","1","7","1") = "7"
    & skf18("3","1","8","2","1","8","1") = "7"
    & skf18("3","1","8","2","1","9","1") = "8"
    & skf18("3","1","8","2","1","10","1") = "9"
    & skf18("3","1","8","2","2","1","1") = "7"
    & skf18("3","1","8","2","2","2","1") = "7"
    & skf18("3","1","8","2","2","3","1") = "7"
    & skf18("3","1","8","2","2","4","1") = "7"
    & skf18("3","1","8","2","2","5","1") = "7"
    & skf18("3","1","8","2","2","6","1") = "7"
    & skf18("3","1","8","2","2","7","1") = "7"
    & skf18("3","1","8","2","2","8","1") = "7"
    & skf18("3","1","8","2","2","9","1") = "8"
    & skf18("3","1","8","2","2","10","1") = "9"
    & skf18("3","1","8","2","3","1","1") = "7"
    & skf18("3","1","8","2","3","2","1") = "7"
    & skf18("3","1","8","2","3","3","1") = "7"
    & skf18("3","1","8","2","3","4","1") = "7"
    & skf18("3","1","8","2","3","5","1") = "7"
    & skf18("3","1","8","2","3","6","1") = "7"
    & skf18("3","1","8","2","3","7","1") = "7"
    & skf18("3","1","8","2","3","8","1") = "7"
    & skf18("3","1","8","2","3","9","1") = "8"
    & skf18("3","1","8","2","3","10","1") = "9"
    & skf18("3","1","8","2","4","1","1") = "7"
    & skf18("3","1","8","2","4","2","1") = "7"
    & skf18("3","1","8","2","4","3","1") = "7"
    & skf18("3","1","8","2","4","4","1") = "7"
    & skf18("3","1","8","2","4","5","1") = "7"
    & skf18("3","1","8","2","4","6","1") = "7"
    & skf18("3","1","8","2","4","7","1") = "7"
    & skf18("3","1","8","2","4","8","1") = "7"
    & skf18("3","1","8","2","4","9","1") = "8"
    & skf18("3","1","8","2","4","10","1") = "9"
    & skf18("3","1","8","2","5","1","1") = "7"
    & skf18("3","1","8","2","5","2","1") = "7"
    & skf18("3","1","8","2","5","3","1") = "7"
    & skf18("3","1","8","2","5","4","1") = "7"
    & skf18("3","1","8","2","5","5","1") = "7"
    & skf18("3","1","8","2","5","6","1") = "7"
    & skf18("3","1","8","2","5","7","1") = "7"
    & skf18("3","1","8","2","5","8","1") = "7"
    & skf18("3","1","8","2","5","9","1") = "8"
    & skf18("3","1","8","2","5","10","1") = "9"
    & skf18("3","1","8","2","6","1","1") = "7"
    & skf18("3","1","8","2","6","2","1") = "7"
    & skf18("3","1","8","2","6","3","1") = "7"
    & skf18("3","1","8","2","6","4","1") = "7"
    & skf18("3","1","8","2","6","5","1") = "7"
    & skf18("3","1","8","2","6","6","1") = "7"
    & skf18("3","1","8","2","6","7","1") = "7"
    & skf18("3","1","8","2","6","8","1") = "7"
    & skf18("3","1","8","2","6","9","1") = "8"
    & skf18("3","1","8","2","6","10","1") = "9"
    & skf18("3","1","8","2","7","1","1") = "7"
    & skf18("3","1","8","2","7","2","1") = "7"
    & skf18("3","1","8","2","7","3","1") = "7"
    & skf18("3","1","8","2","7","4","1") = "7"
    & skf18("3","1","8","2","7","5","1") = "7"
    & skf18("3","1","8","2","7","6","1") = "7"
    & skf18("3","1","8","2","7","7","1") = "7"
    & skf18("3","1","8","2","7","8","1") = "7"
    & skf18("3","1","8","2","7","9","1") = "8"
    & skf18("3","1","8","2","7","10","1") = "9"
    & skf18("3","1","8","2","8","1","1") = "7"
    & skf18("3","1","8","2","8","2","1") = "7"
    & skf18("3","1","8","2","8","3","1") = "7"
    & skf18("3","1","8","2","8","4","1") = "7"
    & skf18("3","1","8","2","8","5","1") = "7"
    & skf18("3","1","8","2","8","6","1") = "7"
    & skf18("3","1","8","2","8","7","1") = "7"
    & skf18("3","1","8","2","8","8","1") = "7"
    & skf18("3","1","8","2","8","9","1") = "8"
    & skf18("3","1","8","2","8","10","1") = "9"
    & skf18("3","1","8","2","9","1","1") = "8"
    & skf18("3","1","8","2","9","2","1") = "8"
    & skf18("3","1","8","2","9","3","1") = "8"
    & skf18("3","1","8","2","9","4","1") = "8"
    & skf18("3","1","8","2","9","5","1") = "8"
    & skf18("3","1","8","2","9","6","1") = "8"
    & skf18("3","1","8","2","9","7","1") = "8"
    & skf18("3","1","8","2","9","8","1") = "8"
    & skf18("3","1","8","2","9","9","1") = "8"
    & skf18("3","1","8","2","9","10","1") = "9"
    & skf18("3","1","8","2","10","1","1") = "9"
    & skf18("3","1","8","2","10","2","1") = "9"
    & skf18("3","1","8","2","10","3","1") = "9"
    & skf18("3","1","8","2","10","4","1") = "9"
    & skf18("3","1","8","2","10","5","1") = "9"
    & skf18("3","1","8","2","10","6","1") = "9"
    & skf18("3","1","8","2","10","7","1") = "9"
    & skf18("3","1","8","2","10","8","1") = "9"
    & skf18("3","1","8","2","10","9","1") = "9"
    & skf18("3","1","8","2","10","10","1") = "9"
    & skf18("3","1","8","3","1","1","1") = "7"
    & skf18("3","1","8","3","1","2","1") = "7"
    & skf18("3","1","8","3","1","3","1") = "7"
    & skf18("3","1","8","3","1","4","1") = "7"
    & skf18("3","1","8","3","1","5","1") = "7"
    & skf18("3","1","8","3","1","6","1") = "7"
    & skf18("3","1","8","3","1","7","1") = "7"
    & skf18("3","1","8","3","1","8","1") = "7"
    & skf18("3","1","8","3","1","9","1") = "8"
    & skf18("3","1","8","3","1","10","1") = "9"
    & skf18("3","1","8","3","2","1","1") = "7"
    & skf18("3","1","8","3","2","2","1") = "7"
    & skf18("3","1","8","3","2","3","1") = "7"
    & skf18("3","1","8","3","2","4","1") = "7"
    & skf18("3","1","8","3","2","5","1") = "7"
    & skf18("3","1","8","3","2","6","1") = "7"
    & skf18("3","1","8","3","2","7","1") = "7"
    & skf18("3","1","8","3","2","8","1") = "7"
    & skf18("3","1","8","3","2","9","1") = "8"
    & skf18("3","1","8","3","2","10","1") = "9"
    & skf18("3","1","8","3","3","1","1") = "7"
    & skf18("3","1","8","3","3","2","1") = "7"
    & skf18("3","1","8","3","3","3","1") = "7"
    & skf18("3","1","8","3","3","4","1") = "7"
    & skf18("3","1","8","3","3","5","1") = "7"
    & skf18("3","1","8","3","3","6","1") = "7"
    & skf18("3","1","8","3","3","7","1") = "7"
    & skf18("3","1","8","3","3","8","1") = "7"
    & skf18("3","1","8","3","3","9","1") = "8"
    & skf18("3","1","8","3","3","10","1") = "9"
    & skf18("3","1","8","3","4","1","1") = "7"
    & skf18("3","1","8","3","4","2","1") = "7"
    & skf18("3","1","8","3","4","3","1") = "7"
    & skf18("3","1","8","3","4","4","1") = "7"
    & skf18("3","1","8","3","4","5","1") = "7"
    & skf18("3","1","8","3","4","6","1") = "7"
    & skf18("3","1","8","3","4","7","1") = "7"
    & skf18("3","1","8","3","4","8","1") = "7"
    & skf18("3","1","8","3","4","9","1") = "8"
    & skf18("3","1","8","3","4","10","1") = "9"
    & skf18("3","1","8","3","5","1","1") = "7"
    & skf18("3","1","8","3","5","2","1") = "7"
    & skf18("3","1","8","3","5","3","1") = "7"
    & skf18("3","1","8","3","5","4","1") = "7"
    & skf18("3","1","8","3","5","5","1") = "7"
    & skf18("3","1","8","3","5","6","1") = "7"
    & skf18("3","1","8","3","5","7","1") = "7"
    & skf18("3","1","8","3","5","8","1") = "7"
    & skf18("3","1","8","3","5","9","1") = "8"
    & skf18("3","1","8","3","5","10","1") = "9"
    & skf18("3","1","8","3","6","1","1") = "7"
    & skf18("3","1","8","3","6","2","1") = "7"
    & skf18("3","1","8","3","6","3","1") = "7"
    & skf18("3","1","8","3","6","4","1") = "7"
    & skf18("3","1","8","3","6","5","1") = "7"
    & skf18("3","1","8","3","6","6","1") = "7"
    & skf18("3","1","8","3","6","7","1") = "7"
    & skf18("3","1","8","3","6","8","1") = "7"
    & skf18("3","1","8","3","6","9","1") = "8"
    & skf18("3","1","8","3","6","10","1") = "9"
    & skf18("3","1","8","3","7","1","1") = "7"
    & skf18("3","1","8","3","7","2","1") = "7"
    & skf18("3","1","8","3","7","3","1") = "7"
    & skf18("3","1","8","3","7","4","1") = "7"
    & skf18("3","1","8","3","7","5","1") = "7"
    & skf18("3","1","8","3","7","6","1") = "7"
    & skf18("3","1","8","3","7","7","1") = "7"
    & skf18("3","1","8","3","7","8","1") = "7"
    & skf18("3","1","8","3","7","9","1") = "8"
    & skf18("3","1","8","3","7","10","1") = "9"
    & skf18("3","1","8","3","8","1","1") = "7"
    & skf18("3","1","8","3","8","2","1") = "7"
    & skf18("3","1","8","3","8","3","1") = "7"
    & skf18("3","1","8","3","8","4","1") = "7"
    & skf18("3","1","8","3","8","5","1") = "7"
    & skf18("3","1","8","3","8","6","1") = "7"
    & skf18("3","1","8","3","8","7","1") = "7"
    & skf18("3","1","8","3","8","8","1") = "7"
    & skf18("3","1","8","3","8","9","1") = "8"
    & skf18("3","1","8","3","8","10","1") = "9"
    & skf18("3","1","8","3","9","1","1") = "8"
    & skf18("3","1","8","3","9","2","1") = "8"
    & skf18("3","1","8","3","9","3","1") = "8"
    & skf18("3","1","8","3","9","4","1") = "8"
    & skf18("3","1","8","3","9","5","1") = "8"
    & skf18("3","1","8","3","9","6","1") = "8"
    & skf18("3","1","8","3","9","7","1") = "8"
    & skf18("3","1","8","3","9","8","1") = "8"
    & skf18("3","1","8","3","9","9","1") = "8"
    & skf18("3","1","8","3","9","10","1") = "9"
    & skf18("3","1","8","3","10","1","1") = "9"
    & skf18("3","1","8","3","10","2","1") = "9"
    & skf18("3","1","8","3","10","3","1") = "9"
    & skf18("3","1","8","3","10","4","1") = "9"
    & skf18("3","1","8","3","10","5","1") = "9"
    & skf18("3","1","8","3","10","6","1") = "9"
    & skf18("3","1","8","3","10","7","1") = "9"
    & skf18("3","1","8","3","10","8","1") = "9"
    & skf18("3","1","8","3","10","9","1") = "9"
    & skf18("3","1","8","3","10","10","1") = "9"
    & skf18("3","1","8","4","1","1","1") = "7"
    & skf18("3","1","8","4","1","2","1") = "7"
    & skf18("3","1","8","4","1","3","1") = "7"
    & skf18("3","1","8","4","1","4","1") = "7"
    & skf18("3","1","8","4","1","5","1") = "7"
    & skf18("3","1","8","4","1","6","1") = "7"
    & skf18("3","1","8","4","1","7","1") = "7"
    & skf18("3","1","8","4","1","8","1") = "7"
    & skf18("3","1","8","4","1","9","1") = "8"
    & skf18("3","1","8","4","1","10","1") = "9"
    & skf18("3","1","8","4","2","1","1") = "7"
    & skf18("3","1","8","4","2","2","1") = "7"
    & skf18("3","1","8","4","2","3","1") = "7"
    & skf18("3","1","8","4","2","4","1") = "7"
    & skf18("3","1","8","4","2","5","1") = "7"
    & skf18("3","1","8","4","2","6","1") = "7"
    & skf18("3","1","8","4","2","7","1") = "7"
    & skf18("3","1","8","4","2","8","1") = "7"
    & skf18("3","1","8","4","2","9","1") = "8"
    & skf18("3","1","8","4","2","10","1") = "9"
    & skf18("3","1","8","4","3","1","1") = "7"
    & skf18("3","1","8","4","3","2","1") = "7"
    & skf18("3","1","8","4","3","3","1") = "7"
    & skf18("3","1","8","4","3","4","1") = "7"
    & skf18("3","1","8","4","3","5","1") = "7"
    & skf18("3","1","8","4","3","6","1") = "7"
    & skf18("3","1","8","4","3","7","1") = "7"
    & skf18("3","1","8","4","3","8","1") = "7"
    & skf18("3","1","8","4","3","9","1") = "8"
    & skf18("3","1","8","4","3","10","1") = "9"
    & skf18("3","1","8","4","4","1","1") = "7"
    & skf18("3","1","8","4","4","2","1") = "7"
    & skf18("3","1","8","4","4","3","1") = "7"
    & skf18("3","1","8","4","4","4","1") = "7"
    & skf18("3","1","8","4","4","5","1") = "7"
    & skf18("3","1","8","4","4","6","1") = "7"
    & skf18("3","1","8","4","4","7","1") = "7"
    & skf18("3","1","8","4","4","8","1") = "7"
    & skf18("3","1","8","4","4","9","1") = "8"
    & skf18("3","1","8","4","4","10","1") = "9"
    & skf18("3","1","8","4","5","1","1") = "7"
    & skf18("3","1","8","4","5","2","1") = "7"
    & skf18("3","1","8","4","5","3","1") = "7"
    & skf18("3","1","8","4","5","4","1") = "7"
    & skf18("3","1","8","4","5","5","1") = "7"
    & skf18("3","1","8","4","5","6","1") = "7"
    & skf18("3","1","8","4","5","7","1") = "7"
    & skf18("3","1","8","4","5","8","1") = "7"
    & skf18("3","1","8","4","5","9","1") = "8"
    & skf18("3","1","8","4","5","10","1") = "9"
    & skf18("3","1","8","4","6","1","1") = "7"
    & skf18("3","1","8","4","6","2","1") = "7"
    & skf18("3","1","8","4","6","3","1") = "7"
    & skf18("3","1","8","4","6","4","1") = "7"
    & skf18("3","1","8","4","6","5","1") = "7"
    & skf18("3","1","8","4","6","6","1") = "7"
    & skf18("3","1","8","4","6","7","1") = "7"
    & skf18("3","1","8","4","6","8","1") = "7"
    & skf18("3","1","8","4","6","9","1") = "8"
    & skf18("3","1","8","4","6","10","1") = "9"
    & skf18("3","1","8","4","7","1","1") = "7"
    & skf18("3","1","8","4","7","2","1") = "7"
    & skf18("3","1","8","4","7","3","1") = "7"
    & skf18("3","1","8","4","7","4","1") = "7"
    & skf18("3","1","8","4","7","5","1") = "7"
    & skf18("3","1","8","4","7","6","1") = "7"
    & skf18("3","1","8","4","7","7","1") = "7"
    & skf18("3","1","8","4","7","8","1") = "7"
    & skf18("3","1","8","4","7","9","1") = "8"
    & skf18("3","1","8","4","7","10","1") = "9"
    & skf18("3","1","8","4","8","1","1") = "7"
    & skf18("3","1","8","4","8","2","1") = "7"
    & skf18("3","1","8","4","8","3","1") = "7"
    & skf18("3","1","8","4","8","4","1") = "7"
    & skf18("3","1","8","4","8","5","1") = "7"
    & skf18("3","1","8","4","8","6","1") = "7"
    & skf18("3","1","8","4","8","7","1") = "7"
    & skf18("3","1","8","4","8","8","1") = "7"
    & skf18("3","1","8","4","8","9","1") = "8"
    & skf18("3","1","8","4","8","10","1") = "9"
    & skf18("3","1","8","4","9","1","1") = "8"
    & skf18("3","1","8","4","9","2","1") = "8"
    & skf18("3","1","8","4","9","3","1") = "8"
    & skf18("3","1","8","4","9","4","1") = "8"
    & skf18("3","1","8","4","9","5","1") = "8"
    & skf18("3","1","8","4","9","6","1") = "8"
    & skf18("3","1","8","4","9","7","1") = "8"
    & skf18("3","1","8","4","9","8","1") = "8"
    & skf18("3","1","8","4","9","9","1") = "8"
    & skf18("3","1","8","4","9","10","1") = "9"
    & skf18("3","1","8","4","10","1","1") = "9"
    & skf18("3","1","8","4","10","2","1") = "9"
    & skf18("3","1","8","4","10","3","1") = "9"
    & skf18("3","1","8","4","10","4","1") = "9"
    & skf18("3","1","8","4","10","5","1") = "9"
    & skf18("3","1","8","4","10","6","1") = "9"
    & skf18("3","1","8","4","10","7","1") = "9"
    & skf18("3","1","8","4","10","8","1") = "9"
    & skf18("3","1","8","4","10","9","1") = "9"
    & skf18("3","1","8","4","10","10","1") = "9"
    & skf18("3","1","8","5","1","1","1") = "7"
    & skf18("3","1","8","5","1","2","1") = "7"
    & skf18("3","1","8","5","1","3","1") = "7"
    & skf18("3","1","8","5","1","4","1") = "7"
    & skf18("3","1","8","5","1","5","1") = "7"
    & skf18("3","1","8","5","1","6","1") = "7"
    & skf18("3","1","8","5","1","7","1") = "7"
    & skf18("3","1","8","5","1","8","1") = "7"
    & skf18("3","1","8","5","1","9","1") = "8"
    & skf18("3","1","8","5","1","10","1") = "9"
    & skf18("3","1","8","5","2","1","1") = "7"
    & skf18("3","1","8","5","2","2","1") = "7"
    & skf18("3","1","8","5","2","3","1") = "7"
    & skf18("3","1","8","5","2","4","1") = "7"
    & skf18("3","1","8","5","2","5","1") = "7"
    & skf18("3","1","8","5","2","6","1") = "7"
    & skf18("3","1","8","5","2","7","1") = "7"
    & skf18("3","1","8","5","2","8","1") = "7"
    & skf18("3","1","8","5","2","9","1") = "8"
    & skf18("3","1","8","5","2","10","1") = "9"
    & skf18("3","1","8","5","3","1","1") = "7"
    & skf18("3","1","8","5","3","2","1") = "7"
    & skf18("3","1","8","5","3","3","1") = "7"
    & skf18("3","1","8","5","3","4","1") = "7"
    & skf18("3","1","8","5","3","5","1") = "7"
    & skf18("3","1","8","5","3","6","1") = "7"
    & skf18("3","1","8","5","3","7","1") = "7"
    & skf18("3","1","8","5","3","8","1") = "7"
    & skf18("3","1","8","5","3","9","1") = "8"
    & skf18("3","1","8","5","3","10","1") = "9"
    & skf18("3","1","8","5","4","1","1") = "7"
    & skf18("3","1","8","5","4","2","1") = "7"
    & skf18("3","1","8","5","4","3","1") = "7"
    & skf18("3","1","8","5","4","4","1") = "7"
    & skf18("3","1","8","5","4","5","1") = "7"
    & skf18("3","1","8","5","4","6","1") = "7"
    & skf18("3","1","8","5","4","7","1") = "7"
    & skf18("3","1","8","5","4","8","1") = "7"
    & skf18("3","1","8","5","4","9","1") = "8"
    & skf18("3","1","8","5","4","10","1") = "9"
    & skf18("3","1","8","5","5","1","1") = "7"
    & skf18("3","1","8","5","5","2","1") = "7"
    & skf18("3","1","8","5","5","3","1") = "7"
    & skf18("3","1","8","5","5","4","1") = "7"
    & skf18("3","1","8","5","5","5","1") = "7"
    & skf18("3","1","8","5","5","6","1") = "7"
    & skf18("3","1","8","5","5","7","1") = "7"
    & skf18("3","1","8","5","5","8","1") = "7"
    & skf18("3","1","8","5","5","9","1") = "8"
    & skf18("3","1","8","5","5","10","1") = "9"
    & skf18("3","1","8","5","6","1","1") = "7"
    & skf18("3","1","8","5","6","2","1") = "7"
    & skf18("3","1","8","5","6","3","1") = "7"
    & skf18("3","1","8","5","6","4","1") = "7"
    & skf18("3","1","8","5","6","5","1") = "7"
    & skf18("3","1","8","5","6","6","1") = "7"
    & skf18("3","1","8","5","6","7","1") = "7"
    & skf18("3","1","8","5","6","8","1") = "7"
    & skf18("3","1","8","5","6","9","1") = "8"
    & skf18("3","1","8","5","6","10","1") = "9"
    & skf18("3","1","8","5","7","1","1") = "7"
    & skf18("3","1","8","5","7","2","1") = "7"
    & skf18("3","1","8","5","7","3","1") = "7"
    & skf18("3","1","8","5","7","4","1") = "7"
    & skf18("3","1","8","5","7","5","1") = "7"
    & skf18("3","1","8","5","7","6","1") = "7"
    & skf18("3","1","8","5","7","7","1") = "7"
    & skf18("3","1","8","5","7","8","1") = "7"
    & skf18("3","1","8","5","7","9","1") = "8"
    & skf18("3","1","8","5","7","10","1") = "9"
    & skf18("3","1","8","5","8","1","1") = "7"
    & skf18("3","1","8","5","8","2","1") = "7"
    & skf18("3","1","8","5","8","3","1") = "7"
    & skf18("3","1","8","5","8","4","1") = "7"
    & skf18("3","1","8","5","8","5","1") = "7"
    & skf18("3","1","8","5","8","6","1") = "7"
    & skf18("3","1","8","5","8","7","1") = "7"
    & skf18("3","1","8","5","8","8","1") = "7"
    & skf18("3","1","8","5","8","9","1") = "8"
    & skf18("3","1","8","5","8","10","1") = "9"
    & skf18("3","1","8","5","9","1","1") = "8"
    & skf18("3","1","8","5","9","2","1") = "8"
    & skf18("3","1","8","5","9","3","1") = "8"
    & skf18("3","1","8","5","9","4","1") = "8"
    & skf18("3","1","8","5","9","5","1") = "8"
    & skf18("3","1","8","5","9","6","1") = "8"
    & skf18("3","1","8","5","9","7","1") = "8"
    & skf18("3","1","8","5","9","8","1") = "8"
    & skf18("3","1","8","5","9","9","1") = "8"
    & skf18("3","1","8","5","9","10","1") = "9"
    & skf18("3","1","8","5","10","1","1") = "9"
    & skf18("3","1","8","5","10","2","1") = "9"
    & skf18("3","1","8","5","10","3","1") = "9"
    & skf18("3","1","8","5","10","4","1") = "9"
    & skf18("3","1","8","5","10","5","1") = "9"
    & skf18("3","1","8","5","10","6","1") = "9"
    & skf18("3","1","8","5","10","7","1") = "9"
    & skf18("3","1","8","5","10","8","1") = "9"
    & skf18("3","1","8","5","10","9","1") = "9"
    & skf18("3","1","8","5","10","10","1") = "9"
    & skf18("3","1","8","6","1","1","1") = "7"
    & skf18("3","1","8","6","1","2","1") = "7"
    & skf18("3","1","8","6","1","3","1") = "7"
    & skf18("3","1","8","6","1","4","1") = "7"
    & skf18("3","1","8","6","1","5","1") = "7"
    & skf18("3","1","8","6","1","6","1") = "7"
    & skf18("3","1","8","6","1","7","1") = "7"
    & skf18("3","1","8","6","1","8","1") = "7"
    & skf18("3","1","8","6","1","9","1") = "8"
    & skf18("3","1","8","6","1","10","1") = "9"
    & skf18("3","1","8","6","2","1","1") = "7"
    & skf18("3","1","8","6","2","2","1") = "7"
    & skf18("3","1","8","6","2","3","1") = "7"
    & skf18("3","1","8","6","2","4","1") = "7"
    & skf18("3","1","8","6","2","5","1") = "7"
    & skf18("3","1","8","6","2","6","1") = "7"
    & skf18("3","1","8","6","2","7","1") = "7"
    & skf18("3","1","8","6","2","8","1") = "7"
    & skf18("3","1","8","6","2","9","1") = "8"
    & skf18("3","1","8","6","2","10","1") = "9"
    & skf18("3","1","8","6","3","1","1") = "7"
    & skf18("3","1","8","6","3","2","1") = "7"
    & skf18("3","1","8","6","3","3","1") = "7"
    & skf18("3","1","8","6","3","4","1") = "7"
    & skf18("3","1","8","6","3","5","1") = "7"
    & skf18("3","1","8","6","3","6","1") = "7"
    & skf18("3","1","8","6","3","7","1") = "7"
    & skf18("3","1","8","6","3","8","1") = "7"
    & skf18("3","1","8","6","3","9","1") = "8"
    & skf18("3","1","8","6","3","10","1") = "9"
    & skf18("3","1","8","6","4","1","1") = "7"
    & skf18("3","1","8","6","4","2","1") = "7"
    & skf18("3","1","8","6","4","3","1") = "7"
    & skf18("3","1","8","6","4","4","1") = "7"
    & skf18("3","1","8","6","4","5","1") = "7"
    & skf18("3","1","8","6","4","6","1") = "7"
    & skf18("3","1","8","6","4","7","1") = "7"
    & skf18("3","1","8","6","4","8","1") = "7"
    & skf18("3","1","8","6","4","9","1") = "8"
    & skf18("3","1","8","6","4","10","1") = "9"
    & skf18("3","1","8","6","5","1","1") = "7"
    & skf18("3","1","8","6","5","2","1") = "7"
    & skf18("3","1","8","6","5","3","1") = "7"
    & skf18("3","1","8","6","5","4","1") = "7"
    & skf18("3","1","8","6","5","5","1") = "7"
    & skf18("3","1","8","6","5","6","1") = "7"
    & skf18("3","1","8","6","5","7","1") = "7"
    & skf18("3","1","8","6","5","8","1") = "7"
    & skf18("3","1","8","6","5","9","1") = "8"
    & skf18("3","1","8","6","5","10","1") = "9"
    & skf18("3","1","8","6","6","1","1") = "7"
    & skf18("3","1","8","6","6","2","1") = "7"
    & skf18("3","1","8","6","6","3","1") = "7"
    & skf18("3","1","8","6","6","4","1") = "7"
    & skf18("3","1","8","6","6","5","1") = "7"
    & skf18("3","1","8","6","6","6","1") = "7"
    & skf18("3","1","8","6","6","7","1") = "7"
    & skf18("3","1","8","6","6","8","1") = "7"
    & skf18("3","1","8","6","6","9","1") = "8"
    & skf18("3","1","8","6","6","10","1") = "9"
    & skf18("3","1","8","6","7","1","1") = "7"
    & skf18("3","1","8","6","7","2","1") = "7"
    & skf18("3","1","8","6","7","3","1") = "7"
    & skf18("3","1","8","6","7","4","1") = "7"
    & skf18("3","1","8","6","7","5","1") = "7"
    & skf18("3","1","8","6","7","6","1") = "7"
    & skf18("3","1","8","6","7","7","1") = "7"
    & skf18("3","1","8","6","7","8","1") = "7"
    & skf18("3","1","8","6","7","9","1") = "8"
    & skf18("3","1","8","6","7","10","1") = "9"
    & skf18("3","1","8","6","8","1","1") = "7"
    & skf18("3","1","8","6","8","2","1") = "7"
    & skf18("3","1","8","6","8","3","1") = "7"
    & skf18("3","1","8","6","8","4","1") = "7"
    & skf18("3","1","8","6","8","5","1") = "7"
    & skf18("3","1","8","6","8","6","1") = "7"
    & skf18("3","1","8","6","8","7","1") = "7"
    & skf18("3","1","8","6","8","8","1") = "7"
    & skf18("3","1","8","6","8","9","1") = "8"
    & skf18("3","1","8","6","8","10","1") = "9"
    & skf18("3","1","8","6","9","1","1") = "8"
    & skf18("3","1","8","6","9","2","1") = "8"
    & skf18("3","1","8","6","9","3","1") = "8"
    & skf18("3","1","8","6","9","4","1") = "8"
    & skf18("3","1","8","6","9","5","1") = "8"
    & skf18("3","1","8","6","9","6","1") = "8"
    & skf18("3","1","8","6","9","7","1") = "8"
    & skf18("3","1","8","6","9","8","1") = "8"
    & skf18("3","1","8","6","9","9","1") = "8"
    & skf18("3","1","8","6","9","10","1") = "9"
    & skf18("3","1","8","6","10","1","1") = "9"
    & skf18("3","1","8","6","10","2","1") = "9"
    & skf18("3","1","8","6","10","3","1") = "9"
    & skf18("3","1","8","6","10","4","1") = "9"
    & skf18("3","1","8","6","10","5","1") = "9"
    & skf18("3","1","8","6","10","6","1") = "9"
    & skf18("3","1","8","6","10","7","1") = "9"
    & skf18("3","1","8","6","10","8","1") = "9"
    & skf18("3","1","8","6","10","9","1") = "9"
    & skf18("3","1","8","6","10","10","1") = "9"
    & skf18("3","1","8","7","1","1","1") = "7"
    & skf18("3","1","8","7","1","2","1") = "7"
    & skf18("3","1","8","7","1","3","1") = "7"
    & skf18("3","1","8","7","1","4","1") = "7"
    & skf18("3","1","8","7","1","5","1") = "7"
    & skf18("3","1","8","7","1","6","1") = "7"
    & skf18("3","1","8","7","1","7","1") = "7"
    & skf18("3","1","8","7","1","8","1") = "7"
    & skf18("3","1","8","7","1","9","1") = "8"
    & skf18("3","1","8","7","1","10","1") = "9"
    & skf18("3","1","8","7","2","1","1") = "7"
    & skf18("3","1","8","7","2","2","1") = "7"
    & skf18("3","1","8","7","2","3","1") = "7"
    & skf18("3","1","8","7","2","4","1") = "7"
    & skf18("3","1","8","7","2","5","1") = "7"
    & skf18("3","1","8","7","2","6","1") = "7"
    & skf18("3","1","8","7","2","7","1") = "7"
    & skf18("3","1","8","7","2","8","1") = "7"
    & skf18("3","1","8","7","2","9","1") = "8"
    & skf18("3","1","8","7","2","10","1") = "9"
    & skf18("3","1","8","7","3","1","1") = "7"
    & skf18("3","1","8","7","3","2","1") = "7"
    & skf18("3","1","8","7","3","3","1") = "7"
    & skf18("3","1","8","7","3","4","1") = "7"
    & skf18("3","1","8","7","3","5","1") = "7"
    & skf18("3","1","8","7","3","6","1") = "7"
    & skf18("3","1","8","7","3","7","1") = "7"
    & skf18("3","1","8","7","3","8","1") = "7"
    & skf18("3","1","8","7","3","9","1") = "8"
    & skf18("3","1","8","7","3","10","1") = "9"
    & skf18("3","1","8","7","4","1","1") = "7"
    & skf18("3","1","8","7","4","2","1") = "7"
    & skf18("3","1","8","7","4","3","1") = "7"
    & skf18("3","1","8","7","4","4","1") = "7"
    & skf18("3","1","8","7","4","5","1") = "7"
    & skf18("3","1","8","7","4","6","1") = "7"
    & skf18("3","1","8","7","4","7","1") = "7"
    & skf18("3","1","8","7","4","8","1") = "7"
    & skf18("3","1","8","7","4","9","1") = "8"
    & skf18("3","1","8","7","4","10","1") = "9"
    & skf18("3","1","8","7","5","1","1") = "7"
    & skf18("3","1","8","7","5","2","1") = "7"
    & skf18("3","1","8","7","5","3","1") = "7"
    & skf18("3","1","8","7","5","4","1") = "7"
    & skf18("3","1","8","7","5","5","1") = "7"
    & skf18("3","1","8","7","5","6","1") = "7"
    & skf18("3","1","8","7","5","7","1") = "7"
    & skf18("3","1","8","7","5","8","1") = "7"
    & skf18("3","1","8","7","5","9","1") = "8"
    & skf18("3","1","8","7","5","10","1") = "9"
    & skf18("3","1","8","7","6","1","1") = "7"
    & skf18("3","1","8","7","6","2","1") = "7"
    & skf18("3","1","8","7","6","3","1") = "7"
    & skf18("3","1","8","7","6","4","1") = "7"
    & skf18("3","1","8","7","6","5","1") = "7"
    & skf18("3","1","8","7","6","6","1") = "7"
    & skf18("3","1","8","7","6","7","1") = "7"
    & skf18("3","1","8","7","6","8","1") = "7"
    & skf18("3","1","8","7","6","9","1") = "8"
    & skf18("3","1","8","7","6","10","1") = "9"
    & skf18("3","1","8","7","7","1","1") = "7"
    & skf18("3","1","8","7","7","2","1") = "7"
    & skf18("3","1","8","7","7","3","1") = "7"
    & skf18("3","1","8","7","7","4","1") = "7"
    & skf18("3","1","8","7","7","5","1") = "7"
    & skf18("3","1","8","7","7","6","1") = "7"
    & skf18("3","1","8","7","7","7","1") = "7"
    & skf18("3","1","8","7","7","8","1") = "7"
    & skf18("3","1","8","7","7","9","1") = "8"
    & skf18("3","1","8","7","7","10","1") = "9"
    & skf18("3","1","8","7","8","1","1") = "7"
    & skf18("3","1","8","7","8","2","1") = "7"
    & skf18("3","1","8","7","8","3","1") = "7"
    & skf18("3","1","8","7","8","4","1") = "7"
    & skf18("3","1","8","7","8","5","1") = "7"
    & skf18("3","1","8","7","8","6","1") = "7"
    & skf18("3","1","8","7","8","7","1") = "7"
    & skf18("3","1","8","7","8","8","1") = "7"
    & skf18("3","1","8","7","8","9","1") = "8"
    & skf18("3","1","8","7","8","10","1") = "9"
    & skf18("3","1","8","7","9","1","1") = "8"
    & skf18("3","1","8","7","9","2","1") = "8"
    & skf18("3","1","8","7","9","3","1") = "8"
    & skf18("3","1","8","7","9","4","1") = "8"
    & skf18("3","1","8","7","9","5","1") = "8"
    & skf18("3","1","8","7","9","6","1") = "8"
    & skf18("3","1","8","7","9","7","1") = "8"
    & skf18("3","1","8","7","9","8","1") = "8"
    & skf18("3","1","8","7","9","9","1") = "8"
    & skf18("3","1","8","7","9","10","1") = "9"
    & skf18("3","1","8","7","10","1","1") = "9"
    & skf18("3","1","8","7","10","2","1") = "9"
    & skf18("3","1","8","7","10","3","1") = "9"
    & skf18("3","1","8","7","10","4","1") = "9"
    & skf18("3","1","8","7","10","5","1") = "9"
    & skf18("3","1","8","7","10","6","1") = "9"
    & skf18("3","1","8","7","10","7","1") = "9"
    & skf18("3","1","8","7","10","8","1") = "9"
    & skf18("3","1","8","7","10","9","1") = "9"
    & skf18("3","1","8","7","10","10","1") = "9"
    & skf18("3","1","8","8","1","1","1") = "7"
    & skf18("3","1","8","8","1","2","1") = "7"
    & skf18("3","1","8","8","1","3","1") = "7"
    & skf18("3","1","8","8","1","4","1") = "7"
    & skf18("3","1","8","8","1","5","1") = "7"
    & skf18("3","1","8","8","1","6","1") = "7"
    & skf18("3","1","8","8","1","7","1") = "7"
    & skf18("3","1","8","8","1","8","1") = "7"
    & skf18("3","1","8","8","1","9","1") = "8"
    & skf18("3","1","8","8","1","10","1") = "9"
    & skf18("3","1","8","8","2","1","1") = "7"
    & skf18("3","1","8","8","2","2","1") = "7"
    & skf18("3","1","8","8","2","3","1") = "7"
    & skf18("3","1","8","8","2","4","1") = "7"
    & skf18("3","1","8","8","2","5","1") = "7"
    & skf18("3","1","8","8","2","6","1") = "7"
    & skf18("3","1","8","8","2","7","1") = "7"
    & skf18("3","1","8","8","2","8","1") = "7"
    & skf18("3","1","8","8","2","9","1") = "8"
    & skf18("3","1","8","8","2","10","1") = "9"
    & skf18("3","1","8","8","3","1","1") = "7"
    & skf18("3","1","8","8","3","2","1") = "7"
    & skf18("3","1","8","8","3","3","1") = "7"
    & skf18("3","1","8","8","3","4","1") = "7"
    & skf18("3","1","8","8","3","5","1") = "7"
    & skf18("3","1","8","8","3","6","1") = "7"
    & skf18("3","1","8","8","3","7","1") = "7"
    & skf18("3","1","8","8","3","8","1") = "7"
    & skf18("3","1","8","8","3","9","1") = "8"
    & skf18("3","1","8","8","3","10","1") = "9"
    & skf18("3","1","8","8","4","1","1") = "7"
    & skf18("3","1","8","8","4","2","1") = "7"
    & skf18("3","1","8","8","4","3","1") = "7"
    & skf18("3","1","8","8","4","4","1") = "7"
    & skf18("3","1","8","8","4","5","1") = "7"
    & skf18("3","1","8","8","4","6","1") = "7"
    & skf18("3","1","8","8","4","7","1") = "7"
    & skf18("3","1","8","8","4","8","1") = "7"
    & skf18("3","1","8","8","4","9","1") = "8"
    & skf18("3","1","8","8","4","10","1") = "9"
    & skf18("3","1","8","8","5","1","1") = "7"
    & skf18("3","1","8","8","5","2","1") = "7"
    & skf18("3","1","8","8","5","3","1") = "7"
    & skf18("3","1","8","8","5","4","1") = "7"
    & skf18("3","1","8","8","5","5","1") = "7"
    & skf18("3","1","8","8","5","6","1") = "7"
    & skf18("3","1","8","8","5","7","1") = "7"
    & skf18("3","1","8","8","5","8","1") = "7"
    & skf18("3","1","8","8","5","9","1") = "8"
    & skf18("3","1","8","8","5","10","1") = "9"
    & skf18("3","1","8","8","6","1","1") = "7"
    & skf18("3","1","8","8","6","2","1") = "7"
    & skf18("3","1","8","8","6","3","1") = "7"
    & skf18("3","1","8","8","6","4","1") = "7"
    & skf18("3","1","8","8","6","5","1") = "7"
    & skf18("3","1","8","8","6","6","1") = "7"
    & skf18("3","1","8","8","6","7","1") = "7"
    & skf18("3","1","8","8","6","8","1") = "7"
    & skf18("3","1","8","8","6","9","1") = "8"
    & skf18("3","1","8","8","6","10","1") = "9"
    & skf18("3","1","8","8","7","1","1") = "7"
    & skf18("3","1","8","8","7","2","1") = "7"
    & skf18("3","1","8","8","7","3","1") = "7"
    & skf18("3","1","8","8","7","4","1") = "7"
    & skf18("3","1","8","8","7","5","1") = "7"
    & skf18("3","1","8","8","7","6","1") = "7"
    & skf18("3","1","8","8","7","7","1") = "7"
    & skf18("3","1","8","8","7","8","1") = "7"
    & skf18("3","1","8","8","7","9","1") = "8"
    & skf18("3","1","8","8","7","10","1") = "9"
    & skf18("3","1","8","8","8","1","1") = "7"
    & skf18("3","1","8","8","8","2","1") = "7"
    & skf18("3","1","8","8","8","3","1") = "7"
    & skf18("3","1","8","8","8","4","1") = "7"
    & skf18("3","1","8","8","8","5","1") = "7"
    & skf18("3","1","8","8","8","6","1") = "7"
    & skf18("3","1","8","8","8","7","1") = "7"
    & skf18("3","1","8","8","8","8","1") = "7"
    & skf18("3","1","8","8","8","9","1") = "8"
    & skf18("3","1","8","8","8","10","1") = "9"
    & skf18("3","1","8","8","9","1","1") = "8"
    & skf18("3","1","8","8","9","2","1") = "8"
    & skf18("3","1","8","8","9","3","1") = "8"
    & skf18("3","1","8","8","9","4","1") = "8"
    & skf18("3","1","8","8","9","5","1") = "8"
    & skf18("3","1","8","8","9","6","1") = "8"
    & skf18("3","1","8","8","9","7","1") = "8"
    & skf18("3","1","8","8","9","8","1") = "8"
    & skf18("3","1","8","8","9","9","1") = "8"
    & skf18("3","1","8","8","9","10","1") = "9"
    & skf18("3","1","8","8","10","1","1") = "9"
    & skf18("3","1","8","8","10","2","1") = "9"
    & skf18("3","1","8","8","10","3","1") = "9"
    & skf18("3","1","8","8","10","4","1") = "9"
    & skf18("3","1","8","8","10","5","1") = "9"
    & skf18("3","1","8","8","10","6","1") = "9"
    & skf18("3","1","8","8","10","7","1") = "9"
    & skf18("3","1","8","8","10","8","1") = "9"
    & skf18("3","1","8","8","10","9","1") = "9"
    & skf18("3","1","8","8","10","10","1") = "9"
    & skf18("3","1","8","9","1","1","1") = "8"
    & skf18("3","1","8","9","1","2","1") = "8"
    & skf18("3","1","8","9","1","3","1") = "8"
    & skf18("3","1","8","9","1","4","1") = "8"
    & skf18("3","1","8","9","1","5","1") = "8"
    & skf18("3","1","8","9","1","6","1") = "8"
    & skf18("3","1","8","9","1","7","1") = "8"
    & skf18("3","1","8","9","1","8","1") = "8"
    & skf18("3","1","8","9","1","9","1") = "8"
    & skf18("3","1","8","9","1","10","1") = "9"
    & skf18("3","1","8","9","2","1","1") = "8"
    & skf18("3","1","8","9","2","2","1") = "8"
    & skf18("3","1","8","9","2","3","1") = "8"
    & skf18("3","1","8","9","2","4","1") = "8"
    & skf18("3","1","8","9","2","5","1") = "8"
    & skf18("3","1","8","9","2","6","1") = "8"
    & skf18("3","1","8","9","2","7","1") = "8"
    & skf18("3","1","8","9","2","8","1") = "8"
    & skf18("3","1","8","9","2","9","1") = "8"
    & skf18("3","1","8","9","2","10","1") = "9"
    & skf18("3","1","8","9","3","1","1") = "8"
    & skf18("3","1","8","9","3","2","1") = "8"
    & skf18("3","1","8","9","3","3","1") = "8"
    & skf18("3","1","8","9","3","4","1") = "8"
    & skf18("3","1","8","9","3","5","1") = "8"
    & skf18("3","1","8","9","3","6","1") = "8"
    & skf18("3","1","8","9","3","7","1") = "8"
    & skf18("3","1","8","9","3","8","1") = "8"
    & skf18("3","1","8","9","3","9","1") = "8"
    & skf18("3","1","8","9","3","10","1") = "9"
    & skf18("3","1","8","9","4","1","1") = "8"
    & skf18("3","1","8","9","4","2","1") = "8"
    & skf18("3","1","8","9","4","3","1") = "8"
    & skf18("3","1","8","9","4","4","1") = "8"
    & skf18("3","1","8","9","4","5","1") = "8"
    & skf18("3","1","8","9","4","6","1") = "8"
    & skf18("3","1","8","9","4","7","1") = "8"
    & skf18("3","1","8","9","4","8","1") = "8"
    & skf18("3","1","8","9","4","9","1") = "8"
    & skf18("3","1","8","9","4","10","1") = "9"
    & skf18("3","1","8","9","5","1","1") = "8"
    & skf18("3","1","8","9","5","2","1") = "8"
    & skf18("3","1","8","9","5","3","1") = "8"
    & skf18("3","1","8","9","5","4","1") = "8"
    & skf18("3","1","8","9","5","5","1") = "8"
    & skf18("3","1","8","9","5","6","1") = "8"
    & skf18("3","1","8","9","5","7","1") = "8"
    & skf18("3","1","8","9","5","8","1") = "8"
    & skf18("3","1","8","9","5","9","1") = "8"
    & skf18("3","1","8","9","5","10","1") = "9"
    & skf18("3","1","8","9","6","1","1") = "8"
    & skf18("3","1","8","9","6","2","1") = "8"
    & skf18("3","1","8","9","6","3","1") = "8"
    & skf18("3","1","8","9","6","4","1") = "8"
    & skf18("3","1","8","9","6","5","1") = "8"
    & skf18("3","1","8","9","6","6","1") = "8"
    & skf18("3","1","8","9","6","7","1") = "8"
    & skf18("3","1","8","9","6","8","1") = "8"
    & skf18("3","1","8","9","6","9","1") = "8"
    & skf18("3","1","8","9","6","10","1") = "9"
    & skf18("3","1","8","9","7","1","1") = "8"
    & skf18("3","1","8","9","7","2","1") = "8"
    & skf18("3","1","8","9","7","3","1") = "8"
    & skf18("3","1","8","9","7","4","1") = "8"
    & skf18("3","1","8","9","7","5","1") = "8"
    & skf18("3","1","8","9","7","6","1") = "8"
    & skf18("3","1","8","9","7","7","1") = "8"
    & skf18("3","1","8","9","7","8","1") = "8"
    & skf18("3","1","8","9","7","9","1") = "8"
    & skf18("3","1","8","9","7","10","1") = "9"
    & skf18("3","1","8","9","8","1","1") = "8"
    & skf18("3","1","8","9","8","2","1") = "8"
    & skf18("3","1","8","9","8","3","1") = "8"
    & skf18("3","1","8","9","8","4","1") = "8"
    & skf18("3","1","8","9","8","5","1") = "8"
    & skf18("3","1","8","9","8","6","1") = "8"
    & skf18("3","1","8","9","8","7","1") = "8"
    & skf18("3","1","8","9","8","8","1") = "8"
    & skf18("3","1","8","9","8","9","1") = "8"
    & skf18("3","1","8","9","8","10","1") = "9"
    & skf18("3","1","8","9","9","1","1") = "8"
    & skf18("3","1","8","9","9","2","1") = "8"
    & skf18("3","1","8","9","9","3","1") = "8"
    & skf18("3","1","8","9","9","4","1") = "8"
    & skf18("3","1","8","9","9","5","1") = "8"
    & skf18("3","1","8","9","9","6","1") = "8"
    & skf18("3","1","8","9","9","7","1") = "8"
    & skf18("3","1","8","9","9","8","1") = "8"
    & skf18("3","1","8","9","9","9","1") = "8"
    & skf18("3","1","8","9","9","10","1") = "9"
    & skf18("3","1","8","9","10","1","1") = "9"
    & skf18("3","1","8","9","10","2","1") = "9"
    & skf18("3","1","8","9","10","3","1") = "9"
    & skf18("3","1","8","9","10","4","1") = "9"
    & skf18("3","1","8","9","10","5","1") = "9"
    & skf18("3","1","8","9","10","6","1") = "9"
    & skf18("3","1","8","9","10","7","1") = "9"
    & skf18("3","1","8","9","10","8","1") = "9"
    & skf18("3","1","8","9","10","9","1") = "9"
    & skf18("3","1","8","9","10","10","1") = "9"
    & skf18("3","1","8","10","1","1","1") = "9"
    & skf18("3","1","8","10","1","2","1") = "9"
    & skf18("3","1","8","10","1","3","1") = "9"
    & skf18("3","1","8","10","1","4","1") = "9"
    & skf18("3","1","8","10","1","5","1") = "9"
    & skf18("3","1","8","10","1","6","1") = "9"
    & skf18("3","1","8","10","1","7","1") = "9"
    & skf18("3","1","8","10","1","8","1") = "9"
    & skf18("3","1","8","10","1","9","1") = "9"
    & skf18("3","1","8","10","1","10","1") = "9"
    & skf18("3","1","8","10","2","1","1") = "9"
    & skf18("3","1","8","10","2","2","1") = "9"
    & skf18("3","1","8","10","2","3","1") = "9"
    & skf18("3","1","8","10","2","4","1") = "9"
    & skf18("3","1","8","10","2","5","1") = "9"
    & skf18("3","1","8","10","2","6","1") = "9"
    & skf18("3","1","8","10","2","7","1") = "9"
    & skf18("3","1","8","10","2","8","1") = "9"
    & skf18("3","1","8","10","2","9","1") = "9"
    & skf18("3","1","8","10","2","10","1") = "9"
    & skf18("3","1","8","10","3","1","1") = "9"
    & skf18("3","1","8","10","3","2","1") = "9"
    & skf18("3","1","8","10","3","3","1") = "9"
    & skf18("3","1","8","10","3","4","1") = "9"
    & skf18("3","1","8","10","3","5","1") = "9"
    & skf18("3","1","8","10","3","6","1") = "9"
    & skf18("3","1","8","10","3","7","1") = "9"
    & skf18("3","1","8","10","3","8","1") = "9"
    & skf18("3","1","8","10","3","9","1") = "9"
    & skf18("3","1","8","10","3","10","1") = "9"
    & skf18("3","1","8","10","4","1","1") = "9"
    & skf18("3","1","8","10","4","2","1") = "9"
    & skf18("3","1","8","10","4","3","1") = "9"
    & skf18("3","1","8","10","4","4","1") = "9"
    & skf18("3","1","8","10","4","5","1") = "9"
    & skf18("3","1","8","10","4","6","1") = "9"
    & skf18("3","1","8","10","4","7","1") = "9"
    & skf18("3","1","8","10","4","8","1") = "9"
    & skf18("3","1","8","10","4","9","1") = "9"
    & skf18("3","1","8","10","4","10","1") = "9"
    & skf18("3","1","8","10","5","1","1") = "9"
    & skf18("3","1","8","10","5","2","1") = "9"
    & skf18("3","1","8","10","5","3","1") = "9"
    & skf18("3","1","8","10","5","4","1") = "9"
    & skf18("3","1","8","10","5","5","1") = "9"
    & skf18("3","1","8","10","5","6","1") = "9"
    & skf18("3","1","8","10","5","7","1") = "9"
    & skf18("3","1","8","10","5","8","1") = "9"
    & skf18("3","1","8","10","5","9","1") = "9"
    & skf18("3","1","8","10","5","10","1") = "9"
    & skf18("3","1","8","10","6","1","1") = "9"
    & skf18("3","1","8","10","6","2","1") = "9"
    & skf18("3","1","8","10","6","3","1") = "9"
    & skf18("3","1","8","10","6","4","1") = "9"
    & skf18("3","1","8","10","6","5","1") = "9"
    & skf18("3","1","8","10","6","6","1") = "9"
    & skf18("3","1","8","10","6","7","1") = "9"
    & skf18("3","1","8","10","6","8","1") = "9"
    & skf18("3","1","8","10","6","9","1") = "9"
    & skf18("3","1","8","10","6","10","1") = "9"
    & skf18("3","1","8","10","7","1","1") = "9"
    & skf18("3","1","8","10","7","2","1") = "9"
    & skf18("3","1","8","10","7","3","1") = "9"
    & skf18("3","1","8","10","7","4","1") = "9"
    & skf18("3","1","8","10","7","5","1") = "9"
    & skf18("3","1","8","10","7","6","1") = "9"
    & skf18("3","1","8","10","7","7","1") = "9"
    & skf18("3","1","8","10","7","8","1") = "9"
    & skf18("3","1","8","10","7","9","1") = "9"
    & skf18("3","1","8","10","7","10","1") = "9"
    & skf18("3","1","8","10","8","1","1") = "9"
    & skf18("3","1","8","10","8","2","1") = "9"
    & skf18("3","1","8","10","8","3","1") = "9"
    & skf18("3","1","8","10","8","4","1") = "9"
    & skf18("3","1","8","10","8","5","1") = "9"
    & skf18("3","1","8","10","8","6","1") = "9"
    & skf18("3","1","8","10","8","7","1") = "9"
    & skf18("3","1","8","10","8","8","1") = "9"
    & skf18("3","1","8","10","8","9","1") = "9"
    & skf18("3","1","8","10","8","10","1") = "9"
    & skf18("3","1","8","10","9","1","1") = "9"
    & skf18("3","1","8","10","9","2","1") = "9"
    & skf18("3","1","8","10","9","3","1") = "9"
    & skf18("3","1","8","10","9","4","1") = "9"
    & skf18("3","1","8","10","9","5","1") = "9"
    & skf18("3","1","8","10","9","6","1") = "9"
    & skf18("3","1","8","10","9","7","1") = "9"
    & skf18("3","1","8","10","9","8","1") = "9"
    & skf18("3","1","8","10","9","9","1") = "9"
    & skf18("3","1","8","10","9","10","1") = "9"
    & skf18("3","1","8","10","10","1","1") = "9"
    & skf18("3","1","8","10","10","2","1") = "9"
    & skf18("3","1","8","10","10","3","1") = "9"
    & skf18("3","1","8","10","10","4","1") = "9"
    & skf18("3","1","8","10","10","5","1") = "9"
    & skf18("3","1","8","10","10","6","1") = "9"
    & skf18("3","1","8","10","10","7","1") = "9"
    & skf18("3","1","8","10","10","8","1") = "9"
    & skf18("3","1","8","10","10","9","1") = "9"
    & skf18("3","1","8","10","10","10","1") = "9"
    & skf18("3","1","9","1","1","1","1") = "8"
    & skf18("3","1","9","1","1","2","1") = "8"
    & skf18("3","1","9","1","1","3","1") = "8"
    & skf18("3","1","9","1","1","4","1") = "8"
    & skf18("3","1","9","1","1","5","1") = "8"
    & skf18("3","1","9","1","1","6","1") = "8"
    & skf18("3","1","9","1","1","7","1") = "8"
    & skf18("3","1","9","1","1","8","1") = "8"
    & skf18("3","1","9","1","1","9","1") = "8"
    & skf18("3","1","9","1","1","10","1") = "9"
    & skf18("3","1","9","1","2","1","1") = "8"
    & skf18("3","1","9","1","2","2","1") = "8"
    & skf18("3","1","9","1","2","3","1") = "8"
    & skf18("3","1","9","1","2","4","1") = "8"
    & skf18("3","1","9","1","2","5","1") = "8"
    & skf18("3","1","9","1","2","6","1") = "8"
    & skf18("3","1","9","1","2","7","1") = "8"
    & skf18("3","1","9","1","2","8","1") = "8"
    & skf18("3","1","9","1","2","9","1") = "8"
    & skf18("3","1","9","1","2","10","1") = "9"
    & skf18("3","1","9","1","3","1","1") = "8"
    & skf18("3","1","9","1","3","2","1") = "8"
    & skf18("3","1","9","1","3","3","1") = "8"
    & skf18("3","1","9","1","3","4","1") = "8"
    & skf18("3","1","9","1","3","5","1") = "8"
    & skf18("3","1","9","1","3","6","1") = "8"
    & skf18("3","1","9","1","3","7","1") = "8"
    & skf18("3","1","9","1","3","8","1") = "8"
    & skf18("3","1","9","1","3","9","1") = "8"
    & skf18("3","1","9","1","3","10","1") = "9"
    & skf18("3","1","9","1","4","1","1") = "8"
    & skf18("3","1","9","1","4","2","1") = "8"
    & skf18("3","1","9","1","4","3","1") = "8"
    & skf18("3","1","9","1","4","4","1") = "8"
    & skf18("3","1","9","1","4","5","1") = "8"
    & skf18("3","1","9","1","4","6","1") = "8"
    & skf18("3","1","9","1","4","7","1") = "8"
    & skf18("3","1","9","1","4","8","1") = "8"
    & skf18("3","1","9","1","4","9","1") = "8"
    & skf18("3","1","9","1","4","10","1") = "9"
    & skf18("3","1","9","1","5","1","1") = "8"
    & skf18("3","1","9","1","5","2","1") = "8"
    & skf18("3","1","9","1","5","3","1") = "8"
    & skf18("3","1","9","1","5","4","1") = "8"
    & skf18("3","1","9","1","5","5","1") = "8"
    & skf18("3","1","9","1","5","6","1") = "8"
    & skf18("3","1","9","1","5","7","1") = "8"
    & skf18("3","1","9","1","5","8","1") = "8"
    & skf18("3","1","9","1","5","9","1") = "8"
    & skf18("3","1","9","1","5","10","1") = "9"
    & skf18("3","1","9","1","6","1","1") = "8"
    & skf18("3","1","9","1","6","2","1") = "8"
    & skf18("3","1","9","1","6","3","1") = "8"
    & skf18("3","1","9","1","6","4","1") = "8"
    & skf18("3","1","9","1","6","5","1") = "8"
    & skf18("3","1","9","1","6","6","1") = "8"
    & skf18("3","1","9","1","6","7","1") = "8"
    & skf18("3","1","9","1","6","8","1") = "8"
    & skf18("3","1","9","1","6","9","1") = "8"
    & skf18("3","1","9","1","6","10","1") = "9"
    & skf18("3","1","9","1","7","1","1") = "8"
    & skf18("3","1","9","1","7","2","1") = "8"
    & skf18("3","1","9","1","7","3","1") = "8"
    & skf18("3","1","9","1","7","4","1") = "8"
    & skf18("3","1","9","1","7","5","1") = "8"
    & skf18("3","1","9","1","7","6","1") = "8"
    & skf18("3","1","9","1","7","7","1") = "8"
    & skf18("3","1","9","1","7","8","1") = "8"
    & skf18("3","1","9","1","7","9","1") = "8"
    & skf18("3","1","9","1","7","10","1") = "9"
    & skf18("3","1","9","1","8","1","1") = "8"
    & skf18("3","1","9","1","8","2","1") = "8"
    & skf18("3","1","9","1","8","3","1") = "8"
    & skf18("3","1","9","1","8","4","1") = "8"
    & skf18("3","1","9","1","8","5","1") = "8"
    & skf18("3","1","9","1","8","6","1") = "8"
    & skf18("3","1","9","1","8","7","1") = "8"
    & skf18("3","1","9","1","8","8","1") = "8"
    & skf18("3","1","9","1","8","9","1") = "8"
    & skf18("3","1","9","1","8","10","1") = "9"
    & skf18("3","1","9","1","9","1","1") = "8"
    & skf18("3","1","9","1","9","2","1") = "8"
    & skf18("3","1","9","1","9","3","1") = "8"
    & skf18("3","1","9","1","9","4","1") = "8"
    & skf18("3","1","9","1","9","5","1") = "8"
    & skf18("3","1","9","1","9","6","1") = "8"
    & skf18("3","1","9","1","9","7","1") = "8"
    & skf18("3","1","9","1","9","8","1") = "8"
    & skf18("3","1","9","1","9","9","1") = "8"
    & skf18("3","1","9","1","9","10","1") = "9"
    & skf18("3","1","9","1","10","1","1") = "9"
    & skf18("3","1","9","1","10","2","1") = "9"
    & skf18("3","1","9","1","10","3","1") = "9"
    & skf18("3","1","9","1","10","4","1") = "9"
    & skf18("3","1","9","1","10","5","1") = "9"
    & skf18("3","1","9","1","10","6","1") = "9"
    & skf18("3","1","9","1","10","7","1") = "9"
    & skf18("3","1","9","1","10","8","1") = "9"
    & skf18("3","1","9","1","10","9","1") = "9"
    & skf18("3","1","9","1","10","10","1") = "9"
    & skf18("3","1","9","2","1","1","1") = "8"
    & skf18("3","1","9","2","1","2","1") = "8"
    & skf18("3","1","9","2","1","3","1") = "8"
    & skf18("3","1","9","2","1","4","1") = "8"
    & skf18("3","1","9","2","1","5","1") = "8"
    & skf18("3","1","9","2","1","6","1") = "8"
    & skf18("3","1","9","2","1","7","1") = "8"
    & skf18("3","1","9","2","1","8","1") = "8"
    & skf18("3","1","9","2","1","9","1") = "8"
    & skf18("3","1","9","2","1","10","1") = "9"
    & skf18("3","1","9","2","2","1","1") = "8"
    & skf18("3","1","9","2","2","2","1") = "8"
    & skf18("3","1","9","2","2","3","1") = "8"
    & skf18("3","1","9","2","2","4","1") = "8"
    & skf18("3","1","9","2","2","5","1") = "8"
    & skf18("3","1","9","2","2","6","1") = "8"
    & skf18("3","1","9","2","2","7","1") = "8"
    & skf18("3","1","9","2","2","8","1") = "8"
    & skf18("3","1","9","2","2","9","1") = "8"
    & skf18("3","1","9","2","2","10","1") = "9"
    & skf18("3","1","9","2","3","1","1") = "8"
    & skf18("3","1","9","2","3","2","1") = "8"
    & skf18("3","1","9","2","3","3","1") = "8"
    & skf18("3","1","9","2","3","4","1") = "8"
    & skf18("3","1","9","2","3","5","1") = "8"
    & skf18("3","1","9","2","3","6","1") = "8"
    & skf18("3","1","9","2","3","7","1") = "8"
    & skf18("3","1","9","2","3","8","1") = "8"
    & skf18("3","1","9","2","3","9","1") = "8"
    & skf18("3","1","9","2","3","10","1") = "9"
    & skf18("3","1","9","2","4","1","1") = "8"
    & skf18("3","1","9","2","4","2","1") = "8"
    & skf18("3","1","9","2","4","3","1") = "8"
    & skf18("3","1","9","2","4","4","1") = "8"
    & skf18("3","1","9","2","4","5","1") = "8"
    & skf18("3","1","9","2","4","6","1") = "8"
    & skf18("3","1","9","2","4","7","1") = "8"
    & skf18("3","1","9","2","4","8","1") = "8"
    & skf18("3","1","9","2","4","9","1") = "8"
    & skf18("3","1","9","2","4","10","1") = "9"
    & skf18("3","1","9","2","5","1","1") = "8"
    & skf18("3","1","9","2","5","2","1") = "8"
    & skf18("3","1","9","2","5","3","1") = "8"
    & skf18("3","1","9","2","5","4","1") = "8"
    & skf18("3","1","9","2","5","5","1") = "8"
    & skf18("3","1","9","2","5","6","1") = "8"
    & skf18("3","1","9","2","5","7","1") = "8"
    & skf18("3","1","9","2","5","8","1") = "8"
    & skf18("3","1","9","2","5","9","1") = "8"
    & skf18("3","1","9","2","5","10","1") = "9"
    & skf18("3","1","9","2","6","1","1") = "8"
    & skf18("3","1","9","2","6","2","1") = "8"
    & skf18("3","1","9","2","6","3","1") = "8"
    & skf18("3","1","9","2","6","4","1") = "8"
    & skf18("3","1","9","2","6","5","1") = "8"
    & skf18("3","1","9","2","6","6","1") = "8"
    & skf18("3","1","9","2","6","7","1") = "8"
    & skf18("3","1","9","2","6","8","1") = "8"
    & skf18("3","1","9","2","6","9","1") = "8"
    & skf18("3","1","9","2","6","10","1") = "9"
    & skf18("3","1","9","2","7","1","1") = "8"
    & skf18("3","1","9","2","7","2","1") = "8"
    & skf18("3","1","9","2","7","3","1") = "8"
    & skf18("3","1","9","2","7","4","1") = "8"
    & skf18("3","1","9","2","7","5","1") = "8"
    & skf18("3","1","9","2","7","6","1") = "8"
    & skf18("3","1","9","2","7","7","1") = "8"
    & skf18("3","1","9","2","7","8","1") = "8"
    & skf18("3","1","9","2","7","9","1") = "8"
    & skf18("3","1","9","2","7","10","1") = "9"
    & skf18("3","1","9","2","8","1","1") = "8"
    & skf18("3","1","9","2","8","2","1") = "8"
    & skf18("3","1","9","2","8","3","1") = "8"
    & skf18("3","1","9","2","8","4","1") = "8"
    & skf18("3","1","9","2","8","5","1") = "8"
    & skf18("3","1","9","2","8","6","1") = "8"
    & skf18("3","1","9","2","8","7","1") = "8"
    & skf18("3","1","9","2","8","8","1") = "8"
    & skf18("3","1","9","2","8","9","1") = "8"
    & skf18("3","1","9","2","8","10","1") = "9"
    & skf18("3","1","9","2","9","1","1") = "8"
    & skf18("3","1","9","2","9","2","1") = "8"
    & skf18("3","1","9","2","9","3","1") = "8"
    & skf18("3","1","9","2","9","4","1") = "8"
    & skf18("3","1","9","2","9","5","1") = "8"
    & skf18("3","1","9","2","9","6","1") = "8"
    & skf18("3","1","9","2","9","7","1") = "8"
    & skf18("3","1","9","2","9","8","1") = "8"
    & skf18("3","1","9","2","9","9","1") = "8"
    & skf18("3","1","9","2","9","10","1") = "9"
    & skf18("3","1","9","2","10","1","1") = "9"
    & skf18("3","1","9","2","10","2","1") = "9"
    & skf18("3","1","9","2","10","3","1") = "9"
    & skf18("3","1","9","2","10","4","1") = "9"
    & skf18("3","1","9","2","10","5","1") = "9"
    & skf18("3","1","9","2","10","6","1") = "9"
    & skf18("3","1","9","2","10","7","1") = "9"
    & skf18("3","1","9","2","10","8","1") = "9"
    & skf18("3","1","9","2","10","9","1") = "9"
    & skf18("3","1","9","2","10","10","1") = "9"
    & skf18("3","1","9","3","1","1","1") = "8"
    & skf18("3","1","9","3","1","2","1") = "8"
    & skf18("3","1","9","3","1","3","1") = "8"
    & skf18("3","1","9","3","1","4","1") = "8"
    & skf18("3","1","9","3","1","5","1") = "8"
    & skf18("3","1","9","3","1","6","1") = "8"
    & skf18("3","1","9","3","1","7","1") = "8"
    & skf18("3","1","9","3","1","8","1") = "8"
    & skf18("3","1","9","3","1","9","1") = "8"
    & skf18("3","1","9","3","1","10","1") = "9"
    & skf18("3","1","9","3","2","1","1") = "8"
    & skf18("3","1","9","3","2","2","1") = "8"
    & skf18("3","1","9","3","2","3","1") = "8"
    & skf18("3","1","9","3","2","4","1") = "8"
    & skf18("3","1","9","3","2","5","1") = "8"
    & skf18("3","1","9","3","2","6","1") = "8"
    & skf18("3","1","9","3","2","7","1") = "8"
    & skf18("3","1","9","3","2","8","1") = "8"
    & skf18("3","1","9","3","2","9","1") = "8"
    & skf18("3","1","9","3","2","10","1") = "9"
    & skf18("3","1","9","3","3","1","1") = "8"
    & skf18("3","1","9","3","3","2","1") = "8"
    & skf18("3","1","9","3","3","3","1") = "8"
    & skf18("3","1","9","3","3","4","1") = "8"
    & skf18("3","1","9","3","3","5","1") = "8"
    & skf18("3","1","9","3","3","6","1") = "8"
    & skf18("3","1","9","3","3","7","1") = "8"
    & skf18("3","1","9","3","3","8","1") = "8"
    & skf18("3","1","9","3","3","9","1") = "8"
    & skf18("3","1","9","3","3","10","1") = "9"
    & skf18("3","1","9","3","4","1","1") = "8"
    & skf18("3","1","9","3","4","2","1") = "8"
    & skf18("3","1","9","3","4","3","1") = "8"
    & skf18("3","1","9","3","4","4","1") = "8"
    & skf18("3","1","9","3","4","5","1") = "8"
    & skf18("3","1","9","3","4","6","1") = "8"
    & skf18("3","1","9","3","4","7","1") = "8"
    & skf18("3","1","9","3","4","8","1") = "8"
    & skf18("3","1","9","3","4","9","1") = "8"
    & skf18("3","1","9","3","4","10","1") = "9"
    & skf18("3","1","9","3","5","1","1") = "8"
    & skf18("3","1","9","3","5","2","1") = "8"
    & skf18("3","1","9","3","5","3","1") = "8"
    & skf18("3","1","9","3","5","4","1") = "8"
    & skf18("3","1","9","3","5","5","1") = "8"
    & skf18("3","1","9","3","5","6","1") = "8"
    & skf18("3","1","9","3","5","7","1") = "8"
    & skf18("3","1","9","3","5","8","1") = "8"
    & skf18("3","1","9","3","5","9","1") = "8"
    & skf18("3","1","9","3","5","10","1") = "9"
    & skf18("3","1","9","3","6","1","1") = "8"
    & skf18("3","1","9","3","6","2","1") = "8"
    & skf18("3","1","9","3","6","3","1") = "8"
    & skf18("3","1","9","3","6","4","1") = "8"
    & skf18("3","1","9","3","6","5","1") = "8"
    & skf18("3","1","9","3","6","6","1") = "8"
    & skf18("3","1","9","3","6","7","1") = "8"
    & skf18("3","1","9","3","6","8","1") = "8"
    & skf18("3","1","9","3","6","9","1") = "8"
    & skf18("3","1","9","3","6","10","1") = "9"
    & skf18("3","1","9","3","7","1","1") = "8"
    & skf18("3","1","9","3","7","2","1") = "8"
    & skf18("3","1","9","3","7","3","1") = "8"
    & skf18("3","1","9","3","7","4","1") = "8"
    & skf18("3","1","9","3","7","5","1") = "8"
    & skf18("3","1","9","3","7","6","1") = "8"
    & skf18("3","1","9","3","7","7","1") = "8"
    & skf18("3","1","9","3","7","8","1") = "8"
    & skf18("3","1","9","3","7","9","1") = "8"
    & skf18("3","1","9","3","7","10","1") = "9"
    & skf18("3","1","9","3","8","1","1") = "8"
    & skf18("3","1","9","3","8","2","1") = "8"
    & skf18("3","1","9","3","8","3","1") = "8"
    & skf18("3","1","9","3","8","4","1") = "8"
    & skf18("3","1","9","3","8","5","1") = "8"
    & skf18("3","1","9","3","8","6","1") = "8"
    & skf18("3","1","9","3","8","7","1") = "8"
    & skf18("3","1","9","3","8","8","1") = "8"
    & skf18("3","1","9","3","8","9","1") = "8"
    & skf18("3","1","9","3","8","10","1") = "9"
    & skf18("3","1","9","3","9","1","1") = "8"
    & skf18("3","1","9","3","9","2","1") = "8"
    & skf18("3","1","9","3","9","3","1") = "8"
    & skf18("3","1","9","3","9","4","1") = "8"
    & skf18("3","1","9","3","9","5","1") = "8"
    & skf18("3","1","9","3","9","6","1") = "8"
    & skf18("3","1","9","3","9","7","1") = "8"
    & skf18("3","1","9","3","9","8","1") = "8"
    & skf18("3","1","9","3","9","9","1") = "8"
    & skf18("3","1","9","3","9","10","1") = "9"
    & skf18("3","1","9","3","10","1","1") = "9"
    & skf18("3","1","9","3","10","2","1") = "9"
    & skf18("3","1","9","3","10","3","1") = "9"
    & skf18("3","1","9","3","10","4","1") = "9"
    & skf18("3","1","9","3","10","5","1") = "9"
    & skf18("3","1","9","3","10","6","1") = "9"
    & skf18("3","1","9","3","10","7","1") = "9"
    & skf18("3","1","9","3","10","8","1") = "9"
    & skf18("3","1","9","3","10","9","1") = "9"
    & skf18("3","1","9","3","10","10","1") = "9"
    & skf18("3","1","9","4","1","1","1") = "8"
    & skf18("3","1","9","4","1","2","1") = "8"
    & skf18("3","1","9","4","1","3","1") = "8"
    & skf18("3","1","9","4","1","4","1") = "8"
    & skf18("3","1","9","4","1","5","1") = "8"
    & skf18("3","1","9","4","1","6","1") = "8"
    & skf18("3","1","9","4","1","7","1") = "8"
    & skf18("3","1","9","4","1","8","1") = "8"
    & skf18("3","1","9","4","1","9","1") = "8"
    & skf18("3","1","9","4","1","10","1") = "9"
    & skf18("3","1","9","4","2","1","1") = "8"
    & skf18("3","1","9","4","2","2","1") = "8"
    & skf18("3","1","9","4","2","3","1") = "8"
    & skf18("3","1","9","4","2","4","1") = "8"
    & skf18("3","1","9","4","2","5","1") = "8"
    & skf18("3","1","9","4","2","6","1") = "8"
    & skf18("3","1","9","4","2","7","1") = "8"
    & skf18("3","1","9","4","2","8","1") = "8"
    & skf18("3","1","9","4","2","9","1") = "8"
    & skf18("3","1","9","4","2","10","1") = "9"
    & skf18("3","1","9","4","3","1","1") = "8"
    & skf18("3","1","9","4","3","2","1") = "8"
    & skf18("3","1","9","4","3","3","1") = "8"
    & skf18("3","1","9","4","3","4","1") = "8"
    & skf18("3","1","9","4","3","5","1") = "8"
    & skf18("3","1","9","4","3","6","1") = "8"
    & skf18("3","1","9","4","3","7","1") = "8"
    & skf18("3","1","9","4","3","8","1") = "8"
    & skf18("3","1","9","4","3","9","1") = "8"
    & skf18("3","1","9","4","3","10","1") = "9"
    & skf18("3","1","9","4","4","1","1") = "8"
    & skf18("3","1","9","4","4","2","1") = "8"
    & skf18("3","1","9","4","4","3","1") = "8"
    & skf18("3","1","9","4","4","4","1") = "8"
    & skf18("3","1","9","4","4","5","1") = "8"
    & skf18("3","1","9","4","4","6","1") = "8"
    & skf18("3","1","9","4","4","7","1") = "8"
    & skf18("3","1","9","4","4","8","1") = "8"
    & skf18("3","1","9","4","4","9","1") = "8"
    & skf18("3","1","9","4","4","10","1") = "9"
    & skf18("3","1","9","4","5","1","1") = "8"
    & skf18("3","1","9","4","5","2","1") = "8"
    & skf18("3","1","9","4","5","3","1") = "8"
    & skf18("3","1","9","4","5","4","1") = "8"
    & skf18("3","1","9","4","5","5","1") = "8"
    & skf18("3","1","9","4","5","6","1") = "8"
    & skf18("3","1","9","4","5","7","1") = "8"
    & skf18("3","1","9","4","5","8","1") = "8"
    & skf18("3","1","9","4","5","9","1") = "8"
    & skf18("3","1","9","4","5","10","1") = "9"
    & skf18("3","1","9","4","6","1","1") = "8"
    & skf18("3","1","9","4","6","2","1") = "8"
    & skf18("3","1","9","4","6","3","1") = "8"
    & skf18("3","1","9","4","6","4","1") = "8"
    & skf18("3","1","9","4","6","5","1") = "8"
    & skf18("3","1","9","4","6","6","1") = "8"
    & skf18("3","1","9","4","6","7","1") = "8"
    & skf18("3","1","9","4","6","8","1") = "8"
    & skf18("3","1","9","4","6","9","1") = "8"
    & skf18("3","1","9","4","6","10","1") = "9"
    & skf18("3","1","9","4","7","1","1") = "8"
    & skf18("3","1","9","4","7","2","1") = "8"
    & skf18("3","1","9","4","7","3","1") = "8"
    & skf18("3","1","9","4","7","4","1") = "8"
    & skf18("3","1","9","4","7","5","1") = "8"
    & skf18("3","1","9","4","7","6","1") = "8"
    & skf18("3","1","9","4","7","7","1") = "8"
    & skf18("3","1","9","4","7","8","1") = "8"
    & skf18("3","1","9","4","7","9","1") = "8"
    & skf18("3","1","9","4","7","10","1") = "9"
    & skf18("3","1","9","4","8","1","1") = "8"
    & skf18("3","1","9","4","8","2","1") = "8"
    & skf18("3","1","9","4","8","3","1") = "8"
    & skf18("3","1","9","4","8","4","1") = "8"
    & skf18("3","1","9","4","8","5","1") = "8"
    & skf18("3","1","9","4","8","6","1") = "8"
    & skf18("3","1","9","4","8","7","1") = "8"
    & skf18("3","1","9","4","8","8","1") = "8"
    & skf18("3","1","9","4","8","9","1") = "8"
    & skf18("3","1","9","4","8","10","1") = "9"
    & skf18("3","1","9","4","9","1","1") = "8"
    & skf18("3","1","9","4","9","2","1") = "8"
    & skf18("3","1","9","4","9","3","1") = "8"
    & skf18("3","1","9","4","9","4","1") = "8"
    & skf18("3","1","9","4","9","5","1") = "8"
    & skf18("3","1","9","4","9","6","1") = "8"
    & skf18("3","1","9","4","9","7","1") = "8"
    & skf18("3","1","9","4","9","8","1") = "8"
    & skf18("3","1","9","4","9","9","1") = "8"
    & skf18("3","1","9","4","9","10","1") = "9"
    & skf18("3","1","9","4","10","1","1") = "9"
    & skf18("3","1","9","4","10","2","1") = "9"
    & skf18("3","1","9","4","10","3","1") = "9"
    & skf18("3","1","9","4","10","4","1") = "9"
    & skf18("3","1","9","4","10","5","1") = "9"
    & skf18("3","1","9","4","10","6","1") = "9"
    & skf18("3","1","9","4","10","7","1") = "9"
    & skf18("3","1","9","4","10","8","1") = "9"
    & skf18("3","1","9","4","10","9","1") = "9"
    & skf18("3","1","9","4","10","10","1") = "9"
    & skf18("3","1","9","5","1","1","1") = "8"
    & skf18("3","1","9","5","1","2","1") = "8"
    & skf18("3","1","9","5","1","3","1") = "8"
    & skf18("3","1","9","5","1","4","1") = "8"
    & skf18("3","1","9","5","1","5","1") = "8"
    & skf18("3","1","9","5","1","6","1") = "8"
    & skf18("3","1","9","5","1","7","1") = "8"
    & skf18("3","1","9","5","1","8","1") = "8"
    & skf18("3","1","9","5","1","9","1") = "8"
    & skf18("3","1","9","5","1","10","1") = "9"
    & skf18("3","1","9","5","2","1","1") = "8"
    & skf18("3","1","9","5","2","2","1") = "8"
    & skf18("3","1","9","5","2","3","1") = "8"
    & skf18("3","1","9","5","2","4","1") = "8"
    & skf18("3","1","9","5","2","5","1") = "8"
    & skf18("3","1","9","5","2","6","1") = "8"
    & skf18("3","1","9","5","2","7","1") = "8"
    & skf18("3","1","9","5","2","8","1") = "8"
    & skf18("3","1","9","5","2","9","1") = "8"
    & skf18("3","1","9","5","2","10","1") = "9"
    & skf18("3","1","9","5","3","1","1") = "8"
    & skf18("3","1","9","5","3","2","1") = "8"
    & skf18("3","1","9","5","3","3","1") = "8"
    & skf18("3","1","9","5","3","4","1") = "8"
    & skf18("3","1","9","5","3","5","1") = "8"
    & skf18("3","1","9","5","3","6","1") = "8"
    & skf18("3","1","9","5","3","7","1") = "8"
    & skf18("3","1","9","5","3","8","1") = "8"
    & skf18("3","1","9","5","3","9","1") = "8"
    & skf18("3","1","9","5","3","10","1") = "9"
    & skf18("3","1","9","5","4","1","1") = "8"
    & skf18("3","1","9","5","4","2","1") = "8"
    & skf18("3","1","9","5","4","3","1") = "8"
    & skf18("3","1","9","5","4","4","1") = "8"
    & skf18("3","1","9","5","4","5","1") = "8"
    & skf18("3","1","9","5","4","6","1") = "8"
    & skf18("3","1","9","5","4","7","1") = "8"
    & skf18("3","1","9","5","4","8","1") = "8"
    & skf18("3","1","9","5","4","9","1") = "8"
    & skf18("3","1","9","5","4","10","1") = "9"
    & skf18("3","1","9","5","5","1","1") = "8"
    & skf18("3","1","9","5","5","2","1") = "8"
    & skf18("3","1","9","5","5","3","1") = "8"
    & skf18("3","1","9","5","5","4","1") = "8"
    & skf18("3","1","9","5","5","5","1") = "8"
    & skf18("3","1","9","5","5","6","1") = "8"
    & skf18("3","1","9","5","5","7","1") = "8"
    & skf18("3","1","9","5","5","8","1") = "8"
    & skf18("3","1","9","5","5","9","1") = "8"
    & skf18("3","1","9","5","5","10","1") = "9"
    & skf18("3","1","9","5","6","1","1") = "8"
    & skf18("3","1","9","5","6","2","1") = "8"
    & skf18("3","1","9","5","6","3","1") = "8"
    & skf18("3","1","9","5","6","4","1") = "8"
    & skf18("3","1","9","5","6","5","1") = "8"
    & skf18("3","1","9","5","6","6","1") = "8"
    & skf18("3","1","9","5","6","7","1") = "8"
    & skf18("3","1","9","5","6","8","1") = "8"
    & skf18("3","1","9","5","6","9","1") = "8"
    & skf18("3","1","9","5","6","10","1") = "9"
    & skf18("3","1","9","5","7","1","1") = "8"
    & skf18("3","1","9","5","7","2","1") = "8"
    & skf18("3","1","9","5","7","3","1") = "8"
    & skf18("3","1","9","5","7","4","1") = "8"
    & skf18("3","1","9","5","7","5","1") = "8"
    & skf18("3","1","9","5","7","6","1") = "8"
    & skf18("3","1","9","5","7","7","1") = "8"
    & skf18("3","1","9","5","7","8","1") = "8"
    & skf18("3","1","9","5","7","9","1") = "8"
    & skf18("3","1","9","5","7","10","1") = "9"
    & skf18("3","1","9","5","8","1","1") = "8"
    & skf18("3","1","9","5","8","2","1") = "8"
    & skf18("3","1","9","5","8","3","1") = "8"
    & skf18("3","1","9","5","8","4","1") = "8"
    & skf18("3","1","9","5","8","5","1") = "8"
    & skf18("3","1","9","5","8","6","1") = "8"
    & skf18("3","1","9","5","8","7","1") = "8"
    & skf18("3","1","9","5","8","8","1") = "8"
    & skf18("3","1","9","5","8","9","1") = "8"
    & skf18("3","1","9","5","8","10","1") = "9"
    & skf18("3","1","9","5","9","1","1") = "8"
    & skf18("3","1","9","5","9","2","1") = "8"
    & skf18("3","1","9","5","9","3","1") = "8"
    & skf18("3","1","9","5","9","4","1") = "8"
    & skf18("3","1","9","5","9","5","1") = "8"
    & skf18("3","1","9","5","9","6","1") = "8"
    & skf18("3","1","9","5","9","7","1") = "8"
    & skf18("3","1","9","5","9","8","1") = "8"
    & skf18("3","1","9","5","9","9","1") = "8"
    & skf18("3","1","9","5","9","10","1") = "9"
    & skf18("3","1","9","5","10","1","1") = "9"
    & skf18("3","1","9","5","10","2","1") = "9"
    & skf18("3","1","9","5","10","3","1") = "9"
    & skf18("3","1","9","5","10","4","1") = "9"
    & skf18("3","1","9","5","10","5","1") = "9"
    & skf18("3","1","9","5","10","6","1") = "9"
    & skf18("3","1","9","5","10","7","1") = "9"
    & skf18("3","1","9","5","10","8","1") = "9"
    & skf18("3","1","9","5","10","9","1") = "9"
    & skf18("3","1","9","5","10","10","1") = "9"
    & skf18("3","1","9","6","1","1","1") = "8"
    & skf18("3","1","9","6","1","2","1") = "8"
    & skf18("3","1","9","6","1","3","1") = "8"
    & skf18("3","1","9","6","1","4","1") = "8"
    & skf18("3","1","9","6","1","5","1") = "8"
    & skf18("3","1","9","6","1","6","1") = "8"
    & skf18("3","1","9","6","1","7","1") = "8"
    & skf18("3","1","9","6","1","8","1") = "8"
    & skf18("3","1","9","6","1","9","1") = "8"
    & skf18("3","1","9","6","1","10","1") = "9"
    & skf18("3","1","9","6","2","1","1") = "8"
    & skf18("3","1","9","6","2","2","1") = "8"
    & skf18("3","1","9","6","2","3","1") = "8"
    & skf18("3","1","9","6","2","4","1") = "8"
    & skf18("3","1","9","6","2","5","1") = "8"
    & skf18("3","1","9","6","2","6","1") = "8"
    & skf18("3","1","9","6","2","7","1") = "8"
    & skf18("3","1","9","6","2","8","1") = "8"
    & skf18("3","1","9","6","2","9","1") = "8"
    & skf18("3","1","9","6","2","10","1") = "9"
    & skf18("3","1","9","6","3","1","1") = "8"
    & skf18("3","1","9","6","3","2","1") = "8"
    & skf18("3","1","9","6","3","3","1") = "8"
    & skf18("3","1","9","6","3","4","1") = "8"
    & skf18("3","1","9","6","3","5","1") = "8"
    & skf18("3","1","9","6","3","6","1") = "8"
    & skf18("3","1","9","6","3","7","1") = "8"
    & skf18("3","1","9","6","3","8","1") = "8"
    & skf18("3","1","9","6","3","9","1") = "8"
    & skf18("3","1","9","6","3","10","1") = "9"
    & skf18("3","1","9","6","4","1","1") = "8"
    & skf18("3","1","9","6","4","2","1") = "8"
    & skf18("3","1","9","6","4","3","1") = "8"
    & skf18("3","1","9","6","4","4","1") = "8"
    & skf18("3","1","9","6","4","5","1") = "8"
    & skf18("3","1","9","6","4","6","1") = "8"
    & skf18("3","1","9","6","4","7","1") = "8"
    & skf18("3","1","9","6","4","8","1") = "8"
    & skf18("3","1","9","6","4","9","1") = "8"
    & skf18("3","1","9","6","4","10","1") = "9"
    & skf18("3","1","9","6","5","1","1") = "8"
    & skf18("3","1","9","6","5","2","1") = "8"
    & skf18("3","1","9","6","5","3","1") = "8"
    & skf18("3","1","9","6","5","4","1") = "8"
    & skf18("3","1","9","6","5","5","1") = "8"
    & skf18("3","1","9","6","5","6","1") = "8"
    & skf18("3","1","9","6","5","7","1") = "8"
    & skf18("3","1","9","6","5","8","1") = "8"
    & skf18("3","1","9","6","5","9","1") = "8"
    & skf18("3","1","9","6","5","10","1") = "9"
    & skf18("3","1","9","6","6","1","1") = "8"
    & skf18("3","1","9","6","6","2","1") = "8"
    & skf18("3","1","9","6","6","3","1") = "8"
    & skf18("3","1","9","6","6","4","1") = "8"
    & skf18("3","1","9","6","6","5","1") = "8"
    & skf18("3","1","9","6","6","6","1") = "8"
    & skf18("3","1","9","6","6","7","1") = "8"
    & skf18("3","1","9","6","6","8","1") = "8"
    & skf18("3","1","9","6","6","9","1") = "8"
    & skf18("3","1","9","6","6","10","1") = "9"
    & skf18("3","1","9","6","7","1","1") = "8"
    & skf18("3","1","9","6","7","2","1") = "8"
    & skf18("3","1","9","6","7","3","1") = "8"
    & skf18("3","1","9","6","7","4","1") = "8"
    & skf18("3","1","9","6","7","5","1") = "8"
    & skf18("3","1","9","6","7","6","1") = "8"
    & skf18("3","1","9","6","7","7","1") = "8"
    & skf18("3","1","9","6","7","8","1") = "8"
    & skf18("3","1","9","6","7","9","1") = "8"
    & skf18("3","1","9","6","7","10","1") = "9"
    & skf18("3","1","9","6","8","1","1") = "8"
    & skf18("3","1","9","6","8","2","1") = "8"
    & skf18("3","1","9","6","8","3","1") = "8"
    & skf18("3","1","9","6","8","4","1") = "8"
    & skf18("3","1","9","6","8","5","1") = "8"
    & skf18("3","1","9","6","8","6","1") = "8"
    & skf18("3","1","9","6","8","7","1") = "8"
    & skf18("3","1","9","6","8","8","1") = "8"
    & skf18("3","1","9","6","8","9","1") = "8"
    & skf18("3","1","9","6","8","10","1") = "9"
    & skf18("3","1","9","6","9","1","1") = "8"
    & skf18("3","1","9","6","9","2","1") = "8"
    & skf18("3","1","9","6","9","3","1") = "8"
    & skf18("3","1","9","6","9","4","1") = "8"
    & skf18("3","1","9","6","9","5","1") = "8"
    & skf18("3","1","9","6","9","6","1") = "8"
    & skf18("3","1","9","6","9","7","1") = "8"
    & skf18("3","1","9","6","9","8","1") = "8"
    & skf18("3","1","9","6","9","9","1") = "8"
    & skf18("3","1","9","6","9","10","1") = "9"
    & skf18("3","1","9","6","10","1","1") = "9"
    & skf18("3","1","9","6","10","2","1") = "9"
    & skf18("3","1","9","6","10","3","1") = "9"
    & skf18("3","1","9","6","10","4","1") = "9"
    & skf18("3","1","9","6","10","5","1") = "9"
    & skf18("3","1","9","6","10","6","1") = "9"
    & skf18("3","1","9","6","10","7","1") = "9"
    & skf18("3","1","9","6","10","8","1") = "9"
    & skf18("3","1","9","6","10","9","1") = "9"
    & skf18("3","1","9","6","10","10","1") = "9"
    & skf18("3","1","9","7","1","1","1") = "8"
    & skf18("3","1","9","7","1","2","1") = "8"
    & skf18("3","1","9","7","1","3","1") = "8"
    & skf18("3","1","9","7","1","4","1") = "8"
    & skf18("3","1","9","7","1","5","1") = "8"
    & skf18("3","1","9","7","1","6","1") = "8"
    & skf18("3","1","9","7","1","7","1") = "8"
    & skf18("3","1","9","7","1","8","1") = "8"
    & skf18("3","1","9","7","1","9","1") = "8"
    & skf18("3","1","9","7","1","10","1") = "9"
    & skf18("3","1","9","7","2","1","1") = "8"
    & skf18("3","1","9","7","2","2","1") = "8"
    & skf18("3","1","9","7","2","3","1") = "8"
    & skf18("3","1","9","7","2","4","1") = "8"
    & skf18("3","1","9","7","2","5","1") = "8"
    & skf18("3","1","9","7","2","6","1") = "8"
    & skf18("3","1","9","7","2","7","1") = "8"
    & skf18("3","1","9","7","2","8","1") = "8"
    & skf18("3","1","9","7","2","9","1") = "8"
    & skf18("3","1","9","7","2","10","1") = "9"
    & skf18("3","1","9","7","3","1","1") = "8"
    & skf18("3","1","9","7","3","2","1") = "8"
    & skf18("3","1","9","7","3","3","1") = "8"
    & skf18("3","1","9","7","3","4","1") = "8"
    & skf18("3","1","9","7","3","5","1") = "8"
    & skf18("3","1","9","7","3","6","1") = "8"
    & skf18("3","1","9","7","3","7","1") = "8"
    & skf18("3","1","9","7","3","8","1") = "8"
    & skf18("3","1","9","7","3","9","1") = "8"
    & skf18("3","1","9","7","3","10","1") = "9"
    & skf18("3","1","9","7","4","1","1") = "8"
    & skf18("3","1","9","7","4","2","1") = "8"
    & skf18("3","1","9","7","4","3","1") = "8"
    & skf18("3","1","9","7","4","4","1") = "8"
    & skf18("3","1","9","7","4","5","1") = "8"
    & skf18("3","1","9","7","4","6","1") = "8"
    & skf18("3","1","9","7","4","7","1") = "8"
    & skf18("3","1","9","7","4","8","1") = "8"
    & skf18("3","1","9","7","4","9","1") = "8"
    & skf18("3","1","9","7","4","10","1") = "9"
    & skf18("3","1","9","7","5","1","1") = "8"
    & skf18("3","1","9","7","5","2","1") = "8"
    & skf18("3","1","9","7","5","3","1") = "8"
    & skf18("3","1","9","7","5","4","1") = "8"
    & skf18("3","1","9","7","5","5","1") = "8"
    & skf18("3","1","9","7","5","6","1") = "8"
    & skf18("3","1","9","7","5","7","1") = "8"
    & skf18("3","1","9","7","5","8","1") = "8"
    & skf18("3","1","9","7","5","9","1") = "8"
    & skf18("3","1","9","7","5","10","1") = "9"
    & skf18("3","1","9","7","6","1","1") = "8"
    & skf18("3","1","9","7","6","2","1") = "8"
    & skf18("3","1","9","7","6","3","1") = "8"
    & skf18("3","1","9","7","6","4","1") = "8"
    & skf18("3","1","9","7","6","5","1") = "8"
    & skf18("3","1","9","7","6","6","1") = "8"
    & skf18("3","1","9","7","6","7","1") = "8"
    & skf18("3","1","9","7","6","8","1") = "8"
    & skf18("3","1","9","7","6","9","1") = "8"
    & skf18("3","1","9","7","6","10","1") = "9"
    & skf18("3","1","9","7","7","1","1") = "8"
    & skf18("3","1","9","7","7","2","1") = "8"
    & skf18("3","1","9","7","7","3","1") = "8"
    & skf18("3","1","9","7","7","4","1") = "8"
    & skf18("3","1","9","7","7","5","1") = "8"
    & skf18("3","1","9","7","7","6","1") = "8"
    & skf18("3","1","9","7","7","7","1") = "8"
    & skf18("3","1","9","7","7","8","1") = "8"
    & skf18("3","1","9","7","7","9","1") = "8"
    & skf18("3","1","9","7","7","10","1") = "9"
    & skf18("3","1","9","7","8","1","1") = "8"
    & skf18("3","1","9","7","8","2","1") = "8"
    & skf18("3","1","9","7","8","3","1") = "8"
    & skf18("3","1","9","7","8","4","1") = "8"
    & skf18("3","1","9","7","8","5","1") = "8"
    & skf18("3","1","9","7","8","6","1") = "8"
    & skf18("3","1","9","7","8","7","1") = "8"
    & skf18("3","1","9","7","8","8","1") = "8"
    & skf18("3","1","9","7","8","9","1") = "8"
    & skf18("3","1","9","7","8","10","1") = "9"
    & skf18("3","1","9","7","9","1","1") = "8"
    & skf18("3","1","9","7","9","2","1") = "8"
    & skf18("3","1","9","7","9","3","1") = "8"
    & skf18("3","1","9","7","9","4","1") = "8"
    & skf18("3","1","9","7","9","5","1") = "8"
    & skf18("3","1","9","7","9","6","1") = "8"
    & skf18("3","1","9","7","9","7","1") = "8"
    & skf18("3","1","9","7","9","8","1") = "8"
    & skf18("3","1","9","7","9","9","1") = "8"
    & skf18("3","1","9","7","9","10","1") = "9"
    & skf18("3","1","9","7","10","1","1") = "9"
    & skf18("3","1","9","7","10","2","1") = "9"
    & skf18("3","1","9","7","10","3","1") = "9"
    & skf18("3","1","9","7","10","4","1") = "9"
    & skf18("3","1","9","7","10","5","1") = "9"
    & skf18("3","1","9","7","10","6","1") = "9"
    & skf18("3","1","9","7","10","7","1") = "9"
    & skf18("3","1","9","7","10","8","1") = "9"
    & skf18("3","1","9","7","10","9","1") = "9"
    & skf18("3","1","9","7","10","10","1") = "9"
    & skf18("3","1","9","8","1","1","1") = "8"
    & skf18("3","1","9","8","1","2","1") = "8"
    & skf18("3","1","9","8","1","3","1") = "8"
    & skf18("3","1","9","8","1","4","1") = "8"
    & skf18("3","1","9","8","1","5","1") = "8"
    & skf18("3","1","9","8","1","6","1") = "8"
    & skf18("3","1","9","8","1","7","1") = "8"
    & skf18("3","1","9","8","1","8","1") = "8"
    & skf18("3","1","9","8","1","9","1") = "8"
    & skf18("3","1","9","8","1","10","1") = "9"
    & skf18("3","1","9","8","2","1","1") = "8"
    & skf18("3","1","9","8","2","2","1") = "8"
    & skf18("3","1","9","8","2","3","1") = "8"
    & skf18("3","1","9","8","2","4","1") = "8"
    & skf18("3","1","9","8","2","5","1") = "8"
    & skf18("3","1","9","8","2","6","1") = "8"
    & skf18("3","1","9","8","2","7","1") = "8"
    & skf18("3","1","9","8","2","8","1") = "8"
    & skf18("3","1","9","8","2","9","1") = "8"
    & skf18("3","1","9","8","2","10","1") = "9"
    & skf18("3","1","9","8","3","1","1") = "8"
    & skf18("3","1","9","8","3","2","1") = "8"
    & skf18("3","1","9","8","3","3","1") = "8"
    & skf18("3","1","9","8","3","4","1") = "8"
    & skf18("3","1","9","8","3","5","1") = "8"
    & skf18("3","1","9","8","3","6","1") = "8"
    & skf18("3","1","9","8","3","7","1") = "8"
    & skf18("3","1","9","8","3","8","1") = "8"
    & skf18("3","1","9","8","3","9","1") = "8"
    & skf18("3","1","9","8","3","10","1") = "9"
    & skf18("3","1","9","8","4","1","1") = "8"
    & skf18("3","1","9","8","4","2","1") = "8"
    & skf18("3","1","9","8","4","3","1") = "8"
    & skf18("3","1","9","8","4","4","1") = "8"
    & skf18("3","1","9","8","4","5","1") = "8"
    & skf18("3","1","9","8","4","6","1") = "8"
    & skf18("3","1","9","8","4","7","1") = "8"
    & skf18("3","1","9","8","4","8","1") = "8"
    & skf18("3","1","9","8","4","9","1") = "8"
    & skf18("3","1","9","8","4","10","1") = "9"
    & skf18("3","1","9","8","5","1","1") = "8"
    & skf18("3","1","9","8","5","2","1") = "8"
    & skf18("3","1","9","8","5","3","1") = "8"
    & skf18("3","1","9","8","5","4","1") = "8"
    & skf18("3","1","9","8","5","5","1") = "8"
    & skf18("3","1","9","8","5","6","1") = "8"
    & skf18("3","1","9","8","5","7","1") = "8"
    & skf18("3","1","9","8","5","8","1") = "8"
    & skf18("3","1","9","8","5","9","1") = "8"
    & skf18("3","1","9","8","5","10","1") = "9"
    & skf18("3","1","9","8","6","1","1") = "8"
    & skf18("3","1","9","8","6","2","1") = "8"
    & skf18("3","1","9","8","6","3","1") = "8"
    & skf18("3","1","9","8","6","4","1") = "8"
    & skf18("3","1","9","8","6","5","1") = "8"
    & skf18("3","1","9","8","6","6","1") = "8"
    & skf18("3","1","9","8","6","7","1") = "8"
    & skf18("3","1","9","8","6","8","1") = "8"
    & skf18("3","1","9","8","6","9","1") = "8"
    & skf18("3","1","9","8","6","10","1") = "9"
    & skf18("3","1","9","8","7","1","1") = "8"
    & skf18("3","1","9","8","7","2","1") = "8"
    & skf18("3","1","9","8","7","3","1") = "8"
    & skf18("3","1","9","8","7","4","1") = "8"
    & skf18("3","1","9","8","7","5","1") = "8"
    & skf18("3","1","9","8","7","6","1") = "8"
    & skf18("3","1","9","8","7","7","1") = "8"
    & skf18("3","1","9","8","7","8","1") = "8"
    & skf18("3","1","9","8","7","9","1") = "8"
    & skf18("3","1","9","8","7","10","1") = "9"
    & skf18("3","1","9","8","8","1","1") = "8"
    & skf18("3","1","9","8","8","2","1") = "8"
    & skf18("3","1","9","8","8","3","1") = "8"
    & skf18("3","1","9","8","8","4","1") = "8"
    & skf18("3","1","9","8","8","5","1") = "8"
    & skf18("3","1","9","8","8","6","1") = "8"
    & skf18("3","1","9","8","8","7","1") = "8"
    & skf18("3","1","9","8","8","8","1") = "8"
    & skf18("3","1","9","8","8","9","1") = "8"
    & skf18("3","1","9","8","8","10","1") = "9"
    & skf18("3","1","9","8","9","1","1") = "8"
    & skf18("3","1","9","8","9","2","1") = "8"
    & skf18("3","1","9","8","9","3","1") = "8"
    & skf18("3","1","9","8","9","4","1") = "8"
    & skf18("3","1","9","8","9","5","1") = "8"
    & skf18("3","1","9","8","9","6","1") = "8"
    & skf18("3","1","9","8","9","7","1") = "8"
    & skf18("3","1","9","8","9","8","1") = "8"
    & skf18("3","1","9","8","9","9","1") = "8"
    & skf18("3","1","9","8","9","10","1") = "9"
    & skf18("3","1","9","8","10","1","1") = "9"
    & skf18("3","1","9","8","10","2","1") = "9"
    & skf18("3","1","9","8","10","3","1") = "9"
    & skf18("3","1","9","8","10","4","1") = "9"
    & skf18("3","1","9","8","10","5","1") = "9"
    & skf18("3","1","9","8","10","6","1") = "9"
    & skf18("3","1","9","8","10","7","1") = "9"
    & skf18("3","1","9","8","10","8","1") = "9"
    & skf18("3","1","9","8","10","9","1") = "9"
    & skf18("3","1","9","8","10","10","1") = "9"
    & skf18("3","1","9","9","1","1","1") = "8"
    & skf18("3","1","9","9","1","2","1") = "8"
    & skf18("3","1","9","9","1","3","1") = "8"
    & skf18("3","1","9","9","1","4","1") = "8"
    & skf18("3","1","9","9","1","5","1") = "8"
    & skf18("3","1","9","9","1","6","1") = "8"
    & skf18("3","1","9","9","1","7","1") = "8"
    & skf18("3","1","9","9","1","8","1") = "8"
    & skf18("3","1","9","9","1","9","1") = "8"
    & skf18("3","1","9","9","1","10","1") = "9"
    & skf18("3","1","9","9","2","1","1") = "8"
    & skf18("3","1","9","9","2","2","1") = "8"
    & skf18("3","1","9","9","2","3","1") = "8"
    & skf18("3","1","9","9","2","4","1") = "8"
    & skf18("3","1","9","9","2","5","1") = "8"
    & skf18("3","1","9","9","2","6","1") = "8"
    & skf18("3","1","9","9","2","7","1") = "8"
    & skf18("3","1","9","9","2","8","1") = "8"
    & skf18("3","1","9","9","2","9","1") = "8"
    & skf18("3","1","9","9","2","10","1") = "9"
    & skf18("3","1","9","9","3","1","1") = "8"
    & skf18("3","1","9","9","3","2","1") = "8"
    & skf18("3","1","9","9","3","3","1") = "8"
    & skf18("3","1","9","9","3","4","1") = "8"
    & skf18("3","1","9","9","3","5","1") = "8"
    & skf18("3","1","9","9","3","6","1") = "8"
    & skf18("3","1","9","9","3","7","1") = "8"
    & skf18("3","1","9","9","3","8","1") = "8"
    & skf18("3","1","9","9","3","9","1") = "8"
    & skf18("3","1","9","9","3","10","1") = "9"
    & skf18("3","1","9","9","4","1","1") = "8"
    & skf18("3","1","9","9","4","2","1") = "8"
    & skf18("3","1","9","9","4","3","1") = "8"
    & skf18("3","1","9","9","4","4","1") = "8"
    & skf18("3","1","9","9","4","5","1") = "8"
    & skf18("3","1","9","9","4","6","1") = "8"
    & skf18("3","1","9","9","4","7","1") = "8"
    & skf18("3","1","9","9","4","8","1") = "8"
    & skf18("3","1","9","9","4","9","1") = "8"
    & skf18("3","1","9","9","4","10","1") = "9"
    & skf18("3","1","9","9","5","1","1") = "8"
    & skf18("3","1","9","9","5","2","1") = "8"
    & skf18("3","1","9","9","5","3","1") = "8"
    & skf18("3","1","9","9","5","4","1") = "8"
    & skf18("3","1","9","9","5","5","1") = "8"
    & skf18("3","1","9","9","5","6","1") = "8"
    & skf18("3","1","9","9","5","7","1") = "8"
    & skf18("3","1","9","9","5","8","1") = "8"
    & skf18("3","1","9","9","5","9","1") = "8"
    & skf18("3","1","9","9","5","10","1") = "9"
    & skf18("3","1","9","9","6","1","1") = "8"
    & skf18("3","1","9","9","6","2","1") = "8"
    & skf18("3","1","9","9","6","3","1") = "8"
    & skf18("3","1","9","9","6","4","1") = "8"
    & skf18("3","1","9","9","6","5","1") = "8"
    & skf18("3","1","9","9","6","6","1") = "8"
    & skf18("3","1","9","9","6","7","1") = "8"
    & skf18("3","1","9","9","6","8","1") = "8"
    & skf18("3","1","9","9","6","9","1") = "8"
    & skf18("3","1","9","9","6","10","1") = "9"
    & skf18("3","1","9","9","7","1","1") = "8"
    & skf18("3","1","9","9","7","2","1") = "8"
    & skf18("3","1","9","9","7","3","1") = "8"
    & skf18("3","1","9","9","7","4","1") = "8"
    & skf18("3","1","9","9","7","5","1") = "8"
    & skf18("3","1","9","9","7","6","1") = "8"
    & skf18("3","1","9","9","7","7","1") = "8"
    & skf18("3","1","9","9","7","8","1") = "8"
    & skf18("3","1","9","9","7","9","1") = "8"
    & skf18("3","1","9","9","7","10","1") = "9"
    & skf18("3","1","9","9","8","1","1") = "8"
    & skf18("3","1","9","9","8","2","1") = "8"
    & skf18("3","1","9","9","8","3","1") = "8"
    & skf18("3","1","9","9","8","4","1") = "8"
    & skf18("3","1","9","9","8","5","1") = "8"
    & skf18("3","1","9","9","8","6","1") = "8"
    & skf18("3","1","9","9","8","7","1") = "8"
    & skf18("3","1","9","9","8","8","1") = "8"
    & skf18("3","1","9","9","8","9","1") = "8"
    & skf18("3","1","9","9","8","10","1") = "9"
    & skf18("3","1","9","9","9","1","1") = "8"
    & skf18("3","1","9","9","9","2","1") = "8"
    & skf18("3","1","9","9","9","3","1") = "8"
    & skf18("3","1","9","9","9","4","1") = "8"
    & skf18("3","1","9","9","9","5","1") = "8"
    & skf18("3","1","9","9","9","6","1") = "8"
    & skf18("3","1","9","9","9","7","1") = "8"
    & skf18("3","1","9","9","9","8","1") = "8"
    & skf18("3","1","9","9","9","9","1") = "8"
    & skf18("3","1","9","9","9","10","1") = "9"
    & skf18("3","1","9","9","10","1","1") = "9"
    & skf18("3","1","9","9","10","2","1") = "9"
    & skf18("3","1","9","9","10","3","1") = "9"
    & skf18("3","1","9","9","10","4","1") = "9"
    & skf18("3","1","9","9","10","5","1") = "9"
    & skf18("3","1","9","9","10","6","1") = "9"
    & skf18("3","1","9","9","10","7","1") = "9"
    & skf18("3","1","9","9","10","8","1") = "9"
    & skf18("3","1","9","9","10","9","1") = "9"
    & skf18("3","1","9","9","10","10","1") = "9"
    & skf18("3","1","9","10","1","1","1") = "9"
    & skf18("3","1","9","10","1","2","1") = "9"
    & skf18("3","1","9","10","1","3","1") = "9"
    & skf18("3","1","9","10","1","4","1") = "9"
    & skf18("3","1","9","10","1","5","1") = "9"
    & skf18("3","1","9","10","1","6","1") = "9"
    & skf18("3","1","9","10","1","7","1") = "9"
    & skf18("3","1","9","10","1","8","1") = "9"
    & skf18("3","1","9","10","1","9","1") = "9"
    & skf18("3","1","9","10","1","10","1") = "9"
    & skf18("3","1","9","10","2","1","1") = "9"
    & skf18("3","1","9","10","2","2","1") = "9"
    & skf18("3","1","9","10","2","3","1") = "9"
    & skf18("3","1","9","10","2","4","1") = "9"
    & skf18("3","1","9","10","2","5","1") = "9"
    & skf18("3","1","9","10","2","6","1") = "9"
    & skf18("3","1","9","10","2","7","1") = "9"
    & skf18("3","1","9","10","2","8","1") = "9"
    & skf18("3","1","9","10","2","9","1") = "9"
    & skf18("3","1","9","10","2","10","1") = "9"
    & skf18("3","1","9","10","3","1","1") = "9"
    & skf18("3","1","9","10","3","2","1") = "9"
    & skf18("3","1","9","10","3","3","1") = "9"
    & skf18("3","1","9","10","3","4","1") = "9"
    & skf18("3","1","9","10","3","5","1") = "9"
    & skf18("3","1","9","10","3","6","1") = "9"
    & skf18("3","1","9","10","3","7","1") = "9"
    & skf18("3","1","9","10","3","8","1") = "9"
    & skf18("3","1","9","10","3","9","1") = "9"
    & skf18("3","1","9","10","3","10","1") = "9"
    & skf18("3","1","9","10","4","1","1") = "9"
    & skf18("3","1","9","10","4","2","1") = "9"
    & skf18("3","1","9","10","4","3","1") = "9"
    & skf18("3","1","9","10","4","4","1") = "9"
    & skf18("3","1","9","10","4","5","1") = "9"
    & skf18("3","1","9","10","4","6","1") = "9"
    & skf18("3","1","9","10","4","7","1") = "9"
    & skf18("3","1","9","10","4","8","1") = "9"
    & skf18("3","1","9","10","4","9","1") = "9"
    & skf18("3","1","9","10","4","10","1") = "9"
    & skf18("3","1","9","10","5","1","1") = "9"
    & skf18("3","1","9","10","5","2","1") = "9"
    & skf18("3","1","9","10","5","3","1") = "9"
    & skf18("3","1","9","10","5","4","1") = "9"
    & skf18("3","1","9","10","5","5","1") = "9"
    & skf18("3","1","9","10","5","6","1") = "9"
    & skf18("3","1","9","10","5","7","1") = "9"
    & skf18("3","1","9","10","5","8","1") = "9"
    & skf18("3","1","9","10","5","9","1") = "9"
    & skf18("3","1","9","10","5","10","1") = "9"
    & skf18("3","1","9","10","6","1","1") = "9"
    & skf18("3","1","9","10","6","2","1") = "9"
    & skf18("3","1","9","10","6","3","1") = "9"
    & skf18("3","1","9","10","6","4","1") = "9"
    & skf18("3","1","9","10","6","5","1") = "9"
    & skf18("3","1","9","10","6","6","1") = "9"
    & skf18("3","1","9","10","6","7","1") = "9"
    & skf18("3","1","9","10","6","8","1") = "9"
    & skf18("3","1","9","10","6","9","1") = "9"
    & skf18("3","1","9","10","6","10","1") = "9"
    & skf18("3","1","9","10","7","1","1") = "9"
    & skf18("3","1","9","10","7","2","1") = "9"
    & skf18("3","1","9","10","7","3","1") = "9"
    & skf18("3","1","9","10","7","4","1") = "9"
    & skf18("3","1","9","10","7","5","1") = "9"
    & skf18("3","1","9","10","7","6","1") = "9"
    & skf18("3","1","9","10","7","7","1") = "9"
    & skf18("3","1","9","10","7","8","1") = "9"
    & skf18("3","1","9","10","7","9","1") = "9"
    & skf18("3","1","9","10","7","10","1") = "9"
    & skf18("3","1","9","10","8","1","1") = "9"
    & skf18("3","1","9","10","8","2","1") = "9"
    & skf18("3","1","9","10","8","3","1") = "9"
    & skf18("3","1","9","10","8","4","1") = "9"
    & skf18("3","1","9","10","8","5","1") = "9"
    & skf18("3","1","9","10","8","6","1") = "9"
    & skf18("3","1","9","10","8","7","1") = "9"
    & skf18("3","1","9","10","8","8","1") = "9"
    & skf18("3","1","9","10","8","9","1") = "9"
    & skf18("3","1","9","10","8","10","1") = "9"
    & skf18("3","1","9","10","9","1","1") = "9"
    & skf18("3","1","9","10","9","2","1") = "9"
    & skf18("3","1","9","10","9","3","1") = "9"
    & skf18("3","1","9","10","9","4","1") = "9"
    & skf18("3","1","9","10","9","5","1") = "9"
    & skf18("3","1","9","10","9","6","1") = "9"
    & skf18("3","1","9","10","9","7","1") = "9"
    & skf18("3","1","9","10","9","8","1") = "9"
    & skf18("3","1","9","10","9","9","1") = "9"
    & skf18("3","1","9","10","9","10","1") = "9"
    & skf18("3","1","9","10","10","1","1") = "9"
    & skf18("3","1","9","10","10","2","1") = "9"
    & skf18("3","1","9","10","10","3","1") = "9"
    & skf18("3","1","9","10","10","4","1") = "9"
    & skf18("3","1","9","10","10","5","1") = "9"
    & skf18("3","1","9","10","10","6","1") = "9"
    & skf18("3","1","9","10","10","7","1") = "9"
    & skf18("3","1","9","10","10","8","1") = "9"
    & skf18("3","1","9","10","10","9","1") = "9"
    & skf18("3","1","9","10","10","10","1") = "9"
    & skf18("3","1","10","1","1","1","1") = "9"
    & skf18("3","1","10","1","1","2","1") = "9"
    & skf18("3","1","10","1","1","3","1") = "9"
    & skf18("3","1","10","1","1","4","1") = "9"
    & skf18("3","1","10","1","1","5","1") = "9"
    & skf18("3","1","10","1","1","6","1") = "9"
    & skf18("3","1","10","1","1","7","1") = "9"
    & skf18("3","1","10","1","1","8","1") = "9"
    & skf18("3","1","10","1","1","9","1") = "9"
    & skf18("3","1","10","1","1","10","1") = "9"
    & skf18("3","1","10","1","2","1","1") = "9"
    & skf18("3","1","10","1","2","2","1") = "9"
    & skf18("3","1","10","1","2","3","1") = "9"
    & skf18("3","1","10","1","2","4","1") = "9"
    & skf18("3","1","10","1","2","5","1") = "9"
    & skf18("3","1","10","1","2","6","1") = "9"
    & skf18("3","1","10","1","2","7","1") = "9"
    & skf18("3","1","10","1","2","8","1") = "9"
    & skf18("3","1","10","1","2","9","1") = "9"
    & skf18("3","1","10","1","2","10","1") = "9"
    & skf18("3","1","10","1","3","1","1") = "9"
    & skf18("3","1","10","1","3","2","1") = "9"
    & skf18("3","1","10","1","3","3","1") = "9"
    & skf18("3","1","10","1","3","4","1") = "9"
    & skf18("3","1","10","1","3","5","1") = "9"
    & skf18("3","1","10","1","3","6","1") = "9"
    & skf18("3","1","10","1","3","7","1") = "9"
    & skf18("3","1","10","1","3","8","1") = "9"
    & skf18("3","1","10","1","3","9","1") = "9"
    & skf18("3","1","10","1","3","10","1") = "9"
    & skf18("3","1","10","1","4","1","1") = "9"
    & skf18("3","1","10","1","4","2","1") = "9"
    & skf18("3","1","10","1","4","3","1") = "9"
    & skf18("3","1","10","1","4","4","1") = "9"
    & skf18("3","1","10","1","4","5","1") = "9"
    & skf18("3","1","10","1","4","6","1") = "9"
    & skf18("3","1","10","1","4","7","1") = "9"
    & skf18("3","1","10","1","4","8","1") = "9"
    & skf18("3","1","10","1","4","9","1") = "9"
    & skf18("3","1","10","1","4","10","1") = "9"
    & skf18("3","1","10","1","5","1","1") = "9"
    & skf18("3","1","10","1","5","2","1") = "9"
    & skf18("3","1","10","1","5","3","1") = "9"
    & skf18("3","1","10","1","5","4","1") = "9"
    & skf18("3","1","10","1","5","5","1") = "9"
    & skf18("3","1","10","1","5","6","1") = "9"
    & skf18("3","1","10","1","5","7","1") = "9"
    & skf18("3","1","10","1","5","8","1") = "9"
    & skf18("3","1","10","1","5","9","1") = "9"
    & skf18("3","1","10","1","5","10","1") = "9"
    & skf18("3","1","10","1","6","1","1") = "9"
    & skf18("3","1","10","1","6","2","1") = "9"
    & skf18("3","1","10","1","6","3","1") = "9"
    & skf18("3","1","10","1","6","4","1") = "9"
    & skf18("3","1","10","1","6","5","1") = "9"
    & skf18("3","1","10","1","6","6","1") = "9"
    & skf18("3","1","10","1","6","7","1") = "9"
    & skf18("3","1","10","1","6","8","1") = "9"
    & skf18("3","1","10","1","6","9","1") = "9"
    & skf18("3","1","10","1","6","10","1") = "9"
    & skf18("3","1","10","1","7","1","1") = "9"
    & skf18("3","1","10","1","7","2","1") = "9"
    & skf18("3","1","10","1","7","3","1") = "9"
    & skf18("3","1","10","1","7","4","1") = "9"
    & skf18("3","1","10","1","7","5","1") = "9"
    & skf18("3","1","10","1","7","6","1") = "9"
    & skf18("3","1","10","1","7","7","1") = "9"
    & skf18("3","1","10","1","7","8","1") = "9"
    & skf18("3","1","10","1","7","9","1") = "9"
    & skf18("3","1","10","1","7","10","1") = "9"
    & skf18("3","1","10","1","8","1","1") = "9"
    & skf18("3","1","10","1","8","2","1") = "9"
    & skf18("3","1","10","1","8","3","1") = "9"
    & skf18("3","1","10","1","8","4","1") = "9"
    & skf18("3","1","10","1","8","5","1") = "9"
    & skf18("3","1","10","1","8","6","1") = "9"
    & skf18("3","1","10","1","8","7","1") = "9"
    & skf18("3","1","10","1","8","8","1") = "9"
    & skf18("3","1","10","1","8","9","1") = "9"
    & skf18("3","1","10","1","8","10","1") = "9"
    & skf18("3","1","10","1","9","1","1") = "9"
    & skf18("3","1","10","1","9","2","1") = "9"
    & skf18("3","1","10","1","9","3","1") = "9"
    & skf18("3","1","10","1","9","4","1") = "9"
    & skf18("3","1","10","1","9","5","1") = "9"
    & skf18("3","1","10","1","9","6","1") = "9"
    & skf18("3","1","10","1","9","7","1") = "9"
    & skf18("3","1","10","1","9","8","1") = "9"
    & skf18("3","1","10","1","9","9","1") = "9"
    & skf18("3","1","10","1","9","10","1") = "9"
    & skf18("3","1","10","1","10","1","1") = "9"
    & skf18("3","1","10","1","10","2","1") = "9"
    & skf18("3","1","10","1","10","3","1") = "9"
    & skf18("3","1","10","1","10","4","1") = "9"
    & skf18("3","1","10","1","10","5","1") = "9"
    & skf18("3","1","10","1","10","6","1") = "9"
    & skf18("3","1","10","1","10","7","1") = "9"
    & skf18("3","1","10","1","10","8","1") = "9"
    & skf18("3","1","10","1","10","9","1") = "9"
    & skf18("3","1","10","1","10","10","1") = "9"
    & skf18("3","1","10","2","1","1","1") = "9"
    & skf18("3","1","10","2","1","2","1") = "9"
    & skf18("3","1","10","2","1","3","1") = "9"
    & skf18("3","1","10","2","1","4","1") = "9"
    & skf18("3","1","10","2","1","5","1") = "9"
    & skf18("3","1","10","2","1","6","1") = "9"
    & skf18("3","1","10","2","1","7","1") = "9"
    & skf18("3","1","10","2","1","8","1") = "9"
    & skf18("3","1","10","2","1","9","1") = "9"
    & skf18("3","1","10","2","1","10","1") = "9"
    & skf18("3","1","10","2","2","1","1") = "9"
    & skf18("3","1","10","2","2","2","1") = "9"
    & skf18("3","1","10","2","2","3","1") = "9"
    & skf18("3","1","10","2","2","4","1") = "9"
    & skf18("3","1","10","2","2","5","1") = "9"
    & skf18("3","1","10","2","2","6","1") = "9"
    & skf18("3","1","10","2","2","7","1") = "9"
    & skf18("3","1","10","2","2","8","1") = "9"
    & skf18("3","1","10","2","2","9","1") = "9"
    & skf18("3","1","10","2","2","10","1") = "9"
    & skf18("3","1","10","2","3","1","1") = "9"
    & skf18("3","1","10","2","3","2","1") = "9"
    & skf18("3","1","10","2","3","3","1") = "9"
    & skf18("3","1","10","2","3","4","1") = "9"
    & skf18("3","1","10","2","3","5","1") = "9"
    & skf18("3","1","10","2","3","6","1") = "9"
    & skf18("3","1","10","2","3","7","1") = "9"
    & skf18("3","1","10","2","3","8","1") = "9"
    & skf18("3","1","10","2","3","9","1") = "9"
    & skf18("3","1","10","2","3","10","1") = "9"
    & skf18("3","1","10","2","4","1","1") = "9"
    & skf18("3","1","10","2","4","2","1") = "9"
    & skf18("3","1","10","2","4","3","1") = "9"
    & skf18("3","1","10","2","4","4","1") = "9"
    & skf18("3","1","10","2","4","5","1") = "9"
    & skf18("3","1","10","2","4","6","1") = "9"
    & skf18("3","1","10","2","4","7","1") = "9"
    & skf18("3","1","10","2","4","8","1") = "9"
    & skf18("3","1","10","2","4","9","1") = "9"
    & skf18("3","1","10","2","4","10","1") = "9"
    & skf18("3","1","10","2","5","1","1") = "9"
    & skf18("3","1","10","2","5","2","1") = "9"
    & skf18("3","1","10","2","5","3","1") = "9"
    & skf18("3","1","10","2","5","4","1") = "9"
    & skf18("3","1","10","2","5","5","1") = "9"
    & skf18("3","1","10","2","5","6","1") = "9"
    & skf18("3","1","10","2","5","7","1") = "9"
    & skf18("3","1","10","2","5","8","1") = "9"
    & skf18("3","1","10","2","5","9","1") = "9"
    & skf18("3","1","10","2","5","10","1") = "9"
    & skf18("3","1","10","2","6","1","1") = "9"
    & skf18("3","1","10","2","6","2","1") = "9"
    & skf18("3","1","10","2","6","3","1") = "9"
    & skf18("3","1","10","2","6","4","1") = "9"
    & skf18("3","1","10","2","6","5","1") = "9"
    & skf18("3","1","10","2","6","6","1") = "9"
    & skf18("3","1","10","2","6","7","1") = "9"
    & skf18("3","1","10","2","6","8","1") = "9"
    & skf18("3","1","10","2","6","9","1") = "9"
    & skf18("3","1","10","2","6","10","1") = "9"
    & skf18("3","1","10","2","7","1","1") = "9"
    & skf18("3","1","10","2","7","2","1") = "9"
    & skf18("3","1","10","2","7","3","1") = "9"
    & skf18("3","1","10","2","7","4","1") = "9"
    & skf18("3","1","10","2","7","5","1") = "9"
    & skf18("3","1","10","2","7","6","1") = "9"
    & skf18("3","1","10","2","7","7","1") = "9"
    & skf18("3","1","10","2","7","8","1") = "9"
    & skf18("3","1","10","2","7","9","1") = "9"
    & skf18("3","1","10","2","7","10","1") = "9"
    & skf18("3","1","10","2","8","1","1") = "9"
    & skf18("3","1","10","2","8","2","1") = "9"
    & skf18("3","1","10","2","8","3","1") = "9"
    & skf18("3","1","10","2","8","4","1") = "9"
    & skf18("3","1","10","2","8","5","1") = "9"
    & skf18("3","1","10","2","8","6","1") = "9"
    & skf18("3","1","10","2","8","7","1") = "9"
    & skf18("3","1","10","2","8","8","1") = "9"
    & skf18("3","1","10","2","8","9","1") = "9"
    & skf18("3","1","10","2","8","10","1") = "9"
    & skf18("3","1","10","2","9","1","1") = "9"
    & skf18("3","1","10","2","9","2","1") = "9"
    & skf18("3","1","10","2","9","3","1") = "9"
    & skf18("3","1","10","2","9","4","1") = "9"
    & skf18("3","1","10","2","9","5","1") = "9"
    & skf18("3","1","10","2","9","6","1") = "9"
    & skf18("3","1","10","2","9","7","1") = "9"
    & skf18("3","1","10","2","9","8","1") = "9"
    & skf18("3","1","10","2","9","9","1") = "9"
    & skf18("3","1","10","2","9","10","1") = "9"
    & skf18("3","1","10","2","10","1","1") = "9"
    & skf18("3","1","10","2","10","2","1") = "9"
    & skf18("3","1","10","2","10","3","1") = "9"
    & skf18("3","1","10","2","10","4","1") = "9"
    & skf18("3","1","10","2","10","5","1") = "9"
    & skf18("3","1","10","2","10","6","1") = "9"
    & skf18("3","1","10","2","10","7","1") = "9"
    & skf18("3","1","10","2","10","8","1") = "9"
    & skf18("3","1","10","2","10","9","1") = "9"
    & skf18("3","1","10","2","10","10","1") = "9"
    & skf18("3","1","10","3","1","1","1") = "9"
    & skf18("3","1","10","3","1","2","1") = "9"
    & skf18("3","1","10","3","1","3","1") = "9"
    & skf18("3","1","10","3","1","4","1") = "9"
    & skf18("3","1","10","3","1","5","1") = "9"
    & skf18("3","1","10","3","1","6","1") = "9"
    & skf18("3","1","10","3","1","7","1") = "9"
    & skf18("3","1","10","3","1","8","1") = "9"
    & skf18("3","1","10","3","1","9","1") = "9"
    & skf18("3","1","10","3","1","10","1") = "9"
    & skf18("3","1","10","3","2","1","1") = "9"
    & skf18("3","1","10","3","2","2","1") = "9"
    & skf18("3","1","10","3","2","3","1") = "9"
    & skf18("3","1","10","3","2","4","1") = "9"
    & skf18("3","1","10","3","2","5","1") = "9"
    & skf18("3","1","10","3","2","6","1") = "9"
    & skf18("3","1","10","3","2","7","1") = "9"
    & skf18("3","1","10","3","2","8","1") = "9"
    & skf18("3","1","10","3","2","9","1") = "9"
    & skf18("3","1","10","3","2","10","1") = "9"
    & skf18("3","1","10","3","3","1","1") = "9"
    & skf18("3","1","10","3","3","2","1") = "9"
    & skf18("3","1","10","3","3","3","1") = "9"
    & skf18("3","1","10","3","3","4","1") = "9"
    & skf18("3","1","10","3","3","5","1") = "9"
    & skf18("3","1","10","3","3","6","1") = "9"
    & skf18("3","1","10","3","3","7","1") = "9"
    & skf18("3","1","10","3","3","8","1") = "9"
    & skf18("3","1","10","3","3","9","1") = "9"
    & skf18("3","1","10","3","3","10","1") = "9"
    & skf18("3","1","10","3","4","1","1") = "9"
    & skf18("3","1","10","3","4","2","1") = "9"
    & skf18("3","1","10","3","4","3","1") = "9"
    & skf18("3","1","10","3","4","4","1") = "9"
    & skf18("3","1","10","3","4","5","1") = "9"
    & skf18("3","1","10","3","4","6","1") = "9"
    & skf18("3","1","10","3","4","7","1") = "9"
    & skf18("3","1","10","3","4","8","1") = "9"
    & skf18("3","1","10","3","4","9","1") = "9"
    & skf18("3","1","10","3","4","10","1") = "9"
    & skf18("3","1","10","3","5","1","1") = "9"
    & skf18("3","1","10","3","5","2","1") = "9"
    & skf18("3","1","10","3","5","3","1") = "9"
    & skf18("3","1","10","3","5","4","1") = "9"
    & skf18("3","1","10","3","5","5","1") = "9"
    & skf18("3","1","10","3","5","6","1") = "9"
    & skf18("3","1","10","3","5","7","1") = "9"
    & skf18("3","1","10","3","5","8","1") = "9"
    & skf18("3","1","10","3","5","9","1") = "9"
    & skf18("3","1","10","3","5","10","1") = "9"
    & skf18("3","1","10","3","6","1","1") = "9"
    & skf18("3","1","10","3","6","2","1") = "9"
    & skf18("3","1","10","3","6","3","1") = "9"
    & skf18("3","1","10","3","6","4","1") = "9"
    & skf18("3","1","10","3","6","5","1") = "9"
    & skf18("3","1","10","3","6","6","1") = "9"
    & skf18("3","1","10","3","6","7","1") = "9"
    & skf18("3","1","10","3","6","8","1") = "9"
    & skf18("3","1","10","3","6","9","1") = "9"
    & skf18("3","1","10","3","6","10","1") = "9"
    & skf18("3","1","10","3","7","1","1") = "9"
    & skf18("3","1","10","3","7","2","1") = "9"
    & skf18("3","1","10","3","7","3","1") = "9"
    & skf18("3","1","10","3","7","4","1") = "9"
    & skf18("3","1","10","3","7","5","1") = "9"
    & skf18("3","1","10","3","7","6","1") = "9"
    & skf18("3","1","10","3","7","7","1") = "9"
    & skf18("3","1","10","3","7","8","1") = "9"
    & skf18("3","1","10","3","7","9","1") = "9"
    & skf18("3","1","10","3","7","10","1") = "9"
    & skf18("3","1","10","3","8","1","1") = "9"
    & skf18("3","1","10","3","8","2","1") = "9"
    & skf18("3","1","10","3","8","3","1") = "9"
    & skf18("3","1","10","3","8","4","1") = "9"
    & skf18("3","1","10","3","8","5","1") = "9"
    & skf18("3","1","10","3","8","6","1") = "9"
    & skf18("3","1","10","3","8","7","1") = "9"
    & skf18("3","1","10","3","8","8","1") = "9"
    & skf18("3","1","10","3","8","9","1") = "9"
    & skf18("3","1","10","3","8","10","1") = "9"
    & skf18("3","1","10","3","9","1","1") = "9"
    & skf18("3","1","10","3","9","2","1") = "9"
    & skf18("3","1","10","3","9","3","1") = "9"
    & skf18("3","1","10","3","9","4","1") = "9"
    & skf18("3","1","10","3","9","5","1") = "9"
    & skf18("3","1","10","3","9","6","1") = "9"
    & skf18("3","1","10","3","9","7","1") = "9"
    & skf18("3","1","10","3","9","8","1") = "9"
    & skf18("3","1","10","3","9","9","1") = "9"
    & skf18("3","1","10","3","9","10","1") = "9"
    & skf18("3","1","10","3","10","1","1") = "9"
    & skf18("3","1","10","3","10","2","1") = "9"
    & skf18("3","1","10","3","10","3","1") = "9"
    & skf18("3","1","10","3","10","4","1") = "9"
    & skf18("3","1","10","3","10","5","1") = "9"
    & skf18("3","1","10","3","10","6","1") = "9"
    & skf18("3","1","10","3","10","7","1") = "9"
    & skf18("3","1","10","3","10","8","1") = "9"
    & skf18("3","1","10","3","10","9","1") = "9"
    & skf18("3","1","10","3","10","10","1") = "9"
    & skf18("3","1","10","4","1","1","1") = "9"
    & skf18("3","1","10","4","1","2","1") = "9"
    & skf18("3","1","10","4","1","3","1") = "9"
    & skf18("3","1","10","4","1","4","1") = "9"
    & skf18("3","1","10","4","1","5","1") = "9"
    & skf18("3","1","10","4","1","6","1") = "9"
    & skf18("3","1","10","4","1","7","1") = "9"
    & skf18("3","1","10","4","1","8","1") = "9"
    & skf18("3","1","10","4","1","9","1") = "9"
    & skf18("3","1","10","4","1","10","1") = "9"
    & skf18("3","1","10","4","2","1","1") = "9"
    & skf18("3","1","10","4","2","2","1") = "9"
    & skf18("3","1","10","4","2","3","1") = "9"
    & skf18("3","1","10","4","2","4","1") = "9"
    & skf18("3","1","10","4","2","5","1") = "9"
    & skf18("3","1","10","4","2","6","1") = "9"
    & skf18("3","1","10","4","2","7","1") = "9"
    & skf18("3","1","10","4","2","8","1") = "9"
    & skf18("3","1","10","4","2","9","1") = "9"
    & skf18("3","1","10","4","2","10","1") = "9"
    & skf18("3","1","10","4","3","1","1") = "9"
    & skf18("3","1","10","4","3","2","1") = "9"
    & skf18("3","1","10","4","3","3","1") = "9"
    & skf18("3","1","10","4","3","4","1") = "9"
    & skf18("3","1","10","4","3","5","1") = "9"
    & skf18("3","1","10","4","3","6","1") = "9"
    & skf18("3","1","10","4","3","7","1") = "9"
    & skf18("3","1","10","4","3","8","1") = "9"
    & skf18("3","1","10","4","3","9","1") = "9"
    & skf18("3","1","10","4","3","10","1") = "9"
    & skf18("3","1","10","4","4","1","1") = "9"
    & skf18("3","1","10","4","4","2","1") = "9"
    & skf18("3","1","10","4","4","3","1") = "9"
    & skf18("3","1","10","4","4","4","1") = "9"
    & skf18("3","1","10","4","4","5","1") = "9"
    & skf18("3","1","10","4","4","6","1") = "9"
    & skf18("3","1","10","4","4","7","1") = "9"
    & skf18("3","1","10","4","4","8","1") = "9"
    & skf18("3","1","10","4","4","9","1") = "9"
    & skf18("3","1","10","4","4","10","1") = "9"
    & skf18("3","1","10","4","5","1","1") = "9"
    & skf18("3","1","10","4","5","2","1") = "9"
    & skf18("3","1","10","4","5","3","1") = "9"
    & skf18("3","1","10","4","5","4","1") = "9"
    & skf18("3","1","10","4","5","5","1") = "9"
    & skf18("3","1","10","4","5","6","1") = "9"
    & skf18("3","1","10","4","5","7","1") = "9"
    & skf18("3","1","10","4","5","8","1") = "9"
    & skf18("3","1","10","4","5","9","1") = "9"
    & skf18("3","1","10","4","5","10","1") = "9"
    & skf18("3","1","10","4","6","1","1") = "9"
    & skf18("3","1","10","4","6","2","1") = "9"
    & skf18("3","1","10","4","6","3","1") = "9"
    & skf18("3","1","10","4","6","4","1") = "9"
    & skf18("3","1","10","4","6","5","1") = "9"
    & skf18("3","1","10","4","6","6","1") = "9"
    & skf18("3","1","10","4","6","7","1") = "9"
    & skf18("3","1","10","4","6","8","1") = "9"
    & skf18("3","1","10","4","6","9","1") = "9"
    & skf18("3","1","10","4","6","10","1") = "9"
    & skf18("3","1","10","4","7","1","1") = "9"
    & skf18("3","1","10","4","7","2","1") = "9"
    & skf18("3","1","10","4","7","3","1") = "9"
    & skf18("3","1","10","4","7","4","1") = "9"
    & skf18("3","1","10","4","7","5","1") = "9"
    & skf18("3","1","10","4","7","6","1") = "9"
    & skf18("3","1","10","4","7","7","1") = "9"
    & skf18("3","1","10","4","7","8","1") = "9"
    & skf18("3","1","10","4","7","9","1") = "9"
    & skf18("3","1","10","4","7","10","1") = "9"
    & skf18("3","1","10","4","8","1","1") = "9"
    & skf18("3","1","10","4","8","2","1") = "9"
    & skf18("3","1","10","4","8","3","1") = "9"
    & skf18("3","1","10","4","8","4","1") = "9"
    & skf18("3","1","10","4","8","5","1") = "9"
    & skf18("3","1","10","4","8","6","1") = "9"
    & skf18("3","1","10","4","8","7","1") = "9"
    & skf18("3","1","10","4","8","8","1") = "9"
    & skf18("3","1","10","4","8","9","1") = "9"
    & skf18("3","1","10","4","8","10","1") = "9"
    & skf18("3","1","10","4","9","1","1") = "9"
    & skf18("3","1","10","4","9","2","1") = "9"
    & skf18("3","1","10","4","9","3","1") = "9"
    & skf18("3","1","10","4","9","4","1") = "9"
    & skf18("3","1","10","4","9","5","1") = "9"
    & skf18("3","1","10","4","9","6","1") = "9"
    & skf18("3","1","10","4","9","7","1") = "9"
    & skf18("3","1","10","4","9","8","1") = "9"
    & skf18("3","1","10","4","9","9","1") = "9"
    & skf18("3","1","10","4","9","10","1") = "9"
    & skf18("3","1","10","4","10","1","1") = "9"
    & skf18("3","1","10","4","10","2","1") = "9"
    & skf18("3","1","10","4","10","3","1") = "9"
    & skf18("3","1","10","4","10","4","1") = "9"
    & skf18("3","1","10","4","10","5","1") = "9"
    & skf18("3","1","10","4","10","6","1") = "9"
    & skf18("3","1","10","4","10","7","1") = "9"
    & skf18("3","1","10","4","10","8","1") = "9"
    & skf18("3","1","10","4","10","9","1") = "9"
    & skf18("3","1","10","4","10","10","1") = "9"
    & skf18("3","1","10","5","1","1","1") = "9"
    & skf18("3","1","10","5","1","2","1") = "9"
    & skf18("3","1","10","5","1","3","1") = "9"
    & skf18("3","1","10","5","1","4","1") = "9"
    & skf18("3","1","10","5","1","5","1") = "9"
    & skf18("3","1","10","5","1","6","1") = "9"
    & skf18("3","1","10","5","1","7","1") = "9"
    & skf18("3","1","10","5","1","8","1") = "9"
    & skf18("3","1","10","5","1","9","1") = "9"
    & skf18("3","1","10","5","1","10","1") = "9"
    & skf18("3","1","10","5","2","1","1") = "9"
    & skf18("3","1","10","5","2","2","1") = "9"
    & skf18("3","1","10","5","2","3","1") = "9"
    & skf18("3","1","10","5","2","4","1") = "9"
    & skf18("3","1","10","5","2","5","1") = "9"
    & skf18("3","1","10","5","2","6","1") = "9"
    & skf18("3","1","10","5","2","7","1") = "9"
    & skf18("3","1","10","5","2","8","1") = "9"
    & skf18("3","1","10","5","2","9","1") = "9"
    & skf18("3","1","10","5","2","10","1") = "9"
    & skf18("3","1","10","5","3","1","1") = "9"
    & skf18("3","1","10","5","3","2","1") = "9"
    & skf18("3","1","10","5","3","3","1") = "9"
    & skf18("3","1","10","5","3","4","1") = "9"
    & skf18("3","1","10","5","3","5","1") = "9"
    & skf18("3","1","10","5","3","6","1") = "9"
    & skf18("3","1","10","5","3","7","1") = "9"
    & skf18("3","1","10","5","3","8","1") = "9"
    & skf18("3","1","10","5","3","9","1") = "9"
    & skf18("3","1","10","5","3","10","1") = "9"
    & skf18("3","1","10","5","4","1","1") = "9"
    & skf18("3","1","10","5","4","2","1") = "9"
    & skf18("3","1","10","5","4","3","1") = "9"
    & skf18("3","1","10","5","4","4","1") = "9"
    & skf18("3","1","10","5","4","5","1") = "9"
    & skf18("3","1","10","5","4","6","1") = "9"
    & skf18("3","1","10","5","4","7","1") = "9"
    & skf18("3","1","10","5","4","8","1") = "9"
    & skf18("3","1","10","5","4","9","1") = "9"
    & skf18("3","1","10","5","4","10","1") = "9"
    & skf18("3","1","10","5","5","1","1") = "9"
    & skf18("3","1","10","5","5","2","1") = "9"
    & skf18("3","1","10","5","5","3","1") = "9"
    & skf18("3","1","10","5","5","4","1") = "9"
    & skf18("3","1","10","5","5","5","1") = "9"
    & skf18("3","1","10","5","5","6","1") = "9"
    & skf18("3","1","10","5","5","7","1") = "9"
    & skf18("3","1","10","5","5","8","1") = "9"
    & skf18("3","1","10","5","5","9","1") = "9"
    & skf18("3","1","10","5","5","10","1") = "9"
    & skf18("3","1","10","5","6","1","1") = "9"
    & skf18("3","1","10","5","6","2","1") = "9"
    & skf18("3","1","10","5","6","3","1") = "9"
    & skf18("3","1","10","5","6","4","1") = "9"
    & skf18("3","1","10","5","6","5","1") = "9"
    & skf18("3","1","10","5","6","6","1") = "9"
    & skf18("3","1","10","5","6","7","1") = "9"
    & skf18("3","1","10","5","6","8","1") = "9"
    & skf18("3","1","10","5","6","9","1") = "9"
    & skf18("3","1","10","5","6","10","1") = "9"
    & skf18("3","1","10","5","7","1","1") = "9"
    & skf18("3","1","10","5","7","2","1") = "9"
    & skf18("3","1","10","5","7","3","1") = "9"
    & skf18("3","1","10","5","7","4","1") = "9"
    & skf18("3","1","10","5","7","5","1") = "9"
    & skf18("3","1","10","5","7","6","1") = "9"
    & skf18("3","1","10","5","7","7","1") = "9"
    & skf18("3","1","10","5","7","8","1") = "9"
    & skf18("3","1","10","5","7","9","1") = "9"
    & skf18("3","1","10","5","7","10","1") = "9"
    & skf18("3","1","10","5","8","1","1") = "9"
    & skf18("3","1","10","5","8","2","1") = "9"
    & skf18("3","1","10","5","8","3","1") = "9"
    & skf18("3","1","10","5","8","4","1") = "9"
    & skf18("3","1","10","5","8","5","1") = "9"
    & skf18("3","1","10","5","8","6","1") = "9"
    & skf18("3","1","10","5","8","7","1") = "9"
    & skf18("3","1","10","5","8","8","1") = "9"
    & skf18("3","1","10","5","8","9","1") = "9"
    & skf18("3","1","10","5","8","10","1") = "9"
    & skf18("3","1","10","5","9","1","1") = "9"
    & skf18("3","1","10","5","9","2","1") = "9"
    & skf18("3","1","10","5","9","3","1") = "9"
    & skf18("3","1","10","5","9","4","1") = "9"
    & skf18("3","1","10","5","9","5","1") = "9"
    & skf18("3","1","10","5","9","6","1") = "9"
    & skf18("3","1","10","5","9","7","1") = "9"
    & skf18("3","1","10","5","9","8","1") = "9"
    & skf18("3","1","10","5","9","9","1") = "9"
    & skf18("3","1","10","5","9","10","1") = "9"
    & skf18("3","1","10","5","10","1","1") = "9"
    & skf18("3","1","10","5","10","2","1") = "9"
    & skf18("3","1","10","5","10","3","1") = "9"
    & skf18("3","1","10","5","10","4","1") = "9"
    & skf18("3","1","10","5","10","5","1") = "9"
    & skf18("3","1","10","5","10","6","1") = "9"
    & skf18("3","1","10","5","10","7","1") = "9"
    & skf18("3","1","10","5","10","8","1") = "9"
    & skf18("3","1","10","5","10","9","1") = "9"
    & skf18("3","1","10","5","10","10","1") = "9"
    & skf18("3","1","10","6","1","1","1") = "9"
    & skf18("3","1","10","6","1","2","1") = "9"
    & skf18("3","1","10","6","1","3","1") = "9"
    & skf18("3","1","10","6","1","4","1") = "9"
    & skf18("3","1","10","6","1","5","1") = "9"
    & skf18("3","1","10","6","1","6","1") = "9"
    & skf18("3","1","10","6","1","7","1") = "9"
    & skf18("3","1","10","6","1","8","1") = "9"
    & skf18("3","1","10","6","1","9","1") = "9"
    & skf18("3","1","10","6","1","10","1") = "9"
    & skf18("3","1","10","6","2","1","1") = "9"
    & skf18("3","1","10","6","2","2","1") = "9"
    & skf18("3","1","10","6","2","3","1") = "9"
    & skf18("3","1","10","6","2","4","1") = "9"
    & skf18("3","1","10","6","2","5","1") = "9"
    & skf18("3","1","10","6","2","6","1") = "9"
    & skf18("3","1","10","6","2","7","1") = "9"
    & skf18("3","1","10","6","2","8","1") = "9"
    & skf18("3","1","10","6","2","9","1") = "9"
    & skf18("3","1","10","6","2","10","1") = "9"
    & skf18("3","1","10","6","3","1","1") = "9"
    & skf18("3","1","10","6","3","2","1") = "9"
    & skf18("3","1","10","6","3","3","1") = "9"
    & skf18("3","1","10","6","3","4","1") = "9"
    & skf18("3","1","10","6","3","5","1") = "9"
    & skf18("3","1","10","6","3","6","1") = "9"
    & skf18("3","1","10","6","3","7","1") = "9"
    & skf18("3","1","10","6","3","8","1") = "9"
    & skf18("3","1","10","6","3","9","1") = "9"
    & skf18("3","1","10","6","3","10","1") = "9"
    & skf18("3","1","10","6","4","1","1") = "9"
    & skf18("3","1","10","6","4","2","1") = "9"
    & skf18("3","1","10","6","4","3","1") = "9"
    & skf18("3","1","10","6","4","4","1") = "9"
    & skf18("3","1","10","6","4","5","1") = "9"
    & skf18("3","1","10","6","4","6","1") = "9"
    & skf18("3","1","10","6","4","7","1") = "9"
    & skf18("3","1","10","6","4","8","1") = "9"
    & skf18("3","1","10","6","4","9","1") = "9"
    & skf18("3","1","10","6","4","10","1") = "9"
    & skf18("3","1","10","6","5","1","1") = "9"
    & skf18("3","1","10","6","5","2","1") = "9"
    & skf18("3","1","10","6","5","3","1") = "9"
    & skf18("3","1","10","6","5","4","1") = "9"
    & skf18("3","1","10","6","5","5","1") = "9"
    & skf18("3","1","10","6","5","6","1") = "9"
    & skf18("3","1","10","6","5","7","1") = "9"
    & skf18("3","1","10","6","5","8","1") = "9"
    & skf18("3","1","10","6","5","9","1") = "9"
    & skf18("3","1","10","6","5","10","1") = "9"
    & skf18("3","1","10","6","6","1","1") = "9"
    & skf18("3","1","10","6","6","2","1") = "9"
    & skf18("3","1","10","6","6","3","1") = "9"
    & skf18("3","1","10","6","6","4","1") = "9"
    & skf18("3","1","10","6","6","5","1") = "9"
    & skf18("3","1","10","6","6","6","1") = "9"
    & skf18("3","1","10","6","6","7","1") = "9"
    & skf18("3","1","10","6","6","8","1") = "9"
    & skf18("3","1","10","6","6","9","1") = "9"
    & skf18("3","1","10","6","6","10","1") = "9"
    & skf18("3","1","10","6","7","1","1") = "9"
    & skf18("3","1","10","6","7","2","1") = "9"
    & skf18("3","1","10","6","7","3","1") = "9"
    & skf18("3","1","10","6","7","4","1") = "9"
    & skf18("3","1","10","6","7","5","1") = "9"
    & skf18("3","1","10","6","7","6","1") = "9"
    & skf18("3","1","10","6","7","7","1") = "9"
    & skf18("3","1","10","6","7","8","1") = "9"
    & skf18("3","1","10","6","7","9","1") = "9"
    & skf18("3","1","10","6","7","10","1") = "9"
    & skf18("3","1","10","6","8","1","1") = "9"
    & skf18("3","1","10","6","8","2","1") = "9"
    & skf18("3","1","10","6","8","3","1") = "9"
    & skf18("3","1","10","6","8","4","1") = "9"
    & skf18("3","1","10","6","8","5","1") = "9"
    & skf18("3","1","10","6","8","6","1") = "9"
    & skf18("3","1","10","6","8","7","1") = "9"
    & skf18("3","1","10","6","8","8","1") = "9"
    & skf18("3","1","10","6","8","9","1") = "9"
    & skf18("3","1","10","6","8","10","1") = "9"
    & skf18("3","1","10","6","9","1","1") = "9"
    & skf18("3","1","10","6","9","2","1") = "9"
    & skf18("3","1","10","6","9","3","1") = "9"
    & skf18("3","1","10","6","9","4","1") = "9"
    & skf18("3","1","10","6","9","5","1") = "9"
    & skf18("3","1","10","6","9","6","1") = "9"
    & skf18("3","1","10","6","9","7","1") = "9"
    & skf18("3","1","10","6","9","8","1") = "9"
    & skf18("3","1","10","6","9","9","1") = "9"
    & skf18("3","1","10","6","9","10","1") = "9"
    & skf18("3","1","10","6","10","1","1") = "9"
    & skf18("3","1","10","6","10","2","1") = "9"
    & skf18("3","1","10","6","10","3","1") = "9"
    & skf18("3","1","10","6","10","4","1") = "9"
    & skf18("3","1","10","6","10","5","1") = "9"
    & skf18("3","1","10","6","10","6","1") = "9"
    & skf18("3","1","10","6","10","7","1") = "9"
    & skf18("3","1","10","6","10","8","1") = "9"
    & skf18("3","1","10","6","10","9","1") = "9"
    & skf18("3","1","10","6","10","10","1") = "9"
    & skf18("3","1","10","7","1","1","1") = "9"
    & skf18("3","1","10","7","1","2","1") = "9"
    & skf18("3","1","10","7","1","3","1") = "9"
    & skf18("3","1","10","7","1","4","1") = "9"
    & skf18("3","1","10","7","1","5","1") = "9"
    & skf18("3","1","10","7","1","6","1") = "9"
    & skf18("3","1","10","7","1","7","1") = "9"
    & skf18("3","1","10","7","1","8","1") = "9"
    & skf18("3","1","10","7","1","9","1") = "9"
    & skf18("3","1","10","7","1","10","1") = "9"
    & skf18("3","1","10","7","2","1","1") = "9"
    & skf18("3","1","10","7","2","2","1") = "9"
    & skf18("3","1","10","7","2","3","1") = "9"
    & skf18("3","1","10","7","2","4","1") = "9"
    & skf18("3","1","10","7","2","5","1") = "9"
    & skf18("3","1","10","7","2","6","1") = "9"
    & skf18("3","1","10","7","2","7","1") = "9"
    & skf18("3","1","10","7","2","8","1") = "9"
    & skf18("3","1","10","7","2","9","1") = "9"
    & skf18("3","1","10","7","2","10","1") = "9"
    & skf18("3","1","10","7","3","1","1") = "9"
    & skf18("3","1","10","7","3","2","1") = "9"
    & skf18("3","1","10","7","3","3","1") = "9"
    & skf18("3","1","10","7","3","4","1") = "9"
    & skf18("3","1","10","7","3","5","1") = "9"
    & skf18("3","1","10","7","3","6","1") = "9"
    & skf18("3","1","10","7","3","7","1") = "9"
    & skf18("3","1","10","7","3","8","1") = "9"
    & skf18("3","1","10","7","3","9","1") = "9"
    & skf18("3","1","10","7","3","10","1") = "9"
    & skf18("3","1","10","7","4","1","1") = "9"
    & skf18("3","1","10","7","4","2","1") = "9"
    & skf18("3","1","10","7","4","3","1") = "9"
    & skf18("3","1","10","7","4","4","1") = "9"
    & skf18("3","1","10","7","4","5","1") = "9"
    & skf18("3","1","10","7","4","6","1") = "9"
    & skf18("3","1","10","7","4","7","1") = "9"
    & skf18("3","1","10","7","4","8","1") = "9"
    & skf18("3","1","10","7","4","9","1") = "9"
    & skf18("3","1","10","7","4","10","1") = "9"
    & skf18("3","1","10","7","5","1","1") = "9"
    & skf18("3","1","10","7","5","2","1") = "9"
    & skf18("3","1","10","7","5","3","1") = "9"
    & skf18("3","1","10","7","5","4","1") = "9"
    & skf18("3","1","10","7","5","5","1") = "9"
    & skf18("3","1","10","7","5","6","1") = "9"
    & skf18("3","1","10","7","5","7","1") = "9"
    & skf18("3","1","10","7","5","8","1") = "9"
    & skf18("3","1","10","7","5","9","1") = "9"
    & skf18("3","1","10","7","5","10","1") = "9"
    & skf18("3","1","10","7","6","1","1") = "9"
    & skf18("3","1","10","7","6","2","1") = "9"
    & skf18("3","1","10","7","6","3","1") = "9"
    & skf18("3","1","10","7","6","4","1") = "9"
    & skf18("3","1","10","7","6","5","1") = "9"
    & skf18("3","1","10","7","6","6","1") = "9"
    & skf18("3","1","10","7","6","7","1") = "9"
    & skf18("3","1","10","7","6","8","1") = "9"
    & skf18("3","1","10","7","6","9","1") = "9"
    & skf18("3","1","10","7","6","10","1") = "9"
    & skf18("3","1","10","7","7","1","1") = "9"
    & skf18("3","1","10","7","7","2","1") = "9"
    & skf18("3","1","10","7","7","3","1") = "9"
    & skf18("3","1","10","7","7","4","1") = "9"
    & skf18("3","1","10","7","7","5","1") = "9"
    & skf18("3","1","10","7","7","6","1") = "9"
    & skf18("3","1","10","7","7","7","1") = "9"
    & skf18("3","1","10","7","7","8","1") = "9"
    & skf18("3","1","10","7","7","9","1") = "9"
    & skf18("3","1","10","7","7","10","1") = "9"
    & skf18("3","1","10","7","8","1","1") = "9"
    & skf18("3","1","10","7","8","2","1") = "9"
    & skf18("3","1","10","7","8","3","1") = "9"
    & skf18("3","1","10","7","8","4","1") = "9"
    & skf18("3","1","10","7","8","5","1") = "9"
    & skf18("3","1","10","7","8","6","1") = "9"
    & skf18("3","1","10","7","8","7","1") = "9"
    & skf18("3","1","10","7","8","8","1") = "9"
    & skf18("3","1","10","7","8","9","1") = "9"
    & skf18("3","1","10","7","8","10","1") = "9"
    & skf18("3","1","10","7","9","1","1") = "9"
    & skf18("3","1","10","7","9","2","1") = "9"
    & skf18("3","1","10","7","9","3","1") = "9"
    & skf18("3","1","10","7","9","4","1") = "9"
    & skf18("3","1","10","7","9","5","1") = "9"
    & skf18("3","1","10","7","9","6","1") = "9"
    & skf18("3","1","10","7","9","7","1") = "9"
    & skf18("3","1","10","7","9","8","1") = "9"
    & skf18("3","1","10","7","9","9","1") = "9"
    & skf18("3","1","10","7","9","10","1") = "9"
    & skf18("3","1","10","7","10","1","1") = "9"
    & skf18("3","1","10","7","10","2","1") = "9"
    & skf18("3","1","10","7","10","3","1") = "9"
    & skf18("3","1","10","7","10","4","1") = "9"
    & skf18("3","1","10","7","10","5","1") = "9"
    & skf18("3","1","10","7","10","6","1") = "9"
    & skf18("3","1","10","7","10","7","1") = "9"
    & skf18("3","1","10","7","10","8","1") = "9"
    & skf18("3","1","10","7","10","9","1") = "9"
    & skf18("3","1","10","7","10","10","1") = "9"
    & skf18("3","1","10","8","1","1","1") = "9"
    & skf18("3","1","10","8","1","2","1") = "9"
    & skf18("3","1","10","8","1","3","1") = "9"
    & skf18("3","1","10","8","1","4","1") = "9"
    & skf18("3","1","10","8","1","5","1") = "9"
    & skf18("3","1","10","8","1","6","1") = "9"
    & skf18("3","1","10","8","1","7","1") = "9"
    & skf18("3","1","10","8","1","8","1") = "9"
    & skf18("3","1","10","8","1","9","1") = "9"
    & skf18("3","1","10","8","1","10","1") = "9"
    & skf18("3","1","10","8","2","1","1") = "9"
    & skf18("3","1","10","8","2","2","1") = "9"
    & skf18("3","1","10","8","2","3","1") = "9"
    & skf18("3","1","10","8","2","4","1") = "9"
    & skf18("3","1","10","8","2","5","1") = "9"
    & skf18("3","1","10","8","2","6","1") = "9"
    & skf18("3","1","10","8","2","7","1") = "9"
    & skf18("3","1","10","8","2","8","1") = "9"
    & skf18("3","1","10","8","2","9","1") = "9"
    & skf18("3","1","10","8","2","10","1") = "9"
    & skf18("3","1","10","8","3","1","1") = "9"
    & skf18("3","1","10","8","3","2","1") = "9"
    & skf18("3","1","10","8","3","3","1") = "9"
    & skf18("3","1","10","8","3","4","1") = "9"
    & skf18("3","1","10","8","3","5","1") = "9"
    & skf18("3","1","10","8","3","6","1") = "9"
    & skf18("3","1","10","8","3","7","1") = "9"
    & skf18("3","1","10","8","3","8","1") = "9"
    & skf18("3","1","10","8","3","9","1") = "9"
    & skf18("3","1","10","8","3","10","1") = "9"
    & skf18("3","1","10","8","4","1","1") = "9"
    & skf18("3","1","10","8","4","2","1") = "9"
    & skf18("3","1","10","8","4","3","1") = "9"
    & skf18("3","1","10","8","4","4","1") = "9"
    & skf18("3","1","10","8","4","5","1") = "9"
    & skf18("3","1","10","8","4","6","1") = "9"
    & skf18("3","1","10","8","4","7","1") = "9"
    & skf18("3","1","10","8","4","8","1") = "9"
    & skf18("3","1","10","8","4","9","1") = "9"
    & skf18("3","1","10","8","4","10","1") = "9"
    & skf18("3","1","10","8","5","1","1") = "9"
    & skf18("3","1","10","8","5","2","1") = "9"
    & skf18("3","1","10","8","5","3","1") = "9"
    & skf18("3","1","10","8","5","4","1") = "9"
    & skf18("3","1","10","8","5","5","1") = "9"
    & skf18("3","1","10","8","5","6","1") = "9"
    & skf18("3","1","10","8","5","7","1") = "9"
    & skf18("3","1","10","8","5","8","1") = "9"
    & skf18("3","1","10","8","5","9","1") = "9"
    & skf18("3","1","10","8","5","10","1") = "9"
    & skf18("3","1","10","8","6","1","1") = "9"
    & skf18("3","1","10","8","6","2","1") = "9"
    & skf18("3","1","10","8","6","3","1") = "9"
    & skf18("3","1","10","8","6","4","1") = "9"
    & skf18("3","1","10","8","6","5","1") = "9"
    & skf18("3","1","10","8","6","6","1") = "9"
    & skf18("3","1","10","8","6","7","1") = "9"
    & skf18("3","1","10","8","6","8","1") = "9"
    & skf18("3","1","10","8","6","9","1") = "9"
    & skf18("3","1","10","8","6","10","1") = "9"
    & skf18("3","1","10","8","7","1","1") = "9"
    & skf18("3","1","10","8","7","2","1") = "9"
    & skf18("3","1","10","8","7","3","1") = "9"
    & skf18("3","1","10","8","7","4","1") = "9"
    & skf18("3","1","10","8","7","5","1") = "9"
    & skf18("3","1","10","8","7","6","1") = "9"
    & skf18("3","1","10","8","7","7","1") = "9"
    & skf18("3","1","10","8","7","8","1") = "9"
    & skf18("3","1","10","8","7","9","1") = "9"
    & skf18("3","1","10","8","7","10","1") = "9"
    & skf18("3","1","10","8","8","1","1") = "9"
    & skf18("3","1","10","8","8","2","1") = "9"
    & skf18("3","1","10","8","8","3","1") = "9"
    & skf18("3","1","10","8","8","4","1") = "9"
    & skf18("3","1","10","8","8","5","1") = "9"
    & skf18("3","1","10","8","8","6","1") = "9"
    & skf18("3","1","10","8","8","7","1") = "9"
    & skf18("3","1","10","8","8","8","1") = "9"
    & skf18("3","1","10","8","8","9","1") = "9"
    & skf18("3","1","10","8","8","10","1") = "9"
    & skf18("3","1","10","8","9","1","1") = "9"
    & skf18("3","1","10","8","9","2","1") = "9"
    & skf18("3","1","10","8","9","3","1") = "9"
    & skf18("3","1","10","8","9","4","1") = "9"
    & skf18("3","1","10","8","9","5","1") = "9"
    & skf18("3","1","10","8","9","6","1") = "9"
    & skf18("3","1","10","8","9","7","1") = "9"
    & skf18("3","1","10","8","9","8","1") = "9"
    & skf18("3","1","10","8","9","9","1") = "9"
    & skf18("3","1","10","8","9","10","1") = "9"
    & skf18("3","1","10","8","10","1","1") = "9"
    & skf18("3","1","10","8","10","2","1") = "9"
    & skf18("3","1","10","8","10","3","1") = "9"
    & skf18("3","1","10","8","10","4","1") = "9"
    & skf18("3","1","10","8","10","5","1") = "9"
    & skf18("3","1","10","8","10","6","1") = "9"
    & skf18("3","1","10","8","10","7","1") = "9"
    & skf18("3","1","10","8","10","8","1") = "9"
    & skf18("3","1","10","8","10","9","1") = "9"
    & skf18("3","1","10","8","10","10","1") = "9"
    & skf18("3","1","10","9","1","1","1") = "9"
    & skf18("3","1","10","9","1","2","1") = "9"
    & skf18("3","1","10","9","1","3","1") = "9"
    & skf18("3","1","10","9","1","4","1") = "9"
    & skf18("3","1","10","9","1","5","1") = "9"
    & skf18("3","1","10","9","1","6","1") = "9"
    & skf18("3","1","10","9","1","7","1") = "9"
    & skf18("3","1","10","9","1","8","1") = "9"
    & skf18("3","1","10","9","1","9","1") = "9"
    & skf18("3","1","10","9","1","10","1") = "9"
    & skf18("3","1","10","9","2","1","1") = "9"
    & skf18("3","1","10","9","2","2","1") = "9"
    & skf18("3","1","10","9","2","3","1") = "9"
    & skf18("3","1","10","9","2","4","1") = "9"
    & skf18("3","1","10","9","2","5","1") = "9"
    & skf18("3","1","10","9","2","6","1") = "9"
    & skf18("3","1","10","9","2","7","1") = "9"
    & skf18("3","1","10","9","2","8","1") = "9"
    & skf18("3","1","10","9","2","9","1") = "9"
    & skf18("3","1","10","9","2","10","1") = "9"
    & skf18("3","1","10","9","3","1","1") = "9"
    & skf18("3","1","10","9","3","2","1") = "9"
    & skf18("3","1","10","9","3","3","1") = "9"
    & skf18("3","1","10","9","3","4","1") = "9"
    & skf18("3","1","10","9","3","5","1") = "9"
    & skf18("3","1","10","9","3","6","1") = "9"
    & skf18("3","1","10","9","3","7","1") = "9"
    & skf18("3","1","10","9","3","8","1") = "9"
    & skf18("3","1","10","9","3","9","1") = "9"
    & skf18("3","1","10","9","3","10","1") = "9"
    & skf18("3","1","10","9","4","1","1") = "9"
    & skf18("3","1","10","9","4","2","1") = "9"
    & skf18("3","1","10","9","4","3","1") = "9"
    & skf18("3","1","10","9","4","4","1") = "9"
    & skf18("3","1","10","9","4","5","1") = "9"
    & skf18("3","1","10","9","4","6","1") = "9"
    & skf18("3","1","10","9","4","7","1") = "9"
    & skf18("3","1","10","9","4","8","1") = "9"
    & skf18("3","1","10","9","4","9","1") = "9"
    & skf18("3","1","10","9","4","10","1") = "9"
    & skf18("3","1","10","9","5","1","1") = "9"
    & skf18("3","1","10","9","5","2","1") = "9"
    & skf18("3","1","10","9","5","3","1") = "9"
    & skf18("3","1","10","9","5","4","1") = "9"
    & skf18("3","1","10","9","5","5","1") = "9"
    & skf18("3","1","10","9","5","6","1") = "9"
    & skf18("3","1","10","9","5","7","1") = "9"
    & skf18("3","1","10","9","5","8","1") = "9"
    & skf18("3","1","10","9","5","9","1") = "9"
    & skf18("3","1","10","9","5","10","1") = "9"
    & skf18("3","1","10","9","6","1","1") = "9"
    & skf18("3","1","10","9","6","2","1") = "9"
    & skf18("3","1","10","9","6","3","1") = "9"
    & skf18("3","1","10","9","6","4","1") = "9"
    & skf18("3","1","10","9","6","5","1") = "9"
    & skf18("3","1","10","9","6","6","1") = "9"
    & skf18("3","1","10","9","6","7","1") = "9"
    & skf18("3","1","10","9","6","8","1") = "9"
    & skf18("3","1","10","9","6","9","1") = "9"
    & skf18("3","1","10","9","6","10","1") = "9"
    & skf18("3","1","10","9","7","1","1") = "9"
    & skf18("3","1","10","9","7","2","1") = "9"
    & skf18("3","1","10","9","7","3","1") = "9"
    & skf18("3","1","10","9","7","4","1") = "9"
    & skf18("3","1","10","9","7","5","1") = "9"
    & skf18("3","1","10","9","7","6","1") = "9"
    & skf18("3","1","10","9","7","7","1") = "9"
    & skf18("3","1","10","9","7","8","1") = "9"
    & skf18("3","1","10","9","7","9","1") = "9"
    & skf18("3","1","10","9","7","10","1") = "9"
    & skf18("3","1","10","9","8","1","1") = "9"
    & skf18("3","1","10","9","8","2","1") = "9"
    & skf18("3","1","10","9","8","3","1") = "9"
    & skf18("3","1","10","9","8","4","1") = "9"
    & skf18("3","1","10","9","8","5","1") = "9"
    & skf18("3","1","10","9","8","6","1") = "9"
    & skf18("3","1","10","9","8","7","1") = "9"
    & skf18("3","1","10","9","8","8","1") = "9"
    & skf18("3","1","10","9","8","9","1") = "9"
    & skf18("3","1","10","9","8","10","1") = "9"
    & skf18("3","1","10","9","9","1","1") = "9"
    & skf18("3","1","10","9","9","2","1") = "9"
    & skf18("3","1","10","9","9","3","1") = "9"
    & skf18("3","1","10","9","9","4","1") = "9"
    & skf18("3","1","10","9","9","5","1") = "9"
    & skf18("3","1","10","9","9","6","1") = "9"
    & skf18("3","1","10","9","9","7","1") = "9"
    & skf18("3","1","10","9","9","8","1") = "9"
    & skf18("3","1","10","9","9","9","1") = "9"
    & skf18("3","1","10","9","9","10","1") = "9"
    & skf18("3","1","10","9","10","1","1") = "9"
    & skf18("3","1","10","9","10","2","1") = "9"
    & skf18("3","1","10","9","10","3","1") = "9"
    & skf18("3","1","10","9","10","4","1") = "9"
    & skf18("3","1","10","9","10","5","1") = "9"
    & skf18("3","1","10","9","10","6","1") = "9"
    & skf18("3","1","10","9","10","7","1") = "9"
    & skf18("3","1","10","9","10","8","1") = "9"
    & skf18("3","1","10","9","10","9","1") = "9"
    & skf18("3","1","10","9","10","10","1") = "9"
    & skf18("3","1","10","10","1","1","1") = "9"
    & skf18("3","1","10","10","1","2","1") = "9"
    & skf18("3","1","10","10","1","3","1") = "9"
    & skf18("3","1","10","10","1","4","1") = "9"
    & skf18("3","1","10","10","1","5","1") = "9"
    & skf18("3","1","10","10","1","6","1") = "9"
    & skf18("3","1","10","10","1","7","1") = "9"
    & skf18("3","1","10","10","1","8","1") = "9"
    & skf18("3","1","10","10","1","9","1") = "9"
    & skf18("3","1","10","10","1","10","1") = "9"
    & skf18("3","1","10","10","2","1","1") = "9"
    & skf18("3","1","10","10","2","2","1") = "9"
    & skf18("3","1","10","10","2","3","1") = "9"
    & skf18("3","1","10","10","2","4","1") = "9"
    & skf18("3","1","10","10","2","5","1") = "9"
    & skf18("3","1","10","10","2","6","1") = "9"
    & skf18("3","1","10","10","2","7","1") = "9"
    & skf18("3","1","10","10","2","8","1") = "9"
    & skf18("3","1","10","10","2","9","1") = "9"
    & skf18("3","1","10","10","2","10","1") = "9"
    & skf18("3","1","10","10","3","1","1") = "9"
    & skf18("3","1","10","10","3","2","1") = "9"
    & skf18("3","1","10","10","3","3","1") = "9"
    & skf18("3","1","10","10","3","4","1") = "9"
    & skf18("3","1","10","10","3","5","1") = "9"
    & skf18("3","1","10","10","3","6","1") = "9"
    & skf18("3","1","10","10","3","7","1") = "9"
    & skf18("3","1","10","10","3","8","1") = "9"
    & skf18("3","1","10","10","3","9","1") = "9"
    & skf18("3","1","10","10","3","10","1") = "9"
    & skf18("3","1","10","10","4","1","1") = "9"
    & skf18("3","1","10","10","4","2","1") = "9"
    & skf18("3","1","10","10","4","3","1") = "9"
    & skf18("3","1","10","10","4","4","1") = "9"
    & skf18("3","1","10","10","4","5","1") = "9"
    & skf18("3","1","10","10","4","6","1") = "9"
    & skf18("3","1","10","10","4","7","1") = "9"
    & skf18("3","1","10","10","4","8","1") = "9"
    & skf18("3","1","10","10","4","9","1") = "9"
    & skf18("3","1","10","10","4","10","1") = "9"
    & skf18("3","1","10","10","5","1","1") = "9"
    & skf18("3","1","10","10","5","2","1") = "9"
    & skf18("3","1","10","10","5","3","1") = "9"
    & skf18("3","1","10","10","5","4","1") = "9"
    & skf18("3","1","10","10","5","5","1") = "9"
    & skf18("3","1","10","10","5","6","1") = "9"
    & skf18("3","1","10","10","5","7","1") = "9"
    & skf18("3","1","10","10","5","8","1") = "9"
    & skf18("3","1","10","10","5","9","1") = "9"
    & skf18("3","1","10","10","5","10","1") = "9"
    & skf18("3","1","10","10","6","1","1") = "9"
    & skf18("3","1","10","10","6","2","1") = "9"
    & skf18("3","1","10","10","6","3","1") = "9"
    & skf18("3","1","10","10","6","4","1") = "9"
    & skf18("3","1","10","10","6","5","1") = "9"
    & skf18("3","1","10","10","6","6","1") = "9"
    & skf18("3","1","10","10","6","7","1") = "9"
    & skf18("3","1","10","10","6","8","1") = "9"
    & skf18("3","1","10","10","6","9","1") = "9"
    & skf18("3","1","10","10","6","10","1") = "9"
    & skf18("3","1","10","10","7","1","1") = "9"
    & skf18("3","1","10","10","7","2","1") = "9"
    & skf18("3","1","10","10","7","3","1") = "9"
    & skf18("3","1","10","10","7","4","1") = "9"
    & skf18("3","1","10","10","7","5","1") = "9"
    & skf18("3","1","10","10","7","6","1") = "9"
    & skf18("3","1","10","10","7","7","1") = "9"
    & skf18("3","1","10","10","7","8","1") = "9"
    & skf18("3","1","10","10","7","9","1") = "9"
    & skf18("3","1","10","10","7","10","1") = "9"
    & skf18("3","1","10","10","8","1","1") = "9"
    & skf18("3","1","10","10","8","2","1") = "9"
    & skf18("3","1","10","10","8","3","1") = "9"
    & skf18("3","1","10","10","8","4","1") = "9"
    & skf18("3","1","10","10","8","5","1") = "9"
    & skf18("3","1","10","10","8","6","1") = "9"
    & skf18("3","1","10","10","8","7","1") = "9"
    & skf18("3","1","10","10","8","8","1") = "9"
    & skf18("3","1","10","10","8","9","1") = "9"
    & skf18("3","1","10","10","8","10","1") = "9"
    & skf18("3","1","10","10","9","1","1") = "9"
    & skf18("3","1","10","10","9","2","1") = "9"
    & skf18("3","1","10","10","9","3","1") = "9"
    & skf18("3","1","10","10","9","4","1") = "9"
    & skf18("3","1","10","10","9","5","1") = "9"
    & skf18("3","1","10","10","9","6","1") = "9"
    & skf18("3","1","10","10","9","7","1") = "9"
    & skf18("3","1","10","10","9","8","1") = "9"
    & skf18("3","1","10","10","9","9","1") = "9"
    & skf18("3","1","10","10","9","10","1") = "9"
    & skf18("3","1","10","10","10","1","1") = "9"
    & skf18("3","1","10","10","10","2","1") = "9"
    & skf18("3","1","10","10","10","3","1") = "9"
    & skf18("3","1","10","10","10","4","1") = "9"
    & skf18("3","1","10","10","10","5","1") = "9"
    & skf18("3","1","10","10","10","6","1") = "9"
    & skf18("3","1","10","10","10","7","1") = "9"
    & skf18("3","1","10","10","10","8","1") = "9"
    & skf18("3","1","10","10","10","9","1") = "9"
    & skf18("3","1","10","10","10","10","1") = "9"
    & skf18("3","2","1","1","1","1","1") = "2"
    & skf18("3","2","1","1","1","2","1") = "2"
    & skf18("3","2","1","1","1","3","1") = "2"
    & skf18("3","2","1","1","1","4","1") = "3"
    & skf18("3","2","1","1","1","5","1") = "4"
    & skf18("3","2","1","1","1","6","1") = "5"
    & skf18("3","2","1","1","1","7","1") = "6"
    & skf18("3","2","1","1","1","8","1") = "7"
    & skf18("3","2","1","1","1","9","1") = "8"
    & skf18("3","2","1","1","1","10","1") = "9"
    & skf18("3","2","1","1","2","1","1") = "2"
    & skf18("3","2","1","1","2","2","1") = "2"
    & skf18("3","2","1","1","2","3","1") = "2"
    & skf18("3","2","1","1","2","4","1") = "3"
    & skf18("3","2","1","1","2","5","1") = "4"
    & skf18("3","2","1","1","2","6","1") = "5"
    & skf18("3","2","1","1","2","7","1") = "6"
    & skf18("3","2","1","1","2","8","1") = "7"
    & skf18("3","2","1","1","2","9","1") = "8"
    & skf18("3","2","1","1","2","10","1") = "9"
    & skf18("3","2","1","1","3","1","1") = "2"
    & skf18("3","2","1","1","3","2","1") = "2"
    & skf18("3","2","1","1","3","3","1") = "2"
    & skf18("3","2","1","1","3","4","1") = "3"
    & skf18("3","2","1","1","3","5","1") = "4"
    & skf18("3","2","1","1","3","6","1") = "5"
    & skf18("3","2","1","1","3","7","1") = "6"
    & skf18("3","2","1","1","3","8","1") = "7"
    & skf18("3","2","1","1","3","9","1") = "8"
    & skf18("3","2","1","1","3","10","1") = "9"
    & skf18("3","2","1","1","4","1","1") = "3"
    & skf18("3","2","1","1","4","2","1") = "3"
    & skf18("3","2","1","1","4","3","1") = "3"
    & skf18("3","2","1","1","4","4","1") = "3"
    & skf18("3","2","1","1","4","5","1") = "4"
    & skf18("3","2","1","1","4","6","1") = "5"
    & skf18("3","2","1","1","4","7","1") = "6"
    & skf18("3","2","1","1","4","8","1") = "7"
    & skf18("3","2","1","1","4","9","1") = "8"
    & skf18("3","2","1","1","4","10","1") = "9"
    & skf18("3","2","1","1","5","1","1") = "4"
    & skf18("3","2","1","1","5","2","1") = "4"
    & skf18("3","2","1","1","5","3","1") = "4"
    & skf18("3","2","1","1","5","4","1") = "4"
    & skf18("3","2","1","1","5","5","1") = "4"
    & skf18("3","2","1","1","5","6","1") = "5"
    & skf18("3","2","1","1","5","7","1") = "6"
    & skf18("3","2","1","1","5","8","1") = "7"
    & skf18("3","2","1","1","5","9","1") = "8"
    & skf18("3","2","1","1","5","10","1") = "9"
    & skf18("3","2","1","1","6","1","1") = "5"
    & skf18("3","2","1","1","6","2","1") = "5"
    & skf18("3","2","1","1","6","3","1") = "5"
    & skf18("3","2","1","1","6","4","1") = "5"
    & skf18("3","2","1","1","6","5","1") = "5"
    & skf18("3","2","1","1","6","6","1") = "5"
    & skf18("3","2","1","1","6","7","1") = "6"
    & skf18("3","2","1","1","6","8","1") = "7"
    & skf18("3","2","1","1","6","9","1") = "8"
    & skf18("3","2","1","1","6","10","1") = "9"
    & skf18("3","2","1","1","7","1","1") = "6"
    & skf18("3","2","1","1","7","2","1") = "6"
    & skf18("3","2","1","1","7","3","1") = "6"
    & skf18("3","2","1","1","7","4","1") = "6"
    & skf18("3","2","1","1","7","5","1") = "6"
    & skf18("3","2","1","1","7","6","1") = "6"
    & skf18("3","2","1","1","7","7","1") = "6"
    & skf18("3","2","1","1","7","8","1") = "7"
    & skf18("3","2","1","1","7","9","1") = "8"
    & skf18("3","2","1","1","7","10","1") = "9"
    & skf18("3","2","1","1","8","1","1") = "7"
    & skf18("3","2","1","1","8","2","1") = "7"
    & skf18("3","2","1","1","8","3","1") = "7"
    & skf18("3","2","1","1","8","4","1") = "7"
    & skf18("3","2","1","1","8","5","1") = "7"
    & skf18("3","2","1","1","8","6","1") = "7"
    & skf18("3","2","1","1","8","7","1") = "7"
    & skf18("3","2","1","1","8","8","1") = "7"
    & skf18("3","2","1","1","8","9","1") = "8"
    & skf18("3","2","1","1","8","10","1") = "9"
    & skf18("3","2","1","1","9","1","1") = "8"
    & skf18("3","2","1","1","9","2","1") = "8"
    & skf18("3","2","1","1","9","3","1") = "8"
    & skf18("3","2","1","1","9","4","1") = "8"
    & skf18("3","2","1","1","9","5","1") = "8"
    & skf18("3","2","1","1","9","6","1") = "8"
    & skf18("3","2","1","1","9","7","1") = "8"
    & skf18("3","2","1","1","9","8","1") = "8"
    & skf18("3","2","1","1","9","9","1") = "8"
    & skf18("3","2","1","1","9","10","1") = "9"
    & skf18("3","2","1","1","10","1","1") = "9"
    & skf18("3","2","1","1","10","2","1") = "9"
    & skf18("3","2","1","1","10","3","1") = "9"
    & skf18("3","2","1","1","10","4","1") = "9"
    & skf18("3","2","1","1","10","5","1") = "9"
    & skf18("3","2","1","1","10","6","1") = "9"
    & skf18("3","2","1","1","10","7","1") = "9"
    & skf18("3","2","1","1","10","8","1") = "9"
    & skf18("3","2","1","1","10","9","1") = "9"
    & skf18("3","2","1","1","10","10","1") = "9"
    & skf18("3","2","1","2","1","1","1") = "2"
    & skf18("3","2","1","2","1","2","1") = "2"
    & skf18("3","2","1","2","1","3","1") = "2"
    & skf18("3","2","1","2","1","4","1") = "3"
    & skf18("3","2","1","2","1","5","1") = "4"
    & skf18("3","2","1","2","1","6","1") = "5"
    & skf18("3","2","1","2","1","7","1") = "6"
    & skf18("3","2","1","2","1","8","1") = "7"
    & skf18("3","2","1","2","1","9","1") = "8"
    & skf18("3","2","1","2","1","10","1") = "9"
    & skf18("3","2","1","2","2","1","1") = "2"
    & skf18("3","2","1","2","2","2","1") = "2"
    & skf18("3","2","1","2","2","3","1") = "2"
    & skf18("3","2","1","2","2","4","1") = "3"
    & skf18("3","2","1","2","2","5","1") = "4"
    & skf18("3","2","1","2","2","6","1") = "5"
    & skf18("3","2","1","2","2","7","1") = "6"
    & skf18("3","2","1","2","2","8","1") = "7"
    & skf18("3","2","1","2","2","9","1") = "8"
    & skf18("3","2","1","2","2","10","1") = "9"
    & skf18("3","2","1","2","3","1","1") = "2"
    & skf18("3","2","1","2","3","2","1") = "2"
    & skf18("3","2","1","2","3","3","1") = "2"
    & skf18("3","2","1","2","3","4","1") = "3"
    & skf18("3","2","1","2","3","5","1") = "4"
    & skf18("3","2","1","2","3","6","1") = "5"
    & skf18("3","2","1","2","3","7","1") = "6"
    & skf18("3","2","1","2","3","8","1") = "7"
    & skf18("3","2","1","2","3","9","1") = "8"
    & skf18("3","2","1","2","3","10","1") = "9"
    & skf18("3","2","1","2","4","1","1") = "3"
    & skf18("3","2","1","2","4","2","1") = "3"
    & skf18("3","2","1","2","4","3","1") = "3"
    & skf18("3","2","1","2","4","4","1") = "3"
    & skf18("3","2","1","2","4","5","1") = "4"
    & skf18("3","2","1","2","4","6","1") = "5"
    & skf18("3","2","1","2","4","7","1") = "6"
    & skf18("3","2","1","2","4","8","1") = "7"
    & skf18("3","2","1","2","4","9","1") = "8"
    & skf18("3","2","1","2","4","10","1") = "9"
    & skf18("3","2","1","2","5","1","1") = "4"
    & skf18("3","2","1","2","5","2","1") = "4"
    & skf18("3","2","1","2","5","3","1") = "4"
    & skf18("3","2","1","2","5","4","1") = "4"
    & skf18("3","2","1","2","5","5","1") = "4"
    & skf18("3","2","1","2","5","6","1") = "5"
    & skf18("3","2","1","2","5","7","1") = "6"
    & skf18("3","2","1","2","5","8","1") = "7"
    & skf18("3","2","1","2","5","9","1") = "8"
    & skf18("3","2","1","2","5","10","1") = "9"
    & skf18("3","2","1","2","6","1","1") = "5"
    & skf18("3","2","1","2","6","2","1") = "5"
    & skf18("3","2","1","2","6","3","1") = "5"
    & skf18("3","2","1","2","6","4","1") = "5"
    & skf18("3","2","1","2","6","5","1") = "5"
    & skf18("3","2","1","2","6","6","1") = "5"
    & skf18("3","2","1","2","6","7","1") = "6"
    & skf18("3","2","1","2","6","8","1") = "7"
    & skf18("3","2","1","2","6","9","1") = "8"
    & skf18("3","2","1","2","6","10","1") = "9"
    & skf18("3","2","1","2","7","1","1") = "6"
    & skf18("3","2","1","2","7","2","1") = "6"
    & skf18("3","2","1","2","7","3","1") = "6"
    & skf18("3","2","1","2","7","4","1") = "6"
    & skf18("3","2","1","2","7","5","1") = "6"
    & skf18("3","2","1","2","7","6","1") = "6"
    & skf18("3","2","1","2","7","7","1") = "6"
    & skf18("3","2","1","2","7","8","1") = "7"
    & skf18("3","2","1","2","7","9","1") = "8"
    & skf18("3","2","1","2","7","10","1") = "9"
    & skf18("3","2","1","2","8","1","1") = "7"
    & skf18("3","2","1","2","8","2","1") = "7"
    & skf18("3","2","1","2","8","3","1") = "7"
    & skf18("3","2","1","2","8","4","1") = "7"
    & skf18("3","2","1","2","8","5","1") = "7"
    & skf18("3","2","1","2","8","6","1") = "7"
    & skf18("3","2","1","2","8","7","1") = "7"
    & skf18("3","2","1","2","8","8","1") = "7"
    & skf18("3","2","1","2","8","9","1") = "8"
    & skf18("3","2","1","2","8","10","1") = "9"
    & skf18("3","2","1","2","9","1","1") = "8"
    & skf18("3","2","1","2","9","2","1") = "8"
    & skf18("3","2","1","2","9","3","1") = "8"
    & skf18("3","2","1","2","9","4","1") = "8"
    & skf18("3","2","1","2","9","5","1") = "8"
    & skf18("3","2","1","2","9","6","1") = "8"
    & skf18("3","2","1","2","9","7","1") = "8"
    & skf18("3","2","1","2","9","8","1") = "8"
    & skf18("3","2","1","2","9","9","1") = "8"
    & skf18("3","2","1","2","9","10","1") = "9"
    & skf18("3","2","1","2","10","1","1") = "9"
    & skf18("3","2","1","2","10","2","1") = "9"
    & skf18("3","2","1","2","10","3","1") = "9"
    & skf18("3","2","1","2","10","4","1") = "9"
    & skf18("3","2","1","2","10","5","1") = "9"
    & skf18("3","2","1","2","10","6","1") = "9"
    & skf18("3","2","1","2","10","7","1") = "9"
    & skf18("3","2","1","2","10","8","1") = "9"
    & skf18("3","2","1","2","10","9","1") = "9"
    & skf18("3","2","1","2","10","10","1") = "9"
    & skf18("3","2","1","3","1","1","1") = "2"
    & skf18("3","2","1","3","1","2","1") = "2"
    & skf18("3","2","1","3","1","3","1") = "2"
    & skf18("3","2","1","3","1","4","1") = "3"
    & skf18("3","2","1","3","1","5","1") = "4"
    & skf18("3","2","1","3","1","6","1") = "5"
    & skf18("3","2","1","3","1","7","1") = "6"
    & skf18("3","2","1","3","1","8","1") = "7"
    & skf18("3","2","1","3","1","9","1") = "8"
    & skf18("3","2","1","3","1","10","1") = "9"
    & skf18("3","2","1","3","2","1","1") = "2"
    & skf18("3","2","1","3","2","2","1") = "2"
    & skf18("3","2","1","3","2","3","1") = "2"
    & skf18("3","2","1","3","2","4","1") = "3"
    & skf18("3","2","1","3","2","5","1") = "4"
    & skf18("3","2","1","3","2","6","1") = "5"
    & skf18("3","2","1","3","2","7","1") = "6"
    & skf18("3","2","1","3","2","8","1") = "7"
    & skf18("3","2","1","3","2","9","1") = "8"
    & skf18("3","2","1","3","2","10","1") = "9"
    & skf18("3","2","1","3","3","1","1") = "2"
    & skf18("3","2","1","3","3","2","1") = "2"
    & skf18("3","2","1","3","3","3","1") = "2"
    & skf18("3","2","1","3","3","4","1") = "3"
    & skf18("3","2","1","3","3","5","1") = "4"
    & skf18("3","2","1","3","3","6","1") = "5"
    & skf18("3","2","1","3","3","7","1") = "6"
    & skf18("3","2","1","3","3","8","1") = "7"
    & skf18("3","2","1","3","3","9","1") = "8"
    & skf18("3","2","1","3","3","10","1") = "9"
    & skf18("3","2","1","3","4","1","1") = "3"
    & skf18("3","2","1","3","4","2","1") = "3"
    & skf18("3","2","1","3","4","3","1") = "3"
    & skf18("3","2","1","3","4","4","1") = "3"
    & skf18("3","2","1","3","4","5","1") = "4"
    & skf18("3","2","1","3","4","6","1") = "5"
    & skf18("3","2","1","3","4","7","1") = "6"
    & skf18("3","2","1","3","4","8","1") = "7"
    & skf18("3","2","1","3","4","9","1") = "8"
    & skf18("3","2","1","3","4","10","1") = "9"
    & skf18("3","2","1","3","5","1","1") = "4"
    & skf18("3","2","1","3","5","2","1") = "4"
    & skf18("3","2","1","3","5","3","1") = "4"
    & skf18("3","2","1","3","5","4","1") = "4"
    & skf18("3","2","1","3","5","5","1") = "4"
    & skf18("3","2","1","3","5","6","1") = "5"
    & skf18("3","2","1","3","5","7","1") = "6"
    & skf18("3","2","1","3","5","8","1") = "7"
    & skf18("3","2","1","3","5","9","1") = "8"
    & skf18("3","2","1","3","5","10","1") = "9"
    & skf18("3","2","1","3","6","1","1") = "5"
    & skf18("3","2","1","3","6","2","1") = "5"
    & skf18("3","2","1","3","6","3","1") = "5"
    & skf18("3","2","1","3","6","4","1") = "5"
    & skf18("3","2","1","3","6","5","1") = "5"
    & skf18("3","2","1","3","6","6","1") = "5"
    & skf18("3","2","1","3","6","7","1") = "6"
    & skf18("3","2","1","3","6","8","1") = "7"
    & skf18("3","2","1","3","6","9","1") = "8"
    & skf18("3","2","1","3","6","10","1") = "9"
    & skf18("3","2","1","3","7","1","1") = "6"
    & skf18("3","2","1","3","7","2","1") = "6"
    & skf18("3","2","1","3","7","3","1") = "6"
    & skf18("3","2","1","3","7","4","1") = "6"
    & skf18("3","2","1","3","7","5","1") = "6"
    & skf18("3","2","1","3","7","6","1") = "6"
    & skf18("3","2","1","3","7","7","1") = "6"
    & skf18("3","2","1","3","7","8","1") = "7"
    & skf18("3","2","1","3","7","9","1") = "8"
    & skf18("3","2","1","3","7","10","1") = "9"
    & skf18("3","2","1","3","8","1","1") = "7"
    & skf18("3","2","1","3","8","2","1") = "7"
    & skf18("3","2","1","3","8","3","1") = "7"
    & skf18("3","2","1","3","8","4","1") = "7"
    & skf18("3","2","1","3","8","5","1") = "7"
    & skf18("3","2","1","3","8","6","1") = "7"
    & skf18("3","2","1","3","8","7","1") = "7"
    & skf18("3","2","1","3","8","8","1") = "7"
    & skf18("3","2","1","3","8","9","1") = "8"
    & skf18("3","2","1","3","8","10","1") = "9"
    & skf18("3","2","1","3","9","1","1") = "8"
    & skf18("3","2","1","3","9","2","1") = "8"
    & skf18("3","2","1","3","9","3","1") = "8"
    & skf18("3","2","1","3","9","4","1") = "8"
    & skf18("3","2","1","3","9","5","1") = "8"
    & skf18("3","2","1","3","9","6","1") = "8"
    & skf18("3","2","1","3","9","7","1") = "8"
    & skf18("3","2","1","3","9","8","1") = "8"
    & skf18("3","2","1","3","9","9","1") = "8"
    & skf18("3","2","1","3","9","10","1") = "9"
    & skf18("3","2","1","3","10","1","1") = "9"
    & skf18("3","2","1","3","10","2","1") = "9"
    & skf18("3","2","1","3","10","3","1") = "9"
    & skf18("3","2","1","3","10","4","1") = "9"
    & skf18("3","2","1","3","10","5","1") = "9"
    & skf18("3","2","1","3","10","6","1") = "9"
    & skf18("3","2","1","3","10","7","1") = "9"
    & skf18("3","2","1","3","10","8","1") = "9"
    & skf18("3","2","1","3","10","9","1") = "9"
    & skf18("3","2","1","3","10","10","1") = "9"
    & skf18("3","2","1","4","1","1","1") = "3"
    & skf18("3","2","1","4","1","2","1") = "3"
    & skf18("3","2","1","4","1","3","1") = "3"
    & skf18("3","2","1","4","1","4","1") = "3"
    & skf18("3","2","1","4","1","5","1") = "4"
    & skf18("3","2","1","4","1","6","1") = "5"
    & skf18("3","2","1","4","1","7","1") = "6"
    & skf18("3","2","1","4","1","8","1") = "7"
    & skf18("3","2","1","4","1","9","1") = "8"
    & skf18("3","2","1","4","1","10","1") = "9"
    & skf18("3","2","1","4","2","1","1") = "3"
    & skf18("3","2","1","4","2","2","1") = "3"
    & skf18("3","2","1","4","2","3","1") = "3"
    & skf18("3","2","1","4","2","4","1") = "3"
    & skf18("3","2","1","4","2","5","1") = "4"
    & skf18("3","2","1","4","2","6","1") = "5"
    & skf18("3","2","1","4","2","7","1") = "6"
    & skf18("3","2","1","4","2","8","1") = "7"
    & skf18("3","2","1","4","2","9","1") = "8"
    & skf18("3","2","1","4","2","10","1") = "9"
    & skf18("3","2","1","4","3","1","1") = "3"
    & skf18("3","2","1","4","3","2","1") = "3"
    & skf18("3","2","1","4","3","3","1") = "3"
    & skf18("3","2","1","4","3","4","1") = "3"
    & skf18("3","2","1","4","3","5","1") = "4"
    & skf18("3","2","1","4","3","6","1") = "5"
    & skf18("3","2","1","4","3","7","1") = "6"
    & skf18("3","2","1","4","3","8","1") = "7"
    & skf18("3","2","1","4","3","9","1") = "8"
    & skf18("3","2","1","4","3","10","1") = "9"
    & skf18("3","2","1","4","4","1","1") = "3"
    & skf18("3","2","1","4","4","2","1") = "3"
    & skf18("3","2","1","4","4","3","1") = "3"
    & skf18("3","2","1","4","4","4","1") = "3"
    & skf18("3","2","1","4","4","5","1") = "4"
    & skf18("3","2","1","4","4","6","1") = "5"
    & skf18("3","2","1","4","4","7","1") = "6"
    & skf18("3","2","1","4","4","8","1") = "7"
    & skf18("3","2","1","4","4","9","1") = "8"
    & skf18("3","2","1","4","4","10","1") = "9"
    & skf18("3","2","1","4","5","1","1") = "4"
    & skf18("3","2","1","4","5","2","1") = "4"
    & skf18("3","2","1","4","5","3","1") = "4"
    & skf18("3","2","1","4","5","4","1") = "4"
    & skf18("3","2","1","4","5","5","1") = "4"
    & skf18("3","2","1","4","5","6","1") = "5"
    & skf18("3","2","1","4","5","7","1") = "6"
    & skf18("3","2","1","4","5","8","1") = "7"
    & skf18("3","2","1","4","5","9","1") = "8"
    & skf18("3","2","1","4","5","10","1") = "9"
    & skf18("3","2","1","4","6","1","1") = "5"
    & skf18("3","2","1","4","6","2","1") = "5"
    & skf18("3","2","1","4","6","3","1") = "5"
    & skf18("3","2","1","4","6","4","1") = "5"
    & skf18("3","2","1","4","6","5","1") = "5"
    & skf18("3","2","1","4","6","6","1") = "5"
    & skf18("3","2","1","4","6","7","1") = "6"
    & skf18("3","2","1","4","6","8","1") = "7"
    & skf18("3","2","1","4","6","9","1") = "8"
    & skf18("3","2","1","4","6","10","1") = "9"
    & skf18("3","2","1","4","7","1","1") = "6"
    & skf18("3","2","1","4","7","2","1") = "6"
    & skf18("3","2","1","4","7","3","1") = "6"
    & skf18("3","2","1","4","7","4","1") = "6"
    & skf18("3","2","1","4","7","5","1") = "6"
    & skf18("3","2","1","4","7","6","1") = "6"
    & skf18("3","2","1","4","7","7","1") = "6"
    & skf18("3","2","1","4","7","8","1") = "7"
    & skf18("3","2","1","4","7","9","1") = "8"
    & skf18("3","2","1","4","7","10","1") = "9"
    & skf18("3","2","1","4","8","1","1") = "7"
    & skf18("3","2","1","4","8","2","1") = "7"
    & skf18("3","2","1","4","8","3","1") = "7"
    & skf18("3","2","1","4","8","4","1") = "7"
    & skf18("3","2","1","4","8","5","1") = "7"
    & skf18("3","2","1","4","8","6","1") = "7"
    & skf18("3","2","1","4","8","7","1") = "7"
    & skf18("3","2","1","4","8","8","1") = "7"
    & skf18("3","2","1","4","8","9","1") = "8"
    & skf18("3","2","1","4","8","10","1") = "9"
    & skf18("3","2","1","4","9","1","1") = "8"
    & skf18("3","2","1","4","9","2","1") = "8"
    & skf18("3","2","1","4","9","3","1") = "8"
    & skf18("3","2","1","4","9","4","1") = "8"
    & skf18("3","2","1","4","9","5","1") = "8"
    & skf18("3","2","1","4","9","6","1") = "8"
    & skf18("3","2","1","4","9","7","1") = "8"
    & skf18("3","2","1","4","9","8","1") = "8"
    & skf18("3","2","1","4","9","9","1") = "8"
    & skf18("3","2","1","4","9","10","1") = "9"
    & skf18("3","2","1","4","10","1","1") = "9"
    & skf18("3","2","1","4","10","2","1") = "9"
    & skf18("3","2","1","4","10","3","1") = "9"
    & skf18("3","2","1","4","10","4","1") = "9"
    & skf18("3","2","1","4","10","5","1") = "9"
    & skf18("3","2","1","4","10","6","1") = "9"
    & skf18("3","2","1","4","10","7","1") = "9"
    & skf18("3","2","1","4","10","8","1") = "9"
    & skf18("3","2","1","4","10","9","1") = "9"
    & skf18("3","2","1","4","10","10","1") = "9"
    & skf18("3","2","1","5","1","1","1") = "4"
    & skf18("3","2","1","5","1","2","1") = "4"
    & skf18("3","2","1","5","1","3","1") = "4"
    & skf18("3","2","1","5","1","4","1") = "4"
    & skf18("3","2","1","5","1","5","1") = "4"
    & skf18("3","2","1","5","1","6","1") = "5"
    & skf18("3","2","1","5","1","7","1") = "6"
    & skf18("3","2","1","5","1","8","1") = "7"
    & skf18("3","2","1","5","1","9","1") = "8"
    & skf18("3","2","1","5","1","10","1") = "9"
    & skf18("3","2","1","5","2","1","1") = "4"
    & skf18("3","2","1","5","2","2","1") = "4"
    & skf18("3","2","1","5","2","3","1") = "4"
    & skf18("3","2","1","5","2","4","1") = "4"
    & skf18("3","2","1","5","2","5","1") = "4"
    & skf18("3","2","1","5","2","6","1") = "5"
    & skf18("3","2","1","5","2","7","1") = "6"
    & skf18("3","2","1","5","2","8","1") = "7"
    & skf18("3","2","1","5","2","9","1") = "8"
    & skf18("3","2","1","5","2","10","1") = "9"
    & skf18("3","2","1","5","3","1","1") = "4"
    & skf18("3","2","1","5","3","2","1") = "4"
    & skf18("3","2","1","5","3","3","1") = "4"
    & skf18("3","2","1","5","3","4","1") = "4"
    & skf18("3","2","1","5","3","5","1") = "4"
    & skf18("3","2","1","5","3","6","1") = "5"
    & skf18("3","2","1","5","3","7","1") = "6"
    & skf18("3","2","1","5","3","8","1") = "7"
    & skf18("3","2","1","5","3","9","1") = "8"
    & skf18("3","2","1","5","3","10","1") = "9"
    & skf18("3","2","1","5","4","1","1") = "4"
    & skf18("3","2","1","5","4","2","1") = "4"
    & skf18("3","2","1","5","4","3","1") = "4"
    & skf18("3","2","1","5","4","4","1") = "4"
    & skf18("3","2","1","5","4","5","1") = "4"
    & skf18("3","2","1","5","4","6","1") = "5"
    & skf18("3","2","1","5","4","7","1") = "6"
    & skf18("3","2","1","5","4","8","1") = "7"
    & skf18("3","2","1","5","4","9","1") = "8"
    & skf18("3","2","1","5","4","10","1") = "9"
    & skf18("3","2","1","5","5","1","1") = "4"
    & skf18("3","2","1","5","5","2","1") = "4"
    & skf18("3","2","1","5","5","3","1") = "4"
    & skf18("3","2","1","5","5","4","1") = "4"
    & skf18("3","2","1","5","5","5","1") = "4"
    & skf18("3","2","1","5","5","6","1") = "5"
    & skf18("3","2","1","5","5","7","1") = "6"
    & skf18("3","2","1","5","5","8","1") = "7"
    & skf18("3","2","1","5","5","9","1") = "8"
    & skf18("3","2","1","5","5","10","1") = "9"
    & skf18("3","2","1","5","6","1","1") = "5"
    & skf18("3","2","1","5","6","2","1") = "5"
    & skf18("3","2","1","5","6","3","1") = "5"
    & skf18("3","2","1","5","6","4","1") = "5"
    & skf18("3","2","1","5","6","5","1") = "5"
    & skf18("3","2","1","5","6","6","1") = "5"
    & skf18("3","2","1","5","6","7","1") = "6"
    & skf18("3","2","1","5","6","8","1") = "7"
    & skf18("3","2","1","5","6","9","1") = "8"
    & skf18("3","2","1","5","6","10","1") = "9"
    & skf18("3","2","1","5","7","1","1") = "6"
    & skf18("3","2","1","5","7","2","1") = "6"
    & skf18("3","2","1","5","7","3","1") = "6"
    & skf18("3","2","1","5","7","4","1") = "6"
    & skf18("3","2","1","5","7","5","1") = "6"
    & skf18("3","2","1","5","7","6","1") = "6"
    & skf18("3","2","1","5","7","7","1") = "6"
    & skf18("3","2","1","5","7","8","1") = "7"
    & skf18("3","2","1","5","7","9","1") = "8"
    & skf18("3","2","1","5","7","10","1") = "9"
    & skf18("3","2","1","5","8","1","1") = "7"
    & skf18("3","2","1","5","8","2","1") = "7"
    & skf18("3","2","1","5","8","3","1") = "7"
    & skf18("3","2","1","5","8","4","1") = "7"
    & skf18("3","2","1","5","8","5","1") = "7"
    & skf18("3","2","1","5","8","6","1") = "7"
    & skf18("3","2","1","5","8","7","1") = "7"
    & skf18("3","2","1","5","8","8","1") = "7"
    & skf18("3","2","1","5","8","9","1") = "8"
    & skf18("3","2","1","5","8","10","1") = "9"
    & skf18("3","2","1","5","9","1","1") = "8"
    & skf18("3","2","1","5","9","2","1") = "8"
    & skf18("3","2","1","5","9","3","1") = "8"
    & skf18("3","2","1","5","9","4","1") = "8"
    & skf18("3","2","1","5","9","5","1") = "8"
    & skf18("3","2","1","5","9","6","1") = "8"
    & skf18("3","2","1","5","9","7","1") = "8"
    & skf18("3","2","1","5","9","8","1") = "8"
    & skf18("3","2","1","5","9","9","1") = "8"
    & skf18("3","2","1","5","9","10","1") = "9"
    & skf18("3","2","1","5","10","1","1") = "9"
    & skf18("3","2","1","5","10","2","1") = "9"
    & skf18("3","2","1","5","10","3","1") = "9"
    & skf18("3","2","1","5","10","4","1") = "9"
    & skf18("3","2","1","5","10","5","1") = "9"
    & skf18("3","2","1","5","10","6","1") = "9"
    & skf18("3","2","1","5","10","7","1") = "9"
    & skf18("3","2","1","5","10","8","1") = "9"
    & skf18("3","2","1","5","10","9","1") = "9"
    & skf18("3","2","1","5","10","10","1") = "9"
    & skf18("3","2","1","6","1","1","1") = "5"
    & skf18("3","2","1","6","1","2","1") = "5"
    & skf18("3","2","1","6","1","3","1") = "5"
    & skf18("3","2","1","6","1","4","1") = "5"
    & skf18("3","2","1","6","1","5","1") = "5"
    & skf18("3","2","1","6","1","6","1") = "5"
    & skf18("3","2","1","6","1","7","1") = "6"
    & skf18("3","2","1","6","1","8","1") = "7"
    & skf18("3","2","1","6","1","9","1") = "8"
    & skf18("3","2","1","6","1","10","1") = "9"
    & skf18("3","2","1","6","2","1","1") = "5"
    & skf18("3","2","1","6","2","2","1") = "5"
    & skf18("3","2","1","6","2","3","1") = "5"
    & skf18("3","2","1","6","2","4","1") = "5"
    & skf18("3","2","1","6","2","5","1") = "5"
    & skf18("3","2","1","6","2","6","1") = "5"
    & skf18("3","2","1","6","2","7","1") = "6"
    & skf18("3","2","1","6","2","8","1") = "7"
    & skf18("3","2","1","6","2","9","1") = "8"
    & skf18("3","2","1","6","2","10","1") = "9"
    & skf18("3","2","1","6","3","1","1") = "5"
    & skf18("3","2","1","6","3","2","1") = "5"
    & skf18("3","2","1","6","3","3","1") = "5"
    & skf18("3","2","1","6","3","4","1") = "5"
    & skf18("3","2","1","6","3","5","1") = "5"
    & skf18("3","2","1","6","3","6","1") = "5"
    & skf18("3","2","1","6","3","7","1") = "6"
    & skf18("3","2","1","6","3","8","1") = "7"
    & skf18("3","2","1","6","3","9","1") = "8"
    & skf18("3","2","1","6","3","10","1") = "9"
    & skf18("3","2","1","6","4","1","1") = "5"
    & skf18("3","2","1","6","4","2","1") = "5"
    & skf18("3","2","1","6","4","3","1") = "5"
    & skf18("3","2","1","6","4","4","1") = "5"
    & skf18("3","2","1","6","4","5","1") = "5"
    & skf18("3","2","1","6","4","6","1") = "5"
    & skf18("3","2","1","6","4","7","1") = "6"
    & skf18("3","2","1","6","4","8","1") = "7"
    & skf18("3","2","1","6","4","9","1") = "8"
    & skf18("3","2","1","6","4","10","1") = "9"
    & skf18("3","2","1","6","5","1","1") = "5"
    & skf18("3","2","1","6","5","2","1") = "5"
    & skf18("3","2","1","6","5","3","1") = "5"
    & skf18("3","2","1","6","5","4","1") = "5"
    & skf18("3","2","1","6","5","5","1") = "5"
    & skf18("3","2","1","6","5","6","1") = "5"
    & skf18("3","2","1","6","5","7","1") = "6"
    & skf18("3","2","1","6","5","8","1") = "7"
    & skf18("3","2","1","6","5","9","1") = "8"
    & skf18("3","2","1","6","5","10","1") = "9"
    & skf18("3","2","1","6","6","1","1") = "5"
    & skf18("3","2","1","6","6","2","1") = "5"
    & skf18("3","2","1","6","6","3","1") = "5"
    & skf18("3","2","1","6","6","4","1") = "5"
    & skf18("3","2","1","6","6","5","1") = "5"
    & skf18("3","2","1","6","6","6","1") = "5"
    & skf18("3","2","1","6","6","7","1") = "6"
    & skf18("3","2","1","6","6","8","1") = "7"
    & skf18("3","2","1","6","6","9","1") = "8"
    & skf18("3","2","1","6","6","10","1") = "9"
    & skf18("3","2","1","6","7","1","1") = "6"
    & skf18("3","2","1","6","7","2","1") = "6"
    & skf18("3","2","1","6","7","3","1") = "6"
    & skf18("3","2","1","6","7","4","1") = "6"
    & skf18("3","2","1","6","7","5","1") = "6"
    & skf18("3","2","1","6","7","6","1") = "6"
    & skf18("3","2","1","6","7","7","1") = "6"
    & skf18("3","2","1","6","7","8","1") = "7"
    & skf18("3","2","1","6","7","9","1") = "8"
    & skf18("3","2","1","6","7","10","1") = "9"
    & skf18("3","2","1","6","8","1","1") = "7"
    & skf18("3","2","1","6","8","2","1") = "7"
    & skf18("3","2","1","6","8","3","1") = "7"
    & skf18("3","2","1","6","8","4","1") = "7"
    & skf18("3","2","1","6","8","5","1") = "7"
    & skf18("3","2","1","6","8","6","1") = "7"
    & skf18("3","2","1","6","8","7","1") = "7"
    & skf18("3","2","1","6","8","8","1") = "7"
    & skf18("3","2","1","6","8","9","1") = "8"
    & skf18("3","2","1","6","8","10","1") = "9"
    & skf18("3","2","1","6","9","1","1") = "8"
    & skf18("3","2","1","6","9","2","1") = "8"
    & skf18("3","2","1","6","9","3","1") = "8"
    & skf18("3","2","1","6","9","4","1") = "8"
    & skf18("3","2","1","6","9","5","1") = "8"
    & skf18("3","2","1","6","9","6","1") = "8"
    & skf18("3","2","1","6","9","7","1") = "8"
    & skf18("3","2","1","6","9","8","1") = "8"
    & skf18("3","2","1","6","9","9","1") = "8"
    & skf18("3","2","1","6","9","10","1") = "9"
    & skf18("3","2","1","6","10","1","1") = "9"
    & skf18("3","2","1","6","10","2","1") = "9"
    & skf18("3","2","1","6","10","3","1") = "9"
    & skf18("3","2","1","6","10","4","1") = "9"
    & skf18("3","2","1","6","10","5","1") = "9"
    & skf18("3","2","1","6","10","6","1") = "9"
    & skf18("3","2","1","6","10","7","1") = "9"
    & skf18("3","2","1","6","10","8","1") = "9"
    & skf18("3","2","1","6","10","9","1") = "9"
    & skf18("3","2","1","6","10","10","1") = "9"
    & skf18("3","2","1","7","1","1","1") = "6"
    & skf18("3","2","1","7","1","2","1") = "6"
    & skf18("3","2","1","7","1","3","1") = "6"
    & skf18("3","2","1","7","1","4","1") = "6"
    & skf18("3","2","1","7","1","5","1") = "6"
    & skf18("3","2","1","7","1","6","1") = "6"
    & skf18("3","2","1","7","1","7","1") = "6"
    & skf18("3","2","1","7","1","8","1") = "7"
    & skf18("3","2","1","7","1","9","1") = "8"
    & skf18("3","2","1","7","1","10","1") = "9"
    & skf18("3","2","1","7","2","1","1") = "6"
    & skf18("3","2","1","7","2","2","1") = "6"
    & skf18("3","2","1","7","2","3","1") = "6"
    & skf18("3","2","1","7","2","4","1") = "6"
    & skf18("3","2","1","7","2","5","1") = "6"
    & skf18("3","2","1","7","2","6","1") = "6"
    & skf18("3","2","1","7","2","7","1") = "6"
    & skf18("3","2","1","7","2","8","1") = "7"
    & skf18("3","2","1","7","2","9","1") = "8"
    & skf18("3","2","1","7","2","10","1") = "9"
    & skf18("3","2","1","7","3","1","1") = "6"
    & skf18("3","2","1","7","3","2","1") = "6"
    & skf18("3","2","1","7","3","3","1") = "6"
    & skf18("3","2","1","7","3","4","1") = "6"
    & skf18("3","2","1","7","3","5","1") = "6"
    & skf18("3","2","1","7","3","6","1") = "6"
    & skf18("3","2","1","7","3","7","1") = "6"
    & skf18("3","2","1","7","3","8","1") = "7"
    & skf18("3","2","1","7","3","9","1") = "8"
    & skf18("3","2","1","7","3","10","1") = "9"
    & skf18("3","2","1","7","4","1","1") = "6"
    & skf18("3","2","1","7","4","2","1") = "6"
    & skf18("3","2","1","7","4","3","1") = "6"
    & skf18("3","2","1","7","4","4","1") = "6"
    & skf18("3","2","1","7","4","5","1") = "6"
    & skf18("3","2","1","7","4","6","1") = "6"
    & skf18("3","2","1","7","4","7","1") = "6"
    & skf18("3","2","1","7","4","8","1") = "7"
    & skf18("3","2","1","7","4","9","1") = "8"
    & skf18("3","2","1","7","4","10","1") = "9"
    & skf18("3","2","1","7","5","1","1") = "6"
    & skf18("3","2","1","7","5","2","1") = "6"
    & skf18("3","2","1","7","5","3","1") = "6"
    & skf18("3","2","1","7","5","4","1") = "6"
    & skf18("3","2","1","7","5","5","1") = "6"
    & skf18("3","2","1","7","5","6","1") = "6"
    & skf18("3","2","1","7","5","7","1") = "6"
    & skf18("3","2","1","7","5","8","1") = "7"
    & skf18("3","2","1","7","5","9","1") = "8"
    & skf18("3","2","1","7","5","10","1") = "9"
    & skf18("3","2","1","7","6","1","1") = "6"
    & skf18("3","2","1","7","6","2","1") = "6"
    & skf18("3","2","1","7","6","3","1") = "6"
    & skf18("3","2","1","7","6","4","1") = "6"
    & skf18("3","2","1","7","6","5","1") = "6"
    & skf18("3","2","1","7","6","6","1") = "6"
    & skf18("3","2","1","7","6","7","1") = "6"
    & skf18("3","2","1","7","6","8","1") = "7"
    & skf18("3","2","1","7","6","9","1") = "8"
    & skf18("3","2","1","7","6","10","1") = "9"
    & skf18("3","2","1","7","7","1","1") = "6"
    & skf18("3","2","1","7","7","2","1") = "6"
    & skf18("3","2","1","7","7","3","1") = "6"
    & skf18("3","2","1","7","7","4","1") = "6"
    & skf18("3","2","1","7","7","5","1") = "6"
    & skf18("3","2","1","7","7","6","1") = "6"
    & skf18("3","2","1","7","7","7","1") = "6"
    & skf18("3","2","1","7","7","8","1") = "7"
    & skf18("3","2","1","7","7","9","1") = "8"
    & skf18("3","2","1","7","7","10","1") = "9"
    & skf18("3","2","1","7","8","1","1") = "7"
    & skf18("3","2","1","7","8","2","1") = "7"
    & skf18("3","2","1","7","8","3","1") = "7"
    & skf18("3","2","1","7","8","4","1") = "7"
    & skf18("3","2","1","7","8","5","1") = "7"
    & skf18("3","2","1","7","8","6","1") = "7"
    & skf18("3","2","1","7","8","7","1") = "7"
    & skf18("3","2","1","7","8","8","1") = "7"
    & skf18("3","2","1","7","8","9","1") = "8"
    & skf18("3","2","1","7","8","10","1") = "9"
    & skf18("3","2","1","7","9","1","1") = "8"
    & skf18("3","2","1","7","9","2","1") = "8"
    & skf18("3","2","1","7","9","3","1") = "8"
    & skf18("3","2","1","7","9","4","1") = "8"
    & skf18("3","2","1","7","9","5","1") = "8"
    & skf18("3","2","1","7","9","6","1") = "8"
    & skf18("3","2","1","7","9","7","1") = "8"
    & skf18("3","2","1","7","9","8","1") = "8"
    & skf18("3","2","1","7","9","9","1") = "8"
    & skf18("3","2","1","7","9","10","1") = "9"
    & skf18("3","2","1","7","10","1","1") = "9"
    & skf18("3","2","1","7","10","2","1") = "9"
    & skf18("3","2","1","7","10","3","1") = "9"
    & skf18("3","2","1","7","10","4","1") = "9"
    & skf18("3","2","1","7","10","5","1") = "9"
    & skf18("3","2","1","7","10","6","1") = "9"
    & skf18("3","2","1","7","10","7","1") = "9"
    & skf18("3","2","1","7","10","8","1") = "9"
    & skf18("3","2","1","7","10","9","1") = "9"
    & skf18("3","2","1","7","10","10","1") = "9"
    & skf18("3","2","1","8","1","1","1") = "7"
    & skf18("3","2","1","8","1","2","1") = "7"
    & skf18("3","2","1","8","1","3","1") = "7"
    & skf18("3","2","1","8","1","4","1") = "7"
    & skf18("3","2","1","8","1","5","1") = "7"
    & skf18("3","2","1","8","1","6","1") = "7"
    & skf18("3","2","1","8","1","7","1") = "7"
    & skf18("3","2","1","8","1","8","1") = "7"
    & skf18("3","2","1","8","1","9","1") = "8"
    & skf18("3","2","1","8","1","10","1") = "9"
    & skf18("3","2","1","8","2","1","1") = "7"
    & skf18("3","2","1","8","2","2","1") = "7"
    & skf18("3","2","1","8","2","3","1") = "7"
    & skf18("3","2","1","8","2","4","1") = "7"
    & skf18("3","2","1","8","2","5","1") = "7"
    & skf18("3","2","1","8","2","6","1") = "7"
    & skf18("3","2","1","8","2","7","1") = "7"
    & skf18("3","2","1","8","2","8","1") = "7"
    & skf18("3","2","1","8","2","9","1") = "8"
    & skf18("3","2","1","8","2","10","1") = "9"
    & skf18("3","2","1","8","3","1","1") = "7"
    & skf18("3","2","1","8","3","2","1") = "7"
    & skf18("3","2","1","8","3","3","1") = "7"
    & skf18("3","2","1","8","3","4","1") = "7"
    & skf18("3","2","1","8","3","5","1") = "7"
    & skf18("3","2","1","8","3","6","1") = "7"
    & skf18("3","2","1","8","3","7","1") = "7"
    & skf18("3","2","1","8","3","8","1") = "7"
    & skf18("3","2","1","8","3","9","1") = "8"
    & skf18("3","2","1","8","3","10","1") = "9"
    & skf18("3","2","1","8","4","1","1") = "7"
    & skf18("3","2","1","8","4","2","1") = "7"
    & skf18("3","2","1","8","4","3","1") = "7"
    & skf18("3","2","1","8","4","4","1") = "7"
    & skf18("3","2","1","8","4","5","1") = "7"
    & skf18("3","2","1","8","4","6","1") = "7"
    & skf18("3","2","1","8","4","7","1") = "7"
    & skf18("3","2","1","8","4","8","1") = "7"
    & skf18("3","2","1","8","4","9","1") = "8"
    & skf18("3","2","1","8","4","10","1") = "9"
    & skf18("3","2","1","8","5","1","1") = "7"
    & skf18("3","2","1","8","5","2","1") = "7"
    & skf18("3","2","1","8","5","3","1") = "7"
    & skf18("3","2","1","8","5","4","1") = "7"
    & skf18("3","2","1","8","5","5","1") = "7"
    & skf18("3","2","1","8","5","6","1") = "7"
    & skf18("3","2","1","8","5","7","1") = "7"
    & skf18("3","2","1","8","5","8","1") = "7"
    & skf18("3","2","1","8","5","9","1") = "8"
    & skf18("3","2","1","8","5","10","1") = "9"
    & skf18("3","2","1","8","6","1","1") = "7"
    & skf18("3","2","1","8","6","2","1") = "7"
    & skf18("3","2","1","8","6","3","1") = "7"
    & skf18("3","2","1","8","6","4","1") = "7"
    & skf18("3","2","1","8","6","5","1") = "7"
    & skf18("3","2","1","8","6","6","1") = "7"
    & skf18("3","2","1","8","6","7","1") = "7"
    & skf18("3","2","1","8","6","8","1") = "7"
    & skf18("3","2","1","8","6","9","1") = "8"
    & skf18("3","2","1","8","6","10","1") = "9"
    & skf18("3","2","1","8","7","1","1") = "7"
    & skf18("3","2","1","8","7","2","1") = "7"
    & skf18("3","2","1","8","7","3","1") = "7"
    & skf18("3","2","1","8","7","4","1") = "7"
    & skf18("3","2","1","8","7","5","1") = "7"
    & skf18("3","2","1","8","7","6","1") = "7"
    & skf18("3","2","1","8","7","7","1") = "7"
    & skf18("3","2","1","8","7","8","1") = "7"
    & skf18("3","2","1","8","7","9","1") = "8"
    & skf18("3","2","1","8","7","10","1") = "9"
    & skf18("3","2","1","8","8","1","1") = "7"
    & skf18("3","2","1","8","8","2","1") = "7"
    & skf18("3","2","1","8","8","3","1") = "7"
    & skf18("3","2","1","8","8","4","1") = "7"
    & skf18("3","2","1","8","8","5","1") = "7"
    & skf18("3","2","1","8","8","6","1") = "7"
    & skf18("3","2","1","8","8","7","1") = "7"
    & skf18("3","2","1","8","8","8","1") = "7"
    & skf18("3","2","1","8","8","9","1") = "8"
    & skf18("3","2","1","8","8","10","1") = "9"
    & skf18("3","2","1","8","9","1","1") = "8"
    & skf18("3","2","1","8","9","2","1") = "8"
    & skf18("3","2","1","8","9","3","1") = "8"
    & skf18("3","2","1","8","9","4","1") = "8"
    & skf18("3","2","1","8","9","5","1") = "8"
    & skf18("3","2","1","8","9","6","1") = "8"
    & skf18("3","2","1","8","9","7","1") = "8"
    & skf18("3","2","1","8","9","8","1") = "8"
    & skf18("3","2","1","8","9","9","1") = "8"
    & skf18("3","2","1","8","9","10","1") = "9"
    & skf18("3","2","1","8","10","1","1") = "9"
    & skf18("3","2","1","8","10","2","1") = "9"
    & skf18("3","2","1","8","10","3","1") = "9"
    & skf18("3","2","1","8","10","4","1") = "9"
    & skf18("3","2","1","8","10","5","1") = "9"
    & skf18("3","2","1","8","10","6","1") = "9"
    & skf18("3","2","1","8","10","7","1") = "9"
    & skf18("3","2","1","8","10","8","1") = "9"
    & skf18("3","2","1","8","10","9","1") = "9"
    & skf18("3","2","1","8","10","10","1") = "9"
    & skf18("3","2","1","9","1","1","1") = "8"
    & skf18("3","2","1","9","1","2","1") = "8"
    & skf18("3","2","1","9","1","3","1") = "8"
    & skf18("3","2","1","9","1","4","1") = "8"
    & skf18("3","2","1","9","1","5","1") = "8"
    & skf18("3","2","1","9","1","6","1") = "8"
    & skf18("3","2","1","9","1","7","1") = "8"
    & skf18("3","2","1","9","1","8","1") = "8"
    & skf18("3","2","1","9","1","9","1") = "8"
    & skf18("3","2","1","9","1","10","1") = "9"
    & skf18("3","2","1","9","2","1","1") = "8"
    & skf18("3","2","1","9","2","2","1") = "8"
    & skf18("3","2","1","9","2","3","1") = "8"
    & skf18("3","2","1","9","2","4","1") = "8"
    & skf18("3","2","1","9","2","5","1") = "8"
    & skf18("3","2","1","9","2","6","1") = "8"
    & skf18("3","2","1","9","2","7","1") = "8"
    & skf18("3","2","1","9","2","8","1") = "8"
    & skf18("3","2","1","9","2","9","1") = "8"
    & skf18("3","2","1","9","2","10","1") = "9"
    & skf18("3","2","1","9","3","1","1") = "8"
    & skf18("3","2","1","9","3","2","1") = "8"
    & skf18("3","2","1","9","3","3","1") = "8"
    & skf18("3","2","1","9","3","4","1") = "8"
    & skf18("3","2","1","9","3","5","1") = "8"
    & skf18("3","2","1","9","3","6","1") = "8"
    & skf18("3","2","1","9","3","7","1") = "8"
    & skf18("3","2","1","9","3","8","1") = "8"
    & skf18("3","2","1","9","3","9","1") = "8"
    & skf18("3","2","1","9","3","10","1") = "9"
    & skf18("3","2","1","9","4","1","1") = "8"
    & skf18("3","2","1","9","4","2","1") = "8"
    & skf18("3","2","1","9","4","3","1") = "8"
    & skf18("3","2","1","9","4","4","1") = "8"
    & skf18("3","2","1","9","4","5","1") = "8"
    & skf18("3","2","1","9","4","6","1") = "8"
    & skf18("3","2","1","9","4","7","1") = "8"
    & skf18("3","2","1","9","4","8","1") = "8"
    & skf18("3","2","1","9","4","9","1") = "8"
    & skf18("3","2","1","9","4","10","1") = "9"
    & skf18("3","2","1","9","5","1","1") = "8"
    & skf18("3","2","1","9","5","2","1") = "8"
    & skf18("3","2","1","9","5","3","1") = "8"
    & skf18("3","2","1","9","5","4","1") = "8"
    & skf18("3","2","1","9","5","5","1") = "8"
    & skf18("3","2","1","9","5","6","1") = "8"
    & skf18("3","2","1","9","5","7","1") = "8"
    & skf18("3","2","1","9","5","8","1") = "8"
    & skf18("3","2","1","9","5","9","1") = "8"
    & skf18("3","2","1","9","5","10","1") = "9"
    & skf18("3","2","1","9","6","1","1") = "8"
    & skf18("3","2","1","9","6","2","1") = "8"
    & skf18("3","2","1","9","6","3","1") = "8"
    & skf18("3","2","1","9","6","4","1") = "8"
    & skf18("3","2","1","9","6","5","1") = "8"
    & skf18("3","2","1","9","6","6","1") = "8"
    & skf18("3","2","1","9","6","7","1") = "8"
    & skf18("3","2","1","9","6","8","1") = "8"
    & skf18("3","2","1","9","6","9","1") = "8"
    & skf18("3","2","1","9","6","10","1") = "9"
    & skf18("3","2","1","9","7","1","1") = "8"
    & skf18("3","2","1","9","7","2","1") = "8"
    & skf18("3","2","1","9","7","3","1") = "8"
    & skf18("3","2","1","9","7","4","1") = "8"
    & skf18("3","2","1","9","7","5","1") = "8"
    & skf18("3","2","1","9","7","6","1") = "8"
    & skf18("3","2","1","9","7","7","1") = "8"
    & skf18("3","2","1","9","7","8","1") = "8"
    & skf18("3","2","1","9","7","9","1") = "8"
    & skf18("3","2","1","9","7","10","1") = "9"
    & skf18("3","2","1","9","8","1","1") = "8"
    & skf18("3","2","1","9","8","2","1") = "8"
    & skf18("3","2","1","9","8","3","1") = "8"
    & skf18("3","2","1","9","8","4","1") = "8"
    & skf18("3","2","1","9","8","5","1") = "8"
    & skf18("3","2","1","9","8","6","1") = "8"
    & skf18("3","2","1","9","8","7","1") = "8"
    & skf18("3","2","1","9","8","8","1") = "8"
    & skf18("3","2","1","9","8","9","1") = "8"
    & skf18("3","2","1","9","8","10","1") = "9"
    & skf18("3","2","1","9","9","1","1") = "8"
    & skf18("3","2","1","9","9","2","1") = "8"
    & skf18("3","2","1","9","9","3","1") = "8"
    & skf18("3","2","1","9","9","4","1") = "8"
    & skf18("3","2","1","9","9","5","1") = "8"
    & skf18("3","2","1","9","9","6","1") = "8"
    & skf18("3","2","1","9","9","7","1") = "8"
    & skf18("3","2","1","9","9","8","1") = "8"
    & skf18("3","2","1","9","9","9","1") = "8"
    & skf18("3","2","1","9","9","10","1") = "9"
    & skf18("3","2","1","9","10","1","1") = "9"
    & skf18("3","2","1","9","10","2","1") = "9"
    & skf18("3","2","1","9","10","3","1") = "9"
    & skf18("3","2","1","9","10","4","1") = "9"
    & skf18("3","2","1","9","10","5","1") = "9"
    & skf18("3","2","1","9","10","6","1") = "9"
    & skf18("3","2","1","9","10","7","1") = "9"
    & skf18("3","2","1","9","10","8","1") = "9"
    & skf18("3","2","1","9","10","9","1") = "9"
    & skf18("3","2","1","9","10","10","1") = "9"
    & skf18("3","2","1","10","1","1","1") = "9"
    & skf18("3","2","1","10","1","2","1") = "9"
    & skf18("3","2","1","10","1","3","1") = "9"
    & skf18("3","2","1","10","1","4","1") = "9"
    & skf18("3","2","1","10","1","5","1") = "9"
    & skf18("3","2","1","10","1","6","1") = "9"
    & skf18("3","2","1","10","1","7","1") = "9"
    & skf18("3","2","1","10","1","8","1") = "9"
    & skf18("3","2","1","10","1","9","1") = "9"
    & skf18("3","2","1","10","1","10","1") = "9"
    & skf18("3","2","1","10","2","1","1") = "9"
    & skf18("3","2","1","10","2","2","1") = "9"
    & skf18("3","2","1","10","2","3","1") = "9"
    & skf18("3","2","1","10","2","4","1") = "9"
    & skf18("3","2","1","10","2","5","1") = "9"
    & skf18("3","2","1","10","2","6","1") = "9"
    & skf18("3","2","1","10","2","7","1") = "9"
    & skf18("3","2","1","10","2","8","1") = "9"
    & skf18("3","2","1","10","2","9","1") = "9"
    & skf18("3","2","1","10","2","10","1") = "9"
    & skf18("3","2","1","10","3","1","1") = "9"
    & skf18("3","2","1","10","3","2","1") = "9"
    & skf18("3","2","1","10","3","3","1") = "9"
    & skf18("3","2","1","10","3","4","1") = "9"
    & skf18("3","2","1","10","3","5","1") = "9"
    & skf18("3","2","1","10","3","6","1") = "9"
    & skf18("3","2","1","10","3","7","1") = "9"
    & skf18("3","2","1","10","3","8","1") = "9"
    & skf18("3","2","1","10","3","9","1") = "9"
    & skf18("3","2","1","10","3","10","1") = "9"
    & skf18("3","2","1","10","4","1","1") = "9"
    & skf18("3","2","1","10","4","2","1") = "9"
    & skf18("3","2","1","10","4","3","1") = "9"
    & skf18("3","2","1","10","4","4","1") = "9"
    & skf18("3","2","1","10","4","5","1") = "9"
    & skf18("3","2","1","10","4","6","1") = "9"
    & skf18("3","2","1","10","4","7","1") = "9"
    & skf18("3","2","1","10","4","8","1") = "9"
    & skf18("3","2","1","10","4","9","1") = "9"
    & skf18("3","2","1","10","4","10","1") = "9"
    & skf18("3","2","1","10","5","1","1") = "9"
    & skf18("3","2","1","10","5","2","1") = "9"
    & skf18("3","2","1","10","5","3","1") = "9"
    & skf18("3","2","1","10","5","4","1") = "9"
    & skf18("3","2","1","10","5","5","1") = "9"
    & skf18("3","2","1","10","5","6","1") = "9"
    & skf18("3","2","1","10","5","7","1") = "9"
    & skf18("3","2","1","10","5","8","1") = "9"
    & skf18("3","2","1","10","5","9","1") = "9"
    & skf18("3","2","1","10","5","10","1") = "9"
    & skf18("3","2","1","10","6","1","1") = "9"
    & skf18("3","2","1","10","6","2","1") = "9"
    & skf18("3","2","1","10","6","3","1") = "9"
    & skf18("3","2","1","10","6","4","1") = "9"
    & skf18("3","2","1","10","6","5","1") = "9"
    & skf18("3","2","1","10","6","6","1") = "9"
    & skf18("3","2","1","10","6","7","1") = "9"
    & skf18("3","2","1","10","6","8","1") = "9"
    & skf18("3","2","1","10","6","9","1") = "9"
    & skf18("3","2","1","10","6","10","1") = "9"
    & skf18("3","2","1","10","7","1","1") = "9"
    & skf18("3","2","1","10","7","2","1") = "9"
    & skf18("3","2","1","10","7","3","1") = "9"
    & skf18("3","2","1","10","7","4","1") = "9"
    & skf18("3","2","1","10","7","5","1") = "9"
    & skf18("3","2","1","10","7","6","1") = "9"
    & skf18("3","2","1","10","7","7","1") = "9"
    & skf18("3","2","1","10","7","8","1") = "9"
    & skf18("3","2","1","10","7","9","1") = "9"
    & skf18("3","2","1","10","7","10","1") = "9"
    & skf18("3","2","1","10","8","1","1") = "9"
    & skf18("3","2","1","10","8","2","1") = "9"
    & skf18("3","2","1","10","8","3","1") = "9"
    & skf18("3","2","1","10","8","4","1") = "9"
    & skf18("3","2","1","10","8","5","1") = "9"
    & skf18("3","2","1","10","8","6","1") = "9"
    & skf18("3","2","1","10","8","7","1") = "9"
    & skf18("3","2","1","10","8","8","1") = "9"
    & skf18("3","2","1","10","8","9","1") = "9"
    & skf18("3","2","1","10","8","10","1") = "9"
    & skf18("3","2","1","10","9","1","1") = "9"
    & skf18("3","2","1","10","9","2","1") = "9"
    & skf18("3","2","1","10","9","3","1") = "9"
    & skf18("3","2","1","10","9","4","1") = "9"
    & skf18("3","2","1","10","9","5","1") = "9"
    & skf18("3","2","1","10","9","6","1") = "9"
    & skf18("3","2","1","10","9","7","1") = "9"
    & skf18("3","2","1","10","9","8","1") = "9"
    & skf18("3","2","1","10","9","9","1") = "9"
    & skf18("3","2","1","10","9","10","1") = "9"
    & skf18("3","2","1","10","10","1","1") = "9"
    & skf18("3","2","1","10","10","2","1") = "9"
    & skf18("3","2","1","10","10","3","1") = "9"
    & skf18("3","2","1","10","10","4","1") = "9"
    & skf18("3","2","1","10","10","5","1") = "9"
    & skf18("3","2","1","10","10","6","1") = "9"
    & skf18("3","2","1","10","10","7","1") = "9"
    & skf18("3","2","1","10","10","8","1") = "9"
    & skf18("3","2","1","10","10","9","1") = "9"
    & skf18("3","2","1","10","10","10","1") = "9"
    & skf18("3","2","2","1","1","1","1") = "2"
    & skf18("3","2","2","1","1","2","1") = "2"
    & skf18("3","2","2","1","1","3","1") = "2"
    & skf18("3","2","2","1","1","4","1") = "3"
    & skf18("3","2","2","1","1","5","1") = "4"
    & skf18("3","2","2","1","1","6","1") = "5"
    & skf18("3","2","2","1","1","7","1") = "6"
    & skf18("3","2","2","1","1","8","1") = "7"
    & skf18("3","2","2","1","1","9","1") = "8"
    & skf18("3","2","2","1","1","10","1") = "9"
    & skf18("3","2","2","1","2","1","1") = "2"
    & skf18("3","2","2","1","2","2","1") = "2"
    & skf18("3","2","2","1","2","3","1") = "2"
    & skf18("3","2","2","1","2","4","1") = "3"
    & skf18("3","2","2","1","2","5","1") = "4"
    & skf18("3","2","2","1","2","6","1") = "5"
    & skf18("3","2","2","1","2","7","1") = "6"
    & skf18("3","2","2","1","2","8","1") = "7"
    & skf18("3","2","2","1","2","9","1") = "8"
    & skf18("3","2","2","1","2","10","1") = "9"
    & skf18("3","2","2","1","3","1","1") = "2"
    & skf18("3","2","2","1","3","2","1") = "2"
    & skf18("3","2","2","1","3","3","1") = "3"
    & skf18("3","2","2","1","3","4","1") = "3"
    & skf18("3","2","2","1","3","5","1") = "4"
    & skf18("3","2","2","1","3","6","1") = "5"
    & skf18("3","2","2","1","3","7","1") = "6"
    & skf18("3","2","2","1","3","8","1") = "7"
    & skf18("3","2","2","1","3","9","1") = "8"
    & skf18("3","2","2","1","3","10","1") = "9"
    & skf18("3","2","2","1","4","1","1") = "3"
    & skf18("3","2","2","1","4","2","1") = "3"
    & skf18("3","2","2","1","4","3","1") = "3"
    & skf18("3","2","2","1","4","4","1") = "3"
    & skf18("3","2","2","1","4","5","1") = "4"
    & skf18("3","2","2","1","4","6","1") = "5"
    & skf18("3","2","2","1","4","7","1") = "6"
    & skf18("3","2","2","1","4","8","1") = "7"
    & skf18("3","2","2","1","4","9","1") = "8"
    & skf18("3","2","2","1","4","10","1") = "9"
    & skf18("3","2","2","1","5","1","1") = "4"
    & skf18("3","2","2","1","5","2","1") = "4"
    & skf18("3","2","2","1","5","3","1") = "4"
    & skf18("3","2","2","1","5","4","1") = "4"
    & skf18("3","2","2","1","5","5","1") = "4"
    & skf18("3","2","2","1","5","6","1") = "5"
    & skf18("3","2","2","1","5","7","1") = "6"
    & skf18("3","2","2","1","5","8","1") = "7"
    & skf18("3","2","2","1","5","9","1") = "8"
    & skf18("3","2","2","1","5","10","1") = "9"
    & skf18("3","2","2","1","6","1","1") = "5"
    & skf18("3","2","2","1","6","2","1") = "5"
    & skf18("3","2","2","1","6","3","1") = "5"
    & skf18("3","2","2","1","6","4","1") = "5"
    & skf18("3","2","2","1","6","5","1") = "5"
    & skf18("3","2","2","1","6","6","1") = "5"
    & skf18("3","2","2","1","6","7","1") = "6"
    & skf18("3","2","2","1","6","8","1") = "7"
    & skf18("3","2","2","1","6","9","1") = "8"
    & skf18("3","2","2","1","6","10","1") = "9"
    & skf18("3","2","2","1","7","1","1") = "6"
    & skf18("3","2","2","1","7","2","1") = "6"
    & skf18("3","2","2","1","7","3","1") = "6"
    & skf18("3","2","2","1","7","4","1") = "6"
    & skf18("3","2","2","1","7","5","1") = "6"
    & skf18("3","2","2","1","7","6","1") = "6"
    & skf18("3","2","2","1","7","7","1") = "6"
    & skf18("3","2","2","1","7","8","1") = "7"
    & skf18("3","2","2","1","7","9","1") = "8"
    & skf18("3","2","2","1","7","10","1") = "9"
    & skf18("3","2","2","1","8","1","1") = "7"
    & skf18("3","2","2","1","8","2","1") = "7"
    & skf18("3","2","2","1","8","3","1") = "7"
    & skf18("3","2","2","1","8","4","1") = "7"
    & skf18("3","2","2","1","8","5","1") = "7"
    & skf18("3","2","2","1","8","6","1") = "7"
    & skf18("3","2","2","1","8","7","1") = "7"
    & skf18("3","2","2","1","8","8","1") = "7"
    & skf18("3","2","2","1","8","9","1") = "8"
    & skf18("3","2","2","1","8","10","1") = "9"
    & skf18("3","2","2","1","9","1","1") = "8"
    & skf18("3","2","2","1","9","2","1") = "8"
    & skf18("3","2","2","1","9","3","1") = "8"
    & skf18("3","2","2","1","9","4","1") = "8"
    & skf18("3","2","2","1","9","5","1") = "8"
    & skf18("3","2","2","1","9","6","1") = "8"
    & skf18("3","2","2","1","9","7","1") = "8"
    & skf18("3","2","2","1","9","8","1") = "8"
    & skf18("3","2","2","1","9","9","1") = "8"
    & skf18("3","2","2","1","9","10","1") = "9"
    & skf18("3","2","2","1","10","1","1") = "9"
    & skf18("3","2","2","1","10","2","1") = "9"
    & skf18("3","2","2","1","10","3","1") = "9"
    & skf18("3","2","2","1","10","4","1") = "9"
    & skf18("3","2","2","1","10","5","1") = "9"
    & skf18("3","2","2","1","10","6","1") = "9"
    & skf18("3","2","2","1","10","7","1") = "9"
    & skf18("3","2","2","1","10","8","1") = "9"
    & skf18("3","2","2","1","10","9","1") = "9"
    & skf18("3","2","2","1","10","10","1") = "9"
    & skf18("3","2","2","2","1","1","1") = "2"
    & skf18("3","2","2","2","1","2","1") = "2"
    & skf18("3","2","2","2","1","3","1") = "2"
    & skf18("3","2","2","2","1","4","1") = "3"
    & skf18("3","2","2","2","1","5","1") = "4"
    & skf18("3","2","2","2","1","6","1") = "5"
    & skf18("3","2","2","2","1","7","1") = "6"
    & skf18("3","2","2","2","1","8","1") = "7"
    & skf18("3","2","2","2","1","9","1") = "8"
    & skf18("3","2","2","2","1","10","1") = "9"
    & skf18("3","2","2","2","2","1","1") = "2"
    & skf18("3","2","2","2","2","2","1") = "2"
    & skf18("3","2","2","2","2","3","1") = "2"
    & skf18("3","2","2","2","2","4","1") = "3"
    & skf18("3","2","2","2","2","5","1") = "4"
    & skf18("3","2","2","2","2","6","1") = "5"
    & skf18("3","2","2","2","2","7","1") = "6"
    & skf18("3","2","2","2","2","8","1") = "7"
    & skf18("3","2","2","2","2","9","1") = "8"
    & skf18("3","2","2","2","2","10","1") = "9"
    & skf18("3","2","2","2","3","1","1") = "2"
    & skf18("3","2","2","2","3","2","1") = "2"
    & skf18("3","2","2","2","3","3","1") = "2"
    & skf18("3","2","2","2","3","4","1") = "3"
    & skf18("3","2","2","2","3","5","1") = "4"
    & skf18("3","2","2","2","3","6","1") = "5"
    & skf18("3","2","2","2","3","7","1") = "6"
    & skf18("3","2","2","2","3","8","1") = "7"
    & skf18("3","2","2","2","3","9","1") = "8"
    & skf18("3","2","2","2","3","10","1") = "9"
    & skf18("3","2","2","2","4","1","1") = "3"
    & skf18("3","2","2","2","4","2","1") = "3"
    & skf18("3","2","2","2","4","3","1") = "3"
    & skf18("3","2","2","2","4","4","1") = "3"
    & skf18("3","2","2","2","4","5","1") = "4"
    & skf18("3","2","2","2","4","6","1") = "5"
    & skf18("3","2","2","2","4","7","1") = "6"
    & skf18("3","2","2","2","4","8","1") = "7"
    & skf18("3","2","2","2","4","9","1") = "8"
    & skf18("3","2","2","2","4","10","1") = "9"
    & skf18("3","2","2","2","5","1","1") = "4"
    & skf18("3","2","2","2","5","2","1") = "4"
    & skf18("3","2","2","2","5","3","1") = "4"
    & skf18("3","2","2","2","5","4","1") = "4"
    & skf18("3","2","2","2","5","5","1") = "4"
    & skf18("3","2","2","2","5","6","1") = "5"
    & skf18("3","2","2","2","5","7","1") = "6"
    & skf18("3","2","2","2","5","8","1") = "7"
    & skf18("3","2","2","2","5","9","1") = "8"
    & skf18("3","2","2","2","5","10","1") = "9"
    & skf18("3","2","2","2","6","1","1") = "5"
    & skf18("3","2","2","2","6","2","1") = "5"
    & skf18("3","2","2","2","6","3","1") = "5"
    & skf18("3","2","2","2","6","4","1") = "5"
    & skf18("3","2","2","2","6","5","1") = "5"
    & skf18("3","2","2","2","6","6","1") = "5"
    & skf18("3","2","2","2","6","7","1") = "6"
    & skf18("3","2","2","2","6","8","1") = "7"
    & skf18("3","2","2","2","6","9","1") = "8"
    & skf18("3","2","2","2","6","10","1") = "9"
    & skf18("3","2","2","2","7","1","1") = "6"
    & skf18("3","2","2","2","7","2","1") = "6"
    & skf18("3","2","2","2","7","3","1") = "6"
    & skf18("3","2","2","2","7","4","1") = "6"
    & skf18("3","2","2","2","7","5","1") = "6"
    & skf18("3","2","2","2","7","6","1") = "6"
    & skf18("3","2","2","2","7","7","1") = "6"
    & skf18("3","2","2","2","7","8","1") = "7"
    & skf18("3","2","2","2","7","9","1") = "8"
    & skf18("3","2","2","2","7","10","1") = "9"
    & skf18("3","2","2","2","8","1","1") = "7"
    & skf18("3","2","2","2","8","2","1") = "7"
    & skf18("3","2","2","2","8","3","1") = "7"
    & skf18("3","2","2","2","8","4","1") = "7"
    & skf18("3","2","2","2","8","5","1") = "7"
    & skf18("3","2","2","2","8","6","1") = "7"
    & skf18("3","2","2","2","8","7","1") = "7"
    & skf18("3","2","2","2","8","8","1") = "7"
    & skf18("3","2","2","2","8","9","1") = "8"
    & skf18("3","2","2","2","8","10","1") = "9"
    & skf18("3","2","2","2","9","1","1") = "8"
    & skf18("3","2","2","2","9","2","1") = "8"
    & skf18("3","2","2","2","9","3","1") = "8"
    & skf18("3","2","2","2","9","4","1") = "8"
    & skf18("3","2","2","2","9","5","1") = "8"
    & skf18("3","2","2","2","9","6","1") = "8"
    & skf18("3","2","2","2","9","7","1") = "8"
    & skf18("3","2","2","2","9","8","1") = "8"
    & skf18("3","2","2","2","9","9","1") = "8"
    & skf18("3","2","2","2","9","10","1") = "9"
    & skf18("3","2","2","2","10","1","1") = "9"
    & skf18("3","2","2","2","10","2","1") = "9"
    & skf18("3","2","2","2","10","3","1") = "9"
    & skf18("3","2","2","2","10","4","1") = "9"
    & skf18("3","2","2","2","10","5","1") = "9"
    & skf18("3","2","2","2","10","6","1") = "9"
    & skf18("3","2","2","2","10","7","1") = "9"
    & skf18("3","2","2","2","10","8","1") = "9"
    & skf18("3","2","2","2","10","9","1") = "9"
    & skf18("3","2","2","2","10","10","1") = "9"
    & skf18("3","2","2","3","1","1","1") = "2"
    & skf18("3","2","2","3","1","2","1") = "2"
    & skf18("3","2","2","3","1","3","1") = "2"
    & skf18("3","2","2","3","1","4","1") = "3"
    & skf18("3","2","2","3","1","5","1") = "4"
    & skf18("3","2","2","3","1","6","1") = "5"
    & skf18("3","2","2","3","1","7","1") = "6"
    & skf18("3","2","2","3","1","8","1") = "7"
    & skf18("3","2","2","3","1","9","1") = "8"
    & skf18("3","2","2","3","1","10","1") = "9"
    & skf18("3","2","2","3","2","1","1") = "1"
    & skf18("3","2","2","3","2","2","1") = "2"
    & skf18("3","2","2","3","2","3","1") = "2"
    & skf18("3","2","2","3","2","4","1") = "3"
    & skf18("3","2","2","3","2","5","1") = "4"
    & skf18("3","2","2","3","2","6","1") = "5"
    & skf18("3","2","2","3","2","7","1") = "6"
    & skf18("3","2","2","3","2","8","1") = "7"
    & skf18("3","2","2","3","2","9","1") = "8"
    & skf18("3","2","2","3","2","10","1") = "9"
    & skf18("3","2","2","3","3","1","1") = "2"
    & skf18("3","2","2","3","3","2","1") = "2"
    & skf18("3","2","2","3","3","3","1") = "2"
    & skf18("3","2","2","3","3","4","1") = "3"
    & skf18("3","2","2","3","3","5","1") = "4"
    & skf18("3","2","2","3","3","6","1") = "5"
    & skf18("3","2","2","3","3","7","1") = "6"
    & skf18("3","2","2","3","3","8","1") = "7"
    & skf18("3","2","2","3","3","9","1") = "8"
    & skf18("3","2","2","3","3","10","1") = "9"
    & skf18("3","2","2","3","4","1","1") = "3"
    & skf18("3","2","2","3","4","2","1") = "3"
    & skf18("3","2","2","3","4","3","1") = "3"
    & skf18("3","2","2","3","4","4","1") = "3"
    & skf18("3","2","2","3","4","5","1") = "4"
    & skf18("3","2","2","3","4","6","1") = "5"
    & skf18("3","2","2","3","4","7","1") = "6"
    & skf18("3","2","2","3","4","8","1") = "7"
    & skf18("3","2","2","3","4","9","1") = "8"
    & skf18("3","2","2","3","4","10","1") = "9"
    & skf18("3","2","2","3","5","1","1") = "4"
    & skf18("3","2","2","3","5","2","1") = "4"
    & skf18("3","2","2","3","5","3","1") = "4"
    & skf18("3","2","2","3","5","4","1") = "4"
    & skf18("3","2","2","3","5","5","1") = "4"
    & skf18("3","2","2","3","5","6","1") = "5"
    & skf18("3","2","2","3","5","7","1") = "6"
    & skf18("3","2","2","3","5","8","1") = "7"
    & skf18("3","2","2","3","5","9","1") = "8"
    & skf18("3","2","2","3","5","10","1") = "9"
    & skf18("3","2","2","3","6","1","1") = "5"
    & skf18("3","2","2","3","6","2","1") = "5"
    & skf18("3","2","2","3","6","3","1") = "5"
    & skf18("3","2","2","3","6","4","1") = "5"
    & skf18("3","2","2","3","6","5","1") = "5"
    & skf18("3","2","2","3","6","6","1") = "5"
    & skf18("3","2","2","3","6","7","1") = "6"
    & skf18("3","2","2","3","6","8","1") = "7"
    & skf18("3","2","2","3","6","9","1") = "8"
    & skf18("3","2","2","3","6","10","1") = "9"
    & skf18("3","2","2","3","7","1","1") = "6"
    & skf18("3","2","2","3","7","2","1") = "6"
    & skf18("3","2","2","3","7","3","1") = "6"
    & skf18("3","2","2","3","7","4","1") = "6"
    & skf18("3","2","2","3","7","5","1") = "6"
    & skf18("3","2","2","3","7","6","1") = "6"
    & skf18("3","2","2","3","7","7","1") = "6"
    & skf18("3","2","2","3","7","8","1") = "7"
    & skf18("3","2","2","3","7","9","1") = "8"
    & skf18("3","2","2","3","7","10","1") = "9"
    & skf18("3","2","2","3","8","1","1") = "7"
    & skf18("3","2","2","3","8","2","1") = "7"
    & skf18("3","2","2","3","8","3","1") = "7"
    & skf18("3","2","2","3","8","4","1") = "7"
    & skf18("3","2","2","3","8","5","1") = "7"
    & skf18("3","2","2","3","8","6","1") = "7"
    & skf18("3","2","2","3","8","7","1") = "7"
    & skf18("3","2","2","3","8","8","1") = "7"
    & skf18("3","2","2","3","8","9","1") = "8"
    & skf18("3","2","2","3","8","10","1") = "9"
    & skf18("3","2","2","3","9","1","1") = "8"
    & skf18("3","2","2","3","9","2","1") = "8"
    & skf18("3","2","2","3","9","3","1") = "8"
    & skf18("3","2","2","3","9","4","1") = "8"
    & skf18("3","2","2","3","9","5","1") = "8"
    & skf18("3","2","2","3","9","6","1") = "8"
    & skf18("3","2","2","3","9","7","1") = "8"
    & skf18("3","2","2","3","9","8","1") = "8"
    & skf18("3","2","2","3","9","9","1") = "8"
    & skf18("3","2","2","3","9","10","1") = "9"
    & skf18("3","2","2","3","10","1","1") = "9"
    & skf18("3","2","2","3","10","2","1") = "9"
    & skf18("3","2","2","3","10","3","1") = "9"
    & skf18("3","2","2","3","10","4","1") = "9"
    & skf18("3","2","2","3","10","5","1") = "9"
    & skf18("3","2","2","3","10","6","1") = "9"
    & skf18("3","2","2","3","10","7","1") = "9"
    & skf18("3","2","2","3","10","8","1") = "9"
    & skf18("3","2","2","3","10","9","1") = "9"
    & skf18("3","2","2","3","10","10","1") = "9"
    & skf18("3","2","2","4","1","1","1") = "3"
    & skf18("3","2","2","4","1","2","1") = "3"
    & skf18("3","2","2","4","1","3","1") = "3"
    & skf18("3","2","2","4","1","4","1") = "3"
    & skf18("3","2","2","4","1","5","1") = "4"
    & skf18("3","2","2","4","1","6","1") = "5"
    & skf18("3","2","2","4","1","7","1") = "6"
    & skf18("3","2","2","4","1","8","1") = "7"
    & skf18("3","2","2","4","1","9","1") = "8"
    & skf18("3","2","2","4","1","10","1") = "9"
    & skf18("3","2","2","4","2","1","1") = "3"
    & skf18("3","2","2","4","2","2","1") = "3"
    & skf18("3","2","2","4","2","3","1") = "3"
    & skf18("3","2","2","4","2","4","1") = "3"
    & skf18("3","2","2","4","2","5","1") = "4"
    & skf18("3","2","2","4","2","6","1") = "5"
    & skf18("3","2","2","4","2","7","1") = "6"
    & skf18("3","2","2","4","2","8","1") = "7"
    & skf18("3","2","2","4","2","9","1") = "8"
    & skf18("3","2","2","4","2","10","1") = "9"
    & skf18("3","2","2","4","3","1","1") = "3"
    & skf18("3","2","2","4","3","2","1") = "3"
    & skf18("3","2","2","4","3","3","1") = "3"
    & skf18("3","2","2","4","3","4","1") = "3"
    & skf18("3","2","2","4","3","5","1") = "4"
    & skf18("3","2","2","4","3","6","1") = "5"
    & skf18("3","2","2","4","3","7","1") = "6"
    & skf18("3","2","2","4","3","8","1") = "7"
    & skf18("3","2","2","4","3","9","1") = "8"
    & skf18("3","2","2","4","3","10","1") = "9"
    & skf18("3","2","2","4","4","1","1") = "3"
    & skf18("3","2","2","4","4","2","1") = "3"
    & skf18("3","2","2","4","4","3","1") = "3"
    & skf18("3","2","2","4","4","4","1") = "3"
    & skf18("3","2","2","4","4","5","1") = "4"
    & skf18("3","2","2","4","4","6","1") = "5"
    & skf18("3","2","2","4","4","7","1") = "6"
    & skf18("3","2","2","4","4","8","1") = "7"
    & skf18("3","2","2","4","4","9","1") = "8"
    & skf18("3","2","2","4","4","10","1") = "9"
    & skf18("3","2","2","4","5","1","1") = "4"
    & skf18("3","2","2","4","5","2","1") = "4"
    & skf18("3","2","2","4","5","3","1") = "4"
    & skf18("3","2","2","4","5","4","1") = "4"
    & skf18("3","2","2","4","5","5","1") = "4"
    & skf18("3","2","2","4","5","6","1") = "5"
    & skf18("3","2","2","4","5","7","1") = "6"
    & skf18("3","2","2","4","5","8","1") = "7"
    & skf18("3","2","2","4","5","9","1") = "8"
    & skf18("3","2","2","4","5","10","1") = "9"
    & skf18("3","2","2","4","6","1","1") = "5"
    & skf18("3","2","2","4","6","2","1") = "5"
    & skf18("3","2","2","4","6","3","1") = "5"
    & skf18("3","2","2","4","6","4","1") = "5"
    & skf18("3","2","2","4","6","5","1") = "5"
    & skf18("3","2","2","4","6","6","1") = "5"
    & skf18("3","2","2","4","6","7","1") = "6"
    & skf18("3","2","2","4","6","8","1") = "7"
    & skf18("3","2","2","4","6","9","1") = "8"
    & skf18("3","2","2","4","6","10","1") = "9"
    & skf18("3","2","2","4","7","1","1") = "6"
    & skf18("3","2","2","4","7","2","1") = "6"
    & skf18("3","2","2","4","7","3","1") = "6"
    & skf18("3","2","2","4","7","4","1") = "6"
    & skf18("3","2","2","4","7","5","1") = "6"
    & skf18("3","2","2","4","7","6","1") = "6"
    & skf18("3","2","2","4","7","7","1") = "6"
    & skf18("3","2","2","4","7","8","1") = "7"
    & skf18("3","2","2","4","7","9","1") = "8"
    & skf18("3","2","2","4","7","10","1") = "9"
    & skf18("3","2","2","4","8","1","1") = "7"
    & skf18("3","2","2","4","8","2","1") = "7"
    & skf18("3","2","2","4","8","3","1") = "7"
    & skf18("3","2","2","4","8","4","1") = "7"
    & skf18("3","2","2","4","8","5","1") = "7"
    & skf18("3","2","2","4","8","6","1") = "7"
    & skf18("3","2","2","4","8","7","1") = "7"
    & skf18("3","2","2","4","8","8","1") = "7"
    & skf18("3","2","2","4","8","9","1") = "8"
    & skf18("3","2","2","4","8","10","1") = "9"
    & skf18("3","2","2","4","9","1","1") = "8"
    & skf18("3","2","2","4","9","2","1") = "8"
    & skf18("3","2","2","4","9","3","1") = "8"
    & skf18("3","2","2","4","9","4","1") = "8"
    & skf18("3","2","2","4","9","5","1") = "8"
    & skf18("3","2","2","4","9","6","1") = "8"
    & skf18("3","2","2","4","9","7","1") = "8"
    & skf18("3","2","2","4","9","8","1") = "8"
    & skf18("3","2","2","4","9","9","1") = "8"
    & skf18("3","2","2","4","9","10","1") = "9"
    & skf18("3","2","2","4","10","1","1") = "9"
    & skf18("3","2","2","4","10","2","1") = "9"
    & skf18("3","2","2","4","10","3","1") = "9"
    & skf18("3","2","2","4","10","4","1") = "9"
    & skf18("3","2","2","4","10","5","1") = "9"
    & skf18("3","2","2","4","10","6","1") = "9"
    & skf18("3","2","2","4","10","7","1") = "9"
    & skf18("3","2","2","4","10","8","1") = "9"
    & skf18("3","2","2","4","10","9","1") = "9"
    & skf18("3","2","2","4","10","10","1") = "9"
    & skf18("3","2","2","5","1","1","1") = "4"
    & skf18("3","2","2","5","1","2","1") = "4"
    & skf18("3","2","2","5","1","3","1") = "4"
    & skf18("3","2","2","5","1","4","1") = "4"
    & skf18("3","2","2","5","1","5","1") = "4"
    & skf18("3","2","2","5","1","6","1") = "5"
    & skf18("3","2","2","5","1","7","1") = "6"
    & skf18("3","2","2","5","1","8","1") = "7"
    & skf18("3","2","2","5","1","9","1") = "8"
    & skf18("3","2","2","5","1","10","1") = "9"
    & skf18("3","2","2","5","2","1","1") = "4"
    & skf18("3","2","2","5","2","2","1") = "4"
    & skf18("3","2","2","5","2","3","1") = "4"
    & skf18("3","2","2","5","2","4","1") = "4"
    & skf18("3","2","2","5","2","5","1") = "4"
    & skf18("3","2","2","5","2","6","1") = "5"
    & skf18("3","2","2","5","2","7","1") = "6"
    & skf18("3","2","2","5","2","8","1") = "7"
    & skf18("3","2","2","5","2","9","1") = "8"
    & skf18("3","2","2","5","2","10","1") = "9"
    & skf18("3","2","2","5","3","1","1") = "4"
    & skf18("3","2","2","5","3","2","1") = "4"
    & skf18("3","2","2","5","3","3","1") = "4"
    & skf18("3","2","2","5","3","4","1") = "4"
    & skf18("3","2","2","5","3","5","1") = "4"
    & skf18("3","2","2","5","3","6","1") = "5"
    & skf18("3","2","2","5","3","7","1") = "6"
    & skf18("3","2","2","5","3","8","1") = "7"
    & skf18("3","2","2","5","3","9","1") = "8"
    & skf18("3","2","2","5","3","10","1") = "9"
    & skf18("3","2","2","5","4","1","1") = "4"
    & skf18("3","2","2","5","4","2","1") = "4"
    & skf18("3","2","2","5","4","3","1") = "4"
    & skf18("3","2","2","5","4","4","1") = "4"
    & skf18("3","2","2","5","4","5","1") = "4"
    & skf18("3","2","2","5","4","6","1") = "5"
    & skf18("3","2","2","5","4","7","1") = "6"
    & skf18("3","2","2","5","4","8","1") = "7"
    & skf18("3","2","2","5","4","9","1") = "8"
    & skf18("3","2","2","5","4","10","1") = "9"
    & skf18("3","2","2","5","5","1","1") = "4"
    & skf18("3","2","2","5","5","2","1") = "4"
    & skf18("3","2","2","5","5","3","1") = "4"
    & skf18("3","2","2","5","5","4","1") = "4"
    & skf18("3","2","2","5","5","5","1") = "4"
    & skf18("3","2","2","5","5","6","1") = "5"
    & skf18("3","2","2","5","5","7","1") = "6"
    & skf18("3","2","2","5","5","8","1") = "7"
    & skf18("3","2","2","5","5","9","1") = "8"
    & skf18("3","2","2","5","5","10","1") = "9"
    & skf18("3","2","2","5","6","1","1") = "5"
    & skf18("3","2","2","5","6","2","1") = "5"
    & skf18("3","2","2","5","6","3","1") = "5"
    & skf18("3","2","2","5","6","4","1") = "5"
    & skf18("3","2","2","5","6","5","1") = "5"
    & skf18("3","2","2","5","6","6","1") = "5"
    & skf18("3","2","2","5","6","7","1") = "6"
    & skf18("3","2","2","5","6","8","1") = "7"
    & skf18("3","2","2","5","6","9","1") = "8"
    & skf18("3","2","2","5","6","10","1") = "9"
    & skf18("3","2","2","5","7","1","1") = "6"
    & skf18("3","2","2","5","7","2","1") = "6"
    & skf18("3","2","2","5","7","3","1") = "6"
    & skf18("3","2","2","5","7","4","1") = "6"
    & skf18("3","2","2","5","7","5","1") = "6"
    & skf18("3","2","2","5","7","6","1") = "6"
    & skf18("3","2","2","5","7","7","1") = "6"
    & skf18("3","2","2","5","7","8","1") = "7"
    & skf18("3","2","2","5","7","9","1") = "8"
    & skf18("3","2","2","5","7","10","1") = "9"
    & skf18("3","2","2","5","8","1","1") = "7"
    & skf18("3","2","2","5","8","2","1") = "7"
    & skf18("3","2","2","5","8","3","1") = "7"
    & skf18("3","2","2","5","8","4","1") = "7"
    & skf18("3","2","2","5","8","5","1") = "7"
    & skf18("3","2","2","5","8","6","1") = "7"
    & skf18("3","2","2","5","8","7","1") = "7"
    & skf18("3","2","2","5","8","8","1") = "7"
    & skf18("3","2","2","5","8","9","1") = "8"
    & skf18("3","2","2","5","8","10","1") = "9"
    & skf18("3","2","2","5","9","1","1") = "8"
    & skf18("3","2","2","5","9","2","1") = "8"
    & skf18("3","2","2","5","9","3","1") = "8"
    & skf18("3","2","2","5","9","4","1") = "8"
    & skf18("3","2","2","5","9","5","1") = "8"
    & skf18("3","2","2","5","9","6","1") = "8"
    & skf18("3","2","2","5","9","7","1") = "8"
    & skf18("3","2","2","5","9","8","1") = "8"
    & skf18("3","2","2","5","9","9","1") = "8"
    & skf18("3","2","2","5","9","10","1") = "9"
    & skf18("3","2","2","5","10","1","1") = "9"
    & skf18("3","2","2","5","10","2","1") = "9"
    & skf18("3","2","2","5","10","3","1") = "9"
    & skf18("3","2","2","5","10","4","1") = "9"
    & skf18("3","2","2","5","10","5","1") = "9"
    & skf18("3","2","2","5","10","6","1") = "9"
    & skf18("3","2","2","5","10","7","1") = "9"
    & skf18("3","2","2","5","10","8","1") = "9"
    & skf18("3","2","2","5","10","9","1") = "9"
    & skf18("3","2","2","5","10","10","1") = "9"
    & skf18("3","2","2","6","1","1","1") = "5"
    & skf18("3","2","2","6","1","2","1") = "5"
    & skf18("3","2","2","6","1","3","1") = "5"
    & skf18("3","2","2","6","1","4","1") = "5"
    & skf18("3","2","2","6","1","5","1") = "5"
    & skf18("3","2","2","6","1","6","1") = "5"
    & skf18("3","2","2","6","1","7","1") = "6"
    & skf18("3","2","2","6","1","8","1") = "7"
    & skf18("3","2","2","6","1","9","1") = "8"
    & skf18("3","2","2","6","1","10","1") = "9"
    & skf18("3","2","2","6","2","1","1") = "5"
    & skf18("3","2","2","6","2","2","1") = "5"
    & skf18("3","2","2","6","2","3","1") = "5"
    & skf18("3","2","2","6","2","4","1") = "5"
    & skf18("3","2","2","6","2","5","1") = "5"
    & skf18("3","2","2","6","2","6","1") = "5"
    & skf18("3","2","2","6","2","7","1") = "6"
    & skf18("3","2","2","6","2","8","1") = "7"
    & skf18("3","2","2","6","2","9","1") = "8"
    & skf18("3","2","2","6","2","10","1") = "9"
    & skf18("3","2","2","6","3","1","1") = "5"
    & skf18("3","2","2","6","3","2","1") = "5"
    & skf18("3","2","2","6","3","3","1") = "5"
    & skf18("3","2","2","6","3","4","1") = "5"
    & skf18("3","2","2","6","3","5","1") = "5"
    & skf18("3","2","2","6","3","6","1") = "5"
    & skf18("3","2","2","6","3","7","1") = "6"
    & skf18("3","2","2","6","3","8","1") = "7"
    & skf18("3","2","2","6","3","9","1") = "8"
    & skf18("3","2","2","6","3","10","1") = "9"
    & skf18("3","2","2","6","4","1","1") = "5"
    & skf18("3","2","2","6","4","2","1") = "5"
    & skf18("3","2","2","6","4","3","1") = "5"
    & skf18("3","2","2","6","4","4","1") = "5"
    & skf18("3","2","2","6","4","5","1") = "5"
    & skf18("3","2","2","6","4","6","1") = "5"
    & skf18("3","2","2","6","4","7","1") = "6"
    & skf18("3","2","2","6","4","8","1") = "7"
    & skf18("3","2","2","6","4","9","1") = "8"
    & skf18("3","2","2","6","4","10","1") = "9"
    & skf18("3","2","2","6","5","1","1") = "5"
    & skf18("3","2","2","6","5","2","1") = "5"
    & skf18("3","2","2","6","5","3","1") = "5"
    & skf18("3","2","2","6","5","4","1") = "5"
    & skf18("3","2","2","6","5","5","1") = "5"
    & skf18("3","2","2","6","5","6","1") = "5"
    & skf18("3","2","2","6","5","7","1") = "6"
    & skf18("3","2","2","6","5","8","1") = "7"
    & skf18("3","2","2","6","5","9","1") = "8"
    & skf18("3","2","2","6","5","10","1") = "9"
    & skf18("3","2","2","6","6","1","1") = "5"
    & skf18("3","2","2","6","6","2","1") = "5"
    & skf18("3","2","2","6","6","3","1") = "5"
    & skf18("3","2","2","6","6","4","1") = "5"
    & skf18("3","2","2","6","6","5","1") = "5"
    & skf18("3","2","2","6","6","6","1") = "5"
    & skf18("3","2","2","6","6","7","1") = "6"
    & skf18("3","2","2","6","6","8","1") = "7"
    & skf18("3","2","2","6","6","9","1") = "8"
    & skf18("3","2","2","6","6","10","1") = "9"
    & skf18("3","2","2","6","7","1","1") = "6"
    & skf18("3","2","2","6","7","2","1") = "6"
    & skf18("3","2","2","6","7","3","1") = "6"
    & skf18("3","2","2","6","7","4","1") = "6"
    & skf18("3","2","2","6","7","5","1") = "6"
    & skf18("3","2","2","6","7","6","1") = "6"
    & skf18("3","2","2","6","7","7","1") = "6"
    & skf18("3","2","2","6","7","8","1") = "7"
    & skf18("3","2","2","6","7","9","1") = "8"
    & skf18("3","2","2","6","7","10","1") = "9"
    & skf18("3","2","2","6","8","1","1") = "7"
    & skf18("3","2","2","6","8","2","1") = "7"
    & skf18("3","2","2","6","8","3","1") = "7"
    & skf18("3","2","2","6","8","4","1") = "7"
    & skf18("3","2","2","6","8","5","1") = "7"
    & skf18("3","2","2","6","8","6","1") = "7"
    & skf18("3","2","2","6","8","7","1") = "7"
    & skf18("3","2","2","6","8","8","1") = "7"
    & skf18("3","2","2","6","8","9","1") = "8"
    & skf18("3","2","2","6","8","10","1") = "9"
    & skf18("3","2","2","6","9","1","1") = "8"
    & skf18("3","2","2","6","9","2","1") = "8"
    & skf18("3","2","2","6","9","3","1") = "8"
    & skf18("3","2","2","6","9","4","1") = "8"
    & skf18("3","2","2","6","9","5","1") = "8"
    & skf18("3","2","2","6","9","6","1") = "8"
    & skf18("3","2","2","6","9","7","1") = "8"
    & skf18("3","2","2","6","9","8","1") = "8"
    & skf18("3","2","2","6","9","9","1") = "8"
    & skf18("3","2","2","6","9","10","1") = "9"
    & skf18("3","2","2","6","10","1","1") = "9"
    & skf18("3","2","2","6","10","2","1") = "9"
    & skf18("3","2","2","6","10","3","1") = "9"
    & skf18("3","2","2","6","10","4","1") = "9"
    & skf18("3","2","2","6","10","5","1") = "9"
    & skf18("3","2","2","6","10","6","1") = "9"
    & skf18("3","2","2","6","10","7","1") = "9"
    & skf18("3","2","2","6","10","8","1") = "9"
    & skf18("3","2","2","6","10","9","1") = "9"
    & skf18("3","2","2","6","10","10","1") = "9"
    & skf18("3","2","2","7","1","1","1") = "6"
    & skf18("3","2","2","7","1","2","1") = "6"
    & skf18("3","2","2","7","1","3","1") = "6"
    & skf18("3","2","2","7","1","4","1") = "6"
    & skf18("3","2","2","7","1","5","1") = "6"
    & skf18("3","2","2","7","1","6","1") = "6"
    & skf18("3","2","2","7","1","7","1") = "6"
    & skf18("3","2","2","7","1","8","1") = "7"
    & skf18("3","2","2","7","1","9","1") = "8"
    & skf18("3","2","2","7","1","10","1") = "9"
    & skf18("3","2","2","7","2","1","1") = "6"
    & skf18("3","2","2","7","2","2","1") = "6"
    & skf18("3","2","2","7","2","3","1") = "6"
    & skf18("3","2","2","7","2","4","1") = "6"
    & skf18("3","2","2","7","2","5","1") = "6"
    & skf18("3","2","2","7","2","6","1") = "6"
    & skf18("3","2","2","7","2","7","1") = "6"
    & skf18("3","2","2","7","2","8","1") = "7"
    & skf18("3","2","2","7","2","9","1") = "8"
    & skf18("3","2","2","7","2","10","1") = "9"
    & skf18("3","2","2","7","3","1","1") = "6"
    & skf18("3","2","2","7","3","2","1") = "6"
    & skf18("3","2","2","7","3","3","1") = "6"
    & skf18("3","2","2","7","3","4","1") = "6"
    & skf18("3","2","2","7","3","5","1") = "6"
    & skf18("3","2","2","7","3","6","1") = "6"
    & skf18("3","2","2","7","3","7","1") = "6"
    & skf18("3","2","2","7","3","8","1") = "7"
    & skf18("3","2","2","7","3","9","1") = "8"
    & skf18("3","2","2","7","3","10","1") = "9"
    & skf18("3","2","2","7","4","1","1") = "6"
    & skf18("3","2","2","7","4","2","1") = "6"
    & skf18("3","2","2","7","4","3","1") = "6"
    & skf18("3","2","2","7","4","4","1") = "6"
    & skf18("3","2","2","7","4","5","1") = "6"
    & skf18("3","2","2","7","4","6","1") = "6"
    & skf18("3","2","2","7","4","7","1") = "6"
    & skf18("3","2","2","7","4","8","1") = "7"
    & skf18("3","2","2","7","4","9","1") = "8"
    & skf18("3","2","2","7","4","10","1") = "9"
    & skf18("3","2","2","7","5","1","1") = "6"
    & skf18("3","2","2","7","5","2","1") = "6"
    & skf18("3","2","2","7","5","3","1") = "6"
    & skf18("3","2","2","7","5","4","1") = "6"
    & skf18("3","2","2","7","5","5","1") = "6"
    & skf18("3","2","2","7","5","6","1") = "6"
    & skf18("3","2","2","7","5","7","1") = "6"
    & skf18("3","2","2","7","5","8","1") = "7"
    & skf18("3","2","2","7","5","9","1") = "8"
    & skf18("3","2","2","7","5","10","1") = "9"
    & skf18("3","2","2","7","6","1","1") = "6"
    & skf18("3","2","2","7","6","2","1") = "6"
    & skf18("3","2","2","7","6","3","1") = "6"
    & skf18("3","2","2","7","6","4","1") = "6"
    & skf18("3","2","2","7","6","5","1") = "6"
    & skf18("3","2","2","7","6","6","1") = "6"
    & skf18("3","2","2","7","6","7","1") = "6"
    & skf18("3","2","2","7","6","8","1") = "7"
    & skf18("3","2","2","7","6","9","1") = "8"
    & skf18("3","2","2","7","6","10","1") = "9"
    & skf18("3","2","2","7","7","1","1") = "6"
    & skf18("3","2","2","7","7","2","1") = "6"
    & skf18("3","2","2","7","7","3","1") = "6"
    & skf18("3","2","2","7","7","4","1") = "6"
    & skf18("3","2","2","7","7","5","1") = "6"
    & skf18("3","2","2","7","7","6","1") = "6"
    & skf18("3","2","2","7","7","7","1") = "6"
    & skf18("3","2","2","7","7","8","1") = "7"
    & skf18("3","2","2","7","7","9","1") = "8"
    & skf18("3","2","2","7","7","10","1") = "9"
    & skf18("3","2","2","7","8","1","1") = "7"
    & skf18("3","2","2","7","8","2","1") = "7"
    & skf18("3","2","2","7","8","3","1") = "7"
    & skf18("3","2","2","7","8","4","1") = "7"
    & skf18("3","2","2","7","8","5","1") = "7"
    & skf18("3","2","2","7","8","6","1") = "7"
    & skf18("3","2","2","7","8","7","1") = "7"
    & skf18("3","2","2","7","8","8","1") = "7"
    & skf18("3","2","2","7","8","9","1") = "8"
    & skf18("3","2","2","7","8","10","1") = "9"
    & skf18("3","2","2","7","9","1","1") = "8"
    & skf18("3","2","2","7","9","2","1") = "8"
    & skf18("3","2","2","7","9","3","1") = "8"
    & skf18("3","2","2","7","9","4","1") = "8"
    & skf18("3","2","2","7","9","5","1") = "8"
    & skf18("3","2","2","7","9","6","1") = "8"
    & skf18("3","2","2","7","9","7","1") = "8"
    & skf18("3","2","2","7","9","8","1") = "8"
    & skf18("3","2","2","7","9","9","1") = "8"
    & skf18("3","2","2","7","9","10","1") = "9"
    & skf18("3","2","2","7","10","1","1") = "9"
    & skf18("3","2","2","7","10","2","1") = "9"
    & skf18("3","2","2","7","10","3","1") = "9"
    & skf18("3","2","2","7","10","4","1") = "9"
    & skf18("3","2","2","7","10","5","1") = "9"
    & skf18("3","2","2","7","10","6","1") = "9"
    & skf18("3","2","2","7","10","7","1") = "9"
    & skf18("3","2","2","7","10","8","1") = "9"
    & skf18("3","2","2","7","10","9","1") = "9"
    & skf18("3","2","2","7","10","10","1") = "9"
    & skf18("3","2","2","8","1","1","1") = "7"
    & skf18("3","2","2","8","1","2","1") = "7"
    & skf18("3","2","2","8","1","3","1") = "7"
    & skf18("3","2","2","8","1","4","1") = "7"
    & skf18("3","2","2","8","1","5","1") = "7"
    & skf18("3","2","2","8","1","6","1") = "7"
    & skf18("3","2","2","8","1","7","1") = "7"
    & skf18("3","2","2","8","1","8","1") = "7"
    & skf18("3","2","2","8","1","9","1") = "8"
    & skf18("3","2","2","8","1","10","1") = "9"
    & skf18("3","2","2","8","2","1","1") = "7"
    & skf18("3","2","2","8","2","2","1") = "7"
    & skf18("3","2","2","8","2","3","1") = "7"
    & skf18("3","2","2","8","2","4","1") = "7"
    & skf18("3","2","2","8","2","5","1") = "7"
    & skf18("3","2","2","8","2","6","1") = "7"
    & skf18("3","2","2","8","2","7","1") = "7"
    & skf18("3","2","2","8","2","8","1") = "7"
    & skf18("3","2","2","8","2","9","1") = "8"
    & skf18("3","2","2","8","2","10","1") = "9"
    & skf18("3","2","2","8","3","1","1") = "7"
    & skf18("3","2","2","8","3","2","1") = "7"
    & skf18("3","2","2","8","3","3","1") = "7"
    & skf18("3","2","2","8","3","4","1") = "7"
    & skf18("3","2","2","8","3","5","1") = "7"
    & skf18("3","2","2","8","3","6","1") = "7"
    & skf18("3","2","2","8","3","7","1") = "7"
    & skf18("3","2","2","8","3","8","1") = "7"
    & skf18("3","2","2","8","3","9","1") = "8"
    & skf18("3","2","2","8","3","10","1") = "9"
    & skf18("3","2","2","8","4","1","1") = "7"
    & skf18("3","2","2","8","4","2","1") = "7"
    & skf18("3","2","2","8","4","3","1") = "7"
    & skf18("3","2","2","8","4","4","1") = "7"
    & skf18("3","2","2","8","4","5","1") = "7"
    & skf18("3","2","2","8","4","6","1") = "7"
    & skf18("3","2","2","8","4","7","1") = "7"
    & skf18("3","2","2","8","4","8","1") = "7"
    & skf18("3","2","2","8","4","9","1") = "8"
    & skf18("3","2","2","8","4","10","1") = "9"
    & skf18("3","2","2","8","5","1","1") = "7"
    & skf18("3","2","2","8","5","2","1") = "7"
    & skf18("3","2","2","8","5","3","1") = "7"
    & skf18("3","2","2","8","5","4","1") = "7"
    & skf18("3","2","2","8","5","5","1") = "7"
    & skf18("3","2","2","8","5","6","1") = "7"
    & skf18("3","2","2","8","5","7","1") = "7"
    & skf18("3","2","2","8","5","8","1") = "7"
    & skf18("3","2","2","8","5","9","1") = "8"
    & skf18("3","2","2","8","5","10","1") = "9"
    & skf18("3","2","2","8","6","1","1") = "7"
    & skf18("3","2","2","8","6","2","1") = "7"
    & skf18("3","2","2","8","6","3","1") = "7"
    & skf18("3","2","2","8","6","4","1") = "7"
    & skf18("3","2","2","8","6","5","1") = "7"
    & skf18("3","2","2","8","6","6","1") = "7"
    & skf18("3","2","2","8","6","7","1") = "7"
    & skf18("3","2","2","8","6","8","1") = "7"
    & skf18("3","2","2","8","6","9","1") = "8"
    & skf18("3","2","2","8","6","10","1") = "9"
    & skf18("3","2","2","8","7","1","1") = "7"
    & skf18("3","2","2","8","7","2","1") = "7"
    & skf18("3","2","2","8","7","3","1") = "7"
    & skf18("3","2","2","8","7","4","1") = "7"
    & skf18("3","2","2","8","7","5","1") = "7"
    & skf18("3","2","2","8","7","6","1") = "7"
    & skf18("3","2","2","8","7","7","1") = "7"
    & skf18("3","2","2","8","7","8","1") = "7"
    & skf18("3","2","2","8","7","9","1") = "8"
    & skf18("3","2","2","8","7","10","1") = "9"
    & skf18("3","2","2","8","8","1","1") = "7"
    & skf18("3","2","2","8","8","2","1") = "7"
    & skf18("3","2","2","8","8","3","1") = "7"
    & skf18("3","2","2","8","8","4","1") = "7"
    & skf18("3","2","2","8","8","5","1") = "7"
    & skf18("3","2","2","8","8","6","1") = "7"
    & skf18("3","2","2","8","8","7","1") = "7"
    & skf18("3","2","2","8","8","8","1") = "7"
    & skf18("3","2","2","8","8","9","1") = "8"
    & skf18("3","2","2","8","8","10","1") = "9"
    & skf18("3","2","2","8","9","1","1") = "8"
    & skf18("3","2","2","8","9","2","1") = "8"
    & skf18("3","2","2","8","9","3","1") = "8"
    & skf18("3","2","2","8","9","4","1") = "8"
    & skf18("3","2","2","8","9","5","1") = "8"
    & skf18("3","2","2","8","9","6","1") = "8"
    & skf18("3","2","2","8","9","7","1") = "8"
    & skf18("3","2","2","8","9","8","1") = "8"
    & skf18("3","2","2","8","9","9","1") = "8"
    & skf18("3","2","2","8","9","10","1") = "9"
    & skf18("3","2","2","8","10","1","1") = "9"
    & skf18("3","2","2","8","10","2","1") = "9"
    & skf18("3","2","2","8","10","3","1") = "9"
    & skf18("3","2","2","8","10","4","1") = "9"
    & skf18("3","2","2","8","10","5","1") = "9"
    & skf18("3","2","2","8","10","6","1") = "9"
    & skf18("3","2","2","8","10","7","1") = "9"
    & skf18("3","2","2","8","10","8","1") = "9"
    & skf18("3","2","2","8","10","9","1") = "9"
    & skf18("3","2","2","8","10","10","1") = "9"
    & skf18("3","2","2","9","1","1","1") = "8"
    & skf18("3","2","2","9","1","2","1") = "8"
    & skf18("3","2","2","9","1","3","1") = "8"
    & skf18("3","2","2","9","1","4","1") = "8"
    & skf18("3","2","2","9","1","5","1") = "8"
    & skf18("3","2","2","9","1","6","1") = "8"
    & skf18("3","2","2","9","1","7","1") = "8"
    & skf18("3","2","2","9","1","8","1") = "8"
    & skf18("3","2","2","9","1","9","1") = "8"
    & skf18("3","2","2","9","1","10","1") = "9"
    & skf18("3","2","2","9","2","1","1") = "8"
    & skf18("3","2","2","9","2","2","1") = "8"
    & skf18("3","2","2","9","2","3","1") = "8"
    & skf18("3","2","2","9","2","4","1") = "8"
    & skf18("3","2","2","9","2","5","1") = "8"
    & skf18("3","2","2","9","2","6","1") = "8"
    & skf18("3","2","2","9","2","7","1") = "8"
    & skf18("3","2","2","9","2","8","1") = "8"
    & skf18("3","2","2","9","2","9","1") = "8"
    & skf18("3","2","2","9","2","10","1") = "9"
    & skf18("3","2","2","9","3","1","1") = "8"
    & skf18("3","2","2","9","3","2","1") = "8"
    & skf18("3","2","2","9","3","3","1") = "8"
    & skf18("3","2","2","9","3","4","1") = "8"
    & skf18("3","2","2","9","3","5","1") = "8"
    & skf18("3","2","2","9","3","6","1") = "8"
    & skf18("3","2","2","9","3","7","1") = "8"
    & skf18("3","2","2","9","3","8","1") = "8"
    & skf18("3","2","2","9","3","9","1") = "8"
    & skf18("3","2","2","9","3","10","1") = "9"
    & skf18("3","2","2","9","4","1","1") = "8"
    & skf18("3","2","2","9","4","2","1") = "8"
    & skf18("3","2","2","9","4","3","1") = "8"
    & skf18("3","2","2","9","4","4","1") = "8"
    & skf18("3","2","2","9","4","5","1") = "8"
    & skf18("3","2","2","9","4","6","1") = "8"
    & skf18("3","2","2","9","4","7","1") = "8"
    & skf18("3","2","2","9","4","8","1") = "8"
    & skf18("3","2","2","9","4","9","1") = "8"
    & skf18("3","2","2","9","4","10","1") = "9"
    & skf18("3","2","2","9","5","1","1") = "8"
    & skf18("3","2","2","9","5","2","1") = "8"
    & skf18("3","2","2","9","5","3","1") = "8"
    & skf18("3","2","2","9","5","4","1") = "8"
    & skf18("3","2","2","9","5","5","1") = "8"
    & skf18("3","2","2","9","5","6","1") = "8"
    & skf18("3","2","2","9","5","7","1") = "8"
    & skf18("3","2","2","9","5","8","1") = "8"
    & skf18("3","2","2","9","5","9","1") = "8"
    & skf18("3","2","2","9","5","10","1") = "9"
    & skf18("3","2","2","9","6","1","1") = "8"
    & skf18("3","2","2","9","6","2","1") = "8"
    & skf18("3","2","2","9","6","3","1") = "8"
    & skf18("3","2","2","9","6","4","1") = "8"
    & skf18("3","2","2","9","6","5","1") = "8"
    & skf18("3","2","2","9","6","6","1") = "8"
    & skf18("3","2","2","9","6","7","1") = "8"
    & skf18("3","2","2","9","6","8","1") = "8"
    & skf18("3","2","2","9","6","9","1") = "8"
    & skf18("3","2","2","9","6","10","1") = "9"
    & skf18("3","2","2","9","7","1","1") = "8"
    & skf18("3","2","2","9","7","2","1") = "8"
    & skf18("3","2","2","9","7","3","1") = "8"
    & skf18("3","2","2","9","7","4","1") = "8"
    & skf18("3","2","2","9","7","5","1") = "8"
    & skf18("3","2","2","9","7","6","1") = "8"
    & skf18("3","2","2","9","7","7","1") = "8"
    & skf18("3","2","2","9","7","8","1") = "8"
    & skf18("3","2","2","9","7","9","1") = "8"
    & skf18("3","2","2","9","7","10","1") = "9"
    & skf18("3","2","2","9","8","1","1") = "8"
    & skf18("3","2","2","9","8","2","1") = "8"
    & skf18("3","2","2","9","8","3","1") = "8"
    & skf18("3","2","2","9","8","4","1") = "8"
    & skf18("3","2","2","9","8","5","1") = "8"
    & skf18("3","2","2","9","8","6","1") = "8"
    & skf18("3","2","2","9","8","7","1") = "8"
    & skf18("3","2","2","9","8","8","1") = "8"
    & skf18("3","2","2","9","8","9","1") = "8"
    & skf18("3","2","2","9","8","10","1") = "9"
    & skf18("3","2","2","9","9","1","1") = "8"
    & skf18("3","2","2","9","9","2","1") = "8"
    & skf18("3","2","2","9","9","3","1") = "8"
    & skf18("3","2","2","9","9","4","1") = "8"
    & skf18("3","2","2","9","9","5","1") = "8"
    & skf18("3","2","2","9","9","6","1") = "8"
    & skf18("3","2","2","9","9","7","1") = "8"
    & skf18("3","2","2","9","9","8","1") = "8"
    & skf18("3","2","2","9","9","9","1") = "8"
    & skf18("3","2","2","9","9","10","1") = "9"
    & skf18("3","2","2","9","10","1","1") = "9"
    & skf18("3","2","2","9","10","2","1") = "9"
    & skf18("3","2","2","9","10","3","1") = "9"
    & skf18("3","2","2","9","10","4","1") = "9"
    & skf18("3","2","2","9","10","5","1") = "9"
    & skf18("3","2","2","9","10","6","1") = "9"
    & skf18("3","2","2","9","10","7","1") = "9"
    & skf18("3","2","2","9","10","8","1") = "9"
    & skf18("3","2","2","9","10","9","1") = "9"
    & skf18("3","2","2","9","10","10","1") = "9"
    & skf18("3","2","2","10","1","1","1") = "9"
    & skf18("3","2","2","10","1","2","1") = "9"
    & skf18("3","2","2","10","1","3","1") = "9"
    & skf18("3","2","2","10","1","4","1") = "9"
    & skf18("3","2","2","10","1","5","1") = "9"
    & skf18("3","2","2","10","1","6","1") = "9"
    & skf18("3","2","2","10","1","7","1") = "9"
    & skf18("3","2","2","10","1","8","1") = "9"
    & skf18("3","2","2","10","1","9","1") = "9"
    & skf18("3","2","2","10","1","10","1") = "9"
    & skf18("3","2","2","10","2","1","1") = "9"
    & skf18("3","2","2","10","2","2","1") = "9"
    & skf18("3","2","2","10","2","3","1") = "9"
    & skf18("3","2","2","10","2","4","1") = "9"
    & skf18("3","2","2","10","2","5","1") = "9"
    & skf18("3","2","2","10","2","6","1") = "9"
    & skf18("3","2","2","10","2","7","1") = "9"
    & skf18("3","2","2","10","2","8","1") = "9"
    & skf18("3","2","2","10","2","9","1") = "9"
    & skf18("3","2","2","10","2","10","1") = "9"
    & skf18("3","2","2","10","3","1","1") = "9"
    & skf18("3","2","2","10","3","2","1") = "9"
    & skf18("3","2","2","10","3","3","1") = "9"
    & skf18("3","2","2","10","3","4","1") = "9"
    & skf18("3","2","2","10","3","5","1") = "9"
    & skf18("3","2","2","10","3","6","1") = "9"
    & skf18("3","2","2","10","3","7","1") = "9"
    & skf18("3","2","2","10","3","8","1") = "9"
    & skf18("3","2","2","10","3","9","1") = "9"
    & skf18("3","2","2","10","3","10","1") = "9"
    & skf18("3","2","2","10","4","1","1") = "9"
    & skf18("3","2","2","10","4","2","1") = "9"
    & skf18("3","2","2","10","4","3","1") = "9"
    & skf18("3","2","2","10","4","4","1") = "9"
    & skf18("3","2","2","10","4","5","1") = "9"
    & skf18("3","2","2","10","4","6","1") = "9"
    & skf18("3","2","2","10","4","7","1") = "9"
    & skf18("3","2","2","10","4","8","1") = "9"
    & skf18("3","2","2","10","4","9","1") = "9"
    & skf18("3","2","2","10","4","10","1") = "9"
    & skf18("3","2","2","10","5","1","1") = "9"
    & skf18("3","2","2","10","5","2","1") = "9"
    & skf18("3","2","2","10","5","3","1") = "9"
    & skf18("3","2","2","10","5","4","1") = "9"
    & skf18("3","2","2","10","5","5","1") = "9"
    & skf18("3","2","2","10","5","6","1") = "9"
    & skf18("3","2","2","10","5","7","1") = "9"
    & skf18("3","2","2","10","5","8","1") = "9"
    & skf18("3","2","2","10","5","9","1") = "9"
    & skf18("3","2","2","10","5","10","1") = "9"
    & skf18("3","2","2","10","6","1","1") = "9"
    & skf18("3","2","2","10","6","2","1") = "9"
    & skf18("3","2","2","10","6","3","1") = "9"
    & skf18("3","2","2","10","6","4","1") = "9"
    & skf18("3","2","2","10","6","5","1") = "9"
    & skf18("3","2","2","10","6","6","1") = "9"
    & skf18("3","2","2","10","6","7","1") = "9"
    & skf18("3","2","2","10","6","8","1") = "9"
    & skf18("3","2","2","10","6","9","1") = "9"
    & skf18("3","2","2","10","6","10","1") = "9"
    & skf18("3","2","2","10","7","1","1") = "9"
    & skf18("3","2","2","10","7","2","1") = "9"
    & skf18("3","2","2","10","7","3","1") = "9"
    & skf18("3","2","2","10","7","4","1") = "9"
    & skf18("3","2","2","10","7","5","1") = "9"
    & skf18("3","2","2","10","7","6","1") = "9"
    & skf18("3","2","2","10","7","7","1") = "9"
    & skf18("3","2","2","10","7","8","1") = "9"
    & skf18("3","2","2","10","7","9","1") = "9"
    & skf18("3","2","2","10","7","10","1") = "9"
    & skf18("3","2","2","10","8","1","1") = "9"
    & skf18("3","2","2","10","8","2","1") = "9"
    & skf18("3","2","2","10","8","3","1") = "9"
    & skf18("3","2","2","10","8","4","1") = "9"
    & skf18("3","2","2","10","8","5","1") = "9"
    & skf18("3","2","2","10","8","6","1") = "9"
    & skf18("3","2","2","10","8","7","1") = "9"
    & skf18("3","2","2","10","8","8","1") = "9"
    & skf18("3","2","2","10","8","9","1") = "9"
    & skf18("3","2","2","10","8","10","1") = "9"
    & skf18("3","2","2","10","9","1","1") = "9"
    & skf18("3","2","2","10","9","2","1") = "9"
    & skf18("3","2","2","10","9","3","1") = "9"
    & skf18("3","2","2","10","9","4","1") = "9"
    & skf18("3","2","2","10","9","5","1") = "9"
    & skf18("3","2","2","10","9","6","1") = "9"
    & skf18("3","2","2","10","9","7","1") = "9"
    & skf18("3","2","2","10","9","8","1") = "9"
    & skf18("3","2","2","10","9","9","1") = "9"
    & skf18("3","2","2","10","9","10","1") = "9"
    & skf18("3","2","2","10","10","1","1") = "9"
    & skf18("3","2","2","10","10","2","1") = "9"
    & skf18("3","2","2","10","10","3","1") = "9"
    & skf18("3","2","2","10","10","4","1") = "9"
    & skf18("3","2","2","10","10","5","1") = "9"
    & skf18("3","2","2","10","10","6","1") = "9"
    & skf18("3","2","2","10","10","7","1") = "9"
    & skf18("3","2","2","10","10","8","1") = "9"
    & skf18("3","2","2","10","10","9","1") = "9"
    & skf18("3","2","2","10","10","10","1") = "9"
    & skf18("3","2","3","1","1","1","1") = "2"
    & skf18("3","2","3","1","1","2","1") = "2"
    & skf18("3","2","3","1","1","3","1") = "2"
    & skf18("3","2","3","1","1","4","1") = "3"
    & skf18("3","2","3","1","1","5","1") = "4"
    & skf18("3","2","3","1","1","6","1") = "5"
    & skf18("3","2","3","1","1","7","1") = "6"
    & skf18("3","2","3","1","1","8","1") = "7"
    & skf18("3","2","3","1","1","9","1") = "8"
    & skf18("3","2","3","1","1","10","1") = "9"
    & skf18("3","2","3","1","2","1","1") = "2"
    & skf18("3","2","3","1","2","2","1") = "2"
    & skf18("3","2","3","1","2","3","1") = "2"
    & skf18("3","2","3","1","2","4","1") = "3"
    & skf18("3","2","3","1","2","5","1") = "4"
    & skf18("3","2","3","1","2","6","1") = "5"
    & skf18("3","2","3","1","2","7","1") = "6"
    & skf18("3","2","3","1","2","8","1") = "7"
    & skf18("3","2","3","1","2","9","1") = "8"
    & skf18("3","2","3","1","2","10","1") = "9"
    & skf18("3","2","3","1","3","1","1") = "2"
    & skf18("3","2","3","1","3","2","1") = "2"
    & skf18("3","2","3","1","3","3","1") = "2"
    & skf18("3","2","3","1","3","4","1") = "2"
    & skf18("3","2","3","1","3","5","1") = "4"
    & skf18("3","2","3","1","3","6","1") = "5"
    & skf18("3","2","3","1","3","7","1") = "6"
    & skf18("3","2","3","1","3","8","1") = "7"
    & skf18("3","2","3","1","3","9","1") = "8"
    & skf18("3","2","3","1","3","10","1") = "9"
    & skf18("3","2","3","1","4","1","1") = "3"
    & skf18("3","2","3","1","4","2","1") = "3"
    & skf18("3","2","3","1","4","3","1") = "3"
    & skf18("3","2","3","1","4","4","1") = "3"
    & skf18("3","2","3","1","4","5","1") = "4"
    & skf18("3","2","3","1","4","6","1") = "5"
    & skf18("3","2","3","1","4","7","1") = "6"
    & skf18("3","2","3","1","4","8","1") = "7"
    & skf18("3","2","3","1","4","9","1") = "8"
    & skf18("3","2","3","1","4","10","1") = "9"
    & skf18("3","2","3","1","5","1","1") = "4"
    & skf18("3","2","3","1","5","2","1") = "4"
    & skf18("3","2","3","1","5","3","1") = "4"
    & skf18("3","2","3","1","5","4","1") = "4"
    & skf18("3","2","3","1","5","5","1") = "4"
    & skf18("3","2","3","1","5","6","1") = "5"
    & skf18("3","2","3","1","5","7","1") = "6"
    & skf18("3","2","3","1","5","8","1") = "7"
    & skf18("3","2","3","1","5","9","1") = "8"
    & skf18("3","2","3","1","5","10","1") = "9"
    & skf18("3","2","3","1","6","1","1") = "5"
    & skf18("3","2","3","1","6","2","1") = "5"
    & skf18("3","2","3","1","6","3","1") = "5"
    & skf18("3","2","3","1","6","4","1") = "5"
    & skf18("3","2","3","1","6","5","1") = "5"
    & skf18("3","2","3","1","6","6","1") = "5"
    & skf18("3","2","3","1","6","7","1") = "6"
    & skf18("3","2","3","1","6","8","1") = "7"
    & skf18("3","2","3","1","6","9","1") = "8"
    & skf18("3","2","3","1","6","10","1") = "9"
    & skf18("3","2","3","1","7","1","1") = "6"
    & skf18("3","2","3","1","7","2","1") = "6"
    & skf18("3","2","3","1","7","3","1") = "6"
    & skf18("3","2","3","1","7","4","1") = "6"
    & skf18("3","2","3","1","7","5","1") = "6"
    & skf18("3","2","3","1","7","6","1") = "6"
    & skf18("3","2","3","1","7","7","1") = "6"
    & skf18("3","2","3","1","7","8","1") = "7"
    & skf18("3","2","3","1","7","9","1") = "8"
    & skf18("3","2","3","1","7","10","1") = "9"
    & skf18("3","2","3","1","8","1","1") = "7"
    & skf18("3","2","3","1","8","2","1") = "7"
    & skf18("3","2","3","1","8","3","1") = "7"
    & skf18("3","2","3","1","8","4","1") = "7"
    & skf18("3","2","3","1","8","5","1") = "7"
    & skf18("3","2","3","1","8","6","1") = "7"
    & skf18("3","2","3","1","8","7","1") = "7"
    & skf18("3","2","3","1","8","8","1") = "7"
    & skf18("3","2","3","1","8","9","1") = "8"
    & skf18("3","2","3","1","8","10","1") = "9"
    & skf18("3","2","3","1","9","1","1") = "8"
    & skf18("3","2","3","1","9","2","1") = "8"
    & skf18("3","2","3","1","9","3","1") = "8"
    & skf18("3","2","3","1","9","4","1") = "8"
    & skf18("3","2","3","1","9","5","1") = "8"
    & skf18("3","2","3","1","9","6","1") = "8"
    & skf18("3","2","3","1","9","7","1") = "8"
    & skf18("3","2","3","1","9","8","1") = "8"
    & skf18("3","2","3","1","9","9","1") = "8"
    & skf18("3","2","3","1","9","10","1") = "9"
    & skf18("3","2","3","1","10","1","1") = "9"
    & skf18("3","2","3","1","10","2","1") = "9"
    & skf18("3","2","3","1","10","3","1") = "9"
    & skf18("3","2","3","1","10","4","1") = "9"
    & skf18("3","2","3","1","10","5","1") = "9"
    & skf18("3","2","3","1","10","6","1") = "9"
    & skf18("3","2","3","1","10","7","1") = "9"
    & skf18("3","2","3","1","10","8","1") = "9"
    & skf18("3","2","3","1","10","9","1") = "9"
    & skf18("3","2","3","1","10","10","1") = "9"
    & skf18("3","2","3","2","1","1","1") = "2"
    & skf18("3","2","3","2","1","2","1") = "2"
    & skf18("3","2","3","2","1","3","1") = "2"
    & skf18("3","2","3","2","1","4","1") = "3"
    & skf18("3","2","3","2","1","5","1") = "4"
    & skf18("3","2","3","2","1","6","1") = "5"
    & skf18("3","2","3","2","1","7","1") = "6"
    & skf18("3","2","3","2","1","8","1") = "7"
    & skf18("3","2","3","2","1","9","1") = "8"
    & skf18("3","2","3","2","1","10","1") = "9"
    & skf18("3","2","3","2","2","1","1") = "2"
    & skf18("3","2","3","2","2","2","1") = "2"
    & skf18("3","2","3","2","2","3","1") = "2"
    & skf18("3","2","3","2","2","4","1") = "3"
    & skf18("3","2","3","2","2","5","1") = "4"
    & skf18("3","2","3","2","2","6","1") = "5"
    & skf18("3","2","3","2","2","7","1") = "6"
    & skf18("3","2","3","2","2","8","1") = "7"
    & skf18("3","2","3","2","2","9","1") = "8"
    & skf18("3","2","3","2","2","10","1") = "9"
    & skf18("3","2","3","2","3","1","1") = "2"
    & skf18("3","2","3","2","3","2","1") = "2"
    & skf18("3","2","3","2","3","3","1") = "2"
    & skf18("3","2","3","2","3","4","1") = "3"
    & skf18("3","2","3","2","3","5","1") = "4"
    & skf18("3","2","3","2","3","6","1") = "5"
    & skf18("3","2","3","2","3","7","1") = "6"
    & skf18("3","2","3","2","3","8","1") = "7"
    & skf18("3","2","3","2","3","9","1") = "8"
    & skf18("3","2","3","2","3","10","1") = "9"
    & skf18("3","2","3","2","4","1","1") = "3"
    & skf18("3","2","3","2","4","2","1") = "3"
    & skf18("3","2","3","2","4","3","1") = "3"
    & skf18("3","2","3","2","4","4","1") = "3"
    & skf18("3","2","3","2","4","5","1") = "4"
    & skf18("3","2","3","2","4","6","1") = "5"
    & skf18("3","2","3","2","4","7","1") = "6"
    & skf18("3","2","3","2","4","8","1") = "7"
    & skf18("3","2","3","2","4","9","1") = "8"
    & skf18("3","2","3","2","4","10","1") = "9"
    & skf18("3","2","3","2","5","1","1") = "4"
    & skf18("3","2","3","2","5","2","1") = "4"
    & skf18("3","2","3","2","5","3","1") = "4"
    & skf18("3","2","3","2","5","4","1") = "4"
    & skf18("3","2","3","2","5","5","1") = "4"
    & skf18("3","2","3","2","5","6","1") = "5"
    & skf18("3","2","3","2","5","7","1") = "6"
    & skf18("3","2","3","2","5","8","1") = "7"
    & skf18("3","2","3","2","5","9","1") = "8"
    & skf18("3","2","3","2","5","10","1") = "9"
    & skf18("3","2","3","2","6","1","1") = "5"
    & skf18("3","2","3","2","6","2","1") = "5"
    & skf18("3","2","3","2","6","3","1") = "5"
    & skf18("3","2","3","2","6","4","1") = "5"
    & skf18("3","2","3","2","6","5","1") = "5"
    & skf18("3","2","3","2","6","6","1") = "5"
    & skf18("3","2","3","2","6","7","1") = "6"
    & skf18("3","2","3","2","6","8","1") = "7"
    & skf18("3","2","3","2","6","9","1") = "8"
    & skf18("3","2","3","2","6","10","1") = "9"
    & skf18("3","2","3","2","7","1","1") = "6"
    & skf18("3","2","3","2","7","2","1") = "6"
    & skf18("3","2","3","2","7","3","1") = "6"
    & skf18("3","2","3","2","7","4","1") = "6"
    & skf18("3","2","3","2","7","5","1") = "6"
    & skf18("3","2","3","2","7","6","1") = "6"
    & skf18("3","2","3","2","7","7","1") = "6"
    & skf18("3","2","3","2","7","8","1") = "7"
    & skf18("3","2","3","2","7","9","1") = "8"
    & skf18("3","2","3","2","7","10","1") = "9"
    & skf18("3","2","3","2","8","1","1") = "7"
    & skf18("3","2","3","2","8","2","1") = "7"
    & skf18("3","2","3","2","8","3","1") = "7"
    & skf18("3","2","3","2","8","4","1") = "7"
    & skf18("3","2","3","2","8","5","1") = "7"
    & skf18("3","2","3","2","8","6","1") = "7"
    & skf18("3","2","3","2","8","7","1") = "7"
    & skf18("3","2","3","2","8","8","1") = "7"
    & skf18("3","2","3","2","8","9","1") = "8"
    & skf18("3","2","3","2","8","10","1") = "9"
    & skf18("3","2","3","2","9","1","1") = "8"
    & skf18("3","2","3","2","9","2","1") = "8"
    & skf18("3","2","3","2","9","3","1") = "8"
    & skf18("3","2","3","2","9","4","1") = "8"
    & skf18("3","2","3","2","9","5","1") = "8"
    & skf18("3","2","3","2","9","6","1") = "8"
    & skf18("3","2","3","2","9","7","1") = "8"
    & skf18("3","2","3","2","9","8","1") = "8"
    & skf18("3","2","3","2","9","9","1") = "8"
    & skf18("3","2","3","2","9","10","1") = "9"
    & skf18("3","2","3","2","10","1","1") = "9"
    & skf18("3","2","3","2","10","2","1") = "9"
    & skf18("3","2","3","2","10","3","1") = "9"
    & skf18("3","2","3","2","10","4","1") = "9"
    & skf18("3","2","3","2","10","5","1") = "9"
    & skf18("3","2","3","2","10","6","1") = "9"
    & skf18("3","2","3","2","10","7","1") = "9"
    & skf18("3","2","3","2","10","8","1") = "9"
    & skf18("3","2","3","2","10","9","1") = "9"
    & skf18("3","2","3","2","10","10","1") = "9"
    & skf18("3","2","3","3","1","1","1") = "2"
    & skf18("3","2","3","3","1","2","1") = "2"
    & skf18("3","2","3","3","1","3","1") = "2"
    & skf18("3","2","3","3","1","4","1") = "3"
    & skf18("3","2","3","3","1","5","1") = "4"
    & skf18("3","2","3","3","1","6","1") = "5"
    & skf18("3","2","3","3","1","7","1") = "6"
    & skf18("3","2","3","3","1","8","1") = "7"
    & skf18("3","2","3","3","1","9","1") = "8"
    & skf18("3","2","3","3","1","10","1") = "9"
    & skf18("3","2","3","3","2","1","1") = "2"
    & skf18("3","2","3","3","2","2","1") = "2"
    & skf18("3","2","3","3","2","3","1") = "2"
    & skf18("3","2","3","3","2","4","1") = "3"
    & skf18("3","2","3","3","2","5","1") = "4"
    & skf18("3","2","3","3","2","6","1") = "5"
    & skf18("3","2","3","3","2","7","1") = "6"
    & skf18("3","2","3","3","2","8","1") = "7"
    & skf18("3","2","3","3","2","9","1") = "8"
    & skf18("3","2","3","3","2","10","1") = "9"
    & skf18("3","2","3","3","3","1","1") = "2"
    & skf18("3","2","3","3","3","2","1") = "2"
    & skf18("3","2","3","3","3","3","1") = "2"
    & skf18("3","2","3","3","3","4","1") = "3"
    & skf18("3","2","3","3","3","5","1") = "4"
    & skf18("3","2","3","3","3","6","1") = "5"
    & skf18("3","2","3","3","3","7","1") = "6"
    & skf18("3","2","3","3","3","8","1") = "7"
    & skf18("3","2","3","3","3","9","1") = "8"
    & skf18("3","2","3","3","3","10","1") = "9"
    & skf18("3","2","3","3","4","1","1") = "3"
    & skf18("3","2","3","3","4","2","1") = "3"
    & skf18("3","2","3","3","4","3","1") = "3"
    & skf18("3","2","3","3","4","4","1") = "3"
    & skf18("3","2","3","3","4","5","1") = "4"
    & skf18("3","2","3","3","4","6","1") = "5"
    & skf18("3","2","3","3","4","7","1") = "6"
    & skf18("3","2","3","3","4","8","1") = "7"
    & skf18("3","2","3","3","4","9","1") = "8"
    & skf18("3","2","3","3","4","10","1") = "9"
    & skf18("3","2","3","3","5","1","1") = "4"
    & skf18("3","2","3","3","5","2","1") = "4"
    & skf18("3","2","3","3","5","3","1") = "4"
    & skf18("3","2","3","3","5","4","1") = "4"
    & skf18("3","2","3","3","5","5","1") = "4"
    & skf18("3","2","3","3","5","6","1") = "5"
    & skf18("3","2","3","3","5","7","1") = "6"
    & skf18("3","2","3","3","5","8","1") = "7"
    & skf18("3","2","3","3","5","9","1") = "8"
    & skf18("3","2","3","3","5","10","1") = "9"
    & skf18("3","2","3","3","6","1","1") = "5"
    & skf18("3","2","3","3","6","2","1") = "5"
    & skf18("3","2","3","3","6","3","1") = "5"
    & skf18("3","2","3","3","6","4","1") = "5"
    & skf18("3","2","3","3","6","5","1") = "5"
    & skf18("3","2","3","3","6","6","1") = "5"
    & skf18("3","2","3","3","6","7","1") = "6"
    & skf18("3","2","3","3","6","8","1") = "7"
    & skf18("3","2","3","3","6","9","1") = "8"
    & skf18("3","2","3","3","6","10","1") = "9"
    & skf18("3","2","3","3","7","1","1") = "6"
    & skf18("3","2","3","3","7","2","1") = "6"
    & skf18("3","2","3","3","7","3","1") = "6"
    & skf18("3","2","3","3","7","4","1") = "6"
    & skf18("3","2","3","3","7","5","1") = "6"
    & skf18("3","2","3","3","7","6","1") = "6"
    & skf18("3","2","3","3","7","7","1") = "6"
    & skf18("3","2","3","3","7","8","1") = "7"
    & skf18("3","2","3","3","7","9","1") = "8"
    & skf18("3","2","3","3","7","10","1") = "9"
    & skf18("3","2","3","3","8","1","1") = "7"
    & skf18("3","2","3","3","8","2","1") = "7"
    & skf18("3","2","3","3","8","3","1") = "7"
    & skf18("3","2","3","3","8","4","1") = "7"
    & skf18("3","2","3","3","8","5","1") = "7"
    & skf18("3","2","3","3","8","6","1") = "7"
    & skf18("3","2","3","3","8","7","1") = "7"
    & skf18("3","2","3","3","8","8","1") = "7"
    & skf18("3","2","3","3","8","9","1") = "8"
    & skf18("3","2","3","3","8","10","1") = "9"
    & skf18("3","2","3","3","9","1","1") = "8"
    & skf18("3","2","3","3","9","2","1") = "8"
    & skf18("3","2","3","3","9","3","1") = "8"
    & skf18("3","2","3","3","9","4","1") = "8"
    & skf18("3","2","3","3","9","5","1") = "8"
    & skf18("3","2","3","3","9","6","1") = "8"
    & skf18("3","2","3","3","9","7","1") = "8"
    & skf18("3","2","3","3","9","8","1") = "8"
    & skf18("3","2","3","3","9","9","1") = "8"
    & skf18("3","2","3","3","9","10","1") = "9"
    & skf18("3","2","3","3","10","1","1") = "9"
    & skf18("3","2","3","3","10","2","1") = "9"
    & skf18("3","2","3","3","10","3","1") = "9"
    & skf18("3","2","3","3","10","4","1") = "9"
    & skf18("3","2","3","3","10","5","1") = "9"
    & skf18("3","2","3","3","10","6","1") = "9"
    & skf18("3","2","3","3","10","7","1") = "9"
    & skf18("3","2","3","3","10","8","1") = "9"
    & skf18("3","2","3","3","10","9","1") = "9"
    & skf18("3","2","3","3","10","10","1") = "9"
    & skf18("3","2","3","4","1","1","1") = "3"
    & skf18("3","2","3","4","1","2","1") = "3"
    & skf18("3","2","3","4","1","3","1") = "3"
    & skf18("3","2","3","4","1","4","1") = "3"
    & skf18("3","2","3","4","1","5","1") = "4"
    & skf18("3","2","3","4","1","6","1") = "5"
    & skf18("3","2","3","4","1","7","1") = "6"
    & skf18("3","2","3","4","1","8","1") = "7"
    & skf18("3","2","3","4","1","9","1") = "8"
    & skf18("3","2","3","4","1","10","1") = "9"
    & skf18("3","2","3","4","2","1","1") = "3"
    & skf18("3","2","3","4","2","2","1") = "3"
    & skf18("3","2","3","4","2","3","1") = "3"
    & skf18("3","2","3","4","2","4","1") = "3"
    & skf18("3","2","3","4","2","5","1") = "4"
    & skf18("3","2","3","4","2","6","1") = "5"
    & skf18("3","2","3","4","2","7","1") = "6"
    & skf18("3","2","3","4","2","8","1") = "7"
    & skf18("3","2","3","4","2","9","1") = "8"
    & skf18("3","2","3","4","2","10","1") = "9"
    & skf18("3","2","3","4","3","1","1") = "3"
    & skf18("3","2","3","4","3","2","1") = "3"
    & skf18("3","2","3","4","3","3","1") = "3"
    & skf18("3","2","3","4","3","4","1") = "3"
    & skf18("3","2","3","4","3","5","1") = "4"
    & skf18("3","2","3","4","3","6","1") = "5"
    & skf18("3","2","3","4","3","7","1") = "6"
    & skf18("3","2","3","4","3","8","1") = "7"
    & skf18("3","2","3","4","3","9","1") = "8"
    & skf18("3","2","3","4","3","10","1") = "9"
    & skf18("3","2","3","4","4","1","1") = "3"
    & skf18("3","2","3","4","4","2","1") = "3"
    & skf18("3","2","3","4","4","3","1") = "3"
    & skf18("3","2","3","4","4","4","1") = "3"
    & skf18("3","2","3","4","4","5","1") = "4"
    & skf18("3","2","3","4","4","6","1") = "5"
    & skf18("3","2","3","4","4","7","1") = "6"
    & skf18("3","2","3","4","4","8","1") = "7"
    & skf18("3","2","3","4","4","9","1") = "8"
    & skf18("3","2","3","4","4","10","1") = "9"
    & skf18("3","2","3","4","5","1","1") = "4"
    & skf18("3","2","3","4","5","2","1") = "4"
    & skf18("3","2","3","4","5","3","1") = "4"
    & skf18("3","2","3","4","5","4","1") = "4"
    & skf18("3","2","3","4","5","5","1") = "4"
    & skf18("3","2","3","4","5","6","1") = "5"
    & skf18("3","2","3","4","5","7","1") = "6"
    & skf18("3","2","3","4","5","8","1") = "7"
    & skf18("3","2","3","4","5","9","1") = "8"
    & skf18("3","2","3","4","5","10","1") = "9"
    & skf18("3","2","3","4","6","1","1") = "5"
    & skf18("3","2","3","4","6","2","1") = "5"
    & skf18("3","2","3","4","6","3","1") = "5"
    & skf18("3","2","3","4","6","4","1") = "5"
    & skf18("3","2","3","4","6","5","1") = "5"
    & skf18("3","2","3","4","6","6","1") = "5"
    & skf18("3","2","3","4","6","7","1") = "6"
    & skf18("3","2","3","4","6","8","1") = "7"
    & skf18("3","2","3","4","6","9","1") = "8"
    & skf18("3","2","3","4","6","10","1") = "9"
    & skf18("3","2","3","4","7","1","1") = "6"
    & skf18("3","2","3","4","7","2","1") = "6"
    & skf18("3","2","3","4","7","3","1") = "6"
    & skf18("3","2","3","4","7","4","1") = "6"
    & skf18("3","2","3","4","7","5","1") = "6"
    & skf18("3","2","3","4","7","6","1") = "6"
    & skf18("3","2","3","4","7","7","1") = "6"
    & skf18("3","2","3","4","7","8","1") = "7"
    & skf18("3","2","3","4","7","9","1") = "8"
    & skf18("3","2","3","4","7","10","1") = "9"
    & skf18("3","2","3","4","8","1","1") = "7"
    & skf18("3","2","3","4","8","2","1") = "7"
    & skf18("3","2","3","4","8","3","1") = "7"
    & skf18("3","2","3","4","8","4","1") = "7"
    & skf18("3","2","3","4","8","5","1") = "7"
    & skf18("3","2","3","4","8","6","1") = "7"
    & skf18("3","2","3","4","8","7","1") = "7"
    & skf18("3","2","3","4","8","8","1") = "7"
    & skf18("3","2","3","4","8","9","1") = "8"
    & skf18("3","2","3","4","8","10","1") = "9"
    & skf18("3","2","3","4","9","1","1") = "8"
    & skf18("3","2","3","4","9","2","1") = "8"
    & skf18("3","2","3","4","9","3","1") = "8"
    & skf18("3","2","3","4","9","4","1") = "8"
    & skf18("3","2","3","4","9","5","1") = "8"
    & skf18("3","2","3","4","9","6","1") = "8"
    & skf18("3","2","3","4","9","7","1") = "8"
    & skf18("3","2","3","4","9","8","1") = "8"
    & skf18("3","2","3","4","9","9","1") = "8"
    & skf18("3","2","3","4","9","10","1") = "9"
    & skf18("3","2","3","4","10","1","1") = "9"
    & skf18("3","2","3","4","10","2","1") = "9"
    & skf18("3","2","3","4","10","3","1") = "9"
    & skf18("3","2","3","4","10","4","1") = "9"
    & skf18("3","2","3","4","10","5","1") = "9"
    & skf18("3","2","3","4","10","6","1") = "9"
    & skf18("3","2","3","4","10","7","1") = "9"
    & skf18("3","2","3","4","10","8","1") = "9"
    & skf18("3","2","3","4","10","9","1") = "9"
    & skf18("3","2","3","4","10","10","1") = "9"
    & skf18("3","2","3","5","1","1","1") = "4"
    & skf18("3","2","3","5","1","2","1") = "4"
    & skf18("3","2","3","5","1","3","1") = "4"
    & skf18("3","2","3","5","1","4","1") = "4"
    & skf18("3","2","3","5","1","5","1") = "4"
    & skf18("3","2","3","5","1","6","1") = "5"
    & skf18("3","2","3","5","1","7","1") = "6"
    & skf18("3","2","3","5","1","8","1") = "7"
    & skf18("3","2","3","5","1","9","1") = "8"
    & skf18("3","2","3","5","1","10","1") = "9"
    & skf18("3","2","3","5","2","1","1") = "4"
    & skf18("3","2","3","5","2","2","1") = "4"
    & skf18("3","2","3","5","2","3","1") = "4"
    & skf18("3","2","3","5","2","4","1") = "4"
    & skf18("3","2","3","5","2","5","1") = "4"
    & skf18("3","2","3","5","2","6","1") = "5"
    & skf18("3","2","3","5","2","7","1") = "6"
    & skf18("3","2","3","5","2","8","1") = "7"
    & skf18("3","2","3","5","2","9","1") = "8"
    & skf18("3","2","3","5","2","10","1") = "9"
    & skf18("3","2","3","5","3","1","1") = "4"
    & skf18("3","2","3","5","3","2","1") = "4"
    & skf18("3","2","3","5","3","3","1") = "4"
    & skf18("3","2","3","5","3","4","1") = "4"
    & skf18("3","2","3","5","3","5","1") = "4"
    & skf18("3","2","3","5","3","6","1") = "5"
    & skf18("3","2","3","5","3","7","1") = "6"
    & skf18("3","2","3","5","3","8","1") = "7"
    & skf18("3","2","3","5","3","9","1") = "8"
    & skf18("3","2","3","5","3","10","1") = "9"
    & skf18("3","2","3","5","4","1","1") = "4"
    & skf18("3","2","3","5","4","2","1") = "4"
    & skf18("3","2","3","5","4","3","1") = "4"
    & skf18("3","2","3","5","4","4","1") = "4"
    & skf18("3","2","3","5","4","5","1") = "4"
    & skf18("3","2","3","5","4","6","1") = "5"
    & skf18("3","2","3","5","4","7","1") = "6"
    & skf18("3","2","3","5","4","8","1") = "7"
    & skf18("3","2","3","5","4","9","1") = "8"
    & skf18("3","2","3","5","4","10","1") = "9"
    & skf18("3","2","3","5","5","1","1") = "4"
    & skf18("3","2","3","5","5","2","1") = "4"
    & skf18("3","2","3","5","5","3","1") = "4"
    & skf18("3","2","3","5","5","4","1") = "4"
    & skf18("3","2","3","5","5","5","1") = "4"
    & skf18("3","2","3","5","5","6","1") = "5"
    & skf18("3","2","3","5","5","7","1") = "6"
    & skf18("3","2","3","5","5","8","1") = "7"
    & skf18("3","2","3","5","5","9","1") = "8"
    & skf18("3","2","3","5","5","10","1") = "9"
    & skf18("3","2","3","5","6","1","1") = "5"
    & skf18("3","2","3","5","6","2","1") = "5"
    & skf18("3","2","3","5","6","3","1") = "5"
    & skf18("3","2","3","5","6","4","1") = "5"
    & skf18("3","2","3","5","6","5","1") = "5"
    & skf18("3","2","3","5","6","6","1") = "5"
    & skf18("3","2","3","5","6","7","1") = "6"
    & skf18("3","2","3","5","6","8","1") = "7"
    & skf18("3","2","3","5","6","9","1") = "8"
    & skf18("3","2","3","5","6","10","1") = "9"
    & skf18("3","2","3","5","7","1","1") = "6"
    & skf18("3","2","3","5","7","2","1") = "6"
    & skf18("3","2","3","5","7","3","1") = "6"
    & skf18("3","2","3","5","7","4","1") = "6"
    & skf18("3","2","3","5","7","5","1") = "6"
    & skf18("3","2","3","5","7","6","1") = "6"
    & skf18("3","2","3","5","7","7","1") = "6"
    & skf18("3","2","3","5","7","8","1") = "7"
    & skf18("3","2","3","5","7","9","1") = "8"
    & skf18("3","2","3","5","7","10","1") = "9"
    & skf18("3","2","3","5","8","1","1") = "7"
    & skf18("3","2","3","5","8","2","1") = "7"
    & skf18("3","2","3","5","8","3","1") = "7"
    & skf18("3","2","3","5","8","4","1") = "7"
    & skf18("3","2","3","5","8","5","1") = "7"
    & skf18("3","2","3","5","8","6","1") = "7"
    & skf18("3","2","3","5","8","7","1") = "7"
    & skf18("3","2","3","5","8","8","1") = "7"
    & skf18("3","2","3","5","8","9","1") = "8"
    & skf18("3","2","3","5","8","10","1") = "9"
    & skf18("3","2","3","5","9","1","1") = "8"
    & skf18("3","2","3","5","9","2","1") = "8"
    & skf18("3","2","3","5","9","3","1") = "8"
    & skf18("3","2","3","5","9","4","1") = "8"
    & skf18("3","2","3","5","9","5","1") = "8"
    & skf18("3","2","3","5","9","6","1") = "8"
    & skf18("3","2","3","5","9","7","1") = "8"
    & skf18("3","2","3","5","9","8","1") = "8"
    & skf18("3","2","3","5","9","9","1") = "8"
    & skf18("3","2","3","5","9","10","1") = "9"
    & skf18("3","2","3","5","10","1","1") = "9"
    & skf18("3","2","3","5","10","2","1") = "9"
    & skf18("3","2","3","5","10","3","1") = "9"
    & skf18("3","2","3","5","10","4","1") = "9"
    & skf18("3","2","3","5","10","5","1") = "9"
    & skf18("3","2","3","5","10","6","1") = "9"
    & skf18("3","2","3","5","10","7","1") = "9"
    & skf18("3","2","3","5","10","8","1") = "9"
    & skf18("3","2","3","5","10","9","1") = "9"
    & skf18("3","2","3","5","10","10","1") = "9"
    & skf18("3","2","3","6","1","1","1") = "5"
    & skf18("3","2","3","6","1","2","1") = "5"
    & skf18("3","2","3","6","1","3","1") = "5"
    & skf18("3","2","3","6","1","4","1") = "5"
    & skf18("3","2","3","6","1","5","1") = "5"
    & skf18("3","2","3","6","1","6","1") = "5"
    & skf18("3","2","3","6","1","7","1") = "6"
    & skf18("3","2","3","6","1","8","1") = "7"
    & skf18("3","2","3","6","1","9","1") = "8"
    & skf18("3","2","3","6","1","10","1") = "9"
    & skf18("3","2","3","6","2","1","1") = "5"
    & skf18("3","2","3","6","2","2","1") = "5"
    & skf18("3","2","3","6","2","3","1") = "5"
    & skf18("3","2","3","6","2","4","1") = "5"
    & skf18("3","2","3","6","2","5","1") = "5"
    & skf18("3","2","3","6","2","6","1") = "5"
    & skf18("3","2","3","6","2","7","1") = "6"
    & skf18("3","2","3","6","2","8","1") = "7"
    & skf18("3","2","3","6","2","9","1") = "8"
    & skf18("3","2","3","6","2","10","1") = "9"
    & skf18("3","2","3","6","3","1","1") = "5"
    & skf18("3","2","3","6","3","2","1") = "5"
    & skf18("3","2","3","6","3","3","1") = "5"
    & skf18("3","2","3","6","3","4","1") = "5"
    & skf18("3","2","3","6","3","5","1") = "5"
    & skf18("3","2","3","6","3","6","1") = "5"
    & skf18("3","2","3","6","3","7","1") = "6"
    & skf18("3","2","3","6","3","8","1") = "7"
    & skf18("3","2","3","6","3","9","1") = "8"
    & skf18("3","2","3","6","3","10","1") = "9"
    & skf18("3","2","3","6","4","1","1") = "5"
    & skf18("3","2","3","6","4","2","1") = "5"
    & skf18("3","2","3","6","4","3","1") = "5"
    & skf18("3","2","3","6","4","4","1") = "5"
    & skf18("3","2","3","6","4","5","1") = "5"
    & skf18("3","2","3","6","4","6","1") = "5"
    & skf18("3","2","3","6","4","7","1") = "6"
    & skf18("3","2","3","6","4","8","1") = "7"
    & skf18("3","2","3","6","4","9","1") = "8"
    & skf18("3","2","3","6","4","10","1") = "9"
    & skf18("3","2","3","6","5","1","1") = "5"
    & skf18("3","2","3","6","5","2","1") = "5"
    & skf18("3","2","3","6","5","3","1") = "5"
    & skf18("3","2","3","6","5","4","1") = "5"
    & skf18("3","2","3","6","5","5","1") = "5"
    & skf18("3","2","3","6","5","6","1") = "5"
    & skf18("3","2","3","6","5","7","1") = "6"
    & skf18("3","2","3","6","5","8","1") = "7"
    & skf18("3","2","3","6","5","9","1") = "8"
    & skf18("3","2","3","6","5","10","1") = "9"
    & skf18("3","2","3","6","6","1","1") = "5"
    & skf18("3","2","3","6","6","2","1") = "5"
    & skf18("3","2","3","6","6","3","1") = "5"
    & skf18("3","2","3","6","6","4","1") = "5"
    & skf18("3","2","3","6","6","5","1") = "5"
    & skf18("3","2","3","6","6","6","1") = "5"
    & skf18("3","2","3","6","6","7","1") = "6"
    & skf18("3","2","3","6","6","8","1") = "7"
    & skf18("3","2","3","6","6","9","1") = "8"
    & skf18("3","2","3","6","6","10","1") = "9"
    & skf18("3","2","3","6","7","1","1") = "6"
    & skf18("3","2","3","6","7","2","1") = "6"
    & skf18("3","2","3","6","7","3","1") = "6"
    & skf18("3","2","3","6","7","4","1") = "6"
    & skf18("3","2","3","6","7","5","1") = "6"
    & skf18("3","2","3","6","7","6","1") = "6"
    & skf18("3","2","3","6","7","7","1") = "6"
    & skf18("3","2","3","6","7","8","1") = "7"
    & skf18("3","2","3","6","7","9","1") = "8"
    & skf18("3","2","3","6","7","10","1") = "9"
    & skf18("3","2","3","6","8","1","1") = "7"
    & skf18("3","2","3","6","8","2","1") = "7"
    & skf18("3","2","3","6","8","3","1") = "7"
    & skf18("3","2","3","6","8","4","1") = "7"
    & skf18("3","2","3","6","8","5","1") = "7"
    & skf18("3","2","3","6","8","6","1") = "7"
    & skf18("3","2","3","6","8","7","1") = "7"
    & skf18("3","2","3","6","8","8","1") = "7"
    & skf18("3","2","3","6","8","9","1") = "8"
    & skf18("3","2","3","6","8","10","1") = "9"
    & skf18("3","2","3","6","9","1","1") = "8"
    & skf18("3","2","3","6","9","2","1") = "8"
    & skf18("3","2","3","6","9","3","1") = "8"
    & skf18("3","2","3","6","9","4","1") = "8"
    & skf18("3","2","3","6","9","5","1") = "8"
    & skf18("3","2","3","6","9","6","1") = "8"
    & skf18("3","2","3","6","9","7","1") = "8"
    & skf18("3","2","3","6","9","8","1") = "8"
    & skf18("3","2","3","6","9","9","1") = "8"
    & skf18("3","2","3","6","9","10","1") = "9"
    & skf18("3","2","3","6","10","1","1") = "9"
    & skf18("3","2","3","6","10","2","1") = "9"
    & skf18("3","2","3","6","10","3","1") = "9"
    & skf18("3","2","3","6","10","4","1") = "9"
    & skf18("3","2","3","6","10","5","1") = "9"
    & skf18("3","2","3","6","10","6","1") = "9"
    & skf18("3","2","3","6","10","7","1") = "9"
    & skf18("3","2","3","6","10","8","1") = "9"
    & skf18("3","2","3","6","10","9","1") = "9"
    & skf18("3","2","3","6","10","10","1") = "9"
    & skf18("3","2","3","7","1","1","1") = "6"
    & skf18("3","2","3","7","1","2","1") = "6"
    & skf18("3","2","3","7","1","3","1") = "6"
    & skf18("3","2","3","7","1","4","1") = "6"
    & skf18("3","2","3","7","1","5","1") = "6"
    & skf18("3","2","3","7","1","6","1") = "6"
    & skf18("3","2","3","7","1","7","1") = "6"
    & skf18("3","2","3","7","1","8","1") = "7"
    & skf18("3","2","3","7","1","9","1") = "8"
    & skf18("3","2","3","7","1","10","1") = "9"
    & skf18("3","2","3","7","2","1","1") = "6"
    & skf18("3","2","3","7","2","2","1") = "6"
    & skf18("3","2","3","7","2","3","1") = "6"
    & skf18("3","2","3","7","2","4","1") = "6"
    & skf18("3","2","3","7","2","5","1") = "6"
    & skf18("3","2","3","7","2","6","1") = "6"
    & skf18("3","2","3","7","2","7","1") = "6"
    & skf18("3","2","3","7","2","8","1") = "7"
    & skf18("3","2","3","7","2","9","1") = "8"
    & skf18("3","2","3","7","2","10","1") = "9"
    & skf18("3","2","3","7","3","1","1") = "6"
    & skf18("3","2","3","7","3","2","1") = "6"
    & skf18("3","2","3","7","3","3","1") = "6"
    & skf18("3","2","3","7","3","4","1") = "6"
    & skf18("3","2","3","7","3","5","1") = "6"
    & skf18("3","2","3","7","3","6","1") = "6"
    & skf18("3","2","3","7","3","7","1") = "6"
    & skf18("3","2","3","7","3","8","1") = "7"
    & skf18("3","2","3","7","3","9","1") = "8"
    & skf18("3","2","3","7","3","10","1") = "9"
    & skf18("3","2","3","7","4","1","1") = "6"
    & skf18("3","2","3","7","4","2","1") = "6"
    & skf18("3","2","3","7","4","3","1") = "6"
    & skf18("3","2","3","7","4","4","1") = "6"
    & skf18("3","2","3","7","4","5","1") = "6"
    & skf18("3","2","3","7","4","6","1") = "6"
    & skf18("3","2","3","7","4","7","1") = "6"
    & skf18("3","2","3","7","4","8","1") = "7"
    & skf18("3","2","3","7","4","9","1") = "8"
    & skf18("3","2","3","7","4","10","1") = "9"
    & skf18("3","2","3","7","5","1","1") = "6"
    & skf18("3","2","3","7","5","2","1") = "6"
    & skf18("3","2","3","7","5","3","1") = "6"
    & skf18("3","2","3","7","5","4","1") = "6"
    & skf18("3","2","3","7","5","5","1") = "6"
    & skf18("3","2","3","7","5","6","1") = "6"
    & skf18("3","2","3","7","5","7","1") = "6"
    & skf18("3","2","3","7","5","8","1") = "7"
    & skf18("3","2","3","7","5","9","1") = "8"
    & skf18("3","2","3","7","5","10","1") = "9"
    & skf18("3","2","3","7","6","1","1") = "6"
    & skf18("3","2","3","7","6","2","1") = "6"
    & skf18("3","2","3","7","6","3","1") = "6"
    & skf18("3","2","3","7","6","4","1") = "6"
    & skf18("3","2","3","7","6","5","1") = "6"
    & skf18("3","2","3","7","6","6","1") = "6"
    & skf18("3","2","3","7","6","7","1") = "6"
    & skf18("3","2","3","7","6","8","1") = "7"
    & skf18("3","2","3","7","6","9","1") = "8"
    & skf18("3","2","3","7","6","10","1") = "9"
    & skf18("3","2","3","7","7","1","1") = "6"
    & skf18("3","2","3","7","7","2","1") = "6"
    & skf18("3","2","3","7","7","3","1") = "6"
    & skf18("3","2","3","7","7","4","1") = "6"
    & skf18("3","2","3","7","7","5","1") = "6"
    & skf18("3","2","3","7","7","6","1") = "6"
    & skf18("3","2","3","7","7","7","1") = "6"
    & skf18("3","2","3","7","7","8","1") = "7"
    & skf18("3","2","3","7","7","9","1") = "8"
    & skf18("3","2","3","7","7","10","1") = "9"
    & skf18("3","2","3","7","8","1","1") = "7"
    & skf18("3","2","3","7","8","2","1") = "7"
    & skf18("3","2","3","7","8","3","1") = "7"
    & skf18("3","2","3","7","8","4","1") = "7"
    & skf18("3","2","3","7","8","5","1") = "7"
    & skf18("3","2","3","7","8","6","1") = "7"
    & skf18("3","2","3","7","8","7","1") = "7"
    & skf18("3","2","3","7","8","8","1") = "7"
    & skf18("3","2","3","7","8","9","1") = "8"
    & skf18("3","2","3","7","8","10","1") = "9"
    & skf18("3","2","3","7","9","1","1") = "8"
    & skf18("3","2","3","7","9","2","1") = "8"
    & skf18("3","2","3","7","9","3","1") = "8"
    & skf18("3","2","3","7","9","4","1") = "8"
    & skf18("3","2","3","7","9","5","1") = "8"
    & skf18("3","2","3","7","9","6","1") = "8"
    & skf18("3","2","3","7","9","7","1") = "8"
    & skf18("3","2","3","7","9","8","1") = "8"
    & skf18("3","2","3","7","9","9","1") = "8"
    & skf18("3","2","3","7","9","10","1") = "9"
    & skf18("3","2","3","7","10","1","1") = "9"
    & skf18("3","2","3","7","10","2","1") = "9"
    & skf18("3","2","3","7","10","3","1") = "9"
    & skf18("3","2","3","7","10","4","1") = "9"
    & skf18("3","2","3","7","10","5","1") = "9"
    & skf18("3","2","3","7","10","6","1") = "9"
    & skf18("3","2","3","7","10","7","1") = "9"
    & skf18("3","2","3","7","10","8","1") = "9"
    & skf18("3","2","3","7","10","9","1") = "9"
    & skf18("3","2","3","7","10","10","1") = "9"
    & skf18("3","2","3","8","1","1","1") = "7"
    & skf18("3","2","3","8","1","2","1") = "7"
    & skf18("3","2","3","8","1","3","1") = "7"
    & skf18("3","2","3","8","1","4","1") = "7"
    & skf18("3","2","3","8","1","5","1") = "7"
    & skf18("3","2","3","8","1","6","1") = "7"
    & skf18("3","2","3","8","1","7","1") = "7"
    & skf18("3","2","3","8","1","8","1") = "7"
    & skf18("3","2","3","8","1","9","1") = "8"
    & skf18("3","2","3","8","1","10","1") = "9"
    & skf18("3","2","3","8","2","1","1") = "7"
    & skf18("3","2","3","8","2","2","1") = "7"
    & skf18("3","2","3","8","2","3","1") = "7"
    & skf18("3","2","3","8","2","4","1") = "7"
    & skf18("3","2","3","8","2","5","1") = "7"
    & skf18("3","2","3","8","2","6","1") = "7"
    & skf18("3","2","3","8","2","7","1") = "7"
    & skf18("3","2","3","8","2","8","1") = "7"
    & skf18("3","2","3","8","2","9","1") = "8"
    & skf18("3","2","3","8","2","10","1") = "9"
    & skf18("3","2","3","8","3","1","1") = "7"
    & skf18("3","2","3","8","3","2","1") = "7"
    & skf18("3","2","3","8","3","3","1") = "7"
    & skf18("3","2","3","8","3","4","1") = "7"
    & skf18("3","2","3","8","3","5","1") = "7"
    & skf18("3","2","3","8","3","6","1") = "7"
    & skf18("3","2","3","8","3","7","1") = "7"
    & skf18("3","2","3","8","3","8","1") = "7"
    & skf18("3","2","3","8","3","9","1") = "8"
    & skf18("3","2","3","8","3","10","1") = "9"
    & skf18("3","2","3","8","4","1","1") = "7"
    & skf18("3","2","3","8","4","2","1") = "7"
    & skf18("3","2","3","8","4","3","1") = "7"
    & skf18("3","2","3","8","4","4","1") = "7"
    & skf18("3","2","3","8","4","5","1") = "7"
    & skf18("3","2","3","8","4","6","1") = "7"
    & skf18("3","2","3","8","4","7","1") = "7"
    & skf18("3","2","3","8","4","8","1") = "7"
    & skf18("3","2","3","8","4","9","1") = "8"
    & skf18("3","2","3","8","4","10","1") = "9"
    & skf18("3","2","3","8","5","1","1") = "7"
    & skf18("3","2","3","8","5","2","1") = "7"
    & skf18("3","2","3","8","5","3","1") = "7"
    & skf18("3","2","3","8","5","4","1") = "7"
    & skf18("3","2","3","8","5","5","1") = "7"
    & skf18("3","2","3","8","5","6","1") = "7"
    & skf18("3","2","3","8","5","7","1") = "7"
    & skf18("3","2","3","8","5","8","1") = "7"
    & skf18("3","2","3","8","5","9","1") = "8"
    & skf18("3","2","3","8","5","10","1") = "9"
    & skf18("3","2","3","8","6","1","1") = "7"
    & skf18("3","2","3","8","6","2","1") = "7"
    & skf18("3","2","3","8","6","3","1") = "7"
    & skf18("3","2","3","8","6","4","1") = "7"
    & skf18("3","2","3","8","6","5","1") = "7"
    & skf18("3","2","3","8","6","6","1") = "7"
    & skf18("3","2","3","8","6","7","1") = "7"
    & skf18("3","2","3","8","6","8","1") = "7"
    & skf18("3","2","3","8","6","9","1") = "8"
    & skf18("3","2","3","8","6","10","1") = "9"
    & skf18("3","2","3","8","7","1","1") = "7"
    & skf18("3","2","3","8","7","2","1") = "7"
    & skf18("3","2","3","8","7","3","1") = "7"
    & skf18("3","2","3","8","7","4","1") = "7"
    & skf18("3","2","3","8","7","5","1") = "7"
    & skf18("3","2","3","8","7","6","1") = "7"
    & skf18("3","2","3","8","7","7","1") = "7"
    & skf18("3","2","3","8","7","8","1") = "7"
    & skf18("3","2","3","8","7","9","1") = "8"
    & skf18("3","2","3","8","7","10","1") = "9"
    & skf18("3","2","3","8","8","1","1") = "7"
    & skf18("3","2","3","8","8","2","1") = "7"
    & skf18("3","2","3","8","8","3","1") = "7"
    & skf18("3","2","3","8","8","4","1") = "7"
    & skf18("3","2","3","8","8","5","1") = "7"
    & skf18("3","2","3","8","8","6","1") = "7"
    & skf18("3","2","3","8","8","7","1") = "7"
    & skf18("3","2","3","8","8","8","1") = "7"
    & skf18("3","2","3","8","8","9","1") = "8"
    & skf18("3","2","3","8","8","10","1") = "9"
    & skf18("3","2","3","8","9","1","1") = "8"
    & skf18("3","2","3","8","9","2","1") = "8"
    & skf18("3","2","3","8","9","3","1") = "8"
    & skf18("3","2","3","8","9","4","1") = "8"
    & skf18("3","2","3","8","9","5","1") = "8"
    & skf18("3","2","3","8","9","6","1") = "8"
    & skf18("3","2","3","8","9","7","1") = "8"
    & skf18("3","2","3","8","9","8","1") = "8"
    & skf18("3","2","3","8","9","9","1") = "8"
    & skf18("3","2","3","8","9","10","1") = "9"
    & skf18("3","2","3","8","10","1","1") = "9"
    & skf18("3","2","3","8","10","2","1") = "9"
    & skf18("3","2","3","8","10","3","1") = "9"
    & skf18("3","2","3","8","10","4","1") = "9"
    & skf18("3","2","3","8","10","5","1") = "9"
    & skf18("3","2","3","8","10","6","1") = "9"
    & skf18("3","2","3","8","10","7","1") = "9"
    & skf18("3","2","3","8","10","8","1") = "9"
    & skf18("3","2","3","8","10","9","1") = "9"
    & skf18("3","2","3","8","10","10","1") = "9"
    & skf18("3","2","3","9","1","1","1") = "8"
    & skf18("3","2","3","9","1","2","1") = "8"
    & skf18("3","2","3","9","1","3","1") = "8"
    & skf18("3","2","3","9","1","4","1") = "8"
    & skf18("3","2","3","9","1","5","1") = "8"
    & skf18("3","2","3","9","1","6","1") = "8"
    & skf18("3","2","3","9","1","7","1") = "8"
    & skf18("3","2","3","9","1","8","1") = "8"
    & skf18("3","2","3","9","1","9","1") = "8"
    & skf18("3","2","3","9","1","10","1") = "9"
    & skf18("3","2","3","9","2","1","1") = "8"
    & skf18("3","2","3","9","2","2","1") = "8"
    & skf18("3","2","3","9","2","3","1") = "8"
    & skf18("3","2","3","9","2","4","1") = "8"
    & skf18("3","2","3","9","2","5","1") = "8"
    & skf18("3","2","3","9","2","6","1") = "8"
    & skf18("3","2","3","9","2","7","1") = "8"
    & skf18("3","2","3","9","2","8","1") = "8"
    & skf18("3","2","3","9","2","9","1") = "8"
    & skf18("3","2","3","9","2","10","1") = "9"
    & skf18("3","2","3","9","3","1","1") = "8"
    & skf18("3","2","3","9","3","2","1") = "8"
    & skf18("3","2","3","9","3","3","1") = "8"
    & skf18("3","2","3","9","3","4","1") = "8"
    & skf18("3","2","3","9","3","5","1") = "8"
    & skf18("3","2","3","9","3","6","1") = "8"
    & skf18("3","2","3","9","3","7","1") = "8"
    & skf18("3","2","3","9","3","8","1") = "8"
    & skf18("3","2","3","9","3","9","1") = "8"
    & skf18("3","2","3","9","3","10","1") = "9"
    & skf18("3","2","3","9","4","1","1") = "8"
    & skf18("3","2","3","9","4","2","1") = "8"
    & skf18("3","2","3","9","4","3","1") = "8"
    & skf18("3","2","3","9","4","4","1") = "8"
    & skf18("3","2","3","9","4","5","1") = "8"
    & skf18("3","2","3","9","4","6","1") = "8"
    & skf18("3","2","3","9","4","7","1") = "8"
    & skf18("3","2","3","9","4","8","1") = "8"
    & skf18("3","2","3","9","4","9","1") = "8"
    & skf18("3","2","3","9","4","10","1") = "9"
    & skf18("3","2","3","9","5","1","1") = "8"
    & skf18("3","2","3","9","5","2","1") = "8"
    & skf18("3","2","3","9","5","3","1") = "8"
    & skf18("3","2","3","9","5","4","1") = "8"
    & skf18("3","2","3","9","5","5","1") = "8"
    & skf18("3","2","3","9","5","6","1") = "8"
    & skf18("3","2","3","9","5","7","1") = "8"
    & skf18("3","2","3","9","5","8","1") = "8"
    & skf18("3","2","3","9","5","9","1") = "8"
    & skf18("3","2","3","9","5","10","1") = "9"
    & skf18("3","2","3","9","6","1","1") = "8"
    & skf18("3","2","3","9","6","2","1") = "8"
    & skf18("3","2","3","9","6","3","1") = "8"
    & skf18("3","2","3","9","6","4","1") = "8"
    & skf18("3","2","3","9","6","5","1") = "8"
    & skf18("3","2","3","9","6","6","1") = "8"
    & skf18("3","2","3","9","6","7","1") = "8"
    & skf18("3","2","3","9","6","8","1") = "8"
    & skf18("3","2","3","9","6","9","1") = "8"
    & skf18("3","2","3","9","6","10","1") = "9"
    & skf18("3","2","3","9","7","1","1") = "8"
    & skf18("3","2","3","9","7","2","1") = "8"
    & skf18("3","2","3","9","7","3","1") = "8"
    & skf18("3","2","3","9","7","4","1") = "8"
    & skf18("3","2","3","9","7","5","1") = "8"
    & skf18("3","2","3","9","7","6","1") = "8"
    & skf18("3","2","3","9","7","7","1") = "8"
    & skf18("3","2","3","9","7","8","1") = "8"
    & skf18("3","2","3","9","7","9","1") = "8"
    & skf18("3","2","3","9","7","10","1") = "9"
    & skf18("3","2","3","9","8","1","1") = "8"
    & skf18("3","2","3","9","8","2","1") = "8"
    & skf18("3","2","3","9","8","3","1") = "8"
    & skf18("3","2","3","9","8","4","1") = "8"
    & skf18("3","2","3","9","8","5","1") = "8"
    & skf18("3","2","3","9","8","6","1") = "8"
    & skf18("3","2","3","9","8","7","1") = "8"
    & skf18("3","2","3","9","8","8","1") = "8"
    & skf18("3","2","3","9","8","9","1") = "8"
    & skf18("3","2","3","9","8","10","1") = "9"
    & skf18("3","2","3","9","9","1","1") = "8"
    & skf18("3","2","3","9","9","2","1") = "8"
    & skf18("3","2","3","9","9","3","1") = "8"
    & skf18("3","2","3","9","9","4","1") = "8"
    & skf18("3","2","3","9","9","5","1") = "8"
    & skf18("3","2","3","9","9","6","1") = "8"
    & skf18("3","2","3","9","9","7","1") = "8"
    & skf18("3","2","3","9","9","8","1") = "8"
    & skf18("3","2","3","9","9","9","1") = "8"
    & skf18("3","2","3","9","9","10","1") = "9"
    & skf18("3","2","3","9","10","1","1") = "9"
    & skf18("3","2","3","9","10","2","1") = "9"
    & skf18("3","2","3","9","10","3","1") = "9"
    & skf18("3","2","3","9","10","4","1") = "9"
    & skf18("3","2","3","9","10","5","1") = "9"
    & skf18("3","2","3","9","10","6","1") = "9"
    & skf18("3","2","3","9","10","7","1") = "9"
    & skf18("3","2","3","9","10","8","1") = "9"
    & skf18("3","2","3","9","10","9","1") = "9"
    & skf18("3","2","3","9","10","10","1") = "9"
    & skf18("3","2","3","10","1","1","1") = "9"
    & skf18("3","2","3","10","1","2","1") = "9"
    & skf18("3","2","3","10","1","3","1") = "9"
    & skf18("3","2","3","10","1","4","1") = "9"
    & skf18("3","2","3","10","1","5","1") = "9"
    & skf18("3","2","3","10","1","6","1") = "9"
    & skf18("3","2","3","10","1","7","1") = "9"
    & skf18("3","2","3","10","1","8","1") = "9"
    & skf18("3","2","3","10","1","9","1") = "9"
    & skf18("3","2","3","10","1","10","1") = "9"
    & skf18("3","2","3","10","2","1","1") = "9"
    & skf18("3","2","3","10","2","2","1") = "9"
    & skf18("3","2","3","10","2","3","1") = "9"
    & skf18("3","2","3","10","2","4","1") = "9"
    & skf18("3","2","3","10","2","5","1") = "9"
    & skf18("3","2","3","10","2","6","1") = "9"
    & skf18("3","2","3","10","2","7","1") = "9"
    & skf18("3","2","3","10","2","8","1") = "9"
    & skf18("3","2","3","10","2","9","1") = "9"
    & skf18("3","2","3","10","2","10","1") = "9"
    & skf18("3","2","3","10","3","1","1") = "9"
    & skf18("3","2","3","10","3","2","1") = "9"
    & skf18("3","2","3","10","3","3","1") = "9"
    & skf18("3","2","3","10","3","4","1") = "9"
    & skf18("3","2","3","10","3","5","1") = "9"
    & skf18("3","2","3","10","3","6","1") = "9"
    & skf18("3","2","3","10","3","7","1") = "9"
    & skf18("3","2","3","10","3","8","1") = "9"
    & skf18("3","2","3","10","3","9","1") = "9"
    & skf18("3","2","3","10","3","10","1") = "9"
    & skf18("3","2","3","10","4","1","1") = "9"
    & skf18("3","2","3","10","4","2","1") = "9"
    & skf18("3","2","3","10","4","3","1") = "9"
    & skf18("3","2","3","10","4","4","1") = "9"
    & skf18("3","2","3","10","4","5","1") = "9"
    & skf18("3","2","3","10","4","6","1") = "9"
    & skf18("3","2","3","10","4","7","1") = "9"
    & skf18("3","2","3","10","4","8","1") = "9"
    & skf18("3","2","3","10","4","9","1") = "9"
    & skf18("3","2","3","10","4","10","1") = "9"
    & skf18("3","2","3","10","5","1","1") = "9"
    & skf18("3","2","3","10","5","2","1") = "9"
    & skf18("3","2","3","10","5","3","1") = "9"
    & skf18("3","2","3","10","5","4","1") = "9"
    & skf18("3","2","3","10","5","5","1") = "9"
    & skf18("3","2","3","10","5","6","1") = "9"
    & skf18("3","2","3","10","5","7","1") = "9"
    & skf18("3","2","3","10","5","8","1") = "9"
    & skf18("3","2","3","10","5","9","1") = "9"
    & skf18("3","2","3","10","5","10","1") = "9"
    & skf18("3","2","3","10","6","1","1") = "9"
    & skf18("3","2","3","10","6","2","1") = "9"
    & skf18("3","2","3","10","6","3","1") = "9"
    & skf18("3","2","3","10","6","4","1") = "9"
    & skf18("3","2","3","10","6","5","1") = "9"
    & skf18("3","2","3","10","6","6","1") = "9"
    & skf18("3","2","3","10","6","7","1") = "9"
    & skf18("3","2","3","10","6","8","1") = "9"
    & skf18("3","2","3","10","6","9","1") = "9"
    & skf18("3","2","3","10","6","10","1") = "9"
    & skf18("3","2","3","10","7","1","1") = "9"
    & skf18("3","2","3","10","7","2","1") = "9"
    & skf18("3","2","3","10","7","3","1") = "9"
    & skf18("3","2","3","10","7","4","1") = "9"
    & skf18("3","2","3","10","7","5","1") = "9"
    & skf18("3","2","3","10","7","6","1") = "9"
    & skf18("3","2","3","10","7","7","1") = "9"
    & skf18("3","2","3","10","7","8","1") = "9"
    & skf18("3","2","3","10","7","9","1") = "9"
    & skf18("3","2","3","10","7","10","1") = "9"
    & skf18("3","2","3","10","8","1","1") = "9"
    & skf18("3","2","3","10","8","2","1") = "9"
    & skf18("3","2","3","10","8","3","1") = "9"
    & skf18("3","2","3","10","8","4","1") = "9"
    & skf18("3","2","3","10","8","5","1") = "9"
    & skf18("3","2","3","10","8","6","1") = "9"
    & skf18("3","2","3","10","8","7","1") = "9"
    & skf18("3","2","3","10","8","8","1") = "9"
    & skf18("3","2","3","10","8","9","1") = "9"
    & skf18("3","2","3","10","8","10","1") = "9"
    & skf18("3","2","3","10","9","1","1") = "9"
    & skf18("3","2","3","10","9","2","1") = "9"
    & skf18("3","2","3","10","9","3","1") = "9"
    & skf18("3","2","3","10","9","4","1") = "9"
    & skf18("3","2","3","10","9","5","1") = "9"
    & skf18("3","2","3","10","9","6","1") = "9"
    & skf18("3","2","3","10","9","7","1") = "9"
    & skf18("3","2","3","10","9","8","1") = "9"
    & skf18("3","2","3","10","9","9","1") = "9"
    & skf18("3","2","3","10","9","10","1") = "9"
    & skf18("3","2","3","10","10","1","1") = "9"
    & skf18("3","2","3","10","10","2","1") = "9"
    & skf18("3","2","3","10","10","3","1") = "9"
    & skf18("3","2","3","10","10","4","1") = "9"
    & skf18("3","2","3","10","10","5","1") = "9"
    & skf18("3","2","3","10","10","6","1") = "9"
    & skf18("3","2","3","10","10","7","1") = "9"
    & skf18("3","2","3","10","10","8","1") = "9"
    & skf18("3","2","3","10","10","9","1") = "9"
    & skf18("3","2","3","10","10","10","1") = "9"
    & skf18("3","2","4","1","1","1","1") = "3"
    & skf18("3","2","4","1","1","2","1") = "3"
    & skf18("3","2","4","1","1","3","1") = "3"
    & skf18("3","2","4","1","1","4","1") = "3"
    & skf18("3","2","4","1","1","5","1") = "4"
    & skf18("3","2","4","1","1","6","1") = "5"
    & skf18("3","2","4","1","1","7","1") = "6"
    & skf18("3","2","4","1","1","8","1") = "7"
    & skf18("3","2","4","1","1","9","1") = "8"
    & skf18("3","2","4","1","1","10","1") = "9"
    & skf18("3","2","4","1","2","1","1") = "3"
    & skf18("3","2","4","1","2","2","1") = "3"
    & skf18("3","2","4","1","2","3","1") = "3"
    & skf18("3","2","4","1","2","4","1") = "3"
    & skf18("3","2","4","1","2","5","1") = "4"
    & skf18("3","2","4","1","2","6","1") = "5"
    & skf18("3","2","4","1","2","7","1") = "6"
    & skf18("3","2","4","1","2","8","1") = "7"
    & skf18("3","2","4","1","2","9","1") = "8"
    & skf18("3","2","4","1","2","10","1") = "9"
    & skf18("3","2","4","1","3","1","1") = "3"
    & skf18("3","2","4","1","3","2","1") = "3"
    & skf18("3","2","4","1","3","3","1") = "3"
    & skf18("3","2","4","1","3","4","1") = "3"
    & skf18("3","2","4","1","3","5","1") = "4"
    & skf18("3","2","4","1","3","6","1") = "5"
    & skf18("3","2","4","1","3","7","1") = "6"
    & skf18("3","2","4","1","3","8","1") = "7"
    & skf18("3","2","4","1","3","9","1") = "8"
    & skf18("3","2","4","1","3","10","1") = "9"
    & skf18("3","2","4","1","4","1","1") = "3"
    & skf18("3","2","4","1","4","2","1") = "3"
    & skf18("3","2","4","1","4","3","1") = "3"
    & skf18("3","2","4","1","4","4","1") = "3"
    & skf18("3","2","4","1","4","5","1") = "4"
    & skf18("3","2","4","1","4","6","1") = "5"
    & skf18("3","2","4","1","4","7","1") = "6"
    & skf18("3","2","4","1","4","8","1") = "7"
    & skf18("3","2","4","1","4","9","1") = "8"
    & skf18("3","2","4","1","4","10","1") = "9"
    & skf18("3","2","4","1","5","1","1") = "4"
    & skf18("3","2","4","1","5","2","1") = "4"
    & skf18("3","2","4","1","5","3","1") = "4"
    & skf18("3","2","4","1","5","4","1") = "4"
    & skf18("3","2","4","1","5","5","1") = "4"
    & skf18("3","2","4","1","5","6","1") = "5"
    & skf18("3","2","4","1","5","7","1") = "6"
    & skf18("3","2","4","1","5","8","1") = "7"
    & skf18("3","2","4","1","5","9","1") = "8"
    & skf18("3","2","4","1","5","10","1") = "9"
    & skf18("3","2","4","1","6","1","1") = "5"
    & skf18("3","2","4","1","6","2","1") = "5"
    & skf18("3","2","4","1","6","3","1") = "5"
    & skf18("3","2","4","1","6","4","1") = "5"
    & skf18("3","2","4","1","6","5","1") = "5"
    & skf18("3","2","4","1","6","6","1") = "5"
    & skf18("3","2","4","1","6","7","1") = "6"
    & skf18("3","2","4","1","6","8","1") = "7"
    & skf18("3","2","4","1","6","9","1") = "8"
    & skf18("3","2","4","1","6","10","1") = "9"
    & skf18("3","2","4","1","7","1","1") = "6"
    & skf18("3","2","4","1","7","2","1") = "6"
    & skf18("3","2","4","1","7","3","1") = "6"
    & skf18("3","2","4","1","7","4","1") = "6"
    & skf18("3","2","4","1","7","5","1") = "6"
    & skf18("3","2","4","1","7","6","1") = "6"
    & skf18("3","2","4","1","7","7","1") = "6"
    & skf18("3","2","4","1","7","8","1") = "7"
    & skf18("3","2","4","1","7","9","1") = "8"
    & skf18("3","2","4","1","7","10","1") = "9"
    & skf18("3","2","4","1","8","1","1") = "7"
    & skf18("3","2","4","1","8","2","1") = "7"
    & skf18("3","2","4","1","8","3","1") = "7"
    & skf18("3","2","4","1","8","4","1") = "7"
    & skf18("3","2","4","1","8","5","1") = "7"
    & skf18("3","2","4","1","8","6","1") = "7"
    & skf18("3","2","4","1","8","7","1") = "7"
    & skf18("3","2","4","1","8","8","1") = "7"
    & skf18("3","2","4","1","8","9","1") = "8"
    & skf18("3","2","4","1","8","10","1") = "9"
    & skf18("3","2","4","1","9","1","1") = "8"
    & skf18("3","2","4","1","9","2","1") = "8"
    & skf18("3","2","4","1","9","3","1") = "8"
    & skf18("3","2","4","1","9","4","1") = "8"
    & skf18("3","2","4","1","9","5","1") = "8"
    & skf18("3","2","4","1","9","6","1") = "8"
    & skf18("3","2","4","1","9","7","1") = "8"
    & skf18("3","2","4","1","9","8","1") = "8"
    & skf18("3","2","4","1","9","9","1") = "8"
    & skf18("3","2","4","1","9","10","1") = "9"
    & skf18("3","2","4","1","10","1","1") = "9"
    & skf18("3","2","4","1","10","2","1") = "9"
    & skf18("3","2","4","1","10","3","1") = "9"
    & skf18("3","2","4","1","10","4","1") = "9"
    & skf18("3","2","4","1","10","5","1") = "9"
    & skf18("3","2","4","1","10","6","1") = "9"
    & skf18("3","2","4","1","10","7","1") = "9"
    & skf18("3","2","4","1","10","8","1") = "9"
    & skf18("3","2","4","1","10","9","1") = "9"
    & skf18("3","2","4","1","10","10","1") = "9"
    & skf18("3","2","4","2","1","1","1") = "3"
    & skf18("3","2","4","2","1","2","1") = "3"
    & skf18("3","2","4","2","1","3","1") = "3"
    & skf18("3","2","4","2","1","4","1") = "3"
    & skf18("3","2","4","2","1","5","1") = "4"
    & skf18("3","2","4","2","1","6","1") = "5"
    & skf18("3","2","4","2","1","7","1") = "6"
    & skf18("3","2","4","2","1","8","1") = "7"
    & skf18("3","2","4","2","1","9","1") = "8"
    & skf18("3","2","4","2","1","10","1") = "9"
    & skf18("3","2","4","2","2","1","1") = "3"
    & skf18("3","2","4","2","2","2","1") = "3"
    & skf18("3","2","4","2","2","3","1") = "3"
    & skf18("3","2","4","2","2","4","1") = "3"
    & skf18("3","2","4","2","2","5","1") = "4"
    & skf18("3","2","4","2","2","6","1") = "5"
    & skf18("3","2","4","2","2","7","1") = "6"
    & skf18("3","2","4","2","2","8","1") = "7"
    & skf18("3","2","4","2","2","9","1") = "8"
    & skf18("3","2","4","2","2","10","1") = "9"
    & skf18("3","2","4","2","3","1","1") = "3"
    & skf18("3","2","4","2","3","2","1") = "3"
    & skf18("3","2","4","2","3","3","1") = "3"
    & skf18("3","2","4","2","3","4","1") = "3"
    & skf18("3","2","4","2","3","5","1") = "4"
    & skf18("3","2","4","2","3","6","1") = "5"
    & skf18("3","2","4","2","3","7","1") = "6"
    & skf18("3","2","4","2","3","8","1") = "7"
    & skf18("3","2","4","2","3","9","1") = "8"
    & skf18("3","2","4","2","3","10","1") = "9"
    & skf18("3","2","4","2","4","1","1") = "3"
    & skf18("3","2","4","2","4","2","1") = "3"
    & skf18("3","2","4","2","4","3","1") = "3"
    & skf18("3","2","4","2","4","4","1") = "3"
    & skf18("3","2","4","2","4","5","1") = "4"
    & skf18("3","2","4","2","4","6","1") = "5"
    & skf18("3","2","4","2","4","7","1") = "6"
    & skf18("3","2","4","2","4","8","1") = "7"
    & skf18("3","2","4","2","4","9","1") = "8"
    & skf18("3","2","4","2","4","10","1") = "9"
    & skf18("3","2","4","2","5","1","1") = "4"
    & skf18("3","2","4","2","5","2","1") = "4"
    & skf18("3","2","4","2","5","3","1") = "4"
    & skf18("3","2","4","2","5","4","1") = "4"
    & skf18("3","2","4","2","5","5","1") = "4"
    & skf18("3","2","4","2","5","6","1") = "5"
    & skf18("3","2","4","2","5","7","1") = "6"
    & skf18("3","2","4","2","5","8","1") = "7"
    & skf18("3","2","4","2","5","9","1") = "8"
    & skf18("3","2","4","2","5","10","1") = "9"
    & skf18("3","2","4","2","6","1","1") = "5"
    & skf18("3","2","4","2","6","2","1") = "5"
    & skf18("3","2","4","2","6","3","1") = "5"
    & skf18("3","2","4","2","6","4","1") = "5"
    & skf18("3","2","4","2","6","5","1") = "5"
    & skf18("3","2","4","2","6","6","1") = "5"
    & skf18("3","2","4","2","6","7","1") = "6"
    & skf18("3","2","4","2","6","8","1") = "7"
    & skf18("3","2","4","2","6","9","1") = "8"
    & skf18("3","2","4","2","6","10","1") = "9"
    & skf18("3","2","4","2","7","1","1") = "6"
    & skf18("3","2","4","2","7","2","1") = "6"
    & skf18("3","2","4","2","7","3","1") = "6"
    & skf18("3","2","4","2","7","4","1") = "6"
    & skf18("3","2","4","2","7","5","1") = "6"
    & skf18("3","2","4","2","7","6","1") = "6"
    & skf18("3","2","4","2","7","7","1") = "6"
    & skf18("3","2","4","2","7","8","1") = "7"
    & skf18("3","2","4","2","7","9","1") = "8"
    & skf18("3","2","4","2","7","10","1") = "9"
    & skf18("3","2","4","2","8","1","1") = "7"
    & skf18("3","2","4","2","8","2","1") = "7"
    & skf18("3","2","4","2","8","3","1") = "7"
    & skf18("3","2","4","2","8","4","1") = "7"
    & skf18("3","2","4","2","8","5","1") = "7"
    & skf18("3","2","4","2","8","6","1") = "7"
    & skf18("3","2","4","2","8","7","1") = "7"
    & skf18("3","2","4","2","8","8","1") = "7"
    & skf18("3","2","4","2","8","9","1") = "8"
    & skf18("3","2","4","2","8","10","1") = "9"
    & skf18("3","2","4","2","9","1","1") = "8"
    & skf18("3","2","4","2","9","2","1") = "8"
    & skf18("3","2","4","2","9","3","1") = "8"
    & skf18("3","2","4","2","9","4","1") = "8"
    & skf18("3","2","4","2","9","5","1") = "8"
    & skf18("3","2","4","2","9","6","1") = "8"
    & skf18("3","2","4","2","9","7","1") = "8"
    & skf18("3","2","4","2","9","8","1") = "8"
    & skf18("3","2","4","2","9","9","1") = "8"
    & skf18("3","2","4","2","9","10","1") = "9"
    & skf18("3","2","4","2","10","1","1") = "9"
    & skf18("3","2","4","2","10","2","1") = "9"
    & skf18("3","2","4","2","10","3","1") = "9"
    & skf18("3","2","4","2","10","4","1") = "9"
    & skf18("3","2","4","2","10","5","1") = "9"
    & skf18("3","2","4","2","10","6","1") = "9"
    & skf18("3","2","4","2","10","7","1") = "9"
    & skf18("3","2","4","2","10","8","1") = "9"
    & skf18("3","2","4","2","10","9","1") = "9"
    & skf18("3","2","4","2","10","10","1") = "9"
    & skf18("3","2","4","3","1","1","1") = "3"
    & skf18("3","2","4","3","1","2","1") = "3"
    & skf18("3","2","4","3","1","3","1") = "3"
    & skf18("3","2","4","3","1","4","1") = "3"
    & skf18("3","2","4","3","1","5","1") = "4"
    & skf18("3","2","4","3","1","6","1") = "5"
    & skf18("3","2","4","3","1","7","1") = "6"
    & skf18("3","2","4","3","1","8","1") = "7"
    & skf18("3","2","4","3","1","9","1") = "8"
    & skf18("3","2","4","3","1","10","1") = "9"
    & skf18("3","2","4","3","2","1","1") = "3"
    & skf18("3","2","4","3","2","2","1") = "3"
    & skf18("3","2","4","3","2","3","1") = "3"
    & skf18("3","2","4","3","2","4","1") = "3"
    & skf18("3","2","4","3","2","5","1") = "4"
    & skf18("3","2","4","3","2","6","1") = "5"
    & skf18("3","2","4","3","2","7","1") = "6"
    & skf18("3","2","4","3","2","8","1") = "7"
    & skf18("3","2","4","3","2","9","1") = "8"
    & skf18("3","2","4","3","2","10","1") = "9"
    & skf18("3","2","4","3","3","1","1") = "3"
    & skf18("3","2","4","3","3","2","1") = "3"
    & skf18("3","2","4","3","3","3","1") = "3"
    & skf18("3","2","4","3","3","4","1") = "3"
    & skf18("3","2","4","3","3","5","1") = "4"
    & skf18("3","2","4","3","3","6","1") = "5"
    & skf18("3","2","4","3","3","7","1") = "6"
    & skf18("3","2","4","3","3","8","1") = "7"
    & skf18("3","2","4","3","3","9","1") = "8"
    & skf18("3","2","4","3","3","10","1") = "9"
    & skf18("3","2","4","3","4","1","1") = "3"
    & skf18("3","2","4","3","4","2","1") = "3"
    & skf18("3","2","4","3","4","3","1") = "3"
    & skf18("3","2","4","3","4","4","1") = "3"
    & skf18("3","2","4","3","4","5","1") = "4"
    & skf18("3","2","4","3","4","6","1") = "5"
    & skf18("3","2","4","3","4","7","1") = "6"
    & skf18("3","2","4","3","4","8","1") = "7"
    & skf18("3","2","4","3","4","9","1") = "8"
    & skf18("3","2","4","3","4","10","1") = "9"
    & skf18("3","2","4","3","5","1","1") = "4"
    & skf18("3","2","4","3","5","2","1") = "4"
    & skf18("3","2","4","3","5","3","1") = "4"
    & skf18("3","2","4","3","5","4","1") = "4"
    & skf18("3","2","4","3","5","5","1") = "4"
    & skf18("3","2","4","3","5","6","1") = "5"
    & skf18("3","2","4","3","5","7","1") = "6"
    & skf18("3","2","4","3","5","8","1") = "7"
    & skf18("3","2","4","3","5","9","1") = "8"
    & skf18("3","2","4","3","5","10","1") = "9"
    & skf18("3","2","4","3","6","1","1") = "5"
    & skf18("3","2","4","3","6","2","1") = "5"
    & skf18("3","2","4","3","6","3","1") = "5"
    & skf18("3","2","4","3","6","4","1") = "5"
    & skf18("3","2","4","3","6","5","1") = "5"
    & skf18("3","2","4","3","6","6","1") = "5"
    & skf18("3","2","4","3","6","7","1") = "6"
    & skf18("3","2","4","3","6","8","1") = "7"
    & skf18("3","2","4","3","6","9","1") = "8"
    & skf18("3","2","4","3","6","10","1") = "9"
    & skf18("3","2","4","3","7","1","1") = "6"
    & skf18("3","2","4","3","7","2","1") = "6"
    & skf18("3","2","4","3","7","3","1") = "6"
    & skf18("3","2","4","3","7","4","1") = "6"
    & skf18("3","2","4","3","7","5","1") = "6"
    & skf18("3","2","4","3","7","6","1") = "6"
    & skf18("3","2","4","3","7","7","1") = "6"
    & skf18("3","2","4","3","7","8","1") = "7"
    & skf18("3","2","4","3","7","9","1") = "8"
    & skf18("3","2","4","3","7","10","1") = "9"
    & skf18("3","2","4","3","8","1","1") = "7"
    & skf18("3","2","4","3","8","2","1") = "7"
    & skf18("3","2","4","3","8","3","1") = "7"
    & skf18("3","2","4","3","8","4","1") = "7"
    & skf18("3","2","4","3","8","5","1") = "7"
    & skf18("3","2","4","3","8","6","1") = "7"
    & skf18("3","2","4","3","8","7","1") = "7"
    & skf18("3","2","4","3","8","8","1") = "7"
    & skf18("3","2","4","3","8","9","1") = "8"
    & skf18("3","2","4","3","8","10","1") = "9"
    & skf18("3","2","4","3","9","1","1") = "8"
    & skf18("3","2","4","3","9","2","1") = "8"
    & skf18("3","2","4","3","9","3","1") = "8"
    & skf18("3","2","4","3","9","4","1") = "8"
    & skf18("3","2","4","3","9","5","1") = "8"
    & skf18("3","2","4","3","9","6","1") = "8"
    & skf18("3","2","4","3","9","7","1") = "8"
    & skf18("3","2","4","3","9","8","1") = "8"
    & skf18("3","2","4","3","9","9","1") = "8"
    & skf18("3","2","4","3","9","10","1") = "9"
    & skf18("3","2","4","3","10","1","1") = "9"
    & skf18("3","2","4","3","10","2","1") = "9"
    & skf18("3","2","4","3","10","3","1") = "9"
    & skf18("3","2","4","3","10","4","1") = "9"
    & skf18("3","2","4","3","10","5","1") = "9"
    & skf18("3","2","4","3","10","6","1") = "9"
    & skf18("3","2","4","3","10","7","1") = "9"
    & skf18("3","2","4","3","10","8","1") = "9"
    & skf18("3","2","4","3","10","9","1") = "9"
    & skf18("3","2","4","3","10","10","1") = "9"
    & skf18("3","2","4","4","1","1","1") = "3"
    & skf18("3","2","4","4","1","2","1") = "3"
    & skf18("3","2","4","4","1","3","1") = "3"
    & skf18("3","2","4","4","1","4","1") = "3"
    & skf18("3","2","4","4","1","5","1") = "4"
    & skf18("3","2","4","4","1","6","1") = "5"
    & skf18("3","2","4","4","1","7","1") = "6"
    & skf18("3","2","4","4","1","8","1") = "7"
    & skf18("3","2","4","4","1","9","1") = "8"
    & skf18("3","2","4","4","1","10","1") = "9"
    & skf18("3","2","4","4","2","1","1") = "3"
    & skf18("3","2","4","4","2","2","1") = "3"
    & skf18("3","2","4","4","2","3","1") = "3"
    & skf18("3","2","4","4","2","4","1") = "3"
    & skf18("3","2","4","4","2","5","1") = "4"
    & skf18("3","2","4","4","2","6","1") = "5"
    & skf18("3","2","4","4","2","7","1") = "6"
    & skf18("3","2","4","4","2","8","1") = "7"
    & skf18("3","2","4","4","2","9","1") = "8"
    & skf18("3","2","4","4","2","10","1") = "9"
    & skf18("3","2","4","4","3","1","1") = "3"
    & skf18("3","2","4","4","3","2","1") = "3"
    & skf18("3","2","4","4","3","3","1") = "3"
    & skf18("3","2","4","4","3","4","1") = "3"
    & skf18("3","2","4","4","3","5","1") = "4"
    & skf18("3","2","4","4","3","6","1") = "5"
    & skf18("3","2","4","4","3","7","1") = "6"
    & skf18("3","2","4","4","3","8","1") = "7"
    & skf18("3","2","4","4","3","9","1") = "8"
    & skf18("3","2","4","4","3","10","1") = "9"
    & skf18("3","2","4","4","4","1","1") = "3"
    & skf18("3","2","4","4","4","2","1") = "3"
    & skf18("3","2","4","4","4","3","1") = "3"
    & skf18("3","2","4","4","4","4","1") = "3"
    & skf18("3","2","4","4","4","5","1") = "4"
    & skf18("3","2","4","4","4","6","1") = "5"
    & skf18("3","2","4","4","4","7","1") = "6"
    & skf18("3","2","4","4","4","8","1") = "7"
    & skf18("3","2","4","4","4","9","1") = "8"
    & skf18("3","2","4","4","4","10","1") = "9"
    & skf18("3","2","4","4","5","1","1") = "4"
    & skf18("3","2","4","4","5","2","1") = "4"
    & skf18("3","2","4","4","5","3","1") = "4"
    & skf18("3","2","4","4","5","4","1") = "4"
    & skf18("3","2","4","4","5","5","1") = "4"
    & skf18("3","2","4","4","5","6","1") = "5"
    & skf18("3","2","4","4","5","7","1") = "6"
    & skf18("3","2","4","4","5","8","1") = "7"
    & skf18("3","2","4","4","5","9","1") = "8"
    & skf18("3","2","4","4","5","10","1") = "9"
    & skf18("3","2","4","4","6","1","1") = "5"
    & skf18("3","2","4","4","6","2","1") = "5"
    & skf18("3","2","4","4","6","3","1") = "5"
    & skf18("3","2","4","4","6","4","1") = "5"
    & skf18("3","2","4","4","6","5","1") = "5"
    & skf18("3","2","4","4","6","6","1") = "5"
    & skf18("3","2","4","4","6","7","1") = "6"
    & skf18("3","2","4","4","6","8","1") = "7"
    & skf18("3","2","4","4","6","9","1") = "8"
    & skf18("3","2","4","4","6","10","1") = "9"
    & skf18("3","2","4","4","7","1","1") = "6"
    & skf18("3","2","4","4","7","2","1") = "6"
    & skf18("3","2","4","4","7","3","1") = "6"
    & skf18("3","2","4","4","7","4","1") = "6"
    & skf18("3","2","4","4","7","5","1") = "6"
    & skf18("3","2","4","4","7","6","1") = "6"
    & skf18("3","2","4","4","7","7","1") = "6"
    & skf18("3","2","4","4","7","8","1") = "7"
    & skf18("3","2","4","4","7","9","1") = "8"
    & skf18("3","2","4","4","7","10","1") = "9"
    & skf18("3","2","4","4","8","1","1") = "7"
    & skf18("3","2","4","4","8","2","1") = "7"
    & skf18("3","2","4","4","8","3","1") = "7"
    & skf18("3","2","4","4","8","4","1") = "7"
    & skf18("3","2","4","4","8","5","1") = "7"
    & skf18("3","2","4","4","8","6","1") = "7"
    & skf18("3","2","4","4","8","7","1") = "7"
    & skf18("3","2","4","4","8","8","1") = "7"
    & skf18("3","2","4","4","8","9","1") = "8"
    & skf18("3","2","4","4","8","10","1") = "9"
    & skf18("3","2","4","4","9","1","1") = "8"
    & skf18("3","2","4","4","9","2","1") = "8"
    & skf18("3","2","4","4","9","3","1") = "8"
    & skf18("3","2","4","4","9","4","1") = "8"
    & skf18("3","2","4","4","9","5","1") = "8"
    & skf18("3","2","4","4","9","6","1") = "8"
    & skf18("3","2","4","4","9","7","1") = "8"
    & skf18("3","2","4","4","9","8","1") = "8"
    & skf18("3","2","4","4","9","9","1") = "8"
    & skf18("3","2","4","4","9","10","1") = "9"
    & skf18("3","2","4","4","10","1","1") = "9"
    & skf18("3","2","4","4","10","2","1") = "9"
    & skf18("3","2","4","4","10","3","1") = "9"
    & skf18("3","2","4","4","10","4","1") = "9"
    & skf18("3","2","4","4","10","5","1") = "9"
    & skf18("3","2","4","4","10","6","1") = "9"
    & skf18("3","2","4","4","10","7","1") = "9"
    & skf18("3","2","4","4","10","8","1") = "9"
    & skf18("3","2","4","4","10","9","1") = "9"
    & skf18("3","2","4","4","10","10","1") = "9"
    & skf18("3","2","4","5","1","1","1") = "4"
    & skf18("3","2","4","5","1","2","1") = "4"
    & skf18("3","2","4","5","1","3","1") = "4"
    & skf18("3","2","4","5","1","4","1") = "4"
    & skf18("3","2","4","5","1","5","1") = "4"
    & skf18("3","2","4","5","1","6","1") = "5"
    & skf18("3","2","4","5","1","7","1") = "6"
    & skf18("3","2","4","5","1","8","1") = "7"
    & skf18("3","2","4","5","1","9","1") = "8"
    & skf18("3","2","4","5","1","10","1") = "9"
    & skf18("3","2","4","5","2","1","1") = "4"
    & skf18("3","2","4","5","2","2","1") = "4"
    & skf18("3","2","4","5","2","3","1") = "4"
    & skf18("3","2","4","5","2","4","1") = "4"
    & skf18("3","2","4","5","2","5","1") = "4"
    & skf18("3","2","4","5","2","6","1") = "5"
    & skf18("3","2","4","5","2","7","1") = "6"
    & skf18("3","2","4","5","2","8","1") = "7"
    & skf18("3","2","4","5","2","9","1") = "8"
    & skf18("3","2","4","5","2","10","1") = "9"
    & skf18("3","2","4","5","3","1","1") = "4"
    & skf18("3","2","4","5","3","2","1") = "4"
    & skf18("3","2","4","5","3","3","1") = "4"
    & skf18("3","2","4","5","3","4","1") = "4"
    & skf18("3","2","4","5","3","5","1") = "4"
    & skf18("3","2","4","5","3","6","1") = "5"
    & skf18("3","2","4","5","3","7","1") = "6"
    & skf18("3","2","4","5","3","8","1") = "7"
    & skf18("3","2","4","5","3","9","1") = "8"
    & skf18("3","2","4","5","3","10","1") = "9"
    & skf18("3","2","4","5","4","1","1") = "4"
    & skf18("3","2","4","5","4","2","1") = "4"
    & skf18("3","2","4","5","4","3","1") = "4"
    & skf18("3","2","4","5","4","4","1") = "4"
    & skf18("3","2","4","5","4","5","1") = "4"
    & skf18("3","2","4","5","4","6","1") = "5"
    & skf18("3","2","4","5","4","7","1") = "6"
    & skf18("3","2","4","5","4","8","1") = "7"
    & skf18("3","2","4","5","4","9","1") = "8"
    & skf18("3","2","4","5","4","10","1") = "9"
    & skf18("3","2","4","5","5","1","1") = "4"
    & skf18("3","2","4","5","5","2","1") = "4"
    & skf18("3","2","4","5","5","3","1") = "4"
    & skf18("3","2","4","5","5","4","1") = "4"
    & skf18("3","2","4","5","5","5","1") = "4"
    & skf18("3","2","4","5","5","6","1") = "5"
    & skf18("3","2","4","5","5","7","1") = "6"
    & skf18("3","2","4","5","5","8","1") = "7"
    & skf18("3","2","4","5","5","9","1") = "8"
    & skf18("3","2","4","5","5","10","1") = "9"
    & skf18("3","2","4","5","6","1","1") = "5"
    & skf18("3","2","4","5","6","2","1") = "5"
    & skf18("3","2","4","5","6","3","1") = "5"
    & skf18("3","2","4","5","6","4","1") = "5"
    & skf18("3","2","4","5","6","5","1") = "5"
    & skf18("3","2","4","5","6","6","1") = "5"
    & skf18("3","2","4","5","6","7","1") = "6"
    & skf18("3","2","4","5","6","8","1") = "7"
    & skf18("3","2","4","5","6","9","1") = "8"
    & skf18("3","2","4","5","6","10","1") = "9"
    & skf18("3","2","4","5","7","1","1") = "6"
    & skf18("3","2","4","5","7","2","1") = "6"
    & skf18("3","2","4","5","7","3","1") = "6"
    & skf18("3","2","4","5","7","4","1") = "6"
    & skf18("3","2","4","5","7","5","1") = "6"
    & skf18("3","2","4","5","7","6","1") = "6"
    & skf18("3","2","4","5","7","7","1") = "6"
    & skf18("3","2","4","5","7","8","1") = "7"
    & skf18("3","2","4","5","7","9","1") = "8"
    & skf18("3","2","4","5","7","10","1") = "9"
    & skf18("3","2","4","5","8","1","1") = "7"
    & skf18("3","2","4","5","8","2","1") = "7"
    & skf18("3","2","4","5","8","3","1") = "7"
    & skf18("3","2","4","5","8","4","1") = "7"
    & skf18("3","2","4","5","8","5","1") = "7"
    & skf18("3","2","4","5","8","6","1") = "7"
    & skf18("3","2","4","5","8","7","1") = "7"
    & skf18("3","2","4","5","8","8","1") = "7"
    & skf18("3","2","4","5","8","9","1") = "8"
    & skf18("3","2","4","5","8","10","1") = "9"
    & skf18("3","2","4","5","9","1","1") = "8"
    & skf18("3","2","4","5","9","2","1") = "8"
    & skf18("3","2","4","5","9","3","1") = "8"
    & skf18("3","2","4","5","9","4","1") = "8"
    & skf18("3","2","4","5","9","5","1") = "8"
    & skf18("3","2","4","5","9","6","1") = "8"
    & skf18("3","2","4","5","9","7","1") = "8"
    & skf18("3","2","4","5","9","8","1") = "8"
    & skf18("3","2","4","5","9","9","1") = "8"
    & skf18("3","2","4","5","9","10","1") = "9"
    & skf18("3","2","4","5","10","1","1") = "9"
    & skf18("3","2","4","5","10","2","1") = "9"
    & skf18("3","2","4","5","10","3","1") = "9"
    & skf18("3","2","4","5","10","4","1") = "9"
    & skf18("3","2","4","5","10","5","1") = "9"
    & skf18("3","2","4","5","10","6","1") = "9"
    & skf18("3","2","4","5","10","7","1") = "9"
    & skf18("3","2","4","5","10","8","1") = "9"
    & skf18("3","2","4","5","10","9","1") = "9"
    & skf18("3","2","4","5","10","10","1") = "9"
    & skf18("3","2","4","6","1","1","1") = "5"
    & skf18("3","2","4","6","1","2","1") = "5"
    & skf18("3","2","4","6","1","3","1") = "5"
    & skf18("3","2","4","6","1","4","1") = "5"
    & skf18("3","2","4","6","1","5","1") = "5"
    & skf18("3","2","4","6","1","6","1") = "5"
    & skf18("3","2","4","6","1","7","1") = "6"
    & skf18("3","2","4","6","1","8","1") = "7"
    & skf18("3","2","4","6","1","9","1") = "8"
    & skf18("3","2","4","6","1","10","1") = "9"
    & skf18("3","2","4","6","2","1","1") = "5"
    & skf18("3","2","4","6","2","2","1") = "5"
    & skf18("3","2","4","6","2","3","1") = "5"
    & skf18("3","2","4","6","2","4","1") = "5"
    & skf18("3","2","4","6","2","5","1") = "5"
    & skf18("3","2","4","6","2","6","1") = "5"
    & skf18("3","2","4","6","2","7","1") = "6"
    & skf18("3","2","4","6","2","8","1") = "7"
    & skf18("3","2","4","6","2","9","1") = "8"
    & skf18("3","2","4","6","2","10","1") = "9"
    & skf18("3","2","4","6","3","1","1") = "5"
    & skf18("3","2","4","6","3","2","1") = "5"
    & skf18("3","2","4","6","3","3","1") = "5"
    & skf18("3","2","4","6","3","4","1") = "5"
    & skf18("3","2","4","6","3","5","1") = "5"
    & skf18("3","2","4","6","3","6","1") = "5"
    & skf18("3","2","4","6","3","7","1") = "6"
    & skf18("3","2","4","6","3","8","1") = "7"
    & skf18("3","2","4","6","3","9","1") = "8"
    & skf18("3","2","4","6","3","10","1") = "9"
    & skf18("3","2","4","6","4","1","1") = "5"
    & skf18("3","2","4","6","4","2","1") = "5"
    & skf18("3","2","4","6","4","3","1") = "5"
    & skf18("3","2","4","6","4","4","1") = "5"
    & skf18("3","2","4","6","4","5","1") = "5"
    & skf18("3","2","4","6","4","6","1") = "5"
    & skf18("3","2","4","6","4","7","1") = "6"
    & skf18("3","2","4","6","4","8","1") = "7"
    & skf18("3","2","4","6","4","9","1") = "8"
    & skf18("3","2","4","6","4","10","1") = "9"
    & skf18("3","2","4","6","5","1","1") = "5"
    & skf18("3","2","4","6","5","2","1") = "5"
    & skf18("3","2","4","6","5","3","1") = "5"
    & skf18("3","2","4","6","5","4","1") = "5"
    & skf18("3","2","4","6","5","5","1") = "5"
    & skf18("3","2","4","6","5","6","1") = "5"
    & skf18("3","2","4","6","5","7","1") = "6"
    & skf18("3","2","4","6","5","8","1") = "7"
    & skf18("3","2","4","6","5","9","1") = "8"
    & skf18("3","2","4","6","5","10","1") = "9"
    & skf18("3","2","4","6","6","1","1") = "5"
    & skf18("3","2","4","6","6","2","1") = "5"
    & skf18("3","2","4","6","6","3","1") = "5"
    & skf18("3","2","4","6","6","4","1") = "5"
    & skf18("3","2","4","6","6","5","1") = "5"
    & skf18("3","2","4","6","6","6","1") = "5"
    & skf18("3","2","4","6","6","7","1") = "6"
    & skf18("3","2","4","6","6","8","1") = "7"
    & skf18("3","2","4","6","6","9","1") = "8"
    & skf18("3","2","4","6","6","10","1") = "9"
    & skf18("3","2","4","6","7","1","1") = "6"
    & skf18("3","2","4","6","7","2","1") = "6"
    & skf18("3","2","4","6","7","3","1") = "6"
    & skf18("3","2","4","6","7","4","1") = "6"
    & skf18("3","2","4","6","7","5","1") = "6"
    & skf18("3","2","4","6","7","6","1") = "6"
    & skf18("3","2","4","6","7","7","1") = "6"
    & skf18("3","2","4","6","7","8","1") = "7"
    & skf18("3","2","4","6","7","9","1") = "8"
    & skf18("3","2","4","6","7","10","1") = "9"
    & skf18("3","2","4","6","8","1","1") = "7"
    & skf18("3","2","4","6","8","2","1") = "7"
    & skf18("3","2","4","6","8","3","1") = "7"
    & skf18("3","2","4","6","8","4","1") = "7"
    & skf18("3","2","4","6","8","5","1") = "7"
    & skf18("3","2","4","6","8","6","1") = "7"
    & skf18("3","2","4","6","8","7","1") = "7"
    & skf18("3","2","4","6","8","8","1") = "7"
    & skf18("3","2","4","6","8","9","1") = "8"
    & skf18("3","2","4","6","8","10","1") = "9"
    & skf18("3","2","4","6","9","1","1") = "8"
    & skf18("3","2","4","6","9","2","1") = "8"
    & skf18("3","2","4","6","9","3","1") = "8"
    & skf18("3","2","4","6","9","4","1") = "8"
    & skf18("3","2","4","6","9","5","1") = "8"
    & skf18("3","2","4","6","9","6","1") = "8"
    & skf18("3","2","4","6","9","7","1") = "8"
    & skf18("3","2","4","6","9","8","1") = "8"
    & skf18("3","2","4","6","9","9","1") = "8"
    & skf18("3","2","4","6","9","10","1") = "9"
    & skf18("3","2","4","6","10","1","1") = "9"
    & skf18("3","2","4","6","10","2","1") = "9"
    & skf18("3","2","4","6","10","3","1") = "9"
    & skf18("3","2","4","6","10","4","1") = "9"
    & skf18("3","2","4","6","10","5","1") = "9"
    & skf18("3","2","4","6","10","6","1") = "9"
    & skf18("3","2","4","6","10","7","1") = "9"
    & skf18("3","2","4","6","10","8","1") = "9"
    & skf18("3","2","4","6","10","9","1") = "9"
    & skf18("3","2","4","6","10","10","1") = "9"
    & skf18("3","2","4","7","1","1","1") = "6"
    & skf18("3","2","4","7","1","2","1") = "6"
    & skf18("3","2","4","7","1","3","1") = "6"
    & skf18("3","2","4","7","1","4","1") = "6"
    & skf18("3","2","4","7","1","5","1") = "6"
    & skf18("3","2","4","7","1","6","1") = "6"
    & skf18("3","2","4","7","1","7","1") = "6"
    & skf18("3","2","4","7","1","8","1") = "7"
    & skf18("3","2","4","7","1","9","1") = "8"
    & skf18("3","2","4","7","1","10","1") = "9"
    & skf18("3","2","4","7","2","1","1") = "6"
    & skf18("3","2","4","7","2","2","1") = "6"
    & skf18("3","2","4","7","2","3","1") = "6"
    & skf18("3","2","4","7","2","4","1") = "6"
    & skf18("3","2","4","7","2","5","1") = "6"
    & skf18("3","2","4","7","2","6","1") = "6"
    & skf18("3","2","4","7","2","7","1") = "6"
    & skf18("3","2","4","7","2","8","1") = "7"
    & skf18("3","2","4","7","2","9","1") = "8"
    & skf18("3","2","4","7","2","10","1") = "9"
    & skf18("3","2","4","7","3","1","1") = "6"
    & skf18("3","2","4","7","3","2","1") = "6"
    & skf18("3","2","4","7","3","3","1") = "6"
    & skf18("3","2","4","7","3","4","1") = "6"
    & skf18("3","2","4","7","3","5","1") = "6"
    & skf18("3","2","4","7","3","6","1") = "6"
    & skf18("3","2","4","7","3","7","1") = "6"
    & skf18("3","2","4","7","3","8","1") = "7"
    & skf18("3","2","4","7","3","9","1") = "8"
    & skf18("3","2","4","7","3","10","1") = "9"
    & skf18("3","2","4","7","4","1","1") = "6"
    & skf18("3","2","4","7","4","2","1") = "6"
    & skf18("3","2","4","7","4","3","1") = "6"
    & skf18("3","2","4","7","4","4","1") = "6"
    & skf18("3","2","4","7","4","5","1") = "6"
    & skf18("3","2","4","7","4","6","1") = "6"
    & skf18("3","2","4","7","4","7","1") = "6"
    & skf18("3","2","4","7","4","8","1") = "7"
    & skf18("3","2","4","7","4","9","1") = "8"
    & skf18("3","2","4","7","4","10","1") = "9"
    & skf18("3","2","4","7","5","1","1") = "6"
    & skf18("3","2","4","7","5","2","1") = "6"
    & skf18("3","2","4","7","5","3","1") = "6"
    & skf18("3","2","4","7","5","4","1") = "6"
    & skf18("3","2","4","7","5","5","1") = "6"
    & skf18("3","2","4","7","5","6","1") = "6"
    & skf18("3","2","4","7","5","7","1") = "6"
    & skf18("3","2","4","7","5","8","1") = "7"
    & skf18("3","2","4","7","5","9","1") = "8"
    & skf18("3","2","4","7","5","10","1") = "9"
    & skf18("3","2","4","7","6","1","1") = "6"
    & skf18("3","2","4","7","6","2","1") = "6"
    & skf18("3","2","4","7","6","3","1") = "6"
    & skf18("3","2","4","7","6","4","1") = "6"
    & skf18("3","2","4","7","6","5","1") = "6"
    & skf18("3","2","4","7","6","6","1") = "6"
    & skf18("3","2","4","7","6","7","1") = "6"
    & skf18("3","2","4","7","6","8","1") = "7"
    & skf18("3","2","4","7","6","9","1") = "8"
    & skf18("3","2","4","7","6","10","1") = "9"
    & skf18("3","2","4","7","7","1","1") = "6"
    & skf18("3","2","4","7","7","2","1") = "6"
    & skf18("3","2","4","7","7","3","1") = "6"
    & skf18("3","2","4","7","7","4","1") = "6"
    & skf18("3","2","4","7","7","5","1") = "6"
    & skf18("3","2","4","7","7","6","1") = "6"
    & skf18("3","2","4","7","7","7","1") = "6"
    & skf18("3","2","4","7","7","8","1") = "7"
    & skf18("3","2","4","7","7","9","1") = "8"
    & skf18("3","2","4","7","7","10","1") = "9"
    & skf18("3","2","4","7","8","1","1") = "7"
    & skf18("3","2","4","7","8","2","1") = "7"
    & skf18("3","2","4","7","8","3","1") = "7"
    & skf18("3","2","4","7","8","4","1") = "7"
    & skf18("3","2","4","7","8","5","1") = "7"
    & skf18("3","2","4","7","8","6","1") = "7"
    & skf18("3","2","4","7","8","7","1") = "7"
    & skf18("3","2","4","7","8","8","1") = "7"
    & skf18("3","2","4","7","8","9","1") = "8"
    & skf18("3","2","4","7","8","10","1") = "9"
    & skf18("3","2","4","7","9","1","1") = "8"
    & skf18("3","2","4","7","9","2","1") = "8"
    & skf18("3","2","4","7","9","3","1") = "8"
    & skf18("3","2","4","7","9","4","1") = "8"
    & skf18("3","2","4","7","9","5","1") = "8"
    & skf18("3","2","4","7","9","6","1") = "8"
    & skf18("3","2","4","7","9","7","1") = "8"
    & skf18("3","2","4","7","9","8","1") = "8"
    & skf18("3","2","4","7","9","9","1") = "8"
    & skf18("3","2","4","7","9","10","1") = "9"
    & skf18("3","2","4","7","10","1","1") = "9"
    & skf18("3","2","4","7","10","2","1") = "9"
    & skf18("3","2","4","7","10","3","1") = "9"
    & skf18("3","2","4","7","10","4","1") = "9"
    & skf18("3","2","4","7","10","5","1") = "9"
    & skf18("3","2","4","7","10","6","1") = "9"
    & skf18("3","2","4","7","10","7","1") = "9"
    & skf18("3","2","4","7","10","8","1") = "9"
    & skf18("3","2","4","7","10","9","1") = "9"
    & skf18("3","2","4","7","10","10","1") = "9"
    & skf18("3","2","4","8","1","1","1") = "7"
    & skf18("3","2","4","8","1","2","1") = "7"
    & skf18("3","2","4","8","1","3","1") = "7"
    & skf18("3","2","4","8","1","4","1") = "7"
    & skf18("3","2","4","8","1","5","1") = "7"
    & skf18("3","2","4","8","1","6","1") = "7"
    & skf18("3","2","4","8","1","7","1") = "7"
    & skf18("3","2","4","8","1","8","1") = "7"
    & skf18("3","2","4","8","1","9","1") = "8"
    & skf18("3","2","4","8","1","10","1") = "9"
    & skf18("3","2","4","8","2","1","1") = "7"
    & skf18("3","2","4","8","2","2","1") = "7"
    & skf18("3","2","4","8","2","3","1") = "7"
    & skf18("3","2","4","8","2","4","1") = "7"
    & skf18("3","2","4","8","2","5","1") = "7"
    & skf18("3","2","4","8","2","6","1") = "7"
    & skf18("3","2","4","8","2","7","1") = "7"
    & skf18("3","2","4","8","2","8","1") = "7"
    & skf18("3","2","4","8","2","9","1") = "8"
    & skf18("3","2","4","8","2","10","1") = "9"
    & skf18("3","2","4","8","3","1","1") = "7"
    & skf18("3","2","4","8","3","2","1") = "7"
    & skf18("3","2","4","8","3","3","1") = "7"
    & skf18("3","2","4","8","3","4","1") = "7"
    & skf18("3","2","4","8","3","5","1") = "7"
    & skf18("3","2","4","8","3","6","1") = "7"
    & skf18("3","2","4","8","3","7","1") = "7"
    & skf18("3","2","4","8","3","8","1") = "7"
    & skf18("3","2","4","8","3","9","1") = "8"
    & skf18("3","2","4","8","3","10","1") = "9"
    & skf18("3","2","4","8","4","1","1") = "7"
    & skf18("3","2","4","8","4","2","1") = "7"
    & skf18("3","2","4","8","4","3","1") = "7"
    & skf18("3","2","4","8","4","4","1") = "7"
    & skf18("3","2","4","8","4","5","1") = "7"
    & skf18("3","2","4","8","4","6","1") = "7"
    & skf18("3","2","4","8","4","7","1") = "7"
    & skf18("3","2","4","8","4","8","1") = "7"
    & skf18("3","2","4","8","4","9","1") = "8"
    & skf18("3","2","4","8","4","10","1") = "9"
    & skf18("3","2","4","8","5","1","1") = "7"
    & skf18("3","2","4","8","5","2","1") = "7"
    & skf18("3","2","4","8","5","3","1") = "7"
    & skf18("3","2","4","8","5","4","1") = "7"
    & skf18("3","2","4","8","5","5","1") = "7"
    & skf18("3","2","4","8","5","6","1") = "7"
    & skf18("3","2","4","8","5","7","1") = "7"
    & skf18("3","2","4","8","5","8","1") = "7"
    & skf18("3","2","4","8","5","9","1") = "8"
    & skf18("3","2","4","8","5","10","1") = "9"
    & skf18("3","2","4","8","6","1","1") = "7"
    & skf18("3","2","4","8","6","2","1") = "7"
    & skf18("3","2","4","8","6","3","1") = "7"
    & skf18("3","2","4","8","6","4","1") = "7"
    & skf18("3","2","4","8","6","5","1") = "7"
    & skf18("3","2","4","8","6","6","1") = "7"
    & skf18("3","2","4","8","6","7","1") = "7"
    & skf18("3","2","4","8","6","8","1") = "7"
    & skf18("3","2","4","8","6","9","1") = "8"
    & skf18("3","2","4","8","6","10","1") = "9"
    & skf18("3","2","4","8","7","1","1") = "7"
    & skf18("3","2","4","8","7","2","1") = "7"
    & skf18("3","2","4","8","7","3","1") = "7"
    & skf18("3","2","4","8","7","4","1") = "7"
    & skf18("3","2","4","8","7","5","1") = "7"
    & skf18("3","2","4","8","7","6","1") = "7"
    & skf18("3","2","4","8","7","7","1") = "7"
    & skf18("3","2","4","8","7","8","1") = "7"
    & skf18("3","2","4","8","7","9","1") = "8"
    & skf18("3","2","4","8","7","10","1") = "9"
    & skf18("3","2","4","8","8","1","1") = "7"
    & skf18("3","2","4","8","8","2","1") = "7"
    & skf18("3","2","4","8","8","3","1") = "7"
    & skf18("3","2","4","8","8","4","1") = "7"
    & skf18("3","2","4","8","8","5","1") = "7"
    & skf18("3","2","4","8","8","6","1") = "7"
    & skf18("3","2","4","8","8","7","1") = "7"
    & skf18("3","2","4","8","8","8","1") = "7"
    & skf18("3","2","4","8","8","9","1") = "8"
    & skf18("3","2","4","8","8","10","1") = "9"
    & skf18("3","2","4","8","9","1","1") = "8"
    & skf18("3","2","4","8","9","2","1") = "8"
    & skf18("3","2","4","8","9","3","1") = "8"
    & skf18("3","2","4","8","9","4","1") = "8"
    & skf18("3","2","4","8","9","5","1") = "8"
    & skf18("3","2","4","8","9","6","1") = "8"
    & skf18("3","2","4","8","9","7","1") = "8"
    & skf18("3","2","4","8","9","8","1") = "8"
    & skf18("3","2","4","8","9","9","1") = "8"
    & skf18("3","2","4","8","9","10","1") = "9"
    & skf18("3","2","4","8","10","1","1") = "9"
    & skf18("3","2","4","8","10","2","1") = "9"
    & skf18("3","2","4","8","10","3","1") = "9"
    & skf18("3","2","4","8","10","4","1") = "9"
    & skf18("3","2","4","8","10","5","1") = "9"
    & skf18("3","2","4","8","10","6","1") = "9"
    & skf18("3","2","4","8","10","7","1") = "9"
    & skf18("3","2","4","8","10","8","1") = "9"
    & skf18("3","2","4","8","10","9","1") = "9"
    & skf18("3","2","4","8","10","10","1") = "9"
    & skf18("3","2","4","9","1","1","1") = "8"
    & skf18("3","2","4","9","1","2","1") = "8"
    & skf18("3","2","4","9","1","3","1") = "8"
    & skf18("3","2","4","9","1","4","1") = "8"
    & skf18("3","2","4","9","1","5","1") = "8"
    & skf18("3","2","4","9","1","6","1") = "8"
    & skf18("3","2","4","9","1","7","1") = "8"
    & skf18("3","2","4","9","1","8","1") = "8"
    & skf18("3","2","4","9","1","9","1") = "8"
    & skf18("3","2","4","9","1","10","1") = "9"
    & skf18("3","2","4","9","2","1","1") = "8"
    & skf18("3","2","4","9","2","2","1") = "8"
    & skf18("3","2","4","9","2","3","1") = "8"
    & skf18("3","2","4","9","2","4","1") = "8"
    & skf18("3","2","4","9","2","5","1") = "8"
    & skf18("3","2","4","9","2","6","1") = "8"
    & skf18("3","2","4","9","2","7","1") = "8"
    & skf18("3","2","4","9","2","8","1") = "8"
    & skf18("3","2","4","9","2","9","1") = "8"
    & skf18("3","2","4","9","2","10","1") = "9"
    & skf18("3","2","4","9","3","1","1") = "8"
    & skf18("3","2","4","9","3","2","1") = "8"
    & skf18("3","2","4","9","3","3","1") = "8"
    & skf18("3","2","4","9","3","4","1") = "8"
    & skf18("3","2","4","9","3","5","1") = "8"
    & skf18("3","2","4","9","3","6","1") = "8"
    & skf18("3","2","4","9","3","7","1") = "8"
    & skf18("3","2","4","9","3","8","1") = "8"
    & skf18("3","2","4","9","3","9","1") = "8"
    & skf18("3","2","4","9","3","10","1") = "9"
    & skf18("3","2","4","9","4","1","1") = "8"
    & skf18("3","2","4","9","4","2","1") = "8"
    & skf18("3","2","4","9","4","3","1") = "8"
    & skf18("3","2","4","9","4","4","1") = "8"
    & skf18("3","2","4","9","4","5","1") = "8"
    & skf18("3","2","4","9","4","6","1") = "8"
    & skf18("3","2","4","9","4","7","1") = "8"
    & skf18("3","2","4","9","4","8","1") = "8"
    & skf18("3","2","4","9","4","9","1") = "8"
    & skf18("3","2","4","9","4","10","1") = "9"
    & skf18("3","2","4","9","5","1","1") = "8"
    & skf18("3","2","4","9","5","2","1") = "8"
    & skf18("3","2","4","9","5","3","1") = "8"
    & skf18("3","2","4","9","5","4","1") = "8"
    & skf18("3","2","4","9","5","5","1") = "8"
    & skf18("3","2","4","9","5","6","1") = "8"
    & skf18("3","2","4","9","5","7","1") = "8"
    & skf18("3","2","4","9","5","8","1") = "8"
    & skf18("3","2","4","9","5","9","1") = "8"
    & skf18("3","2","4","9","5","10","1") = "9"
    & skf18("3","2","4","9","6","1","1") = "8"
    & skf18("3","2","4","9","6","2","1") = "8"
    & skf18("3","2","4","9","6","3","1") = "8"
    & skf18("3","2","4","9","6","4","1") = "8"
    & skf18("3","2","4","9","6","5","1") = "8"
    & skf18("3","2","4","9","6","6","1") = "8"
    & skf18("3","2","4","9","6","7","1") = "8"
    & skf18("3","2","4","9","6","8","1") = "8"
    & skf18("3","2","4","9","6","9","1") = "8"
    & skf18("3","2","4","9","6","10","1") = "9"
    & skf18("3","2","4","9","7","1","1") = "8"
    & skf18("3","2","4","9","7","2","1") = "8"
    & skf18("3","2","4","9","7","3","1") = "8"
    & skf18("3","2","4","9","7","4","1") = "8"
    & skf18("3","2","4","9","7","5","1") = "8"
    & skf18("3","2","4","9","7","6","1") = "8"
    & skf18("3","2","4","9","7","7","1") = "8"
    & skf18("3","2","4","9","7","8","1") = "8"
    & skf18("3","2","4","9","7","9","1") = "8"
    & skf18("3","2","4","9","7","10","1") = "9"
    & skf18("3","2","4","9","8","1","1") = "8"
    & skf18("3","2","4","9","8","2","1") = "8"
    & skf18("3","2","4","9","8","3","1") = "8"
    & skf18("3","2","4","9","8","4","1") = "8"
    & skf18("3","2","4","9","8","5","1") = "8"
    & skf18("3","2","4","9","8","6","1") = "8"
    & skf18("3","2","4","9","8","7","1") = "8"
    & skf18("3","2","4","9","8","8","1") = "8"
    & skf18("3","2","4","9","8","9","1") = "8"
    & skf18("3","2","4","9","8","10","1") = "9"
    & skf18("3","2","4","9","9","1","1") = "8"
    & skf18("3","2","4","9","9","2","1") = "8"
    & skf18("3","2","4","9","9","3","1") = "8"
    & skf18("3","2","4","9","9","4","1") = "8"
    & skf18("3","2","4","9","9","5","1") = "8"
    & skf18("3","2","4","9","9","6","1") = "8"
    & skf18("3","2","4","9","9","7","1") = "8"
    & skf18("3","2","4","9","9","8","1") = "8"
    & skf18("3","2","4","9","9","9","1") = "8"
    & skf18("3","2","4","9","9","10","1") = "9"
    & skf18("3","2","4","9","10","1","1") = "9"
    & skf18("3","2","4","9","10","2","1") = "9"
    & skf18("3","2","4","9","10","3","1") = "9"
    & skf18("3","2","4","9","10","4","1") = "9"
    & skf18("3","2","4","9","10","5","1") = "9"
    & skf18("3","2","4","9","10","6","1") = "9"
    & skf18("3","2","4","9","10","7","1") = "9"
    & skf18("3","2","4","9","10","8","1") = "9"
    & skf18("3","2","4","9","10","9","1") = "9"
    & skf18("3","2","4","9","10","10","1") = "9"
    & skf18("3","2","4","10","1","1","1") = "9"
    & skf18("3","2","4","10","1","2","1") = "9"
    & skf18("3","2","4","10","1","3","1") = "9"
    & skf18("3","2","4","10","1","4","1") = "9"
    & skf18("3","2","4","10","1","5","1") = "9"
    & skf18("3","2","4","10","1","6","1") = "9"
    & skf18("3","2","4","10","1","7","1") = "9"
    & skf18("3","2","4","10","1","8","1") = "9"
    & skf18("3","2","4","10","1","9","1") = "9"
    & skf18("3","2","4","10","1","10","1") = "9"
    & skf18("3","2","4","10","2","1","1") = "9"
    & skf18("3","2","4","10","2","2","1") = "9"
    & skf18("3","2","4","10","2","3","1") = "9"
    & skf18("3","2","4","10","2","4","1") = "9"
    & skf18("3","2","4","10","2","5","1") = "9"
    & skf18("3","2","4","10","2","6","1") = "9"
    & skf18("3","2","4","10","2","7","1") = "9"
    & skf18("3","2","4","10","2","8","1") = "9"
    & skf18("3","2","4","10","2","9","1") = "9"
    & skf18("3","2","4","10","2","10","1") = "9"
    & skf18("3","2","4","10","3","1","1") = "9"
    & skf18("3","2","4","10","3","2","1") = "9"
    & skf18("3","2","4","10","3","3","1") = "9"
    & skf18("3","2","4","10","3","4","1") = "9"
    & skf18("3","2","4","10","3","5","1") = "9"
    & skf18("3","2","4","10","3","6","1") = "9"
    & skf18("3","2","4","10","3","7","1") = "9"
    & skf18("3","2","4","10","3","8","1") = "9"
    & skf18("3","2","4","10","3","9","1") = "9"
    & skf18("3","2","4","10","3","10","1") = "9"
    & skf18("3","2","4","10","4","1","1") = "9"
    & skf18("3","2","4","10","4","2","1") = "9"
    & skf18("3","2","4","10","4","3","1") = "9"
    & skf18("3","2","4","10","4","4","1") = "9"
    & skf18("3","2","4","10","4","5","1") = "9"
    & skf18("3","2","4","10","4","6","1") = "9"
    & skf18("3","2","4","10","4","7","1") = "9"
    & skf18("3","2","4","10","4","8","1") = "9"
    & skf18("3","2","4","10","4","9","1") = "9"
    & skf18("3","2","4","10","4","10","1") = "9"
    & skf18("3","2","4","10","5","1","1") = "9"
    & skf18("3","2","4","10","5","2","1") = "9"
    & skf18("3","2","4","10","5","3","1") = "9"
    & skf18("3","2","4","10","5","4","1") = "9"
    & skf18("3","2","4","10","5","5","1") = "9"
    & skf18("3","2","4","10","5","6","1") = "9"
    & skf18("3","2","4","10","5","7","1") = "9"
    & skf18("3","2","4","10","5","8","1") = "9"
    & skf18("3","2","4","10","5","9","1") = "9"
    & skf18("3","2","4","10","5","10","1") = "9"
    & skf18("3","2","4","10","6","1","1") = "9"
    & skf18("3","2","4","10","6","2","1") = "9"
    & skf18("3","2","4","10","6","3","1") = "9"
    & skf18("3","2","4","10","6","4","1") = "9"
    & skf18("3","2","4","10","6","5","1") = "9"
    & skf18("3","2","4","10","6","6","1") = "9"
    & skf18("3","2","4","10","6","7","1") = "9"
    & skf18("3","2","4","10","6","8","1") = "9"
    & skf18("3","2","4","10","6","9","1") = "9"
    & skf18("3","2","4","10","6","10","1") = "9"
    & skf18("3","2","4","10","7","1","1") = "9"
    & skf18("3","2","4","10","7","2","1") = "9"
    & skf18("3","2","4","10","7","3","1") = "9"
    & skf18("3","2","4","10","7","4","1") = "9"
    & skf18("3","2","4","10","7","5","1") = "9"
    & skf18("3","2","4","10","7","6","1") = "9"
    & skf18("3","2","4","10","7","7","1") = "9"
    & skf18("3","2","4","10","7","8","1") = "9"
    & skf18("3","2","4","10","7","9","1") = "9"
    & skf18("3","2","4","10","7","10","1") = "9"
    & skf18("3","2","4","10","8","1","1") = "9"
    & skf18("3","2","4","10","8","2","1") = "9"
    & skf18("3","2","4","10","8","3","1") = "9"
    & skf18("3","2","4","10","8","4","1") = "9"
    & skf18("3","2","4","10","8","5","1") = "9"
    & skf18("3","2","4","10","8","6","1") = "9"
    & skf18("3","2","4","10","8","7","1") = "9"
    & skf18("3","2","4","10","8","8","1") = "9"
    & skf18("3","2","4","10","8","9","1") = "9"
    & skf18("3","2","4","10","8","10","1") = "9"
    & skf18("3","2","4","10","9","1","1") = "9"
    & skf18("3","2","4","10","9","2","1") = "9"
    & skf18("3","2","4","10","9","3","1") = "9"
    & skf18("3","2","4","10","9","4","1") = "9"
    & skf18("3","2","4","10","9","5","1") = "9"
    & skf18("3","2","4","10","9","6","1") = "9"
    & skf18("3","2","4","10","9","7","1") = "9"
    & skf18("3","2","4","10","9","8","1") = "9"
    & skf18("3","2","4","10","9","9","1") = "9"
    & skf18("3","2","4","10","9","10","1") = "9"
    & skf18("3","2","4","10","10","1","1") = "9"
    & skf18("3","2","4","10","10","2","1") = "9"
    & skf18("3","2","4","10","10","3","1") = "9"
    & skf18("3","2","4","10","10","4","1") = "9"
    & skf18("3","2","4","10","10","5","1") = "9"
    & skf18("3","2","4","10","10","6","1") = "9"
    & skf18("3","2","4","10","10","7","1") = "9"
    & skf18("3","2","4","10","10","8","1") = "9"
    & skf18("3","2","4","10","10","9","1") = "9"
    & skf18("3","2","4","10","10","10","1") = "9"
    & skf18("3","2","5","1","1","1","1") = "4"
    & skf18("3","2","5","1","1","2","1") = "4"
    & skf18("3","2","5","1","1","3","1") = "4"
    & skf18("3","2","5","1","1","4","1") = "4"
    & skf18("3","2","5","1","1","5","1") = "4"
    & skf18("3","2","5","1","1","6","1") = "5"
    & skf18("3","2","5","1","1","7","1") = "6"
    & skf18("3","2","5","1","1","8","1") = "7"
    & skf18("3","2","5","1","1","9","1") = "8"
    & skf18("3","2","5","1","1","10","1") = "9"
    & skf18("3","2","5","1","2","1","1") = "4"
    & skf18("3","2","5","1","2","2","1") = "4"
    & skf18("3","2","5","1","2","3","1") = "4"
    & skf18("3","2","5","1","2","4","1") = "4"
    & skf18("3","2","5","1","2","5","1") = "4"
    & skf18("3","2","5","1","2","6","1") = "5"
    & skf18("3","2","5","1","2","7","1") = "6"
    & skf18("3","2","5","1","2","8","1") = "7"
    & skf18("3","2","5","1","2","9","1") = "8"
    & skf18("3","2","5","1","2","10","1") = "9"
    & skf18("3","2","5","1","3","1","1") = "4"
    & skf18("3","2","5","1","3","2","1") = "4"
    & skf18("3","2","5","1","3","3","1") = "4"
    & skf18("3","2","5","1","3","4","1") = "4"
    & skf18("3","2","5","1","3","5","1") = "4"
    & skf18("3","2","5","1","3","6","1") = "5"
    & skf18("3","2","5","1","3","7","1") = "6"
    & skf18("3","2","5","1","3","8","1") = "7"
    & skf18("3","2","5","1","3","9","1") = "8"
    & skf18("3","2","5","1","3","10","1") = "9"
    & skf18("3","2","5","1","4","1","1") = "4"
    & skf18("3","2","5","1","4","2","1") = "4"
    & skf18("3","2","5","1","4","3","1") = "4"
    & skf18("3","2","5","1","4","4","1") = "4"
    & skf18("3","2","5","1","4","5","1") = "4"
    & skf18("3","2","5","1","4","6","1") = "5"
    & skf18("3","2","5","1","4","7","1") = "6"
    & skf18("3","2","5","1","4","8","1") = "7"
    & skf18("3","2","5","1","4","9","1") = "8"
    & skf18("3","2","5","1","4","10","1") = "9"
    & skf18("3","2","5","1","5","1","1") = "4"
    & skf18("3","2","5","1","5","2","1") = "4"
    & skf18("3","2","5","1","5","3","1") = "4"
    & skf18("3","2","5","1","5","4","1") = "4"
    & skf18("3","2","5","1","5","5","1") = "4"
    & skf18("3","2","5","1","5","6","1") = "5"
    & skf18("3","2","5","1","5","7","1") = "6"
    & skf18("3","2","5","1","5","8","1") = "7"
    & skf18("3","2","5","1","5","9","1") = "8"
    & skf18("3","2","5","1","5","10","1") = "9"
    & skf18("3","2","5","1","6","1","1") = "5"
    & skf18("3","2","5","1","6","2","1") = "5"
    & skf18("3","2","5","1","6","3","1") = "5"
    & skf18("3","2","5","1","6","4","1") = "5"
    & skf18("3","2","5","1","6","5","1") = "5"
    & skf18("3","2","5","1","6","6","1") = "5"
    & skf18("3","2","5","1","6","7","1") = "6"
    & skf18("3","2","5","1","6","8","1") = "7"
    & skf18("3","2","5","1","6","9","1") = "8"
    & skf18("3","2","5","1","6","10","1") = "9"
    & skf18("3","2","5","1","7","1","1") = "6"
    & skf18("3","2","5","1","7","2","1") = "6"
    & skf18("3","2","5","1","7","3","1") = "6"
    & skf18("3","2","5","1","7","4","1") = "6"
    & skf18("3","2","5","1","7","5","1") = "6"
    & skf18("3","2","5","1","7","6","1") = "6"
    & skf18("3","2","5","1","7","7","1") = "6"
    & skf18("3","2","5","1","7","8","1") = "7"
    & skf18("3","2","5","1","7","9","1") = "8"
    & skf18("3","2","5","1","7","10","1") = "9"
    & skf18("3","2","5","1","8","1","1") = "7"
    & skf18("3","2","5","1","8","2","1") = "7"
    & skf18("3","2","5","1","8","3","1") = "7"
    & skf18("3","2","5","1","8","4","1") = "7"
    & skf18("3","2","5","1","8","5","1") = "7"
    & skf18("3","2","5","1","8","6","1") = "7"
    & skf18("3","2","5","1","8","7","1") = "7"
    & skf18("3","2","5","1","8","8","1") = "7"
    & skf18("3","2","5","1","8","9","1") = "8"
    & skf18("3","2","5","1","8","10","1") = "9"
    & skf18("3","2","5","1","9","1","1") = "8"
    & skf18("3","2","5","1","9","2","1") = "8"
    & skf18("3","2","5","1","9","3","1") = "8"
    & skf18("3","2","5","1","9","4","1") = "8"
    & skf18("3","2","5","1","9","5","1") = "8"
    & skf18("3","2","5","1","9","6","1") = "8"
    & skf18("3","2","5","1","9","7","1") = "8"
    & skf18("3","2","5","1","9","8","1") = "8"
    & skf18("3","2","5","1","9","9","1") = "8"
    & skf18("3","2","5","1","9","10","1") = "9"
    & skf18("3","2","5","1","10","1","1") = "9"
    & skf18("3","2","5","1","10","2","1") = "9"
    & skf18("3","2","5","1","10","3","1") = "9"
    & skf18("3","2","5","1","10","4","1") = "9"
    & skf18("3","2","5","1","10","5","1") = "9"
    & skf18("3","2","5","1","10","6","1") = "9"
    & skf18("3","2","5","1","10","7","1") = "9"
    & skf18("3","2","5","1","10","8","1") = "9"
    & skf18("3","2","5","1","10","9","1") = "9"
    & skf18("3","2","5","1","10","10","1") = "9"
    & skf18("3","2","5","2","1","1","1") = "4"
    & skf18("3","2","5","2","1","2","1") = "4"
    & skf18("3","2","5","2","1","3","1") = "4"
    & skf18("3","2","5","2","1","4","1") = "4"
    & skf18("3","2","5","2","1","5","1") = "4"
    & skf18("3","2","5","2","1","6","1") = "5"
    & skf18("3","2","5","2","1","7","1") = "6"
    & skf18("3","2","5","2","1","8","1") = "7"
    & skf18("3","2","5","2","1","9","1") = "8"
    & skf18("3","2","5","2","1","10","1") = "9"
    & skf18("3","2","5","2","2","1","1") = "4"
    & skf18("3","2","5","2","2","2","1") = "4"
    & skf18("3","2","5","2","2","3","1") = "4"
    & skf18("3","2","5","2","2","4","1") = "4"
    & skf18("3","2","5","2","2","5","1") = "4"
    & skf18("3","2","5","2","2","6","1") = "5"
    & skf18("3","2","5","2","2","7","1") = "6"
    & skf18("3","2","5","2","2","8","1") = "7"
    & skf18("3","2","5","2","2","9","1") = "8"
    & skf18("3","2","5","2","2","10","1") = "9"
    & skf18("3","2","5","2","3","1","1") = "4"
    & skf18("3","2","5","2","3","2","1") = "4"
    & skf18("3","2","5","2","3","3","1") = "4"
    & skf18("3","2","5","2","3","4","1") = "4"
    & skf18("3","2","5","2","3","5","1") = "4"
    & skf18("3","2","5","2","3","6","1") = "5"
    & skf18("3","2","5","2","3","7","1") = "6"
    & skf18("3","2","5","2","3","8","1") = "7"
    & skf18("3","2","5","2","3","9","1") = "8"
    & skf18("3","2","5","2","3","10","1") = "9"
    & skf18("3","2","5","2","4","1","1") = "4"
    & skf18("3","2","5","2","4","2","1") = "4"
    & skf18("3","2","5","2","4","3","1") = "4"
    & skf18("3","2","5","2","4","4","1") = "4"
    & skf18("3","2","5","2","4","5","1") = "4"
    & skf18("3","2","5","2","4","6","1") = "5"
    & skf18("3","2","5","2","4","7","1") = "6"
    & skf18("3","2","5","2","4","8","1") = "7"
    & skf18("3","2","5","2","4","9","1") = "8"
    & skf18("3","2","5","2","4","10","1") = "9"
    & skf18("3","2","5","2","5","1","1") = "4"
    & skf18("3","2","5","2","5","2","1") = "4"
    & skf18("3","2","5","2","5","3","1") = "4"
    & skf18("3","2","5","2","5","4","1") = "4"
    & skf18("3","2","5","2","5","5","1") = "4"
    & skf18("3","2","5","2","5","6","1") = "5"
    & skf18("3","2","5","2","5","7","1") = "6"
    & skf18("3","2","5","2","5","8","1") = "7"
    & skf18("3","2","5","2","5","9","1") = "8"
    & skf18("3","2","5","2","5","10","1") = "9"
    & skf18("3","2","5","2","6","1","1") = "5"
    & skf18("3","2","5","2","6","2","1") = "5"
    & skf18("3","2","5","2","6","3","1") = "5"
    & skf18("3","2","5","2","6","4","1") = "5"
    & skf18("3","2","5","2","6","5","1") = "5"
    & skf18("3","2","5","2","6","6","1") = "5"
    & skf18("3","2","5","2","6","7","1") = "6"
    & skf18("3","2","5","2","6","8","1") = "7"
    & skf18("3","2","5","2","6","9","1") = "8"
    & skf18("3","2","5","2","6","10","1") = "9"
    & skf18("3","2","5","2","7","1","1") = "6"
    & skf18("3","2","5","2","7","2","1") = "6"
    & skf18("3","2","5","2","7","3","1") = "6"
    & skf18("3","2","5","2","7","4","1") = "6"
    & skf18("3","2","5","2","7","5","1") = "6"
    & skf18("3","2","5","2","7","6","1") = "6"
    & skf18("3","2","5","2","7","7","1") = "6"
    & skf18("3","2","5","2","7","8","1") = "7"
    & skf18("3","2","5","2","7","9","1") = "8"
    & skf18("3","2","5","2","7","10","1") = "9"
    & skf18("3","2","5","2","8","1","1") = "7"
    & skf18("3","2","5","2","8","2","1") = "7"
    & skf18("3","2","5","2","8","3","1") = "7"
    & skf18("3","2","5","2","8","4","1") = "7"
    & skf18("3","2","5","2","8","5","1") = "7"
    & skf18("3","2","5","2","8","6","1") = "7"
    & skf18("3","2","5","2","8","7","1") = "7"
    & skf18("3","2","5","2","8","8","1") = "7"
    & skf18("3","2","5","2","8","9","1") = "8"
    & skf18("3","2","5","2","8","10","1") = "9"
    & skf18("3","2","5","2","9","1","1") = "8"
    & skf18("3","2","5","2","9","2","1") = "8"
    & skf18("3","2","5","2","9","3","1") = "8"
    & skf18("3","2","5","2","9","4","1") = "8"
    & skf18("3","2","5","2","9","5","1") = "8"
    & skf18("3","2","5","2","9","6","1") = "8"
    & skf18("3","2","5","2","9","7","1") = "8"
    & skf18("3","2","5","2","9","8","1") = "8"
    & skf18("3","2","5","2","9","9","1") = "8"
    & skf18("3","2","5","2","9","10","1") = "9"
    & skf18("3","2","5","2","10","1","1") = "9"
    & skf18("3","2","5","2","10","2","1") = "9"
    & skf18("3","2","5","2","10","3","1") = "9"
    & skf18("3","2","5","2","10","4","1") = "9"
    & skf18("3","2","5","2","10","5","1") = "9"
    & skf18("3","2","5","2","10","6","1") = "9"
    & skf18("3","2","5","2","10","7","1") = "9"
    & skf18("3","2","5","2","10","8","1") = "9"
    & skf18("3","2","5","2","10","9","1") = "9"
    & skf18("3","2","5","2","10","10","1") = "9"
    & skf18("3","2","5","3","1","1","1") = "4"
    & skf18("3","2","5","3","1","2","1") = "4"
    & skf18("3","2","5","3","1","3","1") = "4"
    & skf18("3","2","5","3","1","4","1") = "4"
    & skf18("3","2","5","3","1","5","1") = "4"
    & skf18("3","2","5","3","1","6","1") = "5"
    & skf18("3","2","5","3","1","7","1") = "6"
    & skf18("3","2","5","3","1","8","1") = "7"
    & skf18("3","2","5","3","1","9","1") = "8"
    & skf18("3","2","5","3","1","10","1") = "9"
    & skf18("3","2","5","3","2","1","1") = "4"
    & skf18("3","2","5","3","2","2","1") = "4"
    & skf18("3","2","5","3","2","3","1") = "4"
    & skf18("3","2","5","3","2","4","1") = "4"
    & skf18("3","2","5","3","2","5","1") = "4"
    & skf18("3","2","5","3","2","6","1") = "5"
    & skf18("3","2","5","3","2","7","1") = "6"
    & skf18("3","2","5","3","2","8","1") = "7"
    & skf18("3","2","5","3","2","9","1") = "8"
    & skf18("3","2","5","3","2","10","1") = "9"
    & skf18("3","2","5","3","3","1","1") = "4"
    & skf18("3","2","5","3","3","2","1") = "4"
    & skf18("3","2","5","3","3","3","1") = "4"
    & skf18("3","2","5","3","3","4","1") = "4"
    & skf18("3","2","5","3","3","5","1") = "4"
    & skf18("3","2","5","3","3","6","1") = "5"
    & skf18("3","2","5","3","3","7","1") = "6"
    & skf18("3","2","5","3","3","8","1") = "7"
    & skf18("3","2","5","3","3","9","1") = "8"
    & skf18("3","2","5","3","3","10","1") = "9"
    & skf18("3","2","5","3","4","1","1") = "4"
    & skf18("3","2","5","3","4","2","1") = "4"
    & skf18("3","2","5","3","4","3","1") = "4"
    & skf18("3","2","5","3","4","4","1") = "4"
    & skf18("3","2","5","3","4","5","1") = "4"
    & skf18("3","2","5","3","4","6","1") = "5"
    & skf18("3","2","5","3","4","7","1") = "6"
    & skf18("3","2","5","3","4","8","1") = "7"
    & skf18("3","2","5","3","4","9","1") = "8"
    & skf18("3","2","5","3","4","10","1") = "9"
    & skf18("3","2","5","3","5","1","1") = "4"
    & skf18("3","2","5","3","5","2","1") = "4"
    & skf18("3","2","5","3","5","3","1") = "4"
    & skf18("3","2","5","3","5","4","1") = "4"
    & skf18("3","2","5","3","5","5","1") = "4"
    & skf18("3","2","5","3","5","6","1") = "5"
    & skf18("3","2","5","3","5","7","1") = "6"
    & skf18("3","2","5","3","5","8","1") = "7"
    & skf18("3","2","5","3","5","9","1") = "8"
    & skf18("3","2","5","3","5","10","1") = "9"
    & skf18("3","2","5","3","6","1","1") = "5"
    & skf18("3","2","5","3","6","2","1") = "5"
    & skf18("3","2","5","3","6","3","1") = "5"
    & skf18("3","2","5","3","6","4","1") = "5"
    & skf18("3","2","5","3","6","5","1") = "5"
    & skf18("3","2","5","3","6","6","1") = "5"
    & skf18("3","2","5","3","6","7","1") = "6"
    & skf18("3","2","5","3","6","8","1") = "7"
    & skf18("3","2","5","3","6","9","1") = "8"
    & skf18("3","2","5","3","6","10","1") = "9"
    & skf18("3","2","5","3","7","1","1") = "6"
    & skf18("3","2","5","3","7","2","1") = "6"
    & skf18("3","2","5","3","7","3","1") = "6"
    & skf18("3","2","5","3","7","4","1") = "6"
    & skf18("3","2","5","3","7","5","1") = "6"
    & skf18("3","2","5","3","7","6","1") = "6"
    & skf18("3","2","5","3","7","7","1") = "6"
    & skf18("3","2","5","3","7","8","1") = "7"
    & skf18("3","2","5","3","7","9","1") = "8"
    & skf18("3","2","5","3","7","10","1") = "9"
    & skf18("3","2","5","3","8","1","1") = "7"
    & skf18("3","2","5","3","8","2","1") = "7"
    & skf18("3","2","5","3","8","3","1") = "7"
    & skf18("3","2","5","3","8","4","1") = "7"
    & skf18("3","2","5","3","8","5","1") = "7"
    & skf18("3","2","5","3","8","6","1") = "7"
    & skf18("3","2","5","3","8","7","1") = "7"
    & skf18("3","2","5","3","8","8","1") = "7"
    & skf18("3","2","5","3","8","9","1") = "8"
    & skf18("3","2","5","3","8","10","1") = "9"
    & skf18("3","2","5","3","9","1","1") = "8"
    & skf18("3","2","5","3","9","2","1") = "8"
    & skf18("3","2","5","3","9","3","1") = "8"
    & skf18("3","2","5","3","9","4","1") = "8"
    & skf18("3","2","5","3","9","5","1") = "8"
    & skf18("3","2","5","3","9","6","1") = "8"
    & skf18("3","2","5","3","9","7","1") = "8"
    & skf18("3","2","5","3","9","8","1") = "8"
    & skf18("3","2","5","3","9","9","1") = "8"
    & skf18("3","2","5","3","9","10","1") = "9"
    & skf18("3","2","5","3","10","1","1") = "9"
    & skf18("3","2","5","3","10","2","1") = "9"
    & skf18("3","2","5","3","10","3","1") = "9"
    & skf18("3","2","5","3","10","4","1") = "9"
    & skf18("3","2","5","3","10","5","1") = "9"
    & skf18("3","2","5","3","10","6","1") = "9"
    & skf18("3","2","5","3","10","7","1") = "9"
    & skf18("3","2","5","3","10","8","1") = "9"
    & skf18("3","2","5","3","10","9","1") = "9"
    & skf18("3","2","5","3","10","10","1") = "9"
    & skf18("3","2","5","4","1","1","1") = "4"
    & skf18("3","2","5","4","1","2","1") = "4"
    & skf18("3","2","5","4","1","3","1") = "4"
    & skf18("3","2","5","4","1","4","1") = "4"
    & skf18("3","2","5","4","1","5","1") = "4"
    & skf18("3","2","5","4","1","6","1") = "5"
    & skf18("3","2","5","4","1","7","1") = "6"
    & skf18("3","2","5","4","1","8","1") = "7"
    & skf18("3","2","5","4","1","9","1") = "8"
    & skf18("3","2","5","4","1","10","1") = "9"
    & skf18("3","2","5","4","2","1","1") = "4"
    & skf18("3","2","5","4","2","2","1") = "4"
    & skf18("3","2","5","4","2","3","1") = "4"
    & skf18("3","2","5","4","2","4","1") = "4"
    & skf18("3","2","5","4","2","5","1") = "4"
    & skf18("3","2","5","4","2","6","1") = "5"
    & skf18("3","2","5","4","2","7","1") = "6"
    & skf18("3","2","5","4","2","8","1") = "7"
    & skf18("3","2","5","4","2","9","1") = "8"
    & skf18("3","2","5","4","2","10","1") = "9"
    & skf18("3","2","5","4","3","1","1") = "4"
    & skf18("3","2","5","4","3","2","1") = "4"
    & skf18("3","2","5","4","3","3","1") = "4"
    & skf18("3","2","5","4","3","4","1") = "4"
    & skf18("3","2","5","4","3","5","1") = "4"
    & skf18("3","2","5","4","3","6","1") = "5"
    & skf18("3","2","5","4","3","7","1") = "6"
    & skf18("3","2","5","4","3","8","1") = "7"
    & skf18("3","2","5","4","3","9","1") = "8"
    & skf18("3","2","5","4","3","10","1") = "9"
    & skf18("3","2","5","4","4","1","1") = "4"
    & skf18("3","2","5","4","4","2","1") = "4"
    & skf18("3","2","5","4","4","3","1") = "4"
    & skf18("3","2","5","4","4","4","1") = "4"
    & skf18("3","2","5","4","4","5","1") = "4"
    & skf18("3","2","5","4","4","6","1") = "5"
    & skf18("3","2","5","4","4","7","1") = "6"
    & skf18("3","2","5","4","4","8","1") = "7"
    & skf18("3","2","5","4","4","9","1") = "8"
    & skf18("3","2","5","4","4","10","1") = "9"
    & skf18("3","2","5","4","5","1","1") = "4"
    & skf18("3","2","5","4","5","2","1") = "4"
    & skf18("3","2","5","4","5","3","1") = "4"
    & skf18("3","2","5","4","5","4","1") = "4"
    & skf18("3","2","5","4","5","5","1") = "4"
    & skf18("3","2","5","4","5","6","1") = "5"
    & skf18("3","2","5","4","5","7","1") = "6"
    & skf18("3","2","5","4","5","8","1") = "7"
    & skf18("3","2","5","4","5","9","1") = "8"
    & skf18("3","2","5","4","5","10","1") = "9"
    & skf18("3","2","5","4","6","1","1") = "5"
    & skf18("3","2","5","4","6","2","1") = "5"
    & skf18("3","2","5","4","6","3","1") = "5"
    & skf18("3","2","5","4","6","4","1") = "5"
    & skf18("3","2","5","4","6","5","1") = "5"
    & skf18("3","2","5","4","6","6","1") = "5"
    & skf18("3","2","5","4","6","7","1") = "6"
    & skf18("3","2","5","4","6","8","1") = "7"
    & skf18("3","2","5","4","6","9","1") = "8"
    & skf18("3","2","5","4","6","10","1") = "9"
    & skf18("3","2","5","4","7","1","1") = "6"
    & skf18("3","2","5","4","7","2","1") = "6"
    & skf18("3","2","5","4","7","3","1") = "6"
    & skf18("3","2","5","4","7","4","1") = "6"
    & skf18("3","2","5","4","7","5","1") = "6"
    & skf18("3","2","5","4","7","6","1") = "6"
    & skf18("3","2","5","4","7","7","1") = "6"
    & skf18("3","2","5","4","7","8","1") = "7"
    & skf18("3","2","5","4","7","9","1") = "8"
    & skf18("3","2","5","4","7","10","1") = "9"
    & skf18("3","2","5","4","8","1","1") = "7"
    & skf18("3","2","5","4","8","2","1") = "7"
    & skf18("3","2","5","4","8","3","1") = "7"
    & skf18("3","2","5","4","8","4","1") = "7"
    & skf18("3","2","5","4","8","5","1") = "7"
    & skf18("3","2","5","4","8","6","1") = "7"
    & skf18("3","2","5","4","8","7","1") = "7"
    & skf18("3","2","5","4","8","8","1") = "7"
    & skf18("3","2","5","4","8","9","1") = "8"
    & skf18("3","2","5","4","8","10","1") = "9"
    & skf18("3","2","5","4","9","1","1") = "8"
    & skf18("3","2","5","4","9","2","1") = "8"
    & skf18("3","2","5","4","9","3","1") = "8"
    & skf18("3","2","5","4","9","4","1") = "8"
    & skf18("3","2","5","4","9","5","1") = "8"
    & skf18("3","2","5","4","9","6","1") = "8"
    & skf18("3","2","5","4","9","7","1") = "8"
    & skf18("3","2","5","4","9","8","1") = "8"
    & skf18("3","2","5","4","9","9","1") = "8"
    & skf18("3","2","5","4","9","10","1") = "9"
    & skf18("3","2","5","4","10","1","1") = "9"
    & skf18("3","2","5","4","10","2","1") = "9"
    & skf18("3","2","5","4","10","3","1") = "9"
    & skf18("3","2","5","4","10","4","1") = "9"
    & skf18("3","2","5","4","10","5","1") = "9"
    & skf18("3","2","5","4","10","6","1") = "9"
    & skf18("3","2","5","4","10","7","1") = "9"
    & skf18("3","2","5","4","10","8","1") = "9"
    & skf18("3","2","5","4","10","9","1") = "9"
    & skf18("3","2","5","4","10","10","1") = "9"
    & skf18("3","2","5","5","1","1","1") = "4"
    & skf18("3","2","5","5","1","2","1") = "4"
    & skf18("3","2","5","5","1","3","1") = "4"
    & skf18("3","2","5","5","1","4","1") = "4"
    & skf18("3","2","5","5","1","5","1") = "4"
    & skf18("3","2","5","5","1","6","1") = "5"
    & skf18("3","2","5","5","1","7","1") = "6"
    & skf18("3","2","5","5","1","8","1") = "7"
    & skf18("3","2","5","5","1","9","1") = "8"
    & skf18("3","2","5","5","1","10","1") = "9"
    & skf18("3","2","5","5","2","1","1") = "4"
    & skf18("3","2","5","5","2","2","1") = "4"
    & skf18("3","2","5","5","2","3","1") = "4"
    & skf18("3","2","5","5","2","4","1") = "4"
    & skf18("3","2","5","5","2","5","1") = "4"
    & skf18("3","2","5","5","2","6","1") = "5"
    & skf18("3","2","5","5","2","7","1") = "6"
    & skf18("3","2","5","5","2","8","1") = "7"
    & skf18("3","2","5","5","2","9","1") = "8"
    & skf18("3","2","5","5","2","10","1") = "9"
    & skf18("3","2","5","5","3","1","1") = "4"
    & skf18("3","2","5","5","3","2","1") = "4"
    & skf18("3","2","5","5","3","3","1") = "4"
    & skf18("3","2","5","5","3","4","1") = "4"
    & skf18("3","2","5","5","3","5","1") = "4"
    & skf18("3","2","5","5","3","6","1") = "5"
    & skf18("3","2","5","5","3","7","1") = "6"
    & skf18("3","2","5","5","3","8","1") = "7"
    & skf18("3","2","5","5","3","9","1") = "8"
    & skf18("3","2","5","5","3","10","1") = "9"
    & skf18("3","2","5","5","4","1","1") = "4"
    & skf18("3","2","5","5","4","2","1") = "4"
    & skf18("3","2","5","5","4","3","1") = "4"
    & skf18("3","2","5","5","4","4","1") = "4"
    & skf18("3","2","5","5","4","5","1") = "4"
    & skf18("3","2","5","5","4","6","1") = "5"
    & skf18("3","2","5","5","4","7","1") = "6"
    & skf18("3","2","5","5","4","8","1") = "7"
    & skf18("3","2","5","5","4","9","1") = "8"
    & skf18("3","2","5","5","4","10","1") = "9"
    & skf18("3","2","5","5","5","1","1") = "4"
    & skf18("3","2","5","5","5","2","1") = "4"
    & skf18("3","2","5","5","5","3","1") = "4"
    & skf18("3","2","5","5","5","4","1") = "4"
    & skf18("3","2","5","5","5","5","1") = "4"
    & skf18("3","2","5","5","5","6","1") = "5"
    & skf18("3","2","5","5","5","7","1") = "6"
    & skf18("3","2","5","5","5","8","1") = "7"
    & skf18("3","2","5","5","5","9","1") = "8"
    & skf18("3","2","5","5","5","10","1") = "9"
    & skf18("3","2","5","5","6","1","1") = "5"
    & skf18("3","2","5","5","6","2","1") = "5"
    & skf18("3","2","5","5","6","3","1") = "5"
    & skf18("3","2","5","5","6","4","1") = "5"
    & skf18("3","2","5","5","6","5","1") = "5"
    & skf18("3","2","5","5","6","6","1") = "5"
    & skf18("3","2","5","5","6","7","1") = "6"
    & skf18("3","2","5","5","6","8","1") = "7"
    & skf18("3","2","5","5","6","9","1") = "8"
    & skf18("3","2","5","5","6","10","1") = "9"
    & skf18("3","2","5","5","7","1","1") = "6"
    & skf18("3","2","5","5","7","2","1") = "6"
    & skf18("3","2","5","5","7","3","1") = "6"
    & skf18("3","2","5","5","7","4","1") = "6"
    & skf18("3","2","5","5","7","5","1") = "6"
    & skf18("3","2","5","5","7","6","1") = "6"
    & skf18("3","2","5","5","7","7","1") = "6"
    & skf18("3","2","5","5","7","8","1") = "7"
    & skf18("3","2","5","5","7","9","1") = "8"
    & skf18("3","2","5","5","7","10","1") = "9"
    & skf18("3","2","5","5","8","1","1") = "7"
    & skf18("3","2","5","5","8","2","1") = "7"
    & skf18("3","2","5","5","8","3","1") = "7"
    & skf18("3","2","5","5","8","4","1") = "7"
    & skf18("3","2","5","5","8","5","1") = "7"
    & skf18("3","2","5","5","8","6","1") = "7"
    & skf18("3","2","5","5","8","7","1") = "7"
    & skf18("3","2","5","5","8","8","1") = "7"
    & skf18("3","2","5","5","8","9","1") = "8"
    & skf18("3","2","5","5","8","10","1") = "9"
    & skf18("3","2","5","5","9","1","1") = "8"
    & skf18("3","2","5","5","9","2","1") = "8"
    & skf18("3","2","5","5","9","3","1") = "8"
    & skf18("3","2","5","5","9","4","1") = "8"
    & skf18("3","2","5","5","9","5","1") = "8"
    & skf18("3","2","5","5","9","6","1") = "8"
    & skf18("3","2","5","5","9","7","1") = "8"
    & skf18("3","2","5","5","9","8","1") = "8"
    & skf18("3","2","5","5","9","9","1") = "8"
    & skf18("3","2","5","5","9","10","1") = "9"
    & skf18("3","2","5","5","10","1","1") = "9"
    & skf18("3","2","5","5","10","2","1") = "9"
    & skf18("3","2","5","5","10","3","1") = "9"
    & skf18("3","2","5","5","10","4","1") = "9"
    & skf18("3","2","5","5","10","5","1") = "9"
    & skf18("3","2","5","5","10","6","1") = "9"
    & skf18("3","2","5","5","10","7","1") = "9"
    & skf18("3","2","5","5","10","8","1") = "9"
    & skf18("3","2","5","5","10","9","1") = "9"
    & skf18("3","2","5","5","10","10","1") = "9"
    & skf18("3","2","5","6","1","1","1") = "5"
    & skf18("3","2","5","6","1","2","1") = "5"
    & skf18("3","2","5","6","1","3","1") = "5"
    & skf18("3","2","5","6","1","4","1") = "5"
    & skf18("3","2","5","6","1","5","1") = "5"
    & skf18("3","2","5","6","1","6","1") = "5"
    & skf18("3","2","5","6","1","7","1") = "6"
    & skf18("3","2","5","6","1","8","1") = "7"
    & skf18("3","2","5","6","1","9","1") = "8"
    & skf18("3","2","5","6","1","10","1") = "9"
    & skf18("3","2","5","6","2","1","1") = "5"
    & skf18("3","2","5","6","2","2","1") = "5"
    & skf18("3","2","5","6","2","3","1") = "5"
    & skf18("3","2","5","6","2","4","1") = "5"
    & skf18("3","2","5","6","2","5","1") = "5"
    & skf18("3","2","5","6","2","6","1") = "5"
    & skf18("3","2","5","6","2","7","1") = "6"
    & skf18("3","2","5","6","2","8","1") = "7"
    & skf18("3","2","5","6","2","9","1") = "8"
    & skf18("3","2","5","6","2","10","1") = "9"
    & skf18("3","2","5","6","3","1","1") = "5"
    & skf18("3","2","5","6","3","2","1") = "5"
    & skf18("3","2","5","6","3","3","1") = "5"
    & skf18("3","2","5","6","3","4","1") = "5"
    & skf18("3","2","5","6","3","5","1") = "5"
    & skf18("3","2","5","6","3","6","1") = "5"
    & skf18("3","2","5","6","3","7","1") = "6"
    & skf18("3","2","5","6","3","8","1") = "7"
    & skf18("3","2","5","6","3","9","1") = "8"
    & skf18("3","2","5","6","3","10","1") = "9"
    & skf18("3","2","5","6","4","1","1") = "5"
    & skf18("3","2","5","6","4","2","1") = "5"
    & skf18("3","2","5","6","4","3","1") = "5"
    & skf18("3","2","5","6","4","4","1") = "5"
    & skf18("3","2","5","6","4","5","1") = "5"
    & skf18("3","2","5","6","4","6","1") = "5"
    & skf18("3","2","5","6","4","7","1") = "6"
    & skf18("3","2","5","6","4","8","1") = "7"
    & skf18("3","2","5","6","4","9","1") = "8"
    & skf18("3","2","5","6","4","10","1") = "9"
    & skf18("3","2","5","6","5","1","1") = "5"
    & skf18("3","2","5","6","5","2","1") = "5"
    & skf18("3","2","5","6","5","3","1") = "5"
    & skf18("3","2","5","6","5","4","1") = "5"
    & skf18("3","2","5","6","5","5","1") = "5"
    & skf18("3","2","5","6","5","6","1") = "5"
    & skf18("3","2","5","6","5","7","1") = "6"
    & skf18("3","2","5","6","5","8","1") = "7"
    & skf18("3","2","5","6","5","9","1") = "8"
    & skf18("3","2","5","6","5","10","1") = "9"
    & skf18("3","2","5","6","6","1","1") = "5"
    & skf18("3","2","5","6","6","2","1") = "5"
    & skf18("3","2","5","6","6","3","1") = "5"
    & skf18("3","2","5","6","6","4","1") = "5"
    & skf18("3","2","5","6","6","5","1") = "5"
    & skf18("3","2","5","6","6","6","1") = "5"
    & skf18("3","2","5","6","6","7","1") = "6"
    & skf18("3","2","5","6","6","8","1") = "7"
    & skf18("3","2","5","6","6","9","1") = "8"
    & skf18("3","2","5","6","6","10","1") = "9"
    & skf18("3","2","5","6","7","1","1") = "6"
    & skf18("3","2","5","6","7","2","1") = "6"
    & skf18("3","2","5","6","7","3","1") = "6"
    & skf18("3","2","5","6","7","4","1") = "6"
    & skf18("3","2","5","6","7","5","1") = "6"
    & skf18("3","2","5","6","7","6","1") = "6"
    & skf18("3","2","5","6","7","7","1") = "6"
    & skf18("3","2","5","6","7","8","1") = "7"
    & skf18("3","2","5","6","7","9","1") = "8"
    & skf18("3","2","5","6","7","10","1") = "9"
    & skf18("3","2","5","6","8","1","1") = "7"
    & skf18("3","2","5","6","8","2","1") = "7"
    & skf18("3","2","5","6","8","3","1") = "7"
    & skf18("3","2","5","6","8","4","1") = "7"
    & skf18("3","2","5","6","8","5","1") = "7"
    & skf18("3","2","5","6","8","6","1") = "7"
    & skf18("3","2","5","6","8","7","1") = "7"
    & skf18("3","2","5","6","8","8","1") = "7"
    & skf18("3","2","5","6","8","9","1") = "8"
    & skf18("3","2","5","6","8","10","1") = "9"
    & skf18("3","2","5","6","9","1","1") = "8"
    & skf18("3","2","5","6","9","2","1") = "8"
    & skf18("3","2","5","6","9","3","1") = "8"
    & skf18("3","2","5","6","9","4","1") = "8"
    & skf18("3","2","5","6","9","5","1") = "8"
    & skf18("3","2","5","6","9","6","1") = "8"
    & skf18("3","2","5","6","9","7","1") = "8"
    & skf18("3","2","5","6","9","8","1") = "8"
    & skf18("3","2","5","6","9","9","1") = "8"
    & skf18("3","2","5","6","9","10","1") = "9"
    & skf18("3","2","5","6","10","1","1") = "9"
    & skf18("3","2","5","6","10","2","1") = "9"
    & skf18("3","2","5","6","10","3","1") = "9"
    & skf18("3","2","5","6","10","4","1") = "9"
    & skf18("3","2","5","6","10","5","1") = "9"
    & skf18("3","2","5","6","10","6","1") = "9"
    & skf18("3","2","5","6","10","7","1") = "9"
    & skf18("3","2","5","6","10","8","1") = "9"
    & skf18("3","2","5","6","10","9","1") = "9"
    & skf18("3","2","5","6","10","10","1") = "9"
    & skf18("3","2","5","7","1","1","1") = "6"
    & skf18("3","2","5","7","1","2","1") = "6"
    & skf18("3","2","5","7","1","3","1") = "6"
    & skf18("3","2","5","7","1","4","1") = "6"
    & skf18("3","2","5","7","1","5","1") = "6"
    & skf18("3","2","5","7","1","6","1") = "6"
    & skf18("3","2","5","7","1","7","1") = "6"
    & skf18("3","2","5","7","1","8","1") = "7"
    & skf18("3","2","5","7","1","9","1") = "8"
    & skf18("3","2","5","7","1","10","1") = "9"
    & skf18("3","2","5","7","2","1","1") = "6"
    & skf18("3","2","5","7","2","2","1") = "6"
    & skf18("3","2","5","7","2","3","1") = "6"
    & skf18("3","2","5","7","2","4","1") = "6"
    & skf18("3","2","5","7","2","5","1") = "6"
    & skf18("3","2","5","7","2","6","1") = "6"
    & skf18("3","2","5","7","2","7","1") = "6"
    & skf18("3","2","5","7","2","8","1") = "7"
    & skf18("3","2","5","7","2","9","1") = "8"
    & skf18("3","2","5","7","2","10","1") = "9"
    & skf18("3","2","5","7","3","1","1") = "6"
    & skf18("3","2","5","7","3","2","1") = "6"
    & skf18("3","2","5","7","3","3","1") = "6"
    & skf18("3","2","5","7","3","4","1") = "6"
    & skf18("3","2","5","7","3","5","1") = "6"
    & skf18("3","2","5","7","3","6","1") = "6"
    & skf18("3","2","5","7","3","7","1") = "6"
    & skf18("3","2","5","7","3","8","1") = "7"
    & skf18("3","2","5","7","3","9","1") = "8"
    & skf18("3","2","5","7","3","10","1") = "9"
    & skf18("3","2","5","7","4","1","1") = "6"
    & skf18("3","2","5","7","4","2","1") = "6"
    & skf18("3","2","5","7","4","3","1") = "6"
    & skf18("3","2","5","7","4","4","1") = "6"
    & skf18("3","2","5","7","4","5","1") = "6"
    & skf18("3","2","5","7","4","6","1") = "6"
    & skf18("3","2","5","7","4","7","1") = "6"
    & skf18("3","2","5","7","4","8","1") = "7"
    & skf18("3","2","5","7","4","9","1") = "8"
    & skf18("3","2","5","7","4","10","1") = "9"
    & skf18("3","2","5","7","5","1","1") = "6"
    & skf18("3","2","5","7","5","2","1") = "6"
    & skf18("3","2","5","7","5","3","1") = "6"
    & skf18("3","2","5","7","5","4","1") = "6"
    & skf18("3","2","5","7","5","5","1") = "6"
    & skf18("3","2","5","7","5","6","1") = "6"
    & skf18("3","2","5","7","5","7","1") = "6"
    & skf18("3","2","5","7","5","8","1") = "7"
    & skf18("3","2","5","7","5","9","1") = "8"
    & skf18("3","2","5","7","5","10","1") = "9"
    & skf18("3","2","5","7","6","1","1") = "6"
    & skf18("3","2","5","7","6","2","1") = "6"
    & skf18("3","2","5","7","6","3","1") = "6"
    & skf18("3","2","5","7","6","4","1") = "6"
    & skf18("3","2","5","7","6","5","1") = "6"
    & skf18("3","2","5","7","6","6","1") = "6"
    & skf18("3","2","5","7","6","7","1") = "6"
    & skf18("3","2","5","7","6","8","1") = "7"
    & skf18("3","2","5","7","6","9","1") = "8"
    & skf18("3","2","5","7","6","10","1") = "9"
    & skf18("3","2","5","7","7","1","1") = "6"
    & skf18("3","2","5","7","7","2","1") = "6"
    & skf18("3","2","5","7","7","3","1") = "6"
    & skf18("3","2","5","7","7","4","1") = "6"
    & skf18("3","2","5","7","7","5","1") = "6"
    & skf18("3","2","5","7","7","6","1") = "6"
    & skf18("3","2","5","7","7","7","1") = "6"
    & skf18("3","2","5","7","7","8","1") = "7"
    & skf18("3","2","5","7","7","9","1") = "8"
    & skf18("3","2","5","7","7","10","1") = "9"
    & skf18("3","2","5","7","8","1","1") = "7"
    & skf18("3","2","5","7","8","2","1") = "7"
    & skf18("3","2","5","7","8","3","1") = "7"
    & skf18("3","2","5","7","8","4","1") = "7"
    & skf18("3","2","5","7","8","5","1") = "7"
    & skf18("3","2","5","7","8","6","1") = "7"
    & skf18("3","2","5","7","8","7","1") = "7"
    & skf18("3","2","5","7","8","8","1") = "7"
    & skf18("3","2","5","7","8","9","1") = "8"
    & skf18("3","2","5","7","8","10","1") = "9"
    & skf18("3","2","5","7","9","1","1") = "8"
    & skf18("3","2","5","7","9","2","1") = "8"
    & skf18("3","2","5","7","9","3","1") = "8"
    & skf18("3","2","5","7","9","4","1") = "8"
    & skf18("3","2","5","7","9","5","1") = "8"
    & skf18("3","2","5","7","9","6","1") = "8"
    & skf18("3","2","5","7","9","7","1") = "8"
    & skf18("3","2","5","7","9","8","1") = "8"
    & skf18("3","2","5","7","9","9","1") = "8"
    & skf18("3","2","5","7","9","10","1") = "9"
    & skf18("3","2","5","7","10","1","1") = "9"
    & skf18("3","2","5","7","10","2","1") = "9"
    & skf18("3","2","5","7","10","3","1") = "9"
    & skf18("3","2","5","7","10","4","1") = "9"
    & skf18("3","2","5","7","10","5","1") = "9"
    & skf18("3","2","5","7","10","6","1") = "9"
    & skf18("3","2","5","7","10","7","1") = "9"
    & skf18("3","2","5","7","10","8","1") = "9"
    & skf18("3","2","5","7","10","9","1") = "9"
    & skf18("3","2","5","7","10","10","1") = "9"
    & skf18("3","2","5","8","1","1","1") = "7"
    & skf18("3","2","5","8","1","2","1") = "7"
    & skf18("3","2","5","8","1","3","1") = "7"
    & skf18("3","2","5","8","1","4","1") = "7"
    & skf18("3","2","5","8","1","5","1") = "7"
    & skf18("3","2","5","8","1","6","1") = "7"
    & skf18("3","2","5","8","1","7","1") = "7"
    & skf18("3","2","5","8","1","8","1") = "7"
    & skf18("3","2","5","8","1","9","1") = "8"
    & skf18("3","2","5","8","1","10","1") = "9"
    & skf18("3","2","5","8","2","1","1") = "7"
    & skf18("3","2","5","8","2","2","1") = "7"
    & skf18("3","2","5","8","2","3","1") = "7"
    & skf18("3","2","5","8","2","4","1") = "7"
    & skf18("3","2","5","8","2","5","1") = "7"
    & skf18("3","2","5","8","2","6","1") = "7"
    & skf18("3","2","5","8","2","7","1") = "7"
    & skf18("3","2","5","8","2","8","1") = "7"
    & skf18("3","2","5","8","2","9","1") = "8"
    & skf18("3","2","5","8","2","10","1") = "9"
    & skf18("3","2","5","8","3","1","1") = "7"
    & skf18("3","2","5","8","3","2","1") = "7"
    & skf18("3","2","5","8","3","3","1") = "7"
    & skf18("3","2","5","8","3","4","1") = "7"
    & skf18("3","2","5","8","3","5","1") = "7"
    & skf18("3","2","5","8","3","6","1") = "7"
    & skf18("3","2","5","8","3","7","1") = "7"
    & skf18("3","2","5","8","3","8","1") = "7"
    & skf18("3","2","5","8","3","9","1") = "8"
    & skf18("3","2","5","8","3","10","1") = "9"
    & skf18("3","2","5","8","4","1","1") = "7"
    & skf18("3","2","5","8","4","2","1") = "7"
    & skf18("3","2","5","8","4","3","1") = "7"
    & skf18("3","2","5","8","4","4","1") = "7"
    & skf18("3","2","5","8","4","5","1") = "7"
    & skf18("3","2","5","8","4","6","1") = "7"
    & skf18("3","2","5","8","4","7","1") = "7"
    & skf18("3","2","5","8","4","8","1") = "7"
    & skf18("3","2","5","8","4","9","1") = "8"
    & skf18("3","2","5","8","4","10","1") = "9"
    & skf18("3","2","5","8","5","1","1") = "7"
    & skf18("3","2","5","8","5","2","1") = "7"
    & skf18("3","2","5","8","5","3","1") = "7"
    & skf18("3","2","5","8","5","4","1") = "7"
    & skf18("3","2","5","8","5","5","1") = "7"
    & skf18("3","2","5","8","5","6","1") = "7"
    & skf18("3","2","5","8","5","7","1") = "7"
    & skf18("3","2","5","8","5","8","1") = "7"
    & skf18("3","2","5","8","5","9","1") = "8"
    & skf18("3","2","5","8","5","10","1") = "9"
    & skf18("3","2","5","8","6","1","1") = "7"
    & skf18("3","2","5","8","6","2","1") = "7"
    & skf18("3","2","5","8","6","3","1") = "7"
    & skf18("3","2","5","8","6","4","1") = "7"
    & skf18("3","2","5","8","6","5","1") = "7"
    & skf18("3","2","5","8","6","6","1") = "7"
    & skf18("3","2","5","8","6","7","1") = "7"
    & skf18("3","2","5","8","6","8","1") = "7"
    & skf18("3","2","5","8","6","9","1") = "8"
    & skf18("3","2","5","8","6","10","1") = "9"
    & skf18("3","2","5","8","7","1","1") = "7"
    & skf18("3","2","5","8","7","2","1") = "7"
    & skf18("3","2","5","8","7","3","1") = "7"
    & skf18("3","2","5","8","7","4","1") = "7"
    & skf18("3","2","5","8","7","5","1") = "7"
    & skf18("3","2","5","8","7","6","1") = "7"
    & skf18("3","2","5","8","7","7","1") = "7"
    & skf18("3","2","5","8","7","8","1") = "7"
    & skf18("3","2","5","8","7","9","1") = "8"
    & skf18("3","2","5","8","7","10","1") = "9"
    & skf18("3","2","5","8","8","1","1") = "7"
    & skf18("3","2","5","8","8","2","1") = "7"
    & skf18("3","2","5","8","8","3","1") = "7"
    & skf18("3","2","5","8","8","4","1") = "7"
    & skf18("3","2","5","8","8","5","1") = "7"
    & skf18("3","2","5","8","8","6","1") = "7"
    & skf18("3","2","5","8","8","7","1") = "7"
    & skf18("3","2","5","8","8","8","1") = "7"
    & skf18("3","2","5","8","8","9","1") = "8"
    & skf18("3","2","5","8","8","10","1") = "9"
    & skf18("3","2","5","8","9","1","1") = "8"
    & skf18("3","2","5","8","9","2","1") = "8"
    & skf18("3","2","5","8","9","3","1") = "8"
    & skf18("3","2","5","8","9","4","1") = "8"
    & skf18("3","2","5","8","9","5","1") = "8"
    & skf18("3","2","5","8","9","6","1") = "8"
    & skf18("3","2","5","8","9","7","1") = "8"
    & skf18("3","2","5","8","9","8","1") = "8"
    & skf18("3","2","5","8","9","9","1") = "8"
    & skf18("3","2","5","8","9","10","1") = "9"
    & skf18("3","2","5","8","10","1","1") = "9"
    & skf18("3","2","5","8","10","2","1") = "9"
    & skf18("3","2","5","8","10","3","1") = "9"
    & skf18("3","2","5","8","10","4","1") = "9"
    & skf18("3","2","5","8","10","5","1") = "9"
    & skf18("3","2","5","8","10","6","1") = "9"
    & skf18("3","2","5","8","10","7","1") = "9"
    & skf18("3","2","5","8","10","8","1") = "9"
    & skf18("3","2","5","8","10","9","1") = "9"
    & skf18("3","2","5","8","10","10","1") = "9"
    & skf18("3","2","5","9","1","1","1") = "8"
    & skf18("3","2","5","9","1","2","1") = "8"
    & skf18("3","2","5","9","1","3","1") = "8"
    & skf18("3","2","5","9","1","4","1") = "8"
    & skf18("3","2","5","9","1","5","1") = "8"
    & skf18("3","2","5","9","1","6","1") = "8"
    & skf18("3","2","5","9","1","7","1") = "8"
    & skf18("3","2","5","9","1","8","1") = "8"
    & skf18("3","2","5","9","1","9","1") = "8"
    & skf18("3","2","5","9","1","10","1") = "9"
    & skf18("3","2","5","9","2","1","1") = "8"
    & skf18("3","2","5","9","2","2","1") = "8"
    & skf18("3","2","5","9","2","3","1") = "8"
    & skf18("3","2","5","9","2","4","1") = "8"
    & skf18("3","2","5","9","2","5","1") = "8"
    & skf18("3","2","5","9","2","6","1") = "8"
    & skf18("3","2","5","9","2","7","1") = "8"
    & skf18("3","2","5","9","2","8","1") = "8"
    & skf18("3","2","5","9","2","9","1") = "8"
    & skf18("3","2","5","9","2","10","1") = "9"
    & skf18("3","2","5","9","3","1","1") = "8"
    & skf18("3","2","5","9","3","2","1") = "8"
    & skf18("3","2","5","9","3","3","1") = "8"
    & skf18("3","2","5","9","3","4","1") = "8"
    & skf18("3","2","5","9","3","5","1") = "8"
    & skf18("3","2","5","9","3","6","1") = "8"
    & skf18("3","2","5","9","3","7","1") = "8"
    & skf18("3","2","5","9","3","8","1") = "8"
    & skf18("3","2","5","9","3","9","1") = "8"
    & skf18("3","2","5","9","3","10","1") = "9"
    & skf18("3","2","5","9","4","1","1") = "8"
    & skf18("3","2","5","9","4","2","1") = "8"
    & skf18("3","2","5","9","4","3","1") = "8"
    & skf18("3","2","5","9","4","4","1") = "8"
    & skf18("3","2","5","9","4","5","1") = "8"
    & skf18("3","2","5","9","4","6","1") = "8"
    & skf18("3","2","5","9","4","7","1") = "8"
    & skf18("3","2","5","9","4","8","1") = "8"
    & skf18("3","2","5","9","4","9","1") = "8"
    & skf18("3","2","5","9","4","10","1") = "9"
    & skf18("3","2","5","9","5","1","1") = "8"
    & skf18("3","2","5","9","5","2","1") = "8"
    & skf18("3","2","5","9","5","3","1") = "8"
    & skf18("3","2","5","9","5","4","1") = "8"
    & skf18("3","2","5","9","5","5","1") = "8"
    & skf18("3","2","5","9","5","6","1") = "8"
    & skf18("3","2","5","9","5","7","1") = "8"
    & skf18("3","2","5","9","5","8","1") = "8"
    & skf18("3","2","5","9","5","9","1") = "8"
    & skf18("3","2","5","9","5","10","1") = "9"
    & skf18("3","2","5","9","6","1","1") = "8"
    & skf18("3","2","5","9","6","2","1") = "8"
    & skf18("3","2","5","9","6","3","1") = "8"
    & skf18("3","2","5","9","6","4","1") = "8"
    & skf18("3","2","5","9","6","5","1") = "8"
    & skf18("3","2","5","9","6","6","1") = "8"
    & skf18("3","2","5","9","6","7","1") = "8"
    & skf18("3","2","5","9","6","8","1") = "8"
    & skf18("3","2","5","9","6","9","1") = "8"
    & skf18("3","2","5","9","6","10","1") = "9"
    & skf18("3","2","5","9","7","1","1") = "8"
    & skf18("3","2","5","9","7","2","1") = "8"
    & skf18("3","2","5","9","7","3","1") = "8"
    & skf18("3","2","5","9","7","4","1") = "8"
    & skf18("3","2","5","9","7","5","1") = "8"
    & skf18("3","2","5","9","7","6","1") = "8"
    & skf18("3","2","5","9","7","7","1") = "8"
    & skf18("3","2","5","9","7","8","1") = "8"
    & skf18("3","2","5","9","7","9","1") = "8"
    & skf18("3","2","5","9","7","10","1") = "9"
    & skf18("3","2","5","9","8","1","1") = "8"
    & skf18("3","2","5","9","8","2","1") = "8"
    & skf18("3","2","5","9","8","3","1") = "8"
    & skf18("3","2","5","9","8","4","1") = "8"
    & skf18("3","2","5","9","8","5","1") = "8"
    & skf18("3","2","5","9","8","6","1") = "8"
    & skf18("3","2","5","9","8","7","1") = "8"
    & skf18("3","2","5","9","8","8","1") = "8"
    & skf18("3","2","5","9","8","9","1") = "8"
    & skf18("3","2","5","9","8","10","1") = "9"
    & skf18("3","2","5","9","9","1","1") = "8"
    & skf18("3","2","5","9","9","2","1") = "8"
    & skf18("3","2","5","9","9","3","1") = "8"
    & skf18("3","2","5","9","9","4","1") = "8"
    & skf18("3","2","5","9","9","5","1") = "8"
    & skf18("3","2","5","9","9","6","1") = "8"
    & skf18("3","2","5","9","9","7","1") = "8"
    & skf18("3","2","5","9","9","8","1") = "8"
    & skf18("3","2","5","9","9","9","1") = "8"
    & skf18("3","2","5","9","9","10","1") = "9"
    & skf18("3","2","5","9","10","1","1") = "9"
    & skf18("3","2","5","9","10","2","1") = "9"
    & skf18("3","2","5","9","10","3","1") = "9"
    & skf18("3","2","5","9","10","4","1") = "9"
    & skf18("3","2","5","9","10","5","1") = "9"
    & skf18("3","2","5","9","10","6","1") = "9"
    & skf18("3","2","5","9","10","7","1") = "9"
    & skf18("3","2","5","9","10","8","1") = "9"
    & skf18("3","2","5","9","10","9","1") = "9"
    & skf18("3","2","5","9","10","10","1") = "9"
    & skf18("3","2","5","10","1","1","1") = "9"
    & skf18("3","2","5","10","1","2","1") = "9"
    & skf18("3","2","5","10","1","3","1") = "9"
    & skf18("3","2","5","10","1","4","1") = "9"
    & skf18("3","2","5","10","1","5","1") = "9"
    & skf18("3","2","5","10","1","6","1") = "9"
    & skf18("3","2","5","10","1","7","1") = "9"
    & skf18("3","2","5","10","1","8","1") = "9"
    & skf18("3","2","5","10","1","9","1") = "9"
    & skf18("3","2","5","10","1","10","1") = "9"
    & skf18("3","2","5","10","2","1","1") = "9"
    & skf18("3","2","5","10","2","2","1") = "9"
    & skf18("3","2","5","10","2","3","1") = "9"
    & skf18("3","2","5","10","2","4","1") = "9"
    & skf18("3","2","5","10","2","5","1") = "9"
    & skf18("3","2","5","10","2","6","1") = "9"
    & skf18("3","2","5","10","2","7","1") = "9"
    & skf18("3","2","5","10","2","8","1") = "9"
    & skf18("3","2","5","10","2","9","1") = "9"
    & skf18("3","2","5","10","2","10","1") = "9"
    & skf18("3","2","5","10","3","1","1") = "9"
    & skf18("3","2","5","10","3","2","1") = "9"
    & skf18("3","2","5","10","3","3","1") = "9"
    & skf18("3","2","5","10","3","4","1") = "9"
    & skf18("3","2","5","10","3","5","1") = "9"
    & skf18("3","2","5","10","3","6","1") = "9"
    & skf18("3","2","5","10","3","7","1") = "9"
    & skf18("3","2","5","10","3","8","1") = "9"
    & skf18("3","2","5","10","3","9","1") = "9"
    & skf18("3","2","5","10","3","10","1") = "9"
    & skf18("3","2","5","10","4","1","1") = "9"
    & skf18("3","2","5","10","4","2","1") = "9"
    & skf18("3","2","5","10","4","3","1") = "9"
    & skf18("3","2","5","10","4","4","1") = "9"
    & skf18("3","2","5","10","4","5","1") = "9"
    & skf18("3","2","5","10","4","6","1") = "9"
    & skf18("3","2","5","10","4","7","1") = "9"
    & skf18("3","2","5","10","4","8","1") = "9"
    & skf18("3","2","5","10","4","9","1") = "9"
    & skf18("3","2","5","10","4","10","1") = "9"
    & skf18("3","2","5","10","5","1","1") = "9"
    & skf18("3","2","5","10","5","2","1") = "9"
    & skf18("3","2","5","10","5","3","1") = "9"
    & skf18("3","2","5","10","5","4","1") = "9"
    & skf18("3","2","5","10","5","5","1") = "9"
    & skf18("3","2","5","10","5","6","1") = "9"
    & skf18("3","2","5","10","5","7","1") = "9"
    & skf18("3","2","5","10","5","8","1") = "9"
    & skf18("3","2","5","10","5","9","1") = "9"
    & skf18("3","2","5","10","5","10","1") = "9"
    & skf18("3","2","5","10","6","1","1") = "9"
    & skf18("3","2","5","10","6","2","1") = "9"
    & skf18("3","2","5","10","6","3","1") = "9"
    & skf18("3","2","5","10","6","4","1") = "9"
    & skf18("3","2","5","10","6","5","1") = "9"
    & skf18("3","2","5","10","6","6","1") = "9"
    & skf18("3","2","5","10","6","7","1") = "9"
    & skf18("3","2","5","10","6","8","1") = "9"
    & skf18("3","2","5","10","6","9","1") = "9"
    & skf18("3","2","5","10","6","10","1") = "9"
    & skf18("3","2","5","10","7","1","1") = "9"
    & skf18("3","2","5","10","7","2","1") = "9"
    & skf18("3","2","5","10","7","3","1") = "9"
    & skf18("3","2","5","10","7","4","1") = "9"
    & skf18("3","2","5","10","7","5","1") = "9"
    & skf18("3","2","5","10","7","6","1") = "9"
    & skf18("3","2","5","10","7","7","1") = "9"
    & skf18("3","2","5","10","7","8","1") = "9"
    & skf18("3","2","5","10","7","9","1") = "9"
    & skf18("3","2","5","10","7","10","1") = "9"
    & skf18("3","2","5","10","8","1","1") = "9"
    & skf18("3","2","5","10","8","2","1") = "9"
    & skf18("3","2","5","10","8","3","1") = "9"
    & skf18("3","2","5","10","8","4","1") = "9"
    & skf18("3","2","5","10","8","5","1") = "9"
    & skf18("3","2","5","10","8","6","1") = "9"
    & skf18("3","2","5","10","8","7","1") = "9"
    & skf18("3","2","5","10","8","8","1") = "9"
    & skf18("3","2","5","10","8","9","1") = "9"
    & skf18("3","2","5","10","8","10","1") = "9"
    & skf18("3","2","5","10","9","1","1") = "9"
    & skf18("3","2","5","10","9","2","1") = "9"
    & skf18("3","2","5","10","9","3","1") = "9"
    & skf18("3","2","5","10","9","4","1") = "9"
    & skf18("3","2","5","10","9","5","1") = "9"
    & skf18("3","2","5","10","9","6","1") = "9"
    & skf18("3","2","5","10","9","7","1") = "9"
    & skf18("3","2","5","10","9","8","1") = "9"
    & skf18("3","2","5","10","9","9","1") = "9"
    & skf18("3","2","5","10","9","10","1") = "9"
    & skf18("3","2","5","10","10","1","1") = "9"
    & skf18("3","2","5","10","10","2","1") = "9"
    & skf18("3","2","5","10","10","3","1") = "9"
    & skf18("3","2","5","10","10","4","1") = "9"
    & skf18("3","2","5","10","10","5","1") = "9"
    & skf18("3","2","5","10","10","6","1") = "9"
    & skf18("3","2","5","10","10","7","1") = "9"
    & skf18("3","2","5","10","10","8","1") = "9"
    & skf18("3","2","5","10","10","9","1") = "9"
    & skf18("3","2","5","10","10","10","1") = "9"
    & skf18("3","2","6","1","1","1","1") = "5"
    & skf18("3","2","6","1","1","2","1") = "5"
    & skf18("3","2","6","1","1","3","1") = "5"
    & skf18("3","2","6","1","1","4","1") = "5"
    & skf18("3","2","6","1","1","5","1") = "5"
    & skf18("3","2","6","1","1","6","1") = "5"
    & skf18("3","2","6","1","1","7","1") = "6"
    & skf18("3","2","6","1","1","8","1") = "7"
    & skf18("3","2","6","1","1","9","1") = "8"
    & skf18("3","2","6","1","1","10","1") = "9"
    & skf18("3","2","6","1","2","1","1") = "5"
    & skf18("3","2","6","1","2","2","1") = "5"
    & skf18("3","2","6","1","2","3","1") = "5"
    & skf18("3","2","6","1","2","4","1") = "5"
    & skf18("3","2","6","1","2","5","1") = "5"
    & skf18("3","2","6","1","2","6","1") = "5"
    & skf18("3","2","6","1","2","7","1") = "6"
    & skf18("3","2","6","1","2","8","1") = "7"
    & skf18("3","2","6","1","2","9","1") = "8"
    & skf18("3","2","6","1","2","10","1") = "9"
    & skf18("3","2","6","1","3","1","1") = "5"
    & skf18("3","2","6","1","3","2","1") = "5"
    & skf18("3","2","6","1","3","3","1") = "5"
    & skf18("3","2","6","1","3","4","1") = "5"
    & skf18("3","2","6","1","3","5","1") = "5"
    & skf18("3","2","6","1","3","6","1") = "5"
    & skf18("3","2","6","1","3","7","1") = "6"
    & skf18("3","2","6","1","3","8","1") = "7"
    & skf18("3","2","6","1","3","9","1") = "8"
    & skf18("3","2","6","1","3","10","1") = "9"
    & skf18("3","2","6","1","4","1","1") = "5"
    & skf18("3","2","6","1","4","2","1") = "5"
    & skf18("3","2","6","1","4","3","1") = "5"
    & skf18("3","2","6","1","4","4","1") = "5"
    & skf18("3","2","6","1","4","5","1") = "5"
    & skf18("3","2","6","1","4","6","1") = "5"
    & skf18("3","2","6","1","4","7","1") = "6"
    & skf18("3","2","6","1","4","8","1") = "7"
    & skf18("3","2","6","1","4","9","1") = "8"
    & skf18("3","2","6","1","4","10","1") = "9"
    & skf18("3","2","6","1","5","1","1") = "5"
    & skf18("3","2","6","1","5","2","1") = "5"
    & skf18("3","2","6","1","5","3","1") = "5"
    & skf18("3","2","6","1","5","4","1") = "5"
    & skf18("3","2","6","1","5","5","1") = "5"
    & skf18("3","2","6","1","5","6","1") = "5"
    & skf18("3","2","6","1","5","7","1") = "6"
    & skf18("3","2","6","1","5","8","1") = "7"
    & skf18("3","2","6","1","5","9","1") = "8"
    & skf18("3","2","6","1","5","10","1") = "9"
    & skf18("3","2","6","1","6","1","1") = "5"
    & skf18("3","2","6","1","6","2","1") = "5"
    & skf18("3","2","6","1","6","3","1") = "5"
    & skf18("3","2","6","1","6","4","1") = "5"
    & skf18("3","2","6","1","6","5","1") = "5"
    & skf18("3","2","6","1","6","6","1") = "5"
    & skf18("3","2","6","1","6","7","1") = "6"
    & skf18("3","2","6","1","6","8","1") = "7"
    & skf18("3","2","6","1","6","9","1") = "8"
    & skf18("3","2","6","1","6","10","1") = "9"
    & skf18("3","2","6","1","7","1","1") = "6"
    & skf18("3","2","6","1","7","2","1") = "6"
    & skf18("3","2","6","1","7","3","1") = "6"
    & skf18("3","2","6","1","7","4","1") = "6"
    & skf18("3","2","6","1","7","5","1") = "6"
    & skf18("3","2","6","1","7","6","1") = "6"
    & skf18("3","2","6","1","7","7","1") = "6"
    & skf18("3","2","6","1","7","8","1") = "7"
    & skf18("3","2","6","1","7","9","1") = "8"
    & skf18("3","2","6","1","7","10","1") = "9"
    & skf18("3","2","6","1","8","1","1") = "7"
    & skf18("3","2","6","1","8","2","1") = "7"
    & skf18("3","2","6","1","8","3","1") = "7"
    & skf18("3","2","6","1","8","4","1") = "7"
    & skf18("3","2","6","1","8","5","1") = "7"
    & skf18("3","2","6","1","8","6","1") = "7"
    & skf18("3","2","6","1","8","7","1") = "7"
    & skf18("3","2","6","1","8","8","1") = "7"
    & skf18("3","2","6","1","8","9","1") = "8"
    & skf18("3","2","6","1","8","10","1") = "9"
    & skf18("3","2","6","1","9","1","1") = "8"
    & skf18("3","2","6","1","9","2","1") = "8"
    & skf18("3","2","6","1","9","3","1") = "8"
    & skf18("3","2","6","1","9","4","1") = "8"
    & skf18("3","2","6","1","9","5","1") = "8"
    & skf18("3","2","6","1","9","6","1") = "8"
    & skf18("3","2","6","1","9","7","1") = "8"
    & skf18("3","2","6","1","9","8","1") = "8"
    & skf18("3","2","6","1","9","9","1") = "8"
    & skf18("3","2","6","1","9","10","1") = "9"
    & skf18("3","2","6","1","10","1","1") = "9"
    & skf18("3","2","6","1","10","2","1") = "9"
    & skf18("3","2","6","1","10","3","1") = "9"
    & skf18("3","2","6","1","10","4","1") = "9"
    & skf18("3","2","6","1","10","5","1") = "9"
    & skf18("3","2","6","1","10","6","1") = "9"
    & skf18("3","2","6","1","10","7","1") = "9"
    & skf18("3","2","6","1","10","8","1") = "9"
    & skf18("3","2","6","1","10","9","1") = "9"
    & skf18("3","2","6","1","10","10","1") = "9"
    & skf18("3","2","6","2","1","1","1") = "5"
    & skf18("3","2","6","2","1","2","1") = "5"
    & skf18("3","2","6","2","1","3","1") = "5"
    & skf18("3","2","6","2","1","4","1") = "5"
    & skf18("3","2","6","2","1","5","1") = "5"
    & skf18("3","2","6","2","1","6","1") = "5"
    & skf18("3","2","6","2","1","7","1") = "6"
    & skf18("3","2","6","2","1","8","1") = "7"
    & skf18("3","2","6","2","1","9","1") = "8"
    & skf18("3","2","6","2","1","10","1") = "9"
    & skf18("3","2","6","2","2","1","1") = "5"
    & skf18("3","2","6","2","2","2","1") = "5"
    & skf18("3","2","6","2","2","3","1") = "5"
    & skf18("3","2","6","2","2","4","1") = "5"
    & skf18("3","2","6","2","2","5","1") = "5"
    & skf18("3","2","6","2","2","6","1") = "5"
    & skf18("3","2","6","2","2","7","1") = "6"
    & skf18("3","2","6","2","2","8","1") = "7"
    & skf18("3","2","6","2","2","9","1") = "8"
    & skf18("3","2","6","2","2","10","1") = "9"
    & skf18("3","2","6","2","3","1","1") = "5"
    & skf18("3","2","6","2","3","2","1") = "5"
    & skf18("3","2","6","2","3","3","1") = "5"
    & skf18("3","2","6","2","3","4","1") = "5"
    & skf18("3","2","6","2","3","5","1") = "5"
    & skf18("3","2","6","2","3","6","1") = "5"
    & skf18("3","2","6","2","3","7","1") = "6"
    & skf18("3","2","6","2","3","8","1") = "7"
    & skf18("3","2","6","2","3","9","1") = "8"
    & skf18("3","2","6","2","3","10","1") = "9"
    & skf18("3","2","6","2","4","1","1") = "5"
    & skf18("3","2","6","2","4","2","1") = "5"
    & skf18("3","2","6","2","4","3","1") = "5"
    & skf18("3","2","6","2","4","4","1") = "5"
    & skf18("3","2","6","2","4","5","1") = "5"
    & skf18("3","2","6","2","4","6","1") = "5"
    & skf18("3","2","6","2","4","7","1") = "6"
    & skf18("3","2","6","2","4","8","1") = "7"
    & skf18("3","2","6","2","4","9","1") = "8"
    & skf18("3","2","6","2","4","10","1") = "9"
    & skf18("3","2","6","2","5","1","1") = "5"
    & skf18("3","2","6","2","5","2","1") = "5"
    & skf18("3","2","6","2","5","3","1") = "5"
    & skf18("3","2","6","2","5","4","1") = "5"
    & skf18("3","2","6","2","5","5","1") = "5"
    & skf18("3","2","6","2","5","6","1") = "5"
    & skf18("3","2","6","2","5","7","1") = "6"
    & skf18("3","2","6","2","5","8","1") = "7"
    & skf18("3","2","6","2","5","9","1") = "8"
    & skf18("3","2","6","2","5","10","1") = "9"
    & skf18("3","2","6","2","6","1","1") = "5"
    & skf18("3","2","6","2","6","2","1") = "5"
    & skf18("3","2","6","2","6","3","1") = "5"
    & skf18("3","2","6","2","6","4","1") = "5"
    & skf18("3","2","6","2","6","5","1") = "5"
    & skf18("3","2","6","2","6","6","1") = "5"
    & skf18("3","2","6","2","6","7","1") = "6"
    & skf18("3","2","6","2","6","8","1") = "7"
    & skf18("3","2","6","2","6","9","1") = "8"
    & skf18("3","2","6","2","6","10","1") = "9"
    & skf18("3","2","6","2","7","1","1") = "6"
    & skf18("3","2","6","2","7","2","1") = "6"
    & skf18("3","2","6","2","7","3","1") = "6"
    & skf18("3","2","6","2","7","4","1") = "6"
    & skf18("3","2","6","2","7","5","1") = "6"
    & skf18("3","2","6","2","7","6","1") = "6"
    & skf18("3","2","6","2","7","7","1") = "6"
    & skf18("3","2","6","2","7","8","1") = "7"
    & skf18("3","2","6","2","7","9","1") = "8"
    & skf18("3","2","6","2","7","10","1") = "9"
    & skf18("3","2","6","2","8","1","1") = "7"
    & skf18("3","2","6","2","8","2","1") = "7"
    & skf18("3","2","6","2","8","3","1") = "7"
    & skf18("3","2","6","2","8","4","1") = "7"
    & skf18("3","2","6","2","8","5","1") = "7"
    & skf18("3","2","6","2","8","6","1") = "7"
    & skf18("3","2","6","2","8","7","1") = "7"
    & skf18("3","2","6","2","8","8","1") = "7"
    & skf18("3","2","6","2","8","9","1") = "8"
    & skf18("3","2","6","2","8","10","1") = "9"
    & skf18("3","2","6","2","9","1","1") = "8"
    & skf18("3","2","6","2","9","2","1") = "8"
    & skf18("3","2","6","2","9","3","1") = "8"
    & skf18("3","2","6","2","9","4","1") = "8"
    & skf18("3","2","6","2","9","5","1") = "8"
    & skf18("3","2","6","2","9","6","1") = "8"
    & skf18("3","2","6","2","9","7","1") = "8"
    & skf18("3","2","6","2","9","8","1") = "8"
    & skf18("3","2","6","2","9","9","1") = "8"
    & skf18("3","2","6","2","9","10","1") = "9"
    & skf18("3","2","6","2","10","1","1") = "9"
    & skf18("3","2","6","2","10","2","1") = "9"
    & skf18("3","2","6","2","10","3","1") = "9"
    & skf18("3","2","6","2","10","4","1") = "9"
    & skf18("3","2","6","2","10","5","1") = "9"
    & skf18("3","2","6","2","10","6","1") = "9"
    & skf18("3","2","6","2","10","7","1") = "9"
    & skf18("3","2","6","2","10","8","1") = "9"
    & skf18("3","2","6","2","10","9","1") = "9"
    & skf18("3","2","6","2","10","10","1") = "9"
    & skf18("3","2","6","3","1","1","1") = "5"
    & skf18("3","2","6","3","1","2","1") = "5"
    & skf18("3","2","6","3","1","3","1") = "5"
    & skf18("3","2","6","3","1","4","1") = "5"
    & skf18("3","2","6","3","1","5","1") = "5"
    & skf18("3","2","6","3","1","6","1") = "5"
    & skf18("3","2","6","3","1","7","1") = "6"
    & skf18("3","2","6","3","1","8","1") = "7"
    & skf18("3","2","6","3","1","9","1") = "8"
    & skf18("3","2","6","3","1","10","1") = "9"
    & skf18("3","2","6","3","2","1","1") = "5"
    & skf18("3","2","6","3","2","2","1") = "5"
    & skf18("3","2","6","3","2","3","1") = "5"
    & skf18("3","2","6","3","2","4","1") = "5"
    & skf18("3","2","6","3","2","5","1") = "5"
    & skf18("3","2","6","3","2","6","1") = "5"
    & skf18("3","2","6","3","2","7","1") = "6"
    & skf18("3","2","6","3","2","8","1") = "7"
    & skf18("3","2","6","3","2","9","1") = "8"
    & skf18("3","2","6","3","2","10","1") = "9"
    & skf18("3","2","6","3","3","1","1") = "5"
    & skf18("3","2","6","3","3","2","1") = "5"
    & skf18("3","2","6","3","3","3","1") = "5"
    & skf18("3","2","6","3","3","4","1") = "5"
    & skf18("3","2","6","3","3","5","1") = "5"
    & skf18("3","2","6","3","3","6","1") = "5"
    & skf18("3","2","6","3","3","7","1") = "6"
    & skf18("3","2","6","3","3","8","1") = "7"
    & skf18("3","2","6","3","3","9","1") = "8"
    & skf18("3","2","6","3","3","10","1") = "9"
    & skf18("3","2","6","3","4","1","1") = "5"
    & skf18("3","2","6","3","4","2","1") = "5"
    & skf18("3","2","6","3","4","3","1") = "5"
    & skf18("3","2","6","3","4","4","1") = "5"
    & skf18("3","2","6","3","4","5","1") = "5"
    & skf18("3","2","6","3","4","6","1") = "5"
    & skf18("3","2","6","3","4","7","1") = "6"
    & skf18("3","2","6","3","4","8","1") = "7"
    & skf18("3","2","6","3","4","9","1") = "8"
    & skf18("3","2","6","3","4","10","1") = "9"
    & skf18("3","2","6","3","5","1","1") = "5"
    & skf18("3","2","6","3","5","2","1") = "5"
    & skf18("3","2","6","3","5","3","1") = "5"
    & skf18("3","2","6","3","5","4","1") = "5"
    & skf18("3","2","6","3","5","5","1") = "5"
    & skf18("3","2","6","3","5","6","1") = "5"
    & skf18("3","2","6","3","5","7","1") = "6"
    & skf18("3","2","6","3","5","8","1") = "7"
    & skf18("3","2","6","3","5","9","1") = "8"
    & skf18("3","2","6","3","5","10","1") = "9"
    & skf18("3","2","6","3","6","1","1") = "5"
    & skf18("3","2","6","3","6","2","1") = "5"
    & skf18("3","2","6","3","6","3","1") = "5"
    & skf18("3","2","6","3","6","4","1") = "5"
    & skf18("3","2","6","3","6","5","1") = "5"
    & skf18("3","2","6","3","6","6","1") = "5"
    & skf18("3","2","6","3","6","7","1") = "6"
    & skf18("3","2","6","3","6","8","1") = "7"
    & skf18("3","2","6","3","6","9","1") = "8"
    & skf18("3","2","6","3","6","10","1") = "9"
    & skf18("3","2","6","3","7","1","1") = "6"
    & skf18("3","2","6","3","7","2","1") = "6"
    & skf18("3","2","6","3","7","3","1") = "6"
    & skf18("3","2","6","3","7","4","1") = "6"
    & skf18("3","2","6","3","7","5","1") = "6"
    & skf18("3","2","6","3","7","6","1") = "6"
    & skf18("3","2","6","3","7","7","1") = "6"
    & skf18("3","2","6","3","7","8","1") = "7"
    & skf18("3","2","6","3","7","9","1") = "8"
    & skf18("3","2","6","3","7","10","1") = "9"
    & skf18("3","2","6","3","8","1","1") = "7"
    & skf18("3","2","6","3","8","2","1") = "7"
    & skf18("3","2","6","3","8","3","1") = "7"
    & skf18("3","2","6","3","8","4","1") = "7"
    & skf18("3","2","6","3","8","5","1") = "7"
    & skf18("3","2","6","3","8","6","1") = "7"
    & skf18("3","2","6","3","8","7","1") = "7"
    & skf18("3","2","6","3","8","8","1") = "7"
    & skf18("3","2","6","3","8","9","1") = "8"
    & skf18("3","2","6","3","8","10","1") = "9"
    & skf18("3","2","6","3","9","1","1") = "8"
    & skf18("3","2","6","3","9","2","1") = "8"
    & skf18("3","2","6","3","9","3","1") = "8"
    & skf18("3","2","6","3","9","4","1") = "8"
    & skf18("3","2","6","3","9","5","1") = "8"
    & skf18("3","2","6","3","9","6","1") = "8"
    & skf18("3","2","6","3","9","7","1") = "8"
    & skf18("3","2","6","3","9","8","1") = "8"
    & skf18("3","2","6","3","9","9","1") = "8"
    & skf18("3","2","6","3","9","10","1") = "9"
    & skf18("3","2","6","3","10","1","1") = "9"
    & skf18("3","2","6","3","10","2","1") = "9"
    & skf18("3","2","6","3","10","3","1") = "9"
    & skf18("3","2","6","3","10","4","1") = "9"
    & skf18("3","2","6","3","10","5","1") = "9"
    & skf18("3","2","6","3","10","6","1") = "9"
    & skf18("3","2","6","3","10","7","1") = "9"
    & skf18("3","2","6","3","10","8","1") = "9"
    & skf18("3","2","6","3","10","9","1") = "9"
    & skf18("3","2","6","3","10","10","1") = "9"
    & skf18("3","2","6","4","1","1","1") = "5"
    & skf18("3","2","6","4","1","2","1") = "5"
    & skf18("3","2","6","4","1","3","1") = "5"
    & skf18("3","2","6","4","1","4","1") = "5"
    & skf18("3","2","6","4","1","5","1") = "5"
    & skf18("3","2","6","4","1","6","1") = "5"
    & skf18("3","2","6","4","1","7","1") = "6"
    & skf18("3","2","6","4","1","8","1") = "7"
    & skf18("3","2","6","4","1","9","1") = "8"
    & skf18("3","2","6","4","1","10","1") = "9"
    & skf18("3","2","6","4","2","1","1") = "5"
    & skf18("3","2","6","4","2","2","1") = "5"
    & skf18("3","2","6","4","2","3","1") = "5"
    & skf18("3","2","6","4","2","4","1") = "5"
    & skf18("3","2","6","4","2","5","1") = "5"
    & skf18("3","2","6","4","2","6","1") = "5"
    & skf18("3","2","6","4","2","7","1") = "6"
    & skf18("3","2","6","4","2","8","1") = "7"
    & skf18("3","2","6","4","2","9","1") = "8"
    & skf18("3","2","6","4","2","10","1") = "9"
    & skf18("3","2","6","4","3","1","1") = "5"
    & skf18("3","2","6","4","3","2","1") = "5"
    & skf18("3","2","6","4","3","3","1") = "5"
    & skf18("3","2","6","4","3","4","1") = "5"
    & skf18("3","2","6","4","3","5","1") = "5"
    & skf18("3","2","6","4","3","6","1") = "5"
    & skf18("3","2","6","4","3","7","1") = "6"
    & skf18("3","2","6","4","3","8","1") = "7"
    & skf18("3","2","6","4","3","9","1") = "8"
    & skf18("3","2","6","4","3","10","1") = "9"
    & skf18("3","2","6","4","4","1","1") = "5"
    & skf18("3","2","6","4","4","2","1") = "5"
    & skf18("3","2","6","4","4","3","1") = "5"
    & skf18("3","2","6","4","4","4","1") = "5"
    & skf18("3","2","6","4","4","5","1") = "5"
    & skf18("3","2","6","4","4","6","1") = "5"
    & skf18("3","2","6","4","4","7","1") = "6"
    & skf18("3","2","6","4","4","8","1") = "7"
    & skf18("3","2","6","4","4","9","1") = "8"
    & skf18("3","2","6","4","4","10","1") = "9"
    & skf18("3","2","6","4","5","1","1") = "5"
    & skf18("3","2","6","4","5","2","1") = "5"
    & skf18("3","2","6","4","5","3","1") = "5"
    & skf18("3","2","6","4","5","4","1") = "5"
    & skf18("3","2","6","4","5","5","1") = "5"
    & skf18("3","2","6","4","5","6","1") = "5"
    & skf18("3","2","6","4","5","7","1") = "6"
    & skf18("3","2","6","4","5","8","1") = "7"
    & skf18("3","2","6","4","5","9","1") = "8"
    & skf18("3","2","6","4","5","10","1") = "9"
    & skf18("3","2","6","4","6","1","1") = "5"
    & skf18("3","2","6","4","6","2","1") = "5"
    & skf18("3","2","6","4","6","3","1") = "5"
    & skf18("3","2","6","4","6","4","1") = "5"
    & skf18("3","2","6","4","6","5","1") = "5"
    & skf18("3","2","6","4","6","6","1") = "5"
    & skf18("3","2","6","4","6","7","1") = "6"
    & skf18("3","2","6","4","6","8","1") = "7"
    & skf18("3","2","6","4","6","9","1") = "8"
    & skf18("3","2","6","4","6","10","1") = "9"
    & skf18("3","2","6","4","7","1","1") = "6"
    & skf18("3","2","6","4","7","2","1") = "6"
    & skf18("3","2","6","4","7","3","1") = "6"
    & skf18("3","2","6","4","7","4","1") = "6"
    & skf18("3","2","6","4","7","5","1") = "6"
    & skf18("3","2","6","4","7","6","1") = "6"
    & skf18("3","2","6","4","7","7","1") = "6"
    & skf18("3","2","6","4","7","8","1") = "7"
    & skf18("3","2","6","4","7","9","1") = "8"
    & skf18("3","2","6","4","7","10","1") = "9"
    & skf18("3","2","6","4","8","1","1") = "7"
    & skf18("3","2","6","4","8","2","1") = "7"
    & skf18("3","2","6","4","8","3","1") = "7"
    & skf18("3","2","6","4","8","4","1") = "7"
    & skf18("3","2","6","4","8","5","1") = "7"
    & skf18("3","2","6","4","8","6","1") = "7"
    & skf18("3","2","6","4","8","7","1") = "7"
    & skf18("3","2","6","4","8","8","1") = "7"
    & skf18("3","2","6","4","8","9","1") = "8"
    & skf18("3","2","6","4","8","10","1") = "9"
    & skf18("3","2","6","4","9","1","1") = "8"
    & skf18("3","2","6","4","9","2","1") = "8"
    & skf18("3","2","6","4","9","3","1") = "8"
    & skf18("3","2","6","4","9","4","1") = "8"
    & skf18("3","2","6","4","9","5","1") = "8"
    & skf18("3","2","6","4","9","6","1") = "8"
    & skf18("3","2","6","4","9","7","1") = "8"
    & skf18("3","2","6","4","9","8","1") = "8"
    & skf18("3","2","6","4","9","9","1") = "8"
    & skf18("3","2","6","4","9","10","1") = "9"
    & skf18("3","2","6","4","10","1","1") = "9"
    & skf18("3","2","6","4","10","2","1") = "9"
    & skf18("3","2","6","4","10","3","1") = "9"
    & skf18("3","2","6","4","10","4","1") = "9"
    & skf18("3","2","6","4","10","5","1") = "9"
    & skf18("3","2","6","4","10","6","1") = "9"
    & skf18("3","2","6","4","10","7","1") = "9"
    & skf18("3","2","6","4","10","8","1") = "9"
    & skf18("3","2","6","4","10","9","1") = "9"
    & skf18("3","2","6","4","10","10","1") = "9"
    & skf18("3","2","6","5","1","1","1") = "5"
    & skf18("3","2","6","5","1","2","1") = "5"
    & skf18("3","2","6","5","1","3","1") = "5"
    & skf18("3","2","6","5","1","4","1") = "5"
    & skf18("3","2","6","5","1","5","1") = "5"
    & skf18("3","2","6","5","1","6","1") = "5"
    & skf18("3","2","6","5","1","7","1") = "6"
    & skf18("3","2","6","5","1","8","1") = "7"
    & skf18("3","2","6","5","1","9","1") = "8"
    & skf18("3","2","6","5","1","10","1") = "9"
    & skf18("3","2","6","5","2","1","1") = "5"
    & skf18("3","2","6","5","2","2","1") = "5"
    & skf18("3","2","6","5","2","3","1") = "5"
    & skf18("3","2","6","5","2","4","1") = "5"
    & skf18("3","2","6","5","2","5","1") = "5"
    & skf18("3","2","6","5","2","6","1") = "5"
    & skf18("3","2","6","5","2","7","1") = "6"
    & skf18("3","2","6","5","2","8","1") = "7"
    & skf18("3","2","6","5","2","9","1") = "8"
    & skf18("3","2","6","5","2","10","1") = "9"
    & skf18("3","2","6","5","3","1","1") = "5"
    & skf18("3","2","6","5","3","2","1") = "5"
    & skf18("3","2","6","5","3","3","1") = "5"
    & skf18("3","2","6","5","3","4","1") = "5"
    & skf18("3","2","6","5","3","5","1") = "5"
    & skf18("3","2","6","5","3","6","1") = "5"
    & skf18("3","2","6","5","3","7","1") = "6"
    & skf18("3","2","6","5","3","8","1") = "7"
    & skf18("3","2","6","5","3","9","1") = "8"
    & skf18("3","2","6","5","3","10","1") = "9"
    & skf18("3","2","6","5","4","1","1") = "5"
    & skf18("3","2","6","5","4","2","1") = "5"
    & skf18("3","2","6","5","4","3","1") = "5"
    & skf18("3","2","6","5","4","4","1") = "5"
    & skf18("3","2","6","5","4","5","1") = "5"
    & skf18("3","2","6","5","4","6","1") = "5"
    & skf18("3","2","6","5","4","7","1") = "6"
    & skf18("3","2","6","5","4","8","1") = "7"
    & skf18("3","2","6","5","4","9","1") = "8"
    & skf18("3","2","6","5","4","10","1") = "9"
    & skf18("3","2","6","5","5","1","1") = "5"
    & skf18("3","2","6","5","5","2","1") = "5"
    & skf18("3","2","6","5","5","3","1") = "5"
    & skf18("3","2","6","5","5","4","1") = "5"
    & skf18("3","2","6","5","5","5","1") = "5"
    & skf18("3","2","6","5","5","6","1") = "5"
    & skf18("3","2","6","5","5","7","1") = "6"
    & skf18("3","2","6","5","5","8","1") = "7"
    & skf18("3","2","6","5","5","9","1") = "8"
    & skf18("3","2","6","5","5","10","1") = "9"
    & skf18("3","2","6","5","6","1","1") = "5"
    & skf18("3","2","6","5","6","2","1") = "5"
    & skf18("3","2","6","5","6","3","1") = "5"
    & skf18("3","2","6","5","6","4","1") = "5"
    & skf18("3","2","6","5","6","5","1") = "5"
    & skf18("3","2","6","5","6","6","1") = "5"
    & skf18("3","2","6","5","6","7","1") = "6"
    & skf18("3","2","6","5","6","8","1") = "7"
    & skf18("3","2","6","5","6","9","1") = "8"
    & skf18("3","2","6","5","6","10","1") = "9"
    & skf18("3","2","6","5","7","1","1") = "6"
    & skf18("3","2","6","5","7","2","1") = "6"
    & skf18("3","2","6","5","7","3","1") = "6"
    & skf18("3","2","6","5","7","4","1") = "6"
    & skf18("3","2","6","5","7","5","1") = "6"
    & skf18("3","2","6","5","7","6","1") = "6"
    & skf18("3","2","6","5","7","7","1") = "6"
    & skf18("3","2","6","5","7","8","1") = "7"
    & skf18("3","2","6","5","7","9","1") = "8"
    & skf18("3","2","6","5","7","10","1") = "9"
    & skf18("3","2","6","5","8","1","1") = "7"
    & skf18("3","2","6","5","8","2","1") = "7"
    & skf18("3","2","6","5","8","3","1") = "7"
    & skf18("3","2","6","5","8","4","1") = "7"
    & skf18("3","2","6","5","8","5","1") = "7"
    & skf18("3","2","6","5","8","6","1") = "7"
    & skf18("3","2","6","5","8","7","1") = "7"
    & skf18("3","2","6","5","8","8","1") = "7"
    & skf18("3","2","6","5","8","9","1") = "8"
    & skf18("3","2","6","5","8","10","1") = "9"
    & skf18("3","2","6","5","9","1","1") = "8"
    & skf18("3","2","6","5","9","2","1") = "8"
    & skf18("3","2","6","5","9","3","1") = "8"
    & skf18("3","2","6","5","9","4","1") = "8"
    & skf18("3","2","6","5","9","5","1") = "8"
    & skf18("3","2","6","5","9","6","1") = "8"
    & skf18("3","2","6","5","9","7","1") = "8"
    & skf18("3","2","6","5","9","8","1") = "8"
    & skf18("3","2","6","5","9","9","1") = "8"
    & skf18("3","2","6","5","9","10","1") = "9"
    & skf18("3","2","6","5","10","1","1") = "9"
    & skf18("3","2","6","5","10","2","1") = "9"
    & skf18("3","2","6","5","10","3","1") = "9"
    & skf18("3","2","6","5","10","4","1") = "9"
    & skf18("3","2","6","5","10","5","1") = "9"
    & skf18("3","2","6","5","10","6","1") = "9"
    & skf18("3","2","6","5","10","7","1") = "9"
    & skf18("3","2","6","5","10","8","1") = "9"
    & skf18("3","2","6","5","10","9","1") = "9"
    & skf18("3","2","6","5","10","10","1") = "9"
    & skf18("3","2","6","6","1","1","1") = "5"
    & skf18("3","2","6","6","1","2","1") = "5"
    & skf18("3","2","6","6","1","3","1") = "5"
    & skf18("3","2","6","6","1","4","1") = "5"
    & skf18("3","2","6","6","1","5","1") = "5"
    & skf18("3","2","6","6","1","6","1") = "5"
    & skf18("3","2","6","6","1","7","1") = "6"
    & skf18("3","2","6","6","1","8","1") = "7"
    & skf18("3","2","6","6","1","9","1") = "8"
    & skf18("3","2","6","6","1","10","1") = "9"
    & skf18("3","2","6","6","2","1","1") = "5"
    & skf18("3","2","6","6","2","2","1") = "5"
    & skf18("3","2","6","6","2","3","1") = "5"
    & skf18("3","2","6","6","2","4","1") = "5"
    & skf18("3","2","6","6","2","5","1") = "5"
    & skf18("3","2","6","6","2","6","1") = "5"
    & skf18("3","2","6","6","2","7","1") = "6"
    & skf18("3","2","6","6","2","8","1") = "7"
    & skf18("3","2","6","6","2","9","1") = "8"
    & skf18("3","2","6","6","2","10","1") = "9"
    & skf18("3","2","6","6","3","1","1") = "5"
    & skf18("3","2","6","6","3","2","1") = "5"
    & skf18("3","2","6","6","3","3","1") = "5"
    & skf18("3","2","6","6","3","4","1") = "5"
    & skf18("3","2","6","6","3","5","1") = "5"
    & skf18("3","2","6","6","3","6","1") = "5"
    & skf18("3","2","6","6","3","7","1") = "6"
    & skf18("3","2","6","6","3","8","1") = "7"
    & skf18("3","2","6","6","3","9","1") = "8"
    & skf18("3","2","6","6","3","10","1") = "9"
    & skf18("3","2","6","6","4","1","1") = "5"
    & skf18("3","2","6","6","4","2","1") = "5"
    & skf18("3","2","6","6","4","3","1") = "5"
    & skf18("3","2","6","6","4","4","1") = "5"
    & skf18("3","2","6","6","4","5","1") = "5"
    & skf18("3","2","6","6","4","6","1") = "5"
    & skf18("3","2","6","6","4","7","1") = "6"
    & skf18("3","2","6","6","4","8","1") = "7"
    & skf18("3","2","6","6","4","9","1") = "8"
    & skf18("3","2","6","6","4","10","1") = "9"
    & skf18("3","2","6","6","5","1","1") = "5"
    & skf18("3","2","6","6","5","2","1") = "5"
    & skf18("3","2","6","6","5","3","1") = "5"
    & skf18("3","2","6","6","5","4","1") = "5"
    & skf18("3","2","6","6","5","5","1") = "5"
    & skf18("3","2","6","6","5","6","1") = "5"
    & skf18("3","2","6","6","5","7","1") = "6"
    & skf18("3","2","6","6","5","8","1") = "7"
    & skf18("3","2","6","6","5","9","1") = "8"
    & skf18("3","2","6","6","5","10","1") = "9"
    & skf18("3","2","6","6","6","1","1") = "5"
    & skf18("3","2","6","6","6","2","1") = "5"
    & skf18("3","2","6","6","6","3","1") = "5"
    & skf18("3","2","6","6","6","4","1") = "5"
    & skf18("3","2","6","6","6","5","1") = "5"
    & skf18("3","2","6","6","6","6","1") = "5"
    & skf18("3","2","6","6","6","7","1") = "6"
    & skf18("3","2","6","6","6","8","1") = "7"
    & skf18("3","2","6","6","6","9","1") = "8"
    & skf18("3","2","6","6","6","10","1") = "9"
    & skf18("3","2","6","6","7","1","1") = "6"
    & skf18("3","2","6","6","7","2","1") = "6"
    & skf18("3","2","6","6","7","3","1") = "6"
    & skf18("3","2","6","6","7","4","1") = "6"
    & skf18("3","2","6","6","7","5","1") = "6"
    & skf18("3","2","6","6","7","6","1") = "6"
    & skf18("3","2","6","6","7","7","1") = "6"
    & skf18("3","2","6","6","7","8","1") = "7"
    & skf18("3","2","6","6","7","9","1") = "8"
    & skf18("3","2","6","6","7","10","1") = "9"
    & skf18("3","2","6","6","8","1","1") = "7"
    & skf18("3","2","6","6","8","2","1") = "7"
    & skf18("3","2","6","6","8","3","1") = "7"
    & skf18("3","2","6","6","8","4","1") = "7"
    & skf18("3","2","6","6","8","5","1") = "7"
    & skf18("3","2","6","6","8","6","1") = "7"
    & skf18("3","2","6","6","8","7","1") = "7"
    & skf18("3","2","6","6","8","8","1") = "7"
    & skf18("3","2","6","6","8","9","1") = "8"
    & skf18("3","2","6","6","8","10","1") = "9"
    & skf18("3","2","6","6","9","1","1") = "8"
    & skf18("3","2","6","6","9","2","1") = "8"
    & skf18("3","2","6","6","9","3","1") = "8"
    & skf18("3","2","6","6","9","4","1") = "8"
    & skf18("3","2","6","6","9","5","1") = "8"
    & skf18("3","2","6","6","9","6","1") = "8"
    & skf18("3","2","6","6","9","7","1") = "8"
    & skf18("3","2","6","6","9","8","1") = "8"
    & skf18("3","2","6","6","9","9","1") = "8"
    & skf18("3","2","6","6","9","10","1") = "9"
    & skf18("3","2","6","6","10","1","1") = "9"
    & skf18("3","2","6","6","10","2","1") = "9"
    & skf18("3","2","6","6","10","3","1") = "9"
    & skf18("3","2","6","6","10","4","1") = "9"
    & skf18("3","2","6","6","10","5","1") = "9"
    & skf18("3","2","6","6","10","6","1") = "9"
    & skf18("3","2","6","6","10","7","1") = "9"
    & skf18("3","2","6","6","10","8","1") = "9"
    & skf18("3","2","6","6","10","9","1") = "9"
    & skf18("3","2","6","6","10","10","1") = "9"
    & skf18("3","2","6","7","1","1","1") = "6"
    & skf18("3","2","6","7","1","2","1") = "6"
    & skf18("3","2","6","7","1","3","1") = "6"
    & skf18("3","2","6","7","1","4","1") = "6"
    & skf18("3","2","6","7","1","5","1") = "6"
    & skf18("3","2","6","7","1","6","1") = "6"
    & skf18("3","2","6","7","1","7","1") = "6"
    & skf18("3","2","6","7","1","8","1") = "7"
    & skf18("3","2","6","7","1","9","1") = "8"
    & skf18("3","2","6","7","1","10","1") = "9"
    & skf18("3","2","6","7","2","1","1") = "6"
    & skf18("3","2","6","7","2","2","1") = "6"
    & skf18("3","2","6","7","2","3","1") = "6"
    & skf18("3","2","6","7","2","4","1") = "6"
    & skf18("3","2","6","7","2","5","1") = "6"
    & skf18("3","2","6","7","2","6","1") = "6"
    & skf18("3","2","6","7","2","7","1") = "6"
    & skf18("3","2","6","7","2","8","1") = "7"
    & skf18("3","2","6","7","2","9","1") = "8"
    & skf18("3","2","6","7","2","10","1") = "9"
    & skf18("3","2","6","7","3","1","1") = "6"
    & skf18("3","2","6","7","3","2","1") = "6"
    & skf18("3","2","6","7","3","3","1") = "6"
    & skf18("3","2","6","7","3","4","1") = "6"
    & skf18("3","2","6","7","3","5","1") = "6"
    & skf18("3","2","6","7","3","6","1") = "6"
    & skf18("3","2","6","7","3","7","1") = "6"
    & skf18("3","2","6","7","3","8","1") = "7"
    & skf18("3","2","6","7","3","9","1") = "8"
    & skf18("3","2","6","7","3","10","1") = "9"
    & skf18("3","2","6","7","4","1","1") = "6"
    & skf18("3","2","6","7","4","2","1") = "6"
    & skf18("3","2","6","7","4","3","1") = "6"
    & skf18("3","2","6","7","4","4","1") = "6"
    & skf18("3","2","6","7","4","5","1") = "6"
    & skf18("3","2","6","7","4","6","1") = "6"
    & skf18("3","2","6","7","4","7","1") = "6"
    & skf18("3","2","6","7","4","8","1") = "7"
    & skf18("3","2","6","7","4","9","1") = "8"
    & skf18("3","2","6","7","4","10","1") = "9"
    & skf18("3","2","6","7","5","1","1") = "6"
    & skf18("3","2","6","7","5","2","1") = "6"
    & skf18("3","2","6","7","5","3","1") = "6"
    & skf18("3","2","6","7","5","4","1") = "6"
    & skf18("3","2","6","7","5","5","1") = "6"
    & skf18("3","2","6","7","5","6","1") = "6"
    & skf18("3","2","6","7","5","7","1") = "6"
    & skf18("3","2","6","7","5","8","1") = "7"
    & skf18("3","2","6","7","5","9","1") = "8"
    & skf18("3","2","6","7","5","10","1") = "9"
    & skf18("3","2","6","7","6","1","1") = "6"
    & skf18("3","2","6","7","6","2","1") = "6"
    & skf18("3","2","6","7","6","3","1") = "6"
    & skf18("3","2","6","7","6","4","1") = "6"
    & skf18("3","2","6","7","6","5","1") = "6"
    & skf18("3","2","6","7","6","6","1") = "6"
    & skf18("3","2","6","7","6","7","1") = "6"
    & skf18("3","2","6","7","6","8","1") = "7"
    & skf18("3","2","6","7","6","9","1") = "8"
    & skf18("3","2","6","7","6","10","1") = "9"
    & skf18("3","2","6","7","7","1","1") = "6"
    & skf18("3","2","6","7","7","2","1") = "6"
    & skf18("3","2","6","7","7","3","1") = "6"
    & skf18("3","2","6","7","7","4","1") = "6"
    & skf18("3","2","6","7","7","5","1") = "6"
    & skf18("3","2","6","7","7","6","1") = "6"
    & skf18("3","2","6","7","7","7","1") = "6"
    & skf18("3","2","6","7","7","8","1") = "7"
    & skf18("3","2","6","7","7","9","1") = "8"
    & skf18("3","2","6","7","7","10","1") = "9"
    & skf18("3","2","6","7","8","1","1") = "7"
    & skf18("3","2","6","7","8","2","1") = "7"
    & skf18("3","2","6","7","8","3","1") = "7"
    & skf18("3","2","6","7","8","4","1") = "7"
    & skf18("3","2","6","7","8","5","1") = "7"
    & skf18("3","2","6","7","8","6","1") = "7"
    & skf18("3","2","6","7","8","7","1") = "7"
    & skf18("3","2","6","7","8","8","1") = "7"
    & skf18("3","2","6","7","8","9","1") = "8"
    & skf18("3","2","6","7","8","10","1") = "9"
    & skf18("3","2","6","7","9","1","1") = "8"
    & skf18("3","2","6","7","9","2","1") = "8"
    & skf18("3","2","6","7","9","3","1") = "8"
    & skf18("3","2","6","7","9","4","1") = "8"
    & skf18("3","2","6","7","9","5","1") = "8"
    & skf18("3","2","6","7","9","6","1") = "8"
    & skf18("3","2","6","7","9","7","1") = "8"
    & skf18("3","2","6","7","9","8","1") = "8"
    & skf18("3","2","6","7","9","9","1") = "8"
    & skf18("3","2","6","7","9","10","1") = "9"
    & skf18("3","2","6","7","10","1","1") = "9"
    & skf18("3","2","6","7","10","2","1") = "9"
    & skf18("3","2","6","7","10","3","1") = "9"
    & skf18("3","2","6","7","10","4","1") = "9"
    & skf18("3","2","6","7","10","5","1") = "9"
    & skf18("3","2","6","7","10","6","1") = "9"
    & skf18("3","2","6","7","10","7","1") = "9"
    & skf18("3","2","6","7","10","8","1") = "9"
    & skf18("3","2","6","7","10","9","1") = "9"
    & skf18("3","2","6","7","10","10","1") = "9"
    & skf18("3","2","6","8","1","1","1") = "7"
    & skf18("3","2","6","8","1","2","1") = "7"
    & skf18("3","2","6","8","1","3","1") = "7"
    & skf18("3","2","6","8","1","4","1") = "7"
    & skf18("3","2","6","8","1","5","1") = "7"
    & skf18("3","2","6","8","1","6","1") = "7"
    & skf18("3","2","6","8","1","7","1") = "7"
    & skf18("3","2","6","8","1","8","1") = "7"
    & skf18("3","2","6","8","1","9","1") = "8"
    & skf18("3","2","6","8","1","10","1") = "9"
    & skf18("3","2","6","8","2","1","1") = "7"
    & skf18("3","2","6","8","2","2","1") = "7"
    & skf18("3","2","6","8","2","3","1") = "7"
    & skf18("3","2","6","8","2","4","1") = "7"
    & skf18("3","2","6","8","2","5","1") = "7"
    & skf18("3","2","6","8","2","6","1") = "7"
    & skf18("3","2","6","8","2","7","1") = "7"
    & skf18("3","2","6","8","2","8","1") = "7"
    & skf18("3","2","6","8","2","9","1") = "8"
    & skf18("3","2","6","8","2","10","1") = "9"
    & skf18("3","2","6","8","3","1","1") = "7"
    & skf18("3","2","6","8","3","2","1") = "7"
    & skf18("3","2","6","8","3","3","1") = "7"
    & skf18("3","2","6","8","3","4","1") = "7"
    & skf18("3","2","6","8","3","5","1") = "7"
    & skf18("3","2","6","8","3","6","1") = "7"
    & skf18("3","2","6","8","3","7","1") = "7"
    & skf18("3","2","6","8","3","8","1") = "7"
    & skf18("3","2","6","8","3","9","1") = "8"
    & skf18("3","2","6","8","3","10","1") = "9"
    & skf18("3","2","6","8","4","1","1") = "7"
    & skf18("3","2","6","8","4","2","1") = "7"
    & skf18("3","2","6","8","4","3","1") = "7"
    & skf18("3","2","6","8","4","4","1") = "7"
    & skf18("3","2","6","8","4","5","1") = "7"
    & skf18("3","2","6","8","4","6","1") = "7"
    & skf18("3","2","6","8","4","7","1") = "7"
    & skf18("3","2","6","8","4","8","1") = "7"
    & skf18("3","2","6","8","4","9","1") = "8"
    & skf18("3","2","6","8","4","10","1") = "9"
    & skf18("3","2","6","8","5","1","1") = "7"
    & skf18("3","2","6","8","5","2","1") = "7"
    & skf18("3","2","6","8","5","3","1") = "7"
    & skf18("3","2","6","8","5","4","1") = "7"
    & skf18("3","2","6","8","5","5","1") = "7"
    & skf18("3","2","6","8","5","6","1") = "7"
    & skf18("3","2","6","8","5","7","1") = "7"
    & skf18("3","2","6","8","5","8","1") = "7"
    & skf18("3","2","6","8","5","9","1") = "8"
    & skf18("3","2","6","8","5","10","1") = "9"
    & skf18("3","2","6","8","6","1","1") = "7"
    & skf18("3","2","6","8","6","2","1") = "7"
    & skf18("3","2","6","8","6","3","1") = "7"
    & skf18("3","2","6","8","6","4","1") = "7"
    & skf18("3","2","6","8","6","5","1") = "7"
    & skf18("3","2","6","8","6","6","1") = "7"
    & skf18("3","2","6","8","6","7","1") = "7"
    & skf18("3","2","6","8","6","8","1") = "7"
    & skf18("3","2","6","8","6","9","1") = "8"
    & skf18("3","2","6","8","6","10","1") = "9"
    & skf18("3","2","6","8","7","1","1") = "7"
    & skf18("3","2","6","8","7","2","1") = "7"
    & skf18("3","2","6","8","7","3","1") = "7"
    & skf18("3","2","6","8","7","4","1") = "7"
    & skf18("3","2","6","8","7","5","1") = "7"
    & skf18("3","2","6","8","7","6","1") = "7"
    & skf18("3","2","6","8","7","7","1") = "7"
    & skf18("3","2","6","8","7","8","1") = "7"
    & skf18("3","2","6","8","7","9","1") = "8"
    & skf18("3","2","6","8","7","10","1") = "9"
    & skf18("3","2","6","8","8","1","1") = "7"
    & skf18("3","2","6","8","8","2","1") = "7"
    & skf18("3","2","6","8","8","3","1") = "7"
    & skf18("3","2","6","8","8","4","1") = "7"
    & skf18("3","2","6","8","8","5","1") = "7"
    & skf18("3","2","6","8","8","6","1") = "7"
    & skf18("3","2","6","8","8","7","1") = "7"
    & skf18("3","2","6","8","8","8","1") = "7"
    & skf18("3","2","6","8","8","9","1") = "8"
    & skf18("3","2","6","8","8","10","1") = "9"
    & skf18("3","2","6","8","9","1","1") = "8"
    & skf18("3","2","6","8","9","2","1") = "8"
    & skf18("3","2","6","8","9","3","1") = "8"
    & skf18("3","2","6","8","9","4","1") = "8"
    & skf18("3","2","6","8","9","5","1") = "8"
    & skf18("3","2","6","8","9","6","1") = "8"
    & skf18("3","2","6","8","9","7","1") = "8"
    & skf18("3","2","6","8","9","8","1") = "8"
    & skf18("3","2","6","8","9","9","1") = "8"
    & skf18("3","2","6","8","9","10","1") = "9"
    & skf18("3","2","6","8","10","1","1") = "9"
    & skf18("3","2","6","8","10","2","1") = "9"
    & skf18("3","2","6","8","10","3","1") = "9"
    & skf18("3","2","6","8","10","4","1") = "9"
    & skf18("3","2","6","8","10","5","1") = "9"
    & skf18("3","2","6","8","10","6","1") = "9"
    & skf18("3","2","6","8","10","7","1") = "9"
    & skf18("3","2","6","8","10","8","1") = "9"
    & skf18("3","2","6","8","10","9","1") = "9"
    & skf18("3","2","6","8","10","10","1") = "9"
    & skf18("3","2","6","9","1","1","1") = "8"
    & skf18("3","2","6","9","1","2","1") = "8"
    & skf18("3","2","6","9","1","3","1") = "8"
    & skf18("3","2","6","9","1","4","1") = "8"
    & skf18("3","2","6","9","1","5","1") = "8"
    & skf18("3","2","6","9","1","6","1") = "8"
    & skf18("3","2","6","9","1","7","1") = "8"
    & skf18("3","2","6","9","1","8","1") = "8"
    & skf18("3","2","6","9","1","9","1") = "8"
    & skf18("3","2","6","9","1","10","1") = "9"
    & skf18("3","2","6","9","2","1","1") = "8"
    & skf18("3","2","6","9","2","2","1") = "8"
    & skf18("3","2","6","9","2","3","1") = "8"
    & skf18("3","2","6","9","2","4","1") = "8"
    & skf18("3","2","6","9","2","5","1") = "8"
    & skf18("3","2","6","9","2","6","1") = "8"
    & skf18("3","2","6","9","2","7","1") = "8"
    & skf18("3","2","6","9","2","8","1") = "8"
    & skf18("3","2","6","9","2","9","1") = "8"
    & skf18("3","2","6","9","2","10","1") = "9"
    & skf18("3","2","6","9","3","1","1") = "8"
    & skf18("3","2","6","9","3","2","1") = "8"
    & skf18("3","2","6","9","3","3","1") = "8"
    & skf18("3","2","6","9","3","4","1") = "8"
    & skf18("3","2","6","9","3","5","1") = "8"
    & skf18("3","2","6","9","3","6","1") = "8"
    & skf18("3","2","6","9","3","7","1") = "8"
    & skf18("3","2","6","9","3","8","1") = "8"
    & skf18("3","2","6","9","3","9","1") = "8"
    & skf18("3","2","6","9","3","10","1") = "9"
    & skf18("3","2","6","9","4","1","1") = "8"
    & skf18("3","2","6","9","4","2","1") = "8"
    & skf18("3","2","6","9","4","3","1") = "8"
    & skf18("3","2","6","9","4","4","1") = "8"
    & skf18("3","2","6","9","4","5","1") = "8"
    & skf18("3","2","6","9","4","6","1") = "8"
    & skf18("3","2","6","9","4","7","1") = "8"
    & skf18("3","2","6","9","4","8","1") = "8"
    & skf18("3","2","6","9","4","9","1") = "8"
    & skf18("3","2","6","9","4","10","1") = "9"
    & skf18("3","2","6","9","5","1","1") = "8"
    & skf18("3","2","6","9","5","2","1") = "8"
    & skf18("3","2","6","9","5","3","1") = "8"
    & skf18("3","2","6","9","5","4","1") = "8"
    & skf18("3","2","6","9","5","5","1") = "8"
    & skf18("3","2","6","9","5","6","1") = "8"
    & skf18("3","2","6","9","5","7","1") = "8"
    & skf18("3","2","6","9","5","8","1") = "8"
    & skf18("3","2","6","9","5","9","1") = "8"
    & skf18("3","2","6","9","5","10","1") = "9"
    & skf18("3","2","6","9","6","1","1") = "8"
    & skf18("3","2","6","9","6","2","1") = "8"
    & skf18("3","2","6","9","6","3","1") = "8"
    & skf18("3","2","6","9","6","4","1") = "8"
    & skf18("3","2","6","9","6","5","1") = "8"
    & skf18("3","2","6","9","6","6","1") = "8"
    & skf18("3","2","6","9","6","7","1") = "8"
    & skf18("3","2","6","9","6","8","1") = "8"
    & skf18("3","2","6","9","6","9","1") = "8"
    & skf18("3","2","6","9","6","10","1") = "9"
    & skf18("3","2","6","9","7","1","1") = "8"
    & skf18("3","2","6","9","7","2","1") = "8"
    & skf18("3","2","6","9","7","3","1") = "8"
    & skf18("3","2","6","9","7","4","1") = "8"
    & skf18("3","2","6","9","7","5","1") = "8"
    & skf18("3","2","6","9","7","6","1") = "8"
    & skf18("3","2","6","9","7","7","1") = "8"
    & skf18("3","2","6","9","7","8","1") = "8"
    & skf18("3","2","6","9","7","9","1") = "8"
    & skf18("3","2","6","9","7","10","1") = "9"
    & skf18("3","2","6","9","8","1","1") = "8"
    & skf18("3","2","6","9","8","2","1") = "8"
    & skf18("3","2","6","9","8","3","1") = "8"
    & skf18("3","2","6","9","8","4","1") = "8"
    & skf18("3","2","6","9","8","5","1") = "8"
    & skf18("3","2","6","9","8","6","1") = "8"
    & skf18("3","2","6","9","8","7","1") = "8"
    & skf18("3","2","6","9","8","8","1") = "8"
    & skf18("3","2","6","9","8","9","1") = "8"
    & skf18("3","2","6","9","8","10","1") = "9"
    & skf18("3","2","6","9","9","1","1") = "8"
    & skf18("3","2","6","9","9","2","1") = "8"
    & skf18("3","2","6","9","9","3","1") = "8"
    & skf18("3","2","6","9","9","4","1") = "8"
    & skf18("3","2","6","9","9","5","1") = "8"
    & skf18("3","2","6","9","9","6","1") = "8"
    & skf18("3","2","6","9","9","7","1") = "8"
    & skf18("3","2","6","9","9","8","1") = "8"
    & skf18("3","2","6","9","9","9","1") = "8"
    & skf18("3","2","6","9","9","10","1") = "9"
    & skf18("3","2","6","9","10","1","1") = "9"
    & skf18("3","2","6","9","10","2","1") = "9"
    & skf18("3","2","6","9","10","3","1") = "9"
    & skf18("3","2","6","9","10","4","1") = "9"
    & skf18("3","2","6","9","10","5","1") = "9"
    & skf18("3","2","6","9","10","6","1") = "9"
    & skf18("3","2","6","9","10","7","1") = "9"
    & skf18("3","2","6","9","10","8","1") = "9"
    & skf18("3","2","6","9","10","9","1") = "9"
    & skf18("3","2","6","9","10","10","1") = "9"
    & skf18("3","2","6","10","1","1","1") = "9"
    & skf18("3","2","6","10","1","2","1") = "9"
    & skf18("3","2","6","10","1","3","1") = "9"
    & skf18("3","2","6","10","1","4","1") = "9"
    & skf18("3","2","6","10","1","5","1") = "9"
    & skf18("3","2","6","10","1","6","1") = "9"
    & skf18("3","2","6","10","1","7","1") = "9"
    & skf18("3","2","6","10","1","8","1") = "9"
    & skf18("3","2","6","10","1","9","1") = "9"
    & skf18("3","2","6","10","1","10","1") = "9"
    & skf18("3","2","6","10","2","1","1") = "9"
    & skf18("3","2","6","10","2","2","1") = "9"
    & skf18("3","2","6","10","2","3","1") = "9"
    & skf18("3","2","6","10","2","4","1") = "9"
    & skf18("3","2","6","10","2","5","1") = "9"
    & skf18("3","2","6","10","2","6","1") = "9"
    & skf18("3","2","6","10","2","7","1") = "9"
    & skf18("3","2","6","10","2","8","1") = "9"
    & skf18("3","2","6","10","2","9","1") = "9"
    & skf18("3","2","6","10","2","10","1") = "9"
    & skf18("3","2","6","10","3","1","1") = "9"
    & skf18("3","2","6","10","3","2","1") = "9"
    & skf18("3","2","6","10","3","3","1") = "9"
    & skf18("3","2","6","10","3","4","1") = "9"
    & skf18("3","2","6","10","3","5","1") = "9"
    & skf18("3","2","6","10","3","6","1") = "9"
    & skf18("3","2","6","10","3","7","1") = "9"
    & skf18("3","2","6","10","3","8","1") = "9"
    & skf18("3","2","6","10","3","9","1") = "9"
    & skf18("3","2","6","10","3","10","1") = "9"
    & skf18("3","2","6","10","4","1","1") = "9"
    & skf18("3","2","6","10","4","2","1") = "9"
    & skf18("3","2","6","10","4","3","1") = "9"
    & skf18("3","2","6","10","4","4","1") = "9"
    & skf18("3","2","6","10","4","5","1") = "9"
    & skf18("3","2","6","10","4","6","1") = "9"
    & skf18("3","2","6","10","4","7","1") = "9"
    & skf18("3","2","6","10","4","8","1") = "9"
    & skf18("3","2","6","10","4","9","1") = "9"
    & skf18("3","2","6","10","4","10","1") = "9"
    & skf18("3","2","6","10","5","1","1") = "9"
    & skf18("3","2","6","10","5","2","1") = "9"
    & skf18("3","2","6","10","5","3","1") = "9"
    & skf18("3","2","6","10","5","4","1") = "9"
    & skf18("3","2","6","10","5","5","1") = "9"
    & skf18("3","2","6","10","5","6","1") = "9"
    & skf18("3","2","6","10","5","7","1") = "9"
    & skf18("3","2","6","10","5","8","1") = "9"
    & skf18("3","2","6","10","5","9","1") = "9"
    & skf18("3","2","6","10","5","10","1") = "9"
    & skf18("3","2","6","10","6","1","1") = "9"
    & skf18("3","2","6","10","6","2","1") = "9"
    & skf18("3","2","6","10","6","3","1") = "9"
    & skf18("3","2","6","10","6","4","1") = "9"
    & skf18("3","2","6","10","6","5","1") = "9"
    & skf18("3","2","6","10","6","6","1") = "9"
    & skf18("3","2","6","10","6","7","1") = "9"
    & skf18("3","2","6","10","6","8","1") = "9"
    & skf18("3","2","6","10","6","9","1") = "9"
    & skf18("3","2","6","10","6","10","1") = "9"
    & skf18("3","2","6","10","7","1","1") = "9"
    & skf18("3","2","6","10","7","2","1") = "9"
    & skf18("3","2","6","10","7","3","1") = "9"
    & skf18("3","2","6","10","7","4","1") = "9"
    & skf18("3","2","6","10","7","5","1") = "9"
    & skf18("3","2","6","10","7","6","1") = "9"
    & skf18("3","2","6","10","7","7","1") = "9"
    & skf18("3","2","6","10","7","8","1") = "9"
    & skf18("3","2","6","10","7","9","1") = "9"
    & skf18("3","2","6","10","7","10","1") = "9"
    & skf18("3","2","6","10","8","1","1") = "9"
    & skf18("3","2","6","10","8","2","1") = "9"
    & skf18("3","2","6","10","8","3","1") = "9"
    & skf18("3","2","6","10","8","4","1") = "9"
    & skf18("3","2","6","10","8","5","1") = "9"
    & skf18("3","2","6","10","8","6","1") = "9"
    & skf18("3","2","6","10","8","7","1") = "9"
    & skf18("3","2","6","10","8","8","1") = "9"
    & skf18("3","2","6","10","8","9","1") = "9"
    & skf18("3","2","6","10","8","10","1") = "9"
    & skf18("3","2","6","10","9","1","1") = "9"
    & skf18("3","2","6","10","9","2","1") = "9"
    & skf18("3","2","6","10","9","3","1") = "9"
    & skf18("3","2","6","10","9","4","1") = "9"
    & skf18("3","2","6","10","9","5","1") = "9"
    & skf18("3","2","6","10","9","6","1") = "9"
    & skf18("3","2","6","10","9","7","1") = "9"
    & skf18("3","2","6","10","9","8","1") = "9"
    & skf18("3","2","6","10","9","9","1") = "9"
    & skf18("3","2","6","10","9","10","1") = "9"
    & skf18("3","2","6","10","10","1","1") = "9"
    & skf18("3","2","6","10","10","2","1") = "9"
    & skf18("3","2","6","10","10","3","1") = "9"
    & skf18("3","2","6","10","10","4","1") = "9"
    & skf18("3","2","6","10","10","5","1") = "9"
    & skf18("3","2","6","10","10","6","1") = "9"
    & skf18("3","2","6","10","10","7","1") = "9"
    & skf18("3","2","6","10","10","8","1") = "9"
    & skf18("3","2","6","10","10","9","1") = "9"
    & skf18("3","2","6","10","10","10","1") = "9"
    & skf18("3","2","7","1","1","1","1") = "6"
    & skf18("3","2","7","1","1","2","1") = "6"
    & skf18("3","2","7","1","1","3","1") = "6"
    & skf18("3","2","7","1","1","4","1") = "6"
    & skf18("3","2","7","1","1","5","1") = "6"
    & skf18("3","2","7","1","1","6","1") = "6"
    & skf18("3","2","7","1","1","7","1") = "6"
    & skf18("3","2","7","1","1","8","1") = "7"
    & skf18("3","2","7","1","1","9","1") = "8"
    & skf18("3","2","7","1","1","10","1") = "9"
    & skf18("3","2","7","1","2","1","1") = "6"
    & skf18("3","2","7","1","2","2","1") = "6"
    & skf18("3","2","7","1","2","3","1") = "6"
    & skf18("3","2","7","1","2","4","1") = "6"
    & skf18("3","2","7","1","2","5","1") = "6"
    & skf18("3","2","7","1","2","6","1") = "6"
    & skf18("3","2","7","1","2","7","1") = "6"
    & skf18("3","2","7","1","2","8","1") = "7"
    & skf18("3","2","7","1","2","9","1") = "8"
    & skf18("3","2","7","1","2","10","1") = "9"
    & skf18("3","2","7","1","3","1","1") = "6"
    & skf18("3","2","7","1","3","2","1") = "6"
    & skf18("3","2","7","1","3","3","1") = "6"
    & skf18("3","2","7","1","3","4","1") = "6"
    & skf18("3","2","7","1","3","5","1") = "6"
    & skf18("3","2","7","1","3","6","1") = "6"
    & skf18("3","2","7","1","3","7","1") = "6"
    & skf18("3","2","7","1","3","8","1") = "7"
    & skf18("3","2","7","1","3","9","1") = "8"
    & skf18("3","2","7","1","3","10","1") = "9"
    & skf18("3","2","7","1","4","1","1") = "6"
    & skf18("3","2","7","1","4","2","1") = "6"
    & skf18("3","2","7","1","4","3","1") = "6"
    & skf18("3","2","7","1","4","4","1") = "6"
    & skf18("3","2","7","1","4","5","1") = "6"
    & skf18("3","2","7","1","4","6","1") = "6"
    & skf18("3","2","7","1","4","7","1") = "6"
    & skf18("3","2","7","1","4","8","1") = "7"
    & skf18("3","2","7","1","4","9","1") = "8"
    & skf18("3","2","7","1","4","10","1") = "9"
    & skf18("3","2","7","1","5","1","1") = "6"
    & skf18("3","2","7","1","5","2","1") = "6"
    & skf18("3","2","7","1","5","3","1") = "6"
    & skf18("3","2","7","1","5","4","1") = "6"
    & skf18("3","2","7","1","5","5","1") = "6"
    & skf18("3","2","7","1","5","6","1") = "6"
    & skf18("3","2","7","1","5","7","1") = "6"
    & skf18("3","2","7","1","5","8","1") = "7"
    & skf18("3","2","7","1","5","9","1") = "8"
    & skf18("3","2","7","1","5","10","1") = "9"
    & skf18("3","2","7","1","6","1","1") = "6"
    & skf18("3","2","7","1","6","2","1") = "6"
    & skf18("3","2","7","1","6","3","1") = "6"
    & skf18("3","2","7","1","6","4","1") = "6"
    & skf18("3","2","7","1","6","5","1") = "6"
    & skf18("3","2","7","1","6","6","1") = "6"
    & skf18("3","2","7","1","6","7","1") = "6"
    & skf18("3","2","7","1","6","8","1") = "7"
    & skf18("3","2","7","1","6","9","1") = "8"
    & skf18("3","2","7","1","6","10","1") = "9"
    & skf18("3","2","7","1","7","1","1") = "6"
    & skf18("3","2","7","1","7","2","1") = "6"
    & skf18("3","2","7","1","7","3","1") = "6"
    & skf18("3","2","7","1","7","4","1") = "6"
    & skf18("3","2","7","1","7","5","1") = "6"
    & skf18("3","2","7","1","7","6","1") = "6"
    & skf18("3","2","7","1","7","7","1") = "6"
    & skf18("3","2","7","1","7","8","1") = "7"
    & skf18("3","2","7","1","7","9","1") = "8"
    & skf18("3","2","7","1","7","10","1") = "9"
    & skf18("3","2","7","1","8","1","1") = "7"
    & skf18("3","2","7","1","8","2","1") = "7"
    & skf18("3","2","7","1","8","3","1") = "7"
    & skf18("3","2","7","1","8","4","1") = "7"
    & skf18("3","2","7","1","8","5","1") = "7"
    & skf18("3","2","7","1","8","6","1") = "7"
    & skf18("3","2","7","1","8","7","1") = "7"
    & skf18("3","2","7","1","8","8","1") = "7"
    & skf18("3","2","7","1","8","9","1") = "8"
    & skf18("3","2","7","1","8","10","1") = "9"
    & skf18("3","2","7","1","9","1","1") = "8"
    & skf18("3","2","7","1","9","2","1") = "8"
    & skf18("3","2","7","1","9","3","1") = "8"
    & skf18("3","2","7","1","9","4","1") = "8"
    & skf18("3","2","7","1","9","5","1") = "8"
    & skf18("3","2","7","1","9","6","1") = "8"
    & skf18("3","2","7","1","9","7","1") = "8"
    & skf18("3","2","7","1","9","8","1") = "8"
    & skf18("3","2","7","1","9","9","1") = "8"
    & skf18("3","2","7","1","9","10","1") = "9"
    & skf18("3","2","7","1","10","1","1") = "9"
    & skf18("3","2","7","1","10","2","1") = "9"
    & skf18("3","2","7","1","10","3","1") = "9"
    & skf18("3","2","7","1","10","4","1") = "9"
    & skf18("3","2","7","1","10","5","1") = "9"
    & skf18("3","2","7","1","10","6","1") = "9"
    & skf18("3","2","7","1","10","7","1") = "9"
    & skf18("3","2","7","1","10","8","1") = "9"
    & skf18("3","2","7","1","10","9","1") = "9"
    & skf18("3","2","7","1","10","10","1") = "9"
    & skf18("3","2","7","2","1","1","1") = "6"
    & skf18("3","2","7","2","1","2","1") = "6"
    & skf18("3","2","7","2","1","3","1") = "6"
    & skf18("3","2","7","2","1","4","1") = "6"
    & skf18("3","2","7","2","1","5","1") = "6"
    & skf18("3","2","7","2","1","6","1") = "6"
    & skf18("3","2","7","2","1","7","1") = "6"
    & skf18("3","2","7","2","1","8","1") = "7"
    & skf18("3","2","7","2","1","9","1") = "8"
    & skf18("3","2","7","2","1","10","1") = "9"
    & skf18("3","2","7","2","2","1","1") = "6"
    & skf18("3","2","7","2","2","2","1") = "6"
    & skf18("3","2","7","2","2","3","1") = "6"
    & skf18("3","2","7","2","2","4","1") = "6"
    & skf18("3","2","7","2","2","5","1") = "6"
    & skf18("3","2","7","2","2","6","1") = "6"
    & skf18("3","2","7","2","2","7","1") = "6"
    & skf18("3","2","7","2","2","8","1") = "7"
    & skf18("3","2","7","2","2","9","1") = "8"
    & skf18("3","2","7","2","2","10","1") = "9"
    & skf18("3","2","7","2","3","1","1") = "6"
    & skf18("3","2","7","2","3","2","1") = "6"
    & skf18("3","2","7","2","3","3","1") = "6"
    & skf18("3","2","7","2","3","4","1") = "6"
    & skf18("3","2","7","2","3","5","1") = "6"
    & skf18("3","2","7","2","3","6","1") = "6"
    & skf18("3","2","7","2","3","7","1") = "6"
    & skf18("3","2","7","2","3","8","1") = "7"
    & skf18("3","2","7","2","3","9","1") = "8"
    & skf18("3","2","7","2","3","10","1") = "9"
    & skf18("3","2","7","2","4","1","1") = "6"
    & skf18("3","2","7","2","4","2","1") = "6"
    & skf18("3","2","7","2","4","3","1") = "6"
    & skf18("3","2","7","2","4","4","1") = "6"
    & skf18("3","2","7","2","4","5","1") = "6"
    & skf18("3","2","7","2","4","6","1") = "6"
    & skf18("3","2","7","2","4","7","1") = "6"
    & skf18("3","2","7","2","4","8","1") = "7"
    & skf18("3","2","7","2","4","9","1") = "8"
    & skf18("3","2","7","2","4","10","1") = "9"
    & skf18("3","2","7","2","5","1","1") = "6"
    & skf18("3","2","7","2","5","2","1") = "6"
    & skf18("3","2","7","2","5","3","1") = "6"
    & skf18("3","2","7","2","5","4","1") = "6"
    & skf18("3","2","7","2","5","5","1") = "6"
    & skf18("3","2","7","2","5","6","1") = "6"
    & skf18("3","2","7","2","5","7","1") = "6"
    & skf18("3","2","7","2","5","8","1") = "7"
    & skf18("3","2","7","2","5","9","1") = "8"
    & skf18("3","2","7","2","5","10","1") = "9"
    & skf18("3","2","7","2","6","1","1") = "6"
    & skf18("3","2","7","2","6","2","1") = "6"
    & skf18("3","2","7","2","6","3","1") = "6"
    & skf18("3","2","7","2","6","4","1") = "6"
    & skf18("3","2","7","2","6","5","1") = "6"
    & skf18("3","2","7","2","6","6","1") = "6"
    & skf18("3","2","7","2","6","7","1") = "6"
    & skf18("3","2","7","2","6","8","1") = "7"
    & skf18("3","2","7","2","6","9","1") = "8"
    & skf18("3","2","7","2","6","10","1") = "9"
    & skf18("3","2","7","2","7","1","1") = "6"
    & skf18("3","2","7","2","7","2","1") = "6"
    & skf18("3","2","7","2","7","3","1") = "6"
    & skf18("3","2","7","2","7","4","1") = "6"
    & skf18("3","2","7","2","7","5","1") = "6"
    & skf18("3","2","7","2","7","6","1") = "6"
    & skf18("3","2","7","2","7","7","1") = "6"
    & skf18("3","2","7","2","7","8","1") = "7"
    & skf18("3","2","7","2","7","9","1") = "8"
    & skf18("3","2","7","2","7","10","1") = "9"
    & skf18("3","2","7","2","8","1","1") = "7"
    & skf18("3","2","7","2","8","2","1") = "7"
    & skf18("3","2","7","2","8","3","1") = "7"
    & skf18("3","2","7","2","8","4","1") = "7"
    & skf18("3","2","7","2","8","5","1") = "7"
    & skf18("3","2","7","2","8","6","1") = "7"
    & skf18("3","2","7","2","8","7","1") = "7"
    & skf18("3","2","7","2","8","8","1") = "7"
    & skf18("3","2","7","2","8","9","1") = "8"
    & skf18("3","2","7","2","8","10","1") = "9"
    & skf18("3","2","7","2","9","1","1") = "8"
    & skf18("3","2","7","2","9","2","1") = "8"
    & skf18("3","2","7","2","9","3","1") = "8"
    & skf18("3","2","7","2","9","4","1") = "8"
    & skf18("3","2","7","2","9","5","1") = "8"
    & skf18("3","2","7","2","9","6","1") = "8"
    & skf18("3","2","7","2","9","7","1") = "8"
    & skf18("3","2","7","2","9","8","1") = "8"
    & skf18("3","2","7","2","9","9","1") = "8"
    & skf18("3","2","7","2","9","10","1") = "9"
    & skf18("3","2","7","2","10","1","1") = "9"
    & skf18("3","2","7","2","10","2","1") = "9"
    & skf18("3","2","7","2","10","3","1") = "9"
    & skf18("3","2","7","2","10","4","1") = "9"
    & skf18("3","2","7","2","10","5","1") = "9"
    & skf18("3","2","7","2","10","6","1") = "9"
    & skf18("3","2","7","2","10","7","1") = "9"
    & skf18("3","2","7","2","10","8","1") = "9"
    & skf18("3","2","7","2","10","9","1") = "9"
    & skf18("3","2","7","2","10","10","1") = "9"
    & skf18("3","2","7","3","1","1","1") = "6"
    & skf18("3","2","7","3","1","2","1") = "6"
    & skf18("3","2","7","3","1","3","1") = "6"
    & skf18("3","2","7","3","1","4","1") = "6"
    & skf18("3","2","7","3","1","5","1") = "6"
    & skf18("3","2","7","3","1","6","1") = "6"
    & skf18("3","2","7","3","1","7","1") = "6"
    & skf18("3","2","7","3","1","8","1") = "7"
    & skf18("3","2","7","3","1","9","1") = "8"
    & skf18("3","2","7","3","1","10","1") = "9"
    & skf18("3","2","7","3","2","1","1") = "6"
    & skf18("3","2","7","3","2","2","1") = "6"
    & skf18("3","2","7","3","2","3","1") = "6"
    & skf18("3","2","7","3","2","4","1") = "6"
    & skf18("3","2","7","3","2","5","1") = "6"
    & skf18("3","2","7","3","2","6","1") = "6"
    & skf18("3","2","7","3","2","7","1") = "6"
    & skf18("3","2","7","3","2","8","1") = "7"
    & skf18("3","2","7","3","2","9","1") = "8"
    & skf18("3","2","7","3","2","10","1") = "9"
    & skf18("3","2","7","3","3","1","1") = "6"
    & skf18("3","2","7","3","3","2","1") = "6"
    & skf18("3","2","7","3","3","3","1") = "6"
    & skf18("3","2","7","3","3","4","1") = "6"
    & skf18("3","2","7","3","3","5","1") = "6"
    & skf18("3","2","7","3","3","6","1") = "6"
    & skf18("3","2","7","3","3","7","1") = "6"
    & skf18("3","2","7","3","3","8","1") = "7"
    & skf18("3","2","7","3","3","9","1") = "8"
    & skf18("3","2","7","3","3","10","1") = "9"
    & skf18("3","2","7","3","4","1","1") = "6"
    & skf18("3","2","7","3","4","2","1") = "6"
    & skf18("3","2","7","3","4","3","1") = "6"
    & skf18("3","2","7","3","4","4","1") = "6"
    & skf18("3","2","7","3","4","5","1") = "6"
    & skf18("3","2","7","3","4","6","1") = "6"
    & skf18("3","2","7","3","4","7","1") = "6"
    & skf18("3","2","7","3","4","8","1") = "7"
    & skf18("3","2","7","3","4","9","1") = "8"
    & skf18("3","2","7","3","4","10","1") = "9"
    & skf18("3","2","7","3","5","1","1") = "6"
    & skf18("3","2","7","3","5","2","1") = "6"
    & skf18("3","2","7","3","5","3","1") = "6"
    & skf18("3","2","7","3","5","4","1") = "6"
    & skf18("3","2","7","3","5","5","1") = "6"
    & skf18("3","2","7","3","5","6","1") = "6"
    & skf18("3","2","7","3","5","7","1") = "6"
    & skf18("3","2","7","3","5","8","1") = "7"
    & skf18("3","2","7","3","5","9","1") = "8"
    & skf18("3","2","7","3","5","10","1") = "9"
    & skf18("3","2","7","3","6","1","1") = "6"
    & skf18("3","2","7","3","6","2","1") = "6"
    & skf18("3","2","7","3","6","3","1") = "6"
    & skf18("3","2","7","3","6","4","1") = "6"
    & skf18("3","2","7","3","6","5","1") = "6"
    & skf18("3","2","7","3","6","6","1") = "6"
    & skf18("3","2","7","3","6","7","1") = "6"
    & skf18("3","2","7","3","6","8","1") = "7"
    & skf18("3","2","7","3","6","9","1") = "8"
    & skf18("3","2","7","3","6","10","1") = "9"
    & skf18("3","2","7","3","7","1","1") = "6"
    & skf18("3","2","7","3","7","2","1") = "6"
    & skf18("3","2","7","3","7","3","1") = "6"
    & skf18("3","2","7","3","7","4","1") = "6"
    & skf18("3","2","7","3","7","5","1") = "6"
    & skf18("3","2","7","3","7","6","1") = "6"
    & skf18("3","2","7","3","7","7","1") = "6"
    & skf18("3","2","7","3","7","8","1") = "7"
    & skf18("3","2","7","3","7","9","1") = "8"
    & skf18("3","2","7","3","7","10","1") = "9"
    & skf18("3","2","7","3","8","1","1") = "7"
    & skf18("3","2","7","3","8","2","1") = "7"
    & skf18("3","2","7","3","8","3","1") = "7"
    & skf18("3","2","7","3","8","4","1") = "7"
    & skf18("3","2","7","3","8","5","1") = "7"
    & skf18("3","2","7","3","8","6","1") = "7"
    & skf18("3","2","7","3","8","7","1") = "7"
    & skf18("3","2","7","3","8","8","1") = "7"
    & skf18("3","2","7","3","8","9","1") = "8"
    & skf18("3","2","7","3","8","10","1") = "9"
    & skf18("3","2","7","3","9","1","1") = "8"
    & skf18("3","2","7","3","9","2","1") = "8"
    & skf18("3","2","7","3","9","3","1") = "8"
    & skf18("3","2","7","3","9","4","1") = "8"
    & skf18("3","2","7","3","9","5","1") = "8"
    & skf18("3","2","7","3","9","6","1") = "8"
    & skf18("3","2","7","3","9","7","1") = "8"
    & skf18("3","2","7","3","9","8","1") = "8"
    & skf18("3","2","7","3","9","9","1") = "8"
    & skf18("3","2","7","3","9","10","1") = "9"
    & skf18("3","2","7","3","10","1","1") = "9"
    & skf18("3","2","7","3","10","2","1") = "9"
    & skf18("3","2","7","3","10","3","1") = "9"
    & skf18("3","2","7","3","10","4","1") = "9"
    & skf18("3","2","7","3","10","5","1") = "9"
    & skf18("3","2","7","3","10","6","1") = "9"
    & skf18("3","2","7","3","10","7","1") = "9"
    & skf18("3","2","7","3","10","8","1") = "9"
    & skf18("3","2","7","3","10","9","1") = "9"
    & skf18("3","2","7","3","10","10","1") = "9"
    & skf18("3","2","7","4","1","1","1") = "6"
    & skf18("3","2","7","4","1","2","1") = "6"
    & skf18("3","2","7","4","1","3","1") = "6"
    & skf18("3","2","7","4","1","4","1") = "6"
    & skf18("3","2","7","4","1","5","1") = "6"
    & skf18("3","2","7","4","1","6","1") = "6"
    & skf18("3","2","7","4","1","7","1") = "6"
    & skf18("3","2","7","4","1","8","1") = "7"
    & skf18("3","2","7","4","1","9","1") = "8"
    & skf18("3","2","7","4","1","10","1") = "9"
    & skf18("3","2","7","4","2","1","1") = "6"
    & skf18("3","2","7","4","2","2","1") = "6"
    & skf18("3","2","7","4","2","3","1") = "6"
    & skf18("3","2","7","4","2","4","1") = "6"
    & skf18("3","2","7","4","2","5","1") = "6"
    & skf18("3","2","7","4","2","6","1") = "6"
    & skf18("3","2","7","4","2","7","1") = "6"
    & skf18("3","2","7","4","2","8","1") = "7"
    & skf18("3","2","7","4","2","9","1") = "8"
    & skf18("3","2","7","4","2","10","1") = "9"
    & skf18("3","2","7","4","3","1","1") = "6"
    & skf18("3","2","7","4","3","2","1") = "6"
    & skf18("3","2","7","4","3","3","1") = "6"
    & skf18("3","2","7","4","3","4","1") = "6"
    & skf18("3","2","7","4","3","5","1") = "6"
    & skf18("3","2","7","4","3","6","1") = "6"
    & skf18("3","2","7","4","3","7","1") = "6"
    & skf18("3","2","7","4","3","8","1") = "7"
    & skf18("3","2","7","4","3","9","1") = "8"
    & skf18("3","2","7","4","3","10","1") = "9"
    & skf18("3","2","7","4","4","1","1") = "6"
    & skf18("3","2","7","4","4","2","1") = "6"
    & skf18("3","2","7","4","4","3","1") = "6"
    & skf18("3","2","7","4","4","4","1") = "6"
    & skf18("3","2","7","4","4","5","1") = "6"
    & skf18("3","2","7","4","4","6","1") = "6"
    & skf18("3","2","7","4","4","7","1") = "6"
    & skf18("3","2","7","4","4","8","1") = "7"
    & skf18("3","2","7","4","4","9","1") = "8"
    & skf18("3","2","7","4","4","10","1") = "9"
    & skf18("3","2","7","4","5","1","1") = "6"
    & skf18("3","2","7","4","5","2","1") = "6"
    & skf18("3","2","7","4","5","3","1") = "6"
    & skf18("3","2","7","4","5","4","1") = "6"
    & skf18("3","2","7","4","5","5","1") = "6"
    & skf18("3","2","7","4","5","6","1") = "6"
    & skf18("3","2","7","4","5","7","1") = "6"
    & skf18("3","2","7","4","5","8","1") = "7"
    & skf18("3","2","7","4","5","9","1") = "8"
    & skf18("3","2","7","4","5","10","1") = "9"
    & skf18("3","2","7","4","6","1","1") = "6"
    & skf18("3","2","7","4","6","2","1") = "6"
    & skf18("3","2","7","4","6","3","1") = "6"
    & skf18("3","2","7","4","6","4","1") = "6"
    & skf18("3","2","7","4","6","5","1") = "6"
    & skf18("3","2","7","4","6","6","1") = "6"
    & skf18("3","2","7","4","6","7","1") = "6"
    & skf18("3","2","7","4","6","8","1") = "7"
    & skf18("3","2","7","4","6","9","1") = "8"
    & skf18("3","2","7","4","6","10","1") = "9"
    & skf18("3","2","7","4","7","1","1") = "6"
    & skf18("3","2","7","4","7","2","1") = "6"
    & skf18("3","2","7","4","7","3","1") = "6"
    & skf18("3","2","7","4","7","4","1") = "6"
    & skf18("3","2","7","4","7","5","1") = "6"
    & skf18("3","2","7","4","7","6","1") = "6"
    & skf18("3","2","7","4","7","7","1") = "6"
    & skf18("3","2","7","4","7","8","1") = "7"
    & skf18("3","2","7","4","7","9","1") = "8"
    & skf18("3","2","7","4","7","10","1") = "9"
    & skf18("3","2","7","4","8","1","1") = "7"
    & skf18("3","2","7","4","8","2","1") = "7"
    & skf18("3","2","7","4","8","3","1") = "7"
    & skf18("3","2","7","4","8","4","1") = "7"
    & skf18("3","2","7","4","8","5","1") = "7"
    & skf18("3","2","7","4","8","6","1") = "7"
    & skf18("3","2","7","4","8","7","1") = "7"
    & skf18("3","2","7","4","8","8","1") = "7"
    & skf18("3","2","7","4","8","9","1") = "8"
    & skf18("3","2","7","4","8","10","1") = "9"
    & skf18("3","2","7","4","9","1","1") = "8"
    & skf18("3","2","7","4","9","2","1") = "8"
    & skf18("3","2","7","4","9","3","1") = "8"
    & skf18("3","2","7","4","9","4","1") = "8"
    & skf18("3","2","7","4","9","5","1") = "8"
    & skf18("3","2","7","4","9","6","1") = "8"
    & skf18("3","2","7","4","9","7","1") = "8"
    & skf18("3","2","7","4","9","8","1") = "8"
    & skf18("3","2","7","4","9","9","1") = "8"
    & skf18("3","2","7","4","9","10","1") = "9"
    & skf18("3","2","7","4","10","1","1") = "9"
    & skf18("3","2","7","4","10","2","1") = "9"
    & skf18("3","2","7","4","10","3","1") = "9"
    & skf18("3","2","7","4","10","4","1") = "9"
    & skf18("3","2","7","4","10","5","1") = "9"
    & skf18("3","2","7","4","10","6","1") = "9"
    & skf18("3","2","7","4","10","7","1") = "9"
    & skf18("3","2","7","4","10","8","1") = "9"
    & skf18("3","2","7","4","10","9","1") = "9"
    & skf18("3","2","7","4","10","10","1") = "9"
    & skf18("3","2","7","5","1","1","1") = "6"
    & skf18("3","2","7","5","1","2","1") = "6"
    & skf18("3","2","7","5","1","3","1") = "6"
    & skf18("3","2","7","5","1","4","1") = "6"
    & skf18("3","2","7","5","1","5","1") = "6"
    & skf18("3","2","7","5","1","6","1") = "6"
    & skf18("3","2","7","5","1","7","1") = "6"
    & skf18("3","2","7","5","1","8","1") = "7"
    & skf18("3","2","7","5","1","9","1") = "8"
    & skf18("3","2","7","5","1","10","1") = "9"
    & skf18("3","2","7","5","2","1","1") = "6"
    & skf18("3","2","7","5","2","2","1") = "6"
    & skf18("3","2","7","5","2","3","1") = "6"
    & skf18("3","2","7","5","2","4","1") = "6"
    & skf18("3","2","7","5","2","5","1") = "6"
    & skf18("3","2","7","5","2","6","1") = "6"
    & skf18("3","2","7","5","2","7","1") = "6"
    & skf18("3","2","7","5","2","8","1") = "7"
    & skf18("3","2","7","5","2","9","1") = "8"
    & skf18("3","2","7","5","2","10","1") = "9"
    & skf18("3","2","7","5","3","1","1") = "6"
    & skf18("3","2","7","5","3","2","1") = "6"
    & skf18("3","2","7","5","3","3","1") = "6"
    & skf18("3","2","7","5","3","4","1") = "6"
    & skf18("3","2","7","5","3","5","1") = "6"
    & skf18("3","2","7","5","3","6","1") = "6"
    & skf18("3","2","7","5","3","7","1") = "6"
    & skf18("3","2","7","5","3","8","1") = "7"
    & skf18("3","2","7","5","3","9","1") = "8"
    & skf18("3","2","7","5","3","10","1") = "9"
    & skf18("3","2","7","5","4","1","1") = "6"
    & skf18("3","2","7","5","4","2","1") = "6"
    & skf18("3","2","7","5","4","3","1") = "6"
    & skf18("3","2","7","5","4","4","1") = "6"
    & skf18("3","2","7","5","4","5","1") = "6"
    & skf18("3","2","7","5","4","6","1") = "6"
    & skf18("3","2","7","5","4","7","1") = "6"
    & skf18("3","2","7","5","4","8","1") = "7"
    & skf18("3","2","7","5","4","9","1") = "8"
    & skf18("3","2","7","5","4","10","1") = "9"
    & skf18("3","2","7","5","5","1","1") = "6"
    & skf18("3","2","7","5","5","2","1") = "6"
    & skf18("3","2","7","5","5","3","1") = "6"
    & skf18("3","2","7","5","5","4","1") = "6"
    & skf18("3","2","7","5","5","5","1") = "6"
    & skf18("3","2","7","5","5","6","1") = "6"
    & skf18("3","2","7","5","5","7","1") = "6"
    & skf18("3","2","7","5","5","8","1") = "7"
    & skf18("3","2","7","5","5","9","1") = "8"
    & skf18("3","2","7","5","5","10","1") = "9"
    & skf18("3","2","7","5","6","1","1") = "6"
    & skf18("3","2","7","5","6","2","1") = "6"
    & skf18("3","2","7","5","6","3","1") = "6"
    & skf18("3","2","7","5","6","4","1") = "6"
    & skf18("3","2","7","5","6","5","1") = "6"
    & skf18("3","2","7","5","6","6","1") = "6"
    & skf18("3","2","7","5","6","7","1") = "6"
    & skf18("3","2","7","5","6","8","1") = "7"
    & skf18("3","2","7","5","6","9","1") = "8"
    & skf18("3","2","7","5","6","10","1") = "9"
    & skf18("3","2","7","5","7","1","1") = "6"
    & skf18("3","2","7","5","7","2","1") = "6"
    & skf18("3","2","7","5","7","3","1") = "6"
    & skf18("3","2","7","5","7","4","1") = "6"
    & skf18("3","2","7","5","7","5","1") = "6"
    & skf18("3","2","7","5","7","6","1") = "6"
    & skf18("3","2","7","5","7","7","1") = "6"
    & skf18("3","2","7","5","7","8","1") = "7"
    & skf18("3","2","7","5","7","9","1") = "8"
    & skf18("3","2","7","5","7","10","1") = "9"
    & skf18("3","2","7","5","8","1","1") = "7"
    & skf18("3","2","7","5","8","2","1") = "7"
    & skf18("3","2","7","5","8","3","1") = "7"
    & skf18("3","2","7","5","8","4","1") = "7"
    & skf18("3","2","7","5","8","5","1") = "7"
    & skf18("3","2","7","5","8","6","1") = "7"
    & skf18("3","2","7","5","8","7","1") = "7"
    & skf18("3","2","7","5","8","8","1") = "7"
    & skf18("3","2","7","5","8","9","1") = "8"
    & skf18("3","2","7","5","8","10","1") = "9"
    & skf18("3","2","7","5","9","1","1") = "8"
    & skf18("3","2","7","5","9","2","1") = "8"
    & skf18("3","2","7","5","9","3","1") = "8"
    & skf18("3","2","7","5","9","4","1") = "8"
    & skf18("3","2","7","5","9","5","1") = "8"
    & skf18("3","2","7","5","9","6","1") = "8"
    & skf18("3","2","7","5","9","7","1") = "8"
    & skf18("3","2","7","5","9","8","1") = "8"
    & skf18("3","2","7","5","9","9","1") = "8"
    & skf18("3","2","7","5","9","10","1") = "9"
    & skf18("3","2","7","5","10","1","1") = "9"
    & skf18("3","2","7","5","10","2","1") = "9"
    & skf18("3","2","7","5","10","3","1") = "9"
    & skf18("3","2","7","5","10","4","1") = "9"
    & skf18("3","2","7","5","10","5","1") = "9"
    & skf18("3","2","7","5","10","6","1") = "9"
    & skf18("3","2","7","5","10","7","1") = "9"
    & skf18("3","2","7","5","10","8","1") = "9"
    & skf18("3","2","7","5","10","9","1") = "9"
    & skf18("3","2","7","5","10","10","1") = "9"
    & skf18("3","2","7","6","1","1","1") = "6"
    & skf18("3","2","7","6","1","2","1") = "6"
    & skf18("3","2","7","6","1","3","1") = "6"
    & skf18("3","2","7","6","1","4","1") = "6"
    & skf18("3","2","7","6","1","5","1") = "6"
    & skf18("3","2","7","6","1","6","1") = "6"
    & skf18("3","2","7","6","1","7","1") = "6"
    & skf18("3","2","7","6","1","8","1") = "7"
    & skf18("3","2","7","6","1","9","1") = "8"
    & skf18("3","2","7","6","1","10","1") = "9"
    & skf18("3","2","7","6","2","1","1") = "6"
    & skf18("3","2","7","6","2","2","1") = "6"
    & skf18("3","2","7","6","2","3","1") = "6"
    & skf18("3","2","7","6","2","4","1") = "6"
    & skf18("3","2","7","6","2","5","1") = "6"
    & skf18("3","2","7","6","2","6","1") = "6"
    & skf18("3","2","7","6","2","7","1") = "6"
    & skf18("3","2","7","6","2","8","1") = "7"
    & skf18("3","2","7","6","2","9","1") = "8"
    & skf18("3","2","7","6","2","10","1") = "9"
    & skf18("3","2","7","6","3","1","1") = "6"
    & skf18("3","2","7","6","3","2","1") = "6"
    & skf18("3","2","7","6","3","3","1") = "6"
    & skf18("3","2","7","6","3","4","1") = "6"
    & skf18("3","2","7","6","3","5","1") = "6"
    & skf18("3","2","7","6","3","6","1") = "6"
    & skf18("3","2","7","6","3","7","1") = "6"
    & skf18("3","2","7","6","3","8","1") = "7"
    & skf18("3","2","7","6","3","9","1") = "8"
    & skf18("3","2","7","6","3","10","1") = "9"
    & skf18("3","2","7","6","4","1","1") = "6"
    & skf18("3","2","7","6","4","2","1") = "6"
    & skf18("3","2","7","6","4","3","1") = "6"
    & skf18("3","2","7","6","4","4","1") = "6"
    & skf18("3","2","7","6","4","5","1") = "6"
    & skf18("3","2","7","6","4","6","1") = "6"
    & skf18("3","2","7","6","4","7","1") = "6"
    & skf18("3","2","7","6","4","8","1") = "7"
    & skf18("3","2","7","6","4","9","1") = "8"
    & skf18("3","2","7","6","4","10","1") = "9"
    & skf18("3","2","7","6","5","1","1") = "6"
    & skf18("3","2","7","6","5","2","1") = "6"
    & skf18("3","2","7","6","5","3","1") = "6"
    & skf18("3","2","7","6","5","4","1") = "6"
    & skf18("3","2","7","6","5","5","1") = "6"
    & skf18("3","2","7","6","5","6","1") = "6"
    & skf18("3","2","7","6","5","7","1") = "6"
    & skf18("3","2","7","6","5","8","1") = "7"
    & skf18("3","2","7","6","5","9","1") = "8"
    & skf18("3","2","7","6","5","10","1") = "9"
    & skf18("3","2","7","6","6","1","1") = "6"
    & skf18("3","2","7","6","6","2","1") = "6"
    & skf18("3","2","7","6","6","3","1") = "6"
    & skf18("3","2","7","6","6","4","1") = "6"
    & skf18("3","2","7","6","6","5","1") = "6"
    & skf18("3","2","7","6","6","6","1") = "6"
    & skf18("3","2","7","6","6","7","1") = "6"
    & skf18("3","2","7","6","6","8","1") = "7"
    & skf18("3","2","7","6","6","9","1") = "8"
    & skf18("3","2","7","6","6","10","1") = "9"
    & skf18("3","2","7","6","7","1","1") = "6"
    & skf18("3","2","7","6","7","2","1") = "6"
    & skf18("3","2","7","6","7","3","1") = "6"
    & skf18("3","2","7","6","7","4","1") = "6"
    & skf18("3","2","7","6","7","5","1") = "6"
    & skf18("3","2","7","6","7","6","1") = "6"
    & skf18("3","2","7","6","7","7","1") = "6"
    & skf18("3","2","7","6","7","8","1") = "7"
    & skf18("3","2","7","6","7","9","1") = "8"
    & skf18("3","2","7","6","7","10","1") = "9"
    & skf18("3","2","7","6","8","1","1") = "7"
    & skf18("3","2","7","6","8","2","1") = "7"
    & skf18("3","2","7","6","8","3","1") = "7"
    & skf18("3","2","7","6","8","4","1") = "7"
    & skf18("3","2","7","6","8","5","1") = "7"
    & skf18("3","2","7","6","8","6","1") = "7"
    & skf18("3","2","7","6","8","7","1") = "7"
    & skf18("3","2","7","6","8","8","1") = "7"
    & skf18("3","2","7","6","8","9","1") = "8"
    & skf18("3","2","7","6","8","10","1") = "9"
    & skf18("3","2","7","6","9","1","1") = "8"
    & skf18("3","2","7","6","9","2","1") = "8"
    & skf18("3","2","7","6","9","3","1") = "8"
    & skf18("3","2","7","6","9","4","1") = "8"
    & skf18("3","2","7","6","9","5","1") = "8"
    & skf18("3","2","7","6","9","6","1") = "8"
    & skf18("3","2","7","6","9","7","1") = "8"
    & skf18("3","2","7","6","9","8","1") = "8"
    & skf18("3","2","7","6","9","9","1") = "8"
    & skf18("3","2","7","6","9","10","1") = "9"
    & skf18("3","2","7","6","10","1","1") = "9"
    & skf18("3","2","7","6","10","2","1") = "9"
    & skf18("3","2","7","6","10","3","1") = "9"
    & skf18("3","2","7","6","10","4","1") = "9"
    & skf18("3","2","7","6","10","5","1") = "9"
    & skf18("3","2","7","6","10","6","1") = "9"
    & skf18("3","2","7","6","10","7","1") = "9"
    & skf18("3","2","7","6","10","8","1") = "9"
    & skf18("3","2","7","6","10","9","1") = "9"
    & skf18("3","2","7","6","10","10","1") = "9"
    & skf18("3","2","7","7","1","1","1") = "6"
    & skf18("3","2","7","7","1","2","1") = "6"
    & skf18("3","2","7","7","1","3","1") = "6"
    & skf18("3","2","7","7","1","4","1") = "6"
    & skf18("3","2","7","7","1","5","1") = "6"
    & skf18("3","2","7","7","1","6","1") = "6"
    & skf18("3","2","7","7","1","7","1") = "6"
    & skf18("3","2","7","7","1","8","1") = "7"
    & skf18("3","2","7","7","1","9","1") = "8"
    & skf18("3","2","7","7","1","10","1") = "9"
    & skf18("3","2","7","7","2","1","1") = "6"
    & skf18("3","2","7","7","2","2","1") = "6"
    & skf18("3","2","7","7","2","3","1") = "6"
    & skf18("3","2","7","7","2","4","1") = "6"
    & skf18("3","2","7","7","2","5","1") = "6"
    & skf18("3","2","7","7","2","6","1") = "6"
    & skf18("3","2","7","7","2","7","1") = "6"
    & skf18("3","2","7","7","2","8","1") = "7"
    & skf18("3","2","7","7","2","9","1") = "8"
    & skf18("3","2","7","7","2","10","1") = "9"
    & skf18("3","2","7","7","3","1","1") = "6"
    & skf18("3","2","7","7","3","2","1") = "6"
    & skf18("3","2","7","7","3","3","1") = "6"
    & skf18("3","2","7","7","3","4","1") = "6"
    & skf18("3","2","7","7","3","5","1") = "6"
    & skf18("3","2","7","7","3","6","1") = "6"
    & skf18("3","2","7","7","3","7","1") = "6"
    & skf18("3","2","7","7","3","8","1") = "7"
    & skf18("3","2","7","7","3","9","1") = "8"
    & skf18("3","2","7","7","3","10","1") = "9"
    & skf18("3","2","7","7","4","1","1") = "6"
    & skf18("3","2","7","7","4","2","1") = "6"
    & skf18("3","2","7","7","4","3","1") = "6"
    & skf18("3","2","7","7","4","4","1") = "6"
    & skf18("3","2","7","7","4","5","1") = "6"
    & skf18("3","2","7","7","4","6","1") = "6"
    & skf18("3","2","7","7","4","7","1") = "6"
    & skf18("3","2","7","7","4","8","1") = "7"
    & skf18("3","2","7","7","4","9","1") = "8"
    & skf18("3","2","7","7","4","10","1") = "9"
    & skf18("3","2","7","7","5","1","1") = "6"
    & skf18("3","2","7","7","5","2","1") = "6"
    & skf18("3","2","7","7","5","3","1") = "6"
    & skf18("3","2","7","7","5","4","1") = "6"
    & skf18("3","2","7","7","5","5","1") = "6"
    & skf18("3","2","7","7","5","6","1") = "6"
    & skf18("3","2","7","7","5","7","1") = "6"
    & skf18("3","2","7","7","5","8","1") = "7"
    & skf18("3","2","7","7","5","9","1") = "8"
    & skf18("3","2","7","7","5","10","1") = "9"
    & skf18("3","2","7","7","6","1","1") = "6"
    & skf18("3","2","7","7","6","2","1") = "6"
    & skf18("3","2","7","7","6","3","1") = "6"
    & skf18("3","2","7","7","6","4","1") = "6"
    & skf18("3","2","7","7","6","5","1") = "6"
    & skf18("3","2","7","7","6","6","1") = "6"
    & skf18("3","2","7","7","6","7","1") = "6"
    & skf18("3","2","7","7","6","8","1") = "7"
    & skf18("3","2","7","7","6","9","1") = "8"
    & skf18("3","2","7","7","6","10","1") = "9"
    & skf18("3","2","7","7","7","1","1") = "6"
    & skf18("3","2","7","7","7","2","1") = "6"
    & skf18("3","2","7","7","7","3","1") = "6"
    & skf18("3","2","7","7","7","4","1") = "6"
    & skf18("3","2","7","7","7","5","1") = "6"
    & skf18("3","2","7","7","7","6","1") = "6"
    & skf18("3","2","7","7","7","7","1") = "6"
    & skf18("3","2","7","7","7","8","1") = "7"
    & skf18("3","2","7","7","7","9","1") = "8"
    & skf18("3","2","7","7","7","10","1") = "9"
    & skf18("3","2","7","7","8","1","1") = "7"
    & skf18("3","2","7","7","8","2","1") = "7"
    & skf18("3","2","7","7","8","3","1") = "7"
    & skf18("3","2","7","7","8","4","1") = "7"
    & skf18("3","2","7","7","8","5","1") = "7"
    & skf18("3","2","7","7","8","6","1") = "7"
    & skf18("3","2","7","7","8","7","1") = "7"
    & skf18("3","2","7","7","8","8","1") = "7"
    & skf18("3","2","7","7","8","9","1") = "8"
    & skf18("3","2","7","7","8","10","1") = "9"
    & skf18("3","2","7","7","9","1","1") = "8"
    & skf18("3","2","7","7","9","2","1") = "8"
    & skf18("3","2","7","7","9","3","1") = "8"
    & skf18("3","2","7","7","9","4","1") = "8"
    & skf18("3","2","7","7","9","5","1") = "8"
    & skf18("3","2","7","7","9","6","1") = "8"
    & skf18("3","2","7","7","9","7","1") = "8"
    & skf18("3","2","7","7","9","8","1") = "8"
    & skf18("3","2","7","7","9","9","1") = "8"
    & skf18("3","2","7","7","9","10","1") = "9"
    & skf18("3","2","7","7","10","1","1") = "9"
    & skf18("3","2","7","7","10","2","1") = "9"
    & skf18("3","2","7","7","10","3","1") = "9"
    & skf18("3","2","7","7","10","4","1") = "9"
    & skf18("3","2","7","7","10","5","1") = "9"
    & skf18("3","2","7","7","10","6","1") = "9"
    & skf18("3","2","7","7","10","7","1") = "9"
    & skf18("3","2","7","7","10","8","1") = "9"
    & skf18("3","2","7","7","10","9","1") = "9"
    & skf18("3","2","7","7","10","10","1") = "9"
    & skf18("3","2","7","8","1","1","1") = "7"
    & skf18("3","2","7","8","1","2","1") = "7"
    & skf18("3","2","7","8","1","3","1") = "7"
    & skf18("3","2","7","8","1","4","1") = "7"
    & skf18("3","2","7","8","1","5","1") = "7"
    & skf18("3","2","7","8","1","6","1") = "7"
    & skf18("3","2","7","8","1","7","1") = "7"
    & skf18("3","2","7","8","1","8","1") = "7"
    & skf18("3","2","7","8","1","9","1") = "8"
    & skf18("3","2","7","8","1","10","1") = "9"
    & skf18("3","2","7","8","2","1","1") = "7"
    & skf18("3","2","7","8","2","2","1") = "7"
    & skf18("3","2","7","8","2","3","1") = "7"
    & skf18("3","2","7","8","2","4","1") = "7"
    & skf18("3","2","7","8","2","5","1") = "7"
    & skf18("3","2","7","8","2","6","1") = "7"
    & skf18("3","2","7","8","2","7","1") = "7"
    & skf18("3","2","7","8","2","8","1") = "7"
    & skf18("3","2","7","8","2","9","1") = "8"
    & skf18("3","2","7","8","2","10","1") = "9"
    & skf18("3","2","7","8","3","1","1") = "7"
    & skf18("3","2","7","8","3","2","1") = "7"
    & skf18("3","2","7","8","3","3","1") = "7"
    & skf18("3","2","7","8","3","4","1") = "7"
    & skf18("3","2","7","8","3","5","1") = "7"
    & skf18("3","2","7","8","3","6","1") = "7"
    & skf18("3","2","7","8","3","7","1") = "7"
    & skf18("3","2","7","8","3","8","1") = "7"
    & skf18("3","2","7","8","3","9","1") = "8"
    & skf18("3","2","7","8","3","10","1") = "9"
    & skf18("3","2","7","8","4","1","1") = "7"
    & skf18("3","2","7","8","4","2","1") = "7"
    & skf18("3","2","7","8","4","3","1") = "7"
    & skf18("3","2","7","8","4","4","1") = "7"
    & skf18("3","2","7","8","4","5","1") = "7"
    & skf18("3","2","7","8","4","6","1") = "7"
    & skf18("3","2","7","8","4","7","1") = "7"
    & skf18("3","2","7","8","4","8","1") = "7"
    & skf18("3","2","7","8","4","9","1") = "8"
    & skf18("3","2","7","8","4","10","1") = "9"
    & skf18("3","2","7","8","5","1","1") = "7"
    & skf18("3","2","7","8","5","2","1") = "7"
    & skf18("3","2","7","8","5","3","1") = "7"
    & skf18("3","2","7","8","5","4","1") = "7"
    & skf18("3","2","7","8","5","5","1") = "7"
    & skf18("3","2","7","8","5","6","1") = "7"
    & skf18("3","2","7","8","5","7","1") = "7"
    & skf18("3","2","7","8","5","8","1") = "7"
    & skf18("3","2","7","8","5","9","1") = "8"
    & skf18("3","2","7","8","5","10","1") = "9"
    & skf18("3","2","7","8","6","1","1") = "7"
    & skf18("3","2","7","8","6","2","1") = "7"
    & skf18("3","2","7","8","6","3","1") = "7"
    & skf18("3","2","7","8","6","4","1") = "7"
    & skf18("3","2","7","8","6","5","1") = "7"
    & skf18("3","2","7","8","6","6","1") = "7"
    & skf18("3","2","7","8","6","7","1") = "7"
    & skf18("3","2","7","8","6","8","1") = "7"
    & skf18("3","2","7","8","6","9","1") = "8"
    & skf18("3","2","7","8","6","10","1") = "9"
    & skf18("3","2","7","8","7","1","1") = "7"
    & skf18("3","2","7","8","7","2","1") = "7"
    & skf18("3","2","7","8","7","3","1") = "7"
    & skf18("3","2","7","8","7","4","1") = "7"
    & skf18("3","2","7","8","7","5","1") = "7"
    & skf18("3","2","7","8","7","6","1") = "7"
    & skf18("3","2","7","8","7","7","1") = "7"
    & skf18("3","2","7","8","7","8","1") = "7"
    & skf18("3","2","7","8","7","9","1") = "8"
    & skf18("3","2","7","8","7","10","1") = "9"
    & skf18("3","2","7","8","8","1","1") = "7"
    & skf18("3","2","7","8","8","2","1") = "7"
    & skf18("3","2","7","8","8","3","1") = "7"
    & skf18("3","2","7","8","8","4","1") = "7"
    & skf18("3","2","7","8","8","5","1") = "7"
    & skf18("3","2","7","8","8","6","1") = "7"
    & skf18("3","2","7","8","8","7","1") = "7"
    & skf18("3","2","7","8","8","8","1") = "7"
    & skf18("3","2","7","8","8","9","1") = "8"
    & skf18("3","2","7","8","8","10","1") = "9"
    & skf18("3","2","7","8","9","1","1") = "8"
    & skf18("3","2","7","8","9","2","1") = "8"
    & skf18("3","2","7","8","9","3","1") = "8"
    & skf18("3","2","7","8","9","4","1") = "8"
    & skf18("3","2","7","8","9","5","1") = "8"
    & skf18("3","2","7","8","9","6","1") = "8"
    & skf18("3","2","7","8","9","7","1") = "8"
    & skf18("3","2","7","8","9","8","1") = "8"
    & skf18("3","2","7","8","9","9","1") = "8"
    & skf18("3","2","7","8","9","10","1") = "9"
    & skf18("3","2","7","8","10","1","1") = "9"
    & skf18("3","2","7","8","10","2","1") = "9"
    & skf18("3","2","7","8","10","3","1") = "9"
    & skf18("3","2","7","8","10","4","1") = "9"
    & skf18("3","2","7","8","10","5","1") = "9"
    & skf18("3","2","7","8","10","6","1") = "9"
    & skf18("3","2","7","8","10","7","1") = "9"
    & skf18("3","2","7","8","10","8","1") = "9"
    & skf18("3","2","7","8","10","9","1") = "9"
    & skf18("3","2","7","8","10","10","1") = "9"
    & skf18("3","2","7","9","1","1","1") = "8"
    & skf18("3","2","7","9","1","2","1") = "8"
    & skf18("3","2","7","9","1","3","1") = "8"
    & skf18("3","2","7","9","1","4","1") = "8"
    & skf18("3","2","7","9","1","5","1") = "8"
    & skf18("3","2","7","9","1","6","1") = "8"
    & skf18("3","2","7","9","1","7","1") = "8"
    & skf18("3","2","7","9","1","8","1") = "8"
    & skf18("3","2","7","9","1","9","1") = "8"
    & skf18("3","2","7","9","1","10","1") = "9"
    & skf18("3","2","7","9","2","1","1") = "8"
    & skf18("3","2","7","9","2","2","1") = "8"
    & skf18("3","2","7","9","2","3","1") = "8"
    & skf18("3","2","7","9","2","4","1") = "8"
    & skf18("3","2","7","9","2","5","1") = "8"
    & skf18("3","2","7","9","2","6","1") = "8"
    & skf18("3","2","7","9","2","7","1") = "8"
    & skf18("3","2","7","9","2","8","1") = "8"
    & skf18("3","2","7","9","2","9","1") = "8"
    & skf18("3","2","7","9","2","10","1") = "9"
    & skf18("3","2","7","9","3","1","1") = "8"
    & skf18("3","2","7","9","3","2","1") = "8"
    & skf18("3","2","7","9","3","3","1") = "8"
    & skf18("3","2","7","9","3","4","1") = "8"
    & skf18("3","2","7","9","3","5","1") = "8"
    & skf18("3","2","7","9","3","6","1") = "8"
    & skf18("3","2","7","9","3","7","1") = "8"
    & skf18("3","2","7","9","3","8","1") = "8"
    & skf18("3","2","7","9","3","9","1") = "8"
    & skf18("3","2","7","9","3","10","1") = "9"
    & skf18("3","2","7","9","4","1","1") = "8"
    & skf18("3","2","7","9","4","2","1") = "8"
    & skf18("3","2","7","9","4","3","1") = "8"
    & skf18("3","2","7","9","4","4","1") = "8"
    & skf18("3","2","7","9","4","5","1") = "8"
    & skf18("3","2","7","9","4","6","1") = "8"
    & skf18("3","2","7","9","4","7","1") = "8"
    & skf18("3","2","7","9","4","8","1") = "8"
    & skf18("3","2","7","9","4","9","1") = "8"
    & skf18("3","2","7","9","4","10","1") = "9"
    & skf18("3","2","7","9","5","1","1") = "8"
    & skf18("3","2","7","9","5","2","1") = "8"
    & skf18("3","2","7","9","5","3","1") = "8"
    & skf18("3","2","7","9","5","4","1") = "8"
    & skf18("3","2","7","9","5","5","1") = "8"
    & skf18("3","2","7","9","5","6","1") = "8"
    & skf18("3","2","7","9","5","7","1") = "8"
    & skf18("3","2","7","9","5","8","1") = "8"
    & skf18("3","2","7","9","5","9","1") = "8"
    & skf18("3","2","7","9","5","10","1") = "9"
    & skf18("3","2","7","9","6","1","1") = "8"
    & skf18("3","2","7","9","6","2","1") = "8"
    & skf18("3","2","7","9","6","3","1") = "8"
    & skf18("3","2","7","9","6","4","1") = "8"
    & skf18("3","2","7","9","6","5","1") = "8"
    & skf18("3","2","7","9","6","6","1") = "8"
    & skf18("3","2","7","9","6","7","1") = "8"
    & skf18("3","2","7","9","6","8","1") = "8"
    & skf18("3","2","7","9","6","9","1") = "8"
    & skf18("3","2","7","9","6","10","1") = "9"
    & skf18("3","2","7","9","7","1","1") = "8"
    & skf18("3","2","7","9","7","2","1") = "8"
    & skf18("3","2","7","9","7","3","1") = "8"
    & skf18("3","2","7","9","7","4","1") = "8"
    & skf18("3","2","7","9","7","5","1") = "8"
    & skf18("3","2","7","9","7","6","1") = "8"
    & skf18("3","2","7","9","7","7","1") = "8"
    & skf18("3","2","7","9","7","8","1") = "8"
    & skf18("3","2","7","9","7","9","1") = "8"
    & skf18("3","2","7","9","7","10","1") = "9"
    & skf18("3","2","7","9","8","1","1") = "8"
    & skf18("3","2","7","9","8","2","1") = "8"
    & skf18("3","2","7","9","8","3","1") = "8"
    & skf18("3","2","7","9","8","4","1") = "8"
    & skf18("3","2","7","9","8","5","1") = "8"
    & skf18("3","2","7","9","8","6","1") = "8"
    & skf18("3","2","7","9","8","7","1") = "8"
    & skf18("3","2","7","9","8","8","1") = "8"
    & skf18("3","2","7","9","8","9","1") = "8"
    & skf18("3","2","7","9","8","10","1") = "9"
    & skf18("3","2","7","9","9","1","1") = "8"
    & skf18("3","2","7","9","9","2","1") = "8"
    & skf18("3","2","7","9","9","3","1") = "8"
    & skf18("3","2","7","9","9","4","1") = "8"
    & skf18("3","2","7","9","9","5","1") = "8"
    & skf18("3","2","7","9","9","6","1") = "8"
    & skf18("3","2","7","9","9","7","1") = "8"
    & skf18("3","2","7","9","9","8","1") = "8"
    & skf18("3","2","7","9","9","9","1") = "8"
    & skf18("3","2","7","9","9","10","1") = "9"
    & skf18("3","2","7","9","10","1","1") = "9"
    & skf18("3","2","7","9","10","2","1") = "9"
    & skf18("3","2","7","9","10","3","1") = "9"
    & skf18("3","2","7","9","10","4","1") = "9"
    & skf18("3","2","7","9","10","5","1") = "9"
    & skf18("3","2","7","9","10","6","1") = "9"
    & skf18("3","2","7","9","10","7","1") = "9"
    & skf18("3","2","7","9","10","8","1") = "9"
    & skf18("3","2","7","9","10","9","1") = "9"
    & skf18("3","2","7","9","10","10","1") = "9"
    & skf18("3","2","7","10","1","1","1") = "9"
    & skf18("3","2","7","10","1","2","1") = "9"
    & skf18("3","2","7","10","1","3","1") = "9"
    & skf18("3","2","7","10","1","4","1") = "9"
    & skf18("3","2","7","10","1","5","1") = "9"
    & skf18("3","2","7","10","1","6","1") = "9"
    & skf18("3","2","7","10","1","7","1") = "9"
    & skf18("3","2","7","10","1","8","1") = "9"
    & skf18("3","2","7","10","1","9","1") = "9"
    & skf18("3","2","7","10","1","10","1") = "9"
    & skf18("3","2","7","10","2","1","1") = "9"
    & skf18("3","2","7","10","2","2","1") = "9"
    & skf18("3","2","7","10","2","3","1") = "9"
    & skf18("3","2","7","10","2","4","1") = "9"
    & skf18("3","2","7","10","2","5","1") = "9"
    & skf18("3","2","7","10","2","6","1") = "9"
    & skf18("3","2","7","10","2","7","1") = "9"
    & skf18("3","2","7","10","2","8","1") = "9"
    & skf18("3","2","7","10","2","9","1") = "9"
    & skf18("3","2","7","10","2","10","1") = "9"
    & skf18("3","2","7","10","3","1","1") = "9"
    & skf18("3","2","7","10","3","2","1") = "9"
    & skf18("3","2","7","10","3","3","1") = "9"
    & skf18("3","2","7","10","3","4","1") = "9"
    & skf18("3","2","7","10","3","5","1") = "9"
    & skf18("3","2","7","10","3","6","1") = "9"
    & skf18("3","2","7","10","3","7","1") = "9"
    & skf18("3","2","7","10","3","8","1") = "9"
    & skf18("3","2","7","10","3","9","1") = "9"
    & skf18("3","2","7","10","3","10","1") = "9"
    & skf18("3","2","7","10","4","1","1") = "9"
    & skf18("3","2","7","10","4","2","1") = "9"
    & skf18("3","2","7","10","4","3","1") = "9"
    & skf18("3","2","7","10","4","4","1") = "9"
    & skf18("3","2","7","10","4","5","1") = "9"
    & skf18("3","2","7","10","4","6","1") = "9"
    & skf18("3","2","7","10","4","7","1") = "9"
    & skf18("3","2","7","10","4","8","1") = "9"
    & skf18("3","2","7","10","4","9","1") = "9"
    & skf18("3","2","7","10","4","10","1") = "9"
    & skf18("3","2","7","10","5","1","1") = "9"
    & skf18("3","2","7","10","5","2","1") = "9"
    & skf18("3","2","7","10","5","3","1") = "9"
    & skf18("3","2","7","10","5","4","1") = "9"
    & skf18("3","2","7","10","5","5","1") = "9"
    & skf18("3","2","7","10","5","6","1") = "9"
    & skf18("3","2","7","10","5","7","1") = "9"
    & skf18("3","2","7","10","5","8","1") = "9"
    & skf18("3","2","7","10","5","9","1") = "9"
    & skf18("3","2","7","10","5","10","1") = "9"
    & skf18("3","2","7","10","6","1","1") = "9"
    & skf18("3","2","7","10","6","2","1") = "9"
    & skf18("3","2","7","10","6","3","1") = "9"
    & skf18("3","2","7","10","6","4","1") = "9"
    & skf18("3","2","7","10","6","5","1") = "9"
    & skf18("3","2","7","10","6","6","1") = "9"
    & skf18("3","2","7","10","6","7","1") = "9"
    & skf18("3","2","7","10","6","8","1") = "9"
    & skf18("3","2","7","10","6","9","1") = "9"
    & skf18("3","2","7","10","6","10","1") = "9"
    & skf18("3","2","7","10","7","1","1") = "9"
    & skf18("3","2","7","10","7","2","1") = "9"
    & skf18("3","2","7","10","7","3","1") = "9"
    & skf18("3","2","7","10","7","4","1") = "9"
    & skf18("3","2","7","10","7","5","1") = "9"
    & skf18("3","2","7","10","7","6","1") = "9"
    & skf18("3","2","7","10","7","7","1") = "9"
    & skf18("3","2","7","10","7","8","1") = "9"
    & skf18("3","2","7","10","7","9","1") = "9"
    & skf18("3","2","7","10","7","10","1") = "9"
    & skf18("3","2","7","10","8","1","1") = "9"
    & skf18("3","2","7","10","8","2","1") = "9"
    & skf18("3","2","7","10","8","3","1") = "9"
    & skf18("3","2","7","10","8","4","1") = "9"
    & skf18("3","2","7","10","8","5","1") = "9"
    & skf18("3","2","7","10","8","6","1") = "9"
    & skf18("3","2","7","10","8","7","1") = "9"
    & skf18("3","2","7","10","8","8","1") = "9"
    & skf18("3","2","7","10","8","9","1") = "9"
    & skf18("3","2","7","10","8","10","1") = "9"
    & skf18("3","2","7","10","9","1","1") = "9"
    & skf18("3","2","7","10","9","2","1") = "9"
    & skf18("3","2","7","10","9","3","1") = "9"
    & skf18("3","2","7","10","9","4","1") = "9"
    & skf18("3","2","7","10","9","5","1") = "9"
    & skf18("3","2","7","10","9","6","1") = "9"
    & skf18("3","2","7","10","9","7","1") = "9"
    & skf18("3","2","7","10","9","8","1") = "9"
    & skf18("3","2","7","10","9","9","1") = "9"
    & skf18("3","2","7","10","9","10","1") = "9"
    & skf18("3","2","7","10","10","1","1") = "9"
    & skf18("3","2","7","10","10","2","1") = "9"
    & skf18("3","2","7","10","10","3","1") = "9"
    & skf18("3","2","7","10","10","4","1") = "9"
    & skf18("3","2","7","10","10","5","1") = "9"
    & skf18("3","2","7","10","10","6","1") = "9"
    & skf18("3","2","7","10","10","7","1") = "9"
    & skf18("3","2","7","10","10","8","1") = "9"
    & skf18("3","2","7","10","10","9","1") = "9"
    & skf18("3","2","7","10","10","10","1") = "9"
    & skf18("3","2","8","1","1","1","1") = "7"
    & skf18("3","2","8","1","1","2","1") = "7"
    & skf18("3","2","8","1","1","3","1") = "7"
    & skf18("3","2","8","1","1","4","1") = "7"
    & skf18("3","2","8","1","1","5","1") = "7"
    & skf18("3","2","8","1","1","6","1") = "7"
    & skf18("3","2","8","1","1","7","1") = "7"
    & skf18("3","2","8","1","1","8","1") = "7"
    & skf18("3","2","8","1","1","9","1") = "8"
    & skf18("3","2","8","1","1","10","1") = "9"
    & skf18("3","2","8","1","2","1","1") = "7"
    & skf18("3","2","8","1","2","2","1") = "7"
    & skf18("3","2","8","1","2","3","1") = "7"
    & skf18("3","2","8","1","2","4","1") = "7"
    & skf18("3","2","8","1","2","5","1") = "7"
    & skf18("3","2","8","1","2","6","1") = "7"
    & skf18("3","2","8","1","2","7","1") = "7"
    & skf18("3","2","8","1","2","8","1") = "7"
    & skf18("3","2","8","1","2","9","1") = "8"
    & skf18("3","2","8","1","2","10","1") = "9"
    & skf18("3","2","8","1","3","1","1") = "7"
    & skf18("3","2","8","1","3","2","1") = "7"
    & skf18("3","2","8","1","3","3","1") = "7"
    & skf18("3","2","8","1","3","4","1") = "7"
    & skf18("3","2","8","1","3","5","1") = "7"
    & skf18("3","2","8","1","3","6","1") = "7"
    & skf18("3","2","8","1","3","7","1") = "7"
    & skf18("3","2","8","1","3","8","1") = "7"
    & skf18("3","2","8","1","3","9","1") = "8"
    & skf18("3","2","8","1","3","10","1") = "9"
    & skf18("3","2","8","1","4","1","1") = "7"
    & skf18("3","2","8","1","4","2","1") = "7"
    & skf18("3","2","8","1","4","3","1") = "7"
    & skf18("3","2","8","1","4","4","1") = "7"
    & skf18("3","2","8","1","4","5","1") = "7"
    & skf18("3","2","8","1","4","6","1") = "7"
    & skf18("3","2","8","1","4","7","1") = "7"
    & skf18("3","2","8","1","4","8","1") = "7"
    & skf18("3","2","8","1","4","9","1") = "8"
    & skf18("3","2","8","1","4","10","1") = "9"
    & skf18("3","2","8","1","5","1","1") = "7"
    & skf18("3","2","8","1","5","2","1") = "7"
    & skf18("3","2","8","1","5","3","1") = "7"
    & skf18("3","2","8","1","5","4","1") = "7"
    & skf18("3","2","8","1","5","5","1") = "7"
    & skf18("3","2","8","1","5","6","1") = "7"
    & skf18("3","2","8","1","5","7","1") = "7"
    & skf18("3","2","8","1","5","8","1") = "7"
    & skf18("3","2","8","1","5","9","1") = "8"
    & skf18("3","2","8","1","5","10","1") = "9"
    & skf18("3","2","8","1","6","1","1") = "7"
    & skf18("3","2","8","1","6","2","1") = "7"
    & skf18("3","2","8","1","6","3","1") = "7"
    & skf18("3","2","8","1","6","4","1") = "7"
    & skf18("3","2","8","1","6","5","1") = "7"
    & skf18("3","2","8","1","6","6","1") = "7"
    & skf18("3","2","8","1","6","7","1") = "7"
    & skf18("3","2","8","1","6","8","1") = "7"
    & skf18("3","2","8","1","6","9","1") = "8"
    & skf18("3","2","8","1","6","10","1") = "9"
    & skf18("3","2","8","1","7","1","1") = "7"
    & skf18("3","2","8","1","7","2","1") = "7"
    & skf18("3","2","8","1","7","3","1") = "7"
    & skf18("3","2","8","1","7","4","1") = "7"
    & skf18("3","2","8","1","7","5","1") = "7"
    & skf18("3","2","8","1","7","6","1") = "7"
    & skf18("3","2","8","1","7","7","1") = "7"
    & skf18("3","2","8","1","7","8","1") = "7"
    & skf18("3","2","8","1","7","9","1") = "8"
    & skf18("3","2","8","1","7","10","1") = "9"
    & skf18("3","2","8","1","8","1","1") = "7"
    & skf18("3","2","8","1","8","2","1") = "7"
    & skf18("3","2","8","1","8","3","1") = "7"
    & skf18("3","2","8","1","8","4","1") = "7"
    & skf18("3","2","8","1","8","5","1") = "7"
    & skf18("3","2","8","1","8","6","1") = "7"
    & skf18("3","2","8","1","8","7","1") = "7"
    & skf18("3","2","8","1","8","8","1") = "7"
    & skf18("3","2","8","1","8","9","1") = "8"
    & skf18("3","2","8","1","8","10","1") = "9"
    & skf18("3","2","8","1","9","1","1") = "8"
    & skf18("3","2","8","1","9","2","1") = "8"
    & skf18("3","2","8","1","9","3","1") = "8"
    & skf18("3","2","8","1","9","4","1") = "8"
    & skf18("3","2","8","1","9","5","1") = "8"
    & skf18("3","2","8","1","9","6","1") = "8"
    & skf18("3","2","8","1","9","7","1") = "8"
    & skf18("3","2","8","1","9","8","1") = "8"
    & skf18("3","2","8","1","9","9","1") = "8"
    & skf18("3","2","8","1","9","10","1") = "9"
    & skf18("3","2","8","1","10","1","1") = "9"
    & skf18("3","2","8","1","10","2","1") = "9"
    & skf18("3","2","8","1","10","3","1") = "9"
    & skf18("3","2","8","1","10","4","1") = "9"
    & skf18("3","2","8","1","10","5","1") = "9"
    & skf18("3","2","8","1","10","6","1") = "9"
    & skf18("3","2","8","1","10","7","1") = "9"
    & skf18("3","2","8","1","10","8","1") = "9"
    & skf18("3","2","8","1","10","9","1") = "9"
    & skf18("3","2","8","1","10","10","1") = "9"
    & skf18("3","2","8","2","1","1","1") = "7"
    & skf18("3","2","8","2","1","2","1") = "7"
    & skf18("3","2","8","2","1","3","1") = "7"
    & skf18("3","2","8","2","1","4","1") = "7"
    & skf18("3","2","8","2","1","5","1") = "7"
    & skf18("3","2","8","2","1","6","1") = "7"
    & skf18("3","2","8","2","1","7","1") = "7"
    & skf18("3","2","8","2","1","8","1") = "7"
    & skf18("3","2","8","2","1","9","1") = "8"
    & skf18("3","2","8","2","1","10","1") = "9"
    & skf18("3","2","8","2","2","1","1") = "7"
    & skf18("3","2","8","2","2","2","1") = "7"
    & skf18("3","2","8","2","2","3","1") = "7"
    & skf18("3","2","8","2","2","4","1") = "7"
    & skf18("3","2","8","2","2","5","1") = "7"
    & skf18("3","2","8","2","2","6","1") = "7"
    & skf18("3","2","8","2","2","7","1") = "7"
    & skf18("3","2","8","2","2","8","1") = "7"
    & skf18("3","2","8","2","2","9","1") = "8"
    & skf18("3","2","8","2","2","10","1") = "9"
    & skf18("3","2","8","2","3","1","1") = "7"
    & skf18("3","2","8","2","3","2","1") = "7"
    & skf18("3","2","8","2","3","3","1") = "7"
    & skf18("3","2","8","2","3","4","1") = "7"
    & skf18("3","2","8","2","3","5","1") = "7"
    & skf18("3","2","8","2","3","6","1") = "7"
    & skf18("3","2","8","2","3","7","1") = "7"
    & skf18("3","2","8","2","3","8","1") = "7"
    & skf18("3","2","8","2","3","9","1") = "8"
    & skf18("3","2","8","2","3","10","1") = "9"
    & skf18("3","2","8","2","4","1","1") = "7"
    & skf18("3","2","8","2","4","2","1") = "7"
    & skf18("3","2","8","2","4","3","1") = "7"
    & skf18("3","2","8","2","4","4","1") = "7"
    & skf18("3","2","8","2","4","5","1") = "7"
    & skf18("3","2","8","2","4","6","1") = "7"
    & skf18("3","2","8","2","4","7","1") = "7"
    & skf18("3","2","8","2","4","8","1") = "7"
    & skf18("3","2","8","2","4","9","1") = "8"
    & skf18("3","2","8","2","4","10","1") = "9"
    & skf18("3","2","8","2","5","1","1") = "7"
    & skf18("3","2","8","2","5","2","1") = "7"
    & skf18("3","2","8","2","5","3","1") = "7"
    & skf18("3","2","8","2","5","4","1") = "7"
    & skf18("3","2","8","2","5","5","1") = "7"
    & skf18("3","2","8","2","5","6","1") = "7"
    & skf18("3","2","8","2","5","7","1") = "7"
    & skf18("3","2","8","2","5","8","1") = "7"
    & skf18("3","2","8","2","5","9","1") = "8"
    & skf18("3","2","8","2","5","10","1") = "9"
    & skf18("3","2","8","2","6","1","1") = "7"
    & skf18("3","2","8","2","6","2","1") = "7"
    & skf18("3","2","8","2","6","3","1") = "7"
    & skf18("3","2","8","2","6","4","1") = "7"
    & skf18("3","2","8","2","6","5","1") = "7"
    & skf18("3","2","8","2","6","6","1") = "7"
    & skf18("3","2","8","2","6","7","1") = "7"
    & skf18("3","2","8","2","6","8","1") = "7"
    & skf18("3","2","8","2","6","9","1") = "8"
    & skf18("3","2","8","2","6","10","1") = "9"
    & skf18("3","2","8","2","7","1","1") = "7"
    & skf18("3","2","8","2","7","2","1") = "7"
    & skf18("3","2","8","2","7","3","1") = "7"
    & skf18("3","2","8","2","7","4","1") = "7"
    & skf18("3","2","8","2","7","5","1") = "7"
    & skf18("3","2","8","2","7","6","1") = "7"
    & skf18("3","2","8","2","7","7","1") = "7"
    & skf18("3","2","8","2","7","8","1") = "7"
    & skf18("3","2","8","2","7","9","1") = "8"
    & skf18("3","2","8","2","7","10","1") = "9"
    & skf18("3","2","8","2","8","1","1") = "7"
    & skf18("3","2","8","2","8","2","1") = "7"
    & skf18("3","2","8","2","8","3","1") = "7"
    & skf18("3","2","8","2","8","4","1") = "7"
    & skf18("3","2","8","2","8","5","1") = "7"
    & skf18("3","2","8","2","8","6","1") = "7"
    & skf18("3","2","8","2","8","7","1") = "7"
    & skf18("3","2","8","2","8","8","1") = "7"
    & skf18("3","2","8","2","8","9","1") = "8"
    & skf18("3","2","8","2","8","10","1") = "9"
    & skf18("3","2","8","2","9","1","1") = "8"
    & skf18("3","2","8","2","9","2","1") = "8"
    & skf18("3","2","8","2","9","3","1") = "8"
    & skf18("3","2","8","2","9","4","1") = "8"
    & skf18("3","2","8","2","9","5","1") = "8"
    & skf18("3","2","8","2","9","6","1") = "8"
    & skf18("3","2","8","2","9","7","1") = "8"
    & skf18("3","2","8","2","9","8","1") = "8"
    & skf18("3","2","8","2","9","9","1") = "8"
    & skf18("3","2","8","2","9","10","1") = "9"
    & skf18("3","2","8","2","10","1","1") = "9"
    & skf18("3","2","8","2","10","2","1") = "9"
    & skf18("3","2","8","2","10","3","1") = "9"
    & skf18("3","2","8","2","10","4","1") = "9"
    & skf18("3","2","8","2","10","5","1") = "9"
    & skf18("3","2","8","2","10","6","1") = "9"
    & skf18("3","2","8","2","10","7","1") = "9"
    & skf18("3","2","8","2","10","8","1") = "9"
    & skf18("3","2","8","2","10","9","1") = "9"
    & skf18("3","2","8","2","10","10","1") = "9"
    & skf18("3","2","8","3","1","1","1") = "7"
    & skf18("3","2","8","3","1","2","1") = "7"
    & skf18("3","2","8","3","1","3","1") = "7"
    & skf18("3","2","8","3","1","4","1") = "7"
    & skf18("3","2","8","3","1","5","1") = "7"
    & skf18("3","2","8","3","1","6","1") = "7"
    & skf18("3","2","8","3","1","7","1") = "7"
    & skf18("3","2","8","3","1","8","1") = "7"
    & skf18("3","2","8","3","1","9","1") = "8"
    & skf18("3","2","8","3","1","10","1") = "9"
    & skf18("3","2","8","3","2","1","1") = "7"
    & skf18("3","2","8","3","2","2","1") = "7"
    & skf18("3","2","8","3","2","3","1") = "7"
    & skf18("3","2","8","3","2","4","1") = "7"
    & skf18("3","2","8","3","2","5","1") = "7"
    & skf18("3","2","8","3","2","6","1") = "7"
    & skf18("3","2","8","3","2","7","1") = "7"
    & skf18("3","2","8","3","2","8","1") = "7"
    & skf18("3","2","8","3","2","9","1") = "8"
    & skf18("3","2","8","3","2","10","1") = "9"
    & skf18("3","2","8","3","3","1","1") = "7"
    & skf18("3","2","8","3","3","2","1") = "7"
    & skf18("3","2","8","3","3","3","1") = "7"
    & skf18("3","2","8","3","3","4","1") = "7"
    & skf18("3","2","8","3","3","5","1") = "7"
    & skf18("3","2","8","3","3","6","1") = "7"
    & skf18("3","2","8","3","3","7","1") = "7"
    & skf18("3","2","8","3","3","8","1") = "7"
    & skf18("3","2","8","3","3","9","1") = "8"
    & skf18("3","2","8","3","3","10","1") = "9"
    & skf18("3","2","8","3","4","1","1") = "7"
    & skf18("3","2","8","3","4","2","1") = "7"
    & skf18("3","2","8","3","4","3","1") = "7"
    & skf18("3","2","8","3","4","4","1") = "7"
    & skf18("3","2","8","3","4","5","1") = "7"
    & skf18("3","2","8","3","4","6","1") = "7"
    & skf18("3","2","8","3","4","7","1") = "7"
    & skf18("3","2","8","3","4","8","1") = "7"
    & skf18("3","2","8","3","4","9","1") = "8"
    & skf18("3","2","8","3","4","10","1") = "9"
    & skf18("3","2","8","3","5","1","1") = "7"
    & skf18("3","2","8","3","5","2","1") = "7"
    & skf18("3","2","8","3","5","3","1") = "7"
    & skf18("3","2","8","3","5","4","1") = "7"
    & skf18("3","2","8","3","5","5","1") = "7"
    & skf18("3","2","8","3","5","6","1") = "7"
    & skf18("3","2","8","3","5","7","1") = "7"
    & skf18("3","2","8","3","5","8","1") = "7"
    & skf18("3","2","8","3","5","9","1") = "8"
    & skf18("3","2","8","3","5","10","1") = "9"
    & skf18("3","2","8","3","6","1","1") = "7"
    & skf18("3","2","8","3","6","2","1") = "7"
    & skf18("3","2","8","3","6","3","1") = "7"
    & skf18("3","2","8","3","6","4","1") = "7"
    & skf18("3","2","8","3","6","5","1") = "7"
    & skf18("3","2","8","3","6","6","1") = "7"
    & skf18("3","2","8","3","6","7","1") = "7"
    & skf18("3","2","8","3","6","8","1") = "7"
    & skf18("3","2","8","3","6","9","1") = "8"
    & skf18("3","2","8","3","6","10","1") = "9"
    & skf18("3","2","8","3","7","1","1") = "7"
    & skf18("3","2","8","3","7","2","1") = "7"
    & skf18("3","2","8","3","7","3","1") = "7"
    & skf18("3","2","8","3","7","4","1") = "7"
    & skf18("3","2","8","3","7","5","1") = "7"
    & skf18("3","2","8","3","7","6","1") = "7"
    & skf18("3","2","8","3","7","7","1") = "7"
    & skf18("3","2","8","3","7","8","1") = "7"
    & skf18("3","2","8","3","7","9","1") = "8"
    & skf18("3","2","8","3","7","10","1") = "9"
    & skf18("3","2","8","3","8","1","1") = "7"
    & skf18("3","2","8","3","8","2","1") = "7"
    & skf18("3","2","8","3","8","3","1") = "7"
    & skf18("3","2","8","3","8","4","1") = "7"
    & skf18("3","2","8","3","8","5","1") = "7"
    & skf18("3","2","8","3","8","6","1") = "7"
    & skf18("3","2","8","3","8","7","1") = "7"
    & skf18("3","2","8","3","8","8","1") = "7"
    & skf18("3","2","8","3","8","9","1") = "8"
    & skf18("3","2","8","3","8","10","1") = "9"
    & skf18("3","2","8","3","9","1","1") = "8"
    & skf18("3","2","8","3","9","2","1") = "8"
    & skf18("3","2","8","3","9","3","1") = "8"
    & skf18("3","2","8","3","9","4","1") = "8"
    & skf18("3","2","8","3","9","5","1") = "8"
    & skf18("3","2","8","3","9","6","1") = "8"
    & skf18("3","2","8","3","9","7","1") = "8"
    & skf18("3","2","8","3","9","8","1") = "8"
    & skf18("3","2","8","3","9","9","1") = "8"
    & skf18("3","2","8","3","9","10","1") = "9"
    & skf18("3","2","8","3","10","1","1") = "9"
    & skf18("3","2","8","3","10","2","1") = "9"
    & skf18("3","2","8","3","10","3","1") = "9"
    & skf18("3","2","8","3","10","4","1") = "9"
    & skf18("3","2","8","3","10","5","1") = "9"
    & skf18("3","2","8","3","10","6","1") = "9"
    & skf18("3","2","8","3","10","7","1") = "9"
    & skf18("3","2","8","3","10","8","1") = "9"
    & skf18("3","2","8","3","10","9","1") = "9"
    & skf18("3","2","8","3","10","10","1") = "9"
    & skf18("3","2","8","4","1","1","1") = "7"
    & skf18("3","2","8","4","1","2","1") = "7"
    & skf18("3","2","8","4","1","3","1") = "7"
    & skf18("3","2","8","4","1","4","1") = "7"
    & skf18("3","2","8","4","1","5","1") = "7"
    & skf18("3","2","8","4","1","6","1") = "7"
    & skf18("3","2","8","4","1","7","1") = "7"
    & skf18("3","2","8","4","1","8","1") = "7"
    & skf18("3","2","8","4","1","9","1") = "8"
    & skf18("3","2","8","4","1","10","1") = "9"
    & skf18("3","2","8","4","2","1","1") = "7"
    & skf18("3","2","8","4","2","2","1") = "7"
    & skf18("3","2","8","4","2","3","1") = "7"
    & skf18("3","2","8","4","2","4","1") = "7"
    & skf18("3","2","8","4","2","5","1") = "7"
    & skf18("3","2","8","4","2","6","1") = "7"
    & skf18("3","2","8","4","2","7","1") = "7"
    & skf18("3","2","8","4","2","8","1") = "7"
    & skf18("3","2","8","4","2","9","1") = "8"
    & skf18("3","2","8","4","2","10","1") = "9"
    & skf18("3","2","8","4","3","1","1") = "7"
    & skf18("3","2","8","4","3","2","1") = "7"
    & skf18("3","2","8","4","3","3","1") = "7"
    & skf18("3","2","8","4","3","4","1") = "7"
    & skf18("3","2","8","4","3","5","1") = "7"
    & skf18("3","2","8","4","3","6","1") = "7"
    & skf18("3","2","8","4","3","7","1") = "7"
    & skf18("3","2","8","4","3","8","1") = "7"
    & skf18("3","2","8","4","3","9","1") = "8"
    & skf18("3","2","8","4","3","10","1") = "9"
    & skf18("3","2","8","4","4","1","1") = "7"
    & skf18("3","2","8","4","4","2","1") = "7"
    & skf18("3","2","8","4","4","3","1") = "7"
    & skf18("3","2","8","4","4","4","1") = "7"
    & skf18("3","2","8","4","4","5","1") = "7"
    & skf18("3","2","8","4","4","6","1") = "7"
    & skf18("3","2","8","4","4","7","1") = "7"
    & skf18("3","2","8","4","4","8","1") = "7"
    & skf18("3","2","8","4","4","9","1") = "8"
    & skf18("3","2","8","4","4","10","1") = "9"
    & skf18("3","2","8","4","5","1","1") = "7"
    & skf18("3","2","8","4","5","2","1") = "7"
    & skf18("3","2","8","4","5","3","1") = "7"
    & skf18("3","2","8","4","5","4","1") = "7"
    & skf18("3","2","8","4","5","5","1") = "7"
    & skf18("3","2","8","4","5","6","1") = "7"
    & skf18("3","2","8","4","5","7","1") = "7"
    & skf18("3","2","8","4","5","8","1") = "7"
    & skf18("3","2","8","4","5","9","1") = "8"
    & skf18("3","2","8","4","5","10","1") = "9"
    & skf18("3","2","8","4","6","1","1") = "7"
    & skf18("3","2","8","4","6","2","1") = "7"
    & skf18("3","2","8","4","6","3","1") = "7"
    & skf18("3","2","8","4","6","4","1") = "7"
    & skf18("3","2","8","4","6","5","1") = "7"
    & skf18("3","2","8","4","6","6","1") = "7"
    & skf18("3","2","8","4","6","7","1") = "7"
    & skf18("3","2","8","4","6","8","1") = "7"
    & skf18("3","2","8","4","6","9","1") = "8"
    & skf18("3","2","8","4","6","10","1") = "9"
    & skf18("3","2","8","4","7","1","1") = "7"
    & skf18("3","2","8","4","7","2","1") = "7"
    & skf18("3","2","8","4","7","3","1") = "7"
    & skf18("3","2","8","4","7","4","1") = "7"
    & skf18("3","2","8","4","7","5","1") = "7"
    & skf18("3","2","8","4","7","6","1") = "7"
    & skf18("3","2","8","4","7","7","1") = "7"
    & skf18("3","2","8","4","7","8","1") = "7"
    & skf18("3","2","8","4","7","9","1") = "8"
    & skf18("3","2","8","4","7","10","1") = "9"
    & skf18("3","2","8","4","8","1","1") = "7"
    & skf18("3","2","8","4","8","2","1") = "7"
    & skf18("3","2","8","4","8","3","1") = "7"
    & skf18("3","2","8","4","8","4","1") = "7"
    & skf18("3","2","8","4","8","5","1") = "7"
    & skf18("3","2","8","4","8","6","1") = "7"
    & skf18("3","2","8","4","8","7","1") = "7"
    & skf18("3","2","8","4","8","8","1") = "7"
    & skf18("3","2","8","4","8","9","1") = "8"
    & skf18("3","2","8","4","8","10","1") = "9"
    & skf18("3","2","8","4","9","1","1") = "8"
    & skf18("3","2","8","4","9","2","1") = "8"
    & skf18("3","2","8","4","9","3","1") = "8"
    & skf18("3","2","8","4","9","4","1") = "8"
    & skf18("3","2","8","4","9","5","1") = "8"
    & skf18("3","2","8","4","9","6","1") = "8"
    & skf18("3","2","8","4","9","7","1") = "8"
    & skf18("3","2","8","4","9","8","1") = "8"
    & skf18("3","2","8","4","9","9","1") = "8"
    & skf18("3","2","8","4","9","10","1") = "9"
    & skf18("3","2","8","4","10","1","1") = "9"
    & skf18("3","2","8","4","10","2","1") = "9"
    & skf18("3","2","8","4","10","3","1") = "9"
    & skf18("3","2","8","4","10","4","1") = "9"
    & skf18("3","2","8","4","10","5","1") = "9"
    & skf18("3","2","8","4","10","6","1") = "9"
    & skf18("3","2","8","4","10","7","1") = "9"
    & skf18("3","2","8","4","10","8","1") = "9"
    & skf18("3","2","8","4","10","9","1") = "9"
    & skf18("3","2","8","4","10","10","1") = "9"
    & skf18("3","2","8","5","1","1","1") = "7"
    & skf18("3","2","8","5","1","2","1") = "7"
    & skf18("3","2","8","5","1","3","1") = "7"
    & skf18("3","2","8","5","1","4","1") = "7"
    & skf18("3","2","8","5","1","5","1") = "7"
    & skf18("3","2","8","5","1","6","1") = "7"
    & skf18("3","2","8","5","1","7","1") = "7"
    & skf18("3","2","8","5","1","8","1") = "7"
    & skf18("3","2","8","5","1","9","1") = "8"
    & skf18("3","2","8","5","1","10","1") = "9"
    & skf18("3","2","8","5","2","1","1") = "7"
    & skf18("3","2","8","5","2","2","1") = "7"
    & skf18("3","2","8","5","2","3","1") = "7"
    & skf18("3","2","8","5","2","4","1") = "7"
    & skf18("3","2","8","5","2","5","1") = "7"
    & skf18("3","2","8","5","2","6","1") = "7"
    & skf18("3","2","8","5","2","7","1") = "7"
    & skf18("3","2","8","5","2","8","1") = "7"
    & skf18("3","2","8","5","2","9","1") = "8"
    & skf18("3","2","8","5","2","10","1") = "9"
    & skf18("3","2","8","5","3","1","1") = "7"
    & skf18("3","2","8","5","3","2","1") = "7"
    & skf18("3","2","8","5","3","3","1") = "7"
    & skf18("3","2","8","5","3","4","1") = "7"
    & skf18("3","2","8","5","3","5","1") = "7"
    & skf18("3","2","8","5","3","6","1") = "7"
    & skf18("3","2","8","5","3","7","1") = "7"
    & skf18("3","2","8","5","3","8","1") = "7"
    & skf18("3","2","8","5","3","9","1") = "8"
    & skf18("3","2","8","5","3","10","1") = "9"
    & skf18("3","2","8","5","4","1","1") = "7"
    & skf18("3","2","8","5","4","2","1") = "7"
    & skf18("3","2","8","5","4","3","1") = "7"
    & skf18("3","2","8","5","4","4","1") = "7"
    & skf18("3","2","8","5","4","5","1") = "7"
    & skf18("3","2","8","5","4","6","1") = "7"
    & skf18("3","2","8","5","4","7","1") = "7"
    & skf18("3","2","8","5","4","8","1") = "7"
    & skf18("3","2","8","5","4","9","1") = "8"
    & skf18("3","2","8","5","4","10","1") = "9"
    & skf18("3","2","8","5","5","1","1") = "7"
    & skf18("3","2","8","5","5","2","1") = "7"
    & skf18("3","2","8","5","5","3","1") = "7"
    & skf18("3","2","8","5","5","4","1") = "7"
    & skf18("3","2","8","5","5","5","1") = "7"
    & skf18("3","2","8","5","5","6","1") = "7"
    & skf18("3","2","8","5","5","7","1") = "7"
    & skf18("3","2","8","5","5","8","1") = "7"
    & skf18("3","2","8","5","5","9","1") = "8"
    & skf18("3","2","8","5","5","10","1") = "9"
    & skf18("3","2","8","5","6","1","1") = "7"
    & skf18("3","2","8","5","6","2","1") = "7"
    & skf18("3","2","8","5","6","3","1") = "7"
    & skf18("3","2","8","5","6","4","1") = "7"
    & skf18("3","2","8","5","6","5","1") = "7"
    & skf18("3","2","8","5","6","6","1") = "7"
    & skf18("3","2","8","5","6","7","1") = "7"
    & skf18("3","2","8","5","6","8","1") = "7"
    & skf18("3","2","8","5","6","9","1") = "8"
    & skf18("3","2","8","5","6","10","1") = "9"
    & skf18("3","2","8","5","7","1","1") = "7"
    & skf18("3","2","8","5","7","2","1") = "7"
    & skf18("3","2","8","5","7","3","1") = "7"
    & skf18("3","2","8","5","7","4","1") = "7"
    & skf18("3","2","8","5","7","5","1") = "7"
    & skf18("3","2","8","5","7","6","1") = "7"
    & skf18("3","2","8","5","7","7","1") = "7"
    & skf18("3","2","8","5","7","8","1") = "7"
    & skf18("3","2","8","5","7","9","1") = "8"
    & skf18("3","2","8","5","7","10","1") = "9"
    & skf18("3","2","8","5","8","1","1") = "7"
    & skf18("3","2","8","5","8","2","1") = "7"
    & skf18("3","2","8","5","8","3","1") = "7"
    & skf18("3","2","8","5","8","4","1") = "7"
    & skf18("3","2","8","5","8","5","1") = "7"
    & skf18("3","2","8","5","8","6","1") = "7"
    & skf18("3","2","8","5","8","7","1") = "7"
    & skf18("3","2","8","5","8","8","1") = "7"
    & skf18("3","2","8","5","8","9","1") = "8"
    & skf18("3","2","8","5","8","10","1") = "9"
    & skf18("3","2","8","5","9","1","1") = "8"
    & skf18("3","2","8","5","9","2","1") = "8"
    & skf18("3","2","8","5","9","3","1") = "8"
    & skf18("3","2","8","5","9","4","1") = "8"
    & skf18("3","2","8","5","9","5","1") = "8"
    & skf18("3","2","8","5","9","6","1") = "8"
    & skf18("3","2","8","5","9","7","1") = "8"
    & skf18("3","2","8","5","9","8","1") = "8"
    & skf18("3","2","8","5","9","9","1") = "8"
    & skf18("3","2","8","5","9","10","1") = "9"
    & skf18("3","2","8","5","10","1","1") = "9"
    & skf18("3","2","8","5","10","2","1") = "9"
    & skf18("3","2","8","5","10","3","1") = "9"
    & skf18("3","2","8","5","10","4","1") = "9"
    & skf18("3","2","8","5","10","5","1") = "9"
    & skf18("3","2","8","5","10","6","1") = "9"
    & skf18("3","2","8","5","10","7","1") = "9"
    & skf18("3","2","8","5","10","8","1") = "9"
    & skf18("3","2","8","5","10","9","1") = "9"
    & skf18("3","2","8","5","10","10","1") = "9"
    & skf18("3","2","8","6","1","1","1") = "7"
    & skf18("3","2","8","6","1","2","1") = "7"
    & skf18("3","2","8","6","1","3","1") = "7"
    & skf18("3","2","8","6","1","4","1") = "7"
    & skf18("3","2","8","6","1","5","1") = "7"
    & skf18("3","2","8","6","1","6","1") = "7"
    & skf18("3","2","8","6","1","7","1") = "7"
    & skf18("3","2","8","6","1","8","1") = "7"
    & skf18("3","2","8","6","1","9","1") = "8"
    & skf18("3","2","8","6","1","10","1") = "9"
    & skf18("3","2","8","6","2","1","1") = "7"
    & skf18("3","2","8","6","2","2","1") = "7"
    & skf18("3","2","8","6","2","3","1") = "7"
    & skf18("3","2","8","6","2","4","1") = "7"
    & skf18("3","2","8","6","2","5","1") = "7"
    & skf18("3","2","8","6","2","6","1") = "7"
    & skf18("3","2","8","6","2","7","1") = "7"
    & skf18("3","2","8","6","2","8","1") = "7"
    & skf18("3","2","8","6","2","9","1") = "8"
    & skf18("3","2","8","6","2","10","1") = "9"
    & skf18("3","2","8","6","3","1","1") = "7"
    & skf18("3","2","8","6","3","2","1") = "7"
    & skf18("3","2","8","6","3","3","1") = "7"
    & skf18("3","2","8","6","3","4","1") = "7"
    & skf18("3","2","8","6","3","5","1") = "7"
    & skf18("3","2","8","6","3","6","1") = "7"
    & skf18("3","2","8","6","3","7","1") = "7"
    & skf18("3","2","8","6","3","8","1") = "7"
    & skf18("3","2","8","6","3","9","1") = "8"
    & skf18("3","2","8","6","3","10","1") = "9"
    & skf18("3","2","8","6","4","1","1") = "7"
    & skf18("3","2","8","6","4","2","1") = "7"
    & skf18("3","2","8","6","4","3","1") = "7"
    & skf18("3","2","8","6","4","4","1") = "7"
    & skf18("3","2","8","6","4","5","1") = "7"
    & skf18("3","2","8","6","4","6","1") = "7"
    & skf18("3","2","8","6","4","7","1") = "7"
    & skf18("3","2","8","6","4","8","1") = "7"
    & skf18("3","2","8","6","4","9","1") = "8"
    & skf18("3","2","8","6","4","10","1") = "9"
    & skf18("3","2","8","6","5","1","1") = "7"
    & skf18("3","2","8","6","5","2","1") = "7"
    & skf18("3","2","8","6","5","3","1") = "7"
    & skf18("3","2","8","6","5","4","1") = "7"
    & skf18("3","2","8","6","5","5","1") = "7"
    & skf18("3","2","8","6","5","6","1") = "7"
    & skf18("3","2","8","6","5","7","1") = "7"
    & skf18("3","2","8","6","5","8","1") = "7"
    & skf18("3","2","8","6","5","9","1") = "8"
    & skf18("3","2","8","6","5","10","1") = "9"
    & skf18("3","2","8","6","6","1","1") = "7"
    & skf18("3","2","8","6","6","2","1") = "7"
    & skf18("3","2","8","6","6","3","1") = "7"
    & skf18("3","2","8","6","6","4","1") = "7"
    & skf18("3","2","8","6","6","5","1") = "7"
    & skf18("3","2","8","6","6","6","1") = "7"
    & skf18("3","2","8","6","6","7","1") = "7"
    & skf18("3","2","8","6","6","8","1") = "7"
    & skf18("3","2","8","6","6","9","1") = "8"
    & skf18("3","2","8","6","6","10","1") = "9"
    & skf18("3","2","8","6","7","1","1") = "7"
    & skf18("3","2","8","6","7","2","1") = "7"
    & skf18("3","2","8","6","7","3","1") = "7"
    & skf18("3","2","8","6","7","4","1") = "7"
    & skf18("3","2","8","6","7","5","1") = "7"
    & skf18("3","2","8","6","7","6","1") = "7"
    & skf18("3","2","8","6","7","7","1") = "7"
    & skf18("3","2","8","6","7","8","1") = "7"
    & skf18("3","2","8","6","7","9","1") = "8"
    & skf18("3","2","8","6","7","10","1") = "9"
    & skf18("3","2","8","6","8","1","1") = "7"
    & skf18("3","2","8","6","8","2","1") = "7"
    & skf18("3","2","8","6","8","3","1") = "7"
    & skf18("3","2","8","6","8","4","1") = "7"
    & skf18("3","2","8","6","8","5","1") = "7"
    & skf18("3","2","8","6","8","6","1") = "7"
    & skf18("3","2","8","6","8","7","1") = "7"
    & skf18("3","2","8","6","8","8","1") = "7"
    & skf18("3","2","8","6","8","9","1") = "8"
    & skf18("3","2","8","6","8","10","1") = "9"
    & skf18("3","2","8","6","9","1","1") = "8"
    & skf18("3","2","8","6","9","2","1") = "8"
    & skf18("3","2","8","6","9","3","1") = "8"
    & skf18("3","2","8","6","9","4","1") = "8"
    & skf18("3","2","8","6","9","5","1") = "8"
    & skf18("3","2","8","6","9","6","1") = "8"
    & skf18("3","2","8","6","9","7","1") = "8"
    & skf18("3","2","8","6","9","8","1") = "8"
    & skf18("3","2","8","6","9","9","1") = "8"
    & skf18("3","2","8","6","9","10","1") = "9"
    & skf18("3","2","8","6","10","1","1") = "9"
    & skf18("3","2","8","6","10","2","1") = "9"
    & skf18("3","2","8","6","10","3","1") = "9"
    & skf18("3","2","8","6","10","4","1") = "9"
    & skf18("3","2","8","6","10","5","1") = "9"
    & skf18("3","2","8","6","10","6","1") = "9"
    & skf18("3","2","8","6","10","7","1") = "9"
    & skf18("3","2","8","6","10","8","1") = "9"
    & skf18("3","2","8","6","10","9","1") = "9"
    & skf18("3","2","8","6","10","10","1") = "9"
    & skf18("3","2","8","7","1","1","1") = "7"
    & skf18("3","2","8","7","1","2","1") = "7"
    & skf18("3","2","8","7","1","3","1") = "7"
    & skf18("3","2","8","7","1","4","1") = "7"
    & skf18("3","2","8","7","1","5","1") = "7"
    & skf18("3","2","8","7","1","6","1") = "7"
    & skf18("3","2","8","7","1","7","1") = "7"
    & skf18("3","2","8","7","1","8","1") = "7"
    & skf18("3","2","8","7","1","9","1") = "8"
    & skf18("3","2","8","7","1","10","1") = "9"
    & skf18("3","2","8","7","2","1","1") = "7"
    & skf18("3","2","8","7","2","2","1") = "7"
    & skf18("3","2","8","7","2","3","1") = "7"
    & skf18("3","2","8","7","2","4","1") = "7"
    & skf18("3","2","8","7","2","5","1") = "7"
    & skf18("3","2","8","7","2","6","1") = "7"
    & skf18("3","2","8","7","2","7","1") = "7"
    & skf18("3","2","8","7","2","8","1") = "7"
    & skf18("3","2","8","7","2","9","1") = "8"
    & skf18("3","2","8","7","2","10","1") = "9"
    & skf18("3","2","8","7","3","1","1") = "7"
    & skf18("3","2","8","7","3","2","1") = "7"
    & skf18("3","2","8","7","3","3","1") = "7"
    & skf18("3","2","8","7","3","4","1") = "7"
    & skf18("3","2","8","7","3","5","1") = "7"
    & skf18("3","2","8","7","3","6","1") = "7"
    & skf18("3","2","8","7","3","7","1") = "7"
    & skf18("3","2","8","7","3","8","1") = "7"
    & skf18("3","2","8","7","3","9","1") = "8"
    & skf18("3","2","8","7","3","10","1") = "9"
    & skf18("3","2","8","7","4","1","1") = "7"
    & skf18("3","2","8","7","4","2","1") = "7"
    & skf18("3","2","8","7","4","3","1") = "7"
    & skf18("3","2","8","7","4","4","1") = "7"
    & skf18("3","2","8","7","4","5","1") = "7"
    & skf18("3","2","8","7","4","6","1") = "7"
    & skf18("3","2","8","7","4","7","1") = "7"
    & skf18("3","2","8","7","4","8","1") = "7"
    & skf18("3","2","8","7","4","9","1") = "8"
    & skf18("3","2","8","7","4","10","1") = "9"
    & skf18("3","2","8","7","5","1","1") = "7"
    & skf18("3","2","8","7","5","2","1") = "7"
    & skf18("3","2","8","7","5","3","1") = "7"
    & skf18("3","2","8","7","5","4","1") = "7"
    & skf18("3","2","8","7","5","5","1") = "7"
    & skf18("3","2","8","7","5","6","1") = "7"
    & skf18("3","2","8","7","5","7","1") = "7"
    & skf18("3","2","8","7","5","8","1") = "7"
    & skf18("3","2","8","7","5","9","1") = "8"
    & skf18("3","2","8","7","5","10","1") = "9"
    & skf18("3","2","8","7","6","1","1") = "7"
    & skf18("3","2","8","7","6","2","1") = "7"
    & skf18("3","2","8","7","6","3","1") = "7"
    & skf18("3","2","8","7","6","4","1") = "7"
    & skf18("3","2","8","7","6","5","1") = "7"
    & skf18("3","2","8","7","6","6","1") = "7"
    & skf18("3","2","8","7","6","7","1") = "7"
    & skf18("3","2","8","7","6","8","1") = "7"
    & skf18("3","2","8","7","6","9","1") = "8"
    & skf18("3","2","8","7","6","10","1") = "9"
    & skf18("3","2","8","7","7","1","1") = "7"
    & skf18("3","2","8","7","7","2","1") = "7"
    & skf18("3","2","8","7","7","3","1") = "7"
    & skf18("3","2","8","7","7","4","1") = "7"
    & skf18("3","2","8","7","7","5","1") = "7"
    & skf18("3","2","8","7","7","6","1") = "7"
    & skf18("3","2","8","7","7","7","1") = "7"
    & skf18("3","2","8","7","7","8","1") = "7"
    & skf18("3","2","8","7","7","9","1") = "8"
    & skf18("3","2","8","7","7","10","1") = "9"
    & skf18("3","2","8","7","8","1","1") = "7"
    & skf18("3","2","8","7","8","2","1") = "7"
    & skf18("3","2","8","7","8","3","1") = "7"
    & skf18("3","2","8","7","8","4","1") = "7"
    & skf18("3","2","8","7","8","5","1") = "7"
    & skf18("3","2","8","7","8","6","1") = "7"
    & skf18("3","2","8","7","8","7","1") = "7"
    & skf18("3","2","8","7","8","8","1") = "7"
    & skf18("3","2","8","7","8","9","1") = "8"
    & skf18("3","2","8","7","8","10","1") = "9"
    & skf18("3","2","8","7","9","1","1") = "8"
    & skf18("3","2","8","7","9","2","1") = "8"
    & skf18("3","2","8","7","9","3","1") = "8"
    & skf18("3","2","8","7","9","4","1") = "8"
    & skf18("3","2","8","7","9","5","1") = "8"
    & skf18("3","2","8","7","9","6","1") = "8"
    & skf18("3","2","8","7","9","7","1") = "8"
    & skf18("3","2","8","7","9","8","1") = "8"
    & skf18("3","2","8","7","9","9","1") = "8"
    & skf18("3","2","8","7","9","10","1") = "9"
    & skf18("3","2","8","7","10","1","1") = "9"
    & skf18("3","2","8","7","10","2","1") = "9"
    & skf18("3","2","8","7","10","3","1") = "9"
    & skf18("3","2","8","7","10","4","1") = "9"
    & skf18("3","2","8","7","10","5","1") = "9"
    & skf18("3","2","8","7","10","6","1") = "9"
    & skf18("3","2","8","7","10","7","1") = "9"
    & skf18("3","2","8","7","10","8","1") = "9"
    & skf18("3","2","8","7","10","9","1") = "9"
    & skf18("3","2","8","7","10","10","1") = "9"
    & skf18("3","2","8","8","1","1","1") = "7"
    & skf18("3","2","8","8","1","2","1") = "7"
    & skf18("3","2","8","8","1","3","1") = "7"
    & skf18("3","2","8","8","1","4","1") = "7"
    & skf18("3","2","8","8","1","5","1") = "7"
    & skf18("3","2","8","8","1","6","1") = "7"
    & skf18("3","2","8","8","1","7","1") = "7"
    & skf18("3","2","8","8","1","8","1") = "7"
    & skf18("3","2","8","8","1","9","1") = "8"
    & skf18("3","2","8","8","1","10","1") = "9"
    & skf18("3","2","8","8","2","1","1") = "7"
    & skf18("3","2","8","8","2","2","1") = "7"
    & skf18("3","2","8","8","2","3","1") = "7"
    & skf18("3","2","8","8","2","4","1") = "7"
    & skf18("3","2","8","8","2","5","1") = "7"
    & skf18("3","2","8","8","2","6","1") = "7"
    & skf18("3","2","8","8","2","7","1") = "7"
    & skf18("3","2","8","8","2","8","1") = "7"
    & skf18("3","2","8","8","2","9","1") = "8"
    & skf18("3","2","8","8","2","10","1") = "9"
    & skf18("3","2","8","8","3","1","1") = "7"
    & skf18("3","2","8","8","3","2","1") = "7"
    & skf18("3","2","8","8","3","3","1") = "7"
    & skf18("3","2","8","8","3","4","1") = "7"
    & skf18("3","2","8","8","3","5","1") = "7"
    & skf18("3","2","8","8","3","6","1") = "7"
    & skf18("3","2","8","8","3","7","1") = "7"
    & skf18("3","2","8","8","3","8","1") = "7"
    & skf18("3","2","8","8","3","9","1") = "8"
    & skf18("3","2","8","8","3","10","1") = "9"
    & skf18("3","2","8","8","4","1","1") = "7"
    & skf18("3","2","8","8","4","2","1") = "7"
    & skf18("3","2","8","8","4","3","1") = "7"
    & skf18("3","2","8","8","4","4","1") = "7"
    & skf18("3","2","8","8","4","5","1") = "7"
    & skf18("3","2","8","8","4","6","1") = "7"
    & skf18("3","2","8","8","4","7","1") = "7"
    & skf18("3","2","8","8","4","8","1") = "7"
    & skf18("3","2","8","8","4","9","1") = "8"
    & skf18("3","2","8","8","4","10","1") = "9"
    & skf18("3","2","8","8","5","1","1") = "7"
    & skf18("3","2","8","8","5","2","1") = "7"
    & skf18("3","2","8","8","5","3","1") = "7"
    & skf18("3","2","8","8","5","4","1") = "7"
    & skf18("3","2","8","8","5","5","1") = "7"
    & skf18("3","2","8","8","5","6","1") = "7"
    & skf18("3","2","8","8","5","7","1") = "7"
    & skf18("3","2","8","8","5","8","1") = "7"
    & skf18("3","2","8","8","5","9","1") = "8"
    & skf18("3","2","8","8","5","10","1") = "9"
    & skf18("3","2","8","8","6","1","1") = "7"
    & skf18("3","2","8","8","6","2","1") = "7"
    & skf18("3","2","8","8","6","3","1") = "7"
    & skf18("3","2","8","8","6","4","1") = "7"
    & skf18("3","2","8","8","6","5","1") = "7"
    & skf18("3","2","8","8","6","6","1") = "7"
    & skf18("3","2","8","8","6","7","1") = "7"
    & skf18("3","2","8","8","6","8","1") = "7"
    & skf18("3","2","8","8","6","9","1") = "8"
    & skf18("3","2","8","8","6","10","1") = "9"
    & skf18("3","2","8","8","7","1","1") = "7"
    & skf18("3","2","8","8","7","2","1") = "7"
    & skf18("3","2","8","8","7","3","1") = "7"
    & skf18("3","2","8","8","7","4","1") = "7"
    & skf18("3","2","8","8","7","5","1") = "7"
    & skf18("3","2","8","8","7","6","1") = "7"
    & skf18("3","2","8","8","7","7","1") = "7"
    & skf18("3","2","8","8","7","8","1") = "7"
    & skf18("3","2","8","8","7","9","1") = "8"
    & skf18("3","2","8","8","7","10","1") = "9"
    & skf18("3","2","8","8","8","1","1") = "7"
    & skf18("3","2","8","8","8","2","1") = "7"
    & skf18("3","2","8","8","8","3","1") = "7"
    & skf18("3","2","8","8","8","4","1") = "7"
    & skf18("3","2","8","8","8","5","1") = "7"
    & skf18("3","2","8","8","8","6","1") = "7"
    & skf18("3","2","8","8","8","7","1") = "7"
    & skf18("3","2","8","8","8","8","1") = "7"
    & skf18("3","2","8","8","8","9","1") = "8"
    & skf18("3","2","8","8","8","10","1") = "9"
    & skf18("3","2","8","8","9","1","1") = "8"
    & skf18("3","2","8","8","9","2","1") = "8"
    & skf18("3","2","8","8","9","3","1") = "8"
    & skf18("3","2","8","8","9","4","1") = "8"
    & skf18("3","2","8","8","9","5","1") = "8"
    & skf18("3","2","8","8","9","6","1") = "8"
    & skf18("3","2","8","8","9","7","1") = "8"
    & skf18("3","2","8","8","9","8","1") = "8"
    & skf18("3","2","8","8","9","9","1") = "8"
    & skf18("3","2","8","8","9","10","1") = "9"
    & skf18("3","2","8","8","10","1","1") = "9"
    & skf18("3","2","8","8","10","2","1") = "9"
    & skf18("3","2","8","8","10","3","1") = "9"
    & skf18("3","2","8","8","10","4","1") = "9"
    & skf18("3","2","8","8","10","5","1") = "9"
    & skf18("3","2","8","8","10","6","1") = "9"
    & skf18("3","2","8","8","10","7","1") = "9"
    & skf18("3","2","8","8","10","8","1") = "9"
    & skf18("3","2","8","8","10","9","1") = "9"
    & skf18("3","2","8","8","10","10","1") = "9"
    & skf18("3","2","8","9","1","1","1") = "8"
    & skf18("3","2","8","9","1","2","1") = "8"
    & skf18("3","2","8","9","1","3","1") = "8"
    & skf18("3","2","8","9","1","4","1") = "8"
    & skf18("3","2","8","9","1","5","1") = "8"
    & skf18("3","2","8","9","1","6","1") = "8"
    & skf18("3","2","8","9","1","7","1") = "8"
    & skf18("3","2","8","9","1","8","1") = "8"
    & skf18("3","2","8","9","1","9","1") = "8"
    & skf18("3","2","8","9","1","10","1") = "9"
    & skf18("3","2","8","9","2","1","1") = "8"
    & skf18("3","2","8","9","2","2","1") = "8"
    & skf18("3","2","8","9","2","3","1") = "8"
    & skf18("3","2","8","9","2","4","1") = "8"
    & skf18("3","2","8","9","2","5","1") = "8"
    & skf18("3","2","8","9","2","6","1") = "8"
    & skf18("3","2","8","9","2","7","1") = "8"
    & skf18("3","2","8","9","2","8","1") = "8"
    & skf18("3","2","8","9","2","9","1") = "8"
    & skf18("3","2","8","9","2","10","1") = "9"
    & skf18("3","2","8","9","3","1","1") = "8"
    & skf18("3","2","8","9","3","2","1") = "8"
    & skf18("3","2","8","9","3","3","1") = "8"
    & skf18("3","2","8","9","3","4","1") = "8"
    & skf18("3","2","8","9","3","5","1") = "8"
    & skf18("3","2","8","9","3","6","1") = "8"
    & skf18("3","2","8","9","3","7","1") = "8"
    & skf18("3","2","8","9","3","8","1") = "8"
    & skf18("3","2","8","9","3","9","1") = "8"
    & skf18("3","2","8","9","3","10","1") = "9"
    & skf18("3","2","8","9","4","1","1") = "8"
    & skf18("3","2","8","9","4","2","1") = "8"
    & skf18("3","2","8","9","4","3","1") = "8"
    & skf18("3","2","8","9","4","4","1") = "8"
    & skf18("3","2","8","9","4","5","1") = "8"
    & skf18("3","2","8","9","4","6","1") = "8"
    & skf18("3","2","8","9","4","7","1") = "8"
    & skf18("3","2","8","9","4","8","1") = "8"
    & skf18("3","2","8","9","4","9","1") = "8"
    & skf18("3","2","8","9","4","10","1") = "9"
    & skf18("3","2","8","9","5","1","1") = "8"
    & skf18("3","2","8","9","5","2","1") = "8"
    & skf18("3","2","8","9","5","3","1") = "8"
    & skf18("3","2","8","9","5","4","1") = "8"
    & skf18("3","2","8","9","5","5","1") = "8"
    & skf18("3","2","8","9","5","6","1") = "8"
    & skf18("3","2","8","9","5","7","1") = "8"
    & skf18("3","2","8","9","5","8","1") = "8"
    & skf18("3","2","8","9","5","9","1") = "8"
    & skf18("3","2","8","9","5","10","1") = "9"
    & skf18("3","2","8","9","6","1","1") = "8"
    & skf18("3","2","8","9","6","2","1") = "8"
    & skf18("3","2","8","9","6","3","1") = "8"
    & skf18("3","2","8","9","6","4","1") = "8"
    & skf18("3","2","8","9","6","5","1") = "8"
    & skf18("3","2","8","9","6","6","1") = "8"
    & skf18("3","2","8","9","6","7","1") = "8"
    & skf18("3","2","8","9","6","8","1") = "8"
    & skf18("3","2","8","9","6","9","1") = "8"
    & skf18("3","2","8","9","6","10","1") = "9"
    & skf18("3","2","8","9","7","1","1") = "8"
    & skf18("3","2","8","9","7","2","1") = "8"
    & skf18("3","2","8","9","7","3","1") = "8"
    & skf18("3","2","8","9","7","4","1") = "8"
    & skf18("3","2","8","9","7","5","1") = "8"
    & skf18("3","2","8","9","7","6","1") = "8"
    & skf18("3","2","8","9","7","7","1") = "8"
    & skf18("3","2","8","9","7","8","1") = "8"
    & skf18("3","2","8","9","7","9","1") = "8"
    & skf18("3","2","8","9","7","10","1") = "9"
    & skf18("3","2","8","9","8","1","1") = "8"
    & skf18("3","2","8","9","8","2","1") = "8"
    & skf18("3","2","8","9","8","3","1") = "8"
    & skf18("3","2","8","9","8","4","1") = "8"
    & skf18("3","2","8","9","8","5","1") = "8"
    & skf18("3","2","8","9","8","6","1") = "8"
    & skf18("3","2","8","9","8","7","1") = "8"
    & skf18("3","2","8","9","8","8","1") = "8"
    & skf18("3","2","8","9","8","9","1") = "8"
    & skf18("3","2","8","9","8","10","1") = "9"
    & skf18("3","2","8","9","9","1","1") = "8"
    & skf18("3","2","8","9","9","2","1") = "8"
    & skf18("3","2","8","9","9","3","1") = "8"
    & skf18("3","2","8","9","9","4","1") = "8"
    & skf18("3","2","8","9","9","5","1") = "8"
    & skf18("3","2","8","9","9","6","1") = "8"
    & skf18("3","2","8","9","9","7","1") = "8"
    & skf18("3","2","8","9","9","8","1") = "8"
    & skf18("3","2","8","9","9","9","1") = "8"
    & skf18("3","2","8","9","9","10","1") = "9"
    & skf18("3","2","8","9","10","1","1") = "9"
    & skf18("3","2","8","9","10","2","1") = "9"
    & skf18("3","2","8","9","10","3","1") = "9"
    & skf18("3","2","8","9","10","4","1") = "9"
    & skf18("3","2","8","9","10","5","1") = "9"
    & skf18("3","2","8","9","10","6","1") = "9"
    & skf18("3","2","8","9","10","7","1") = "9"
    & skf18("3","2","8","9","10","8","1") = "9"
    & skf18("3","2","8","9","10","9","1") = "9"
    & skf18("3","2","8","9","10","10","1") = "9"
    & skf18("3","2","8","10","1","1","1") = "9"
    & skf18("3","2","8","10","1","2","1") = "9"
    & skf18("3","2","8","10","1","3","1") = "9"
    & skf18("3","2","8","10","1","4","1") = "9"
    & skf18("3","2","8","10","1","5","1") = "9"
    & skf18("3","2","8","10","1","6","1") = "9"
    & skf18("3","2","8","10","1","7","1") = "9"
    & skf18("3","2","8","10","1","8","1") = "9"
    & skf18("3","2","8","10","1","9","1") = "9"
    & skf18("3","2","8","10","1","10","1") = "9"
    & skf18("3","2","8","10","2","1","1") = "9"
    & skf18("3","2","8","10","2","2","1") = "9"
    & skf18("3","2","8","10","2","3","1") = "9"
    & skf18("3","2","8","10","2","4","1") = "9"
    & skf18("3","2","8","10","2","5","1") = "9"
    & skf18("3","2","8","10","2","6","1") = "9"
    & skf18("3","2","8","10","2","7","1") = "9"
    & skf18("3","2","8","10","2","8","1") = "9"
    & skf18("3","2","8","10","2","9","1") = "9"
    & skf18("3","2","8","10","2","10","1") = "9"
    & skf18("3","2","8","10","3","1","1") = "9"
    & skf18("3","2","8","10","3","2","1") = "9"
    & skf18("3","2","8","10","3","3","1") = "9"
    & skf18("3","2","8","10","3","4","1") = "9"
    & skf18("3","2","8","10","3","5","1") = "9"
    & skf18("3","2","8","10","3","6","1") = "9"
    & skf18("3","2","8","10","3","7","1") = "9"
    & skf18("3","2","8","10","3","8","1") = "9"
    & skf18("3","2","8","10","3","9","1") = "9"
    & skf18("3","2","8","10","3","10","1") = "9"
    & skf18("3","2","8","10","4","1","1") = "9"
    & skf18("3","2","8","10","4","2","1") = "9"
    & skf18("3","2","8","10","4","3","1") = "9"
    & skf18("3","2","8","10","4","4","1") = "9"
    & skf18("3","2","8","10","4","5","1") = "9"
    & skf18("3","2","8","10","4","6","1") = "9"
    & skf18("3","2","8","10","4","7","1") = "9"
    & skf18("3","2","8","10","4","8","1") = "9"
    & skf18("3","2","8","10","4","9","1") = "9"
    & skf18("3","2","8","10","4","10","1") = "9"
    & skf18("3","2","8","10","5","1","1") = "9"
    & skf18("3","2","8","10","5","2","1") = "9"
    & skf18("3","2","8","10","5","3","1") = "9"
    & skf18("3","2","8","10","5","4","1") = "9"
    & skf18("3","2","8","10","5","5","1") = "9"
    & skf18("3","2","8","10","5","6","1") = "9"
    & skf18("3","2","8","10","5","7","1") = "9"
    & skf18("3","2","8","10","5","8","1") = "9"
    & skf18("3","2","8","10","5","9","1") = "9"
    & skf18("3","2","8","10","5","10","1") = "9"
    & skf18("3","2","8","10","6","1","1") = "9"
    & skf18("3","2","8","10","6","2","1") = "9"
    & skf18("3","2","8","10","6","3","1") = "9"
    & skf18("3","2","8","10","6","4","1") = "9"
    & skf18("3","2","8","10","6","5","1") = "9"
    & skf18("3","2","8","10","6","6","1") = "9"
    & skf18("3","2","8","10","6","7","1") = "9"
    & skf18("3","2","8","10","6","8","1") = "9"
    & skf18("3","2","8","10","6","9","1") = "9"
    & skf18("3","2","8","10","6","10","1") = "9"
    & skf18("3","2","8","10","7","1","1") = "9"
    & skf18("3","2","8","10","7","2","1") = "9"
    & skf18("3","2","8","10","7","3","1") = "9"
    & skf18("3","2","8","10","7","4","1") = "9"
    & skf18("3","2","8","10","7","5","1") = "9"
    & skf18("3","2","8","10","7","6","1") = "9"
    & skf18("3","2","8","10","7","7","1") = "9"
    & skf18("3","2","8","10","7","8","1") = "9"
    & skf18("3","2","8","10","7","9","1") = "9"
    & skf18("3","2","8","10","7","10","1") = "9"
    & skf18("3","2","8","10","8","1","1") = "9"
    & skf18("3","2","8","10","8","2","1") = "9"
    & skf18("3","2","8","10","8","3","1") = "9"
    & skf18("3","2","8","10","8","4","1") = "9"
    & skf18("3","2","8","10","8","5","1") = "9"
    & skf18("3","2","8","10","8","6","1") = "9"
    & skf18("3","2","8","10","8","7","1") = "9"
    & skf18("3","2","8","10","8","8","1") = "9"
    & skf18("3","2","8","10","8","9","1") = "9"
    & skf18("3","2","8","10","8","10","1") = "9"
    & skf18("3","2","8","10","9","1","1") = "9"
    & skf18("3","2","8","10","9","2","1") = "9"
    & skf18("3","2","8","10","9","3","1") = "9"
    & skf18("3","2","8","10","9","4","1") = "9"
    & skf18("3","2","8","10","9","5","1") = "9"
    & skf18("3","2","8","10","9","6","1") = "9"
    & skf18("3","2","8","10","9","7","1") = "9"
    & skf18("3","2","8","10","9","8","1") = "9"
    & skf18("3","2","8","10","9","9","1") = "9"
    & skf18("3","2","8","10","9","10","1") = "9"
    & skf18("3","2","8","10","10","1","1") = "9"
    & skf18("3","2","8","10","10","2","1") = "9"
    & skf18("3","2","8","10","10","3","1") = "9"
    & skf18("3","2","8","10","10","4","1") = "9"
    & skf18("3","2","8","10","10","5","1") = "9"
    & skf18("3","2","8","10","10","6","1") = "9"
    & skf18("3","2","8","10","10","7","1") = "9"
    & skf18("3","2","8","10","10","8","1") = "9"
    & skf18("3","2","8","10","10","9","1") = "9"
    & skf18("3","2","8","10","10","10","1") = "9"
    & skf18("3","2","9","1","1","1","1") = "8"
    & skf18("3","2","9","1","1","2","1") = "8"
    & skf18("3","2","9","1","1","3","1") = "8"
    & skf18("3","2","9","1","1","4","1") = "8"
    & skf18("3","2","9","1","1","5","1") = "8"
    & skf18("3","2","9","1","1","6","1") = "8"
    & skf18("3","2","9","1","1","7","1") = "8"
    & skf18("3","2","9","1","1","8","1") = "8"
    & skf18("3","2","9","1","1","9","1") = "8"
    & skf18("3","2","9","1","1","10","1") = "9"
    & skf18("3","2","9","1","2","1","1") = "8"
    & skf18("3","2","9","1","2","2","1") = "8"
    & skf18("3","2","9","1","2","3","1") = "8"
    & skf18("3","2","9","1","2","4","1") = "8"
    & skf18("3","2","9","1","2","5","1") = "8"
    & skf18("3","2","9","1","2","6","1") = "8"
    & skf18("3","2","9","1","2","7","1") = "8"
    & skf18("3","2","9","1","2","8","1") = "8"
    & skf18("3","2","9","1","2","9","1") = "8"
    & skf18("3","2","9","1","2","10","1") = "9"
    & skf18("3","2","9","1","3","1","1") = "8"
    & skf18("3","2","9","1","3","2","1") = "8"
    & skf18("3","2","9","1","3","3","1") = "8"
    & skf18("3","2","9","1","3","4","1") = "8"
    & skf18("3","2","9","1","3","5","1") = "8"
    & skf18("3","2","9","1","3","6","1") = "8"
    & skf18("3","2","9","1","3","7","1") = "8"
    & skf18("3","2","9","1","3","8","1") = "8"
    & skf18("3","2","9","1","3","9","1") = "8"
    & skf18("3","2","9","1","3","10","1") = "9"
    & skf18("3","2","9","1","4","1","1") = "8"
    & skf18("3","2","9","1","4","2","1") = "8"
    & skf18("3","2","9","1","4","3","1") = "8"
    & skf18("3","2","9","1","4","4","1") = "8"
    & skf18("3","2","9","1","4","5","1") = "8"
    & skf18("3","2","9","1","4","6","1") = "8"
    & skf18("3","2","9","1","4","7","1") = "8"
    & skf18("3","2","9","1","4","8","1") = "8"
    & skf18("3","2","9","1","4","9","1") = "8"
    & skf18("3","2","9","1","4","10","1") = "9"
    & skf18("3","2","9","1","5","1","1") = "8"
    & skf18("3","2","9","1","5","2","1") = "8"
    & skf18("3","2","9","1","5","3","1") = "8"
    & skf18("3","2","9","1","5","4","1") = "8"
    & skf18("3","2","9","1","5","5","1") = "8"
    & skf18("3","2","9","1","5","6","1") = "8"
    & skf18("3","2","9","1","5","7","1") = "8"
    & skf18("3","2","9","1","5","8","1") = "8"
    & skf18("3","2","9","1","5","9","1") = "8"
    & skf18("3","2","9","1","5","10","1") = "9"
    & skf18("3","2","9","1","6","1","1") = "8"
    & skf18("3","2","9","1","6","2","1") = "8"
    & skf18("3","2","9","1","6","3","1") = "8"
    & skf18("3","2","9","1","6","4","1") = "8"
    & skf18("3","2","9","1","6","5","1") = "8"
    & skf18("3","2","9","1","6","6","1") = "8"
    & skf18("3","2","9","1","6","7","1") = "8"
    & skf18("3","2","9","1","6","8","1") = "8"
    & skf18("3","2","9","1","6","9","1") = "8"
    & skf18("3","2","9","1","6","10","1") = "9"
    & skf18("3","2","9","1","7","1","1") = "8"
    & skf18("3","2","9","1","7","2","1") = "8"
    & skf18("3","2","9","1","7","3","1") = "8"
    & skf18("3","2","9","1","7","4","1") = "8"
    & skf18("3","2","9","1","7","5","1") = "8"
    & skf18("3","2","9","1","7","6","1") = "8"
    & skf18("3","2","9","1","7","7","1") = "8"
    & skf18("3","2","9","1","7","8","1") = "8"
    & skf18("3","2","9","1","7","9","1") = "8"
    & skf18("3","2","9","1","7","10","1") = "9"
    & skf18("3","2","9","1","8","1","1") = "8"
    & skf18("3","2","9","1","8","2","1") = "8"
    & skf18("3","2","9","1","8","3","1") = "8"
    & skf18("3","2","9","1","8","4","1") = "8"
    & skf18("3","2","9","1","8","5","1") = "8"
    & skf18("3","2","9","1","8","6","1") = "8"
    & skf18("3","2","9","1","8","7","1") = "8"
    & skf18("3","2","9","1","8","8","1") = "8"
    & skf18("3","2","9","1","8","9","1") = "8"
    & skf18("3","2","9","1","8","10","1") = "9"
    & skf18("3","2","9","1","9","1","1") = "8"
    & skf18("3","2","9","1","9","2","1") = "8"
    & skf18("3","2","9","1","9","3","1") = "8"
    & skf18("3","2","9","1","9","4","1") = "8"
    & skf18("3","2","9","1","9","5","1") = "8"
    & skf18("3","2","9","1","9","6","1") = "8"
    & skf18("3","2","9","1","9","7","1") = "8"
    & skf18("3","2","9","1","9","8","1") = "8"
    & skf18("3","2","9","1","9","9","1") = "8"
    & skf18("3","2","9","1","9","10","1") = "9"
    & skf18("3","2","9","1","10","1","1") = "9"
    & skf18("3","2","9","1","10","2","1") = "9"
    & skf18("3","2","9","1","10","3","1") = "9"
    & skf18("3","2","9","1","10","4","1") = "9"
    & skf18("3","2","9","1","10","5","1") = "9"
    & skf18("3","2","9","1","10","6","1") = "9"
    & skf18("3","2","9","1","10","7","1") = "9"
    & skf18("3","2","9","1","10","8","1") = "9"
    & skf18("3","2","9","1","10","9","1") = "9"
    & skf18("3","2","9","1","10","10","1") = "9"
    & skf18("3","2","9","2","1","1","1") = "8"
    & skf18("3","2","9","2","1","2","1") = "8"
    & skf18("3","2","9","2","1","3","1") = "8"
    & skf18("3","2","9","2","1","4","1") = "8"
    & skf18("3","2","9","2","1","5","1") = "8"
    & skf18("3","2","9","2","1","6","1") = "8"
    & skf18("3","2","9","2","1","7","1") = "8"
    & skf18("3","2","9","2","1","8","1") = "8"
    & skf18("3","2","9","2","1","9","1") = "8"
    & skf18("3","2","9","2","1","10","1") = "9"
    & skf18("3","2","9","2","2","1","1") = "8"
    & skf18("3","2","9","2","2","2","1") = "8"
    & skf18("3","2","9","2","2","3","1") = "8"
    & skf18("3","2","9","2","2","4","1") = "8"
    & skf18("3","2","9","2","2","5","1") = "8"
    & skf18("3","2","9","2","2","6","1") = "8"
    & skf18("3","2","9","2","2","7","1") = "8"
    & skf18("3","2","9","2","2","8","1") = "8"
    & skf18("3","2","9","2","2","9","1") = "8"
    & skf18("3","2","9","2","2","10","1") = "9"
    & skf18("3","2","9","2","3","1","1") = "8"
    & skf18("3","2","9","2","3","2","1") = "8"
    & skf18("3","2","9","2","3","3","1") = "8"
    & skf18("3","2","9","2","3","4","1") = "8"
    & skf18("3","2","9","2","3","5","1") = "8"
    & skf18("3","2","9","2","3","6","1") = "8"
    & skf18("3","2","9","2","3","7","1") = "8"
    & skf18("3","2","9","2","3","8","1") = "8"
    & skf18("3","2","9","2","3","9","1") = "8"
    & skf18("3","2","9","2","3","10","1") = "9"
    & skf18("3","2","9","2","4","1","1") = "8"
    & skf18("3","2","9","2","4","2","1") = "8"
    & skf18("3","2","9","2","4","3","1") = "8"
    & skf18("3","2","9","2","4","4","1") = "8"
    & skf18("3","2","9","2","4","5","1") = "8"
    & skf18("3","2","9","2","4","6","1") = "8"
    & skf18("3","2","9","2","4","7","1") = "8"
    & skf18("3","2","9","2","4","8","1") = "8"
    & skf18("3","2","9","2","4","9","1") = "8"
    & skf18("3","2","9","2","4","10","1") = "9"
    & skf18("3","2","9","2","5","1","1") = "8"
    & skf18("3","2","9","2","5","2","1") = "8"
    & skf18("3","2","9","2","5","3","1") = "8"
    & skf18("3","2","9","2","5","4","1") = "8"
    & skf18("3","2","9","2","5","5","1") = "8"
    & skf18("3","2","9","2","5","6","1") = "8"
    & skf18("3","2","9","2","5","7","1") = "8"
    & skf18("3","2","9","2","5","8","1") = "8"
    & skf18("3","2","9","2","5","9","1") = "8"
    & skf18("3","2","9","2","5","10","1") = "9"
    & skf18("3","2","9","2","6","1","1") = "8"
    & skf18("3","2","9","2","6","2","1") = "8"
    & skf18("3","2","9","2","6","3","1") = "8"
    & skf18("3","2","9","2","6","4","1") = "8"
    & skf18("3","2","9","2","6","5","1") = "8"
    & skf18("3","2","9","2","6","6","1") = "8"
    & skf18("3","2","9","2","6","7","1") = "8"
    & skf18("3","2","9","2","6","8","1") = "8"
    & skf18("3","2","9","2","6","9","1") = "8"
    & skf18("3","2","9","2","6","10","1") = "9"
    & skf18("3","2","9","2","7","1","1") = "8"
    & skf18("3","2","9","2","7","2","1") = "8"
    & skf18("3","2","9","2","7","3","1") = "8"
    & skf18("3","2","9","2","7","4","1") = "8"
    & skf18("3","2","9","2","7","5","1") = "8"
    & skf18("3","2","9","2","7","6","1") = "8"
    & skf18("3","2","9","2","7","7","1") = "8"
    & skf18("3","2","9","2","7","8","1") = "8"
    & skf18("3","2","9","2","7","9","1") = "8"
    & skf18("3","2","9","2","7","10","1") = "9"
    & skf18("3","2","9","2","8","1","1") = "8"
    & skf18("3","2","9","2","8","2","1") = "8"
    & skf18("3","2","9","2","8","3","1") = "8"
    & skf18("3","2","9","2","8","4","1") = "8"
    & skf18("3","2","9","2","8","5","1") = "8"
    & skf18("3","2","9","2","8","6","1") = "8"
    & skf18("3","2","9","2","8","7","1") = "8"
    & skf18("3","2","9","2","8","8","1") = "8"
    & skf18("3","2","9","2","8","9","1") = "8"
    & skf18("3","2","9","2","8","10","1") = "9"
    & skf18("3","2","9","2","9","1","1") = "8"
    & skf18("3","2","9","2","9","2","1") = "8"
    & skf18("3","2","9","2","9","3","1") = "8"
    & skf18("3","2","9","2","9","4","1") = "8"
    & skf18("3","2","9","2","9","5","1") = "8"
    & skf18("3","2","9","2","9","6","1") = "8"
    & skf18("3","2","9","2","9","7","1") = "8"
    & skf18("3","2","9","2","9","8","1") = "8"
    & skf18("3","2","9","2","9","9","1") = "8"
    & skf18("3","2","9","2","9","10","1") = "9"
    & skf18("3","2","9","2","10","1","1") = "9"
    & skf18("3","2","9","2","10","2","1") = "9"
    & skf18("3","2","9","2","10","3","1") = "9"
    & skf18("3","2","9","2","10","4","1") = "9"
    & skf18("3","2","9","2","10","5","1") = "9"
    & skf18("3","2","9","2","10","6","1") = "9"
    & skf18("3","2","9","2","10","7","1") = "9"
    & skf18("3","2","9","2","10","8","1") = "9"
    & skf18("3","2","9","2","10","9","1") = "9"
    & skf18("3","2","9","2","10","10","1") = "9"
    & skf18("3","2","9","3","1","1","1") = "8"
    & skf18("3","2","9","3","1","2","1") = "8"
    & skf18("3","2","9","3","1","3","1") = "8"
    & skf18("3","2","9","3","1","4","1") = "8"
    & skf18("3","2","9","3","1","5","1") = "8"
    & skf18("3","2","9","3","1","6","1") = "8"
    & skf18("3","2","9","3","1","7","1") = "8"
    & skf18("3","2","9","3","1","8","1") = "8"
    & skf18("3","2","9","3","1","9","1") = "8"
    & skf18("3","2","9","3","1","10","1") = "9"
    & skf18("3","2","9","3","2","1","1") = "8"
    & skf18("3","2","9","3","2","2","1") = "8"
    & skf18("3","2","9","3","2","3","1") = "8"
    & skf18("3","2","9","3","2","4","1") = "8"
    & skf18("3","2","9","3","2","5","1") = "8"
    & skf18("3","2","9","3","2","6","1") = "8"
    & skf18("3","2","9","3","2","7","1") = "8"
    & skf18("3","2","9","3","2","8","1") = "8"
    & skf18("3","2","9","3","2","9","1") = "8"
    & skf18("3","2","9","3","2","10","1") = "9"
    & skf18("3","2","9","3","3","1","1") = "8"
    & skf18("3","2","9","3","3","2","1") = "8"
    & skf18("3","2","9","3","3","3","1") = "8"
    & skf18("3","2","9","3","3","4","1") = "8"
    & skf18("3","2","9","3","3","5","1") = "8"
    & skf18("3","2","9","3","3","6","1") = "8"
    & skf18("3","2","9","3","3","7","1") = "8"
    & skf18("3","2","9","3","3","8","1") = "8"
    & skf18("3","2","9","3","3","9","1") = "8"
    & skf18("3","2","9","3","3","10","1") = "9"
    & skf18("3","2","9","3","4","1","1") = "8"
    & skf18("3","2","9","3","4","2","1") = "8"
    & skf18("3","2","9","3","4","3","1") = "8"
    & skf18("3","2","9","3","4","4","1") = "8"
    & skf18("3","2","9","3","4","5","1") = "8"
    & skf18("3","2","9","3","4","6","1") = "8"
    & skf18("3","2","9","3","4","7","1") = "8"
    & skf18("3","2","9","3","4","8","1") = "8"
    & skf18("3","2","9","3","4","9","1") = "8"
    & skf18("3","2","9","3","4","10","1") = "9"
    & skf18("3","2","9","3","5","1","1") = "8"
    & skf18("3","2","9","3","5","2","1") = "8"
    & skf18("3","2","9","3","5","3","1") = "8"
    & skf18("3","2","9","3","5","4","1") = "8"
    & skf18("3","2","9","3","5","5","1") = "8"
    & skf18("3","2","9","3","5","6","1") = "8"
    & skf18("3","2","9","3","5","7","1") = "8"
    & skf18("3","2","9","3","5","8","1") = "8"
    & skf18("3","2","9","3","5","9","1") = "8"
    & skf18("3","2","9","3","5","10","1") = "9"
    & skf18("3","2","9","3","6","1","1") = "8"
    & skf18("3","2","9","3","6","2","1") = "8"
    & skf18("3","2","9","3","6","3","1") = "8"
    & skf18("3","2","9","3","6","4","1") = "8"
    & skf18("3","2","9","3","6","5","1") = "8"
    & skf18("3","2","9","3","6","6","1") = "8"
    & skf18("3","2","9","3","6","7","1") = "8"
    & skf18("3","2","9","3","6","8","1") = "8"
    & skf18("3","2","9","3","6","9","1") = "8"
    & skf18("3","2","9","3","6","10","1") = "9"
    & skf18("3","2","9","3","7","1","1") = "8"
    & skf18("3","2","9","3","7","2","1") = "8"
    & skf18("3","2","9","3","7","3","1") = "8"
    & skf18("3","2","9","3","7","4","1") = "8"
    & skf18("3","2","9","3","7","5","1") = "8"
    & skf18("3","2","9","3","7","6","1") = "8"
    & skf18("3","2","9","3","7","7","1") = "8"
    & skf18("3","2","9","3","7","8","1") = "8"
    & skf18("3","2","9","3","7","9","1") = "8"
    & skf18("3","2","9","3","7","10","1") = "9"
    & skf18("3","2","9","3","8","1","1") = "8"
    & skf18("3","2","9","3","8","2","1") = "8"
    & skf18("3","2","9","3","8","3","1") = "8"
    & skf18("3","2","9","3","8","4","1") = "8"
    & skf18("3","2","9","3","8","5","1") = "8"
    & skf18("3","2","9","3","8","6","1") = "8"
    & skf18("3","2","9","3","8","7","1") = "8"
    & skf18("3","2","9","3","8","8","1") = "8"
    & skf18("3","2","9","3","8","9","1") = "8"
    & skf18("3","2","9","3","8","10","1") = "9"
    & skf18("3","2","9","3","9","1","1") = "8"
    & skf18("3","2","9","3","9","2","1") = "8"
    & skf18("3","2","9","3","9","3","1") = "8"
    & skf18("3","2","9","3","9","4","1") = "8"
    & skf18("3","2","9","3","9","5","1") = "8"
    & skf18("3","2","9","3","9","6","1") = "8"
    & skf18("3","2","9","3","9","7","1") = "8"
    & skf18("3","2","9","3","9","8","1") = "8"
    & skf18("3","2","9","3","9","9","1") = "8"
    & skf18("3","2","9","3","9","10","1") = "9"
    & skf18("3","2","9","3","10","1","1") = "9"
    & skf18("3","2","9","3","10","2","1") = "9"
    & skf18("3","2","9","3","10","3","1") = "9"
    & skf18("3","2","9","3","10","4","1") = "9"
    & skf18("3","2","9","3","10","5","1") = "9"
    & skf18("3","2","9","3","10","6","1") = "9"
    & skf18("3","2","9","3","10","7","1") = "9"
    & skf18("3","2","9","3","10","8","1") = "9"
    & skf18("3","2","9","3","10","9","1") = "9"
    & skf18("3","2","9","3","10","10","1") = "9"
    & skf18("3","2","9","4","1","1","1") = "8"
    & skf18("3","2","9","4","1","2","1") = "8"
    & skf18("3","2","9","4","1","3","1") = "8"
    & skf18("3","2","9","4","1","4","1") = "8"
    & skf18("3","2","9","4","1","5","1") = "8"
    & skf18("3","2","9","4","1","6","1") = "8"
    & skf18("3","2","9","4","1","7","1") = "8"
    & skf18("3","2","9","4","1","8","1") = "8"
    & skf18("3","2","9","4","1","9","1") = "8"
    & skf18("3","2","9","4","1","10","1") = "9"
    & skf18("3","2","9","4","2","1","1") = "8"
    & skf18("3","2","9","4","2","2","1") = "8"
    & skf18("3","2","9","4","2","3","1") = "8"
    & skf18("3","2","9","4","2","4","1") = "8"
    & skf18("3","2","9","4","2","5","1") = "8"
    & skf18("3","2","9","4","2","6","1") = "8"
    & skf18("3","2","9","4","2","7","1") = "8"
    & skf18("3","2","9","4","2","8","1") = "8"
    & skf18("3","2","9","4","2","9","1") = "8"
    & skf18("3","2","9","4","2","10","1") = "9"
    & skf18("3","2","9","4","3","1","1") = "8"
    & skf18("3","2","9","4","3","2","1") = "8"
    & skf18("3","2","9","4","3","3","1") = "8"
    & skf18("3","2","9","4","3","4","1") = "8"
    & skf18("3","2","9","4","3","5","1") = "8"
    & skf18("3","2","9","4","3","6","1") = "8"
    & skf18("3","2","9","4","3","7","1") = "8"
    & skf18("3","2","9","4","3","8","1") = "8"
    & skf18("3","2","9","4","3","9","1") = "8"
    & skf18("3","2","9","4","3","10","1") = "9"
    & skf18("3","2","9","4","4","1","1") = "8"
    & skf18("3","2","9","4","4","2","1") = "8"
    & skf18("3","2","9","4","4","3","1") = "8"
    & skf18("3","2","9","4","4","4","1") = "8"
    & skf18("3","2","9","4","4","5","1") = "8"
    & skf18("3","2","9","4","4","6","1") = "8"
    & skf18("3","2","9","4","4","7","1") = "8"
    & skf18("3","2","9","4","4","8","1") = "8"
    & skf18("3","2","9","4","4","9","1") = "8"
    & skf18("3","2","9","4","4","10","1") = "9"
    & skf18("3","2","9","4","5","1","1") = "8"
    & skf18("3","2","9","4","5","2","1") = "8"
    & skf18("3","2","9","4","5","3","1") = "8"
    & skf18("3","2","9","4","5","4","1") = "8"
    & skf18("3","2","9","4","5","5","1") = "8"
    & skf18("3","2","9","4","5","6","1") = "8"
    & skf18("3","2","9","4","5","7","1") = "8"
    & skf18("3","2","9","4","5","8","1") = "8"
    & skf18("3","2","9","4","5","9","1") = "8"
    & skf18("3","2","9","4","5","10","1") = "9"
    & skf18("3","2","9","4","6","1","1") = "8"
    & skf18("3","2","9","4","6","2","1") = "8"
    & skf18("3","2","9","4","6","3","1") = "8"
    & skf18("3","2","9","4","6","4","1") = "8"
    & skf18("3","2","9","4","6","5","1") = "8"
    & skf18("3","2","9","4","6","6","1") = "8"
    & skf18("3","2","9","4","6","7","1") = "8"
    & skf18("3","2","9","4","6","8","1") = "8"
    & skf18("3","2","9","4","6","9","1") = "8"
    & skf18("3","2","9","4","6","10","1") = "9"
    & skf18("3","2","9","4","7","1","1") = "8"
    & skf18("3","2","9","4","7","2","1") = "8"
    & skf18("3","2","9","4","7","3","1") = "8"
    & skf18("3","2","9","4","7","4","1") = "8"
    & skf18("3","2","9","4","7","5","1") = "8"
    & skf18("3","2","9","4","7","6","1") = "8"
    & skf18("3","2","9","4","7","7","1") = "8"
    & skf18("3","2","9","4","7","8","1") = "8"
    & skf18("3","2","9","4","7","9","1") = "8"
    & skf18("3","2","9","4","7","10","1") = "9"
    & skf18("3","2","9","4","8","1","1") = "8"
    & skf18("3","2","9","4","8","2","1") = "8"
    & skf18("3","2","9","4","8","3","1") = "8"
    & skf18("3","2","9","4","8","4","1") = "8"
    & skf18("3","2","9","4","8","5","1") = "8"
    & skf18("3","2","9","4","8","6","1") = "8"
    & skf18("3","2","9","4","8","7","1") = "8"
    & skf18("3","2","9","4","8","8","1") = "8"
    & skf18("3","2","9","4","8","9","1") = "8"
    & skf18("3","2","9","4","8","10","1") = "9"
    & skf18("3","2","9","4","9","1","1") = "8"
    & skf18("3","2","9","4","9","2","1") = "8"
    & skf18("3","2","9","4","9","3","1") = "8"
    & skf18("3","2","9","4","9","4","1") = "8"
    & skf18("3","2","9","4","9","5","1") = "8"
    & skf18("3","2","9","4","9","6","1") = "8"
    & skf18("3","2","9","4","9","7","1") = "8"
    & skf18("3","2","9","4","9","8","1") = "8"
    & skf18("3","2","9","4","9","9","1") = "8"
    & skf18("3","2","9","4","9","10","1") = "9"
    & skf18("3","2","9","4","10","1","1") = "9"
    & skf18("3","2","9","4","10","2","1") = "9"
    & skf18("3","2","9","4","10","3","1") = "9"
    & skf18("3","2","9","4","10","4","1") = "9"
    & skf18("3","2","9","4","10","5","1") = "9"
    & skf18("3","2","9","4","10","6","1") = "9"
    & skf18("3","2","9","4","10","7","1") = "9"
    & skf18("3","2","9","4","10","8","1") = "9"
    & skf18("3","2","9","4","10","9","1") = "9"
    & skf18("3","2","9","4","10","10","1") = "9"
    & skf18("3","2","9","5","1","1","1") = "8"
    & skf18("3","2","9","5","1","2","1") = "8"
    & skf18("3","2","9","5","1","3","1") = "8"
    & skf18("3","2","9","5","1","4","1") = "8"
    & skf18("3","2","9","5","1","5","1") = "8"
    & skf18("3","2","9","5","1","6","1") = "8"
    & skf18("3","2","9","5","1","7","1") = "8"
    & skf18("3","2","9","5","1","8","1") = "8"
    & skf18("3","2","9","5","1","9","1") = "8"
    & skf18("3","2","9","5","1","10","1") = "9"
    & skf18("3","2","9","5","2","1","1") = "8"
    & skf18("3","2","9","5","2","2","1") = "8"
    & skf18("3","2","9","5","2","3","1") = "8"
    & skf18("3","2","9","5","2","4","1") = "8"
    & skf18("3","2","9","5","2","5","1") = "8"
    & skf18("3","2","9","5","2","6","1") = "8"
    & skf18("3","2","9","5","2","7","1") = "8"
    & skf18("3","2","9","5","2","8","1") = "8"
    & skf18("3","2","9","5","2","9","1") = "8"
    & skf18("3","2","9","5","2","10","1") = "9"
    & skf18("3","2","9","5","3","1","1") = "8"
    & skf18("3","2","9","5","3","2","1") = "8"
    & skf18("3","2","9","5","3","3","1") = "8"
    & skf18("3","2","9","5","3","4","1") = "8"
    & skf18("3","2","9","5","3","5","1") = "8"
    & skf18("3","2","9","5","3","6","1") = "8"
    & skf18("3","2","9","5","3","7","1") = "8"
    & skf18("3","2","9","5","3","8","1") = "8"
    & skf18("3","2","9","5","3","9","1") = "8"
    & skf18("3","2","9","5","3","10","1") = "9"
    & skf18("3","2","9","5","4","1","1") = "8"
    & skf18("3","2","9","5","4","2","1") = "8"
    & skf18("3","2","9","5","4","3","1") = "8"
    & skf18("3","2","9","5","4","4","1") = "8"
    & skf18("3","2","9","5","4","5","1") = "8"
    & skf18("3","2","9","5","4","6","1") = "8"
    & skf18("3","2","9","5","4","7","1") = "8"
    & skf18("3","2","9","5","4","8","1") = "8"
    & skf18("3","2","9","5","4","9","1") = "8"
    & skf18("3","2","9","5","4","10","1") = "9"
    & skf18("3","2","9","5","5","1","1") = "8"
    & skf18("3","2","9","5","5","2","1") = "8"
    & skf18("3","2","9","5","5","3","1") = "8"
    & skf18("3","2","9","5","5","4","1") = "8"
    & skf18("3","2","9","5","5","5","1") = "8"
    & skf18("3","2","9","5","5","6","1") = "8"
    & skf18("3","2","9","5","5","7","1") = "8"
    & skf18("3","2","9","5","5","8","1") = "8"
    & skf18("3","2","9","5","5","9","1") = "8"
    & skf18("3","2","9","5","5","10","1") = "9"
    & skf18("3","2","9","5","6","1","1") = "8"
    & skf18("3","2","9","5","6","2","1") = "8"
    & skf18("3","2","9","5","6","3","1") = "8"
    & skf18("3","2","9","5","6","4","1") = "8"
    & skf18("3","2","9","5","6","5","1") = "8"
    & skf18("3","2","9","5","6","6","1") = "8"
    & skf18("3","2","9","5","6","7","1") = "8"
    & skf18("3","2","9","5","6","8","1") = "8"
    & skf18("3","2","9","5","6","9","1") = "8"
    & skf18("3","2","9","5","6","10","1") = "9"
    & skf18("3","2","9","5","7","1","1") = "8"
    & skf18("3","2","9","5","7","2","1") = "8"
    & skf18("3","2","9","5","7","3","1") = "8"
    & skf18("3","2","9","5","7","4","1") = "8"
    & skf18("3","2","9","5","7","5","1") = "8"
    & skf18("3","2","9","5","7","6","1") = "8"
    & skf18("3","2","9","5","7","7","1") = "8"
    & skf18("3","2","9","5","7","8","1") = "8"
    & skf18("3","2","9","5","7","9","1") = "8"
    & skf18("3","2","9","5","7","10","1") = "9"
    & skf18("3","2","9","5","8","1","1") = "8"
    & skf18("3","2","9","5","8","2","1") = "8"
    & skf18("3","2","9","5","8","3","1") = "8"
    & skf18("3","2","9","5","8","4","1") = "8"
    & skf18("3","2","9","5","8","5","1") = "8"
    & skf18("3","2","9","5","8","6","1") = "8"
    & skf18("3","2","9","5","8","7","1") = "8"
    & skf18("3","2","9","5","8","8","1") = "8"
    & skf18("3","2","9","5","8","9","1") = "8"
    & skf18("3","2","9","5","8","10","1") = "9"
    & skf18("3","2","9","5","9","1","1") = "8"
    & skf18("3","2","9","5","9","2","1") = "8"
    & skf18("3","2","9","5","9","3","1") = "8"
    & skf18("3","2","9","5","9","4","1") = "8"
    & skf18("3","2","9","5","9","5","1") = "8"
    & skf18("3","2","9","5","9","6","1") = "8"
    & skf18("3","2","9","5","9","7","1") = "8"
    & skf18("3","2","9","5","9","8","1") = "8"
    & skf18("3","2","9","5","9","9","1") = "8"
    & skf18("3","2","9","5","9","10","1") = "9"
    & skf18("3","2","9","5","10","1","1") = "9"
    & skf18("3","2","9","5","10","2","1") = "9"
    & skf18("3","2","9","5","10","3","1") = "9"
    & skf18("3","2","9","5","10","4","1") = "9"
    & skf18("3","2","9","5","10","5","1") = "9"
    & skf18("3","2","9","5","10","6","1") = "9"
    & skf18("3","2","9","5","10","7","1") = "9"
    & skf18("3","2","9","5","10","8","1") = "9"
    & skf18("3","2","9","5","10","9","1") = "9"
    & skf18("3","2","9","5","10","10","1") = "9"
    & skf18("3","2","9","6","1","1","1") = "8"
    & skf18("3","2","9","6","1","2","1") = "8"
    & skf18("3","2","9","6","1","3","1") = "8"
    & skf18("3","2","9","6","1","4","1") = "8"
    & skf18("3","2","9","6","1","5","1") = "8"
    & skf18("3","2","9","6","1","6","1") = "8"
    & skf18("3","2","9","6","1","7","1") = "8"
    & skf18("3","2","9","6","1","8","1") = "8"
    & skf18("3","2","9","6","1","9","1") = "8"
    & skf18("3","2","9","6","1","10","1") = "9"
    & skf18("3","2","9","6","2","1","1") = "8"
    & skf18("3","2","9","6","2","2","1") = "8"
    & skf18("3","2","9","6","2","3","1") = "8"
    & skf18("3","2","9","6","2","4","1") = "8"
    & skf18("3","2","9","6","2","5","1") = "8"
    & skf18("3","2","9","6","2","6","1") = "8"
    & skf18("3","2","9","6","2","7","1") = "8"
    & skf18("3","2","9","6","2","8","1") = "8"
    & skf18("3","2","9","6","2","9","1") = "8"
    & skf18("3","2","9","6","2","10","1") = "9"
    & skf18("3","2","9","6","3","1","1") = "8"
    & skf18("3","2","9","6","3","2","1") = "8"
    & skf18("3","2","9","6","3","3","1") = "8"
    & skf18("3","2","9","6","3","4","1") = "8"
    & skf18("3","2","9","6","3","5","1") = "8"
    & skf18("3","2","9","6","3","6","1") = "8"
    & skf18("3","2","9","6","3","7","1") = "8"
    & skf18("3","2","9","6","3","8","1") = "8"
    & skf18("3","2","9","6","3","9","1") = "8"
    & skf18("3","2","9","6","3","10","1") = "9"
    & skf18("3","2","9","6","4","1","1") = "8"
    & skf18("3","2","9","6","4","2","1") = "8"
    & skf18("3","2","9","6","4","3","1") = "8"
    & skf18("3","2","9","6","4","4","1") = "8"
    & skf18("3","2","9","6","4","5","1") = "8"
    & skf18("3","2","9","6","4","6","1") = "8"
    & skf18("3","2","9","6","4","7","1") = "8"
    & skf18("3","2","9","6","4","8","1") = "8"
    & skf18("3","2","9","6","4","9","1") = "8"
    & skf18("3","2","9","6","4","10","1") = "9"
    & skf18("3","2","9","6","5","1","1") = "8"
    & skf18("3","2","9","6","5","2","1") = "8"
    & skf18("3","2","9","6","5","3","1") = "8"
    & skf18("3","2","9","6","5","4","1") = "8"
    & skf18("3","2","9","6","5","5","1") = "8"
    & skf18("3","2","9","6","5","6","1") = "8"
    & skf18("3","2","9","6","5","7","1") = "8"
    & skf18("3","2","9","6","5","8","1") = "8"
    & skf18("3","2","9","6","5","9","1") = "8"
    & skf18("3","2","9","6","5","10","1") = "9"
    & skf18("3","2","9","6","6","1","1") = "8"
    & skf18("3","2","9","6","6","2","1") = "8"
    & skf18("3","2","9","6","6","3","1") = "8"
    & skf18("3","2","9","6","6","4","1") = "8"
    & skf18("3","2","9","6","6","5","1") = "8"
    & skf18("3","2","9","6","6","6","1") = "8"
    & skf18("3","2","9","6","6","7","1") = "8"
    & skf18("3","2","9","6","6","8","1") = "8"
    & skf18("3","2","9","6","6","9","1") = "8"
    & skf18("3","2","9","6","6","10","1") = "9"
    & skf18("3","2","9","6","7","1","1") = "8"
    & skf18("3","2","9","6","7","2","1") = "8"
    & skf18("3","2","9","6","7","3","1") = "8"
    & skf18("3","2","9","6","7","4","1") = "8"
    & skf18("3","2","9","6","7","5","1") = "8"
    & skf18("3","2","9","6","7","6","1") = "8"
    & skf18("3","2","9","6","7","7","1") = "8"
    & skf18("3","2","9","6","7","8","1") = "8"
    & skf18("3","2","9","6","7","9","1") = "8"
    & skf18("3","2","9","6","7","10","1") = "9"
    & skf18("3","2","9","6","8","1","1") = "8"
    & skf18("3","2","9","6","8","2","1") = "8"
    & skf18("3","2","9","6","8","3","1") = "8"
    & skf18("3","2","9","6","8","4","1") = "8"
    & skf18("3","2","9","6","8","5","1") = "8"
    & skf18("3","2","9","6","8","6","1") = "8"
    & skf18("3","2","9","6","8","7","1") = "8"
    & skf18("3","2","9","6","8","8","1") = "8"
    & skf18("3","2","9","6","8","9","1") = "8"
    & skf18("3","2","9","6","8","10","1") = "9"
    & skf18("3","2","9","6","9","1","1") = "8"
    & skf18("3","2","9","6","9","2","1") = "8"
    & skf18("3","2","9","6","9","3","1") = "8"
    & skf18("3","2","9","6","9","4","1") = "8"
    & skf18("3","2","9","6","9","5","1") = "8"
    & skf18("3","2","9","6","9","6","1") = "8"
    & skf18("3","2","9","6","9","7","1") = "8"
    & skf18("3","2","9","6","9","8","1") = "8"
    & skf18("3","2","9","6","9","9","1") = "8"
    & skf18("3","2","9","6","9","10","1") = "9"
    & skf18("3","2","9","6","10","1","1") = "9"
    & skf18("3","2","9","6","10","2","1") = "9"
    & skf18("3","2","9","6","10","3","1") = "9"
    & skf18("3","2","9","6","10","4","1") = "9"
    & skf18("3","2","9","6","10","5","1") = "9"
    & skf18("3","2","9","6","10","6","1") = "9"
    & skf18("3","2","9","6","10","7","1") = "9"
    & skf18("3","2","9","6","10","8","1") = "9"
    & skf18("3","2","9","6","10","9","1") = "9"
    & skf18("3","2","9","6","10","10","1") = "9"
    & skf18("3","2","9","7","1","1","1") = "8"
    & skf18("3","2","9","7","1","2","1") = "8"
    & skf18("3","2","9","7","1","3","1") = "8"
    & skf18("3","2","9","7","1","4","1") = "8"
    & skf18("3","2","9","7","1","5","1") = "8"
    & skf18("3","2","9","7","1","6","1") = "8"
    & skf18("3","2","9","7","1","7","1") = "8"
    & skf18("3","2","9","7","1","8","1") = "8"
    & skf18("3","2","9","7","1","9","1") = "8"
    & skf18("3","2","9","7","1","10","1") = "9"
    & skf18("3","2","9","7","2","1","1") = "8"
    & skf18("3","2","9","7","2","2","1") = "8"
    & skf18("3","2","9","7","2","3","1") = "8"
    & skf18("3","2","9","7","2","4","1") = "8"
    & skf18("3","2","9","7","2","5","1") = "8"
    & skf18("3","2","9","7","2","6","1") = "8"
    & skf18("3","2","9","7","2","7","1") = "8"
    & skf18("3","2","9","7","2","8","1") = "8"
    & skf18("3","2","9","7","2","9","1") = "8"
    & skf18("3","2","9","7","2","10","1") = "9"
    & skf18("3","2","9","7","3","1","1") = "8"
    & skf18("3","2","9","7","3","2","1") = "8"
    & skf18("3","2","9","7","3","3","1") = "8"
    & skf18("3","2","9","7","3","4","1") = "8"
    & skf18("3","2","9","7","3","5","1") = "8"
    & skf18("3","2","9","7","3","6","1") = "8"
    & skf18("3","2","9","7","3","7","1") = "8"
    & skf18("3","2","9","7","3","8","1") = "8"
    & skf18("3","2","9","7","3","9","1") = "8"
    & skf18("3","2","9","7","3","10","1") = "9"
    & skf18("3","2","9","7","4","1","1") = "8"
    & skf18("3","2","9","7","4","2","1") = "8"
    & skf18("3","2","9","7","4","3","1") = "8"
    & skf18("3","2","9","7","4","4","1") = "8"
    & skf18("3","2","9","7","4","5","1") = "8"
    & skf18("3","2","9","7","4","6","1") = "8"
    & skf18("3","2","9","7","4","7","1") = "8"
    & skf18("3","2","9","7","4","8","1") = "8"
    & skf18("3","2","9","7","4","9","1") = "8"
    & skf18("3","2","9","7","4","10","1") = "9"
    & skf18("3","2","9","7","5","1","1") = "8"
    & skf18("3","2","9","7","5","2","1") = "8"
    & skf18("3","2","9","7","5","3","1") = "8"
    & skf18("3","2","9","7","5","4","1") = "8"
    & skf18("3","2","9","7","5","5","1") = "8"
    & skf18("3","2","9","7","5","6","1") = "8"
    & skf18("3","2","9","7","5","7","1") = "8"
    & skf18("3","2","9","7","5","8","1") = "8"
    & skf18("3","2","9","7","5","9","1") = "8"
    & skf18("3","2","9","7","5","10","1") = "9"
    & skf18("3","2","9","7","6","1","1") = "8"
    & skf18("3","2","9","7","6","2","1") = "8"
    & skf18("3","2","9","7","6","3","1") = "8"
    & skf18("3","2","9","7","6","4","1") = "8"
    & skf18("3","2","9","7","6","5","1") = "8"
    & skf18("3","2","9","7","6","6","1") = "8"
    & skf18("3","2","9","7","6","7","1") = "8"
    & skf18("3","2","9","7","6","8","1") = "8"
    & skf18("3","2","9","7","6","9","1") = "8"
    & skf18("3","2","9","7","6","10","1") = "9"
    & skf18("3","2","9","7","7","1","1") = "8"
    & skf18("3","2","9","7","7","2","1") = "8"
    & skf18("3","2","9","7","7","3","1") = "8"
    & skf18("3","2","9","7","7","4","1") = "8"
    & skf18("3","2","9","7","7","5","1") = "8"
    & skf18("3","2","9","7","7","6","1") = "8"
    & skf18("3","2","9","7","7","7","1") = "8"
    & skf18("3","2","9","7","7","8","1") = "8"
    & skf18("3","2","9","7","7","9","1") = "8"
    & skf18("3","2","9","7","7","10","1") = "9"
    & skf18("3","2","9","7","8","1","1") = "8"
    & skf18("3","2","9","7","8","2","1") = "8"
    & skf18("3","2","9","7","8","3","1") = "8"
    & skf18("3","2","9","7","8","4","1") = "8"
    & skf18("3","2","9","7","8","5","1") = "8"
    & skf18("3","2","9","7","8","6","1") = "8"
    & skf18("3","2","9","7","8","7","1") = "8"
    & skf18("3","2","9","7","8","8","1") = "8"
    & skf18("3","2","9","7","8","9","1") = "8"
    & skf18("3","2","9","7","8","10","1") = "9"
    & skf18("3","2","9","7","9","1","1") = "8"
    & skf18("3","2","9","7","9","2","1") = "8"
    & skf18("3","2","9","7","9","3","1") = "8"
    & skf18("3","2","9","7","9","4","1") = "8"
    & skf18("3","2","9","7","9","5","1") = "8"
    & skf18("3","2","9","7","9","6","1") = "8"
    & skf18("3","2","9","7","9","7","1") = "8"
    & skf18("3","2","9","7","9","8","1") = "8"
    & skf18("3","2","9","7","9","9","1") = "8"
    & skf18("3","2","9","7","9","10","1") = "9"
    & skf18("3","2","9","7","10","1","1") = "9"
    & skf18("3","2","9","7","10","2","1") = "9"
    & skf18("3","2","9","7","10","3","1") = "9"
    & skf18("3","2","9","7","10","4","1") = "9"
    & skf18("3","2","9","7","10","5","1") = "9"
    & skf18("3","2","9","7","10","6","1") = "9"
    & skf18("3","2","9","7","10","7","1") = "9"
    & skf18("3","2","9","7","10","8","1") = "9"
    & skf18("3","2","9","7","10","9","1") = "9"
    & skf18("3","2","9","7","10","10","1") = "9"
    & skf18("3","2","9","8","1","1","1") = "8"
    & skf18("3","2","9","8","1","2","1") = "8"
    & skf18("3","2","9","8","1","3","1") = "8"
    & skf18("3","2","9","8","1","4","1") = "8"
    & skf18("3","2","9","8","1","5","1") = "8"
    & skf18("3","2","9","8","1","6","1") = "8"
    & skf18("3","2","9","8","1","7","1") = "8"
    & skf18("3","2","9","8","1","8","1") = "8"
    & skf18("3","2","9","8","1","9","1") = "8"
    & skf18("3","2","9","8","1","10","1") = "9"
    & skf18("3","2","9","8","2","1","1") = "8"
    & skf18("3","2","9","8","2","2","1") = "8"
    & skf18("3","2","9","8","2","3","1") = "8"
    & skf18("3","2","9","8","2","4","1") = "8"
    & skf18("3","2","9","8","2","5","1") = "8"
    & skf18("3","2","9","8","2","6","1") = "8"
    & skf18("3","2","9","8","2","7","1") = "8"
    & skf18("3","2","9","8","2","8","1") = "8"
    & skf18("3","2","9","8","2","9","1") = "8"
    & skf18("3","2","9","8","2","10","1") = "9"
    & skf18("3","2","9","8","3","1","1") = "8"
    & skf18("3","2","9","8","3","2","1") = "8"
    & skf18("3","2","9","8","3","3","1") = "8"
    & skf18("3","2","9","8","3","4","1") = "8"
    & skf18("3","2","9","8","3","5","1") = "8"
    & skf18("3","2","9","8","3","6","1") = "8"
    & skf18("3","2","9","8","3","7","1") = "8"
    & skf18("3","2","9","8","3","8","1") = "8"
    & skf18("3","2","9","8","3","9","1") = "8"
    & skf18("3","2","9","8","3","10","1") = "9"
    & skf18("3","2","9","8","4","1","1") = "8"
    & skf18("3","2","9","8","4","2","1") = "8"
    & skf18("3","2","9","8","4","3","1") = "8"
    & skf18("3","2","9","8","4","4","1") = "8"
    & skf18("3","2","9","8","4","5","1") = "8"
    & skf18("3","2","9","8","4","6","1") = "8"
    & skf18("3","2","9","8","4","7","1") = "8"
    & skf18("3","2","9","8","4","8","1") = "8"
    & skf18("3","2","9","8","4","9","1") = "8"
    & skf18("3","2","9","8","4","10","1") = "9"
    & skf18("3","2","9","8","5","1","1") = "8"
    & skf18("3","2","9","8","5","2","1") = "8"
    & skf18("3","2","9","8","5","3","1") = "8"
    & skf18("3","2","9","8","5","4","1") = "8"
    & skf18("3","2","9","8","5","5","1") = "8"
    & skf18("3","2","9","8","5","6","1") = "8"
    & skf18("3","2","9","8","5","7","1") = "8"
    & skf18("3","2","9","8","5","8","1") = "8"
    & skf18("3","2","9","8","5","9","1") = "8"
    & skf18("3","2","9","8","5","10","1") = "9"
    & skf18("3","2","9","8","6","1","1") = "8"
    & skf18("3","2","9","8","6","2","1") = "8"
    & skf18("3","2","9","8","6","3","1") = "8"
    & skf18("3","2","9","8","6","4","1") = "8"
    & skf18("3","2","9","8","6","5","1") = "8"
    & skf18("3","2","9","8","6","6","1") = "8"
    & skf18("3","2","9","8","6","7","1") = "8"
    & skf18("3","2","9","8","6","8","1") = "8"
    & skf18("3","2","9","8","6","9","1") = "8"
    & skf18("3","2","9","8","6","10","1") = "9"
    & skf18("3","2","9","8","7","1","1") = "8"
    & skf18("3","2","9","8","7","2","1") = "8"
    & skf18("3","2","9","8","7","3","1") = "8"
    & skf18("3","2","9","8","7","4","1") = "8"
    & skf18("3","2","9","8","7","5","1") = "8"
    & skf18("3","2","9","8","7","6","1") = "8"
    & skf18("3","2","9","8","7","7","1") = "8"
    & skf18("3","2","9","8","7","8","1") = "8"
    & skf18("3","2","9","8","7","9","1") = "8"
    & skf18("3","2","9","8","7","10","1") = "9"
    & skf18("3","2","9","8","8","1","1") = "8"
    & skf18("3","2","9","8","8","2","1") = "8"
    & skf18("3","2","9","8","8","3","1") = "8"
    & skf18("3","2","9","8","8","4","1") = "8"
    & skf18("3","2","9","8","8","5","1") = "8"
    & skf18("3","2","9","8","8","6","1") = "8"
    & skf18("3","2","9","8","8","7","1") = "8"
    & skf18("3","2","9","8","8","8","1") = "8"
    & skf18("3","2","9","8","8","9","1") = "8"
    & skf18("3","2","9","8","8","10","1") = "9"
    & skf18("3","2","9","8","9","1","1") = "8"
    & skf18("3","2","9","8","9","2","1") = "8"
    & skf18("3","2","9","8","9","3","1") = "8"
    & skf18("3","2","9","8","9","4","1") = "8"
    & skf18("3","2","9","8","9","5","1") = "8"
    & skf18("3","2","9","8","9","6","1") = "8"
    & skf18("3","2","9","8","9","7","1") = "8"
    & skf18("3","2","9","8","9","8","1") = "8"
    & skf18("3","2","9","8","9","9","1") = "8"
    & skf18("3","2","9","8","9","10","1") = "9"
    & skf18("3","2","9","8","10","1","1") = "9"
    & skf18("3","2","9","8","10","2","1") = "9"
    & skf18("3","2","9","8","10","3","1") = "9"
    & skf18("3","2","9","8","10","4","1") = "9"
    & skf18("3","2","9","8","10","5","1") = "9"
    & skf18("3","2","9","8","10","6","1") = "9"
    & skf18("3","2","9","8","10","7","1") = "9"
    & skf18("3","2","9","8","10","8","1") = "9"
    & skf18("3","2","9","8","10","9","1") = "9"
    & skf18("3","2","9","8","10","10","1") = "9"
    & skf18("3","2","9","9","1","1","1") = "8"
    & skf18("3","2","9","9","1","2","1") = "8"
    & skf18("3","2","9","9","1","3","1") = "8"
    & skf18("3","2","9","9","1","4","1") = "8"
    & skf18("3","2","9","9","1","5","1") = "8"
    & skf18("3","2","9","9","1","6","1") = "8"
    & skf18("3","2","9","9","1","7","1") = "8"
    & skf18("3","2","9","9","1","8","1") = "8"
    & skf18("3","2","9","9","1","9","1") = "8"
    & skf18("3","2","9","9","1","10","1") = "9"
    & skf18("3","2","9","9","2","1","1") = "8"
    & skf18("3","2","9","9","2","2","1") = "8"
    & skf18("3","2","9","9","2","3","1") = "8"
    & skf18("3","2","9","9","2","4","1") = "8"
    & skf18("3","2","9","9","2","5","1") = "8"
    & skf18("3","2","9","9","2","6","1") = "8"
    & skf18("3","2","9","9","2","7","1") = "8"
    & skf18("3","2","9","9","2","8","1") = "8"
    & skf18("3","2","9","9","2","9","1") = "8"
    & skf18("3","2","9","9","2","10","1") = "9"
    & skf18("3","2","9","9","3","1","1") = "8"
    & skf18("3","2","9","9","3","2","1") = "8"
    & skf18("3","2","9","9","3","3","1") = "8"
    & skf18("3","2","9","9","3","4","1") = "8"
    & skf18("3","2","9","9","3","5","1") = "8"
    & skf18("3","2","9","9","3","6","1") = "8"
    & skf18("3","2","9","9","3","7","1") = "8"
    & skf18("3","2","9","9","3","8","1") = "8"
    & skf18("3","2","9","9","3","9","1") = "8"
    & skf18("3","2","9","9","3","10","1") = "9"
    & skf18("3","2","9","9","4","1","1") = "8"
    & skf18("3","2","9","9","4","2","1") = "8"
    & skf18("3","2","9","9","4","3","1") = "8"
    & skf18("3","2","9","9","4","4","1") = "8"
    & skf18("3","2","9","9","4","5","1") = "8"
    & skf18("3","2","9","9","4","6","1") = "8"
    & skf18("3","2","9","9","4","7","1") = "8"
    & skf18("3","2","9","9","4","8","1") = "8"
    & skf18("3","2","9","9","4","9","1") = "8"
    & skf18("3","2","9","9","4","10","1") = "9"
    & skf18("3","2","9","9","5","1","1") = "8"
    & skf18("3","2","9","9","5","2","1") = "8"
    & skf18("3","2","9","9","5","3","1") = "8"
    & skf18("3","2","9","9","5","4","1") = "8"
    & skf18("3","2","9","9","5","5","1") = "8"
    & skf18("3","2","9","9","5","6","1") = "8"
    & skf18("3","2","9","9","5","7","1") = "8"
    & skf18("3","2","9","9","5","8","1") = "8"
    & skf18("3","2","9","9","5","9","1") = "8"
    & skf18("3","2","9","9","5","10","1") = "9"
    & skf18("3","2","9","9","6","1","1") = "8"
    & skf18("3","2","9","9","6","2","1") = "8"
    & skf18("3","2","9","9","6","3","1") = "8"
    & skf18("3","2","9","9","6","4","1") = "8"
    & skf18("3","2","9","9","6","5","1") = "8"
    & skf18("3","2","9","9","6","6","1") = "8"
    & skf18("3","2","9","9","6","7","1") = "8"
    & skf18("3","2","9","9","6","8","1") = "8"
    & skf18("3","2","9","9","6","9","1") = "8"
    & skf18("3","2","9","9","6","10","1") = "9"
    & skf18("3","2","9","9","7","1","1") = "8"
    & skf18("3","2","9","9","7","2","1") = "8"
    & skf18("3","2","9","9","7","3","1") = "8"
    & skf18("3","2","9","9","7","4","1") = "8"
    & skf18("3","2","9","9","7","5","1") = "8"
    & skf18("3","2","9","9","7","6","1") = "8"
    & skf18("3","2","9","9","7","7","1") = "8"
    & skf18("3","2","9","9","7","8","1") = "8"
    & skf18("3","2","9","9","7","9","1") = "8"
    & skf18("3","2","9","9","7","10","1") = "9"
    & skf18("3","2","9","9","8","1","1") = "8"
    & skf18("3","2","9","9","8","2","1") = "8"
    & skf18("3","2","9","9","8","3","1") = "8"
    & skf18("3","2","9","9","8","4","1") = "8"
    & skf18("3","2","9","9","8","5","1") = "8"
    & skf18("3","2","9","9","8","6","1") = "8"
    & skf18("3","2","9","9","8","7","1") = "8"
    & skf18("3","2","9","9","8","8","1") = "8"
    & skf18("3","2","9","9","8","9","1") = "8"
    & skf18("3","2","9","9","8","10","1") = "9"
    & skf18("3","2","9","9","9","1","1") = "8"
    & skf18("3","2","9","9","9","2","1") = "8"
    & skf18("3","2","9","9","9","3","1") = "8"
    & skf18("3","2","9","9","9","4","1") = "8"
    & skf18("3","2","9","9","9","5","1") = "8"
    & skf18("3","2","9","9","9","6","1") = "8"
    & skf18("3","2","9","9","9","7","1") = "8"
    & skf18("3","2","9","9","9","8","1") = "8"
    & skf18("3","2","9","9","9","9","1") = "8"
    & skf18("3","2","9","9","9","10","1") = "9"
    & skf18("3","2","9","9","10","1","1") = "9"
    & skf18("3","2","9","9","10","2","1") = "9"
    & skf18("3","2","9","9","10","3","1") = "9"
    & skf18("3","2","9","9","10","4","1") = "9"
    & skf18("3","2","9","9","10","5","1") = "9"
    & skf18("3","2","9","9","10","6","1") = "9"
    & skf18("3","2","9","9","10","7","1") = "9"
    & skf18("3","2","9","9","10","8","1") = "9"
    & skf18("3","2","9","9","10","9","1") = "9"
    & skf18("3","2","9","9","10","10","1") = "9"
    & skf18("3","2","9","10","1","1","1") = "9"
    & skf18("3","2","9","10","1","2","1") = "9"
    & skf18("3","2","9","10","1","3","1") = "9"
    & skf18("3","2","9","10","1","4","1") = "9"
    & skf18("3","2","9","10","1","5","1") = "9"
    & skf18("3","2","9","10","1","6","1") = "9"
    & skf18("3","2","9","10","1","7","1") = "9"
    & skf18("3","2","9","10","1","8","1") = "9"
    & skf18("3","2","9","10","1","9","1") = "9"
    & skf18("3","2","9","10","1","10","1") = "9"
    & skf18("3","2","9","10","2","1","1") = "9"
    & skf18("3","2","9","10","2","2","1") = "9"
    & skf18("3","2","9","10","2","3","1") = "9"
    & skf18("3","2","9","10","2","4","1") = "9"
    & skf18("3","2","9","10","2","5","1") = "9"
    & skf18("3","2","9","10","2","6","1") = "9"
    & skf18("3","2","9","10","2","7","1") = "9"
    & skf18("3","2","9","10","2","8","1") = "9"
    & skf18("3","2","9","10","2","9","1") = "9"
    & skf18("3","2","9","10","2","10","1") = "9"
    & skf18("3","2","9","10","3","1","1") = "9"
    & skf18("3","2","9","10","3","2","1") = "9"
    & skf18("3","2","9","10","3","3","1") = "9"
    & skf18("3","2","9","10","3","4","1") = "9"
    & skf18("3","2","9","10","3","5","1") = "9"
    & skf18("3","2","9","10","3","6","1") = "9"
    & skf18("3","2","9","10","3","7","1") = "9"
    & skf18("3","2","9","10","3","8","1") = "9"
    & skf18("3","2","9","10","3","9","1") = "9"
    & skf18("3","2","9","10","3","10","1") = "9"
    & skf18("3","2","9","10","4","1","1") = "9"
    & skf18("3","2","9","10","4","2","1") = "9"
    & skf18("3","2","9","10","4","3","1") = "9"
    & skf18("3","2","9","10","4","4","1") = "9"
    & skf18("3","2","9","10","4","5","1") = "9"
    & skf18("3","2","9","10","4","6","1") = "9"
    & skf18("3","2","9","10","4","7","1") = "9"
    & skf18("3","2","9","10","4","8","1") = "9"
    & skf18("3","2","9","10","4","9","1") = "9"
    & skf18("3","2","9","10","4","10","1") = "9"
    & skf18("3","2","9","10","5","1","1") = "9"
    & skf18("3","2","9","10","5","2","1") = "9"
    & skf18("3","2","9","10","5","3","1") = "9"
    & skf18("3","2","9","10","5","4","1") = "9"
    & skf18("3","2","9","10","5","5","1") = "9"
    & skf18("3","2","9","10","5","6","1") = "9"
    & skf18("3","2","9","10","5","7","1") = "9"
    & skf18("3","2","9","10","5","8","1") = "9"
    & skf18("3","2","9","10","5","9","1") = "9"
    & skf18("3","2","9","10","5","10","1") = "9"
    & skf18("3","2","9","10","6","1","1") = "9"
    & skf18("3","2","9","10","6","2","1") = "9"
    & skf18("3","2","9","10","6","3","1") = "9"
    & skf18("3","2","9","10","6","4","1") = "9"
    & skf18("3","2","9","10","6","5","1") = "9"
    & skf18("3","2","9","10","6","6","1") = "9"
    & skf18("3","2","9","10","6","7","1") = "9"
    & skf18("3","2","9","10","6","8","1") = "9"
    & skf18("3","2","9","10","6","9","1") = "9"
    & skf18("3","2","9","10","6","10","1") = "9"
    & skf18("3","2","9","10","7","1","1") = "9"
    & skf18("3","2","9","10","7","2","1") = "9"
    & skf18("3","2","9","10","7","3","1") = "9"
    & skf18("3","2","9","10","7","4","1") = "9"
    & skf18("3","2","9","10","7","5","1") = "9"
    & skf18("3","2","9","10","7","6","1") = "9"
    & skf18("3","2","9","10","7","7","1") = "9"
    & skf18("3","2","9","10","7","8","1") = "9"
    & skf18("3","2","9","10","7","9","1") = "9"
    & skf18("3","2","9","10","7","10","1") = "9"
    & skf18("3","2","9","10","8","1","1") = "9"
    & skf18("3","2","9","10","8","2","1") = "9"
    & skf18("3","2","9","10","8","3","1") = "9"
    & skf18("3","2","9","10","8","4","1") = "9"
    & skf18("3","2","9","10","8","5","1") = "9"
    & skf18("3","2","9","10","8","6","1") = "9"
    & skf18("3","2","9","10","8","7","1") = "9"
    & skf18("3","2","9","10","8","8","1") = "9"
    & skf18("3","2","9","10","8","9","1") = "9"
    & skf18("3","2","9","10","8","10","1") = "9"
    & skf18("3","2","9","10","9","1","1") = "9"
    & skf18("3","2","9","10","9","2","1") = "9"
    & skf18("3","2","9","10","9","3","1") = "9"
    & skf18("3","2","9","10","9","4","1") = "9"
    & skf18("3","2","9","10","9","5","1") = "9"
    & skf18("3","2","9","10","9","6","1") = "9"
    & skf18("3","2","9","10","9","7","1") = "9"
    & skf18("3","2","9","10","9","8","1") = "9"
    & skf18("3","2","9","10","9","9","1") = "9"
    & skf18("3","2","9","10","9","10","1") = "9"
    & skf18("3","2","9","10","10","1","1") = "9"
    & skf18("3","2","9","10","10","2","1") = "9"
    & skf18("3","2","9","10","10","3","1") = "9"
    & skf18("3","2","9","10","10","4","1") = "9"
    & skf18("3","2","9","10","10","5","1") = "9"
    & skf18("3","2","9","10","10","6","1") = "9"
    & skf18("3","2","9","10","10","7","1") = "9"
    & skf18("3","2","9","10","10","8","1") = "9"
    & skf18("3","2","9","10","10","9","1") = "9"
    & skf18("3","2","9","10","10","10","1") = "9"
    & skf18("3","2","10","1","1","1","1") = "9"
    & skf18("3","2","10","1","1","2","1") = "9"
    & skf18("3","2","10","1","1","3","1") = "9"
    & skf18("3","2","10","1","1","4","1") = "9"
    & skf18("3","2","10","1","1","5","1") = "9"
    & skf18("3","2","10","1","1","6","1") = "9"
    & skf18("3","2","10","1","1","7","1") = "9"
    & skf18("3","2","10","1","1","8","1") = "9"
    & skf18("3","2","10","1","1","9","1") = "9"
    & skf18("3","2","10","1","1","10","1") = "9"
    & skf18("3","2","10","1","2","1","1") = "9"
    & skf18("3","2","10","1","2","2","1") = "9"
    & skf18("3","2","10","1","2","3","1") = "9"
    & skf18("3","2","10","1","2","4","1") = "9"
    & skf18("3","2","10","1","2","5","1") = "9"
    & skf18("3","2","10","1","2","6","1") = "9"
    & skf18("3","2","10","1","2","7","1") = "9"
    & skf18("3","2","10","1","2","8","1") = "9"
    & skf18("3","2","10","1","2","9","1") = "9"
    & skf18("3","2","10","1","2","10","1") = "9"
    & skf18("3","2","10","1","3","1","1") = "9"
    & skf18("3","2","10","1","3","2","1") = "9"
    & skf18("3","2","10","1","3","3","1") = "9"
    & skf18("3","2","10","1","3","4","1") = "9"
    & skf18("3","2","10","1","3","5","1") = "9"
    & skf18("3","2","10","1","3","6","1") = "9"
    & skf18("3","2","10","1","3","7","1") = "9"
    & skf18("3","2","10","1","3","8","1") = "9"
    & skf18("3","2","10","1","3","9","1") = "9"
    & skf18("3","2","10","1","3","10","1") = "9"
    & skf18("3","2","10","1","4","1","1") = "9"
    & skf18("3","2","10","1","4","2","1") = "9"
    & skf18("3","2","10","1","4","3","1") = "9"
    & skf18("3","2","10","1","4","4","1") = "9"
    & skf18("3","2","10","1","4","5","1") = "9"
    & skf18("3","2","10","1","4","6","1") = "9"
    & skf18("3","2","10","1","4","7","1") = "9"
    & skf18("3","2","10","1","4","8","1") = "9"
    & skf18("3","2","10","1","4","9","1") = "9"
    & skf18("3","2","10","1","4","10","1") = "9"
    & skf18("3","2","10","1","5","1","1") = "9"
    & skf18("3","2","10","1","5","2","1") = "9"
    & skf18("3","2","10","1","5","3","1") = "9"
    & skf18("3","2","10","1","5","4","1") = "9"
    & skf18("3","2","10","1","5","5","1") = "9"
    & skf18("3","2","10","1","5","6","1") = "9"
    & skf18("3","2","10","1","5","7","1") = "9"
    & skf18("3","2","10","1","5","8","1") = "9"
    & skf18("3","2","10","1","5","9","1") = "9"
    & skf18("3","2","10","1","5","10","1") = "9"
    & skf18("3","2","10","1","6","1","1") = "9"
    & skf18("3","2","10","1","6","2","1") = "9"
    & skf18("3","2","10","1","6","3","1") = "9"
    & skf18("3","2","10","1","6","4","1") = "9"
    & skf18("3","2","10","1","6","5","1") = "9"
    & skf18("3","2","10","1","6","6","1") = "9"
    & skf18("3","2","10","1","6","7","1") = "9"
    & skf18("3","2","10","1","6","8","1") = "9"
    & skf18("3","2","10","1","6","9","1") = "9"
    & skf18("3","2","10","1","6","10","1") = "9"
    & skf18("3","2","10","1","7","1","1") = "9"
    & skf18("3","2","10","1","7","2","1") = "9"
    & skf18("3","2","10","1","7","3","1") = "9"
    & skf18("3","2","10","1","7","4","1") = "9"
    & skf18("3","2","10","1","7","5","1") = "9"
    & skf18("3","2","10","1","7","6","1") = "9"
    & skf18("3","2","10","1","7","7","1") = "9"
    & skf18("3","2","10","1","7","8","1") = "9"
    & skf18("3","2","10","1","7","9","1") = "9"
    & skf18("3","2","10","1","7","10","1") = "9"
    & skf18("3","2","10","1","8","1","1") = "9"
    & skf18("3","2","10","1","8","2","1") = "9"
    & skf18("3","2","10","1","8","3","1") = "9"
    & skf18("3","2","10","1","8","4","1") = "9"
    & skf18("3","2","10","1","8","5","1") = "9"
    & skf18("3","2","10","1","8","6","1") = "9"
    & skf18("3","2","10","1","8","7","1") = "9"
    & skf18("3","2","10","1","8","8","1") = "9"
    & skf18("3","2","10","1","8","9","1") = "9"
    & skf18("3","2","10","1","8","10","1") = "9"
    & skf18("3","2","10","1","9","1","1") = "9"
    & skf18("3","2","10","1","9","2","1") = "9"
    & skf18("3","2","10","1","9","3","1") = "9"
    & skf18("3","2","10","1","9","4","1") = "9"
    & skf18("3","2","10","1","9","5","1") = "9"
    & skf18("3","2","10","1","9","6","1") = "9"
    & skf18("3","2","10","1","9","7","1") = "9"
    & skf18("3","2","10","1","9","8","1") = "9"
    & skf18("3","2","10","1","9","9","1") = "9"
    & skf18("3","2","10","1","9","10","1") = "9"
    & skf18("3","2","10","1","10","1","1") = "9"
    & skf18("3","2","10","1","10","2","1") = "9"
    & skf18("3","2","10","1","10","3","1") = "9"
    & skf18("3","2","10","1","10","4","1") = "9"
    & skf18("3","2","10","1","10","5","1") = "9"
    & skf18("3","2","10","1","10","6","1") = "9"
    & skf18("3","2","10","1","10","7","1") = "9"
    & skf18("3","2","10","1","10","8","1") = "9"
    & skf18("3","2","10","1","10","9","1") = "9"
    & skf18("3","2","10","1","10","10","1") = "9"
    & skf18("3","2","10","2","1","1","1") = "9"
    & skf18("3","2","10","2","1","2","1") = "9"
    & skf18("3","2","10","2","1","3","1") = "9"
    & skf18("3","2","10","2","1","4","1") = "9"
    & skf18("3","2","10","2","1","5","1") = "9"
    & skf18("3","2","10","2","1","6","1") = "9"
    & skf18("3","2","10","2","1","7","1") = "9"
    & skf18("3","2","10","2","1","8","1") = "9"
    & skf18("3","2","10","2","1","9","1") = "9"
    & skf18("3","2","10","2","1","10","1") = "9"
    & skf18("3","2","10","2","2","1","1") = "9"
    & skf18("3","2","10","2","2","2","1") = "9"
    & skf18("3","2","10","2","2","3","1") = "9"
    & skf18("3","2","10","2","2","4","1") = "9"
    & skf18("3","2","10","2","2","5","1") = "9"
    & skf18("3","2","10","2","2","6","1") = "9"
    & skf18("3","2","10","2","2","7","1") = "9"
    & skf18("3","2","10","2","2","8","1") = "9"
    & skf18("3","2","10","2","2","9","1") = "9"
    & skf18("3","2","10","2","2","10","1") = "9"
    & skf18("3","2","10","2","3","1","1") = "9"
    & skf18("3","2","10","2","3","2","1") = "9"
    & skf18("3","2","10","2","3","3","1") = "9"
    & skf18("3","2","10","2","3","4","1") = "9"
    & skf18("3","2","10","2","3","5","1") = "9"
    & skf18("3","2","10","2","3","6","1") = "9"
    & skf18("3","2","10","2","3","7","1") = "9"
    & skf18("3","2","10","2","3","8","1") = "9"
    & skf18("3","2","10","2","3","9","1") = "9"
    & skf18("3","2","10","2","3","10","1") = "9"
    & skf18("3","2","10","2","4","1","1") = "9"
    & skf18("3","2","10","2","4","2","1") = "9"
    & skf18("3","2","10","2","4","3","1") = "9"
    & skf18("3","2","10","2","4","4","1") = "9"
    & skf18("3","2","10","2","4","5","1") = "9"
    & skf18("3","2","10","2","4","6","1") = "9"
    & skf18("3","2","10","2","4","7","1") = "9"
    & skf18("3","2","10","2","4","8","1") = "9"
    & skf18("3","2","10","2","4","9","1") = "9"
    & skf18("3","2","10","2","4","10","1") = "9"
    & skf18("3","2","10","2","5","1","1") = "9"
    & skf18("3","2","10","2","5","2","1") = "9"
    & skf18("3","2","10","2","5","3","1") = "9"
    & skf18("3","2","10","2","5","4","1") = "9"
    & skf18("3","2","10","2","5","5","1") = "9"
    & skf18("3","2","10","2","5","6","1") = "9"
    & skf18("3","2","10","2","5","7","1") = "9"
    & skf18("3","2","10","2","5","8","1") = "9"
    & skf18("3","2","10","2","5","9","1") = "9"
    & skf18("3","2","10","2","5","10","1") = "9"
    & skf18("3","2","10","2","6","1","1") = "9"
    & skf18("3","2","10","2","6","2","1") = "9"
    & skf18("3","2","10","2","6","3","1") = "9"
    & skf18("3","2","10","2","6","4","1") = "9"
    & skf18("3","2","10","2","6","5","1") = "9"
    & skf18("3","2","10","2","6","6","1") = "9"
    & skf18("3","2","10","2","6","7","1") = "9"
    & skf18("3","2","10","2","6","8","1") = "9"
    & skf18("3","2","10","2","6","9","1") = "9"
    & skf18("3","2","10","2","6","10","1") = "9"
    & skf18("3","2","10","2","7","1","1") = "9"
    & skf18("3","2","10","2","7","2","1") = "9"
    & skf18("3","2","10","2","7","3","1") = "9"
    & skf18("3","2","10","2","7","4","1") = "9"
    & skf18("3","2","10","2","7","5","1") = "9"
    & skf18("3","2","10","2","7","6","1") = "9"
    & skf18("3","2","10","2","7","7","1") = "9"
    & skf18("3","2","10","2","7","8","1") = "9"
    & skf18("3","2","10","2","7","9","1") = "9"
    & skf18("3","2","10","2","7","10","1") = "9"
    & skf18("3","2","10","2","8","1","1") = "9"
    & skf18("3","2","10","2","8","2","1") = "9"
    & skf18("3","2","10","2","8","3","1") = "9"
    & skf18("3","2","10","2","8","4","1") = "9"
    & skf18("3","2","10","2","8","5","1") = "9"
    & skf18("3","2","10","2","8","6","1") = "9"
    & skf18("3","2","10","2","8","7","1") = "9"
    & skf18("3","2","10","2","8","8","1") = "9"
    & skf18("3","2","10","2","8","9","1") = "9"
    & skf18("3","2","10","2","8","10","1") = "9"
    & skf18("3","2","10","2","9","1","1") = "9"
    & skf18("3","2","10","2","9","2","1") = "9"
    & skf18("3","2","10","2","9","3","1") = "9"
    & skf18("3","2","10","2","9","4","1") = "9"
    & skf18("3","2","10","2","9","5","1") = "9"
    & skf18("3","2","10","2","9","6","1") = "9"
    & skf18("3","2","10","2","9","7","1") = "9"
    & skf18("3","2","10","2","9","8","1") = "9"
    & skf18("3","2","10","2","9","9","1") = "9"
    & skf18("3","2","10","2","9","10","1") = "9"
    & skf18("3","2","10","2","10","1","1") = "9"
    & skf18("3","2","10","2","10","2","1") = "9"
    & skf18("3","2","10","2","10","3","1") = "9"
    & skf18("3","2","10","2","10","4","1") = "9"
    & skf18("3","2","10","2","10","5","1") = "9"
    & skf18("3","2","10","2","10","6","1") = "9"
    & skf18("3","2","10","2","10","7","1") = "9"
    & skf18("3","2","10","2","10","8","1") = "9"
    & skf18("3","2","10","2","10","9","1") = "9"
    & skf18("3","2","10","2","10","10","1") = "9"
    & skf18("3","2","10","3","1","1","1") = "9"
    & skf18("3","2","10","3","1","2","1") = "9"
    & skf18("3","2","10","3","1","3","1") = "9"
    & skf18("3","2","10","3","1","4","1") = "9"
    & skf18("3","2","10","3","1","5","1") = "9"
    & skf18("3","2","10","3","1","6","1") = "9"
    & skf18("3","2","10","3","1","7","1") = "9"
    & skf18("3","2","10","3","1","8","1") = "9"
    & skf18("3","2","10","3","1","9","1") = "9"
    & skf18("3","2","10","3","1","10","1") = "9"
    & skf18("3","2","10","3","2","1","1") = "9"
    & skf18("3","2","10","3","2","2","1") = "9"
    & skf18("3","2","10","3","2","3","1") = "9"
    & skf18("3","2","10","3","2","4","1") = "9"
    & skf18("3","2","10","3","2","5","1") = "9"
    & skf18("3","2","10","3","2","6","1") = "9"
    & skf18("3","2","10","3","2","7","1") = "9"
    & skf18("3","2","10","3","2","8","1") = "9"
    & skf18("3","2","10","3","2","9","1") = "9"
    & skf18("3","2","10","3","2","10","1") = "9"
    & skf18("3","2","10","3","3","1","1") = "9"
    & skf18("3","2","10","3","3","2","1") = "9"
    & skf18("3","2","10","3","3","3","1") = "9"
    & skf18("3","2","10","3","3","4","1") = "9"
    & skf18("3","2","10","3","3","5","1") = "9"
    & skf18("3","2","10","3","3","6","1") = "9"
    & skf18("3","2","10","3","3","7","1") = "9"
    & skf18("3","2","10","3","3","8","1") = "9"
    & skf18("3","2","10","3","3","9","1") = "9"
    & skf18("3","2","10","3","3","10","1") = "9"
    & skf18("3","2","10","3","4","1","1") = "9"
    & skf18("3","2","10","3","4","2","1") = "9"
    & skf18("3","2","10","3","4","3","1") = "9"
    & skf18("3","2","10","3","4","4","1") = "9"
    & skf18("3","2","10","3","4","5","1") = "9"
    & skf18("3","2","10","3","4","6","1") = "9"
    & skf18("3","2","10","3","4","7","1") = "9"
    & skf18("3","2","10","3","4","8","1") = "9"
    & skf18("3","2","10","3","4","9","1") = "9"
    & skf18("3","2","10","3","4","10","1") = "9"
    & skf18("3","2","10","3","5","1","1") = "9"
    & skf18("3","2","10","3","5","2","1") = "9"
    & skf18("3","2","10","3","5","3","1") = "9"
    & skf18("3","2","10","3","5","4","1") = "9"
    & skf18("3","2","10","3","5","5","1") = "9"
    & skf18("3","2","10","3","5","6","1") = "9"
    & skf18("3","2","10","3","5","7","1") = "9"
    & skf18("3","2","10","3","5","8","1") = "9"
    & skf18("3","2","10","3","5","9","1") = "9"
    & skf18("3","2","10","3","5","10","1") = "9"
    & skf18("3","2","10","3","6","1","1") = "9"
    & skf18("3","2","10","3","6","2","1") = "9"
    & skf18("3","2","10","3","6","3","1") = "9"
    & skf18("3","2","10","3","6","4","1") = "9"
    & skf18("3","2","10","3","6","5","1") = "9"
    & skf18("3","2","10","3","6","6","1") = "9"
    & skf18("3","2","10","3","6","7","1") = "9"
    & skf18("3","2","10","3","6","8","1") = "9"
    & skf18("3","2","10","3","6","9","1") = "9"
    & skf18("3","2","10","3","6","10","1") = "9"
    & skf18("3","2","10","3","7","1","1") = "9"
    & skf18("3","2","10","3","7","2","1") = "9"
    & skf18("3","2","10","3","7","3","1") = "9"
    & skf18("3","2","10","3","7","4","1") = "9"
    & skf18("3","2","10","3","7","5","1") = "9"
    & skf18("3","2","10","3","7","6","1") = "9"
    & skf18("3","2","10","3","7","7","1") = "9"
    & skf18("3","2","10","3","7","8","1") = "9"
    & skf18("3","2","10","3","7","9","1") = "9"
    & skf18("3","2","10","3","7","10","1") = "9"
    & skf18("3","2","10","3","8","1","1") = "9"
    & skf18("3","2","10","3","8","2","1") = "9"
    & skf18("3","2","10","3","8","3","1") = "9"
    & skf18("3","2","10","3","8","4","1") = "9"
    & skf18("3","2","10","3","8","5","1") = "9"
    & skf18("3","2","10","3","8","6","1") = "9"
    & skf18("3","2","10","3","8","7","1") = "9"
    & skf18("3","2","10","3","8","8","1") = "9"
    & skf18("3","2","10","3","8","9","1") = "9"
    & skf18("3","2","10","3","8","10","1") = "9"
    & skf18("3","2","10","3","9","1","1") = "9"
    & skf18("3","2","10","3","9","2","1") = "9"
    & skf18("3","2","10","3","9","3","1") = "9"
    & skf18("3","2","10","3","9","4","1") = "9"
    & skf18("3","2","10","3","9","5","1") = "9"
    & skf18("3","2","10","3","9","6","1") = "9"
    & skf18("3","2","10","3","9","7","1") = "9"
    & skf18("3","2","10","3","9","8","1") = "9"
    & skf18("3","2","10","3","9","9","1") = "9"
    & skf18("3","2","10","3","9","10","1") = "9"
    & skf18("3","2","10","3","10","1","1") = "9"
    & skf18("3","2","10","3","10","2","1") = "9"
    & skf18("3","2","10","3","10","3","1") = "9"
    & skf18("3","2","10","3","10","4","1") = "9"
    & skf18("3","2","10","3","10","5","1") = "9"
    & skf18("3","2","10","3","10","6","1") = "9"
    & skf18("3","2","10","3","10","7","1") = "9"
    & skf18("3","2","10","3","10","8","1") = "9"
    & skf18("3","2","10","3","10","9","1") = "9"
    & skf18("3","2","10","3","10","10","1") = "9"
    & skf18("3","2","10","4","1","1","1") = "9"
    & skf18("3","2","10","4","1","2","1") = "9"
    & skf18("3","2","10","4","1","3","1") = "9"
    & skf18("3","2","10","4","1","4","1") = "9"
    & skf18("3","2","10","4","1","5","1") = "9"
    & skf18("3","2","10","4","1","6","1") = "9"
    & skf18("3","2","10","4","1","7","1") = "9"
    & skf18("3","2","10","4","1","8","1") = "9"
    & skf18("3","2","10","4","1","9","1") = "9"
    & skf18("3","2","10","4","1","10","1") = "9"
    & skf18("3","2","10","4","2","1","1") = "9"
    & skf18("3","2","10","4","2","2","1") = "9"
    & skf18("3","2","10","4","2","3","1") = "9"
    & skf18("3","2","10","4","2","4","1") = "9"
    & skf18("3","2","10","4","2","5","1") = "9"
    & skf18("3","2","10","4","2","6","1") = "9"
    & skf18("3","2","10","4","2","7","1") = "9"
    & skf18("3","2","10","4","2","8","1") = "9"
    & skf18("3","2","10","4","2","9","1") = "9"
    & skf18("3","2","10","4","2","10","1") = "9"
    & skf18("3","2","10","4","3","1","1") = "9"
    & skf18("3","2","10","4","3","2","1") = "9"
    & skf18("3","2","10","4","3","3","1") = "9"
    & skf18("3","2","10","4","3","4","1") = "9"
    & skf18("3","2","10","4","3","5","1") = "9"
    & skf18("3","2","10","4","3","6","1") = "9"
    & skf18("3","2","10","4","3","7","1") = "9"
    & skf18("3","2","10","4","3","8","1") = "9"
    & skf18("3","2","10","4","3","9","1") = "9"
    & skf18("3","2","10","4","3","10","1") = "9"
    & skf18("3","2","10","4","4","1","1") = "9"
    & skf18("3","2","10","4","4","2","1") = "9"
    & skf18("3","2","10","4","4","3","1") = "9"
    & skf18("3","2","10","4","4","4","1") = "9"
    & skf18("3","2","10","4","4","5","1") = "9"
    & skf18("3","2","10","4","4","6","1") = "9"
    & skf18("3","2","10","4","4","7","1") = "9"
    & skf18("3","2","10","4","4","8","1") = "9"
    & skf18("3","2","10","4","4","9","1") = "9"
    & skf18("3","2","10","4","4","10","1") = "9"
    & skf18("3","2","10","4","5","1","1") = "9"
    & skf18("3","2","10","4","5","2","1") = "9"
    & skf18("3","2","10","4","5","3","1") = "9"
    & skf18("3","2","10","4","5","4","1") = "9"
    & skf18("3","2","10","4","5","5","1") = "9"
    & skf18("3","2","10","4","5","6","1") = "9"
    & skf18("3","2","10","4","5","7","1") = "9"
    & skf18("3","2","10","4","5","8","1") = "9"
    & skf18("3","2","10","4","5","9","1") = "9"
    & skf18("3","2","10","4","5","10","1") = "9"
    & skf18("3","2","10","4","6","1","1") = "9"
    & skf18("3","2","10","4","6","2","1") = "9"
    & skf18("3","2","10","4","6","3","1") = "9"
    & skf18("3","2","10","4","6","4","1") = "9"
    & skf18("3","2","10","4","6","5","1") = "9"
    & skf18("3","2","10","4","6","6","1") = "9"
    & skf18("3","2","10","4","6","7","1") = "9"
    & skf18("3","2","10","4","6","8","1") = "9"
    & skf18("3","2","10","4","6","9","1") = "9"
    & skf18("3","2","10","4","6","10","1") = "9"
    & skf18("3","2","10","4","7","1","1") = "9"
    & skf18("3","2","10","4","7","2","1") = "9"
    & skf18("3","2","10","4","7","3","1") = "9"
    & skf18("3","2","10","4","7","4","1") = "9"
    & skf18("3","2","10","4","7","5","1") = "9"
    & skf18("3","2","10","4","7","6","1") = "9"
    & skf18("3","2","10","4","7","7","1") = "9"
    & skf18("3","2","10","4","7","8","1") = "9"
    & skf18("3","2","10","4","7","9","1") = "9"
    & skf18("3","2","10","4","7","10","1") = "9"
    & skf18("3","2","10","4","8","1","1") = "9"
    & skf18("3","2","10","4","8","2","1") = "9"
    & skf18("3","2","10","4","8","3","1") = "9"
    & skf18("3","2","10","4","8","4","1") = "9"
    & skf18("3","2","10","4","8","5","1") = "9"
    & skf18("3","2","10","4","8","6","1") = "9"
    & skf18("3","2","10","4","8","7","1") = "9"
    & skf18("3","2","10","4","8","8","1") = "9"
    & skf18("3","2","10","4","8","9","1") = "9"
    & skf18("3","2","10","4","8","10","1") = "9"
    & skf18("3","2","10","4","9","1","1") = "9"
    & skf18("3","2","10","4","9","2","1") = "9"
    & skf18("3","2","10","4","9","3","1") = "9"
    & skf18("3","2","10","4","9","4","1") = "9"
    & skf18("3","2","10","4","9","5","1") = "9"
    & skf18("3","2","10","4","9","6","1") = "9"
    & skf18("3","2","10","4","9","7","1") = "9"
    & skf18("3","2","10","4","9","8","1") = "9"
    & skf18("3","2","10","4","9","9","1") = "9"
    & skf18("3","2","10","4","9","10","1") = "9"
    & skf18("3","2","10","4","10","1","1") = "9"
    & skf18("3","2","10","4","10","2","1") = "9"
    & skf18("3","2","10","4","10","3","1") = "9"
    & skf18("3","2","10","4","10","4","1") = "9"
    & skf18("3","2","10","4","10","5","1") = "9"
    & skf18("3","2","10","4","10","6","1") = "9"
    & skf18("3","2","10","4","10","7","1") = "9"
    & skf18("3","2","10","4","10","8","1") = "9"
    & skf18("3","2","10","4","10","9","1") = "9"
    & skf18("3","2","10","4","10","10","1") = "9"
    & skf18("3","2","10","5","1","1","1") = "9"
    & skf18("3","2","10","5","1","2","1") = "9"
    & skf18("3","2","10","5","1","3","1") = "9"
    & skf18("3","2","10","5","1","4","1") = "9"
    & skf18("3","2","10","5","1","5","1") = "9"
    & skf18("3","2","10","5","1","6","1") = "9"
    & skf18("3","2","10","5","1","7","1") = "9"
    & skf18("3","2","10","5","1","8","1") = "9"
    & skf18("3","2","10","5","1","9","1") = "9"
    & skf18("3","2","10","5","1","10","1") = "9"
    & skf18("3","2","10","5","2","1","1") = "9"
    & skf18("3","2","10","5","2","2","1") = "9"
    & skf18("3","2","10","5","2","3","1") = "9"
    & skf18("3","2","10","5","2","4","1") = "9"
    & skf18("3","2","10","5","2","5","1") = "9"
    & skf18("3","2","10","5","2","6","1") = "9"
    & skf18("3","2","10","5","2","7","1") = "9"
    & skf18("3","2","10","5","2","8","1") = "9"
    & skf18("3","2","10","5","2","9","1") = "9"
    & skf18("3","2","10","5","2","10","1") = "9"
    & skf18("3","2","10","5","3","1","1") = "9"
    & skf18("3","2","10","5","3","2","1") = "9"
    & skf18("3","2","10","5","3","3","1") = "9"
    & skf18("3","2","10","5","3","4","1") = "9"
    & skf18("3","2","10","5","3","5","1") = "9"
    & skf18("3","2","10","5","3","6","1") = "9"
    & skf18("3","2","10","5","3","7","1") = "9"
    & skf18("3","2","10","5","3","8","1") = "9"
    & skf18("3","2","10","5","3","9","1") = "9"
    & skf18("3","2","10","5","3","10","1") = "9"
    & skf18("3","2","10","5","4","1","1") = "9"
    & skf18("3","2","10","5","4","2","1") = "9"
    & skf18("3","2","10","5","4","3","1") = "9"
    & skf18("3","2","10","5","4","4","1") = "9"
    & skf18("3","2","10","5","4","5","1") = "9"
    & skf18("3","2","10","5","4","6","1") = "9"
    & skf18("3","2","10","5","4","7","1") = "9"
    & skf18("3","2","10","5","4","8","1") = "9"
    & skf18("3","2","10","5","4","9","1") = "9"
    & skf18("3","2","10","5","4","10","1") = "9"
    & skf18("3","2","10","5","5","1","1") = "9"
    & skf18("3","2","10","5","5","2","1") = "9"
    & skf18("3","2","10","5","5","3","1") = "9"
    & skf18("3","2","10","5","5","4","1") = "9"
    & skf18("3","2","10","5","5","5","1") = "9"
    & skf18("3","2","10","5","5","6","1") = "9"
    & skf18("3","2","10","5","5","7","1") = "9"
    & skf18("3","2","10","5","5","8","1") = "9"
    & skf18("3","2","10","5","5","9","1") = "9"
    & skf18("3","2","10","5","5","10","1") = "9"
    & skf18("3","2","10","5","6","1","1") = "9"
    & skf18("3","2","10","5","6","2","1") = "9"
    & skf18("3","2","10","5","6","3","1") = "9"
    & skf18("3","2","10","5","6","4","1") = "9"
    & skf18("3","2","10","5","6","5","1") = "9"
    & skf18("3","2","10","5","6","6","1") = "9"
    & skf18("3","2","10","5","6","7","1") = "9"
    & skf18("3","2","10","5","6","8","1") = "9"
    & skf18("3","2","10","5","6","9","1") = "9"
    & skf18("3","2","10","5","6","10","1") = "9"
    & skf18("3","2","10","5","7","1","1") = "9"
    & skf18("3","2","10","5","7","2","1") = "9"
    & skf18("3","2","10","5","7","3","1") = "9"
    & skf18("3","2","10","5","7","4","1") = "9"
    & skf18("3","2","10","5","7","5","1") = "9"
    & skf18("3","2","10","5","7","6","1") = "9"
    & skf18("3","2","10","5","7","7","1") = "9"
    & skf18("3","2","10","5","7","8","1") = "9"
    & skf18("3","2","10","5","7","9","1") = "9"
    & skf18("3","2","10","5","7","10","1") = "9"
    & skf18("3","2","10","5","8","1","1") = "9"
    & skf18("3","2","10","5","8","2","1") = "9"
    & skf18("3","2","10","5","8","3","1") = "9"
    & skf18("3","2","10","5","8","4","1") = "9"
    & skf18("3","2","10","5","8","5","1") = "9"
    & skf18("3","2","10","5","8","6","1") = "9"
    & skf18("3","2","10","5","8","7","1") = "9"
    & skf18("3","2","10","5","8","8","1") = "9"
    & skf18("3","2","10","5","8","9","1") = "9"
    & skf18("3","2","10","5","8","10","1") = "9"
    & skf18("3","2","10","5","9","1","1") = "9"
    & skf18("3","2","10","5","9","2","1") = "9"
    & skf18("3","2","10","5","9","3","1") = "9"
    & skf18("3","2","10","5","9","4","1") = "9"
    & skf18("3","2","10","5","9","5","1") = "9"
    & skf18("3","2","10","5","9","6","1") = "9"
    & skf18("3","2","10","5","9","7","1") = "9"
    & skf18("3","2","10","5","9","8","1") = "9"
    & skf18("3","2","10","5","9","9","1") = "9"
    & skf18("3","2","10","5","9","10","1") = "9"
    & skf18("3","2","10","5","10","1","1") = "9"
    & skf18("3","2","10","5","10","2","1") = "9"
    & skf18("3","2","10","5","10","3","1") = "9"
    & skf18("3","2","10","5","10","4","1") = "9"
    & skf18("3","2","10","5","10","5","1") = "9"
    & skf18("3","2","10","5","10","6","1") = "9"
    & skf18("3","2","10","5","10","7","1") = "9"
    & skf18("3","2","10","5","10","8","1") = "9"
    & skf18("3","2","10","5","10","9","1") = "9"
    & skf18("3","2","10","5","10","10","1") = "9"
    & skf18("3","2","10","6","1","1","1") = "9"
    & skf18("3","2","10","6","1","2","1") = "9"
    & skf18("3","2","10","6","1","3","1") = "9"
    & skf18("3","2","10","6","1","4","1") = "9"
    & skf18("3","2","10","6","1","5","1") = "9"
    & skf18("3","2","10","6","1","6","1") = "9"
    & skf18("3","2","10","6","1","7","1") = "9"
    & skf18("3","2","10","6","1","8","1") = "9"
    & skf18("3","2","10","6","1","9","1") = "9"
    & skf18("3","2","10","6","1","10","1") = "9"
    & skf18("3","2","10","6","2","1","1") = "9"
    & skf18("3","2","10","6","2","2","1") = "9"
    & skf18("3","2","10","6","2","3","1") = "9"
    & skf18("3","2","10","6","2","4","1") = "9"
    & skf18("3","2","10","6","2","5","1") = "9"
    & skf18("3","2","10","6","2","6","1") = "9"
    & skf18("3","2","10","6","2","7","1") = "9"
    & skf18("3","2","10","6","2","8","1") = "9"
    & skf18("3","2","10","6","2","9","1") = "9"
    & skf18("3","2","10","6","2","10","1") = "9"
    & skf18("3","2","10","6","3","1","1") = "9"
    & skf18("3","2","10","6","3","2","1") = "9"
    & skf18("3","2","10","6","3","3","1") = "9"
    & skf18("3","2","10","6","3","4","1") = "9"
    & skf18("3","2","10","6","3","5","1") = "9"
    & skf18("3","2","10","6","3","6","1") = "9"
    & skf18("3","2","10","6","3","7","1") = "9"
    & skf18("3","2","10","6","3","8","1") = "9"
    & skf18("3","2","10","6","3","9","1") = "9"
    & skf18("3","2","10","6","3","10","1") = "9"
    & skf18("3","2","10","6","4","1","1") = "9"
    & skf18("3","2","10","6","4","2","1") = "9"
    & skf18("3","2","10","6","4","3","1") = "9"
    & skf18("3","2","10","6","4","4","1") = "9"
    & skf18("3","2","10","6","4","5","1") = "9"
    & skf18("3","2","10","6","4","6","1") = "9"
    & skf18("3","2","10","6","4","7","1") = "9"
    & skf18("3","2","10","6","4","8","1") = "9"
    & skf18("3","2","10","6","4","9","1") = "9"
    & skf18("3","2","10","6","4","10","1") = "9"
    & skf18("3","2","10","6","5","1","1") = "9"
    & skf18("3","2","10","6","5","2","1") = "9"
    & skf18("3","2","10","6","5","3","1") = "9"
    & skf18("3","2","10","6","5","4","1") = "9"
    & skf18("3","2","10","6","5","5","1") = "9"
    & skf18("3","2","10","6","5","6","1") = "9"
    & skf18("3","2","10","6","5","7","1") = "9"
    & skf18("3","2","10","6","5","8","1") = "9"
    & skf18("3","2","10","6","5","9","1") = "9"
    & skf18("3","2","10","6","5","10","1") = "9"
    & skf18("3","2","10","6","6","1","1") = "9"
    & skf18("3","2","10","6","6","2","1") = "9"
    & skf18("3","2","10","6","6","3","1") = "9"
    & skf18("3","2","10","6","6","4","1") = "9"
    & skf18("3","2","10","6","6","5","1") = "9"
    & skf18("3","2","10","6","6","6","1") = "9"
    & skf18("3","2","10","6","6","7","1") = "9"
    & skf18("3","2","10","6","6","8","1") = "9"
    & skf18("3","2","10","6","6","9","1") = "9"
    & skf18("3","2","10","6","6","10","1") = "9"
    & skf18("3","2","10","6","7","1","1") = "9"
    & skf18("3","2","10","6","7","2","1") = "9"
    & skf18("3","2","10","6","7","3","1") = "9"
    & skf18("3","2","10","6","7","4","1") = "9"
    & skf18("3","2","10","6","7","5","1") = "9"
    & skf18("3","2","10","6","7","6","1") = "9"
    & skf18("3","2","10","6","7","7","1") = "9"
    & skf18("3","2","10","6","7","8","1") = "9"
    & skf18("3","2","10","6","7","9","1") = "9"
    & skf18("3","2","10","6","7","10","1") = "9"
    & skf18("3","2","10","6","8","1","1") = "9"
    & skf18("3","2","10","6","8","2","1") = "9"
    & skf18("3","2","10","6","8","3","1") = "9"
    & skf18("3","2","10","6","8","4","1") = "9"
    & skf18("3","2","10","6","8","5","1") = "9"
    & skf18("3","2","10","6","8","6","1") = "9"
    & skf18("3","2","10","6","8","7","1") = "9"
    & skf18("3","2","10","6","8","8","1") = "9"
    & skf18("3","2","10","6","8","9","1") = "9"
    & skf18("3","2","10","6","8","10","1") = "9"
    & skf18("3","2","10","6","9","1","1") = "9"
    & skf18("3","2","10","6","9","2","1") = "9"
    & skf18("3","2","10","6","9","3","1") = "9"
    & skf18("3","2","10","6","9","4","1") = "9"
    & skf18("3","2","10","6","9","5","1") = "9"
    & skf18("3","2","10","6","9","6","1") = "9"
    & skf18("3","2","10","6","9","7","1") = "9"
    & skf18("3","2","10","6","9","8","1") = "9"
    & skf18("3","2","10","6","9","9","1") = "9"
    & skf18("3","2","10","6","9","10","1") = "9"
    & skf18("3","2","10","6","10","1","1") = "9"
    & skf18("3","2","10","6","10","2","1") = "9"
    & skf18("3","2","10","6","10","3","1") = "9"
    & skf18("3","2","10","6","10","4","1") = "9"
    & skf18("3","2","10","6","10","5","1") = "9"
    & skf18("3","2","10","6","10","6","1") = "9"
    & skf18("3","2","10","6","10","7","1") = "9"
    & skf18("3","2","10","6","10","8","1") = "9"
    & skf18("3","2","10","6","10","9","1") = "9"
    & skf18("3","2","10","6","10","10","1") = "9"
    & skf18("3","2","10","7","1","1","1") = "9"
    & skf18("3","2","10","7","1","2","1") = "9"
    & skf18("3","2","10","7","1","3","1") = "9"
    & skf18("3","2","10","7","1","4","1") = "9"
    & skf18("3","2","10","7","1","5","1") = "9"
    & skf18("3","2","10","7","1","6","1") = "9"
    & skf18("3","2","10","7","1","7","1") = "9"
    & skf18("3","2","10","7","1","8","1") = "9"
    & skf18("3","2","10","7","1","9","1") = "9"
    & skf18("3","2","10","7","1","10","1") = "9"
    & skf18("3","2","10","7","2","1","1") = "9"
    & skf18("3","2","10","7","2","2","1") = "9"
    & skf18("3","2","10","7","2","3","1") = "9"
    & skf18("3","2","10","7","2","4","1") = "9"
    & skf18("3","2","10","7","2","5","1") = "9"
    & skf18("3","2","10","7","2","6","1") = "9"
    & skf18("3","2","10","7","2","7","1") = "9"
    & skf18("3","2","10","7","2","8","1") = "9"
    & skf18("3","2","10","7","2","9","1") = "9"
    & skf18("3","2","10","7","2","10","1") = "9"
    & skf18("3","2","10","7","3","1","1") = "9"
    & skf18("3","2","10","7","3","2","1") = "9"
    & skf18("3","2","10","7","3","3","1") = "9"
    & skf18("3","2","10","7","3","4","1") = "9"
    & skf18("3","2","10","7","3","5","1") = "9"
    & skf18("3","2","10","7","3","6","1") = "9"
    & skf18("3","2","10","7","3","7","1") = "9"
    & skf18("3","2","10","7","3","8","1") = "9"
    & skf18("3","2","10","7","3","9","1") = "9"
    & skf18("3","2","10","7","3","10","1") = "9"
    & skf18("3","2","10","7","4","1","1") = "9"
    & skf18("3","2","10","7","4","2","1") = "9"
    & skf18("3","2","10","7","4","3","1") = "9"
    & skf18("3","2","10","7","4","4","1") = "9"
    & skf18("3","2","10","7","4","5","1") = "9"
    & skf18("3","2","10","7","4","6","1") = "9"
    & skf18("3","2","10","7","4","7","1") = "9"
    & skf18("3","2","10","7","4","8","1") = "9"
    & skf18("3","2","10","7","4","9","1") = "9"
    & skf18("3","2","10","7","4","10","1") = "9"
    & skf18("3","2","10","7","5","1","1") = "9"
    & skf18("3","2","10","7","5","2","1") = "9"
    & skf18("3","2","10","7","5","3","1") = "9"
    & skf18("3","2","10","7","5","4","1") = "9"
    & skf18("3","2","10","7","5","5","1") = "9"
    & skf18("3","2","10","7","5","6","1") = "9"
    & skf18("3","2","10","7","5","7","1") = "9"
    & skf18("3","2","10","7","5","8","1") = "9"
    & skf18("3","2","10","7","5","9","1") = "9"
    & skf18("3","2","10","7","5","10","1") = "9"
    & skf18("3","2","10","7","6","1","1") = "9"
    & skf18("3","2","10","7","6","2","1") = "9"
    & skf18("3","2","10","7","6","3","1") = "9"
    & skf18("3","2","10","7","6","4","1") = "9"
    & skf18("3","2","10","7","6","5","1") = "9"
    & skf18("3","2","10","7","6","6","1") = "9"
    & skf18("3","2","10","7","6","7","1") = "9"
    & skf18("3","2","10","7","6","8","1") = "9"
    & skf18("3","2","10","7","6","9","1") = "9"
    & skf18("3","2","10","7","6","10","1") = "9"
    & skf18("3","2","10","7","7","1","1") = "9"
    & skf18("3","2","10","7","7","2","1") = "9"
    & skf18("3","2","10","7","7","3","1") = "9"
    & skf18("3","2","10","7","7","4","1") = "9"
    & skf18("3","2","10","7","7","5","1") = "9"
    & skf18("3","2","10","7","7","6","1") = "9"
    & skf18("3","2","10","7","7","7","1") = "9"
    & skf18("3","2","10","7","7","8","1") = "9"
    & skf18("3","2","10","7","7","9","1") = "9"
    & skf18("3","2","10","7","7","10","1") = "9"
    & skf18("3","2","10","7","8","1","1") = "9"
    & skf18("3","2","10","7","8","2","1") = "9"
    & skf18("3","2","10","7","8","3","1") = "9"
    & skf18("3","2","10","7","8","4","1") = "9"
    & skf18("3","2","10","7","8","5","1") = "9"
    & skf18("3","2","10","7","8","6","1") = "9"
    & skf18("3","2","10","7","8","7","1") = "9"
    & skf18("3","2","10","7","8","8","1") = "9"
    & skf18("3","2","10","7","8","9","1") = "9"
    & skf18("3","2","10","7","8","10","1") = "9"
    & skf18("3","2","10","7","9","1","1") = "9"
    & skf18("3","2","10","7","9","2","1") = "9"
    & skf18("3","2","10","7","9","3","1") = "9"
    & skf18("3","2","10","7","9","4","1") = "9"
    & skf18("3","2","10","7","9","5","1") = "9"
    & skf18("3","2","10","7","9","6","1") = "9"
    & skf18("3","2","10","7","9","7","1") = "9"
    & skf18("3","2","10","7","9","8","1") = "9"
    & skf18("3","2","10","7","9","9","1") = "9"
    & skf18("3","2","10","7","9","10","1") = "9"
    & skf18("3","2","10","7","10","1","1") = "9"
    & skf18("3","2","10","7","10","2","1") = "9"
    & skf18("3","2","10","7","10","3","1") = "9"
    & skf18("3","2","10","7","10","4","1") = "9"
    & skf18("3","2","10","7","10","5","1") = "9"
    & skf18("3","2","10","7","10","6","1") = "9"
    & skf18("3","2","10","7","10","7","1") = "9"
    & skf18("3","2","10","7","10","8","1") = "9"
    & skf18("3","2","10","7","10","9","1") = "9"
    & skf18("3","2","10","7","10","10","1") = "9"
    & skf18("3","2","10","8","1","1","1") = "9"
    & skf18("3","2","10","8","1","2","1") = "9"
    & skf18("3","2","10","8","1","3","1") = "9"
    & skf18("3","2","10","8","1","4","1") = "9"
    & skf18("3","2","10","8","1","5","1") = "9"
    & skf18("3","2","10","8","1","6","1") = "9"
    & skf18("3","2","10","8","1","7","1") = "9"
    & skf18("3","2","10","8","1","8","1") = "9"
    & skf18("3","2","10","8","1","9","1") = "9"
    & skf18("3","2","10","8","1","10","1") = "9"
    & skf18("3","2","10","8","2","1","1") = "9"
    & skf18("3","2","10","8","2","2","1") = "9"
    & skf18("3","2","10","8","2","3","1") = "9"
    & skf18("3","2","10","8","2","4","1") = "9"
    & skf18("3","2","10","8","2","5","1") = "9"
    & skf18("3","2","10","8","2","6","1") = "9"
    & skf18("3","2","10","8","2","7","1") = "9"
    & skf18("3","2","10","8","2","8","1") = "9"
    & skf18("3","2","10","8","2","9","1") = "9"
    & skf18("3","2","10","8","2","10","1") = "9"
    & skf18("3","2","10","8","3","1","1") = "9"
    & skf18("3","2","10","8","3","2","1") = "9"
    & skf18("3","2","10","8","3","3","1") = "9"
    & skf18("3","2","10","8","3","4","1") = "9"
    & skf18("3","2","10","8","3","5","1") = "9"
    & skf18("3","2","10","8","3","6","1") = "9"
    & skf18("3","2","10","8","3","7","1") = "9"
    & skf18("3","2","10","8","3","8","1") = "9"
    & skf18("3","2","10","8","3","9","1") = "9"
    & skf18("3","2","10","8","3","10","1") = "9"
    & skf18("3","2","10","8","4","1","1") = "9"
    & skf18("3","2","10","8","4","2","1") = "9"
    & skf18("3","2","10","8","4","3","1") = "9"
    & skf18("3","2","10","8","4","4","1") = "9"
    & skf18("3","2","10","8","4","5","1") = "9"
    & skf18("3","2","10","8","4","6","1") = "9"
    & skf18("3","2","10","8","4","7","1") = "9"
    & skf18("3","2","10","8","4","8","1") = "9"
    & skf18("3","2","10","8","4","9","1") = "9"
    & skf18("3","2","10","8","4","10","1") = "9"
    & skf18("3","2","10","8","5","1","1") = "9"
    & skf18("3","2","10","8","5","2","1") = "9"
    & skf18("3","2","10","8","5","3","1") = "9"
    & skf18("3","2","10","8","5","4","1") = "9"
    & skf18("3","2","10","8","5","5","1") = "9"
    & skf18("3","2","10","8","5","6","1") = "9"
    & skf18("3","2","10","8","5","7","1") = "9"
    & skf18("3","2","10","8","5","8","1") = "9"
    & skf18("3","2","10","8","5","9","1") = "9"
    & skf18("3","2","10","8","5","10","1") = "9"
    & skf18("3","2","10","8","6","1","1") = "9"
    & skf18("3","2","10","8","6","2","1") = "9"
    & skf18("3","2","10","8","6","3","1") = "9"
    & skf18("3","2","10","8","6","4","1") = "9"
    & skf18("3","2","10","8","6","5","1") = "9"
    & skf18("3","2","10","8","6","6","1") = "9"
    & skf18("3","2","10","8","6","7","1") = "9"
    & skf18("3","2","10","8","6","8","1") = "9"
    & skf18("3","2","10","8","6","9","1") = "9"
    & skf18("3","2","10","8","6","10","1") = "9"
    & skf18("3","2","10","8","7","1","1") = "9"
    & skf18("3","2","10","8","7","2","1") = "9"
    & skf18("3","2","10","8","7","3","1") = "9"
    & skf18("3","2","10","8","7","4","1") = "9"
    & skf18("3","2","10","8","7","5","1") = "9"
    & skf18("3","2","10","8","7","6","1") = "9"
    & skf18("3","2","10","8","7","7","1") = "9"
    & skf18("3","2","10","8","7","8","1") = "9"
    & skf18("3","2","10","8","7","9","1") = "9"
    & skf18("3","2","10","8","7","10","1") = "9"
    & skf18("3","2","10","8","8","1","1") = "9"
    & skf18("3","2","10","8","8","2","1") = "9"
    & skf18("3","2","10","8","8","3","1") = "9"
    & skf18("3","2","10","8","8","4","1") = "9"
    & skf18("3","2","10","8","8","5","1") = "9"
    & skf18("3","2","10","8","8","6","1") = "9"
    & skf18("3","2","10","8","8","7","1") = "9"
    & skf18("3","2","10","8","8","8","1") = "9"
    & skf18("3","2","10","8","8","9","1") = "9"
    & skf18("3","2","10","8","8","10","1") = "9"
    & skf18("3","2","10","8","9","1","1") = "9"
    & skf18("3","2","10","8","9","2","1") = "9"
    & skf18("3","2","10","8","9","3","1") = "9"
    & skf18("3","2","10","8","9","4","1") = "9"
    & skf18("3","2","10","8","9","5","1") = "9"
    & skf18("3","2","10","8","9","6","1") = "9"
    & skf18("3","2","10","8","9","7","1") = "9"
    & skf18("3","2","10","8","9","8","1") = "9"
    & skf18("3","2","10","8","9","9","1") = "9"
    & skf18("3","2","10","8","9","10","1") = "9"
    & skf18("3","2","10","8","10","1","1") = "9"
    & skf18("3","2","10","8","10","2","1") = "9"
    & skf18("3","2","10","8","10","3","1") = "9"
    & skf18("3","2","10","8","10","4","1") = "9"
    & skf18("3","2","10","8","10","5","1") = "9"
    & skf18("3","2","10","8","10","6","1") = "9"
    & skf18("3","2","10","8","10","7","1") = "9"
    & skf18("3","2","10","8","10","8","1") = "9"
    & skf18("3","2","10","8","10","9","1") = "9"
    & skf18("3","2","10","8","10","10","1") = "9"
    & skf18("3","2","10","9","1","1","1") = "9"
    & skf18("3","2","10","9","1","2","1") = "9"
    & skf18("3","2","10","9","1","3","1") = "9"
    & skf18("3","2","10","9","1","4","1") = "9"
    & skf18("3","2","10","9","1","5","1") = "9"
    & skf18("3","2","10","9","1","6","1") = "9"
    & skf18("3","2","10","9","1","7","1") = "9"
    & skf18("3","2","10","9","1","8","1") = "9"
    & skf18("3","2","10","9","1","9","1") = "9"
    & skf18("3","2","10","9","1","10","1") = "9"
    & skf18("3","2","10","9","2","1","1") = "9"
    & skf18("3","2","10","9","2","2","1") = "9"
    & skf18("3","2","10","9","2","3","1") = "9"
    & skf18("3","2","10","9","2","4","1") = "9"
    & skf18("3","2","10","9","2","5","1") = "9"
    & skf18("3","2","10","9","2","6","1") = "9"
    & skf18("3","2","10","9","2","7","1") = "9"
    & skf18("3","2","10","9","2","8","1") = "9"
    & skf18("3","2","10","9","2","9","1") = "9"
    & skf18("3","2","10","9","2","10","1") = "9"
    & skf18("3","2","10","9","3","1","1") = "9"
    & skf18("3","2","10","9","3","2","1") = "9"
    & skf18("3","2","10","9","3","3","1") = "9"
    & skf18("3","2","10","9","3","4","1") = "9"
    & skf18("3","2","10","9","3","5","1") = "9"
    & skf18("3","2","10","9","3","6","1") = "9"
    & skf18("3","2","10","9","3","7","1") = "9"
    & skf18("3","2","10","9","3","8","1") = "9"
    & skf18("3","2","10","9","3","9","1") = "9"
    & skf18("3","2","10","9","3","10","1") = "9"
    & skf18("3","2","10","9","4","1","1") = "9"
    & skf18("3","2","10","9","4","2","1") = "9"
    & skf18("3","2","10","9","4","3","1") = "9"
    & skf18("3","2","10","9","4","4","1") = "9"
    & skf18("3","2","10","9","4","5","1") = "9"
    & skf18("3","2","10","9","4","6","1") = "9"
    & skf18("3","2","10","9","4","7","1") = "9"
    & skf18("3","2","10","9","4","8","1") = "9"
    & skf18("3","2","10","9","4","9","1") = "9"
    & skf18("3","2","10","9","4","10","1") = "9"
    & skf18("3","2","10","9","5","1","1") = "9"
    & skf18("3","2","10","9","5","2","1") = "9"
    & skf18("3","2","10","9","5","3","1") = "9"
    & skf18("3","2","10","9","5","4","1") = "9"
    & skf18("3","2","10","9","5","5","1") = "9"
    & skf18("3","2","10","9","5","6","1") = "9"
    & skf18("3","2","10","9","5","7","1") = "9"
    & skf18("3","2","10","9","5","8","1") = "9"
    & skf18("3","2","10","9","5","9","1") = "9"
    & skf18("3","2","10","9","5","10","1") = "9"
    & skf18("3","2","10","9","6","1","1") = "9"
    & skf18("3","2","10","9","6","2","1") = "9"
    & skf18("3","2","10","9","6","3","1") = "9"
    & skf18("3","2","10","9","6","4","1") = "9"
    & skf18("3","2","10","9","6","5","1") = "9"
    & skf18("3","2","10","9","6","6","1") = "9"
    & skf18("3","2","10","9","6","7","1") = "9"
    & skf18("3","2","10","9","6","8","1") = "9"
    & skf18("3","2","10","9","6","9","1") = "9"
    & skf18("3","2","10","9","6","10","1") = "9"
    & skf18("3","2","10","9","7","1","1") = "9"
    & skf18("3","2","10","9","7","2","1") = "9"
    & skf18("3","2","10","9","7","3","1") = "9"
    & skf18("3","2","10","9","7","4","1") = "9"
    & skf18("3","2","10","9","7","5","1") = "9"
    & skf18("3","2","10","9","7","6","1") = "9"
    & skf18("3","2","10","9","7","7","1") = "9"
    & skf18("3","2","10","9","7","8","1") = "9"
    & skf18("3","2","10","9","7","9","1") = "9"
    & skf18("3","2","10","9","7","10","1") = "9"
    & skf18("3","2","10","9","8","1","1") = "9"
    & skf18("3","2","10","9","8","2","1") = "9"
    & skf18("3","2","10","9","8","3","1") = "9"
    & skf18("3","2","10","9","8","4","1") = "9"
    & skf18("3","2","10","9","8","5","1") = "9"
    & skf18("3","2","10","9","8","6","1") = "9"
    & skf18("3","2","10","9","8","7","1") = "9"
    & skf18("3","2","10","9","8","8","1") = "9"
    & skf18("3","2","10","9","8","9","1") = "9"
    & skf18("3","2","10","9","8","10","1") = "9"
    & skf18("3","2","10","9","9","1","1") = "9"
    & skf18("3","2","10","9","9","2","1") = "9"
    & skf18("3","2","10","9","9","3","1") = "9"
    & skf18("3","2","10","9","9","4","1") = "9"
    & skf18("3","2","10","9","9","5","1") = "9"
    & skf18("3","2","10","9","9","6","1") = "9"
    & skf18("3","2","10","9","9","7","1") = "9"
    & skf18("3","2","10","9","9","8","1") = "9"
    & skf18("3","2","10","9","9","9","1") = "9"
    & skf18("3","2","10","9","9","10","1") = "9"
    & skf18("3","2","10","9","10","1","1") = "9"
    & skf18("3","2","10","9","10","2","1") = "9"
    & skf18("3","2","10","9","10","3","1") = "9"
    & skf18("3","2","10","9","10","4","1") = "9"
    & skf18("3","2","10","9","10","5","1") = "9"
    & skf18("3","2","10","9","10","6","1") = "9"
    & skf18("3","2","10","9","10","7","1") = "9"
    & skf18("3","2","10","9","10","8","1") = "9"
    & skf18("3","2","10","9","10","9","1") = "9"
    & skf18("3","2","10","9","10","10","1") = "9"
    & skf18("3","2","10","10","1","1","1") = "9"
    & skf18("3","2","10","10","1","2","1") = "9"
    & skf18("3","2","10","10","1","3","1") = "9"
    & skf18("3","2","10","10","1","4","1") = "9"
    & skf18("3","2","10","10","1","5","1") = "9"
    & skf18("3","2","10","10","1","6","1") = "9"
    & skf18("3","2","10","10","1","7","1") = "9"
    & skf18("3","2","10","10","1","8","1") = "9"
    & skf18("3","2","10","10","1","9","1") = "9"
    & skf18("3","2","10","10","1","10","1") = "9"
    & skf18("3","2","10","10","2","1","1") = "9"
    & skf18("3","2","10","10","2","2","1") = "9"
    & skf18("3","2","10","10","2","3","1") = "9"
    & skf18("3","2","10","10","2","4","1") = "9"
    & skf18("3","2","10","10","2","5","1") = "9"
    & skf18("3","2","10","10","2","6","1") = "9"
    & skf18("3","2","10","10","2","7","1") = "9"
    & skf18("3","2","10","10","2","8","1") = "9"
    & skf18("3","2","10","10","2","9","1") = "9"
    & skf18("3","2","10","10","2","10","1") = "9"
    & skf18("3","2","10","10","3","1","1") = "9"
    & skf18("3","2","10","10","3","2","1") = "9"
    & skf18("3","2","10","10","3","3","1") = "9"
    & skf18("3","2","10","10","3","4","1") = "9"
    & skf18("3","2","10","10","3","5","1") = "9"
    & skf18("3","2","10","10","3","6","1") = "9"
    & skf18("3","2","10","10","3","7","1") = "9"
    & skf18("3","2","10","10","3","8","1") = "9"
    & skf18("3","2","10","10","3","9","1") = "9"
    & skf18("3","2","10","10","3","10","1") = "9"
    & skf18("3","2","10","10","4","1","1") = "9"
    & skf18("3","2","10","10","4","2","1") = "9"
    & skf18("3","2","10","10","4","3","1") = "9"
    & skf18("3","2","10","10","4","4","1") = "9"
    & skf18("3","2","10","10","4","5","1") = "9"
    & skf18("3","2","10","10","4","6","1") = "9"
    & skf18("3","2","10","10","4","7","1") = "9"
    & skf18("3","2","10","10","4","8","1") = "9"
    & skf18("3","2","10","10","4","9","1") = "9"
    & skf18("3","2","10","10","4","10","1") = "9"
    & skf18("3","2","10","10","5","1","1") = "9"
    & skf18("3","2","10","10","5","2","1") = "9"
    & skf18("3","2","10","10","5","3","1") = "9"
    & skf18("3","2","10","10","5","4","1") = "9"
    & skf18("3","2","10","10","5","5","1") = "9"
    & skf18("3","2","10","10","5","6","1") = "9"
    & skf18("3","2","10","10","5","7","1") = "9"
    & skf18("3","2","10","10","5","8","1") = "9"
    & skf18("3","2","10","10","5","9","1") = "9"
    & skf18("3","2","10","10","5","10","1") = "9"
    & skf18("3","2","10","10","6","1","1") = "9"
    & skf18("3","2","10","10","6","2","1") = "9"
    & skf18("3","2","10","10","6","3","1") = "9"
    & skf18("3","2","10","10","6","4","1") = "9"
    & skf18("3","2","10","10","6","5","1") = "9"
    & skf18("3","2","10","10","6","6","1") = "9"
    & skf18("3","2","10","10","6","7","1") = "9"
    & skf18("3","2","10","10","6","8","1") = "9"
    & skf18("3","2","10","10","6","9","1") = "9"
    & skf18("3","2","10","10","6","10","1") = "9"
    & skf18("3","2","10","10","7","1","1") = "9"
    & skf18("3","2","10","10","7","2","1") = "9"
    & skf18("3","2","10","10","7","3","1") = "9"
    & skf18("3","2","10","10","7","4","1") = "9"
    & skf18("3","2","10","10","7","5","1") = "9"
    & skf18("3","2","10","10","7","6","1") = "9"
    & skf18("3","2","10","10","7","7","1") = "9"
    & skf18("3","2","10","10","7","8","1") = "9"
    & skf18("3","2","10","10","7","9","1") = "9"
    & skf18("3","2","10","10","7","10","1") = "9"
    & skf18("3","2","10","10","8","1","1") = "9"
    & skf18("3","2","10","10","8","2","1") = "9"
    & skf18("3","2","10","10","8","3","1") = "9"
    & skf18("3","2","10","10","8","4","1") = "9"
    & skf18("3","2","10","10","8","5","1") = "9"
    & skf18("3","2","10","10","8","6","1") = "9"
    & skf18("3","2","10","10","8","7","1") = "9"
    & skf18("3","2","10","10","8","8","1") = "9"
    & skf18("3","2","10","10","8","9","1") = "9"
    & skf18("3","2","10","10","8","10","1") = "9"
    & skf18("3","2","10","10","9","1","1") = "9"
    & skf18("3","2","10","10","9","2","1") = "9"
    & skf18("3","2","10","10","9","3","1") = "9"
    & skf18("3","2","10","10","9","4","1") = "9"
    & skf18("3","2","10","10","9","5","1") = "9"
    & skf18("3","2","10","10","9","6","1") = "9"
    & skf18("3","2","10","10","9","7","1") = "9"
    & skf18("3","2","10","10","9","8","1") = "9"
    & skf18("3","2","10","10","9","9","1") = "9"
    & skf18("3","2","10","10","9","10","1") = "9"
    & skf18("3","2","10","10","10","1","1") = "9"
    & skf18("3","2","10","10","10","2","1") = "9"
    & skf18("3","2","10","10","10","3","1") = "9"
    & skf18("3","2","10","10","10","4","1") = "9"
    & skf18("3","2","10","10","10","5","1") = "9"
    & skf18("3","2","10","10","10","6","1") = "9"
    & skf18("3","2","10","10","10","7","1") = "9"
    & skf18("3","2","10","10","10","8","1") = "9"
    & skf18("3","2","10","10","10","9","1") = "9"
    & skf18("3","2","10","10","10","10","1") = "9"
    & skf18("3","3","1","1","1","1","1") = "2"
    & skf18("3","3","1","1","1","2","1") = "2"
    & skf18("3","3","1","1","1","3","1") = "2"
    & skf18("3","3","1","1","1","4","1") = "3"
    & skf18("3","3","1","1","1","5","1") = "4"
    & skf18("3","3","1","1","1","6","1") = "5"
    & skf18("3","3","1","1","1","7","1") = "6"
    & skf18("3","3","1","1","1","8","1") = "7"
    & skf18("3","3","1","1","1","9","1") = "8"
    & skf18("3","3","1","1","1","10","1") = "9"
    & skf18("3","3","1","1","2","1","1") = "2"
    & skf18("3","3","1","1","2","2","1") = "2"
    & skf18("3","3","1","1","2","3","1") = "2"
    & skf18("3","3","1","1","2","4","1") = "3"
    & skf18("3","3","1","1","2","5","1") = "4"
    & skf18("3","3","1","1","2","6","1") = "5"
    & skf18("3","3","1","1","2","7","1") = "6"
    & skf18("3","3","1","1","2","8","1") = "7"
    & skf18("3","3","1","1","2","9","1") = "8"
    & skf18("3","3","1","1","2","10","1") = "9"
    & skf18("3","3","1","1","3","1","1") = "2"
    & skf18("3","3","1","1","3","2","1") = "2"
    & skf18("3","3","1","1","3","3","1") = "2"
    & skf18("3","3","1","1","3","4","1") = "3"
    & skf18("3","3","1","1","3","5","1") = "4"
    & skf18("3","3","1","1","3","6","1") = "5"
    & skf18("3","3","1","1","3","7","1") = "6"
    & skf18("3","3","1","1","3","8","1") = "7"
    & skf18("3","3","1","1","3","9","1") = "8"
    & skf18("3","3","1","1","3","10","1") = "9"
    & skf18("3","3","1","1","4","1","1") = "3"
    & skf18("3","3","1","1","4","2","1") = "3"
    & skf18("3","3","1","1","4","3","1") = "3"
    & skf18("3","3","1","1","4","4","1") = "3"
    & skf18("3","3","1","1","4","5","1") = "4"
    & skf18("3","3","1","1","4","6","1") = "5"
    & skf18("3","3","1","1","4","7","1") = "6"
    & skf18("3","3","1","1","4","8","1") = "7"
    & skf18("3","3","1","1","4","9","1") = "8"
    & skf18("3","3","1","1","4","10","1") = "9"
    & skf18("3","3","1","1","5","1","1") = "4"
    & skf18("3","3","1","1","5","2","1") = "4"
    & skf18("3","3","1","1","5","3","1") = "4"
    & skf18("3","3","1","1","5","4","1") = "4"
    & skf18("3","3","1","1","5","5","1") = "4"
    & skf18("3","3","1","1","5","6","1") = "5"
    & skf18("3","3","1","1","5","7","1") = "6"
    & skf18("3","3","1","1","5","8","1") = "7"
    & skf18("3","3","1","1","5","9","1") = "8"
    & skf18("3","3","1","1","5","10","1") = "9"
    & skf18("3","3","1","1","6","1","1") = "5"
    & skf18("3","3","1","1","6","2","1") = "5"
    & skf18("3","3","1","1","6","3","1") = "5"
    & skf18("3","3","1","1","6","4","1") = "5"
    & skf18("3","3","1","1","6","5","1") = "5"
    & skf18("3","3","1","1","6","6","1") = "5"
    & skf18("3","3","1","1","6","7","1") = "6"
    & skf18("3","3","1","1","6","8","1") = "7"
    & skf18("3","3","1","1","6","9","1") = "8"
    & skf18("3","3","1","1","6","10","1") = "9"
    & skf18("3","3","1","1","7","1","1") = "6"
    & skf18("3","3","1","1","7","2","1") = "6"
    & skf18("3","3","1","1","7","3","1") = "6"
    & skf18("3","3","1","1","7","4","1") = "6"
    & skf18("3","3","1","1","7","5","1") = "6"
    & skf18("3","3","1","1","7","6","1") = "6"
    & skf18("3","3","1","1","7","7","1") = "6"
    & skf18("3","3","1","1","7","8","1") = "7"
    & skf18("3","3","1","1","7","9","1") = "8"
    & skf18("3","3","1","1","7","10","1") = "9"
    & skf18("3","3","1","1","8","1","1") = "7"
    & skf18("3","3","1","1","8","2","1") = "7"
    & skf18("3","3","1","1","8","3","1") = "7"
    & skf18("3","3","1","1","8","4","1") = "7"
    & skf18("3","3","1","1","8","5","1") = "7"
    & skf18("3","3","1","1","8","6","1") = "7"
    & skf18("3","3","1","1","8","7","1") = "7"
    & skf18("3","3","1","1","8","8","1") = "7"
    & skf18("3","3","1","1","8","9","1") = "8"
    & skf18("3","3","1","1","8","10","1") = "9"
    & skf18("3","3","1","1","9","1","1") = "8"
    & skf18("3","3","1","1","9","2","1") = "8"
    & skf18("3","3","1","1","9","3","1") = "8"
    & skf18("3","3","1","1","9","4","1") = "8"
    & skf18("3","3","1","1","9","5","1") = "8"
    & skf18("3","3","1","1","9","6","1") = "8"
    & skf18("3","3","1","1","9","7","1") = "8"
    & skf18("3","3","1","1","9","8","1") = "8"
    & skf18("3","3","1","1","9","9","1") = "8"
    & skf18("3","3","1","1","9","10","1") = "9"
    & skf18("3","3","1","1","10","1","1") = "9"
    & skf18("3","3","1","1","10","2","1") = "9"
    & skf18("3","3","1","1","10","3","1") = "9"
    & skf18("3","3","1","1","10","4","1") = "9"
    & skf18("3","3","1","1","10","5","1") = "9"
    & skf18("3","3","1","1","10","6","1") = "9"
    & skf18("3","3","1","1","10","7","1") = "9"
    & skf18("3","3","1","1","10","8","1") = "9"
    & skf18("3","3","1","1","10","9","1") = "9"
    & skf18("3","3","1","1","10","10","1") = "9"
    & skf18("3","3","1","2","1","1","1") = "2"
    & skf18("3","3","1","2","1","2","1") = "2"
    & skf18("3","3","1","2","1","3","1") = "2"
    & skf18("3","3","1","2","1","4","1") = "3"
    & skf18("3","3","1","2","1","5","1") = "4"
    & skf18("3","3","1","2","1","6","1") = "5"
    & skf18("3","3","1","2","1","7","1") = "6"
    & skf18("3","3","1","2","1","8","1") = "7"
    & skf18("3","3","1","2","1","9","1") = "8"
    & skf18("3","3","1","2","1","10","1") = "9"
    & skf18("3","3","1","2","2","1","1") = "2"
    & skf18("3","3","1","2","2","2","1") = "2"
    & skf18("3","3","1","2","2","3","1") = "2"
    & skf18("3","3","1","2","2","4","1") = "3"
    & skf18("3","3","1","2","2","5","1") = "4"
    & skf18("3","3","1","2","2","6","1") = "5"
    & skf18("3","3","1","2","2","7","1") = "6"
    & skf18("3","3","1","2","2","8","1") = "7"
    & skf18("3","3","1","2","2","9","1") = "8"
    & skf18("3","3","1","2","2","10","1") = "9"
    & skf18("3","3","1","2","3","1","1") = "2"
    & skf18("3","3","1","2","3","2","1") = "2"
    & skf18("3","3","1","2","3","3","1") = "2"
    & skf18("3","3","1","2","3","4","1") = "3"
    & skf18("3","3","1","2","3","5","1") = "4"
    & skf18("3","3","1","2","3","6","1") = "5"
    & skf18("3","3","1","2","3","7","1") = "6"
    & skf18("3","3","1","2","3","8","1") = "7"
    & skf18("3","3","1","2","3","9","1") = "8"
    & skf18("3","3","1","2","3","10","1") = "9"
    & skf18("3","3","1","2","4","1","1") = "3"
    & skf18("3","3","1","2","4","2","1") = "3"
    & skf18("3","3","1","2","4","3","1") = "3"
    & skf18("3","3","1","2","4","4","1") = "3"
    & skf18("3","3","1","2","4","5","1") = "4"
    & skf18("3","3","1","2","4","6","1") = "5"
    & skf18("3","3","1","2","4","7","1") = "6"
    & skf18("3","3","1","2","4","8","1") = "7"
    & skf18("3","3","1","2","4","9","1") = "8"
    & skf18("3","3","1","2","4","10","1") = "9"
    & skf18("3","3","1","2","5","1","1") = "4"
    & skf18("3","3","1","2","5","2","1") = "4"
    & skf18("3","3","1","2","5","3","1") = "4"
    & skf18("3","3","1","2","5","4","1") = "4"
    & skf18("3","3","1","2","5","5","1") = "4"
    & skf18("3","3","1","2","5","6","1") = "5"
    & skf18("3","3","1","2","5","7","1") = "6"
    & skf18("3","3","1","2","5","8","1") = "7"
    & skf18("3","3","1","2","5","9","1") = "8"
    & skf18("3","3","1","2","5","10","1") = "9"
    & skf18("3","3","1","2","6","1","1") = "5"
    & skf18("3","3","1","2","6","2","1") = "5"
    & skf18("3","3","1","2","6","3","1") = "5"
    & skf18("3","3","1","2","6","4","1") = "5"
    & skf18("3","3","1","2","6","5","1") = "5"
    & skf18("3","3","1","2","6","6","1") = "5"
    & skf18("3","3","1","2","6","7","1") = "6"
    & skf18("3","3","1","2","6","8","1") = "7"
    & skf18("3","3","1","2","6","9","1") = "8"
    & skf18("3","3","1","2","6","10","1") = "9"
    & skf18("3","3","1","2","7","1","1") = "6"
    & skf18("3","3","1","2","7","2","1") = "6"
    & skf18("3","3","1","2","7","3","1") = "6"
    & skf18("3","3","1","2","7","4","1") = "6"
    & skf18("3","3","1","2","7","5","1") = "6"
    & skf18("3","3","1","2","7","6","1") = "6"
    & skf18("3","3","1","2","7","7","1") = "6"
    & skf18("3","3","1","2","7","8","1") = "7"
    & skf18("3","3","1","2","7","9","1") = "8"
    & skf18("3","3","1","2","7","10","1") = "9"
    & skf18("3","3","1","2","8","1","1") = "7"
    & skf18("3","3","1","2","8","2","1") = "7"
    & skf18("3","3","1","2","8","3","1") = "7"
    & skf18("3","3","1","2","8","4","1") = "7"
    & skf18("3","3","1","2","8","5","1") = "7"
    & skf18("3","3","1","2","8","6","1") = "7"
    & skf18("3","3","1","2","8","7","1") = "7"
    & skf18("3","3","1","2","8","8","1") = "7"
    & skf18("3","3","1","2","8","9","1") = "8"
    & skf18("3","3","1","2","8","10","1") = "9"
    & skf18("3","3","1","2","9","1","1") = "8"
    & skf18("3","3","1","2","9","2","1") = "8"
    & skf18("3","3","1","2","9","3","1") = "8"
    & skf18("3","3","1","2","9","4","1") = "8"
    & skf18("3","3","1","2","9","5","1") = "8"
    & skf18("3","3","1","2","9","6","1") = "8"
    & skf18("3","3","1","2","9","7","1") = "8"
    & skf18("3","3","1","2","9","8","1") = "8"
    & skf18("3","3","1","2","9","9","1") = "8"
    & skf18("3","3","1","2","9","10","1") = "9"
    & skf18("3","3","1","2","10","1","1") = "9"
    & skf18("3","3","1","2","10","2","1") = "9"
    & skf18("3","3","1","2","10","3","1") = "9"
    & skf18("3","3","1","2","10","4","1") = "9"
    & skf18("3","3","1","2","10","5","1") = "9"
    & skf18("3","3","1","2","10","6","1") = "9"
    & skf18("3","3","1","2","10","7","1") = "9"
    & skf18("3","3","1","2","10","8","1") = "9"
    & skf18("3","3","1","2","10","9","1") = "9"
    & skf18("3","3","1","2","10","10","1") = "9"
    & skf18("3","3","1","3","1","1","1") = "2"
    & skf18("3","3","1","3","1","2","1") = "2"
    & skf18("3","3","1","3","1","3","1") = "2"
    & skf18("3","3","1","3","1","4","1") = "3"
    & skf18("3","3","1","3","1","5","1") = "4"
    & skf18("3","3","1","3","1","6","1") = "5"
    & skf18("3","3","1","3","1","7","1") = "6"
    & skf18("3","3","1","3","1","8","1") = "7"
    & skf18("3","3","1","3","1","9","1") = "8"
    & skf18("3","3","1","3","1","10","1") = "9"
    & skf18("3","3","1","3","2","1","1") = "2"
    & skf18("3","3","1","3","2","2","1") = "2"
    & skf18("3","3","1","3","2","3","1") = "2"
    & skf18("3","3","1","3","2","4","1") = "3"
    & skf18("3","3","1","3","2","5","1") = "4"
    & skf18("3","3","1","3","2","6","1") = "5"
    & skf18("3","3","1","3","2","7","1") = "6"
    & skf18("3","3","1","3","2","8","1") = "7"
    & skf18("3","3","1","3","2","9","1") = "8"
    & skf18("3","3","1","3","2","10","1") = "9"
    & skf18("3","3","1","3","3","1","1") = "2"
    & skf18("3","3","1","3","3","2","1") = "2"
    & skf18("3","3","1","3","3","3","1") = "2"
    & skf18("3","3","1","3","3","4","1") = "3"
    & skf18("3","3","1","3","3","5","1") = "4"
    & skf18("3","3","1","3","3","6","1") = "5"
    & skf18("3","3","1","3","3","7","1") = "6"
    & skf18("3","3","1","3","3","8","1") = "7"
    & skf18("3","3","1","3","3","9","1") = "8"
    & skf18("3","3","1","3","3","10","1") = "9"
    & skf18("3","3","1","3","4","1","1") = "3"
    & skf18("3","3","1","3","4","2","1") = "3"
    & skf18("3","3","1","3","4","3","1") = "3"
    & skf18("3","3","1","3","4","4","1") = "3"
    & skf18("3","3","1","3","4","5","1") = "4"
    & skf18("3","3","1","3","4","6","1") = "5"
    & skf18("3","3","1","3","4","7","1") = "6"
    & skf18("3","3","1","3","4","8","1") = "7"
    & skf18("3","3","1","3","4","9","1") = "8"
    & skf18("3","3","1","3","4","10","1") = "9"
    & skf18("3","3","1","3","5","1","1") = "4"
    & skf18("3","3","1","3","5","2","1") = "4"
    & skf18("3","3","1","3","5","3","1") = "4"
    & skf18("3","3","1","3","5","4","1") = "4"
    & skf18("3","3","1","3","5","5","1") = "4"
    & skf18("3","3","1","3","5","6","1") = "5"
    & skf18("3","3","1","3","5","7","1") = "6"
    & skf18("3","3","1","3","5","8","1") = "7"
    & skf18("3","3","1","3","5","9","1") = "8"
    & skf18("3","3","1","3","5","10","1") = "9"
    & skf18("3","3","1","3","6","1","1") = "5"
    & skf18("3","3","1","3","6","2","1") = "5"
    & skf18("3","3","1","3","6","3","1") = "5"
    & skf18("3","3","1","3","6","4","1") = "5"
    & skf18("3","3","1","3","6","5","1") = "5"
    & skf18("3","3","1","3","6","6","1") = "5"
    & skf18("3","3","1","3","6","7","1") = "6"
    & skf18("3","3","1","3","6","8","1") = "7"
    & skf18("3","3","1","3","6","9","1") = "8"
    & skf18("3","3","1","3","6","10","1") = "9"
    & skf18("3","3","1","3","7","1","1") = "6"
    & skf18("3","3","1","3","7","2","1") = "6"
    & skf18("3","3","1","3","7","3","1") = "6"
    & skf18("3","3","1","3","7","4","1") = "6"
    & skf18("3","3","1","3","7","5","1") = "6"
    & skf18("3","3","1","3","7","6","1") = "6"
    & skf18("3","3","1","3","7","7","1") = "6"
    & skf18("3","3","1","3","7","8","1") = "7"
    & skf18("3","3","1","3","7","9","1") = "8"
    & skf18("3","3","1","3","7","10","1") = "9"
    & skf18("3","3","1","3","8","1","1") = "7"
    & skf18("3","3","1","3","8","2","1") = "7"
    & skf18("3","3","1","3","8","3","1") = "7"
    & skf18("3","3","1","3","8","4","1") = "7"
    & skf18("3","3","1","3","8","5","1") = "7"
    & skf18("3","3","1","3","8","6","1") = "7"
    & skf18("3","3","1","3","8","7","1") = "7"
    & skf18("3","3","1","3","8","8","1") = "7"
    & skf18("3","3","1","3","8","9","1") = "8"
    & skf18("3","3","1","3","8","10","1") = "9"
    & skf18("3","3","1","3","9","1","1") = "8"
    & skf18("3","3","1","3","9","2","1") = "8"
    & skf18("3","3","1","3","9","3","1") = "8"
    & skf18("3","3","1","3","9","4","1") = "8"
    & skf18("3","3","1","3","9","5","1") = "8"
    & skf18("3","3","1","3","9","6","1") = "8"
    & skf18("3","3","1","3","9","7","1") = "8"
    & skf18("3","3","1","3","9","8","1") = "8"
    & skf18("3","3","1","3","9","9","1") = "8"
    & skf18("3","3","1","3","9","10","1") = "9"
    & skf18("3","3","1","3","10","1","1") = "9"
    & skf18("3","3","1","3","10","2","1") = "9"
    & skf18("3","3","1","3","10","3","1") = "9"
    & skf18("3","3","1","3","10","4","1") = "9"
    & skf18("3","3","1","3","10","5","1") = "9"
    & skf18("3","3","1","3","10","6","1") = "9"
    & skf18("3","3","1","3","10","7","1") = "9"
    & skf18("3","3","1","3","10","8","1") = "9"
    & skf18("3","3","1","3","10","9","1") = "9"
    & skf18("3","3","1","3","10","10","1") = "9"
    & skf18("3","3","1","4","1","1","1") = "3"
    & skf18("3","3","1","4","1","2","1") = "3"
    & skf18("3","3","1","4","1","3","1") = "3"
    & skf18("3","3","1","4","1","4","1") = "3"
    & skf18("3","3","1","4","1","5","1") = "4"
    & skf18("3","3","1","4","1","6","1") = "5"
    & skf18("3","3","1","4","1","7","1") = "6"
    & skf18("3","3","1","4","1","8","1") = "7"
    & skf18("3","3","1","4","1","9","1") = "8"
    & skf18("3","3","1","4","1","10","1") = "9"
    & skf18("3","3","1","4","2","1","1") = "3"
    & skf18("3","3","1","4","2","2","1") = "3"
    & skf18("3","3","1","4","2","3","1") = "3"
    & skf18("3","3","1","4","2","4","1") = "3"
    & skf18("3","3","1","4","2","5","1") = "4"
    & skf18("3","3","1","4","2","6","1") = "5"
    & skf18("3","3","1","4","2","7","1") = "6"
    & skf18("3","3","1","4","2","8","1") = "7"
    & skf18("3","3","1","4","2","9","1") = "8"
    & skf18("3","3","1","4","2","10","1") = "9"
    & skf18("3","3","1","4","3","1","1") = "3"
    & skf18("3","3","1","4","3","2","1") = "3"
    & skf18("3","3","1","4","3","3","1") = "3"
    & skf18("3","3","1","4","3","4","1") = "3"
    & skf18("3","3","1","4","3","5","1") = "4"
    & skf18("3","3","1","4","3","6","1") = "5"
    & skf18("3","3","1","4","3","7","1") = "6"
    & skf18("3","3","1","4","3","8","1") = "7"
    & skf18("3","3","1","4","3","9","1") = "8"
    & skf18("3","3","1","4","3","10","1") = "9"
    & skf18("3","3","1","4","4","1","1") = "3"
    & skf18("3","3","1","4","4","2","1") = "3"
    & skf18("3","3","1","4","4","3","1") = "3"
    & skf18("3","3","1","4","4","4","1") = "3"
    & skf18("3","3","1","4","4","5","1") = "4"
    & skf18("3","3","1","4","4","6","1") = "5"
    & skf18("3","3","1","4","4","7","1") = "6"
    & skf18("3","3","1","4","4","8","1") = "7"
    & skf18("3","3","1","4","4","9","1") = "8"
    & skf18("3","3","1","4","4","10","1") = "9"
    & skf18("3","3","1","4","5","1","1") = "4"
    & skf18("3","3","1","4","5","2","1") = "4"
    & skf18("3","3","1","4","5","3","1") = "4"
    & skf18("3","3","1","4","5","4","1") = "4"
    & skf18("3","3","1","4","5","5","1") = "4"
    & skf18("3","3","1","4","5","6","1") = "5"
    & skf18("3","3","1","4","5","7","1") = "6"
    & skf18("3","3","1","4","5","8","1") = "7"
    & skf18("3","3","1","4","5","9","1") = "8"
    & skf18("3","3","1","4","5","10","1") = "9"
    & skf18("3","3","1","4","6","1","1") = "5"
    & skf18("3","3","1","4","6","2","1") = "5"
    & skf18("3","3","1","4","6","3","1") = "5"
    & skf18("3","3","1","4","6","4","1") = "5"
    & skf18("3","3","1","4","6","5","1") = "5"
    & skf18("3","3","1","4","6","6","1") = "5"
    & skf18("3","3","1","4","6","7","1") = "6"
    & skf18("3","3","1","4","6","8","1") = "7"
    & skf18("3","3","1","4","6","9","1") = "8"
    & skf18("3","3","1","4","6","10","1") = "9"
    & skf18("3","3","1","4","7","1","1") = "6"
    & skf18("3","3","1","4","7","2","1") = "6"
    & skf18("3","3","1","4","7","3","1") = "6"
    & skf18("3","3","1","4","7","4","1") = "6"
    & skf18("3","3","1","4","7","5","1") = "6"
    & skf18("3","3","1","4","7","6","1") = "6"
    & skf18("3","3","1","4","7","7","1") = "6"
    & skf18("3","3","1","4","7","8","1") = "7"
    & skf18("3","3","1","4","7","9","1") = "8"
    & skf18("3","3","1","4","7","10","1") = "9"
    & skf18("3","3","1","4","8","1","1") = "7"
    & skf18("3","3","1","4","8","2","1") = "7"
    & skf18("3","3","1","4","8","3","1") = "7"
    & skf18("3","3","1","4","8","4","1") = "7"
    & skf18("3","3","1","4","8","5","1") = "7"
    & skf18("3","3","1","4","8","6","1") = "7"
    & skf18("3","3","1","4","8","7","1") = "7"
    & skf18("3","3","1","4","8","8","1") = "7"
    & skf18("3","3","1","4","8","9","1") = "8"
    & skf18("3","3","1","4","8","10","1") = "9"
    & skf18("3","3","1","4","9","1","1") = "8"
    & skf18("3","3","1","4","9","2","1") = "8"
    & skf18("3","3","1","4","9","3","1") = "8"
    & skf18("3","3","1","4","9","4","1") = "8"
    & skf18("3","3","1","4","9","5","1") = "8"
    & skf18("3","3","1","4","9","6","1") = "8"
    & skf18("3","3","1","4","9","7","1") = "8"
    & skf18("3","3","1","4","9","8","1") = "8"
    & skf18("3","3","1","4","9","9","1") = "8"
    & skf18("3","3","1","4","9","10","1") = "9"
    & skf18("3","3","1","4","10","1","1") = "9"
    & skf18("3","3","1","4","10","2","1") = "9"
    & skf18("3","3","1","4","10","3","1") = "9"
    & skf18("3","3","1","4","10","4","1") = "9"
    & skf18("3","3","1","4","10","5","1") = "9"
    & skf18("3","3","1","4","10","6","1") = "9"
    & skf18("3","3","1","4","10","7","1") = "9"
    & skf18("3","3","1","4","10","8","1") = "9"
    & skf18("3","3","1","4","10","9","1") = "9"
    & skf18("3","3","1","4","10","10","1") = "9"
    & skf18("3","3","1","5","1","1","1") = "4"
    & skf18("3","3","1","5","1","2","1") = "4"
    & skf18("3","3","1","5","1","3","1") = "4"
    & skf18("3","3","1","5","1","4","1") = "4"
    & skf18("3","3","1","5","1","5","1") = "4"
    & skf18("3","3","1","5","1","6","1") = "5"
    & skf18("3","3","1","5","1","7","1") = "6"
    & skf18("3","3","1","5","1","8","1") = "7"
    & skf18("3","3","1","5","1","9","1") = "8"
    & skf18("3","3","1","5","1","10","1") = "9"
    & skf18("3","3","1","5","2","1","1") = "4"
    & skf18("3","3","1","5","2","2","1") = "4"
    & skf18("3","3","1","5","2","3","1") = "4"
    & skf18("3","3","1","5","2","4","1") = "4"
    & skf18("3","3","1","5","2","5","1") = "4"
    & skf18("3","3","1","5","2","6","1") = "5"
    & skf18("3","3","1","5","2","7","1") = "6"
    & skf18("3","3","1","5","2","8","1") = "7"
    & skf18("3","3","1","5","2","9","1") = "8"
    & skf18("3","3","1","5","2","10","1") = "9"
    & skf18("3","3","1","5","3","1","1") = "4"
    & skf18("3","3","1","5","3","2","1") = "4"
    & skf18("3","3","1","5","3","3","1") = "4"
    & skf18("3","3","1","5","3","4","1") = "4"
    & skf18("3","3","1","5","3","5","1") = "4"
    & skf18("3","3","1","5","3","6","1") = "5"
    & skf18("3","3","1","5","3","7","1") = "6"
    & skf18("3","3","1","5","3","8","1") = "7"
    & skf18("3","3","1","5","3","9","1") = "8"
    & skf18("3","3","1","5","3","10","1") = "9"
    & skf18("3","3","1","5","4","1","1") = "4"
    & skf18("3","3","1","5","4","2","1") = "4"
    & skf18("3","3","1","5","4","3","1") = "4"
    & skf18("3","3","1","5","4","4","1") = "4"
    & skf18("3","3","1","5","4","5","1") = "4"
    & skf18("3","3","1","5","4","6","1") = "5"
    & skf18("3","3","1","5","4","7","1") = "6"
    & skf18("3","3","1","5","4","8","1") = "7"
    & skf18("3","3","1","5","4","9","1") = "8"
    & skf18("3","3","1","5","4","10","1") = "9"
    & skf18("3","3","1","5","5","1","1") = "4"
    & skf18("3","3","1","5","5","2","1") = "4"
    & skf18("3","3","1","5","5","3","1") = "4"
    & skf18("3","3","1","5","5","4","1") = "4"
    & skf18("3","3","1","5","5","5","1") = "4"
    & skf18("3","3","1","5","5","6","1") = "5"
    & skf18("3","3","1","5","5","7","1") = "6"
    & skf18("3","3","1","5","5","8","1") = "7"
    & skf18("3","3","1","5","5","9","1") = "8"
    & skf18("3","3","1","5","5","10","1") = "9"
    & skf18("3","3","1","5","6","1","1") = "5"
    & skf18("3","3","1","5","6","2","1") = "5"
    & skf18("3","3","1","5","6","3","1") = "5"
    & skf18("3","3","1","5","6","4","1") = "5"
    & skf18("3","3","1","5","6","5","1") = "5"
    & skf18("3","3","1","5","6","6","1") = "5"
    & skf18("3","3","1","5","6","7","1") = "6"
    & skf18("3","3","1","5","6","8","1") = "7"
    & skf18("3","3","1","5","6","9","1") = "8"
    & skf18("3","3","1","5","6","10","1") = "9"
    & skf18("3","3","1","5","7","1","1") = "6"
    & skf18("3","3","1","5","7","2","1") = "6"
    & skf18("3","3","1","5","7","3","1") = "6"
    & skf18("3","3","1","5","7","4","1") = "6"
    & skf18("3","3","1","5","7","5","1") = "6"
    & skf18("3","3","1","5","7","6","1") = "6"
    & skf18("3","3","1","5","7","7","1") = "6"
    & skf18("3","3","1","5","7","8","1") = "7"
    & skf18("3","3","1","5","7","9","1") = "8"
    & skf18("3","3","1","5","7","10","1") = "9"
    & skf18("3","3","1","5","8","1","1") = "7"
    & skf18("3","3","1","5","8","2","1") = "7"
    & skf18("3","3","1","5","8","3","1") = "7"
    & skf18("3","3","1","5","8","4","1") = "7"
    & skf18("3","3","1","5","8","5","1") = "7"
    & skf18("3","3","1","5","8","6","1") = "7"
    & skf18("3","3","1","5","8","7","1") = "7"
    & skf18("3","3","1","5","8","8","1") = "7"
    & skf18("3","3","1","5","8","9","1") = "8"
    & skf18("3","3","1","5","8","10","1") = "9"
    & skf18("3","3","1","5","9","1","1") = "8"
    & skf18("3","3","1","5","9","2","1") = "8"
    & skf18("3","3","1","5","9","3","1") = "8"
    & skf18("3","3","1","5","9","4","1") = "8"
    & skf18("3","3","1","5","9","5","1") = "8"
    & skf18("3","3","1","5","9","6","1") = "8"
    & skf18("3","3","1","5","9","7","1") = "8"
    & skf18("3","3","1","5","9","8","1") = "8"
    & skf18("3","3","1","5","9","9","1") = "8"
    & skf18("3","3","1","5","9","10","1") = "9"
    & skf18("3","3","1","5","10","1","1") = "9"
    & skf18("3","3","1","5","10","2","1") = "9"
    & skf18("3","3","1","5","10","3","1") = "9"
    & skf18("3","3","1","5","10","4","1") = "9"
    & skf18("3","3","1","5","10","5","1") = "9"
    & skf18("3","3","1","5","10","6","1") = "9"
    & skf18("3","3","1","5","10","7","1") = "9"
    & skf18("3","3","1","5","10","8","1") = "9"
    & skf18("3","3","1","5","10","9","1") = "9"
    & skf18("3","3","1","5","10","10","1") = "9"
    & skf18("3","3","1","6","1","1","1") = "5"
    & skf18("3","3","1","6","1","2","1") = "5"
    & skf18("3","3","1","6","1","3","1") = "5"
    & skf18("3","3","1","6","1","4","1") = "5"
    & skf18("3","3","1","6","1","5","1") = "5"
    & skf18("3","3","1","6","1","6","1") = "5"
    & skf18("3","3","1","6","1","7","1") = "6"
    & skf18("3","3","1","6","1","8","1") = "7"
    & skf18("3","3","1","6","1","9","1") = "8"
    & skf18("3","3","1","6","1","10","1") = "9"
    & skf18("3","3","1","6","2","1","1") = "5"
    & skf18("3","3","1","6","2","2","1") = "5"
    & skf18("3","3","1","6","2","3","1") = "5"
    & skf18("3","3","1","6","2","4","1") = "5"
    & skf18("3","3","1","6","2","5","1") = "5"
    & skf18("3","3","1","6","2","6","1") = "5"
    & skf18("3","3","1","6","2","7","1") = "6"
    & skf18("3","3","1","6","2","8","1") = "7"
    & skf18("3","3","1","6","2","9","1") = "8"
    & skf18("3","3","1","6","2","10","1") = "9"
    & skf18("3","3","1","6","3","1","1") = "5"
    & skf18("3","3","1","6","3","2","1") = "5"
    & skf18("3","3","1","6","3","3","1") = "5"
    & skf18("3","3","1","6","3","4","1") = "5"
    & skf18("3","3","1","6","3","5","1") = "5"
    & skf18("3","3","1","6","3","6","1") = "5"
    & skf18("3","3","1","6","3","7","1") = "6"
    & skf18("3","3","1","6","3","8","1") = "7"
    & skf18("3","3","1","6","3","9","1") = "8"
    & skf18("3","3","1","6","3","10","1") = "9"
    & skf18("3","3","1","6","4","1","1") = "5"
    & skf18("3","3","1","6","4","2","1") = "5"
    & skf18("3","3","1","6","4","3","1") = "5"
    & skf18("3","3","1","6","4","4","1") = "5"
    & skf18("3","3","1","6","4","5","1") = "5"
    & skf18("3","3","1","6","4","6","1") = "5"
    & skf18("3","3","1","6","4","7","1") = "6"
    & skf18("3","3","1","6","4","8","1") = "7"
    & skf18("3","3","1","6","4","9","1") = "8"
    & skf18("3","3","1","6","4","10","1") = "9"
    & skf18("3","3","1","6","5","1","1") = "5"
    & skf18("3","3","1","6","5","2","1") = "5"
    & skf18("3","3","1","6","5","3","1") = "5"
    & skf18("3","3","1","6","5","4","1") = "5"
    & skf18("3","3","1","6","5","5","1") = "5"
    & skf18("3","3","1","6","5","6","1") = "5"
    & skf18("3","3","1","6","5","7","1") = "6"
    & skf18("3","3","1","6","5","8","1") = "7"
    & skf18("3","3","1","6","5","9","1") = "8"
    & skf18("3","3","1","6","5","10","1") = "9"
    & skf18("3","3","1","6","6","1","1") = "5"
    & skf18("3","3","1","6","6","2","1") = "5"
    & skf18("3","3","1","6","6","3","1") = "5"
    & skf18("3","3","1","6","6","4","1") = "5"
    & skf18("3","3","1","6","6","5","1") = "5"
    & skf18("3","3","1","6","6","6","1") = "5"
    & skf18("3","3","1","6","6","7","1") = "6"
    & skf18("3","3","1","6","6","8","1") = "7"
    & skf18("3","3","1","6","6","9","1") = "8"
    & skf18("3","3","1","6","6","10","1") = "9"
    & skf18("3","3","1","6","7","1","1") = "6"
    & skf18("3","3","1","6","7","2","1") = "6"
    & skf18("3","3","1","6","7","3","1") = "6"
    & skf18("3","3","1","6","7","4","1") = "6"
    & skf18("3","3","1","6","7","5","1") = "6"
    & skf18("3","3","1","6","7","6","1") = "6"
    & skf18("3","3","1","6","7","7","1") = "6"
    & skf18("3","3","1","6","7","8","1") = "7"
    & skf18("3","3","1","6","7","9","1") = "8"
    & skf18("3","3","1","6","7","10","1") = "9"
    & skf18("3","3","1","6","8","1","1") = "7"
    & skf18("3","3","1","6","8","2","1") = "7"
    & skf18("3","3","1","6","8","3","1") = "7"
    & skf18("3","3","1","6","8","4","1") = "7"
    & skf18("3","3","1","6","8","5","1") = "7"
    & skf18("3","3","1","6","8","6","1") = "7"
    & skf18("3","3","1","6","8","7","1") = "7"
    & skf18("3","3","1","6","8","8","1") = "7"
    & skf18("3","3","1","6","8","9","1") = "8"
    & skf18("3","3","1","6","8","10","1") = "9"
    & skf18("3","3","1","6","9","1","1") = "8"
    & skf18("3","3","1","6","9","2","1") = "8"
    & skf18("3","3","1","6","9","3","1") = "8"
    & skf18("3","3","1","6","9","4","1") = "8"
    & skf18("3","3","1","6","9","5","1") = "8"
    & skf18("3","3","1","6","9","6","1") = "8"
    & skf18("3","3","1","6","9","7","1") = "8"
    & skf18("3","3","1","6","9","8","1") = "8"
    & skf18("3","3","1","6","9","9","1") = "8"
    & skf18("3","3","1","6","9","10","1") = "9"
    & skf18("3","3","1","6","10","1","1") = "9"
    & skf18("3","3","1","6","10","2","1") = "9"
    & skf18("3","3","1","6","10","3","1") = "9"
    & skf18("3","3","1","6","10","4","1") = "9"
    & skf18("3","3","1","6","10","5","1") = "9"
    & skf18("3","3","1","6","10","6","1") = "9"
    & skf18("3","3","1","6","10","7","1") = "9"
    & skf18("3","3","1","6","10","8","1") = "9"
    & skf18("3","3","1","6","10","9","1") = "9"
    & skf18("3","3","1","6","10","10","1") = "9"
    & skf18("3","3","1","7","1","1","1") = "6"
    & skf18("3","3","1","7","1","2","1") = "6"
    & skf18("3","3","1","7","1","3","1") = "6"
    & skf18("3","3","1","7","1","4","1") = "6"
    & skf18("3","3","1","7","1","5","1") = "6"
    & skf18("3","3","1","7","1","6","1") = "6"
    & skf18("3","3","1","7","1","7","1") = "6"
    & skf18("3","3","1","7","1","8","1") = "7"
    & skf18("3","3","1","7","1","9","1") = "8"
    & skf18("3","3","1","7","1","10","1") = "9"
    & skf18("3","3","1","7","2","1","1") = "6"
    & skf18("3","3","1","7","2","2","1") = "6"
    & skf18("3","3","1","7","2","3","1") = "6"
    & skf18("3","3","1","7","2","4","1") = "6"
    & skf18("3","3","1","7","2","5","1") = "6"
    & skf18("3","3","1","7","2","6","1") = "6"
    & skf18("3","3","1","7","2","7","1") = "6"
    & skf18("3","3","1","7","2","8","1") = "7"
    & skf18("3","3","1","7","2","9","1") = "8"
    & skf18("3","3","1","7","2","10","1") = "9"
    & skf18("3","3","1","7","3","1","1") = "6"
    & skf18("3","3","1","7","3","2","1") = "6"
    & skf18("3","3","1","7","3","3","1") = "6"
    & skf18("3","3","1","7","3","4","1") = "6"
    & skf18("3","3","1","7","3","5","1") = "6"
    & skf18("3","3","1","7","3","6","1") = "6"
    & skf18("3","3","1","7","3","7","1") = "6"
    & skf18("3","3","1","7","3","8","1") = "7"
    & skf18("3","3","1","7","3","9","1") = "8"
    & skf18("3","3","1","7","3","10","1") = "9"
    & skf18("3","3","1","7","4","1","1") = "6"
    & skf18("3","3","1","7","4","2","1") = "6"
    & skf18("3","3","1","7","4","3","1") = "6"
    & skf18("3","3","1","7","4","4","1") = "6"
    & skf18("3","3","1","7","4","5","1") = "6"
    & skf18("3","3","1","7","4","6","1") = "6"
    & skf18("3","3","1","7","4","7","1") = "6"
    & skf18("3","3","1","7","4","8","1") = "7"
    & skf18("3","3","1","7","4","9","1") = "8"
    & skf18("3","3","1","7","4","10","1") = "9"
    & skf18("3","3","1","7","5","1","1") = "6"
    & skf18("3","3","1","7","5","2","1") = "6"
    & skf18("3","3","1","7","5","3","1") = "6"
    & skf18("3","3","1","7","5","4","1") = "6"
    & skf18("3","3","1","7","5","5","1") = "6"
    & skf18("3","3","1","7","5","6","1") = "6"
    & skf18("3","3","1","7","5","7","1") = "6"
    & skf18("3","3","1","7","5","8","1") = "7"
    & skf18("3","3","1","7","5","9","1") = "8"
    & skf18("3","3","1","7","5","10","1") = "9"
    & skf18("3","3","1","7","6","1","1") = "6"
    & skf18("3","3","1","7","6","2","1") = "6"
    & skf18("3","3","1","7","6","3","1") = "6"
    & skf18("3","3","1","7","6","4","1") = "6"
    & skf18("3","3","1","7","6","5","1") = "6"
    & skf18("3","3","1","7","6","6","1") = "6"
    & skf18("3","3","1","7","6","7","1") = "6"
    & skf18("3","3","1","7","6","8","1") = "7"
    & skf18("3","3","1","7","6","9","1") = "8"
    & skf18("3","3","1","7","6","10","1") = "9"
    & skf18("3","3","1","7","7","1","1") = "6"
    & skf18("3","3","1","7","7","2","1") = "6"
    & skf18("3","3","1","7","7","3","1") = "6"
    & skf18("3","3","1","7","7","4","1") = "6"
    & skf18("3","3","1","7","7","5","1") = "6"
    & skf18("3","3","1","7","7","6","1") = "6"
    & skf18("3","3","1","7","7","7","1") = "6"
    & skf18("3","3","1","7","7","8","1") = "7"
    & skf18("3","3","1","7","7","9","1") = "8"
    & skf18("3","3","1","7","7","10","1") = "9"
    & skf18("3","3","1","7","8","1","1") = "7"
    & skf18("3","3","1","7","8","2","1") = "7"
    & skf18("3","3","1","7","8","3","1") = "7"
    & skf18("3","3","1","7","8","4","1") = "7"
    & skf18("3","3","1","7","8","5","1") = "7"
    & skf18("3","3","1","7","8","6","1") = "7"
    & skf18("3","3","1","7","8","7","1") = "7"
    & skf18("3","3","1","7","8","8","1") = "7"
    & skf18("3","3","1","7","8","9","1") = "8"
    & skf18("3","3","1","7","8","10","1") = "9"
    & skf18("3","3","1","7","9","1","1") = "8"
    & skf18("3","3","1","7","9","2","1") = "8"
    & skf18("3","3","1","7","9","3","1") = "8"
    & skf18("3","3","1","7","9","4","1") = "8"
    & skf18("3","3","1","7","9","5","1") = "8"
    & skf18("3","3","1","7","9","6","1") = "8"
    & skf18("3","3","1","7","9","7","1") = "8"
    & skf18("3","3","1","7","9","8","1") = "8"
    & skf18("3","3","1","7","9","9","1") = "8"
    & skf18("3","3","1","7","9","10","1") = "9"
    & skf18("3","3","1","7","10","1","1") = "9"
    & skf18("3","3","1","7","10","2","1") = "9"
    & skf18("3","3","1","7","10","3","1") = "9"
    & skf18("3","3","1","7","10","4","1") = "9"
    & skf18("3","3","1","7","10","5","1") = "9"
    & skf18("3","3","1","7","10","6","1") = "9"
    & skf18("3","3","1","7","10","7","1") = "9"
    & skf18("3","3","1","7","10","8","1") = "9"
    & skf18("3","3","1","7","10","9","1") = "9"
    & skf18("3","3","1","7","10","10","1") = "9"
    & skf18("3","3","1","8","1","1","1") = "7"
    & skf18("3","3","1","8","1","2","1") = "7"
    & skf18("3","3","1","8","1","3","1") = "7"
    & skf18("3","3","1","8","1","4","1") = "7"
    & skf18("3","3","1","8","1","5","1") = "7"
    & skf18("3","3","1","8","1","6","1") = "7"
    & skf18("3","3","1","8","1","7","1") = "7"
    & skf18("3","3","1","8","1","8","1") = "7"
    & skf18("3","3","1","8","1","9","1") = "8"
    & skf18("3","3","1","8","1","10","1") = "9"
    & skf18("3","3","1","8","2","1","1") = "7"
    & skf18("3","3","1","8","2","2","1") = "7"
    & skf18("3","3","1","8","2","3","1") = "7"
    & skf18("3","3","1","8","2","4","1") = "7"
    & skf18("3","3","1","8","2","5","1") = "7"
    & skf18("3","3","1","8","2","6","1") = "7"
    & skf18("3","3","1","8","2","7","1") = "7"
    & skf18("3","3","1","8","2","8","1") = "7"
    & skf18("3","3","1","8","2","9","1") = "8"
    & skf18("3","3","1","8","2","10","1") = "9"
    & skf18("3","3","1","8","3","1","1") = "7"
    & skf18("3","3","1","8","3","2","1") = "7"
    & skf18("3","3","1","8","3","3","1") = "7"
    & skf18("3","3","1","8","3","4","1") = "7"
    & skf18("3","3","1","8","3","5","1") = "7"
    & skf18("3","3","1","8","3","6","1") = "7"
    & skf18("3","3","1","8","3","7","1") = "7"
    & skf18("3","3","1","8","3","8","1") = "7"
    & skf18("3","3","1","8","3","9","1") = "8"
    & skf18("3","3","1","8","3","10","1") = "9"
    & skf18("3","3","1","8","4","1","1") = "7"
    & skf18("3","3","1","8","4","2","1") = "7"
    & skf18("3","3","1","8","4","3","1") = "7"
    & skf18("3","3","1","8","4","4","1") = "7"
    & skf18("3","3","1","8","4","5","1") = "7"
    & skf18("3","3","1","8","4","6","1") = "7"
    & skf18("3","3","1","8","4","7","1") = "7"
    & skf18("3","3","1","8","4","8","1") = "7"
    & skf18("3","3","1","8","4","9","1") = "8"
    & skf18("3","3","1","8","4","10","1") = "9"
    & skf18("3","3","1","8","5","1","1") = "7"
    & skf18("3","3","1","8","5","2","1") = "7"
    & skf18("3","3","1","8","5","3","1") = "7"
    & skf18("3","3","1","8","5","4","1") = "7"
    & skf18("3","3","1","8","5","5","1") = "7"
    & skf18("3","3","1","8","5","6","1") = "7"
    & skf18("3","3","1","8","5","7","1") = "7"
    & skf18("3","3","1","8","5","8","1") = "7"
    & skf18("3","3","1","8","5","9","1") = "8"
    & skf18("3","3","1","8","5","10","1") = "9"
    & skf18("3","3","1","8","6","1","1") = "7"
    & skf18("3","3","1","8","6","2","1") = "7"
    & skf18("3","3","1","8","6","3","1") = "7"
    & skf18("3","3","1","8","6","4","1") = "7"
    & skf18("3","3","1","8","6","5","1") = "7"
    & skf18("3","3","1","8","6","6","1") = "7"
    & skf18("3","3","1","8","6","7","1") = "7"
    & skf18("3","3","1","8","6","8","1") = "7"
    & skf18("3","3","1","8","6","9","1") = "8"
    & skf18("3","3","1","8","6","10","1") = "9"
    & skf18("3","3","1","8","7","1","1") = "7"
    & skf18("3","3","1","8","7","2","1") = "7"
    & skf18("3","3","1","8","7","3","1") = "7"
    & skf18("3","3","1","8","7","4","1") = "7"
    & skf18("3","3","1","8","7","5","1") = "7"
    & skf18("3","3","1","8","7","6","1") = "7"
    & skf18("3","3","1","8","7","7","1") = "7"
    & skf18("3","3","1","8","7","8","1") = "7"
    & skf18("3","3","1","8","7","9","1") = "8"
    & skf18("3","3","1","8","7","10","1") = "9"
    & skf18("3","3","1","8","8","1","1") = "7"
    & skf18("3","3","1","8","8","2","1") = "7"
    & skf18("3","3","1","8","8","3","1") = "7"
    & skf18("3","3","1","8","8","4","1") = "7"
    & skf18("3","3","1","8","8","5","1") = "7"
    & skf18("3","3","1","8","8","6","1") = "7"
    & skf18("3","3","1","8","8","7","1") = "7"
    & skf18("3","3","1","8","8","8","1") = "7"
    & skf18("3","3","1","8","8","9","1") = "8"
    & skf18("3","3","1","8","8","10","1") = "9"
    & skf18("3","3","1","8","9","1","1") = "8"
    & skf18("3","3","1","8","9","2","1") = "8"
    & skf18("3","3","1","8","9","3","1") = "8"
    & skf18("3","3","1","8","9","4","1") = "8"
    & skf18("3","3","1","8","9","5","1") = "8"
    & skf18("3","3","1","8","9","6","1") = "8"
    & skf18("3","3","1","8","9","7","1") = "8"
    & skf18("3","3","1","8","9","8","1") = "8"
    & skf18("3","3","1","8","9","9","1") = "8"
    & skf18("3","3","1","8","9","10","1") = "9"
    & skf18("3","3","1","8","10","1","1") = "9"
    & skf18("3","3","1","8","10","2","1") = "9"
    & skf18("3","3","1","8","10","3","1") = "9"
    & skf18("3","3","1","8","10","4","1") = "9"
    & skf18("3","3","1","8","10","5","1") = "9"
    & skf18("3","3","1","8","10","6","1") = "9"
    & skf18("3","3","1","8","10","7","1") = "9"
    & skf18("3","3","1","8","10","8","1") = "9"
    & skf18("3","3","1","8","10","9","1") = "9"
    & skf18("3","3","1","8","10","10","1") = "9"
    & skf18("3","3","1","9","1","1","1") = "8"
    & skf18("3","3","1","9","1","2","1") = "8"
    & skf18("3","3","1","9","1","3","1") = "8"
    & skf18("3","3","1","9","1","4","1") = "8"
    & skf18("3","3","1","9","1","5","1") = "8"
    & skf18("3","3","1","9","1","6","1") = "8"
    & skf18("3","3","1","9","1","7","1") = "8"
    & skf18("3","3","1","9","1","8","1") = "8"
    & skf18("3","3","1","9","1","9","1") = "8"
    & skf18("3","3","1","9","1","10","1") = "9"
    & skf18("3","3","1","9","2","1","1") = "8"
    & skf18("3","3","1","9","2","2","1") = "8"
    & skf18("3","3","1","9","2","3","1") = "8"
    & skf18("3","3","1","9","2","4","1") = "8"
    & skf18("3","3","1","9","2","5","1") = "8"
    & skf18("3","3","1","9","2","6","1") = "8"
    & skf18("3","3","1","9","2","7","1") = "8"
    & skf18("3","3","1","9","2","8","1") = "8"
    & skf18("3","3","1","9","2","9","1") = "8"
    & skf18("3","3","1","9","2","10","1") = "9"
    & skf18("3","3","1","9","3","1","1") = "8"
    & skf18("3","3","1","9","3","2","1") = "8"
    & skf18("3","3","1","9","3","3","1") = "8"
    & skf18("3","3","1","9","3","4","1") = "8"
    & skf18("3","3","1","9","3","5","1") = "8"
    & skf18("3","3","1","9","3","6","1") = "8"
    & skf18("3","3","1","9","3","7","1") = "8"
    & skf18("3","3","1","9","3","8","1") = "8"
    & skf18("3","3","1","9","3","9","1") = "8"
    & skf18("3","3","1","9","3","10","1") = "9"
    & skf18("3","3","1","9","4","1","1") = "8"
    & skf18("3","3","1","9","4","2","1") = "8"
    & skf18("3","3","1","9","4","3","1") = "8"
    & skf18("3","3","1","9","4","4","1") = "8"
    & skf18("3","3","1","9","4","5","1") = "8"
    & skf18("3","3","1","9","4","6","1") = "8"
    & skf18("3","3","1","9","4","7","1") = "8"
    & skf18("3","3","1","9","4","8","1") = "8"
    & skf18("3","3","1","9","4","9","1") = "8"
    & skf18("3","3","1","9","4","10","1") = "9"
    & skf18("3","3","1","9","5","1","1") = "8"
    & skf18("3","3","1","9","5","2","1") = "8"
    & skf18("3","3","1","9","5","3","1") = "8"
    & skf18("3","3","1","9","5","4","1") = "8"
    & skf18("3","3","1","9","5","5","1") = "8"
    & skf18("3","3","1","9","5","6","1") = "8"
    & skf18("3","3","1","9","5","7","1") = "8"
    & skf18("3","3","1","9","5","8","1") = "8"
    & skf18("3","3","1","9","5","9","1") = "8"
    & skf18("3","3","1","9","5","10","1") = "9"
    & skf18("3","3","1","9","6","1","1") = "8"
    & skf18("3","3","1","9","6","2","1") = "8"
    & skf18("3","3","1","9","6","3","1") = "8"
    & skf18("3","3","1","9","6","4","1") = "8"
    & skf18("3","3","1","9","6","5","1") = "8"
    & skf18("3","3","1","9","6","6","1") = "8"
    & skf18("3","3","1","9","6","7","1") = "8"
    & skf18("3","3","1","9","6","8","1") = "8"
    & skf18("3","3","1","9","6","9","1") = "8"
    & skf18("3","3","1","9","6","10","1") = "9"
    & skf18("3","3","1","9","7","1","1") = "8"
    & skf18("3","3","1","9","7","2","1") = "8"
    & skf18("3","3","1","9","7","3","1") = "8"
    & skf18("3","3","1","9","7","4","1") = "8"
    & skf18("3","3","1","9","7","5","1") = "8"
    & skf18("3","3","1","9","7","6","1") = "8"
    & skf18("3","3","1","9","7","7","1") = "8"
    & skf18("3","3","1","9","7","8","1") = "8"
    & skf18("3","3","1","9","7","9","1") = "8"
    & skf18("3","3","1","9","7","10","1") = "9"
    & skf18("3","3","1","9","8","1","1") = "8"
    & skf18("3","3","1","9","8","2","1") = "8"
    & skf18("3","3","1","9","8","3","1") = "8"
    & skf18("3","3","1","9","8","4","1") = "8"
    & skf18("3","3","1","9","8","5","1") = "8"
    & skf18("3","3","1","9","8","6","1") = "8"
    & skf18("3","3","1","9","8","7","1") = "8"
    & skf18("3","3","1","9","8","8","1") = "8"
    & skf18("3","3","1","9","8","9","1") = "8"
    & skf18("3","3","1","9","8","10","1") = "9"
    & skf18("3","3","1","9","9","1","1") = "8"
    & skf18("3","3","1","9","9","2","1") = "8"
    & skf18("3","3","1","9","9","3","1") = "8"
    & skf18("3","3","1","9","9","4","1") = "8"
    & skf18("3","3","1","9","9","5","1") = "8"
    & skf18("3","3","1","9","9","6","1") = "8"
    & skf18("3","3","1","9","9","7","1") = "8"
    & skf18("3","3","1","9","9","8","1") = "8"
    & skf18("3","3","1","9","9","9","1") = "8"
    & skf18("3","3","1","9","9","10","1") = "9"
    & skf18("3","3","1","9","10","1","1") = "9"
    & skf18("3","3","1","9","10","2","1") = "9"
    & skf18("3","3","1","9","10","3","1") = "9"
    & skf18("3","3","1","9","10","4","1") = "9"
    & skf18("3","3","1","9","10","5","1") = "9"
    & skf18("3","3","1","9","10","6","1") = "9"
    & skf18("3","3","1","9","10","7","1") = "9"
    & skf18("3","3","1","9","10","8","1") = "9"
    & skf18("3","3","1","9","10","9","1") = "9"
    & skf18("3","3","1","9","10","10","1") = "9"
    & skf18("3","3","1","10","1","1","1") = "9"
    & skf18("3","3","1","10","1","2","1") = "9"
    & skf18("3","3","1","10","1","3","1") = "9"
    & skf18("3","3","1","10","1","4","1") = "9"
    & skf18("3","3","1","10","1","5","1") = "9"
    & skf18("3","3","1","10","1","6","1") = "9"
    & skf18("3","3","1","10","1","7","1") = "9"
    & skf18("3","3","1","10","1","8","1") = "9"
    & skf18("3","3","1","10","1","9","1") = "9"
    & skf18("3","3","1","10","1","10","1") = "9"
    & skf18("3","3","1","10","2","1","1") = "9"
    & skf18("3","3","1","10","2","2","1") = "9"
    & skf18("3","3","1","10","2","3","1") = "9"
    & skf18("3","3","1","10","2","4","1") = "9"
    & skf18("3","3","1","10","2","5","1") = "9"
    & skf18("3","3","1","10","2","6","1") = "9"
    & skf18("3","3","1","10","2","7","1") = "9"
    & skf18("3","3","1","10","2","8","1") = "9"
    & skf18("3","3","1","10","2","9","1") = "9"
    & skf18("3","3","1","10","2","10","1") = "9"
    & skf18("3","3","1","10","3","1","1") = "9"
    & skf18("3","3","1","10","3","2","1") = "9"
    & skf18("3","3","1","10","3","3","1") = "9"
    & skf18("3","3","1","10","3","4","1") = "9"
    & skf18("3","3","1","10","3","5","1") = "9"
    & skf18("3","3","1","10","3","6","1") = "9"
    & skf18("3","3","1","10","3","7","1") = "9"
    & skf18("3","3","1","10","3","8","1") = "9"
    & skf18("3","3","1","10","3","9","1") = "9"
    & skf18("3","3","1","10","3","10","1") = "9"
    & skf18("3","3","1","10","4","1","1") = "9"
    & skf18("3","3","1","10","4","2","1") = "9"
    & skf18("3","3","1","10","4","3","1") = "9"
    & skf18("3","3","1","10","4","4","1") = "9"
    & skf18("3","3","1","10","4","5","1") = "9"
    & skf18("3","3","1","10","4","6","1") = "9"
    & skf18("3","3","1","10","4","7","1") = "9"
    & skf18("3","3","1","10","4","8","1") = "9"
    & skf18("3","3","1","10","4","9","1") = "9"
    & skf18("3","3","1","10","4","10","1") = "9"
    & skf18("3","3","1","10","5","1","1") = "9"
    & skf18("3","3","1","10","5","2","1") = "9"
    & skf18("3","3","1","10","5","3","1") = "9"
    & skf18("3","3","1","10","5","4","1") = "9"
    & skf18("3","3","1","10","5","5","1") = "9"
    & skf18("3","3","1","10","5","6","1") = "9"
    & skf18("3","3","1","10","5","7","1") = "9"
    & skf18("3","3","1","10","5","8","1") = "9"
    & skf18("3","3","1","10","5","9","1") = "9"
    & skf18("3","3","1","10","5","10","1") = "9"
    & skf18("3","3","1","10","6","1","1") = "9"
    & skf18("3","3","1","10","6","2","1") = "9"
    & skf18("3","3","1","10","6","3","1") = "9"
    & skf18("3","3","1","10","6","4","1") = "9"
    & skf18("3","3","1","10","6","5","1") = "9"
    & skf18("3","3","1","10","6","6","1") = "9"
    & skf18("3","3","1","10","6","7","1") = "9"
    & skf18("3","3","1","10","6","8","1") = "9"
    & skf18("3","3","1","10","6","9","1") = "9"
    & skf18("3","3","1","10","6","10","1") = "9"
    & skf18("3","3","1","10","7","1","1") = "9"
    & skf18("3","3","1","10","7","2","1") = "9"
    & skf18("3","3","1","10","7","3","1") = "9"
    & skf18("3","3","1","10","7","4","1") = "9"
    & skf18("3","3","1","10","7","5","1") = "9"
    & skf18("3","3","1","10","7","6","1") = "9"
    & skf18("3","3","1","10","7","7","1") = "9"
    & skf18("3","3","1","10","7","8","1") = "9"
    & skf18("3","3","1","10","7","9","1") = "9"
    & skf18("3","3","1","10","7","10","1") = "9"
    & skf18("3","3","1","10","8","1","1") = "9"
    & skf18("3","3","1","10","8","2","1") = "9"
    & skf18("3","3","1","10","8","3","1") = "9"
    & skf18("3","3","1","10","8","4","1") = "9"
    & skf18("3","3","1","10","8","5","1") = "9"
    & skf18("3","3","1","10","8","6","1") = "9"
    & skf18("3","3","1","10","8","7","1") = "9"
    & skf18("3","3","1","10","8","8","1") = "9"
    & skf18("3","3","1","10","8","9","1") = "9"
    & skf18("3","3","1","10","8","10","1") = "9"
    & skf18("3","3","1","10","9","1","1") = "9"
    & skf18("3","3","1","10","9","2","1") = "9"
    & skf18("3","3","1","10","9","3","1") = "9"
    & skf18("3","3","1","10","9","4","1") = "9"
    & skf18("3","3","1","10","9","5","1") = "9"
    & skf18("3","3","1","10","9","6","1") = "9"
    & skf18("3","3","1","10","9","7","1") = "9"
    & skf18("3","3","1","10","9","8","1") = "9"
    & skf18("3","3","1","10","9","9","1") = "9"
    & skf18("3","3","1","10","9","10","1") = "9"
    & skf18("3","3","1","10","10","1","1") = "9"
    & skf18("3","3","1","10","10","2","1") = "9"
    & skf18("3","3","1","10","10","3","1") = "9"
    & skf18("3","3","1","10","10","4","1") = "9"
    & skf18("3","3","1","10","10","5","1") = "9"
    & skf18("3","3","1","10","10","6","1") = "9"
    & skf18("3","3","1","10","10","7","1") = "9"
    & skf18("3","3","1","10","10","8","1") = "9"
    & skf18("3","3","1","10","10","9","1") = "9"
    & skf18("3","3","1","10","10","10","1") = "9"
    & skf18("3","3","2","1","1","1","1") = "2"
    & skf18("3","3","2","1","1","2","1") = "2"
    & skf18("3","3","2","1","1","3","1") = "2"
    & skf18("3","3","2","1","1","4","1") = "3"
    & skf18("3","3","2","1","1","5","1") = "4"
    & skf18("3","3","2","1","1","6","1") = "5"
    & skf18("3","3","2","1","1","7","1") = "6"
    & skf18("3","3","2","1","1","8","1") = "7"
    & skf18("3","3","2","1","1","9","1") = "8"
    & skf18("3","3","2","1","1","10","1") = "9"
    & skf18("3","3","2","1","2","1","1") = "2"
    & skf18("3","3","2","1","2","2","1") = "2"
    & skf18("3","3","2","1","2","3","1") = "1"
    & skf18("3","3","2","1","2","4","1") = "3"
    & skf18("3","3","2","1","2","5","1") = "4"
    & skf18("3","3","2","1","2","6","1") = "5"
    & skf18("3","3","2","1","2","7","1") = "6"
    & skf18("3","3","2","1","2","8","1") = "7"
    & skf18("3","3","2","1","2","9","1") = "8"
    & skf18("3","3","2","1","2","10","1") = "9"
    & skf18("3","3","2","1","3","1","1") = "2"
    & skf18("3","3","2","1","3","2","1") = "2"
    & skf18("3","3","2","1","3","3","1") = "2"
    & skf18("3","3","2","1","3","4","1") = "3"
    & skf18("3","3","2","1","3","5","1") = "4"
    & skf18("3","3","2","1","3","6","1") = "5"
    & skf18("3","3","2","1","3","7","1") = "6"
    & skf18("3","3","2","1","3","8","1") = "7"
    & skf18("3","3","2","1","3","9","1") = "8"
    & skf18("3","3","2","1","3","10","1") = "9"
    & skf18("3","3","2","1","4","1","1") = "3"
    & skf18("3","3","2","1","4","2","1") = "3"
    & skf18("3","3","2","1","4","3","1") = "2"
    & skf18("3","3","2","1","4","4","1") = "3"
    & skf18("3","3","2","1","4","5","1") = "4"
    & skf18("3","3","2","1","4","6","1") = "5"
    & skf18("3","3","2","1","4","7","1") = "6"
    & skf18("3","3","2","1","4","8","1") = "7"
    & skf18("3","3","2","1","4","9","1") = "8"
    & skf18("3","3","2","1","4","10","1") = "9"
    & skf18("3","3","2","1","5","1","1") = "4"
    & skf18("3","3","2","1","5","2","1") = "4"
    & skf18("3","3","2","1","5","3","1") = "4"
    & skf18("3","3","2","1","5","4","1") = "4"
    & skf18("3","3","2","1","5","5","1") = "4"
    & skf18("3","3","2","1","5","6","1") = "5"
    & skf18("3","3","2","1","5","7","1") = "6"
    & skf18("3","3","2","1","5","8","1") = "7"
    & skf18("3","3","2","1","5","9","1") = "8"
    & skf18("3","3","2","1","5","10","1") = "9"
    & skf18("3","3","2","1","6","1","1") = "5"
    & skf18("3","3","2","1","6","2","1") = "5"
    & skf18("3","3","2","1","6","3","1") = "5"
    & skf18("3","3","2","1","6","4","1") = "5"
    & skf18("3","3","2","1","6","5","1") = "5"
    & skf18("3","3","2","1","6","6","1") = "5"
    & skf18("3","3","2","1","6","7","1") = "6"
    & skf18("3","3","2","1","6","8","1") = "7"
    & skf18("3","3","2","1","6","9","1") = "8"
    & skf18("3","3","2","1","6","10","1") = "9"
    & skf18("3","3","2","1","7","1","1") = "6"
    & skf18("3","3","2","1","7","2","1") = "6"
    & skf18("3","3","2","1","7","3","1") = "6"
    & skf18("3","3","2","1","7","4","1") = "6"
    & skf18("3","3","2","1","7","5","1") = "6"
    & skf18("3","3","2","1","7","6","1") = "6"
    & skf18("3","3","2","1","7","7","1") = "6"
    & skf18("3","3","2","1","7","8","1") = "7"
    & skf18("3","3","2","1","7","9","1") = "8"
    & skf18("3","3","2","1","7","10","1") = "9"
    & skf18("3","3","2","1","8","1","1") = "7"
    & skf18("3","3","2","1","8","2","1") = "7"
    & skf18("3","3","2","1","8","3","1") = "7"
    & skf18("3","3","2","1","8","4","1") = "7"
    & skf18("3","3","2","1","8","5","1") = "7"
    & skf18("3","3","2","1","8","6","1") = "7"
    & skf18("3","3","2","1","8","7","1") = "7"
    & skf18("3","3","2","1","8","8","1") = "7"
    & skf18("3","3","2","1","8","9","1") = "8"
    & skf18("3","3","2","1","8","10","1") = "9"
    & skf18("3","3","2","1","9","1","1") = "8"
    & skf18("3","3","2","1","9","2","1") = "8"
    & skf18("3","3","2","1","9","3","1") = "8"
    & skf18("3","3","2","1","9","4","1") = "8"
    & skf18("3","3","2","1","9","5","1") = "8"
    & skf18("3","3","2","1","9","6","1") = "8"
    & skf18("3","3","2","1","9","7","1") = "8"
    & skf18("3","3","2","1","9","8","1") = "8"
    & skf18("3","3","2","1","9","9","1") = "8"
    & skf18("3","3","2","1","9","10","1") = "9"
    & skf18("3","3","2","1","10","1","1") = "9"
    & skf18("3","3","2","1","10","2","1") = "9"
    & skf18("3","3","2","1","10","3","1") = "9"
    & skf18("3","3","2","1","10","4","1") = "9"
    & skf18("3","3","2","1","10","5","1") = "9"
    & skf18("3","3","2","1","10","6","1") = "9"
    & skf18("3","3","2","1","10","7","1") = "9"
    & skf18("3","3","2","1","10","8","1") = "9"
    & skf18("3","3","2","1","10","9","1") = "9"
    & skf18("3","3","2","1","10","10","1") = "9"
    & skf18("3","3","2","2","1","1","1") = "2"
    & skf18("3","3","2","2","1","2","1") = "2"
    & skf18("3","3","2","2","1","3","1") = "2"
    & skf18("3","3","2","2","1","4","1") = "3"
    & skf18("3","3","2","2","1","5","1") = "4"
    & skf18("3","3","2","2","1","6","1") = "5"
    & skf18("3","3","2","2","1","7","1") = "6"
    & skf18("3","3","2","2","1","8","1") = "7"
    & skf18("3","3","2","2","1","9","1") = "8"
    & skf18("3","3","2","2","1","10","1") = "9"
    & skf18("3","3","2","2","2","1","1") = "2"
    & skf18("3","3","2","2","2","2","1") = "2"
    & skf18("3","3","2","2","2","3","1") = "2"
    & skf18("3","3","2","2","2","4","1") = "3"
    & skf18("3","3","2","2","2","5","1") = "4"
    & skf18("3","3","2","2","2","6","1") = "5"
    & skf18("3","3","2","2","2","7","1") = "6"
    & skf18("3","3","2","2","2","8","1") = "7"
    & skf18("3","3","2","2","2","9","1") = "8"
    & skf18("3","3","2","2","2","10","1") = "9"
    & skf18("3","3","2","2","3","1","1") = "2"
    & skf18("3","3","2","2","3","2","1") = "2"
    & skf18("3","3","2","2","3","3","1") = "2"
    & skf18("3","3","2","2","3","4","1") = "3"
    & skf18("3","3","2","2","3","5","1") = "4"
    & skf18("3","3","2","2","3","6","1") = "5"
    & skf18("3","3","2","2","3","7","1") = "6"
    & skf18("3","3","2","2","3","8","1") = "7"
    & skf18("3","3","2","2","3","9","1") = "8"
    & skf18("3","3","2","2","3","10","1") = "9"
    & skf18("3","3","2","2","4","1","1") = "3"
    & skf18("3","3","2","2","4","2","1") = "3"
    & skf18("3","3","2","2","4","3","1") = "3"
    & skf18("3","3","2","2","4","4","1") = "3"
    & skf18("3","3","2","2","4","5","1") = "4"
    & skf18("3","3","2","2","4","6","1") = "5"
    & skf18("3","3","2","2","4","7","1") = "6"
    & skf18("3","3","2","2","4","8","1") = "7"
    & skf18("3","3","2","2","4","9","1") = "8"
    & skf18("3","3","2","2","4","10","1") = "9"
    & skf18("3","3","2","2","5","1","1") = "4"
    & skf18("3","3","2","2","5","2","1") = "4"
    & skf18("3","3","2","2","5","3","1") = "4"
    & skf18("3","3","2","2","5","4","1") = "4"
    & skf18("3","3","2","2","5","5","1") = "4"
    & skf18("3","3","2","2","5","6","1") = "5"
    & skf18("3","3","2","2","5","7","1") = "6"
    & skf18("3","3","2","2","5","8","1") = "7"
    & skf18("3","3","2","2","5","9","1") = "8"
    & skf18("3","3","2","2","5","10","1") = "9"
    & skf18("3","3","2","2","6","1","1") = "5"
    & skf18("3","3","2","2","6","2","1") = "5"
    & skf18("3","3","2","2","6","3","1") = "5"
    & skf18("3","3","2","2","6","4","1") = "5"
    & skf18("3","3","2","2","6","5","1") = "5"
    & skf18("3","3","2","2","6","6","1") = "5"
    & skf18("3","3","2","2","6","7","1") = "6"
    & skf18("3","3","2","2","6","8","1") = "7"
    & skf18("3","3","2","2","6","9","1") = "8"
    & skf18("3","3","2","2","6","10","1") = "9"
    & skf18("3","3","2","2","7","1","1") = "6"
    & skf18("3","3","2","2","7","2","1") = "6"
    & skf18("3","3","2","2","7","3","1") = "6"
    & skf18("3","3","2","2","7","4","1") = "6"
    & skf18("3","3","2","2","7","5","1") = "6"
    & skf18("3","3","2","2","7","6","1") = "6"
    & skf18("3","3","2","2","7","7","1") = "6"
    & skf18("3","3","2","2","7","8","1") = "7"
    & skf18("3","3","2","2","7","9","1") = "8"
    & skf18("3","3","2","2","7","10","1") = "9"
    & skf18("3","3","2","2","8","1","1") = "7"
    & skf18("3","3","2","2","8","2","1") = "7"
    & skf18("3","3","2","2","8","3","1") = "7"
    & skf18("3","3","2","2","8","4","1") = "7"
    & skf18("3","3","2","2","8","5","1") = "7"
    & skf18("3","3","2","2","8","6","1") = "7"
    & skf18("3","3","2","2","8","7","1") = "7"
    & skf18("3","3","2","2","8","8","1") = "7"
    & skf18("3","3","2","2","8","9","1") = "8"
    & skf18("3","3","2","2","8","10","1") = "9"
    & skf18("3","3","2","2","9","1","1") = "8"
    & skf18("3","3","2","2","9","2","1") = "8"
    & skf18("3","3","2","2","9","3","1") = "8"
    & skf18("3","3","2","2","9","4","1") = "8"
    & skf18("3","3","2","2","9","5","1") = "8"
    & skf18("3","3","2","2","9","6","1") = "8"
    & skf18("3","3","2","2","9","7","1") = "8"
    & skf18("3","3","2","2","9","8","1") = "8"
    & skf18("3","3","2","2","9","9","1") = "8"
    & skf18("3","3","2","2","9","10","1") = "9"
    & skf18("3","3","2","2","10","1","1") = "9"
    & skf18("3","3","2","2","10","2","1") = "9"
    & skf18("3","3","2","2","10","3","1") = "9"
    & skf18("3","3","2","2","10","4","1") = "9"
    & skf18("3","3","2","2","10","5","1") = "9"
    & skf18("3","3","2","2","10","6","1") = "9"
    & skf18("3","3","2","2","10","7","1") = "9"
    & skf18("3","3","2","2","10","8","1") = "9"
    & skf18("3","3","2","2","10","9","1") = "9"
    & skf18("3","3","2","2","10","10","1") = "9"
    & skf18("3","3","2","3","1","1","1") = "2"
    & skf18("3","3","2","3","1","2","1") = "2"
    & skf18("3","3","2","3","1","3","1") = "1"
    & skf18("3","3","2","3","1","4","1") = "3"
    & skf18("3","3","2","3","1","5","1") = "4"
    & skf18("3","3","2","3","1","6","1") = "5"
    & skf18("3","3","2","3","1","7","1") = "6"
    & skf18("3","3","2","3","1","8","1") = "7"
    & skf18("3","3","2","3","1","9","1") = "8"
    & skf18("3","3","2","3","1","10","1") = "9"
    & skf18("3","3","2","3","2","1","1") = "2"
    & skf18("3","3","2","3","2","2","1") = "2"
    & skf18("3","3","2","3","2","3","1") = "2"
    & skf18("3","3","2","3","2","4","1") = "3"
    & skf18("3","3","2","3","2","5","1") = "4"
    & skf18("3","3","2","3","2","6","1") = "5"
    & skf18("3","3","2","3","2","7","1") = "6"
    & skf18("3","3","2","3","2","8","1") = "7"
    & skf18("3","3","2","3","2","9","1") = "8"
    & skf18("3","3","2","3","2","10","1") = "9"
    & skf18("3","3","2","3","3","1","1") = "2"
    & skf18("3","3","2","3","3","2","1") = "2"
    & skf18("3","3","2","3","3","3","1") = "2"
    & skf18("3","3","2","3","3","4","1") = "3"
    & skf18("3","3","2","3","3","5","1") = "4"
    & skf18("3","3","2","3","3","6","1") = "5"
    & skf18("3","3","2","3","3","7","1") = "6"
    & skf18("3","3","2","3","3","8","1") = "7"
    & skf18("3","3","2","3","3","9","1") = "8"
    & skf18("3","3","2","3","3","10","1") = "9"
    & skf18("3","3","2","3","4","1","1") = "3"
    & skf18("3","3","2","3","4","2","1") = "3"
    & skf18("3","3","2","3","4","3","1") = "3"
    & skf18("3","3","2","3","4","4","1") = "3"
    & skf18("3","3","2","3","4","5","1") = "4"
    & skf18("3","3","2","3","4","6","1") = "5"
    & skf18("3","3","2","3","4","7","1") = "6"
    & skf18("3","3","2","3","4","8","1") = "7"
    & skf18("3","3","2","3","4","9","1") = "8"
    & skf18("3","3","2","3","4","10","1") = "9"
    & skf18("3","3","2","3","5","1","1") = "4"
    & skf18("3","3","2","3","5","2","1") = "4"
    & skf18("3","3","2","3","5","3","1") = "4"
    & skf18("3","3","2","3","5","4","1") = "4"
    & skf18("3","3","2","3","5","5","1") = "4"
    & skf18("3","3","2","3","5","6","1") = "5"
    & skf18("3","3","2","3","5","7","1") = "6"
    & skf18("3","3","2","3","5","8","1") = "7"
    & skf18("3","3","2","3","5","9","1") = "8"
    & skf18("3","3","2","3","5","10","1") = "9"
    & skf18("3","3","2","3","6","1","1") = "5"
    & skf18("3","3","2","3","6","2","1") = "5"
    & skf18("3","3","2","3","6","3","1") = "5"
    & skf18("3","3","2","3","6","4","1") = "5"
    & skf18("3","3","2","3","6","5","1") = "5"
    & skf18("3","3","2","3","6","6","1") = "5"
    & skf18("3","3","2","3","6","7","1") = "6"
    & skf18("3","3","2","3","6","8","1") = "7"
    & skf18("3","3","2","3","6","9","1") = "8"
    & skf18("3","3","2","3","6","10","1") = "9"
    & skf18("3","3","2","3","7","1","1") = "6"
    & skf18("3","3","2","3","7","2","1") = "6"
    & skf18("3","3","2","3","7","3","1") = "6"
    & skf18("3","3","2","3","7","4","1") = "6"
    & skf18("3","3","2","3","7","5","1") = "6"
    & skf18("3","3","2","3","7","6","1") = "6"
    & skf18("3","3","2","3","7","7","1") = "6"
    & skf18("3","3","2","3","7","8","1") = "7"
    & skf18("3","3","2","3","7","9","1") = "8"
    & skf18("3","3","2","3","7","10","1") = "9"
    & skf18("3","3","2","3","8","1","1") = "7"
    & skf18("3","3","2","3","8","2","1") = "7"
    & skf18("3","3","2","3","8","3","1") = "7"
    & skf18("3","3","2","3","8","4","1") = "7"
    & skf18("3","3","2","3","8","5","1") = "7"
    & skf18("3","3","2","3","8","6","1") = "7"
    & skf18("3","3","2","3","8","7","1") = "7"
    & skf18("3","3","2","3","8","8","1") = "7"
    & skf18("3","3","2","3","8","9","1") = "8"
    & skf18("3","3","2","3","8","10","1") = "9"
    & skf18("3","3","2","3","9","1","1") = "8"
    & skf18("3","3","2","3","9","2","1") = "8"
    & skf18("3","3","2","3","9","3","1") = "8"
    & skf18("3","3","2","3","9","4","1") = "8"
    & skf18("3","3","2","3","9","5","1") = "8"
    & skf18("3","3","2","3","9","6","1") = "8"
    & skf18("3","3","2","3","9","7","1") = "8"
    & skf18("3","3","2","3","9","8","1") = "8"
    & skf18("3","3","2","3","9","9","1") = "8"
    & skf18("3","3","2","3","9","10","1") = "9"
    & skf18("3","3","2","3","10","1","1") = "9"
    & skf18("3","3","2","3","10","2","1") = "9"
    & skf18("3","3","2","3","10","3","1") = "9"
    & skf18("3","3","2","3","10","4","1") = "9"
    & skf18("3","3","2","3","10","5","1") = "9"
    & skf18("3","3","2","3","10","6","1") = "9"
    & skf18("3","3","2","3","10","7","1") = "9"
    & skf18("3","3","2","3","10","8","1") = "9"
    & skf18("3","3","2","3","10","9","1") = "9"
    & skf18("3","3","2","3","10","10","1") = "9"
    & skf18("3","3","2","4","1","1","1") = "3"
    & skf18("3","3","2","4","1","2","1") = "3"
    & skf18("3","3","2","4","1","3","1") = "3"
    & skf18("3","3","2","4","1","4","1") = "3"
    & skf18("3","3","2","4","1","5","1") = "4"
    & skf18("3","3","2","4","1","6","1") = "5"
    & skf18("3","3","2","4","1","7","1") = "6"
    & skf18("3","3","2","4","1","8","1") = "7"
    & skf18("3","3","2","4","1","9","1") = "8"
    & skf18("3","3","2","4","1","10","1") = "9"
    & skf18("3","3","2","4","2","1","1") = "3"
    & skf18("3","3","2","4","2","2","1") = "3"
    & skf18("3","3","2","4","2","3","1") = "3"
    & skf18("3","3","2","4","2","4","1") = "3"
    & skf18("3","3","2","4","2","5","1") = "4"
    & skf18("3","3","2","4","2","6","1") = "5"
    & skf18("3","3","2","4","2","7","1") = "6"
    & skf18("3","3","2","4","2","8","1") = "7"
    & skf18("3","3","2","4","2","9","1") = "8"
    & skf18("3","3","2","4","2","10","1") = "9"
    & skf18("3","3","2","4","3","1","1") = "3"
    & skf18("3","3","2","4","3","2","1") = "3"
    & skf18("3","3","2","4","3","3","1") = "3"
    & skf18("3","3","2","4","3","4","1") = "3"
    & skf18("3","3","2","4","3","5","1") = "4"
    & skf18("3","3","2","4","3","6","1") = "5"
    & skf18("3","3","2","4","3","7","1") = "6"
    & skf18("3","3","2","4","3","8","1") = "7"
    & skf18("3","3","2","4","3","9","1") = "8"
    & skf18("3","3","2","4","3","10","1") = "9"
    & skf18("3","3","2","4","4","1","1") = "3"
    & skf18("3","3","2","4","4","2","1") = "3"
    & skf18("3","3","2","4","4","3","1") = "3"
    & skf18("3","3","2","4","4","4","1") = "3"
    & skf18("3","3","2","4","4","5","1") = "4"
    & skf18("3","3","2","4","4","6","1") = "5"
    & skf18("3","3","2","4","4","7","1") = "6"
    & skf18("3","3","2","4","4","8","1") = "7"
    & skf18("3","3","2","4","4","9","1") = "8"
    & skf18("3","3","2","4","4","10","1") = "9"
    & skf18("3","3","2","4","5","1","1") = "4"
    & skf18("3","3","2","4","5","2","1") = "4"
    & skf18("3","3","2","4","5","3","1") = "4"
    & skf18("3","3","2","4","5","4","1") = "4"
    & skf18("3","3","2","4","5","5","1") = "4"
    & skf18("3","3","2","4","5","6","1") = "5"
    & skf18("3","3","2","4","5","7","1") = "6"
    & skf18("3","3","2","4","5","8","1") = "7"
    & skf18("3","3","2","4","5","9","1") = "8"
    & skf18("3","3","2","4","5","10","1") = "9"
    & skf18("3","3","2","4","6","1","1") = "5"
    & skf18("3","3","2","4","6","2","1") = "5"
    & skf18("3","3","2","4","6","3","1") = "5"
    & skf18("3","3","2","4","6","4","1") = "5"
    & skf18("3","3","2","4","6","5","1") = "5"
    & skf18("3","3","2","4","6","6","1") = "5"
    & skf18("3","3","2","4","6","7","1") = "6"
    & skf18("3","3","2","4","6","8","1") = "7"
    & skf18("3","3","2","4","6","9","1") = "8"
    & skf18("3","3","2","4","6","10","1") = "9"
    & skf18("3","3","2","4","7","1","1") = "6"
    & skf18("3","3","2","4","7","2","1") = "6"
    & skf18("3","3","2","4","7","3","1") = "6"
    & skf18("3","3","2","4","7","4","1") = "6"
    & skf18("3","3","2","4","7","5","1") = "6"
    & skf18("3","3","2","4","7","6","1") = "6"
    & skf18("3","3","2","4","7","7","1") = "6"
    & skf18("3","3","2","4","7","8","1") = "7"
    & skf18("3","3","2","4","7","9","1") = "8"
    & skf18("3","3","2","4","7","10","1") = "9"
    & skf18("3","3","2","4","8","1","1") = "7"
    & skf18("3","3","2","4","8","2","1") = "7"
    & skf18("3","3","2","4","8","3","1") = "7"
    & skf18("3","3","2","4","8","4","1") = "7"
    & skf18("3","3","2","4","8","5","1") = "7"
    & skf18("3","3","2","4","8","6","1") = "7"
    & skf18("3","3","2","4","8","7","1") = "7"
    & skf18("3","3","2","4","8","8","1") = "7"
    & skf18("3","3","2","4","8","9","1") = "8"
    & skf18("3","3","2","4","8","10","1") = "9"
    & skf18("3","3","2","4","9","1","1") = "8"
    & skf18("3","3","2","4","9","2","1") = "8"
    & skf18("3","3","2","4","9","3","1") = "8"
    & skf18("3","3","2","4","9","4","1") = "8"
    & skf18("3","3","2","4","9","5","1") = "8"
    & skf18("3","3","2","4","9","6","1") = "8"
    & skf18("3","3","2","4","9","7","1") = "8"
    & skf18("3","3","2","4","9","8","1") = "8"
    & skf18("3","3","2","4","9","9","1") = "8"
    & skf18("3","3","2","4","9","10","1") = "9"
    & skf18("3","3","2","4","10","1","1") = "9"
    & skf18("3","3","2","4","10","2","1") = "9"
    & skf18("3","3","2","4","10","3","1") = "9"
    & skf18("3","3","2","4","10","4","1") = "9"
    & skf18("3","3","2","4","10","5","1") = "9"
    & skf18("3","3","2","4","10","6","1") = "9"
    & skf18("3","3","2","4","10","7","1") = "9"
    & skf18("3","3","2","4","10","8","1") = "9"
    & skf18("3","3","2","4","10","9","1") = "9"
    & skf18("3","3","2","4","10","10","1") = "9"
    & skf18("3","3","2","5","1","1","1") = "4"
    & skf18("3","3","2","5","1","2","1") = "4"
    & skf18("3","3","2","5","1","3","1") = "4"
    & skf18("3","3","2","5","1","4","1") = "4"
    & skf18("3","3","2","5","1","5","1") = "4"
    & skf18("3","3","2","5","1","6","1") = "5"
    & skf18("3","3","2","5","1","7","1") = "6"
    & skf18("3","3","2","5","1","8","1") = "7"
    & skf18("3","3","2","5","1","9","1") = "8"
    & skf18("3","3","2","5","1","10","1") = "9"
    & skf18("3","3","2","5","2","1","1") = "4"
    & skf18("3","3","2","5","2","2","1") = "4"
    & skf18("3","3","2","5","2","3","1") = "4"
    & skf18("3","3","2","5","2","4","1") = "4"
    & skf18("3","3","2","5","2","5","1") = "4"
    & skf18("3","3","2","5","2","6","1") = "5"
    & skf18("3","3","2","5","2","7","1") = "6"
    & skf18("3","3","2","5","2","8","1") = "7"
    & skf18("3","3","2","5","2","9","1") = "8"
    & skf18("3","3","2","5","2","10","1") = "9"
    & skf18("3","3","2","5","3","1","1") = "4"
    & skf18("3","3","2","5","3","2","1") = "4"
    & skf18("3","3","2","5","3","3","1") = "4"
    & skf18("3","3","2","5","3","4","1") = "4"
    & skf18("3","3","2","5","3","5","1") = "4"
    & skf18("3","3","2","5","3","6","1") = "5"
    & skf18("3","3","2","5","3","7","1") = "6"
    & skf18("3","3","2","5","3","8","1") = "7"
    & skf18("3","3","2","5","3","9","1") = "8"
    & skf18("3","3","2","5","3","10","1") = "9"
    & skf18("3","3","2","5","4","1","1") = "4"
    & skf18("3","3","2","5","4","2","1") = "4"
    & skf18("3","3","2","5","4","3","1") = "4"
    & skf18("3","3","2","5","4","4","1") = "4"
    & skf18("3","3","2","5","4","5","1") = "4"
    & skf18("3","3","2","5","4","6","1") = "5"
    & skf18("3","3","2","5","4","7","1") = "6"
    & skf18("3","3","2","5","4","8","1") = "7"
    & skf18("3","3","2","5","4","9","1") = "8"
    & skf18("3","3","2","5","4","10","1") = "9"
    & skf18("3","3","2","5","5","1","1") = "4"
    & skf18("3","3","2","5","5","2","1") = "4"
    & skf18("3","3","2","5","5","3","1") = "4"
    & skf18("3","3","2","5","5","4","1") = "4"
    & skf18("3","3","2","5","5","5","1") = "4"
    & skf18("3","3","2","5","5","6","1") = "5"
    & skf18("3","3","2","5","5","7","1") = "6"
    & skf18("3","3","2","5","5","8","1") = "7"
    & skf18("3","3","2","5","5","9","1") = "8"
    & skf18("3","3","2","5","5","10","1") = "9"
    & skf18("3","3","2","5","6","1","1") = "5"
    & skf18("3","3","2","5","6","2","1") = "5"
    & skf18("3","3","2","5","6","3","1") = "5"
    & skf18("3","3","2","5","6","4","1") = "5"
    & skf18("3","3","2","5","6","5","1") = "5"
    & skf18("3","3","2","5","6","6","1") = "5"
    & skf18("3","3","2","5","6","7","1") = "6"
    & skf18("3","3","2","5","6","8","1") = "7"
    & skf18("3","3","2","5","6","9","1") = "8"
    & skf18("3","3","2","5","6","10","1") = "9"
    & skf18("3","3","2","5","7","1","1") = "6"
    & skf18("3","3","2","5","7","2","1") = "6"
    & skf18("3","3","2","5","7","3","1") = "6"
    & skf18("3","3","2","5","7","4","1") = "6"
    & skf18("3","3","2","5","7","5","1") = "6"
    & skf18("3","3","2","5","7","6","1") = "6"
    & skf18("3","3","2","5","7","7","1") = "6"
    & skf18("3","3","2","5","7","8","1") = "7"
    & skf18("3","3","2","5","7","9","1") = "8"
    & skf18("3","3","2","5","7","10","1") = "9"
    & skf18("3","3","2","5","8","1","1") = "7"
    & skf18("3","3","2","5","8","2","1") = "7"
    & skf18("3","3","2","5","8","3","1") = "7"
    & skf18("3","3","2","5","8","4","1") = "7"
    & skf18("3","3","2","5","8","5","1") = "7"
    & skf18("3","3","2","5","8","6","1") = "7"
    & skf18("3","3","2","5","8","7","1") = "7"
    & skf18("3","3","2","5","8","8","1") = "7"
    & skf18("3","3","2","5","8","9","1") = "8"
    & skf18("3","3","2","5","8","10","1") = "9"
    & skf18("3","3","2","5","9","1","1") = "8"
    & skf18("3","3","2","5","9","2","1") = "8"
    & skf18("3","3","2","5","9","3","1") = "8"
    & skf18("3","3","2","5","9","4","1") = "8"
    & skf18("3","3","2","5","9","5","1") = "8"
    & skf18("3","3","2","5","9","6","1") = "8"
    & skf18("3","3","2","5","9","7","1") = "8"
    & skf18("3","3","2","5","9","8","1") = "8"
    & skf18("3","3","2","5","9","9","1") = "8"
    & skf18("3","3","2","5","9","10","1") = "9"
    & skf18("3","3","2","5","10","1","1") = "9"
    & skf18("3","3","2","5","10","2","1") = "9"
    & skf18("3","3","2","5","10","3","1") = "9"
    & skf18("3","3","2","5","10","4","1") = "9"
    & skf18("3","3","2","5","10","5","1") = "9"
    & skf18("3","3","2","5","10","6","1") = "9"
    & skf18("3","3","2","5","10","7","1") = "9"
    & skf18("3","3","2","5","10","8","1") = "9"
    & skf18("3","3","2","5","10","9","1") = "9"
    & skf18("3","3","2","5","10","10","1") = "9"
    & skf18("3","3","2","6","1","1","1") = "5"
    & skf18("3","3","2","6","1","2","1") = "5"
    & skf18("3","3","2","6","1","3","1") = "5"
    & skf18("3","3","2","6","1","4","1") = "5"
    & skf18("3","3","2","6","1","5","1") = "5"
    & skf18("3","3","2","6","1","6","1") = "5"
    & skf18("3","3","2","6","1","7","1") = "6"
    & skf18("3","3","2","6","1","8","1") = "7"
    & skf18("3","3","2","6","1","9","1") = "8"
    & skf18("3","3","2","6","1","10","1") = "9"
    & skf18("3","3","2","6","2","1","1") = "5"
    & skf18("3","3","2","6","2","2","1") = "5"
    & skf18("3","3","2","6","2","3","1") = "5"
    & skf18("3","3","2","6","2","4","1") = "5"
    & skf18("3","3","2","6","2","5","1") = "5"
    & skf18("3","3","2","6","2","6","1") = "5"
    & skf18("3","3","2","6","2","7","1") = "6"
    & skf18("3","3","2","6","2","8","1") = "7"
    & skf18("3","3","2","6","2","9","1") = "8"
    & skf18("3","3","2","6","2","10","1") = "9"
    & skf18("3","3","2","6","3","1","1") = "5"
    & skf18("3","3","2","6","3","2","1") = "5"
    & skf18("3","3","2","6","3","3","1") = "5"
    & skf18("3","3","2","6","3","4","1") = "5"
    & skf18("3","3","2","6","3","5","1") = "5"
    & skf18("3","3","2","6","3","6","1") = "5"
    & skf18("3","3","2","6","3","7","1") = "6"
    & skf18("3","3","2","6","3","8","1") = "7"
    & skf18("3","3","2","6","3","9","1") = "8"
    & skf18("3","3","2","6","3","10","1") = "9"
    & skf18("3","3","2","6","4","1","1") = "5"
    & skf18("3","3","2","6","4","2","1") = "5"
    & skf18("3","3","2","6","4","3","1") = "5"
    & skf18("3","3","2","6","4","4","1") = "5"
    & skf18("3","3","2","6","4","5","1") = "5"
    & skf18("3","3","2","6","4","6","1") = "5"
    & skf18("3","3","2","6","4","7","1") = "6"
    & skf18("3","3","2","6","4","8","1") = "7"
    & skf18("3","3","2","6","4","9","1") = "8"
    & skf18("3","3","2","6","4","10","1") = "9"
    & skf18("3","3","2","6","5","1","1") = "5"
    & skf18("3","3","2","6","5","2","1") = "5"
    & skf18("3","3","2","6","5","3","1") = "5"
    & skf18("3","3","2","6","5","4","1") = "5"
    & skf18("3","3","2","6","5","5","1") = "5"
    & skf18("3","3","2","6","5","6","1") = "5"
    & skf18("3","3","2","6","5","7","1") = "6"
    & skf18("3","3","2","6","5","8","1") = "7"
    & skf18("3","3","2","6","5","9","1") = "8"
    & skf18("3","3","2","6","5","10","1") = "9"
    & skf18("3","3","2","6","6","1","1") = "5"
    & skf18("3","3","2","6","6","2","1") = "5"
    & skf18("3","3","2","6","6","3","1") = "5"
    & skf18("3","3","2","6","6","4","1") = "5"
    & skf18("3","3","2","6","6","5","1") = "5"
    & skf18("3","3","2","6","6","6","1") = "5"
    & skf18("3","3","2","6","6","7","1") = "6"
    & skf18("3","3","2","6","6","8","1") = "7"
    & skf18("3","3","2","6","6","9","1") = "8"
    & skf18("3","3","2","6","6","10","1") = "9"
    & skf18("3","3","2","6","7","1","1") = "6"
    & skf18("3","3","2","6","7","2","1") = "6"
    & skf18("3","3","2","6","7","3","1") = "6"
    & skf18("3","3","2","6","7","4","1") = "6"
    & skf18("3","3","2","6","7","5","1") = "6"
    & skf18("3","3","2","6","7","6","1") = "6"
    & skf18("3","3","2","6","7","7","1") = "6"
    & skf18("3","3","2","6","7","8","1") = "7"
    & skf18("3","3","2","6","7","9","1") = "8"
    & skf18("3","3","2","6","7","10","1") = "9"
    & skf18("3","3","2","6","8","1","1") = "7"
    & skf18("3","3","2","6","8","2","1") = "7"
    & skf18("3","3","2","6","8","3","1") = "7"
    & skf18("3","3","2","6","8","4","1") = "7"
    & skf18("3","3","2","6","8","5","1") = "7"
    & skf18("3","3","2","6","8","6","1") = "7"
    & skf18("3","3","2","6","8","7","1") = "7"
    & skf18("3","3","2","6","8","8","1") = "7"
    & skf18("3","3","2","6","8","9","1") = "8"
    & skf18("3","3","2","6","8","10","1") = "9"
    & skf18("3","3","2","6","9","1","1") = "8"
    & skf18("3","3","2","6","9","2","1") = "8"
    & skf18("3","3","2","6","9","3","1") = "8"
    & skf18("3","3","2","6","9","4","1") = "8"
    & skf18("3","3","2","6","9","5","1") = "8"
    & skf18("3","3","2","6","9","6","1") = "8"
    & skf18("3","3","2","6","9","7","1") = "8"
    & skf18("3","3","2","6","9","8","1") = "8"
    & skf18("3","3","2","6","9","9","1") = "8"
    & skf18("3","3","2","6","9","10","1") = "9"
    & skf18("3","3","2","6","10","1","1") = "9"
    & skf18("3","3","2","6","10","2","1") = "9"
    & skf18("3","3","2","6","10","3","1") = "9"
    & skf18("3","3","2","6","10","4","1") = "9"
    & skf18("3","3","2","6","10","5","1") = "9"
    & skf18("3","3","2","6","10","6","1") = "9"
    & skf18("3","3","2","6","10","7","1") = "9"
    & skf18("3","3","2","6","10","8","1") = "9"
    & skf18("3","3","2","6","10","9","1") = "9"
    & skf18("3","3","2","6","10","10","1") = "9"
    & skf18("3","3","2","7","1","1","1") = "6"
    & skf18("3","3","2","7","1","2","1") = "6"
    & skf18("3","3","2","7","1","3","1") = "6"
    & skf18("3","3","2","7","1","4","1") = "6"
    & skf18("3","3","2","7","1","5","1") = "6"
    & skf18("3","3","2","7","1","6","1") = "6"
    & skf18("3","3","2","7","1","7","1") = "6"
    & skf18("3","3","2","7","1","8","1") = "7"
    & skf18("3","3","2","7","1","9","1") = "8"
    & skf18("3","3","2","7","1","10","1") = "9"
    & skf18("3","3","2","7","2","1","1") = "6"
    & skf18("3","3","2","7","2","2","1") = "6"
    & skf18("3","3","2","7","2","3","1") = "6"
    & skf18("3","3","2","7","2","4","1") = "6"
    & skf18("3","3","2","7","2","5","1") = "6"
    & skf18("3","3","2","7","2","6","1") = "6"
    & skf18("3","3","2","7","2","7","1") = "6"
    & skf18("3","3","2","7","2","8","1") = "7"
    & skf18("3","3","2","7","2","9","1") = "8"
    & skf18("3","3","2","7","2","10","1") = "9"
    & skf18("3","3","2","7","3","1","1") = "6"
    & skf18("3","3","2","7","3","2","1") = "6"
    & skf18("3","3","2","7","3","3","1") = "6"
    & skf18("3","3","2","7","3","4","1") = "6"
    & skf18("3","3","2","7","3","5","1") = "6"
    & skf18("3","3","2","7","3","6","1") = "6"
    & skf18("3","3","2","7","3","7","1") = "6"
    & skf18("3","3","2","7","3","8","1") = "7"
    & skf18("3","3","2","7","3","9","1") = "8"
    & skf18("3","3","2","7","3","10","1") = "9"
    & skf18("3","3","2","7","4","1","1") = "6"
    & skf18("3","3","2","7","4","2","1") = "6"
    & skf18("3","3","2","7","4","3","1") = "6"
    & skf18("3","3","2","7","4","4","1") = "6"
    & skf18("3","3","2","7","4","5","1") = "6"
    & skf18("3","3","2","7","4","6","1") = "6"
    & skf18("3","3","2","7","4","7","1") = "6"
    & skf18("3","3","2","7","4","8","1") = "7"
    & skf18("3","3","2","7","4","9","1") = "8"
    & skf18("3","3","2","7","4","10","1") = "9"
    & skf18("3","3","2","7","5","1","1") = "6"
    & skf18("3","3","2","7","5","2","1") = "6"
    & skf18("3","3","2","7","5","3","1") = "6"
    & skf18("3","3","2","7","5","4","1") = "6"
    & skf18("3","3","2","7","5","5","1") = "6"
    & skf18("3","3","2","7","5","6","1") = "6"
    & skf18("3","3","2","7","5","7","1") = "6"
    & skf18("3","3","2","7","5","8","1") = "7"
    & skf18("3","3","2","7","5","9","1") = "8"
    & skf18("3","3","2","7","5","10","1") = "9"
    & skf18("3","3","2","7","6","1","1") = "6"
    & skf18("3","3","2","7","6","2","1") = "6"
    & skf18("3","3","2","7","6","3","1") = "6"
    & skf18("3","3","2","7","6","4","1") = "6"
    & skf18("3","3","2","7","6","5","1") = "6"
    & skf18("3","3","2","7","6","6","1") = "6"
    & skf18("3","3","2","7","6","7","1") = "6"
    & skf18("3","3","2","7","6","8","1") = "7"
    & skf18("3","3","2","7","6","9","1") = "8"
    & skf18("3","3","2","7","6","10","1") = "9"
    & skf18("3","3","2","7","7","1","1") = "6"
    & skf18("3","3","2","7","7","2","1") = "6"
    & skf18("3","3","2","7","7","3","1") = "6"
    & skf18("3","3","2","7","7","4","1") = "6"
    & skf18("3","3","2","7","7","5","1") = "6"
    & skf18("3","3","2","7","7","6","1") = "6"
    & skf18("3","3","2","7","7","7","1") = "6"
    & skf18("3","3","2","7","7","8","1") = "7"
    & skf18("3","3","2","7","7","9","1") = "8"
    & skf18("3","3","2","7","7","10","1") = "9"
    & skf18("3","3","2","7","8","1","1") = "7"
    & skf18("3","3","2","7","8","2","1") = "7"
    & skf18("3","3","2","7","8","3","1") = "7"
    & skf18("3","3","2","7","8","4","1") = "7"
    & skf18("3","3","2","7","8","5","1") = "7"
    & skf18("3","3","2","7","8","6","1") = "7"
    & skf18("3","3","2","7","8","7","1") = "7"
    & skf18("3","3","2","7","8","8","1") = "7"
    & skf18("3","3","2","7","8","9","1") = "8"
    & skf18("3","3","2","7","8","10","1") = "9"
    & skf18("3","3","2","7","9","1","1") = "8"
    & skf18("3","3","2","7","9","2","1") = "8"
    & skf18("3","3","2","7","9","3","1") = "8"
    & skf18("3","3","2","7","9","4","1") = "8"
    & skf18("3","3","2","7","9","5","1") = "8"
    & skf18("3","3","2","7","9","6","1") = "8"
    & skf18("3","3","2","7","9","7","1") = "8"
    & skf18("3","3","2","7","9","8","1") = "8"
    & skf18("3","3","2","7","9","9","1") = "8"
    & skf18("3","3","2","7","9","10","1") = "9"
    & skf18("3","3","2","7","10","1","1") = "9"
    & skf18("3","3","2","7","10","2","1") = "9"
    & skf18("3","3","2","7","10","3","1") = "9"
    & skf18("3","3","2","7","10","4","1") = "9"
    & skf18("3","3","2","7","10","5","1") = "9"
    & skf18("3","3","2","7","10","6","1") = "9"
    & skf18("3","3","2","7","10","7","1") = "9"
    & skf18("3","3","2","7","10","8","1") = "9"
    & skf18("3","3","2","7","10","9","1") = "9"
    & skf18("3","3","2","7","10","10","1") = "9"
    & skf18("3","3","2","8","1","1","1") = "7"
    & skf18("3","3","2","8","1","2","1") = "7"
    & skf18("3","3","2","8","1","3","1") = "7"
    & skf18("3","3","2","8","1","4","1") = "7"
    & skf18("3","3","2","8","1","5","1") = "7"
    & skf18("3","3","2","8","1","6","1") = "7"
    & skf18("3","3","2","8","1","7","1") = "7"
    & skf18("3","3","2","8","1","8","1") = "7"
    & skf18("3","3","2","8","1","9","1") = "8"
    & skf18("3","3","2","8","1","10","1") = "9"
    & skf18("3","3","2","8","2","1","1") = "7"
    & skf18("3","3","2","8","2","2","1") = "7"
    & skf18("3","3","2","8","2","3","1") = "7"
    & skf18("3","3","2","8","2","4","1") = "7"
    & skf18("3","3","2","8","2","5","1") = "7"
    & skf18("3","3","2","8","2","6","1") = "7"
    & skf18("3","3","2","8","2","7","1") = "7"
    & skf18("3","3","2","8","2","8","1") = "7"
    & skf18("3","3","2","8","2","9","1") = "8"
    & skf18("3","3","2","8","2","10","1") = "9"
    & skf18("3","3","2","8","3","1","1") = "7"
    & skf18("3","3","2","8","3","2","1") = "7"
    & skf18("3","3","2","8","3","3","1") = "7"
    & skf18("3","3","2","8","3","4","1") = "7"
    & skf18("3","3","2","8","3","5","1") = "7"
    & skf18("3","3","2","8","3","6","1") = "7"
    & skf18("3","3","2","8","3","7","1") = "7"
    & skf18("3","3","2","8","3","8","1") = "7"
    & skf18("3","3","2","8","3","9","1") = "8"
    & skf18("3","3","2","8","3","10","1") = "9"
    & skf18("3","3","2","8","4","1","1") = "7"
    & skf18("3","3","2","8","4","2","1") = "7"
    & skf18("3","3","2","8","4","3","1") = "7"
    & skf18("3","3","2","8","4","4","1") = "7"
    & skf18("3","3","2","8","4","5","1") = "7"
    & skf18("3","3","2","8","4","6","1") = "7"
    & skf18("3","3","2","8","4","7","1") = "7"
    & skf18("3","3","2","8","4","8","1") = "7"
    & skf18("3","3","2","8","4","9","1") = "8"
    & skf18("3","3","2","8","4","10","1") = "9"
    & skf18("3","3","2","8","5","1","1") = "7"
    & skf18("3","3","2","8","5","2","1") = "7"
    & skf18("3","3","2","8","5","3","1") = "7"
    & skf18("3","3","2","8","5","4","1") = "7"
    & skf18("3","3","2","8","5","5","1") = "7"
    & skf18("3","3","2","8","5","6","1") = "7"
    & skf18("3","3","2","8","5","7","1") = "7"
    & skf18("3","3","2","8","5","8","1") = "7"
    & skf18("3","3","2","8","5","9","1") = "8"
    & skf18("3","3","2","8","5","10","1") = "9"
    & skf18("3","3","2","8","6","1","1") = "7"
    & skf18("3","3","2","8","6","2","1") = "7"
    & skf18("3","3","2","8","6","3","1") = "7"
    & skf18("3","3","2","8","6","4","1") = "7"
    & skf18("3","3","2","8","6","5","1") = "7"
    & skf18("3","3","2","8","6","6","1") = "7"
    & skf18("3","3","2","8","6","7","1") = "7"
    & skf18("3","3","2","8","6","8","1") = "7"
    & skf18("3","3","2","8","6","9","1") = "8"
    & skf18("3","3","2","8","6","10","1") = "9"
    & skf18("3","3","2","8","7","1","1") = "7"
    & skf18("3","3","2","8","7","2","1") = "7"
    & skf18("3","3","2","8","7","3","1") = "7"
    & skf18("3","3","2","8","7","4","1") = "7"
    & skf18("3","3","2","8","7","5","1") = "7"
    & skf18("3","3","2","8","7","6","1") = "7"
    & skf18("3","3","2","8","7","7","1") = "7"
    & skf18("3","3","2","8","7","8","1") = "7"
    & skf18("3","3","2","8","7","9","1") = "8"
    & skf18("3","3","2","8","7","10","1") = "9"
    & skf18("3","3","2","8","8","1","1") = "7"
    & skf18("3","3","2","8","8","2","1") = "7"
    & skf18("3","3","2","8","8","3","1") = "7"
    & skf18("3","3","2","8","8","4","1") = "7"
    & skf18("3","3","2","8","8","5","1") = "7"
    & skf18("3","3","2","8","8","6","1") = "7"
    & skf18("3","3","2","8","8","7","1") = "7"
    & skf18("3","3","2","8","8","8","1") = "7"
    & skf18("3","3","2","8","8","9","1") = "8"
    & skf18("3","3","2","8","8","10","1") = "9"
    & skf18("3","3","2","8","9","1","1") = "8"
    & skf18("3","3","2","8","9","2","1") = "8"
    & skf18("3","3","2","8","9","3","1") = "8"
    & skf18("3","3","2","8","9","4","1") = "8"
    & skf18("3","3","2","8","9","5","1") = "8"
    & skf18("3","3","2","8","9","6","1") = "8"
    & skf18("3","3","2","8","9","7","1") = "8"
    & skf18("3","3","2","8","9","8","1") = "8"
    & skf18("3","3","2","8","9","9","1") = "8"
    & skf18("3","3","2","8","9","10","1") = "9"
    & skf18("3","3","2","8","10","1","1") = "9"
    & skf18("3","3","2","8","10","2","1") = "9"
    & skf18("3","3","2","8","10","3","1") = "9"
    & skf18("3","3","2","8","10","4","1") = "9"
    & skf18("3","3","2","8","10","5","1") = "9"
    & skf18("3","3","2","8","10","6","1") = "9"
    & skf18("3","3","2","8","10","7","1") = "9"
    & skf18("3","3","2","8","10","8","1") = "9"
    & skf18("3","3","2","8","10","9","1") = "9"
    & skf18("3","3","2","8","10","10","1") = "9"
    & skf18("3","3","2","9","1","1","1") = "8"
    & skf18("3","3","2","9","1","2","1") = "8"
    & skf18("3","3","2","9","1","3","1") = "8"
    & skf18("3","3","2","9","1","4","1") = "8"
    & skf18("3","3","2","9","1","5","1") = "8"
    & skf18("3","3","2","9","1","6","1") = "8"
    & skf18("3","3","2","9","1","7","1") = "8"
    & skf18("3","3","2","9","1","8","1") = "8"
    & skf18("3","3","2","9","1","9","1") = "8"
    & skf18("3","3","2","9","1","10","1") = "9"
    & skf18("3","3","2","9","2","1","1") = "8"
    & skf18("3","3","2","9","2","2","1") = "8"
    & skf18("3","3","2","9","2","3","1") = "8"
    & skf18("3","3","2","9","2","4","1") = "8"
    & skf18("3","3","2","9","2","5","1") = "8"
    & skf18("3","3","2","9","2","6","1") = "8"
    & skf18("3","3","2","9","2","7","1") = "8"
    & skf18("3","3","2","9","2","8","1") = "8"
    & skf18("3","3","2","9","2","9","1") = "8"
    & skf18("3","3","2","9","2","10","1") = "9"
    & skf18("3","3","2","9","3","1","1") = "8"
    & skf18("3","3","2","9","3","2","1") = "8"
    & skf18("3","3","2","9","3","3","1") = "8"
    & skf18("3","3","2","9","3","4","1") = "8"
    & skf18("3","3","2","9","3","5","1") = "8"
    & skf18("3","3","2","9","3","6","1") = "8"
    & skf18("3","3","2","9","3","7","1") = "8"
    & skf18("3","3","2","9","3","8","1") = "8"
    & skf18("3","3","2","9","3","9","1") = "8"
    & skf18("3","3","2","9","3","10","1") = "9"
    & skf18("3","3","2","9","4","1","1") = "8"
    & skf18("3","3","2","9","4","2","1") = "8"
    & skf18("3","3","2","9","4","3","1") = "8"
    & skf18("3","3","2","9","4","4","1") = "8"
    & skf18("3","3","2","9","4","5","1") = "8"
    & skf18("3","3","2","9","4","6","1") = "8"
    & skf18("3","3","2","9","4","7","1") = "8"
    & skf18("3","3","2","9","4","8","1") = "8"
    & skf18("3","3","2","9","4","9","1") = "8"
    & skf18("3","3","2","9","4","10","1") = "9"
    & skf18("3","3","2","9","5","1","1") = "8"
    & skf18("3","3","2","9","5","2","1") = "8"
    & skf18("3","3","2","9","5","3","1") = "8"
    & skf18("3","3","2","9","5","4","1") = "8"
    & skf18("3","3","2","9","5","5","1") = "8"
    & skf18("3","3","2","9","5","6","1") = "8"
    & skf18("3","3","2","9","5","7","1") = "8"
    & skf18("3","3","2","9","5","8","1") = "8"
    & skf18("3","3","2","9","5","9","1") = "8"
    & skf18("3","3","2","9","5","10","1") = "9"
    & skf18("3","3","2","9","6","1","1") = "8"
    & skf18("3","3","2","9","6","2","1") = "8"
    & skf18("3","3","2","9","6","3","1") = "8"
    & skf18("3","3","2","9","6","4","1") = "8"
    & skf18("3","3","2","9","6","5","1") = "8"
    & skf18("3","3","2","9","6","6","1") = "8"
    & skf18("3","3","2","9","6","7","1") = "8"
    & skf18("3","3","2","9","6","8","1") = "8"
    & skf18("3","3","2","9","6","9","1") = "8"
    & skf18("3","3","2","9","6","10","1") = "9"
    & skf18("3","3","2","9","7","1","1") = "8"
    & skf18("3","3","2","9","7","2","1") = "8"
    & skf18("3","3","2","9","7","3","1") = "8"
    & skf18("3","3","2","9","7","4","1") = "8"
    & skf18("3","3","2","9","7","5","1") = "8"
    & skf18("3","3","2","9","7","6","1") = "8"
    & skf18("3","3","2","9","7","7","1") = "8"
    & skf18("3","3","2","9","7","8","1") = "8"
    & skf18("3","3","2","9","7","9","1") = "8"
    & skf18("3","3","2","9","7","10","1") = "9"
    & skf18("3","3","2","9","8","1","1") = "8"
    & skf18("3","3","2","9","8","2","1") = "8"
    & skf18("3","3","2","9","8","3","1") = "8"
    & skf18("3","3","2","9","8","4","1") = "8"
    & skf18("3","3","2","9","8","5","1") = "8"
    & skf18("3","3","2","9","8","6","1") = "8"
    & skf18("3","3","2","9","8","7","1") = "8"
    & skf18("3","3","2","9","8","8","1") = "8"
    & skf18("3","3","2","9","8","9","1") = "8"
    & skf18("3","3","2","9","8","10","1") = "9"
    & skf18("3","3","2","9","9","1","1") = "8"
    & skf18("3","3","2","9","9","2","1") = "8"
    & skf18("3","3","2","9","9","3","1") = "8"
    & skf18("3","3","2","9","9","4","1") = "8"
    & skf18("3","3","2","9","9","5","1") = "8"
    & skf18("3","3","2","9","9","6","1") = "8"
    & skf18("3","3","2","9","9","7","1") = "8"
    & skf18("3","3","2","9","9","8","1") = "8"
    & skf18("3","3","2","9","9","9","1") = "8"
    & skf18("3","3","2","9","9","10","1") = "9"
    & skf18("3","3","2","9","10","1","1") = "9"
    & skf18("3","3","2","9","10","2","1") = "9"
    & skf18("3","3","2","9","10","3","1") = "9"
    & skf18("3","3","2","9","10","4","1") = "9"
    & skf18("3","3","2","9","10","5","1") = "9"
    & skf18("3","3","2","9","10","6","1") = "9"
    & skf18("3","3","2","9","10","7","1") = "9"
    & skf18("3","3","2","9","10","8","1") = "9"
    & skf18("3","3","2","9","10","9","1") = "9"
    & skf18("3","3","2","9","10","10","1") = "9"
    & skf18("3","3","2","10","1","1","1") = "9"
    & skf18("3","3","2","10","1","2","1") = "9"
    & skf18("3","3","2","10","1","3","1") = "9"
    & skf18("3","3","2","10","1","4","1") = "9"
    & skf18("3","3","2","10","1","5","1") = "9"
    & skf18("3","3","2","10","1","6","1") = "9"
    & skf18("3","3","2","10","1","7","1") = "9"
    & skf18("3","3","2","10","1","8","1") = "9"
    & skf18("3","3","2","10","1","9","1") = "9"
    & skf18("3","3","2","10","1","10","1") = "9"
    & skf18("3","3","2","10","2","1","1") = "9"
    & skf18("3","3","2","10","2","2","1") = "9"
    & skf18("3","3","2","10","2","3","1") = "9"
    & skf18("3","3","2","10","2","4","1") = "9"
    & skf18("3","3","2","10","2","5","1") = "9"
    & skf18("3","3","2","10","2","6","1") = "9"
    & skf18("3","3","2","10","2","7","1") = "9"
    & skf18("3","3","2","10","2","8","1") = "9"
    & skf18("3","3","2","10","2","9","1") = "9"
    & skf18("3","3","2","10","2","10","1") = "9"
    & skf18("3","3","2","10","3","1","1") = "9"
    & skf18("3","3","2","10","3","2","1") = "9"
    & skf18("3","3","2","10","3","3","1") = "9"
    & skf18("3","3","2","10","3","4","1") = "9"
    & skf18("3","3","2","10","3","5","1") = "9"
    & skf18("3","3","2","10","3","6","1") = "9"
    & skf18("3","3","2","10","3","7","1") = "9"
    & skf18("3","3","2","10","3","8","1") = "9"
    & skf18("3","3","2","10","3","9","1") = "9"
    & skf18("3","3","2","10","3","10","1") = "9"
    & skf18("3","3","2","10","4","1","1") = "9"
    & skf18("3","3","2","10","4","2","1") = "9"
    & skf18("3","3","2","10","4","3","1") = "9"
    & skf18("3","3","2","10","4","4","1") = "9"
    & skf18("3","3","2","10","4","5","1") = "9"
    & skf18("3","3","2","10","4","6","1") = "9"
    & skf18("3","3","2","10","4","7","1") = "9"
    & skf18("3","3","2","10","4","8","1") = "9"
    & skf18("3","3","2","10","4","9","1") = "9"
    & skf18("3","3","2","10","4","10","1") = "9"
    & skf18("3","3","2","10","5","1","1") = "9"
    & skf18("3","3","2","10","5","2","1") = "9"
    & skf18("3","3","2","10","5","3","1") = "9"
    & skf18("3","3","2","10","5","4","1") = "9"
    & skf18("3","3","2","10","5","5","1") = "9"
    & skf18("3","3","2","10","5","6","1") = "9"
    & skf18("3","3","2","10","5","7","1") = "9"
    & skf18("3","3","2","10","5","8","1") = "9"
    & skf18("3","3","2","10","5","9","1") = "9"
    & skf18("3","3","2","10","5","10","1") = "9"
    & skf18("3","3","2","10","6","1","1") = "9"
    & skf18("3","3","2","10","6","2","1") = "9"
    & skf18("3","3","2","10","6","3","1") = "9"
    & skf18("3","3","2","10","6","4","1") = "9"
    & skf18("3","3","2","10","6","5","1") = "9"
    & skf18("3","3","2","10","6","6","1") = "9"
    & skf18("3","3","2","10","6","7","1") = "9"
    & skf18("3","3","2","10","6","8","1") = "9"
    & skf18("3","3","2","10","6","9","1") = "9"
    & skf18("3","3","2","10","6","10","1") = "9"
    & skf18("3","3","2","10","7","1","1") = "9"
    & skf18("3","3","2","10","7","2","1") = "9"
    & skf18("3","3","2","10","7","3","1") = "9"
    & skf18("3","3","2","10","7","4","1") = "9"
    & skf18("3","3","2","10","7","5","1") = "9"
    & skf18("3","3","2","10","7","6","1") = "9"
    & skf18("3","3","2","10","7","7","1") = "9"
    & skf18("3","3","2","10","7","8","1") = "9"
    & skf18("3","3","2","10","7","9","1") = "9"
    & skf18("3","3","2","10","7","10","1") = "9"
    & skf18("3","3","2","10","8","1","1") = "9"
    & skf18("3","3","2","10","8","2","1") = "9"
    & skf18("3","3","2","10","8","3","1") = "9"
    & skf18("3","3","2","10","8","4","1") = "9"
    & skf18("3","3","2","10","8","5","1") = "9"
    & skf18("3","3","2","10","8","6","1") = "9"
    & skf18("3","3","2","10","8","7","1") = "9"
    & skf18("3","3","2","10","8","8","1") = "9"
    & skf18("3","3","2","10","8","9","1") = "9"
    & skf18("3","3","2","10","8","10","1") = "9"
    & skf18("3","3","2","10","9","1","1") = "9"
    & skf18("3","3","2","10","9","2","1") = "9"
    & skf18("3","3","2","10","9","3","1") = "9"
    & skf18("3","3","2","10","9","4","1") = "9"
    & skf18("3","3","2","10","9","5","1") = "9"
    & skf18("3","3","2","10","9","6","1") = "9"
    & skf18("3","3","2","10","9","7","1") = "9"
    & skf18("3","3","2","10","9","8","1") = "9"
    & skf18("3","3","2","10","9","9","1") = "9"
    & skf18("3","3","2","10","9","10","1") = "9"
    & skf18("3","3","2","10","10","1","1") = "9"
    & skf18("3","3","2","10","10","2","1") = "9"
    & skf18("3","3","2","10","10","3","1") = "9"
    & skf18("3","3","2","10","10","4","1") = "9"
    & skf18("3","3","2","10","10","5","1") = "9"
    & skf18("3","3","2","10","10","6","1") = "9"
    & skf18("3","3","2","10","10","7","1") = "9"
    & skf18("3","3","2","10","10","8","1") = "9"
    & skf18("3","3","2","10","10","9","1") = "9"
    & skf18("3","3","2","10","10","10","1") = "9"
    & skf18("3","3","3","1","1","1","1") = "2"
    & skf18("3","3","3","1","1","2","1") = "2"
    & skf18("3","3","3","1","1","3","1") = "2"
    & skf18("3","3","3","1","1","4","1") = "3"
    & skf18("3","3","3","1","1","5","1") = "4"
    & skf18("3","3","3","1","1","6","1") = "5"
    & skf18("3","3","3","1","1","7","1") = "6"
    & skf18("3","3","3","1","1","8","1") = "7"
    & skf18("3","3","3","1","1","9","1") = "8"
    & skf18("3","3","3","1","1","10","1") = "9"
    & skf18("3","3","3","1","2","1","1") = "2"
    & skf18("3","3","3","1","2","2","1") = "2"
    & skf18("3","3","3","1","2","3","1") = "2"
    & skf18("3","3","3","1","2","4","1") = "3"
    & skf18("3","3","3","1","2","5","1") = "4"
    & skf18("3","3","3","1","2","6","1") = "5"
    & skf18("3","3","3","1","2","7","1") = "6"
    & skf18("3","3","3","1","2","8","1") = "7"
    & skf18("3","3","3","1","2","9","1") = "8"
    & skf18("3","3","3","1","2","10","1") = "9"
    & skf18("3","3","3","1","3","1","1") = "2"
    & skf18("3","3","3","1","3","2","1") = "2"
    & skf18("3","3","3","1","3","3","1") = "2"
    & skf18("3","3","3","1","3","4","1") = "3"
    & skf18("3","3","3","1","3","5","1") = "4"
    & skf18("3","3","3","1","3","6","1") = "5"
    & skf18("3","3","3","1","3","7","1") = "6"
    & skf18("3","3","3","1","3","8","1") = "7"
    & skf18("3","3","3","1","3","9","1") = "8"
    & skf18("3","3","3","1","3","10","1") = "9"
    & skf18("3","3","3","1","4","1","1") = "3"
    & skf18("3","3","3","1","4","2","1") = "3"
    & skf18("3","3","3","1","4","3","1") = "3"
    & skf18("3","3","3","1","4","4","1") = "3"
    & skf18("3","3","3","1","4","5","1") = "4"
    & skf18("3","3","3","1","4","6","1") = "5"
    & skf18("3","3","3","1","4","7","1") = "6"
    & skf18("3","3","3","1","4","8","1") = "7"
    & skf18("3","3","3","1","4","9","1") = "8"
    & skf18("3","3","3","1","4","10","1") = "9"
    & skf18("3","3","3","1","5","1","1") = "4"
    & skf18("3","3","3","1","5","2","1") = "4"
    & skf18("3","3","3","1","5","3","1") = "4"
    & skf18("3","3","3","1","5","4","1") = "4"
    & skf18("3","3","3","1","5","5","1") = "4"
    & skf18("3","3","3","1","5","6","1") = "5"
    & skf18("3","3","3","1","5","7","1") = "6"
    & skf18("3","3","3","1","5","8","1") = "7"
    & skf18("3","3","3","1","5","9","1") = "8"
    & skf18("3","3","3","1","5","10","1") = "9"
    & skf18("3","3","3","1","6","1","1") = "5"
    & skf18("3","3","3","1","6","2","1") = "5"
    & skf18("3","3","3","1","6","3","1") = "5"
    & skf18("3","3","3","1","6","4","1") = "5"
    & skf18("3","3","3","1","6","5","1") = "5"
    & skf18("3","3","3","1","6","6","1") = "5"
    & skf18("3","3","3","1","6","7","1") = "6"
    & skf18("3","3","3","1","6","8","1") = "7"
    & skf18("3","3","3","1","6","9","1") = "8"
    & skf18("3","3","3","1","6","10","1") = "9"
    & skf18("3","3","3","1","7","1","1") = "6"
    & skf18("3","3","3","1","7","2","1") = "6"
    & skf18("3","3","3","1","7","3","1") = "6"
    & skf18("3","3","3","1","7","4","1") = "6"
    & skf18("3","3","3","1","7","5","1") = "6"
    & skf18("3","3","3","1","7","6","1") = "6"
    & skf18("3","3","3","1","7","7","1") = "6"
    & skf18("3","3","3","1","7","8","1") = "7"
    & skf18("3","3","3","1","7","9","1") = "8"
    & skf18("3","3","3","1","7","10","1") = "9"
    & skf18("3","3","3","1","8","1","1") = "7"
    & skf18("3","3","3","1","8","2","1") = "7"
    & skf18("3","3","3","1","8","3","1") = "7"
    & skf18("3","3","3","1","8","4","1") = "7"
    & skf18("3","3","3","1","8","5","1") = "7"
    & skf18("3","3","3","1","8","6","1") = "7"
    & skf18("3","3","3","1","8","7","1") = "7"
    & skf18("3","3","3","1","8","8","1") = "7"
    & skf18("3","3","3","1","8","9","1") = "8"
    & skf18("3","3","3","1","8","10","1") = "9"
    & skf18("3","3","3","1","9","1","1") = "8"
    & skf18("3","3","3","1","9","2","1") = "8"
    & skf18("3","3","3","1","9","3","1") = "8"
    & skf18("3","3","3","1","9","4","1") = "8"
    & skf18("3","3","3","1","9","5","1") = "8"
    & skf18("3","3","3","1","9","6","1") = "8"
    & skf18("3","3","3","1","9","7","1") = "8"
    & skf18("3","3","3","1","9","8","1") = "8"
    & skf18("3","3","3","1","9","9","1") = "8"
    & skf18("3","3","3","1","9","10","1") = "9"
    & skf18("3","3","3","1","10","1","1") = "9"
    & skf18("3","3","3","1","10","2","1") = "9"
    & skf18("3","3","3","1","10","3","1") = "9"
    & skf18("3","3","3","1","10","4","1") = "9"
    & skf18("3","3","3","1","10","5","1") = "9"
    & skf18("3","3","3","1","10","6","1") = "9"
    & skf18("3","3","3","1","10","7","1") = "9"
    & skf18("3","3","3","1","10","8","1") = "9"
    & skf18("3","3","3","1","10","9","1") = "9"
    & skf18("3","3","3","1","10","10","1") = "9"
    & skf18("3","3","3","2","1","1","1") = "2"
    & skf18("3","3","3","2","1","2","1") = "2"
    & skf18("3","3","3","2","1","3","1") = "2"
    & skf18("3","3","3","2","1","4","1") = "3"
    & skf18("3","3","3","2","1","5","1") = "4"
    & skf18("3","3","3","2","1","6","1") = "5"
    & skf18("3","3","3","2","1","7","1") = "6"
    & skf18("3","3","3","2","1","8","1") = "7"
    & skf18("3","3","3","2","1","9","1") = "8"
    & skf18("3","3","3","2","1","10","1") = "9"
    & skf18("3","3","3","2","2","1","1") = "2"
    & skf18("3","3","3","2","2","2","1") = "2"
    & skf18("3","3","3","2","2","3","1") = "2"
    & skf18("3","3","3","2","2","4","1") = "3"
    & skf18("3","3","3","2","2","5","1") = "4"
    & skf18("3","3","3","2","2","6","1") = "5"
    & skf18("3","3","3","2","2","7","1") = "6"
    & skf18("3","3","3","2","2","8","1") = "7"
    & skf18("3","3","3","2","2","9","1") = "8"
    & skf18("3","3","3","2","2","10","1") = "9"
    & skf18("3","3","3","2","3","1","1") = "2"
    & skf18("3","3","3","2","3","2","1") = "2"
    & skf18("3","3","3","2","3","3","1") = "2"
    & skf18("3","3","3","2","3","4","1") = "3"
    & skf18("3","3","3","2","3","5","1") = "4"
    & skf18("3","3","3","2","3","6","1") = "5"
    & skf18("3","3","3","2","3","7","1") = "6"
    & skf18("3","3","3","2","3","8","1") = "7"
    & skf18("3","3","3","2","3","9","1") = "8"
    & skf18("3","3","3","2","3","10","1") = "9"
    & skf18("3","3","3","2","4","1","1") = "3"
    & skf18("3","3","3","2","4","2","1") = "3"
    & skf18("3","3","3","2","4","3","1") = "3"
    & skf18("3","3","3","2","4","4","1") = "3"
    & skf18("3","3","3","2","4","5","1") = "4"
    & skf18("3","3","3","2","4","6","1") = "5"
    & skf18("3","3","3","2","4","7","1") = "6"
    & skf18("3","3","3","2","4","8","1") = "7"
    & skf18("3","3","3","2","4","9","1") = "8"
    & skf18("3","3","3","2","4","10","1") = "9"
    & skf18("3","3","3","2","5","1","1") = "4"
    & skf18("3","3","3","2","5","2","1") = "4"
    & skf18("3","3","3","2","5","3","1") = "4"
    & skf18("3","3","3","2","5","4","1") = "4"
    & skf18("3","3","3","2","5","5","1") = "4"
    & skf18("3","3","3","2","5","6","1") = "5"
    & skf18("3","3","3","2","5","7","1") = "6"
    & skf18("3","3","3","2","5","8","1") = "7"
    & skf18("3","3","3","2","5","9","1") = "8"
    & skf18("3","3","3","2","5","10","1") = "9"
    & skf18("3","3","3","2","6","1","1") = "5"
    & skf18("3","3","3","2","6","2","1") = "5"
    & skf18("3","3","3","2","6","3","1") = "5"
    & skf18("3","3","3","2","6","4","1") = "5"
    & skf18("3","3","3","2","6","5","1") = "5"
    & skf18("3","3","3","2","6","6","1") = "5"
    & skf18("3","3","3","2","6","7","1") = "6"
    & skf18("3","3","3","2","6","8","1") = "7"
    & skf18("3","3","3","2","6","9","1") = "8"
    & skf18("3","3","3","2","6","10","1") = "9"
    & skf18("3","3","3","2","7","1","1") = "6"
    & skf18("3","3","3","2","7","2","1") = "6"
    & skf18("3","3","3","2","7","3","1") = "6"
    & skf18("3","3","3","2","7","4","1") = "6"
    & skf18("3","3","3","2","7","5","1") = "6"
    & skf18("3","3","3","2","7","6","1") = "6"
    & skf18("3","3","3","2","7","7","1") = "6"
    & skf18("3","3","3","2","7","8","1") = "7"
    & skf18("3","3","3","2","7","9","1") = "8"
    & skf18("3","3","3","2","7","10","1") = "9"
    & skf18("3","3","3","2","8","1","1") = "7"
    & skf18("3","3","3","2","8","2","1") = "7"
    & skf18("3","3","3","2","8","3","1") = "7"
    & skf18("3","3","3","2","8","4","1") = "7"
    & skf18("3","3","3","2","8","5","1") = "7"
    & skf18("3","3","3","2","8","6","1") = "7"
    & skf18("3","3","3","2","8","7","1") = "7"
    & skf18("3","3","3","2","8","8","1") = "7"
    & skf18("3","3","3","2","8","9","1") = "8"
    & skf18("3","3","3","2","8","10","1") = "9"
    & skf18("3","3","3","2","9","1","1") = "8"
    & skf18("3","3","3","2","9","2","1") = "8"
    & skf18("3","3","3","2","9","3","1") = "8"
    & skf18("3","3","3","2","9","4","1") = "8"
    & skf18("3","3","3","2","9","5","1") = "8"
    & skf18("3","3","3","2","9","6","1") = "8"
    & skf18("3","3","3","2","9","7","1") = "8"
    & skf18("3","3","3","2","9","8","1") = "8"
    & skf18("3","3","3","2","9","9","1") = "8"
    & skf18("3","3","3","2","9","10","1") = "9"
    & skf18("3","3","3","2","10","1","1") = "9"
    & skf18("3","3","3","2","10","2","1") = "9"
    & skf18("3","3","3","2","10","3","1") = "9"
    & skf18("3","3","3","2","10","4","1") = "9"
    & skf18("3","3","3","2","10","5","1") = "9"
    & skf18("3","3","3","2","10","6","1") = "9"
    & skf18("3","3","3","2","10","7","1") = "9"
    & skf18("3","3","3","2","10","8","1") = "9"
    & skf18("3","3","3","2","10","9","1") = "9"
    & skf18("3","3","3","2","10","10","1") = "9"
    & skf18("3","3","3","3","1","1","1") = "2"
    & skf18("3","3","3","3","1","2","1") = "2"
    & skf18("3","3","3","3","1","3","1") = "2"
    & skf18("3","3","3","3","1","4","1") = "3"
    & skf18("3","3","3","3","1","5","1") = "4"
    & skf18("3","3","3","3","1","6","1") = "5"
    & skf18("3","3","3","3","1","7","1") = "6"
    & skf18("3","3","3","3","1","8","1") = "7"
    & skf18("3","3","3","3","1","9","1") = "8"
    & skf18("3","3","3","3","1","10","1") = "9"
    & skf18("3","3","3","3","2","1","1") = "2"
    & skf18("3","3","3","3","2","2","1") = "2"
    & skf18("3","3","3","3","2","3","1") = "2"
    & skf18("3","3","3","3","2","4","1") = "3"
    & skf18("3","3","3","3","2","5","1") = "4"
    & skf18("3","3","3","3","2","6","1") = "5"
    & skf18("3","3","3","3","2","7","1") = "6"
    & skf18("3","3","3","3","2","8","1") = "7"
    & skf18("3","3","3","3","2","9","1") = "8"
    & skf18("3","3","3","3","2","10","1") = "9"
    & skf18("3","3","3","3","3","1","1") = "2"
    & skf18("3","3","3","3","3","2","1") = "2"
    & skf18("3","3","3","3","3","3","1") = "2"
    & skf18("3","3","3","3","3","4","1") = "3"
    & skf18("3","3","3","3","3","5","1") = "4"
    & skf18("3","3","3","3","3","6","1") = "5"
    & skf18("3","3","3","3","3","7","1") = "6"
    & skf18("3","3","3","3","3","8","1") = "7"
    & skf18("3","3","3","3","3","9","1") = "8"
    & skf18("3","3","3","3","3","10","1") = "9"
    & skf18("3","3","3","3","4","1","1") = "3"
    & skf18("3","3","3","3","4","2","1") = "3"
    & skf18("3","3","3","3","4","3","1") = "3"
    & skf18("3","3","3","3","4","4","1") = "3"
    & skf18("3","3","3","3","4","5","1") = "4"
    & skf18("3","3","3","3","4","6","1") = "5"
    & skf18("3","3","3","3","4","7","1") = "6"
    & skf18("3","3","3","3","4","8","1") = "7"
    & skf18("3","3","3","3","4","9","1") = "8"
    & skf18("3","3","3","3","4","10","1") = "9"
    & skf18("3","3","3","3","5","1","1") = "4"
    & skf18("3","3","3","3","5","2","1") = "4"
    & skf18("3","3","3","3","5","3","1") = "4"
    & skf18("3","3","3","3","5","4","1") = "4"
    & skf18("3","3","3","3","5","5","1") = "4"
    & skf18("3","3","3","3","5","6","1") = "5"
    & skf18("3","3","3","3","5","7","1") = "6"
    & skf18("3","3","3","3","5","8","1") = "7"
    & skf18("3","3","3","3","5","9","1") = "8"
    & skf18("3","3","3","3","5","10","1") = "9"
    & skf18("3","3","3","3","6","1","1") = "5"
    & skf18("3","3","3","3","6","2","1") = "5"
    & skf18("3","3","3","3","6","3","1") = "5"
    & skf18("3","3","3","3","6","4","1") = "5"
    & skf18("3","3","3","3","6","5","1") = "5"
    & skf18("3","3","3","3","6","6","1") = "5"
    & skf18("3","3","3","3","6","7","1") = "6"
    & skf18("3","3","3","3","6","8","1") = "7"
    & skf18("3","3","3","3","6","9","1") = "8"
    & skf18("3","3","3","3","6","10","1") = "9"
    & skf18("3","3","3","3","7","1","1") = "6"
    & skf18("3","3","3","3","7","2","1") = "6"
    & skf18("3","3","3","3","7","3","1") = "6"
    & skf18("3","3","3","3","7","4","1") = "6"
    & skf18("3","3","3","3","7","5","1") = "6"
    & skf18("3","3","3","3","7","6","1") = "6"
    & skf18("3","3","3","3","7","7","1") = "6"
    & skf18("3","3","3","3","7","8","1") = "7"
    & skf18("3","3","3","3","7","9","1") = "8"
    & skf18("3","3","3","3","7","10","1") = "9"
    & skf18("3","3","3","3","8","1","1") = "7"
    & skf18("3","3","3","3","8","2","1") = "7"
    & skf18("3","3","3","3","8","3","1") = "7"
    & skf18("3","3","3","3","8","4","1") = "7"
    & skf18("3","3","3","3","8","5","1") = "7"
    & skf18("3","3","3","3","8","6","1") = "7"
    & skf18("3","3","3","3","8","7","1") = "7"
    & skf18("3","3","3","3","8","8","1") = "7"
    & skf18("3","3","3","3","8","9","1") = "8"
    & skf18("3","3","3","3","8","10","1") = "9"
    & skf18("3","3","3","3","9","1","1") = "8"
    & skf18("3","3","3","3","9","2","1") = "8"
    & skf18("3","3","3","3","9","3","1") = "8"
    & skf18("3","3","3","3","9","4","1") = "8"
    & skf18("3","3","3","3","9","5","1") = "8"
    & skf18("3","3","3","3","9","6","1") = "8"
    & skf18("3","3","3","3","9","7","1") = "8"
    & skf18("3","3","3","3","9","8","1") = "8"
    & skf18("3","3","3","3","9","9","1") = "8"
    & skf18("3","3","3","3","9","10","1") = "9"
    & skf18("3","3","3","3","10","1","1") = "9"
    & skf18("3","3","3","3","10","2","1") = "9"
    & skf18("3","3","3","3","10","3","1") = "9"
    & skf18("3","3","3","3","10","4","1") = "9"
    & skf18("3","3","3","3","10","5","1") = "9"
    & skf18("3","3","3","3","10","6","1") = "9"
    & skf18("3","3","3","3","10","7","1") = "9"
    & skf18("3","3","3","3","10","8","1") = "9"
    & skf18("3","3","3","3","10","9","1") = "9"
    & skf18("3","3","3","3","10","10","1") = "9"
    & skf18("3","3","3","4","1","1","1") = "3"
    & skf18("3","3","3","4","1","2","1") = "3"
    & skf18("3","3","3","4","1","3","1") = "3"
    & skf18("3","3","3","4","1","4","1") = "3"
    & skf18("3","3","3","4","1","5","1") = "4"
    & skf18("3","3","3","4","1","6","1") = "5"
    & skf18("3","3","3","4","1","7","1") = "6"
    & skf18("3","3","3","4","1","8","1") = "7"
    & skf18("3","3","3","4","1","9","1") = "8"
    & skf18("3","3","3","4","1","10","1") = "9"
    & skf18("3","3","3","4","2","1","1") = "3"
    & skf18("3","3","3","4","2","2","1") = "3"
    & skf18("3","3","3","4","2","3","1") = "3"
    & skf18("3","3","3","4","2","4","1") = "3"
    & skf18("3","3","3","4","2","5","1") = "4"
    & skf18("3","3","3","4","2","6","1") = "5"
    & skf18("3","3","3","4","2","7","1") = "6"
    & skf18("3","3","3","4","2","8","1") = "7"
    & skf18("3","3","3","4","2","9","1") = "8"
    & skf18("3","3","3","4","2","10","1") = "9"
    & skf18("3","3","3","4","3","1","1") = "3"
    & skf18("3","3","3","4","3","2","1") = "3"
    & skf18("3","3","3","4","3","3","1") = "3"
    & skf18("3","3","3","4","3","4","1") = "3"
    & skf18("3","3","3","4","3","5","1") = "4"
    & skf18("3","3","3","4","3","6","1") = "5"
    & skf18("3","3","3","4","3","7","1") = "6"
    & skf18("3","3","3","4","3","8","1") = "7"
    & skf18("3","3","3","4","3","9","1") = "8"
    & skf18("3","3","3","4","3","10","1") = "9"
    & skf18("3","3","3","4","4","1","1") = "3"
    & skf18("3","3","3","4","4","2","1") = "3"
    & skf18("3","3","3","4","4","3","1") = "3"
    & skf18("3","3","3","4","4","4","1") = "3"
    & skf18("3","3","3","4","4","5","1") = "4"
    & skf18("3","3","3","4","4","6","1") = "5"
    & skf18("3","3","3","4","4","7","1") = "6"
    & skf18("3","3","3","4","4","8","1") = "7"
    & skf18("3","3","3","4","4","9","1") = "8"
    & skf18("3","3","3","4","4","10","1") = "9"
    & skf18("3","3","3","4","5","1","1") = "4"
    & skf18("3","3","3","4","5","2","1") = "4"
    & skf18("3","3","3","4","5","3","1") = "4"
    & skf18("3","3","3","4","5","4","1") = "4"
    & skf18("3","3","3","4","5","5","1") = "4"
    & skf18("3","3","3","4","5","6","1") = "5"
    & skf18("3","3","3","4","5","7","1") = "6"
    & skf18("3","3","3","4","5","8","1") = "7"
    & skf18("3","3","3","4","5","9","1") = "8"
    & skf18("3","3","3","4","5","10","1") = "9"
    & skf18("3","3","3","4","6","1","1") = "5"
    & skf18("3","3","3","4","6","2","1") = "5"
    & skf18("3","3","3","4","6","3","1") = "5"
    & skf18("3","3","3","4","6","4","1") = "5"
    & skf18("3","3","3","4","6","5","1") = "5"
    & skf18("3","3","3","4","6","6","1") = "5"
    & skf18("3","3","3","4","6","7","1") = "6"
    & skf18("3","3","3","4","6","8","1") = "7"
    & skf18("3","3","3","4","6","9","1") = "8"
    & skf18("3","3","3","4","6","10","1") = "9"
    & skf18("3","3","3","4","7","1","1") = "6"
    & skf18("3","3","3","4","7","2","1") = "6"
    & skf18("3","3","3","4","7","3","1") = "6"
    & skf18("3","3","3","4","7","4","1") = "6"
    & skf18("3","3","3","4","7","5","1") = "6"
    & skf18("3","3","3","4","7","6","1") = "6"
    & skf18("3","3","3","4","7","7","1") = "6"
    & skf18("3","3","3","4","7","8","1") = "7"
    & skf18("3","3","3","4","7","9","1") = "8"
    & skf18("3","3","3","4","7","10","1") = "9"
    & skf18("3","3","3","4","8","1","1") = "7"
    & skf18("3","3","3","4","8","2","1") = "7"
    & skf18("3","3","3","4","8","3","1") = "7"
    & skf18("3","3","3","4","8","4","1") = "7"
    & skf18("3","3","3","4","8","5","1") = "7"
    & skf18("3","3","3","4","8","6","1") = "7"
    & skf18("3","3","3","4","8","7","1") = "7"
    & skf18("3","3","3","4","8","8","1") = "7"
    & skf18("3","3","3","4","8","9","1") = "8"
    & skf18("3","3","3","4","8","10","1") = "9"
    & skf18("3","3","3","4","9","1","1") = "8"
    & skf18("3","3","3","4","9","2","1") = "8"
    & skf18("3","3","3","4","9","3","1") = "8"
    & skf18("3","3","3","4","9","4","1") = "8"
    & skf18("3","3","3","4","9","5","1") = "8"
    & skf18("3","3","3","4","9","6","1") = "8"
    & skf18("3","3","3","4","9","7","1") = "8"
    & skf18("3","3","3","4","9","8","1") = "8"
    & skf18("3","3","3","4","9","9","1") = "8"
    & skf18("3","3","3","4","9","10","1") = "9"
    & skf18("3","3","3","4","10","1","1") = "9"
    & skf18("3","3","3","4","10","2","1") = "9"
    & skf18("3","3","3","4","10","3","1") = "9"
    & skf18("3","3","3","4","10","4","1") = "9"
    & skf18("3","3","3","4","10","5","1") = "9"
    & skf18("3","3","3","4","10","6","1") = "9"
    & skf18("3","3","3","4","10","7","1") = "9"
    & skf18("3","3","3","4","10","8","1") = "9"
    & skf18("3","3","3","4","10","9","1") = "9"
    & skf18("3","3","3","4","10","10","1") = "9"
    & skf18("3","3","3","5","1","1","1") = "4"
    & skf18("3","3","3","5","1","2","1") = "4"
    & skf18("3","3","3","5","1","3","1") = "4"
    & skf18("3","3","3","5","1","4","1") = "4"
    & skf18("3","3","3","5","1","5","1") = "4"
    & skf18("3","3","3","5","1","6","1") = "5"
    & skf18("3","3","3","5","1","7","1") = "6"
    & skf18("3","3","3","5","1","8","1") = "7"
    & skf18("3","3","3","5","1","9","1") = "8"
    & skf18("3","3","3","5","1","10","1") = "9"
    & skf18("3","3","3","5","2","1","1") = "4"
    & skf18("3","3","3","5","2","2","1") = "4"
    & skf18("3","3","3","5","2","3","1") = "4"
    & skf18("3","3","3","5","2","4","1") = "4"
    & skf18("3","3","3","5","2","5","1") = "4"
    & skf18("3","3","3","5","2","6","1") = "5"
    & skf18("3","3","3","5","2","7","1") = "6"
    & skf18("3","3","3","5","2","8","1") = "7"
    & skf18("3","3","3","5","2","9","1") = "8"
    & skf18("3","3","3","5","2","10","1") = "9"
    & skf18("3","3","3","5","3","1","1") = "4"
    & skf18("3","3","3","5","3","2","1") = "4"
    & skf18("3","3","3","5","3","3","1") = "4"
    & skf18("3","3","3","5","3","4","1") = "4"
    & skf18("3","3","3","5","3","5","1") = "4"
    & skf18("3","3","3","5","3","6","1") = "5"
    & skf18("3","3","3","5","3","7","1") = "6"
    & skf18("3","3","3","5","3","8","1") = "7"
    & skf18("3","3","3","5","3","9","1") = "8"
    & skf18("3","3","3","5","3","10","1") = "9"
    & skf18("3","3","3","5","4","1","1") = "4"
    & skf18("3","3","3","5","4","2","1") = "4"
    & skf18("3","3","3","5","4","3","1") = "4"
    & skf18("3","3","3","5","4","4","1") = "4"
    & skf18("3","3","3","5","4","5","1") = "4"
    & skf18("3","3","3","5","4","6","1") = "5"
    & skf18("3","3","3","5","4","7","1") = "6"
    & skf18("3","3","3","5","4","8","1") = "7"
    & skf18("3","3","3","5","4","9","1") = "8"
    & skf18("3","3","3","5","4","10","1") = "9"
    & skf18("3","3","3","5","5","1","1") = "4"
    & skf18("3","3","3","5","5","2","1") = "4"
    & skf18("3","3","3","5","5","3","1") = "4"
    & skf18("3","3","3","5","5","4","1") = "4"
    & skf18("3","3","3","5","5","5","1") = "4"
    & skf18("3","3","3","5","5","6","1") = "5"
    & skf18("3","3","3","5","5","7","1") = "6"
    & skf18("3","3","3","5","5","8","1") = "7"
    & skf18("3","3","3","5","5","9","1") = "8"
    & skf18("3","3","3","5","5","10","1") = "9"
    & skf18("3","3","3","5","6","1","1") = "5"
    & skf18("3","3","3","5","6","2","1") = "5"
    & skf18("3","3","3","5","6","3","1") = "5"
    & skf18("3","3","3","5","6","4","1") = "5"
    & skf18("3","3","3","5","6","5","1") = "5"
    & skf18("3","3","3","5","6","6","1") = "5"
    & skf18("3","3","3","5","6","7","1") = "6"
    & skf18("3","3","3","5","6","8","1") = "7"
    & skf18("3","3","3","5","6","9","1") = "8"
    & skf18("3","3","3","5","6","10","1") = "9"
    & skf18("3","3","3","5","7","1","1") = "6"
    & skf18("3","3","3","5","7","2","1") = "6"
    & skf18("3","3","3","5","7","3","1") = "6"
    & skf18("3","3","3","5","7","4","1") = "6"
    & skf18("3","3","3","5","7","5","1") = "6"
    & skf18("3","3","3","5","7","6","1") = "6"
    & skf18("3","3","3","5","7","7","1") = "6"
    & skf18("3","3","3","5","7","8","1") = "7"
    & skf18("3","3","3","5","7","9","1") = "8"
    & skf18("3","3","3","5","7","10","1") = "9"
    & skf18("3","3","3","5","8","1","1") = "7"
    & skf18("3","3","3","5","8","2","1") = "7"
    & skf18("3","3","3","5","8","3","1") = "7"
    & skf18("3","3","3","5","8","4","1") = "7"
    & skf18("3","3","3","5","8","5","1") = "7"
    & skf18("3","3","3","5","8","6","1") = "7"
    & skf18("3","3","3","5","8","7","1") = "7"
    & skf18("3","3","3","5","8","8","1") = "7"
    & skf18("3","3","3","5","8","9","1") = "8"
    & skf18("3","3","3","5","8","10","1") = "9"
    & skf18("3","3","3","5","9","1","1") = "8"
    & skf18("3","3","3","5","9","2","1") = "8"
    & skf18("3","3","3","5","9","3","1") = "8"
    & skf18("3","3","3","5","9","4","1") = "8"
    & skf18("3","3","3","5","9","5","1") = "8"
    & skf18("3","3","3","5","9","6","1") = "8"
    & skf18("3","3","3","5","9","7","1") = "8"
    & skf18("3","3","3","5","9","8","1") = "8"
    & skf18("3","3","3","5","9","9","1") = "8"
    & skf18("3","3","3","5","9","10","1") = "9"
    & skf18("3","3","3","5","10","1","1") = "9"
    & skf18("3","3","3","5","10","2","1") = "9"
    & skf18("3","3","3","5","10","3","1") = "9"
    & skf18("3","3","3","5","10","4","1") = "9"
    & skf18("3","3","3","5","10","5","1") = "9"
    & skf18("3","3","3","5","10","6","1") = "9"
    & skf18("3","3","3","5","10","7","1") = "9"
    & skf18("3","3","3","5","10","8","1") = "9"
    & skf18("3","3","3","5","10","9","1") = "9"
    & skf18("3","3","3","5","10","10","1") = "9"
    & skf18("3","3","3","6","1","1","1") = "5"
    & skf18("3","3","3","6","1","2","1") = "5"
    & skf18("3","3","3","6","1","3","1") = "5"
    & skf18("3","3","3","6","1","4","1") = "5"
    & skf18("3","3","3","6","1","5","1") = "5"
    & skf18("3","3","3","6","1","6","1") = "5"
    & skf18("3","3","3","6","1","7","1") = "6"
    & skf18("3","3","3","6","1","8","1") = "7"
    & skf18("3","3","3","6","1","9","1") = "8"
    & skf18("3","3","3","6","1","10","1") = "9"
    & skf18("3","3","3","6","2","1","1") = "5"
    & skf18("3","3","3","6","2","2","1") = "5"
    & skf18("3","3","3","6","2","3","1") = "5"
    & skf18("3","3","3","6","2","4","1") = "5"
    & skf18("3","3","3","6","2","5","1") = "5"
    & skf18("3","3","3","6","2","6","1") = "5"
    & skf18("3","3","3","6","2","7","1") = "6"
    & skf18("3","3","3","6","2","8","1") = "7"
    & skf18("3","3","3","6","2","9","1") = "8"
    & skf18("3","3","3","6","2","10","1") = "9"
    & skf18("3","3","3","6","3","1","1") = "5"
    & skf18("3","3","3","6","3","2","1") = "5"
    & skf18("3","3","3","6","3","3","1") = "5"
    & skf18("3","3","3","6","3","4","1") = "5"
    & skf18("3","3","3","6","3","5","1") = "5"
    & skf18("3","3","3","6","3","6","1") = "5"
    & skf18("3","3","3","6","3","7","1") = "6"
    & skf18("3","3","3","6","3","8","1") = "7"
    & skf18("3","3","3","6","3","9","1") = "8"
    & skf18("3","3","3","6","3","10","1") = "9"
    & skf18("3","3","3","6","4","1","1") = "5"
    & skf18("3","3","3","6","4","2","1") = "5"
    & skf18("3","3","3","6","4","3","1") = "5"
    & skf18("3","3","3","6","4","4","1") = "5"
    & skf18("3","3","3","6","4","5","1") = "5"
    & skf18("3","3","3","6","4","6","1") = "5"
    & skf18("3","3","3","6","4","7","1") = "6"
    & skf18("3","3","3","6","4","8","1") = "7"
    & skf18("3","3","3","6","4","9","1") = "8"
    & skf18("3","3","3","6","4","10","1") = "9"
    & skf18("3","3","3","6","5","1","1") = "5"
    & skf18("3","3","3","6","5","2","1") = "5"
    & skf18("3","3","3","6","5","3","1") = "5"
    & skf18("3","3","3","6","5","4","1") = "5"
    & skf18("3","3","3","6","5","5","1") = "5"
    & skf18("3","3","3","6","5","6","1") = "5"
    & skf18("3","3","3","6","5","7","1") = "6"
    & skf18("3","3","3","6","5","8","1") = "7"
    & skf18("3","3","3","6","5","9","1") = "8"
    & skf18("3","3","3","6","5","10","1") = "9"
    & skf18("3","3","3","6","6","1","1") = "5"
    & skf18("3","3","3","6","6","2","1") = "5"
    & skf18("3","3","3","6","6","3","1") = "5"
    & skf18("3","3","3","6","6","4","1") = "5"
    & skf18("3","3","3","6","6","5","1") = "5"
    & skf18("3","3","3","6","6","6","1") = "5"
    & skf18("3","3","3","6","6","7","1") = "6"
    & skf18("3","3","3","6","6","8","1") = "7"
    & skf18("3","3","3","6","6","9","1") = "8"
    & skf18("3","3","3","6","6","10","1") = "9"
    & skf18("3","3","3","6","7","1","1") = "6"
    & skf18("3","3","3","6","7","2","1") = "6"
    & skf18("3","3","3","6","7","3","1") = "6"
    & skf18("3","3","3","6","7","4","1") = "6"
    & skf18("3","3","3","6","7","5","1") = "6"
    & skf18("3","3","3","6","7","6","1") = "6"
    & skf18("3","3","3","6","7","7","1") = "6"
    & skf18("3","3","3","6","7","8","1") = "7"
    & skf18("3","3","3","6","7","9","1") = "8"
    & skf18("3","3","3","6","7","10","1") = "9"
    & skf18("3","3","3","6","8","1","1") = "7"
    & skf18("3","3","3","6","8","2","1") = "7"
    & skf18("3","3","3","6","8","3","1") = "7"
    & skf18("3","3","3","6","8","4","1") = "7"
    & skf18("3","3","3","6","8","5","1") = "7"
    & skf18("3","3","3","6","8","6","1") = "7"
    & skf18("3","3","3","6","8","7","1") = "7"
    & skf18("3","3","3","6","8","8","1") = "7"
    & skf18("3","3","3","6","8","9","1") = "8"
    & skf18("3","3","3","6","8","10","1") = "9"
    & skf18("3","3","3","6","9","1","1") = "8"
    & skf18("3","3","3","6","9","2","1") = "8"
    & skf18("3","3","3","6","9","3","1") = "8"
    & skf18("3","3","3","6","9","4","1") = "8"
    & skf18("3","3","3","6","9","5","1") = "8"
    & skf18("3","3","3","6","9","6","1") = "8"
    & skf18("3","3","3","6","9","7","1") = "8"
    & skf18("3","3","3","6","9","8","1") = "8"
    & skf18("3","3","3","6","9","9","1") = "8"
    & skf18("3","3","3","6","9","10","1") = "9"
    & skf18("3","3","3","6","10","1","1") = "9"
    & skf18("3","3","3","6","10","2","1") = "9"
    & skf18("3","3","3","6","10","3","1") = "9"
    & skf18("3","3","3","6","10","4","1") = "9"
    & skf18("3","3","3","6","10","5","1") = "9"
    & skf18("3","3","3","6","10","6","1") = "9"
    & skf18("3","3","3","6","10","7","1") = "9"
    & skf18("3","3","3","6","10","8","1") = "9"
    & skf18("3","3","3","6","10","9","1") = "9"
    & skf18("3","3","3","6","10","10","1") = "9"
    & skf18("3","3","3","7","1","1","1") = "6"
    & skf18("3","3","3","7","1","2","1") = "6"
    & skf18("3","3","3","7","1","3","1") = "6"
    & skf18("3","3","3","7","1","4","1") = "6"
    & skf18("3","3","3","7","1","5","1") = "6"
    & skf18("3","3","3","7","1","6","1") = "6"
    & skf18("3","3","3","7","1","7","1") = "6"
    & skf18("3","3","3","7","1","8","1") = "7"
    & skf18("3","3","3","7","1","9","1") = "8"
    & skf18("3","3","3","7","1","10","1") = "9"
    & skf18("3","3","3","7","2","1","1") = "6"
    & skf18("3","3","3","7","2","2","1") = "6"
    & skf18("3","3","3","7","2","3","1") = "6"
    & skf18("3","3","3","7","2","4","1") = "6"
    & skf18("3","3","3","7","2","5","1") = "6"
    & skf18("3","3","3","7","2","6","1") = "6"
    & skf18("3","3","3","7","2","7","1") = "6"
    & skf18("3","3","3","7","2","8","1") = "7"
    & skf18("3","3","3","7","2","9","1") = "8"
    & skf18("3","3","3","7","2","10","1") = "9"
    & skf18("3","3","3","7","3","1","1") = "6"
    & skf18("3","3","3","7","3","2","1") = "6"
    & skf18("3","3","3","7","3","3","1") = "6"
    & skf18("3","3","3","7","3","4","1") = "6"
    & skf18("3","3","3","7","3","5","1") = "6"
    & skf18("3","3","3","7","3","6","1") = "6"
    & skf18("3","3","3","7","3","7","1") = "6"
    & skf18("3","3","3","7","3","8","1") = "7"
    & skf18("3","3","3","7","3","9","1") = "8"
    & skf18("3","3","3","7","3","10","1") = "9"
    & skf18("3","3","3","7","4","1","1") = "6"
    & skf18("3","3","3","7","4","2","1") = "6"
    & skf18("3","3","3","7","4","3","1") = "6"
    & skf18("3","3","3","7","4","4","1") = "6"
    & skf18("3","3","3","7","4","5","1") = "6"
    & skf18("3","3","3","7","4","6","1") = "6"
    & skf18("3","3","3","7","4","7","1") = "6"
    & skf18("3","3","3","7","4","8","1") = "7"
    & skf18("3","3","3","7","4","9","1") = "8"
    & skf18("3","3","3","7","4","10","1") = "9"
    & skf18("3","3","3","7","5","1","1") = "6"
    & skf18("3","3","3","7","5","2","1") = "6"
    & skf18("3","3","3","7","5","3","1") = "6"
    & skf18("3","3","3","7","5","4","1") = "6"
    & skf18("3","3","3","7","5","5","1") = "6"
    & skf18("3","3","3","7","5","6","1") = "6"
    & skf18("3","3","3","7","5","7","1") = "6"
    & skf18("3","3","3","7","5","8","1") = "7"
    & skf18("3","3","3","7","5","9","1") = "8"
    & skf18("3","3","3","7","5","10","1") = "9"
    & skf18("3","3","3","7","6","1","1") = "6"
    & skf18("3","3","3","7","6","2","1") = "6"
    & skf18("3","3","3","7","6","3","1") = "6"
    & skf18("3","3","3","7","6","4","1") = "6"
    & skf18("3","3","3","7","6","5","1") = "6"
    & skf18("3","3","3","7","6","6","1") = "6"
    & skf18("3","3","3","7","6","7","1") = "6"
    & skf18("3","3","3","7","6","8","1") = "7"
    & skf18("3","3","3","7","6","9","1") = "8"
    & skf18("3","3","3","7","6","10","1") = "9"
    & skf18("3","3","3","7","7","1","1") = "6"
    & skf18("3","3","3","7","7","2","1") = "6"
    & skf18("3","3","3","7","7","3","1") = "6"
    & skf18("3","3","3","7","7","4","1") = "6"
    & skf18("3","3","3","7","7","5","1") = "6"
    & skf18("3","3","3","7","7","6","1") = "6"
    & skf18("3","3","3","7","7","7","1") = "6"
    & skf18("3","3","3","7","7","8","1") = "7"
    & skf18("3","3","3","7","7","9","1") = "8"
    & skf18("3","3","3","7","7","10","1") = "9"
    & skf18("3","3","3","7","8","1","1") = "7"
    & skf18("3","3","3","7","8","2","1") = "7"
    & skf18("3","3","3","7","8","3","1") = "7"
    & skf18("3","3","3","7","8","4","1") = "7"
    & skf18("3","3","3","7","8","5","1") = "7"
    & skf18("3","3","3","7","8","6","1") = "7"
    & skf18("3","3","3","7","8","7","1") = "7"
    & skf18("3","3","3","7","8","8","1") = "7"
    & skf18("3","3","3","7","8","9","1") = "8"
    & skf18("3","3","3","7","8","10","1") = "9"
    & skf18("3","3","3","7","9","1","1") = "8"
    & skf18("3","3","3","7","9","2","1") = "8"
    & skf18("3","3","3","7","9","3","1") = "8"
    & skf18("3","3","3","7","9","4","1") = "8"
    & skf18("3","3","3","7","9","5","1") = "8"
    & skf18("3","3","3","7","9","6","1") = "8"
    & skf18("3","3","3","7","9","7","1") = "8"
    & skf18("3","3","3","7","9","8","1") = "8"
    & skf18("3","3","3","7","9","9","1") = "8"
    & skf18("3","3","3","7","9","10","1") = "9"
    & skf18("3","3","3","7","10","1","1") = "9"
    & skf18("3","3","3","7","10","2","1") = "9"
    & skf18("3","3","3","7","10","3","1") = "9"
    & skf18("3","3","3","7","10","4","1") = "9"
    & skf18("3","3","3","7","10","5","1") = "9"
    & skf18("3","3","3","7","10","6","1") = "9"
    & skf18("3","3","3","7","10","7","1") = "9"
    & skf18("3","3","3","7","10","8","1") = "9"
    & skf18("3","3","3","7","10","9","1") = "9"
    & skf18("3","3","3","7","10","10","1") = "9"
    & skf18("3","3","3","8","1","1","1") = "7"
    & skf18("3","3","3","8","1","2","1") = "7"
    & skf18("3","3","3","8","1","3","1") = "7"
    & skf18("3","3","3","8","1","4","1") = "7"
    & skf18("3","3","3","8","1","5","1") = "7"
    & skf18("3","3","3","8","1","6","1") = "7"
    & skf18("3","3","3","8","1","7","1") = "7"
    & skf18("3","3","3","8","1","8","1") = "7"
    & skf18("3","3","3","8","1","9","1") = "8"
    & skf18("3","3","3","8","1","10","1") = "9"
    & skf18("3","3","3","8","2","1","1") = "7"
    & skf18("3","3","3","8","2","2","1") = "7"
    & skf18("3","3","3","8","2","3","1") = "7"
    & skf18("3","3","3","8","2","4","1") = "7"
    & skf18("3","3","3","8","2","5","1") = "7"
    & skf18("3","3","3","8","2","6","1") = "7"
    & skf18("3","3","3","8","2","7","1") = "7"
    & skf18("3","3","3","8","2","8","1") = "7"
    & skf18("3","3","3","8","2","9","1") = "8"
    & skf18("3","3","3","8","2","10","1") = "9"
    & skf18("3","3","3","8","3","1","1") = "7"
    & skf18("3","3","3","8","3","2","1") = "7"
    & skf18("3","3","3","8","3","3","1") = "7"
    & skf18("3","3","3","8","3","4","1") = "7"
    & skf18("3","3","3","8","3","5","1") = "7"
    & skf18("3","3","3","8","3","6","1") = "7"
    & skf18("3","3","3","8","3","7","1") = "7"
    & skf18("3","3","3","8","3","8","1") = "7"
    & skf18("3","3","3","8","3","9","1") = "8"
    & skf18("3","3","3","8","3","10","1") = "9"
    & skf18("3","3","3","8","4","1","1") = "7"
    & skf18("3","3","3","8","4","2","1") = "7"
    & skf18("3","3","3","8","4","3","1") = "7"
    & skf18("3","3","3","8","4","4","1") = "7"
    & skf18("3","3","3","8","4","5","1") = "7"
    & skf18("3","3","3","8","4","6","1") = "7"
    & skf18("3","3","3","8","4","7","1") = "7"
    & skf18("3","3","3","8","4","8","1") = "7"
    & skf18("3","3","3","8","4","9","1") = "8"
    & skf18("3","3","3","8","4","10","1") = "9"
    & skf18("3","3","3","8","5","1","1") = "7"
    & skf18("3","3","3","8","5","2","1") = "7"
    & skf18("3","3","3","8","5","3","1") = "7"
    & skf18("3","3","3","8","5","4","1") = "7"
    & skf18("3","3","3","8","5","5","1") = "7"
    & skf18("3","3","3","8","5","6","1") = "7"
    & skf18("3","3","3","8","5","7","1") = "7"
    & skf18("3","3","3","8","5","8","1") = "7"
    & skf18("3","3","3","8","5","9","1") = "8"
    & skf18("3","3","3","8","5","10","1") = "9"
    & skf18("3","3","3","8","6","1","1") = "7"
    & skf18("3","3","3","8","6","2","1") = "7"
    & skf18("3","3","3","8","6","3","1") = "7"
    & skf18("3","3","3","8","6","4","1") = "7"
    & skf18("3","3","3","8","6","5","1") = "7"
    & skf18("3","3","3","8","6","6","1") = "7"
    & skf18("3","3","3","8","6","7","1") = "7"
    & skf18("3","3","3","8","6","8","1") = "7"
    & skf18("3","3","3","8","6","9","1") = "8"
    & skf18("3","3","3","8","6","10","1") = "9"
    & skf18("3","3","3","8","7","1","1") = "7"
    & skf18("3","3","3","8","7","2","1") = "7"
    & skf18("3","3","3","8","7","3","1") = "7"
    & skf18("3","3","3","8","7","4","1") = "7"
    & skf18("3","3","3","8","7","5","1") = "7"
    & skf18("3","3","3","8","7","6","1") = "7"
    & skf18("3","3","3","8","7","7","1") = "7"
    & skf18("3","3","3","8","7","8","1") = "7"
    & skf18("3","3","3","8","7","9","1") = "8"
    & skf18("3","3","3","8","7","10","1") = "9"
    & skf18("3","3","3","8","8","1","1") = "7"
    & skf18("3","3","3","8","8","2","1") = "7"
    & skf18("3","3","3","8","8","3","1") = "7"
    & skf18("3","3","3","8","8","4","1") = "7"
    & skf18("3","3","3","8","8","5","1") = "7"
    & skf18("3","3","3","8","8","6","1") = "7"
    & skf18("3","3","3","8","8","7","1") = "7"
    & skf18("3","3","3","8","8","8","1") = "7"
    & skf18("3","3","3","8","8","9","1") = "8"
    & skf18("3","3","3","8","8","10","1") = "9"
    & skf18("3","3","3","8","9","1","1") = "8"
    & skf18("3","3","3","8","9","2","1") = "8"
    & skf18("3","3","3","8","9","3","1") = "8"
    & skf18("3","3","3","8","9","4","1") = "8"
    & skf18("3","3","3","8","9","5","1") = "8"
    & skf18("3","3","3","8","9","6","1") = "8"
    & skf18("3","3","3","8","9","7","1") = "8"
    & skf18("3","3","3","8","9","8","1") = "8"
    & skf18("3","3","3","8","9","9","1") = "8"
    & skf18("3","3","3","8","9","10","1") = "9"
    & skf18("3","3","3","8","10","1","1") = "9"
    & skf18("3","3","3","8","10","2","1") = "9"
    & skf18("3","3","3","8","10","3","1") = "9"
    & skf18("3","3","3","8","10","4","1") = "9"
    & skf18("3","3","3","8","10","5","1") = "9"
    & skf18("3","3","3","8","10","6","1") = "9"
    & skf18("3","3","3","8","10","7","1") = "9"
    & skf18("3","3","3","8","10","8","1") = "9"
    & skf18("3","3","3","8","10","9","1") = "9"
    & skf18("3","3","3","8","10","10","1") = "9"
    & skf18("3","3","3","9","1","1","1") = "8"
    & skf18("3","3","3","9","1","2","1") = "8"
    & skf18("3","3","3","9","1","3","1") = "8"
    & skf18("3","3","3","9","1","4","1") = "8"
    & skf18("3","3","3","9","1","5","1") = "8"
    & skf18("3","3","3","9","1","6","1") = "8"
    & skf18("3","3","3","9","1","7","1") = "8"
    & skf18("3","3","3","9","1","8","1") = "8"
    & skf18("3","3","3","9","1","9","1") = "8"
    & skf18("3","3","3","9","1","10","1") = "9"
    & skf18("3","3","3","9","2","1","1") = "8"
    & skf18("3","3","3","9","2","2","1") = "8"
    & skf18("3","3","3","9","2","3","1") = "8"
    & skf18("3","3","3","9","2","4","1") = "8"
    & skf18("3","3","3","9","2","5","1") = "8"
    & skf18("3","3","3","9","2","6","1") = "8"
    & skf18("3","3","3","9","2","7","1") = "8"
    & skf18("3","3","3","9","2","8","1") = "8"
    & skf18("3","3","3","9","2","9","1") = "8"
    & skf18("3","3","3","9","2","10","1") = "9"
    & skf18("3","3","3","9","3","1","1") = "8"
    & skf18("3","3","3","9","3","2","1") = "8"
    & skf18("3","3","3","9","3","3","1") = "8"
    & skf18("3","3","3","9","3","4","1") = "8"
    & skf18("3","3","3","9","3","5","1") = "8"
    & skf18("3","3","3","9","3","6","1") = "8"
    & skf18("3","3","3","9","3","7","1") = "8"
    & skf18("3","3","3","9","3","8","1") = "8"
    & skf18("3","3","3","9","3","9","1") = "8"
    & skf18("3","3","3","9","3","10","1") = "9"
    & skf18("3","3","3","9","4","1","1") = "8"
    & skf18("3","3","3","9","4","2","1") = "8"
    & skf18("3","3","3","9","4","3","1") = "8"
    & skf18("3","3","3","9","4","4","1") = "8"
    & skf18("3","3","3","9","4","5","1") = "8"
    & skf18("3","3","3","9","4","6","1") = "8"
    & skf18("3","3","3","9","4","7","1") = "8"
    & skf18("3","3","3","9","4","8","1") = "8"
    & skf18("3","3","3","9","4","9","1") = "8"
    & skf18("3","3","3","9","4","10","1") = "9"
    & skf18("3","3","3","9","5","1","1") = "8"
    & skf18("3","3","3","9","5","2","1") = "8"
    & skf18("3","3","3","9","5","3","1") = "8"
    & skf18("3","3","3","9","5","4","1") = "8"
    & skf18("3","3","3","9","5","5","1") = "8"
    & skf18("3","3","3","9","5","6","1") = "8"
    & skf18("3","3","3","9","5","7","1") = "8"
    & skf18("3","3","3","9","5","8","1") = "8"
    & skf18("3","3","3","9","5","9","1") = "8"
    & skf18("3","3","3","9","5","10","1") = "9"
    & skf18("3","3","3","9","6","1","1") = "8"
    & skf18("3","3","3","9","6","2","1") = "8"
    & skf18("3","3","3","9","6","3","1") = "8"
    & skf18("3","3","3","9","6","4","1") = "8"
    & skf18("3","3","3","9","6","5","1") = "8"
    & skf18("3","3","3","9","6","6","1") = "8"
    & skf18("3","3","3","9","6","7","1") = "8"
    & skf18("3","3","3","9","6","8","1") = "8"
    & skf18("3","3","3","9","6","9","1") = "8"
    & skf18("3","3","3","9","6","10","1") = "9"
    & skf18("3","3","3","9","7","1","1") = "8"
    & skf18("3","3","3","9","7","2","1") = "8"
    & skf18("3","3","3","9","7","3","1") = "8"
    & skf18("3","3","3","9","7","4","1") = "8"
    & skf18("3","3","3","9","7","5","1") = "8"
    & skf18("3","3","3","9","7","6","1") = "8"
    & skf18("3","3","3","9","7","7","1") = "8"
    & skf18("3","3","3","9","7","8","1") = "8"
    & skf18("3","3","3","9","7","9","1") = "8"
    & skf18("3","3","3","9","7","10","1") = "9"
    & skf18("3","3","3","9","8","1","1") = "8"
    & skf18("3","3","3","9","8","2","1") = "8"
    & skf18("3","3","3","9","8","3","1") = "8"
    & skf18("3","3","3","9","8","4","1") = "8"
    & skf18("3","3","3","9","8","5","1") = "8"
    & skf18("3","3","3","9","8","6","1") = "8"
    & skf18("3","3","3","9","8","7","1") = "8"
    & skf18("3","3","3","9","8","8","1") = "8"
    & skf18("3","3","3","9","8","9","1") = "8"
    & skf18("3","3","3","9","8","10","1") = "9"
    & skf18("3","3","3","9","9","1","1") = "8"
    & skf18("3","3","3","9","9","2","1") = "8"
    & skf18("3","3","3","9","9","3","1") = "8"
    & skf18("3","3","3","9","9","4","1") = "8"
    & skf18("3","3","3","9","9","5","1") = "8"
    & skf18("3","3","3","9","9","6","1") = "8"
    & skf18("3","3","3","9","9","7","1") = "8"
    & skf18("3","3","3","9","9","8","1") = "8"
    & skf18("3","3","3","9","9","9","1") = "8"
    & skf18("3","3","3","9","9","10","1") = "9"
    & skf18("3","3","3","9","10","1","1") = "9"
    & skf18("3","3","3","9","10","2","1") = "9"
    & skf18("3","3","3","9","10","3","1") = "9"
    & skf18("3","3","3","9","10","4","1") = "9"
    & skf18("3","3","3","9","10","5","1") = "9"
    & skf18("3","3","3","9","10","6","1") = "9"
    & skf18("3","3","3","9","10","7","1") = "9"
    & skf18("3","3","3","9","10","8","1") = "9"
    & skf18("3","3","3","9","10","9","1") = "9"
    & skf18("3","3","3","9","10","10","1") = "9"
    & skf18("3","3","3","10","1","1","1") = "9"
    & skf18("3","3","3","10","1","2","1") = "9"
    & skf18("3","3","3","10","1","3","1") = "9"
    & skf18("3","3","3","10","1","4","1") = "9"
    & skf18("3","3","3","10","1","5","1") = "9"
    & skf18("3","3","3","10","1","6","1") = "9"
    & skf18("3","3","3","10","1","7","1") = "9"
    & skf18("3","3","3","10","1","8","1") = "9"
    & skf18("3","3","3","10","1","9","1") = "9"
    & skf18("3","3","3","10","1","10","1") = "9"
    & skf18("3","3","3","10","2","1","1") = "9"
    & skf18("3","3","3","10","2","2","1") = "9"
    & skf18("3","3","3","10","2","3","1") = "9"
    & skf18("3","3","3","10","2","4","1") = "9"
    & skf18("3","3","3","10","2","5","1") = "9"
    & skf18("3","3","3","10","2","6","1") = "9"
    & skf18("3","3","3","10","2","7","1") = "9"
    & skf18("3","3","3","10","2","8","1") = "9"
    & skf18("3","3","3","10","2","9","1") = "9"
    & skf18("3","3","3","10","2","10","1") = "9"
    & skf18("3","3","3","10","3","1","1") = "9"
    & skf18("3","3","3","10","3","2","1") = "9"
    & skf18("3","3","3","10","3","3","1") = "9"
    & skf18("3","3","3","10","3","4","1") = "9"
    & skf18("3","3","3","10","3","5","1") = "9"
    & skf18("3","3","3","10","3","6","1") = "9"
    & skf18("3","3","3","10","3","7","1") = "9"
    & skf18("3","3","3","10","3","8","1") = "9"
    & skf18("3","3","3","10","3","9","1") = "9"
    & skf18("3","3","3","10","3","10","1") = "9"
    & skf18("3","3","3","10","4","1","1") = "9"
    & skf18("3","3","3","10","4","2","1") = "9"
    & skf18("3","3","3","10","4","3","1") = "9"
    & skf18("3","3","3","10","4","4","1") = "9"
    & skf18("3","3","3","10","4","5","1") = "9"
    & skf18("3","3","3","10","4","6","1") = "9"
    & skf18("3","3","3","10","4","7","1") = "9"
    & skf18("3","3","3","10","4","8","1") = "9"
    & skf18("3","3","3","10","4","9","1") = "9"
    & skf18("3","3","3","10","4","10","1") = "9"
    & skf18("3","3","3","10","5","1","1") = "9"
    & skf18("3","3","3","10","5","2","1") = "9"
    & skf18("3","3","3","10","5","3","1") = "9"
    & skf18("3","3","3","10","5","4","1") = "9"
    & skf18("3","3","3","10","5","5","1") = "9"
    & skf18("3","3","3","10","5","6","1") = "9"
    & skf18("3","3","3","10","5","7","1") = "9"
    & skf18("3","3","3","10","5","8","1") = "9"
    & skf18("3","3","3","10","5","9","1") = "9"
    & skf18("3","3","3","10","5","10","1") = "9"
    & skf18("3","3","3","10","6","1","1") = "9"
    & skf18("3","3","3","10","6","2","1") = "9"
    & skf18("3","3","3","10","6","3","1") = "9"
    & skf18("3","3","3","10","6","4","1") = "9"
    & skf18("3","3","3","10","6","5","1") = "9"
    & skf18("3","3","3","10","6","6","1") = "9"
    & skf18("3","3","3","10","6","7","1") = "9"
    & skf18("3","3","3","10","6","8","1") = "9"
    & skf18("3","3","3","10","6","9","1") = "9"
    & skf18("3","3","3","10","6","10","1") = "9"
    & skf18("3","3","3","10","7","1","1") = "9"
    & skf18("3","3","3","10","7","2","1") = "9"
    & skf18("3","3","3","10","7","3","1") = "9"
    & skf18("3","3","3","10","7","4","1") = "9"
    & skf18("3","3","3","10","7","5","1") = "9"
    & skf18("3","3","3","10","7","6","1") = "9"
    & skf18("3","3","3","10","7","7","1") = "9"
    & skf18("3","3","3","10","7","8","1") = "9"
    & skf18("3","3","3","10","7","9","1") = "9"
    & skf18("3","3","3","10","7","10","1") = "9"
    & skf18("3","3","3","10","8","1","1") = "9"
    & skf18("3","3","3","10","8","2","1") = "9"
    & skf18("3","3","3","10","8","3","1") = "9"
    & skf18("3","3","3","10","8","4","1") = "9"
    & skf18("3","3","3","10","8","5","1") = "9"
    & skf18("3","3","3","10","8","6","1") = "9"
    & skf18("3","3","3","10","8","7","1") = "9"
    & skf18("3","3","3","10","8","8","1") = "9"
    & skf18("3","3","3","10","8","9","1") = "9"
    & skf18("3","3","3","10","8","10","1") = "9"
    & skf18("3","3","3","10","9","1","1") = "9"
    & skf18("3","3","3","10","9","2","1") = "9"
    & skf18("3","3","3","10","9","3","1") = "9"
    & skf18("3","3","3","10","9","4","1") = "9"
    & skf18("3","3","3","10","9","5","1") = "9"
    & skf18("3","3","3","10","9","6","1") = "9"
    & skf18("3","3","3","10","9","7","1") = "9"
    & skf18("3","3","3","10","9","8","1") = "9"
    & skf18("3","3","3","10","9","9","1") = "9"
    & skf18("3","3","3","10","9","10","1") = "9"
    & skf18("3","3","3","10","10","1","1") = "9"
    & skf18("3","3","3","10","10","2","1") = "9"
    & skf18("3","3","3","10","10","3","1") = "9"
    & skf18("3","3","3","10","10","4","1") = "9"
    & skf18("3","3","3","10","10","5","1") = "9"
    & skf18("3","3","3","10","10","6","1") = "9"
    & skf18("3","3","3","10","10","7","1") = "9"
    & skf18("3","3","3","10","10","8","1") = "9"
    & skf18("3","3","3","10","10","9","1") = "9"
    & skf18("3","3","3","10","10","10","1") = "9"
    & skf18("3","3","4","1","1","1","1") = "3"
    & skf18("3","3","4","1","1","2","1") = "3"
    & skf18("3","3","4","1","1","3","1") = "3"
    & skf18("3","3","4","1","1","4","1") = "3"
    & skf18("3","3","4","1","1","5","1") = "4"
    & skf18("3","3","4","1","1","6","1") = "5"
    & skf18("3","3","4","1","1","7","1") = "6"
    & skf18("3","3","4","1","1","8","1") = "7"
    & skf18("3","3","4","1","1","9","1") = "8"
    & skf18("3","3","4","1","1","10","1") = "9"
    & skf18("3","3","4","1","2","1","1") = "3"
    & skf18("3","3","4","1","2","2","1") = "3"
    & skf18("3","3","4","1","2","3","1") = "3"
    & skf18("3","3","4","1","2","4","1") = "3"
    & skf18("3","3","4","1","2","5","1") = "4"
    & skf18("3","3","4","1","2","6","1") = "5"
    & skf18("3","3","4","1","2","7","1") = "6"
    & skf18("3","3","4","1","2","8","1") = "7"
    & skf18("3","3","4","1","2","9","1") = "8"
    & skf18("3","3","4","1","2","10","1") = "9"
    & skf18("3","3","4","1","3","1","1") = "3"
    & skf18("3","3","4","1","3","2","1") = "3"
    & skf18("3","3","4","1","3","3","1") = "3"
    & skf18("3","3","4","1","3","4","1") = "3"
    & skf18("3","3","4","1","3","5","1") = "4"
    & skf18("3","3","4","1","3","6","1") = "5"
    & skf18("3","3","4","1","3","7","1") = "6"
    & skf18("3","3","4","1","3","8","1") = "7"
    & skf18("3","3","4","1","3","9","1") = "8"
    & skf18("3","3","4","1","3","10","1") = "9"
    & skf18("3","3","4","1","4","1","1") = "3"
    & skf18("3","3","4","1","4","2","1") = "3"
    & skf18("3","3","4","1","4","3","1") = "3"
    & skf18("3","3","4","1","4","4","1") = "3"
    & skf18("3","3","4","1","4","5","1") = "4"
    & skf18("3","3","4","1","4","6","1") = "5"
    & skf18("3","3","4","1","4","7","1") = "6"
    & skf18("3","3","4","1","4","8","1") = "7"
    & skf18("3","3","4","1","4","9","1") = "8"
    & skf18("3","3","4","1","4","10","1") = "9"
    & skf18("3","3","4","1","5","1","1") = "4"
    & skf18("3","3","4","1","5","2","1") = "4"
    & skf18("3","3","4","1","5","3","1") = "4"
    & skf18("3","3","4","1","5","4","1") = "4"
    & skf18("3","3","4","1","5","5","1") = "4"
    & skf18("3","3","4","1","5","6","1") = "5"
    & skf18("3","3","4","1","5","7","1") = "6"
    & skf18("3","3","4","1","5","8","1") = "7"
    & skf18("3","3","4","1","5","9","1") = "8"
    & skf18("3","3","4","1","5","10","1") = "9"
    & skf18("3","3","4","1","6","1","1") = "5"
    & skf18("3","3","4","1","6","2","1") = "5"
    & skf18("3","3","4","1","6","3","1") = "5"
    & skf18("3","3","4","1","6","4","1") = "5"
    & skf18("3","3","4","1","6","5","1") = "5"
    & skf18("3","3","4","1","6","6","1") = "5"
    & skf18("3","3","4","1","6","7","1") = "6"
    & skf18("3","3","4","1","6","8","1") = "7"
    & skf18("3","3","4","1","6","9","1") = "8"
    & skf18("3","3","4","1","6","10","1") = "9"
    & skf18("3","3","4","1","7","1","1") = "6"
    & skf18("3","3","4","1","7","2","1") = "6"
    & skf18("3","3","4","1","7","3","1") = "6"
    & skf18("3","3","4","1","7","4","1") = "6"
    & skf18("3","3","4","1","7","5","1") = "6"
    & skf18("3","3","4","1","7","6","1") = "6"
    & skf18("3","3","4","1","7","7","1") = "6"
    & skf18("3","3","4","1","7","8","1") = "7"
    & skf18("3","3","4","1","7","9","1") = "8"
    & skf18("3","3","4","1","7","10","1") = "9"
    & skf18("3","3","4","1","8","1","1") = "7"
    & skf18("3","3","4","1","8","2","1") = "7"
    & skf18("3","3","4","1","8","3","1") = "7"
    & skf18("3","3","4","1","8","4","1") = "7"
    & skf18("3","3","4","1","8","5","1") = "7"
    & skf18("3","3","4","1","8","6","1") = "7"
    & skf18("3","3","4","1","8","7","1") = "7"
    & skf18("3","3","4","1","8","8","1") = "7"
    & skf18("3","3","4","1","8","9","1") = "8"
    & skf18("3","3","4","1","8","10","1") = "9"
    & skf18("3","3","4","1","9","1","1") = "8"
    & skf18("3","3","4","1","9","2","1") = "8"
    & skf18("3","3","4","1","9","3","1") = "8"
    & skf18("3","3","4","1","9","4","1") = "8"
    & skf18("3","3","4","1","9","5","1") = "8"
    & skf18("3","3","4","1","9","6","1") = "8"
    & skf18("3","3","4","1","9","7","1") = "8"
    & skf18("3","3","4","1","9","8","1") = "8"
    & skf18("3","3","4","1","9","9","1") = "8"
    & skf18("3","3","4","1","9","10","1") = "9"
    & skf18("3","3","4","1","10","1","1") = "9"
    & skf18("3","3","4","1","10","2","1") = "9"
    & skf18("3","3","4","1","10","3","1") = "9"
    & skf18("3","3","4","1","10","4","1") = "9"
    & skf18("3","3","4","1","10","5","1") = "9"
    & skf18("3","3","4","1","10","6","1") = "9"
    & skf18("3","3","4","1","10","7","1") = "9"
    & skf18("3","3","4","1","10","8","1") = "9"
    & skf18("3","3","4","1","10","9","1") = "9"
    & skf18("3","3","4","1","10","10","1") = "9"
    & skf18("3","3","4","2","1","1","1") = "3"
    & skf18("3","3","4","2","1","2","1") = "3"
    & skf18("3","3","4","2","1","3","1") = "3"
    & skf18("3","3","4","2","1","4","1") = "3"
    & skf18("3","3","4","2","1","5","1") = "4"
    & skf18("3","3","4","2","1","6","1") = "5"
    & skf18("3","3","4","2","1","7","1") = "6"
    & skf18("3","3","4","2","1","8","1") = "7"
    & skf18("3","3","4","2","1","9","1") = "8"
    & skf18("3","3","4","2","1","10","1") = "9"
    & skf18("3","3","4","2","2","1","1") = "3"
    & skf18("3","3","4","2","2","2","1") = "3"
    & skf18("3","3","4","2","2","3","1") = "3"
    & skf18("3","3","4","2","2","4","1") = "3"
    & skf18("3","3","4","2","2","5","1") = "4"
    & skf18("3","3","4","2","2","6","1") = "5"
    & skf18("3","3","4","2","2","7","1") = "6"
    & skf18("3","3","4","2","2","8","1") = "7"
    & skf18("3","3","4","2","2","9","1") = "8"
    & skf18("3","3","4","2","2","10","1") = "9"
    & skf18("3","3","4","2","3","1","1") = "3"
    & skf18("3","3","4","2","3","2","1") = "3"
    & skf18("3","3","4","2","3","3","1") = "3"
    & skf18("3","3","4","2","3","4","1") = "3"
    & skf18("3","3","4","2","3","5","1") = "4"
    & skf18("3","3","4","2","3","6","1") = "5"
    & skf18("3","3","4","2","3","7","1") = "6"
    & skf18("3","3","4","2","3","8","1") = "7"
    & skf18("3","3","4","2","3","9","1") = "8"
    & skf18("3","3","4","2","3","10","1") = "9"
    & skf18("3","3","4","2","4","1","1") = "3"
    & skf18("3","3","4","2","4","2","1") = "3"
    & skf18("3","3","4","2","4","3","1") = "3"
    & skf18("3","3","4","2","4","4","1") = "3"
    & skf18("3","3","4","2","4","5","1") = "4"
    & skf18("3","3","4","2","4","6","1") = "5"
    & skf18("3","3","4","2","4","7","1") = "6"
    & skf18("3","3","4","2","4","8","1") = "7"
    & skf18("3","3","4","2","4","9","1") = "8"
    & skf18("3","3","4","2","4","10","1") = "9"
    & skf18("3","3","4","2","5","1","1") = "2"
    & skf18("3","3","4","2","5","2","1") = "2"
    & skf18("3","3","4","2","5","3","1") = "4"
    & skf18("3","3","4","2","5","4","1") = "4"
    & skf18("3","3","4","2","5","5","1") = "4"
    & skf18("3","3","4","2","5","6","1") = "5"
    & skf18("3","3","4","2","5","7","1") = "6"
    & skf18("3","3","4","2","5","8","1") = "7"
    & skf18("3","3","4","2","5","9","1") = "8"
    & skf18("3","3","4","2","5","10","1") = "9"
    & skf18("3","3","4","2","6","1","1") = "5"
    & skf18("3","3","4","2","6","2","1") = "5"
    & skf18("3","3","4","2","6","3","1") = "5"
    & skf18("3","3","4","2","6","4","1") = "5"
    & skf18("3","3","4","2","6","5","1") = "5"
    & skf18("3","3","4","2","6","6","1") = "5"
    & skf18("3","3","4","2","6","7","1") = "6"
    & skf18("3","3","4","2","6","8","1") = "7"
    & skf18("3","3","4","2","6","9","1") = "8"
    & skf18("3","3","4","2","6","10","1") = "9"
    & skf18("3","3","4","2","7","1","1") = "6"
    & skf18("3","3","4","2","7","2","1") = "6"
    & skf18("3","3","4","2","7","3","1") = "6"
    & skf18("3","3","4","2","7","4","1") = "6"
    & skf18("3","3","4","2","7","5","1") = "6"
    & skf18("3","3","4","2","7","6","1") = "6"
    & skf18("3","3","4","2","7","7","1") = "6"
    & skf18("3","3","4","2","7","8","1") = "7"
    & skf18("3","3","4","2","7","9","1") = "8"
    & skf18("3","3","4","2","7","10","1") = "9"
    & skf18("3","3","4","2","8","1","1") = "7"
    & skf18("3","3","4","2","8","2","1") = "7"
    & skf18("3","3","4","2","8","3","1") = "7"
    & skf18("3","3","4","2","8","4","1") = "7"
    & skf18("3","3","4","2","8","5","1") = "7"
    & skf18("3","3","4","2","8","6","1") = "7"
    & skf18("3","3","4","2","8","7","1") = "7"
    & skf18("3","3","4","2","8","8","1") = "7"
    & skf18("3","3","4","2","8","9","1") = "8"
    & skf18("3","3","4","2","8","10","1") = "9"
    & skf18("3","3","4","2","9","1","1") = "8"
    & skf18("3","3","4","2","9","2","1") = "8"
    & skf18("3","3","4","2","9","3","1") = "8"
    & skf18("3","3","4","2","9","4","1") = "8"
    & skf18("3","3","4","2","9","5","1") = "8"
    & skf18("3","3","4","2","9","6","1") = "8"
    & skf18("3","3","4","2","9","7","1") = "8"
    & skf18("3","3","4","2","9","8","1") = "8"
    & skf18("3","3","4","2","9","9","1") = "8"
    & skf18("3","3","4","2","9","10","1") = "9"
    & skf18("3","3","4","2","10","1","1") = "9"
    & skf18("3","3","4","2","10","2","1") = "9"
    & skf18("3","3","4","2","10","3","1") = "9"
    & skf18("3","3","4","2","10","4","1") = "9"
    & skf18("3","3","4","2","10","5","1") = "9"
    & skf18("3","3","4","2","10","6","1") = "9"
    & skf18("3","3","4","2","10","7","1") = "9"
    & skf18("3","3","4","2","10","8","1") = "9"
    & skf18("3","3","4","2","10","9","1") = "9"
    & skf18("3","3","4","2","10","10","1") = "9"
    & skf18("3","3","4","3","1","1","1") = "3"
    & skf18("3","3","4","3","1","2","1") = "3"
    & skf18("3","3","4","3","1","3","1") = "3"
    & skf18("3","3","4","3","1","4","1") = "3"
    & skf18("3","3","4","3","1","5","1") = "4"
    & skf18("3","3","4","3","1","6","1") = "5"
    & skf18("3","3","4","3","1","7","1") = "6"
    & skf18("3","3","4","3","1","8","1") = "7"
    & skf18("3","3","4","3","1","9","1") = "8"
    & skf18("3","3","4","3","1","10","1") = "9"
    & skf18("3","3","4","3","2","1","1") = "3"
    & skf18("3","3","4","3","2","2","1") = "3"
    & skf18("3","3","4","3","2","3","1") = "3"
    & skf18("3","3","4","3","2","4","1") = "3"
    & skf18("3","3","4","3","2","5","1") = "4"
    & skf18("3","3","4","3","2","6","1") = "5"
    & skf18("3","3","4","3","2","7","1") = "6"
    & skf18("3","3","4","3","2","8","1") = "7"
    & skf18("3","3","4","3","2","9","1") = "8"
    & skf18("3","3","4","3","2","10","1") = "9"
    & skf18("3","3","4","3","3","1","1") = "3"
    & skf18("3","3","4","3","3","2","1") = "3"
    & skf18("3","3","4","3","3","3","1") = "3"
    & skf18("3","3","4","3","3","4","1") = "3"
    & skf18("3","3","4","3","3","5","1") = "4"
    & skf18("3","3","4","3","3","6","1") = "5"
    & skf18("3","3","4","3","3","7","1") = "6"
    & skf18("3","3","4","3","3","8","1") = "7"
    & skf18("3","3","4","3","3","9","1") = "8"
    & skf18("3","3","4","3","3","10","1") = "9"
    & skf18("3","3","4","3","4","1","1") = "3"
    & skf18("3","3","4","3","4","2","1") = "3"
    & skf18("3","3","4","3","4","3","1") = "3"
    & skf18("3","3","4","3","4","4","1") = "3"
    & skf18("3","3","4","3","4","5","1") = "4"
    & skf18("3","3","4","3","4","6","1") = "5"
    & skf18("3","3","4","3","4","7","1") = "6"
    & skf18("3","3","4","3","4","8","1") = "7"
    & skf18("3","3","4","3","4","9","1") = "8"
    & skf18("3","3","4","3","4","10","1") = "9"
    & skf18("3","3","4","3","5","1","1") = "4"
    & skf18("3","3","4","3","5","2","1") = "4"
    & skf18("3","3","4","3","5","3","1") = "4"
    & skf18("3","3","4","3","5","4","1") = "4"
    & skf18("3","3","4","3","5","5","1") = "4"
    & skf18("3","3","4","3","5","6","1") = "5"
    & skf18("3","3","4","3","5","7","1") = "6"
    & skf18("3","3","4","3","5","8","1") = "7"
    & skf18("3","3","4","3","5","9","1") = "8"
    & skf18("3","3","4","3","5","10","1") = "9"
    & skf18("3","3","4","3","6","1","1") = "5"
    & skf18("3","3","4","3","6","2","1") = "5"
    & skf18("3","3","4","3","6","3","1") = "5"
    & skf18("3","3","4","3","6","4","1") = "5"
    & skf18("3","3","4","3","6","5","1") = "5"
    & skf18("3","3","4","3","6","6","1") = "5"
    & skf18("3","3","4","3","6","7","1") = "6"
    & skf18("3","3","4","3","6","8","1") = "7"
    & skf18("3","3","4","3","6","9","1") = "8"
    & skf18("3","3","4","3","6","10","1") = "9"
    & skf18("3","3","4","3","7","1","1") = "6"
    & skf18("3","3","4","3","7","2","1") = "6"
    & skf18("3","3","4","3","7","3","1") = "6"
    & skf18("3","3","4","3","7","4","1") = "6"
    & skf18("3","3","4","3","7","5","1") = "6"
    & skf18("3","3","4","3","7","6","1") = "6"
    & skf18("3","3","4","3","7","7","1") = "6"
    & skf18("3","3","4","3","7","8","1") = "7"
    & skf18("3","3","4","3","7","9","1") = "8"
    & skf18("3","3","4","3","7","10","1") = "9"
    & skf18("3","3","4","3","8","1","1") = "7"
    & skf18("3","3","4","3","8","2","1") = "7"
    & skf18("3","3","4","3","8","3","1") = "7"
    & skf18("3","3","4","3","8","4","1") = "7"
    & skf18("3","3","4","3","8","5","1") = "7"
    & skf18("3","3","4","3","8","6","1") = "7"
    & skf18("3","3","4","3","8","7","1") = "7"
    & skf18("3","3","4","3","8","8","1") = "7"
    & skf18("3","3","4","3","8","9","1") = "8"
    & skf18("3","3","4","3","8","10","1") = "9"
    & skf18("3","3","4","3","9","1","1") = "8"
    & skf18("3","3","4","3","9","2","1") = "8"
    & skf18("3","3","4","3","9","3","1") = "8"
    & skf18("3","3","4","3","9","4","1") = "8"
    & skf18("3","3","4","3","9","5","1") = "8"
    & skf18("3","3","4","3","9","6","1") = "8"
    & skf18("3","3","4","3","9","7","1") = "8"
    & skf18("3","3","4","3","9","8","1") = "8"
    & skf18("3","3","4","3","9","9","1") = "8"
    & skf18("3","3","4","3","9","10","1") = "9"
    & skf18("3","3","4","3","10","1","1") = "9"
    & skf18("3","3","4","3","10","2","1") = "9"
    & skf18("3","3","4","3","10","3","1") = "9"
    & skf18("3","3","4","3","10","4","1") = "9"
    & skf18("3","3","4","3","10","5","1") = "9"
    & skf18("3","3","4","3","10","6","1") = "9"
    & skf18("3","3","4","3","10","7","1") = "9"
    & skf18("3","3","4","3","10","8","1") = "9"
    & skf18("3","3","4","3","10","9","1") = "9"
    & skf18("3","3","4","3","10","10","1") = "9"
    & skf18("3","3","4","4","1","1","1") = "3"
    & skf18("3","3","4","4","1","2","1") = "3"
    & skf18("3","3","4","4","1","3","1") = "3"
    & skf18("3","3","4","4","1","4","1") = "3"
    & skf18("3","3","4","4","1","5","1") = "4"
    & skf18("3","3","4","4","1","6","1") = "5"
    & skf18("3","3","4","4","1","7","1") = "6"
    & skf18("3","3","4","4","1","8","1") = "7"
    & skf18("3","3","4","4","1","9","1") = "8"
    & skf18("3","3","4","4","1","10","1") = "9"
    & skf18("3","3","4","4","2","1","1") = "3"
    & skf18("3","3","4","4","2","2","1") = "3"
    & skf18("3","3","4","4","2","3","1") = "3"
    & skf18("3","3","4","4","2","4","1") = "3"
    & skf18("3","3","4","4","2","5","1") = "4"
    & skf18("3","3","4","4","2","6","1") = "5"
    & skf18("3","3","4","4","2","7","1") = "6"
    & skf18("3","3","4","4","2","8","1") = "7"
    & skf18("3","3","4","4","2","9","1") = "8"
    & skf18("3","3","4","4","2","10","1") = "9"
    & skf18("3","3","4","4","3","1","1") = "3"
    & skf18("3","3","4","4","3","2","1") = "3"
    & skf18("3","3","4","4","3","3","1") = "3"
    & skf18("3","3","4","4","3","4","1") = "3"
    & skf18("3","3","4","4","3","5","1") = "4"
    & skf18("3","3","4","4","3","6","1") = "5"
    & skf18("3","3","4","4","3","7","1") = "6"
    & skf18("3","3","4","4","3","8","1") = "7"
    & skf18("3","3","4","4","3","9","1") = "8"
    & skf18("3","3","4","4","3","10","1") = "9"
    & skf18("3","3","4","4","4","1","1") = "3"
    & skf18("3","3","4","4","4","2","1") = "3"
    & skf18("3","3","4","4","4","3","1") = "3"
    & skf18("3","3","4","4","4","4","1") = "3"
    & skf18("3","3","4","4","4","5","1") = "4"
    & skf18("3","3","4","4","4","6","1") = "5"
    & skf18("3","3","4","4","4","7","1") = "6"
    & skf18("3","3","4","4","4","8","1") = "7"
    & skf18("3","3","4","4","4","9","1") = "8"
    & skf18("3","3","4","4","4","10","1") = "9"
    & skf18("3","3","4","4","5","1","1") = "4"
    & skf18("3","3","4","4","5","2","1") = "4"
    & skf18("3","3","4","4","5","3","1") = "4"
    & skf18("3","3","4","4","5","4","1") = "4"
    & skf18("3","3","4","4","5","5","1") = "4"
    & skf18("3","3","4","4","5","6","1") = "5"
    & skf18("3","3","4","4","5","7","1") = "6"
    & skf18("3","3","4","4","5","8","1") = "7"
    & skf18("3","3","4","4","5","9","1") = "8"
    & skf18("3","3","4","4","5","10","1") = "9"
    & skf18("3","3","4","4","6","1","1") = "5"
    & skf18("3","3","4","4","6","2","1") = "5"
    & skf18("3","3","4","4","6","3","1") = "5"
    & skf18("3","3","4","4","6","4","1") = "5"
    & skf18("3","3","4","4","6","5","1") = "5"
    & skf18("3","3","4","4","6","6","1") = "5"
    & skf18("3","3","4","4","6","7","1") = "6"
    & skf18("3","3","4","4","6","8","1") = "7"
    & skf18("3","3","4","4","6","9","1") = "8"
    & skf18("3","3","4","4","6","10","1") = "9"
    & skf18("3","3","4","4","7","1","1") = "6"
    & skf18("3","3","4","4","7","2","1") = "6"
    & skf18("3","3","4","4","7","3","1") = "6"
    & skf18("3","3","4","4","7","4","1") = "6"
    & skf18("3","3","4","4","7","5","1") = "6"
    & skf18("3","3","4","4","7","6","1") = "6"
    & skf18("3","3","4","4","7","7","1") = "6"
    & skf18("3","3","4","4","7","8","1") = "7"
    & skf18("3","3","4","4","7","9","1") = "8"
    & skf18("3","3","4","4","7","10","1") = "9"
    & skf18("3","3","4","4","8","1","1") = "7"
    & skf18("3","3","4","4","8","2","1") = "7"
    & skf18("3","3","4","4","8","3","1") = "7"
    & skf18("3","3","4","4","8","4","1") = "7"
    & skf18("3","3","4","4","8","5","1") = "7"
    & skf18("3","3","4","4","8","6","1") = "7"
    & skf18("3","3","4","4","8","7","1") = "7"
    & skf18("3","3","4","4","8","8","1") = "7"
    & skf18("3","3","4","4","8","9","1") = "8"
    & skf18("3","3","4","4","8","10","1") = "9"
    & skf18("3","3","4","4","9","1","1") = "8"
    & skf18("3","3","4","4","9","2","1") = "8"
    & skf18("3","3","4","4","9","3","1") = "8"
    & skf18("3","3","4","4","9","4","1") = "8"
    & skf18("3","3","4","4","9","5","1") = "8"
    & skf18("3","3","4","4","9","6","1") = "8"
    & skf18("3","3","4","4","9","7","1") = "8"
    & skf18("3","3","4","4","9","8","1") = "8"
    & skf18("3","3","4","4","9","9","1") = "8"
    & skf18("3","3","4","4","9","10","1") = "9"
    & skf18("3","3","4","4","10","1","1") = "9"
    & skf18("3","3","4","4","10","2","1") = "9"
    & skf18("3","3","4","4","10","3","1") = "9"
    & skf18("3","3","4","4","10","4","1") = "9"
    & skf18("3","3","4","4","10","5","1") = "9"
    & skf18("3","3","4","4","10","6","1") = "9"
    & skf18("3","3","4","4","10","7","1") = "9"
    & skf18("3","3","4","4","10","8","1") = "9"
    & skf18("3","3","4","4","10","9","1") = "9"
    & skf18("3","3","4","4","10","10","1") = "9"
    & skf18("3","3","4","5","1","1","1") = "4"
    & skf18("3","3","4","5","1","2","1") = "4"
    & skf18("3","3","4","5","1","3","1") = "4"
    & skf18("3","3","4","5","1","4","1") = "4"
    & skf18("3","3","4","5","1","5","1") = "4"
    & skf18("3","3","4","5","1","6","1") = "5"
    & skf18("3","3","4","5","1","7","1") = "6"
    & skf18("3","3","4","5","1","8","1") = "7"
    & skf18("3","3","4","5","1","9","1") = "8"
    & skf18("3","3","4","5","1","10","1") = "9"
    & skf18("3","3","4","5","2","1","1") = "4"
    & skf18("3","3","4","5","2","2","1") = "4"
    & skf18("3","3","4","5","2","3","1") = "4"
    & skf18("3","3","4","5","2","4","1") = "4"
    & skf18("3","3","4","5","2","5","1") = "4"
    & skf18("3","3","4","5","2","6","1") = "5"
    & skf18("3","3","4","5","2","7","1") = "6"
    & skf18("3","3","4","5","2","8","1") = "7"
    & skf18("3","3","4","5","2","9","1") = "8"
    & skf18("3","3","4","5","2","10","1") = "9"
    & skf18("3","3","4","5","3","1","1") = "4"
    & skf18("3","3","4","5","3","2","1") = "4"
    & skf18("3","3","4","5","3","3","1") = "4"
    & skf18("3","3","4","5","3","4","1") = "4"
    & skf18("3","3","4","5","3","5","1") = "4"
    & skf18("3","3","4","5","3","6","1") = "5"
    & skf18("3","3","4","5","3","7","1") = "6"
    & skf18("3","3","4","5","3","8","1") = "7"
    & skf18("3","3","4","5","3","9","1") = "8"
    & skf18("3","3","4","5","3","10","1") = "9"
    & skf18("3","3","4","5","4","1","1") = "4"
    & skf18("3","3","4","5","4","2","1") = "4"
    & skf18("3","3","4","5","4","3","1") = "4"
    & skf18("3","3","4","5","4","4","1") = "4"
    & skf18("3","3","4","5","4","5","1") = "4"
    & skf18("3","3","4","5","4","6","1") = "5"
    & skf18("3","3","4","5","4","7","1") = "6"
    & skf18("3","3","4","5","4","8","1") = "7"
    & skf18("3","3","4","5","4","9","1") = "8"
    & skf18("3","3","4","5","4","10","1") = "9"
    & skf18("3","3","4","5","5","1","1") = "4"
    & skf18("3","3","4","5","5","2","1") = "4"
    & skf18("3","3","4","5","5","3","1") = "4"
    & skf18("3","3","4","5","5","4","1") = "4"
    & skf18("3","3","4","5","5","5","1") = "4"
    & skf18("3","3","4","5","5","6","1") = "5"
    & skf18("3","3","4","5","5","7","1") = "6"
    & skf18("3","3","4","5","5","8","1") = "7"
    & skf18("3","3","4","5","5","9","1") = "8"
    & skf18("3","3","4","5","5","10","1") = "9"
    & skf18("3","3","4","5","6","1","1") = "5"
    & skf18("3","3","4","5","6","2","1") = "5"
    & skf18("3","3","4","5","6","3","1") = "5"
    & skf18("3","3","4","5","6","4","1") = "5"
    & skf18("3","3","4","5","6","5","1") = "5"
    & skf18("3","3","4","5","6","6","1") = "5"
    & skf18("3","3","4","5","6","7","1") = "6"
    & skf18("3","3","4","5","6","8","1") = "7"
    & skf18("3","3","4","5","6","9","1") = "8"
    & skf18("3","3","4","5","6","10","1") = "9"
    & skf18("3","3","4","5","7","1","1") = "6"
    & skf18("3","3","4","5","7","2","1") = "6"
    & skf18("3","3","4","5","7","3","1") = "6"
    & skf18("3","3","4","5","7","4","1") = "6"
    & skf18("3","3","4","5","7","5","1") = "6"
    & skf18("3","3","4","5","7","6","1") = "6"
    & skf18("3","3","4","5","7","7","1") = "6"
    & skf18("3","3","4","5","7","8","1") = "7"
    & skf18("3","3","4","5","7","9","1") = "8"
    & skf18("3","3","4","5","7","10","1") = "9"
    & skf18("3","3","4","5","8","1","1") = "7"
    & skf18("3","3","4","5","8","2","1") = "7"
    & skf18("3","3","4","5","8","3","1") = "7"
    & skf18("3","3","4","5","8","4","1") = "7"
    & skf18("3","3","4","5","8","5","1") = "7"
    & skf18("3","3","4","5","8","6","1") = "7"
    & skf18("3","3","4","5","8","7","1") = "7"
    & skf18("3","3","4","5","8","8","1") = "7"
    & skf18("3","3","4","5","8","9","1") = "8"
    & skf18("3","3","4","5","8","10","1") = "9"
    & skf18("3","3","4","5","9","1","1") = "8"
    & skf18("3","3","4","5","9","2","1") = "8"
    & skf18("3","3","4","5","9","3","1") = "8"
    & skf18("3","3","4","5","9","4","1") = "8"
    & skf18("3","3","4","5","9","5","1") = "8"
    & skf18("3","3","4","5","9","6","1") = "8"
    & skf18("3","3","4","5","9","7","1") = "8"
    & skf18("3","3","4","5","9","8","1") = "8"
    & skf18("3","3","4","5","9","9","1") = "8"
    & skf18("3","3","4","5","9","10","1") = "9"
    & skf18("3","3","4","5","10","1","1") = "9"
    & skf18("3","3","4","5","10","2","1") = "9"
    & skf18("3","3","4","5","10","3","1") = "9"
    & skf18("3","3","4","5","10","4","1") = "9"
    & skf18("3","3","4","5","10","5","1") = "9"
    & skf18("3","3","4","5","10","6","1") = "9"
    & skf18("3","3","4","5","10","7","1") = "9"
    & skf18("3","3","4","5","10","8","1") = "9"
    & skf18("3","3","4","5","10","9","1") = "9"
    & skf18("3","3","4","5","10","10","1") = "9"
    & skf18("3","3","4","6","1","1","1") = "5"
    & skf18("3","3","4","6","1","2","1") = "5"
    & skf18("3","3","4","6","1","3","1") = "5"
    & skf18("3","3","4","6","1","4","1") = "5"
    & skf18("3","3","4","6","1","5","1") = "5"
    & skf18("3","3","4","6","1","6","1") = "5"
    & skf18("3","3","4","6","1","7","1") = "6"
    & skf18("3","3","4","6","1","8","1") = "7"
    & skf18("3","3","4","6","1","9","1") = "8"
    & skf18("3","3","4","6","1","10","1") = "9"
    & skf18("3","3","4","6","2","1","1") = "5"
    & skf18("3","3","4","6","2","2","1") = "5"
    & skf18("3","3","4","6","2","3","1") = "5"
    & skf18("3","3","4","6","2","4","1") = "5"
    & skf18("3","3","4","6","2","5","1") = "5"
    & skf18("3","3","4","6","2","6","1") = "5"
    & skf18("3","3","4","6","2","7","1") = "6"
    & skf18("3","3","4","6","2","8","1") = "7"
    & skf18("3","3","4","6","2","9","1") = "8"
    & skf18("3","3","4","6","2","10","1") = "9"
    & skf18("3","3","4","6","3","1","1") = "5"
    & skf18("3","3","4","6","3","2","1") = "5"
    & skf18("3","3","4","6","3","3","1") = "5"
    & skf18("3","3","4","6","3","4","1") = "5"
    & skf18("3","3","4","6","3","5","1") = "5"
    & skf18("3","3","4","6","3","6","1") = "5"
    & skf18("3","3","4","6","3","7","1") = "6"
    & skf18("3","3","4","6","3","8","1") = "7"
    & skf18("3","3","4","6","3","9","1") = "8"
    & skf18("3","3","4","6","3","10","1") = "9"
    & skf18("3","3","4","6","4","1","1") = "5"
    & skf18("3","3","4","6","4","2","1") = "5"
    & skf18("3","3","4","6","4","3","1") = "5"
    & skf18("3","3","4","6","4","4","1") = "5"
    & skf18("3","3","4","6","4","5","1") = "5"
    & skf18("3","3","4","6","4","6","1") = "5"
    & skf18("3","3","4","6","4","7","1") = "6"
    & skf18("3","3","4","6","4","8","1") = "7"
    & skf18("3","3","4","6","4","9","1") = "8"
    & skf18("3","3","4","6","4","10","1") = "9"
    & skf18("3","3","4","6","5","1","1") = "5"
    & skf18("3","3","4","6","5","2","1") = "5"
    & skf18("3","3","4","6","5","3","1") = "5"
    & skf18("3","3","4","6","5","4","1") = "5"
    & skf18("3","3","4","6","5","5","1") = "5"
    & skf18("3","3","4","6","5","6","1") = "5"
    & skf18("3","3","4","6","5","7","1") = "6"
    & skf18("3","3","4","6","5","8","1") = "7"
    & skf18("3","3","4","6","5","9","1") = "8"
    & skf18("3","3","4","6","5","10","1") = "9"
    & skf18("3","3","4","6","6","1","1") = "5"
    & skf18("3","3","4","6","6","2","1") = "5"
    & skf18("3","3","4","6","6","3","1") = "5"
    & skf18("3","3","4","6","6","4","1") = "5"
    & skf18("3","3","4","6","6","5","1") = "5"
    & skf18("3","3","4","6","6","6","1") = "5"
    & skf18("3","3","4","6","6","7","1") = "6"
    & skf18("3","3","4","6","6","8","1") = "7"
    & skf18("3","3","4","6","6","9","1") = "8"
    & skf18("3","3","4","6","6","10","1") = "9"
    & skf18("3","3","4","6","7","1","1") = "6"
    & skf18("3","3","4","6","7","2","1") = "6"
    & skf18("3","3","4","6","7","3","1") = "6"
    & skf18("3","3","4","6","7","4","1") = "6"
    & skf18("3","3","4","6","7","5","1") = "6"
    & skf18("3","3","4","6","7","6","1") = "6"
    & skf18("3","3","4","6","7","7","1") = "6"
    & skf18("3","3","4","6","7","8","1") = "7"
    & skf18("3","3","4","6","7","9","1") = "8"
    & skf18("3","3","4","6","7","10","1") = "9"
    & skf18("3","3","4","6","8","1","1") = "7"
    & skf18("3","3","4","6","8","2","1") = "7"
    & skf18("3","3","4","6","8","3","1") = "7"
    & skf18("3","3","4","6","8","4","1") = "7"
    & skf18("3","3","4","6","8","5","1") = "7"
    & skf18("3","3","4","6","8","6","1") = "7"
    & skf18("3","3","4","6","8","7","1") = "7"
    & skf18("3","3","4","6","8","8","1") = "7"
    & skf18("3","3","4","6","8","9","1") = "8"
    & skf18("3","3","4","6","8","10","1") = "9"
    & skf18("3","3","4","6","9","1","1") = "8"
    & skf18("3","3","4","6","9","2","1") = "8"
    & skf18("3","3","4","6","9","3","1") = "8"
    & skf18("3","3","4","6","9","4","1") = "8"
    & skf18("3","3","4","6","9","5","1") = "8"
    & skf18("3","3","4","6","9","6","1") = "8"
    & skf18("3","3","4","6","9","7","1") = "8"
    & skf18("3","3","4","6","9","8","1") = "8"
    & skf18("3","3","4","6","9","9","1") = "8"
    & skf18("3","3","4","6","9","10","1") = "9"
    & skf18("3","3","4","6","10","1","1") = "9"
    & skf18("3","3","4","6","10","2","1") = "9"
    & skf18("3","3","4","6","10","3","1") = "9"
    & skf18("3","3","4","6","10","4","1") = "9"
    & skf18("3","3","4","6","10","5","1") = "9"
    & skf18("3","3","4","6","10","6","1") = "9"
    & skf18("3","3","4","6","10","7","1") = "9"
    & skf18("3","3","4","6","10","8","1") = "9"
    & skf18("3","3","4","6","10","9","1") = "9"
    & skf18("3","3","4","6","10","10","1") = "9"
    & skf18("3","3","4","7","1","1","1") = "6"
    & skf18("3","3","4","7","1","2","1") = "6"
    & skf18("3","3","4","7","1","3","1") = "6"
    & skf18("3","3","4","7","1","4","1") = "6"
    & skf18("3","3","4","7","1","5","1") = "6"
    & skf18("3","3","4","7","1","6","1") = "6"
    & skf18("3","3","4","7","1","7","1") = "6"
    & skf18("3","3","4","7","1","8","1") = "7"
    & skf18("3","3","4","7","1","9","1") = "8"
    & skf18("3","3","4","7","1","10","1") = "9"
    & skf18("3","3","4","7","2","1","1") = "6"
    & skf18("3","3","4","7","2","2","1") = "6"
    & skf18("3","3","4","7","2","3","1") = "6"
    & skf18("3","3","4","7","2","4","1") = "6"
    & skf18("3","3","4","7","2","5","1") = "6"
    & skf18("3","3","4","7","2","6","1") = "6"
    & skf18("3","3","4","7","2","7","1") = "6"
    & skf18("3","3","4","7","2","8","1") = "7"
    & skf18("3","3","4","7","2","9","1") = "8"
    & skf18("3","3","4","7","2","10","1") = "9"
    & skf18("3","3","4","7","3","1","1") = "6"
    & skf18("3","3","4","7","3","2","1") = "6"
    & skf18("3","3","4","7","3","3","1") = "6"
    & skf18("3","3","4","7","3","4","1") = "6"
    & skf18("3","3","4","7","3","5","1") = "6"
    & skf18("3","3","4","7","3","6","1") = "6"
    & skf18("3","3","4","7","3","7","1") = "6"
    & skf18("3","3","4","7","3","8","1") = "7"
    & skf18("3","3","4","7","3","9","1") = "8"
    & skf18("3","3","4","7","3","10","1") = "9"
    & skf18("3","3","4","7","4","1","1") = "6"
    & skf18("3","3","4","7","4","2","1") = "6"
    & skf18("3","3","4","7","4","3","1") = "6"
    & skf18("3","3","4","7","4","4","1") = "6"
    & skf18("3","3","4","7","4","5","1") = "6"
    & skf18("3","3","4","7","4","6","1") = "6"
    & skf18("3","3","4","7","4","7","1") = "6"
    & skf18("3","3","4","7","4","8","1") = "7"
    & skf18("3","3","4","7","4","9","1") = "8"
    & skf18("3","3","4","7","4","10","1") = "9"
    & skf18("3","3","4","7","5","1","1") = "6"
    & skf18("3","3","4","7","5","2","1") = "6"
    & skf18("3","3","4","7","5","3","1") = "6"
    & skf18("3","3","4","7","5","4","1") = "6"
    & skf18("3","3","4","7","5","5","1") = "6"
    & skf18("3","3","4","7","5","6","1") = "6"
    & skf18("3","3","4","7","5","7","1") = "6"
    & skf18("3","3","4","7","5","8","1") = "7"
    & skf18("3","3","4","7","5","9","1") = "8"
    & skf18("3","3","4","7","5","10","1") = "9"
    & skf18("3","3","4","7","6","1","1") = "6"
    & skf18("3","3","4","7","6","2","1") = "6"
    & skf18("3","3","4","7","6","3","1") = "6"
    & skf18("3","3","4","7","6","4","1") = "6"
    & skf18("3","3","4","7","6","5","1") = "6"
    & skf18("3","3","4","7","6","6","1") = "6"
    & skf18("3","3","4","7","6","7","1") = "6"
    & skf18("3","3","4","7","6","8","1") = "7"
    & skf18("3","3","4","7","6","9","1") = "8"
    & skf18("3","3","4","7","6","10","1") = "9"
    & skf18("3","3","4","7","7","1","1") = "6"
    & skf18("3","3","4","7","7","2","1") = "6"
    & skf18("3","3","4","7","7","3","1") = "6"
    & skf18("3","3","4","7","7","4","1") = "6"
    & skf18("3","3","4","7","7","5","1") = "6"
    & skf18("3","3","4","7","7","6","1") = "6"
    & skf18("3","3","4","7","7","7","1") = "6"
    & skf18("3","3","4","7","7","8","1") = "7"
    & skf18("3","3","4","7","7","9","1") = "8"
    & skf18("3","3","4","7","7","10","1") = "9"
    & skf18("3","3","4","7","8","1","1") = "7"
    & skf18("3","3","4","7","8","2","1") = "7"
    & skf18("3","3","4","7","8","3","1") = "7"
    & skf18("3","3","4","7","8","4","1") = "7"
    & skf18("3","3","4","7","8","5","1") = "7"
    & skf18("3","3","4","7","8","6","1") = "7"
    & skf18("3","3","4","7","8","7","1") = "7"
    & skf18("3","3","4","7","8","8","1") = "7"
    & skf18("3","3","4","7","8","9","1") = "8"
    & skf18("3","3","4","7","8","10","1") = "9"
    & skf18("3","3","4","7","9","1","1") = "8"
    & skf18("3","3","4","7","9","2","1") = "8"
    & skf18("3","3","4","7","9","3","1") = "8"
    & skf18("3","3","4","7","9","4","1") = "8"
    & skf18("3","3","4","7","9","5","1") = "8"
    & skf18("3","3","4","7","9","6","1") = "8"
    & skf18("3","3","4","7","9","7","1") = "8"
    & skf18("3","3","4","7","9","8","1") = "8"
    & skf18("3","3","4","7","9","9","1") = "8"
    & skf18("3","3","4","7","9","10","1") = "9"
    & skf18("3","3","4","7","10","1","1") = "9"
    & skf18("3","3","4","7","10","2","1") = "9"
    & skf18("3","3","4","7","10","3","1") = "9"
    & skf18("3","3","4","7","10","4","1") = "9"
    & skf18("3","3","4","7","10","5","1") = "9"
    & skf18("3","3","4","7","10","6","1") = "9"
    & skf18("3","3","4","7","10","7","1") = "9"
    & skf18("3","3","4","7","10","8","1") = "9"
    & skf18("3","3","4","7","10","9","1") = "9"
    & skf18("3","3","4","7","10","10","1") = "9"
    & skf18("3","3","4","8","1","1","1") = "7"
    & skf18("3","3","4","8","1","2","1") = "7"
    & skf18("3","3","4","8","1","3","1") = "7"
    & skf18("3","3","4","8","1","4","1") = "7"
    & skf18("3","3","4","8","1","5","1") = "7"
    & skf18("3","3","4","8","1","6","1") = "7"
    & skf18("3","3","4","8","1","7","1") = "7"
    & skf18("3","3","4","8","1","8","1") = "7"
    & skf18("3","3","4","8","1","9","1") = "8"
    & skf18("3","3","4","8","1","10","1") = "9"
    & skf18("3","3","4","8","2","1","1") = "7"
    & skf18("3","3","4","8","2","2","1") = "7"
    & skf18("3","3","4","8","2","3","1") = "7"
    & skf18("3","3","4","8","2","4","1") = "7"
    & skf18("3","3","4","8","2","5","1") = "7"
    & skf18("3","3","4","8","2","6","1") = "7"
    & skf18("3","3","4","8","2","7","1") = "7"
    & skf18("3","3","4","8","2","8","1") = "7"
    & skf18("3","3","4","8","2","9","1") = "8"
    & skf18("3","3","4","8","2","10","1") = "9"
    & skf18("3","3","4","8","3","1","1") = "7"
    & skf18("3","3","4","8","3","2","1") = "7"
    & skf18("3","3","4","8","3","3","1") = "7"
    & skf18("3","3","4","8","3","4","1") = "7"
    & skf18("3","3","4","8","3","5","1") = "7"
    & skf18("3","3","4","8","3","6","1") = "7"
    & skf18("3","3","4","8","3","7","1") = "7"
    & skf18("3","3","4","8","3","8","1") = "7"
    & skf18("3","3","4","8","3","9","1") = "8"
    & skf18("3","3","4","8","3","10","1") = "9"
    & skf18("3","3","4","8","4","1","1") = "7"
    & skf18("3","3","4","8","4","2","1") = "7"
    & skf18("3","3","4","8","4","3","1") = "7"
    & skf18("3","3","4","8","4","4","1") = "7"
    & skf18("3","3","4","8","4","5","1") = "7"
    & skf18("3","3","4","8","4","6","1") = "7"
    & skf18("3","3","4","8","4","7","1") = "7"
    & skf18("3","3","4","8","4","8","1") = "7"
    & skf18("3","3","4","8","4","9","1") = "8"
    & skf18("3","3","4","8","4","10","1") = "9"
    & skf18("3","3","4","8","5","1","1") = "7"
    & skf18("3","3","4","8","5","2","1") = "7"
    & skf18("3","3","4","8","5","3","1") = "7"
    & skf18("3","3","4","8","5","4","1") = "7"
    & skf18("3","3","4","8","5","5","1") = "7"
    & skf18("3","3","4","8","5","6","1") = "7"
    & skf18("3","3","4","8","5","7","1") = "7"
    & skf18("3","3","4","8","5","8","1") = "7"
    & skf18("3","3","4","8","5","9","1") = "8"
    & skf18("3","3","4","8","5","10","1") = "9"
    & skf18("3","3","4","8","6","1","1") = "7"
    & skf18("3","3","4","8","6","2","1") = "7"
    & skf18("3","3","4","8","6","3","1") = "7"
    & skf18("3","3","4","8","6","4","1") = "7"
    & skf18("3","3","4","8","6","5","1") = "7"
    & skf18("3","3","4","8","6","6","1") = "7"
    & skf18("3","3","4","8","6","7","1") = "7"
    & skf18("3","3","4","8","6","8","1") = "7"
    & skf18("3","3","4","8","6","9","1") = "8"
    & skf18("3","3","4","8","6","10","1") = "9"
    & skf18("3","3","4","8","7","1","1") = "7"
    & skf18("3","3","4","8","7","2","1") = "7"
    & skf18("3","3","4","8","7","3","1") = "7"
    & skf18("3","3","4","8","7","4","1") = "7"
    & skf18("3","3","4","8","7","5","1") = "7"
    & skf18("3","3","4","8","7","6","1") = "7"
    & skf18("3","3","4","8","7","7","1") = "7"
    & skf18("3","3","4","8","7","8","1") = "7"
    & skf18("3","3","4","8","7","9","1") = "8"
    & skf18("3","3","4","8","7","10","1") = "9"
    & skf18("3","3","4","8","8","1","1") = "7"
    & skf18("3","3","4","8","8","2","1") = "7"
    & skf18("3","3","4","8","8","3","1") = "7"
    & skf18("3","3","4","8","8","4","1") = "7"
    & skf18("3","3","4","8","8","5","1") = "7"
    & skf18("3","3","4","8","8","6","1") = "7"
    & skf18("3","3","4","8","8","7","1") = "7"
    & skf18("3","3","4","8","8","8","1") = "7"
    & skf18("3","3","4","8","8","9","1") = "8"
    & skf18("3","3","4","8","8","10","1") = "9"
    & skf18("3","3","4","8","9","1","1") = "8"
    & skf18("3","3","4","8","9","2","1") = "8"
    & skf18("3","3","4","8","9","3","1") = "8"
    & skf18("3","3","4","8","9","4","1") = "8"
    & skf18("3","3","4","8","9","5","1") = "8"
    & skf18("3","3","4","8","9","6","1") = "8"
    & skf18("3","3","4","8","9","7","1") = "8"
    & skf18("3","3","4","8","9","8","1") = "8"
    & skf18("3","3","4","8","9","9","1") = "8"
    & skf18("3","3","4","8","9","10","1") = "9"
    & skf18("3","3","4","8","10","1","1") = "9"
    & skf18("3","3","4","8","10","2","1") = "9"
    & skf18("3","3","4","8","10","3","1") = "9"
    & skf18("3","3","4","8","10","4","1") = "9"
    & skf18("3","3","4","8","10","5","1") = "9"
    & skf18("3","3","4","8","10","6","1") = "9"
    & skf18("3","3","4","8","10","7","1") = "9"
    & skf18("3","3","4","8","10","8","1") = "9"
    & skf18("3","3","4","8","10","9","1") = "9"
    & skf18("3","3","4","8","10","10","1") = "9"
    & skf18("3","3","4","9","1","1","1") = "8"
    & skf18("3","3","4","9","1","2","1") = "8"
    & skf18("3","3","4","9","1","3","1") = "8"
    & skf18("3","3","4","9","1","4","1") = "8"
    & skf18("3","3","4","9","1","5","1") = "8"
    & skf18("3","3","4","9","1","6","1") = "8"
    & skf18("3","3","4","9","1","7","1") = "8"
    & skf18("3","3","4","9","1","8","1") = "8"
    & skf18("3","3","4","9","1","9","1") = "8"
    & skf18("3","3","4","9","1","10","1") = "9"
    & skf18("3","3","4","9","2","1","1") = "8"
    & skf18("3","3","4","9","2","2","1") = "8"
    & skf18("3","3","4","9","2","3","1") = "8"
    & skf18("3","3","4","9","2","4","1") = "8"
    & skf18("3","3","4","9","2","5","1") = "8"
    & skf18("3","3","4","9","2","6","1") = "8"
    & skf18("3","3","4","9","2","7","1") = "8"
    & skf18("3","3","4","9","2","8","1") = "8"
    & skf18("3","3","4","9","2","9","1") = "8"
    & skf18("3","3","4","9","2","10","1") = "9"
    & skf18("3","3","4","9","3","1","1") = "8"
    & skf18("3","3","4","9","3","2","1") = "8"
    & skf18("3","3","4","9","3","3","1") = "8"
    & skf18("3","3","4","9","3","4","1") = "8"
    & skf18("3","3","4","9","3","5","1") = "8"
    & skf18("3","3","4","9","3","6","1") = "8"
    & skf18("3","3","4","9","3","7","1") = "8"
    & skf18("3","3","4","9","3","8","1") = "8"
    & skf18("3","3","4","9","3","9","1") = "8"
    & skf18("3","3","4","9","3","10","1") = "9"
    & skf18("3","3","4","9","4","1","1") = "8"
    & skf18("3","3","4","9","4","2","1") = "8"
    & skf18("3","3","4","9","4","3","1") = "8"
    & skf18("3","3","4","9","4","4","1") = "8"
    & skf18("3","3","4","9","4","5","1") = "8"
    & skf18("3","3","4","9","4","6","1") = "8"
    & skf18("3","3","4","9","4","7","1") = "8"
    & skf18("3","3","4","9","4","8","1") = "8"
    & skf18("3","3","4","9","4","9","1") = "8"
    & skf18("3","3","4","9","4","10","1") = "9"
    & skf18("3","3","4","9","5","1","1") = "8"
    & skf18("3","3","4","9","5","2","1") = "8"
    & skf18("3","3","4","9","5","3","1") = "8"
    & skf18("3","3","4","9","5","4","1") = "8"
    & skf18("3","3","4","9","5","5","1") = "8"
    & skf18("3","3","4","9","5","6","1") = "8"
    & skf18("3","3","4","9","5","7","1") = "8"
    & skf18("3","3","4","9","5","8","1") = "8"
    & skf18("3","3","4","9","5","9","1") = "8"
    & skf18("3","3","4","9","5","10","1") = "9"
    & skf18("3","3","4","9","6","1","1") = "8"
    & skf18("3","3","4","9","6","2","1") = "8"
    & skf18("3","3","4","9","6","3","1") = "8"
    & skf18("3","3","4","9","6","4","1") = "8"
    & skf18("3","3","4","9","6","5","1") = "8"
    & skf18("3","3","4","9","6","6","1") = "8"
    & skf18("3","3","4","9","6","7","1") = "8"
    & skf18("3","3","4","9","6","8","1") = "8"
    & skf18("3","3","4","9","6","9","1") = "8"
    & skf18("3","3","4","9","6","10","1") = "9"
    & skf18("3","3","4","9","7","1","1") = "8"
    & skf18("3","3","4","9","7","2","1") = "8"
    & skf18("3","3","4","9","7","3","1") = "8"
    & skf18("3","3","4","9","7","4","1") = "8"
    & skf18("3","3","4","9","7","5","1") = "8"
    & skf18("3","3","4","9","7","6","1") = "8"
    & skf18("3","3","4","9","7","7","1") = "8"
    & skf18("3","3","4","9","7","8","1") = "8"
    & skf18("3","3","4","9","7","9","1") = "8"
    & skf18("3","3","4","9","7","10","1") = "9"
    & skf18("3","3","4","9","8","1","1") = "8"
    & skf18("3","3","4","9","8","2","1") = "8"
    & skf18("3","3","4","9","8","3","1") = "8"
    & skf18("3","3","4","9","8","4","1") = "8"
    & skf18("3","3","4","9","8","5","1") = "8"
    & skf18("3","3","4","9","8","6","1") = "8"
    & skf18("3","3","4","9","8","7","1") = "8"
    & skf18("3","3","4","9","8","8","1") = "8"
    & skf18("3","3","4","9","8","9","1") = "8"
    & skf18("3","3","4","9","8","10","1") = "9"
    & skf18("3","3","4","9","9","1","1") = "8"
    & skf18("3","3","4","9","9","2","1") = "8"
    & skf18("3","3","4","9","9","3","1") = "8"
    & skf18("3","3","4","9","9","4","1") = "8"
    & skf18("3","3","4","9","9","5","1") = "8"
    & skf18("3","3","4","9","9","6","1") = "8"
    & skf18("3","3","4","9","9","7","1") = "8"
    & skf18("3","3","4","9","9","8","1") = "8"
    & skf18("3","3","4","9","9","9","1") = "8"
    & skf18("3","3","4","9","9","10","1") = "9"
    & skf18("3","3","4","9","10","1","1") = "9"
    & skf18("3","3","4","9","10","2","1") = "9"
    & skf18("3","3","4","9","10","3","1") = "9"
    & skf18("3","3","4","9","10","4","1") = "9"
    & skf18("3","3","4","9","10","5","1") = "9"
    & skf18("3","3","4","9","10","6","1") = "9"
    & skf18("3","3","4","9","10","7","1") = "9"
    & skf18("3","3","4","9","10","8","1") = "9"
    & skf18("3","3","4","9","10","9","1") = "9"
    & skf18("3","3","4","9","10","10","1") = "9"
    & skf18("3","3","4","10","1","1","1") = "9"
    & skf18("3","3","4","10","1","2","1") = "9"
    & skf18("3","3","4","10","1","3","1") = "9"
    & skf18("3","3","4","10","1","4","1") = "9"
    & skf18("3","3","4","10","1","5","1") = "9"
    & skf18("3","3","4","10","1","6","1") = "9"
    & skf18("3","3","4","10","1","7","1") = "9"
    & skf18("3","3","4","10","1","8","1") = "9"
    & skf18("3","3","4","10","1","9","1") = "9"
    & skf18("3","3","4","10","1","10","1") = "9"
    & skf18("3","3","4","10","2","1","1") = "9"
    & skf18("3","3","4","10","2","2","1") = "9"
    & skf18("3","3","4","10","2","3","1") = "9"
    & skf18("3","3","4","10","2","4","1") = "9"
    & skf18("3","3","4","10","2","5","1") = "9"
    & skf18("3","3","4","10","2","6","1") = "9"
    & skf18("3","3","4","10","2","7","1") = "9"
    & skf18("3","3","4","10","2","8","1") = "9"
    & skf18("3","3","4","10","2","9","1") = "9"
    & skf18("3","3","4","10","2","10","1") = "9"
    & skf18("3","3","4","10","3","1","1") = "9"
    & skf18("3","3","4","10","3","2","1") = "9"
    & skf18("3","3","4","10","3","3","1") = "9"
    & skf18("3","3","4","10","3","4","1") = "9"
    & skf18("3","3","4","10","3","5","1") = "9"
    & skf18("3","3","4","10","3","6","1") = "9"
    & skf18("3","3","4","10","3","7","1") = "9"
    & skf18("3","3","4","10","3","8","1") = "9"
    & skf18("3","3","4","10","3","9","1") = "9"
    & skf18("3","3","4","10","3","10","1") = "9"
    & skf18("3","3","4","10","4","1","1") = "9"
    & skf18("3","3","4","10","4","2","1") = "9"
    & skf18("3","3","4","10","4","3","1") = "9"
    & skf18("3","3","4","10","4","4","1") = "9"
    & skf18("3","3","4","10","4","5","1") = "9"
    & skf18("3","3","4","10","4","6","1") = "9"
    & skf18("3","3","4","10","4","7","1") = "9"
    & skf18("3","3","4","10","4","8","1") = "9"
    & skf18("3","3","4","10","4","9","1") = "9"
    & skf18("3","3","4","10","4","10","1") = "9"
    & skf18("3","3","4","10","5","1","1") = "9"
    & skf18("3","3","4","10","5","2","1") = "9"
    & skf18("3","3","4","10","5","3","1") = "9"
    & skf18("3","3","4","10","5","4","1") = "9"
    & skf18("3","3","4","10","5","5","1") = "9"
    & skf18("3","3","4","10","5","6","1") = "9"
    & skf18("3","3","4","10","5","7","1") = "9"
    & skf18("3","3","4","10","5","8","1") = "9"
    & skf18("3","3","4","10","5","9","1") = "9"
    & skf18("3","3","4","10","5","10","1") = "9"
    & skf18("3","3","4","10","6","1","1") = "9"
    & skf18("3","3","4","10","6","2","1") = "9"
    & skf18("3","3","4","10","6","3","1") = "9"
    & skf18("3","3","4","10","6","4","1") = "9"
    & skf18("3","3","4","10","6","5","1") = "9"
    & skf18("3","3","4","10","6","6","1") = "9"
    & skf18("3","3","4","10","6","7","1") = "9"
    & skf18("3","3","4","10","6","8","1") = "9"
    & skf18("3","3","4","10","6","9","1") = "9"
    & skf18("3","3","4","10","6","10","1") = "9"
    & skf18("3","3","4","10","7","1","1") = "9"
    & skf18("3","3","4","10","7","2","1") = "9"
    & skf18("3","3","4","10","7","3","1") = "9"
    & skf18("3","3","4","10","7","4","1") = "9"
    & skf18("3","3","4","10","7","5","1") = "9"
    & skf18("3","3","4","10","7","6","1") = "9"
    & skf18("3","3","4","10","7","7","1") = "9"
    & skf18("3","3","4","10","7","8","1") = "9"
    & skf18("3","3","4","10","7","9","1") = "9"
    & skf18("3","3","4","10","7","10","1") = "9"
    & skf18("3","3","4","10","8","1","1") = "9"
    & skf18("3","3","4","10","8","2","1") = "9"
    & skf18("3","3","4","10","8","3","1") = "9"
    & skf18("3","3","4","10","8","4","1") = "9"
    & skf18("3","3","4","10","8","5","1") = "9"
    & skf18("3","3","4","10","8","6","1") = "9"
    & skf18("3","3","4","10","8","7","1") = "9"
    & skf18("3","3","4","10","8","8","1") = "9"
    & skf18("3","3","4","10","8","9","1") = "9"
    & skf18("3","3","4","10","8","10","1") = "9"
    & skf18("3","3","4","10","9","1","1") = "9"
    & skf18("3","3","4","10","9","2","1") = "9"
    & skf18("3","3","4","10","9","3","1") = "9"
    & skf18("3","3","4","10","9","4","1") = "9"
    & skf18("3","3","4","10","9","5","1") = "9"
    & skf18("3","3","4","10","9","6","1") = "9"
    & skf18("3","3","4","10","9","7","1") = "9"
    & skf18("3","3","4","10","9","8","1") = "9"
    & skf18("3","3","4","10","9","9","1") = "9"
    & skf18("3","3","4","10","9","10","1") = "9"
    & skf18("3","3","4","10","10","1","1") = "9"
    & skf18("3","3","4","10","10","2","1") = "9"
    & skf18("3","3","4","10","10","3","1") = "9"
    & skf18("3","3","4","10","10","4","1") = "9"
    & skf18("3","3","4","10","10","5","1") = "9"
    & skf18("3","3","4","10","10","6","1") = "9"
    & skf18("3","3","4","10","10","7","1") = "9"
    & skf18("3","3","4","10","10","8","1") = "9"
    & skf18("3","3","4","10","10","9","1") = "9"
    & skf18("3","3","4","10","10","10","1") = "9"
    & skf18("3","3","5","1","1","1","1") = "4"
    & skf18("3","3","5","1","1","2","1") = "4"
    & skf18("3","3","5","1","1","3","1") = "4"
    & skf18("3","3","5","1","1","4","1") = "4"
    & skf18("3","3","5","1","1","5","1") = "4"
    & skf18("3","3","5","1","1","6","1") = "5"
    & skf18("3","3","5","1","1","7","1") = "6"
    & skf18("3","3","5","1","1","8","1") = "7"
    & skf18("3","3","5","1","1","9","1") = "8"
    & skf18("3","3","5","1","1","10","1") = "9"
    & skf18("3","3","5","1","2","1","1") = "4"
    & skf18("3","3","5","1","2","2","1") = "4"
    & skf18("3","3","5","1","2","3","1") = "4"
    & skf18("3","3","5","1","2","4","1") = "4"
    & skf18("3","3","5","1","2","5","1") = "4"
    & skf18("3","3","5","1","2","6","1") = "5"
    & skf18("3","3","5","1","2","7","1") = "6"
    & skf18("3","3","5","1","2","8","1") = "7"
    & skf18("3","3","5","1","2","9","1") = "8"
    & skf18("3","3","5","1","2","10","1") = "9"
    & skf18("3","3","5","1","3","1","1") = "4"
    & skf18("3","3","5","1","3","2","1") = "4"
    & skf18("3","3","5","1","3","3","1") = "4"
    & skf18("3","3","5","1","3","4","1") = "4"
    & skf18("3","3","5","1","3","5","1") = "4"
    & skf18("3","3","5","1","3","6","1") = "5"
    & skf18("3","3","5","1","3","7","1") = "6"
    & skf18("3","3","5","1","3","8","1") = "7"
    & skf18("3","3","5","1","3","9","1") = "8"
    & skf18("3","3","5","1","3","10","1") = "9"
    & skf18("3","3","5","1","4","1","1") = "4"
    & skf18("3","3","5","1","4","2","1") = "4"
    & skf18("3","3","5","1","4","3","1") = "4"
    & skf18("3","3","5","1","4","4","1") = "4"
    & skf18("3","3","5","1","4","5","1") = "4"
    & skf18("3","3","5","1","4","6","1") = "5"
    & skf18("3","3","5","1","4","7","1") = "6"
    & skf18("3","3","5","1","4","8","1") = "7"
    & skf18("3","3","5","1","4","9","1") = "8"
    & skf18("3","3","5","1","4","10","1") = "9"
    & skf18("3","3","5","1","5","1","1") = "4"
    & skf18("3","3","5","1","5","2","1") = "4"
    & skf18("3","3","5","1","5","3","1") = "4"
    & skf18("3","3","5","1","5","4","1") = "4"
    & skf18("3","3","5","1","5","5","1") = "4"
    & skf18("3","3","5","1","5","6","1") = "5"
    & skf18("3","3","5","1","5","7","1") = "6"
    & skf18("3","3","5","1","5","8","1") = "7"
    & skf18("3","3","5","1","5","9","1") = "8"
    & skf18("3","3","5","1","5","10","1") = "9"
    & skf18("3","3","5","1","6","1","1") = "5"
    & skf18("3","3","5","1","6","2","1") = "5"
    & skf18("3","3","5","1","6","3","1") = "5"
    & skf18("3","3","5","1","6","4","1") = "5"
    & skf18("3","3","5","1","6","5","1") = "5"
    & skf18("3","3","5","1","6","6","1") = "5"
    & skf18("3","3","5","1","6","7","1") = "6"
    & skf18("3","3","5","1","6","8","1") = "7"
    & skf18("3","3","5","1","6","9","1") = "8"
    & skf18("3","3","5","1","6","10","1") = "9"
    & skf18("3","3","5","1","7","1","1") = "6"
    & skf18("3","3","5","1","7","2","1") = "6"
    & skf18("3","3","5","1","7","3","1") = "6"
    & skf18("3","3","5","1","7","4","1") = "6"
    & skf18("3","3","5","1","7","5","1") = "6"
    & skf18("3","3","5","1","7","6","1") = "6"
    & skf18("3","3","5","1","7","7","1") = "6"
    & skf18("3","3","5","1","7","8","1") = "7"
    & skf18("3","3","5","1","7","9","1") = "8"
    & skf18("3","3","5","1","7","10","1") = "9"
    & skf18("3","3","5","1","8","1","1") = "7"
    & skf18("3","3","5","1","8","2","1") = "7"
    & skf18("3","3","5","1","8","3","1") = "7"
    & skf18("3","3","5","1","8","4","1") = "7"
    & skf18("3","3","5","1","8","5","1") = "7"
    & skf18("3","3","5","1","8","6","1") = "7"
    & skf18("3","3","5","1","8","7","1") = "7"
    & skf18("3","3","5","1","8","8","1") = "7"
    & skf18("3","3","5","1","8","9","1") = "8"
    & skf18("3","3","5","1","8","10","1") = "9"
    & skf18("3","3","5","1","9","1","1") = "8"
    & skf18("3","3","5","1","9","2","1") = "8"
    & skf18("3","3","5","1","9","3","1") = "8"
    & skf18("3","3","5","1","9","4","1") = "8"
    & skf18("3","3","5","1","9","5","1") = "8"
    & skf18("3","3","5","1","9","6","1") = "8"
    & skf18("3","3","5","1","9","7","1") = "8"
    & skf18("3","3","5","1","9","8","1") = "8"
    & skf18("3","3","5","1","9","9","1") = "8"
    & skf18("3","3","5","1","9","10","1") = "9"
    & skf18("3","3","5","1","10","1","1") = "9"
    & skf18("3","3","5","1","10","2","1") = "9"
    & skf18("3","3","5","1","10","3","1") = "9"
    & skf18("3","3","5","1","10","4","1") = "9"
    & skf18("3","3","5","1","10","5","1") = "9"
    & skf18("3","3","5","1","10","6","1") = "9"
    & skf18("3","3","5","1","10","7","1") = "9"
    & skf18("3","3","5","1","10","8","1") = "9"
    & skf18("3","3","5","1","10","9","1") = "9"
    & skf18("3","3","5","1","10","10","1") = "9"
    & skf18("3","3","5","2","1","1","1") = "4"
    & skf18("3","3","5","2","1","2","1") = "4"
    & skf18("3","3","5","2","1","3","1") = "4"
    & skf18("3","3","5","2","1","4","1") = "4"
    & skf18("3","3","5","2","1","5","1") = "4"
    & skf18("3","3","5","2","1","6","1") = "5"
    & skf18("3","3","5","2","1","7","1") = "6"
    & skf18("3","3","5","2","1","8","1") = "7"
    & skf18("3","3","5","2","1","9","1") = "8"
    & skf18("3","3","5","2","1","10","1") = "9"
    & skf18("3","3","5","2","2","1","1") = "4"
    & skf18("3","3","5","2","2","2","1") = "4"
    & skf18("3","3","5","2","2","3","1") = "4"
    & skf18("3","3","5","2","2","4","1") = "4"
    & skf18("3","3","5","2","2","5","1") = "4"
    & skf18("3","3","5","2","2","6","1") = "5"
    & skf18("3","3","5","2","2","7","1") = "6"
    & skf18("3","3","5","2","2","8","1") = "7"
    & skf18("3","3","5","2","2","9","1") = "8"
    & skf18("3","3","5","2","2","10","1") = "9"
    & skf18("3","3","5","2","3","1","1") = "4"
    & skf18("3","3","5","2","3","2","1") = "4"
    & skf18("3","3","5","2","3","3","1") = "4"
    & skf18("3","3","5","2","3","4","1") = "4"
    & skf18("3","3","5","2","3","5","1") = "4"
    & skf18("3","3","5","2","3","6","1") = "5"
    & skf18("3","3","5","2","3","7","1") = "6"
    & skf18("3","3","5","2","3","8","1") = "7"
    & skf18("3","3","5","2","3","9","1") = "8"
    & skf18("3","3","5","2","3","10","1") = "9"
    & skf18("3","3","5","2","4","1","1") = "4"
    & skf18("3","3","5","2","4","2","1") = "4"
    & skf18("3","3","5","2","4","3","1") = "4"
    & skf18("3","3","5","2","4","4","1") = "4"
    & skf18("3","3","5","2","4","5","1") = "4"
    & skf18("3","3","5","2","4","6","1") = "5"
    & skf18("3","3","5","2","4","7","1") = "6"
    & skf18("3","3","5","2","4","8","1") = "7"
    & skf18("3","3","5","2","4","9","1") = "8"
    & skf18("3","3","5","2","4","10","1") = "9"
    & skf18("3","3","5","2","5","1","1") = "4"
    & skf18("3","3","5","2","5","2","1") = "4"
    & skf18("3","3","5","2","5","3","1") = "4"
    & skf18("3","3","5","2","5","4","1") = "4"
    & skf18("3","3","5","2","5","5","1") = "4"
    & skf18("3","3","5","2","5","6","1") = "5"
    & skf18("3","3","5","2","5","7","1") = "6"
    & skf18("3","3","5","2","5","8","1") = "7"
    & skf18("3","3","5","2","5","9","1") = "8"
    & skf18("3","3","5","2","5","10","1") = "9"
    & skf18("3","3","5","2","6","1","1") = "5"
    & skf18("3","3","5","2","6","2","1") = "5"
    & skf18("3","3","5","2","6","3","1") = "5"
    & skf18("3","3","5","2","6","4","1") = "5"
    & skf18("3","3","5","2","6","5","1") = "5"
    & skf18("3","3","5","2","6","6","1") = "5"
    & skf18("3","3","5","2","6","7","1") = "6"
    & skf18("3","3","5","2","6","8","1") = "7"
    & skf18("3","3","5","2","6","9","1") = "8"
    & skf18("3","3","5","2","6","10","1") = "9"
    & skf18("3","3","5","2","7","1","1") = "6"
    & skf18("3","3","5","2","7","2","1") = "6"
    & skf18("3","3","5","2","7","3","1") = "6"
    & skf18("3","3","5","2","7","4","1") = "6"
    & skf18("3","3","5","2","7","5","1") = "6"
    & skf18("3","3","5","2","7","6","1") = "6"
    & skf18("3","3","5","2","7","7","1") = "6"
    & skf18("3","3","5","2","7","8","1") = "7"
    & skf18("3","3","5","2","7","9","1") = "8"
    & skf18("3","3","5","2","7","10","1") = "9"
    & skf18("3","3","5","2","8","1","1") = "7"
    & skf18("3","3","5","2","8","2","1") = "7"
    & skf18("3","3","5","2","8","3","1") = "7"
    & skf18("3","3","5","2","8","4","1") = "7"
    & skf18("3","3","5","2","8","5","1") = "7"
    & skf18("3","3","5","2","8","6","1") = "7"
    & skf18("3","3","5","2","8","7","1") = "7"
    & skf18("3","3","5","2","8","8","1") = "7"
    & skf18("3","3","5","2","8","9","1") = "8"
    & skf18("3","3","5","2","8","10","1") = "9"
    & skf18("3","3","5","2","9","1","1") = "8"
    & skf18("3","3","5","2","9","2","1") = "8"
    & skf18("3","3","5","2","9","3","1") = "8"
    & skf18("3","3","5","2","9","4","1") = "8"
    & skf18("3","3","5","2","9","5","1") = "8"
    & skf18("3","3","5","2","9","6","1") = "8"
    & skf18("3","3","5","2","9","7","1") = "8"
    & skf18("3","3","5","2","9","8","1") = "8"
    & skf18("3","3","5","2","9","9","1") = "8"
    & skf18("3","3","5","2","9","10","1") = "9"
    & skf18("3","3","5","2","10","1","1") = "9"
    & skf18("3","3","5","2","10","2","1") = "9"
    & skf18("3","3","5","2","10","3","1") = "9"
    & skf18("3","3","5","2","10","4","1") = "9"
    & skf18("3","3","5","2","10","5","1") = "9"
    & skf18("3","3","5","2","10","6","1") = "9"
    & skf18("3","3","5","2","10","7","1") = "9"
    & skf18("3","3","5","2","10","8","1") = "9"
    & skf18("3","3","5","2","10","9","1") = "9"
    & skf18("3","3","5","2","10","10","1") = "9"
    & skf18("3","3","5","3","1","1","1") = "4"
    & skf18("3","3","5","3","1","2","1") = "4"
    & skf18("3","3","5","3","1","3","1") = "4"
    & skf18("3","3","5","3","1","4","1") = "4"
    & skf18("3","3","5","3","1","5","1") = "4"
    & skf18("3","3","5","3","1","6","1") = "5"
    & skf18("3","3","5","3","1","7","1") = "6"
    & skf18("3","3","5","3","1","8","1") = "7"
    & skf18("3","3","5","3","1","9","1") = "8"
    & skf18("3","3","5","3","1","10","1") = "9"
    & skf18("3","3","5","3","2","1","1") = "4"
    & skf18("3","3","5","3","2","2","1") = "4"
    & skf18("3","3","5","3","2","3","1") = "4"
    & skf18("3","3","5","3","2","4","1") = "4"
    & skf18("3","3","5","3","2","5","1") = "4"
    & skf18("3","3","5","3","2","6","1") = "5"
    & skf18("3","3","5","3","2","7","1") = "6"
    & skf18("3","3","5","3","2","8","1") = "7"
    & skf18("3","3","5","3","2","9","1") = "8"
    & skf18("3","3","5","3","2","10","1") = "9"
    & skf18("3","3","5","3","3","1","1") = "4"
    & skf18("3","3","5","3","3","2","1") = "4"
    & skf18("3","3","5","3","3","3","1") = "4"
    & skf18("3","3","5","3","3","4","1") = "4"
    & skf18("3","3","5","3","3","5","1") = "4"
    & skf18("3","3","5","3","3","6","1") = "5"
    & skf18("3","3","5","3","3","7","1") = "6"
    & skf18("3","3","5","3","3","8","1") = "7"
    & skf18("3","3","5","3","3","9","1") = "8"
    & skf18("3","3","5","3","3","10","1") = "9"
    & skf18("3","3","5","3","4","1","1") = "4"
    & skf18("3","3","5","3","4","2","1") = "4"
    & skf18("3","3","5","3","4","3","1") = "4"
    & skf18("3","3","5","3","4","4","1") = "4"
    & skf18("3","3","5","3","4","5","1") = "4"
    & skf18("3","3","5","3","4","6","1") = "5"
    & skf18("3","3","5","3","4","7","1") = "6"
    & skf18("3","3","5","3","4","8","1") = "7"
    & skf18("3","3","5","3","4","9","1") = "8"
    & skf18("3","3","5","3","4","10","1") = "9"
    & skf18("3","3","5","3","5","1","1") = "4"
    & skf18("3","3","5","3","5","2","1") = "4"
    & skf18("3","3","5","3","5","3","1") = "4"
    & skf18("3","3","5","3","5","4","1") = "4"
    & skf18("3","3","5","3","5","5","1") = "4"
    & skf18("3","3","5","3","5","6","1") = "5"
    & skf18("3","3","5","3","5","7","1") = "6"
    & skf18("3","3","5","3","5","8","1") = "7"
    & skf18("3","3","5","3","5","9","1") = "8"
    & skf18("3","3","5","3","5","10","1") = "9"
    & skf18("3","3","5","3","6","1","1") = "5"
    & skf18("3","3","5","3","6","2","1") = "5"
    & skf18("3","3","5","3","6","3","1") = "5"
    & skf18("3","3","5","3","6","4","1") = "5"
    & skf18("3","3","5","3","6","5","1") = "5"
    & skf18("3","3","5","3","6","6","1") = "5"
    & skf18("3","3","5","3","6","7","1") = "6"
    & skf18("3","3","5","3","6","8","1") = "7"
    & skf18("3","3","5","3","6","9","1") = "8"
    & skf18("3","3","5","3","6","10","1") = "9"
    & skf18("3","3","5","3","7","1","1") = "6"
    & skf18("3","3","5","3","7","2","1") = "6"
    & skf18("3","3","5","3","7","3","1") = "6"
    & skf18("3","3","5","3","7","4","1") = "6"
    & skf18("3","3","5","3","7","5","1") = "6"
    & skf18("3","3","5","3","7","6","1") = "6"
    & skf18("3","3","5","3","7","7","1") = "6"
    & skf18("3","3","5","3","7","8","1") = "7"
    & skf18("3","3","5","3","7","9","1") = "8"
    & skf18("3","3","5","3","7","10","1") = "9"
    & skf18("3","3","5","3","8","1","1") = "7"
    & skf18("3","3","5","3","8","2","1") = "7"
    & skf18("3","3","5","3","8","3","1") = "7"
    & skf18("3","3","5","3","8","4","1") = "7"
    & skf18("3","3","5","3","8","5","1") = "7"
    & skf18("3","3","5","3","8","6","1") = "7"
    & skf18("3","3","5","3","8","7","1") = "7"
    & skf18("3","3","5","3","8","8","1") = "7"
    & skf18("3","3","5","3","8","9","1") = "8"
    & skf18("3","3","5","3","8","10","1") = "9"
    & skf18("3","3","5","3","9","1","1") = "8"
    & skf18("3","3","5","3","9","2","1") = "8"
    & skf18("3","3","5","3","9","3","1") = "8"
    & skf18("3","3","5","3","9","4","1") = "8"
    & skf18("3","3","5","3","9","5","1") = "8"
    & skf18("3","3","5","3","9","6","1") = "8"
    & skf18("3","3","5","3","9","7","1") = "8"
    & skf18("3","3","5","3","9","8","1") = "8"
    & skf18("3","3","5","3","9","9","1") = "8"
    & skf18("3","3","5","3","9","10","1") = "9"
    & skf18("3","3","5","3","10","1","1") = "9"
    & skf18("3","3","5","3","10","2","1") = "9"
    & skf18("3","3","5","3","10","3","1") = "9"
    & skf18("3","3","5","3","10","4","1") = "9"
    & skf18("3","3","5","3","10","5","1") = "9"
    & skf18("3","3","5","3","10","6","1") = "9"
    & skf18("3","3","5","3","10","7","1") = "9"
    & skf18("3","3","5","3","10","8","1") = "9"
    & skf18("3","3","5","3","10","9","1") = "9"
    & skf18("3","3","5","3","10","10","1") = "9"
    & skf18("3","3","5","4","1","1","1") = "4"
    & skf18("3","3","5","4","1","2","1") = "4"
    & skf18("3","3","5","4","1","3","1") = "4"
    & skf18("3","3","5","4","1","4","1") = "4"
    & skf18("3","3","5","4","1","5","1") = "4"
    & skf18("3","3","5","4","1","6","1") = "5"
    & skf18("3","3","5","4","1","7","1") = "6"
    & skf18("3","3","5","4","1","8","1") = "7"
    & skf18("3","3","5","4","1","9","1") = "8"
    & skf18("3","3","5","4","1","10","1") = "9"
    & skf18("3","3","5","4","2","1","1") = "4"
    & skf18("3","3","5","4","2","2","1") = "4"
    & skf18("3","3","5","4","2","3","1") = "4"
    & skf18("3","3","5","4","2","4","1") = "4"
    & skf18("3","3","5","4","2","5","1") = "4"
    & skf18("3","3","5","4","2","6","1") = "5"
    & skf18("3","3","5","4","2","7","1") = "6"
    & skf18("3","3","5","4","2","8","1") = "7"
    & skf18("3","3","5","4","2","9","1") = "8"
    & skf18("3","3","5","4","2","10","1") = "9"
    & skf18("3","3","5","4","3","1","1") = "4"
    & skf18("3","3","5","4","3","2","1") = "4"
    & skf18("3","3","5","4","3","3","1") = "4"
    & skf18("3","3","5","4","3","4","1") = "4"
    & skf18("3","3","5","4","3","5","1") = "4"
    & skf18("3","3","5","4","3","6","1") = "5"
    & skf18("3","3","5","4","3","7","1") = "6"
    & skf18("3","3","5","4","3","8","1") = "7"
    & skf18("3","3","5","4","3","9","1") = "8"
    & skf18("3","3","5","4","3","10","1") = "9"
    & skf18("3","3","5","4","4","1","1") = "4"
    & skf18("3","3","5","4","4","2","1") = "4"
    & skf18("3","3","5","4","4","3","1") = "4"
    & skf18("3","3","5","4","4","4","1") = "4"
    & skf18("3","3","5","4","4","5","1") = "4"
    & skf18("3","3","5","4","4","6","1") = "5"
    & skf18("3","3","5","4","4","7","1") = "6"
    & skf18("3","3","5","4","4","8","1") = "7"
    & skf18("3","3","5","4","4","9","1") = "8"
    & skf18("3","3","5","4","4","10","1") = "9"
    & skf18("3","3","5","4","5","1","1") = "4"
    & skf18("3","3","5","4","5","2","1") = "4"
    & skf18("3","3","5","4","5","3","1") = "4"
    & skf18("3","3","5","4","5","4","1") = "4"
    & skf18("3","3","5","4","5","5","1") = "4"
    & skf18("3","3","5","4","5","6","1") = "5"
    & skf18("3","3","5","4","5","7","1") = "6"
    & skf18("3","3","5","4","5","8","1") = "7"
    & skf18("3","3","5","4","5","9","1") = "8"
    & skf18("3","3","5","4","5","10","1") = "9"
    & skf18("3","3","5","4","6","1","1") = "5"
    & skf18("3","3","5","4","6","2","1") = "5"
    & skf18("3","3","5","4","6","3","1") = "5"
    & skf18("3","3","5","4","6","4","1") = "5"
    & skf18("3","3","5","4","6","5","1") = "5"
    & skf18("3","3","5","4","6","6","1") = "5"
    & skf18("3","3","5","4","6","7","1") = "6"
    & skf18("3","3","5","4","6","8","1") = "7"
    & skf18("3","3","5","4","6","9","1") = "8"
    & skf18("3","3","5","4","6","10","1") = "9"
    & skf18("3","3","5","4","7","1","1") = "6"
    & skf18("3","3","5","4","7","2","1") = "6"
    & skf18("3","3","5","4","7","3","1") = "6"
    & skf18("3","3","5","4","7","4","1") = "6"
    & skf18("3","3","5","4","7","5","1") = "6"
    & skf18("3","3","5","4","7","6","1") = "6"
    & skf18("3","3","5","4","7","7","1") = "6"
    & skf18("3","3","5","4","7","8","1") = "7"
    & skf18("3","3","5","4","7","9","1") = "8"
    & skf18("3","3","5","4","7","10","1") = "9"
    & skf18("3","3","5","4","8","1","1") = "7"
    & skf18("3","3","5","4","8","2","1") = "7"
    & skf18("3","3","5","4","8","3","1") = "7"
    & skf18("3","3","5","4","8","4","1") = "7"
    & skf18("3","3","5","4","8","5","1") = "7"
    & skf18("3","3","5","4","8","6","1") = "7"
    & skf18("3","3","5","4","8","7","1") = "7"
    & skf18("3","3","5","4","8","8","1") = "7"
    & skf18("3","3","5","4","8","9","1") = "8"
    & skf18("3","3","5","4","8","10","1") = "9"
    & skf18("3","3","5","4","9","1","1") = "8"
    & skf18("3","3","5","4","9","2","1") = "8"
    & skf18("3","3","5","4","9","3","1") = "8"
    & skf18("3","3","5","4","9","4","1") = "8"
    & skf18("3","3","5","4","9","5","1") = "8"
    & skf18("3","3","5","4","9","6","1") = "8"
    & skf18("3","3","5","4","9","7","1") = "8"
    & skf18("3","3","5","4","9","8","1") = "8"
    & skf18("3","3","5","4","9","9","1") = "8"
    & skf18("3","3","5","4","9","10","1") = "9"
    & skf18("3","3","5","4","10","1","1") = "9"
    & skf18("3","3","5","4","10","2","1") = "9"
    & skf18("3","3","5","4","10","3","1") = "9"
    & skf18("3","3","5","4","10","4","1") = "9"
    & skf18("3","3","5","4","10","5","1") = "9"
    & skf18("3","3","5","4","10","6","1") = "9"
    & skf18("3","3","5","4","10","7","1") = "9"
    & skf18("3","3","5","4","10","8","1") = "9"
    & skf18("3","3","5","4","10","9","1") = "9"
    & skf18("3","3","5","4","10","10","1") = "9"
    & skf18("3","3","5","5","1","1","1") = "4"
    & skf18("3","3","5","5","1","2","1") = "4"
    & skf18("3","3","5","5","1","3","1") = "4"
    & skf18("3","3","5","5","1","4","1") = "4"
    & skf18("3","3","5","5","1","5","1") = "4"
    & skf18("3","3","5","5","1","6","1") = "5"
    & skf18("3","3","5","5","1","7","1") = "6"
    & skf18("3","3","5","5","1","8","1") = "7"
    & skf18("3","3","5","5","1","9","1") = "8"
    & skf18("3","3","5","5","1","10","1") = "9"
    & skf18("3","3","5","5","2","1","1") = "4"
    & skf18("3","3","5","5","2","2","1") = "4"
    & skf18("3","3","5","5","2","3","1") = "4"
    & skf18("3","3","5","5","2","4","1") = "4"
    & skf18("3","3","5","5","2","5","1") = "4"
    & skf18("3","3","5","5","2","6","1") = "5"
    & skf18("3","3","5","5","2","7","1") = "6"
    & skf18("3","3","5","5","2","8","1") = "7"
    & skf18("3","3","5","5","2","9","1") = "8"
    & skf18("3","3","5","5","2","10","1") = "9"
    & skf18("3","3","5","5","3","1","1") = "4"
    & skf18("3","3","5","5","3","2","1") = "4"
    & skf18("3","3","5","5","3","3","1") = "4"
    & skf18("3","3","5","5","3","4","1") = "4"
    & skf18("3","3","5","5","3","5","1") = "4"
    & skf18("3","3","5","5","3","6","1") = "5"
    & skf18("3","3","5","5","3","7","1") = "6"
    & skf18("3","3","5","5","3","8","1") = "7"
    & skf18("3","3","5","5","3","9","1") = "8"
    & skf18("3","3","5","5","3","10","1") = "9"
    & skf18("3","3","5","5","4","1","1") = "4"
    & skf18("3","3","5","5","4","2","1") = "4"
    & skf18("3","3","5","5","4","3","1") = "4"
    & skf18("3","3","5","5","4","4","1") = "4"
    & skf18("3","3","5","5","4","5","1") = "4"
    & skf18("3","3","5","5","4","6","1") = "5"
    & skf18("3","3","5","5","4","7","1") = "6"
    & skf18("3","3","5","5","4","8","1") = "7"
    & skf18("3","3","5","5","4","9","1") = "8"
    & skf18("3","3","5","5","4","10","1") = "9"
    & skf18("3","3","5","5","5","1","1") = "4"
    & skf18("3","3","5","5","5","2","1") = "4"
    & skf18("3","3","5","5","5","3","1") = "4"
    & skf18("3","3","5","5","5","4","1") = "4"
    & skf18("3","3","5","5","5","5","1") = "4"
    & skf18("3","3","5","5","5","6","1") = "5"
    & skf18("3","3","5","5","5","7","1") = "6"
    & skf18("3","3","5","5","5","8","1") = "7"
    & skf18("3","3","5","5","5","9","1") = "8"
    & skf18("3","3","5","5","5","10","1") = "9"
    & skf18("3","3","5","5","6","1","1") = "5"
    & skf18("3","3","5","5","6","2","1") = "5"
    & skf18("3","3","5","5","6","3","1") = "5"
    & skf18("3","3","5","5","6","4","1") = "5"
    & skf18("3","3","5","5","6","5","1") = "5"
    & skf18("3","3","5","5","6","6","1") = "5"
    & skf18("3","3","5","5","6","7","1") = "6"
    & skf18("3","3","5","5","6","8","1") = "7"
    & skf18("3","3","5","5","6","9","1") = "8"
    & skf18("3","3","5","5","6","10","1") = "9"
    & skf18("3","3","5","5","7","1","1") = "6"
    & skf18("3","3","5","5","7","2","1") = "6"
    & skf18("3","3","5","5","7","3","1") = "6"
    & skf18("3","3","5","5","7","4","1") = "6"
    & skf18("3","3","5","5","7","5","1") = "6"
    & skf18("3","3","5","5","7","6","1") = "6"
    & skf18("3","3","5","5","7","7","1") = "6"
    & skf18("3","3","5","5","7","8","1") = "7"
    & skf18("3","3","5","5","7","9","1") = "8"
    & skf18("3","3","5","5","7","10","1") = "9"
    & skf18("3","3","5","5","8","1","1") = "7"
    & skf18("3","3","5","5","8","2","1") = "7"
    & skf18("3","3","5","5","8","3","1") = "7"
    & skf18("3","3","5","5","8","4","1") = "7"
    & skf18("3","3","5","5","8","5","1") = "7"
    & skf18("3","3","5","5","8","6","1") = "7"
    & skf18("3","3","5","5","8","7","1") = "7"
    & skf18("3","3","5","5","8","8","1") = "7"
    & skf18("3","3","5","5","8","9","1") = "8"
    & skf18("3","3","5","5","8","10","1") = "9"
    & skf18("3","3","5","5","9","1","1") = "8"
    & skf18("3","3","5","5","9","2","1") = "8"
    & skf18("3","3","5","5","9","3","1") = "8"
    & skf18("3","3","5","5","9","4","1") = "8"
    & skf18("3","3","5","5","9","5","1") = "8"
    & skf18("3","3","5","5","9","6","1") = "8"
    & skf18("3","3","5","5","9","7","1") = "8"
    & skf18("3","3","5","5","9","8","1") = "8"
    & skf18("3","3","5","5","9","9","1") = "8"
    & skf18("3","3","5","5","9","10","1") = "9"
    & skf18("3","3","5","5","10","1","1") = "9"
    & skf18("3","3","5","5","10","2","1") = "9"
    & skf18("3","3","5","5","10","3","1") = "9"
    & skf18("3","3","5","5","10","4","1") = "9"
    & skf18("3","3","5","5","10","5","1") = "9"
    & skf18("3","3","5","5","10","6","1") = "9"
    & skf18("3","3","5","5","10","7","1") = "9"
    & skf18("3","3","5","5","10","8","1") = "9"
    & skf18("3","3","5","5","10","9","1") = "9"
    & skf18("3","3","5","5","10","10","1") = "9"
    & skf18("3","3","5","6","1","1","1") = "5"
    & skf18("3","3","5","6","1","2","1") = "5"
    & skf18("3","3","5","6","1","3","1") = "5"
    & skf18("3","3","5","6","1","4","1") = "5"
    & skf18("3","3","5","6","1","5","1") = "5"
    & skf18("3","3","5","6","1","6","1") = "5"
    & skf18("3","3","5","6","1","7","1") = "6"
    & skf18("3","3","5","6","1","8","1") = "7"
    & skf18("3","3","5","6","1","9","1") = "8"
    & skf18("3","3","5","6","1","10","1") = "9"
    & skf18("3","3","5","6","2","1","1") = "5"
    & skf18("3","3","5","6","2","2","1") = "5"
    & skf18("3","3","5","6","2","3","1") = "5"
    & skf18("3","3","5","6","2","4","1") = "5"
    & skf18("3","3","5","6","2","5","1") = "5"
    & skf18("3","3","5","6","2","6","1") = "5"
    & skf18("3","3","5","6","2","7","1") = "6"
    & skf18("3","3","5","6","2","8","1") = "7"
    & skf18("3","3","5","6","2","9","1") = "8"
    & skf18("3","3","5","6","2","10","1") = "9"
    & skf18("3","3","5","6","3","1","1") = "5"
    & skf18("3","3","5","6","3","2","1") = "5"
    & skf18("3","3","5","6","3","3","1") = "5"
    & skf18("3","3","5","6","3","4","1") = "5"
    & skf18("3","3","5","6","3","5","1") = "5"
    & skf18("3","3","5","6","3","6","1") = "5"
    & skf18("3","3","5","6","3","7","1") = "6"
    & skf18("3","3","5","6","3","8","1") = "7"
    & skf18("3","3","5","6","3","9","1") = "8"
    & skf18("3","3","5","6","3","10","1") = "9"
    & skf18("3","3","5","6","4","1","1") = "5"
    & skf18("3","3","5","6","4","2","1") = "5"
    & skf18("3","3","5","6","4","3","1") = "5"
    & skf18("3","3","5","6","4","4","1") = "5"
    & skf18("3","3","5","6","4","5","1") = "5"
    & skf18("3","3","5","6","4","6","1") = "5"
    & skf18("3","3","5","6","4","7","1") = "6"
    & skf18("3","3","5","6","4","8","1") = "7"
    & skf18("3","3","5","6","4","9","1") = "8"
    & skf18("3","3","5","6","4","10","1") = "9"
    & skf18("3","3","5","6","5","1","1") = "5"
    & skf18("3","3","5","6","5","2","1") = "5"
    & skf18("3","3","5","6","5","3","1") = "5"
    & skf18("3","3","5","6","5","4","1") = "5"
    & skf18("3","3","5","6","5","5","1") = "5"
    & skf18("3","3","5","6","5","6","1") = "5"
    & skf18("3","3","5","6","5","7","1") = "6"
    & skf18("3","3","5","6","5","8","1") = "7"
    & skf18("3","3","5","6","5","9","1") = "8"
    & skf18("3","3","5","6","5","10","1") = "9"
    & skf18("3","3","5","6","6","1","1") = "5"
    & skf18("3","3","5","6","6","2","1") = "5"
    & skf18("3","3","5","6","6","3","1") = "5"
    & skf18("3","3","5","6","6","4","1") = "5"
    & skf18("3","3","5","6","6","5","1") = "5"
    & skf18("3","3","5","6","6","6","1") = "5"
    & skf18("3","3","5","6","6","7","1") = "6"
    & skf18("3","3","5","6","6","8","1") = "7"
    & skf18("3","3","5","6","6","9","1") = "8"
    & skf18("3","3","5","6","6","10","1") = "9"
    & skf18("3","3","5","6","7","1","1") = "6"
    & skf18("3","3","5","6","7","2","1") = "6"
    & skf18("3","3","5","6","7","3","1") = "6"
    & skf18("3","3","5","6","7","4","1") = "6"
    & skf18("3","3","5","6","7","5","1") = "6"
    & skf18("3","3","5","6","7","6","1") = "6"
    & skf18("3","3","5","6","7","7","1") = "6"
    & skf18("3","3","5","6","7","8","1") = "7"
    & skf18("3","3","5","6","7","9","1") = "8"
    & skf18("3","3","5","6","7","10","1") = "9"
    & skf18("3","3","5","6","8","1","1") = "7"
    & skf18("3","3","5","6","8","2","1") = "7"
    & skf18("3","3","5","6","8","3","1") = "7"
    & skf18("3","3","5","6","8","4","1") = "7"
    & skf18("3","3","5","6","8","5","1") = "7"
    & skf18("3","3","5","6","8","6","1") = "7"
    & skf18("3","3","5","6","8","7","1") = "7"
    & skf18("3","3","5","6","8","8","1") = "7"
    & skf18("3","3","5","6","8","9","1") = "8"
    & skf18("3","3","5","6","8","10","1") = "9"
    & skf18("3","3","5","6","9","1","1") = "8"
    & skf18("3","3","5","6","9","2","1") = "8"
    & skf18("3","3","5","6","9","3","1") = "8"
    & skf18("3","3","5","6","9","4","1") = "8"
    & skf18("3","3","5","6","9","5","1") = "8"
    & skf18("3","3","5","6","9","6","1") = "8"
    & skf18("3","3","5","6","9","7","1") = "8"
    & skf18("3","3","5","6","9","8","1") = "8"
    & skf18("3","3","5","6","9","9","1") = "8"
    & skf18("3","3","5","6","9","10","1") = "9"
    & skf18("3","3","5","6","10","1","1") = "9"
    & skf18("3","3","5","6","10","2","1") = "9"
    & skf18("3","3","5","6","10","3","1") = "9"
    & skf18("3","3","5","6","10","4","1") = "9"
    & skf18("3","3","5","6","10","5","1") = "9"
    & skf18("3","3","5","6","10","6","1") = "9"
    & skf18("3","3","5","6","10","7","1") = "9"
    & skf18("3","3","5","6","10","8","1") = "9"
    & skf18("3","3","5","6","10","9","1") = "9"
    & skf18("3","3","5","6","10","10","1") = "9"
    & skf18("3","3","5","7","1","1","1") = "6"
    & skf18("3","3","5","7","1","2","1") = "6"
    & skf18("3","3","5","7","1","3","1") = "6"
    & skf18("3","3","5","7","1","4","1") = "6"
    & skf18("3","3","5","7","1","5","1") = "6"
    & skf18("3","3","5","7","1","6","1") = "6"
    & skf18("3","3","5","7","1","7","1") = "6"
    & skf18("3","3","5","7","1","8","1") = "7"
    & skf18("3","3","5","7","1","9","1") = "8"
    & skf18("3","3","5","7","1","10","1") = "9"
    & skf18("3","3","5","7","2","1","1") = "6"
    & skf18("3","3","5","7","2","2","1") = "6"
    & skf18("3","3","5","7","2","3","1") = "6"
    & skf18("3","3","5","7","2","4","1") = "6"
    & skf18("3","3","5","7","2","5","1") = "6"
    & skf18("3","3","5","7","2","6","1") = "6"
    & skf18("3","3","5","7","2","7","1") = "6"
    & skf18("3","3","5","7","2","8","1") = "7"
    & skf18("3","3","5","7","2","9","1") = "8"
    & skf18("3","3","5","7","2","10","1") = "9"
    & skf18("3","3","5","7","3","1","1") = "6"
    & skf18("3","3","5","7","3","2","1") = "6"
    & skf18("3","3","5","7","3","3","1") = "6"
    & skf18("3","3","5","7","3","4","1") = "6"
    & skf18("3","3","5","7","3","5","1") = "6"
    & skf18("3","3","5","7","3","6","1") = "6"
    & skf18("3","3","5","7","3","7","1") = "6"
    & skf18("3","3","5","7","3","8","1") = "7"
    & skf18("3","3","5","7","3","9","1") = "8"
    & skf18("3","3","5","7","3","10","1") = "9"
    & skf18("3","3","5","7","4","1","1") = "6"
    & skf18("3","3","5","7","4","2","1") = "6"
    & skf18("3","3","5","7","4","3","1") = "6"
    & skf18("3","3","5","7","4","4","1") = "6"
    & skf18("3","3","5","7","4","5","1") = "6"
    & skf18("3","3","5","7","4","6","1") = "6"
    & skf18("3","3","5","7","4","7","1") = "6"
    & skf18("3","3","5","7","4","8","1") = "7"
    & skf18("3","3","5","7","4","9","1") = "8"
    & skf18("3","3","5","7","4","10","1") = "9"
    & skf18("3","3","5","7","5","1","1") = "6"
    & skf18("3","3","5","7","5","2","1") = "6"
    & skf18("3","3","5","7","5","3","1") = "6"
    & skf18("3","3","5","7","5","4","1") = "6"
    & skf18("3","3","5","7","5","5","1") = "6"
    & skf18("3","3","5","7","5","6","1") = "6"
    & skf18("3","3","5","7","5","7","1") = "6"
    & skf18("3","3","5","7","5","8","1") = "7"
    & skf18("3","3","5","7","5","9","1") = "8"
    & skf18("3","3","5","7","5","10","1") = "9"
    & skf18("3","3","5","7","6","1","1") = "6"
    & skf18("3","3","5","7","6","2","1") = "6"
    & skf18("3","3","5","7","6","3","1") = "6"
    & skf18("3","3","5","7","6","4","1") = "6"
    & skf18("3","3","5","7","6","5","1") = "6"
    & skf18("3","3","5","7","6","6","1") = "6"
    & skf18("3","3","5","7","6","7","1") = "6"
    & skf18("3","3","5","7","6","8","1") = "7"
    & skf18("3","3","5","7","6","9","1") = "8"
    & skf18("3","3","5","7","6","10","1") = "9"
    & skf18("3","3","5","7","7","1","1") = "6"
    & skf18("3","3","5","7","7","2","1") = "6"
    & skf18("3","3","5","7","7","3","1") = "6"
    & skf18("3","3","5","7","7","4","1") = "6"
    & skf18("3","3","5","7","7","5","1") = "6"
    & skf18("3","3","5","7","7","6","1") = "6"
    & skf18("3","3","5","7","7","7","1") = "6"
    & skf18("3","3","5","7","7","8","1") = "7"
    & skf18("3","3","5","7","7","9","1") = "8"
    & skf18("3","3","5","7","7","10","1") = "9"
    & skf18("3","3","5","7","8","1","1") = "7"
    & skf18("3","3","5","7","8","2","1") = "7"
    & skf18("3","3","5","7","8","3","1") = "7"
    & skf18("3","3","5","7","8","4","1") = "7"
    & skf18("3","3","5","7","8","5","1") = "7"
    & skf18("3","3","5","7","8","6","1") = "7"
    & skf18("3","3","5","7","8","7","1") = "7"
    & skf18("3","3","5","7","8","8","1") = "7"
    & skf18("3","3","5","7","8","9","1") = "8"
    & skf18("3","3","5","7","8","10","1") = "9"
    & skf18("3","3","5","7","9","1","1") = "8"
    & skf18("3","3","5","7","9","2","1") = "8"
    & skf18("3","3","5","7","9","3","1") = "8"
    & skf18("3","3","5","7","9","4","1") = "8"
    & skf18("3","3","5","7","9","5","1") = "8"
    & skf18("3","3","5","7","9","6","1") = "8"
    & skf18("3","3","5","7","9","7","1") = "8"
    & skf18("3","3","5","7","9","8","1") = "8"
    & skf18("3","3","5","7","9","9","1") = "8"
    & skf18("3","3","5","7","9","10","1") = "9"
    & skf18("3","3","5","7","10","1","1") = "9"
    & skf18("3","3","5","7","10","2","1") = "9"
    & skf18("3","3","5","7","10","3","1") = "9"
    & skf18("3","3","5","7","10","4","1") = "9"
    & skf18("3","3","5","7","10","5","1") = "9"
    & skf18("3","3","5","7","10","6","1") = "9"
    & skf18("3","3","5","7","10","7","1") = "9"
    & skf18("3","3","5","7","10","8","1") = "9"
    & skf18("3","3","5","7","10","9","1") = "9"
    & skf18("3","3","5","7","10","10","1") = "9"
    & skf18("3","3","5","8","1","1","1") = "7"
    & skf18("3","3","5","8","1","2","1") = "7"
    & skf18("3","3","5","8","1","3","1") = "7"
    & skf18("3","3","5","8","1","4","1") = "7"
    & skf18("3","3","5","8","1","5","1") = "7"
    & skf18("3","3","5","8","1","6","1") = "7"
    & skf18("3","3","5","8","1","7","1") = "7"
    & skf18("3","3","5","8","1","8","1") = "7"
    & skf18("3","3","5","8","1","9","1") = "8"
    & skf18("3","3","5","8","1","10","1") = "9"
    & skf18("3","3","5","8","2","1","1") = "7"
    & skf18("3","3","5","8","2","2","1") = "7"
    & skf18("3","3","5","8","2","3","1") = "7"
    & skf18("3","3","5","8","2","4","1") = "7"
    & skf18("3","3","5","8","2","5","1") = "7"
    & skf18("3","3","5","8","2","6","1") = "7"
    & skf18("3","3","5","8","2","7","1") = "7"
    & skf18("3","3","5","8","2","8","1") = "7"
    & skf18("3","3","5","8","2","9","1") = "8"
    & skf18("3","3","5","8","2","10","1") = "9"
    & skf18("3","3","5","8","3","1","1") = "7"
    & skf18("3","3","5","8","3","2","1") = "7"
    & skf18("3","3","5","8","3","3","1") = "7"
    & skf18("3","3","5","8","3","4","1") = "7"
    & skf18("3","3","5","8","3","5","1") = "7"
    & skf18("3","3","5","8","3","6","1") = "7"
    & skf18("3","3","5","8","3","7","1") = "7"
    & skf18("3","3","5","8","3","8","1") = "7"
    & skf18("3","3","5","8","3","9","1") = "8"
    & skf18("3","3","5","8","3","10","1") = "9"
    & skf18("3","3","5","8","4","1","1") = "7"
    & skf18("3","3","5","8","4","2","1") = "7"
    & skf18("3","3","5","8","4","3","1") = "7"
    & skf18("3","3","5","8","4","4","1") = "7"
    & skf18("3","3","5","8","4","5","1") = "7"
    & skf18("3","3","5","8","4","6","1") = "7"
    & skf18("3","3","5","8","4","7","1") = "7"
    & skf18("3","3","5","8","4","8","1") = "7"
    & skf18("3","3","5","8","4","9","1") = "8"
    & skf18("3","3","5","8","4","10","1") = "9"
    & skf18("3","3","5","8","5","1","1") = "7"
    & skf18("3","3","5","8","5","2","1") = "7"
    & skf18("3","3","5","8","5","3","1") = "7"
    & skf18("3","3","5","8","5","4","1") = "7"
    & skf18("3","3","5","8","5","5","1") = "7"
    & skf18("3","3","5","8","5","6","1") = "7"
    & skf18("3","3","5","8","5","7","1") = "7"
    & skf18("3","3","5","8","5","8","1") = "7"
    & skf18("3","3","5","8","5","9","1") = "8"
    & skf18("3","3","5","8","5","10","1") = "9"
    & skf18("3","3","5","8","6","1","1") = "7"
    & skf18("3","3","5","8","6","2","1") = "7"
    & skf18("3","3","5","8","6","3","1") = "7"
    & skf18("3","3","5","8","6","4","1") = "7"
    & skf18("3","3","5","8","6","5","1") = "7"
    & skf18("3","3","5","8","6","6","1") = "7"
    & skf18("3","3","5","8","6","7","1") = "7"
    & skf18("3","3","5","8","6","8","1") = "7"
    & skf18("3","3","5","8","6","9","1") = "8"
    & skf18("3","3","5","8","6","10","1") = "9"
    & skf18("3","3","5","8","7","1","1") = "7"
    & skf18("3","3","5","8","7","2","1") = "7"
    & skf18("3","3","5","8","7","3","1") = "7"
    & skf18("3","3","5","8","7","4","1") = "7"
    & skf18("3","3","5","8","7","5","1") = "7"
    & skf18("3","3","5","8","7","6","1") = "7"
    & skf18("3","3","5","8","7","7","1") = "7"
    & skf18("3","3","5","8","7","8","1") = "7"
    & skf18("3","3","5","8","7","9","1") = "8"
    & skf18("3","3","5","8","7","10","1") = "9"
    & skf18("3","3","5","8","8","1","1") = "7"
    & skf18("3","3","5","8","8","2","1") = "7"
    & skf18("3","3","5","8","8","3","1") = "7"
    & skf18("3","3","5","8","8","4","1") = "7"
    & skf18("3","3","5","8","8","5","1") = "7"
    & skf18("3","3","5","8","8","6","1") = "7"
    & skf18("3","3","5","8","8","7","1") = "7"
    & skf18("3","3","5","8","8","8","1") = "7"
    & skf18("3","3","5","8","8","9","1") = "8"
    & skf18("3","3","5","8","8","10","1") = "9"
    & skf18("3","3","5","8","9","1","1") = "8"
    & skf18("3","3","5","8","9","2","1") = "8"
    & skf18("3","3","5","8","9","3","1") = "8"
    & skf18("3","3","5","8","9","4","1") = "8"
    & skf18("3","3","5","8","9","5","1") = "8"
    & skf18("3","3","5","8","9","6","1") = "8"
    & skf18("3","3","5","8","9","7","1") = "8"
    & skf18("3","3","5","8","9","8","1") = "8"
    & skf18("3","3","5","8","9","9","1") = "8"
    & skf18("3","3","5","8","9","10","1") = "9"
    & skf18("3","3","5","8","10","1","1") = "9"
    & skf18("3","3","5","8","10","2","1") = "9"
    & skf18("3","3","5","8","10","3","1") = "9"
    & skf18("3","3","5","8","10","4","1") = "9"
    & skf18("3","3","5","8","10","5","1") = "9"
    & skf18("3","3","5","8","10","6","1") = "9"
    & skf18("3","3","5","8","10","7","1") = "9"
    & skf18("3","3","5","8","10","8","1") = "9"
    & skf18("3","3","5","8","10","9","1") = "9"
    & skf18("3","3","5","8","10","10","1") = "9"
    & skf18("3","3","5","9","1","1","1") = "8"
    & skf18("3","3","5","9","1","2","1") = "8"
    & skf18("3","3","5","9","1","3","1") = "8"
    & skf18("3","3","5","9","1","4","1") = "8"
    & skf18("3","3","5","9","1","5","1") = "8"
    & skf18("3","3","5","9","1","6","1") = "8"
    & skf18("3","3","5","9","1","7","1") = "8"
    & skf18("3","3","5","9","1","8","1") = "8"
    & skf18("3","3","5","9","1","9","1") = "8"
    & skf18("3","3","5","9","1","10","1") = "9"
    & skf18("3","3","5","9","2","1","1") = "8"
    & skf18("3","3","5","9","2","2","1") = "8"
    & skf18("3","3","5","9","2","3","1") = "8"
    & skf18("3","3","5","9","2","4","1") = "8"
    & skf18("3","3","5","9","2","5","1") = "8"
    & skf18("3","3","5","9","2","6","1") = "8"
    & skf18("3","3","5","9","2","7","1") = "8"
    & skf18("3","3","5","9","2","8","1") = "8"
    & skf18("3","3","5","9","2","9","1") = "8"
    & skf18("3","3","5","9","2","10","1") = "9"
    & skf18("3","3","5","9","3","1","1") = "8"
    & skf18("3","3","5","9","3","2","1") = "8"
    & skf18("3","3","5","9","3","3","1") = "8"
    & skf18("3","3","5","9","3","4","1") = "8"
    & skf18("3","3","5","9","3","5","1") = "8"
    & skf18("3","3","5","9","3","6","1") = "8"
    & skf18("3","3","5","9","3","7","1") = "8"
    & skf18("3","3","5","9","3","8","1") = "8"
    & skf18("3","3","5","9","3","9","1") = "8"
    & skf18("3","3","5","9","3","10","1") = "9"
    & skf18("3","3","5","9","4","1","1") = "8"
    & skf18("3","3","5","9","4","2","1") = "8"
    & skf18("3","3","5","9","4","3","1") = "8"
    & skf18("3","3","5","9","4","4","1") = "8"
    & skf18("3","3","5","9","4","5","1") = "8"
    & skf18("3","3","5","9","4","6","1") = "8"
    & skf18("3","3","5","9","4","7","1") = "8"
    & skf18("3","3","5","9","4","8","1") = "8"
    & skf18("3","3","5","9","4","9","1") = "8"
    & skf18("3","3","5","9","4","10","1") = "9"
    & skf18("3","3","5","9","5","1","1") = "8"
    & skf18("3","3","5","9","5","2","1") = "8"
    & skf18("3","3","5","9","5","3","1") = "8"
    & skf18("3","3","5","9","5","4","1") = "8"
    & skf18("3","3","5","9","5","5","1") = "8"
    & skf18("3","3","5","9","5","6","1") = "8"
    & skf18("3","3","5","9","5","7","1") = "8"
    & skf18("3","3","5","9","5","8","1") = "8"
    & skf18("3","3","5","9","5","9","1") = "8"
    & skf18("3","3","5","9","5","10","1") = "9"
    & skf18("3","3","5","9","6","1","1") = "8"
    & skf18("3","3","5","9","6","2","1") = "8"
    & skf18("3","3","5","9","6","3","1") = "8"
    & skf18("3","3","5","9","6","4","1") = "8"
    & skf18("3","3","5","9","6","5","1") = "8"
    & skf18("3","3","5","9","6","6","1") = "8"
    & skf18("3","3","5","9","6","7","1") = "8"
    & skf18("3","3","5","9","6","8","1") = "8"
    & skf18("3","3","5","9","6","9","1") = "8"
    & skf18("3","3","5","9","6","10","1") = "9"
    & skf18("3","3","5","9","7","1","1") = "8"
    & skf18("3","3","5","9","7","2","1") = "8"
    & skf18("3","3","5","9","7","3","1") = "8"
    & skf18("3","3","5","9","7","4","1") = "8"
    & skf18("3","3","5","9","7","5","1") = "8"
    & skf18("3","3","5","9","7","6","1") = "8"
    & skf18("3","3","5","9","7","7","1") = "8"
    & skf18("3","3","5","9","7","8","1") = "8"
    & skf18("3","3","5","9","7","9","1") = "8"
    & skf18("3","3","5","9","7","10","1") = "9"
    & skf18("3","3","5","9","8","1","1") = "8"
    & skf18("3","3","5","9","8","2","1") = "8"
    & skf18("3","3","5","9","8","3","1") = "8"
    & skf18("3","3","5","9","8","4","1") = "8"
    & skf18("3","3","5","9","8","5","1") = "8"
    & skf18("3","3","5","9","8","6","1") = "8"
    & skf18("3","3","5","9","8","7","1") = "8"
    & skf18("3","3","5","9","8","8","1") = "8"
    & skf18("3","3","5","9","8","9","1") = "8"
    & skf18("3","3","5","9","8","10","1") = "9"
    & skf18("3","3","5","9","9","1","1") = "8"
    & skf18("3","3","5","9","9","2","1") = "8"
    & skf18("3","3","5","9","9","3","1") = "8"
    & skf18("3","3","5","9","9","4","1") = "8"
    & skf18("3","3","5","9","9","5","1") = "8"
    & skf18("3","3","5","9","9","6","1") = "8"
    & skf18("3","3","5","9","9","7","1") = "8"
    & skf18("3","3","5","9","9","8","1") = "8"
    & skf18("3","3","5","9","9","9","1") = "8"
    & skf18("3","3","5","9","9","10","1") = "9"
    & skf18("3","3","5","9","10","1","1") = "9"
    & skf18("3","3","5","9","10","2","1") = "9"
    & skf18("3","3","5","9","10","3","1") = "9"
    & skf18("3","3","5","9","10","4","1") = "9"
    & skf18("3","3","5","9","10","5","1") = "9"
    & skf18("3","3","5","9","10","6","1") = "9"
    & skf18("3","3","5","9","10","7","1") = "9"
    & skf18("3","3","5","9","10","8","1") = "9"
    & skf18("3","3","5","9","10","9","1") = "9"
    & skf18("3","3","5","9","10","10","1") = "9"
    & skf18("3","3","5","10","1","1","1") = "9"
    & skf18("3","3","5","10","1","2","1") = "9"
    & skf18("3","3","5","10","1","3","1") = "9"
    & skf18("3","3","5","10","1","4","1") = "9"
    & skf18("3","3","5","10","1","5","1") = "9"
    & skf18("3","3","5","10","1","6","1") = "9"
    & skf18("3","3","5","10","1","7","1") = "9"
    & skf18("3","3","5","10","1","8","1") = "9"
    & skf18("3","3","5","10","1","9","1") = "9"
    & skf18("3","3","5","10","1","10","1") = "9"
    & skf18("3","3","5","10","2","1","1") = "9"
    & skf18("3","3","5","10","2","2","1") = "9"
    & skf18("3","3","5","10","2","3","1") = "9"
    & skf18("3","3","5","10","2","4","1") = "9"
    & skf18("3","3","5","10","2","5","1") = "9"
    & skf18("3","3","5","10","2","6","1") = "9"
    & skf18("3","3","5","10","2","7","1") = "9"
    & skf18("3","3","5","10","2","8","1") = "9"
    & skf18("3","3","5","10","2","9","1") = "9"
    & skf18("3","3","5","10","2","10","1") = "9"
    & skf18("3","3","5","10","3","1","1") = "9"
    & skf18("3","3","5","10","3","2","1") = "9"
    & skf18("3","3","5","10","3","3","1") = "9"
    & skf18("3","3","5","10","3","4","1") = "9"
    & skf18("3","3","5","10","3","5","1") = "9"
    & skf18("3","3","5","10","3","6","1") = "9"
    & skf18("3","3","5","10","3","7","1") = "9"
    & skf18("3","3","5","10","3","8","1") = "9"
    & skf18("3","3","5","10","3","9","1") = "9"
    & skf18("3","3","5","10","3","10","1") = "9"
    & skf18("3","3","5","10","4","1","1") = "9"
    & skf18("3","3","5","10","4","2","1") = "9"
    & skf18("3","3","5","10","4","3","1") = "9"
    & skf18("3","3","5","10","4","4","1") = "9"
    & skf18("3","3","5","10","4","5","1") = "9"
    & skf18("3","3","5","10","4","6","1") = "9"
    & skf18("3","3","5","10","4","7","1") = "9"
    & skf18("3","3","5","10","4","8","1") = "9"
    & skf18("3","3","5","10","4","9","1") = "9"
    & skf18("3","3","5","10","4","10","1") = "9"
    & skf18("3","3","5","10","5","1","1") = "9"
    & skf18("3","3","5","10","5","2","1") = "9"
    & skf18("3","3","5","10","5","3","1") = "9"
    & skf18("3","3","5","10","5","4","1") = "9"
    & skf18("3","3","5","10","5","5","1") = "9"
    & skf18("3","3","5","10","5","6","1") = "9"
    & skf18("3","3","5","10","5","7","1") = "9"
    & skf18("3","3","5","10","5","8","1") = "9"
    & skf18("3","3","5","10","5","9","1") = "9"
    & skf18("3","3","5","10","5","10","1") = "9"
    & skf18("3","3","5","10","6","1","1") = "9"
    & skf18("3","3","5","10","6","2","1") = "9"
    & skf18("3","3","5","10","6","3","1") = "9"
    & skf18("3","3","5","10","6","4","1") = "9"
    & skf18("3","3","5","10","6","5","1") = "9"
    & skf18("3","3","5","10","6","6","1") = "9"
    & skf18("3","3","5","10","6","7","1") = "9"
    & skf18("3","3","5","10","6","8","1") = "9"
    & skf18("3","3","5","10","6","9","1") = "9"
    & skf18("3","3","5","10","6","10","1") = "9"
    & skf18("3","3","5","10","7","1","1") = "9"
    & skf18("3","3","5","10","7","2","1") = "9"
    & skf18("3","3","5","10","7","3","1") = "9"
    & skf18("3","3","5","10","7","4","1") = "9"
    & skf18("3","3","5","10","7","5","1") = "9"
    & skf18("3","3","5","10","7","6","1") = "9"
    & skf18("3","3","5","10","7","7","1") = "9"
    & skf18("3","3","5","10","7","8","1") = "9"
    & skf18("3","3","5","10","7","9","1") = "9"
    & skf18("3","3","5","10","7","10","1") = "9"
    & skf18("3","3","5","10","8","1","1") = "9"
    & skf18("3","3","5","10","8","2","1") = "9"
    & skf18("3","3","5","10","8","3","1") = "9"
    & skf18("3","3","5","10","8","4","1") = "9"
    & skf18("3","3","5","10","8","5","1") = "9"
    & skf18("3","3","5","10","8","6","1") = "9"
    & skf18("3","3","5","10","8","7","1") = "9"
    & skf18("3","3","5","10","8","8","1") = "9"
    & skf18("3","3","5","10","8","9","1") = "9"
    & skf18("3","3","5","10","8","10","1") = "9"
    & skf18("3","3","5","10","9","1","1") = "9"
    & skf18("3","3","5","10","9","2","1") = "9"
    & skf18("3","3","5","10","9","3","1") = "9"
    & skf18("3","3","5","10","9","4","1") = "9"
    & skf18("3","3","5","10","9","5","1") = "9"
    & skf18("3","3","5","10","9","6","1") = "9"
    & skf18("3","3","5","10","9","7","1") = "9"
    & skf18("3","3","5","10","9","8","1") = "9"
    & skf18("3","3","5","10","9","9","1") = "9"
    & skf18("3","3","5","10","9","10","1") = "9"
    & skf18("3","3","5","10","10","1","1") = "9"
    & skf18("3","3","5","10","10","2","1") = "9"
    & skf18("3","3","5","10","10","3","1") = "9"
    & skf18("3","3","5","10","10","4","1") = "9"
    & skf18("3","3","5","10","10","5","1") = "9"
    & skf18("3","3","5","10","10","6","1") = "9"
    & skf18("3","3","5","10","10","7","1") = "9"
    & skf18("3","3","5","10","10","8","1") = "9"
    & skf18("3","3","5","10","10","9","1") = "9"
    & skf18("3","3","5","10","10","10","1") = "9"
    & skf18("3","3","6","1","1","1","1") = "5"
    & skf18("3","3","6","1","1","2","1") = "5"
    & skf18("3","3","6","1","1","3","1") = "5"
    & skf18("3","3","6","1","1","4","1") = "5"
    & skf18("3","3","6","1","1","5","1") = "5"
    & skf18("3","3","6","1","1","6","1") = "5"
    & skf18("3","3","6","1","1","7","1") = "6"
    & skf18("3","3","6","1","1","8","1") = "7"
    & skf18("3","3","6","1","1","9","1") = "8"
    & skf18("3","3","6","1","1","10","1") = "9"
    & skf18("3","3","6","1","2","1","1") = "5"
    & skf18("3","3","6","1","2","2","1") = "5"
    & skf18("3","3","6","1","2","3","1") = "5"
    & skf18("3","3","6","1","2","4","1") = "5"
    & skf18("3","3","6","1","2","5","1") = "5"
    & skf18("3","3","6","1","2","6","1") = "5"
    & skf18("3","3","6","1","2","7","1") = "6"
    & skf18("3","3","6","1","2","8","1") = "7"
    & skf18("3","3","6","1","2","9","1") = "8"
    & skf18("3","3","6","1","2","10","1") = "9"
    & skf18("3","3","6","1","3","1","1") = "5"
    & skf18("3","3","6","1","3","2","1") = "5"
    & skf18("3","3","6","1","3","3","1") = "5"
    & skf18("3","3","6","1","3","4","1") = "5"
    & skf18("3","3","6","1","3","5","1") = "5"
    & skf18("3","3","6","1","3","6","1") = "5"
    & skf18("3","3","6","1","3","7","1") = "6"
    & skf18("3","3","6","1","3","8","1") = "7"
    & skf18("3","3","6","1","3","9","1") = "8"
    & skf18("3","3","6","1","3","10","1") = "9"
    & skf18("3","3","6","1","4","1","1") = "5"
    & skf18("3","3","6","1","4","2","1") = "5"
    & skf18("3","3","6","1","4","3","1") = "5"
    & skf18("3","3","6","1","4","4","1") = "5"
    & skf18("3","3","6","1","4","5","1") = "5"
    & skf18("3","3","6","1","4","6","1") = "5"
    & skf18("3","3","6","1","4","7","1") = "6"
    & skf18("3","3","6","1","4","8","1") = "7"
    & skf18("3","3","6","1","4","9","1") = "8"
    & skf18("3","3","6","1","4","10","1") = "9"
    & skf18("3","3","6","1","5","1","1") = "5"
    & skf18("3","3","6","1","5","2","1") = "5"
    & skf18("3","3","6","1","5","3","1") = "5"
    & skf18("3","3","6","1","5","4","1") = "5"
    & skf18("3","3","6","1","5","5","1") = "5"
    & skf18("3","3","6","1","5","6","1") = "5"
    & skf18("3","3","6","1","5","7","1") = "6"
    & skf18("3","3","6","1","5","8","1") = "7"
    & skf18("3","3","6","1","5","9","1") = "8"
    & skf18("3","3","6","1","5","10","1") = "9"
    & skf18("3","3","6","1","6","1","1") = "5"
    & skf18("3","3","6","1","6","2","1") = "5"
    & skf18("3","3","6","1","6","3","1") = "5"
    & skf18("3","3","6","1","6","4","1") = "5"
    & skf18("3","3","6","1","6","5","1") = "5"
    & skf18("3","3","6","1","6","6","1") = "5"
    & skf18("3","3","6","1","6","7","1") = "6"
    & skf18("3","3","6","1","6","8","1") = "7"
    & skf18("3","3","6","1","6","9","1") = "8"
    & skf18("3","3","6","1","6","10","1") = "9"
    & skf18("3","3","6","1","7","1","1") = "6"
    & skf18("3","3","6","1","7","2","1") = "6"
    & skf18("3","3","6","1","7","3","1") = "6"
    & skf18("3","3","6","1","7","4","1") = "6"
    & skf18("3","3","6","1","7","5","1") = "6"
    & skf18("3","3","6","1","7","6","1") = "6"
    & skf18("3","3","6","1","7","7","1") = "6"
    & skf18("3","3","6","1","7","8","1") = "7"
    & skf18("3","3","6","1","7","9","1") = "8"
    & skf18("3","3","6","1","7","10","1") = "9"
    & skf18("3","3","6","1","8","1","1") = "7"
    & skf18("3","3","6","1","8","2","1") = "7"
    & skf18("3","3","6","1","8","3","1") = "7"
    & skf18("3","3","6","1","8","4","1") = "7"
    & skf18("3","3","6","1","8","5","1") = "7"
    & skf18("3","3","6","1","8","6","1") = "7"
    & skf18("3","3","6","1","8","7","1") = "7"
    & skf18("3","3","6","1","8","8","1") = "7"
    & skf18("3","3","6","1","8","9","1") = "8"
    & skf18("3","3","6","1","8","10","1") = "9"
    & skf18("3","3","6","1","9","1","1") = "8"
    & skf18("3","3","6","1","9","2","1") = "8"
    & skf18("3","3","6","1","9","3","1") = "8"
    & skf18("3","3","6","1","9","4","1") = "8"
    & skf18("3","3","6","1","9","5","1") = "8"
    & skf18("3","3","6","1","9","6","1") = "8"
    & skf18("3","3","6","1","9","7","1") = "8"
    & skf18("3","3","6","1","9","8","1") = "8"
    & skf18("3","3","6","1","9","9","1") = "8"
    & skf18("3","3","6","1","9","10","1") = "9"
    & skf18("3","3","6","1","10","1","1") = "9"
    & skf18("3","3","6","1","10","2","1") = "9"
    & skf18("3","3","6","1","10","3","1") = "9"
    & skf18("3","3","6","1","10","4","1") = "9"
    & skf18("3","3","6","1","10","5","1") = "9"
    & skf18("3","3","6","1","10","6","1") = "9"
    & skf18("3","3","6","1","10","7","1") = "9"
    & skf18("3","3","6","1","10","8","1") = "9"
    & skf18("3","3","6","1","10","9","1") = "9"
    & skf18("3","3","6","1","10","10","1") = "9"
    & skf18("3","3","6","2","1","1","1") = "5"
    & skf18("3","3","6","2","1","2","1") = "5"
    & skf18("3","3","6","2","1","3","1") = "5"
    & skf18("3","3","6","2","1","4","1") = "5"
    & skf18("3","3","6","2","1","5","1") = "5"
    & skf18("3","3","6","2","1","6","1") = "5"
    & skf18("3","3","6","2","1","7","1") = "6"
    & skf18("3","3","6","2","1","8","1") = "7"
    & skf18("3","3","6","2","1","9","1") = "8"
    & skf18("3","3","6","2","1","10","1") = "9"
    & skf18("3","3","6","2","2","1","1") = "5"
    & skf18("3","3","6","2","2","2","1") = "5"
    & skf18("3","3","6","2","2","3","1") = "5"
    & skf18("3","3","6","2","2","4","1") = "5"
    & skf18("3","3","6","2","2","5","1") = "5"
    & skf18("3","3","6","2","2","6","1") = "5"
    & skf18("3","3","6","2","2","7","1") = "6"
    & skf18("3","3","6","2","2","8","1") = "7"
    & skf18("3","3","6","2","2","9","1") = "8"
    & skf18("3","3","6","2","2","10","1") = "9"
    & skf18("3","3","6","2","3","1","1") = "5"
    & skf18("3","3","6","2","3","2","1") = "5"
    & skf18("3","3","6","2","3","3","1") = "5"
    & skf18("3","3","6","2","3","4","1") = "5"
    & skf18("3","3","6","2","3","5","1") = "5"
    & skf18("3","3","6","2","3","6","1") = "5"
    & skf18("3","3","6","2","3","7","1") = "6"
    & skf18("3","3","6","2","3","8","1") = "7"
    & skf18("3","3","6","2","3","9","1") = "8"
    & skf18("3","3","6","2","3","10","1") = "9"
    & skf18("3","3","6","2","4","1","1") = "5"
    & skf18("3","3","6","2","4","2","1") = "5"
    & skf18("3","3","6","2","4","3","1") = "5"
    & skf18("3","3","6","2","4","4","1") = "5"
    & skf18("3","3","6","2","4","5","1") = "5"
    & skf18("3","3","6","2","4","6","1") = "5"
    & skf18("3","3","6","2","4","7","1") = "6"
    & skf18("3","3","6","2","4","8","1") = "7"
    & skf18("3","3","6","2","4","9","1") = "8"
    & skf18("3","3","6","2","4","10","1") = "9"
    & skf18("3","3","6","2","5","1","1") = "5"
    & skf18("3","3","6","2","5","2","1") = "5"
    & skf18("3","3","6","2","5","3","1") = "5"
    & skf18("3","3","6","2","5","4","1") = "5"
    & skf18("3","3","6","2","5","5","1") = "5"
    & skf18("3","3","6","2","5","6","1") = "5"
    & skf18("3","3","6","2","5","7","1") = "6"
    & skf18("3","3","6","2","5","8","1") = "7"
    & skf18("3","3","6","2","5","9","1") = "8"
    & skf18("3","3","6","2","5","10","1") = "9"
    & skf18("3","3","6","2","6","1","1") = "5"
    & skf18("3","3","6","2","6","2","1") = "5"
    & skf18("3","3","6","2","6","3","1") = "5"
    & skf18("3","3","6","2","6","4","1") = "5"
    & skf18("3","3","6","2","6","5","1") = "5"
    & skf18("3","3","6","2","6","6","1") = "5"
    & skf18("3","3","6","2","6","7","1") = "6"
    & skf18("3","3","6","2","6","8","1") = "7"
    & skf18("3","3","6","2","6","9","1") = "8"
    & skf18("3","3","6","2","6","10","1") = "9"
    & skf18("3","3","6","2","7","1","1") = "6"
    & skf18("3","3","6","2","7","2","1") = "6"
    & skf18("3","3","6","2","7","3","1") = "6"
    & skf18("3","3","6","2","7","4","1") = "6"
    & skf18("3","3","6","2","7","5","1") = "6"
    & skf18("3","3","6","2","7","6","1") = "6"
    & skf18("3","3","6","2","7","7","1") = "6"
    & skf18("3","3","6","2","7","8","1") = "7"
    & skf18("3","3","6","2","7","9","1") = "8"
    & skf18("3","3","6","2","7","10","1") = "9"
    & skf18("3","3","6","2","8","1","1") = "7"
    & skf18("3","3","6","2","8","2","1") = "7"
    & skf18("3","3","6","2","8","3","1") = "7"
    & skf18("3","3","6","2","8","4","1") = "7"
    & skf18("3","3","6","2","8","5","1") = "7"
    & skf18("3","3","6","2","8","6","1") = "7"
    & skf18("3","3","6","2","8","7","1") = "7"
    & skf18("3","3","6","2","8","8","1") = "7"
    & skf18("3","3","6","2","8","9","1") = "8"
    & skf18("3","3","6","2","8","10","1") = "9"
    & skf18("3","3","6","2","9","1","1") = "8"
    & skf18("3","3","6","2","9","2","1") = "8"
    & skf18("3","3","6","2","9","3","1") = "8"
    & skf18("3","3","6","2","9","4","1") = "8"
    & skf18("3","3","6","2","9","5","1") = "8"
    & skf18("3","3","6","2","9","6","1") = "8"
    & skf18("3","3","6","2","9","7","1") = "8"
    & skf18("3","3","6","2","9","8","1") = "8"
    & skf18("3","3","6","2","9","9","1") = "8"
    & skf18("3","3","6","2","9","10","1") = "9"
    & skf18("3","3","6","2","10","1","1") = "9"
    & skf18("3","3","6","2","10","2","1") = "9"
    & skf18("3","3","6","2","10","3","1") = "9"
    & skf18("3","3","6","2","10","4","1") = "9"
    & skf18("3","3","6","2","10","5","1") = "9"
    & skf18("3","3","6","2","10","6","1") = "9"
    & skf18("3","3","6","2","10","7","1") = "9"
    & skf18("3","3","6","2","10","8","1") = "9"
    & skf18("3","3","6","2","10","9","1") = "9"
    & skf18("3","3","6","2","10","10","1") = "9"
    & skf18("3","3","6","3","1","1","1") = "5"
    & skf18("3","3","6","3","1","2","1") = "5"
    & skf18("3","3","6","3","1","3","1") = "5"
    & skf18("3","3","6","3","1","4","1") = "5"
    & skf18("3","3","6","3","1","5","1") = "5"
    & skf18("3","3","6","3","1","6","1") = "5"
    & skf18("3","3","6","3","1","7","1") = "6"
    & skf18("3","3","6","3","1","8","1") = "7"
    & skf18("3","3","6","3","1","9","1") = "8"
    & skf18("3","3","6","3","1","10","1") = "9"
    & skf18("3","3","6","3","2","1","1") = "5"
    & skf18("3","3","6","3","2","2","1") = "5"
    & skf18("3","3","6","3","2","3","1") = "5"
    & skf18("3","3","6","3","2","4","1") = "5"
    & skf18("3","3","6","3","2","5","1") = "5"
    & skf18("3","3","6","3","2","6","1") = "5"
    & skf18("3","3","6","3","2","7","1") = "6"
    & skf18("3","3","6","3","2","8","1") = "7"
    & skf18("3","3","6","3","2","9","1") = "8"
    & skf18("3","3","6","3","2","10","1") = "9"
    & skf18("3","3","6","3","3","1","1") = "5"
    & skf18("3","3","6","3","3","2","1") = "5"
    & skf18("3","3","6","3","3","3","1") = "5"
    & skf18("3","3","6","3","3","4","1") = "5"
    & skf18("3","3","6","3","3","5","1") = "5"
    & skf18("3","3","6","3","3","6","1") = "5"
    & skf18("3","3","6","3","3","7","1") = "6"
    & skf18("3","3","6","3","3","8","1") = "7"
    & skf18("3","3","6","3","3","9","1") = "8"
    & skf18("3","3","6","3","3","10","1") = "9"
    & skf18("3","3","6","3","4","1","1") = "5"
    & skf18("3","3","6","3","4","2","1") = "5"
    & skf18("3","3","6","3","4","3","1") = "5"
    & skf18("3","3","6","3","4","4","1") = "5"
    & skf18("3","3","6","3","4","5","1") = "5"
    & skf18("3","3","6","3","4","6","1") = "5"
    & skf18("3","3","6","3","4","7","1") = "6"
    & skf18("3","3","6","3","4","8","1") = "7"
    & skf18("3","3","6","3","4","9","1") = "8"
    & skf18("3","3","6","3","4","10","1") = "9"
    & skf18("3","3","6","3","5","1","1") = "5"
    & skf18("3","3","6","3","5","2","1") = "5"
    & skf18("3","3","6","3","5","3","1") = "5"
    & skf18("3","3","6","3","5","4","1") = "5"
    & skf18("3","3","6","3","5","5","1") = "5"
    & skf18("3","3","6","3","5","6","1") = "5"
    & skf18("3","3","6","3","5","7","1") = "6"
    & skf18("3","3","6","3","5","8","1") = "7"
    & skf18("3","3","6","3","5","9","1") = "8"
    & skf18("3","3","6","3","5","10","1") = "9"
    & skf18("3","3","6","3","6","1","1") = "5"
    & skf18("3","3","6","3","6","2","1") = "5"
    & skf18("3","3","6","3","6","3","1") = "5"
    & skf18("3","3","6","3","6","4","1") = "5"
    & skf18("3","3","6","3","6","5","1") = "5"
    & skf18("3","3","6","3","6","6","1") = "5"
    & skf18("3","3","6","3","6","7","1") = "6"
    & skf18("3","3","6","3","6","8","1") = "7"
    & skf18("3","3","6","3","6","9","1") = "8"
    & skf18("3","3","6","3","6","10","1") = "9"
    & skf18("3","3","6","3","7","1","1") = "6"
    & skf18("3","3","6","3","7","2","1") = "6"
    & skf18("3","3","6","3","7","3","1") = "6"
    & skf18("3","3","6","3","7","4","1") = "6"
    & skf18("3","3","6","3","7","5","1") = "6"
    & skf18("3","3","6","3","7","6","1") = "6"
    & skf18("3","3","6","3","7","7","1") = "6"
    & skf18("3","3","6","3","7","8","1") = "7"
    & skf18("3","3","6","3","7","9","1") = "8"
    & skf18("3","3","6","3","7","10","1") = "9"
    & skf18("3","3","6","3","8","1","1") = "7"
    & skf18("3","3","6","3","8","2","1") = "7"
    & skf18("3","3","6","3","8","3","1") = "7"
    & skf18("3","3","6","3","8","4","1") = "7"
    & skf18("3","3","6","3","8","5","1") = "7"
    & skf18("3","3","6","3","8","6","1") = "7"
    & skf18("3","3","6","3","8","7","1") = "7"
    & skf18("3","3","6","3","8","8","1") = "7"
    & skf18("3","3","6","3","8","9","1") = "8"
    & skf18("3","3","6","3","8","10","1") = "9"
    & skf18("3","3","6","3","9","1","1") = "8"
    & skf18("3","3","6","3","9","2","1") = "8"
    & skf18("3","3","6","3","9","3","1") = "8"
    & skf18("3","3","6","3","9","4","1") = "8"
    & skf18("3","3","6","3","9","5","1") = "8"
    & skf18("3","3","6","3","9","6","1") = "8"
    & skf18("3","3","6","3","9","7","1") = "8"
    & skf18("3","3","6","3","9","8","1") = "8"
    & skf18("3","3","6","3","9","9","1") = "8"
    & skf18("3","3","6","3","9","10","1") = "9"
    & skf18("3","3","6","3","10","1","1") = "9"
    & skf18("3","3","6","3","10","2","1") = "9"
    & skf18("3","3","6","3","10","3","1") = "9"
    & skf18("3","3","6","3","10","4","1") = "9"
    & skf18("3","3","6","3","10","5","1") = "9"
    & skf18("3","3","6","3","10","6","1") = "9"
    & skf18("3","3","6","3","10","7","1") = "9"
    & skf18("3","3","6","3","10","8","1") = "9"
    & skf18("3","3","6","3","10","9","1") = "9"
    & skf18("3","3","6","3","10","10","1") = "9"
    & skf18("3","3","6","4","1","1","1") = "5"
    & skf18("3","3","6","4","1","2","1") = "5"
    & skf18("3","3","6","4","1","3","1") = "5"
    & skf18("3","3","6","4","1","4","1") = "5"
    & skf18("3","3","6","4","1","5","1") = "5"
    & skf18("3","3","6","4","1","6","1") = "5"
    & skf18("3","3","6","4","1","7","1") = "6"
    & skf18("3","3","6","4","1","8","1") = "7"
    & skf18("3","3","6","4","1","9","1") = "8"
    & skf18("3","3","6","4","1","10","1") = "9"
    & skf18("3","3","6","4","2","1","1") = "5"
    & skf18("3","3","6","4","2","2","1") = "5"
    & skf18("3","3","6","4","2","3","1") = "5"
    & skf18("3","3","6","4","2","4","1") = "5"
    & skf18("3","3","6","4","2","5","1") = "5"
    & skf18("3","3","6","4","2","6","1") = "5"
    & skf18("3","3","6","4","2","7","1") = "6"
    & skf18("3","3","6","4","2","8","1") = "7"
    & skf18("3","3","6","4","2","9","1") = "8"
    & skf18("3","3","6","4","2","10","1") = "9"
    & skf18("3","3","6","4","3","1","1") = "5"
    & skf18("3","3","6","4","3","2","1") = "5"
    & skf18("3","3","6","4","3","3","1") = "5"
    & skf18("3","3","6","4","3","4","1") = "5"
    & skf18("3","3","6","4","3","5","1") = "5"
    & skf18("3","3","6","4","3","6","1") = "5"
    & skf18("3","3","6","4","3","7","1") = "6"
    & skf18("3","3","6","4","3","8","1") = "7"
    & skf18("3","3","6","4","3","9","1") = "8"
    & skf18("3","3","6","4","3","10","1") = "9"
    & skf18("3","3","6","4","4","1","1") = "5"
    & skf18("3","3","6","4","4","2","1") = "5"
    & skf18("3","3","6","4","4","3","1") = "5"
    & skf18("3","3","6","4","4","4","1") = "5"
    & skf18("3","3","6","4","4","5","1") = "5"
    & skf18("3","3","6","4","4","6","1") = "5"
    & skf18("3","3","6","4","4","7","1") = "6"
    & skf18("3","3","6","4","4","8","1") = "7"
    & skf18("3","3","6","4","4","9","1") = "8"
    & skf18("3","3","6","4","4","10","1") = "9"
    & skf18("3","3","6","4","5","1","1") = "5"
    & skf18("3","3","6","4","5","2","1") = "5"
    & skf18("3","3","6","4","5","3","1") = "5"
    & skf18("3","3","6","4","5","4","1") = "5"
    & skf18("3","3","6","4","5","5","1") = "5"
    & skf18("3","3","6","4","5","6","1") = "5"
    & skf18("3","3","6","4","5","7","1") = "6"
    & skf18("3","3","6","4","5","8","1") = "7"
    & skf18("3","3","6","4","5","9","1") = "8"
    & skf18("3","3","6","4","5","10","1") = "9"
    & skf18("3","3","6","4","6","1","1") = "5"
    & skf18("3","3","6","4","6","2","1") = "5"
    & skf18("3","3","6","4","6","3","1") = "5"
    & skf18("3","3","6","4","6","4","1") = "5"
    & skf18("3","3","6","4","6","5","1") = "5"
    & skf18("3","3","6","4","6","6","1") = "5"
    & skf18("3","3","6","4","6","7","1") = "6"
    & skf18("3","3","6","4","6","8","1") = "7"
    & skf18("3","3","6","4","6","9","1") = "8"
    & skf18("3","3","6","4","6","10","1") = "9"
    & skf18("3","3","6","4","7","1","1") = "6"
    & skf18("3","3","6","4","7","2","1") = "6"
    & skf18("3","3","6","4","7","3","1") = "6"
    & skf18("3","3","6","4","7","4","1") = "6"
    & skf18("3","3","6","4","7","5","1") = "6"
    & skf18("3","3","6","4","7","6","1") = "6"
    & skf18("3","3","6","4","7","7","1") = "6"
    & skf18("3","3","6","4","7","8","1") = "7"
    & skf18("3","3","6","4","7","9","1") = "8"
    & skf18("3","3","6","4","7","10","1") = "9"
    & skf18("3","3","6","4","8","1","1") = "7"
    & skf18("3","3","6","4","8","2","1") = "7"
    & skf18("3","3","6","4","8","3","1") = "7"
    & skf18("3","3","6","4","8","4","1") = "7"
    & skf18("3","3","6","4","8","5","1") = "7"
    & skf18("3","3","6","4","8","6","1") = "7"
    & skf18("3","3","6","4","8","7","1") = "7"
    & skf18("3","3","6","4","8","8","1") = "7"
    & skf18("3","3","6","4","8","9","1") = "8"
    & skf18("3","3","6","4","8","10","1") = "9"
    & skf18("3","3","6","4","9","1","1") = "8"
    & skf18("3","3","6","4","9","2","1") = "8"
    & skf18("3","3","6","4","9","3","1") = "8"
    & skf18("3","3","6","4","9","4","1") = "8"
    & skf18("3","3","6","4","9","5","1") = "8"
    & skf18("3","3","6","4","9","6","1") = "8"
    & skf18("3","3","6","4","9","7","1") = "8"
    & skf18("3","3","6","4","9","8","1") = "8"
    & skf18("3","3","6","4","9","9","1") = "8"
    & skf18("3","3","6","4","9","10","1") = "9"
    & skf18("3","3","6","4","10","1","1") = "9"
    & skf18("3","3","6","4","10","2","1") = "9"
    & skf18("3","3","6","4","10","3","1") = "9"
    & skf18("3","3","6","4","10","4","1") = "9"
    & skf18("3","3","6","4","10","5","1") = "9"
    & skf18("3","3","6","4","10","6","1") = "9"
    & skf18("3","3","6","4","10","7","1") = "9"
    & skf18("3","3","6","4","10","8","1") = "9"
    & skf18("3","3","6","4","10","9","1") = "9"
    & skf18("3","3","6","4","10","10","1") = "9"
    & skf18("3","3","6","5","1","1","1") = "5"
    & skf18("3","3","6","5","1","2","1") = "5"
    & skf18("3","3","6","5","1","3","1") = "5"
    & skf18("3","3","6","5","1","4","1") = "5"
    & skf18("3","3","6","5","1","5","1") = "5"
    & skf18("3","3","6","5","1","6","1") = "5"
    & skf18("3","3","6","5","1","7","1") = "6"
    & skf18("3","3","6","5","1","8","1") = "7"
    & skf18("3","3","6","5","1","9","1") = "8"
    & skf18("3","3","6","5","1","10","1") = "9"
    & skf18("3","3","6","5","2","1","1") = "5"
    & skf18("3","3","6","5","2","2","1") = "5"
    & skf18("3","3","6","5","2","3","1") = "5"
    & skf18("3","3","6","5","2","4","1") = "5"
    & skf18("3","3","6","5","2","5","1") = "5"
    & skf18("3","3","6","5","2","6","1") = "5"
    & skf18("3","3","6","5","2","7","1") = "6"
    & skf18("3","3","6","5","2","8","1") = "7"
    & skf18("3","3","6","5","2","9","1") = "8"
    & skf18("3","3","6","5","2","10","1") = "9"
    & skf18("3","3","6","5","3","1","1") = "5"
    & skf18("3","3","6","5","3","2","1") = "5"
    & skf18("3","3","6","5","3","3","1") = "5"
    & skf18("3","3","6","5","3","4","1") = "5"
    & skf18("3","3","6","5","3","5","1") = "5"
    & skf18("3","3","6","5","3","6","1") = "5"
    & skf18("3","3","6","5","3","7","1") = "6"
    & skf18("3","3","6","5","3","8","1") = "7"
    & skf18("3","3","6","5","3","9","1") = "8"
    & skf18("3","3","6","5","3","10","1") = "9"
    & skf18("3","3","6","5","4","1","1") = "5"
    & skf18("3","3","6","5","4","2","1") = "5"
    & skf18("3","3","6","5","4","3","1") = "5"
    & skf18("3","3","6","5","4","4","1") = "5"
    & skf18("3","3","6","5","4","5","1") = "5"
    & skf18("3","3","6","5","4","6","1") = "5"
    & skf18("3","3","6","5","4","7","1") = "6"
    & skf18("3","3","6","5","4","8","1") = "7"
    & skf18("3","3","6","5","4","9","1") = "8"
    & skf18("3","3","6","5","4","10","1") = "9"
    & skf18("3","3","6","5","5","1","1") = "5"
    & skf18("3","3","6","5","5","2","1") = "5"
    & skf18("3","3","6","5","5","3","1") = "5"
    & skf18("3","3","6","5","5","4","1") = "5"
    & skf18("3","3","6","5","5","5","1") = "5"
    & skf18("3","3","6","5","5","6","1") = "5"
    & skf18("3","3","6","5","5","7","1") = "6"
    & skf18("3","3","6","5","5","8","1") = "7"
    & skf18("3","3","6","5","5","9","1") = "8"
    & skf18("3","3","6","5","5","10","1") = "9"
    & skf18("3","3","6","5","6","1","1") = "5"
    & skf18("3","3","6","5","6","2","1") = "5"
    & skf18("3","3","6","5","6","3","1") = "5"
    & skf18("3","3","6","5","6","4","1") = "5"
    & skf18("3","3","6","5","6","5","1") = "5"
    & skf18("3","3","6","5","6","6","1") = "5"
    & skf18("3","3","6","5","6","7","1") = "6"
    & skf18("3","3","6","5","6","8","1") = "7"
    & skf18("3","3","6","5","6","9","1") = "8"
    & skf18("3","3","6","5","6","10","1") = "9"
    & skf18("3","3","6","5","7","1","1") = "6"
    & skf18("3","3","6","5","7","2","1") = "6"
    & skf18("3","3","6","5","7","3","1") = "6"
    & skf18("3","3","6","5","7","4","1") = "6"
    & skf18("3","3","6","5","7","5","1") = "6"
    & skf18("3","3","6","5","7","6","1") = "6"
    & skf18("3","3","6","5","7","7","1") = "6"
    & skf18("3","3","6","5","7","8","1") = "7"
    & skf18("3","3","6","5","7","9","1") = "8"
    & skf18("3","3","6","5","7","10","1") = "9"
    & skf18("3","3","6","5","8","1","1") = "7"
    & skf18("3","3","6","5","8","2","1") = "7"
    & skf18("3","3","6","5","8","3","1") = "7"
    & skf18("3","3","6","5","8","4","1") = "7"
    & skf18("3","3","6","5","8","5","1") = "7"
    & skf18("3","3","6","5","8","6","1") = "7"
    & skf18("3","3","6","5","8","7","1") = "7"
    & skf18("3","3","6","5","8","8","1") = "7"
    & skf18("3","3","6","5","8","9","1") = "8"
    & skf18("3","3","6","5","8","10","1") = "9"
    & skf18("3","3","6","5","9","1","1") = "8"
    & skf18("3","3","6","5","9","2","1") = "8"
    & skf18("3","3","6","5","9","3","1") = "8"
    & skf18("3","3","6","5","9","4","1") = "8"
    & skf18("3","3","6","5","9","5","1") = "8"
    & skf18("3","3","6","5","9","6","1") = "8"
    & skf18("3","3","6","5","9","7","1") = "8"
    & skf18("3","3","6","5","9","8","1") = "8"
    & skf18("3","3","6","5","9","9","1") = "8"
    & skf18("3","3","6","5","9","10","1") = "9"
    & skf18("3","3","6","5","10","1","1") = "9"
    & skf18("3","3","6","5","10","2","1") = "9"
    & skf18("3","3","6","5","10","3","1") = "9"
    & skf18("3","3","6","5","10","4","1") = "9"
    & skf18("3","3","6","5","10","5","1") = "9"
    & skf18("3","3","6","5","10","6","1") = "9"
    & skf18("3","3","6","5","10","7","1") = "9"
    & skf18("3","3","6","5","10","8","1") = "9"
    & skf18("3","3","6","5","10","9","1") = "9"
    & skf18("3","3","6","5","10","10","1") = "9"
    & skf18("3","3","6","6","1","1","1") = "5"
    & skf18("3","3","6","6","1","2","1") = "5"
    & skf18("3","3","6","6","1","3","1") = "5"
    & skf18("3","3","6","6","1","4","1") = "5"
    & skf18("3","3","6","6","1","5","1") = "5"
    & skf18("3","3","6","6","1","6","1") = "5"
    & skf18("3","3","6","6","1","7","1") = "6"
    & skf18("3","3","6","6","1","8","1") = "7"
    & skf18("3","3","6","6","1","9","1") = "8"
    & skf18("3","3","6","6","1","10","1") = "9"
    & skf18("3","3","6","6","2","1","1") = "5"
    & skf18("3","3","6","6","2","2","1") = "5"
    & skf18("3","3","6","6","2","3","1") = "5"
    & skf18("3","3","6","6","2","4","1") = "5"
    & skf18("3","3","6","6","2","5","1") = "5"
    & skf18("3","3","6","6","2","6","1") = "5"
    & skf18("3","3","6","6","2","7","1") = "6"
    & skf18("3","3","6","6","2","8","1") = "7"
    & skf18("3","3","6","6","2","9","1") = "8"
    & skf18("3","3","6","6","2","10","1") = "9"
    & skf18("3","3","6","6","3","1","1") = "5"
    & skf18("3","3","6","6","3","2","1") = "5"
    & skf18("3","3","6","6","3","3","1") = "5"
    & skf18("3","3","6","6","3","4","1") = "5"
    & skf18("3","3","6","6","3","5","1") = "5"
    & skf18("3","3","6","6","3","6","1") = "5"
    & skf18("3","3","6","6","3","7","1") = "6"
    & skf18("3","3","6","6","3","8","1") = "7"
    & skf18("3","3","6","6","3","9","1") = "8"
    & skf18("3","3","6","6","3","10","1") = "9"
    & skf18("3","3","6","6","4","1","1") = "5"
    & skf18("3","3","6","6","4","2","1") = "5"
    & skf18("3","3","6","6","4","3","1") = "5"
    & skf18("3","3","6","6","4","4","1") = "5"
    & skf18("3","3","6","6","4","5","1") = "5"
    & skf18("3","3","6","6","4","6","1") = "5"
    & skf18("3","3","6","6","4","7","1") = "6"
    & skf18("3","3","6","6","4","8","1") = "7"
    & skf18("3","3","6","6","4","9","1") = "8"
    & skf18("3","3","6","6","4","10","1") = "9"
    & skf18("3","3","6","6","5","1","1") = "5"
    & skf18("3","3","6","6","5","2","1") = "5"
    & skf18("3","3","6","6","5","3","1") = "5"
    & skf18("3","3","6","6","5","4","1") = "5"
    & skf18("3","3","6","6","5","5","1") = "5"
    & skf18("3","3","6","6","5","6","1") = "5"
    & skf18("3","3","6","6","5","7","1") = "6"
    & skf18("3","3","6","6","5","8","1") = "7"
    & skf18("3","3","6","6","5","9","1") = "8"
    & skf18("3","3","6","6","5","10","1") = "9"
    & skf18("3","3","6","6","6","1","1") = "5"
    & skf18("3","3","6","6","6","2","1") = "5"
    & skf18("3","3","6","6","6","3","1") = "5"
    & skf18("3","3","6","6","6","4","1") = "5"
    & skf18("3","3","6","6","6","5","1") = "5"
    & skf18("3","3","6","6","6","6","1") = "5"
    & skf18("3","3","6","6","6","7","1") = "6"
    & skf18("3","3","6","6","6","8","1") = "7"
    & skf18("3","3","6","6","6","9","1") = "8"
    & skf18("3","3","6","6","6","10","1") = "9"
    & skf18("3","3","6","6","7","1","1") = "6"
    & skf18("3","3","6","6","7","2","1") = "6"
    & skf18("3","3","6","6","7","3","1") = "6"
    & skf18("3","3","6","6","7","4","1") = "6"
    & skf18("3","3","6","6","7","5","1") = "6"
    & skf18("3","3","6","6","7","6","1") = "6"
    & skf18("3","3","6","6","7","7","1") = "6"
    & skf18("3","3","6","6","7","8","1") = "7"
    & skf18("3","3","6","6","7","9","1") = "8"
    & skf18("3","3","6","6","7","10","1") = "9"
    & skf18("3","3","6","6","8","1","1") = "7"
    & skf18("3","3","6","6","8","2","1") = "7"
    & skf18("3","3","6","6","8","3","1") = "7"
    & skf18("3","3","6","6","8","4","1") = "7"
    & skf18("3","3","6","6","8","5","1") = "7"
    & skf18("3","3","6","6","8","6","1") = "7"
    & skf18("3","3","6","6","8","7","1") = "7"
    & skf18("3","3","6","6","8","8","1") = "7"
    & skf18("3","3","6","6","8","9","1") = "8"
    & skf18("3","3","6","6","8","10","1") = "9"
    & skf18("3","3","6","6","9","1","1") = "8"
    & skf18("3","3","6","6","9","2","1") = "8"
    & skf18("3","3","6","6","9","3","1") = "8"
    & skf18("3","3","6","6","9","4","1") = "8"
    & skf18("3","3","6","6","9","5","1") = "8"
    & skf18("3","3","6","6","9","6","1") = "8"
    & skf18("3","3","6","6","9","7","1") = "8"
    & skf18("3","3","6","6","9","8","1") = "8"
    & skf18("3","3","6","6","9","9","1") = "8"
    & skf18("3","3","6","6","9","10","1") = "9"
    & skf18("3","3","6","6","10","1","1") = "9"
    & skf18("3","3","6","6","10","2","1") = "9"
    & skf18("3","3","6","6","10","3","1") = "9"
    & skf18("3","3","6","6","10","4","1") = "9"
    & skf18("3","3","6","6","10","5","1") = "9"
    & skf18("3","3","6","6","10","6","1") = "9"
    & skf18("3","3","6","6","10","7","1") = "9"
    & skf18("3","3","6","6","10","8","1") = "9"
    & skf18("3","3","6","6","10","9","1") = "9"
    & skf18("3","3","6","6","10","10","1") = "9"
    & skf18("3","3","6","7","1","1","1") = "6"
    & skf18("3","3","6","7","1","2","1") = "6"
    & skf18("3","3","6","7","1","3","1") = "6"
    & skf18("3","3","6","7","1","4","1") = "6"
    & skf18("3","3","6","7","1","5","1") = "6"
    & skf18("3","3","6","7","1","6","1") = "6"
    & skf18("3","3","6","7","1","7","1") = "6"
    & skf18("3","3","6","7","1","8","1") = "7"
    & skf18("3","3","6","7","1","9","1") = "8"
    & skf18("3","3","6","7","1","10","1") = "9"
    & skf18("3","3","6","7","2","1","1") = "6"
    & skf18("3","3","6","7","2","2","1") = "6"
    & skf18("3","3","6","7","2","3","1") = "6"
    & skf18("3","3","6","7","2","4","1") = "6"
    & skf18("3","3","6","7","2","5","1") = "6"
    & skf18("3","3","6","7","2","6","1") = "6"
    & skf18("3","3","6","7","2","7","1") = "6"
    & skf18("3","3","6","7","2","8","1") = "7"
    & skf18("3","3","6","7","2","9","1") = "8"
    & skf18("3","3","6","7","2","10","1") = "9"
    & skf18("3","3","6","7","3","1","1") = "6"
    & skf18("3","3","6","7","3","2","1") = "6"
    & skf18("3","3","6","7","3","3","1") = "6"
    & skf18("3","3","6","7","3","4","1") = "6"
    & skf18("3","3","6","7","3","5","1") = "6"
    & skf18("3","3","6","7","3","6","1") = "6"
    & skf18("3","3","6","7","3","7","1") = "6"
    & skf18("3","3","6","7","3","8","1") = "7"
    & skf18("3","3","6","7","3","9","1") = "8"
    & skf18("3","3","6","7","3","10","1") = "9"
    & skf18("3","3","6","7","4","1","1") = "6"
    & skf18("3","3","6","7","4","2","1") = "6"
    & skf18("3","3","6","7","4","3","1") = "6"
    & skf18("3","3","6","7","4","4","1") = "6"
    & skf18("3","3","6","7","4","5","1") = "6"
    & skf18("3","3","6","7","4","6","1") = "6"
    & skf18("3","3","6","7","4","7","1") = "6"
    & skf18("3","3","6","7","4","8","1") = "7"
    & skf18("3","3","6","7","4","9","1") = "8"
    & skf18("3","3","6","7","4","10","1") = "9"
    & skf18("3","3","6","7","5","1","1") = "6"
    & skf18("3","3","6","7","5","2","1") = "6"
    & skf18("3","3","6","7","5","3","1") = "6"
    & skf18("3","3","6","7","5","4","1") = "6"
    & skf18("3","3","6","7","5","5","1") = "6"
    & skf18("3","3","6","7","5","6","1") = "6"
    & skf18("3","3","6","7","5","7","1") = "6"
    & skf18("3","3","6","7","5","8","1") = "7"
    & skf18("3","3","6","7","5","9","1") = "8"
    & skf18("3","3","6","7","5","10","1") = "9"
    & skf18("3","3","6","7","6","1","1") = "6"
    & skf18("3","3","6","7","6","2","1") = "6"
    & skf18("3","3","6","7","6","3","1") = "6"
    & skf18("3","3","6","7","6","4","1") = "6"
    & skf18("3","3","6","7","6","5","1") = "6"
    & skf18("3","3","6","7","6","6","1") = "6"
    & skf18("3","3","6","7","6","7","1") = "6"
    & skf18("3","3","6","7","6","8","1") = "7"
    & skf18("3","3","6","7","6","9","1") = "8"
    & skf18("3","3","6","7","6","10","1") = "9"
    & skf18("3","3","6","7","7","1","1") = "6"
    & skf18("3","3","6","7","7","2","1") = "6"
    & skf18("3","3","6","7","7","3","1") = "6"
    & skf18("3","3","6","7","7","4","1") = "6"
    & skf18("3","3","6","7","7","5","1") = "6"
    & skf18("3","3","6","7","7","6","1") = "6"
    & skf18("3","3","6","7","7","7","1") = "6"
    & skf18("3","3","6","7","7","8","1") = "7"
    & skf18("3","3","6","7","7","9","1") = "8"
    & skf18("3","3","6","7","7","10","1") = "9"
    & skf18("3","3","6","7","8","1","1") = "7"
    & skf18("3","3","6","7","8","2","1") = "7"
    & skf18("3","3","6","7","8","3","1") = "7"
    & skf18("3","3","6","7","8","4","1") = "7"
    & skf18("3","3","6","7","8","5","1") = "7"
    & skf18("3","3","6","7","8","6","1") = "7"
    & skf18("3","3","6","7","8","7","1") = "7"
    & skf18("3","3","6","7","8","8","1") = "7"
    & skf18("3","3","6","7","8","9","1") = "8"
    & skf18("3","3","6","7","8","10","1") = "9"
    & skf18("3","3","6","7","9","1","1") = "8"
    & skf18("3","3","6","7","9","2","1") = "8"
    & skf18("3","3","6","7","9","3","1") = "8"
    & skf18("3","3","6","7","9","4","1") = "8"
    & skf18("3","3","6","7","9","5","1") = "8"
    & skf18("3","3","6","7","9","6","1") = "8"
    & skf18("3","3","6","7","9","7","1") = "8"
    & skf18("3","3","6","7","9","8","1") = "8"
    & skf18("3","3","6","7","9","9","1") = "8"
    & skf18("3","3","6","7","9","10","1") = "9"
    & skf18("3","3","6","7","10","1","1") = "9"
    & skf18("3","3","6","7","10","2","1") = "9"
    & skf18("3","3","6","7","10","3","1") = "9"
    & skf18("3","3","6","7","10","4","1") = "9"
    & skf18("3","3","6","7","10","5","1") = "9"
    & skf18("3","3","6","7","10","6","1") = "9"
    & skf18("3","3","6","7","10","7","1") = "9"
    & skf18("3","3","6","7","10","8","1") = "9"
    & skf18("3","3","6","7","10","9","1") = "9"
    & skf18("3","3","6","7","10","10","1") = "9"
    & skf18("3","3","6","8","1","1","1") = "7"
    & skf18("3","3","6","8","1","2","1") = "7"
    & skf18("3","3","6","8","1","3","1") = "7"
    & skf18("3","3","6","8","1","4","1") = "7"
    & skf18("3","3","6","8","1","5","1") = "7"
    & skf18("3","3","6","8","1","6","1") = "7"
    & skf18("3","3","6","8","1","7","1") = "7"
    & skf18("3","3","6","8","1","8","1") = "7"
    & skf18("3","3","6","8","1","9","1") = "8"
    & skf18("3","3","6","8","1","10","1") = "9"
    & skf18("3","3","6","8","2","1","1") = "7"
    & skf18("3","3","6","8","2","2","1") = "7"
    & skf18("3","3","6","8","2","3","1") = "7"
    & skf18("3","3","6","8","2","4","1") = "7"
    & skf18("3","3","6","8","2","5","1") = "7"
    & skf18("3","3","6","8","2","6","1") = "7"
    & skf18("3","3","6","8","2","7","1") = "7"
    & skf18("3","3","6","8","2","8","1") = "7"
    & skf18("3","3","6","8","2","9","1") = "8"
    & skf18("3","3","6","8","2","10","1") = "9"
    & skf18("3","3","6","8","3","1","1") = "7"
    & skf18("3","3","6","8","3","2","1") = "7"
    & skf18("3","3","6","8","3","3","1") = "7"
    & skf18("3","3","6","8","3","4","1") = "7"
    & skf18("3","3","6","8","3","5","1") = "7"
    & skf18("3","3","6","8","3","6","1") = "7"
    & skf18("3","3","6","8","3","7","1") = "7"
    & skf18("3","3","6","8","3","8","1") = "7"
    & skf18("3","3","6","8","3","9","1") = "8"
    & skf18("3","3","6","8","3","10","1") = "9"
    & skf18("3","3","6","8","4","1","1") = "7"
    & skf18("3","3","6","8","4","2","1") = "7"
    & skf18("3","3","6","8","4","3","1") = "7"
    & skf18("3","3","6","8","4","4","1") = "7"
    & skf18("3","3","6","8","4","5","1") = "7"
    & skf18("3","3","6","8","4","6","1") = "7"
    & skf18("3","3","6","8","4","7","1") = "7"
    & skf18("3","3","6","8","4","8","1") = "7"
    & skf18("3","3","6","8","4","9","1") = "8"
    & skf18("3","3","6","8","4","10","1") = "9"
    & skf18("3","3","6","8","5","1","1") = "7"
    & skf18("3","3","6","8","5","2","1") = "7"
    & skf18("3","3","6","8","5","3","1") = "7"
    & skf18("3","3","6","8","5","4","1") = "7"
    & skf18("3","3","6","8","5","5","1") = "7"
    & skf18("3","3","6","8","5","6","1") = "7"
    & skf18("3","3","6","8","5","7","1") = "7"
    & skf18("3","3","6","8","5","8","1") = "7"
    & skf18("3","3","6","8","5","9","1") = "8"
    & skf18("3","3","6","8","5","10","1") = "9"
    & skf18("3","3","6","8","6","1","1") = "7"
    & skf18("3","3","6","8","6","2","1") = "7"
    & skf18("3","3","6","8","6","3","1") = "7"
    & skf18("3","3","6","8","6","4","1") = "7"
    & skf18("3","3","6","8","6","5","1") = "7"
    & skf18("3","3","6","8","6","6","1") = "7"
    & skf18("3","3","6","8","6","7","1") = "7"
    & skf18("3","3","6","8","6","8","1") = "7"
    & skf18("3","3","6","8","6","9","1") = "8"
    & skf18("3","3","6","8","6","10","1") = "9"
    & skf18("3","3","6","8","7","1","1") = "7"
    & skf18("3","3","6","8","7","2","1") = "7"
    & skf18("3","3","6","8","7","3","1") = "7"
    & skf18("3","3","6","8","7","4","1") = "7"
    & skf18("3","3","6","8","7","5","1") = "7"
    & skf18("3","3","6","8","7","6","1") = "7"
    & skf18("3","3","6","8","7","7","1") = "7"
    & skf18("3","3","6","8","7","8","1") = "7"
    & skf18("3","3","6","8","7","9","1") = "8"
    & skf18("3","3","6","8","7","10","1") = "9"
    & skf18("3","3","6","8","8","1","1") = "7"
    & skf18("3","3","6","8","8","2","1") = "7"
    & skf18("3","3","6","8","8","3","1") = "7"
    & skf18("3","3","6","8","8","4","1") = "7"
    & skf18("3","3","6","8","8","5","1") = "7"
    & skf18("3","3","6","8","8","6","1") = "7"
    & skf18("3","3","6","8","8","7","1") = "7"
    & skf18("3","3","6","8","8","8","1") = "7"
    & skf18("3","3","6","8","8","9","1") = "8"
    & skf18("3","3","6","8","8","10","1") = "9"
    & skf18("3","3","6","8","9","1","1") = "8"
    & skf18("3","3","6","8","9","2","1") = "8"
    & skf18("3","3","6","8","9","3","1") = "8"
    & skf18("3","3","6","8","9","4","1") = "8"
    & skf18("3","3","6","8","9","5","1") = "8"
    & skf18("3","3","6","8","9","6","1") = "8"
    & skf18("3","3","6","8","9","7","1") = "8"
    & skf18("3","3","6","8","9","8","1") = "8"
    & skf18("3","3","6","8","9","9","1") = "8"
    & skf18("3","3","6","8","9","10","1") = "9"
    & skf18("3","3","6","8","10","1","1") = "9"
    & skf18("3","3","6","8","10","2","1") = "9"
    & skf18("3","3","6","8","10","3","1") = "9"
    & skf18("3","3","6","8","10","4","1") = "9"
    & skf18("3","3","6","8","10","5","1") = "9"
    & skf18("3","3","6","8","10","6","1") = "9"
    & skf18("3","3","6","8","10","7","1") = "9"
    & skf18("3","3","6","8","10","8","1") = "9"
    & skf18("3","3","6","8","10","9","1") = "9"
    & skf18("3","3","6","8","10","10","1") = "9"
    & skf18("3","3","6","9","1","1","1") = "8"
    & skf18("3","3","6","9","1","2","1") = "8"
    & skf18("3","3","6","9","1","3","1") = "8"
    & skf18("3","3","6","9","1","4","1") = "8"
    & skf18("3","3","6","9","1","5","1") = "8"
    & skf18("3","3","6","9","1","6","1") = "8"
    & skf18("3","3","6","9","1","7","1") = "8"
    & skf18("3","3","6","9","1","8","1") = "8"
    & skf18("3","3","6","9","1","9","1") = "8"
    & skf18("3","3","6","9","1","10","1") = "9"
    & skf18("3","3","6","9","2","1","1") = "8"
    & skf18("3","3","6","9","2","2","1") = "8"
    & skf18("3","3","6","9","2","3","1") = "8"
    & skf18("3","3","6","9","2","4","1") = "8"
    & skf18("3","3","6","9","2","5","1") = "8"
    & skf18("3","3","6","9","2","6","1") = "8"
    & skf18("3","3","6","9","2","7","1") = "8"
    & skf18("3","3","6","9","2","8","1") = "8"
    & skf18("3","3","6","9","2","9","1") = "8"
    & skf18("3","3","6","9","2","10","1") = "9"
    & skf18("3","3","6","9","3","1","1") = "8"
    & skf18("3","3","6","9","3","2","1") = "8"
    & skf18("3","3","6","9","3","3","1") = "8"
    & skf18("3","3","6","9","3","4","1") = "8"
    & skf18("3","3","6","9","3","5","1") = "8"
    & skf18("3","3","6","9","3","6","1") = "8"
    & skf18("3","3","6","9","3","7","1") = "8"
    & skf18("3","3","6","9","3","8","1") = "8"
    & skf18("3","3","6","9","3","9","1") = "8"
    & skf18("3","3","6","9","3","10","1") = "9"
    & skf18("3","3","6","9","4","1","1") = "8"
    & skf18("3","3","6","9","4","2","1") = "8"
    & skf18("3","3","6","9","4","3","1") = "8"
    & skf18("3","3","6","9","4","4","1") = "8"
    & skf18("3","3","6","9","4","5","1") = "8"
    & skf18("3","3","6","9","4","6","1") = "8"
    & skf18("3","3","6","9","4","7","1") = "8"
    & skf18("3","3","6","9","4","8","1") = "8"
    & skf18("3","3","6","9","4","9","1") = "8"
    & skf18("3","3","6","9","4","10","1") = "9"
    & skf18("3","3","6","9","5","1","1") = "8"
    & skf18("3","3","6","9","5","2","1") = "8"
    & skf18("3","3","6","9","5","3","1") = "8"
    & skf18("3","3","6","9","5","4","1") = "8"
    & skf18("3","3","6","9","5","5","1") = "8"
    & skf18("3","3","6","9","5","6","1") = "8"
    & skf18("3","3","6","9","5","7","1") = "8"
    & skf18("3","3","6","9","5","8","1") = "8"
    & skf18("3","3","6","9","5","9","1") = "8"
    & skf18("3","3","6","9","5","10","1") = "9"
    & skf18("3","3","6","9","6","1","1") = "8"
    & skf18("3","3","6","9","6","2","1") = "8"
    & skf18("3","3","6","9","6","3","1") = "8"
    & skf18("3","3","6","9","6","4","1") = "8"
    & skf18("3","3","6","9","6","5","1") = "8"
    & skf18("3","3","6","9","6","6","1") = "8"
    & skf18("3","3","6","9","6","7","1") = "8"
    & skf18("3","3","6","9","6","8","1") = "8"
    & skf18("3","3","6","9","6","9","1") = "8"
    & skf18("3","3","6","9","6","10","1") = "9"
    & skf18("3","3","6","9","7","1","1") = "8"
    & skf18("3","3","6","9","7","2","1") = "8"
    & skf18("3","3","6","9","7","3","1") = "8"
    & skf18("3","3","6","9","7","4","1") = "8"
    & skf18("3","3","6","9","7","5","1") = "8"
    & skf18("3","3","6","9","7","6","1") = "8"
    & skf18("3","3","6","9","7","7","1") = "8"
    & skf18("3","3","6","9","7","8","1") = "8"
    & skf18("3","3","6","9","7","9","1") = "8"
    & skf18("3","3","6","9","7","10","1") = "9"
    & skf18("3","3","6","9","8","1","1") = "8"
    & skf18("3","3","6","9","8","2","1") = "8"
    & skf18("3","3","6","9","8","3","1") = "8"
    & skf18("3","3","6","9","8","4","1") = "8"
    & skf18("3","3","6","9","8","5","1") = "8"
    & skf18("3","3","6","9","8","6","1") = "8"
    & skf18("3","3","6","9","8","7","1") = "8"
    & skf18("3","3","6","9","8","8","1") = "8"
    & skf18("3","3","6","9","8","9","1") = "8"
    & skf18("3","3","6","9","8","10","1") = "9"
    & skf18("3","3","6","9","9","1","1") = "8"
    & skf18("3","3","6","9","9","2","1") = "8"
    & skf18("3","3","6","9","9","3","1") = "8"
    & skf18("3","3","6","9","9","4","1") = "8"
    & skf18("3","3","6","9","9","5","1") = "8"
    & skf18("3","3","6","9","9","6","1") = "8"
    & skf18("3","3","6","9","9","7","1") = "8"
    & skf18("3","3","6","9","9","8","1") = "8"
    & skf18("3","3","6","9","9","9","1") = "8"
    & skf18("3","3","6","9","9","10","1") = "9"
    & skf18("3","3","6","9","10","1","1") = "9"
    & skf18("3","3","6","9","10","2","1") = "9"
    & skf18("3","3","6","9","10","3","1") = "9"
    & skf18("3","3","6","9","10","4","1") = "9"
    & skf18("3","3","6","9","10","5","1") = "9"
    & skf18("3","3","6","9","10","6","1") = "9"
    & skf18("3","3","6","9","10","7","1") = "9"
    & skf18("3","3","6","9","10","8","1") = "9"
    & skf18("3","3","6","9","10","9","1") = "9"
    & skf18("3","3","6","9","10","10","1") = "9"
    & skf18("3","3","6","10","1","1","1") = "9"
    & skf18("3","3","6","10","1","2","1") = "9"
    & skf18("3","3","6","10","1","3","1") = "9"
    & skf18("3","3","6","10","1","4","1") = "9"
    & skf18("3","3","6","10","1","5","1") = "9"
    & skf18("3","3","6","10","1","6","1") = "9"
    & skf18("3","3","6","10","1","7","1") = "9"
    & skf18("3","3","6","10","1","8","1") = "9"
    & skf18("3","3","6","10","1","9","1") = "9"
    & skf18("3","3","6","10","1","10","1") = "9"
    & skf18("3","3","6","10","2","1","1") = "9"
    & skf18("3","3","6","10","2","2","1") = "9"
    & skf18("3","3","6","10","2","3","1") = "9"
    & skf18("3","3","6","10","2","4","1") = "9"
    & skf18("3","3","6","10","2","5","1") = "9"
    & skf18("3","3","6","10","2","6","1") = "9"
    & skf18("3","3","6","10","2","7","1") = "9"
    & skf18("3","3","6","10","2","8","1") = "9"
    & skf18("3","3","6","10","2","9","1") = "9"
    & skf18("3","3","6","10","2","10","1") = "9"
    & skf18("3","3","6","10","3","1","1") = "9"
    & skf18("3","3","6","10","3","2","1") = "9"
    & skf18("3","3","6","10","3","3","1") = "9"
    & skf18("3","3","6","10","3","4","1") = "9"
    & skf18("3","3","6","10","3","5","1") = "9"
    & skf18("3","3","6","10","3","6","1") = "9"
    & skf18("3","3","6","10","3","7","1") = "9"
    & skf18("3","3","6","10","3","8","1") = "9"
    & skf18("3","3","6","10","3","9","1") = "9"
    & skf18("3","3","6","10","3","10","1") = "9"
    & skf18("3","3","6","10","4","1","1") = "9"
    & skf18("3","3","6","10","4","2","1") = "9"
    & skf18("3","3","6","10","4","3","1") = "9"
    & skf18("3","3","6","10","4","4","1") = "9"
    & skf18("3","3","6","10","4","5","1") = "9"
    & skf18("3","3","6","10","4","6","1") = "9"
    & skf18("3","3","6","10","4","7","1") = "9"
    & skf18("3","3","6","10","4","8","1") = "9"
    & skf18("3","3","6","10","4","9","1") = "9"
    & skf18("3","3","6","10","4","10","1") = "9"
    & skf18("3","3","6","10","5","1","1") = "9"
    & skf18("3","3","6","10","5","2","1") = "9"
    & skf18("3","3","6","10","5","3","1") = "9"
    & skf18("3","3","6","10","5","4","1") = "9"
    & skf18("3","3","6","10","5","5","1") = "9"
    & skf18("3","3","6","10","5","6","1") = "9"
    & skf18("3","3","6","10","5","7","1") = "9"
    & skf18("3","3","6","10","5","8","1") = "9"
    & skf18("3","3","6","10","5","9","1") = "9"
    & skf18("3","3","6","10","5","10","1") = "9"
    & skf18("3","3","6","10","6","1","1") = "9"
    & skf18("3","3","6","10","6","2","1") = "9"
    & skf18("3","3","6","10","6","3","1") = "9"
    & skf18("3","3","6","10","6","4","1") = "9"
    & skf18("3","3","6","10","6","5","1") = "9"
    & skf18("3","3","6","10","6","6","1") = "9"
    & skf18("3","3","6","10","6","7","1") = "9"
    & skf18("3","3","6","10","6","8","1") = "9"
    & skf18("3","3","6","10","6","9","1") = "9"
    & skf18("3","3","6","10","6","10","1") = "9"
    & skf18("3","3","6","10","7","1","1") = "9"
    & skf18("3","3","6","10","7","2","1") = "9"
    & skf18("3","3","6","10","7","3","1") = "9"
    & skf18("3","3","6","10","7","4","1") = "9"
    & skf18("3","3","6","10","7","5","1") = "9"
    & skf18("3","3","6","10","7","6","1") = "9"
    & skf18("3","3","6","10","7","7","1") = "9"
    & skf18("3","3","6","10","7","8","1") = "9"
    & skf18("3","3","6","10","7","9","1") = "9"
    & skf18("3","3","6","10","7","10","1") = "9"
    & skf18("3","3","6","10","8","1","1") = "9"
    & skf18("3","3","6","10","8","2","1") = "9"
    & skf18("3","3","6","10","8","3","1") = "9"
    & skf18("3","3","6","10","8","4","1") = "9"
    & skf18("3","3","6","10","8","5","1") = "9"
    & skf18("3","3","6","10","8","6","1") = "9"
    & skf18("3","3","6","10","8","7","1") = "9"
    & skf18("3","3","6","10","8","8","1") = "9"
    & skf18("3","3","6","10","8","9","1") = "9"
    & skf18("3","3","6","10","8","10","1") = "9"
    & skf18("3","3","6","10","9","1","1") = "9"
    & skf18("3","3","6","10","9","2","1") = "9"
    & skf18("3","3","6","10","9","3","1") = "9"
    & skf18("3","3","6","10","9","4","1") = "9"
    & skf18("3","3","6","10","9","5","1") = "9"
    & skf18("3","3","6","10","9","6","1") = "9"
    & skf18("3","3","6","10","9","7","1") = "9"
    & skf18("3","3","6","10","9","8","1") = "9"
    & skf18("3","3","6","10","9","9","1") = "9"
    & skf18("3","3","6","10","9","10","1") = "9"
    & skf18("3","3","6","10","10","1","1") = "9"
    & skf18("3","3","6","10","10","2","1") = "9"
    & skf18("3","3","6","10","10","3","1") = "9"
    & skf18("3","3","6","10","10","4","1") = "9"
    & skf18("3","3","6","10","10","5","1") = "9"
    & skf18("3","3","6","10","10","6","1") = "9"
    & skf18("3","3","6","10","10","7","1") = "9"
    & skf18("3","3","6","10","10","8","1") = "9"
    & skf18("3","3","6","10","10","9","1") = "9"
    & skf18("3","3","6","10","10","10","1") = "9"
    & skf18("3","3","7","1","1","1","1") = "6"
    & skf18("3","3","7","1","1","2","1") = "6"
    & skf18("3","3","7","1","1","3","1") = "6"
    & skf18("3","3","7","1","1","4","1") = "6"
    & skf18("3","3","7","1","1","5","1") = "6"
    & skf18("3","3","7","1","1","6","1") = "6"
    & skf18("3","3","7","1","1","7","1") = "6"
    & skf18("3","3","7","1","1","8","1") = "7"
    & skf18("3","3","7","1","1","9","1") = "8"
    & skf18("3","3","7","1","1","10","1") = "9"
    & skf18("3","3","7","1","2","1","1") = "6"
    & skf18("3","3","7","1","2","2","1") = "6"
    & skf18("3","3","7","1","2","3","1") = "6"
    & skf18("3","3","7","1","2","4","1") = "6"
    & skf18("3","3","7","1","2","5","1") = "6"
    & skf18("3","3","7","1","2","6","1") = "6"
    & skf18("3","3","7","1","2","7","1") = "6"
    & skf18("3","3","7","1","2","8","1") = "7"
    & skf18("3","3","7","1","2","9","1") = "8"
    & skf18("3","3","7","1","2","10","1") = "9"
    & skf18("3","3","7","1","3","1","1") = "6"
    & skf18("3","3","7","1","3","2","1") = "6"
    & skf18("3","3","7","1","3","3","1") = "6"
    & skf18("3","3","7","1","3","4","1") = "6"
    & skf18("3","3","7","1","3","5","1") = "6"
    & skf18("3","3","7","1","3","6","1") = "6"
    & skf18("3","3","7","1","3","7","1") = "6"
    & skf18("3","3","7","1","3","8","1") = "7"
    & skf18("3","3","7","1","3","9","1") = "8"
    & skf18("3","3","7","1","3","10","1") = "9"
    & skf18("3","3","7","1","4","1","1") = "6"
    & skf18("3","3","7","1","4","2","1") = "6"
    & skf18("3","3","7","1","4","3","1") = "6"
    & skf18("3","3","7","1","4","4","1") = "6"
    & skf18("3","3","7","1","4","5","1") = "6"
    & skf18("3","3","7","1","4","6","1") = "6"
    & skf18("3","3","7","1","4","7","1") = "6"
    & skf18("3","3","7","1","4","8","1") = "7"
    & skf18("3","3","7","1","4","9","1") = "8"
    & skf18("3","3","7","1","4","10","1") = "9"
    & skf18("3","3","7","1","5","1","1") = "6"
    & skf18("3","3","7","1","5","2","1") = "6"
    & skf18("3","3","7","1","5","3","1") = "6"
    & skf18("3","3","7","1","5","4","1") = "6"
    & skf18("3","3","7","1","5","5","1") = "6"
    & skf18("3","3","7","1","5","6","1") = "6"
    & skf18("3","3","7","1","5","7","1") = "6"
    & skf18("3","3","7","1","5","8","1") = "7"
    & skf18("3","3","7","1","5","9","1") = "8"
    & skf18("3","3","7","1","5","10","1") = "9"
    & skf18("3","3","7","1","6","1","1") = "6"
    & skf18("3","3","7","1","6","2","1") = "6"
    & skf18("3","3","7","1","6","3","1") = "6"
    & skf18("3","3","7","1","6","4","1") = "6"
    & skf18("3","3","7","1","6","5","1") = "6"
    & skf18("3","3","7","1","6","6","1") = "6"
    & skf18("3","3","7","1","6","7","1") = "6"
    & skf18("3","3","7","1","6","8","1") = "7"
    & skf18("3","3","7","1","6","9","1") = "8"
    & skf18("3","3","7","1","6","10","1") = "9"
    & skf18("3","3","7","1","7","1","1") = "6"
    & skf18("3","3","7","1","7","2","1") = "6"
    & skf18("3","3","7","1","7","3","1") = "6"
    & skf18("3","3","7","1","7","4","1") = "6"
    & skf18("3","3","7","1","7","5","1") = "6"
    & skf18("3","3","7","1","7","6","1") = "6"
    & skf18("3","3","7","1","7","7","1") = "6"
    & skf18("3","3","7","1","7","8","1") = "7"
    & skf18("3","3","7","1","7","9","1") = "8"
    & skf18("3","3","7","1","7","10","1") = "9"
    & skf18("3","3","7","1","8","1","1") = "7"
    & skf18("3","3","7","1","8","2","1") = "7"
    & skf18("3","3","7","1","8","3","1") = "7"
    & skf18("3","3","7","1","8","4","1") = "7"
    & skf18("3","3","7","1","8","5","1") = "7"
    & skf18("3","3","7","1","8","6","1") = "7"
    & skf18("3","3","7","1","8","7","1") = "7"
    & skf18("3","3","7","1","8","8","1") = "7"
    & skf18("3","3","7","1","8","9","1") = "8"
    & skf18("3","3","7","1","8","10","1") = "9"
    & skf18("3","3","7","1","9","1","1") = "8"
    & skf18("3","3","7","1","9","2","1") = "8"
    & skf18("3","3","7","1","9","3","1") = "8"
    & skf18("3","3","7","1","9","4","1") = "8"
    & skf18("3","3","7","1","9","5","1") = "8"
    & skf18("3","3","7","1","9","6","1") = "8"
    & skf18("3","3","7","1","9","7","1") = "8"
    & skf18("3","3","7","1","9","8","1") = "8"
    & skf18("3","3","7","1","9","9","1") = "8"
    & skf18("3","3","7","1","9","10","1") = "9"
    & skf18("3","3","7","1","10","1","1") = "9"
    & skf18("3","3","7","1","10","2","1") = "9"
    & skf18("3","3","7","1","10","3","1") = "9"
    & skf18("3","3","7","1","10","4","1") = "9"
    & skf18("3","3","7","1","10","5","1") = "9"
    & skf18("3","3","7","1","10","6","1") = "9"
    & skf18("3","3","7","1","10","7","1") = "9"
    & skf18("3","3","7","1","10","8","1") = "9"
    & skf18("3","3","7","1","10","9","1") = "9"
    & skf18("3","3","7","1","10","10","1") = "9"
    & skf18("3","3","7","2","1","1","1") = "6"
    & skf18("3","3","7","2","1","2","1") = "6"
    & skf18("3","3","7","2","1","3","1") = "6"
    & skf18("3","3","7","2","1","4","1") = "6"
    & skf18("3","3","7","2","1","5","1") = "6"
    & skf18("3","3","7","2","1","6","1") = "6"
    & skf18("3","3","7","2","1","7","1") = "6"
    & skf18("3","3","7","2","1","8","1") = "7"
    & skf18("3","3","7","2","1","9","1") = "8"
    & skf18("3","3","7","2","1","10","1") = "9"
    & skf18("3","3","7","2","2","1","1") = "6"
    & skf18("3","3","7","2","2","2","1") = "6"
    & skf18("3","3","7","2","2","3","1") = "6"
    & skf18("3","3","7","2","2","4","1") = "6"
    & skf18("3","3","7","2","2","5","1") = "6"
    & skf18("3","3","7","2","2","6","1") = "6"
    & skf18("3","3","7","2","2","7","1") = "6"
    & skf18("3","3","7","2","2","8","1") = "7"
    & skf18("3","3","7","2","2","9","1") = "8"
    & skf18("3","3","7","2","2","10","1") = "9"
    & skf18("3","3","7","2","3","1","1") = "6"
    & skf18("3","3","7","2","3","2","1") = "6"
    & skf18("3","3","7","2","3","3","1") = "6"
    & skf18("3","3","7","2","3","4","1") = "6"
    & skf18("3","3","7","2","3","5","1") = "6"
    & skf18("3","3","7","2","3","6","1") = "6"
    & skf18("3","3","7","2","3","7","1") = "6"
    & skf18("3","3","7","2","3","8","1") = "7"
    & skf18("3","3","7","2","3","9","1") = "8"
    & skf18("3","3","7","2","3","10","1") = "9"
    & skf18("3","3","7","2","4","1","1") = "6"
    & skf18("3","3","7","2","4","2","1") = "6"
    & skf18("3","3","7","2","4","3","1") = "6"
    & skf18("3","3","7","2","4","4","1") = "6"
    & skf18("3","3","7","2","4","5","1") = "6"
    & skf18("3","3","7","2","4","6","1") = "6"
    & skf18("3","3","7","2","4","7","1") = "6"
    & skf18("3","3","7","2","4","8","1") = "7"
    & skf18("3","3","7","2","4","9","1") = "8"
    & skf18("3","3","7","2","4","10","1") = "9"
    & skf18("3","3","7","2","5","1","1") = "6"
    & skf18("3","3","7","2","5","2","1") = "6"
    & skf18("3","3","7","2","5","3","1") = "6"
    & skf18("3","3","7","2","5","4","1") = "6"
    & skf18("3","3","7","2","5","5","1") = "6"
    & skf18("3","3","7","2","5","6","1") = "6"
    & skf18("3","3","7","2","5","7","1") = "6"
    & skf18("3","3","7","2","5","8","1") = "7"
    & skf18("3","3","7","2","5","9","1") = "8"
    & skf18("3","3","7","2","5","10","1") = "9"
    & skf18("3","3","7","2","6","1","1") = "6"
    & skf18("3","3","7","2","6","2","1") = "6"
    & skf18("3","3","7","2","6","3","1") = "6"
    & skf18("3","3","7","2","6","4","1") = "6"
    & skf18("3","3","7","2","6","5","1") = "6"
    & skf18("3","3","7","2","6","6","1") = "6"
    & skf18("3","3","7","2","6","7","1") = "6"
    & skf18("3","3","7","2","6","8","1") = "7"
    & skf18("3","3","7","2","6","9","1") = "8"
    & skf18("3","3","7","2","6","10","1") = "9"
    & skf18("3","3","7","2","7","1","1") = "6"
    & skf18("3","3","7","2","7","2","1") = "6"
    & skf18("3","3","7","2","7","3","1") = "6"
    & skf18("3","3","7","2","7","4","1") = "6"
    & skf18("3","3","7","2","7","5","1") = "6"
    & skf18("3","3","7","2","7","6","1") = "6"
    & skf18("3","3","7","2","7","7","1") = "6"
    & skf18("3","3","7","2","7","8","1") = "7"
    & skf18("3","3","7","2","7","9","1") = "8"
    & skf18("3","3","7","2","7","10","1") = "9"
    & skf18("3","3","7","2","8","1","1") = "7"
    & skf18("3","3","7","2","8","2","1") = "7"
    & skf18("3","3","7","2","8","3","1") = "7"
    & skf18("3","3","7","2","8","4","1") = "7"
    & skf18("3","3","7","2","8","5","1") = "7"
    & skf18("3","3","7","2","8","6","1") = "7"
    & skf18("3","3","7","2","8","7","1") = "7"
    & skf18("3","3","7","2","8","8","1") = "7"
    & skf18("3","3","7","2","8","9","1") = "8"
    & skf18("3","3","7","2","8","10","1") = "9"
    & skf18("3","3","7","2","9","1","1") = "8"
    & skf18("3","3","7","2","9","2","1") = "8"
    & skf18("3","3","7","2","9","3","1") = "8"
    & skf18("3","3","7","2","9","4","1") = "8"
    & skf18("3","3","7","2","9","5","1") = "8"
    & skf18("3","3","7","2","9","6","1") = "8"
    & skf18("3","3","7","2","9","7","1") = "8"
    & skf18("3","3","7","2","9","8","1") = "8"
    & skf18("3","3","7","2","9","9","1") = "8"
    & skf18("3","3","7","2","9","10","1") = "9"
    & skf18("3","3","7","2","10","1","1") = "9"
    & skf18("3","3","7","2","10","2","1") = "9"
    & skf18("3","3","7","2","10","3","1") = "9"
    & skf18("3","3","7","2","10","4","1") = "9"
    & skf18("3","3","7","2","10","5","1") = "9"
    & skf18("3","3","7","2","10","6","1") = "9"
    & skf18("3","3","7","2","10","7","1") = "9"
    & skf18("3","3","7","2","10","8","1") = "9"
    & skf18("3","3","7","2","10","9","1") = "9"
    & skf18("3","3","7","2","10","10","1") = "9"
    & skf18("3","3","7","3","1","1","1") = "6"
    & skf18("3","3","7","3","1","2","1") = "6"
    & skf18("3","3","7","3","1","3","1") = "6"
    & skf18("3","3","7","3","1","4","1") = "6"
    & skf18("3","3","7","3","1","5","1") = "6"
    & skf18("3","3","7","3","1","6","1") = "6"
    & skf18("3","3","7","3","1","7","1") = "6"
    & skf18("3","3","7","3","1","8","1") = "7"
    & skf18("3","3","7","3","1","9","1") = "8"
    & skf18("3","3","7","3","1","10","1") = "9"
    & skf18("3","3","7","3","2","1","1") = "6"
    & skf18("3","3","7","3","2","2","1") = "6"
    & skf18("3","3","7","3","2","3","1") = "6"
    & skf18("3","3","7","3","2","4","1") = "6"
    & skf18("3","3","7","3","2","5","1") = "6"
    & skf18("3","3","7","3","2","6","1") = "6"
    & skf18("3","3","7","3","2","7","1") = "6"
    & skf18("3","3","7","3","2","8","1") = "7"
    & skf18("3","3","7","3","2","9","1") = "8"
    & skf18("3","3","7","3","2","10","1") = "9"
    & skf18("3","3","7","3","3","1","1") = "6"
    & skf18("3","3","7","3","3","2","1") = "6"
    & skf18("3","3","7","3","3","3","1") = "6"
    & skf18("3","3","7","3","3","4","1") = "6"
    & skf18("3","3","7","3","3","5","1") = "6"
    & skf18("3","3","7","3","3","6","1") = "6"
    & skf18("3","3","7","3","3","7","1") = "6"
    & skf18("3","3","7","3","3","8","1") = "7"
    & skf18("3","3","7","3","3","9","1") = "8"
    & skf18("3","3","7","3","3","10","1") = "9"
    & skf18("3","3","7","3","4","1","1") = "6"
    & skf18("3","3","7","3","4","2","1") = "6"
    & skf18("3","3","7","3","4","3","1") = "6"
    & skf18("3","3","7","3","4","4","1") = "6"
    & skf18("3","3","7","3","4","5","1") = "6"
    & skf18("3","3","7","3","4","6","1") = "6"
    & skf18("3","3","7","3","4","7","1") = "6"
    & skf18("3","3","7","3","4","8","1") = "7"
    & skf18("3","3","7","3","4","9","1") = "8"
    & skf18("3","3","7","3","4","10","1") = "9"
    & skf18("3","3","7","3","5","1","1") = "6"
    & skf18("3","3","7","3","5","2","1") = "6"
    & skf18("3","3","7","3","5","3","1") = "6"
    & skf18("3","3","7","3","5","4","1") = "6"
    & skf18("3","3","7","3","5","5","1") = "6"
    & skf18("3","3","7","3","5","6","1") = "6"
    & skf18("3","3","7","3","5","7","1") = "6"
    & skf18("3","3","7","3","5","8","1") = "7"
    & skf18("3","3","7","3","5","9","1") = "8"
    & skf18("3","3","7","3","5","10","1") = "9"
    & skf18("3","3","7","3","6","1","1") = "6"
    & skf18("3","3","7","3","6","2","1") = "6"
    & skf18("3","3","7","3","6","3","1") = "6"
    & skf18("3","3","7","3","6","4","1") = "6"
    & skf18("3","3","7","3","6","5","1") = "6"
    & skf18("3","3","7","3","6","6","1") = "6"
    & skf18("3","3","7","3","6","7","1") = "6"
    & skf18("3","3","7","3","6","8","1") = "7"
    & skf18("3","3","7","3","6","9","1") = "8"
    & skf18("3","3","7","3","6","10","1") = "9"
    & skf18("3","3","7","3","7","1","1") = "6"
    & skf18("3","3","7","3","7","2","1") = "6"
    & skf18("3","3","7","3","7","3","1") = "6"
    & skf18("3","3","7","3","7","4","1") = "6"
    & skf18("3","3","7","3","7","5","1") = "6"
    & skf18("3","3","7","3","7","6","1") = "6"
    & skf18("3","3","7","3","7","7","1") = "6"
    & skf18("3","3","7","3","7","8","1") = "7"
    & skf18("3","3","7","3","7","9","1") = "8"
    & skf18("3","3","7","3","7","10","1") = "9"
    & skf18("3","3","7","3","8","1","1") = "7"
    & skf18("3","3","7","3","8","2","1") = "7"
    & skf18("3","3","7","3","8","3","1") = "7"
    & skf18("3","3","7","3","8","4","1") = "7"
    & skf18("3","3","7","3","8","5","1") = "7"
    & skf18("3","3","7","3","8","6","1") = "7"
    & skf18("3","3","7","3","8","7","1") = "7"
    & skf18("3","3","7","3","8","8","1") = "7"
    & skf18("3","3","7","3","8","9","1") = "8"
    & skf18("3","3","7","3","8","10","1") = "9"
    & skf18("3","3","7","3","9","1","1") = "8"
    & skf18("3","3","7","3","9","2","1") = "8"
    & skf18("3","3","7","3","9","3","1") = "8"
    & skf18("3","3","7","3","9","4","1") = "8"
    & skf18("3","3","7","3","9","5","1") = "8"
    & skf18("3","3","7","3","9","6","1") = "8"
    & skf18("3","3","7","3","9","7","1") = "8"
    & skf18("3","3","7","3","9","8","1") = "8"
    & skf18("3","3","7","3","9","9","1") = "8"
    & skf18("3","3","7","3","9","10","1") = "9"
    & skf18("3","3","7","3","10","1","1") = "9"
    & skf18("3","3","7","3","10","2","1") = "9"
    & skf18("3","3","7","3","10","3","1") = "9"
    & skf18("3","3","7","3","10","4","1") = "9"
    & skf18("3","3","7","3","10","5","1") = "9"
    & skf18("3","3","7","3","10","6","1") = "9"
    & skf18("3","3","7","3","10","7","1") = "9"
    & skf18("3","3","7","3","10","8","1") = "9"
    & skf18("3","3","7","3","10","9","1") = "9"
    & skf18("3","3","7","3","10","10","1") = "9"
    & skf18("3","3","7","4","1","1","1") = "6"
    & skf18("3","3","7","4","1","2","1") = "6"
    & skf18("3","3","7","4","1","3","1") = "6"
    & skf18("3","3","7","4","1","4","1") = "6"
    & skf18("3","3","7","4","1","5","1") = "6"
    & skf18("3","3","7","4","1","6","1") = "6"
    & skf18("3","3","7","4","1","7","1") = "6"
    & skf18("3","3","7","4","1","8","1") = "7"
    & skf18("3","3","7","4","1","9","1") = "8"
    & skf18("3","3","7","4","1","10","1") = "9"
    & skf18("3","3","7","4","2","1","1") = "6"
    & skf18("3","3","7","4","2","2","1") = "6"
    & skf18("3","3","7","4","2","3","1") = "6"
    & skf18("3","3","7","4","2","4","1") = "6"
    & skf18("3","3","7","4","2","5","1") = "6"
    & skf18("3","3","7","4","2","6","1") = "6"
    & skf18("3","3","7","4","2","7","1") = "6"
    & skf18("3","3","7","4","2","8","1") = "7"
    & skf18("3","3","7","4","2","9","1") = "8"
    & skf18("3","3","7","4","2","10","1") = "9"
    & skf18("3","3","7","4","3","1","1") = "6"
    & skf18("3","3","7","4","3","2","1") = "6"
    & skf18("3","3","7","4","3","3","1") = "6"
    & skf18("3","3","7","4","3","4","1") = "6"
    & skf18("3","3","7","4","3","5","1") = "6"
    & skf18("3","3","7","4","3","6","1") = "6"
    & skf18("3","3","7","4","3","7","1") = "6"
    & skf18("3","3","7","4","3","8","1") = "7"
    & skf18("3","3","7","4","3","9","1") = "8"
    & skf18("3","3","7","4","3","10","1") = "9"
    & skf18("3","3","7","4","4","1","1") = "6"
    & skf18("3","3","7","4","4","2","1") = "6"
    & skf18("3","3","7","4","4","3","1") = "6"
    & skf18("3","3","7","4","4","4","1") = "6"
    & skf18("3","3","7","4","4","5","1") = "6"
    & skf18("3","3","7","4","4","6","1") = "6"
    & skf18("3","3","7","4","4","7","1") = "6"
    & skf18("3","3","7","4","4","8","1") = "7"
    & skf18("3","3","7","4","4","9","1") = "8"
    & skf18("3","3","7","4","4","10","1") = "9"
    & skf18("3","3","7","4","5","1","1") = "6"
    & skf18("3","3","7","4","5","2","1") = "6"
    & skf18("3","3","7","4","5","3","1") = "6"
    & skf18("3","3","7","4","5","4","1") = "6"
    & skf18("3","3","7","4","5","5","1") = "6"
    & skf18("3","3","7","4","5","6","1") = "6"
    & skf18("3","3","7","4","5","7","1") = "6"
    & skf18("3","3","7","4","5","8","1") = "7"
    & skf18("3","3","7","4","5","9","1") = "8"
    & skf18("3","3","7","4","5","10","1") = "9"
    & skf18("3","3","7","4","6","1","1") = "6"
    & skf18("3","3","7","4","6","2","1") = "6"
    & skf18("3","3","7","4","6","3","1") = "6"
    & skf18("3","3","7","4","6","4","1") = "6"
    & skf18("3","3","7","4","6","5","1") = "6"
    & skf18("3","3","7","4","6","6","1") = "6"
    & skf18("3","3","7","4","6","7","1") = "6"
    & skf18("3","3","7","4","6","8","1") = "7"
    & skf18("3","3","7","4","6","9","1") = "8"
    & skf18("3","3","7","4","6","10","1") = "9"
    & skf18("3","3","7","4","7","1","1") = "6"
    & skf18("3","3","7","4","7","2","1") = "6"
    & skf18("3","3","7","4","7","3","1") = "6"
    & skf18("3","3","7","4","7","4","1") = "6"
    & skf18("3","3","7","4","7","5","1") = "6"
    & skf18("3","3","7","4","7","6","1") = "6"
    & skf18("3","3","7","4","7","7","1") = "6"
    & skf18("3","3","7","4","7","8","1") = "7"
    & skf18("3","3","7","4","7","9","1") = "8"
    & skf18("3","3","7","4","7","10","1") = "9"
    & skf18("3","3","7","4","8","1","1") = "7"
    & skf18("3","3","7","4","8","2","1") = "7"
    & skf18("3","3","7","4","8","3","1") = "7"
    & skf18("3","3","7","4","8","4","1") = "7"
    & skf18("3","3","7","4","8","5","1") = "7"
    & skf18("3","3","7","4","8","6","1") = "7"
    & skf18("3","3","7","4","8","7","1") = "7"
    & skf18("3","3","7","4","8","8","1") = "7"
    & skf18("3","3","7","4","8","9","1") = "8"
    & skf18("3","3","7","4","8","10","1") = "9"
    & skf18("3","3","7","4","9","1","1") = "8"
    & skf18("3","3","7","4","9","2","1") = "8"
    & skf18("3","3","7","4","9","3","1") = "8"
    & skf18("3","3","7","4","9","4","1") = "8"
    & skf18("3","3","7","4","9","5","1") = "8"
    & skf18("3","3","7","4","9","6","1") = "8"
    & skf18("3","3","7","4","9","7","1") = "8"
    & skf18("3","3","7","4","9","8","1") = "8"
    & skf18("3","3","7","4","9","9","1") = "8"
    & skf18("3","3","7","4","9","10","1") = "9"
    & skf18("3","3","7","4","10","1","1") = "9"
    & skf18("3","3","7","4","10","2","1") = "9"
    & skf18("3","3","7","4","10","3","1") = "9"
    & skf18("3","3","7","4","10","4","1") = "9"
    & skf18("3","3","7","4","10","5","1") = "9"
    & skf18("3","3","7","4","10","6","1") = "9"
    & skf18("3","3","7","4","10","7","1") = "9"
    & skf18("3","3","7","4","10","8","1") = "9"
    & skf18("3","3","7","4","10","9","1") = "9"
    & skf18("3","3","7","4","10","10","1") = "9"
    & skf18("3","3","7","5","1","1","1") = "6"
    & skf18("3","3","7","5","1","2","1") = "6"
    & skf18("3","3","7","5","1","3","1") = "6"
    & skf18("3","3","7","5","1","4","1") = "6"
    & skf18("3","3","7","5","1","5","1") = "6"
    & skf18("3","3","7","5","1","6","1") = "6"
    & skf18("3","3","7","5","1","7","1") = "6"
    & skf18("3","3","7","5","1","8","1") = "7"
    & skf18("3","3","7","5","1","9","1") = "8"
    & skf18("3","3","7","5","1","10","1") = "9"
    & skf18("3","3","7","5","2","1","1") = "6"
    & skf18("3","3","7","5","2","2","1") = "6"
    & skf18("3","3","7","5","2","3","1") = "6"
    & skf18("3","3","7","5","2","4","1") = "6"
    & skf18("3","3","7","5","2","5","1") = "6"
    & skf18("3","3","7","5","2","6","1") = "6"
    & skf18("3","3","7","5","2","7","1") = "6"
    & skf18("3","3","7","5","2","8","1") = "7"
    & skf18("3","3","7","5","2","9","1") = "8"
    & skf18("3","3","7","5","2","10","1") = "9"
    & skf18("3","3","7","5","3","1","1") = "6"
    & skf18("3","3","7","5","3","2","1") = "6"
    & skf18("3","3","7","5","3","3","1") = "6"
    & skf18("3","3","7","5","3","4","1") = "6"
    & skf18("3","3","7","5","3","5","1") = "6"
    & skf18("3","3","7","5","3","6","1") = "6"
    & skf18("3","3","7","5","3","7","1") = "6"
    & skf18("3","3","7","5","3","8","1") = "7"
    & skf18("3","3","7","5","3","9","1") = "8"
    & skf18("3","3","7","5","3","10","1") = "9"
    & skf18("3","3","7","5","4","1","1") = "6"
    & skf18("3","3","7","5","4","2","1") = "6"
    & skf18("3","3","7","5","4","3","1") = "6"
    & skf18("3","3","7","5","4","4","1") = "6"
    & skf18("3","3","7","5","4","5","1") = "6"
    & skf18("3","3","7","5","4","6","1") = "6"
    & skf18("3","3","7","5","4","7","1") = "6"
    & skf18("3","3","7","5","4","8","1") = "7"
    & skf18("3","3","7","5","4","9","1") = "8"
    & skf18("3","3","7","5","4","10","1") = "9"
    & skf18("3","3","7","5","5","1","1") = "6"
    & skf18("3","3","7","5","5","2","1") = "6"
    & skf18("3","3","7","5","5","3","1") = "6"
    & skf18("3","3","7","5","5","4","1") = "6"
    & skf18("3","3","7","5","5","5","1") = "6"
    & skf18("3","3","7","5","5","6","1") = "6"
    & skf18("3","3","7","5","5","7","1") = "6"
    & skf18("3","3","7","5","5","8","1") = "7"
    & skf18("3","3","7","5","5","9","1") = "8"
    & skf18("3","3","7","5","5","10","1") = "9"
    & skf18("3","3","7","5","6","1","1") = "6"
    & skf18("3","3","7","5","6","2","1") = "6"
    & skf18("3","3","7","5","6","3","1") = "6"
    & skf18("3","3","7","5","6","4","1") = "6"
    & skf18("3","3","7","5","6","5","1") = "6"
    & skf18("3","3","7","5","6","6","1") = "6"
    & skf18("3","3","7","5","6","7","1") = "6"
    & skf18("3","3","7","5","6","8","1") = "7"
    & skf18("3","3","7","5","6","9","1") = "8"
    & skf18("3","3","7","5","6","10","1") = "9"
    & skf18("3","3","7","5","7","1","1") = "6"
    & skf18("3","3","7","5","7","2","1") = "6"
    & skf18("3","3","7","5","7","3","1") = "6"
    & skf18("3","3","7","5","7","4","1") = "6"
    & skf18("3","3","7","5","7","5","1") = "6"
    & skf18("3","3","7","5","7","6","1") = "6"
    & skf18("3","3","7","5","7","7","1") = "6"
    & skf18("3","3","7","5","7","8","1") = "7"
    & skf18("3","3","7","5","7","9","1") = "8"
    & skf18("3","3","7","5","7","10","1") = "9"
    & skf18("3","3","7","5","8","1","1") = "7"
    & skf18("3","3","7","5","8","2","1") = "7"
    & skf18("3","3","7","5","8","3","1") = "7"
    & skf18("3","3","7","5","8","4","1") = "7"
    & skf18("3","3","7","5","8","5","1") = "7"
    & skf18("3","3","7","5","8","6","1") = "7"
    & skf18("3","3","7","5","8","7","1") = "7"
    & skf18("3","3","7","5","8","8","1") = "7"
    & skf18("3","3","7","5","8","9","1") = "8"
    & skf18("3","3","7","5","8","10","1") = "9"
    & skf18("3","3","7","5","9","1","1") = "8"
    & skf18("3","3","7","5","9","2","1") = "8"
    & skf18("3","3","7","5","9","3","1") = "8"
    & skf18("3","3","7","5","9","4","1") = "8"
    & skf18("3","3","7","5","9","5","1") = "8"
    & skf18("3","3","7","5","9","6","1") = "8"
    & skf18("3","3","7","5","9","7","1") = "8"
    & skf18("3","3","7","5","9","8","1") = "8"
    & skf18("3","3","7","5","9","9","1") = "8"
    & skf18("3","3","7","5","9","10","1") = "9"
    & skf18("3","3","7","5","10","1","1") = "9"
    & skf18("3","3","7","5","10","2","1") = "9"
    & skf18("3","3","7","5","10","3","1") = "9"
    & skf18("3","3","7","5","10","4","1") = "9"
    & skf18("3","3","7","5","10","5","1") = "9"
    & skf18("3","3","7","5","10","6","1") = "9"
    & skf18("3","3","7","5","10","7","1") = "9"
    & skf18("3","3","7","5","10","8","1") = "9"
    & skf18("3","3","7","5","10","9","1") = "9"
    & skf18("3","3","7","5","10","10","1") = "9"
    & skf18("3","3","7","6","1","1","1") = "6"
    & skf18("3","3","7","6","1","2","1") = "6"
    & skf18("3","3","7","6","1","3","1") = "6"
    & skf18("3","3","7","6","1","4","1") = "6"
    & skf18("3","3","7","6","1","5","1") = "6"
    & skf18("3","3","7","6","1","6","1") = "6"
    & skf18("3","3","7","6","1","7","1") = "6"
    & skf18("3","3","7","6","1","8","1") = "7"
    & skf18("3","3","7","6","1","9","1") = "8"
    & skf18("3","3","7","6","1","10","1") = "9"
    & skf18("3","3","7","6","2","1","1") = "6"
    & skf18("3","3","7","6","2","2","1") = "6"
    & skf18("3","3","7","6","2","3","1") = "6"
    & skf18("3","3","7","6","2","4","1") = "6"
    & skf18("3","3","7","6","2","5","1") = "6"
    & skf18("3","3","7","6","2","6","1") = "6"
    & skf18("3","3","7","6","2","7","1") = "6"
    & skf18("3","3","7","6","2","8","1") = "7"
    & skf18("3","3","7","6","2","9","1") = "8"
    & skf18("3","3","7","6","2","10","1") = "9"
    & skf18("3","3","7","6","3","1","1") = "6"
    & skf18("3","3","7","6","3","2","1") = "6"
    & skf18("3","3","7","6","3","3","1") = "6"
    & skf18("3","3","7","6","3","4","1") = "6"
    & skf18("3","3","7","6","3","5","1") = "6"
    & skf18("3","3","7","6","3","6","1") = "6"
    & skf18("3","3","7","6","3","7","1") = "6"
    & skf18("3","3","7","6","3","8","1") = "7"
    & skf18("3","3","7","6","3","9","1") = "8"
    & skf18("3","3","7","6","3","10","1") = "9"
    & skf18("3","3","7","6","4","1","1") = "6"
    & skf18("3","3","7","6","4","2","1") = "6"
    & skf18("3","3","7","6","4","3","1") = "6"
    & skf18("3","3","7","6","4","4","1") = "6"
    & skf18("3","3","7","6","4","5","1") = "6"
    & skf18("3","3","7","6","4","6","1") = "6"
    & skf18("3","3","7","6","4","7","1") = "6"
    & skf18("3","3","7","6","4","8","1") = "7"
    & skf18("3","3","7","6","4","9","1") = "8"
    & skf18("3","3","7","6","4","10","1") = "9"
    & skf18("3","3","7","6","5","1","1") = "6"
    & skf18("3","3","7","6","5","2","1") = "6"
    & skf18("3","3","7","6","5","3","1") = "6"
    & skf18("3","3","7","6","5","4","1") = "6"
    & skf18("3","3","7","6","5","5","1") = "6"
    & skf18("3","3","7","6","5","6","1") = "6"
    & skf18("3","3","7","6","5","7","1") = "6"
    & skf18("3","3","7","6","5","8","1") = "7"
    & skf18("3","3","7","6","5","9","1") = "8"
    & skf18("3","3","7","6","5","10","1") = "9"
    & skf18("3","3","7","6","6","1","1") = "6"
    & skf18("3","3","7","6","6","2","1") = "6"
    & skf18("3","3","7","6","6","3","1") = "6"
    & skf18("3","3","7","6","6","4","1") = "6"
    & skf18("3","3","7","6","6","5","1") = "6"
    & skf18("3","3","7","6","6","6","1") = "6"
    & skf18("3","3","7","6","6","7","1") = "6"
    & skf18("3","3","7","6","6","8","1") = "7"
    & skf18("3","3","7","6","6","9","1") = "8"
    & skf18("3","3","7","6","6","10","1") = "9"
    & skf18("3","3","7","6","7","1","1") = "6"
    & skf18("3","3","7","6","7","2","1") = "6"
    & skf18("3","3","7","6","7","3","1") = "6"
    & skf18("3","3","7","6","7","4","1") = "6"
    & skf18("3","3","7","6","7","5","1") = "6"
    & skf18("3","3","7","6","7","6","1") = "6"
    & skf18("3","3","7","6","7","7","1") = "6"
    & skf18("3","3","7","6","7","8","1") = "7"
    & skf18("3","3","7","6","7","9","1") = "8"
    & skf18("3","3","7","6","7","10","1") = "9"
    & skf18("3","3","7","6","8","1","1") = "7"
    & skf18("3","3","7","6","8","2","1") = "7"
    & skf18("3","3","7","6","8","3","1") = "7"
    & skf18("3","3","7","6","8","4","1") = "7"
    & skf18("3","3","7","6","8","5","1") = "7"
    & skf18("3","3","7","6","8","6","1") = "7"
    & skf18("3","3","7","6","8","7","1") = "7"
    & skf18("3","3","7","6","8","8","1") = "7"
    & skf18("3","3","7","6","8","9","1") = "8"
    & skf18("3","3","7","6","8","10","1") = "9"
    & skf18("3","3","7","6","9","1","1") = "8"
    & skf18("3","3","7","6","9","2","1") = "8"
    & skf18("3","3","7","6","9","3","1") = "8"
    & skf18("3","3","7","6","9","4","1") = "8"
    & skf18("3","3","7","6","9","5","1") = "8"
    & skf18("3","3","7","6","9","6","1") = "8"
    & skf18("3","3","7","6","9","7","1") = "8"
    & skf18("3","3","7","6","9","8","1") = "8"
    & skf18("3","3","7","6","9","9","1") = "8"
    & skf18("3","3","7","6","9","10","1") = "9"
    & skf18("3","3","7","6","10","1","1") = "9"
    & skf18("3","3","7","6","10","2","1") = "9"
    & skf18("3","3","7","6","10","3","1") = "9"
    & skf18("3","3","7","6","10","4","1") = "9"
    & skf18("3","3","7","6","10","5","1") = "9"
    & skf18("3","3","7","6","10","6","1") = "9"
    & skf18("3","3","7","6","10","7","1") = "9"
    & skf18("3","3","7","6","10","8","1") = "9"
    & skf18("3","3","7","6","10","9","1") = "9"
    & skf18("3","3","7","6","10","10","1") = "9"
    & skf18("3","3","7","7","1","1","1") = "6"
    & skf18("3","3","7","7","1","2","1") = "6"
    & skf18("3","3","7","7","1","3","1") = "6"
    & skf18("3","3","7","7","1","4","1") = "6"
    & skf18("3","3","7","7","1","5","1") = "6"
    & skf18("3","3","7","7","1","6","1") = "6"
    & skf18("3","3","7","7","1","7","1") = "6"
    & skf18("3","3","7","7","1","8","1") = "7"
    & skf18("3","3","7","7","1","9","1") = "8"
    & skf18("3","3","7","7","1","10","1") = "9"
    & skf18("3","3","7","7","2","1","1") = "6"
    & skf18("3","3","7","7","2","2","1") = "6"
    & skf18("3","3","7","7","2","3","1") = "6"
    & skf18("3","3","7","7","2","4","1") = "6"
    & skf18("3","3","7","7","2","5","1") = "6"
    & skf18("3","3","7","7","2","6","1") = "6"
    & skf18("3","3","7","7","2","7","1") = "6"
    & skf18("3","3","7","7","2","8","1") = "7"
    & skf18("3","3","7","7","2","9","1") = "8"
    & skf18("3","3","7","7","2","10","1") = "9"
    & skf18("3","3","7","7","3","1","1") = "6"
    & skf18("3","3","7","7","3","2","1") = "6"
    & skf18("3","3","7","7","3","3","1") = "6"
    & skf18("3","3","7","7","3","4","1") = "6"
    & skf18("3","3","7","7","3","5","1") = "6"
    & skf18("3","3","7","7","3","6","1") = "6"
    & skf18("3","3","7","7","3","7","1") = "6"
    & skf18("3","3","7","7","3","8","1") = "7"
    & skf18("3","3","7","7","3","9","1") = "8"
    & skf18("3","3","7","7","3","10","1") = "9"
    & skf18("3","3","7","7","4","1","1") = "6"
    & skf18("3","3","7","7","4","2","1") = "6"
    & skf18("3","3","7","7","4","3","1") = "6"
    & skf18("3","3","7","7","4","4","1") = "6"
    & skf18("3","3","7","7","4","5","1") = "6"
    & skf18("3","3","7","7","4","6","1") = "6"
    & skf18("3","3","7","7","4","7","1") = "6"
    & skf18("3","3","7","7","4","8","1") = "7"
    & skf18("3","3","7","7","4","9","1") = "8"
    & skf18("3","3","7","7","4","10","1") = "9"
    & skf18("3","3","7","7","5","1","1") = "6"
    & skf18("3","3","7","7","5","2","1") = "6"
    & skf18("3","3","7","7","5","3","1") = "6"
    & skf18("3","3","7","7","5","4","1") = "6"
    & skf18("3","3","7","7","5","5","1") = "6"
    & skf18("3","3","7","7","5","6","1") = "6"
    & skf18("3","3","7","7","5","7","1") = "6"
    & skf18("3","3","7","7","5","8","1") = "7"
    & skf18("3","3","7","7","5","9","1") = "8"
    & skf18("3","3","7","7","5","10","1") = "9"
    & skf18("3","3","7","7","6","1","1") = "6"
    & skf18("3","3","7","7","6","2","1") = "6"
    & skf18("3","3","7","7","6","3","1") = "6"
    & skf18("3","3","7","7","6","4","1") = "6"
    & skf18("3","3","7","7","6","5","1") = "6"
    & skf18("3","3","7","7","6","6","1") = "6"
    & skf18("3","3","7","7","6","7","1") = "6"
    & skf18("3","3","7","7","6","8","1") = "7"
    & skf18("3","3","7","7","6","9","1") = "8"
    & skf18("3","3","7","7","6","10","1") = "9"
    & skf18("3","3","7","7","7","1","1") = "6"
    & skf18("3","3","7","7","7","2","1") = "6"
    & skf18("3","3","7","7","7","3","1") = "6"
    & skf18("3","3","7","7","7","4","1") = "6"
    & skf18("3","3","7","7","7","5","1") = "6"
    & skf18("3","3","7","7","7","6","1") = "6"
    & skf18("3","3","7","7","7","7","1") = "6"
    & skf18("3","3","7","7","7","8","1") = "7"
    & skf18("3","3","7","7","7","9","1") = "8"
    & skf18("3","3","7","7","7","10","1") = "9"
    & skf18("3","3","7","7","8","1","1") = "7"
    & skf18("3","3","7","7","8","2","1") = "7"
    & skf18("3","3","7","7","8","3","1") = "7"
    & skf18("3","3","7","7","8","4","1") = "7"
    & skf18("3","3","7","7","8","5","1") = "7"
    & skf18("3","3","7","7","8","6","1") = "7"
    & skf18("3","3","7","7","8","7","1") = "7"
    & skf18("3","3","7","7","8","8","1") = "7"
    & skf18("3","3","7","7","8","9","1") = "8"
    & skf18("3","3","7","7","8","10","1") = "9"
    & skf18("3","3","7","7","9","1","1") = "8"
    & skf18("3","3","7","7","9","2","1") = "8"
    & skf18("3","3","7","7","9","3","1") = "8"
    & skf18("3","3","7","7","9","4","1") = "8"
    & skf18("3","3","7","7","9","5","1") = "8"
    & skf18("3","3","7","7","9","6","1") = "8"
    & skf18("3","3","7","7","9","7","1") = "8"
    & skf18("3","3","7","7","9","8","1") = "8"
    & skf18("3","3","7","7","9","9","1") = "8"
    & skf18("3","3","7","7","9","10","1") = "9"
    & skf18("3","3","7","7","10","1","1") = "9"
    & skf18("3","3","7","7","10","2","1") = "9"
    & skf18("3","3","7","7","10","3","1") = "9"
    & skf18("3","3","7","7","10","4","1") = "9"
    & skf18("3","3","7","7","10","5","1") = "9"
    & skf18("3","3","7","7","10","6","1") = "9"
    & skf18("3","3","7","7","10","7","1") = "9"
    & skf18("3","3","7","7","10","8","1") = "9"
    & skf18("3","3","7","7","10","9","1") = "9"
    & skf18("3","3","7","7","10","10","1") = "9"
    & skf18("3","3","7","8","1","1","1") = "7"
    & skf18("3","3","7","8","1","2","1") = "7"
    & skf18("3","3","7","8","1","3","1") = "7"
    & skf18("3","3","7","8","1","4","1") = "7"
    & skf18("3","3","7","8","1","5","1") = "7"
    & skf18("3","3","7","8","1","6","1") = "7"
    & skf18("3","3","7","8","1","7","1") = "7"
    & skf18("3","3","7","8","1","8","1") = "7"
    & skf18("3","3","7","8","1","9","1") = "8"
    & skf18("3","3","7","8","1","10","1") = "9"
    & skf18("3","3","7","8","2","1","1") = "7"
    & skf18("3","3","7","8","2","2","1") = "7"
    & skf18("3","3","7","8","2","3","1") = "7"
    & skf18("3","3","7","8","2","4","1") = "7"
    & skf18("3","3","7","8","2","5","1") = "7"
    & skf18("3","3","7","8","2","6","1") = "7"
    & skf18("3","3","7","8","2","7","1") = "7"
    & skf18("3","3","7","8","2","8","1") = "7"
    & skf18("3","3","7","8","2","9","1") = "8"
    & skf18("3","3","7","8","2","10","1") = "9"
    & skf18("3","3","7","8","3","1","1") = "7"
    & skf18("3","3","7","8","3","2","1") = "7"
    & skf18("3","3","7","8","3","3","1") = "7"
    & skf18("3","3","7","8","3","4","1") = "7"
    & skf18("3","3","7","8","3","5","1") = "7"
    & skf18("3","3","7","8","3","6","1") = "7"
    & skf18("3","3","7","8","3","7","1") = "7"
    & skf18("3","3","7","8","3","8","1") = "7"
    & skf18("3","3","7","8","3","9","1") = "8"
    & skf18("3","3","7","8","3","10","1") = "9"
    & skf18("3","3","7","8","4","1","1") = "7"
    & skf18("3","3","7","8","4","2","1") = "7"
    & skf18("3","3","7","8","4","3","1") = "7"
    & skf18("3","3","7","8","4","4","1") = "7"
    & skf18("3","3","7","8","4","5","1") = "7"
    & skf18("3","3","7","8","4","6","1") = "7"
    & skf18("3","3","7","8","4","7","1") = "7"
    & skf18("3","3","7","8","4","8","1") = "7"
    & skf18("3","3","7","8","4","9","1") = "8"
    & skf18("3","3","7","8","4","10","1") = "9"
    & skf18("3","3","7","8","5","1","1") = "7"
    & skf18("3","3","7","8","5","2","1") = "7"
    & skf18("3","3","7","8","5","3","1") = "7"
    & skf18("3","3","7","8","5","4","1") = "7"
    & skf18("3","3","7","8","5","5","1") = "7"
    & skf18("3","3","7","8","5","6","1") = "7"
    & skf18("3","3","7","8","5","7","1") = "7"
    & skf18("3","3","7","8","5","8","1") = "7"
    & skf18("3","3","7","8","5","9","1") = "8"
    & skf18("3","3","7","8","5","10","1") = "9"
    & skf18("3","3","7","8","6","1","1") = "7"
    & skf18("3","3","7","8","6","2","1") = "7"
    & skf18("3","3","7","8","6","3","1") = "7"
    & skf18("3","3","7","8","6","4","1") = "7"
    & skf18("3","3","7","8","6","5","1") = "7"
    & skf18("3","3","7","8","6","6","1") = "7"
    & skf18("3","3","7","8","6","7","1") = "7"
    & skf18("3","3","7","8","6","8","1") = "7"
    & skf18("3","3","7","8","6","9","1") = "8"
    & skf18("3","3","7","8","6","10","1") = "9"
    & skf18("3","3","7","8","7","1","1") = "7"
    & skf18("3","3","7","8","7","2","1") = "7"
    & skf18("3","3","7","8","7","3","1") = "7"
    & skf18("3","3","7","8","7","4","1") = "7"
    & skf18("3","3","7","8","7","5","1") = "7"
    & skf18("3","3","7","8","7","6","1") = "7"
    & skf18("3","3","7","8","7","7","1") = "7"
    & skf18("3","3","7","8","7","8","1") = "7"
    & skf18("3","3","7","8","7","9","1") = "8"
    & skf18("3","3","7","8","7","10","1") = "9"
    & skf18("3","3","7","8","8","1","1") = "7"
    & skf18("3","3","7","8","8","2","1") = "7"
    & skf18("3","3","7","8","8","3","1") = "7"
    & skf18("3","3","7","8","8","4","1") = "7"
    & skf18("3","3","7","8","8","5","1") = "7"
    & skf18("3","3","7","8","8","6","1") = "7"
    & skf18("3","3","7","8","8","7","1") = "7"
    & skf18("3","3","7","8","8","8","1") = "7"
    & skf18("3","3","7","8","8","9","1") = "8"
    & skf18("3","3","7","8","8","10","1") = "9"
    & skf18("3","3","7","8","9","1","1") = "8"
    & skf18("3","3","7","8","9","2","1") = "8"
    & skf18("3","3","7","8","9","3","1") = "8"
    & skf18("3","3","7","8","9","4","1") = "8"
    & skf18("3","3","7","8","9","5","1") = "8"
    & skf18("3","3","7","8","9","6","1") = "8"
    & skf18("3","3","7","8","9","7","1") = "8"
    & skf18("3","3","7","8","9","8","1") = "8"
    & skf18("3","3","7","8","9","9","1") = "8"
    & skf18("3","3","7","8","9","10","1") = "9"
    & skf18("3","3","7","8","10","1","1") = "9"
    & skf18("3","3","7","8","10","2","1") = "9"
    & skf18("3","3","7","8","10","3","1") = "9"
    & skf18("3","3","7","8","10","4","1") = "9"
    & skf18("3","3","7","8","10","5","1") = "9"
    & skf18("3","3","7","8","10","6","1") = "9"
    & skf18("3","3","7","8","10","7","1") = "9"
    & skf18("3","3","7","8","10","8","1") = "9"
    & skf18("3","3","7","8","10","9","1") = "9"
    & skf18("3","3","7","8","10","10","1") = "9"
    & skf18("3","3","7","9","1","1","1") = "8"
    & skf18("3","3","7","9","1","2","1") = "8"
    & skf18("3","3","7","9","1","3","1") = "8"
    & skf18("3","3","7","9","1","4","1") = "8"
    & skf18("3","3","7","9","1","5","1") = "8"
    & skf18("3","3","7","9","1","6","1") = "8"
    & skf18("3","3","7","9","1","7","1") = "8"
    & skf18("3","3","7","9","1","8","1") = "8"
    & skf18("3","3","7","9","1","9","1") = "8"
    & skf18("3","3","7","9","1","10","1") = "9"
    & skf18("3","3","7","9","2","1","1") = "8"
    & skf18("3","3","7","9","2","2","1") = "8"
    & skf18("3","3","7","9","2","3","1") = "8"
    & skf18("3","3","7","9","2","4","1") = "8"
    & skf18("3","3","7","9","2","5","1") = "8"
    & skf18("3","3","7","9","2","6","1") = "8"
    & skf18("3","3","7","9","2","7","1") = "8"
    & skf18("3","3","7","9","2","8","1") = "8"
    & skf18("3","3","7","9","2","9","1") = "8"
    & skf18("3","3","7","9","2","10","1") = "9"
    & skf18("3","3","7","9","3","1","1") = "8"
    & skf18("3","3","7","9","3","2","1") = "8"
    & skf18("3","3","7","9","3","3","1") = "8"
    & skf18("3","3","7","9","3","4","1") = "8"
    & skf18("3","3","7","9","3","5","1") = "8"
    & skf18("3","3","7","9","3","6","1") = "8"
    & skf18("3","3","7","9","3","7","1") = "8"
    & skf18("3","3","7","9","3","8","1") = "8"
    & skf18("3","3","7","9","3","9","1") = "8"
    & skf18("3","3","7","9","3","10","1") = "9"
    & skf18("3","3","7","9","4","1","1") = "8"
    & skf18("3","3","7","9","4","2","1") = "8"
    & skf18("3","3","7","9","4","3","1") = "8"
    & skf18("3","3","7","9","4","4","1") = "8"
    & skf18("3","3","7","9","4","5","1") = "8"
    & skf18("3","3","7","9","4","6","1") = "8"
    & skf18("3","3","7","9","4","7","1") = "8"
    & skf18("3","3","7","9","4","8","1") = "8"
    & skf18("3","3","7","9","4","9","1") = "8"
    & skf18("3","3","7","9","4","10","1") = "9"
    & skf18("3","3","7","9","5","1","1") = "8"
    & skf18("3","3","7","9","5","2","1") = "8"
    & skf18("3","3","7","9","5","3","1") = "8"
    & skf18("3","3","7","9","5","4","1") = "8"
    & skf18("3","3","7","9","5","5","1") = "8"
    & skf18("3","3","7","9","5","6","1") = "8"
    & skf18("3","3","7","9","5","7","1") = "8"
    & skf18("3","3","7","9","5","8","1") = "8"
    & skf18("3","3","7","9","5","9","1") = "8"
    & skf18("3","3","7","9","5","10","1") = "9"
    & skf18("3","3","7","9","6","1","1") = "8"
    & skf18("3","3","7","9","6","2","1") = "8"
    & skf18("3","3","7","9","6","3","1") = "8"
    & skf18("3","3","7","9","6","4","1") = "8"
    & skf18("3","3","7","9","6","5","1") = "8"
    & skf18("3","3","7","9","6","6","1") = "8"
    & skf18("3","3","7","9","6","7","1") = "8"
    & skf18("3","3","7","9","6","8","1") = "8"
    & skf18("3","3","7","9","6","9","1") = "8"
    & skf18("3","3","7","9","6","10","1") = "9"
    & skf18("3","3","7","9","7","1","1") = "8"
    & skf18("3","3","7","9","7","2","1") = "8"
    & skf18("3","3","7","9","7","3","1") = "8"
    & skf18("3","3","7","9","7","4","1") = "8"
    & skf18("3","3","7","9","7","5","1") = "8"
    & skf18("3","3","7","9","7","6","1") = "8"
    & skf18("3","3","7","9","7","7","1") = "8"
    & skf18("3","3","7","9","7","8","1") = "8"
    & skf18("3","3","7","9","7","9","1") = "8"
    & skf18("3","3","7","9","7","10","1") = "9"
    & skf18("3","3","7","9","8","1","1") = "8"
    & skf18("3","3","7","9","8","2","1") = "8"
    & skf18("3","3","7","9","8","3","1") = "8"
    & skf18("3","3","7","9","8","4","1") = "8"
    & skf18("3","3","7","9","8","5","1") = "8"
    & skf18("3","3","7","9","8","6","1") = "8"
    & skf18("3","3","7","9","8","7","1") = "8"
    & skf18("3","3","7","9","8","8","1") = "8"
    & skf18("3","3","7","9","8","9","1") = "8"
    & skf18("3","3","7","9","8","10","1") = "9"
    & skf18("3","3","7","9","9","1","1") = "8"
    & skf18("3","3","7","9","9","2","1") = "8"
    & skf18("3","3","7","9","9","3","1") = "8"
    & skf18("3","3","7","9","9","4","1") = "8"
    & skf18("3","3","7","9","9","5","1") = "8"
    & skf18("3","3","7","9","9","6","1") = "8"
    & skf18("3","3","7","9","9","7","1") = "8"
    & skf18("3","3","7","9","9","8","1") = "8"
    & skf18("3","3","7","9","9","9","1") = "8"
    & skf18("3","3","7","9","9","10","1") = "9"
    & skf18("3","3","7","9","10","1","1") = "9"
    & skf18("3","3","7","9","10","2","1") = "9"
    & skf18("3","3","7","9","10","3","1") = "9"
    & skf18("3","3","7","9","10","4","1") = "9"
    & skf18("3","3","7","9","10","5","1") = "9"
    & skf18("3","3","7","9","10","6","1") = "9"
    & skf18("3","3","7","9","10","7","1") = "9"
    & skf18("3","3","7","9","10","8","1") = "9"
    & skf18("3","3","7","9","10","9","1") = "9"
    & skf18("3","3","7","9","10","10","1") = "9"
    & skf18("3","3","7","10","1","1","1") = "9"
    & skf18("3","3","7","10","1","2","1") = "9"
    & skf18("3","3","7","10","1","3","1") = "9"
    & skf18("3","3","7","10","1","4","1") = "9"
    & skf18("3","3","7","10","1","5","1") = "9"
    & skf18("3","3","7","10","1","6","1") = "9"
    & skf18("3","3","7","10","1","7","1") = "9"
    & skf18("3","3","7","10","1","8","1") = "9"
    & skf18("3","3","7","10","1","9","1") = "9"
    & skf18("3","3","7","10","1","10","1") = "9"
    & skf18("3","3","7","10","2","1","1") = "9"
    & skf18("3","3","7","10","2","2","1") = "9"
    & skf18("3","3","7","10","2","3","1") = "9"
    & skf18("3","3","7","10","2","4","1") = "9"
    & skf18("3","3","7","10","2","5","1") = "9"
    & skf18("3","3","7","10","2","6","1") = "9"
    & skf18("3","3","7","10","2","7","1") = "9"
    & skf18("3","3","7","10","2","8","1") = "9"
    & skf18("3","3","7","10","2","9","1") = "9"
    & skf18("3","3","7","10","2","10","1") = "9"
    & skf18("3","3","7","10","3","1","1") = "9"
    & skf18("3","3","7","10","3","2","1") = "9"
    & skf18("3","3","7","10","3","3","1") = "9"
    & skf18("3","3","7","10","3","4","1") = "9"
    & skf18("3","3","7","10","3","5","1") = "9"
    & skf18("3","3","7","10","3","6","1") = "9"
    & skf18("3","3","7","10","3","7","1") = "9"
    & skf18("3","3","7","10","3","8","1") = "9"
    & skf18("3","3","7","10","3","9","1") = "9"
    & skf18("3","3","7","10","3","10","1") = "9"
    & skf18("3","3","7","10","4","1","1") = "9"
    & skf18("3","3","7","10","4","2","1") = "9"
    & skf18("3","3","7","10","4","3","1") = "9"
    & skf18("3","3","7","10","4","4","1") = "9"
    & skf18("3","3","7","10","4","5","1") = "9"
    & skf18("3","3","7","10","4","6","1") = "9"
    & skf18("3","3","7","10","4","7","1") = "9"
    & skf18("3","3","7","10","4","8","1") = "9"
    & skf18("3","3","7","10","4","9","1") = "9"
    & skf18("3","3","7","10","4","10","1") = "9"
    & skf18("3","3","7","10","5","1","1") = "9"
    & skf18("3","3","7","10","5","2","1") = "9"
    & skf18("3","3","7","10","5","3","1") = "9"
    & skf18("3","3","7","10","5","4","1") = "9"
    & skf18("3","3","7","10","5","5","1") = "9"
    & skf18("3","3","7","10","5","6","1") = "9"
    & skf18("3","3","7","10","5","7","1") = "9"
    & skf18("3","3","7","10","5","8","1") = "9"
    & skf18("3","3","7","10","5","9","1") = "9"
    & skf18("3","3","7","10","5","10","1") = "9"
    & skf18("3","3","7","10","6","1","1") = "9"
    & skf18("3","3","7","10","6","2","1") = "9"
    & skf18("3","3","7","10","6","3","1") = "9"
    & skf18("3","3","7","10","6","4","1") = "9"
    & skf18("3","3","7","10","6","5","1") = "9"
    & skf18("3","3","7","10","6","6","1") = "9"
    & skf18("3","3","7","10","6","7","1") = "9"
    & skf18("3","3","7","10","6","8","1") = "9"
    & skf18("3","3","7","10","6","9","1") = "9"
    & skf18("3","3","7","10","6","10","1") = "9"
    & skf18("3","3","7","10","7","1","1") = "9"
    & skf18("3","3","7","10","7","2","1") = "9"
    & skf18("3","3","7","10","7","3","1") = "9"
    & skf18("3","3","7","10","7","4","1") = "9"
    & skf18("3","3","7","10","7","5","1") = "9"
    & skf18("3","3","7","10","7","6","1") = "9"
    & skf18("3","3","7","10","7","7","1") = "9"
    & skf18("3","3","7","10","7","8","1") = "9"
    & skf18("3","3","7","10","7","9","1") = "9"
    & skf18("3","3","7","10","7","10","1") = "9"
    & skf18("3","3","7","10","8","1","1") = "9"
    & skf18("3","3","7","10","8","2","1") = "9"
    & skf18("3","3","7","10","8","3","1") = "9"
    & skf18("3","3","7","10","8","4","1") = "9"
    & skf18("3","3","7","10","8","5","1") = "9"
    & skf18("3","3","7","10","8","6","1") = "9"
    & skf18("3","3","7","10","8","7","1") = "9"
    & skf18("3","3","7","10","8","8","1") = "9"
    & skf18("3","3","7","10","8","9","1") = "9"
    & skf18("3","3","7","10","8","10","1") = "9"
    & skf18("3","3","7","10","9","1","1") = "9"
    & skf18("3","3","7","10","9","2","1") = "9"
    & skf18("3","3","7","10","9","3","1") = "9"
    & skf18("3","3","7","10","9","4","1") = "9"
    & skf18("3","3","7","10","9","5","1") = "9"
    & skf18("3","3","7","10","9","6","1") = "9"
    & skf18("3","3","7","10","9","7","1") = "9"
    & skf18("3","3","7","10","9","8","1") = "9"
    & skf18("3","3","7","10","9","9","1") = "9"
    & skf18("3","3","7","10","9","10","1") = "9"
    & skf18("3","3","7","10","10","1","1") = "9"
    & skf18("3","3","7","10","10","2","1") = "9"
    & skf18("3","3","7","10","10","3","1") = "9"
    & skf18("3","3","7","10","10","4","1") = "9"
    & skf18("3","3","7","10","10","5","1") = "9"
    & skf18("3","3","7","10","10","6","1") = "9"
    & skf18("3","3","7","10","10","7","1") = "9"
    & skf18("3","3","7","10","10","8","1") = "9"
    & skf18("3","3","7","10","10","9","1") = "9"
    & skf18("3","3","7","10","10","10","1") = "9"
    & skf18("3","3","8","1","1","1","1") = "7"
    & skf18("3","3","8","1","1","2","1") = "7"
    & skf18("3","3","8","1","1","3","1") = "7"
    & skf18("3","3","8","1","1","4","1") = "7"
    & skf18("3","3","8","1","1","5","1") = "7"
    & skf18("3","3","8","1","1","6","1") = "7"
    & skf18("3","3","8","1","1","7","1") = "7"
    & skf18("3","3","8","1","1","8","1") = "7"
    & skf18("3","3","8","1","1","9","1") = "8"
    & skf18("3","3","8","1","1","10","1") = "9"
    & skf18("3","3","8","1","2","1","1") = "7"
    & skf18("3","3","8","1","2","2","1") = "7"
    & skf18("3","3","8","1","2","3","1") = "7"
    & skf18("3","3","8","1","2","4","1") = "7"
    & skf18("3","3","8","1","2","5","1") = "7"
    & skf18("3","3","8","1","2","6","1") = "7"
    & skf18("3","3","8","1","2","7","1") = "7"
    & skf18("3","3","8","1","2","8","1") = "7"
    & skf18("3","3","8","1","2","9","1") = "8"
    & skf18("3","3","8","1","2","10","1") = "9"
    & skf18("3","3","8","1","3","1","1") = "7"
    & skf18("3","3","8","1","3","2","1") = "7"
    & skf18("3","3","8","1","3","3","1") = "7"
    & skf18("3","3","8","1","3","4","1") = "7"
    & skf18("3","3","8","1","3","5","1") = "7"
    & skf18("3","3","8","1","3","6","1") = "7"
    & skf18("3","3","8","1","3","7","1") = "7"
    & skf18("3","3","8","1","3","8","1") = "7"
    & skf18("3","3","8","1","3","9","1") = "8"
    & skf18("3","3","8","1","3","10","1") = "9"
    & skf18("3","3","8","1","4","1","1") = "7"
    & skf18("3","3","8","1","4","2","1") = "7"
    & skf18("3","3","8","1","4","3","1") = "7"
    & skf18("3","3","8","1","4","4","1") = "7"
    & skf18("3","3","8","1","4","5","1") = "7"
    & skf18("3","3","8","1","4","6","1") = "7"
    & skf18("3","3","8","1","4","7","1") = "7"
    & skf18("3","3","8","1","4","8","1") = "7"
    & skf18("3","3","8","1","4","9","1") = "8"
    & skf18("3","3","8","1","4","10","1") = "9"
    & skf18("3","3","8","1","5","1","1") = "7"
    & skf18("3","3","8","1","5","2","1") = "7"
    & skf18("3","3","8","1","5","3","1") = "7"
    & skf18("3","3","8","1","5","4","1") = "7"
    & skf18("3","3","8","1","5","5","1") = "7"
    & skf18("3","3","8","1","5","6","1") = "7"
    & skf18("3","3","8","1","5","7","1") = "7"
    & skf18("3","3","8","1","5","8","1") = "7"
    & skf18("3","3","8","1","5","9","1") = "8"
    & skf18("3","3","8","1","5","10","1") = "9"
    & skf18("3","3","8","1","6","1","1") = "7"
    & skf18("3","3","8","1","6","2","1") = "7"
    & skf18("3","3","8","1","6","3","1") = "7"
    & skf18("3","3","8","1","6","4","1") = "7"
    & skf18("3","3","8","1","6","5","1") = "7"
    & skf18("3","3","8","1","6","6","1") = "7"
    & skf18("3","3","8","1","6","7","1") = "7"
    & skf18("3","3","8","1","6","8","1") = "7"
    & skf18("3","3","8","1","6","9","1") = "8"
    & skf18("3","3","8","1","6","10","1") = "9"
    & skf18("3","3","8","1","7","1","1") = "7"
    & skf18("3","3","8","1","7","2","1") = "7"
    & skf18("3","3","8","1","7","3","1") = "7"
    & skf18("3","3","8","1","7","4","1") = "7"
    & skf18("3","3","8","1","7","5","1") = "7"
    & skf18("3","3","8","1","7","6","1") = "7"
    & skf18("3","3","8","1","7","7","1") = "7"
    & skf18("3","3","8","1","7","8","1") = "7"
    & skf18("3","3","8","1","7","9","1") = "8"
    & skf18("3","3","8","1","7","10","1") = "9"
    & skf18("3","3","8","1","8","1","1") = "7"
    & skf18("3","3","8","1","8","2","1") = "7"
    & skf18("3","3","8","1","8","3","1") = "7"
    & skf18("3","3","8","1","8","4","1") = "7"
    & skf18("3","3","8","1","8","5","1") = "7"
    & skf18("3","3","8","1","8","6","1") = "7"
    & skf18("3","3","8","1","8","7","1") = "7"
    & skf18("3","3","8","1","8","8","1") = "7"
    & skf18("3","3","8","1","8","9","1") = "8"
    & skf18("3","3","8","1","8","10","1") = "9"
    & skf18("3","3","8","1","9","1","1") = "8"
    & skf18("3","3","8","1","9","2","1") = "8"
    & skf18("3","3","8","1","9","3","1") = "8"
    & skf18("3","3","8","1","9","4","1") = "8"
    & skf18("3","3","8","1","9","5","1") = "8"
    & skf18("3","3","8","1","9","6","1") = "8"
    & skf18("3","3","8","1","9","7","1") = "8"
    & skf18("3","3","8","1","9","8","1") = "8"
    & skf18("3","3","8","1","9","9","1") = "8"
    & skf18("3","3","8","1","9","10","1") = "9"
    & skf18("3","3","8","1","10","1","1") = "9"
    & skf18("3","3","8","1","10","2","1") = "9"
    & skf18("3","3","8","1","10","3","1") = "9"
    & skf18("3","3","8","1","10","4","1") = "9"
    & skf18("3","3","8","1","10","5","1") = "9"
    & skf18("3","3","8","1","10","6","1") = "9"
    & skf18("3","3","8","1","10","7","1") = "9"
    & skf18("3","3","8","1","10","8","1") = "9"
    & skf18("3","3","8","1","10","9","1") = "9"
    & skf18("3","3","8","1","10","10","1") = "9"
    & skf18("3","3","8","2","1","1","1") = "7"
    & skf18("3","3","8","2","1","2","1") = "7"
    & skf18("3","3","8","2","1","3","1") = "7"
    & skf18("3","3","8","2","1","4","1") = "7"
    & skf18("3","3","8","2","1","5","1") = "7"
    & skf18("3","3","8","2","1","6","1") = "7"
    & skf18("3","3","8","2","1","7","1") = "7"
    & skf18("3","3","8","2","1","8","1") = "7"
    & skf18("3","3","8","2","1","9","1") = "8"
    & skf18("3","3","8","2","1","10","1") = "9"
    & skf18("3","3","8","2","2","1","1") = "7"
    & skf18("3","3","8","2","2","2","1") = "7"
    & skf18("3","3","8","2","2","3","1") = "7"
    & skf18("3","3","8","2","2","4","1") = "7"
    & skf18("3","3","8","2","2","5","1") = "7"
    & skf18("3","3","8","2","2","6","1") = "7"
    & skf18("3","3","8","2","2","7","1") = "7"
    & skf18("3","3","8","2","2","8","1") = "7"
    & skf18("3","3","8","2","2","9","1") = "8"
    & skf18("3","3","8","2","2","10","1") = "9"
    & skf18("3","3","8","2","3","1","1") = "7"
    & skf18("3","3","8","2","3","2","1") = "7"
    & skf18("3","3","8","2","3","3","1") = "7"
    & skf18("3","3","8","2","3","4","1") = "7"
    & skf18("3","3","8","2","3","5","1") = "7"
    & skf18("3","3","8","2","3","6","1") = "7"
    & skf18("3","3","8","2","3","7","1") = "7"
    & skf18("3","3","8","2","3","8","1") = "7"
    & skf18("3","3","8","2","3","9","1") = "8"
    & skf18("3","3","8","2","3","10","1") = "9"
    & skf18("3","3","8","2","4","1","1") = "7"
    & skf18("3","3","8","2","4","2","1") = "7"
    & skf18("3","3","8","2","4","3","1") = "7"
    & skf18("3","3","8","2","4","4","1") = "7"
    & skf18("3","3","8","2","4","5","1") = "7"
    & skf18("3","3","8","2","4","6","1") = "7"
    & skf18("3","3","8","2","4","7","1") = "7"
    & skf18("3","3","8","2","4","8","1") = "7"
    & skf18("3","3","8","2","4","9","1") = "8"
    & skf18("3","3","8","2","4","10","1") = "9"
    & skf18("3","3","8","2","5","1","1") = "7"
    & skf18("3","3","8","2","5","2","1") = "7"
    & skf18("3","3","8","2","5","3","1") = "7"
    & skf18("3","3","8","2","5","4","1") = "7"
    & skf18("3","3","8","2","5","5","1") = "7"
    & skf18("3","3","8","2","5","6","1") = "7"
    & skf18("3","3","8","2","5","7","1") = "7"
    & skf18("3","3","8","2","5","8","1") = "7"
    & skf18("3","3","8","2","5","9","1") = "8"
    & skf18("3","3","8","2","5","10","1") = "9"
    & skf18("3","3","8","2","6","1","1") = "7"
    & skf18("3","3","8","2","6","2","1") = "7"
    & skf18("3","3","8","2","6","3","1") = "7"
    & skf18("3","3","8","2","6","4","1") = "7"
    & skf18("3","3","8","2","6","5","1") = "7"
    & skf18("3","3","8","2","6","6","1") = "7"
    & skf18("3","3","8","2","6","7","1") = "7"
    & skf18("3","3","8","2","6","8","1") = "7"
    & skf18("3","3","8","2","6","9","1") = "8"
    & skf18("3","3","8","2","6","10","1") = "9"
    & skf18("3","3","8","2","7","1","1") = "7"
    & skf18("3","3","8","2","7","2","1") = "7"
    & skf18("3","3","8","2","7","3","1") = "7"
    & skf18("3","3","8","2","7","4","1") = "7"
    & skf18("3","3","8","2","7","5","1") = "7"
    & skf18("3","3","8","2","7","6","1") = "7"
    & skf18("3","3","8","2","7","7","1") = "7"
    & skf18("3","3","8","2","7","8","1") = "7"
    & skf18("3","3","8","2","7","9","1") = "8"
    & skf18("3","3","8","2","7","10","1") = "9"
    & skf18("3","3","8","2","8","1","1") = "7"
    & skf18("3","3","8","2","8","2","1") = "7"
    & skf18("3","3","8","2","8","3","1") = "7"
    & skf18("3","3","8","2","8","4","1") = "7"
    & skf18("3","3","8","2","8","5","1") = "7"
    & skf18("3","3","8","2","8","6","1") = "7"
    & skf18("3","3","8","2","8","7","1") = "7"
    & skf18("3","3","8","2","8","8","1") = "7"
    & skf18("3","3","8","2","8","9","1") = "8"
    & skf18("3","3","8","2","8","10","1") = "9"
    & skf18("3","3","8","2","9","1","1") = "8"
    & skf18("3","3","8","2","9","2","1") = "8"
    & skf18("3","3","8","2","9","3","1") = "8"
    & skf18("3","3","8","2","9","4","1") = "8"
    & skf18("3","3","8","2","9","5","1") = "8"
    & skf18("3","3","8","2","9","6","1") = "8"
    & skf18("3","3","8","2","9","7","1") = "8"
    & skf18("3","3","8","2","9","8","1") = "8"
    & skf18("3","3","8","2","9","9","1") = "8"
    & skf18("3","3","8","2","9","10","1") = "9"
    & skf18("3","3","8","2","10","1","1") = "9"
    & skf18("3","3","8","2","10","2","1") = "9"
    & skf18("3","3","8","2","10","3","1") = "9"
    & skf18("3","3","8","2","10","4","1") = "9"
    & skf18("3","3","8","2","10","5","1") = "9"
    & skf18("3","3","8","2","10","6","1") = "9"
    & skf18("3","3","8","2","10","7","1") = "9"
    & skf18("3","3","8","2","10","8","1") = "9"
    & skf18("3","3","8","2","10","9","1") = "9"
    & skf18("3","3","8","2","10","10","1") = "9"
    & skf18("3","3","8","3","1","1","1") = "7"
    & skf18("3","3","8","3","1","2","1") = "7"
    & skf18("3","3","8","3","1","3","1") = "7"
    & skf18("3","3","8","3","1","4","1") = "7"
    & skf18("3","3","8","3","1","5","1") = "7"
    & skf18("3","3","8","3","1","6","1") = "7"
    & skf18("3","3","8","3","1","7","1") = "7"
    & skf18("3","3","8","3","1","8","1") = "7"
    & skf18("3","3","8","3","1","9","1") = "8"
    & skf18("3","3","8","3","1","10","1") = "9"
    & skf18("3","3","8","3","2","1","1") = "7"
    & skf18("3","3","8","3","2","2","1") = "7"
    & skf18("3","3","8","3","2","3","1") = "7"
    & skf18("3","3","8","3","2","4","1") = "7"
    & skf18("3","3","8","3","2","5","1") = "7"
    & skf18("3","3","8","3","2","6","1") = "7"
    & skf18("3","3","8","3","2","7","1") = "7"
    & skf18("3","3","8","3","2","8","1") = "7"
    & skf18("3","3","8","3","2","9","1") = "8"
    & skf18("3","3","8","3","2","10","1") = "9"
    & skf18("3","3","8","3","3","1","1") = "7"
    & skf18("3","3","8","3","3","2","1") = "7"
    & skf18("3","3","8","3","3","3","1") = "7"
    & skf18("3","3","8","3","3","4","1") = "7"
    & skf18("3","3","8","3","3","5","1") = "7"
    & skf18("3","3","8","3","3","6","1") = "7"
    & skf18("3","3","8","3","3","7","1") = "7"
    & skf18("3","3","8","3","3","8","1") = "7"
    & skf18("3","3","8","3","3","9","1") = "8"
    & skf18("3","3","8","3","3","10","1") = "9"
    & skf18("3","3","8","3","4","1","1") = "7"
    & skf18("3","3","8","3","4","2","1") = "7"
    & skf18("3","3","8","3","4","3","1") = "7"
    & skf18("3","3","8","3","4","4","1") = "7"
    & skf18("3","3","8","3","4","5","1") = "7"
    & skf18("3","3","8","3","4","6","1") = "7"
    & skf18("3","3","8","3","4","7","1") = "7"
    & skf18("3","3","8","3","4","8","1") = "7"
    & skf18("3","3","8","3","4","9","1") = "8"
    & skf18("3","3","8","3","4","10","1") = "9"
    & skf18("3","3","8","3","5","1","1") = "7"
    & skf18("3","3","8","3","5","2","1") = "7"
    & skf18("3","3","8","3","5","3","1") = "7"
    & skf18("3","3","8","3","5","4","1") = "7"
    & skf18("3","3","8","3","5","5","1") = "7"
    & skf18("3","3","8","3","5","6","1") = "7"
    & skf18("3","3","8","3","5","7","1") = "7"
    & skf18("3","3","8","3","5","8","1") = "7"
    & skf18("3","3","8","3","5","9","1") = "8"
    & skf18("3","3","8","3","5","10","1") = "9"
    & skf18("3","3","8","3","6","1","1") = "7"
    & skf18("3","3","8","3","6","2","1") = "7"
    & skf18("3","3","8","3","6","3","1") = "7"
    & skf18("3","3","8","3","6","4","1") = "7"
    & skf18("3","3","8","3","6","5","1") = "7"
    & skf18("3","3","8","3","6","6","1") = "7"
    & skf18("3","3","8","3","6","7","1") = "7"
    & skf18("3","3","8","3","6","8","1") = "7"
    & skf18("3","3","8","3","6","9","1") = "8"
    & skf18("3","3","8","3","6","10","1") = "9"
    & skf18("3","3","8","3","7","1","1") = "7"
    & skf18("3","3","8","3","7","2","1") = "7"
    & skf18("3","3","8","3","7","3","1") = "7"
    & skf18("3","3","8","3","7","4","1") = "7"
    & skf18("3","3","8","3","7","5","1") = "7"
    & skf18("3","3","8","3","7","6","1") = "7"
    & skf18("3","3","8","3","7","7","1") = "7"
    & skf18("3","3","8","3","7","8","1") = "7"
    & skf18("3","3","8","3","7","9","1") = "8"
    & skf18("3","3","8","3","7","10","1") = "9"
    & skf18("3","3","8","3","8","1","1") = "7"
    & skf18("3","3","8","3","8","2","1") = "7"
    & skf18("3","3","8","3","8","3","1") = "7"
    & skf18("3","3","8","3","8","4","1") = "7"
    & skf18("3","3","8","3","8","5","1") = "7"
    & skf18("3","3","8","3","8","6","1") = "7"
    & skf18("3","3","8","3","8","7","1") = "7"
    & skf18("3","3","8","3","8","8","1") = "7"
    & skf18("3","3","8","3","8","9","1") = "8"
    & skf18("3","3","8","3","8","10","1") = "9"
    & skf18("3","3","8","3","9","1","1") = "8"
    & skf18("3","3","8","3","9","2","1") = "8"
    & skf18("3","3","8","3","9","3","1") = "8"
    & skf18("3","3","8","3","9","4","1") = "8"
    & skf18("3","3","8","3","9","5","1") = "8"
    & skf18("3","3","8","3","9","6","1") = "8"
    & skf18("3","3","8","3","9","7","1") = "8"
    & skf18("3","3","8","3","9","8","1") = "8"
    & skf18("3","3","8","3","9","9","1") = "8"
    & skf18("3","3","8","3","9","10","1") = "9"
    & skf18("3","3","8","3","10","1","1") = "9"
    & skf18("3","3","8","3","10","2","1") = "9"
    & skf18("3","3","8","3","10","3","1") = "9"
    & skf18("3","3","8","3","10","4","1") = "9"
    & skf18("3","3","8","3","10","5","1") = "9"
    & skf18("3","3","8","3","10","6","1") = "9"
    & skf18("3","3","8","3","10","7","1") = "9"
    & skf18("3","3","8","3","10","8","1") = "9"
    & skf18("3","3","8","3","10","9","1") = "9"
    & skf18("3","3","8","3","10","10","1") = "9"
    & skf18("3","3","8","4","1","1","1") = "7"
    & skf18("3","3","8","4","1","2","1") = "7"
    & skf18("3","3","8","4","1","3","1") = "7"
    & skf18("3","3","8","4","1","4","1") = "7"
    & skf18("3","3","8","4","1","5","1") = "7"
    & skf18("3","3","8","4","1","6","1") = "7"
    & skf18("3","3","8","4","1","7","1") = "7"
    & skf18("3","3","8","4","1","8","1") = "7"
    & skf18("3","3","8","4","1","9","1") = "8"
    & skf18("3","3","8","4","1","10","1") = "9"
    & skf18("3","3","8","4","2","1","1") = "7"
    & skf18("3","3","8","4","2","2","1") = "7"
    & skf18("3","3","8","4","2","3","1") = "7"
    & skf18("3","3","8","4","2","4","1") = "7"
    & skf18("3","3","8","4","2","5","1") = "7"
    & skf18("3","3","8","4","2","6","1") = "7"
    & skf18("3","3","8","4","2","7","1") = "7"
    & skf18("3","3","8","4","2","8","1") = "7"
    & skf18("3","3","8","4","2","9","1") = "8"
    & skf18("3","3","8","4","2","10","1") = "9"
    & skf18("3","3","8","4","3","1","1") = "7"
    & skf18("3","3","8","4","3","2","1") = "7"
    & skf18("3","3","8","4","3","3","1") = "7"
    & skf18("3","3","8","4","3","4","1") = "7"
    & skf18("3","3","8","4","3","5","1") = "7"
    & skf18("3","3","8","4","3","6","1") = "7"
    & skf18("3","3","8","4","3","7","1") = "7"
    & skf18("3","3","8","4","3","8","1") = "7"
    & skf18("3","3","8","4","3","9","1") = "8"
    & skf18("3","3","8","4","3","10","1") = "9"
    & skf18("3","3","8","4","4","1","1") = "7"
    & skf18("3","3","8","4","4","2","1") = "7"
    & skf18("3","3","8","4","4","3","1") = "7"
    & skf18("3","3","8","4","4","4","1") = "7"
    & skf18("3","3","8","4","4","5","1") = "7"
    & skf18("3","3","8","4","4","6","1") = "7"
    & skf18("3","3","8","4","4","7","1") = "7"
    & skf18("3","3","8","4","4","8","1") = "7"
    & skf18("3","3","8","4","4","9","1") = "8"
    & skf18("3","3","8","4","4","10","1") = "9"
    & skf18("3","3","8","4","5","1","1") = "7"
    & skf18("3","3","8","4","5","2","1") = "7"
    & skf18("3","3","8","4","5","3","1") = "7"
    & skf18("3","3","8","4","5","4","1") = "7"
    & skf18("3","3","8","4","5","5","1") = "7"
    & skf18("3","3","8","4","5","6","1") = "7"
    & skf18("3","3","8","4","5","7","1") = "7"
    & skf18("3","3","8","4","5","8","1") = "7"
    & skf18("3","3","8","4","5","9","1") = "8"
    & skf18("3","3","8","4","5","10","1") = "9"
    & skf18("3","3","8","4","6","1","1") = "7"
    & skf18("3","3","8","4","6","2","1") = "7"
    & skf18("3","3","8","4","6","3","1") = "7"
    & skf18("3","3","8","4","6","4","1") = "7"
    & skf18("3","3","8","4","6","5","1") = "7"
    & skf18("3","3","8","4","6","6","1") = "7"
    & skf18("3","3","8","4","6","7","1") = "7"
    & skf18("3","3","8","4","6","8","1") = "7"
    & skf18("3","3","8","4","6","9","1") = "8"
    & skf18("3","3","8","4","6","10","1") = "9"
    & skf18("3","3","8","4","7","1","1") = "7"
    & skf18("3","3","8","4","7","2","1") = "7"
    & skf18("3","3","8","4","7","3","1") = "7"
    & skf18("3","3","8","4","7","4","1") = "7"
    & skf18("3","3","8","4","7","5","1") = "7"
    & skf18("3","3","8","4","7","6","1") = "7"
    & skf18("3","3","8","4","7","7","1") = "7"
    & skf18("3","3","8","4","7","8","1") = "7"
    & skf18("3","3","8","4","7","9","1") = "8"
    & skf18("3","3","8","4","7","10","1") = "9"
    & skf18("3","3","8","4","8","1","1") = "7"
    & skf18("3","3","8","4","8","2","1") = "7"
    & skf18("3","3","8","4","8","3","1") = "7"
    & skf18("3","3","8","4","8","4","1") = "7"
    & skf18("3","3","8","4","8","5","1") = "7"
    & skf18("3","3","8","4","8","6","1") = "7"
    & skf18("3","3","8","4","8","7","1") = "7"
    & skf18("3","3","8","4","8","8","1") = "7"
    & skf18("3","3","8","4","8","9","1") = "8"
    & skf18("3","3","8","4","8","10","1") = "9"
    & skf18("3","3","8","4","9","1","1") = "8"
    & skf18("3","3","8","4","9","2","1") = "8"
    & skf18("3","3","8","4","9","3","1") = "8"
    & skf18("3","3","8","4","9","4","1") = "8"
    & skf18("3","3","8","4","9","5","1") = "8"
    & skf18("3","3","8","4","9","6","1") = "8"
    & skf18("3","3","8","4","9","7","1") = "8"
    & skf18("3","3","8","4","9","8","1") = "8"
    & skf18("3","3","8","4","9","9","1") = "8"
    & skf18("3","3","8","4","9","10","1") = "9"
    & skf18("3","3","8","4","10","1","1") = "9"
    & skf18("3","3","8","4","10","2","1") = "9"
    & skf18("3","3","8","4","10","3","1") = "9"
    & skf18("3","3","8","4","10","4","1") = "9"
    & skf18("3","3","8","4","10","5","1") = "9"
    & skf18("3","3","8","4","10","6","1") = "9"
    & skf18("3","3","8","4","10","7","1") = "9"
    & skf18("3","3","8","4","10","8","1") = "9"
    & skf18("3","3","8","4","10","9","1") = "9"
    & skf18("3","3","8","4","10","10","1") = "9"
    & skf18("3","3","8","5","1","1","1") = "7"
    & skf18("3","3","8","5","1","2","1") = "7"
    & skf18("3","3","8","5","1","3","1") = "7"
    & skf18("3","3","8","5","1","4","1") = "7"
    & skf18("3","3","8","5","1","5","1") = "7"
    & skf18("3","3","8","5","1","6","1") = "7"
    & skf18("3","3","8","5","1","7","1") = "7"
    & skf18("3","3","8","5","1","8","1") = "7"
    & skf18("3","3","8","5","1","9","1") = "8"
    & skf18("3","3","8","5","1","10","1") = "9"
    & skf18("3","3","8","5","2","1","1") = "7"
    & skf18("3","3","8","5","2","2","1") = "7"
    & skf18("3","3","8","5","2","3","1") = "7"
    & skf18("3","3","8","5","2","4","1") = "7"
    & skf18("3","3","8","5","2","5","1") = "7"
    & skf18("3","3","8","5","2","6","1") = "7"
    & skf18("3","3","8","5","2","7","1") = "7"
    & skf18("3","3","8","5","2","8","1") = "7"
    & skf18("3","3","8","5","2","9","1") = "8"
    & skf18("3","3","8","5","2","10","1") = "9"
    & skf18("3","3","8","5","3","1","1") = "7"
    & skf18("3","3","8","5","3","2","1") = "7"
    & skf18("3","3","8","5","3","3","1") = "7"
    & skf18("3","3","8","5","3","4","1") = "7"
    & skf18("3","3","8","5","3","5","1") = "7"
    & skf18("3","3","8","5","3","6","1") = "7"
    & skf18("3","3","8","5","3","7","1") = "7"
    & skf18("3","3","8","5","3","8","1") = "7"
    & skf18("3","3","8","5","3","9","1") = "8"
    & skf18("3","3","8","5","3","10","1") = "9"
    & skf18("3","3","8","5","4","1","1") = "7"
    & skf18("3","3","8","5","4","2","1") = "7"
    & skf18("3","3","8","5","4","3","1") = "7"
    & skf18("3","3","8","5","4","4","1") = "7"
    & skf18("3","3","8","5","4","5","1") = "7"
    & skf18("3","3","8","5","4","6","1") = "7"
    & skf18("3","3","8","5","4","7","1") = "7"
    & skf18("3","3","8","5","4","8","1") = "7"
    & skf18("3","3","8","5","4","9","1") = "8"
    & skf18("3","3","8","5","4","10","1") = "9"
    & skf18("3","3","8","5","5","1","1") = "7"
    & skf18("3","3","8","5","5","2","1") = "7"
    & skf18("3","3","8","5","5","3","1") = "7"
    & skf18("3","3","8","5","5","4","1") = "7"
    & skf18("3","3","8","5","5","5","1") = "7"
    & skf18("3","3","8","5","5","6","1") = "7"
    & skf18("3","3","8","5","5","7","1") = "7"
    & skf18("3","3","8","5","5","8","1") = "7"
    & skf18("3","3","8","5","5","9","1") = "8"
    & skf18("3","3","8","5","5","10","1") = "9"
    & skf18("3","3","8","5","6","1","1") = "7"
    & skf18("3","3","8","5","6","2","1") = "7"
    & skf18("3","3","8","5","6","3","1") = "7"
    & skf18("3","3","8","5","6","4","1") = "7"
    & skf18("3","3","8","5","6","5","1") = "7"
    & skf18("3","3","8","5","6","6","1") = "7"
    & skf18("3","3","8","5","6","7","1") = "7"
    & skf18("3","3","8","5","6","8","1") = "7"
    & skf18("3","3","8","5","6","9","1") = "8"
    & skf18("3","3","8","5","6","10","1") = "9"
    & skf18("3","3","8","5","7","1","1") = "7"
    & skf18("3","3","8","5","7","2","1") = "7"
    & skf18("3","3","8","5","7","3","1") = "7"
    & skf18("3","3","8","5","7","4","1") = "7"
    & skf18("3","3","8","5","7","5","1") = "7"
    & skf18("3","3","8","5","7","6","1") = "7"
    & skf18("3","3","8","5","7","7","1") = "7"
    & skf18("3","3","8","5","7","8","1") = "7"
    & skf18("3","3","8","5","7","9","1") = "8"
    & skf18("3","3","8","5","7","10","1") = "9"
    & skf18("3","3","8","5","8","1","1") = "7"
    & skf18("3","3","8","5","8","2","1") = "7"
    & skf18("3","3","8","5","8","3","1") = "7"
    & skf18("3","3","8","5","8","4","1") = "7"
    & skf18("3","3","8","5","8","5","1") = "7"
    & skf18("3","3","8","5","8","6","1") = "7"
    & skf18("3","3","8","5","8","7","1") = "7"
    & skf18("3","3","8","5","8","8","1") = "7"
    & skf18("3","3","8","5","8","9","1") = "8"
    & skf18("3","3","8","5","8","10","1") = "9"
    & skf18("3","3","8","5","9","1","1") = "8"
    & skf18("3","3","8","5","9","2","1") = "8"
    & skf18("3","3","8","5","9","3","1") = "8"
    & skf18("3","3","8","5","9","4","1") = "8"
    & skf18("3","3","8","5","9","5","1") = "8"
    & skf18("3","3","8","5","9","6","1") = "8"
    & skf18("3","3","8","5","9","7","1") = "8"
    & skf18("3","3","8","5","9","8","1") = "8"
    & skf18("3","3","8","5","9","9","1") = "8"
    & skf18("3","3","8","5","9","10","1") = "9"
    & skf18("3","3","8","5","10","1","1") = "9"
    & skf18("3","3","8","5","10","2","1") = "9"
    & skf18("3","3","8","5","10","3","1") = "9"
    & skf18("3","3","8","5","10","4","1") = "9"
    & skf18("3","3","8","5","10","5","1") = "9"
    & skf18("3","3","8","5","10","6","1") = "9"
    & skf18("3","3","8","5","10","7","1") = "9"
    & skf18("3","3","8","5","10","8","1") = "9"
    & skf18("3","3","8","5","10","9","1") = "9"
    & skf18("3","3","8","5","10","10","1") = "9"
    & skf18("3","3","8","6","1","1","1") = "7"
    & skf18("3","3","8","6","1","2","1") = "7"
    & skf18("3","3","8","6","1","3","1") = "7"
    & skf18("3","3","8","6","1","4","1") = "7"
    & skf18("3","3","8","6","1","5","1") = "7"
    & skf18("3","3","8","6","1","6","1") = "7"
    & skf18("3","3","8","6","1","7","1") = "7"
    & skf18("3","3","8","6","1","8","1") = "7"
    & skf18("3","3","8","6","1","9","1") = "8"
    & skf18("3","3","8","6","1","10","1") = "9"
    & skf18("3","3","8","6","2","1","1") = "7"
    & skf18("3","3","8","6","2","2","1") = "7"
    & skf18("3","3","8","6","2","3","1") = "7"
    & skf18("3","3","8","6","2","4","1") = "7"
    & skf18("3","3","8","6","2","5","1") = "7"
    & skf18("3","3","8","6","2","6","1") = "7"
    & skf18("3","3","8","6","2","7","1") = "7"
    & skf18("3","3","8","6","2","8","1") = "7"
    & skf18("3","3","8","6","2","9","1") = "8"
    & skf18("3","3","8","6","2","10","1") = "9"
    & skf18("3","3","8","6","3","1","1") = "7"
    & skf18("3","3","8","6","3","2","1") = "7"
    & skf18("3","3","8","6","3","3","1") = "7"
    & skf18("3","3","8","6","3","4","1") = "7"
    & skf18("3","3","8","6","3","5","1") = "7"
    & skf18("3","3","8","6","3","6","1") = "7"
    & skf18("3","3","8","6","3","7","1") = "7"
    & skf18("3","3","8","6","3","8","1") = "7"
    & skf18("3","3","8","6","3","9","1") = "8"
    & skf18("3","3","8","6","3","10","1") = "9"
    & skf18("3","3","8","6","4","1","1") = "7"
    & skf18("3","3","8","6","4","2","1") = "7"
    & skf18("3","3","8","6","4","3","1") = "7"
    & skf18("3","3","8","6","4","4","1") = "7"
    & skf18("3","3","8","6","4","5","1") = "7"
    & skf18("3","3","8","6","4","6","1") = "7"
    & skf18("3","3","8","6","4","7","1") = "7"
    & skf18("3","3","8","6","4","8","1") = "7"
    & skf18("3","3","8","6","4","9","1") = "8"
    & skf18("3","3","8","6","4","10","1") = "9"
    & skf18("3","3","8","6","5","1","1") = "7"
    & skf18("3","3","8","6","5","2","1") = "7"
    & skf18("3","3","8","6","5","3","1") = "7"
    & skf18("3","3","8","6","5","4","1") = "7"
    & skf18("3","3","8","6","5","5","1") = "7"
    & skf18("3","3","8","6","5","6","1") = "7"
    & skf18("3","3","8","6","5","7","1") = "7"
    & skf18("3","3","8","6","5","8","1") = "7"
    & skf18("3","3","8","6","5","9","1") = "8"
    & skf18("3","3","8","6","5","10","1") = "9"
    & skf18("3","3","8","6","6","1","1") = "7"
    & skf18("3","3","8","6","6","2","1") = "7"
    & skf18("3","3","8","6","6","3","1") = "7"
    & skf18("3","3","8","6","6","4","1") = "7"
    & skf18("3","3","8","6","6","5","1") = "7"
    & skf18("3","3","8","6","6","6","1") = "7"
    & skf18("3","3","8","6","6","7","1") = "7"
    & skf18("3","3","8","6","6","8","1") = "7"
    & skf18("3","3","8","6","6","9","1") = "8"
    & skf18("3","3","8","6","6","10","1") = "9"
    & skf18("3","3","8","6","7","1","1") = "7"
    & skf18("3","3","8","6","7","2","1") = "7"
    & skf18("3","3","8","6","7","3","1") = "7"
    & skf18("3","3","8","6","7","4","1") = "7"
    & skf18("3","3","8","6","7","5","1") = "7"
    & skf18("3","3","8","6","7","6","1") = "7"
    & skf18("3","3","8","6","7","7","1") = "7"
    & skf18("3","3","8","6","7","8","1") = "7"
    & skf18("3","3","8","6","7","9","1") = "8"
    & skf18("3","3","8","6","7","10","1") = "9"
    & skf18("3","3","8","6","8","1","1") = "7"
    & skf18("3","3","8","6","8","2","1") = "7"
    & skf18("3","3","8","6","8","3","1") = "7"
    & skf18("3","3","8","6","8","4","1") = "7"
    & skf18("3","3","8","6","8","5","1") = "7"
    & skf18("3","3","8","6","8","6","1") = "7"
    & skf18("3","3","8","6","8","7","1") = "7"
    & skf18("3","3","8","6","8","8","1") = "7"
    & skf18("3","3","8","6","8","9","1") = "8"
    & skf18("3","3","8","6","8","10","1") = "9"
    & skf18("3","3","8","6","9","1","1") = "8"
    & skf18("3","3","8","6","9","2","1") = "8"
    & skf18("3","3","8","6","9","3","1") = "8"
    & skf18("3","3","8","6","9","4","1") = "8"
    & skf18("3","3","8","6","9","5","1") = "8"
    & skf18("3","3","8","6","9","6","1") = "8"
    & skf18("3","3","8","6","9","7","1") = "8"
    & skf18("3","3","8","6","9","8","1") = "8"
    & skf18("3","3","8","6","9","9","1") = "8"
    & skf18("3","3","8","6","9","10","1") = "9"
    & skf18("3","3","8","6","10","1","1") = "9"
    & skf18("3","3","8","6","10","2","1") = "9"
    & skf18("3","3","8","6","10","3","1") = "9"
    & skf18("3","3","8","6","10","4","1") = "9"
    & skf18("3","3","8","6","10","5","1") = "9"
    & skf18("3","3","8","6","10","6","1") = "9"
    & skf18("3","3","8","6","10","7","1") = "9"
    & skf18("3","3","8","6","10","8","1") = "9"
    & skf18("3","3","8","6","10","9","1") = "9"
    & skf18("3","3","8","6","10","10","1") = "9"
    & skf18("3","3","8","7","1","1","1") = "7"
    & skf18("3","3","8","7","1","2","1") = "7"
    & skf18("3","3","8","7","1","3","1") = "7"
    & skf18("3","3","8","7","1","4","1") = "7"
    & skf18("3","3","8","7","1","5","1") = "7"
    & skf18("3","3","8","7","1","6","1") = "7"
    & skf18("3","3","8","7","1","7","1") = "7"
    & skf18("3","3","8","7","1","8","1") = "7"
    & skf18("3","3","8","7","1","9","1") = "8"
    & skf18("3","3","8","7","1","10","1") = "9"
    & skf18("3","3","8","7","2","1","1") = "7"
    & skf18("3","3","8","7","2","2","1") = "7"
    & skf18("3","3","8","7","2","3","1") = "7"
    & skf18("3","3","8","7","2","4","1") = "7"
    & skf18("3","3","8","7","2","5","1") = "7"
    & skf18("3","3","8","7","2","6","1") = "7"
    & skf18("3","3","8","7","2","7","1") = "7"
    & skf18("3","3","8","7","2","8","1") = "7"
    & skf18("3","3","8","7","2","9","1") = "8"
    & skf18("3","3","8","7","2","10","1") = "9"
    & skf18("3","3","8","7","3","1","1") = "7"
    & skf18("3","3","8","7","3","2","1") = "7"
    & skf18("3","3","8","7","3","3","1") = "7"
    & skf18("3","3","8","7","3","4","1") = "7"
    & skf18("3","3","8","7","3","5","1") = "7"
    & skf18("3","3","8","7","3","6","1") = "7"
    & skf18("3","3","8","7","3","7","1") = "7"
    & skf18("3","3","8","7","3","8","1") = "7"
    & skf18("3","3","8","7","3","9","1") = "8"
    & skf18("3","3","8","7","3","10","1") = "9"
    & skf18("3","3","8","7","4","1","1") = "7"
    & skf18("3","3","8","7","4","2","1") = "7"
    & skf18("3","3","8","7","4","3","1") = "7"
    & skf18("3","3","8","7","4","4","1") = "7"
    & skf18("3","3","8","7","4","5","1") = "7"
    & skf18("3","3","8","7","4","6","1") = "7"
    & skf18("3","3","8","7","4","7","1") = "7"
    & skf18("3","3","8","7","4","8","1") = "7"
    & skf18("3","3","8","7","4","9","1") = "8"
    & skf18("3","3","8","7","4","10","1") = "9"
    & skf18("3","3","8","7","5","1","1") = "7"
    & skf18("3","3","8","7","5","2","1") = "7"
    & skf18("3","3","8","7","5","3","1") = "7"
    & skf18("3","3","8","7","5","4","1") = "7"
    & skf18("3","3","8","7","5","5","1") = "7"
    & skf18("3","3","8","7","5","6","1") = "7"
    & skf18("3","3","8","7","5","7","1") = "7"
    & skf18("3","3","8","7","5","8","1") = "7"
    & skf18("3","3","8","7","5","9","1") = "8"
    & skf18("3","3","8","7","5","10","1") = "9"
    & skf18("3","3","8","7","6","1","1") = "7"
    & skf18("3","3","8","7","6","2","1") = "7"
    & skf18("3","3","8","7","6","3","1") = "7"
    & skf18("3","3","8","7","6","4","1") = "7"
    & skf18("3","3","8","7","6","5","1") = "7"
    & skf18("3","3","8","7","6","6","1") = "7"
    & skf18("3","3","8","7","6","7","1") = "7"
    & skf18("3","3","8","7","6","8","1") = "7"
    & skf18("3","3","8","7","6","9","1") = "8"
    & skf18("3","3","8","7","6","10","1") = "9"
    & skf18("3","3","8","7","7","1","1") = "7"
    & skf18("3","3","8","7","7","2","1") = "7"
    & skf18("3","3","8","7","7","3","1") = "7"
    & skf18("3","3","8","7","7","4","1") = "7"
    & skf18("3","3","8","7","7","5","1") = "7"
    & skf18("3","3","8","7","7","6","1") = "7"
    & skf18("3","3","8","7","7","7","1") = "7"
    & skf18("3","3","8","7","7","8","1") = "7"
    & skf18("3","3","8","7","7","9","1") = "8"
    & skf18("3","3","8","7","7","10","1") = "9"
    & skf18("3","3","8","7","8","1","1") = "7"
    & skf18("3","3","8","7","8","2","1") = "7"
    & skf18("3","3","8","7","8","3","1") = "7"
    & skf18("3","3","8","7","8","4","1") = "7"
    & skf18("3","3","8","7","8","5","1") = "7"
    & skf18("3","3","8","7","8","6","1") = "7"
    & skf18("3","3","8","7","8","7","1") = "7"
    & skf18("3","3","8","7","8","8","1") = "7"
    & skf18("3","3","8","7","8","9","1") = "8"
    & skf18("3","3","8","7","8","10","1") = "9"
    & skf18("3","3","8","7","9","1","1") = "8"
    & skf18("3","3","8","7","9","2","1") = "8"
    & skf18("3","3","8","7","9","3","1") = "8"
    & skf18("3","3","8","7","9","4","1") = "8"
    & skf18("3","3","8","7","9","5","1") = "8"
    & skf18("3","3","8","7","9","6","1") = "8"
    & skf18("3","3","8","7","9","7","1") = "8"
    & skf18("3","3","8","7","9","8","1") = "8"
    & skf18("3","3","8","7","9","9","1") = "8"
    & skf18("3","3","8","7","9","10","1") = "9"
    & skf18("3","3","8","7","10","1","1") = "9"
    & skf18("3","3","8","7","10","2","1") = "9"
    & skf18("3","3","8","7","10","3","1") = "9"
    & skf18("3","3","8","7","10","4","1") = "9"
    & skf18("3","3","8","7","10","5","1") = "9"
    & skf18("3","3","8","7","10","6","1") = "9"
    & skf18("3","3","8","7","10","7","1") = "9"
    & skf18("3","3","8","7","10","8","1") = "9"
    & skf18("3","3","8","7","10","9","1") = "9"
    & skf18("3","3","8","7","10","10","1") = "9"
    & skf18("3","3","8","8","1","1","1") = "7"
    & skf18("3","3","8","8","1","2","1") = "7"
    & skf18("3","3","8","8","1","3","1") = "7"
    & skf18("3","3","8","8","1","4","1") = "7"
    & skf18("3","3","8","8","1","5","1") = "7"
    & skf18("3","3","8","8","1","6","1") = "7"
    & skf18("3","3","8","8","1","7","1") = "7"
    & skf18("3","3","8","8","1","8","1") = "7"
    & skf18("3","3","8","8","1","9","1") = "8"
    & skf18("3","3","8","8","1","10","1") = "9"
    & skf18("3","3","8","8","2","1","1") = "7"
    & skf18("3","3","8","8","2","2","1") = "7"
    & skf18("3","3","8","8","2","3","1") = "7"
    & skf18("3","3","8","8","2","4","1") = "7"
    & skf18("3","3","8","8","2","5","1") = "7"
    & skf18("3","3","8","8","2","6","1") = "7"
    & skf18("3","3","8","8","2","7","1") = "7"
    & skf18("3","3","8","8","2","8","1") = "7"
    & skf18("3","3","8","8","2","9","1") = "8"
    & skf18("3","3","8","8","2","10","1") = "9"
    & skf18("3","3","8","8","3","1","1") = "7"
    & skf18("3","3","8","8","3","2","1") = "7"
    & skf18("3","3","8","8","3","3","1") = "7"
    & skf18("3","3","8","8","3","4","1") = "7"
    & skf18("3","3","8","8","3","5","1") = "7"
    & skf18("3","3","8","8","3","6","1") = "7"
    & skf18("3","3","8","8","3","7","1") = "7"
    & skf18("3","3","8","8","3","8","1") = "7"
    & skf18("3","3","8","8","3","9","1") = "8"
    & skf18("3","3","8","8","3","10","1") = "9"
    & skf18("3","3","8","8","4","1","1") = "7"
    & skf18("3","3","8","8","4","2","1") = "7"
    & skf18("3","3","8","8","4","3","1") = "7"
    & skf18("3","3","8","8","4","4","1") = "7"
    & skf18("3","3","8","8","4","5","1") = "7"
    & skf18("3","3","8","8","4","6","1") = "7"
    & skf18("3","3","8","8","4","7","1") = "7"
    & skf18("3","3","8","8","4","8","1") = "7"
    & skf18("3","3","8","8","4","9","1") = "8"
    & skf18("3","3","8","8","4","10","1") = "9"
    & skf18("3","3","8","8","5","1","1") = "7"
    & skf18("3","3","8","8","5","2","1") = "7"
    & skf18("3","3","8","8","5","3","1") = "7"
    & skf18("3","3","8","8","5","4","1") = "7"
    & skf18("3","3","8","8","5","5","1") = "7"
    & skf18("3","3","8","8","5","6","1") = "7"
    & skf18("3","3","8","8","5","7","1") = "7"
    & skf18("3","3","8","8","5","8","1") = "7"
    & skf18("3","3","8","8","5","9","1") = "8"
    & skf18("3","3","8","8","5","10","1") = "9"
    & skf18("3","3","8","8","6","1","1") = "7"
    & skf18("3","3","8","8","6","2","1") = "7"
    & skf18("3","3","8","8","6","3","1") = "7"
    & skf18("3","3","8","8","6","4","1") = "7"
    & skf18("3","3","8","8","6","5","1") = "7"
    & skf18("3","3","8","8","6","6","1") = "7"
    & skf18("3","3","8","8","6","7","1") = "7"
    & skf18("3","3","8","8","6","8","1") = "7"
    & skf18("3","3","8","8","6","9","1") = "8"
    & skf18("3","3","8","8","6","10","1") = "9"
    & skf18("3","3","8","8","7","1","1") = "7"
    & skf18("3","3","8","8","7","2","1") = "7"
    & skf18("3","3","8","8","7","3","1") = "7"
    & skf18("3","3","8","8","7","4","1") = "7"
    & skf18("3","3","8","8","7","5","1") = "7"
    & skf18("3","3","8","8","7","6","1") = "7"
    & skf18("3","3","8","8","7","7","1") = "7"
    & skf18("3","3","8","8","7","8","1") = "7"
    & skf18("3","3","8","8","7","9","1") = "8"
    & skf18("3","3","8","8","7","10","1") = "9"
    & skf18("3","3","8","8","8","1","1") = "7"
    & skf18("3","3","8","8","8","2","1") = "7"
    & skf18("3","3","8","8","8","3","1") = "7"
    & skf18("3","3","8","8","8","4","1") = "7"
    & skf18("3","3","8","8","8","5","1") = "7"
    & skf18("3","3","8","8","8","6","1") = "7"
    & skf18("3","3","8","8","8","7","1") = "7"
    & skf18("3","3","8","8","8","8","1") = "7"
    & skf18("3","3","8","8","8","9","1") = "8"
    & skf18("3","3","8","8","8","10","1") = "9"
    & skf18("3","3","8","8","9","1","1") = "8"
    & skf18("3","3","8","8","9","2","1") = "8"
    & skf18("3","3","8","8","9","3","1") = "8"
    & skf18("3","3","8","8","9","4","1") = "8"
    & skf18("3","3","8","8","9","5","1") = "8"
    & skf18("3","3","8","8","9","6","1") = "8"
    & skf18("3","3","8","8","9","7","1") = "8"
    & skf18("3","3","8","8","9","8","1") = "8"
    & skf18("3","3","8","8","9","9","1") = "8"
    & skf18("3","3","8","8","9","10","1") = "9"
    & skf18("3","3","8","8","10","1","1") = "9"
    & skf18("3","3","8","8","10","2","1") = "9"
    & skf18("3","3","8","8","10","3","1") = "9"
    & skf18("3","3","8","8","10","4","1") = "9"
    & skf18("3","3","8","8","10","5","1") = "9"
    & skf18("3","3","8","8","10","6","1") = "9"
    & skf18("3","3","8","8","10","7","1") = "9"
    & skf18("3","3","8","8","10","8","1") = "9"
    & skf18("3","3","8","8","10","9","1") = "9"
    & skf18("3","3","8","8","10","10","1") = "9"
    & skf18("3","3","8","9","1","1","1") = "8"
    & skf18("3","3","8","9","1","2","1") = "8"
    & skf18("3","3","8","9","1","3","1") = "8"
    & skf18("3","3","8","9","1","4","1") = "8"
    & skf18("3","3","8","9","1","5","1") = "8"
    & skf18("3","3","8","9","1","6","1") = "8"
    & skf18("3","3","8","9","1","7","1") = "8"
    & skf18("3","3","8","9","1","8","1") = "8"
    & skf18("3","3","8","9","1","9","1") = "8"
    & skf18("3","3","8","9","1","10","1") = "9"
    & skf18("3","3","8","9","2","1","1") = "8"
    & skf18("3","3","8","9","2","2","1") = "8"
    & skf18("3","3","8","9","2","3","1") = "8"
    & skf18("3","3","8","9","2","4","1") = "8"
    & skf18("3","3","8","9","2","5","1") = "8"
    & skf18("3","3","8","9","2","6","1") = "8"
    & skf18("3","3","8","9","2","7","1") = "8"
    & skf18("3","3","8","9","2","8","1") = "8"
    & skf18("3","3","8","9","2","9","1") = "8"
    & skf18("3","3","8","9","2","10","1") = "9"
    & skf18("3","3","8","9","3","1","1") = "8"
    & skf18("3","3","8","9","3","2","1") = "8"
    & skf18("3","3","8","9","3","3","1") = "8"
    & skf18("3","3","8","9","3","4","1") = "8"
    & skf18("3","3","8","9","3","5","1") = "8"
    & skf18("3","3","8","9","3","6","1") = "8"
    & skf18("3","3","8","9","3","7","1") = "8"
    & skf18("3","3","8","9","3","8","1") = "8"
    & skf18("3","3","8","9","3","9","1") = "8"
    & skf18("3","3","8","9","3","10","1") = "9"
    & skf18("3","3","8","9","4","1","1") = "8"
    & skf18("3","3","8","9","4","2","1") = "8"
    & skf18("3","3","8","9","4","3","1") = "8"
    & skf18("3","3","8","9","4","4","1") = "8"
    & skf18("3","3","8","9","4","5","1") = "8"
    & skf18("3","3","8","9","4","6","1") = "8"
    & skf18("3","3","8","9","4","7","1") = "8"
    & skf18("3","3","8","9","4","8","1") = "8"
    & skf18("3","3","8","9","4","9","1") = "8"
    & skf18("3","3","8","9","4","10","1") = "9"
    & skf18("3","3","8","9","5","1","1") = "8"
    & skf18("3","3","8","9","5","2","1") = "8"
    & skf18("3","3","8","9","5","3","1") = "8"
    & skf18("3","3","8","9","5","4","1") = "8"
    & skf18("3","3","8","9","5","5","1") = "8"
    & skf18("3","3","8","9","5","6","1") = "8"
    & skf18("3","3","8","9","5","7","1") = "8"
    & skf18("3","3","8","9","5","8","1") = "8"
    & skf18("3","3","8","9","5","9","1") = "8"
    & skf18("3","3","8","9","5","10","1") = "9"
    & skf18("3","3","8","9","6","1","1") = "8"
    & skf18("3","3","8","9","6","2","1") = "8"
    & skf18("3","3","8","9","6","3","1") = "8"
    & skf18("3","3","8","9","6","4","1") = "8"
    & skf18("3","3","8","9","6","5","1") = "8"
    & skf18("3","3","8","9","6","6","1") = "8"
    & skf18("3","3","8","9","6","7","1") = "8"
    & skf18("3","3","8","9","6","8","1") = "8"
    & skf18("3","3","8","9","6","9","1") = "8"
    & skf18("3","3","8","9","6","10","1") = "9"
    & skf18("3","3","8","9","7","1","1") = "8"
    & skf18("3","3","8","9","7","2","1") = "8"
    & skf18("3","3","8","9","7","3","1") = "8"
    & skf18("3","3","8","9","7","4","1") = "8"
    & skf18("3","3","8","9","7","5","1") = "8"
    & skf18("3","3","8","9","7","6","1") = "8"
    & skf18("3","3","8","9","7","7","1") = "8"
    & skf18("3","3","8","9","7","8","1") = "8"
    & skf18("3","3","8","9","7","9","1") = "8"
    & skf18("3","3","8","9","7","10","1") = "9"
    & skf18("3","3","8","9","8","1","1") = "8"
    & skf18("3","3","8","9","8","2","1") = "8"
    & skf18("3","3","8","9","8","3","1") = "8"
    & skf18("3","3","8","9","8","4","1") = "8"
    & skf18("3","3","8","9","8","5","1") = "8"
    & skf18("3","3","8","9","8","6","1") = "8"
    & skf18("3","3","8","9","8","7","1") = "8"
    & skf18("3","3","8","9","8","8","1") = "8"
    & skf18("3","3","8","9","8","9","1") = "8"
    & skf18("3","3","8","9","8","10","1") = "9"
    & skf18("3","3","8","9","9","1","1") = "8"
    & skf18("3","3","8","9","9","2","1") = "8"
    & skf18("3","3","8","9","9","3","1") = "8"
    & skf18("3","3","8","9","9","4","1") = "8"
    & skf18("3","3","8","9","9","5","1") = "8"
    & skf18("3","3","8","9","9","6","1") = "8"
    & skf18("3","3","8","9","9","7","1") = "8"
    & skf18("3","3","8","9","9","8","1") = "8"
    & skf18("3","3","8","9","9","9","1") = "8"
    & skf18("3","3","8","9","9","10","1") = "9"
    & skf18("3","3","8","9","10","1","1") = "9"
    & skf18("3","3","8","9","10","2","1") = "9"
    & skf18("3","3","8","9","10","3","1") = "9"
    & skf18("3","3","8","9","10","4","1") = "9"
    & skf18("3","3","8","9","10","5","1") = "9"
    & skf18("3","3","8","9","10","6","1") = "9"
    & skf18("3","3","8","9","10","7","1") = "9"
    & skf18("3","3","8","9","10","8","1") = "9"
    & skf18("3","3","8","9","10","9","1") = "9"
    & skf18("3","3","8","9","10","10","1") = "9"
    & skf18("3","3","8","10","1","1","1") = "9"
    & skf18("3","3","8","10","1","2","1") = "9"
    & skf18("3","3","8","10","1","3","1") = "9"
    & skf18("3","3","8","10","1","4","1") = "9"
    & skf18("3","3","8","10","1","5","1") = "9"
    & skf18("3","3","8","10","1","6","1") = "9"
    & skf18("3","3","8","10","1","7","1") = "9"
    & skf18("3","3","8","10","1","8","1") = "9"
    & skf18("3","3","8","10","1","9","1") = "9"
    & skf18("3","3","8","10","1","10","1") = "9"
    & skf18("3","3","8","10","2","1","1") = "9"
    & skf18("3","3","8","10","2","2","1") = "9"
    & skf18("3","3","8","10","2","3","1") = "9"
    & skf18("3","3","8","10","2","4","1") = "9"
    & skf18("3","3","8","10","2","5","1") = "9"
    & skf18("3","3","8","10","2","6","1") = "9"
    & skf18("3","3","8","10","2","7","1") = "9"
    & skf18("3","3","8","10","2","8","1") = "9"
    & skf18("3","3","8","10","2","9","1") = "9"
    & skf18("3","3","8","10","2","10","1") = "9"
    & skf18("3","3","8","10","3","1","1") = "9"
    & skf18("3","3","8","10","3","2","1") = "9"
    & skf18("3","3","8","10","3","3","1") = "9"
    & skf18("3","3","8","10","3","4","1") = "9"
    & skf18("3","3","8","10","3","5","1") = "9"
    & skf18("3","3","8","10","3","6","1") = "9"
    & skf18("3","3","8","10","3","7","1") = "9"
    & skf18("3","3","8","10","3","8","1") = "9"
    & skf18("3","3","8","10","3","9","1") = "9"
    & skf18("3","3","8","10","3","10","1") = "9"
    & skf18("3","3","8","10","4","1","1") = "9"
    & skf18("3","3","8","10","4","2","1") = "9"
    & skf18("3","3","8","10","4","3","1") = "9"
    & skf18("3","3","8","10","4","4","1") = "9"
    & skf18("3","3","8","10","4","5","1") = "9"
    & skf18("3","3","8","10","4","6","1") = "9"
    & skf18("3","3","8","10","4","7","1") = "9"
    & skf18("3","3","8","10","4","8","1") = "9"
    & skf18("3","3","8","10","4","9","1") = "9"
    & skf18("3","3","8","10","4","10","1") = "9"
    & skf18("3","3","8","10","5","1","1") = "9"
    & skf18("3","3","8","10","5","2","1") = "9"
    & skf18("3","3","8","10","5","3","1") = "9"
    & skf18("3","3","8","10","5","4","1") = "9"
    & skf18("3","3","8","10","5","5","1") = "9"
    & skf18("3","3","8","10","5","6","1") = "9"
    & skf18("3","3","8","10","5","7","1") = "9"
    & skf18("3","3","8","10","5","8","1") = "9"
    & skf18("3","3","8","10","5","9","1") = "9"
    & skf18("3","3","8","10","5","10","1") = "9"
    & skf18("3","3","8","10","6","1","1") = "9"
    & skf18("3","3","8","10","6","2","1") = "9"
    & skf18("3","3","8","10","6","3","1") = "9"
    & skf18("3","3","8","10","6","4","1") = "9"
    & skf18("3","3","8","10","6","5","1") = "9"
    & skf18("3","3","8","10","6","6","1") = "9"
    & skf18("3","3","8","10","6","7","1") = "9"
    & skf18("3","3","8","10","6","8","1") = "9"
    & skf18("3","3","8","10","6","9","1") = "9"
    & skf18("3","3","8","10","6","10","1") = "9"
    & skf18("3","3","8","10","7","1","1") = "9"
    & skf18("3","3","8","10","7","2","1") = "9"
    & skf18("3","3","8","10","7","3","1") = "9"
    & skf18("3","3","8","10","7","4","1") = "9"
    & skf18("3","3","8","10","7","5","1") = "9"
    & skf18("3","3","8","10","7","6","1") = "9"
    & skf18("3","3","8","10","7","7","1") = "9"
    & skf18("3","3","8","10","7","8","1") = "9"
    & skf18("3","3","8","10","7","9","1") = "9"
    & skf18("3","3","8","10","7","10","1") = "9"
    & skf18("3","3","8","10","8","1","1") = "9"
    & skf18("3","3","8","10","8","2","1") = "9"
    & skf18("3","3","8","10","8","3","1") = "9"
    & skf18("3","3","8","10","8","4","1") = "9"
    & skf18("3","3","8","10","8","5","1") = "9"
    & skf18("3","3","8","10","8","6","1") = "9"
    & skf18("3","3","8","10","8","7","1") = "9"
    & skf18("3","3","8","10","8","8","1") = "9"
    & skf18("3","3","8","10","8","9","1") = "9"
    & skf18("3","3","8","10","8","10","1") = "9"
    & skf18("3","3","8","10","9","1","1") = "9"
    & skf18("3","3","8","10","9","2","1") = "9"
    & skf18("3","3","8","10","9","3","1") = "9"
    & skf18("3","3","8","10","9","4","1") = "9"
    & skf18("3","3","8","10","9","5","1") = "9"
    & skf18("3","3","8","10","9","6","1") = "9"
    & skf18("3","3","8","10","9","7","1") = "9"
    & skf18("3","3","8","10","9","8","1") = "9"
    & skf18("3","3","8","10","9","9","1") = "9"
    & skf18("3","3","8","10","9","10","1") = "9"
    & skf18("3","3","8","10","10","1","1") = "9"
    & skf18("3","3","8","10","10","2","1") = "9"
    & skf18("3","3","8","10","10","3","1") = "9"
    & skf18("3","3","8","10","10","4","1") = "9"
    & skf18("3","3","8","10","10","5","1") = "9"
    & skf18("3","3","8","10","10","6","1") = "9"
    & skf18("3","3","8","10","10","7","1") = "9"
    & skf18("3","3","8","10","10","8","1") = "9"
    & skf18("3","3","8","10","10","9","1") = "9"
    & skf18("3","3","8","10","10","10","1") = "9"
    & skf18("3","3","9","1","1","1","1") = "8"
    & skf18("3","3","9","1","1","2","1") = "8"
    & skf18("3","3","9","1","1","3","1") = "8"
    & skf18("3","3","9","1","1","4","1") = "8"
    & skf18("3","3","9","1","1","5","1") = "8"
    & skf18("3","3","9","1","1","6","1") = "8"
    & skf18("3","3","9","1","1","7","1") = "8"
    & skf18("3","3","9","1","1","8","1") = "8"
    & skf18("3","3","9","1","1","9","1") = "8"
    & skf18("3","3","9","1","1","10","1") = "9"
    & skf18("3","3","9","1","2","1","1") = "8"
    & skf18("3","3","9","1","2","2","1") = "8"
    & skf18("3","3","9","1","2","3","1") = "8"
    & skf18("3","3","9","1","2","4","1") = "8"
    & skf18("3","3","9","1","2","5","1") = "8"
    & skf18("3","3","9","1","2","6","1") = "8"
    & skf18("3","3","9","1","2","7","1") = "8"
    & skf18("3","3","9","1","2","8","1") = "8"
    & skf18("3","3","9","1","2","9","1") = "8"
    & skf18("3","3","9","1","2","10","1") = "9"
    & skf18("3","3","9","1","3","1","1") = "8"
    & skf18("3","3","9","1","3","2","1") = "8"
    & skf18("3","3","9","1","3","3","1") = "8"
    & skf18("3","3","9","1","3","4","1") = "8"
    & skf18("3","3","9","1","3","5","1") = "8"
    & skf18("3","3","9","1","3","6","1") = "8"
    & skf18("3","3","9","1","3","7","1") = "8"
    & skf18("3","3","9","1","3","8","1") = "8"
    & skf18("3","3","9","1","3","9","1") = "8"
    & skf18("3","3","9","1","3","10","1") = "9"
    & skf18("3","3","9","1","4","1","1") = "8"
    & skf18("3","3","9","1","4","2","1") = "8"
    & skf18("3","3","9","1","4","3","1") = "8"
    & skf18("3","3","9","1","4","4","1") = "8"
    & skf18("3","3","9","1","4","5","1") = "8"
    & skf18("3","3","9","1","4","6","1") = "8"
    & skf18("3","3","9","1","4","7","1") = "8"
    & skf18("3","3","9","1","4","8","1") = "8"
    & skf18("3","3","9","1","4","9","1") = "8"
    & skf18("3","3","9","1","4","10","1") = "9"
    & skf18("3","3","9","1","5","1","1") = "8"
    & skf18("3","3","9","1","5","2","1") = "8"
    & skf18("3","3","9","1","5","3","1") = "8"
    & skf18("3","3","9","1","5","4","1") = "8"
    & skf18("3","3","9","1","5","5","1") = "8"
    & skf18("3","3","9","1","5","6","1") = "8"
    & skf18("3","3","9","1","5","7","1") = "8"
    & skf18("3","3","9","1","5","8","1") = "8"
    & skf18("3","3","9","1","5","9","1") = "8"
    & skf18("3","3","9","1","5","10","1") = "9"
    & skf18("3","3","9","1","6","1","1") = "8"
    & skf18("3","3","9","1","6","2","1") = "8"
    & skf18("3","3","9","1","6","3","1") = "8"
    & skf18("3","3","9","1","6","4","1") = "8"
    & skf18("3","3","9","1","6","5","1") = "8"
    & skf18("3","3","9","1","6","6","1") = "8"
    & skf18("3","3","9","1","6","7","1") = "8"
    & skf18("3","3","9","1","6","8","1") = "8"
    & skf18("3","3","9","1","6","9","1") = "8"
    & skf18("3","3","9","1","6","10","1") = "9"
    & skf18("3","3","9","1","7","1","1") = "8"
    & skf18("3","3","9","1","7","2","1") = "8"
    & skf18("3","3","9","1","7","3","1") = "8"
    & skf18("3","3","9","1","7","4","1") = "8"
    & skf18("3","3","9","1","7","5","1") = "8"
    & skf18("3","3","9","1","7","6","1") = "8"
    & skf18("3","3","9","1","7","7","1") = "8"
    & skf18("3","3","9","1","7","8","1") = "8"
    & skf18("3","3","9","1","7","9","1") = "8"
    & skf18("3","3","9","1","7","10","1") = "9"
    & skf18("3","3","9","1","8","1","1") = "8"
    & skf18("3","3","9","1","8","2","1") = "8"
    & skf18("3","3","9","1","8","3","1") = "8"
    & skf18("3","3","9","1","8","4","1") = "8"
    & skf18("3","3","9","1","8","5","1") = "8"
    & skf18("3","3","9","1","8","6","1") = "8"
    & skf18("3","3","9","1","8","7","1") = "8"
    & skf18("3","3","9","1","8","8","1") = "8"
    & skf18("3","3","9","1","8","9","1") = "8"
    & skf18("3","3","9","1","8","10","1") = "9"
    & skf18("3","3","9","1","9","1","1") = "8"
    & skf18("3","3","9","1","9","2","1") = "8"
    & skf18("3","3","9","1","9","3","1") = "8"
    & skf18("3","3","9","1","9","4","1") = "8"
    & skf18("3","3","9","1","9","5","1") = "8"
    & skf18("3","3","9","1","9","6","1") = "8"
    & skf18("3","3","9","1","9","7","1") = "8"
    & skf18("3","3","9","1","9","8","1") = "8"
    & skf18("3","3","9","1","9","9","1") = "8"
    & skf18("3","3","9","1","9","10","1") = "9"
    & skf18("3","3","9","1","10","1","1") = "9"
    & skf18("3","3","9","1","10","2","1") = "9"
    & skf18("3","3","9","1","10","3","1") = "9"
    & skf18("3","3","9","1","10","4","1") = "9"
    & skf18("3","3","9","1","10","5","1") = "9"
    & skf18("3","3","9","1","10","6","1") = "9"
    & skf18("3","3","9","1","10","7","1") = "9"
    & skf18("3","3","9","1","10","8","1") = "9"
    & skf18("3","3","9","1","10","9","1") = "9"
    & skf18("3","3","9","1","10","10","1") = "9"
    & skf18("3","3","9","2","1","1","1") = "8"
    & skf18("3","3","9","2","1","2","1") = "8"
    & skf18("3","3","9","2","1","3","1") = "8"
    & skf18("3","3","9","2","1","4","1") = "8"
    & skf18("3","3","9","2","1","5","1") = "8"
    & skf18("3","3","9","2","1","6","1") = "8"
    & skf18("3","3","9","2","1","7","1") = "8"
    & skf18("3","3","9","2","1","8","1") = "8"
    & skf18("3","3","9","2","1","9","1") = "8"
    & skf18("3","3","9","2","1","10","1") = "9"
    & skf18("3","3","9","2","2","1","1") = "8"
    & skf18("3","3","9","2","2","2","1") = "8"
    & skf18("3","3","9","2","2","3","1") = "8"
    & skf18("3","3","9","2","2","4","1") = "8"
    & skf18("3","3","9","2","2","5","1") = "8"
    & skf18("3","3","9","2","2","6","1") = "8"
    & skf18("3","3","9","2","2","7","1") = "8"
    & skf18("3","3","9","2","2","8","1") = "8"
    & skf18("3","3","9","2","2","9","1") = "8"
    & skf18("3","3","9","2","2","10","1") = "9"
    & skf18("3","3","9","2","3","1","1") = "8"
    & skf18("3","3","9","2","3","2","1") = "8"
    & skf18("3","3","9","2","3","3","1") = "8"
    & skf18("3","3","9","2","3","4","1") = "8"
    & skf18("3","3","9","2","3","5","1") = "8"
    & skf18("3","3","9","2","3","6","1") = "8"
    & skf18("3","3","9","2","3","7","1") = "8"
    & skf18("3","3","9","2","3","8","1") = "8"
    & skf18("3","3","9","2","3","9","1") = "8"
    & skf18("3","3","9","2","3","10","1") = "9"
    & skf18("3","3","9","2","4","1","1") = "8"
    & skf18("3","3","9","2","4","2","1") = "8"
    & skf18("3","3","9","2","4","3","1") = "8"
    & skf18("3","3","9","2","4","4","1") = "8"
    & skf18("3","3","9","2","4","5","1") = "8"
    & skf18("3","3","9","2","4","6","1") = "8"
    & skf18("3","3","9","2","4","7","1") = "8"
    & skf18("3","3","9","2","4","8","1") = "8"
    & skf18("3","3","9","2","4","9","1") = "8"
    & skf18("3","3","9","2","4","10","1") = "9"
    & skf18("3","3","9","2","5","1","1") = "8"
    & skf18("3","3","9","2","5","2","1") = "8"
    & skf18("3","3","9","2","5","3","1") = "8"
    & skf18("3","3","9","2","5","4","1") = "8"
    & skf18("3","3","9","2","5","5","1") = "8"
    & skf18("3","3","9","2","5","6","1") = "8"
    & skf18("3","3","9","2","5","7","1") = "8"
    & skf18("3","3","9","2","5","8","1") = "8"
    & skf18("3","3","9","2","5","9","1") = "8"
    & skf18("3","3","9","2","5","10","1") = "9"
    & skf18("3","3","9","2","6","1","1") = "8"
    & skf18("3","3","9","2","6","2","1") = "8"
    & skf18("3","3","9","2","6","3","1") = "8"
    & skf18("3","3","9","2","6","4","1") = "8"
    & skf18("3","3","9","2","6","5","1") = "8"
    & skf18("3","3","9","2","6","6","1") = "8"
    & skf18("3","3","9","2","6","7","1") = "8"
    & skf18("3","3","9","2","6","8","1") = "8"
    & skf18("3","3","9","2","6","9","1") = "8"
    & skf18("3","3","9","2","6","10","1") = "9"
    & skf18("3","3","9","2","7","1","1") = "8"
    & skf18("3","3","9","2","7","2","1") = "8"
    & skf18("3","3","9","2","7","3","1") = "8"
    & skf18("3","3","9","2","7","4","1") = "8"
    & skf18("3","3","9","2","7","5","1") = "8"
    & skf18("3","3","9","2","7","6","1") = "8"
    & skf18("3","3","9","2","7","7","1") = "8"
    & skf18("3","3","9","2","7","8","1") = "8"
    & skf18("3","3","9","2","7","9","1") = "8"
    & skf18("3","3","9","2","7","10","1") = "9"
    & skf18("3","3","9","2","8","1","1") = "8"
    & skf18("3","3","9","2","8","2","1") = "8"
    & skf18("3","3","9","2","8","3","1") = "8"
    & skf18("3","3","9","2","8","4","1") = "8"
    & skf18("3","3","9","2","8","5","1") = "8"
    & skf18("3","3","9","2","8","6","1") = "8"
    & skf18("3","3","9","2","8","7","1") = "8"
    & skf18("3","3","9","2","8","8","1") = "8"
    & skf18("3","3","9","2","8","9","1") = "8"
    & skf18("3","3","9","2","8","10","1") = "9"
    & skf18("3","3","9","2","9","1","1") = "8"
    & skf18("3","3","9","2","9","2","1") = "8"
    & skf18("3","3","9","2","9","3","1") = "8"
    & skf18("3","3","9","2","9","4","1") = "8"
    & skf18("3","3","9","2","9","5","1") = "8"
    & skf18("3","3","9","2","9","6","1") = "8"
    & skf18("3","3","9","2","9","7","1") = "8"
    & skf18("3","3","9","2","9","8","1") = "8"
    & skf18("3","3","9","2","9","9","1") = "8"
    & skf18("3","3","9","2","9","10","1") = "9"
    & skf18("3","3","9","2","10","1","1") = "9"
    & skf18("3","3","9","2","10","2","1") = "9"
    & skf18("3","3","9","2","10","3","1") = "9"
    & skf18("3","3","9","2","10","4","1") = "9"
    & skf18("3","3","9","2","10","5","1") = "9"
    & skf18("3","3","9","2","10","6","1") = "9"
    & skf18("3","3","9","2","10","7","1") = "9"
    & skf18("3","3","9","2","10","8","1") = "9"
    & skf18("3","3","9","2","10","9","1") = "9"
    & skf18("3","3","9","2","10","10","1") = "9"
    & skf18("3","3","9","3","1","1","1") = "8"
    & skf18("3","3","9","3","1","2","1") = "8"
    & skf18("3","3","9","3","1","3","1") = "8"
    & skf18("3","3","9","3","1","4","1") = "8"
    & skf18("3","3","9","3","1","5","1") = "8"
    & skf18("3","3","9","3","1","6","1") = "8"
    & skf18("3","3","9","3","1","7","1") = "8"
    & skf18("3","3","9","3","1","8","1") = "8"
    & skf18("3","3","9","3","1","9","1") = "8"
    & skf18("3","3","9","3","1","10","1") = "9"
    & skf18("3","3","9","3","2","1","1") = "8"
    & skf18("3","3","9","3","2","2","1") = "8"
    & skf18("3","3","9","3","2","3","1") = "8"
    & skf18("3","3","9","3","2","4","1") = "8"
    & skf18("3","3","9","3","2","5","1") = "8"
    & skf18("3","3","9","3","2","6","1") = "8"
    & skf18("3","3","9","3","2","7","1") = "8"
    & skf18("3","3","9","3","2","8","1") = "8"
    & skf18("3","3","9","3","2","9","1") = "8"
    & skf18("3","3","9","3","2","10","1") = "9"
    & skf18("3","3","9","3","3","1","1") = "8"
    & skf18("3","3","9","3","3","2","1") = "8"
    & skf18("3","3","9","3","3","3","1") = "8"
    & skf18("3","3","9","3","3","4","1") = "8"
    & skf18("3","3","9","3","3","5","1") = "8"
    & skf18("3","3","9","3","3","6","1") = "8"
    & skf18("3","3","9","3","3","7","1") = "8"
    & skf18("3","3","9","3","3","8","1") = "8"
    & skf18("3","3","9","3","3","9","1") = "8"
    & skf18("3","3","9","3","3","10","1") = "9"
    & skf18("3","3","9","3","4","1","1") = "8"
    & skf18("3","3","9","3","4","2","1") = "8"
    & skf18("3","3","9","3","4","3","1") = "8"
    & skf18("3","3","9","3","4","4","1") = "8"
    & skf18("3","3","9","3","4","5","1") = "8"
    & skf18("3","3","9","3","4","6","1") = "8"
    & skf18("3","3","9","3","4","7","1") = "8"
    & skf18("3","3","9","3","4","8","1") = "8"
    & skf18("3","3","9","3","4","9","1") = "8"
    & skf18("3","3","9","3","4","10","1") = "9"
    & skf18("3","3","9","3","5","1","1") = "8"
    & skf18("3","3","9","3","5","2","1") = "8"
    & skf18("3","3","9","3","5","3","1") = "8"
    & skf18("3","3","9","3","5","4","1") = "8"
    & skf18("3","3","9","3","5","5","1") = "8"
    & skf18("3","3","9","3","5","6","1") = "8"
    & skf18("3","3","9","3","5","7","1") = "8"
    & skf18("3","3","9","3","5","8","1") = "8"
    & skf18("3","3","9","3","5","9","1") = "8"
    & skf18("3","3","9","3","5","10","1") = "9"
    & skf18("3","3","9","3","6","1","1") = "8"
    & skf18("3","3","9","3","6","2","1") = "8"
    & skf18("3","3","9","3","6","3","1") = "8"
    & skf18("3","3","9","3","6","4","1") = "8"
    & skf18("3","3","9","3","6","5","1") = "8"
    & skf18("3","3","9","3","6","6","1") = "8"
    & skf18("3","3","9","3","6","7","1") = "8"
    & skf18("3","3","9","3","6","8","1") = "8"
    & skf18("3","3","9","3","6","9","1") = "8"
    & skf18("3","3","9","3","6","10","1") = "9"
    & skf18("3","3","9","3","7","1","1") = "8"
    & skf18("3","3","9","3","7","2","1") = "8"
    & skf18("3","3","9","3","7","3","1") = "8"
    & skf18("3","3","9","3","7","4","1") = "8"
    & skf18("3","3","9","3","7","5","1") = "8"
    & skf18("3","3","9","3","7","6","1") = "8"
    & skf18("3","3","9","3","7","7","1") = "8"
    & skf18("3","3","9","3","7","8","1") = "8"
    & skf18("3","3","9","3","7","9","1") = "8"
    & skf18("3","3","9","3","7","10","1") = "9"
    & skf18("3","3","9","3","8","1","1") = "8"
    & skf18("3","3","9","3","8","2","1") = "8"
    & skf18("3","3","9","3","8","3","1") = "8"
    & skf18("3","3","9","3","8","4","1") = "8"
    & skf18("3","3","9","3","8","5","1") = "8"
    & skf18("3","3","9","3","8","6","1") = "8"
    & skf18("3","3","9","3","8","7","1") = "8"
    & skf18("3","3","9","3","8","8","1") = "8"
    & skf18("3","3","9","3","8","9","1") = "8"
    & skf18("3","3","9","3","8","10","1") = "9"
    & skf18("3","3","9","3","9","1","1") = "8"
    & skf18("3","3","9","3","9","2","1") = "8"
    & skf18("3","3","9","3","9","3","1") = "8"
    & skf18("3","3","9","3","9","4","1") = "8"
    & skf18("3","3","9","3","9","5","1") = "8"
    & skf18("3","3","9","3","9","6","1") = "8"
    & skf18("3","3","9","3","9","7","1") = "8"
    & skf18("3","3","9","3","9","8","1") = "8"
    & skf18("3","3","9","3","9","9","1") = "8"
    & skf18("3","3","9","3","9","10","1") = "9"
    & skf18("3","3","9","3","10","1","1") = "9"
    & skf18("3","3","9","3","10","2","1") = "9"
    & skf18("3","3","9","3","10","3","1") = "9"
    & skf18("3","3","9","3","10","4","1") = "9"
    & skf18("3","3","9","3","10","5","1") = "9"
    & skf18("3","3","9","3","10","6","1") = "9"
    & skf18("3","3","9","3","10","7","1") = "9"
    & skf18("3","3","9","3","10","8","1") = "9"
    & skf18("3","3","9","3","10","9","1") = "9"
    & skf18("3","3","9","3","10","10","1") = "9"
    & skf18("3","3","9","4","1","1","1") = "8"
    & skf18("3","3","9","4","1","2","1") = "8"
    & skf18("3","3","9","4","1","3","1") = "8"
    & skf18("3","3","9","4","1","4","1") = "8"
    & skf18("3","3","9","4","1","5","1") = "8"
    & skf18("3","3","9","4","1","6","1") = "8"
    & skf18("3","3","9","4","1","7","1") = "8"
    & skf18("3","3","9","4","1","8","1") = "8"
    & skf18("3","3","9","4","1","9","1") = "8"
    & skf18("3","3","9","4","1","10","1") = "9"
    & skf18("3","3","9","4","2","1","1") = "8"
    & skf18("3","3","9","4","2","2","1") = "8"
    & skf18("3","3","9","4","2","3","1") = "8"
    & skf18("3","3","9","4","2","4","1") = "8"
    & skf18("3","3","9","4","2","5","1") = "8"
    & skf18("3","3","9","4","2","6","1") = "8"
    & skf18("3","3","9","4","2","7","1") = "8"
    & skf18("3","3","9","4","2","8","1") = "8"
    & skf18("3","3","9","4","2","9","1") = "8"
    & skf18("3","3","9","4","2","10","1") = "9"
    & skf18("3","3","9","4","3","1","1") = "8"
    & skf18("3","3","9","4","3","2","1") = "8"
    & skf18("3","3","9","4","3","3","1") = "8"
    & skf18("3","3","9","4","3","4","1") = "8"
    & skf18("3","3","9","4","3","5","1") = "8"
    & skf18("3","3","9","4","3","6","1") = "8"
    & skf18("3","3","9","4","3","7","1") = "8"
    & skf18("3","3","9","4","3","8","1") = "8"
    & skf18("3","3","9","4","3","9","1") = "8"
    & skf18("3","3","9","4","3","10","1") = "9"
    & skf18("3","3","9","4","4","1","1") = "8"
    & skf18("3","3","9","4","4","2","1") = "8"
    & skf18("3","3","9","4","4","3","1") = "8"
    & skf18("3","3","9","4","4","4","1") = "8"
    & skf18("3","3","9","4","4","5","1") = "8"
    & skf18("3","3","9","4","4","6","1") = "8"
    & skf18("3","3","9","4","4","7","1") = "8"
    & skf18("3","3","9","4","4","8","1") = "8"
    & skf18("3","3","9","4","4","9","1") = "8"
    & skf18("3","3","9","4","4","10","1") = "9"
    & skf18("3","3","9","4","5","1","1") = "8"
    & skf18("3","3","9","4","5","2","1") = "8"
    & skf18("3","3","9","4","5","3","1") = "8"
    & skf18("3","3","9","4","5","4","1") = "8"
    & skf18("3","3","9","4","5","5","1") = "8"
    & skf18("3","3","9","4","5","6","1") = "8"
    & skf18("3","3","9","4","5","7","1") = "8"
    & skf18("3","3","9","4","5","8","1") = "8"
    & skf18("3","3","9","4","5","9","1") = "8"
    & skf18("3","3","9","4","5","10","1") = "9"
    & skf18("3","3","9","4","6","1","1") = "8"
    & skf18("3","3","9","4","6","2","1") = "8"
    & skf18("3","3","9","4","6","3","1") = "8"
    & skf18("3","3","9","4","6","4","1") = "8"
    & skf18("3","3","9","4","6","5","1") = "8"
    & skf18("3","3","9","4","6","6","1") = "8"
    & skf18("3","3","9","4","6","7","1") = "8"
    & skf18("3","3","9","4","6","8","1") = "8"
    & skf18("3","3","9","4","6","9","1") = "8"
    & skf18("3","3","9","4","6","10","1") = "9"
    & skf18("3","3","9","4","7","1","1") = "8"
    & skf18("3","3","9","4","7","2","1") = "8"
    & skf18("3","3","9","4","7","3","1") = "8"
    & skf18("3","3","9","4","7","4","1") = "8"
    & skf18("3","3","9","4","7","5","1") = "8"
    & skf18("3","3","9","4","7","6","1") = "8"
    & skf18("3","3","9","4","7","7","1") = "8"
    & skf18("3","3","9","4","7","8","1") = "8"
    & skf18("3","3","9","4","7","9","1") = "8"
    & skf18("3","3","9","4","7","10","1") = "9"
    & skf18("3","3","9","4","8","1","1") = "8"
    & skf18("3","3","9","4","8","2","1") = "8"
    & skf18("3","3","9","4","8","3","1") = "8"
    & skf18("3","3","9","4","8","4","1") = "8"
    & skf18("3","3","9","4","8","5","1") = "8"
    & skf18("3","3","9","4","8","6","1") = "8"
    & skf18("3","3","9","4","8","7","1") = "8"
    & skf18("3","3","9","4","8","8","1") = "8"
    & skf18("3","3","9","4","8","9","1") = "8"
    & skf18("3","3","9","4","8","10","1") = "9"
    & skf18("3","3","9","4","9","1","1") = "8"
    & skf18("3","3","9","4","9","2","1") = "8"
    & skf18("3","3","9","4","9","3","1") = "8"
    & skf18("3","3","9","4","9","4","1") = "8"
    & skf18("3","3","9","4","9","5","1") = "8"
    & skf18("3","3","9","4","9","6","1") = "8"
    & skf18("3","3","9","4","9","7","1") = "8"
    & skf18("3","3","9","4","9","8","1") = "8"
    & skf18("3","3","9","4","9","9","1") = "8"
    & skf18("3","3","9","4","9","10","1") = "9"
    & skf18("3","3","9","4","10","1","1") = "9"
    & skf18("3","3","9","4","10","2","1") = "9"
    & skf18("3","3","9","4","10","3","1") = "9"
    & skf18("3","3","9","4","10","4","1") = "9"
    & skf18("3","3","9","4","10","5","1") = "9"
    & skf18("3","3","9","4","10","6","1") = "9"
    & skf18("3","3","9","4","10","7","1") = "9"
    & skf18("3","3","9","4","10","8","1") = "9"
    & skf18("3","3","9","4","10","9","1") = "9"
    & skf18("3","3","9","4","10","10","1") = "9"
    & skf18("3","3","9","5","1","1","1") = "8"
    & skf18("3","3","9","5","1","2","1") = "8"
    & skf18("3","3","9","5","1","3","1") = "8"
    & skf18("3","3","9","5","1","4","1") = "8"
    & skf18("3","3","9","5","1","5","1") = "8"
    & skf18("3","3","9","5","1","6","1") = "8"
    & skf18("3","3","9","5","1","7","1") = "8"
    & skf18("3","3","9","5","1","8","1") = "8"
    & skf18("3","3","9","5","1","9","1") = "8"
    & skf18("3","3","9","5","1","10","1") = "9"
    & skf18("3","3","9","5","2","1","1") = "8"
    & skf18("3","3","9","5","2","2","1") = "8"
    & skf18("3","3","9","5","2","3","1") = "8"
    & skf18("3","3","9","5","2","4","1") = "8"
    & skf18("3","3","9","5","2","5","1") = "8"
    & skf18("3","3","9","5","2","6","1") = "8"
    & skf18("3","3","9","5","2","7","1") = "8"
    & skf18("3","3","9","5","2","8","1") = "8"
    & skf18("3","3","9","5","2","9","1") = "8"
    & skf18("3","3","9","5","2","10","1") = "9"
    & skf18("3","3","9","5","3","1","1") = "8"
    & skf18("3","3","9","5","3","2","1") = "8"
    & skf18("3","3","9","5","3","3","1") = "8"
    & skf18("3","3","9","5","3","4","1") = "8"
    & skf18("3","3","9","5","3","5","1") = "8"
    & skf18("3","3","9","5","3","6","1") = "8"
    & skf18("3","3","9","5","3","7","1") = "8"
    & skf18("3","3","9","5","3","8","1") = "8"
    & skf18("3","3","9","5","3","9","1") = "8"
    & skf18("3","3","9","5","3","10","1") = "9"
    & skf18("3","3","9","5","4","1","1") = "8"
    & skf18("3","3","9","5","4","2","1") = "8"
    & skf18("3","3","9","5","4","3","1") = "8"
    & skf18("3","3","9","5","4","4","1") = "8"
    & skf18("3","3","9","5","4","5","1") = "8"
    & skf18("3","3","9","5","4","6","1") = "8"
    & skf18("3","3","9","5","4","7","1") = "8"
    & skf18("3","3","9","5","4","8","1") = "8"
    & skf18("3","3","9","5","4","9","1") = "8"
    & skf18("3","3","9","5","4","10","1") = "9"
    & skf18("3","3","9","5","5","1","1") = "8"
    & skf18("3","3","9","5","5","2","1") = "8"
    & skf18("3","3","9","5","5","3","1") = "8"
    & skf18("3","3","9","5","5","4","1") = "8"
    & skf18("3","3","9","5","5","5","1") = "8"
    & skf18("3","3","9","5","5","6","1") = "8"
    & skf18("3","3","9","5","5","7","1") = "8"
    & skf18("3","3","9","5","5","8","1") = "8"
    & skf18("3","3","9","5","5","9","1") = "8"
    & skf18("3","3","9","5","5","10","1") = "9"
    & skf18("3","3","9","5","6","1","1") = "8"
    & skf18("3","3","9","5","6","2","1") = "8"
    & skf18("3","3","9","5","6","3","1") = "8"
    & skf18("3","3","9","5","6","4","1") = "8"
    & skf18("3","3","9","5","6","5","1") = "8"
    & skf18("3","3","9","5","6","6","1") = "8"
    & skf18("3","3","9","5","6","7","1") = "8"
    & skf18("3","3","9","5","6","8","1") = "8"
    & skf18("3","3","9","5","6","9","1") = "8"
    & skf18("3","3","9","5","6","10","1") = "9"
    & skf18("3","3","9","5","7","1","1") = "8"
    & skf18("3","3","9","5","7","2","1") = "8"
    & skf18("3","3","9","5","7","3","1") = "8"
    & skf18("3","3","9","5","7","4","1") = "8"
    & skf18("3","3","9","5","7","5","1") = "8"
    & skf18("3","3","9","5","7","6","1") = "8"
    & skf18("3","3","9","5","7","7","1") = "8"
    & skf18("3","3","9","5","7","8","1") = "8"
    & skf18("3","3","9","5","7","9","1") = "8"
    & skf18("3","3","9","5","7","10","1") = "9"
    & skf18("3","3","9","5","8","1","1") = "8"
    & skf18("3","3","9","5","8","2","1") = "8"
    & skf18("3","3","9","5","8","3","1") = "8"
    & skf18("3","3","9","5","8","4","1") = "8"
    & skf18("3","3","9","5","8","5","1") = "8"
    & skf18("3","3","9","5","8","6","1") = "8"
    & skf18("3","3","9","5","8","7","1") = "8"
    & skf18("3","3","9","5","8","8","1") = "8"
    & skf18("3","3","9","5","8","9","1") = "8"
    & skf18("3","3","9","5","8","10","1") = "9"
    & skf18("3","3","9","5","9","1","1") = "8"
    & skf18("3","3","9","5","9","2","1") = "8"
    & skf18("3","3","9","5","9","3","1") = "8"
    & skf18("3","3","9","5","9","4","1") = "8"
    & skf18("3","3","9","5","9","5","1") = "8"
    & skf18("3","3","9","5","9","6","1") = "8"
    & skf18("3","3","9","5","9","7","1") = "8"
    & skf18("3","3","9","5","9","8","1") = "8"
    & skf18("3","3","9","5","9","9","1") = "8"
    & skf18("3","3","9","5","9","10","1") = "9"
    & skf18("3","3","9","5","10","1","1") = "9"
    & skf18("3","3","9","5","10","2","1") = "9"
    & skf18("3","3","9","5","10","3","1") = "9"
    & skf18("3","3","9","5","10","4","1") = "9"
    & skf18("3","3","9","5","10","5","1") = "9"
    & skf18("3","3","9","5","10","6","1") = "9"
    & skf18("3","3","9","5","10","7","1") = "9"
    & skf18("3","3","9","5","10","8","1") = "9"
    & skf18("3","3","9","5","10","9","1") = "9"
    & skf18("3","3","9","5","10","10","1") = "9"
    & skf18("3","3","9","6","1","1","1") = "8"
    & skf18("3","3","9","6","1","2","1") = "8"
    & skf18("3","3","9","6","1","3","1") = "8"
    & skf18("3","3","9","6","1","4","1") = "8"
    & skf18("3","3","9","6","1","5","1") = "8"
    & skf18("3","3","9","6","1","6","1") = "8"
    & skf18("3","3","9","6","1","7","1") = "8"
    & skf18("3","3","9","6","1","8","1") = "8"
    & skf18("3","3","9","6","1","9","1") = "8"
    & skf18("3","3","9","6","1","10","1") = "9"
    & skf18("3","3","9","6","2","1","1") = "8"
    & skf18("3","3","9","6","2","2","1") = "8"
    & skf18("3","3","9","6","2","3","1") = "8"
    & skf18("3","3","9","6","2","4","1") = "8"
    & skf18("3","3","9","6","2","5","1") = "8"
    & skf18("3","3","9","6","2","6","1") = "8"
    & skf18("3","3","9","6","2","7","1") = "8"
    & skf18("3","3","9","6","2","8","1") = "8"
    & skf18("3","3","9","6","2","9","1") = "8"
    & skf18("3","3","9","6","2","10","1") = "9"
    & skf18("3","3","9","6","3","1","1") = "8"
    & skf18("3","3","9","6","3","2","1") = "8"
    & skf18("3","3","9","6","3","3","1") = "8"
    & skf18("3","3","9","6","3","4","1") = "8"
    & skf18("3","3","9","6","3","5","1") = "8"
    & skf18("3","3","9","6","3","6","1") = "8"
    & skf18("3","3","9","6","3","7","1") = "8"
    & skf18("3","3","9","6","3","8","1") = "8"
    & skf18("3","3","9","6","3","9","1") = "8"
    & skf18("3","3","9","6","3","10","1") = "9"
    & skf18("3","3","9","6","4","1","1") = "8"
    & skf18("3","3","9","6","4","2","1") = "8"
    & skf18("3","3","9","6","4","3","1") = "8"
    & skf18("3","3","9","6","4","4","1") = "8"
    & skf18("3","3","9","6","4","5","1") = "8"
    & skf18("3","3","9","6","4","6","1") = "8"
    & skf18("3","3","9","6","4","7","1") = "8"
    & skf18("3","3","9","6","4","8","1") = "8"
    & skf18("3","3","9","6","4","9","1") = "8"
    & skf18("3","3","9","6","4","10","1") = "9"
    & skf18("3","3","9","6","5","1","1") = "8"
    & skf18("3","3","9","6","5","2","1") = "8"
    & skf18("3","3","9","6","5","3","1") = "8"
    & skf18("3","3","9","6","5","4","1") = "8"
    & skf18("3","3","9","6","5","5","1") = "8"
    & skf18("3","3","9","6","5","6","1") = "8"
    & skf18("3","3","9","6","5","7","1") = "8"
    & skf18("3","3","9","6","5","8","1") = "8"
    & skf18("3","3","9","6","5","9","1") = "8"
    & skf18("3","3","9","6","5","10","1") = "9"
    & skf18("3","3","9","6","6","1","1") = "8"
    & skf18("3","3","9","6","6","2","1") = "8"
    & skf18("3","3","9","6","6","3","1") = "8"
    & skf18("3","3","9","6","6","4","1") = "8"
    & skf18("3","3","9","6","6","5","1") = "8"
    & skf18("3","3","9","6","6","6","1") = "8"
    & skf18("3","3","9","6","6","7","1") = "8"
    & skf18("3","3","9","6","6","8","1") = "8"
    & skf18("3","3","9","6","6","9","1") = "8"
    & skf18("3","3","9","6","6","10","1") = "9"
    & skf18("3","3","9","6","7","1","1") = "8"
    & skf18("3","3","9","6","7","2","1") = "8"
    & skf18("3","3","9","6","7","3","1") = "8"
    & skf18("3","3","9","6","7","4","1") = "8"
    & skf18("3","3","9","6","7","5","1") = "8"
    & skf18("3","3","9","6","7","6","1") = "8"
    & skf18("3","3","9","6","7","7","1") = "8"
    & skf18("3","3","9","6","7","8","1") = "8"
    & skf18("3","3","9","6","7","9","1") = "8"
    & skf18("3","3","9","6","7","10","1") = "9"
    & skf18("3","3","9","6","8","1","1") = "8"
    & skf18("3","3","9","6","8","2","1") = "8"
    & skf18("3","3","9","6","8","3","1") = "8"
    & skf18("3","3","9","6","8","4","1") = "8"
    & skf18("3","3","9","6","8","5","1") = "8"
    & skf18("3","3","9","6","8","6","1") = "8"
    & skf18("3","3","9","6","8","7","1") = "8"
    & skf18("3","3","9","6","8","8","1") = "8"
    & skf18("3","3","9","6","8","9","1") = "8"
    & skf18("3","3","9","6","8","10","1") = "9"
    & skf18("3","3","9","6","9","1","1") = "8"
    & skf18("3","3","9","6","9","2","1") = "8"
    & skf18("3","3","9","6","9","3","1") = "8"
    & skf18("3","3","9","6","9","4","1") = "8"
    & skf18("3","3","9","6","9","5","1") = "8"
    & skf18("3","3","9","6","9","6","1") = "8"
    & skf18("3","3","9","6","9","7","1") = "8"
    & skf18("3","3","9","6","9","8","1") = "8"
    & skf18("3","3","9","6","9","9","1") = "8"
    & skf18("3","3","9","6","9","10","1") = "9"
    & skf18("3","3","9","6","10","1","1") = "9"
    & skf18("3","3","9","6","10","2","1") = "9"
    & skf18("3","3","9","6","10","3","1") = "9"
    & skf18("3","3","9","6","10","4","1") = "9"
    & skf18("3","3","9","6","10","5","1") = "9"
    & skf18("3","3","9","6","10","6","1") = "9"
    & skf18("3","3","9","6","10","7","1") = "9"
    & skf18("3","3","9","6","10","8","1") = "9"
    & skf18("3","3","9","6","10","9","1") = "9"
    & skf18("3","3","9","6","10","10","1") = "9"
    & skf18("3","3","9","7","1","1","1") = "8"
    & skf18("3","3","9","7","1","2","1") = "8"
    & skf18("3","3","9","7","1","3","1") = "8"
    & skf18("3","3","9","7","1","4","1") = "8"
    & skf18("3","3","9","7","1","5","1") = "8"
    & skf18("3","3","9","7","1","6","1") = "8"
    & skf18("3","3","9","7","1","7","1") = "8"
    & skf18("3","3","9","7","1","8","1") = "8"
    & skf18("3","3","9","7","1","9","1") = "8"
    & skf18("3","3","9","7","1","10","1") = "9"
    & skf18("3","3","9","7","2","1","1") = "8"
    & skf18("3","3","9","7","2","2","1") = "8"
    & skf18("3","3","9","7","2","3","1") = "8"
    & skf18("3","3","9","7","2","4","1") = "8"
    & skf18("3","3","9","7","2","5","1") = "8"
    & skf18("3","3","9","7","2","6","1") = "8"
    & skf18("3","3","9","7","2","7","1") = "8"
    & skf18("3","3","9","7","2","8","1") = "8"
    & skf18("3","3","9","7","2","9","1") = "8"
    & skf18("3","3","9","7","2","10","1") = "9"
    & skf18("3","3","9","7","3","1","1") = "8"
    & skf18("3","3","9","7","3","2","1") = "8"
    & skf18("3","3","9","7","3","3","1") = "8"
    & skf18("3","3","9","7","3","4","1") = "8"
    & skf18("3","3","9","7","3","5","1") = "8"
    & skf18("3","3","9","7","3","6","1") = "8"
    & skf18("3","3","9","7","3","7","1") = "8"
    & skf18("3","3","9","7","3","8","1") = "8"
    & skf18("3","3","9","7","3","9","1") = "8"
    & skf18("3","3","9","7","3","10","1") = "9"
    & skf18("3","3","9","7","4","1","1") = "8"
    & skf18("3","3","9","7","4","2","1") = "8"
    & skf18("3","3","9","7","4","3","1") = "8"
    & skf18("3","3","9","7","4","4","1") = "8"
    & skf18("3","3","9","7","4","5","1") = "8"
    & skf18("3","3","9","7","4","6","1") = "8"
    & skf18("3","3","9","7","4","7","1") = "8"
    & skf18("3","3","9","7","4","8","1") = "8"
    & skf18("3","3","9","7","4","9","1") = "8"
    & skf18("3","3","9","7","4","10","1") = "9"
    & skf18("3","3","9","7","5","1","1") = "8"
    & skf18("3","3","9","7","5","2","1") = "8"
    & skf18("3","3","9","7","5","3","1") = "8"
    & skf18("3","3","9","7","5","4","1") = "8"
    & skf18("3","3","9","7","5","5","1") = "8"
    & skf18("3","3","9","7","5","6","1") = "8"
    & skf18("3","3","9","7","5","7","1") = "8"
    & skf18("3","3","9","7","5","8","1") = "8"
    & skf18("3","3","9","7","5","9","1") = "8"
    & skf18("3","3","9","7","5","10","1") = "9"
    & skf18("3","3","9","7","6","1","1") = "8"
    & skf18("3","3","9","7","6","2","1") = "8"
    & skf18("3","3","9","7","6","3","1") = "8"
    & skf18("3","3","9","7","6","4","1") = "8"
    & skf18("3","3","9","7","6","5","1") = "8"
    & skf18("3","3","9","7","6","6","1") = "8"
    & skf18("3","3","9","7","6","7","1") = "8"
    & skf18("3","3","9","7","6","8","1") = "8"
    & skf18("3","3","9","7","6","9","1") = "8"
    & skf18("3","3","9","7","6","10","1") = "9"
    & skf18("3","3","9","7","7","1","1") = "8"
    & skf18("3","3","9","7","7","2","1") = "8"
    & skf18("3","3","9","7","7","3","1") = "8"
    & skf18("3","3","9","7","7","4","1") = "8"
    & skf18("3","3","9","7","7","5","1") = "8"
    & skf18("3","3","9","7","7","6","1") = "8"
    & skf18("3","3","9","7","7","7","1") = "8"
    & skf18("3","3","9","7","7","8","1") = "8"
    & skf18("3","3","9","7","7","9","1") = "8"
    & skf18("3","3","9","7","7","10","1") = "9"
    & skf18("3","3","9","7","8","1","1") = "8"
    & skf18("3","3","9","7","8","2","1") = "8"
    & skf18("3","3","9","7","8","3","1") = "8"
    & skf18("3","3","9","7","8","4","1") = "8"
    & skf18("3","3","9","7","8","5","1") = "8"
    & skf18("3","3","9","7","8","6","1") = "8"
    & skf18("3","3","9","7","8","7","1") = "8"
    & skf18("3","3","9","7","8","8","1") = "8"
    & skf18("3","3","9","7","8","9","1") = "8"
    & skf18("3","3","9","7","8","10","1") = "9"
    & skf18("3","3","9","7","9","1","1") = "8"
    & skf18("3","3","9","7","9","2","1") = "8"
    & skf18("3","3","9","7","9","3","1") = "8"
    & skf18("3","3","9","7","9","4","1") = "8"
    & skf18("3","3","9","7","9","5","1") = "8"
    & skf18("3","3","9","7","9","6","1") = "8"
    & skf18("3","3","9","7","9","7","1") = "8"
    & skf18("3","3","9","7","9","8","1") = "8"
    & skf18("3","3","9","7","9","9","1") = "8"
    & skf18("3","3","9","7","9","10","1") = "9"
    & skf18("3","3","9","7","10","1","1") = "9"
    & skf18("3","3","9","7","10","2","1") = "9"
    & skf18("3","3","9","7","10","3","1") = "9"
    & skf18("3","3","9","7","10","4","1") = "9"
    & skf18("3","3","9","7","10","5","1") = "9"
    & skf18("3","3","9","7","10","6","1") = "9"
    & skf18("3","3","9","7","10","7","1") = "9"
    & skf18("3","3","9","7","10","8","1") = "9"
    & skf18("3","3","9","7","10","9","1") = "9"
    & skf18("3","3","9","7","10","10","1") = "9"
    & skf18("3","3","9","8","1","1","1") = "8"
    & skf18("3","3","9","8","1","2","1") = "8"
    & skf18("3","3","9","8","1","3","1") = "8"
    & skf18("3","3","9","8","1","4","1") = "8"
    & skf18("3","3","9","8","1","5","1") = "8"
    & skf18("3","3","9","8","1","6","1") = "8"
    & skf18("3","3","9","8","1","7","1") = "8"
    & skf18("3","3","9","8","1","8","1") = "8"
    & skf18("3","3","9","8","1","9","1") = "8"
    & skf18("3","3","9","8","1","10","1") = "9"
    & skf18("3","3","9","8","2","1","1") = "8"
    & skf18("3","3","9","8","2","2","1") = "8"
    & skf18("3","3","9","8","2","3","1") = "8"
    & skf18("3","3","9","8","2","4","1") = "8"
    & skf18("3","3","9","8","2","5","1") = "8"
    & skf18("3","3","9","8","2","6","1") = "8"
    & skf18("3","3","9","8","2","7","1") = "8"
    & skf18("3","3","9","8","2","8","1") = "8"
    & skf18("3","3","9","8","2","9","1") = "8"
    & skf18("3","3","9","8","2","10","1") = "9"
    & skf18("3","3","9","8","3","1","1") = "8"
    & skf18("3","3","9","8","3","2","1") = "8"
    & skf18("3","3","9","8","3","3","1") = "8"
    & skf18("3","3","9","8","3","4","1") = "8"
    & skf18("3","3","9","8","3","5","1") = "8"
    & skf18("3","3","9","8","3","6","1") = "8"
    & skf18("3","3","9","8","3","7","1") = "8"
    & skf18("3","3","9","8","3","8","1") = "8"
    & skf18("3","3","9","8","3","9","1") = "8"
    & skf18("3","3","9","8","3","10","1") = "9"
    & skf18("3","3","9","8","4","1","1") = "8"
    & skf18("3","3","9","8","4","2","1") = "8"
    & skf18("3","3","9","8","4","3","1") = "8"
    & skf18("3","3","9","8","4","4","1") = "8"
    & skf18("3","3","9","8","4","5","1") = "8"
    & skf18("3","3","9","8","4","6","1") = "8"
    & skf18("3","3","9","8","4","7","1") = "8"
    & skf18("3","3","9","8","4","8","1") = "8"
    & skf18("3","3","9","8","4","9","1") = "8"
    & skf18("3","3","9","8","4","10","1") = "9"
    & skf18("3","3","9","8","5","1","1") = "8"
    & skf18("3","3","9","8","5","2","1") = "8"
    & skf18("3","3","9","8","5","3","1") = "8"
    & skf18("3","3","9","8","5","4","1") = "8"
    & skf18("3","3","9","8","5","5","1") = "8"
    & skf18("3","3","9","8","5","6","1") = "8"
    & skf18("3","3","9","8","5","7","1") = "8"
    & skf18("3","3","9","8","5","8","1") = "8"
    & skf18("3","3","9","8","5","9","1") = "8"
    & skf18("3","3","9","8","5","10","1") = "9"
    & skf18("3","3","9","8","6","1","1") = "8"
    & skf18("3","3","9","8","6","2","1") = "8"
    & skf18("3","3","9","8","6","3","1") = "8"
    & skf18("3","3","9","8","6","4","1") = "8"
    & skf18("3","3","9","8","6","5","1") = "8"
    & skf18("3","3","9","8","6","6","1") = "8"
    & skf18("3","3","9","8","6","7","1") = "8"
    & skf18("3","3","9","8","6","8","1") = "8"
    & skf18("3","3","9","8","6","9","1") = "8"
    & skf18("3","3","9","8","6","10","1") = "9"
    & skf18("3","3","9","8","7","1","1") = "8"
    & skf18("3","3","9","8","7","2","1") = "8"
    & skf18("3","3","9","8","7","3","1") = "8"
    & skf18("3","3","9","8","7","4","1") = "8"
    & skf18("3","3","9","8","7","5","1") = "8"
    & skf18("3","3","9","8","7","6","1") = "8"
    & skf18("3","3","9","8","7","7","1") = "8"
    & skf18("3","3","9","8","7","8","1") = "8"
    & skf18("3","3","9","8","7","9","1") = "8"
    & skf18("3","3","9","8","7","10","1") = "9"
    & skf18("3","3","9","8","8","1","1") = "8"
    & skf18("3","3","9","8","8","2","1") = "8"
    & skf18("3","3","9","8","8","3","1") = "8"
    & skf18("3","3","9","8","8","4","1") = "8"
    & skf18("3","3","9","8","8","5","1") = "8"
    & skf18("3","3","9","8","8","6","1") = "8"
    & skf18("3","3","9","8","8","7","1") = "8"
    & skf18("3","3","9","8","8","8","1") = "8"
    & skf18("3","3","9","8","8","9","1") = "8"
    & skf18("3","3","9","8","8","10","1") = "9"
    & skf18("3","3","9","8","9","1","1") = "8"
    & skf18("3","3","9","8","9","2","1") = "8"
    & skf18("3","3","9","8","9","3","1") = "8"
    & skf18("3","3","9","8","9","4","1") = "8"
    & skf18("3","3","9","8","9","5","1") = "8"
    & skf18("3","3","9","8","9","6","1") = "8"
    & skf18("3","3","9","8","9","7","1") = "8"
    & skf18("3","3","9","8","9","8","1") = "8"
    & skf18("3","3","9","8","9","9","1") = "8"
    & skf18("3","3","9","8","9","10","1") = "9"
    & skf18("3","3","9","8","10","1","1") = "9"
    & skf18("3","3","9","8","10","2","1") = "9"
    & skf18("3","3","9","8","10","3","1") = "9"
    & skf18("3","3","9","8","10","4","1") = "9"
    & skf18("3","3","9","8","10","5","1") = "9"
    & skf18("3","3","9","8","10","6","1") = "9"
    & skf18("3","3","9","8","10","7","1") = "9"
    & skf18("3","3","9","8","10","8","1") = "9"
    & skf18("3","3","9","8","10","9","1") = "9"
    & skf18("3","3","9","8","10","10","1") = "9"
    & skf18("3","3","9","9","1","1","1") = "8"
    & skf18("3","3","9","9","1","2","1") = "8"
    & skf18("3","3","9","9","1","3","1") = "8"
    & skf18("3","3","9","9","1","4","1") = "8"
    & skf18("3","3","9","9","1","5","1") = "8"
    & skf18("3","3","9","9","1","6","1") = "8"
    & skf18("3","3","9","9","1","7","1") = "8"
    & skf18("3","3","9","9","1","8","1") = "8"
    & skf18("3","3","9","9","1","9","1") = "8"
    & skf18("3","3","9","9","1","10","1") = "9"
    & skf18("3","3","9","9","2","1","1") = "8"
    & skf18("3","3","9","9","2","2","1") = "8"
    & skf18("3","3","9","9","2","3","1") = "8"
    & skf18("3","3","9","9","2","4","1") = "8"
    & skf18("3","3","9","9","2","5","1") = "8"
    & skf18("3","3","9","9","2","6","1") = "8"
    & skf18("3","3","9","9","2","7","1") = "8"
    & skf18("3","3","9","9","2","8","1") = "8"
    & skf18("3","3","9","9","2","9","1") = "8"
    & skf18("3","3","9","9","2","10","1") = "9"
    & skf18("3","3","9","9","3","1","1") = "8"
    & skf18("3","3","9","9","3","2","1") = "8"
    & skf18("3","3","9","9","3","3","1") = "8"
    & skf18("3","3","9","9","3","4","1") = "8"
    & skf18("3","3","9","9","3","5","1") = "8"
    & skf18("3","3","9","9","3","6","1") = "8"
    & skf18("3","3","9","9","3","7","1") = "8"
    & skf18("3","3","9","9","3","8","1") = "8"
    & skf18("3","3","9","9","3","9","1") = "8"
    & skf18("3","3","9","9","3","10","1") = "9"
    & skf18("3","3","9","9","4","1","1") = "8"
    & skf18("3","3","9","9","4","2","1") = "8"
    & skf18("3","3","9","9","4","3","1") = "8"
    & skf18("3","3","9","9","4","4","1") = "8"
    & skf18("3","3","9","9","4","5","1") = "8"
    & skf18("3","3","9","9","4","6","1") = "8"
    & skf18("3","3","9","9","4","7","1") = "8"
    & skf18("3","3","9","9","4","8","1") = "8"
    & skf18("3","3","9","9","4","9","1") = "8"
    & skf18("3","3","9","9","4","10","1") = "9"
    & skf18("3","3","9","9","5","1","1") = "8"
    & skf18("3","3","9","9","5","2","1") = "8"
    & skf18("3","3","9","9","5","3","1") = "8"
    & skf18("3","3","9","9","5","4","1") = "8"
    & skf18("3","3","9","9","5","5","1") = "8"
    & skf18("3","3","9","9","5","6","1") = "8"
    & skf18("3","3","9","9","5","7","1") = "8"
    & skf18("3","3","9","9","5","8","1") = "8"
    & skf18("3","3","9","9","5","9","1") = "8"
    & skf18("3","3","9","9","5","10","1") = "9"
    & skf18("3","3","9","9","6","1","1") = "8"
    & skf18("3","3","9","9","6","2","1") = "8"
    & skf18("3","3","9","9","6","3","1") = "8"
    & skf18("3","3","9","9","6","4","1") = "8"
    & skf18("3","3","9","9","6","5","1") = "8"
    & skf18("3","3","9","9","6","6","1") = "8"
    & skf18("3","3","9","9","6","7","1") = "8"
    & skf18("3","3","9","9","6","8","1") = "8"
    & skf18("3","3","9","9","6","9","1") = "8"
    & skf18("3","3","9","9","6","10","1") = "9"
    & skf18("3","3","9","9","7","1","1") = "8"
    & skf18("3","3","9","9","7","2","1") = "8"
    & skf18("3","3","9","9","7","3","1") = "8"
    & skf18("3","3","9","9","7","4","1") = "8"
    & skf18("3","3","9","9","7","5","1") = "8"
    & skf18("3","3","9","9","7","6","1") = "8"
    & skf18("3","3","9","9","7","7","1") = "8"
    & skf18("3","3","9","9","7","8","1") = "8"
    & skf18("3","3","9","9","7","9","1") = "8"
    & skf18("3","3","9","9","7","10","1") = "9"
    & skf18("3","3","9","9","8","1","1") = "8"
    & skf18("3","3","9","9","8","2","1") = "8"
    & skf18("3","3","9","9","8","3","1") = "8"
    & skf18("3","3","9","9","8","4","1") = "8"
    & skf18("3","3","9","9","8","5","1") = "8"
    & skf18("3","3","9","9","8","6","1") = "8"
    & skf18("3","3","9","9","8","7","1") = "8"
    & skf18("3","3","9","9","8","8","1") = "8"
    & skf18("3","3","9","9","8","9","1") = "8"
    & skf18("3","3","9","9","8","10","1") = "9"
    & skf18("3","3","9","9","9","1","1") = "8"
    & skf18("3","3","9","9","9","2","1") = "8"
    & skf18("3","3","9","9","9","3","1") = "8"
    & skf18("3","3","9","9","9","4","1") = "8"
    & skf18("3","3","9","9","9","5","1") = "8"
    & skf18("3","3","9","9","9","6","1") = "8"
    & skf18("3","3","9","9","9","7","1") = "8"
    & skf18("3","3","9","9","9","8","1") = "8"
    & skf18("3","3","9","9","9","9","1") = "8"
    & skf18("3","3","9","9","9","10","1") = "9"
    & skf18("3","3","9","9","10","1","1") = "9"
    & skf18("3","3","9","9","10","2","1") = "9"
    & skf18("3","3","9","9","10","3","1") = "9"
    & skf18("3","3","9","9","10","4","1") = "9"
    & skf18("3","3","9","9","10","5","1") = "9"
    & skf18("3","3","9","9","10","6","1") = "9"
    & skf18("3","3","9","9","10","7","1") = "9"
    & skf18("3","3","9","9","10","8","1") = "9"
    & skf18("3","3","9","9","10","9","1") = "9"
    & skf18("3","3","9","9","10","10","1") = "9"
    & skf18("3","3","9","10","1","1","1") = "9"
    & skf18("3","3","9","10","1","2","1") = "9"
    & skf18("3","3","9","10","1","3","1") = "9"
    & skf18("3","3","9","10","1","4","1") = "9"
    & skf18("3","3","9","10","1","5","1") = "9"
    & skf18("3","3","9","10","1","6","1") = "9"
    & skf18("3","3","9","10","1","7","1") = "9"
    & skf18("3","3","9","10","1","8","1") = "9"
    & skf18("3","3","9","10","1","9","1") = "9"
    & skf18("3","3","9","10","1","10","1") = "9"
    & skf18("3","3","9","10","2","1","1") = "9"
    & skf18("3","3","9","10","2","2","1") = "9"
    & skf18("3","3","9","10","2","3","1") = "9"
    & skf18("3","3","9","10","2","4","1") = "9"
    & skf18("3","3","9","10","2","5","1") = "9"
    & skf18("3","3","9","10","2","6","1") = "9"
    & skf18("3","3","9","10","2","7","1") = "9"
    & skf18("3","3","9","10","2","8","1") = "9"
    & skf18("3","3","9","10","2","9","1") = "9"
    & skf18("3","3","9","10","2","10","1") = "9"
    & skf18("3","3","9","10","3","1","1") = "9"
    & skf18("3","3","9","10","3","2","1") = "9"
    & skf18("3","3","9","10","3","3","1") = "9"
    & skf18("3","3","9","10","3","4","1") = "9"
    & skf18("3","3","9","10","3","5","1") = "9"
    & skf18("3","3","9","10","3","6","1") = "9"
    & skf18("3","3","9","10","3","7","1") = "9"
    & skf18("3","3","9","10","3","8","1") = "9"
    & skf18("3","3","9","10","3","9","1") = "9"
    & skf18("3","3","9","10","3","10","1") = "9"
    & skf18("3","3","9","10","4","1","1") = "9"
    & skf18("3","3","9","10","4","2","1") = "9"
    & skf18("3","3","9","10","4","3","1") = "9"
    & skf18("3","3","9","10","4","4","1") = "9"
    & skf18("3","3","9","10","4","5","1") = "9"
    & skf18("3","3","9","10","4","6","1") = "9"
    & skf18("3","3","9","10","4","7","1") = "9"
    & skf18("3","3","9","10","4","8","1") = "9"
    & skf18("3","3","9","10","4","9","1") = "9"
    & skf18("3","3","9","10","4","10","1") = "9"
    & skf18("3","3","9","10","5","1","1") = "9"
    & skf18("3","3","9","10","5","2","1") = "9"
    & skf18("3","3","9","10","5","3","1") = "9"
    & skf18("3","3","9","10","5","4","1") = "9"
    & skf18("3","3","9","10","5","5","1") = "9"
    & skf18("3","3","9","10","5","6","1") = "9"
    & skf18("3","3","9","10","5","7","1") = "9"
    & skf18("3","3","9","10","5","8","1") = "9"
    & skf18("3","3","9","10","5","9","1") = "9"
    & skf18("3","3","9","10","5","10","1") = "9"
    & skf18("3","3","9","10","6","1","1") = "9"
    & skf18("3","3","9","10","6","2","1") = "9"
    & skf18("3","3","9","10","6","3","1") = "9"
    & skf18("3","3","9","10","6","4","1") = "9"
    & skf18("3","3","9","10","6","5","1") = "9"
    & skf18("3","3","9","10","6","6","1") = "9"
    & skf18("3","3","9","10","6","7","1") = "9"
    & skf18("3","3","9","10","6","8","1") = "9"
    & skf18("3","3","9","10","6","9","1") = "9"
    & skf18("3","3","9","10","6","10","1") = "9"
    & skf18("3","3","9","10","7","1","1") = "9"
    & skf18("3","3","9","10","7","2","1") = "9"
    & skf18("3","3","9","10","7","3","1") = "9"
    & skf18("3","3","9","10","7","4","1") = "9"
    & skf18("3","3","9","10","7","5","1") = "9"
    & skf18("3","3","9","10","7","6","1") = "9"
    & skf18("3","3","9","10","7","7","1") = "9"
    & skf18("3","3","9","10","7","8","1") = "9"
    & skf18("3","3","9","10","7","9","1") = "9"
    & skf18("3","3","9","10","7","10","1") = "9"
    & skf18("3","3","9","10","8","1","1") = "9"
    & skf18("3","3","9","10","8","2","1") = "9"
    & skf18("3","3","9","10","8","3","1") = "9"
    & skf18("3","3","9","10","8","4","1") = "9"
    & skf18("3","3","9","10","8","5","1") = "9"
    & skf18("3","3","9","10","8","6","1") = "9"
    & skf18("3","3","9","10","8","7","1") = "9"
    & skf18("3","3","9","10","8","8","1") = "9"
    & skf18("3","3","9","10","8","9","1") = "9"
    & skf18("3","3","9","10","8","10","1") = "9"
    & skf18("3","3","9","10","9","1","1") = "9"
    & skf18("3","3","9","10","9","2","1") = "9"
    & skf18("3","3","9","10","9","3","1") = "9"
    & skf18("3","3","9","10","9","4","1") = "9"
    & skf18("3","3","9","10","9","5","1") = "9"
    & skf18("3","3","9","10","9","6","1") = "9"
    & skf18("3","3","9","10","9","7","1") = "9"
    & skf18("3","3","9","10","9","8","1") = "9"
    & skf18("3","3","9","10","9","9","1") = "9"
    & skf18("3","3","9","10","9","10","1") = "9"
    & skf18("3","3","9","10","10","1","1") = "9"
    & skf18("3","3","9","10","10","2","1") = "9"
    & skf18("3","3","9","10","10","3","1") = "9"
    & skf18("3","3","9","10","10","4","1") = "9"
    & skf18("3","3","9","10","10","5","1") = "9"
    & skf18("3","3","9","10","10","6","1") = "9"
    & skf18("3","3","9","10","10","7","1") = "9"
    & skf18("3","3","9","10","10","8","1") = "9"
    & skf18("3","3","9","10","10","9","1") = "9"
    & skf18("3","3","9","10","10","10","1") = "9"
    & skf18("3","3","10","1","1","1","1") = "9"
    & skf18("3","3","10","1","1","2","1") = "9"
    & skf18("3","3","10","1","1","3","1") = "9"
    & skf18("3","3","10","1","1","4","1") = "9"
    & skf18("3","3","10","1","1","5","1") = "9"
    & skf18("3","3","10","1","1","6","1") = "9"
    & skf18("3","3","10","1","1","7","1") = "9"
    & skf18("3","3","10","1","1","8","1") = "9"
    & skf18("3","3","10","1","1","9","1") = "9"
    & skf18("3","3","10","1","1","10","1") = "9"
    & skf18("3","3","10","1","2","1","1") = "9"
    & skf18("3","3","10","1","2","2","1") = "9"
    & skf18("3","3","10","1","2","3","1") = "9"
    & skf18("3","3","10","1","2","4","1") = "9"
    & skf18("3","3","10","1","2","5","1") = "9"
    & skf18("3","3","10","1","2","6","1") = "9"
    & skf18("3","3","10","1","2","7","1") = "9"
    & skf18("3","3","10","1","2","8","1") = "9"
    & skf18("3","3","10","1","2","9","1") = "9"
    & skf18("3","3","10","1","2","10","1") = "9"
    & skf18("3","3","10","1","3","1","1") = "9"
    & skf18("3","3","10","1","3","2","1") = "9"
    & skf18("3","3","10","1","3","3","1") = "9"
    & skf18("3","3","10","1","3","4","1") = "9"
    & skf18("3","3","10","1","3","5","1") = "9"
    & skf18("3","3","10","1","3","6","1") = "9"
    & skf18("3","3","10","1","3","7","1") = "9"
    & skf18("3","3","10","1","3","8","1") = "9"
    & skf18("3","3","10","1","3","9","1") = "9"
    & skf18("3","3","10","1","3","10","1") = "9"
    & skf18("3","3","10","1","4","1","1") = "9"
    & skf18("3","3","10","1","4","2","1") = "9"
    & skf18("3","3","10","1","4","3","1") = "9"
    & skf18("3","3","10","1","4","4","1") = "9"
    & skf18("3","3","10","1","4","5","1") = "9"
    & skf18("3","3","10","1","4","6","1") = "9"
    & skf18("3","3","10","1","4","7","1") = "9"
    & skf18("3","3","10","1","4","8","1") = "9"
    & skf18("3","3","10","1","4","9","1") = "9"
    & skf18("3","3","10","1","4","10","1") = "9"
    & skf18("3","3","10","1","5","1","1") = "9"
    & skf18("3","3","10","1","5","2","1") = "9"
    & skf18("3","3","10","1","5","3","1") = "9"
    & skf18("3","3","10","1","5","4","1") = "9"
    & skf18("3","3","10","1","5","5","1") = "9"
    & skf18("3","3","10","1","5","6","1") = "9"
    & skf18("3","3","10","1","5","7","1") = "9"
    & skf18("3","3","10","1","5","8","1") = "9"
    & skf18("3","3","10","1","5","9","1") = "9"
    & skf18("3","3","10","1","5","10","1") = "9"
    & skf18("3","3","10","1","6","1","1") = "9"
    & skf18("3","3","10","1","6","2","1") = "9"
    & skf18("3","3","10","1","6","3","1") = "9"
    & skf18("3","3","10","1","6","4","1") = "9"
    & skf18("3","3","10","1","6","5","1") = "9"
    & skf18("3","3","10","1","6","6","1") = "9"
    & skf18("3","3","10","1","6","7","1") = "9"
    & skf18("3","3","10","1","6","8","1") = "9"
    & skf18("3","3","10","1","6","9","1") = "9"
    & skf18("3","3","10","1","6","10","1") = "9"
    & skf18("3","3","10","1","7","1","1") = "9"
    & skf18("3","3","10","1","7","2","1") = "9"
    & skf18("3","3","10","1","7","3","1") = "9"
    & skf18("3","3","10","1","7","4","1") = "9"
    & skf18("3","3","10","1","7","5","1") = "9"
    & skf18("3","3","10","1","7","6","1") = "9"
    & skf18("3","3","10","1","7","7","1") = "9"
    & skf18("3","3","10","1","7","8","1") = "9"
    & skf18("3","3","10","1","7","9","1") = "9"
    & skf18("3","3","10","1","7","10","1") = "9"
    & skf18("3","3","10","1","8","1","1") = "9"
    & skf18("3","3","10","1","8","2","1") = "9"
    & skf18("3","3","10","1","8","3","1") = "9"
    & skf18("3","3","10","1","8","4","1") = "9"
    & skf18("3","3","10","1","8","5","1") = "9"
    & skf18("3","3","10","1","8","6","1") = "9"
    & skf18("3","3","10","1","8","7","1") = "9"
    & skf18("3","3","10","1","8","8","1") = "9"
    & skf18("3","3","10","1","8","9","1") = "9"
    & skf18("3","3","10","1","8","10","1") = "9"
    & skf18("3","3","10","1","9","1","1") = "9"
    & skf18("3","3","10","1","9","2","1") = "9"
    & skf18("3","3","10","1","9","3","1") = "9"
    & skf18("3","3","10","1","9","4","1") = "9"
    & skf18("3","3","10","1","9","5","1") = "9"
    & skf18("3","3","10","1","9","6","1") = "9"
    & skf18("3","3","10","1","9","7","1") = "9"
    & skf18("3","3","10","1","9","8","1") = "9"
    & skf18("3","3","10","1","9","9","1") = "9"
    & skf18("3","3","10","1","9","10","1") = "9"
    & skf18("3","3","10","1","10","1","1") = "9"
    & skf18("3","3","10","1","10","2","1") = "9"
    & skf18("3","3","10","1","10","3","1") = "9"
    & skf18("3","3","10","1","10","4","1") = "9"
    & skf18("3","3","10","1","10","5","1") = "9"
    & skf18("3","3","10","1","10","6","1") = "9"
    & skf18("3","3","10","1","10","7","1") = "9"
    & skf18("3","3","10","1","10","8","1") = "9"
    & skf18("3","3","10","1","10","9","1") = "9"
    & skf18("3","3","10","1","10","10","1") = "9"
    & skf18("3","3","10","2","1","1","1") = "9"
    & skf18("3","3","10","2","1","2","1") = "9"
    & skf18("3","3","10","2","1","3","1") = "9"
    & skf18("3","3","10","2","1","4","1") = "9"
    & skf18("3","3","10","2","1","5","1") = "9"
    & skf18("3","3","10","2","1","6","1") = "9"
    & skf18("3","3","10","2","1","7","1") = "9"
    & skf18("3","3","10","2","1","8","1") = "9"
    & skf18("3","3","10","2","1","9","1") = "9"
    & skf18("3","3","10","2","1","10","1") = "9"
    & skf18("3","3","10","2","2","1","1") = "9"
    & skf18("3","3","10","2","2","2","1") = "9"
    & skf18("3","3","10","2","2","3","1") = "9"
    & skf18("3","3","10","2","2","4","1") = "9"
    & skf18("3","3","10","2","2","5","1") = "9"
    & skf18("3","3","10","2","2","6","1") = "9"
    & skf18("3","3","10","2","2","7","1") = "9"
    & skf18("3","3","10","2","2","8","1") = "9"
    & skf18("3","3","10","2","2","9","1") = "9"
    & skf18("3","3","10","2","2","10","1") = "9"
    & skf18("3","3","10","2","3","1","1") = "9"
    & skf18("3","3","10","2","3","2","1") = "9"
    & skf18("3","3","10","2","3","3","1") = "9"
    & skf18("3","3","10","2","3","4","1") = "9"
    & skf18("3","3","10","2","3","5","1") = "9"
    & skf18("3","3","10","2","3","6","1") = "9"
    & skf18("3","3","10","2","3","7","1") = "9"
    & skf18("3","3","10","2","3","8","1") = "9"
    & skf18("3","3","10","2","3","9","1") = "9"
    & skf18("3","3","10","2","3","10","1") = "9"
    & skf18("3","3","10","2","4","1","1") = "9"
    & skf18("3","3","10","2","4","2","1") = "9"
    & skf18("3","3","10","2","4","3","1") = "9"
    & skf18("3","3","10","2","4","4","1") = "9"
    & skf18("3","3","10","2","4","5","1") = "9"
    & skf18("3","3","10","2","4","6","1") = "9"
    & skf18("3","3","10","2","4","7","1") = "9"
    & skf18("3","3","10","2","4","8","1") = "9"
    & skf18("3","3","10","2","4","9","1") = "9"
    & skf18("3","3","10","2","4","10","1") = "9"
    & skf18("3","3","10","2","5","1","1") = "9"
    & skf18("3","3","10","2","5","2","1") = "9"
    & skf18("3","3","10","2","5","3","1") = "9"
    & skf18("3","3","10","2","5","4","1") = "9"
    & skf18("3","3","10","2","5","5","1") = "9"
    & skf18("3","3","10","2","5","6","1") = "9"
    & skf18("3","3","10","2","5","7","1") = "9"
    & skf18("3","3","10","2","5","8","1") = "9"
    & skf18("3","3","10","2","5","9","1") = "9"
    & skf18("3","3","10","2","5","10","1") = "9"
    & skf18("3","3","10","2","6","1","1") = "9"
    & skf18("3","3","10","2","6","2","1") = "9"
    & skf18("3","3","10","2","6","3","1") = "9"
    & skf18("3","3","10","2","6","4","1") = "9"
    & skf18("3","3","10","2","6","5","1") = "9"
    & skf18("3","3","10","2","6","6","1") = "9"
    & skf18("3","3","10","2","6","7","1") = "9"
    & skf18("3","3","10","2","6","8","1") = "9"
    & skf18("3","3","10","2","6","9","1") = "9"
    & skf18("3","3","10","2","6","10","1") = "9"
    & skf18("3","3","10","2","7","1","1") = "9"
    & skf18("3","3","10","2","7","2","1") = "9"
    & skf18("3","3","10","2","7","3","1") = "9"
    & skf18("3","3","10","2","7","4","1") = "9"
    & skf18("3","3","10","2","7","5","1") = "9"
    & skf18("3","3","10","2","7","6","1") = "9"
    & skf18("3","3","10","2","7","7","1") = "9"
    & skf18("3","3","10","2","7","8","1") = "9"
    & skf18("3","3","10","2","7","9","1") = "9"
    & skf18("3","3","10","2","7","10","1") = "9"
    & skf18("3","3","10","2","8","1","1") = "9"
    & skf18("3","3","10","2","8","2","1") = "9"
    & skf18("3","3","10","2","8","3","1") = "9"
    & skf18("3","3","10","2","8","4","1") = "9"
    & skf18("3","3","10","2","8","5","1") = "9"
    & skf18("3","3","10","2","8","6","1") = "9"
    & skf18("3","3","10","2","8","7","1") = "9"
    & skf18("3","3","10","2","8","8","1") = "9"
    & skf18("3","3","10","2","8","9","1") = "9"
    & skf18("3","3","10","2","8","10","1") = "9"
    & skf18("3","3","10","2","9","1","1") = "9"
    & skf18("3","3","10","2","9","2","1") = "9"
    & skf18("3","3","10","2","9","3","1") = "9"
    & skf18("3","3","10","2","9","4","1") = "9"
    & skf18("3","3","10","2","9","5","1") = "9"
    & skf18("3","3","10","2","9","6","1") = "9"
    & skf18("3","3","10","2","9","7","1") = "9"
    & skf18("3","3","10","2","9","8","1") = "9"
    & skf18("3","3","10","2","9","9","1") = "9"
    & skf18("3","3","10","2","9","10","1") = "9"
    & skf18("3","3","10","2","10","1","1") = "9"
    & skf18("3","3","10","2","10","2","1") = "9"
    & skf18("3","3","10","2","10","3","1") = "9"
    & skf18("3","3","10","2","10","4","1") = "9"
    & skf18("3","3","10","2","10","5","1") = "9"
    & skf18("3","3","10","2","10","6","1") = "9"
    & skf18("3","3","10","2","10","7","1") = "9"
    & skf18("3","3","10","2","10","8","1") = "9"
    & skf18("3","3","10","2","10","9","1") = "9"
    & skf18("3","3","10","2","10","10","1") = "9"
    & skf18("3","3","10","3","1","1","1") = "9"
    & skf18("3","3","10","3","1","2","1") = "9"
    & skf18("3","3","10","3","1","3","1") = "9"
    & skf18("3","3","10","3","1","4","1") = "9"
    & skf18("3","3","10","3","1","5","1") = "9"
    & skf18("3","3","10","3","1","6","1") = "9"
    & skf18("3","3","10","3","1","7","1") = "9"
    & skf18("3","3","10","3","1","8","1") = "9"
    & skf18("3","3","10","3","1","9","1") = "9"
    & skf18("3","3","10","3","1","10","1") = "9"
    & skf18("3","3","10","3","2","1","1") = "9"
    & skf18("3","3","10","3","2","2","1") = "9"
    & skf18("3","3","10","3","2","3","1") = "9"
    & skf18("3","3","10","3","2","4","1") = "9"
    & skf18("3","3","10","3","2","5","1") = "9"
    & skf18("3","3","10","3","2","6","1") = "9"
    & skf18("3","3","10","3","2","7","1") = "9"
    & skf18("3","3","10","3","2","8","1") = "9"
    & skf18("3","3","10","3","2","9","1") = "9"
    & skf18("3","3","10","3","2","10","1") = "9"
    & skf18("3","3","10","3","3","1","1") = "9"
    & skf18("3","3","10","3","3","2","1") = "9"
    & skf18("3","3","10","3","3","3","1") = "9"
    & skf18("3","3","10","3","3","4","1") = "9"
    & skf18("3","3","10","3","3","5","1") = "9"
    & skf18("3","3","10","3","3","6","1") = "9"
    & skf18("3","3","10","3","3","7","1") = "9"
    & skf18("3","3","10","3","3","8","1") = "9"
    & skf18("3","3","10","3","3","9","1") = "9"
    & skf18("3","3","10","3","3","10","1") = "9"
    & skf18("3","3","10","3","4","1","1") = "9"
    & skf18("3","3","10","3","4","2","1") = "9"
    & skf18("3","3","10","3","4","3","1") = "9"
    & skf18("3","3","10","3","4","4","1") = "9"
    & skf18("3","3","10","3","4","5","1") = "9"
    & skf18("3","3","10","3","4","6","1") = "9"
    & skf18("3","3","10","3","4","7","1") = "9"
    & skf18("3","3","10","3","4","8","1") = "9"
    & skf18("3","3","10","3","4","9","1") = "9"
    & skf18("3","3","10","3","4","10","1") = "9"
    & skf18("3","3","10","3","5","1","1") = "9"
    & skf18("3","3","10","3","5","2","1") = "9"
    & skf18("3","3","10","3","5","3","1") = "9"
    & skf18("3","3","10","3","5","4","1") = "9"
    & skf18("3","3","10","3","5","5","1") = "9"
    & skf18("3","3","10","3","5","6","1") = "9"
    & skf18("3","3","10","3","5","7","1") = "9"
    & skf18("3","3","10","3","5","8","1") = "9"
    & skf18("3","3","10","3","5","9","1") = "9"
    & skf18("3","3","10","3","5","10","1") = "9"
    & skf18("3","3","10","3","6","1","1") = "9"
    & skf18("3","3","10","3","6","2","1") = "9"
    & skf18("3","3","10","3","6","3","1") = "9"
    & skf18("3","3","10","3","6","4","1") = "9"
    & skf18("3","3","10","3","6","5","1") = "9"
    & skf18("3","3","10","3","6","6","1") = "9"
    & skf18("3","3","10","3","6","7","1") = "9"
    & skf18("3","3","10","3","6","8","1") = "9"
    & skf18("3","3","10","3","6","9","1") = "9"
    & skf18("3","3","10","3","6","10","1") = "9"
    & skf18("3","3","10","3","7","1","1") = "9"
    & skf18("3","3","10","3","7","2","1") = "9"
    & skf18("3","3","10","3","7","3","1") = "9"
    & skf18("3","3","10","3","7","4","1") = "9"
    & skf18("3","3","10","3","7","5","1") = "9"
    & skf18("3","3","10","3","7","6","1") = "9"
    & skf18("3","3","10","3","7","7","1") = "9"
    & skf18("3","3","10","3","7","8","1") = "9"
    & skf18("3","3","10","3","7","9","1") = "9"
    & skf18("3","3","10","3","7","10","1") = "9"
    & skf18("3","3","10","3","8","1","1") = "9"
    & skf18("3","3","10","3","8","2","1") = "9"
    & skf18("3","3","10","3","8","3","1") = "9"
    & skf18("3","3","10","3","8","4","1") = "9"
    & skf18("3","3","10","3","8","5","1") = "9"
    & skf18("3","3","10","3","8","6","1") = "9"
    & skf18("3","3","10","3","8","7","1") = "9"
    & skf18("3","3","10","3","8","8","1") = "9"
    & skf18("3","3","10","3","8","9","1") = "9"
    & skf18("3","3","10","3","8","10","1") = "9"
    & skf18("3","3","10","3","9","1","1") = "9"
    & skf18("3","3","10","3","9","2","1") = "9"
    & skf18("3","3","10","3","9","3","1") = "9"
    & skf18("3","3","10","3","9","4","1") = "9"
    & skf18("3","3","10","3","9","5","1") = "9"
    & skf18("3","3","10","3","9","6","1") = "9"
    & skf18("3","3","10","3","9","7","1") = "9"
    & skf18("3","3","10","3","9","8","1") = "9"
    & skf18("3","3","10","3","9","9","1") = "9"
    & skf18("3","3","10","3","9","10","1") = "9"
    & skf18("3","3","10","3","10","1","1") = "9"
    & skf18("3","3","10","3","10","2","1") = "9"
    & skf18("3","3","10","3","10","3","1") = "9"
    & skf18("3","3","10","3","10","4","1") = "9"
    & skf18("3","3","10","3","10","5","1") = "9"
    & skf18("3","3","10","3","10","6","1") = "9"
    & skf18("3","3","10","3","10","7","1") = "9"
    & skf18("3","3","10","3","10","8","1") = "9"
    & skf18("3","3","10","3","10","9","1") = "9"
    & skf18("3","3","10","3","10","10","1") = "9"
    & skf18("3","3","10","4","1","1","1") = "9"
    & skf18("3","3","10","4","1","2","1") = "9"
    & skf18("3","3","10","4","1","3","1") = "9"
    & skf18("3","3","10","4","1","4","1") = "9"
    & skf18("3","3","10","4","1","5","1") = "9"
    & skf18("3","3","10","4","1","6","1") = "9"
    & skf18("3","3","10","4","1","7","1") = "9"
    & skf18("3","3","10","4","1","8","1") = "9"
    & skf18("3","3","10","4","1","9","1") = "9"
    & skf18("3","3","10","4","1","10","1") = "9"
    & skf18("3","3","10","4","2","1","1") = "9"
    & skf18("3","3","10","4","2","2","1") = "9"
    & skf18("3","3","10","4","2","3","1") = "9"
    & skf18("3","3","10","4","2","4","1") = "9"
    & skf18("3","3","10","4","2","5","1") = "9"
    & skf18("3","3","10","4","2","6","1") = "9"
    & skf18("3","3","10","4","2","7","1") = "9"
    & skf18("3","3","10","4","2","8","1") = "9"
    & skf18("3","3","10","4","2","9","1") = "9"
    & skf18("3","3","10","4","2","10","1") = "9"
    & skf18("3","3","10","4","3","1","1") = "9"
    & skf18("3","3","10","4","3","2","1") = "9"
    & skf18("3","3","10","4","3","3","1") = "9"
    & skf18("3","3","10","4","3","4","1") = "9"
    & skf18("3","3","10","4","3","5","1") = "9"
    & skf18("3","3","10","4","3","6","1") = "9"
    & skf18("3","3","10","4","3","7","1") = "9"
    & skf18("3","3","10","4","3","8","1") = "9"
    & skf18("3","3","10","4","3","9","1") = "9"
    & skf18("3","3","10","4","3","10","1") = "9"
    & skf18("3","3","10","4","4","1","1") = "9"
    & skf18("3","3","10","4","4","2","1") = "9"
    & skf18("3","3","10","4","4","3","1") = "9"
    & skf18("3","3","10","4","4","4","1") = "9"
    & skf18("3","3","10","4","4","5","1") = "9"
    & skf18("3","3","10","4","4","6","1") = "9"
    & skf18("3","3","10","4","4","7","1") = "9"
    & skf18("3","3","10","4","4","8","1") = "9"
    & skf18("3","3","10","4","4","9","1") = "9"
    & skf18("3","3","10","4","4","10","1") = "9"
    & skf18("3","3","10","4","5","1","1") = "9"
    & skf18("3","3","10","4","5","2","1") = "9"
    & skf18("3","3","10","4","5","3","1") = "9"
    & skf18("3","3","10","4","5","4","1") = "9"
    & skf18("3","3","10","4","5","5","1") = "9"
    & skf18("3","3","10","4","5","6","1") = "9"
    & skf18("3","3","10","4","5","7","1") = "9"
    & skf18("3","3","10","4","5","8","1") = "9"
    & skf18("3","3","10","4","5","9","1") = "9"
    & skf18("3","3","10","4","5","10","1") = "9"
    & skf18("3","3","10","4","6","1","1") = "9"
    & skf18("3","3","10","4","6","2","1") = "9"
    & skf18("3","3","10","4","6","3","1") = "9"
    & skf18("3","3","10","4","6","4","1") = "9"
    & skf18("3","3","10","4","6","5","1") = "9"
    & skf18("3","3","10","4","6","6","1") = "9"
    & skf18("3","3","10","4","6","7","1") = "9"
    & skf18("3","3","10","4","6","8","1") = "9"
    & skf18("3","3","10","4","6","9","1") = "9"
    & skf18("3","3","10","4","6","10","1") = "9"
    & skf18("3","3","10","4","7","1","1") = "9"
    & skf18("3","3","10","4","7","2","1") = "9"
    & skf18("3","3","10","4","7","3","1") = "9"
    & skf18("3","3","10","4","7","4","1") = "9"
    & skf18("3","3","10","4","7","5","1") = "9"
    & skf18("3","3","10","4","7","6","1") = "9"
    & skf18("3","3","10","4","7","7","1") = "9"
    & skf18("3","3","10","4","7","8","1") = "9"
    & skf18("3","3","10","4","7","9","1") = "9"
    & skf18("3","3","10","4","7","10","1") = "9"
    & skf18("3","3","10","4","8","1","1") = "9"
    & skf18("3","3","10","4","8","2","1") = "9"
    & skf18("3","3","10","4","8","3","1") = "9"
    & skf18("3","3","10","4","8","4","1") = "9"
    & skf18("3","3","10","4","8","5","1") = "9"
    & skf18("3","3","10","4","8","6","1") = "9"
    & skf18("3","3","10","4","8","7","1") = "9"
    & skf18("3","3","10","4","8","8","1") = "9"
    & skf18("3","3","10","4","8","9","1") = "9"
    & skf18("3","3","10","4","8","10","1") = "9"
    & skf18("3","3","10","4","9","1","1") = "9"
    & skf18("3","3","10","4","9","2","1") = "9"
    & skf18("3","3","10","4","9","3","1") = "9"
    & skf18("3","3","10","4","9","4","1") = "9"
    & skf18("3","3","10","4","9","5","1") = "9"
    & skf18("3","3","10","4","9","6","1") = "9"
    & skf18("3","3","10","4","9","7","1") = "9"
    & skf18("3","3","10","4","9","8","1") = "9"
    & skf18("3","3","10","4","9","9","1") = "9"
    & skf18("3","3","10","4","9","10","1") = "9"
    & skf18("3","3","10","4","10","1","1") = "9"
    & skf18("3","3","10","4","10","2","1") = "9"
    & skf18("3","3","10","4","10","3","1") = "9"
    & skf18("3","3","10","4","10","4","1") = "9"
    & skf18("3","3","10","4","10","5","1") = "9"
    & skf18("3","3","10","4","10","6","1") = "9"
    & skf18("3","3","10","4","10","7","1") = "9"
    & skf18("3","3","10","4","10","8","1") = "9"
    & skf18("3","3","10","4","10","9","1") = "9"
    & skf18("3","3","10","4","10","10","1") = "9"
    & skf18("3","3","10","5","1","1","1") = "9"
    & skf18("3","3","10","5","1","2","1") = "9"
    & skf18("3","3","10","5","1","3","1") = "9"
    & skf18("3","3","10","5","1","4","1") = "9"
    & skf18("3","3","10","5","1","5","1") = "9"
    & skf18("3","3","10","5","1","6","1") = "9"
    & skf18("3","3","10","5","1","7","1") = "9"
    & skf18("3","3","10","5","1","8","1") = "9"
    & skf18("3","3","10","5","1","9","1") = "9"
    & skf18("3","3","10","5","1","10","1") = "9"
    & skf18("3","3","10","5","2","1","1") = "9"
    & skf18("3","3","10","5","2","2","1") = "9"
    & skf18("3","3","10","5","2","3","1") = "9"
    & skf18("3","3","10","5","2","4","1") = "9"
    & skf18("3","3","10","5","2","5","1") = "9"
    & skf18("3","3","10","5","2","6","1") = "9"
    & skf18("3","3","10","5","2","7","1") = "9"
    & skf18("3","3","10","5","2","8","1") = "9"
    & skf18("3","3","10","5","2","9","1") = "9"
    & skf18("3","3","10","5","2","10","1") = "9"
    & skf18("3","3","10","5","3","1","1") = "9"
    & skf18("3","3","10","5","3","2","1") = "9"
    & skf18("3","3","10","5","3","3","1") = "9"
    & skf18("3","3","10","5","3","4","1") = "9"
    & skf18("3","3","10","5","3","5","1") = "9"
    & skf18("3","3","10","5","3","6","1") = "9"
    & skf18("3","3","10","5","3","7","1") = "9"
    & skf18("3","3","10","5","3","8","1") = "9"
    & skf18("3","3","10","5","3","9","1") = "9"
    & skf18("3","3","10","5","3","10","1") = "9"
    & skf18("3","3","10","5","4","1","1") = "9"
    & skf18("3","3","10","5","4","2","1") = "9"
    & skf18("3","3","10","5","4","3","1") = "9"
    & skf18("3","3","10","5","4","4","1") = "9"
    & skf18("3","3","10","5","4","5","1") = "9"
    & skf18("3","3","10","5","4","6","1") = "9"
    & skf18("3","3","10","5","4","7","1") = "9"
    & skf18("3","3","10","5","4","8","1") = "9"
    & skf18("3","3","10","5","4","9","1") = "9"
    & skf18("3","3","10","5","4","10","1") = "9"
    & skf18("3","3","10","5","5","1","1") = "9"
    & skf18("3","3","10","5","5","2","1") = "9"
    & skf18("3","3","10","5","5","3","1") = "9"
    & skf18("3","3","10","5","5","4","1") = "9"
    & skf18("3","3","10","5","5","5","1") = "9"
    & skf18("3","3","10","5","5","6","1") = "9"
    & skf18("3","3","10","5","5","7","1") = "9"
    & skf18("3","3","10","5","5","8","1") = "9"
    & skf18("3","3","10","5","5","9","1") = "9"
    & skf18("3","3","10","5","5","10","1") = "9"
    & skf18("3","3","10","5","6","1","1") = "9"
    & skf18("3","3","10","5","6","2","1") = "9"
    & skf18("3","3","10","5","6","3","1") = "9"
    & skf18("3","3","10","5","6","4","1") = "9"
    & skf18("3","3","10","5","6","5","1") = "9"
    & skf18("3","3","10","5","6","6","1") = "9"
    & skf18("3","3","10","5","6","7","1") = "9"
    & skf18("3","3","10","5","6","8","1") = "9"
    & skf18("3","3","10","5","6","9","1") = "9"
    & skf18("3","3","10","5","6","10","1") = "9"
    & skf18("3","3","10","5","7","1","1") = "9"
    & skf18("3","3","10","5","7","2","1") = "9"
    & skf18("3","3","10","5","7","3","1") = "9"
    & skf18("3","3","10","5","7","4","1") = "9"
    & skf18("3","3","10","5","7","5","1") = "9"
    & skf18("3","3","10","5","7","6","1") = "9"
    & skf18("3","3","10","5","7","7","1") = "9"
    & skf18("3","3","10","5","7","8","1") = "9"
    & skf18("3","3","10","5","7","9","1") = "9"
    & skf18("3","3","10","5","7","10","1") = "9"
    & skf18("3","3","10","5","8","1","1") = "9"
    & skf18("3","3","10","5","8","2","1") = "9"
    & skf18("3","3","10","5","8","3","1") = "9"
    & skf18("3","3","10","5","8","4","1") = "9"
    & skf18("3","3","10","5","8","5","1") = "9"
    & skf18("3","3","10","5","8","6","1") = "9"
    & skf18("3","3","10","5","8","7","1") = "9"
    & skf18("3","3","10","5","8","8","1") = "9"
    & skf18("3","3","10","5","8","9","1") = "9"
    & skf18("3","3","10","5","8","10","1") = "9"
    & skf18("3","3","10","5","9","1","1") = "9"
    & skf18("3","3","10","5","9","2","1") = "9"
    & skf18("3","3","10","5","9","3","1") = "9"
    & skf18("3","3","10","5","9","4","1") = "9"
    & skf18("3","3","10","5","9","5","1") = "9"
    & skf18("3","3","10","5","9","6","1") = "9"
    & skf18("3","3","10","5","9","7","1") = "9"
    & skf18("3","3","10","5","9","8","1") = "9"
    & skf18("3","3","10","5","9","9","1") = "9"
    & skf18("3","3","10","5","9","10","1") = "9"
    & skf18("3","3","10","5","10","1","1") = "9"
    & skf18("3","3","10","5","10","2","1") = "9"
    & skf18("3","3","10","5","10","3","1") = "9"
    & skf18("3","3","10","5","10","4","1") = "9"
    & skf18("3","3","10","5","10","5","1") = "9"
    & skf18("3","3","10","5","10","6","1") = "9"
    & skf18("3","3","10","5","10","7","1") = "9"
    & skf18("3","3","10","5","10","8","1") = "9"
    & skf18("3","3","10","5","10","9","1") = "9"
    & skf18("3","3","10","5","10","10","1") = "9"
    & skf18("3","3","10","6","1","1","1") = "9"
    & skf18("3","3","10","6","1","2","1") = "9"
    & skf18("3","3","10","6","1","3","1") = "9"
    & skf18("3","3","10","6","1","4","1") = "9"
    & skf18("3","3","10","6","1","5","1") = "9"
    & skf18("3","3","10","6","1","6","1") = "9"
    & skf18("3","3","10","6","1","7","1") = "9"
    & skf18("3","3","10","6","1","8","1") = "9"
    & skf18("3","3","10","6","1","9","1") = "9"
    & skf18("3","3","10","6","1","10","1") = "9"
    & skf18("3","3","10","6","2","1","1") = "9"
    & skf18("3","3","10","6","2","2","1") = "9"
    & skf18("3","3","10","6","2","3","1") = "9"
    & skf18("3","3","10","6","2","4","1") = "9"
    & skf18("3","3","10","6","2","5","1") = "9"
    & skf18("3","3","10","6","2","6","1") = "9"
    & skf18("3","3","10","6","2","7","1") = "9"
    & skf18("3","3","10","6","2","8","1") = "9"
    & skf18("3","3","10","6","2","9","1") = "9"
    & skf18("3","3","10","6","2","10","1") = "9"
    & skf18("3","3","10","6","3","1","1") = "9"
    & skf18("3","3","10","6","3","2","1") = "9"
    & skf18("3","3","10","6","3","3","1") = "9"
    & skf18("3","3","10","6","3","4","1") = "9"
    & skf18("3","3","10","6","3","5","1") = "9"
    & skf18("3","3","10","6","3","6","1") = "9"
    & skf18("3","3","10","6","3","7","1") = "9"
    & skf18("3","3","10","6","3","8","1") = "9"
    & skf18("3","3","10","6","3","9","1") = "9"
    & skf18("3","3","10","6","3","10","1") = "9"
    & skf18("3","3","10","6","4","1","1") = "9"
    & skf18("3","3","10","6","4","2","1") = "9"
    & skf18("3","3","10","6","4","3","1") = "9"
    & skf18("3","3","10","6","4","4","1") = "9"
    & skf18("3","3","10","6","4","5","1") = "9"
    & skf18("3","3","10","6","4","6","1") = "9"
    & skf18("3","3","10","6","4","7","1") = "9"
    & skf18("3","3","10","6","4","8","1") = "9"
    & skf18("3","3","10","6","4","9","1") = "9"
    & skf18("3","3","10","6","4","10","1") = "9"
    & skf18("3","3","10","6","5","1","1") = "9"
    & skf18("3","3","10","6","5","2","1") = "9"
    & skf18("3","3","10","6","5","3","1") = "9"
    & skf18("3","3","10","6","5","4","1") = "9"
    & skf18("3","3","10","6","5","5","1") = "9"
    & skf18("3","3","10","6","5","6","1") = "9"
    & skf18("3","3","10","6","5","7","1") = "9"
    & skf18("3","3","10","6","5","8","1") = "9"
    & skf18("3","3","10","6","5","9","1") = "9"
    & skf18("3","3","10","6","5","10","1") = "9"
    & skf18("3","3","10","6","6","1","1") = "9"
    & skf18("3","3","10","6","6","2","1") = "9"
    & skf18("3","3","10","6","6","3","1") = "9"
    & skf18("3","3","10","6","6","4","1") = "9"
    & skf18("3","3","10","6","6","5","1") = "9"
    & skf18("3","3","10","6","6","6","1") = "9"
    & skf18("3","3","10","6","6","7","1") = "9"
    & skf18("3","3","10","6","6","8","1") = "9"
    & skf18("3","3","10","6","6","9","1") = "9"
    & skf18("3","3","10","6","6","10","1") = "9"
    & skf18("3","3","10","6","7","1","1") = "9"
    & skf18("3","3","10","6","7","2","1") = "9"
    & skf18("3","3","10","6","7","3","1") = "9"
    & skf18("3","3","10","6","7","4","1") = "9"
    & skf18("3","3","10","6","7","5","1") = "9"
    & skf18("3","3","10","6","7","6","1") = "9"
    & skf18("3","3","10","6","7","7","1") = "9"
    & skf18("3","3","10","6","7","8","1") = "9"
    & skf18("3","3","10","6","7","9","1") = "9"
    & skf18("3","3","10","6","7","10","1") = "9"
    & skf18("3","3","10","6","8","1","1") = "9"
    & skf18("3","3","10","6","8","2","1") = "9"
    & skf18("3","3","10","6","8","3","1") = "9"
    & skf18("3","3","10","6","8","4","1") = "9"
    & skf18("3","3","10","6","8","5","1") = "9"
    & skf18("3","3","10","6","8","6","1") = "9"
    & skf18("3","3","10","6","8","7","1") = "9"
    & skf18("3","3","10","6","8","8","1") = "9"
    & skf18("3","3","10","6","8","9","1") = "9"
    & skf18("3","3","10","6","8","10","1") = "9"
    & skf18("3","3","10","6","9","1","1") = "9"
    & skf18("3","3","10","6","9","2","1") = "9"
    & skf18("3","3","10","6","9","3","1") = "9"
    & skf18("3","3","10","6","9","4","1") = "9"
    & skf18("3","3","10","6","9","5","1") = "9"
    & skf18("3","3","10","6","9","6","1") = "9"
    & skf18("3","3","10","6","9","7","1") = "9"
    & skf18("3","3","10","6","9","8","1") = "9"
    & skf18("3","3","10","6","9","9","1") = "9"
    & skf18("3","3","10","6","9","10","1") = "9"
    & skf18("3","3","10","6","10","1","1") = "9"
    & skf18("3","3","10","6","10","2","1") = "9"
    & skf18("3","3","10","6","10","3","1") = "9"
    & skf18("3","3","10","6","10","4","1") = "9"
    & skf18("3","3","10","6","10","5","1") = "9"
    & skf18("3","3","10","6","10","6","1") = "9"
    & skf18("3","3","10","6","10","7","1") = "9"
    & skf18("3","3","10","6","10","8","1") = "9"
    & skf18("3","3","10","6","10","9","1") = "9"
    & skf18("3","3","10","6","10","10","1") = "9"
    & skf18("3","3","10","7","1","1","1") = "9"
    & skf18("3","3","10","7","1","2","1") = "9"
    & skf18("3","3","10","7","1","3","1") = "9"
    & skf18("3","3","10","7","1","4","1") = "9"
    & skf18("3","3","10","7","1","5","1") = "9"
    & skf18("3","3","10","7","1","6","1") = "9"
    & skf18("3","3","10","7","1","7","1") = "9"
    & skf18("3","3","10","7","1","8","1") = "9"
    & skf18("3","3","10","7","1","9","1") = "9"
    & skf18("3","3","10","7","1","10","1") = "9"
    & skf18("3","3","10","7","2","1","1") = "9"
    & skf18("3","3","10","7","2","2","1") = "9"
    & skf18("3","3","10","7","2","3","1") = "9"
    & skf18("3","3","10","7","2","4","1") = "9"
    & skf18("3","3","10","7","2","5","1") = "9"
    & skf18("3","3","10","7","2","6","1") = "9"
    & skf18("3","3","10","7","2","7","1") = "9"
    & skf18("3","3","10","7","2","8","1") = "9"
    & skf18("3","3","10","7","2","9","1") = "9"
    & skf18("3","3","10","7","2","10","1") = "9"
    & skf18("3","3","10","7","3","1","1") = "9"
    & skf18("3","3","10","7","3","2","1") = "9"
    & skf18("3","3","10","7","3","3","1") = "9"
    & skf18("3","3","10","7","3","4","1") = "9"
    & skf18("3","3","10","7","3","5","1") = "9"
    & skf18("3","3","10","7","3","6","1") = "9"
    & skf18("3","3","10","7","3","7","1") = "9"
    & skf18("3","3","10","7","3","8","1") = "9"
    & skf18("3","3","10","7","3","9","1") = "9"
    & skf18("3","3","10","7","3","10","1") = "9"
    & skf18("3","3","10","7","4","1","1") = "9"
    & skf18("3","3","10","7","4","2","1") = "9"
    & skf18("3","3","10","7","4","3","1") = "9"
    & skf18("3","3","10","7","4","4","1") = "9"
    & skf18("3","3","10","7","4","5","1") = "9"
    & skf18("3","3","10","7","4","6","1") = "9"
    & skf18("3","3","10","7","4","7","1") = "9"
    & skf18("3","3","10","7","4","8","1") = "9"
    & skf18("3","3","10","7","4","9","1") = "9"
    & skf18("3","3","10","7","4","10","1") = "9"
    & skf18("3","3","10","7","5","1","1") = "9"
    & skf18("3","3","10","7","5","2","1") = "9"
    & skf18("3","3","10","7","5","3","1") = "9"
    & skf18("3","3","10","7","5","4","1") = "9"
    & skf18("3","3","10","7","5","5","1") = "9"
    & skf18("3","3","10","7","5","6","1") = "9"
    & skf18("3","3","10","7","5","7","1") = "9"
    & skf18("3","3","10","7","5","8","1") = "9"
    & skf18("3","3","10","7","5","9","1") = "9"
    & skf18("3","3","10","7","5","10","1") = "9"
    & skf18("3","3","10","7","6","1","1") = "9"
    & skf18("3","3","10","7","6","2","1") = "9"
    & skf18("3","3","10","7","6","3","1") = "9"
    & skf18("3","3","10","7","6","4","1") = "9"
    & skf18("3","3","10","7","6","5","1") = "9"
    & skf18("3","3","10","7","6","6","1") = "9"
    & skf18("3","3","10","7","6","7","1") = "9"
    & skf18("3","3","10","7","6","8","1") = "9"
    & skf18("3","3","10","7","6","9","1") = "9"
    & skf18("3","3","10","7","6","10","1") = "9"
    & skf18("3","3","10","7","7","1","1") = "9"
    & skf18("3","3","10","7","7","2","1") = "9"
    & skf18("3","3","10","7","7","3","1") = "9"
    & skf18("3","3","10","7","7","4","1") = "9"
    & skf18("3","3","10","7","7","5","1") = "9"
    & skf18("3","3","10","7","7","6","1") = "9"
    & skf18("3","3","10","7","7","7","1") = "9"
    & skf18("3","3","10","7","7","8","1") = "9"
    & skf18("3","3","10","7","7","9","1") = "9"
    & skf18("3","3","10","7","7","10","1") = "9"
    & skf18("3","3","10","7","8","1","1") = "9"
    & skf18("3","3","10","7","8","2","1") = "9"
    & skf18("3","3","10","7","8","3","1") = "9"
    & skf18("3","3","10","7","8","4","1") = "9"
    & skf18("3","3","10","7","8","5","1") = "9"
    & skf18("3","3","10","7","8","6","1") = "9"
    & skf18("3","3","10","7","8","7","1") = "9"
    & skf18("3","3","10","7","8","8","1") = "9"
    & skf18("3","3","10","7","8","9","1") = "9"
    & skf18("3","3","10","7","8","10","1") = "9"
    & skf18("3","3","10","7","9","1","1") = "9"
    & skf18("3","3","10","7","9","2","1") = "9"
    & skf18("3","3","10","7","9","3","1") = "9"
    & skf18("3","3","10","7","9","4","1") = "9"
    & skf18("3","3","10","7","9","5","1") = "9"
    & skf18("3","3","10","7","9","6","1") = "9"
    & skf18("3","3","10","7","9","7","1") = "9"
    & skf18("3","3","10","7","9","8","1") = "9"
    & skf18("3","3","10","7","9","9","1") = "9"
    & skf18("3","3","10","7","9","10","1") = "9"
    & skf18("3","3","10","7","10","1","1") = "9"
    & skf18("3","3","10","7","10","2","1") = "9"
    & skf18("3","3","10","7","10","3","1") = "9"
    & skf18("3","3","10","7","10","4","1") = "9"
    & skf18("3","3","10","7","10","5","1") = "9"
    & skf18("3","3","10","7","10","6","1") = "9"
    & skf18("3","3","10","7","10","7","1") = "9"
    & skf18("3","3","10","7","10","8","1") = "9"
    & skf18("3","3","10","7","10","9","1") = "9"
    & skf18("3","3","10","7","10","10","1") = "9"
    & skf18("3","3","10","8","1","1","1") = "9"
    & skf18("3","3","10","8","1","2","1") = "9"
    & skf18("3","3","10","8","1","3","1") = "9"
    & skf18("3","3","10","8","1","4","1") = "9"
    & skf18("3","3","10","8","1","5","1") = "9"
    & skf18("3","3","10","8","1","6","1") = "9"
    & skf18("3","3","10","8","1","7","1") = "9"
    & skf18("3","3","10","8","1","8","1") = "9"
    & skf18("3","3","10","8","1","9","1") = "9"
    & skf18("3","3","10","8","1","10","1") = "9"
    & skf18("3","3","10","8","2","1","1") = "9"
    & skf18("3","3","10","8","2","2","1") = "9"
    & skf18("3","3","10","8","2","3","1") = "9"
    & skf18("3","3","10","8","2","4","1") = "9"
    & skf18("3","3","10","8","2","5","1") = "9"
    & skf18("3","3","10","8","2","6","1") = "9"
    & skf18("3","3","10","8","2","7","1") = "9"
    & skf18("3","3","10","8","2","8","1") = "9"
    & skf18("3","3","10","8","2","9","1") = "9"
    & skf18("3","3","10","8","2","10","1") = "9"
    & skf18("3","3","10","8","3","1","1") = "9"
    & skf18("3","3","10","8","3","2","1") = "9"
    & skf18("3","3","10","8","3","3","1") = "9"
    & skf18("3","3","10","8","3","4","1") = "9"
    & skf18("3","3","10","8","3","5","1") = "9"
    & skf18("3","3","10","8","3","6","1") = "9"
    & skf18("3","3","10","8","3","7","1") = "9"
    & skf18("3","3","10","8","3","8","1") = "9"
    & skf18("3","3","10","8","3","9","1") = "9"
    & skf18("3","3","10","8","3","10","1") = "9"
    & skf18("3","3","10","8","4","1","1") = "9"
    & skf18("3","3","10","8","4","2","1") = "9"
    & skf18("3","3","10","8","4","3","1") = "9"
    & skf18("3","3","10","8","4","4","1") = "9"
    & skf18("3","3","10","8","4","5","1") = "9"
    & skf18("3","3","10","8","4","6","1") = "9"
    & skf18("3","3","10","8","4","7","1") = "9"
    & skf18("3","3","10","8","4","8","1") = "9"
    & skf18("3","3","10","8","4","9","1") = "9"
    & skf18("3","3","10","8","4","10","1") = "9"
    & skf18("3","3","10","8","5","1","1") = "9"
    & skf18("3","3","10","8","5","2","1") = "9"
    & skf18("3","3","10","8","5","3","1") = "9"
    & skf18("3","3","10","8","5","4","1") = "9"
    & skf18("3","3","10","8","5","5","1") = "9"
    & skf18("3","3","10","8","5","6","1") = "9"
    & skf18("3","3","10","8","5","7","1") = "9"
    & skf18("3","3","10","8","5","8","1") = "9"
    & skf18("3","3","10","8","5","9","1") = "9"
    & skf18("3","3","10","8","5","10","1") = "9"
    & skf18("3","3","10","8","6","1","1") = "9"
    & skf18("3","3","10","8","6","2","1") = "9"
    & skf18("3","3","10","8","6","3","1") = "9"
    & skf18("3","3","10","8","6","4","1") = "9"
    & skf18("3","3","10","8","6","5","1") = "9"
    & skf18("3","3","10","8","6","6","1") = "9"
    & skf18("3","3","10","8","6","7","1") = "9"
    & skf18("3","3","10","8","6","8","1") = "9"
    & skf18("3","3","10","8","6","9","1") = "9"
    & skf18("3","3","10","8","6","10","1") = "9"
    & skf18("3","3","10","8","7","1","1") = "9"
    & skf18("3","3","10","8","7","2","1") = "9"
    & skf18("3","3","10","8","7","3","1") = "9"
    & skf18("3","3","10","8","7","4","1") = "9"
    & skf18("3","3","10","8","7","5","1") = "9"
    & skf18("3","3","10","8","7","6","1") = "9"
    & skf18("3","3","10","8","7","7","1") = "9"
    & skf18("3","3","10","8","7","8","1") = "9"
    & skf18("3","3","10","8","7","9","1") = "9"
    & skf18("3","3","10","8","7","10","1") = "9"
    & skf18("3","3","10","8","8","1","1") = "9"
    & skf18("3","3","10","8","8","2","1") = "9"
    & skf18("3","3","10","8","8","3","1") = "9"
    & skf18("3","3","10","8","8","4","1") = "9"
    & skf18("3","3","10","8","8","5","1") = "9"
    & skf18("3","3","10","8","8","6","1") = "9"
    & skf18("3","3","10","8","8","7","1") = "9"
    & skf18("3","3","10","8","8","8","1") = "9"
    & skf18("3","3","10","8","8","9","1") = "9"
    & skf18("3","3","10","8","8","10","1") = "9"
    & skf18("3","3","10","8","9","1","1") = "9"
    & skf18("3","3","10","8","9","2","1") = "9"
    & skf18("3","3","10","8","9","3","1") = "9"
    & skf18("3","3","10","8","9","4","1") = "9"
    & skf18("3","3","10","8","9","5","1") = "9"
    & skf18("3","3","10","8","9","6","1") = "9"
    & skf18("3","3","10","8","9","7","1") = "9"
    & skf18("3","3","10","8","9","8","1") = "9"
    & skf18("3","3","10","8","9","9","1") = "9"
    & skf18("3","3","10","8","9","10","1") = "9"
    & skf18("3","3","10","8","10","1","1") = "9"
    & skf18("3","3","10","8","10","2","1") = "9"
    & skf18("3","3","10","8","10","3","1") = "9"
    & skf18("3","3","10","8","10","4","1") = "9"
    & skf18("3","3","10","8","10","5","1") = "9"
    & skf18("3","3","10","8","10","6","1") = "9"
    & skf18("3","3","10","8","10","7","1") = "9"
    & skf18("3","3","10","8","10","8","1") = "9"
    & skf18("3","3","10","8","10","9","1") = "9"
    & skf18("3","3","10","8","10","10","1") = "9"
    & skf18("3","3","10","9","1","1","1") = "9"
    & skf18("3","3","10","9","1","2","1") = "9"
    & skf18("3","3","10","9","1","3","1") = "9"
    & skf18("3","3","10","9","1","4","1") = "9"
    & skf18("3","3","10","9","1","5","1") = "9"
    & skf18("3","3","10","9","1","6","1") = "9"
    & skf18("3","3","10","9","1","7","1") = "9"
    & skf18("3","3","10","9","1","8","1") = "9"
    & skf18("3","3","10","9","1","9","1") = "9"
    & skf18("3","3","10","9","1","10","1") = "9"
    & skf18("3","3","10","9","2","1","1") = "9"
    & skf18("3","3","10","9","2","2","1") = "9"
    & skf18("3","3","10","9","2","3","1") = "9"
    & skf18("3","3","10","9","2","4","1") = "9"
    & skf18("3","3","10","9","2","5","1") = "9"
    & skf18("3","3","10","9","2","6","1") = "9"
    & skf18("3","3","10","9","2","7","1") = "9"
    & skf18("3","3","10","9","2","8","1") = "9"
    & skf18("3","3","10","9","2","9","1") = "9"
    & skf18("3","3","10","9","2","10","1") = "9"
    & skf18("3","3","10","9","3","1","1") = "9"
    & skf18("3","3","10","9","3","2","1") = "9"
    & skf18("3","3","10","9","3","3","1") = "9"
    & skf18("3","3","10","9","3","4","1") = "9"
    & skf18("3","3","10","9","3","5","1") = "9"
    & skf18("3","3","10","9","3","6","1") = "9"
    & skf18("3","3","10","9","3","7","1") = "9"
    & skf18("3","3","10","9","3","8","1") = "9"
    & skf18("3","3","10","9","3","9","1") = "9"
    & skf18("3","3","10","9","3","10","1") = "9"
    & skf18("3","3","10","9","4","1","1") = "9"
    & skf18("3","3","10","9","4","2","1") = "9"
    & skf18("3","3","10","9","4","3","1") = "9"
    & skf18("3","3","10","9","4","4","1") = "9"
    & skf18("3","3","10","9","4","5","1") = "9"
    & skf18("3","3","10","9","4","6","1") = "9"
    & skf18("3","3","10","9","4","7","1") = "9"
    & skf18("3","3","10","9","4","8","1") = "9"
    & skf18("3","3","10","9","4","9","1") = "9"
    & skf18("3","3","10","9","4","10","1") = "9"
    & skf18("3","3","10","9","5","1","1") = "9"
    & skf18("3","3","10","9","5","2","1") = "9"
    & skf18("3","3","10","9","5","3","1") = "9"
    & skf18("3","3","10","9","5","4","1") = "9"
    & skf18("3","3","10","9","5","5","1") = "9"
    & skf18("3","3","10","9","5","6","1") = "9"
    & skf18("3","3","10","9","5","7","1") = "9"
    & skf18("3","3","10","9","5","8","1") = "9"
    & skf18("3","3","10","9","5","9","1") = "9"
    & skf18("3","3","10","9","5","10","1") = "9"
    & skf18("3","3","10","9","6","1","1") = "9"
    & skf18("3","3","10","9","6","2","1") = "9"
    & skf18("3","3","10","9","6","3","1") = "9"
    & skf18("3","3","10","9","6","4","1") = "9"
    & skf18("3","3","10","9","6","5","1") = "9"
    & skf18("3","3","10","9","6","6","1") = "9"
    & skf18("3","3","10","9","6","7","1") = "9"
    & skf18("3","3","10","9","6","8","1") = "9"
    & skf18("3","3","10","9","6","9","1") = "9"
    & skf18("3","3","10","9","6","10","1") = "9"
    & skf18("3","3","10","9","7","1","1") = "9"
    & skf18("3","3","10","9","7","2","1") = "9"
    & skf18("3","3","10","9","7","3","1") = "9"
    & skf18("3","3","10","9","7","4","1") = "9"
    & skf18("3","3","10","9","7","5","1") = "9"
    & skf18("3","3","10","9","7","6","1") = "9"
    & skf18("3","3","10","9","7","7","1") = "9"
    & skf18("3","3","10","9","7","8","1") = "9"
    & skf18("3","3","10","9","7","9","1") = "9"
    & skf18("3","3","10","9","7","10","1") = "9"
    & skf18("3","3","10","9","8","1","1") = "9"
    & skf18("3","3","10","9","8","2","1") = "9"
    & skf18("3","3","10","9","8","3","1") = "9"
    & skf18("3","3","10","9","8","4","1") = "9"
    & skf18("3","3","10","9","8","5","1") = "9"
    & skf18("3","3","10","9","8","6","1") = "9"
    & skf18("3","3","10","9","8","7","1") = "9"
    & skf18("3","3","10","9","8","8","1") = "9"
    & skf18("3","3","10","9","8","9","1") = "9"
    & skf18("3","3","10","9","8","10","1") = "9"
    & skf18("3","3","10","9","9","1","1") = "9"
    & skf18("3","3","10","9","9","2","1") = "9"
    & skf18("3","3","10","9","9","3","1") = "9"
    & skf18("3","3","10","9","9","4","1") = "9"
    & skf18("3","3","10","9","9","5","1") = "9"
    & skf18("3","3","10","9","9","6","1") = "9"
    & skf18("3","3","10","9","9","7","1") = "9"
    & skf18("3","3","10","9","9","8","1") = "9"
    & skf18("3","3","10","9","9","9","1") = "9"
    & skf18("3","3","10","9","9","10","1") = "9"
    & skf18("3","3","10","9","10","1","1") = "9"
    & skf18("3","3","10","9","10","2","1") = "9"
    & skf18("3","3","10","9","10","3","1") = "9"
    & skf18("3","3","10","9","10","4","1") = "9"
    & skf18("3","3","10","9","10","5","1") = "9"
    & skf18("3","3","10","9","10","6","1") = "9"
    & skf18("3","3","10","9","10","7","1") = "9"
    & skf18("3","3","10","9","10","8","1") = "9"
    & skf18("3","3","10","9","10","9","1") = "9"
    & skf18("3","3","10","9","10","10","1") = "9"
    & skf18("3","3","10","10","1","1","1") = "9"
    & skf18("3","3","10","10","1","2","1") = "9"
    & skf18("3","3","10","10","1","3","1") = "9"
    & skf18("3","3","10","10","1","4","1") = "9"
    & skf18("3","3","10","10","1","5","1") = "9"
    & skf18("3","3","10","10","1","6","1") = "9"
    & skf18("3","3","10","10","1","7","1") = "9"
    & skf18("3","3","10","10","1","8","1") = "9"
    & skf18("3","3","10","10","1","9","1") = "9"
    & skf18("3","3","10","10","1","10","1") = "9"
    & skf18("3","3","10","10","2","1","1") = "9"
    & skf18("3","3","10","10","2","2","1") = "9"
    & skf18("3","3","10","10","2","3","1") = "9"
    & skf18("3","3","10","10","2","4","1") = "9"
    & skf18("3","3","10","10","2","5","1") = "9"
    & skf18("3","3","10","10","2","6","1") = "9"
    & skf18("3","3","10","10","2","7","1") = "9"
    & skf18("3","3","10","10","2","8","1") = "9"
    & skf18("3","3","10","10","2","9","1") = "9"
    & skf18("3","3","10","10","2","10","1") = "9"
    & skf18("3","3","10","10","3","1","1") = "9"
    & skf18("3","3","10","10","3","2","1") = "9"
    & skf18("3","3","10","10","3","3","1") = "9"
    & skf18("3","3","10","10","3","4","1") = "9"
    & skf18("3","3","10","10","3","5","1") = "9"
    & skf18("3","3","10","10","3","6","1") = "9"
    & skf18("3","3","10","10","3","7","1") = "9"
    & skf18("3","3","10","10","3","8","1") = "9"
    & skf18("3","3","10","10","3","9","1") = "9"
    & skf18("3","3","10","10","3","10","1") = "9"
    & skf18("3","3","10","10","4","1","1") = "9"
    & skf18("3","3","10","10","4","2","1") = "9"
    & skf18("3","3","10","10","4","3","1") = "9"
    & skf18("3","3","10","10","4","4","1") = "9"
    & skf18("3","3","10","10","4","5","1") = "9"
    & skf18("3","3","10","10","4","6","1") = "9"
    & skf18("3","3","10","10","4","7","1") = "9"
    & skf18("3","3","10","10","4","8","1") = "9"
    & skf18("3","3","10","10","4","9","1") = "9"
    & skf18("3","3","10","10","4","10","1") = "9"
    & skf18("3","3","10","10","5","1","1") = "9"
    & skf18("3","3","10","10","5","2","1") = "9"
    & skf18("3","3","10","10","5","3","1") = "9"
    & skf18("3","3","10","10","5","4","1") = "9"
    & skf18("3","3","10","10","5","5","1") = "9"
    & skf18("3","3","10","10","5","6","1") = "9"
    & skf18("3","3","10","10","5","7","1") = "9"
    & skf18("3","3","10","10","5","8","1") = "9"
    & skf18("3","3","10","10","5","9","1") = "9"
    & skf18("3","3","10","10","5","10","1") = "9"
    & skf18("3","3","10","10","6","1","1") = "9"
    & skf18("3","3","10","10","6","2","1") = "9"
    & skf18("3","3","10","10","6","3","1") = "9"
    & skf18("3","3","10","10","6","4","1") = "9"
    & skf18("3","3","10","10","6","5","1") = "9"
    & skf18("3","3","10","10","6","6","1") = "9"
    & skf18("3","3","10","10","6","7","1") = "9"
    & skf18("3","3","10","10","6","8","1") = "9"
    & skf18("3","3","10","10","6","9","1") = "9"
    & skf18("3","3","10","10","6","10","1") = "9"
    & skf18("3","3","10","10","7","1","1") = "9"
    & skf18("3","3","10","10","7","2","1") = "9"
    & skf18("3","3","10","10","7","3","1") = "9"
    & skf18("3","3","10","10","7","4","1") = "9"
    & skf18("3","3","10","10","7","5","1") = "9"
    & skf18("3","3","10","10","7","6","1") = "9"
    & skf18("3","3","10","10","7","7","1") = "9"
    & skf18("3","3","10","10","7","8","1") = "9"
    & skf18("3","3","10","10","7","9","1") = "9"
    & skf18("3","3","10","10","7","10","1") = "9"
    & skf18("3","3","10","10","8","1","1") = "9"
    & skf18("3","3","10","10","8","2","1") = "9"
    & skf18("3","3","10","10","8","3","1") = "9"
    & skf18("3","3","10","10","8","4","1") = "9"
    & skf18("3","3","10","10","8","5","1") = "9"
    & skf18("3","3","10","10","8","6","1") = "9"
    & skf18("3","3","10","10","8","7","1") = "9"
    & skf18("3","3","10","10","8","8","1") = "9"
    & skf18("3","3","10","10","8","9","1") = "9"
    & skf18("3","3","10","10","8","10","1") = "9"
    & skf18("3","3","10","10","9","1","1") = "9"
    & skf18("3","3","10","10","9","2","1") = "9"
    & skf18("3","3","10","10","9","3","1") = "9"
    & skf18("3","3","10","10","9","4","1") = "9"
    & skf18("3","3","10","10","9","5","1") = "9"
    & skf18("3","3","10","10","9","6","1") = "9"
    & skf18("3","3","10","10","9","7","1") = "9"
    & skf18("3","3","10","10","9","8","1") = "9"
    & skf18("3","3","10","10","9","9","1") = "9"
    & skf18("3","3","10","10","9","10","1") = "9"
    & skf18("3","3","10","10","10","1","1") = "9"
    & skf18("3","3","10","10","10","2","1") = "9"
    & skf18("3","3","10","10","10","3","1") = "9"
    & skf18("3","3","10","10","10","4","1") = "9"
    & skf18("3","3","10","10","10","5","1") = "9"
    & skf18("3","3","10","10","10","6","1") = "9"
    & skf18("3","3","10","10","10","7","1") = "9"
    & skf18("3","3","10","10","10","8","1") = "9"
    & skf18("3","3","10","10","10","9","1") = "9"
    & skf18("3","3","10","10","10","10","1") = "9"
    & skf18("3","4","1","1","1","1","1") = "3"
    & skf18("3","4","1","1","1","2","1") = "3"
    & skf18("3","4","1","1","1","3","1") = "3"
    & skf18("3","4","1","1","1","4","1") = "3"
    & skf18("3","4","1","1","1","5","1") = "4"
    & skf18("3","4","1","1","1","6","1") = "5"
    & skf18("3","4","1","1","1","7","1") = "6"
    & skf18("3","4","1","1","1","8","1") = "7"
    & skf18("3","4","1","1","1","9","1") = "8"
    & skf18("3","4","1","1","1","10","1") = "9"
    & skf18("3","4","1","1","2","1","1") = "3"
    & skf18("3","4","1","1","2","2","1") = "3"
    & skf18("3","4","1","1","2","3","1") = "3"
    & skf18("3","4","1","1","2","4","1") = "3"
    & skf18("3","4","1","1","2","5","1") = "4"
    & skf18("3","4","1","1","2","6","1") = "5"
    & skf18("3","4","1","1","2","7","1") = "6"
    & skf18("3","4","1","1","2","8","1") = "7"
    & skf18("3","4","1","1","2","9","1") = "8"
    & skf18("3","4","1","1","2","10","1") = "9"
    & skf18("3","4","1","1","3","1","1") = "3"
    & skf18("3","4","1","1","3","2","1") = "3"
    & skf18("3","4","1","1","3","3","1") = "3"
    & skf18("3","4","1","1","3","4","1") = "3"
    & skf18("3","4","1","1","3","5","1") = "4"
    & skf18("3","4","1","1","3","6","1") = "5"
    & skf18("3","4","1","1","3","7","1") = "6"
    & skf18("3","4","1","1","3","8","1") = "7"
    & skf18("3","4","1","1","3","9","1") = "8"
    & skf18("3","4","1","1","3","10","1") = "9"
    & skf18("3","4","1","1","4","1","1") = "3"
    & skf18("3","4","1","1","4","2","1") = "3"
    & skf18("3","4","1","1","4","3","1") = "3"
    & skf18("3","4","1","1","4","4","1") = "3"
    & skf18("3","4","1","1","4","5","1") = "4"
    & skf18("3","4","1","1","4","6","1") = "5"
    & skf18("3","4","1","1","4","7","1") = "6"
    & skf18("3","4","1","1","4","8","1") = "7"
    & skf18("3","4","1","1","4","9","1") = "8"
    & skf18("3","4","1","1","4","10","1") = "9"
    & skf18("3","4","1","1","5","1","1") = "4"
    & skf18("3","4","1","1","5","2","1") = "4"
    & skf18("3","4","1","1","5","3","1") = "4"
    & skf18("3","4","1","1","5","4","1") = "4"
    & skf18("3","4","1","1","5","5","1") = "4"
    & skf18("3","4","1","1","5","6","1") = "5"
    & skf18("3","4","1","1","5","7","1") = "6"
    & skf18("3","4","1","1","5","8","1") = "7"
    & skf18("3","4","1","1","5","9","1") = "8"
    & skf18("3","4","1","1","5","10","1") = "9"
    & skf18("3","4","1","1","6","1","1") = "5"
    & skf18("3","4","1","1","6","2","1") = "5"
    & skf18("3","4","1","1","6","3","1") = "5"
    & skf18("3","4","1","1","6","4","1") = "5"
    & skf18("3","4","1","1","6","5","1") = "5"
    & skf18("3","4","1","1","6","6","1") = "5"
    & skf18("3","4","1","1","6","7","1") = "6"
    & skf18("3","4","1","1","6","8","1") = "7"
    & skf18("3","4","1","1","6","9","1") = "8"
    & skf18("3","4","1","1","6","10","1") = "9"
    & skf18("3","4","1","1","7","1","1") = "6"
    & skf18("3","4","1","1","7","2","1") = "6"
    & skf18("3","4","1","1","7","3","1") = "6"
    & skf18("3","4","1","1","7","4","1") = "6"
    & skf18("3","4","1","1","7","5","1") = "6"
    & skf18("3","4","1","1","7","6","1") = "6"
    & skf18("3","4","1","1","7","7","1") = "6"
    & skf18("3","4","1","1","7","8","1") = "7"
    & skf18("3","4","1","1","7","9","1") = "8"
    & skf18("3","4","1","1","7","10","1") = "9"
    & skf18("3","4","1","1","8","1","1") = "7"
    & skf18("3","4","1","1","8","2","1") = "7"
    & skf18("3","4","1","1","8","3","1") = "7"
    & skf18("3","4","1","1","8","4","1") = "7"
    & skf18("3","4","1","1","8","5","1") = "7"
    & skf18("3","4","1","1","8","6","1") = "7"
    & skf18("3","4","1","1","8","7","1") = "7"
    & skf18("3","4","1","1","8","8","1") = "7"
    & skf18("3","4","1","1","8","9","1") = "8"
    & skf18("3","4","1","1","8","10","1") = "9"
    & skf18("3","4","1","1","9","1","1") = "8"
    & skf18("3","4","1","1","9","2","1") = "8"
    & skf18("3","4","1","1","9","3","1") = "8"
    & skf18("3","4","1","1","9","4","1") = "8"
    & skf18("3","4","1","1","9","5","1") = "8"
    & skf18("3","4","1","1","9","6","1") = "8"
    & skf18("3","4","1","1","9","7","1") = "8"
    & skf18("3","4","1","1","9","8","1") = "8"
    & skf18("3","4","1","1","9","9","1") = "8"
    & skf18("3","4","1","1","9","10","1") = "9"
    & skf18("3","4","1","1","10","1","1") = "9"
    & skf18("3","4","1","1","10","2","1") = "9"
    & skf18("3","4","1","1","10","3","1") = "9"
    & skf18("3","4","1","1","10","4","1") = "9"
    & skf18("3","4","1","1","10","5","1") = "9"
    & skf18("3","4","1","1","10","6","1") = "9"
    & skf18("3","4","1","1","10","7","1") = "9"
    & skf18("3","4","1","1","10","8","1") = "9"
    & skf18("3","4","1","1","10","9","1") = "9"
    & skf18("3","4","1","1","10","10","1") = "9"
    & skf18("3","4","1","2","1","1","1") = "3"
    & skf18("3","4","1","2","1","2","1") = "3"
    & skf18("3","4","1","2","1","3","1") = "3"
    & skf18("3","4","1","2","1","4","1") = "3"
    & skf18("3","4","1","2","1","5","1") = "4"
    & skf18("3","4","1","2","1","6","1") = "5"
    & skf18("3","4","1","2","1","7","1") = "6"
    & skf18("3","4","1","2","1","8","1") = "7"
    & skf18("3","4","1","2","1","9","1") = "8"
    & skf18("3","4","1","2","1","10","1") = "9"
    & skf18("3","4","1","2","2","1","1") = "3"
    & skf18("3","4","1","2","2","2","1") = "3"
    & skf18("3","4","1","2","2","3","1") = "3"
    & skf18("3","4","1","2","2","4","1") = "3"
    & skf18("3","4","1","2","2","5","1") = "4"
    & skf18("3","4","1","2","2","6","1") = "5"
    & skf18("3","4","1","2","2","7","1") = "6"
    & skf18("3","4","1","2","2","8","1") = "7"
    & skf18("3","4","1","2","2","9","1") = "8"
    & skf18("3","4","1","2","2","10","1") = "9"
    & skf18("3","4","1","2","3","1","1") = "3"
    & skf18("3","4","1","2","3","2","1") = "3"
    & skf18("3","4","1","2","3","3","1") = "3"
    & skf18("3","4","1","2","3","4","1") = "3"
    & skf18("3","4","1","2","3","5","1") = "4"
    & skf18("3","4","1","2","3","6","1") = "5"
    & skf18("3","4","1","2","3","7","1") = "6"
    & skf18("3","4","1","2","3","8","1") = "7"
    & skf18("3","4","1","2","3","9","1") = "8"
    & skf18("3","4","1","2","3","10","1") = "9"
    & skf18("3","4","1","2","4","1","1") = "3"
    & skf18("3","4","1","2","4","2","1") = "3"
    & skf18("3","4","1","2","4","3","1") = "3"
    & skf18("3","4","1","2","4","4","1") = "3"
    & skf18("3","4","1","2","4","5","1") = "4"
    & skf18("3","4","1","2","4","6","1") = "5"
    & skf18("3","4","1","2","4","7","1") = "6"
    & skf18("3","4","1","2","4","8","1") = "7"
    & skf18("3","4","1","2","4","9","1") = "8"
    & skf18("3","4","1","2","4","10","1") = "9"
    & skf18("3","4","1","2","5","1","1") = "4"
    & skf18("3","4","1","2","5","2","1") = "4"
    & skf18("3","4","1","2","5","3","1") = "4"
    & skf18("3","4","1","2","5","4","1") = "4"
    & skf18("3","4","1","2","5","5","1") = "4"
    & skf18("3","4","1","2","5","6","1") = "5"
    & skf18("3","4","1","2","5","7","1") = "6"
    & skf18("3","4","1","2","5","8","1") = "7"
    & skf18("3","4","1","2","5","9","1") = "8"
    & skf18("3","4","1","2","5","10","1") = "9"
    & skf18("3","4","1","2","6","1","1") = "5"
    & skf18("3","4","1","2","6","2","1") = "5"
    & skf18("3","4","1","2","6","3","1") = "5"
    & skf18("3","4","1","2","6","4","1") = "5"
    & skf18("3","4","1","2","6","5","1") = "5"
    & skf18("3","4","1","2","6","6","1") = "5"
    & skf18("3","4","1","2","6","7","1") = "6"
    & skf18("3","4","1","2","6","8","1") = "7"
    & skf18("3","4","1","2","6","9","1") = "8"
    & skf18("3","4","1","2","6","10","1") = "9"
    & skf18("3","4","1","2","7","1","1") = "6"
    & skf18("3","4","1","2","7","2","1") = "6"
    & skf18("3","4","1","2","7","3","1") = "6"
    & skf18("3","4","1","2","7","4","1") = "6"
    & skf18("3","4","1","2","7","5","1") = "6"
    & skf18("3","4","1","2","7","6","1") = "6"
    & skf18("3","4","1","2","7","7","1") = "6"
    & skf18("3","4","1","2","7","8","1") = "7"
    & skf18("3","4","1","2","7","9","1") = "8"
    & skf18("3","4","1","2","7","10","1") = "9"
    & skf18("3","4","1","2","8","1","1") = "7"
    & skf18("3","4","1","2","8","2","1") = "7"
    & skf18("3","4","1","2","8","3","1") = "7"
    & skf18("3","4","1","2","8","4","1") = "7"
    & skf18("3","4","1","2","8","5","1") = "7"
    & skf18("3","4","1","2","8","6","1") = "7"
    & skf18("3","4","1","2","8","7","1") = "7"
    & skf18("3","4","1","2","8","8","1") = "7"
    & skf18("3","4","1","2","8","9","1") = "8"
    & skf18("3","4","1","2","8","10","1") = "9"
    & skf18("3","4","1","2","9","1","1") = "8"
    & skf18("3","4","1","2","9","2","1") = "8"
    & skf18("3","4","1","2","9","3","1") = "8"
    & skf18("3","4","1","2","9","4","1") = "8"
    & skf18("3","4","1","2","9","5","1") = "8"
    & skf18("3","4","1","2","9","6","1") = "8"
    & skf18("3","4","1","2","9","7","1") = "8"
    & skf18("3","4","1","2","9","8","1") = "8"
    & skf18("3","4","1","2","9","9","1") = "8"
    & skf18("3","4","1","2","9","10","1") = "9"
    & skf18("3","4","1","2","10","1","1") = "9"
    & skf18("3","4","1","2","10","2","1") = "9"
    & skf18("3","4","1","2","10","3","1") = "9"
    & skf18("3","4","1","2","10","4","1") = "9"
    & skf18("3","4","1","2","10","5","1") = "9"
    & skf18("3","4","1","2","10","6","1") = "9"
    & skf18("3","4","1","2","10","7","1") = "9"
    & skf18("3","4","1","2","10","8","1") = "9"
    & skf18("3","4","1","2","10","9","1") = "9"
    & skf18("3","4","1","2","10","10","1") = "9"
    & skf18("3","4","1","3","1","1","1") = "3"
    & skf18("3","4","1","3","1","2","1") = "3"
    & skf18("3","4","1","3","1","3","1") = "3"
    & skf18("3","4","1","3","1","4","1") = "3"
    & skf18("3","4","1","3","1","5","1") = "4"
    & skf18("3","4","1","3","1","6","1") = "5"
    & skf18("3","4","1","3","1","7","1") = "6"
    & skf18("3","4","1","3","1","8","1") = "7"
    & skf18("3","4","1","3","1","9","1") = "8"
    & skf18("3","4","1","3","1","10","1") = "9"
    & skf18("3","4","1","3","2","1","1") = "3"
    & skf18("3","4","1","3","2","2","1") = "3"
    & skf18("3","4","1","3","2","3","1") = "3"
    & skf18("3","4","1","3","2","4","1") = "3"
    & skf18("3","4","1","3","2","5","1") = "4"
    & skf18("3","4","1","3","2","6","1") = "5"
    & skf18("3","4","1","3","2","7","1") = "6"
    & skf18("3","4","1","3","2","8","1") = "7"
    & skf18("3","4","1","3","2","9","1") = "8"
    & skf18("3","4","1","3","2","10","1") = "9"
    & skf18("3","4","1","3","3","1","1") = "3"
    & skf18("3","4","1","3","3","2","1") = "3"
    & skf18("3","4","1","3","3","3","1") = "3"
    & skf18("3","4","1","3","3","4","1") = "3"
    & skf18("3","4","1","3","3","5","1") = "4"
    & skf18("3","4","1","3","3","6","1") = "5"
    & skf18("3","4","1","3","3","7","1") = "6"
    & skf18("3","4","1","3","3","8","1") = "7"
    & skf18("3","4","1","3","3","9","1") = "8"
    & skf18("3","4","1","3","3","10","1") = "9"
    & skf18("3","4","1","3","4","1","1") = "3"
    & skf18("3","4","1","3","4","2","1") = "3"
    & skf18("3","4","1","3","4","3","1") = "3"
    & skf18("3","4","1","3","4","4","1") = "3"
    & skf18("3","4","1","3","4","5","1") = "4"
    & skf18("3","4","1","3","4","6","1") = "5"
    & skf18("3","4","1","3","4","7","1") = "6"
    & skf18("3","4","1","3","4","8","1") = "7"
    & skf18("3","4","1","3","4","9","1") = "8"
    & skf18("3","4","1","3","4","10","1") = "9"
    & skf18("3","4","1","3","5","1","1") = "4"
    & skf18("3","4","1","3","5","2","1") = "4"
    & skf18("3","4","1","3","5","3","1") = "4"
    & skf18("3","4","1","3","5","4","1") = "4"
    & skf18("3","4","1","3","5","5","1") = "4"
    & skf18("3","4","1","3","5","6","1") = "5"
    & skf18("3","4","1","3","5","7","1") = "6"
    & skf18("3","4","1","3","5","8","1") = "7"
    & skf18("3","4","1","3","5","9","1") = "8"
    & skf18("3","4","1","3","5","10","1") = "9"
    & skf18("3","4","1","3","6","1","1") = "5"
    & skf18("3","4","1","3","6","2","1") = "5"
    & skf18("3","4","1","3","6","3","1") = "5"
    & skf18("3","4","1","3","6","4","1") = "5"
    & skf18("3","4","1","3","6","5","1") = "5"
    & skf18("3","4","1","3","6","6","1") = "5"
    & skf18("3","4","1","3","6","7","1") = "6"
    & skf18("3","4","1","3","6","8","1") = "7"
    & skf18("3","4","1","3","6","9","1") = "8"
    & skf18("3","4","1","3","6","10","1") = "9"
    & skf18("3","4","1","3","7","1","1") = "6"
    & skf18("3","4","1","3","7","2","1") = "6"
    & skf18("3","4","1","3","7","3","1") = "6"
    & skf18("3","4","1","3","7","4","1") = "6"
    & skf18("3","4","1","3","7","5","1") = "6"
    & skf18("3","4","1","3","7","6","1") = "6"
    & skf18("3","4","1","3","7","7","1") = "6"
    & skf18("3","4","1","3","7","8","1") = "7"
    & skf18("3","4","1","3","7","9","1") = "8"
    & skf18("3","4","1","3","7","10","1") = "9"
    & skf18("3","4","1","3","8","1","1") = "7"
    & skf18("3","4","1","3","8","2","1") = "7"
    & skf18("3","4","1","3","8","3","1") = "7"
    & skf18("3","4","1","3","8","4","1") = "7"
    & skf18("3","4","1","3","8","5","1") = "7"
    & skf18("3","4","1","3","8","6","1") = "7"
    & skf18("3","4","1","3","8","7","1") = "7"
    & skf18("3","4","1","3","8","8","1") = "7"
    & skf18("3","4","1","3","8","9","1") = "8"
    & skf18("3","4","1","3","8","10","1") = "9"
    & skf18("3","4","1","3","9","1","1") = "8"
    & skf18("3","4","1","3","9","2","1") = "8"
    & skf18("3","4","1","3","9","3","1") = "8"
    & skf18("3","4","1","3","9","4","1") = "8"
    & skf18("3","4","1","3","9","5","1") = "8"
    & skf18("3","4","1","3","9","6","1") = "8"
    & skf18("3","4","1","3","9","7","1") = "8"
    & skf18("3","4","1","3","9","8","1") = "8"
    & skf18("3","4","1","3","9","9","1") = "8"
    & skf18("3","4","1","3","9","10","1") = "9"
    & skf18("3","4","1","3","10","1","1") = "9"
    & skf18("3","4","1","3","10","2","1") = "9"
    & skf18("3","4","1","3","10","3","1") = "9"
    & skf18("3","4","1","3","10","4","1") = "9"
    & skf18("3","4","1","3","10","5","1") = "9"
    & skf18("3","4","1","3","10","6","1") = "9"
    & skf18("3","4","1","3","10","7","1") = "9"
    & skf18("3","4","1","3","10","8","1") = "9"
    & skf18("3","4","1","3","10","9","1") = "9"
    & skf18("3","4","1","3","10","10","1") = "9"
    & skf18("3","4","1","4","1","1","1") = "3"
    & skf18("3","4","1","4","1","2","1") = "3"
    & skf18("3","4","1","4","1","3","1") = "3"
    & skf18("3","4","1","4","1","4","1") = "3"
    & skf18("3","4","1","4","1","5","1") = "4"
    & skf18("3","4","1","4","1","6","1") = "5"
    & skf18("3","4","1","4","1","7","1") = "6"
    & skf18("3","4","1","4","1","8","1") = "7"
    & skf18("3","4","1","4","1","9","1") = "8"
    & skf18("3","4","1","4","1","10","1") = "9"
    & skf18("3","4","1","4","2","1","1") = "3"
    & skf18("3","4","1","4","2","2","1") = "3"
    & skf18("3","4","1","4","2","3","1") = "3"
    & skf18("3","4","1","4","2","4","1") = "3"
    & skf18("3","4","1","4","2","5","1") = "4"
    & skf18("3","4","1","4","2","6","1") = "5"
    & skf18("3","4","1","4","2","7","1") = "6"
    & skf18("3","4","1","4","2","8","1") = "7"
    & skf18("3","4","1","4","2","9","1") = "8"
    & skf18("3","4","1","4","2","10","1") = "9"
    & skf18("3","4","1","4","3","1","1") = "3"
    & skf18("3","4","1","4","3","2","1") = "3"
    & skf18("3","4","1","4","3","3","1") = "3"
    & skf18("3","4","1","4","3","4","1") = "3"
    & skf18("3","4","1","4","3","5","1") = "4"
    & skf18("3","4","1","4","3","6","1") = "5"
    & skf18("3","4","1","4","3","7","1") = "6"
    & skf18("3","4","1","4","3","8","1") = "7"
    & skf18("3","4","1","4","3","9","1") = "8"
    & skf18("3","4","1","4","3","10","1") = "9"
    & skf18("3","4","1","4","4","1","1") = "3"
    & skf18("3","4","1","4","4","2","1") = "3"
    & skf18("3","4","1","4","4","3","1") = "3"
    & skf18("3","4","1","4","4","4","1") = "3"
    & skf18("3","4","1","4","4","5","1") = "4"
    & skf18("3","4","1","4","4","6","1") = "5"
    & skf18("3","4","1","4","4","7","1") = "6"
    & skf18("3","4","1","4","4","8","1") = "7"
    & skf18("3","4","1","4","4","9","1") = "8"
    & skf18("3","4","1","4","4","10","1") = "9"
    & skf18("3","4","1","4","5","1","1") = "4"
    & skf18("3","4","1","4","5","2","1") = "4"
    & skf18("3","4","1","4","5","3","1") = "4"
    & skf18("3","4","1","4","5","4","1") = "4"
    & skf18("3","4","1","4","5","5","1") = "4"
    & skf18("3","4","1","4","5","6","1") = "5"
    & skf18("3","4","1","4","5","7","1") = "6"
    & skf18("3","4","1","4","5","8","1") = "7"
    & skf18("3","4","1","4","5","9","1") = "8"
    & skf18("3","4","1","4","5","10","1") = "9"
    & skf18("3","4","1","4","6","1","1") = "5"
    & skf18("3","4","1","4","6","2","1") = "5"
    & skf18("3","4","1","4","6","3","1") = "5"
    & skf18("3","4","1","4","6","4","1") = "5"
    & skf18("3","4","1","4","6","5","1") = "5"
    & skf18("3","4","1","4","6","6","1") = "5"
    & skf18("3","4","1","4","6","7","1") = "6"
    & skf18("3","4","1","4","6","8","1") = "7"
    & skf18("3","4","1","4","6","9","1") = "8"
    & skf18("3","4","1","4","6","10","1") = "9"
    & skf18("3","4","1","4","7","1","1") = "6"
    & skf18("3","4","1","4","7","2","1") = "6"
    & skf18("3","4","1","4","7","3","1") = "6"
    & skf18("3","4","1","4","7","4","1") = "6"
    & skf18("3","4","1","4","7","5","1") = "6"
    & skf18("3","4","1","4","7","6","1") = "6"
    & skf18("3","4","1","4","7","7","1") = "6"
    & skf18("3","4","1","4","7","8","1") = "7"
    & skf18("3","4","1","4","7","9","1") = "8"
    & skf18("3","4","1","4","7","10","1") = "9"
    & skf18("3","4","1","4","8","1","1") = "7"
    & skf18("3","4","1","4","8","2","1") = "7"
    & skf18("3","4","1","4","8","3","1") = "7"
    & skf18("3","4","1","4","8","4","1") = "7"
    & skf18("3","4","1","4","8","5","1") = "7"
    & skf18("3","4","1","4","8","6","1") = "7"
    & skf18("3","4","1","4","8","7","1") = "7"
    & skf18("3","4","1","4","8","8","1") = "7"
    & skf18("3","4","1","4","8","9","1") = "8"
    & skf18("3","4","1","4","8","10","1") = "9"
    & skf18("3","4","1","4","9","1","1") = "8"
    & skf18("3","4","1","4","9","2","1") = "8"
    & skf18("3","4","1","4","9","3","1") = "8"
    & skf18("3","4","1","4","9","4","1") = "8"
    & skf18("3","4","1","4","9","5","1") = "8"
    & skf18("3","4","1","4","9","6","1") = "8"
    & skf18("3","4","1","4","9","7","1") = "8"
    & skf18("3","4","1","4","9","8","1") = "8"
    & skf18("3","4","1","4","9","9","1") = "8"
    & skf18("3","4","1","4","9","10","1") = "9"
    & skf18("3","4","1","4","10","1","1") = "9"
    & skf18("3","4","1","4","10","2","1") = "9"
    & skf18("3","4","1","4","10","3","1") = "9"
    & skf18("3","4","1","4","10","4","1") = "9"
    & skf18("3","4","1","4","10","5","1") = "9"
    & skf18("3","4","1","4","10","6","1") = "9"
    & skf18("3","4","1","4","10","7","1") = "9"
    & skf18("3","4","1","4","10","8","1") = "9"
    & skf18("3","4","1","4","10","9","1") = "9"
    & skf18("3","4","1","4","10","10","1") = "9"
    & skf18("3","4","1","5","1","1","1") = "4"
    & skf18("3","4","1","5","1","2","1") = "4"
    & skf18("3","4","1","5","1","3","1") = "4"
    & skf18("3","4","1","5","1","4","1") = "4"
    & skf18("3","4","1","5","1","5","1") = "4"
    & skf18("3","4","1","5","1","6","1") = "5"
    & skf18("3","4","1","5","1","7","1") = "6"
    & skf18("3","4","1","5","1","8","1") = "7"
    & skf18("3","4","1","5","1","9","1") = "8"
    & skf18("3","4","1","5","1","10","1") = "9"
    & skf18("3","4","1","5","2","1","1") = "4"
    & skf18("3","4","1","5","2","2","1") = "4"
    & skf18("3","4","1","5","2","3","1") = "4"
    & skf18("3","4","1","5","2","4","1") = "4"
    & skf18("3","4","1","5","2","5","1") = "4"
    & skf18("3","4","1","5","2","6","1") = "5"
    & skf18("3","4","1","5","2","7","1") = "6"
    & skf18("3","4","1","5","2","8","1") = "7"
    & skf18("3","4","1","5","2","9","1") = "8"
    & skf18("3","4","1","5","2","10","1") = "9"
    & skf18("3","4","1","5","3","1","1") = "4"
    & skf18("3","4","1","5","3","2","1") = "4"
    & skf18("3","4","1","5","3","3","1") = "4"
    & skf18("3","4","1","5","3","4","1") = "4"
    & skf18("3","4","1","5","3","5","1") = "4"
    & skf18("3","4","1","5","3","6","1") = "5"
    & skf18("3","4","1","5","3","7","1") = "6"
    & skf18("3","4","1","5","3","8","1") = "7"
    & skf18("3","4","1","5","3","9","1") = "8"
    & skf18("3","4","1","5","3","10","1") = "9"
    & skf18("3","4","1","5","4","1","1") = "4"
    & skf18("3","4","1","5","4","2","1") = "4"
    & skf18("3","4","1","5","4","3","1") = "4"
    & skf18("3","4","1","5","4","4","1") = "4"
    & skf18("3","4","1","5","4","5","1") = "4"
    & skf18("3","4","1","5","4","6","1") = "5"
    & skf18("3","4","1","5","4","7","1") = "6"
    & skf18("3","4","1","5","4","8","1") = "7"
    & skf18("3","4","1","5","4","9","1") = "8"
    & skf18("3","4","1","5","4","10","1") = "9"
    & skf18("3","4","1","5","5","1","1") = "4"
    & skf18("3","4","1","5","5","2","1") = "4"
    & skf18("3","4","1","5","5","3","1") = "4"
    & skf18("3","4","1","5","5","4","1") = "4"
    & skf18("3","4","1","5","5","5","1") = "4"
    & skf18("3","4","1","5","5","6","1") = "5"
    & skf18("3","4","1","5","5","7","1") = "6"
    & skf18("3","4","1","5","5","8","1") = "7"
    & skf18("3","4","1","5","5","9","1") = "8"
    & skf18("3","4","1","5","5","10","1") = "9"
    & skf18("3","4","1","5","6","1","1") = "5"
    & skf18("3","4","1","5","6","2","1") = "5"
    & skf18("3","4","1","5","6","3","1") = "5"
    & skf18("3","4","1","5","6","4","1") = "5"
    & skf18("3","4","1","5","6","5","1") = "5"
    & skf18("3","4","1","5","6","6","1") = "5"
    & skf18("3","4","1","5","6","7","1") = "6"
    & skf18("3","4","1","5","6","8","1") = "7"
    & skf18("3","4","1","5","6","9","1") = "8"
    & skf18("3","4","1","5","6","10","1") = "9"
    & skf18("3","4","1","5","7","1","1") = "6"
    & skf18("3","4","1","5","7","2","1") = "6"
    & skf18("3","4","1","5","7","3","1") = "6"
    & skf18("3","4","1","5","7","4","1") = "6"
    & skf18("3","4","1","5","7","5","1") = "6"
    & skf18("3","4","1","5","7","6","1") = "6"
    & skf18("3","4","1","5","7","7","1") = "6"
    & skf18("3","4","1","5","7","8","1") = "7"
    & skf18("3","4","1","5","7","9","1") = "8"
    & skf18("3","4","1","5","7","10","1") = "9"
    & skf18("3","4","1","5","8","1","1") = "7"
    & skf18("3","4","1","5","8","2","1") = "7"
    & skf18("3","4","1","5","8","3","1") = "7"
    & skf18("3","4","1","5","8","4","1") = "7"
    & skf18("3","4","1","5","8","5","1") = "7"
    & skf18("3","4","1","5","8","6","1") = "7"
    & skf18("3","4","1","5","8","7","1") = "7"
    & skf18("3","4","1","5","8","8","1") = "7"
    & skf18("3","4","1","5","8","9","1") = "8"
    & skf18("3","4","1","5","8","10","1") = "9"
    & skf18("3","4","1","5","9","1","1") = "8"
    & skf18("3","4","1","5","9","2","1") = "8"
    & skf18("3","4","1","5","9","3","1") = "8"
    & skf18("3","4","1","5","9","4","1") = "8"
    & skf18("3","4","1","5","9","5","1") = "8"
    & skf18("3","4","1","5","9","6","1") = "8"
    & skf18("3","4","1","5","9","7","1") = "8"
    & skf18("3","4","1","5","9","8","1") = "8"
    & skf18("3","4","1","5","9","9","1") = "8"
    & skf18("3","4","1","5","9","10","1") = "9"
    & skf18("3","4","1","5","10","1","1") = "9"
    & skf18("3","4","1","5","10","2","1") = "9"
    & skf18("3","4","1","5","10","3","1") = "9"
    & skf18("3","4","1","5","10","4","1") = "9"
    & skf18("3","4","1","5","10","5","1") = "9"
    & skf18("3","4","1","5","10","6","1") = "9"
    & skf18("3","4","1","5","10","7","1") = "9"
    & skf18("3","4","1","5","10","8","1") = "9"
    & skf18("3","4","1","5","10","9","1") = "9"
    & skf18("3","4","1","5","10","10","1") = "9"
    & skf18("3","4","1","6","1","1","1") = "5"
    & skf18("3","4","1","6","1","2","1") = "5"
    & skf18("3","4","1","6","1","3","1") = "5"
    & skf18("3","4","1","6","1","4","1") = "5"
    & skf18("3","4","1","6","1","5","1") = "5"
    & skf18("3","4","1","6","1","6","1") = "5"
    & skf18("3","4","1","6","1","7","1") = "6"
    & skf18("3","4","1","6","1","8","1") = "7"
    & skf18("3","4","1","6","1","9","1") = "8"
    & skf18("3","4","1","6","1","10","1") = "9"
    & skf18("3","4","1","6","2","1","1") = "5"
    & skf18("3","4","1","6","2","2","1") = "5"
    & skf18("3","4","1","6","2","3","1") = "5"
    & skf18("3","4","1","6","2","4","1") = "5"
    & skf18("3","4","1","6","2","5","1") = "5"
    & skf18("3","4","1","6","2","6","1") = "5"
    & skf18("3","4","1","6","2","7","1") = "6"
    & skf18("3","4","1","6","2","8","1") = "7"
    & skf18("3","4","1","6","2","9","1") = "8"
    & skf18("3","4","1","6","2","10","1") = "9"
    & skf18("3","4","1","6","3","1","1") = "5"
    & skf18("3","4","1","6","3","2","1") = "5"
    & skf18("3","4","1","6","3","3","1") = "5"
    & skf18("3","4","1","6","3","4","1") = "5"
    & skf18("3","4","1","6","3","5","1") = "5"
    & skf18("3","4","1","6","3","6","1") = "5"
    & skf18("3","4","1","6","3","7","1") = "6"
    & skf18("3","4","1","6","3","8","1") = "7"
    & skf18("3","4","1","6","3","9","1") = "8"
    & skf18("3","4","1","6","3","10","1") = "9"
    & skf18("3","4","1","6","4","1","1") = "5"
    & skf18("3","4","1","6","4","2","1") = "5"
    & skf18("3","4","1","6","4","3","1") = "5"
    & skf18("3","4","1","6","4","4","1") = "5"
    & skf18("3","4","1","6","4","5","1") = "5"
    & skf18("3","4","1","6","4","6","1") = "5"
    & skf18("3","4","1","6","4","7","1") = "6"
    & skf18("3","4","1","6","4","8","1") = "7"
    & skf18("3","4","1","6","4","9","1") = "8"
    & skf18("3","4","1","6","4","10","1") = "9"
    & skf18("3","4","1","6","5","1","1") = "5"
    & skf18("3","4","1","6","5","2","1") = "5"
    & skf18("3","4","1","6","5","3","1") = "5"
    & skf18("3","4","1","6","5","4","1") = "5"
    & skf18("3","4","1","6","5","5","1") = "5"
    & skf18("3","4","1","6","5","6","1") = "5"
    & skf18("3","4","1","6","5","7","1") = "6"
    & skf18("3","4","1","6","5","8","1") = "7"
    & skf18("3","4","1","6","5","9","1") = "8"
    & skf18("3","4","1","6","5","10","1") = "9"
    & skf18("3","4","1","6","6","1","1") = "5"
    & skf18("3","4","1","6","6","2","1") = "5"
    & skf18("3","4","1","6","6","3","1") = "5"
    & skf18("3","4","1","6","6","4","1") = "5"
    & skf18("3","4","1","6","6","5","1") = "5"
    & skf18("3","4","1","6","6","6","1") = "5"
    & skf18("3","4","1","6","6","7","1") = "6"
    & skf18("3","4","1","6","6","8","1") = "7"
    & skf18("3","4","1","6","6","9","1") = "8"
    & skf18("3","4","1","6","6","10","1") = "9"
    & skf18("3","4","1","6","7","1","1") = "6"
    & skf18("3","4","1","6","7","2","1") = "6"
    & skf18("3","4","1","6","7","3","1") = "6"
    & skf18("3","4","1","6","7","4","1") = "6"
    & skf18("3","4","1","6","7","5","1") = "6"
    & skf18("3","4","1","6","7","6","1") = "6"
    & skf18("3","4","1","6","7","7","1") = "6"
    & skf18("3","4","1","6","7","8","1") = "7"
    & skf18("3","4","1","6","7","9","1") = "8"
    & skf18("3","4","1","6","7","10","1") = "9"
    & skf18("3","4","1","6","8","1","1") = "7"
    & skf18("3","4","1","6","8","2","1") = "7"
    & skf18("3","4","1","6","8","3","1") = "7"
    & skf18("3","4","1","6","8","4","1") = "7"
    & skf18("3","4","1","6","8","5","1") = "7"
    & skf18("3","4","1","6","8","6","1") = "7"
    & skf18("3","4","1","6","8","7","1") = "7"
    & skf18("3","4","1","6","8","8","1") = "7"
    & skf18("3","4","1","6","8","9","1") = "8"
    & skf18("3","4","1","6","8","10","1") = "9"
    & skf18("3","4","1","6","9","1","1") = "8"
    & skf18("3","4","1","6","9","2","1") = "8"
    & skf18("3","4","1","6","9","3","1") = "8"
    & skf18("3","4","1","6","9","4","1") = "8"
    & skf18("3","4","1","6","9","5","1") = "8"
    & skf18("3","4","1","6","9","6","1") = "8"
    & skf18("3","4","1","6","9","7","1") = "8"
    & skf18("3","4","1","6","9","8","1") = "8"
    & skf18("3","4","1","6","9","9","1") = "8"
    & skf18("3","4","1","6","9","10","1") = "9"
    & skf18("3","4","1","6","10","1","1") = "9"
    & skf18("3","4","1","6","10","2","1") = "9"
    & skf18("3","4","1","6","10","3","1") = "9"
    & skf18("3","4","1","6","10","4","1") = "9"
    & skf18("3","4","1","6","10","5","1") = "9"
    & skf18("3","4","1","6","10","6","1") = "9"
    & skf18("3","4","1","6","10","7","1") = "9"
    & skf18("3","4","1","6","10","8","1") = "9"
    & skf18("3","4","1","6","10","9","1") = "9"
    & skf18("3","4","1","6","10","10","1") = "9"
    & skf18("3","4","1","7","1","1","1") = "6"
    & skf18("3","4","1","7","1","2","1") = "6"
    & skf18("3","4","1","7","1","3","1") = "6"
    & skf18("3","4","1","7","1","4","1") = "6"
    & skf18("3","4","1","7","1","5","1") = "6"
    & skf18("3","4","1","7","1","6","1") = "6"
    & skf18("3","4","1","7","1","7","1") = "6"
    & skf18("3","4","1","7","1","8","1") = "7"
    & skf18("3","4","1","7","1","9","1") = "8"
    & skf18("3","4","1","7","1","10","1") = "9"
    & skf18("3","4","1","7","2","1","1") = "6"
    & skf18("3","4","1","7","2","2","1") = "6"
    & skf18("3","4","1","7","2","3","1") = "6"
    & skf18("3","4","1","7","2","4","1") = "6"
    & skf18("3","4","1","7","2","5","1") = "6"
    & skf18("3","4","1","7","2","6","1") = "6"
    & skf18("3","4","1","7","2","7","1") = "6"
    & skf18("3","4","1","7","2","8","1") = "7"
    & skf18("3","4","1","7","2","9","1") = "8"
    & skf18("3","4","1","7","2","10","1") = "9"
    & skf18("3","4","1","7","3","1","1") = "6"
    & skf18("3","4","1","7","3","2","1") = "6"
    & skf18("3","4","1","7","3","3","1") = "6"
    & skf18("3","4","1","7","3","4","1") = "6"
    & skf18("3","4","1","7","3","5","1") = "6"
    & skf18("3","4","1","7","3","6","1") = "6"
    & skf18("3","4","1","7","3","7","1") = "6"
    & skf18("3","4","1","7","3","8","1") = "7"
    & skf18("3","4","1","7","3","9","1") = "8"
    & skf18("3","4","1","7","3","10","1") = "9"
    & skf18("3","4","1","7","4","1","1") = "6"
    & skf18("3","4","1","7","4","2","1") = "6"
    & skf18("3","4","1","7","4","3","1") = "6"
    & skf18("3","4","1","7","4","4","1") = "6"
    & skf18("3","4","1","7","4","5","1") = "6"
    & skf18("3","4","1","7","4","6","1") = "6"
    & skf18("3","4","1","7","4","7","1") = "6"
    & skf18("3","4","1","7","4","8","1") = "7"
    & skf18("3","4","1","7","4","9","1") = "8"
    & skf18("3","4","1","7","4","10","1") = "9"
    & skf18("3","4","1","7","5","1","1") = "6"
    & skf18("3","4","1","7","5","2","1") = "6"
    & skf18("3","4","1","7","5","3","1") = "6"
    & skf18("3","4","1","7","5","4","1") = "6"
    & skf18("3","4","1","7","5","5","1") = "6"
    & skf18("3","4","1","7","5","6","1") = "6"
    & skf18("3","4","1","7","5","7","1") = "6"
    & skf18("3","4","1","7","5","8","1") = "7"
    & skf18("3","4","1","7","5","9","1") = "8"
    & skf18("3","4","1","7","5","10","1") = "9"
    & skf18("3","4","1","7","6","1","1") = "6"
    & skf18("3","4","1","7","6","2","1") = "6"
    & skf18("3","4","1","7","6","3","1") = "6"
    & skf18("3","4","1","7","6","4","1") = "6"
    & skf18("3","4","1","7","6","5","1") = "6"
    & skf18("3","4","1","7","6","6","1") = "6"
    & skf18("3","4","1","7","6","7","1") = "6"
    & skf18("3","4","1","7","6","8","1") = "7"
    & skf18("3","4","1","7","6","9","1") = "8"
    & skf18("3","4","1","7","6","10","1") = "9"
    & skf18("3","4","1","7","7","1","1") = "6"
    & skf18("3","4","1","7","7","2","1") = "6"
    & skf18("3","4","1","7","7","3","1") = "6"
    & skf18("3","4","1","7","7","4","1") = "6"
    & skf18("3","4","1","7","7","5","1") = "6"
    & skf18("3","4","1","7","7","6","1") = "6"
    & skf18("3","4","1","7","7","7","1") = "6"
    & skf18("3","4","1","7","7","8","1") = "7"
    & skf18("3","4","1","7","7","9","1") = "8"
    & skf18("3","4","1","7","7","10","1") = "9"
    & skf18("3","4","1","7","8","1","1") = "7"
    & skf18("3","4","1","7","8","2","1") = "7"
    & skf18("3","4","1","7","8","3","1") = "7"
    & skf18("3","4","1","7","8","4","1") = "7"
    & skf18("3","4","1","7","8","5","1") = "7"
    & skf18("3","4","1","7","8","6","1") = "7"
    & skf18("3","4","1","7","8","7","1") = "7"
    & skf18("3","4","1","7","8","8","1") = "7"
    & skf18("3","4","1","7","8","9","1") = "8"
    & skf18("3","4","1","7","8","10","1") = "9"
    & skf18("3","4","1","7","9","1","1") = "8"
    & skf18("3","4","1","7","9","2","1") = "8"
    & skf18("3","4","1","7","9","3","1") = "8"
    & skf18("3","4","1","7","9","4","1") = "8"
    & skf18("3","4","1","7","9","5","1") = "8"
    & skf18("3","4","1","7","9","6","1") = "8"
    & skf18("3","4","1","7","9","7","1") = "8"
    & skf18("3","4","1","7","9","8","1") = "8"
    & skf18("3","4","1","7","9","9","1") = "8"
    & skf18("3","4","1","7","9","10","1") = "9"
    & skf18("3","4","1","7","10","1","1") = "9"
    & skf18("3","4","1","7","10","2","1") = "9"
    & skf18("3","4","1","7","10","3","1") = "9"
    & skf18("3","4","1","7","10","4","1") = "9"
    & skf18("3","4","1","7","10","5","1") = "9"
    & skf18("3","4","1","7","10","6","1") = "9"
    & skf18("3","4","1","7","10","7","1") = "9"
    & skf18("3","4","1","7","10","8","1") = "9"
    & skf18("3","4","1","7","10","9","1") = "9"
    & skf18("3","4","1","7","10","10","1") = "9"
    & skf18("3","4","1","8","1","1","1") = "7"
    & skf18("3","4","1","8","1","2","1") = "7"
    & skf18("3","4","1","8","1","3","1") = "7"
    & skf18("3","4","1","8","1","4","1") = "7"
    & skf18("3","4","1","8","1","5","1") = "7"
    & skf18("3","4","1","8","1","6","1") = "7"
    & skf18("3","4","1","8","1","7","1") = "7"
    & skf18("3","4","1","8","1","8","1") = "7"
    & skf18("3","4","1","8","1","9","1") = "8"
    & skf18("3","4","1","8","1","10","1") = "9"
    & skf18("3","4","1","8","2","1","1") = "7"
    & skf18("3","4","1","8","2","2","1") = "7"
    & skf18("3","4","1","8","2","3","1") = "7"
    & skf18("3","4","1","8","2","4","1") = "7"
    & skf18("3","4","1","8","2","5","1") = "7"
    & skf18("3","4","1","8","2","6","1") = "7"
    & skf18("3","4","1","8","2","7","1") = "7"
    & skf18("3","4","1","8","2","8","1") = "7"
    & skf18("3","4","1","8","2","9","1") = "8"
    & skf18("3","4","1","8","2","10","1") = "9"
    & skf18("3","4","1","8","3","1","1") = "7"
    & skf18("3","4","1","8","3","2","1") = "7"
    & skf18("3","4","1","8","3","3","1") = "7"
    & skf18("3","4","1","8","3","4","1") = "7"
    & skf18("3","4","1","8","3","5","1") = "7"
    & skf18("3","4","1","8","3","6","1") = "7"
    & skf18("3","4","1","8","3","7","1") = "7"
    & skf18("3","4","1","8","3","8","1") = "7"
    & skf18("3","4","1","8","3","9","1") = "8"
    & skf18("3","4","1","8","3","10","1") = "9"
    & skf18("3","4","1","8","4","1","1") = "7"
    & skf18("3","4","1","8","4","2","1") = "7"
    & skf18("3","4","1","8","4","3","1") = "7"
    & skf18("3","4","1","8","4","4","1") = "7"
    & skf18("3","4","1","8","4","5","1") = "7"
    & skf18("3","4","1","8","4","6","1") = "7"
    & skf18("3","4","1","8","4","7","1") = "7"
    & skf18("3","4","1","8","4","8","1") = "7"
    & skf18("3","4","1","8","4","9","1") = "8"
    & skf18("3","4","1","8","4","10","1") = "9"
    & skf18("3","4","1","8","5","1","1") = "7"
    & skf18("3","4","1","8","5","2","1") = "7"
    & skf18("3","4","1","8","5","3","1") = "7"
    & skf18("3","4","1","8","5","4","1") = "7"
    & skf18("3","4","1","8","5","5","1") = "7"
    & skf18("3","4","1","8","5","6","1") = "7"
    & skf18("3","4","1","8","5","7","1") = "7"
    & skf18("3","4","1","8","5","8","1") = "7"
    & skf18("3","4","1","8","5","9","1") = "8"
    & skf18("3","4","1","8","5","10","1") = "9"
    & skf18("3","4","1","8","6","1","1") = "7"
    & skf18("3","4","1","8","6","2","1") = "7"
    & skf18("3","4","1","8","6","3","1") = "7"
    & skf18("3","4","1","8","6","4","1") = "7"
    & skf18("3","4","1","8","6","5","1") = "7"
    & skf18("3","4","1","8","6","6","1") = "7"
    & skf18("3","4","1","8","6","7","1") = "7"
    & skf18("3","4","1","8","6","8","1") = "7"
    & skf18("3","4","1","8","6","9","1") = "8"
    & skf18("3","4","1","8","6","10","1") = "9"
    & skf18("3","4","1","8","7","1","1") = "7"
    & skf18("3","4","1","8","7","2","1") = "7"
    & skf18("3","4","1","8","7","3","1") = "7"
    & skf18("3","4","1","8","7","4","1") = "7"
    & skf18("3","4","1","8","7","5","1") = "7"
    & skf18("3","4","1","8","7","6","1") = "7"
    & skf18("3","4","1","8","7","7","1") = "7"
    & skf18("3","4","1","8","7","8","1") = "7"
    & skf18("3","4","1","8","7","9","1") = "8"
    & skf18("3","4","1","8","7","10","1") = "9"
    & skf18("3","4","1","8","8","1","1") = "7"
    & skf18("3","4","1","8","8","2","1") = "7"
    & skf18("3","4","1","8","8","3","1") = "7"
    & skf18("3","4","1","8","8","4","1") = "7"
    & skf18("3","4","1","8","8","5","1") = "7"
    & skf18("3","4","1","8","8","6","1") = "7"
    & skf18("3","4","1","8","8","7","1") = "7"
    & skf18("3","4","1","8","8","8","1") = "7"
    & skf18("3","4","1","8","8","9","1") = "8"
    & skf18("3","4","1","8","8","10","1") = "9"
    & skf18("3","4","1","8","9","1","1") = "8"
    & skf18("3","4","1","8","9","2","1") = "8"
    & skf18("3","4","1","8","9","3","1") = "8"
    & skf18("3","4","1","8","9","4","1") = "8"
    & skf18("3","4","1","8","9","5","1") = "8"
    & skf18("3","4","1","8","9","6","1") = "8"
    & skf18("3","4","1","8","9","7","1") = "8"
    & skf18("3","4","1","8","9","8","1") = "8"
    & skf18("3","4","1","8","9","9","1") = "8"
    & skf18("3","4","1","8","9","10","1") = "9"
    & skf18("3","4","1","8","10","1","1") = "9"
    & skf18("3","4","1","8","10","2","1") = "9"
    & skf18("3","4","1","8","10","3","1") = "9"
    & skf18("3","4","1","8","10","4","1") = "9"
    & skf18("3","4","1","8","10","5","1") = "9"
    & skf18("3","4","1","8","10","6","1") = "9"
    & skf18("3","4","1","8","10","7","1") = "9"
    & skf18("3","4","1","8","10","8","1") = "9"
    & skf18("3","4","1","8","10","9","1") = "9"
    & skf18("3","4","1","8","10","10","1") = "9"
    & skf18("3","4","1","9","1","1","1") = "8"
    & skf18("3","4","1","9","1","2","1") = "8"
    & skf18("3","4","1","9","1","3","1") = "8"
    & skf18("3","4","1","9","1","4","1") = "8"
    & skf18("3","4","1","9","1","5","1") = "8"
    & skf18("3","4","1","9","1","6","1") = "8"
    & skf18("3","4","1","9","1","7","1") = "8"
    & skf18("3","4","1","9","1","8","1") = "8"
    & skf18("3","4","1","9","1","9","1") = "8"
    & skf18("3","4","1","9","1","10","1") = "9"
    & skf18("3","4","1","9","2","1","1") = "8"
    & skf18("3","4","1","9","2","2","1") = "8"
    & skf18("3","4","1","9","2","3","1") = "8"
    & skf18("3","4","1","9","2","4","1") = "8"
    & skf18("3","4","1","9","2","5","1") = "8"
    & skf18("3","4","1","9","2","6","1") = "8"
    & skf18("3","4","1","9","2","7","1") = "8"
    & skf18("3","4","1","9","2","8","1") = "8"
    & skf18("3","4","1","9","2","9","1") = "8"
    & skf18("3","4","1","9","2","10","1") = "9"
    & skf18("3","4","1","9","3","1","1") = "8"
    & skf18("3","4","1","9","3","2","1") = "8"
    & skf18("3","4","1","9","3","3","1") = "8"
    & skf18("3","4","1","9","3","4","1") = "8"
    & skf18("3","4","1","9","3","5","1") = "8"
    & skf18("3","4","1","9","3","6","1") = "8"
    & skf18("3","4","1","9","3","7","1") = "8"
    & skf18("3","4","1","9","3","8","1") = "8"
    & skf18("3","4","1","9","3","9","1") = "8"
    & skf18("3","4","1","9","3","10","1") = "9"
    & skf18("3","4","1","9","4","1","1") = "8"
    & skf18("3","4","1","9","4","2","1") = "8"
    & skf18("3","4","1","9","4","3","1") = "8"
    & skf18("3","4","1","9","4","4","1") = "8"
    & skf18("3","4","1","9","4","5","1") = "8"
    & skf18("3","4","1","9","4","6","1") = "8"
    & skf18("3","4","1","9","4","7","1") = "8"
    & skf18("3","4","1","9","4","8","1") = "8"
    & skf18("3","4","1","9","4","9","1") = "8"
    & skf18("3","4","1","9","4","10","1") = "9"
    & skf18("3","4","1","9","5","1","1") = "8"
    & skf18("3","4","1","9","5","2","1") = "8"
    & skf18("3","4","1","9","5","3","1") = "8"
    & skf18("3","4","1","9","5","4","1") = "8"
    & skf18("3","4","1","9","5","5","1") = "8"
    & skf18("3","4","1","9","5","6","1") = "8"
    & skf18("3","4","1","9","5","7","1") = "8"
    & skf18("3","4","1","9","5","8","1") = "8"
    & skf18("3","4","1","9","5","9","1") = "8"
    & skf18("3","4","1","9","5","10","1") = "9"
    & skf18("3","4","1","9","6","1","1") = "8"
    & skf18("3","4","1","9","6","2","1") = "8"
    & skf18("3","4","1","9","6","3","1") = "8"
    & skf18("3","4","1","9","6","4","1") = "8"
    & skf18("3","4","1","9","6","5","1") = "8"
    & skf18("3","4","1","9","6","6","1") = "8"
    & skf18("3","4","1","9","6","7","1") = "8"
    & skf18("3","4","1","9","6","8","1") = "8"
    & skf18("3","4","1","9","6","9","1") = "8"
    & skf18("3","4","1","9","6","10","1") = "9"
    & skf18("3","4","1","9","7","1","1") = "8"
    & skf18("3","4","1","9","7","2","1") = "8"
    & skf18("3","4","1","9","7","3","1") = "8"
    & skf18("3","4","1","9","7","4","1") = "8"
    & skf18("3","4","1","9","7","5","1") = "8"
    & skf18("3","4","1","9","7","6","1") = "8"
    & skf18("3","4","1","9","7","7","1") = "8"
    & skf18("3","4","1","9","7","8","1") = "8"
    & skf18("3","4","1","9","7","9","1") = "8"
    & skf18("3","4","1","9","7","10","1") = "9"
    & skf18("3","4","1","9","8","1","1") = "8"
    & skf18("3","4","1","9","8","2","1") = "8"
    & skf18("3","4","1","9","8","3","1") = "8"
    & skf18("3","4","1","9","8","4","1") = "8"
    & skf18("3","4","1","9","8","5","1") = "8"
    & skf18("3","4","1","9","8","6","1") = "8"
    & skf18("3","4","1","9","8","7","1") = "8"
    & skf18("3","4","1","9","8","8","1") = "8"
    & skf18("3","4","1","9","8","9","1") = "8"
    & skf18("3","4","1","9","8","10","1") = "9"
    & skf18("3","4","1","9","9","1","1") = "8"
    & skf18("3","4","1","9","9","2","1") = "8"
    & skf18("3","4","1","9","9","3","1") = "8"
    & skf18("3","4","1","9","9","4","1") = "8"
    & skf18("3","4","1","9","9","5","1") = "8"
    & skf18("3","4","1","9","9","6","1") = "8"
    & skf18("3","4","1","9","9","7","1") = "8"
    & skf18("3","4","1","9","9","8","1") = "8"
    & skf18("3","4","1","9","9","9","1") = "8"
    & skf18("3","4","1","9","9","10","1") = "9"
    & skf18("3","4","1","9","10","1","1") = "9"
    & skf18("3","4","1","9","10","2","1") = "9"
    & skf18("3","4","1","9","10","3","1") = "9"
    & skf18("3","4","1","9","10","4","1") = "9"
    & skf18("3","4","1","9","10","5","1") = "9"
    & skf18("3","4","1","9","10","6","1") = "9"
    & skf18("3","4","1","9","10","7","1") = "9"
    & skf18("3","4","1","9","10","8","1") = "9"
    & skf18("3","4","1","9","10","9","1") = "9"
    & skf18("3","4","1","9","10","10","1") = "9"
    & skf18("3","4","1","10","1","1","1") = "9"
    & skf18("3","4","1","10","1","2","1") = "9"
    & skf18("3","4","1","10","1","3","1") = "9"
    & skf18("3","4","1","10","1","4","1") = "9"
    & skf18("3","4","1","10","1","5","1") = "9"
    & skf18("3","4","1","10","1","6","1") = "9"
    & skf18("3","4","1","10","1","7","1") = "9"
    & skf18("3","4","1","10","1","8","1") = "9"
    & skf18("3","4","1","10","1","9","1") = "9"
    & skf18("3","4","1","10","1","10","1") = "9"
    & skf18("3","4","1","10","2","1","1") = "9"
    & skf18("3","4","1","10","2","2","1") = "9"
    & skf18("3","4","1","10","2","3","1") = "9"
    & skf18("3","4","1","10","2","4","1") = "9"
    & skf18("3","4","1","10","2","5","1") = "9"
    & skf18("3","4","1","10","2","6","1") = "9"
    & skf18("3","4","1","10","2","7","1") = "9"
    & skf18("3","4","1","10","2","8","1") = "9"
    & skf18("3","4","1","10","2","9","1") = "9"
    & skf18("3","4","1","10","2","10","1") = "9"
    & skf18("3","4","1","10","3","1","1") = "9"
    & skf18("3","4","1","10","3","2","1") = "9"
    & skf18("3","4","1","10","3","3","1") = "9"
    & skf18("3","4","1","10","3","4","1") = "9"
    & skf18("3","4","1","10","3","5","1") = "9"
    & skf18("3","4","1","10","3","6","1") = "9"
    & skf18("3","4","1","10","3","7","1") = "9"
    & skf18("3","4","1","10","3","8","1") = "9"
    & skf18("3","4","1","10","3","9","1") = "9"
    & skf18("3","4","1","10","3","10","1") = "9"
    & skf18("3","4","1","10","4","1","1") = "9"
    & skf18("3","4","1","10","4","2","1") = "9"
    & skf18("3","4","1","10","4","3","1") = "9"
    & skf18("3","4","1","10","4","4","1") = "9"
    & skf18("3","4","1","10","4","5","1") = "9"
    & skf18("3","4","1","10","4","6","1") = "9"
    & skf18("3","4","1","10","4","7","1") = "9"
    & skf18("3","4","1","10","4","8","1") = "9"
    & skf18("3","4","1","10","4","9","1") = "9"
    & skf18("3","4","1","10","4","10","1") = "9"
    & skf18("3","4","1","10","5","1","1") = "9"
    & skf18("3","4","1","10","5","2","1") = "9"
    & skf18("3","4","1","10","5","3","1") = "9"
    & skf18("3","4","1","10","5","4","1") = "9"
    & skf18("3","4","1","10","5","5","1") = "9"
    & skf18("3","4","1","10","5","6","1") = "9"
    & skf18("3","4","1","10","5","7","1") = "9"
    & skf18("3","4","1","10","5","8","1") = "9"
    & skf18("3","4","1","10","5","9","1") = "9"
    & skf18("3","4","1","10","5","10","1") = "9"
    & skf18("3","4","1","10","6","1","1") = "9"
    & skf18("3","4","1","10","6","2","1") = "9"
    & skf18("3","4","1","10","6","3","1") = "9"
    & skf18("3","4","1","10","6","4","1") = "9"
    & skf18("3","4","1","10","6","5","1") = "9"
    & skf18("3","4","1","10","6","6","1") = "9"
    & skf18("3","4","1","10","6","7","1") = "9"
    & skf18("3","4","1","10","6","8","1") = "9"
    & skf18("3","4","1","10","6","9","1") = "9"
    & skf18("3","4","1","10","6","10","1") = "9"
    & skf18("3","4","1","10","7","1","1") = "9"
    & skf18("3","4","1","10","7","2","1") = "9"
    & skf18("3","4","1","10","7","3","1") = "9"
    & skf18("3","4","1","10","7","4","1") = "9"
    & skf18("3","4","1","10","7","5","1") = "9"
    & skf18("3","4","1","10","7","6","1") = "9"
    & skf18("3","4","1","10","7","7","1") = "9"
    & skf18("3","4","1","10","7","8","1") = "9"
    & skf18("3","4","1","10","7","9","1") = "9"
    & skf18("3","4","1","10","7","10","1") = "9"
    & skf18("3","4","1","10","8","1","1") = "9"
    & skf18("3","4","1","10","8","2","1") = "9"
    & skf18("3","4","1","10","8","3","1") = "9"
    & skf18("3","4","1","10","8","4","1") = "9"
    & skf18("3","4","1","10","8","5","1") = "9"
    & skf18("3","4","1","10","8","6","1") = "9"
    & skf18("3","4","1","10","8","7","1") = "9"
    & skf18("3","4","1","10","8","8","1") = "9"
    & skf18("3","4","1","10","8","9","1") = "9"
    & skf18("3","4","1","10","8","10","1") = "9"
    & skf18("3","4","1","10","9","1","1") = "9"
    & skf18("3","4","1","10","9","2","1") = "9"
    & skf18("3","4","1","10","9","3","1") = "9"
    & skf18("3","4","1","10","9","4","1") = "9"
    & skf18("3","4","1","10","9","5","1") = "9"
    & skf18("3","4","1","10","9","6","1") = "9"
    & skf18("3","4","1","10","9","7","1") = "9"
    & skf18("3","4","1","10","9","8","1") = "9"
    & skf18("3","4","1","10","9","9","1") = "9"
    & skf18("3","4","1","10","9","10","1") = "9"
    & skf18("3","4","1","10","10","1","1") = "9"
    & skf18("3","4","1","10","10","2","1") = "9"
    & skf18("3","4","1","10","10","3","1") = "9"
    & skf18("3","4","1","10","10","4","1") = "9"
    & skf18("3","4","1","10","10","5","1") = "9"
    & skf18("3","4","1","10","10","6","1") = "9"
    & skf18("3","4","1","10","10","7","1") = "9"
    & skf18("3","4","1","10","10","8","1") = "9"
    & skf18("3","4","1","10","10","9","1") = "9"
    & skf18("3","4","1","10","10","10","1") = "9"
    & skf18("3","4","2","1","1","1","1") = "3"
    & skf18("3","4","2","1","1","2","1") = "3"
    & skf18("3","4","2","1","1","3","1") = "3"
    & skf18("3","4","2","1","1","4","1") = "3"
    & skf18("3","4","2","1","1","5","1") = "4"
    & skf18("3","4","2","1","1","6","1") = "5"
    & skf18("3","4","2","1","1","7","1") = "6"
    & skf18("3","4","2","1","1","8","1") = "7"
    & skf18("3","4","2","1","1","9","1") = "8"
    & skf18("3","4","2","1","1","10","1") = "9"
    & skf18("3","4","2","1","2","1","1") = "3"
    & skf18("3","4","2","1","2","2","1") = "3"
    & skf18("3","4","2","1","2","3","1") = "3"
    & skf18("3","4","2","1","2","4","1") = "3"
    & skf18("3","4","2","1","2","5","1") = "4"
    & skf18("3","4","2","1","2","6","1") = "5"
    & skf18("3","4","2","1","2","7","1") = "6"
    & skf18("3","4","2","1","2","8","1") = "7"
    & skf18("3","4","2","1","2","9","1") = "8"
    & skf18("3","4","2","1","2","10","1") = "9"
    & skf18("3","4","2","1","3","1","1") = "3"
    & skf18("3","4","2","1","3","2","1") = "3"
    & skf18("3","4","2","1","3","3","1") = "3"
    & skf18("3","4","2","1","3","4","1") = "3"
    & skf18("3","4","2","1","3","5","1") = "4"
    & skf18("3","4","2","1","3","6","1") = "5"
    & skf18("3","4","2","1","3","7","1") = "6"
    & skf18("3","4","2","1","3","8","1") = "7"
    & skf18("3","4","2","1","3","9","1") = "8"
    & skf18("3","4","2","1","3","10","1") = "9"
    & skf18("3","4","2","1","4","1","1") = "3"
    & skf18("3","4","2","1","4","2","1") = "3"
    & skf18("3","4","2","1","4","3","1") = "3"
    & skf18("3","4","2","1","4","4","1") = "3"
    & skf18("3","4","2","1","4","5","1") = "4"
    & skf18("3","4","2","1","4","6","1") = "5"
    & skf18("3","4","2","1","4","7","1") = "6"
    & skf18("3","4","2","1","4","8","1") = "7"
    & skf18("3","4","2","1","4","9","1") = "8"
    & skf18("3","4","2","1","4","10","1") = "9"
    & skf18("3","4","2","1","5","1","1") = "4"
    & skf18("3","4","2","1","5","2","1") = "4"
    & skf18("3","4","2","1","5","3","1") = "4"
    & skf18("3","4","2","1","5","4","1") = "4"
    & skf18("3","4","2","1","5","5","1") = "4"
    & skf18("3","4","2","1","5","6","1") = "5"
    & skf18("3","4","2","1","5","7","1") = "6"
    & skf18("3","4","2","1","5","8","1") = "7"
    & skf18("3","4","2","1","5","9","1") = "8"
    & skf18("3","4","2","1","5","10","1") = "9"
    & skf18("3","4","2","1","6","1","1") = "5"
    & skf18("3","4","2","1","6","2","1") = "5"
    & skf18("3","4","2","1","6","3","1") = "5"
    & skf18("3","4","2","1","6","4","1") = "5"
    & skf18("3","4","2","1","6","5","1") = "5"
    & skf18("3","4","2","1","6","6","1") = "5"
    & skf18("3","4","2","1","6","7","1") = "6"
    & skf18("3","4","2","1","6","8","1") = "7"
    & skf18("3","4","2","1","6","9","1") = "8"
    & skf18("3","4","2","1","6","10","1") = "9"
    & skf18("3","4","2","1","7","1","1") = "6"
    & skf18("3","4","2","1","7","2","1") = "6"
    & skf18("3","4","2","1","7","3","1") = "6"
    & skf18("3","4","2","1","7","4","1") = "6"
    & skf18("3","4","2","1","7","5","1") = "6"
    & skf18("3","4","2","1","7","6","1") = "6"
    & skf18("3","4","2","1","7","7","1") = "6"
    & skf18("3","4","2","1","7","8","1") = "7"
    & skf18("3","4","2","1","7","9","1") = "8"
    & skf18("3","4","2","1","7","10","1") = "9"
    & skf18("3","4","2","1","8","1","1") = "7"
    & skf18("3","4","2","1","8","2","1") = "7"
    & skf18("3","4","2","1","8","3","1") = "7"
    & skf18("3","4","2","1","8","4","1") = "7"
    & skf18("3","4","2","1","8","5","1") = "7"
    & skf18("3","4","2","1","8","6","1") = "7"
    & skf18("3","4","2","1","8","7","1") = "7"
    & skf18("3","4","2","1","8","8","1") = "7"
    & skf18("3","4","2","1","8","9","1") = "8"
    & skf18("3","4","2","1","8","10","1") = "9"
    & skf18("3","4","2","1","9","1","1") = "8"
    & skf18("3","4","2","1","9","2","1") = "8"
    & skf18("3","4","2","1","9","3","1") = "8"
    & skf18("3","4","2","1","9","4","1") = "8"
    & skf18("3","4","2","1","9","5","1") = "8"
    & skf18("3","4","2","1","9","6","1") = "8"
    & skf18("3","4","2","1","9","7","1") = "8"
    & skf18("3","4","2","1","9","8","1") = "8"
    & skf18("3","4","2","1","9","9","1") = "8"
    & skf18("3","4","2","1","9","10","1") = "9"
    & skf18("3","4","2","1","10","1","1") = "9"
    & skf18("3","4","2","1","10","2","1") = "9"
    & skf18("3","4","2","1","10","3","1") = "9"
    & skf18("3","4","2","1","10","4","1") = "9"
    & skf18("3","4","2","1","10","5","1") = "9"
    & skf18("3","4","2","1","10","6","1") = "9"
    & skf18("3","4","2","1","10","7","1") = "9"
    & skf18("3","4","2","1","10","8","1") = "9"
    & skf18("3","4","2","1","10","9","1") = "9"
    & skf18("3","4","2","1","10","10","1") = "9"
    & skf18("3","4","2","2","1","1","1") = "3"
    & skf18("3","4","2","2","1","2","1") = "3"
    & skf18("3","4","2","2","1","3","1") = "3"
    & skf18("3","4","2","2","1","4","1") = "3"
    & skf18("3","4","2","2","1","5","1") = "4"
    & skf18("3","4","2","2","1","6","1") = "5"
    & skf18("3","4","2","2","1","7","1") = "6"
    & skf18("3","4","2","2","1","8","1") = "7"
    & skf18("3","4","2","2","1","9","1") = "8"
    & skf18("3","4","2","2","1","10","1") = "9"
    & skf18("3","4","2","2","2","1","1") = "3"
    & skf18("3","4","2","2","2","2","1") = "3"
    & skf18("3","4","2","2","2","3","1") = "3"
    & skf18("3","4","2","2","2","4","1") = "3"
    & skf18("3","4","2","2","2","5","1") = "4"
    & skf18("3","4","2","2","2","6","1") = "5"
    & skf18("3","4","2","2","2","7","1") = "6"
    & skf18("3","4","2","2","2","8","1") = "7"
    & skf18("3","4","2","2","2","9","1") = "8"
    & skf18("3","4","2","2","2","10","1") = "9"
    & skf18("3","4","2","2","3","1","1") = "3"
    & skf18("3","4","2","2","3","2","1") = "3"
    & skf18("3","4","2","2","3","3","1") = "3"
    & skf18("3","4","2","2","3","4","1") = "3"
    & skf18("3","4","2","2","3","5","1") = "4"
    & skf18("3","4","2","2","3","6","1") = "5"
    & skf18("3","4","2","2","3","7","1") = "6"
    & skf18("3","4","2","2","3","8","1") = "7"
    & skf18("3","4","2","2","3","9","1") = "8"
    & skf18("3","4","2","2","3","10","1") = "9"
    & skf18("3","4","2","2","4","1","1") = "3"
    & skf18("3","4","2","2","4","2","1") = "3"
    & skf18("3","4","2","2","4","3","1") = "3"
    & skf18("3","4","2","2","4","4","1") = "3"
    & skf18("3","4","2","2","4","5","1") = "4"
    & skf18("3","4","2","2","4","6","1") = "5"
    & skf18("3","4","2","2","4","7","1") = "6"
    & skf18("3","4","2","2","4","8","1") = "7"
    & skf18("3","4","2","2","4","9","1") = "8"
    & skf18("3","4","2","2","4","10","1") = "9"
    & skf18("3","4","2","2","5","1","1") = "4"
    & skf18("3","4","2","2","5","2","1") = "4"
    & skf18("3","4","2","2","5","3","1") = "4"
    & skf18("3","4","2","2","5","4","1") = "4"
    & skf18("3","4","2","2","5","5","1") = "4"
    & skf18("3","4","2","2","5","6","1") = "5"
    & skf18("3","4","2","2","5","7","1") = "6"
    & skf18("3","4","2","2","5","8","1") = "7"
    & skf18("3","4","2","2","5","9","1") = "8"
    & skf18("3","4","2","2","5","10","1") = "9"
    & skf18("3","4","2","2","6","1","1") = "5"
    & skf18("3","4","2","2","6","2","1") = "5"
    & skf18("3","4","2","2","6","3","1") = "5"
    & skf18("3","4","2","2","6","4","1") = "5"
    & skf18("3","4","2","2","6","5","1") = "5"
    & skf18("3","4","2","2","6","6","1") = "5"
    & skf18("3","4","2","2","6","7","1") = "6"
    & skf18("3","4","2","2","6","8","1") = "7"
    & skf18("3","4","2","2","6","9","1") = "8"
    & skf18("3","4","2","2","6","10","1") = "9"
    & skf18("3","4","2","2","7","1","1") = "6"
    & skf18("3","4","2","2","7","2","1") = "6"
    & skf18("3","4","2","2","7","3","1") = "6"
    & skf18("3","4","2","2","7","4","1") = "6"
    & skf18("3","4","2","2","7","5","1") = "6"
    & skf18("3","4","2","2","7","6","1") = "6"
    & skf18("3","4","2","2","7","7","1") = "6"
    & skf18("3","4","2","2","7","8","1") = "7"
    & skf18("3","4","2","2","7","9","1") = "8"
    & skf18("3","4","2","2","7","10","1") = "9"
    & skf18("3","4","2","2","8","1","1") = "7"
    & skf18("3","4","2","2","8","2","1") = "7"
    & skf18("3","4","2","2","8","3","1") = "7"
    & skf18("3","4","2","2","8","4","1") = "7"
    & skf18("3","4","2","2","8","5","1") = "7"
    & skf18("3","4","2","2","8","6","1") = "7"
    & skf18("3","4","2","2","8","7","1") = "7"
    & skf18("3","4","2","2","8","8","1") = "7"
    & skf18("3","4","2","2","8","9","1") = "8"
    & skf18("3","4","2","2","8","10","1") = "9"
    & skf18("3","4","2","2","9","1","1") = "8"
    & skf18("3","4","2","2","9","2","1") = "8"
    & skf18("3","4","2","2","9","3","1") = "8"
    & skf18("3","4","2","2","9","4","1") = "8"
    & skf18("3","4","2","2","9","5","1") = "8"
    & skf18("3","4","2","2","9","6","1") = "8"
    & skf18("3","4","2","2","9","7","1") = "8"
    & skf18("3","4","2","2","9","8","1") = "8"
    & skf18("3","4","2","2","9","9","1") = "8"
    & skf18("3","4","2","2","9","10","1") = "9"
    & skf18("3","4","2","2","10","1","1") = "9"
    & skf18("3","4","2","2","10","2","1") = "9"
    & skf18("3","4","2","2","10","3","1") = "9"
    & skf18("3","4","2","2","10","4","1") = "9"
    & skf18("3","4","2","2","10","5","1") = "9"
    & skf18("3","4","2","2","10","6","1") = "9"
    & skf18("3","4","2","2","10","7","1") = "9"
    & skf18("3","4","2","2","10","8","1") = "9"
    & skf18("3","4","2","2","10","9","1") = "9"
    & skf18("3","4","2","2","10","10","1") = "9"
    & skf18("3","4","2","3","1","1","1") = "3"
    & skf18("3","4","2","3","1","2","1") = "3"
    & skf18("3","4","2","3","1","3","1") = "3"
    & skf18("3","4","2","3","1","4","1") = "3"
    & skf18("3","4","2","3","1","5","1") = "4"
    & skf18("3","4","2","3","1","6","1") = "5"
    & skf18("3","4","2","3","1","7","1") = "6"
    & skf18("3","4","2","3","1","8","1") = "7"
    & skf18("3","4","2","3","1","9","1") = "8"
    & skf18("3","4","2","3","1","10","1") = "9"
    & skf18("3","4","2","3","2","1","1") = "3"
    & skf18("3","4","2","3","2","2","1") = "3"
    & skf18("3","4","2","3","2","3","1") = "3"
    & skf18("3","4","2","3","2","4","1") = "3"
    & skf18("3","4","2","3","2","5","1") = "4"
    & skf18("3","4","2","3","2","6","1") = "5"
    & skf18("3","4","2","3","2","7","1") = "6"
    & skf18("3","4","2","3","2","8","1") = "7"
    & skf18("3","4","2","3","2","9","1") = "8"
    & skf18("3","4","2","3","2","10","1") = "9"
    & skf18("3","4","2","3","3","1","1") = "3"
    & skf18("3","4","2","3","3","2","1") = "3"
    & skf18("3","4","2","3","3","3","1") = "3"
    & skf18("3","4","2","3","3","4","1") = "3"
    & skf18("3","4","2","3","3","5","1") = "4"
    & skf18("3","4","2","3","3","6","1") = "5"
    & skf18("3","4","2","3","3","7","1") = "6"
    & skf18("3","4","2","3","3","8","1") = "7"
    & skf18("3","4","2","3","3","9","1") = "8"
    & skf18("3","4","2","3","3","10","1") = "9"
    & skf18("3","4","2","3","4","1","1") = "3"
    & skf18("3","4","2","3","4","2","1") = "3"
    & skf18("3","4","2","3","4","3","1") = "3"
    & skf18("3","4","2","3","4","4","1") = "3"
    & skf18("3","4","2","3","4","5","1") = "4"
    & skf18("3","4","2","3","4","6","1") = "5"
    & skf18("3","4","2","3","4","7","1") = "6"
    & skf18("3","4","2","3","4","8","1") = "7"
    & skf18("3","4","2","3","4","9","1") = "8"
    & skf18("3","4","2","3","4","10","1") = "9"
    & skf18("3","4","2","3","5","1","1") = "4"
    & skf18("3","4","2","3","5","2","1") = "4"
    & skf18("3","4","2","3","5","3","1") = "4"
    & skf18("3","4","2","3","5","4","1") = "4"
    & skf18("3","4","2","3","5","5","1") = "4"
    & skf18("3","4","2","3","5","6","1") = "5"
    & skf18("3","4","2","3","5","7","1") = "6"
    & skf18("3","4","2","3","5","8","1") = "7"
    & skf18("3","4","2","3","5","9","1") = "8"
    & skf18("3","4","2","3","5","10","1") = "9"
    & skf18("3","4","2","3","6","1","1") = "5"
    & skf18("3","4","2","3","6","2","1") = "5"
    & skf18("3","4","2","3","6","3","1") = "5"
    & skf18("3","4","2","3","6","4","1") = "5"
    & skf18("3","4","2","3","6","5","1") = "5"
    & skf18("3","4","2","3","6","6","1") = "5"
    & skf18("3","4","2","3","6","7","1") = "6"
    & skf18("3","4","2","3","6","8","1") = "7"
    & skf18("3","4","2","3","6","9","1") = "8"
    & skf18("3","4","2","3","6","10","1") = "9"
    & skf18("3","4","2","3","7","1","1") = "6"
    & skf18("3","4","2","3","7","2","1") = "6"
    & skf18("3","4","2","3","7","3","1") = "6"
    & skf18("3","4","2","3","7","4","1") = "6"
    & skf18("3","4","2","3","7","5","1") = "6"
    & skf18("3","4","2","3","7","6","1") = "6"
    & skf18("3","4","2","3","7","7","1") = "6"
    & skf18("3","4","2","3","7","8","1") = "7"
    & skf18("3","4","2","3","7","9","1") = "8"
    & skf18("3","4","2","3","7","10","1") = "9"
    & skf18("3","4","2","3","8","1","1") = "7"
    & skf18("3","4","2","3","8","2","1") = "7"
    & skf18("3","4","2","3","8","3","1") = "7"
    & skf18("3","4","2","3","8","4","1") = "7"
    & skf18("3","4","2","3","8","5","1") = "7"
    & skf18("3","4","2","3","8","6","1") = "7"
    & skf18("3","4","2","3","8","7","1") = "7"
    & skf18("3","4","2","3","8","8","1") = "7"
    & skf18("3","4","2","3","8","9","1") = "8"
    & skf18("3","4","2","3","8","10","1") = "9"
    & skf18("3","4","2","3","9","1","1") = "8"
    & skf18("3","4","2","3","9","2","1") = "8"
    & skf18("3","4","2","3","9","3","1") = "8"
    & skf18("3","4","2","3","9","4","1") = "8"
    & skf18("3","4","2","3","9","5","1") = "8"
    & skf18("3","4","2","3","9","6","1") = "8"
    & skf18("3","4","2","3","9","7","1") = "8"
    & skf18("3","4","2","3","9","8","1") = "8"
    & skf18("3","4","2","3","9","9","1") = "8"
    & skf18("3","4","2","3","9","10","1") = "9"
    & skf18("3","4","2","3","10","1","1") = "9"
    & skf18("3","4","2","3","10","2","1") = "9"
    & skf18("3","4","2","3","10","3","1") = "9"
    & skf18("3","4","2","3","10","4","1") = "9"
    & skf18("3","4","2","3","10","5","1") = "9"
    & skf18("3","4","2","3","10","6","1") = "9"
    & skf18("3","4","2","3","10","7","1") = "9"
    & skf18("3","4","2","3","10","8","1") = "9"
    & skf18("3","4","2","3","10","9","1") = "9"
    & skf18("3","4","2","3","10","10","1") = "9"
    & skf18("3","4","2","4","1","1","1") = "3"
    & skf18("3","4","2","4","1","2","1") = "3"
    & skf18("3","4","2","4","1","3","1") = "3"
    & skf18("3","4","2","4","1","4","1") = "3"
    & skf18("3","4","2","4","1","5","1") = "4"
    & skf18("3","4","2","4","1","6","1") = "5"
    & skf18("3","4","2","4","1","7","1") = "6"
    & skf18("3","4","2","4","1","8","1") = "7"
    & skf18("3","4","2","4","1","9","1") = "8"
    & skf18("3","4","2","4","1","10","1") = "9"
    & skf18("3","4","2","4","2","1","1") = "3"
    & skf18("3","4","2","4","2","2","1") = "3"
    & skf18("3","4","2","4","2","3","1") = "3"
    & skf18("3","4","2","4","2","4","1") = "3"
    & skf18("3","4","2","4","2","5","1") = "4"
    & skf18("3","4","2","4","2","6","1") = "5"
    & skf18("3","4","2","4","2","7","1") = "6"
    & skf18("3","4","2","4","2","8","1") = "7"
    & skf18("3","4","2","4","2","9","1") = "8"
    & skf18("3","4","2","4","2","10","1") = "9"
    & skf18("3","4","2","4","3","1","1") = "3"
    & skf18("3","4","2","4","3","2","1") = "3"
    & skf18("3","4","2","4","3","3","1") = "3"
    & skf18("3","4","2","4","3","4","1") = "3"
    & skf18("3","4","2","4","3","5","1") = "4"
    & skf18("3","4","2","4","3","6","1") = "5"
    & skf18("3","4","2","4","3","7","1") = "6"
    & skf18("3","4","2","4","3","8","1") = "7"
    & skf18("3","4","2","4","3","9","1") = "8"
    & skf18("3","4","2","4","3","10","1") = "9"
    & skf18("3","4","2","4","4","1","1") = "3"
    & skf18("3","4","2","4","4","2","1") = "3"
    & skf18("3","4","2","4","4","3","1") = "3"
    & skf18("3","4","2","4","4","4","1") = "3"
    & skf18("3","4","2","4","4","5","1") = "4"
    & skf18("3","4","2","4","4","6","1") = "5"
    & skf18("3","4","2","4","4","7","1") = "6"
    & skf18("3","4","2","4","4","8","1") = "7"
    & skf18("3","4","2","4","4","9","1") = "8"
    & skf18("3","4","2","4","4","10","1") = "9"
    & skf18("3","4","2","4","5","1","1") = "4"
    & skf18("3","4","2","4","5","2","1") = "4"
    & skf18("3","4","2","4","5","3","1") = "4"
    & skf18("3","4","2","4","5","4","1") = "4"
    & skf18("3","4","2","4","5","5","1") = "4"
    & skf18("3","4","2","4","5","6","1") = "5"
    & skf18("3","4","2","4","5","7","1") = "6"
    & skf18("3","4","2","4","5","8","1") = "7"
    & skf18("3","4","2","4","5","9","1") = "8"
    & skf18("3","4","2","4","5","10","1") = "9"
    & skf18("3","4","2","4","6","1","1") = "5"
    & skf18("3","4","2","4","6","2","1") = "5"
    & skf18("3","4","2","4","6","3","1") = "5"
    & skf18("3","4","2","4","6","4","1") = "5"
    & skf18("3","4","2","4","6","5","1") = "5"
    & skf18("3","4","2","4","6","6","1") = "5"
    & skf18("3","4","2","4","6","7","1") = "6"
    & skf18("3","4","2","4","6","8","1") = "7"
    & skf18("3","4","2","4","6","9","1") = "8"
    & skf18("3","4","2","4","6","10","1") = "9"
    & skf18("3","4","2","4","7","1","1") = "6"
    & skf18("3","4","2","4","7","2","1") = "6"
    & skf18("3","4","2","4","7","3","1") = "6"
    & skf18("3","4","2","4","7","4","1") = "6"
    & skf18("3","4","2","4","7","5","1") = "6"
    & skf18("3","4","2","4","7","6","1") = "6"
    & skf18("3","4","2","4","7","7","1") = "6"
    & skf18("3","4","2","4","7","8","1") = "7"
    & skf18("3","4","2","4","7","9","1") = "8"
    & skf18("3","4","2","4","7","10","1") = "9"
    & skf18("3","4","2","4","8","1","1") = "7"
    & skf18("3","4","2","4","8","2","1") = "7"
    & skf18("3","4","2","4","8","3","1") = "7"
    & skf18("3","4","2","4","8","4","1") = "7"
    & skf18("3","4","2","4","8","5","1") = "7"
    & skf18("3","4","2","4","8","6","1") = "7"
    & skf18("3","4","2","4","8","7","1") = "7"
    & skf18("3","4","2","4","8","8","1") = "7"
    & skf18("3","4","2","4","8","9","1") = "8"
    & skf18("3","4","2","4","8","10","1") = "9"
    & skf18("3","4","2","4","9","1","1") = "8"
    & skf18("3","4","2","4","9","2","1") = "8"
    & skf18("3","4","2","4","9","3","1") = "8"
    & skf18("3","4","2","4","9","4","1") = "8"
    & skf18("3","4","2","4","9","5","1") = "8"
    & skf18("3","4","2","4","9","6","1") = "8"
    & skf18("3","4","2","4","9","7","1") = "8"
    & skf18("3","4","2","4","9","8","1") = "8"
    & skf18("3","4","2","4","9","9","1") = "8"
    & skf18("3","4","2","4","9","10","1") = "9"
    & skf18("3","4","2","4","10","1","1") = "9"
    & skf18("3","4","2","4","10","2","1") = "9"
    & skf18("3","4","2","4","10","3","1") = "9"
    & skf18("3","4","2","4","10","4","1") = "9"
    & skf18("3","4","2","4","10","5","1") = "9"
    & skf18("3","4","2","4","10","6","1") = "9"
    & skf18("3","4","2","4","10","7","1") = "9"
    & skf18("3","4","2","4","10","8","1") = "9"
    & skf18("3","4","2","4","10","9","1") = "9"
    & skf18("3","4","2","4","10","10","1") = "9"
    & skf18("3","4","2","5","1","1","1") = "4"
    & skf18("3","4","2","5","1","2","1") = "4"
    & skf18("3","4","2","5","1","3","1") = "4"
    & skf18("3","4","2","5","1","4","1") = "4"
    & skf18("3","4","2","5","1","5","1") = "4"
    & skf18("3","4","2","5","1","6","1") = "5"
    & skf18("3","4","2","5","1","7","1") = "6"
    & skf18("3","4","2","5","1","8","1") = "7"
    & skf18("3","4","2","5","1","9","1") = "8"
    & skf18("3","4","2","5","1","10","1") = "9"
    & skf18("3","4","2","5","2","1","1") = "4"
    & skf18("3","4","2","5","2","2","1") = "4"
    & skf18("3","4","2","5","2","3","1") = "4"
    & skf18("3","4","2","5","2","4","1") = "4"
    & skf18("3","4","2","5","2","5","1") = "4"
    & skf18("3","4","2","5","2","6","1") = "5"
    & skf18("3","4","2","5","2","7","1") = "6"
    & skf18("3","4","2","5","2","8","1") = "7"
    & skf18("3","4","2","5","2","9","1") = "8"
    & skf18("3","4","2","5","2","10","1") = "9"
    & skf18("3","4","2","5","3","1","1") = "4"
    & skf18("3","4","2","5","3","2","1") = "4"
    & skf18("3","4","2","5","3","3","1") = "4"
    & skf18("3","4","2","5","3","4","1") = "4"
    & skf18("3","4","2","5","3","5","1") = "4"
    & skf18("3","4","2","5","3","6","1") = "5"
    & skf18("3","4","2","5","3","7","1") = "6"
    & skf18("3","4","2","5","3","8","1") = "7"
    & skf18("3","4","2","5","3","9","1") = "8"
    & skf18("3","4","2","5","3","10","1") = "9"
    & skf18("3","4","2","5","4","1","1") = "4"
    & skf18("3","4","2","5","4","2","1") = "4"
    & skf18("3","4","2","5","4","3","1") = "4"
    & skf18("3","4","2","5","4","4","1") = "4"
    & skf18("3","4","2","5","4","5","1") = "4"
    & skf18("3","4","2","5","4","6","1") = "5"
    & skf18("3","4","2","5","4","7","1") = "6"
    & skf18("3","4","2","5","4","8","1") = "7"
    & skf18("3","4","2","5","4","9","1") = "8"
    & skf18("3","4","2","5","4","10","1") = "9"
    & skf18("3","4","2","5","5","1","1") = "4"
    & skf18("3","4","2","5","5","2","1") = "4"
    & skf18("3","4","2","5","5","3","1") = "4"
    & skf18("3","4","2","5","5","4","1") = "4"
    & skf18("3","4","2","5","5","5","1") = "4"
    & skf18("3","4","2","5","5","6","1") = "5"
    & skf18("3","4","2","5","5","7","1") = "6"
    & skf18("3","4","2","5","5","8","1") = "7"
    & skf18("3","4","2","5","5","9","1") = "8"
    & skf18("3","4","2","5","5","10","1") = "9"
    & skf18("3","4","2","5","6","1","1") = "5"
    & skf18("3","4","2","5","6","2","1") = "5"
    & skf18("3","4","2","5","6","3","1") = "5"
    & skf18("3","4","2","5","6","4","1") = "5"
    & skf18("3","4","2","5","6","5","1") = "5"
    & skf18("3","4","2","5","6","6","1") = "5"
    & skf18("3","4","2","5","6","7","1") = "6"
    & skf18("3","4","2","5","6","8","1") = "7"
    & skf18("3","4","2","5","6","9","1") = "8"
    & skf18("3","4","2","5","6","10","1") = "9"
    & skf18("3","4","2","5","7","1","1") = "6"
    & skf18("3","4","2","5","7","2","1") = "6"
    & skf18("3","4","2","5","7","3","1") = "6"
    & skf18("3","4","2","5","7","4","1") = "6"
    & skf18("3","4","2","5","7","5","1") = "6"
    & skf18("3","4","2","5","7","6","1") = "6"
    & skf18("3","4","2","5","7","7","1") = "6"
    & skf18("3","4","2","5","7","8","1") = "7"
    & skf18("3","4","2","5","7","9","1") = "8"
    & skf18("3","4","2","5","7","10","1") = "9"
    & skf18("3","4","2","5","8","1","1") = "7"
    & skf18("3","4","2","5","8","2","1") = "7"
    & skf18("3","4","2","5","8","3","1") = "7"
    & skf18("3","4","2","5","8","4","1") = "7"
    & skf18("3","4","2","5","8","5","1") = "7"
    & skf18("3","4","2","5","8","6","1") = "7"
    & skf18("3","4","2","5","8","7","1") = "7"
    & skf18("3","4","2","5","8","8","1") = "7"
    & skf18("3","4","2","5","8","9","1") = "8"
    & skf18("3","4","2","5","8","10","1") = "9"
    & skf18("3","4","2","5","9","1","1") = "8"
    & skf18("3","4","2","5","9","2","1") = "8"
    & skf18("3","4","2","5","9","3","1") = "8"
    & skf18("3","4","2","5","9","4","1") = "8"
    & skf18("3","4","2","5","9","5","1") = "8"
    & skf18("3","4","2","5","9","6","1") = "8"
    & skf18("3","4","2","5","9","7","1") = "8"
    & skf18("3","4","2","5","9","8","1") = "8"
    & skf18("3","4","2","5","9","9","1") = "8"
    & skf18("3","4","2","5","9","10","1") = "9"
    & skf18("3","4","2","5","10","1","1") = "9"
    & skf18("3","4","2","5","10","2","1") = "9"
    & skf18("3","4","2","5","10","3","1") = "9"
    & skf18("3","4","2","5","10","4","1") = "9"
    & skf18("3","4","2","5","10","5","1") = "9"
    & skf18("3","4","2","5","10","6","1") = "9"
    & skf18("3","4","2","5","10","7","1") = "9"
    & skf18("3","4","2","5","10","8","1") = "9"
    & skf18("3","4","2","5","10","9","1") = "9"
    & skf18("3","4","2","5","10","10","1") = "9"
    & skf18("3","4","2","6","1","1","1") = "5"
    & skf18("3","4","2","6","1","2","1") = "5"
    & skf18("3","4","2","6","1","3","1") = "5"
    & skf18("3","4","2","6","1","4","1") = "5"
    & skf18("3","4","2","6","1","5","1") = "5"
    & skf18("3","4","2","6","1","6","1") = "5"
    & skf18("3","4","2","6","1","7","1") = "6"
    & skf18("3","4","2","6","1","8","1") = "7"
    & skf18("3","4","2","6","1","9","1") = "8"
    & skf18("3","4","2","6","1","10","1") = "9"
    & skf18("3","4","2","6","2","1","1") = "5"
    & skf18("3","4","2","6","2","2","1") = "5"
    & skf18("3","4","2","6","2","3","1") = "5"
    & skf18("3","4","2","6","2","4","1") = "5"
    & skf18("3","4","2","6","2","5","1") = "5"
    & skf18("3","4","2","6","2","6","1") = "5"
    & skf18("3","4","2","6","2","7","1") = "6"
    & skf18("3","4","2","6","2","8","1") = "7"
    & skf18("3","4","2","6","2","9","1") = "8"
    & skf18("3","4","2","6","2","10","1") = "9"
    & skf18("3","4","2","6","3","1","1") = "5"
    & skf18("3","4","2","6","3","2","1") = "5"
    & skf18("3","4","2","6","3","3","1") = "5"
    & skf18("3","4","2","6","3","4","1") = "5"
    & skf18("3","4","2","6","3","5","1") = "5"
    & skf18("3","4","2","6","3","6","1") = "5"
    & skf18("3","4","2","6","3","7","1") = "6"
    & skf18("3","4","2","6","3","8","1") = "7"
    & skf18("3","4","2","6","3","9","1") = "8"
    & skf18("3","4","2","6","3","10","1") = "9"
    & skf18("3","4","2","6","4","1","1") = "5"
    & skf18("3","4","2","6","4","2","1") = "5"
    & skf18("3","4","2","6","4","3","1") = "5"
    & skf18("3","4","2","6","4","4","1") = "5"
    & skf18("3","4","2","6","4","5","1") = "5"
    & skf18("3","4","2","6","4","6","1") = "5"
    & skf18("3","4","2","6","4","7","1") = "6"
    & skf18("3","4","2","6","4","8","1") = "7"
    & skf18("3","4","2","6","4","9","1") = "8"
    & skf18("3","4","2","6","4","10","1") = "9"
    & skf18("3","4","2","6","5","1","1") = "5"
    & skf18("3","4","2","6","5","2","1") = "5"
    & skf18("3","4","2","6","5","3","1") = "5"
    & skf18("3","4","2","6","5","4","1") = "5"
    & skf18("3","4","2","6","5","5","1") = "5"
    & skf18("3","4","2","6","5","6","1") = "5"
    & skf18("3","4","2","6","5","7","1") = "6"
    & skf18("3","4","2","6","5","8","1") = "7"
    & skf18("3","4","2","6","5","9","1") = "8"
    & skf18("3","4","2","6","5","10","1") = "9"
    & skf18("3","4","2","6","6","1","1") = "5"
    & skf18("3","4","2","6","6","2","1") = "5"
    & skf18("3","4","2","6","6","3","1") = "5"
    & skf18("3","4","2","6","6","4","1") = "5"
    & skf18("3","4","2","6","6","5","1") = "5"
    & skf18("3","4","2","6","6","6","1") = "5"
    & skf18("3","4","2","6","6","7","1") = "6"
    & skf18("3","4","2","6","6","8","1") = "7"
    & skf18("3","4","2","6","6","9","1") = "8"
    & skf18("3","4","2","6","6","10","1") = "9"
    & skf18("3","4","2","6","7","1","1") = "6"
    & skf18("3","4","2","6","7","2","1") = "6"
    & skf18("3","4","2","6","7","3","1") = "6"
    & skf18("3","4","2","6","7","4","1") = "6"
    & skf18("3","4","2","6","7","5","1") = "6"
    & skf18("3","4","2","6","7","6","1") = "6"
    & skf18("3","4","2","6","7","7","1") = "6"
    & skf18("3","4","2","6","7","8","1") = "7"
    & skf18("3","4","2","6","7","9","1") = "8"
    & skf18("3","4","2","6","7","10","1") = "9"
    & skf18("3","4","2","6","8","1","1") = "7"
    & skf18("3","4","2","6","8","2","1") = "7"
    & skf18("3","4","2","6","8","3","1") = "7"
    & skf18("3","4","2","6","8","4","1") = "7"
    & skf18("3","4","2","6","8","5","1") = "7"
    & skf18("3","4","2","6","8","6","1") = "7"
    & skf18("3","4","2","6","8","7","1") = "7"
    & skf18("3","4","2","6","8","8","1") = "7"
    & skf18("3","4","2","6","8","9","1") = "8"
    & skf18("3","4","2","6","8","10","1") = "9"
    & skf18("3","4","2","6","9","1","1") = "8"
    & skf18("3","4","2","6","9","2","1") = "8"
    & skf18("3","4","2","6","9","3","1") = "8"
    & skf18("3","4","2","6","9","4","1") = "8"
    & skf18("3","4","2","6","9","5","1") = "8"
    & skf18("3","4","2","6","9","6","1") = "8"
    & skf18("3","4","2","6","9","7","1") = "8"
    & skf18("3","4","2","6","9","8","1") = "8"
    & skf18("3","4","2","6","9","9","1") = "8"
    & skf18("3","4","2","6","9","10","1") = "9"
    & skf18("3","4","2","6","10","1","1") = "9"
    & skf18("3","4","2","6","10","2","1") = "9"
    & skf18("3","4","2","6","10","3","1") = "9"
    & skf18("3","4","2","6","10","4","1") = "9"
    & skf18("3","4","2","6","10","5","1") = "9"
    & skf18("3","4","2","6","10","6","1") = "9"
    & skf18("3","4","2","6","10","7","1") = "9"
    & skf18("3","4","2","6","10","8","1") = "9"
    & skf18("3","4","2","6","10","9","1") = "9"
    & skf18("3","4","2","6","10","10","1") = "9"
    & skf18("3","4","2","7","1","1","1") = "6"
    & skf18("3","4","2","7","1","2","1") = "6"
    & skf18("3","4","2","7","1","3","1") = "6"
    & skf18("3","4","2","7","1","4","1") = "6"
    & skf18("3","4","2","7","1","5","1") = "6"
    & skf18("3","4","2","7","1","6","1") = "6"
    & skf18("3","4","2","7","1","7","1") = "6"
    & skf18("3","4","2","7","1","8","1") = "7"
    & skf18("3","4","2","7","1","9","1") = "8"
    & skf18("3","4","2","7","1","10","1") = "9"
    & skf18("3","4","2","7","2","1","1") = "6"
    & skf18("3","4","2","7","2","2","1") = "6"
    & skf18("3","4","2","7","2","3","1") = "6"
    & skf18("3","4","2","7","2","4","1") = "6"
    & skf18("3","4","2","7","2","5","1") = "6"
    & skf18("3","4","2","7","2","6","1") = "6"
    & skf18("3","4","2","7","2","7","1") = "6"
    & skf18("3","4","2","7","2","8","1") = "7"
    & skf18("3","4","2","7","2","9","1") = "8"
    & skf18("3","4","2","7","2","10","1") = "9"
    & skf18("3","4","2","7","3","1","1") = "6"
    & skf18("3","4","2","7","3","2","1") = "6"
    & skf18("3","4","2","7","3","3","1") = "6"
    & skf18("3","4","2","7","3","4","1") = "6"
    & skf18("3","4","2","7","3","5","1") = "6"
    & skf18("3","4","2","7","3","6","1") = "6"
    & skf18("3","4","2","7","3","7","1") = "6"
    & skf18("3","4","2","7","3","8","1") = "7"
    & skf18("3","4","2","7","3","9","1") = "8"
    & skf18("3","4","2","7","3","10","1") = "9"
    & skf18("3","4","2","7","4","1","1") = "6"
    & skf18("3","4","2","7","4","2","1") = "6"
    & skf18("3","4","2","7","4","3","1") = "6"
    & skf18("3","4","2","7","4","4","1") = "6"
    & skf18("3","4","2","7","4","5","1") = "6"
    & skf18("3","4","2","7","4","6","1") = "6"
    & skf18("3","4","2","7","4","7","1") = "6"
    & skf18("3","4","2","7","4","8","1") = "7"
    & skf18("3","4","2","7","4","9","1") = "8"
    & skf18("3","4","2","7","4","10","1") = "9"
    & skf18("3","4","2","7","5","1","1") = "6"
    & skf18("3","4","2","7","5","2","1") = "6"
    & skf18("3","4","2","7","5","3","1") = "6"
    & skf18("3","4","2","7","5","4","1") = "6"
    & skf18("3","4","2","7","5","5","1") = "6"
    & skf18("3","4","2","7","5","6","1") = "6"
    & skf18("3","4","2","7","5","7","1") = "6"
    & skf18("3","4","2","7","5","8","1") = "7"
    & skf18("3","4","2","7","5","9","1") = "8"
    & skf18("3","4","2","7","5","10","1") = "9"
    & skf18("3","4","2","7","6","1","1") = "6"
    & skf18("3","4","2","7","6","2","1") = "6"
    & skf18("3","4","2","7","6","3","1") = "6"
    & skf18("3","4","2","7","6","4","1") = "6"
    & skf18("3","4","2","7","6","5","1") = "6"
    & skf18("3","4","2","7","6","6","1") = "6"
    & skf18("3","4","2","7","6","7","1") = "6"
    & skf18("3","4","2","7","6","8","1") = "7"
    & skf18("3","4","2","7","6","9","1") = "8"
    & skf18("3","4","2","7","6","10","1") = "9"
    & skf18("3","4","2","7","7","1","1") = "6"
    & skf18("3","4","2","7","7","2","1") = "6"
    & skf18("3","4","2","7","7","3","1") = "6"
    & skf18("3","4","2","7","7","4","1") = "6"
    & skf18("3","4","2","7","7","5","1") = "6"
    & skf18("3","4","2","7","7","6","1") = "6"
    & skf18("3","4","2","7","7","7","1") = "6"
    & skf18("3","4","2","7","7","8","1") = "7"
    & skf18("3","4","2","7","7","9","1") = "8"
    & skf18("3","4","2","7","7","10","1") = "9"
    & skf18("3","4","2","7","8","1","1") = "7"
    & skf18("3","4","2","7","8","2","1") = "7"
    & skf18("3","4","2","7","8","3","1") = "7"
    & skf18("3","4","2","7","8","4","1") = "7"
    & skf18("3","4","2","7","8","5","1") = "7"
    & skf18("3","4","2","7","8","6","1") = "7"
    & skf18("3","4","2","7","8","7","1") = "7"
    & skf18("3","4","2","7","8","8","1") = "7"
    & skf18("3","4","2","7","8","9","1") = "8"
    & skf18("3","4","2","7","8","10","1") = "9"
    & skf18("3","4","2","7","9","1","1") = "8"
    & skf18("3","4","2","7","9","2","1") = "8"
    & skf18("3","4","2","7","9","3","1") = "8"
    & skf18("3","4","2","7","9","4","1") = "8"
    & skf18("3","4","2","7","9","5","1") = "8"
    & skf18("3","4","2","7","9","6","1") = "8"
    & skf18("3","4","2","7","9","7","1") = "8"
    & skf18("3","4","2","7","9","8","1") = "8"
    & skf18("3","4","2","7","9","9","1") = "8"
    & skf18("3","4","2","7","9","10","1") = "9"
    & skf18("3","4","2","7","10","1","1") = "9"
    & skf18("3","4","2","7","10","2","1") = "9"
    & skf18("3","4","2","7","10","3","1") = "9"
    & skf18("3","4","2","7","10","4","1") = "9"
    & skf18("3","4","2","7","10","5","1") = "9"
    & skf18("3","4","2","7","10","6","1") = "9"
    & skf18("3","4","2","7","10","7","1") = "9"
    & skf18("3","4","2","7","10","8","1") = "9"
    & skf18("3","4","2","7","10","9","1") = "9"
    & skf18("3","4","2","7","10","10","1") = "9"
    & skf18("3","4","2","8","1","1","1") = "7"
    & skf18("3","4","2","8","1","2","1") = "7"
    & skf18("3","4","2","8","1","3","1") = "7"
    & skf18("3","4","2","8","1","4","1") = "7"
    & skf18("3","4","2","8","1","5","1") = "7"
    & skf18("3","4","2","8","1","6","1") = "7"
    & skf18("3","4","2","8","1","7","1") = "7"
    & skf18("3","4","2","8","1","8","1") = "7"
    & skf18("3","4","2","8","1","9","1") = "8"
    & skf18("3","4","2","8","1","10","1") = "9"
    & skf18("3","4","2","8","2","1","1") = "7"
    & skf18("3","4","2","8","2","2","1") = "7"
    & skf18("3","4","2","8","2","3","1") = "7"
    & skf18("3","4","2","8","2","4","1") = "7"
    & skf18("3","4","2","8","2","5","1") = "7"
    & skf18("3","4","2","8","2","6","1") = "7"
    & skf18("3","4","2","8","2","7","1") = "7"
    & skf18("3","4","2","8","2","8","1") = "7"
    & skf18("3","4","2","8","2","9","1") = "8"
    & skf18("3","4","2","8","2","10","1") = "9"
    & skf18("3","4","2","8","3","1","1") = "7"
    & skf18("3","4","2","8","3","2","1") = "7"
    & skf18("3","4","2","8","3","3","1") = "7"
    & skf18("3","4","2","8","3","4","1") = "7"
    & skf18("3","4","2","8","3","5","1") = "7"
    & skf18("3","4","2","8","3","6","1") = "7"
    & skf18("3","4","2","8","3","7","1") = "7"
    & skf18("3","4","2","8","3","8","1") = "7"
    & skf18("3","4","2","8","3","9","1") = "8"
    & skf18("3","4","2","8","3","10","1") = "9"
    & skf18("3","4","2","8","4","1","1") = "7"
    & skf18("3","4","2","8","4","2","1") = "7"
    & skf18("3","4","2","8","4","3","1") = "7"
    & skf18("3","4","2","8","4","4","1") = "7"
    & skf18("3","4","2","8","4","5","1") = "7"
    & skf18("3","4","2","8","4","6","1") = "7"
    & skf18("3","4","2","8","4","7","1") = "7"
    & skf18("3","4","2","8","4","8","1") = "7"
    & skf18("3","4","2","8","4","9","1") = "8"
    & skf18("3","4","2","8","4","10","1") = "9"
    & skf18("3","4","2","8","5","1","1") = "7"
    & skf18("3","4","2","8","5","2","1") = "7"
    & skf18("3","4","2","8","5","3","1") = "7"
    & skf18("3","4","2","8","5","4","1") = "7"
    & skf18("3","4","2","8","5","5","1") = "7"
    & skf18("3","4","2","8","5","6","1") = "7"
    & skf18("3","4","2","8","5","7","1") = "7"
    & skf18("3","4","2","8","5","8","1") = "7"
    & skf18("3","4","2","8","5","9","1") = "8"
    & skf18("3","4","2","8","5","10","1") = "9"
    & skf18("3","4","2","8","6","1","1") = "7"
    & skf18("3","4","2","8","6","2","1") = "7"
    & skf18("3","4","2","8","6","3","1") = "7"
    & skf18("3","4","2","8","6","4","1") = "7"
    & skf18("3","4","2","8","6","5","1") = "7"
    & skf18("3","4","2","8","6","6","1") = "7"
    & skf18("3","4","2","8","6","7","1") = "7"
    & skf18("3","4","2","8","6","8","1") = "7"
    & skf18("3","4","2","8","6","9","1") = "8"
    & skf18("3","4","2","8","6","10","1") = "9"
    & skf18("3","4","2","8","7","1","1") = "7"
    & skf18("3","4","2","8","7","2","1") = "7"
    & skf18("3","4","2","8","7","3","1") = "7"
    & skf18("3","4","2","8","7","4","1") = "7"
    & skf18("3","4","2","8","7","5","1") = "7"
    & skf18("3","4","2","8","7","6","1") = "7"
    & skf18("3","4","2","8","7","7","1") = "7"
    & skf18("3","4","2","8","7","8","1") = "7"
    & skf18("3","4","2","8","7","9","1") = "8"
    & skf18("3","4","2","8","7","10","1") = "9"
    & skf18("3","4","2","8","8","1","1") = "7"
    & skf18("3","4","2","8","8","2","1") = "7"
    & skf18("3","4","2","8","8","3","1") = "7"
    & skf18("3","4","2","8","8","4","1") = "7"
    & skf18("3","4","2","8","8","5","1") = "7"
    & skf18("3","4","2","8","8","6","1") = "7"
    & skf18("3","4","2","8","8","7","1") = "7"
    & skf18("3","4","2","8","8","8","1") = "7"
    & skf18("3","4","2","8","8","9","1") = "8"
    & skf18("3","4","2","8","8","10","1") = "9"
    & skf18("3","4","2","8","9","1","1") = "8"
    & skf18("3","4","2","8","9","2","1") = "8"
    & skf18("3","4","2","8","9","3","1") = "8"
    & skf18("3","4","2","8","9","4","1") = "8"
    & skf18("3","4","2","8","9","5","1") = "8"
    & skf18("3","4","2","8","9","6","1") = "8"
    & skf18("3","4","2","8","9","7","1") = "8"
    & skf18("3","4","2","8","9","8","1") = "8"
    & skf18("3","4","2","8","9","9","1") = "8"
    & skf18("3","4","2","8","9","10","1") = "9"
    & skf18("3","4","2","8","10","1","1") = "9"
    & skf18("3","4","2","8","10","2","1") = "9"
    & skf18("3","4","2","8","10","3","1") = "9"
    & skf18("3","4","2","8","10","4","1") = "9"
    & skf18("3","4","2","8","10","5","1") = "9"
    & skf18("3","4","2","8","10","6","1") = "9"
    & skf18("3","4","2","8","10","7","1") = "9"
    & skf18("3","4","2","8","10","8","1") = "9"
    & skf18("3","4","2","8","10","9","1") = "9"
    & skf18("3","4","2","8","10","10","1") = "9"
    & skf18("3","4","2","9","1","1","1") = "8"
    & skf18("3","4","2","9","1","2","1") = "8"
    & skf18("3","4","2","9","1","3","1") = "8"
    & skf18("3","4","2","9","1","4","1") = "8"
    & skf18("3","4","2","9","1","5","1") = "8"
    & skf18("3","4","2","9","1","6","1") = "8"
    & skf18("3","4","2","9","1","7","1") = "8"
    & skf18("3","4","2","9","1","8","1") = "8"
    & skf18("3","4","2","9","1","9","1") = "8"
    & skf18("3","4","2","9","1","10","1") = "9"
    & skf18("3","4","2","9","2","1","1") = "8"
    & skf18("3","4","2","9","2","2","1") = "8"
    & skf18("3","4","2","9","2","3","1") = "8"
    & skf18("3","4","2","9","2","4","1") = "8"
    & skf18("3","4","2","9","2","5","1") = "8"
    & skf18("3","4","2","9","2","6","1") = "8"
    & skf18("3","4","2","9","2","7","1") = "8"
    & skf18("3","4","2","9","2","8","1") = "8"
    & skf18("3","4","2","9","2","9","1") = "8"
    & skf18("3","4","2","9","2","10","1") = "9"
    & skf18("3","4","2","9","3","1","1") = "8"
    & skf18("3","4","2","9","3","2","1") = "8"
    & skf18("3","4","2","9","3","3","1") = "8"
    & skf18("3","4","2","9","3","4","1") = "8"
    & skf18("3","4","2","9","3","5","1") = "8"
    & skf18("3","4","2","9","3","6","1") = "8"
    & skf18("3","4","2","9","3","7","1") = "8"
    & skf18("3","4","2","9","3","8","1") = "8"
    & skf18("3","4","2","9","3","9","1") = "8"
    & skf18("3","4","2","9","3","10","1") = "9"
    & skf18("3","4","2","9","4","1","1") = "8"
    & skf18("3","4","2","9","4","2","1") = "8"
    & skf18("3","4","2","9","4","3","1") = "8"
    & skf18("3","4","2","9","4","4","1") = "8"
    & skf18("3","4","2","9","4","5","1") = "8"
    & skf18("3","4","2","9","4","6","1") = "8"
    & skf18("3","4","2","9","4","7","1") = "8"
    & skf18("3","4","2","9","4","8","1") = "8"
    & skf18("3","4","2","9","4","9","1") = "8"
    & skf18("3","4","2","9","4","10","1") = "9"
    & skf18("3","4","2","9","5","1","1") = "8"
    & skf18("3","4","2","9","5","2","1") = "8"
    & skf18("3","4","2","9","5","3","1") = "8"
    & skf18("3","4","2","9","5","4","1") = "8"
    & skf18("3","4","2","9","5","5","1") = "8"
    & skf18("3","4","2","9","5","6","1") = "8"
    & skf18("3","4","2","9","5","7","1") = "8"
    & skf18("3","4","2","9","5","8","1") = "8"
    & skf18("3","4","2","9","5","9","1") = "8"
    & skf18("3","4","2","9","5","10","1") = "9"
    & skf18("3","4","2","9","6","1","1") = "8"
    & skf18("3","4","2","9","6","2","1") = "8"
    & skf18("3","4","2","9","6","3","1") = "8"
    & skf18("3","4","2","9","6","4","1") = "8"
    & skf18("3","4","2","9","6","5","1") = "8"
    & skf18("3","4","2","9","6","6","1") = "8"
    & skf18("3","4","2","9","6","7","1") = "8"
    & skf18("3","4","2","9","6","8","1") = "8"
    & skf18("3","4","2","9","6","9","1") = "8"
    & skf18("3","4","2","9","6","10","1") = "9"
    & skf18("3","4","2","9","7","1","1") = "8"
    & skf18("3","4","2","9","7","2","1") = "8"
    & skf18("3","4","2","9","7","3","1") = "8"
    & skf18("3","4","2","9","7","4","1") = "8"
    & skf18("3","4","2","9","7","5","1") = "8"
    & skf18("3","4","2","9","7","6","1") = "8"
    & skf18("3","4","2","9","7","7","1") = "8"
    & skf18("3","4","2","9","7","8","1") = "8"
    & skf18("3","4","2","9","7","9","1") = "8"
    & skf18("3","4","2","9","7","10","1") = "9"
    & skf18("3","4","2","9","8","1","1") = "8"
    & skf18("3","4","2","9","8","2","1") = "8"
    & skf18("3","4","2","9","8","3","1") = "8"
    & skf18("3","4","2","9","8","4","1") = "8"
    & skf18("3","4","2","9","8","5","1") = "8"
    & skf18("3","4","2","9","8","6","1") = "8"
    & skf18("3","4","2","9","8","7","1") = "8"
    & skf18("3","4","2","9","8","8","1") = "8"
    & skf18("3","4","2","9","8","9","1") = "8"
    & skf18("3","4","2","9","8","10","1") = "9"
    & skf18("3","4","2","9","9","1","1") = "8"
    & skf18("3","4","2","9","9","2","1") = "8"
    & skf18("3","4","2","9","9","3","1") = "8"
    & skf18("3","4","2","9","9","4","1") = "8"
    & skf18("3","4","2","9","9","5","1") = "8"
    & skf18("3","4","2","9","9","6","1") = "8"
    & skf18("3","4","2","9","9","7","1") = "8"
    & skf18("3","4","2","9","9","8","1") = "8"
    & skf18("3","4","2","9","9","9","1") = "8"
    & skf18("3","4","2","9","9","10","1") = "9"
    & skf18("3","4","2","9","10","1","1") = "9"
    & skf18("3","4","2","9","10","2","1") = "9"
    & skf18("3","4","2","9","10","3","1") = "9"
    & skf18("3","4","2","9","10","4","1") = "9"
    & skf18("3","4","2","9","10","5","1") = "9"
    & skf18("3","4","2","9","10","6","1") = "9"
    & skf18("3","4","2","9","10","7","1") = "9"
    & skf18("3","4","2","9","10","8","1") = "9"
    & skf18("3","4","2","9","10","9","1") = "9"
    & skf18("3","4","2","9","10","10","1") = "9"
    & skf18("3","4","2","10","1","1","1") = "9"
    & skf18("3","4","2","10","1","2","1") = "9"
    & skf18("3","4","2","10","1","3","1") = "9"
    & skf18("3","4","2","10","1","4","1") = "9"
    & skf18("3","4","2","10","1","5","1") = "9"
    & skf18("3","4","2","10","1","6","1") = "9"
    & skf18("3","4","2","10","1","7","1") = "9"
    & skf18("3","4","2","10","1","8","1") = "9"
    & skf18("3","4","2","10","1","9","1") = "9"
    & skf18("3","4","2","10","1","10","1") = "9"
    & skf18("3","4","2","10","2","1","1") = "9"
    & skf18("3","4","2","10","2","2","1") = "9"
    & skf18("3","4","2","10","2","3","1") = "9"
    & skf18("3","4","2","10","2","4","1") = "9"
    & skf18("3","4","2","10","2","5","1") = "9"
    & skf18("3","4","2","10","2","6","1") = "9"
    & skf18("3","4","2","10","2","7","1") = "9"
    & skf18("3","4","2","10","2","8","1") = "9"
    & skf18("3","4","2","10","2","9","1") = "9"
    & skf18("3","4","2","10","2","10","1") = "9"
    & skf18("3","4","2","10","3","1","1") = "9"
    & skf18("3","4","2","10","3","2","1") = "9"
    & skf18("3","4","2","10","3","3","1") = "9"
    & skf18("3","4","2","10","3","4","1") = "9"
    & skf18("3","4","2","10","3","5","1") = "9"
    & skf18("3","4","2","10","3","6","1") = "9"
    & skf18("3","4","2","10","3","7","1") = "9"
    & skf18("3","4","2","10","3","8","1") = "9"
    & skf18("3","4","2","10","3","9","1") = "9"
    & skf18("3","4","2","10","3","10","1") = "9"
    & skf18("3","4","2","10","4","1","1") = "9"
    & skf18("3","4","2","10","4","2","1") = "9"
    & skf18("3","4","2","10","4","3","1") = "9"
    & skf18("3","4","2","10","4","4","1") = "9"
    & skf18("3","4","2","10","4","5","1") = "9"
    & skf18("3","4","2","10","4","6","1") = "9"
    & skf18("3","4","2","10","4","7","1") = "9"
    & skf18("3","4","2","10","4","8","1") = "9"
    & skf18("3","4","2","10","4","9","1") = "9"
    & skf18("3","4","2","10","4","10","1") = "9"
    & skf18("3","4","2","10","5","1","1") = "9"
    & skf18("3","4","2","10","5","2","1") = "9"
    & skf18("3","4","2","10","5","3","1") = "9"
    & skf18("3","4","2","10","5","4","1") = "9"
    & skf18("3","4","2","10","5","5","1") = "9"
    & skf18("3","4","2","10","5","6","1") = "9"
    & skf18("3","4","2","10","5","7","1") = "9"
    & skf18("3","4","2","10","5","8","1") = "9"
    & skf18("3","4","2","10","5","9","1") = "9"
    & skf18("3","4","2","10","5","10","1") = "9"
    & skf18("3","4","2","10","6","1","1") = "9"
    & skf18("3","4","2","10","6","2","1") = "9"
    & skf18("3","4","2","10","6","3","1") = "9"
    & skf18("3","4","2","10","6","4","1") = "9"
    & skf18("3","4","2","10","6","5","1") = "9"
    & skf18("3","4","2","10","6","6","1") = "9"
    & skf18("3","4","2","10","6","7","1") = "9"
    & skf18("3","4","2","10","6","8","1") = "9"
    & skf18("3","4","2","10","6","9","1") = "9"
    & skf18("3","4","2","10","6","10","1") = "9"
    & skf18("3","4","2","10","7","1","1") = "9"
    & skf18("3","4","2","10","7","2","1") = "9"
    & skf18("3","4","2","10","7","3","1") = "9"
    & skf18("3","4","2","10","7","4","1") = "9"
    & skf18("3","4","2","10","7","5","1") = "9"
    & skf18("3","4","2","10","7","6","1") = "9"
    & skf18("3","4","2","10","7","7","1") = "9"
    & skf18("3","4","2","10","7","8","1") = "9"
    & skf18("3","4","2","10","7","9","1") = "9"
    & skf18("3","4","2","10","7","10","1") = "9"
    & skf18("3","4","2","10","8","1","1") = "9"
    & skf18("3","4","2","10","8","2","1") = "9"
    & skf18("3","4","2","10","8","3","1") = "9"
    & skf18("3","4","2","10","8","4","1") = "9"
    & skf18("3","4","2","10","8","5","1") = "9"
    & skf18("3","4","2","10","8","6","1") = "9"
    & skf18("3","4","2","10","8","7","1") = "9"
    & skf18("3","4","2","10","8","8","1") = "9"
    & skf18("3","4","2","10","8","9","1") = "9"
    & skf18("3","4","2","10","8","10","1") = "9"
    & skf18("3","4","2","10","9","1","1") = "9"
    & skf18("3","4","2","10","9","2","1") = "9"
    & skf18("3","4","2","10","9","3","1") = "9"
    & skf18("3","4","2","10","9","4","1") = "9"
    & skf18("3","4","2","10","9","5","1") = "9"
    & skf18("3","4","2","10","9","6","1") = "9"
    & skf18("3","4","2","10","9","7","1") = "9"
    & skf18("3","4","2","10","9","8","1") = "9"
    & skf18("3","4","2","10","9","9","1") = "9"
    & skf18("3","4","2","10","9","10","1") = "9"
    & skf18("3","4","2","10","10","1","1") = "9"
    & skf18("3","4","2","10","10","2","1") = "9"
    & skf18("3","4","2","10","10","3","1") = "9"
    & skf18("3","4","2","10","10","4","1") = "9"
    & skf18("3","4","2","10","10","5","1") = "9"
    & skf18("3","4","2","10","10","6","1") = "9"
    & skf18("3","4","2","10","10","7","1") = "9"
    & skf18("3","4","2","10","10","8","1") = "9"
    & skf18("3","4","2","10","10","9","1") = "9"
    & skf18("3","4","2","10","10","10","1") = "9"
    & skf18("3","4","3","1","1","1","1") = "3"
    & skf18("3","4","3","1","1","2","1") = "3"
    & skf18("3","4","3","1","1","3","1") = "3"
    & skf18("3","4","3","1","1","4","1") = "3"
    & skf18("3","4","3","1","1","5","1") = "4"
    & skf18("3","4","3","1","1","6","1") = "5"
    & skf18("3","4","3","1","1","7","1") = "6"
    & skf18("3","4","3","1","1","8","1") = "7"
    & skf18("3","4","3","1","1","9","1") = "8"
    & skf18("3","4","3","1","1","10","1") = "9"
    & skf18("3","4","3","1","2","1","1") = "3"
    & skf18("3","4","3","1","2","2","1") = "3"
    & skf18("3","4","3","1","2","3","1") = "3"
    & skf18("3","4","3","1","2","4","1") = "3"
    & skf18("3","4","3","1","2","5","1") = "4"
    & skf18("3","4","3","1","2","6","1") = "5"
    & skf18("3","4","3","1","2","7","1") = "6"
    & skf18("3","4","3","1","2","8","1") = "7"
    & skf18("3","4","3","1","2","9","1") = "8"
    & skf18("3","4","3","1","2","10","1") = "9"
    & skf18("3","4","3","1","3","1","1") = "3"
    & skf18("3","4","3","1","3","2","1") = "3"
    & skf18("3","4","3","1","3","3","1") = "3"
    & skf18("3","4","3","1","3","4","1") = "3"
    & skf18("3","4","3","1","3","5","1") = "4"
    & skf18("3","4","3","1","3","6","1") = "5"
    & skf18("3","4","3","1","3","7","1") = "6"
    & skf18("3","4","3","1","3","8","1") = "7"
    & skf18("3","4","3","1","3","9","1") = "8"
    & skf18("3","4","3","1","3","10","1") = "9"
    & skf18("3","4","3","1","4","1","1") = "3"
    & skf18("3","4","3","1","4","2","1") = "3"
    & skf18("3","4","3","1","4","3","1") = "3"
    & skf18("3","4","3","1","4","4","1") = "3"
    & skf18("3","4","3","1","4","5","1") = "4"
    & skf18("3","4","3","1","4","6","1") = "5"
    & skf18("3","4","3","1","4","7","1") = "6"
    & skf18("3","4","3","1","4","8","1") = "7"
    & skf18("3","4","3","1","4","9","1") = "8"
    & skf18("3","4","3","1","4","10","1") = "9"
    & skf18("3","4","3","1","5","1","1") = "4"
    & skf18("3","4","3","1","5","2","1") = "4"
    & skf18("3","4","3","1","5","3","1") = "4"
    & skf18("3","4","3","1","5","4","1") = "4"
    & skf18("3","4","3","1","5","5","1") = "4"
    & skf18("3","4","3","1","5","6","1") = "5"
    & skf18("3","4","3","1","5","7","1") = "6"
    & skf18("3","4","3","1","5","8","1") = "7"
    & skf18("3","4","3","1","5","9","1") = "8"
    & skf18("3","4","3","1","5","10","1") = "9"
    & skf18("3","4","3","1","6","1","1") = "5"
    & skf18("3","4","3","1","6","2","1") = "5"
    & skf18("3","4","3","1","6","3","1") = "5"
    & skf18("3","4","3","1","6","4","1") = "5"
    & skf18("3","4","3","1","6","5","1") = "5"
    & skf18("3","4","3","1","6","6","1") = "5"
    & skf18("3","4","3","1","6","7","1") = "6"
    & skf18("3","4","3","1","6","8","1") = "7"
    & skf18("3","4","3","1","6","9","1") = "8"
    & skf18("3","4","3","1","6","10","1") = "9"
    & skf18("3","4","3","1","7","1","1") = "6"
    & skf18("3","4","3","1","7","2","1") = "6"
    & skf18("3","4","3","1","7","3","1") = "6"
    & skf18("3","4","3","1","7","4","1") = "6"
    & skf18("3","4","3","1","7","5","1") = "6"
    & skf18("3","4","3","1","7","6","1") = "6"
    & skf18("3","4","3","1","7","7","1") = "6"
    & skf18("3","4","3","1","7","8","1") = "7"
    & skf18("3","4","3","1","7","9","1") = "8"
    & skf18("3","4","3","1","7","10","1") = "9"
    & skf18("3","4","3","1","8","1","1") = "7"
    & skf18("3","4","3","1","8","2","1") = "7"
    & skf18("3","4","3","1","8","3","1") = "7"
    & skf18("3","4","3","1","8","4","1") = "7"
    & skf18("3","4","3","1","8","5","1") = "7"
    & skf18("3","4","3","1","8","6","1") = "7"
    & skf18("3","4","3","1","8","7","1") = "7"
    & skf18("3","4","3","1","8","8","1") = "7"
    & skf18("3","4","3","1","8","9","1") = "8"
    & skf18("3","4","3","1","8","10","1") = "9"
    & skf18("3","4","3","1","9","1","1") = "8"
    & skf18("3","4","3","1","9","2","1") = "8"
    & skf18("3","4","3","1","9","3","1") = "8"
    & skf18("3","4","3","1","9","4","1") = "8"
    & skf18("3","4","3","1","9","5","1") = "8"
    & skf18("3","4","3","1","9","6","1") = "8"
    & skf18("3","4","3","1","9","7","1") = "8"
    & skf18("3","4","3","1","9","8","1") = "8"
    & skf18("3","4","3","1","9","9","1") = "8"
    & skf18("3","4","3","1","9","10","1") = "9"
    & skf18("3","4","3","1","10","1","1") = "9"
    & skf18("3","4","3","1","10","2","1") = "9"
    & skf18("3","4","3","1","10","3","1") = "9"
    & skf18("3","4","3","1","10","4","1") = "9"
    & skf18("3","4","3","1","10","5","1") = "9"
    & skf18("3","4","3","1","10","6","1") = "9"
    & skf18("3","4","3","1","10","7","1") = "9"
    & skf18("3","4","3","1","10","8","1") = "9"
    & skf18("3","4","3","1","10","9","1") = "9"
    & skf18("3","4","3","1","10","10","1") = "9"
    & skf18("3","4","3","2","1","1","1") = "3"
    & skf18("3","4","3","2","1","2","1") = "3"
    & skf18("3","4","3","2","1","3","1") = "3"
    & skf18("3","4","3","2","1","4","1") = "3"
    & skf18("3","4","3","2","1","5","1") = "4"
    & skf18("3","4","3","2","1","6","1") = "5"
    & skf18("3","4","3","2","1","7","1") = "6"
    & skf18("3","4","3","2","1","8","1") = "7"
    & skf18("3","4","3","2","1","9","1") = "8"
    & skf18("3","4","3","2","1","10","1") = "9"
    & skf18("3","4","3","2","2","1","1") = "3"
    & skf18("3","4","3","2","2","2","1") = "3"
    & skf18("3","4","3","2","2","3","1") = "3"
    & skf18("3","4","3","2","2","4","1") = "3"
    & skf18("3","4","3","2","2","5","1") = "4"
    & skf18("3","4","3","2","2","6","1") = "5"
    & skf18("3","4","3","2","2","7","1") = "6"
    & skf18("3","4","3","2","2","8","1") = "7"
    & skf18("3","4","3","2","2","9","1") = "8"
    & skf18("3","4","3","2","2","10","1") = "9"
    & skf18("3","4","3","2","3","1","1") = "3"
    & skf18("3","4","3","2","3","2","1") = "3"
    & skf18("3","4","3","2","3","3","1") = "3"
    & skf18("3","4","3","2","3","4","1") = "3"
    & skf18("3","4","3","2","3","5","1") = "4"
    & skf18("3","4","3","2","3","6","1") = "5"
    & skf18("3","4","3","2","3","7","1") = "6"
    & skf18("3","4","3","2","3","8","1") = "7"
    & skf18("3","4","3","2","3","9","1") = "8"
    & skf18("3","4","3","2","3","10","1") = "9"
    & skf18("3","4","3","2","4","1","1") = "3"
    & skf18("3","4","3","2","4","2","1") = "3"
    & skf18("3","4","3","2","4","3","1") = "3"
    & skf18("3","4","3","2","4","4","1") = "3"
    & skf18("3","4","3","2","4","5","1") = "4"
    & skf18("3","4","3","2","4","6","1") = "5"
    & skf18("3","4","3","2","4","7","1") = "6"
    & skf18("3","4","3","2","4","8","1") = "7"
    & skf18("3","4","3","2","4","9","1") = "8"
    & skf18("3","4","3","2","4","10","1") = "9"
    & skf18("3","4","3","2","5","1","1") = "4"
    & skf18("3","4","3","2","5","2","1") = "4"
    & skf18("3","4","3","2","5","3","1") = "4"
    & skf18("3","4","3","2","5","4","1") = "4"
    & skf18("3","4","3","2","5","5","1") = "4"
    & skf18("3","4","3","2","5","6","1") = "5"
    & skf18("3","4","3","2","5","7","1") = "6"
    & skf18("3","4","3","2","5","8","1") = "7"
    & skf18("3","4","3","2","5","9","1") = "8"
    & skf18("3","4","3","2","5","10","1") = "9"
    & skf18("3","4","3","2","6","1","1") = "5"
    & skf18("3","4","3","2","6","2","1") = "5"
    & skf18("3","4","3","2","6","3","1") = "5"
    & skf18("3","4","3","2","6","4","1") = "5"
    & skf18("3","4","3","2","6","5","1") = "5"
    & skf18("3","4","3","2","6","6","1") = "5"
    & skf18("3","4","3","2","6","7","1") = "6"
    & skf18("3","4","3","2","6","8","1") = "7"
    & skf18("3","4","3","2","6","9","1") = "8"
    & skf18("3","4","3","2","6","10","1") = "9"
    & skf18("3","4","3","2","7","1","1") = "6"
    & skf18("3","4","3","2","7","2","1") = "6"
    & skf18("3","4","3","2","7","3","1") = "6"
    & skf18("3","4","3","2","7","4","1") = "6"
    & skf18("3","4","3","2","7","5","1") = "6"
    & skf18("3","4","3","2","7","6","1") = "6"
    & skf18("3","4","3","2","7","7","1") = "6"
    & skf18("3","4","3","2","7","8","1") = "7"
    & skf18("3","4","3","2","7","9","1") = "8"
    & skf18("3","4","3","2","7","10","1") = "9"
    & skf18("3","4","3","2","8","1","1") = "7"
    & skf18("3","4","3","2","8","2","1") = "7"
    & skf18("3","4","3","2","8","3","1") = "7"
    & skf18("3","4","3","2","8","4","1") = "7"
    & skf18("3","4","3","2","8","5","1") = "7"
    & skf18("3","4","3","2","8","6","1") = "7"
    & skf18("3","4","3","2","8","7","1") = "7"
    & skf18("3","4","3","2","8","8","1") = "7"
    & skf18("3","4","3","2","8","9","1") = "8"
    & skf18("3","4","3","2","8","10","1") = "9"
    & skf18("3","4","3","2","9","1","1") = "8"
    & skf18("3","4","3","2","9","2","1") = "8"
    & skf18("3","4","3","2","9","3","1") = "8"
    & skf18("3","4","3","2","9","4","1") = "8"
    & skf18("3","4","3","2","9","5","1") = "8"
    & skf18("3","4","3","2","9","6","1") = "8"
    & skf18("3","4","3","2","9","7","1") = "8"
    & skf18("3","4","3","2","9","8","1") = "8"
    & skf18("3","4","3","2","9","9","1") = "8"
    & skf18("3","4","3","2","9","10","1") = "9"
    & skf18("3","4","3","2","10","1","1") = "9"
    & skf18("3","4","3","2","10","2","1") = "9"
    & skf18("3","4","3","2","10","3","1") = "9"
    & skf18("3","4","3","2","10","4","1") = "9"
    & skf18("3","4","3","2","10","5","1") = "9"
    & skf18("3","4","3","2","10","6","1") = "9"
    & skf18("3","4","3","2","10","7","1") = "9"
    & skf18("3","4","3","2","10","8","1") = "9"
    & skf18("3","4","3","2","10","9","1") = "9"
    & skf18("3","4","3","2","10","10","1") = "9"
    & skf18("3","4","3","3","1","1","1") = "3"
    & skf18("3","4","3","3","1","2","1") = "3"
    & skf18("3","4","3","3","1","3","1") = "3"
    & skf18("3","4","3","3","1","4","1") = "3"
    & skf18("3","4","3","3","1","5","1") = "4"
    & skf18("3","4","3","3","1","6","1") = "5"
    & skf18("3","4","3","3","1","7","1") = "6"
    & skf18("3","4","3","3","1","8","1") = "7"
    & skf18("3","4","3","3","1","9","1") = "8"
    & skf18("3","4","3","3","1","10","1") = "9"
    & skf18("3","4","3","3","2","1","1") = "3"
    & skf18("3","4","3","3","2","2","1") = "3"
    & skf18("3","4","3","3","2","3","1") = "3"
    & skf18("3","4","3","3","2","4","1") = "3"
    & skf18("3","4","3","3","2","5","1") = "4"
    & skf18("3","4","3","3","2","6","1") = "5"
    & skf18("3","4","3","3","2","7","1") = "6"
    & skf18("3","4","3","3","2","8","1") = "7"
    & skf18("3","4","3","3","2","9","1") = "8"
    & skf18("3","4","3","3","2","10","1") = "9"
    & skf18("3","4","3","3","3","1","1") = "3"
    & skf18("3","4","3","3","3","2","1") = "3"
    & skf18("3","4","3","3","3","3","1") = "3"
    & skf18("3","4","3","3","3","4","1") = "3"
    & skf18("3","4","3","3","3","5","1") = "4"
    & skf18("3","4","3","3","3","6","1") = "5"
    & skf18("3","4","3","3","3","7","1") = "6"
    & skf18("3","4","3","3","3","8","1") = "7"
    & skf18("3","4","3","3","3","9","1") = "8"
    & skf18("3","4","3","3","3","10","1") = "9"
    & skf18("3","4","3","3","4","1","1") = "3"
    & skf18("3","4","3","3","4","2","1") = "3"
    & skf18("3","4","3","3","4","3","1") = "3"
    & skf18("3","4","3","3","4","4","1") = "3"
    & skf18("3","4","3","3","4","5","1") = "4"
    & skf18("3","4","3","3","4","6","1") = "5"
    & skf18("3","4","3","3","4","7","1") = "6"
    & skf18("3","4","3","3","4","8","1") = "7"
    & skf18("3","4","3","3","4","9","1") = "8"
    & skf18("3","4","3","3","4","10","1") = "9"
    & skf18("3","4","3","3","5","1","1") = "4"
    & skf18("3","4","3","3","5","2","1") = "4"
    & skf18("3","4","3","3","5","3","1") = "4"
    & skf18("3","4","3","3","5","4","1") = "4"
    & skf18("3","4","3","3","5","5","1") = "4"
    & skf18("3","4","3","3","5","6","1") = "5"
    & skf18("3","4","3","3","5","7","1") = "6"
    & skf18("3","4","3","3","5","8","1") = "7"
    & skf18("3","4","3","3","5","9","1") = "8"
    & skf18("3","4","3","3","5","10","1") = "9"
    & skf18("3","4","3","3","6","1","1") = "5"
    & skf18("3","4","3","3","6","2","1") = "5"
    & skf18("3","4","3","3","6","3","1") = "5"
    & skf18("3","4","3","3","6","4","1") = "5"
    & skf18("3","4","3","3","6","5","1") = "5"
    & skf18("3","4","3","3","6","6","1") = "5"
    & skf18("3","4","3","3","6","7","1") = "6"
    & skf18("3","4","3","3","6","8","1") = "7"
    & skf18("3","4","3","3","6","9","1") = "8"
    & skf18("3","4","3","3","6","10","1") = "9"
    & skf18("3","4","3","3","7","1","1") = "6"
    & skf18("3","4","3","3","7","2","1") = "6"
    & skf18("3","4","3","3","7","3","1") = "6"
    & skf18("3","4","3","3","7","4","1") = "6"
    & skf18("3","4","3","3","7","5","1") = "6"
    & skf18("3","4","3","3","7","6","1") = "6"
    & skf18("3","4","3","3","7","7","1") = "6"
    & skf18("3","4","3","3","7","8","1") = "7"
    & skf18("3","4","3","3","7","9","1") = "8"
    & skf18("3","4","3","3","7","10","1") = "9"
    & skf18("3","4","3","3","8","1","1") = "7"
    & skf18("3","4","3","3","8","2","1") = "7"
    & skf18("3","4","3","3","8","3","1") = "7"
    & skf18("3","4","3","3","8","4","1") = "7"
    & skf18("3","4","3","3","8","5","1") = "7"
    & skf18("3","4","3","3","8","6","1") = "7"
    & skf18("3","4","3","3","8","7","1") = "7"
    & skf18("3","4","3","3","8","8","1") = "7"
    & skf18("3","4","3","3","8","9","1") = "8"
    & skf18("3","4","3","3","8","10","1") = "9"
    & skf18("3","4","3","3","9","1","1") = "8"
    & skf18("3","4","3","3","9","2","1") = "8"
    & skf18("3","4","3","3","9","3","1") = "8"
    & skf18("3","4","3","3","9","4","1") = "8"
    & skf18("3","4","3","3","9","5","1") = "8"
    & skf18("3","4","3","3","9","6","1") = "8"
    & skf18("3","4","3","3","9","7","1") = "8"
    & skf18("3","4","3","3","9","8","1") = "8"
    & skf18("3","4","3","3","9","9","1") = "8"
    & skf18("3","4","3","3","9","10","1") = "9"
    & skf18("3","4","3","3","10","1","1") = "9"
    & skf18("3","4","3","3","10","2","1") = "9"
    & skf18("3","4","3","3","10","3","1") = "9"
    & skf18("3","4","3","3","10","4","1") = "9"
    & skf18("3","4","3","3","10","5","1") = "9"
    & skf18("3","4","3","3","10","6","1") = "9"
    & skf18("3","4","3","3","10","7","1") = "9"
    & skf18("3","4","3","3","10","8","1") = "9"
    & skf18("3","4","3","3","10","9","1") = "9"
    & skf18("3","4","3","3","10","10","1") = "9"
    & skf18("3","4","3","4","1","1","1") = "3"
    & skf18("3","4","3","4","1","2","1") = "3"
    & skf18("3","4","3","4","1","3","1") = "3"
    & skf18("3","4","3","4","1","4","1") = "3"
    & skf18("3","4","3","4","1","5","1") = "4"
    & skf18("3","4","3","4","1","6","1") = "5"
    & skf18("3","4","3","4","1","7","1") = "6"
    & skf18("3","4","3","4","1","8","1") = "7"
    & skf18("3","4","3","4","1","9","1") = "8"
    & skf18("3","4","3","4","1","10","1") = "9"
    & skf18("3","4","3","4","2","1","1") = "3"
    & skf18("3","4","3","4","2","2","1") = "3"
    & skf18("3","4","3","4","2","3","1") = "3"
    & skf18("3","4","3","4","2","4","1") = "3"
    & skf18("3","4","3","4","2","5","1") = "4"
    & skf18("3","4","3","4","2","6","1") = "5"
    & skf18("3","4","3","4","2","7","1") = "6"
    & skf18("3","4","3","4","2","8","1") = "7"
    & skf18("3","4","3","4","2","9","1") = "8"
    & skf18("3","4","3","4","2","10","1") = "9"
    & skf18("3","4","3","4","3","1","1") = "3"
    & skf18("3","4","3","4","3","2","1") = "3"
    & skf18("3","4","3","4","3","3","1") = "3"
    & skf18("3","4","3","4","3","4","1") = "3"
    & skf18("3","4","3","4","3","5","1") = "4"
    & skf18("3","4","3","4","3","6","1") = "5"
    & skf18("3","4","3","4","3","7","1") = "6"
    & skf18("3","4","3","4","3","8","1") = "7"
    & skf18("3","4","3","4","3","9","1") = "8"
    & skf18("3","4","3","4","3","10","1") = "9"
    & skf18("3","4","3","4","4","1","1") = "3"
    & skf18("3","4","3","4","4","2","1") = "3"
    & skf18("3","4","3","4","4","3","1") = "3"
    & skf18("3","4","3","4","4","4","1") = "3"
    & skf18("3","4","3","4","4","5","1") = "4"
    & skf18("3","4","3","4","4","6","1") = "5"
    & skf18("3","4","3","4","4","7","1") = "6"
    & skf18("3","4","3","4","4","8","1") = "7"
    & skf18("3","4","3","4","4","9","1") = "8"
    & skf18("3","4","3","4","4","10","1") = "9"
    & skf18("3","4","3","4","5","1","1") = "4"
    & skf18("3","4","3","4","5","2","1") = "4"
    & skf18("3","4","3","4","5","3","1") = "4"
    & skf18("3","4","3","4","5","4","1") = "4"
    & skf18("3","4","3","4","5","5","1") = "4"
    & skf18("3","4","3","4","5","6","1") = "5"
    & skf18("3","4","3","4","5","7","1") = "6"
    & skf18("3","4","3","4","5","8","1") = "7"
    & skf18("3","4","3","4","5","9","1") = "8"
    & skf18("3","4","3","4","5","10","1") = "9"
    & skf18("3","4","3","4","6","1","1") = "5"
    & skf18("3","4","3","4","6","2","1") = "5"
    & skf18("3","4","3","4","6","3","1") = "5"
    & skf18("3","4","3","4","6","4","1") = "5"
    & skf18("3","4","3","4","6","5","1") = "5"
    & skf18("3","4","3","4","6","6","1") = "5"
    & skf18("3","4","3","4","6","7","1") = "6"
    & skf18("3","4","3","4","6","8","1") = "7"
    & skf18("3","4","3","4","6","9","1") = "8"
    & skf18("3","4","3","4","6","10","1") = "9"
    & skf18("3","4","3","4","7","1","1") = "6"
    & skf18("3","4","3","4","7","2","1") = "6"
    & skf18("3","4","3","4","7","3","1") = "6"
    & skf18("3","4","3","4","7","4","1") = "6"
    & skf18("3","4","3","4","7","5","1") = "6"
    & skf18("3","4","3","4","7","6","1") = "6"
    & skf18("3","4","3","4","7","7","1") = "6"
    & skf18("3","4","3","4","7","8","1") = "7"
    & skf18("3","4","3","4","7","9","1") = "8"
    & skf18("3","4","3","4","7","10","1") = "9"
    & skf18("3","4","3","4","8","1","1") = "7"
    & skf18("3","4","3","4","8","2","1") = "7"
    & skf18("3","4","3","4","8","3","1") = "7"
    & skf18("3","4","3","4","8","4","1") = "7"
    & skf18("3","4","3","4","8","5","1") = "7"
    & skf18("3","4","3","4","8","6","1") = "7"
    & skf18("3","4","3","4","8","7","1") = "7"
    & skf18("3","4","3","4","8","8","1") = "7"
    & skf18("3","4","3","4","8","9","1") = "8"
    & skf18("3","4","3","4","8","10","1") = "9"
    & skf18("3","4","3","4","9","1","1") = "8"
    & skf18("3","4","3","4","9","2","1") = "8"
    & skf18("3","4","3","4","9","3","1") = "8"
    & skf18("3","4","3","4","9","4","1") = "8"
    & skf18("3","4","3","4","9","5","1") = "8"
    & skf18("3","4","3","4","9","6","1") = "8"
    & skf18("3","4","3","4","9","7","1") = "8"
    & skf18("3","4","3","4","9","8","1") = "8"
    & skf18("3","4","3","4","9","9","1") = "8"
    & skf18("3","4","3","4","9","10","1") = "9"
    & skf18("3","4","3","4","10","1","1") = "9"
    & skf18("3","4","3","4","10","2","1") = "9"
    & skf18("3","4","3","4","10","3","1") = "9"
    & skf18("3","4","3","4","10","4","1") = "9"
    & skf18("3","4","3","4","10","5","1") = "9"
    & skf18("3","4","3","4","10","6","1") = "9"
    & skf18("3","4","3","4","10","7","1") = "9"
    & skf18("3","4","3","4","10","8","1") = "9"
    & skf18("3","4","3","4","10","9","1") = "9"
    & skf18("3","4","3","4","10","10","1") = "9"
    & skf18("3","4","3","5","1","1","1") = "4"
    & skf18("3","4","3","5","1","2","1") = "4"
    & skf18("3","4","3","5","1","3","1") = "4"
    & skf18("3","4","3","5","1","4","1") = "4"
    & skf18("3","4","3","5","1","5","1") = "4"
    & skf18("3","4","3","5","1","6","1") = "5"
    & skf18("3","4","3","5","1","7","1") = "6"
    & skf18("3","4","3","5","1","8","1") = "7"
    & skf18("3","4","3","5","1","9","1") = "8"
    & skf18("3","4","3","5","1","10","1") = "9"
    & skf18("3","4","3","5","2","1","1") = "4"
    & skf18("3","4","3","5","2","2","1") = "3"
    & skf18("3","4","3","5","2","3","1") = "4"
    & skf18("3","4","3","5","2","4","1") = "4"
    & skf18("3","4","3","5","2","5","1") = "4"
    & skf18("3","4","3","5","2","6","1") = "5"
    & skf18("3","4","3","5","2","7","1") = "6"
    & skf18("3","4","3","5","2","8","1") = "7"
    & skf18("3","4","3","5","2","9","1") = "8"
    & skf18("3","4","3","5","2","10","1") = "9"
    & skf18("3","4","3","5","3","1","1") = "4"
    & skf18("3","4","3","5","3","2","1") = "4"
    & skf18("3","4","3","5","3","3","1") = "4"
    & skf18("3","4","3","5","3","4","1") = "4"
    & skf18("3","4","3","5","3","5","1") = "4"
    & skf18("3","4","3","5","3","6","1") = "5"
    & skf18("3","4","3","5","3","7","1") = "6"
    & skf18("3","4","3","5","3","8","1") = "7"
    & skf18("3","4","3","5","3","9","1") = "8"
    & skf18("3","4","3","5","3","10","1") = "9"
    & skf18("3","4","3","5","4","1","1") = "4"
    & skf18("3","4","3","5","4","2","1") = "4"
    & skf18("3","4","3","5","4","3","1") = "4"
    & skf18("3","4","3","5","4","4","1") = "4"
    & skf18("3","4","3","5","4","5","1") = "4"
    & skf18("3","4","3","5","4","6","1") = "5"
    & skf18("3","4","3","5","4","7","1") = "6"
    & skf18("3","4","3","5","4","8","1") = "7"
    & skf18("3","4","3","5","4","9","1") = "8"
    & skf18("3","4","3","5","4","10","1") = "9"
    & skf18("3","4","3","5","5","1","1") = "4"
    & skf18("3","4","3","5","5","2","1") = "4"
    & skf18("3","4","3","5","5","3","1") = "4"
    & skf18("3","4","3","5","5","4","1") = "4"
    & skf18("3","4","3","5","5","5","1") = "4"
    & skf18("3","4","3","5","5","6","1") = "5"
    & skf18("3","4","3","5","5","7","1") = "6"
    & skf18("3","4","3","5","5","8","1") = "7"
    & skf18("3","4","3","5","5","9","1") = "8"
    & skf18("3","4","3","5","5","10","1") = "9"
    & skf18("3","4","3","5","6","1","1") = "5"
    & skf18("3","4","3","5","6","2","1") = "5"
    & skf18("3","4","3","5","6","3","1") = "5"
    & skf18("3","4","3","5","6","4","1") = "5"
    & skf18("3","4","3","5","6","5","1") = "5"
    & skf18("3","4","3","5","6","6","1") = "5"
    & skf18("3","4","3","5","6","7","1") = "6"
    & skf18("3","4","3","5","6","8","1") = "7"
    & skf18("3","4","3","5","6","9","1") = "8"
    & skf18("3","4","3","5","6","10","1") = "9"
    & skf18("3","4","3","5","7","1","1") = "6"
    & skf18("3","4","3","5","7","2","1") = "6"
    & skf18("3","4","3","5","7","3","1") = "6"
    & skf18("3","4","3","5","7","4","1") = "6"
    & skf18("3","4","3","5","7","5","1") = "6"
    & skf18("3","4","3","5","7","6","1") = "6"
    & skf18("3","4","3","5","7","7","1") = "6"
    & skf18("3","4","3","5","7","8","1") = "7"
    & skf18("3","4","3","5","7","9","1") = "8"
    & skf18("3","4","3","5","7","10","1") = "9"
    & skf18("3","4","3","5","8","1","1") = "7"
    & skf18("3","4","3","5","8","2","1") = "7"
    & skf18("3","4","3","5","8","3","1") = "7"
    & skf18("3","4","3","5","8","4","1") = "7"
    & skf18("3","4","3","5","8","5","1") = "7"
    & skf18("3","4","3","5","8","6","1") = "7"
    & skf18("3","4","3","5","8","7","1") = "7"
    & skf18("3","4","3","5","8","8","1") = "7"
    & skf18("3","4","3","5","8","9","1") = "8"
    & skf18("3","4","3","5","8","10","1") = "9"
    & skf18("3","4","3","5","9","1","1") = "8"
    & skf18("3","4","3","5","9","2","1") = "8"
    & skf18("3","4","3","5","9","3","1") = "8"
    & skf18("3","4","3","5","9","4","1") = "8"
    & skf18("3","4","3","5","9","5","1") = "8"
    & skf18("3","4","3","5","9","6","1") = "8"
    & skf18("3","4","3","5","9","7","1") = "8"
    & skf18("3","4","3","5","9","8","1") = "8"
    & skf18("3","4","3","5","9","9","1") = "8"
    & skf18("3","4","3","5","9","10","1") = "9"
    & skf18("3","4","3","5","10","1","1") = "9"
    & skf18("3","4","3","5","10","2","1") = "9"
    & skf18("3","4","3","5","10","3","1") = "9"
    & skf18("3","4","3","5","10","4","1") = "9"
    & skf18("3","4","3","5","10","5","1") = "9"
    & skf18("3","4","3","5","10","6","1") = "9"
    & skf18("3","4","3","5","10","7","1") = "9"
    & skf18("3","4","3","5","10","8","1") = "9"
    & skf18("3","4","3","5","10","9","1") = "9"
    & skf18("3","4","3","5","10","10","1") = "9"
    & skf18("3","4","3","6","1","1","1") = "5"
    & skf18("3","4","3","6","1","2","1") = "5"
    & skf18("3","4","3","6","1","3","1") = "5"
    & skf18("3","4","3","6","1","4","1") = "5"
    & skf18("3","4","3","6","1","5","1") = "5"
    & skf18("3","4","3","6","1","6","1") = "5"
    & skf18("3","4","3","6","1","7","1") = "6"
    & skf18("3","4","3","6","1","8","1") = "7"
    & skf18("3","4","3","6","1","9","1") = "8"
    & skf18("3","4","3","6","1","10","1") = "9"
    & skf18("3","4","3","6","2","1","1") = "5"
    & skf18("3","4","3","6","2","2","1") = "5"
    & skf18("3","4","3","6","2","3","1") = "5"
    & skf18("3","4","3","6","2","4","1") = "5"
    & skf18("3","4","3","6","2","5","1") = "5"
    & skf18("3","4","3","6","2","6","1") = "5"
    & skf18("3","4","3","6","2","7","1") = "6"
    & skf18("3","4","3","6","2","8","1") = "7"
    & skf18("3","4","3","6","2","9","1") = "8"
    & skf18("3","4","3","6","2","10","1") = "9"
    & skf18("3","4","3","6","3","1","1") = "5"
    & skf18("3","4","3","6","3","2","1") = "5"
    & skf18("3","4","3","6","3","3","1") = "5"
    & skf18("3","4","3","6","3","4","1") = "5"
    & skf18("3","4","3","6","3","5","1") = "5"
    & skf18("3","4","3","6","3","6","1") = "5"
    & skf18("3","4","3","6","3","7","1") = "6"
    & skf18("3","4","3","6","3","8","1") = "7"
    & skf18("3","4","3","6","3","9","1") = "8"
    & skf18("3","4","3","6","3","10","1") = "9"
    & skf18("3","4","3","6","4","1","1") = "5"
    & skf18("3","4","3","6","4","2","1") = "5"
    & skf18("3","4","3","6","4","3","1") = "5"
    & skf18("3","4","3","6","4","4","1") = "5"
    & skf18("3","4","3","6","4","5","1") = "5"
    & skf18("3","4","3","6","4","6","1") = "5"
    & skf18("3","4","3","6","4","7","1") = "6"
    & skf18("3","4","3","6","4","8","1") = "7"
    & skf18("3","4","3","6","4","9","1") = "8"
    & skf18("3","4","3","6","4","10","1") = "9"
    & skf18("3","4","3","6","5","1","1") = "5"
    & skf18("3","4","3","6","5","2","1") = "5"
    & skf18("3","4","3","6","5","3","1") = "5"
    & skf18("3","4","3","6","5","4","1") = "5"
    & skf18("3","4","3","6","5","5","1") = "5"
    & skf18("3","4","3","6","5","6","1") = "5"
    & skf18("3","4","3","6","5","7","1") = "6"
    & skf18("3","4","3","6","5","8","1") = "7"
    & skf18("3","4","3","6","5","9","1") = "8"
    & skf18("3","4","3","6","5","10","1") = "9"
    & skf18("3","4","3","6","6","1","1") = "5"
    & skf18("3","4","3","6","6","2","1") = "5"
    & skf18("3","4","3","6","6","3","1") = "5"
    & skf18("3","4","3","6","6","4","1") = "5"
    & skf18("3","4","3","6","6","5","1") = "5"
    & skf18("3","4","3","6","6","6","1") = "5"
    & skf18("3","4","3","6","6","7","1") = "6"
    & skf18("3","4","3","6","6","8","1") = "7"
    & skf18("3","4","3","6","6","9","1") = "8"
    & skf18("3","4","3","6","6","10","1") = "9"
    & skf18("3","4","3","6","7","1","1") = "6"
    & skf18("3","4","3","6","7","2","1") = "6"
    & skf18("3","4","3","6","7","3","1") = "6"
    & skf18("3","4","3","6","7","4","1") = "6"
    & skf18("3","4","3","6","7","5","1") = "6"
    & skf18("3","4","3","6","7","6","1") = "6"
    & skf18("3","4","3","6","7","7","1") = "6"
    & skf18("3","4","3","6","7","8","1") = "7"
    & skf18("3","4","3","6","7","9","1") = "8"
    & skf18("3","4","3","6","7","10","1") = "9"
    & skf18("3","4","3","6","8","1","1") = "7"
    & skf18("3","4","3","6","8","2","1") = "7"
    & skf18("3","4","3","6","8","3","1") = "7"
    & skf18("3","4","3","6","8","4","1") = "7"
    & skf18("3","4","3","6","8","5","1") = "7"
    & skf18("3","4","3","6","8","6","1") = "7"
    & skf18("3","4","3","6","8","7","1") = "7"
    & skf18("3","4","3","6","8","8","1") = "7"
    & skf18("3","4","3","6","8","9","1") = "8"
    & skf18("3","4","3","6","8","10","1") = "9"
    & skf18("3","4","3","6","9","1","1") = "8"
    & skf18("3","4","3","6","9","2","1") = "8"
    & skf18("3","4","3","6","9","3","1") = "8"
    & skf18("3","4","3","6","9","4","1") = "8"
    & skf18("3","4","3","6","9","5","1") = "8"
    & skf18("3","4","3","6","9","6","1") = "8"
    & skf18("3","4","3","6","9","7","1") = "8"
    & skf18("3","4","3","6","9","8","1") = "8"
    & skf18("3","4","3","6","9","9","1") = "8"
    & skf18("3","4","3","6","9","10","1") = "9"
    & skf18("3","4","3","6","10","1","1") = "9"
    & skf18("3","4","3","6","10","2","1") = "9"
    & skf18("3","4","3","6","10","3","1") = "9"
    & skf18("3","4","3","6","10","4","1") = "9"
    & skf18("3","4","3","6","10","5","1") = "9"
    & skf18("3","4","3","6","10","6","1") = "9"
    & skf18("3","4","3","6","10","7","1") = "9"
    & skf18("3","4","3","6","10","8","1") = "9"
    & skf18("3","4","3","6","10","9","1") = "9"
    & skf18("3","4","3","6","10","10","1") = "9"
    & skf18("3","4","3","7","1","1","1") = "6"
    & skf18("3","4","3","7","1","2","1") = "6"
    & skf18("3","4","3","7","1","3","1") = "6"
    & skf18("3","4","3","7","1","4","1") = "6"
    & skf18("3","4","3","7","1","5","1") = "6"
    & skf18("3","4","3","7","1","6","1") = "6"
    & skf18("3","4","3","7","1","7","1") = "6"
    & skf18("3","4","3","7","1","8","1") = "7"
    & skf18("3","4","3","7","1","9","1") = "8"
    & skf18("3","4","3","7","1","10","1") = "9"
    & skf18("3","4","3","7","2","1","1") = "6"
    & skf18("3","4","3","7","2","2","1") = "6"
    & skf18("3","4","3","7","2","3","1") = "6"
    & skf18("3","4","3","7","2","4","1") = "6"
    & skf18("3","4","3","7","2","5","1") = "6"
    & skf18("3","4","3","7","2","6","1") = "6"
    & skf18("3","4","3","7","2","7","1") = "6"
    & skf18("3","4","3","7","2","8","1") = "7"
    & skf18("3","4","3","7","2","9","1") = "8"
    & skf18("3","4","3","7","2","10","1") = "9"
    & skf18("3","4","3","7","3","1","1") = "6"
    & skf18("3","4","3","7","3","2","1") = "6"
    & skf18("3","4","3","7","3","3","1") = "6"
    & skf18("3","4","3","7","3","4","1") = "6"
    & skf18("3","4","3","7","3","5","1") = "6"
    & skf18("3","4","3","7","3","6","1") = "6"
    & skf18("3","4","3","7","3","7","1") = "6"
    & skf18("3","4","3","7","3","8","1") = "7"
    & skf18("3","4","3","7","3","9","1") = "8"
    & skf18("3","4","3","7","3","10","1") = "9"
    & skf18("3","4","3","7","4","1","1") = "6"
    & skf18("3","4","3","7","4","2","1") = "6"
    & skf18("3","4","3","7","4","3","1") = "6"
    & skf18("3","4","3","7","4","4","1") = "6"
    & skf18("3","4","3","7","4","5","1") = "6"
    & skf18("3","4","3","7","4","6","1") = "6"
    & skf18("3","4","3","7","4","7","1") = "6"
    & skf18("3","4","3","7","4","8","1") = "7"
    & skf18("3","4","3","7","4","9","1") = "8"
    & skf18("3","4","3","7","4","10","1") = "9"
    & skf18("3","4","3","7","5","1","1") = "6"
    & skf18("3","4","3","7","5","2","1") = "6"
    & skf18("3","4","3","7","5","3","1") = "6"
    & skf18("3","4","3","7","5","4","1") = "6"
    & skf18("3","4","3","7","5","5","1") = "6"
    & skf18("3","4","3","7","5","6","1") = "6"
    & skf18("3","4","3","7","5","7","1") = "6"
    & skf18("3","4","3","7","5","8","1") = "7"
    & skf18("3","4","3","7","5","9","1") = "8"
    & skf18("3","4","3","7","5","10","1") = "9"
    & skf18("3","4","3","7","6","1","1") = "6"
    & skf18("3","4","3","7","6","2","1") = "6"
    & skf18("3","4","3","7","6","3","1") = "6"
    & skf18("3","4","3","7","6","4","1") = "6"
    & skf18("3","4","3","7","6","5","1") = "6"
    & skf18("3","4","3","7","6","6","1") = "6"
    & skf18("3","4","3","7","6","7","1") = "6"
    & skf18("3","4","3","7","6","8","1") = "7"
    & skf18("3","4","3","7","6","9","1") = "8"
    & skf18("3","4","3","7","6","10","1") = "9"
    & skf18("3","4","3","7","7","1","1") = "6"
    & skf18("3","4","3","7","7","2","1") = "6"
    & skf18("3","4","3","7","7","3","1") = "6"
    & skf18("3","4","3","7","7","4","1") = "6"
    & skf18("3","4","3","7","7","5","1") = "6"
    & skf18("3","4","3","7","7","6","1") = "6"
    & skf18("3","4","3","7","7","7","1") = "6"
    & skf18("3","4","3","7","7","8","1") = "7"
    & skf18("3","4","3","7","7","9","1") = "8"
    & skf18("3","4","3","7","7","10","1") = "9"
    & skf18("3","4","3","7","8","1","1") = "7"
    & skf18("3","4","3","7","8","2","1") = "7"
    & skf18("3","4","3","7","8","3","1") = "7"
    & skf18("3","4","3","7","8","4","1") = "7"
    & skf18("3","4","3","7","8","5","1") = "7"
    & skf18("3","4","3","7","8","6","1") = "7"
    & skf18("3","4","3","7","8","7","1") = "7"
    & skf18("3","4","3","7","8","8","1") = "7"
    & skf18("3","4","3","7","8","9","1") = "8"
    & skf18("3","4","3","7","8","10","1") = "9"
    & skf18("3","4","3","7","9","1","1") = "8"
    & skf18("3","4","3","7","9","2","1") = "8"
    & skf18("3","4","3","7","9","3","1") = "8"
    & skf18("3","4","3","7","9","4","1") = "8"
    & skf18("3","4","3","7","9","5","1") = "8"
    & skf18("3","4","3","7","9","6","1") = "8"
    & skf18("3","4","3","7","9","7","1") = "8"
    & skf18("3","4","3","7","9","8","1") = "8"
    & skf18("3","4","3","7","9","9","1") = "8"
    & skf18("3","4","3","7","9","10","1") = "9"
    & skf18("3","4","3","7","10","1","1") = "9"
    & skf18("3","4","3","7","10","2","1") = "9"
    & skf18("3","4","3","7","10","3","1") = "9"
    & skf18("3","4","3","7","10","4","1") = "9"
    & skf18("3","4","3","7","10","5","1") = "9"
    & skf18("3","4","3","7","10","6","1") = "9"
    & skf18("3","4","3","7","10","7","1") = "9"
    & skf18("3","4","3","7","10","8","1") = "9"
    & skf18("3","4","3","7","10","9","1") = "9"
    & skf18("3","4","3","7","10","10","1") = "9"
    & skf18("3","4","3","8","1","1","1") = "7"
    & skf18("3","4","3","8","1","2","1") = "7"
    & skf18("3","4","3","8","1","3","1") = "7"
    & skf18("3","4","3","8","1","4","1") = "7"
    & skf18("3","4","3","8","1","5","1") = "7"
    & skf18("3","4","3","8","1","6","1") = "7"
    & skf18("3","4","3","8","1","7","1") = "7"
    & skf18("3","4","3","8","1","8","1") = "7"
    & skf18("3","4","3","8","1","9","1") = "8"
    & skf18("3","4","3","8","1","10","1") = "9"
    & skf18("3","4","3","8","2","1","1") = "7"
    & skf18("3","4","3","8","2","2","1") = "7"
    & skf18("3","4","3","8","2","3","1") = "7"
    & skf18("3","4","3","8","2","4","1") = "7"
    & skf18("3","4","3","8","2","5","1") = "7"
    & skf18("3","4","3","8","2","6","1") = "7"
    & skf18("3","4","3","8","2","7","1") = "7"
    & skf18("3","4","3","8","2","8","1") = "7"
    & skf18("3","4","3","8","2","9","1") = "8"
    & skf18("3","4","3","8","2","10","1") = "9"
    & skf18("3","4","3","8","3","1","1") = "7"
    & skf18("3","4","3","8","3","2","1") = "7"
    & skf18("3","4","3","8","3","3","1") = "7"
    & skf18("3","4","3","8","3","4","1") = "7"
    & skf18("3","4","3","8","3","5","1") = "7"
    & skf18("3","4","3","8","3","6","1") = "7"
    & skf18("3","4","3","8","3","7","1") = "7"
    & skf18("3","4","3","8","3","8","1") = "7"
    & skf18("3","4","3","8","3","9","1") = "8"
    & skf18("3","4","3","8","3","10","1") = "9"
    & skf18("3","4","3","8","4","1","1") = "7"
    & skf18("3","4","3","8","4","2","1") = "7"
    & skf18("3","4","3","8","4","3","1") = "7"
    & skf18("3","4","3","8","4","4","1") = "7"
    & skf18("3","4","3","8","4","5","1") = "7"
    & skf18("3","4","3","8","4","6","1") = "7"
    & skf18("3","4","3","8","4","7","1") = "7"
    & skf18("3","4","3","8","4","8","1") = "7"
    & skf18("3","4","3","8","4","9","1") = "8"
    & skf18("3","4","3","8","4","10","1") = "9"
    & skf18("3","4","3","8","5","1","1") = "7"
    & skf18("3","4","3","8","5","2","1") = "7"
    & skf18("3","4","3","8","5","3","1") = "7"
    & skf18("3","4","3","8","5","4","1") = "7"
    & skf18("3","4","3","8","5","5","1") = "7"
    & skf18("3","4","3","8","5","6","1") = "7"
    & skf18("3","4","3","8","5","7","1") = "7"
    & skf18("3","4","3","8","5","8","1") = "7"
    & skf18("3","4","3","8","5","9","1") = "8"
    & skf18("3","4","3","8","5","10","1") = "9"
    & skf18("3","4","3","8","6","1","1") = "7"
    & skf18("3","4","3","8","6","2","1") = "7"
    & skf18("3","4","3","8","6","3","1") = "7"
    & skf18("3","4","3","8","6","4","1") = "7"
    & skf18("3","4","3","8","6","5","1") = "7"
    & skf18("3","4","3","8","6","6","1") = "7"
    & skf18("3","4","3","8","6","7","1") = "7"
    & skf18("3","4","3","8","6","8","1") = "7"
    & skf18("3","4","3","8","6","9","1") = "8"
    & skf18("3","4","3","8","6","10","1") = "9"
    & skf18("3","4","3","8","7","1","1") = "7"
    & skf18("3","4","3","8","7","2","1") = "7"
    & skf18("3","4","3","8","7","3","1") = "7"
    & skf18("3","4","3","8","7","4","1") = "7"
    & skf18("3","4","3","8","7","5","1") = "7"
    & skf18("3","4","3","8","7","6","1") = "7"
    & skf18("3","4","3","8","7","7","1") = "7"
    & skf18("3","4","3","8","7","8","1") = "7"
    & skf18("3","4","3","8","7","9","1") = "8"
    & skf18("3","4","3","8","7","10","1") = "9"
    & skf18("3","4","3","8","8","1","1") = "7"
    & skf18("3","4","3","8","8","2","1") = "7"
    & skf18("3","4","3","8","8","3","1") = "7"
    & skf18("3","4","3","8","8","4","1") = "7"
    & skf18("3","4","3","8","8","5","1") = "7"
    & skf18("3","4","3","8","8","6","1") = "7"
    & skf18("3","4","3","8","8","7","1") = "7"
    & skf18("3","4","3","8","8","8","1") = "7"
    & skf18("3","4","3","8","8","9","1") = "8"
    & skf18("3","4","3","8","8","10","1") = "9"
    & skf18("3","4","3","8","9","1","1") = "8"
    & skf18("3","4","3","8","9","2","1") = "8"
    & skf18("3","4","3","8","9","3","1") = "8"
    & skf18("3","4","3","8","9","4","1") = "8"
    & skf18("3","4","3","8","9","5","1") = "8"
    & skf18("3","4","3","8","9","6","1") = "8"
    & skf18("3","4","3","8","9","7","1") = "8"
    & skf18("3","4","3","8","9","8","1") = "8"
    & skf18("3","4","3","8","9","9","1") = "8"
    & skf18("3","4","3","8","9","10","1") = "9"
    & skf18("3","4","3","8","10","1","1") = "9"
    & skf18("3","4","3","8","10","2","1") = "9"
    & skf18("3","4","3","8","10","3","1") = "9"
    & skf18("3","4","3","8","10","4","1") = "9"
    & skf18("3","4","3","8","10","5","1") = "9"
    & skf18("3","4","3","8","10","6","1") = "9"
    & skf18("3","4","3","8","10","7","1") = "9"
    & skf18("3","4","3","8","10","8","1") = "9"
    & skf18("3","4","3","8","10","9","1") = "9"
    & skf18("3","4","3","8","10","10","1") = "9"
    & skf18("3","4","3","9","1","1","1") = "8"
    & skf18("3","4","3","9","1","2","1") = "8"
    & skf18("3","4","3","9","1","3","1") = "8"
    & skf18("3","4","3","9","1","4","1") = "8"
    & skf18("3","4","3","9","1","5","1") = "8"
    & skf18("3","4","3","9","1","6","1") = "8"
    & skf18("3","4","3","9","1","7","1") = "8"
    & skf18("3","4","3","9","1","8","1") = "8"
    & skf18("3","4","3","9","1","9","1") = "8"
    & skf18("3","4","3","9","1","10","1") = "9"
    & skf18("3","4","3","9","2","1","1") = "8"
    & skf18("3","4","3","9","2","2","1") = "8"
    & skf18("3","4","3","9","2","3","1") = "8"
    & skf18("3","4","3","9","2","4","1") = "8"
    & skf18("3","4","3","9","2","5","1") = "8"
    & skf18("3","4","3","9","2","6","1") = "8"
    & skf18("3","4","3","9","2","7","1") = "8"
    & skf18("3","4","3","9","2","8","1") = "8"
    & skf18("3","4","3","9","2","9","1") = "8"
    & skf18("3","4","3","9","2","10","1") = "9"
    & skf18("3","4","3","9","3","1","1") = "8"
    & skf18("3","4","3","9","3","2","1") = "8"
    & skf18("3","4","3","9","3","3","1") = "8"
    & skf18("3","4","3","9","3","4","1") = "8"
    & skf18("3","4","3","9","3","5","1") = "8"
    & skf18("3","4","3","9","3","6","1") = "8"
    & skf18("3","4","3","9","3","7","1") = "8"
    & skf18("3","4","3","9","3","8","1") = "8"
    & skf18("3","4","3","9","3","9","1") = "8"
    & skf18("3","4","3","9","3","10","1") = "9"
    & skf18("3","4","3","9","4","1","1") = "8"
    & skf18("3","4","3","9","4","2","1") = "8"
    & skf18("3","4","3","9","4","3","1") = "8"
    & skf18("3","4","3","9","4","4","1") = "8"
    & skf18("3","4","3","9","4","5","1") = "8"
    & skf18("3","4","3","9","4","6","1") = "8"
    & skf18("3","4","3","9","4","7","1") = "8"
    & skf18("3","4","3","9","4","8","1") = "8"
    & skf18("3","4","3","9","4","9","1") = "8"
    & skf18("3","4","3","9","4","10","1") = "9"
    & skf18("3","4","3","9","5","1","1") = "8"
    & skf18("3","4","3","9","5","2","1") = "8"
    & skf18("3","4","3","9","5","3","1") = "8"
    & skf18("3","4","3","9","5","4","1") = "8"
    & skf18("3","4","3","9","5","5","1") = "8"
    & skf18("3","4","3","9","5","6","1") = "8"
    & skf18("3","4","3","9","5","7","1") = "8"
    & skf18("3","4","3","9","5","8","1") = "8"
    & skf18("3","4","3","9","5","9","1") = "8"
    & skf18("3","4","3","9","5","10","1") = "9"
    & skf18("3","4","3","9","6","1","1") = "8"
    & skf18("3","4","3","9","6","2","1") = "8"
    & skf18("3","4","3","9","6","3","1") = "8"
    & skf18("3","4","3","9","6","4","1") = "8"
    & skf18("3","4","3","9","6","5","1") = "8"
    & skf18("3","4","3","9","6","6","1") = "8"
    & skf18("3","4","3","9","6","7","1") = "8"
    & skf18("3","4","3","9","6","8","1") = "8"
    & skf18("3","4","3","9","6","9","1") = "8"
    & skf18("3","4","3","9","6","10","1") = "9"
    & skf18("3","4","3","9","7","1","1") = "8"
    & skf18("3","4","3","9","7","2","1") = "8"
    & skf18("3","4","3","9","7","3","1") = "8"
    & skf18("3","4","3","9","7","4","1") = "8"
    & skf18("3","4","3","9","7","5","1") = "8"
    & skf18("3","4","3","9","7","6","1") = "8"
    & skf18("3","4","3","9","7","7","1") = "8"
    & skf18("3","4","3","9","7","8","1") = "8"
    & skf18("3","4","3","9","7","9","1") = "8"
    & skf18("3","4","3","9","7","10","1") = "9"
    & skf18("3","4","3","9","8","1","1") = "8"
    & skf18("3","4","3","9","8","2","1") = "8"
    & skf18("3","4","3","9","8","3","1") = "8"
    & skf18("3","4","3","9","8","4","1") = "8"
    & skf18("3","4","3","9","8","5","1") = "8"
    & skf18("3","4","3","9","8","6","1") = "8"
    & skf18("3","4","3","9","8","7","1") = "8"
    & skf18("3","4","3","9","8","8","1") = "8"
    & skf18("3","4","3","9","8","9","1") = "8"
    & skf18("3","4","3","9","8","10","1") = "9"
    & skf18("3","4","3","9","9","1","1") = "8"
    & skf18("3","4","3","9","9","2","1") = "8"
    & skf18("3","4","3","9","9","3","1") = "8"
    & skf18("3","4","3","9","9","4","1") = "8"
    & skf18("3","4","3","9","9","5","1") = "8"
    & skf18("3","4","3","9","9","6","1") = "8"
    & skf18("3","4","3","9","9","7","1") = "8"
    & skf18("3","4","3","9","9","8","1") = "8"
    & skf18("3","4","3","9","9","9","1") = "8"
    & skf18("3","4","3","9","9","10","1") = "9"
    & skf18("3","4","3","9","10","1","1") = "9"
    & skf18("3","4","3","9","10","2","1") = "9"
    & skf18("3","4","3","9","10","3","1") = "9"
    & skf18("3","4","3","9","10","4","1") = "9"
    & skf18("3","4","3","9","10","5","1") = "9"
    & skf18("3","4","3","9","10","6","1") = "9"
    & skf18("3","4","3","9","10","7","1") = "9"
    & skf18("3","4","3","9","10","8","1") = "9"
    & skf18("3","4","3","9","10","9","1") = "9"
    & skf18("3","4","3","9","10","10","1") = "9"
    & skf18("3","4","3","10","1","1","1") = "9"
    & skf18("3","4","3","10","1","2","1") = "9"
    & skf18("3","4","3","10","1","3","1") = "9"
    & skf18("3","4","3","10","1","4","1") = "9"
    & skf18("3","4","3","10","1","5","1") = "9"
    & skf18("3","4","3","10","1","6","1") = "9"
    & skf18("3","4","3","10","1","7","1") = "9"
    & skf18("3","4","3","10","1","8","1") = "9"
    & skf18("3","4","3","10","1","9","1") = "9"
    & skf18("3","4","3","10","1","10","1") = "9"
    & skf18("3","4","3","10","2","1","1") = "9"
    & skf18("3","4","3","10","2","2","1") = "9"
    & skf18("3","4","3","10","2","3","1") = "9"
    & skf18("3","4","3","10","2","4","1") = "9"
    & skf18("3","4","3","10","2","5","1") = "9"
    & skf18("3","4","3","10","2","6","1") = "9"
    & skf18("3","4","3","10","2","7","1") = "9"
    & skf18("3","4","3","10","2","8","1") = "9"
    & skf18("3","4","3","10","2","9","1") = "9"
    & skf18("3","4","3","10","2","10","1") = "9"
    & skf18("3","4","3","10","3","1","1") = "9"
    & skf18("3","4","3","10","3","2","1") = "9"
    & skf18("3","4","3","10","3","3","1") = "9"
    & skf18("3","4","3","10","3","4","1") = "9"
    & skf18("3","4","3","10","3","5","1") = "9"
    & skf18("3","4","3","10","3","6","1") = "9"
    & skf18("3","4","3","10","3","7","1") = "9"
    & skf18("3","4","3","10","3","8","1") = "9"
    & skf18("3","4","3","10","3","9","1") = "9"
    & skf18("3","4","3","10","3","10","1") = "9"
    & skf18("3","4","3","10","4","1","1") = "9"
    & skf18("3","4","3","10","4","2","1") = "9"
    & skf18("3","4","3","10","4","3","1") = "9"
    & skf18("3","4","3","10","4","4","1") = "9"
    & skf18("3","4","3","10","4","5","1") = "9"
    & skf18("3","4","3","10","4","6","1") = "9"
    & skf18("3","4","3","10","4","7","1") = "9"
    & skf18("3","4","3","10","4","8","1") = "9"
    & skf18("3","4","3","10","4","9","1") = "9"
    & skf18("3","4","3","10","4","10","1") = "9"
    & skf18("3","4","3","10","5","1","1") = "9"
    & skf18("3","4","3","10","5","2","1") = "9"
    & skf18("3","4","3","10","5","3","1") = "9"
    & skf18("3","4","3","10","5","4","1") = "9"
    & skf18("3","4","3","10","5","5","1") = "9"
    & skf18("3","4","3","10","5","6","1") = "9"
    & skf18("3","4","3","10","5","7","1") = "9"
    & skf18("3","4","3","10","5","8","1") = "9"
    & skf18("3","4","3","10","5","9","1") = "9"
    & skf18("3","4","3","10","5","10","1") = "9"
    & skf18("3","4","3","10","6","1","1") = "9"
    & skf18("3","4","3","10","6","2","1") = "9"
    & skf18("3","4","3","10","6","3","1") = "9"
    & skf18("3","4","3","10","6","4","1") = "9"
    & skf18("3","4","3","10","6","5","1") = "9"
    & skf18("3","4","3","10","6","6","1") = "9"
    & skf18("3","4","3","10","6","7","1") = "9"
    & skf18("3","4","3","10","6","8","1") = "9"
    & skf18("3","4","3","10","6","9","1") = "9"
    & skf18("3","4","3","10","6","10","1") = "9"
    & skf18("3","4","3","10","7","1","1") = "9"
    & skf18("3","4","3","10","7","2","1") = "9"
    & skf18("3","4","3","10","7","3","1") = "9"
    & skf18("3","4","3","10","7","4","1") = "9"
    & skf18("3","4","3","10","7","5","1") = "9"
    & skf18("3","4","3","10","7","6","1") = "9"
    & skf18("3","4","3","10","7","7","1") = "9"
    & skf18("3","4","3","10","7","8","1") = "9"
    & skf18("3","4","3","10","7","9","1") = "9"
    & skf18("3","4","3","10","7","10","1") = "9"
    & skf18("3","4","3","10","8","1","1") = "9"
    & skf18("3","4","3","10","8","2","1") = "9"
    & skf18("3","4","3","10","8","3","1") = "9"
    & skf18("3","4","3","10","8","4","1") = "9"
    & skf18("3","4","3","10","8","5","1") = "9"
    & skf18("3","4","3","10","8","6","1") = "9"
    & skf18("3","4","3","10","8","7","1") = "9"
    & skf18("3","4","3","10","8","8","1") = "9"
    & skf18("3","4","3","10","8","9","1") = "9"
    & skf18("3","4","3","10","8","10","1") = "9"
    & skf18("3","4","3","10","9","1","1") = "9"
    & skf18("3","4","3","10","9","2","1") = "9"
    & skf18("3","4","3","10","9","3","1") = "9"
    & skf18("3","4","3","10","9","4","1") = "9"
    & skf18("3","4","3","10","9","5","1") = "9"
    & skf18("3","4","3","10","9","6","1") = "9"
    & skf18("3","4","3","10","9","7","1") = "9"
    & skf18("3","4","3","10","9","8","1") = "9"
    & skf18("3","4","3","10","9","9","1") = "9"
    & skf18("3","4","3","10","9","10","1") = "9"
    & skf18("3","4","3","10","10","1","1") = "9"
    & skf18("3","4","3","10","10","2","1") = "9"
    & skf18("3","4","3","10","10","3","1") = "9"
    & skf18("3","4","3","10","10","4","1") = "9"
    & skf18("3","4","3","10","10","5","1") = "9"
    & skf18("3","4","3","10","10","6","1") = "9"
    & skf18("3","4","3","10","10","7","1") = "9"
    & skf18("3","4","3","10","10","8","1") = "9"
    & skf18("3","4","3","10","10","9","1") = "9"
    & skf18("3","4","3","10","10","10","1") = "9"
    & skf18("3","4","4","1","1","1","1") = "3"
    & skf18("3","4","4","1","1","2","1") = "3"
    & skf18("3","4","4","1","1","3","1") = "3"
    & skf18("3","4","4","1","1","4","1") = "3"
    & skf18("3","4","4","1","1","5","1") = "4"
    & skf18("3","4","4","1","1","6","1") = "5"
    & skf18("3","4","4","1","1","7","1") = "6"
    & skf18("3","4","4","1","1","8","1") = "7"
    & skf18("3","4","4","1","1","9","1") = "8"
    & skf18("3","4","4","1","1","10","1") = "9"
    & skf18("3","4","4","1","2","1","1") = "3"
    & skf18("3","4","4","1","2","2","1") = "3"
    & skf18("3","4","4","1","2","3","1") = "3"
    & skf18("3","4","4","1","2","4","1") = "3"
    & skf18("3","4","4","1","2","5","1") = "4"
    & skf18("3","4","4","1","2","6","1") = "5"
    & skf18("3","4","4","1","2","7","1") = "6"
    & skf18("3","4","4","1","2","8","1") = "7"
    & skf18("3","4","4","1","2","9","1") = "8"
    & skf18("3","4","4","1","2","10","1") = "9"
    & skf18("3","4","4","1","3","1","1") = "3"
    & skf18("3","4","4","1","3","2","1") = "3"
    & skf18("3","4","4","1","3","3","1") = "3"
    & skf18("3","4","4","1","3","4","1") = "3"
    & skf18("3","4","4","1","3","5","1") = "4"
    & skf18("3","4","4","1","3","6","1") = "5"
    & skf18("3","4","4","1","3","7","1") = "6"
    & skf18("3","4","4","1","3","8","1") = "7"
    & skf18("3","4","4","1","3","9","1") = "8"
    & skf18("3","4","4","1","3","10","1") = "9"
    & skf18("3","4","4","1","4","1","1") = "3"
    & skf18("3","4","4","1","4","2","1") = "3"
    & skf18("3","4","4","1","4","3","1") = "3"
    & skf18("3","4","4","1","4","4","1") = "3"
    & skf18("3","4","4","1","4","5","1") = "4"
    & skf18("3","4","4","1","4","6","1") = "5"
    & skf18("3","4","4","1","4","7","1") = "6"
    & skf18("3","4","4","1","4","8","1") = "7"
    & skf18("3","4","4","1","4","9","1") = "8"
    & skf18("3","4","4","1","4","10","1") = "9"
    & skf18("3","4","4","1","5","1","1") = "4"
    & skf18("3","4","4","1","5","2","1") = "4"
    & skf18("3","4","4","1","5","3","1") = "4"
    & skf18("3","4","4","1","5","4","1") = "4"
    & skf18("3","4","4","1","5","5","1") = "4"
    & skf18("3","4","4","1","5","6","1") = "5"
    & skf18("3","4","4","1","5","7","1") = "6"
    & skf18("3","4","4","1","5","8","1") = "7"
    & skf18("3","4","4","1","5","9","1") = "8"
    & skf18("3","4","4","1","5","10","1") = "9"
    & skf18("3","4","4","1","6","1","1") = "5"
    & skf18("3","4","4","1","6","2","1") = "5"
    & skf18("3","4","4","1","6","3","1") = "5"
    & skf18("3","4","4","1","6","4","1") = "5"
    & skf18("3","4","4","1","6","5","1") = "5"
    & skf18("3","4","4","1","6","6","1") = "5"
    & skf18("3","4","4","1","6","7","1") = "6"
    & skf18("3","4","4","1","6","8","1") = "7"
    & skf18("3","4","4","1","6","9","1") = "8"
    & skf18("3","4","4","1","6","10","1") = "9"
    & skf18("3","4","4","1","7","1","1") = "6"
    & skf18("3","4","4","1","7","2","1") = "6"
    & skf18("3","4","4","1","7","3","1") = "6"
    & skf18("3","4","4","1","7","4","1") = "6"
    & skf18("3","4","4","1","7","5","1") = "6"
    & skf18("3","4","4","1","7","6","1") = "6"
    & skf18("3","4","4","1","7","7","1") = "6"
    & skf18("3","4","4","1","7","8","1") = "7"
    & skf18("3","4","4","1","7","9","1") = "8"
    & skf18("3","4","4","1","7","10","1") = "9"
    & skf18("3","4","4","1","8","1","1") = "7"
    & skf18("3","4","4","1","8","2","1") = "7"
    & skf18("3","4","4","1","8","3","1") = "7"
    & skf18("3","4","4","1","8","4","1") = "7"
    & skf18("3","4","4","1","8","5","1") = "7"
    & skf18("3","4","4","1","8","6","1") = "7"
    & skf18("3","4","4","1","8","7","1") = "7"
    & skf18("3","4","4","1","8","8","1") = "7"
    & skf18("3","4","4","1","8","9","1") = "8"
    & skf18("3","4","4","1","8","10","1") = "9"
    & skf18("3","4","4","1","9","1","1") = "8"
    & skf18("3","4","4","1","9","2","1") = "8"
    & skf18("3","4","4","1","9","3","1") = "8"
    & skf18("3","4","4","1","9","4","1") = "8"
    & skf18("3","4","4","1","9","5","1") = "8"
    & skf18("3","4","4","1","9","6","1") = "8"
    & skf18("3","4","4","1","9","7","1") = "8"
    & skf18("3","4","4","1","9","8","1") = "8"
    & skf18("3","4","4","1","9","9","1") = "8"
    & skf18("3","4","4","1","9","10","1") = "9"
    & skf18("3","4","4","1","10","1","1") = "9"
    & skf18("3","4","4","1","10","2","1") = "9"
    & skf18("3","4","4","1","10","3","1") = "9"
    & skf18("3","4","4","1","10","4","1") = "9"
    & skf18("3","4","4","1","10","5","1") = "9"
    & skf18("3","4","4","1","10","6","1") = "9"
    & skf18("3","4","4","1","10","7","1") = "9"
    & skf18("3","4","4","1","10","8","1") = "9"
    & skf18("3","4","4","1","10","9","1") = "9"
    & skf18("3","4","4","1","10","10","1") = "9"
    & skf18("3","4","4","2","1","1","1") = "3"
    & skf18("3","4","4","2","1","2","1") = "3"
    & skf18("3","4","4","2","1","3","1") = "3"
    & skf18("3","4","4","2","1","4","1") = "3"
    & skf18("3","4","4","2","1","5","1") = "4"
    & skf18("3","4","4","2","1","6","1") = "5"
    & skf18("3","4","4","2","1","7","1") = "6"
    & skf18("3","4","4","2","1","8","1") = "7"
    & skf18("3","4","4","2","1","9","1") = "8"
    & skf18("3","4","4","2","1","10","1") = "9"
    & skf18("3","4","4","2","2","1","1") = "3"
    & skf18("3","4","4","2","2","2","1") = "3"
    & skf18("3","4","4","2","2","3","1") = "3"
    & skf18("3","4","4","2","2","4","1") = "3"
    & skf18("3","4","4","2","2","5","1") = "4"
    & skf18("3","4","4","2","2","6","1") = "5"
    & skf18("3","4","4","2","2","7","1") = "6"
    & skf18("3","4","4","2","2","8","1") = "7"
    & skf18("3","4","4","2","2","9","1") = "8"
    & skf18("3","4","4","2","2","10","1") = "9"
    & skf18("3","4","4","2","3","1","1") = "3"
    & skf18("3","4","4","2","3","2","1") = "3"
    & skf18("3","4","4","2","3","3","1") = "3"
    & skf18("3","4","4","2","3","4","1") = "3"
    & skf18("3","4","4","2","3","5","1") = "4"
    & skf18("3","4","4","2","3","6","1") = "5"
    & skf18("3","4","4","2","3","7","1") = "6"
    & skf18("3","4","4","2","3","8","1") = "7"
    & skf18("3","4","4","2","3","9","1") = "8"
    & skf18("3","4","4","2","3","10","1") = "9"
    & skf18("3","4","4","2","4","1","1") = "3"
    & skf18("3","4","4","2","4","2","1") = "3"
    & skf18("3","4","4","2","4","3","1") = "3"
    & skf18("3","4","4","2","4","4","1") = "3"
    & skf18("3","4","4","2","4","5","1") = "4"
    & skf18("3","4","4","2","4","6","1") = "5"
    & skf18("3","4","4","2","4","7","1") = "6"
    & skf18("3","4","4","2","4","8","1") = "7"
    & skf18("3","4","4","2","4","9","1") = "8"
    & skf18("3","4","4","2","4","10","1") = "9"
    & skf18("3","4","4","2","5","1","1") = "4"
    & skf18("3","4","4","2","5","2","1") = "4"
    & skf18("3","4","4","2","5","3","1") = "4"
    & skf18("3","4","4","2","5","4","1") = "4"
    & skf18("3","4","4","2","5","5","1") = "4"
    & skf18("3","4","4","2","5","6","1") = "5"
    & skf18("3","4","4","2","5","7","1") = "6"
    & skf18("3","4","4","2","5","8","1") = "7"
    & skf18("3","4","4","2","5","9","1") = "8"
    & skf18("3","4","4","2","5","10","1") = "9"
    & skf18("3","4","4","2","6","1","1") = "5"
    & skf18("3","4","4","2","6","2","1") = "5"
    & skf18("3","4","4","2","6","3","1") = "5"
    & skf18("3","4","4","2","6","4","1") = "5"
    & skf18("3","4","4","2","6","5","1") = "5"
    & skf18("3","4","4","2","6","6","1") = "5"
    & skf18("3","4","4","2","6","7","1") = "6"
    & skf18("3","4","4","2","6","8","1") = "7"
    & skf18("3","4","4","2","6","9","1") = "8"
    & skf18("3","4","4","2","6","10","1") = "9"
    & skf18("3","4","4","2","7","1","1") = "6"
    & skf18("3","4","4","2","7","2","1") = "6"
    & skf18("3","4","4","2","7","3","1") = "6"
    & skf18("3","4","4","2","7","4","1") = "6"
    & skf18("3","4","4","2","7","5","1") = "6"
    & skf18("3","4","4","2","7","6","1") = "6"
    & skf18("3","4","4","2","7","7","1") = "6"
    & skf18("3","4","4","2","7","8","1") = "7"
    & skf18("3","4","4","2","7","9","1") = "8"
    & skf18("3","4","4","2","7","10","1") = "9"
    & skf18("3","4","4","2","8","1","1") = "7"
    & skf18("3","4","4","2","8","2","1") = "7"
    & skf18("3","4","4","2","8","3","1") = "7"
    & skf18("3","4","4","2","8","4","1") = "7"
    & skf18("3","4","4","2","8","5","1") = "7"
    & skf18("3","4","4","2","8","6","1") = "7"
    & skf18("3","4","4","2","8","7","1") = "7"
    & skf18("3","4","4","2","8","8","1") = "7"
    & skf18("3","4","4","2","8","9","1") = "8"
    & skf18("3","4","4","2","8","10","1") = "9"
    & skf18("3","4","4","2","9","1","1") = "8"
    & skf18("3","4","4","2","9","2","1") = "8"
    & skf18("3","4","4","2","9","3","1") = "8"
    & skf18("3","4","4","2","9","4","1") = "8"
    & skf18("3","4","4","2","9","5","1") = "8"
    & skf18("3","4","4","2","9","6","1") = "8"
    & skf18("3","4","4","2","9","7","1") = "8"
    & skf18("3","4","4","2","9","8","1") = "8"
    & skf18("3","4","4","2","9","9","1") = "8"
    & skf18("3","4","4","2","9","10","1") = "9"
    & skf18("3","4","4","2","10","1","1") = "9"
    & skf18("3","4","4","2","10","2","1") = "9"
    & skf18("3","4","4","2","10","3","1") = "9"
    & skf18("3","4","4","2","10","4","1") = "9"
    & skf18("3","4","4","2","10","5","1") = "9"
    & skf18("3","4","4","2","10","6","1") = "9"
    & skf18("3","4","4","2","10","7","1") = "9"
    & skf18("3","4","4","2","10","8","1") = "9"
    & skf18("3","4","4","2","10","9","1") = "9"
    & skf18("3","4","4","2","10","10","1") = "9"
    & skf18("3","4","4","3","1","1","1") = "3"
    & skf18("3","4","4","3","1","2","1") = "3"
    & skf18("3","4","4","3","1","3","1") = "3"
    & skf18("3","4","4","3","1","4","1") = "3"
    & skf18("3","4","4","3","1","5","1") = "4"
    & skf18("3","4","4","3","1","6","1") = "5"
    & skf18("3","4","4","3","1","7","1") = "6"
    & skf18("3","4","4","3","1","8","1") = "7"
    & skf18("3","4","4","3","1","9","1") = "8"
    & skf18("3","4","4","3","1","10","1") = "9"
    & skf18("3","4","4","3","2","1","1") = "3"
    & skf18("3","4","4","3","2","2","1") = "3"
    & skf18("3","4","4","3","2","3","1") = "3"
    & skf18("3","4","4","3","2","4","1") = "3"
    & skf18("3","4","4","3","2","5","1") = "4"
    & skf18("3","4","4","3","2","6","1") = "5"
    & skf18("3","4","4","3","2","7","1") = "6"
    & skf18("3","4","4","3","2","8","1") = "7"
    & skf18("3","4","4","3","2","9","1") = "8"
    & skf18("3","4","4","3","2","10","1") = "9"
    & skf18("3","4","4","3","3","1","1") = "3"
    & skf18("3","4","4","3","3","2","1") = "3"
    & skf18("3","4","4","3","3","3","1") = "3"
    & skf18("3","4","4","3","3","4","1") = "3"
    & skf18("3","4","4","3","3","5","1") = "4"
    & skf18("3","4","4","3","3","6","1") = "5"
    & skf18("3","4","4","3","3","7","1") = "6"
    & skf18("3","4","4","3","3","8","1") = "7"
    & skf18("3","4","4","3","3","9","1") = "8"
    & skf18("3","4","4","3","3","10","1") = "9"
    & skf18("3","4","4","3","4","1","1") = "3"
    & skf18("3","4","4","3","4","2","1") = "3"
    & skf18("3","4","4","3","4","3","1") = "3"
    & skf18("3","4","4","3","4","4","1") = "3"
    & skf18("3","4","4","3","4","5","1") = "4"
    & skf18("3","4","4","3","4","6","1") = "5"
    & skf18("3","4","4","3","4","7","1") = "6"
    & skf18("3","4","4","3","4","8","1") = "7"
    & skf18("3","4","4","3","4","9","1") = "8"
    & skf18("3","4","4","3","4","10","1") = "9"
    & skf18("3","4","4","3","5","1","1") = "4"
    & skf18("3","4","4","3","5","2","1") = "4"
    & skf18("3","4","4","3","5","3","1") = "4"
    & skf18("3","4","4","3","5","4","1") = "4"
    & skf18("3","4","4","3","5","5","1") = "4"
    & skf18("3","4","4","3","5","6","1") = "5"
    & skf18("3","4","4","3","5","7","1") = "6"
    & skf18("3","4","4","3","5","8","1") = "7"
    & skf18("3","4","4","3","5","9","1") = "8"
    & skf18("3","4","4","3","5","10","1") = "9"
    & skf18("3","4","4","3","6","1","1") = "5"
    & skf18("3","4","4","3","6","2","1") = "5"
    & skf18("3","4","4","3","6","3","1") = "5"
    & skf18("3","4","4","3","6","4","1") = "5"
    & skf18("3","4","4","3","6","5","1") = "5"
    & skf18("3","4","4","3","6","6","1") = "5"
    & skf18("3","4","4","3","6","7","1") = "6"
    & skf18("3","4","4","3","6","8","1") = "7"
    & skf18("3","4","4","3","6","9","1") = "8"
    & skf18("3","4","4","3","6","10","1") = "9"
    & skf18("3","4","4","3","7","1","1") = "6"
    & skf18("3","4","4","3","7","2","1") = "6"
    & skf18("3","4","4","3","7","3","1") = "6"
    & skf18("3","4","4","3","7","4","1") = "6"
    & skf18("3","4","4","3","7","5","1") = "6"
    & skf18("3","4","4","3","7","6","1") = "6"
    & skf18("3","4","4","3","7","7","1") = "6"
    & skf18("3","4","4","3","7","8","1") = "7"
    & skf18("3","4","4","3","7","9","1") = "8"
    & skf18("3","4","4","3","7","10","1") = "9"
    & skf18("3","4","4","3","8","1","1") = "7"
    & skf18("3","4","4","3","8","2","1") = "7"
    & skf18("3","4","4","3","8","3","1") = "7"
    & skf18("3","4","4","3","8","4","1") = "7"
    & skf18("3","4","4","3","8","5","1") = "7"
    & skf18("3","4","4","3","8","6","1") = "7"
    & skf18("3","4","4","3","8","7","1") = "7"
    & skf18("3","4","4","3","8","8","1") = "7"
    & skf18("3","4","4","3","8","9","1") = "8"
    & skf18("3","4","4","3","8","10","1") = "9"
    & skf18("3","4","4","3","9","1","1") = "8"
    & skf18("3","4","4","3","9","2","1") = "8"
    & skf18("3","4","4","3","9","3","1") = "8"
    & skf18("3","4","4","3","9","4","1") = "8"
    & skf18("3","4","4","3","9","5","1") = "8"
    & skf18("3","4","4","3","9","6","1") = "8"
    & skf18("3","4","4","3","9","7","1") = "8"
    & skf18("3","4","4","3","9","8","1") = "8"
    & skf18("3","4","4","3","9","9","1") = "8"
    & skf18("3","4","4","3","9","10","1") = "9"
    & skf18("3","4","4","3","10","1","1") = "9"
    & skf18("3","4","4","3","10","2","1") = "9"
    & skf18("3","4","4","3","10","3","1") = "9"
    & skf18("3","4","4","3","10","4","1") = "9"
    & skf18("3","4","4","3","10","5","1") = "9"
    & skf18("3","4","4","3","10","6","1") = "9"
    & skf18("3","4","4","3","10","7","1") = "9"
    & skf18("3","4","4","3","10","8","1") = "9"
    & skf18("3","4","4","3","10","9","1") = "9"
    & skf18("3","4","4","3","10","10","1") = "9"
    & skf18("3","4","4","4","1","1","1") = "3"
    & skf18("3","4","4","4","1","2","1") = "3"
    & skf18("3","4","4","4","1","3","1") = "3"
    & skf18("3","4","4","4","1","4","1") = "3"
    & skf18("3","4","4","4","1","5","1") = "4"
    & skf18("3","4","4","4","1","6","1") = "5"
    & skf18("3","4","4","4","1","7","1") = "6"
    & skf18("3","4","4","4","1","8","1") = "7"
    & skf18("3","4","4","4","1","9","1") = "8"
    & skf18("3","4","4","4","1","10","1") = "9"
    & skf18("3","4","4","4","2","1","1") = "3"
    & skf18("3","4","4","4","2","2","1") = "3"
    & skf18("3","4","4","4","2","3","1") = "3"
    & skf18("3","4","4","4","2","4","1") = "3"
    & skf18("3","4","4","4","2","5","1") = "4"
    & skf18("3","4","4","4","2","6","1") = "5"
    & skf18("3","4","4","4","2","7","1") = "6"
    & skf18("3","4","4","4","2","8","1") = "7"
    & skf18("3","4","4","4","2","9","1") = "8"
    & skf18("3","4","4","4","2","10","1") = "9"
    & skf18("3","4","4","4","3","1","1") = "3"
    & skf18("3","4","4","4","3","2","1") = "3"
    & skf18("3","4","4","4","3","3","1") = "3"
    & skf18("3","4","4","4","3","4","1") = "3"
    & skf18("3","4","4","4","3","5","1") = "4"
    & skf18("3","4","4","4","3","6","1") = "5"
    & skf18("3","4","4","4","3","7","1") = "6"
    & skf18("3","4","4","4","3","8","1") = "7"
    & skf18("3","4","4","4","3","9","1") = "8"
    & skf18("3","4","4","4","3","10","1") = "9"
    & skf18("3","4","4","4","4","1","1") = "3"
    & skf18("3","4","4","4","4","2","1") = "3"
    & skf18("3","4","4","4","4","3","1") = "3"
    & skf18("3","4","4","4","4","4","1") = "3"
    & skf18("3","4","4","4","4","5","1") = "4"
    & skf18("3","4","4","4","4","6","1") = "5"
    & skf18("3","4","4","4","4","7","1") = "6"
    & skf18("3","4","4","4","4","8","1") = "7"
    & skf18("3","4","4","4","4","9","1") = "8"
    & skf18("3","4","4","4","4","10","1") = "9"
    & skf18("3","4","4","4","5","1","1") = "4"
    & skf18("3","4","4","4","5","2","1") = "4"
    & skf18("3","4","4","4","5","3","1") = "4"
    & skf18("3","4","4","4","5","4","1") = "4"
    & skf18("3","4","4","4","5","5","1") = "4"
    & skf18("3","4","4","4","5","6","1") = "5"
    & skf18("3","4","4","4","5","7","1") = "6"
    & skf18("3","4","4","4","5","8","1") = "7"
    & skf18("3","4","4","4","5","9","1") = "8"
    & skf18("3","4","4","4","5","10","1") = "9"
    & skf18("3","4","4","4","6","1","1") = "5"
    & skf18("3","4","4","4","6","2","1") = "5"
    & skf18("3","4","4","4","6","3","1") = "5"
    & skf18("3","4","4","4","6","4","1") = "5"
    & skf18("3","4","4","4","6","5","1") = "5"
    & skf18("3","4","4","4","6","6","1") = "5"
    & skf18("3","4","4","4","6","7","1") = "6"
    & skf18("3","4","4","4","6","8","1") = "7"
    & skf18("3","4","4","4","6","9","1") = "8"
    & skf18("3","4","4","4","6","10","1") = "9"
    & skf18("3","4","4","4","7","1","1") = "6"
    & skf18("3","4","4","4","7","2","1") = "6"
    & skf18("3","4","4","4","7","3","1") = "6"
    & skf18("3","4","4","4","7","4","1") = "6"
    & skf18("3","4","4","4","7","5","1") = "6"
    & skf18("3","4","4","4","7","6","1") = "6"
    & skf18("3","4","4","4","7","7","1") = "6"
    & skf18("3","4","4","4","7","8","1") = "7"
    & skf18("3","4","4","4","7","9","1") = "8"
    & skf18("3","4","4","4","7","10","1") = "9"
    & skf18("3","4","4","4","8","1","1") = "7"
    & skf18("3","4","4","4","8","2","1") = "7"
    & skf18("3","4","4","4","8","3","1") = "7"
    & skf18("3","4","4","4","8","4","1") = "7"
    & skf18("3","4","4","4","8","5","1") = "7"
    & skf18("3","4","4","4","8","6","1") = "7"
    & skf18("3","4","4","4","8","7","1") = "7"
    & skf18("3","4","4","4","8","8","1") = "7"
    & skf18("3","4","4","4","8","9","1") = "8"
    & skf18("3","4","4","4","8","10","1") = "9"
    & skf18("3","4","4","4","9","1","1") = "8"
    & skf18("3","4","4","4","9","2","1") = "8"
    & skf18("3","4","4","4","9","3","1") = "8"
    & skf18("3","4","4","4","9","4","1") = "8"
    & skf18("3","4","4","4","9","5","1") = "8"
    & skf18("3","4","4","4","9","6","1") = "8"
    & skf18("3","4","4","4","9","7","1") = "8"
    & skf18("3","4","4","4","9","8","1") = "8"
    & skf18("3","4","4","4","9","9","1") = "8"
    & skf18("3","4","4","4","9","10","1") = "9"
    & skf18("3","4","4","4","10","1","1") = "9"
    & skf18("3","4","4","4","10","2","1") = "9"
    & skf18("3","4","4","4","10","3","1") = "9"
    & skf18("3","4","4","4","10","4","1") = "9"
    & skf18("3","4","4","4","10","5","1") = "9"
    & skf18("3","4","4","4","10","6","1") = "9"
    & skf18("3","4","4","4","10","7","1") = "9"
    & skf18("3","4","4","4","10","8","1") = "9"
    & skf18("3","4","4","4","10","9","1") = "9"
    & skf18("3","4","4","4","10","10","1") = "9"
    & skf18("3","4","4","5","1","1","1") = "4"
    & skf18("3","4","4","5","1","2","1") = "4"
    & skf18("3","4","4","5","1","3","1") = "4"
    & skf18("3","4","4","5","1","4","1") = "4"
    & skf18("3","4","4","5","1","5","1") = "4"
    & skf18("3","4","4","5","1","6","1") = "5"
    & skf18("3","4","4","5","1","7","1") = "6"
    & skf18("3","4","4","5","1","8","1") = "7"
    & skf18("3","4","4","5","1","9","1") = "8"
    & skf18("3","4","4","5","1","10","1") = "9"
    & skf18("3","4","4","5","2","1","1") = "4"
    & skf18("3","4","4","5","2","2","1") = "4"
    & skf18("3","4","4","5","2","3","1") = "4"
    & skf18("3","4","4","5","2","4","1") = "4"
    & skf18("3","4","4","5","2","5","1") = "4"
    & skf18("3","4","4","5","2","6","1") = "5"
    & skf18("3","4","4","5","2","7","1") = "6"
    & skf18("3","4","4","5","2","8","1") = "7"
    & skf18("3","4","4","5","2","9","1") = "8"
    & skf18("3","4","4","5","2","10","1") = "9"
    & skf18("3","4","4","5","3","1","1") = "4"
    & skf18("3","4","4","5","3","2","1") = "4"
    & skf18("3","4","4","5","3","3","1") = "4"
    & skf18("3","4","4","5","3","4","1") = "4"
    & skf18("3","4","4","5","3","5","1") = "4"
    & skf18("3","4","4","5","3","6","1") = "5"
    & skf18("3","4","4","5","3","7","1") = "6"
    & skf18("3","4","4","5","3","8","1") = "7"
    & skf18("3","4","4","5","3","9","1") = "8"
    & skf18("3","4","4","5","3","10","1") = "9"
    & skf18("3","4","4","5","4","1","1") = "4"
    & skf18("3","4","4","5","4","2","1") = "4"
    & skf18("3","4","4","5","4","3","1") = "4"
    & skf18("3","4","4","5","4","4","1") = "4"
    & skf18("3","4","4","5","4","5","1") = "4"
    & skf18("3","4","4","5","4","6","1") = "5"
    & skf18("3","4","4","5","4","7","1") = "6"
    & skf18("3","4","4","5","4","8","1") = "7"
    & skf18("3","4","4","5","4","9","1") = "8"
    & skf18("3","4","4","5","4","10","1") = "9"
    & skf18("3","4","4","5","5","1","1") = "4"
    & skf18("3","4","4","5","5","2","1") = "4"
    & skf18("3","4","4","5","5","3","1") = "4"
    & skf18("3","4","4","5","5","4","1") = "4"
    & skf18("3","4","4","5","5","5","1") = "4"
    & skf18("3","4","4","5","5","6","1") = "5"
    & skf18("3","4","4","5","5","7","1") = "6"
    & skf18("3","4","4","5","5","8","1") = "7"
    & skf18("3","4","4","5","5","9","1") = "8"
    & skf18("3","4","4","5","5","10","1") = "9"
    & skf18("3","4","4","5","6","1","1") = "5"
    & skf18("3","4","4","5","6","2","1") = "5"
    & skf18("3","4","4","5","6","3","1") = "5"
    & skf18("3","4","4","5","6","4","1") = "5"
    & skf18("3","4","4","5","6","5","1") = "5"
    & skf18("3","4","4","5","6","6","1") = "5"
    & skf18("3","4","4","5","6","7","1") = "6"
    & skf18("3","4","4","5","6","8","1") = "7"
    & skf18("3","4","4","5","6","9","1") = "8"
    & skf18("3","4","4","5","6","10","1") = "9"
    & skf18("3","4","4","5","7","1","1") = "6"
    & skf18("3","4","4","5","7","2","1") = "6"
    & skf18("3","4","4","5","7","3","1") = "6"
    & skf18("3","4","4","5","7","4","1") = "6"
    & skf18("3","4","4","5","7","5","1") = "6"
    & skf18("3","4","4","5","7","6","1") = "6"
    & skf18("3","4","4","5","7","7","1") = "6"
    & skf18("3","4","4","5","7","8","1") = "7"
    & skf18("3","4","4","5","7","9","1") = "8"
    & skf18("3","4","4","5","7","10","1") = "9"
    & skf18("3","4","4","5","8","1","1") = "7"
    & skf18("3","4","4","5","8","2","1") = "7"
    & skf18("3","4","4","5","8","3","1") = "7"
    & skf18("3","4","4","5","8","4","1") = "7"
    & skf18("3","4","4","5","8","5","1") = "7"
    & skf18("3","4","4","5","8","6","1") = "7"
    & skf18("3","4","4","5","8","7","1") = "7"
    & skf18("3","4","4","5","8","8","1") = "7"
    & skf18("3","4","4","5","8","9","1") = "8"
    & skf18("3","4","4","5","8","10","1") = "9"
    & skf18("3","4","4","5","9","1","1") = "8"
    & skf18("3","4","4","5","9","2","1") = "8"
    & skf18("3","4","4","5","9","3","1") = "8"
    & skf18("3","4","4","5","9","4","1") = "8"
    & skf18("3","4","4","5","9","5","1") = "8"
    & skf18("3","4","4","5","9","6","1") = "8"
    & skf18("3","4","4","5","9","7","1") = "8"
    & skf18("3","4","4","5","9","8","1") = "8"
    & skf18("3","4","4","5","9","9","1") = "8"
    & skf18("3","4","4","5","9","10","1") = "9"
    & skf18("3","4","4","5","10","1","1") = "9"
    & skf18("3","4","4","5","10","2","1") = "9"
    & skf18("3","4","4","5","10","3","1") = "9"
    & skf18("3","4","4","5","10","4","1") = "9"
    & skf18("3","4","4","5","10","5","1") = "9"
    & skf18("3","4","4","5","10","6","1") = "9"
    & skf18("3","4","4","5","10","7","1") = "9"
    & skf18("3","4","4","5","10","8","1") = "9"
    & skf18("3","4","4","5","10","9","1") = "9"
    & skf18("3","4","4","5","10","10","1") = "9"
    & skf18("3","4","4","6","1","1","1") = "5"
    & skf18("3","4","4","6","1","2","1") = "5"
    & skf18("3","4","4","6","1","3","1") = "5"
    & skf18("3","4","4","6","1","4","1") = "5"
    & skf18("3","4","4","6","1","5","1") = "5"
    & skf18("3","4","4","6","1","6","1") = "5"
    & skf18("3","4","4","6","1","7","1") = "6"
    & skf18("3","4","4","6","1","8","1") = "7"
    & skf18("3","4","4","6","1","9","1") = "8"
    & skf18("3","4","4","6","1","10","1") = "9"
    & skf18("3","4","4","6","2","1","1") = "5"
    & skf18("3","4","4","6","2","2","1") = "5"
    & skf18("3","4","4","6","2","3","1") = "5"
    & skf18("3","4","4","6","2","4","1") = "5"
    & skf18("3","4","4","6","2","5","1") = "5"
    & skf18("3","4","4","6","2","6","1") = "5"
    & skf18("3","4","4","6","2","7","1") = "6"
    & skf18("3","4","4","6","2","8","1") = "7"
    & skf18("3","4","4","6","2","9","1") = "8"
    & skf18("3","4","4","6","2","10","1") = "9"
    & skf18("3","4","4","6","3","1","1") = "5"
    & skf18("3","4","4","6","3","2","1") = "5"
    & skf18("3","4","4","6","3","3","1") = "5"
    & skf18("3","4","4","6","3","4","1") = "5"
    & skf18("3","4","4","6","3","5","1") = "5"
    & skf18("3","4","4","6","3","6","1") = "5"
    & skf18("3","4","4","6","3","7","1") = "6"
    & skf18("3","4","4","6","3","8","1") = "7"
    & skf18("3","4","4","6","3","9","1") = "8"
    & skf18("3","4","4","6","3","10","1") = "9"
    & skf18("3","4","4","6","4","1","1") = "5"
    & skf18("3","4","4","6","4","2","1") = "5"
    & skf18("3","4","4","6","4","3","1") = "5"
    & skf18("3","4","4","6","4","4","1") = "5"
    & skf18("3","4","4","6","4","5","1") = "5"
    & skf18("3","4","4","6","4","6","1") = "5"
    & skf18("3","4","4","6","4","7","1") = "6"
    & skf18("3","4","4","6","4","8","1") = "7"
    & skf18("3","4","4","6","4","9","1") = "8"
    & skf18("3","4","4","6","4","10","1") = "9"
    & skf18("3","4","4","6","5","1","1") = "5"
    & skf18("3","4","4","6","5","2","1") = "5"
    & skf18("3","4","4","6","5","3","1") = "5"
    & skf18("3","4","4","6","5","4","1") = "5"
    & skf18("3","4","4","6","5","5","1") = "5"
    & skf18("3","4","4","6","5","6","1") = "5"
    & skf18("3","4","4","6","5","7","1") = "6"
    & skf18("3","4","4","6","5","8","1") = "7"
    & skf18("3","4","4","6","5","9","1") = "8"
    & skf18("3","4","4","6","5","10","1") = "9"
    & skf18("3","4","4","6","6","1","1") = "5"
    & skf18("3","4","4","6","6","2","1") = "5"
    & skf18("3","4","4","6","6","3","1") = "5"
    & skf18("3","4","4","6","6","4","1") = "5"
    & skf18("3","4","4","6","6","5","1") = "5"
    & skf18("3","4","4","6","6","6","1") = "5"
    & skf18("3","4","4","6","6","7","1") = "6"
    & skf18("3","4","4","6","6","8","1") = "7"
    & skf18("3","4","4","6","6","9","1") = "8"
    & skf18("3","4","4","6","6","10","1") = "9"
    & skf18("3","4","4","6","7","1","1") = "6"
    & skf18("3","4","4","6","7","2","1") = "6"
    & skf18("3","4","4","6","7","3","1") = "6"
    & skf18("3","4","4","6","7","4","1") = "6"
    & skf18("3","4","4","6","7","5","1") = "6"
    & skf18("3","4","4","6","7","6","1") = "6"
    & skf18("3","4","4","6","7","7","1") = "6"
    & skf18("3","4","4","6","7","8","1") = "7"
    & skf18("3","4","4","6","7","9","1") = "8"
    & skf18("3","4","4","6","7","10","1") = "9"
    & skf18("3","4","4","6","8","1","1") = "7"
    & skf18("3","4","4","6","8","2","1") = "7"
    & skf18("3","4","4","6","8","3","1") = "7"
    & skf18("3","4","4","6","8","4","1") = "7"
    & skf18("3","4","4","6","8","5","1") = "7"
    & skf18("3","4","4","6","8","6","1") = "7"
    & skf18("3","4","4","6","8","7","1") = "7"
    & skf18("3","4","4","6","8","8","1") = "7"
    & skf18("3","4","4","6","8","9","1") = "8"
    & skf18("3","4","4","6","8","10","1") = "9"
    & skf18("3","4","4","6","9","1","1") = "8"
    & skf18("3","4","4","6","9","2","1") = "8"
    & skf18("3","4","4","6","9","3","1") = "8"
    & skf18("3","4","4","6","9","4","1") = "8"
    & skf18("3","4","4","6","9","5","1") = "8"
    & skf18("3","4","4","6","9","6","1") = "8"
    & skf18("3","4","4","6","9","7","1") = "8"
    & skf18("3","4","4","6","9","8","1") = "8"
    & skf18("3","4","4","6","9","9","1") = "8"
    & skf18("3","4","4","6","9","10","1") = "9"
    & skf18("3","4","4","6","10","1","1") = "9"
    & skf18("3","4","4","6","10","2","1") = "9"
    & skf18("3","4","4","6","10","3","1") = "9"
    & skf18("3","4","4","6","10","4","1") = "9"
    & skf18("3","4","4","6","10","5","1") = "9"
    & skf18("3","4","4","6","10","6","1") = "9"
    & skf18("3","4","4","6","10","7","1") = "9"
    & skf18("3","4","4","6","10","8","1") = "9"
    & skf18("3","4","4","6","10","9","1") = "9"
    & skf18("3","4","4","6","10","10","1") = "9"
    & skf18("3","4","4","7","1","1","1") = "6"
    & skf18("3","4","4","7","1","2","1") = "6"
    & skf18("3","4","4","7","1","3","1") = "6"
    & skf18("3","4","4","7","1","4","1") = "6"
    & skf18("3","4","4","7","1","5","1") = "6"
    & skf18("3","4","4","7","1","6","1") = "6"
    & skf18("3","4","4","7","1","7","1") = "6"
    & skf18("3","4","4","7","1","8","1") = "7"
    & skf18("3","4","4","7","1","9","1") = "8"
    & skf18("3","4","4","7","1","10","1") = "9"
    & skf18("3","4","4","7","2","1","1") = "6"
    & skf18("3","4","4","7","2","2","1") = "6"
    & skf18("3","4","4","7","2","3","1") = "6"
    & skf18("3","4","4","7","2","4","1") = "6"
    & skf18("3","4","4","7","2","5","1") = "6"
    & skf18("3","4","4","7","2","6","1") = "6"
    & skf18("3","4","4","7","2","7","1") = "6"
    & skf18("3","4","4","7","2","8","1") = "7"
    & skf18("3","4","4","7","2","9","1") = "8"
    & skf18("3","4","4","7","2","10","1") = "9"
    & skf18("3","4","4","7","3","1","1") = "6"
    & skf18("3","4","4","7","3","2","1") = "6"
    & skf18("3","4","4","7","3","3","1") = "6"
    & skf18("3","4","4","7","3","4","1") = "6"
    & skf18("3","4","4","7","3","5","1") = "6"
    & skf18("3","4","4","7","3","6","1") = "6"
    & skf18("3","4","4","7","3","7","1") = "6"
    & skf18("3","4","4","7","3","8","1") = "7"
    & skf18("3","4","4","7","3","9","1") = "8"
    & skf18("3","4","4","7","3","10","1") = "9"
    & skf18("3","4","4","7","4","1","1") = "6"
    & skf18("3","4","4","7","4","2","1") = "6"
    & skf18("3","4","4","7","4","3","1") = "6"
    & skf18("3","4","4","7","4","4","1") = "6"
    & skf18("3","4","4","7","4","5","1") = "6"
    & skf18("3","4","4","7","4","6","1") = "6"
    & skf18("3","4","4","7","4","7","1") = "6"
    & skf18("3","4","4","7","4","8","1") = "7"
    & skf18("3","4","4","7","4","9","1") = "8"
    & skf18("3","4","4","7","4","10","1") = "9"
    & skf18("3","4","4","7","5","1","1") = "6"
    & skf18("3","4","4","7","5","2","1") = "6"
    & skf18("3","4","4","7","5","3","1") = "6"
    & skf18("3","4","4","7","5","4","1") = "6"
    & skf18("3","4","4","7","5","5","1") = "6"
    & skf18("3","4","4","7","5","6","1") = "6"
    & skf18("3","4","4","7","5","7","1") = "6"
    & skf18("3","4","4","7","5","8","1") = "7"
    & skf18("3","4","4","7","5","9","1") = "8"
    & skf18("3","4","4","7","5","10","1") = "9"
    & skf18("3","4","4","7","6","1","1") = "6"
    & skf18("3","4","4","7","6","2","1") = "6"
    & skf18("3","4","4","7","6","3","1") = "6"
    & skf18("3","4","4","7","6","4","1") = "6"
    & skf18("3","4","4","7","6","5","1") = "6"
    & skf18("3","4","4","7","6","6","1") = "6"
    & skf18("3","4","4","7","6","7","1") = "6"
    & skf18("3","4","4","7","6","8","1") = "7"
    & skf18("3","4","4","7","6","9","1") = "8"
    & skf18("3","4","4","7","6","10","1") = "9"
    & skf18("3","4","4","7","7","1","1") = "6"
    & skf18("3","4","4","7","7","2","1") = "6"
    & skf18("3","4","4","7","7","3","1") = "6"
    & skf18("3","4","4","7","7","4","1") = "6"
    & skf18("3","4","4","7","7","5","1") = "6"
    & skf18("3","4","4","7","7","6","1") = "6"
    & skf18("3","4","4","7","7","7","1") = "6"
    & skf18("3","4","4","7","7","8","1") = "7"
    & skf18("3","4","4","7","7","9","1") = "8"
    & skf18("3","4","4","7","7","10","1") = "9"
    & skf18("3","4","4","7","8","1","1") = "7"
    & skf18("3","4","4","7","8","2","1") = "7"
    & skf18("3","4","4","7","8","3","1") = "7"
    & skf18("3","4","4","7","8","4","1") = "7"
    & skf18("3","4","4","7","8","5","1") = "7"
    & skf18("3","4","4","7","8","6","1") = "7"
    & skf18("3","4","4","7","8","7","1") = "7"
    & skf18("3","4","4","7","8","8","1") = "7"
    & skf18("3","4","4","7","8","9","1") = "8"
    & skf18("3","4","4","7","8","10","1") = "9"
    & skf18("3","4","4","7","9","1","1") = "8"
    & skf18("3","4","4","7","9","2","1") = "8"
    & skf18("3","4","4","7","9","3","1") = "8"
    & skf18("3","4","4","7","9","4","1") = "8"
    & skf18("3","4","4","7","9","5","1") = "8"
    & skf18("3","4","4","7","9","6","1") = "8"
    & skf18("3","4","4","7","9","7","1") = "8"
    & skf18("3","4","4","7","9","8","1") = "8"
    & skf18("3","4","4","7","9","9","1") = "8"
    & skf18("3","4","4","7","9","10","1") = "9"
    & skf18("3","4","4","7","10","1","1") = "9"
    & skf18("3","4","4","7","10","2","1") = "9"
    & skf18("3","4","4","7","10","3","1") = "9"
    & skf18("3","4","4","7","10","4","1") = "9"
    & skf18("3","4","4","7","10","5","1") = "9"
    & skf18("3","4","4","7","10","6","1") = "9"
    & skf18("3","4","4","7","10","7","1") = "9"
    & skf18("3","4","4","7","10","8","1") = "9"
    & skf18("3","4","4","7","10","9","1") = "9"
    & skf18("3","4","4","7","10","10","1") = "9"
    & skf18("3","4","4","8","1","1","1") = "7"
    & skf18("3","4","4","8","1","2","1") = "7"
    & skf18("3","4","4","8","1","3","1") = "7"
    & skf18("3","4","4","8","1","4","1") = "7"
    & skf18("3","4","4","8","1","5","1") = "7"
    & skf18("3","4","4","8","1","6","1") = "7"
    & skf18("3","4","4","8","1","7","1") = "7"
    & skf18("3","4","4","8","1","8","1") = "7"
    & skf18("3","4","4","8","1","9","1") = "8"
    & skf18("3","4","4","8","1","10","1") = "9"
    & skf18("3","4","4","8","2","1","1") = "7"
    & skf18("3","4","4","8","2","2","1") = "7"
    & skf18("3","4","4","8","2","3","1") = "7"
    & skf18("3","4","4","8","2","4","1") = "7"
    & skf18("3","4","4","8","2","5","1") = "7"
    & skf18("3","4","4","8","2","6","1") = "7"
    & skf18("3","4","4","8","2","7","1") = "7"
    & skf18("3","4","4","8","2","8","1") = "7"
    & skf18("3","4","4","8","2","9","1") = "8"
    & skf18("3","4","4","8","2","10","1") = "9"
    & skf18("3","4","4","8","3","1","1") = "7"
    & skf18("3","4","4","8","3","2","1") = "7"
    & skf18("3","4","4","8","3","3","1") = "7"
    & skf18("3","4","4","8","3","4","1") = "7"
    & skf18("3","4","4","8","3","5","1") = "7"
    & skf18("3","4","4","8","3","6","1") = "7"
    & skf18("3","4","4","8","3","7","1") = "7"
    & skf18("3","4","4","8","3","8","1") = "7"
    & skf18("3","4","4","8","3","9","1") = "8"
    & skf18("3","4","4","8","3","10","1") = "9"
    & skf18("3","4","4","8","4","1","1") = "7"
    & skf18("3","4","4","8","4","2","1") = "7"
    & skf18("3","4","4","8","4","3","1") = "7"
    & skf18("3","4","4","8","4","4","1") = "7"
    & skf18("3","4","4","8","4","5","1") = "7"
    & skf18("3","4","4","8","4","6","1") = "7"
    & skf18("3","4","4","8","4","7","1") = "7"
    & skf18("3","4","4","8","4","8","1") = "7"
    & skf18("3","4","4","8","4","9","1") = "8"
    & skf18("3","4","4","8","4","10","1") = "9"
    & skf18("3","4","4","8","5","1","1") = "7"
    & skf18("3","4","4","8","5","2","1") = "7"
    & skf18("3","4","4","8","5","3","1") = "7"
    & skf18("3","4","4","8","5","4","1") = "7"
    & skf18("3","4","4","8","5","5","1") = "7"
    & skf18("3","4","4","8","5","6","1") = "7"
    & skf18("3","4","4","8","5","7","1") = "7"
    & skf18("3","4","4","8","5","8","1") = "7"
    & skf18("3","4","4","8","5","9","1") = "8"
    & skf18("3","4","4","8","5","10","1") = "9"
    & skf18("3","4","4","8","6","1","1") = "7"
    & skf18("3","4","4","8","6","2","1") = "7"
    & skf18("3","4","4","8","6","3","1") = "7"
    & skf18("3","4","4","8","6","4","1") = "7"
    & skf18("3","4","4","8","6","5","1") = "7"
    & skf18("3","4","4","8","6","6","1") = "7"
    & skf18("3","4","4","8","6","7","1") = "7"
    & skf18("3","4","4","8","6","8","1") = "7"
    & skf18("3","4","4","8","6","9","1") = "8"
    & skf18("3","4","4","8","6","10","1") = "9"
    & skf18("3","4","4","8","7","1","1") = "7"
    & skf18("3","4","4","8","7","2","1") = "7"
    & skf18("3","4","4","8","7","3","1") = "7"
    & skf18("3","4","4","8","7","4","1") = "7"
    & skf18("3","4","4","8","7","5","1") = "7"
    & skf18("3","4","4","8","7","6","1") = "7"
    & skf18("3","4","4","8","7","7","1") = "7"
    & skf18("3","4","4","8","7","8","1") = "7"
    & skf18("3","4","4","8","7","9","1") = "8"
    & skf18("3","4","4","8","7","10","1") = "9"
    & skf18("3","4","4","8","8","1","1") = "7"
    & skf18("3","4","4","8","8","2","1") = "7"
    & skf18("3","4","4","8","8","3","1") = "7"
    & skf18("3","4","4","8","8","4","1") = "7"
    & skf18("3","4","4","8","8","5","1") = "7"
    & skf18("3","4","4","8","8","6","1") = "7"
    & skf18("3","4","4","8","8","7","1") = "7"
    & skf18("3","4","4","8","8","8","1") = "7"
    & skf18("3","4","4","8","8","9","1") = "8"
    & skf18("3","4","4","8","8","10","1") = "9"
    & skf18("3","4","4","8","9","1","1") = "8"
    & skf18("3","4","4","8","9","2","1") = "8"
    & skf18("3","4","4","8","9","3","1") = "8"
    & skf18("3","4","4","8","9","4","1") = "8"
    & skf18("3","4","4","8","9","5","1") = "8"
    & skf18("3","4","4","8","9","6","1") = "8"
    & skf18("3","4","4","8","9","7","1") = "8"
    & skf18("3","4","4","8","9","8","1") = "8"
    & skf18("3","4","4","8","9","9","1") = "8"
    & skf18("3","4","4","8","9","10","1") = "9"
    & skf18("3","4","4","8","10","1","1") = "9"
    & skf18("3","4","4","8","10","2","1") = "9"
    & skf18("3","4","4","8","10","3","1") = "9"
    & skf18("3","4","4","8","10","4","1") = "9"
    & skf18("3","4","4","8","10","5","1") = "9"
    & skf18("3","4","4","8","10","6","1") = "9"
    & skf18("3","4","4","8","10","7","1") = "9"
    & skf18("3","4","4","8","10","8","1") = "9"
    & skf18("3","4","4","8","10","9","1") = "9"
    & skf18("3","4","4","8","10","10","1") = "9"
    & skf18("3","4","4","9","1","1","1") = "8"
    & skf18("3","4","4","9","1","2","1") = "8"
    & skf18("3","4","4","9","1","3","1") = "8"
    & skf18("3","4","4","9","1","4","1") = "8"
    & skf18("3","4","4","9","1","5","1") = "8"
    & skf18("3","4","4","9","1","6","1") = "8"
    & skf18("3","4","4","9","1","7","1") = "8"
    & skf18("3","4","4","9","1","8","1") = "8"
    & skf18("3","4","4","9","1","9","1") = "8"
    & skf18("3","4","4","9","1","10","1") = "9"
    & skf18("3","4","4","9","2","1","1") = "8"
    & skf18("3","4","4","9","2","2","1") = "8"
    & skf18("3","4","4","9","2","3","1") = "8"
    & skf18("3","4","4","9","2","4","1") = "8"
    & skf18("3","4","4","9","2","5","1") = "8"
    & skf18("3","4","4","9","2","6","1") = "8"
    & skf18("3","4","4","9","2","7","1") = "8"
    & skf18("3","4","4","9","2","8","1") = "8"
    & skf18("3","4","4","9","2","9","1") = "8"
    & skf18("3","4","4","9","2","10","1") = "9"
    & skf18("3","4","4","9","3","1","1") = "8"
    & skf18("3","4","4","9","3","2","1") = "8"
    & skf18("3","4","4","9","3","3","1") = "8"
    & skf18("3","4","4","9","3","4","1") = "8"
    & skf18("3","4","4","9","3","5","1") = "8"
    & skf18("3","4","4","9","3","6","1") = "8"
    & skf18("3","4","4","9","3","7","1") = "8"
    & skf18("3","4","4","9","3","8","1") = "8"
    & skf18("3","4","4","9","3","9","1") = "8"
    & skf18("3","4","4","9","3","10","1") = "9"
    & skf18("3","4","4","9","4","1","1") = "8"
    & skf18("3","4","4","9","4","2","1") = "8"
    & skf18("3","4","4","9","4","3","1") = "8"
    & skf18("3","4","4","9","4","4","1") = "8"
    & skf18("3","4","4","9","4","5","1") = "8"
    & skf18("3","4","4","9","4","6","1") = "8"
    & skf18("3","4","4","9","4","7","1") = "8"
    & skf18("3","4","4","9","4","8","1") = "8"
    & skf18("3","4","4","9","4","9","1") = "8"
    & skf18("3","4","4","9","4","10","1") = "9"
    & skf18("3","4","4","9","5","1","1") = "8"
    & skf18("3","4","4","9","5","2","1") = "8"
    & skf18("3","4","4","9","5","3","1") = "8"
    & skf18("3","4","4","9","5","4","1") = "8"
    & skf18("3","4","4","9","5","5","1") = "8"
    & skf18("3","4","4","9","5","6","1") = "8"
    & skf18("3","4","4","9","5","7","1") = "8"
    & skf18("3","4","4","9","5","8","1") = "8"
    & skf18("3","4","4","9","5","9","1") = "8"
    & skf18("3","4","4","9","5","10","1") = "9"
    & skf18("3","4","4","9","6","1","1") = "8"
    & skf18("3","4","4","9","6","2","1") = "8"
    & skf18("3","4","4","9","6","3","1") = "8"
    & skf18("3","4","4","9","6","4","1") = "8"
    & skf18("3","4","4","9","6","5","1") = "8"
    & skf18("3","4","4","9","6","6","1") = "8"
    & skf18("3","4","4","9","6","7","1") = "8"
    & skf18("3","4","4","9","6","8","1") = "8"
    & skf18("3","4","4","9","6","9","1") = "8"
    & skf18("3","4","4","9","6","10","1") = "9"
    & skf18("3","4","4","9","7","1","1") = "8"
    & skf18("3","4","4","9","7","2","1") = "8"
    & skf18("3","4","4","9","7","3","1") = "8"
    & skf18("3","4","4","9","7","4","1") = "8"
    & skf18("3","4","4","9","7","5","1") = "8"
    & skf18("3","4","4","9","7","6","1") = "8"
    & skf18("3","4","4","9","7","7","1") = "8"
    & skf18("3","4","4","9","7","8","1") = "8"
    & skf18("3","4","4","9","7","9","1") = "8"
    & skf18("3","4","4","9","7","10","1") = "9"
    & skf18("3","4","4","9","8","1","1") = "8"
    & skf18("3","4","4","9","8","2","1") = "8"
    & skf18("3","4","4","9","8","3","1") = "8"
    & skf18("3","4","4","9","8","4","1") = "8"
    & skf18("3","4","4","9","8","5","1") = "8"
    & skf18("3","4","4","9","8","6","1") = "8"
    & skf18("3","4","4","9","8","7","1") = "8"
    & skf18("3","4","4","9","8","8","1") = "8"
    & skf18("3","4","4","9","8","9","1") = "8"
    & skf18("3","4","4","9","8","10","1") = "9"
    & skf18("3","4","4","9","9","1","1") = "8"
    & skf18("3","4","4","9","9","2","1") = "8"
    & skf18("3","4","4","9","9","3","1") = "8"
    & skf18("3","4","4","9","9","4","1") = "8"
    & skf18("3","4","4","9","9","5","1") = "8"
    & skf18("3","4","4","9","9","6","1") = "8"
    & skf18("3","4","4","9","9","7","1") = "8"
    & skf18("3","4","4","9","9","8","1") = "8"
    & skf18("3","4","4","9","9","9","1") = "8"
    & skf18("3","4","4","9","9","10","1") = "9"
    & skf18("3","4","4","9","10","1","1") = "9"
    & skf18("3","4","4","9","10","2","1") = "9"
    & skf18("3","4","4","9","10","3","1") = "9"
    & skf18("3","4","4","9","10","4","1") = "9"
    & skf18("3","4","4","9","10","5","1") = "9"
    & skf18("3","4","4","9","10","6","1") = "9"
    & skf18("3","4","4","9","10","7","1") = "9"
    & skf18("3","4","4","9","10","8","1") = "9"
    & skf18("3","4","4","9","10","9","1") = "9"
    & skf18("3","4","4","9","10","10","1") = "9"
    & skf18("3","4","4","10","1","1","1") = "9"
    & skf18("3","4","4","10","1","2","1") = "9"
    & skf18("3","4","4","10","1","3","1") = "9"
    & skf18("3","4","4","10","1","4","1") = "9"
    & skf18("3","4","4","10","1","5","1") = "9"
    & skf18("3","4","4","10","1","6","1") = "9"
    & skf18("3","4","4","10","1","7","1") = "9"
    & skf18("3","4","4","10","1","8","1") = "9"
    & skf18("3","4","4","10","1","9","1") = "9"
    & skf18("3","4","4","10","1","10","1") = "9"
    & skf18("3","4","4","10","2","1","1") = "9"
    & skf18("3","4","4","10","2","2","1") = "9"
    & skf18("3","4","4","10","2","3","1") = "9"
    & skf18("3","4","4","10","2","4","1") = "9"
    & skf18("3","4","4","10","2","5","1") = "9"
    & skf18("3","4","4","10","2","6","1") = "9"
    & skf18("3","4","4","10","2","7","1") = "9"
    & skf18("3","4","4","10","2","8","1") = "9"
    & skf18("3","4","4","10","2","9","1") = "9"
    & skf18("3","4","4","10","2","10","1") = "9"
    & skf18("3","4","4","10","3","1","1") = "9"
    & skf18("3","4","4","10","3","2","1") = "9"
    & skf18("3","4","4","10","3","3","1") = "9"
    & skf18("3","4","4","10","3","4","1") = "9"
    & skf18("3","4","4","10","3","5","1") = "9"
    & skf18("3","4","4","10","3","6","1") = "9"
    & skf18("3","4","4","10","3","7","1") = "9"
    & skf18("3","4","4","10","3","8","1") = "9"
    & skf18("3","4","4","10","3","9","1") = "9"
    & skf18("3","4","4","10","3","10","1") = "9"
    & skf18("3","4","4","10","4","1","1") = "9"
    & skf18("3","4","4","10","4","2","1") = "9"
    & skf18("3","4","4","10","4","3","1") = "9"
    & skf18("3","4","4","10","4","4","1") = "9"
    & skf18("3","4","4","10","4","5","1") = "9"
    & skf18("3","4","4","10","4","6","1") = "9"
    & skf18("3","4","4","10","4","7","1") = "9"
    & skf18("3","4","4","10","4","8","1") = "9"
    & skf18("3","4","4","10","4","9","1") = "9"
    & skf18("3","4","4","10","4","10","1") = "9"
    & skf18("3","4","4","10","5","1","1") = "9"
    & skf18("3","4","4","10","5","2","1") = "9"
    & skf18("3","4","4","10","5","3","1") = "9"
    & skf18("3","4","4","10","5","4","1") = "9"
    & skf18("3","4","4","10","5","5","1") = "9"
    & skf18("3","4","4","10","5","6","1") = "9"
    & skf18("3","4","4","10","5","7","1") = "9"
    & skf18("3","4","4","10","5","8","1") = "9"
    & skf18("3","4","4","10","5","9","1") = "9"
    & skf18("3","4","4","10","5","10","1") = "9"
    & skf18("3","4","4","10","6","1","1") = "9"
    & skf18("3","4","4","10","6","2","1") = "9"
    & skf18("3","4","4","10","6","3","1") = "9"
    & skf18("3","4","4","10","6","4","1") = "9"
    & skf18("3","4","4","10","6","5","1") = "9"
    & skf18("3","4","4","10","6","6","1") = "9"
    & skf18("3","4","4","10","6","7","1") = "9"
    & skf18("3","4","4","10","6","8","1") = "9"
    & skf18("3","4","4","10","6","9","1") = "9"
    & skf18("3","4","4","10","6","10","1") = "9"
    & skf18("3","4","4","10","7","1","1") = "9"
    & skf18("3","4","4","10","7","2","1") = "9"
    & skf18("3","4","4","10","7","3","1") = "9"
    & skf18("3","4","4","10","7","4","1") = "9"
    & skf18("3","4","4","10","7","5","1") = "9"
    & skf18("3","4","4","10","7","6","1") = "9"
    & skf18("3","4","4","10","7","7","1") = "9"
    & skf18("3","4","4","10","7","8","1") = "9"
    & skf18("3","4","4","10","7","9","1") = "9"
    & skf18("3","4","4","10","7","10","1") = "9"
    & skf18("3","4","4","10","8","1","1") = "9"
    & skf18("3","4","4","10","8","2","1") = "9"
    & skf18("3","4","4","10","8","3","1") = "9"
    & skf18("3","4","4","10","8","4","1") = "9"
    & skf18("3","4","4","10","8","5","1") = "9"
    & skf18("3","4","4","10","8","6","1") = "9"
    & skf18("3","4","4","10","8","7","1") = "9"
    & skf18("3","4","4","10","8","8","1") = "9"
    & skf18("3","4","4","10","8","9","1") = "9"
    & skf18("3","4","4","10","8","10","1") = "9"
    & skf18("3","4","4","10","9","1","1") = "9"
    & skf18("3","4","4","10","9","2","1") = "9"
    & skf18("3","4","4","10","9","3","1") = "9"
    & skf18("3","4","4","10","9","4","1") = "9"
    & skf18("3","4","4","10","9","5","1") = "9"
    & skf18("3","4","4","10","9","6","1") = "9"
    & skf18("3","4","4","10","9","7","1") = "9"
    & skf18("3","4","4","10","9","8","1") = "9"
    & skf18("3","4","4","10","9","9","1") = "9"
    & skf18("3","4","4","10","9","10","1") = "9"
    & skf18("3","4","4","10","10","1","1") = "9"
    & skf18("3","4","4","10","10","2","1") = "9"
    & skf18("3","4","4","10","10","3","1") = "9"
    & skf18("3","4","4","10","10","4","1") = "9"
    & skf18("3","4","4","10","10","5","1") = "9"
    & skf18("3","4","4","10","10","6","1") = "9"
    & skf18("3","4","4","10","10","7","1") = "9"
    & skf18("3","4","4","10","10","8","1") = "9"
    & skf18("3","4","4","10","10","9","1") = "9"
    & skf18("3","4","4","10","10","10","1") = "9"
    & skf18("3","4","5","1","1","1","1") = "4"
    & skf18("3","4","5","1","1","2","1") = "4"
    & skf18("3","4","5","1","1","3","1") = "4"
    & skf18("3","4","5","1","1","4","1") = "4"
    & skf18("3","4","5","1","1","5","1") = "4"
    & skf18("3","4","5","1","1","6","1") = "5"
    & skf18("3","4","5","1","1","7","1") = "6"
    & skf18("3","4","5","1","1","8","1") = "7"
    & skf18("3","4","5","1","1","9","1") = "8"
    & skf18("3","4","5","1","1","10","1") = "9"
    & skf18("3","4","5","1","2","1","1") = "4"
    & skf18("3","4","5","1","2","2","1") = "4"
    & skf18("3","4","5","1","2","3","1") = "4"
    & skf18("3","4","5","1","2","4","1") = "4"
    & skf18("3","4","5","1","2","5","1") = "4"
    & skf18("3","4","5","1","2","6","1") = "5"
    & skf18("3","4","5","1","2","7","1") = "6"
    & skf18("3","4","5","1","2","8","1") = "7"
    & skf18("3","4","5","1","2","9","1") = "8"
    & skf18("3","4","5","1","2","10","1") = "9"
    & skf18("3","4","5","1","3","1","1") = "4"
    & skf18("3","4","5","1","3","2","1") = "4"
    & skf18("3","4","5","1","3","3","1") = "4"
    & skf18("3","4","5","1","3","4","1") = "4"
    & skf18("3","4","5","1","3","5","1") = "4"
    & skf18("3","4","5","1","3","6","1") = "5"
    & skf18("3","4","5","1","3","7","1") = "6"
    & skf18("3","4","5","1","3","8","1") = "7"
    & skf18("3","4","5","1","3","9","1") = "8"
    & skf18("3","4","5","1","3","10","1") = "9"
    & skf18("3","4","5","1","4","1","1") = "4"
    & skf18("3","4","5","1","4","2","1") = "4"
    & skf18("3","4","5","1","4","3","1") = "4"
    & skf18("3","4","5","1","4","4","1") = "4"
    & skf18("3","4","5","1","4","5","1") = "4"
    & skf18("3","4","5","1","4","6","1") = "5"
    & skf18("3","4","5","1","4","7","1") = "6"
    & skf18("3","4","5","1","4","8","1") = "7"
    & skf18("3","4","5","1","4","9","1") = "8"
    & skf18("3","4","5","1","4","10","1") = "9"
    & skf18("3","4","5","1","5","1","1") = "4"
    & skf18("3","4","5","1","5","2","1") = "4"
    & skf18("3","4","5","1","5","3","1") = "4"
    & skf18("3","4","5","1","5","4","1") = "4"
    & skf18("3","4","5","1","5","5","1") = "4"
    & skf18("3","4","5","1","5","6","1") = "5"
    & skf18("3","4","5","1","5","7","1") = "6"
    & skf18("3","4","5","1","5","8","1") = "7"
    & skf18("3","4","5","1","5","9","1") = "8"
    & skf18("3","4","5","1","5","10","1") = "9"
    & skf18("3","4","5","1","6","1","1") = "5"
    & skf18("3","4","5","1","6","2","1") = "5"
    & skf18("3","4","5","1","6","3","1") = "5"
    & skf18("3","4","5","1","6","4","1") = "5"
    & skf18("3","4","5","1","6","5","1") = "5"
    & skf18("3","4","5","1","6","6","1") = "5"
    & skf18("3","4","5","1","6","7","1") = "6"
    & skf18("3","4","5","1","6","8","1") = "7"
    & skf18("3","4","5","1","6","9","1") = "8"
    & skf18("3","4","5","1","6","10","1") = "9"
    & skf18("3","4","5","1","7","1","1") = "6"
    & skf18("3","4","5","1","7","2","1") = "6"
    & skf18("3","4","5","1","7","3","1") = "6"
    & skf18("3","4","5","1","7","4","1") = "6"
    & skf18("3","4","5","1","7","5","1") = "6"
    & skf18("3","4","5","1","7","6","1") = "6"
    & skf18("3","4","5","1","7","7","1") = "6"
    & skf18("3","4","5","1","7","8","1") = "7"
    & skf18("3","4","5","1","7","9","1") = "8"
    & skf18("3","4","5","1","7","10","1") = "9"
    & skf18("3","4","5","1","8","1","1") = "7"
    & skf18("3","4","5","1","8","2","1") = "7"
    & skf18("3","4","5","1","8","3","1") = "7"
    & skf18("3","4","5","1","8","4","1") = "7"
    & skf18("3","4","5","1","8","5","1") = "7"
    & skf18("3","4","5","1","8","6","1") = "7"
    & skf18("3","4","5","1","8","7","1") = "7"
    & skf18("3","4","5","1","8","8","1") = "7"
    & skf18("3","4","5","1","8","9","1") = "8"
    & skf18("3","4","5","1","8","10","1") = "9"
    & skf18("3","4","5","1","9","1","1") = "8"
    & skf18("3","4","5","1","9","2","1") = "8"
    & skf18("3","4","5","1","9","3","1") = "8"
    & skf18("3","4","5","1","9","4","1") = "8"
    & skf18("3","4","5","1","9","5","1") = "8"
    & skf18("3","4","5","1","9","6","1") = "8"
    & skf18("3","4","5","1","9","7","1") = "8"
    & skf18("3","4","5","1","9","8","1") = "8"
    & skf18("3","4","5","1","9","9","1") = "8"
    & skf18("3","4","5","1","9","10","1") = "9"
    & skf18("3","4","5","1","10","1","1") = "9"
    & skf18("3","4","5","1","10","2","1") = "9"
    & skf18("3","4","5","1","10","3","1") = "9"
    & skf18("3","4","5","1","10","4","1") = "9"
    & skf18("3","4","5","1","10","5","1") = "9"
    & skf18("3","4","5","1","10","6","1") = "9"
    & skf18("3","4","5","1","10","7","1") = "9"
    & skf18("3","4","5","1","10","8","1") = "9"
    & skf18("3","4","5","1","10","9","1") = "9"
    & skf18("3","4","5","1","10","10","1") = "9"
    & skf18("3","4","5","2","1","1","1") = "4"
    & skf18("3","4","5","2","1","2","1") = "4"
    & skf18("3","4","5","2","1","3","1") = "4"
    & skf18("3","4","5","2","1","4","1") = "4"
    & skf18("3","4","5","2","1","5","1") = "4"
    & skf18("3","4","5","2","1","6","1") = "5"
    & skf18("3","4","5","2","1","7","1") = "6"
    & skf18("3","4","5","2","1","8","1") = "7"
    & skf18("3","4","5","2","1","9","1") = "8"
    & skf18("3","4","5","2","1","10","1") = "9"
    & skf18("3","4","5","2","2","1","1") = "4"
    & skf18("3","4","5","2","2","2","1") = "4"
    & skf18("3","4","5","2","2","3","1") = "4"
    & skf18("3","4","5","2","2","4","1") = "4"
    & skf18("3","4","5","2","2","5","1") = "4"
    & skf18("3","4","5","2","2","6","1") = "5"
    & skf18("3","4","5","2","2","7","1") = "6"
    & skf18("3","4","5","2","2","8","1") = "7"
    & skf18("3","4","5","2","2","9","1") = "8"
    & skf18("3","4","5","2","2","10","1") = "9"
    & skf18("3","4","5","2","3","1","1") = "4"
    & skf18("3","4","5","2","3","2","1") = "4"
    & skf18("3","4","5","2","3","3","1") = "4"
    & skf18("3","4","5","2","3","4","1") = "4"
    & skf18("3","4","5","2","3","5","1") = "4"
    & skf18("3","4","5","2","3","6","1") = "5"
    & skf18("3","4","5","2","3","7","1") = "6"
    & skf18("3","4","5","2","3","8","1") = "7"
    & skf18("3","4","5","2","3","9","1") = "8"
    & skf18("3","4","5","2","3","10","1") = "9"
    & skf18("3","4","5","2","4","1","1") = "4"
    & skf18("3","4","5","2","4","2","1") = "4"
    & skf18("3","4","5","2","4","3","1") = "4"
    & skf18("3","4","5","2","4","4","1") = "4"
    & skf18("3","4","5","2","4","5","1") = "4"
    & skf18("3","4","5","2","4","6","1") = "5"
    & skf18("3","4","5","2","4","7","1") = "6"
    & skf18("3","4","5","2","4","8","1") = "7"
    & skf18("3","4","5","2","4","9","1") = "8"
    & skf18("3","4","5","2","4","10","1") = "9"
    & skf18("3","4","5","2","5","1","1") = "4"
    & skf18("3","4","5","2","5","2","1") = "4"
    & skf18("3","4","5","2","5","3","1") = "4"
    & skf18("3","4","5","2","5","4","1") = "4"
    & skf18("3","4","5","2","5","5","1") = "4"
    & skf18("3","4","5","2","5","6","1") = "5"
    & skf18("3","4","5","2","5","7","1") = "6"
    & skf18("3","4","5","2","5","8","1") = "7"
    & skf18("3","4","5","2","5","9","1") = "8"
    & skf18("3","4","5","2","5","10","1") = "9"
    & skf18("3","4","5","2","6","1","1") = "5"
    & skf18("3","4","5","2","6","2","1") = "5"
    & skf18("3","4","5","2","6","3","1") = "5"
    & skf18("3","4","5","2","6","4","1") = "5"
    & skf18("3","4","5","2","6","5","1") = "5"
    & skf18("3","4","5","2","6","6","1") = "5"
    & skf18("3","4","5","2","6","7","1") = "6"
    & skf18("3","4","5","2","6","8","1") = "7"
    & skf18("3","4","5","2","6","9","1") = "8"
    & skf18("3","4","5","2","6","10","1") = "9"
    & skf18("3","4","5","2","7","1","1") = "6"
    & skf18("3","4","5","2","7","2","1") = "6"
    & skf18("3","4","5","2","7","3","1") = "6"
    & skf18("3","4","5","2","7","4","1") = "6"
    & skf18("3","4","5","2","7","5","1") = "6"
    & skf18("3","4","5","2","7","6","1") = "6"
    & skf18("3","4","5","2","7","7","1") = "6"
    & skf18("3","4","5","2","7","8","1") = "7"
    & skf18("3","4","5","2","7","9","1") = "8"
    & skf18("3","4","5","2","7","10","1") = "9"
    & skf18("3","4","5","2","8","1","1") = "7"
    & skf18("3","4","5","2","8","2","1") = "7"
    & skf18("3","4","5","2","8","3","1") = "7"
    & skf18("3","4","5","2","8","4","1") = "7"
    & skf18("3","4","5","2","8","5","1") = "7"
    & skf18("3","4","5","2","8","6","1") = "7"
    & skf18("3","4","5","2","8","7","1") = "7"
    & skf18("3","4","5","2","8","8","1") = "7"
    & skf18("3","4","5","2","8","9","1") = "8"
    & skf18("3","4","5","2","8","10","1") = "9"
    & skf18("3","4","5","2","9","1","1") = "8"
    & skf18("3","4","5","2","9","2","1") = "8"
    & skf18("3","4","5","2","9","3","1") = "8"
    & skf18("3","4","5","2","9","4","1") = "8"
    & skf18("3","4","5","2","9","5","1") = "8"
    & skf18("3","4","5","2","9","6","1") = "8"
    & skf18("3","4","5","2","9","7","1") = "8"
    & skf18("3","4","5","2","9","8","1") = "8"
    & skf18("3","4","5","2","9","9","1") = "8"
    & skf18("3","4","5","2","9","10","1") = "9"
    & skf18("3","4","5","2","10","1","1") = "9"
    & skf18("3","4","5","2","10","2","1") = "9"
    & skf18("3","4","5","2","10","3","1") = "9"
    & skf18("3","4","5","2","10","4","1") = "9"
    & skf18("3","4","5","2","10","5","1") = "9"
    & skf18("3","4","5","2","10","6","1") = "9"
    & skf18("3","4","5","2","10","7","1") = "9"
    & skf18("3","4","5","2","10","8","1") = "9"
    & skf18("3","4","5","2","10","9","1") = "9"
    & skf18("3","4","5","2","10","10","1") = "9"
    & skf18("3","4","5","3","1","1","1") = "4"
    & skf18("3","4","5","3","1","2","1") = "4"
    & skf18("3","4","5","3","1","3","1") = "4"
    & skf18("3","4","5","3","1","4","1") = "4"
    & skf18("3","4","5","3","1","5","1") = "4"
    & skf18("3","4","5","3","1","6","1") = "5"
    & skf18("3","4","5","3","1","7","1") = "6"
    & skf18("3","4","5","3","1","8","1") = "7"
    & skf18("3","4","5","3","1","9","1") = "8"
    & skf18("3","4","5","3","1","10","1") = "9"
    & skf18("3","4","5","3","2","1","1") = "4"
    & skf18("3","4","5","3","2","2","1") = "4"
    & skf18("3","4","5","3","2","3","1") = "4"
    & skf18("3","4","5","3","2","4","1") = "4"
    & skf18("3","4","5","3","2","5","1") = "4"
    & skf18("3","4","5","3","2","6","1") = "5"
    & skf18("3","4","5","3","2","7","1") = "6"
    & skf18("3","4","5","3","2","8","1") = "7"
    & skf18("3","4","5","3","2","9","1") = "8"
    & skf18("3","4","5","3","2","10","1") = "9"
    & skf18("3","4","5","3","3","1","1") = "4"
    & skf18("3","4","5","3","3","2","1") = "4"
    & skf18("3","4","5","3","3","3","1") = "4"
    & skf18("3","4","5","3","3","4","1") = "4"
    & skf18("3","4","5","3","3","5","1") = "4"
    & skf18("3","4","5","3","3","6","1") = "5"
    & skf18("3","4","5","3","3","7","1") = "6"
    & skf18("3","4","5","3","3","8","1") = "7"
    & skf18("3","4","5","3","3","9","1") = "8"
    & skf18("3","4","5","3","3","10","1") = "9"
    & skf18("3","4","5","3","4","1","1") = "4"
    & skf18("3","4","5","3","4","2","1") = "4"
    & skf18("3","4","5","3","4","3","1") = "4"
    & skf18("3","4","5","3","4","4","1") = "4"
    & skf18("3","4","5","3","4","5","1") = "4"
    & skf18("3","4","5","3","4","6","1") = "5"
    & skf18("3","4","5","3","4","7","1") = "6"
    & skf18("3","4","5","3","4","8","1") = "7"
    & skf18("3","4","5","3","4","9","1") = "8"
    & skf18("3","4","5","3","4","10","1") = "9"
    & skf18("3","4","5","3","5","1","1") = "4"
    & skf18("3","4","5","3","5","2","1") = "4"
    & skf18("3","4","5","3","5","3","1") = "4"
    & skf18("3","4","5","3","5","4","1") = "4"
    & skf18("3","4","5","3","5","5","1") = "4"
    & skf18("3","4","5","3","5","6","1") = "5"
    & skf18("3","4","5","3","5","7","1") = "6"
    & skf18("3","4","5","3","5","8","1") = "7"
    & skf18("3","4","5","3","5","9","1") = "8"
    & skf18("3","4","5","3","5","10","1") = "9"
    & skf18("3","4","5","3","6","1","1") = "5"
    & skf18("3","4","5","3","6","2","1") = "5"
    & skf18("3","4","5","3","6","3","1") = "5"
    & skf18("3","4","5","3","6","4","1") = "5"
    & skf18("3","4","5","3","6","5","1") = "5"
    & skf18("3","4","5","3","6","6","1") = "5"
    & skf18("3","4","5","3","6","7","1") = "6"
    & skf18("3","4","5","3","6","8","1") = "7"
    & skf18("3","4","5","3","6","9","1") = "8"
    & skf18("3","4","5","3","6","10","1") = "9"
    & skf18("3","4","5","3","7","1","1") = "6"
    & skf18("3","4","5","3","7","2","1") = "6"
    & skf18("3","4","5","3","7","3","1") = "6"
    & skf18("3","4","5","3","7","4","1") = "6"
    & skf18("3","4","5","3","7","5","1") = "6"
    & skf18("3","4","5","3","7","6","1") = "6"
    & skf18("3","4","5","3","7","7","1") = "6"
    & skf18("3","4","5","3","7","8","1") = "7"
    & skf18("3","4","5","3","7","9","1") = "8"
    & skf18("3","4","5","3","7","10","1") = "9"
    & skf18("3","4","5","3","8","1","1") = "7"
    & skf18("3","4","5","3","8","2","1") = "7"
    & skf18("3","4","5","3","8","3","1") = "7"
    & skf18("3","4","5","3","8","4","1") = "7"
    & skf18("3","4","5","3","8","5","1") = "7"
    & skf18("3","4","5","3","8","6","1") = "7"
    & skf18("3","4","5","3","8","7","1") = "7"
    & skf18("3","4","5","3","8","8","1") = "7"
    & skf18("3","4","5","3","8","9","1") = "8"
    & skf18("3","4","5","3","8","10","1") = "9"
    & skf18("3","4","5","3","9","1","1") = "8"
    & skf18("3","4","5","3","9","2","1") = "8"
    & skf18("3","4","5","3","9","3","1") = "8"
    & skf18("3","4","5","3","9","4","1") = "8"
    & skf18("3","4","5","3","9","5","1") = "8"
    & skf18("3","4","5","3","9","6","1") = "8"
    & skf18("3","4","5","3","9","7","1") = "8"
    & skf18("3","4","5","3","9","8","1") = "8"
    & skf18("3","4","5","3","9","9","1") = "8"
    & skf18("3","4","5","3","9","10","1") = "9"
    & skf18("3","4","5","3","10","1","1") = "9"
    & skf18("3","4","5","3","10","2","1") = "9"
    & skf18("3","4","5","3","10","3","1") = "9"
    & skf18("3","4","5","3","10","4","1") = "9"
    & skf18("3","4","5","3","10","5","1") = "9"
    & skf18("3","4","5","3","10","6","1") = "9"
    & skf18("3","4","5","3","10","7","1") = "9"
    & skf18("3","4","5","3","10","8","1") = "9"
    & skf18("3","4","5","3","10","9","1") = "9"
    & skf18("3","4","5","3","10","10","1") = "9"
    & skf18("3","4","5","4","1","1","1") = "4"
    & skf18("3","4","5","4","1","2","1") = "4"
    & skf18("3","4","5","4","1","3","1") = "4"
    & skf18("3","4","5","4","1","4","1") = "4"
    & skf18("3","4","5","4","1","5","1") = "4"
    & skf18("3","4","5","4","1","6","1") = "5"
    & skf18("3","4","5","4","1","7","1") = "6"
    & skf18("3","4","5","4","1","8","1") = "7"
    & skf18("3","4","5","4","1","9","1") = "8"
    & skf18("3","4","5","4","1","10","1") = "9"
    & skf18("3","4","5","4","2","1","1") = "4"
    & skf18("3","4","5","4","2","2","1") = "4"
    & skf18("3","4","5","4","2","3","1") = "4"
    & skf18("3","4","5","4","2","4","1") = "4"
    & skf18("3","4","5","4","2","5","1") = "4"
    & skf18("3","4","5","4","2","6","1") = "5"
    & skf18("3","4","5","4","2","7","1") = "6"
    & skf18("3","4","5","4","2","8","1") = "7"
    & skf18("3","4","5","4","2","9","1") = "8"
    & skf18("3","4","5","4","2","10","1") = "9"
    & skf18("3","4","5","4","3","1","1") = "4"
    & skf18("3","4","5","4","3","2","1") = "4"
    & skf18("3","4","5","4","3","3","1") = "4"
    & skf18("3","4","5","4","3","4","1") = "4"
    & skf18("3","4","5","4","3","5","1") = "4"
    & skf18("3","4","5","4","3","6","1") = "5"
    & skf18("3","4","5","4","3","7","1") = "6"
    & skf18("3","4","5","4","3","8","1") = "7"
    & skf18("3","4","5","4","3","9","1") = "8"
    & skf18("3","4","5","4","3","10","1") = "9"
    & skf18("3","4","5","4","4","1","1") = "4"
    & skf18("3","4","5","4","4","2","1") = "4"
    & skf18("3","4","5","4","4","3","1") = "4"
    & skf18("3","4","5","4","4","4","1") = "4"
    & skf18("3","4","5","4","4","5","1") = "4"
    & skf18("3","4","5","4","4","6","1") = "5"
    & skf18("3","4","5","4","4","7","1") = "6"
    & skf18("3","4","5","4","4","8","1") = "7"
    & skf18("3","4","5","4","4","9","1") = "8"
    & skf18("3","4","5","4","4","10","1") = "9"
    & skf18("3","4","5","4","5","1","1") = "4"
    & skf18("3","4","5","4","5","2","1") = "4"
    & skf18("3","4","5","4","5","3","1") = "4"
    & skf18("3","4","5","4","5","4","1") = "4"
    & skf18("3","4","5","4","5","5","1") = "4"
    & skf18("3","4","5","4","5","6","1") = "5"
    & skf18("3","4","5","4","5","7","1") = "6"
    & skf18("3","4","5","4","5","8","1") = "7"
    & skf18("3","4","5","4","5","9","1") = "8"
    & skf18("3","4","5","4","5","10","1") = "9"
    & skf18("3","4","5","4","6","1","1") = "5"
    & skf18("3","4","5","4","6","2","1") = "5"
    & skf18("3","4","5","4","6","3","1") = "5"
    & skf18("3","4","5","4","6","4","1") = "5"
    & skf18("3","4","5","4","6","5","1") = "5"
    & skf18("3","4","5","4","6","6","1") = "5"
    & skf18("3","4","5","4","6","7","1") = "6"
    & skf18("3","4","5","4","6","8","1") = "7"
    & skf18("3","4","5","4","6","9","1") = "8"
    & skf18("3","4","5","4","6","10","1") = "9"
    & skf18("3","4","5","4","7","1","1") = "6"
    & skf18("3","4","5","4","7","2","1") = "6"
    & skf18("3","4","5","4","7","3","1") = "6"
    & skf18("3","4","5","4","7","4","1") = "6"
    & skf18("3","4","5","4","7","5","1") = "6"
    & skf18("3","4","5","4","7","6","1") = "6"
    & skf18("3","4","5","4","7","7","1") = "6"
    & skf18("3","4","5","4","7","8","1") = "7"
    & skf18("3","4","5","4","7","9","1") = "8"
    & skf18("3","4","5","4","7","10","1") = "9"
    & skf18("3","4","5","4","8","1","1") = "7"
    & skf18("3","4","5","4","8","2","1") = "7"
    & skf18("3","4","5","4","8","3","1") = "7"
    & skf18("3","4","5","4","8","4","1") = "7"
    & skf18("3","4","5","4","8","5","1") = "7"
    & skf18("3","4","5","4","8","6","1") = "7"
    & skf18("3","4","5","4","8","7","1") = "7"
    & skf18("3","4","5","4","8","8","1") = "7"
    & skf18("3","4","5","4","8","9","1") = "8"
    & skf18("3","4","5","4","8","10","1") = "9"
    & skf18("3","4","5","4","9","1","1") = "8"
    & skf18("3","4","5","4","9","2","1") = "8"
    & skf18("3","4","5","4","9","3","1") = "8"
    & skf18("3","4","5","4","9","4","1") = "8"
    & skf18("3","4","5","4","9","5","1") = "8"
    & skf18("3","4","5","4","9","6","1") = "8"
    & skf18("3","4","5","4","9","7","1") = "8"
    & skf18("3","4","5","4","9","8","1") = "8"
    & skf18("3","4","5","4","9","9","1") = "8"
    & skf18("3","4","5","4","9","10","1") = "9"
    & skf18("3","4","5","4","10","1","1") = "9"
    & skf18("3","4","5","4","10","2","1") = "9"
    & skf18("3","4","5","4","10","3","1") = "9"
    & skf18("3","4","5","4","10","4","1") = "9"
    & skf18("3","4","5","4","10","5","1") = "9"
    & skf18("3","4","5","4","10","6","1") = "9"
    & skf18("3","4","5","4","10","7","1") = "9"
    & skf18("3","4","5","4","10","8","1") = "9"
    & skf18("3","4","5","4","10","9","1") = "9"
    & skf18("3","4","5","4","10","10","1") = "9"
    & skf18("3","4","5","5","1","1","1") = "4"
    & skf18("3","4","5","5","1","2","1") = "4"
    & skf18("3","4","5","5","1","3","1") = "4"
    & skf18("3","4","5","5","1","4","1") = "4"
    & skf18("3","4","5","5","1","5","1") = "4"
    & skf18("3","4","5","5","1","6","1") = "5"
    & skf18("3","4","5","5","1","7","1") = "6"
    & skf18("3","4","5","5","1","8","1") = "7"
    & skf18("3","4","5","5","1","9","1") = "8"
    & skf18("3","4","5","5","1","10","1") = "9"
    & skf18("3","4","5","5","2","1","1") = "4"
    & skf18("3","4","5","5","2","2","1") = "4"
    & skf18("3","4","5","5","2","3","1") = "4"
    & skf18("3","4","5","5","2","4","1") = "4"
    & skf18("3","4","5","5","2","5","1") = "4"
    & skf18("3","4","5","5","2","6","1") = "5"
    & skf18("3","4","5","5","2","7","1") = "6"
    & skf18("3","4","5","5","2","8","1") = "7"
    & skf18("3","4","5","5","2","9","1") = "8"
    & skf18("3","4","5","5","2","10","1") = "9"
    & skf18("3","4","5","5","3","1","1") = "4"
    & skf18("3","4","5","5","3","2","1") = "4"
    & skf18("3","4","5","5","3","3","1") = "4"
    & skf18("3","4","5","5","3","4","1") = "4"
    & skf18("3","4","5","5","3","5","1") = "4"
    & skf18("3","4","5","5","3","6","1") = "5"
    & skf18("3","4","5","5","3","7","1") = "6"
    & skf18("3","4","5","5","3","8","1") = "7"
    & skf18("3","4","5","5","3","9","1") = "8"
    & skf18("3","4","5","5","3","10","1") = "9"
    & skf18("3","4","5","5","4","1","1") = "4"
    & skf18("3","4","5","5","4","2","1") = "4"
    & skf18("3","4","5","5","4","3","1") = "4"
    & skf18("3","4","5","5","4","4","1") = "4"
    & skf18("3","4","5","5","4","5","1") = "4"
    & skf18("3","4","5","5","4","6","1") = "5"
    & skf18("3","4","5","5","4","7","1") = "6"
    & skf18("3","4","5","5","4","8","1") = "7"
    & skf18("3","4","5","5","4","9","1") = "8"
    & skf18("3","4","5","5","4","10","1") = "9"
    & skf18("3","4","5","5","5","1","1") = "4"
    & skf18("3","4","5","5","5","2","1") = "4"
    & skf18("3","4","5","5","5","3","1") = "4"
    & skf18("3","4","5","5","5","4","1") = "4"
    & skf18("3","4","5","5","5","5","1") = "4"
    & skf18("3","4","5","5","5","6","1") = "5"
    & skf18("3","4","5","5","5","7","1") = "6"
    & skf18("3","4","5","5","5","8","1") = "7"
    & skf18("3","4","5","5","5","9","1") = "8"
    & skf18("3","4","5","5","5","10","1") = "9"
    & skf18("3","4","5","5","6","1","1") = "5"
    & skf18("3","4","5","5","6","2","1") = "5"
    & skf18("3","4","5","5","6","3","1") = "5"
    & skf18("3","4","5","5","6","4","1") = "5"
    & skf18("3","4","5","5","6","5","1") = "5"
    & skf18("3","4","5","5","6","6","1") = "5"
    & skf18("3","4","5","5","6","7","1") = "6"
    & skf18("3","4","5","5","6","8","1") = "7"
    & skf18("3","4","5","5","6","9","1") = "8"
    & skf18("3","4","5","5","6","10","1") = "9"
    & skf18("3","4","5","5","7","1","1") = "6"
    & skf18("3","4","5","5","7","2","1") = "6"
    & skf18("3","4","5","5","7","3","1") = "6"
    & skf18("3","4","5","5","7","4","1") = "6"
    & skf18("3","4","5","5","7","5","1") = "6"
    & skf18("3","4","5","5","7","6","1") = "6"
    & skf18("3","4","5","5","7","7","1") = "6"
    & skf18("3","4","5","5","7","8","1") = "7"
    & skf18("3","4","5","5","7","9","1") = "8"
    & skf18("3","4","5","5","7","10","1") = "9"
    & skf18("3","4","5","5","8","1","1") = "7"
    & skf18("3","4","5","5","8","2","1") = "7"
    & skf18("3","4","5","5","8","3","1") = "7"
    & skf18("3","4","5","5","8","4","1") = "7"
    & skf18("3","4","5","5","8","5","1") = "7"
    & skf18("3","4","5","5","8","6","1") = "7"
    & skf18("3","4","5","5","8","7","1") = "7"
    & skf18("3","4","5","5","8","8","1") = "7"
    & skf18("3","4","5","5","8","9","1") = "8"
    & skf18("3","4","5","5","8","10","1") = "9"
    & skf18("3","4","5","5","9","1","1") = "8"
    & skf18("3","4","5","5","9","2","1") = "8"
    & skf18("3","4","5","5","9","3","1") = "8"
    & skf18("3","4","5","5","9","4","1") = "8"
    & skf18("3","4","5","5","9","5","1") = "8"
    & skf18("3","4","5","5","9","6","1") = "8"
    & skf18("3","4","5","5","9","7","1") = "8"
    & skf18("3","4","5","5","9","8","1") = "8"
    & skf18("3","4","5","5","9","9","1") = "8"
    & skf18("3","4","5","5","9","10","1") = "9"
    & skf18("3","4","5","5","10","1","1") = "9"
    & skf18("3","4","5","5","10","2","1") = "9"
    & skf18("3","4","5","5","10","3","1") = "9"
    & skf18("3","4","5","5","10","4","1") = "9"
    & skf18("3","4","5","5","10","5","1") = "9"
    & skf18("3","4","5","5","10","6","1") = "9"
    & skf18("3","4","5","5","10","7","1") = "9"
    & skf18("3","4","5","5","10","8","1") = "9"
    & skf18("3","4","5","5","10","9","1") = "9"
    & skf18("3","4","5","5","10","10","1") = "9"
    & skf18("3","4","5","6","1","1","1") = "5"
    & skf18("3","4","5","6","1","2","1") = "5"
    & skf18("3","4","5","6","1","3","1") = "5"
    & skf18("3","4","5","6","1","4","1") = "5"
    & skf18("3","4","5","6","1","5","1") = "5"
    & skf18("3","4","5","6","1","6","1") = "5"
    & skf18("3","4","5","6","1","7","1") = "6"
    & skf18("3","4","5","6","1","8","1") = "7"
    & skf18("3","4","5","6","1","9","1") = "8"
    & skf18("3","4","5","6","1","10","1") = "9"
    & skf18("3","4","5","6","2","1","1") = "5"
    & skf18("3","4","5","6","2","2","1") = "5"
    & skf18("3","4","5","6","2","3","1") = "5"
    & skf18("3","4","5","6","2","4","1") = "5"
    & skf18("3","4","5","6","2","5","1") = "5"
    & skf18("3","4","5","6","2","6","1") = "5"
    & skf18("3","4","5","6","2","7","1") = "6"
    & skf18("3","4","5","6","2","8","1") = "7"
    & skf18("3","4","5","6","2","9","1") = "8"
    & skf18("3","4","5","6","2","10","1") = "9"
    & skf18("3","4","5","6","3","1","1") = "5"
    & skf18("3","4","5","6","3","2","1") = "5"
    & skf18("3","4","5","6","3","3","1") = "5"
    & skf18("3","4","5","6","3","4","1") = "5"
    & skf18("3","4","5","6","3","5","1") = "5"
    & skf18("3","4","5","6","3","6","1") = "5"
    & skf18("3","4","5","6","3","7","1") = "6"
    & skf18("3","4","5","6","3","8","1") = "7"
    & skf18("3","4","5","6","3","9","1") = "8"
    & skf18("3","4","5","6","3","10","1") = "9"
    & skf18("3","4","5","6","4","1","1") = "5"
    & skf18("3","4","5","6","4","2","1") = "5"
    & skf18("3","4","5","6","4","3","1") = "5"
    & skf18("3","4","5","6","4","4","1") = "5"
    & skf18("3","4","5","6","4","5","1") = "5"
    & skf18("3","4","5","6","4","6","1") = "5"
    & skf18("3","4","5","6","4","7","1") = "6"
    & skf18("3","4","5","6","4","8","1") = "7"
    & skf18("3","4","5","6","4","9","1") = "8"
    & skf18("3","4","5","6","4","10","1") = "9"
    & skf18("3","4","5","6","5","1","1") = "5"
    & skf18("3","4","5","6","5","2","1") = "5"
    & skf18("3","4","5","6","5","3","1") = "5"
    & skf18("3","4","5","6","5","4","1") = "5"
    & skf18("3","4","5","6","5","5","1") = "5"
    & skf18("3","4","5","6","5","6","1") = "5"
    & skf18("3","4","5","6","5","7","1") = "6"
    & skf18("3","4","5","6","5","8","1") = "7"
    & skf18("3","4","5","6","5","9","1") = "8"
    & skf18("3","4","5","6","5","10","1") = "9"
    & skf18("3","4","5","6","6","1","1") = "5"
    & skf18("3","4","5","6","6","2","1") = "5"
    & skf18("3","4","5","6","6","3","1") = "5"
    & skf18("3","4","5","6","6","4","1") = "5"
    & skf18("3","4","5","6","6","5","1") = "5"
    & skf18("3","4","5","6","6","6","1") = "5"
    & skf18("3","4","5","6","6","7","1") = "6"
    & skf18("3","4","5","6","6","8","1") = "7"
    & skf18("3","4","5","6","6","9","1") = "8"
    & skf18("3","4","5","6","6","10","1") = "9"
    & skf18("3","4","5","6","7","1","1") = "6"
    & skf18("3","4","5","6","7","2","1") = "6"
    & skf18("3","4","5","6","7","3","1") = "6"
    & skf18("3","4","5","6","7","4","1") = "6"
    & skf18("3","4","5","6","7","5","1") = "6"
    & skf18("3","4","5","6","7","6","1") = "6"
    & skf18("3","4","5","6","7","7","1") = "6"
    & skf18("3","4","5","6","7","8","1") = "7"
    & skf18("3","4","5","6","7","9","1") = "8"
    & skf18("3","4","5","6","7","10","1") = "9"
    & skf18("3","4","5","6","8","1","1") = "7"
    & skf18("3","4","5","6","8","2","1") = "7"
    & skf18("3","4","5","6","8","3","1") = "7"
    & skf18("3","4","5","6","8","4","1") = "7"
    & skf18("3","4","5","6","8","5","1") = "7"
    & skf18("3","4","5","6","8","6","1") = "7"
    & skf18("3","4","5","6","8","7","1") = "7"
    & skf18("3","4","5","6","8","8","1") = "7"
    & skf18("3","4","5","6","8","9","1") = "8"
    & skf18("3","4","5","6","8","10","1") = "9"
    & skf18("3","4","5","6","9","1","1") = "8"
    & skf18("3","4","5","6","9","2","1") = "8"
    & skf18("3","4","5","6","9","3","1") = "8"
    & skf18("3","4","5","6","9","4","1") = "8"
    & skf18("3","4","5","6","9","5","1") = "8"
    & skf18("3","4","5","6","9","6","1") = "8"
    & skf18("3","4","5","6","9","7","1") = "8"
    & skf18("3","4","5","6","9","8","1") = "8"
    & skf18("3","4","5","6","9","9","1") = "8"
    & skf18("3","4","5","6","9","10","1") = "9"
    & skf18("3","4","5","6","10","1","1") = "9"
    & skf18("3","4","5","6","10","2","1") = "9"
    & skf18("3","4","5","6","10","3","1") = "9"
    & skf18("3","4","5","6","10","4","1") = "9"
    & skf18("3","4","5","6","10","5","1") = "9"
    & skf18("3","4","5","6","10","6","1") = "9"
    & skf18("3","4","5","6","10","7","1") = "9"
    & skf18("3","4","5","6","10","8","1") = "9"
    & skf18("3","4","5","6","10","9","1") = "9"
    & skf18("3","4","5","6","10","10","1") = "9"
    & skf18("3","4","5","7","1","1","1") = "6"
    & skf18("3","4","5","7","1","2","1") = "6"
    & skf18("3","4","5","7","1","3","1") = "6"
    & skf18("3","4","5","7","1","4","1") = "6"
    & skf18("3","4","5","7","1","5","1") = "6"
    & skf18("3","4","5","7","1","6","1") = "6"
    & skf18("3","4","5","7","1","7","1") = "6"
    & skf18("3","4","5","7","1","8","1") = "7"
    & skf18("3","4","5","7","1","9","1") = "8"
    & skf18("3","4","5","7","1","10","1") = "9"
    & skf18("3","4","5","7","2","1","1") = "6"
    & skf18("3","4","5","7","2","2","1") = "6"
    & skf18("3","4","5","7","2","3","1") = "6"
    & skf18("3","4","5","7","2","4","1") = "6"
    & skf18("3","4","5","7","2","5","1") = "6"
    & skf18("3","4","5","7","2","6","1") = "6"
    & skf18("3","4","5","7","2","7","1") = "6"
    & skf18("3","4","5","7","2","8","1") = "7"
    & skf18("3","4","5","7","2","9","1") = "8"
    & skf18("3","4","5","7","2","10","1") = "9"
    & skf18("3","4","5","7","3","1","1") = "6"
    & skf18("3","4","5","7","3","2","1") = "6"
    & skf18("3","4","5","7","3","3","1") = "6"
    & skf18("3","4","5","7","3","4","1") = "6"
    & skf18("3","4","5","7","3","5","1") = "6"
    & skf18("3","4","5","7","3","6","1") = "6"
    & skf18("3","4","5","7","3","7","1") = "6"
    & skf18("3","4","5","7","3","8","1") = "7"
    & skf18("3","4","5","7","3","9","1") = "8"
    & skf18("3","4","5","7","3","10","1") = "9"
    & skf18("3","4","5","7","4","1","1") = "6"
    & skf18("3","4","5","7","4","2","1") = "6"
    & skf18("3","4","5","7","4","3","1") = "6"
    & skf18("3","4","5","7","4","4","1") = "6"
    & skf18("3","4","5","7","4","5","1") = "6"
    & skf18("3","4","5","7","4","6","1") = "6"
    & skf18("3","4","5","7","4","7","1") = "6"
    & skf18("3","4","5","7","4","8","1") = "7"
    & skf18("3","4","5","7","4","9","1") = "8"
    & skf18("3","4","5","7","4","10","1") = "9"
    & skf18("3","4","5","7","5","1","1") = "6"
    & skf18("3","4","5","7","5","2","1") = "6"
    & skf18("3","4","5","7","5","3","1") = "6"
    & skf18("3","4","5","7","5","4","1") = "6"
    & skf18("3","4","5","7","5","5","1") = "6"
    & skf18("3","4","5","7","5","6","1") = "6"
    & skf18("3","4","5","7","5","7","1") = "6"
    & skf18("3","4","5","7","5","8","1") = "7"
    & skf18("3","4","5","7","5","9","1") = "8"
    & skf18("3","4","5","7","5","10","1") = "9"
    & skf18("3","4","5","7","6","1","1") = "6"
    & skf18("3","4","5","7","6","2","1") = "6"
    & skf18("3","4","5","7","6","3","1") = "6"
    & skf18("3","4","5","7","6","4","1") = "6"
    & skf18("3","4","5","7","6","5","1") = "6"
    & skf18("3","4","5","7","6","6","1") = "6"
    & skf18("3","4","5","7","6","7","1") = "6"
    & skf18("3","4","5","7","6","8","1") = "7"
    & skf18("3","4","5","7","6","9","1") = "8"
    & skf18("3","4","5","7","6","10","1") = "9"
    & skf18("3","4","5","7","7","1","1") = "6"
    & skf18("3","4","5","7","7","2","1") = "6"
    & skf18("3","4","5","7","7","3","1") = "6"
    & skf18("3","4","5","7","7","4","1") = "6"
    & skf18("3","4","5","7","7","5","1") = "6"
    & skf18("3","4","5","7","7","6","1") = "6"
    & skf18("3","4","5","7","7","7","1") = "6"
    & skf18("3","4","5","7","7","8","1") = "7"
    & skf18("3","4","5","7","7","9","1") = "8"
    & skf18("3","4","5","7","7","10","1") = "9"
    & skf18("3","4","5","7","8","1","1") = "7"
    & skf18("3","4","5","7","8","2","1") = "7"
    & skf18("3","4","5","7","8","3","1") = "7"
    & skf18("3","4","5","7","8","4","1") = "7"
    & skf18("3","4","5","7","8","5","1") = "7"
    & skf18("3","4","5","7","8","6","1") = "7"
    & skf18("3","4","5","7","8","7","1") = "7"
    & skf18("3","4","5","7","8","8","1") = "7"
    & skf18("3","4","5","7","8","9","1") = "8"
    & skf18("3","4","5","7","8","10","1") = "9"
    & skf18("3","4","5","7","9","1","1") = "8"
    & skf18("3","4","5","7","9","2","1") = "8"
    & skf18("3","4","5","7","9","3","1") = "8"
    & skf18("3","4","5","7","9","4","1") = "8"
    & skf18("3","4","5","7","9","5","1") = "8"
    & skf18("3","4","5","7","9","6","1") = "8"
    & skf18("3","4","5","7","9","7","1") = "8"
    & skf18("3","4","5","7","9","8","1") = "8"
    & skf18("3","4","5","7","9","9","1") = "8"
    & skf18("3","4","5","7","9","10","1") = "9"
    & skf18("3","4","5","7","10","1","1") = "9"
    & skf18("3","4","5","7","10","2","1") = "9"
    & skf18("3","4","5","7","10","3","1") = "9"
    & skf18("3","4","5","7","10","4","1") = "9"
    & skf18("3","4","5","7","10","5","1") = "9"
    & skf18("3","4","5","7","10","6","1") = "9"
    & skf18("3","4","5","7","10","7","1") = "9"
    & skf18("3","4","5","7","10","8","1") = "9"
    & skf18("3","4","5","7","10","9","1") = "9"
    & skf18("3","4","5","7","10","10","1") = "9"
    & skf18("3","4","5","8","1","1","1") = "7"
    & skf18("3","4","5","8","1","2","1") = "7"
    & skf18("3","4","5","8","1","3","1") = "7"
    & skf18("3","4","5","8","1","4","1") = "7"
    & skf18("3","4","5","8","1","5","1") = "7"
    & skf18("3","4","5","8","1","6","1") = "7"
    & skf18("3","4","5","8","1","7","1") = "7"
    & skf18("3","4","5","8","1","8","1") = "7"
    & skf18("3","4","5","8","1","9","1") = "8"
    & skf18("3","4","5","8","1","10","1") = "9"
    & skf18("3","4","5","8","2","1","1") = "7"
    & skf18("3","4","5","8","2","2","1") = "7"
    & skf18("3","4","5","8","2","3","1") = "7"
    & skf18("3","4","5","8","2","4","1") = "7"
    & skf18("3","4","5","8","2","5","1") = "7"
    & skf18("3","4","5","8","2","6","1") = "7"
    & skf18("3","4","5","8","2","7","1") = "7"
    & skf18("3","4","5","8","2","8","1") = "7"
    & skf18("3","4","5","8","2","9","1") = "8"
    & skf18("3","4","5","8","2","10","1") = "9"
    & skf18("3","4","5","8","3","1","1") = "7"
    & skf18("3","4","5","8","3","2","1") = "7"
    & skf18("3","4","5","8","3","3","1") = "7"
    & skf18("3","4","5","8","3","4","1") = "7"
    & skf18("3","4","5","8","3","5","1") = "7"
    & skf18("3","4","5","8","3","6","1") = "7"
    & skf18("3","4","5","8","3","7","1") = "7"
    & skf18("3","4","5","8","3","8","1") = "7"
    & skf18("3","4","5","8","3","9","1") = "8"
    & skf18("3","4","5","8","3","10","1") = "9"
    & skf18("3","4","5","8","4","1","1") = "7"
    & skf18("3","4","5","8","4","2","1") = "7"
    & skf18("3","4","5","8","4","3","1") = "7"
    & skf18("3","4","5","8","4","4","1") = "7"
    & skf18("3","4","5","8","4","5","1") = "7"
    & skf18("3","4","5","8","4","6","1") = "7"
    & skf18("3","4","5","8","4","7","1") = "7"
    & skf18("3","4","5","8","4","8","1") = "7"
    & skf18("3","4","5","8","4","9","1") = "8"
    & skf18("3","4","5","8","4","10","1") = "9"
    & skf18("3","4","5","8","5","1","1") = "7"
    & skf18("3","4","5","8","5","2","1") = "7"
    & skf18("3","4","5","8","5","3","1") = "7"
    & skf18("3","4","5","8","5","4","1") = "7"
    & skf18("3","4","5","8","5","5","1") = "7"
    & skf18("3","4","5","8","5","6","1") = "7"
    & skf18("3","4","5","8","5","7","1") = "7"
    & skf18("3","4","5","8","5","8","1") = "7"
    & skf18("3","4","5","8","5","9","1") = "8"
    & skf18("3","4","5","8","5","10","1") = "9"
    & skf18("3","4","5","8","6","1","1") = "7"
    & skf18("3","4","5","8","6","2","1") = "7"
    & skf18("3","4","5","8","6","3","1") = "7"
    & skf18("3","4","5","8","6","4","1") = "7"
    & skf18("3","4","5","8","6","5","1") = "7"
    & skf18("3","4","5","8","6","6","1") = "7"
    & skf18("3","4","5","8","6","7","1") = "7"
    & skf18("3","4","5","8","6","8","1") = "7"
    & skf18("3","4","5","8","6","9","1") = "8"
    & skf18("3","4","5","8","6","10","1") = "9"
    & skf18("3","4","5","8","7","1","1") = "7"
    & skf18("3","4","5","8","7","2","1") = "7"
    & skf18("3","4","5","8","7","3","1") = "7"
    & skf18("3","4","5","8","7","4","1") = "7"
    & skf18("3","4","5","8","7","5","1") = "7"
    & skf18("3","4","5","8","7","6","1") = "7"
    & skf18("3","4","5","8","7","7","1") = "7"
    & skf18("3","4","5","8","7","8","1") = "7"
    & skf18("3","4","5","8","7","9","1") = "8"
    & skf18("3","4","5","8","7","10","1") = "9"
    & skf18("3","4","5","8","8","1","1") = "7"
    & skf18("3","4","5","8","8","2","1") = "7"
    & skf18("3","4","5","8","8","3","1") = "7"
    & skf18("3","4","5","8","8","4","1") = "7"
    & skf18("3","4","5","8","8","5","1") = "7"
    & skf18("3","4","5","8","8","6","1") = "7"
    & skf18("3","4","5","8","8","7","1") = "7"
    & skf18("3","4","5","8","8","8","1") = "7"
    & skf18("3","4","5","8","8","9","1") = "8"
    & skf18("3","4","5","8","8","10","1") = "9"
    & skf18("3","4","5","8","9","1","1") = "8"
    & skf18("3","4","5","8","9","2","1") = "8"
    & skf18("3","4","5","8","9","3","1") = "8"
    & skf18("3","4","5","8","9","4","1") = "8"
    & skf18("3","4","5","8","9","5","1") = "8"
    & skf18("3","4","5","8","9","6","1") = "8"
    & skf18("3","4","5","8","9","7","1") = "8"
    & skf18("3","4","5","8","9","8","1") = "8"
    & skf18("3","4","5","8","9","9","1") = "8"
    & skf18("3","4","5","8","9","10","1") = "9"
    & skf18("3","4","5","8","10","1","1") = "9"
    & skf18("3","4","5","8","10","2","1") = "9"
    & skf18("3","4","5","8","10","3","1") = "9"
    & skf18("3","4","5","8","10","4","1") = "9"
    & skf18("3","4","5","8","10","5","1") = "9"
    & skf18("3","4","5","8","10","6","1") = "9"
    & skf18("3","4","5","8","10","7","1") = "9"
    & skf18("3","4","5","8","10","8","1") = "9"
    & skf18("3","4","5","8","10","9","1") = "9"
    & skf18("3","4","5","8","10","10","1") = "9"
    & skf18("3","4","5","9","1","1","1") = "8"
    & skf18("3","4","5","9","1","2","1") = "8"
    & skf18("3","4","5","9","1","3","1") = "8"
    & skf18("3","4","5","9","1","4","1") = "8"
    & skf18("3","4","5","9","1","5","1") = "8"
    & skf18("3","4","5","9","1","6","1") = "8"
    & skf18("3","4","5","9","1","7","1") = "8"
    & skf18("3","4","5","9","1","8","1") = "8"
    & skf18("3","4","5","9","1","9","1") = "8"
    & skf18("3","4","5","9","1","10","1") = "9"
    & skf18("3","4","5","9","2","1","1") = "8"
    & skf18("3","4","5","9","2","2","1") = "8"
    & skf18("3","4","5","9","2","3","1") = "8"
    & skf18("3","4","5","9","2","4","1") = "8"
    & skf18("3","4","5","9","2","5","1") = "8"
    & skf18("3","4","5","9","2","6","1") = "8"
    & skf18("3","4","5","9","2","7","1") = "8"
    & skf18("3","4","5","9","2","8","1") = "8"
    & skf18("3","4","5","9","2","9","1") = "8"
    & skf18("3","4","5","9","2","10","1") = "9"
    & skf18("3","4","5","9","3","1","1") = "8"
    & skf18("3","4","5","9","3","2","1") = "8"
    & skf18("3","4","5","9","3","3","1") = "8"
    & skf18("3","4","5","9","3","4","1") = "8"
    & skf18("3","4","5","9","3","5","1") = "8"
    & skf18("3","4","5","9","3","6","1") = "8"
    & skf18("3","4","5","9","3","7","1") = "8"
    & skf18("3","4","5","9","3","8","1") = "8"
    & skf18("3","4","5","9","3","9","1") = "8"
    & skf18("3","4","5","9","3","10","1") = "9"
    & skf18("3","4","5","9","4","1","1") = "8"
    & skf18("3","4","5","9","4","2","1") = "8"
    & skf18("3","4","5","9","4","3","1") = "8"
    & skf18("3","4","5","9","4","4","1") = "8"
    & skf18("3","4","5","9","4","5","1") = "8"
    & skf18("3","4","5","9","4","6","1") = "8"
    & skf18("3","4","5","9","4","7","1") = "8"
    & skf18("3","4","5","9","4","8","1") = "8"
    & skf18("3","4","5","9","4","9","1") = "8"
    & skf18("3","4","5","9","4","10","1") = "9"
    & skf18("3","4","5","9","5","1","1") = "8"
    & skf18("3","4","5","9","5","2","1") = "8"
    & skf18("3","4","5","9","5","3","1") = "8"
    & skf18("3","4","5","9","5","4","1") = "8"
    & skf18("3","4","5","9","5","5","1") = "8"
    & skf18("3","4","5","9","5","6","1") = "8"
    & skf18("3","4","5","9","5","7","1") = "8"
    & skf18("3","4","5","9","5","8","1") = "8"
    & skf18("3","4","5","9","5","9","1") = "8"
    & skf18("3","4","5","9","5","10","1") = "9"
    & skf18("3","4","5","9","6","1","1") = "8"
    & skf18("3","4","5","9","6","2","1") = "8"
    & skf18("3","4","5","9","6","3","1") = "8"
    & skf18("3","4","5","9","6","4","1") = "8"
    & skf18("3","4","5","9","6","5","1") = "8"
    & skf18("3","4","5","9","6","6","1") = "8"
    & skf18("3","4","5","9","6","7","1") = "8"
    & skf18("3","4","5","9","6","8","1") = "8"
    & skf18("3","4","5","9","6","9","1") = "8"
    & skf18("3","4","5","9","6","10","1") = "9"
    & skf18("3","4","5","9","7","1","1") = "8"
    & skf18("3","4","5","9","7","2","1") = "8"
    & skf18("3","4","5","9","7","3","1") = "8"
    & skf18("3","4","5","9","7","4","1") = "8"
    & skf18("3","4","5","9","7","5","1") = "8"
    & skf18("3","4","5","9","7","6","1") = "8"
    & skf18("3","4","5","9","7","7","1") = "8"
    & skf18("3","4","5","9","7","8","1") = "8"
    & skf18("3","4","5","9","7","9","1") = "8"
    & skf18("3","4","5","9","7","10","1") = "9"
    & skf18("3","4","5","9","8","1","1") = "8"
    & skf18("3","4","5","9","8","2","1") = "8"
    & skf18("3","4","5","9","8","3","1") = "8"
    & skf18("3","4","5","9","8","4","1") = "8"
    & skf18("3","4","5","9","8","5","1") = "8"
    & skf18("3","4","5","9","8","6","1") = "8"
    & skf18("3","4","5","9","8","7","1") = "8"
    & skf18("3","4","5","9","8","8","1") = "8"
    & skf18("3","4","5","9","8","9","1") = "8"
    & skf18("3","4","5","9","8","10","1") = "9"
    & skf18("3","4","5","9","9","1","1") = "8"
    & skf18("3","4","5","9","9","2","1") = "8"
    & skf18("3","4","5","9","9","3","1") = "8"
    & skf18("3","4","5","9","9","4","1") = "8"
    & skf18("3","4","5","9","9","5","1") = "8"
    & skf18("3","4","5","9","9","6","1") = "8"
    & skf18("3","4","5","9","9","7","1") = "8"
    & skf18("3","4","5","9","9","8","1") = "8"
    & skf18("3","4","5","9","9","9","1") = "8"
    & skf18("3","4","5","9","9","10","1") = "9"
    & skf18("3","4","5","9","10","1","1") = "9"
    & skf18("3","4","5","9","10","2","1") = "9"
    & skf18("3","4","5","9","10","3","1") = "9"
    & skf18("3","4","5","9","10","4","1") = "9"
    & skf18("3","4","5","9","10","5","1") = "9"
    & skf18("3","4","5","9","10","6","1") = "9"
    & skf18("3","4","5","9","10","7","1") = "9"
    & skf18("3","4","5","9","10","8","1") = "9"
    & skf18("3","4","5","9","10","9","1") = "9"
    & skf18("3","4","5","9","10","10","1") = "9"
    & skf18("3","4","5","10","1","1","1") = "9"
    & skf18("3","4","5","10","1","2","1") = "9"
    & skf18("3","4","5","10","1","3","1") = "9"
    & skf18("3","4","5","10","1","4","1") = "9"
    & skf18("3","4","5","10","1","5","1") = "9"
    & skf18("3","4","5","10","1","6","1") = "9"
    & skf18("3","4","5","10","1","7","1") = "9"
    & skf18("3","4","5","10","1","8","1") = "9"
    & skf18("3","4","5","10","1","9","1") = "9"
    & skf18("3","4","5","10","1","10","1") = "9"
    & skf18("3","4","5","10","2","1","1") = "9"
    & skf18("3","4","5","10","2","2","1") = "9"
    & skf18("3","4","5","10","2","3","1") = "9"
    & skf18("3","4","5","10","2","4","1") = "9"
    & skf18("3","4","5","10","2","5","1") = "9"
    & skf18("3","4","5","10","2","6","1") = "9"
    & skf18("3","4","5","10","2","7","1") = "9"
    & skf18("3","4","5","10","2","8","1") = "9"
    & skf18("3","4","5","10","2","9","1") = "9"
    & skf18("3","4","5","10","2","10","1") = "9"
    & skf18("3","4","5","10","3","1","1") = "9"
    & skf18("3","4","5","10","3","2","1") = "9"
    & skf18("3","4","5","10","3","3","1") = "9"
    & skf18("3","4","5","10","3","4","1") = "9"
    & skf18("3","4","5","10","3","5","1") = "9"
    & skf18("3","4","5","10","3","6","1") = "9"
    & skf18("3","4","5","10","3","7","1") = "9"
    & skf18("3","4","5","10","3","8","1") = "9"
    & skf18("3","4","5","10","3","9","1") = "9"
    & skf18("3","4","5","10","3","10","1") = "9"
    & skf18("3","4","5","10","4","1","1") = "9"
    & skf18("3","4","5","10","4","2","1") = "9"
    & skf18("3","4","5","10","4","3","1") = "9"
    & skf18("3","4","5","10","4","4","1") = "9"
    & skf18("3","4","5","10","4","5","1") = "9"
    & skf18("3","4","5","10","4","6","1") = "9"
    & skf18("3","4","5","10","4","7","1") = "9"
    & skf18("3","4","5","10","4","8","1") = "9"
    & skf18("3","4","5","10","4","9","1") = "9"
    & skf18("3","4","5","10","4","10","1") = "9"
    & skf18("3","4","5","10","5","1","1") = "9"
    & skf18("3","4","5","10","5","2","1") = "9"
    & skf18("3","4","5","10","5","3","1") = "9"
    & skf18("3","4","5","10","5","4","1") = "9"
    & skf18("3","4","5","10","5","5","1") = "9"
    & skf18("3","4","5","10","5","6","1") = "9"
    & skf18("3","4","5","10","5","7","1") = "9"
    & skf18("3","4","5","10","5","8","1") = "9"
    & skf18("3","4","5","10","5","9","1") = "9"
    & skf18("3","4","5","10","5","10","1") = "9"
    & skf18("3","4","5","10","6","1","1") = "9"
    & skf18("3","4","5","10","6","2","1") = "9"
    & skf18("3","4","5","10","6","3","1") = "9"
    & skf18("3","4","5","10","6","4","1") = "9"
    & skf18("3","4","5","10","6","5","1") = "9"
    & skf18("3","4","5","10","6","6","1") = "9"
    & skf18("3","4","5","10","6","7","1") = "9"
    & skf18("3","4","5","10","6","8","1") = "9"
    & skf18("3","4","5","10","6","9","1") = "9"
    & skf18("3","4","5","10","6","10","1") = "9"
    & skf18("3","4","5","10","7","1","1") = "9"
    & skf18("3","4","5","10","7","2","1") = "9"
    & skf18("3","4","5","10","7","3","1") = "9"
    & skf18("3","4","5","10","7","4","1") = "9"
    & skf18("3","4","5","10","7","5","1") = "9"
    & skf18("3","4","5","10","7","6","1") = "9"
    & skf18("3","4","5","10","7","7","1") = "9"
    & skf18("3","4","5","10","7","8","1") = "9"
    & skf18("3","4","5","10","7","9","1") = "9"
    & skf18("3","4","5","10","7","10","1") = "9"
    & skf18("3","4","5","10","8","1","1") = "9"
    & skf18("3","4","5","10","8","2","1") = "9"
    & skf18("3","4","5","10","8","3","1") = "9"
    & skf18("3","4","5","10","8","4","1") = "9"
    & skf18("3","4","5","10","8","5","1") = "9"
    & skf18("3","4","5","10","8","6","1") = "9"
    & skf18("3","4","5","10","8","7","1") = "9"
    & skf18("3","4","5","10","8","8","1") = "9"
    & skf18("3","4","5","10","8","9","1") = "9"
    & skf18("3","4","5","10","8","10","1") = "9"
    & skf18("3","4","5","10","9","1","1") = "9"
    & skf18("3","4","5","10","9","2","1") = "9"
    & skf18("3","4","5","10","9","3","1") = "9"
    & skf18("3","4","5","10","9","4","1") = "9"
    & skf18("3","4","5","10","9","5","1") = "9"
    & skf18("3","4","5","10","9","6","1") = "9"
    & skf18("3","4","5","10","9","7","1") = "9"
    & skf18("3","4","5","10","9","8","1") = "9"
    & skf18("3","4","5","10","9","9","1") = "9"
    & skf18("3","4","5","10","9","10","1") = "9"
    & skf18("3","4","5","10","10","1","1") = "9"
    & skf18("3","4","5","10","10","2","1") = "9"
    & skf18("3","4","5","10","10","3","1") = "9"
    & skf18("3","4","5","10","10","4","1") = "9"
    & skf18("3","4","5","10","10","5","1") = "9"
    & skf18("3","4","5","10","10","6","1") = "9"
    & skf18("3","4","5","10","10","7","1") = "9"
    & skf18("3","4","5","10","10","8","1") = "9"
    & skf18("3","4","5","10","10","9","1") = "9"
    & skf18("3","4","5","10","10","10","1") = "9"
    & skf18("3","4","6","1","1","1","1") = "5"
    & skf18("3","4","6","1","1","2","1") = "5"
    & skf18("3","4","6","1","1","3","1") = "5"
    & skf18("3","4","6","1","1","4","1") = "5"
    & skf18("3","4","6","1","1","5","1") = "5"
    & skf18("3","4","6","1","1","6","1") = "5"
    & skf18("3","4","6","1","1","7","1") = "6"
    & skf18("3","4","6","1","1","8","1") = "7"
    & skf18("3","4","6","1","1","9","1") = "8"
    & skf18("3","4","6","1","1","10","1") = "9"
    & skf18("3","4","6","1","2","1","1") = "5"
    & skf18("3","4","6","1","2","2","1") = "5"
    & skf18("3","4","6","1","2","3","1") = "5"
    & skf18("3","4","6","1","2","4","1") = "5"
    & skf18("3","4","6","1","2","5","1") = "5"
    & skf18("3","4","6","1","2","6","1") = "5"
    & skf18("3","4","6","1","2","7","1") = "6"
    & skf18("3","4","6","1","2","8","1") = "7"
    & skf18("3","4","6","1","2","9","1") = "8"
    & skf18("3","4","6","1","2","10","1") = "9"
    & skf18("3","4","6","1","3","1","1") = "5"
    & skf18("3","4","6","1","3","2","1") = "5"
    & skf18("3","4","6","1","3","3","1") = "5"
    & skf18("3","4","6","1","3","4","1") = "5"
    & skf18("3","4","6","1","3","5","1") = "5"
    & skf18("3","4","6","1","3","6","1") = "5"
    & skf18("3","4","6","1","3","7","1") = "6"
    & skf18("3","4","6","1","3","8","1") = "7"
    & skf18("3","4","6","1","3","9","1") = "8"
    & skf18("3","4","6","1","3","10","1") = "9"
    & skf18("3","4","6","1","4","1","1") = "5"
    & skf18("3","4","6","1","4","2","1") = "5"
    & skf18("3","4","6","1","4","3","1") = "5"
    & skf18("3","4","6","1","4","4","1") = "5"
    & skf18("3","4","6","1","4","5","1") = "5"
    & skf18("3","4","6","1","4","6","1") = "5"
    & skf18("3","4","6","1","4","7","1") = "6"
    & skf18("3","4","6","1","4","8","1") = "7"
    & skf18("3","4","6","1","4","9","1") = "8"
    & skf18("3","4","6","1","4","10","1") = "9"
    & skf18("3","4","6","1","5","1","1") = "5"
    & skf18("3","4","6","1","5","2","1") = "5"
    & skf18("3","4","6","1","5","3","1") = "5"
    & skf18("3","4","6","1","5","4","1") = "5"
    & skf18("3","4","6","1","5","5","1") = "5"
    & skf18("3","4","6","1","5","6","1") = "5"
    & skf18("3","4","6","1","5","7","1") = "6"
    & skf18("3","4","6","1","5","8","1") = "7"
    & skf18("3","4","6","1","5","9","1") = "8"
    & skf18("3","4","6","1","5","10","1") = "9"
    & skf18("3","4","6","1","6","1","1") = "5"
    & skf18("3","4","6","1","6","2","1") = "5"
    & skf18("3","4","6","1","6","3","1") = "5"
    & skf18("3","4","6","1","6","4","1") = "5"
    & skf18("3","4","6","1","6","5","1") = "5"
    & skf18("3","4","6","1","6","6","1") = "5"
    & skf18("3","4","6","1","6","7","1") = "6"
    & skf18("3","4","6","1","6","8","1") = "7"
    & skf18("3","4","6","1","6","9","1") = "8"
    & skf18("3","4","6","1","6","10","1") = "9"
    & skf18("3","4","6","1","7","1","1") = "6"
    & skf18("3","4","6","1","7","2","1") = "6"
    & skf18("3","4","6","1","7","3","1") = "6"
    & skf18("3","4","6","1","7","4","1") = "6"
    & skf18("3","4","6","1","7","5","1") = "6"
    & skf18("3","4","6","1","7","6","1") = "6"
    & skf18("3","4","6","1","7","7","1") = "6"
    & skf18("3","4","6","1","7","8","1") = "7"
    & skf18("3","4","6","1","7","9","1") = "8"
    & skf18("3","4","6","1","7","10","1") = "9"
    & skf18("3","4","6","1","8","1","1") = "7"
    & skf18("3","4","6","1","8","2","1") = "7"
    & skf18("3","4","6","1","8","3","1") = "7"
    & skf18("3","4","6","1","8","4","1") = "7"
    & skf18("3","4","6","1","8","5","1") = "7"
    & skf18("3","4","6","1","8","6","1") = "7"
    & skf18("3","4","6","1","8","7","1") = "7"
    & skf18("3","4","6","1","8","8","1") = "7"
    & skf18("3","4","6","1","8","9","1") = "8"
    & skf18("3","4","6","1","8","10","1") = "9"
    & skf18("3","4","6","1","9","1","1") = "8"
    & skf18("3","4","6","1","9","2","1") = "8"
    & skf18("3","4","6","1","9","3","1") = "8"
    & skf18("3","4","6","1","9","4","1") = "8"
    & skf18("3","4","6","1","9","5","1") = "8"
    & skf18("3","4","6","1","9","6","1") = "8"
    & skf18("3","4","6","1","9","7","1") = "8"
    & skf18("3","4","6","1","9","8","1") = "8"
    & skf18("3","4","6","1","9","9","1") = "8"
    & skf18("3","4","6","1","9","10","1") = "9"
    & skf18("3","4","6","1","10","1","1") = "9"
    & skf18("3","4","6","1","10","2","1") = "9"
    & skf18("3","4","6","1","10","3","1") = "9"
    & skf18("3","4","6","1","10","4","1") = "9"
    & skf18("3","4","6","1","10","5","1") = "9"
    & skf18("3","4","6","1","10","6","1") = "9"
    & skf18("3","4","6","1","10","7","1") = "9"
    & skf18("3","4","6","1","10","8","1") = "9"
    & skf18("3","4","6","1","10","9","1") = "9"
    & skf18("3","4","6","1","10","10","1") = "9"
    & skf18("3","4","6","2","1","1","1") = "5"
    & skf18("3","4","6","2","1","2","1") = "5"
    & skf18("3","4","6","2","1","3","1") = "5"
    & skf18("3","4","6","2","1","4","1") = "5"
    & skf18("3","4","6","2","1","5","1") = "5"
    & skf18("3","4","6","2","1","6","1") = "5"
    & skf18("3","4","6","2","1","7","1") = "6"
    & skf18("3","4","6","2","1","8","1") = "7"
    & skf18("3","4","6","2","1","9","1") = "8"
    & skf18("3","4","6","2","1","10","1") = "9"
    & skf18("3","4","6","2","2","1","1") = "5"
    & skf18("3","4","6","2","2","2","1") = "5"
    & skf18("3","4","6","2","2","3","1") = "5"
    & skf18("3","4","6","2","2","4","1") = "5"
    & skf18("3","4","6","2","2","5","1") = "5"
    & skf18("3","4","6","2","2","6","1") = "5"
    & skf18("3","4","6","2","2","7","1") = "6"
    & skf18("3","4","6","2","2","8","1") = "7"
    & skf18("3","4","6","2","2","9","1") = "8"
    & skf18("3","4","6","2","2","10","1") = "9"
    & skf18("3","4","6","2","3","1","1") = "5"
    & skf18("3","4","6","2","3","2","1") = "5"
    & skf18("3","4","6","2","3","3","1") = "5"
    & skf18("3","4","6","2","3","4","1") = "5"
    & skf18("3","4","6","2","3","5","1") = "5"
    & skf18("3","4","6","2","3","6","1") = "5"
    & skf18("3","4","6","2","3","7","1") = "6"
    & skf18("3","4","6","2","3","8","1") = "7"
    & skf18("3","4","6","2","3","9","1") = "8"
    & skf18("3","4","6","2","3","10","1") = "9"
    & skf18("3","4","6","2","4","1","1") = "5"
    & skf18("3","4","6","2","4","2","1") = "5"
    & skf18("3","4","6","2","4","3","1") = "5"
    & skf18("3","4","6","2","4","4","1") = "5"
    & skf18("3","4","6","2","4","5","1") = "5"
    & skf18("3","4","6","2","4","6","1") = "5"
    & skf18("3","4","6","2","4","7","1") = "6"
    & skf18("3","4","6","2","4","8","1") = "7"
    & skf18("3","4","6","2","4","9","1") = "8"
    & skf18("3","4","6","2","4","10","1") = "9"
    & skf18("3","4","6","2","5","1","1") = "5"
    & skf18("3","4","6","2","5","2","1") = "5"
    & skf18("3","4","6","2","5","3","1") = "5"
    & skf18("3","4","6","2","5","4","1") = "5"
    & skf18("3","4","6","2","5","5","1") = "5"
    & skf18("3","4","6","2","5","6","1") = "5"
    & skf18("3","4","6","2","5","7","1") = "6"
    & skf18("3","4","6","2","5","8","1") = "7"
    & skf18("3","4","6","2","5","9","1") = "8"
    & skf18("3","4","6","2","5","10","1") = "9"
    & skf18("3","4","6","2","6","1","1") = "5"
    & skf18("3","4","6","2","6","2","1") = "5"
    & skf18("3","4","6","2","6","3","1") = "5"
    & skf18("3","4","6","2","6","4","1") = "5"
    & skf18("3","4","6","2","6","5","1") = "5"
    & skf18("3","4","6","2","6","6","1") = "5"
    & skf18("3","4","6","2","6","7","1") = "6"
    & skf18("3","4","6","2","6","8","1") = "7"
    & skf18("3","4","6","2","6","9","1") = "8"
    & skf18("3","4","6","2","6","10","1") = "9"
    & skf18("3","4","6","2","7","1","1") = "6"
    & skf18("3","4","6","2","7","2","1") = "6"
    & skf18("3","4","6","2","7","3","1") = "6"
    & skf18("3","4","6","2","7","4","1") = "6"
    & skf18("3","4","6","2","7","5","1") = "6"
    & skf18("3","4","6","2","7","6","1") = "6"
    & skf18("3","4","6","2","7","7","1") = "6"
    & skf18("3","4","6","2","7","8","1") = "7"
    & skf18("3","4","6","2","7","9","1") = "8"
    & skf18("3","4","6","2","7","10","1") = "9"
    & skf18("3","4","6","2","8","1","1") = "7"
    & skf18("3","4","6","2","8","2","1") = "7"
    & skf18("3","4","6","2","8","3","1") = "7"
    & skf18("3","4","6","2","8","4","1") = "7"
    & skf18("3","4","6","2","8","5","1") = "7"
    & skf18("3","4","6","2","8","6","1") = "7"
    & skf18("3","4","6","2","8","7","1") = "7"
    & skf18("3","4","6","2","8","8","1") = "7"
    & skf18("3","4","6","2","8","9","1") = "8"
    & skf18("3","4","6","2","8","10","1") = "9"
    & skf18("3","4","6","2","9","1","1") = "8"
    & skf18("3","4","6","2","9","2","1") = "8"
    & skf18("3","4","6","2","9","3","1") = "8"
    & skf18("3","4","6","2","9","4","1") = "8"
    & skf18("3","4","6","2","9","5","1") = "8"
    & skf18("3","4","6","2","9","6","1") = "8"
    & skf18("3","4","6","2","9","7","1") = "8"
    & skf18("3","4","6","2","9","8","1") = "8"
    & skf18("3","4","6","2","9","9","1") = "8"
    & skf18("3","4","6","2","9","10","1") = "9"
    & skf18("3","4","6","2","10","1","1") = "9"
    & skf18("3","4","6","2","10","2","1") = "9"
    & skf18("3","4","6","2","10","3","1") = "9"
    & skf18("3","4","6","2","10","4","1") = "9"
    & skf18("3","4","6","2","10","5","1") = "9"
    & skf18("3","4","6","2","10","6","1") = "9"
    & skf18("3","4","6","2","10","7","1") = "9"
    & skf18("3","4","6","2","10","8","1") = "9"
    & skf18("3","4","6","2","10","9","1") = "9"
    & skf18("3","4","6","2","10","10","1") = "9"
    & skf18("3","4","6","3","1","1","1") = "5"
    & skf18("3","4","6","3","1","2","1") = "5"
    & skf18("3","4","6","3","1","3","1") = "5"
    & skf18("3","4","6","3","1","4","1") = "5"
    & skf18("3","4","6","3","1","5","1") = "5"
    & skf18("3","4","6","3","1","6","1") = "5"
    & skf18("3","4","6","3","1","7","1") = "6"
    & skf18("3","4","6","3","1","8","1") = "7"
    & skf18("3","4","6","3","1","9","1") = "8"
    & skf18("3","4","6","3","1","10","1") = "9"
    & skf18("3","4","6","3","2","1","1") = "5"
    & skf18("3","4","6","3","2","2","1") = "5"
    & skf18("3","4","6","3","2","3","1") = "5"
    & skf18("3","4","6","3","2","4","1") = "5"
    & skf18("3","4","6","3","2","5","1") = "5"
    & skf18("3","4","6","3","2","6","1") = "5"
    & skf18("3","4","6","3","2","7","1") = "6"
    & skf18("3","4","6","3","2","8","1") = "7"
    & skf18("3","4","6","3","2","9","1") = "8"
    & skf18("3","4","6","3","2","10","1") = "9"
    & skf18("3","4","6","3","3","1","1") = "5"
    & skf18("3","4","6","3","3","2","1") = "5"
    & skf18("3","4","6","3","3","3","1") = "5"
    & skf18("3","4","6","3","3","4","1") = "5"
    & skf18("3","4","6","3","3","5","1") = "5"
    & skf18("3","4","6","3","3","6","1") = "5"
    & skf18("3","4","6","3","3","7","1") = "6"
    & skf18("3","4","6","3","3","8","1") = "7"
    & skf18("3","4","6","3","3","9","1") = "8"
    & skf18("3","4","6","3","3","10","1") = "9"
    & skf18("3","4","6","3","4","1","1") = "5"
    & skf18("3","4","6","3","4","2","1") = "5"
    & skf18("3","4","6","3","4","3","1") = "5"
    & skf18("3","4","6","3","4","4","1") = "5"
    & skf18("3","4","6","3","4","5","1") = "5"
    & skf18("3","4","6","3","4","6","1") = "5"
    & skf18("3","4","6","3","4","7","1") = "6"
    & skf18("3","4","6","3","4","8","1") = "7"
    & skf18("3","4","6","3","4","9","1") = "8"
    & skf18("3","4","6","3","4","10","1") = "9"
    & skf18("3","4","6","3","5","1","1") = "5"
    & skf18("3","4","6","3","5","2","1") = "5"
    & skf18("3","4","6","3","5","3","1") = "5"
    & skf18("3","4","6","3","5","4","1") = "5"
    & skf18("3","4","6","3","5","5","1") = "5"
    & skf18("3","4","6","3","5","6","1") = "5"
    & skf18("3","4","6","3","5","7","1") = "6"
    & skf18("3","4","6","3","5","8","1") = "7"
    & skf18("3","4","6","3","5","9","1") = "8"
    & skf18("3","4","6","3","5","10","1") = "9"
    & skf18("3","4","6","3","6","1","1") = "5"
    & skf18("3","4","6","3","6","2","1") = "5"
    & skf18("3","4","6","3","6","3","1") = "5"
    & skf18("3","4","6","3","6","4","1") = "5"
    & skf18("3","4","6","3","6","5","1") = "5"
    & skf18("3","4","6","3","6","6","1") = "5"
    & skf18("3","4","6","3","6","7","1") = "6"
    & skf18("3","4","6","3","6","8","1") = "7"
    & skf18("3","4","6","3","6","9","1") = "8"
    & skf18("3","4","6","3","6","10","1") = "9"
    & skf18("3","4","6","3","7","1","1") = "6"
    & skf18("3","4","6","3","7","2","1") = "6"
    & skf18("3","4","6","3","7","3","1") = "6"
    & skf18("3","4","6","3","7","4","1") = "6"
    & skf18("3","4","6","3","7","5","1") = "6"
    & skf18("3","4","6","3","7","6","1") = "6"
    & skf18("3","4","6","3","7","7","1") = "6"
    & skf18("3","4","6","3","7","8","1") = "7"
    & skf18("3","4","6","3","7","9","1") = "8"
    & skf18("3","4","6","3","7","10","1") = "9"
    & skf18("3","4","6","3","8","1","1") = "7"
    & skf18("3","4","6","3","8","2","1") = "7"
    & skf18("3","4","6","3","8","3","1") = "7"
    & skf18("3","4","6","3","8","4","1") = "7"
    & skf18("3","4","6","3","8","5","1") = "7"
    & skf18("3","4","6","3","8","6","1") = "7"
    & skf18("3","4","6","3","8","7","1") = "7"
    & skf18("3","4","6","3","8","8","1") = "7"
    & skf18("3","4","6","3","8","9","1") = "8"
    & skf18("3","4","6","3","8","10","1") = "9"
    & skf18("3","4","6","3","9","1","1") = "8"
    & skf18("3","4","6","3","9","2","1") = "8"
    & skf18("3","4","6","3","9","3","1") = "8"
    & skf18("3","4","6","3","9","4","1") = "8"
    & skf18("3","4","6","3","9","5","1") = "8"
    & skf18("3","4","6","3","9","6","1") = "8"
    & skf18("3","4","6","3","9","7","1") = "8"
    & skf18("3","4","6","3","9","8","1") = "8"
    & skf18("3","4","6","3","9","9","1") = "8"
    & skf18("3","4","6","3","9","10","1") = "9"
    & skf18("3","4","6","3","10","1","1") = "9"
    & skf18("3","4","6","3","10","2","1") = "9"
    & skf18("3","4","6","3","10","3","1") = "9"
    & skf18("3","4","6","3","10","4","1") = "9"
    & skf18("3","4","6","3","10","5","1") = "9"
    & skf18("3","4","6","3","10","6","1") = "9"
    & skf18("3","4","6","3","10","7","1") = "9"
    & skf18("3","4","6","3","10","8","1") = "9"
    & skf18("3","4","6","3","10","9","1") = "9"
    & skf18("3","4","6","3","10","10","1") = "9"
    & skf18("3","4","6","4","1","1","1") = "5"
    & skf18("3","4","6","4","1","2","1") = "5"
    & skf18("3","4","6","4","1","3","1") = "5"
    & skf18("3","4","6","4","1","4","1") = "5"
    & skf18("3","4","6","4","1","5","1") = "5"
    & skf18("3","4","6","4","1","6","1") = "5"
    & skf18("3","4","6","4","1","7","1") = "6"
    & skf18("3","4","6","4","1","8","1") = "7"
    & skf18("3","4","6","4","1","9","1") = "8"
    & skf18("3","4","6","4","1","10","1") = "9"
    & skf18("3","4","6","4","2","1","1") = "5"
    & skf18("3","4","6","4","2","2","1") = "5"
    & skf18("3","4","6","4","2","3","1") = "5"
    & skf18("3","4","6","4","2","4","1") = "5"
    & skf18("3","4","6","4","2","5","1") = "5"
    & skf18("3","4","6","4","2","6","1") = "5"
    & skf18("3","4","6","4","2","7","1") = "6"
    & skf18("3","4","6","4","2","8","1") = "7"
    & skf18("3","4","6","4","2","9","1") = "8"
    & skf18("3","4","6","4","2","10","1") = "9"
    & skf18("3","4","6","4","3","1","1") = "5"
    & skf18("3","4","6","4","3","2","1") = "5"
    & skf18("3","4","6","4","3","3","1") = "5"
    & skf18("3","4","6","4","3","4","1") = "5"
    & skf18("3","4","6","4","3","5","1") = "5"
    & skf18("3","4","6","4","3","6","1") = "5"
    & skf18("3","4","6","4","3","7","1") = "6"
    & skf18("3","4","6","4","3","8","1") = "7"
    & skf18("3","4","6","4","3","9","1") = "8"
    & skf18("3","4","6","4","3","10","1") = "9"
    & skf18("3","4","6","4","4","1","1") = "5"
    & skf18("3","4","6","4","4","2","1") = "5"
    & skf18("3","4","6","4","4","3","1") = "5"
    & skf18("3","4","6","4","4","4","1") = "5"
    & skf18("3","4","6","4","4","5","1") = "5"
    & skf18("3","4","6","4","4","6","1") = "5"
    & skf18("3","4","6","4","4","7","1") = "6"
    & skf18("3","4","6","4","4","8","1") = "7"
    & skf18("3","4","6","4","4","9","1") = "8"
    & skf18("3","4","6","4","4","10","1") = "9"
    & skf18("3","4","6","4","5","1","1") = "5"
    & skf18("3","4","6","4","5","2","1") = "5"
    & skf18("3","4","6","4","5","3","1") = "5"
    & skf18("3","4","6","4","5","4","1") = "5"
    & skf18("3","4","6","4","5","5","1") = "5"
    & skf18("3","4","6","4","5","6","1") = "5"
    & skf18("3","4","6","4","5","7","1") = "6"
    & skf18("3","4","6","4","5","8","1") = "7"
    & skf18("3","4","6","4","5","9","1") = "8"
    & skf18("3","4","6","4","5","10","1") = "9"
    & skf18("3","4","6","4","6","1","1") = "5"
    & skf18("3","4","6","4","6","2","1") = "5"
    & skf18("3","4","6","4","6","3","1") = "5"
    & skf18("3","4","6","4","6","4","1") = "5"
    & skf18("3","4","6","4","6","5","1") = "5"
    & skf18("3","4","6","4","6","6","1") = "5"
    & skf18("3","4","6","4","6","7","1") = "6"
    & skf18("3","4","6","4","6","8","1") = "7"
    & skf18("3","4","6","4","6","9","1") = "8"
    & skf18("3","4","6","4","6","10","1") = "9"
    & skf18("3","4","6","4","7","1","1") = "6"
    & skf18("3","4","6","4","7","2","1") = "6"
    & skf18("3","4","6","4","7","3","1") = "6"
    & skf18("3","4","6","4","7","4","1") = "6"
    & skf18("3","4","6","4","7","5","1") = "6"
    & skf18("3","4","6","4","7","6","1") = "6"
    & skf18("3","4","6","4","7","7","1") = "6"
    & skf18("3","4","6","4","7","8","1") = "7"
    & skf18("3","4","6","4","7","9","1") = "8"
    & skf18("3","4","6","4","7","10","1") = "9"
    & skf18("3","4","6","4","8","1","1") = "7"
    & skf18("3","4","6","4","8","2","1") = "7"
    & skf18("3","4","6","4","8","3","1") = "7"
    & skf18("3","4","6","4","8","4","1") = "7"
    & skf18("3","4","6","4","8","5","1") = "7"
    & skf18("3","4","6","4","8","6","1") = "7"
    & skf18("3","4","6","4","8","7","1") = "7"
    & skf18("3","4","6","4","8","8","1") = "7"
    & skf18("3","4","6","4","8","9","1") = "8"
    & skf18("3","4","6","4","8","10","1") = "9"
    & skf18("3","4","6","4","9","1","1") = "8"
    & skf18("3","4","6","4","9","2","1") = "8"
    & skf18("3","4","6","4","9","3","1") = "8"
    & skf18("3","4","6","4","9","4","1") = "8"
    & skf18("3","4","6","4","9","5","1") = "8"
    & skf18("3","4","6","4","9","6","1") = "8"
    & skf18("3","4","6","4","9","7","1") = "8"
    & skf18("3","4","6","4","9","8","1") = "8"
    & skf18("3","4","6","4","9","9","1") = "8"
    & skf18("3","4","6","4","9","10","1") = "9"
    & skf18("3","4","6","4","10","1","1") = "9"
    & skf18("3","4","6","4","10","2","1") = "9"
    & skf18("3","4","6","4","10","3","1") = "9"
    & skf18("3","4","6","4","10","4","1") = "9"
    & skf18("3","4","6","4","10","5","1") = "9"
    & skf18("3","4","6","4","10","6","1") = "9"
    & skf18("3","4","6","4","10","7","1") = "9"
    & skf18("3","4","6","4","10","8","1") = "9"
    & skf18("3","4","6","4","10","9","1") = "9"
    & skf18("3","4","6","4","10","10","1") = "9"
    & skf18("3","4","6","5","1","1","1") = "5"
    & skf18("3","4","6","5","1","2","1") = "5"
    & skf18("3","4","6","5","1","3","1") = "5"
    & skf18("3","4","6","5","1","4","1") = "5"
    & skf18("3","4","6","5","1","5","1") = "5"
    & skf18("3","4","6","5","1","6","1") = "5"
    & skf18("3","4","6","5","1","7","1") = "6"
    & skf18("3","4","6","5","1","8","1") = "7"
    & skf18("3","4","6","5","1","9","1") = "8"
    & skf18("3","4","6","5","1","10","1") = "9"
    & skf18("3","4","6","5","2","1","1") = "5"
    & skf18("3","4","6","5","2","2","1") = "5"
    & skf18("3","4","6","5","2","3","1") = "5"
    & skf18("3","4","6","5","2","4","1") = "5"
    & skf18("3","4","6","5","2","5","1") = "5"
    & skf18("3","4","6","5","2","6","1") = "5"
    & skf18("3","4","6","5","2","7","1") = "6"
    & skf18("3","4","6","5","2","8","1") = "7"
    & skf18("3","4","6","5","2","9","1") = "8"
    & skf18("3","4","6","5","2","10","1") = "9"
    & skf18("3","4","6","5","3","1","1") = "5"
    & skf18("3","4","6","5","3","2","1") = "5"
    & skf18("3","4","6","5","3","3","1") = "5"
    & skf18("3","4","6","5","3","4","1") = "5"
    & skf18("3","4","6","5","3","5","1") = "5"
    & skf18("3","4","6","5","3","6","1") = "5"
    & skf18("3","4","6","5","3","7","1") = "6"
    & skf18("3","4","6","5","3","8","1") = "7"
    & skf18("3","4","6","5","3","9","1") = "8"
    & skf18("3","4","6","5","3","10","1") = "9"
    & skf18("3","4","6","5","4","1","1") = "5"
    & skf18("3","4","6","5","4","2","1") = "5"
    & skf18("3","4","6","5","4","3","1") = "5"
    & skf18("3","4","6","5","4","4","1") = "5"
    & skf18("3","4","6","5","4","5","1") = "5"
    & skf18("3","4","6","5","4","6","1") = "5"
    & skf18("3","4","6","5","4","7","1") = "6"
    & skf18("3","4","6","5","4","8","1") = "7"
    & skf18("3","4","6","5","4","9","1") = "8"
    & skf18("3","4","6","5","4","10","1") = "9"
    & skf18("3","4","6","5","5","1","1") = "5"
    & skf18("3","4","6","5","5","2","1") = "5"
    & skf18("3","4","6","5","5","3","1") = "5"
    & skf18("3","4","6","5","5","4","1") = "5"
    & skf18("3","4","6","5","5","5","1") = "5"
    & skf18("3","4","6","5","5","6","1") = "5"
    & skf18("3","4","6","5","5","7","1") = "6"
    & skf18("3","4","6","5","5","8","1") = "7"
    & skf18("3","4","6","5","5","9","1") = "8"
    & skf18("3","4","6","5","5","10","1") = "9"
    & skf18("3","4","6","5","6","1","1") = "5"
    & skf18("3","4","6","5","6","2","1") = "5"
    & skf18("3","4","6","5","6","3","1") = "5"
    & skf18("3","4","6","5","6","4","1") = "5"
    & skf18("3","4","6","5","6","5","1") = "5"
    & skf18("3","4","6","5","6","6","1") = "5"
    & skf18("3","4","6","5","6","7","1") = "6"
    & skf18("3","4","6","5","6","8","1") = "7"
    & skf18("3","4","6","5","6","9","1") = "8"
    & skf18("3","4","6","5","6","10","1") = "9"
    & skf18("3","4","6","5","7","1","1") = "6"
    & skf18("3","4","6","5","7","2","1") = "6"
    & skf18("3","4","6","5","7","3","1") = "6"
    & skf18("3","4","6","5","7","4","1") = "6"
    & skf18("3","4","6","5","7","5","1") = "6"
    & skf18("3","4","6","5","7","6","1") = "6"
    & skf18("3","4","6","5","7","7","1") = "6"
    & skf18("3","4","6","5","7","8","1") = "7"
    & skf18("3","4","6","5","7","9","1") = "8"
    & skf18("3","4","6","5","7","10","1") = "9"
    & skf18("3","4","6","5","8","1","1") = "7"
    & skf18("3","4","6","5","8","2","1") = "7"
    & skf18("3","4","6","5","8","3","1") = "7"
    & skf18("3","4","6","5","8","4","1") = "7"
    & skf18("3","4","6","5","8","5","1") = "7"
    & skf18("3","4","6","5","8","6","1") = "7"
    & skf18("3","4","6","5","8","7","1") = "7"
    & skf18("3","4","6","5","8","8","1") = "7"
    & skf18("3","4","6","5","8","9","1") = "8"
    & skf18("3","4","6","5","8","10","1") = "9"
    & skf18("3","4","6","5","9","1","1") = "8"
    & skf18("3","4","6","5","9","2","1") = "8"
    & skf18("3","4","6","5","9","3","1") = "8"
    & skf18("3","4","6","5","9","4","1") = "8"
    & skf18("3","4","6","5","9","5","1") = "8"
    & skf18("3","4","6","5","9","6","1") = "8"
    & skf18("3","4","6","5","9","7","1") = "8"
    & skf18("3","4","6","5","9","8","1") = "8"
    & skf18("3","4","6","5","9","9","1") = "8"
    & skf18("3","4","6","5","9","10","1") = "9"
    & skf18("3","4","6","5","10","1","1") = "9"
    & skf18("3","4","6","5","10","2","1") = "9"
    & skf18("3","4","6","5","10","3","1") = "9"
    & skf18("3","4","6","5","10","4","1") = "9"
    & skf18("3","4","6","5","10","5","1") = "9"
    & skf18("3","4","6","5","10","6","1") = "9"
    & skf18("3","4","6","5","10","7","1") = "9"
    & skf18("3","4","6","5","10","8","1") = "9"
    & skf18("3","4","6","5","10","9","1") = "9"
    & skf18("3","4","6","5","10","10","1") = "9"
    & skf18("3","4","6","6","1","1","1") = "5"
    & skf18("3","4","6","6","1","2","1") = "5"
    & skf18("3","4","6","6","1","3","1") = "5"
    & skf18("3","4","6","6","1","4","1") = "5"
    & skf18("3","4","6","6","1","5","1") = "5"
    & skf18("3","4","6","6","1","6","1") = "5"
    & skf18("3","4","6","6","1","7","1") = "6"
    & skf18("3","4","6","6","1","8","1") = "7"
    & skf18("3","4","6","6","1","9","1") = "8"
    & skf18("3","4","6","6","1","10","1") = "9"
    & skf18("3","4","6","6","2","1","1") = "5"
    & skf18("3","4","6","6","2","2","1") = "5"
    & skf18("3","4","6","6","2","3","1") = "5"
    & skf18("3","4","6","6","2","4","1") = "5"
    & skf18("3","4","6","6","2","5","1") = "5"
    & skf18("3","4","6","6","2","6","1") = "5"
    & skf18("3","4","6","6","2","7","1") = "6"
    & skf18("3","4","6","6","2","8","1") = "7"
    & skf18("3","4","6","6","2","9","1") = "8"
    & skf18("3","4","6","6","2","10","1") = "9"
    & skf18("3","4","6","6","3","1","1") = "5"
    & skf18("3","4","6","6","3","2","1") = "5"
    & skf18("3","4","6","6","3","3","1") = "5"
    & skf18("3","4","6","6","3","4","1") = "5"
    & skf18("3","4","6","6","3","5","1") = "5"
    & skf18("3","4","6","6","3","6","1") = "5"
    & skf18("3","4","6","6","3","7","1") = "6"
    & skf18("3","4","6","6","3","8","1") = "7"
    & skf18("3","4","6","6","3","9","1") = "8"
    & skf18("3","4","6","6","3","10","1") = "9"
    & skf18("3","4","6","6","4","1","1") = "5"
    & skf18("3","4","6","6","4","2","1") = "5"
    & skf18("3","4","6","6","4","3","1") = "5"
    & skf18("3","4","6","6","4","4","1") = "5"
    & skf18("3","4","6","6","4","5","1") = "5"
    & skf18("3","4","6","6","4","6","1") = "5"
    & skf18("3","4","6","6","4","7","1") = "6"
    & skf18("3","4","6","6","4","8","1") = "7"
    & skf18("3","4","6","6","4","9","1") = "8"
    & skf18("3","4","6","6","4","10","1") = "9"
    & skf18("3","4","6","6","5","1","1") = "5"
    & skf18("3","4","6","6","5","2","1") = "5"
    & skf18("3","4","6","6","5","3","1") = "5"
    & skf18("3","4","6","6","5","4","1") = "5"
    & skf18("3","4","6","6","5","5","1") = "5"
    & skf18("3","4","6","6","5","6","1") = "5"
    & skf18("3","4","6","6","5","7","1") = "6"
    & skf18("3","4","6","6","5","8","1") = "7"
    & skf18("3","4","6","6","5","9","1") = "8"
    & skf18("3","4","6","6","5","10","1") = "9"
    & skf18("3","4","6","6","6","1","1") = "5"
    & skf18("3","4","6","6","6","2","1") = "5"
    & skf18("3","4","6","6","6","3","1") = "5"
    & skf18("3","4","6","6","6","4","1") = "5"
    & skf18("3","4","6","6","6","5","1") = "5"
    & skf18("3","4","6","6","6","6","1") = "5"
    & skf18("3","4","6","6","6","7","1") = "6"
    & skf18("3","4","6","6","6","8","1") = "7"
    & skf18("3","4","6","6","6","9","1") = "8"
    & skf18("3","4","6","6","6","10","1") = "9"
    & skf18("3","4","6","6","7","1","1") = "6"
    & skf18("3","4","6","6","7","2","1") = "6"
    & skf18("3","4","6","6","7","3","1") = "6"
    & skf18("3","4","6","6","7","4","1") = "6"
    & skf18("3","4","6","6","7","5","1") = "6"
    & skf18("3","4","6","6","7","6","1") = "6"
    & skf18("3","4","6","6","7","7","1") = "6"
    & skf18("3","4","6","6","7","8","1") = "7"
    & skf18("3","4","6","6","7","9","1") = "8"
    & skf18("3","4","6","6","7","10","1") = "9"
    & skf18("3","4","6","6","8","1","1") = "7"
    & skf18("3","4","6","6","8","2","1") = "7"
    & skf18("3","4","6","6","8","3","1") = "7"
    & skf18("3","4","6","6","8","4","1") = "7"
    & skf18("3","4","6","6","8","5","1") = "7"
    & skf18("3","4","6","6","8","6","1") = "7"
    & skf18("3","4","6","6","8","7","1") = "7"
    & skf18("3","4","6","6","8","8","1") = "7"
    & skf18("3","4","6","6","8","9","1") = "8"
    & skf18("3","4","6","6","8","10","1") = "9"
    & skf18("3","4","6","6","9","1","1") = "8"
    & skf18("3","4","6","6","9","2","1") = "8"
    & skf18("3","4","6","6","9","3","1") = "8"
    & skf18("3","4","6","6","9","4","1") = "8"
    & skf18("3","4","6","6","9","5","1") = "8"
    & skf18("3","4","6","6","9","6","1") = "8"
    & skf18("3","4","6","6","9","7","1") = "8"
    & skf18("3","4","6","6","9","8","1") = "8"
    & skf18("3","4","6","6","9","9","1") = "8"
    & skf18("3","4","6","6","9","10","1") = "9"
    & skf18("3","4","6","6","10","1","1") = "9"
    & skf18("3","4","6","6","10","2","1") = "9"
    & skf18("3","4","6","6","10","3","1") = "9"
    & skf18("3","4","6","6","10","4","1") = "9"
    & skf18("3","4","6","6","10","5","1") = "9"
    & skf18("3","4","6","6","10","6","1") = "9"
    & skf18("3","4","6","6","10","7","1") = "9"
    & skf18("3","4","6","6","10","8","1") = "9"
    & skf18("3","4","6","6","10","9","1") = "9"
    & skf18("3","4","6","6","10","10","1") = "9"
    & skf18("3","4","6","7","1","1","1") = "6"
    & skf18("3","4","6","7","1","2","1") = "6"
    & skf18("3","4","6","7","1","3","1") = "6"
    & skf18("3","4","6","7","1","4","1") = "6"
    & skf18("3","4","6","7","1","5","1") = "6"
    & skf18("3","4","6","7","1","6","1") = "6"
    & skf18("3","4","6","7","1","7","1") = "6"
    & skf18("3","4","6","7","1","8","1") = "7"
    & skf18("3","4","6","7","1","9","1") = "8"
    & skf18("3","4","6","7","1","10","1") = "9"
    & skf18("3","4","6","7","2","1","1") = "6"
    & skf18("3","4","6","7","2","2","1") = "6"
    & skf18("3","4","6","7","2","3","1") = "6"
    & skf18("3","4","6","7","2","4","1") = "6"
    & skf18("3","4","6","7","2","5","1") = "6"
    & skf18("3","4","6","7","2","6","1") = "6"
    & skf18("3","4","6","7","2","7","1") = "6"
    & skf18("3","4","6","7","2","8","1") = "7"
    & skf18("3","4","6","7","2","9","1") = "8"
    & skf18("3","4","6","7","2","10","1") = "9"
    & skf18("3","4","6","7","3","1","1") = "6"
    & skf18("3","4","6","7","3","2","1") = "6"
    & skf18("3","4","6","7","3","3","1") = "6"
    & skf18("3","4","6","7","3","4","1") = "6"
    & skf18("3","4","6","7","3","5","1") = "6"
    & skf18("3","4","6","7","3","6","1") = "6"
    & skf18("3","4","6","7","3","7","1") = "6"
    & skf18("3","4","6","7","3","8","1") = "7"
    & skf18("3","4","6","7","3","9","1") = "8"
    & skf18("3","4","6","7","3","10","1") = "9"
    & skf18("3","4","6","7","4","1","1") = "6"
    & skf18("3","4","6","7","4","2","1") = "6"
    & skf18("3","4","6","7","4","3","1") = "6"
    & skf18("3","4","6","7","4","4","1") = "6"
    & skf18("3","4","6","7","4","5","1") = "6"
    & skf18("3","4","6","7","4","6","1") = "6"
    & skf18("3","4","6","7","4","7","1") = "6"
    & skf18("3","4","6","7","4","8","1") = "7"
    & skf18("3","4","6","7","4","9","1") = "8"
    & skf18("3","4","6","7","4","10","1") = "9"
    & skf18("3","4","6","7","5","1","1") = "6"
    & skf18("3","4","6","7","5","2","1") = "6"
    & skf18("3","4","6","7","5","3","1") = "6"
    & skf18("3","4","6","7","5","4","1") = "6"
    & skf18("3","4","6","7","5","5","1") = "6"
    & skf18("3","4","6","7","5","6","1") = "6"
    & skf18("3","4","6","7","5","7","1") = "6"
    & skf18("3","4","6","7","5","8","1") = "7"
    & skf18("3","4","6","7","5","9","1") = "8"
    & skf18("3","4","6","7","5","10","1") = "9"
    & skf18("3","4","6","7","6","1","1") = "6"
    & skf18("3","4","6","7","6","2","1") = "6"
    & skf18("3","4","6","7","6","3","1") = "6"
    & skf18("3","4","6","7","6","4","1") = "6"
    & skf18("3","4","6","7","6","5","1") = "6"
    & skf18("3","4","6","7","6","6","1") = "6"
    & skf18("3","4","6","7","6","7","1") = "6"
    & skf18("3","4","6","7","6","8","1") = "7"
    & skf18("3","4","6","7","6","9","1") = "8"
    & skf18("3","4","6","7","6","10","1") = "9"
    & skf18("3","4","6","7","7","1","1") = "6"
    & skf18("3","4","6","7","7","2","1") = "6"
    & skf18("3","4","6","7","7","3","1") = "6"
    & skf18("3","4","6","7","7","4","1") = "6"
    & skf18("3","4","6","7","7","5","1") = "6"
    & skf18("3","4","6","7","7","6","1") = "6"
    & skf18("3","4","6","7","7","7","1") = "6"
    & skf18("3","4","6","7","7","8","1") = "7"
    & skf18("3","4","6","7","7","9","1") = "8"
    & skf18("3","4","6","7","7","10","1") = "9"
    & skf18("3","4","6","7","8","1","1") = "7"
    & skf18("3","4","6","7","8","2","1") = "7"
    & skf18("3","4","6","7","8","3","1") = "7"
    & skf18("3","4","6","7","8","4","1") = "7"
    & skf18("3","4","6","7","8","5","1") = "7"
    & skf18("3","4","6","7","8","6","1") = "7"
    & skf18("3","4","6","7","8","7","1") = "7"
    & skf18("3","4","6","7","8","8","1") = "7"
    & skf18("3","4","6","7","8","9","1") = "8"
    & skf18("3","4","6","7","8","10","1") = "9"
    & skf18("3","4","6","7","9","1","1") = "8"
    & skf18("3","4","6","7","9","2","1") = "8"
    & skf18("3","4","6","7","9","3","1") = "8"
    & skf18("3","4","6","7","9","4","1") = "8"
    & skf18("3","4","6","7","9","5","1") = "8"
    & skf18("3","4","6","7","9","6","1") = "8"
    & skf18("3","4","6","7","9","7","1") = "8"
    & skf18("3","4","6","7","9","8","1") = "8"
    & skf18("3","4","6","7","9","9","1") = "8"
    & skf18("3","4","6","7","9","10","1") = "9"
    & skf18("3","4","6","7","10","1","1") = "9"
    & skf18("3","4","6","7","10","2","1") = "9"
    & skf18("3","4","6","7","10","3","1") = "9"
    & skf18("3","4","6","7","10","4","1") = "9"
    & skf18("3","4","6","7","10","5","1") = "9"
    & skf18("3","4","6","7","10","6","1") = "9"
    & skf18("3","4","6","7","10","7","1") = "9"
    & skf18("3","4","6","7","10","8","1") = "9"
    & skf18("3","4","6","7","10","9","1") = "9"
    & skf18("3","4","6","7","10","10","1") = "9"
    & skf18("3","4","6","8","1","1","1") = "7"
    & skf18("3","4","6","8","1","2","1") = "7"
    & skf18("3","4","6","8","1","3","1") = "7"
    & skf18("3","4","6","8","1","4","1") = "7"
    & skf18("3","4","6","8","1","5","1") = "7"
    & skf18("3","4","6","8","1","6","1") = "7"
    & skf18("3","4","6","8","1","7","1") = "7"
    & skf18("3","4","6","8","1","8","1") = "7"
    & skf18("3","4","6","8","1","9","1") = "8"
    & skf18("3","4","6","8","1","10","1") = "9"
    & skf18("3","4","6","8","2","1","1") = "7"
    & skf18("3","4","6","8","2","2","1") = "7"
    & skf18("3","4","6","8","2","3","1") = "7"
    & skf18("3","4","6","8","2","4","1") = "7"
    & skf18("3","4","6","8","2","5","1") = "7"
    & skf18("3","4","6","8","2","6","1") = "7"
    & skf18("3","4","6","8","2","7","1") = "7"
    & skf18("3","4","6","8","2","8","1") = "7"
    & skf18("3","4","6","8","2","9","1") = "8"
    & skf18("3","4","6","8","2","10","1") = "9"
    & skf18("3","4","6","8","3","1","1") = "7"
    & skf18("3","4","6","8","3","2","1") = "7"
    & skf18("3","4","6","8","3","3","1") = "7"
    & skf18("3","4","6","8","3","4","1") = "7"
    & skf18("3","4","6","8","3","5","1") = "7"
    & skf18("3","4","6","8","3","6","1") = "7"
    & skf18("3","4","6","8","3","7","1") = "7"
    & skf18("3","4","6","8","3","8","1") = "7"
    & skf18("3","4","6","8","3","9","1") = "8"
    & skf18("3","4","6","8","3","10","1") = "9"
    & skf18("3","4","6","8","4","1","1") = "7"
    & skf18("3","4","6","8","4","2","1") = "7"
    & skf18("3","4","6","8","4","3","1") = "7"
    & skf18("3","4","6","8","4","4","1") = "7"
    & skf18("3","4","6","8","4","5","1") = "7"
    & skf18("3","4","6","8","4","6","1") = "7"
    & skf18("3","4","6","8","4","7","1") = "7"
    & skf18("3","4","6","8","4","8","1") = "7"
    & skf18("3","4","6","8","4","9","1") = "8"
    & skf18("3","4","6","8","4","10","1") = "9"
    & skf18("3","4","6","8","5","1","1") = "7"
    & skf18("3","4","6","8","5","2","1") = "7"
    & skf18("3","4","6","8","5","3","1") = "7"
    & skf18("3","4","6","8","5","4","1") = "7"
    & skf18("3","4","6","8","5","5","1") = "7"
    & skf18("3","4","6","8","5","6","1") = "7"
    & skf18("3","4","6","8","5","7","1") = "7"
    & skf18("3","4","6","8","5","8","1") = "7"
    & skf18("3","4","6","8","5","9","1") = "8"
    & skf18("3","4","6","8","5","10","1") = "9"
    & skf18("3","4","6","8","6","1","1") = "7"
    & skf18("3","4","6","8","6","2","1") = "7"
    & skf18("3","4","6","8","6","3","1") = "7"
    & skf18("3","4","6","8","6","4","1") = "7"
    & skf18("3","4","6","8","6","5","1") = "7"
    & skf18("3","4","6","8","6","6","1") = "7"
    & skf18("3","4","6","8","6","7","1") = "7"
    & skf18("3","4","6","8","6","8","1") = "7"
    & skf18("3","4","6","8","6","9","1") = "8"
    & skf18("3","4","6","8","6","10","1") = "9"
    & skf18("3","4","6","8","7","1","1") = "7"
    & skf18("3","4","6","8","7","2","1") = "7"
    & skf18("3","4","6","8","7","3","1") = "7"
    & skf18("3","4","6","8","7","4","1") = "7"
    & skf18("3","4","6","8","7","5","1") = "7"
    & skf18("3","4","6","8","7","6","1") = "7"
    & skf18("3","4","6","8","7","7","1") = "7"
    & skf18("3","4","6","8","7","8","1") = "7"
    & skf18("3","4","6","8","7","9","1") = "8"
    & skf18("3","4","6","8","7","10","1") = "9"
    & skf18("3","4","6","8","8","1","1") = "7"
    & skf18("3","4","6","8","8","2","1") = "7"
    & skf18("3","4","6","8","8","3","1") = "7"
    & skf18("3","4","6","8","8","4","1") = "7"
    & skf18("3","4","6","8","8","5","1") = "7"
    & skf18("3","4","6","8","8","6","1") = "7"
    & skf18("3","4","6","8","8","7","1") = "7"
    & skf18("3","4","6","8","8","8","1") = "7"
    & skf18("3","4","6","8","8","9","1") = "8"
    & skf18("3","4","6","8","8","10","1") = "9"
    & skf18("3","4","6","8","9","1","1") = "8"
    & skf18("3","4","6","8","9","2","1") = "8"
    & skf18("3","4","6","8","9","3","1") = "8"
    & skf18("3","4","6","8","9","4","1") = "8"
    & skf18("3","4","6","8","9","5","1") = "8"
    & skf18("3","4","6","8","9","6","1") = "8"
    & skf18("3","4","6","8","9","7","1") = "8"
    & skf18("3","4","6","8","9","8","1") = "8"
    & skf18("3","4","6","8","9","9","1") = "8"
    & skf18("3","4","6","8","9","10","1") = "9"
    & skf18("3","4","6","8","10","1","1") = "9"
    & skf18("3","4","6","8","10","2","1") = "9"
    & skf18("3","4","6","8","10","3","1") = "9"
    & skf18("3","4","6","8","10","4","1") = "9"
    & skf18("3","4","6","8","10","5","1") = "9"
    & skf18("3","4","6","8","10","6","1") = "9"
    & skf18("3","4","6","8","10","7","1") = "9"
    & skf18("3","4","6","8","10","8","1") = "9"
    & skf18("3","4","6","8","10","9","1") = "9"
    & skf18("3","4","6","8","10","10","1") = "9"
    & skf18("3","4","6","9","1","1","1") = "8"
    & skf18("3","4","6","9","1","2","1") = "8"
    & skf18("3","4","6","9","1","3","1") = "8"
    & skf18("3","4","6","9","1","4","1") = "8"
    & skf18("3","4","6","9","1","5","1") = "8"
    & skf18("3","4","6","9","1","6","1") = "8"
    & skf18("3","4","6","9","1","7","1") = "8"
    & skf18("3","4","6","9","1","8","1") = "8"
    & skf18("3","4","6","9","1","9","1") = "8"
    & skf18("3","4","6","9","1","10","1") = "9"
    & skf18("3","4","6","9","2","1","1") = "8"
    & skf18("3","4","6","9","2","2","1") = "8"
    & skf18("3","4","6","9","2","3","1") = "8"
    & skf18("3","4","6","9","2","4","1") = "8"
    & skf18("3","4","6","9","2","5","1") = "8"
    & skf18("3","4","6","9","2","6","1") = "8"
    & skf18("3","4","6","9","2","7","1") = "8"
    & skf18("3","4","6","9","2","8","1") = "8"
    & skf18("3","4","6","9","2","9","1") = "8"
    & skf18("3","4","6","9","2","10","1") = "9"
    & skf18("3","4","6","9","3","1","1") = "8"
    & skf18("3","4","6","9","3","2","1") = "8"
    & skf18("3","4","6","9","3","3","1") = "8"
    & skf18("3","4","6","9","3","4","1") = "8"
    & skf18("3","4","6","9","3","5","1") = "8"
    & skf18("3","4","6","9","3","6","1") = "8"
    & skf18("3","4","6","9","3","7","1") = "8"
    & skf18("3","4","6","9","3","8","1") = "8"
    & skf18("3","4","6","9","3","9","1") = "8"
    & skf18("3","4","6","9","3","10","1") = "9"
    & skf18("3","4","6","9","4","1","1") = "8"
    & skf18("3","4","6","9","4","2","1") = "8"
    & skf18("3","4","6","9","4","3","1") = "8"
    & skf18("3","4","6","9","4","4","1") = "8"
    & skf18("3","4","6","9","4","5","1") = "8"
    & skf18("3","4","6","9","4","6","1") = "8"
    & skf18("3","4","6","9","4","7","1") = "8"
    & skf18("3","4","6","9","4","8","1") = "8"
    & skf18("3","4","6","9","4","9","1") = "8"
    & skf18("3","4","6","9","4","10","1") = "9"
    & skf18("3","4","6","9","5","1","1") = "8"
    & skf18("3","4","6","9","5","2","1") = "8"
    & skf18("3","4","6","9","5","3","1") = "8"
    & skf18("3","4","6","9","5","4","1") = "8"
    & skf18("3","4","6","9","5","5","1") = "8"
    & skf18("3","4","6","9","5","6","1") = "8"
    & skf18("3","4","6","9","5","7","1") = "8"
    & skf18("3","4","6","9","5","8","1") = "8"
    & skf18("3","4","6","9","5","9","1") = "8"
    & skf18("3","4","6","9","5","10","1") = "9"
    & skf18("3","4","6","9","6","1","1") = "8"
    & skf18("3","4","6","9","6","2","1") = "8"
    & skf18("3","4","6","9","6","3","1") = "8"
    & skf18("3","4","6","9","6","4","1") = "8"
    & skf18("3","4","6","9","6","5","1") = "8"
    & skf18("3","4","6","9","6","6","1") = "8"
    & skf18("3","4","6","9","6","7","1") = "8"
    & skf18("3","4","6","9","6","8","1") = "8"
    & skf18("3","4","6","9","6","9","1") = "8"
    & skf18("3","4","6","9","6","10","1") = "9"
    & skf18("3","4","6","9","7","1","1") = "8"
    & skf18("3","4","6","9","7","2","1") = "8"
    & skf18("3","4","6","9","7","3","1") = "8"
    & skf18("3","4","6","9","7","4","1") = "8"
    & skf18("3","4","6","9","7","5","1") = "8"
    & skf18("3","4","6","9","7","6","1") = "8"
    & skf18("3","4","6","9","7","7","1") = "8"
    & skf18("3","4","6","9","7","8","1") = "8"
    & skf18("3","4","6","9","7","9","1") = "8"
    & skf18("3","4","6","9","7","10","1") = "9"
    & skf18("3","4","6","9","8","1","1") = "8"
    & skf18("3","4","6","9","8","2","1") = "8"
    & skf18("3","4","6","9","8","3","1") = "8"
    & skf18("3","4","6","9","8","4","1") = "8"
    & skf18("3","4","6","9","8","5","1") = "8"
    & skf18("3","4","6","9","8","6","1") = "8"
    & skf18("3","4","6","9","8","7","1") = "8"
    & skf18("3","4","6","9","8","8","1") = "8"
    & skf18("3","4","6","9","8","9","1") = "8"
    & skf18("3","4","6","9","8","10","1") = "9"
    & skf18("3","4","6","9","9","1","1") = "8"
    & skf18("3","4","6","9","9","2","1") = "8"
    & skf18("3","4","6","9","9","3","1") = "8"
    & skf18("3","4","6","9","9","4","1") = "8"
    & skf18("3","4","6","9","9","5","1") = "8"
    & skf18("3","4","6","9","9","6","1") = "8"
    & skf18("3","4","6","9","9","7","1") = "8"
    & skf18("3","4","6","9","9","8","1") = "8"
    & skf18("3","4","6","9","9","9","1") = "8"
    & skf18("3","4","6","9","9","10","1") = "9"
    & skf18("3","4","6","9","10","1","1") = "9"
    & skf18("3","4","6","9","10","2","1") = "9"
    & skf18("3","4","6","9","10","3","1") = "9"
    & skf18("3","4","6","9","10","4","1") = "9"
    & skf18("3","4","6","9","10","5","1") = "9"
    & skf18("3","4","6","9","10","6","1") = "9"
    & skf18("3","4","6","9","10","7","1") = "9"
    & skf18("3","4","6","9","10","8","1") = "9"
    & skf18("3","4","6","9","10","9","1") = "9"
    & skf18("3","4","6","9","10","10","1") = "9"
    & skf18("3","4","6","10","1","1","1") = "9"
    & skf18("3","4","6","10","1","2","1") = "9"
    & skf18("3","4","6","10","1","3","1") = "9"
    & skf18("3","4","6","10","1","4","1") = "9"
    & skf18("3","4","6","10","1","5","1") = "9"
    & skf18("3","4","6","10","1","6","1") = "9"
    & skf18("3","4","6","10","1","7","1") = "9"
    & skf18("3","4","6","10","1","8","1") = "9"
    & skf18("3","4","6","10","1","9","1") = "9"
    & skf18("3","4","6","10","1","10","1") = "9"
    & skf18("3","4","6","10","2","1","1") = "9"
    & skf18("3","4","6","10","2","2","1") = "9"
    & skf18("3","4","6","10","2","3","1") = "9"
    & skf18("3","4","6","10","2","4","1") = "9"
    & skf18("3","4","6","10","2","5","1") = "9"
    & skf18("3","4","6","10","2","6","1") = "9"
    & skf18("3","4","6","10","2","7","1") = "9"
    & skf18("3","4","6","10","2","8","1") = "9"
    & skf18("3","4","6","10","2","9","1") = "9"
    & skf18("3","4","6","10","2","10","1") = "9"
    & skf18("3","4","6","10","3","1","1") = "9"
    & skf18("3","4","6","10","3","2","1") = "9"
    & skf18("3","4","6","10","3","3","1") = "9"
    & skf18("3","4","6","10","3","4","1") = "9"
    & skf18("3","4","6","10","3","5","1") = "9"
    & skf18("3","4","6","10","3","6","1") = "9"
    & skf18("3","4","6","10","3","7","1") = "9"
    & skf18("3","4","6","10","3","8","1") = "9"
    & skf18("3","4","6","10","3","9","1") = "9"
    & skf18("3","4","6","10","3","10","1") = "9"
    & skf18("3","4","6","10","4","1","1") = "9"
    & skf18("3","4","6","10","4","2","1") = "9"
    & skf18("3","4","6","10","4","3","1") = "9"
    & skf18("3","4","6","10","4","4","1") = "9"
    & skf18("3","4","6","10","4","5","1") = "9"
    & skf18("3","4","6","10","4","6","1") = "9"
    & skf18("3","4","6","10","4","7","1") = "9"
    & skf18("3","4","6","10","4","8","1") = "9"
    & skf18("3","4","6","10","4","9","1") = "9"
    & skf18("3","4","6","10","4","10","1") = "9"
    & skf18("3","4","6","10","5","1","1") = "9"
    & skf18("3","4","6","10","5","2","1") = "9"
    & skf18("3","4","6","10","5","3","1") = "9"
    & skf18("3","4","6","10","5","4","1") = "9"
    & skf18("3","4","6","10","5","5","1") = "9"
    & skf18("3","4","6","10","5","6","1") = "9"
    & skf18("3","4","6","10","5","7","1") = "9"
    & skf18("3","4","6","10","5","8","1") = "9"
    & skf18("3","4","6","10","5","9","1") = "9"
    & skf18("3","4","6","10","5","10","1") = "9"
    & skf18("3","4","6","10","6","1","1") = "9"
    & skf18("3","4","6","10","6","2","1") = "9"
    & skf18("3","4","6","10","6","3","1") = "9"
    & skf18("3","4","6","10","6","4","1") = "9"
    & skf18("3","4","6","10","6","5","1") = "9"
    & skf18("3","4","6","10","6","6","1") = "9"
    & skf18("3","4","6","10","6","7","1") = "9"
    & skf18("3","4","6","10","6","8","1") = "9"
    & skf18("3","4","6","10","6","9","1") = "9"
    & skf18("3","4","6","10","6","10","1") = "9"
    & skf18("3","4","6","10","7","1","1") = "9"
    & skf18("3","4","6","10","7","2","1") = "9"
    & skf18("3","4","6","10","7","3","1") = "9"
    & skf18("3","4","6","10","7","4","1") = "9"
    & skf18("3","4","6","10","7","5","1") = "9"
    & skf18("3","4","6","10","7","6","1") = "9"
    & skf18("3","4","6","10","7","7","1") = "9"
    & skf18("3","4","6","10","7","8","1") = "9"
    & skf18("3","4","6","10","7","9","1") = "9"
    & skf18("3","4","6","10","7","10","1") = "9"
    & skf18("3","4","6","10","8","1","1") = "9"
    & skf18("3","4","6","10","8","2","1") = "9"
    & skf18("3","4","6","10","8","3","1") = "9"
    & skf18("3","4","6","10","8","4","1") = "9"
    & skf18("3","4","6","10","8","5","1") = "9"
    & skf18("3","4","6","10","8","6","1") = "9"
    & skf18("3","4","6","10","8","7","1") = "9"
    & skf18("3","4","6","10","8","8","1") = "9"
    & skf18("3","4","6","10","8","9","1") = "9"
    & skf18("3","4","6","10","8","10","1") = "9"
    & skf18("3","4","6","10","9","1","1") = "9"
    & skf18("3","4","6","10","9","2","1") = "9"
    & skf18("3","4","6","10","9","3","1") = "9"
    & skf18("3","4","6","10","9","4","1") = "9"
    & skf18("3","4","6","10","9","5","1") = "9"
    & skf18("3","4","6","10","9","6","1") = "9"
    & skf18("3","4","6","10","9","7","1") = "9"
    & skf18("3","4","6","10","9","8","1") = "9"
    & skf18("3","4","6","10","9","9","1") = "9"
    & skf18("3","4","6","10","9","10","1") = "9"
    & skf18("3","4","6","10","10","1","1") = "9"
    & skf18("3","4","6","10","10","2","1") = "9"
    & skf18("3","4","6","10","10","3","1") = "9"
    & skf18("3","4","6","10","10","4","1") = "9"
    & skf18("3","4","6","10","10","5","1") = "9"
    & skf18("3","4","6","10","10","6","1") = "9"
    & skf18("3","4","6","10","10","7","1") = "9"
    & skf18("3","4","6","10","10","8","1") = "9"
    & skf18("3","4","6","10","10","9","1") = "9"
    & skf18("3","4","6","10","10","10","1") = "9"
    & skf18("3","4","7","1","1","1","1") = "6"
    & skf18("3","4","7","1","1","2","1") = "6"
    & skf18("3","4","7","1","1","3","1") = "6"
    & skf18("3","4","7","1","1","4","1") = "6"
    & skf18("3","4","7","1","1","5","1") = "6"
    & skf18("3","4","7","1","1","6","1") = "6"
    & skf18("3","4","7","1","1","7","1") = "6"
    & skf18("3","4","7","1","1","8","1") = "7"
    & skf18("3","4","7","1","1","9","1") = "8"
    & skf18("3","4","7","1","1","10","1") = "9"
    & skf18("3","4","7","1","2","1","1") = "6"
    & skf18("3","4","7","1","2","2","1") = "6"
    & skf18("3","4","7","1","2","3","1") = "6"
    & skf18("3","4","7","1","2","4","1") = "6"
    & skf18("3","4","7","1","2","5","1") = "6"
    & skf18("3","4","7","1","2","6","1") = "6"
    & skf18("3","4","7","1","2","7","1") = "6"
    & skf18("3","4","7","1","2","8","1") = "7"
    & skf18("3","4","7","1","2","9","1") = "8"
    & skf18("3","4","7","1","2","10","1") = "9"
    & skf18("3","4","7","1","3","1","1") = "6"
    & skf18("3","4","7","1","3","2","1") = "6"
    & skf18("3","4","7","1","3","3","1") = "6"
    & skf18("3","4","7","1","3","4","1") = "6"
    & skf18("3","4","7","1","3","5","1") = "6"
    & skf18("3","4","7","1","3","6","1") = "6"
    & skf18("3","4","7","1","3","7","1") = "6"
    & skf18("3","4","7","1","3","8","1") = "7"
    & skf18("3","4","7","1","3","9","1") = "8"
    & skf18("3","4","7","1","3","10","1") = "9"
    & skf18("3","4","7","1","4","1","1") = "6"
    & skf18("3","4","7","1","4","2","1") = "6"
    & skf18("3","4","7","1","4","3","1") = "6"
    & skf18("3","4","7","1","4","4","1") = "6"
    & skf18("3","4","7","1","4","5","1") = "6"
    & skf18("3","4","7","1","4","6","1") = "6"
    & skf18("3","4","7","1","4","7","1") = "6"
    & skf18("3","4","7","1","4","8","1") = "7"
    & skf18("3","4","7","1","4","9","1") = "8"
    & skf18("3","4","7","1","4","10","1") = "9"
    & skf18("3","4","7","1","5","1","1") = "6"
    & skf18("3","4","7","1","5","2","1") = "6"
    & skf18("3","4","7","1","5","3","1") = "6"
    & skf18("3","4","7","1","5","4","1") = "6"
    & skf18("3","4","7","1","5","5","1") = "6"
    & skf18("3","4","7","1","5","6","1") = "6"
    & skf18("3","4","7","1","5","7","1") = "6"
    & skf18("3","4","7","1","5","8","1") = "7"
    & skf18("3","4","7","1","5","9","1") = "8"
    & skf18("3","4","7","1","5","10","1") = "9"
    & skf18("3","4","7","1","6","1","1") = "6"
    & skf18("3","4","7","1","6","2","1") = "6"
    & skf18("3","4","7","1","6","3","1") = "6"
    & skf18("3","4","7","1","6","4","1") = "6"
    & skf18("3","4","7","1","6","5","1") = "6"
    & skf18("3","4","7","1","6","6","1") = "6"
    & skf18("3","4","7","1","6","7","1") = "6"
    & skf18("3","4","7","1","6","8","1") = "7"
    & skf18("3","4","7","1","6","9","1") = "8"
    & skf18("3","4","7","1","6","10","1") = "9"
    & skf18("3","4","7","1","7","1","1") = "6"
    & skf18("3","4","7","1","7","2","1") = "6"
    & skf18("3","4","7","1","7","3","1") = "6"
    & skf18("3","4","7","1","7","4","1") = "6"
    & skf18("3","4","7","1","7","5","1") = "6"
    & skf18("3","4","7","1","7","6","1") = "6"
    & skf18("3","4","7","1","7","7","1") = "6"
    & skf18("3","4","7","1","7","8","1") = "7"
    & skf18("3","4","7","1","7","9","1") = "8"
    & skf18("3","4","7","1","7","10","1") = "9"
    & skf18("3","4","7","1","8","1","1") = "7"
    & skf18("3","4","7","1","8","2","1") = "7"
    & skf18("3","4","7","1","8","3","1") = "7"
    & skf18("3","4","7","1","8","4","1") = "7"
    & skf18("3","4","7","1","8","5","1") = "7"
    & skf18("3","4","7","1","8","6","1") = "7"
    & skf18("3","4","7","1","8","7","1") = "7"
    & skf18("3","4","7","1","8","8","1") = "7"
    & skf18("3","4","7","1","8","9","1") = "8"
    & skf18("3","4","7","1","8","10","1") = "9"
    & skf18("3","4","7","1","9","1","1") = "8"
    & skf18("3","4","7","1","9","2","1") = "8"
    & skf18("3","4","7","1","9","3","1") = "8"
    & skf18("3","4","7","1","9","4","1") = "8"
    & skf18("3","4","7","1","9","5","1") = "8"
    & skf18("3","4","7","1","9","6","1") = "8"
    & skf18("3","4","7","1","9","7","1") = "8"
    & skf18("3","4","7","1","9","8","1") = "8"
    & skf18("3","4","7","1","9","9","1") = "8"
    & skf18("3","4","7","1","9","10","1") = "9"
    & skf18("3","4","7","1","10","1","1") = "9"
    & skf18("3","4","7","1","10","2","1") = "9"
    & skf18("3","4","7","1","10","3","1") = "9"
    & skf18("3","4","7","1","10","4","1") = "9"
    & skf18("3","4","7","1","10","5","1") = "9"
    & skf18("3","4","7","1","10","6","1") = "9"
    & skf18("3","4","7","1","10","7","1") = "9"
    & skf18("3","4","7","1","10","8","1") = "9"
    & skf18("3","4","7","1","10","9","1") = "9"
    & skf18("3","4","7","1","10","10","1") = "9"
    & skf18("3","4","7","2","1","1","1") = "6"
    & skf18("3","4","7","2","1","2","1") = "6"
    & skf18("3","4","7","2","1","3","1") = "6"
    & skf18("3","4","7","2","1","4","1") = "6"
    & skf18("3","4","7","2","1","5","1") = "6"
    & skf18("3","4","7","2","1","6","1") = "6"
    & skf18("3","4","7","2","1","7","1") = "6"
    & skf18("3","4","7","2","1","8","1") = "7"
    & skf18("3","4","7","2","1","9","1") = "8"
    & skf18("3","4","7","2","1","10","1") = "9"
    & skf18("3","4","7","2","2","1","1") = "6"
    & skf18("3","4","7","2","2","2","1") = "6"
    & skf18("3","4","7","2","2","3","1") = "6"
    & skf18("3","4","7","2","2","4","1") = "6"
    & skf18("3","4","7","2","2","5","1") = "6"
    & skf18("3","4","7","2","2","6","1") = "6"
    & skf18("3","4","7","2","2","7","1") = "6"
    & skf18("3","4","7","2","2","8","1") = "7"
    & skf18("3","4","7","2","2","9","1") = "8"
    & skf18("3","4","7","2","2","10","1") = "9"
    & skf18("3","4","7","2","3","1","1") = "6"
    & skf18("3","4","7","2","3","2","1") = "6"
    & skf18("3","4","7","2","3","3","1") = "6"
    & skf18("3","4","7","2","3","4","1") = "6"
    & skf18("3","4","7","2","3","5","1") = "6"
    & skf18("3","4","7","2","3","6","1") = "6"
    & skf18("3","4","7","2","3","7","1") = "6"
    & skf18("3","4","7","2","3","8","1") = "7"
    & skf18("3","4","7","2","3","9","1") = "8"
    & skf18("3","4","7","2","3","10","1") = "9"
    & skf18("3","4","7","2","4","1","1") = "6"
    & skf18("3","4","7","2","4","2","1") = "6"
    & skf18("3","4","7","2","4","3","1") = "6"
    & skf18("3","4","7","2","4","4","1") = "6"
    & skf18("3","4","7","2","4","5","1") = "6"
    & skf18("3","4","7","2","4","6","1") = "6"
    & skf18("3","4","7","2","4","7","1") = "6"
    & skf18("3","4","7","2","4","8","1") = "7"
    & skf18("3","4","7","2","4","9","1") = "8"
    & skf18("3","4","7","2","4","10","1") = "9"
    & skf18("3","4","7","2","5","1","1") = "6"
    & skf18("3","4","7","2","5","2","1") = "6"
    & skf18("3","4","7","2","5","3","1") = "6"
    & skf18("3","4","7","2","5","4","1") = "6"
    & skf18("3","4","7","2","5","5","1") = "6"
    & skf18("3","4","7","2","5","6","1") = "6"
    & skf18("3","4","7","2","5","7","1") = "6"
    & skf18("3","4","7","2","5","8","1") = "7"
    & skf18("3","4","7","2","5","9","1") = "8"
    & skf18("3","4","7","2","5","10","1") = "9"
    & skf18("3","4","7","2","6","1","1") = "6"
    & skf18("3","4","7","2","6","2","1") = "6"
    & skf18("3","4","7","2","6","3","1") = "6"
    & skf18("3","4","7","2","6","4","1") = "6"
    & skf18("3","4","7","2","6","5","1") = "6"
    & skf18("3","4","7","2","6","6","1") = "6"
    & skf18("3","4","7","2","6","7","1") = "6"
    & skf18("3","4","7","2","6","8","1") = "7"
    & skf18("3","4","7","2","6","9","1") = "8"
    & skf18("3","4","7","2","6","10","1") = "9"
    & skf18("3","4","7","2","7","1","1") = "6"
    & skf18("3","4","7","2","7","2","1") = "6"
    & skf18("3","4","7","2","7","3","1") = "6"
    & skf18("3","4","7","2","7","4","1") = "6"
    & skf18("3","4","7","2","7","5","1") = "6"
    & skf18("3","4","7","2","7","6","1") = "6"
    & skf18("3","4","7","2","7","7","1") = "6"
    & skf18("3","4","7","2","7","8","1") = "7"
    & skf18("3","4","7","2","7","9","1") = "8"
    & skf18("3","4","7","2","7","10","1") = "9"
    & skf18("3","4","7","2","8","1","1") = "7"
    & skf18("3","4","7","2","8","2","1") = "7"
    & skf18("3","4","7","2","8","3","1") = "7"
    & skf18("3","4","7","2","8","4","1") = "7"
    & skf18("3","4","7","2","8","5","1") = "7"
    & skf18("3","4","7","2","8","6","1") = "7"
    & skf18("3","4","7","2","8","7","1") = "7"
    & skf18("3","4","7","2","8","8","1") = "7"
    & skf18("3","4","7","2","8","9","1") = "8"
    & skf18("3","4","7","2","8","10","1") = "9"
    & skf18("3","4","7","2","9","1","1") = "8"
    & skf18("3","4","7","2","9","2","1") = "8"
    & skf18("3","4","7","2","9","3","1") = "8"
    & skf18("3","4","7","2","9","4","1") = "8"
    & skf18("3","4","7","2","9","5","1") = "8"
    & skf18("3","4","7","2","9","6","1") = "8"
    & skf18("3","4","7","2","9","7","1") = "8"
    & skf18("3","4","7","2","9","8","1") = "8"
    & skf18("3","4","7","2","9","9","1") = "8"
    & skf18("3","4","7","2","9","10","1") = "9"
    & skf18("3","4","7","2","10","1","1") = "9"
    & skf18("3","4","7","2","10","2","1") = "9"
    & skf18("3","4","7","2","10","3","1") = "9"
    & skf18("3","4","7","2","10","4","1") = "9"
    & skf18("3","4","7","2","10","5","1") = "9"
    & skf18("3","4","7","2","10","6","1") = "9"
    & skf18("3","4","7","2","10","7","1") = "9"
    & skf18("3","4","7","2","10","8","1") = "9"
    & skf18("3","4","7","2","10","9","1") = "9"
    & skf18("3","4","7","2","10","10","1") = "9"
    & skf18("3","4","7","3","1","1","1") = "6"
    & skf18("3","4","7","3","1","2","1") = "6"
    & skf18("3","4","7","3","1","3","1") = "6"
    & skf18("3","4","7","3","1","4","1") = "6"
    & skf18("3","4","7","3","1","5","1") = "6"
    & skf18("3","4","7","3","1","6","1") = "6"
    & skf18("3","4","7","3","1","7","1") = "6"
    & skf18("3","4","7","3","1","8","1") = "7"
    & skf18("3","4","7","3","1","9","1") = "8"
    & skf18("3","4","7","3","1","10","1") = "9"
    & skf18("3","4","7","3","2","1","1") = "6"
    & skf18("3","4","7","3","2","2","1") = "6"
    & skf18("3","4","7","3","2","3","1") = "6"
    & skf18("3","4","7","3","2","4","1") = "6"
    & skf18("3","4","7","3","2","5","1") = "6"
    & skf18("3","4","7","3","2","6","1") = "6"
    & skf18("3","4","7","3","2","7","1") = "6"
    & skf18("3","4","7","3","2","8","1") = "7"
    & skf18("3","4","7","3","2","9","1") = "8"
    & skf18("3","4","7","3","2","10","1") = "9"
    & skf18("3","4","7","3","3","1","1") = "6"
    & skf18("3","4","7","3","3","2","1") = "6"
    & skf18("3","4","7","3","3","3","1") = "6"
    & skf18("3","4","7","3","3","4","1") = "6"
    & skf18("3","4","7","3","3","5","1") = "6"
    & skf18("3","4","7","3","3","6","1") = "6"
    & skf18("3","4","7","3","3","7","1") = "6"
    & skf18("3","4","7","3","3","8","1") = "7"
    & skf18("3","4","7","3","3","9","1") = "8"
    & skf18("3","4","7","3","3","10","1") = "9"
    & skf18("3","4","7","3","4","1","1") = "6"
    & skf18("3","4","7","3","4","2","1") = "6"
    & skf18("3","4","7","3","4","3","1") = "6"
    & skf18("3","4","7","3","4","4","1") = "6"
    & skf18("3","4","7","3","4","5","1") = "6"
    & skf18("3","4","7","3","4","6","1") = "6"
    & skf18("3","4","7","3","4","7","1") = "6"
    & skf18("3","4","7","3","4","8","1") = "7"
    & skf18("3","4","7","3","4","9","1") = "8"
    & skf18("3","4","7","3","4","10","1") = "9"
    & skf18("3","4","7","3","5","1","1") = "6"
    & skf18("3","4","7","3","5","2","1") = "6"
    & skf18("3","4","7","3","5","3","1") = "6"
    & skf18("3","4","7","3","5","4","1") = "6"
    & skf18("3","4","7","3","5","5","1") = "6"
    & skf18("3","4","7","3","5","6","1") = "6"
    & skf18("3","4","7","3","5","7","1") = "6"
    & skf18("3","4","7","3","5","8","1") = "7"
    & skf18("3","4","7","3","5","9","1") = "8"
    & skf18("3","4","7","3","5","10","1") = "9"
    & skf18("3","4","7","3","6","1","1") = "6"
    & skf18("3","4","7","3","6","2","1") = "6"
    & skf18("3","4","7","3","6","3","1") = "6"
    & skf18("3","4","7","3","6","4","1") = "6"
    & skf18("3","4","7","3","6","5","1") = "6"
    & skf18("3","4","7","3","6","6","1") = "6"
    & skf18("3","4","7","3","6","7","1") = "6"
    & skf18("3","4","7","3","6","8","1") = "7"
    & skf18("3","4","7","3","6","9","1") = "8"
    & skf18("3","4","7","3","6","10","1") = "9"
    & skf18("3","4","7","3","7","1","1") = "6"
    & skf18("3","4","7","3","7","2","1") = "6"
    & skf18("3","4","7","3","7","3","1") = "6"
    & skf18("3","4","7","3","7","4","1") = "6"
    & skf18("3","4","7","3","7","5","1") = "6"
    & skf18("3","4","7","3","7","6","1") = "6"
    & skf18("3","4","7","3","7","7","1") = "6"
    & skf18("3","4","7","3","7","8","1") = "7"
    & skf18("3","4","7","3","7","9","1") = "8"
    & skf18("3","4","7","3","7","10","1") = "9"
    & skf18("3","4","7","3","8","1","1") = "7"
    & skf18("3","4","7","3","8","2","1") = "7"
    & skf18("3","4","7","3","8","3","1") = "7"
    & skf18("3","4","7","3","8","4","1") = "7"
    & skf18("3","4","7","3","8","5","1") = "7"
    & skf18("3","4","7","3","8","6","1") = "7"
    & skf18("3","4","7","3","8","7","1") = "7"
    & skf18("3","4","7","3","8","8","1") = "7"
    & skf18("3","4","7","3","8","9","1") = "8"
    & skf18("3","4","7","3","8","10","1") = "9"
    & skf18("3","4","7","3","9","1","1") = "8"
    & skf18("3","4","7","3","9","2","1") = "8"
    & skf18("3","4","7","3","9","3","1") = "8"
    & skf18("3","4","7","3","9","4","1") = "8"
    & skf18("3","4","7","3","9","5","1") = "8"
    & skf18("3","4","7","3","9","6","1") = "8"
    & skf18("3","4","7","3","9","7","1") = "8"
    & skf18("3","4","7","3","9","8","1") = "8"
    & skf18("3","4","7","3","9","9","1") = "8"
    & skf18("3","4","7","3","9","10","1") = "9"
    & skf18("3","4","7","3","10","1","1") = "9"
    & skf18("3","4","7","3","10","2","1") = "9"
    & skf18("3","4","7","3","10","3","1") = "9"
    & skf18("3","4","7","3","10","4","1") = "9"
    & skf18("3","4","7","3","10","5","1") = "9"
    & skf18("3","4","7","3","10","6","1") = "9"
    & skf18("3","4","7","3","10","7","1") = "9"
    & skf18("3","4","7","3","10","8","1") = "9"
    & skf18("3","4","7","3","10","9","1") = "9"
    & skf18("3","4","7","3","10","10","1") = "9"
    & skf18("3","4","7","4","1","1","1") = "6"
    & skf18("3","4","7","4","1","2","1") = "6"
    & skf18("3","4","7","4","1","3","1") = "6"
    & skf18("3","4","7","4","1","4","1") = "6"
    & skf18("3","4","7","4","1","5","1") = "6"
    & skf18("3","4","7","4","1","6","1") = "6"
    & skf18("3","4","7","4","1","7","1") = "6"
    & skf18("3","4","7","4","1","8","1") = "7"
    & skf18("3","4","7","4","1","9","1") = "8"
    & skf18("3","4","7","4","1","10","1") = "9"
    & skf18("3","4","7","4","2","1","1") = "6"
    & skf18("3","4","7","4","2","2","1") = "6"
    & skf18("3","4","7","4","2","3","1") = "6"
    & skf18("3","4","7","4","2","4","1") = "6"
    & skf18("3","4","7","4","2","5","1") = "6"
    & skf18("3","4","7","4","2","6","1") = "6"
    & skf18("3","4","7","4","2","7","1") = "6"
    & skf18("3","4","7","4","2","8","1") = "7"
    & skf18("3","4","7","4","2","9","1") = "8"
    & skf18("3","4","7","4","2","10","1") = "9"
    & skf18("3","4","7","4","3","1","1") = "6"
    & skf18("3","4","7","4","3","2","1") = "6"
    & skf18("3","4","7","4","3","3","1") = "6"
    & skf18("3","4","7","4","3","4","1") = "6"
    & skf18("3","4","7","4","3","5","1") = "6"
    & skf18("3","4","7","4","3","6","1") = "6"
    & skf18("3","4","7","4","3","7","1") = "6"
    & skf18("3","4","7","4","3","8","1") = "7"
    & skf18("3","4","7","4","3","9","1") = "8"
    & skf18("3","4","7","4","3","10","1") = "9"
    & skf18("3","4","7","4","4","1","1") = "6"
    & skf18("3","4","7","4","4","2","1") = "6"
    & skf18("3","4","7","4","4","3","1") = "6"
    & skf18("3","4","7","4","4","4","1") = "6"
    & skf18("3","4","7","4","4","5","1") = "6"
    & skf18("3","4","7","4","4","6","1") = "6"
    & skf18("3","4","7","4","4","7","1") = "6"
    & skf18("3","4","7","4","4","8","1") = "7"
    & skf18("3","4","7","4","4","9","1") = "8"
    & skf18("3","4","7","4","4","10","1") = "9"
    & skf18("3","4","7","4","5","1","1") = "6"
    & skf18("3","4","7","4","5","2","1") = "6"
    & skf18("3","4","7","4","5","3","1") = "6"
    & skf18("3","4","7","4","5","4","1") = "6"
    & skf18("3","4","7","4","5","5","1") = "6"
    & skf18("3","4","7","4","5","6","1") = "6"
    & skf18("3","4","7","4","5","7","1") = "6"
    & skf18("3","4","7","4","5","8","1") = "7"
    & skf18("3","4","7","4","5","9","1") = "8"
    & skf18("3","4","7","4","5","10","1") = "9"
    & skf18("3","4","7","4","6","1","1") = "6"
    & skf18("3","4","7","4","6","2","1") = "6"
    & skf18("3","4","7","4","6","3","1") = "6"
    & skf18("3","4","7","4","6","4","1") = "6"
    & skf18("3","4","7","4","6","5","1") = "6"
    & skf18("3","4","7","4","6","6","1") = "6"
    & skf18("3","4","7","4","6","7","1") = "6"
    & skf18("3","4","7","4","6","8","1") = "7"
    & skf18("3","4","7","4","6","9","1") = "8"
    & skf18("3","4","7","4","6","10","1") = "9"
    & skf18("3","4","7","4","7","1","1") = "6"
    & skf18("3","4","7","4","7","2","1") = "6"
    & skf18("3","4","7","4","7","3","1") = "6"
    & skf18("3","4","7","4","7","4","1") = "6"
    & skf18("3","4","7","4","7","5","1") = "6"
    & skf18("3","4","7","4","7","6","1") = "6"
    & skf18("3","4","7","4","7","7","1") = "6"
    & skf18("3","4","7","4","7","8","1") = "7"
    & skf18("3","4","7","4","7","9","1") = "8"
    & skf18("3","4","7","4","7","10","1") = "9"
    & skf18("3","4","7","4","8","1","1") = "7"
    & skf18("3","4","7","4","8","2","1") = "7"
    & skf18("3","4","7","4","8","3","1") = "7"
    & skf18("3","4","7","4","8","4","1") = "7"
    & skf18("3","4","7","4","8","5","1") = "7"
    & skf18("3","4","7","4","8","6","1") = "7"
    & skf18("3","4","7","4","8","7","1") = "7"
    & skf18("3","4","7","4","8","8","1") = "7"
    & skf18("3","4","7","4","8","9","1") = "8"
    & skf18("3","4","7","4","8","10","1") = "9"
    & skf18("3","4","7","4","9","1","1") = "8"
    & skf18("3","4","7","4","9","2","1") = "8"
    & skf18("3","4","7","4","9","3","1") = "8"
    & skf18("3","4","7","4","9","4","1") = "8"
    & skf18("3","4","7","4","9","5","1") = "8"
    & skf18("3","4","7","4","9","6","1") = "8"
    & skf18("3","4","7","4","9","7","1") = "8"
    & skf18("3","4","7","4","9","8","1") = "8"
    & skf18("3","4","7","4","9","9","1") = "8"
    & skf18("3","4","7","4","9","10","1") = "9"
    & skf18("3","4","7","4","10","1","1") = "9"
    & skf18("3","4","7","4","10","2","1") = "9"
    & skf18("3","4","7","4","10","3","1") = "9"
    & skf18("3","4","7","4","10","4","1") = "9"
    & skf18("3","4","7","4","10","5","1") = "9"
    & skf18("3","4","7","4","10","6","1") = "9"
    & skf18("3","4","7","4","10","7","1") = "9"
    & skf18("3","4","7","4","10","8","1") = "9"
    & skf18("3","4","7","4","10","9","1") = "9"
    & skf18("3","4","7","4","10","10","1") = "9"
    & skf18("3","4","7","5","1","1","1") = "6"
    & skf18("3","4","7","5","1","2","1") = "6"
    & skf18("3","4","7","5","1","3","1") = "6"
    & skf18("3","4","7","5","1","4","1") = "6"
    & skf18("3","4","7","5","1","5","1") = "6"
    & skf18("3","4","7","5","1","6","1") = "6"
    & skf18("3","4","7","5","1","7","1") = "6"
    & skf18("3","4","7","5","1","8","1") = "7"
    & skf18("3","4","7","5","1","9","1") = "8"
    & skf18("3","4","7","5","1","10","1") = "9"
    & skf18("3","4","7","5","2","1","1") = "6"
    & skf18("3","4","7","5","2","2","1") = "6"
    & skf18("3","4","7","5","2","3","1") = "6"
    & skf18("3","4","7","5","2","4","1") = "6"
    & skf18("3","4","7","5","2","5","1") = "6"
    & skf18("3","4","7","5","2","6","1") = "6"
    & skf18("3","4","7","5","2","7","1") = "6"
    & skf18("3","4","7","5","2","8","1") = "7"
    & skf18("3","4","7","5","2","9","1") = "8"
    & skf18("3","4","7","5","2","10","1") = "9"
    & skf18("3","4","7","5","3","1","1") = "6"
    & skf18("3","4","7","5","3","2","1") = "6"
    & skf18("3","4","7","5","3","3","1") = "6"
    & skf18("3","4","7","5","3","4","1") = "6"
    & skf18("3","4","7","5","3","5","1") = "6"
    & skf18("3","4","7","5","3","6","1") = "6"
    & skf18("3","4","7","5","3","7","1") = "6"
    & skf18("3","4","7","5","3","8","1") = "7"
    & skf18("3","4","7","5","3","9","1") = "8"
    & skf18("3","4","7","5","3","10","1") = "9"
    & skf18("3","4","7","5","4","1","1") = "6"
    & skf18("3","4","7","5","4","2","1") = "6"
    & skf18("3","4","7","5","4","3","1") = "6"
    & skf18("3","4","7","5","4","4","1") = "6"
    & skf18("3","4","7","5","4","5","1") = "6"
    & skf18("3","4","7","5","4","6","1") = "6"
    & skf18("3","4","7","5","4","7","1") = "6"
    & skf18("3","4","7","5","4","8","1") = "7"
    & skf18("3","4","7","5","4","9","1") = "8"
    & skf18("3","4","7","5","4","10","1") = "9"
    & skf18("3","4","7","5","5","1","1") = "6"
    & skf18("3","4","7","5","5","2","1") = "6"
    & skf18("3","4","7","5","5","3","1") = "6"
    & skf18("3","4","7","5","5","4","1") = "6"
    & skf18("3","4","7","5","5","5","1") = "6"
    & skf18("3","4","7","5","5","6","1") = "6"
    & skf18("3","4","7","5","5","7","1") = "6"
    & skf18("3","4","7","5","5","8","1") = "7"
    & skf18("3","4","7","5","5","9","1") = "8"
    & skf18("3","4","7","5","5","10","1") = "9"
    & skf18("3","4","7","5","6","1","1") = "6"
    & skf18("3","4","7","5","6","2","1") = "6"
    & skf18("3","4","7","5","6","3","1") = "6"
    & skf18("3","4","7","5","6","4","1") = "6"
    & skf18("3","4","7","5","6","5","1") = "6"
    & skf18("3","4","7","5","6","6","1") = "6"
    & skf18("3","4","7","5","6","7","1") = "6"
    & skf18("3","4","7","5","6","8","1") = "7"
    & skf18("3","4","7","5","6","9","1") = "8"
    & skf18("3","4","7","5","6","10","1") = "9"
    & skf18("3","4","7","5","7","1","1") = "6"
    & skf18("3","4","7","5","7","2","1") = "6"
    & skf18("3","4","7","5","7","3","1") = "6"
    & skf18("3","4","7","5","7","4","1") = "6"
    & skf18("3","4","7","5","7","5","1") = "6"
    & skf18("3","4","7","5","7","6","1") = "6"
    & skf18("3","4","7","5","7","7","1") = "6"
    & skf18("3","4","7","5","7","8","1") = "7"
    & skf18("3","4","7","5","7","9","1") = "8"
    & skf18("3","4","7","5","7","10","1") = "9"
    & skf18("3","4","7","5","8","1","1") = "7"
    & skf18("3","4","7","5","8","2","1") = "7"
    & skf18("3","4","7","5","8","3","1") = "7"
    & skf18("3","4","7","5","8","4","1") = "7"
    & skf18("3","4","7","5","8","5","1") = "7"
    & skf18("3","4","7","5","8","6","1") = "7"
    & skf18("3","4","7","5","8","7","1") = "7"
    & skf18("3","4","7","5","8","8","1") = "7"
    & skf18("3","4","7","5","8","9","1") = "8"
    & skf18("3","4","7","5","8","10","1") = "9"
    & skf18("3","4","7","5","9","1","1") = "8"
    & skf18("3","4","7","5","9","2","1") = "8"
    & skf18("3","4","7","5","9","3","1") = "8"
    & skf18("3","4","7","5","9","4","1") = "8"
    & skf18("3","4","7","5","9","5","1") = "8"
    & skf18("3","4","7","5","9","6","1") = "8"
    & skf18("3","4","7","5","9","7","1") = "8"
    & skf18("3","4","7","5","9","8","1") = "8"
    & skf18("3","4","7","5","9","9","1") = "8"
    & skf18("3","4","7","5","9","10","1") = "9"
    & skf18("3","4","7","5","10","1","1") = "9"
    & skf18("3","4","7","5","10","2","1") = "9"
    & skf18("3","4","7","5","10","3","1") = "9"
    & skf18("3","4","7","5","10","4","1") = "9"
    & skf18("3","4","7","5","10","5","1") = "9"
    & skf18("3","4","7","5","10","6","1") = "9"
    & skf18("3","4","7","5","10","7","1") = "9"
    & skf18("3","4","7","5","10","8","1") = "9"
    & skf18("3","4","7","5","10","9","1") = "9"
    & skf18("3","4","7","5","10","10","1") = "9"
    & skf18("3","4","7","6","1","1","1") = "6"
    & skf18("3","4","7","6","1","2","1") = "6"
    & skf18("3","4","7","6","1","3","1") = "6"
    & skf18("3","4","7","6","1","4","1") = "6"
    & skf18("3","4","7","6","1","5","1") = "6"
    & skf18("3","4","7","6","1","6","1") = "6"
    & skf18("3","4","7","6","1","7","1") = "6"
    & skf18("3","4","7","6","1","8","1") = "7"
    & skf18("3","4","7","6","1","9","1") = "8"
    & skf18("3","4","7","6","1","10","1") = "9"
    & skf18("3","4","7","6","2","1","1") = "6"
    & skf18("3","4","7","6","2","2","1") = "6"
    & skf18("3","4","7","6","2","3","1") = "6"
    & skf18("3","4","7","6","2","4","1") = "6"
    & skf18("3","4","7","6","2","5","1") = "6"
    & skf18("3","4","7","6","2","6","1") = "6"
    & skf18("3","4","7","6","2","7","1") = "6"
    & skf18("3","4","7","6","2","8","1") = "7"
    & skf18("3","4","7","6","2","9","1") = "8"
    & skf18("3","4","7","6","2","10","1") = "9"
    & skf18("3","4","7","6","3","1","1") = "6"
    & skf18("3","4","7","6","3","2","1") = "6"
    & skf18("3","4","7","6","3","3","1") = "6"
    & skf18("3","4","7","6","3","4","1") = "6"
    & skf18("3","4","7","6","3","5","1") = "6"
    & skf18("3","4","7","6","3","6","1") = "6"
    & skf18("3","4","7","6","3","7","1") = "6"
    & skf18("3","4","7","6","3","8","1") = "7"
    & skf18("3","4","7","6","3","9","1") = "8"
    & skf18("3","4","7","6","3","10","1") = "9"
    & skf18("3","4","7","6","4","1","1") = "6"
    & skf18("3","4","7","6","4","2","1") = "6"
    & skf18("3","4","7","6","4","3","1") = "6"
    & skf18("3","4","7","6","4","4","1") = "6"
    & skf18("3","4","7","6","4","5","1") = "6"
    & skf18("3","4","7","6","4","6","1") = "6"
    & skf18("3","4","7","6","4","7","1") = "6"
    & skf18("3","4","7","6","4","8","1") = "7"
    & skf18("3","4","7","6","4","9","1") = "8"
    & skf18("3","4","7","6","4","10","1") = "9"
    & skf18("3","4","7","6","5","1","1") = "6"
    & skf18("3","4","7","6","5","2","1") = "6"
    & skf18("3","4","7","6","5","3","1") = "6"
    & skf18("3","4","7","6","5","4","1") = "6"
    & skf18("3","4","7","6","5","5","1") = "6"
    & skf18("3","4","7","6","5","6","1") = "6"
    & skf18("3","4","7","6","5","7","1") = "6"
    & skf18("3","4","7","6","5","8","1") = "7"
    & skf18("3","4","7","6","5","9","1") = "8"
    & skf18("3","4","7","6","5","10","1") = "9"
    & skf18("3","4","7","6","6","1","1") = "6"
    & skf18("3","4","7","6","6","2","1") = "6"
    & skf18("3","4","7","6","6","3","1") = "6"
    & skf18("3","4","7","6","6","4","1") = "6"
    & skf18("3","4","7","6","6","5","1") = "6"
    & skf18("3","4","7","6","6","6","1") = "6"
    & skf18("3","4","7","6","6","7","1") = "6"
    & skf18("3","4","7","6","6","8","1") = "7"
    & skf18("3","4","7","6","6","9","1") = "8"
    & skf18("3","4","7","6","6","10","1") = "9"
    & skf18("3","4","7","6","7","1","1") = "6"
    & skf18("3","4","7","6","7","2","1") = "6"
    & skf18("3","4","7","6","7","3","1") = "6"
    & skf18("3","4","7","6","7","4","1") = "6"
    & skf18("3","4","7","6","7","5","1") = "6"
    & skf18("3","4","7","6","7","6","1") = "6"
    & skf18("3","4","7","6","7","7","1") = "6"
    & skf18("3","4","7","6","7","8","1") = "7"
    & skf18("3","4","7","6","7","9","1") = "8"
    & skf18("3","4","7","6","7","10","1") = "9"
    & skf18("3","4","7","6","8","1","1") = "7"
    & skf18("3","4","7","6","8","2","1") = "7"
    & skf18("3","4","7","6","8","3","1") = "7"
    & skf18("3","4","7","6","8","4","1") = "7"
    & skf18("3","4","7","6","8","5","1") = "7"
    & skf18("3","4","7","6","8","6","1") = "7"
    & skf18("3","4","7","6","8","7","1") = "7"
    & skf18("3","4","7","6","8","8","1") = "7"
    & skf18("3","4","7","6","8","9","1") = "8"
    & skf18("3","4","7","6","8","10","1") = "9"
    & skf18("3","4","7","6","9","1","1") = "8"
    & skf18("3","4","7","6","9","2","1") = "8"
    & skf18("3","4","7","6","9","3","1") = "8"
    & skf18("3","4","7","6","9","4","1") = "8"
    & skf18("3","4","7","6","9","5","1") = "8"
    & skf18("3","4","7","6","9","6","1") = "8"
    & skf18("3","4","7","6","9","7","1") = "8"
    & skf18("3","4","7","6","9","8","1") = "8"
    & skf18("3","4","7","6","9","9","1") = "8"
    & skf18("3","4","7","6","9","10","1") = "9"
    & skf18("3","4","7","6","10","1","1") = "9"
    & skf18("3","4","7","6","10","2","1") = "9"
    & skf18("3","4","7","6","10","3","1") = "9"
    & skf18("3","4","7","6","10","4","1") = "9"
    & skf18("3","4","7","6","10","5","1") = "9"
    & skf18("3","4","7","6","10","6","1") = "9"
    & skf18("3","4","7","6","10","7","1") = "9"
    & skf18("3","4","7","6","10","8","1") = "9"
    & skf18("3","4","7","6","10","9","1") = "9"
    & skf18("3","4","7","6","10","10","1") = "9"
    & skf18("3","4","7","7","1","1","1") = "6"
    & skf18("3","4","7","7","1","2","1") = "6"
    & skf18("3","4","7","7","1","3","1") = "6"
    & skf18("3","4","7","7","1","4","1") = "6"
    & skf18("3","4","7","7","1","5","1") = "6"
    & skf18("3","4","7","7","1","6","1") = "6"
    & skf18("3","4","7","7","1","7","1") = "6"
    & skf18("3","4","7","7","1","8","1") = "7"
    & skf18("3","4","7","7","1","9","1") = "8"
    & skf18("3","4","7","7","1","10","1") = "9"
    & skf18("3","4","7","7","2","1","1") = "6"
    & skf18("3","4","7","7","2","2","1") = "6"
    & skf18("3","4","7","7","2","3","1") = "6"
    & skf18("3","4","7","7","2","4","1") = "6"
    & skf18("3","4","7","7","2","5","1") = "6"
    & skf18("3","4","7","7","2","6","1") = "6"
    & skf18("3","4","7","7","2","7","1") = "6"
    & skf18("3","4","7","7","2","8","1") = "7"
    & skf18("3","4","7","7","2","9","1") = "8"
    & skf18("3","4","7","7","2","10","1") = "9"
    & skf18("3","4","7","7","3","1","1") = "6"
    & skf18("3","4","7","7","3","2","1") = "6"
    & skf18("3","4","7","7","3","3","1") = "6"
    & skf18("3","4","7","7","3","4","1") = "6"
    & skf18("3","4","7","7","3","5","1") = "6"
    & skf18("3","4","7","7","3","6","1") = "6"
    & skf18("3","4","7","7","3","7","1") = "6"
    & skf18("3","4","7","7","3","8","1") = "7"
    & skf18("3","4","7","7","3","9","1") = "8"
    & skf18("3","4","7","7","3","10","1") = "9"
    & skf18("3","4","7","7","4","1","1") = "6"
    & skf18("3","4","7","7","4","2","1") = "6"
    & skf18("3","4","7","7","4","3","1") = "6"
    & skf18("3","4","7","7","4","4","1") = "6"
    & skf18("3","4","7","7","4","5","1") = "6"
    & skf18("3","4","7","7","4","6","1") = "6"
    & skf18("3","4","7","7","4","7","1") = "6"
    & skf18("3","4","7","7","4","8","1") = "7"
    & skf18("3","4","7","7","4","9","1") = "8"
    & skf18("3","4","7","7","4","10","1") = "9"
    & skf18("3","4","7","7","5","1","1") = "6"
    & skf18("3","4","7","7","5","2","1") = "6"
    & skf18("3","4","7","7","5","3","1") = "6"
    & skf18("3","4","7","7","5","4","1") = "6"
    & skf18("3","4","7","7","5","5","1") = "6"
    & skf18("3","4","7","7","5","6","1") = "6"
    & skf18("3","4","7","7","5","7","1") = "6"
    & skf18("3","4","7","7","5","8","1") = "7"
    & skf18("3","4","7","7","5","9","1") = "8"
    & skf18("3","4","7","7","5","10","1") = "9"
    & skf18("3","4","7","7","6","1","1") = "6"
    & skf18("3","4","7","7","6","2","1") = "6"
    & skf18("3","4","7","7","6","3","1") = "6"
    & skf18("3","4","7","7","6","4","1") = "6"
    & skf18("3","4","7","7","6","5","1") = "6"
    & skf18("3","4","7","7","6","6","1") = "6"
    & skf18("3","4","7","7","6","7","1") = "6"
    & skf18("3","4","7","7","6","8","1") = "7"
    & skf18("3","4","7","7","6","9","1") = "8"
    & skf18("3","4","7","7","6","10","1") = "9"
    & skf18("3","4","7","7","7","1","1") = "6"
    & skf18("3","4","7","7","7","2","1") = "6"
    & skf18("3","4","7","7","7","3","1") = "6"
    & skf18("3","4","7","7","7","4","1") = "6"
    & skf18("3","4","7","7","7","5","1") = "6"
    & skf18("3","4","7","7","7","6","1") = "6"
    & skf18("3","4","7","7","7","7","1") = "6"
    & skf18("3","4","7","7","7","8","1") = "7"
    & skf18("3","4","7","7","7","9","1") = "8"
    & skf18("3","4","7","7","7","10","1") = "9"
    & skf18("3","4","7","7","8","1","1") = "7"
    & skf18("3","4","7","7","8","2","1") = "7"
    & skf18("3","4","7","7","8","3","1") = "7"
    & skf18("3","4","7","7","8","4","1") = "7"
    & skf18("3","4","7","7","8","5","1") = "7"
    & skf18("3","4","7","7","8","6","1") = "7"
    & skf18("3","4","7","7","8","7","1") = "7"
    & skf18("3","4","7","7","8","8","1") = "7"
    & skf18("3","4","7","7","8","9","1") = "8"
    & skf18("3","4","7","7","8","10","1") = "9"
    & skf18("3","4","7","7","9","1","1") = "8"
    & skf18("3","4","7","7","9","2","1") = "8"
    & skf18("3","4","7","7","9","3","1") = "8"
    & skf18("3","4","7","7","9","4","1") = "8"
    & skf18("3","4","7","7","9","5","1") = "8"
    & skf18("3","4","7","7","9","6","1") = "8"
    & skf18("3","4","7","7","9","7","1") = "8"
    & skf18("3","4","7","7","9","8","1") = "8"
    & skf18("3","4","7","7","9","9","1") = "8"
    & skf18("3","4","7","7","9","10","1") = "9"
    & skf18("3","4","7","7","10","1","1") = "9"
    & skf18("3","4","7","7","10","2","1") = "9"
    & skf18("3","4","7","7","10","3","1") = "9"
    & skf18("3","4","7","7","10","4","1") = "9"
    & skf18("3","4","7","7","10","5","1") = "9"
    & skf18("3","4","7","7","10","6","1") = "9"
    & skf18("3","4","7","7","10","7","1") = "9"
    & skf18("3","4","7","7","10","8","1") = "9"
    & skf18("3","4","7","7","10","9","1") = "9"
    & skf18("3","4","7","7","10","10","1") = "9"
    & skf18("3","4","7","8","1","1","1") = "7"
    & skf18("3","4","7","8","1","2","1") = "7"
    & skf18("3","4","7","8","1","3","1") = "7"
    & skf18("3","4","7","8","1","4","1") = "7"
    & skf18("3","4","7","8","1","5","1") = "7"
    & skf18("3","4","7","8","1","6","1") = "7"
    & skf18("3","4","7","8","1","7","1") = "7"
    & skf18("3","4","7","8","1","8","1") = "7"
    & skf18("3","4","7","8","1","9","1") = "8"
    & skf18("3","4","7","8","1","10","1") = "9"
    & skf18("3","4","7","8","2","1","1") = "7"
    & skf18("3","4","7","8","2","2","1") = "7"
    & skf18("3","4","7","8","2","3","1") = "7"
    & skf18("3","4","7","8","2","4","1") = "7"
    & skf18("3","4","7","8","2","5","1") = "7"
    & skf18("3","4","7","8","2","6","1") = "7"
    & skf18("3","4","7","8","2","7","1") = "7"
    & skf18("3","4","7","8","2","8","1") = "7"
    & skf18("3","4","7","8","2","9","1") = "8"
    & skf18("3","4","7","8","2","10","1") = "9"
    & skf18("3","4","7","8","3","1","1") = "7"
    & skf18("3","4","7","8","3","2","1") = "7"
    & skf18("3","4","7","8","3","3","1") = "7"
    & skf18("3","4","7","8","3","4","1") = "7"
    & skf18("3","4","7","8","3","5","1") = "7"
    & skf18("3","4","7","8","3","6","1") = "7"
    & skf18("3","4","7","8","3","7","1") = "7"
    & skf18("3","4","7","8","3","8","1") = "7"
    & skf18("3","4","7","8","3","9","1") = "8"
    & skf18("3","4","7","8","3","10","1") = "9"
    & skf18("3","4","7","8","4","1","1") = "7"
    & skf18("3","4","7","8","4","2","1") = "7"
    & skf18("3","4","7","8","4","3","1") = "7"
    & skf18("3","4","7","8","4","4","1") = "7"
    & skf18("3","4","7","8","4","5","1") = "7"
    & skf18("3","4","7","8","4","6","1") = "7"
    & skf18("3","4","7","8","4","7","1") = "7"
    & skf18("3","4","7","8","4","8","1") = "7"
    & skf18("3","4","7","8","4","9","1") = "8"
    & skf18("3","4","7","8","4","10","1") = "9"
    & skf18("3","4","7","8","5","1","1") = "7"
    & skf18("3","4","7","8","5","2","1") = "7"
    & skf18("3","4","7","8","5","3","1") = "7"
    & skf18("3","4","7","8","5","4","1") = "7"
    & skf18("3","4","7","8","5","5","1") = "7"
    & skf18("3","4","7","8","5","6","1") = "7"
    & skf18("3","4","7","8","5","7","1") = "7"
    & skf18("3","4","7","8","5","8","1") = "7"
    & skf18("3","4","7","8","5","9","1") = "8"
    & skf18("3","4","7","8","5","10","1") = "9"
    & skf18("3","4","7","8","6","1","1") = "7"
    & skf18("3","4","7","8","6","2","1") = "7"
    & skf18("3","4","7","8","6","3","1") = "7"
    & skf18("3","4","7","8","6","4","1") = "7"
    & skf18("3","4","7","8","6","5","1") = "7"
    & skf18("3","4","7","8","6","6","1") = "7"
    & skf18("3","4","7","8","6","7","1") = "7"
    & skf18("3","4","7","8","6","8","1") = "7"
    & skf18("3","4","7","8","6","9","1") = "8"
    & skf18("3","4","7","8","6","10","1") = "9"
    & skf18("3","4","7","8","7","1","1") = "7"
    & skf18("3","4","7","8","7","2","1") = "7"
    & skf18("3","4","7","8","7","3","1") = "7"
    & skf18("3","4","7","8","7","4","1") = "7"
    & skf18("3","4","7","8","7","5","1") = "7"
    & skf18("3","4","7","8","7","6","1") = "7"
    & skf18("3","4","7","8","7","7","1") = "7"
    & skf18("3","4","7","8","7","8","1") = "7"
    & skf18("3","4","7","8","7","9","1") = "8"
    & skf18("3","4","7","8","7","10","1") = "9"
    & skf18("3","4","7","8","8","1","1") = "7"
    & skf18("3","4","7","8","8","2","1") = "7"
    & skf18("3","4","7","8","8","3","1") = "7"
    & skf18("3","4","7","8","8","4","1") = "7"
    & skf18("3","4","7","8","8","5","1") = "7"
    & skf18("3","4","7","8","8","6","1") = "7"
    & skf18("3","4","7","8","8","7","1") = "7"
    & skf18("3","4","7","8","8","8","1") = "7"
    & skf18("3","4","7","8","8","9","1") = "8"
    & skf18("3","4","7","8","8","10","1") = "9"
    & skf18("3","4","7","8","9","1","1") = "8"
    & skf18("3","4","7","8","9","2","1") = "8"
    & skf18("3","4","7","8","9","3","1") = "8"
    & skf18("3","4","7","8","9","4","1") = "8"
    & skf18("3","4","7","8","9","5","1") = "8"
    & skf18("3","4","7","8","9","6","1") = "8"
    & skf18("3","4","7","8","9","7","1") = "8"
    & skf18("3","4","7","8","9","8","1") = "8"
    & skf18("3","4","7","8","9","9","1") = "8"
    & skf18("3","4","7","8","9","10","1") = "9"
    & skf18("3","4","7","8","10","1","1") = "9"
    & skf18("3","4","7","8","10","2","1") = "9"
    & skf18("3","4","7","8","10","3","1") = "9"
    & skf18("3","4","7","8","10","4","1") = "9"
    & skf18("3","4","7","8","10","5","1") = "9"
    & skf18("3","4","7","8","10","6","1") = "9"
    & skf18("3","4","7","8","10","7","1") = "9"
    & skf18("3","4","7","8","10","8","1") = "9"
    & skf18("3","4","7","8","10","9","1") = "9"
    & skf18("3","4","7","8","10","10","1") = "9"
    & skf18("3","4","7","9","1","1","1") = "8"
    & skf18("3","4","7","9","1","2","1") = "8"
    & skf18("3","4","7","9","1","3","1") = "8"
    & skf18("3","4","7","9","1","4","1") = "8"
    & skf18("3","4","7","9","1","5","1") = "8"
    & skf18("3","4","7","9","1","6","1") = "8"
    & skf18("3","4","7","9","1","7","1") = "8"
    & skf18("3","4","7","9","1","8","1") = "8"
    & skf18("3","4","7","9","1","9","1") = "8"
    & skf18("3","4","7","9","1","10","1") = "9"
    & skf18("3","4","7","9","2","1","1") = "8"
    & skf18("3","4","7","9","2","2","1") = "8"
    & skf18("3","4","7","9","2","3","1") = "8"
    & skf18("3","4","7","9","2","4","1") = "8"
    & skf18("3","4","7","9","2","5","1") = "8"
    & skf18("3","4","7","9","2","6","1") = "8"
    & skf18("3","4","7","9","2","7","1") = "8"
    & skf18("3","4","7","9","2","8","1") = "8"
    & skf18("3","4","7","9","2","9","1") = "8"
    & skf18("3","4","7","9","2","10","1") = "9"
    & skf18("3","4","7","9","3","1","1") = "8"
    & skf18("3","4","7","9","3","2","1") = "8"
    & skf18("3","4","7","9","3","3","1") = "8"
    & skf18("3","4","7","9","3","4","1") = "8"
    & skf18("3","4","7","9","3","5","1") = "8"
    & skf18("3","4","7","9","3","6","1") = "8"
    & skf18("3","4","7","9","3","7","1") = "8"
    & skf18("3","4","7","9","3","8","1") = "8"
    & skf18("3","4","7","9","3","9","1") = "8"
    & skf18("3","4","7","9","3","10","1") = "9"
    & skf18("3","4","7","9","4","1","1") = "8"
    & skf18("3","4","7","9","4","2","1") = "8"
    & skf18("3","4","7","9","4","3","1") = "8"
    & skf18("3","4","7","9","4","4","1") = "8"
    & skf18("3","4","7","9","4","5","1") = "8"
    & skf18("3","4","7","9","4","6","1") = "8"
    & skf18("3","4","7","9","4","7","1") = "8"
    & skf18("3","4","7","9","4","8","1") = "8"
    & skf18("3","4","7","9","4","9","1") = "8"
    & skf18("3","4","7","9","4","10","1") = "9"
    & skf18("3","4","7","9","5","1","1") = "8"
    & skf18("3","4","7","9","5","2","1") = "8"
    & skf18("3","4","7","9","5","3","1") = "8"
    & skf18("3","4","7","9","5","4","1") = "8"
    & skf18("3","4","7","9","5","5","1") = "8"
    & skf18("3","4","7","9","5","6","1") = "8"
    & skf18("3","4","7","9","5","7","1") = "8"
    & skf18("3","4","7","9","5","8","1") = "8"
    & skf18("3","4","7","9","5","9","1") = "8"
    & skf18("3","4","7","9","5","10","1") = "9"
    & skf18("3","4","7","9","6","1","1") = "8"
    & skf18("3","4","7","9","6","2","1") = "8"
    & skf18("3","4","7","9","6","3","1") = "8"
    & skf18("3","4","7","9","6","4","1") = "8"
    & skf18("3","4","7","9","6","5","1") = "8"
    & skf18("3","4","7","9","6","6","1") = "8"
    & skf18("3","4","7","9","6","7","1") = "8"
    & skf18("3","4","7","9","6","8","1") = "8"
    & skf18("3","4","7","9","6","9","1") = "8"
    & skf18("3","4","7","9","6","10","1") = "9"
    & skf18("3","4","7","9","7","1","1") = "8"
    & skf18("3","4","7","9","7","2","1") = "8"
    & skf18("3","4","7","9","7","3","1") = "8"
    & skf18("3","4","7","9","7","4","1") = "8"
    & skf18("3","4","7","9","7","5","1") = "8"
    & skf18("3","4","7","9","7","6","1") = "8"
    & skf18("3","4","7","9","7","7","1") = "8"
    & skf18("3","4","7","9","7","8","1") = "8"
    & skf18("3","4","7","9","7","9","1") = "8"
    & skf18("3","4","7","9","7","10","1") = "9"
    & skf18("3","4","7","9","8","1","1") = "8"
    & skf18("3","4","7","9","8","2","1") = "8"
    & skf18("3","4","7","9","8","3","1") = "8"
    & skf18("3","4","7","9","8","4","1") = "8"
    & skf18("3","4","7","9","8","5","1") = "8"
    & skf18("3","4","7","9","8","6","1") = "8"
    & skf18("3","4","7","9","8","7","1") = "8"
    & skf18("3","4","7","9","8","8","1") = "8"
    & skf18("3","4","7","9","8","9","1") = "8"
    & skf18("3","4","7","9","8","10","1") = "9"
    & skf18("3","4","7","9","9","1","1") = "8"
    & skf18("3","4","7","9","9","2","1") = "8"
    & skf18("3","4","7","9","9","3","1") = "8"
    & skf18("3","4","7","9","9","4","1") = "8"
    & skf18("3","4","7","9","9","5","1") = "8"
    & skf18("3","4","7","9","9","6","1") = "8"
    & skf18("3","4","7","9","9","7","1") = "8"
    & skf18("3","4","7","9","9","8","1") = "8"
    & skf18("3","4","7","9","9","9","1") = "8"
    & skf18("3","4","7","9","9","10","1") = "9"
    & skf18("3","4","7","9","10","1","1") = "9"
    & skf18("3","4","7","9","10","2","1") = "9"
    & skf18("3","4","7","9","10","3","1") = "9"
    & skf18("3","4","7","9","10","4","1") = "9"
    & skf18("3","4","7","9","10","5","1") = "9"
    & skf18("3","4","7","9","10","6","1") = "9"
    & skf18("3","4","7","9","10","7","1") = "9"
    & skf18("3","4","7","9","10","8","1") = "9"
    & skf18("3","4","7","9","10","9","1") = "9"
    & skf18("3","4","7","9","10","10","1") = "9"
    & skf18("3","4","7","10","1","1","1") = "9"
    & skf18("3","4","7","10","1","2","1") = "9"
    & skf18("3","4","7","10","1","3","1") = "9"
    & skf18("3","4","7","10","1","4","1") = "9"
    & skf18("3","4","7","10","1","5","1") = "9"
    & skf18("3","4","7","10","1","6","1") = "9"
    & skf18("3","4","7","10","1","7","1") = "9"
    & skf18("3","4","7","10","1","8","1") = "9"
    & skf18("3","4","7","10","1","9","1") = "9"
    & skf18("3","4","7","10","1","10","1") = "9"
    & skf18("3","4","7","10","2","1","1") = "9"
    & skf18("3","4","7","10","2","2","1") = "9"
    & skf18("3","4","7","10","2","3","1") = "9"
    & skf18("3","4","7","10","2","4","1") = "9"
    & skf18("3","4","7","10","2","5","1") = "9"
    & skf18("3","4","7","10","2","6","1") = "9"
    & skf18("3","4","7","10","2","7","1") = "9"
    & skf18("3","4","7","10","2","8","1") = "9"
    & skf18("3","4","7","10","2","9","1") = "9"
    & skf18("3","4","7","10","2","10","1") = "9"
    & skf18("3","4","7","10","3","1","1") = "9"
    & skf18("3","4","7","10","3","2","1") = "9"
    & skf18("3","4","7","10","3","3","1") = "9"
    & skf18("3","4","7","10","3","4","1") = "9"
    & skf18("3","4","7","10","3","5","1") = "9"
    & skf18("3","4","7","10","3","6","1") = "9"
    & skf18("3","4","7","10","3","7","1") = "9"
    & skf18("3","4","7","10","3","8","1") = "9"
    & skf18("3","4","7","10","3","9","1") = "9"
    & skf18("3","4","7","10","3","10","1") = "9"
    & skf18("3","4","7","10","4","1","1") = "9"
    & skf18("3","4","7","10","4","2","1") = "9"
    & skf18("3","4","7","10","4","3","1") = "9"
    & skf18("3","4","7","10","4","4","1") = "9"
    & skf18("3","4","7","10","4","5","1") = "9"
    & skf18("3","4","7","10","4","6","1") = "9"
    & skf18("3","4","7","10","4","7","1") = "9"
    & skf18("3","4","7","10","4","8","1") = "9"
    & skf18("3","4","7","10","4","9","1") = "9"
    & skf18("3","4","7","10","4","10","1") = "9"
    & skf18("3","4","7","10","5","1","1") = "9"
    & skf18("3","4","7","10","5","2","1") = "9"
    & skf18("3","4","7","10","5","3","1") = "9"
    & skf18("3","4","7","10","5","4","1") = "9"
    & skf18("3","4","7","10","5","5","1") = "9"
    & skf18("3","4","7","10","5","6","1") = "9"
    & skf18("3","4","7","10","5","7","1") = "9"
    & skf18("3","4","7","10","5","8","1") = "9"
    & skf18("3","4","7","10","5","9","1") = "9"
    & skf18("3","4","7","10","5","10","1") = "9"
    & skf18("3","4","7","10","6","1","1") = "9"
    & skf18("3","4","7","10","6","2","1") = "9"
    & skf18("3","4","7","10","6","3","1") = "9"
    & skf18("3","4","7","10","6","4","1") = "9"
    & skf18("3","4","7","10","6","5","1") = "9"
    & skf18("3","4","7","10","6","6","1") = "9"
    & skf18("3","4","7","10","6","7","1") = "9"
    & skf18("3","4","7","10","6","8","1") = "9"
    & skf18("3","4","7","10","6","9","1") = "9"
    & skf18("3","4","7","10","6","10","1") = "9"
    & skf18("3","4","7","10","7","1","1") = "9"
    & skf18("3","4","7","10","7","2","1") = "9"
    & skf18("3","4","7","10","7","3","1") = "9"
    & skf18("3","4","7","10","7","4","1") = "9"
    & skf18("3","4","7","10","7","5","1") = "9"
    & skf18("3","4","7","10","7","6","1") = "9"
    & skf18("3","4","7","10","7","7","1") = "9"
    & skf18("3","4","7","10","7","8","1") = "9"
    & skf18("3","4","7","10","7","9","1") = "9"
    & skf18("3","4","7","10","7","10","1") = "9"
    & skf18("3","4","7","10","8","1","1") = "9"
    & skf18("3","4","7","10","8","2","1") = "9"
    & skf18("3","4","7","10","8","3","1") = "9"
    & skf18("3","4","7","10","8","4","1") = "9"
    & skf18("3","4","7","10","8","5","1") = "9"
    & skf18("3","4","7","10","8","6","1") = "9"
    & skf18("3","4","7","10","8","7","1") = "9"
    & skf18("3","4","7","10","8","8","1") = "9"
    & skf18("3","4","7","10","8","9","1") = "9"
    & skf18("3","4","7","10","8","10","1") = "9"
    & skf18("3","4","7","10","9","1","1") = "9"
    & skf18("3","4","7","10","9","2","1") = "9"
    & skf18("3","4","7","10","9","3","1") = "9"
    & skf18("3","4","7","10","9","4","1") = "9"
    & skf18("3","4","7","10","9","5","1") = "9"
    & skf18("3","4","7","10","9","6","1") = "9"
    & skf18("3","4","7","10","9","7","1") = "9"
    & skf18("3","4","7","10","9","8","1") = "9"
    & skf18("3","4","7","10","9","9","1") = "9"
    & skf18("3","4","7","10","9","10","1") = "9"
    & skf18("3","4","7","10","10","1","1") = "9"
    & skf18("3","4","7","10","10","2","1") = "9"
    & skf18("3","4","7","10","10","3","1") = "9"
    & skf18("3","4","7","10","10","4","1") = "9"
    & skf18("3","4","7","10","10","5","1") = "9"
    & skf18("3","4","7","10","10","6","1") = "9"
    & skf18("3","4","7","10","10","7","1") = "9"
    & skf18("3","4","7","10","10","8","1") = "9"
    & skf18("3","4","7","10","10","9","1") = "9"
    & skf18("3","4","7","10","10","10","1") = "9"
    & skf18("3","4","8","1","1","1","1") = "7"
    & skf18("3","4","8","1","1","2","1") = "7"
    & skf18("3","4","8","1","1","3","1") = "7"
    & skf18("3","4","8","1","1","4","1") = "7"
    & skf18("3","4","8","1","1","5","1") = "7"
    & skf18("3","4","8","1","1","6","1") = "7"
    & skf18("3","4","8","1","1","7","1") = "7"
    & skf18("3","4","8","1","1","8","1") = "7"
    & skf18("3","4","8","1","1","9","1") = "8"
    & skf18("3","4","8","1","1","10","1") = "9"
    & skf18("3","4","8","1","2","1","1") = "7"
    & skf18("3","4","8","1","2","2","1") = "7"
    & skf18("3","4","8","1","2","3","1") = "7"
    & skf18("3","4","8","1","2","4","1") = "7"
    & skf18("3","4","8","1","2","5","1") = "7"
    & skf18("3","4","8","1","2","6","1") = "7"
    & skf18("3","4","8","1","2","7","1") = "7"
    & skf18("3","4","8","1","2","8","1") = "7"
    & skf18("3","4","8","1","2","9","1") = "8"
    & skf18("3","4","8","1","2","10","1") = "9"
    & skf18("3","4","8","1","3","1","1") = "7"
    & skf18("3","4","8","1","3","2","1") = "7"
    & skf18("3","4","8","1","3","3","1") = "7"
    & skf18("3","4","8","1","3","4","1") = "7"
    & skf18("3","4","8","1","3","5","1") = "7"
    & skf18("3","4","8","1","3","6","1") = "7"
    & skf18("3","4","8","1","3","7","1") = "7"
    & skf18("3","4","8","1","3","8","1") = "7"
    & skf18("3","4","8","1","3","9","1") = "8"
    & skf18("3","4","8","1","3","10","1") = "9"
    & skf18("3","4","8","1","4","1","1") = "7"
    & skf18("3","4","8","1","4","2","1") = "7"
    & skf18("3","4","8","1","4","3","1") = "7"
    & skf18("3","4","8","1","4","4","1") = "7"
    & skf18("3","4","8","1","4","5","1") = "7"
    & skf18("3","4","8","1","4","6","1") = "7"
    & skf18("3","4","8","1","4","7","1") = "7"
    & skf18("3","4","8","1","4","8","1") = "7"
    & skf18("3","4","8","1","4","9","1") = "8"
    & skf18("3","4","8","1","4","10","1") = "9"
    & skf18("3","4","8","1","5","1","1") = "7"
    & skf18("3","4","8","1","5","2","1") = "7"
    & skf18("3","4","8","1","5","3","1") = "7"
    & skf18("3","4","8","1","5","4","1") = "7"
    & skf18("3","4","8","1","5","5","1") = "7"
    & skf18("3","4","8","1","5","6","1") = "7"
    & skf18("3","4","8","1","5","7","1") = "7"
    & skf18("3","4","8","1","5","8","1") = "7"
    & skf18("3","4","8","1","5","9","1") = "8"
    & skf18("3","4","8","1","5","10","1") = "9"
    & skf18("3","4","8","1","6","1","1") = "7"
    & skf18("3","4","8","1","6","2","1") = "7"
    & skf18("3","4","8","1","6","3","1") = "7"
    & skf18("3","4","8","1","6","4","1") = "7"
    & skf18("3","4","8","1","6","5","1") = "7"
    & skf18("3","4","8","1","6","6","1") = "7"
    & skf18("3","4","8","1","6","7","1") = "7"
    & skf18("3","4","8","1","6","8","1") = "7"
    & skf18("3","4","8","1","6","9","1") = "8"
    & skf18("3","4","8","1","6","10","1") = "9"
    & skf18("3","4","8","1","7","1","1") = "7"
    & skf18("3","4","8","1","7","2","1") = "7"
    & skf18("3","4","8","1","7","3","1") = "7"
    & skf18("3","4","8","1","7","4","1") = "7"
    & skf18("3","4","8","1","7","5","1") = "7"
    & skf18("3","4","8","1","7","6","1") = "7"
    & skf18("3","4","8","1","7","7","1") = "7"
    & skf18("3","4","8","1","7","8","1") = "7"
    & skf18("3","4","8","1","7","9","1") = "8"
    & skf18("3","4","8","1","7","10","1") = "9"
    & skf18("3","4","8","1","8","1","1") = "7"
    & skf18("3","4","8","1","8","2","1") = "7"
    & skf18("3","4","8","1","8","3","1") = "7"
    & skf18("3","4","8","1","8","4","1") = "7"
    & skf18("3","4","8","1","8","5","1") = "7"
    & skf18("3","4","8","1","8","6","1") = "7"
    & skf18("3","4","8","1","8","7","1") = "7"
    & skf18("3","4","8","1","8","8","1") = "7"
    & skf18("3","4","8","1","8","9","1") = "8"
    & skf18("3","4","8","1","8","10","1") = "9"
    & skf18("3","4","8","1","9","1","1") = "8"
    & skf18("3","4","8","1","9","2","1") = "8"
    & skf18("3","4","8","1","9","3","1") = "8"
    & skf18("3","4","8","1","9","4","1") = "8"
    & skf18("3","4","8","1","9","5","1") = "8"
    & skf18("3","4","8","1","9","6","1") = "8"
    & skf18("3","4","8","1","9","7","1") = "8"
    & skf18("3","4","8","1","9","8","1") = "8"
    & skf18("3","4","8","1","9","9","1") = "8"
    & skf18("3","4","8","1","9","10","1") = "9"
    & skf18("3","4","8","1","10","1","1") = "9"
    & skf18("3","4","8","1","10","2","1") = "9"
    & skf18("3","4","8","1","10","3","1") = "9"
    & skf18("3","4","8","1","10","4","1") = "9"
    & skf18("3","4","8","1","10","5","1") = "9"
    & skf18("3","4","8","1","10","6","1") = "9"
    & skf18("3","4","8","1","10","7","1") = "9"
    & skf18("3","4","8","1","10","8","1") = "9"
    & skf18("3","4","8","1","10","9","1") = "9"
    & skf18("3","4","8","1","10","10","1") = "9"
    & skf18("3","4","8","2","1","1","1") = "7"
    & skf18("3","4","8","2","1","2","1") = "7"
    & skf18("3","4","8","2","1","3","1") = "7"
    & skf18("3","4","8","2","1","4","1") = "7"
    & skf18("3","4","8","2","1","5","1") = "7"
    & skf18("3","4","8","2","1","6","1") = "7"
    & skf18("3","4","8","2","1","7","1") = "7"
    & skf18("3","4","8","2","1","8","1") = "7"
    & skf18("3","4","8","2","1","9","1") = "8"
    & skf18("3","4","8","2","1","10","1") = "9"
    & skf18("3","4","8","2","2","1","1") = "7"
    & skf18("3","4","8","2","2","2","1") = "7"
    & skf18("3","4","8","2","2","3","1") = "7"
    & skf18("3","4","8","2","2","4","1") = "7"
    & skf18("3","4","8","2","2","5","1") = "7"
    & skf18("3","4","8","2","2","6","1") = "7"
    & skf18("3","4","8","2","2","7","1") = "7"
    & skf18("3","4","8","2","2","8","1") = "7"
    & skf18("3","4","8","2","2","9","1") = "8"
    & skf18("3","4","8","2","2","10","1") = "9"
    & skf18("3","4","8","2","3","1","1") = "7"
    & skf18("3","4","8","2","3","2","1") = "7"
    & skf18("3","4","8","2","3","3","1") = "7"
    & skf18("3","4","8","2","3","4","1") = "7"
    & skf18("3","4","8","2","3","5","1") = "7"
    & skf18("3","4","8","2","3","6","1") = "7"
    & skf18("3","4","8","2","3","7","1") = "7"
    & skf18("3","4","8","2","3","8","1") = "7"
    & skf18("3","4","8","2","3","9","1") = "8"
    & skf18("3","4","8","2","3","10","1") = "9"
    & skf18("3","4","8","2","4","1","1") = "7"
    & skf18("3","4","8","2","4","2","1") = "7"
    & skf18("3","4","8","2","4","3","1") = "7"
    & skf18("3","4","8","2","4","4","1") = "7"
    & skf18("3","4","8","2","4","5","1") = "7"
    & skf18("3","4","8","2","4","6","1") = "7"
    & skf18("3","4","8","2","4","7","1") = "7"
    & skf18("3","4","8","2","4","8","1") = "7"
    & skf18("3","4","8","2","4","9","1") = "8"
    & skf18("3","4","8","2","4","10","1") = "9"
    & skf18("3","4","8","2","5","1","1") = "7"
    & skf18("3","4","8","2","5","2","1") = "7"
    & skf18("3","4","8","2","5","3","1") = "7"
    & skf18("3","4","8","2","5","4","1") = "7"
    & skf18("3","4","8","2","5","5","1") = "7"
    & skf18("3","4","8","2","5","6","1") = "7"
    & skf18("3","4","8","2","5","7","1") = "7"
    & skf18("3","4","8","2","5","8","1") = "7"
    & skf18("3","4","8","2","5","9","1") = "8"
    & skf18("3","4","8","2","5","10","1") = "9"
    & skf18("3","4","8","2","6","1","1") = "7"
    & skf18("3","4","8","2","6","2","1") = "7"
    & skf18("3","4","8","2","6","3","1") = "7"
    & skf18("3","4","8","2","6","4","1") = "7"
    & skf18("3","4","8","2","6","5","1") = "7"
    & skf18("3","4","8","2","6","6","1") = "7"
    & skf18("3","4","8","2","6","7","1") = "7"
    & skf18("3","4","8","2","6","8","1") = "7"
    & skf18("3","4","8","2","6","9","1") = "8"
    & skf18("3","4","8","2","6","10","1") = "9"
    & skf18("3","4","8","2","7","1","1") = "7"
    & skf18("3","4","8","2","7","2","1") = "7"
    & skf18("3","4","8","2","7","3","1") = "7"
    & skf18("3","4","8","2","7","4","1") = "7"
    & skf18("3","4","8","2","7","5","1") = "7"
    & skf18("3","4","8","2","7","6","1") = "7"
    & skf18("3","4","8","2","7","7","1") = "7"
    & skf18("3","4","8","2","7","8","1") = "7"
    & skf18("3","4","8","2","7","9","1") = "8"
    & skf18("3","4","8","2","7","10","1") = "9"
    & skf18("3","4","8","2","8","1","1") = "7"
    & skf18("3","4","8","2","8","2","1") = "7"
    & skf18("3","4","8","2","8","3","1") = "7"
    & skf18("3","4","8","2","8","4","1") = "7"
    & skf18("3","4","8","2","8","5","1") = "7"
    & skf18("3","4","8","2","8","6","1") = "7"
    & skf18("3","4","8","2","8","7","1") = "7"
    & skf18("3","4","8","2","8","8","1") = "7"
    & skf18("3","4","8","2","8","9","1") = "8"
    & skf18("3","4","8","2","8","10","1") = "9"
    & skf18("3","4","8","2","9","1","1") = "8"
    & skf18("3","4","8","2","9","2","1") = "8"
    & skf18("3","4","8","2","9","3","1") = "8"
    & skf18("3","4","8","2","9","4","1") = "8"
    & skf18("3","4","8","2","9","5","1") = "8"
    & skf18("3","4","8","2","9","6","1") = "8"
    & skf18("3","4","8","2","9","7","1") = "8"
    & skf18("3","4","8","2","9","8","1") = "8"
    & skf18("3","4","8","2","9","9","1") = "8"
    & skf18("3","4","8","2","9","10","1") = "9"
    & skf18("3","4","8","2","10","1","1") = "9"
    & skf18("3","4","8","2","10","2","1") = "9"
    & skf18("3","4","8","2","10","3","1") = "9"
    & skf18("3","4","8","2","10","4","1") = "9"
    & skf18("3","4","8","2","10","5","1") = "9"
    & skf18("3","4","8","2","10","6","1") = "9"
    & skf18("3","4","8","2","10","7","1") = "9"
    & skf18("3","4","8","2","10","8","1") = "9"
    & skf18("3","4","8","2","10","9","1") = "9"
    & skf18("3","4","8","2","10","10","1") = "9"
    & skf18("3","4","8","3","1","1","1") = "7"
    & skf18("3","4","8","3","1","2","1") = "7"
    & skf18("3","4","8","3","1","3","1") = "7"
    & skf18("3","4","8","3","1","4","1") = "7"
    & skf18("3","4","8","3","1","5","1") = "7"
    & skf18("3","4","8","3","1","6","1") = "7"
    & skf18("3","4","8","3","1","7","1") = "7"
    & skf18("3","4","8","3","1","8","1") = "7"
    & skf18("3","4","8","3","1","9","1") = "8"
    & skf18("3","4","8","3","1","10","1") = "9"
    & skf18("3","4","8","3","2","1","1") = "7"
    & skf18("3","4","8","3","2","2","1") = "7"
    & skf18("3","4","8","3","2","3","1") = "7"
    & skf18("3","4","8","3","2","4","1") = "7"
    & skf18("3","4","8","3","2","5","1") = "7"
    & skf18("3","4","8","3","2","6","1") = "7"
    & skf18("3","4","8","3","2","7","1") = "7"
    & skf18("3","4","8","3","2","8","1") = "7"
    & skf18("3","4","8","3","2","9","1") = "8"
    & skf18("3","4","8","3","2","10","1") = "9"
    & skf18("3","4","8","3","3","1","1") = "7"
    & skf18("3","4","8","3","3","2","1") = "7"
    & skf18("3","4","8","3","3","3","1") = "7"
    & skf18("3","4","8","3","3","4","1") = "7"
    & skf18("3","4","8","3","3","5","1") = "7"
    & skf18("3","4","8","3","3","6","1") = "7"
    & skf18("3","4","8","3","3","7","1") = "7"
    & skf18("3","4","8","3","3","8","1") = "7"
    & skf18("3","4","8","3","3","9","1") = "8"
    & skf18("3","4","8","3","3","10","1") = "9"
    & skf18("3","4","8","3","4","1","1") = "7"
    & skf18("3","4","8","3","4","2","1") = "7"
    & skf18("3","4","8","3","4","3","1") = "7"
    & skf18("3","4","8","3","4","4","1") = "7"
    & skf18("3","4","8","3","4","5","1") = "7"
    & skf18("3","4","8","3","4","6","1") = "7"
    & skf18("3","4","8","3","4","7","1") = "7"
    & skf18("3","4","8","3","4","8","1") = "7"
    & skf18("3","4","8","3","4","9","1") = "8"
    & skf18("3","4","8","3","4","10","1") = "9"
    & skf18("3","4","8","3","5","1","1") = "7"
    & skf18("3","4","8","3","5","2","1") = "7"
    & skf18("3","4","8","3","5","3","1") = "7"
    & skf18("3","4","8","3","5","4","1") = "7"
    & skf18("3","4","8","3","5","5","1") = "7"
    & skf18("3","4","8","3","5","6","1") = "7"
    & skf18("3","4","8","3","5","7","1") = "7"
    & skf18("3","4","8","3","5","8","1") = "7"
    & skf18("3","4","8","3","5","9","1") = "8"
    & skf18("3","4","8","3","5","10","1") = "9"
    & skf18("3","4","8","3","6","1","1") = "7"
    & skf18("3","4","8","3","6","2","1") = "7"
    & skf18("3","4","8","3","6","3","1") = "7"
    & skf18("3","4","8","3","6","4","1") = "7"
    & skf18("3","4","8","3","6","5","1") = "7"
    & skf18("3","4","8","3","6","6","1") = "7"
    & skf18("3","4","8","3","6","7","1") = "7"
    & skf18("3","4","8","3","6","8","1") = "7"
    & skf18("3","4","8","3","6","9","1") = "8"
    & skf18("3","4","8","3","6","10","1") = "9"
    & skf18("3","4","8","3","7","1","1") = "7"
    & skf18("3","4","8","3","7","2","1") = "7"
    & skf18("3","4","8","3","7","3","1") = "7"
    & skf18("3","4","8","3","7","4","1") = "7"
    & skf18("3","4","8","3","7","5","1") = "7"
    & skf18("3","4","8","3","7","6","1") = "7"
    & skf18("3","4","8","3","7","7","1") = "7"
    & skf18("3","4","8","3","7","8","1") = "7"
    & skf18("3","4","8","3","7","9","1") = "8"
    & skf18("3","4","8","3","7","10","1") = "9"
    & skf18("3","4","8","3","8","1","1") = "7"
    & skf18("3","4","8","3","8","2","1") = "7"
    & skf18("3","4","8","3","8","3","1") = "7"
    & skf18("3","4","8","3","8","4","1") = "7"
    & skf18("3","4","8","3","8","5","1") = "7"
    & skf18("3","4","8","3","8","6","1") = "7"
    & skf18("3","4","8","3","8","7","1") = "7"
    & skf18("3","4","8","3","8","8","1") = "7"
    & skf18("3","4","8","3","8","9","1") = "8"
    & skf18("3","4","8","3","8","10","1") = "9"
    & skf18("3","4","8","3","9","1","1") = "8"
    & skf18("3","4","8","3","9","2","1") = "8"
    & skf18("3","4","8","3","9","3","1") = "8"
    & skf18("3","4","8","3","9","4","1") = "8"
    & skf18("3","4","8","3","9","5","1") = "8"
    & skf18("3","4","8","3","9","6","1") = "8"
    & skf18("3","4","8","3","9","7","1") = "8"
    & skf18("3","4","8","3","9","8","1") = "8"
    & skf18("3","4","8","3","9","9","1") = "8"
    & skf18("3","4","8","3","9","10","1") = "9"
    & skf18("3","4","8","3","10","1","1") = "9"
    & skf18("3","4","8","3","10","2","1") = "9"
    & skf18("3","4","8","3","10","3","1") = "9"
    & skf18("3","4","8","3","10","4","1") = "9"
    & skf18("3","4","8","3","10","5","1") = "9"
    & skf18("3","4","8","3","10","6","1") = "9"
    & skf18("3","4","8","3","10","7","1") = "9"
    & skf18("3","4","8","3","10","8","1") = "9"
    & skf18("3","4","8","3","10","9","1") = "9"
    & skf18("3","4","8","3","10","10","1") = "9"
    & skf18("3","4","8","4","1","1","1") = "7"
    & skf18("3","4","8","4","1","2","1") = "7"
    & skf18("3","4","8","4","1","3","1") = "7"
    & skf18("3","4","8","4","1","4","1") = "7"
    & skf18("3","4","8","4","1","5","1") = "7"
    & skf18("3","4","8","4","1","6","1") = "7"
    & skf18("3","4","8","4","1","7","1") = "7"
    & skf18("3","4","8","4","1","8","1") = "7"
    & skf18("3","4","8","4","1","9","1") = "8"
    & skf18("3","4","8","4","1","10","1") = "9"
    & skf18("3","4","8","4","2","1","1") = "7"
    & skf18("3","4","8","4","2","2","1") = "7"
    & skf18("3","4","8","4","2","3","1") = "7"
    & skf18("3","4","8","4","2","4","1") = "7"
    & skf18("3","4","8","4","2","5","1") = "7"
    & skf18("3","4","8","4","2","6","1") = "7"
    & skf18("3","4","8","4","2","7","1") = "7"
    & skf18("3","4","8","4","2","8","1") = "7"
    & skf18("3","4","8","4","2","9","1") = "8"
    & skf18("3","4","8","4","2","10","1") = "9"
    & skf18("3","4","8","4","3","1","1") = "7"
    & skf18("3","4","8","4","3","2","1") = "7"
    & skf18("3","4","8","4","3","3","1") = "7"
    & skf18("3","4","8","4","3","4","1") = "7"
    & skf18("3","4","8","4","3","5","1") = "7"
    & skf18("3","4","8","4","3","6","1") = "7"
    & skf18("3","4","8","4","3","7","1") = "7"
    & skf18("3","4","8","4","3","8","1") = "7"
    & skf18("3","4","8","4","3","9","1") = "8"
    & skf18("3","4","8","4","3","10","1") = "9"
    & skf18("3","4","8","4","4","1","1") = "7"
    & skf18("3","4","8","4","4","2","1") = "7"
    & skf18("3","4","8","4","4","3","1") = "7"
    & skf18("3","4","8","4","4","4","1") = "7"
    & skf18("3","4","8","4","4","5","1") = "7"
    & skf18("3","4","8","4","4","6","1") = "7"
    & skf18("3","4","8","4","4","7","1") = "7"
    & skf18("3","4","8","4","4","8","1") = "7"
    & skf18("3","4","8","4","4","9","1") = "8"
    & skf18("3","4","8","4","4","10","1") = "9"
    & skf18("3","4","8","4","5","1","1") = "7"
    & skf18("3","4","8","4","5","2","1") = "7"
    & skf18("3","4","8","4","5","3","1") = "7"
    & skf18("3","4","8","4","5","4","1") = "7"
    & skf18("3","4","8","4","5","5","1") = "7"
    & skf18("3","4","8","4","5","6","1") = "7"
    & skf18("3","4","8","4","5","7","1") = "7"
    & skf18("3","4","8","4","5","8","1") = "7"
    & skf18("3","4","8","4","5","9","1") = "8"
    & skf18("3","4","8","4","5","10","1") = "9"
    & skf18("3","4","8","4","6","1","1") = "7"
    & skf18("3","4","8","4","6","2","1") = "7"
    & skf18("3","4","8","4","6","3","1") = "7"
    & skf18("3","4","8","4","6","4","1") = "7"
    & skf18("3","4","8","4","6","5","1") = "7"
    & skf18("3","4","8","4","6","6","1") = "7"
    & skf18("3","4","8","4","6","7","1") = "7"
    & skf18("3","4","8","4","6","8","1") = "7"
    & skf18("3","4","8","4","6","9","1") = "8"
    & skf18("3","4","8","4","6","10","1") = "9"
    & skf18("3","4","8","4","7","1","1") = "7"
    & skf18("3","4","8","4","7","2","1") = "7"
    & skf18("3","4","8","4","7","3","1") = "7"
    & skf18("3","4","8","4","7","4","1") = "7"
    & skf18("3","4","8","4","7","5","1") = "7"
    & skf18("3","4","8","4","7","6","1") = "7"
    & skf18("3","4","8","4","7","7","1") = "7"
    & skf18("3","4","8","4","7","8","1") = "7"
    & skf18("3","4","8","4","7","9","1") = "8"
    & skf18("3","4","8","4","7","10","1") = "9"
    & skf18("3","4","8","4","8","1","1") = "7"
    & skf18("3","4","8","4","8","2","1") = "7"
    & skf18("3","4","8","4","8","3","1") = "7"
    & skf18("3","4","8","4","8","4","1") = "7"
    & skf18("3","4","8","4","8","5","1") = "7"
    & skf18("3","4","8","4","8","6","1") = "7"
    & skf18("3","4","8","4","8","7","1") = "7"
    & skf18("3","4","8","4","8","8","1") = "7"
    & skf18("3","4","8","4","8","9","1") = "8"
    & skf18("3","4","8","4","8","10","1") = "9"
    & skf18("3","4","8","4","9","1","1") = "8"
    & skf18("3","4","8","4","9","2","1") = "8"
    & skf18("3","4","8","4","9","3","1") = "8"
    & skf18("3","4","8","4","9","4","1") = "8"
    & skf18("3","4","8","4","9","5","1") = "8"
    & skf18("3","4","8","4","9","6","1") = "8"
    & skf18("3","4","8","4","9","7","1") = "8"
    & skf18("3","4","8","4","9","8","1") = "8"
    & skf18("3","4","8","4","9","9","1") = "8"
    & skf18("3","4","8","4","9","10","1") = "9"
    & skf18("3","4","8","4","10","1","1") = "9"
    & skf18("3","4","8","4","10","2","1") = "9"
    & skf18("3","4","8","4","10","3","1") = "9"
    & skf18("3","4","8","4","10","4","1") = "9"
    & skf18("3","4","8","4","10","5","1") = "9"
    & skf18("3","4","8","4","10","6","1") = "9"
    & skf18("3","4","8","4","10","7","1") = "9"
    & skf18("3","4","8","4","10","8","1") = "9"
    & skf18("3","4","8","4","10","9","1") = "9"
    & skf18("3","4","8","4","10","10","1") = "9"
    & skf18("3","4","8","5","1","1","1") = "7"
    & skf18("3","4","8","5","1","2","1") = "7"
    & skf18("3","4","8","5","1","3","1") = "7"
    & skf18("3","4","8","5","1","4","1") = "7"
    & skf18("3","4","8","5","1","5","1") = "7"
    & skf18("3","4","8","5","1","6","1") = "7"
    & skf18("3","4","8","5","1","7","1") = "7"
    & skf18("3","4","8","5","1","8","1") = "7"
    & skf18("3","4","8","5","1","9","1") = "8"
    & skf18("3","4","8","5","1","10","1") = "9"
    & skf18("3","4","8","5","2","1","1") = "7"
    & skf18("3","4","8","5","2","2","1") = "7"
    & skf18("3","4","8","5","2","3","1") = "7"
    & skf18("3","4","8","5","2","4","1") = "7"
    & skf18("3","4","8","5","2","5","1") = "7"
    & skf18("3","4","8","5","2","6","1") = "7"
    & skf18("3","4","8","5","2","7","1") = "7"
    & skf18("3","4","8","5","2","8","1") = "7"
    & skf18("3","4","8","5","2","9","1") = "8"
    & skf18("3","4","8","5","2","10","1") = "9"
    & skf18("3","4","8","5","3","1","1") = "7"
    & skf18("3","4","8","5","3","2","1") = "7"
    & skf18("3","4","8","5","3","3","1") = "7"
    & skf18("3","4","8","5","3","4","1") = "7"
    & skf18("3","4","8","5","3","5","1") = "7"
    & skf18("3","4","8","5","3","6","1") = "7"
    & skf18("3","4","8","5","3","7","1") = "7"
    & skf18("3","4","8","5","3","8","1") = "7"
    & skf18("3","4","8","5","3","9","1") = "8"
    & skf18("3","4","8","5","3","10","1") = "9"
    & skf18("3","4","8","5","4","1","1") = "7"
    & skf18("3","4","8","5","4","2","1") = "7"
    & skf18("3","4","8","5","4","3","1") = "7"
    & skf18("3","4","8","5","4","4","1") = "7"
    & skf18("3","4","8","5","4","5","1") = "7"
    & skf18("3","4","8","5","4","6","1") = "7"
    & skf18("3","4","8","5","4","7","1") = "7"
    & skf18("3","4","8","5","4","8","1") = "7"
    & skf18("3","4","8","5","4","9","1") = "8"
    & skf18("3","4","8","5","4","10","1") = "9"
    & skf18("3","4","8","5","5","1","1") = "7"
    & skf18("3","4","8","5","5","2","1") = "7"
    & skf18("3","4","8","5","5","3","1") = "7"
    & skf18("3","4","8","5","5","4","1") = "7"
    & skf18("3","4","8","5","5","5","1") = "7"
    & skf18("3","4","8","5","5","6","1") = "7"
    & skf18("3","4","8","5","5","7","1") = "7"
    & skf18("3","4","8","5","5","8","1") = "7"
    & skf18("3","4","8","5","5","9","1") = "8"
    & skf18("3","4","8","5","5","10","1") = "9"
    & skf18("3","4","8","5","6","1","1") = "7"
    & skf18("3","4","8","5","6","2","1") = "7"
    & skf18("3","4","8","5","6","3","1") = "7"
    & skf18("3","4","8","5","6","4","1") = "7"
    & skf18("3","4","8","5","6","5","1") = "7"
    & skf18("3","4","8","5","6","6","1") = "7"
    & skf18("3","4","8","5","6","7","1") = "7"
    & skf18("3","4","8","5","6","8","1") = "7"
    & skf18("3","4","8","5","6","9","1") = "8"
    & skf18("3","4","8","5","6","10","1") = "9"
    & skf18("3","4","8","5","7","1","1") = "7"
    & skf18("3","4","8","5","7","2","1") = "7"
    & skf18("3","4","8","5","7","3","1") = "7"
    & skf18("3","4","8","5","7","4","1") = "7"
    & skf18("3","4","8","5","7","5","1") = "7"
    & skf18("3","4","8","5","7","6","1") = "7"
    & skf18("3","4","8","5","7","7","1") = "7"
    & skf18("3","4","8","5","7","8","1") = "7"
    & skf18("3","4","8","5","7","9","1") = "8"
    & skf18("3","4","8","5","7","10","1") = "9"
    & skf18("3","4","8","5","8","1","1") = "7"
    & skf18("3","4","8","5","8","2","1") = "7"
    & skf18("3","4","8","5","8","3","1") = "7"
    & skf18("3","4","8","5","8","4","1") = "7"
    & skf18("3","4","8","5","8","5","1") = "7"
    & skf18("3","4","8","5","8","6","1") = "7"
    & skf18("3","4","8","5","8","7","1") = "7"
    & skf18("3","4","8","5","8","8","1") = "7"
    & skf18("3","4","8","5","8","9","1") = "8"
    & skf18("3","4","8","5","8","10","1") = "9"
    & skf18("3","4","8","5","9","1","1") = "8"
    & skf18("3","4","8","5","9","2","1") = "8"
    & skf18("3","4","8","5","9","3","1") = "8"
    & skf18("3","4","8","5","9","4","1") = "8"
    & skf18("3","4","8","5","9","5","1") = "8"
    & skf18("3","4","8","5","9","6","1") = "8"
    & skf18("3","4","8","5","9","7","1") = "8"
    & skf18("3","4","8","5","9","8","1") = "8"
    & skf18("3","4","8","5","9","9","1") = "8"
    & skf18("3","4","8","5","9","10","1") = "9"
    & skf18("3","4","8","5","10","1","1") = "9"
    & skf18("3","4","8","5","10","2","1") = "9"
    & skf18("3","4","8","5","10","3","1") = "9"
    & skf18("3","4","8","5","10","4","1") = "9"
    & skf18("3","4","8","5","10","5","1") = "9"
    & skf18("3","4","8","5","10","6","1") = "9"
    & skf18("3","4","8","5","10","7","1") = "9"
    & skf18("3","4","8","5","10","8","1") = "9"
    & skf18("3","4","8","5","10","9","1") = "9"
    & skf18("3","4","8","5","10","10","1") = "9"
    & skf18("3","4","8","6","1","1","1") = "7"
    & skf18("3","4","8","6","1","2","1") = "7"
    & skf18("3","4","8","6","1","3","1") = "7"
    & skf18("3","4","8","6","1","4","1") = "7"
    & skf18("3","4","8","6","1","5","1") = "7"
    & skf18("3","4","8","6","1","6","1") = "7"
    & skf18("3","4","8","6","1","7","1") = "7"
    & skf18("3","4","8","6","1","8","1") = "7"
    & skf18("3","4","8","6","1","9","1") = "8"
    & skf18("3","4","8","6","1","10","1") = "9"
    & skf18("3","4","8","6","2","1","1") = "7"
    & skf18("3","4","8","6","2","2","1") = "7"
    & skf18("3","4","8","6","2","3","1") = "7"
    & skf18("3","4","8","6","2","4","1") = "7"
    & skf18("3","4","8","6","2","5","1") = "7"
    & skf18("3","4","8","6","2","6","1") = "7"
    & skf18("3","4","8","6","2","7","1") = "7"
    & skf18("3","4","8","6","2","8","1") = "7"
    & skf18("3","4","8","6","2","9","1") = "8"
    & skf18("3","4","8","6","2","10","1") = "9"
    & skf18("3","4","8","6","3","1","1") = "7"
    & skf18("3","4","8","6","3","2","1") = "7"
    & skf18("3","4","8","6","3","3","1") = "7"
    & skf18("3","4","8","6","3","4","1") = "7"
    & skf18("3","4","8","6","3","5","1") = "7"
    & skf18("3","4","8","6","3","6","1") = "7"
    & skf18("3","4","8","6","3","7","1") = "7"
    & skf18("3","4","8","6","3","8","1") = "7"
    & skf18("3","4","8","6","3","9","1") = "8"
    & skf18("3","4","8","6","3","10","1") = "9"
    & skf18("3","4","8","6","4","1","1") = "7"
    & skf18("3","4","8","6","4","2","1") = "7"
    & skf18("3","4","8","6","4","3","1") = "7"
    & skf18("3","4","8","6","4","4","1") = "7"
    & skf18("3","4","8","6","4","5","1") = "7"
    & skf18("3","4","8","6","4","6","1") = "7"
    & skf18("3","4","8","6","4","7","1") = "7"
    & skf18("3","4","8","6","4","8","1") = "7"
    & skf18("3","4","8","6","4","9","1") = "8"
    & skf18("3","4","8","6","4","10","1") = "9"
    & skf18("3","4","8","6","5","1","1") = "7"
    & skf18("3","4","8","6","5","2","1") = "7"
    & skf18("3","4","8","6","5","3","1") = "7"
    & skf18("3","4","8","6","5","4","1") = "7"
    & skf18("3","4","8","6","5","5","1") = "7"
    & skf18("3","4","8","6","5","6","1") = "7"
    & skf18("3","4","8","6","5","7","1") = "7"
    & skf18("3","4","8","6","5","8","1") = "7"
    & skf18("3","4","8","6","5","9","1") = "8"
    & skf18("3","4","8","6","5","10","1") = "9"
    & skf18("3","4","8","6","6","1","1") = "7"
    & skf18("3","4","8","6","6","2","1") = "7"
    & skf18("3","4","8","6","6","3","1") = "7"
    & skf18("3","4","8","6","6","4","1") = "7"
    & skf18("3","4","8","6","6","5","1") = "7"
    & skf18("3","4","8","6","6","6","1") = "7"
    & skf18("3","4","8","6","6","7","1") = "7"
    & skf18("3","4","8","6","6","8","1") = "7"
    & skf18("3","4","8","6","6","9","1") = "8"
    & skf18("3","4","8","6","6","10","1") = "9"
    & skf18("3","4","8","6","7","1","1") = "7"
    & skf18("3","4","8","6","7","2","1") = "7"
    & skf18("3","4","8","6","7","3","1") = "7"
    & skf18("3","4","8","6","7","4","1") = "7"
    & skf18("3","4","8","6","7","5","1") = "7"
    & skf18("3","4","8","6","7","6","1") = "7"
    & skf18("3","4","8","6","7","7","1") = "7"
    & skf18("3","4","8","6","7","8","1") = "7"
    & skf18("3","4","8","6","7","9","1") = "8"
    & skf18("3","4","8","6","7","10","1") = "9"
    & skf18("3","4","8","6","8","1","1") = "7"
    & skf18("3","4","8","6","8","2","1") = "7"
    & skf18("3","4","8","6","8","3","1") = "7"
    & skf18("3","4","8","6","8","4","1") = "7"
    & skf18("3","4","8","6","8","5","1") = "7"
    & skf18("3","4","8","6","8","6","1") = "7"
    & skf18("3","4","8","6","8","7","1") = "7"
    & skf18("3","4","8","6","8","8","1") = "7"
    & skf18("3","4","8","6","8","9","1") = "8"
    & skf18("3","4","8","6","8","10","1") = "9"
    & skf18("3","4","8","6","9","1","1") = "8"
    & skf18("3","4","8","6","9","2","1") = "8"
    & skf18("3","4","8","6","9","3","1") = "8"
    & skf18("3","4","8","6","9","4","1") = "8"
    & skf18("3","4","8","6","9","5","1") = "8"
    & skf18("3","4","8","6","9","6","1") = "8"
    & skf18("3","4","8","6","9","7","1") = "8"
    & skf18("3","4","8","6","9","8","1") = "8"
    & skf18("3","4","8","6","9","9","1") = "8"
    & skf18("3","4","8","6","9","10","1") = "9"
    & skf18("3","4","8","6","10","1","1") = "9"
    & skf18("3","4","8","6","10","2","1") = "9"
    & skf18("3","4","8","6","10","3","1") = "9"
    & skf18("3","4","8","6","10","4","1") = "9"
    & skf18("3","4","8","6","10","5","1") = "9"
    & skf18("3","4","8","6","10","6","1") = "9"
    & skf18("3","4","8","6","10","7","1") = "9"
    & skf18("3","4","8","6","10","8","1") = "9"
    & skf18("3","4","8","6","10","9","1") = "9"
    & skf18("3","4","8","6","10","10","1") = "9"
    & skf18("3","4","8","7","1","1","1") = "7"
    & skf18("3","4","8","7","1","2","1") = "7"
    & skf18("3","4","8","7","1","3","1") = "7"
    & skf18("3","4","8","7","1","4","1") = "7"
    & skf18("3","4","8","7","1","5","1") = "7"
    & skf18("3","4","8","7","1","6","1") = "7"
    & skf18("3","4","8","7","1","7","1") = "7"
    & skf18("3","4","8","7","1","8","1") = "7"
    & skf18("3","4","8","7","1","9","1") = "8"
    & skf18("3","4","8","7","1","10","1") = "9"
    & skf18("3","4","8","7","2","1","1") = "7"
    & skf18("3","4","8","7","2","2","1") = "7"
    & skf18("3","4","8","7","2","3","1") = "7"
    & skf18("3","4","8","7","2","4","1") = "7"
    & skf18("3","4","8","7","2","5","1") = "7"
    & skf18("3","4","8","7","2","6","1") = "7"
    & skf18("3","4","8","7","2","7","1") = "7"
    & skf18("3","4","8","7","2","8","1") = "7"
    & skf18("3","4","8","7","2","9","1") = "8"
    & skf18("3","4","8","7","2","10","1") = "9"
    & skf18("3","4","8","7","3","1","1") = "7"
    & skf18("3","4","8","7","3","2","1") = "7"
    & skf18("3","4","8","7","3","3","1") = "7"
    & skf18("3","4","8","7","3","4","1") = "7"
    & skf18("3","4","8","7","3","5","1") = "7"
    & skf18("3","4","8","7","3","6","1") = "7"
    & skf18("3","4","8","7","3","7","1") = "7"
    & skf18("3","4","8","7","3","8","1") = "7"
    & skf18("3","4","8","7","3","9","1") = "8"
    & skf18("3","4","8","7","3","10","1") = "9"
    & skf18("3","4","8","7","4","1","1") = "7"
    & skf18("3","4","8","7","4","2","1") = "7"
    & skf18("3","4","8","7","4","3","1") = "7"
    & skf18("3","4","8","7","4","4","1") = "7"
    & skf18("3","4","8","7","4","5","1") = "7"
    & skf18("3","4","8","7","4","6","1") = "7"
    & skf18("3","4","8","7","4","7","1") = "7"
    & skf18("3","4","8","7","4","8","1") = "7"
    & skf18("3","4","8","7","4","9","1") = "8"
    & skf18("3","4","8","7","4","10","1") = "9"
    & skf18("3","4","8","7","5","1","1") = "7"
    & skf18("3","4","8","7","5","2","1") = "7"
    & skf18("3","4","8","7","5","3","1") = "7"
    & skf18("3","4","8","7","5","4","1") = "7"
    & skf18("3","4","8","7","5","5","1") = "7"
    & skf18("3","4","8","7","5","6","1") = "7"
    & skf18("3","4","8","7","5","7","1") = "7"
    & skf18("3","4","8","7","5","8","1") = "7"
    & skf18("3","4","8","7","5","9","1") = "8"
    & skf18("3","4","8","7","5","10","1") = "9"
    & skf18("3","4","8","7","6","1","1") = "7"
    & skf18("3","4","8","7","6","2","1") = "7"
    & skf18("3","4","8","7","6","3","1") = "7"
    & skf18("3","4","8","7","6","4","1") = "7"
    & skf18("3","4","8","7","6","5","1") = "7"
    & skf18("3","4","8","7","6","6","1") = "7"
    & skf18("3","4","8","7","6","7","1") = "7"
    & skf18("3","4","8","7","6","8","1") = "7"
    & skf18("3","4","8","7","6","9","1") = "8"
    & skf18("3","4","8","7","6","10","1") = "9"
    & skf18("3","4","8","7","7","1","1") = "7"
    & skf18("3","4","8","7","7","2","1") = "7"
    & skf18("3","4","8","7","7","3","1") = "7"
    & skf18("3","4","8","7","7","4","1") = "7"
    & skf18("3","4","8","7","7","5","1") = "7"
    & skf18("3","4","8","7","7","6","1") = "7"
    & skf18("3","4","8","7","7","7","1") = "7"
    & skf18("3","4","8","7","7","8","1") = "7"
    & skf18("3","4","8","7","7","9","1") = "8"
    & skf18("3","4","8","7","7","10","1") = "9"
    & skf18("3","4","8","7","8","1","1") = "7"
    & skf18("3","4","8","7","8","2","1") = "7"
    & skf18("3","4","8","7","8","3","1") = "7"
    & skf18("3","4","8","7","8","4","1") = "7"
    & skf18("3","4","8","7","8","5","1") = "7"
    & skf18("3","4","8","7","8","6","1") = "7"
    & skf18("3","4","8","7","8","7","1") = "7"
    & skf18("3","4","8","7","8","8","1") = "7"
    & skf18("3","4","8","7","8","9","1") = "8"
    & skf18("3","4","8","7","8","10","1") = "9"
    & skf18("3","4","8","7","9","1","1") = "8"
    & skf18("3","4","8","7","9","2","1") = "8"
    & skf18("3","4","8","7","9","3","1") = "8"
    & skf18("3","4","8","7","9","4","1") = "8"
    & skf18("3","4","8","7","9","5","1") = "8"
    & skf18("3","4","8","7","9","6","1") = "8"
    & skf18("3","4","8","7","9","7","1") = "8"
    & skf18("3","4","8","7","9","8","1") = "8"
    & skf18("3","4","8","7","9","9","1") = "8"
    & skf18("3","4","8","7","9","10","1") = "9"
    & skf18("3","4","8","7","10","1","1") = "9"
    & skf18("3","4","8","7","10","2","1") = "9"
    & skf18("3","4","8","7","10","3","1") = "9"
    & skf18("3","4","8","7","10","4","1") = "9"
    & skf18("3","4","8","7","10","5","1") = "9"
    & skf18("3","4","8","7","10","6","1") = "9"
    & skf18("3","4","8","7","10","7","1") = "9"
    & skf18("3","4","8","7","10","8","1") = "9"
    & skf18("3","4","8","7","10","9","1") = "9"
    & skf18("3","4","8","7","10","10","1") = "9"
    & skf18("3","4","8","8","1","1","1") = "7"
    & skf18("3","4","8","8","1","2","1") = "7"
    & skf18("3","4","8","8","1","3","1") = "7"
    & skf18("3","4","8","8","1","4","1") = "7"
    & skf18("3","4","8","8","1","5","1") = "7"
    & skf18("3","4","8","8","1","6","1") = "7"
    & skf18("3","4","8","8","1","7","1") = "7"
    & skf18("3","4","8","8","1","8","1") = "7"
    & skf18("3","4","8","8","1","9","1") = "8"
    & skf18("3","4","8","8","1","10","1") = "9"
    & skf18("3","4","8","8","2","1","1") = "7"
    & skf18("3","4","8","8","2","2","1") = "7"
    & skf18("3","4","8","8","2","3","1") = "7"
    & skf18("3","4","8","8","2","4","1") = "7"
    & skf18("3","4","8","8","2","5","1") = "7"
    & skf18("3","4","8","8","2","6","1") = "7"
    & skf18("3","4","8","8","2","7","1") = "7"
    & skf18("3","4","8","8","2","8","1") = "7"
    & skf18("3","4","8","8","2","9","1") = "8"
    & skf18("3","4","8","8","2","10","1") = "9"
    & skf18("3","4","8","8","3","1","1") = "7"
    & skf18("3","4","8","8","3","2","1") = "7"
    & skf18("3","4","8","8","3","3","1") = "7"
    & skf18("3","4","8","8","3","4","1") = "7"
    & skf18("3","4","8","8","3","5","1") = "7"
    & skf18("3","4","8","8","3","6","1") = "7"
    & skf18("3","4","8","8","3","7","1") = "7"
    & skf18("3","4","8","8","3","8","1") = "7"
    & skf18("3","4","8","8","3","9","1") = "8"
    & skf18("3","4","8","8","3","10","1") = "9"
    & skf18("3","4","8","8","4","1","1") = "7"
    & skf18("3","4","8","8","4","2","1") = "7"
    & skf18("3","4","8","8","4","3","1") = "7"
    & skf18("3","4","8","8","4","4","1") = "7"
    & skf18("3","4","8","8","4","5","1") = "7"
    & skf18("3","4","8","8","4","6","1") = "7"
    & skf18("3","4","8","8","4","7","1") = "7"
    & skf18("3","4","8","8","4","8","1") = "7"
    & skf18("3","4","8","8","4","9","1") = "8"
    & skf18("3","4","8","8","4","10","1") = "9"
    & skf18("3","4","8","8","5","1","1") = "7"
    & skf18("3","4","8","8","5","2","1") = "7"
    & skf18("3","4","8","8","5","3","1") = "7"
    & skf18("3","4","8","8","5","4","1") = "7"
    & skf18("3","4","8","8","5","5","1") = "7"
    & skf18("3","4","8","8","5","6","1") = "7"
    & skf18("3","4","8","8","5","7","1") = "7"
    & skf18("3","4","8","8","5","8","1") = "7"
    & skf18("3","4","8","8","5","9","1") = "8"
    & skf18("3","4","8","8","5","10","1") = "9"
    & skf18("3","4","8","8","6","1","1") = "7"
    & skf18("3","4","8","8","6","2","1") = "7"
    & skf18("3","4","8","8","6","3","1") = "7"
    & skf18("3","4","8","8","6","4","1") = "7"
    & skf18("3","4","8","8","6","5","1") = "7"
    & skf18("3","4","8","8","6","6","1") = "7"
    & skf18("3","4","8","8","6","7","1") = "7"
    & skf18("3","4","8","8","6","8","1") = "7"
    & skf18("3","4","8","8","6","9","1") = "8"
    & skf18("3","4","8","8","6","10","1") = "9"
    & skf18("3","4","8","8","7","1","1") = "7"
    & skf18("3","4","8","8","7","2","1") = "7"
    & skf18("3","4","8","8","7","3","1") = "7"
    & skf18("3","4","8","8","7","4","1") = "7"
    & skf18("3","4","8","8","7","5","1") = "7"
    & skf18("3","4","8","8","7","6","1") = "7"
    & skf18("3","4","8","8","7","7","1") = "7"
    & skf18("3","4","8","8","7","8","1") = "7"
    & skf18("3","4","8","8","7","9","1") = "8"
    & skf18("3","4","8","8","7","10","1") = "9"
    & skf18("3","4","8","8","8","1","1") = "7"
    & skf18("3","4","8","8","8","2","1") = "7"
    & skf18("3","4","8","8","8","3","1") = "7"
    & skf18("3","4","8","8","8","4","1") = "7"
    & skf18("3","4","8","8","8","5","1") = "7"
    & skf18("3","4","8","8","8","6","1") = "7"
    & skf18("3","4","8","8","8","7","1") = "7"
    & skf18("3","4","8","8","8","8","1") = "7"
    & skf18("3","4","8","8","8","9","1") = "8"
    & skf18("3","4","8","8","8","10","1") = "9"
    & skf18("3","4","8","8","9","1","1") = "8"
    & skf18("3","4","8","8","9","2","1") = "8"
    & skf18("3","4","8","8","9","3","1") = "8"
    & skf18("3","4","8","8","9","4","1") = "8"
    & skf18("3","4","8","8","9","5","1") = "8"
    & skf18("3","4","8","8","9","6","1") = "8"
    & skf18("3","4","8","8","9","7","1") = "8"
    & skf18("3","4","8","8","9","8","1") = "8"
    & skf18("3","4","8","8","9","9","1") = "8"
    & skf18("3","4","8","8","9","10","1") = "9"
    & skf18("3","4","8","8","10","1","1") = "9"
    & skf18("3","4","8","8","10","2","1") = "9"
    & skf18("3","4","8","8","10","3","1") = "9"
    & skf18("3","4","8","8","10","4","1") = "9"
    & skf18("3","4","8","8","10","5","1") = "9"
    & skf18("3","4","8","8","10","6","1") = "9"
    & skf18("3","4","8","8","10","7","1") = "9"
    & skf18("3","4","8","8","10","8","1") = "9"
    & skf18("3","4","8","8","10","9","1") = "9"
    & skf18("3","4","8","8","10","10","1") = "9"
    & skf18("3","4","8","9","1","1","1") = "8"
    & skf18("3","4","8","9","1","2","1") = "8"
    & skf18("3","4","8","9","1","3","1") = "8"
    & skf18("3","4","8","9","1","4","1") = "8"
    & skf18("3","4","8","9","1","5","1") = "8"
    & skf18("3","4","8","9","1","6","1") = "8"
    & skf18("3","4","8","9","1","7","1") = "8"
    & skf18("3","4","8","9","1","8","1") = "8"
    & skf18("3","4","8","9","1","9","1") = "8"
    & skf18("3","4","8","9","1","10","1") = "9"
    & skf18("3","4","8","9","2","1","1") = "8"
    & skf18("3","4","8","9","2","2","1") = "8"
    & skf18("3","4","8","9","2","3","1") = "8"
    & skf18("3","4","8","9","2","4","1") = "8"
    & skf18("3","4","8","9","2","5","1") = "8"
    & skf18("3","4","8","9","2","6","1") = "8"
    & skf18("3","4","8","9","2","7","1") = "8"
    & skf18("3","4","8","9","2","8","1") = "8"
    & skf18("3","4","8","9","2","9","1") = "8"
    & skf18("3","4","8","9","2","10","1") = "9"
    & skf18("3","4","8","9","3","1","1") = "8"
    & skf18("3","4","8","9","3","2","1") = "8"
    & skf18("3","4","8","9","3","3","1") = "8"
    & skf18("3","4","8","9","3","4","1") = "8"
    & skf18("3","4","8","9","3","5","1") = "8"
    & skf18("3","4","8","9","3","6","1") = "8"
    & skf18("3","4","8","9","3","7","1") = "8"
    & skf18("3","4","8","9","3","8","1") = "8"
    & skf18("3","4","8","9","3","9","1") = "8"
    & skf18("3","4","8","9","3","10","1") = "9"
    & skf18("3","4","8","9","4","1","1") = "8"
    & skf18("3","4","8","9","4","2","1") = "8"
    & skf18("3","4","8","9","4","3","1") = "8"
    & skf18("3","4","8","9","4","4","1") = "8"
    & skf18("3","4","8","9","4","5","1") = "8"
    & skf18("3","4","8","9","4","6","1") = "8"
    & skf18("3","4","8","9","4","7","1") = "8"
    & skf18("3","4","8","9","4","8","1") = "8"
    & skf18("3","4","8","9","4","9","1") = "8"
    & skf18("3","4","8","9","4","10","1") = "9"
    & skf18("3","4","8","9","5","1","1") = "8"
    & skf18("3","4","8","9","5","2","1") = "8"
    & skf18("3","4","8","9","5","3","1") = "8"
    & skf18("3","4","8","9","5","4","1") = "8"
    & skf18("3","4","8","9","5","5","1") = "8"
    & skf18("3","4","8","9","5","6","1") = "8"
    & skf18("3","4","8","9","5","7","1") = "8"
    & skf18("3","4","8","9","5","8","1") = "8"
    & skf18("3","4","8","9","5","9","1") = "8"
    & skf18("3","4","8","9","5","10","1") = "9"
    & skf18("3","4","8","9","6","1","1") = "8"
    & skf18("3","4","8","9","6","2","1") = "8"
    & skf18("3","4","8","9","6","3","1") = "8"
    & skf18("3","4","8","9","6","4","1") = "8"
    & skf18("3","4","8","9","6","5","1") = "8"
    & skf18("3","4","8","9","6","6","1") = "8"
    & skf18("3","4","8","9","6","7","1") = "8"
    & skf18("3","4","8","9","6","8","1") = "8"
    & skf18("3","4","8","9","6","9","1") = "8"
    & skf18("3","4","8","9","6","10","1") = "9"
    & skf18("3","4","8","9","7","1","1") = "8"
    & skf18("3","4","8","9","7","2","1") = "8"
    & skf18("3","4","8","9","7","3","1") = "8"
    & skf18("3","4","8","9","7","4","1") = "8"
    & skf18("3","4","8","9","7","5","1") = "8"
    & skf18("3","4","8","9","7","6","1") = "8"
    & skf18("3","4","8","9","7","7","1") = "8"
    & skf18("3","4","8","9","7","8","1") = "8"
    & skf18("3","4","8","9","7","9","1") = "8"
    & skf18("3","4","8","9","7","10","1") = "9"
    & skf18("3","4","8","9","8","1","1") = "8"
    & skf18("3","4","8","9","8","2","1") = "8"
    & skf18("3","4","8","9","8","3","1") = "8"
    & skf18("3","4","8","9","8","4","1") = "8"
    & skf18("3","4","8","9","8","5","1") = "8"
    & skf18("3","4","8","9","8","6","1") = "8"
    & skf18("3","4","8","9","8","7","1") = "8"
    & skf18("3","4","8","9","8","8","1") = "8"
    & skf18("3","4","8","9","8","9","1") = "8"
    & skf18("3","4","8","9","8","10","1") = "9"
    & skf18("3","4","8","9","9","1","1") = "8"
    & skf18("3","4","8","9","9","2","1") = "8"
    & skf18("3","4","8","9","9","3","1") = "8"
    & skf18("3","4","8","9","9","4","1") = "8"
    & skf18("3","4","8","9","9","5","1") = "8"
    & skf18("3","4","8","9","9","6","1") = "8"
    & skf18("3","4","8","9","9","7","1") = "8"
    & skf18("3","4","8","9","9","8","1") = "8"
    & skf18("3","4","8","9","9","9","1") = "8"
    & skf18("3","4","8","9","9","10","1") = "9"
    & skf18("3","4","8","9","10","1","1") = "9"
    & skf18("3","4","8","9","10","2","1") = "9"
    & skf18("3","4","8","9","10","3","1") = "9"
    & skf18("3","4","8","9","10","4","1") = "9"
    & skf18("3","4","8","9","10","5","1") = "9"
    & skf18("3","4","8","9","10","6","1") = "9"
    & skf18("3","4","8","9","10","7","1") = "9"
    & skf18("3","4","8","9","10","8","1") = "9"
    & skf18("3","4","8","9","10","9","1") = "9"
    & skf18("3","4","8","9","10","10","1") = "9"
    & skf18("3","4","8","10","1","1","1") = "9"
    & skf18("3","4","8","10","1","2","1") = "9"
    & skf18("3","4","8","10","1","3","1") = "9"
    & skf18("3","4","8","10","1","4","1") = "9"
    & skf18("3","4","8","10","1","5","1") = "9"
    & skf18("3","4","8","10","1","6","1") = "9"
    & skf18("3","4","8","10","1","7","1") = "9"
    & skf18("3","4","8","10","1","8","1") = "9"
    & skf18("3","4","8","10","1","9","1") = "9"
    & skf18("3","4","8","10","1","10","1") = "9"
    & skf18("3","4","8","10","2","1","1") = "9"
    & skf18("3","4","8","10","2","2","1") = "9"
    & skf18("3","4","8","10","2","3","1") = "9"
    & skf18("3","4","8","10","2","4","1") = "9"
    & skf18("3","4","8","10","2","5","1") = "9"
    & skf18("3","4","8","10","2","6","1") = "9"
    & skf18("3","4","8","10","2","7","1") = "9"
    & skf18("3","4","8","10","2","8","1") = "9"
    & skf18("3","4","8","10","2","9","1") = "9"
    & skf18("3","4","8","10","2","10","1") = "9"
    & skf18("3","4","8","10","3","1","1") = "9"
    & skf18("3","4","8","10","3","2","1") = "9"
    & skf18("3","4","8","10","3","3","1") = "9"
    & skf18("3","4","8","10","3","4","1") = "9"
    & skf18("3","4","8","10","3","5","1") = "9"
    & skf18("3","4","8","10","3","6","1") = "9"
    & skf18("3","4","8","10","3","7","1") = "9"
    & skf18("3","4","8","10","3","8","1") = "9"
    & skf18("3","4","8","10","3","9","1") = "9"
    & skf18("3","4","8","10","3","10","1") = "9"
    & skf18("3","4","8","10","4","1","1") = "9"
    & skf18("3","4","8","10","4","2","1") = "9"
    & skf18("3","4","8","10","4","3","1") = "9"
    & skf18("3","4","8","10","4","4","1") = "9"
    & skf18("3","4","8","10","4","5","1") = "9"
    & skf18("3","4","8","10","4","6","1") = "9"
    & skf18("3","4","8","10","4","7","1") = "9"
    & skf18("3","4","8","10","4","8","1") = "9"
    & skf18("3","4","8","10","4","9","1") = "9"
    & skf18("3","4","8","10","4","10","1") = "9"
    & skf18("3","4","8","10","5","1","1") = "9"
    & skf18("3","4","8","10","5","2","1") = "9"
    & skf18("3","4","8","10","5","3","1") = "9"
    & skf18("3","4","8","10","5","4","1") = "9"
    & skf18("3","4","8","10","5","5","1") = "9"
    & skf18("3","4","8","10","5","6","1") = "9"
    & skf18("3","4","8","10","5","7","1") = "9"
    & skf18("3","4","8","10","5","8","1") = "9"
    & skf18("3","4","8","10","5","9","1") = "9"
    & skf18("3","4","8","10","5","10","1") = "9"
    & skf18("3","4","8","10","6","1","1") = "9"
    & skf18("3","4","8","10","6","2","1") = "9"
    & skf18("3","4","8","10","6","3","1") = "9"
    & skf18("3","4","8","10","6","4","1") = "9"
    & skf18("3","4","8","10","6","5","1") = "9"
    & skf18("3","4","8","10","6","6","1") = "9"
    & skf18("3","4","8","10","6","7","1") = "9"
    & skf18("3","4","8","10","6","8","1") = "9"
    & skf18("3","4","8","10","6","9","1") = "9"
    & skf18("3","4","8","10","6","10","1") = "9"
    & skf18("3","4","8","10","7","1","1") = "9"
    & skf18("3","4","8","10","7","2","1") = "9"
    & skf18("3","4","8","10","7","3","1") = "9"
    & skf18("3","4","8","10","7","4","1") = "9"
    & skf18("3","4","8","10","7","5","1") = "9"
    & skf18("3","4","8","10","7","6","1") = "9"
    & skf18("3","4","8","10","7","7","1") = "9"
    & skf18("3","4","8","10","7","8","1") = "9"
    & skf18("3","4","8","10","7","9","1") = "9"
    & skf18("3","4","8","10","7","10","1") = "9"
    & skf18("3","4","8","10","8","1","1") = "9"
    & skf18("3","4","8","10","8","2","1") = "9"
    & skf18("3","4","8","10","8","3","1") = "9"
    & skf18("3","4","8","10","8","4","1") = "9"
    & skf18("3","4","8","10","8","5","1") = "9"
    & skf18("3","4","8","10","8","6","1") = "9"
    & skf18("3","4","8","10","8","7","1") = "9"
    & skf18("3","4","8","10","8","8","1") = "9"
    & skf18("3","4","8","10","8","9","1") = "9"
    & skf18("3","4","8","10","8","10","1") = "9"
    & skf18("3","4","8","10","9","1","1") = "9"
    & skf18("3","4","8","10","9","2","1") = "9"
    & skf18("3","4","8","10","9","3","1") = "9"
    & skf18("3","4","8","10","9","4","1") = "9"
    & skf18("3","4","8","10","9","5","1") = "9"
    & skf18("3","4","8","10","9","6","1") = "9"
    & skf18("3","4","8","10","9","7","1") = "9"
    & skf18("3","4","8","10","9","8","1") = "9"
    & skf18("3","4","8","10","9","9","1") = "9"
    & skf18("3","4","8","10","9","10","1") = "9"
    & skf18("3","4","8","10","10","1","1") = "9"
    & skf18("3","4","8","10","10","2","1") = "9"
    & skf18("3","4","8","10","10","3","1") = "9"
    & skf18("3","4","8","10","10","4","1") = "9"
    & skf18("3","4","8","10","10","5","1") = "9"
    & skf18("3","4","8","10","10","6","1") = "9"
    & skf18("3","4","8","10","10","7","1") = "9"
    & skf18("3","4","8","10","10","8","1") = "9"
    & skf18("3","4","8","10","10","9","1") = "9"
    & skf18("3","4","8","10","10","10","1") = "9"
    & skf18("3","4","9","1","1","1","1") = "8"
    & skf18("3","4","9","1","1","2","1") = "8"
    & skf18("3","4","9","1","1","3","1") = "8"
    & skf18("3","4","9","1","1","4","1") = "8"
    & skf18("3","4","9","1","1","5","1") = "8"
    & skf18("3","4","9","1","1","6","1") = "8"
    & skf18("3","4","9","1","1","7","1") = "8"
    & skf18("3","4","9","1","1","8","1") = "8"
    & skf18("3","4","9","1","1","9","1") = "8"
    & skf18("3","4","9","1","1","10","1") = "9"
    & skf18("3","4","9","1","2","1","1") = "8"
    & skf18("3","4","9","1","2","2","1") = "8"
    & skf18("3","4","9","1","2","3","1") = "8"
    & skf18("3","4","9","1","2","4","1") = "8"
    & skf18("3","4","9","1","2","5","1") = "8"
    & skf18("3","4","9","1","2","6","1") = "8"
    & skf18("3","4","9","1","2","7","1") = "8"
    & skf18("3","4","9","1","2","8","1") = "8"
    & skf18("3","4","9","1","2","9","1") = "8"
    & skf18("3","4","9","1","2","10","1") = "9"
    & skf18("3","4","9","1","3","1","1") = "8"
    & skf18("3","4","9","1","3","2","1") = "8"
    & skf18("3","4","9","1","3","3","1") = "8"
    & skf18("3","4","9","1","3","4","1") = "8"
    & skf18("3","4","9","1","3","5","1") = "8"
    & skf18("3","4","9","1","3","6","1") = "8"
    & skf18("3","4","9","1","3","7","1") = "8"
    & skf18("3","4","9","1","3","8","1") = "8"
    & skf18("3","4","9","1","3","9","1") = "8"
    & skf18("3","4","9","1","3","10","1") = "9"
    & skf18("3","4","9","1","4","1","1") = "8"
    & skf18("3","4","9","1","4","2","1") = "8"
    & skf18("3","4","9","1","4","3","1") = "8"
    & skf18("3","4","9","1","4","4","1") = "8"
    & skf18("3","4","9","1","4","5","1") = "8"
    & skf18("3","4","9","1","4","6","1") = "8"
    & skf18("3","4","9","1","4","7","1") = "8"
    & skf18("3","4","9","1","4","8","1") = "8"
    & skf18("3","4","9","1","4","9","1") = "8"
    & skf18("3","4","9","1","4","10","1") = "9"
    & skf18("3","4","9","1","5","1","1") = "8"
    & skf18("3","4","9","1","5","2","1") = "8"
    & skf18("3","4","9","1","5","3","1") = "8"
    & skf18("3","4","9","1","5","4","1") = "8"
    & skf18("3","4","9","1","5","5","1") = "8"
    & skf18("3","4","9","1","5","6","1") = "8"
    & skf18("3","4","9","1","5","7","1") = "8"
    & skf18("3","4","9","1","5","8","1") = "8"
    & skf18("3","4","9","1","5","9","1") = "8"
    & skf18("3","4","9","1","5","10","1") = "9"
    & skf18("3","4","9","1","6","1","1") = "8"
    & skf18("3","4","9","1","6","2","1") = "8"
    & skf18("3","4","9","1","6","3","1") = "8"
    & skf18("3","4","9","1","6","4","1") = "8"
    & skf18("3","4","9","1","6","5","1") = "8"
    & skf18("3","4","9","1","6","6","1") = "8"
    & skf18("3","4","9","1","6","7","1") = "8"
    & skf18("3","4","9","1","6","8","1") = "8"
    & skf18("3","4","9","1","6","9","1") = "8"
    & skf18("3","4","9","1","6","10","1") = "9"
    & skf18("3","4","9","1","7","1","1") = "8"
    & skf18("3","4","9","1","7","2","1") = "8"
    & skf18("3","4","9","1","7","3","1") = "8"
    & skf18("3","4","9","1","7","4","1") = "8"
    & skf18("3","4","9","1","7","5","1") = "8"
    & skf18("3","4","9","1","7","6","1") = "8"
    & skf18("3","4","9","1","7","7","1") = "8"
    & skf18("3","4","9","1","7","8","1") = "8"
    & skf18("3","4","9","1","7","9","1") = "8"
    & skf18("3","4","9","1","7","10","1") = "9"
    & skf18("3","4","9","1","8","1","1") = "8"
    & skf18("3","4","9","1","8","2","1") = "8"
    & skf18("3","4","9","1","8","3","1") = "8"
    & skf18("3","4","9","1","8","4","1") = "8"
    & skf18("3","4","9","1","8","5","1") = "8"
    & skf18("3","4","9","1","8","6","1") = "8"
    & skf18("3","4","9","1","8","7","1") = "8"
    & skf18("3","4","9","1","8","8","1") = "8"
    & skf18("3","4","9","1","8","9","1") = "8"
    & skf18("3","4","9","1","8","10","1") = "9"
    & skf18("3","4","9","1","9","1","1") = "8"
    & skf18("3","4","9","1","9","2","1") = "8"
    & skf18("3","4","9","1","9","3","1") = "8"
    & skf18("3","4","9","1","9","4","1") = "8"
    & skf18("3","4","9","1","9","5","1") = "8"
    & skf18("3","4","9","1","9","6","1") = "8"
    & skf18("3","4","9","1","9","7","1") = "8"
    & skf18("3","4","9","1","9","8","1") = "8"
    & skf18("3","4","9","1","9","9","1") = "8"
    & skf18("3","4","9","1","9","10","1") = "9"
    & skf18("3","4","9","1","10","1","1") = "9"
    & skf18("3","4","9","1","10","2","1") = "9"
    & skf18("3","4","9","1","10","3","1") = "9"
    & skf18("3","4","9","1","10","4","1") = "9"
    & skf18("3","4","9","1","10","5","1") = "9"
    & skf18("3","4","9","1","10","6","1") = "9"
    & skf18("3","4","9","1","10","7","1") = "9"
    & skf18("3","4","9","1","10","8","1") = "9"
    & skf18("3","4","9","1","10","9","1") = "9"
    & skf18("3","4","9","1","10","10","1") = "9"
    & skf18("3","4","9","2","1","1","1") = "8"
    & skf18("3","4","9","2","1","2","1") = "8"
    & skf18("3","4","9","2","1","3","1") = "8"
    & skf18("3","4","9","2","1","4","1") = "8"
    & skf18("3","4","9","2","1","5","1") = "8"
    & skf18("3","4","9","2","1","6","1") = "8"
    & skf18("3","4","9","2","1","7","1") = "8"
    & skf18("3","4","9","2","1","8","1") = "8"
    & skf18("3","4","9","2","1","9","1") = "8"
    & skf18("3","4","9","2","1","10","1") = "9"
    & skf18("3","4","9","2","2","1","1") = "8"
    & skf18("3","4","9","2","2","2","1") = "8"
    & skf18("3","4","9","2","2","3","1") = "8"
    & skf18("3","4","9","2","2","4","1") = "8"
    & skf18("3","4","9","2","2","5","1") = "8"
    & skf18("3","4","9","2","2","6","1") = "8"
    & skf18("3","4","9","2","2","7","1") = "8"
    & skf18("3","4","9","2","2","8","1") = "8"
    & skf18("3","4","9","2","2","9","1") = "8"
    & skf18("3","4","9","2","2","10","1") = "9"
    & skf18("3","4","9","2","3","1","1") = "8"
    & skf18("3","4","9","2","3","2","1") = "8"
    & skf18("3","4","9","2","3","3","1") = "8"
    & skf18("3","4","9","2","3","4","1") = "8"
    & skf18("3","4","9","2","3","5","1") = "8"
    & skf18("3","4","9","2","3","6","1") = "8"
    & skf18("3","4","9","2","3","7","1") = "8"
    & skf18("3","4","9","2","3","8","1") = "8"
    & skf18("3","4","9","2","3","9","1") = "8"
    & skf18("3","4","9","2","3","10","1") = "9"
    & skf18("3","4","9","2","4","1","1") = "8"
    & skf18("3","4","9","2","4","2","1") = "8"
    & skf18("3","4","9","2","4","3","1") = "8"
    & skf18("3","4","9","2","4","4","1") = "8"
    & skf18("3","4","9","2","4","5","1") = "8"
    & skf18("3","4","9","2","4","6","1") = "8"
    & skf18("3","4","9","2","4","7","1") = "8"
    & skf18("3","4","9","2","4","8","1") = "8"
    & skf18("3","4","9","2","4","9","1") = "8"
    & skf18("3","4","9","2","4","10","1") = "9"
    & skf18("3","4","9","2","5","1","1") = "8"
    & skf18("3","4","9","2","5","2","1") = "8"
    & skf18("3","4","9","2","5","3","1") = "8"
    & skf18("3","4","9","2","5","4","1") = "8"
    & skf18("3","4","9","2","5","5","1") = "8"
    & skf18("3","4","9","2","5","6","1") = "8"
    & skf18("3","4","9","2","5","7","1") = "8"
    & skf18("3","4","9","2","5","8","1") = "8"
    & skf18("3","4","9","2","5","9","1") = "8"
    & skf18("3","4","9","2","5","10","1") = "9"
    & skf18("3","4","9","2","6","1","1") = "8"
    & skf18("3","4","9","2","6","2","1") = "8"
    & skf18("3","4","9","2","6","3","1") = "8"
    & skf18("3","4","9","2","6","4","1") = "8"
    & skf18("3","4","9","2","6","5","1") = "8"
    & skf18("3","4","9","2","6","6","1") = "8"
    & skf18("3","4","9","2","6","7","1") = "8"
    & skf18("3","4","9","2","6","8","1") = "8"
    & skf18("3","4","9","2","6","9","1") = "8"
    & skf18("3","4","9","2","6","10","1") = "9"
    & skf18("3","4","9","2","7","1","1") = "8"
    & skf18("3","4","9","2","7","2","1") = "8"
    & skf18("3","4","9","2","7","3","1") = "8"
    & skf18("3","4","9","2","7","4","1") = "8"
    & skf18("3","4","9","2","7","5","1") = "8"
    & skf18("3","4","9","2","7","6","1") = "8"
    & skf18("3","4","9","2","7","7","1") = "8"
    & skf18("3","4","9","2","7","8","1") = "8"
    & skf18("3","4","9","2","7","9","1") = "8"
    & skf18("3","4","9","2","7","10","1") = "9"
    & skf18("3","4","9","2","8","1","1") = "8"
    & skf18("3","4","9","2","8","2","1") = "8"
    & skf18("3","4","9","2","8","3","1") = "8"
    & skf18("3","4","9","2","8","4","1") = "8"
    & skf18("3","4","9","2","8","5","1") = "8"
    & skf18("3","4","9","2","8","6","1") = "8"
    & skf18("3","4","9","2","8","7","1") = "8"
    & skf18("3","4","9","2","8","8","1") = "8"
    & skf18("3","4","9","2","8","9","1") = "8"
    & skf18("3","4","9","2","8","10","1") = "9"
    & skf18("3","4","9","2","9","1","1") = "8"
    & skf18("3","4","9","2","9","2","1") = "8"
    & skf18("3","4","9","2","9","3","1") = "8"
    & skf18("3","4","9","2","9","4","1") = "8"
    & skf18("3","4","9","2","9","5","1") = "8"
    & skf18("3","4","9","2","9","6","1") = "8"
    & skf18("3","4","9","2","9","7","1") = "8"
    & skf18("3","4","9","2","9","8","1") = "8"
    & skf18("3","4","9","2","9","9","1") = "8"
    & skf18("3","4","9","2","9","10","1") = "9"
    & skf18("3","4","9","2","10","1","1") = "9"
    & skf18("3","4","9","2","10","2","1") = "9"
    & skf18("3","4","9","2","10","3","1") = "9"
    & skf18("3","4","9","2","10","4","1") = "9"
    & skf18("3","4","9","2","10","5","1") = "9"
    & skf18("3","4","9","2","10","6","1") = "9"
    & skf18("3","4","9","2","10","7","1") = "9"
    & skf18("3","4","9","2","10","8","1") = "9"
    & skf18("3","4","9","2","10","9","1") = "9"
    & skf18("3","4","9","2","10","10","1") = "9"
    & skf18("3","4","9","3","1","1","1") = "8"
    & skf18("3","4","9","3","1","2","1") = "8"
    & skf18("3","4","9","3","1","3","1") = "8"
    & skf18("3","4","9","3","1","4","1") = "8"
    & skf18("3","4","9","3","1","5","1") = "8"
    & skf18("3","4","9","3","1","6","1") = "8"
    & skf18("3","4","9","3","1","7","1") = "8"
    & skf18("3","4","9","3","1","8","1") = "8"
    & skf18("3","4","9","3","1","9","1") = "8"
    & skf18("3","4","9","3","1","10","1") = "9"
    & skf18("3","4","9","3","2","1","1") = "8"
    & skf18("3","4","9","3","2","2","1") = "8"
    & skf18("3","4","9","3","2","3","1") = "8"
    & skf18("3","4","9","3","2","4","1") = "8"
    & skf18("3","4","9","3","2","5","1") = "8"
    & skf18("3","4","9","3","2","6","1") = "8"
    & skf18("3","4","9","3","2","7","1") = "8"
    & skf18("3","4","9","3","2","8","1") = "8"
    & skf18("3","4","9","3","2","9","1") = "8"
    & skf18("3","4","9","3","2","10","1") = "9"
    & skf18("3","4","9","3","3","1","1") = "8"
    & skf18("3","4","9","3","3","2","1") = "8"
    & skf18("3","4","9","3","3","3","1") = "8"
    & skf18("3","4","9","3","3","4","1") = "8"
    & skf18("3","4","9","3","3","5","1") = "8"
    & skf18("3","4","9","3","3","6","1") = "8"
    & skf18("3","4","9","3","3","7","1") = "8"
    & skf18("3","4","9","3","3","8","1") = "8"
    & skf18("3","4","9","3","3","9","1") = "8"
    & skf18("3","4","9","3","3","10","1") = "9"
    & skf18("3","4","9","3","4","1","1") = "8"
    & skf18("3","4","9","3","4","2","1") = "8"
    & skf18("3","4","9","3","4","3","1") = "8"
    & skf18("3","4","9","3","4","4","1") = "8"
    & skf18("3","4","9","3","4","5","1") = "8"
    & skf18("3","4","9","3","4","6","1") = "8"
    & skf18("3","4","9","3","4","7","1") = "8"
    & skf18("3","4","9","3","4","8","1") = "8"
    & skf18("3","4","9","3","4","9","1") = "8"
    & skf18("3","4","9","3","4","10","1") = "9"
    & skf18("3","4","9","3","5","1","1") = "8"
    & skf18("3","4","9","3","5","2","1") = "8"
    & skf18("3","4","9","3","5","3","1") = "8"
    & skf18("3","4","9","3","5","4","1") = "8"
    & skf18("3","4","9","3","5","5","1") = "8"
    & skf18("3","4","9","3","5","6","1") = "8"
    & skf18("3","4","9","3","5","7","1") = "8"
    & skf18("3","4","9","3","5","8","1") = "8"
    & skf18("3","4","9","3","5","9","1") = "8"
    & skf18("3","4","9","3","5","10","1") = "9"
    & skf18("3","4","9","3","6","1","1") = "8"
    & skf18("3","4","9","3","6","2","1") = "8"
    & skf18("3","4","9","3","6","3","1") = "8"
    & skf18("3","4","9","3","6","4","1") = "8"
    & skf18("3","4","9","3","6","5","1") = "8"
    & skf18("3","4","9","3","6","6","1") = "8"
    & skf18("3","4","9","3","6","7","1") = "8"
    & skf18("3","4","9","3","6","8","1") = "8"
    & skf18("3","4","9","3","6","9","1") = "8"
    & skf18("3","4","9","3","6","10","1") = "9"
    & skf18("3","4","9","3","7","1","1") = "8"
    & skf18("3","4","9","3","7","2","1") = "8"
    & skf18("3","4","9","3","7","3","1") = "8"
    & skf18("3","4","9","3","7","4","1") = "8"
    & skf18("3","4","9","3","7","5","1") = "8"
    & skf18("3","4","9","3","7","6","1") = "8"
    & skf18("3","4","9","3","7","7","1") = "8"
    & skf18("3","4","9","3","7","8","1") = "8"
    & skf18("3","4","9","3","7","9","1") = "8"
    & skf18("3","4","9","3","7","10","1") = "9"
    & skf18("3","4","9","3","8","1","1") = "8"
    & skf18("3","4","9","3","8","2","1") = "8"
    & skf18("3","4","9","3","8","3","1") = "8"
    & skf18("3","4","9","3","8","4","1") = "8"
    & skf18("3","4","9","3","8","5","1") = "8"
    & skf18("3","4","9","3","8","6","1") = "8"
    & skf18("3","4","9","3","8","7","1") = "8"
    & skf18("3","4","9","3","8","8","1") = "8"
    & skf18("3","4","9","3","8","9","1") = "8"
    & skf18("3","4","9","3","8","10","1") = "9"
    & skf18("3","4","9","3","9","1","1") = "8"
    & skf18("3","4","9","3","9","2","1") = "8"
    & skf18("3","4","9","3","9","3","1") = "8"
    & skf18("3","4","9","3","9","4","1") = "8"
    & skf18("3","4","9","3","9","5","1") = "8"
    & skf18("3","4","9","3","9","6","1") = "8"
    & skf18("3","4","9","3","9","7","1") = "8"
    & skf18("3","4","9","3","9","8","1") = "8"
    & skf18("3","4","9","3","9","9","1") = "8"
    & skf18("3","4","9","3","9","10","1") = "9"
    & skf18("3","4","9","3","10","1","1") = "9"
    & skf18("3","4","9","3","10","2","1") = "9"
    & skf18("3","4","9","3","10","3","1") = "9"
    & skf18("3","4","9","3","10","4","1") = "9"
    & skf18("3","4","9","3","10","5","1") = "9"
    & skf18("3","4","9","3","10","6","1") = "9"
    & skf18("3","4","9","3","10","7","1") = "9"
    & skf18("3","4","9","3","10","8","1") = "9"
    & skf18("3","4","9","3","10","9","1") = "9"
    & skf18("3","4","9","3","10","10","1") = "9"
    & skf18("3","4","9","4","1","1","1") = "8"
    & skf18("3","4","9","4","1","2","1") = "8"
    & skf18("3","4","9","4","1","3","1") = "8"
    & skf18("3","4","9","4","1","4","1") = "8"
    & skf18("3","4","9","4","1","5","1") = "8"
    & skf18("3","4","9","4","1","6","1") = "8"
    & skf18("3","4","9","4","1","7","1") = "8"
    & skf18("3","4","9","4","1","8","1") = "8"
    & skf18("3","4","9","4","1","9","1") = "8"
    & skf18("3","4","9","4","1","10","1") = "9"
    & skf18("3","4","9","4","2","1","1") = "8"
    & skf18("3","4","9","4","2","2","1") = "8"
    & skf18("3","4","9","4","2","3","1") = "8"
    & skf18("3","4","9","4","2","4","1") = "8"
    & skf18("3","4","9","4","2","5","1") = "8"
    & skf18("3","4","9","4","2","6","1") = "8"
    & skf18("3","4","9","4","2","7","1") = "8"
    & skf18("3","4","9","4","2","8","1") = "8"
    & skf18("3","4","9","4","2","9","1") = "8"
    & skf18("3","4","9","4","2","10","1") = "9"
    & skf18("3","4","9","4","3","1","1") = "8"
    & skf18("3","4","9","4","3","2","1") = "8"
    & skf18("3","4","9","4","3","3","1") = "8"
    & skf18("3","4","9","4","3","4","1") = "8"
    & skf18("3","4","9","4","3","5","1") = "8"
    & skf18("3","4","9","4","3","6","1") = "8"
    & skf18("3","4","9","4","3","7","1") = "8"
    & skf18("3","4","9","4","3","8","1") = "8"
    & skf18("3","4","9","4","3","9","1") = "8"
    & skf18("3","4","9","4","3","10","1") = "9"
    & skf18("3","4","9","4","4","1","1") = "8"
    & skf18("3","4","9","4","4","2","1") = "8"
    & skf18("3","4","9","4","4","3","1") = "8"
    & skf18("3","4","9","4","4","4","1") = "8"
    & skf18("3","4","9","4","4","5","1") = "8"
    & skf18("3","4","9","4","4","6","1") = "8"
    & skf18("3","4","9","4","4","7","1") = "8"
    & skf18("3","4","9","4","4","8","1") = "8"
    & skf18("3","4","9","4","4","9","1") = "8"
    & skf18("3","4","9","4","4","10","1") = "9"
    & skf18("3","4","9","4","5","1","1") = "8"
    & skf18("3","4","9","4","5","2","1") = "8"
    & skf18("3","4","9","4","5","3","1") = "8"
    & skf18("3","4","9","4","5","4","1") = "8"
    & skf18("3","4","9","4","5","5","1") = "8"
    & skf18("3","4","9","4","5","6","1") = "8"
    & skf18("3","4","9","4","5","7","1") = "8"
    & skf18("3","4","9","4","5","8","1") = "8"
    & skf18("3","4","9","4","5","9","1") = "8"
    & skf18("3","4","9","4","5","10","1") = "9"
    & skf18("3","4","9","4","6","1","1") = "8"
    & skf18("3","4","9","4","6","2","1") = "8"
    & skf18("3","4","9","4","6","3","1") = "8"
    & skf18("3","4","9","4","6","4","1") = "8"
    & skf18("3","4","9","4","6","5","1") = "8"
    & skf18("3","4","9","4","6","6","1") = "8"
    & skf18("3","4","9","4","6","7","1") = "8"
    & skf18("3","4","9","4","6","8","1") = "8"
    & skf18("3","4","9","4","6","9","1") = "8"
    & skf18("3","4","9","4","6","10","1") = "9"
    & skf18("3","4","9","4","7","1","1") = "8"
    & skf18("3","4","9","4","7","2","1") = "8"
    & skf18("3","4","9","4","7","3","1") = "8"
    & skf18("3","4","9","4","7","4","1") = "8"
    & skf18("3","4","9","4","7","5","1") = "8"
    & skf18("3","4","9","4","7","6","1") = "8"
    & skf18("3","4","9","4","7","7","1") = "8"
    & skf18("3","4","9","4","7","8","1") = "8"
    & skf18("3","4","9","4","7","9","1") = "8"
    & skf18("3","4","9","4","7","10","1") = "9"
    & skf18("3","4","9","4","8","1","1") = "8"
    & skf18("3","4","9","4","8","2","1") = "8"
    & skf18("3","4","9","4","8","3","1") = "8"
    & skf18("3","4","9","4","8","4","1") = "8"
    & skf18("3","4","9","4","8","5","1") = "8"
    & skf18("3","4","9","4","8","6","1") = "8"
    & skf18("3","4","9","4","8","7","1") = "8"
    & skf18("3","4","9","4","8","8","1") = "8"
    & skf18("3","4","9","4","8","9","1") = "8"
    & skf18("3","4","9","4","8","10","1") = "9"
    & skf18("3","4","9","4","9","1","1") = "8"
    & skf18("3","4","9","4","9","2","1") = "8"
    & skf18("3","4","9","4","9","3","1") = "8"
    & skf18("3","4","9","4","9","4","1") = "8"
    & skf18("3","4","9","4","9","5","1") = "8"
    & skf18("3","4","9","4","9","6","1") = "8"
    & skf18("3","4","9","4","9","7","1") = "8"
    & skf18("3","4","9","4","9","8","1") = "8"
    & skf18("3","4","9","4","9","9","1") = "8"
    & skf18("3","4","9","4","9","10","1") = "9"
    & skf18("3","4","9","4","10","1","1") = "9"
    & skf18("3","4","9","4","10","2","1") = "9"
    & skf18("3","4","9","4","10","3","1") = "9"
    & skf18("3","4","9","4","10","4","1") = "9"
    & skf18("3","4","9","4","10","5","1") = "9"
    & skf18("3","4","9","4","10","6","1") = "9"
    & skf18("3","4","9","4","10","7","1") = "9"
    & skf18("3","4","9","4","10","8","1") = "9"
    & skf18("3","4","9","4","10","9","1") = "9"
    & skf18("3","4","9","4","10","10","1") = "9"
    & skf18("3","4","9","5","1","1","1") = "8"
    & skf18("3","4","9","5","1","2","1") = "8"
    & skf18("3","4","9","5","1","3","1") = "8"
    & skf18("3","4","9","5","1","4","1") = "8"
    & skf18("3","4","9","5","1","5","1") = "8"
    & skf18("3","4","9","5","1","6","1") = "8"
    & skf18("3","4","9","5","1","7","1") = "8"
    & skf18("3","4","9","5","1","8","1") = "8"
    & skf18("3","4","9","5","1","9","1") = "8"
    & skf18("3","4","9","5","1","10","1") = "9"
    & skf18("3","4","9","5","2","1","1") = "8"
    & skf18("3","4","9","5","2","2","1") = "8"
    & skf18("3","4","9","5","2","3","1") = "8"
    & skf18("3","4","9","5","2","4","1") = "8"
    & skf18("3","4","9","5","2","5","1") = "8"
    & skf18("3","4","9","5","2","6","1") = "8"
    & skf18("3","4","9","5","2","7","1") = "8"
    & skf18("3","4","9","5","2","8","1") = "8"
    & skf18("3","4","9","5","2","9","1") = "8"
    & skf18("3","4","9","5","2","10","1") = "9"
    & skf18("3","4","9","5","3","1","1") = "8"
    & skf18("3","4","9","5","3","2","1") = "8"
    & skf18("3","4","9","5","3","3","1") = "8"
    & skf18("3","4","9","5","3","4","1") = "8"
    & skf18("3","4","9","5","3","5","1") = "8"
    & skf18("3","4","9","5","3","6","1") = "8"
    & skf18("3","4","9","5","3","7","1") = "8"
    & skf18("3","4","9","5","3","8","1") = "8"
    & skf18("3","4","9","5","3","9","1") = "8"
    & skf18("3","4","9","5","3","10","1") = "9"
    & skf18("3","4","9","5","4","1","1") = "8"
    & skf18("3","4","9","5","4","2","1") = "8"
    & skf18("3","4","9","5","4","3","1") = "8"
    & skf18("3","4","9","5","4","4","1") = "8"
    & skf18("3","4","9","5","4","5","1") = "8"
    & skf18("3","4","9","5","4","6","1") = "8"
    & skf18("3","4","9","5","4","7","1") = "8"
    & skf18("3","4","9","5","4","8","1") = "8"
    & skf18("3","4","9","5","4","9","1") = "8"
    & skf18("3","4","9","5","4","10","1") = "9"
    & skf18("3","4","9","5","5","1","1") = "8"
    & skf18("3","4","9","5","5","2","1") = "8"
    & skf18("3","4","9","5","5","3","1") = "8"
    & skf18("3","4","9","5","5","4","1") = "8"
    & skf18("3","4","9","5","5","5","1") = "8"
    & skf18("3","4","9","5","5","6","1") = "8"
    & skf18("3","4","9","5","5","7","1") = "8"
    & skf18("3","4","9","5","5","8","1") = "8"
    & skf18("3","4","9","5","5","9","1") = "8"
    & skf18("3","4","9","5","5","10","1") = "9"
    & skf18("3","4","9","5","6","1","1") = "8"
    & skf18("3","4","9","5","6","2","1") = "8"
    & skf18("3","4","9","5","6","3","1") = "8"
    & skf18("3","4","9","5","6","4","1") = "8"
    & skf18("3","4","9","5","6","5","1") = "8"
    & skf18("3","4","9","5","6","6","1") = "8"
    & skf18("3","4","9","5","6","7","1") = "8"
    & skf18("3","4","9","5","6","8","1") = "8"
    & skf18("3","4","9","5","6","9","1") = "8"
    & skf18("3","4","9","5","6","10","1") = "9"
    & skf18("3","4","9","5","7","1","1") = "8"
    & skf18("3","4","9","5","7","2","1") = "8"
    & skf18("3","4","9","5","7","3","1") = "8"
    & skf18("3","4","9","5","7","4","1") = "8"
    & skf18("3","4","9","5","7","5","1") = "8"
    & skf18("3","4","9","5","7","6","1") = "8"
    & skf18("3","4","9","5","7","7","1") = "8"
    & skf18("3","4","9","5","7","8","1") = "8"
    & skf18("3","4","9","5","7","9","1") = "8"
    & skf18("3","4","9","5","7","10","1") = "9"
    & skf18("3","4","9","5","8","1","1") = "8"
    & skf18("3","4","9","5","8","2","1") = "8"
    & skf18("3","4","9","5","8","3","1") = "8"
    & skf18("3","4","9","5","8","4","1") = "8"
    & skf18("3","4","9","5","8","5","1") = "8"
    & skf18("3","4","9","5","8","6","1") = "8"
    & skf18("3","4","9","5","8","7","1") = "8"
    & skf18("3","4","9","5","8","8","1") = "8"
    & skf18("3","4","9","5","8","9","1") = "8"
    & skf18("3","4","9","5","8","10","1") = "9"
    & skf18("3","4","9","5","9","1","1") = "8"
    & skf18("3","4","9","5","9","2","1") = "8"
    & skf18("3","4","9","5","9","3","1") = "8"
    & skf18("3","4","9","5","9","4","1") = "8"
    & skf18("3","4","9","5","9","5","1") = "8"
    & skf18("3","4","9","5","9","6","1") = "8"
    & skf18("3","4","9","5","9","7","1") = "8"
    & skf18("3","4","9","5","9","8","1") = "8"
    & skf18("3","4","9","5","9","9","1") = "8"
    & skf18("3","4","9","5","9","10","1") = "9"
    & skf18("3","4","9","5","10","1","1") = "9"
    & skf18("3","4","9","5","10","2","1") = "9"
    & skf18("3","4","9","5","10","3","1") = "9"
    & skf18("3","4","9","5","10","4","1") = "9"
    & skf18("3","4","9","5","10","5","1") = "9"
    & skf18("3","4","9","5","10","6","1") = "9"
    & skf18("3","4","9","5","10","7","1") = "9"
    & skf18("3","4","9","5","10","8","1") = "9"
    & skf18("3","4","9","5","10","9","1") = "9"
    & skf18("3","4","9","5","10","10","1") = "9"
    & skf18("3","4","9","6","1","1","1") = "8"
    & skf18("3","4","9","6","1","2","1") = "8"
    & skf18("3","4","9","6","1","3","1") = "8"
    & skf18("3","4","9","6","1","4","1") = "8"
    & skf18("3","4","9","6","1","5","1") = "8"
    & skf18("3","4","9","6","1","6","1") = "8"
    & skf18("3","4","9","6","1","7","1") = "8"
    & skf18("3","4","9","6","1","8","1") = "8"
    & skf18("3","4","9","6","1","9","1") = "8"
    & skf18("3","4","9","6","1","10","1") = "9"
    & skf18("3","4","9","6","2","1","1") = "8"
    & skf18("3","4","9","6","2","2","1") = "8"
    & skf18("3","4","9","6","2","3","1") = "8"
    & skf18("3","4","9","6","2","4","1") = "8"
    & skf18("3","4","9","6","2","5","1") = "8"
    & skf18("3","4","9","6","2","6","1") = "8"
    & skf18("3","4","9","6","2","7","1") = "8"
    & skf18("3","4","9","6","2","8","1") = "8"
    & skf18("3","4","9","6","2","9","1") = "8"
    & skf18("3","4","9","6","2","10","1") = "9"
    & skf18("3","4","9","6","3","1","1") = "8"
    & skf18("3","4","9","6","3","2","1") = "8"
    & skf18("3","4","9","6","3","3","1") = "8"
    & skf18("3","4","9","6","3","4","1") = "8"
    & skf18("3","4","9","6","3","5","1") = "8"
    & skf18("3","4","9","6","3","6","1") = "8"
    & skf18("3","4","9","6","3","7","1") = "8"
    & skf18("3","4","9","6","3","8","1") = "8"
    & skf18("3","4","9","6","3","9","1") = "8"
    & skf18("3","4","9","6","3","10","1") = "9"
    & skf18("3","4","9","6","4","1","1") = "8"
    & skf18("3","4","9","6","4","2","1") = "8"
    & skf18("3","4","9","6","4","3","1") = "8"
    & skf18("3","4","9","6","4","4","1") = "8"
    & skf18("3","4","9","6","4","5","1") = "8"
    & skf18("3","4","9","6","4","6","1") = "8"
    & skf18("3","4","9","6","4","7","1") = "8"
    & skf18("3","4","9","6","4","8","1") = "8"
    & skf18("3","4","9","6","4","9","1") = "8"
    & skf18("3","4","9","6","4","10","1") = "9"
    & skf18("3","4","9","6","5","1","1") = "8"
    & skf18("3","4","9","6","5","2","1") = "8"
    & skf18("3","4","9","6","5","3","1") = "8"
    & skf18("3","4","9","6","5","4","1") = "8"
    & skf18("3","4","9","6","5","5","1") = "8"
    & skf18("3","4","9","6","5","6","1") = "8"
    & skf18("3","4","9","6","5","7","1") = "8"
    & skf18("3","4","9","6","5","8","1") = "8"
    & skf18("3","4","9","6","5","9","1") = "8"
    & skf18("3","4","9","6","5","10","1") = "9"
    & skf18("3","4","9","6","6","1","1") = "8"
    & skf18("3","4","9","6","6","2","1") = "8"
    & skf18("3","4","9","6","6","3","1") = "8"
    & skf18("3","4","9","6","6","4","1") = "8"
    & skf18("3","4","9","6","6","5","1") = "8"
    & skf18("3","4","9","6","6","6","1") = "8"
    & skf18("3","4","9","6","6","7","1") = "8"
    & skf18("3","4","9","6","6","8","1") = "8"
    & skf18("3","4","9","6","6","9","1") = "8"
    & skf18("3","4","9","6","6","10","1") = "9"
    & skf18("3","4","9","6","7","1","1") = "8"
    & skf18("3","4","9","6","7","2","1") = "8"
    & skf18("3","4","9","6","7","3","1") = "8"
    & skf18("3","4","9","6","7","4","1") = "8"
    & skf18("3","4","9","6","7","5","1") = "8"
    & skf18("3","4","9","6","7","6","1") = "8"
    & skf18("3","4","9","6","7","7","1") = "8"
    & skf18("3","4","9","6","7","8","1") = "8"
    & skf18("3","4","9","6","7","9","1") = "8"
    & skf18("3","4","9","6","7","10","1") = "9"
    & skf18("3","4","9","6","8","1","1") = "8"
    & skf18("3","4","9","6","8","2","1") = "8"
    & skf18("3","4","9","6","8","3","1") = "8"
    & skf18("3","4","9","6","8","4","1") = "8"
    & skf18("3","4","9","6","8","5","1") = "8"
    & skf18("3","4","9","6","8","6","1") = "8"
    & skf18("3","4","9","6","8","7","1") = "8"
    & skf18("3","4","9","6","8","8","1") = "8"
    & skf18("3","4","9","6","8","9","1") = "8"
    & skf18("3","4","9","6","8","10","1") = "9"
    & skf18("3","4","9","6","9","1","1") = "8"
    & skf18("3","4","9","6","9","2","1") = "8"
    & skf18("3","4","9","6","9","3","1") = "8"
    & skf18("3","4","9","6","9","4","1") = "8"
    & skf18("3","4","9","6","9","5","1") = "8"
    & skf18("3","4","9","6","9","6","1") = "8"
    & skf18("3","4","9","6","9","7","1") = "8"
    & skf18("3","4","9","6","9","8","1") = "8"
    & skf18("3","4","9","6","9","9","1") = "8"
    & skf18("3","4","9","6","9","10","1") = "9"
    & skf18("3","4","9","6","10","1","1") = "9"
    & skf18("3","4","9","6","10","2","1") = "9"
    & skf18("3","4","9","6","10","3","1") = "9"
    & skf18("3","4","9","6","10","4","1") = "9"
    & skf18("3","4","9","6","10","5","1") = "9"
    & skf18("3","4","9","6","10","6","1") = "9"
    & skf18("3","4","9","6","10","7","1") = "9"
    & skf18("3","4","9","6","10","8","1") = "9"
    & skf18("3","4","9","6","10","9","1") = "9"
    & skf18("3","4","9","6","10","10","1") = "9"
    & skf18("3","4","9","7","1","1","1") = "8"
    & skf18("3","4","9","7","1","2","1") = "8"
    & skf18("3","4","9","7","1","3","1") = "8"
    & skf18("3","4","9","7","1","4","1") = "8"
    & skf18("3","4","9","7","1","5","1") = "8"
    & skf18("3","4","9","7","1","6","1") = "8"
    & skf18("3","4","9","7","1","7","1") = "8"
    & skf18("3","4","9","7","1","8","1") = "8"
    & skf18("3","4","9","7","1","9","1") = "8"
    & skf18("3","4","9","7","1","10","1") = "9"
    & skf18("3","4","9","7","2","1","1") = "8"
    & skf18("3","4","9","7","2","2","1") = "8"
    & skf18("3","4","9","7","2","3","1") = "8"
    & skf18("3","4","9","7","2","4","1") = "8"
    & skf18("3","4","9","7","2","5","1") = "8"
    & skf18("3","4","9","7","2","6","1") = "8"
    & skf18("3","4","9","7","2","7","1") = "8"
    & skf18("3","4","9","7","2","8","1") = "8"
    & skf18("3","4","9","7","2","9","1") = "8"
    & skf18("3","4","9","7","2","10","1") = "9"
    & skf18("3","4","9","7","3","1","1") = "8"
    & skf18("3","4","9","7","3","2","1") = "8"
    & skf18("3","4","9","7","3","3","1") = "8"
    & skf18("3","4","9","7","3","4","1") = "8"
    & skf18("3","4","9","7","3","5","1") = "8"
    & skf18("3","4","9","7","3","6","1") = "8"
    & skf18("3","4","9","7","3","7","1") = "8"
    & skf18("3","4","9","7","3","8","1") = "8"
    & skf18("3","4","9","7","3","9","1") = "8"
    & skf18("3","4","9","7","3","10","1") = "9"
    & skf18("3","4","9","7","4","1","1") = "8"
    & skf18("3","4","9","7","4","2","1") = "8"
    & skf18("3","4","9","7","4","3","1") = "8"
    & skf18("3","4","9","7","4","4","1") = "8"
    & skf18("3","4","9","7","4","5","1") = "8"
    & skf18("3","4","9","7","4","6","1") = "8"
    & skf18("3","4","9","7","4","7","1") = "8"
    & skf18("3","4","9","7","4","8","1") = "8"
    & skf18("3","4","9","7","4","9","1") = "8"
    & skf18("3","4","9","7","4","10","1") = "9"
    & skf18("3","4","9","7","5","1","1") = "8"
    & skf18("3","4","9","7","5","2","1") = "8"
    & skf18("3","4","9","7","5","3","1") = "8"
    & skf18("3","4","9","7","5","4","1") = "8"
    & skf18("3","4","9","7","5","5","1") = "8"
    & skf18("3","4","9","7","5","6","1") = "8"
    & skf18("3","4","9","7","5","7","1") = "8"
    & skf18("3","4","9","7","5","8","1") = "8"
    & skf18("3","4","9","7","5","9","1") = "8"
    & skf18("3","4","9","7","5","10","1") = "9"
    & skf18("3","4","9","7","6","1","1") = "8"
    & skf18("3","4","9","7","6","2","1") = "8"
    & skf18("3","4","9","7","6","3","1") = "8"
    & skf18("3","4","9","7","6","4","1") = "8"
    & skf18("3","4","9","7","6","5","1") = "8"
    & skf18("3","4","9","7","6","6","1") = "8"
    & skf18("3","4","9","7","6","7","1") = "8"
    & skf18("3","4","9","7","6","8","1") = "8"
    & skf18("3","4","9","7","6","9","1") = "8"
    & skf18("3","4","9","7","6","10","1") = "9"
    & skf18("3","4","9","7","7","1","1") = "8"
    & skf18("3","4","9","7","7","2","1") = "8"
    & skf18("3","4","9","7","7","3","1") = "8"
    & skf18("3","4","9","7","7","4","1") = "8"
    & skf18("3","4","9","7","7","5","1") = "8"
    & skf18("3","4","9","7","7","6","1") = "8"
    & skf18("3","4","9","7","7","7","1") = "8"
    & skf18("3","4","9","7","7","8","1") = "8"
    & skf18("3","4","9","7","7","9","1") = "8"
    & skf18("3","4","9","7","7","10","1") = "9"
    & skf18("3","4","9","7","8","1","1") = "8"
    & skf18("3","4","9","7","8","2","1") = "8"
    & skf18("3","4","9","7","8","3","1") = "8"
    & skf18("3","4","9","7","8","4","1") = "8"
    & skf18("3","4","9","7","8","5","1") = "8"
    & skf18("3","4","9","7","8","6","1") = "8"
    & skf18("3","4","9","7","8","7","1") = "8"
    & skf18("3","4","9","7","8","8","1") = "8"
    & skf18("3","4","9","7","8","9","1") = "8"
    & skf18("3","4","9","7","8","10","1") = "9"
    & skf18("3","4","9","7","9","1","1") = "8"
    & skf18("3","4","9","7","9","2","1") = "8"
    & skf18("3","4","9","7","9","3","1") = "8"
    & skf18("3","4","9","7","9","4","1") = "8"
    & skf18("3","4","9","7","9","5","1") = "8"
    & skf18("3","4","9","7","9","6","1") = "8"
    & skf18("3","4","9","7","9","7","1") = "8"
    & skf18("3","4","9","7","9","8","1") = "8"
    & skf18("3","4","9","7","9","9","1") = "8"
    & skf18("3","4","9","7","9","10","1") = "9"
    & skf18("3","4","9","7","10","1","1") = "9"
    & skf18("3","4","9","7","10","2","1") = "9"
    & skf18("3","4","9","7","10","3","1") = "9"
    & skf18("3","4","9","7","10","4","1") = "9"
    & skf18("3","4","9","7","10","5","1") = "9"
    & skf18("3","4","9","7","10","6","1") = "9"
    & skf18("3","4","9","7","10","7","1") = "9"
    & skf18("3","4","9","7","10","8","1") = "9"
    & skf18("3","4","9","7","10","9","1") = "9"
    & skf18("3","4","9","7","10","10","1") = "9"
    & skf18("3","4","9","8","1","1","1") = "8"
    & skf18("3","4","9","8","1","2","1") = "8"
    & skf18("3","4","9","8","1","3","1") = "8"
    & skf18("3","4","9","8","1","4","1") = "8"
    & skf18("3","4","9","8","1","5","1") = "8"
    & skf18("3","4","9","8","1","6","1") = "8"
    & skf18("3","4","9","8","1","7","1") = "8"
    & skf18("3","4","9","8","1","8","1") = "8"
    & skf18("3","4","9","8","1","9","1") = "8"
    & skf18("3","4","9","8","1","10","1") = "9"
    & skf18("3","4","9","8","2","1","1") = "8"
    & skf18("3","4","9","8","2","2","1") = "8"
    & skf18("3","4","9","8","2","3","1") = "8"
    & skf18("3","4","9","8","2","4","1") = "8"
    & skf18("3","4","9","8","2","5","1") = "8"
    & skf18("3","4","9","8","2","6","1") = "8"
    & skf18("3","4","9","8","2","7","1") = "8"
    & skf18("3","4","9","8","2","8","1") = "8"
    & skf18("3","4","9","8","2","9","1") = "8"
    & skf18("3","4","9","8","2","10","1") = "9"
    & skf18("3","4","9","8","3","1","1") = "8"
    & skf18("3","4","9","8","3","2","1") = "8"
    & skf18("3","4","9","8","3","3","1") = "8"
    & skf18("3","4","9","8","3","4","1") = "8"
    & skf18("3","4","9","8","3","5","1") = "8"
    & skf18("3","4","9","8","3","6","1") = "8"
    & skf18("3","4","9","8","3","7","1") = "8"
    & skf18("3","4","9","8","3","8","1") = "8"
    & skf18("3","4","9","8","3","9","1") = "8"
    & skf18("3","4","9","8","3","10","1") = "9"
    & skf18("3","4","9","8","4","1","1") = "8"
    & skf18("3","4","9","8","4","2","1") = "8"
    & skf18("3","4","9","8","4","3","1") = "8"
    & skf18("3","4","9","8","4","4","1") = "8"
    & skf18("3","4","9","8","4","5","1") = "8"
    & skf18("3","4","9","8","4","6","1") = "8"
    & skf18("3","4","9","8","4","7","1") = "8"
    & skf18("3","4","9","8","4","8","1") = "8"
    & skf18("3","4","9","8","4","9","1") = "8"
    & skf18("3","4","9","8","4","10","1") = "9"
    & skf18("3","4","9","8","5","1","1") = "8"
    & skf18("3","4","9","8","5","2","1") = "8"
    & skf18("3","4","9","8","5","3","1") = "8"
    & skf18("3","4","9","8","5","4","1") = "8"
    & skf18("3","4","9","8","5","5","1") = "8"
    & skf18("3","4","9","8","5","6","1") = "8"
    & skf18("3","4","9","8","5","7","1") = "8"
    & skf18("3","4","9","8","5","8","1") = "8"
    & skf18("3","4","9","8","5","9","1") = "8"
    & skf18("3","4","9","8","5","10","1") = "9"
    & skf18("3","4","9","8","6","1","1") = "8"
    & skf18("3","4","9","8","6","2","1") = "8"
    & skf18("3","4","9","8","6","3","1") = "8"
    & skf18("3","4","9","8","6","4","1") = "8"
    & skf18("3","4","9","8","6","5","1") = "8"
    & skf18("3","4","9","8","6","6","1") = "8"
    & skf18("3","4","9","8","6","7","1") = "8"
    & skf18("3","4","9","8","6","8","1") = "8"
    & skf18("3","4","9","8","6","9","1") = "8"
    & skf18("3","4","9","8","6","10","1") = "9"
    & skf18("3","4","9","8","7","1","1") = "8"
    & skf18("3","4","9","8","7","2","1") = "8"
    & skf18("3","4","9","8","7","3","1") = "8"
    & skf18("3","4","9","8","7","4","1") = "8"
    & skf18("3","4","9","8","7","5","1") = "8"
    & skf18("3","4","9","8","7","6","1") = "8"
    & skf18("3","4","9","8","7","7","1") = "8"
    & skf18("3","4","9","8","7","8","1") = "8"
    & skf18("3","4","9","8","7","9","1") = "8"
    & skf18("3","4","9","8","7","10","1") = "9"
    & skf18("3","4","9","8","8","1","1") = "8"
    & skf18("3","4","9","8","8","2","1") = "8"
    & skf18("3","4","9","8","8","3","1") = "8"
    & skf18("3","4","9","8","8","4","1") = "8"
    & skf18("3","4","9","8","8","5","1") = "8"
    & skf18("3","4","9","8","8","6","1") = "8"
    & skf18("3","4","9","8","8","7","1") = "8"
    & skf18("3","4","9","8","8","8","1") = "8"
    & skf18("3","4","9","8","8","9","1") = "8"
    & skf18("3","4","9","8","8","10","1") = "9"
    & skf18("3","4","9","8","9","1","1") = "8"
    & skf18("3","4","9","8","9","2","1") = "8"
    & skf18("3","4","9","8","9","3","1") = "8"
    & skf18("3","4","9","8","9","4","1") = "8"
    & skf18("3","4","9","8","9","5","1") = "8"
    & skf18("3","4","9","8","9","6","1") = "8"
    & skf18("3","4","9","8","9","7","1") = "8"
    & skf18("3","4","9","8","9","8","1") = "8"
    & skf18("3","4","9","8","9","9","1") = "8"
    & skf18("3","4","9","8","9","10","1") = "9"
    & skf18("3","4","9","8","10","1","1") = "9"
    & skf18("3","4","9","8","10","2","1") = "9"
    & skf18("3","4","9","8","10","3","1") = "9"
    & skf18("3","4","9","8","10","4","1") = "9"
    & skf18("3","4","9","8","10","5","1") = "9"
    & skf18("3","4","9","8","10","6","1") = "9"
    & skf18("3","4","9","8","10","7","1") = "9"
    & skf18("3","4","9","8","10","8","1") = "9"
    & skf18("3","4","9","8","10","9","1") = "9"
    & skf18("3","4","9","8","10","10","1") = "9"
    & skf18("3","4","9","9","1","1","1") = "8"
    & skf18("3","4","9","9","1","2","1") = "8"
    & skf18("3","4","9","9","1","3","1") = "8"
    & skf18("3","4","9","9","1","4","1") = "8"
    & skf18("3","4","9","9","1","5","1") = "8"
    & skf18("3","4","9","9","1","6","1") = "8"
    & skf18("3","4","9","9","1","7","1") = "8"
    & skf18("3","4","9","9","1","8","1") = "8"
    & skf18("3","4","9","9","1","9","1") = "8"
    & skf18("3","4","9","9","1","10","1") = "9"
    & skf18("3","4","9","9","2","1","1") = "8"
    & skf18("3","4","9","9","2","2","1") = "8"
    & skf18("3","4","9","9","2","3","1") = "8"
    & skf18("3","4","9","9","2","4","1") = "8"
    & skf18("3","4","9","9","2","5","1") = "8"
    & skf18("3","4","9","9","2","6","1") = "8"
    & skf18("3","4","9","9","2","7","1") = "8"
    & skf18("3","4","9","9","2","8","1") = "8"
    & skf18("3","4","9","9","2","9","1") = "8"
    & skf18("3","4","9","9","2","10","1") = "9"
    & skf18("3","4","9","9","3","1","1") = "8"
    & skf18("3","4","9","9","3","2","1") = "8"
    & skf18("3","4","9","9","3","3","1") = "8"
    & skf18("3","4","9","9","3","4","1") = "8"
    & skf18("3","4","9","9","3","5","1") = "8"
    & skf18("3","4","9","9","3","6","1") = "8"
    & skf18("3","4","9","9","3","7","1") = "8"
    & skf18("3","4","9","9","3","8","1") = "8"
    & skf18("3","4","9","9","3","9","1") = "8"
    & skf18("3","4","9","9","3","10","1") = "9"
    & skf18("3","4","9","9","4","1","1") = "8"
    & skf18("3","4","9","9","4","2","1") = "8"
    & skf18("3","4","9","9","4","3","1") = "8"
    & skf18("3","4","9","9","4","4","1") = "8"
    & skf18("3","4","9","9","4","5","1") = "8"
    & skf18("3","4","9","9","4","6","1") = "8"
    & skf18("3","4","9","9","4","7","1") = "8"
    & skf18("3","4","9","9","4","8","1") = "8"
    & skf18("3","4","9","9","4","9","1") = "8"
    & skf18("3","4","9","9","4","10","1") = "9"
    & skf18("3","4","9","9","5","1","1") = "8"
    & skf18("3","4","9","9","5","2","1") = "8"
    & skf18("3","4","9","9","5","3","1") = "8"
    & skf18("3","4","9","9","5","4","1") = "8"
    & skf18("3","4","9","9","5","5","1") = "8"
    & skf18("3","4","9","9","5","6","1") = "8"
    & skf18("3","4","9","9","5","7","1") = "8"
    & skf18("3","4","9","9","5","8","1") = "8"
    & skf18("3","4","9","9","5","9","1") = "8"
    & skf18("3","4","9","9","5","10","1") = "9"
    & skf18("3","4","9","9","6","1","1") = "8"
    & skf18("3","4","9","9","6","2","1") = "8"
    & skf18("3","4","9","9","6","3","1") = "8"
    & skf18("3","4","9","9","6","4","1") = "8"
    & skf18("3","4","9","9","6","5","1") = "8"
    & skf18("3","4","9","9","6","6","1") = "8"
    & skf18("3","4","9","9","6","7","1") = "8"
    & skf18("3","4","9","9","6","8","1") = "8"
    & skf18("3","4","9","9","6","9","1") = "8"
    & skf18("3","4","9","9","6","10","1") = "9"
    & skf18("3","4","9","9","7","1","1") = "8"
    & skf18("3","4","9","9","7","2","1") = "8"
    & skf18("3","4","9","9","7","3","1") = "8"
    & skf18("3","4","9","9","7","4","1") = "8"
    & skf18("3","4","9","9","7","5","1") = "8"
    & skf18("3","4","9","9","7","6","1") = "8"
    & skf18("3","4","9","9","7","7","1") = "8"
    & skf18("3","4","9","9","7","8","1") = "8"
    & skf18("3","4","9","9","7","9","1") = "8"
    & skf18("3","4","9","9","7","10","1") = "9"
    & skf18("3","4","9","9","8","1","1") = "8"
    & skf18("3","4","9","9","8","2","1") = "8"
    & skf18("3","4","9","9","8","3","1") = "8"
    & skf18("3","4","9","9","8","4","1") = "8"
    & skf18("3","4","9","9","8","5","1") = "8"
    & skf18("3","4","9","9","8","6","1") = "8"
    & skf18("3","4","9","9","8","7","1") = "8"
    & skf18("3","4","9","9","8","8","1") = "8"
    & skf18("3","4","9","9","8","9","1") = "8"
    & skf18("3","4","9","9","8","10","1") = "9"
    & skf18("3","4","9","9","9","1","1") = "8"
    & skf18("3","4","9","9","9","2","1") = "8"
    & skf18("3","4","9","9","9","3","1") = "8"
    & skf18("3","4","9","9","9","4","1") = "8"
    & skf18("3","4","9","9","9","5","1") = "8"
    & skf18("3","4","9","9","9","6","1") = "8"
    & skf18("3","4","9","9","9","7","1") = "8"
    & skf18("3","4","9","9","9","8","1") = "8"
    & skf18("3","4","9","9","9","9","1") = "8"
    & skf18("3","4","9","9","9","10","1") = "9"
    & skf18("3","4","9","9","10","1","1") = "9"
    & skf18("3","4","9","9","10","2","1") = "9"
    & skf18("3","4","9","9","10","3","1") = "9"
    & skf18("3","4","9","9","10","4","1") = "9"
    & skf18("3","4","9","9","10","5","1") = "9"
    & skf18("3","4","9","9","10","6","1") = "9"
    & skf18("3","4","9","9","10","7","1") = "9"
    & skf18("3","4","9","9","10","8","1") = "9"
    & skf18("3","4","9","9","10","9","1") = "9"
    & skf18("3","4","9","9","10","10","1") = "9"
    & skf18("3","4","9","10","1","1","1") = "9"
    & skf18("3","4","9","10","1","2","1") = "9"
    & skf18("3","4","9","10","1","3","1") = "9"
    & skf18("3","4","9","10","1","4","1") = "9"
    & skf18("3","4","9","10","1","5","1") = "9"
    & skf18("3","4","9","10","1","6","1") = "9"
    & skf18("3","4","9","10","1","7","1") = "9"
    & skf18("3","4","9","10","1","8","1") = "9"
    & skf18("3","4","9","10","1","9","1") = "9"
    & skf18("3","4","9","10","1","10","1") = "9"
    & skf18("3","4","9","10","2","1","1") = "9"
    & skf18("3","4","9","10","2","2","1") = "9"
    & skf18("3","4","9","10","2","3","1") = "9"
    & skf18("3","4","9","10","2","4","1") = "9"
    & skf18("3","4","9","10","2","5","1") = "9"
    & skf18("3","4","9","10","2","6","1") = "9"
    & skf18("3","4","9","10","2","7","1") = "9"
    & skf18("3","4","9","10","2","8","1") = "9"
    & skf18("3","4","9","10","2","9","1") = "9"
    & skf18("3","4","9","10","2","10","1") = "9"
    & skf18("3","4","9","10","3","1","1") = "9"
    & skf18("3","4","9","10","3","2","1") = "9"
    & skf18("3","4","9","10","3","3","1") = "9"
    & skf18("3","4","9","10","3","4","1") = "9"
    & skf18("3","4","9","10","3","5","1") = "9"
    & skf18("3","4","9","10","3","6","1") = "9"
    & skf18("3","4","9","10","3","7","1") = "9"
    & skf18("3","4","9","10","3","8","1") = "9"
    & skf18("3","4","9","10","3","9","1") = "9"
    & skf18("3","4","9","10","3","10","1") = "9"
    & skf18("3","4","9","10","4","1","1") = "9"
    & skf18("3","4","9","10","4","2","1") = "9"
    & skf18("3","4","9","10","4","3","1") = "9"
    & skf18("3","4","9","10","4","4","1") = "9"
    & skf18("3","4","9","10","4","5","1") = "9"
    & skf18("3","4","9","10","4","6","1") = "9"
    & skf18("3","4","9","10","4","7","1") = "9"
    & skf18("3","4","9","10","4","8","1") = "9"
    & skf18("3","4","9","10","4","9","1") = "9"
    & skf18("3","4","9","10","4","10","1") = "9"
    & skf18("3","4","9","10","5","1","1") = "9"
    & skf18("3","4","9","10","5","2","1") = "9"
    & skf18("3","4","9","10","5","3","1") = "9"
    & skf18("3","4","9","10","5","4","1") = "9"
    & skf18("3","4","9","10","5","5","1") = "9"
    & skf18("3","4","9","10","5","6","1") = "9"
    & skf18("3","4","9","10","5","7","1") = "9"
    & skf18("3","4","9","10","5","8","1") = "9"
    & skf18("3","4","9","10","5","9","1") = "9"
    & skf18("3","4","9","10","5","10","1") = "9"
    & skf18("3","4","9","10","6","1","1") = "9"
    & skf18("3","4","9","10","6","2","1") = "9"
    & skf18("3","4","9","10","6","3","1") = "9"
    & skf18("3","4","9","10","6","4","1") = "9"
    & skf18("3","4","9","10","6","5","1") = "9"
    & skf18("3","4","9","10","6","6","1") = "9"
    & skf18("3","4","9","10","6","7","1") = "9"
    & skf18("3","4","9","10","6","8","1") = "9"
    & skf18("3","4","9","10","6","9","1") = "9"
    & skf18("3","4","9","10","6","10","1") = "9"
    & skf18("3","4","9","10","7","1","1") = "9"
    & skf18("3","4","9","10","7","2","1") = "9"
    & skf18("3","4","9","10","7","3","1") = "9"
    & skf18("3","4","9","10","7","4","1") = "9"
    & skf18("3","4","9","10","7","5","1") = "9"
    & skf18("3","4","9","10","7","6","1") = "9"
    & skf18("3","4","9","10","7","7","1") = "9"
    & skf18("3","4","9","10","7","8","1") = "9"
    & skf18("3","4","9","10","7","9","1") = "9"
    & skf18("3","4","9","10","7","10","1") = "9"
    & skf18("3","4","9","10","8","1","1") = "9"
    & skf18("3","4","9","10","8","2","1") = "9"
    & skf18("3","4","9","10","8","3","1") = "9"
    & skf18("3","4","9","10","8","4","1") = "9"
    & skf18("3","4","9","10","8","5","1") = "9"
    & skf18("3","4","9","10","8","6","1") = "9"
    & skf18("3","4","9","10","8","7","1") = "9"
    & skf18("3","4","9","10","8","8","1") = "9"
    & skf18("3","4","9","10","8","9","1") = "9"
    & skf18("3","4","9","10","8","10","1") = "9"
    & skf18("3","4","9","10","9","1","1") = "9"
    & skf18("3","4","9","10","9","2","1") = "9"
    & skf18("3","4","9","10","9","3","1") = "9"
    & skf18("3","4","9","10","9","4","1") = "9"
    & skf18("3","4","9","10","9","5","1") = "9"
    & skf18("3","4","9","10","9","6","1") = "9"
    & skf18("3","4","9","10","9","7","1") = "9"
    & skf18("3","4","9","10","9","8","1") = "9"
    & skf18("3","4","9","10","9","9","1") = "9"
    & skf18("3","4","9","10","9","10","1") = "9"
    & skf18("3","4","9","10","10","1","1") = "9"
    & skf18("3","4","9","10","10","2","1") = "9"
    & skf18("3","4","9","10","10","3","1") = "9"
    & skf18("3","4","9","10","10","4","1") = "9"
    & skf18("3","4","9","10","10","5","1") = "9"
    & skf18("3","4","9","10","10","6","1") = "9"
    & skf18("3","4","9","10","10","7","1") = "9"
    & skf18("3","4","9","10","10","8","1") = "9"
    & skf18("3","4","9","10","10","9","1") = "9"
    & skf18("3","4","9","10","10","10","1") = "9"
    & skf18("3","4","10","1","1","1","1") = "9"
    & skf18("3","4","10","1","1","2","1") = "9"
    & skf18("3","4","10","1","1","3","1") = "9"
    & skf18("3","4","10","1","1","4","1") = "9"
    & skf18("3","4","10","1","1","5","1") = "9"
    & skf18("3","4","10","1","1","6","1") = "9"
    & skf18("3","4","10","1","1","7","1") = "9"
    & skf18("3","4","10","1","1","8","1") = "9"
    & skf18("3","4","10","1","1","9","1") = "9"
    & skf18("3","4","10","1","1","10","1") = "9"
    & skf18("3","4","10","1","2","1","1") = "9"
    & skf18("3","4","10","1","2","2","1") = "9"
    & skf18("3","4","10","1","2","3","1") = "9"
    & skf18("3","4","10","1","2","4","1") = "9"
    & skf18("3","4","10","1","2","5","1") = "9"
    & skf18("3","4","10","1","2","6","1") = "9"
    & skf18("3","4","10","1","2","7","1") = "9"
    & skf18("3","4","10","1","2","8","1") = "9"
    & skf18("3","4","10","1","2","9","1") = "9"
    & skf18("3","4","10","1","2","10","1") = "9"
    & skf18("3","4","10","1","3","1","1") = "9"
    & skf18("3","4","10","1","3","2","1") = "9"
    & skf18("3","4","10","1","3","3","1") = "9"
    & skf18("3","4","10","1","3","4","1") = "9"
    & skf18("3","4","10","1","3","5","1") = "9"
    & skf18("3","4","10","1","3","6","1") = "9"
    & skf18("3","4","10","1","3","7","1") = "9"
    & skf18("3","4","10","1","3","8","1") = "9"
    & skf18("3","4","10","1","3","9","1") = "9"
    & skf18("3","4","10","1","3","10","1") = "9"
    & skf18("3","4","10","1","4","1","1") = "9"
    & skf18("3","4","10","1","4","2","1") = "9"
    & skf18("3","4","10","1","4","3","1") = "9"
    & skf18("3","4","10","1","4","4","1") = "9"
    & skf18("3","4","10","1","4","5","1") = "9"
    & skf18("3","4","10","1","4","6","1") = "9"
    & skf18("3","4","10","1","4","7","1") = "9"
    & skf18("3","4","10","1","4","8","1") = "9"
    & skf18("3","4","10","1","4","9","1") = "9"
    & skf18("3","4","10","1","4","10","1") = "9"
    & skf18("3","4","10","1","5","1","1") = "9"
    & skf18("3","4","10","1","5","2","1") = "9"
    & skf18("3","4","10","1","5","3","1") = "9"
    & skf18("3","4","10","1","5","4","1") = "9"
    & skf18("3","4","10","1","5","5","1") = "9"
    & skf18("3","4","10","1","5","6","1") = "9"
    & skf18("3","4","10","1","5","7","1") = "9"
    & skf18("3","4","10","1","5","8","1") = "9"
    & skf18("3","4","10","1","5","9","1") = "9"
    & skf18("3","4","10","1","5","10","1") = "9"
    & skf18("3","4","10","1","6","1","1") = "9"
    & skf18("3","4","10","1","6","2","1") = "9"
    & skf18("3","4","10","1","6","3","1") = "9"
    & skf18("3","4","10","1","6","4","1") = "9"
    & skf18("3","4","10","1","6","5","1") = "9"
    & skf18("3","4","10","1","6","6","1") = "9"
    & skf18("3","4","10","1","6","7","1") = "9"
    & skf18("3","4","10","1","6","8","1") = "9"
    & skf18("3","4","10","1","6","9","1") = "9"
    & skf18("3","4","10","1","6","10","1") = "9"
    & skf18("3","4","10","1","7","1","1") = "9"
    & skf18("3","4","10","1","7","2","1") = "9"
    & skf18("3","4","10","1","7","3","1") = "9"
    & skf18("3","4","10","1","7","4","1") = "9"
    & skf18("3","4","10","1","7","5","1") = "9"
    & skf18("3","4","10","1","7","6","1") = "9"
    & skf18("3","4","10","1","7","7","1") = "9"
    & skf18("3","4","10","1","7","8","1") = "9"
    & skf18("3","4","10","1","7","9","1") = "9"
    & skf18("3","4","10","1","7","10","1") = "9"
    & skf18("3","4","10","1","8","1","1") = "9"
    & skf18("3","4","10","1","8","2","1") = "9"
    & skf18("3","4","10","1","8","3","1") = "9"
    & skf18("3","4","10","1","8","4","1") = "9"
    & skf18("3","4","10","1","8","5","1") = "9"
    & skf18("3","4","10","1","8","6","1") = "9"
    & skf18("3","4","10","1","8","7","1") = "9"
    & skf18("3","4","10","1","8","8","1") = "9"
    & skf18("3","4","10","1","8","9","1") = "9"
    & skf18("3","4","10","1","8","10","1") = "9"
    & skf18("3","4","10","1","9","1","1") = "9"
    & skf18("3","4","10","1","9","2","1") = "9"
    & skf18("3","4","10","1","9","3","1") = "9"
    & skf18("3","4","10","1","9","4","1") = "9"
    & skf18("3","4","10","1","9","5","1") = "9"
    & skf18("3","4","10","1","9","6","1") = "9"
    & skf18("3","4","10","1","9","7","1") = "9"
    & skf18("3","4","10","1","9","8","1") = "9"
    & skf18("3","4","10","1","9","9","1") = "9"
    & skf18("3","4","10","1","9","10","1") = "9"
    & skf18("3","4","10","1","10","1","1") = "9"
    & skf18("3","4","10","1","10","2","1") = "9"
    & skf18("3","4","10","1","10","3","1") = "9"
    & skf18("3","4","10","1","10","4","1") = "9"
    & skf18("3","4","10","1","10","5","1") = "9"
    & skf18("3","4","10","1","10","6","1") = "9"
    & skf18("3","4","10","1","10","7","1") = "9"
    & skf18("3","4","10","1","10","8","1") = "9"
    & skf18("3","4","10","1","10","9","1") = "9"
    & skf18("3","4","10","1","10","10","1") = "9"
    & skf18("3","4","10","2","1","1","1") = "9"
    & skf18("3","4","10","2","1","2","1") = "9"
    & skf18("3","4","10","2","1","3","1") = "9"
    & skf18("3","4","10","2","1","4","1") = "9"
    & skf18("3","4","10","2","1","5","1") = "9"
    & skf18("3","4","10","2","1","6","1") = "9"
    & skf18("3","4","10","2","1","7","1") = "9"
    & skf18("3","4","10","2","1","8","1") = "9"
    & skf18("3","4","10","2","1","9","1") = "9"
    & skf18("3","4","10","2","1","10","1") = "9"
    & skf18("3","4","10","2","2","1","1") = "9"
    & skf18("3","4","10","2","2","2","1") = "9"
    & skf18("3","4","10","2","2","3","1") = "9"
    & skf18("3","4","10","2","2","4","1") = "9"
    & skf18("3","4","10","2","2","5","1") = "9"
    & skf18("3","4","10","2","2","6","1") = "9"
    & skf18("3","4","10","2","2","7","1") = "9"
    & skf18("3","4","10","2","2","8","1") = "9"
    & skf18("3","4","10","2","2","9","1") = "9"
    & skf18("3","4","10","2","2","10","1") = "9"
    & skf18("3","4","10","2","3","1","1") = "9"
    & skf18("3","4","10","2","3","2","1") = "9"
    & skf18("3","4","10","2","3","3","1") = "9"
    & skf18("3","4","10","2","3","4","1") = "9"
    & skf18("3","4","10","2","3","5","1") = "9"
    & skf18("3","4","10","2","3","6","1") = "9"
    & skf18("3","4","10","2","3","7","1") = "9"
    & skf18("3","4","10","2","3","8","1") = "9"
    & skf18("3","4","10","2","3","9","1") = "9"
    & skf18("3","4","10","2","3","10","1") = "9"
    & skf18("3","4","10","2","4","1","1") = "9"
    & skf18("3","4","10","2","4","2","1") = "9"
    & skf18("3","4","10","2","4","3","1") = "9"
    & skf18("3","4","10","2","4","4","1") = "9"
    & skf18("3","4","10","2","4","5","1") = "9"
    & skf18("3","4","10","2","4","6","1") = "9"
    & skf18("3","4","10","2","4","7","1") = "9"
    & skf18("3","4","10","2","4","8","1") = "9"
    & skf18("3","4","10","2","4","9","1") = "9"
    & skf18("3","4","10","2","4","10","1") = "9"
    & skf18("3","4","10","2","5","1","1") = "9"
    & skf18("3","4","10","2","5","2","1") = "9"
    & skf18("3","4","10","2","5","3","1") = "9"
    & skf18("3","4","10","2","5","4","1") = "9"
    & skf18("3","4","10","2","5","5","1") = "9"
    & skf18("3","4","10","2","5","6","1") = "9"
    & skf18("3","4","10","2","5","7","1") = "9"
    & skf18("3","4","10","2","5","8","1") = "9"
    & skf18("3","4","10","2","5","9","1") = "9"
    & skf18("3","4","10","2","5","10","1") = "9"
    & skf18("3","4","10","2","6","1","1") = "9"
    & skf18("3","4","10","2","6","2","1") = "9"
    & skf18("3","4","10","2","6","3","1") = "9"
    & skf18("3","4","10","2","6","4","1") = "9"
    & skf18("3","4","10","2","6","5","1") = "9"
    & skf18("3","4","10","2","6","6","1") = "9"
    & skf18("3","4","10","2","6","7","1") = "9"
    & skf18("3","4","10","2","6","8","1") = "9"
    & skf18("3","4","10","2","6","9","1") = "9"
    & skf18("3","4","10","2","6","10","1") = "9"
    & skf18("3","4","10","2","7","1","1") = "9"
    & skf18("3","4","10","2","7","2","1") = "9"
    & skf18("3","4","10","2","7","3","1") = "9"
    & skf18("3","4","10","2","7","4","1") = "9"
    & skf18("3","4","10","2","7","5","1") = "9"
    & skf18("3","4","10","2","7","6","1") = "9"
    & skf18("3","4","10","2","7","7","1") = "9"
    & skf18("3","4","10","2","7","8","1") = "9"
    & skf18("3","4","10","2","7","9","1") = "9"
    & skf18("3","4","10","2","7","10","1") = "9"
    & skf18("3","4","10","2","8","1","1") = "9"
    & skf18("3","4","10","2","8","2","1") = "9"
    & skf18("3","4","10","2","8","3","1") = "9"
    & skf18("3","4","10","2","8","4","1") = "9"
    & skf18("3","4","10","2","8","5","1") = "9"
    & skf18("3","4","10","2","8","6","1") = "9"
    & skf18("3","4","10","2","8","7","1") = "9"
    & skf18("3","4","10","2","8","8","1") = "9"
    & skf18("3","4","10","2","8","9","1") = "9"
    & skf18("3","4","10","2","8","10","1") = "9"
    & skf18("3","4","10","2","9","1","1") = "9"
    & skf18("3","4","10","2","9","2","1") = "9"
    & skf18("3","4","10","2","9","3","1") = "9"
    & skf18("3","4","10","2","9","4","1") = "9"
    & skf18("3","4","10","2","9","5","1") = "9"
    & skf18("3","4","10","2","9","6","1") = "9"
    & skf18("3","4","10","2","9","7","1") = "9"
    & skf18("3","4","10","2","9","8","1") = "9"
    & skf18("3","4","10","2","9","9","1") = "9"
    & skf18("3","4","10","2","9","10","1") = "9"
    & skf18("3","4","10","2","10","1","1") = "9"
    & skf18("3","4","10","2","10","2","1") = "9"
    & skf18("3","4","10","2","10","3","1") = "9"
    & skf18("3","4","10","2","10","4","1") = "9"
    & skf18("3","4","10","2","10","5","1") = "9"
    & skf18("3","4","10","2","10","6","1") = "9"
    & skf18("3","4","10","2","10","7","1") = "9"
    & skf18("3","4","10","2","10","8","1") = "9"
    & skf18("3","4","10","2","10","9","1") = "9"
    & skf18("3","4","10","2","10","10","1") = "9"
    & skf18("3","4","10","3","1","1","1") = "9"
    & skf18("3","4","10","3","1","2","1") = "9"
    & skf18("3","4","10","3","1","3","1") = "9"
    & skf18("3","4","10","3","1","4","1") = "9"
    & skf18("3","4","10","3","1","5","1") = "9"
    & skf18("3","4","10","3","1","6","1") = "9"
    & skf18("3","4","10","3","1","7","1") = "9"
    & skf18("3","4","10","3","1","8","1") = "9"
    & skf18("3","4","10","3","1","9","1") = "9"
    & skf18("3","4","10","3","1","10","1") = "9"
    & skf18("3","4","10","3","2","1","1") = "9"
    & skf18("3","4","10","3","2","2","1") = "9"
    & skf18("3","4","10","3","2","3","1") = "9"
    & skf18("3","4","10","3","2","4","1") = "9"
    & skf18("3","4","10","3","2","5","1") = "9"
    & skf18("3","4","10","3","2","6","1") = "9"
    & skf18("3","4","10","3","2","7","1") = "9"
    & skf18("3","4","10","3","2","8","1") = "9"
    & skf18("3","4","10","3","2","9","1") = "9"
    & skf18("3","4","10","3","2","10","1") = "9"
    & skf18("3","4","10","3","3","1","1") = "9"
    & skf18("3","4","10","3","3","2","1") = "9"
    & skf18("3","4","10","3","3","3","1") = "9"
    & skf18("3","4","10","3","3","4","1") = "9"
    & skf18("3","4","10","3","3","5","1") = "9"
    & skf18("3","4","10","3","3","6","1") = "9"
    & skf18("3","4","10","3","3","7","1") = "9"
    & skf18("3","4","10","3","3","8","1") = "9"
    & skf18("3","4","10","3","3","9","1") = "9"
    & skf18("3","4","10","3","3","10","1") = "9"
    & skf18("3","4","10","3","4","1","1") = "9"
    & skf18("3","4","10","3","4","2","1") = "9"
    & skf18("3","4","10","3","4","3","1") = "9"
    & skf18("3","4","10","3","4","4","1") = "9"
    & skf18("3","4","10","3","4","5","1") = "9"
    & skf18("3","4","10","3","4","6","1") = "9"
    & skf18("3","4","10","3","4","7","1") = "9"
    & skf18("3","4","10","3","4","8","1") = "9"
    & skf18("3","4","10","3","4","9","1") = "9"
    & skf18("3","4","10","3","4","10","1") = "9"
    & skf18("3","4","10","3","5","1","1") = "9"
    & skf18("3","4","10","3","5","2","1") = "9"
    & skf18("3","4","10","3","5","3","1") = "9"
    & skf18("3","4","10","3","5","4","1") = "9"
    & skf18("3","4","10","3","5","5","1") = "9"
    & skf18("3","4","10","3","5","6","1") = "9"
    & skf18("3","4","10","3","5","7","1") = "9"
    & skf18("3","4","10","3","5","8","1") = "9"
    & skf18("3","4","10","3","5","9","1") = "9"
    & skf18("3","4","10","3","5","10","1") = "9"
    & skf18("3","4","10","3","6","1","1") = "9"
    & skf18("3","4","10","3","6","2","1") = "9"
    & skf18("3","4","10","3","6","3","1") = "9"
    & skf18("3","4","10","3","6","4","1") = "9"
    & skf18("3","4","10","3","6","5","1") = "9"
    & skf18("3","4","10","3","6","6","1") = "9"
    & skf18("3","4","10","3","6","7","1") = "9"
    & skf18("3","4","10","3","6","8","1") = "9"
    & skf18("3","4","10","3","6","9","1") = "9"
    & skf18("3","4","10","3","6","10","1") = "9"
    & skf18("3","4","10","3","7","1","1") = "9"
    & skf18("3","4","10","3","7","2","1") = "9"
    & skf18("3","4","10","3","7","3","1") = "9"
    & skf18("3","4","10","3","7","4","1") = "9"
    & skf18("3","4","10","3","7","5","1") = "9"
    & skf18("3","4","10","3","7","6","1") = "9"
    & skf18("3","4","10","3","7","7","1") = "9"
    & skf18("3","4","10","3","7","8","1") = "9"
    & skf18("3","4","10","3","7","9","1") = "9"
    & skf18("3","4","10","3","7","10","1") = "9"
    & skf18("3","4","10","3","8","1","1") = "9"
    & skf18("3","4","10","3","8","2","1") = "9"
    & skf18("3","4","10","3","8","3","1") = "9"
    & skf18("3","4","10","3","8","4","1") = "9"
    & skf18("3","4","10","3","8","5","1") = "9"
    & skf18("3","4","10","3","8","6","1") = "9"
    & skf18("3","4","10","3","8","7","1") = "9"
    & skf18("3","4","10","3","8","8","1") = "9"
    & skf18("3","4","10","3","8","9","1") = "9"
    & skf18("3","4","10","3","8","10","1") = "9"
    & skf18("3","4","10","3","9","1","1") = "9"
    & skf18("3","4","10","3","9","2","1") = "9"
    & skf18("3","4","10","3","9","3","1") = "9"
    & skf18("3","4","10","3","9","4","1") = "9"
    & skf18("3","4","10","3","9","5","1") = "9"
    & skf18("3","4","10","3","9","6","1") = "9"
    & skf18("3","4","10","3","9","7","1") = "9"
    & skf18("3","4","10","3","9","8","1") = "9"
    & skf18("3","4","10","3","9","9","1") = "9"
    & skf18("3","4","10","3","9","10","1") = "9"
    & skf18("3","4","10","3","10","1","1") = "9"
    & skf18("3","4","10","3","10","2","1") = "9"
    & skf18("3","4","10","3","10","3","1") = "9"
    & skf18("3","4","10","3","10","4","1") = "9"
    & skf18("3","4","10","3","10","5","1") = "9"
    & skf18("3","4","10","3","10","6","1") = "9"
    & skf18("3","4","10","3","10","7","1") = "9"
    & skf18("3","4","10","3","10","8","1") = "9"
    & skf18("3","4","10","3","10","9","1") = "9"
    & skf18("3","4","10","3","10","10","1") = "9"
    & skf18("3","4","10","4","1","1","1") = "9"
    & skf18("3","4","10","4","1","2","1") = "9"
    & skf18("3","4","10","4","1","3","1") = "9"
    & skf18("3","4","10","4","1","4","1") = "9"
    & skf18("3","4","10","4","1","5","1") = "9"
    & skf18("3","4","10","4","1","6","1") = "9"
    & skf18("3","4","10","4","1","7","1") = "9"
    & skf18("3","4","10","4","1","8","1") = "9"
    & skf18("3","4","10","4","1","9","1") = "9"
    & skf18("3","4","10","4","1","10","1") = "9"
    & skf18("3","4","10","4","2","1","1") = "9"
    & skf18("3","4","10","4","2","2","1") = "9"
    & skf18("3","4","10","4","2","3","1") = "9"
    & skf18("3","4","10","4","2","4","1") = "9"
    & skf18("3","4","10","4","2","5","1") = "9"
    & skf18("3","4","10","4","2","6","1") = "9"
    & skf18("3","4","10","4","2","7","1") = "9"
    & skf18("3","4","10","4","2","8","1") = "9"
    & skf18("3","4","10","4","2","9","1") = "9"
    & skf18("3","4","10","4","2","10","1") = "9"
    & skf18("3","4","10","4","3","1","1") = "9"
    & skf18("3","4","10","4","3","2","1") = "9"
    & skf18("3","4","10","4","3","3","1") = "9"
    & skf18("3","4","10","4","3","4","1") = "9"
    & skf18("3","4","10","4","3","5","1") = "9"
    & skf18("3","4","10","4","3","6","1") = "9"
    & skf18("3","4","10","4","3","7","1") = "9"
    & skf18("3","4","10","4","3","8","1") = "9"
    & skf18("3","4","10","4","3","9","1") = "9"
    & skf18("3","4","10","4","3","10","1") = "9"
    & skf18("3","4","10","4","4","1","1") = "9"
    & skf18("3","4","10","4","4","2","1") = "9"
    & skf18("3","4","10","4","4","3","1") = "9"
    & skf18("3","4","10","4","4","4","1") = "9"
    & skf18("3","4","10","4","4","5","1") = "9"
    & skf18("3","4","10","4","4","6","1") = "9"
    & skf18("3","4","10","4","4","7","1") = "9"
    & skf18("3","4","10","4","4","8","1") = "9"
    & skf18("3","4","10","4","4","9","1") = "9"
    & skf18("3","4","10","4","4","10","1") = "9"
    & skf18("3","4","10","4","5","1","1") = "9"
    & skf18("3","4","10","4","5","2","1") = "9"
    & skf18("3","4","10","4","5","3","1") = "9"
    & skf18("3","4","10","4","5","4","1") = "9"
    & skf18("3","4","10","4","5","5","1") = "9"
    & skf18("3","4","10","4","5","6","1") = "9"
    & skf18("3","4","10","4","5","7","1") = "9"
    & skf18("3","4","10","4","5","8","1") = "9"
    & skf18("3","4","10","4","5","9","1") = "9"
    & skf18("3","4","10","4","5","10","1") = "9"
    & skf18("3","4","10","4","6","1","1") = "9"
    & skf18("3","4","10","4","6","2","1") = "9"
    & skf18("3","4","10","4","6","3","1") = "9"
    & skf18("3","4","10","4","6","4","1") = "9"
    & skf18("3","4","10","4","6","5","1") = "9"
    & skf18("3","4","10","4","6","6","1") = "9"
    & skf18("3","4","10","4","6","7","1") = "9"
    & skf18("3","4","10","4","6","8","1") = "9"
    & skf18("3","4","10","4","6","9","1") = "9"
    & skf18("3","4","10","4","6","10","1") = "9"
    & skf18("3","4","10","4","7","1","1") = "9"
    & skf18("3","4","10","4","7","2","1") = "9"
    & skf18("3","4","10","4","7","3","1") = "9"
    & skf18("3","4","10","4","7","4","1") = "9"
    & skf18("3","4","10","4","7","5","1") = "9"
    & skf18("3","4","10","4","7","6","1") = "9"
    & skf18("3","4","10","4","7","7","1") = "9"
    & skf18("3","4","10","4","7","8","1") = "9"
    & skf18("3","4","10","4","7","9","1") = "9"
    & skf18("3","4","10","4","7","10","1") = "9"
    & skf18("3","4","10","4","8","1","1") = "9"
    & skf18("3","4","10","4","8","2","1") = "9"
    & skf18("3","4","10","4","8","3","1") = "9"
    & skf18("3","4","10","4","8","4","1") = "9"
    & skf18("3","4","10","4","8","5","1") = "9"
    & skf18("3","4","10","4","8","6","1") = "9"
    & skf18("3","4","10","4","8","7","1") = "9"
    & skf18("3","4","10","4","8","8","1") = "9"
    & skf18("3","4","10","4","8","9","1") = "9"
    & skf18("3","4","10","4","8","10","1") = "9"
    & skf18("3","4","10","4","9","1","1") = "9"
    & skf18("3","4","10","4","9","2","1") = "9"
    & skf18("3","4","10","4","9","3","1") = "9"
    & skf18("3","4","10","4","9","4","1") = "9"
    & skf18("3","4","10","4","9","5","1") = "9"
    & skf18("3","4","10","4","9","6","1") = "9"
    & skf18("3","4","10","4","9","7","1") = "9"
    & skf18("3","4","10","4","9","8","1") = "9"
    & skf18("3","4","10","4","9","9","1") = "9"
    & skf18("3","4","10","4","9","10","1") = "9"
    & skf18("3","4","10","4","10","1","1") = "9"
    & skf18("3","4","10","4","10","2","1") = "9"
    & skf18("3","4","10","4","10","3","1") = "9"
    & skf18("3","4","10","4","10","4","1") = "9"
    & skf18("3","4","10","4","10","5","1") = "9"
    & skf18("3","4","10","4","10","6","1") = "9"
    & skf18("3","4","10","4","10","7","1") = "9"
    & skf18("3","4","10","4","10","8","1") = "9"
    & skf18("3","4","10","4","10","9","1") = "9"
    & skf18("3","4","10","4","10","10","1") = "9"
    & skf18("3","4","10","5","1","1","1") = "9"
    & skf18("3","4","10","5","1","2","1") = "9"
    & skf18("3","4","10","5","1","3","1") = "9"
    & skf18("3","4","10","5","1","4","1") = "9"
    & skf18("3","4","10","5","1","5","1") = "9"
    & skf18("3","4","10","5","1","6","1") = "9"
    & skf18("3","4","10","5","1","7","1") = "9"
    & skf18("3","4","10","5","1","8","1") = "9"
    & skf18("3","4","10","5","1","9","1") = "9"
    & skf18("3","4","10","5","1","10","1") = "9"
    & skf18("3","4","10","5","2","1","1") = "9"
    & skf18("3","4","10","5","2","2","1") = "9"
    & skf18("3","4","10","5","2","3","1") = "9"
    & skf18("3","4","10","5","2","4","1") = "9"
    & skf18("3","4","10","5","2","5","1") = "9"
    & skf18("3","4","10","5","2","6","1") = "9"
    & skf18("3","4","10","5","2","7","1") = "9"
    & skf18("3","4","10","5","2","8","1") = "9"
    & skf18("3","4","10","5","2","9","1") = "9"
    & skf18("3","4","10","5","2","10","1") = "9"
    & skf18("3","4","10","5","3","1","1") = "9"
    & skf18("3","4","10","5","3","2","1") = "9"
    & skf18("3","4","10","5","3","3","1") = "9"
    & skf18("3","4","10","5","3","4","1") = "9"
    & skf18("3","4","10","5","3","5","1") = "9"
    & skf18("3","4","10","5","3","6","1") = "9"
    & skf18("3","4","10","5","3","7","1") = "9"
    & skf18("3","4","10","5","3","8","1") = "9"
    & skf18("3","4","10","5","3","9","1") = "9"
    & skf18("3","4","10","5","3","10","1") = "9"
    & skf18("3","4","10","5","4","1","1") = "9"
    & skf18("3","4","10","5","4","2","1") = "9"
    & skf18("3","4","10","5","4","3","1") = "9"
    & skf18("3","4","10","5","4","4","1") = "9"
    & skf18("3","4","10","5","4","5","1") = "9"
    & skf18("3","4","10","5","4","6","1") = "9"
    & skf18("3","4","10","5","4","7","1") = "9"
    & skf18("3","4","10","5","4","8","1") = "9"
    & skf18("3","4","10","5","4","9","1") = "9"
    & skf18("3","4","10","5","4","10","1") = "9"
    & skf18("3","4","10","5","5","1","1") = "9"
    & skf18("3","4","10","5","5","2","1") = "9"
    & skf18("3","4","10","5","5","3","1") = "9"
    & skf18("3","4","10","5","5","4","1") = "9"
    & skf18("3","4","10","5","5","5","1") = "9"
    & skf18("3","4","10","5","5","6","1") = "9"
    & skf18("3","4","10","5","5","7","1") = "9"
    & skf18("3","4","10","5","5","8","1") = "9"
    & skf18("3","4","10","5","5","9","1") = "9"
    & skf18("3","4","10","5","5","10","1") = "9"
    & skf18("3","4","10","5","6","1","1") = "9"
    & skf18("3","4","10","5","6","2","1") = "9"
    & skf18("3","4","10","5","6","3","1") = "9"
    & skf18("3","4","10","5","6","4","1") = "9"
    & skf18("3","4","10","5","6","5","1") = "9"
    & skf18("3","4","10","5","6","6","1") = "9"
    & skf18("3","4","10","5","6","7","1") = "9"
    & skf18("3","4","10","5","6","8","1") = "9"
    & skf18("3","4","10","5","6","9","1") = "9"
    & skf18("3","4","10","5","6","10","1") = "9"
    & skf18("3","4","10","5","7","1","1") = "9"
    & skf18("3","4","10","5","7","2","1") = "9"
    & skf18("3","4","10","5","7","3","1") = "9"
    & skf18("3","4","10","5","7","4","1") = "9"
    & skf18("3","4","10","5","7","5","1") = "9"
    & skf18("3","4","10","5","7","6","1") = "9"
    & skf18("3","4","10","5","7","7","1") = "9"
    & skf18("3","4","10","5","7","8","1") = "9"
    & skf18("3","4","10","5","7","9","1") = "9"
    & skf18("3","4","10","5","7","10","1") = "9"
    & skf18("3","4","10","5","8","1","1") = "9"
    & skf18("3","4","10","5","8","2","1") = "9"
    & skf18("3","4","10","5","8","3","1") = "9"
    & skf18("3","4","10","5","8","4","1") = "9"
    & skf18("3","4","10","5","8","5","1") = "9"
    & skf18("3","4","10","5","8","6","1") = "9"
    & skf18("3","4","10","5","8","7","1") = "9"
    & skf18("3","4","10","5","8","8","1") = "9"
    & skf18("3","4","10","5","8","9","1") = "9"
    & skf18("3","4","10","5","8","10","1") = "9"
    & skf18("3","4","10","5","9","1","1") = "9"
    & skf18("3","4","10","5","9","2","1") = "9"
    & skf18("3","4","10","5","9","3","1") = "9"
    & skf18("3","4","10","5","9","4","1") = "9"
    & skf18("3","4","10","5","9","5","1") = "9"
    & skf18("3","4","10","5","9","6","1") = "9"
    & skf18("3","4","10","5","9","7","1") = "9"
    & skf18("3","4","10","5","9","8","1") = "9"
    & skf18("3","4","10","5","9","9","1") = "9"
    & skf18("3","4","10","5","9","10","1") = "9"
    & skf18("3","4","10","5","10","1","1") = "9"
    & skf18("3","4","10","5","10","2","1") = "9"
    & skf18("3","4","10","5","10","3","1") = "9"
    & skf18("3","4","10","5","10","4","1") = "9"
    & skf18("3","4","10","5","10","5","1") = "9"
    & skf18("3","4","10","5","10","6","1") = "9"
    & skf18("3","4","10","5","10","7","1") = "9"
    & skf18("3","4","10","5","10","8","1") = "9"
    & skf18("3","4","10","5","10","9","1") = "9"
    & skf18("3","4","10","5","10","10","1") = "9"
    & skf18("3","4","10","6","1","1","1") = "9"
    & skf18("3","4","10","6","1","2","1") = "9"
    & skf18("3","4","10","6","1","3","1") = "9"
    & skf18("3","4","10","6","1","4","1") = "9"
    & skf18("3","4","10","6","1","5","1") = "9"
    & skf18("3","4","10","6","1","6","1") = "9"
    & skf18("3","4","10","6","1","7","1") = "9"
    & skf18("3","4","10","6","1","8","1") = "9"
    & skf18("3","4","10","6","1","9","1") = "9"
    & skf18("3","4","10","6","1","10","1") = "9"
    & skf18("3","4","10","6","2","1","1") = "9"
    & skf18("3","4","10","6","2","2","1") = "9"
    & skf18("3","4","10","6","2","3","1") = "9"
    & skf18("3","4","10","6","2","4","1") = "9"
    & skf18("3","4","10","6","2","5","1") = "9"
    & skf18("3","4","10","6","2","6","1") = "9"
    & skf18("3","4","10","6","2","7","1") = "9"
    & skf18("3","4","10","6","2","8","1") = "9"
    & skf18("3","4","10","6","2","9","1") = "9"
    & skf18("3","4","10","6","2","10","1") = "9"
    & skf18("3","4","10","6","3","1","1") = "9"
    & skf18("3","4","10","6","3","2","1") = "9"
    & skf18("3","4","10","6","3","3","1") = "9"
    & skf18("3","4","10","6","3","4","1") = "9"
    & skf18("3","4","10","6","3","5","1") = "9"
    & skf18("3","4","10","6","3","6","1") = "9"
    & skf18("3","4","10","6","3","7","1") = "9"
    & skf18("3","4","10","6","3","8","1") = "9"
    & skf18("3","4","10","6","3","9","1") = "9"
    & skf18("3","4","10","6","3","10","1") = "9"
    & skf18("3","4","10","6","4","1","1") = "9"
    & skf18("3","4","10","6","4","2","1") = "9"
    & skf18("3","4","10","6","4","3","1") = "9"
    & skf18("3","4","10","6","4","4","1") = "9"
    & skf18("3","4","10","6","4","5","1") = "9"
    & skf18("3","4","10","6","4","6","1") = "9"
    & skf18("3","4","10","6","4","7","1") = "9"
    & skf18("3","4","10","6","4","8","1") = "9"
    & skf18("3","4","10","6","4","9","1") = "9"
    & skf18("3","4","10","6","4","10","1") = "9"
    & skf18("3","4","10","6","5","1","1") = "9"
    & skf18("3","4","10","6","5","2","1") = "9"
    & skf18("3","4","10","6","5","3","1") = "9"
    & skf18("3","4","10","6","5","4","1") = "9"
    & skf18("3","4","10","6","5","5","1") = "9"
    & skf18("3","4","10","6","5","6","1") = "9"
    & skf18("3","4","10","6","5","7","1") = "9"
    & skf18("3","4","10","6","5","8","1") = "9"
    & skf18("3","4","10","6","5","9","1") = "9"
    & skf18("3","4","10","6","5","10","1") = "9"
    & skf18("3","4","10","6","6","1","1") = "9"
    & skf18("3","4","10","6","6","2","1") = "9"
    & skf18("3","4","10","6","6","3","1") = "9"
    & skf18("3","4","10","6","6","4","1") = "9"
    & skf18("3","4","10","6","6","5","1") = "9"
    & skf18("3","4","10","6","6","6","1") = "9"
    & skf18("3","4","10","6","6","7","1") = "9"
    & skf18("3","4","10","6","6","8","1") = "9"
    & skf18("3","4","10","6","6","9","1") = "9"
    & skf18("3","4","10","6","6","10","1") = "9"
    & skf18("3","4","10","6","7","1","1") = "9"
    & skf18("3","4","10","6","7","2","1") = "9"
    & skf18("3","4","10","6","7","3","1") = "9"
    & skf18("3","4","10","6","7","4","1") = "9"
    & skf18("3","4","10","6","7","5","1") = "9"
    & skf18("3","4","10","6","7","6","1") = "9"
    & skf18("3","4","10","6","7","7","1") = "9"
    & skf18("3","4","10","6","7","8","1") = "9"
    & skf18("3","4","10","6","7","9","1") = "9"
    & skf18("3","4","10","6","7","10","1") = "9"
    & skf18("3","4","10","6","8","1","1") = "9"
    & skf18("3","4","10","6","8","2","1") = "9"
    & skf18("3","4","10","6","8","3","1") = "9"
    & skf18("3","4","10","6","8","4","1") = "9"
    & skf18("3","4","10","6","8","5","1") = "9"
    & skf18("3","4","10","6","8","6","1") = "9"
    & skf18("3","4","10","6","8","7","1") = "9"
    & skf18("3","4","10","6","8","8","1") = "9"
    & skf18("3","4","10","6","8","9","1") = "9"
    & skf18("3","4","10","6","8","10","1") = "9"
    & skf18("3","4","10","6","9","1","1") = "9"
    & skf18("3","4","10","6","9","2","1") = "9"
    & skf18("3","4","10","6","9","3","1") = "9"
    & skf18("3","4","10","6","9","4","1") = "9"
    & skf18("3","4","10","6","9","5","1") = "9"
    & skf18("3","4","10","6","9","6","1") = "9"
    & skf18("3","4","10","6","9","7","1") = "9"
    & skf18("3","4","10","6","9","8","1") = "9"
    & skf18("3","4","10","6","9","9","1") = "9"
    & skf18("3","4","10","6","9","10","1") = "9"
    & skf18("3","4","10","6","10","1","1") = "9"
    & skf18("3","4","10","6","10","2","1") = "9"
    & skf18("3","4","10","6","10","3","1") = "9"
    & skf18("3","4","10","6","10","4","1") = "9"
    & skf18("3","4","10","6","10","5","1") = "9"
    & skf18("3","4","10","6","10","6","1") = "9"
    & skf18("3","4","10","6","10","7","1") = "9"
    & skf18("3","4","10","6","10","8","1") = "9"
    & skf18("3","4","10","6","10","9","1") = "9"
    & skf18("3","4","10","6","10","10","1") = "9"
    & skf18("3","4","10","7","1","1","1") = "9"
    & skf18("3","4","10","7","1","2","1") = "9"
    & skf18("3","4","10","7","1","3","1") = "9"
    & skf18("3","4","10","7","1","4","1") = "9"
    & skf18("3","4","10","7","1","5","1") = "9"
    & skf18("3","4","10","7","1","6","1") = "9"
    & skf18("3","4","10","7","1","7","1") = "9"
    & skf18("3","4","10","7","1","8","1") = "9"
    & skf18("3","4","10","7","1","9","1") = "9"
    & skf18("3","4","10","7","1","10","1") = "9"
    & skf18("3","4","10","7","2","1","1") = "9"
    & skf18("3","4","10","7","2","2","1") = "9"
    & skf18("3","4","10","7","2","3","1") = "9"
    & skf18("3","4","10","7","2","4","1") = "9"
    & skf18("3","4","10","7","2","5","1") = "9"
    & skf18("3","4","10","7","2","6","1") = "9"
    & skf18("3","4","10","7","2","7","1") = "9"
    & skf18("3","4","10","7","2","8","1") = "9"
    & skf18("3","4","10","7","2","9","1") = "9"
    & skf18("3","4","10","7","2","10","1") = "9"
    & skf18("3","4","10","7","3","1","1") = "9"
    & skf18("3","4","10","7","3","2","1") = "9"
    & skf18("3","4","10","7","3","3","1") = "9"
    & skf18("3","4","10","7","3","4","1") = "9"
    & skf18("3","4","10","7","3","5","1") = "9"
    & skf18("3","4","10","7","3","6","1") = "9"
    & skf18("3","4","10","7","3","7","1") = "9"
    & skf18("3","4","10","7","3","8","1") = "9"
    & skf18("3","4","10","7","3","9","1") = "9"
    & skf18("3","4","10","7","3","10","1") = "9"
    & skf18("3","4","10","7","4","1","1") = "9"
    & skf18("3","4","10","7","4","2","1") = "9"
    & skf18("3","4","10","7","4","3","1") = "9"
    & skf18("3","4","10","7","4","4","1") = "9"
    & skf18("3","4","10","7","4","5","1") = "9"
    & skf18("3","4","10","7","4","6","1") = "9"
    & skf18("3","4","10","7","4","7","1") = "9"
    & skf18("3","4","10","7","4","8","1") = "9"
    & skf18("3","4","10","7","4","9","1") = "9"
    & skf18("3","4","10","7","4","10","1") = "9"
    & skf18("3","4","10","7","5","1","1") = "9"
    & skf18("3","4","10","7","5","2","1") = "9"
    & skf18("3","4","10","7","5","3","1") = "9"
    & skf18("3","4","10","7","5","4","1") = "9"
    & skf18("3","4","10","7","5","5","1") = "9"
    & skf18("3","4","10","7","5","6","1") = "9"
    & skf18("3","4","10","7","5","7","1") = "9"
    & skf18("3","4","10","7","5","8","1") = "9"
    & skf18("3","4","10","7","5","9","1") = "9"
    & skf18("3","4","10","7","5","10","1") = "9"
    & skf18("3","4","10","7","6","1","1") = "9"
    & skf18("3","4","10","7","6","2","1") = "9"
    & skf18("3","4","10","7","6","3","1") = "9"
    & skf18("3","4","10","7","6","4","1") = "9"
    & skf18("3","4","10","7","6","5","1") = "9"
    & skf18("3","4","10","7","6","6","1") = "9"
    & skf18("3","4","10","7","6","7","1") = "9"
    & skf18("3","4","10","7","6","8","1") = "9"
    & skf18("3","4","10","7","6","9","1") = "9"
    & skf18("3","4","10","7","6","10","1") = "9"
    & skf18("3","4","10","7","7","1","1") = "9"
    & skf18("3","4","10","7","7","2","1") = "9"
    & skf18("3","4","10","7","7","3","1") = "9"
    & skf18("3","4","10","7","7","4","1") = "9"
    & skf18("3","4","10","7","7","5","1") = "9"
    & skf18("3","4","10","7","7","6","1") = "9"
    & skf18("3","4","10","7","7","7","1") = "9"
    & skf18("3","4","10","7","7","8","1") = "9"
    & skf18("3","4","10","7","7","9","1") = "9"
    & skf18("3","4","10","7","7","10","1") = "9"
    & skf18("3","4","10","7","8","1","1") = "9"
    & skf18("3","4","10","7","8","2","1") = "9"
    & skf18("3","4","10","7","8","3","1") = "9"
    & skf18("3","4","10","7","8","4","1") = "9"
    & skf18("3","4","10","7","8","5","1") = "9"
    & skf18("3","4","10","7","8","6","1") = "9"
    & skf18("3","4","10","7","8","7","1") = "9"
    & skf18("3","4","10","7","8","8","1") = "9"
    & skf18("3","4","10","7","8","9","1") = "9"
    & skf18("3","4","10","7","8","10","1") = "9"
    & skf18("3","4","10","7","9","1","1") = "9"
    & skf18("3","4","10","7","9","2","1") = "9"
    & skf18("3","4","10","7","9","3","1") = "9"
    & skf18("3","4","10","7","9","4","1") = "9"
    & skf18("3","4","10","7","9","5","1") = "9"
    & skf18("3","4","10","7","9","6","1") = "9"
    & skf18("3","4","10","7","9","7","1") = "9"
    & skf18("3","4","10","7","9","8","1") = "9"
    & skf18("3","4","10","7","9","9","1") = "9"
    & skf18("3","4","10","7","9","10","1") = "9"
    & skf18("3","4","10","7","10","1","1") = "9"
    & skf18("3","4","10","7","10","2","1") = "9"
    & skf18("3","4","10","7","10","3","1") = "9"
    & skf18("3","4","10","7","10","4","1") = "9"
    & skf18("3","4","10","7","10","5","1") = "9"
    & skf18("3","4","10","7","10","6","1") = "9"
    & skf18("3","4","10","7","10","7","1") = "9"
    & skf18("3","4","10","7","10","8","1") = "9"
    & skf18("3","4","10","7","10","9","1") = "9"
    & skf18("3","4","10","7","10","10","1") = "9"
    & skf18("3","4","10","8","1","1","1") = "9"
    & skf18("3","4","10","8","1","2","1") = "9"
    & skf18("3","4","10","8","1","3","1") = "9"
    & skf18("3","4","10","8","1","4","1") = "9"
    & skf18("3","4","10","8","1","5","1") = "9"
    & skf18("3","4","10","8","1","6","1") = "9"
    & skf18("3","4","10","8","1","7","1") = "9"
    & skf18("3","4","10","8","1","8","1") = "9"
    & skf18("3","4","10","8","1","9","1") = "9"
    & skf18("3","4","10","8","1","10","1") = "9"
    & skf18("3","4","10","8","2","1","1") = "9"
    & skf18("3","4","10","8","2","2","1") = "9"
    & skf18("3","4","10","8","2","3","1") = "9"
    & skf18("3","4","10","8","2","4","1") = "9"
    & skf18("3","4","10","8","2","5","1") = "9"
    & skf18("3","4","10","8","2","6","1") = "9"
    & skf18("3","4","10","8","2","7","1") = "9"
    & skf18("3","4","10","8","2","8","1") = "9"
    & skf18("3","4","10","8","2","9","1") = "9"
    & skf18("3","4","10","8","2","10","1") = "9"
    & skf18("3","4","10","8","3","1","1") = "9"
    & skf18("3","4","10","8","3","2","1") = "9"
    & skf18("3","4","10","8","3","3","1") = "9"
    & skf18("3","4","10","8","3","4","1") = "9"
    & skf18("3","4","10","8","3","5","1") = "9"
    & skf18("3","4","10","8","3","6","1") = "9"
    & skf18("3","4","10","8","3","7","1") = "9"
    & skf18("3","4","10","8","3","8","1") = "9"
    & skf18("3","4","10","8","3","9","1") = "9"
    & skf18("3","4","10","8","3","10","1") = "9"
    & skf18("3","4","10","8","4","1","1") = "9"
    & skf18("3","4","10","8","4","2","1") = "9"
    & skf18("3","4","10","8","4","3","1") = "9"
    & skf18("3","4","10","8","4","4","1") = "9"
    & skf18("3","4","10","8","4","5","1") = "9"
    & skf18("3","4","10","8","4","6","1") = "9"
    & skf18("3","4","10","8","4","7","1") = "9"
    & skf18("3","4","10","8","4","8","1") = "9"
    & skf18("3","4","10","8","4","9","1") = "9"
    & skf18("3","4","10","8","4","10","1") = "9"
    & skf18("3","4","10","8","5","1","1") = "9"
    & skf18("3","4","10","8","5","2","1") = "9"
    & skf18("3","4","10","8","5","3","1") = "9"
    & skf18("3","4","10","8","5","4","1") = "9"
    & skf18("3","4","10","8","5","5","1") = "9"
    & skf18("3","4","10","8","5","6","1") = "9"
    & skf18("3","4","10","8","5","7","1") = "9"
    & skf18("3","4","10","8","5","8","1") = "9"
    & skf18("3","4","10","8","5","9","1") = "9"
    & skf18("3","4","10","8","5","10","1") = "9"
    & skf18("3","4","10","8","6","1","1") = "9"
    & skf18("3","4","10","8","6","2","1") = "9"
    & skf18("3","4","10","8","6","3","1") = "9"
    & skf18("3","4","10","8","6","4","1") = "9"
    & skf18("3","4","10","8","6","5","1") = "9"
    & skf18("3","4","10","8","6","6","1") = "9"
    & skf18("3","4","10","8","6","7","1") = "9"
    & skf18("3","4","10","8","6","8","1") = "9"
    & skf18("3","4","10","8","6","9","1") = "9"
    & skf18("3","4","10","8","6","10","1") = "9"
    & skf18("3","4","10","8","7","1","1") = "9"
    & skf18("3","4","10","8","7","2","1") = "9"
    & skf18("3","4","10","8","7","3","1") = "9"
    & skf18("3","4","10","8","7","4","1") = "9"
    & skf18("3","4","10","8","7","5","1") = "9"
    & skf18("3","4","10","8","7","6","1") = "9"
    & skf18("3","4","10","8","7","7","1") = "9"
    & skf18("3","4","10","8","7","8","1") = "9"
    & skf18("3","4","10","8","7","9","1") = "9"
    & skf18("3","4","10","8","7","10","1") = "9"
    & skf18("3","4","10","8","8","1","1") = "9"
    & skf18("3","4","10","8","8","2","1") = "9"
    & skf18("3","4","10","8","8","3","1") = "9"
    & skf18("3","4","10","8","8","4","1") = "9"
    & skf18("3","4","10","8","8","5","1") = "9"
    & skf18("3","4","10","8","8","6","1") = "9"
    & skf18("3","4","10","8","8","7","1") = "9"
    & skf18("3","4","10","8","8","8","1") = "9"
    & skf18("3","4","10","8","8","9","1") = "9"
    & skf18("3","4","10","8","8","10","1") = "9"
    & skf18("3","4","10","8","9","1","1") = "9"
    & skf18("3","4","10","8","9","2","1") = "9"
    & skf18("3","4","10","8","9","3","1") = "9"
    & skf18("3","4","10","8","9","4","1") = "9"
    & skf18("3","4","10","8","9","5","1") = "9"
    & skf18("3","4","10","8","9","6","1") = "9"
    & skf18("3","4","10","8","9","7","1") = "9"
    & skf18("3","4","10","8","9","8","1") = "9"
    & skf18("3","4","10","8","9","9","1") = "9"
    & skf18("3","4","10","8","9","10","1") = "9"
    & skf18("3","4","10","8","10","1","1") = "9"
    & skf18("3","4","10","8","10","2","1") = "9"
    & skf18("3","4","10","8","10","3","1") = "9"
    & skf18("3","4","10","8","10","4","1") = "9"
    & skf18("3","4","10","8","10","5","1") = "9"
    & skf18("3","4","10","8","10","6","1") = "9"
    & skf18("3","4","10","8","10","7","1") = "9"
    & skf18("3","4","10","8","10","8","1") = "9"
    & skf18("3","4","10","8","10","9","1") = "9"
    & skf18("3","4","10","8","10","10","1") = "9"
    & skf18("3","4","10","9","1","1","1") = "9"
    & skf18("3","4","10","9","1","2","1") = "9"
    & skf18("3","4","10","9","1","3","1") = "9"
    & skf18("3","4","10","9","1","4","1") = "9"
    & skf18("3","4","10","9","1","5","1") = "9"
    & skf18("3","4","10","9","1","6","1") = "9"
    & skf18("3","4","10","9","1","7","1") = "9"
    & skf18("3","4","10","9","1","8","1") = "9"
    & skf18("3","4","10","9","1","9","1") = "9"
    & skf18("3","4","10","9","1","10","1") = "9"
    & skf18("3","4","10","9","2","1","1") = "9"
    & skf18("3","4","10","9","2","2","1") = "9"
    & skf18("3","4","10","9","2","3","1") = "9"
    & skf18("3","4","10","9","2","4","1") = "9"
    & skf18("3","4","10","9","2","5","1") = "9"
    & skf18("3","4","10","9","2","6","1") = "9"
    & skf18("3","4","10","9","2","7","1") = "9"
    & skf18("3","4","10","9","2","8","1") = "9"
    & skf18("3","4","10","9","2","9","1") = "9"
    & skf18("3","4","10","9","2","10","1") = "9"
    & skf18("3","4","10","9","3","1","1") = "9"
    & skf18("3","4","10","9","3","2","1") = "9"
    & skf18("3","4","10","9","3","3","1") = "9"
    & skf18("3","4","10","9","3","4","1") = "9"
    & skf18("3","4","10","9","3","5","1") = "9"
    & skf18("3","4","10","9","3","6","1") = "9"
    & skf18("3","4","10","9","3","7","1") = "9"
    & skf18("3","4","10","9","3","8","1") = "9"
    & skf18("3","4","10","9","3","9","1") = "9"
    & skf18("3","4","10","9","3","10","1") = "9"
    & skf18("3","4","10","9","4","1","1") = "9"
    & skf18("3","4","10","9","4","2","1") = "9"
    & skf18("3","4","10","9","4","3","1") = "9"
    & skf18("3","4","10","9","4","4","1") = "9"
    & skf18("3","4","10","9","4","5","1") = "9"
    & skf18("3","4","10","9","4","6","1") = "9"
    & skf18("3","4","10","9","4","7","1") = "9"
    & skf18("3","4","10","9","4","8","1") = "9"
    & skf18("3","4","10","9","4","9","1") = "9"
    & skf18("3","4","10","9","4","10","1") = "9"
    & skf18("3","4","10","9","5","1","1") = "9"
    & skf18("3","4","10","9","5","2","1") = "9"
    & skf18("3","4","10","9","5","3","1") = "9"
    & skf18("3","4","10","9","5","4","1") = "9"
    & skf18("3","4","10","9","5","5","1") = "9"
    & skf18("3","4","10","9","5","6","1") = "9"
    & skf18("3","4","10","9","5","7","1") = "9"
    & skf18("3","4","10","9","5","8","1") = "9"
    & skf18("3","4","10","9","5","9","1") = "9"
    & skf18("3","4","10","9","5","10","1") = "9"
    & skf18("3","4","10","9","6","1","1") = "9"
    & skf18("3","4","10","9","6","2","1") = "9"
    & skf18("3","4","10","9","6","3","1") = "9"
    & skf18("3","4","10","9","6","4","1") = "9"
    & skf18("3","4","10","9","6","5","1") = "9"
    & skf18("3","4","10","9","6","6","1") = "9"
    & skf18("3","4","10","9","6","7","1") = "9"
    & skf18("3","4","10","9","6","8","1") = "9"
    & skf18("3","4","10","9","6","9","1") = "9"
    & skf18("3","4","10","9","6","10","1") = "9"
    & skf18("3","4","10","9","7","1","1") = "9"
    & skf18("3","4","10","9","7","2","1") = "9"
    & skf18("3","4","10","9","7","3","1") = "9"
    & skf18("3","4","10","9","7","4","1") = "9"
    & skf18("3","4","10","9","7","5","1") = "9"
    & skf18("3","4","10","9","7","6","1") = "9"
    & skf18("3","4","10","9","7","7","1") = "9"
    & skf18("3","4","10","9","7","8","1") = "9"
    & skf18("3","4","10","9","7","9","1") = "9"
    & skf18("3","4","10","9","7","10","1") = "9"
    & skf18("3","4","10","9","8","1","1") = "9"
    & skf18("3","4","10","9","8","2","1") = "9"
    & skf18("3","4","10","9","8","3","1") = "9"
    & skf18("3","4","10","9","8","4","1") = "9"
    & skf18("3","4","10","9","8","5","1") = "9"
    & skf18("3","4","10","9","8","6","1") = "9"
    & skf18("3","4","10","9","8","7","1") = "9"
    & skf18("3","4","10","9","8","8","1") = "9"
    & skf18("3","4","10","9","8","9","1") = "9"
    & skf18("3","4","10","9","8","10","1") = "9"
    & skf18("3","4","10","9","9","1","1") = "9"
    & skf18("3","4","10","9","9","2","1") = "9"
    & skf18("3","4","10","9","9","3","1") = "9"
    & skf18("3","4","10","9","9","4","1") = "9"
    & skf18("3","4","10","9","9","5","1") = "9"
    & skf18("3","4","10","9","9","6","1") = "9"
    & skf18("3","4","10","9","9","7","1") = "9"
    & skf18("3","4","10","9","9","8","1") = "9"
    & skf18("3","4","10","9","9","9","1") = "9"
    & skf18("3","4","10","9","9","10","1") = "9"
    & skf18("3","4","10","9","10","1","1") = "9"
    & skf18("3","4","10","9","10","2","1") = "9"
    & skf18("3","4","10","9","10","3","1") = "9"
    & skf18("3","4","10","9","10","4","1") = "9"
    & skf18("3","4","10","9","10","5","1") = "9"
    & skf18("3","4","10","9","10","6","1") = "9"
    & skf18("3","4","10","9","10","7","1") = "9"
    & skf18("3","4","10","9","10","8","1") = "9"
    & skf18("3","4","10","9","10","9","1") = "9"
    & skf18("3","4","10","9","10","10","1") = "9"
    & skf18("3","4","10","10","1","1","1") = "9"
    & skf18("3","4","10","10","1","2","1") = "9"
    & skf18("3","4","10","10","1","3","1") = "9"
    & skf18("3","4","10","10","1","4","1") = "9"
    & skf18("3","4","10","10","1","5","1") = "9"
    & skf18("3","4","10","10","1","6","1") = "9"
    & skf18("3","4","10","10","1","7","1") = "9"
    & skf18("3","4","10","10","1","8","1") = "9"
    & skf18("3","4","10","10","1","9","1") = "9"
    & skf18("3","4","10","10","1","10","1") = "9"
    & skf18("3","4","10","10","2","1","1") = "9"
    & skf18("3","4","10","10","2","2","1") = "9"
    & skf18("3","4","10","10","2","3","1") = "9"
    & skf18("3","4","10","10","2","4","1") = "9"
    & skf18("3","4","10","10","2","5","1") = "9"
    & skf18("3","4","10","10","2","6","1") = "9"
    & skf18("3","4","10","10","2","7","1") = "9"
    & skf18("3","4","10","10","2","8","1") = "9"
    & skf18("3","4","10","10","2","9","1") = "9"
    & skf18("3","4","10","10","2","10","1") = "9"
    & skf18("3","4","10","10","3","1","1") = "9"
    & skf18("3","4","10","10","3","2","1") = "9"
    & skf18("3","4","10","10","3","3","1") = "9"
    & skf18("3","4","10","10","3","4","1") = "9"
    & skf18("3","4","10","10","3","5","1") = "9"
    & skf18("3","4","10","10","3","6","1") = "9"
    & skf18("3","4","10","10","3","7","1") = "9"
    & skf18("3","4","10","10","3","8","1") = "9"
    & skf18("3","4","10","10","3","9","1") = "9"
    & skf18("3","4","10","10","3","10","1") = "9"
    & skf18("3","4","10","10","4","1","1") = "9"
    & skf18("3","4","10","10","4","2","1") = "9"
    & skf18("3","4","10","10","4","3","1") = "9"
    & skf18("3","4","10","10","4","4","1") = "9"
    & skf18("3","4","10","10","4","5","1") = "9"
    & skf18("3","4","10","10","4","6","1") = "9"
    & skf18("3","4","10","10","4","7","1") = "9"
    & skf18("3","4","10","10","4","8","1") = "9"
    & skf18("3","4","10","10","4","9","1") = "9"
    & skf18("3","4","10","10","4","10","1") = "9"
    & skf18("3","4","10","10","5","1","1") = "9"
    & skf18("3","4","10","10","5","2","1") = "9"
    & skf18("3","4","10","10","5","3","1") = "9"
    & skf18("3","4","10","10","5","4","1") = "9"
    & skf18("3","4","10","10","5","5","1") = "9"
    & skf18("3","4","10","10","5","6","1") = "9"
    & skf18("3","4","10","10","5","7","1") = "9"
    & skf18("3","4","10","10","5","8","1") = "9"
    & skf18("3","4","10","10","5","9","1") = "9"
    & skf18("3","4","10","10","5","10","1") = "9"
    & skf18("3","4","10","10","6","1","1") = "9"
    & skf18("3","4","10","10","6","2","1") = "9"
    & skf18("3","4","10","10","6","3","1") = "9"
    & skf18("3","4","10","10","6","4","1") = "9"
    & skf18("3","4","10","10","6","5","1") = "9"
    & skf18("3","4","10","10","6","6","1") = "9"
    & skf18("3","4","10","10","6","7","1") = "9"
    & skf18("3","4","10","10","6","8","1") = "9"
    & skf18("3","4","10","10","6","9","1") = "9"
    & skf18("3","4","10","10","6","10","1") = "9"
    & skf18("3","4","10","10","7","1","1") = "9"
    & skf18("3","4","10","10","7","2","1") = "9"
    & skf18("3","4","10","10","7","3","1") = "9"
    & skf18("3","4","10","10","7","4","1") = "9"
    & skf18("3","4","10","10","7","5","1") = "9"
    & skf18("3","4","10","10","7","6","1") = "9"
    & skf18("3","4","10","10","7","7","1") = "9"
    & skf18("3","4","10","10","7","8","1") = "9"
    & skf18("3","4","10","10","7","9","1") = "9"
    & skf18("3","4","10","10","7","10","1") = "9"
    & skf18("3","4","10","10","8","1","1") = "9"
    & skf18("3","4","10","10","8","2","1") = "9"
    & skf18("3","4","10","10","8","3","1") = "9"
    & skf18("3","4","10","10","8","4","1") = "9"
    & skf18("3","4","10","10","8","5","1") = "9"
    & skf18("3","4","10","10","8","6","1") = "9"
    & skf18("3","4","10","10","8","7","1") = "9"
    & skf18("3","4","10","10","8","8","1") = "9"
    & skf18("3","4","10","10","8","9","1") = "9"
    & skf18("3","4","10","10","8","10","1") = "9"
    & skf18("3","4","10","10","9","1","1") = "9"
    & skf18("3","4","10","10","9","2","1") = "9"
    & skf18("3","4","10","10","9","3","1") = "9"
    & skf18("3","4","10","10","9","4","1") = "9"
    & skf18("3","4","10","10","9","5","1") = "9"
    & skf18("3","4","10","10","9","6","1") = "9"
    & skf18("3","4","10","10","9","7","1") = "9"
    & skf18("3","4","10","10","9","8","1") = "9"
    & skf18("3","4","10","10","9","9","1") = "9"
    & skf18("3","4","10","10","9","10","1") = "9"
    & skf18("3","4","10","10","10","1","1") = "9"
    & skf18("3","4","10","10","10","2","1") = "9"
    & skf18("3","4","10","10","10","3","1") = "9"
    & skf18("3","4","10","10","10","4","1") = "9"
    & skf18("3","4","10","10","10","5","1") = "9"
    & skf18("3","4","10","10","10","6","1") = "9"
    & skf18("3","4","10","10","10","7","1") = "9"
    & skf18("3","4","10","10","10","8","1") = "9"
    & skf18("3","4","10","10","10","9","1") = "9"
    & skf18("3","4","10","10","10","10","1") = "9"
    & skf18("3","5","1","1","1","1","1") = "4"
    & skf18("3","5","1","1","1","2","1") = "4"
    & skf18("3","5","1","1","1","3","1") = "4"
    & skf18("3","5","1","1","1","4","1") = "4"
    & skf18("3","5","1","1","1","5","1") = "4"
    & skf18("3","5","1","1","1","6","1") = "5"
    & skf18("3","5","1","1","1","7","1") = "6"
    & skf18("3","5","1","1","1","8","1") = "7"
    & skf18("3","5","1","1","1","9","1") = "8"
    & skf18("3","5","1","1","1","10","1") = "9"
    & skf18("3","5","1","1","2","1","1") = "4"
    & skf18("3","5","1","1","2","2","1") = "4"
    & skf18("3","5","1","1","2","3","1") = "4"
    & skf18("3","5","1","1","2","4","1") = "4"
    & skf18("3","5","1","1","2","5","1") = "4"
    & skf18("3","5","1","1","2","6","1") = "5"
    & skf18("3","5","1","1","2","7","1") = "6"
    & skf18("3","5","1","1","2","8","1") = "7"
    & skf18("3","5","1","1","2","9","1") = "8"
    & skf18("3","5","1","1","2","10","1") = "9"
    & skf18("3","5","1","1","3","1","1") = "4"
    & skf18("3","5","1","1","3","2","1") = "4"
    & skf18("3","5","1","1","3","3","1") = "4"
    & skf18("3","5","1","1","3","4","1") = "4"
    & skf18("3","5","1","1","3","5","1") = "4"
    & skf18("3","5","1","1","3","6","1") = "5"
    & skf18("3","5","1","1","3","7","1") = "6"
    & skf18("3","5","1","1","3","8","1") = "7"
    & skf18("3","5","1","1","3","9","1") = "8"
    & skf18("3","5","1","1","3","10","1") = "9"
    & skf18("3","5","1","1","4","1","1") = "4"
    & skf18("3","5","1","1","4","2","1") = "4"
    & skf18("3","5","1","1","4","3","1") = "4"
    & skf18("3","5","1","1","4","4","1") = "4"
    & skf18("3","5","1","1","4","5","1") = "4"
    & skf18("3","5","1","1","4","6","1") = "5"
    & skf18("3","5","1","1","4","7","1") = "6"
    & skf18("3","5","1","1","4","8","1") = "7"
    & skf18("3","5","1","1","4","9","1") = "8"
    & skf18("3","5","1","1","4","10","1") = "9"
    & skf18("3","5","1","1","5","1","1") = "4"
    & skf18("3","5","1","1","5","2","1") = "4"
    & skf18("3","5","1","1","5","3","1") = "4"
    & skf18("3","5","1","1","5","4","1") = "4"
    & skf18("3","5","1","1","5","5","1") = "4"
    & skf18("3","5","1","1","5","6","1") = "5"
    & skf18("3","5","1","1","5","7","1") = "6"
    & skf18("3","5","1","1","5","8","1") = "7"
    & skf18("3","5","1","1","5","9","1") = "8"
    & skf18("3","5","1","1","5","10","1") = "9"
    & skf18("3","5","1","1","6","1","1") = "5"
    & skf18("3","5","1","1","6","2","1") = "5"
    & skf18("3","5","1","1","6","3","1") = "5"
    & skf18("3","5","1","1","6","4","1") = "5"
    & skf18("3","5","1","1","6","5","1") = "5"
    & skf18("3","5","1","1","6","6","1") = "5"
    & skf18("3","5","1","1","6","7","1") = "6"
    & skf18("3","5","1","1","6","8","1") = "7"
    & skf18("3","5","1","1","6","9","1") = "8"
    & skf18("3","5","1","1","6","10","1") = "9"
    & skf18("3","5","1","1","7","1","1") = "6"
    & skf18("3","5","1","1","7","2","1") = "6"
    & skf18("3","5","1","1","7","3","1") = "6"
    & skf18("3","5","1","1","7","4","1") = "6"
    & skf18("3","5","1","1","7","5","1") = "6"
    & skf18("3","5","1","1","7","6","1") = "6"
    & skf18("3","5","1","1","7","7","1") = "6"
    & skf18("3","5","1","1","7","8","1") = "7"
    & skf18("3","5","1","1","7","9","1") = "8"
    & skf18("3","5","1","1","7","10","1") = "9"
    & skf18("3","5","1","1","8","1","1") = "7"
    & skf18("3","5","1","1","8","2","1") = "7"
    & skf18("3","5","1","1","8","3","1") = "7"
    & skf18("3","5","1","1","8","4","1") = "7"
    & skf18("3","5","1","1","8","5","1") = "7"
    & skf18("3","5","1","1","8","6","1") = "7"
    & skf18("3","5","1","1","8","7","1") = "7"
    & skf18("3","5","1","1","8","8","1") = "7"
    & skf18("3","5","1","1","8","9","1") = "8"
    & skf18("3","5","1","1","8","10","1") = "9"
    & skf18("3","5","1","1","9","1","1") = "8"
    & skf18("3","5","1","1","9","2","1") = "8"
    & skf18("3","5","1","1","9","3","1") = "8"
    & skf18("3","5","1","1","9","4","1") = "8"
    & skf18("3","5","1","1","9","5","1") = "8"
    & skf18("3","5","1","1","9","6","1") = "8"
    & skf18("3","5","1","1","9","7","1") = "8"
    & skf18("3","5","1","1","9","8","1") = "8"
    & skf18("3","5","1","1","9","9","1") = "8"
    & skf18("3","5","1","1","9","10","1") = "9"
    & skf18("3","5","1","1","10","1","1") = "9"
    & skf18("3","5","1","1","10","2","1") = "9"
    & skf18("3","5","1","1","10","3","1") = "9"
    & skf18("3","5","1","1","10","4","1") = "9"
    & skf18("3","5","1","1","10","5","1") = "9"
    & skf18("3","5","1","1","10","6","1") = "9"
    & skf18("3","5","1","1","10","7","1") = "9"
    & skf18("3","5","1","1","10","8","1") = "9"
    & skf18("3","5","1","1","10","9","1") = "9"
    & skf18("3","5","1","1","10","10","1") = "9"
    & skf18("3","5","1","2","1","1","1") = "4"
    & skf18("3","5","1","2","1","2","1") = "4"
    & skf18("3","5","1","2","1","3","1") = "4"
    & skf18("3","5","1","2","1","4","1") = "4"
    & skf18("3","5","1","2","1","5","1") = "4"
    & skf18("3","5","1","2","1","6","1") = "5"
    & skf18("3","5","1","2","1","7","1") = "6"
    & skf18("3","5","1","2","1","8","1") = "7"
    & skf18("3","5","1","2","1","9","1") = "8"
    & skf18("3","5","1","2","1","10","1") = "9"
    & skf18("3","5","1","2","2","1","1") = "4"
    & skf18("3","5","1","2","2","2","1") = "4"
    & skf18("3","5","1","2","2","3","1") = "4"
    & skf18("3","5","1","2","2","4","1") = "4"
    & skf18("3","5","1","2","2","5","1") = "4"
    & skf18("3","5","1","2","2","6","1") = "5"
    & skf18("3","5","1","2","2","7","1") = "6"
    & skf18("3","5","1","2","2","8","1") = "7"
    & skf18("3","5","1","2","2","9","1") = "8"
    & skf18("3","5","1","2","2","10","1") = "9"
    & skf18("3","5","1","2","3","1","1") = "4"
    & skf18("3","5","1","2","3","2","1") = "4"
    & skf18("3","5","1","2","3","3","1") = "4"
    & skf18("3","5","1","2","3","4","1") = "4"
    & skf18("3","5","1","2","3","5","1") = "4"
    & skf18("3","5","1","2","3","6","1") = "5"
    & skf18("3","5","1","2","3","7","1") = "6"
    & skf18("3","5","1","2","3","8","1") = "7"
    & skf18("3","5","1","2","3","9","1") = "8"
    & skf18("3","5","1","2","3","10","1") = "9"
    & skf18("3","5","1","2","4","1","1") = "4"
    & skf18("3","5","1","2","4","2","1") = "4"
    & skf18("3","5","1","2","4","3","1") = "4"
    & skf18("3","5","1","2","4","4","1") = "4"
    & skf18("3","5","1","2","4","5","1") = "4"
    & skf18("3","5","1","2","4","6","1") = "5"
    & skf18("3","5","1","2","4","7","1") = "6"
    & skf18("3","5","1","2","4","8","1") = "7"
    & skf18("3","5","1","2","4","9","1") = "8"
    & skf18("3","5","1","2","4","10","1") = "9"
    & skf18("3","5","1","2","5","1","1") = "4"
    & skf18("3","5","1","2","5","2","1") = "4"
    & skf18("3","5","1","2","5","3","1") = "4"
    & skf18("3","5","1","2","5","4","1") = "4"
    & skf18("3","5","1","2","5","5","1") = "4"
    & skf18("3","5","1","2","5","6","1") = "5"
    & skf18("3","5","1","2","5","7","1") = "6"
    & skf18("3","5","1","2","5","8","1") = "7"
    & skf18("3","5","1","2","5","9","1") = "8"
    & skf18("3","5","1","2","5","10","1") = "9"
    & skf18("3","5","1","2","6","1","1") = "5"
    & skf18("3","5","1","2","6","2","1") = "5"
    & skf18("3","5","1","2","6","3","1") = "5"
    & skf18("3","5","1","2","6","4","1") = "5"
    & skf18("3","5","1","2","6","5","1") = "5"
    & skf18("3","5","1","2","6","6","1") = "5"
    & skf18("3","5","1","2","6","7","1") = "6"
    & skf18("3","5","1","2","6","8","1") = "7"
    & skf18("3","5","1","2","6","9","1") = "8"
    & skf18("3","5","1","2","6","10","1") = "9"
    & skf18("3","5","1","2","7","1","1") = "6"
    & skf18("3","5","1","2","7","2","1") = "6"
    & skf18("3","5","1","2","7","3","1") = "6"
    & skf18("3","5","1","2","7","4","1") = "6"
    & skf18("3","5","1","2","7","5","1") = "6"
    & skf18("3","5","1","2","7","6","1") = "6"
    & skf18("3","5","1","2","7","7","1") = "6"
    & skf18("3","5","1","2","7","8","1") = "7"
    & skf18("3","5","1","2","7","9","1") = "8"
    & skf18("3","5","1","2","7","10","1") = "9"
    & skf18("3","5","1","2","8","1","1") = "7"
    & skf18("3","5","1","2","8","2","1") = "7"
    & skf18("3","5","1","2","8","3","1") = "7"
    & skf18("3","5","1","2","8","4","1") = "7"
    & skf18("3","5","1","2","8","5","1") = "7"
    & skf18("3","5","1","2","8","6","1") = "7"
    & skf18("3","5","1","2","8","7","1") = "7"
    & skf18("3","5","1","2","8","8","1") = "7"
    & skf18("3","5","1","2","8","9","1") = "8"
    & skf18("3","5","1","2","8","10","1") = "9"
    & skf18("3","5","1","2","9","1","1") = "8"
    & skf18("3","5","1","2","9","2","1") = "8"
    & skf18("3","5","1","2","9","3","1") = "8"
    & skf18("3","5","1","2","9","4","1") = "8"
    & skf18("3","5","1","2","9","5","1") = "8"
    & skf18("3","5","1","2","9","6","1") = "8"
    & skf18("3","5","1","2","9","7","1") = "8"
    & skf18("3","5","1","2","9","8","1") = "8"
    & skf18("3","5","1","2","9","9","1") = "8"
    & skf18("3","5","1","2","9","10","1") = "9"
    & skf18("3","5","1","2","10","1","1") = "9"
    & skf18("3","5","1","2","10","2","1") = "9"
    & skf18("3","5","1","2","10","3","1") = "9"
    & skf18("3","5","1","2","10","4","1") = "9"
    & skf18("3","5","1","2","10","5","1") = "9"
    & skf18("3","5","1","2","10","6","1") = "9"
    & skf18("3","5","1","2","10","7","1") = "9"
    & skf18("3","5","1","2","10","8","1") = "9"
    & skf18("3","5","1","2","10","9","1") = "9"
    & skf18("3","5","1","2","10","10","1") = "9"
    & skf18("3","5","1","3","1","1","1") = "4"
    & skf18("3","5","1","3","1","2","1") = "4"
    & skf18("3","5","1","3","1","3","1") = "4"
    & skf18("3","5","1","3","1","4","1") = "4"
    & skf18("3","5","1","3","1","5","1") = "4"
    & skf18("3","5","1","3","1","6","1") = "5"
    & skf18("3","5","1","3","1","7","1") = "6"
    & skf18("3","5","1","3","1","8","1") = "7"
    & skf18("3","5","1","3","1","9","1") = "8"
    & skf18("3","5","1","3","1","10","1") = "9"
    & skf18("3","5","1","3","2","1","1") = "4"
    & skf18("3","5","1","3","2","2","1") = "4"
    & skf18("3","5","1","3","2","3","1") = "4"
    & skf18("3","5","1","3","2","4","1") = "4"
    & skf18("3","5","1","3","2","5","1") = "4"
    & skf18("3","5","1","3","2","6","1") = "5"
    & skf18("3","5","1","3","2","7","1") = "6"
    & skf18("3","5","1","3","2","8","1") = "7"
    & skf18("3","5","1","3","2","9","1") = "8"
    & skf18("3","5","1","3","2","10","1") = "9"
    & skf18("3","5","1","3","3","1","1") = "4"
    & skf18("3","5","1","3","3","2","1") = "4"
    & skf18("3","5","1","3","3","3","1") = "4"
    & skf18("3","5","1","3","3","4","1") = "4"
    & skf18("3","5","1","3","3","5","1") = "4"
    & skf18("3","5","1","3","3","6","1") = "5"
    & skf18("3","5","1","3","3","7","1") = "6"
    & skf18("3","5","1","3","3","8","1") = "7"
    & skf18("3","5","1","3","3","9","1") = "8"
    & skf18("3","5","1","3","3","10","1") = "9"
    & skf18("3","5","1","3","4","1","1") = "4"
    & skf18("3","5","1","3","4","2","1") = "4"
    & skf18("3","5","1","3","4","3","1") = "4"
    & skf18("3","5","1","3","4","4","1") = "4"
    & skf18("3","5","1","3","4","5","1") = "4"
    & skf18("3","5","1","3","4","6","1") = "5"
    & skf18("3","5","1","3","4","7","1") = "6"
    & skf18("3","5","1","3","4","8","1") = "7"
    & skf18("3","5","1","3","4","9","1") = "8"
    & skf18("3","5","1","3","4","10","1") = "9"
    & skf18("3","5","1","3","5","1","1") = "4"
    & skf18("3","5","1","3","5","2","1") = "4"
    & skf18("3","5","1","3","5","3","1") = "4"
    & skf18("3","5","1","3","5","4","1") = "4"
    & skf18("3","5","1","3","5","5","1") = "4"
    & skf18("3","5","1","3","5","6","1") = "5"
    & skf18("3","5","1","3","5","7","1") = "6"
    & skf18("3","5","1","3","5","8","1") = "7"
    & skf18("3","5","1","3","5","9","1") = "8"
    & skf18("3","5","1","3","5","10","1") = "9"
    & skf18("3","5","1","3","6","1","1") = "5"
    & skf18("3","5","1","3","6","2","1") = "5"
    & skf18("3","5","1","3","6","3","1") = "5"
    & skf18("3","5","1","3","6","4","1") = "5"
    & skf18("3","5","1","3","6","5","1") = "5"
    & skf18("3","5","1","3","6","6","1") = "5"
    & skf18("3","5","1","3","6","7","1") = "6"
    & skf18("3","5","1","3","6","8","1") = "7"
    & skf18("3","5","1","3","6","9","1") = "8"
    & skf18("3","5","1","3","6","10","1") = "9"
    & skf18("3","5","1","3","7","1","1") = "6"
    & skf18("3","5","1","3","7","2","1") = "6"
    & skf18("3","5","1","3","7","3","1") = "6"
    & skf18("3","5","1","3","7","4","1") = "6"
    & skf18("3","5","1","3","7","5","1") = "6"
    & skf18("3","5","1","3","7","6","1") = "6"
    & skf18("3","5","1","3","7","7","1") = "6"
    & skf18("3","5","1","3","7","8","1") = "7"
    & skf18("3","5","1","3","7","9","1") = "8"
    & skf18("3","5","1","3","7","10","1") = "9"
    & skf18("3","5","1","3","8","1","1") = "7"
    & skf18("3","5","1","3","8","2","1") = "7"
    & skf18("3","5","1","3","8","3","1") = "7"
    & skf18("3","5","1","3","8","4","1") = "7"
    & skf18("3","5","1","3","8","5","1") = "7"
    & skf18("3","5","1","3","8","6","1") = "7"
    & skf18("3","5","1","3","8","7","1") = "7"
    & skf18("3","5","1","3","8","8","1") = "7"
    & skf18("3","5","1","3","8","9","1") = "8"
    & skf18("3","5","1","3","8","10","1") = "9"
    & skf18("3","5","1","3","9","1","1") = "8"
    & skf18("3","5","1","3","9","2","1") = "8"
    & skf18("3","5","1","3","9","3","1") = "8"
    & skf18("3","5","1","3","9","4","1") = "8"
    & skf18("3","5","1","3","9","5","1") = "8"
    & skf18("3","5","1","3","9","6","1") = "8"
    & skf18("3","5","1","3","9","7","1") = "8"
    & skf18("3","5","1","3","9","8","1") = "8"
    & skf18("3","5","1","3","9","9","1") = "8"
    & skf18("3","5","1","3","9","10","1") = "9"
    & skf18("3","5","1","3","10","1","1") = "9"
    & skf18("3","5","1","3","10","2","1") = "9"
    & skf18("3","5","1","3","10","3","1") = "9"
    & skf18("3","5","1","3","10","4","1") = "9"
    & skf18("3","5","1","3","10","5","1") = "9"
    & skf18("3","5","1","3","10","6","1") = "9"
    & skf18("3","5","1","3","10","7","1") = "9"
    & skf18("3","5","1","3","10","8","1") = "9"
    & skf18("3","5","1","3","10","9","1") = "9"
    & skf18("3","5","1","3","10","10","1") = "9"
    & skf18("3","5","1","4","1","1","1") = "4"
    & skf18("3","5","1","4","1","2","1") = "4"
    & skf18("3","5","1","4","1","3","1") = "4"
    & skf18("3","5","1","4","1","4","1") = "4"
    & skf18("3","5","1","4","1","5","1") = "4"
    & skf18("3","5","1","4","1","6","1") = "5"
    & skf18("3","5","1","4","1","7","1") = "6"
    & skf18("3","5","1","4","1","8","1") = "7"
    & skf18("3","5","1","4","1","9","1") = "8"
    & skf18("3","5","1","4","1","10","1") = "9"
    & skf18("3","5","1","4","2","1","1") = "4"
    & skf18("3","5","1","4","2","2","1") = "4"
    & skf18("3","5","1","4","2","3","1") = "4"
    & skf18("3","5","1","4","2","4","1") = "4"
    & skf18("3","5","1","4","2","5","1") = "4"
    & skf18("3","5","1","4","2","6","1") = "5"
    & skf18("3","5","1","4","2","7","1") = "6"
    & skf18("3","5","1","4","2","8","1") = "7"
    & skf18("3","5","1","4","2","9","1") = "8"
    & skf18("3","5","1","4","2","10","1") = "9"
    & skf18("3","5","1","4","3","1","1") = "4"
    & skf18("3","5","1","4","3","2","1") = "4"
    & skf18("3","5","1","4","3","3","1") = "4"
    & skf18("3","5","1","4","3","4","1") = "4"
    & skf18("3","5","1","4","3","5","1") = "4"
    & skf18("3","5","1","4","3","6","1") = "5"
    & skf18("3","5","1","4","3","7","1") = "6"
    & skf18("3","5","1","4","3","8","1") = "7"
    & skf18("3","5","1","4","3","9","1") = "8"
    & skf18("3","5","1","4","3","10","1") = "9"
    & skf18("3","5","1","4","4","1","1") = "4"
    & skf18("3","5","1","4","4","2","1") = "4"
    & skf18("3","5","1","4","4","3","1") = "4"
    & skf18("3","5","1","4","4","4","1") = "4"
    & skf18("3","5","1","4","4","5","1") = "4"
    & skf18("3","5","1","4","4","6","1") = "5"
    & skf18("3","5","1","4","4","7","1") = "6"
    & skf18("3","5","1","4","4","8","1") = "7"
    & skf18("3","5","1","4","4","9","1") = "8"
    & skf18("3","5","1","4","4","10","1") = "9"
    & skf18("3","5","1","4","5","1","1") = "4"
    & skf18("3","5","1","4","5","2","1") = "4"
    & skf18("3","5","1","4","5","3","1") = "4"
    & skf18("3","5","1","4","5","4","1") = "4"
    & skf18("3","5","1","4","5","5","1") = "4"
    & skf18("3","5","1","4","5","6","1") = "5"
    & skf18("3","5","1","4","5","7","1") = "6"
    & skf18("3","5","1","4","5","8","1") = "7"
    & skf18("3","5","1","4","5","9","1") = "8"
    & skf18("3","5","1","4","5","10","1") = "9"
    & skf18("3","5","1","4","6","1","1") = "5"
    & skf18("3","5","1","4","6","2","1") = "5"
    & skf18("3","5","1","4","6","3","1") = "5"
    & skf18("3","5","1","4","6","4","1") = "5"
    & skf18("3","5","1","4","6","5","1") = "5"
    & skf18("3","5","1","4","6","6","1") = "5"
    & skf18("3","5","1","4","6","7","1") = "6"
    & skf18("3","5","1","4","6","8","1") = "7"
    & skf18("3","5","1","4","6","9","1") = "8"
    & skf18("3","5","1","4","6","10","1") = "9"
    & skf18("3","5","1","4","7","1","1") = "6"
    & skf18("3","5","1","4","7","2","1") = "6"
    & skf18("3","5","1","4","7","3","1") = "6"
    & skf18("3","5","1","4","7","4","1") = "6"
    & skf18("3","5","1","4","7","5","1") = "6"
    & skf18("3","5","1","4","7","6","1") = "6"
    & skf18("3","5","1","4","7","7","1") = "6"
    & skf18("3","5","1","4","7","8","1") = "7"
    & skf18("3","5","1","4","7","9","1") = "8"
    & skf18("3","5","1","4","7","10","1") = "9"
    & skf18("3","5","1","4","8","1","1") = "7"
    & skf18("3","5","1","4","8","2","1") = "7"
    & skf18("3","5","1","4","8","3","1") = "7"
    & skf18("3","5","1","4","8","4","1") = "7"
    & skf18("3","5","1","4","8","5","1") = "7"
    & skf18("3","5","1","4","8","6","1") = "7"
    & skf18("3","5","1","4","8","7","1") = "7"
    & skf18("3","5","1","4","8","8","1") = "7"
    & skf18("3","5","1","4","8","9","1") = "8"
    & skf18("3","5","1","4","8","10","1") = "9"
    & skf18("3","5","1","4","9","1","1") = "8"
    & skf18("3","5","1","4","9","2","1") = "8"
    & skf18("3","5","1","4","9","3","1") = "8"
    & skf18("3","5","1","4","9","4","1") = "8"
    & skf18("3","5","1","4","9","5","1") = "8"
    & skf18("3","5","1","4","9","6","1") = "8"
    & skf18("3","5","1","4","9","7","1") = "8"
    & skf18("3","5","1","4","9","8","1") = "8"
    & skf18("3","5","1","4","9","9","1") = "8"
    & skf18("3","5","1","4","9","10","1") = "9"
    & skf18("3","5","1","4","10","1","1") = "9"
    & skf18("3","5","1","4","10","2","1") = "9"
    & skf18("3","5","1","4","10","3","1") = "9"
    & skf18("3","5","1","4","10","4","1") = "9"
    & skf18("3","5","1","4","10","5","1") = "9"
    & skf18("3","5","1","4","10","6","1") = "9"
    & skf18("3","5","1","4","10","7","1") = "9"
    & skf18("3","5","1","4","10","8","1") = "9"
    & skf18("3","5","1","4","10","9","1") = "9"
    & skf18("3","5","1","4","10","10","1") = "9"
    & skf18("3","5","1","5","1","1","1") = "4"
    & skf18("3","5","1","5","1","2","1") = "4"
    & skf18("3","5","1","5","1","3","1") = "4"
    & skf18("3","5","1","5","1","4","1") = "4"
    & skf18("3","5","1","5","1","5","1") = "4"
    & skf18("3","5","1","5","1","6","1") = "5"
    & skf18("3","5","1","5","1","7","1") = "6"
    & skf18("3","5","1","5","1","8","1") = "7"
    & skf18("3","5","1","5","1","9","1") = "8"
    & skf18("3","5","1","5","1","10","1") = "9"
    & skf18("3","5","1","5","2","1","1") = "4"
    & skf18("3","5","1","5","2","2","1") = "4"
    & skf18("3","5","1","5","2","3","1") = "4"
    & skf18("3","5","1","5","2","4","1") = "4"
    & skf18("3","5","1","5","2","5","1") = "4"
    & skf18("3","5","1","5","2","6","1") = "5"
    & skf18("3","5","1","5","2","7","1") = "6"
    & skf18("3","5","1","5","2","8","1") = "7"
    & skf18("3","5","1","5","2","9","1") = "8"
    & skf18("3","5","1","5","2","10","1") = "9"
    & skf18("3","5","1","5","3","1","1") = "4"
    & skf18("3","5","1","5","3","2","1") = "4"
    & skf18("3","5","1","5","3","3","1") = "4"
    & skf18("3","5","1","5","3","4","1") = "4"
    & skf18("3","5","1","5","3","5","1") = "4"
    & skf18("3","5","1","5","3","6","1") = "5"
    & skf18("3","5","1","5","3","7","1") = "6"
    & skf18("3","5","1","5","3","8","1") = "7"
    & skf18("3","5","1","5","3","9","1") = "8"
    & skf18("3","5","1","5","3","10","1") = "9"
    & skf18("3","5","1","5","4","1","1") = "4"
    & skf18("3","5","1","5","4","2","1") = "4"
    & skf18("3","5","1","5","4","3","1") = "4"
    & skf18("3","5","1","5","4","4","1") = "4"
    & skf18("3","5","1","5","4","5","1") = "4"
    & skf18("3","5","1","5","4","6","1") = "5"
    & skf18("3","5","1","5","4","7","1") = "6"
    & skf18("3","5","1","5","4","8","1") = "7"
    & skf18("3","5","1","5","4","9","1") = "8"
    & skf18("3","5","1","5","4","10","1") = "9"
    & skf18("3","5","1","5","5","1","1") = "4"
    & skf18("3","5","1","5","5","2","1") = "4"
    & skf18("3","5","1","5","5","3","1") = "4"
    & skf18("3","5","1","5","5","4","1") = "4"
    & skf18("3","5","1","5","5","5","1") = "4"
    & skf18("3","5","1","5","5","6","1") = "5"
    & skf18("3","5","1","5","5","7","1") = "6"
    & skf18("3","5","1","5","5","8","1") = "7"
    & skf18("3","5","1","5","5","9","1") = "8"
    & skf18("3","5","1","5","5","10","1") = "9"
    & skf18("3","5","1","5","6","1","1") = "5"
    & skf18("3","5","1","5","6","2","1") = "5"
    & skf18("3","5","1","5","6","3","1") = "5"
    & skf18("3","5","1","5","6","4","1") = "5"
    & skf18("3","5","1","5","6","5","1") = "5"
    & skf18("3","5","1","5","6","6","1") = "5"
    & skf18("3","5","1","5","6","7","1") = "6"
    & skf18("3","5","1","5","6","8","1") = "7"
    & skf18("3","5","1","5","6","9","1") = "8"
    & skf18("3","5","1","5","6","10","1") = "9"
    & skf18("3","5","1","5","7","1","1") = "6"
    & skf18("3","5","1","5","7","2","1") = "6"
    & skf18("3","5","1","5","7","3","1") = "6"
    & skf18("3","5","1","5","7","4","1") = "6"
    & skf18("3","5","1","5","7","5","1") = "6"
    & skf18("3","5","1","5","7","6","1") = "6"
    & skf18("3","5","1","5","7","7","1") = "6"
    & skf18("3","5","1","5","7","8","1") = "7"
    & skf18("3","5","1","5","7","9","1") = "8"
    & skf18("3","5","1","5","7","10","1") = "9"
    & skf18("3","5","1","5","8","1","1") = "7"
    & skf18("3","5","1","5","8","2","1") = "7"
    & skf18("3","5","1","5","8","3","1") = "7"
    & skf18("3","5","1","5","8","4","1") = "7"
    & skf18("3","5","1","5","8","5","1") = "7"
    & skf18("3","5","1","5","8","6","1") = "7"
    & skf18("3","5","1","5","8","7","1") = "7"
    & skf18("3","5","1","5","8","8","1") = "7"
    & skf18("3","5","1","5","8","9","1") = "8"
    & skf18("3","5","1","5","8","10","1") = "9"
    & skf18("3","5","1","5","9","1","1") = "8"
    & skf18("3","5","1","5","9","2","1") = "8"
    & skf18("3","5","1","5","9","3","1") = "8"
    & skf18("3","5","1","5","9","4","1") = "8"
    & skf18("3","5","1","5","9","5","1") = "8"
    & skf18("3","5","1","5","9","6","1") = "8"
    & skf18("3","5","1","5","9","7","1") = "8"
    & skf18("3","5","1","5","9","8","1") = "8"
    & skf18("3","5","1","5","9","9","1") = "8"
    & skf18("3","5","1","5","9","10","1") = "9"
    & skf18("3","5","1","5","10","1","1") = "9"
    & skf18("3","5","1","5","10","2","1") = "9"
    & skf18("3","5","1","5","10","3","1") = "9"
    & skf18("3","5","1","5","10","4","1") = "9"
    & skf18("3","5","1","5","10","5","1") = "9"
    & skf18("3","5","1","5","10","6","1") = "9"
    & skf18("3","5","1","5","10","7","1") = "9"
    & skf18("3","5","1","5","10","8","1") = "9"
    & skf18("3","5","1","5","10","9","1") = "9"
    & skf18("3","5","1","5","10","10","1") = "9"
    & skf18("3","5","1","6","1","1","1") = "5"
    & skf18("3","5","1","6","1","2","1") = "5"
    & skf18("3","5","1","6","1","3","1") = "5"
    & skf18("3","5","1","6","1","4","1") = "5"
    & skf18("3","5","1","6","1","5","1") = "5"
    & skf18("3","5","1","6","1","6","1") = "5"
    & skf18("3","5","1","6","1","7","1") = "6"
    & skf18("3","5","1","6","1","8","1") = "7"
    & skf18("3","5","1","6","1","9","1") = "8"
    & skf18("3","5","1","6","1","10","1") = "9"
    & skf18("3","5","1","6","2","1","1") = "5"
    & skf18("3","5","1","6","2","2","1") = "5"
    & skf18("3","5","1","6","2","3","1") = "5"
    & skf18("3","5","1","6","2","4","1") = "5"
    & skf18("3","5","1","6","2","5","1") = "5"
    & skf18("3","5","1","6","2","6","1") = "5"
    & skf18("3","5","1","6","2","7","1") = "6"
    & skf18("3","5","1","6","2","8","1") = "7"
    & skf18("3","5","1","6","2","9","1") = "8"
    & skf18("3","5","1","6","2","10","1") = "9"
    & skf18("3","5","1","6","3","1","1") = "5"
    & skf18("3","5","1","6","3","2","1") = "5"
    & skf18("3","5","1","6","3","3","1") = "5"
    & skf18("3","5","1","6","3","4","1") = "5"
    & skf18("3","5","1","6","3","5","1") = "5"
    & skf18("3","5","1","6","3","6","1") = "5"
    & skf18("3","5","1","6","3","7","1") = "6"
    & skf18("3","5","1","6","3","8","1") = "7"
    & skf18("3","5","1","6","3","9","1") = "8"
    & skf18("3","5","1","6","3","10","1") = "9"
    & skf18("3","5","1","6","4","1","1") = "5"
    & skf18("3","5","1","6","4","2","1") = "5"
    & skf18("3","5","1","6","4","3","1") = "5"
    & skf18("3","5","1","6","4","4","1") = "5"
    & skf18("3","5","1","6","4","5","1") = "5"
    & skf18("3","5","1","6","4","6","1") = "5"
    & skf18("3","5","1","6","4","7","1") = "6"
    & skf18("3","5","1","6","4","8","1") = "7"
    & skf18("3","5","1","6","4","9","1") = "8"
    & skf18("3","5","1","6","4","10","1") = "9"
    & skf18("3","5","1","6","5","1","1") = "5"
    & skf18("3","5","1","6","5","2","1") = "5"
    & skf18("3","5","1","6","5","3","1") = "5"
    & skf18("3","5","1","6","5","4","1") = "5"
    & skf18("3","5","1","6","5","5","1") = "5"
    & skf18("3","5","1","6","5","6","1") = "5"
    & skf18("3","5","1","6","5","7","1") = "6"
    & skf18("3","5","1","6","5","8","1") = "7"
    & skf18("3","5","1","6","5","9","1") = "8"
    & skf18("3","5","1","6","5","10","1") = "9"
    & skf18("3","5","1","6","6","1","1") = "5"
    & skf18("3","5","1","6","6","2","1") = "5"
    & skf18("3","5","1","6","6","3","1") = "5"
    & skf18("3","5","1","6","6","4","1") = "5"
    & skf18("3","5","1","6","6","5","1") = "5"
    & skf18("3","5","1","6","6","6","1") = "5"
    & skf18("3","5","1","6","6","7","1") = "6"
    & skf18("3","5","1","6","6","8","1") = "7"
    & skf18("3","5","1","6","6","9","1") = "8"
    & skf18("3","5","1","6","6","10","1") = "9"
    & skf18("3","5","1","6","7","1","1") = "6"
    & skf18("3","5","1","6","7","2","1") = "6"
    & skf18("3","5","1","6","7","3","1") = "6"
    & skf18("3","5","1","6","7","4","1") = "6"
    & skf18("3","5","1","6","7","5","1") = "6"
    & skf18("3","5","1","6","7","6","1") = "6"
    & skf18("3","5","1","6","7","7","1") = "6"
    & skf18("3","5","1","6","7","8","1") = "7"
    & skf18("3","5","1","6","7","9","1") = "8"
    & skf18("3","5","1","6","7","10","1") = "9"
    & skf18("3","5","1","6","8","1","1") = "7"
    & skf18("3","5","1","6","8","2","1") = "7"
    & skf18("3","5","1","6","8","3","1") = "7"
    & skf18("3","5","1","6","8","4","1") = "7"
    & skf18("3","5","1","6","8","5","1") = "7"
    & skf18("3","5","1","6","8","6","1") = "7"
    & skf18("3","5","1","6","8","7","1") = "7"
    & skf18("3","5","1","6","8","8","1") = "7"
    & skf18("3","5","1","6","8","9","1") = "8"
    & skf18("3","5","1","6","8","10","1") = "9"
    & skf18("3","5","1","6","9","1","1") = "8"
    & skf18("3","5","1","6","9","2","1") = "8"
    & skf18("3","5","1","6","9","3","1") = "8"
    & skf18("3","5","1","6","9","4","1") = "8"
    & skf18("3","5","1","6","9","5","1") = "8"
    & skf18("3","5","1","6","9","6","1") = "8"
    & skf18("3","5","1","6","9","7","1") = "8"
    & skf18("3","5","1","6","9","8","1") = "8"
    & skf18("3","5","1","6","9","9","1") = "8"
    & skf18("3","5","1","6","9","10","1") = "9"
    & skf18("3","5","1","6","10","1","1") = "9"
    & skf18("3","5","1","6","10","2","1") = "9"
    & skf18("3","5","1","6","10","3","1") = "9"
    & skf18("3","5","1","6","10","4","1") = "9"
    & skf18("3","5","1","6","10","5","1") = "9"
    & skf18("3","5","1","6","10","6","1") = "9"
    & skf18("3","5","1","6","10","7","1") = "9"
    & skf18("3","5","1","6","10","8","1") = "9"
    & skf18("3","5","1","6","10","9","1") = "9"
    & skf18("3","5","1","6","10","10","1") = "9"
    & skf18("3","5","1","7","1","1","1") = "6"
    & skf18("3","5","1","7","1","2","1") = "6"
    & skf18("3","5","1","7","1","3","1") = "6"
    & skf18("3","5","1","7","1","4","1") = "6"
    & skf18("3","5","1","7","1","5","1") = "6"
    & skf18("3","5","1","7","1","6","1") = "6"
    & skf18("3","5","1","7","1","7","1") = "6"
    & skf18("3","5","1","7","1","8","1") = "7"
    & skf18("3","5","1","7","1","9","1") = "8"
    & skf18("3","5","1","7","1","10","1") = "9"
    & skf18("3","5","1","7","2","1","1") = "6"
    & skf18("3","5","1","7","2","2","1") = "6"
    & skf18("3","5","1","7","2","3","1") = "6"
    & skf18("3","5","1","7","2","4","1") = "6"
    & skf18("3","5","1","7","2","5","1") = "6"
    & skf18("3","5","1","7","2","6","1") = "6"
    & skf18("3","5","1","7","2","7","1") = "6"
    & skf18("3","5","1","7","2","8","1") = "7"
    & skf18("3","5","1","7","2","9","1") = "8"
    & skf18("3","5","1","7","2","10","1") = "9"
    & skf18("3","5","1","7","3","1","1") = "6"
    & skf18("3","5","1","7","3","2","1") = "6"
    & skf18("3","5","1","7","3","3","1") = "6"
    & skf18("3","5","1","7","3","4","1") = "6"
    & skf18("3","5","1","7","3","5","1") = "6"
    & skf18("3","5","1","7","3","6","1") = "6"
    & skf18("3","5","1","7","3","7","1") = "6"
    & skf18("3","5","1","7","3","8","1") = "7"
    & skf18("3","5","1","7","3","9","1") = "8"
    & skf18("3","5","1","7","3","10","1") = "9"
    & skf18("3","5","1","7","4","1","1") = "6"
    & skf18("3","5","1","7","4","2","1") = "6"
    & skf18("3","5","1","7","4","3","1") = "6"
    & skf18("3","5","1","7","4","4","1") = "6"
    & skf18("3","5","1","7","4","5","1") = "6"
    & skf18("3","5","1","7","4","6","1") = "6"
    & skf18("3","5","1","7","4","7","1") = "6"
    & skf18("3","5","1","7","4","8","1") = "7"
    & skf18("3","5","1","7","4","9","1") = "8"
    & skf18("3","5","1","7","4","10","1") = "9"
    & skf18("3","5","1","7","5","1","1") = "6"
    & skf18("3","5","1","7","5","2","1") = "6"
    & skf18("3","5","1","7","5","3","1") = "6"
    & skf18("3","5","1","7","5","4","1") = "6"
    & skf18("3","5","1","7","5","5","1") = "6"
    & skf18("3","5","1","7","5","6","1") = "6"
    & skf18("3","5","1","7","5","7","1") = "6"
    & skf18("3","5","1","7","5","8","1") = "7"
    & skf18("3","5","1","7","5","9","1") = "8"
    & skf18("3","5","1","7","5","10","1") = "9"
    & skf18("3","5","1","7","6","1","1") = "6"
    & skf18("3","5","1","7","6","2","1") = "6"
    & skf18("3","5","1","7","6","3","1") = "6"
    & skf18("3","5","1","7","6","4","1") = "6"
    & skf18("3","5","1","7","6","5","1") = "6"
    & skf18("3","5","1","7","6","6","1") = "6"
    & skf18("3","5","1","7","6","7","1") = "6"
    & skf18("3","5","1","7","6","8","1") = "7"
    & skf18("3","5","1","7","6","9","1") = "8"
    & skf18("3","5","1","7","6","10","1") = "9"
    & skf18("3","5","1","7","7","1","1") = "6"
    & skf18("3","5","1","7","7","2","1") = "6"
    & skf18("3","5","1","7","7","3","1") = "6"
    & skf18("3","5","1","7","7","4","1") = "6"
    & skf18("3","5","1","7","7","5","1") = "6"
    & skf18("3","5","1","7","7","6","1") = "6"
    & skf18("3","5","1","7","7","7","1") = "6"
    & skf18("3","5","1","7","7","8","1") = "7"
    & skf18("3","5","1","7","7","9","1") = "8"
    & skf18("3","5","1","7","7","10","1") = "9"
    & skf18("3","5","1","7","8","1","1") = "7"
    & skf18("3","5","1","7","8","2","1") = "7"
    & skf18("3","5","1","7","8","3","1") = "7"
    & skf18("3","5","1","7","8","4","1") = "7"
    & skf18("3","5","1","7","8","5","1") = "7"
    & skf18("3","5","1","7","8","6","1") = "7"
    & skf18("3","5","1","7","8","7","1") = "7"
    & skf18("3","5","1","7","8","8","1") = "7"
    & skf18("3","5","1","7","8","9","1") = "8"
    & skf18("3","5","1","7","8","10","1") = "9"
    & skf18("3","5","1","7","9","1","1") = "8"
    & skf18("3","5","1","7","9","2","1") = "8"
    & skf18("3","5","1","7","9","3","1") = "8"
    & skf18("3","5","1","7","9","4","1") = "8"
    & skf18("3","5","1","7","9","5","1") = "8"
    & skf18("3","5","1","7","9","6","1") = "8"
    & skf18("3","5","1","7","9","7","1") = "8"
    & skf18("3","5","1","7","9","8","1") = "8"
    & skf18("3","5","1","7","9","9","1") = "8"
    & skf18("3","5","1","7","9","10","1") = "9"
    & skf18("3","5","1","7","10","1","1") = "9"
    & skf18("3","5","1","7","10","2","1") = "9"
    & skf18("3","5","1","7","10","3","1") = "9"
    & skf18("3","5","1","7","10","4","1") = "9"
    & skf18("3","5","1","7","10","5","1") = "9"
    & skf18("3","5","1","7","10","6","1") = "9"
    & skf18("3","5","1","7","10","7","1") = "9"
    & skf18("3","5","1","7","10","8","1") = "9"
    & skf18("3","5","1","7","10","9","1") = "9"
    & skf18("3","5","1","7","10","10","1") = "9"
    & skf18("3","5","1","8","1","1","1") = "7"
    & skf18("3","5","1","8","1","2","1") = "7"
    & skf18("3","5","1","8","1","3","1") = "7"
    & skf18("3","5","1","8","1","4","1") = "7"
    & skf18("3","5","1","8","1","5","1") = "7"
    & skf18("3","5","1","8","1","6","1") = "7"
    & skf18("3","5","1","8","1","7","1") = "7"
    & skf18("3","5","1","8","1","8","1") = "7"
    & skf18("3","5","1","8","1","9","1") = "8"
    & skf18("3","5","1","8","1","10","1") = "9"
    & skf18("3","5","1","8","2","1","1") = "7"
    & skf18("3","5","1","8","2","2","1") = "7"
    & skf18("3","5","1","8","2","3","1") = "7"
    & skf18("3","5","1","8","2","4","1") = "7"
    & skf18("3","5","1","8","2","5","1") = "7"
    & skf18("3","5","1","8","2","6","1") = "7"
    & skf18("3","5","1","8","2","7","1") = "7"
    & skf18("3","5","1","8","2","8","1") = "7"
    & skf18("3","5","1","8","2","9","1") = "8"
    & skf18("3","5","1","8","2","10","1") = "9"
    & skf18("3","5","1","8","3","1","1") = "7"
    & skf18("3","5","1","8","3","2","1") = "7"
    & skf18("3","5","1","8","3","3","1") = "7"
    & skf18("3","5","1","8","3","4","1") = "7"
    & skf18("3","5","1","8","3","5","1") = "7"
    & skf18("3","5","1","8","3","6","1") = "7"
    & skf18("3","5","1","8","3","7","1") = "7"
    & skf18("3","5","1","8","3","8","1") = "7"
    & skf18("3","5","1","8","3","9","1") = "8"
    & skf18("3","5","1","8","3","10","1") = "9"
    & skf18("3","5","1","8","4","1","1") = "7"
    & skf18("3","5","1","8","4","2","1") = "7"
    & skf18("3","5","1","8","4","3","1") = "7"
    & skf18("3","5","1","8","4","4","1") = "7"
    & skf18("3","5","1","8","4","5","1") = "7"
    & skf18("3","5","1","8","4","6","1") = "7"
    & skf18("3","5","1","8","4","7","1") = "7"
    & skf18("3","5","1","8","4","8","1") = "7"
    & skf18("3","5","1","8","4","9","1") = "8"
    & skf18("3","5","1","8","4","10","1") = "9"
    & skf18("3","5","1","8","5","1","1") = "7"
    & skf18("3","5","1","8","5","2","1") = "7"
    & skf18("3","5","1","8","5","3","1") = "7"
    & skf18("3","5","1","8","5","4","1") = "7"
    & skf18("3","5","1","8","5","5","1") = "7"
    & skf18("3","5","1","8","5","6","1") = "7"
    & skf18("3","5","1","8","5","7","1") = "7"
    & skf18("3","5","1","8","5","8","1") = "7"
    & skf18("3","5","1","8","5","9","1") = "8"
    & skf18("3","5","1","8","5","10","1") = "9"
    & skf18("3","5","1","8","6","1","1") = "7"
    & skf18("3","5","1","8","6","2","1") = "7"
    & skf18("3","5","1","8","6","3","1") = "7"
    & skf18("3","5","1","8","6","4","1") = "7"
    & skf18("3","5","1","8","6","5","1") = "7"
    & skf18("3","5","1","8","6","6","1") = "7"
    & skf18("3","5","1","8","6","7","1") = "7"
    & skf18("3","5","1","8","6","8","1") = "7"
    & skf18("3","5","1","8","6","9","1") = "8"
    & skf18("3","5","1","8","6","10","1") = "9"
    & skf18("3","5","1","8","7","1","1") = "7"
    & skf18("3","5","1","8","7","2","1") = "7"
    & skf18("3","5","1","8","7","3","1") = "7"
    & skf18("3","5","1","8","7","4","1") = "7"
    & skf18("3","5","1","8","7","5","1") = "7"
    & skf18("3","5","1","8","7","6","1") = "7"
    & skf18("3","5","1","8","7","7","1") = "7"
    & skf18("3","5","1","8","7","8","1") = "7"
    & skf18("3","5","1","8","7","9","1") = "8"
    & skf18("3","5","1","8","7","10","1") = "9"
    & skf18("3","5","1","8","8","1","1") = "7"
    & skf18("3","5","1","8","8","2","1") = "7"
    & skf18("3","5","1","8","8","3","1") = "7"
    & skf18("3","5","1","8","8","4","1") = "7"
    & skf18("3","5","1","8","8","5","1") = "7"
    & skf18("3","5","1","8","8","6","1") = "7"
    & skf18("3","5","1","8","8","7","1") = "7"
    & skf18("3","5","1","8","8","8","1") = "7"
    & skf18("3","5","1","8","8","9","1") = "8"
    & skf18("3","5","1","8","8","10","1") = "9"
    & skf18("3","5","1","8","9","1","1") = "8"
    & skf18("3","5","1","8","9","2","1") = "8"
    & skf18("3","5","1","8","9","3","1") = "8"
    & skf18("3","5","1","8","9","4","1") = "8"
    & skf18("3","5","1","8","9","5","1") = "8"
    & skf18("3","5","1","8","9","6","1") = "8"
    & skf18("3","5","1","8","9","7","1") = "8"
    & skf18("3","5","1","8","9","8","1") = "8"
    & skf18("3","5","1","8","9","9","1") = "8"
    & skf18("3","5","1","8","9","10","1") = "9"
    & skf18("3","5","1","8","10","1","1") = "9"
    & skf18("3","5","1","8","10","2","1") = "9"
    & skf18("3","5","1","8","10","3","1") = "9"
    & skf18("3","5","1","8","10","4","1") = "9"
    & skf18("3","5","1","8","10","5","1") = "9"
    & skf18("3","5","1","8","10","6","1") = "9"
    & skf18("3","5","1","8","10","7","1") = "9"
    & skf18("3","5","1","8","10","8","1") = "9"
    & skf18("3","5","1","8","10","9","1") = "9"
    & skf18("3","5","1","8","10","10","1") = "9"
    & skf18("3","5","1","9","1","1","1") = "8"
    & skf18("3","5","1","9","1","2","1") = "8"
    & skf18("3","5","1","9","1","3","1") = "8"
    & skf18("3","5","1","9","1","4","1") = "8"
    & skf18("3","5","1","9","1","5","1") = "8"
    & skf18("3","5","1","9","1","6","1") = "8"
    & skf18("3","5","1","9","1","7","1") = "8"
    & skf18("3","5","1","9","1","8","1") = "8"
    & skf18("3","5","1","9","1","9","1") = "8"
    & skf18("3","5","1","9","1","10","1") = "9"
    & skf18("3","5","1","9","2","1","1") = "8"
    & skf18("3","5","1","9","2","2","1") = "8"
    & skf18("3","5","1","9","2","3","1") = "8"
    & skf18("3","5","1","9","2","4","1") = "8"
    & skf18("3","5","1","9","2","5","1") = "8"
    & skf18("3","5","1","9","2","6","1") = "8"
    & skf18("3","5","1","9","2","7","1") = "8"
    & skf18("3","5","1","9","2","8","1") = "8"
    & skf18("3","5","1","9","2","9","1") = "8"
    & skf18("3","5","1","9","2","10","1") = "9"
    & skf18("3","5","1","9","3","1","1") = "8"
    & skf18("3","5","1","9","3","2","1") = "8"
    & skf18("3","5","1","9","3","3","1") = "8"
    & skf18("3","5","1","9","3","4","1") = "8"
    & skf18("3","5","1","9","3","5","1") = "8"
    & skf18("3","5","1","9","3","6","1") = "8"
    & skf18("3","5","1","9","3","7","1") = "8"
    & skf18("3","5","1","9","3","8","1") = "8"
    & skf18("3","5","1","9","3","9","1") = "8"
    & skf18("3","5","1","9","3","10","1") = "9"
    & skf18("3","5","1","9","4","1","1") = "8"
    & skf18("3","5","1","9","4","2","1") = "8"
    & skf18("3","5","1","9","4","3","1") = "8"
    & skf18("3","5","1","9","4","4","1") = "8"
    & skf18("3","5","1","9","4","5","1") = "8"
    & skf18("3","5","1","9","4","6","1") = "8"
    & skf18("3","5","1","9","4","7","1") = "8"
    & skf18("3","5","1","9","4","8","1") = "8"
    & skf18("3","5","1","9","4","9","1") = "8"
    & skf18("3","5","1","9","4","10","1") = "9"
    & skf18("3","5","1","9","5","1","1") = "8"
    & skf18("3","5","1","9","5","2","1") = "8"
    & skf18("3","5","1","9","5","3","1") = "8"
    & skf18("3","5","1","9","5","4","1") = "8"
    & skf18("3","5","1","9","5","5","1") = "8"
    & skf18("3","5","1","9","5","6","1") = "8"
    & skf18("3","5","1","9","5","7","1") = "8"
    & skf18("3","5","1","9","5","8","1") = "8"
    & skf18("3","5","1","9","5","9","1") = "8"
    & skf18("3","5","1","9","5","10","1") = "9"
    & skf18("3","5","1","9","6","1","1") = "8"
    & skf18("3","5","1","9","6","2","1") = "8"
    & skf18("3","5","1","9","6","3","1") = "8"
    & skf18("3","5","1","9","6","4","1") = "8"
    & skf18("3","5","1","9","6","5","1") = "8"
    & skf18("3","5","1","9","6","6","1") = "8"
    & skf18("3","5","1","9","6","7","1") = "8"
    & skf18("3","5","1","9","6","8","1") = "8"
    & skf18("3","5","1","9","6","9","1") = "8"
    & skf18("3","5","1","9","6","10","1") = "9"
    & skf18("3","5","1","9","7","1","1") = "8"
    & skf18("3","5","1","9","7","2","1") = "8"
    & skf18("3","5","1","9","7","3","1") = "8"
    & skf18("3","5","1","9","7","4","1") = "8"
    & skf18("3","5","1","9","7","5","1") = "8"
    & skf18("3","5","1","9","7","6","1") = "8"
    & skf18("3","5","1","9","7","7","1") = "8"
    & skf18("3","5","1","9","7","8","1") = "8"
    & skf18("3","5","1","9","7","9","1") = "8"
    & skf18("3","5","1","9","7","10","1") = "9"
    & skf18("3","5","1","9","8","1","1") = "8"
    & skf18("3","5","1","9","8","2","1") = "8"
    & skf18("3","5","1","9","8","3","1") = "8"
    & skf18("3","5","1","9","8","4","1") = "8"
    & skf18("3","5","1","9","8","5","1") = "8"
    & skf18("3","5","1","9","8","6","1") = "8"
    & skf18("3","5","1","9","8","7","1") = "8"
    & skf18("3","5","1","9","8","8","1") = "8"
    & skf18("3","5","1","9","8","9","1") = "8"
    & skf18("3","5","1","9","8","10","1") = "9"
    & skf18("3","5","1","9","9","1","1") = "8"
    & skf18("3","5","1","9","9","2","1") = "8"
    & skf18("3","5","1","9","9","3","1") = "8"
    & skf18("3","5","1","9","9","4","1") = "8"
    & skf18("3","5","1","9","9","5","1") = "8"
    & skf18("3","5","1","9","9","6","1") = "8"
    & skf18("3","5","1","9","9","7","1") = "8"
    & skf18("3","5","1","9","9","8","1") = "8"
    & skf18("3","5","1","9","9","9","1") = "8"
    & skf18("3","5","1","9","9","10","1") = "9"
    & skf18("3","5","1","9","10","1","1") = "9"
    & skf18("3","5","1","9","10","2","1") = "9"
    & skf18("3","5","1","9","10","3","1") = "9"
    & skf18("3","5","1","9","10","4","1") = "9"
    & skf18("3","5","1","9","10","5","1") = "9"
    & skf18("3","5","1","9","10","6","1") = "9"
    & skf18("3","5","1","9","10","7","1") = "9"
    & skf18("3","5","1","9","10","8","1") = "9"
    & skf18("3","5","1","9","10","9","1") = "9"
    & skf18("3","5","1","9","10","10","1") = "9"
    & skf18("3","5","1","10","1","1","1") = "9"
    & skf18("3","5","1","10","1","2","1") = "9"
    & skf18("3","5","1","10","1","3","1") = "9"
    & skf18("3","5","1","10","1","4","1") = "9"
    & skf18("3","5","1","10","1","5","1") = "9"
    & skf18("3","5","1","10","1","6","1") = "9"
    & skf18("3","5","1","10","1","7","1") = "9"
    & skf18("3","5","1","10","1","8","1") = "9"
    & skf18("3","5","1","10","1","9","1") = "9"
    & skf18("3","5","1","10","1","10","1") = "9"
    & skf18("3","5","1","10","2","1","1") = "9"
    & skf18("3","5","1","10","2","2","1") = "9"
    & skf18("3","5","1","10","2","3","1") = "9"
    & skf18("3","5","1","10","2","4","1") = "9"
    & skf18("3","5","1","10","2","5","1") = "9"
    & skf18("3","5","1","10","2","6","1") = "9"
    & skf18("3","5","1","10","2","7","1") = "9"
    & skf18("3","5","1","10","2","8","1") = "9"
    & skf18("3","5","1","10","2","9","1") = "9"
    & skf18("3","5","1","10","2","10","1") = "9"
    & skf18("3","5","1","10","3","1","1") = "9"
    & skf18("3","5","1","10","3","2","1") = "9"
    & skf18("3","5","1","10","3","3","1") = "9"
    & skf18("3","5","1","10","3","4","1") = "9"
    & skf18("3","5","1","10","3","5","1") = "9"
    & skf18("3","5","1","10","3","6","1") = "9"
    & skf18("3","5","1","10","3","7","1") = "9"
    & skf18("3","5","1","10","3","8","1") = "9"
    & skf18("3","5","1","10","3","9","1") = "9"
    & skf18("3","5","1","10","3","10","1") = "9"
    & skf18("3","5","1","10","4","1","1") = "9"
    & skf18("3","5","1","10","4","2","1") = "9"
    & skf18("3","5","1","10","4","3","1") = "9"
    & skf18("3","5","1","10","4","4","1") = "9"
    & skf18("3","5","1","10","4","5","1") = "9"
    & skf18("3","5","1","10","4","6","1") = "9"
    & skf18("3","5","1","10","4","7","1") = "9"
    & skf18("3","5","1","10","4","8","1") = "9"
    & skf18("3","5","1","10","4","9","1") = "9"
    & skf18("3","5","1","10","4","10","1") = "9"
    & skf18("3","5","1","10","5","1","1") = "9"
    & skf18("3","5","1","10","5","2","1") = "9"
    & skf18("3","5","1","10","5","3","1") = "9"
    & skf18("3","5","1","10","5","4","1") = "9"
    & skf18("3","5","1","10","5","5","1") = "9"
    & skf18("3","5","1","10","5","6","1") = "9"
    & skf18("3","5","1","10","5","7","1") = "9"
    & skf18("3","5","1","10","5","8","1") = "9"
    & skf18("3","5","1","10","5","9","1") = "9"
    & skf18("3","5","1","10","5","10","1") = "9"
    & skf18("3","5","1","10","6","1","1") = "9"
    & skf18("3","5","1","10","6","2","1") = "9"
    & skf18("3","5","1","10","6","3","1") = "9"
    & skf18("3","5","1","10","6","4","1") = "9"
    & skf18("3","5","1","10","6","5","1") = "9"
    & skf18("3","5","1","10","6","6","1") = "9"
    & skf18("3","5","1","10","6","7","1") = "9"
    & skf18("3","5","1","10","6","8","1") = "9"
    & skf18("3","5","1","10","6","9","1") = "9"
    & skf18("3","5","1","10","6","10","1") = "9"
    & skf18("3","5","1","10","7","1","1") = "9"
    & skf18("3","5","1","10","7","2","1") = "9"
    & skf18("3","5","1","10","7","3","1") = "9"
    & skf18("3","5","1","10","7","4","1") = "9"
    & skf18("3","5","1","10","7","5","1") = "9"
    & skf18("3","5","1","10","7","6","1") = "9"
    & skf18("3","5","1","10","7","7","1") = "9"
    & skf18("3","5","1","10","7","8","1") = "9"
    & skf18("3","5","1","10","7","9","1") = "9"
    & skf18("3","5","1","10","7","10","1") = "9"
    & skf18("3","5","1","10","8","1","1") = "9"
    & skf18("3","5","1","10","8","2","1") = "9"
    & skf18("3","5","1","10","8","3","1") = "9"
    & skf18("3","5","1","10","8","4","1") = "9"
    & skf18("3","5","1","10","8","5","1") = "9"
    & skf18("3","5","1","10","8","6","1") = "9"
    & skf18("3","5","1","10","8","7","1") = "9"
    & skf18("3","5","1","10","8","8","1") = "9"
    & skf18("3","5","1","10","8","9","1") = "9"
    & skf18("3","5","1","10","8","10","1") = "9"
    & skf18("3","5","1","10","9","1","1") = "9"
    & skf18("3","5","1","10","9","2","1") = "9"
    & skf18("3","5","1","10","9","3","1") = "9"
    & skf18("3","5","1","10","9","4","1") = "9"
    & skf18("3","5","1","10","9","5","1") = "9"
    & skf18("3","5","1","10","9","6","1") = "9"
    & skf18("3","5","1","10","9","7","1") = "9"
    & skf18("3","5","1","10","9","8","1") = "9"
    & skf18("3","5","1","10","9","9","1") = "9"
    & skf18("3","5","1","10","9","10","1") = "9"
    & skf18("3","5","1","10","10","1","1") = "9"
    & skf18("3","5","1","10","10","2","1") = "9"
    & skf18("3","5","1","10","10","3","1") = "9"
    & skf18("3","5","1","10","10","4","1") = "9"
    & skf18("3","5","1","10","10","5","1") = "9"
    & skf18("3","5","1","10","10","6","1") = "9"
    & skf18("3","5","1","10","10","7","1") = "9"
    & skf18("3","5","1","10","10","8","1") = "9"
    & skf18("3","5","1","10","10","9","1") = "9"
    & skf18("3","5","1","10","10","10","1") = "9"
    & skf18("3","5","2","1","1","1","1") = "4"
    & skf18("3","5","2","1","1","2","1") = "4"
    & skf18("3","5","2","1","1","3","1") = "4"
    & skf18("3","5","2","1","1","4","1") = "4"
    & skf18("3","5","2","1","1","5","1") = "4"
    & skf18("3","5","2","1","1","6","1") = "5"
    & skf18("3","5","2","1","1","7","1") = "6"
    & skf18("3","5","2","1","1","8","1") = "7"
    & skf18("3","5","2","1","1","9","1") = "8"
    & skf18("3","5","2","1","1","10","1") = "9"
    & skf18("3","5","2","1","2","1","1") = "4"
    & skf18("3","5","2","1","2","2","1") = "4"
    & skf18("3","5","2","1","2","3","1") = "4"
    & skf18("3","5","2","1","2","4","1") = "4"
    & skf18("3","5","2","1","2","5","1") = "4"
    & skf18("3","5","2","1","2","6","1") = "5"
    & skf18("3","5","2","1","2","7","1") = "6"
    & skf18("3","5","2","1","2","8","1") = "7"
    & skf18("3","5","2","1","2","9","1") = "8"
    & skf18("3","5","2","1","2","10","1") = "9"
    & skf18("3","5","2","1","3","1","1") = "4"
    & skf18("3","5","2","1","3","2","1") = "4"
    & skf18("3","5","2","1","3","3","1") = "4"
    & skf18("3","5","2","1","3","4","1") = "4"
    & skf18("3","5","2","1","3","5","1") = "4"
    & skf18("3","5","2","1","3","6","1") = "5"
    & skf18("3","5","2","1","3","7","1") = "6"
    & skf18("3","5","2","1","3","8","1") = "7"
    & skf18("3","5","2","1","3","9","1") = "8"
    & skf18("3","5","2","1","3","10","1") = "9"
    & skf18("3","5","2","1","4","1","1") = "4"
    & skf18("3","5","2","1","4","2","1") = "4"
    & skf18("3","5","2","1","4","3","1") = "4"
    & skf18("3","5","2","1","4","4","1") = "4"
    & skf18("3","5","2","1","4","5","1") = "4"
    & skf18("3","5","2","1","4","6","1") = "5"
    & skf18("3","5","2","1","4","7","1") = "6"
    & skf18("3","5","2","1","4","8","1") = "7"
    & skf18("3","5","2","1","4","9","1") = "8"
    & skf18("3","5","2","1","4","10","1") = "9"
    & skf18("3","5","2","1","5","1","1") = "4"
    & skf18("3","5","2","1","5","2","1") = "4"
    & skf18("3","5","2","1","5","3","1") = "4"
    & skf18("3","5","2","1","5","4","1") = "4"
    & skf18("3","5","2","1","5","5","1") = "4"
    & skf18("3","5","2","1","5","6","1") = "5"
    & skf18("3","5","2","1","5","7","1") = "6"
    & skf18("3","5","2","1","5","8","1") = "7"
    & skf18("3","5","2","1","5","9","1") = "8"
    & skf18("3","5","2","1","5","10","1") = "9"
    & skf18("3","5","2","1","6","1","1") = "5"
    & skf18("3","5","2","1","6","2","1") = "5"
    & skf18("3","5","2","1","6","3","1") = "5"
    & skf18("3","5","2","1","6","4","1") = "5"
    & skf18("3","5","2","1","6","5","1") = "5"
    & skf18("3","5","2","1","6","6","1") = "5"
    & skf18("3","5","2","1","6","7","1") = "6"
    & skf18("3","5","2","1","6","8","1") = "7"
    & skf18("3","5","2","1","6","9","1") = "8"
    & skf18("3","5","2","1","6","10","1") = "9"
    & skf18("3","5","2","1","7","1","1") = "6"
    & skf18("3","5","2","1","7","2","1") = "6"
    & skf18("3","5","2","1","7","3","1") = "6"
    & skf18("3","5","2","1","7","4","1") = "6"
    & skf18("3","5","2","1","7","5","1") = "6"
    & skf18("3","5","2","1","7","6","1") = "6"
    & skf18("3","5","2","1","7","7","1") = "6"
    & skf18("3","5","2","1","7","8","1") = "7"
    & skf18("3","5","2","1","7","9","1") = "8"
    & skf18("3","5","2","1","7","10","1") = "9"
    & skf18("3","5","2","1","8","1","1") = "7"
    & skf18("3","5","2","1","8","2","1") = "7"
    & skf18("3","5","2","1","8","3","1") = "7"
    & skf18("3","5","2","1","8","4","1") = "7"
    & skf18("3","5","2","1","8","5","1") = "7"
    & skf18("3","5","2","1","8","6","1") = "7"
    & skf18("3","5","2","1","8","7","1") = "7"
    & skf18("3","5","2","1","8","8","1") = "7"
    & skf18("3","5","2","1","8","9","1") = "8"
    & skf18("3","5","2","1","8","10","1") = "9"
    & skf18("3","5","2","1","9","1","1") = "8"
    & skf18("3","5","2","1","9","2","1") = "8"
    & skf18("3","5","2","1","9","3","1") = "8"
    & skf18("3","5","2","1","9","4","1") = "8"
    & skf18("3","5","2","1","9","5","1") = "8"
    & skf18("3","5","2","1","9","6","1") = "8"
    & skf18("3","5","2","1","9","7","1") = "8"
    & skf18("3","5","2","1","9","8","1") = "8"
    & skf18("3","5","2","1","9","9","1") = "8"
    & skf18("3","5","2","1","9","10","1") = "9"
    & skf18("3","5","2","1","10","1","1") = "9"
    & skf18("3","5","2","1","10","2","1") = "9"
    & skf18("3","5","2","1","10","3","1") = "9"
    & skf18("3","5","2","1","10","4","1") = "9"
    & skf18("3","5","2","1","10","5","1") = "9"
    & skf18("3","5","2","1","10","6","1") = "9"
    & skf18("3","5","2","1","10","7","1") = "9"
    & skf18("3","5","2","1","10","8","1") = "9"
    & skf18("3","5","2","1","10","9","1") = "9"
    & skf18("3","5","2","1","10","10","1") = "9"
    & skf18("3","5","2","2","1","1","1") = "4"
    & skf18("3","5","2","2","1","2","1") = "4"
    & skf18("3","5","2","2","1","3","1") = "4"
    & skf18("3","5","2","2","1","4","1") = "4"
    & skf18("3","5","2","2","1","5","1") = "4"
    & skf18("3","5","2","2","1","6","1") = "5"
    & skf18("3","5","2","2","1","7","1") = "6"
    & skf18("3","5","2","2","1","8","1") = "7"
    & skf18("3","5","2","2","1","9","1") = "8"
    & skf18("3","5","2","2","1","10","1") = "9"
    & skf18("3","5","2","2","2","1","1") = "4"
    & skf18("3","5","2","2","2","2","1") = "4"
    & skf18("3","5","2","2","2","3","1") = "4"
    & skf18("3","5","2","2","2","4","1") = "4"
    & skf18("3","5","2","2","2","5","1") = "4"
    & skf18("3","5","2","2","2","6","1") = "5"
    & skf18("3","5","2","2","2","7","1") = "6"
    & skf18("3","5","2","2","2","8","1") = "7"
    & skf18("3","5","2","2","2","9","1") = "8"
    & skf18("3","5","2","2","2","10","1") = "9"
    & skf18("3","5","2","2","3","1","1") = "4"
    & skf18("3","5","2","2","3","2","1") = "4"
    & skf18("3","5","2","2","3","3","1") = "4"
    & skf18("3","5","2","2","3","4","1") = "4"
    & skf18("3","5","2","2","3","5","1") = "4"
    & skf18("3","5","2","2","3","6","1") = "5"
    & skf18("3","5","2","2","3","7","1") = "6"
    & skf18("3","5","2","2","3","8","1") = "7"
    & skf18("3","5","2","2","3","9","1") = "8"
    & skf18("3","5","2","2","3","10","1") = "9"
    & skf18("3","5","2","2","4","1","1") = "4"
    & skf18("3","5","2","2","4","2","1") = "4"
    & skf18("3","5","2","2","4","3","1") = "4"
    & skf18("3","5","2","2","4","4","1") = "4"
    & skf18("3","5","2","2","4","5","1") = "4"
    & skf18("3","5","2","2","4","6","1") = "5"
    & skf18("3","5","2","2","4","7","1") = "6"
    & skf18("3","5","2","2","4","8","1") = "7"
    & skf18("3","5","2","2","4","9","1") = "8"
    & skf18("3","5","2","2","4","10","1") = "9"
    & skf18("3","5","2","2","5","1","1") = "4"
    & skf18("3","5","2","2","5","2","1") = "4"
    & skf18("3","5","2","2","5","3","1") = "4"
    & skf18("3","5","2","2","5","4","1") = "4"
    & skf18("3","5","2","2","5","5","1") = "4"
    & skf18("3","5","2","2","5","6","1") = "5"
    & skf18("3","5","2","2","5","7","1") = "6"
    & skf18("3","5","2","2","5","8","1") = "7"
    & skf18("3","5","2","2","5","9","1") = "8"
    & skf18("3","5","2","2","5","10","1") = "9"
    & skf18("3","5","2","2","6","1","1") = "5"
    & skf18("3","5","2","2","6","2","1") = "5"
    & skf18("3","5","2","2","6","3","1") = "5"
    & skf18("3","5","2","2","6","4","1") = "5"
    & skf18("3","5","2","2","6","5","1") = "5"
    & skf18("3","5","2","2","6","6","1") = "5"
    & skf18("3","5","2","2","6","7","1") = "6"
    & skf18("3","5","2","2","6","8","1") = "7"
    & skf18("3","5","2","2","6","9","1") = "8"
    & skf18("3","5","2","2","6","10","1") = "9"
    & skf18("3","5","2","2","7","1","1") = "6"
    & skf18("3","5","2","2","7","2","1") = "6"
    & skf18("3","5","2","2","7","3","1") = "6"
    & skf18("3","5","2","2","7","4","1") = "6"
    & skf18("3","5","2","2","7","5","1") = "6"
    & skf18("3","5","2","2","7","6","1") = "6"
    & skf18("3","5","2","2","7","7","1") = "6"
    & skf18("3","5","2","2","7","8","1") = "7"
    & skf18("3","5","2","2","7","9","1") = "8"
    & skf18("3","5","2","2","7","10","1") = "9"
    & skf18("3","5","2","2","8","1","1") = "7"
    & skf18("3","5","2","2","8","2","1") = "7"
    & skf18("3","5","2","2","8","3","1") = "7"
    & skf18("3","5","2","2","8","4","1") = "7"
    & skf18("3","5","2","2","8","5","1") = "7"
    & skf18("3","5","2","2","8","6","1") = "7"
    & skf18("3","5","2","2","8","7","1") = "7"
    & skf18("3","5","2","2","8","8","1") = "7"
    & skf18("3","5","2","2","8","9","1") = "8"
    & skf18("3","5","2","2","8","10","1") = "9"
    & skf18("3","5","2","2","9","1","1") = "8"
    & skf18("3","5","2","2","9","2","1") = "8"
    & skf18("3","5","2","2","9","3","1") = "8"
    & skf18("3","5","2","2","9","4","1") = "8"
    & skf18("3","5","2","2","9","5","1") = "8"
    & skf18("3","5","2","2","9","6","1") = "8"
    & skf18("3","5","2","2","9","7","1") = "8"
    & skf18("3","5","2","2","9","8","1") = "8"
    & skf18("3","5","2","2","9","9","1") = "8"
    & skf18("3","5","2","2","9","10","1") = "9"
    & skf18("3","5","2","2","10","1","1") = "9"
    & skf18("3","5","2","2","10","2","1") = "9"
    & skf18("3","5","2","2","10","3","1") = "9"
    & skf18("3","5","2","2","10","4","1") = "9"
    & skf18("3","5","2","2","10","5","1") = "9"
    & skf18("3","5","2","2","10","6","1") = "9"
    & skf18("3","5","2","2","10","7","1") = "9"
    & skf18("3","5","2","2","10","8","1") = "9"
    & skf18("3","5","2","2","10","9","1") = "9"
    & skf18("3","5","2","2","10","10","1") = "9"
    & skf18("3","5","2","3","1","1","1") = "4"
    & skf18("3","5","2","3","1","2","1") = "4"
    & skf18("3","5","2","3","1","3","1") = "4"
    & skf18("3","5","2","3","1","4","1") = "4"
    & skf18("3","5","2","3","1","5","1") = "4"
    & skf18("3","5","2","3","1","6","1") = "5"
    & skf18("3","5","2","3","1","7","1") = "6"
    & skf18("3","5","2","3","1","8","1") = "7"
    & skf18("3","5","2","3","1","9","1") = "8"
    & skf18("3","5","2","3","1","10","1") = "9"
    & skf18("3","5","2","3","2","1","1") = "4"
    & skf18("3","5","2","3","2","2","1") = "4"
    & skf18("3","5","2","3","2","3","1") = "4"
    & skf18("3","5","2","3","2","4","1") = "4"
    & skf18("3","5","2","3","2","5","1") = "4"
    & skf18("3","5","2","3","2","6","1") = "5"
    & skf18("3","5","2","3","2","7","1") = "6"
    & skf18("3","5","2","3","2","8","1") = "7"
    & skf18("3","5","2","3","2","9","1") = "8"
    & skf18("3","5","2","3","2","10","1") = "9"
    & skf18("3","5","2","3","3","1","1") = "4"
    & skf18("3","5","2","3","3","2","1") = "4"
    & skf18("3","5","2","3","3","3","1") = "4"
    & skf18("3","5","2","3","3","4","1") = "4"
    & skf18("3","5","2","3","3","5","1") = "4"
    & skf18("3","5","2","3","3","6","1") = "5"
    & skf18("3","5","2","3","3","7","1") = "6"
    & skf18("3","5","2","3","3","8","1") = "7"
    & skf18("3","5","2","3","3","9","1") = "8"
    & skf18("3","5","2","3","3","10","1") = "9"
    & skf18("3","5","2","3","4","1","1") = "4"
    & skf18("3","5","2","3","4","2","1") = "4"
    & skf18("3","5","2","3","4","3","1") = "4"
    & skf18("3","5","2","3","4","4","1") = "4"
    & skf18("3","5","2","3","4","5","1") = "4"
    & skf18("3","5","2","3","4","6","1") = "5"
    & skf18("3","5","2","3","4","7","1") = "6"
    & skf18("3","5","2","3","4","8","1") = "7"
    & skf18("3","5","2","3","4","9","1") = "8"
    & skf18("3","5","2","3","4","10","1") = "9"
    & skf18("3","5","2","3","5","1","1") = "4"
    & skf18("3","5","2","3","5","2","1") = "4"
    & skf18("3","5","2","3","5","3","1") = "4"
    & skf18("3","5","2","3","5","4","1") = "4"
    & skf18("3","5","2","3","5","5","1") = "4"
    & skf18("3","5","2","3","5","6","1") = "5"
    & skf18("3","5","2","3","5","7","1") = "6"
    & skf18("3","5","2","3","5","8","1") = "7"
    & skf18("3","5","2","3","5","9","1") = "8"
    & skf18("3","5","2","3","5","10","1") = "9"
    & skf18("3","5","2","3","6","1","1") = "5"
    & skf18("3","5","2","3","6","2","1") = "5"
    & skf18("3","5","2","3","6","3","1") = "5"
    & skf18("3","5","2","3","6","4","1") = "5"
    & skf18("3","5","2","3","6","5","1") = "5"
    & skf18("3","5","2","3","6","6","1") = "5"
    & skf18("3","5","2","3","6","7","1") = "6"
    & skf18("3","5","2","3","6","8","1") = "7"
    & skf18("3","5","2","3","6","9","1") = "8"
    & skf18("3","5","2","3","6","10","1") = "9"
    & skf18("3","5","2","3","7","1","1") = "6"
    & skf18("3","5","2","3","7","2","1") = "6"
    & skf18("3","5","2","3","7","3","1") = "6"
    & skf18("3","5","2","3","7","4","1") = "6"
    & skf18("3","5","2","3","7","5","1") = "6"
    & skf18("3","5","2","3","7","6","1") = "6"
    & skf18("3","5","2","3","7","7","1") = "6"
    & skf18("3","5","2","3","7","8","1") = "7"
    & skf18("3","5","2","3","7","9","1") = "8"
    & skf18("3","5","2","3","7","10","1") = "9"
    & skf18("3","5","2","3","8","1","1") = "7"
    & skf18("3","5","2","3","8","2","1") = "7"
    & skf18("3","5","2","3","8","3","1") = "7"
    & skf18("3","5","2","3","8","4","1") = "7"
    & skf18("3","5","2","3","8","5","1") = "7"
    & skf18("3","5","2","3","8","6","1") = "7"
    & skf18("3","5","2","3","8","7","1") = "7"
    & skf18("3","5","2","3","8","8","1") = "7"
    & skf18("3","5","2","3","8","9","1") = "8"
    & skf18("3","5","2","3","8","10","1") = "9"
    & skf18("3","5","2","3","9","1","1") = "8"
    & skf18("3","5","2","3","9","2","1") = "8"
    & skf18("3","5","2","3","9","3","1") = "8"
    & skf18("3","5","2","3","9","4","1") = "8"
    & skf18("3","5","2","3","9","5","1") = "8"
    & skf18("3","5","2","3","9","6","1") = "8"
    & skf18("3","5","2","3","9","7","1") = "8"
    & skf18("3","5","2","3","9","8","1") = "8"
    & skf18("3","5","2","3","9","9","1") = "8"
    & skf18("3","5","2","3","9","10","1") = "9"
    & skf18("3","5","2","3","10","1","1") = "9"
    & skf18("3","5","2","3","10","2","1") = "9"
    & skf18("3","5","2","3","10","3","1") = "9"
    & skf18("3","5","2","3","10","4","1") = "9"
    & skf18("3","5","2","3","10","5","1") = "9"
    & skf18("3","5","2","3","10","6","1") = "9"
    & skf18("3","5","2","3","10","7","1") = "9"
    & skf18("3","5","2","3","10","8","1") = "9"
    & skf18("3","5","2","3","10","9","1") = "9"
    & skf18("3","5","2","3","10","10","1") = "9"
    & skf18("3","5","2","4","1","1","1") = "4"
    & skf18("3","5","2","4","1","2","1") = "4"
    & skf18("3","5","2","4","1","3","1") = "4"
    & skf18("3","5","2","4","1","4","1") = "4"
    & skf18("3","5","2","4","1","5","1") = "4"
    & skf18("3","5","2","4","1","6","1") = "5"
    & skf18("3","5","2","4","1","7","1") = "6"
    & skf18("3","5","2","4","1","8","1") = "7"
    & skf18("3","5","2","4","1","9","1") = "8"
    & skf18("3","5","2","4","1","10","1") = "9"
    & skf18("3","5","2","4","2","1","1") = "4"
    & skf18("3","5","2","4","2","2","1") = "4"
    & skf18("3","5","2","4","2","3","1") = "4"
    & skf18("3","5","2","4","2","4","1") = "4"
    & skf18("3","5","2","4","2","5","1") = "4"
    & skf18("3","5","2","4","2","6","1") = "5"
    & skf18("3","5","2","4","2","7","1") = "6"
    & skf18("3","5","2","4","2","8","1") = "7"
    & skf18("3","5","2","4","2","9","1") = "8"
    & skf18("3","5","2","4","2","10","1") = "9"
    & skf18("3","5","2","4","3","1","1") = "4"
    & skf18("3","5","2","4","3","2","1") = "4"
    & skf18("3","5","2","4","3","3","1") = "4"
    & skf18("3","5","2","4","3","4","1") = "4"
    & skf18("3","5","2","4","3","5","1") = "4"
    & skf18("3","5","2","4","3","6","1") = "5"
    & skf18("3","5","2","4","3","7","1") = "6"
    & skf18("3","5","2","4","3","8","1") = "7"
    & skf18("3","5","2","4","3","9","1") = "8"
    & skf18("3","5","2","4","3","10","1") = "9"
    & skf18("3","5","2","4","4","1","1") = "4"
    & skf18("3","5","2","4","4","2","1") = "4"
    & skf18("3","5","2","4","4","3","1") = "4"
    & skf18("3","5","2","4","4","4","1") = "4"
    & skf18("3","5","2","4","4","5","1") = "4"
    & skf18("3","5","2","4","4","6","1") = "5"
    & skf18("3","5","2","4","4","7","1") = "6"
    & skf18("3","5","2","4","4","8","1") = "7"
    & skf18("3","5","2","4","4","9","1") = "8"
    & skf18("3","5","2","4","4","10","1") = "9"
    & skf18("3","5","2","4","5","1","1") = "4"
    & skf18("3","5","2","4","5","2","1") = "4"
    & skf18("3","5","2","4","5","3","1") = "4"
    & skf18("3","5","2","4","5","4","1") = "4"
    & skf18("3","5","2","4","5","5","1") = "4"
    & skf18("3","5","2","4","5","6","1") = "5"
    & skf18("3","5","2","4","5","7","1") = "6"
    & skf18("3","5","2","4","5","8","1") = "7"
    & skf18("3","5","2","4","5","9","1") = "8"
    & skf18("3","5","2","4","5","10","1") = "9"
    & skf18("3","5","2","4","6","1","1") = "5"
    & skf18("3","5","2","4","6","2","1") = "5"
    & skf18("3","5","2","4","6","3","1") = "5"
    & skf18("3","5","2","4","6","4","1") = "5"
    & skf18("3","5","2","4","6","5","1") = "5"
    & skf18("3","5","2","4","6","6","1") = "5"
    & skf18("3","5","2","4","6","7","1") = "6"
    & skf18("3","5","2","4","6","8","1") = "7"
    & skf18("3","5","2","4","6","9","1") = "8"
    & skf18("3","5","2","4","6","10","1") = "9"
    & skf18("3","5","2","4","7","1","1") = "6"
    & skf18("3","5","2","4","7","2","1") = "6"
    & skf18("3","5","2","4","7","3","1") = "6"
    & skf18("3","5","2","4","7","4","1") = "6"
    & skf18("3","5","2","4","7","5","1") = "6"
    & skf18("3","5","2","4","7","6","1") = "6"
    & skf18("3","5","2","4","7","7","1") = "6"
    & skf18("3","5","2","4","7","8","1") = "7"
    & skf18("3","5","2","4","7","9","1") = "8"
    & skf18("3","5","2","4","7","10","1") = "9"
    & skf18("3","5","2","4","8","1","1") = "7"
    & skf18("3","5","2","4","8","2","1") = "7"
    & skf18("3","5","2","4","8","3","1") = "7"
    & skf18("3","5","2","4","8","4","1") = "7"
    & skf18("3","5","2","4","8","5","1") = "7"
    & skf18("3","5","2","4","8","6","1") = "7"
    & skf18("3","5","2","4","8","7","1") = "7"
    & skf18("3","5","2","4","8","8","1") = "7"
    & skf18("3","5","2","4","8","9","1") = "8"
    & skf18("3","5","2","4","8","10","1") = "9"
    & skf18("3","5","2","4","9","1","1") = "8"
    & skf18("3","5","2","4","9","2","1") = "8"
    & skf18("3","5","2","4","9","3","1") = "8"
    & skf18("3","5","2","4","9","4","1") = "8"
    & skf18("3","5","2","4","9","5","1") = "8"
    & skf18("3","5","2","4","9","6","1") = "8"
    & skf18("3","5","2","4","9","7","1") = "8"
    & skf18("3","5","2","4","9","8","1") = "8"
    & skf18("3","5","2","4","9","9","1") = "8"
    & skf18("3","5","2","4","9","10","1") = "9"
    & skf18("3","5","2","4","10","1","1") = "9"
    & skf18("3","5","2","4","10","2","1") = "9"
    & skf18("3","5","2","4","10","3","1") = "9"
    & skf18("3","5","2","4","10","4","1") = "9"
    & skf18("3","5","2","4","10","5","1") = "9"
    & skf18("3","5","2","4","10","6","1") = "9"
    & skf18("3","5","2","4","10","7","1") = "9"
    & skf18("3","5","2","4","10","8","1") = "9"
    & skf18("3","5","2","4","10","9","1") = "9"
    & skf18("3","5","2","4","10","10","1") = "9"
    & skf18("3","5","2","5","1","1","1") = "4"
    & skf18("3","5","2","5","1","2","1") = "4"
    & skf18("3","5","2","5","1","3","1") = "4"
    & skf18("3","5","2","5","1","4","1") = "4"
    & skf18("3","5","2","5","1","5","1") = "4"
    & skf18("3","5","2","5","1","6","1") = "5"
    & skf18("3","5","2","5","1","7","1") = "6"
    & skf18("3","5","2","5","1","8","1") = "7"
    & skf18("3","5","2","5","1","9","1") = "8"
    & skf18("3","5","2","5","1","10","1") = "9"
    & skf18("3","5","2","5","2","1","1") = "4"
    & skf18("3","5","2","5","2","2","1") = "4"
    & skf18("3","5","2","5","2","3","1") = "4"
    & skf18("3","5","2","5","2","4","1") = "4"
    & skf18("3","5","2","5","2","5","1") = "4"
    & skf18("3","5","2","5","2","6","1") = "5"
    & skf18("3","5","2","5","2","7","1") = "6"
    & skf18("3","5","2","5","2","8","1") = "7"
    & skf18("3","5","2","5","2","9","1") = "8"
    & skf18("3","5","2","5","2","10","1") = "9"
    & skf18("3","5","2","5","3","1","1") = "4"
    & skf18("3","5","2","5","3","2","1") = "4"
    & skf18("3","5","2","5","3","3","1") = "4"
    & skf18("3","5","2","5","3","4","1") = "4"
    & skf18("3","5","2","5","3","5","1") = "4"
    & skf18("3","5","2","5","3","6","1") = "5"
    & skf18("3","5","2","5","3","7","1") = "6"
    & skf18("3","5","2","5","3","8","1") = "7"
    & skf18("3","5","2","5","3","9","1") = "8"
    & skf18("3","5","2","5","3","10","1") = "9"
    & skf18("3","5","2","5","4","1","1") = "4"
    & skf18("3","5","2","5","4","2","1") = "4"
    & skf18("3","5","2","5","4","3","1") = "4"
    & skf18("3","5","2","5","4","4","1") = "4"
    & skf18("3","5","2","5","4","5","1") = "4"
    & skf18("3","5","2","5","4","6","1") = "5"
    & skf18("3","5","2","5","4","7","1") = "6"
    & skf18("3","5","2","5","4","8","1") = "7"
    & skf18("3","5","2","5","4","9","1") = "8"
    & skf18("3","5","2","5","4","10","1") = "9"
    & skf18("3","5","2","5","5","1","1") = "4"
    & skf18("3","5","2","5","5","2","1") = "4"
    & skf18("3","5","2","5","5","3","1") = "4"
    & skf18("3","5","2","5","5","4","1") = "4"
    & skf18("3","5","2","5","5","5","1") = "4"
    & skf18("3","5","2","5","5","6","1") = "5"
    & skf18("3","5","2","5","5","7","1") = "6"
    & skf18("3","5","2","5","5","8","1") = "7"
    & skf18("3","5","2","5","5","9","1") = "8"
    & skf18("3","5","2","5","5","10","1") = "9"
    & skf18("3","5","2","5","6","1","1") = "5"
    & skf18("3","5","2","5","6","2","1") = "5"
    & skf18("3","5","2","5","6","3","1") = "5"
    & skf18("3","5","2","5","6","4","1") = "5"
    & skf18("3","5","2","5","6","5","1") = "5"
    & skf18("3","5","2","5","6","6","1") = "5"
    & skf18("3","5","2","5","6","7","1") = "6"
    & skf18("3","5","2","5","6","8","1") = "7"
    & skf18("3","5","2","5","6","9","1") = "8"
    & skf18("3","5","2","5","6","10","1") = "9"
    & skf18("3","5","2","5","7","1","1") = "6"
    & skf18("3","5","2","5","7","2","1") = "6"
    & skf18("3","5","2","5","7","3","1") = "6"
    & skf18("3","5","2","5","7","4","1") = "6"
    & skf18("3","5","2","5","7","5","1") = "6"
    & skf18("3","5","2","5","7","6","1") = "6"
    & skf18("3","5","2","5","7","7","1") = "6"
    & skf18("3","5","2","5","7","8","1") = "7"
    & skf18("3","5","2","5","7","9","1") = "8"
    & skf18("3","5","2","5","7","10","1") = "9"
    & skf18("3","5","2","5","8","1","1") = "7"
    & skf18("3","5","2","5","8","2","1") = "7"
    & skf18("3","5","2","5","8","3","1") = "7"
    & skf18("3","5","2","5","8","4","1") = "7"
    & skf18("3","5","2","5","8","5","1") = "7"
    & skf18("3","5","2","5","8","6","1") = "7"
    & skf18("3","5","2","5","8","7","1") = "7"
    & skf18("3","5","2","5","8","8","1") = "7"
    & skf18("3","5","2","5","8","9","1") = "8"
    & skf18("3","5","2","5","8","10","1") = "9"
    & skf18("3","5","2","5","9","1","1") = "8"
    & skf18("3","5","2","5","9","2","1") = "8"
    & skf18("3","5","2","5","9","3","1") = "8"
    & skf18("3","5","2","5","9","4","1") = "8"
    & skf18("3","5","2","5","9","5","1") = "8"
    & skf18("3","5","2","5","9","6","1") = "8"
    & skf18("3","5","2","5","9","7","1") = "8"
    & skf18("3","5","2","5","9","8","1") = "8"
    & skf18("3","5","2","5","9","9","1") = "8"
    & skf18("3","5","2","5","9","10","1") = "9"
    & skf18("3","5","2","5","10","1","1") = "9"
    & skf18("3","5","2","5","10","2","1") = "9"
    & skf18("3","5","2","5","10","3","1") = "9"
    & skf18("3","5","2","5","10","4","1") = "9"
    & skf18("3","5","2","5","10","5","1") = "9"
    & skf18("3","5","2","5","10","6","1") = "9"
    & skf18("3","5","2","5","10","7","1") = "9"
    & skf18("3","5","2","5","10","8","1") = "9"
    & skf18("3","5","2","5","10","9","1") = "9"
    & skf18("3","5","2","5","10","10","1") = "9"
    & skf18("3","5","2","6","1","1","1") = "5"
    & skf18("3","5","2","6","1","2","1") = "5"
    & skf18("3","5","2","6","1","3","1") = "5"
    & skf18("3","5","2","6","1","4","1") = "5"
    & skf18("3","5","2","6","1","5","1") = "5"
    & skf18("3","5","2","6","1","6","1") = "5"
    & skf18("3","5","2","6","1","7","1") = "6"
    & skf18("3","5","2","6","1","8","1") = "7"
    & skf18("3","5","2","6","1","9","1") = "8"
    & skf18("3","5","2","6","1","10","1") = "9"
    & skf18("3","5","2","6","2","1","1") = "5"
    & skf18("3","5","2","6","2","2","1") = "5"
    & skf18("3","5","2","6","2","3","1") = "5"
    & skf18("3","5","2","6","2","4","1") = "5"
    & skf18("3","5","2","6","2","5","1") = "5"
    & skf18("3","5","2","6","2","6","1") = "5"
    & skf18("3","5","2","6","2","7","1") = "6"
    & skf18("3","5","2","6","2","8","1") = "7"
    & skf18("3","5","2","6","2","9","1") = "8"
    & skf18("3","5","2","6","2","10","1") = "9"
    & skf18("3","5","2","6","3","1","1") = "5"
    & skf18("3","5","2","6","3","2","1") = "5"
    & skf18("3","5","2","6","3","3","1") = "5"
    & skf18("3","5","2","6","3","4","1") = "5"
    & skf18("3","5","2","6","3","5","1") = "5"
    & skf18("3","5","2","6","3","6","1") = "5"
    & skf18("3","5","2","6","3","7","1") = "6"
    & skf18("3","5","2","6","3","8","1") = "7"
    & skf18("3","5","2","6","3","9","1") = "8"
    & skf18("3","5","2","6","3","10","1") = "9"
    & skf18("3","5","2","6","4","1","1") = "5"
    & skf18("3","5","2","6","4","2","1") = "5"
    & skf18("3","5","2","6","4","3","1") = "5"
    & skf18("3","5","2","6","4","4","1") = "5"
    & skf18("3","5","2","6","4","5","1") = "5"
    & skf18("3","5","2","6","4","6","1") = "5"
    & skf18("3","5","2","6","4","7","1") = "6"
    & skf18("3","5","2","6","4","8","1") = "7"
    & skf18("3","5","2","6","4","9","1") = "8"
    & skf18("3","5","2","6","4","10","1") = "9"
    & skf18("3","5","2","6","5","1","1") = "5"
    & skf18("3","5","2","6","5","2","1") = "5"
    & skf18("3","5","2","6","5","3","1") = "5"
    & skf18("3","5","2","6","5","4","1") = "5"
    & skf18("3","5","2","6","5","5","1") = "5"
    & skf18("3","5","2","6","5","6","1") = "5"
    & skf18("3","5","2","6","5","7","1") = "6"
    & skf18("3","5","2","6","5","8","1") = "7"
    & skf18("3","5","2","6","5","9","1") = "8"
    & skf18("3","5","2","6","5","10","1") = "9"
    & skf18("3","5","2","6","6","1","1") = "5"
    & skf18("3","5","2","6","6","2","1") = "5"
    & skf18("3","5","2","6","6","3","1") = "5"
    & skf18("3","5","2","6","6","4","1") = "5"
    & skf18("3","5","2","6","6","5","1") = "5"
    & skf18("3","5","2","6","6","6","1") = "5"
    & skf18("3","5","2","6","6","7","1") = "6"
    & skf18("3","5","2","6","6","8","1") = "7"
    & skf18("3","5","2","6","6","9","1") = "8"
    & skf18("3","5","2","6","6","10","1") = "9"
    & skf18("3","5","2","6","7","1","1") = "6"
    & skf18("3","5","2","6","7","2","1") = "6"
    & skf18("3","5","2","6","7","3","1") = "6"
    & skf18("3","5","2","6","7","4","1") = "6"
    & skf18("3","5","2","6","7","5","1") = "6"
    & skf18("3","5","2","6","7","6","1") = "6"
    & skf18("3","5","2","6","7","7","1") = "6"
    & skf18("3","5","2","6","7","8","1") = "7"
    & skf18("3","5","2","6","7","9","1") = "8"
    & skf18("3","5","2","6","7","10","1") = "9"
    & skf18("3","5","2","6","8","1","1") = "7"
    & skf18("3","5","2","6","8","2","1") = "7"
    & skf18("3","5","2","6","8","3","1") = "7"
    & skf18("3","5","2","6","8","4","1") = "7"
    & skf18("3","5","2","6","8","5","1") = "7"
    & skf18("3","5","2","6","8","6","1") = "7"
    & skf18("3","5","2","6","8","7","1") = "7"
    & skf18("3","5","2","6","8","8","1") = "7"
    & skf18("3","5","2","6","8","9","1") = "8"
    & skf18("3","5","2","6","8","10","1") = "9"
    & skf18("3","5","2","6","9","1","1") = "8"
    & skf18("3","5","2","6","9","2","1") = "8"
    & skf18("3","5","2","6","9","3","1") = "8"
    & skf18("3","5","2","6","9","4","1") = "8"
    & skf18("3","5","2","6","9","5","1") = "8"
    & skf18("3","5","2","6","9","6","1") = "8"
    & skf18("3","5","2","6","9","7","1") = "8"
    & skf18("3","5","2","6","9","8","1") = "8"
    & skf18("3","5","2","6","9","9","1") = "8"
    & skf18("3","5","2","6","9","10","1") = "9"
    & skf18("3","5","2","6","10","1","1") = "9"
    & skf18("3","5","2","6","10","2","1") = "9"
    & skf18("3","5","2","6","10","3","1") = "9"
    & skf18("3","5","2","6","10","4","1") = "9"
    & skf18("3","5","2","6","10","5","1") = "9"
    & skf18("3","5","2","6","10","6","1") = "9"
    & skf18("3","5","2","6","10","7","1") = "9"
    & skf18("3","5","2","6","10","8","1") = "9"
    & skf18("3","5","2","6","10","9","1") = "9"
    & skf18("3","5","2","6","10","10","1") = "9"
    & skf18("3","5","2","7","1","1","1") = "6"
    & skf18("3","5","2","7","1","2","1") = "6"
    & skf18("3","5","2","7","1","3","1") = "6"
    & skf18("3","5","2","7","1","4","1") = "6"
    & skf18("3","5","2","7","1","5","1") = "6"
    & skf18("3","5","2","7","1","6","1") = "6"
    & skf18("3","5","2","7","1","7","1") = "6"
    & skf18("3","5","2","7","1","8","1") = "7"
    & skf18("3","5","2","7","1","9","1") = "8"
    & skf18("3","5","2","7","1","10","1") = "9"
    & skf18("3","5","2","7","2","1","1") = "6"
    & skf18("3","5","2","7","2","2","1") = "6"
    & skf18("3","5","2","7","2","3","1") = "6"
    & skf18("3","5","2","7","2","4","1") = "6"
    & skf18("3","5","2","7","2","5","1") = "6"
    & skf18("3","5","2","7","2","6","1") = "6"
    & skf18("3","5","2","7","2","7","1") = "6"
    & skf18("3","5","2","7","2","8","1") = "7"
    & skf18("3","5","2","7","2","9","1") = "8"
    & skf18("3","5","2","7","2","10","1") = "9"
    & skf18("3","5","2","7","3","1","1") = "6"
    & skf18("3","5","2","7","3","2","1") = "6"
    & skf18("3","5","2","7","3","3","1") = "6"
    & skf18("3","5","2","7","3","4","1") = "6"
    & skf18("3","5","2","7","3","5","1") = "6"
    & skf18("3","5","2","7","3","6","1") = "6"
    & skf18("3","5","2","7","3","7","1") = "6"
    & skf18("3","5","2","7","3","8","1") = "7"
    & skf18("3","5","2","7","3","9","1") = "8"
    & skf18("3","5","2","7","3","10","1") = "9"
    & skf18("3","5","2","7","4","1","1") = "6"
    & skf18("3","5","2","7","4","2","1") = "6"
    & skf18("3","5","2","7","4","3","1") = "6"
    & skf18("3","5","2","7","4","4","1") = "6"
    & skf18("3","5","2","7","4","5","1") = "6"
    & skf18("3","5","2","7","4","6","1") = "6"
    & skf18("3","5","2","7","4","7","1") = "6"
    & skf18("3","5","2","7","4","8","1") = "7"
    & skf18("3","5","2","7","4","9","1") = "8"
    & skf18("3","5","2","7","4","10","1") = "9"
    & skf18("3","5","2","7","5","1","1") = "6"
    & skf18("3","5","2","7","5","2","1") = "6"
    & skf18("3","5","2","7","5","3","1") = "6"
    & skf18("3","5","2","7","5","4","1") = "6"
    & skf18("3","5","2","7","5","5","1") = "6"
    & skf18("3","5","2","7","5","6","1") = "6"
    & skf18("3","5","2","7","5","7","1") = "6"
    & skf18("3","5","2","7","5","8","1") = "7"
    & skf18("3","5","2","7","5","9","1") = "8"
    & skf18("3","5","2","7","5","10","1") = "9"
    & skf18("3","5","2","7","6","1","1") = "6"
    & skf18("3","5","2","7","6","2","1") = "6"
    & skf18("3","5","2","7","6","3","1") = "6"
    & skf18("3","5","2","7","6","4","1") = "6"
    & skf18("3","5","2","7","6","5","1") = "6"
    & skf18("3","5","2","7","6","6","1") = "6"
    & skf18("3","5","2","7","6","7","1") = "6"
    & skf18("3","5","2","7","6","8","1") = "7"
    & skf18("3","5","2","7","6","9","1") = "8"
    & skf18("3","5","2","7","6","10","1") = "9"
    & skf18("3","5","2","7","7","1","1") = "6"
    & skf18("3","5","2","7","7","2","1") = "6"
    & skf18("3","5","2","7","7","3","1") = "6"
    & skf18("3","5","2","7","7","4","1") = "6"
    & skf18("3","5","2","7","7","5","1") = "6"
    & skf18("3","5","2","7","7","6","1") = "6"
    & skf18("3","5","2","7","7","7","1") = "6"
    & skf18("3","5","2","7","7","8","1") = "7"
    & skf18("3","5","2","7","7","9","1") = "8"
    & skf18("3","5","2","7","7","10","1") = "9"
    & skf18("3","5","2","7","8","1","1") = "7"
    & skf18("3","5","2","7","8","2","1") = "7"
    & skf18("3","5","2","7","8","3","1") = "7"
    & skf18("3","5","2","7","8","4","1") = "7"
    & skf18("3","5","2","7","8","5","1") = "7"
    & skf18("3","5","2","7","8","6","1") = "7"
    & skf18("3","5","2","7","8","7","1") = "7"
    & skf18("3","5","2","7","8","8","1") = "7"
    & skf18("3","5","2","7","8","9","1") = "8"
    & skf18("3","5","2","7","8","10","1") = "9"
    & skf18("3","5","2","7","9","1","1") = "8"
    & skf18("3","5","2","7","9","2","1") = "8"
    & skf18("3","5","2","7","9","3","1") = "8"
    & skf18("3","5","2","7","9","4","1") = "8"
    & skf18("3","5","2","7","9","5","1") = "8"
    & skf18("3","5","2","7","9","6","1") = "8"
    & skf18("3","5","2","7","9","7","1") = "8"
    & skf18("3","5","2","7","9","8","1") = "8"
    & skf18("3","5","2","7","9","9","1") = "8"
    & skf18("3","5","2","7","9","10","1") = "9"
    & skf18("3","5","2","7","10","1","1") = "9"
    & skf18("3","5","2","7","10","2","1") = "9"
    & skf18("3","5","2","7","10","3","1") = "9"
    & skf18("3","5","2","7","10","4","1") = "9"
    & skf18("3","5","2","7","10","5","1") = "9"
    & skf18("3","5","2","7","10","6","1") = "9"
    & skf18("3","5","2","7","10","7","1") = "9"
    & skf18("3","5","2","7","10","8","1") = "9"
    & skf18("3","5","2","7","10","9","1") = "9"
    & skf18("3","5","2","7","10","10","1") = "9"
    & skf18("3","5","2","8","1","1","1") = "7"
    & skf18("3","5","2","8","1","2","1") = "7"
    & skf18("3","5","2","8","1","3","1") = "7"
    & skf18("3","5","2","8","1","4","1") = "7"
    & skf18("3","5","2","8","1","5","1") = "7"
    & skf18("3","5","2","8","1","6","1") = "7"
    & skf18("3","5","2","8","1","7","1") = "7"
    & skf18("3","5","2","8","1","8","1") = "7"
    & skf18("3","5","2","8","1","9","1") = "8"
    & skf18("3","5","2","8","1","10","1") = "9"
    & skf18("3","5","2","8","2","1","1") = "7"
    & skf18("3","5","2","8","2","2","1") = "7"
    & skf18("3","5","2","8","2","3","1") = "7"
    & skf18("3","5","2","8","2","4","1") = "7"
    & skf18("3","5","2","8","2","5","1") = "7"
    & skf18("3","5","2","8","2","6","1") = "7"
    & skf18("3","5","2","8","2","7","1") = "7"
    & skf18("3","5","2","8","2","8","1") = "7"
    & skf18("3","5","2","8","2","9","1") = "8"
    & skf18("3","5","2","8","2","10","1") = "9"
    & skf18("3","5","2","8","3","1","1") = "7"
    & skf18("3","5","2","8","3","2","1") = "7"
    & skf18("3","5","2","8","3","3","1") = "7"
    & skf18("3","5","2","8","3","4","1") = "7"
    & skf18("3","5","2","8","3","5","1") = "7"
    & skf18("3","5","2","8","3","6","1") = "7"
    & skf18("3","5","2","8","3","7","1") = "7"
    & skf18("3","5","2","8","3","8","1") = "7"
    & skf18("3","5","2","8","3","9","1") = "8"
    & skf18("3","5","2","8","3","10","1") = "9"
    & skf18("3","5","2","8","4","1","1") = "7"
    & skf18("3","5","2","8","4","2","1") = "7"
    & skf18("3","5","2","8","4","3","1") = "7"
    & skf18("3","5","2","8","4","4","1") = "7"
    & skf18("3","5","2","8","4","5","1") = "7"
    & skf18("3","5","2","8","4","6","1") = "7"
    & skf18("3","5","2","8","4","7","1") = "7"
    & skf18("3","5","2","8","4","8","1") = "7"
    & skf18("3","5","2","8","4","9","1") = "8"
    & skf18("3","5","2","8","4","10","1") = "9"
    & skf18("3","5","2","8","5","1","1") = "7"
    & skf18("3","5","2","8","5","2","1") = "7"
    & skf18("3","5","2","8","5","3","1") = "7"
    & skf18("3","5","2","8","5","4","1") = "7"
    & skf18("3","5","2","8","5","5","1") = "7"
    & skf18("3","5","2","8","5","6","1") = "7"
    & skf18("3","5","2","8","5","7","1") = "7"
    & skf18("3","5","2","8","5","8","1") = "7"
    & skf18("3","5","2","8","5","9","1") = "8"
    & skf18("3","5","2","8","5","10","1") = "9"
    & skf18("3","5","2","8","6","1","1") = "7"
    & skf18("3","5","2","8","6","2","1") = "7"
    & skf18("3","5","2","8","6","3","1") = "7"
    & skf18("3","5","2","8","6","4","1") = "7"
    & skf18("3","5","2","8","6","5","1") = "7"
    & skf18("3","5","2","8","6","6","1") = "7"
    & skf18("3","5","2","8","6","7","1") = "7"
    & skf18("3","5","2","8","6","8","1") = "7"
    & skf18("3","5","2","8","6","9","1") = "8"
    & skf18("3","5","2","8","6","10","1") = "9"
    & skf18("3","5","2","8","7","1","1") = "7"
    & skf18("3","5","2","8","7","2","1") = "7"
    & skf18("3","5","2","8","7","3","1") = "7"
    & skf18("3","5","2","8","7","4","1") = "7"
    & skf18("3","5","2","8","7","5","1") = "7"
    & skf18("3","5","2","8","7","6","1") = "7"
    & skf18("3","5","2","8","7","7","1") = "7"
    & skf18("3","5","2","8","7","8","1") = "7"
    & skf18("3","5","2","8","7","9","1") = "8"
    & skf18("3","5","2","8","7","10","1") = "9"
    & skf18("3","5","2","8","8","1","1") = "7"
    & skf18("3","5","2","8","8","2","1") = "7"
    & skf18("3","5","2","8","8","3","1") = "7"
    & skf18("3","5","2","8","8","4","1") = "7"
    & skf18("3","5","2","8","8","5","1") = "7"
    & skf18("3","5","2","8","8","6","1") = "7"
    & skf18("3","5","2","8","8","7","1") = "7"
    & skf18("3","5","2","8","8","8","1") = "7"
    & skf18("3","5","2","8","8","9","1") = "8"
    & skf18("3","5","2","8","8","10","1") = "9"
    & skf18("3","5","2","8","9","1","1") = "8"
    & skf18("3","5","2","8","9","2","1") = "8"
    & skf18("3","5","2","8","9","3","1") = "8"
    & skf18("3","5","2","8","9","4","1") = "8"
    & skf18("3","5","2","8","9","5","1") = "8"
    & skf18("3","5","2","8","9","6","1") = "8"
    & skf18("3","5","2","8","9","7","1") = "8"
    & skf18("3","5","2","8","9","8","1") = "8"
    & skf18("3","5","2","8","9","9","1") = "8"
    & skf18("3","5","2","8","9","10","1") = "9"
    & skf18("3","5","2","8","10","1","1") = "9"
    & skf18("3","5","2","8","10","2","1") = "9"
    & skf18("3","5","2","8","10","3","1") = "9"
    & skf18("3","5","2","8","10","4","1") = "9"
    & skf18("3","5","2","8","10","5","1") = "9"
    & skf18("3","5","2","8","10","6","1") = "9"
    & skf18("3","5","2","8","10","7","1") = "9"
    & skf18("3","5","2","8","10","8","1") = "9"
    & skf18("3","5","2","8","10","9","1") = "9"
    & skf18("3","5","2","8","10","10","1") = "9"
    & skf18("3","5","2","9","1","1","1") = "8"
    & skf18("3","5","2","9","1","2","1") = "8"
    & skf18("3","5","2","9","1","3","1") = "8"
    & skf18("3","5","2","9","1","4","1") = "8"
    & skf18("3","5","2","9","1","5","1") = "8"
    & skf18("3","5","2","9","1","6","1") = "8"
    & skf18("3","5","2","9","1","7","1") = "8"
    & skf18("3","5","2","9","1","8","1") = "8"
    & skf18("3","5","2","9","1","9","1") = "8"
    & skf18("3","5","2","9","1","10","1") = "9"
    & skf18("3","5","2","9","2","1","1") = "8"
    & skf18("3","5","2","9","2","2","1") = "8"
    & skf18("3","5","2","9","2","3","1") = "8"
    & skf18("3","5","2","9","2","4","1") = "8"
    & skf18("3","5","2","9","2","5","1") = "8"
    & skf18("3","5","2","9","2","6","1") = "8"
    & skf18("3","5","2","9","2","7","1") = "8"
    & skf18("3","5","2","9","2","8","1") = "8"
    & skf18("3","5","2","9","2","9","1") = "8"
    & skf18("3","5","2","9","2","10","1") = "9"
    & skf18("3","5","2","9","3","1","1") = "8"
    & skf18("3","5","2","9","3","2","1") = "8"
    & skf18("3","5","2","9","3","3","1") = "8"
    & skf18("3","5","2","9","3","4","1") = "8"
    & skf18("3","5","2","9","3","5","1") = "8"
    & skf18("3","5","2","9","3","6","1") = "8"
    & skf18("3","5","2","9","3","7","1") = "8"
    & skf18("3","5","2","9","3","8","1") = "8"
    & skf18("3","5","2","9","3","9","1") = "8"
    & skf18("3","5","2","9","3","10","1") = "9"
    & skf18("3","5","2","9","4","1","1") = "8"
    & skf18("3","5","2","9","4","2","1") = "8"
    & skf18("3","5","2","9","4","3","1") = "8"
    & skf18("3","5","2","9","4","4","1") = "8"
    & skf18("3","5","2","9","4","5","1") = "8"
    & skf18("3","5","2","9","4","6","1") = "8"
    & skf18("3","5","2","9","4","7","1") = "8"
    & skf18("3","5","2","9","4","8","1") = "8"
    & skf18("3","5","2","9","4","9","1") = "8"
    & skf18("3","5","2","9","4","10","1") = "9"
    & skf18("3","5","2","9","5","1","1") = "8"
    & skf18("3","5","2","9","5","2","1") = "8"
    & skf18("3","5","2","9","5","3","1") = "8"
    & skf18("3","5","2","9","5","4","1") = "8"
    & skf18("3","5","2","9","5","5","1") = "8"
    & skf18("3","5","2","9","5","6","1") = "8"
    & skf18("3","5","2","9","5","7","1") = "8"
    & skf18("3","5","2","9","5","8","1") = "8"
    & skf18("3","5","2","9","5","9","1") = "8"
    & skf18("3","5","2","9","5","10","1") = "9"
    & skf18("3","5","2","9","6","1","1") = "8"
    & skf18("3","5","2","9","6","2","1") = "8"
    & skf18("3","5","2","9","6","3","1") = "8"
    & skf18("3","5","2","9","6","4","1") = "8"
    & skf18("3","5","2","9","6","5","1") = "8"
    & skf18("3","5","2","9","6","6","1") = "8"
    & skf18("3","5","2","9","6","7","1") = "8"
    & skf18("3","5","2","9","6","8","1") = "8"
    & skf18("3","5","2","9","6","9","1") = "8"
    & skf18("3","5","2","9","6","10","1") = "9"
    & skf18("3","5","2","9","7","1","1") = "8"
    & skf18("3","5","2","9","7","2","1") = "8"
    & skf18("3","5","2","9","7","3","1") = "8"
    & skf18("3","5","2","9","7","4","1") = "8"
    & skf18("3","5","2","9","7","5","1") = "8"
    & skf18("3","5","2","9","7","6","1") = "8"
    & skf18("3","5","2","9","7","7","1") = "8"
    & skf18("3","5","2","9","7","8","1") = "8"
    & skf18("3","5","2","9","7","9","1") = "8"
    & skf18("3","5","2","9","7","10","1") = "9"
    & skf18("3","5","2","9","8","1","1") = "8"
    & skf18("3","5","2","9","8","2","1") = "8"
    & skf18("3","5","2","9","8","3","1") = "8"
    & skf18("3","5","2","9","8","4","1") = "8"
    & skf18("3","5","2","9","8","5","1") = "8"
    & skf18("3","5","2","9","8","6","1") = "8"
    & skf18("3","5","2","9","8","7","1") = "8"
    & skf18("3","5","2","9","8","8","1") = "8"
    & skf18("3","5","2","9","8","9","1") = "8"
    & skf18("3","5","2","9","8","10","1") = "9"
    & skf18("3","5","2","9","9","1","1") = "8"
    & skf18("3","5","2","9","9","2","1") = "8"
    & skf18("3","5","2","9","9","3","1") = "8"
    & skf18("3","5","2","9","9","4","1") = "8"
    & skf18("3","5","2","9","9","5","1") = "8"
    & skf18("3","5","2","9","9","6","1") = "8"
    & skf18("3","5","2","9","9","7","1") = "8"
    & skf18("3","5","2","9","9","8","1") = "8"
    & skf18("3","5","2","9","9","9","1") = "8"
    & skf18("3","5","2","9","9","10","1") = "9"
    & skf18("3","5","2","9","10","1","1") = "9"
    & skf18("3","5","2","9","10","2","1") = "9"
    & skf18("3","5","2","9","10","3","1") = "9"
    & skf18("3","5","2","9","10","4","1") = "9"
    & skf18("3","5","2","9","10","5","1") = "9"
    & skf18("3","5","2","9","10","6","1") = "9"
    & skf18("3","5","2","9","10","7","1") = "9"
    & skf18("3","5","2","9","10","8","1") = "9"
    & skf18("3","5","2","9","10","9","1") = "9"
    & skf18("3","5","2","9","10","10","1") = "9"
    & skf18("3","5","2","10","1","1","1") = "9"
    & skf18("3","5","2","10","1","2","1") = "9"
    & skf18("3","5","2","10","1","3","1") = "9"
    & skf18("3","5","2","10","1","4","1") = "9"
    & skf18("3","5","2","10","1","5","1") = "9"
    & skf18("3","5","2","10","1","6","1") = "9"
    & skf18("3","5","2","10","1","7","1") = "9"
    & skf18("3","5","2","10","1","8","1") = "9"
    & skf18("3","5","2","10","1","9","1") = "9"
    & skf18("3","5","2","10","1","10","1") = "9"
    & skf18("3","5","2","10","2","1","1") = "9"
    & skf18("3","5","2","10","2","2","1") = "9"
    & skf18("3","5","2","10","2","3","1") = "9"
    & skf18("3","5","2","10","2","4","1") = "9"
    & skf18("3","5","2","10","2","5","1") = "9"
    & skf18("3","5","2","10","2","6","1") = "9"
    & skf18("3","5","2","10","2","7","1") = "9"
    & skf18("3","5","2","10","2","8","1") = "9"
    & skf18("3","5","2","10","2","9","1") = "9"
    & skf18("3","5","2","10","2","10","1") = "9"
    & skf18("3","5","2","10","3","1","1") = "9"
    & skf18("3","5","2","10","3","2","1") = "9"
    & skf18("3","5","2","10","3","3","1") = "9"
    & skf18("3","5","2","10","3","4","1") = "9"
    & skf18("3","5","2","10","3","5","1") = "9"
    & skf18("3","5","2","10","3","6","1") = "9"
    & skf18("3","5","2","10","3","7","1") = "9"
    & skf18("3","5","2","10","3","8","1") = "9"
    & skf18("3","5","2","10","3","9","1") = "9"
    & skf18("3","5","2","10","3","10","1") = "9"
    & skf18("3","5","2","10","4","1","1") = "9"
    & skf18("3","5","2","10","4","2","1") = "9"
    & skf18("3","5","2","10","4","3","1") = "9"
    & skf18("3","5","2","10","4","4","1") = "9"
    & skf18("3","5","2","10","4","5","1") = "9"
    & skf18("3","5","2","10","4","6","1") = "9"
    & skf18("3","5","2","10","4","7","1") = "9"
    & skf18("3","5","2","10","4","8","1") = "9"
    & skf18("3","5","2","10","4","9","1") = "9"
    & skf18("3","5","2","10","4","10","1") = "9"
    & skf18("3","5","2","10","5","1","1") = "9"
    & skf18("3","5","2","10","5","2","1") = "9"
    & skf18("3","5","2","10","5","3","1") = "9"
    & skf18("3","5","2","10","5","4","1") = "9"
    & skf18("3","5","2","10","5","5","1") = "9"
    & skf18("3","5","2","10","5","6","1") = "9"
    & skf18("3","5","2","10","5","7","1") = "9"
    & skf18("3","5","2","10","5","8","1") = "9"
    & skf18("3","5","2","10","5","9","1") = "9"
    & skf18("3","5","2","10","5","10","1") = "9"
    & skf18("3","5","2","10","6","1","1") = "9"
    & skf18("3","5","2","10","6","2","1") = "9"
    & skf18("3","5","2","10","6","3","1") = "9"
    & skf18("3","5","2","10","6","4","1") = "9"
    & skf18("3","5","2","10","6","5","1") = "9"
    & skf18("3","5","2","10","6","6","1") = "9"
    & skf18("3","5","2","10","6","7","1") = "9"
    & skf18("3","5","2","10","6","8","1") = "9"
    & skf18("3","5","2","10","6","9","1") = "9"
    & skf18("3","5","2","10","6","10","1") = "9"
    & skf18("3","5","2","10","7","1","1") = "9"
    & skf18("3","5","2","10","7","2","1") = "9"
    & skf18("3","5","2","10","7","3","1") = "9"
    & skf18("3","5","2","10","7","4","1") = "9"
    & skf18("3","5","2","10","7","5","1") = "9"
    & skf18("3","5","2","10","7","6","1") = "9"
    & skf18("3","5","2","10","7","7","1") = "9"
    & skf18("3","5","2","10","7","8","1") = "9"
    & skf18("3","5","2","10","7","9","1") = "9"
    & skf18("3","5","2","10","7","10","1") = "9"
    & skf18("3","5","2","10","8","1","1") = "9"
    & skf18("3","5","2","10","8","2","1") = "9"
    & skf18("3","5","2","10","8","3","1") = "9"
    & skf18("3","5","2","10","8","4","1") = "9"
    & skf18("3","5","2","10","8","5","1") = "9"
    & skf18("3","5","2","10","8","6","1") = "9"
    & skf18("3","5","2","10","8","7","1") = "9"
    & skf18("3","5","2","10","8","8","1") = "9"
    & skf18("3","5","2","10","8","9","1") = "9"
    & skf18("3","5","2","10","8","10","1") = "9"
    & skf18("3","5","2","10","9","1","1") = "9"
    & skf18("3","5","2","10","9","2","1") = "9"
    & skf18("3","5","2","10","9","3","1") = "9"
    & skf18("3","5","2","10","9","4","1") = "9"
    & skf18("3","5","2","10","9","5","1") = "9"
    & skf18("3","5","2","10","9","6","1") = "9"
    & skf18("3","5","2","10","9","7","1") = "9"
    & skf18("3","5","2","10","9","8","1") = "9"
    & skf18("3","5","2","10","9","9","1") = "9"
    & skf18("3","5","2","10","9","10","1") = "9"
    & skf18("3","5","2","10","10","1","1") = "9"
    & skf18("3","5","2","10","10","2","1") = "9"
    & skf18("3","5","2","10","10","3","1") = "9"
    & skf18("3","5","2","10","10","4","1") = "9"
    & skf18("3","5","2","10","10","5","1") = "9"
    & skf18("3","5","2","10","10","6","1") = "9"
    & skf18("3","5","2","10","10","7","1") = "9"
    & skf18("3","5","2","10","10","8","1") = "9"
    & skf18("3","5","2","10","10","9","1") = "9"
    & skf18("3","5","2","10","10","10","1") = "9"
    & skf18("3","5","3","1","1","1","1") = "4"
    & skf18("3","5","3","1","1","2","1") = "4"
    & skf18("3","5","3","1","1","3","1") = "4"
    & skf18("3","5","3","1","1","4","1") = "4"
    & skf18("3","5","3","1","1","5","1") = "4"
    & skf18("3","5","3","1","1","6","1") = "5"
    & skf18("3","5","3","1","1","7","1") = "6"
    & skf18("3","5","3","1","1","8","1") = "7"
    & skf18("3","5","3","1","1","9","1") = "8"
    & skf18("3","5","3","1","1","10","1") = "9"
    & skf18("3","5","3","1","2","1","1") = "4"
    & skf18("3","5","3","1","2","2","1") = "4"
    & skf18("3","5","3","1","2","3","1") = "4"
    & skf18("3","5","3","1","2","4","1") = "4"
    & skf18("3","5","3","1","2","5","1") = "4"
    & skf18("3","5","3","1","2","6","1") = "5"
    & skf18("3","5","3","1","2","7","1") = "6"
    & skf18("3","5","3","1","2","8","1") = "7"
    & skf18("3","5","3","1","2","9","1") = "8"
    & skf18("3","5","3","1","2","10","1") = "9"
    & skf18("3","5","3","1","3","1","1") = "4"
    & skf18("3","5","3","1","3","2","1") = "4"
    & skf18("3","5","3","1","3","3","1") = "4"
    & skf18("3","5","3","1","3","4","1") = "4"
    & skf18("3","5","3","1","3","5","1") = "4"
    & skf18("3","5","3","1","3","6","1") = "5"
    & skf18("3","5","3","1","3","7","1") = "6"
    & skf18("3","5","3","1","3","8","1") = "7"
    & skf18("3","5","3","1","3","9","1") = "8"
    & skf18("3","5","3","1","3","10","1") = "9"
    & skf18("3","5","3","1","4","1","1") = "4"
    & skf18("3","5","3","1","4","2","1") = "4"
    & skf18("3","5","3","1","4","3","1") = "4"
    & skf18("3","5","3","1","4","4","1") = "4"
    & skf18("3","5","3","1","4","5","1") = "4"
    & skf18("3","5","3","1","4","6","1") = "5"
    & skf18("3","5","3","1","4","7","1") = "6"
    & skf18("3","5","3","1","4","8","1") = "7"
    & skf18("3","5","3","1","4","9","1") = "8"
    & skf18("3","5","3","1","4","10","1") = "9"
    & skf18("3","5","3","1","5","1","1") = "4"
    & skf18("3","5","3","1","5","2","1") = "4"
    & skf18("3","5","3","1","5","3","1") = "4"
    & skf18("3","5","3","1","5","4","1") = "4"
    & skf18("3","5","3","1","5","5","1") = "4"
    & skf18("3","5","3","1","5","6","1") = "5"
    & skf18("3","5","3","1","5","7","1") = "6"
    & skf18("3","5","3","1","5","8","1") = "7"
    & skf18("3","5","3","1","5","9","1") = "8"
    & skf18("3","5","3","1","5","10","1") = "9"
    & skf18("3","5","3","1","6","1","1") = "5"
    & skf18("3","5","3","1","6","2","1") = "5"
    & skf18("3","5","3","1","6","3","1") = "5"
    & skf18("3","5","3","1","6","4","1") = "5"
    & skf18("3","5","3","1","6","5","1") = "5"
    & skf18("3","5","3","1","6","6","1") = "5"
    & skf18("3","5","3","1","6","7","1") = "6"
    & skf18("3","5","3","1","6","8","1") = "7"
    & skf18("3","5","3","1","6","9","1") = "8"
    & skf18("3","5","3","1","6","10","1") = "9"
    & skf18("3","5","3","1","7","1","1") = "6"
    & skf18("3","5","3","1","7","2","1") = "6"
    & skf18("3","5","3","1","7","3","1") = "6"
    & skf18("3","5","3","1","7","4","1") = "6"
    & skf18("3","5","3","1","7","5","1") = "6"
    & skf18("3","5","3","1","7","6","1") = "6"
    & skf18("3","5","3","1","7","7","1") = "6"
    & skf18("3","5","3","1","7","8","1") = "7"
    & skf18("3","5","3","1","7","9","1") = "8"
    & skf18("3","5","3","1","7","10","1") = "9"
    & skf18("3","5","3","1","8","1","1") = "7"
    & skf18("3","5","3","1","8","2","1") = "7"
    & skf18("3","5","3","1","8","3","1") = "7"
    & skf18("3","5","3","1","8","4","1") = "7"
    & skf18("3","5","3","1","8","5","1") = "7"
    & skf18("3","5","3","1","8","6","1") = "7"
    & skf18("3","5","3","1","8","7","1") = "7"
    & skf18("3","5","3","1","8","8","1") = "7"
    & skf18("3","5","3","1","8","9","1") = "8"
    & skf18("3","5","3","1","8","10","1") = "9"
    & skf18("3","5","3","1","9","1","1") = "8"
    & skf18("3","5","3","1","9","2","1") = "8"
    & skf18("3","5","3","1","9","3","1") = "8"
    & skf18("3","5","3","1","9","4","1") = "8"
    & skf18("3","5","3","1","9","5","1") = "8"
    & skf18("3","5","3","1","9","6","1") = "8"
    & skf18("3","5","3","1","9","7","1") = "8"
    & skf18("3","5","3","1","9","8","1") = "8"
    & skf18("3","5","3","1","9","9","1") = "8"
    & skf18("3","5","3","1","9","10","1") = "9"
    & skf18("3","5","3","1","10","1","1") = "9"
    & skf18("3","5","3","1","10","2","1") = "9"
    & skf18("3","5","3","1","10","3","1") = "9"
    & skf18("3","5","3","1","10","4","1") = "9"
    & skf18("3","5","3","1","10","5","1") = "9"
    & skf18("3","5","3","1","10","6","1") = "9"
    & skf18("3","5","3","1","10","7","1") = "9"
    & skf18("3","5","3","1","10","8","1") = "9"
    & skf18("3","5","3","1","10","9","1") = "9"
    & skf18("3","5","3","1","10","10","1") = "9"
    & skf18("3","5","3","2","1","1","1") = "4"
    & skf18("3","5","3","2","1","2","1") = "4"
    & skf18("3","5","3","2","1","3","1") = "4"
    & skf18("3","5","3","2","1","4","1") = "4"
    & skf18("3","5","3","2","1","5","1") = "4"
    & skf18("3","5","3","2","1","6","1") = "5"
    & skf18("3","5","3","2","1","7","1") = "6"
    & skf18("3","5","3","2","1","8","1") = "7"
    & skf18("3","5","3","2","1","9","1") = "8"
    & skf18("3","5","3","2","1","10","1") = "9"
    & skf18("3","5","3","2","2","1","1") = "4"
    & skf18("3","5","3","2","2","2","1") = "4"
    & skf18("3","5","3","2","2","3","1") = "4"
    & skf18("3","5","3","2","2","4","1") = "4"
    & skf18("3","5","3","2","2","5","1") = "4"
    & skf18("3","5","3","2","2","6","1") = "5"
    & skf18("3","5","3","2","2","7","1") = "6"
    & skf18("3","5","3","2","2","8","1") = "7"
    & skf18("3","5","3","2","2","9","1") = "8"
    & skf18("3","5","3","2","2","10","1") = "9"
    & skf18("3","5","3","2","3","1","1") = "4"
    & skf18("3","5","3","2","3","2","1") = "4"
    & skf18("3","5","3","2","3","3","1") = "4"
    & skf18("3","5","3","2","3","4","1") = "4"
    & skf18("3","5","3","2","3","5","1") = "4"
    & skf18("3","5","3","2","3","6","1") = "5"
    & skf18("3","5","3","2","3","7","1") = "6"
    & skf18("3","5","3","2","3","8","1") = "7"
    & skf18("3","5","3","2","3","9","1") = "8"
    & skf18("3","5","3","2","3","10","1") = "9"
    & skf18("3","5","3","2","4","1","1") = "4"
    & skf18("3","5","3","2","4","2","1") = "4"
    & skf18("3","5","3","2","4","3","1") = "4"
    & skf18("3","5","3","2","4","4","1") = "4"
    & skf18("3","5","3","2","4","5","1") = "4"
    & skf18("3","5","3","2","4","6","1") = "5"
    & skf18("3","5","3","2","4","7","1") = "6"
    & skf18("3","5","3","2","4","8","1") = "7"
    & skf18("3","5","3","2","4","9","1") = "8"
    & skf18("3","5","3","2","4","10","1") = "9"
    & skf18("3","5","3","2","5","1","1") = "4"
    & skf18("3","5","3","2","5","2","1") = "4"
    & skf18("3","5","3","2","5","3","1") = "4"
    & skf18("3","5","3","2","5","4","1") = "4"
    & skf18("3","5","3","2","5","5","1") = "4"
    & skf18("3","5","3","2","5","6","1") = "5"
    & skf18("3","5","3","2","5","7","1") = "6"
    & skf18("3","5","3","2","5","8","1") = "7"
    & skf18("3","5","3","2","5","9","1") = "8"
    & skf18("3","5","3","2","5","10","1") = "9"
    & skf18("3","5","3","2","6","1","1") = "5"
    & skf18("3","5","3","2","6","2","1") = "5"
    & skf18("3","5","3","2","6","3","1") = "5"
    & skf18("3","5","3","2","6","4","1") = "5"
    & skf18("3","5","3","2","6","5","1") = "5"
    & skf18("3","5","3","2","6","6","1") = "5"
    & skf18("3","5","3","2","6","7","1") = "6"
    & skf18("3","5","3","2","6","8","1") = "7"
    & skf18("3","5","3","2","6","9","1") = "8"
    & skf18("3","5","3","2","6","10","1") = "9"
    & skf18("3","5","3","2","7","1","1") = "6"
    & skf18("3","5","3","2","7","2","1") = "6"
    & skf18("3","5","3","2","7","3","1") = "6"
    & skf18("3","5","3","2","7","4","1") = "6"
    & skf18("3","5","3","2","7","5","1") = "6"
    & skf18("3","5","3","2","7","6","1") = "6"
    & skf18("3","5","3","2","7","7","1") = "6"
    & skf18("3","5","3","2","7","8","1") = "7"
    & skf18("3","5","3","2","7","9","1") = "8"
    & skf18("3","5","3","2","7","10","1") = "9"
    & skf18("3","5","3","2","8","1","1") = "7"
    & skf18("3","5","3","2","8","2","1") = "7"
    & skf18("3","5","3","2","8","3","1") = "7"
    & skf18("3","5","3","2","8","4","1") = "7"
    & skf18("3","5","3","2","8","5","1") = "7"
    & skf18("3","5","3","2","8","6","1") = "7"
    & skf18("3","5","3","2","8","7","1") = "7"
    & skf18("3","5","3","2","8","8","1") = "7"
    & skf18("3","5","3","2","8","9","1") = "8"
    & skf18("3","5","3","2","8","10","1") = "9"
    & skf18("3","5","3","2","9","1","1") = "8"
    & skf18("3","5","3","2","9","2","1") = "8"
    & skf18("3","5","3","2","9","3","1") = "8"
    & skf18("3","5","3","2","9","4","1") = "8"
    & skf18("3","5","3","2","9","5","1") = "8"
    & skf18("3","5","3","2","9","6","1") = "8"
    & skf18("3","5","3","2","9","7","1") = "8"
    & skf18("3","5","3","2","9","8","1") = "8"
    & skf18("3","5","3","2","9","9","1") = "8"
    & skf18("3","5","3","2","9","10","1") = "9"
    & skf18("3","5","3","2","10","1","1") = "9"
    & skf18("3","5","3","2","10","2","1") = "9"
    & skf18("3","5","3","2","10","3","1") = "9"
    & skf18("3","5","3","2","10","4","1") = "9"
    & skf18("3","5","3","2","10","5","1") = "9"
    & skf18("3","5","3","2","10","6","1") = "9"
    & skf18("3","5","3","2","10","7","1") = "9"
    & skf18("3","5","3","2","10","8","1") = "9"
    & skf18("3","5","3","2","10","9","1") = "9"
    & skf18("3","5","3","2","10","10","1") = "9"
    & skf18("3","5","3","3","1","1","1") = "4"
    & skf18("3","5","3","3","1","2","1") = "4"
    & skf18("3","5","3","3","1","3","1") = "4"
    & skf18("3","5","3","3","1","4","1") = "4"
    & skf18("3","5","3","3","1","5","1") = "4"
    & skf18("3","5","3","3","1","6","1") = "5"
    & skf18("3","5","3","3","1","7","1") = "6"
    & skf18("3","5","3","3","1","8","1") = "7"
    & skf18("3","5","3","3","1","9","1") = "8"
    & skf18("3","5","3","3","1","10","1") = "9"
    & skf18("3","5","3","3","2","1","1") = "4"
    & skf18("3","5","3","3","2","2","1") = "4"
    & skf18("3","5","3","3","2","3","1") = "4"
    & skf18("3","5","3","3","2","4","1") = "4"
    & skf18("3","5","3","3","2","5","1") = "4"
    & skf18("3","5","3","3","2","6","1") = "5"
    & skf18("3","5","3","3","2","7","1") = "6"
    & skf18("3","5","3","3","2","8","1") = "7"
    & skf18("3","5","3","3","2","9","1") = "8"
    & skf18("3","5","3","3","2","10","1") = "9"
    & skf18("3","5","3","3","3","1","1") = "4"
    & skf18("3","5","3","3","3","2","1") = "4"
    & skf18("3","5","3","3","3","3","1") = "4"
    & skf18("3","5","3","3","3","4","1") = "4"
    & skf18("3","5","3","3","3","5","1") = "4"
    & skf18("3","5","3","3","3","6","1") = "5"
    & skf18("3","5","3","3","3","7","1") = "6"
    & skf18("3","5","3","3","3","8","1") = "7"
    & skf18("3","5","3","3","3","9","1") = "8"
    & skf18("3","5","3","3","3","10","1") = "9"
    & skf18("3","5","3","3","4","1","1") = "4"
    & skf18("3","5","3","3","4","2","1") = "4"
    & skf18("3","5","3","3","4","3","1") = "4"
    & skf18("3","5","3","3","4","4","1") = "4"
    & skf18("3","5","3","3","4","5","1") = "4"
    & skf18("3","5","3","3","4","6","1") = "5"
    & skf18("3","5","3","3","4","7","1") = "6"
    & skf18("3","5","3","3","4","8","1") = "7"
    & skf18("3","5","3","3","4","9","1") = "8"
    & skf18("3","5","3","3","4","10","1") = "9"
    & skf18("3","5","3","3","5","1","1") = "4"
    & skf18("3","5","3","3","5","2","1") = "4"
    & skf18("3","5","3","3","5","3","1") = "4"
    & skf18("3","5","3","3","5","4","1") = "4"
    & skf18("3","5","3","3","5","5","1") = "4"
    & skf18("3","5","3","3","5","6","1") = "5"
    & skf18("3","5","3","3","5","7","1") = "6"
    & skf18("3","5","3","3","5","8","1") = "7"
    & skf18("3","5","3","3","5","9","1") = "8"
    & skf18("3","5","3","3","5","10","1") = "9"
    & skf18("3","5","3","3","6","1","1") = "5"
    & skf18("3","5","3","3","6","2","1") = "5"
    & skf18("3","5","3","3","6","3","1") = "5"
    & skf18("3","5","3","3","6","4","1") = "5"
    & skf18("3","5","3","3","6","5","1") = "5"
    & skf18("3","5","3","3","6","6","1") = "5"
    & skf18("3","5","3","3","6","7","1") = "6"
    & skf18("3","5","3","3","6","8","1") = "7"
    & skf18("3","5","3","3","6","9","1") = "8"
    & skf18("3","5","3","3","6","10","1") = "9"
    & skf18("3","5","3","3","7","1","1") = "6"
    & skf18("3","5","3","3","7","2","1") = "6"
    & skf18("3","5","3","3","7","3","1") = "6"
    & skf18("3","5","3","3","7","4","1") = "6"
    & skf18("3","5","3","3","7","5","1") = "6"
    & skf18("3","5","3","3","7","6","1") = "6"
    & skf18("3","5","3","3","7","7","1") = "6"
    & skf18("3","5","3","3","7","8","1") = "7"
    & skf18("3","5","3","3","7","9","1") = "8"
    & skf18("3","5","3","3","7","10","1") = "9"
    & skf18("3","5","3","3","8","1","1") = "7"
    & skf18("3","5","3","3","8","2","1") = "7"
    & skf18("3","5","3","3","8","3","1") = "7"
    & skf18("3","5","3","3","8","4","1") = "7"
    & skf18("3","5","3","3","8","5","1") = "7"
    & skf18("3","5","3","3","8","6","1") = "7"
    & skf18("3","5","3","3","8","7","1") = "7"
    & skf18("3","5","3","3","8","8","1") = "7"
    & skf18("3","5","3","3","8","9","1") = "8"
    & skf18("3","5","3","3","8","10","1") = "9"
    & skf18("3","5","3","3","9","1","1") = "8"
    & skf18("3","5","3","3","9","2","1") = "8"
    & skf18("3","5","3","3","9","3","1") = "8"
    & skf18("3","5","3","3","9","4","1") = "8"
    & skf18("3","5","3","3","9","5","1") = "8"
    & skf18("3","5","3","3","9","6","1") = "8"
    & skf18("3","5","3","3","9","7","1") = "8"
    & skf18("3","5","3","3","9","8","1") = "8"
    & skf18("3","5","3","3","9","9","1") = "8"
    & skf18("3","5","3","3","9","10","1") = "9"
    & skf18("3","5","3","3","10","1","1") = "9"
    & skf18("3","5","3","3","10","2","1") = "9"
    & skf18("3","5","3","3","10","3","1") = "9"
    & skf18("3","5","3","3","10","4","1") = "9"
    & skf18("3","5","3","3","10","5","1") = "9"
    & skf18("3","5","3","3","10","6","1") = "9"
    & skf18("3","5","3","3","10","7","1") = "9"
    & skf18("3","5","3","3","10","8","1") = "9"
    & skf18("3","5","3","3","10","9","1") = "9"
    & skf18("3","5","3","3","10","10","1") = "9"
    & skf18("3","5","3","4","1","1","1") = "4"
    & skf18("3","5","3","4","1","2","1") = "4"
    & skf18("3","5","3","4","1","3","1") = "4"
    & skf18("3","5","3","4","1","4","1") = "4"
    & skf18("3","5","3","4","1","5","1") = "4"
    & skf18("3","5","3","4","1","6","1") = "5"
    & skf18("3","5","3","4","1","7","1") = "6"
    & skf18("3","5","3","4","1","8","1") = "7"
    & skf18("3","5","3","4","1","9","1") = "8"
    & skf18("3","5","3","4","1","10","1") = "9"
    & skf18("3","5","3","4","2","1","1") = "4"
    & skf18("3","5","3","4","2","2","1") = "4"
    & skf18("3","5","3","4","2","3","1") = "4"
    & skf18("3","5","3","4","2","4","1") = "4"
    & skf18("3","5","3","4","2","5","1") = "4"
    & skf18("3","5","3","4","2","6","1") = "5"
    & skf18("3","5","3","4","2","7","1") = "6"
    & skf18("3","5","3","4","2","8","1") = "7"
    & skf18("3","5","3","4","2","9","1") = "8"
    & skf18("3","5","3","4","2","10","1") = "9"
    & skf18("3","5","3","4","3","1","1") = "4"
    & skf18("3","5","3","4","3","2","1") = "4"
    & skf18("3","5","3","4","3","3","1") = "4"
    & skf18("3","5","3","4","3","4","1") = "4"
    & skf18("3","5","3","4","3","5","1") = "4"
    & skf18("3","5","3","4","3","6","1") = "5"
    & skf18("3","5","3","4","3","7","1") = "6"
    & skf18("3","5","3","4","3","8","1") = "7"
    & skf18("3","5","3","4","3","9","1") = "8"
    & skf18("3","5","3","4","3","10","1") = "9"
    & skf18("3","5","3","4","4","1","1") = "4"
    & skf18("3","5","3","4","4","2","1") = "4"
    & skf18("3","5","3","4","4","3","1") = "4"
    & skf18("3","5","3","4","4","4","1") = "4"
    & skf18("3","5","3","4","4","5","1") = "4"
    & skf18("3","5","3","4","4","6","1") = "5"
    & skf18("3","5","3","4","4","7","1") = "6"
    & skf18("3","5","3","4","4","8","1") = "7"
    & skf18("3","5","3","4","4","9","1") = "8"
    & skf18("3","5","3","4","4","10","1") = "9"
    & skf18("3","5","3","4","5","1","1") = "4"
    & skf18("3","5","3","4","5","2","1") = "4"
    & skf18("3","5","3","4","5","3","1") = "4"
    & skf18("3","5","3","4","5","4","1") = "4"
    & skf18("3","5","3","4","5","5","1") = "4"
    & skf18("3","5","3","4","5","6","1") = "5"
    & skf18("3","5","3","4","5","7","1") = "6"
    & skf18("3","5","3","4","5","8","1") = "7"
    & skf18("3","5","3","4","5","9","1") = "8"
    & skf18("3","5","3","4","5","10","1") = "9"
    & skf18("3","5","3","4","6","1","1") = "5"
    & skf18("3","5","3","4","6","2","1") = "5"
    & skf18("3","5","3","4","6","3","1") = "5"
    & skf18("3","5","3","4","6","4","1") = "5"
    & skf18("3","5","3","4","6","5","1") = "5"
    & skf18("3","5","3","4","6","6","1") = "5"
    & skf18("3","5","3","4","6","7","1") = "6"
    & skf18("3","5","3","4","6","8","1") = "7"
    & skf18("3","5","3","4","6","9","1") = "8"
    & skf18("3","5","3","4","6","10","1") = "9"
    & skf18("3","5","3","4","7","1","1") = "6"
    & skf18("3","5","3","4","7","2","1") = "6"
    & skf18("3","5","3","4","7","3","1") = "6"
    & skf18("3","5","3","4","7","4","1") = "6"
    & skf18("3","5","3","4","7","5","1") = "6"
    & skf18("3","5","3","4","7","6","1") = "6"
    & skf18("3","5","3","4","7","7","1") = "6"
    & skf18("3","5","3","4","7","8","1") = "7"
    & skf18("3","5","3","4","7","9","1") = "8"
    & skf18("3","5","3","4","7","10","1") = "9"
    & skf18("3","5","3","4","8","1","1") = "7"
    & skf18("3","5","3","4","8","2","1") = "7"
    & skf18("3","5","3","4","8","3","1") = "7"
    & skf18("3","5","3","4","8","4","1") = "7"
    & skf18("3","5","3","4","8","5","1") = "7"
    & skf18("3","5","3","4","8","6","1") = "7"
    & skf18("3","5","3","4","8","7","1") = "7"
    & skf18("3","5","3","4","8","8","1") = "7"
    & skf18("3","5","3","4","8","9","1") = "8"
    & skf18("3","5","3","4","8","10","1") = "9"
    & skf18("3","5","3","4","9","1","1") = "8"
    & skf18("3","5","3","4","9","2","1") = "8"
    & skf18("3","5","3","4","9","3","1") = "8"
    & skf18("3","5","3","4","9","4","1") = "8"
    & skf18("3","5","3","4","9","5","1") = "8"
    & skf18("3","5","3","4","9","6","1") = "8"
    & skf18("3","5","3","4","9","7","1") = "8"
    & skf18("3","5","3","4","9","8","1") = "8"
    & skf18("3","5","3","4","9","9","1") = "8"
    & skf18("3","5","3","4","9","10","1") = "9"
    & skf18("3","5","3","4","10","1","1") = "9"
    & skf18("3","5","3","4","10","2","1") = "9"
    & skf18("3","5","3","4","10","3","1") = "9"
    & skf18("3","5","3","4","10","4","1") = "9"
    & skf18("3","5","3","4","10","5","1") = "9"
    & skf18("3","5","3","4","10","6","1") = "9"
    & skf18("3","5","3","4","10","7","1") = "9"
    & skf18("3","5","3","4","10","8","1") = "9"
    & skf18("3","5","3","4","10","9","1") = "9"
    & skf18("3","5","3","4","10","10","1") = "9"
    & skf18("3","5","3","5","1","1","1") = "4"
    & skf18("3","5","3","5","1","2","1") = "4"
    & skf18("3","5","3","5","1","3","1") = "4"
    & skf18("3","5","3","5","1","4","1") = "4"
    & skf18("3","5","3","5","1","5","1") = "4"
    & skf18("3","5","3","5","1","6","1") = "5"
    & skf18("3","5","3","5","1","7","1") = "6"
    & skf18("3","5","3","5","1","8","1") = "7"
    & skf18("3","5","3","5","1","9","1") = "8"
    & skf18("3","5","3","5","1","10","1") = "9"
    & skf18("3","5","3","5","2","1","1") = "4"
    & skf18("3","5","3","5","2","2","1") = "4"
    & skf18("3","5","3","5","2","3","1") = "4"
    & skf18("3","5","3","5","2","4","1") = "4"
    & skf18("3","5","3","5","2","5","1") = "4"
    & skf18("3","5","3","5","2","6","1") = "5"
    & skf18("3","5","3","5","2","7","1") = "6"
    & skf18("3","5","3","5","2","8","1") = "7"
    & skf18("3","5","3","5","2","9","1") = "8"
    & skf18("3","5","3","5","2","10","1") = "9"
    & skf18("3","5","3","5","3","1","1") = "4"
    & skf18("3","5","3","5","3","2","1") = "4"
    & skf18("3","5","3","5","3","3","1") = "4"
    & skf18("3","5","3","5","3","4","1") = "4"
    & skf18("3","5","3","5","3","5","1") = "4"
    & skf18("3","5","3","5","3","6","1") = "5"
    & skf18("3","5","3","5","3","7","1") = "6"
    & skf18("3","5","3","5","3","8","1") = "7"
    & skf18("3","5","3","5","3","9","1") = "8"
    & skf18("3","5","3","5","3","10","1") = "9"
    & skf18("3","5","3","5","4","1","1") = "4"
    & skf18("3","5","3","5","4","2","1") = "4"
    & skf18("3","5","3","5","4","3","1") = "4"
    & skf18("3","5","3","5","4","4","1") = "4"
    & skf18("3","5","3","5","4","5","1") = "4"
    & skf18("3","5","3","5","4","6","1") = "5"
    & skf18("3","5","3","5","4","7","1") = "6"
    & skf18("3","5","3","5","4","8","1") = "7"
    & skf18("3","5","3","5","4","9","1") = "8"
    & skf18("3","5","3","5","4","10","1") = "9"
    & skf18("3","5","3","5","5","1","1") = "4"
    & skf18("3","5","3","5","5","2","1") = "4"
    & skf18("3","5","3","5","5","3","1") = "4"
    & skf18("3","5","3","5","5","4","1") = "4"
    & skf18("3","5","3","5","5","5","1") = "4"
    & skf18("3","5","3","5","5","6","1") = "5"
    & skf18("3","5","3","5","5","7","1") = "6"
    & skf18("3","5","3","5","5","8","1") = "7"
    & skf18("3","5","3","5","5","9","1") = "8"
    & skf18("3","5","3","5","5","10","1") = "9"
    & skf18("3","5","3","5","6","1","1") = "5"
    & skf18("3","5","3","5","6","2","1") = "5"
    & skf18("3","5","3","5","6","3","1") = "5"
    & skf18("3","5","3","5","6","4","1") = "5"
    & skf18("3","5","3","5","6","5","1") = "5"
    & skf18("3","5","3","5","6","6","1") = "5"
    & skf18("3","5","3","5","6","7","1") = "6"
    & skf18("3","5","3","5","6","8","1") = "7"
    & skf18("3","5","3","5","6","9","1") = "8"
    & skf18("3","5","3","5","6","10","1") = "9"
    & skf18("3","5","3","5","7","1","1") = "6"
    & skf18("3","5","3","5","7","2","1") = "6"
    & skf18("3","5","3","5","7","3","1") = "6"
    & skf18("3","5","3","5","7","4","1") = "6"
    & skf18("3","5","3","5","7","5","1") = "6"
    & skf18("3","5","3","5","7","6","1") = "6"
    & skf18("3","5","3","5","7","7","1") = "6"
    & skf18("3","5","3","5","7","8","1") = "7"
    & skf18("3","5","3","5","7","9","1") = "8"
    & skf18("3","5","3","5","7","10","1") = "9"
    & skf18("3","5","3","5","8","1","1") = "7"
    & skf18("3","5","3","5","8","2","1") = "7"
    & skf18("3","5","3","5","8","3","1") = "7"
    & skf18("3","5","3","5","8","4","1") = "7"
    & skf18("3","5","3","5","8","5","1") = "7"
    & skf18("3","5","3","5","8","6","1") = "7"
    & skf18("3","5","3","5","8","7","1") = "7"
    & skf18("3","5","3","5","8","8","1") = "7"
    & skf18("3","5","3","5","8","9","1") = "8"
    & skf18("3","5","3","5","8","10","1") = "9"
    & skf18("3","5","3","5","9","1","1") = "8"
    & skf18("3","5","3","5","9","2","1") = "8"
    & skf18("3","5","3","5","9","3","1") = "8"
    & skf18("3","5","3","5","9","4","1") = "8"
    & skf18("3","5","3","5","9","5","1") = "8"
    & skf18("3","5","3","5","9","6","1") = "8"
    & skf18("3","5","3","5","9","7","1") = "8"
    & skf18("3","5","3","5","9","8","1") = "8"
    & skf18("3","5","3","5","9","9","1") = "8"
    & skf18("3","5","3","5","9","10","1") = "9"
    & skf18("3","5","3","5","10","1","1") = "9"
    & skf18("3","5","3","5","10","2","1") = "9"
    & skf18("3","5","3","5","10","3","1") = "9"
    & skf18("3","5","3","5","10","4","1") = "9"
    & skf18("3","5","3","5","10","5","1") = "9"
    & skf18("3","5","3","5","10","6","1") = "9"
    & skf18("3","5","3","5","10","7","1") = "9"
    & skf18("3","5","3","5","10","8","1") = "9"
    & skf18("3","5","3","5","10","9","1") = "9"
    & skf18("3","5","3","5","10","10","1") = "9"
    & skf18("3","5","3","6","1","1","1") = "5"
    & skf18("3","5","3","6","1","2","1") = "5"
    & skf18("3","5","3","6","1","3","1") = "5"
    & skf18("3","5","3","6","1","4","1") = "5"
    & skf18("3","5","3","6","1","5","1") = "5"
    & skf18("3","5","3","6","1","6","1") = "5"
    & skf18("3","5","3","6","1","7","1") = "6"
    & skf18("3","5","3","6","1","8","1") = "7"
    & skf18("3","5","3","6","1","9","1") = "8"
    & skf18("3","5","3","6","1","10","1") = "9"
    & skf18("3","5","3","6","2","1","1") = "5"
    & skf18("3","5","3","6","2","2","1") = "5"
    & skf18("3","5","3","6","2","3","1") = "5"
    & skf18("3","5","3","6","2","4","1") = "5"
    & skf18("3","5","3","6","2","5","1") = "5"
    & skf18("3","5","3","6","2","6","1") = "5"
    & skf18("3","5","3","6","2","7","1") = "6"
    & skf18("3","5","3","6","2","8","1") = "7"
    & skf18("3","5","3","6","2","9","1") = "8"
    & skf18("3","5","3","6","2","10","1") = "9"
    & skf18("3","5","3","6","3","1","1") = "5"
    & skf18("3","5","3","6","3","2","1") = "5"
    & skf18("3","5","3","6","3","3","1") = "5"
    & skf18("3","5","3","6","3","4","1") = "5"
    & skf18("3","5","3","6","3","5","1") = "5"
    & skf18("3","5","3","6","3","6","1") = "5"
    & skf18("3","5","3","6","3","7","1") = "6"
    & skf18("3","5","3","6","3","8","1") = "7"
    & skf18("3","5","3","6","3","9","1") = "8"
    & skf18("3","5","3","6","3","10","1") = "9"
    & skf18("3","5","3","6","4","1","1") = "5"
    & skf18("3","5","3","6","4","2","1") = "5"
    & skf18("3","5","3","6","4","3","1") = "5"
    & skf18("3","5","3","6","4","4","1") = "5"
    & skf18("3","5","3","6","4","5","1") = "5"
    & skf18("3","5","3","6","4","6","1") = "5"
    & skf18("3","5","3","6","4","7","1") = "6"
    & skf18("3","5","3","6","4","8","1") = "7"
    & skf18("3","5","3","6","4","9","1") = "8"
    & skf18("3","5","3","6","4","10","1") = "9"
    & skf18("3","5","3","6","5","1","1") = "5"
    & skf18("3","5","3","6","5","2","1") = "5"
    & skf18("3","5","3","6","5","3","1") = "5"
    & skf18("3","5","3","6","5","4","1") = "5"
    & skf18("3","5","3","6","5","5","1") = "5"
    & skf18("3","5","3","6","5","6","1") = "5"
    & skf18("3","5","3","6","5","7","1") = "6"
    & skf18("3","5","3","6","5","8","1") = "7"
    & skf18("3","5","3","6","5","9","1") = "8"
    & skf18("3","5","3","6","5","10","1") = "9"
    & skf18("3","5","3","6","6","1","1") = "5"
    & skf18("3","5","3","6","6","2","1") = "5"
    & skf18("3","5","3","6","6","3","1") = "5"
    & skf18("3","5","3","6","6","4","1") = "5"
    & skf18("3","5","3","6","6","5","1") = "5"
    & skf18("3","5","3","6","6","6","1") = "5"
    & skf18("3","5","3","6","6","7","1") = "6"
    & skf18("3","5","3","6","6","8","1") = "7"
    & skf18("3","5","3","6","6","9","1") = "8"
    & skf18("3","5","3","6","6","10","1") = "9"
    & skf18("3","5","3","6","7","1","1") = "6"
    & skf18("3","5","3","6","7","2","1") = "6"
    & skf18("3","5","3","6","7","3","1") = "6"
    & skf18("3","5","3","6","7","4","1") = "6"
    & skf18("3","5","3","6","7","5","1") = "6"
    & skf18("3","5","3","6","7","6","1") = "6"
    & skf18("3","5","3","6","7","7","1") = "6"
    & skf18("3","5","3","6","7","8","1") = "7"
    & skf18("3","5","3","6","7","9","1") = "8"
    & skf18("3","5","3","6","7","10","1") = "9"
    & skf18("3","5","3","6","8","1","1") = "7"
    & skf18("3","5","3","6","8","2","1") = "7"
    & skf18("3","5","3","6","8","3","1") = "7"
    & skf18("3","5","3","6","8","4","1") = "7"
    & skf18("3","5","3","6","8","5","1") = "7"
    & skf18("3","5","3","6","8","6","1") = "7"
    & skf18("3","5","3","6","8","7","1") = "7"
    & skf18("3","5","3","6","8","8","1") = "7"
    & skf18("3","5","3","6","8","9","1") = "8"
    & skf18("3","5","3","6","8","10","1") = "9"
    & skf18("3","5","3","6","9","1","1") = "8"
    & skf18("3","5","3","6","9","2","1") = "8"
    & skf18("3","5","3","6","9","3","1") = "8"
    & skf18("3","5","3","6","9","4","1") = "8"
    & skf18("3","5","3","6","9","5","1") = "8"
    & skf18("3","5","3","6","9","6","1") = "8"
    & skf18("3","5","3","6","9","7","1") = "8"
    & skf18("3","5","3","6","9","8","1") = "8"
    & skf18("3","5","3","6","9","9","1") = "8"
    & skf18("3","5","3","6","9","10","1") = "9"
    & skf18("3","5","3","6","10","1","1") = "9"
    & skf18("3","5","3","6","10","2","1") = "9"
    & skf18("3","5","3","6","10","3","1") = "9"
    & skf18("3","5","3","6","10","4","1") = "9"
    & skf18("3","5","3","6","10","5","1") = "9"
    & skf18("3","5","3","6","10","6","1") = "9"
    & skf18("3","5","3","6","10","7","1") = "9"
    & skf18("3","5","3","6","10","8","1") = "9"
    & skf18("3","5","3","6","10","9","1") = "9"
    & skf18("3","5","3","6","10","10","1") = "9"
    & skf18("3","5","3","7","1","1","1") = "6"
    & skf18("3","5","3","7","1","2","1") = "6"
    & skf18("3","5","3","7","1","3","1") = "6"
    & skf18("3","5","3","7","1","4","1") = "6"
    & skf18("3","5","3","7","1","5","1") = "6"
    & skf18("3","5","3","7","1","6","1") = "6"
    & skf18("3","5","3","7","1","7","1") = "6"
    & skf18("3","5","3","7","1","8","1") = "7"
    & skf18("3","5","3","7","1","9","1") = "8"
    & skf18("3","5","3","7","1","10","1") = "9"
    & skf18("3","5","3","7","2","1","1") = "6"
    & skf18("3","5","3","7","2","2","1") = "6"
    & skf18("3","5","3","7","2","3","1") = "6"
    & skf18("3","5","3","7","2","4","1") = "6"
    & skf18("3","5","3","7","2","5","1") = "6"
    & skf18("3","5","3","7","2","6","1") = "6"
    & skf18("3","5","3","7","2","7","1") = "6"
    & skf18("3","5","3","7","2","8","1") = "7"
    & skf18("3","5","3","7","2","9","1") = "8"
    & skf18("3","5","3","7","2","10","1") = "9"
    & skf18("3","5","3","7","3","1","1") = "6"
    & skf18("3","5","3","7","3","2","1") = "6"
    & skf18("3","5","3","7","3","3","1") = "6"
    & skf18("3","5","3","7","3","4","1") = "6"
    & skf18("3","5","3","7","3","5","1") = "6"
    & skf18("3","5","3","7","3","6","1") = "6"
    & skf18("3","5","3","7","3","7","1") = "6"
    & skf18("3","5","3","7","3","8","1") = "7"
    & skf18("3","5","3","7","3","9","1") = "8"
    & skf18("3","5","3","7","3","10","1") = "9"
    & skf18("3","5","3","7","4","1","1") = "6"
    & skf18("3","5","3","7","4","2","1") = "6"
    & skf18("3","5","3","7","4","3","1") = "6"
    & skf18("3","5","3","7","4","4","1") = "6"
    & skf18("3","5","3","7","4","5","1") = "6"
    & skf18("3","5","3","7","4","6","1") = "6"
    & skf18("3","5","3","7","4","7","1") = "6"
    & skf18("3","5","3","7","4","8","1") = "7"
    & skf18("3","5","3","7","4","9","1") = "8"
    & skf18("3","5","3","7","4","10","1") = "9"
    & skf18("3","5","3","7","5","1","1") = "6"
    & skf18("3","5","3","7","5","2","1") = "6"
    & skf18("3","5","3","7","5","3","1") = "6"
    & skf18("3","5","3","7","5","4","1") = "6"
    & skf18("3","5","3","7","5","5","1") = "6"
    & skf18("3","5","3","7","5","6","1") = "6"
    & skf18("3","5","3","7","5","7","1") = "6"
    & skf18("3","5","3","7","5","8","1") = "7"
    & skf18("3","5","3","7","5","9","1") = "8"
    & skf18("3","5","3","7","5","10","1") = "9"
    & skf18("3","5","3","7","6","1","1") = "6"
    & skf18("3","5","3","7","6","2","1") = "6"
    & skf18("3","5","3","7","6","3","1") = "6"
    & skf18("3","5","3","7","6","4","1") = "6"
    & skf18("3","5","3","7","6","5","1") = "6"
    & skf18("3","5","3","7","6","6","1") = "6"
    & skf18("3","5","3","7","6","7","1") = "6"
    & skf18("3","5","3","7","6","8","1") = "7"
    & skf18("3","5","3","7","6","9","1") = "8"
    & skf18("3","5","3","7","6","10","1") = "9"
    & skf18("3","5","3","7","7","1","1") = "6"
    & skf18("3","5","3","7","7","2","1") = "6"
    & skf18("3","5","3","7","7","3","1") = "6"
    & skf18("3","5","3","7","7","4","1") = "6"
    & skf18("3","5","3","7","7","5","1") = "6"
    & skf18("3","5","3","7","7","6","1") = "6"
    & skf18("3","5","3","7","7","7","1") = "6"
    & skf18("3","5","3","7","7","8","1") = "7"
    & skf18("3","5","3","7","7","9","1") = "8"
    & skf18("3","5","3","7","7","10","1") = "9"
    & skf18("3","5","3","7","8","1","1") = "7"
    & skf18("3","5","3","7","8","2","1") = "7"
    & skf18("3","5","3","7","8","3","1") = "7"
    & skf18("3","5","3","7","8","4","1") = "7"
    & skf18("3","5","3","7","8","5","1") = "7"
    & skf18("3","5","3","7","8","6","1") = "7"
    & skf18("3","5","3","7","8","7","1") = "7"
    & skf18("3","5","3","7","8","8","1") = "7"
    & skf18("3","5","3","7","8","9","1") = "8"
    & skf18("3","5","3","7","8","10","1") = "9"
    & skf18("3","5","3","7","9","1","1") = "8"
    & skf18("3","5","3","7","9","2","1") = "8"
    & skf18("3","5","3","7","9","3","1") = "8"
    & skf18("3","5","3","7","9","4","1") = "8"
    & skf18("3","5","3","7","9","5","1") = "8"
    & skf18("3","5","3","7","9","6","1") = "8"
    & skf18("3","5","3","7","9","7","1") = "8"
    & skf18("3","5","3","7","9","8","1") = "8"
    & skf18("3","5","3","7","9","9","1") = "8"
    & skf18("3","5","3","7","9","10","1") = "9"
    & skf18("3","5","3","7","10","1","1") = "9"
    & skf18("3","5","3","7","10","2","1") = "9"
    & skf18("3","5","3","7","10","3","1") = "9"
    & skf18("3","5","3","7","10","4","1") = "9"
    & skf18("3","5","3","7","10","5","1") = "9"
    & skf18("3","5","3","7","10","6","1") = "9"
    & skf18("3","5","3","7","10","7","1") = "9"
    & skf18("3","5","3","7","10","8","1") = "9"
    & skf18("3","5","3","7","10","9","1") = "9"
    & skf18("3","5","3","7","10","10","1") = "9"
    & skf18("3","5","3","8","1","1","1") = "7"
    & skf18("3","5","3","8","1","2","1") = "7"
    & skf18("3","5","3","8","1","3","1") = "7"
    & skf18("3","5","3","8","1","4","1") = "7"
    & skf18("3","5","3","8","1","5","1") = "7"
    & skf18("3","5","3","8","1","6","1") = "7"
    & skf18("3","5","3","8","1","7","1") = "7"
    & skf18("3","5","3","8","1","8","1") = "7"
    & skf18("3","5","3","8","1","9","1") = "8"
    & skf18("3","5","3","8","1","10","1") = "9"
    & skf18("3","5","3","8","2","1","1") = "7"
    & skf18("3","5","3","8","2","2","1") = "7"
    & skf18("3","5","3","8","2","3","1") = "7"
    & skf18("3","5","3","8","2","4","1") = "7"
    & skf18("3","5","3","8","2","5","1") = "7"
    & skf18("3","5","3","8","2","6","1") = "7"
    & skf18("3","5","3","8","2","7","1") = "7"
    & skf18("3","5","3","8","2","8","1") = "7"
    & skf18("3","5","3","8","2","9","1") = "8"
    & skf18("3","5","3","8","2","10","1") = "9"
    & skf18("3","5","3","8","3","1","1") = "7"
    & skf18("3","5","3","8","3","2","1") = "7"
    & skf18("3","5","3","8","3","3","1") = "7"
    & skf18("3","5","3","8","3","4","1") = "7"
    & skf18("3","5","3","8","3","5","1") = "7"
    & skf18("3","5","3","8","3","6","1") = "7"
    & skf18("3","5","3","8","3","7","1") = "7"
    & skf18("3","5","3","8","3","8","1") = "7"
    & skf18("3","5","3","8","3","9","1") = "8"
    & skf18("3","5","3","8","3","10","1") = "9"
    & skf18("3","5","3","8","4","1","1") = "7"
    & skf18("3","5","3","8","4","2","1") = "7"
    & skf18("3","5","3","8","4","3","1") = "7"
    & skf18("3","5","3","8","4","4","1") = "7"
    & skf18("3","5","3","8","4","5","1") = "7"
    & skf18("3","5","3","8","4","6","1") = "7"
    & skf18("3","5","3","8","4","7","1") = "7"
    & skf18("3","5","3","8","4","8","1") = "7"
    & skf18("3","5","3","8","4","9","1") = "8"
    & skf18("3","5","3","8","4","10","1") = "9"
    & skf18("3","5","3","8","5","1","1") = "7"
    & skf18("3","5","3","8","5","2","1") = "7"
    & skf18("3","5","3","8","5","3","1") = "7"
    & skf18("3","5","3","8","5","4","1") = "7"
    & skf18("3","5","3","8","5","5","1") = "7"
    & skf18("3","5","3","8","5","6","1") = "7"
    & skf18("3","5","3","8","5","7","1") = "7"
    & skf18("3","5","3","8","5","8","1") = "7"
    & skf18("3","5","3","8","5","9","1") = "8"
    & skf18("3","5","3","8","5","10","1") = "9"
    & skf18("3","5","3","8","6","1","1") = "7"
    & skf18("3","5","3","8","6","2","1") = "7"
    & skf18("3","5","3","8","6","3","1") = "7"
    & skf18("3","5","3","8","6","4","1") = "7"
    & skf18("3","5","3","8","6","5","1") = "7"
    & skf18("3","5","3","8","6","6","1") = "7"
    & skf18("3","5","3","8","6","7","1") = "7"
    & skf18("3","5","3","8","6","8","1") = "7"
    & skf18("3","5","3","8","6","9","1") = "8"
    & skf18("3","5","3","8","6","10","1") = "9"
    & skf18("3","5","3","8","7","1","1") = "7"
    & skf18("3","5","3","8","7","2","1") = "7"
    & skf18("3","5","3","8","7","3","1") = "7"
    & skf18("3","5","3","8","7","4","1") = "7"
    & skf18("3","5","3","8","7","5","1") = "7"
    & skf18("3","5","3","8","7","6","1") = "7"
    & skf18("3","5","3","8","7","7","1") = "7"
    & skf18("3","5","3","8","7","8","1") = "7"
    & skf18("3","5","3","8","7","9","1") = "8"
    & skf18("3","5","3","8","7","10","1") = "9"
    & skf18("3","5","3","8","8","1","1") = "7"
    & skf18("3","5","3","8","8","2","1") = "7"
    & skf18("3","5","3","8","8","3","1") = "7"
    & skf18("3","5","3","8","8","4","1") = "7"
    & skf18("3","5","3","8","8","5","1") = "7"
    & skf18("3","5","3","8","8","6","1") = "7"
    & skf18("3","5","3","8","8","7","1") = "7"
    & skf18("3","5","3","8","8","8","1") = "7"
    & skf18("3","5","3","8","8","9","1") = "8"
    & skf18("3","5","3","8","8","10","1") = "9"
    & skf18("3","5","3","8","9","1","1") = "8"
    & skf18("3","5","3","8","9","2","1") = "8"
    & skf18("3","5","3","8","9","3","1") = "8"
    & skf18("3","5","3","8","9","4","1") = "8"
    & skf18("3","5","3","8","9","5","1") = "8"
    & skf18("3","5","3","8","9","6","1") = "8"
    & skf18("3","5","3","8","9","7","1") = "8"
    & skf18("3","5","3","8","9","8","1") = "8"
    & skf18("3","5","3","8","9","9","1") = "8"
    & skf18("3","5","3","8","9","10","1") = "9"
    & skf18("3","5","3","8","10","1","1") = "9"
    & skf18("3","5","3","8","10","2","1") = "9"
    & skf18("3","5","3","8","10","3","1") = "9"
    & skf18("3","5","3","8","10","4","1") = "9"
    & skf18("3","5","3","8","10","5","1") = "9"
    & skf18("3","5","3","8","10","6","1") = "9"
    & skf18("3","5","3","8","10","7","1") = "9"
    & skf18("3","5","3","8","10","8","1") = "9"
    & skf18("3","5","3","8","10","9","1") = "9"
    & skf18("3","5","3","8","10","10","1") = "9"
    & skf18("3","5","3","9","1","1","1") = "8"
    & skf18("3","5","3","9","1","2","1") = "8"
    & skf18("3","5","3","9","1","3","1") = "8"
    & skf18("3","5","3","9","1","4","1") = "8"
    & skf18("3","5","3","9","1","5","1") = "8"
    & skf18("3","5","3","9","1","6","1") = "8"
    & skf18("3","5","3","9","1","7","1") = "8"
    & skf18("3","5","3","9","1","8","1") = "8"
    & skf18("3","5","3","9","1","9","1") = "8"
    & skf18("3","5","3","9","1","10","1") = "9"
    & skf18("3","5","3","9","2","1","1") = "8"
    & skf18("3","5","3","9","2","2","1") = "8"
    & skf18("3","5","3","9","2","3","1") = "8"
    & skf18("3","5","3","9","2","4","1") = "8"
    & skf18("3","5","3","9","2","5","1") = "8"
    & skf18("3","5","3","9","2","6","1") = "8"
    & skf18("3","5","3","9","2","7","1") = "8"
    & skf18("3","5","3","9","2","8","1") = "8"
    & skf18("3","5","3","9","2","9","1") = "8"
    & skf18("3","5","3","9","2","10","1") = "9"
    & skf18("3","5","3","9","3","1","1") = "8"
    & skf18("3","5","3","9","3","2","1") = "8"
    & skf18("3","5","3","9","3","3","1") = "8"
    & skf18("3","5","3","9","3","4","1") = "8"
    & skf18("3","5","3","9","3","5","1") = "8"
    & skf18("3","5","3","9","3","6","1") = "8"
    & skf18("3","5","3","9","3","7","1") = "8"
    & skf18("3","5","3","9","3","8","1") = "8"
    & skf18("3","5","3","9","3","9","1") = "8"
    & skf18("3","5","3","9","3","10","1") = "9"
    & skf18("3","5","3","9","4","1","1") = "8"
    & skf18("3","5","3","9","4","2","1") = "8"
    & skf18("3","5","3","9","4","3","1") = "8"
    & skf18("3","5","3","9","4","4","1") = "8"
    & skf18("3","5","3","9","4","5","1") = "8"
    & skf18("3","5","3","9","4","6","1") = "8"
    & skf18("3","5","3","9","4","7","1") = "8"
    & skf18("3","5","3","9","4","8","1") = "8"
    & skf18("3","5","3","9","4","9","1") = "8"
    & skf18("3","5","3","9","4","10","1") = "9"
    & skf18("3","5","3","9","5","1","1") = "8"
    & skf18("3","5","3","9","5","2","1") = "8"
    & skf18("3","5","3","9","5","3","1") = "8"
    & skf18("3","5","3","9","5","4","1") = "8"
    & skf18("3","5","3","9","5","5","1") = "8"
    & skf18("3","5","3","9","5","6","1") = "8"
    & skf18("3","5","3","9","5","7","1") = "8"
    & skf18("3","5","3","9","5","8","1") = "8"
    & skf18("3","5","3","9","5","9","1") = "8"
    & skf18("3","5","3","9","5","10","1") = "9"
    & skf18("3","5","3","9","6","1","1") = "8"
    & skf18("3","5","3","9","6","2","1") = "8"
    & skf18("3","5","3","9","6","3","1") = "8"
    & skf18("3","5","3","9","6","4","1") = "8"
    & skf18("3","5","3","9","6","5","1") = "8"
    & skf18("3","5","3","9","6","6","1") = "8"
    & skf18("3","5","3","9","6","7","1") = "8"
    & skf18("3","5","3","9","6","8","1") = "8"
    & skf18("3","5","3","9","6","9","1") = "8"
    & skf18("3","5","3","9","6","10","1") = "9"
    & skf18("3","5","3","9","7","1","1") = "8"
    & skf18("3","5","3","9","7","2","1") = "8"
    & skf18("3","5","3","9","7","3","1") = "8"
    & skf18("3","5","3","9","7","4","1") = "8"
    & skf18("3","5","3","9","7","5","1") = "8"
    & skf18("3","5","3","9","7","6","1") = "8"
    & skf18("3","5","3","9","7","7","1") = "8"
    & skf18("3","5","3","9","7","8","1") = "8"
    & skf18("3","5","3","9","7","9","1") = "8"
    & skf18("3","5","3","9","7","10","1") = "9"
    & skf18("3","5","3","9","8","1","1") = "8"
    & skf18("3","5","3","9","8","2","1") = "8"
    & skf18("3","5","3","9","8","3","1") = "8"
    & skf18("3","5","3","9","8","4","1") = "8"
    & skf18("3","5","3","9","8","5","1") = "8"
    & skf18("3","5","3","9","8","6","1") = "8"
    & skf18("3","5","3","9","8","7","1") = "8"
    & skf18("3","5","3","9","8","8","1") = "8"
    & skf18("3","5","3","9","8","9","1") = "8"
    & skf18("3","5","3","9","8","10","1") = "9"
    & skf18("3","5","3","9","9","1","1") = "8"
    & skf18("3","5","3","9","9","2","1") = "8"
    & skf18("3","5","3","9","9","3","1") = "8"
    & skf18("3","5","3","9","9","4","1") = "8"
    & skf18("3","5","3","9","9","5","1") = "8"
    & skf18("3","5","3","9","9","6","1") = "8"
    & skf18("3","5","3","9","9","7","1") = "8"
    & skf18("3","5","3","9","9","8","1") = "8"
    & skf18("3","5","3","9","9","9","1") = "8"
    & skf18("3","5","3","9","9","10","1") = "9"
    & skf18("3","5","3","9","10","1","1") = "9"
    & skf18("3","5","3","9","10","2","1") = "9"
    & skf18("3","5","3","9","10","3","1") = "9"
    & skf18("3","5","3","9","10","4","1") = "9"
    & skf18("3","5","3","9","10","5","1") = "9"
    & skf18("3","5","3","9","10","6","1") = "9"
    & skf18("3","5","3","9","10","7","1") = "9"
    & skf18("3","5","3","9","10","8","1") = "9"
    & skf18("3","5","3","9","10","9","1") = "9"
    & skf18("3","5","3","9","10","10","1") = "9"
    & skf18("3","5","3","10","1","1","1") = "9"
    & skf18("3","5","3","10","1","2","1") = "9"
    & skf18("3","5","3","10","1","3","1") = "9"
    & skf18("3","5","3","10","1","4","1") = "9"
    & skf18("3","5","3","10","1","5","1") = "9"
    & skf18("3","5","3","10","1","6","1") = "9"
    & skf18("3","5","3","10","1","7","1") = "9"
    & skf18("3","5","3","10","1","8","1") = "9"
    & skf18("3","5","3","10","1","9","1") = "9"
    & skf18("3","5","3","10","1","10","1") = "9"
    & skf18("3","5","3","10","2","1","1") = "9"
    & skf18("3","5","3","10","2","2","1") = "9"
    & skf18("3","5","3","10","2","3","1") = "9"
    & skf18("3","5","3","10","2","4","1") = "9"
    & skf18("3","5","3","10","2","5","1") = "9"
    & skf18("3","5","3","10","2","6","1") = "9"
    & skf18("3","5","3","10","2","7","1") = "9"
    & skf18("3","5","3","10","2","8","1") = "9"
    & skf18("3","5","3","10","2","9","1") = "9"
    & skf18("3","5","3","10","2","10","1") = "9"
    & skf18("3","5","3","10","3","1","1") = "9"
    & skf18("3","5","3","10","3","2","1") = "9"
    & skf18("3","5","3","10","3","3","1") = "9"
    & skf18("3","5","3","10","3","4","1") = "9"
    & skf18("3","5","3","10","3","5","1") = "9"
    & skf18("3","5","3","10","3","6","1") = "9"
    & skf18("3","5","3","10","3","7","1") = "9"
    & skf18("3","5","3","10","3","8","1") = "9"
    & skf18("3","5","3","10","3","9","1") = "9"
    & skf18("3","5","3","10","3","10","1") = "9"
    & skf18("3","5","3","10","4","1","1") = "9"
    & skf18("3","5","3","10","4","2","1") = "9"
    & skf18("3","5","3","10","4","3","1") = "9"
    & skf18("3","5","3","10","4","4","1") = "9"
    & skf18("3","5","3","10","4","5","1") = "9"
    & skf18("3","5","3","10","4","6","1") = "9"
    & skf18("3","5","3","10","4","7","1") = "9"
    & skf18("3","5","3","10","4","8","1") = "9"
    & skf18("3","5","3","10","4","9","1") = "9"
    & skf18("3","5","3","10","4","10","1") = "9"
    & skf18("3","5","3","10","5","1","1") = "9"
    & skf18("3","5","3","10","5","2","1") = "9"
    & skf18("3","5","3","10","5","3","1") = "9"
    & skf18("3","5","3","10","5","4","1") = "9"
    & skf18("3","5","3","10","5","5","1") = "9"
    & skf18("3","5","3","10","5","6","1") = "9"
    & skf18("3","5","3","10","5","7","1") = "9"
    & skf18("3","5","3","10","5","8","1") = "9"
    & skf18("3","5","3","10","5","9","1") = "9"
    & skf18("3","5","3","10","5","10","1") = "9"
    & skf18("3","5","3","10","6","1","1") = "9"
    & skf18("3","5","3","10","6","2","1") = "9"
    & skf18("3","5","3","10","6","3","1") = "9"
    & skf18("3","5","3","10","6","4","1") = "9"
    & skf18("3","5","3","10","6","5","1") = "9"
    & skf18("3","5","3","10","6","6","1") = "9"
    & skf18("3","5","3","10","6","7","1") = "9"
    & skf18("3","5","3","10","6","8","1") = "9"
    & skf18("3","5","3","10","6","9","1") = "9"
    & skf18("3","5","3","10","6","10","1") = "9"
    & skf18("3","5","3","10","7","1","1") = "9"
    & skf18("3","5","3","10","7","2","1") = "9"
    & skf18("3","5","3","10","7","3","1") = "9"
    & skf18("3","5","3","10","7","4","1") = "9"
    & skf18("3","5","3","10","7","5","1") = "9"
    & skf18("3","5","3","10","7","6","1") = "9"
    & skf18("3","5","3","10","7","7","1") = "9"
    & skf18("3","5","3","10","7","8","1") = "9"
    & skf18("3","5","3","10","7","9","1") = "9"
    & skf18("3","5","3","10","7","10","1") = "9"
    & skf18("3","5","3","10","8","1","1") = "9"
    & skf18("3","5","3","10","8","2","1") = "9"
    & skf18("3","5","3","10","8","3","1") = "9"
    & skf18("3","5","3","10","8","4","1") = "9"
    & skf18("3","5","3","10","8","5","1") = "9"
    & skf18("3","5","3","10","8","6","1") = "9"
    & skf18("3","5","3","10","8","7","1") = "9"
    & skf18("3","5","3","10","8","8","1") = "9"
    & skf18("3","5","3","10","8","9","1") = "9"
    & skf18("3","5","3","10","8","10","1") = "9"
    & skf18("3","5","3","10","9","1","1") = "9"
    & skf18("3","5","3","10","9","2","1") = "9"
    & skf18("3","5","3","10","9","3","1") = "9"
    & skf18("3","5","3","10","9","4","1") = "9"
    & skf18("3","5","3","10","9","5","1") = "9"
    & skf18("3","5","3","10","9","6","1") = "9"
    & skf18("3","5","3","10","9","7","1") = "9"
    & skf18("3","5","3","10","9","8","1") = "9"
    & skf18("3","5","3","10","9","9","1") = "9"
    & skf18("3","5","3","10","9","10","1") = "9"
    & skf18("3","5","3","10","10","1","1") = "9"
    & skf18("3","5","3","10","10","2","1") = "9"
    & skf18("3","5","3","10","10","3","1") = "9"
    & skf18("3","5","3","10","10","4","1") = "9"
    & skf18("3","5","3","10","10","5","1") = "9"
    & skf18("3","5","3","10","10","6","1") = "9"
    & skf18("3","5","3","10","10","7","1") = "9"
    & skf18("3","5","3","10","10","8","1") = "9"
    & skf18("3","5","3","10","10","9","1") = "9"
    & skf18("3","5","3","10","10","10","1") = "9"
    & skf18("3","5","4","1","1","1","1") = "4"
    & skf18("3","5","4","1","1","2","1") = "4"
    & skf18("3","5","4","1","1","3","1") = "4"
    & skf18("3","5","4","1","1","4","1") = "4"
    & skf18("3","5","4","1","1","5","1") = "4"
    & skf18("3","5","4","1","1","6","1") = "5"
    & skf18("3","5","4","1","1","7","1") = "6"
    & skf18("3","5","4","1","1","8","1") = "7"
    & skf18("3","5","4","1","1","9","1") = "8"
    & skf18("3","5","4","1","1","10","1") = "9"
    & skf18("3","5","4","1","2","1","1") = "4"
    & skf18("3","5","4","1","2","2","1") = "4"
    & skf18("3","5","4","1","2","3","1") = "4"
    & skf18("3","5","4","1","2","4","1") = "4"
    & skf18("3","5","4","1","2","5","1") = "4"
    & skf18("3","5","4","1","2","6","1") = "5"
    & skf18("3","5","4","1","2","7","1") = "6"
    & skf18("3","5","4","1","2","8","1") = "7"
    & skf18("3","5","4","1","2","9","1") = "8"
    & skf18("3","5","4","1","2","10","1") = "9"
    & skf18("3","5","4","1","3","1","1") = "4"
    & skf18("3","5","4","1","3","2","1") = "4"
    & skf18("3","5","4","1","3","3","1") = "4"
    & skf18("3","5","4","1","3","4","1") = "4"
    & skf18("3","5","4","1","3","5","1") = "4"
    & skf18("3","5","4","1","3","6","1") = "5"
    & skf18("3","5","4","1","3","7","1") = "6"
    & skf18("3","5","4","1","3","8","1") = "7"
    & skf18("3","5","4","1","3","9","1") = "8"
    & skf18("3","5","4","1","3","10","1") = "9"
    & skf18("3","5","4","1","4","1","1") = "4"
    & skf18("3","5","4","1","4","2","1") = "4"
    & skf18("3","5","4","1","4","3","1") = "4"
    & skf18("3","5","4","1","4","4","1") = "4"
    & skf18("3","5","4","1","4","5","1") = "4"
    & skf18("3","5","4","1","4","6","1") = "5"
    & skf18("3","5","4","1","4","7","1") = "6"
    & skf18("3","5","4","1","4","8","1") = "7"
    & skf18("3","5","4","1","4","9","1") = "8"
    & skf18("3","5","4","1","4","10","1") = "9"
    & skf18("3","5","4","1","5","1","1") = "4"
    & skf18("3","5","4","1","5","2","1") = "4"
    & skf18("3","5","4","1","5","3","1") = "4"
    & skf18("3","5","4","1","5","4","1") = "4"
    & skf18("3","5","4","1","5","5","1") = "4"
    & skf18("3","5","4","1","5","6","1") = "5"
    & skf18("3","5","4","1","5","7","1") = "6"
    & skf18("3","5","4","1","5","8","1") = "7"
    & skf18("3","5","4","1","5","9","1") = "8"
    & skf18("3","5","4","1","5","10","1") = "9"
    & skf18("3","5","4","1","6","1","1") = "5"
    & skf18("3","5","4","1","6","2","1") = "5"
    & skf18("3","5","4","1","6","3","1") = "5"
    & skf18("3","5","4","1","6","4","1") = "5"
    & skf18("3","5","4","1","6","5","1") = "5"
    & skf18("3","5","4","1","6","6","1") = "5"
    & skf18("3","5","4","1","6","7","1") = "6"
    & skf18("3","5","4","1","6","8","1") = "7"
    & skf18("3","5","4","1","6","9","1") = "8"
    & skf18("3","5","4","1","6","10","1") = "9"
    & skf18("3","5","4","1","7","1","1") = "6"
    & skf18("3","5","4","1","7","2","1") = "6"
    & skf18("3","5","4","1","7","3","1") = "6"
    & skf18("3","5","4","1","7","4","1") = "6"
    & skf18("3","5","4","1","7","5","1") = "6"
    & skf18("3","5","4","1","7","6","1") = "6"
    & skf18("3","5","4","1","7","7","1") = "6"
    & skf18("3","5","4","1","7","8","1") = "7"
    & skf18("3","5","4","1","7","9","1") = "8"
    & skf18("3","5","4","1","7","10","1") = "9"
    & skf18("3","5","4","1","8","1","1") = "7"
    & skf18("3","5","4","1","8","2","1") = "7"
    & skf18("3","5","4","1","8","3","1") = "7"
    & skf18("3","5","4","1","8","4","1") = "7"
    & skf18("3","5","4","1","8","5","1") = "7"
    & skf18("3","5","4","1","8","6","1") = "7"
    & skf18("3","5","4","1","8","7","1") = "7"
    & skf18("3","5","4","1","8","8","1") = "7"
    & skf18("3","5","4","1","8","9","1") = "8"
    & skf18("3","5","4","1","8","10","1") = "9"
    & skf18("3","5","4","1","9","1","1") = "8"
    & skf18("3","5","4","1","9","2","1") = "8"
    & skf18("3","5","4","1","9","3","1") = "8"
    & skf18("3","5","4","1","9","4","1") = "8"
    & skf18("3","5","4","1","9","5","1") = "8"
    & skf18("3","5","4","1","9","6","1") = "8"
    & skf18("3","5","4","1","9","7","1") = "8"
    & skf18("3","5","4","1","9","8","1") = "8"
    & skf18("3","5","4","1","9","9","1") = "8"
    & skf18("3","5","4","1","9","10","1") = "9"
    & skf18("3","5","4","1","10","1","1") = "9"
    & skf18("3","5","4","1","10","2","1") = "9"
    & skf18("3","5","4","1","10","3","1") = "9"
    & skf18("3","5","4","1","10","4","1") = "9"
    & skf18("3","5","4","1","10","5","1") = "9"
    & skf18("3","5","4","1","10","6","1") = "9"
    & skf18("3","5","4","1","10","7","1") = "9"
    & skf18("3","5","4","1","10","8","1") = "9"
    & skf18("3","5","4","1","10","9","1") = "9"
    & skf18("3","5","4","1","10","10","1") = "9"
    & skf18("3","5","4","2","1","1","1") = "4"
    & skf18("3","5","4","2","1","2","1") = "4"
    & skf18("3","5","4","2","1","3","1") = "4"
    & skf18("3","5","4","2","1","4","1") = "4"
    & skf18("3","5","4","2","1","5","1") = "4"
    & skf18("3","5","4","2","1","6","1") = "5"
    & skf18("3","5","4","2","1","7","1") = "6"
    & skf18("3","5","4","2","1","8","1") = "7"
    & skf18("3","5","4","2","1","9","1") = "8"
    & skf18("3","5","4","2","1","10","1") = "9"
    & skf18("3","5","4","2","2","1","1") = "4"
    & skf18("3","5","4","2","2","2","1") = "4"
    & skf18("3","5","4","2","2","3","1") = "4"
    & skf18("3","5","4","2","2","4","1") = "4"
    & skf18("3","5","4","2","2","5","1") = "4"
    & skf18("3","5","4","2","2","6","1") = "5"
    & skf18("3","5","4","2","2","7","1") = "6"
    & skf18("3","5","4","2","2","8","1") = "7"
    & skf18("3","5","4","2","2","9","1") = "8"
    & skf18("3","5","4","2","2","10","1") = "9"
    & skf18("3","5","4","2","3","1","1") = "4"
    & skf18("3","5","4","2","3","2","1") = "4"
    & skf18("3","5","4","2","3","3","1") = "4"
    & skf18("3","5","4","2","3","4","1") = "4"
    & skf18("3","5","4","2","3","5","1") = "4"
    & skf18("3","5","4","2","3","6","1") = "5"
    & skf18("3","5","4","2","3","7","1") = "6"
    & skf18("3","5","4","2","3","8","1") = "7"
    & skf18("3","5","4","2","3","9","1") = "8"
    & skf18("3","5","4","2","3","10","1") = "9"
    & skf18("3","5","4","2","4","1","1") = "4"
    & skf18("3","5","4","2","4","2","1") = "4"
    & skf18("3","5","4","2","4","3","1") = "4"
    & skf18("3","5","4","2","4","4","1") = "4"
    & skf18("3","5","4","2","4","5","1") = "4"
    & skf18("3","5","4","2","4","6","1") = "5"
    & skf18("3","5","4","2","4","7","1") = "6"
    & skf18("3","5","4","2","4","8","1") = "7"
    & skf18("3","5","4","2","4","9","1") = "8"
    & skf18("3","5","4","2","4","10","1") = "9"
    & skf18("3","5","4","2","5","1","1") = "4"
    & skf18("3","5","4","2","5","2","1") = "4"
    & skf18("3","5","4","2","5","3","1") = "4"
    & skf18("3","5","4","2","5","4","1") = "4"
    & skf18("3","5","4","2","5","5","1") = "4"
    & skf18("3","5","4","2","5","6","1") = "5"
    & skf18("3","5","4","2","5","7","1") = "6"
    & skf18("3","5","4","2","5","8","1") = "7"
    & skf18("3","5","4","2","5","9","1") = "8"
    & skf18("3","5","4","2","5","10","1") = "9"
    & skf18("3","5","4","2","6","1","1") = "5"
    & skf18("3","5","4","2","6","2","1") = "5"
    & skf18("3","5","4","2","6","3","1") = "5"
    & skf18("3","5","4","2","6","4","1") = "5"
    & skf18("3","5","4","2","6","5","1") = "5"
    & skf18("3","5","4","2","6","6","1") = "5"
    & skf18("3","5","4","2","6","7","1") = "6"
    & skf18("3","5","4","2","6","8","1") = "7"
    & skf18("3","5","4","2","6","9","1") = "8"
    & skf18("3","5","4","2","6","10","1") = "9"
    & skf18("3","5","4","2","7","1","1") = "6"
    & skf18("3","5","4","2","7","2","1") = "6"
    & skf18("3","5","4","2","7","3","1") = "6"
    & skf18("3","5","4","2","7","4","1") = "6"
    & skf18("3","5","4","2","7","5","1") = "6"
    & skf18("3","5","4","2","7","6","1") = "6"
    & skf18("3","5","4","2","7","7","1") = "6"
    & skf18("3","5","4","2","7","8","1") = "7"
    & skf18("3","5","4","2","7","9","1") = "8"
    & skf18("3","5","4","2","7","10","1") = "9"
    & skf18("3","5","4","2","8","1","1") = "7"
    & skf18("3","5","4","2","8","2","1") = "7"
    & skf18("3","5","4","2","8","3","1") = "7"
    & skf18("3","5","4","2","8","4","1") = "7"
    & skf18("3","5","4","2","8","5","1") = "7"
    & skf18("3","5","4","2","8","6","1") = "7"
    & skf18("3","5","4","2","8","7","1") = "7"
    & skf18("3","5","4","2","8","8","1") = "7"
    & skf18("3","5","4","2","8","9","1") = "8"
    & skf18("3","5","4","2","8","10","1") = "9"
    & skf18("3","5","4","2","9","1","1") = "8"
    & skf18("3","5","4","2","9","2","1") = "8"
    & skf18("3","5","4","2","9","3","1") = "8"
    & skf18("3","5","4","2","9","4","1") = "8"
    & skf18("3","5","4","2","9","5","1") = "8"
    & skf18("3","5","4","2","9","6","1") = "8"
    & skf18("3","5","4","2","9","7","1") = "8"
    & skf18("3","5","4","2","9","8","1") = "8"
    & skf18("3","5","4","2","9","9","1") = "8"
    & skf18("3","5","4","2","9","10","1") = "9"
    & skf18("3","5","4","2","10","1","1") = "9"
    & skf18("3","5","4","2","10","2","1") = "9"
    & skf18("3","5","4","2","10","3","1") = "9"
    & skf18("3","5","4","2","10","4","1") = "9"
    & skf18("3","5","4","2","10","5","1") = "9"
    & skf18("3","5","4","2","10","6","1") = "9"
    & skf18("3","5","4","2","10","7","1") = "9"
    & skf18("3","5","4","2","10","8","1") = "9"
    & skf18("3","5","4","2","10","9","1") = "9"
    & skf18("3","5","4","2","10","10","1") = "9"
    & skf18("3","5","4","3","1","1","1") = "4"
    & skf18("3","5","4","3","1","2","1") = "4"
    & skf18("3","5","4","3","1","3","1") = "4"
    & skf18("3","5","4","3","1","4","1") = "4"
    & skf18("3","5","4","3","1","5","1") = "4"
    & skf18("3","5","4","3","1","6","1") = "5"
    & skf18("3","5","4","3","1","7","1") = "6"
    & skf18("3","5","4","3","1","8","1") = "7"
    & skf18("3","5","4","3","1","9","1") = "8"
    & skf18("3","5","4","3","1","10","1") = "9"
    & skf18("3","5","4","3","2","1","1") = "4"
    & skf18("3","5","4","3","2","2","1") = "4"
    & skf18("3","5","4","3","2","3","1") = "4"
    & skf18("3","5","4","3","2","4","1") = "4"
    & skf18("3","5","4","3","2","5","1") = "4"
    & skf18("3","5","4","3","2","6","1") = "5"
    & skf18("3","5","4","3","2","7","1") = "6"
    & skf18("3","5","4","3","2","8","1") = "7"
    & skf18("3","5","4","3","2","9","1") = "8"
    & skf18("3","5","4","3","2","10","1") = "9"
    & skf18("3","5","4","3","3","1","1") = "4"
    & skf18("3","5","4","3","3","2","1") = "4"
    & skf18("3","5","4","3","3","3","1") = "4"
    & skf18("3","5","4","3","3","4","1") = "4"
    & skf18("3","5","4","3","3","5","1") = "4"
    & skf18("3","5","4","3","3","6","1") = "5"
    & skf18("3","5","4","3","3","7","1") = "6"
    & skf18("3","5","4","3","3","8","1") = "7"
    & skf18("3","5","4","3","3","9","1") = "8"
    & skf18("3","5","4","3","3","10","1") = "9"
    & skf18("3","5","4","3","4","1","1") = "4"
    & skf18("3","5","4","3","4","2","1") = "4"
    & skf18("3","5","4","3","4","3","1") = "4"
    & skf18("3","5","4","3","4","4","1") = "4"
    & skf18("3","5","4","3","4","5","1") = "4"
    & skf18("3","5","4","3","4","6","1") = "5"
    & skf18("3","5","4","3","4","7","1") = "6"
    & skf18("3","5","4","3","4","8","1") = "7"
    & skf18("3","5","4","3","4","9","1") = "8"
    & skf18("3","5","4","3","4","10","1") = "9"
    & skf18("3","5","4","3","5","1","1") = "4"
    & skf18("3","5","4","3","5","2","1") = "4"
    & skf18("3","5","4","3","5","3","1") = "4"
    & skf18("3","5","4","3","5","4","1") = "4"
    & skf18("3","5","4","3","5","5","1") = "4"
    & skf18("3","5","4","3","5","6","1") = "5"
    & skf18("3","5","4","3","5","7","1") = "6"
    & skf18("3","5","4","3","5","8","1") = "7"
    & skf18("3","5","4","3","5","9","1") = "8"
    & skf18("3","5","4","3","5","10","1") = "9"
    & skf18("3","5","4","3","6","1","1") = "5"
    & skf18("3","5","4","3","6","2","1") = "5"
    & skf18("3","5","4","3","6","3","1") = "5"
    & skf18("3","5","4","3","6","4","1") = "5"
    & skf18("3","5","4","3","6","5","1") = "5"
    & skf18("3","5","4","3","6","6","1") = "5"
    & skf18("3","5","4","3","6","7","1") = "6"
    & skf18("3","5","4","3","6","8","1") = "7"
    & skf18("3","5","4","3","6","9","1") = "8"
    & skf18("3","5","4","3","6","10","1") = "9"
    & skf18("3","5","4","3","7","1","1") = "6"
    & skf18("3","5","4","3","7","2","1") = "6"
    & skf18("3","5","4","3","7","3","1") = "6"
    & skf18("3","5","4","3","7","4","1") = "6"
    & skf18("3","5","4","3","7","5","1") = "6"
    & skf18("3","5","4","3","7","6","1") = "6"
    & skf18("3","5","4","3","7","7","1") = "6"
    & skf18("3","5","4","3","7","8","1") = "7"
    & skf18("3","5","4","3","7","9","1") = "8"
    & skf18("3","5","4","3","7","10","1") = "9"
    & skf18("3","5","4","3","8","1","1") = "7"
    & skf18("3","5","4","3","8","2","1") = "7"
    & skf18("3","5","4","3","8","3","1") = "7"
    & skf18("3","5","4","3","8","4","1") = "7"
    & skf18("3","5","4","3","8","5","1") = "7"
    & skf18("3","5","4","3","8","6","1") = "7"
    & skf18("3","5","4","3","8","7","1") = "7"
    & skf18("3","5","4","3","8","8","1") = "7"
    & skf18("3","5","4","3","8","9","1") = "8"
    & skf18("3","5","4","3","8","10","1") = "9"
    & skf18("3","5","4","3","9","1","1") = "8"
    & skf18("3","5","4","3","9","2","1") = "8"
    & skf18("3","5","4","3","9","3","1") = "8"
    & skf18("3","5","4","3","9","4","1") = "8"
    & skf18("3","5","4","3","9","5","1") = "8"
    & skf18("3","5","4","3","9","6","1") = "8"
    & skf18("3","5","4","3","9","7","1") = "8"
    & skf18("3","5","4","3","9","8","1") = "8"
    & skf18("3","5","4","3","9","9","1") = "8"
    & skf18("3","5","4","3","9","10","1") = "9"
    & skf18("3","5","4","3","10","1","1") = "9"
    & skf18("3","5","4","3","10","2","1") = "9"
    & skf18("3","5","4","3","10","3","1") = "9"
    & skf18("3","5","4","3","10","4","1") = "9"
    & skf18("3","5","4","3","10","5","1") = "9"
    & skf18("3","5","4","3","10","6","1") = "9"
    & skf18("3","5","4","3","10","7","1") = "9"
    & skf18("3","5","4","3","10","8","1") = "9"
    & skf18("3","5","4","3","10","9","1") = "9"
    & skf18("3","5","4","3","10","10","1") = "9"
    & skf18("3","5","4","4","1","1","1") = "4"
    & skf18("3","5","4","4","1","2","1") = "4"
    & skf18("3","5","4","4","1","3","1") = "4"
    & skf18("3","5","4","4","1","4","1") = "4"
    & skf18("3","5","4","4","1","5","1") = "4"
    & skf18("3","5","4","4","1","6","1") = "5"
    & skf18("3","5","4","4","1","7","1") = "6"
    & skf18("3","5","4","4","1","8","1") = "7"
    & skf18("3","5","4","4","1","9","1") = "8"
    & skf18("3","5","4","4","1","10","1") = "9"
    & skf18("3","5","4","4","2","1","1") = "4"
    & skf18("3","5","4","4","2","2","1") = "4"
    & skf18("3","5","4","4","2","3","1") = "4"
    & skf18("3","5","4","4","2","4","1") = "4"
    & skf18("3","5","4","4","2","5","1") = "4"
    & skf18("3","5","4","4","2","6","1") = "5"
    & skf18("3","5","4","4","2","7","1") = "6"
    & skf18("3","5","4","4","2","8","1") = "7"
    & skf18("3","5","4","4","2","9","1") = "8"
    & skf18("3","5","4","4","2","10","1") = "9"
    & skf18("3","5","4","4","3","1","1") = "4"
    & skf18("3","5","4","4","3","2","1") = "4"
    & skf18("3","5","4","4","3","3","1") = "4"
    & skf18("3","5","4","4","3","4","1") = "4"
    & skf18("3","5","4","4","3","5","1") = "4"
    & skf18("3","5","4","4","3","6","1") = "5"
    & skf18("3","5","4","4","3","7","1") = "6"
    & skf18("3","5","4","4","3","8","1") = "7"
    & skf18("3","5","4","4","3","9","1") = "8"
    & skf18("3","5","4","4","3","10","1") = "9"
    & skf18("3","5","4","4","4","1","1") = "4"
    & skf18("3","5","4","4","4","2","1") = "4"
    & skf18("3","5","4","4","4","3","1") = "4"
    & skf18("3","5","4","4","4","4","1") = "4"
    & skf18("3","5","4","4","4","5","1") = "4"
    & skf18("3","5","4","4","4","6","1") = "5"
    & skf18("3","5","4","4","4","7","1") = "6"
    & skf18("3","5","4","4","4","8","1") = "7"
    & skf18("3","5","4","4","4","9","1") = "8"
    & skf18("3","5","4","4","4","10","1") = "9"
    & skf18("3","5","4","4","5","1","1") = "4"
    & skf18("3","5","4","4","5","2","1") = "4"
    & skf18("3","5","4","4","5","3","1") = "4"
    & skf18("3","5","4","4","5","4","1") = "4"
    & skf18("3","5","4","4","5","5","1") = "4"
    & skf18("3","5","4","4","5","6","1") = "5"
    & skf18("3","5","4","4","5","7","1") = "6"
    & skf18("3","5","4","4","5","8","1") = "7"
    & skf18("3","5","4","4","5","9","1") = "8"
    & skf18("3","5","4","4","5","10","1") = "9"
    & skf18("3","5","4","4","6","1","1") = "5"
    & skf18("3","5","4","4","6","2","1") = "5"
    & skf18("3","5","4","4","6","3","1") = "5"
    & skf18("3","5","4","4","6","4","1") = "5"
    & skf18("3","5","4","4","6","5","1") = "5"
    & skf18("3","5","4","4","6","6","1") = "5"
    & skf18("3","5","4","4","6","7","1") = "6"
    & skf18("3","5","4","4","6","8","1") = "7"
    & skf18("3","5","4","4","6","9","1") = "8"
    & skf18("3","5","4","4","6","10","1") = "9"
    & skf18("3","5","4","4","7","1","1") = "6"
    & skf18("3","5","4","4","7","2","1") = "6"
    & skf18("3","5","4","4","7","3","1") = "6"
    & skf18("3","5","4","4","7","4","1") = "6"
    & skf18("3","5","4","4","7","5","1") = "6"
    & skf18("3","5","4","4","7","6","1") = "6"
    & skf18("3","5","4","4","7","7","1") = "6"
    & skf18("3","5","4","4","7","8","1") = "7"
    & skf18("3","5","4","4","7","9","1") = "8"
    & skf18("3","5","4","4","7","10","1") = "9"
    & skf18("3","5","4","4","8","1","1") = "7"
    & skf18("3","5","4","4","8","2","1") = "7"
    & skf18("3","5","4","4","8","3","1") = "7"
    & skf18("3","5","4","4","8","4","1") = "7"
    & skf18("3","5","4","4","8","5","1") = "7"
    & skf18("3","5","4","4","8","6","1") = "7"
    & skf18("3","5","4","4","8","7","1") = "7"
    & skf18("3","5","4","4","8","8","1") = "7"
    & skf18("3","5","4","4","8","9","1") = "8"
    & skf18("3","5","4","4","8","10","1") = "9"
    & skf18("3","5","4","4","9","1","1") = "8"
    & skf18("3","5","4","4","9","2","1") = "8"
    & skf18("3","5","4","4","9","3","1") = "8"
    & skf18("3","5","4","4","9","4","1") = "8"
    & skf18("3","5","4","4","9","5","1") = "8"
    & skf18("3","5","4","4","9","6","1") = "8"
    & skf18("3","5","4","4","9","7","1") = "8"
    & skf18("3","5","4","4","9","8","1") = "8"
    & skf18("3","5","4","4","9","9","1") = "8"
    & skf18("3","5","4","4","9","10","1") = "9"
    & skf18("3","5","4","4","10","1","1") = "9"
    & skf18("3","5","4","4","10","2","1") = "9"
    & skf18("3","5","4","4","10","3","1") = "9"
    & skf18("3","5","4","4","10","4","1") = "9"
    & skf18("3","5","4","4","10","5","1") = "9"
    & skf18("3","5","4","4","10","6","1") = "9"
    & skf18("3","5","4","4","10","7","1") = "9"
    & skf18("3","5","4","4","10","8","1") = "9"
    & skf18("3","5","4","4","10","9","1") = "9"
    & skf18("3","5","4","4","10","10","1") = "9"
    & skf18("3","5","4","5","1","1","1") = "4"
    & skf18("3","5","4","5","1","2","1") = "4"
    & skf18("3","5","4","5","1","3","1") = "4"
    & skf18("3","5","4","5","1","4","1") = "4"
    & skf18("3","5","4","5","1","5","1") = "4"
    & skf18("3","5","4","5","1","6","1") = "5"
    & skf18("3","5","4","5","1","7","1") = "6"
    & skf18("3","5","4","5","1","8","1") = "7"
    & skf18("3","5","4","5","1","9","1") = "8"
    & skf18("3","5","4","5","1","10","1") = "9"
    & skf18("3","5","4","5","2","1","1") = "4"
    & skf18("3","5","4","5","2","2","1") = "4"
    & skf18("3","5","4","5","2","3","1") = "4"
    & skf18("3","5","4","5","2","4","1") = "4"
    & skf18("3","5","4","5","2","5","1") = "4"
    & skf18("3","5","4","5","2","6","1") = "5"
    & skf18("3","5","4","5","2","7","1") = "6"
    & skf18("3","5","4","5","2","8","1") = "7"
    & skf18("3","5","4","5","2","9","1") = "8"
    & skf18("3","5","4","5","2","10","1") = "9"
    & skf18("3","5","4","5","3","1","1") = "4"
    & skf18("3","5","4","5","3","2","1") = "4"
    & skf18("3","5","4","5","3","3","1") = "4"
    & skf18("3","5","4","5","3","4","1") = "4"
    & skf18("3","5","4","5","3","5","1") = "4"
    & skf18("3","5","4","5","3","6","1") = "5"
    & skf18("3","5","4","5","3","7","1") = "6"
    & skf18("3","5","4","5","3","8","1") = "7"
    & skf18("3","5","4","5","3","9","1") = "8"
    & skf18("3","5","4","5","3","10","1") = "9"
    & skf18("3","5","4","5","4","1","1") = "4"
    & skf18("3","5","4","5","4","2","1") = "4"
    & skf18("3","5","4","5","4","3","1") = "4"
    & skf18("3","5","4","5","4","4","1") = "4"
    & skf18("3","5","4","5","4","5","1") = "4"
    & skf18("3","5","4","5","4","6","1") = "5"
    & skf18("3","5","4","5","4","7","1") = "6"
    & skf18("3","5","4","5","4","8","1") = "7"
    & skf18("3","5","4","5","4","9","1") = "8"
    & skf18("3","5","4","5","4","10","1") = "9"
    & skf18("3","5","4","5","5","1","1") = "4"
    & skf18("3","5","4","5","5","2","1") = "4"
    & skf18("3","5","4","5","5","3","1") = "4"
    & skf18("3","5","4","5","5","4","1") = "4"
    & skf18("3","5","4","5","5","5","1") = "4"
    & skf18("3","5","4","5","5","6","1") = "5"
    & skf18("3","5","4","5","5","7","1") = "6"
    & skf18("3","5","4","5","5","8","1") = "7"
    & skf18("3","5","4","5","5","9","1") = "8"
    & skf18("3","5","4","5","5","10","1") = "9"
    & skf18("3","5","4","5","6","1","1") = "5"
    & skf18("3","5","4","5","6","2","1") = "5"
    & skf18("3","5","4","5","6","3","1") = "5"
    & skf18("3","5","4","5","6","4","1") = "5"
    & skf18("3","5","4","5","6","5","1") = "5"
    & skf18("3","5","4","5","6","6","1") = "5"
    & skf18("3","5","4","5","6","7","1") = "6"
    & skf18("3","5","4","5","6","8","1") = "7"
    & skf18("3","5","4","5","6","9","1") = "8"
    & skf18("3","5","4","5","6","10","1") = "9"
    & skf18("3","5","4","5","7","1","1") = "6"
    & skf18("3","5","4","5","7","2","1") = "6"
    & skf18("3","5","4","5","7","3","1") = "6"
    & skf18("3","5","4","5","7","4","1") = "6"
    & skf18("3","5","4","5","7","5","1") = "6"
    & skf18("3","5","4","5","7","6","1") = "6"
    & skf18("3","5","4","5","7","7","1") = "6"
    & skf18("3","5","4","5","7","8","1") = "7"
    & skf18("3","5","4","5","7","9","1") = "8"
    & skf18("3","5","4","5","7","10","1") = "9"
    & skf18("3","5","4","5","8","1","1") = "7"
    & skf18("3","5","4","5","8","2","1") = "7"
    & skf18("3","5","4","5","8","3","1") = "7"
    & skf18("3","5","4","5","8","4","1") = "7"
    & skf18("3","5","4","5","8","5","1") = "7"
    & skf18("3","5","4","5","8","6","1") = "7"
    & skf18("3","5","4","5","8","7","1") = "7"
    & skf18("3","5","4","5","8","8","1") = "7"
    & skf18("3","5","4","5","8","9","1") = "8"
    & skf18("3","5","4","5","8","10","1") = "9"
    & skf18("3","5","4","5","9","1","1") = "8"
    & skf18("3","5","4","5","9","2","1") = "8"
    & skf18("3","5","4","5","9","3","1") = "8"
    & skf18("3","5","4","5","9","4","1") = "8"
    & skf18("3","5","4","5","9","5","1") = "8"
    & skf18("3","5","4","5","9","6","1") = "8"
    & skf18("3","5","4","5","9","7","1") = "8"
    & skf18("3","5","4","5","9","8","1") = "8"
    & skf18("3","5","4","5","9","9","1") = "8"
    & skf18("3","5","4","5","9","10","1") = "9"
    & skf18("3","5","4","5","10","1","1") = "9"
    & skf18("3","5","4","5","10","2","1") = "9"
    & skf18("3","5","4","5","10","3","1") = "9"
    & skf18("3","5","4","5","10","4","1") = "9"
    & skf18("3","5","4","5","10","5","1") = "9"
    & skf18("3","5","4","5","10","6","1") = "9"
    & skf18("3","5","4","5","10","7","1") = "9"
    & skf18("3","5","4","5","10","8","1") = "9"
    & skf18("3","5","4","5","10","9","1") = "9"
    & skf18("3","5","4","5","10","10","1") = "9"
    & skf18("3","5","4","6","1","1","1") = "5"
    & skf18("3","5","4","6","1","2","1") = "5"
    & skf18("3","5","4","6","1","3","1") = "5"
    & skf18("3","5","4","6","1","4","1") = "5"
    & skf18("3","5","4","6","1","5","1") = "5"
    & skf18("3","5","4","6","1","6","1") = "5"
    & skf18("3","5","4","6","1","7","1") = "6"
    & skf18("3","5","4","6","1","8","1") = "7"
    & skf18("3","5","4","6","1","9","1") = "8"
    & skf18("3","5","4","6","1","10","1") = "9"
    & skf18("3","5","4","6","2","1","1") = "5"
    & skf18("3","5","4","6","2","2","1") = "5"
    & skf18("3","5","4","6","2","3","1") = "5"
    & skf18("3","5","4","6","2","4","1") = "5"
    & skf18("3","5","4","6","2","5","1") = "5"
    & skf18("3","5","4","6","2","6","1") = "5"
    & skf18("3","5","4","6","2","7","1") = "6"
    & skf18("3","5","4","6","2","8","1") = "7"
    & skf18("3","5","4","6","2","9","1") = "8"
    & skf18("3","5","4","6","2","10","1") = "9"
    & skf18("3","5","4","6","3","1","1") = "5"
    & skf18("3","5","4","6","3","2","1") = "5"
    & skf18("3","5","4","6","3","3","1") = "5"
    & skf18("3","5","4","6","3","4","1") = "5"
    & skf18("3","5","4","6","3","5","1") = "5"
    & skf18("3","5","4","6","3","6","1") = "5"
    & skf18("3","5","4","6","3","7","1") = "6"
    & skf18("3","5","4","6","3","8","1") = "7"
    & skf18("3","5","4","6","3","9","1") = "8"
    & skf18("3","5","4","6","3","10","1") = "9"
    & skf18("3","5","4","6","4","1","1") = "5"
    & skf18("3","5","4","6","4","2","1") = "5"
    & skf18("3","5","4","6","4","3","1") = "5"
    & skf18("3","5","4","6","4","4","1") = "5"
    & skf18("3","5","4","6","4","5","1") = "5"
    & skf18("3","5","4","6","4","6","1") = "5"
    & skf18("3","5","4","6","4","7","1") = "6"
    & skf18("3","5","4","6","4","8","1") = "7"
    & skf18("3","5","4","6","4","9","1") = "8"
    & skf18("3","5","4","6","4","10","1") = "9"
    & skf18("3","5","4","6","5","1","1") = "5"
    & skf18("3","5","4","6","5","2","1") = "5"
    & skf18("3","5","4","6","5","3","1") = "5"
    & skf18("3","5","4","6","5","4","1") = "5"
    & skf18("3","5","4","6","5","5","1") = "5"
    & skf18("3","5","4","6","5","6","1") = "5"
    & skf18("3","5","4","6","5","7","1") = "6"
    & skf18("3","5","4","6","5","8","1") = "7"
    & skf18("3","5","4","6","5","9","1") = "8"
    & skf18("3","5","4","6","5","10","1") = "9"
    & skf18("3","5","4","6","6","1","1") = "5"
    & skf18("3","5","4","6","6","2","1") = "5"
    & skf18("3","5","4","6","6","3","1") = "5"
    & skf18("3","5","4","6","6","4","1") = "5"
    & skf18("3","5","4","6","6","5","1") = "5"
    & skf18("3","5","4","6","6","6","1") = "5"
    & skf18("3","5","4","6","6","7","1") = "6"
    & skf18("3","5","4","6","6","8","1") = "7"
    & skf18("3","5","4","6","6","9","1") = "8"
    & skf18("3","5","4","6","6","10","1") = "9"
    & skf18("3","5","4","6","7","1","1") = "6"
    & skf18("3","5","4","6","7","2","1") = "6"
    & skf18("3","5","4","6","7","3","1") = "6"
    & skf18("3","5","4","6","7","4","1") = "6"
    & skf18("3","5","4","6","7","5","1") = "6"
    & skf18("3","5","4","6","7","6","1") = "6"
    & skf18("3","5","4","6","7","7","1") = "6"
    & skf18("3","5","4","6","7","8","1") = "7"
    & skf18("3","5","4","6","7","9","1") = "8"
    & skf18("3","5","4","6","7","10","1") = "9"
    & skf18("3","5","4","6","8","1","1") = "7"
    & skf18("3","5","4","6","8","2","1") = "7"
    & skf18("3","5","4","6","8","3","1") = "7"
    & skf18("3","5","4","6","8","4","1") = "7"
    & skf18("3","5","4","6","8","5","1") = "7"
    & skf18("3","5","4","6","8","6","1") = "7"
    & skf18("3","5","4","6","8","7","1") = "7"
    & skf18("3","5","4","6","8","8","1") = "7"
    & skf18("3","5","4","6","8","9","1") = "8"
    & skf18("3","5","4","6","8","10","1") = "9"
    & skf18("3","5","4","6","9","1","1") = "8"
    & skf18("3","5","4","6","9","2","1") = "8"
    & skf18("3","5","4","6","9","3","1") = "8"
    & skf18("3","5","4","6","9","4","1") = "8"
    & skf18("3","5","4","6","9","5","1") = "8"
    & skf18("3","5","4","6","9","6","1") = "8"
    & skf18("3","5","4","6","9","7","1") = "8"
    & skf18("3","5","4","6","9","8","1") = "8"
    & skf18("3","5","4","6","9","9","1") = "8"
    & skf18("3","5","4","6","9","10","1") = "9"
    & skf18("3","5","4","6","10","1","1") = "9"
    & skf18("3","5","4","6","10","2","1") = "9"
    & skf18("3","5","4","6","10","3","1") = "9"
    & skf18("3","5","4","6","10","4","1") = "9"
    & skf18("3","5","4","6","10","5","1") = "9"
    & skf18("3","5","4","6","10","6","1") = "9"
    & skf18("3","5","4","6","10","7","1") = "9"
    & skf18("3","5","4","6","10","8","1") = "9"
    & skf18("3","5","4","6","10","9","1") = "9"
    & skf18("3","5","4","6","10","10","1") = "9"
    & skf18("3","5","4","7","1","1","1") = "6"
    & skf18("3","5","4","7","1","2","1") = "6"
    & skf18("3","5","4","7","1","3","1") = "6"
    & skf18("3","5","4","7","1","4","1") = "6"
    & skf18("3","5","4","7","1","5","1") = "6"
    & skf18("3","5","4","7","1","6","1") = "6"
    & skf18("3","5","4","7","1","7","1") = "6"
    & skf18("3","5","4","7","1","8","1") = "7"
    & skf18("3","5","4","7","1","9","1") = "8"
    & skf18("3","5","4","7","1","10","1") = "9"
    & skf18("3","5","4","7","2","1","1") = "6"
    & skf18("3","5","4","7","2","2","1") = "6"
    & skf18("3","5","4","7","2","3","1") = "6"
    & skf18("3","5","4","7","2","4","1") = "6"
    & skf18("3","5","4","7","2","5","1") = "6"
    & skf18("3","5","4","7","2","6","1") = "6"
    & skf18("3","5","4","7","2","7","1") = "6"
    & skf18("3","5","4","7","2","8","1") = "7"
    & skf18("3","5","4","7","2","9","1") = "8"
    & skf18("3","5","4","7","2","10","1") = "9"
    & skf18("3","5","4","7","3","1","1") = "6"
    & skf18("3","5","4","7","3","2","1") = "6"
    & skf18("3","5","4","7","3","3","1") = "6"
    & skf18("3","5","4","7","3","4","1") = "6"
    & skf18("3","5","4","7","3","5","1") = "6"
    & skf18("3","5","4","7","3","6","1") = "6"
    & skf18("3","5","4","7","3","7","1") = "6"
    & skf18("3","5","4","7","3","8","1") = "7"
    & skf18("3","5","4","7","3","9","1") = "8"
    & skf18("3","5","4","7","3","10","1") = "9"
    & skf18("3","5","4","7","4","1","1") = "6"
    & skf18("3","5","4","7","4","2","1") = "6"
    & skf18("3","5","4","7","4","3","1") = "6"
    & skf18("3","5","4","7","4","4","1") = "6"
    & skf18("3","5","4","7","4","5","1") = "6"
    & skf18("3","5","4","7","4","6","1") = "6"
    & skf18("3","5","4","7","4","7","1") = "6"
    & skf18("3","5","4","7","4","8","1") = "7"
    & skf18("3","5","4","7","4","9","1") = "8"
    & skf18("3","5","4","7","4","10","1") = "9"
    & skf18("3","5","4","7","5","1","1") = "6"
    & skf18("3","5","4","7","5","2","1") = "6"
    & skf18("3","5","4","7","5","3","1") = "6"
    & skf18("3","5","4","7","5","4","1") = "6"
    & skf18("3","5","4","7","5","5","1") = "6"
    & skf18("3","5","4","7","5","6","1") = "6"
    & skf18("3","5","4","7","5","7","1") = "6"
    & skf18("3","5","4","7","5","8","1") = "7"
    & skf18("3","5","4","7","5","9","1") = "8"
    & skf18("3","5","4","7","5","10","1") = "9"
    & skf18("3","5","4","7","6","1","1") = "6"
    & skf18("3","5","4","7","6","2","1") = "6"
    & skf18("3","5","4","7","6","3","1") = "6"
    & skf18("3","5","4","7","6","4","1") = "6"
    & skf18("3","5","4","7","6","5","1") = "6"
    & skf18("3","5","4","7","6","6","1") = "6"
    & skf18("3","5","4","7","6","7","1") = "6"
    & skf18("3","5","4","7","6","8","1") = "7"
    & skf18("3","5","4","7","6","9","1") = "8"
    & skf18("3","5","4","7","6","10","1") = "9"
    & skf18("3","5","4","7","7","1","1") = "6"
    & skf18("3","5","4","7","7","2","1") = "6"
    & skf18("3","5","4","7","7","3","1") = "6"
    & skf18("3","5","4","7","7","4","1") = "6"
    & skf18("3","5","4","7","7","5","1") = "6"
    & skf18("3","5","4","7","7","6","1") = "6"
    & skf18("3","5","4","7","7","7","1") = "6"
    & skf18("3","5","4","7","7","8","1") = "7"
    & skf18("3","5","4","7","7","9","1") = "8"
    & skf18("3","5","4","7","7","10","1") = "9"
    & skf18("3","5","4","7","8","1","1") = "7"
    & skf18("3","5","4","7","8","2","1") = "7"
    & skf18("3","5","4","7","8","3","1") = "7"
    & skf18("3","5","4","7","8","4","1") = "7"
    & skf18("3","5","4","7","8","5","1") = "7"
    & skf18("3","5","4","7","8","6","1") = "7"
    & skf18("3","5","4","7","8","7","1") = "7"
    & skf18("3","5","4","7","8","8","1") = "7"
    & skf18("3","5","4","7","8","9","1") = "8"
    & skf18("3","5","4","7","8","10","1") = "9"
    & skf18("3","5","4","7","9","1","1") = "8"
    & skf18("3","5","4","7","9","2","1") = "8"
    & skf18("3","5","4","7","9","3","1") = "8"
    & skf18("3","5","4","7","9","4","1") = "8"
    & skf18("3","5","4","7","9","5","1") = "8"
    & skf18("3","5","4","7","9","6","1") = "8"
    & skf18("3","5","4","7","9","7","1") = "8"
    & skf18("3","5","4","7","9","8","1") = "8"
    & skf18("3","5","4","7","9","9","1") = "8"
    & skf18("3","5","4","7","9","10","1") = "9"
    & skf18("3","5","4","7","10","1","1") = "9"
    & skf18("3","5","4","7","10","2","1") = "9"
    & skf18("3","5","4","7","10","3","1") = "9"
    & skf18("3","5","4","7","10","4","1") = "9"
    & skf18("3","5","4","7","10","5","1") = "9"
    & skf18("3","5","4","7","10","6","1") = "9"
    & skf18("3","5","4","7","10","7","1") = "9"
    & skf18("3","5","4","7","10","8","1") = "9"
    & skf18("3","5","4","7","10","9","1") = "9"
    & skf18("3","5","4","7","10","10","1") = "9"
    & skf18("3","5","4","8","1","1","1") = "7"
    & skf18("3","5","4","8","1","2","1") = "7"
    & skf18("3","5","4","8","1","3","1") = "7"
    & skf18("3","5","4","8","1","4","1") = "7"
    & skf18("3","5","4","8","1","5","1") = "7"
    & skf18("3","5","4","8","1","6","1") = "7"
    & skf18("3","5","4","8","1","7","1") = "7"
    & skf18("3","5","4","8","1","8","1") = "7"
    & skf18("3","5","4","8","1","9","1") = "8"
    & skf18("3","5","4","8","1","10","1") = "9"
    & skf18("3","5","4","8","2","1","1") = "7"
    & skf18("3","5","4","8","2","2","1") = "7"
    & skf18("3","5","4","8","2","3","1") = "7"
    & skf18("3","5","4","8","2","4","1") = "7"
    & skf18("3","5","4","8","2","5","1") = "7"
    & skf18("3","5","4","8","2","6","1") = "7"
    & skf18("3","5","4","8","2","7","1") = "7"
    & skf18("3","5","4","8","2","8","1") = "7"
    & skf18("3","5","4","8","2","9","1") = "8"
    & skf18("3","5","4","8","2","10","1") = "9"
    & skf18("3","5","4","8","3","1","1") = "7"
    & skf18("3","5","4","8","3","2","1") = "7"
    & skf18("3","5","4","8","3","3","1") = "7"
    & skf18("3","5","4","8","3","4","1") = "7"
    & skf18("3","5","4","8","3","5","1") = "7"
    & skf18("3","5","4","8","3","6","1") = "7"
    & skf18("3","5","4","8","3","7","1") = "7"
    & skf18("3","5","4","8","3","8","1") = "7"
    & skf18("3","5","4","8","3","9","1") = "8"
    & skf18("3","5","4","8","3","10","1") = "9"
    & skf18("3","5","4","8","4","1","1") = "7"
    & skf18("3","5","4","8","4","2","1") = "7"
    & skf18("3","5","4","8","4","3","1") = "7"
    & skf18("3","5","4","8","4","4","1") = "7"
    & skf18("3","5","4","8","4","5","1") = "7"
    & skf18("3","5","4","8","4","6","1") = "7"
    & skf18("3","5","4","8","4","7","1") = "7"
    & skf18("3","5","4","8","4","8","1") = "7"
    & skf18("3","5","4","8","4","9","1") = "8"
    & skf18("3","5","4","8","4","10","1") = "9"
    & skf18("3","5","4","8","5","1","1") = "7"
    & skf18("3","5","4","8","5","2","1") = "7"
    & skf18("3","5","4","8","5","3","1") = "7"
    & skf18("3","5","4","8","5","4","1") = "7"
    & skf18("3","5","4","8","5","5","1") = "7"
    & skf18("3","5","4","8","5","6","1") = "7"
    & skf18("3","5","4","8","5","7","1") = "7"
    & skf18("3","5","4","8","5","8","1") = "7"
    & skf18("3","5","4","8","5","9","1") = "8"
    & skf18("3","5","4","8","5","10","1") = "9"
    & skf18("3","5","4","8","6","1","1") = "7"
    & skf18("3","5","4","8","6","2","1") = "7"
    & skf18("3","5","4","8","6","3","1") = "7"
    & skf18("3","5","4","8","6","4","1") = "7"
    & skf18("3","5","4","8","6","5","1") = "7"
    & skf18("3","5","4","8","6","6","1") = "7"
    & skf18("3","5","4","8","6","7","1") = "7"
    & skf18("3","5","4","8","6","8","1") = "7"
    & skf18("3","5","4","8","6","9","1") = "8"
    & skf18("3","5","4","8","6","10","1") = "9"
    & skf18("3","5","4","8","7","1","1") = "7"
    & skf18("3","5","4","8","7","2","1") = "7"
    & skf18("3","5","4","8","7","3","1") = "7"
    & skf18("3","5","4","8","7","4","1") = "7"
    & skf18("3","5","4","8","7","5","1") = "7"
    & skf18("3","5","4","8","7","6","1") = "7"
    & skf18("3","5","4","8","7","7","1") = "7"
    & skf18("3","5","4","8","7","8","1") = "7"
    & skf18("3","5","4","8","7","9","1") = "8"
    & skf18("3","5","4","8","7","10","1") = "9"
    & skf18("3","5","4","8","8","1","1") = "7"
    & skf18("3","5","4","8","8","2","1") = "7"
    & skf18("3","5","4","8","8","3","1") = "7"
    & skf18("3","5","4","8","8","4","1") = "7"
    & skf18("3","5","4","8","8","5","1") = "7"
    & skf18("3","5","4","8","8","6","1") = "7"
    & skf18("3","5","4","8","8","7","1") = "7"
    & skf18("3","5","4","8","8","8","1") = "7"
    & skf18("3","5","4","8","8","9","1") = "8"
    & skf18("3","5","4","8","8","10","1") = "9"
    & skf18("3","5","4","8","9","1","1") = "8"
    & skf18("3","5","4","8","9","2","1") = "8"
    & skf18("3","5","4","8","9","3","1") = "8"
    & skf18("3","5","4","8","9","4","1") = "8"
    & skf18("3","5","4","8","9","5","1") = "8"
    & skf18("3","5","4","8","9","6","1") = "8"
    & skf18("3","5","4","8","9","7","1") = "8"
    & skf18("3","5","4","8","9","8","1") = "8"
    & skf18("3","5","4","8","9","9","1") = "8"
    & skf18("3","5","4","8","9","10","1") = "9"
    & skf18("3","5","4","8","10","1","1") = "9"
    & skf18("3","5","4","8","10","2","1") = "9"
    & skf18("3","5","4","8","10","3","1") = "9"
    & skf18("3","5","4","8","10","4","1") = "9"
    & skf18("3","5","4","8","10","5","1") = "9"
    & skf18("3","5","4","8","10","6","1") = "9"
    & skf18("3","5","4","8","10","7","1") = "9"
    & skf18("3","5","4","8","10","8","1") = "9"
    & skf18("3","5","4","8","10","9","1") = "9"
    & skf18("3","5","4","8","10","10","1") = "9"
    & skf18("3","5","4","9","1","1","1") = "8"
    & skf18("3","5","4","9","1","2","1") = "8"
    & skf18("3","5","4","9","1","3","1") = "8"
    & skf18("3","5","4","9","1","4","1") = "8"
    & skf18("3","5","4","9","1","5","1") = "8"
    & skf18("3","5","4","9","1","6","1") = "8"
    & skf18("3","5","4","9","1","7","1") = "8"
    & skf18("3","5","4","9","1","8","1") = "8"
    & skf18("3","5","4","9","1","9","1") = "8"
    & skf18("3","5","4","9","1","10","1") = "9"
    & skf18("3","5","4","9","2","1","1") = "8"
    & skf18("3","5","4","9","2","2","1") = "8"
    & skf18("3","5","4","9","2","3","1") = "8"
    & skf18("3","5","4","9","2","4","1") = "8"
    & skf18("3","5","4","9","2","5","1") = "8"
    & skf18("3","5","4","9","2","6","1") = "8"
    & skf18("3","5","4","9","2","7","1") = "8"
    & skf18("3","5","4","9","2","8","1") = "8"
    & skf18("3","5","4","9","2","9","1") = "8"
    & skf18("3","5","4","9","2","10","1") = "9"
    & skf18("3","5","4","9","3","1","1") = "8"
    & skf18("3","5","4","9","3","2","1") = "8"
    & skf18("3","5","4","9","3","3","1") = "8"
    & skf18("3","5","4","9","3","4","1") = "8"
    & skf18("3","5","4","9","3","5","1") = "8"
    & skf18("3","5","4","9","3","6","1") = "8"
    & skf18("3","5","4","9","3","7","1") = "8"
    & skf18("3","5","4","9","3","8","1") = "8"
    & skf18("3","5","4","9","3","9","1") = "8"
    & skf18("3","5","4","9","3","10","1") = "9"
    & skf18("3","5","4","9","4","1","1") = "8"
    & skf18("3","5","4","9","4","2","1") = "8"
    & skf18("3","5","4","9","4","3","1") = "8"
    & skf18("3","5","4","9","4","4","1") = "8"
    & skf18("3","5","4","9","4","5","1") = "8"
    & skf18("3","5","4","9","4","6","1") = "8"
    & skf18("3","5","4","9","4","7","1") = "8"
    & skf18("3","5","4","9","4","8","1") = "8"
    & skf18("3","5","4","9","4","9","1") = "8"
    & skf18("3","5","4","9","4","10","1") = "9"
    & skf18("3","5","4","9","5","1","1") = "8"
    & skf18("3","5","4","9","5","2","1") = "8"
    & skf18("3","5","4","9","5","3","1") = "8"
    & skf18("3","5","4","9","5","4","1") = "8"
    & skf18("3","5","4","9","5","5","1") = "8"
    & skf18("3","5","4","9","5","6","1") = "8"
    & skf18("3","5","4","9","5","7","1") = "8"
    & skf18("3","5","4","9","5","8","1") = "8"
    & skf18("3","5","4","9","5","9","1") = "8"
    & skf18("3","5","4","9","5","10","1") = "9"
    & skf18("3","5","4","9","6","1","1") = "8"
    & skf18("3","5","4","9","6","2","1") = "8"
    & skf18("3","5","4","9","6","3","1") = "8"
    & skf18("3","5","4","9","6","4","1") = "8"
    & skf18("3","5","4","9","6","5","1") = "8"
    & skf18("3","5","4","9","6","6","1") = "8"
    & skf18("3","5","4","9","6","7","1") = "8"
    & skf18("3","5","4","9","6","8","1") = "8"
    & skf18("3","5","4","9","6","9","1") = "8"
    & skf18("3","5","4","9","6","10","1") = "9"
    & skf18("3","5","4","9","7","1","1") = "8"
    & skf18("3","5","4","9","7","2","1") = "8"
    & skf18("3","5","4","9","7","3","1") = "8"
    & skf18("3","5","4","9","7","4","1") = "8"
    & skf18("3","5","4","9","7","5","1") = "8"
    & skf18("3","5","4","9","7","6","1") = "8"
    & skf18("3","5","4","9","7","7","1") = "8"
    & skf18("3","5","4","9","7","8","1") = "8"
    & skf18("3","5","4","9","7","9","1") = "8"
    & skf18("3","5","4","9","7","10","1") = "9"
    & skf18("3","5","4","9","8","1","1") = "8"
    & skf18("3","5","4","9","8","2","1") = "8"
    & skf18("3","5","4","9","8","3","1") = "8"
    & skf18("3","5","4","9","8","4","1") = "8"
    & skf18("3","5","4","9","8","5","1") = "8"
    & skf18("3","5","4","9","8","6","1") = "8"
    & skf18("3","5","4","9","8","7","1") = "8"
    & skf18("3","5","4","9","8","8","1") = "8"
    & skf18("3","5","4","9","8","9","1") = "8"
    & skf18("3","5","4","9","8","10","1") = "9"
    & skf18("3","5","4","9","9","1","1") = "8"
    & skf18("3","5","4","9","9","2","1") = "8"
    & skf18("3","5","4","9","9","3","1") = "8"
    & skf18("3","5","4","9","9","4","1") = "8"
    & skf18("3","5","4","9","9","5","1") = "8"
    & skf18("3","5","4","9","9","6","1") = "8"
    & skf18("3","5","4","9","9","7","1") = "8"
    & skf18("3","5","4","9","9","8","1") = "8"
    & skf18("3","5","4","9","9","9","1") = "8"
    & skf18("3","5","4","9","9","10","1") = "9"
    & skf18("3","5","4","9","10","1","1") = "9"
    & skf18("3","5","4","9","10","2","1") = "9"
    & skf18("3","5","4","9","10","3","1") = "9"
    & skf18("3","5","4","9","10","4","1") = "9"
    & skf18("3","5","4","9","10","5","1") = "9"
    & skf18("3","5","4","9","10","6","1") = "9"
    & skf18("3","5","4","9","10","7","1") = "9"
    & skf18("3","5","4","9","10","8","1") = "9"
    & skf18("3","5","4","9","10","9","1") = "9"
    & skf18("3","5","4","9","10","10","1") = "9"
    & skf18("3","5","4","10","1","1","1") = "9"
    & skf18("3","5","4","10","1","2","1") = "9"
    & skf18("3","5","4","10","1","3","1") = "9"
    & skf18("3","5","4","10","1","4","1") = "9"
    & skf18("3","5","4","10","1","5","1") = "9"
    & skf18("3","5","4","10","1","6","1") = "9"
    & skf18("3","5","4","10","1","7","1") = "9"
    & skf18("3","5","4","10","1","8","1") = "9"
    & skf18("3","5","4","10","1","9","1") = "9"
    & skf18("3","5","4","10","1","10","1") = "9"
    & skf18("3","5","4","10","2","1","1") = "9"
    & skf18("3","5","4","10","2","2","1") = "9"
    & skf18("3","5","4","10","2","3","1") = "9"
    & skf18("3","5","4","10","2","4","1") = "9"
    & skf18("3","5","4","10","2","5","1") = "9"
    & skf18("3","5","4","10","2","6","1") = "9"
    & skf18("3","5","4","10","2","7","1") = "9"
    & skf18("3","5","4","10","2","8","1") = "9"
    & skf18("3","5","4","10","2","9","1") = "9"
    & skf18("3","5","4","10","2","10","1") = "9"
    & skf18("3","5","4","10","3","1","1") = "9"
    & skf18("3","5","4","10","3","2","1") = "9"
    & skf18("3","5","4","10","3","3","1") = "9"
    & skf18("3","5","4","10","3","4","1") = "9"
    & skf18("3","5","4","10","3","5","1") = "9"
    & skf18("3","5","4","10","3","6","1") = "9"
    & skf18("3","5","4","10","3","7","1") = "9"
    & skf18("3","5","4","10","3","8","1") = "9"
    & skf18("3","5","4","10","3","9","1") = "9"
    & skf18("3","5","4","10","3","10","1") = "9"
    & skf18("3","5","4","10","4","1","1") = "9"
    & skf18("3","5","4","10","4","2","1") = "9"
    & skf18("3","5","4","10","4","3","1") = "9"
    & skf18("3","5","4","10","4","4","1") = "9"
    & skf18("3","5","4","10","4","5","1") = "9"
    & skf18("3","5","4","10","4","6","1") = "9"
    & skf18("3","5","4","10","4","7","1") = "9"
    & skf18("3","5","4","10","4","8","1") = "9"
    & skf18("3","5","4","10","4","9","1") = "9"
    & skf18("3","5","4","10","4","10","1") = "9"
    & skf18("3","5","4","10","5","1","1") = "9"
    & skf18("3","5","4","10","5","2","1") = "9"
    & skf18("3","5","4","10","5","3","1") = "9"
    & skf18("3","5","4","10","5","4","1") = "9"
    & skf18("3","5","4","10","5","5","1") = "9"
    & skf18("3","5","4","10","5","6","1") = "9"
    & skf18("3","5","4","10","5","7","1") = "9"
    & skf18("3","5","4","10","5","8","1") = "9"
    & skf18("3","5","4","10","5","9","1") = "9"
    & skf18("3","5","4","10","5","10","1") = "9"
    & skf18("3","5","4","10","6","1","1") = "9"
    & skf18("3","5","4","10","6","2","1") = "9"
    & skf18("3","5","4","10","6","3","1") = "9"
    & skf18("3","5","4","10","6","4","1") = "9"
    & skf18("3","5","4","10","6","5","1") = "9"
    & skf18("3","5","4","10","6","6","1") = "9"
    & skf18("3","5","4","10","6","7","1") = "9"
    & skf18("3","5","4","10","6","8","1") = "9"
    & skf18("3","5","4","10","6","9","1") = "9"
    & skf18("3","5","4","10","6","10","1") = "9"
    & skf18("3","5","4","10","7","1","1") = "9"
    & skf18("3","5","4","10","7","2","1") = "9"
    & skf18("3","5","4","10","7","3","1") = "9"
    & skf18("3","5","4","10","7","4","1") = "9"
    & skf18("3","5","4","10","7","5","1") = "9"
    & skf18("3","5","4","10","7","6","1") = "9"
    & skf18("3","5","4","10","7","7","1") = "9"
    & skf18("3","5","4","10","7","8","1") = "9"
    & skf18("3","5","4","10","7","9","1") = "9"
    & skf18("3","5","4","10","7","10","1") = "9"
    & skf18("3","5","4","10","8","1","1") = "9"
    & skf18("3","5","4","10","8","2","1") = "9"
    & skf18("3","5","4","10","8","3","1") = "9"
    & skf18("3","5","4","10","8","4","1") = "9"
    & skf18("3","5","4","10","8","5","1") = "9"
    & skf18("3","5","4","10","8","6","1") = "9"
    & skf18("3","5","4","10","8","7","1") = "9"
    & skf18("3","5","4","10","8","8","1") = "9"
    & skf18("3","5","4","10","8","9","1") = "9"
    & skf18("3","5","4","10","8","10","1") = "9"
    & skf18("3","5","4","10","9","1","1") = "9"
    & skf18("3","5","4","10","9","2","1") = "9"
    & skf18("3","5","4","10","9","3","1") = "9"
    & skf18("3","5","4","10","9","4","1") = "9"
    & skf18("3","5","4","10","9","5","1") = "9"
    & skf18("3","5","4","10","9","6","1") = "9"
    & skf18("3","5","4","10","9","7","1") = "9"
    & skf18("3","5","4","10","9","8","1") = "9"
    & skf18("3","5","4","10","9","9","1") = "9"
    & skf18("3","5","4","10","9","10","1") = "9"
    & skf18("3","5","4","10","10","1","1") = "9"
    & skf18("3","5","4","10","10","2","1") = "9"
    & skf18("3","5","4","10","10","3","1") = "9"
    & skf18("3","5","4","10","10","4","1") = "9"
    & skf18("3","5","4","10","10","5","1") = "9"
    & skf18("3","5","4","10","10","6","1") = "9"
    & skf18("3","5","4","10","10","7","1") = "9"
    & skf18("3","5","4","10","10","8","1") = "9"
    & skf18("3","5","4","10","10","9","1") = "9"
    & skf18("3","5","4","10","10","10","1") = "9"
    & skf18("3","5","5","1","1","1","1") = "4"
    & skf18("3","5","5","1","1","2","1") = "4"
    & skf18("3","5","5","1","1","3","1") = "4"
    & skf18("3","5","5","1","1","4","1") = "4"
    & skf18("3","5","5","1","1","5","1") = "4"
    & skf18("3","5","5","1","1","6","1") = "5"
    & skf18("3","5","5","1","1","7","1") = "6"
    & skf18("3","5","5","1","1","8","1") = "7"
    & skf18("3","5","5","1","1","9","1") = "8"
    & skf18("3","5","5","1","1","10","1") = "9"
    & skf18("3","5","5","1","2","1","1") = "4"
    & skf18("3","5","5","1","2","2","1") = "4"
    & skf18("3","5","5","1","2","3","1") = "4"
    & skf18("3","5","5","1","2","4","1") = "4"
    & skf18("3","5","5","1","2","5","1") = "4"
    & skf18("3","5","5","1","2","6","1") = "5"
    & skf18("3","5","5","1","2","7","1") = "6"
    & skf18("3","5","5","1","2","8","1") = "7"
    & skf18("3","5","5","1","2","9","1") = "8"
    & skf18("3","5","5","1","2","10","1") = "9"
    & skf18("3","5","5","1","3","1","1") = "4"
    & skf18("3","5","5","1","3","2","1") = "4"
    & skf18("3","5","5","1","3","3","1") = "4"
    & skf18("3","5","5","1","3","4","1") = "4"
    & skf18("3","5","5","1","3","5","1") = "4"
    & skf18("3","5","5","1","3","6","1") = "5"
    & skf18("3","5","5","1","3","7","1") = "6"
    & skf18("3","5","5","1","3","8","1") = "7"
    & skf18("3","5","5","1","3","9","1") = "8"
    & skf18("3","5","5","1","3","10","1") = "9"
    & skf18("3","5","5","1","4","1","1") = "4"
    & skf18("3","5","5","1","4","2","1") = "4"
    & skf18("3","5","5","1","4","3","1") = "4"
    & skf18("3","5","5","1","4","4","1") = "4"
    & skf18("3","5","5","1","4","5","1") = "4"
    & skf18("3","5","5","1","4","6","1") = "5"
    & skf18("3","5","5","1","4","7","1") = "6"
    & skf18("3","5","5","1","4","8","1") = "7"
    & skf18("3","5","5","1","4","9","1") = "8"
    & skf18("3","5","5","1","4","10","1") = "9"
    & skf18("3","5","5","1","5","1","1") = "4"
    & skf18("3","5","5","1","5","2","1") = "4"
    & skf18("3","5","5","1","5","3","1") = "4"
    & skf18("3","5","5","1","5","4","1") = "4"
    & skf18("3","5","5","1","5","5","1") = "4"
    & skf18("3","5","5","1","5","6","1") = "5"
    & skf18("3","5","5","1","5","7","1") = "6"
    & skf18("3","5","5","1","5","8","1") = "7"
    & skf18("3","5","5","1","5","9","1") = "8"
    & skf18("3","5","5","1","5","10","1") = "9"
    & skf18("3","5","5","1","6","1","1") = "5"
    & skf18("3","5","5","1","6","2","1") = "5"
    & skf18("3","5","5","1","6","3","1") = "5"
    & skf18("3","5","5","1","6","4","1") = "5"
    & skf18("3","5","5","1","6","5","1") = "5"
    & skf18("3","5","5","1","6","6","1") = "5"
    & skf18("3","5","5","1","6","7","1") = "6"
    & skf18("3","5","5","1","6","8","1") = "7"
    & skf18("3","5","5","1","6","9","1") = "8"
    & skf18("3","5","5","1","6","10","1") = "9"
    & skf18("3","5","5","1","7","1","1") = "6"
    & skf18("3","5","5","1","7","2","1") = "6"
    & skf18("3","5","5","1","7","3","1") = "6"
    & skf18("3","5","5","1","7","4","1") = "6"
    & skf18("3","5","5","1","7","5","1") = "6"
    & skf18("3","5","5","1","7","6","1") = "6"
    & skf18("3","5","5","1","7","7","1") = "6"
    & skf18("3","5","5","1","7","8","1") = "7"
    & skf18("3","5","5","1","7","9","1") = "8"
    & skf18("3","5","5","1","7","10","1") = "9"
    & skf18("3","5","5","1","8","1","1") = "7"
    & skf18("3","5","5","1","8","2","1") = "7"
    & skf18("3","5","5","1","8","3","1") = "7"
    & skf18("3","5","5","1","8","4","1") = "7"
    & skf18("3","5","5","1","8","5","1") = "7"
    & skf18("3","5","5","1","8","6","1") = "7"
    & skf18("3","5","5","1","8","7","1") = "7"
    & skf18("3","5","5","1","8","8","1") = "7"
    & skf18("3","5","5","1","8","9","1") = "8"
    & skf18("3","5","5","1","8","10","1") = "9"
    & skf18("3","5","5","1","9","1","1") = "8"
    & skf18("3","5","5","1","9","2","1") = "8"
    & skf18("3","5","5","1","9","3","1") = "8"
    & skf18("3","5","5","1","9","4","1") = "8"
    & skf18("3","5","5","1","9","5","1") = "8"
    & skf18("3","5","5","1","9","6","1") = "8"
    & skf18("3","5","5","1","9","7","1") = "8"
    & skf18("3","5","5","1","9","8","1") = "8"
    & skf18("3","5","5","1","9","9","1") = "8"
    & skf18("3","5","5","1","9","10","1") = "9"
    & skf18("3","5","5","1","10","1","1") = "9"
    & skf18("3","5","5","1","10","2","1") = "9"
    & skf18("3","5","5","1","10","3","1") = "9"
    & skf18("3","5","5","1","10","4","1") = "9"
    & skf18("3","5","5","1","10","5","1") = "9"
    & skf18("3","5","5","1","10","6","1") = "9"
    & skf18("3","5","5","1","10","7","1") = "9"
    & skf18("3","5","5","1","10","8","1") = "9"
    & skf18("3","5","5","1","10","9","1") = "9"
    & skf18("3","5","5","1","10","10","1") = "9"
    & skf18("3","5","5","2","1","1","1") = "4"
    & skf18("3","5","5","2","1","2","1") = "4"
    & skf18("3","5","5","2","1","3","1") = "4"
    & skf18("3","5","5","2","1","4","1") = "4"
    & skf18("3","5","5","2","1","5","1") = "4"
    & skf18("3","5","5","2","1","6","1") = "5"
    & skf18("3","5","5","2","1","7","1") = "6"
    & skf18("3","5","5","2","1","8","1") = "7"
    & skf18("3","5","5","2","1","9","1") = "8"
    & skf18("3","5","5","2","1","10","1") = "9"
    & skf18("3","5","5","2","2","1","1") = "4"
    & skf18("3","5","5","2","2","2","1") = "4"
    & skf18("3","5","5","2","2","3","1") = "4"
    & skf18("3","5","5","2","2","4","1") = "4"
    & skf18("3","5","5","2","2","5","1") = "4"
    & skf18("3","5","5","2","2","6","1") = "5"
    & skf18("3","5","5","2","2","7","1") = "6"
    & skf18("3","5","5","2","2","8","1") = "7"
    & skf18("3","5","5","2","2","9","1") = "8"
    & skf18("3","5","5","2","2","10","1") = "9"
    & skf18("3","5","5","2","3","1","1") = "4"
    & skf18("3","5","5","2","3","2","1") = "4"
    & skf18("3","5","5","2","3","3","1") = "4"
    & skf18("3","5","5","2","3","4","1") = "4"
    & skf18("3","5","5","2","3","5","1") = "4"
    & skf18("3","5","5","2","3","6","1") = "5"
    & skf18("3","5","5","2","3","7","1") = "6"
    & skf18("3","5","5","2","3","8","1") = "7"
    & skf18("3","5","5","2","3","9","1") = "8"
    & skf18("3","5","5","2","3","10","1") = "9"
    & skf18("3","5","5","2","4","1","1") = "4"
    & skf18("3","5","5","2","4","2","1") = "4"
    & skf18("3","5","5","2","4","3","1") = "4"
    & skf18("3","5","5","2","4","4","1") = "4"
    & skf18("3","5","5","2","4","5","1") = "4"
    & skf18("3","5","5","2","4","6","1") = "5"
    & skf18("3","5","5","2","4","7","1") = "6"
    & skf18("3","5","5","2","4","8","1") = "7"
    & skf18("3","5","5","2","4","9","1") = "8"
    & skf18("3","5","5","2","4","10","1") = "9"
    & skf18("3","5","5","2","5","1","1") = "4"
    & skf18("3","5","5","2","5","2","1") = "4"
    & skf18("3","5","5","2","5","3","1") = "4"
    & skf18("3","5","5","2","5","4","1") = "4"
    & skf18("3","5","5","2","5","5","1") = "4"
    & skf18("3","5","5","2","5","6","1") = "5"
    & skf18("3","5","5","2","5","7","1") = "6"
    & skf18("3","5","5","2","5","8","1") = "7"
    & skf18("3","5","5","2","5","9","1") = "8"
    & skf18("3","5","5","2","5","10","1") = "9"
    & skf18("3","5","5","2","6","1","1") = "5"
    & skf18("3","5","5","2","6","2","1") = "5"
    & skf18("3","5","5","2","6","3","1") = "5"
    & skf18("3","5","5","2","6","4","1") = "5"
    & skf18("3","5","5","2","6","5","1") = "5"
    & skf18("3","5","5","2","6","6","1") = "5"
    & skf18("3","5","5","2","6","7","1") = "6"
    & skf18("3","5","5","2","6","8","1") = "7"
    & skf18("3","5","5","2","6","9","1") = "8"
    & skf18("3","5","5","2","6","10","1") = "9"
    & skf18("3","5","5","2","7","1","1") = "6"
    & skf18("3","5","5","2","7","2","1") = "6"
    & skf18("3","5","5","2","7","3","1") = "6"
    & skf18("3","5","5","2","7","4","1") = "6"
    & skf18("3","5","5","2","7","5","1") = "6"
    & skf18("3","5","5","2","7","6","1") = "6"
    & skf18("3","5","5","2","7","7","1") = "6"
    & skf18("3","5","5","2","7","8","1") = "7"
    & skf18("3","5","5","2","7","9","1") = "8"
    & skf18("3","5","5","2","7","10","1") = "9"
    & skf18("3","5","5","2","8","1","1") = "7"
    & skf18("3","5","5","2","8","2","1") = "7"
    & skf18("3","5","5","2","8","3","1") = "7"
    & skf18("3","5","5","2","8","4","1") = "7"
    & skf18("3","5","5","2","8","5","1") = "7"
    & skf18("3","5","5","2","8","6","1") = "7"
    & skf18("3","5","5","2","8","7","1") = "7"
    & skf18("3","5","5","2","8","8","1") = "7"
    & skf18("3","5","5","2","8","9","1") = "8"
    & skf18("3","5","5","2","8","10","1") = "9"
    & skf18("3","5","5","2","9","1","1") = "8"
    & skf18("3","5","5","2","9","2","1") = "8"
    & skf18("3","5","5","2","9","3","1") = "8"
    & skf18("3","5","5","2","9","4","1") = "8"
    & skf18("3","5","5","2","9","5","1") = "8"
    & skf18("3","5","5","2","9","6","1") = "8"
    & skf18("3","5","5","2","9","7","1") = "8"
    & skf18("3","5","5","2","9","8","1") = "8"
    & skf18("3","5","5","2","9","9","1") = "8"
    & skf18("3","5","5","2","9","10","1") = "9"
    & skf18("3","5","5","2","10","1","1") = "9"
    & skf18("3","5","5","2","10","2","1") = "9"
    & skf18("3","5","5","2","10","3","1") = "9"
    & skf18("3","5","5","2","10","4","1") = "9"
    & skf18("3","5","5","2","10","5","1") = "9"
    & skf18("3","5","5","2","10","6","1") = "9"
    & skf18("3","5","5","2","10","7","1") = "9"
    & skf18("3","5","5","2","10","8","1") = "9"
    & skf18("3","5","5","2","10","9","1") = "9"
    & skf18("3","5","5","2","10","10","1") = "9"
    & skf18("3","5","5","3","1","1","1") = "4"
    & skf18("3","5","5","3","1","2","1") = "4"
    & skf18("3","5","5","3","1","3","1") = "4"
    & skf18("3","5","5","3","1","4","1") = "4"
    & skf18("3","5","5","3","1","5","1") = "4"
    & skf18("3","5","5","3","1","6","1") = "5"
    & skf18("3","5","5","3","1","7","1") = "6"
    & skf18("3","5","5","3","1","8","1") = "7"
    & skf18("3","5","5","3","1","9","1") = "8"
    & skf18("3","5","5","3","1","10","1") = "9"
    & skf18("3","5","5","3","2","1","1") = "4"
    & skf18("3","5","5","3","2","2","1") = "4"
    & skf18("3","5","5","3","2","3","1") = "4"
    & skf18("3","5","5","3","2","4","1") = "4"
    & skf18("3","5","5","3","2","5","1") = "4"
    & skf18("3","5","5","3","2","6","1") = "5"
    & skf18("3","5","5","3","2","7","1") = "6"
    & skf18("3","5","5","3","2","8","1") = "7"
    & skf18("3","5","5","3","2","9","1") = "8"
    & skf18("3","5","5","3","2","10","1") = "9"
    & skf18("3","5","5","3","3","1","1") = "4"
    & skf18("3","5","5","3","3","2","1") = "4"
    & skf18("3","5","5","3","3","3","1") = "4"
    & skf18("3","5","5","3","3","4","1") = "4"
    & skf18("3","5","5","3","3","5","1") = "4"
    & skf18("3","5","5","3","3","6","1") = "5"
    & skf18("3","5","5","3","3","7","1") = "6"
    & skf18("3","5","5","3","3","8","1") = "7"
    & skf18("3","5","5","3","3","9","1") = "8"
    & skf18("3","5","5","3","3","10","1") = "9"
    & skf18("3","5","5","3","4","1","1") = "4"
    & skf18("3","5","5","3","4","2","1") = "4"
    & skf18("3","5","5","3","4","3","1") = "4"
    & skf18("3","5","5","3","4","4","1") = "4"
    & skf18("3","5","5","3","4","5","1") = "4"
    & skf18("3","5","5","3","4","6","1") = "5"
    & skf18("3","5","5","3","4","7","1") = "6"
    & skf18("3","5","5","3","4","8","1") = "7"
    & skf18("3","5","5","3","4","9","1") = "8"
    & skf18("3","5","5","3","4","10","1") = "9"
    & skf18("3","5","5","3","5","1","1") = "4"
    & skf18("3","5","5","3","5","2","1") = "4"
    & skf18("3","5","5","3","5","3","1") = "4"
    & skf18("3","5","5","3","5","4","1") = "4"
    & skf18("3","5","5","3","5","5","1") = "4"
    & skf18("3","5","5","3","5","6","1") = "5"
    & skf18("3","5","5","3","5","7","1") = "6"
    & skf18("3","5","5","3","5","8","1") = "7"
    & skf18("3","5","5","3","5","9","1") = "8"
    & skf18("3","5","5","3","5","10","1") = "9"
    & skf18("3","5","5","3","6","1","1") = "5"
    & skf18("3","5","5","3","6","2","1") = "5"
    & skf18("3","5","5","3","6","3","1") = "5"
    & skf18("3","5","5","3","6","4","1") = "5"
    & skf18("3","5","5","3","6","5","1") = "5"
    & skf18("3","5","5","3","6","6","1") = "5"
    & skf18("3","5","5","3","6","7","1") = "6"
    & skf18("3","5","5","3","6","8","1") = "7"
    & skf18("3","5","5","3","6","9","1") = "8"
    & skf18("3","5","5","3","6","10","1") = "9"
    & skf18("3","5","5","3","7","1","1") = "6"
    & skf18("3","5","5","3","7","2","1") = "6"
    & skf18("3","5","5","3","7","3","1") = "6"
    & skf18("3","5","5","3","7","4","1") = "6"
    & skf18("3","5","5","3","7","5","1") = "6"
    & skf18("3","5","5","3","7","6","1") = "6"
    & skf18("3","5","5","3","7","7","1") = "6"
    & skf18("3","5","5","3","7","8","1") = "7"
    & skf18("3","5","5","3","7","9","1") = "8"
    & skf18("3","5","5","3","7","10","1") = "9"
    & skf18("3","5","5","3","8","1","1") = "7"
    & skf18("3","5","5","3","8","2","1") = "7"
    & skf18("3","5","5","3","8","3","1") = "7"
    & skf18("3","5","5","3","8","4","1") = "7"
    & skf18("3","5","5","3","8","5","1") = "7"
    & skf18("3","5","5","3","8","6","1") = "7"
    & skf18("3","5","5","3","8","7","1") = "7"
    & skf18("3","5","5","3","8","8","1") = "7"
    & skf18("3","5","5","3","8","9","1") = "8"
    & skf18("3","5","5","3","8","10","1") = "9"
    & skf18("3","5","5","3","9","1","1") = "8"
    & skf18("3","5","5","3","9","2","1") = "8"
    & skf18("3","5","5","3","9","3","1") = "8"
    & skf18("3","5","5","3","9","4","1") = "8"
    & skf18("3","5","5","3","9","5","1") = "8"
    & skf18("3","5","5","3","9","6","1") = "8"
    & skf18("3","5","5","3","9","7","1") = "8"
    & skf18("3","5","5","3","9","8","1") = "8"
    & skf18("3","5","5","3","9","9","1") = "8"
    & skf18("3","5","5","3","9","10","1") = "9"
    & skf18("3","5","5","3","10","1","1") = "9"
    & skf18("3","5","5","3","10","2","1") = "9"
    & skf18("3","5","5","3","10","3","1") = "9"
    & skf18("3","5","5","3","10","4","1") = "9"
    & skf18("3","5","5","3","10","5","1") = "9"
    & skf18("3","5","5","3","10","6","1") = "9"
    & skf18("3","5","5","3","10","7","1") = "9"
    & skf18("3","5","5","3","10","8","1") = "9"
    & skf18("3","5","5","3","10","9","1") = "9"
    & skf18("3","5","5","3","10","10","1") = "9"
    & skf18("3","5","5","4","1","1","1") = "4"
    & skf18("3","5","5","4","1","2","1") = "4"
    & skf18("3","5","5","4","1","3","1") = "4"
    & skf18("3","5","5","4","1","4","1") = "4"
    & skf18("3","5","5","4","1","5","1") = "4"
    & skf18("3","5","5","4","1","6","1") = "5"
    & skf18("3","5","5","4","1","7","1") = "6"
    & skf18("3","5","5","4","1","8","1") = "7"
    & skf18("3","5","5","4","1","9","1") = "8"
    & skf18("3","5","5","4","1","10","1") = "9"
    & skf18("3","5","5","4","2","1","1") = "4"
    & skf18("3","5","5","4","2","2","1") = "4"
    & skf18("3","5","5","4","2","3","1") = "4"
    & skf18("3","5","5","4","2","4","1") = "4"
    & skf18("3","5","5","4","2","5","1") = "4"
    & skf18("3","5","5","4","2","6","1") = "5"
    & skf18("3","5","5","4","2","7","1") = "6"
    & skf18("3","5","5","4","2","8","1") = "7"
    & skf18("3","5","5","4","2","9","1") = "8"
    & skf18("3","5","5","4","2","10","1") = "9"
    & skf18("3","5","5","4","3","1","1") = "4"
    & skf18("3","5","5","4","3","2","1") = "4"
    & skf18("3","5","5","4","3","3","1") = "4"
    & skf18("3","5","5","4","3","4","1") = "4"
    & skf18("3","5","5","4","3","5","1") = "4"
    & skf18("3","5","5","4","3","6","1") = "5"
    & skf18("3","5","5","4","3","7","1") = "6"
    & skf18("3","5","5","4","3","8","1") = "7"
    & skf18("3","5","5","4","3","9","1") = "8"
    & skf18("3","5","5","4","3","10","1") = "9"
    & skf18("3","5","5","4","4","1","1") = "4"
    & skf18("3","5","5","4","4","2","1") = "4"
    & skf18("3","5","5","4","4","3","1") = "4"
    & skf18("3","5","5","4","4","4","1") = "4"
    & skf18("3","5","5","4","4","5","1") = "4"
    & skf18("3","5","5","4","4","6","1") = "5"
    & skf18("3","5","5","4","4","7","1") = "6"
    & skf18("3","5","5","4","4","8","1") = "7"
    & skf18("3","5","5","4","4","9","1") = "8"
    & skf18("3","5","5","4","4","10","1") = "9"
    & skf18("3","5","5","4","5","1","1") = "4"
    & skf18("3","5","5","4","5","2","1") = "4"
    & skf18("3","5","5","4","5","3","1") = "4"
    & skf18("3","5","5","4","5","4","1") = "4"
    & skf18("3","5","5","4","5","5","1") = "4"
    & skf18("3","5","5","4","5","6","1") = "5"
    & skf18("3","5","5","4","5","7","1") = "6"
    & skf18("3","5","5","4","5","8","1") = "7"
    & skf18("3","5","5","4","5","9","1") = "8"
    & skf18("3","5","5","4","5","10","1") = "9"
    & skf18("3","5","5","4","6","1","1") = "5"
    & skf18("3","5","5","4","6","2","1") = "5"
    & skf18("3","5","5","4","6","3","1") = "5"
    & skf18("3","5","5","4","6","4","1") = "5"
    & skf18("3","5","5","4","6","5","1") = "5"
    & skf18("3","5","5","4","6","6","1") = "5"
    & skf18("3","5","5","4","6","7","1") = "6"
    & skf18("3","5","5","4","6","8","1") = "7"
    & skf18("3","5","5","4","6","9","1") = "8"
    & skf18("3","5","5","4","6","10","1") = "9"
    & skf18("3","5","5","4","7","1","1") = "6"
    & skf18("3","5","5","4","7","2","1") = "6"
    & skf18("3","5","5","4","7","3","1") = "6"
    & skf18("3","5","5","4","7","4","1") = "6"
    & skf18("3","5","5","4","7","5","1") = "6"
    & skf18("3","5","5","4","7","6","1") = "6"
    & skf18("3","5","5","4","7","7","1") = "6"
    & skf18("3","5","5","4","7","8","1") = "7"
    & skf18("3","5","5","4","7","9","1") = "8"
    & skf18("3","5","5","4","7","10","1") = "9"
    & skf18("3","5","5","4","8","1","1") = "7"
    & skf18("3","5","5","4","8","2","1") = "7"
    & skf18("3","5","5","4","8","3","1") = "7"
    & skf18("3","5","5","4","8","4","1") = "7"
    & skf18("3","5","5","4","8","5","1") = "7"
    & skf18("3","5","5","4","8","6","1") = "7"
    & skf18("3","5","5","4","8","7","1") = "7"
    & skf18("3","5","5","4","8","8","1") = "7"
    & skf18("3","5","5","4","8","9","1") = "8"
    & skf18("3","5","5","4","8","10","1") = "9"
    & skf18("3","5","5","4","9","1","1") = "8"
    & skf18("3","5","5","4","9","2","1") = "8"
    & skf18("3","5","5","4","9","3","1") = "8"
    & skf18("3","5","5","4","9","4","1") = "8"
    & skf18("3","5","5","4","9","5","1") = "8"
    & skf18("3","5","5","4","9","6","1") = "8"
    & skf18("3","5","5","4","9","7","1") = "8"
    & skf18("3","5","5","4","9","8","1") = "8"
    & skf18("3","5","5","4","9","9","1") = "8"
    & skf18("3","5","5","4","9","10","1") = "9"
    & skf18("3","5","5","4","10","1","1") = "9"
    & skf18("3","5","5","4","10","2","1") = "9"
    & skf18("3","5","5","4","10","3","1") = "9"
    & skf18("3","5","5","4","10","4","1") = "9"
    & skf18("3","5","5","4","10","5","1") = "9"
    & skf18("3","5","5","4","10","6","1") = "9"
    & skf18("3","5","5","4","10","7","1") = "9"
    & skf18("3","5","5","4","10","8","1") = "9"
    & skf18("3","5","5","4","10","9","1") = "9"
    & skf18("3","5","5","4","10","10","1") = "9"
    & skf18("3","5","5","5","1","1","1") = "4"
    & skf18("3","5","5","5","1","2","1") = "4"
    & skf18("3","5","5","5","1","3","1") = "4"
    & skf18("3","5","5","5","1","4","1") = "4"
    & skf18("3","5","5","5","1","5","1") = "4"
    & skf18("3","5","5","5","1","6","1") = "5"
    & skf18("3","5","5","5","1","7","1") = "6"
    & skf18("3","5","5","5","1","8","1") = "7"
    & skf18("3","5","5","5","1","9","1") = "8"
    & skf18("3","5","5","5","1","10","1") = "9"
    & skf18("3","5","5","5","2","1","1") = "4"
    & skf18("3","5","5","5","2","2","1") = "4"
    & skf18("3","5","5","5","2","3","1") = "4"
    & skf18("3","5","5","5","2","4","1") = "4"
    & skf18("3","5","5","5","2","5","1") = "4"
    & skf18("3","5","5","5","2","6","1") = "5"
    & skf18("3","5","5","5","2","7","1") = "6"
    & skf18("3","5","5","5","2","8","1") = "7"
    & skf18("3","5","5","5","2","9","1") = "8"
    & skf18("3","5","5","5","2","10","1") = "9"
    & skf18("3","5","5","5","3","1","1") = "4"
    & skf18("3","5","5","5","3","2","1") = "4"
    & skf18("3","5","5","5","3","3","1") = "4"
    & skf18("3","5","5","5","3","4","1") = "4"
    & skf18("3","5","5","5","3","5","1") = "4"
    & skf18("3","5","5","5","3","6","1") = "5"
    & skf18("3","5","5","5","3","7","1") = "6"
    & skf18("3","5","5","5","3","8","1") = "7"
    & skf18("3","5","5","5","3","9","1") = "8"
    & skf18("3","5","5","5","3","10","1") = "9"
    & skf18("3","5","5","5","4","1","1") = "4"
    & skf18("3","5","5","5","4","2","1") = "4"
    & skf18("3","5","5","5","4","3","1") = "4"
    & skf18("3","5","5","5","4","4","1") = "4"
    & skf18("3","5","5","5","4","5","1") = "4"
    & skf18("3","5","5","5","4","6","1") = "5"
    & skf18("3","5","5","5","4","7","1") = "6"
    & skf18("3","5","5","5","4","8","1") = "7"
    & skf18("3","5","5","5","4","9","1") = "8"
    & skf18("3","5","5","5","4","10","1") = "9"
    & skf18("3","5","5","5","5","1","1") = "4"
    & skf18("3","5","5","5","5","2","1") = "4"
    & skf18("3","5","5","5","5","3","1") = "4"
    & skf18("3","5","5","5","5","4","1") = "4"
    & skf18("3","5","5","5","5","5","1") = "4"
    & skf18("3","5","5","5","5","6","1") = "5"
    & skf18("3","5","5","5","5","7","1") = "6"
    & skf18("3","5","5","5","5","8","1") = "7"
    & skf18("3","5","5","5","5","9","1") = "8"
    & skf18("3","5","5","5","5","10","1") = "9"
    & skf18("3","5","5","5","6","1","1") = "5"
    & skf18("3","5","5","5","6","2","1") = "5"
    & skf18("3","5","5","5","6","3","1") = "5"
    & skf18("3","5","5","5","6","4","1") = "5"
    & skf18("3","5","5","5","6","5","1") = "5"
    & skf18("3","5","5","5","6","6","1") = "5"
    & skf18("3","5","5","5","6","7","1") = "6"
    & skf18("3","5","5","5","6","8","1") = "7"
    & skf18("3","5","5","5","6","9","1") = "8"
    & skf18("3","5","5","5","6","10","1") = "9"
    & skf18("3","5","5","5","7","1","1") = "6"
    & skf18("3","5","5","5","7","2","1") = "6"
    & skf18("3","5","5","5","7","3","1") = "6"
    & skf18("3","5","5","5","7","4","1") = "6"
    & skf18("3","5","5","5","7","5","1") = "6"
    & skf18("3","5","5","5","7","6","1") = "6"
    & skf18("3","5","5","5","7","7","1") = "6"
    & skf18("3","5","5","5","7","8","1") = "7"
    & skf18("3","5","5","5","7","9","1") = "8"
    & skf18("3","5","5","5","7","10","1") = "9"
    & skf18("3","5","5","5","8","1","1") = "7"
    & skf18("3","5","5","5","8","2","1") = "7"
    & skf18("3","5","5","5","8","3","1") = "7"
    & skf18("3","5","5","5","8","4","1") = "7"
    & skf18("3","5","5","5","8","5","1") = "7"
    & skf18("3","5","5","5","8","6","1") = "7"
    & skf18("3","5","5","5","8","7","1") = "7"
    & skf18("3","5","5","5","8","8","1") = "7"
    & skf18("3","5","5","5","8","9","1") = "8"
    & skf18("3","5","5","5","8","10","1") = "9"
    & skf18("3","5","5","5","9","1","1") = "8"
    & skf18("3","5","5","5","9","2","1") = "8"
    & skf18("3","5","5","5","9","3","1") = "8"
    & skf18("3","5","5","5","9","4","1") = "8"
    & skf18("3","5","5","5","9","5","1") = "8"
    & skf18("3","5","5","5","9","6","1") = "8"
    & skf18("3","5","5","5","9","7","1") = "8"
    & skf18("3","5","5","5","9","8","1") = "8"
    & skf18("3","5","5","5","9","9","1") = "8"
    & skf18("3","5","5","5","9","10","1") = "9"
    & skf18("3","5","5","5","10","1","1") = "9"
    & skf18("3","5","5","5","10","2","1") = "9"
    & skf18("3","5","5","5","10","3","1") = "9"
    & skf18("3","5","5","5","10","4","1") = "9"
    & skf18("3","5","5","5","10","5","1") = "9"
    & skf18("3","5","5","5","10","6","1") = "9"
    & skf18("3","5","5","5","10","7","1") = "9"
    & skf18("3","5","5","5","10","8","1") = "9"
    & skf18("3","5","5","5","10","9","1") = "9"
    & skf18("3","5","5","5","10","10","1") = "9"
    & skf18("3","5","5","6","1","1","1") = "5"
    & skf18("3","5","5","6","1","2","1") = "5"
    & skf18("3","5","5","6","1","3","1") = "5"
    & skf18("3","5","5","6","1","4","1") = "5"
    & skf18("3","5","5","6","1","5","1") = "5"
    & skf18("3","5","5","6","1","6","1") = "5"
    & skf18("3","5","5","6","1","7","1") = "6"
    & skf18("3","5","5","6","1","8","1") = "7"
    & skf18("3","5","5","6","1","9","1") = "8"
    & skf18("3","5","5","6","1","10","1") = "9"
    & skf18("3","5","5","6","2","1","1") = "5"
    & skf18("3","5","5","6","2","2","1") = "5"
    & skf18("3","5","5","6","2","3","1") = "5"
    & skf18("3","5","5","6","2","4","1") = "5"
    & skf18("3","5","5","6","2","5","1") = "5"
    & skf18("3","5","5","6","2","6","1") = "5"
    & skf18("3","5","5","6","2","7","1") = "6"
    & skf18("3","5","5","6","2","8","1") = "7"
    & skf18("3","5","5","6","2","9","1") = "8"
    & skf18("3","5","5","6","2","10","1") = "9"
    & skf18("3","5","5","6","3","1","1") = "5"
    & skf18("3","5","5","6","3","2","1") = "5"
    & skf18("3","5","5","6","3","3","1") = "5"
    & skf18("3","5","5","6","3","4","1") = "5"
    & skf18("3","5","5","6","3","5","1") = "5"
    & skf18("3","5","5","6","3","6","1") = "5"
    & skf18("3","5","5","6","3","7","1") = "6"
    & skf18("3","5","5","6","3","8","1") = "7"
    & skf18("3","5","5","6","3","9","1") = "8"
    & skf18("3","5","5","6","3","10","1") = "9"
    & skf18("3","5","5","6","4","1","1") = "5"
    & skf18("3","5","5","6","4","2","1") = "5"
    & skf18("3","5","5","6","4","3","1") = "5"
    & skf18("3","5","5","6","4","4","1") = "5"
    & skf18("3","5","5","6","4","5","1") = "5"
    & skf18("3","5","5","6","4","6","1") = "5"
    & skf18("3","5","5","6","4","7","1") = "6"
    & skf18("3","5","5","6","4","8","1") = "7"
    & skf18("3","5","5","6","4","9","1") = "8"
    & skf18("3","5","5","6","4","10","1") = "9"
    & skf18("3","5","5","6","5","1","1") = "5"
    & skf18("3","5","5","6","5","2","1") = "5"
    & skf18("3","5","5","6","5","3","1") = "5"
    & skf18("3","5","5","6","5","4","1") = "5"
    & skf18("3","5","5","6","5","5","1") = "5"
    & skf18("3","5","5","6","5","6","1") = "5"
    & skf18("3","5","5","6","5","7","1") = "6"
    & skf18("3","5","5","6","5","8","1") = "7"
    & skf18("3","5","5","6","5","9","1") = "8"
    & skf18("3","5","5","6","5","10","1") = "9"
    & skf18("3","5","5","6","6","1","1") = "5"
    & skf18("3","5","5","6","6","2","1") = "5"
    & skf18("3","5","5","6","6","3","1") = "5"
    & skf18("3","5","5","6","6","4","1") = "5"
    & skf18("3","5","5","6","6","5","1") = "5"
    & skf18("3","5","5","6","6","6","1") = "5"
    & skf18("3","5","5","6","6","7","1") = "6"
    & skf18("3","5","5","6","6","8","1") = "7"
    & skf18("3","5","5","6","6","9","1") = "8"
    & skf18("3","5","5","6","6","10","1") = "9"
    & skf18("3","5","5","6","7","1","1") = "6"
    & skf18("3","5","5","6","7","2","1") = "6"
    & skf18("3","5","5","6","7","3","1") = "6"
    & skf18("3","5","5","6","7","4","1") = "6"
    & skf18("3","5","5","6","7","5","1") = "6"
    & skf18("3","5","5","6","7","6","1") = "6"
    & skf18("3","5","5","6","7","7","1") = "6"
    & skf18("3","5","5","6","7","8","1") = "7"
    & skf18("3","5","5","6","7","9","1") = "8"
    & skf18("3","5","5","6","7","10","1") = "9"
    & skf18("3","5","5","6","8","1","1") = "7"
    & skf18("3","5","5","6","8","2","1") = "7"
    & skf18("3","5","5","6","8","3","1") = "7"
    & skf18("3","5","5","6","8","4","1") = "7"
    & skf18("3","5","5","6","8","5","1") = "7"
    & skf18("3","5","5","6","8","6","1") = "7"
    & skf18("3","5","5","6","8","7","1") = "7"
    & skf18("3","5","5","6","8","8","1") = "7"
    & skf18("3","5","5","6","8","9","1") = "8"
    & skf18("3","5","5","6","8","10","1") = "9"
    & skf18("3","5","5","6","9","1","1") = "8"
    & skf18("3","5","5","6","9","2","1") = "8"
    & skf18("3","5","5","6","9","3","1") = "8"
    & skf18("3","5","5","6","9","4","1") = "8"
    & skf18("3","5","5","6","9","5","1") = "8"
    & skf18("3","5","5","6","9","6","1") = "8"
    & skf18("3","5","5","6","9","7","1") = "8"
    & skf18("3","5","5","6","9","8","1") = "8"
    & skf18("3","5","5","6","9","9","1") = "8"
    & skf18("3","5","5","6","9","10","1") = "9"
    & skf18("3","5","5","6","10","1","1") = "9"
    & skf18("3","5","5","6","10","2","1") = "9"
    & skf18("3","5","5","6","10","3","1") = "9"
    & skf18("3","5","5","6","10","4","1") = "9"
    & skf18("3","5","5","6","10","5","1") = "9"
    & skf18("3","5","5","6","10","6","1") = "9"
    & skf18("3","5","5","6","10","7","1") = "9"
    & skf18("3","5","5","6","10","8","1") = "9"
    & skf18("3","5","5","6","10","9","1") = "9"
    & skf18("3","5","5","6","10","10","1") = "9"
    & skf18("3","5","5","7","1","1","1") = "6"
    & skf18("3","5","5","7","1","2","1") = "6"
    & skf18("3","5","5","7","1","3","1") = "6"
    & skf18("3","5","5","7","1","4","1") = "6"
    & skf18("3","5","5","7","1","5","1") = "6"
    & skf18("3","5","5","7","1","6","1") = "6"
    & skf18("3","5","5","7","1","7","1") = "6"
    & skf18("3","5","5","7","1","8","1") = "7"
    & skf18("3","5","5","7","1","9","1") = "8"
    & skf18("3","5","5","7","1","10","1") = "9"
    & skf18("3","5","5","7","2","1","1") = "6"
    & skf18("3","5","5","7","2","2","1") = "6"
    & skf18("3","5","5","7","2","3","1") = "6"
    & skf18("3","5","5","7","2","4","1") = "6"
    & skf18("3","5","5","7","2","5","1") = "6"
    & skf18("3","5","5","7","2","6","1") = "6"
    & skf18("3","5","5","7","2","7","1") = "6"
    & skf18("3","5","5","7","2","8","1") = "7"
    & skf18("3","5","5","7","2","9","1") = "8"
    & skf18("3","5","5","7","2","10","1") = "9"
    & skf18("3","5","5","7","3","1","1") = "6"
    & skf18("3","5","5","7","3","2","1") = "6"
    & skf18("3","5","5","7","3","3","1") = "6"
    & skf18("3","5","5","7","3","4","1") = "6"
    & skf18("3","5","5","7","3","5","1") = "6"
    & skf18("3","5","5","7","3","6","1") = "6"
    & skf18("3","5","5","7","3","7","1") = "6"
    & skf18("3","5","5","7","3","8","1") = "7"
    & skf18("3","5","5","7","3","9","1") = "8"
    & skf18("3","5","5","7","3","10","1") = "9"
    & skf18("3","5","5","7","4","1","1") = "6"
    & skf18("3","5","5","7","4","2","1") = "6"
    & skf18("3","5","5","7","4","3","1") = "6"
    & skf18("3","5","5","7","4","4","1") = "6"
    & skf18("3","5","5","7","4","5","1") = "6"
    & skf18("3","5","5","7","4","6","1") = "6"
    & skf18("3","5","5","7","4","7","1") = "6"
    & skf18("3","5","5","7","4","8","1") = "7"
    & skf18("3","5","5","7","4","9","1") = "8"
    & skf18("3","5","5","7","4","10","1") = "9"
    & skf18("3","5","5","7","5","1","1") = "6"
    & skf18("3","5","5","7","5","2","1") = "6"
    & skf18("3","5","5","7","5","3","1") = "6"
    & skf18("3","5","5","7","5","4","1") = "6"
    & skf18("3","5","5","7","5","5","1") = "6"
    & skf18("3","5","5","7","5","6","1") = "6"
    & skf18("3","5","5","7","5","7","1") = "6"
    & skf18("3","5","5","7","5","8","1") = "7"
    & skf18("3","5","5","7","5","9","1") = "8"
    & skf18("3","5","5","7","5","10","1") = "9"
    & skf18("3","5","5","7","6","1","1") = "6"
    & skf18("3","5","5","7","6","2","1") = "6"
    & skf18("3","5","5","7","6","3","1") = "6"
    & skf18("3","5","5","7","6","4","1") = "6"
    & skf18("3","5","5","7","6","5","1") = "6"
    & skf18("3","5","5","7","6","6","1") = "6"
    & skf18("3","5","5","7","6","7","1") = "6"
    & skf18("3","5","5","7","6","8","1") = "7"
    & skf18("3","5","5","7","6","9","1") = "8"
    & skf18("3","5","5","7","6","10","1") = "9"
    & skf18("3","5","5","7","7","1","1") = "6"
    & skf18("3","5","5","7","7","2","1") = "6"
    & skf18("3","5","5","7","7","3","1") = "6"
    & skf18("3","5","5","7","7","4","1") = "6"
    & skf18("3","5","5","7","7","5","1") = "6"
    & skf18("3","5","5","7","7","6","1") = "6"
    & skf18("3","5","5","7","7","7","1") = "6"
    & skf18("3","5","5","7","7","8","1") = "7"
    & skf18("3","5","5","7","7","9","1") = "8"
    & skf18("3","5","5","7","7","10","1") = "9"
    & skf18("3","5","5","7","8","1","1") = "7"
    & skf18("3","5","5","7","8","2","1") = "7"
    & skf18("3","5","5","7","8","3","1") = "7"
    & skf18("3","5","5","7","8","4","1") = "7"
    & skf18("3","5","5","7","8","5","1") = "7"
    & skf18("3","5","5","7","8","6","1") = "7"
    & skf18("3","5","5","7","8","7","1") = "7"
    & skf18("3","5","5","7","8","8","1") = "7"
    & skf18("3","5","5","7","8","9","1") = "8"
    & skf18("3","5","5","7","8","10","1") = "9"
    & skf18("3","5","5","7","9","1","1") = "8"
    & skf18("3","5","5","7","9","2","1") = "8"
    & skf18("3","5","5","7","9","3","1") = "8"
    & skf18("3","5","5","7","9","4","1") = "8"
    & skf18("3","5","5","7","9","5","1") = "8"
    & skf18("3","5","5","7","9","6","1") = "8"
    & skf18("3","5","5","7","9","7","1") = "8"
    & skf18("3","5","5","7","9","8","1") = "8"
    & skf18("3","5","5","7","9","9","1") = "8"
    & skf18("3","5","5","7","9","10","1") = "9"
    & skf18("3","5","5","7","10","1","1") = "9"
    & skf18("3","5","5","7","10","2","1") = "9"
    & skf18("3","5","5","7","10","3","1") = "9"
    & skf18("3","5","5","7","10","4","1") = "9"
    & skf18("3","5","5","7","10","5","1") = "9"
    & skf18("3","5","5","7","10","6","1") = "9"
    & skf18("3","5","5","7","10","7","1") = "9"
    & skf18("3","5","5","7","10","8","1") = "9"
    & skf18("3","5","5","7","10","9","1") = "9"
    & skf18("3","5","5","7","10","10","1") = "9"
    & skf18("3","5","5","8","1","1","1") = "7"
    & skf18("3","5","5","8","1","2","1") = "7"
    & skf18("3","5","5","8","1","3","1") = "7"
    & skf18("3","5","5","8","1","4","1") = "7"
    & skf18("3","5","5","8","1","5","1") = "7"
    & skf18("3","5","5","8","1","6","1") = "7"
    & skf18("3","5","5","8","1","7","1") = "7"
    & skf18("3","5","5","8","1","8","1") = "7"
    & skf18("3","5","5","8","1","9","1") = "8"
    & skf18("3","5","5","8","1","10","1") = "9"
    & skf18("3","5","5","8","2","1","1") = "7"
    & skf18("3","5","5","8","2","2","1") = "7"
    & skf18("3","5","5","8","2","3","1") = "7"
    & skf18("3","5","5","8","2","4","1") = "7"
    & skf18("3","5","5","8","2","5","1") = "7"
    & skf18("3","5","5","8","2","6","1") = "7"
    & skf18("3","5","5","8","2","7","1") = "7"
    & skf18("3","5","5","8","2","8","1") = "7"
    & skf18("3","5","5","8","2","9","1") = "8"
    & skf18("3","5","5","8","2","10","1") = "9"
    & skf18("3","5","5","8","3","1","1") = "7"
    & skf18("3","5","5","8","3","2","1") = "7"
    & skf18("3","5","5","8","3","3","1") = "7"
    & skf18("3","5","5","8","3","4","1") = "7"
    & skf18("3","5","5","8","3","5","1") = "7"
    & skf18("3","5","5","8","3","6","1") = "7"
    & skf18("3","5","5","8","3","7","1") = "7"
    & skf18("3","5","5","8","3","8","1") = "7"
    & skf18("3","5","5","8","3","9","1") = "8"
    & skf18("3","5","5","8","3","10","1") = "9"
    & skf18("3","5","5","8","4","1","1") = "7"
    & skf18("3","5","5","8","4","2","1") = "7"
    & skf18("3","5","5","8","4","3","1") = "7"
    & skf18("3","5","5","8","4","4","1") = "7"
    & skf18("3","5","5","8","4","5","1") = "7"
    & skf18("3","5","5","8","4","6","1") = "7"
    & skf18("3","5","5","8","4","7","1") = "7"
    & skf18("3","5","5","8","4","8","1") = "7"
    & skf18("3","5","5","8","4","9","1") = "8"
    & skf18("3","5","5","8","4","10","1") = "9"
    & skf18("3","5","5","8","5","1","1") = "7"
    & skf18("3","5","5","8","5","2","1") = "7"
    & skf18("3","5","5","8","5","3","1") = "7"
    & skf18("3","5","5","8","5","4","1") = "7"
    & skf18("3","5","5","8","5","5","1") = "7"
    & skf18("3","5","5","8","5","6","1") = "7"
    & skf18("3","5","5","8","5","7","1") = "7"
    & skf18("3","5","5","8","5","8","1") = "7"
    & skf18("3","5","5","8","5","9","1") = "8"
    & skf18("3","5","5","8","5","10","1") = "9"
    & skf18("3","5","5","8","6","1","1") = "7"
    & skf18("3","5","5","8","6","2","1") = "7"
    & skf18("3","5","5","8","6","3","1") = "7"
    & skf18("3","5","5","8","6","4","1") = "7"
    & skf18("3","5","5","8","6","5","1") = "7"
    & skf18("3","5","5","8","6","6","1") = "7"
    & skf18("3","5","5","8","6","7","1") = "7"
    & skf18("3","5","5","8","6","8","1") = "7"
    & skf18("3","5","5","8","6","9","1") = "8"
    & skf18("3","5","5","8","6","10","1") = "9"
    & skf18("3","5","5","8","7","1","1") = "7"
    & skf18("3","5","5","8","7","2","1") = "7"
    & skf18("3","5","5","8","7","3","1") = "7"
    & skf18("3","5","5","8","7","4","1") = "7"
    & skf18("3","5","5","8","7","5","1") = "7"
    & skf18("3","5","5","8","7","6","1") = "7"
    & skf18("3","5","5","8","7","7","1") = "7"
    & skf18("3","5","5","8","7","8","1") = "7"
    & skf18("3","5","5","8","7","9","1") = "8"
    & skf18("3","5","5","8","7","10","1") = "9"
    & skf18("3","5","5","8","8","1","1") = "7"
    & skf18("3","5","5","8","8","2","1") = "7"
    & skf18("3","5","5","8","8","3","1") = "7"
    & skf18("3","5","5","8","8","4","1") = "7"
    & skf18("3","5","5","8","8","5","1") = "7"
    & skf18("3","5","5","8","8","6","1") = "7"
    & skf18("3","5","5","8","8","7","1") = "7"
    & skf18("3","5","5","8","8","8","1") = "7"
    & skf18("3","5","5","8","8","9","1") = "8"
    & skf18("3","5","5","8","8","10","1") = "9"
    & skf18("3","5","5","8","9","1","1") = "8"
    & skf18("3","5","5","8","9","2","1") = "8"
    & skf18("3","5","5","8","9","3","1") = "8"
    & skf18("3","5","5","8","9","4","1") = "8"
    & skf18("3","5","5","8","9","5","1") = "8"
    & skf18("3","5","5","8","9","6","1") = "8"
    & skf18("3","5","5","8","9","7","1") = "8"
    & skf18("3","5","5","8","9","8","1") = "8"
    & skf18("3","5","5","8","9","9","1") = "8"
    & skf18("3","5","5","8","9","10","1") = "9"
    & skf18("3","5","5","8","10","1","1") = "9"
    & skf18("3","5","5","8","10","2","1") = "9"
    & skf18("3","5","5","8","10","3","1") = "9"
    & skf18("3","5","5","8","10","4","1") = "9"
    & skf18("3","5","5","8","10","5","1") = "9"
    & skf18("3","5","5","8","10","6","1") = "9"
    & skf18("3","5","5","8","10","7","1") = "9"
    & skf18("3","5","5","8","10","8","1") = "9"
    & skf18("3","5","5","8","10","9","1") = "9"
    & skf18("3","5","5","8","10","10","1") = "9"
    & skf18("3","5","5","9","1","1","1") = "8"
    & skf18("3","5","5","9","1","2","1") = "8"
    & skf18("3","5","5","9","1","3","1") = "8"
    & skf18("3","5","5","9","1","4","1") = "8"
    & skf18("3","5","5","9","1","5","1") = "8"
    & skf18("3","5","5","9","1","6","1") = "8"
    & skf18("3","5","5","9","1","7","1") = "8"
    & skf18("3","5","5","9","1","8","1") = "8"
    & skf18("3","5","5","9","1","9","1") = "8"
    & skf18("3","5","5","9","1","10","1") = "9"
    & skf18("3","5","5","9","2","1","1") = "8"
    & skf18("3","5","5","9","2","2","1") = "8"
    & skf18("3","5","5","9","2","3","1") = "8"
    & skf18("3","5","5","9","2","4","1") = "8"
    & skf18("3","5","5","9","2","5","1") = "8"
    & skf18("3","5","5","9","2","6","1") = "8"
    & skf18("3","5","5","9","2","7","1") = "8"
    & skf18("3","5","5","9","2","8","1") = "8"
    & skf18("3","5","5","9","2","9","1") = "8"
    & skf18("3","5","5","9","2","10","1") = "9"
    & skf18("3","5","5","9","3","1","1") = "8"
    & skf18("3","5","5","9","3","2","1") = "8"
    & skf18("3","5","5","9","3","3","1") = "8"
    & skf18("3","5","5","9","3","4","1") = "8"
    & skf18("3","5","5","9","3","5","1") = "8"
    & skf18("3","5","5","9","3","6","1") = "8"
    & skf18("3","5","5","9","3","7","1") = "8"
    & skf18("3","5","5","9","3","8","1") = "8"
    & skf18("3","5","5","9","3","9","1") = "8"
    & skf18("3","5","5","9","3","10","1") = "9"
    & skf18("3","5","5","9","4","1","1") = "8"
    & skf18("3","5","5","9","4","2","1") = "8"
    & skf18("3","5","5","9","4","3","1") = "8"
    & skf18("3","5","5","9","4","4","1") = "8"
    & skf18("3","5","5","9","4","5","1") = "8"
    & skf18("3","5","5","9","4","6","1") = "8"
    & skf18("3","5","5","9","4","7","1") = "8"
    & skf18("3","5","5","9","4","8","1") = "8"
    & skf18("3","5","5","9","4","9","1") = "8"
    & skf18("3","5","5","9","4","10","1") = "9"
    & skf18("3","5","5","9","5","1","1") = "8"
    & skf18("3","5","5","9","5","2","1") = "8"
    & skf18("3","5","5","9","5","3","1") = "8"
    & skf18("3","5","5","9","5","4","1") = "8"
    & skf18("3","5","5","9","5","5","1") = "8"
    & skf18("3","5","5","9","5","6","1") = "8"
    & skf18("3","5","5","9","5","7","1") = "8"
    & skf18("3","5","5","9","5","8","1") = "8"
    & skf18("3","5","5","9","5","9","1") = "8"
    & skf18("3","5","5","9","5","10","1") = "9"
    & skf18("3","5","5","9","6","1","1") = "8"
    & skf18("3","5","5","9","6","2","1") = "8"
    & skf18("3","5","5","9","6","3","1") = "8"
    & skf18("3","5","5","9","6","4","1") = "8"
    & skf18("3","5","5","9","6","5","1") = "8"
    & skf18("3","5","5","9","6","6","1") = "8"
    & skf18("3","5","5","9","6","7","1") = "8"
    & skf18("3","5","5","9","6","8","1") = "8"
    & skf18("3","5","5","9","6","9","1") = "8"
    & skf18("3","5","5","9","6","10","1") = "9"
    & skf18("3","5","5","9","7","1","1") = "8"
    & skf18("3","5","5","9","7","2","1") = "8"
    & skf18("3","5","5","9","7","3","1") = "8"
    & skf18("3","5","5","9","7","4","1") = "8"
    & skf18("3","5","5","9","7","5","1") = "8"
    & skf18("3","5","5","9","7","6","1") = "8"
    & skf18("3","5","5","9","7","7","1") = "8"
    & skf18("3","5","5","9","7","8","1") = "8"
    & skf18("3","5","5","9","7","9","1") = "8"
    & skf18("3","5","5","9","7","10","1") = "9"
    & skf18("3","5","5","9","8","1","1") = "8"
    & skf18("3","5","5","9","8","2","1") = "8"
    & skf18("3","5","5","9","8","3","1") = "8"
    & skf18("3","5","5","9","8","4","1") = "8"
    & skf18("3","5","5","9","8","5","1") = "8"
    & skf18("3","5","5","9","8","6","1") = "8"
    & skf18("3","5","5","9","8","7","1") = "8"
    & skf18("3","5","5","9","8","8","1") = "8"
    & skf18("3","5","5","9","8","9","1") = "8"
    & skf18("3","5","5","9","8","10","1") = "9"
    & skf18("3","5","5","9","9","1","1") = "8"
    & skf18("3","5","5","9","9","2","1") = "8"
    & skf18("3","5","5","9","9","3","1") = "8"
    & skf18("3","5","5","9","9","4","1") = "8"
    & skf18("3","5","5","9","9","5","1") = "8"
    & skf18("3","5","5","9","9","6","1") = "8"
    & skf18("3","5","5","9","9","7","1") = "8"
    & skf18("3","5","5","9","9","8","1") = "8"
    & skf18("3","5","5","9","9","9","1") = "8"
    & skf18("3","5","5","9","9","10","1") = "9"
    & skf18("3","5","5","9","10","1","1") = "9"
    & skf18("3","5","5","9","10","2","1") = "9"
    & skf18("3","5","5","9","10","3","1") = "9"
    & skf18("3","5","5","9","10","4","1") = "9"
    & skf18("3","5","5","9","10","5","1") = "9"
    & skf18("3","5","5","9","10","6","1") = "9"
    & skf18("3","5","5","9","10","7","1") = "9"
    & skf18("3","5","5","9","10","8","1") = "9"
    & skf18("3","5","5","9","10","9","1") = "9"
    & skf18("3","5","5","9","10","10","1") = "9"
    & skf18("3","5","5","10","1","1","1") = "9"
    & skf18("3","5","5","10","1","2","1") = "9"
    & skf18("3","5","5","10","1","3","1") = "9"
    & skf18("3","5","5","10","1","4","1") = "9"
    & skf18("3","5","5","10","1","5","1") = "9"
    & skf18("3","5","5","10","1","6","1") = "9"
    & skf18("3","5","5","10","1","7","1") = "9"
    & skf18("3","5","5","10","1","8","1") = "9"
    & skf18("3","5","5","10","1","9","1") = "9"
    & skf18("3","5","5","10","1","10","1") = "9"
    & skf18("3","5","5","10","2","1","1") = "9"
    & skf18("3","5","5","10","2","2","1") = "9"
    & skf18("3","5","5","10","2","3","1") = "9"
    & skf18("3","5","5","10","2","4","1") = "9"
    & skf18("3","5","5","10","2","5","1") = "9"
    & skf18("3","5","5","10","2","6","1") = "9"
    & skf18("3","5","5","10","2","7","1") = "9"
    & skf18("3","5","5","10","2","8","1") = "9"
    & skf18("3","5","5","10","2","9","1") = "9"
    & skf18("3","5","5","10","2","10","1") = "9"
    & skf18("3","5","5","10","3","1","1") = "9"
    & skf18("3","5","5","10","3","2","1") = "9"
    & skf18("3","5","5","10","3","3","1") = "9"
    & skf18("3","5","5","10","3","4","1") = "9"
    & skf18("3","5","5","10","3","5","1") = "9"
    & skf18("3","5","5","10","3","6","1") = "9"
    & skf18("3","5","5","10","3","7","1") = "9"
    & skf18("3","5","5","10","3","8","1") = "9"
    & skf18("3","5","5","10","3","9","1") = "9"
    & skf18("3","5","5","10","3","10","1") = "9"
    & skf18("3","5","5","10","4","1","1") = "9"
    & skf18("3","5","5","10","4","2","1") = "9"
    & skf18("3","5","5","10","4","3","1") = "9"
    & skf18("3","5","5","10","4","4","1") = "9"
    & skf18("3","5","5","10","4","5","1") = "9"
    & skf18("3","5","5","10","4","6","1") = "9"
    & skf18("3","5","5","10","4","7","1") = "9"
    & skf18("3","5","5","10","4","8","1") = "9"
    & skf18("3","5","5","10","4","9","1") = "9"
    & skf18("3","5","5","10","4","10","1") = "9"
    & skf18("3","5","5","10","5","1","1") = "9"
    & skf18("3","5","5","10","5","2","1") = "9"
    & skf18("3","5","5","10","5","3","1") = "9"
    & skf18("3","5","5","10","5","4","1") = "9"
    & skf18("3","5","5","10","5","5","1") = "9"
    & skf18("3","5","5","10","5","6","1") = "9"
    & skf18("3","5","5","10","5","7","1") = "9"
    & skf18("3","5","5","10","5","8","1") = "9"
    & skf18("3","5","5","10","5","9","1") = "9"
    & skf18("3","5","5","10","5","10","1") = "9"
    & skf18("3","5","5","10","6","1","1") = "9"
    & skf18("3","5","5","10","6","2","1") = "9"
    & skf18("3","5","5","10","6","3","1") = "9"
    & skf18("3","5","5","10","6","4","1") = "9"
    & skf18("3","5","5","10","6","5","1") = "9"
    & skf18("3","5","5","10","6","6","1") = "9"
    & skf18("3","5","5","10","6","7","1") = "9"
    & skf18("3","5","5","10","6","8","1") = "9"
    & skf18("3","5","5","10","6","9","1") = "9"
    & skf18("3","5","5","10","6","10","1") = "9"
    & skf18("3","5","5","10","7","1","1") = "9"
    & skf18("3","5","5","10","7","2","1") = "9"
    & skf18("3","5","5","10","7","3","1") = "9"
    & skf18("3","5","5","10","7","4","1") = "9"
    & skf18("3","5","5","10","7","5","1") = "9"
    & skf18("3","5","5","10","7","6","1") = "9"
    & skf18("3","5","5","10","7","7","1") = "9"
    & skf18("3","5","5","10","7","8","1") = "9"
    & skf18("3","5","5","10","7","9","1") = "9"
    & skf18("3","5","5","10","7","10","1") = "9"
    & skf18("3","5","5","10","8","1","1") = "9"
    & skf18("3","5","5","10","8","2","1") = "9"
    & skf18("3","5","5","10","8","3","1") = "9"
    & skf18("3","5","5","10","8","4","1") = "9"
    & skf18("3","5","5","10","8","5","1") = "9"
    & skf18("3","5","5","10","8","6","1") = "9"
    & skf18("3","5","5","10","8","7","1") = "9"
    & skf18("3","5","5","10","8","8","1") = "9"
    & skf18("3","5","5","10","8","9","1") = "9"
    & skf18("3","5","5","10","8","10","1") = "9"
    & skf18("3","5","5","10","9","1","1") = "9"
    & skf18("3","5","5","10","9","2","1") = "9"
    & skf18("3","5","5","10","9","3","1") = "9"
    & skf18("3","5","5","10","9","4","1") = "9"
    & skf18("3","5","5","10","9","5","1") = "9"
    & skf18("3","5","5","10","9","6","1") = "9"
    & skf18("3","5","5","10","9","7","1") = "9"
    & skf18("3","5","5","10","9","8","1") = "9"
    & skf18("3","5","5","10","9","9","1") = "9"
    & skf18("3","5","5","10","9","10","1") = "9"
    & skf18("3","5","5","10","10","1","1") = "9"
    & skf18("3","5","5","10","10","2","1") = "9"
    & skf18("3","5","5","10","10","3","1") = "9"
    & skf18("3","5","5","10","10","4","1") = "9"
    & skf18("3","5","5","10","10","5","1") = "9"
    & skf18("3","5","5","10","10","6","1") = "9"
    & skf18("3","5","5","10","10","7","1") = "9"
    & skf18("3","5","5","10","10","8","1") = "9"
    & skf18("3","5","5","10","10","9","1") = "9"
    & skf18("3","5","5","10","10","10","1") = "9"
    & skf18("3","5","6","1","1","1","1") = "5"
    & skf18("3","5","6","1","1","2","1") = "5"
    & skf18("3","5","6","1","1","3","1") = "5"
    & skf18("3","5","6","1","1","4","1") = "5"
    & skf18("3","5","6","1","1","5","1") = "5"
    & skf18("3","5","6","1","1","6","1") = "5"
    & skf18("3","5","6","1","1","7","1") = "6"
    & skf18("3","5","6","1","1","8","1") = "7"
    & skf18("3","5","6","1","1","9","1") = "8"
    & skf18("3","5","6","1","1","10","1") = "9"
    & skf18("3","5","6","1","2","1","1") = "5"
    & skf18("3","5","6","1","2","2","1") = "5"
    & skf18("3","5","6","1","2","3","1") = "5"
    & skf18("3","5","6","1","2","4","1") = "5"
    & skf18("3","5","6","1","2","5","1") = "5"
    & skf18("3","5","6","1","2","6","1") = "5"
    & skf18("3","5","6","1","2","7","1") = "6"
    & skf18("3","5","6","1","2","8","1") = "7"
    & skf18("3","5","6","1","2","9","1") = "8"
    & skf18("3","5","6","1","2","10","1") = "9"
    & skf18("3","5","6","1","3","1","1") = "5"
    & skf18("3","5","6","1","3","2","1") = "5"
    & skf18("3","5","6","1","3","3","1") = "5"
    & skf18("3","5","6","1","3","4","1") = "5"
    & skf18("3","5","6","1","3","5","1") = "5"
    & skf18("3","5","6","1","3","6","1") = "5"
    & skf18("3","5","6","1","3","7","1") = "6"
    & skf18("3","5","6","1","3","8","1") = "7"
    & skf18("3","5","6","1","3","9","1") = "8"
    & skf18("3","5","6","1","3","10","1") = "9"
    & skf18("3","5","6","1","4","1","1") = "5"
    & skf18("3","5","6","1","4","2","1") = "5"
    & skf18("3","5","6","1","4","3","1") = "5"
    & skf18("3","5","6","1","4","4","1") = "5"
    & skf18("3","5","6","1","4","5","1") = "5"
    & skf18("3","5","6","1","4","6","1") = "5"
    & skf18("3","5","6","1","4","7","1") = "6"
    & skf18("3","5","6","1","4","8","1") = "7"
    & skf18("3","5","6","1","4","9","1") = "8"
    & skf18("3","5","6","1","4","10","1") = "9"
    & skf18("3","5","6","1","5","1","1") = "5"
    & skf18("3","5","6","1","5","2","1") = "5"
    & skf18("3","5","6","1","5","3","1") = "5"
    & skf18("3","5","6","1","5","4","1") = "5"
    & skf18("3","5","6","1","5","5","1") = "5"
    & skf18("3","5","6","1","5","6","1") = "5"
    & skf18("3","5","6","1","5","7","1") = "6"
    & skf18("3","5","6","1","5","8","1") = "7"
    & skf18("3","5","6","1","5","9","1") = "8"
    & skf18("3","5","6","1","5","10","1") = "9"
    & skf18("3","5","6","1","6","1","1") = "5"
    & skf18("3","5","6","1","6","2","1") = "5"
    & skf18("3","5","6","1","6","3","1") = "5"
    & skf18("3","5","6","1","6","4","1") = "5"
    & skf18("3","5","6","1","6","5","1") = "5"
    & skf18("3","5","6","1","6","6","1") = "5"
    & skf18("3","5","6","1","6","7","1") = "6"
    & skf18("3","5","6","1","6","8","1") = "7"
    & skf18("3","5","6","1","6","9","1") = "8"
    & skf18("3","5","6","1","6","10","1") = "9"
    & skf18("3","5","6","1","7","1","1") = "6"
    & skf18("3","5","6","1","7","2","1") = "6"
    & skf18("3","5","6","1","7","3","1") = "6"
    & skf18("3","5","6","1","7","4","1") = "6"
    & skf18("3","5","6","1","7","5","1") = "6"
    & skf18("3","5","6","1","7","6","1") = "6"
    & skf18("3","5","6","1","7","7","1") = "6"
    & skf18("3","5","6","1","7","8","1") = "7"
    & skf18("3","5","6","1","7","9","1") = "8"
    & skf18("3","5","6","1","7","10","1") = "9"
    & skf18("3","5","6","1","8","1","1") = "7"
    & skf18("3","5","6","1","8","2","1") = "7"
    & skf18("3","5","6","1","8","3","1") = "7"
    & skf18("3","5","6","1","8","4","1") = "7"
    & skf18("3","5","6","1","8","5","1") = "7"
    & skf18("3","5","6","1","8","6","1") = "7"
    & skf18("3","5","6","1","8","7","1") = "7"
    & skf18("3","5","6","1","8","8","1") = "7"
    & skf18("3","5","6","1","8","9","1") = "8"
    & skf18("3","5","6","1","8","10","1") = "9"
    & skf18("3","5","6","1","9","1","1") = "8"
    & skf18("3","5","6","1","9","2","1") = "8"
    & skf18("3","5","6","1","9","3","1") = "8"
    & skf18("3","5","6","1","9","4","1") = "8"
    & skf18("3","5","6","1","9","5","1") = "8"
    & skf18("3","5","6","1","9","6","1") = "8"
    & skf18("3","5","6","1","9","7","1") = "8"
    & skf18("3","5","6","1","9","8","1") = "8"
    & skf18("3","5","6","1","9","9","1") = "8"
    & skf18("3","5","6","1","9","10","1") = "9"
    & skf18("3","5","6","1","10","1","1") = "9"
    & skf18("3","5","6","1","10","2","1") = "9"
    & skf18("3","5","6","1","10","3","1") = "9"
    & skf18("3","5","6","1","10","4","1") = "9"
    & skf18("3","5","6","1","10","5","1") = "9"
    & skf18("3","5","6","1","10","6","1") = "9"
    & skf18("3","5","6","1","10","7","1") = "9"
    & skf18("3","5","6","1","10","8","1") = "9"
    & skf18("3","5","6","1","10","9","1") = "9"
    & skf18("3","5","6","1","10","10","1") = "9"
    & skf18("3","5","6","2","1","1","1") = "5"
    & skf18("3","5","6","2","1","2","1") = "5"
    & skf18("3","5","6","2","1","3","1") = "5"
    & skf18("3","5","6","2","1","4","1") = "5"
    & skf18("3","5","6","2","1","5","1") = "5"
    & skf18("3","5","6","2","1","6","1") = "5"
    & skf18("3","5","6","2","1","7","1") = "6"
    & skf18("3","5","6","2","1","8","1") = "7"
    & skf18("3","5","6","2","1","9","1") = "8"
    & skf18("3","5","6","2","1","10","1") = "9"
    & skf18("3","5","6","2","2","1","1") = "5"
    & skf18("3","5","6","2","2","2","1") = "5"
    & skf18("3","5","6","2","2","3","1") = "5"
    & skf18("3","5","6","2","2","4","1") = "5"
    & skf18("3","5","6","2","2","5","1") = "5"
    & skf18("3","5","6","2","2","6","1") = "5"
    & skf18("3","5","6","2","2","7","1") = "6"
    & skf18("3","5","6","2","2","8","1") = "7"
    & skf18("3","5","6","2","2","9","1") = "8"
    & skf18("3","5","6","2","2","10","1") = "9"
    & skf18("3","5","6","2","3","1","1") = "5"
    & skf18("3","5","6","2","3","2","1") = "5"
    & skf18("3","5","6","2","3","3","1") = "5"
    & skf18("3","5","6","2","3","4","1") = "5"
    & skf18("3","5","6","2","3","5","1") = "5"
    & skf18("3","5","6","2","3","6","1") = "5"
    & skf18("3","5","6","2","3","7","1") = "6"
    & skf18("3","5","6","2","3","8","1") = "7"
    & skf18("3","5","6","2","3","9","1") = "8"
    & skf18("3","5","6","2","3","10","1") = "9"
    & skf18("3","5","6","2","4","1","1") = "5"
    & skf18("3","5","6","2","4","2","1") = "5"
    & skf18("3","5","6","2","4","3","1") = "5"
    & skf18("3","5","6","2","4","4","1") = "5"
    & skf18("3","5","6","2","4","5","1") = "5"
    & skf18("3","5","6","2","4","6","1") = "5"
    & skf18("3","5","6","2","4","7","1") = "6"
    & skf18("3","5","6","2","4","8","1") = "7"
    & skf18("3","5","6","2","4","9","1") = "8"
    & skf18("3","5","6","2","4","10","1") = "9"
    & skf18("3","5","6","2","5","1","1") = "5"
    & skf18("3","5","6","2","5","2","1") = "5"
    & skf18("3","5","6","2","5","3","1") = "5"
    & skf18("3","5","6","2","5","4","1") = "5"
    & skf18("3","5","6","2","5","5","1") = "5"
    & skf18("3","5","6","2","5","6","1") = "5"
    & skf18("3","5","6","2","5","7","1") = "6"
    & skf18("3","5","6","2","5","8","1") = "7"
    & skf18("3","5","6","2","5","9","1") = "8"
    & skf18("3","5","6","2","5","10","1") = "9"
    & skf18("3","5","6","2","6","1","1") = "5"
    & skf18("3","5","6","2","6","2","1") = "5"
    & skf18("3","5","6","2","6","3","1") = "5"
    & skf18("3","5","6","2","6","4","1") = "5"
    & skf18("3","5","6","2","6","5","1") = "5"
    & skf18("3","5","6","2","6","6","1") = "5"
    & skf18("3","5","6","2","6","7","1") = "6"
    & skf18("3","5","6","2","6","8","1") = "7"
    & skf18("3","5","6","2","6","9","1") = "8"
    & skf18("3","5","6","2","6","10","1") = "9"
    & skf18("3","5","6","2","7","1","1") = "6"
    & skf18("3","5","6","2","7","2","1") = "6"
    & skf18("3","5","6","2","7","3","1") = "6"
    & skf18("3","5","6","2","7","4","1") = "6"
    & skf18("3","5","6","2","7","5","1") = "6"
    & skf18("3","5","6","2","7","6","1") = "6"
    & skf18("3","5","6","2","7","7","1") = "6"
    & skf18("3","5","6","2","7","8","1") = "7"
    & skf18("3","5","6","2","7","9","1") = "8"
    & skf18("3","5","6","2","7","10","1") = "9"
    & skf18("3","5","6","2","8","1","1") = "7"
    & skf18("3","5","6","2","8","2","1") = "7"
    & skf18("3","5","6","2","8","3","1") = "7"
    & skf18("3","5","6","2","8","4","1") = "7"
    & skf18("3","5","6","2","8","5","1") = "7"
    & skf18("3","5","6","2","8","6","1") = "7"
    & skf18("3","5","6","2","8","7","1") = "7"
    & skf18("3","5","6","2","8","8","1") = "7"
    & skf18("3","5","6","2","8","9","1") = "8"
    & skf18("3","5","6","2","8","10","1") = "9"
    & skf18("3","5","6","2","9","1","1") = "8"
    & skf18("3","5","6","2","9","2","1") = "8"
    & skf18("3","5","6","2","9","3","1") = "8"
    & skf18("3","5","6","2","9","4","1") = "8"
    & skf18("3","5","6","2","9","5","1") = "8"
    & skf18("3","5","6","2","9","6","1") = "8"
    & skf18("3","5","6","2","9","7","1") = "8"
    & skf18("3","5","6","2","9","8","1") = "8"
    & skf18("3","5","6","2","9","9","1") = "8"
    & skf18("3","5","6","2","9","10","1") = "9"
    & skf18("3","5","6","2","10","1","1") = "9"
    & skf18("3","5","6","2","10","2","1") = "9"
    & skf18("3","5","6","2","10","3","1") = "9"
    & skf18("3","5","6","2","10","4","1") = "9"
    & skf18("3","5","6","2","10","5","1") = "9"
    & skf18("3","5","6","2","10","6","1") = "9"
    & skf18("3","5","6","2","10","7","1") = "9"
    & skf18("3","5","6","2","10","8","1") = "9"
    & skf18("3","5","6","2","10","9","1") = "9"
    & skf18("3","5","6","2","10","10","1") = "9"
    & skf18("3","5","6","3","1","1","1") = "5"
    & skf18("3","5","6","3","1","2","1") = "5"
    & skf18("3","5","6","3","1","3","1") = "5"
    & skf18("3","5","6","3","1","4","1") = "5"
    & skf18("3","5","6","3","1","5","1") = "5"
    & skf18("3","5","6","3","1","6","1") = "5"
    & skf18("3","5","6","3","1","7","1") = "6"
    & skf18("3","5","6","3","1","8","1") = "7"
    & skf18("3","5","6","3","1","9","1") = "8"
    & skf18("3","5","6","3","1","10","1") = "9"
    & skf18("3","5","6","3","2","1","1") = "5"
    & skf18("3","5","6","3","2","2","1") = "5"
    & skf18("3","5","6","3","2","3","1") = "5"
    & skf18("3","5","6","3","2","4","1") = "5"
    & skf18("3","5","6","3","2","5","1") = "5"
    & skf18("3","5","6","3","2","6","1") = "5"
    & skf18("3","5","6","3","2","7","1") = "6"
    & skf18("3","5","6","3","2","8","1") = "7"
    & skf18("3","5","6","3","2","9","1") = "8"
    & skf18("3","5","6","3","2","10","1") = "9"
    & skf18("3","5","6","3","3","1","1") = "5"
    & skf18("3","5","6","3","3","2","1") = "5"
    & skf18("3","5","6","3","3","3","1") = "5"
    & skf18("3","5","6","3","3","4","1") = "5"
    & skf18("3","5","6","3","3","5","1") = "5"
    & skf18("3","5","6","3","3","6","1") = "5"
    & skf18("3","5","6","3","3","7","1") = "6"
    & skf18("3","5","6","3","3","8","1") = "7"
    & skf18("3","5","6","3","3","9","1") = "8"
    & skf18("3","5","6","3","3","10","1") = "9"
    & skf18("3","5","6","3","4","1","1") = "5"
    & skf18("3","5","6","3","4","2","1") = "5"
    & skf18("3","5","6","3","4","3","1") = "5"
    & skf18("3","5","6","3","4","4","1") = "5"
    & skf18("3","5","6","3","4","5","1") = "5"
    & skf18("3","5","6","3","4","6","1") = "5"
    & skf18("3","5","6","3","4","7","1") = "6"
    & skf18("3","5","6","3","4","8","1") = "7"
    & skf18("3","5","6","3","4","9","1") = "8"
    & skf18("3","5","6","3","4","10","1") = "9"
    & skf18("3","5","6","3","5","1","1") = "5"
    & skf18("3","5","6","3","5","2","1") = "5"
    & skf18("3","5","6","3","5","3","1") = "5"
    & skf18("3","5","6","3","5","4","1") = "5"
    & skf18("3","5","6","3","5","5","1") = "5"
    & skf18("3","5","6","3","5","6","1") = "5"
    & skf18("3","5","6","3","5","7","1") = "6"
    & skf18("3","5","6","3","5","8","1") = "7"
    & skf18("3","5","6","3","5","9","1") = "8"
    & skf18("3","5","6","3","5","10","1") = "9"
    & skf18("3","5","6","3","6","1","1") = "5"
    & skf18("3","5","6","3","6","2","1") = "5"
    & skf18("3","5","6","3","6","3","1") = "5"
    & skf18("3","5","6","3","6","4","1") = "5"
    & skf18("3","5","6","3","6","5","1") = "5"
    & skf18("3","5","6","3","6","6","1") = "5"
    & skf18("3","5","6","3","6","7","1") = "6"
    & skf18("3","5","6","3","6","8","1") = "7"
    & skf18("3","5","6","3","6","9","1") = "8"
    & skf18("3","5","6","3","6","10","1") = "9"
    & skf18("3","5","6","3","7","1","1") = "6"
    & skf18("3","5","6","3","7","2","1") = "6"
    & skf18("3","5","6","3","7","3","1") = "6"
    & skf18("3","5","6","3","7","4","1") = "6"
    & skf18("3","5","6","3","7","5","1") = "6"
    & skf18("3","5","6","3","7","6","1") = "6"
    & skf18("3","5","6","3","7","7","1") = "6"
    & skf18("3","5","6","3","7","8","1") = "7"
    & skf18("3","5","6","3","7","9","1") = "8"
    & skf18("3","5","6","3","7","10","1") = "9"
    & skf18("3","5","6","3","8","1","1") = "7"
    & skf18("3","5","6","3","8","2","1") = "7"
    & skf18("3","5","6","3","8","3","1") = "7"
    & skf18("3","5","6","3","8","4","1") = "7"
    & skf18("3","5","6","3","8","5","1") = "7"
    & skf18("3","5","6","3","8","6","1") = "7"
    & skf18("3","5","6","3","8","7","1") = "7"
    & skf18("3","5","6","3","8","8","1") = "7"
    & skf18("3","5","6","3","8","9","1") = "8"
    & skf18("3","5","6","3","8","10","1") = "9"
    & skf18("3","5","6","3","9","1","1") = "8"
    & skf18("3","5","6","3","9","2","1") = "8"
    & skf18("3","5","6","3","9","3","1") = "8"
    & skf18("3","5","6","3","9","4","1") = "8"
    & skf18("3","5","6","3","9","5","1") = "8"
    & skf18("3","5","6","3","9","6","1") = "8"
    & skf18("3","5","6","3","9","7","1") = "8"
    & skf18("3","5","6","3","9","8","1") = "8"
    & skf18("3","5","6","3","9","9","1") = "8"
    & skf18("3","5","6","3","9","10","1") = "9"
    & skf18("3","5","6","3","10","1","1") = "9"
    & skf18("3","5","6","3","10","2","1") = "9"
    & skf18("3","5","6","3","10","3","1") = "9"
    & skf18("3","5","6","3","10","4","1") = "9"
    & skf18("3","5","6","3","10","5","1") = "9"
    & skf18("3","5","6","3","10","6","1") = "9"
    & skf18("3","5","6","3","10","7","1") = "9"
    & skf18("3","5","6","3","10","8","1") = "9"
    & skf18("3","5","6","3","10","9","1") = "9"
    & skf18("3","5","6","3","10","10","1") = "9"
    & skf18("3","5","6","4","1","1","1") = "5"
    & skf18("3","5","6","4","1","2","1") = "5"
    & skf18("3","5","6","4","1","3","1") = "5"
    & skf18("3","5","6","4","1","4","1") = "5"
    & skf18("3","5","6","4","1","5","1") = "5"
    & skf18("3","5","6","4","1","6","1") = "5"
    & skf18("3","5","6","4","1","7","1") = "6"
    & skf18("3","5","6","4","1","8","1") = "7"
    & skf18("3","5","6","4","1","9","1") = "8"
    & skf18("3","5","6","4","1","10","1") = "9"
    & skf18("3","5","6","4","2","1","1") = "5"
    & skf18("3","5","6","4","2","2","1") = "5"
    & skf18("3","5","6","4","2","3","1") = "5"
    & skf18("3","5","6","4","2","4","1") = "5"
    & skf18("3","5","6","4","2","5","1") = "5"
    & skf18("3","5","6","4","2","6","1") = "5"
    & skf18("3","5","6","4","2","7","1") = "6"
    & skf18("3","5","6","4","2","8","1") = "7"
    & skf18("3","5","6","4","2","9","1") = "8"
    & skf18("3","5","6","4","2","10","1") = "9"
    & skf18("3","5","6","4","3","1","1") = "5"
    & skf18("3","5","6","4","3","2","1") = "5"
    & skf18("3","5","6","4","3","3","1") = "5"
    & skf18("3","5","6","4","3","4","1") = "5"
    & skf18("3","5","6","4","3","5","1") = "5"
    & skf18("3","5","6","4","3","6","1") = "5"
    & skf18("3","5","6","4","3","7","1") = "6"
    & skf18("3","5","6","4","3","8","1") = "7"
    & skf18("3","5","6","4","3","9","1") = "8"
    & skf18("3","5","6","4","3","10","1") = "9"
    & skf18("3","5","6","4","4","1","1") = "5"
    & skf18("3","5","6","4","4","2","1") = "5"
    & skf18("3","5","6","4","4","3","1") = "5"
    & skf18("3","5","6","4","4","4","1") = "5"
    & skf18("3","5","6","4","4","5","1") = "5"
    & skf18("3","5","6","4","4","6","1") = "5"
    & skf18("3","5","6","4","4","7","1") = "6"
    & skf18("3","5","6","4","4","8","1") = "7"
    & skf18("3","5","6","4","4","9","1") = "8"
    & skf18("3","5","6","4","4","10","1") = "9"
    & skf18("3","5","6","4","5","1","1") = "5"
    & skf18("3","5","6","4","5","2","1") = "5"
    & skf18("3","5","6","4","5","3","1") = "5"
    & skf18("3","5","6","4","5","4","1") = "5"
    & skf18("3","5","6","4","5","5","1") = "5"
    & skf18("3","5","6","4","5","6","1") = "5"
    & skf18("3","5","6","4","5","7","1") = "6"
    & skf18("3","5","6","4","5","8","1") = "7"
    & skf18("3","5","6","4","5","9","1") = "8"
    & skf18("3","5","6","4","5","10","1") = "9"
    & skf18("3","5","6","4","6","1","1") = "5"
    & skf18("3","5","6","4","6","2","1") = "5"
    & skf18("3","5","6","4","6","3","1") = "5"
    & skf18("3","5","6","4","6","4","1") = "5"
    & skf18("3","5","6","4","6","5","1") = "5"
    & skf18("3","5","6","4","6","6","1") = "5"
    & skf18("3","5","6","4","6","7","1") = "6"
    & skf18("3","5","6","4","6","8","1") = "7"
    & skf18("3","5","6","4","6","9","1") = "8"
    & skf18("3","5","6","4","6","10","1") = "9"
    & skf18("3","5","6","4","7","1","1") = "6"
    & skf18("3","5","6","4","7","2","1") = "6"
    & skf18("3","5","6","4","7","3","1") = "6"
    & skf18("3","5","6","4","7","4","1") = "6"
    & skf18("3","5","6","4","7","5","1") = "6"
    & skf18("3","5","6","4","7","6","1") = "6"
    & skf18("3","5","6","4","7","7","1") = "6"
    & skf18("3","5","6","4","7","8","1") = "7"
    & skf18("3","5","6","4","7","9","1") = "8"
    & skf18("3","5","6","4","7","10","1") = "9"
    & skf18("3","5","6","4","8","1","1") = "7"
    & skf18("3","5","6","4","8","2","1") = "7"
    & skf18("3","5","6","4","8","3","1") = "7"
    & skf18("3","5","6","4","8","4","1") = "7"
    & skf18("3","5","6","4","8","5","1") = "7"
    & skf18("3","5","6","4","8","6","1") = "7"
    & skf18("3","5","6","4","8","7","1") = "7"
    & skf18("3","5","6","4","8","8","1") = "7"
    & skf18("3","5","6","4","8","9","1") = "8"
    & skf18("3","5","6","4","8","10","1") = "9"
    & skf18("3","5","6","4","9","1","1") = "8"
    & skf18("3","5","6","4","9","2","1") = "8"
    & skf18("3","5","6","4","9","3","1") = "8"
    & skf18("3","5","6","4","9","4","1") = "8"
    & skf18("3","5","6","4","9","5","1") = "8"
    & skf18("3","5","6","4","9","6","1") = "8"
    & skf18("3","5","6","4","9","7","1") = "8"
    & skf18("3","5","6","4","9","8","1") = "8"
    & skf18("3","5","6","4","9","9","1") = "8"
    & skf18("3","5","6","4","9","10","1") = "9"
    & skf18("3","5","6","4","10","1","1") = "9"
    & skf18("3","5","6","4","10","2","1") = "9"
    & skf18("3","5","6","4","10","3","1") = "9"
    & skf18("3","5","6","4","10","4","1") = "9"
    & skf18("3","5","6","4","10","5","1") = "9"
    & skf18("3","5","6","4","10","6","1") = "9"
    & skf18("3","5","6","4","10","7","1") = "9"
    & skf18("3","5","6","4","10","8","1") = "9"
    & skf18("3","5","6","4","10","9","1") = "9"
    & skf18("3","5","6","4","10","10","1") = "9"
    & skf18("3","5","6","5","1","1","1") = "5"
    & skf18("3","5","6","5","1","2","1") = "5"
    & skf18("3","5","6","5","1","3","1") = "5"
    & skf18("3","5","6","5","1","4","1") = "5"
    & skf18("3","5","6","5","1","5","1") = "5"
    & skf18("3","5","6","5","1","6","1") = "5"
    & skf18("3","5","6","5","1","7","1") = "6"
    & skf18("3","5","6","5","1","8","1") = "7"
    & skf18("3","5","6","5","1","9","1") = "8"
    & skf18("3","5","6","5","1","10","1") = "9"
    & skf18("3","5","6","5","2","1","1") = "5"
    & skf18("3","5","6","5","2","2","1") = "5"
    & skf18("3","5","6","5","2","3","1") = "5"
    & skf18("3","5","6","5","2","4","1") = "5"
    & skf18("3","5","6","5","2","5","1") = "5"
    & skf18("3","5","6","5","2","6","1") = "5"
    & skf18("3","5","6","5","2","7","1") = "6"
    & skf18("3","5","6","5","2","8","1") = "7"
    & skf18("3","5","6","5","2","9","1") = "8"
    & skf18("3","5","6","5","2","10","1") = "9"
    & skf18("3","5","6","5","3","1","1") = "5"
    & skf18("3","5","6","5","3","2","1") = "5"
    & skf18("3","5","6","5","3","3","1") = "5"
    & skf18("3","5","6","5","3","4","1") = "5"
    & skf18("3","5","6","5","3","5","1") = "5"
    & skf18("3","5","6","5","3","6","1") = "5"
    & skf18("3","5","6","5","3","7","1") = "6"
    & skf18("3","5","6","5","3","8","1") = "7"
    & skf18("3","5","6","5","3","9","1") = "8"
    & skf18("3","5","6","5","3","10","1") = "9"
    & skf18("3","5","6","5","4","1","1") = "5"
    & skf18("3","5","6","5","4","2","1") = "5"
    & skf18("3","5","6","5","4","3","1") = "5"
    & skf18("3","5","6","5","4","4","1") = "5"
    & skf18("3","5","6","5","4","5","1") = "5"
    & skf18("3","5","6","5","4","6","1") = "5"
    & skf18("3","5","6","5","4","7","1") = "6"
    & skf18("3","5","6","5","4","8","1") = "7"
    & skf18("3","5","6","5","4","9","1") = "8"
    & skf18("3","5","6","5","4","10","1") = "9"
    & skf18("3","5","6","5","5","1","1") = "5"
    & skf18("3","5","6","5","5","2","1") = "5"
    & skf18("3","5","6","5","5","3","1") = "5"
    & skf18("3","5","6","5","5","4","1") = "5"
    & skf18("3","5","6","5","5","5","1") = "5"
    & skf18("3","5","6","5","5","6","1") = "5"
    & skf18("3","5","6","5","5","7","1") = "6"
    & skf18("3","5","6","5","5","8","1") = "7"
    & skf18("3","5","6","5","5","9","1") = "8"
    & skf18("3","5","6","5","5","10","1") = "9"
    & skf18("3","5","6","5","6","1","1") = "5"
    & skf18("3","5","6","5","6","2","1") = "5"
    & skf18("3","5","6","5","6","3","1") = "5"
    & skf18("3","5","6","5","6","4","1") = "5"
    & skf18("3","5","6","5","6","5","1") = "5"
    & skf18("3","5","6","5","6","6","1") = "5"
    & skf18("3","5","6","5","6","7","1") = "6"
    & skf18("3","5","6","5","6","8","1") = "7"
    & skf18("3","5","6","5","6","9","1") = "8"
    & skf18("3","5","6","5","6","10","1") = "9"
    & skf18("3","5","6","5","7","1","1") = "6"
    & skf18("3","5","6","5","7","2","1") = "6"
    & skf18("3","5","6","5","7","3","1") = "6"
    & skf18("3","5","6","5","7","4","1") = "6"
    & skf18("3","5","6","5","7","5","1") = "6"
    & skf18("3","5","6","5","7","6","1") = "6"
    & skf18("3","5","6","5","7","7","1") = "6"
    & skf18("3","5","6","5","7","8","1") = "7"
    & skf18("3","5","6","5","7","9","1") = "8"
    & skf18("3","5","6","5","7","10","1") = "9"
    & skf18("3","5","6","5","8","1","1") = "7"
    & skf18("3","5","6","5","8","2","1") = "7"
    & skf18("3","5","6","5","8","3","1") = "7"
    & skf18("3","5","6","5","8","4","1") = "7"
    & skf18("3","5","6","5","8","5","1") = "7"
    & skf18("3","5","6","5","8","6","1") = "7"
    & skf18("3","5","6","5","8","7","1") = "7"
    & skf18("3","5","6","5","8","8","1") = "7"
    & skf18("3","5","6","5","8","9","1") = "8"
    & skf18("3","5","6","5","8","10","1") = "9"
    & skf18("3","5","6","5","9","1","1") = "8"
    & skf18("3","5","6","5","9","2","1") = "8"
    & skf18("3","5","6","5","9","3","1") = "8"
    & skf18("3","5","6","5","9","4","1") = "8"
    & skf18("3","5","6","5","9","5","1") = "8"
    & skf18("3","5","6","5","9","6","1") = "8"
    & skf18("3","5","6","5","9","7","1") = "8"
    & skf18("3","5","6","5","9","8","1") = "8"
    & skf18("3","5","6","5","9","9","1") = "8"
    & skf18("3","5","6","5","9","10","1") = "9"
    & skf18("3","5","6","5","10","1","1") = "9"
    & skf18("3","5","6","5","10","2","1") = "9"
    & skf18("3","5","6","5","10","3","1") = "9"
    & skf18("3","5","6","5","10","4","1") = "9"
    & skf18("3","5","6","5","10","5","1") = "9"
    & skf18("3","5","6","5","10","6","1") = "9"
    & skf18("3","5","6","5","10","7","1") = "9"
    & skf18("3","5","6","5","10","8","1") = "9"
    & skf18("3","5","6","5","10","9","1") = "9"
    & skf18("3","5","6","5","10","10","1") = "9"
    & skf18("3","5","6","6","1","1","1") = "5"
    & skf18("3","5","6","6","1","2","1") = "5"
    & skf18("3","5","6","6","1","3","1") = "5"
    & skf18("3","5","6","6","1","4","1") = "5"
    & skf18("3","5","6","6","1","5","1") = "5"
    & skf18("3","5","6","6","1","6","1") = "5"
    & skf18("3","5","6","6","1","7","1") = "6"
    & skf18("3","5","6","6","1","8","1") = "7"
    & skf18("3","5","6","6","1","9","1") = "8"
    & skf18("3","5","6","6","1","10","1") = "9"
    & skf18("3","5","6","6","2","1","1") = "5"
    & skf18("3","5","6","6","2","2","1") = "5"
    & skf18("3","5","6","6","2","3","1") = "5"
    & skf18("3","5","6","6","2","4","1") = "5"
    & skf18("3","5","6","6","2","5","1") = "5"
    & skf18("3","5","6","6","2","6","1") = "5"
    & skf18("3","5","6","6","2","7","1") = "6"
    & skf18("3","5","6","6","2","8","1") = "7"
    & skf18("3","5","6","6","2","9","1") = "8"
    & skf18("3","5","6","6","2","10","1") = "9"
    & skf18("3","5","6","6","3","1","1") = "5"
    & skf18("3","5","6","6","3","2","1") = "5"
    & skf18("3","5","6","6","3","3","1") = "5"
    & skf18("3","5","6","6","3","4","1") = "5"
    & skf18("3","5","6","6","3","5","1") = "5"
    & skf18("3","5","6","6","3","6","1") = "5"
    & skf18("3","5","6","6","3","7","1") = "6"
    & skf18("3","5","6","6","3","8","1") = "7"
    & skf18("3","5","6","6","3","9","1") = "8"
    & skf18("3","5","6","6","3","10","1") = "9"
    & skf18("3","5","6","6","4","1","1") = "5"
    & skf18("3","5","6","6","4","2","1") = "5"
    & skf18("3","5","6","6","4","3","1") = "5"
    & skf18("3","5","6","6","4","4","1") = "5"
    & skf18("3","5","6","6","4","5","1") = "5"
    & skf18("3","5","6","6","4","6","1") = "5"
    & skf18("3","5","6","6","4","7","1") = "6"
    & skf18("3","5","6","6","4","8","1") = "7"
    & skf18("3","5","6","6","4","9","1") = "8"
    & skf18("3","5","6","6","4","10","1") = "9"
    & skf18("3","5","6","6","5","1","1") = "5"
    & skf18("3","5","6","6","5","2","1") = "5"
    & skf18("3","5","6","6","5","3","1") = "5"
    & skf18("3","5","6","6","5","4","1") = "5"
    & skf18("3","5","6","6","5","5","1") = "5"
    & skf18("3","5","6","6","5","6","1") = "5"
    & skf18("3","5","6","6","5","7","1") = "6"
    & skf18("3","5","6","6","5","8","1") = "7"
    & skf18("3","5","6","6","5","9","1") = "8"
    & skf18("3","5","6","6","5","10","1") = "9"
    & skf18("3","5","6","6","6","1","1") = "5"
    & skf18("3","5","6","6","6","2","1") = "5"
    & skf18("3","5","6","6","6","3","1") = "5"
    & skf18("3","5","6","6","6","4","1") = "5"
    & skf18("3","5","6","6","6","5","1") = "5"
    & skf18("3","5","6","6","6","6","1") = "5"
    & skf18("3","5","6","6","6","7","1") = "6"
    & skf18("3","5","6","6","6","8","1") = "7"
    & skf18("3","5","6","6","6","9","1") = "8"
    & skf18("3","5","6","6","6","10","1") = "9"
    & skf18("3","5","6","6","7","1","1") = "6"
    & skf18("3","5","6","6","7","2","1") = "6"
    & skf18("3","5","6","6","7","3","1") = "6"
    & skf18("3","5","6","6","7","4","1") = "6"
    & skf18("3","5","6","6","7","5","1") = "6"
    & skf18("3","5","6","6","7","6","1") = "6"
    & skf18("3","5","6","6","7","7","1") = "6"
    & skf18("3","5","6","6","7","8","1") = "7"
    & skf18("3","5","6","6","7","9","1") = "8"
    & skf18("3","5","6","6","7","10","1") = "9"
    & skf18("3","5","6","6","8","1","1") = "7"
    & skf18("3","5","6","6","8","2","1") = "7"
    & skf18("3","5","6","6","8","3","1") = "7"
    & skf18("3","5","6","6","8","4","1") = "7"
    & skf18("3","5","6","6","8","5","1") = "7"
    & skf18("3","5","6","6","8","6","1") = "7"
    & skf18("3","5","6","6","8","7","1") = "7"
    & skf18("3","5","6","6","8","8","1") = "7"
    & skf18("3","5","6","6","8","9","1") = "8"
    & skf18("3","5","6","6","8","10","1") = "9"
    & skf18("3","5","6","6","9","1","1") = "8"
    & skf18("3","5","6","6","9","2","1") = "8"
    & skf18("3","5","6","6","9","3","1") = "8"
    & skf18("3","5","6","6","9","4","1") = "8"
    & skf18("3","5","6","6","9","5","1") = "8"
    & skf18("3","5","6","6","9","6","1") = "8"
    & skf18("3","5","6","6","9","7","1") = "8"
    & skf18("3","5","6","6","9","8","1") = "8"
    & skf18("3","5","6","6","9","9","1") = "8"
    & skf18("3","5","6","6","9","10","1") = "9"
    & skf18("3","5","6","6","10","1","1") = "9"
    & skf18("3","5","6","6","10","2","1") = "9"
    & skf18("3","5","6","6","10","3","1") = "9"
    & skf18("3","5","6","6","10","4","1") = "9"
    & skf18("3","5","6","6","10","5","1") = "9"
    & skf18("3","5","6","6","10","6","1") = "9"
    & skf18("3","5","6","6","10","7","1") = "9"
    & skf18("3","5","6","6","10","8","1") = "9"
    & skf18("3","5","6","6","10","9","1") = "9"
    & skf18("3","5","6","6","10","10","1") = "9"
    & skf18("3","5","6","7","1","1","1") = "6"
    & skf18("3","5","6","7","1","2","1") = "6"
    & skf18("3","5","6","7","1","3","1") = "6"
    & skf18("3","5","6","7","1","4","1") = "6"
    & skf18("3","5","6","7","1","5","1") = "6"
    & skf18("3","5","6","7","1","6","1") = "6"
    & skf18("3","5","6","7","1","7","1") = "6"
    & skf18("3","5","6","7","1","8","1") = "7"
    & skf18("3","5","6","7","1","9","1") = "8"
    & skf18("3","5","6","7","1","10","1") = "9"
    & skf18("3","5","6","7","2","1","1") = "6"
    & skf18("3","5","6","7","2","2","1") = "6"
    & skf18("3","5","6","7","2","3","1") = "6"
    & skf18("3","5","6","7","2","4","1") = "6"
    & skf18("3","5","6","7","2","5","1") = "6"
    & skf18("3","5","6","7","2","6","1") = "6"
    & skf18("3","5","6","7","2","7","1") = "6"
    & skf18("3","5","6","7","2","8","1") = "7"
    & skf18("3","5","6","7","2","9","1") = "8"
    & skf18("3","5","6","7","2","10","1") = "9"
    & skf18("3","5","6","7","3","1","1") = "6"
    & skf18("3","5","6","7","3","2","1") = "6"
    & skf18("3","5","6","7","3","3","1") = "6"
    & skf18("3","5","6","7","3","4","1") = "6"
    & skf18("3","5","6","7","3","5","1") = "6"
    & skf18("3","5","6","7","3","6","1") = "6"
    & skf18("3","5","6","7","3","7","1") = "6"
    & skf18("3","5","6","7","3","8","1") = "7"
    & skf18("3","5","6","7","3","9","1") = "8"
    & skf18("3","5","6","7","3","10","1") = "9"
    & skf18("3","5","6","7","4","1","1") = "6"
    & skf18("3","5","6","7","4","2","1") = "6"
    & skf18("3","5","6","7","4","3","1") = "6"
    & skf18("3","5","6","7","4","4","1") = "6"
    & skf18("3","5","6","7","4","5","1") = "6"
    & skf18("3","5","6","7","4","6","1") = "6"
    & skf18("3","5","6","7","4","7","1") = "6"
    & skf18("3","5","6","7","4","8","1") = "7"
    & skf18("3","5","6","7","4","9","1") = "8"
    & skf18("3","5","6","7","4","10","1") = "9"
    & skf18("3","5","6","7","5","1","1") = "6"
    & skf18("3","5","6","7","5","2","1") = "6"
    & skf18("3","5","6","7","5","3","1") = "6"
    & skf18("3","5","6","7","5","4","1") = "6"
    & skf18("3","5","6","7","5","5","1") = "6"
    & skf18("3","5","6","7","5","6","1") = "6"
    & skf18("3","5","6","7","5","7","1") = "6"
    & skf18("3","5","6","7","5","8","1") = "7"
    & skf18("3","5","6","7","5","9","1") = "8"
    & skf18("3","5","6","7","5","10","1") = "9"
    & skf18("3","5","6","7","6","1","1") = "6"
    & skf18("3","5","6","7","6","2","1") = "6"
    & skf18("3","5","6","7","6","3","1") = "6"
    & skf18("3","5","6","7","6","4","1") = "6"
    & skf18("3","5","6","7","6","5","1") = "6"
    & skf18("3","5","6","7","6","6","1") = "6"
    & skf18("3","5","6","7","6","7","1") = "6"
    & skf18("3","5","6","7","6","8","1") = "7"
    & skf18("3","5","6","7","6","9","1") = "8"
    & skf18("3","5","6","7","6","10","1") = "9"
    & skf18("3","5","6","7","7","1","1") = "6"
    & skf18("3","5","6","7","7","2","1") = "6"
    & skf18("3","5","6","7","7","3","1") = "6"
    & skf18("3","5","6","7","7","4","1") = "6"
    & skf18("3","5","6","7","7","5","1") = "6"
    & skf18("3","5","6","7","7","6","1") = "6"
    & skf18("3","5","6","7","7","7","1") = "6"
    & skf18("3","5","6","7","7","8","1") = "7"
    & skf18("3","5","6","7","7","9","1") = "8"
    & skf18("3","5","6","7","7","10","1") = "9"
    & skf18("3","5","6","7","8","1","1") = "7"
    & skf18("3","5","6","7","8","2","1") = "7"
    & skf18("3","5","6","7","8","3","1") = "7"
    & skf18("3","5","6","7","8","4","1") = "7"
    & skf18("3","5","6","7","8","5","1") = "7"
    & skf18("3","5","6","7","8","6","1") = "7"
    & skf18("3","5","6","7","8","7","1") = "7"
    & skf18("3","5","6","7","8","8","1") = "7"
    & skf18("3","5","6","7","8","9","1") = "8"
    & skf18("3","5","6","7","8","10","1") = "9"
    & skf18("3","5","6","7","9","1","1") = "8"
    & skf18("3","5","6","7","9","2","1") = "8"
    & skf18("3","5","6","7","9","3","1") = "8"
    & skf18("3","5","6","7","9","4","1") = "8"
    & skf18("3","5","6","7","9","5","1") = "8"
    & skf18("3","5","6","7","9","6","1") = "8"
    & skf18("3","5","6","7","9","7","1") = "8"
    & skf18("3","5","6","7","9","8","1") = "8"
    & skf18("3","5","6","7","9","9","1") = "8"
    & skf18("3","5","6","7","9","10","1") = "9"
    & skf18("3","5","6","7","10","1","1") = "9"
    & skf18("3","5","6","7","10","2","1") = "9"
    & skf18("3","5","6","7","10","3","1") = "9"
    & skf18("3","5","6","7","10","4","1") = "9"
    & skf18("3","5","6","7","10","5","1") = "9"
    & skf18("3","5","6","7","10","6","1") = "9"
    & skf18("3","5","6","7","10","7","1") = "9"
    & skf18("3","5","6","7","10","8","1") = "9"
    & skf18("3","5","6","7","10","9","1") = "9"
    & skf18("3","5","6","7","10","10","1") = "9"
    & skf18("3","5","6","8","1","1","1") = "7"
    & skf18("3","5","6","8","1","2","1") = "7"
    & skf18("3","5","6","8","1","3","1") = "7"
    & skf18("3","5","6","8","1","4","1") = "7"
    & skf18("3","5","6","8","1","5","1") = "7"
    & skf18("3","5","6","8","1","6","1") = "7"
    & skf18("3","5","6","8","1","7","1") = "7"
    & skf18("3","5","6","8","1","8","1") = "7"
    & skf18("3","5","6","8","1","9","1") = "8"
    & skf18("3","5","6","8","1","10","1") = "9"
    & skf18("3","5","6","8","2","1","1") = "7"
    & skf18("3","5","6","8","2","2","1") = "7"
    & skf18("3","5","6","8","2","3","1") = "7"
    & skf18("3","5","6","8","2","4","1") = "7"
    & skf18("3","5","6","8","2","5","1") = "7"
    & skf18("3","5","6","8","2","6","1") = "7"
    & skf18("3","5","6","8","2","7","1") = "7"
    & skf18("3","5","6","8","2","8","1") = "7"
    & skf18("3","5","6","8","2","9","1") = "8"
    & skf18("3","5","6","8","2","10","1") = "9"
    & skf18("3","5","6","8","3","1","1") = "7"
    & skf18("3","5","6","8","3","2","1") = "7"
    & skf18("3","5","6","8","3","3","1") = "7"
    & skf18("3","5","6","8","3","4","1") = "7"
    & skf18("3","5","6","8","3","5","1") = "7"
    & skf18("3","5","6","8","3","6","1") = "7"
    & skf18("3","5","6","8","3","7","1") = "7"
    & skf18("3","5","6","8","3","8","1") = "7"
    & skf18("3","5","6","8","3","9","1") = "8"
    & skf18("3","5","6","8","3","10","1") = "9"
    & skf18("3","5","6","8","4","1","1") = "7"
    & skf18("3","5","6","8","4","2","1") = "7"
    & skf18("3","5","6","8","4","3","1") = "7"
    & skf18("3","5","6","8","4","4","1") = "7"
    & skf18("3","5","6","8","4","5","1") = "7"
    & skf18("3","5","6","8","4","6","1") = "7"
    & skf18("3","5","6","8","4","7","1") = "7"
    & skf18("3","5","6","8","4","8","1") = "7"
    & skf18("3","5","6","8","4","9","1") = "8"
    & skf18("3","5","6","8","4","10","1") = "9"
    & skf18("3","5","6","8","5","1","1") = "7"
    & skf18("3","5","6","8","5","2","1") = "7"
    & skf18("3","5","6","8","5","3","1") = "7"
    & skf18("3","5","6","8","5","4","1") = "7"
    & skf18("3","5","6","8","5","5","1") = "7"
    & skf18("3","5","6","8","5","6","1") = "7"
    & skf18("3","5","6","8","5","7","1") = "7"
    & skf18("3","5","6","8","5","8","1") = "7"
    & skf18("3","5","6","8","5","9","1") = "8"
    & skf18("3","5","6","8","5","10","1") = "9"
    & skf18("3","5","6","8","6","1","1") = "7"
    & skf18("3","5","6","8","6","2","1") = "7"
    & skf18("3","5","6","8","6","3","1") = "7"
    & skf18("3","5","6","8","6","4","1") = "7"
    & skf18("3","5","6","8","6","5","1") = "7"
    & skf18("3","5","6","8","6","6","1") = "7"
    & skf18("3","5","6","8","6","7","1") = "7"
    & skf18("3","5","6","8","6","8","1") = "7"
    & skf18("3","5","6","8","6","9","1") = "8"
    & skf18("3","5","6","8","6","10","1") = "9"
    & skf18("3","5","6","8","7","1","1") = "7"
    & skf18("3","5","6","8","7","2","1") = "7"
    & skf18("3","5","6","8","7","3","1") = "7"
    & skf18("3","5","6","8","7","4","1") = "7"
    & skf18("3","5","6","8","7","5","1") = "7"
    & skf18("3","5","6","8","7","6","1") = "7"
    & skf18("3","5","6","8","7","7","1") = "7"
    & skf18("3","5","6","8","7","8","1") = "7"
    & skf18("3","5","6","8","7","9","1") = "8"
    & skf18("3","5","6","8","7","10","1") = "9"
    & skf18("3","5","6","8","8","1","1") = "7"
    & skf18("3","5","6","8","8","2","1") = "7"
    & skf18("3","5","6","8","8","3","1") = "7"
    & skf18("3","5","6","8","8","4","1") = "7"
    & skf18("3","5","6","8","8","5","1") = "7"
    & skf18("3","5","6","8","8","6","1") = "7"
    & skf18("3","5","6","8","8","7","1") = "7"
    & skf18("3","5","6","8","8","8","1") = "7"
    & skf18("3","5","6","8","8","9","1") = "8"
    & skf18("3","5","6","8","8","10","1") = "9"
    & skf18("3","5","6","8","9","1","1") = "8"
    & skf18("3","5","6","8","9","2","1") = "8"
    & skf18("3","5","6","8","9","3","1") = "8"
    & skf18("3","5","6","8","9","4","1") = "8"
    & skf18("3","5","6","8","9","5","1") = "8"
    & skf18("3","5","6","8","9","6","1") = "8"
    & skf18("3","5","6","8","9","7","1") = "8"
    & skf18("3","5","6","8","9","8","1") = "8"
    & skf18("3","5","6","8","9","9","1") = "8"
    & skf18("3","5","6","8","9","10","1") = "9"
    & skf18("3","5","6","8","10","1","1") = "9"
    & skf18("3","5","6","8","10","2","1") = "9"
    & skf18("3","5","6","8","10","3","1") = "9"
    & skf18("3","5","6","8","10","4","1") = "9"
    & skf18("3","5","6","8","10","5","1") = "9"
    & skf18("3","5","6","8","10","6","1") = "9"
    & skf18("3","5","6","8","10","7","1") = "9"
    & skf18("3","5","6","8","10","8","1") = "9"
    & skf18("3","5","6","8","10","9","1") = "9"
    & skf18("3","5","6","8","10","10","1") = "9"
    & skf18("3","5","6","9","1","1","1") = "8"
    & skf18("3","5","6","9","1","2","1") = "8"
    & skf18("3","5","6","9","1","3","1") = "8"
    & skf18("3","5","6","9","1","4","1") = "8"
    & skf18("3","5","6","9","1","5","1") = "8"
    & skf18("3","5","6","9","1","6","1") = "8"
    & skf18("3","5","6","9","1","7","1") = "8"
    & skf18("3","5","6","9","1","8","1") = "8"
    & skf18("3","5","6","9","1","9","1") = "8"
    & skf18("3","5","6","9","1","10","1") = "9"
    & skf18("3","5","6","9","2","1","1") = "8"
    & skf18("3","5","6","9","2","2","1") = "8"
    & skf18("3","5","6","9","2","3","1") = "8"
    & skf18("3","5","6","9","2","4","1") = "8"
    & skf18("3","5","6","9","2","5","1") = "8"
    & skf18("3","5","6","9","2","6","1") = "8"
    & skf18("3","5","6","9","2","7","1") = "8"
    & skf18("3","5","6","9","2","8","1") = "8"
    & skf18("3","5","6","9","2","9","1") = "8"
    & skf18("3","5","6","9","2","10","1") = "9"
    & skf18("3","5","6","9","3","1","1") = "8"
    & skf18("3","5","6","9","3","2","1") = "8"
    & skf18("3","5","6","9","3","3","1") = "8"
    & skf18("3","5","6","9","3","4","1") = "8"
    & skf18("3","5","6","9","3","5","1") = "8"
    & skf18("3","5","6","9","3","6","1") = "8"
    & skf18("3","5","6","9","3","7","1") = "8"
    & skf18("3","5","6","9","3","8","1") = "8"
    & skf18("3","5","6","9","3","9","1") = "8"
    & skf18("3","5","6","9","3","10","1") = "9"
    & skf18("3","5","6","9","4","1","1") = "8"
    & skf18("3","5","6","9","4","2","1") = "8"
    & skf18("3","5","6","9","4","3","1") = "8"
    & skf18("3","5","6","9","4","4","1") = "8"
    & skf18("3","5","6","9","4","5","1") = "8"
    & skf18("3","5","6","9","4","6","1") = "8"
    & skf18("3","5","6","9","4","7","1") = "8"
    & skf18("3","5","6","9","4","8","1") = "8"
    & skf18("3","5","6","9","4","9","1") = "8"
    & skf18("3","5","6","9","4","10","1") = "9"
    & skf18("3","5","6","9","5","1","1") = "8"
    & skf18("3","5","6","9","5","2","1") = "8"
    & skf18("3","5","6","9","5","3","1") = "8"
    & skf18("3","5","6","9","5","4","1") = "8"
    & skf18("3","5","6","9","5","5","1") = "8"
    & skf18("3","5","6","9","5","6","1") = "8"
    & skf18("3","5","6","9","5","7","1") = "8"
    & skf18("3","5","6","9","5","8","1") = "8"
    & skf18("3","5","6","9","5","9","1") = "8"
    & skf18("3","5","6","9","5","10","1") = "9"
    & skf18("3","5","6","9","6","1","1") = "8"
    & skf18("3","5","6","9","6","2","1") = "8"
    & skf18("3","5","6","9","6","3","1") = "8"
    & skf18("3","5","6","9","6","4","1") = "8"
    & skf18("3","5","6","9","6","5","1") = "8"
    & skf18("3","5","6","9","6","6","1") = "8"
    & skf18("3","5","6","9","6","7","1") = "8"
    & skf18("3","5","6","9","6","8","1") = "8"
    & skf18("3","5","6","9","6","9","1") = "8"
    & skf18("3","5","6","9","6","10","1") = "9"
    & skf18("3","5","6","9","7","1","1") = "8"
    & skf18("3","5","6","9","7","2","1") = "8"
    & skf18("3","5","6","9","7","3","1") = "8"
    & skf18("3","5","6","9","7","4","1") = "8"
    & skf18("3","5","6","9","7","5","1") = "8"
    & skf18("3","5","6","9","7","6","1") = "8"
    & skf18("3","5","6","9","7","7","1") = "8"
    & skf18("3","5","6","9","7","8","1") = "8"
    & skf18("3","5","6","9","7","9","1") = "8"
    & skf18("3","5","6","9","7","10","1") = "9"
    & skf18("3","5","6","9","8","1","1") = "8"
    & skf18("3","5","6","9","8","2","1") = "8"
    & skf18("3","5","6","9","8","3","1") = "8"
    & skf18("3","5","6","9","8","4","1") = "8"
    & skf18("3","5","6","9","8","5","1") = "8"
    & skf18("3","5","6","9","8","6","1") = "8"
    & skf18("3","5","6","9","8","7","1") = "8"
    & skf18("3","5","6","9","8","8","1") = "8"
    & skf18("3","5","6","9","8","9","1") = "8"
    & skf18("3","5","6","9","8","10","1") = "9"
    & skf18("3","5","6","9","9","1","1") = "8"
    & skf18("3","5","6","9","9","2","1") = "8"
    & skf18("3","5","6","9","9","3","1") = "8"
    & skf18("3","5","6","9","9","4","1") = "8"
    & skf18("3","5","6","9","9","5","1") = "8"
    & skf18("3","5","6","9","9","6","1") = "8"
    & skf18("3","5","6","9","9","7","1") = "8"
    & skf18("3","5","6","9","9","8","1") = "8"
    & skf18("3","5","6","9","9","9","1") = "8"
    & skf18("3","5","6","9","9","10","1") = "9"
    & skf18("3","5","6","9","10","1","1") = "9"
    & skf18("3","5","6","9","10","2","1") = "9"
    & skf18("3","5","6","9","10","3","1") = "9"
    & skf18("3","5","6","9","10","4","1") = "9"
    & skf18("3","5","6","9","10","5","1") = "9"
    & skf18("3","5","6","9","10","6","1") = "9"
    & skf18("3","5","6","9","10","7","1") = "9"
    & skf18("3","5","6","9","10","8","1") = "9"
    & skf18("3","5","6","9","10","9","1") = "9"
    & skf18("3","5","6","9","10","10","1") = "9"
    & skf18("3","5","6","10","1","1","1") = "9"
    & skf18("3","5","6","10","1","2","1") = "9"
    & skf18("3","5","6","10","1","3","1") = "9"
    & skf18("3","5","6","10","1","4","1") = "9"
    & skf18("3","5","6","10","1","5","1") = "9"
    & skf18("3","5","6","10","1","6","1") = "9"
    & skf18("3","5","6","10","1","7","1") = "9"
    & skf18("3","5","6","10","1","8","1") = "9"
    & skf18("3","5","6","10","1","9","1") = "9"
    & skf18("3","5","6","10","1","10","1") = "9"
    & skf18("3","5","6","10","2","1","1") = "9"
    & skf18("3","5","6","10","2","2","1") = "9"
    & skf18("3","5","6","10","2","3","1") = "9"
    & skf18("3","5","6","10","2","4","1") = "9"
    & skf18("3","5","6","10","2","5","1") = "9"
    & skf18("3","5","6","10","2","6","1") = "9"
    & skf18("3","5","6","10","2","7","1") = "9"
    & skf18("3","5","6","10","2","8","1") = "9"
    & skf18("3","5","6","10","2","9","1") = "9"
    & skf18("3","5","6","10","2","10","1") = "9"
    & skf18("3","5","6","10","3","1","1") = "9"
    & skf18("3","5","6","10","3","2","1") = "9"
    & skf18("3","5","6","10","3","3","1") = "9"
    & skf18("3","5","6","10","3","4","1") = "9"
    & skf18("3","5","6","10","3","5","1") = "9"
    & skf18("3","5","6","10","3","6","1") = "9"
    & skf18("3","5","6","10","3","7","1") = "9"
    & skf18("3","5","6","10","3","8","1") = "9"
    & skf18("3","5","6","10","3","9","1") = "9"
    & skf18("3","5","6","10","3","10","1") = "9"
    & skf18("3","5","6","10","4","1","1") = "9"
    & skf18("3","5","6","10","4","2","1") = "9"
    & skf18("3","5","6","10","4","3","1") = "9"
    & skf18("3","5","6","10","4","4","1") = "9"
    & skf18("3","5","6","10","4","5","1") = "9"
    & skf18("3","5","6","10","4","6","1") = "9"
    & skf18("3","5","6","10","4","7","1") = "9"
    & skf18("3","5","6","10","4","8","1") = "9"
    & skf18("3","5","6","10","4","9","1") = "9"
    & skf18("3","5","6","10","4","10","1") = "9"
    & skf18("3","5","6","10","5","1","1") = "9"
    & skf18("3","5","6","10","5","2","1") = "9"
    & skf18("3","5","6","10","5","3","1") = "9"
    & skf18("3","5","6","10","5","4","1") = "9"
    & skf18("3","5","6","10","5","5","1") = "9"
    & skf18("3","5","6","10","5","6","1") = "9"
    & skf18("3","5","6","10","5","7","1") = "9"
    & skf18("3","5","6","10","5","8","1") = "9"
    & skf18("3","5","6","10","5","9","1") = "9"
    & skf18("3","5","6","10","5","10","1") = "9"
    & skf18("3","5","6","10","6","1","1") = "9"
    & skf18("3","5","6","10","6","2","1") = "9"
    & skf18("3","5","6","10","6","3","1") = "9"
    & skf18("3","5","6","10","6","4","1") = "9"
    & skf18("3","5","6","10","6","5","1") = "9"
    & skf18("3","5","6","10","6","6","1") = "9"
    & skf18("3","5","6","10","6","7","1") = "9"
    & skf18("3","5","6","10","6","8","1") = "9"
    & skf18("3","5","6","10","6","9","1") = "9"
    & skf18("3","5","6","10","6","10","1") = "9"
    & skf18("3","5","6","10","7","1","1") = "9"
    & skf18("3","5","6","10","7","2","1") = "9"
    & skf18("3","5","6","10","7","3","1") = "9"
    & skf18("3","5","6","10","7","4","1") = "9"
    & skf18("3","5","6","10","7","5","1") = "9"
    & skf18("3","5","6","10","7","6","1") = "9"
    & skf18("3","5","6","10","7","7","1") = "9"
    & skf18("3","5","6","10","7","8","1") = "9"
    & skf18("3","5","6","10","7","9","1") = "9"
    & skf18("3","5","6","10","7","10","1") = "9"
    & skf18("3","5","6","10","8","1","1") = "9"
    & skf18("3","5","6","10","8","2","1") = "9"
    & skf18("3","5","6","10","8","3","1") = "9"
    & skf18("3","5","6","10","8","4","1") = "9"
    & skf18("3","5","6","10","8","5","1") = "9"
    & skf18("3","5","6","10","8","6","1") = "9"
    & skf18("3","5","6","10","8","7","1") = "9"
    & skf18("3","5","6","10","8","8","1") = "9"
    & skf18("3","5","6","10","8","9","1") = "9"
    & skf18("3","5","6","10","8","10","1") = "9"
    & skf18("3","5","6","10","9","1","1") = "9"
    & skf18("3","5","6","10","9","2","1") = "9"
    & skf18("3","5","6","10","9","3","1") = "9"
    & skf18("3","5","6","10","9","4","1") = "9"
    & skf18("3","5","6","10","9","5","1") = "9"
    & skf18("3","5","6","10","9","6","1") = "9"
    & skf18("3","5","6","10","9","7","1") = "9"
    & skf18("3","5","6","10","9","8","1") = "9"
    & skf18("3","5","6","10","9","9","1") = "9"
    & skf18("3","5","6","10","9","10","1") = "9"
    & skf18("3","5","6","10","10","1","1") = "9"
    & skf18("3","5","6","10","10","2","1") = "9"
    & skf18("3","5","6","10","10","3","1") = "9"
    & skf18("3","5","6","10","10","4","1") = "9"
    & skf18("3","5","6","10","10","5","1") = "9"
    & skf18("3","5","6","10","10","6","1") = "9"
    & skf18("3","5","6","10","10","7","1") = "9"
    & skf18("3","5","6","10","10","8","1") = "9"
    & skf18("3","5","6","10","10","9","1") = "9"
    & skf18("3","5","6","10","10","10","1") = "9"
    & skf18("3","5","7","1","1","1","1") = "6"
    & skf18("3","5","7","1","1","2","1") = "6"
    & skf18("3","5","7","1","1","3","1") = "6"
    & skf18("3","5","7","1","1","4","1") = "6"
    & skf18("3","5","7","1","1","5","1") = "6"
    & skf18("3","5","7","1","1","6","1") = "6"
    & skf18("3","5","7","1","1","7","1") = "6"
    & skf18("3","5","7","1","1","8","1") = "7"
    & skf18("3","5","7","1","1","9","1") = "8"
    & skf18("3","5","7","1","1","10","1") = "9"
    & skf18("3","5","7","1","2","1","1") = "6"
    & skf18("3","5","7","1","2","2","1") = "6"
    & skf18("3","5","7","1","2","3","1") = "6"
    & skf18("3","5","7","1","2","4","1") = "6"
    & skf18("3","5","7","1","2","5","1") = "6"
    & skf18("3","5","7","1","2","6","1") = "6"
    & skf18("3","5","7","1","2","7","1") = "6"
    & skf18("3","5","7","1","2","8","1") = "7"
    & skf18("3","5","7","1","2","9","1") = "8"
    & skf18("3","5","7","1","2","10","1") = "9"
    & skf18("3","5","7","1","3","1","1") = "6"
    & skf18("3","5","7","1","3","2","1") = "6"
    & skf18("3","5","7","1","3","3","1") = "6"
    & skf18("3","5","7","1","3","4","1") = "6"
    & skf18("3","5","7","1","3","5","1") = "6"
    & skf18("3","5","7","1","3","6","1") = "6"
    & skf18("3","5","7","1","3","7","1") = "6"
    & skf18("3","5","7","1","3","8","1") = "7"
    & skf18("3","5","7","1","3","9","1") = "8"
    & skf18("3","5","7","1","3","10","1") = "9"
    & skf18("3","5","7","1","4","1","1") = "6"
    & skf18("3","5","7","1","4","2","1") = "6"
    & skf18("3","5","7","1","4","3","1") = "6"
    & skf18("3","5","7","1","4","4","1") = "6"
    & skf18("3","5","7","1","4","5","1") = "6"
    & skf18("3","5","7","1","4","6","1") = "6"
    & skf18("3","5","7","1","4","7","1") = "6"
    & skf18("3","5","7","1","4","8","1") = "7"
    & skf18("3","5","7","1","4","9","1") = "8"
    & skf18("3","5","7","1","4","10","1") = "9"
    & skf18("3","5","7","1","5","1","1") = "6"
    & skf18("3","5","7","1","5","2","1") = "6"
    & skf18("3","5","7","1","5","3","1") = "6"
    & skf18("3","5","7","1","5","4","1") = "6"
    & skf18("3","5","7","1","5","5","1") = "6"
    & skf18("3","5","7","1","5","6","1") = "6"
    & skf18("3","5","7","1","5","7","1") = "6"
    & skf18("3","5","7","1","5","8","1") = "7"
    & skf18("3","5","7","1","5","9","1") = "8"
    & skf18("3","5","7","1","5","10","1") = "9"
    & skf18("3","5","7","1","6","1","1") = "6"
    & skf18("3","5","7","1","6","2","1") = "6"
    & skf18("3","5","7","1","6","3","1") = "6"
    & skf18("3","5","7","1","6","4","1") = "6"
    & skf18("3","5","7","1","6","5","1") = "6"
    & skf18("3","5","7","1","6","6","1") = "6"
    & skf18("3","5","7","1","6","7","1") = "6"
    & skf18("3","5","7","1","6","8","1") = "7"
    & skf18("3","5","7","1","6","9","1") = "8"
    & skf18("3","5","7","1","6","10","1") = "9"
    & skf18("3","5","7","1","7","1","1") = "6"
    & skf18("3","5","7","1","7","2","1") = "6"
    & skf18("3","5","7","1","7","3","1") = "6"
    & skf18("3","5","7","1","7","4","1") = "6"
    & skf18("3","5","7","1","7","5","1") = "6"
    & skf18("3","5","7","1","7","6","1") = "6"
    & skf18("3","5","7","1","7","7","1") = "6"
    & skf18("3","5","7","1","7","8","1") = "7"
    & skf18("3","5","7","1","7","9","1") = "8"
    & skf18("3","5","7","1","7","10","1") = "9"
    & skf18("3","5","7","1","8","1","1") = "7"
    & skf18("3","5","7","1","8","2","1") = "7"
    & skf18("3","5","7","1","8","3","1") = "7"
    & skf18("3","5","7","1","8","4","1") = "7"
    & skf18("3","5","7","1","8","5","1") = "7"
    & skf18("3","5","7","1","8","6","1") = "7"
    & skf18("3","5","7","1","8","7","1") = "7"
    & skf18("3","5","7","1","8","8","1") = "7"
    & skf18("3","5","7","1","8","9","1") = "8"
    & skf18("3","5","7","1","8","10","1") = "9"
    & skf18("3","5","7","1","9","1","1") = "8"
    & skf18("3","5","7","1","9","2","1") = "8"
    & skf18("3","5","7","1","9","3","1") = "8"
    & skf18("3","5","7","1","9","4","1") = "8"
    & skf18("3","5","7","1","9","5","1") = "8"
    & skf18("3","5","7","1","9","6","1") = "8"
    & skf18("3","5","7","1","9","7","1") = "8"
    & skf18("3","5","7","1","9","8","1") = "8"
    & skf18("3","5","7","1","9","9","1") = "8"
    & skf18("3","5","7","1","9","10","1") = "9"
    & skf18("3","5","7","1","10","1","1") = "9"
    & skf18("3","5","7","1","10","2","1") = "9"
    & skf18("3","5","7","1","10","3","1") = "9"
    & skf18("3","5","7","1","10","4","1") = "9"
    & skf18("3","5","7","1","10","5","1") = "9"
    & skf18("3","5","7","1","10","6","1") = "9"
    & skf18("3","5","7","1","10","7","1") = "9"
    & skf18("3","5","7","1","10","8","1") = "9"
    & skf18("3","5","7","1","10","9","1") = "9"
    & skf18("3","5","7","1","10","10","1") = "9"
    & skf18("3","5","7","2","1","1","1") = "6"
    & skf18("3","5","7","2","1","2","1") = "6"
    & skf18("3","5","7","2","1","3","1") = "6"
    & skf18("3","5","7","2","1","4","1") = "6"
    & skf18("3","5","7","2","1","5","1") = "6"
    & skf18("3","5","7","2","1","6","1") = "6"
    & skf18("3","5","7","2","1","7","1") = "6"
    & skf18("3","5","7","2","1","8","1") = "7"
    & skf18("3","5","7","2","1","9","1") = "8"
    & skf18("3","5","7","2","1","10","1") = "9"
    & skf18("3","5","7","2","2","1","1") = "6"
    & skf18("3","5","7","2","2","2","1") = "6"
    & skf18("3","5","7","2","2","3","1") = "6"
    & skf18("3","5","7","2","2","4","1") = "6"
    & skf18("3","5","7","2","2","5","1") = "6"
    & skf18("3","5","7","2","2","6","1") = "6"
    & skf18("3","5","7","2","2","7","1") = "6"
    & skf18("3","5","7","2","2","8","1") = "7"
    & skf18("3","5","7","2","2","9","1") = "8"
    & skf18("3","5","7","2","2","10","1") = "9"
    & skf18("3","5","7","2","3","1","1") = "6"
    & skf18("3","5","7","2","3","2","1") = "6"
    & skf18("3","5","7","2","3","3","1") = "6"
    & skf18("3","5","7","2","3","4","1") = "6"
    & skf18("3","5","7","2","3","5","1") = "6"
    & skf18("3","5","7","2","3","6","1") = "6"
    & skf18("3","5","7","2","3","7","1") = "6"
    & skf18("3","5","7","2","3","8","1") = "7"
    & skf18("3","5","7","2","3","9","1") = "8"
    & skf18("3","5","7","2","3","10","1") = "9"
    & skf18("3","5","7","2","4","1","1") = "6"
    & skf18("3","5","7","2","4","2","1") = "6"
    & skf18("3","5","7","2","4","3","1") = "6"
    & skf18("3","5","7","2","4","4","1") = "6"
    & skf18("3","5","7","2","4","5","1") = "6"
    & skf18("3","5","7","2","4","6","1") = "6"
    & skf18("3","5","7","2","4","7","1") = "6"
    & skf18("3","5","7","2","4","8","1") = "7"
    & skf18("3","5","7","2","4","9","1") = "8"
    & skf18("3","5","7","2","4","10","1") = "9"
    & skf18("3","5","7","2","5","1","1") = "6"
    & skf18("3","5","7","2","5","2","1") = "6"
    & skf18("3","5","7","2","5","3","1") = "6"
    & skf18("3","5","7","2","5","4","1") = "6"
    & skf18("3","5","7","2","5","5","1") = "6"
    & skf18("3","5","7","2","5","6","1") = "6"
    & skf18("3","5","7","2","5","7","1") = "6"
    & skf18("3","5","7","2","5","8","1") = "7"
    & skf18("3","5","7","2","5","9","1") = "8"
    & skf18("3","5","7","2","5","10","1") = "9"
    & skf18("3","5","7","2","6","1","1") = "6"
    & skf18("3","5","7","2","6","2","1") = "6"
    & skf18("3","5","7","2","6","3","1") = "6"
    & skf18("3","5","7","2","6","4","1") = "6"
    & skf18("3","5","7","2","6","5","1") = "6"
    & skf18("3","5","7","2","6","6","1") = "6"
    & skf18("3","5","7","2","6","7","1") = "6"
    & skf18("3","5","7","2","6","8","1") = "7"
    & skf18("3","5","7","2","6","9","1") = "8"
    & skf18("3","5","7","2","6","10","1") = "9"
    & skf18("3","5","7","2","7","1","1") = "6"
    & skf18("3","5","7","2","7","2","1") = "6"
    & skf18("3","5","7","2","7","3","1") = "6"
    & skf18("3","5","7","2","7","4","1") = "6"
    & skf18("3","5","7","2","7","5","1") = "6"
    & skf18("3","5","7","2","7","6","1") = "6"
    & skf18("3","5","7","2","7","7","1") = "6"
    & skf18("3","5","7","2","7","8","1") = "7"
    & skf18("3","5","7","2","7","9","1") = "8"
    & skf18("3","5","7","2","7","10","1") = "9"
    & skf18("3","5","7","2","8","1","1") = "7"
    & skf18("3","5","7","2","8","2","1") = "7"
    & skf18("3","5","7","2","8","3","1") = "7"
    & skf18("3","5","7","2","8","4","1") = "7"
    & skf18("3","5","7","2","8","5","1") = "7"
    & skf18("3","5","7","2","8","6","1") = "7"
    & skf18("3","5","7","2","8","7","1") = "7"
    & skf18("3","5","7","2","8","8","1") = "7"
    & skf18("3","5","7","2","8","9","1") = "8"
    & skf18("3","5","7","2","8","10","1") = "9"
    & skf18("3","5","7","2","9","1","1") = "8"
    & skf18("3","5","7","2","9","2","1") = "8"
    & skf18("3","5","7","2","9","3","1") = "8"
    & skf18("3","5","7","2","9","4","1") = "8"
    & skf18("3","5","7","2","9","5","1") = "8"
    & skf18("3","5","7","2","9","6","1") = "8"
    & skf18("3","5","7","2","9","7","1") = "8"
    & skf18("3","5","7","2","9","8","1") = "8"
    & skf18("3","5","7","2","9","9","1") = "8"
    & skf18("3","5","7","2","9","10","1") = "9"
    & skf18("3","5","7","2","10","1","1") = "9"
    & skf18("3","5","7","2","10","2","1") = "9"
    & skf18("3","5","7","2","10","3","1") = "9"
    & skf18("3","5","7","2","10","4","1") = "9"
    & skf18("3","5","7","2","10","5","1") = "9"
    & skf18("3","5","7","2","10","6","1") = "9"
    & skf18("3","5","7","2","10","7","1") = "9"
    & skf18("3","5","7","2","10","8","1") = "9"
    & skf18("3","5","7","2","10","9","1") = "9"
    & skf18("3","5","7","2","10","10","1") = "9"
    & skf18("3","5","7","3","1","1","1") = "6"
    & skf18("3","5","7","3","1","2","1") = "6"
    & skf18("3","5","7","3","1","3","1") = "6"
    & skf18("3","5","7","3","1","4","1") = "6"
    & skf18("3","5","7","3","1","5","1") = "6"
    & skf18("3","5","7","3","1","6","1") = "6"
    & skf18("3","5","7","3","1","7","1") = "6"
    & skf18("3","5","7","3","1","8","1") = "7"
    & skf18("3","5","7","3","1","9","1") = "8"
    & skf18("3","5","7","3","1","10","1") = "9"
    & skf18("3","5","7","3","2","1","1") = "6"
    & skf18("3","5","7","3","2","2","1") = "6"
    & skf18("3","5","7","3","2","3","1") = "6"
    & skf18("3","5","7","3","2","4","1") = "6"
    & skf18("3","5","7","3","2","5","1") = "6"
    & skf18("3","5","7","3","2","6","1") = "6"
    & skf18("3","5","7","3","2","7","1") = "6"
    & skf18("3","5","7","3","2","8","1") = "7"
    & skf18("3","5","7","3","2","9","1") = "8"
    & skf18("3","5","7","3","2","10","1") = "9"
    & skf18("3","5","7","3","3","1","1") = "6"
    & skf18("3","5","7","3","3","2","1") = "6"
    & skf18("3","5","7","3","3","3","1") = "6"
    & skf18("3","5","7","3","3","4","1") = "6"
    & skf18("3","5","7","3","3","5","1") = "6"
    & skf18("3","5","7","3","3","6","1") = "6"
    & skf18("3","5","7","3","3","7","1") = "6"
    & skf18("3","5","7","3","3","8","1") = "7"
    & skf18("3","5","7","3","3","9","1") = "8"
    & skf18("3","5","7","3","3","10","1") = "9"
    & skf18("3","5","7","3","4","1","1") = "6"
    & skf18("3","5","7","3","4","2","1") = "6"
    & skf18("3","5","7","3","4","3","1") = "6"
    & skf18("3","5","7","3","4","4","1") = "6"
    & skf18("3","5","7","3","4","5","1") = "6"
    & skf18("3","5","7","3","4","6","1") = "6"
    & skf18("3","5","7","3","4","7","1") = "6"
    & skf18("3","5","7","3","4","8","1") = "7"
    & skf18("3","5","7","3","4","9","1") = "8"
    & skf18("3","5","7","3","4","10","1") = "9"
    & skf18("3","5","7","3","5","1","1") = "6"
    & skf18("3","5","7","3","5","2","1") = "6"
    & skf18("3","5","7","3","5","3","1") = "6"
    & skf18("3","5","7","3","5","4","1") = "6"
    & skf18("3","5","7","3","5","5","1") = "6"
    & skf18("3","5","7","3","5","6","1") = "6"
    & skf18("3","5","7","3","5","7","1") = "6"
    & skf18("3","5","7","3","5","8","1") = "7"
    & skf18("3","5","7","3","5","9","1") = "8"
    & skf18("3","5","7","3","5","10","1") = "9"
    & skf18("3","5","7","3","6","1","1") = "6"
    & skf18("3","5","7","3","6","2","1") = "6"
    & skf18("3","5","7","3","6","3","1") = "6"
    & skf18("3","5","7","3","6","4","1") = "6"
    & skf18("3","5","7","3","6","5","1") = "6"
    & skf18("3","5","7","3","6","6","1") = "6"
    & skf18("3","5","7","3","6","7","1") = "6"
    & skf18("3","5","7","3","6","8","1") = "7"
    & skf18("3","5","7","3","6","9","1") = "8"
    & skf18("3","5","7","3","6","10","1") = "9"
    & skf18("3","5","7","3","7","1","1") = "6"
    & skf18("3","5","7","3","7","2","1") = "6"
    & skf18("3","5","7","3","7","3","1") = "6"
    & skf18("3","5","7","3","7","4","1") = "6"
    & skf18("3","5","7","3","7","5","1") = "6"
    & skf18("3","5","7","3","7","6","1") = "6"
    & skf18("3","5","7","3","7","7","1") = "6"
    & skf18("3","5","7","3","7","8","1") = "7"
    & skf18("3","5","7","3","7","9","1") = "8"
    & skf18("3","5","7","3","7","10","1") = "9"
    & skf18("3","5","7","3","8","1","1") = "7"
    & skf18("3","5","7","3","8","2","1") = "7"
    & skf18("3","5","7","3","8","3","1") = "7"
    & skf18("3","5","7","3","8","4","1") = "7"
    & skf18("3","5","7","3","8","5","1") = "7"
    & skf18("3","5","7","3","8","6","1") = "7"
    & skf18("3","5","7","3","8","7","1") = "7"
    & skf18("3","5","7","3","8","8","1") = "7"
    & skf18("3","5","7","3","8","9","1") = "8"
    & skf18("3","5","7","3","8","10","1") = "9"
    & skf18("3","5","7","3","9","1","1") = "8"
    & skf18("3","5","7","3","9","2","1") = "8"
    & skf18("3","5","7","3","9","3","1") = "8"
    & skf18("3","5","7","3","9","4","1") = "8"
    & skf18("3","5","7","3","9","5","1") = "8"
    & skf18("3","5","7","3","9","6","1") = "8"
    & skf18("3","5","7","3","9","7","1") = "8"
    & skf18("3","5","7","3","9","8","1") = "8"
    & skf18("3","5","7","3","9","9","1") = "8"
    & skf18("3","5","7","3","9","10","1") = "9"
    & skf18("3","5","7","3","10","1","1") = "9"
    & skf18("3","5","7","3","10","2","1") = "9"
    & skf18("3","5","7","3","10","3","1") = "9"
    & skf18("3","5","7","3","10","4","1") = "9"
    & skf18("3","5","7","3","10","5","1") = "9"
    & skf18("3","5","7","3","10","6","1") = "9"
    & skf18("3","5","7","3","10","7","1") = "9"
    & skf18("3","5","7","3","10","8","1") = "9"
    & skf18("3","5","7","3","10","9","1") = "9"
    & skf18("3","5","7","3","10","10","1") = "9"
    & skf18("3","5","7","4","1","1","1") = "6"
    & skf18("3","5","7","4","1","2","1") = "6"
    & skf18("3","5","7","4","1","3","1") = "6"
    & skf18("3","5","7","4","1","4","1") = "6"
    & skf18("3","5","7","4","1","5","1") = "6"
    & skf18("3","5","7","4","1","6","1") = "6"
    & skf18("3","5","7","4","1","7","1") = "6"
    & skf18("3","5","7","4","1","8","1") = "7"
    & skf18("3","5","7","4","1","9","1") = "8"
    & skf18("3","5","7","4","1","10","1") = "9"
    & skf18("3","5","7","4","2","1","1") = "6"
    & skf18("3","5","7","4","2","2","1") = "6"
    & skf18("3","5","7","4","2","3","1") = "6"
    & skf18("3","5","7","4","2","4","1") = "6"
    & skf18("3","5","7","4","2","5","1") = "6"
    & skf18("3","5","7","4","2","6","1") = "6"
    & skf18("3","5","7","4","2","7","1") = "6"
    & skf18("3","5","7","4","2","8","1") = "7"
    & skf18("3","5","7","4","2","9","1") = "8"
    & skf18("3","5","7","4","2","10","1") = "9"
    & skf18("3","5","7","4","3","1","1") = "6"
    & skf18("3","5","7","4","3","2","1") = "6"
    & skf18("3","5","7","4","3","3","1") = "6"
    & skf18("3","5","7","4","3","4","1") = "6"
    & skf18("3","5","7","4","3","5","1") = "6"
    & skf18("3","5","7","4","3","6","1") = "6"
    & skf18("3","5","7","4","3","7","1") = "6"
    & skf18("3","5","7","4","3","8","1") = "7"
    & skf18("3","5","7","4","3","9","1") = "8"
    & skf18("3","5","7","4","3","10","1") = "9"
    & skf18("3","5","7","4","4","1","1") = "6"
    & skf18("3","5","7","4","4","2","1") = "6"
    & skf18("3","5","7","4","4","3","1") = "6"
    & skf18("3","5","7","4","4","4","1") = "6"
    & skf18("3","5","7","4","4","5","1") = "6"
    & skf18("3","5","7","4","4","6","1") = "6"
    & skf18("3","5","7","4","4","7","1") = "6"
    & skf18("3","5","7","4","4","8","1") = "7"
    & skf18("3","5","7","4","4","9","1") = "8"
    & skf18("3","5","7","4","4","10","1") = "9"
    & skf18("3","5","7","4","5","1","1") = "6"
    & skf18("3","5","7","4","5","2","1") = "6"
    & skf18("3","5","7","4","5","3","1") = "6"
    & skf18("3","5","7","4","5","4","1") = "6"
    & skf18("3","5","7","4","5","5","1") = "6"
    & skf18("3","5","7","4","5","6","1") = "6"
    & skf18("3","5","7","4","5","7","1") = "6"
    & skf18("3","5","7","4","5","8","1") = "7"
    & skf18("3","5","7","4","5","9","1") = "8"
    & skf18("3","5","7","4","5","10","1") = "9"
    & skf18("3","5","7","4","6","1","1") = "6"
    & skf18("3","5","7","4","6","2","1") = "6"
    & skf18("3","5","7","4","6","3","1") = "6"
    & skf18("3","5","7","4","6","4","1") = "6"
    & skf18("3","5","7","4","6","5","1") = "6"
    & skf18("3","5","7","4","6","6","1") = "6"
    & skf18("3","5","7","4","6","7","1") = "6"
    & skf18("3","5","7","4","6","8","1") = "7"
    & skf18("3","5","7","4","6","9","1") = "8"
    & skf18("3","5","7","4","6","10","1") = "9"
    & skf18("3","5","7","4","7","1","1") = "6"
    & skf18("3","5","7","4","7","2","1") = "6"
    & skf18("3","5","7","4","7","3","1") = "6"
    & skf18("3","5","7","4","7","4","1") = "6"
    & skf18("3","5","7","4","7","5","1") = "6"
    & skf18("3","5","7","4","7","6","1") = "6"
    & skf18("3","5","7","4","7","7","1") = "6"
    & skf18("3","5","7","4","7","8","1") = "7"
    & skf18("3","5","7","4","7","9","1") = "8"
    & skf18("3","5","7","4","7","10","1") = "9"
    & skf18("3","5","7","4","8","1","1") = "7"
    & skf18("3","5","7","4","8","2","1") = "7"
    & skf18("3","5","7","4","8","3","1") = "7"
    & skf18("3","5","7","4","8","4","1") = "7"
    & skf18("3","5","7","4","8","5","1") = "7"
    & skf18("3","5","7","4","8","6","1") = "7"
    & skf18("3","5","7","4","8","7","1") = "7"
    & skf18("3","5","7","4","8","8","1") = "7"
    & skf18("3","5","7","4","8","9","1") = "8"
    & skf18("3","5","7","4","8","10","1") = "9"
    & skf18("3","5","7","4","9","1","1") = "8"
    & skf18("3","5","7","4","9","2","1") = "8"
    & skf18("3","5","7","4","9","3","1") = "8"
    & skf18("3","5","7","4","9","4","1") = "8"
    & skf18("3","5","7","4","9","5","1") = "8"
    & skf18("3","5","7","4","9","6","1") = "8"
    & skf18("3","5","7","4","9","7","1") = "8"
    & skf18("3","5","7","4","9","8","1") = "8"
    & skf18("3","5","7","4","9","9","1") = "8"
    & skf18("3","5","7","4","9","10","1") = "9"
    & skf18("3","5","7","4","10","1","1") = "9"
    & skf18("3","5","7","4","10","2","1") = "9"
    & skf18("3","5","7","4","10","3","1") = "9"
    & skf18("3","5","7","4","10","4","1") = "9"
    & skf18("3","5","7","4","10","5","1") = "9"
    & skf18("3","5","7","4","10","6","1") = "9"
    & skf18("3","5","7","4","10","7","1") = "9"
    & skf18("3","5","7","4","10","8","1") = "9"
    & skf18("3","5","7","4","10","9","1") = "9"
    & skf18("3","5","7","4","10","10","1") = "9"
    & skf18("3","5","7","5","1","1","1") = "6"
    & skf18("3","5","7","5","1","2","1") = "6"
    & skf18("3","5","7","5","1","3","1") = "6"
    & skf18("3","5","7","5","1","4","1") = "6"
    & skf18("3","5","7","5","1","5","1") = "6"
    & skf18("3","5","7","5","1","6","1") = "6"
    & skf18("3","5","7","5","1","7","1") = "6"
    & skf18("3","5","7","5","1","8","1") = "7"
    & skf18("3","5","7","5","1","9","1") = "8"
    & skf18("3","5","7","5","1","10","1") = "9"
    & skf18("3","5","7","5","2","1","1") = "6"
    & skf18("3","5","7","5","2","2","1") = "6"
    & skf18("3","5","7","5","2","3","1") = "6"
    & skf18("3","5","7","5","2","4","1") = "6"
    & skf18("3","5","7","5","2","5","1") = "6"
    & skf18("3","5","7","5","2","6","1") = "6"
    & skf18("3","5","7","5","2","7","1") = "6"
    & skf18("3","5","7","5","2","8","1") = "7"
    & skf18("3","5","7","5","2","9","1") = "8"
    & skf18("3","5","7","5","2","10","1") = "9"
    & skf18("3","5","7","5","3","1","1") = "6"
    & skf18("3","5","7","5","3","2","1") = "6"
    & skf18("3","5","7","5","3","3","1") = "6"
    & skf18("3","5","7","5","3","4","1") = "6"
    & skf18("3","5","7","5","3","5","1") = "6"
    & skf18("3","5","7","5","3","6","1") = "6"
    & skf18("3","5","7","5","3","7","1") = "6"
    & skf18("3","5","7","5","3","8","1") = "7"
    & skf18("3","5","7","5","3","9","1") = "8"
    & skf18("3","5","7","5","3","10","1") = "9"
    & skf18("3","5","7","5","4","1","1") = "6"
    & skf18("3","5","7","5","4","2","1") = "6"
    & skf18("3","5","7","5","4","3","1") = "6"
    & skf18("3","5","7","5","4","4","1") = "6"
    & skf18("3","5","7","5","4","5","1") = "6"
    & skf18("3","5","7","5","4","6","1") = "6"
    & skf18("3","5","7","5","4","7","1") = "6"
    & skf18("3","5","7","5","4","8","1") = "7"
    & skf18("3","5","7","5","4","9","1") = "8"
    & skf18("3","5","7","5","4","10","1") = "9"
    & skf18("3","5","7","5","5","1","1") = "6"
    & skf18("3","5","7","5","5","2","1") = "6"
    & skf18("3","5","7","5","5","3","1") = "6"
    & skf18("3","5","7","5","5","4","1") = "6"
    & skf18("3","5","7","5","5","5","1") = "6"
    & skf18("3","5","7","5","5","6","1") = "6"
    & skf18("3","5","7","5","5","7","1") = "6"
    & skf18("3","5","7","5","5","8","1") = "7"
    & skf18("3","5","7","5","5","9","1") = "8"
    & skf18("3","5","7","5","5","10","1") = "9"
    & skf18("3","5","7","5","6","1","1") = "6"
    & skf18("3","5","7","5","6","2","1") = "6"
    & skf18("3","5","7","5","6","3","1") = "6"
    & skf18("3","5","7","5","6","4","1") = "6"
    & skf18("3","5","7","5","6","5","1") = "6"
    & skf18("3","5","7","5","6","6","1") = "6"
    & skf18("3","5","7","5","6","7","1") = "6"
    & skf18("3","5","7","5","6","8","1") = "7"
    & skf18("3","5","7","5","6","9","1") = "8"
    & skf18("3","5","7","5","6","10","1") = "9"
    & skf18("3","5","7","5","7","1","1") = "6"
    & skf18("3","5","7","5","7","2","1") = "6"
    & skf18("3","5","7","5","7","3","1") = "6"
    & skf18("3","5","7","5","7","4","1") = "6"
    & skf18("3","5","7","5","7","5","1") = "6"
    & skf18("3","5","7","5","7","6","1") = "6"
    & skf18("3","5","7","5","7","7","1") = "6"
    & skf18("3","5","7","5","7","8","1") = "7"
    & skf18("3","5","7","5","7","9","1") = "8"
    & skf18("3","5","7","5","7","10","1") = "9"
    & skf18("3","5","7","5","8","1","1") = "7"
    & skf18("3","5","7","5","8","2","1") = "7"
    & skf18("3","5","7","5","8","3","1") = "7"
    & skf18("3","5","7","5","8","4","1") = "7"
    & skf18("3","5","7","5","8","5","1") = "7"
    & skf18("3","5","7","5","8","6","1") = "7"
    & skf18("3","5","7","5","8","7","1") = "7"
    & skf18("3","5","7","5","8","8","1") = "7"
    & skf18("3","5","7","5","8","9","1") = "8"
    & skf18("3","5","7","5","8","10","1") = "9"
    & skf18("3","5","7","5","9","1","1") = "8"
    & skf18("3","5","7","5","9","2","1") = "8"
    & skf18("3","5","7","5","9","3","1") = "8"
    & skf18("3","5","7","5","9","4","1") = "8"
    & skf18("3","5","7","5","9","5","1") = "8"
    & skf18("3","5","7","5","9","6","1") = "8"
    & skf18("3","5","7","5","9","7","1") = "8"
    & skf18("3","5","7","5","9","8","1") = "8"
    & skf18("3","5","7","5","9","9","1") = "8"
    & skf18("3","5","7","5","9","10","1") = "9"
    & skf18("3","5","7","5","10","1","1") = "9"
    & skf18("3","5","7","5","10","2","1") = "9"
    & skf18("3","5","7","5","10","3","1") = "9"
    & skf18("3","5","7","5","10","4","1") = "9"
    & skf18("3","5","7","5","10","5","1") = "9"
    & skf18("3","5","7","5","10","6","1") = "9"
    & skf18("3","5","7","5","10","7","1") = "9"
    & skf18("3","5","7","5","10","8","1") = "9"
    & skf18("3","5","7","5","10","9","1") = "9"
    & skf18("3","5","7","5","10","10","1") = "9"
    & skf18("3","5","7","6","1","1","1") = "6"
    & skf18("3","5","7","6","1","2","1") = "6"
    & skf18("3","5","7","6","1","3","1") = "6"
    & skf18("3","5","7","6","1","4","1") = "6"
    & skf18("3","5","7","6","1","5","1") = "6"
    & skf18("3","5","7","6","1","6","1") = "6"
    & skf18("3","5","7","6","1","7","1") = "6"
    & skf18("3","5","7","6","1","8","1") = "7"
    & skf18("3","5","7","6","1","9","1") = "8"
    & skf18("3","5","7","6","1","10","1") = "9"
    & skf18("3","5","7","6","2","1","1") = "6"
    & skf18("3","5","7","6","2","2","1") = "6"
    & skf18("3","5","7","6","2","3","1") = "6"
    & skf18("3","5","7","6","2","4","1") = "6"
    & skf18("3","5","7","6","2","5","1") = "6"
    & skf18("3","5","7","6","2","6","1") = "6"
    & skf18("3","5","7","6","2","7","1") = "6"
    & skf18("3","5","7","6","2","8","1") = "7"
    & skf18("3","5","7","6","2","9","1") = "8"
    & skf18("3","5","7","6","2","10","1") = "9"
    & skf18("3","5","7","6","3","1","1") = "6"
    & skf18("3","5","7","6","3","2","1") = "6"
    & skf18("3","5","7","6","3","3","1") = "6"
    & skf18("3","5","7","6","3","4","1") = "6"
    & skf18("3","5","7","6","3","5","1") = "6"
    & skf18("3","5","7","6","3","6","1") = "6"
    & skf18("3","5","7","6","3","7","1") = "6"
    & skf18("3","5","7","6","3","8","1") = "7"
    & skf18("3","5","7","6","3","9","1") = "8"
    & skf18("3","5","7","6","3","10","1") = "9"
    & skf18("3","5","7","6","4","1","1") = "6"
    & skf18("3","5","7","6","4","2","1") = "6"
    & skf18("3","5","7","6","4","3","1") = "6"
    & skf18("3","5","7","6","4","4","1") = "6"
    & skf18("3","5","7","6","4","5","1") = "6"
    & skf18("3","5","7","6","4","6","1") = "6"
    & skf18("3","5","7","6","4","7","1") = "6"
    & skf18("3","5","7","6","4","8","1") = "7"
    & skf18("3","5","7","6","4","9","1") = "8"
    & skf18("3","5","7","6","4","10","1") = "9"
    & skf18("3","5","7","6","5","1","1") = "6"
    & skf18("3","5","7","6","5","2","1") = "6"
    & skf18("3","5","7","6","5","3","1") = "6"
    & skf18("3","5","7","6","5","4","1") = "6"
    & skf18("3","5","7","6","5","5","1") = "6"
    & skf18("3","5","7","6","5","6","1") = "6"
    & skf18("3","5","7","6","5","7","1") = "6"
    & skf18("3","5","7","6","5","8","1") = "7"
    & skf18("3","5","7","6","5","9","1") = "8"
    & skf18("3","5","7","6","5","10","1") = "9"
    & skf18("3","5","7","6","6","1","1") = "6"
    & skf18("3","5","7","6","6","2","1") = "6"
    & skf18("3","5","7","6","6","3","1") = "6"
    & skf18("3","5","7","6","6","4","1") = "6"
    & skf18("3","5","7","6","6","5","1") = "6"
    & skf18("3","5","7","6","6","6","1") = "6"
    & skf18("3","5","7","6","6","7","1") = "6"
    & skf18("3","5","7","6","6","8","1") = "7"
    & skf18("3","5","7","6","6","9","1") = "8"
    & skf18("3","5","7","6","6","10","1") = "9"
    & skf18("3","5","7","6","7","1","1") = "6"
    & skf18("3","5","7","6","7","2","1") = "6"
    & skf18("3","5","7","6","7","3","1") = "6"
    & skf18("3","5","7","6","7","4","1") = "6"
    & skf18("3","5","7","6","7","5","1") = "6"
    & skf18("3","5","7","6","7","6","1") = "6"
    & skf18("3","5","7","6","7","7","1") = "6"
    & skf18("3","5","7","6","7","8","1") = "7"
    & skf18("3","5","7","6","7","9","1") = "8"
    & skf18("3","5","7","6","7","10","1") = "9"
    & skf18("3","5","7","6","8","1","1") = "7"
    & skf18("3","5","7","6","8","2","1") = "7"
    & skf18("3","5","7","6","8","3","1") = "7"
    & skf18("3","5","7","6","8","4","1") = "7"
    & skf18("3","5","7","6","8","5","1") = "7"
    & skf18("3","5","7","6","8","6","1") = "7"
    & skf18("3","5","7","6","8","7","1") = "7"
    & skf18("3","5","7","6","8","8","1") = "7"
    & skf18("3","5","7","6","8","9","1") = "8"
    & skf18("3","5","7","6","8","10","1") = "9"
    & skf18("3","5","7","6","9","1","1") = "8"
    & skf18("3","5","7","6","9","2","1") = "8"
    & skf18("3","5","7","6","9","3","1") = "8"
    & skf18("3","5","7","6","9","4","1") = "8"
    & skf18("3","5","7","6","9","5","1") = "8"
    & skf18("3","5","7","6","9","6","1") = "8"
    & skf18("3","5","7","6","9","7","1") = "8"
    & skf18("3","5","7","6","9","8","1") = "8"
    & skf18("3","5","7","6","9","9","1") = "8"
    & skf18("3","5","7","6","9","10","1") = "9"
    & skf18("3","5","7","6","10","1","1") = "9"
    & skf18("3","5","7","6","10","2","1") = "9"
    & skf18("3","5","7","6","10","3","1") = "9"
    & skf18("3","5","7","6","10","4","1") = "9"
    & skf18("3","5","7","6","10","5","1") = "9"
    & skf18("3","5","7","6","10","6","1") = "9"
    & skf18("3","5","7","6","10","7","1") = "9"
    & skf18("3","5","7","6","10","8","1") = "9"
    & skf18("3","5","7","6","10","9","1") = "9"
    & skf18("3","5","7","6","10","10","1") = "9"
    & skf18("3","5","7","7","1","1","1") = "6"
    & skf18("3","5","7","7","1","2","1") = "6"
    & skf18("3","5","7","7","1","3","1") = "6"
    & skf18("3","5","7","7","1","4","1") = "6"
    & skf18("3","5","7","7","1","5","1") = "6"
    & skf18("3","5","7","7","1","6","1") = "6"
    & skf18("3","5","7","7","1","7","1") = "6"
    & skf18("3","5","7","7","1","8","1") = "7"
    & skf18("3","5","7","7","1","9","1") = "8"
    & skf18("3","5","7","7","1","10","1") = "9"
    & skf18("3","5","7","7","2","1","1") = "6"
    & skf18("3","5","7","7","2","2","1") = "6"
    & skf18("3","5","7","7","2","3","1") = "6"
    & skf18("3","5","7","7","2","4","1") = "6"
    & skf18("3","5","7","7","2","5","1") = "6"
    & skf18("3","5","7","7","2","6","1") = "6"
    & skf18("3","5","7","7","2","7","1") = "6"
    & skf18("3","5","7","7","2","8","1") = "7"
    & skf18("3","5","7","7","2","9","1") = "8"
    & skf18("3","5","7","7","2","10","1") = "9"
    & skf18("3","5","7","7","3","1","1") = "6"
    & skf18("3","5","7","7","3","2","1") = "6"
    & skf18("3","5","7","7","3","3","1") = "6"
    & skf18("3","5","7","7","3","4","1") = "6"
    & skf18("3","5","7","7","3","5","1") = "6"
    & skf18("3","5","7","7","3","6","1") = "6"
    & skf18("3","5","7","7","3","7","1") = "6"
    & skf18("3","5","7","7","3","8","1") = "7"
    & skf18("3","5","7","7","3","9","1") = "8"
    & skf18("3","5","7","7","3","10","1") = "9"
    & skf18("3","5","7","7","4","1","1") = "6"
    & skf18("3","5","7","7","4","2","1") = "6"
    & skf18("3","5","7","7","4","3","1") = "6"
    & skf18("3","5","7","7","4","4","1") = "6"
    & skf18("3","5","7","7","4","5","1") = "6"
    & skf18("3","5","7","7","4","6","1") = "6"
    & skf18("3","5","7","7","4","7","1") = "6"
    & skf18("3","5","7","7","4","8","1") = "7"
    & skf18("3","5","7","7","4","9","1") = "8"
    & skf18("3","5","7","7","4","10","1") = "9"
    & skf18("3","5","7","7","5","1","1") = "6"
    & skf18("3","5","7","7","5","2","1") = "6"
    & skf18("3","5","7","7","5","3","1") = "6"
    & skf18("3","5","7","7","5","4","1") = "6"
    & skf18("3","5","7","7","5","5","1") = "6"
    & skf18("3","5","7","7","5","6","1") = "6"
    & skf18("3","5","7","7","5","7","1") = "6"
    & skf18("3","5","7","7","5","8","1") = "7"
    & skf18("3","5","7","7","5","9","1") = "8"
    & skf18("3","5","7","7","5","10","1") = "9"
    & skf18("3","5","7","7","6","1","1") = "6"
    & skf18("3","5","7","7","6","2","1") = "6"
    & skf18("3","5","7","7","6","3","1") = "6"
    & skf18("3","5","7","7","6","4","1") = "6"
    & skf18("3","5","7","7","6","5","1") = "6"
    & skf18("3","5","7","7","6","6","1") = "6"
    & skf18("3","5","7","7","6","7","1") = "6"
    & skf18("3","5","7","7","6","8","1") = "7"
    & skf18("3","5","7","7","6","9","1") = "8"
    & skf18("3","5","7","7","6","10","1") = "9"
    & skf18("3","5","7","7","7","1","1") = "6"
    & skf18("3","5","7","7","7","2","1") = "6"
    & skf18("3","5","7","7","7","3","1") = "6"
    & skf18("3","5","7","7","7","4","1") = "6"
    & skf18("3","5","7","7","7","5","1") = "6"
    & skf18("3","5","7","7","7","6","1") = "6"
    & skf18("3","5","7","7","7","7","1") = "6"
    & skf18("3","5","7","7","7","8","1") = "7"
    & skf18("3","5","7","7","7","9","1") = "8"
    & skf18("3","5","7","7","7","10","1") = "9"
    & skf18("3","5","7","7","8","1","1") = "7"
    & skf18("3","5","7","7","8","2","1") = "7"
    & skf18("3","5","7","7","8","3","1") = "7"
    & skf18("3","5","7","7","8","4","1") = "7"
    & skf18("3","5","7","7","8","5","1") = "7"
    & skf18("3","5","7","7","8","6","1") = "7"
    & skf18("3","5","7","7","8","7","1") = "7"
    & skf18("3","5","7","7","8","8","1") = "7"
    & skf18("3","5","7","7","8","9","1") = "8"
    & skf18("3","5","7","7","8","10","1") = "9"
    & skf18("3","5","7","7","9","1","1") = "8"
    & skf18("3","5","7","7","9","2","1") = "8"
    & skf18("3","5","7","7","9","3","1") = "8"
    & skf18("3","5","7","7","9","4","1") = "8"
    & skf18("3","5","7","7","9","5","1") = "8"
    & skf18("3","5","7","7","9","6","1") = "8"
    & skf18("3","5","7","7","9","7","1") = "8"
    & skf18("3","5","7","7","9","8","1") = "8"
    & skf18("3","5","7","7","9","9","1") = "8"
    & skf18("3","5","7","7","9","10","1") = "9"
    & skf18("3","5","7","7","10","1","1") = "9"
    & skf18("3","5","7","7","10","2","1") = "9"
    & skf18("3","5","7","7","10","3","1") = "9"
    & skf18("3","5","7","7","10","4","1") = "9"
    & skf18("3","5","7","7","10","5","1") = "9"
    & skf18("3","5","7","7","10","6","1") = "9"
    & skf18("3","5","7","7","10","7","1") = "9"
    & skf18("3","5","7","7","10","8","1") = "9"
    & skf18("3","5","7","7","10","9","1") = "9"
    & skf18("3","5","7","7","10","10","1") = "9"
    & skf18("3","5","7","8","1","1","1") = "7"
    & skf18("3","5","7","8","1","2","1") = "7"
    & skf18("3","5","7","8","1","3","1") = "7"
    & skf18("3","5","7","8","1","4","1") = "7"
    & skf18("3","5","7","8","1","5","1") = "7"
    & skf18("3","5","7","8","1","6","1") = "7"
    & skf18("3","5","7","8","1","7","1") = "7"
    & skf18("3","5","7","8","1","8","1") = "7"
    & skf18("3","5","7","8","1","9","1") = "8"
    & skf18("3","5","7","8","1","10","1") = "9"
    & skf18("3","5","7","8","2","1","1") = "7"
    & skf18("3","5","7","8","2","2","1") = "7"
    & skf18("3","5","7","8","2","3","1") = "7"
    & skf18("3","5","7","8","2","4","1") = "7"
    & skf18("3","5","7","8","2","5","1") = "7"
    & skf18("3","5","7","8","2","6","1") = "7"
    & skf18("3","5","7","8","2","7","1") = "7"
    & skf18("3","5","7","8","2","8","1") = "7"
    & skf18("3","5","7","8","2","9","1") = "8"
    & skf18("3","5","7","8","2","10","1") = "9"
    & skf18("3","5","7","8","3","1","1") = "7"
    & skf18("3","5","7","8","3","2","1") = "7"
    & skf18("3","5","7","8","3","3","1") = "7"
    & skf18("3","5","7","8","3","4","1") = "7"
    & skf18("3","5","7","8","3","5","1") = "7"
    & skf18("3","5","7","8","3","6","1") = "7"
    & skf18("3","5","7","8","3","7","1") = "7"
    & skf18("3","5","7","8","3","8","1") = "7"
    & skf18("3","5","7","8","3","9","1") = "8"
    & skf18("3","5","7","8","3","10","1") = "9"
    & skf18("3","5","7","8","4","1","1") = "7"
    & skf18("3","5","7","8","4","2","1") = "7"
    & skf18("3","5","7","8","4","3","1") = "7"
    & skf18("3","5","7","8","4","4","1") = "7"
    & skf18("3","5","7","8","4","5","1") = "7"
    & skf18("3","5","7","8","4","6","1") = "7"
    & skf18("3","5","7","8","4","7","1") = "7"
    & skf18("3","5","7","8","4","8","1") = "7"
    & skf18("3","5","7","8","4","9","1") = "8"
    & skf18("3","5","7","8","4","10","1") = "9"
    & skf18("3","5","7","8","5","1","1") = "7"
    & skf18("3","5","7","8","5","2","1") = "7"
    & skf18("3","5","7","8","5","3","1") = "7"
    & skf18("3","5","7","8","5","4","1") = "7"
    & skf18("3","5","7","8","5","5","1") = "7"
    & skf18("3","5","7","8","5","6","1") = "7"
    & skf18("3","5","7","8","5","7","1") = "7"
    & skf18("3","5","7","8","5","8","1") = "7"
    & skf18("3","5","7","8","5","9","1") = "8"
    & skf18("3","5","7","8","5","10","1") = "9"
    & skf18("3","5","7","8","6","1","1") = "7"
    & skf18("3","5","7","8","6","2","1") = "7"
    & skf18("3","5","7","8","6","3","1") = "7"
    & skf18("3","5","7","8","6","4","1") = "7"
    & skf18("3","5","7","8","6","5","1") = "7"
    & skf18("3","5","7","8","6","6","1") = "7"
    & skf18("3","5","7","8","6","7","1") = "7"
    & skf18("3","5","7","8","6","8","1") = "7"
    & skf18("3","5","7","8","6","9","1") = "8"
    & skf18("3","5","7","8","6","10","1") = "9"
    & skf18("3","5","7","8","7","1","1") = "7"
    & skf18("3","5","7","8","7","2","1") = "7"
    & skf18("3","5","7","8","7","3","1") = "7"
    & skf18("3","5","7","8","7","4","1") = "7"
    & skf18("3","5","7","8","7","5","1") = "7"
    & skf18("3","5","7","8","7","6","1") = "7"
    & skf18("3","5","7","8","7","7","1") = "7"
    & skf18("3","5","7","8","7","8","1") = "7"
    & skf18("3","5","7","8","7","9","1") = "8"
    & skf18("3","5","7","8","7","10","1") = "9"
    & skf18("3","5","7","8","8","1","1") = "7"
    & skf18("3","5","7","8","8","2","1") = "7"
    & skf18("3","5","7","8","8","3","1") = "7"
    & skf18("3","5","7","8","8","4","1") = "7"
    & skf18("3","5","7","8","8","5","1") = "7"
    & skf18("3","5","7","8","8","6","1") = "7"
    & skf18("3","5","7","8","8","7","1") = "7"
    & skf18("3","5","7","8","8","8","1") = "7"
    & skf18("3","5","7","8","8","9","1") = "8"
    & skf18("3","5","7","8","8","10","1") = "9"
    & skf18("3","5","7","8","9","1","1") = "8"
    & skf18("3","5","7","8","9","2","1") = "8"
    & skf18("3","5","7","8","9","3","1") = "8"
    & skf18("3","5","7","8","9","4","1") = "8"
    & skf18("3","5","7","8","9","5","1") = "8"
    & skf18("3","5","7","8","9","6","1") = "8"
    & skf18("3","5","7","8","9","7","1") = "8"
    & skf18("3","5","7","8","9","8","1") = "8"
    & skf18("3","5","7","8","9","9","1") = "8"
    & skf18("3","5","7","8","9","10","1") = "9"
    & skf18("3","5","7","8","10","1","1") = "9"
    & skf18("3","5","7","8","10","2","1") = "9"
    & skf18("3","5","7","8","10","3","1") = "9"
    & skf18("3","5","7","8","10","4","1") = "9"
    & skf18("3","5","7","8","10","5","1") = "9"
    & skf18("3","5","7","8","10","6","1") = "9"
    & skf18("3","5","7","8","10","7","1") = "9"
    & skf18("3","5","7","8","10","8","1") = "9"
    & skf18("3","5","7","8","10","9","1") = "9"
    & skf18("3","5","7","8","10","10","1") = "9"
    & skf18("3","5","7","9","1","1","1") = "8"
    & skf18("3","5","7","9","1","2","1") = "8"
    & skf18("3","5","7","9","1","3","1") = "8"
    & skf18("3","5","7","9","1","4","1") = "8"
    & skf18("3","5","7","9","1","5","1") = "8"
    & skf18("3","5","7","9","1","6","1") = "8"
    & skf18("3","5","7","9","1","7","1") = "8"
    & skf18("3","5","7","9","1","8","1") = "8"
    & skf18("3","5","7","9","1","9","1") = "8"
    & skf18("3","5","7","9","1","10","1") = "9"
    & skf18("3","5","7","9","2","1","1") = "8"
    & skf18("3","5","7","9","2","2","1") = "8"
    & skf18("3","5","7","9","2","3","1") = "8"
    & skf18("3","5","7","9","2","4","1") = "8"
    & skf18("3","5","7","9","2","5","1") = "8"
    & skf18("3","5","7","9","2","6","1") = "8"
    & skf18("3","5","7","9","2","7","1") = "8"
    & skf18("3","5","7","9","2","8","1") = "8"
    & skf18("3","5","7","9","2","9","1") = "8"
    & skf18("3","5","7","9","2","10","1") = "9"
    & skf18("3","5","7","9","3","1","1") = "8"
    & skf18("3","5","7","9","3","2","1") = "8"
    & skf18("3","5","7","9","3","3","1") = "8"
    & skf18("3","5","7","9","3","4","1") = "8"
    & skf18("3","5","7","9","3","5","1") = "8"
    & skf18("3","5","7","9","3","6","1") = "8"
    & skf18("3","5","7","9","3","7","1") = "8"
    & skf18("3","5","7","9","3","8","1") = "8"
    & skf18("3","5","7","9","3","9","1") = "8"
    & skf18("3","5","7","9","3","10","1") = "9"
    & skf18("3","5","7","9","4","1","1") = "8"
    & skf18("3","5","7","9","4","2","1") = "8"
    & skf18("3","5","7","9","4","3","1") = "8"
    & skf18("3","5","7","9","4","4","1") = "8"
    & skf18("3","5","7","9","4","5","1") = "8"
    & skf18("3","5","7","9","4","6","1") = "8"
    & skf18("3","5","7","9","4","7","1") = "8"
    & skf18("3","5","7","9","4","8","1") = "8"
    & skf18("3","5","7","9","4","9","1") = "8"
    & skf18("3","5","7","9","4","10","1") = "9"
    & skf18("3","5","7","9","5","1","1") = "8"
    & skf18("3","5","7","9","5","2","1") = "8"
    & skf18("3","5","7","9","5","3","1") = "8"
    & skf18("3","5","7","9","5","4","1") = "8"
    & skf18("3","5","7","9","5","5","1") = "8"
    & skf18("3","5","7","9","5","6","1") = "8"
    & skf18("3","5","7","9","5","7","1") = "8"
    & skf18("3","5","7","9","5","8","1") = "8"
    & skf18("3","5","7","9","5","9","1") = "8"
    & skf18("3","5","7","9","5","10","1") = "9"
    & skf18("3","5","7","9","6","1","1") = "8"
    & skf18("3","5","7","9","6","2","1") = "8"
    & skf18("3","5","7","9","6","3","1") = "8"
    & skf18("3","5","7","9","6","4","1") = "8"
    & skf18("3","5","7","9","6","5","1") = "8"
    & skf18("3","5","7","9","6","6","1") = "8"
    & skf18("3","5","7","9","6","7","1") = "8"
    & skf18("3","5","7","9","6","8","1") = "8"
    & skf18("3","5","7","9","6","9","1") = "8"
    & skf18("3","5","7","9","6","10","1") = "9"
    & skf18("3","5","7","9","7","1","1") = "8"
    & skf18("3","5","7","9","7","2","1") = "8"
    & skf18("3","5","7","9","7","3","1") = "8"
    & skf18("3","5","7","9","7","4","1") = "8"
    & skf18("3","5","7","9","7","5","1") = "8"
    & skf18("3","5","7","9","7","6","1") = "8"
    & skf18("3","5","7","9","7","7","1") = "8"
    & skf18("3","5","7","9","7","8","1") = "8"
    & skf18("3","5","7","9","7","9","1") = "8"
    & skf18("3","5","7","9","7","10","1") = "9"
    & skf18("3","5","7","9","8","1","1") = "8"
    & skf18("3","5","7","9","8","2","1") = "8"
    & skf18("3","5","7","9","8","3","1") = "8"
    & skf18("3","5","7","9","8","4","1") = "8"
    & skf18("3","5","7","9","8","5","1") = "8"
    & skf18("3","5","7","9","8","6","1") = "8"
    & skf18("3","5","7","9","8","7","1") = "8"
    & skf18("3","5","7","9","8","8","1") = "8"
    & skf18("3","5","7","9","8","9","1") = "8"
    & skf18("3","5","7","9","8","10","1") = "9"
    & skf18("3","5","7","9","9","1","1") = "8"
    & skf18("3","5","7","9","9","2","1") = "8"
    & skf18("3","5","7","9","9","3","1") = "8"
    & skf18("3","5","7","9","9","4","1") = "8"
    & skf18("3","5","7","9","9","5","1") = "8"
    & skf18("3","5","7","9","9","6","1") = "8"
    & skf18("3","5","7","9","9","7","1") = "8"
    & skf18("3","5","7","9","9","8","1") = "8"
    & skf18("3","5","7","9","9","9","1") = "8"
    & skf18("3","5","7","9","9","10","1") = "9"
    & skf18("3","5","7","9","10","1","1") = "9"
    & skf18("3","5","7","9","10","2","1") = "9"
    & skf18("3","5","7","9","10","3","1") = "9"
    & skf18("3","5","7","9","10","4","1") = "9"
    & skf18("3","5","7","9","10","5","1") = "9"
    & skf18("3","5","7","9","10","6","1") = "9"
    & skf18("3","5","7","9","10","7","1") = "9"
    & skf18("3","5","7","9","10","8","1") = "9"
    & skf18("3","5","7","9","10","9","1") = "9"
    & skf18("3","5","7","9","10","10","1") = "9"
    & skf18("3","5","7","10","1","1","1") = "9"
    & skf18("3","5","7","10","1","2","1") = "9"
    & skf18("3","5","7","10","1","3","1") = "9"
    & skf18("3","5","7","10","1","4","1") = "9"
    & skf18("3","5","7","10","1","5","1") = "9"
    & skf18("3","5","7","10","1","6","1") = "9"
    & skf18("3","5","7","10","1","7","1") = "9"
    & skf18("3","5","7","10","1","8","1") = "9"
    & skf18("3","5","7","10","1","9","1") = "9"
    & skf18("3","5","7","10","1","10","1") = "9"
    & skf18("3","5","7","10","2","1","1") = "9"
    & skf18("3","5","7","10","2","2","1") = "9"
    & skf18("3","5","7","10","2","3","1") = "9"
    & skf18("3","5","7","10","2","4","1") = "9"
    & skf18("3","5","7","10","2","5","1") = "9"
    & skf18("3","5","7","10","2","6","1") = "9"
    & skf18("3","5","7","10","2","7","1") = "9"
    & skf18("3","5","7","10","2","8","1") = "9"
    & skf18("3","5","7","10","2","9","1") = "9"
    & skf18("3","5","7","10","2","10","1") = "9"
    & skf18("3","5","7","10","3","1","1") = "9"
    & skf18("3","5","7","10","3","2","1") = "9"
    & skf18("3","5","7","10","3","3","1") = "9"
    & skf18("3","5","7","10","3","4","1") = "9"
    & skf18("3","5","7","10","3","5","1") = "9"
    & skf18("3","5","7","10","3","6","1") = "9"
    & skf18("3","5","7","10","3","7","1") = "9"
    & skf18("3","5","7","10","3","8","1") = "9"
    & skf18("3","5","7","10","3","9","1") = "9"
    & skf18("3","5","7","10","3","10","1") = "9"
    & skf18("3","5","7","10","4","1","1") = "9"
    & skf18("3","5","7","10","4","2","1") = "9"
    & skf18("3","5","7","10","4","3","1") = "9"
    & skf18("3","5","7","10","4","4","1") = "9"
    & skf18("3","5","7","10","4","5","1") = "9"
    & skf18("3","5","7","10","4","6","1") = "9"
    & skf18("3","5","7","10","4","7","1") = "9"
    & skf18("3","5","7","10","4","8","1") = "9"
    & skf18("3","5","7","10","4","9","1") = "9"
    & skf18("3","5","7","10","4","10","1") = "9"
    & skf18("3","5","7","10","5","1","1") = "9"
    & skf18("3","5","7","10","5","2","1") = "9"
    & skf18("3","5","7","10","5","3","1") = "9"
    & skf18("3","5","7","10","5","4","1") = "9"
    & skf18("3","5","7","10","5","5","1") = "9"
    & skf18("3","5","7","10","5","6","1") = "9"
    & skf18("3","5","7","10","5","7","1") = "9"
    & skf18("3","5","7","10","5","8","1") = "9"
    & skf18("3","5","7","10","5","9","1") = "9"
    & skf18("3","5","7","10","5","10","1") = "9"
    & skf18("3","5","7","10","6","1","1") = "9"
    & skf18("3","5","7","10","6","2","1") = "9"
    & skf18("3","5","7","10","6","3","1") = "9"
    & skf18("3","5","7","10","6","4","1") = "9"
    & skf18("3","5","7","10","6","5","1") = "9"
    & skf18("3","5","7","10","6","6","1") = "9"
    & skf18("3","5","7","10","6","7","1") = "9"
    & skf18("3","5","7","10","6","8","1") = "9"
    & skf18("3","5","7","10","6","9","1") = "9"
    & skf18("3","5","7","10","6","10","1") = "9"
    & skf18("3","5","7","10","7","1","1") = "9"
    & skf18("3","5","7","10","7","2","1") = "9"
    & skf18("3","5","7","10","7","3","1") = "9"
    & skf18("3","5","7","10","7","4","1") = "9"
    & skf18("3","5","7","10","7","5","1") = "9"
    & skf18("3","5","7","10","7","6","1") = "9"
    & skf18("3","5","7","10","7","7","1") = "9"
    & skf18("3","5","7","10","7","8","1") = "9"
    & skf18("3","5","7","10","7","9","1") = "9"
    & skf18("3","5","7","10","7","10","1") = "9"
    & skf18("3","5","7","10","8","1","1") = "9"
    & skf18("3","5","7","10","8","2","1") = "9"
    & skf18("3","5","7","10","8","3","1") = "9"
    & skf18("3","5","7","10","8","4","1") = "9"
    & skf18("3","5","7","10","8","5","1") = "9"
    & skf18("3","5","7","10","8","6","1") = "9"
    & skf18("3","5","7","10","8","7","1") = "9"
    & skf18("3","5","7","10","8","8","1") = "9"
    & skf18("3","5","7","10","8","9","1") = "9"
    & skf18("3","5","7","10","8","10","1") = "9"
    & skf18("3","5","7","10","9","1","1") = "9"
    & skf18("3","5","7","10","9","2","1") = "9"
    & skf18("3","5","7","10","9","3","1") = "9"
    & skf18("3","5","7","10","9","4","1") = "9"
    & skf18("3","5","7","10","9","5","1") = "9"
    & skf18("3","5","7","10","9","6","1") = "9"
    & skf18("3","5","7","10","9","7","1") = "9"
    & skf18("3","5","7","10","9","8","1") = "9"
    & skf18("3","5","7","10","9","9","1") = "9"
    & skf18("3","5","7","10","9","10","1") = "9"
    & skf18("3","5","7","10","10","1","1") = "9"
    & skf18("3","5","7","10","10","2","1") = "9"
    & skf18("3","5","7","10","10","3","1") = "9"
    & skf18("3","5","7","10","10","4","1") = "9"
    & skf18("3","5","7","10","10","5","1") = "9"
    & skf18("3","5","7","10","10","6","1") = "9"
    & skf18("3","5","7","10","10","7","1") = "9"
    & skf18("3","5","7","10","10","8","1") = "9"
    & skf18("3","5","7","10","10","9","1") = "9"
    & skf18("3","5","7","10","10","10","1") = "9"
    & skf18("3","5","8","1","1","1","1") = "7"
    & skf18("3","5","8","1","1","2","1") = "7"
    & skf18("3","5","8","1","1","3","1") = "7"
    & skf18("3","5","8","1","1","4","1") = "7"
    & skf18("3","5","8","1","1","5","1") = "7"
    & skf18("3","5","8","1","1","6","1") = "7"
    & skf18("3","5","8","1","1","7","1") = "7"
    & skf18("3","5","8","1","1","8","1") = "7"
    & skf18("3","5","8","1","1","9","1") = "8"
    & skf18("3","5","8","1","1","10","1") = "9"
    & skf18("3","5","8","1","2","1","1") = "7"
    & skf18("3","5","8","1","2","2","1") = "7"
    & skf18("3","5","8","1","2","3","1") = "7"
    & skf18("3","5","8","1","2","4","1") = "7"
    & skf18("3","5","8","1","2","5","1") = "7"
    & skf18("3","5","8","1","2","6","1") = "7"
    & skf18("3","5","8","1","2","7","1") = "7"
    & skf18("3","5","8","1","2","8","1") = "7"
    & skf18("3","5","8","1","2","9","1") = "8"
    & skf18("3","5","8","1","2","10","1") = "9"
    & skf18("3","5","8","1","3","1","1") = "7"
    & skf18("3","5","8","1","3","2","1") = "7"
    & skf18("3","5","8","1","3","3","1") = "7"
    & skf18("3","5","8","1","3","4","1") = "7"
    & skf18("3","5","8","1","3","5","1") = "7"
    & skf18("3","5","8","1","3","6","1") = "7"
    & skf18("3","5","8","1","3","7","1") = "7"
    & skf18("3","5","8","1","3","8","1") = "7"
    & skf18("3","5","8","1","3","9","1") = "8"
    & skf18("3","5","8","1","3","10","1") = "9"
    & skf18("3","5","8","1","4","1","1") = "7"
    & skf18("3","5","8","1","4","2","1") = "7"
    & skf18("3","5","8","1","4","3","1") = "7"
    & skf18("3","5","8","1","4","4","1") = "7"
    & skf18("3","5","8","1","4","5","1") = "7"
    & skf18("3","5","8","1","4","6","1") = "7"
    & skf18("3","5","8","1","4","7","1") = "7"
    & skf18("3","5","8","1","4","8","1") = "7"
    & skf18("3","5","8","1","4","9","1") = "8"
    & skf18("3","5","8","1","4","10","1") = "9"
    & skf18("3","5","8","1","5","1","1") = "7"
    & skf18("3","5","8","1","5","2","1") = "7"
    & skf18("3","5","8","1","5","3","1") = "7"
    & skf18("3","5","8","1","5","4","1") = "7"
    & skf18("3","5","8","1","5","5","1") = "7"
    & skf18("3","5","8","1","5","6","1") = "7"
    & skf18("3","5","8","1","5","7","1") = "7"
    & skf18("3","5","8","1","5","8","1") = "7"
    & skf18("3","5","8","1","5","9","1") = "8"
    & skf18("3","5","8","1","5","10","1") = "9"
    & skf18("3","5","8","1","6","1","1") = "7"
    & skf18("3","5","8","1","6","2","1") = "7"
    & skf18("3","5","8","1","6","3","1") = "7"
    & skf18("3","5","8","1","6","4","1") = "7"
    & skf18("3","5","8","1","6","5","1") = "7"
    & skf18("3","5","8","1","6","6","1") = "7"
    & skf18("3","5","8","1","6","7","1") = "7"
    & skf18("3","5","8","1","6","8","1") = "7"
    & skf18("3","5","8","1","6","9","1") = "8"
    & skf18("3","5","8","1","6","10","1") = "9"
    & skf18("3","5","8","1","7","1","1") = "7"
    & skf18("3","5","8","1","7","2","1") = "7"
    & skf18("3","5","8","1","7","3","1") = "7"
    & skf18("3","5","8","1","7","4","1") = "7"
    & skf18("3","5","8","1","7","5","1") = "7"
    & skf18("3","5","8","1","7","6","1") = "7"
    & skf18("3","5","8","1","7","7","1") = "7"
    & skf18("3","5","8","1","7","8","1") = "7"
    & skf18("3","5","8","1","7","9","1") = "8"
    & skf18("3","5","8","1","7","10","1") = "9"
    & skf18("3","5","8","1","8","1","1") = "7"
    & skf18("3","5","8","1","8","2","1") = "7"
    & skf18("3","5","8","1","8","3","1") = "7"
    & skf18("3","5","8","1","8","4","1") = "7"
    & skf18("3","5","8","1","8","5","1") = "7"
    & skf18("3","5","8","1","8","6","1") = "7"
    & skf18("3","5","8","1","8","7","1") = "7"
    & skf18("3","5","8","1","8","8","1") = "7"
    & skf18("3","5","8","1","8","9","1") = "8"
    & skf18("3","5","8","1","8","10","1") = "9"
    & skf18("3","5","8","1","9","1","1") = "8"
    & skf18("3","5","8","1","9","2","1") = "8"
    & skf18("3","5","8","1","9","3","1") = "8"
    & skf18("3","5","8","1","9","4","1") = "8"
    & skf18("3","5","8","1","9","5","1") = "8"
    & skf18("3","5","8","1","9","6","1") = "8"
    & skf18("3","5","8","1","9","7","1") = "8"
    & skf18("3","5","8","1","9","8","1") = "8"
    & skf18("3","5","8","1","9","9","1") = "8"
    & skf18("3","5","8","1","9","10","1") = "9"
    & skf18("3","5","8","1","10","1","1") = "9"
    & skf18("3","5","8","1","10","2","1") = "9"
    & skf18("3","5","8","1","10","3","1") = "9"
    & skf18("3","5","8","1","10","4","1") = "9"
    & skf18("3","5","8","1","10","5","1") = "9"
    & skf18("3","5","8","1","10","6","1") = "9"
    & skf18("3","5","8","1","10","7","1") = "9"
    & skf18("3","5","8","1","10","8","1") = "9"
    & skf18("3","5","8","1","10","9","1") = "9"
    & skf18("3","5","8","1","10","10","1") = "9"
    & skf18("3","5","8","2","1","1","1") = "7"
    & skf18("3","5","8","2","1","2","1") = "7"
    & skf18("3","5","8","2","1","3","1") = "7"
    & skf18("3","5","8","2","1","4","1") = "7"
    & skf18("3","5","8","2","1","5","1") = "7"
    & skf18("3","5","8","2","1","6","1") = "7"
    & skf18("3","5","8","2","1","7","1") = "7"
    & skf18("3","5","8","2","1","8","1") = "7"
    & skf18("3","5","8","2","1","9","1") = "8"
    & skf18("3","5","8","2","1","10","1") = "9"
    & skf18("3","5","8","2","2","1","1") = "7"
    & skf18("3","5","8","2","2","2","1") = "7"
    & skf18("3","5","8","2","2","3","1") = "7"
    & skf18("3","5","8","2","2","4","1") = "7"
    & skf18("3","5","8","2","2","5","1") = "7"
    & skf18("3","5","8","2","2","6","1") = "7"
    & skf18("3","5","8","2","2","7","1") = "7"
    & skf18("3","5","8","2","2","8","1") = "7"
    & skf18("3","5","8","2","2","9","1") = "8"
    & skf18("3","5","8","2","2","10","1") = "9"
    & skf18("3","5","8","2","3","1","1") = "7"
    & skf18("3","5","8","2","3","2","1") = "7"
    & skf18("3","5","8","2","3","3","1") = "7"
    & skf18("3","5","8","2","3","4","1") = "7"
    & skf18("3","5","8","2","3","5","1") = "7"
    & skf18("3","5","8","2","3","6","1") = "7"
    & skf18("3","5","8","2","3","7","1") = "7"
    & skf18("3","5","8","2","3","8","1") = "7"
    & skf18("3","5","8","2","3","9","1") = "8"
    & skf18("3","5","8","2","3","10","1") = "9"
    & skf18("3","5","8","2","4","1","1") = "7"
    & skf18("3","5","8","2","4","2","1") = "7"
    & skf18("3","5","8","2","4","3","1") = "7"
    & skf18("3","5","8","2","4","4","1") = "7"
    & skf18("3","5","8","2","4","5","1") = "7"
    & skf18("3","5","8","2","4","6","1") = "7"
    & skf18("3","5","8","2","4","7","1") = "7"
    & skf18("3","5","8","2","4","8","1") = "7"
    & skf18("3","5","8","2","4","9","1") = "8"
    & skf18("3","5","8","2","4","10","1") = "9"
    & skf18("3","5","8","2","5","1","1") = "7"
    & skf18("3","5","8","2","5","2","1") = "7"
    & skf18("3","5","8","2","5","3","1") = "7"
    & skf18("3","5","8","2","5","4","1") = "7"
    & skf18("3","5","8","2","5","5","1") = "7"
    & skf18("3","5","8","2","5","6","1") = "7"
    & skf18("3","5","8","2","5","7","1") = "7"
    & skf18("3","5","8","2","5","8","1") = "7"
    & skf18("3","5","8","2","5","9","1") = "8"
    & skf18("3","5","8","2","5","10","1") = "9"
    & skf18("3","5","8","2","6","1","1") = "7"
    & skf18("3","5","8","2","6","2","1") = "7"
    & skf18("3","5","8","2","6","3","1") = "7"
    & skf18("3","5","8","2","6","4","1") = "7"
    & skf18("3","5","8","2","6","5","1") = "7"
    & skf18("3","5","8","2","6","6","1") = "7"
    & skf18("3","5","8","2","6","7","1") = "7"
    & skf18("3","5","8","2","6","8","1") = "7"
    & skf18("3","5","8","2","6","9","1") = "8"
    & skf18("3","5","8","2","6","10","1") = "9"
    & skf18("3","5","8","2","7","1","1") = "7"
    & skf18("3","5","8","2","7","2","1") = "7"
    & skf18("3","5","8","2","7","3","1") = "7"
    & skf18("3","5","8","2","7","4","1") = "7"
    & skf18("3","5","8","2","7","5","1") = "7"
    & skf18("3","5","8","2","7","6","1") = "7"
    & skf18("3","5","8","2","7","7","1") = "7"
    & skf18("3","5","8","2","7","8","1") = "7"
    & skf18("3","5","8","2","7","9","1") = "8"
    & skf18("3","5","8","2","7","10","1") = "9"
    & skf18("3","5","8","2","8","1","1") = "7"
    & skf18("3","5","8","2","8","2","1") = "7"
    & skf18("3","5","8","2","8","3","1") = "7"
    & skf18("3","5","8","2","8","4","1") = "7"
    & skf18("3","5","8","2","8","5","1") = "7"
    & skf18("3","5","8","2","8","6","1") = "7"
    & skf18("3","5","8","2","8","7","1") = "7"
    & skf18("3","5","8","2","8","8","1") = "7"
    & skf18("3","5","8","2","8","9","1") = "8"
    & skf18("3","5","8","2","8","10","1") = "9"
    & skf18("3","5","8","2","9","1","1") = "8"
    & skf18("3","5","8","2","9","2","1") = "8"
    & skf18("3","5","8","2","9","3","1") = "8"
    & skf18("3","5","8","2","9","4","1") = "8"
    & skf18("3","5","8","2","9","5","1") = "8"
    & skf18("3","5","8","2","9","6","1") = "8"
    & skf18("3","5","8","2","9","7","1") = "8"
    & skf18("3","5","8","2","9","8","1") = "8"
    & skf18("3","5","8","2","9","9","1") = "8"
    & skf18("3","5","8","2","9","10","1") = "9"
    & skf18("3","5","8","2","10","1","1") = "9"
    & skf18("3","5","8","2","10","2","1") = "9"
    & skf18("3","5","8","2","10","3","1") = "9"
    & skf18("3","5","8","2","10","4","1") = "9"
    & skf18("3","5","8","2","10","5","1") = "9"
    & skf18("3","5","8","2","10","6","1") = "9"
    & skf18("3","5","8","2","10","7","1") = "9"
    & skf18("3","5","8","2","10","8","1") = "9"
    & skf18("3","5","8","2","10","9","1") = "9"
    & skf18("3","5","8","2","10","10","1") = "9"
    & skf18("3","5","8","3","1","1","1") = "7"
    & skf18("3","5","8","3","1","2","1") = "7"
    & skf18("3","5","8","3","1","3","1") = "7"
    & skf18("3","5","8","3","1","4","1") = "7"
    & skf18("3","5","8","3","1","5","1") = "7"
    & skf18("3","5","8","3","1","6","1") = "7"
    & skf18("3","5","8","3","1","7","1") = "7"
    & skf18("3","5","8","3","1","8","1") = "7"
    & skf18("3","5","8","3","1","9","1") = "8"
    & skf18("3","5","8","3","1","10","1") = "9"
    & skf18("3","5","8","3","2","1","1") = "7"
    & skf18("3","5","8","3","2","2","1") = "7"
    & skf18("3","5","8","3","2","3","1") = "7"
    & skf18("3","5","8","3","2","4","1") = "7"
    & skf18("3","5","8","3","2","5","1") = "7"
    & skf18("3","5","8","3","2","6","1") = "7"
    & skf18("3","5","8","3","2","7","1") = "7"
    & skf18("3","5","8","3","2","8","1") = "7"
    & skf18("3","5","8","3","2","9","1") = "8"
    & skf18("3","5","8","3","2","10","1") = "9"
    & skf18("3","5","8","3","3","1","1") = "7"
    & skf18("3","5","8","3","3","2","1") = "7"
    & skf18("3","5","8","3","3","3","1") = "7"
    & skf18("3","5","8","3","3","4","1") = "7"
    & skf18("3","5","8","3","3","5","1") = "7"
    & skf18("3","5","8","3","3","6","1") = "7"
    & skf18("3","5","8","3","3","7","1") = "7"
    & skf18("3","5","8","3","3","8","1") = "7"
    & skf18("3","5","8","3","3","9","1") = "8"
    & skf18("3","5","8","3","3","10","1") = "9"
    & skf18("3","5","8","3","4","1","1") = "7"
    & skf18("3","5","8","3","4","2","1") = "7"
    & skf18("3","5","8","3","4","3","1") = "7"
    & skf18("3","5","8","3","4","4","1") = "7"
    & skf18("3","5","8","3","4","5","1") = "7"
    & skf18("3","5","8","3","4","6","1") = "7"
    & skf18("3","5","8","3","4","7","1") = "7"
    & skf18("3","5","8","3","4","8","1") = "7"
    & skf18("3","5","8","3","4","9","1") = "8"
    & skf18("3","5","8","3","4","10","1") = "9"
    & skf18("3","5","8","3","5","1","1") = "7"
    & skf18("3","5","8","3","5","2","1") = "7"
    & skf18("3","5","8","3","5","3","1") = "7"
    & skf18("3","5","8","3","5","4","1") = "7"
    & skf18("3","5","8","3","5","5","1") = "7"
    & skf18("3","5","8","3","5","6","1") = "7"
    & skf18("3","5","8","3","5","7","1") = "7"
    & skf18("3","5","8","3","5","8","1") = "7"
    & skf18("3","5","8","3","5","9","1") = "8"
    & skf18("3","5","8","3","5","10","1") = "9"
    & skf18("3","5","8","3","6","1","1") = "7"
    & skf18("3","5","8","3","6","2","1") = "7"
    & skf18("3","5","8","3","6","3","1") = "7"
    & skf18("3","5","8","3","6","4","1") = "7"
    & skf18("3","5","8","3","6","5","1") = "7"
    & skf18("3","5","8","3","6","6","1") = "7"
    & skf18("3","5","8","3","6","7","1") = "7"
    & skf18("3","5","8","3","6","8","1") = "7"
    & skf18("3","5","8","3","6","9","1") = "8"
    & skf18("3","5","8","3","6","10","1") = "9"
    & skf18("3","5","8","3","7","1","1") = "7"
    & skf18("3","5","8","3","7","2","1") = "7"
    & skf18("3","5","8","3","7","3","1") = "7"
    & skf18("3","5","8","3","7","4","1") = "7"
    & skf18("3","5","8","3","7","5","1") = "7"
    & skf18("3","5","8","3","7","6","1") = "7"
    & skf18("3","5","8","3","7","7","1") = "7"
    & skf18("3","5","8","3","7","8","1") = "7"
    & skf18("3","5","8","3","7","9","1") = "8"
    & skf18("3","5","8","3","7","10","1") = "9"
    & skf18("3","5","8","3","8","1","1") = "7"
    & skf18("3","5","8","3","8","2","1") = "7"
    & skf18("3","5","8","3","8","3","1") = "7"
    & skf18("3","5","8","3","8","4","1") = "7"
    & skf18("3","5","8","3","8","5","1") = "7"
    & skf18("3","5","8","3","8","6","1") = "7"
    & skf18("3","5","8","3","8","7","1") = "7"
    & skf18("3","5","8","3","8","8","1") = "7"
    & skf18("3","5","8","3","8","9","1") = "8"
    & skf18("3","5","8","3","8","10","1") = "9"
    & skf18("3","5","8","3","9","1","1") = "8"
    & skf18("3","5","8","3","9","2","1") = "8"
    & skf18("3","5","8","3","9","3","1") = "8"
    & skf18("3","5","8","3","9","4","1") = "8"
    & skf18("3","5","8","3","9","5","1") = "8"
    & skf18("3","5","8","3","9","6","1") = "8"
    & skf18("3","5","8","3","9","7","1") = "8"
    & skf18("3","5","8","3","9","8","1") = "8"
    & skf18("3","5","8","3","9","9","1") = "8"
    & skf18("3","5","8","3","9","10","1") = "9"
    & skf18("3","5","8","3","10","1","1") = "9"
    & skf18("3","5","8","3","10","2","1") = "9"
    & skf18("3","5","8","3","10","3","1") = "9"
    & skf18("3","5","8","3","10","4","1") = "9"
    & skf18("3","5","8","3","10","5","1") = "9"
    & skf18("3","5","8","3","10","6","1") = "9"
    & skf18("3","5","8","3","10","7","1") = "9"
    & skf18("3","5","8","3","10","8","1") = "9"
    & skf18("3","5","8","3","10","9","1") = "9"
    & skf18("3","5","8","3","10","10","1") = "9"
    & skf18("3","5","8","4","1","1","1") = "7"
    & skf18("3","5","8","4","1","2","1") = "7"
    & skf18("3","5","8","4","1","3","1") = "7"
    & skf18("3","5","8","4","1","4","1") = "7"
    & skf18("3","5","8","4","1","5","1") = "7"
    & skf18("3","5","8","4","1","6","1") = "7"
    & skf18("3","5","8","4","1","7","1") = "7"
    & skf18("3","5","8","4","1","8","1") = "7"
    & skf18("3","5","8","4","1","9","1") = "8"
    & skf18("3","5","8","4","1","10","1") = "9"
    & skf18("3","5","8","4","2","1","1") = "7"
    & skf18("3","5","8","4","2","2","1") = "7"
    & skf18("3","5","8","4","2","3","1") = "7"
    & skf18("3","5","8","4","2","4","1") = "7"
    & skf18("3","5","8","4","2","5","1") = "7"
    & skf18("3","5","8","4","2","6","1") = "7"
    & skf18("3","5","8","4","2","7","1") = "7"
    & skf18("3","5","8","4","2","8","1") = "7"
    & skf18("3","5","8","4","2","9","1") = "8"
    & skf18("3","5","8","4","2","10","1") = "9"
    & skf18("3","5","8","4","3","1","1") = "7"
    & skf18("3","5","8","4","3","2","1") = "7"
    & skf18("3","5","8","4","3","3","1") = "7"
    & skf18("3","5","8","4","3","4","1") = "7"
    & skf18("3","5","8","4","3","5","1") = "7"
    & skf18("3","5","8","4","3","6","1") = "7"
    & skf18("3","5","8","4","3","7","1") = "7"
    & skf18("3","5","8","4","3","8","1") = "7"
    & skf18("3","5","8","4","3","9","1") = "8"
    & skf18("3","5","8","4","3","10","1") = "9"
    & skf18("3","5","8","4","4","1","1") = "7"
    & skf18("3","5","8","4","4","2","1") = "7"
    & skf18("3","5","8","4","4","3","1") = "7"
    & skf18("3","5","8","4","4","4","1") = "7"
    & skf18("3","5","8","4","4","5","1") = "7"
    & skf18("3","5","8","4","4","6","1") = "7"
    & skf18("3","5","8","4","4","7","1") = "7"
    & skf18("3","5","8","4","4","8","1") = "7"
    & skf18("3","5","8","4","4","9","1") = "8"
    & skf18("3","5","8","4","4","10","1") = "9"
    & skf18("3","5","8","4","5","1","1") = "7"
    & skf18("3","5","8","4","5","2","1") = "7"
    & skf18("3","5","8","4","5","3","1") = "7"
    & skf18("3","5","8","4","5","4","1") = "7"
    & skf18("3","5","8","4","5","5","1") = "7"
    & skf18("3","5","8","4","5","6","1") = "7"
    & skf18("3","5","8","4","5","7","1") = "7"
    & skf18("3","5","8","4","5","8","1") = "7"
    & skf18("3","5","8","4","5","9","1") = "8"
    & skf18("3","5","8","4","5","10","1") = "9"
    & skf18("3","5","8","4","6","1","1") = "7"
    & skf18("3","5","8","4","6","2","1") = "7"
    & skf18("3","5","8","4","6","3","1") = "7"
    & skf18("3","5","8","4","6","4","1") = "7"
    & skf18("3","5","8","4","6","5","1") = "7"
    & skf18("3","5","8","4","6","6","1") = "7"
    & skf18("3","5","8","4","6","7","1") = "7"
    & skf18("3","5","8","4","6","8","1") = "7"
    & skf18("3","5","8","4","6","9","1") = "8"
    & skf18("3","5","8","4","6","10","1") = "9"
    & skf18("3","5","8","4","7","1","1") = "7"
    & skf18("3","5","8","4","7","2","1") = "7"
    & skf18("3","5","8","4","7","3","1") = "7"
    & skf18("3","5","8","4","7","4","1") = "7"
    & skf18("3","5","8","4","7","5","1") = "7"
    & skf18("3","5","8","4","7","6","1") = "7"
    & skf18("3","5","8","4","7","7","1") = "7"
    & skf18("3","5","8","4","7","8","1") = "7"
    & skf18("3","5","8","4","7","9","1") = "8"
    & skf18("3","5","8","4","7","10","1") = "9"
    & skf18("3","5","8","4","8","1","1") = "7"
    & skf18("3","5","8","4","8","2","1") = "7"
    & skf18("3","5","8","4","8","3","1") = "7"
    & skf18("3","5","8","4","8","4","1") = "7"
    & skf18("3","5","8","4","8","5","1") = "7"
    & skf18("3","5","8","4","8","6","1") = "7"
    & skf18("3","5","8","4","8","7","1") = "7"
    & skf18("3","5","8","4","8","8","1") = "7"
    & skf18("3","5","8","4","8","9","1") = "8"
    & skf18("3","5","8","4","8","10","1") = "9"
    & skf18("3","5","8","4","9","1","1") = "8"
    & skf18("3","5","8","4","9","2","1") = "8"
    & skf18("3","5","8","4","9","3","1") = "8"
    & skf18("3","5","8","4","9","4","1") = "8"
    & skf18("3","5","8","4","9","5","1") = "8"
    & skf18("3","5","8","4","9","6","1") = "8"
    & skf18("3","5","8","4","9","7","1") = "8"
    & skf18("3","5","8","4","9","8","1") = "8"
    & skf18("3","5","8","4","9","9","1") = "8"
    & skf18("3","5","8","4","9","10","1") = "9"
    & skf18("3","5","8","4","10","1","1") = "9"
    & skf18("3","5","8","4","10","2","1") = "9"
    & skf18("3","5","8","4","10","3","1") = "9"
    & skf18("3","5","8","4","10","4","1") = "9"
    & skf18("3","5","8","4","10","5","1") = "9"
    & skf18("3","5","8","4","10","6","1") = "9"
    & skf18("3","5","8","4","10","7","1") = "9"
    & skf18("3","5","8","4","10","8","1") = "9"
    & skf18("3","5","8","4","10","9","1") = "9"
    & skf18("3","5","8","4","10","10","1") = "9"
    & skf18("3","5","8","5","1","1","1") = "7"
    & skf18("3","5","8","5","1","2","1") = "7"
    & skf18("3","5","8","5","1","3","1") = "7"
    & skf18("3","5","8","5","1","4","1") = "7"
    & skf18("3","5","8","5","1","5","1") = "7"
    & skf18("3","5","8","5","1","6","1") = "7"
    & skf18("3","5","8","5","1","7","1") = "7"
    & skf18("3","5","8","5","1","8","1") = "7"
    & skf18("3","5","8","5","1","9","1") = "8"
    & skf18("3","5","8","5","1","10","1") = "9"
    & skf18("3","5","8","5","2","1","1") = "7"
    & skf18("3","5","8","5","2","2","1") = "7"
    & skf18("3","5","8","5","2","3","1") = "7"
    & skf18("3","5","8","5","2","4","1") = "7"
    & skf18("3","5","8","5","2","5","1") = "7"
    & skf18("3","5","8","5","2","6","1") = "7"
    & skf18("3","5","8","5","2","7","1") = "7"
    & skf18("3","5","8","5","2","8","1") = "7"
    & skf18("3","5","8","5","2","9","1") = "8"
    & skf18("3","5","8","5","2","10","1") = "9"
    & skf18("3","5","8","5","3","1","1") = "7"
    & skf18("3","5","8","5","3","2","1") = "7"
    & skf18("3","5","8","5","3","3","1") = "7"
    & skf18("3","5","8","5","3","4","1") = "7"
    & skf18("3","5","8","5","3","5","1") = "7"
    & skf18("3","5","8","5","3","6","1") = "7"
    & skf18("3","5","8","5","3","7","1") = "7"
    & skf18("3","5","8","5","3","8","1") = "7"
    & skf18("3","5","8","5","3","9","1") = "8"
    & skf18("3","5","8","5","3","10","1") = "9"
    & skf18("3","5","8","5","4","1","1") = "7"
    & skf18("3","5","8","5","4","2","1") = "7"
    & skf18("3","5","8","5","4","3","1") = "7"
    & skf18("3","5","8","5","4","4","1") = "7"
    & skf18("3","5","8","5","4","5","1") = "7"
    & skf18("3","5","8","5","4","6","1") = "7"
    & skf18("3","5","8","5","4","7","1") = "7"
    & skf18("3","5","8","5","4","8","1") = "7"
    & skf18("3","5","8","5","4","9","1") = "8"
    & skf18("3","5","8","5","4","10","1") = "9"
    & skf18("3","5","8","5","5","1","1") = "7"
    & skf18("3","5","8","5","5","2","1") = "7"
    & skf18("3","5","8","5","5","3","1") = "7"
    & skf18("3","5","8","5","5","4","1") = "7"
    & skf18("3","5","8","5","5","5","1") = "7"
    & skf18("3","5","8","5","5","6","1") = "7"
    & skf18("3","5","8","5","5","7","1") = "7"
    & skf18("3","5","8","5","5","8","1") = "7"
    & skf18("3","5","8","5","5","9","1") = "8"
    & skf18("3","5","8","5","5","10","1") = "9"
    & skf18("3","5","8","5","6","1","1") = "7"
    & skf18("3","5","8","5","6","2","1") = "7"
    & skf18("3","5","8","5","6","3","1") = "7"
    & skf18("3","5","8","5","6","4","1") = "7"
    & skf18("3","5","8","5","6","5","1") = "7"
    & skf18("3","5","8","5","6","6","1") = "7"
    & skf18("3","5","8","5","6","7","1") = "7"
    & skf18("3","5","8","5","6","8","1") = "7"
    & skf18("3","5","8","5","6","9","1") = "8"
    & skf18("3","5","8","5","6","10","1") = "9"
    & skf18("3","5","8","5","7","1","1") = "7"
    & skf18("3","5","8","5","7","2","1") = "7"
    & skf18("3","5","8","5","7","3","1") = "7"
    & skf18("3","5","8","5","7","4","1") = "7"
    & skf18("3","5","8","5","7","5","1") = "7"
    & skf18("3","5","8","5","7","6","1") = "7"
    & skf18("3","5","8","5","7","7","1") = "7"
    & skf18("3","5","8","5","7","8","1") = "7"
    & skf18("3","5","8","5","7","9","1") = "8"
    & skf18("3","5","8","5","7","10","1") = "9"
    & skf18("3","5","8","5","8","1","1") = "7"
    & skf18("3","5","8","5","8","2","1") = "7"
    & skf18("3","5","8","5","8","3","1") = "7"
    & skf18("3","5","8","5","8","4","1") = "7"
    & skf18("3","5","8","5","8","5","1") = "7"
    & skf18("3","5","8","5","8","6","1") = "7"
    & skf18("3","5","8","5","8","7","1") = "7"
    & skf18("3","5","8","5","8","8","1") = "7"
    & skf18("3","5","8","5","8","9","1") = "8"
    & skf18("3","5","8","5","8","10","1") = "9"
    & skf18("3","5","8","5","9","1","1") = "8"
    & skf18("3","5","8","5","9","2","1") = "8"
    & skf18("3","5","8","5","9","3","1") = "8"
    & skf18("3","5","8","5","9","4","1") = "8"
    & skf18("3","5","8","5","9","5","1") = "8"
    & skf18("3","5","8","5","9","6","1") = "8"
    & skf18("3","5","8","5","9","7","1") = "8"
    & skf18("3","5","8","5","9","8","1") = "8"
    & skf18("3","5","8","5","9","9","1") = "8"
    & skf18("3","5","8","5","9","10","1") = "9"
    & skf18("3","5","8","5","10","1","1") = "9"
    & skf18("3","5","8","5","10","2","1") = "9"
    & skf18("3","5","8","5","10","3","1") = "9"
    & skf18("3","5","8","5","10","4","1") = "9"
    & skf18("3","5","8","5","10","5","1") = "9"
    & skf18("3","5","8","5","10","6","1") = "9"
    & skf18("3","5","8","5","10","7","1") = "9"
    & skf18("3","5","8","5","10","8","1") = "9"
    & skf18("3","5","8","5","10","9","1") = "9"
    & skf18("3","5","8","5","10","10","1") = "9"
    & skf18("3","5","8","6","1","1","1") = "7"
    & skf18("3","5","8","6","1","2","1") = "7"
    & skf18("3","5","8","6","1","3","1") = "7"
    & skf18("3","5","8","6","1","4","1") = "7"
    & skf18("3","5","8","6","1","5","1") = "7"
    & skf18("3","5","8","6","1","6","1") = "7"
    & skf18("3","5","8","6","1","7","1") = "7"
    & skf18("3","5","8","6","1","8","1") = "7"
    & skf18("3","5","8","6","1","9","1") = "8"
    & skf18("3","5","8","6","1","10","1") = "9"
    & skf18("3","5","8","6","2","1","1") = "7"
    & skf18("3","5","8","6","2","2","1") = "7"
    & skf18("3","5","8","6","2","3","1") = "7"
    & skf18("3","5","8","6","2","4","1") = "7"
    & skf18("3","5","8","6","2","5","1") = "7"
    & skf18("3","5","8","6","2","6","1") = "7"
    & skf18("3","5","8","6","2","7","1") = "7"
    & skf18("3","5","8","6","2","8","1") = "7"
    & skf18("3","5","8","6","2","9","1") = "8"
    & skf18("3","5","8","6","2","10","1") = "9"
    & skf18("3","5","8","6","3","1","1") = "7"
    & skf18("3","5","8","6","3","2","1") = "7"
    & skf18("3","5","8","6","3","3","1") = "7"
    & skf18("3","5","8","6","3","4","1") = "7"
    & skf18("3","5","8","6","3","5","1") = "7"
    & skf18("3","5","8","6","3","6","1") = "7"
    & skf18("3","5","8","6","3","7","1") = "7"
    & skf18("3","5","8","6","3","8","1") = "7"
    & skf18("3","5","8","6","3","9","1") = "8"
    & skf18("3","5","8","6","3","10","1") = "9"
    & skf18("3","5","8","6","4","1","1") = "7"
    & skf18("3","5","8","6","4","2","1") = "7"
    & skf18("3","5","8","6","4","3","1") = "7"
    & skf18("3","5","8","6","4","4","1") = "7"
    & skf18("3","5","8","6","4","5","1") = "7"
    & skf18("3","5","8","6","4","6","1") = "7"
    & skf18("3","5","8","6","4","7","1") = "7"
    & skf18("3","5","8","6","4","8","1") = "7"
    & skf18("3","5","8","6","4","9","1") = "8"
    & skf18("3","5","8","6","4","10","1") = "9"
    & skf18("3","5","8","6","5","1","1") = "7"
    & skf18("3","5","8","6","5","2","1") = "7"
    & skf18("3","5","8","6","5","3","1") = "7"
    & skf18("3","5","8","6","5","4","1") = "7"
    & skf18("3","5","8","6","5","5","1") = "7"
    & skf18("3","5","8","6","5","6","1") = "7"
    & skf18("3","5","8","6","5","7","1") = "7"
    & skf18("3","5","8","6","5","8","1") = "7"
    & skf18("3","5","8","6","5","9","1") = "8"
    & skf18("3","5","8","6","5","10","1") = "9"
    & skf18("3","5","8","6","6","1","1") = "7"
    & skf18("3","5","8","6","6","2","1") = "7"
    & skf18("3","5","8","6","6","3","1") = "7"
    & skf18("3","5","8","6","6","4","1") = "7"
    & skf18("3","5","8","6","6","5","1") = "7"
    & skf18("3","5","8","6","6","6","1") = "7"
    & skf18("3","5","8","6","6","7","1") = "7"
    & skf18("3","5","8","6","6","8","1") = "7"
    & skf18("3","5","8","6","6","9","1") = "8"
    & skf18("3","5","8","6","6","10","1") = "9"
    & skf18("3","5","8","6","7","1","1") = "7"
    & skf18("3","5","8","6","7","2","1") = "7"
    & skf18("3","5","8","6","7","3","1") = "7"
    & skf18("3","5","8","6","7","4","1") = "7"
    & skf18("3","5","8","6","7","5","1") = "7"
    & skf18("3","5","8","6","7","6","1") = "7"
    & skf18("3","5","8","6","7","7","1") = "7"
    & skf18("3","5","8","6","7","8","1") = "7"
    & skf18("3","5","8","6","7","9","1") = "8"
    & skf18("3","5","8","6","7","10","1") = "9"
    & skf18("3","5","8","6","8","1","1") = "7"
    & skf18("3","5","8","6","8","2","1") = "7"
    & skf18("3","5","8","6","8","3","1") = "7"
    & skf18("3","5","8","6","8","4","1") = "7"
    & skf18("3","5","8","6","8","5","1") = "7"
    & skf18("3","5","8","6","8","6","1") = "7"
    & skf18("3","5","8","6","8","7","1") = "7"
    & skf18("3","5","8","6","8","8","1") = "7"
    & skf18("3","5","8","6","8","9","1") = "8"
    & skf18("3","5","8","6","8","10","1") = "9"
    & skf18("3","5","8","6","9","1","1") = "8"
    & skf18("3","5","8","6","9","2","1") = "8"
    & skf18("3","5","8","6","9","3","1") = "8"
    & skf18("3","5","8","6","9","4","1") = "8"
    & skf18("3","5","8","6","9","5","1") = "8"
    & skf18("3","5","8","6","9","6","1") = "8"
    & skf18("3","5","8","6","9","7","1") = "8"
    & skf18("3","5","8","6","9","8","1") = "8"
    & skf18("3","5","8","6","9","9","1") = "8"
    & skf18("3","5","8","6","9","10","1") = "9"
    & skf18("3","5","8","6","10","1","1") = "9"
    & skf18("3","5","8","6","10","2","1") = "9"
    & skf18("3","5","8","6","10","3","1") = "9"
    & skf18("3","5","8","6","10","4","1") = "9"
    & skf18("3","5","8","6","10","5","1") = "9"
    & skf18("3","5","8","6","10","6","1") = "9"
    & skf18("3","5","8","6","10","7","1") = "9"
    & skf18("3","5","8","6","10","8","1") = "9"
    & skf18("3","5","8","6","10","9","1") = "9"
    & skf18("3","5","8","6","10","10","1") = "9"
    & skf18("3","5","8","7","1","1","1") = "7"
    & skf18("3","5","8","7","1","2","1") = "7"
    & skf18("3","5","8","7","1","3","1") = "7"
    & skf18("3","5","8","7","1","4","1") = "7"
    & skf18("3","5","8","7","1","5","1") = "7"
    & skf18("3","5","8","7","1","6","1") = "7"
    & skf18("3","5","8","7","1","7","1") = "7"
    & skf18("3","5","8","7","1","8","1") = "7"
    & skf18("3","5","8","7","1","9","1") = "8"
    & skf18("3","5","8","7","1","10","1") = "9"
    & skf18("3","5","8","7","2","1","1") = "7"
    & skf18("3","5","8","7","2","2","1") = "7"
    & skf18("3","5","8","7","2","3","1") = "7"
    & skf18("3","5","8","7","2","4","1") = "7"
    & skf18("3","5","8","7","2","5","1") = "7"
    & skf18("3","5","8","7","2","6","1") = "7"
    & skf18("3","5","8","7","2","7","1") = "7"
    & skf18("3","5","8","7","2","8","1") = "7"
    & skf18("3","5","8","7","2","9","1") = "8"
    & skf18("3","5","8","7","2","10","1") = "9"
    & skf18("3","5","8","7","3","1","1") = "7"
    & skf18("3","5","8","7","3","2","1") = "7"
    & skf18("3","5","8","7","3","3","1") = "7"
    & skf18("3","5","8","7","3","4","1") = "7"
    & skf18("3","5","8","7","3","5","1") = "7"
    & skf18("3","5","8","7","3","6","1") = "7"
    & skf18("3","5","8","7","3","7","1") = "7"
    & skf18("3","5","8","7","3","8","1") = "7"
    & skf18("3","5","8","7","3","9","1") = "8"
    & skf18("3","5","8","7","3","10","1") = "9"
    & skf18("3","5","8","7","4","1","1") = "7"
    & skf18("3","5","8","7","4","2","1") = "7"
    & skf18("3","5","8","7","4","3","1") = "7"
    & skf18("3","5","8","7","4","4","1") = "7"
    & skf18("3","5","8","7","4","5","1") = "7"
    & skf18("3","5","8","7","4","6","1") = "7"
    & skf18("3","5","8","7","4","7","1") = "7"
    & skf18("3","5","8","7","4","8","1") = "7"
    & skf18("3","5","8","7","4","9","1") = "8"
    & skf18("3","5","8","7","4","10","1") = "9"
    & skf18("3","5","8","7","5","1","1") = "7"
    & skf18("3","5","8","7","5","2","1") = "7"
    & skf18("3","5","8","7","5","3","1") = "7"
    & skf18("3","5","8","7","5","4","1") = "7"
    & skf18("3","5","8","7","5","5","1") = "7"
    & skf18("3","5","8","7","5","6","1") = "7"
    & skf18("3","5","8","7","5","7","1") = "7"
    & skf18("3","5","8","7","5","8","1") = "7"
    & skf18("3","5","8","7","5","9","1") = "8"
    & skf18("3","5","8","7","5","10","1") = "9"
    & skf18("3","5","8","7","6","1","1") = "7"
    & skf18("3","5","8","7","6","2","1") = "7"
    & skf18("3","5","8","7","6","3","1") = "7"
    & skf18("3","5","8","7","6","4","1") = "7"
    & skf18("3","5","8","7","6","5","1") = "7"
    & skf18("3","5","8","7","6","6","1") = "7"
    & skf18("3","5","8","7","6","7","1") = "7"
    & skf18("3","5","8","7","6","8","1") = "7"
    & skf18("3","5","8","7","6","9","1") = "8"
    & skf18("3","5","8","7","6","10","1") = "9"
    & skf18("3","5","8","7","7","1","1") = "7"
    & skf18("3","5","8","7","7","2","1") = "7"
    & skf18("3","5","8","7","7","3","1") = "7"
    & skf18("3","5","8","7","7","4","1") = "7"
    & skf18("3","5","8","7","7","5","1") = "7"
    & skf18("3","5","8","7","7","6","1") = "7"
    & skf18("3","5","8","7","7","7","1") = "7"
    & skf18("3","5","8","7","7","8","1") = "7"
    & skf18("3","5","8","7","7","9","1") = "8"
    & skf18("3","5","8","7","7","10","1") = "9"
    & skf18("3","5","8","7","8","1","1") = "7"
    & skf18("3","5","8","7","8","2","1") = "7"
    & skf18("3","5","8","7","8","3","1") = "7"
    & skf18("3","5","8","7","8","4","1") = "7"
    & skf18("3","5","8","7","8","5","1") = "7"
    & skf18("3","5","8","7","8","6","1") = "7"
    & skf18("3","5","8","7","8","7","1") = "7"
    & skf18("3","5","8","7","8","8","1") = "7"
    & skf18("3","5","8","7","8","9","1") = "8"
    & skf18("3","5","8","7","8","10","1") = "9"
    & skf18("3","5","8","7","9","1","1") = "8"
    & skf18("3","5","8","7","9","2","1") = "8"
    & skf18("3","5","8","7","9","3","1") = "8"
    & skf18("3","5","8","7","9","4","1") = "8"
    & skf18("3","5","8","7","9","5","1") = "8"
    & skf18("3","5","8","7","9","6","1") = "8"
    & skf18("3","5","8","7","9","7","1") = "8"
    & skf18("3","5","8","7","9","8","1") = "8"
    & skf18("3","5","8","7","9","9","1") = "8"
    & skf18("3","5","8","7","9","10","1") = "9"
    & skf18("3","5","8","7","10","1","1") = "9"
    & skf18("3","5","8","7","10","2","1") = "9"
    & skf18("3","5","8","7","10","3","1") = "9"
    & skf18("3","5","8","7","10","4","1") = "9"
    & skf18("3","5","8","7","10","5","1") = "9"
    & skf18("3","5","8","7","10","6","1") = "9"
    & skf18("3","5","8","7","10","7","1") = "9"
    & skf18("3","5","8","7","10","8","1") = "9"
    & skf18("3","5","8","7","10","9","1") = "9"
    & skf18("3","5","8","7","10","10","1") = "9"
    & skf18("3","5","8","8","1","1","1") = "7"
    & skf18("3","5","8","8","1","2","1") = "7"
    & skf18("3","5","8","8","1","3","1") = "7"
    & skf18("3","5","8","8","1","4","1") = "7"
    & skf18("3","5","8","8","1","5","1") = "7"
    & skf18("3","5","8","8","1","6","1") = "7"
    & skf18("3","5","8","8","1","7","1") = "7"
    & skf18("3","5","8","8","1","8","1") = "7"
    & skf18("3","5","8","8","1","9","1") = "8"
    & skf18("3","5","8","8","1","10","1") = "9"
    & skf18("3","5","8","8","2","1","1") = "7"
    & skf18("3","5","8","8","2","2","1") = "7"
    & skf18("3","5","8","8","2","3","1") = "7"
    & skf18("3","5","8","8","2","4","1") = "7"
    & skf18("3","5","8","8","2","5","1") = "7"
    & skf18("3","5","8","8","2","6","1") = "7"
    & skf18("3","5","8","8","2","7","1") = "7"
    & skf18("3","5","8","8","2","8","1") = "7"
    & skf18("3","5","8","8","2","9","1") = "8"
    & skf18("3","5","8","8","2","10","1") = "9"
    & skf18("3","5","8","8","3","1","1") = "7"
    & skf18("3","5","8","8","3","2","1") = "7"
    & skf18("3","5","8","8","3","3","1") = "7"
    & skf18("3","5","8","8","3","4","1") = "7"
    & skf18("3","5","8","8","3","5","1") = "7"
    & skf18("3","5","8","8","3","6","1") = "7"
    & skf18("3","5","8","8","3","7","1") = "7"
    & skf18("3","5","8","8","3","8","1") = "7"
    & skf18("3","5","8","8","3","9","1") = "8"
    & skf18("3","5","8","8","3","10","1") = "9"
    & skf18("3","5","8","8","4","1","1") = "7"
    & skf18("3","5","8","8","4","2","1") = "7"
    & skf18("3","5","8","8","4","3","1") = "7"
    & skf18("3","5","8","8","4","4","1") = "7"
    & skf18("3","5","8","8","4","5","1") = "7"
    & skf18("3","5","8","8","4","6","1") = "7"
    & skf18("3","5","8","8","4","7","1") = "7"
    & skf18("3","5","8","8","4","8","1") = "7"
    & skf18("3","5","8","8","4","9","1") = "8"
    & skf18("3","5","8","8","4","10","1") = "9"
    & skf18("3","5","8","8","5","1","1") = "7"
    & skf18("3","5","8","8","5","2","1") = "7"
    & skf18("3","5","8","8","5","3","1") = "7"
    & skf18("3","5","8","8","5","4","1") = "7"
    & skf18("3","5","8","8","5","5","1") = "7"
    & skf18("3","5","8","8","5","6","1") = "7"
    & skf18("3","5","8","8","5","7","1") = "7"
    & skf18("3","5","8","8","5","8","1") = "7"
    & skf18("3","5","8","8","5","9","1") = "8"
    & skf18("3","5","8","8","5","10","1") = "9"
    & skf18("3","5","8","8","6","1","1") = "7"
    & skf18("3","5","8","8","6","2","1") = "7"
    & skf18("3","5","8","8","6","3","1") = "7"
    & skf18("3","5","8","8","6","4","1") = "7"
    & skf18("3","5","8","8","6","5","1") = "7"
    & skf18("3","5","8","8","6","6","1") = "7"
    & skf18("3","5","8","8","6","7","1") = "7"
    & skf18("3","5","8","8","6","8","1") = "7"
    & skf18("3","5","8","8","6","9","1") = "8"
    & skf18("3","5","8","8","6","10","1") = "9"
    & skf18("3","5","8","8","7","1","1") = "7"
    & skf18("3","5","8","8","7","2","1") = "7"
    & skf18("3","5","8","8","7","3","1") = "7"
    & skf18("3","5","8","8","7","4","1") = "7"
    & skf18("3","5","8","8","7","5","1") = "7"
    & skf18("3","5","8","8","7","6","1") = "7"
    & skf18("3","5","8","8","7","7","1") = "7"
    & skf18("3","5","8","8","7","8","1") = "7"
    & skf18("3","5","8","8","7","9","1") = "8"
    & skf18("3","5","8","8","7","10","1") = "9"
    & skf18("3","5","8","8","8","1","1") = "7"
    & skf18("3","5","8","8","8","2","1") = "7"
    & skf18("3","5","8","8","8","3","1") = "7"
    & skf18("3","5","8","8","8","4","1") = "7"
    & skf18("3","5","8","8","8","5","1") = "7"
    & skf18("3","5","8","8","8","6","1") = "7"
    & skf18("3","5","8","8","8","7","1") = "7"
    & skf18("3","5","8","8","8","8","1") = "7"
    & skf18("3","5","8","8","8","9","1") = "8"
    & skf18("3","5","8","8","8","10","1") = "9"
    & skf18("3","5","8","8","9","1","1") = "8"
    & skf18("3","5","8","8","9","2","1") = "8"
    & skf18("3","5","8","8","9","3","1") = "8"
    & skf18("3","5","8","8","9","4","1") = "8"
    & skf18("3","5","8","8","9","5","1") = "8"
    & skf18("3","5","8","8","9","6","1") = "8"
    & skf18("3","5","8","8","9","7","1") = "8"
    & skf18("3","5","8","8","9","8","1") = "8"
    & skf18("3","5","8","8","9","9","1") = "8"
    & skf18("3","5","8","8","9","10","1") = "9"
    & skf18("3","5","8","8","10","1","1") = "9"
    & skf18("3","5","8","8","10","2","1") = "9"
    & skf18("3","5","8","8","10","3","1") = "9"
    & skf18("3","5","8","8","10","4","1") = "9"
    & skf18("3","5","8","8","10","5","1") = "9"
    & skf18("3","5","8","8","10","6","1") = "9"
    & skf18("3","5","8","8","10","7","1") = "9"
    & skf18("3","5","8","8","10","8","1") = "9"
    & skf18("3","5","8","8","10","9","1") = "9"
    & skf18("3","5","8","8","10","10","1") = "9"
    & skf18("3","5","8","9","1","1","1") = "8"
    & skf18("3","5","8","9","1","2","1") = "8"
    & skf18("3","5","8","9","1","3","1") = "8"
    & skf18("3","5","8","9","1","4","1") = "8"
    & skf18("3","5","8","9","1","5","1") = "8"
    & skf18("3","5","8","9","1","6","1") = "8"
    & skf18("3","5","8","9","1","7","1") = "8"
    & skf18("3","5","8","9","1","8","1") = "8"
    & skf18("3","5","8","9","1","9","1") = "8"
    & skf18("3","5","8","9","1","10","1") = "9"
    & skf18("3","5","8","9","2","1","1") = "8"
    & skf18("3","5","8","9","2","2","1") = "8"
    & skf18("3","5","8","9","2","3","1") = "8"
    & skf18("3","5","8","9","2","4","1") = "8"
    & skf18("3","5","8","9","2","5","1") = "8"
    & skf18("3","5","8","9","2","6","1") = "8"
    & skf18("3","5","8","9","2","7","1") = "8"
    & skf18("3","5","8","9","2","8","1") = "8"
    & skf18("3","5","8","9","2","9","1") = "8"
    & skf18("3","5","8","9","2","10","1") = "9"
    & skf18("3","5","8","9","3","1","1") = "8"
    & skf18("3","5","8","9","3","2","1") = "8"
    & skf18("3","5","8","9","3","3","1") = "8"
    & skf18("3","5","8","9","3","4","1") = "8"
    & skf18("3","5","8","9","3","5","1") = "8"
    & skf18("3","5","8","9","3","6","1") = "8"
    & skf18("3","5","8","9","3","7","1") = "8"
    & skf18("3","5","8","9","3","8","1") = "8"
    & skf18("3","5","8","9","3","9","1") = "8"
    & skf18("3","5","8","9","3","10","1") = "9"
    & skf18("3","5","8","9","4","1","1") = "8"
    & skf18("3","5","8","9","4","2","1") = "8"
    & skf18("3","5","8","9","4","3","1") = "8"
    & skf18("3","5","8","9","4","4","1") = "8"
    & skf18("3","5","8","9","4","5","1") = "8"
    & skf18("3","5","8","9","4","6","1") = "8"
    & skf18("3","5","8","9","4","7","1") = "8"
    & skf18("3","5","8","9","4","8","1") = "8"
    & skf18("3","5","8","9","4","9","1") = "8"
    & skf18("3","5","8","9","4","10","1") = "9"
    & skf18("3","5","8","9","5","1","1") = "8"
    & skf18("3","5","8","9","5","2","1") = "8"
    & skf18("3","5","8","9","5","3","1") = "8"
    & skf18("3","5","8","9","5","4","1") = "8"
    & skf18("3","5","8","9","5","5","1") = "8"
    & skf18("3","5","8","9","5","6","1") = "8"
    & skf18("3","5","8","9","5","7","1") = "8"
    & skf18("3","5","8","9","5","8","1") = "8"
    & skf18("3","5","8","9","5","9","1") = "8"
    & skf18("3","5","8","9","5","10","1") = "9"
    & skf18("3","5","8","9","6","1","1") = "8"
    & skf18("3","5","8","9","6","2","1") = "8"
    & skf18("3","5","8","9","6","3","1") = "8"
    & skf18("3","5","8","9","6","4","1") = "8"
    & skf18("3","5","8","9","6","5","1") = "8"
    & skf18("3","5","8","9","6","6","1") = "8"
    & skf18("3","5","8","9","6","7","1") = "8"
    & skf18("3","5","8","9","6","8","1") = "8"
    & skf18("3","5","8","9","6","9","1") = "8"
    & skf18("3","5","8","9","6","10","1") = "9"
    & skf18("3","5","8","9","7","1","1") = "8"
    & skf18("3","5","8","9","7","2","1") = "8"
    & skf18("3","5","8","9","7","3","1") = "8"
    & skf18("3","5","8","9","7","4","1") = "8"
    & skf18("3","5","8","9","7","5","1") = "8"
    & skf18("3","5","8","9","7","6","1") = "8"
    & skf18("3","5","8","9","7","7","1") = "8"
    & skf18("3","5","8","9","7","8","1") = "8"
    & skf18("3","5","8","9","7","9","1") = "8"
    & skf18("3","5","8","9","7","10","1") = "9"
    & skf18("3","5","8","9","8","1","1") = "8"
    & skf18("3","5","8","9","8","2","1") = "8"
    & skf18("3","5","8","9","8","3","1") = "8"
    & skf18("3","5","8","9","8","4","1") = "8"
    & skf18("3","5","8","9","8","5","1") = "8"
    & skf18("3","5","8","9","8","6","1") = "8"
    & skf18("3","5","8","9","8","7","1") = "8"
    & skf18("3","5","8","9","8","8","1") = "8"
    & skf18("3","5","8","9","8","9","1") = "8"
    & skf18("3","5","8","9","8","10","1") = "9"
    & skf18("3","5","8","9","9","1","1") = "8"
    & skf18("3","5","8","9","9","2","1") = "8"
    & skf18("3","5","8","9","9","3","1") = "8"
    & skf18("3","5","8","9","9","4","1") = "8"
    & skf18("3","5","8","9","9","5","1") = "8"
    & skf18("3","5","8","9","9","6","1") = "8"
    & skf18("3","5","8","9","9","7","1") = "8"
    & skf18("3","5","8","9","9","8","1") = "8"
    & skf18("3","5","8","9","9","9","1") = "8"
    & skf18("3","5","8","9","9","10","1") = "9"
    & skf18("3","5","8","9","10","1","1") = "9"
    & skf18("3","5","8","9","10","2","1") = "9"
    & skf18("3","5","8","9","10","3","1") = "9"
    & skf18("3","5","8","9","10","4","1") = "9"
    & skf18("3","5","8","9","10","5","1") = "9"
    & skf18("3","5","8","9","10","6","1") = "9"
    & skf18("3","5","8","9","10","7","1") = "9"
    & skf18("3","5","8","9","10","8","1") = "9"
    & skf18("3","5","8","9","10","9","1") = "9"
    & skf18("3","5","8","9","10","10","1") = "9"
    & skf18("3","5","8","10","1","1","1") = "9"
    & skf18("3","5","8","10","1","2","1") = "9"
    & skf18("3","5","8","10","1","3","1") = "9"
    & skf18("3","5","8","10","1","4","1") = "9"
    & skf18("3","5","8","10","1","5","1") = "9"
    & skf18("3","5","8","10","1","6","1") = "9"
    & skf18("3","5","8","10","1","7","1") = "9"
    & skf18("3","5","8","10","1","8","1") = "9"
    & skf18("3","5","8","10","1","9","1") = "9"
    & skf18("3","5","8","10","1","10","1") = "9"
    & skf18("3","5","8","10","2","1","1") = "9"
    & skf18("3","5","8","10","2","2","1") = "9"
    & skf18("3","5","8","10","2","3","1") = "9"
    & skf18("3","5","8","10","2","4","1") = "9"
    & skf18("3","5","8","10","2","5","1") = "9"
    & skf18("3","5","8","10","2","6","1") = "9"
    & skf18("3","5","8","10","2","7","1") = "9"
    & skf18("3","5","8","10","2","8","1") = "9"
    & skf18("3","5","8","10","2","9","1") = "9"
    & skf18("3","5","8","10","2","10","1") = "9"
    & skf18("3","5","8","10","3","1","1") = "9"
    & skf18("3","5","8","10","3","2","1") = "9"
    & skf18("3","5","8","10","3","3","1") = "9"
    & skf18("3","5","8","10","3","4","1") = "9"
    & skf18("3","5","8","10","3","5","1") = "9"
    & skf18("3","5","8","10","3","6","1") = "9"
    & skf18("3","5","8","10","3","7","1") = "9"
    & skf18("3","5","8","10","3","8","1") = "9"
    & skf18("3","5","8","10","3","9","1") = "9"
    & skf18("3","5","8","10","3","10","1") = "9"
    & skf18("3","5","8","10","4","1","1") = "9"
    & skf18("3","5","8","10","4","2","1") = "9"
    & skf18("3","5","8","10","4","3","1") = "9"
    & skf18("3","5","8","10","4","4","1") = "9"
    & skf18("3","5","8","10","4","5","1") = "9"
    & skf18("3","5","8","10","4","6","1") = "9"
    & skf18("3","5","8","10","4","7","1") = "9"
    & skf18("3","5","8","10","4","8","1") = "9"
    & skf18("3","5","8","10","4","9","1") = "9"
    & skf18("3","5","8","10","4","10","1") = "9"
    & skf18("3","5","8","10","5","1","1") = "9"
    & skf18("3","5","8","10","5","2","1") = "9"
    & skf18("3","5","8","10","5","3","1") = "9"
    & skf18("3","5","8","10","5","4","1") = "9"
    & skf18("3","5","8","10","5","5","1") = "9"
    & skf18("3","5","8","10","5","6","1") = "9"
    & skf18("3","5","8","10","5","7","1") = "9"
    & skf18("3","5","8","10","5","8","1") = "9"
    & skf18("3","5","8","10","5","9","1") = "9"
    & skf18("3","5","8","10","5","10","1") = "9"
    & skf18("3","5","8","10","6","1","1") = "9"
    & skf18("3","5","8","10","6","2","1") = "9"
    & skf18("3","5","8","10","6","3","1") = "9"
    & skf18("3","5","8","10","6","4","1") = "9"
    & skf18("3","5","8","10","6","5","1") = "9"
    & skf18("3","5","8","10","6","6","1") = "9"
    & skf18("3","5","8","10","6","7","1") = "9"
    & skf18("3","5","8","10","6","8","1") = "9"
    & skf18("3","5","8","10","6","9","1") = "9"
    & skf18("3","5","8","10","6","10","1") = "9"
    & skf18("3","5","8","10","7","1","1") = "9"
    & skf18("3","5","8","10","7","2","1") = "9"
    & skf18("3","5","8","10","7","3","1") = "9"
    & skf18("3","5","8","10","7","4","1") = "9"
    & skf18("3","5","8","10","7","5","1") = "9"
    & skf18("3","5","8","10","7","6","1") = "9"
    & skf18("3","5","8","10","7","7","1") = "9"
    & skf18("3","5","8","10","7","8","1") = "9"
    & skf18("3","5","8","10","7","9","1") = "9"
    & skf18("3","5","8","10","7","10","1") = "9"
    & skf18("3","5","8","10","8","1","1") = "9"
    & skf18("3","5","8","10","8","2","1") = "9"
    & skf18("3","5","8","10","8","3","1") = "9"
    & skf18("3","5","8","10","8","4","1") = "9"
    & skf18("3","5","8","10","8","5","1") = "9"
    & skf18("3","5","8","10","8","6","1") = "9"
    & skf18("3","5","8","10","8","7","1") = "9"
    & skf18("3","5","8","10","8","8","1") = "9"
    & skf18("3","5","8","10","8","9","1") = "9"
    & skf18("3","5","8","10","8","10","1") = "9"
    & skf18("3","5","8","10","9","1","1") = "9"
    & skf18("3","5","8","10","9","2","1") = "9"
    & skf18("3","5","8","10","9","3","1") = "9"
    & skf18("3","5","8","10","9","4","1") = "9"
    & skf18("3","5","8","10","9","5","1") = "9"
    & skf18("3","5","8","10","9","6","1") = "9"
    & skf18("3","5","8","10","9","7","1") = "9"
    & skf18("3","5","8","10","9","8","1") = "9"
    & skf18("3","5","8","10","9","9","1") = "9"
    & skf18("3","5","8","10","9","10","1") = "9"
    & skf18("3","5","8","10","10","1","1") = "9"
    & skf18("3","5","8","10","10","2","1") = "9"
    & skf18("3","5","8","10","10","3","1") = "9"
    & skf18("3","5","8","10","10","4","1") = "9"
    & skf18("3","5","8","10","10","5","1") = "9"
    & skf18("3","5","8","10","10","6","1") = "9"
    & skf18("3","5","8","10","10","7","1") = "9"
    & skf18("3","5","8","10","10","8","1") = "9"
    & skf18("3","5","8","10","10","9","1") = "9"
    & skf18("3","5","8","10","10","10","1") = "9"
    & skf18("3","5","9","1","1","1","1") = "8"
    & skf18("3","5","9","1","1","2","1") = "8"
    & skf18("3","5","9","1","1","3","1") = "8"
    & skf18("3","5","9","1","1","4","1") = "8"
    & skf18("3","5","9","1","1","5","1") = "8"
    & skf18("3","5","9","1","1","6","1") = "8"
    & skf18("3","5","9","1","1","7","1") = "8"
    & skf18("3","5","9","1","1","8","1") = "8"
    & skf18("3","5","9","1","1","9","1") = "8"
    & skf18("3","5","9","1","1","10","1") = "9"
    & skf18("3","5","9","1","2","1","1") = "8"
    & skf18("3","5","9","1","2","2","1") = "8"
    & skf18("3","5","9","1","2","3","1") = "8"
    & skf18("3","5","9","1","2","4","1") = "8"
    & skf18("3","5","9","1","2","5","1") = "8"
    & skf18("3","5","9","1","2","6","1") = "8"
    & skf18("3","5","9","1","2","7","1") = "8"
    & skf18("3","5","9","1","2","8","1") = "8"
    & skf18("3","5","9","1","2","9","1") = "8"
    & skf18("3","5","9","1","2","10","1") = "9"
    & skf18("3","5","9","1","3","1","1") = "8"
    & skf18("3","5","9","1","3","2","1") = "8"
    & skf18("3","5","9","1","3","3","1") = "8"
    & skf18("3","5","9","1","3","4","1") = "8"
    & skf18("3","5","9","1","3","5","1") = "8"
    & skf18("3","5","9","1","3","6","1") = "8"
    & skf18("3","5","9","1","3","7","1") = "8"
    & skf18("3","5","9","1","3","8","1") = "8"
    & skf18("3","5","9","1","3","9","1") = "8"
    & skf18("3","5","9","1","3","10","1") = "9"
    & skf18("3","5","9","1","4","1","1") = "8"
    & skf18("3","5","9","1","4","2","1") = "8"
    & skf18("3","5","9","1","4","3","1") = "8"
    & skf18("3","5","9","1","4","4","1") = "8"
    & skf18("3","5","9","1","4","5","1") = "8"
    & skf18("3","5","9","1","4","6","1") = "8"
    & skf18("3","5","9","1","4","7","1") = "8"
    & skf18("3","5","9","1","4","8","1") = "8"
    & skf18("3","5","9","1","4","9","1") = "8"
    & skf18("3","5","9","1","4","10","1") = "9"
    & skf18("3","5","9","1","5","1","1") = "8"
    & skf18("3","5","9","1","5","2","1") = "8"
    & skf18("3","5","9","1","5","3","1") = "8"
    & skf18("3","5","9","1","5","4","1") = "8"
    & skf18("3","5","9","1","5","5","1") = "8"
    & skf18("3","5","9","1","5","6","1") = "8"
    & skf18("3","5","9","1","5","7","1") = "8"
    & skf18("3","5","9","1","5","8","1") = "8"
    & skf18("3","5","9","1","5","9","1") = "8"
    & skf18("3","5","9","1","5","10","1") = "9"
    & skf18("3","5","9","1","6","1","1") = "8"
    & skf18("3","5","9","1","6","2","1") = "8"
    & skf18("3","5","9","1","6","3","1") = "8"
    & skf18("3","5","9","1","6","4","1") = "8"
    & skf18("3","5","9","1","6","5","1") = "8"
    & skf18("3","5","9","1","6","6","1") = "8"
    & skf18("3","5","9","1","6","7","1") = "8"
    & skf18("3","5","9","1","6","8","1") = "8"
    & skf18("3","5","9","1","6","9","1") = "8"
    & skf18("3","5","9","1","6","10","1") = "9"
    & skf18("3","5","9","1","7","1","1") = "8"
    & skf18("3","5","9","1","7","2","1") = "8"
    & skf18("3","5","9","1","7","3","1") = "8"
    & skf18("3","5","9","1","7","4","1") = "8"
    & skf18("3","5","9","1","7","5","1") = "8"
    & skf18("3","5","9","1","7","6","1") = "8"
    & skf18("3","5","9","1","7","7","1") = "8"
    & skf18("3","5","9","1","7","8","1") = "8"
    & skf18("3","5","9","1","7","9","1") = "8"
    & skf18("3","5","9","1","7","10","1") = "9"
    & skf18("3","5","9","1","8","1","1") = "8"
    & skf18("3","5","9","1","8","2","1") = "8"
    & skf18("3","5","9","1","8","3","1") = "8"
    & skf18("3","5","9","1","8","4","1") = "8"
    & skf18("3","5","9","1","8","5","1") = "8"
    & skf18("3","5","9","1","8","6","1") = "8"
    & skf18("3","5","9","1","8","7","1") = "8"
    & skf18("3","5","9","1","8","8","1") = "8"
    & skf18("3","5","9","1","8","9","1") = "8"
    & skf18("3","5","9","1","8","10","1") = "9"
    & skf18("3","5","9","1","9","1","1") = "8"
    & skf18("3","5","9","1","9","2","1") = "8"
    & skf18("3","5","9","1","9","3","1") = "8"
    & skf18("3","5","9","1","9","4","1") = "8"
    & skf18("3","5","9","1","9","5","1") = "8"
    & skf18("3","5","9","1","9","6","1") = "8"
    & skf18("3","5","9","1","9","7","1") = "8"
    & skf18("3","5","9","1","9","8","1") = "8"
    & skf18("3","5","9","1","9","9","1") = "8"
    & skf18("3","5","9","1","9","10","1") = "9"
    & skf18("3","5","9","1","10","1","1") = "9"
    & skf18("3","5","9","1","10","2","1") = "9"
    & skf18("3","5","9","1","10","3","1") = "9"
    & skf18("3","5","9","1","10","4","1") = "9"
    & skf18("3","5","9","1","10","5","1") = "9"
    & skf18("3","5","9","1","10","6","1") = "9"
    & skf18("3","5","9","1","10","7","1") = "9"
    & skf18("3","5","9","1","10","8","1") = "9"
    & skf18("3","5","9","1","10","9","1") = "9"
    & skf18("3","5","9","1","10","10","1") = "9"
    & skf18("3","5","9","2","1","1","1") = "8"
    & skf18("3","5","9","2","1","2","1") = "8"
    & skf18("3","5","9","2","1","3","1") = "8"
    & skf18("3","5","9","2","1","4","1") = "8"
    & skf18("3","5","9","2","1","5","1") = "8"
    & skf18("3","5","9","2","1","6","1") = "8"
    & skf18("3","5","9","2","1","7","1") = "8"
    & skf18("3","5","9","2","1","8","1") = "8"
    & skf18("3","5","9","2","1","9","1") = "8"
    & skf18("3","5","9","2","1","10","1") = "9"
    & skf18("3","5","9","2","2","1","1") = "8"
    & skf18("3","5","9","2","2","2","1") = "8"
    & skf18("3","5","9","2","2","3","1") = "8"
    & skf18("3","5","9","2","2","4","1") = "8"
    & skf18("3","5","9","2","2","5","1") = "8"
    & skf18("3","5","9","2","2","6","1") = "8"
    & skf18("3","5","9","2","2","7","1") = "8"
    & skf18("3","5","9","2","2","8","1") = "8"
    & skf18("3","5","9","2","2","9","1") = "8"
    & skf18("3","5","9","2","2","10","1") = "9"
    & skf18("3","5","9","2","3","1","1") = "8"
    & skf18("3","5","9","2","3","2","1") = "8"
    & skf18("3","5","9","2","3","3","1") = "8"
    & skf18("3","5","9","2","3","4","1") = "8"
    & skf18("3","5","9","2","3","5","1") = "8"
    & skf18("3","5","9","2","3","6","1") = "8"
    & skf18("3","5","9","2","3","7","1") = "8"
    & skf18("3","5","9","2","3","8","1") = "8"
    & skf18("3","5","9","2","3","9","1") = "8"
    & skf18("3","5","9","2","3","10","1") = "9"
    & skf18("3","5","9","2","4","1","1") = "8"
    & skf18("3","5","9","2","4","2","1") = "8"
    & skf18("3","5","9","2","4","3","1") = "8"
    & skf18("3","5","9","2","4","4","1") = "8"
    & skf18("3","5","9","2","4","5","1") = "8"
    & skf18("3","5","9","2","4","6","1") = "8"
    & skf18("3","5","9","2","4","7","1") = "8"
    & skf18("3","5","9","2","4","8","1") = "8"
    & skf18("3","5","9","2","4","9","1") = "8"
    & skf18("3","5","9","2","4","10","1") = "9"
    & skf18("3","5","9","2","5","1","1") = "8"
    & skf18("3","5","9","2","5","2","1") = "8"
    & skf18("3","5","9","2","5","3","1") = "8"
    & skf18("3","5","9","2","5","4","1") = "8"
    & skf18("3","5","9","2","5","5","1") = "8"
    & skf18("3","5","9","2","5","6","1") = "8"
    & skf18("3","5","9","2","5","7","1") = "8"
    & skf18("3","5","9","2","5","8","1") = "8"
    & skf18("3","5","9","2","5","9","1") = "8"
    & skf18("3","5","9","2","5","10","1") = "9"
    & skf18("3","5","9","2","6","1","1") = "8"
    & skf18("3","5","9","2","6","2","1") = "8"
    & skf18("3","5","9","2","6","3","1") = "8"
    & skf18("3","5","9","2","6","4","1") = "8"
    & skf18("3","5","9","2","6","5","1") = "8"
    & skf18("3","5","9","2","6","6","1") = "8"
    & skf18("3","5","9","2","6","7","1") = "8"
    & skf18("3","5","9","2","6","8","1") = "8"
    & skf18("3","5","9","2","6","9","1") = "8"
    & skf18("3","5","9","2","6","10","1") = "9"
    & skf18("3","5","9","2","7","1","1") = "8"
    & skf18("3","5","9","2","7","2","1") = "8"
    & skf18("3","5","9","2","7","3","1") = "8"
    & skf18("3","5","9","2","7","4","1") = "8"
    & skf18("3","5","9","2","7","5","1") = "8"
    & skf18("3","5","9","2","7","6","1") = "8"
    & skf18("3","5","9","2","7","7","1") = "8"
    & skf18("3","5","9","2","7","8","1") = "8"
    & skf18("3","5","9","2","7","9","1") = "8"
    & skf18("3","5","9","2","7","10","1") = "9"
    & skf18("3","5","9","2","8","1","1") = "8"
    & skf18("3","5","9","2","8","2","1") = "8"
    & skf18("3","5","9","2","8","3","1") = "8"
    & skf18("3","5","9","2","8","4","1") = "8"
    & skf18("3","5","9","2","8","5","1") = "8"
    & skf18("3","5","9","2","8","6","1") = "8"
    & skf18("3","5","9","2","8","7","1") = "8"
    & skf18("3","5","9","2","8","8","1") = "8"
    & skf18("3","5","9","2","8","9","1") = "8"
    & skf18("3","5","9","2","8","10","1") = "9"
    & skf18("3","5","9","2","9","1","1") = "8"
    & skf18("3","5","9","2","9","2","1") = "8"
    & skf18("3","5","9","2","9","3","1") = "8"
    & skf18("3","5","9","2","9","4","1") = "8"
    & skf18("3","5","9","2","9","5","1") = "8"
    & skf18("3","5","9","2","9","6","1") = "8"
    & skf18("3","5","9","2","9","7","1") = "8"
    & skf18("3","5","9","2","9","8","1") = "8"
    & skf18("3","5","9","2","9","9","1") = "8"
    & skf18("3","5","9","2","9","10","1") = "9"
    & skf18("3","5","9","2","10","1","1") = "9"
    & skf18("3","5","9","2","10","2","1") = "9"
    & skf18("3","5","9","2","10","3","1") = "9"
    & skf18("3","5","9","2","10","4","1") = "9"
    & skf18("3","5","9","2","10","5","1") = "9"
    & skf18("3","5","9","2","10","6","1") = "9"
    & skf18("3","5","9","2","10","7","1") = "9"
    & skf18("3","5","9","2","10","8","1") = "9"
    & skf18("3","5","9","2","10","9","1") = "9"
    & skf18("3","5","9","2","10","10","1") = "9"
    & skf18("3","5","9","3","1","1","1") = "8"
    & skf18("3","5","9","3","1","2","1") = "8"
    & skf18("3","5","9","3","1","3","1") = "8"
    & skf18("3","5","9","3","1","4","1") = "8"
    & skf18("3","5","9","3","1","5","1") = "8"
    & skf18("3","5","9","3","1","6","1") = "8"
    & skf18("3","5","9","3","1","7","1") = "8"
    & skf18("3","5","9","3","1","8","1") = "8"
    & skf18("3","5","9","3","1","9","1") = "8"
    & skf18("3","5","9","3","1","10","1") = "9"
    & skf18("3","5","9","3","2","1","1") = "8"
    & skf18("3","5","9","3","2","2","1") = "8"
    & skf18("3","5","9","3","2","3","1") = "8"
    & skf18("3","5","9","3","2","4","1") = "8"
    & skf18("3","5","9","3","2","5","1") = "8"
    & skf18("3","5","9","3","2","6","1") = "8"
    & skf18("3","5","9","3","2","7","1") = "8"
    & skf18("3","5","9","3","2","8","1") = "8"
    & skf18("3","5","9","3","2","9","1") = "8"
    & skf18("3","5","9","3","2","10","1") = "9"
    & skf18("3","5","9","3","3","1","1") = "8"
    & skf18("3","5","9","3","3","2","1") = "8"
    & skf18("3","5","9","3","3","3","1") = "8"
    & skf18("3","5","9","3","3","4","1") = "8"
    & skf18("3","5","9","3","3","5","1") = "8"
    & skf18("3","5","9","3","3","6","1") = "8"
    & skf18("3","5","9","3","3","7","1") = "8"
    & skf18("3","5","9","3","3","8","1") = "8"
    & skf18("3","5","9","3","3","9","1") = "8"
    & skf18("3","5","9","3","3","10","1") = "9"
    & skf18("3","5","9","3","4","1","1") = "8"
    & skf18("3","5","9","3","4","2","1") = "8"
    & skf18("3","5","9","3","4","3","1") = "8"
    & skf18("3","5","9","3","4","4","1") = "8"
    & skf18("3","5","9","3","4","5","1") = "8"
    & skf18("3","5","9","3","4","6","1") = "8"
    & skf18("3","5","9","3","4","7","1") = "8"
    & skf18("3","5","9","3","4","8","1") = "8"
    & skf18("3","5","9","3","4","9","1") = "8"
    & skf18("3","5","9","3","4","10","1") = "9"
    & skf18("3","5","9","3","5","1","1") = "8"
    & skf18("3","5","9","3","5","2","1") = "8"
    & skf18("3","5","9","3","5","3","1") = "8"
    & skf18("3","5","9","3","5","4","1") = "8"
    & skf18("3","5","9","3","5","5","1") = "8"
    & skf18("3","5","9","3","5","6","1") = "8"
    & skf18("3","5","9","3","5","7","1") = "8"
    & skf18("3","5","9","3","5","8","1") = "8"
    & skf18("3","5","9","3","5","9","1") = "8"
    & skf18("3","5","9","3","5","10","1") = "9"
    & skf18("3","5","9","3","6","1","1") = "8"
    & skf18("3","5","9","3","6","2","1") = "8"
    & skf18("3","5","9","3","6","3","1") = "8"
    & skf18("3","5","9","3","6","4","1") = "8"
    & skf18("3","5","9","3","6","5","1") = "8"
    & skf18("3","5","9","3","6","6","1") = "8"
    & skf18("3","5","9","3","6","7","1") = "8"
    & skf18("3","5","9","3","6","8","1") = "8"
    & skf18("3","5","9","3","6","9","1") = "8"
    & skf18("3","5","9","3","6","10","1") = "9"
    & skf18("3","5","9","3","7","1","1") = "8"
    & skf18("3","5","9","3","7","2","1") = "8"
    & skf18("3","5","9","3","7","3","1") = "8"
    & skf18("3","5","9","3","7","4","1") = "8"
    & skf18("3","5","9","3","7","5","1") = "8"
    & skf18("3","5","9","3","7","6","1") = "8"
    & skf18("3","5","9","3","7","7","1") = "8"
    & skf18("3","5","9","3","7","8","1") = "8"
    & skf18("3","5","9","3","7","9","1") = "8"
    & skf18("3","5","9","3","7","10","1") = "9"
    & skf18("3","5","9","3","8","1","1") = "8"
    & skf18("3","5","9","3","8","2","1") = "8"
    & skf18("3","5","9","3","8","3","1") = "8"
    & skf18("3","5","9","3","8","4","1") = "8"
    & skf18("3","5","9","3","8","5","1") = "8"
    & skf18("3","5","9","3","8","6","1") = "8"
    & skf18("3","5","9","3","8","7","1") = "8"
    & skf18("3","5","9","3","8","8","1") = "8"
    & skf18("3","5","9","3","8","9","1") = "8"
    & skf18("3","5","9","3","8","10","1") = "9"
    & skf18("3","5","9","3","9","1","1") = "8"
    & skf18("3","5","9","3","9","2","1") = "8"
    & skf18("3","5","9","3","9","3","1") = "8"
    & skf18("3","5","9","3","9","4","1") = "8"
    & skf18("3","5","9","3","9","5","1") = "8"
    & skf18("3","5","9","3","9","6","1") = "8"
    & skf18("3","5","9","3","9","7","1") = "8"
    & skf18("3","5","9","3","9","8","1") = "8"
    & skf18("3","5","9","3","9","9","1") = "8"
    & skf18("3","5","9","3","9","10","1") = "9"
    & skf18("3","5","9","3","10","1","1") = "9"
    & skf18("3","5","9","3","10","2","1") = "9"
    & skf18("3","5","9","3","10","3","1") = "9"
    & skf18("3","5","9","3","10","4","1") = "9"
    & skf18("3","5","9","3","10","5","1") = "9"
    & skf18("3","5","9","3","10","6","1") = "9"
    & skf18("3","5","9","3","10","7","1") = "9"
    & skf18("3","5","9","3","10","8","1") = "9"
    & skf18("3","5","9","3","10","9","1") = "9"
    & skf18("3","5","9","3","10","10","1") = "9"
    & skf18("3","5","9","4","1","1","1") = "8"
    & skf18("3","5","9","4","1","2","1") = "8"
    & skf18("3","5","9","4","1","3","1") = "8"
    & skf18("3","5","9","4","1","4","1") = "8"
    & skf18("3","5","9","4","1","5","1") = "8"
    & skf18("3","5","9","4","1","6","1") = "8"
    & skf18("3","5","9","4","1","7","1") = "8"
    & skf18("3","5","9","4","1","8","1") = "8"
    & skf18("3","5","9","4","1","9","1") = "8"
    & skf18("3","5","9","4","1","10","1") = "9"
    & skf18("3","5","9","4","2","1","1") = "8"
    & skf18("3","5","9","4","2","2","1") = "8"
    & skf18("3","5","9","4","2","3","1") = "8"
    & skf18("3","5","9","4","2","4","1") = "8"
    & skf18("3","5","9","4","2","5","1") = "8"
    & skf18("3","5","9","4","2","6","1") = "8"
    & skf18("3","5","9","4","2","7","1") = "8"
    & skf18("3","5","9","4","2","8","1") = "8"
    & skf18("3","5","9","4","2","9","1") = "8"
    & skf18("3","5","9","4","2","10","1") = "9"
    & skf18("3","5","9","4","3","1","1") = "8"
    & skf18("3","5","9","4","3","2","1") = "8"
    & skf18("3","5","9","4","3","3","1") = "8"
    & skf18("3","5","9","4","3","4","1") = "8"
    & skf18("3","5","9","4","3","5","1") = "8"
    & skf18("3","5","9","4","3","6","1") = "8"
    & skf18("3","5","9","4","3","7","1") = "8"
    & skf18("3","5","9","4","3","8","1") = "8"
    & skf18("3","5","9","4","3","9","1") = "8"
    & skf18("3","5","9","4","3","10","1") = "9"
    & skf18("3","5","9","4","4","1","1") = "8"
    & skf18("3","5","9","4","4","2","1") = "8"
    & skf18("3","5","9","4","4","3","1") = "8"
    & skf18("3","5","9","4","4","4","1") = "8"
    & skf18("3","5","9","4","4","5","1") = "8"
    & skf18("3","5","9","4","4","6","1") = "8"
    & skf18("3","5","9","4","4","7","1") = "8"
    & skf18("3","5","9","4","4","8","1") = "8"
    & skf18("3","5","9","4","4","9","1") = "8"
    & skf18("3","5","9","4","4","10","1") = "9"
    & skf18("3","5","9","4","5","1","1") = "8"
    & skf18("3","5","9","4","5","2","1") = "8"
    & skf18("3","5","9","4","5","3","1") = "8"
    & skf18("3","5","9","4","5","4","1") = "8"
    & skf18("3","5","9","4","5","5","1") = "8"
    & skf18("3","5","9","4","5","6","1") = "8"
    & skf18("3","5","9","4","5","7","1") = "8"
    & skf18("3","5","9","4","5","8","1") = "8"
    & skf18("3","5","9","4","5","9","1") = "8"
    & skf18("3","5","9","4","5","10","1") = "9"
    & skf18("3","5","9","4","6","1","1") = "8"
    & skf18("3","5","9","4","6","2","1") = "8"
    & skf18("3","5","9","4","6","3","1") = "8"
    & skf18("3","5","9","4","6","4","1") = "8"
    & skf18("3","5","9","4","6","5","1") = "8"
    & skf18("3","5","9","4","6","6","1") = "8"
    & skf18("3","5","9","4","6","7","1") = "8"
    & skf18("3","5","9","4","6","8","1") = "8"
    & skf18("3","5","9","4","6","9","1") = "8"
    & skf18("3","5","9","4","6","10","1") = "9"
    & skf18("3","5","9","4","7","1","1") = "8"
    & skf18("3","5","9","4","7","2","1") = "8"
    & skf18("3","5","9","4","7","3","1") = "8"
    & skf18("3","5","9","4","7","4","1") = "8"
    & skf18("3","5","9","4","7","5","1") = "8"
    & skf18("3","5","9","4","7","6","1") = "8"
    & skf18("3","5","9","4","7","7","1") = "8"
    & skf18("3","5","9","4","7","8","1") = "8"
    & skf18("3","5","9","4","7","9","1") = "8"
    & skf18("3","5","9","4","7","10","1") = "9"
    & skf18("3","5","9","4","8","1","1") = "8"
    & skf18("3","5","9","4","8","2","1") = "8"
    & skf18("3","5","9","4","8","3","1") = "8"
    & skf18("3","5","9","4","8","4","1") = "8"
    & skf18("3","5","9","4","8","5","1") = "8"
    & skf18("3","5","9","4","8","6","1") = "8"
    & skf18("3","5","9","4","8","7","1") = "8"
    & skf18("3","5","9","4","8","8","1") = "8"
    & skf18("3","5","9","4","8","9","1") = "8"
    & skf18("3","5","9","4","8","10","1") = "9"
    & skf18("3","5","9","4","9","1","1") = "8"
    & skf18("3","5","9","4","9","2","1") = "8"
    & skf18("3","5","9","4","9","3","1") = "8"
    & skf18("3","5","9","4","9","4","1") = "8"
    & skf18("3","5","9","4","9","5","1") = "8"
    & skf18("3","5","9","4","9","6","1") = "8"
    & skf18("3","5","9","4","9","7","1") = "8"
    & skf18("3","5","9","4","9","8","1") = "8"
    & skf18("3","5","9","4","9","9","1") = "8"
    & skf18("3","5","9","4","9","10","1") = "9"
    & skf18("3","5","9","4","10","1","1") = "9"
    & skf18("3","5","9","4","10","2","1") = "9"
    & skf18("3","5","9","4","10","3","1") = "9"
    & skf18("3","5","9","4","10","4","1") = "9"
    & skf18("3","5","9","4","10","5","1") = "9"
    & skf18("3","5","9","4","10","6","1") = "9"
    & skf18("3","5","9","4","10","7","1") = "9"
    & skf18("3","5","9","4","10","8","1") = "9"
    & skf18("3","5","9","4","10","9","1") = "9"
    & skf18("3","5","9","4","10","10","1") = "9"
    & skf18("3","5","9","5","1","1","1") = "8"
    & skf18("3","5","9","5","1","2","1") = "8"
    & skf18("3","5","9","5","1","3","1") = "8"
    & skf18("3","5","9","5","1","4","1") = "8"
    & skf18("3","5","9","5","1","5","1") = "8"
    & skf18("3","5","9","5","1","6","1") = "8"
    & skf18("3","5","9","5","1","7","1") = "8"
    & skf18("3","5","9","5","1","8","1") = "8"
    & skf18("3","5","9","5","1","9","1") = "8"
    & skf18("3","5","9","5","1","10","1") = "9"
    & skf18("3","5","9","5","2","1","1") = "8"
    & skf18("3","5","9","5","2","2","1") = "8"
    & skf18("3","5","9","5","2","3","1") = "8"
    & skf18("3","5","9","5","2","4","1") = "8"
    & skf18("3","5","9","5","2","5","1") = "8"
    & skf18("3","5","9","5","2","6","1") = "8"
    & skf18("3","5","9","5","2","7","1") = "8"
    & skf18("3","5","9","5","2","8","1") = "8"
    & skf18("3","5","9","5","2","9","1") = "8"
    & skf18("3","5","9","5","2","10","1") = "9"
    & skf18("3","5","9","5","3","1","1") = "8"
    & skf18("3","5","9","5","3","2","1") = "8"
    & skf18("3","5","9","5","3","3","1") = "8"
    & skf18("3","5","9","5","3","4","1") = "8"
    & skf18("3","5","9","5","3","5","1") = "8"
    & skf18("3","5","9","5","3","6","1") = "8"
    & skf18("3","5","9","5","3","7","1") = "8"
    & skf18("3","5","9","5","3","8","1") = "8"
    & skf18("3","5","9","5","3","9","1") = "8"
    & skf18("3","5","9","5","3","10","1") = "9"
    & skf18("3","5","9","5","4","1","1") = "8"
    & skf18("3","5","9","5","4","2","1") = "8"
    & skf18("3","5","9","5","4","3","1") = "8"
    & skf18("3","5","9","5","4","4","1") = "8"
    & skf18("3","5","9","5","4","5","1") = "8"
    & skf18("3","5","9","5","4","6","1") = "8"
    & skf18("3","5","9","5","4","7","1") = "8"
    & skf18("3","5","9","5","4","8","1") = "8"
    & skf18("3","5","9","5","4","9","1") = "8"
    & skf18("3","5","9","5","4","10","1") = "9"
    & skf18("3","5","9","5","5","1","1") = "8"
    & skf18("3","5","9","5","5","2","1") = "8"
    & skf18("3","5","9","5","5","3","1") = "8"
    & skf18("3","5","9","5","5","4","1") = "8"
    & skf18("3","5","9","5","5","5","1") = "8"
    & skf18("3","5","9","5","5","6","1") = "8"
    & skf18("3","5","9","5","5","7","1") = "8"
    & skf18("3","5","9","5","5","8","1") = "8"
    & skf18("3","5","9","5","5","9","1") = "8"
    & skf18("3","5","9","5","5","10","1") = "9"
    & skf18("3","5","9","5","6","1","1") = "8"
    & skf18("3","5","9","5","6","2","1") = "8"
    & skf18("3","5","9","5","6","3","1") = "8"
    & skf18("3","5","9","5","6","4","1") = "8"
    & skf18("3","5","9","5","6","5","1") = "8"
    & skf18("3","5","9","5","6","6","1") = "8"
    & skf18("3","5","9","5","6","7","1") = "8"
    & skf18("3","5","9","5","6","8","1") = "8"
    & skf18("3","5","9","5","6","9","1") = "8"
    & skf18("3","5","9","5","6","10","1") = "9"
    & skf18("3","5","9","5","7","1","1") = "8"
    & skf18("3","5","9","5","7","2","1") = "8"
    & skf18("3","5","9","5","7","3","1") = "8"
    & skf18("3","5","9","5","7","4","1") = "8"
    & skf18("3","5","9","5","7","5","1") = "8"
    & skf18("3","5","9","5","7","6","1") = "8"
    & skf18("3","5","9","5","7","7","1") = "8"
    & skf18("3","5","9","5","7","8","1") = "8"
    & skf18("3","5","9","5","7","9","1") = "8"
    & skf18("3","5","9","5","7","10","1") = "9"
    & skf18("3","5","9","5","8","1","1") = "8"
    & skf18("3","5","9","5","8","2","1") = "8"
    & skf18("3","5","9","5","8","3","1") = "8"
    & skf18("3","5","9","5","8","4","1") = "8"
    & skf18("3","5","9","5","8","5","1") = "8"
    & skf18("3","5","9","5","8","6","1") = "8"
    & skf18("3","5","9","5","8","7","1") = "8"
    & skf18("3","5","9","5","8","8","1") = "8"
    & skf18("3","5","9","5","8","9","1") = "8"
    & skf18("3","5","9","5","8","10","1") = "9"
    & skf18("3","5","9","5","9","1","1") = "8"
    & skf18("3","5","9","5","9","2","1") = "8"
    & skf18("3","5","9","5","9","3","1") = "8"
    & skf18("3","5","9","5","9","4","1") = "8"
    & skf18("3","5","9","5","9","5","1") = "8"
    & skf18("3","5","9","5","9","6","1") = "8"
    & skf18("3","5","9","5","9","7","1") = "8"
    & skf18("3","5","9","5","9","8","1") = "8"
    & skf18("3","5","9","5","9","9","1") = "8"
    & skf18("3","5","9","5","9","10","1") = "9"
    & skf18("3","5","9","5","10","1","1") = "9"
    & skf18("3","5","9","5","10","2","1") = "9"
    & skf18("3","5","9","5","10","3","1") = "9"
    & skf18("3","5","9","5","10","4","1") = "9"
    & skf18("3","5","9","5","10","5","1") = "9"
    & skf18("3","5","9","5","10","6","1") = "9"
    & skf18("3","5","9","5","10","7","1") = "9"
    & skf18("3","5","9","5","10","8","1") = "9"
    & skf18("3","5","9","5","10","9","1") = "9"
    & skf18("3","5","9","5","10","10","1") = "9"
    & skf18("3","5","9","6","1","1","1") = "8"
    & skf18("3","5","9","6","1","2","1") = "8"
    & skf18("3","5","9","6","1","3","1") = "8"
    & skf18("3","5","9","6","1","4","1") = "8"
    & skf18("3","5","9","6","1","5","1") = "8"
    & skf18("3","5","9","6","1","6","1") = "8"
    & skf18("3","5","9","6","1","7","1") = "8"
    & skf18("3","5","9","6","1","8","1") = "8"
    & skf18("3","5","9","6","1","9","1") = "8"
    & skf18("3","5","9","6","1","10","1") = "9"
    & skf18("3","5","9","6","2","1","1") = "8"
    & skf18("3","5","9","6","2","2","1") = "8"
    & skf18("3","5","9","6","2","3","1") = "8"
    & skf18("3","5","9","6","2","4","1") = "8"
    & skf18("3","5","9","6","2","5","1") = "8"
    & skf18("3","5","9","6","2","6","1") = "8"
    & skf18("3","5","9","6","2","7","1") = "8"
    & skf18("3","5","9","6","2","8","1") = "8"
    & skf18("3","5","9","6","2","9","1") = "8"
    & skf18("3","5","9","6","2","10","1") = "9"
    & skf18("3","5","9","6","3","1","1") = "8"
    & skf18("3","5","9","6","3","2","1") = "8"
    & skf18("3","5","9","6","3","3","1") = "8"
    & skf18("3","5","9","6","3","4","1") = "8"
    & skf18("3","5","9","6","3","5","1") = "8"
    & skf18("3","5","9","6","3","6","1") = "8"
    & skf18("3","5","9","6","3","7","1") = "8"
    & skf18("3","5","9","6","3","8","1") = "8"
    & skf18("3","5","9","6","3","9","1") = "8"
    & skf18("3","5","9","6","3","10","1") = "9"
    & skf18("3","5","9","6","4","1","1") = "8"
    & skf18("3","5","9","6","4","2","1") = "8"
    & skf18("3","5","9","6","4","3","1") = "8"
    & skf18("3","5","9","6","4","4","1") = "8"
    & skf18("3","5","9","6","4","5","1") = "8"
    & skf18("3","5","9","6","4","6","1") = "8"
    & skf18("3","5","9","6","4","7","1") = "8"
    & skf18("3","5","9","6","4","8","1") = "8"
    & skf18("3","5","9","6","4","9","1") = "8"
    & skf18("3","5","9","6","4","10","1") = "9"
    & skf18("3","5","9","6","5","1","1") = "8"
    & skf18("3","5","9","6","5","2","1") = "8"
    & skf18("3","5","9","6","5","3","1") = "8"
    & skf18("3","5","9","6","5","4","1") = "8"
    & skf18("3","5","9","6","5","5","1") = "8"
    & skf18("3","5","9","6","5","6","1") = "8"
    & skf18("3","5","9","6","5","7","1") = "8"
    & skf18("3","5","9","6","5","8","1") = "8"
    & skf18("3","5","9","6","5","9","1") = "8"
    & skf18("3","5","9","6","5","10","1") = "9"
    & skf18("3","5","9","6","6","1","1") = "8"
    & skf18("3","5","9","6","6","2","1") = "8"
    & skf18("3","5","9","6","6","3","1") = "8"
    & skf18("3","5","9","6","6","4","1") = "8"
    & skf18("3","5","9","6","6","5","1") = "8"
    & skf18("3","5","9","6","6","6","1") = "8"
    & skf18("3","5","9","6","6","7","1") = "8"
    & skf18("3","5","9","6","6","8","1") = "8"
    & skf18("3","5","9","6","6","9","1") = "8"
    & skf18("3","5","9","6","6","10","1") = "9"
    & skf18("3","5","9","6","7","1","1") = "8"
    & skf18("3","5","9","6","7","2","1") = "8"
    & skf18("3","5","9","6","7","3","1") = "8"
    & skf18("3","5","9","6","7","4","1") = "8"
    & skf18("3","5","9","6","7","5","1") = "8"
    & skf18("3","5","9","6","7","6","1") = "8"
    & skf18("3","5","9","6","7","7","1") = "8"
    & skf18("3","5","9","6","7","8","1") = "8"
    & skf18("3","5","9","6","7","9","1") = "8"
    & skf18("3","5","9","6","7","10","1") = "9"
    & skf18("3","5","9","6","8","1","1") = "8"
    & skf18("3","5","9","6","8","2","1") = "8"
    & skf18("3","5","9","6","8","3","1") = "8"
    & skf18("3","5","9","6","8","4","1") = "8"
    & skf18("3","5","9","6","8","5","1") = "8"
    & skf18("3","5","9","6","8","6","1") = "8"
    & skf18("3","5","9","6","8","7","1") = "8"
    & skf18("3","5","9","6","8","8","1") = "8"
    & skf18("3","5","9","6","8","9","1") = "8"
    & skf18("3","5","9","6","8","10","1") = "9"
    & skf18("3","5","9","6","9","1","1") = "8"
    & skf18("3","5","9","6","9","2","1") = "8"
    & skf18("3","5","9","6","9","3","1") = "8"
    & skf18("3","5","9","6","9","4","1") = "8"
    & skf18("3","5","9","6","9","5","1") = "8"
    & skf18("3","5","9","6","9","6","1") = "8"
    & skf18("3","5","9","6","9","7","1") = "8"
    & skf18("3","5","9","6","9","8","1") = "8"
    & skf18("3","5","9","6","9","9","1") = "8"
    & skf18("3","5","9","6","9","10","1") = "9"
    & skf18("3","5","9","6","10","1","1") = "9"
    & skf18("3","5","9","6","10","2","1") = "9"
    & skf18("3","5","9","6","10","3","1") = "9"
    & skf18("3","5","9","6","10","4","1") = "9"
    & skf18("3","5","9","6","10","5","1") = "9"
    & skf18("3","5","9","6","10","6","1") = "9"
    & skf18("3","5","9","6","10","7","1") = "9"
    & skf18("3","5","9","6","10","8","1") = "9"
    & skf18("3","5","9","6","10","9","1") = "9"
    & skf18("3","5","9","6","10","10","1") = "9"
    & skf18("3","5","9","7","1","1","1") = "8"
    & skf18("3","5","9","7","1","2","1") = "8"
    & skf18("3","5","9","7","1","3","1") = "8"
    & skf18("3","5","9","7","1","4","1") = "8"
    & skf18("3","5","9","7","1","5","1") = "8"
    & skf18("3","5","9","7","1","6","1") = "8"
    & skf18("3","5","9","7","1","7","1") = "8"
    & skf18("3","5","9","7","1","8","1") = "8"
    & skf18("3","5","9","7","1","9","1") = "8"
    & skf18("3","5","9","7","1","10","1") = "9"
    & skf18("3","5","9","7","2","1","1") = "8"
    & skf18("3","5","9","7","2","2","1") = "8"
    & skf18("3","5","9","7","2","3","1") = "8"
    & skf18("3","5","9","7","2","4","1") = "8"
    & skf18("3","5","9","7","2","5","1") = "8"
    & skf18("3","5","9","7","2","6","1") = "8"
    & skf18("3","5","9","7","2","7","1") = "8"
    & skf18("3","5","9","7","2","8","1") = "8"
    & skf18("3","5","9","7","2","9","1") = "8"
    & skf18("3","5","9","7","2","10","1") = "9"
    & skf18("3","5","9","7","3","1","1") = "8"
    & skf18("3","5","9","7","3","2","1") = "8"
    & skf18("3","5","9","7","3","3","1") = "8"
    & skf18("3","5","9","7","3","4","1") = "8"
    & skf18("3","5","9","7","3","5","1") = "8"
    & skf18("3","5","9","7","3","6","1") = "8"
    & skf18("3","5","9","7","3","7","1") = "8"
    & skf18("3","5","9","7","3","8","1") = "8"
    & skf18("3","5","9","7","3","9","1") = "8"
    & skf18("3","5","9","7","3","10","1") = "9"
    & skf18("3","5","9","7","4","1","1") = "8"
    & skf18("3","5","9","7","4","2","1") = "8"
    & skf18("3","5","9","7","4","3","1") = "8"
    & skf18("3","5","9","7","4","4","1") = "8"
    & skf18("3","5","9","7","4","5","1") = "8"
    & skf18("3","5","9","7","4","6","1") = "8"
    & skf18("3","5","9","7","4","7","1") = "8"
    & skf18("3","5","9","7","4","8","1") = "8"
    & skf18("3","5","9","7","4","9","1") = "8"
    & skf18("3","5","9","7","4","10","1") = "9"
    & skf18("3","5","9","7","5","1","1") = "8"
    & skf18("3","5","9","7","5","2","1") = "8"
    & skf18("3","5","9","7","5","3","1") = "8"
    & skf18("3","5","9","7","5","4","1") = "8"
    & skf18("3","5","9","7","5","5","1") = "8"
    & skf18("3","5","9","7","5","6","1") = "8"
    & skf18("3","5","9","7","5","7","1") = "8"
    & skf18("3","5","9","7","5","8","1") = "8"
    & skf18("3","5","9","7","5","9","1") = "8"
    & skf18("3","5","9","7","5","10","1") = "9"
    & skf18("3","5","9","7","6","1","1") = "8"
    & skf18("3","5","9","7","6","2","1") = "8"
    & skf18("3","5","9","7","6","3","1") = "8"
    & skf18("3","5","9","7","6","4","1") = "8"
    & skf18("3","5","9","7","6","5","1") = "8"
    & skf18("3","5","9","7","6","6","1") = "8"
    & skf18("3","5","9","7","6","7","1") = "8"
    & skf18("3","5","9","7","6","8","1") = "8"
    & skf18("3","5","9","7","6","9","1") = "8"
    & skf18("3","5","9","7","6","10","1") = "9"
    & skf18("3","5","9","7","7","1","1") = "8"
    & skf18("3","5","9","7","7","2","1") = "8"
    & skf18("3","5","9","7","7","3","1") = "8"
    & skf18("3","5","9","7","7","4","1") = "8"
    & skf18("3","5","9","7","7","5","1") = "8"
    & skf18("3","5","9","7","7","6","1") = "8"
    & skf18("3","5","9","7","7","7","1") = "8"
    & skf18("3","5","9","7","7","8","1") = "8"
    & skf18("3","5","9","7","7","9","1") = "8"
    & skf18("3","5","9","7","7","10","1") = "9"
    & skf18("3","5","9","7","8","1","1") = "8"
    & skf18("3","5","9","7","8","2","1") = "8"
    & skf18("3","5","9","7","8","3","1") = "8"
    & skf18("3","5","9","7","8","4","1") = "8"
    & skf18("3","5","9","7","8","5","1") = "8"
    & skf18("3","5","9","7","8","6","1") = "8"
    & skf18("3","5","9","7","8","7","1") = "8"
    & skf18("3","5","9","7","8","8","1") = "8"
    & skf18("3","5","9","7","8","9","1") = "8"
    & skf18("3","5","9","7","8","10","1") = "9"
    & skf18("3","5","9","7","9","1","1") = "8"
    & skf18("3","5","9","7","9","2","1") = "8"
    & skf18("3","5","9","7","9","3","1") = "8"
    & skf18("3","5","9","7","9","4","1") = "8"
    & skf18("3","5","9","7","9","5","1") = "8"
    & skf18("3","5","9","7","9","6","1") = "8"
    & skf18("3","5","9","7","9","7","1") = "8"
    & skf18("3","5","9","7","9","8","1") = "8"
    & skf18("3","5","9","7","9","9","1") = "8"
    & skf18("3","5","9","7","9","10","1") = "9"
    & skf18("3","5","9","7","10","1","1") = "9"
    & skf18("3","5","9","7","10","2","1") = "9"
    & skf18("3","5","9","7","10","3","1") = "9"
    & skf18("3","5","9","7","10","4","1") = "9"
    & skf18("3","5","9","7","10","5","1") = "9"
    & skf18("3","5","9","7","10","6","1") = "9"
    & skf18("3","5","9","7","10","7","1") = "9"
    & skf18("3","5","9","7","10","8","1") = "9"
    & skf18("3","5","9","7","10","9","1") = "9"
    & skf18("3","5","9","7","10","10","1") = "9"
    & skf18("3","5","9","8","1","1","1") = "8"
    & skf18("3","5","9","8","1","2","1") = "8"
    & skf18("3","5","9","8","1","3","1") = "8"
    & skf18("3","5","9","8","1","4","1") = "8"
    & skf18("3","5","9","8","1","5","1") = "8"
    & skf18("3","5","9","8","1","6","1") = "8"
    & skf18("3","5","9","8","1","7","1") = "8"
    & skf18("3","5","9","8","1","8","1") = "8"
    & skf18("3","5","9","8","1","9","1") = "8"
    & skf18("3","5","9","8","1","10","1") = "9"
    & skf18("3","5","9","8","2","1","1") = "8"
    & skf18("3","5","9","8","2","2","1") = "8"
    & skf18("3","5","9","8","2","3","1") = "8"
    & skf18("3","5","9","8","2","4","1") = "8"
    & skf18("3","5","9","8","2","5","1") = "8"
    & skf18("3","5","9","8","2","6","1") = "8"
    & skf18("3","5","9","8","2","7","1") = "8"
    & skf18("3","5","9","8","2","8","1") = "8"
    & skf18("3","5","9","8","2","9","1") = "8"
    & skf18("3","5","9","8","2","10","1") = "9"
    & skf18("3","5","9","8","3","1","1") = "8"
    & skf18("3","5","9","8","3","2","1") = "8"
    & skf18("3","5","9","8","3","3","1") = "8"
    & skf18("3","5","9","8","3","4","1") = "8"
    & skf18("3","5","9","8","3","5","1") = "8"
    & skf18("3","5","9","8","3","6","1") = "8"
    & skf18("3","5","9","8","3","7","1") = "8"
    & skf18("3","5","9","8","3","8","1") = "8"
    & skf18("3","5","9","8","3","9","1") = "8"
    & skf18("3","5","9","8","3","10","1") = "9"
    & skf18("3","5","9","8","4","1","1") = "8"
    & skf18("3","5","9","8","4","2","1") = "8"
    & skf18("3","5","9","8","4","3","1") = "8"
    & skf18("3","5","9","8","4","4","1") = "8"
    & skf18("3","5","9","8","4","5","1") = "8"
    & skf18("3","5","9","8","4","6","1") = "8"
    & skf18("3","5","9","8","4","7","1") = "8"
    & skf18("3","5","9","8","4","8","1") = "8"
    & skf18("3","5","9","8","4","9","1") = "8"
    & skf18("3","5","9","8","4","10","1") = "9"
    & skf18("3","5","9","8","5","1","1") = "8"
    & skf18("3","5","9","8","5","2","1") = "8"
    & skf18("3","5","9","8","5","3","1") = "8"
    & skf18("3","5","9","8","5","4","1") = "8"
    & skf18("3","5","9","8","5","5","1") = "8"
    & skf18("3","5","9","8","5","6","1") = "8"
    & skf18("3","5","9","8","5","7","1") = "8"
    & skf18("3","5","9","8","5","8","1") = "8"
    & skf18("3","5","9","8","5","9","1") = "8"
    & skf18("3","5","9","8","5","10","1") = "9"
    & skf18("3","5","9","8","6","1","1") = "8"
    & skf18("3","5","9","8","6","2","1") = "8"
    & skf18("3","5","9","8","6","3","1") = "8"
    & skf18("3","5","9","8","6","4","1") = "8"
    & skf18("3","5","9","8","6","5","1") = "8"
    & skf18("3","5","9","8","6","6","1") = "8"
    & skf18("3","5","9","8","6","7","1") = "8"
    & skf18("3","5","9","8","6","8","1") = "8"
    & skf18("3","5","9","8","6","9","1") = "8"
    & skf18("3","5","9","8","6","10","1") = "9"
    & skf18("3","5","9","8","7","1","1") = "8"
    & skf18("3","5","9","8","7","2","1") = "8"
    & skf18("3","5","9","8","7","3","1") = "8"
    & skf18("3","5","9","8","7","4","1") = "8"
    & skf18("3","5","9","8","7","5","1") = "8"
    & skf18("3","5","9","8","7","6","1") = "8"
    & skf18("3","5","9","8","7","7","1") = "8"
    & skf18("3","5","9","8","7","8","1") = "8"
    & skf18("3","5","9","8","7","9","1") = "8"
    & skf18("3","5","9","8","7","10","1") = "9"
    & skf18("3","5","9","8","8","1","1") = "8"
    & skf18("3","5","9","8","8","2","1") = "8"
    & skf18("3","5","9","8","8","3","1") = "8"
    & skf18("3","5","9","8","8","4","1") = "8"
    & skf18("3","5","9","8","8","5","1") = "8"
    & skf18("3","5","9","8","8","6","1") = "8"
    & skf18("3","5","9","8","8","7","1") = "8"
    & skf18("3","5","9","8","8","8","1") = "8"
    & skf18("3","5","9","8","8","9","1") = "8"
    & skf18("3","5","9","8","8","10","1") = "9"
    & skf18("3","5","9","8","9","1","1") = "8"
    & skf18("3","5","9","8","9","2","1") = "8"
    & skf18("3","5","9","8","9","3","1") = "8"
    & skf18("3","5","9","8","9","4","1") = "8"
    & skf18("3","5","9","8","9","5","1") = "8"
    & skf18("3","5","9","8","9","6","1") = "8"
    & skf18("3","5","9","8","9","7","1") = "8"
    & skf18("3","5","9","8","9","8","1") = "8"
    & skf18("3","5","9","8","9","9","1") = "8"
    & skf18("3","5","9","8","9","10","1") = "9"
    & skf18("3","5","9","8","10","1","1") = "9"
    & skf18("3","5","9","8","10","2","1") = "9"
    & skf18("3","5","9","8","10","3","1") = "9"
    & skf18("3","5","9","8","10","4","1") = "9"
    & skf18("3","5","9","8","10","5","1") = "9"
    & skf18("3","5","9","8","10","6","1") = "9"
    & skf18("3","5","9","8","10","7","1") = "9"
    & skf18("3","5","9","8","10","8","1") = "9"
    & skf18("3","5","9","8","10","9","1") = "9"
    & skf18("3","5","9","8","10","10","1") = "9"
    & skf18("3","5","9","9","1","1","1") = "8"
    & skf18("3","5","9","9","1","2","1") = "8"
    & skf18("3","5","9","9","1","3","1") = "8"
    & skf18("3","5","9","9","1","4","1") = "8"
    & skf18("3","5","9","9","1","5","1") = "8"
    & skf18("3","5","9","9","1","6","1") = "8"
    & skf18("3","5","9","9","1","7","1") = "8"
    & skf18("3","5","9","9","1","8","1") = "8"
    & skf18("3","5","9","9","1","9","1") = "8"
    & skf18("3","5","9","9","1","10","1") = "9"
    & skf18("3","5","9","9","2","1","1") = "8"
    & skf18("3","5","9","9","2","2","1") = "8"
    & skf18("3","5","9","9","2","3","1") = "8"
    & skf18("3","5","9","9","2","4","1") = "8"
    & skf18("3","5","9","9","2","5","1") = "8"
    & skf18("3","5","9","9","2","6","1") = "8"
    & skf18("3","5","9","9","2","7","1") = "8"
    & skf18("3","5","9","9","2","8","1") = "8"
    & skf18("3","5","9","9","2","9","1") = "8"
    & skf18("3","5","9","9","2","10","1") = "9"
    & skf18("3","5","9","9","3","1","1") = "8"
    & skf18("3","5","9","9","3","2","1") = "8"
    & skf18("3","5","9","9","3","3","1") = "8"
    & skf18("3","5","9","9","3","4","1") = "8"
    & skf18("3","5","9","9","3","5","1") = "8"
    & skf18("3","5","9","9","3","6","1") = "8"
    & skf18("3","5","9","9","3","7","1") = "8"
    & skf18("3","5","9","9","3","8","1") = "8"
    & skf18("3","5","9","9","3","9","1") = "8"
    & skf18("3","5","9","9","3","10","1") = "9"
    & skf18("3","5","9","9","4","1","1") = "8"
    & skf18("3","5","9","9","4","2","1") = "8"
    & skf18("3","5","9","9","4","3","1") = "8"
    & skf18("3","5","9","9","4","4","1") = "8"
    & skf18("3","5","9","9","4","5","1") = "8"
    & skf18("3","5","9","9","4","6","1") = "8"
    & skf18("3","5","9","9","4","7","1") = "8"
    & skf18("3","5","9","9","4","8","1") = "8"
    & skf18("3","5","9","9","4","9","1") = "8"
    & skf18("3","5","9","9","4","10","1") = "9"
    & skf18("3","5","9","9","5","1","1") = "8"
    & skf18("3","5","9","9","5","2","1") = "8"
    & skf18("3","5","9","9","5","3","1") = "8"
    & skf18("3","5","9","9","5","4","1") = "8"
    & skf18("3","5","9","9","5","5","1") = "8"
    & skf18("3","5","9","9","5","6","1") = "8"
    & skf18("3","5","9","9","5","7","1") = "8"
    & skf18("3","5","9","9","5","8","1") = "8"
    & skf18("3","5","9","9","5","9","1") = "8"
    & skf18("3","5","9","9","5","10","1") = "9"
    & skf18("3","5","9","9","6","1","1") = "8"
    & skf18("3","5","9","9","6","2","1") = "8"
    & skf18("3","5","9","9","6","3","1") = "8"
    & skf18("3","5","9","9","6","4","1") = "8"
    & skf18("3","5","9","9","6","5","1") = "8"
    & skf18("3","5","9","9","6","6","1") = "8"
    & skf18("3","5","9","9","6","7","1") = "8"
    & skf18("3","5","9","9","6","8","1") = "8"
    & skf18("3","5","9","9","6","9","1") = "8"
    & skf18("3","5","9","9","6","10","1") = "9"
    & skf18("3","5","9","9","7","1","1") = "8"
    & skf18("3","5","9","9","7","2","1") = "8"
    & skf18("3","5","9","9","7","3","1") = "8"
    & skf18("3","5","9","9","7","4","1") = "8"
    & skf18("3","5","9","9","7","5","1") = "8"
    & skf18("3","5","9","9","7","6","1") = "8"
    & skf18("3","5","9","9","7","7","1") = "8"
    & skf18("3","5","9","9","7","8","1") = "8"
    & skf18("3","5","9","9","7","9","1") = "8"
    & skf18("3","5","9","9","7","10","1") = "9"
    & skf18("3","5","9","9","8","1","1") = "8"
    & skf18("3","5","9","9","8","2","1") = "8"
    & skf18("3","5","9","9","8","3","1") = "8"
    & skf18("3","5","9","9","8","4","1") = "8"
    & skf18("3","5","9","9","8","5","1") = "8"
    & skf18("3","5","9","9","8","6","1") = "8"
    & skf18("3","5","9","9","8","7","1") = "8"
    & skf18("3","5","9","9","8","8","1") = "8"
    & skf18("3","5","9","9","8","9","1") = "8"
    & skf18("3","5","9","9","8","10","1") = "9"
    & skf18("3","5","9","9","9","1","1") = "8"
    & skf18("3","5","9","9","9","2","1") = "8"
    & skf18("3","5","9","9","9","3","1") = "8"
    & skf18("3","5","9","9","9","4","1") = "8"
    & skf18("3","5","9","9","9","5","1") = "8"
    & skf18("3","5","9","9","9","6","1") = "8"
    & skf18("3","5","9","9","9","7","1") = "8"
    & skf18("3","5","9","9","9","8","1") = "8"
    & skf18("3","5","9","9","9","9","1") = "8"
    & skf18("3","5","9","9","9","10","1") = "9"
    & skf18("3","5","9","9","10","1","1") = "9"
    & skf18("3","5","9","9","10","2","1") = "9"
    & skf18("3","5","9","9","10","3","1") = "9"
    & skf18("3","5","9","9","10","4","1") = "9"
    & skf18("3","5","9","9","10","5","1") = "9"
    & skf18("3","5","9","9","10","6","1") = "9"
    & skf18("3","5","9","9","10","7","1") = "9"
    & skf18("3","5","9","9","10","8","1") = "9"
    & skf18("3","5","9","9","10","9","1") = "9"
    & skf18("3","5","9","9","10","10","1") = "9"
    & skf18("3","5","9","10","1","1","1") = "9"
    & skf18("3","5","9","10","1","2","1") = "9"
    & skf18("3","5","9","10","1","3","1") = "9"
    & skf18("3","5","9","10","1","4","1") = "9"
    & skf18("3","5","9","10","1","5","1") = "9"
    & skf18("3","5","9","10","1","6","1") = "9"
    & skf18("3","5","9","10","1","7","1") = "9"
    & skf18("3","5","9","10","1","8","1") = "9"
    & skf18("3","5","9","10","1","9","1") = "9"
    & skf18("3","5","9","10","1","10","1") = "9"
    & skf18("3","5","9","10","2","1","1") = "9"
    & skf18("3","5","9","10","2","2","1") = "9"
    & skf18("3","5","9","10","2","3","1") = "9"
    & skf18("3","5","9","10","2","4","1") = "9"
    & skf18("3","5","9","10","2","5","1") = "9"
    & skf18("3","5","9","10","2","6","1") = "9"
    & skf18("3","5","9","10","2","7","1") = "9"
    & skf18("3","5","9","10","2","8","1") = "9"
    & skf18("3","5","9","10","2","9","1") = "9"
    & skf18("3","5","9","10","2","10","1") = "9"
    & skf18("3","5","9","10","3","1","1") = "9"
    & skf18("3","5","9","10","3","2","1") = "9"
    & skf18("3","5","9","10","3","3","1") = "9"
    & skf18("3","5","9","10","3","4","1") = "9"
    & skf18("3","5","9","10","3","5","1") = "9"
    & skf18("3","5","9","10","3","6","1") = "9"
    & skf18("3","5","9","10","3","7","1") = "9"
    & skf18("3","5","9","10","3","8","1") = "9"
    & skf18("3","5","9","10","3","9","1") = "9"
    & skf18("3","5","9","10","3","10","1") = "9"
    & skf18("3","5","9","10","4","1","1") = "9"
    & skf18("3","5","9","10","4","2","1") = "9"
    & skf18("3","5","9","10","4","3","1") = "9"
    & skf18("3","5","9","10","4","4","1") = "9"
    & skf18("3","5","9","10","4","5","1") = "9"
    & skf18("3","5","9","10","4","6","1") = "9"
    & skf18("3","5","9","10","4","7","1") = "9"
    & skf18("3","5","9","10","4","8","1") = "9"
    & skf18("3","5","9","10","4","9","1") = "9"
    & skf18("3","5","9","10","4","10","1") = "9"
    & skf18("3","5","9","10","5","1","1") = "9"
    & skf18("3","5","9","10","5","2","1") = "9"
    & skf18("3","5","9","10","5","3","1") = "9"
    & skf18("3","5","9","10","5","4","1") = "9"
    & skf18("3","5","9","10","5","5","1") = "9"
    & skf18("3","5","9","10","5","6","1") = "9"
    & skf18("3","5","9","10","5","7","1") = "9"
    & skf18("3","5","9","10","5","8","1") = "9"
    & skf18("3","5","9","10","5","9","1") = "9"
    & skf18("3","5","9","10","5","10","1") = "9"
    & skf18("3","5","9","10","6","1","1") = "9"
    & skf18("3","5","9","10","6","2","1") = "9"
    & skf18("3","5","9","10","6","3","1") = "9"
    & skf18("3","5","9","10","6","4","1") = "9"
    & skf18("3","5","9","10","6","5","1") = "9"
    & skf18("3","5","9","10","6","6","1") = "9"
    & skf18("3","5","9","10","6","7","1") = "9"
    & skf18("3","5","9","10","6","8","1") = "9"
    & skf18("3","5","9","10","6","9","1") = "9"
    & skf18("3","5","9","10","6","10","1") = "9"
    & skf18("3","5","9","10","7","1","1") = "9"
    & skf18("3","5","9","10","7","2","1") = "9"
    & skf18("3","5","9","10","7","3","1") = "9"
    & skf18("3","5","9","10","7","4","1") = "9"
    & skf18("3","5","9","10","7","5","1") = "9"
    & skf18("3","5","9","10","7","6","1") = "9"
    & skf18("3","5","9","10","7","7","1") = "9"
    & skf18("3","5","9","10","7","8","1") = "9"
    & skf18("3","5","9","10","7","9","1") = "9"
    & skf18("3","5","9","10","7","10","1") = "9"
    & skf18("3","5","9","10","8","1","1") = "9"
    & skf18("3","5","9","10","8","2","1") = "9"
    & skf18("3","5","9","10","8","3","1") = "9"
    & skf18("3","5","9","10","8","4","1") = "9"
    & skf18("3","5","9","10","8","5","1") = "9"
    & skf18("3","5","9","10","8","6","1") = "9"
    & skf18("3","5","9","10","8","7","1") = "9"
    & skf18("3","5","9","10","8","8","1") = "9"
    & skf18("3","5","9","10","8","9","1") = "9"
    & skf18("3","5","9","10","8","10","1") = "9"
    & skf18("3","5","9","10","9","1","1") = "9"
    & skf18("3","5","9","10","9","2","1") = "9"
    & skf18("3","5","9","10","9","3","1") = "9"
    & skf18("3","5","9","10","9","4","1") = "9"
    & skf18("3","5","9","10","9","5","1") = "9"
    & skf18("3","5","9","10","9","6","1") = "9"
    & skf18("3","5","9","10","9","7","1") = "9"
    & skf18("3","5","9","10","9","8","1") = "9"
    & skf18("3","5","9","10","9","9","1") = "9"
    & skf18("3","5","9","10","9","10","1") = "9"
    & skf18("3","5","9","10","10","1","1") = "9"
    & skf18("3","5","9","10","10","2","1") = "9"
    & skf18("3","5","9","10","10","3","1") = "9"
    & skf18("3","5","9","10","10","4","1") = "9"
    & skf18("3","5","9","10","10","5","1") = "9"
    & skf18("3","5","9","10","10","6","1") = "9"
    & skf18("3","5","9","10","10","7","1") = "9"
    & skf18("3","5","9","10","10","8","1") = "9"
    & skf18("3","5","9","10","10","9","1") = "9"
    & skf18("3","5","9","10","10","10","1") = "9"
    & skf18("3","5","10","1","1","1","1") = "9"
    & skf18("3","5","10","1","1","2","1") = "9"
    & skf18("3","5","10","1","1","3","1") = "9"
    & skf18("3","5","10","1","1","4","1") = "9"
    & skf18("3","5","10","1","1","5","1") = "9"
    & skf18("3","5","10","1","1","6","1") = "9"
    & skf18("3","5","10","1","1","7","1") = "9"
    & skf18("3","5","10","1","1","8","1") = "9"
    & skf18("3","5","10","1","1","9","1") = "9"
    & skf18("3","5","10","1","1","10","1") = "9"
    & skf18("3","5","10","1","2","1","1") = "9"
    & skf18("3","5","10","1","2","2","1") = "9"
    & skf18("3","5","10","1","2","3","1") = "9"
    & skf18("3","5","10","1","2","4","1") = "9"
    & skf18("3","5","10","1","2","5","1") = "9"
    & skf18("3","5","10","1","2","6","1") = "9"
    & skf18("3","5","10","1","2","7","1") = "9"
    & skf18("3","5","10","1","2","8","1") = "9"
    & skf18("3","5","10","1","2","9","1") = "9"
    & skf18("3","5","10","1","2","10","1") = "9"
    & skf18("3","5","10","1","3","1","1") = "9"
    & skf18("3","5","10","1","3","2","1") = "9"
    & skf18("3","5","10","1","3","3","1") = "9"
    & skf18("3","5","10","1","3","4","1") = "9"
    & skf18("3","5","10","1","3","5","1") = "9"
    & skf18("3","5","10","1","3","6","1") = "9"
    & skf18("3","5","10","1","3","7","1") = "9"
    & skf18("3","5","10","1","3","8","1") = "9"
    & skf18("3","5","10","1","3","9","1") = "9"
    & skf18("3","5","10","1","3","10","1") = "9"
    & skf18("3","5","10","1","4","1","1") = "9"
    & skf18("3","5","10","1","4","2","1") = "9"
    & skf18("3","5","10","1","4","3","1") = "9"
    & skf18("3","5","10","1","4","4","1") = "9"
    & skf18("3","5","10","1","4","5","1") = "9"
    & skf18("3","5","10","1","4","6","1") = "9"
    & skf18("3","5","10","1","4","7","1") = "9"
    & skf18("3","5","10","1","4","8","1") = "9"
    & skf18("3","5","10","1","4","9","1") = "9"
    & skf18("3","5","10","1","4","10","1") = "9"
    & skf18("3","5","10","1","5","1","1") = "9"
    & skf18("3","5","10","1","5","2","1") = "9"
    & skf18("3","5","10","1","5","3","1") = "9"
    & skf18("3","5","10","1","5","4","1") = "9"
    & skf18("3","5","10","1","5","5","1") = "9"
    & skf18("3","5","10","1","5","6","1") = "9"
    & skf18("3","5","10","1","5","7","1") = "9"
    & skf18("3","5","10","1","5","8","1") = "9"
    & skf18("3","5","10","1","5","9","1") = "9"
    & skf18("3","5","10","1","5","10","1") = "9"
    & skf18("3","5","10","1","6","1","1") = "9"
    & skf18("3","5","10","1","6","2","1") = "9"
    & skf18("3","5","10","1","6","3","1") = "9"
    & skf18("3","5","10","1","6","4","1") = "9"
    & skf18("3","5","10","1","6","5","1") = "9"
    & skf18("3","5","10","1","6","6","1") = "9"
    & skf18("3","5","10","1","6","7","1") = "9"
    & skf18("3","5","10","1","6","8","1") = "9"
    & skf18("3","5","10","1","6","9","1") = "9"
    & skf18("3","5","10","1","6","10","1") = "9"
    & skf18("3","5","10","1","7","1","1") = "9"
    & skf18("3","5","10","1","7","2","1") = "9"
    & skf18("3","5","10","1","7","3","1") = "9"
    & skf18("3","5","10","1","7","4","1") = "9"
    & skf18("3","5","10","1","7","5","1") = "9"
    & skf18("3","5","10","1","7","6","1") = "9"
    & skf18("3","5","10","1","7","7","1") = "9"
    & skf18("3","5","10","1","7","8","1") = "9"
    & skf18("3","5","10","1","7","9","1") = "9"
    & skf18("3","5","10","1","7","10","1") = "9"
    & skf18("3","5","10","1","8","1","1") = "9"
    & skf18("3","5","10","1","8","2","1") = "9"
    & skf18("3","5","10","1","8","3","1") = "9"
    & skf18("3","5","10","1","8","4","1") = "9"
    & skf18("3","5","10","1","8","5","1") = "9"
    & skf18("3","5","10","1","8","6","1") = "9"
    & skf18("3","5","10","1","8","7","1") = "9"
    & skf18("3","5","10","1","8","8","1") = "9"
    & skf18("3","5","10","1","8","9","1") = "9"
    & skf18("3","5","10","1","8","10","1") = "9"
    & skf18("3","5","10","1","9","1","1") = "9"
    & skf18("3","5","10","1","9","2","1") = "9"
    & skf18("3","5","10","1","9","3","1") = "9"
    & skf18("3","5","10","1","9","4","1") = "9"
    & skf18("3","5","10","1","9","5","1") = "9"
    & skf18("3","5","10","1","9","6","1") = "9"
    & skf18("3","5","10","1","9","7","1") = "9"
    & skf18("3","5","10","1","9","8","1") = "9"
    & skf18("3","5","10","1","9","9","1") = "9"
    & skf18("3","5","10","1","9","10","1") = "9"
    & skf18("3","5","10","1","10","1","1") = "9"
    & skf18("3","5","10","1","10","2","1") = "9"
    & skf18("3","5","10","1","10","3","1") = "9"
    & skf18("3","5","10","1","10","4","1") = "9"
    & skf18("3","5","10","1","10","5","1") = "9"
    & skf18("3","5","10","1","10","6","1") = "9"
    & skf18("3","5","10","1","10","7","1") = "9"
    & skf18("3","5","10","1","10","8","1") = "9"
    & skf18("3","5","10","1","10","9","1") = "9"
    & skf18("3","5","10","1","10","10","1") = "9"
    & skf18("3","5","10","2","1","1","1") = "9"
    & skf18("3","5","10","2","1","2","1") = "9"
    & skf18("3","5","10","2","1","3","1") = "9"
    & skf18("3","5","10","2","1","4","1") = "9"
    & skf18("3","5","10","2","1","5","1") = "9"
    & skf18("3","5","10","2","1","6","1") = "9"
    & skf18("3","5","10","2","1","7","1") = "9"
    & skf18("3","5","10","2","1","8","1") = "9"
    & skf18("3","5","10","2","1","9","1") = "9"
    & skf18("3","5","10","2","1","10","1") = "9"
    & skf18("3","5","10","2","2","1","1") = "9"
    & skf18("3","5","10","2","2","2","1") = "9"
    & skf18("3","5","10","2","2","3","1") = "9"
    & skf18("3","5","10","2","2","4","1") = "9"
    & skf18("3","5","10","2","2","5","1") = "9"
    & skf18("3","5","10","2","2","6","1") = "9"
    & skf18("3","5","10","2","2","7","1") = "9"
    & skf18("3","5","10","2","2","8","1") = "9"
    & skf18("3","5","10","2","2","9","1") = "9"
    & skf18("3","5","10","2","2","10","1") = "9"
    & skf18("3","5","10","2","3","1","1") = "9"
    & skf18("3","5","10","2","3","2","1") = "9"
    & skf18("3","5","10","2","3","3","1") = "9"
    & skf18("3","5","10","2","3","4","1") = "9"
    & skf18("3","5","10","2","3","5","1") = "9"
    & skf18("3","5","10","2","3","6","1") = "9"
    & skf18("3","5","10","2","3","7","1") = "9"
    & skf18("3","5","10","2","3","8","1") = "9"
    & skf18("3","5","10","2","3","9","1") = "9"
    & skf18("3","5","10","2","3","10","1") = "9"
    & skf18("3","5","10","2","4","1","1") = "9"
    & skf18("3","5","10","2","4","2","1") = "9"
    & skf18("3","5","10","2","4","3","1") = "9"
    & skf18("3","5","10","2","4","4","1") = "9"
    & skf18("3","5","10","2","4","5","1") = "9"
    & skf18("3","5","10","2","4","6","1") = "9"
    & skf18("3","5","10","2","4","7","1") = "9"
    & skf18("3","5","10","2","4","8","1") = "9"
    & skf18("3","5","10","2","4","9","1") = "9"
    & skf18("3","5","10","2","4","10","1") = "9"
    & skf18("3","5","10","2","5","1","1") = "9"
    & skf18("3","5","10","2","5","2","1") = "9"
    & skf18("3","5","10","2","5","3","1") = "9"
    & skf18("3","5","10","2","5","4","1") = "9"
    & skf18("3","5","10","2","5","5","1") = "9"
    & skf18("3","5","10","2","5","6","1") = "9"
    & skf18("3","5","10","2","5","7","1") = "9"
    & skf18("3","5","10","2","5","8","1") = "9"
    & skf18("3","5","10","2","5","9","1") = "9"
    & skf18("3","5","10","2","5","10","1") = "9"
    & skf18("3","5","10","2","6","1","1") = "9"
    & skf18("3","5","10","2","6","2","1") = "9"
    & skf18("3","5","10","2","6","3","1") = "9"
    & skf18("3","5","10","2","6","4","1") = "9"
    & skf18("3","5","10","2","6","5","1") = "9"
    & skf18("3","5","10","2","6","6","1") = "9"
    & skf18("3","5","10","2","6","7","1") = "9"
    & skf18("3","5","10","2","6","8","1") = "9"
    & skf18("3","5","10","2","6","9","1") = "9"
    & skf18("3","5","10","2","6","10","1") = "9"
    & skf18("3","5","10","2","7","1","1") = "9"
    & skf18("3","5","10","2","7","2","1") = "9"
    & skf18("3","5","10","2","7","3","1") = "9"
    & skf18("3","5","10","2","7","4","1") = "9"
    & skf18("3","5","10","2","7","5","1") = "9"
    & skf18("3","5","10","2","7","6","1") = "9"
    & skf18("3","5","10","2","7","7","1") = "9"
    & skf18("3","5","10","2","7","8","1") = "9"
    & skf18("3","5","10","2","7","9","1") = "9"
    & skf18("3","5","10","2","7","10","1") = "9"
    & skf18("3","5","10","2","8","1","1") = "9"
    & skf18("3","5","10","2","8","2","1") = "9"
    & skf18("3","5","10","2","8","3","1") = "9"
    & skf18("3","5","10","2","8","4","1") = "9"
    & skf18("3","5","10","2","8","5","1") = "9"
    & skf18("3","5","10","2","8","6","1") = "9"
    & skf18("3","5","10","2","8","7","1") = "9"
    & skf18("3","5","10","2","8","8","1") = "9"
    & skf18("3","5","10","2","8","9","1") = "9"
    & skf18("3","5","10","2","8","10","1") = "9"
    & skf18("3","5","10","2","9","1","1") = "9"
    & skf18("3","5","10","2","9","2","1") = "9"
    & skf18("3","5","10","2","9","3","1") = "9"
    & skf18("3","5","10","2","9","4","1") = "9"
    & skf18("3","5","10","2","9","5","1") = "9"
    & skf18("3","5","10","2","9","6","1") = "9"
    & skf18("3","5","10","2","9","7","1") = "9"
    & skf18("3","5","10","2","9","8","1") = "9"
    & skf18("3","5","10","2","9","9","1") = "9"
    & skf18("3","5","10","2","9","10","1") = "9"
    & skf18("3","5","10","2","10","1","1") = "9"
    & skf18("3","5","10","2","10","2","1") = "9"
    & skf18("3","5","10","2","10","3","1") = "9"
    & skf18("3","5","10","2","10","4","1") = "9"
    & skf18("3","5","10","2","10","5","1") = "9"
    & skf18("3","5","10","2","10","6","1") = "9"
    & skf18("3","5","10","2","10","7","1") = "9"
    & skf18("3","5","10","2","10","8","1") = "9"
    & skf18("3","5","10","2","10","9","1") = "9"
    & skf18("3","5","10","2","10","10","1") = "9"
    & skf18("3","5","10","3","1","1","1") = "9"
    & skf18("3","5","10","3","1","2","1") = "9"
    & skf18("3","5","10","3","1","3","1") = "9"
    & skf18("3","5","10","3","1","4","1") = "9"
    & skf18("3","5","10","3","1","5","1") = "9"
    & skf18("3","5","10","3","1","6","1") = "9"
    & skf18("3","5","10","3","1","7","1") = "9"
    & skf18("3","5","10","3","1","8","1") = "9"
    & skf18("3","5","10","3","1","9","1") = "9"
    & skf18("3","5","10","3","1","10","1") = "9"
    & skf18("3","5","10","3","2","1","1") = "9"
    & skf18("3","5","10","3","2","2","1") = "9"
    & skf18("3","5","10","3","2","3","1") = "9"
    & skf18("3","5","10","3","2","4","1") = "9"
    & skf18("3","5","10","3","2","5","1") = "9"
    & skf18("3","5","10","3","2","6","1") = "9"
    & skf18("3","5","10","3","2","7","1") = "9"
    & skf18("3","5","10","3","2","8","1") = "9"
    & skf18("3","5","10","3","2","9","1") = "9"
    & skf18("3","5","10","3","2","10","1") = "9"
    & skf18("3","5","10","3","3","1","1") = "9"
    & skf18("3","5","10","3","3","2","1") = "9"
    & skf18("3","5","10","3","3","3","1") = "9"
    & skf18("3","5","10","3","3","4","1") = "9"
    & skf18("3","5","10","3","3","5","1") = "9"
    & skf18("3","5","10","3","3","6","1") = "9"
    & skf18("3","5","10","3","3","7","1") = "9"
    & skf18("3","5","10","3","3","8","1") = "9"
    & skf18("3","5","10","3","3","9","1") = "9"
    & skf18("3","5","10","3","3","10","1") = "9"
    & skf18("3","5","10","3","4","1","1") = "9"
    & skf18("3","5","10","3","4","2","1") = "9"
    & skf18("3","5","10","3","4","3","1") = "9"
    & skf18("3","5","10","3","4","4","1") = "9"
    & skf18("3","5","10","3","4","5","1") = "9"
    & skf18("3","5","10","3","4","6","1") = "9"
    & skf18("3","5","10","3","4","7","1") = "9"
    & skf18("3","5","10","3","4","8","1") = "9"
    & skf18("3","5","10","3","4","9","1") = "9"
    & skf18("3","5","10","3","4","10","1") = "9"
    & skf18("3","5","10","3","5","1","1") = "9"
    & skf18("3","5","10","3","5","2","1") = "9"
    & skf18("3","5","10","3","5","3","1") = "9"
    & skf18("3","5","10","3","5","4","1") = "9"
    & skf18("3","5","10","3","5","5","1") = "9"
    & skf18("3","5","10","3","5","6","1") = "9"
    & skf18("3","5","10","3","5","7","1") = "9"
    & skf18("3","5","10","3","5","8","1") = "9"
    & skf18("3","5","10","3","5","9","1") = "9"
    & skf18("3","5","10","3","5","10","1") = "9"
    & skf18("3","5","10","3","6","1","1") = "9"
    & skf18("3","5","10","3","6","2","1") = "9"
    & skf18("3","5","10","3","6","3","1") = "9"
    & skf18("3","5","10","3","6","4","1") = "9"
    & skf18("3","5","10","3","6","5","1") = "9"
    & skf18("3","5","10","3","6","6","1") = "9"
    & skf18("3","5","10","3","6","7","1") = "9"
    & skf18("3","5","10","3","6","8","1") = "9"
    & skf18("3","5","10","3","6","9","1") = "9"
    & skf18("3","5","10","3","6","10","1") = "9"
    & skf18("3","5","10","3","7","1","1") = "9"
    & skf18("3","5","10","3","7","2","1") = "9"
    & skf18("3","5","10","3","7","3","1") = "9"
    & skf18("3","5","10","3","7","4","1") = "9"
    & skf18("3","5","10","3","7","5","1") = "9"
    & skf18("3","5","10","3","7","6","1") = "9"
    & skf18("3","5","10","3","7","7","1") = "9"
    & skf18("3","5","10","3","7","8","1") = "9"
    & skf18("3","5","10","3","7","9","1") = "9"
    & skf18("3","5","10","3","7","10","1") = "9"
    & skf18("3","5","10","3","8","1","1") = "9"
    & skf18("3","5","10","3","8","2","1") = "9"
    & skf18("3","5","10","3","8","3","1") = "9"
    & skf18("3","5","10","3","8","4","1") = "9"
    & skf18("3","5","10","3","8","5","1") = "9"
    & skf18("3","5","10","3","8","6","1") = "9"
    & skf18("3","5","10","3","8","7","1") = "9"
    & skf18("3","5","10","3","8","8","1") = "9"
    & skf18("3","5","10","3","8","9","1") = "9"
    & skf18("3","5","10","3","8","10","1") = "9"
    & skf18("3","5","10","3","9","1","1") = "9"
    & skf18("3","5","10","3","9","2","1") = "9"
    & skf18("3","5","10","3","9","3","1") = "9"
    & skf18("3","5","10","3","9","4","1") = "9"
    & skf18("3","5","10","3","9","5","1") = "9"
    & skf18("3","5","10","3","9","6","1") = "9"
    & skf18("3","5","10","3","9","7","1") = "9"
    & skf18("3","5","10","3","9","8","1") = "9"
    & skf18("3","5","10","3","9","9","1") = "9"
    & skf18("3","5","10","3","9","10","1") = "9"
    & skf18("3","5","10","3","10","1","1") = "9"
    & skf18("3","5","10","3","10","2","1") = "9"
    & skf18("3","5","10","3","10","3","1") = "9"
    & skf18("3","5","10","3","10","4","1") = "9"
    & skf18("3","5","10","3","10","5","1") = "9"
    & skf18("3","5","10","3","10","6","1") = "9"
    & skf18("3","5","10","3","10","7","1") = "9"
    & skf18("3","5","10","3","10","8","1") = "9"
    & skf18("3","5","10","3","10","9","1") = "9"
    & skf18("3","5","10","3","10","10","1") = "9"
    & skf18("3","5","10","4","1","1","1") = "9"
    & skf18("3","5","10","4","1","2","1") = "9"
    & skf18("3","5","10","4","1","3","1") = "9"
    & skf18("3","5","10","4","1","4","1") = "9"
    & skf18("3","5","10","4","1","5","1") = "9"
    & skf18("3","5","10","4","1","6","1") = "9"
    & skf18("3","5","10","4","1","7","1") = "9"
    & skf18("3","5","10","4","1","8","1") = "9"
    & skf18("3","5","10","4","1","9","1") = "9"
    & skf18("3","5","10","4","1","10","1") = "9"
    & skf18("3","5","10","4","2","1","1") = "9"
    & skf18("3","5","10","4","2","2","1") = "9"
    & skf18("3","5","10","4","2","3","1") = "9"
    & skf18("3","5","10","4","2","4","1") = "9"
    & skf18("3","5","10","4","2","5","1") = "9"
    & skf18("3","5","10","4","2","6","1") = "9"
    & skf18("3","5","10","4","2","7","1") = "9"
    & skf18("3","5","10","4","2","8","1") = "9"
    & skf18("3","5","10","4","2","9","1") = "9"
    & skf18("3","5","10","4","2","10","1") = "9"
    & skf18("3","5","10","4","3","1","1") = "9"
    & skf18("3","5","10","4","3","2","1") = "9"
    & skf18("3","5","10","4","3","3","1") = "9"
    & skf18("3","5","10","4","3","4","1") = "9"
    & skf18("3","5","10","4","3","5","1") = "9"
    & skf18("3","5","10","4","3","6","1") = "9"
    & skf18("3","5","10","4","3","7","1") = "9"
    & skf18("3","5","10","4","3","8","1") = "9"
    & skf18("3","5","10","4","3","9","1") = "9"
    & skf18("3","5","10","4","3","10","1") = "9"
    & skf18("3","5","10","4","4","1","1") = "9"
    & skf18("3","5","10","4","4","2","1") = "9"
    & skf18("3","5","10","4","4","3","1") = "9"
    & skf18("3","5","10","4","4","4","1") = "9"
    & skf18("3","5","10","4","4","5","1") = "9"
    & skf18("3","5","10","4","4","6","1") = "9"
    & skf18("3","5","10","4","4","7","1") = "9"
    & skf18("3","5","10","4","4","8","1") = "9"
    & skf18("3","5","10","4","4","9","1") = "9"
    & skf18("3","5","10","4","4","10","1") = "9"
    & skf18("3","5","10","4","5","1","1") = "9"
    & skf18("3","5","10","4","5","2","1") = "9"
    & skf18("3","5","10","4","5","3","1") = "9"
    & skf18("3","5","10","4","5","4","1") = "9"
    & skf18("3","5","10","4","5","5","1") = "9"
    & skf18("3","5","10","4","5","6","1") = "9"
    & skf18("3","5","10","4","5","7","1") = "9"
    & skf18("3","5","10","4","5","8","1") = "9"
    & skf18("3","5","10","4","5","9","1") = "9"
    & skf18("3","5","10","4","5","10","1") = "9"
    & skf18("3","5","10","4","6","1","1") = "9"
    & skf18("3","5","10","4","6","2","1") = "9"
    & skf18("3","5","10","4","6","3","1") = "9"
    & skf18("3","5","10","4","6","4","1") = "9"
    & skf18("3","5","10","4","6","5","1") = "9"
    & skf18("3","5","10","4","6","6","1") = "9"
    & skf18("3","5","10","4","6","7","1") = "9"
    & skf18("3","5","10","4","6","8","1") = "9"
    & skf18("3","5","10","4","6","9","1") = "9"
    & skf18("3","5","10","4","6","10","1") = "9"
    & skf18("3","5","10","4","7","1","1") = "9"
    & skf18("3","5","10","4","7","2","1") = "9"
    & skf18("3","5","10","4","7","3","1") = "9"
    & skf18("3","5","10","4","7","4","1") = "9"
    & skf18("3","5","10","4","7","5","1") = "9"
    & skf18("3","5","10","4","7","6","1") = "9"
    & skf18("3","5","10","4","7","7","1") = "9"
    & skf18("3","5","10","4","7","8","1") = "9"
    & skf18("3","5","10","4","7","9","1") = "9"
    & skf18("3","5","10","4","7","10","1") = "9"
    & skf18("3","5","10","4","8","1","1") = "9"
    & skf18("3","5","10","4","8","2","1") = "9"
    & skf18("3","5","10","4","8","3","1") = "9"
    & skf18("3","5","10","4","8","4","1") = "9"
    & skf18("3","5","10","4","8","5","1") = "9"
    & skf18("3","5","10","4","8","6","1") = "9"
    & skf18("3","5","10","4","8","7","1") = "9"
    & skf18("3","5","10","4","8","8","1") = "9"
    & skf18("3","5","10","4","8","9","1") = "9"
    & skf18("3","5","10","4","8","10","1") = "9"
    & skf18("3","5","10","4","9","1","1") = "9"
    & skf18("3","5","10","4","9","2","1") = "9"
    & skf18("3","5","10","4","9","3","1") = "9"
    & skf18("3","5","10","4","9","4","1") = "9"
    & skf18("3","5","10","4","9","5","1") = "9"
    & skf18("3","5","10","4","9","6","1") = "9"
    & skf18("3","5","10","4","9","7","1") = "9"
    & skf18("3","5","10","4","9","8","1") = "9"
    & skf18("3","5","10","4","9","9","1") = "9"
    & skf18("3","5","10","4","9","10","1") = "9"
    & skf18("3","5","10","4","10","1","1") = "9"
    & skf18("3","5","10","4","10","2","1") = "9"
    & skf18("3","5","10","4","10","3","1") = "9"
    & skf18("3","5","10","4","10","4","1") = "9"
    & skf18("3","5","10","4","10","5","1") = "9"
    & skf18("3","5","10","4","10","6","1") = "9"
    & skf18("3","5","10","4","10","7","1") = "9"
    & skf18("3","5","10","4","10","8","1") = "9"
    & skf18("3","5","10","4","10","9","1") = "9"
    & skf18("3","5","10","4","10","10","1") = "9"
    & skf18("3","5","10","5","1","1","1") = "9"
    & skf18("3","5","10","5","1","2","1") = "9"
    & skf18("3","5","10","5","1","3","1") = "9"
    & skf18("3","5","10","5","1","4","1") = "9"
    & skf18("3","5","10","5","1","5","1") = "9"
    & skf18("3","5","10","5","1","6","1") = "9"
    & skf18("3","5","10","5","1","7","1") = "9"
    & skf18("3","5","10","5","1","8","1") = "9"
    & skf18("3","5","10","5","1","9","1") = "9"
    & skf18("3","5","10","5","1","10","1") = "9"
    & skf18("3","5","10","5","2","1","1") = "9"
    & skf18("3","5","10","5","2","2","1") = "9"
    & skf18("3","5","10","5","2","3","1") = "9"
    & skf18("3","5","10","5","2","4","1") = "9"
    & skf18("3","5","10","5","2","5","1") = "9"
    & skf18("3","5","10","5","2","6","1") = "9"
    & skf18("3","5","10","5","2","7","1") = "9"
    & skf18("3","5","10","5","2","8","1") = "9"
    & skf18("3","5","10","5","2","9","1") = "9"
    & skf18("3","5","10","5","2","10","1") = "9"
    & skf18("3","5","10","5","3","1","1") = "9"
    & skf18("3","5","10","5","3","2","1") = "9"
    & skf18("3","5","10","5","3","3","1") = "9"
    & skf18("3","5","10","5","3","4","1") = "9"
    & skf18("3","5","10","5","3","5","1") = "9"
    & skf18("3","5","10","5","3","6","1") = "9"
    & skf18("3","5","10","5","3","7","1") = "9"
    & skf18("3","5","10","5","3","8","1") = "9"
    & skf18("3","5","10","5","3","9","1") = "9"
    & skf18("3","5","10","5","3","10","1") = "9"
    & skf18("3","5","10","5","4","1","1") = "9"
    & skf18("3","5","10","5","4","2","1") = "9"
    & skf18("3","5","10","5","4","3","1") = "9"
    & skf18("3","5","10","5","4","4","1") = "9"
    & skf18("3","5","10","5","4","5","1") = "9"
    & skf18("3","5","10","5","4","6","1") = "9"
    & skf18("3","5","10","5","4","7","1") = "9"
    & skf18("3","5","10","5","4","8","1") = "9"
    & skf18("3","5","10","5","4","9","1") = "9"
    & skf18("3","5","10","5","4","10","1") = "9"
    & skf18("3","5","10","5","5","1","1") = "9"
    & skf18("3","5","10","5","5","2","1") = "9"
    & skf18("3","5","10","5","5","3","1") = "9"
    & skf18("3","5","10","5","5","4","1") = "9"
    & skf18("3","5","10","5","5","5","1") = "9"
    & skf18("3","5","10","5","5","6","1") = "9"
    & skf18("3","5","10","5","5","7","1") = "9"
    & skf18("3","5","10","5","5","8","1") = "9"
    & skf18("3","5","10","5","5","9","1") = "9"
    & skf18("3","5","10","5","5","10","1") = "9"
    & skf18("3","5","10","5","6","1","1") = "9"
    & skf18("3","5","10","5","6","2","1") = "9"
    & skf18("3","5","10","5","6","3","1") = "9"
    & skf18("3","5","10","5","6","4","1") = "9"
    & skf18("3","5","10","5","6","5","1") = "9"
    & skf18("3","5","10","5","6","6","1") = "9"
    & skf18("3","5","10","5","6","7","1") = "9"
    & skf18("3","5","10","5","6","8","1") = "9"
    & skf18("3","5","10","5","6","9","1") = "9"
    & skf18("3","5","10","5","6","10","1") = "9"
    & skf18("3","5","10","5","7","1","1") = "9"
    & skf18("3","5","10","5","7","2","1") = "9"
    & skf18("3","5","10","5","7","3","1") = "9"
    & skf18("3","5","10","5","7","4","1") = "9"
    & skf18("3","5","10","5","7","5","1") = "9"
    & skf18("3","5","10","5","7","6","1") = "9"
    & skf18("3","5","10","5","7","7","1") = "9"
    & skf18("3","5","10","5","7","8","1") = "9"
    & skf18("3","5","10","5","7","9","1") = "9"
    & skf18("3","5","10","5","7","10","1") = "9"
    & skf18("3","5","10","5","8","1","1") = "9"
    & skf18("3","5","10","5","8","2","1") = "9"
    & skf18("3","5","10","5","8","3","1") = "9"
    & skf18("3","5","10","5","8","4","1") = "9"
    & skf18("3","5","10","5","8","5","1") = "9"
    & skf18("3","5","10","5","8","6","1") = "9"
    & skf18("3","5","10","5","8","7","1") = "9"
    & skf18("3","5","10","5","8","8","1") = "9"
    & skf18("3","5","10","5","8","9","1") = "9"
    & skf18("3","5","10","5","8","10","1") = "9"
    & skf18("3","5","10","5","9","1","1") = "9"
    & skf18("3","5","10","5","9","2","1") = "9"
    & skf18("3","5","10","5","9","3","1") = "9"
    & skf18("3","5","10","5","9","4","1") = "9"
    & skf18("3","5","10","5","9","5","1") = "9"
    & skf18("3","5","10","5","9","6","1") = "9"
    & skf18("3","5","10","5","9","7","1") = "9"
    & skf18("3","5","10","5","9","8","1") = "9"
    & skf18("3","5","10","5","9","9","1") = "9"
    & skf18("3","5","10","5","9","10","1") = "9"
    & skf18("3","5","10","5","10","1","1") = "9"
    & skf18("3","5","10","5","10","2","1") = "9"
    & skf18("3","5","10","5","10","3","1") = "9"
    & skf18("3","5","10","5","10","4","1") = "9"
    & skf18("3","5","10","5","10","5","1") = "9"
    & skf18("3","5","10","5","10","6","1") = "9"
    & skf18("3","5","10","5","10","7","1") = "9"
    & skf18("3","5","10","5","10","8","1") = "9"
    & skf18("3","5","10","5","10","9","1") = "9"
    & skf18("3","5","10","5","10","10","1") = "9"
    & skf18("3","5","10","6","1","1","1") = "9"
    & skf18("3","5","10","6","1","2","1") = "9"
    & skf18("3","5","10","6","1","3","1") = "9"
    & skf18("3","5","10","6","1","4","1") = "9"
    & skf18("3","5","10","6","1","5","1") = "9"
    & skf18("3","5","10","6","1","6","1") = "9"
    & skf18("3","5","10","6","1","7","1") = "9"
    & skf18("3","5","10","6","1","8","1") = "9"
    & skf18("3","5","10","6","1","9","1") = "9"
    & skf18("3","5","10","6","1","10","1") = "9"
    & skf18("3","5","10","6","2","1","1") = "9"
    & skf18("3","5","10","6","2","2","1") = "9"
    & skf18("3","5","10","6","2","3","1") = "9"
    & skf18("3","5","10","6","2","4","1") = "9"
    & skf18("3","5","10","6","2","5","1") = "9"
    & skf18("3","5","10","6","2","6","1") = "9"
    & skf18("3","5","10","6","2","7","1") = "9"
    & skf18("3","5","10","6","2","8","1") = "9"
    & skf18("3","5","10","6","2","9","1") = "9"
    & skf18("3","5","10","6","2","10","1") = "9"
    & skf18("3","5","10","6","3","1","1") = "9"
    & skf18("3","5","10","6","3","2","1") = "9"
    & skf18("3","5","10","6","3","3","1") = "9"
    & skf18("3","5","10","6","3","4","1") = "9"
    & skf18("3","5","10","6","3","5","1") = "9"
    & skf18("3","5","10","6","3","6","1") = "9"
    & skf18("3","5","10","6","3","7","1") = "9"
    & skf18("3","5","10","6","3","8","1") = "9"
    & skf18("3","5","10","6","3","9","1") = "9"
    & skf18("3","5","10","6","3","10","1") = "9"
    & skf18("3","5","10","6","4","1","1") = "9"
    & skf18("3","5","10","6","4","2","1") = "9"
    & skf18("3","5","10","6","4","3","1") = "9"
    & skf18("3","5","10","6","4","4","1") = "9"
    & skf18("3","5","10","6","4","5","1") = "9"
    & skf18("3","5","10","6","4","6","1") = "9"
    & skf18("3","5","10","6","4","7","1") = "9"
    & skf18("3","5","10","6","4","8","1") = "9"
    & skf18("3","5","10","6","4","9","1") = "9"
    & skf18("3","5","10","6","4","10","1") = "9"
    & skf18("3","5","10","6","5","1","1") = "9"
    & skf18("3","5","10","6","5","2","1") = "9"
    & skf18("3","5","10","6","5","3","1") = "9"
    & skf18("3","5","10","6","5","4","1") = "9"
    & skf18("3","5","10","6","5","5","1") = "9"
    & skf18("3","5","10","6","5","6","1") = "9"
    & skf18("3","5","10","6","5","7","1") = "9"
    & skf18("3","5","10","6","5","8","1") = "9"
    & skf18("3","5","10","6","5","9","1") = "9"
    & skf18("3","5","10","6","5","10","1") = "9"
    & skf18("3","5","10","6","6","1","1") = "9"
    & skf18("3","5","10","6","6","2","1") = "9"
    & skf18("3","5","10","6","6","3","1") = "9"
    & skf18("3","5","10","6","6","4","1") = "9"
    & skf18("3","5","10","6","6","5","1") = "9"
    & skf18("3","5","10","6","6","6","1") = "9"
    & skf18("3","5","10","6","6","7","1") = "9"
    & skf18("3","5","10","6","6","8","1") = "9"
    & skf18("3","5","10","6","6","9","1") = "9"
    & skf18("3","5","10","6","6","10","1") = "9"
    & skf18("3","5","10","6","7","1","1") = "9"
    & skf18("3","5","10","6","7","2","1") = "9"
    & skf18("3","5","10","6","7","3","1") = "9"
    & skf18("3","5","10","6","7","4","1") = "9"
    & skf18("3","5","10","6","7","5","1") = "9"
    & skf18("3","5","10","6","7","6","1") = "9"
    & skf18("3","5","10","6","7","7","1") = "9"
    & skf18("3","5","10","6","7","8","1") = "9"
    & skf18("3","5","10","6","7","9","1") = "9"
    & skf18("3","5","10","6","7","10","1") = "9"
    & skf18("3","5","10","6","8","1","1") = "9"
    & skf18("3","5","10","6","8","2","1") = "9"
    & skf18("3","5","10","6","8","3","1") = "9"
    & skf18("3","5","10","6","8","4","1") = "9"
    & skf18("3","5","10","6","8","5","1") = "9"
    & skf18("3","5","10","6","8","6","1") = "9"
    & skf18("3","5","10","6","8","7","1") = "9"
    & skf18("3","5","10","6","8","8","1") = "9"
    & skf18("3","5","10","6","8","9","1") = "9"
    & skf18("3","5","10","6","8","10","1") = "9"
    & skf18("3","5","10","6","9","1","1") = "9"
    & skf18("3","5","10","6","9","2","1") = "9"
    & skf18("3","5","10","6","9","3","1") = "9"
    & skf18("3","5","10","6","9","4","1") = "9"
    & skf18("3","5","10","6","9","5","1") = "9"
    & skf18("3","5","10","6","9","6","1") = "9"
    & skf18("3","5","10","6","9","7","1") = "9"
    & skf18("3","5","10","6","9","8","1") = "9"
    & skf18("3","5","10","6","9","9","1") = "9"
    & skf18("3","5","10","6","9","10","1") = "9"
    & skf18("3","5","10","6","10","1","1") = "9"
    & skf18("3","5","10","6","10","2","1") = "9"
    & skf18("3","5","10","6","10","3","1") = "9"
    & skf18("3","5","10","6","10","4","1") = "9"
    & skf18("3","5","10","6","10","5","1") = "9"
    & skf18("3","5","10","6","10","6","1") = "9"
    & skf18("3","5","10","6","10","7","1") = "9"
    & skf18("3","5","10","6","10","8","1") = "9"
    & skf18("3","5","10","6","10","9","1") = "9"
    & skf18("3","5","10","6","10","10","1") = "9"
    & skf18("3","5","10","7","1","1","1") = "9"
    & skf18("3","5","10","7","1","2","1") = "9"
    & skf18("3","5","10","7","1","3","1") = "9"
    & skf18("3","5","10","7","1","4","1") = "9"
    & skf18("3","5","10","7","1","5","1") = "9"
    & skf18("3","5","10","7","1","6","1") = "9"
    & skf18("3","5","10","7","1","7","1") = "9"
    & skf18("3","5","10","7","1","8","1") = "9"
    & skf18("3","5","10","7","1","9","1") = "9"
    & skf18("3","5","10","7","1","10","1") = "9"
    & skf18("3","5","10","7","2","1","1") = "9"
    & skf18("3","5","10","7","2","2","1") = "9"
    & skf18("3","5","10","7","2","3","1") = "9"
    & skf18("3","5","10","7","2","4","1") = "9"
    & skf18("3","5","10","7","2","5","1") = "9"
    & skf18("3","5","10","7","2","6","1") = "9"
    & skf18("3","5","10","7","2","7","1") = "9"
    & skf18("3","5","10","7","2","8","1") = "9"
    & skf18("3","5","10","7","2","9","1") = "9"
    & skf18("3","5","10","7","2","10","1") = "9"
    & skf18("3","5","10","7","3","1","1") = "9"
    & skf18("3","5","10","7","3","2","1") = "9"
    & skf18("3","5","10","7","3","3","1") = "9"
    & skf18("3","5","10","7","3","4","1") = "9"
    & skf18("3","5","10","7","3","5","1") = "9"
    & skf18("3","5","10","7","3","6","1") = "9"
    & skf18("3","5","10","7","3","7","1") = "9"
    & skf18("3","5","10","7","3","8","1") = "9"
    & skf18("3","5","10","7","3","9","1") = "9"
    & skf18("3","5","10","7","3","10","1") = "9"
    & skf18("3","5","10","7","4","1","1") = "9"
    & skf18("3","5","10","7","4","2","1") = "9"
    & skf18("3","5","10","7","4","3","1") = "9"
    & skf18("3","5","10","7","4","4","1") = "9"
    & skf18("3","5","10","7","4","5","1") = "9"
    & skf18("3","5","10","7","4","6","1") = "9"
    & skf18("3","5","10","7","4","7","1") = "9"
    & skf18("3","5","10","7","4","8","1") = "9"
    & skf18("3","5","10","7","4","9","1") = "9"
    & skf18("3","5","10","7","4","10","1") = "9"
    & skf18("3","5","10","7","5","1","1") = "9"
    & skf18("3","5","10","7","5","2","1") = "9"
    & skf18("3","5","10","7","5","3","1") = "9"
    & skf18("3","5","10","7","5","4","1") = "9"
    & skf18("3","5","10","7","5","5","1") = "9"
    & skf18("3","5","10","7","5","6","1") = "9"
    & skf18("3","5","10","7","5","7","1") = "9"
    & skf18("3","5","10","7","5","8","1") = "9"
    & skf18("3","5","10","7","5","9","1") = "9"
    & skf18("3","5","10","7","5","10","1") = "9"
    & skf18("3","5","10","7","6","1","1") = "9"
    & skf18("3","5","10","7","6","2","1") = "9"
    & skf18("3","5","10","7","6","3","1") = "9"
    & skf18("3","5","10","7","6","4","1") = "9"
    & skf18("3","5","10","7","6","5","1") = "9"
    & skf18("3","5","10","7","6","6","1") = "9"
    & skf18("3","5","10","7","6","7","1") = "9"
    & skf18("3","5","10","7","6","8","1") = "9"
    & skf18("3","5","10","7","6","9","1") = "9"
    & skf18("3","5","10","7","6","10","1") = "9"
    & skf18("3","5","10","7","7","1","1") = "9"
    & skf18("3","5","10","7","7","2","1") = "9"
    & skf18("3","5","10","7","7","3","1") = "9"
    & skf18("3","5","10","7","7","4","1") = "9"
    & skf18("3","5","10","7","7","5","1") = "9"
    & skf18("3","5","10","7","7","6","1") = "9"
    & skf18("3","5","10","7","7","7","1") = "9"
    & skf18("3","5","10","7","7","8","1") = "9"
    & skf18("3","5","10","7","7","9","1") = "9"
    & skf18("3","5","10","7","7","10","1") = "9"
    & skf18("3","5","10","7","8","1","1") = "9"
    & skf18("3","5","10","7","8","2","1") = "9"
    & skf18("3","5","10","7","8","3","1") = "9"
    & skf18("3","5","10","7","8","4","1") = "9"
    & skf18("3","5","10","7","8","5","1") = "9"
    & skf18("3","5","10","7","8","6","1") = "9"
    & skf18("3","5","10","7","8","7","1") = "9"
    & skf18("3","5","10","7","8","8","1") = "9"
    & skf18("3","5","10","7","8","9","1") = "9"
    & skf18("3","5","10","7","8","10","1") = "9"
    & skf18("3","5","10","7","9","1","1") = "9"
    & skf18("3","5","10","7","9","2","1") = "9"
    & skf18("3","5","10","7","9","3","1") = "9"
    & skf18("3","5","10","7","9","4","1") = "9"
    & skf18("3","5","10","7","9","5","1") = "9"
    & skf18("3","5","10","7","9","6","1") = "9"
    & skf18("3","5","10","7","9","7","1") = "9"
    & skf18("3","5","10","7","9","8","1") = "9"
    & skf18("3","5","10","7","9","9","1") = "9"
    & skf18("3","5","10","7","9","10","1") = "9"
    & skf18("3","5","10","7","10","1","1") = "9"
    & skf18("3","5","10","7","10","2","1") = "9"
    & skf18("3","5","10","7","10","3","1") = "9"
    & skf18("3","5","10","7","10","4","1") = "9"
    & skf18("3","5","10","7","10","5","1") = "9"
    & skf18("3","5","10","7","10","6","1") = "9"
    & skf18("3","5","10","7","10","7","1") = "9"
    & skf18("3","5","10","7","10","8","1") = "9"
    & skf18("3","5","10","7","10","9","1") = "9"
    & skf18("3","5","10","7","10","10","1") = "9"
    & skf18("3","5","10","8","1","1","1") = "9"
    & skf18("3","5","10","8","1","2","1") = "9"
    & skf18("3","5","10","8","1","3","1") = "9"
    & skf18("3","5","10","8","1","4","1") = "9"
    & skf18("3","5","10","8","1","5","1") = "9"
    & skf18("3","5","10","8","1","6","1") = "9"
    & skf18("3","5","10","8","1","7","1") = "9"
    & skf18("3","5","10","8","1","8","1") = "9"
    & skf18("3","5","10","8","1","9","1") = "9"
    & skf18("3","5","10","8","1","10","1") = "9"
    & skf18("3","5","10","8","2","1","1") = "9"
    & skf18("3","5","10","8","2","2","1") = "9"
    & skf18("3","5","10","8","2","3","1") = "9"
    & skf18("3","5","10","8","2","4","1") = "9"
    & skf18("3","5","10","8","2","5","1") = "9"
    & skf18("3","5","10","8","2","6","1") = "9"
    & skf18("3","5","10","8","2","7","1") = "9"
    & skf18("3","5","10","8","2","8","1") = "9"
    & skf18("3","5","10","8","2","9","1") = "9"
    & skf18("3","5","10","8","2","10","1") = "9"
    & skf18("3","5","10","8","3","1","1") = "9"
    & skf18("3","5","10","8","3","2","1") = "9"
    & skf18("3","5","10","8","3","3","1") = "9"
    & skf18("3","5","10","8","3","4","1") = "9"
    & skf18("3","5","10","8","3","5","1") = "9"
    & skf18("3","5","10","8","3","6","1") = "9"
    & skf18("3","5","10","8","3","7","1") = "9"
    & skf18("3","5","10","8","3","8","1") = "9"
    & skf18("3","5","10","8","3","9","1") = "9"
    & skf18("3","5","10","8","3","10","1") = "9"
    & skf18("3","5","10","8","4","1","1") = "9"
    & skf18("3","5","10","8","4","2","1") = "9"
    & skf18("3","5","10","8","4","3","1") = "9"
    & skf18("3","5","10","8","4","4","1") = "9"
    & skf18("3","5","10","8","4","5","1") = "9"
    & skf18("3","5","10","8","4","6","1") = "9"
    & skf18("3","5","10","8","4","7","1") = "9"
    & skf18("3","5","10","8","4","8","1") = "9"
    & skf18("3","5","10","8","4","9","1") = "9"
    & skf18("3","5","10","8","4","10","1") = "9"
    & skf18("3","5","10","8","5","1","1") = "9"
    & skf18("3","5","10","8","5","2","1") = "9"
    & skf18("3","5","10","8","5","3","1") = "9"
    & skf18("3","5","10","8","5","4","1") = "9"
    & skf18("3","5","10","8","5","5","1") = "9"
    & skf18("3","5","10","8","5","6","1") = "9"
    & skf18("3","5","10","8","5","7","1") = "9"
    & skf18("3","5","10","8","5","8","1") = "9"
    & skf18("3","5","10","8","5","9","1") = "9"
    & skf18("3","5","10","8","5","10","1") = "9"
    & skf18("3","5","10","8","6","1","1") = "9"
    & skf18("3","5","10","8","6","2","1") = "9"
    & skf18("3","5","10","8","6","3","1") = "9"
    & skf18("3","5","10","8","6","4","1") = "9"
    & skf18("3","5","10","8","6","5","1") = "9"
    & skf18("3","5","10","8","6","6","1") = "9"
    & skf18("3","5","10","8","6","7","1") = "9"
    & skf18("3","5","10","8","6","8","1") = "9"
    & skf18("3","5","10","8","6","9","1") = "9"
    & skf18("3","5","10","8","6","10","1") = "9"
    & skf18("3","5","10","8","7","1","1") = "9"
    & skf18("3","5","10","8","7","2","1") = "9"
    & skf18("3","5","10","8","7","3","1") = "9"
    & skf18("3","5","10","8","7","4","1") = "9"
    & skf18("3","5","10","8","7","5","1") = "9"
    & skf18("3","5","10","8","7","6","1") = "9"
    & skf18("3","5","10","8","7","7","1") = "9"
    & skf18("3","5","10","8","7","8","1") = "9"
    & skf18("3","5","10","8","7","9","1") = "9"
    & skf18("3","5","10","8","7","10","1") = "9"
    & skf18("3","5","10","8","8","1","1") = "9"
    & skf18("3","5","10","8","8","2","1") = "9"
    & skf18("3","5","10","8","8","3","1") = "9"
    & skf18("3","5","10","8","8","4","1") = "9"
    & skf18("3","5","10","8","8","5","1") = "9"
    & skf18("3","5","10","8","8","6","1") = "9"
    & skf18("3","5","10","8","8","7","1") = "9"
    & skf18("3","5","10","8","8","8","1") = "9"
    & skf18("3","5","10","8","8","9","1") = "9"
    & skf18("3","5","10","8","8","10","1") = "9"
    & skf18("3","5","10","8","9","1","1") = "9"
    & skf18("3","5","10","8","9","2","1") = "9"
    & skf18("3","5","10","8","9","3","1") = "9"
    & skf18("3","5","10","8","9","4","1") = "9"
    & skf18("3","5","10","8","9","5","1") = "9"
    & skf18("3","5","10","8","9","6","1") = "9"
    & skf18("3","5","10","8","9","7","1") = "9"
    & skf18("3","5","10","8","9","8","1") = "9"
    & skf18("3","5","10","8","9","9","1") = "9"
    & skf18("3","5","10","8","9","10","1") = "9"
    & skf18("3","5","10","8","10","1","1") = "9"
    & skf18("3","5","10","8","10","2","1") = "9"
    & skf18("3","5","10","8","10","3","1") = "9"
    & skf18("3","5","10","8","10","4","1") = "9"
    & skf18("3","5","10","8","10","5","1") = "9"
    & skf18("3","5","10","8","10","6","1") = "9"
    & skf18("3","5","10","8","10","7","1") = "9"
    & skf18("3","5","10","8","10","8","1") = "9"
    & skf18("3","5","10","8","10","9","1") = "9"
    & skf18("3","5","10","8","10","10","1") = "9"
    & skf18("3","5","10","9","1","1","1") = "9"
    & skf18("3","5","10","9","1","2","1") = "9"
    & skf18("3","5","10","9","1","3","1") = "9"
    & skf18("3","5","10","9","1","4","1") = "9"
    & skf18("3","5","10","9","1","5","1") = "9"
    & skf18("3","5","10","9","1","6","1") = "9"
    & skf18("3","5","10","9","1","7","1") = "9"
    & skf18("3","5","10","9","1","8","1") = "9"
    & skf18("3","5","10","9","1","9","1") = "9"
    & skf18("3","5","10","9","1","10","1") = "9"
    & skf18("3","5","10","9","2","1","1") = "9"
    & skf18("3","5","10","9","2","2","1") = "9"
    & skf18("3","5","10","9","2","3","1") = "9"
    & skf18("3","5","10","9","2","4","1") = "9"
    & skf18("3","5","10","9","2","5","1") = "9"
    & skf18("3","5","10","9","2","6","1") = "9"
    & skf18("3","5","10","9","2","7","1") = "9"
    & skf18("3","5","10","9","2","8","1") = "9"
    & skf18("3","5","10","9","2","9","1") = "9"
    & skf18("3","5","10","9","2","10","1") = "9"
    & skf18("3","5","10","9","3","1","1") = "9"
    & skf18("3","5","10","9","3","2","1") = "9"
    & skf18("3","5","10","9","3","3","1") = "9"
    & skf18("3","5","10","9","3","4","1") = "9"
    & skf18("3","5","10","9","3","5","1") = "9"
    & skf18("3","5","10","9","3","6","1") = "9"
    & skf18("3","5","10","9","3","7","1") = "9"
    & skf18("3","5","10","9","3","8","1") = "9"
    & skf18("3","5","10","9","3","9","1") = "9"
    & skf18("3","5","10","9","3","10","1") = "9"
    & skf18("3","5","10","9","4","1","1") = "9"
    & skf18("3","5","10","9","4","2","1") = "9"
    & skf18("3","5","10","9","4","3","1") = "9"
    & skf18("3","5","10","9","4","4","1") = "9"
    & skf18("3","5","10","9","4","5","1") = "9"
    & skf18("3","5","10","9","4","6","1") = "9"
    & skf18("3","5","10","9","4","7","1") = "9"
    & skf18("3","5","10","9","4","8","1") = "9"
    & skf18("3","5","10","9","4","9","1") = "9"
    & skf18("3","5","10","9","4","10","1") = "9"
    & skf18("3","5","10","9","5","1","1") = "9"
    & skf18("3","5","10","9","5","2","1") = "9"
    & skf18("3","5","10","9","5","3","1") = "9"
    & skf18("3","5","10","9","5","4","1") = "9"
    & skf18("3","5","10","9","5","5","1") = "9"
    & skf18("3","5","10","9","5","6","1") = "9"
    & skf18("3","5","10","9","5","7","1") = "9"
    & skf18("3","5","10","9","5","8","1") = "9"
    & skf18("3","5","10","9","5","9","1") = "9"
    & skf18("3","5","10","9","5","10","1") = "9"
    & skf18("3","5","10","9","6","1","1") = "9"
    & skf18("3","5","10","9","6","2","1") = "9"
    & skf18("3","5","10","9","6","3","1") = "9"
    & skf18("3","5","10","9","6","4","1") = "9"
    & skf18("3","5","10","9","6","5","1") = "9"
    & skf18("3","5","10","9","6","6","1") = "9"
    & skf18("3","5","10","9","6","7","1") = "9"
    & skf18("3","5","10","9","6","8","1") = "9"
    & skf18("3","5","10","9","6","9","1") = "9"
    & skf18("3","5","10","9","6","10","1") = "9"
    & skf18("3","5","10","9","7","1","1") = "9"
    & skf18("3","5","10","9","7","2","1") = "9"
    & skf18("3","5","10","9","7","3","1") = "9"
    & skf18("3","5","10","9","7","4","1") = "9"
    & skf18("3","5","10","9","7","5","1") = "9"
    & skf18("3","5","10","9","7","6","1") = "9"
    & skf18("3","5","10","9","7","7","1") = "9"
    & skf18("3","5","10","9","7","8","1") = "9"
    & skf18("3","5","10","9","7","9","1") = "9"
    & skf18("3","5","10","9","7","10","1") = "9"
    & skf18("3","5","10","9","8","1","1") = "9"
    & skf18("3","5","10","9","8","2","1") = "9"
    & skf18("3","5","10","9","8","3","1") = "9"
    & skf18("3","5","10","9","8","4","1") = "9"
    & skf18("3","5","10","9","8","5","1") = "9"
    & skf18("3","5","10","9","8","6","1") = "9"
    & skf18("3","5","10","9","8","7","1") = "9"
    & skf18("3","5","10","9","8","8","1") = "9"
    & skf18("3","5","10","9","8","9","1") = "9"
    & skf18("3","5","10","9","8","10","1") = "9"
    & skf18("3","5","10","9","9","1","1") = "9"
    & skf18("3","5","10","9","9","2","1") = "9"
    & skf18("3","5","10","9","9","3","1") = "9"
    & skf18("3","5","10","9","9","4","1") = "9"
    & skf18("3","5","10","9","9","5","1") = "9"
    & skf18("3","5","10","9","9","6","1") = "9"
    & skf18("3","5","10","9","9","7","1") = "9"
    & skf18("3","5","10","9","9","8","1") = "9"
    & skf18("3","5","10","9","9","9","1") = "9"
    & skf18("3","5","10","9","9","10","1") = "9"
    & skf18("3","5","10","9","10","1","1") = "9"
    & skf18("3","5","10","9","10","2","1") = "9"
    & skf18("3","5","10","9","10","3","1") = "9"
    & skf18("3","5","10","9","10","4","1") = "9"
    & skf18("3","5","10","9","10","5","1") = "9"
    & skf18("3","5","10","9","10","6","1") = "9"
    & skf18("3","5","10","9","10","7","1") = "9"
    & skf18("3","5","10","9","10","8","1") = "9"
    & skf18("3","5","10","9","10","9","1") = "9"
    & skf18("3","5","10","9","10","10","1") = "9"
    & skf18("3","5","10","10","1","1","1") = "9"
    & skf18("3","5","10","10","1","2","1") = "9"
    & skf18("3","5","10","10","1","3","1") = "9"
    & skf18("3","5","10","10","1","4","1") = "9"
    & skf18("3","5","10","10","1","5","1") = "9"
    & skf18("3","5","10","10","1","6","1") = "9"
    & skf18("3","5","10","10","1","7","1") = "9"
    & skf18("3","5","10","10","1","8","1") = "9"
    & skf18("3","5","10","10","1","9","1") = "9"
    & skf18("3","5","10","10","1","10","1") = "9"
    & skf18("3","5","10","10","2","1","1") = "9"
    & skf18("3","5","10","10","2","2","1") = "9"
    & skf18("3","5","10","10","2","3","1") = "9"
    & skf18("3","5","10","10","2","4","1") = "9"
    & skf18("3","5","10","10","2","5","1") = "9"
    & skf18("3","5","10","10","2","6","1") = "9"
    & skf18("3","5","10","10","2","7","1") = "9"
    & skf18("3","5","10","10","2","8","1") = "9"
    & skf18("3","5","10","10","2","9","1") = "9"
    & skf18("3","5","10","10","2","10","1") = "9"
    & skf18("3","5","10","10","3","1","1") = "9"
    & skf18("3","5","10","10","3","2","1") = "9"
    & skf18("3","5","10","10","3","3","1") = "9"
    & skf18("3","5","10","10","3","4","1") = "9"
    & skf18("3","5","10","10","3","5","1") = "9"
    & skf18("3","5","10","10","3","6","1") = "9"
    & skf18("3","5","10","10","3","7","1") = "9"
    & skf18("3","5","10","10","3","8","1") = "9"
    & skf18("3","5","10","10","3","9","1") = "9"
    & skf18("3","5","10","10","3","10","1") = "9"
    & skf18("3","5","10","10","4","1","1") = "9"
    & skf18("3","5","10","10","4","2","1") = "9"
    & skf18("3","5","10","10","4","3","1") = "9"
    & skf18("3","5","10","10","4","4","1") = "9"
    & skf18("3","5","10","10","4","5","1") = "9"
    & skf18("3","5","10","10","4","6","1") = "9"
    & skf18("3","5","10","10","4","7","1") = "9"
    & skf18("3","5","10","10","4","8","1") = "9"
    & skf18("3","5","10","10","4","9","1") = "9"
    & skf18("3","5","10","10","4","10","1") = "9"
    & skf18("3","5","10","10","5","1","1") = "9"
    & skf18("3","5","10","10","5","2","1") = "9"
    & skf18("3","5","10","10","5","3","1") = "9"
    & skf18("3","5","10","10","5","4","1") = "9"
    & skf18("3","5","10","10","5","5","1") = "9"
    & skf18("3","5","10","10","5","6","1") = "9"
    & skf18("3","5","10","10","5","7","1") = "9"
    & skf18("3","5","10","10","5","8","1") = "9"
    & skf18("3","5","10","10","5","9","1") = "9"
    & skf18("3","5","10","10","5","10","1") = "9"
    & skf18("3","5","10","10","6","1","1") = "9"
    & skf18("3","5","10","10","6","2","1") = "9"
    & skf18("3","5","10","10","6","3","1") = "9"
    & skf18("3","5","10","10","6","4","1") = "9"
    & skf18("3","5","10","10","6","5","1") = "9"
    & skf18("3","5","10","10","6","6","1") = "9"
    & skf18("3","5","10","10","6","7","1") = "9"
    & skf18("3","5","10","10","6","8","1") = "9"
    & skf18("3","5","10","10","6","9","1") = "9"
    & skf18("3","5","10","10","6","10","1") = "9"
    & skf18("3","5","10","10","7","1","1") = "9"
    & skf18("3","5","10","10","7","2","1") = "9"
    & skf18("3","5","10","10","7","3","1") = "9"
    & skf18("3","5","10","10","7","4","1") = "9"
    & skf18("3","5","10","10","7","5","1") = "9"
    & skf18("3","5","10","10","7","6","1") = "9"
    & skf18("3","5","10","10","7","7","1") = "9"
    & skf18("3","5","10","10","7","8","1") = "9"
    & skf18("3","5","10","10","7","9","1") = "9"
    & skf18("3","5","10","10","7","10","1") = "9"
    & skf18("3","5","10","10","8","1","1") = "9"
    & skf18("3","5","10","10","8","2","1") = "9"
    & skf18("3","5","10","10","8","3","1") = "9"
    & skf18("3","5","10","10","8","4","1") = "9"
    & skf18("3","5","10","10","8","5","1") = "9"
    & skf18("3","5","10","10","8","6","1") = "9"
    & skf18("3","5","10","10","8","7","1") = "9"
    & skf18("3","5","10","10","8","8","1") = "9"
    & skf18("3","5","10","10","8","9","1") = "9"
    & skf18("3","5","10","10","8","10","1") = "9"
    & skf18("3","5","10","10","9","1","1") = "9"
    & skf18("3","5","10","10","9","2","1") = "9"
    & skf18("3","5","10","10","9","3","1") = "9"
    & skf18("3","5","10","10","9","4","1") = "9"
    & skf18("3","5","10","10","9","5","1") = "9"
    & skf18("3","5","10","10","9","6","1") = "9"
    & skf18("3","5","10","10","9","7","1") = "9"
    & skf18("3","5","10","10","9","8","1") = "9"
    & skf18("3","5","10","10","9","9","1") = "9"
    & skf18("3","5","10","10","9","10","1") = "9"
    & skf18("3","5","10","10","10","1","1") = "9"
    & skf18("3","5","10","10","10","2","1") = "9"
    & skf18("3","5","10","10","10","3","1") = "9"
    & skf18("3","5","10","10","10","4","1") = "9"
    & skf18("3","5","10","10","10","5","1") = "9"
    & skf18("3","5","10","10","10","6","1") = "9"
    & skf18("3","5","10","10","10","7","1") = "9"
    & skf18("3","5","10","10","10","8","1") = "9"
    & skf18("3","5","10","10","10","9","1") = "9"
    & skf18("3","5","10","10","10","10","1") = "9"
    & skf18("3","6","1","1","1","1","1") = "5"
    & skf18("3","6","1","1","1","2","1") = "5"
    & skf18("3","6","1","1","1","3","1") = "5"
    & skf18("3","6","1","1","1","4","1") = "5"
    & skf18("3","6","1","1","1","5","1") = "5"
    & skf18("3","6","1","1","1","6","1") = "5"
    & skf18("3","6","1","1","1","7","1") = "6"
    & skf18("3","6","1","1","1","8","1") = "7"
    & skf18("3","6","1","1","1","9","1") = "8"
    & skf18("3","6","1","1","1","10","1") = "9"
    & skf18("3","6","1","1","2","1","1") = "5"
    & skf18("3","6","1","1","2","2","1") = "5"
    & skf18("3","6","1","1","2","3","1") = "5"
    & skf18("3","6","1","1","2","4","1") = "5"
    & skf18("3","6","1","1","2","5","1") = "5"
    & skf18("3","6","1","1","2","6","1") = "5"
    & skf18("3","6","1","1","2","7","1") = "6"
    & skf18("3","6","1","1","2","8","1") = "7"
    & skf18("3","6","1","1","2","9","1") = "8"
    & skf18("3","6","1","1","2","10","1") = "9"
    & skf18("3","6","1","1","3","1","1") = "5"
    & skf18("3","6","1","1","3","2","1") = "5"
    & skf18("3","6","1","1","3","3","1") = "5"
    & skf18("3","6","1","1","3","4","1") = "5"
    & skf18("3","6","1","1","3","5","1") = "5"
    & skf18("3","6","1","1","3","6","1") = "5"
    & skf18("3","6","1","1","3","7","1") = "6"
    & skf18("3","6","1","1","3","8","1") = "7"
    & skf18("3","6","1","1","3","9","1") = "8"
    & skf18("3","6","1","1","3","10","1") = "9"
    & skf18("3","6","1","1","4","1","1") = "5"
    & skf18("3","6","1","1","4","2","1") = "5"
    & skf18("3","6","1","1","4","3","1") = "5"
    & skf18("3","6","1","1","4","4","1") = "5"
    & skf18("3","6","1","1","4","5","1") = "5"
    & skf18("3","6","1","1","4","6","1") = "5"
    & skf18("3","6","1","1","4","7","1") = "6"
    & skf18("3","6","1","1","4","8","1") = "7"
    & skf18("3","6","1","1","4","9","1") = "8"
    & skf18("3","6","1","1","4","10","1") = "9"
    & skf18("3","6","1","1","5","1","1") = "5"
    & skf18("3","6","1","1","5","2","1") = "5"
    & skf18("3","6","1","1","5","3","1") = "5"
    & skf18("3","6","1","1","5","4","1") = "5"
    & skf18("3","6","1","1","5","5","1") = "5"
    & skf18("3","6","1","1","5","6","1") = "5"
    & skf18("3","6","1","1","5","7","1") = "6"
    & skf18("3","6","1","1","5","8","1") = "7"
    & skf18("3","6","1","1","5","9","1") = "8"
    & skf18("3","6","1","1","5","10","1") = "9"
    & skf18("3","6","1","1","6","1","1") = "5"
    & skf18("3","6","1","1","6","2","1") = "5"
    & skf18("3","6","1","1","6","3","1") = "5"
    & skf18("3","6","1","1","6","4","1") = "5"
    & skf18("3","6","1","1","6","5","1") = "5"
    & skf18("3","6","1","1","6","6","1") = "5"
    & skf18("3","6","1","1","6","7","1") = "6"
    & skf18("3","6","1","1","6","8","1") = "7"
    & skf18("3","6","1","1","6","9","1") = "8"
    & skf18("3","6","1","1","6","10","1") = "9"
    & skf18("3","6","1","1","7","1","1") = "6"
    & skf18("3","6","1","1","7","2","1") = "6"
    & skf18("3","6","1","1","7","3","1") = "6"
    & skf18("3","6","1","1","7","4","1") = "6"
    & skf18("3","6","1","1","7","5","1") = "6"
    & skf18("3","6","1","1","7","6","1") = "6"
    & skf18("3","6","1","1","7","7","1") = "6"
    & skf18("3","6","1","1","7","8","1") = "7"
    & skf18("3","6","1","1","7","9","1") = "8"
    & skf18("3","6","1","1","7","10","1") = "9"
    & skf18("3","6","1","1","8","1","1") = "7"
    & skf18("3","6","1","1","8","2","1") = "7"
    & skf18("3","6","1","1","8","3","1") = "7"
    & skf18("3","6","1","1","8","4","1") = "7"
    & skf18("3","6","1","1","8","5","1") = "7"
    & skf18("3","6","1","1","8","6","1") = "7"
    & skf18("3","6","1","1","8","7","1") = "7"
    & skf18("3","6","1","1","8","8","1") = "7"
    & skf18("3","6","1","1","8","9","1") = "8"
    & skf18("3","6","1","1","8","10","1") = "9"
    & skf18("3","6","1","1","9","1","1") = "8"
    & skf18("3","6","1","1","9","2","1") = "8"
    & skf18("3","6","1","1","9","3","1") = "8"
    & skf18("3","6","1","1","9","4","1") = "8"
    & skf18("3","6","1","1","9","5","1") = "8"
    & skf18("3","6","1","1","9","6","1") = "8"
    & skf18("3","6","1","1","9","7","1") = "8"
    & skf18("3","6","1","1","9","8","1") = "8"
    & skf18("3","6","1","1","9","9","1") = "8"
    & skf18("3","6","1","1","9","10","1") = "9"
    & skf18("3","6","1","1","10","1","1") = "9"
    & skf18("3","6","1","1","10","2","1") = "9"
    & skf18("3","6","1","1","10","3","1") = "9"
    & skf18("3","6","1","1","10","4","1") = "9"
    & skf18("3","6","1","1","10","5","1") = "9"
    & skf18("3","6","1","1","10","6","1") = "9"
    & skf18("3","6","1","1","10","7","1") = "9"
    & skf18("3","6","1","1","10","8","1") = "9"
    & skf18("3","6","1","1","10","9","1") = "9"
    & skf18("3","6","1","1","10","10","1") = "9"
    & skf18("3","6","1","2","1","1","1") = "5"
    & skf18("3","6","1","2","1","2","1") = "5"
    & skf18("3","6","1","2","1","3","1") = "5"
    & skf18("3","6","1","2","1","4","1") = "5"
    & skf18("3","6","1","2","1","5","1") = "5"
    & skf18("3","6","1","2","1","6","1") = "5"
    & skf18("3","6","1","2","1","7","1") = "6"
    & skf18("3","6","1","2","1","8","1") = "7"
    & skf18("3","6","1","2","1","9","1") = "8"
    & skf18("3","6","1","2","1","10","1") = "9"
    & skf18("3","6","1","2","2","1","1") = "5"
    & skf18("3","6","1","2","2","2","1") = "5"
    & skf18("3","6","1","2","2","3","1") = "5"
    & skf18("3","6","1","2","2","4","1") = "5"
    & skf18("3","6","1","2","2","5","1") = "5"
    & skf18("3","6","1","2","2","6","1") = "5"
    & skf18("3","6","1","2","2","7","1") = "6"
    & skf18("3","6","1","2","2","8","1") = "7"
    & skf18("3","6","1","2","2","9","1") = "8"
    & skf18("3","6","1","2","2","10","1") = "9"
    & skf18("3","6","1","2","3","1","1") = "5"
    & skf18("3","6","1","2","3","2","1") = "5"
    & skf18("3","6","1","2","3","3","1") = "5"
    & skf18("3","6","1","2","3","4","1") = "5"
    & skf18("3","6","1","2","3","5","1") = "5"
    & skf18("3","6","1","2","3","6","1") = "5"
    & skf18("3","6","1","2","3","7","1") = "6"
    & skf18("3","6","1","2","3","8","1") = "7"
    & skf18("3","6","1","2","3","9","1") = "8"
    & skf18("3","6","1","2","3","10","1") = "9"
    & skf18("3","6","1","2","4","1","1") = "5"
    & skf18("3","6","1","2","4","2","1") = "5"
    & skf18("3","6","1","2","4","3","1") = "5"
    & skf18("3","6","1","2","4","4","1") = "5"
    & skf18("3","6","1","2","4","5","1") = "5"
    & skf18("3","6","1","2","4","6","1") = "5"
    & skf18("3","6","1","2","4","7","1") = "6"
    & skf18("3","6","1","2","4","8","1") = "7"
    & skf18("3","6","1","2","4","9","1") = "8"
    & skf18("3","6","1","2","4","10","1") = "9"
    & skf18("3","6","1","2","5","1","1") = "5"
    & skf18("3","6","1","2","5","2","1") = "5"
    & skf18("3","6","1","2","5","3","1") = "5"
    & skf18("3","6","1","2","5","4","1") = "5"
    & skf18("3","6","1","2","5","5","1") = "5"
    & skf18("3","6","1","2","5","6","1") = "5"
    & skf18("3","6","1","2","5","7","1") = "6"
    & skf18("3","6","1","2","5","8","1") = "7"
    & skf18("3","6","1","2","5","9","1") = "8"
    & skf18("3","6","1","2","5","10","1") = "9"
    & skf18("3","6","1","2","6","1","1") = "5"
    & skf18("3","6","1","2","6","2","1") = "5"
    & skf18("3","6","1","2","6","3","1") = "5"
    & skf18("3","6","1","2","6","4","1") = "5"
    & skf18("3","6","1","2","6","5","1") = "5"
    & skf18("3","6","1","2","6","6","1") = "5"
    & skf18("3","6","1","2","6","7","1") = "6"
    & skf18("3","6","1","2","6","8","1") = "7"
    & skf18("3","6","1","2","6","9","1") = "8"
    & skf18("3","6","1","2","6","10","1") = "9"
    & skf18("3","6","1","2","7","1","1") = "6"
    & skf18("3","6","1","2","7","2","1") = "6"
    & skf18("3","6","1","2","7","3","1") = "6"
    & skf18("3","6","1","2","7","4","1") = "6"
    & skf18("3","6","1","2","7","5","1") = "6"
    & skf18("3","6","1","2","7","6","1") = "6"
    & skf18("3","6","1","2","7","7","1") = "6"
    & skf18("3","6","1","2","7","8","1") = "7"
    & skf18("3","6","1","2","7","9","1") = "8"
    & skf18("3","6","1","2","7","10","1") = "9"
    & skf18("3","6","1","2","8","1","1") = "7"
    & skf18("3","6","1","2","8","2","1") = "7"
    & skf18("3","6","1","2","8","3","1") = "7"
    & skf18("3","6","1","2","8","4","1") = "7"
    & skf18("3","6","1","2","8","5","1") = "7"
    & skf18("3","6","1","2","8","6","1") = "7"
    & skf18("3","6","1","2","8","7","1") = "7"
    & skf18("3","6","1","2","8","8","1") = "7"
    & skf18("3","6","1","2","8","9","1") = "8"
    & skf18("3","6","1","2","8","10","1") = "9"
    & skf18("3","6","1","2","9","1","1") = "8"
    & skf18("3","6","1","2","9","2","1") = "8"
    & skf18("3","6","1","2","9","3","1") = "8"
    & skf18("3","6","1","2","9","4","1") = "8"
    & skf18("3","6","1","2","9","5","1") = "8"
    & skf18("3","6","1","2","9","6","1") = "8"
    & skf18("3","6","1","2","9","7","1") = "8"
    & skf18("3","6","1","2","9","8","1") = "8"
    & skf18("3","6","1","2","9","9","1") = "8"
    & skf18("3","6","1","2","9","10","1") = "9"
    & skf18("3","6","1","2","10","1","1") = "9"
    & skf18("3","6","1","2","10","2","1") = "9"
    & skf18("3","6","1","2","10","3","1") = "9"
    & skf18("3","6","1","2","10","4","1") = "9"
    & skf18("3","6","1","2","10","5","1") = "9"
    & skf18("3","6","1","2","10","6","1") = "9"
    & skf18("3","6","1","2","10","7","1") = "9"
    & skf18("3","6","1","2","10","8","1") = "9"
    & skf18("3","6","1","2","10","9","1") = "9"
    & skf18("3","6","1","2","10","10","1") = "9"
    & skf18("3","6","1","3","1","1","1") = "5"
    & skf18("3","6","1","3","1","2","1") = "5"
    & skf18("3","6","1","3","1","3","1") = "5"
    & skf18("3","6","1","3","1","4","1") = "5"
    & skf18("3","6","1","3","1","5","1") = "5"
    & skf18("3","6","1","3","1","6","1") = "5"
    & skf18("3","6","1","3","1","7","1") = "6"
    & skf18("3","6","1","3","1","8","1") = "7"
    & skf18("3","6","1","3","1","9","1") = "8"
    & skf18("3","6","1","3","1","10","1") = "9"
    & skf18("3","6","1","3","2","1","1") = "5"
    & skf18("3","6","1","3","2","2","1") = "5"
    & skf18("3","6","1","3","2","3","1") = "5"
    & skf18("3","6","1","3","2","4","1") = "5"
    & skf18("3","6","1","3","2","5","1") = "5"
    & skf18("3","6","1","3","2","6","1") = "5"
    & skf18("3","6","1","3","2","7","1") = "6"
    & skf18("3","6","1","3","2","8","1") = "7"
    & skf18("3","6","1","3","2","9","1") = "8"
    & skf18("3","6","1","3","2","10","1") = "9"
    & skf18("3","6","1","3","3","1","1") = "5"
    & skf18("3","6","1","3","3","2","1") = "5"
    & skf18("3","6","1","3","3","3","1") = "5"
    & skf18("3","6","1","3","3","4","1") = "5"
    & skf18("3","6","1","3","3","5","1") = "5"
    & skf18("3","6","1","3","3","6","1") = "5"
    & skf18("3","6","1","3","3","7","1") = "6"
    & skf18("3","6","1","3","3","8","1") = "7"
    & skf18("3","6","1","3","3","9","1") = "8"
    & skf18("3","6","1","3","3","10","1") = "9"
    & skf18("3","6","1","3","4","1","1") = "5"
    & skf18("3","6","1","3","4","2","1") = "5"
    & skf18("3","6","1","3","4","3","1") = "5"
    & skf18("3","6","1","3","4","4","1") = "5"
    & skf18("3","6","1","3","4","5","1") = "5"
    & skf18("3","6","1","3","4","6","1") = "5"
    & skf18("3","6","1","3","4","7","1") = "6"
    & skf18("3","6","1","3","4","8","1") = "7"
    & skf18("3","6","1","3","4","9","1") = "8"
    & skf18("3","6","1","3","4","10","1") = "9"
    & skf18("3","6","1","3","5","1","1") = "5"
    & skf18("3","6","1","3","5","2","1") = "5"
    & skf18("3","6","1","3","5","3","1") = "5"
    & skf18("3","6","1","3","5","4","1") = "5"
    & skf18("3","6","1","3","5","5","1") = "5"
    & skf18("3","6","1","3","5","6","1") = "5"
    & skf18("3","6","1","3","5","7","1") = "6"
    & skf18("3","6","1","3","5","8","1") = "7"
    & skf18("3","6","1","3","5","9","1") = "8"
    & skf18("3","6","1","3","5","10","1") = "9"
    & skf18("3","6","1","3","6","1","1") = "5"
    & skf18("3","6","1","3","6","2","1") = "5"
    & skf18("3","6","1","3","6","3","1") = "5"
    & skf18("3","6","1","3","6","4","1") = "5"
    & skf18("3","6","1","3","6","5","1") = "5"
    & skf18("3","6","1","3","6","6","1") = "5"
    & skf18("3","6","1","3","6","7","1") = "6"
    & skf18("3","6","1","3","6","8","1") = "7"
    & skf18("3","6","1","3","6","9","1") = "8"
    & skf18("3","6","1","3","6","10","1") = "9"
    & skf18("3","6","1","3","7","1","1") = "6"
    & skf18("3","6","1","3","7","2","1") = "6"
    & skf18("3","6","1","3","7","3","1") = "6"
    & skf18("3","6","1","3","7","4","1") = "6"
    & skf18("3","6","1","3","7","5","1") = "6"
    & skf18("3","6","1","3","7","6","1") = "6"
    & skf18("3","6","1","3","7","7","1") = "6"
    & skf18("3","6","1","3","7","8","1") = "7"
    & skf18("3","6","1","3","7","9","1") = "8"
    & skf18("3","6","1","3","7","10","1") = "9"
    & skf18("3","6","1","3","8","1","1") = "7"
    & skf18("3","6","1","3","8","2","1") = "7"
    & skf18("3","6","1","3","8","3","1") = "7"
    & skf18("3","6","1","3","8","4","1") = "7"
    & skf18("3","6","1","3","8","5","1") = "7"
    & skf18("3","6","1","3","8","6","1") = "7"
    & skf18("3","6","1","3","8","7","1") = "7"
    & skf18("3","6","1","3","8","8","1") = "7"
    & skf18("3","6","1","3","8","9","1") = "8"
    & skf18("3","6","1","3","8","10","1") = "9"
    & skf18("3","6","1","3","9","1","1") = "8"
    & skf18("3","6","1","3","9","2","1") = "8"
    & skf18("3","6","1","3","9","3","1") = "8"
    & skf18("3","6","1","3","9","4","1") = "8"
    & skf18("3","6","1","3","9","5","1") = "8"
    & skf18("3","6","1","3","9","6","1") = "8"
    & skf18("3","6","1","3","9","7","1") = "8"
    & skf18("3","6","1","3","9","8","1") = "8"
    & skf18("3","6","1","3","9","9","1") = "8"
    & skf18("3","6","1","3","9","10","1") = "9"
    & skf18("3","6","1","3","10","1","1") = "9"
    & skf18("3","6","1","3","10","2","1") = "9"
    & skf18("3","6","1","3","10","3","1") = "9"
    & skf18("3","6","1","3","10","4","1") = "9"
    & skf18("3","6","1","3","10","5","1") = "9"
    & skf18("3","6","1","3","10","6","1") = "9"
    & skf18("3","6","1","3","10","7","1") = "9"
    & skf18("3","6","1","3","10","8","1") = "9"
    & skf18("3","6","1","3","10","9","1") = "9"
    & skf18("3","6","1","3","10","10","1") = "9"
    & skf18("3","6","1","4","1","1","1") = "5"
    & skf18("3","6","1","4","1","2","1") = "5"
    & skf18("3","6","1","4","1","3","1") = "5"
    & skf18("3","6","1","4","1","4","1") = "5"
    & skf18("3","6","1","4","1","5","1") = "5"
    & skf18("3","6","1","4","1","6","1") = "5"
    & skf18("3","6","1","4","1","7","1") = "6"
    & skf18("3","6","1","4","1","8","1") = "7"
    & skf18("3","6","1","4","1","9","1") = "8"
    & skf18("3","6","1","4","1","10","1") = "9"
    & skf18("3","6","1","4","2","1","1") = "5"
    & skf18("3","6","1","4","2","2","1") = "5"
    & skf18("3","6","1","4","2","3","1") = "5"
    & skf18("3","6","1","4","2","4","1") = "5"
    & skf18("3","6","1","4","2","5","1") = "5"
    & skf18("3","6","1","4","2","6","1") = "5"
    & skf18("3","6","1","4","2","7","1") = "6"
    & skf18("3","6","1","4","2","8","1") = "7"
    & skf18("3","6","1","4","2","9","1") = "8"
    & skf18("3","6","1","4","2","10","1") = "9"
    & skf18("3","6","1","4","3","1","1") = "5"
    & skf18("3","6","1","4","3","2","1") = "5"
    & skf18("3","6","1","4","3","3","1") = "5"
    & skf18("3","6","1","4","3","4","1") = "5"
    & skf18("3","6","1","4","3","5","1") = "5"
    & skf18("3","6","1","4","3","6","1") = "5"
    & skf18("3","6","1","4","3","7","1") = "6"
    & skf18("3","6","1","4","3","8","1") = "7"
    & skf18("3","6","1","4","3","9","1") = "8"
    & skf18("3","6","1","4","3","10","1") = "9"
    & skf18("3","6","1","4","4","1","1") = "5"
    & skf18("3","6","1","4","4","2","1") = "5"
    & skf18("3","6","1","4","4","3","1") = "5"
    & skf18("3","6","1","4","4","4","1") = "5"
    & skf18("3","6","1","4","4","5","1") = "5"
    & skf18("3","6","1","4","4","6","1") = "5"
    & skf18("3","6","1","4","4","7","1") = "6"
    & skf18("3","6","1","4","4","8","1") = "7"
    & skf18("3","6","1","4","4","9","1") = "8"
    & skf18("3","6","1","4","4","10","1") = "9"
    & skf18("3","6","1","4","5","1","1") = "5"
    & skf18("3","6","1","4","5","2","1") = "5"
    & skf18("3","6","1","4","5","3","1") = "5"
    & skf18("3","6","1","4","5","4","1") = "5"
    & skf18("3","6","1","4","5","5","1") = "5"
    & skf18("3","6","1","4","5","6","1") = "5"
    & skf18("3","6","1","4","5","7","1") = "6"
    & skf18("3","6","1","4","5","8","1") = "7"
    & skf18("3","6","1","4","5","9","1") = "8"
    & skf18("3","6","1","4","5","10","1") = "9"
    & skf18("3","6","1","4","6","1","1") = "5"
    & skf18("3","6","1","4","6","2","1") = "5"
    & skf18("3","6","1","4","6","3","1") = "5"
    & skf18("3","6","1","4","6","4","1") = "5"
    & skf18("3","6","1","4","6","5","1") = "5"
    & skf18("3","6","1","4","6","6","1") = "5"
    & skf18("3","6","1","4","6","7","1") = "6"
    & skf18("3","6","1","4","6","8","1") = "7"
    & skf18("3","6","1","4","6","9","1") = "8"
    & skf18("3","6","1","4","6","10","1") = "9"
    & skf18("3","6","1","4","7","1","1") = "6"
    & skf18("3","6","1","4","7","2","1") = "6"
    & skf18("3","6","1","4","7","3","1") = "6"
    & skf18("3","6","1","4","7","4","1") = "6"
    & skf18("3","6","1","4","7","5","1") = "6"
    & skf18("3","6","1","4","7","6","1") = "6"
    & skf18("3","6","1","4","7","7","1") = "6"
    & skf18("3","6","1","4","7","8","1") = "7"
    & skf18("3","6","1","4","7","9","1") = "8"
    & skf18("3","6","1","4","7","10","1") = "9"
    & skf18("3","6","1","4","8","1","1") = "7"
    & skf18("3","6","1","4","8","2","1") = "7"
    & skf18("3","6","1","4","8","3","1") = "7"
    & skf18("3","6","1","4","8","4","1") = "7"
    & skf18("3","6","1","4","8","5","1") = "7"
    & skf18("3","6","1","4","8","6","1") = "7"
    & skf18("3","6","1","4","8","7","1") = "7"
    & skf18("3","6","1","4","8","8","1") = "7"
    & skf18("3","6","1","4","8","9","1") = "8"
    & skf18("3","6","1","4","8","10","1") = "9"
    & skf18("3","6","1","4","9","1","1") = "8"
    & skf18("3","6","1","4","9","2","1") = "8"
    & skf18("3","6","1","4","9","3","1") = "8"
    & skf18("3","6","1","4","9","4","1") = "8"
    & skf18("3","6","1","4","9","5","1") = "8"
    & skf18("3","6","1","4","9","6","1") = "8"
    & skf18("3","6","1","4","9","7","1") = "8"
    & skf18("3","6","1","4","9","8","1") = "8"
    & skf18("3","6","1","4","9","9","1") = "8"
    & skf18("3","6","1","4","9","10","1") = "9"
    & skf18("3","6","1","4","10","1","1") = "9"
    & skf18("3","6","1","4","10","2","1") = "9"
    & skf18("3","6","1","4","10","3","1") = "9"
    & skf18("3","6","1","4","10","4","1") = "9"
    & skf18("3","6","1","4","10","5","1") = "9"
    & skf18("3","6","1","4","10","6","1") = "9"
    & skf18("3","6","1","4","10","7","1") = "9"
    & skf18("3","6","1","4","10","8","1") = "9"
    & skf18("3","6","1","4","10","9","1") = "9"
    & skf18("3","6","1","4","10","10","1") = "9"
    & skf18("3","6","1","5","1","1","1") = "5"
    & skf18("3","6","1","5","1","2","1") = "5"
    & skf18("3","6","1","5","1","3","1") = "5"
    & skf18("3","6","1","5","1","4","1") = "5"
    & skf18("3","6","1","5","1","5","1") = "5"
    & skf18("3","6","1","5","1","6","1") = "5"
    & skf18("3","6","1","5","1","7","1") = "6"
    & skf18("3","6","1","5","1","8","1") = "7"
    & skf18("3","6","1","5","1","9","1") = "8"
    & skf18("3","6","1","5","1","10","1") = "9"
    & skf18("3","6","1","5","2","1","1") = "5"
    & skf18("3","6","1","5","2","2","1") = "5"
    & skf18("3","6","1","5","2","3","1") = "5"
    & skf18("3","6","1","5","2","4","1") = "5"
    & skf18("3","6","1","5","2","5","1") = "5"
    & skf18("3","6","1","5","2","6","1") = "5"
    & skf18("3","6","1","5","2","7","1") = "6"
    & skf18("3","6","1","5","2","8","1") = "7"
    & skf18("3","6","1","5","2","9","1") = "8"
    & skf18("3","6","1","5","2","10","1") = "9"
    & skf18("3","6","1","5","3","1","1") = "5"
    & skf18("3","6","1","5","3","2","1") = "5"
    & skf18("3","6","1","5","3","3","1") = "5"
    & skf18("3","6","1","5","3","4","1") = "5"
    & skf18("3","6","1","5","3","5","1") = "5"
    & skf18("3","6","1","5","3","6","1") = "5"
    & skf18("3","6","1","5","3","7","1") = "6"
    & skf18("3","6","1","5","3","8","1") = "7"
    & skf18("3","6","1","5","3","9","1") = "8"
    & skf18("3","6","1","5","3","10","1") = "9"
    & skf18("3","6","1","5","4","1","1") = "5"
    & skf18("3","6","1","5","4","2","1") = "5"
    & skf18("3","6","1","5","4","3","1") = "5"
    & skf18("3","6","1","5","4","4","1") = "5"
    & skf18("3","6","1","5","4","5","1") = "5"
    & skf18("3","6","1","5","4","6","1") = "5"
    & skf18("3","6","1","5","4","7","1") = "6"
    & skf18("3","6","1","5","4","8","1") = "7"
    & skf18("3","6","1","5","4","9","1") = "8"
    & skf18("3","6","1","5","4","10","1") = "9"
    & skf18("3","6","1","5","5","1","1") = "5"
    & skf18("3","6","1","5","5","2","1") = "5"
    & skf18("3","6","1","5","5","3","1") = "5"
    & skf18("3","6","1","5","5","4","1") = "5"
    & skf18("3","6","1","5","5","5","1") = "5"
    & skf18("3","6","1","5","5","6","1") = "5"
    & skf18("3","6","1","5","5","7","1") = "6"
    & skf18("3","6","1","5","5","8","1") = "7"
    & skf18("3","6","1","5","5","9","1") = "8"
    & skf18("3","6","1","5","5","10","1") = "9"
    & skf18("3","6","1","5","6","1","1") = "5"
    & skf18("3","6","1","5","6","2","1") = "5"
    & skf18("3","6","1","5","6","3","1") = "5"
    & skf18("3","6","1","5","6","4","1") = "5"
    & skf18("3","6","1","5","6","5","1") = "5"
    & skf18("3","6","1","5","6","6","1") = "5"
    & skf18("3","6","1","5","6","7","1") = "6"
    & skf18("3","6","1","5","6","8","1") = "7"
    & skf18("3","6","1","5","6","9","1") = "8"
    & skf18("3","6","1","5","6","10","1") = "9"
    & skf18("3","6","1","5","7","1","1") = "6"
    & skf18("3","6","1","5","7","2","1") = "6"
    & skf18("3","6","1","5","7","3","1") = "6"
    & skf18("3","6","1","5","7","4","1") = "6"
    & skf18("3","6","1","5","7","5","1") = "6"
    & skf18("3","6","1","5","7","6","1") = "6"
    & skf18("3","6","1","5","7","7","1") = "6"
    & skf18("3","6","1","5","7","8","1") = "7"
    & skf18("3","6","1","5","7","9","1") = "8"
    & skf18("3","6","1","5","7","10","1") = "9"
    & skf18("3","6","1","5","8","1","1") = "7"
    & skf18("3","6","1","5","8","2","1") = "7"
    & skf18("3","6","1","5","8","3","1") = "7"
    & skf18("3","6","1","5","8","4","1") = "7"
    & skf18("3","6","1","5","8","5","1") = "7"
    & skf18("3","6","1","5","8","6","1") = "7"
    & skf18("3","6","1","5","8","7","1") = "7"
    & skf18("3","6","1","5","8","8","1") = "7"
    & skf18("3","6","1","5","8","9","1") = "8"
    & skf18("3","6","1","5","8","10","1") = "9"
    & skf18("3","6","1","5","9","1","1") = "8"
    & skf18("3","6","1","5","9","2","1") = "8"
    & skf18("3","6","1","5","9","3","1") = "8"
    & skf18("3","6","1","5","9","4","1") = "8"
    & skf18("3","6","1","5","9","5","1") = "8"
    & skf18("3","6","1","5","9","6","1") = "8"
    & skf18("3","6","1","5","9","7","1") = "8"
    & skf18("3","6","1","5","9","8","1") = "8"
    & skf18("3","6","1","5","9","9","1") = "8"
    & skf18("3","6","1","5","9","10","1") = "9"
    & skf18("3","6","1","5","10","1","1") = "9"
    & skf18("3","6","1","5","10","2","1") = "9"
    & skf18("3","6","1","5","10","3","1") = "9"
    & skf18("3","6","1","5","10","4","1") = "9"
    & skf18("3","6","1","5","10","5","1") = "9"
    & skf18("3","6","1","5","10","6","1") = "9"
    & skf18("3","6","1","5","10","7","1") = "9"
    & skf18("3","6","1","5","10","8","1") = "9"
    & skf18("3","6","1","5","10","9","1") = "9"
    & skf18("3","6","1","5","10","10","1") = "9"
    & skf18("3","6","1","6","1","1","1") = "5"
    & skf18("3","6","1","6","1","2","1") = "5"
    & skf18("3","6","1","6","1","3","1") = "5"
    & skf18("3","6","1","6","1","4","1") = "5"
    & skf18("3","6","1","6","1","5","1") = "5"
    & skf18("3","6","1","6","1","6","1") = "5"
    & skf18("3","6","1","6","1","7","1") = "6"
    & skf18("3","6","1","6","1","8","1") = "7"
    & skf18("3","6","1","6","1","9","1") = "8"
    & skf18("3","6","1","6","1","10","1") = "9"
    & skf18("3","6","1","6","2","1","1") = "5"
    & skf18("3","6","1","6","2","2","1") = "5"
    & skf18("3","6","1","6","2","3","1") = "5"
    & skf18("3","6","1","6","2","4","1") = "5"
    & skf18("3","6","1","6","2","5","1") = "5"
    & skf18("3","6","1","6","2","6","1") = "5"
    & skf18("3","6","1","6","2","7","1") = "6"
    & skf18("3","6","1","6","2","8","1") = "7"
    & skf18("3","6","1","6","2","9","1") = "8"
    & skf18("3","6","1","6","2","10","1") = "9"
    & skf18("3","6","1","6","3","1","1") = "5"
    & skf18("3","6","1","6","3","2","1") = "5"
    & skf18("3","6","1","6","3","3","1") = "5"
    & skf18("3","6","1","6","3","4","1") = "5"
    & skf18("3","6","1","6","3","5","1") = "5"
    & skf18("3","6","1","6","3","6","1") = "5"
    & skf18("3","6","1","6","3","7","1") = "6"
    & skf18("3","6","1","6","3","8","1") = "7"
    & skf18("3","6","1","6","3","9","1") = "8"
    & skf18("3","6","1","6","3","10","1") = "9"
    & skf18("3","6","1","6","4","1","1") = "5"
    & skf18("3","6","1","6","4","2","1") = "5"
    & skf18("3","6","1","6","4","3","1") = "5"
    & skf18("3","6","1","6","4","4","1") = "5"
    & skf18("3","6","1","6","4","5","1") = "5"
    & skf18("3","6","1","6","4","6","1") = "5"
    & skf18("3","6","1","6","4","7","1") = "6"
    & skf18("3","6","1","6","4","8","1") = "7"
    & skf18("3","6","1","6","4","9","1") = "8"
    & skf18("3","6","1","6","4","10","1") = "9"
    & skf18("3","6","1","6","5","1","1") = "5"
    & skf18("3","6","1","6","5","2","1") = "5"
    & skf18("3","6","1","6","5","3","1") = "5"
    & skf18("3","6","1","6","5","4","1") = "5"
    & skf18("3","6","1","6","5","5","1") = "5"
    & skf18("3","6","1","6","5","6","1") = "5"
    & skf18("3","6","1","6","5","7","1") = "6"
    & skf18("3","6","1","6","5","8","1") = "7"
    & skf18("3","6","1","6","5","9","1") = "8"
    & skf18("3","6","1","6","5","10","1") = "9"
    & skf18("3","6","1","6","6","1","1") = "5"
    & skf18("3","6","1","6","6","2","1") = "5"
    & skf18("3","6","1","6","6","3","1") = "5"
    & skf18("3","6","1","6","6","4","1") = "5"
    & skf18("3","6","1","6","6","5","1") = "5"
    & skf18("3","6","1","6","6","6","1") = "5"
    & skf18("3","6","1","6","6","7","1") = "6"
    & skf18("3","6","1","6","6","8","1") = "7"
    & skf18("3","6","1","6","6","9","1") = "8"
    & skf18("3","6","1","6","6","10","1") = "9"
    & skf18("3","6","1","6","7","1","1") = "6"
    & skf18("3","6","1","6","7","2","1") = "6"
    & skf18("3","6","1","6","7","3","1") = "6"
    & skf18("3","6","1","6","7","4","1") = "6"
    & skf18("3","6","1","6","7","5","1") = "6"
    & skf18("3","6","1","6","7","6","1") = "6"
    & skf18("3","6","1","6","7","7","1") = "6"
    & skf18("3","6","1","6","7","8","1") = "7"
    & skf18("3","6","1","6","7","9","1") = "8"
    & skf18("3","6","1","6","7","10","1") = "9"
    & skf18("3","6","1","6","8","1","1") = "7"
    & skf18("3","6","1","6","8","2","1") = "7"
    & skf18("3","6","1","6","8","3","1") = "7"
    & skf18("3","6","1","6","8","4","1") = "7"
    & skf18("3","6","1","6","8","5","1") = "7"
    & skf18("3","6","1","6","8","6","1") = "7"
    & skf18("3","6","1","6","8","7","1") = "7"
    & skf18("3","6","1","6","8","8","1") = "7"
    & skf18("3","6","1","6","8","9","1") = "8"
    & skf18("3","6","1","6","8","10","1") = "9"
    & skf18("3","6","1","6","9","1","1") = "8"
    & skf18("3","6","1","6","9","2","1") = "8"
    & skf18("3","6","1","6","9","3","1") = "8"
    & skf18("3","6","1","6","9","4","1") = "8"
    & skf18("3","6","1","6","9","5","1") = "8"
    & skf18("3","6","1","6","9","6","1") = "8"
    & skf18("3","6","1","6","9","7","1") = "8"
    & skf18("3","6","1","6","9","8","1") = "8"
    & skf18("3","6","1","6","9","9","1") = "8"
    & skf18("3","6","1","6","9","10","1") = "9"
    & skf18("3","6","1","6","10","1","1") = "9"
    & skf18("3","6","1","6","10","2","1") = "9"
    & skf18("3","6","1","6","10","3","1") = "9"
    & skf18("3","6","1","6","10","4","1") = "9"
    & skf18("3","6","1","6","10","5","1") = "9"
    & skf18("3","6","1","6","10","6","1") = "9"
    & skf18("3","6","1","6","10","7","1") = "9"
    & skf18("3","6","1","6","10","8","1") = "9"
    & skf18("3","6","1","6","10","9","1") = "9"
    & skf18("3","6","1","6","10","10","1") = "9"
    & skf18("3","6","1","7","1","1","1") = "6"
    & skf18("3","6","1","7","1","2","1") = "6"
    & skf18("3","6","1","7","1","3","1") = "6"
    & skf18("3","6","1","7","1","4","1") = "6"
    & skf18("3","6","1","7","1","5","1") = "6"
    & skf18("3","6","1","7","1","6","1") = "6"
    & skf18("3","6","1","7","1","7","1") = "6"
    & skf18("3","6","1","7","1","8","1") = "7"
    & skf18("3","6","1","7","1","9","1") = "8"
    & skf18("3","6","1","7","1","10","1") = "9"
    & skf18("3","6","1","7","2","1","1") = "6"
    & skf18("3","6","1","7","2","2","1") = "6"
    & skf18("3","6","1","7","2","3","1") = "6"
    & skf18("3","6","1","7","2","4","1") = "6"
    & skf18("3","6","1","7","2","5","1") = "6"
    & skf18("3","6","1","7","2","6","1") = "6"
    & skf18("3","6","1","7","2","7","1") = "6"
    & skf18("3","6","1","7","2","8","1") = "7"
    & skf18("3","6","1","7","2","9","1") = "8"
    & skf18("3","6","1","7","2","10","1") = "9"
    & skf18("3","6","1","7","3","1","1") = "6"
    & skf18("3","6","1","7","3","2","1") = "6"
    & skf18("3","6","1","7","3","3","1") = "6"
    & skf18("3","6","1","7","3","4","1") = "6"
    & skf18("3","6","1","7","3","5","1") = "6"
    & skf18("3","6","1","7","3","6","1") = "6"
    & skf18("3","6","1","7","3","7","1") = "6"
    & skf18("3","6","1","7","3","8","1") = "7"
    & skf18("3","6","1","7","3","9","1") = "8"
    & skf18("3","6","1","7","3","10","1") = "9"
    & skf18("3","6","1","7","4","1","1") = "6"
    & skf18("3","6","1","7","4","2","1") = "6"
    & skf18("3","6","1","7","4","3","1") = "6"
    & skf18("3","6","1","7","4","4","1") = "6"
    & skf18("3","6","1","7","4","5","1") = "6"
    & skf18("3","6","1","7","4","6","1") = "6"
    & skf18("3","6","1","7","4","7","1") = "6"
    & skf18("3","6","1","7","4","8","1") = "7"
    & skf18("3","6","1","7","4","9","1") = "8"
    & skf18("3","6","1","7","4","10","1") = "9"
    & skf18("3","6","1","7","5","1","1") = "6"
    & skf18("3","6","1","7","5","2","1") = "6"
    & skf18("3","6","1","7","5","3","1") = "6"
    & skf18("3","6","1","7","5","4","1") = "6"
    & skf18("3","6","1","7","5","5","1") = "6"
    & skf18("3","6","1","7","5","6","1") = "6"
    & skf18("3","6","1","7","5","7","1") = "6"
    & skf18("3","6","1","7","5","8","1") = "7"
    & skf18("3","6","1","7","5","9","1") = "8"
    & skf18("3","6","1","7","5","10","1") = "9"
    & skf18("3","6","1","7","6","1","1") = "6"
    & skf18("3","6","1","7","6","2","1") = "6"
    & skf18("3","6","1","7","6","3","1") = "6"
    & skf18("3","6","1","7","6","4","1") = "6"
    & skf18("3","6","1","7","6","5","1") = "6"
    & skf18("3","6","1","7","6","6","1") = "6"
    & skf18("3","6","1","7","6","7","1") = "6"
    & skf18("3","6","1","7","6","8","1") = "7"
    & skf18("3","6","1","7","6","9","1") = "8"
    & skf18("3","6","1","7","6","10","1") = "9"
    & skf18("3","6","1","7","7","1","1") = "6"
    & skf18("3","6","1","7","7","2","1") = "6"
    & skf18("3","6","1","7","7","3","1") = "6"
    & skf18("3","6","1","7","7","4","1") = "6"
    & skf18("3","6","1","7","7","5","1") = "6"
    & skf18("3","6","1","7","7","6","1") = "6"
    & skf18("3","6","1","7","7","7","1") = "6"
    & skf18("3","6","1","7","7","8","1") = "7"
    & skf18("3","6","1","7","7","9","1") = "8"
    & skf18("3","6","1","7","7","10","1") = "9"
    & skf18("3","6","1","7","8","1","1") = "7"
    & skf18("3","6","1","7","8","2","1") = "7"
    & skf18("3","6","1","7","8","3","1") = "7"
    & skf18("3","6","1","7","8","4","1") = "7"
    & skf18("3","6","1","7","8","5","1") = "7"
    & skf18("3","6","1","7","8","6","1") = "7"
    & skf18("3","6","1","7","8","7","1") = "7"
    & skf18("3","6","1","7","8","8","1") = "7"
    & skf18("3","6","1","7","8","9","1") = "8"
    & skf18("3","6","1","7","8","10","1") = "9"
    & skf18("3","6","1","7","9","1","1") = "8"
    & skf18("3","6","1","7","9","2","1") = "8"
    & skf18("3","6","1","7","9","3","1") = "8"
    & skf18("3","6","1","7","9","4","1") = "8"
    & skf18("3","6","1","7","9","5","1") = "8"
    & skf18("3","6","1","7","9","6","1") = "8"
    & skf18("3","6","1","7","9","7","1") = "8"
    & skf18("3","6","1","7","9","8","1") = "8"
    & skf18("3","6","1","7","9","9","1") = "8"
    & skf18("3","6","1","7","9","10","1") = "9"
    & skf18("3","6","1","7","10","1","1") = "9"
    & skf18("3","6","1","7","10","2","1") = "9"
    & skf18("3","6","1","7","10","3","1") = "9"
    & skf18("3","6","1","7","10","4","1") = "9"
    & skf18("3","6","1","7","10","5","1") = "9"
    & skf18("3","6","1","7","10","6","1") = "9"
    & skf18("3","6","1","7","10","7","1") = "9"
    & skf18("3","6","1","7","10","8","1") = "9"
    & skf18("3","6","1","7","10","9","1") = "9"
    & skf18("3","6","1","7","10","10","1") = "9"
    & skf18("3","6","1","8","1","1","1") = "7"
    & skf18("3","6","1","8","1","2","1") = "7"
    & skf18("3","6","1","8","1","3","1") = "7"
    & skf18("3","6","1","8","1","4","1") = "7"
    & skf18("3","6","1","8","1","5","1") = "7"
    & skf18("3","6","1","8","1","6","1") = "7"
    & skf18("3","6","1","8","1","7","1") = "7"
    & skf18("3","6","1","8","1","8","1") = "7"
    & skf18("3","6","1","8","1","9","1") = "8"
    & skf18("3","6","1","8","1","10","1") = "9"
    & skf18("3","6","1","8","2","1","1") = "7"
    & skf18("3","6","1","8","2","2","1") = "7"
    & skf18("3","6","1","8","2","3","1") = "7"
    & skf18("3","6","1","8","2","4","1") = "7"
    & skf18("3","6","1","8","2","5","1") = "7"
    & skf18("3","6","1","8","2","6","1") = "7"
    & skf18("3","6","1","8","2","7","1") = "7"
    & skf18("3","6","1","8","2","8","1") = "7"
    & skf18("3","6","1","8","2","9","1") = "8"
    & skf18("3","6","1","8","2","10","1") = "9"
    & skf18("3","6","1","8","3","1","1") = "7"
    & skf18("3","6","1","8","3","2","1") = "7"
    & skf18("3","6","1","8","3","3","1") = "7"
    & skf18("3","6","1","8","3","4","1") = "7"
    & skf18("3","6","1","8","3","5","1") = "7"
    & skf18("3","6","1","8","3","6","1") = "7"
    & skf18("3","6","1","8","3","7","1") = "7"
    & skf18("3","6","1","8","3","8","1") = "7"
    & skf18("3","6","1","8","3","9","1") = "8"
    & skf18("3","6","1","8","3","10","1") = "9"
    & skf18("3","6","1","8","4","1","1") = "7"
    & skf18("3","6","1","8","4","2","1") = "7"
    & skf18("3","6","1","8","4","3","1") = "7"
    & skf18("3","6","1","8","4","4","1") = "7"
    & skf18("3","6","1","8","4","5","1") = "7"
    & skf18("3","6","1","8","4","6","1") = "7"
    & skf18("3","6","1","8","4","7","1") = "7"
    & skf18("3","6","1","8","4","8","1") = "7"
    & skf18("3","6","1","8","4","9","1") = "8"
    & skf18("3","6","1","8","4","10","1") = "9"
    & skf18("3","6","1","8","5","1","1") = "7"
    & skf18("3","6","1","8","5","2","1") = "7"
    & skf18("3","6","1","8","5","3","1") = "7"
    & skf18("3","6","1","8","5","4","1") = "7"
    & skf18("3","6","1","8","5","5","1") = "7"
    & skf18("3","6","1","8","5","6","1") = "7"
    & skf18("3","6","1","8","5","7","1") = "7"
    & skf18("3","6","1","8","5","8","1") = "7"
    & skf18("3","6","1","8","5","9","1") = "8"
    & skf18("3","6","1","8","5","10","1") = "9"
    & skf18("3","6","1","8","6","1","1") = "7"
    & skf18("3","6","1","8","6","2","1") = "7"
    & skf18("3","6","1","8","6","3","1") = "7"
    & skf18("3","6","1","8","6","4","1") = "7"
    & skf18("3","6","1","8","6","5","1") = "7"
    & skf18("3","6","1","8","6","6","1") = "7"
    & skf18("3","6","1","8","6","7","1") = "7"
    & skf18("3","6","1","8","6","8","1") = "7"
    & skf18("3","6","1","8","6","9","1") = "8"
    & skf18("3","6","1","8","6","10","1") = "9"
    & skf18("3","6","1","8","7","1","1") = "7"
    & skf18("3","6","1","8","7","2","1") = "7"
    & skf18("3","6","1","8","7","3","1") = "7"
    & skf18("3","6","1","8","7","4","1") = "7"
    & skf18("3","6","1","8","7","5","1") = "7"
    & skf18("3","6","1","8","7","6","1") = "7"
    & skf18("3","6","1","8","7","7","1") = "7"
    & skf18("3","6","1","8","7","8","1") = "7"
    & skf18("3","6","1","8","7","9","1") = "8"
    & skf18("3","6","1","8","7","10","1") = "9"
    & skf18("3","6","1","8","8","1","1") = "7"
    & skf18("3","6","1","8","8","2","1") = "7"
    & skf18("3","6","1","8","8","3","1") = "7"
    & skf18("3","6","1","8","8","4","1") = "7"
    & skf18("3","6","1","8","8","5","1") = "7"
    & skf18("3","6","1","8","8","6","1") = "7"
    & skf18("3","6","1","8","8","7","1") = "7"
    & skf18("3","6","1","8","8","8","1") = "7"
    & skf18("3","6","1","8","8","9","1") = "8"
    & skf18("3","6","1","8","8","10","1") = "9"
    & skf18("3","6","1","8","9","1","1") = "8"
    & skf18("3","6","1","8","9","2","1") = "8"
    & skf18("3","6","1","8","9","3","1") = "8"
    & skf18("3","6","1","8","9","4","1") = "8"
    & skf18("3","6","1","8","9","5","1") = "8"
    & skf18("3","6","1","8","9","6","1") = "8"
    & skf18("3","6","1","8","9","7","1") = "8"
    & skf18("3","6","1","8","9","8","1") = "8"
    & skf18("3","6","1","8","9","9","1") = "8"
    & skf18("3","6","1","8","9","10","1") = "9"
    & skf18("3","6","1","8","10","1","1") = "9"
    & skf18("3","6","1","8","10","2","1") = "9"
    & skf18("3","6","1","8","10","3","1") = "9"
    & skf18("3","6","1","8","10","4","1") = "9"
    & skf18("3","6","1","8","10","5","1") = "9"
    & skf18("3","6","1","8","10","6","1") = "9"
    & skf18("3","6","1","8","10","7","1") = "9"
    & skf18("3","6","1","8","10","8","1") = "9"
    & skf18("3","6","1","8","10","9","1") = "9"
    & skf18("3","6","1","8","10","10","1") = "9"
    & skf18("3","6","1","9","1","1","1") = "8"
    & skf18("3","6","1","9","1","2","1") = "8"
    & skf18("3","6","1","9","1","3","1") = "8"
    & skf18("3","6","1","9","1","4","1") = "8"
    & skf18("3","6","1","9","1","5","1") = "8"
    & skf18("3","6","1","9","1","6","1") = "8"
    & skf18("3","6","1","9","1","7","1") = "8"
    & skf18("3","6","1","9","1","8","1") = "8"
    & skf18("3","6","1","9","1","9","1") = "8"
    & skf18("3","6","1","9","1","10","1") = "9"
    & skf18("3","6","1","9","2","1","1") = "8"
    & skf18("3","6","1","9","2","2","1") = "8"
    & skf18("3","6","1","9","2","3","1") = "8"
    & skf18("3","6","1","9","2","4","1") = "8"
    & skf18("3","6","1","9","2","5","1") = "8"
    & skf18("3","6","1","9","2","6","1") = "8"
    & skf18("3","6","1","9","2","7","1") = "8"
    & skf18("3","6","1","9","2","8","1") = "8"
    & skf18("3","6","1","9","2","9","1") = "8"
    & skf18("3","6","1","9","2","10","1") = "9"
    & skf18("3","6","1","9","3","1","1") = "8"
    & skf18("3","6","1","9","3","2","1") = "8"
    & skf18("3","6","1","9","3","3","1") = "8"
    & skf18("3","6","1","9","3","4","1") = "8"
    & skf18("3","6","1","9","3","5","1") = "8"
    & skf18("3","6","1","9","3","6","1") = "8"
    & skf18("3","6","1","9","3","7","1") = "8"
    & skf18("3","6","1","9","3","8","1") = "8"
    & skf18("3","6","1","9","3","9","1") = "8"
    & skf18("3","6","1","9","3","10","1") = "9"
    & skf18("3","6","1","9","4","1","1") = "8"
    & skf18("3","6","1","9","4","2","1") = "8"
    & skf18("3","6","1","9","4","3","1") = "8"
    & skf18("3","6","1","9","4","4","1") = "8"
    & skf18("3","6","1","9","4","5","1") = "8"
    & skf18("3","6","1","9","4","6","1") = "8"
    & skf18("3","6","1","9","4","7","1") = "8"
    & skf18("3","6","1","9","4","8","1") = "8"
    & skf18("3","6","1","9","4","9","1") = "8"
    & skf18("3","6","1","9","4","10","1") = "9"
    & skf18("3","6","1","9","5","1","1") = "8"
    & skf18("3","6","1","9","5","2","1") = "8"
    & skf18("3","6","1","9","5","3","1") = "8"
    & skf18("3","6","1","9","5","4","1") = "8"
    & skf18("3","6","1","9","5","5","1") = "8"
    & skf18("3","6","1","9","5","6","1") = "8"
    & skf18("3","6","1","9","5","7","1") = "8"
    & skf18("3","6","1","9","5","8","1") = "8"
    & skf18("3","6","1","9","5","9","1") = "8"
    & skf18("3","6","1","9","5","10","1") = "9"
    & skf18("3","6","1","9","6","1","1") = "8"
    & skf18("3","6","1","9","6","2","1") = "8"
    & skf18("3","6","1","9","6","3","1") = "8"
    & skf18("3","6","1","9","6","4","1") = "8"
    & skf18("3","6","1","9","6","5","1") = "8"
    & skf18("3","6","1","9","6","6","1") = "8"
    & skf18("3","6","1","9","6","7","1") = "8"
    & skf18("3","6","1","9","6","8","1") = "8"
    & skf18("3","6","1","9","6","9","1") = "8"
    & skf18("3","6","1","9","6","10","1") = "9"
    & skf18("3","6","1","9","7","1","1") = "8"
    & skf18("3","6","1","9","7","2","1") = "8"
    & skf18("3","6","1","9","7","3","1") = "8"
    & skf18("3","6","1","9","7","4","1") = "8"
    & skf18("3","6","1","9","7","5","1") = "8"
    & skf18("3","6","1","9","7","6","1") = "8"
    & skf18("3","6","1","9","7","7","1") = "8"
    & skf18("3","6","1","9","7","8","1") = "8"
    & skf18("3","6","1","9","7","9","1") = "8"
    & skf18("3","6","1","9","7","10","1") = "9"
    & skf18("3","6","1","9","8","1","1") = "8"
    & skf18("3","6","1","9","8","2","1") = "8"
    & skf18("3","6","1","9","8","3","1") = "8"
    & skf18("3","6","1","9","8","4","1") = "8"
    & skf18("3","6","1","9","8","5","1") = "8"
    & skf18("3","6","1","9","8","6","1") = "8"
    & skf18("3","6","1","9","8","7","1") = "8"
    & skf18("3","6","1","9","8","8","1") = "8"
    & skf18("3","6","1","9","8","9","1") = "8"
    & skf18("3","6","1","9","8","10","1") = "9"
    & skf18("3","6","1","9","9","1","1") = "8"
    & skf18("3","6","1","9","9","2","1") = "8"
    & skf18("3","6","1","9","9","3","1") = "8"
    & skf18("3","6","1","9","9","4","1") = "8"
    & skf18("3","6","1","9","9","5","1") = "8"
    & skf18("3","6","1","9","9","6","1") = "8"
    & skf18("3","6","1","9","9","7","1") = "8"
    & skf18("3","6","1","9","9","8","1") = "8"
    & skf18("3","6","1","9","9","9","1") = "8"
    & skf18("3","6","1","9","9","10","1") = "9"
    & skf18("3","6","1","9","10","1","1") = "9"
    & skf18("3","6","1","9","10","2","1") = "9"
    & skf18("3","6","1","9","10","3","1") = "9"
    & skf18("3","6","1","9","10","4","1") = "9"
    & skf18("3","6","1","9","10","5","1") = "9"
    & skf18("3","6","1","9","10","6","1") = "9"
    & skf18("3","6","1","9","10","7","1") = "9"
    & skf18("3","6","1","9","10","8","1") = "9"
    & skf18("3","6","1","9","10","9","1") = "9"
    & skf18("3","6","1","9","10","10","1") = "9"
    & skf18("3","6","1","10","1","1","1") = "9"
    & skf18("3","6","1","10","1","2","1") = "9"
    & skf18("3","6","1","10","1","3","1") = "9"
    & skf18("3","6","1","10","1","4","1") = "9"
    & skf18("3","6","1","10","1","5","1") = "9"
    & skf18("3","6","1","10","1","6","1") = "9"
    & skf18("3","6","1","10","1","7","1") = "9"
    & skf18("3","6","1","10","1","8","1") = "9"
    & skf18("3","6","1","10","1","9","1") = "9"
    & skf18("3","6","1","10","1","10","1") = "9"
    & skf18("3","6","1","10","2","1","1") = "9"
    & skf18("3","6","1","10","2","2","1") = "9"
    & skf18("3","6","1","10","2","3","1") = "9"
    & skf18("3","6","1","10","2","4","1") = "9"
    & skf18("3","6","1","10","2","5","1") = "9"
    & skf18("3","6","1","10","2","6","1") = "9"
    & skf18("3","6","1","10","2","7","1") = "9"
    & skf18("3","6","1","10","2","8","1") = "9"
    & skf18("3","6","1","10","2","9","1") = "9"
    & skf18("3","6","1","10","2","10","1") = "9"
    & skf18("3","6","1","10","3","1","1") = "9"
    & skf18("3","6","1","10","3","2","1") = "9"
    & skf18("3","6","1","10","3","3","1") = "9"
    & skf18("3","6","1","10","3","4","1") = "9"
    & skf18("3","6","1","10","3","5","1") = "9"
    & skf18("3","6","1","10","3","6","1") = "9"
    & skf18("3","6","1","10","3","7","1") = "9"
    & skf18("3","6","1","10","3","8","1") = "9"
    & skf18("3","6","1","10","3","9","1") = "9"
    & skf18("3","6","1","10","3","10","1") = "9"
    & skf18("3","6","1","10","4","1","1") = "9"
    & skf18("3","6","1","10","4","2","1") = "9"
    & skf18("3","6","1","10","4","3","1") = "9"
    & skf18("3","6","1","10","4","4","1") = "9"
    & skf18("3","6","1","10","4","5","1") = "9"
    & skf18("3","6","1","10","4","6","1") = "9"
    & skf18("3","6","1","10","4","7","1") = "9"
    & skf18("3","6","1","10","4","8","1") = "9"
    & skf18("3","6","1","10","4","9","1") = "9"
    & skf18("3","6","1","10","4","10","1") = "9"
    & skf18("3","6","1","10","5","1","1") = "9"
    & skf18("3","6","1","10","5","2","1") = "9"
    & skf18("3","6","1","10","5","3","1") = "9"
    & skf18("3","6","1","10","5","4","1") = "9"
    & skf18("3","6","1","10","5","5","1") = "9"
    & skf18("3","6","1","10","5","6","1") = "9"
    & skf18("3","6","1","10","5","7","1") = "9"
    & skf18("3","6","1","10","5","8","1") = "9"
    & skf18("3","6","1","10","5","9","1") = "9"
    & skf18("3","6","1","10","5","10","1") = "9"
    & skf18("3","6","1","10","6","1","1") = "9"
    & skf18("3","6","1","10","6","2","1") = "9"
    & skf18("3","6","1","10","6","3","1") = "9"
    & skf18("3","6","1","10","6","4","1") = "9"
    & skf18("3","6","1","10","6","5","1") = "9"
    & skf18("3","6","1","10","6","6","1") = "9"
    & skf18("3","6","1","10","6","7","1") = "9"
    & skf18("3","6","1","10","6","8","1") = "9"
    & skf18("3","6","1","10","6","9","1") = "9"
    & skf18("3","6","1","10","6","10","1") = "9"
    & skf18("3","6","1","10","7","1","1") = "9"
    & skf18("3","6","1","10","7","2","1") = "9"
    & skf18("3","6","1","10","7","3","1") = "9"
    & skf18("3","6","1","10","7","4","1") = "9"
    & skf18("3","6","1","10","7","5","1") = "9"
    & skf18("3","6","1","10","7","6","1") = "9"
    & skf18("3","6","1","10","7","7","1") = "9"
    & skf18("3","6","1","10","7","8","1") = "9"
    & skf18("3","6","1","10","7","9","1") = "9"
    & skf18("3","6","1","10","7","10","1") = "9"
    & skf18("3","6","1","10","8","1","1") = "9"
    & skf18("3","6","1","10","8","2","1") = "9"
    & skf18("3","6","1","10","8","3","1") = "9"
    & skf18("3","6","1","10","8","4","1") = "9"
    & skf18("3","6","1","10","8","5","1") = "9"
    & skf18("3","6","1","10","8","6","1") = "9"
    & skf18("3","6","1","10","8","7","1") = "9"
    & skf18("3","6","1","10","8","8","1") = "9"
    & skf18("3","6","1","10","8","9","1") = "9"
    & skf18("3","6","1","10","8","10","1") = "9"
    & skf18("3","6","1","10","9","1","1") = "9"
    & skf18("3","6","1","10","9","2","1") = "9"
    & skf18("3","6","1","10","9","3","1") = "9"
    & skf18("3","6","1","10","9","4","1") = "9"
    & skf18("3","6","1","10","9","5","1") = "9"
    & skf18("3","6","1","10","9","6","1") = "9"
    & skf18("3","6","1","10","9","7","1") = "9"
    & skf18("3","6","1","10","9","8","1") = "9"
    & skf18("3","6","1","10","9","9","1") = "9"
    & skf18("3","6","1","10","9","10","1") = "9"
    & skf18("3","6","1","10","10","1","1") = "9"
    & skf18("3","6","1","10","10","2","1") = "9"
    & skf18("3","6","1","10","10","3","1") = "9"
    & skf18("3","6","1","10","10","4","1") = "9"
    & skf18("3","6","1","10","10","5","1") = "9"
    & skf18("3","6","1","10","10","6","1") = "9"
    & skf18("3","6","1","10","10","7","1") = "9"
    & skf18("3","6","1","10","10","8","1") = "9"
    & skf18("3","6","1","10","10","9","1") = "9"
    & skf18("3","6","1","10","10","10","1") = "9"
    & skf18("3","6","2","1","1","1","1") = "5"
    & skf18("3","6","2","1","1","2","1") = "5"
    & skf18("3","6","2","1","1","3","1") = "5"
    & skf18("3","6","2","1","1","4","1") = "5"
    & skf18("3","6","2","1","1","5","1") = "5"
    & skf18("3","6","2","1","1","6","1") = "5"
    & skf18("3","6","2","1","1","7","1") = "6"
    & skf18("3","6","2","1","1","8","1") = "7"
    & skf18("3","6","2","1","1","9","1") = "8"
    & skf18("3","6","2","1","1","10","1") = "9"
    & skf18("3","6","2","1","2","1","1") = "5"
    & skf18("3","6","2","1","2","2","1") = "5"
    & skf18("3","6","2","1","2","3","1") = "5"
    & skf18("3","6","2","1","2","4","1") = "5"
    & skf18("3","6","2","1","2","5","1") = "5"
    & skf18("3","6","2","1","2","6","1") = "5"
    & skf18("3","6","2","1","2","7","1") = "6"
    & skf18("3","6","2","1","2","8","1") = "7"
    & skf18("3","6","2","1","2","9","1") = "8"
    & skf18("3","6","2","1","2","10","1") = "9"
    & skf18("3","6","2","1","3","1","1") = "5"
    & skf18("3","6","2","1","3","2","1") = "5"
    & skf18("3","6","2","1","3","3","1") = "5"
    & skf18("3","6","2","1","3","4","1") = "5"
    & skf18("3","6","2","1","3","5","1") = "5"
    & skf18("3","6","2","1","3","6","1") = "5"
    & skf18("3","6","2","1","3","7","1") = "6"
    & skf18("3","6","2","1","3","8","1") = "7"
    & skf18("3","6","2","1","3","9","1") = "8"
    & skf18("3","6","2","1","3","10","1") = "9"
    & skf18("3","6","2","1","4","1","1") = "5"
    & skf18("3","6","2","1","4","2","1") = "5"
    & skf18("3","6","2","1","4","3","1") = "5"
    & skf18("3","6","2","1","4","4","1") = "5"
    & skf18("3","6","2","1","4","5","1") = "5"
    & skf18("3","6","2","1","4","6","1") = "5"
    & skf18("3","6","2","1","4","7","1") = "6"
    & skf18("3","6","2","1","4","8","1") = "7"
    & skf18("3","6","2","1","4","9","1") = "8"
    & skf18("3","6","2","1","4","10","1") = "9"
    & skf18("3","6","2","1","5","1","1") = "5"
    & skf18("3","6","2","1","5","2","1") = "5"
    & skf18("3","6","2","1","5","3","1") = "5"
    & skf18("3","6","2","1","5","4","1") = "5"
    & skf18("3","6","2","1","5","5","1") = "5"
    & skf18("3","6","2","1","5","6","1") = "5"
    & skf18("3","6","2","1","5","7","1") = "6"
    & skf18("3","6","2","1","5","8","1") = "7"
    & skf18("3","6","2","1","5","9","1") = "8"
    & skf18("3","6","2","1","5","10","1") = "9"
    & skf18("3","6","2","1","6","1","1") = "5"
    & skf18("3","6","2","1","6","2","1") = "5"
    & skf18("3","6","2","1","6","3","1") = "5"
    & skf18("3","6","2","1","6","4","1") = "5"
    & skf18("3","6","2","1","6","5","1") = "5"
    & skf18("3","6","2","1","6","6","1") = "5"
    & skf18("3","6","2","1","6","7","1") = "6"
    & skf18("3","6","2","1","6","8","1") = "7"
    & skf18("3","6","2","1","6","9","1") = "8"
    & skf18("3","6","2","1","6","10","1") = "9"
    & skf18("3","6","2","1","7","1","1") = "6"
    & skf18("3","6","2","1","7","2","1") = "6"
    & skf18("3","6","2","1","7","3","1") = "6"
    & skf18("3","6","2","1","7","4","1") = "6"
    & skf18("3","6","2","1","7","5","1") = "6"
    & skf18("3","6","2","1","7","6","1") = "6"
    & skf18("3","6","2","1","7","7","1") = "6"
    & skf18("3","6","2","1","7","8","1") = "7"
    & skf18("3","6","2","1","7","9","1") = "8"
    & skf18("3","6","2","1","7","10","1") = "9"
    & skf18("3","6","2","1","8","1","1") = "7"
    & skf18("3","6","2","1","8","2","1") = "7"
    & skf18("3","6","2","1","8","3","1") = "7"
    & skf18("3","6","2","1","8","4","1") = "7"
    & skf18("3","6","2","1","8","5","1") = "7"
    & skf18("3","6","2","1","8","6","1") = "7"
    & skf18("3","6","2","1","8","7","1") = "7"
    & skf18("3","6","2","1","8","8","1") = "7"
    & skf18("3","6","2","1","8","9","1") = "8"
    & skf18("3","6","2","1","8","10","1") = "9"
    & skf18("3","6","2","1","9","1","1") = "8"
    & skf18("3","6","2","1","9","2","1") = "8"
    & skf18("3","6","2","1","9","3","1") = "8"
    & skf18("3","6","2","1","9","4","1") = "8"
    & skf18("3","6","2","1","9","5","1") = "8"
    & skf18("3","6","2","1","9","6","1") = "8"
    & skf18("3","6","2","1","9","7","1") = "8"
    & skf18("3","6","2","1","9","8","1") = "8"
    & skf18("3","6","2","1","9","9","1") = "8"
    & skf18("3","6","2","1","9","10","1") = "9"
    & skf18("3","6","2","1","10","1","1") = "9"
    & skf18("3","6","2","1","10","2","1") = "9"
    & skf18("3","6","2","1","10","3","1") = "9"
    & skf18("3","6","2","1","10","4","1") = "9"
    & skf18("3","6","2","1","10","5","1") = "9"
    & skf18("3","6","2","1","10","6","1") = "9"
    & skf18("3","6","2","1","10","7","1") = "9"
    & skf18("3","6","2","1","10","8","1") = "9"
    & skf18("3","6","2","1","10","9","1") = "9"
    & skf18("3","6","2","1","10","10","1") = "9"
    & skf18("3","6","2","2","1","1","1") = "5"
    & skf18("3","6","2","2","1","2","1") = "5"
    & skf18("3","6","2","2","1","3","1") = "5"
    & skf18("3","6","2","2","1","4","1") = "5"
    & skf18("3","6","2","2","1","5","1") = "5"
    & skf18("3","6","2","2","1","6","1") = "5"
    & skf18("3","6","2","2","1","7","1") = "6"
    & skf18("3","6","2","2","1","8","1") = "7"
    & skf18("3","6","2","2","1","9","1") = "8"
    & skf18("3","6","2","2","1","10","1") = "9"
    & skf18("3","6","2","2","2","1","1") = "5"
    & skf18("3","6","2","2","2","2","1") = "5"
    & skf18("3","6","2","2","2","3","1") = "5"
    & skf18("3","6","2","2","2","4","1") = "5"
    & skf18("3","6","2","2","2","5","1") = "5"
    & skf18("3","6","2","2","2","6","1") = "5"
    & skf18("3","6","2","2","2","7","1") = "6"
    & skf18("3","6","2","2","2","8","1") = "7"
    & skf18("3","6","2","2","2","9","1") = "8"
    & skf18("3","6","2","2","2","10","1") = "9"
    & skf18("3","6","2","2","3","1","1") = "5"
    & skf18("3","6","2","2","3","2","1") = "5"
    & skf18("3","6","2","2","3","3","1") = "5"
    & skf18("3","6","2","2","3","4","1") = "5"
    & skf18("3","6","2","2","3","5","1") = "5"
    & skf18("3","6","2","2","3","6","1") = "5"
    & skf18("3","6","2","2","3","7","1") = "6"
    & skf18("3","6","2","2","3","8","1") = "7"
    & skf18("3","6","2","2","3","9","1") = "8"
    & skf18("3","6","2","2","3","10","1") = "9"
    & skf18("3","6","2","2","4","1","1") = "5"
    & skf18("3","6","2","2","4","2","1") = "5"
    & skf18("3","6","2","2","4","3","1") = "5"
    & skf18("3","6","2","2","4","4","1") = "5"
    & skf18("3","6","2","2","4","5","1") = "5"
    & skf18("3","6","2","2","4","6","1") = "5"
    & skf18("3","6","2","2","4","7","1") = "6"
    & skf18("3","6","2","2","4","8","1") = "7"
    & skf18("3","6","2","2","4","9","1") = "8"
    & skf18("3","6","2","2","4","10","1") = "9"
    & skf18("3","6","2","2","5","1","1") = "5"
    & skf18("3","6","2","2","5","2","1") = "5"
    & skf18("3","6","2","2","5","3","1") = "5"
    & skf18("3","6","2","2","5","4","1") = "5"
    & skf18("3","6","2","2","5","5","1") = "5"
    & skf18("3","6","2","2","5","6","1") = "5"
    & skf18("3","6","2","2","5","7","1") = "6"
    & skf18("3","6","2","2","5","8","1") = "7"
    & skf18("3","6","2","2","5","9","1") = "8"
    & skf18("3","6","2","2","5","10","1") = "9"
    & skf18("3","6","2","2","6","1","1") = "5"
    & skf18("3","6","2","2","6","2","1") = "5"
    & skf18("3","6","2","2","6","3","1") = "5"
    & skf18("3","6","2","2","6","4","1") = "5"
    & skf18("3","6","2","2","6","5","1") = "5"
    & skf18("3","6","2","2","6","6","1") = "5"
    & skf18("3","6","2","2","6","7","1") = "6"
    & skf18("3","6","2","2","6","8","1") = "7"
    & skf18("3","6","2","2","6","9","1") = "8"
    & skf18("3","6","2","2","6","10","1") = "9"
    & skf18("3","6","2","2","7","1","1") = "6"
    & skf18("3","6","2","2","7","2","1") = "6"
    & skf18("3","6","2","2","7","3","1") = "6"
    & skf18("3","6","2","2","7","4","1") = "6"
    & skf18("3","6","2","2","7","5","1") = "6"
    & skf18("3","6","2","2","7","6","1") = "6"
    & skf18("3","6","2","2","7","7","1") = "6"
    & skf18("3","6","2","2","7","8","1") = "7"
    & skf18("3","6","2","2","7","9","1") = "8"
    & skf18("3","6","2","2","7","10","1") = "9"
    & skf18("3","6","2","2","8","1","1") = "7"
    & skf18("3","6","2","2","8","2","1") = "7"
    & skf18("3","6","2","2","8","3","1") = "7"
    & skf18("3","6","2","2","8","4","1") = "7"
    & skf18("3","6","2","2","8","5","1") = "7"
    & skf18("3","6","2","2","8","6","1") = "7"
    & skf18("3","6","2","2","8","7","1") = "7"
    & skf18("3","6","2","2","8","8","1") = "7"
    & skf18("3","6","2","2","8","9","1") = "8"
    & skf18("3","6","2","2","8","10","1") = "9"
    & skf18("3","6","2","2","9","1","1") = "8"
    & skf18("3","6","2","2","9","2","1") = "8"
    & skf18("3","6","2","2","9","3","1") = "8"
    & skf18("3","6","2","2","9","4","1") = "8"
    & skf18("3","6","2","2","9","5","1") = "8"
    & skf18("3","6","2","2","9","6","1") = "8"
    & skf18("3","6","2","2","9","7","1") = "8"
    & skf18("3","6","2","2","9","8","1") = "8"
    & skf18("3","6","2","2","9","9","1") = "8"
    & skf18("3","6","2","2","9","10","1") = "9"
    & skf18("3","6","2","2","10","1","1") = "9"
    & skf18("3","6","2","2","10","2","1") = "9"
    & skf18("3","6","2","2","10","3","1") = "9"
    & skf18("3","6","2","2","10","4","1") = "9"
    & skf18("3","6","2","2","10","5","1") = "9"
    & skf18("3","6","2","2","10","6","1") = "9"
    & skf18("3","6","2","2","10","7","1") = "9"
    & skf18("3","6","2","2","10","8","1") = "9"
    & skf18("3","6","2","2","10","9","1") = "9"
    & skf18("3","6","2","2","10","10","1") = "9"
    & skf18("3","6","2","3","1","1","1") = "5"
    & skf18("3","6","2","3","1","2","1") = "5"
    & skf18("3","6","2","3","1","3","1") = "5"
    & skf18("3","6","2","3","1","4","1") = "5"
    & skf18("3","6","2","3","1","5","1") = "5"
    & skf18("3","6","2","3","1","6","1") = "5"
    & skf18("3","6","2","3","1","7","1") = "6"
    & skf18("3","6","2","3","1","8","1") = "7"
    & skf18("3","6","2","3","1","9","1") = "8"
    & skf18("3","6","2","3","1","10","1") = "9"
    & skf18("3","6","2","3","2","1","1") = "5"
    & skf18("3","6","2","3","2","2","1") = "5"
    & skf18("3","6","2","3","2","3","1") = "5"
    & skf18("3","6","2","3","2","4","1") = "5"
    & skf18("3","6","2","3","2","5","1") = "5"
    & skf18("3","6","2","3","2","6","1") = "5"
    & skf18("3","6","2","3","2","7","1") = "6"
    & skf18("3","6","2","3","2","8","1") = "7"
    & skf18("3","6","2","3","2","9","1") = "8"
    & skf18("3","6","2","3","2","10","1") = "9"
    & skf18("3","6","2","3","3","1","1") = "5"
    & skf18("3","6","2","3","3","2","1") = "5"
    & skf18("3","6","2","3","3","3","1") = "5"
    & skf18("3","6","2","3","3","4","1") = "5"
    & skf18("3","6","2","3","3","5","1") = "5"
    & skf18("3","6","2","3","3","6","1") = "5"
    & skf18("3","6","2","3","3","7","1") = "6"
    & skf18("3","6","2","3","3","8","1") = "7"
    & skf18("3","6","2","3","3","9","1") = "8"
    & skf18("3","6","2","3","3","10","1") = "9"
    & skf18("3","6","2","3","4","1","1") = "5"
    & skf18("3","6","2","3","4","2","1") = "5"
    & skf18("3","6","2","3","4","3","1") = "5"
    & skf18("3","6","2","3","4","4","1") = "5"
    & skf18("3","6","2","3","4","5","1") = "5"
    & skf18("3","6","2","3","4","6","1") = "5"
    & skf18("3","6","2","3","4","7","1") = "6"
    & skf18("3","6","2","3","4","8","1") = "7"
    & skf18("3","6","2","3","4","9","1") = "8"
    & skf18("3","6","2","3","4","10","1") = "9"
    & skf18("3","6","2","3","5","1","1") = "5"
    & skf18("3","6","2","3","5","2","1") = "5"
    & skf18("3","6","2","3","5","3","1") = "5"
    & skf18("3","6","2","3","5","4","1") = "5"
    & skf18("3","6","2","3","5","5","1") = "5"
    & skf18("3","6","2","3","5","6","1") = "5"
    & skf18("3","6","2","3","5","7","1") = "6"
    & skf18("3","6","2","3","5","8","1") = "7"
    & skf18("3","6","2","3","5","9","1") = "8"
    & skf18("3","6","2","3","5","10","1") = "9"
    & skf18("3","6","2","3","6","1","1") = "5"
    & skf18("3","6","2","3","6","2","1") = "5"
    & skf18("3","6","2","3","6","3","1") = "5"
    & skf18("3","6","2","3","6","4","1") = "5"
    & skf18("3","6","2","3","6","5","1") = "5"
    & skf18("3","6","2","3","6","6","1") = "5"
    & skf18("3","6","2","3","6","7","1") = "6"
    & skf18("3","6","2","3","6","8","1") = "7"
    & skf18("3","6","2","3","6","9","1") = "8"
    & skf18("3","6","2","3","6","10","1") = "9"
    & skf18("3","6","2","3","7","1","1") = "6"
    & skf18("3","6","2","3","7","2","1") = "6"
    & skf18("3","6","2","3","7","3","1") = "6"
    & skf18("3","6","2","3","7","4","1") = "6"
    & skf18("3","6","2","3","7","5","1") = "6"
    & skf18("3","6","2","3","7","6","1") = "6"
    & skf18("3","6","2","3","7","7","1") = "6"
    & skf18("3","6","2","3","7","8","1") = "7"
    & skf18("3","6","2","3","7","9","1") = "8"
    & skf18("3","6","2","3","7","10","1") = "9"
    & skf18("3","6","2","3","8","1","1") = "7"
    & skf18("3","6","2","3","8","2","1") = "7"
    & skf18("3","6","2","3","8","3","1") = "7"
    & skf18("3","6","2","3","8","4","1") = "7"
    & skf18("3","6","2","3","8","5","1") = "7"
    & skf18("3","6","2","3","8","6","1") = "7"
    & skf18("3","6","2","3","8","7","1") = "7"
    & skf18("3","6","2","3","8","8","1") = "7"
    & skf18("3","6","2","3","8","9","1") = "8"
    & skf18("3","6","2","3","8","10","1") = "9"
    & skf18("3","6","2","3","9","1","1") = "8"
    & skf18("3","6","2","3","9","2","1") = "8"
    & skf18("3","6","2","3","9","3","1") = "8"
    & skf18("3","6","2","3","9","4","1") = "8"
    & skf18("3","6","2","3","9","5","1") = "8"
    & skf18("3","6","2","3","9","6","1") = "8"
    & skf18("3","6","2","3","9","7","1") = "8"
    & skf18("3","6","2","3","9","8","1") = "8"
    & skf18("3","6","2","3","9","9","1") = "8"
    & skf18("3","6","2","3","9","10","1") = "9"
    & skf18("3","6","2","3","10","1","1") = "9"
    & skf18("3","6","2","3","10","2","1") = "9"
    & skf18("3","6","2","3","10","3","1") = "9"
    & skf18("3","6","2","3","10","4","1") = "9"
    & skf18("3","6","2","3","10","5","1") = "9"
    & skf18("3","6","2","3","10","6","1") = "9"
    & skf18("3","6","2","3","10","7","1") = "9"
    & skf18("3","6","2","3","10","8","1") = "9"
    & skf18("3","6","2","3","10","9","1") = "9"
    & skf18("3","6","2","3","10","10","1") = "9"
    & skf18("3","6","2","4","1","1","1") = "5"
    & skf18("3","6","2","4","1","2","1") = "5"
    & skf18("3","6","2","4","1","3","1") = "5"
    & skf18("3","6","2","4","1","4","1") = "5"
    & skf18("3","6","2","4","1","5","1") = "5"
    & skf18("3","6","2","4","1","6","1") = "5"
    & skf18("3","6","2","4","1","7","1") = "6"
    & skf18("3","6","2","4","1","8","1") = "7"
    & skf18("3","6","2","4","1","9","1") = "8"
    & skf18("3","6","2","4","1","10","1") = "9"
    & skf18("3","6","2","4","2","1","1") = "5"
    & skf18("3","6","2","4","2","2","1") = "5"
    & skf18("3","6","2","4","2","3","1") = "5"
    & skf18("3","6","2","4","2","4","1") = "5"
    & skf18("3","6","2","4","2","5","1") = "5"
    & skf18("3","6","2","4","2","6","1") = "5"
    & skf18("3","6","2","4","2","7","1") = "6"
    & skf18("3","6","2","4","2","8","1") = "7"
    & skf18("3","6","2","4","2","9","1") = "8"
    & skf18("3","6","2","4","2","10","1") = "9"
    & skf18("3","6","2","4","3","1","1") = "5"
    & skf18("3","6","2","4","3","2","1") = "5"
    & skf18("3","6","2","4","3","3","1") = "5"
    & skf18("3","6","2","4","3","4","1") = "5"
    & skf18("3","6","2","4","3","5","1") = "5"
    & skf18("3","6","2","4","3","6","1") = "5"
    & skf18("3","6","2","4","3","7","1") = "6"
    & skf18("3","6","2","4","3","8","1") = "7"
    & skf18("3","6","2","4","3","9","1") = "8"
    & skf18("3","6","2","4","3","10","1") = "9"
    & skf18("3","6","2","4","4","1","1") = "5"
    & skf18("3","6","2","4","4","2","1") = "5"
    & skf18("3","6","2","4","4","3","1") = "5"
    & skf18("3","6","2","4","4","4","1") = "5"
    & skf18("3","6","2","4","4","5","1") = "5"
    & skf18("3","6","2","4","4","6","1") = "5"
    & skf18("3","6","2","4","4","7","1") = "6"
    & skf18("3","6","2","4","4","8","1") = "7"
    & skf18("3","6","2","4","4","9","1") = "8"
    & skf18("3","6","2","4","4","10","1") = "9"
    & skf18("3","6","2","4","5","1","1") = "5"
    & skf18("3","6","2","4","5","2","1") = "5"
    & skf18("3","6","2","4","5","3","1") = "5"
    & skf18("3","6","2","4","5","4","1") = "5"
    & skf18("3","6","2","4","5","5","1") = "5"
    & skf18("3","6","2","4","5","6","1") = "5"
    & skf18("3","6","2","4","5","7","1") = "6"
    & skf18("3","6","2","4","5","8","1") = "7"
    & skf18("3","6","2","4","5","9","1") = "8"
    & skf18("3","6","2","4","5","10","1") = "9"
    & skf18("3","6","2","4","6","1","1") = "5"
    & skf18("3","6","2","4","6","2","1") = "5"
    & skf18("3","6","2","4","6","3","1") = "5"
    & skf18("3","6","2","4","6","4","1") = "5"
    & skf18("3","6","2","4","6","5","1") = "5"
    & skf18("3","6","2","4","6","6","1") = "5"
    & skf18("3","6","2","4","6","7","1") = "6"
    & skf18("3","6","2","4","6","8","1") = "7"
    & skf18("3","6","2","4","6","9","1") = "8"
    & skf18("3","6","2","4","6","10","1") = "9"
    & skf18("3","6","2","4","7","1","1") = "6"
    & skf18("3","6","2","4","7","2","1") = "6"
    & skf18("3","6","2","4","7","3","1") = "6"
    & skf18("3","6","2","4","7","4","1") = "6"
    & skf18("3","6","2","4","7","5","1") = "6"
    & skf18("3","6","2","4","7","6","1") = "6"
    & skf18("3","6","2","4","7","7","1") = "6"
    & skf18("3","6","2","4","7","8","1") = "7"
    & skf18("3","6","2","4","7","9","1") = "8"
    & skf18("3","6","2","4","7","10","1") = "9"
    & skf18("3","6","2","4","8","1","1") = "7"
    & skf18("3","6","2","4","8","2","1") = "7"
    & skf18("3","6","2","4","8","3","1") = "7"
    & skf18("3","6","2","4","8","4","1") = "7"
    & skf18("3","6","2","4","8","5","1") = "7"
    & skf18("3","6","2","4","8","6","1") = "7"
    & skf18("3","6","2","4","8","7","1") = "7"
    & skf18("3","6","2","4","8","8","1") = "7"
    & skf18("3","6","2","4","8","9","1") = "8"
    & skf18("3","6","2","4","8","10","1") = "9"
    & skf18("3","6","2","4","9","1","1") = "8"
    & skf18("3","6","2","4","9","2","1") = "8"
    & skf18("3","6","2","4","9","3","1") = "8"
    & skf18("3","6","2","4","9","4","1") = "8"
    & skf18("3","6","2","4","9","5","1") = "8"
    & skf18("3","6","2","4","9","6","1") = "8"
    & skf18("3","6","2","4","9","7","1") = "8"
    & skf18("3","6","2","4","9","8","1") = "8"
    & skf18("3","6","2","4","9","9","1") = "8"
    & skf18("3","6","2","4","9","10","1") = "9"
    & skf18("3","6","2","4","10","1","1") = "9"
    & skf18("3","6","2","4","10","2","1") = "9"
    & skf18("3","6","2","4","10","3","1") = "9"
    & skf18("3","6","2","4","10","4","1") = "9"
    & skf18("3","6","2","4","10","5","1") = "9"
    & skf18("3","6","2","4","10","6","1") = "9"
    & skf18("3","6","2","4","10","7","1") = "9"
    & skf18("3","6","2","4","10","8","1") = "9"
    & skf18("3","6","2","4","10","9","1") = "9"
    & skf18("3","6","2","4","10","10","1") = "9"
    & skf18("3","6","2","5","1","1","1") = "5"
    & skf18("3","6","2","5","1","2","1") = "5"
    & skf18("3","6","2","5","1","3","1") = "5"
    & skf18("3","6","2","5","1","4","1") = "5"
    & skf18("3","6","2","5","1","5","1") = "5"
    & skf18("3","6","2","5","1","6","1") = "5"
    & skf18("3","6","2","5","1","7","1") = "6"
    & skf18("3","6","2","5","1","8","1") = "7"
    & skf18("3","6","2","5","1","9","1") = "8"
    & skf18("3","6","2","5","1","10","1") = "9"
    & skf18("3","6","2","5","2","1","1") = "5"
    & skf18("3","6","2","5","2","2","1") = "5"
    & skf18("3","6","2","5","2","3","1") = "5"
    & skf18("3","6","2","5","2","4","1") = "5"
    & skf18("3","6","2","5","2","5","1") = "5"
    & skf18("3","6","2","5","2","6","1") = "5"
    & skf18("3","6","2","5","2","7","1") = "6"
    & skf18("3","6","2","5","2","8","1") = "7"
    & skf18("3","6","2","5","2","9","1") = "8"
    & skf18("3","6","2","5","2","10","1") = "9"
    & skf18("3","6","2","5","3","1","1") = "5"
    & skf18("3","6","2","5","3","2","1") = "5"
    & skf18("3","6","2","5","3","3","1") = "5"
    & skf18("3","6","2","5","3","4","1") = "5"
    & skf18("3","6","2","5","3","5","1") = "5"
    & skf18("3","6","2","5","3","6","1") = "5"
    & skf18("3","6","2","5","3","7","1") = "6"
    & skf18("3","6","2","5","3","8","1") = "7"
    & skf18("3","6","2","5","3","9","1") = "8"
    & skf18("3","6","2","5","3","10","1") = "9"
    & skf18("3","6","2","5","4","1","1") = "5"
    & skf18("3","6","2","5","4","2","1") = "5"
    & skf18("3","6","2","5","4","3","1") = "5"
    & skf18("3","6","2","5","4","4","1") = "5"
    & skf18("3","6","2","5","4","5","1") = "5"
    & skf18("3","6","2","5","4","6","1") = "5"
    & skf18("3","6","2","5","4","7","1") = "6"
    & skf18("3","6","2","5","4","8","1") = "7"
    & skf18("3","6","2","5","4","9","1") = "8"
    & skf18("3","6","2","5","4","10","1") = "9"
    & skf18("3","6","2","5","5","1","1") = "5"
    & skf18("3","6","2","5","5","2","1") = "5"
    & skf18("3","6","2","5","5","3","1") = "5"
    & skf18("3","6","2","5","5","4","1") = "5"
    & skf18("3","6","2","5","5","5","1") = "5"
    & skf18("3","6","2","5","5","6","1") = "5"
    & skf18("3","6","2","5","5","7","1") = "6"
    & skf18("3","6","2","5","5","8","1") = "7"
    & skf18("3","6","2","5","5","9","1") = "8"
    & skf18("3","6","2","5","5","10","1") = "9"
    & skf18("3","6","2","5","6","1","1") = "5"
    & skf18("3","6","2","5","6","2","1") = "5"
    & skf18("3","6","2","5","6","3","1") = "5"
    & skf18("3","6","2","5","6","4","1") = "5"
    & skf18("3","6","2","5","6","5","1") = "5"
    & skf18("3","6","2","5","6","6","1") = "5"
    & skf18("3","6","2","5","6","7","1") = "6"
    & skf18("3","6","2","5","6","8","1") = "7"
    & skf18("3","6","2","5","6","9","1") = "8"
    & skf18("3","6","2","5","6","10","1") = "9"
    & skf18("3","6","2","5","7","1","1") = "6"
    & skf18("3","6","2","5","7","2","1") = "6"
    & skf18("3","6","2","5","7","3","1") = "6"
    & skf18("3","6","2","5","7","4","1") = "6"
    & skf18("3","6","2","5","7","5","1") = "6"
    & skf18("3","6","2","5","7","6","1") = "6"
    & skf18("3","6","2","5","7","7","1") = "6"
    & skf18("3","6","2","5","7","8","1") = "7"
    & skf18("3","6","2","5","7","9","1") = "8"
    & skf18("3","6","2","5","7","10","1") = "9"
    & skf18("3","6","2","5","8","1","1") = "7"
    & skf18("3","6","2","5","8","2","1") = "7"
    & skf18("3","6","2","5","8","3","1") = "7"
    & skf18("3","6","2","5","8","4","1") = "7"
    & skf18("3","6","2","5","8","5","1") = "7"
    & skf18("3","6","2","5","8","6","1") = "7"
    & skf18("3","6","2","5","8","7","1") = "7"
    & skf18("3","6","2","5","8","8","1") = "7"
    & skf18("3","6","2","5","8","9","1") = "8"
    & skf18("3","6","2","5","8","10","1") = "9"
    & skf18("3","6","2","5","9","1","1") = "8"
    & skf18("3","6","2","5","9","2","1") = "8"
    & skf18("3","6","2","5","9","3","1") = "8"
    & skf18("3","6","2","5","9","4","1") = "8"
    & skf18("3","6","2","5","9","5","1") = "8"
    & skf18("3","6","2","5","9","6","1") = "8"
    & skf18("3","6","2","5","9","7","1") = "8"
    & skf18("3","6","2","5","9","8","1") = "8"
    & skf18("3","6","2","5","9","9","1") = "8"
    & skf18("3","6","2","5","9","10","1") = "9"
    & skf18("3","6","2","5","10","1","1") = "9"
    & skf18("3","6","2","5","10","2","1") = "9"
    & skf18("3","6","2","5","10","3","1") = "9"
    & skf18("3","6","2","5","10","4","1") = "9"
    & skf18("3","6","2","5","10","5","1") = "9"
    & skf18("3","6","2","5","10","6","1") = "9"
    & skf18("3","6","2","5","10","7","1") = "9"
    & skf18("3","6","2","5","10","8","1") = "9"
    & skf18("3","6","2","5","10","9","1") = "9"
    & skf18("3","6","2","5","10","10","1") = "9"
    & skf18("3","6","2","6","1","1","1") = "5"
    & skf18("3","6","2","6","1","2","1") = "5"
    & skf18("3","6","2","6","1","3","1") = "5"
    & skf18("3","6","2","6","1","4","1") = "5"
    & skf18("3","6","2","6","1","5","1") = "5"
    & skf18("3","6","2","6","1","6","1") = "5"
    & skf18("3","6","2","6","1","7","1") = "6"
    & skf18("3","6","2","6","1","8","1") = "7"
    & skf18("3","6","2","6","1","9","1") = "8"
    & skf18("3","6","2","6","1","10","1") = "9"
    & skf18("3","6","2","6","2","1","1") = "5"
    & skf18("3","6","2","6","2","2","1") = "5"
    & skf18("3","6","2","6","2","3","1") = "5"
    & skf18("3","6","2","6","2","4","1") = "5"
    & skf18("3","6","2","6","2","5","1") = "5"
    & skf18("3","6","2","6","2","6","1") = "5"
    & skf18("3","6","2","6","2","7","1") = "6"
    & skf18("3","6","2","6","2","8","1") = "7"
    & skf18("3","6","2","6","2","9","1") = "8"
    & skf18("3","6","2","6","2","10","1") = "9"
    & skf18("3","6","2","6","3","1","1") = "5"
    & skf18("3","6","2","6","3","2","1") = "5"
    & skf18("3","6","2","6","3","3","1") = "5"
    & skf18("3","6","2","6","3","4","1") = "5"
    & skf18("3","6","2","6","3","5","1") = "5"
    & skf18("3","6","2","6","3","6","1") = "5"
    & skf18("3","6","2","6","3","7","1") = "6"
    & skf18("3","6","2","6","3","8","1") = "7"
    & skf18("3","6","2","6","3","9","1") = "8"
    & skf18("3","6","2","6","3","10","1") = "9"
    & skf18("3","6","2","6","4","1","1") = "5"
    & skf18("3","6","2","6","4","2","1") = "5"
    & skf18("3","6","2","6","4","3","1") = "5"
    & skf18("3","6","2","6","4","4","1") = "5"
    & skf18("3","6","2","6","4","5","1") = "5"
    & skf18("3","6","2","6","4","6","1") = "5"
    & skf18("3","6","2","6","4","7","1") = "6"
    & skf18("3","6","2","6","4","8","1") = "7"
    & skf18("3","6","2","6","4","9","1") = "8"
    & skf18("3","6","2","6","4","10","1") = "9"
    & skf18("3","6","2","6","5","1","1") = "5"
    & skf18("3","6","2","6","5","2","1") = "5"
    & skf18("3","6","2","6","5","3","1") = "5"
    & skf18("3","6","2","6","5","4","1") = "5"
    & skf18("3","6","2","6","5","5","1") = "5"
    & skf18("3","6","2","6","5","6","1") = "5"
    & skf18("3","6","2","6","5","7","1") = "6"
    & skf18("3","6","2","6","5","8","1") = "7"
    & skf18("3","6","2","6","5","9","1") = "8"
    & skf18("3","6","2","6","5","10","1") = "9"
    & skf18("3","6","2","6","6","1","1") = "5"
    & skf18("3","6","2","6","6","2","1") = "5"
    & skf18("3","6","2","6","6","3","1") = "5"
    & skf18("3","6","2","6","6","4","1") = "5"
    & skf18("3","6","2","6","6","5","1") = "5"
    & skf18("3","6","2","6","6","6","1") = "5"
    & skf18("3","6","2","6","6","7","1") = "6"
    & skf18("3","6","2","6","6","8","1") = "7"
    & skf18("3","6","2","6","6","9","1") = "8"
    & skf18("3","6","2","6","6","10","1") = "9"
    & skf18("3","6","2","6","7","1","1") = "6"
    & skf18("3","6","2","6","7","2","1") = "6"
    & skf18("3","6","2","6","7","3","1") = "6"
    & skf18("3","6","2","6","7","4","1") = "6"
    & skf18("3","6","2","6","7","5","1") = "6"
    & skf18("3","6","2","6","7","6","1") = "6"
    & skf18("3","6","2","6","7","7","1") = "6"
    & skf18("3","6","2","6","7","8","1") = "7"
    & skf18("3","6","2","6","7","9","1") = "8"
    & skf18("3","6","2","6","7","10","1") = "9"
    & skf18("3","6","2","6","8","1","1") = "7"
    & skf18("3","6","2","6","8","2","1") = "7"
    & skf18("3","6","2","6","8","3","1") = "7"
    & skf18("3","6","2","6","8","4","1") = "7"
    & skf18("3","6","2","6","8","5","1") = "7"
    & skf18("3","6","2","6","8","6","1") = "7"
    & skf18("3","6","2","6","8","7","1") = "7"
    & skf18("3","6","2","6","8","8","1") = "7"
    & skf18("3","6","2","6","8","9","1") = "8"
    & skf18("3","6","2","6","8","10","1") = "9"
    & skf18("3","6","2","6","9","1","1") = "8"
    & skf18("3","6","2","6","9","2","1") = "8"
    & skf18("3","6","2","6","9","3","1") = "8"
    & skf18("3","6","2","6","9","4","1") = "8"
    & skf18("3","6","2","6","9","5","1") = "8"
    & skf18("3","6","2","6","9","6","1") = "8"
    & skf18("3","6","2","6","9","7","1") = "8"
    & skf18("3","6","2","6","9","8","1") = "8"
    & skf18("3","6","2","6","9","9","1") = "8"
    & skf18("3","6","2","6","9","10","1") = "9"
    & skf18("3","6","2","6","10","1","1") = "9"
    & skf18("3","6","2","6","10","2","1") = "9"
    & skf18("3","6","2","6","10","3","1") = "9"
    & skf18("3","6","2","6","10","4","1") = "9"
    & skf18("3","6","2","6","10","5","1") = "9"
    & skf18("3","6","2","6","10","6","1") = "9"
    & skf18("3","6","2","6","10","7","1") = "9"
    & skf18("3","6","2","6","10","8","1") = "9"
    & skf18("3","6","2","6","10","9","1") = "9"
    & skf18("3","6","2","6","10","10","1") = "9"
    & skf18("3","6","2","7","1","1","1") = "6"
    & skf18("3","6","2","7","1","2","1") = "6"
    & skf18("3","6","2","7","1","3","1") = "6"
    & skf18("3","6","2","7","1","4","1") = "6"
    & skf18("3","6","2","7","1","5","1") = "6"
    & skf18("3","6","2","7","1","6","1") = "6"
    & skf18("3","6","2","7","1","7","1") = "6"
    & skf18("3","6","2","7","1","8","1") = "7"
    & skf18("3","6","2","7","1","9","1") = "8"
    & skf18("3","6","2","7","1","10","1") = "9"
    & skf18("3","6","2","7","2","1","1") = "6"
    & skf18("3","6","2","7","2","2","1") = "6"
    & skf18("3","6","2","7","2","3","1") = "6"
    & skf18("3","6","2","7","2","4","1") = "6"
    & skf18("3","6","2","7","2","5","1") = "6"
    & skf18("3","6","2","7","2","6","1") = "6"
    & skf18("3","6","2","7","2","7","1") = "6"
    & skf18("3","6","2","7","2","8","1") = "7"
    & skf18("3","6","2","7","2","9","1") = "8"
    & skf18("3","6","2","7","2","10","1") = "9"
    & skf18("3","6","2","7","3","1","1") = "6"
    & skf18("3","6","2","7","3","2","1") = "6"
    & skf18("3","6","2","7","3","3","1") = "6"
    & skf18("3","6","2","7","3","4","1") = "6"
    & skf18("3","6","2","7","3","5","1") = "6"
    & skf18("3","6","2","7","3","6","1") = "6"
    & skf18("3","6","2","7","3","7","1") = "6"
    & skf18("3","6","2","7","3","8","1") = "7"
    & skf18("3","6","2","7","3","9","1") = "8"
    & skf18("3","6","2","7","3","10","1") = "9"
    & skf18("3","6","2","7","4","1","1") = "6"
    & skf18("3","6","2","7","4","2","1") = "6"
    & skf18("3","6","2","7","4","3","1") = "6"
    & skf18("3","6","2","7","4","4","1") = "6"
    & skf18("3","6","2","7","4","5","1") = "6"
    & skf18("3","6","2","7","4","6","1") = "6"
    & skf18("3","6","2","7","4","7","1") = "6"
    & skf18("3","6","2","7","4","8","1") = "7"
    & skf18("3","6","2","7","4","9","1") = "8"
    & skf18("3","6","2","7","4","10","1") = "9"
    & skf18("3","6","2","7","5","1","1") = "6"
    & skf18("3","6","2","7","5","2","1") = "6"
    & skf18("3","6","2","7","5","3","1") = "6"
    & skf18("3","6","2","7","5","4","1") = "6"
    & skf18("3","6","2","7","5","5","1") = "6"
    & skf18("3","6","2","7","5","6","1") = "6"
    & skf18("3","6","2","7","5","7","1") = "6"
    & skf18("3","6","2","7","5","8","1") = "7"
    & skf18("3","6","2","7","5","9","1") = "8"
    & skf18("3","6","2","7","5","10","1") = "9"
    & skf18("3","6","2","7","6","1","1") = "6"
    & skf18("3","6","2","7","6","2","1") = "6"
    & skf18("3","6","2","7","6","3","1") = "6"
    & skf18("3","6","2","7","6","4","1") = "6"
    & skf18("3","6","2","7","6","5","1") = "6"
    & skf18("3","6","2","7","6","6","1") = "6"
    & skf18("3","6","2","7","6","7","1") = "6"
    & skf18("3","6","2","7","6","8","1") = "7"
    & skf18("3","6","2","7","6","9","1") = "8"
    & skf18("3","6","2","7","6","10","1") = "9"
    & skf18("3","6","2","7","7","1","1") = "6"
    & skf18("3","6","2","7","7","2","1") = "6"
    & skf18("3","6","2","7","7","3","1") = "6"
    & skf18("3","6","2","7","7","4","1") = "6"
    & skf18("3","6","2","7","7","5","1") = "6"
    & skf18("3","6","2","7","7","6","1") = "6"
    & skf18("3","6","2","7","7","7","1") = "6"
    & skf18("3","6","2","7","7","8","1") = "7"
    & skf18("3","6","2","7","7","9","1") = "8"
    & skf18("3","6","2","7","7","10","1") = "9"
    & skf18("3","6","2","7","8","1","1") = "7"
    & skf18("3","6","2","7","8","2","1") = "7"
    & skf18("3","6","2","7","8","3","1") = "7"
    & skf18("3","6","2","7","8","4","1") = "7"
    & skf18("3","6","2","7","8","5","1") = "7"
    & skf18("3","6","2","7","8","6","1") = "7"
    & skf18("3","6","2","7","8","7","1") = "7"
    & skf18("3","6","2","7","8","8","1") = "7"
    & skf18("3","6","2","7","8","9","1") = "8"
    & skf18("3","6","2","7","8","10","1") = "9"
    & skf18("3","6","2","7","9","1","1") = "8"
    & skf18("3","6","2","7","9","2","1") = "8"
    & skf18("3","6","2","7","9","3","1") = "8"
    & skf18("3","6","2","7","9","4","1") = "8"
    & skf18("3","6","2","7","9","5","1") = "8"
    & skf18("3","6","2","7","9","6","1") = "8"
    & skf18("3","6","2","7","9","7","1") = "8"
    & skf18("3","6","2","7","9","8","1") = "8"
    & skf18("3","6","2","7","9","9","1") = "8"
    & skf18("3","6","2","7","9","10","1") = "9"
    & skf18("3","6","2","7","10","1","1") = "9"
    & skf18("3","6","2","7","10","2","1") = "9"
    & skf18("3","6","2","7","10","3","1") = "9"
    & skf18("3","6","2","7","10","4","1") = "9"
    & skf18("3","6","2","7","10","5","1") = "9"
    & skf18("3","6","2","7","10","6","1") = "9"
    & skf18("3","6","2","7","10","7","1") = "9"
    & skf18("3","6","2","7","10","8","1") = "9"
    & skf18("3","6","2","7","10","9","1") = "9"
    & skf18("3","6","2","7","10","10","1") = "9"
    & skf18("3","6","2","8","1","1","1") = "7"
    & skf18("3","6","2","8","1","2","1") = "7"
    & skf18("3","6","2","8","1","3","1") = "7"
    & skf18("3","6","2","8","1","4","1") = "7"
    & skf18("3","6","2","8","1","5","1") = "7"
    & skf18("3","6","2","8","1","6","1") = "7"
    & skf18("3","6","2","8","1","7","1") = "7"
    & skf18("3","6","2","8","1","8","1") = "7"
    & skf18("3","6","2","8","1","9","1") = "8"
    & skf18("3","6","2","8","1","10","1") = "9"
    & skf18("3","6","2","8","2","1","1") = "7"
    & skf18("3","6","2","8","2","2","1") = "7"
    & skf18("3","6","2","8","2","3","1") = "7"
    & skf18("3","6","2","8","2","4","1") = "7"
    & skf18("3","6","2","8","2","5","1") = "7"
    & skf18("3","6","2","8","2","6","1") = "7"
    & skf18("3","6","2","8","2","7","1") = "7"
    & skf18("3","6","2","8","2","8","1") = "7"
    & skf18("3","6","2","8","2","9","1") = "8"
    & skf18("3","6","2","8","2","10","1") = "9"
    & skf18("3","6","2","8","3","1","1") = "7"
    & skf18("3","6","2","8","3","2","1") = "7"
    & skf18("3","6","2","8","3","3","1") = "7"
    & skf18("3","6","2","8","3","4","1") = "7"
    & skf18("3","6","2","8","3","5","1") = "7"
    & skf18("3","6","2","8","3","6","1") = "7"
    & skf18("3","6","2","8","3","7","1") = "7"
    & skf18("3","6","2","8","3","8","1") = "7"
    & skf18("3","6","2","8","3","9","1") = "8"
    & skf18("3","6","2","8","3","10","1") = "9"
    & skf18("3","6","2","8","4","1","1") = "7"
    & skf18("3","6","2","8","4","2","1") = "7"
    & skf18("3","6","2","8","4","3","1") = "7"
    & skf18("3","6","2","8","4","4","1") = "7"
    & skf18("3","6","2","8","4","5","1") = "7"
    & skf18("3","6","2","8","4","6","1") = "7"
    & skf18("3","6","2","8","4","7","1") = "7"
    & skf18("3","6","2","8","4","8","1") = "7"
    & skf18("3","6","2","8","4","9","1") = "8"
    & skf18("3","6","2","8","4","10","1") = "9"
    & skf18("3","6","2","8","5","1","1") = "7"
    & skf18("3","6","2","8","5","2","1") = "7"
    & skf18("3","6","2","8","5","3","1") = "7"
    & skf18("3","6","2","8","5","4","1") = "7"
    & skf18("3","6","2","8","5","5","1") = "7"
    & skf18("3","6","2","8","5","6","1") = "7"
    & skf18("3","6","2","8","5","7","1") = "7"
    & skf18("3","6","2","8","5","8","1") = "7"
    & skf18("3","6","2","8","5","9","1") = "8"
    & skf18("3","6","2","8","5","10","1") = "9"
    & skf18("3","6","2","8","6","1","1") = "7"
    & skf18("3","6","2","8","6","2","1") = "7"
    & skf18("3","6","2","8","6","3","1") = "7"
    & skf18("3","6","2","8","6","4","1") = "7"
    & skf18("3","6","2","8","6","5","1") = "7"
    & skf18("3","6","2","8","6","6","1") = "7"
    & skf18("3","6","2","8","6","7","1") = "7"
    & skf18("3","6","2","8","6","8","1") = "7"
    & skf18("3","6","2","8","6","9","1") = "8"
    & skf18("3","6","2","8","6","10","1") = "9"
    & skf18("3","6","2","8","7","1","1") = "7"
    & skf18("3","6","2","8","7","2","1") = "7"
    & skf18("3","6","2","8","7","3","1") = "7"
    & skf18("3","6","2","8","7","4","1") = "7"
    & skf18("3","6","2","8","7","5","1") = "7"
    & skf18("3","6","2","8","7","6","1") = "7"
    & skf18("3","6","2","8","7","7","1") = "7"
    & skf18("3","6","2","8","7","8","1") = "7"
    & skf18("3","6","2","8","7","9","1") = "8"
    & skf18("3","6","2","8","7","10","1") = "9"
    & skf18("3","6","2","8","8","1","1") = "7"
    & skf18("3","6","2","8","8","2","1") = "7"
    & skf18("3","6","2","8","8","3","1") = "7"
    & skf18("3","6","2","8","8","4","1") = "7"
    & skf18("3","6","2","8","8","5","1") = "7"
    & skf18("3","6","2","8","8","6","1") = "7"
    & skf18("3","6","2","8","8","7","1") = "7"
    & skf18("3","6","2","8","8","8","1") = "7"
    & skf18("3","6","2","8","8","9","1") = "8"
    & skf18("3","6","2","8","8","10","1") = "9"
    & skf18("3","6","2","8","9","1","1") = "8"
    & skf18("3","6","2","8","9","2","1") = "8"
    & skf18("3","6","2","8","9","3","1") = "8"
    & skf18("3","6","2","8","9","4","1") = "8"
    & skf18("3","6","2","8","9","5","1") = "8"
    & skf18("3","6","2","8","9","6","1") = "8"
    & skf18("3","6","2","8","9","7","1") = "8"
    & skf18("3","6","2","8","9","8","1") = "8"
    & skf18("3","6","2","8","9","9","1") = "8"
    & skf18("3","6","2","8","9","10","1") = "9"
    & skf18("3","6","2","8","10","1","1") = "9"
    & skf18("3","6","2","8","10","2","1") = "9"
    & skf18("3","6","2","8","10","3","1") = "9"
    & skf18("3","6","2","8","10","4","1") = "9"
    & skf18("3","6","2","8","10","5","1") = "9"
    & skf18("3","6","2","8","10","6","1") = "9"
    & skf18("3","6","2","8","10","7","1") = "9"
    & skf18("3","6","2","8","10","8","1") = "9"
    & skf18("3","6","2","8","10","9","1") = "9"
    & skf18("3","6","2","8","10","10","1") = "9"
    & skf18("3","6","2","9","1","1","1") = "8"
    & skf18("3","6","2","9","1","2","1") = "8"
    & skf18("3","6","2","9","1","3","1") = "8"
    & skf18("3","6","2","9","1","4","1") = "8"
    & skf18("3","6","2","9","1","5","1") = "8"
    & skf18("3","6","2","9","1","6","1") = "8"
    & skf18("3","6","2","9","1","7","1") = "8"
    & skf18("3","6","2","9","1","8","1") = "8"
    & skf18("3","6","2","9","1","9","1") = "8"
    & skf18("3","6","2","9","1","10","1") = "9"
    & skf18("3","6","2","9","2","1","1") = "8"
    & skf18("3","6","2","9","2","2","1") = "8"
    & skf18("3","6","2","9","2","3","1") = "8"
    & skf18("3","6","2","9","2","4","1") = "8"
    & skf18("3","6","2","9","2","5","1") = "8"
    & skf18("3","6","2","9","2","6","1") = "8"
    & skf18("3","6","2","9","2","7","1") = "8"
    & skf18("3","6","2","9","2","8","1") = "8"
    & skf18("3","6","2","9","2","9","1") = "8"
    & skf18("3","6","2","9","2","10","1") = "9"
    & skf18("3","6","2","9","3","1","1") = "8"
    & skf18("3","6","2","9","3","2","1") = "8"
    & skf18("3","6","2","9","3","3","1") = "8"
    & skf18("3","6","2","9","3","4","1") = "8"
    & skf18("3","6","2","9","3","5","1") = "8"
    & skf18("3","6","2","9","3","6","1") = "8"
    & skf18("3","6","2","9","3","7","1") = "8"
    & skf18("3","6","2","9","3","8","1") = "8"
    & skf18("3","6","2","9","3","9","1") = "8"
    & skf18("3","6","2","9","3","10","1") = "9"
    & skf18("3","6","2","9","4","1","1") = "8"
    & skf18("3","6","2","9","4","2","1") = "8"
    & skf18("3","6","2","9","4","3","1") = "8"
    & skf18("3","6","2","9","4","4","1") = "8"
    & skf18("3","6","2","9","4","5","1") = "8"
    & skf18("3","6","2","9","4","6","1") = "8"
    & skf18("3","6","2","9","4","7","1") = "8"
    & skf18("3","6","2","9","4","8","1") = "8"
    & skf18("3","6","2","9","4","9","1") = "8"
    & skf18("3","6","2","9","4","10","1") = "9"
    & skf18("3","6","2","9","5","1","1") = "8"
    & skf18("3","6","2","9","5","2","1") = "8"
    & skf18("3","6","2","9","5","3","1") = "8"
    & skf18("3","6","2","9","5","4","1") = "8"
    & skf18("3","6","2","9","5","5","1") = "8"
    & skf18("3","6","2","9","5","6","1") = "8"
    & skf18("3","6","2","9","5","7","1") = "8"
    & skf18("3","6","2","9","5","8","1") = "8"
    & skf18("3","6","2","9","5","9","1") = "8"
    & skf18("3","6","2","9","5","10","1") = "9"
    & skf18("3","6","2","9","6","1","1") = "8"
    & skf18("3","6","2","9","6","2","1") = "8"
    & skf18("3","6","2","9","6","3","1") = "8"
    & skf18("3","6","2","9","6","4","1") = "8"
    & skf18("3","6","2","9","6","5","1") = "8"
    & skf18("3","6","2","9","6","6","1") = "8"
    & skf18("3","6","2","9","6","7","1") = "8"
    & skf18("3","6","2","9","6","8","1") = "8"
    & skf18("3","6","2","9","6","9","1") = "8"
    & skf18("3","6","2","9","6","10","1") = "9"
    & skf18("3","6","2","9","7","1","1") = "8"
    & skf18("3","6","2","9","7","2","1") = "8"
    & skf18("3","6","2","9","7","3","1") = "8"
    & skf18("3","6","2","9","7","4","1") = "8"
    & skf18("3","6","2","9","7","5","1") = "8"
    & skf18("3","6","2","9","7","6","1") = "8"
    & skf18("3","6","2","9","7","7","1") = "8"
    & skf18("3","6","2","9","7","8","1") = "8"
    & skf18("3","6","2","9","7","9","1") = "8"
    & skf18("3","6","2","9","7","10","1") = "9"
    & skf18("3","6","2","9","8","1","1") = "8"
    & skf18("3","6","2","9","8","2","1") = "8"
    & skf18("3","6","2","9","8","3","1") = "8"
    & skf18("3","6","2","9","8","4","1") = "8"
    & skf18("3","6","2","9","8","5","1") = "8"
    & skf18("3","6","2","9","8","6","1") = "8"
    & skf18("3","6","2","9","8","7","1") = "8"
    & skf18("3","6","2","9","8","8","1") = "8"
    & skf18("3","6","2","9","8","9","1") = "8"
    & skf18("3","6","2","9","8","10","1") = "9"
    & skf18("3","6","2","9","9","1","1") = "8"
    & skf18("3","6","2","9","9","2","1") = "8"
    & skf18("3","6","2","9","9","3","1") = "8"
    & skf18("3","6","2","9","9","4","1") = "8"
    & skf18("3","6","2","9","9","5","1") = "8"
    & skf18("3","6","2","9","9","6","1") = "8"
    & skf18("3","6","2","9","9","7","1") = "8"
    & skf18("3","6","2","9","9","8","1") = "8"
    & skf18("3","6","2","9","9","9","1") = "8"
    & skf18("3","6","2","9","9","10","1") = "9"
    & skf18("3","6","2","9","10","1","1") = "9"
    & skf18("3","6","2","9","10","2","1") = "9"
    & skf18("3","6","2","9","10","3","1") = "9"
    & skf18("3","6","2","9","10","4","1") = "9"
    & skf18("3","6","2","9","10","5","1") = "9"
    & skf18("3","6","2","9","10","6","1") = "9"
    & skf18("3","6","2","9","10","7","1") = "9"
    & skf18("3","6","2","9","10","8","1") = "9"
    & skf18("3","6","2","9","10","9","1") = "9"
    & skf18("3","6","2","9","10","10","1") = "9"
    & skf18("3","6","2","10","1","1","1") = "9"
    & skf18("3","6","2","10","1","2","1") = "9"
    & skf18("3","6","2","10","1","3","1") = "9"
    & skf18("3","6","2","10","1","4","1") = "9"
    & skf18("3","6","2","10","1","5","1") = "9"
    & skf18("3","6","2","10","1","6","1") = "9"
    & skf18("3","6","2","10","1","7","1") = "9"
    & skf18("3","6","2","10","1","8","1") = "9"
    & skf18("3","6","2","10","1","9","1") = "9"
    & skf18("3","6","2","10","1","10","1") = "9"
    & skf18("3","6","2","10","2","1","1") = "9"
    & skf18("3","6","2","10","2","2","1") = "9"
    & skf18("3","6","2","10","2","3","1") = "9"
    & skf18("3","6","2","10","2","4","1") = "9"
    & skf18("3","6","2","10","2","5","1") = "9"
    & skf18("3","6","2","10","2","6","1") = "9"
    & skf18("3","6","2","10","2","7","1") = "9"
    & skf18("3","6","2","10","2","8","1") = "9"
    & skf18("3","6","2","10","2","9","1") = "9"
    & skf18("3","6","2","10","2","10","1") = "9"
    & skf18("3","6","2","10","3","1","1") = "9"
    & skf18("3","6","2","10","3","2","1") = "9"
    & skf18("3","6","2","10","3","3","1") = "9"
    & skf18("3","6","2","10","3","4","1") = "9"
    & skf18("3","6","2","10","3","5","1") = "9"
    & skf18("3","6","2","10","3","6","1") = "9"
    & skf18("3","6","2","10","3","7","1") = "9"
    & skf18("3","6","2","10","3","8","1") = "9"
    & skf18("3","6","2","10","3","9","1") = "9"
    & skf18("3","6","2","10","3","10","1") = "9"
    & skf18("3","6","2","10","4","1","1") = "9"
    & skf18("3","6","2","10","4","2","1") = "9"
    & skf18("3","6","2","10","4","3","1") = "9"
    & skf18("3","6","2","10","4","4","1") = "9"
    & skf18("3","6","2","10","4","5","1") = "9"
    & skf18("3","6","2","10","4","6","1") = "9"
    & skf18("3","6","2","10","4","7","1") = "9"
    & skf18("3","6","2","10","4","8","1") = "9"
    & skf18("3","6","2","10","4","9","1") = "9"
    & skf18("3","6","2","10","4","10","1") = "9"
    & skf18("3","6","2","10","5","1","1") = "9"
    & skf18("3","6","2","10","5","2","1") = "9"
    & skf18("3","6","2","10","5","3","1") = "9"
    & skf18("3","6","2","10","5","4","1") = "9"
    & skf18("3","6","2","10","5","5","1") = "9"
    & skf18("3","6","2","10","5","6","1") = "9"
    & skf18("3","6","2","10","5","7","1") = "9"
    & skf18("3","6","2","10","5","8","1") = "9"
    & skf18("3","6","2","10","5","9","1") = "9"
    & skf18("3","6","2","10","5","10","1") = "9"
    & skf18("3","6","2","10","6","1","1") = "9"
    & skf18("3","6","2","10","6","2","1") = "9"
    & skf18("3","6","2","10","6","3","1") = "9"
    & skf18("3","6","2","10","6","4","1") = "9"
    & skf18("3","6","2","10","6","5","1") = "9"
    & skf18("3","6","2","10","6","6","1") = "9"
    & skf18("3","6","2","10","6","7","1") = "9"
    & skf18("3","6","2","10","6","8","1") = "9"
    & skf18("3","6","2","10","6","9","1") = "9"
    & skf18("3","6","2","10","6","10","1") = "9"
    & skf18("3","6","2","10","7","1","1") = "9"
    & skf18("3","6","2","10","7","2","1") = "9"
    & skf18("3","6","2","10","7","3","1") = "9"
    & skf18("3","6","2","10","7","4","1") = "9"
    & skf18("3","6","2","10","7","5","1") = "9"
    & skf18("3","6","2","10","7","6","1") = "9"
    & skf18("3","6","2","10","7","7","1") = "9"
    & skf18("3","6","2","10","7","8","1") = "9"
    & skf18("3","6","2","10","7","9","1") = "9"
    & skf18("3","6","2","10","7","10","1") = "9"
    & skf18("3","6","2","10","8","1","1") = "9"
    & skf18("3","6","2","10","8","2","1") = "9"
    & skf18("3","6","2","10","8","3","1") = "9"
    & skf18("3","6","2","10","8","4","1") = "9"
    & skf18("3","6","2","10","8","5","1") = "9"
    & skf18("3","6","2","10","8","6","1") = "9"
    & skf18("3","6","2","10","8","7","1") = "9"
    & skf18("3","6","2","10","8","8","1") = "9"
    & skf18("3","6","2","10","8","9","1") = "9"
    & skf18("3","6","2","10","8","10","1") = "9"
    & skf18("3","6","2","10","9","1","1") = "9"
    & skf18("3","6","2","10","9","2","1") = "9"
    & skf18("3","6","2","10","9","3","1") = "9"
    & skf18("3","6","2","10","9","4","1") = "9"
    & skf18("3","6","2","10","9","5","1") = "9"
    & skf18("3","6","2","10","9","6","1") = "9"
    & skf18("3","6","2","10","9","7","1") = "9"
    & skf18("3","6","2","10","9","8","1") = "9"
    & skf18("3","6","2","10","9","9","1") = "9"
    & skf18("3","6","2","10","9","10","1") = "9"
    & skf18("3","6","2","10","10","1","1") = "9"
    & skf18("3","6","2","10","10","2","1") = "9"
    & skf18("3","6","2","10","10","3","1") = "9"
    & skf18("3","6","2","10","10","4","1") = "9"
    & skf18("3","6","2","10","10","5","1") = "9"
    & skf18("3","6","2","10","10","6","1") = "9"
    & skf18("3","6","2","10","10","7","1") = "9"
    & skf18("3","6","2","10","10","8","1") = "9"
    & skf18("3","6","2","10","10","9","1") = "9"
    & skf18("3","6","2","10","10","10","1") = "9"
    & skf18("3","6","3","1","1","1","1") = "5"
    & skf18("3","6","3","1","1","2","1") = "5"
    & skf18("3","6","3","1","1","3","1") = "5"
    & skf18("3","6","3","1","1","4","1") = "5"
    & skf18("3","6","3","1","1","5","1") = "5"
    & skf18("3","6","3","1","1","6","1") = "5"
    & skf18("3","6","3","1","1","7","1") = "6"
    & skf18("3","6","3","1","1","8","1") = "7"
    & skf18("3","6","3","1","1","9","1") = "8"
    & skf18("3","6","3","1","1","10","1") = "9"
    & skf18("3","6","3","1","2","1","1") = "5"
    & skf18("3","6","3","1","2","2","1") = "5"
    & skf18("3","6","3","1","2","3","1") = "5"
    & skf18("3","6","3","1","2","4","1") = "5"
    & skf18("3","6","3","1","2","5","1") = "5"
    & skf18("3","6","3","1","2","6","1") = "5"
    & skf18("3","6","3","1","2","7","1") = "6"
    & skf18("3","6","3","1","2","8","1") = "7"
    & skf18("3","6","3","1","2","9","1") = "8"
    & skf18("3","6","3","1","2","10","1") = "9"
    & skf18("3","6","3","1","3","1","1") = "5"
    & skf18("3","6","3","1","3","2","1") = "5"
    & skf18("3","6","3","1","3","3","1") = "5"
    & skf18("3","6","3","1","3","4","1") = "5"
    & skf18("3","6","3","1","3","5","1") = "5"
    & skf18("3","6","3","1","3","6","1") = "5"
    & skf18("3","6","3","1","3","7","1") = "6"
    & skf18("3","6","3","1","3","8","1") = "7"
    & skf18("3","6","3","1","3","9","1") = "8"
    & skf18("3","6","3","1","3","10","1") = "9"
    & skf18("3","6","3","1","4","1","1") = "5"
    & skf18("3","6","3","1","4","2","1") = "5"
    & skf18("3","6","3","1","4","3","1") = "5"
    & skf18("3","6","3","1","4","4","1") = "5"
    & skf18("3","6","3","1","4","5","1") = "5"
    & skf18("3","6","3","1","4","6","1") = "5"
    & skf18("3","6","3","1","4","7","1") = "6"
    & skf18("3","6","3","1","4","8","1") = "7"
    & skf18("3","6","3","1","4","9","1") = "8"
    & skf18("3","6","3","1","4","10","1") = "9"
    & skf18("3","6","3","1","5","1","1") = "5"
    & skf18("3","6","3","1","5","2","1") = "5"
    & skf18("3","6","3","1","5","3","1") = "5"
    & skf18("3","6","3","1","5","4","1") = "5"
    & skf18("3","6","3","1","5","5","1") = "5"
    & skf18("3","6","3","1","5","6","1") = "5"
    & skf18("3","6","3","1","5","7","1") = "6"
    & skf18("3","6","3","1","5","8","1") = "7"
    & skf18("3","6","3","1","5","9","1") = "8"
    & skf18("3","6","3","1","5","10","1") = "9"
    & skf18("3","6","3","1","6","1","1") = "5"
    & skf18("3","6","3","1","6","2","1") = "5"
    & skf18("3","6","3","1","6","3","1") = "5"
    & skf18("3","6","3","1","6","4","1") = "5"
    & skf18("3","6","3","1","6","5","1") = "5"
    & skf18("3","6","3","1","6","6","1") = "5"
    & skf18("3","6","3","1","6","7","1") = "6"
    & skf18("3","6","3","1","6","8","1") = "7"
    & skf18("3","6","3","1","6","9","1") = "8"
    & skf18("3","6","3","1","6","10","1") = "9"
    & skf18("3","6","3","1","7","1","1") = "6"
    & skf18("3","6","3","1","7","2","1") = "6"
    & skf18("3","6","3","1","7","3","1") = "6"
    & skf18("3","6","3","1","7","4","1") = "6"
    & skf18("3","6","3","1","7","5","1") = "6"
    & skf18("3","6","3","1","7","6","1") = "6"
    & skf18("3","6","3","1","7","7","1") = "6"
    & skf18("3","6","3","1","7","8","1") = "7"
    & skf18("3","6","3","1","7","9","1") = "8"
    & skf18("3","6","3","1","7","10","1") = "9"
    & skf18("3","6","3","1","8","1","1") = "7"
    & skf18("3","6","3","1","8","2","1") = "7"
    & skf18("3","6","3","1","8","3","1") = "7"
    & skf18("3","6","3","1","8","4","1") = "7"
    & skf18("3","6","3","1","8","5","1") = "7"
    & skf18("3","6","3","1","8","6","1") = "7"
    & skf18("3","6","3","1","8","7","1") = "7"
    & skf18("3","6","3","1","8","8","1") = "7"
    & skf18("3","6","3","1","8","9","1") = "8"
    & skf18("3","6","3","1","8","10","1") = "9"
    & skf18("3","6","3","1","9","1","1") = "8"
    & skf18("3","6","3","1","9","2","1") = "8"
    & skf18("3","6","3","1","9","3","1") = "8"
    & skf18("3","6","3","1","9","4","1") = "8"
    & skf18("3","6","3","1","9","5","1") = "8"
    & skf18("3","6","3","1","9","6","1") = "8"
    & skf18("3","6","3","1","9","7","1") = "8"
    & skf18("3","6","3","1","9","8","1") = "8"
    & skf18("3","6","3","1","9","9","1") = "8"
    & skf18("3","6","3","1","9","10","1") = "9"
    & skf18("3","6","3","1","10","1","1") = "9"
    & skf18("3","6","3","1","10","2","1") = "9"
    & skf18("3","6","3","1","10","3","1") = "9"
    & skf18("3","6","3","1","10","4","1") = "9"
    & skf18("3","6","3","1","10","5","1") = "9"
    & skf18("3","6","3","1","10","6","1") = "9"
    & skf18("3","6","3","1","10","7","1") = "9"
    & skf18("3","6","3","1","10","8","1") = "9"
    & skf18("3","6","3","1","10","9","1") = "9"
    & skf18("3","6","3","1","10","10","1") = "9"
    & skf18("3","6","3","2","1","1","1") = "5"
    & skf18("3","6","3","2","1","2","1") = "5"
    & skf18("3","6","3","2","1","3","1") = "5"
    & skf18("3","6","3","2","1","4","1") = "5"
    & skf18("3","6","3","2","1","5","1") = "5"
    & skf18("3","6","3","2","1","6","1") = "5"
    & skf18("3","6","3","2","1","7","1") = "6"
    & skf18("3","6","3","2","1","8","1") = "7"
    & skf18("3","6","3","2","1","9","1") = "8"
    & skf18("3","6","3","2","1","10","1") = "9"
    & skf18("3","6","3","2","2","1","1") = "5"
    & skf18("3","6","3","2","2","2","1") = "5"
    & skf18("3","6","3","2","2","3","1") = "5"
    & skf18("3","6","3","2","2","4","1") = "5"
    & skf18("3","6","3","2","2","5","1") = "5"
    & skf18("3","6","3","2","2","6","1") = "5"
    & skf18("3","6","3","2","2","7","1") = "6"
    & skf18("3","6","3","2","2","8","1") = "7"
    & skf18("3","6","3","2","2","9","1") = "8"
    & skf18("3","6","3","2","2","10","1") = "9"
    & skf18("3","6","3","2","3","1","1") = "5"
    & skf18("3","6","3","2","3","2","1") = "5"
    & skf18("3","6","3","2","3","3","1") = "5"
    & skf18("3","6","3","2","3","4","1") = "5"
    & skf18("3","6","3","2","3","5","1") = "5"
    & skf18("3","6","3","2","3","6","1") = "5"
    & skf18("3","6","3","2","3","7","1") = "6"
    & skf18("3","6","3","2","3","8","1") = "7"
    & skf18("3","6","3","2","3","9","1") = "8"
    & skf18("3","6","3","2","3","10","1") = "9"
    & skf18("3","6","3","2","4","1","1") = "5"
    & skf18("3","6","3","2","4","2","1") = "5"
    & skf18("3","6","3","2","4","3","1") = "5"
    & skf18("3","6","3","2","4","4","1") = "5"
    & skf18("3","6","3","2","4","5","1") = "5"
    & skf18("3","6","3","2","4","6","1") = "5"
    & skf18("3","6","3","2","4","7","1") = "6"
    & skf18("3","6","3","2","4","8","1") = "7"
    & skf18("3","6","3","2","4","9","1") = "8"
    & skf18("3","6","3","2","4","10","1") = "9"
    & skf18("3","6","3","2","5","1","1") = "5"
    & skf18("3","6","3","2","5","2","1") = "5"
    & skf18("3","6","3","2","5","3","1") = "5"
    & skf18("3","6","3","2","5","4","1") = "5"
    & skf18("3","6","3","2","5","5","1") = "5"
    & skf18("3","6","3","2","5","6","1") = "5"
    & skf18("3","6","3","2","5","7","1") = "6"
    & skf18("3","6","3","2","5","8","1") = "7"
    & skf18("3","6","3","2","5","9","1") = "8"
    & skf18("3","6","3","2","5","10","1") = "9"
    & skf18("3","6","3","2","6","1","1") = "5"
    & skf18("3","6","3","2","6","2","1") = "5"
    & skf18("3","6","3","2","6","3","1") = "5"
    & skf18("3","6","3","2","6","4","1") = "5"
    & skf18("3","6","3","2","6","5","1") = "5"
    & skf18("3","6","3","2","6","6","1") = "5"
    & skf18("3","6","3","2","6","7","1") = "6"
    & skf18("3","6","3","2","6","8","1") = "7"
    & skf18("3","6","3","2","6","9","1") = "8"
    & skf18("3","6","3","2","6","10","1") = "9"
    & skf18("3","6","3","2","7","1","1") = "6"
    & skf18("3","6","3","2","7","2","1") = "6"
    & skf18("3","6","3","2","7","3","1") = "6"
    & skf18("3","6","3","2","7","4","1") = "6"
    & skf18("3","6","3","2","7","5","1") = "6"
    & skf18("3","6","3","2","7","6","1") = "6"
    & skf18("3","6","3","2","7","7","1") = "6"
    & skf18("3","6","3","2","7","8","1") = "7"
    & skf18("3","6","3","2","7","9","1") = "8"
    & skf18("3","6","3","2","7","10","1") = "9"
    & skf18("3","6","3","2","8","1","1") = "7"
    & skf18("3","6","3","2","8","2","1") = "7"
    & skf18("3","6","3","2","8","3","1") = "7"
    & skf18("3","6","3","2","8","4","1") = "7"
    & skf18("3","6","3","2","8","5","1") = "7"
    & skf18("3","6","3","2","8","6","1") = "7"
    & skf18("3","6","3","2","8","7","1") = "7"
    & skf18("3","6","3","2","8","8","1") = "7"
    & skf18("3","6","3","2","8","9","1") = "8"
    & skf18("3","6","3","2","8","10","1") = "9"
    & skf18("3","6","3","2","9","1","1") = "8"
    & skf18("3","6","3","2","9","2","1") = "8"
    & skf18("3","6","3","2","9","3","1") = "8"
    & skf18("3","6","3","2","9","4","1") = "8"
    & skf18("3","6","3","2","9","5","1") = "8"
    & skf18("3","6","3","2","9","6","1") = "8"
    & skf18("3","6","3","2","9","7","1") = "8"
    & skf18("3","6","3","2","9","8","1") = "8"
    & skf18("3","6","3","2","9","9","1") = "8"
    & skf18("3","6","3","2","9","10","1") = "9"
    & skf18("3","6","3","2","10","1","1") = "9"
    & skf18("3","6","3","2","10","2","1") = "9"
    & skf18("3","6","3","2","10","3","1") = "9"
    & skf18("3","6","3","2","10","4","1") = "9"
    & skf18("3","6","3","2","10","5","1") = "9"
    & skf18("3","6","3","2","10","6","1") = "9"
    & skf18("3","6","3","2","10","7","1") = "9"
    & skf18("3","6","3","2","10","8","1") = "9"
    & skf18("3","6","3","2","10","9","1") = "9"
    & skf18("3","6","3","2","10","10","1") = "9"
    & skf18("3","6","3","3","1","1","1") = "5"
    & skf18("3","6","3","3","1","2","1") = "5"
    & skf18("3","6","3","3","1","3","1") = "5"
    & skf18("3","6","3","3","1","4","1") = "5"
    & skf18("3","6","3","3","1","5","1") = "5"
    & skf18("3","6","3","3","1","6","1") = "5"
    & skf18("3","6","3","3","1","7","1") = "6"
    & skf18("3","6","3","3","1","8","1") = "7"
    & skf18("3","6","3","3","1","9","1") = "8"
    & skf18("3","6","3","3","1","10","1") = "9"
    & skf18("3","6","3","3","2","1","1") = "5"
    & skf18("3","6","3","3","2","2","1") = "5"
    & skf18("3","6","3","3","2","3","1") = "5"
    & skf18("3","6","3","3","2","4","1") = "5"
    & skf18("3","6","3","3","2","5","1") = "5"
    & skf18("3","6","3","3","2","6","1") = "5"
    & skf18("3","6","3","3","2","7","1") = "6"
    & skf18("3","6","3","3","2","8","1") = "7"
    & skf18("3","6","3","3","2","9","1") = "8"
    & skf18("3","6","3","3","2","10","1") = "9"
    & skf18("3","6","3","3","3","1","1") = "5"
    & skf18("3","6","3","3","3","2","1") = "5"
    & skf18("3","6","3","3","3","3","1") = "5"
    & skf18("3","6","3","3","3","4","1") = "5"
    & skf18("3","6","3","3","3","5","1") = "5"
    & skf18("3","6","3","3","3","6","1") = "5"
    & skf18("3","6","3","3","3","7","1") = "6"
    & skf18("3","6","3","3","3","8","1") = "7"
    & skf18("3","6","3","3","3","9","1") = "8"
    & skf18("3","6","3","3","3","10","1") = "9"
    & skf18("3","6","3","3","4","1","1") = "5"
    & skf18("3","6","3","3","4","2","1") = "5"
    & skf18("3","6","3","3","4","3","1") = "5"
    & skf18("3","6","3","3","4","4","1") = "5"
    & skf18("3","6","3","3","4","5","1") = "5"
    & skf18("3","6","3","3","4","6","1") = "5"
    & skf18("3","6","3","3","4","7","1") = "6"
    & skf18("3","6","3","3","4","8","1") = "7"
    & skf18("3","6","3","3","4","9","1") = "8"
    & skf18("3","6","3","3","4","10","1") = "9"
    & skf18("3","6","3","3","5","1","1") = "5"
    & skf18("3","6","3","3","5","2","1") = "5"
    & skf18("3","6","3","3","5","3","1") = "5"
    & skf18("3","6","3","3","5","4","1") = "5"
    & skf18("3","6","3","3","5","5","1") = "5"
    & skf18("3","6","3","3","5","6","1") = "5"
    & skf18("3","6","3","3","5","7","1") = "6"
    & skf18("3","6","3","3","5","8","1") = "7"
    & skf18("3","6","3","3","5","9","1") = "8"
    & skf18("3","6","3","3","5","10","1") = "9"
    & skf18("3","6","3","3","6","1","1") = "5"
    & skf18("3","6","3","3","6","2","1") = "5"
    & skf18("3","6","3","3","6","3","1") = "5"
    & skf18("3","6","3","3","6","4","1") = "5"
    & skf18("3","6","3","3","6","5","1") = "5"
    & skf18("3","6","3","3","6","6","1") = "5"
    & skf18("3","6","3","3","6","7","1") = "6"
    & skf18("3","6","3","3","6","8","1") = "7"
    & skf18("3","6","3","3","6","9","1") = "8"
    & skf18("3","6","3","3","6","10","1") = "9"
    & skf18("3","6","3","3","7","1","1") = "6"
    & skf18("3","6","3","3","7","2","1") = "6"
    & skf18("3","6","3","3","7","3","1") = "6"
    & skf18("3","6","3","3","7","4","1") = "6"
    & skf18("3","6","3","3","7","5","1") = "6"
    & skf18("3","6","3","3","7","6","1") = "6"
    & skf18("3","6","3","3","7","7","1") = "6"
    & skf18("3","6","3","3","7","8","1") = "7"
    & skf18("3","6","3","3","7","9","1") = "8"
    & skf18("3","6","3","3","7","10","1") = "9"
    & skf18("3","6","3","3","8","1","1") = "7"
    & skf18("3","6","3","3","8","2","1") = "7"
    & skf18("3","6","3","3","8","3","1") = "7"
    & skf18("3","6","3","3","8","4","1") = "7"
    & skf18("3","6","3","3","8","5","1") = "7"
    & skf18("3","6","3","3","8","6","1") = "7"
    & skf18("3","6","3","3","8","7","1") = "7"
    & skf18("3","6","3","3","8","8","1") = "7"
    & skf18("3","6","3","3","8","9","1") = "8"
    & skf18("3","6","3","3","8","10","1") = "9"
    & skf18("3","6","3","3","9","1","1") = "8"
    & skf18("3","6","3","3","9","2","1") = "8"
    & skf18("3","6","3","3","9","3","1") = "8"
    & skf18("3","6","3","3","9","4","1") = "8"
    & skf18("3","6","3","3","9","5","1") = "8"
    & skf18("3","6","3","3","9","6","1") = "8"
    & skf18("3","6","3","3","9","7","1") = "8"
    & skf18("3","6","3","3","9","8","1") = "8"
    & skf18("3","6","3","3","9","9","1") = "8"
    & skf18("3","6","3","3","9","10","1") = "9"
    & skf18("3","6","3","3","10","1","1") = "9"
    & skf18("3","6","3","3","10","2","1") = "9"
    & skf18("3","6","3","3","10","3","1") = "9"
    & skf18("3","6","3","3","10","4","1") = "9"
    & skf18("3","6","3","3","10","5","1") = "9"
    & skf18("3","6","3","3","10","6","1") = "9"
    & skf18("3","6","3","3","10","7","1") = "9"
    & skf18("3","6","3","3","10","8","1") = "9"
    & skf18("3","6","3","3","10","9","1") = "9"
    & skf18("3","6","3","3","10","10","1") = "9"
    & skf18("3","6","3","4","1","1","1") = "5"
    & skf18("3","6","3","4","1","2","1") = "5"
    & skf18("3","6","3","4","1","3","1") = "5"
    & skf18("3","6","3","4","1","4","1") = "5"
    & skf18("3","6","3","4","1","5","1") = "5"
    & skf18("3","6","3","4","1","6","1") = "5"
    & skf18("3","6","3","4","1","7","1") = "6"
    & skf18("3","6","3","4","1","8","1") = "7"
    & skf18("3","6","3","4","1","9","1") = "8"
    & skf18("3","6","3","4","1","10","1") = "9"
    & skf18("3","6","3","4","2","1","1") = "5"
    & skf18("3","6","3","4","2","2","1") = "5"
    & skf18("3","6","3","4","2","3","1") = "5"
    & skf18("3","6","3","4","2","4","1") = "5"
    & skf18("3","6","3","4","2","5","1") = "5"
    & skf18("3","6","3","4","2","6","1") = "5"
    & skf18("3","6","3","4","2","7","1") = "6"
    & skf18("3","6","3","4","2","8","1") = "7"
    & skf18("3","6","3","4","2","9","1") = "8"
    & skf18("3","6","3","4","2","10","1") = "9"
    & skf18("3","6","3","4","3","1","1") = "5"
    & skf18("3","6","3","4","3","2","1") = "5"
    & skf18("3","6","3","4","3","3","1") = "5"
    & skf18("3","6","3","4","3","4","1") = "5"
    & skf18("3","6","3","4","3","5","1") = "5"
    & skf18("3","6","3","4","3","6","1") = "5"
    & skf18("3","6","3","4","3","7","1") = "6"
    & skf18("3","6","3","4","3","8","1") = "7"
    & skf18("3","6","3","4","3","9","1") = "8"
    & skf18("3","6","3","4","3","10","1") = "9"
    & skf18("3","6","3","4","4","1","1") = "5"
    & skf18("3","6","3","4","4","2","1") = "5"
    & skf18("3","6","3","4","4","3","1") = "5"
    & skf18("3","6","3","4","4","4","1") = "5"
    & skf18("3","6","3","4","4","5","1") = "5"
    & skf18("3","6","3","4","4","6","1") = "5"
    & skf18("3","6","3","4","4","7","1") = "6"
    & skf18("3","6","3","4","4","8","1") = "7"
    & skf18("3","6","3","4","4","9","1") = "8"
    & skf18("3","6","3","4","4","10","1") = "9"
    & skf18("3","6","3","4","5","1","1") = "5"
    & skf18("3","6","3","4","5","2","1") = "5"
    & skf18("3","6","3","4","5","3","1") = "5"
    & skf18("3","6","3","4","5","4","1") = "5"
    & skf18("3","6","3","4","5","5","1") = "5"
    & skf18("3","6","3","4","5","6","1") = "5"
    & skf18("3","6","3","4","5","7","1") = "6"
    & skf18("3","6","3","4","5","8","1") = "7"
    & skf18("3","6","3","4","5","9","1") = "8"
    & skf18("3","6","3","4","5","10","1") = "9"
    & skf18("3","6","3","4","6","1","1") = "5"
    & skf18("3","6","3","4","6","2","1") = "5"
    & skf18("3","6","3","4","6","3","1") = "5"
    & skf18("3","6","3","4","6","4","1") = "5"
    & skf18("3","6","3","4","6","5","1") = "5"
    & skf18("3","6","3","4","6","6","1") = "5"
    & skf18("3","6","3","4","6","7","1") = "6"
    & skf18("3","6","3","4","6","8","1") = "7"
    & skf18("3","6","3","4","6","9","1") = "8"
    & skf18("3","6","3","4","6","10","1") = "9"
    & skf18("3","6","3","4","7","1","1") = "6"
    & skf18("3","6","3","4","7","2","1") = "6"
    & skf18("3","6","3","4","7","3","1") = "6"
    & skf18("3","6","3","4","7","4","1") = "6"
    & skf18("3","6","3","4","7","5","1") = "6"
    & skf18("3","6","3","4","7","6","1") = "6"
    & skf18("3","6","3","4","7","7","1") = "6"
    & skf18("3","6","3","4","7","8","1") = "7"
    & skf18("3","6","3","4","7","9","1") = "8"
    & skf18("3","6","3","4","7","10","1") = "9"
    & skf18("3","6","3","4","8","1","1") = "7"
    & skf18("3","6","3","4","8","2","1") = "7"
    & skf18("3","6","3","4","8","3","1") = "7"
    & skf18("3","6","3","4","8","4","1") = "7"
    & skf18("3","6","3","4","8","5","1") = "7"
    & skf18("3","6","3","4","8","6","1") = "7"
    & skf18("3","6","3","4","8","7","1") = "7"
    & skf18("3","6","3","4","8","8","1") = "7"
    & skf18("3","6","3","4","8","9","1") = "8"
    & skf18("3","6","3","4","8","10","1") = "9"
    & skf18("3","6","3","4","9","1","1") = "8"
    & skf18("3","6","3","4","9","2","1") = "8"
    & skf18("3","6","3","4","9","3","1") = "8"
    & skf18("3","6","3","4","9","4","1") = "8"
    & skf18("3","6","3","4","9","5","1") = "8"
    & skf18("3","6","3","4","9","6","1") = "8"
    & skf18("3","6","3","4","9","7","1") = "8"
    & skf18("3","6","3","4","9","8","1") = "8"
    & skf18("3","6","3","4","9","9","1") = "8"
    & skf18("3","6","3","4","9","10","1") = "9"
    & skf18("3","6","3","4","10","1","1") = "9"
    & skf18("3","6","3","4","10","2","1") = "9"
    & skf18("3","6","3","4","10","3","1") = "9"
    & skf18("3","6","3","4","10","4","1") = "9"
    & skf18("3","6","3","4","10","5","1") = "9"
    & skf18("3","6","3","4","10","6","1") = "9"
    & skf18("3","6","3","4","10","7","1") = "9"
    & skf18("3","6","3","4","10","8","1") = "9"
    & skf18("3","6","3","4","10","9","1") = "9"
    & skf18("3","6","3","4","10","10","1") = "9"
    & skf18("3","6","3","5","1","1","1") = "5"
    & skf18("3","6","3","5","1","2","1") = "5"
    & skf18("3","6","3","5","1","3","1") = "5"
    & skf18("3","6","3","5","1","4","1") = "5"
    & skf18("3","6","3","5","1","5","1") = "5"
    & skf18("3","6","3","5","1","6","1") = "5"
    & skf18("3","6","3","5","1","7","1") = "6"
    & skf18("3","6","3","5","1","8","1") = "7"
    & skf18("3","6","3","5","1","9","1") = "8"
    & skf18("3","6","3","5","1","10","1") = "9"
    & skf18("3","6","3","5","2","1","1") = "5"
    & skf18("3","6","3","5","2","2","1") = "5"
    & skf18("3","6","3","5","2","3","1") = "5"
    & skf18("3","6","3","5","2","4","1") = "5"
    & skf18("3","6","3","5","2","5","1") = "5"
    & skf18("3","6","3","5","2","6","1") = "5"
    & skf18("3","6","3","5","2","7","1") = "6"
    & skf18("3","6","3","5","2","8","1") = "7"
    & skf18("3","6","3","5","2","9","1") = "8"
    & skf18("3","6","3","5","2","10","1") = "9"
    & skf18("3","6","3","5","3","1","1") = "5"
    & skf18("3","6","3","5","3","2","1") = "5"
    & skf18("3","6","3","5","3","3","1") = "5"
    & skf18("3","6","3","5","3","4","1") = "5"
    & skf18("3","6","3","5","3","5","1") = "5"
    & skf18("3","6","3","5","3","6","1") = "5"
    & skf18("3","6","3","5","3","7","1") = "6"
    & skf18("3","6","3","5","3","8","1") = "7"
    & skf18("3","6","3","5","3","9","1") = "8"
    & skf18("3","6","3","5","3","10","1") = "9"
    & skf18("3","6","3","5","4","1","1") = "5"
    & skf18("3","6","3","5","4","2","1") = "5"
    & skf18("3","6","3","5","4","3","1") = "5"
    & skf18("3","6","3","5","4","4","1") = "5"
    & skf18("3","6","3","5","4","5","1") = "5"
    & skf18("3","6","3","5","4","6","1") = "5"
    & skf18("3","6","3","5","4","7","1") = "6"
    & skf18("3","6","3","5","4","8","1") = "7"
    & skf18("3","6","3","5","4","9","1") = "8"
    & skf18("3","6","3","5","4","10","1") = "9"
    & skf18("3","6","3","5","5","1","1") = "5"
    & skf18("3","6","3","5","5","2","1") = "5"
    & skf18("3","6","3","5","5","3","1") = "5"
    & skf18("3","6","3","5","5","4","1") = "5"
    & skf18("3","6","3","5","5","5","1") = "5"
    & skf18("3","6","3","5","5","6","1") = "5"
    & skf18("3","6","3","5","5","7","1") = "6"
    & skf18("3","6","3","5","5","8","1") = "7"
    & skf18("3","6","3","5","5","9","1") = "8"
    & skf18("3","6","3","5","5","10","1") = "9"
    & skf18("3","6","3","5","6","1","1") = "5"
    & skf18("3","6","3","5","6","2","1") = "5"
    & skf18("3","6","3","5","6","3","1") = "5"
    & skf18("3","6","3","5","6","4","1") = "5"
    & skf18("3","6","3","5","6","5","1") = "5"
    & skf18("3","6","3","5","6","6","1") = "5"
    & skf18("3","6","3","5","6","7","1") = "6"
    & skf18("3","6","3","5","6","8","1") = "7"
    & skf18("3","6","3","5","6","9","1") = "8"
    & skf18("3","6","3","5","6","10","1") = "9"
    & skf18("3","6","3","5","7","1","1") = "6"
    & skf18("3","6","3","5","7","2","1") = "6"
    & skf18("3","6","3","5","7","3","1") = "6"
    & skf18("3","6","3","5","7","4","1") = "6"
    & skf18("3","6","3","5","7","5","1") = "6"
    & skf18("3","6","3","5","7","6","1") = "6"
    & skf18("3","6","3","5","7","7","1") = "6"
    & skf18("3","6","3","5","7","8","1") = "7"
    & skf18("3","6","3","5","7","9","1") = "8"
    & skf18("3","6","3","5","7","10","1") = "9"
    & skf18("3","6","3","5","8","1","1") = "7"
    & skf18("3","6","3","5","8","2","1") = "7"
    & skf18("3","6","3","5","8","3","1") = "7"
    & skf18("3","6","3","5","8","4","1") = "7"
    & skf18("3","6","3","5","8","5","1") = "7"
    & skf18("3","6","3","5","8","6","1") = "7"
    & skf18("3","6","3","5","8","7","1") = "7"
    & skf18("3","6","3","5","8","8","1") = "7"
    & skf18("3","6","3","5","8","9","1") = "8"
    & skf18("3","6","3","5","8","10","1") = "9"
    & skf18("3","6","3","5","9","1","1") = "8"
    & skf18("3","6","3","5","9","2","1") = "8"
    & skf18("3","6","3","5","9","3","1") = "8"
    & skf18("3","6","3","5","9","4","1") = "8"
    & skf18("3","6","3","5","9","5","1") = "8"
    & skf18("3","6","3","5","9","6","1") = "8"
    & skf18("3","6","3","5","9","7","1") = "8"
    & skf18("3","6","3","5","9","8","1") = "8"
    & skf18("3","6","3","5","9","9","1") = "8"
    & skf18("3","6","3","5","9","10","1") = "9"
    & skf18("3","6","3","5","10","1","1") = "9"
    & skf18("3","6","3","5","10","2","1") = "9"
    & skf18("3","6","3","5","10","3","1") = "9"
    & skf18("3","6","3","5","10","4","1") = "9"
    & skf18("3","6","3","5","10","5","1") = "9"
    & skf18("3","6","3","5","10","6","1") = "9"
    & skf18("3","6","3","5","10","7","1") = "9"
    & skf18("3","6","3","5","10","8","1") = "9"
    & skf18("3","6","3","5","10","9","1") = "9"
    & skf18("3","6","3","5","10","10","1") = "9"
    & skf18("3","6","3","6","1","1","1") = "5"
    & skf18("3","6","3","6","1","2","1") = "5"
    & skf18("3","6","3","6","1","3","1") = "5"
    & skf18("3","6","3","6","1","4","1") = "5"
    & skf18("3","6","3","6","1","5","1") = "5"
    & skf18("3","6","3","6","1","6","1") = "5"
    & skf18("3","6","3","6","1","7","1") = "6"
    & skf18("3","6","3","6","1","8","1") = "7"
    & skf18("3","6","3","6","1","9","1") = "8"
    & skf18("3","6","3","6","1","10","1") = "9"
    & skf18("3","6","3","6","2","1","1") = "5"
    & skf18("3","6","3","6","2","2","1") = "5"
    & skf18("3","6","3","6","2","3","1") = "5"
    & skf18("3","6","3","6","2","4","1") = "5"
    & skf18("3","6","3","6","2","5","1") = "5"
    & skf18("3","6","3","6","2","6","1") = "5"
    & skf18("3","6","3","6","2","7","1") = "6"
    & skf18("3","6","3","6","2","8","1") = "7"
    & skf18("3","6","3","6","2","9","1") = "8"
    & skf18("3","6","3","6","2","10","1") = "9"
    & skf18("3","6","3","6","3","1","1") = "5"
    & skf18("3","6","3","6","3","2","1") = "5"
    & skf18("3","6","3","6","3","3","1") = "5"
    & skf18("3","6","3","6","3","4","1") = "5"
    & skf18("3","6","3","6","3","5","1") = "5"
    & skf18("3","6","3","6","3","6","1") = "5"
    & skf18("3","6","3","6","3","7","1") = "6"
    & skf18("3","6","3","6","3","8","1") = "7"
    & skf18("3","6","3","6","3","9","1") = "8"
    & skf18("3","6","3","6","3","10","1") = "9"
    & skf18("3","6","3","6","4","1","1") = "5"
    & skf18("3","6","3","6","4","2","1") = "5"
    & skf18("3","6","3","6","4","3","1") = "5"
    & skf18("3","6","3","6","4","4","1") = "5"
    & skf18("3","6","3","6","4","5","1") = "5"
    & skf18("3","6","3","6","4","6","1") = "5"
    & skf18("3","6","3","6","4","7","1") = "6"
    & skf18("3","6","3","6","4","8","1") = "7"
    & skf18("3","6","3","6","4","9","1") = "8"
    & skf18("3","6","3","6","4","10","1") = "9"
    & skf18("3","6","3","6","5","1","1") = "5"
    & skf18("3","6","3","6","5","2","1") = "5"
    & skf18("3","6","3","6","5","3","1") = "5"
    & skf18("3","6","3","6","5","4","1") = "5"
    & skf18("3","6","3","6","5","5","1") = "5"
    & skf18("3","6","3","6","5","6","1") = "5"
    & skf18("3","6","3","6","5","7","1") = "6"
    & skf18("3","6","3","6","5","8","1") = "7"
    & skf18("3","6","3","6","5","9","1") = "8"
    & skf18("3","6","3","6","5","10","1") = "9"
    & skf18("3","6","3","6","6","1","1") = "5"
    & skf18("3","6","3","6","6","2","1") = "5"
    & skf18("3","6","3","6","6","3","1") = "5"
    & skf18("3","6","3","6","6","4","1") = "5"
    & skf18("3","6","3","6","6","5","1") = "5"
    & skf18("3","6","3","6","6","6","1") = "5"
    & skf18("3","6","3","6","6","7","1") = "6"
    & skf18("3","6","3","6","6","8","1") = "7"
    & skf18("3","6","3","6","6","9","1") = "8"
    & skf18("3","6","3","6","6","10","1") = "9"
    & skf18("3","6","3","6","7","1","1") = "6"
    & skf18("3","6","3","6","7","2","1") = "6"
    & skf18("3","6","3","6","7","3","1") = "6"
    & skf18("3","6","3","6","7","4","1") = "6"
    & skf18("3","6","3","6","7","5","1") = "6"
    & skf18("3","6","3","6","7","6","1") = "6"
    & skf18("3","6","3","6","7","7","1") = "6"
    & skf18("3","6","3","6","7","8","1") = "7"
    & skf18("3","6","3","6","7","9","1") = "8"
    & skf18("3","6","3","6","7","10","1") = "9"
    & skf18("3","6","3","6","8","1","1") = "7"
    & skf18("3","6","3","6","8","2","1") = "7"
    & skf18("3","6","3","6","8","3","1") = "7"
    & skf18("3","6","3","6","8","4","1") = "7"
    & skf18("3","6","3","6","8","5","1") = "7"
    & skf18("3","6","3","6","8","6","1") = "7"
    & skf18("3","6","3","6","8","7","1") = "7"
    & skf18("3","6","3","6","8","8","1") = "7"
    & skf18("3","6","3","6","8","9","1") = "8"
    & skf18("3","6","3","6","8","10","1") = "9"
    & skf18("3","6","3","6","9","1","1") = "8"
    & skf18("3","6","3","6","9","2","1") = "8"
    & skf18("3","6","3","6","9","3","1") = "8"
    & skf18("3","6","3","6","9","4","1") = "8"
    & skf18("3","6","3","6","9","5","1") = "8"
    & skf18("3","6","3","6","9","6","1") = "8"
    & skf18("3","6","3","6","9","7","1") = "8"
    & skf18("3","6","3","6","9","8","1") = "8"
    & skf18("3","6","3","6","9","9","1") = "8"
    & skf18("3","6","3","6","9","10","1") = "9"
    & skf18("3","6","3","6","10","1","1") = "9"
    & skf18("3","6","3","6","10","2","1") = "9"
    & skf18("3","6","3","6","10","3","1") = "9"
    & skf18("3","6","3","6","10","4","1") = "9"
    & skf18("3","6","3","6","10","5","1") = "9"
    & skf18("3","6","3","6","10","6","1") = "9"
    & skf18("3","6","3","6","10","7","1") = "9"
    & skf18("3","6","3","6","10","8","1") = "9"
    & skf18("3","6","3","6","10","9","1") = "9"
    & skf18("3","6","3","6","10","10","1") = "9"
    & skf18("3","6","3","7","1","1","1") = "6"
    & skf18("3","6","3","7","1","2","1") = "6"
    & skf18("3","6","3","7","1","3","1") = "6"
    & skf18("3","6","3","7","1","4","1") = "6"
    & skf18("3","6","3","7","1","5","1") = "6"
    & skf18("3","6","3","7","1","6","1") = "6"
    & skf18("3","6","3","7","1","7","1") = "6"
    & skf18("3","6","3","7","1","8","1") = "7"
    & skf18("3","6","3","7","1","9","1") = "8"
    & skf18("3","6","3","7","1","10","1") = "9"
    & skf18("3","6","3","7","2","1","1") = "6"
    & skf18("3","6","3","7","2","2","1") = "6"
    & skf18("3","6","3","7","2","3","1") = "6"
    & skf18("3","6","3","7","2","4","1") = "6"
    & skf18("3","6","3","7","2","5","1") = "6"
    & skf18("3","6","3","7","2","6","1") = "6"
    & skf18("3","6","3","7","2","7","1") = "6"
    & skf18("3","6","3","7","2","8","1") = "7"
    & skf18("3","6","3","7","2","9","1") = "8"
    & skf18("3","6","3","7","2","10","1") = "9"
    & skf18("3","6","3","7","3","1","1") = "6"
    & skf18("3","6","3","7","3","2","1") = "6"
    & skf18("3","6","3","7","3","3","1") = "6"
    & skf18("3","6","3","7","3","4","1") = "6"
    & skf18("3","6","3","7","3","5","1") = "6"
    & skf18("3","6","3","7","3","6","1") = "6"
    & skf18("3","6","3","7","3","7","1") = "6"
    & skf18("3","6","3","7","3","8","1") = "7"
    & skf18("3","6","3","7","3","9","1") = "8"
    & skf18("3","6","3","7","3","10","1") = "9"
    & skf18("3","6","3","7","4","1","1") = "6"
    & skf18("3","6","3","7","4","2","1") = "6"
    & skf18("3","6","3","7","4","3","1") = "6"
    & skf18("3","6","3","7","4","4","1") = "6"
    & skf18("3","6","3","7","4","5","1") = "6"
    & skf18("3","6","3","7","4","6","1") = "6"
    & skf18("3","6","3","7","4","7","1") = "6"
    & skf18("3","6","3","7","4","8","1") = "7"
    & skf18("3","6","3","7","4","9","1") = "8"
    & skf18("3","6","3","7","4","10","1") = "9"
    & skf18("3","6","3","7","5","1","1") = "6"
    & skf18("3","6","3","7","5","2","1") = "6"
    & skf18("3","6","3","7","5","3","1") = "6"
    & skf18("3","6","3","7","5","4","1") = "6"
    & skf18("3","6","3","7","5","5","1") = "6"
    & skf18("3","6","3","7","5","6","1") = "6"
    & skf18("3","6","3","7","5","7","1") = "6"
    & skf18("3","6","3","7","5","8","1") = "7"
    & skf18("3","6","3","7","5","9","1") = "8"
    & skf18("3","6","3","7","5","10","1") = "9"
    & skf18("3","6","3","7","6","1","1") = "6"
    & skf18("3","6","3","7","6","2","1") = "6"
    & skf18("3","6","3","7","6","3","1") = "6"
    & skf18("3","6","3","7","6","4","1") = "6"
    & skf18("3","6","3","7","6","5","1") = "6"
    & skf18("3","6","3","7","6","6","1") = "6"
    & skf18("3","6","3","7","6","7","1") = "6"
    & skf18("3","6","3","7","6","8","1") = "7"
    & skf18("3","6","3","7","6","9","1") = "8"
    & skf18("3","6","3","7","6","10","1") = "9"
    & skf18("3","6","3","7","7","1","1") = "6"
    & skf18("3","6","3","7","7","2","1") = "6"
    & skf18("3","6","3","7","7","3","1") = "6"
    & skf18("3","6","3","7","7","4","1") = "6"
    & skf18("3","6","3","7","7","5","1") = "6"
    & skf18("3","6","3","7","7","6","1") = "6"
    & skf18("3","6","3","7","7","7","1") = "6"
    & skf18("3","6","3","7","7","8","1") = "7"
    & skf18("3","6","3","7","7","9","1") = "8"
    & skf18("3","6","3","7","7","10","1") = "9"
    & skf18("3","6","3","7","8","1","1") = "7"
    & skf18("3","6","3","7","8","2","1") = "7"
    & skf18("3","6","3","7","8","3","1") = "7"
    & skf18("3","6","3","7","8","4","1") = "7"
    & skf18("3","6","3","7","8","5","1") = "7"
    & skf18("3","6","3","7","8","6","1") = "7"
    & skf18("3","6","3","7","8","7","1") = "7"
    & skf18("3","6","3","7","8","8","1") = "7"
    & skf18("3","6","3","7","8","9","1") = "8"
    & skf18("3","6","3","7","8","10","1") = "9"
    & skf18("3","6","3","7","9","1","1") = "8"
    & skf18("3","6","3","7","9","2","1") = "8"
    & skf18("3","6","3","7","9","3","1") = "8"
    & skf18("3","6","3","7","9","4","1") = "8"
    & skf18("3","6","3","7","9","5","1") = "8"
    & skf18("3","6","3","7","9","6","1") = "8"
    & skf18("3","6","3","7","9","7","1") = "8"
    & skf18("3","6","3","7","9","8","1") = "8"
    & skf18("3","6","3","7","9","9","1") = "8"
    & skf18("3","6","3","7","9","10","1") = "9"
    & skf18("3","6","3","7","10","1","1") = "9"
    & skf18("3","6","3","7","10","2","1") = "9"
    & skf18("3","6","3","7","10","3","1") = "9"
    & skf18("3","6","3","7","10","4","1") = "9"
    & skf18("3","6","3","7","10","5","1") = "9"
    & skf18("3","6","3","7","10","6","1") = "9"
    & skf18("3","6","3","7","10","7","1") = "9"
    & skf18("3","6","3","7","10","8","1") = "9"
    & skf18("3","6","3","7","10","9","1") = "9"
    & skf18("3","6","3","7","10","10","1") = "9"
    & skf18("3","6","3","8","1","1","1") = "7"
    & skf18("3","6","3","8","1","2","1") = "7"
    & skf18("3","6","3","8","1","3","1") = "7"
    & skf18("3","6","3","8","1","4","1") = "7"
    & skf18("3","6","3","8","1","5","1") = "7"
    & skf18("3","6","3","8","1","6","1") = "7"
    & skf18("3","6","3","8","1","7","1") = "7"
    & skf18("3","6","3","8","1","8","1") = "7"
    & skf18("3","6","3","8","1","9","1") = "8"
    & skf18("3","6","3","8","1","10","1") = "9"
    & skf18("3","6","3","8","2","1","1") = "7"
    & skf18("3","6","3","8","2","2","1") = "7"
    & skf18("3","6","3","8","2","3","1") = "7"
    & skf18("3","6","3","8","2","4","1") = "7"
    & skf18("3","6","3","8","2","5","1") = "7"
    & skf18("3","6","3","8","2","6","1") = "7"
    & skf18("3","6","3","8","2","7","1") = "7"
    & skf18("3","6","3","8","2","8","1") = "7"
    & skf18("3","6","3","8","2","9","1") = "8"
    & skf18("3","6","3","8","2","10","1") = "9"
    & skf18("3","6","3","8","3","1","1") = "7"
    & skf18("3","6","3","8","3","2","1") = "7"
    & skf18("3","6","3","8","3","3","1") = "7"
    & skf18("3","6","3","8","3","4","1") = "7"
    & skf18("3","6","3","8","3","5","1") = "7"
    & skf18("3","6","3","8","3","6","1") = "7"
    & skf18("3","6","3","8","3","7","1") = "7"
    & skf18("3","6","3","8","3","8","1") = "7"
    & skf18("3","6","3","8","3","9","1") = "8"
    & skf18("3","6","3","8","3","10","1") = "9"
    & skf18("3","6","3","8","4","1","1") = "7"
    & skf18("3","6","3","8","4","2","1") = "7"
    & skf18("3","6","3","8","4","3","1") = "7"
    & skf18("3","6","3","8","4","4","1") = "7"
    & skf18("3","6","3","8","4","5","1") = "7"
    & skf18("3","6","3","8","4","6","1") = "7"
    & skf18("3","6","3","8","4","7","1") = "7"
    & skf18("3","6","3","8","4","8","1") = "7"
    & skf18("3","6","3","8","4","9","1") = "8"
    & skf18("3","6","3","8","4","10","1") = "9"
    & skf18("3","6","3","8","5","1","1") = "7"
    & skf18("3","6","3","8","5","2","1") = "7"
    & skf18("3","6","3","8","5","3","1") = "7"
    & skf18("3","6","3","8","5","4","1") = "7"
    & skf18("3","6","3","8","5","5","1") = "7"
    & skf18("3","6","3","8","5","6","1") = "7"
    & skf18("3","6","3","8","5","7","1") = "7"
    & skf18("3","6","3","8","5","8","1") = "7"
    & skf18("3","6","3","8","5","9","1") = "8"
    & skf18("3","6","3","8","5","10","1") = "9"
    & skf18("3","6","3","8","6","1","1") = "7"
    & skf18("3","6","3","8","6","2","1") = "7"
    & skf18("3","6","3","8","6","3","1") = "7"
    & skf18("3","6","3","8","6","4","1") = "7"
    & skf18("3","6","3","8","6","5","1") = "7"
    & skf18("3","6","3","8","6","6","1") = "7"
    & skf18("3","6","3","8","6","7","1") = "7"
    & skf18("3","6","3","8","6","8","1") = "7"
    & skf18("3","6","3","8","6","9","1") = "8"
    & skf18("3","6","3","8","6","10","1") = "9"
    & skf18("3","6","3","8","7","1","1") = "7"
    & skf18("3","6","3","8","7","2","1") = "7"
    & skf18("3","6","3","8","7","3","1") = "7"
    & skf18("3","6","3","8","7","4","1") = "7"
    & skf18("3","6","3","8","7","5","1") = "7"
    & skf18("3","6","3","8","7","6","1") = "7"
    & skf18("3","6","3","8","7","7","1") = "7"
    & skf18("3","6","3","8","7","8","1") = "7"
    & skf18("3","6","3","8","7","9","1") = "8"
    & skf18("3","6","3","8","7","10","1") = "9"
    & skf18("3","6","3","8","8","1","1") = "7"
    & skf18("3","6","3","8","8","2","1") = "7"
    & skf18("3","6","3","8","8","3","1") = "7"
    & skf18("3","6","3","8","8","4","1") = "7"
    & skf18("3","6","3","8","8","5","1") = "7"
    & skf18("3","6","3","8","8","6","1") = "7"
    & skf18("3","6","3","8","8","7","1") = "7"
    & skf18("3","6","3","8","8","8","1") = "7"
    & skf18("3","6","3","8","8","9","1") = "8"
    & skf18("3","6","3","8","8","10","1") = "9"
    & skf18("3","6","3","8","9","1","1") = "8"
    & skf18("3","6","3","8","9","2","1") = "8"
    & skf18("3","6","3","8","9","3","1") = "8"
    & skf18("3","6","3","8","9","4","1") = "8"
    & skf18("3","6","3","8","9","5","1") = "8"
    & skf18("3","6","3","8","9","6","1") = "8"
    & skf18("3","6","3","8","9","7","1") = "8"
    & skf18("3","6","3","8","9","8","1") = "8"
    & skf18("3","6","3","8","9","9","1") = "8"
    & skf18("3","6","3","8","9","10","1") = "9"
    & skf18("3","6","3","8","10","1","1") = "9"
    & skf18("3","6","3","8","10","2","1") = "9"
    & skf18("3","6","3","8","10","3","1") = "9"
    & skf18("3","6","3","8","10","4","1") = "9"
    & skf18("3","6","3","8","10","5","1") = "9"
    & skf18("3","6","3","8","10","6","1") = "9"
    & skf18("3","6","3","8","10","7","1") = "9"
    & skf18("3","6","3","8","10","8","1") = "9"
    & skf18("3","6","3","8","10","9","1") = "9"
    & skf18("3","6","3","8","10","10","1") = "9"
    & skf18("3","6","3","9","1","1","1") = "8"
    & skf18("3","6","3","9","1","2","1") = "8"
    & skf18("3","6","3","9","1","3","1") = "8"
    & skf18("3","6","3","9","1","4","1") = "8"
    & skf18("3","6","3","9","1","5","1") = "8"
    & skf18("3","6","3","9","1","6","1") = "8"
    & skf18("3","6","3","9","1","7","1") = "8"
    & skf18("3","6","3","9","1","8","1") = "8"
    & skf18("3","6","3","9","1","9","1") = "8"
    & skf18("3","6","3","9","1","10","1") = "9"
    & skf18("3","6","3","9","2","1","1") = "8"
    & skf18("3","6","3","9","2","2","1") = "8"
    & skf18("3","6","3","9","2","3","1") = "8"
    & skf18("3","6","3","9","2","4","1") = "8"
    & skf18("3","6","3","9","2","5","1") = "8"
    & skf18("3","6","3","9","2","6","1") = "8"
    & skf18("3","6","3","9","2","7","1") = "8"
    & skf18("3","6","3","9","2","8","1") = "8"
    & skf18("3","6","3","9","2","9","1") = "8"
    & skf18("3","6","3","9","2","10","1") = "9"
    & skf18("3","6","3","9","3","1","1") = "8"
    & skf18("3","6","3","9","3","2","1") = "8"
    & skf18("3","6","3","9","3","3","1") = "8"
    & skf18("3","6","3","9","3","4","1") = "8"
    & skf18("3","6","3","9","3","5","1") = "8"
    & skf18("3","6","3","9","3","6","1") = "8"
    & skf18("3","6","3","9","3","7","1") = "8"
    & skf18("3","6","3","9","3","8","1") = "8"
    & skf18("3","6","3","9","3","9","1") = "8"
    & skf18("3","6","3","9","3","10","1") = "9"
    & skf18("3","6","3","9","4","1","1") = "8"
    & skf18("3","6","3","9","4","2","1") = "8"
    & skf18("3","6","3","9","4","3","1") = "8"
    & skf18("3","6","3","9","4","4","1") = "8"
    & skf18("3","6","3","9","4","5","1") = "8"
    & skf18("3","6","3","9","4","6","1") = "8"
    & skf18("3","6","3","9","4","7","1") = "8"
    & skf18("3","6","3","9","4","8","1") = "8"
    & skf18("3","6","3","9","4","9","1") = "8"
    & skf18("3","6","3","9","4","10","1") = "9"
    & skf18("3","6","3","9","5","1","1") = "8"
    & skf18("3","6","3","9","5","2","1") = "8"
    & skf18("3","6","3","9","5","3","1") = "8"
    & skf18("3","6","3","9","5","4","1") = "8"
    & skf18("3","6","3","9","5","5","1") = "8"
    & skf18("3","6","3","9","5","6","1") = "8"
    & skf18("3","6","3","9","5","7","1") = "8"
    & skf18("3","6","3","9","5","8","1") = "8"
    & skf18("3","6","3","9","5","9","1") = "8"
    & skf18("3","6","3","9","5","10","1") = "9"
    & skf18("3","6","3","9","6","1","1") = "8"
    & skf18("3","6","3","9","6","2","1") = "8"
    & skf18("3","6","3","9","6","3","1") = "8"
    & skf18("3","6","3","9","6","4","1") = "8"
    & skf18("3","6","3","9","6","5","1") = "8"
    & skf18("3","6","3","9","6","6","1") = "8"
    & skf18("3","6","3","9","6","7","1") = "8"
    & skf18("3","6","3","9","6","8","1") = "8"
    & skf18("3","6","3","9","6","9","1") = "8"
    & skf18("3","6","3","9","6","10","1") = "9"
    & skf18("3","6","3","9","7","1","1") = "8"
    & skf18("3","6","3","9","7","2","1") = "8"
    & skf18("3","6","3","9","7","3","1") = "8"
    & skf18("3","6","3","9","7","4","1") = "8"
    & skf18("3","6","3","9","7","5","1") = "8"
    & skf18("3","6","3","9","7","6","1") = "8"
    & skf18("3","6","3","9","7","7","1") = "8"
    & skf18("3","6","3","9","7","8","1") = "8"
    & skf18("3","6","3","9","7","9","1") = "8"
    & skf18("3","6","3","9","7","10","1") = "9"
    & skf18("3","6","3","9","8","1","1") = "8"
    & skf18("3","6","3","9","8","2","1") = "8"
    & skf18("3","6","3","9","8","3","1") = "8"
    & skf18("3","6","3","9","8","4","1") = "8"
    & skf18("3","6","3","9","8","5","1") = "8"
    & skf18("3","6","3","9","8","6","1") = "8"
    & skf18("3","6","3","9","8","7","1") = "8"
    & skf18("3","6","3","9","8","8","1") = "8"
    & skf18("3","6","3","9","8","9","1") = "8"
    & skf18("3","6","3","9","8","10","1") = "9"
    & skf18("3","6","3","9","9","1","1") = "8"
    & skf18("3","6","3","9","9","2","1") = "8"
    & skf18("3","6","3","9","9","3","1") = "8"
    & skf18("3","6","3","9","9","4","1") = "8"
    & skf18("3","6","3","9","9","5","1") = "8"
    & skf18("3","6","3","9","9","6","1") = "8"
    & skf18("3","6","3","9","9","7","1") = "8"
    & skf18("3","6","3","9","9","8","1") = "8"
    & skf18("3","6","3","9","9","9","1") = "8"
    & skf18("3","6","3","9","9","10","1") = "9"
    & skf18("3","6","3","9","10","1","1") = "9"
    & skf18("3","6","3","9","10","2","1") = "9"
    & skf18("3","6","3","9","10","3","1") = "9"
    & skf18("3","6","3","9","10","4","1") = "9"
    & skf18("3","6","3","9","10","5","1") = "9"
    & skf18("3","6","3","9","10","6","1") = "9"
    & skf18("3","6","3","9","10","7","1") = "9"
    & skf18("3","6","3","9","10","8","1") = "9"
    & skf18("3","6","3","9","10","9","1") = "9"
    & skf18("3","6","3","9","10","10","1") = "9"
    & skf18("3","6","3","10","1","1","1") = "9"
    & skf18("3","6","3","10","1","2","1") = "9"
    & skf18("3","6","3","10","1","3","1") = "9"
    & skf18("3","6","3","10","1","4","1") = "9"
    & skf18("3","6","3","10","1","5","1") = "9"
    & skf18("3","6","3","10","1","6","1") = "9"
    & skf18("3","6","3","10","1","7","1") = "9"
    & skf18("3","6","3","10","1","8","1") = "9"
    & skf18("3","6","3","10","1","9","1") = "9"
    & skf18("3","6","3","10","1","10","1") = "9"
    & skf18("3","6","3","10","2","1","1") = "9"
    & skf18("3","6","3","10","2","2","1") = "9"
    & skf18("3","6","3","10","2","3","1") = "9"
    & skf18("3","6","3","10","2","4","1") = "9"
    & skf18("3","6","3","10","2","5","1") = "9"
    & skf18("3","6","3","10","2","6","1") = "9"
    & skf18("3","6","3","10","2","7","1") = "9"
    & skf18("3","6","3","10","2","8","1") = "9"
    & skf18("3","6","3","10","2","9","1") = "9"
    & skf18("3","6","3","10","2","10","1") = "9"
    & skf18("3","6","3","10","3","1","1") = "9"
    & skf18("3","6","3","10","3","2","1") = "9"
    & skf18("3","6","3","10","3","3","1") = "9"
    & skf18("3","6","3","10","3","4","1") = "9"
    & skf18("3","6","3","10","3","5","1") = "9"
    & skf18("3","6","3","10","3","6","1") = "9"
    & skf18("3","6","3","10","3","7","1") = "9"
    & skf18("3","6","3","10","3","8","1") = "9"
    & skf18("3","6","3","10","3","9","1") = "9"
    & skf18("3","6","3","10","3","10","1") = "9"
    & skf18("3","6","3","10","4","1","1") = "9"
    & skf18("3","6","3","10","4","2","1") = "9"
    & skf18("3","6","3","10","4","3","1") = "9"
    & skf18("3","6","3","10","4","4","1") = "9"
    & skf18("3","6","3","10","4","5","1") = "9"
    & skf18("3","6","3","10","4","6","1") = "9"
    & skf18("3","6","3","10","4","7","1") = "9"
    & skf18("3","6","3","10","4","8","1") = "9"
    & skf18("3","6","3","10","4","9","1") = "9"
    & skf18("3","6","3","10","4","10","1") = "9"
    & skf18("3","6","3","10","5","1","1") = "9"
    & skf18("3","6","3","10","5","2","1") = "9"
    & skf18("3","6","3","10","5","3","1") = "9"
    & skf18("3","6","3","10","5","4","1") = "9"
    & skf18("3","6","3","10","5","5","1") = "9"
    & skf18("3","6","3","10","5","6","1") = "9"
    & skf18("3","6","3","10","5","7","1") = "9"
    & skf18("3","6","3","10","5","8","1") = "9"
    & skf18("3","6","3","10","5","9","1") = "9"
    & skf18("3","6","3","10","5","10","1") = "9"
    & skf18("3","6","3","10","6","1","1") = "9"
    & skf18("3","6","3","10","6","2","1") = "9"
    & skf18("3","6","3","10","6","3","1") = "9"
    & skf18("3","6","3","10","6","4","1") = "9"
    & skf18("3","6","3","10","6","5","1") = "9"
    & skf18("3","6","3","10","6","6","1") = "9"
    & skf18("3","6","3","10","6","7","1") = "9"
    & skf18("3","6","3","10","6","8","1") = "9"
    & skf18("3","6","3","10","6","9","1") = "9"
    & skf18("3","6","3","10","6","10","1") = "9"
    & skf18("3","6","3","10","7","1","1") = "9"
    & skf18("3","6","3","10","7","2","1") = "9"
    & skf18("3","6","3","10","7","3","1") = "9"
    & skf18("3","6","3","10","7","4","1") = "9"
    & skf18("3","6","3","10","7","5","1") = "9"
    & skf18("3","6","3","10","7","6","1") = "9"
    & skf18("3","6","3","10","7","7","1") = "9"
    & skf18("3","6","3","10","7","8","1") = "9"
    & skf18("3","6","3","10","7","9","1") = "9"
    & skf18("3","6","3","10","7","10","1") = "9"
    & skf18("3","6","3","10","8","1","1") = "9"
    & skf18("3","6","3","10","8","2","1") = "9"
    & skf18("3","6","3","10","8","3","1") = "9"
    & skf18("3","6","3","10","8","4","1") = "9"
    & skf18("3","6","3","10","8","5","1") = "9"
    & skf18("3","6","3","10","8","6","1") = "9"
    & skf18("3","6","3","10","8","7","1") = "9"
    & skf18("3","6","3","10","8","8","1") = "9"
    & skf18("3","6","3","10","8","9","1") = "9"
    & skf18("3","6","3","10","8","10","1") = "9"
    & skf18("3","6","3","10","9","1","1") = "9"
    & skf18("3","6","3","10","9","2","1") = "9"
    & skf18("3","6","3","10","9","3","1") = "9"
    & skf18("3","6","3","10","9","4","1") = "9"
    & skf18("3","6","3","10","9","5","1") = "9"
    & skf18("3","6","3","10","9","6","1") = "9"
    & skf18("3","6","3","10","9","7","1") = "9"
    & skf18("3","6","3","10","9","8","1") = "9"
    & skf18("3","6","3","10","9","9","1") = "9"
    & skf18("3","6","3","10","9","10","1") = "9"
    & skf18("3","6","3","10","10","1","1") = "9"
    & skf18("3","6","3","10","10","2","1") = "9"
    & skf18("3","6","3","10","10","3","1") = "9"
    & skf18("3","6","3","10","10","4","1") = "9"
    & skf18("3","6","3","10","10","5","1") = "9"
    & skf18("3","6","3","10","10","6","1") = "9"
    & skf18("3","6","3","10","10","7","1") = "9"
    & skf18("3","6","3","10","10","8","1") = "9"
    & skf18("3","6","3","10","10","9","1") = "9"
    & skf18("3","6","3","10","10","10","1") = "9"
    & skf18("3","6","4","1","1","1","1") = "5"
    & skf18("3","6","4","1","1","2","1") = "5"
    & skf18("3","6","4","1","1","3","1") = "5"
    & skf18("3","6","4","1","1","4","1") = "5"
    & skf18("3","6","4","1","1","5","1") = "5"
    & skf18("3","6","4","1","1","6","1") = "5"
    & skf18("3","6","4","1","1","7","1") = "6"
    & skf18("3","6","4","1","1","8","1") = "7"
    & skf18("3","6","4","1","1","9","1") = "8"
    & skf18("3","6","4","1","1","10","1") = "9"
    & skf18("3","6","4","1","2","1","1") = "5"
    & skf18("3","6","4","1","2","2","1") = "5"
    & skf18("3","6","4","1","2","3","1") = "5"
    & skf18("3","6","4","1","2","4","1") = "5"
    & skf18("3","6","4","1","2","5","1") = "5"
    & skf18("3","6","4","1","2","6","1") = "5"
    & skf18("3","6","4","1","2","7","1") = "6"
    & skf18("3","6","4","1","2","8","1") = "7"
    & skf18("3","6","4","1","2","9","1") = "8"
    & skf18("3","6","4","1","2","10","1") = "9"
    & skf18("3","6","4","1","3","1","1") = "5"
    & skf18("3","6","4","1","3","2","1") = "5"
    & skf18("3","6","4","1","3","3","1") = "5"
    & skf18("3","6","4","1","3","4","1") = "5"
    & skf18("3","6","4","1","3","5","1") = "5"
    & skf18("3","6","4","1","3","6","1") = "5"
    & skf18("3","6","4","1","3","7","1") = "6"
    & skf18("3","6","4","1","3","8","1") = "7"
    & skf18("3","6","4","1","3","9","1") = "8"
    & skf18("3","6","4","1","3","10","1") = "9"
    & skf18("3","6","4","1","4","1","1") = "5"
    & skf18("3","6","4","1","4","2","1") = "5"
    & skf18("3","6","4","1","4","3","1") = "5"
    & skf18("3","6","4","1","4","4","1") = "5"
    & skf18("3","6","4","1","4","5","1") = "5"
    & skf18("3","6","4","1","4","6","1") = "5"
    & skf18("3","6","4","1","4","7","1") = "6"
    & skf18("3","6","4","1","4","8","1") = "7"
    & skf18("3","6","4","1","4","9","1") = "8"
    & skf18("3","6","4","1","4","10","1") = "9"
    & skf18("3","6","4","1","5","1","1") = "5"
    & skf18("3","6","4","1","5","2","1") = "5"
    & skf18("3","6","4","1","5","3","1") = "5"
    & skf18("3","6","4","1","5","4","1") = "5"
    & skf18("3","6","4","1","5","5","1") = "5"
    & skf18("3","6","4","1","5","6","1") = "5"
    & skf18("3","6","4","1","5","7","1") = "6"
    & skf18("3","6","4","1","5","8","1") = "7"
    & skf18("3","6","4","1","5","9","1") = "8"
    & skf18("3","6","4","1","5","10","1") = "9"
    & skf18("3","6","4","1","6","1","1") = "5"
    & skf18("3","6","4","1","6","2","1") = "5"
    & skf18("3","6","4","1","6","3","1") = "5"
    & skf18("3","6","4","1","6","4","1") = "5"
    & skf18("3","6","4","1","6","5","1") = "5"
    & skf18("3","6","4","1","6","6","1") = "5"
    & skf18("3","6","4","1","6","7","1") = "6"
    & skf18("3","6","4","1","6","8","1") = "7"
    & skf18("3","6","4","1","6","9","1") = "8"
    & skf18("3","6","4","1","6","10","1") = "9"
    & skf18("3","6","4","1","7","1","1") = "6"
    & skf18("3","6","4","1","7","2","1") = "6"
    & skf18("3","6","4","1","7","3","1") = "6"
    & skf18("3","6","4","1","7","4","1") = "6"
    & skf18("3","6","4","1","7","5","1") = "6"
    & skf18("3","6","4","1","7","6","1") = "6"
    & skf18("3","6","4","1","7","7","1") = "6"
    & skf18("3","6","4","1","7","8","1") = "7"
    & skf18("3","6","4","1","7","9","1") = "8"
    & skf18("3","6","4","1","7","10","1") = "9"
    & skf18("3","6","4","1","8","1","1") = "7"
    & skf18("3","6","4","1","8","2","1") = "7"
    & skf18("3","6","4","1","8","3","1") = "7"
    & skf18("3","6","4","1","8","4","1") = "7"
    & skf18("3","6","4","1","8","5","1") = "7"
    & skf18("3","6","4","1","8","6","1") = "7"
    & skf18("3","6","4","1","8","7","1") = "7"
    & skf18("3","6","4","1","8","8","1") = "7"
    & skf18("3","6","4","1","8","9","1") = "8"
    & skf18("3","6","4","1","8","10","1") = "9"
    & skf18("3","6","4","1","9","1","1") = "8"
    & skf18("3","6","4","1","9","2","1") = "8"
    & skf18("3","6","4","1","9","3","1") = "8"
    & skf18("3","6","4","1","9","4","1") = "8"
    & skf18("3","6","4","1","9","5","1") = "8"
    & skf18("3","6","4","1","9","6","1") = "8"
    & skf18("3","6","4","1","9","7","1") = "8"
    & skf18("3","6","4","1","9","8","1") = "8"
    & skf18("3","6","4","1","9","9","1") = "8"
    & skf18("3","6","4","1","9","10","1") = "9"
    & skf18("3","6","4","1","10","1","1") = "9"
    & skf18("3","6","4","1","10","2","1") = "9"
    & skf18("3","6","4","1","10","3","1") = "9"
    & skf18("3","6","4","1","10","4","1") = "9"
    & skf18("3","6","4","1","10","5","1") = "9"
    & skf18("3","6","4","1","10","6","1") = "9"
    & skf18("3","6","4","1","10","7","1") = "9"
    & skf18("3","6","4","1","10","8","1") = "9"
    & skf18("3","6","4","1","10","9","1") = "9"
    & skf18("3","6","4","1","10","10","1") = "9"
    & skf18("3","6","4","2","1","1","1") = "5"
    & skf18("3","6","4","2","1","2","1") = "5"
    & skf18("3","6","4","2","1","3","1") = "5"
    & skf18("3","6","4","2","1","4","1") = "5"
    & skf18("3","6","4","2","1","5","1") = "5"
    & skf18("3","6","4","2","1","6","1") = "5"
    & skf18("3","6","4","2","1","7","1") = "6"
    & skf18("3","6","4","2","1","8","1") = "7"
    & skf18("3","6","4","2","1","9","1") = "8"
    & skf18("3","6","4","2","1","10","1") = "9"
    & skf18("3","6","4","2","2","1","1") = "5"
    & skf18("3","6","4","2","2","2","1") = "5"
    & skf18("3","6","4","2","2","3","1") = "5"
    & skf18("3","6","4","2","2","4","1") = "5"
    & skf18("3","6","4","2","2","5","1") = "5"
    & skf18("3","6","4","2","2","6","1") = "5"
    & skf18("3","6","4","2","2","7","1") = "6"
    & skf18("3","6","4","2","2","8","1") = "7"
    & skf18("3","6","4","2","2","9","1") = "8"
    & skf18("3","6","4","2","2","10","1") = "9"
    & skf18("3","6","4","2","3","1","1") = "5"
    & skf18("3","6","4","2","3","2","1") = "5"
    & skf18("3","6","4","2","3","3","1") = "5"
    & skf18("3","6","4","2","3","4","1") = "5"
    & skf18("3","6","4","2","3","5","1") = "5"
    & skf18("3","6","4","2","3","6","1") = "5"
    & skf18("3","6","4","2","3","7","1") = "6"
    & skf18("3","6","4","2","3","8","1") = "7"
    & skf18("3","6","4","2","3","9","1") = "8"
    & skf18("3","6","4","2","3","10","1") = "9"
    & skf18("3","6","4","2","4","1","1") = "5"
    & skf18("3","6","4","2","4","2","1") = "5"
    & skf18("3","6","4","2","4","3","1") = "5"
    & skf18("3","6","4","2","4","4","1") = "5"
    & skf18("3","6","4","2","4","5","1") = "5"
    & skf18("3","6","4","2","4","6","1") = "5"
    & skf18("3","6","4","2","4","7","1") = "6"
    & skf18("3","6","4","2","4","8","1") = "7"
    & skf18("3","6","4","2","4","9","1") = "8"
    & skf18("3","6","4","2","4","10","1") = "9"
    & skf18("3","6","4","2","5","1","1") = "5"
    & skf18("3","6","4","2","5","2","1") = "5"
    & skf18("3","6","4","2","5","3","1") = "5"
    & skf18("3","6","4","2","5","4","1") = "5"
    & skf18("3","6","4","2","5","5","1") = "5"
    & skf18("3","6","4","2","5","6","1") = "5"
    & skf18("3","6","4","2","5","7","1") = "6"
    & skf18("3","6","4","2","5","8","1") = "7"
    & skf18("3","6","4","2","5","9","1") = "8"
    & skf18("3","6","4","2","5","10","1") = "9"
    & skf18("3","6","4","2","6","1","1") = "5"
    & skf18("3","6","4","2","6","2","1") = "5"
    & skf18("3","6","4","2","6","3","1") = "5"
    & skf18("3","6","4","2","6","4","1") = "5"
    & skf18("3","6","4","2","6","5","1") = "5"
    & skf18("3","6","4","2","6","6","1") = "5"
    & skf18("3","6","4","2","6","7","1") = "6"
    & skf18("3","6","4","2","6","8","1") = "7"
    & skf18("3","6","4","2","6","9","1") = "8"
    & skf18("3","6","4","2","6","10","1") = "9"
    & skf18("3","6","4","2","7","1","1") = "6"
    & skf18("3","6","4","2","7","2","1") = "6"
    & skf18("3","6","4","2","7","3","1") = "6"
    & skf18("3","6","4","2","7","4","1") = "6"
    & skf18("3","6","4","2","7","5","1") = "6"
    & skf18("3","6","4","2","7","6","1") = "6"
    & skf18("3","6","4","2","7","7","1") = "6"
    & skf18("3","6","4","2","7","8","1") = "7"
    & skf18("3","6","4","2","7","9","1") = "8"
    & skf18("3","6","4","2","7","10","1") = "9"
    & skf18("3","6","4","2","8","1","1") = "7"
    & skf18("3","6","4","2","8","2","1") = "7"
    & skf18("3","6","4","2","8","3","1") = "7"
    & skf18("3","6","4","2","8","4","1") = "7"
    & skf18("3","6","4","2","8","5","1") = "7"
    & skf18("3","6","4","2","8","6","1") = "7"
    & skf18("3","6","4","2","8","7","1") = "7"
    & skf18("3","6","4","2","8","8","1") = "7"
    & skf18("3","6","4","2","8","9","1") = "8"
    & skf18("3","6","4","2","8","10","1") = "9"
    & skf18("3","6","4","2","9","1","1") = "8"
    & skf18("3","6","4","2","9","2","1") = "8"
    & skf18("3","6","4","2","9","3","1") = "8"
    & skf18("3","6","4","2","9","4","1") = "8"
    & skf18("3","6","4","2","9","5","1") = "8"
    & skf18("3","6","4","2","9","6","1") = "8"
    & skf18("3","6","4","2","9","7","1") = "8"
    & skf18("3","6","4","2","9","8","1") = "8"
    & skf18("3","6","4","2","9","9","1") = "8"
    & skf18("3","6","4","2","9","10","1") = "9"
    & skf18("3","6","4","2","10","1","1") = "9"
    & skf18("3","6","4","2","10","2","1") = "9"
    & skf18("3","6","4","2","10","3","1") = "9"
    & skf18("3","6","4","2","10","4","1") = "9"
    & skf18("3","6","4","2","10","5","1") = "9"
    & skf18("3","6","4","2","10","6","1") = "9"
    & skf18("3","6","4","2","10","7","1") = "9"
    & skf18("3","6","4","2","10","8","1") = "9"
    & skf18("3","6","4","2","10","9","1") = "9"
    & skf18("3","6","4","2","10","10","1") = "9"
    & skf18("3","6","4","3","1","1","1") = "5"
    & skf18("3","6","4","3","1","2","1") = "5"
    & skf18("3","6","4","3","1","3","1") = "5"
    & skf18("3","6","4","3","1","4","1") = "5"
    & skf18("3","6","4","3","1","5","1") = "5"
    & skf18("3","6","4","3","1","6","1") = "5"
    & skf18("3","6","4","3","1","7","1") = "6"
    & skf18("3","6","4","3","1","8","1") = "7"
    & skf18("3","6","4","3","1","9","1") = "8"
    & skf18("3","6","4","3","1","10","1") = "9"
    & skf18("3","6","4","3","2","1","1") = "5"
    & skf18("3","6","4","3","2","2","1") = "5"
    & skf18("3","6","4","3","2","3","1") = "5"
    & skf18("3","6","4","3","2","4","1") = "5"
    & skf18("3","6","4","3","2","5","1") = "5"
    & skf18("3","6","4","3","2","6","1") = "5"
    & skf18("3","6","4","3","2","7","1") = "6"
    & skf18("3","6","4","3","2","8","1") = "7"
    & skf18("3","6","4","3","2","9","1") = "8"
    & skf18("3","6","4","3","2","10","1") = "9"
    & skf18("3","6","4","3","3","1","1") = "5"
    & skf18("3","6","4","3","3","2","1") = "5"
    & skf18("3","6","4","3","3","3","1") = "5"
    & skf18("3","6","4","3","3","4","1") = "5"
    & skf18("3","6","4","3","3","5","1") = "5"
    & skf18("3","6","4","3","3","6","1") = "5"
    & skf18("3","6","4","3","3","7","1") = "6"
    & skf18("3","6","4","3","3","8","1") = "7"
    & skf18("3","6","4","3","3","9","1") = "8"
    & skf18("3","6","4","3","3","10","1") = "9"
    & skf18("3","6","4","3","4","1","1") = "5"
    & skf18("3","6","4","3","4","2","1") = "5"
    & skf18("3","6","4","3","4","3","1") = "5"
    & skf18("3","6","4","3","4","4","1") = "5"
    & skf18("3","6","4","3","4","5","1") = "5"
    & skf18("3","6","4","3","4","6","1") = "5"
    & skf18("3","6","4","3","4","7","1") = "6"
    & skf18("3","6","4","3","4","8","1") = "7"
    & skf18("3","6","4","3","4","9","1") = "8"
    & skf18("3","6","4","3","4","10","1") = "9"
    & skf18("3","6","4","3","5","1","1") = "5"
    & skf18("3","6","4","3","5","2","1") = "5"
    & skf18("3","6","4","3","5","3","1") = "5"
    & skf18("3","6","4","3","5","4","1") = "5"
    & skf18("3","6","4","3","5","5","1") = "5"
    & skf18("3","6","4","3","5","6","1") = "5"
    & skf18("3","6","4","3","5","7","1") = "6"
    & skf18("3","6","4","3","5","8","1") = "7"
    & skf18("3","6","4","3","5","9","1") = "8"
    & skf18("3","6","4","3","5","10","1") = "9"
    & skf18("3","6","4","3","6","1","1") = "5"
    & skf18("3","6","4","3","6","2","1") = "5"
    & skf18("3","6","4","3","6","3","1") = "5"
    & skf18("3","6","4","3","6","4","1") = "5"
    & skf18("3","6","4","3","6","5","1") = "5"
    & skf18("3","6","4","3","6","6","1") = "5"
    & skf18("3","6","4","3","6","7","1") = "6"
    & skf18("3","6","4","3","6","8","1") = "7"
    & skf18("3","6","4","3","6","9","1") = "8"
    & skf18("3","6","4","3","6","10","1") = "9"
    & skf18("3","6","4","3","7","1","1") = "6"
    & skf18("3","6","4","3","7","2","1") = "6"
    & skf18("3","6","4","3","7","3","1") = "6"
    & skf18("3","6","4","3","7","4","1") = "6"
    & skf18("3","6","4","3","7","5","1") = "6"
    & skf18("3","6","4","3","7","6","1") = "6"
    & skf18("3","6","4","3","7","7","1") = "6"
    & skf18("3","6","4","3","7","8","1") = "7"
    & skf18("3","6","4","3","7","9","1") = "8"
    & skf18("3","6","4","3","7","10","1") = "9"
    & skf18("3","6","4","3","8","1","1") = "7"
    & skf18("3","6","4","3","8","2","1") = "7"
    & skf18("3","6","4","3","8","3","1") = "7"
    & skf18("3","6","4","3","8","4","1") = "7"
    & skf18("3","6","4","3","8","5","1") = "7"
    & skf18("3","6","4","3","8","6","1") = "7"
    & skf18("3","6","4","3","8","7","1") = "7"
    & skf18("3","6","4","3","8","8","1") = "7"
    & skf18("3","6","4","3","8","9","1") = "8"
    & skf18("3","6","4","3","8","10","1") = "9"
    & skf18("3","6","4","3","9","1","1") = "8"
    & skf18("3","6","4","3","9","2","1") = "8"
    & skf18("3","6","4","3","9","3","1") = "8"
    & skf18("3","6","4","3","9","4","1") = "8"
    & skf18("3","6","4","3","9","5","1") = "8"
    & skf18("3","6","4","3","9","6","1") = "8"
    & skf18("3","6","4","3","9","7","1") = "8"
    & skf18("3","6","4","3","9","8","1") = "8"
    & skf18("3","6","4","3","9","9","1") = "8"
    & skf18("3","6","4","3","9","10","1") = "9"
    & skf18("3","6","4","3","10","1","1") = "9"
    & skf18("3","6","4","3","10","2","1") = "9"
    & skf18("3","6","4","3","10","3","1") = "9"
    & skf18("3","6","4","3","10","4","1") = "9"
    & skf18("3","6","4","3","10","5","1") = "9"
    & skf18("3","6","4","3","10","6","1") = "9"
    & skf18("3","6","4","3","10","7","1") = "9"
    & skf18("3","6","4","3","10","8","1") = "9"
    & skf18("3","6","4","3","10","9","1") = "9"
    & skf18("3","6","4","3","10","10","1") = "9"
    & skf18("3","6","4","4","1","1","1") = "5"
    & skf18("3","6","4","4","1","2","1") = "5"
    & skf18("3","6","4","4","1","3","1") = "5"
    & skf18("3","6","4","4","1","4","1") = "5"
    & skf18("3","6","4","4","1","5","1") = "5"
    & skf18("3","6","4","4","1","6","1") = "5"
    & skf18("3","6","4","4","1","7","1") = "6"
    & skf18("3","6","4","4","1","8","1") = "7"
    & skf18("3","6","4","4","1","9","1") = "8"
    & skf18("3","6","4","4","1","10","1") = "9"
    & skf18("3","6","4","4","2","1","1") = "5"
    & skf18("3","6","4","4","2","2","1") = "5"
    & skf18("3","6","4","4","2","3","1") = "5"
    & skf18("3","6","4","4","2","4","1") = "5"
    & skf18("3","6","4","4","2","5","1") = "5"
    & skf18("3","6","4","4","2","6","1") = "5"
    & skf18("3","6","4","4","2","7","1") = "6"
    & skf18("3","6","4","4","2","8","1") = "7"
    & skf18("3","6","4","4","2","9","1") = "8"
    & skf18("3","6","4","4","2","10","1") = "9"
    & skf18("3","6","4","4","3","1","1") = "5"
    & skf18("3","6","4","4","3","2","1") = "5"
    & skf18("3","6","4","4","3","3","1") = "5"
    & skf18("3","6","4","4","3","4","1") = "5"
    & skf18("3","6","4","4","3","5","1") = "5"
    & skf18("3","6","4","4","3","6","1") = "5"
    & skf18("3","6","4","4","3","7","1") = "6"
    & skf18("3","6","4","4","3","8","1") = "7"
    & skf18("3","6","4","4","3","9","1") = "8"
    & skf18("3","6","4","4","3","10","1") = "9"
    & skf18("3","6","4","4","4","1","1") = "5"
    & skf18("3","6","4","4","4","2","1") = "5"
    & skf18("3","6","4","4","4","3","1") = "5"
    & skf18("3","6","4","4","4","4","1") = "5"
    & skf18("3","6","4","4","4","5","1") = "5"
    & skf18("3","6","4","4","4","6","1") = "5"
    & skf18("3","6","4","4","4","7","1") = "6"
    & skf18("3","6","4","4","4","8","1") = "7"
    & skf18("3","6","4","4","4","9","1") = "8"
    & skf18("3","6","4","4","4","10","1") = "9"
    & skf18("3","6","4","4","5","1","1") = "5"
    & skf18("3","6","4","4","5","2","1") = "5"
    & skf18("3","6","4","4","5","3","1") = "5"
    & skf18("3","6","4","4","5","4","1") = "5"
    & skf18("3","6","4","4","5","5","1") = "5"
    & skf18("3","6","4","4","5","6","1") = "5"
    & skf18("3","6","4","4","5","7","1") = "6"
    & skf18("3","6","4","4","5","8","1") = "7"
    & skf18("3","6","4","4","5","9","1") = "8"
    & skf18("3","6","4","4","5","10","1") = "9"
    & skf18("3","6","4","4","6","1","1") = "5"
    & skf18("3","6","4","4","6","2","1") = "5"
    & skf18("3","6","4","4","6","3","1") = "5"
    & skf18("3","6","4","4","6","4","1") = "5"
    & skf18("3","6","4","4","6","5","1") = "5"
    & skf18("3","6","4","4","6","6","1") = "5"
    & skf18("3","6","4","4","6","7","1") = "6"
    & skf18("3","6","4","4","6","8","1") = "7"
    & skf18("3","6","4","4","6","9","1") = "8"
    & skf18("3","6","4","4","6","10","1") = "9"
    & skf18("3","6","4","4","7","1","1") = "6"
    & skf18("3","6","4","4","7","2","1") = "6"
    & skf18("3","6","4","4","7","3","1") = "6"
    & skf18("3","6","4","4","7","4","1") = "6"
    & skf18("3","6","4","4","7","5","1") = "6"
    & skf18("3","6","4","4","7","6","1") = "6"
    & skf18("3","6","4","4","7","7","1") = "6"
    & skf18("3","6","4","4","7","8","1") = "7"
    & skf18("3","6","4","4","7","9","1") = "8"
    & skf18("3","6","4","4","7","10","1") = "9"
    & skf18("3","6","4","4","8","1","1") = "7"
    & skf18("3","6","4","4","8","2","1") = "7"
    & skf18("3","6","4","4","8","3","1") = "7"
    & skf18("3","6","4","4","8","4","1") = "7"
    & skf18("3","6","4","4","8","5","1") = "7"
    & skf18("3","6","4","4","8","6","1") = "7"
    & skf18("3","6","4","4","8","7","1") = "7"
    & skf18("3","6","4","4","8","8","1") = "7"
    & skf18("3","6","4","4","8","9","1") = "8"
    & skf18("3","6","4","4","8","10","1") = "9"
    & skf18("3","6","4","4","9","1","1") = "8"
    & skf18("3","6","4","4","9","2","1") = "8"
    & skf18("3","6","4","4","9","3","1") = "8"
    & skf18("3","6","4","4","9","4","1") = "8"
    & skf18("3","6","4","4","9","5","1") = "8"
    & skf18("3","6","4","4","9","6","1") = "8"
    & skf18("3","6","4","4","9","7","1") = "8"
    & skf18("3","6","4","4","9","8","1") = "8"
    & skf18("3","6","4","4","9","9","1") = "8"
    & skf18("3","6","4","4","9","10","1") = "9"
    & skf18("3","6","4","4","10","1","1") = "9"
    & skf18("3","6","4","4","10","2","1") = "9"
    & skf18("3","6","4","4","10","3","1") = "9"
    & skf18("3","6","4","4","10","4","1") = "9"
    & skf18("3","6","4","4","10","5","1") = "9"
    & skf18("3","6","4","4","10","6","1") = "9"
    & skf18("3","6","4","4","10","7","1") = "9"
    & skf18("3","6","4","4","10","8","1") = "9"
    & skf18("3","6","4","4","10","9","1") = "9"
    & skf18("3","6","4","4","10","10","1") = "9"
    & skf18("3","6","4","5","1","1","1") = "5"
    & skf18("3","6","4","5","1","2","1") = "5"
    & skf18("3","6","4","5","1","3","1") = "5"
    & skf18("3","6","4","5","1","4","1") = "5"
    & skf18("3","6","4","5","1","5","1") = "5"
    & skf18("3","6","4","5","1","6","1") = "5"
    & skf18("3","6","4","5","1","7","1") = "6"
    & skf18("3","6","4","5","1","8","1") = "7"
    & skf18("3","6","4","5","1","9","1") = "8"
    & skf18("3","6","4","5","1","10","1") = "9"
    & skf18("3","6","4","5","2","1","1") = "5"
    & skf18("3","6","4","5","2","2","1") = "5"
    & skf18("3","6","4","5","2","3","1") = "5"
    & skf18("3","6","4","5","2","4","1") = "5"
    & skf18("3","6","4","5","2","5","1") = "5"
    & skf18("3","6","4","5","2","6","1") = "5"
    & skf18("3","6","4","5","2","7","1") = "6"
    & skf18("3","6","4","5","2","8","1") = "7"
    & skf18("3","6","4","5","2","9","1") = "8"
    & skf18("3","6","4","5","2","10","1") = "9"
    & skf18("3","6","4","5","3","1","1") = "5"
    & skf18("3","6","4","5","3","2","1") = "5"
    & skf18("3","6","4","5","3","3","1") = "5"
    & skf18("3","6","4","5","3","4","1") = "5"
    & skf18("3","6","4","5","3","5","1") = "5"
    & skf18("3","6","4","5","3","6","1") = "5"
    & skf18("3","6","4","5","3","7","1") = "6"
    & skf18("3","6","4","5","3","8","1") = "7"
    & skf18("3","6","4","5","3","9","1") = "8"
    & skf18("3","6","4","5","3","10","1") = "9"
    & skf18("3","6","4","5","4","1","1") = "5"
    & skf18("3","6","4","5","4","2","1") = "5"
    & skf18("3","6","4","5","4","3","1") = "5"
    & skf18("3","6","4","5","4","4","1") = "5"
    & skf18("3","6","4","5","4","5","1") = "5"
    & skf18("3","6","4","5","4","6","1") = "5"
    & skf18("3","6","4","5","4","7","1") = "6"
    & skf18("3","6","4","5","4","8","1") = "7"
    & skf18("3","6","4","5","4","9","1") = "8"
    & skf18("3","6","4","5","4","10","1") = "9"
    & skf18("3","6","4","5","5","1","1") = "5"
    & skf18("3","6","4","5","5","2","1") = "5"
    & skf18("3","6","4","5","5","3","1") = "5"
    & skf18("3","6","4","5","5","4","1") = "5"
    & skf18("3","6","4","5","5","5","1") = "5"
    & skf18("3","6","4","5","5","6","1") = "5"
    & skf18("3","6","4","5","5","7","1") = "6"
    & skf18("3","6","4","5","5","8","1") = "7"
    & skf18("3","6","4","5","5","9","1") = "8"
    & skf18("3","6","4","5","5","10","1") = "9"
    & skf18("3","6","4","5","6","1","1") = "5"
    & skf18("3","6","4","5","6","2","1") = "5"
    & skf18("3","6","4","5","6","3","1") = "5"
    & skf18("3","6","4","5","6","4","1") = "5"
    & skf18("3","6","4","5","6","5","1") = "5"
    & skf18("3","6","4","5","6","6","1") = "5"
    & skf18("3","6","4","5","6","7","1") = "6"
    & skf18("3","6","4","5","6","8","1") = "7"
    & skf18("3","6","4","5","6","9","1") = "8"
    & skf18("3","6","4","5","6","10","1") = "9"
    & skf18("3","6","4","5","7","1","1") = "6"
    & skf18("3","6","4","5","7","2","1") = "6"
    & skf18("3","6","4","5","7","3","1") = "6"
    & skf18("3","6","4","5","7","4","1") = "6"
    & skf18("3","6","4","5","7","5","1") = "6"
    & skf18("3","6","4","5","7","6","1") = "6"
    & skf18("3","6","4","5","7","7","1") = "6"
    & skf18("3","6","4","5","7","8","1") = "7"
    & skf18("3","6","4","5","7","9","1") = "8"
    & skf18("3","6","4","5","7","10","1") = "9"
    & skf18("3","6","4","5","8","1","1") = "7"
    & skf18("3","6","4","5","8","2","1") = "7"
    & skf18("3","6","4","5","8","3","1") = "7"
    & skf18("3","6","4","5","8","4","1") = "7"
    & skf18("3","6","4","5","8","5","1") = "7"
    & skf18("3","6","4","5","8","6","1") = "7"
    & skf18("3","6","4","5","8","7","1") = "7"
    & skf18("3","6","4","5","8","8","1") = "7"
    & skf18("3","6","4","5","8","9","1") = "8"
    & skf18("3","6","4","5","8","10","1") = "9"
    & skf18("3","6","4","5","9","1","1") = "8"
    & skf18("3","6","4","5","9","2","1") = "8"
    & skf18("3","6","4","5","9","3","1") = "8"
    & skf18("3","6","4","5","9","4","1") = "8"
    & skf18("3","6","4","5","9","5","1") = "8"
    & skf18("3","6","4","5","9","6","1") = "8"
    & skf18("3","6","4","5","9","7","1") = "8"
    & skf18("3","6","4","5","9","8","1") = "8"
    & skf18("3","6","4","5","9","9","1") = "8"
    & skf18("3","6","4","5","9","10","1") = "9"
    & skf18("3","6","4","5","10","1","1") = "9"
    & skf18("3","6","4","5","10","2","1") = "9"
    & skf18("3","6","4","5","10","3","1") = "9"
    & skf18("3","6","4","5","10","4","1") = "9"
    & skf18("3","6","4","5","10","5","1") = "9"
    & skf18("3","6","4","5","10","6","1") = "9"
    & skf18("3","6","4","5","10","7","1") = "9"
    & skf18("3","6","4","5","10","8","1") = "9"
    & skf18("3","6","4","5","10","9","1") = "9"
    & skf18("3","6","4","5","10","10","1") = "9"
    & skf18("3","6","4","6","1","1","1") = "5"
    & skf18("3","6","4","6","1","2","1") = "5"
    & skf18("3","6","4","6","1","3","1") = "5"
    & skf18("3","6","4","6","1","4","1") = "5"
    & skf18("3","6","4","6","1","5","1") = "5"
    & skf18("3","6","4","6","1","6","1") = "5"
    & skf18("3","6","4","6","1","7","1") = "6"
    & skf18("3","6","4","6","1","8","1") = "7"
    & skf18("3","6","4","6","1","9","1") = "8"
    & skf18("3","6","4","6","1","10","1") = "9"
    & skf18("3","6","4","6","2","1","1") = "5"
    & skf18("3","6","4","6","2","2","1") = "5"
    & skf18("3","6","4","6","2","3","1") = "5"
    & skf18("3","6","4","6","2","4","1") = "5"
    & skf18("3","6","4","6","2","5","1") = "5"
    & skf18("3","6","4","6","2","6","1") = "5"
    & skf18("3","6","4","6","2","7","1") = "6"
    & skf18("3","6","4","6","2","8","1") = "7"
    & skf18("3","6","4","6","2","9","1") = "8"
    & skf18("3","6","4","6","2","10","1") = "9"
    & skf18("3","6","4","6","3","1","1") = "5"
    & skf18("3","6","4","6","3","2","1") = "5"
    & skf18("3","6","4","6","3","3","1") = "5"
    & skf18("3","6","4","6","3","4","1") = "5"
    & skf18("3","6","4","6","3","5","1") = "5"
    & skf18("3","6","4","6","3","6","1") = "5"
    & skf18("3","6","4","6","3","7","1") = "6"
    & skf18("3","6","4","6","3","8","1") = "7"
    & skf18("3","6","4","6","3","9","1") = "8"
    & skf18("3","6","4","6","3","10","1") = "9"
    & skf18("3","6","4","6","4","1","1") = "5"
    & skf18("3","6","4","6","4","2","1") = "5"
    & skf18("3","6","4","6","4","3","1") = "5"
    & skf18("3","6","4","6","4","4","1") = "5"
    & skf18("3","6","4","6","4","5","1") = "5"
    & skf18("3","6","4","6","4","6","1") = "5"
    & skf18("3","6","4","6","4","7","1") = "6"
    & skf18("3","6","4","6","4","8","1") = "7"
    & skf18("3","6","4","6","4","9","1") = "8"
    & skf18("3","6","4","6","4","10","1") = "9"
    & skf18("3","6","4","6","5","1","1") = "5"
    & skf18("3","6","4","6","5","2","1") = "5"
    & skf18("3","6","4","6","5","3","1") = "5"
    & skf18("3","6","4","6","5","4","1") = "5"
    & skf18("3","6","4","6","5","5","1") = "5"
    & skf18("3","6","4","6","5","6","1") = "5"
    & skf18("3","6","4","6","5","7","1") = "6"
    & skf18("3","6","4","6","5","8","1") = "7"
    & skf18("3","6","4","6","5","9","1") = "8"
    & skf18("3","6","4","6","5","10","1") = "9"
    & skf18("3","6","4","6","6","1","1") = "5"
    & skf18("3","6","4","6","6","2","1") = "5"
    & skf18("3","6","4","6","6","3","1") = "5"
    & skf18("3","6","4","6","6","4","1") = "5"
    & skf18("3","6","4","6","6","5","1") = "5"
    & skf18("3","6","4","6","6","6","1") = "5"
    & skf18("3","6","4","6","6","7","1") = "6"
    & skf18("3","6","4","6","6","8","1") = "7"
    & skf18("3","6","4","6","6","9","1") = "8"
    & skf18("3","6","4","6","6","10","1") = "9"
    & skf18("3","6","4","6","7","1","1") = "6"
    & skf18("3","6","4","6","7","2","1") = "6"
    & skf18("3","6","4","6","7","3","1") = "6"
    & skf18("3","6","4","6","7","4","1") = "6"
    & skf18("3","6","4","6","7","5","1") = "6"
    & skf18("3","6","4","6","7","6","1") = "6"
    & skf18("3","6","4","6","7","7","1") = "6"
    & skf18("3","6","4","6","7","8","1") = "7"
    & skf18("3","6","4","6","7","9","1") = "8"
    & skf18("3","6","4","6","7","10","1") = "9"
    & skf18("3","6","4","6","8","1","1") = "7"
    & skf18("3","6","4","6","8","2","1") = "7"
    & skf18("3","6","4","6","8","3","1") = "7"
    & skf18("3","6","4","6","8","4","1") = "7"
    & skf18("3","6","4","6","8","5","1") = "7"
    & skf18("3","6","4","6","8","6","1") = "7"
    & skf18("3","6","4","6","8","7","1") = "7"
    & skf18("3","6","4","6","8","8","1") = "7"
    & skf18("3","6","4","6","8","9","1") = "8"
    & skf18("3","6","4","6","8","10","1") = "9"
    & skf18("3","6","4","6","9","1","1") = "8"
    & skf18("3","6","4","6","9","2","1") = "8"
    & skf18("3","6","4","6","9","3","1") = "8"
    & skf18("3","6","4","6","9","4","1") = "8"
    & skf18("3","6","4","6","9","5","1") = "8"
    & skf18("3","6","4","6","9","6","1") = "8"
    & skf18("3","6","4","6","9","7","1") = "8"
    & skf18("3","6","4","6","9","8","1") = "8"
    & skf18("3","6","4","6","9","9","1") = "8"
    & skf18("3","6","4","6","9","10","1") = "9"
    & skf18("3","6","4","6","10","1","1") = "9"
    & skf18("3","6","4","6","10","2","1") = "9"
    & skf18("3","6","4","6","10","3","1") = "9"
    & skf18("3","6","4","6","10","4","1") = "9"
    & skf18("3","6","4","6","10","5","1") = "9"
    & skf18("3","6","4","6","10","6","1") = "9"
    & skf18("3","6","4","6","10","7","1") = "9"
    & skf18("3","6","4","6","10","8","1") = "9"
    & skf18("3","6","4","6","10","9","1") = "9"
    & skf18("3","6","4","6","10","10","1") = "9"
    & skf18("3","6","4","7","1","1","1") = "6"
    & skf18("3","6","4","7","1","2","1") = "6"
    & skf18("3","6","4","7","1","3","1") = "6"
    & skf18("3","6","4","7","1","4","1") = "6"
    & skf18("3","6","4","7","1","5","1") = "6"
    & skf18("3","6","4","7","1","6","1") = "6"
    & skf18("3","6","4","7","1","7","1") = "6"
    & skf18("3","6","4","7","1","8","1") = "7"
    & skf18("3","6","4","7","1","9","1") = "8"
    & skf18("3","6","4","7","1","10","1") = "9"
    & skf18("3","6","4","7","2","1","1") = "6"
    & skf18("3","6","4","7","2","2","1") = "6"
    & skf18("3","6","4","7","2","3","1") = "6"
    & skf18("3","6","4","7","2","4","1") = "6"
    & skf18("3","6","4","7","2","5","1") = "6"
    & skf18("3","6","4","7","2","6","1") = "6"
    & skf18("3","6","4","7","2","7","1") = "6"
    & skf18("3","6","4","7","2","8","1") = "7"
    & skf18("3","6","4","7","2","9","1") = "8"
    & skf18("3","6","4","7","2","10","1") = "9"
    & skf18("3","6","4","7","3","1","1") = "6"
    & skf18("3","6","4","7","3","2","1") = "6"
    & skf18("3","6","4","7","3","3","1") = "6"
    & skf18("3","6","4","7","3","4","1") = "6"
    & skf18("3","6","4","7","3","5","1") = "6"
    & skf18("3","6","4","7","3","6","1") = "6"
    & skf18("3","6","4","7","3","7","1") = "6"
    & skf18("3","6","4","7","3","8","1") = "7"
    & skf18("3","6","4","7","3","9","1") = "8"
    & skf18("3","6","4","7","3","10","1") = "9"
    & skf18("3","6","4","7","4","1","1") = "6"
    & skf18("3","6","4","7","4","2","1") = "6"
    & skf18("3","6","4","7","4","3","1") = "6"
    & skf18("3","6","4","7","4","4","1") = "6"
    & skf18("3","6","4","7","4","5","1") = "6"
    & skf18("3","6","4","7","4","6","1") = "6"
    & skf18("3","6","4","7","4","7","1") = "6"
    & skf18("3","6","4","7","4","8","1") = "7"
    & skf18("3","6","4","7","4","9","1") = "8"
    & skf18("3","6","4","7","4","10","1") = "9"
    & skf18("3","6","4","7","5","1","1") = "6"
    & skf18("3","6","4","7","5","2","1") = "6"
    & skf18("3","6","4","7","5","3","1") = "6"
    & skf18("3","6","4","7","5","4","1") = "6"
    & skf18("3","6","4","7","5","5","1") = "6"
    & skf18("3","6","4","7","5","6","1") = "6"
    & skf18("3","6","4","7","5","7","1") = "6"
    & skf18("3","6","4","7","5","8","1") = "7"
    & skf18("3","6","4","7","5","9","1") = "8"
    & skf18("3","6","4","7","5","10","1") = "9"
    & skf18("3","6","4","7","6","1","1") = "6"
    & skf18("3","6","4","7","6","2","1") = "6"
    & skf18("3","6","4","7","6","3","1") = "6"
    & skf18("3","6","4","7","6","4","1") = "6"
    & skf18("3","6","4","7","6","5","1") = "6"
    & skf18("3","6","4","7","6","6","1") = "6"
    & skf18("3","6","4","7","6","7","1") = "6"
    & skf18("3","6","4","7","6","8","1") = "7"
    & skf18("3","6","4","7","6","9","1") = "8"
    & skf18("3","6","4","7","6","10","1") = "9"
    & skf18("3","6","4","7","7","1","1") = "6"
    & skf18("3","6","4","7","7","2","1") = "6"
    & skf18("3","6","4","7","7","3","1") = "6"
    & skf18("3","6","4","7","7","4","1") = "6"
    & skf18("3","6","4","7","7","5","1") = "6"
    & skf18("3","6","4","7","7","6","1") = "6"
    & skf18("3","6","4","7","7","7","1") = "6"
    & skf18("3","6","4","7","7","8","1") = "7"
    & skf18("3","6","4","7","7","9","1") = "8"
    & skf18("3","6","4","7","7","10","1") = "9"
    & skf18("3","6","4","7","8","1","1") = "7"
    & skf18("3","6","4","7","8","2","1") = "7"
    & skf18("3","6","4","7","8","3","1") = "7"
    & skf18("3","6","4","7","8","4","1") = "7"
    & skf18("3","6","4","7","8","5","1") = "7"
    & skf18("3","6","4","7","8","6","1") = "7"
    & skf18("3","6","4","7","8","7","1") = "7"
    & skf18("3","6","4","7","8","8","1") = "7"
    & skf18("3","6","4","7","8","9","1") = "8"
    & skf18("3","6","4","7","8","10","1") = "9"
    & skf18("3","6","4","7","9","1","1") = "8"
    & skf18("3","6","4","7","9","2","1") = "8"
    & skf18("3","6","4","7","9","3","1") = "8"
    & skf18("3","6","4","7","9","4","1") = "8"
    & skf18("3","6","4","7","9","5","1") = "8"
    & skf18("3","6","4","7","9","6","1") = "8"
    & skf18("3","6","4","7","9","7","1") = "8"
    & skf18("3","6","4","7","9","8","1") = "8"
    & skf18("3","6","4","7","9","9","1") = "8"
    & skf18("3","6","4","7","9","10","1") = "9"
    & skf18("3","6","4","7","10","1","1") = "9"
    & skf18("3","6","4","7","10","2","1") = "9"
    & skf18("3","6","4","7","10","3","1") = "9"
    & skf18("3","6","4","7","10","4","1") = "9"
    & skf18("3","6","4","7","10","5","1") = "9"
    & skf18("3","6","4","7","10","6","1") = "9"
    & skf18("3","6","4","7","10","7","1") = "9"
    & skf18("3","6","4","7","10","8","1") = "9"
    & skf18("3","6","4","7","10","9","1") = "9"
    & skf18("3","6","4","7","10","10","1") = "9"
    & skf18("3","6","4","8","1","1","1") = "7"
    & skf18("3","6","4","8","1","2","1") = "7"
    & skf18("3","6","4","8","1","3","1") = "7"
    & skf18("3","6","4","8","1","4","1") = "7"
    & skf18("3","6","4","8","1","5","1") = "7"
    & skf18("3","6","4","8","1","6","1") = "7"
    & skf18("3","6","4","8","1","7","1") = "7"
    & skf18("3","6","4","8","1","8","1") = "7"
    & skf18("3","6","4","8","1","9","1") = "8"
    & skf18("3","6","4","8","1","10","1") = "9"
    & skf18("3","6","4","8","2","1","1") = "7"
    & skf18("3","6","4","8","2","2","1") = "7"
    & skf18("3","6","4","8","2","3","1") = "7"
    & skf18("3","6","4","8","2","4","1") = "7"
    & skf18("3","6","4","8","2","5","1") = "7"
    & skf18("3","6","4","8","2","6","1") = "7"
    & skf18("3","6","4","8","2","7","1") = "7"
    & skf18("3","6","4","8","2","8","1") = "7"
    & skf18("3","6","4","8","2","9","1") = "8"
    & skf18("3","6","4","8","2","10","1") = "9"
    & skf18("3","6","4","8","3","1","1") = "7"
    & skf18("3","6","4","8","3","2","1") = "7"
    & skf18("3","6","4","8","3","3","1") = "7"
    & skf18("3","6","4","8","3","4","1") = "7"
    & skf18("3","6","4","8","3","5","1") = "7"
    & skf18("3","6","4","8","3","6","1") = "7"
    & skf18("3","6","4","8","3","7","1") = "7"
    & skf18("3","6","4","8","3","8","1") = "7"
    & skf18("3","6","4","8","3","9","1") = "8"
    & skf18("3","6","4","8","3","10","1") = "9"
    & skf18("3","6","4","8","4","1","1") = "7"
    & skf18("3","6","4","8","4","2","1") = "7"
    & skf18("3","6","4","8","4","3","1") = "7"
    & skf18("3","6","4","8","4","4","1") = "7"
    & skf18("3","6","4","8","4","5","1") = "7"
    & skf18("3","6","4","8","4","6","1") = "7"
    & skf18("3","6","4","8","4","7","1") = "7"
    & skf18("3","6","4","8","4","8","1") = "7"
    & skf18("3","6","4","8","4","9","1") = "8"
    & skf18("3","6","4","8","4","10","1") = "9"
    & skf18("3","6","4","8","5","1","1") = "7"
    & skf18("3","6","4","8","5","2","1") = "7"
    & skf18("3","6","4","8","5","3","1") = "7"
    & skf18("3","6","4","8","5","4","1") = "7"
    & skf18("3","6","4","8","5","5","1") = "7"
    & skf18("3","6","4","8","5","6","1") = "7"
    & skf18("3","6","4","8","5","7","1") = "7"
    & skf18("3","6","4","8","5","8","1") = "7"
    & skf18("3","6","4","8","5","9","1") = "8"
    & skf18("3","6","4","8","5","10","1") = "9"
    & skf18("3","6","4","8","6","1","1") = "7"
    & skf18("3","6","4","8","6","2","1") = "7"
    & skf18("3","6","4","8","6","3","1") = "7"
    & skf18("3","6","4","8","6","4","1") = "7"
    & skf18("3","6","4","8","6","5","1") = "7"
    & skf18("3","6","4","8","6","6","1") = "7"
    & skf18("3","6","4","8","6","7","1") = "7"
    & skf18("3","6","4","8","6","8","1") = "7"
    & skf18("3","6","4","8","6","9","1") = "8"
    & skf18("3","6","4","8","6","10","1") = "9"
    & skf18("3","6","4","8","7","1","1") = "7"
    & skf18("3","6","4","8","7","2","1") = "7"
    & skf18("3","6","4","8","7","3","1") = "7"
    & skf18("3","6","4","8","7","4","1") = "7"
    & skf18("3","6","4","8","7","5","1") = "7"
    & skf18("3","6","4","8","7","6","1") = "7"
    & skf18("3","6","4","8","7","7","1") = "7"
    & skf18("3","6","4","8","7","8","1") = "7"
    & skf18("3","6","4","8","7","9","1") = "8"
    & skf18("3","6","4","8","7","10","1") = "9"
    & skf18("3","6","4","8","8","1","1") = "7"
    & skf18("3","6","4","8","8","2","1") = "7"
    & skf18("3","6","4","8","8","3","1") = "7"
    & skf18("3","6","4","8","8","4","1") = "7"
    & skf18("3","6","4","8","8","5","1") = "7"
    & skf18("3","6","4","8","8","6","1") = "7"
    & skf18("3","6","4","8","8","7","1") = "7"
    & skf18("3","6","4","8","8","8","1") = "7"
    & skf18("3","6","4","8","8","9","1") = "8"
    & skf18("3","6","4","8","8","10","1") = "9"
    & skf18("3","6","4","8","9","1","1") = "8"
    & skf18("3","6","4","8","9","2","1") = "8"
    & skf18("3","6","4","8","9","3","1") = "8"
    & skf18("3","6","4","8","9","4","1") = "8"
    & skf18("3","6","4","8","9","5","1") = "8"
    & skf18("3","6","4","8","9","6","1") = "8"
    & skf18("3","6","4","8","9","7","1") = "8"
    & skf18("3","6","4","8","9","8","1") = "8"
    & skf18("3","6","4","8","9","9","1") = "8"
    & skf18("3","6","4","8","9","10","1") = "9"
    & skf18("3","6","4","8","10","1","1") = "9"
    & skf18("3","6","4","8","10","2","1") = "9"
    & skf18("3","6","4","8","10","3","1") = "9"
    & skf18("3","6","4","8","10","4","1") = "9"
    & skf18("3","6","4","8","10","5","1") = "9"
    & skf18("3","6","4","8","10","6","1") = "9"
    & skf18("3","6","4","8","10","7","1") = "9"
    & skf18("3","6","4","8","10","8","1") = "9"
    & skf18("3","6","4","8","10","9","1") = "9"
    & skf18("3","6","4","8","10","10","1") = "9"
    & skf18("3","6","4","9","1","1","1") = "8"
    & skf18("3","6","4","9","1","2","1") = "8"
    & skf18("3","6","4","9","1","3","1") = "8"
    & skf18("3","6","4","9","1","4","1") = "8"
    & skf18("3","6","4","9","1","5","1") = "8"
    & skf18("3","6","4","9","1","6","1") = "8"
    & skf18("3","6","4","9","1","7","1") = "8"
    & skf18("3","6","4","9","1","8","1") = "8"
    & skf18("3","6","4","9","1","9","1") = "8"
    & skf18("3","6","4","9","1","10","1") = "9"
    & skf18("3","6","4","9","2","1","1") = "8"
    & skf18("3","6","4","9","2","2","1") = "8"
    & skf18("3","6","4","9","2","3","1") = "8"
    & skf18("3","6","4","9","2","4","1") = "8"
    & skf18("3","6","4","9","2","5","1") = "8"
    & skf18("3","6","4","9","2","6","1") = "8"
    & skf18("3","6","4","9","2","7","1") = "8"
    & skf18("3","6","4","9","2","8","1") = "8"
    & skf18("3","6","4","9","2","9","1") = "8"
    & skf18("3","6","4","9","2","10","1") = "9"
    & skf18("3","6","4","9","3","1","1") = "8"
    & skf18("3","6","4","9","3","2","1") = "8"
    & skf18("3","6","4","9","3","3","1") = "8"
    & skf18("3","6","4","9","3","4","1") = "8"
    & skf18("3","6","4","9","3","5","1") = "8"
    & skf18("3","6","4","9","3","6","1") = "8"
    & skf18("3","6","4","9","3","7","1") = "8"
    & skf18("3","6","4","9","3","8","1") = "8"
    & skf18("3","6","4","9","3","9","1") = "8"
    & skf18("3","6","4","9","3","10","1") = "9"
    & skf18("3","6","4","9","4","1","1") = "8"
    & skf18("3","6","4","9","4","2","1") = "8"
    & skf18("3","6","4","9","4","3","1") = "8"
    & skf18("3","6","4","9","4","4","1") = "8"
    & skf18("3","6","4","9","4","5","1") = "8"
    & skf18("3","6","4","9","4","6","1") = "8"
    & skf18("3","6","4","9","4","7","1") = "8"
    & skf18("3","6","4","9","4","8","1") = "8"
    & skf18("3","6","4","9","4","9","1") = "8"
    & skf18("3","6","4","9","4","10","1") = "9"
    & skf18("3","6","4","9","5","1","1") = "8"
    & skf18("3","6","4","9","5","2","1") = "8"
    & skf18("3","6","4","9","5","3","1") = "8"
    & skf18("3","6","4","9","5","4","1") = "8"
    & skf18("3","6","4","9","5","5","1") = "8"
    & skf18("3","6","4","9","5","6","1") = "8"
    & skf18("3","6","4","9","5","7","1") = "8"
    & skf18("3","6","4","9","5","8","1") = "8"
    & skf18("3","6","4","9","5","9","1") = "8"
    & skf18("3","6","4","9","5","10","1") = "9"
    & skf18("3","6","4","9","6","1","1") = "8"
    & skf18("3","6","4","9","6","2","1") = "8"
    & skf18("3","6","4","9","6","3","1") = "8"
    & skf18("3","6","4","9","6","4","1") = "8"
    & skf18("3","6","4","9","6","5","1") = "8"
    & skf18("3","6","4","9","6","6","1") = "8"
    & skf18("3","6","4","9","6","7","1") = "8"
    & skf18("3","6","4","9","6","8","1") = "8"
    & skf18("3","6","4","9","6","9","1") = "8"
    & skf18("3","6","4","9","6","10","1") = "9"
    & skf18("3","6","4","9","7","1","1") = "8"
    & skf18("3","6","4","9","7","2","1") = "8"
    & skf18("3","6","4","9","7","3","1") = "8"
    & skf18("3","6","4","9","7","4","1") = "8"
    & skf18("3","6","4","9","7","5","1") = "8"
    & skf18("3","6","4","9","7","6","1") = "8"
    & skf18("3","6","4","9","7","7","1") = "8"
    & skf18("3","6","4","9","7","8","1") = "8"
    & skf18("3","6","4","9","7","9","1") = "8"
    & skf18("3","6","4","9","7","10","1") = "9"
    & skf18("3","6","4","9","8","1","1") = "8"
    & skf18("3","6","4","9","8","2","1") = "8"
    & skf18("3","6","4","9","8","3","1") = "8"
    & skf18("3","6","4","9","8","4","1") = "8"
    & skf18("3","6","4","9","8","5","1") = "8"
    & skf18("3","6","4","9","8","6","1") = "8"
    & skf18("3","6","4","9","8","7","1") = "8"
    & skf18("3","6","4","9","8","8","1") = "8"
    & skf18("3","6","4","9","8","9","1") = "8"
    & skf18("3","6","4","9","8","10","1") = "9"
    & skf18("3","6","4","9","9","1","1") = "8"
    & skf18("3","6","4","9","9","2","1") = "8"
    & skf18("3","6","4","9","9","3","1") = "8"
    & skf18("3","6","4","9","9","4","1") = "8"
    & skf18("3","6","4","9","9","5","1") = "8"
    & skf18("3","6","4","9","9","6","1") = "8"
    & skf18("3","6","4","9","9","7","1") = "8"
    & skf18("3","6","4","9","9","8","1") = "8"
    & skf18("3","6","4","9","9","9","1") = "8"
    & skf18("3","6","4","9","9","10","1") = "9"
    & skf18("3","6","4","9","10","1","1") = "9"
    & skf18("3","6","4","9","10","2","1") = "9"
    & skf18("3","6","4","9","10","3","1") = "9"
    & skf18("3","6","4","9","10","4","1") = "9"
    & skf18("3","6","4","9","10","5","1") = "9"
    & skf18("3","6","4","9","10","6","1") = "9"
    & skf18("3","6","4","9","10","7","1") = "9"
    & skf18("3","6","4","9","10","8","1") = "9"
    & skf18("3","6","4","9","10","9","1") = "9"
    & skf18("3","6","4","9","10","10","1") = "9"
    & skf18("3","6","4","10","1","1","1") = "9"
    & skf18("3","6","4","10","1","2","1") = "9"
    & skf18("3","6","4","10","1","3","1") = "9"
    & skf18("3","6","4","10","1","4","1") = "9"
    & skf18("3","6","4","10","1","5","1") = "9"
    & skf18("3","6","4","10","1","6","1") = "9"
    & skf18("3","6","4","10","1","7","1") = "9"
    & skf18("3","6","4","10","1","8","1") = "9"
    & skf18("3","6","4","10","1","9","1") = "9"
    & skf18("3","6","4","10","1","10","1") = "9"
    & skf18("3","6","4","10","2","1","1") = "9"
    & skf18("3","6","4","10","2","2","1") = "9"
    & skf18("3","6","4","10","2","3","1") = "9"
    & skf18("3","6","4","10","2","4","1") = "9"
    & skf18("3","6","4","10","2","5","1") = "9"
    & skf18("3","6","4","10","2","6","1") = "9"
    & skf18("3","6","4","10","2","7","1") = "9"
    & skf18("3","6","4","10","2","8","1") = "9"
    & skf18("3","6","4","10","2","9","1") = "9"
    & skf18("3","6","4","10","2","10","1") = "9"
    & skf18("3","6","4","10","3","1","1") = "9"
    & skf18("3","6","4","10","3","2","1") = "9"
    & skf18("3","6","4","10","3","3","1") = "9"
    & skf18("3","6","4","10","3","4","1") = "9"
    & skf18("3","6","4","10","3","5","1") = "9"
    & skf18("3","6","4","10","3","6","1") = "9"
    & skf18("3","6","4","10","3","7","1") = "9"
    & skf18("3","6","4","10","3","8","1") = "9"
    & skf18("3","6","4","10","3","9","1") = "9"
    & skf18("3","6","4","10","3","10","1") = "9"
    & skf18("3","6","4","10","4","1","1") = "9"
    & skf18("3","6","4","10","4","2","1") = "9"
    & skf18("3","6","4","10","4","3","1") = "9"
    & skf18("3","6","4","10","4","4","1") = "9"
    & skf18("3","6","4","10","4","5","1") = "9"
    & skf18("3","6","4","10","4","6","1") = "9"
    & skf18("3","6","4","10","4","7","1") = "9"
    & skf18("3","6","4","10","4","8","1") = "9"
    & skf18("3","6","4","10","4","9","1") = "9"
    & skf18("3","6","4","10","4","10","1") = "9"
    & skf18("3","6","4","10","5","1","1") = "9"
    & skf18("3","6","4","10","5","2","1") = "9"
    & skf18("3","6","4","10","5","3","1") = "9"
    & skf18("3","6","4","10","5","4","1") = "9"
    & skf18("3","6","4","10","5","5","1") = "9"
    & skf18("3","6","4","10","5","6","1") = "9"
    & skf18("3","6","4","10","5","7","1") = "9"
    & skf18("3","6","4","10","5","8","1") = "9"
    & skf18("3","6","4","10","5","9","1") = "9"
    & skf18("3","6","4","10","5","10","1") = "9"
    & skf18("3","6","4","10","6","1","1") = "9"
    & skf18("3","6","4","10","6","2","1") = "9"
    & skf18("3","6","4","10","6","3","1") = "9"
    & skf18("3","6","4","10","6","4","1") = "9"
    & skf18("3","6","4","10","6","5","1") = "9"
    & skf18("3","6","4","10","6","6","1") = "9"
    & skf18("3","6","4","10","6","7","1") = "9"
    & skf18("3","6","4","10","6","8","1") = "9"
    & skf18("3","6","4","10","6","9","1") = "9"
    & skf18("3","6","4","10","6","10","1") = "9"
    & skf18("3","6","4","10","7","1","1") = "9"
    & skf18("3","6","4","10","7","2","1") = "9"
    & skf18("3","6","4","10","7","3","1") = "9"
    & skf18("3","6","4","10","7","4","1") = "9"
    & skf18("3","6","4","10","7","5","1") = "9"
    & skf18("3","6","4","10","7","6","1") = "9"
    & skf18("3","6","4","10","7","7","1") = "9"
    & skf18("3","6","4","10","7","8","1") = "9"
    & skf18("3","6","4","10","7","9","1") = "9"
    & skf18("3","6","4","10","7","10","1") = "9"
    & skf18("3","6","4","10","8","1","1") = "9"
    & skf18("3","6","4","10","8","2","1") = "9"
    & skf18("3","6","4","10","8","3","1") = "9"
    & skf18("3","6","4","10","8","4","1") = "9"
    & skf18("3","6","4","10","8","5","1") = "9"
    & skf18("3","6","4","10","8","6","1") = "9"
    & skf18("3","6","4","10","8","7","1") = "9"
    & skf18("3","6","4","10","8","8","1") = "9"
    & skf18("3","6","4","10","8","9","1") = "9"
    & skf18("3","6","4","10","8","10","1") = "9"
    & skf18("3","6","4","10","9","1","1") = "9"
    & skf18("3","6","4","10","9","2","1") = "9"
    & skf18("3","6","4","10","9","3","1") = "9"
    & skf18("3","6","4","10","9","4","1") = "9"
    & skf18("3","6","4","10","9","5","1") = "9"
    & skf18("3","6","4","10","9","6","1") = "9"
    & skf18("3","6","4","10","9","7","1") = "9"
    & skf18("3","6","4","10","9","8","1") = "9"
    & skf18("3","6","4","10","9","9","1") = "9"
    & skf18("3","6","4","10","9","10","1") = "9"
    & skf18("3","6","4","10","10","1","1") = "9"
    & skf18("3","6","4","10","10","2","1") = "9"
    & skf18("3","6","4","10","10","3","1") = "9"
    & skf18("3","6","4","10","10","4","1") = "9"
    & skf18("3","6","4","10","10","5","1") = "9"
    & skf18("3","6","4","10","10","6","1") = "9"
    & skf18("3","6","4","10","10","7","1") = "9"
    & skf18("3","6","4","10","10","8","1") = "9"
    & skf18("3","6","4","10","10","9","1") = "9"
    & skf18("3","6","4","10","10","10","1") = "9"
    & skf18("3","6","5","1","1","1","1") = "5"
    & skf18("3","6","5","1","1","2","1") = "5"
    & skf18("3","6","5","1","1","3","1") = "5"
    & skf18("3","6","5","1","1","4","1") = "5"
    & skf18("3","6","5","1","1","5","1") = "5"
    & skf18("3","6","5","1","1","6","1") = "5"
    & skf18("3","6","5","1","1","7","1") = "6"
    & skf18("3","6","5","1","1","8","1") = "7"
    & skf18("3","6","5","1","1","9","1") = "8"
    & skf18("3","6","5","1","1","10","1") = "9"
    & skf18("3","6","5","1","2","1","1") = "5"
    & skf18("3","6","5","1","2","2","1") = "5"
    & skf18("3","6","5","1","2","3","1") = "5"
    & skf18("3","6","5","1","2","4","1") = "5"
    & skf18("3","6","5","1","2","5","1") = "5"
    & skf18("3","6","5","1","2","6","1") = "5"
    & skf18("3","6","5","1","2","7","1") = "6"
    & skf18("3","6","5","1","2","8","1") = "7"
    & skf18("3","6","5","1","2","9","1") = "8"
    & skf18("3","6","5","1","2","10","1") = "9"
    & skf18("3","6","5","1","3","1","1") = "5"
    & skf18("3","6","5","1","3","2","1") = "5"
    & skf18("3","6","5","1","3","3","1") = "5"
    & skf18("3","6","5","1","3","4","1") = "5"
    & skf18("3","6","5","1","3","5","1") = "5"
    & skf18("3","6","5","1","3","6","1") = "5"
    & skf18("3","6","5","1","3","7","1") = "6"
    & skf18("3","6","5","1","3","8","1") = "7"
    & skf18("3","6","5","1","3","9","1") = "8"
    & skf18("3","6","5","1","3","10","1") = "9"
    & skf18("3","6","5","1","4","1","1") = "5"
    & skf18("3","6","5","1","4","2","1") = "5"
    & skf18("3","6","5","1","4","3","1") = "5"
    & skf18("3","6","5","1","4","4","1") = "5"
    & skf18("3","6","5","1","4","5","1") = "5"
    & skf18("3","6","5","1","4","6","1") = "5"
    & skf18("3","6","5","1","4","7","1") = "6"
    & skf18("3","6","5","1","4","8","1") = "7"
    & skf18("3","6","5","1","4","9","1") = "8"
    & skf18("3","6","5","1","4","10","1") = "9"
    & skf18("3","6","5","1","5","1","1") = "5"
    & skf18("3","6","5","1","5","2","1") = "5"
    & skf18("3","6","5","1","5","3","1") = "5"
    & skf18("3","6","5","1","5","4","1") = "5"
    & skf18("3","6","5","1","5","5","1") = "5"
    & skf18("3","6","5","1","5","6","1") = "5"
    & skf18("3","6","5","1","5","7","1") = "6"
    & skf18("3","6","5","1","5","8","1") = "7"
    & skf18("3","6","5","1","5","9","1") = "8"
    & skf18("3","6","5","1","5","10","1") = "9"
    & skf18("3","6","5","1","6","1","1") = "5"
    & skf18("3","6","5","1","6","2","1") = "5"
    & skf18("3","6","5","1","6","3","1") = "5"
    & skf18("3","6","5","1","6","4","1") = "5"
    & skf18("3","6","5","1","6","5","1") = "5"
    & skf18("3","6","5","1","6","6","1") = "5"
    & skf18("3","6","5","1","6","7","1") = "6"
    & skf18("3","6","5","1","6","8","1") = "7"
    & skf18("3","6","5","1","6","9","1") = "8"
    & skf18("3","6","5","1","6","10","1") = "9"
    & skf18("3","6","5","1","7","1","1") = "6"
    & skf18("3","6","5","1","7","2","1") = "6"
    & skf18("3","6","5","1","7","3","1") = "6"
    & skf18("3","6","5","1","7","4","1") = "6"
    & skf18("3","6","5","1","7","5","1") = "6"
    & skf18("3","6","5","1","7","6","1") = "6"
    & skf18("3","6","5","1","7","7","1") = "6"
    & skf18("3","6","5","1","7","8","1") = "7"
    & skf18("3","6","5","1","7","9","1") = "8"
    & skf18("3","6","5","1","7","10","1") = "9"
    & skf18("3","6","5","1","8","1","1") = "7"
    & skf18("3","6","5","1","8","2","1") = "7"
    & skf18("3","6","5","1","8","3","1") = "7"
    & skf18("3","6","5","1","8","4","1") = "7"
    & skf18("3","6","5","1","8","5","1") = "7"
    & skf18("3","6","5","1","8","6","1") = "7"
    & skf18("3","6","5","1","8","7","1") = "7"
    & skf18("3","6","5","1","8","8","1") = "7"
    & skf18("3","6","5","1","8","9","1") = "8"
    & skf18("3","6","5","1","8","10","1") = "9"
    & skf18("3","6","5","1","9","1","1") = "8"
    & skf18("3","6","5","1","9","2","1") = "8"
    & skf18("3","6","5","1","9","3","1") = "8"
    & skf18("3","6","5","1","9","4","1") = "8"
    & skf18("3","6","5","1","9","5","1") = "8"
    & skf18("3","6","5","1","9","6","1") = "8"
    & skf18("3","6","5","1","9","7","1") = "8"
    & skf18("3","6","5","1","9","8","1") = "8"
    & skf18("3","6","5","1","9","9","1") = "8"
    & skf18("3","6","5","1","9","10","1") = "9"
    & skf18("3","6","5","1","10","1","1") = "9"
    & skf18("3","6","5","1","10","2","1") = "9"
    & skf18("3","6","5","1","10","3","1") = "9"
    & skf18("3","6","5","1","10","4","1") = "9"
    & skf18("3","6","5","1","10","5","1") = "9"
    & skf18("3","6","5","1","10","6","1") = "9"
    & skf18("3","6","5","1","10","7","1") = "9"
    & skf18("3","6","5","1","10","8","1") = "9"
    & skf18("3","6","5","1","10","9","1") = "9"
    & skf18("3","6","5","1","10","10","1") = "9"
    & skf18("3","6","5","2","1","1","1") = "5"
    & skf18("3","6","5","2","1","2","1") = "5"
    & skf18("3","6","5","2","1","3","1") = "5"
    & skf18("3","6","5","2","1","4","1") = "5"
    & skf18("3","6","5","2","1","5","1") = "5"
    & skf18("3","6","5","2","1","6","1") = "5"
    & skf18("3","6","5","2","1","7","1") = "6"
    & skf18("3","6","5","2","1","8","1") = "7"
    & skf18("3","6","5","2","1","9","1") = "8"
    & skf18("3","6","5","2","1","10","1") = "9"
    & skf18("3","6","5","2","2","1","1") = "5"
    & skf18("3","6","5","2","2","2","1") = "5"
    & skf18("3","6","5","2","2","3","1") = "5"
    & skf18("3","6","5","2","2","4","1") = "5"
    & skf18("3","6","5","2","2","5","1") = "5"
    & skf18("3","6","5","2","2","6","1") = "5"
    & skf18("3","6","5","2","2","7","1") = "6"
    & skf18("3","6","5","2","2","8","1") = "7"
    & skf18("3","6","5","2","2","9","1") = "8"
    & skf18("3","6","5","2","2","10","1") = "9"
    & skf18("3","6","5","2","3","1","1") = "5"
    & skf18("3","6","5","2","3","2","1") = "5"
    & skf18("3","6","5","2","3","3","1") = "5"
    & skf18("3","6","5","2","3","4","1") = "5"
    & skf18("3","6","5","2","3","5","1") = "5"
    & skf18("3","6","5","2","3","6","1") = "5"
    & skf18("3","6","5","2","3","7","1") = "6"
    & skf18("3","6","5","2","3","8","1") = "7"
    & skf18("3","6","5","2","3","9","1") = "8"
    & skf18("3","6","5","2","3","10","1") = "9"
    & skf18("3","6","5","2","4","1","1") = "5"
    & skf18("3","6","5","2","4","2","1") = "5"
    & skf18("3","6","5","2","4","3","1") = "5"
    & skf18("3","6","5","2","4","4","1") = "5"
    & skf18("3","6","5","2","4","5","1") = "5"
    & skf18("3","6","5","2","4","6","1") = "5"
    & skf18("3","6","5","2","4","7","1") = "6"
    & skf18("3","6","5","2","4","8","1") = "7"
    & skf18("3","6","5","2","4","9","1") = "8"
    & skf18("3","6","5","2","4","10","1") = "9"
    & skf18("3","6","5","2","5","1","1") = "5"
    & skf18("3","6","5","2","5","2","1") = "5"
    & skf18("3","6","5","2","5","3","1") = "5"
    & skf18("3","6","5","2","5","4","1") = "5"
    & skf18("3","6","5","2","5","5","1") = "5"
    & skf18("3","6","5","2","5","6","1") = "5"
    & skf18("3","6","5","2","5","7","1") = "6"
    & skf18("3","6","5","2","5","8","1") = "7"
    & skf18("3","6","5","2","5","9","1") = "8"
    & skf18("3","6","5","2","5","10","1") = "9"
    & skf18("3","6","5","2","6","1","1") = "5"
    & skf18("3","6","5","2","6","2","1") = "5"
    & skf18("3","6","5","2","6","3","1") = "5"
    & skf18("3","6","5","2","6","4","1") = "5"
    & skf18("3","6","5","2","6","5","1") = "5"
    & skf18("3","6","5","2","6","6","1") = "5"
    & skf18("3","6","5","2","6","7","1") = "6"
    & skf18("3","6","5","2","6","8","1") = "7"
    & skf18("3","6","5","2","6","9","1") = "8"
    & skf18("3","6","5","2","6","10","1") = "9"
    & skf18("3","6","5","2","7","1","1") = "6"
    & skf18("3","6","5","2","7","2","1") = "6"
    & skf18("3","6","5","2","7","3","1") = "6"
    & skf18("3","6","5","2","7","4","1") = "6"
    & skf18("3","6","5","2","7","5","1") = "6"
    & skf18("3","6","5","2","7","6","1") = "6"
    & skf18("3","6","5","2","7","7","1") = "6"
    & skf18("3","6","5","2","7","8","1") = "7"
    & skf18("3","6","5","2","7","9","1") = "8"
    & skf18("3","6","5","2","7","10","1") = "9"
    & skf18("3","6","5","2","8","1","1") = "7"
    & skf18("3","6","5","2","8","2","1") = "7"
    & skf18("3","6","5","2","8","3","1") = "7"
    & skf18("3","6","5","2","8","4","1") = "7"
    & skf18("3","6","5","2","8","5","1") = "7"
    & skf18("3","6","5","2","8","6","1") = "7"
    & skf18("3","6","5","2","8","7","1") = "7"
    & skf18("3","6","5","2","8","8","1") = "7"
    & skf18("3","6","5","2","8","9","1") = "8"
    & skf18("3","6","5","2","8","10","1") = "9"
    & skf18("3","6","5","2","9","1","1") = "8"
    & skf18("3","6","5","2","9","2","1") = "8"
    & skf18("3","6","5","2","9","3","1") = "8"
    & skf18("3","6","5","2","9","4","1") = "8"
    & skf18("3","6","5","2","9","5","1") = "8"
    & skf18("3","6","5","2","9","6","1") = "8"
    & skf18("3","6","5","2","9","7","1") = "8"
    & skf18("3","6","5","2","9","8","1") = "8"
    & skf18("3","6","5","2","9","9","1") = "8"
    & skf18("3","6","5","2","9","10","1") = "9"
    & skf18("3","6","5","2","10","1","1") = "9"
    & skf18("3","6","5","2","10","2","1") = "9"
    & skf18("3","6","5","2","10","3","1") = "9"
    & skf18("3","6","5","2","10","4","1") = "9"
    & skf18("3","6","5","2","10","5","1") = "9"
    & skf18("3","6","5","2","10","6","1") = "9"
    & skf18("3","6","5","2","10","7","1") = "9"
    & skf18("3","6","5","2","10","8","1") = "9"
    & skf18("3","6","5","2","10","9","1") = "9"
    & skf18("3","6","5","2","10","10","1") = "9"
    & skf18("3","6","5","3","1","1","1") = "5"
    & skf18("3","6","5","3","1","2","1") = "5"
    & skf18("3","6","5","3","1","3","1") = "5"
    & skf18("3","6","5","3","1","4","1") = "5"
    & skf18("3","6","5","3","1","5","1") = "5"
    & skf18("3","6","5","3","1","6","1") = "5"
    & skf18("3","6","5","3","1","7","1") = "6"
    & skf18("3","6","5","3","1","8","1") = "7"
    & skf18("3","6","5","3","1","9","1") = "8"
    & skf18("3","6","5","3","1","10","1") = "9"
    & skf18("3","6","5","3","2","1","1") = "5"
    & skf18("3","6","5","3","2","2","1") = "5"
    & skf18("3","6","5","3","2","3","1") = "5"
    & skf18("3","6","5","3","2","4","1") = "5"
    & skf18("3","6","5","3","2","5","1") = "5"
    & skf18("3","6","5","3","2","6","1") = "5"
    & skf18("3","6","5","3","2","7","1") = "6"
    & skf18("3","6","5","3","2","8","1") = "7"
    & skf18("3","6","5","3","2","9","1") = "8"
    & skf18("3","6","5","3","2","10","1") = "9"
    & skf18("3","6","5","3","3","1","1") = "5"
    & skf18("3","6","5","3","3","2","1") = "5"
    & skf18("3","6","5","3","3","3","1") = "5"
    & skf18("3","6","5","3","3","4","1") = "5"
    & skf18("3","6","5","3","3","5","1") = "5"
    & skf18("3","6","5","3","3","6","1") = "5"
    & skf18("3","6","5","3","3","7","1") = "6"
    & skf18("3","6","5","3","3","8","1") = "7"
    & skf18("3","6","5","3","3","9","1") = "8"
    & skf18("3","6","5","3","3","10","1") = "9"
    & skf18("3","6","5","3","4","1","1") = "5"
    & skf18("3","6","5","3","4","2","1") = "5"
    & skf18("3","6","5","3","4","3","1") = "5"
    & skf18("3","6","5","3","4","4","1") = "5"
    & skf18("3","6","5","3","4","5","1") = "5"
    & skf18("3","6","5","3","4","6","1") = "5"
    & skf18("3","6","5","3","4","7","1") = "6"
    & skf18("3","6","5","3","4","8","1") = "7"
    & skf18("3","6","5","3","4","9","1") = "8"
    & skf18("3","6","5","3","4","10","1") = "9"
    & skf18("3","6","5","3","5","1","1") = "5"
    & skf18("3","6","5","3","5","2","1") = "5"
    & skf18("3","6","5","3","5","3","1") = "5"
    & skf18("3","6","5","3","5","4","1") = "5"
    & skf18("3","6","5","3","5","5","1") = "5"
    & skf18("3","6","5","3","5","6","1") = "5"
    & skf18("3","6","5","3","5","7","1") = "6"
    & skf18("3","6","5","3","5","8","1") = "7"
    & skf18("3","6","5","3","5","9","1") = "8"
    & skf18("3","6","5","3","5","10","1") = "9"
    & skf18("3","6","5","3","6","1","1") = "5"
    & skf18("3","6","5","3","6","2","1") = "5"
    & skf18("3","6","5","3","6","3","1") = "5"
    & skf18("3","6","5","3","6","4","1") = "5"
    & skf18("3","6","5","3","6","5","1") = "5"
    & skf18("3","6","5","3","6","6","1") = "5"
    & skf18("3","6","5","3","6","7","1") = "6"
    & skf18("3","6","5","3","6","8","1") = "7"
    & skf18("3","6","5","3","6","9","1") = "8"
    & skf18("3","6","5","3","6","10","1") = "9"
    & skf18("3","6","5","3","7","1","1") = "6"
    & skf18("3","6","5","3","7","2","1") = "6"
    & skf18("3","6","5","3","7","3","1") = "6"
    & skf18("3","6","5","3","7","4","1") = "6"
    & skf18("3","6","5","3","7","5","1") = "6"
    & skf18("3","6","5","3","7","6","1") = "6"
    & skf18("3","6","5","3","7","7","1") = "6"
    & skf18("3","6","5","3","7","8","1") = "7"
    & skf18("3","6","5","3","7","9","1") = "8"
    & skf18("3","6","5","3","7","10","1") = "9"
    & skf18("3","6","5","3","8","1","1") = "7"
    & skf18("3","6","5","3","8","2","1") = "7"
    & skf18("3","6","5","3","8","3","1") = "7"
    & skf18("3","6","5","3","8","4","1") = "7"
    & skf18("3","6","5","3","8","5","1") = "7"
    & skf18("3","6","5","3","8","6","1") = "7"
    & skf18("3","6","5","3","8","7","1") = "7"
    & skf18("3","6","5","3","8","8","1") = "7"
    & skf18("3","6","5","3","8","9","1") = "8"
    & skf18("3","6","5","3","8","10","1") = "9"
    & skf18("3","6","5","3","9","1","1") = "8"
    & skf18("3","6","5","3","9","2","1") = "8"
    & skf18("3","6","5","3","9","3","1") = "8"
    & skf18("3","6","5","3","9","4","1") = "8"
    & skf18("3","6","5","3","9","5","1") = "8"
    & skf18("3","6","5","3","9","6","1") = "8"
    & skf18("3","6","5","3","9","7","1") = "8"
    & skf18("3","6","5","3","9","8","1") = "8"
    & skf18("3","6","5","3","9","9","1") = "8"
    & skf18("3","6","5","3","9","10","1") = "9"
    & skf18("3","6","5","3","10","1","1") = "9"
    & skf18("3","6","5","3","10","2","1") = "9"
    & skf18("3","6","5","3","10","3","1") = "9"
    & skf18("3","6","5","3","10","4","1") = "9"
    & skf18("3","6","5","3","10","5","1") = "9"
    & skf18("3","6","5","3","10","6","1") = "9"
    & skf18("3","6","5","3","10","7","1") = "9"
    & skf18("3","6","5","3","10","8","1") = "9"
    & skf18("3","6","5","3","10","9","1") = "9"
    & skf18("3","6","5","3","10","10","1") = "9"
    & skf18("3","6","5","4","1","1","1") = "5"
    & skf18("3","6","5","4","1","2","1") = "5"
    & skf18("3","6","5","4","1","3","1") = "5"
    & skf18("3","6","5","4","1","4","1") = "5"
    & skf18("3","6","5","4","1","5","1") = "5"
    & skf18("3","6","5","4","1","6","1") = "5"
    & skf18("3","6","5","4","1","7","1") = "6"
    & skf18("3","6","5","4","1","8","1") = "7"
    & skf18("3","6","5","4","1","9","1") = "8"
    & skf18("3","6","5","4","1","10","1") = "9"
    & skf18("3","6","5","4","2","1","1") = "5"
    & skf18("3","6","5","4","2","2","1") = "5"
    & skf18("3","6","5","4","2","3","1") = "5"
    & skf18("3","6","5","4","2","4","1") = "5"
    & skf18("3","6","5","4","2","5","1") = "5"
    & skf18("3","6","5","4","2","6","1") = "5"
    & skf18("3","6","5","4","2","7","1") = "6"
    & skf18("3","6","5","4","2","8","1") = "7"
    & skf18("3","6","5","4","2","9","1") = "8"
    & skf18("3","6","5","4","2","10","1") = "9"
    & skf18("3","6","5","4","3","1","1") = "5"
    & skf18("3","6","5","4","3","2","1") = "5"
    & skf18("3","6","5","4","3","3","1") = "5"
    & skf18("3","6","5","4","3","4","1") = "5"
    & skf18("3","6","5","4","3","5","1") = "5"
    & skf18("3","6","5","4","3","6","1") = "5"
    & skf18("3","6","5","4","3","7","1") = "6"
    & skf18("3","6","5","4","3","8","1") = "7"
    & skf18("3","6","5","4","3","9","1") = "8"
    & skf18("3","6","5","4","3","10","1") = "9"
    & skf18("3","6","5","4","4","1","1") = "5"
    & skf18("3","6","5","4","4","2","1") = "5"
    & skf18("3","6","5","4","4","3","1") = "5"
    & skf18("3","6","5","4","4","4","1") = "5"
    & skf18("3","6","5","4","4","5","1") = "5"
    & skf18("3","6","5","4","4","6","1") = "5"
    & skf18("3","6","5","4","4","7","1") = "6"
    & skf18("3","6","5","4","4","8","1") = "7"
    & skf18("3","6","5","4","4","9","1") = "8"
    & skf18("3","6","5","4","4","10","1") = "9"
    & skf18("3","6","5","4","5","1","1") = "5"
    & skf18("3","6","5","4","5","2","1") = "5"
    & skf18("3","6","5","4","5","3","1") = "5"
    & skf18("3","6","5","4","5","4","1") = "5"
    & skf18("3","6","5","4","5","5","1") = "5"
    & skf18("3","6","5","4","5","6","1") = "5"
    & skf18("3","6","5","4","5","7","1") = "6"
    & skf18("3","6","5","4","5","8","1") = "7"
    & skf18("3","6","5","4","5","9","1") = "8"
    & skf18("3","6","5","4","5","10","1") = "9"
    & skf18("3","6","5","4","6","1","1") = "5"
    & skf18("3","6","5","4","6","2","1") = "5"
    & skf18("3","6","5","4","6","3","1") = "5"
    & skf18("3","6","5","4","6","4","1") = "5"
    & skf18("3","6","5","4","6","5","1") = "5"
    & skf18("3","6","5","4","6","6","1") = "5"
    & skf18("3","6","5","4","6","7","1") = "6"
    & skf18("3","6","5","4","6","8","1") = "7"
    & skf18("3","6","5","4","6","9","1") = "8"
    & skf18("3","6","5","4","6","10","1") = "9"
    & skf18("3","6","5","4","7","1","1") = "6"
    & skf18("3","6","5","4","7","2","1") = "6"
    & skf18("3","6","5","4","7","3","1") = "6"
    & skf18("3","6","5","4","7","4","1") = "6"
    & skf18("3","6","5","4","7","5","1") = "6"
    & skf18("3","6","5","4","7","6","1") = "6"
    & skf18("3","6","5","4","7","7","1") = "6"
    & skf18("3","6","5","4","7","8","1") = "7"
    & skf18("3","6","5","4","7","9","1") = "8"
    & skf18("3","6","5","4","7","10","1") = "9"
    & skf18("3","6","5","4","8","1","1") = "7"
    & skf18("3","6","5","4","8","2","1") = "7"
    & skf18("3","6","5","4","8","3","1") = "7"
    & skf18("3","6","5","4","8","4","1") = "7"
    & skf18("3","6","5","4","8","5","1") = "7"
    & skf18("3","6","5","4","8","6","1") = "7"
    & skf18("3","6","5","4","8","7","1") = "7"
    & skf18("3","6","5","4","8","8","1") = "7"
    & skf18("3","6","5","4","8","9","1") = "8"
    & skf18("3","6","5","4","8","10","1") = "9"
    & skf18("3","6","5","4","9","1","1") = "8"
    & skf18("3","6","5","4","9","2","1") = "8"
    & skf18("3","6","5","4","9","3","1") = "8"
    & skf18("3","6","5","4","9","4","1") = "8"
    & skf18("3","6","5","4","9","5","1") = "8"
    & skf18("3","6","5","4","9","6","1") = "8"
    & skf18("3","6","5","4","9","7","1") = "8"
    & skf18("3","6","5","4","9","8","1") = "8"
    & skf18("3","6","5","4","9","9","1") = "8"
    & skf18("3","6","5","4","9","10","1") = "9"
    & skf18("3","6","5","4","10","1","1") = "9"
    & skf18("3","6","5","4","10","2","1") = "9"
    & skf18("3","6","5","4","10","3","1") = "9"
    & skf18("3","6","5","4","10","4","1") = "9"
    & skf18("3","6","5","4","10","5","1") = "9"
    & skf18("3","6","5","4","10","6","1") = "9"
    & skf18("3","6","5","4","10","7","1") = "9"
    & skf18("3","6","5","4","10","8","1") = "9"
    & skf18("3","6","5","4","10","9","1") = "9"
    & skf18("3","6","5","4","10","10","1") = "9"
    & skf18("3","6","5","5","1","1","1") = "5"
    & skf18("3","6","5","5","1","2","1") = "5"
    & skf18("3","6","5","5","1","3","1") = "5"
    & skf18("3","6","5","5","1","4","1") = "5"
    & skf18("3","6","5","5","1","5","1") = "5"
    & skf18("3","6","5","5","1","6","1") = "5"
    & skf18("3","6","5","5","1","7","1") = "6"
    & skf18("3","6","5","5","1","8","1") = "7"
    & skf18("3","6","5","5","1","9","1") = "8"
    & skf18("3","6","5","5","1","10","1") = "9"
    & skf18("3","6","5","5","2","1","1") = "5"
    & skf18("3","6","5","5","2","2","1") = "5"
    & skf18("3","6","5","5","2","3","1") = "5"
    & skf18("3","6","5","5","2","4","1") = "5"
    & skf18("3","6","5","5","2","5","1") = "5"
    & skf18("3","6","5","5","2","6","1") = "5"
    & skf18("3","6","5","5","2","7","1") = "6"
    & skf18("3","6","5","5","2","8","1") = "7"
    & skf18("3","6","5","5","2","9","1") = "8"
    & skf18("3","6","5","5","2","10","1") = "9"
    & skf18("3","6","5","5","3","1","1") = "5"
    & skf18("3","6","5","5","3","2","1") = "5"
    & skf18("3","6","5","5","3","3","1") = "5"
    & skf18("3","6","5","5","3","4","1") = "5"
    & skf18("3","6","5","5","3","5","1") = "5"
    & skf18("3","6","5","5","3","6","1") = "5"
    & skf18("3","6","5","5","3","7","1") = "6"
    & skf18("3","6","5","5","3","8","1") = "7"
    & skf18("3","6","5","5","3","9","1") = "8"
    & skf18("3","6","5","5","3","10","1") = "9"
    & skf18("3","6","5","5","4","1","1") = "5"
    & skf18("3","6","5","5","4","2","1") = "5"
    & skf18("3","6","5","5","4","3","1") = "5"
    & skf18("3","6","5","5","4","4","1") = "5"
    & skf18("3","6","5","5","4","5","1") = "5"
    & skf18("3","6","5","5","4","6","1") = "5"
    & skf18("3","6","5","5","4","7","1") = "6"
    & skf18("3","6","5","5","4","8","1") = "7"
    & skf18("3","6","5","5","4","9","1") = "8"
    & skf18("3","6","5","5","4","10","1") = "9"
    & skf18("3","6","5","5","5","1","1") = "5"
    & skf18("3","6","5","5","5","2","1") = "5"
    & skf18("3","6","5","5","5","3","1") = "5"
    & skf18("3","6","5","5","5","4","1") = "5"
    & skf18("3","6","5","5","5","5","1") = "5"
    & skf18("3","6","5","5","5","6","1") = "5"
    & skf18("3","6","5","5","5","7","1") = "6"
    & skf18("3","6","5","5","5","8","1") = "7"
    & skf18("3","6","5","5","5","9","1") = "8"
    & skf18("3","6","5","5","5","10","1") = "9"
    & skf18("3","6","5","5","6","1","1") = "5"
    & skf18("3","6","5","5","6","2","1") = "5"
    & skf18("3","6","5","5","6","3","1") = "5"
    & skf18("3","6","5","5","6","4","1") = "5"
    & skf18("3","6","5","5","6","5","1") = "5"
    & skf18("3","6","5","5","6","6","1") = "5"
    & skf18("3","6","5","5","6","7","1") = "6"
    & skf18("3","6","5","5","6","8","1") = "7"
    & skf18("3","6","5","5","6","9","1") = "8"
    & skf18("3","6","5","5","6","10","1") = "9"
    & skf18("3","6","5","5","7","1","1") = "6"
    & skf18("3","6","5","5","7","2","1") = "6"
    & skf18("3","6","5","5","7","3","1") = "6"
    & skf18("3","6","5","5","7","4","1") = "6"
    & skf18("3","6","5","5","7","5","1") = "6"
    & skf18("3","6","5","5","7","6","1") = "6"
    & skf18("3","6","5","5","7","7","1") = "6"
    & skf18("3","6","5","5","7","8","1") = "7"
    & skf18("3","6","5","5","7","9","1") = "8"
    & skf18("3","6","5","5","7","10","1") = "9"
    & skf18("3","6","5","5","8","1","1") = "7"
    & skf18("3","6","5","5","8","2","1") = "7"
    & skf18("3","6","5","5","8","3","1") = "7"
    & skf18("3","6","5","5","8","4","1") = "7"
    & skf18("3","6","5","5","8","5","1") = "7"
    & skf18("3","6","5","5","8","6","1") = "7"
    & skf18("3","6","5","5","8","7","1") = "7"
    & skf18("3","6","5","5","8","8","1") = "7"
    & skf18("3","6","5","5","8","9","1") = "8"
    & skf18("3","6","5","5","8","10","1") = "9"
    & skf18("3","6","5","5","9","1","1") = "8"
    & skf18("3","6","5","5","9","2","1") = "8"
    & skf18("3","6","5","5","9","3","1") = "8"
    & skf18("3","6","5","5","9","4","1") = "8"
    & skf18("3","6","5","5","9","5","1") = "8"
    & skf18("3","6","5","5","9","6","1") = "8"
    & skf18("3","6","5","5","9","7","1") = "8"
    & skf18("3","6","5","5","9","8","1") = "8"
    & skf18("3","6","5","5","9","9","1") = "8"
    & skf18("3","6","5","5","9","10","1") = "9"
    & skf18("3","6","5","5","10","1","1") = "9"
    & skf18("3","6","5","5","10","2","1") = "9"
    & skf18("3","6","5","5","10","3","1") = "9"
    & skf18("3","6","5","5","10","4","1") = "9"
    & skf18("3","6","5","5","10","5","1") = "9"
    & skf18("3","6","5","5","10","6","1") = "9"
    & skf18("3","6","5","5","10","7","1") = "9"
    & skf18("3","6","5","5","10","8","1") = "9"
    & skf18("3","6","5","5","10","9","1") = "9"
    & skf18("3","6","5","5","10","10","1") = "9"
    & skf18("3","6","5","6","1","1","1") = "5"
    & skf18("3","6","5","6","1","2","1") = "5"
    & skf18("3","6","5","6","1","3","1") = "5"
    & skf18("3","6","5","6","1","4","1") = "5"
    & skf18("3","6","5","6","1","5","1") = "5"
    & skf18("3","6","5","6","1","6","1") = "5"
    & skf18("3","6","5","6","1","7","1") = "6"
    & skf18("3","6","5","6","1","8","1") = "7"
    & skf18("3","6","5","6","1","9","1") = "8"
    & skf18("3","6","5","6","1","10","1") = "9"
    & skf18("3","6","5","6","2","1","1") = "5"
    & skf18("3","6","5","6","2","2","1") = "5"
    & skf18("3","6","5","6","2","3","1") = "5"
    & skf18("3","6","5","6","2","4","1") = "5"
    & skf18("3","6","5","6","2","5","1") = "5"
    & skf18("3","6","5","6","2","6","1") = "5"
    & skf18("3","6","5","6","2","7","1") = "6"
    & skf18("3","6","5","6","2","8","1") = "7"
    & skf18("3","6","5","6","2","9","1") = "8"
    & skf18("3","6","5","6","2","10","1") = "9"
    & skf18("3","6","5","6","3","1","1") = "5"
    & skf18("3","6","5","6","3","2","1") = "5"
    & skf18("3","6","5","6","3","3","1") = "5"
    & skf18("3","6","5","6","3","4","1") = "5"
    & skf18("3","6","5","6","3","5","1") = "5"
    & skf18("3","6","5","6","3","6","1") = "5"
    & skf18("3","6","5","6","3","7","1") = "6"
    & skf18("3","6","5","6","3","8","1") = "7"
    & skf18("3","6","5","6","3","9","1") = "8"
    & skf18("3","6","5","6","3","10","1") = "9"
    & skf18("3","6","5","6","4","1","1") = "5"
    & skf18("3","6","5","6","4","2","1") = "5"
    & skf18("3","6","5","6","4","3","1") = "5"
    & skf18("3","6","5","6","4","4","1") = "5"
    & skf18("3","6","5","6","4","5","1") = "5"
    & skf18("3","6","5","6","4","6","1") = "5"
    & skf18("3","6","5","6","4","7","1") = "6"
    & skf18("3","6","5","6","4","8","1") = "7"
    & skf18("3","6","5","6","4","9","1") = "8"
    & skf18("3","6","5","6","4","10","1") = "9"
    & skf18("3","6","5","6","5","1","1") = "5"
    & skf18("3","6","5","6","5","2","1") = "5"
    & skf18("3","6","5","6","5","3","1") = "5"
    & skf18("3","6","5","6","5","4","1") = "5"
    & skf18("3","6","5","6","5","5","1") = "5"
    & skf18("3","6","5","6","5","6","1") = "5"
    & skf18("3","6","5","6","5","7","1") = "6"
    & skf18("3","6","5","6","5","8","1") = "7"
    & skf18("3","6","5","6","5","9","1") = "8"
    & skf18("3","6","5","6","5","10","1") = "9"
    & skf18("3","6","5","6","6","1","1") = "5"
    & skf18("3","6","5","6","6","2","1") = "5"
    & skf18("3","6","5","6","6","3","1") = "5"
    & skf18("3","6","5","6","6","4","1") = "5"
    & skf18("3","6","5","6","6","5","1") = "5"
    & skf18("3","6","5","6","6","6","1") = "5"
    & skf18("3","6","5","6","6","7","1") = "6"
    & skf18("3","6","5","6","6","8","1") = "7"
    & skf18("3","6","5","6","6","9","1") = "8"
    & skf18("3","6","5","6","6","10","1") = "9"
    & skf18("3","6","5","6","7","1","1") = "6"
    & skf18("3","6","5","6","7","2","1") = "6"
    & skf18("3","6","5","6","7","3","1") = "6"
    & skf18("3","6","5","6","7","4","1") = "6"
    & skf18("3","6","5","6","7","5","1") = "6"
    & skf18("3","6","5","6","7","6","1") = "6"
    & skf18("3","6","5","6","7","7","1") = "6"
    & skf18("3","6","5","6","7","8","1") = "7"
    & skf18("3","6","5","6","7","9","1") = "8"
    & skf18("3","6","5","6","7","10","1") = "9"
    & skf18("3","6","5","6","8","1","1") = "7"
    & skf18("3","6","5","6","8","2","1") = "7"
    & skf18("3","6","5","6","8","3","1") = "7"
    & skf18("3","6","5","6","8","4","1") = "7"
    & skf18("3","6","5","6","8","5","1") = "7"
    & skf18("3","6","5","6","8","6","1") = "7"
    & skf18("3","6","5","6","8","7","1") = "7"
    & skf18("3","6","5","6","8","8","1") = "7"
    & skf18("3","6","5","6","8","9","1") = "8"
    & skf18("3","6","5","6","8","10","1") = "9"
    & skf18("3","6","5","6","9","1","1") = "8"
    & skf18("3","6","5","6","9","2","1") = "8"
    & skf18("3","6","5","6","9","3","1") = "8"
    & skf18("3","6","5","6","9","4","1") = "8"
    & skf18("3","6","5","6","9","5","1") = "8"
    & skf18("3","6","5","6","9","6","1") = "8"
    & skf18("3","6","5","6","9","7","1") = "8"
    & skf18("3","6","5","6","9","8","1") = "8"
    & skf18("3","6","5","6","9","9","1") = "8"
    & skf18("3","6","5","6","9","10","1") = "9"
    & skf18("3","6","5","6","10","1","1") = "9"
    & skf18("3","6","5","6","10","2","1") = "9"
    & skf18("3","6","5","6","10","3","1") = "9"
    & skf18("3","6","5","6","10","4","1") = "9"
    & skf18("3","6","5","6","10","5","1") = "9"
    & skf18("3","6","5","6","10","6","1") = "9"
    & skf18("3","6","5","6","10","7","1") = "9"
    & skf18("3","6","5","6","10","8","1") = "9"
    & skf18("3","6","5","6","10","9","1") = "9"
    & skf18("3","6","5","6","10","10","1") = "9"
    & skf18("3","6","5","7","1","1","1") = "6"
    & skf18("3","6","5","7","1","2","1") = "6"
    & skf18("3","6","5","7","1","3","1") = "6"
    & skf18("3","6","5","7","1","4","1") = "6"
    & skf18("3","6","5","7","1","5","1") = "6"
    & skf18("3","6","5","7","1","6","1") = "6"
    & skf18("3","6","5","7","1","7","1") = "6"
    & skf18("3","6","5","7","1","8","1") = "7"
    & skf18("3","6","5","7","1","9","1") = "8"
    & skf18("3","6","5","7","1","10","1") = "9"
    & skf18("3","6","5","7","2","1","1") = "6"
    & skf18("3","6","5","7","2","2","1") = "6"
    & skf18("3","6","5","7","2","3","1") = "6"
    & skf18("3","6","5","7","2","4","1") = "6"
    & skf18("3","6","5","7","2","5","1") = "6"
    & skf18("3","6","5","7","2","6","1") = "6"
    & skf18("3","6","5","7","2","7","1") = "6"
    & skf18("3","6","5","7","2","8","1") = "7"
    & skf18("3","6","5","7","2","9","1") = "8"
    & skf18("3","6","5","7","2","10","1") = "9"
    & skf18("3","6","5","7","3","1","1") = "6"
    & skf18("3","6","5","7","3","2","1") = "6"
    & skf18("3","6","5","7","3","3","1") = "6"
    & skf18("3","6","5","7","3","4","1") = "6"
    & skf18("3","6","5","7","3","5","1") = "6"
    & skf18("3","6","5","7","3","6","1") = "6"
    & skf18("3","6","5","7","3","7","1") = "6"
    & skf18("3","6","5","7","3","8","1") = "7"
    & skf18("3","6","5","7","3","9","1") = "8"
    & skf18("3","6","5","7","3","10","1") = "9"
    & skf18("3","6","5","7","4","1","1") = "6"
    & skf18("3","6","5","7","4","2","1") = "6"
    & skf18("3","6","5","7","4","3","1") = "6"
    & skf18("3","6","5","7","4","4","1") = "6"
    & skf18("3","6","5","7","4","5","1") = "6"
    & skf18("3","6","5","7","4","6","1") = "6"
    & skf18("3","6","5","7","4","7","1") = "6"
    & skf18("3","6","5","7","4","8","1") = "7"
    & skf18("3","6","5","7","4","9","1") = "8"
    & skf18("3","6","5","7","4","10","1") = "9"
    & skf18("3","6","5","7","5","1","1") = "6"
    & skf18("3","6","5","7","5","2","1") = "6"
    & skf18("3","6","5","7","5","3","1") = "6"
    & skf18("3","6","5","7","5","4","1") = "6"
    & skf18("3","6","5","7","5","5","1") = "6"
    & skf18("3","6","5","7","5","6","1") = "6"
    & skf18("3","6","5","7","5","7","1") = "6"
    & skf18("3","6","5","7","5","8","1") = "7"
    & skf18("3","6","5","7","5","9","1") = "8"
    & skf18("3","6","5","7","5","10","1") = "9"
    & skf18("3","6","5","7","6","1","1") = "6"
    & skf18("3","6","5","7","6","2","1") = "6"
    & skf18("3","6","5","7","6","3","1") = "6"
    & skf18("3","6","5","7","6","4","1") = "6"
    & skf18("3","6","5","7","6","5","1") = "6"
    & skf18("3","6","5","7","6","6","1") = "6"
    & skf18("3","6","5","7","6","7","1") = "6"
    & skf18("3","6","5","7","6","8","1") = "7"
    & skf18("3","6","5","7","6","9","1") = "8"
    & skf18("3","6","5","7","6","10","1") = "9"
    & skf18("3","6","5","7","7","1","1") = "6"
    & skf18("3","6","5","7","7","2","1") = "6"
    & skf18("3","6","5","7","7","3","1") = "6"
    & skf18("3","6","5","7","7","4","1") = "6"
    & skf18("3","6","5","7","7","5","1") = "6"
    & skf18("3","6","5","7","7","6","1") = "6"
    & skf18("3","6","5","7","7","7","1") = "6"
    & skf18("3","6","5","7","7","8","1") = "7"
    & skf18("3","6","5","7","7","9","1") = "8"
    & skf18("3","6","5","7","7","10","1") = "9"
    & skf18("3","6","5","7","8","1","1") = "7"
    & skf18("3","6","5","7","8","2","1") = "7"
    & skf18("3","6","5","7","8","3","1") = "7"
    & skf18("3","6","5","7","8","4","1") = "7"
    & skf18("3","6","5","7","8","5","1") = "7"
    & skf18("3","6","5","7","8","6","1") = "7"
    & skf18("3","6","5","7","8","7","1") = "7"
    & skf18("3","6","5","7","8","8","1") = "7"
    & skf18("3","6","5","7","8","9","1") = "8"
    & skf18("3","6","5","7","8","10","1") = "9"
    & skf18("3","6","5","7","9","1","1") = "8"
    & skf18("3","6","5","7","9","2","1") = "8"
    & skf18("3","6","5","7","9","3","1") = "8"
    & skf18("3","6","5","7","9","4","1") = "8"
    & skf18("3","6","5","7","9","5","1") = "8"
    & skf18("3","6","5","7","9","6","1") = "8"
    & skf18("3","6","5","7","9","7","1") = "8"
    & skf18("3","6","5","7","9","8","1") = "8"
    & skf18("3","6","5","7","9","9","1") = "8"
    & skf18("3","6","5","7","9","10","1") = "9"
    & skf18("3","6","5","7","10","1","1") = "9"
    & skf18("3","6","5","7","10","2","1") = "9"
    & skf18("3","6","5","7","10","3","1") = "9"
    & skf18("3","6","5","7","10","4","1") = "9"
    & skf18("3","6","5","7","10","5","1") = "9"
    & skf18("3","6","5","7","10","6","1") = "9"
    & skf18("3","6","5","7","10","7","1") = "9"
    & skf18("3","6","5","7","10","8","1") = "9"
    & skf18("3","6","5","7","10","9","1") = "9"
    & skf18("3","6","5","7","10","10","1") = "9"
    & skf18("3","6","5","8","1","1","1") = "7"
    & skf18("3","6","5","8","1","2","1") = "7"
    & skf18("3","6","5","8","1","3","1") = "7"
    & skf18("3","6","5","8","1","4","1") = "7"
    & skf18("3","6","5","8","1","5","1") = "7"
    & skf18("3","6","5","8","1","6","1") = "7"
    & skf18("3","6","5","8","1","7","1") = "7"
    & skf18("3","6","5","8","1","8","1") = "7"
    & skf18("3","6","5","8","1","9","1") = "8"
    & skf18("3","6","5","8","1","10","1") = "9"
    & skf18("3","6","5","8","2","1","1") = "7"
    & skf18("3","6","5","8","2","2","1") = "7"
    & skf18("3","6","5","8","2","3","1") = "7"
    & skf18("3","6","5","8","2","4","1") = "7"
    & skf18("3","6","5","8","2","5","1") = "7"
    & skf18("3","6","5","8","2","6","1") = "7"
    & skf18("3","6","5","8","2","7","1") = "7"
    & skf18("3","6","5","8","2","8","1") = "7"
    & skf18("3","6","5","8","2","9","1") = "8"
    & skf18("3","6","5","8","2","10","1") = "9"
    & skf18("3","6","5","8","3","1","1") = "7"
    & skf18("3","6","5","8","3","2","1") = "7"
    & skf18("3","6","5","8","3","3","1") = "7"
    & skf18("3","6","5","8","3","4","1") = "7"
    & skf18("3","6","5","8","3","5","1") = "7"
    & skf18("3","6","5","8","3","6","1") = "7"
    & skf18("3","6","5","8","3","7","1") = "7"
    & skf18("3","6","5","8","3","8","1") = "7"
    & skf18("3","6","5","8","3","9","1") = "8"
    & skf18("3","6","5","8","3","10","1") = "9"
    & skf18("3","6","5","8","4","1","1") = "7"
    & skf18("3","6","5","8","4","2","1") = "7"
    & skf18("3","6","5","8","4","3","1") = "7"
    & skf18("3","6","5","8","4","4","1") = "7"
    & skf18("3","6","5","8","4","5","1") = "7"
    & skf18("3","6","5","8","4","6","1") = "7"
    & skf18("3","6","5","8","4","7","1") = "7"
    & skf18("3","6","5","8","4","8","1") = "7"
    & skf18("3","6","5","8","4","9","1") = "8"
    & skf18("3","6","5","8","4","10","1") = "9"
    & skf18("3","6","5","8","5","1","1") = "7"
    & skf18("3","6","5","8","5","2","1") = "7"
    & skf18("3","6","5","8","5","3","1") = "7"
    & skf18("3","6","5","8","5","4","1") = "7"
    & skf18("3","6","5","8","5","5","1") = "7"
    & skf18("3","6","5","8","5","6","1") = "7"
    & skf18("3","6","5","8","5","7","1") = "7"
    & skf18("3","6","5","8","5","8","1") = "7"
    & skf18("3","6","5","8","5","9","1") = "8"
    & skf18("3","6","5","8","5","10","1") = "9"
    & skf18("3","6","5","8","6","1","1") = "7"
    & skf18("3","6","5","8","6","2","1") = "7"
    & skf18("3","6","5","8","6","3","1") = "7"
    & skf18("3","6","5","8","6","4","1") = "7"
    & skf18("3","6","5","8","6","5","1") = "7"
    & skf18("3","6","5","8","6","6","1") = "7"
    & skf18("3","6","5","8","6","7","1") = "7"
    & skf18("3","6","5","8","6","8","1") = "7"
    & skf18("3","6","5","8","6","9","1") = "8"
    & skf18("3","6","5","8","6","10","1") = "9"
    & skf18("3","6","5","8","7","1","1") = "7"
    & skf18("3","6","5","8","7","2","1") = "7"
    & skf18("3","6","5","8","7","3","1") = "7"
    & skf18("3","6","5","8","7","4","1") = "7"
    & skf18("3","6","5","8","7","5","1") = "7"
    & skf18("3","6","5","8","7","6","1") = "7"
    & skf18("3","6","5","8","7","7","1") = "7"
    & skf18("3","6","5","8","7","8","1") = "7"
    & skf18("3","6","5","8","7","9","1") = "8"
    & skf18("3","6","5","8","7","10","1") = "9"
    & skf18("3","6","5","8","8","1","1") = "7"
    & skf18("3","6","5","8","8","2","1") = "7"
    & skf18("3","6","5","8","8","3","1") = "7"
    & skf18("3","6","5","8","8","4","1") = "7"
    & skf18("3","6","5","8","8","5","1") = "7"
    & skf18("3","6","5","8","8","6","1") = "7"
    & skf18("3","6","5","8","8","7","1") = "7"
    & skf18("3","6","5","8","8","8","1") = "7"
    & skf18("3","6","5","8","8","9","1") = "8"
    & skf18("3","6","5","8","8","10","1") = "9"
    & skf18("3","6","5","8","9","1","1") = "8"
    & skf18("3","6","5","8","9","2","1") = "8"
    & skf18("3","6","5","8","9","3","1") = "8"
    & skf18("3","6","5","8","9","4","1") = "8"
    & skf18("3","6","5","8","9","5","1") = "8"
    & skf18("3","6","5","8","9","6","1") = "8"
    & skf18("3","6","5","8","9","7","1") = "8"
    & skf18("3","6","5","8","9","8","1") = "8"
    & skf18("3","6","5","8","9","9","1") = "8"
    & skf18("3","6","5","8","9","10","1") = "9"
    & skf18("3","6","5","8","10","1","1") = "9"
    & skf18("3","6","5","8","10","2","1") = "9"
    & skf18("3","6","5","8","10","3","1") = "9"
    & skf18("3","6","5","8","10","4","1") = "9"
    & skf18("3","6","5","8","10","5","1") = "9"
    & skf18("3","6","5","8","10","6","1") = "9"
    & skf18("3","6","5","8","10","7","1") = "9"
    & skf18("3","6","5","8","10","8","1") = "9"
    & skf18("3","6","5","8","10","9","1") = "9"
    & skf18("3","6","5","8","10","10","1") = "9"
    & skf18("3","6","5","9","1","1","1") = "8"
    & skf18("3","6","5","9","1","2","1") = "8"
    & skf18("3","6","5","9","1","3","1") = "8"
    & skf18("3","6","5","9","1","4","1") = "8"
    & skf18("3","6","5","9","1","5","1") = "8"
    & skf18("3","6","5","9","1","6","1") = "8"
    & skf18("3","6","5","9","1","7","1") = "8"
    & skf18("3","6","5","9","1","8","1") = "8"
    & skf18("3","6","5","9","1","9","1") = "8"
    & skf18("3","6","5","9","1","10","1") = "9"
    & skf18("3","6","5","9","2","1","1") = "8"
    & skf18("3","6","5","9","2","2","1") = "8"
    & skf18("3","6","5","9","2","3","1") = "8"
    & skf18("3","6","5","9","2","4","1") = "8"
    & skf18("3","6","5","9","2","5","1") = "8"
    & skf18("3","6","5","9","2","6","1") = "8"
    & skf18("3","6","5","9","2","7","1") = "8"
    & skf18("3","6","5","9","2","8","1") = "8"
    & skf18("3","6","5","9","2","9","1") = "8"
    & skf18("3","6","5","9","2","10","1") = "9"
    & skf18("3","6","5","9","3","1","1") = "8"
    & skf18("3","6","5","9","3","2","1") = "8"
    & skf18("3","6","5","9","3","3","1") = "8"
    & skf18("3","6","5","9","3","4","1") = "8"
    & skf18("3","6","5","9","3","5","1") = "8"
    & skf18("3","6","5","9","3","6","1") = "8"
    & skf18("3","6","5","9","3","7","1") = "8"
    & skf18("3","6","5","9","3","8","1") = "8"
    & skf18("3","6","5","9","3","9","1") = "8"
    & skf18("3","6","5","9","3","10","1") = "9"
    & skf18("3","6","5","9","4","1","1") = "8"
    & skf18("3","6","5","9","4","2","1") = "8"
    & skf18("3","6","5","9","4","3","1") = "8"
    & skf18("3","6","5","9","4","4","1") = "8"
    & skf18("3","6","5","9","4","5","1") = "8"
    & skf18("3","6","5","9","4","6","1") = "8"
    & skf18("3","6","5","9","4","7","1") = "8"
    & skf18("3","6","5","9","4","8","1") = "8"
    & skf18("3","6","5","9","4","9","1") = "8"
    & skf18("3","6","5","9","4","10","1") = "9"
    & skf18("3","6","5","9","5","1","1") = "8"
    & skf18("3","6","5","9","5","2","1") = "8"
    & skf18("3","6","5","9","5","3","1") = "8"
    & skf18("3","6","5","9","5","4","1") = "8"
    & skf18("3","6","5","9","5","5","1") = "8"
    & skf18("3","6","5","9","5","6","1") = "8"
    & skf18("3","6","5","9","5","7","1") = "8"
    & skf18("3","6","5","9","5","8","1") = "8"
    & skf18("3","6","5","9","5","9","1") = "8"
    & skf18("3","6","5","9","5","10","1") = "9"
    & skf18("3","6","5","9","6","1","1") = "8"
    & skf18("3","6","5","9","6","2","1") = "8"
    & skf18("3","6","5","9","6","3","1") = "8"
    & skf18("3","6","5","9","6","4","1") = "8"
    & skf18("3","6","5","9","6","5","1") = "8"
    & skf18("3","6","5","9","6","6","1") = "8"
    & skf18("3","6","5","9","6","7","1") = "8"
    & skf18("3","6","5","9","6","8","1") = "8"
    & skf18("3","6","5","9","6","9","1") = "8"
    & skf18("3","6","5","9","6","10","1") = "9"
    & skf18("3","6","5","9","7","1","1") = "8"
    & skf18("3","6","5","9","7","2","1") = "8"
    & skf18("3","6","5","9","7","3","1") = "8"
    & skf18("3","6","5","9","7","4","1") = "8"
    & skf18("3","6","5","9","7","5","1") = "8"
    & skf18("3","6","5","9","7","6","1") = "8"
    & skf18("3","6","5","9","7","7","1") = "8"
    & skf18("3","6","5","9","7","8","1") = "8"
    & skf18("3","6","5","9","7","9","1") = "8"
    & skf18("3","6","5","9","7","10","1") = "9"
    & skf18("3","6","5","9","8","1","1") = "8"
    & skf18("3","6","5","9","8","2","1") = "8"
    & skf18("3","6","5","9","8","3","1") = "8"
    & skf18("3","6","5","9","8","4","1") = "8"
    & skf18("3","6","5","9","8","5","1") = "8"
    & skf18("3","6","5","9","8","6","1") = "8"
    & skf18("3","6","5","9","8","7","1") = "8"
    & skf18("3","6","5","9","8","8","1") = "8"
    & skf18("3","6","5","9","8","9","1") = "8"
    & skf18("3","6","5","9","8","10","1") = "9"
    & skf18("3","6","5","9","9","1","1") = "8"
    & skf18("3","6","5","9","9","2","1") = "8"
    & skf18("3","6","5","9","9","3","1") = "8"
    & skf18("3","6","5","9","9","4","1") = "8"
    & skf18("3","6","5","9","9","5","1") = "8"
    & skf18("3","6","5","9","9","6","1") = "8"
    & skf18("3","6","5","9","9","7","1") = "8"
    & skf18("3","6","5","9","9","8","1") = "8"
    & skf18("3","6","5","9","9","9","1") = "8"
    & skf18("3","6","5","9","9","10","1") = "9"
    & skf18("3","6","5","9","10","1","1") = "9"
    & skf18("3","6","5","9","10","2","1") = "9"
    & skf18("3","6","5","9","10","3","1") = "9"
    & skf18("3","6","5","9","10","4","1") = "9"
    & skf18("3","6","5","9","10","5","1") = "9"
    & skf18("3","6","5","9","10","6","1") = "9"
    & skf18("3","6","5","9","10","7","1") = "9"
    & skf18("3","6","5","9","10","8","1") = "9"
    & skf18("3","6","5","9","10","9","1") = "9"
    & skf18("3","6","5","9","10","10","1") = "9"
    & skf18("3","6","5","10","1","1","1") = "9"
    & skf18("3","6","5","10","1","2","1") = "9"
    & skf18("3","6","5","10","1","3","1") = "9"
    & skf18("3","6","5","10","1","4","1") = "9"
    & skf18("3","6","5","10","1","5","1") = "9"
    & skf18("3","6","5","10","1","6","1") = "9"
    & skf18("3","6","5","10","1","7","1") = "9"
    & skf18("3","6","5","10","1","8","1") = "9"
    & skf18("3","6","5","10","1","9","1") = "9"
    & skf18("3","6","5","10","1","10","1") = "9"
    & skf18("3","6","5","10","2","1","1") = "9"
    & skf18("3","6","5","10","2","2","1") = "9"
    & skf18("3","6","5","10","2","3","1") = "9"
    & skf18("3","6","5","10","2","4","1") = "9"
    & skf18("3","6","5","10","2","5","1") = "9"
    & skf18("3","6","5","10","2","6","1") = "9"
    & skf18("3","6","5","10","2","7","1") = "9"
    & skf18("3","6","5","10","2","8","1") = "9"
    & skf18("3","6","5","10","2","9","1") = "9"
    & skf18("3","6","5","10","2","10","1") = "9"
    & skf18("3","6","5","10","3","1","1") = "9"
    & skf18("3","6","5","10","3","2","1") = "9"
    & skf18("3","6","5","10","3","3","1") = "9"
    & skf18("3","6","5","10","3","4","1") = "9"
    & skf18("3","6","5","10","3","5","1") = "9"
    & skf18("3","6","5","10","3","6","1") = "9"
    & skf18("3","6","5","10","3","7","1") = "9"
    & skf18("3","6","5","10","3","8","1") = "9"
    & skf18("3","6","5","10","3","9","1") = "9"
    & skf18("3","6","5","10","3","10","1") = "9"
    & skf18("3","6","5","10","4","1","1") = "9"
    & skf18("3","6","5","10","4","2","1") = "9"
    & skf18("3","6","5","10","4","3","1") = "9"
    & skf18("3","6","5","10","4","4","1") = "9"
    & skf18("3","6","5","10","4","5","1") = "9"
    & skf18("3","6","5","10","4","6","1") = "9"
    & skf18("3","6","5","10","4","7","1") = "9"
    & skf18("3","6","5","10","4","8","1") = "9"
    & skf18("3","6","5","10","4","9","1") = "9"
    & skf18("3","6","5","10","4","10","1") = "9"
    & skf18("3","6","5","10","5","1","1") = "9"
    & skf18("3","6","5","10","5","2","1") = "9"
    & skf18("3","6","5","10","5","3","1") = "9"
    & skf18("3","6","5","10","5","4","1") = "9"
    & skf18("3","6","5","10","5","5","1") = "9"
    & skf18("3","6","5","10","5","6","1") = "9"
    & skf18("3","6","5","10","5","7","1") = "9"
    & skf18("3","6","5","10","5","8","1") = "9"
    & skf18("3","6","5","10","5","9","1") = "9"
    & skf18("3","6","5","10","5","10","1") = "9"
    & skf18("3","6","5","10","6","1","1") = "9"
    & skf18("3","6","5","10","6","2","1") = "9"
    & skf18("3","6","5","10","6","3","1") = "9"
    & skf18("3","6","5","10","6","4","1") = "9"
    & skf18("3","6","5","10","6","5","1") = "9"
    & skf18("3","6","5","10","6","6","1") = "9"
    & skf18("3","6","5","10","6","7","1") = "9"
    & skf18("3","6","5","10","6","8","1") = "9"
    & skf18("3","6","5","10","6","9","1") = "9"
    & skf18("3","6","5","10","6","10","1") = "9"
    & skf18("3","6","5","10","7","1","1") = "9"
    & skf18("3","6","5","10","7","2","1") = "9"
    & skf18("3","6","5","10","7","3","1") = "9"
    & skf18("3","6","5","10","7","4","1") = "9"
    & skf18("3","6","5","10","7","5","1") = "9"
    & skf18("3","6","5","10","7","6","1") = "9"
    & skf18("3","6","5","10","7","7","1") = "9"
    & skf18("3","6","5","10","7","8","1") = "9"
    & skf18("3","6","5","10","7","9","1") = "9"
    & skf18("3","6","5","10","7","10","1") = "9"
    & skf18("3","6","5","10","8","1","1") = "9"
    & skf18("3","6","5","10","8","2","1") = "9"
    & skf18("3","6","5","10","8","3","1") = "9"
    & skf18("3","6","5","10","8","4","1") = "9"
    & skf18("3","6","5","10","8","5","1") = "9"
    & skf18("3","6","5","10","8","6","1") = "9"
    & skf18("3","6","5","10","8","7","1") = "9"
    & skf18("3","6","5","10","8","8","1") = "9"
    & skf18("3","6","5","10","8","9","1") = "9"
    & skf18("3","6","5","10","8","10","1") = "9"
    & skf18("3","6","5","10","9","1","1") = "9"
    & skf18("3","6","5","10","9","2","1") = "9"
    & skf18("3","6","5","10","9","3","1") = "9"
    & skf18("3","6","5","10","9","4","1") = "9"
    & skf18("3","6","5","10","9","5","1") = "9"
    & skf18("3","6","5","10","9","6","1") = "9"
    & skf18("3","6","5","10","9","7","1") = "9"
    & skf18("3","6","5","10","9","8","1") = "9"
    & skf18("3","6","5","10","9","9","1") = "9"
    & skf18("3","6","5","10","9","10","1") = "9"
    & skf18("3","6","5","10","10","1","1") = "9"
    & skf18("3","6","5","10","10","2","1") = "9"
    & skf18("3","6","5","10","10","3","1") = "9"
    & skf18("3","6","5","10","10","4","1") = "9"
    & skf18("3","6","5","10","10","5","1") = "9"
    & skf18("3","6","5","10","10","6","1") = "9"
    & skf18("3","6","5","10","10","7","1") = "9"
    & skf18("3","6","5","10","10","8","1") = "9"
    & skf18("3","6","5","10","10","9","1") = "9"
    & skf18("3","6","5","10","10","10","1") = "9"
    & skf18("3","6","6","1","1","1","1") = "5"
    & skf18("3","6","6","1","1","2","1") = "5"
    & skf18("3","6","6","1","1","3","1") = "5"
    & skf18("3","6","6","1","1","4","1") = "5"
    & skf18("3","6","6","1","1","5","1") = "5"
    & skf18("3","6","6","1","1","6","1") = "5"
    & skf18("3","6","6","1","1","7","1") = "6"
    & skf18("3","6","6","1","1","8","1") = "7"
    & skf18("3","6","6","1","1","9","1") = "8"
    & skf18("3","6","6","1","1","10","1") = "9"
    & skf18("3","6","6","1","2","1","1") = "5"
    & skf18("3","6","6","1","2","2","1") = "5"
    & skf18("3","6","6","1","2","3","1") = "5"
    & skf18("3","6","6","1","2","4","1") = "5"
    & skf18("3","6","6","1","2","5","1") = "5"
    & skf18("3","6","6","1","2","6","1") = "5"
    & skf18("3","6","6","1","2","7","1") = "6"
    & skf18("3","6","6","1","2","8","1") = "7"
    & skf18("3","6","6","1","2","9","1") = "8"
    & skf18("3","6","6","1","2","10","1") = "9"
    & skf18("3","6","6","1","3","1","1") = "5"
    & skf18("3","6","6","1","3","2","1") = "5"
    & skf18("3","6","6","1","3","3","1") = "5"
    & skf18("3","6","6","1","3","4","1") = "5"
    & skf18("3","6","6","1","3","5","1") = "5"
    & skf18("3","6","6","1","3","6","1") = "5"
    & skf18("3","6","6","1","3","7","1") = "6"
    & skf18("3","6","6","1","3","8","1") = "7"
    & skf18("3","6","6","1","3","9","1") = "8"
    & skf18("3","6","6","1","3","10","1") = "9"
    & skf18("3","6","6","1","4","1","1") = "5"
    & skf18("3","6","6","1","4","2","1") = "5"
    & skf18("3","6","6","1","4","3","1") = "5"
    & skf18("3","6","6","1","4","4","1") = "5"
    & skf18("3","6","6","1","4","5","1") = "5"
    & skf18("3","6","6","1","4","6","1") = "5"
    & skf18("3","6","6","1","4","7","1") = "6"
    & skf18("3","6","6","1","4","8","1") = "7"
    & skf18("3","6","6","1","4","9","1") = "8"
    & skf18("3","6","6","1","4","10","1") = "9"
    & skf18("3","6","6","1","5","1","1") = "5"
    & skf18("3","6","6","1","5","2","1") = "5"
    & skf18("3","6","6","1","5","3","1") = "5"
    & skf18("3","6","6","1","5","4","1") = "5"
    & skf18("3","6","6","1","5","5","1") = "5"
    & skf18("3","6","6","1","5","6","1") = "5"
    & skf18("3","6","6","1","5","7","1") = "6"
    & skf18("3","6","6","1","5","8","1") = "7"
    & skf18("3","6","6","1","5","9","1") = "8"
    & skf18("3","6","6","1","5","10","1") = "9"
    & skf18("3","6","6","1","6","1","1") = "5"
    & skf18("3","6","6","1","6","2","1") = "5"
    & skf18("3","6","6","1","6","3","1") = "5"
    & skf18("3","6","6","1","6","4","1") = "5"
    & skf18("3","6","6","1","6","5","1") = "5"
    & skf18("3","6","6","1","6","6","1") = "5"
    & skf18("3","6","6","1","6","7","1") = "6"
    & skf18("3","6","6","1","6","8","1") = "7"
    & skf18("3","6","6","1","6","9","1") = "8"
    & skf18("3","6","6","1","6","10","1") = "9"
    & skf18("3","6","6","1","7","1","1") = "6"
    & skf18("3","6","6","1","7","2","1") = "6"
    & skf18("3","6","6","1","7","3","1") = "6"
    & skf18("3","6","6","1","7","4","1") = "6"
    & skf18("3","6","6","1","7","5","1") = "6"
    & skf18("3","6","6","1","7","6","1") = "6"
    & skf18("3","6","6","1","7","7","1") = "6"
    & skf18("3","6","6","1","7","8","1") = "7"
    & skf18("3","6","6","1","7","9","1") = "8"
    & skf18("3","6","6","1","7","10","1") = "9"
    & skf18("3","6","6","1","8","1","1") = "7"
    & skf18("3","6","6","1","8","2","1") = "7"
    & skf18("3","6","6","1","8","3","1") = "7"
    & skf18("3","6","6","1","8","4","1") = "7"
    & skf18("3","6","6","1","8","5","1") = "7"
    & skf18("3","6","6","1","8","6","1") = "7"
    & skf18("3","6","6","1","8","7","1") = "7"
    & skf18("3","6","6","1","8","8","1") = "7"
    & skf18("3","6","6","1","8","9","1") = "8"
    & skf18("3","6","6","1","8","10","1") = "9"
    & skf18("3","6","6","1","9","1","1") = "8"
    & skf18("3","6","6","1","9","2","1") = "8"
    & skf18("3","6","6","1","9","3","1") = "8"
    & skf18("3","6","6","1","9","4","1") = "8"
    & skf18("3","6","6","1","9","5","1") = "8"
    & skf18("3","6","6","1","9","6","1") = "8"
    & skf18("3","6","6","1","9","7","1") = "8"
    & skf18("3","6","6","1","9","8","1") = "8"
    & skf18("3","6","6","1","9","9","1") = "8"
    & skf18("3","6","6","1","9","10","1") = "9"
    & skf18("3","6","6","1","10","1","1") = "9"
    & skf18("3","6","6","1","10","2","1") = "9"
    & skf18("3","6","6","1","10","3","1") = "9"
    & skf18("3","6","6","1","10","4","1") = "9"
    & skf18("3","6","6","1","10","5","1") = "9"
    & skf18("3","6","6","1","10","6","1") = "9"
    & skf18("3","6","6","1","10","7","1") = "9"
    & skf18("3","6","6","1","10","8","1") = "9"
    & skf18("3","6","6","1","10","9","1") = "9"
    & skf18("3","6","6","1","10","10","1") = "9"
    & skf18("3","6","6","2","1","1","1") = "5"
    & skf18("3","6","6","2","1","2","1") = "5"
    & skf18("3","6","6","2","1","3","1") = "5"
    & skf18("3","6","6","2","1","4","1") = "5"
    & skf18("3","6","6","2","1","5","1") = "5"
    & skf18("3","6","6","2","1","6","1") = "5"
    & skf18("3","6","6","2","1","7","1") = "6"
    & skf18("3","6","6","2","1","8","1") = "7"
    & skf18("3","6","6","2","1","9","1") = "8"
    & skf18("3","6","6","2","1","10","1") = "9"
    & skf18("3","6","6","2","2","1","1") = "5"
    & skf18("3","6","6","2","2","2","1") = "5"
    & skf18("3","6","6","2","2","3","1") = "5"
    & skf18("3","6","6","2","2","4","1") = "5"
    & skf18("3","6","6","2","2","5","1") = "5"
    & skf18("3","6","6","2","2","6","1") = "5"
    & skf18("3","6","6","2","2","7","1") = "6"
    & skf18("3","6","6","2","2","8","1") = "7"
    & skf18("3","6","6","2","2","9","1") = "8"
    & skf18("3","6","6","2","2","10","1") = "9"
    & skf18("3","6","6","2","3","1","1") = "5"
    & skf18("3","6","6","2","3","2","1") = "5"
    & skf18("3","6","6","2","3","3","1") = "5"
    & skf18("3","6","6","2","3","4","1") = "5"
    & skf18("3","6","6","2","3","5","1") = "5"
    & skf18("3","6","6","2","3","6","1") = "5"
    & skf18("3","6","6","2","3","7","1") = "6"
    & skf18("3","6","6","2","3","8","1") = "7"
    & skf18("3","6","6","2","3","9","1") = "8"
    & skf18("3","6","6","2","3","10","1") = "9"
    & skf18("3","6","6","2","4","1","1") = "5"
    & skf18("3","6","6","2","4","2","1") = "5"
    & skf18("3","6","6","2","4","3","1") = "5"
    & skf18("3","6","6","2","4","4","1") = "5"
    & skf18("3","6","6","2","4","5","1") = "5"
    & skf18("3","6","6","2","4","6","1") = "5"
    & skf18("3","6","6","2","4","7","1") = "6"
    & skf18("3","6","6","2","4","8","1") = "7"
    & skf18("3","6","6","2","4","9","1") = "8"
    & skf18("3","6","6","2","4","10","1") = "9"
    & skf18("3","6","6","2","5","1","1") = "5"
    & skf18("3","6","6","2","5","2","1") = "5"
    & skf18("3","6","6","2","5","3","1") = "5"
    & skf18("3","6","6","2","5","4","1") = "5"
    & skf18("3","6","6","2","5","5","1") = "5"
    & skf18("3","6","6","2","5","6","1") = "5"
    & skf18("3","6","6","2","5","7","1") = "6"
    & skf18("3","6","6","2","5","8","1") = "7"
    & skf18("3","6","6","2","5","9","1") = "8"
    & skf18("3","6","6","2","5","10","1") = "9"
    & skf18("3","6","6","2","6","1","1") = "5"
    & skf18("3","6","6","2","6","2","1") = "5"
    & skf18("3","6","6","2","6","3","1") = "5"
    & skf18("3","6","6","2","6","4","1") = "5"
    & skf18("3","6","6","2","6","5","1") = "5"
    & skf18("3","6","6","2","6","6","1") = "5"
    & skf18("3","6","6","2","6","7","1") = "6"
    & skf18("3","6","6","2","6","8","1") = "7"
    & skf18("3","6","6","2","6","9","1") = "8"
    & skf18("3","6","6","2","6","10","1") = "9"
    & skf18("3","6","6","2","7","1","1") = "6"
    & skf18("3","6","6","2","7","2","1") = "6"
    & skf18("3","6","6","2","7","3","1") = "6"
    & skf18("3","6","6","2","7","4","1") = "6"
    & skf18("3","6","6","2","7","5","1") = "6"
    & skf18("3","6","6","2","7","6","1") = "6"
    & skf18("3","6","6","2","7","7","1") = "6"
    & skf18("3","6","6","2","7","8","1") = "7"
    & skf18("3","6","6","2","7","9","1") = "8"
    & skf18("3","6","6","2","7","10","1") = "9"
    & skf18("3","6","6","2","8","1","1") = "7"
    & skf18("3","6","6","2","8","2","1") = "7"
    & skf18("3","6","6","2","8","3","1") = "7"
    & skf18("3","6","6","2","8","4","1") = "7"
    & skf18("3","6","6","2","8","5","1") = "7"
    & skf18("3","6","6","2","8","6","1") = "7"
    & skf18("3","6","6","2","8","7","1") = "7"
    & skf18("3","6","6","2","8","8","1") = "7"
    & skf18("3","6","6","2","8","9","1") = "8"
    & skf18("3","6","6","2","8","10","1") = "9"
    & skf18("3","6","6","2","9","1","1") = "8"
    & skf18("3","6","6","2","9","2","1") = "8"
    & skf18("3","6","6","2","9","3","1") = "8"
    & skf18("3","6","6","2","9","4","1") = "8"
    & skf18("3","6","6","2","9","5","1") = "8"
    & skf18("3","6","6","2","9","6","1") = "8"
    & skf18("3","6","6","2","9","7","1") = "8"
    & skf18("3","6","6","2","9","8","1") = "8"
    & skf18("3","6","6","2","9","9","1") = "8"
    & skf18("3","6","6","2","9","10","1") = "9"
    & skf18("3","6","6","2","10","1","1") = "9"
    & skf18("3","6","6","2","10","2","1") = "9"
    & skf18("3","6","6","2","10","3","1") = "9"
    & skf18("3","6","6","2","10","4","1") = "9"
    & skf18("3","6","6","2","10","5","1") = "9"
    & skf18("3","6","6","2","10","6","1") = "9"
    & skf18("3","6","6","2","10","7","1") = "9"
    & skf18("3","6","6","2","10","8","1") = "9"
    & skf18("3","6","6","2","10","9","1") = "9"
    & skf18("3","6","6","2","10","10","1") = "9"
    & skf18("3","6","6","3","1","1","1") = "5"
    & skf18("3","6","6","3","1","2","1") = "5"
    & skf18("3","6","6","3","1","3","1") = "5"
    & skf18("3","6","6","3","1","4","1") = "5"
    & skf18("3","6","6","3","1","5","1") = "5"
    & skf18("3","6","6","3","1","6","1") = "5"
    & skf18("3","6","6","3","1","7","1") = "6"
    & skf18("3","6","6","3","1","8","1") = "7"
    & skf18("3","6","6","3","1","9","1") = "8"
    & skf18("3","6","6","3","1","10","1") = "9"
    & skf18("3","6","6","3","2","1","1") = "5"
    & skf18("3","6","6","3","2","2","1") = "5"
    & skf18("3","6","6","3","2","3","1") = "5"
    & skf18("3","6","6","3","2","4","1") = "5"
    & skf18("3","6","6","3","2","5","1") = "5"
    & skf18("3","6","6","3","2","6","1") = "5"
    & skf18("3","6","6","3","2","7","1") = "6"
    & skf18("3","6","6","3","2","8","1") = "7"
    & skf18("3","6","6","3","2","9","1") = "8"
    & skf18("3","6","6","3","2","10","1") = "9"
    & skf18("3","6","6","3","3","1","1") = "5"
    & skf18("3","6","6","3","3","2","1") = "5"
    & skf18("3","6","6","3","3","3","1") = "5"
    & skf18("3","6","6","3","3","4","1") = "5"
    & skf18("3","6","6","3","3","5","1") = "5"
    & skf18("3","6","6","3","3","6","1") = "5"
    & skf18("3","6","6","3","3","7","1") = "6"
    & skf18("3","6","6","3","3","8","1") = "7"
    & skf18("3","6","6","3","3","9","1") = "8"
    & skf18("3","6","6","3","3","10","1") = "9"
    & skf18("3","6","6","3","4","1","1") = "5"
    & skf18("3","6","6","3","4","2","1") = "5"
    & skf18("3","6","6","3","4","3","1") = "5"
    & skf18("3","6","6","3","4","4","1") = "5"
    & skf18("3","6","6","3","4","5","1") = "5"
    & skf18("3","6","6","3","4","6","1") = "5"
    & skf18("3","6","6","3","4","7","1") = "6"
    & skf18("3","6","6","3","4","8","1") = "7"
    & skf18("3","6","6","3","4","9","1") = "8"
    & skf18("3","6","6","3","4","10","1") = "9"
    & skf18("3","6","6","3","5","1","1") = "5"
    & skf18("3","6","6","3","5","2","1") = "5"
    & skf18("3","6","6","3","5","3","1") = "5"
    & skf18("3","6","6","3","5","4","1") = "5"
    & skf18("3","6","6","3","5","5","1") = "5"
    & skf18("3","6","6","3","5","6","1") = "5"
    & skf18("3","6","6","3","5","7","1") = "6"
    & skf18("3","6","6","3","5","8","1") = "7"
    & skf18("3","6","6","3","5","9","1") = "8"
    & skf18("3","6","6","3","5","10","1") = "9"
    & skf18("3","6","6","3","6","1","1") = "5"
    & skf18("3","6","6","3","6","2","1") = "5"
    & skf18("3","6","6","3","6","3","1") = "5"
    & skf18("3","6","6","3","6","4","1") = "5"
    & skf18("3","6","6","3","6","5","1") = "5"
    & skf18("3","6","6","3","6","6","1") = "5"
    & skf18("3","6","6","3","6","7","1") = "6"
    & skf18("3","6","6","3","6","8","1") = "7"
    & skf18("3","6","6","3","6","9","1") = "8"
    & skf18("3","6","6","3","6","10","1") = "9"
    & skf18("3","6","6","3","7","1","1") = "6"
    & skf18("3","6","6","3","7","2","1") = "6"
    & skf18("3","6","6","3","7","3","1") = "6"
    & skf18("3","6","6","3","7","4","1") = "6"
    & skf18("3","6","6","3","7","5","1") = "6"
    & skf18("3","6","6","3","7","6","1") = "6"
    & skf18("3","6","6","3","7","7","1") = "6"
    & skf18("3","6","6","3","7","8","1") = "7"
    & skf18("3","6","6","3","7","9","1") = "8"
    & skf18("3","6","6","3","7","10","1") = "9"
    & skf18("3","6","6","3","8","1","1") = "7"
    & skf18("3","6","6","3","8","2","1") = "7"
    & skf18("3","6","6","3","8","3","1") = "7"
    & skf18("3","6","6","3","8","4","1") = "7"
    & skf18("3","6","6","3","8","5","1") = "7"
    & skf18("3","6","6","3","8","6","1") = "7"
    & skf18("3","6","6","3","8","7","1") = "7"
    & skf18("3","6","6","3","8","8","1") = "7"
    & skf18("3","6","6","3","8","9","1") = "8"
    & skf18("3","6","6","3","8","10","1") = "9"
    & skf18("3","6","6","3","9","1","1") = "8"
    & skf18("3","6","6","3","9","2","1") = "8"
    & skf18("3","6","6","3","9","3","1") = "8"
    & skf18("3","6","6","3","9","4","1") = "8"
    & skf18("3","6","6","3","9","5","1") = "8"
    & skf18("3","6","6","3","9","6","1") = "8"
    & skf18("3","6","6","3","9","7","1") = "8"
    & skf18("3","6","6","3","9","8","1") = "8"
    & skf18("3","6","6","3","9","9","1") = "8"
    & skf18("3","6","6","3","9","10","1") = "9"
    & skf18("3","6","6","3","10","1","1") = "9"
    & skf18("3","6","6","3","10","2","1") = "9"
    & skf18("3","6","6","3","10","3","1") = "9"
    & skf18("3","6","6","3","10","4","1") = "9"
    & skf18("3","6","6","3","10","5","1") = "9"
    & skf18("3","6","6","3","10","6","1") = "9"
    & skf18("3","6","6","3","10","7","1") = "9"
    & skf18("3","6","6","3","10","8","1") = "9"
    & skf18("3","6","6","3","10","9","1") = "9"
    & skf18("3","6","6","3","10","10","1") = "9"
    & skf18("3","6","6","4","1","1","1") = "5"
    & skf18("3","6","6","4","1","2","1") = "5"
    & skf18("3","6","6","4","1","3","1") = "5"
    & skf18("3","6","6","4","1","4","1") = "5"
    & skf18("3","6","6","4","1","5","1") = "5"
    & skf18("3","6","6","4","1","6","1") = "5"
    & skf18("3","6","6","4","1","7","1") = "6"
    & skf18("3","6","6","4","1","8","1") = "7"
    & skf18("3","6","6","4","1","9","1") = "8"
    & skf18("3","6","6","4","1","10","1") = "9"
    & skf18("3","6","6","4","2","1","1") = "5"
    & skf18("3","6","6","4","2","2","1") = "5"
    & skf18("3","6","6","4","2","3","1") = "5"
    & skf18("3","6","6","4","2","4","1") = "5"
    & skf18("3","6","6","4","2","5","1") = "5"
    & skf18("3","6","6","4","2","6","1") = "5"
    & skf18("3","6","6","4","2","7","1") = "6"
    & skf18("3","6","6","4","2","8","1") = "7"
    & skf18("3","6","6","4","2","9","1") = "8"
    & skf18("3","6","6","4","2","10","1") = "9"
    & skf18("3","6","6","4","3","1","1") = "5"
    & skf18("3","6","6","4","3","2","1") = "5"
    & skf18("3","6","6","4","3","3","1") = "5"
    & skf18("3","6","6","4","3","4","1") = "5"
    & skf18("3","6","6","4","3","5","1") = "5"
    & skf18("3","6","6","4","3","6","1") = "5"
    & skf18("3","6","6","4","3","7","1") = "6"
    & skf18("3","6","6","4","3","8","1") = "7"
    & skf18("3","6","6","4","3","9","1") = "8"
    & skf18("3","6","6","4","3","10","1") = "9"
    & skf18("3","6","6","4","4","1","1") = "5"
    & skf18("3","6","6","4","4","2","1") = "5"
    & skf18("3","6","6","4","4","3","1") = "5"
    & skf18("3","6","6","4","4","4","1") = "5"
    & skf18("3","6","6","4","4","5","1") = "5"
    & skf18("3","6","6","4","4","6","1") = "5"
    & skf18("3","6","6","4","4","7","1") = "6"
    & skf18("3","6","6","4","4","8","1") = "7"
    & skf18("3","6","6","4","4","9","1") = "8"
    & skf18("3","6","6","4","4","10","1") = "9"
    & skf18("3","6","6","4","5","1","1") = "5"
    & skf18("3","6","6","4","5","2","1") = "5"
    & skf18("3","6","6","4","5","3","1") = "5"
    & skf18("3","6","6","4","5","4","1") = "5"
    & skf18("3","6","6","4","5","5","1") = "5"
    & skf18("3","6","6","4","5","6","1") = "5"
    & skf18("3","6","6","4","5","7","1") = "6"
    & skf18("3","6","6","4","5","8","1") = "7"
    & skf18("3","6","6","4","5","9","1") = "8"
    & skf18("3","6","6","4","5","10","1") = "9"
    & skf18("3","6","6","4","6","1","1") = "5"
    & skf18("3","6","6","4","6","2","1") = "5"
    & skf18("3","6","6","4","6","3","1") = "5"
    & skf18("3","6","6","4","6","4","1") = "5"
    & skf18("3","6","6","4","6","5","1") = "5"
    & skf18("3","6","6","4","6","6","1") = "5"
    & skf18("3","6","6","4","6","7","1") = "6"
    & skf18("3","6","6","4","6","8","1") = "7"
    & skf18("3","6","6","4","6","9","1") = "8"
    & skf18("3","6","6","4","6","10","1") = "9"
    & skf18("3","6","6","4","7","1","1") = "6"
    & skf18("3","6","6","4","7","2","1") = "6"
    & skf18("3","6","6","4","7","3","1") = "6"
    & skf18("3","6","6","4","7","4","1") = "6"
    & skf18("3","6","6","4","7","5","1") = "6"
    & skf18("3","6","6","4","7","6","1") = "6"
    & skf18("3","6","6","4","7","7","1") = "6"
    & skf18("3","6","6","4","7","8","1") = "7"
    & skf18("3","6","6","4","7","9","1") = "8"
    & skf18("3","6","6","4","7","10","1") = "9"
    & skf18("3","6","6","4","8","1","1") = "7"
    & skf18("3","6","6","4","8","2","1") = "7"
    & skf18("3","6","6","4","8","3","1") = "7"
    & skf18("3","6","6","4","8","4","1") = "7"
    & skf18("3","6","6","4","8","5","1") = "7"
    & skf18("3","6","6","4","8","6","1") = "7"
    & skf18("3","6","6","4","8","7","1") = "7"
    & skf18("3","6","6","4","8","8","1") = "7"
    & skf18("3","6","6","4","8","9","1") = "8"
    & skf18("3","6","6","4","8","10","1") = "9"
    & skf18("3","6","6","4","9","1","1") = "8"
    & skf18("3","6","6","4","9","2","1") = "8"
    & skf18("3","6","6","4","9","3","1") = "8"
    & skf18("3","6","6","4","9","4","1") = "8"
    & skf18("3","6","6","4","9","5","1") = "8"
    & skf18("3","6","6","4","9","6","1") = "8"
    & skf18("3","6","6","4","9","7","1") = "8"
    & skf18("3","6","6","4","9","8","1") = "8"
    & skf18("3","6","6","4","9","9","1") = "8"
    & skf18("3","6","6","4","9","10","1") = "9"
    & skf18("3","6","6","4","10","1","1") = "9"
    & skf18("3","6","6","4","10","2","1") = "9"
    & skf18("3","6","6","4","10","3","1") = "9"
    & skf18("3","6","6","4","10","4","1") = "9"
    & skf18("3","6","6","4","10","5","1") = "9"
    & skf18("3","6","6","4","10","6","1") = "9"
    & skf18("3","6","6","4","10","7","1") = "9"
    & skf18("3","6","6","4","10","8","1") = "9"
    & skf18("3","6","6","4","10","9","1") = "9"
    & skf18("3","6","6","4","10","10","1") = "9"
    & skf18("3","6","6","5","1","1","1") = "5"
    & skf18("3","6","6","5","1","2","1") = "5"
    & skf18("3","6","6","5","1","3","1") = "5"
    & skf18("3","6","6","5","1","4","1") = "5"
    & skf18("3","6","6","5","1","5","1") = "5"
    & skf18("3","6","6","5","1","6","1") = "5"
    & skf18("3","6","6","5","1","7","1") = "6"
    & skf18("3","6","6","5","1","8","1") = "7"
    & skf18("3","6","6","5","1","9","1") = "8"
    & skf18("3","6","6","5","1","10","1") = "9"
    & skf18("3","6","6","5","2","1","1") = "5"
    & skf18("3","6","6","5","2","2","1") = "5"
    & skf18("3","6","6","5","2","3","1") = "5"
    & skf18("3","6","6","5","2","4","1") = "5"
    & skf18("3","6","6","5","2","5","1") = "5"
    & skf18("3","6","6","5","2","6","1") = "5"
    & skf18("3","6","6","5","2","7","1") = "6"
    & skf18("3","6","6","5","2","8","1") = "7"
    & skf18("3","6","6","5","2","9","1") = "8"
    & skf18("3","6","6","5","2","10","1") = "9"
    & skf18("3","6","6","5","3","1","1") = "5"
    & skf18("3","6","6","5","3","2","1") = "5"
    & skf18("3","6","6","5","3","3","1") = "5"
    & skf18("3","6","6","5","3","4","1") = "5"
    & skf18("3","6","6","5","3","5","1") = "5"
    & skf18("3","6","6","5","3","6","1") = "5"
    & skf18("3","6","6","5","3","7","1") = "6"
    & skf18("3","6","6","5","3","8","1") = "7"
    & skf18("3","6","6","5","3","9","1") = "8"
    & skf18("3","6","6","5","3","10","1") = "9"
    & skf18("3","6","6","5","4","1","1") = "5"
    & skf18("3","6","6","5","4","2","1") = "5"
    & skf18("3","6","6","5","4","3","1") = "5"
    & skf18("3","6","6","5","4","4","1") = "5"
    & skf18("3","6","6","5","4","5","1") = "5"
    & skf18("3","6","6","5","4","6","1") = "5"
    & skf18("3","6","6","5","4","7","1") = "6"
    & skf18("3","6","6","5","4","8","1") = "7"
    & skf18("3","6","6","5","4","9","1") = "8"
    & skf18("3","6","6","5","4","10","1") = "9"
    & skf18("3","6","6","5","5","1","1") = "5"
    & skf18("3","6","6","5","5","2","1") = "5"
    & skf18("3","6","6","5","5","3","1") = "5"
    & skf18("3","6","6","5","5","4","1") = "5"
    & skf18("3","6","6","5","5","5","1") = "5"
    & skf18("3","6","6","5","5","6","1") = "5"
    & skf18("3","6","6","5","5","7","1") = "6"
    & skf18("3","6","6","5","5","8","1") = "7"
    & skf18("3","6","6","5","5","9","1") = "8"
    & skf18("3","6","6","5","5","10","1") = "9"
    & skf18("3","6","6","5","6","1","1") = "5"
    & skf18("3","6","6","5","6","2","1") = "5"
    & skf18("3","6","6","5","6","3","1") = "5"
    & skf18("3","6","6","5","6","4","1") = "5"
    & skf18("3","6","6","5","6","5","1") = "5"
    & skf18("3","6","6","5","6","6","1") = "5"
    & skf18("3","6","6","5","6","7","1") = "6"
    & skf18("3","6","6","5","6","8","1") = "7"
    & skf18("3","6","6","5","6","9","1") = "8"
    & skf18("3","6","6","5","6","10","1") = "9"
    & skf18("3","6","6","5","7","1","1") = "6"
    & skf18("3","6","6","5","7","2","1") = "6"
    & skf18("3","6","6","5","7","3","1") = "6"
    & skf18("3","6","6","5","7","4","1") = "6"
    & skf18("3","6","6","5","7","5","1") = "6"
    & skf18("3","6","6","5","7","6","1") = "6"
    & skf18("3","6","6","5","7","7","1") = "6"
    & skf18("3","6","6","5","7","8","1") = "7"
    & skf18("3","6","6","5","7","9","1") = "8"
    & skf18("3","6","6","5","7","10","1") = "9"
    & skf18("3","6","6","5","8","1","1") = "7"
    & skf18("3","6","6","5","8","2","1") = "7"
    & skf18("3","6","6","5","8","3","1") = "7"
    & skf18("3","6","6","5","8","4","1") = "7"
    & skf18("3","6","6","5","8","5","1") = "7"
    & skf18("3","6","6","5","8","6","1") = "7"
    & skf18("3","6","6","5","8","7","1") = "7"
    & skf18("3","6","6","5","8","8","1") = "7"
    & skf18("3","6","6","5","8","9","1") = "8"
    & skf18("3","6","6","5","8","10","1") = "9"
    & skf18("3","6","6","5","9","1","1") = "8"
    & skf18("3","6","6","5","9","2","1") = "8"
    & skf18("3","6","6","5","9","3","1") = "8"
    & skf18("3","6","6","5","9","4","1") = "8"
    & skf18("3","6","6","5","9","5","1") = "8"
    & skf18("3","6","6","5","9","6","1") = "8"
    & skf18("3","6","6","5","9","7","1") = "8"
    & skf18("3","6","6","5","9","8","1") = "8"
    & skf18("3","6","6","5","9","9","1") = "8"
    & skf18("3","6","6","5","9","10","1") = "9"
    & skf18("3","6","6","5","10","1","1") = "9"
    & skf18("3","6","6","5","10","2","1") = "9"
    & skf18("3","6","6","5","10","3","1") = "9"
    & skf18("3","6","6","5","10","4","1") = "9"
    & skf18("3","6","6","5","10","5","1") = "9"
    & skf18("3","6","6","5","10","6","1") = "9"
    & skf18("3","6","6","5","10","7","1") = "9"
    & skf18("3","6","6","5","10","8","1") = "9"
    & skf18("3","6","6","5","10","9","1") = "9"
    & skf18("3","6","6","5","10","10","1") = "9"
    & skf18("3","6","6","6","1","1","1") = "5"
    & skf18("3","6","6","6","1","2","1") = "5"
    & skf18("3","6","6","6","1","3","1") = "5"
    & skf18("3","6","6","6","1","4","1") = "5"
    & skf18("3","6","6","6","1","5","1") = "5"
    & skf18("3","6","6","6","1","6","1") = "5"
    & skf18("3","6","6","6","1","7","1") = "6"
    & skf18("3","6","6","6","1","8","1") = "7"
    & skf18("3","6","6","6","1","9","1") = "8"
    & skf18("3","6","6","6","1","10","1") = "9"
    & skf18("3","6","6","6","2","1","1") = "5"
    & skf18("3","6","6","6","2","2","1") = "5"
    & skf18("3","6","6","6","2","3","1") = "5"
    & skf18("3","6","6","6","2","4","1") = "5"
    & skf18("3","6","6","6","2","5","1") = "5"
    & skf18("3","6","6","6","2","6","1") = "5"
    & skf18("3","6","6","6","2","7","1") = "6"
    & skf18("3","6","6","6","2","8","1") = "7"
    & skf18("3","6","6","6","2","9","1") = "8"
    & skf18("3","6","6","6","2","10","1") = "9"
    & skf18("3","6","6","6","3","1","1") = "5"
    & skf18("3","6","6","6","3","2","1") = "5"
    & skf18("3","6","6","6","3","3","1") = "5"
    & skf18("3","6","6","6","3","4","1") = "5"
    & skf18("3","6","6","6","3","5","1") = "5"
    & skf18("3","6","6","6","3","6","1") = "5"
    & skf18("3","6","6","6","3","7","1") = "6"
    & skf18("3","6","6","6","3","8","1") = "7"
    & skf18("3","6","6","6","3","9","1") = "8"
    & skf18("3","6","6","6","3","10","1") = "9"
    & skf18("3","6","6","6","4","1","1") = "5"
    & skf18("3","6","6","6","4","2","1") = "5"
    & skf18("3","6","6","6","4","3","1") = "5"
    & skf18("3","6","6","6","4","4","1") = "5"
    & skf18("3","6","6","6","4","5","1") = "5"
    & skf18("3","6","6","6","4","6","1") = "5"
    & skf18("3","6","6","6","4","7","1") = "6"
    & skf18("3","6","6","6","4","8","1") = "7"
    & skf18("3","6","6","6","4","9","1") = "8"
    & skf18("3","6","6","6","4","10","1") = "9"
    & skf18("3","6","6","6","5","1","1") = "5"
    & skf18("3","6","6","6","5","2","1") = "5"
    & skf18("3","6","6","6","5","3","1") = "5"
    & skf18("3","6","6","6","5","4","1") = "5"
    & skf18("3","6","6","6","5","5","1") = "5"
    & skf18("3","6","6","6","5","6","1") = "5"
    & skf18("3","6","6","6","5","7","1") = "6"
    & skf18("3","6","6","6","5","8","1") = "7"
    & skf18("3","6","6","6","5","9","1") = "8"
    & skf18("3","6","6","6","5","10","1") = "9"
    & skf18("3","6","6","6","6","1","1") = "5"
    & skf18("3","6","6","6","6","2","1") = "5"
    & skf18("3","6","6","6","6","3","1") = "5"
    & skf18("3","6","6","6","6","4","1") = "5"
    & skf18("3","6","6","6","6","5","1") = "5"
    & skf18("3","6","6","6","6","6","1") = "5"
    & skf18("3","6","6","6","6","7","1") = "6"
    & skf18("3","6","6","6","6","8","1") = "7"
    & skf18("3","6","6","6","6","9","1") = "8"
    & skf18("3","6","6","6","6","10","1") = "9"
    & skf18("3","6","6","6","7","1","1") = "6"
    & skf18("3","6","6","6","7","2","1") = "6"
    & skf18("3","6","6","6","7","3","1") = "6"
    & skf18("3","6","6","6","7","4","1") = "6"
    & skf18("3","6","6","6","7","5","1") = "6"
    & skf18("3","6","6","6","7","6","1") = "6"
    & skf18("3","6","6","6","7","7","1") = "6"
    & skf18("3","6","6","6","7","8","1") = "7"
    & skf18("3","6","6","6","7","9","1") = "8"
    & skf18("3","6","6","6","7","10","1") = "9"
    & skf18("3","6","6","6","8","1","1") = "7"
    & skf18("3","6","6","6","8","2","1") = "7"
    & skf18("3","6","6","6","8","3","1") = "7"
    & skf18("3","6","6","6","8","4","1") = "7"
    & skf18("3","6","6","6","8","5","1") = "7"
    & skf18("3","6","6","6","8","6","1") = "7"
    & skf18("3","6","6","6","8","7","1") = "7"
    & skf18("3","6","6","6","8","8","1") = "7"
    & skf18("3","6","6","6","8","9","1") = "8"
    & skf18("3","6","6","6","8","10","1") = "9"
    & skf18("3","6","6","6","9","1","1") = "8"
    & skf18("3","6","6","6","9","2","1") = "8"
    & skf18("3","6","6","6","9","3","1") = "8"
    & skf18("3","6","6","6","9","4","1") = "8"
    & skf18("3","6","6","6","9","5","1") = "8"
    & skf18("3","6","6","6","9","6","1") = "8"
    & skf18("3","6","6","6","9","7","1") = "8"
    & skf18("3","6","6","6","9","8","1") = "8"
    & skf18("3","6","6","6","9","9","1") = "8"
    & skf18("3","6","6","6","9","10","1") = "9"
    & skf18("3","6","6","6","10","1","1") = "9"
    & skf18("3","6","6","6","10","2","1") = "9"
    & skf18("3","6","6","6","10","3","1") = "9"
    & skf18("3","6","6","6","10","4","1") = "9"
    & skf18("3","6","6","6","10","5","1") = "9"
    & skf18("3","6","6","6","10","6","1") = "9"
    & skf18("3","6","6","6","10","7","1") = "9"
    & skf18("3","6","6","6","10","8","1") = "9"
    & skf18("3","6","6","6","10","9","1") = "9"
    & skf18("3","6","6","6","10","10","1") = "9"
    & skf18("3","6","6","7","1","1","1") = "6"
    & skf18("3","6","6","7","1","2","1") = "6"
    & skf18("3","6","6","7","1","3","1") = "6"
    & skf18("3","6","6","7","1","4","1") = "6"
    & skf18("3","6","6","7","1","5","1") = "6"
    & skf18("3","6","6","7","1","6","1") = "6"
    & skf18("3","6","6","7","1","7","1") = "6"
    & skf18("3","6","6","7","1","8","1") = "7"
    & skf18("3","6","6","7","1","9","1") = "8"
    & skf18("3","6","6","7","1","10","1") = "9"
    & skf18("3","6","6","7","2","1","1") = "6"
    & skf18("3","6","6","7","2","2","1") = "6"
    & skf18("3","6","6","7","2","3","1") = "6"
    & skf18("3","6","6","7","2","4","1") = "6"
    & skf18("3","6","6","7","2","5","1") = "6"
    & skf18("3","6","6","7","2","6","1") = "6"
    & skf18("3","6","6","7","2","7","1") = "6"
    & skf18("3","6","6","7","2","8","1") = "7"
    & skf18("3","6","6","7","2","9","1") = "8"
    & skf18("3","6","6","7","2","10","1") = "9"
    & skf18("3","6","6","7","3","1","1") = "6"
    & skf18("3","6","6","7","3","2","1") = "6"
    & skf18("3","6","6","7","3","3","1") = "6"
    & skf18("3","6","6","7","3","4","1") = "6"
    & skf18("3","6","6","7","3","5","1") = "6"
    & skf18("3","6","6","7","3","6","1") = "6"
    & skf18("3","6","6","7","3","7","1") = "6"
    & skf18("3","6","6","7","3","8","1") = "7"
    & skf18("3","6","6","7","3","9","1") = "8"
    & skf18("3","6","6","7","3","10","1") = "9"
    & skf18("3","6","6","7","4","1","1") = "6"
    & skf18("3","6","6","7","4","2","1") = "6"
    & skf18("3","6","6","7","4","3","1") = "6"
    & skf18("3","6","6","7","4","4","1") = "6"
    & skf18("3","6","6","7","4","5","1") = "6"
    & skf18("3","6","6","7","4","6","1") = "6"
    & skf18("3","6","6","7","4","7","1") = "6"
    & skf18("3","6","6","7","4","8","1") = "7"
    & skf18("3","6","6","7","4","9","1") = "8"
    & skf18("3","6","6","7","4","10","1") = "9"
    & skf18("3","6","6","7","5","1","1") = "6"
    & skf18("3","6","6","7","5","2","1") = "6"
    & skf18("3","6","6","7","5","3","1") = "6"
    & skf18("3","6","6","7","5","4","1") = "6"
    & skf18("3","6","6","7","5","5","1") = "6"
    & skf18("3","6","6","7","5","6","1") = "6"
    & skf18("3","6","6","7","5","7","1") = "6"
    & skf18("3","6","6","7","5","8","1") = "7"
    & skf18("3","6","6","7","5","9","1") = "8"
    & skf18("3","6","6","7","5","10","1") = "9"
    & skf18("3","6","6","7","6","1","1") = "6"
    & skf18("3","6","6","7","6","2","1") = "6"
    & skf18("3","6","6","7","6","3","1") = "6"
    & skf18("3","6","6","7","6","4","1") = "6"
    & skf18("3","6","6","7","6","5","1") = "6"
    & skf18("3","6","6","7","6","6","1") = "6"
    & skf18("3","6","6","7","6","7","1") = "6"
    & skf18("3","6","6","7","6","8","1") = "7"
    & skf18("3","6","6","7","6","9","1") = "8"
    & skf18("3","6","6","7","6","10","1") = "9"
    & skf18("3","6","6","7","7","1","1") = "6"
    & skf18("3","6","6","7","7","2","1") = "6"
    & skf18("3","6","6","7","7","3","1") = "6"
    & skf18("3","6","6","7","7","4","1") = "6"
    & skf18("3","6","6","7","7","5","1") = "6"
    & skf18("3","6","6","7","7","6","1") = "6"
    & skf18("3","6","6","7","7","7","1") = "6"
    & skf18("3","6","6","7","7","8","1") = "7"
    & skf18("3","6","6","7","7","9","1") = "8"
    & skf18("3","6","6","7","7","10","1") = "9"
    & skf18("3","6","6","7","8","1","1") = "7"
    & skf18("3","6","6","7","8","2","1") = "7"
    & skf18("3","6","6","7","8","3","1") = "7"
    & skf18("3","6","6","7","8","4","1") = "7"
    & skf18("3","6","6","7","8","5","1") = "7"
    & skf18("3","6","6","7","8","6","1") = "7"
    & skf18("3","6","6","7","8","7","1") = "7"
    & skf18("3","6","6","7","8","8","1") = "7"
    & skf18("3","6","6","7","8","9","1") = "8"
    & skf18("3","6","6","7","8","10","1") = "9"
    & skf18("3","6","6","7","9","1","1") = "8"
    & skf18("3","6","6","7","9","2","1") = "8"
    & skf18("3","6","6","7","9","3","1") = "8"
    & skf18("3","6","6","7","9","4","1") = "8"
    & skf18("3","6","6","7","9","5","1") = "8"
    & skf18("3","6","6","7","9","6","1") = "8"
    & skf18("3","6","6","7","9","7","1") = "8"
    & skf18("3","6","6","7","9","8","1") = "8"
    & skf18("3","6","6","7","9","9","1") = "8"
    & skf18("3","6","6","7","9","10","1") = "9"
    & skf18("3","6","6","7","10","1","1") = "9"
    & skf18("3","6","6","7","10","2","1") = "9"
    & skf18("3","6","6","7","10","3","1") = "9"
    & skf18("3","6","6","7","10","4","1") = "9"
    & skf18("3","6","6","7","10","5","1") = "9"
    & skf18("3","6","6","7","10","6","1") = "9"
    & skf18("3","6","6","7","10","7","1") = "9"
    & skf18("3","6","6","7","10","8","1") = "9"
    & skf18("3","6","6","7","10","9","1") = "9"
    & skf18("3","6","6","7","10","10","1") = "9"
    & skf18("3","6","6","8","1","1","1") = "7"
    & skf18("3","6","6","8","1","2","1") = "7"
    & skf18("3","6","6","8","1","3","1") = "7"
    & skf18("3","6","6","8","1","4","1") = "7"
    & skf18("3","6","6","8","1","5","1") = "7"
    & skf18("3","6","6","8","1","6","1") = "7"
    & skf18("3","6","6","8","1","7","1") = "7"
    & skf18("3","6","6","8","1","8","1") = "7"
    & skf18("3","6","6","8","1","9","1") = "8"
    & skf18("3","6","6","8","1","10","1") = "9"
    & skf18("3","6","6","8","2","1","1") = "7"
    & skf18("3","6","6","8","2","2","1") = "7"
    & skf18("3","6","6","8","2","3","1") = "7"
    & skf18("3","6","6","8","2","4","1") = "7"
    & skf18("3","6","6","8","2","5","1") = "7"
    & skf18("3","6","6","8","2","6","1") = "7"
    & skf18("3","6","6","8","2","7","1") = "7"
    & skf18("3","6","6","8","2","8","1") = "7"
    & skf18("3","6","6","8","2","9","1") = "8"
    & skf18("3","6","6","8","2","10","1") = "9"
    & skf18("3","6","6","8","3","1","1") = "7"
    & skf18("3","6","6","8","3","2","1") = "7"
    & skf18("3","6","6","8","3","3","1") = "7"
    & skf18("3","6","6","8","3","4","1") = "7"
    & skf18("3","6","6","8","3","5","1") = "7"
    & skf18("3","6","6","8","3","6","1") = "7"
    & skf18("3","6","6","8","3","7","1") = "7"
    & skf18("3","6","6","8","3","8","1") = "7"
    & skf18("3","6","6","8","3","9","1") = "8"
    & skf18("3","6","6","8","3","10","1") = "9"
    & skf18("3","6","6","8","4","1","1") = "7"
    & skf18("3","6","6","8","4","2","1") = "7"
    & skf18("3","6","6","8","4","3","1") = "7"
    & skf18("3","6","6","8","4","4","1") = "7"
    & skf18("3","6","6","8","4","5","1") = "7"
    & skf18("3","6","6","8","4","6","1") = "7"
    & skf18("3","6","6","8","4","7","1") = "7"
    & skf18("3","6","6","8","4","8","1") = "7"
    & skf18("3","6","6","8","4","9","1") = "8"
    & skf18("3","6","6","8","4","10","1") = "9"
    & skf18("3","6","6","8","5","1","1") = "7"
    & skf18("3","6","6","8","5","2","1") = "7"
    & skf18("3","6","6","8","5","3","1") = "7"
    & skf18("3","6","6","8","5","4","1") = "7"
    & skf18("3","6","6","8","5","5","1") = "7"
    & skf18("3","6","6","8","5","6","1") = "7"
    & skf18("3","6","6","8","5","7","1") = "7"
    & skf18("3","6","6","8","5","8","1") = "7"
    & skf18("3","6","6","8","5","9","1") = "8"
    & skf18("3","6","6","8","5","10","1") = "9"
    & skf18("3","6","6","8","6","1","1") = "7"
    & skf18("3","6","6","8","6","2","1") = "7"
    & skf18("3","6","6","8","6","3","1") = "7"
    & skf18("3","6","6","8","6","4","1") = "7"
    & skf18("3","6","6","8","6","5","1") = "7"
    & skf18("3","6","6","8","6","6","1") = "7"
    & skf18("3","6","6","8","6","7","1") = "7"
    & skf18("3","6","6","8","6","8","1") = "7"
    & skf18("3","6","6","8","6","9","1") = "8"
    & skf18("3","6","6","8","6","10","1") = "9"
    & skf18("3","6","6","8","7","1","1") = "7"
    & skf18("3","6","6","8","7","2","1") = "7"
    & skf18("3","6","6","8","7","3","1") = "7"
    & skf18("3","6","6","8","7","4","1") = "7"
    & skf18("3","6","6","8","7","5","1") = "7"
    & skf18("3","6","6","8","7","6","1") = "7"
    & skf18("3","6","6","8","7","7","1") = "7"
    & skf18("3","6","6","8","7","8","1") = "7"
    & skf18("3","6","6","8","7","9","1") = "8"
    & skf18("3","6","6","8","7","10","1") = "9"
    & skf18("3","6","6","8","8","1","1") = "7"
    & skf18("3","6","6","8","8","2","1") = "7"
    & skf18("3","6","6","8","8","3","1") = "7"
    & skf18("3","6","6","8","8","4","1") = "7"
    & skf18("3","6","6","8","8","5","1") = "7"
    & skf18("3","6","6","8","8","6","1") = "7"
    & skf18("3","6","6","8","8","7","1") = "7"
    & skf18("3","6","6","8","8","8","1") = "7"
    & skf18("3","6","6","8","8","9","1") = "8"
    & skf18("3","6","6","8","8","10","1") = "9"
    & skf18("3","6","6","8","9","1","1") = "8"
    & skf18("3","6","6","8","9","2","1") = "8"
    & skf18("3","6","6","8","9","3","1") = "8"
    & skf18("3","6","6","8","9","4","1") = "8"
    & skf18("3","6","6","8","9","5","1") = "8"
    & skf18("3","6","6","8","9","6","1") = "8"
    & skf18("3","6","6","8","9","7","1") = "8"
    & skf18("3","6","6","8","9","8","1") = "8"
    & skf18("3","6","6","8","9","9","1") = "8"
    & skf18("3","6","6","8","9","10","1") = "9"
    & skf18("3","6","6","8","10","1","1") = "9"
    & skf18("3","6","6","8","10","2","1") = "9"
    & skf18("3","6","6","8","10","3","1") = "9"
    & skf18("3","6","6","8","10","4","1") = "9"
    & skf18("3","6","6","8","10","5","1") = "9"
    & skf18("3","6","6","8","10","6","1") = "9"
    & skf18("3","6","6","8","10","7","1") = "9"
    & skf18("3","6","6","8","10","8","1") = "9"
    & skf18("3","6","6","8","10","9","1") = "9"
    & skf18("3","6","6","8","10","10","1") = "9"
    & skf18("3","6","6","9","1","1","1") = "8"
    & skf18("3","6","6","9","1","2","1") = "8"
    & skf18("3","6","6","9","1","3","1") = "8"
    & skf18("3","6","6","9","1","4","1") = "8"
    & skf18("3","6","6","9","1","5","1") = "8"
    & skf18("3","6","6","9","1","6","1") = "8"
    & skf18("3","6","6","9","1","7","1") = "8"
    & skf18("3","6","6","9","1","8","1") = "8"
    & skf18("3","6","6","9","1","9","1") = "8"
    & skf18("3","6","6","9","1","10","1") = "9"
    & skf18("3","6","6","9","2","1","1") = "8"
    & skf18("3","6","6","9","2","2","1") = "8"
    & skf18("3","6","6","9","2","3","1") = "8"
    & skf18("3","6","6","9","2","4","1") = "8"
    & skf18("3","6","6","9","2","5","1") = "8"
    & skf18("3","6","6","9","2","6","1") = "8"
    & skf18("3","6","6","9","2","7","1") = "8"
    & skf18("3","6","6","9","2","8","1") = "8"
    & skf18("3","6","6","9","2","9","1") = "8"
    & skf18("3","6","6","9","2","10","1") = "9"
    & skf18("3","6","6","9","3","1","1") = "8"
    & skf18("3","6","6","9","3","2","1") = "8"
    & skf18("3","6","6","9","3","3","1") = "8"
    & skf18("3","6","6","9","3","4","1") = "8"
    & skf18("3","6","6","9","3","5","1") = "8"
    & skf18("3","6","6","9","3","6","1") = "8"
    & skf18("3","6","6","9","3","7","1") = "8"
    & skf18("3","6","6","9","3","8","1") = "8"
    & skf18("3","6","6","9","3","9","1") = "8"
    & skf18("3","6","6","9","3","10","1") = "9"
    & skf18("3","6","6","9","4","1","1") = "8"
    & skf18("3","6","6","9","4","2","1") = "8"
    & skf18("3","6","6","9","4","3","1") = "8"
    & skf18("3","6","6","9","4","4","1") = "8"
    & skf18("3","6","6","9","4","5","1") = "8"
    & skf18("3","6","6","9","4","6","1") = "8"
    & skf18("3","6","6","9","4","7","1") = "8"
    & skf18("3","6","6","9","4","8","1") = "8"
    & skf18("3","6","6","9","4","9","1") = "8"
    & skf18("3","6","6","9","4","10","1") = "9"
    & skf18("3","6","6","9","5","1","1") = "8"
    & skf18("3","6","6","9","5","2","1") = "8"
    & skf18("3","6","6","9","5","3","1") = "8"
    & skf18("3","6","6","9","5","4","1") = "8"
    & skf18("3","6","6","9","5","5","1") = "8"
    & skf18("3","6","6","9","5","6","1") = "8"
    & skf18("3","6","6","9","5","7","1") = "8"
    & skf18("3","6","6","9","5","8","1") = "8"
    & skf18("3","6","6","9","5","9","1") = "8"
    & skf18("3","6","6","9","5","10","1") = "9"
    & skf18("3","6","6","9","6","1","1") = "8"
    & skf18("3","6","6","9","6","2","1") = "8"
    & skf18("3","6","6","9","6","3","1") = "8"
    & skf18("3","6","6","9","6","4","1") = "8"
    & skf18("3","6","6","9","6","5","1") = "8"
    & skf18("3","6","6","9","6","6","1") = "8"
    & skf18("3","6","6","9","6","7","1") = "8"
    & skf18("3","6","6","9","6","8","1") = "8"
    & skf18("3","6","6","9","6","9","1") = "8"
    & skf18("3","6","6","9","6","10","1") = "9"
    & skf18("3","6","6","9","7","1","1") = "8"
    & skf18("3","6","6","9","7","2","1") = "8"
    & skf18("3","6","6","9","7","3","1") = "8"
    & skf18("3","6","6","9","7","4","1") = "8"
    & skf18("3","6","6","9","7","5","1") = "8"
    & skf18("3","6","6","9","7","6","1") = "8"
    & skf18("3","6","6","9","7","7","1") = "8"
    & skf18("3","6","6","9","7","8","1") = "8"
    & skf18("3","6","6","9","7","9","1") = "8"
    & skf18("3","6","6","9","7","10","1") = "9"
    & skf18("3","6","6","9","8","1","1") = "8"
    & skf18("3","6","6","9","8","2","1") = "8"
    & skf18("3","6","6","9","8","3","1") = "8"
    & skf18("3","6","6","9","8","4","1") = "8"
    & skf18("3","6","6","9","8","5","1") = "8"
    & skf18("3","6","6","9","8","6","1") = "8"
    & skf18("3","6","6","9","8","7","1") = "8"
    & skf18("3","6","6","9","8","8","1") = "8"
    & skf18("3","6","6","9","8","9","1") = "8"
    & skf18("3","6","6","9","8","10","1") = "9"
    & skf18("3","6","6","9","9","1","1") = "8"
    & skf18("3","6","6","9","9","2","1") = "8"
    & skf18("3","6","6","9","9","3","1") = "8"
    & skf18("3","6","6","9","9","4","1") = "8"
    & skf18("3","6","6","9","9","5","1") = "8"
    & skf18("3","6","6","9","9","6","1") = "8"
    & skf18("3","6","6","9","9","7","1") = "8"
    & skf18("3","6","6","9","9","8","1") = "8"
    & skf18("3","6","6","9","9","9","1") = "8"
    & skf18("3","6","6","9","9","10","1") = "9"
    & skf18("3","6","6","9","10","1","1") = "9"
    & skf18("3","6","6","9","10","2","1") = "9"
    & skf18("3","6","6","9","10","3","1") = "9"
    & skf18("3","6","6","9","10","4","1") = "9"
    & skf18("3","6","6","9","10","5","1") = "9"
    & skf18("3","6","6","9","10","6","1") = "9"
    & skf18("3","6","6","9","10","7","1") = "9"
    & skf18("3","6","6","9","10","8","1") = "9"
    & skf18("3","6","6","9","10","9","1") = "9"
    & skf18("3","6","6","9","10","10","1") = "9"
    & skf18("3","6","6","10","1","1","1") = "9"
    & skf18("3","6","6","10","1","2","1") = "9"
    & skf18("3","6","6","10","1","3","1") = "9"
    & skf18("3","6","6","10","1","4","1") = "9"
    & skf18("3","6","6","10","1","5","1") = "9"
    & skf18("3","6","6","10","1","6","1") = "9"
    & skf18("3","6","6","10","1","7","1") = "9"
    & skf18("3","6","6","10","1","8","1") = "9"
    & skf18("3","6","6","10","1","9","1") = "9"
    & skf18("3","6","6","10","1","10","1") = "9"
    & skf18("3","6","6","10","2","1","1") = "9"
    & skf18("3","6","6","10","2","2","1") = "9"
    & skf18("3","6","6","10","2","3","1") = "9"
    & skf18("3","6","6","10","2","4","1") = "9"
    & skf18("3","6","6","10","2","5","1") = "9"
    & skf18("3","6","6","10","2","6","1") = "9"
    & skf18("3","6","6","10","2","7","1") = "9"
    & skf18("3","6","6","10","2","8","1") = "9"
    & skf18("3","6","6","10","2","9","1") = "9"
    & skf18("3","6","6","10","2","10","1") = "9"
    & skf18("3","6","6","10","3","1","1") = "9"
    & skf18("3","6","6","10","3","2","1") = "9"
    & skf18("3","6","6","10","3","3","1") = "9"
    & skf18("3","6","6","10","3","4","1") = "9"
    & skf18("3","6","6","10","3","5","1") = "9"
    & skf18("3","6","6","10","3","6","1") = "9"
    & skf18("3","6","6","10","3","7","1") = "9"
    & skf18("3","6","6","10","3","8","1") = "9"
    & skf18("3","6","6","10","3","9","1") = "9"
    & skf18("3","6","6","10","3","10","1") = "9"
    & skf18("3","6","6","10","4","1","1") = "9"
    & skf18("3","6","6","10","4","2","1") = "9"
    & skf18("3","6","6","10","4","3","1") = "9"
    & skf18("3","6","6","10","4","4","1") = "9"
    & skf18("3","6","6","10","4","5","1") = "9"
    & skf18("3","6","6","10","4","6","1") = "9"
    & skf18("3","6","6","10","4","7","1") = "9"
    & skf18("3","6","6","10","4","8","1") = "9"
    & skf18("3","6","6","10","4","9","1") = "9"
    & skf18("3","6","6","10","4","10","1") = "9"
    & skf18("3","6","6","10","5","1","1") = "9"
    & skf18("3","6","6","10","5","2","1") = "9"
    & skf18("3","6","6","10","5","3","1") = "9"
    & skf18("3","6","6","10","5","4","1") = "9"
    & skf18("3","6","6","10","5","5","1") = "9"
    & skf18("3","6","6","10","5","6","1") = "9"
    & skf18("3","6","6","10","5","7","1") = "9"
    & skf18("3","6","6","10","5","8","1") = "9"
    & skf18("3","6","6","10","5","9","1") = "9"
    & skf18("3","6","6","10","5","10","1") = "9"
    & skf18("3","6","6","10","6","1","1") = "9"
    & skf18("3","6","6","10","6","2","1") = "9"
    & skf18("3","6","6","10","6","3","1") = "9"
    & skf18("3","6","6","10","6","4","1") = "9"
    & skf18("3","6","6","10","6","5","1") = "9"
    & skf18("3","6","6","10","6","6","1") = "9"
    & skf18("3","6","6","10","6","7","1") = "9"
    & skf18("3","6","6","10","6","8","1") = "9"
    & skf18("3","6","6","10","6","9","1") = "9"
    & skf18("3","6","6","10","6","10","1") = "9"
    & skf18("3","6","6","10","7","1","1") = "9"
    & skf18("3","6","6","10","7","2","1") = "9"
    & skf18("3","6","6","10","7","3","1") = "9"
    & skf18("3","6","6","10","7","4","1") = "9"
    & skf18("3","6","6","10","7","5","1") = "9"
    & skf18("3","6","6","10","7","6","1") = "9"
    & skf18("3","6","6","10","7","7","1") = "9"
    & skf18("3","6","6","10","7","8","1") = "9"
    & skf18("3","6","6","10","7","9","1") = "9"
    & skf18("3","6","6","10","7","10","1") = "9"
    & skf18("3","6","6","10","8","1","1") = "9"
    & skf18("3","6","6","10","8","2","1") = "9"
    & skf18("3","6","6","10","8","3","1") = "9"
    & skf18("3","6","6","10","8","4","1") = "9"
    & skf18("3","6","6","10","8","5","1") = "9"
    & skf18("3","6","6","10","8","6","1") = "9"
    & skf18("3","6","6","10","8","7","1") = "9"
    & skf18("3","6","6","10","8","8","1") = "9"
    & skf18("3","6","6","10","8","9","1") = "9"
    & skf18("3","6","6","10","8","10","1") = "9"
    & skf18("3","6","6","10","9","1","1") = "9"
    & skf18("3","6","6","10","9","2","1") = "9"
    & skf18("3","6","6","10","9","3","1") = "9"
    & skf18("3","6","6","10","9","4","1") = "9"
    & skf18("3","6","6","10","9","5","1") = "9"
    & skf18("3","6","6","10","9","6","1") = "9"
    & skf18("3","6","6","10","9","7","1") = "9"
    & skf18("3","6","6","10","9","8","1") = "9"
    & skf18("3","6","6","10","9","9","1") = "9"
    & skf18("3","6","6","10","9","10","1") = "9"
    & skf18("3","6","6","10","10","1","1") = "9"
    & skf18("3","6","6","10","10","2","1") = "9"
    & skf18("3","6","6","10","10","3","1") = "9"
    & skf18("3","6","6","10","10","4","1") = "9"
    & skf18("3","6","6","10","10","5","1") = "9"
    & skf18("3","6","6","10","10","6","1") = "9"
    & skf18("3","6","6","10","10","7","1") = "9"
    & skf18("3","6","6","10","10","8","1") = "9"
    & skf18("3","6","6","10","10","9","1") = "9"
    & skf18("3","6","6","10","10","10","1") = "9"
    & skf18("3","6","7","1","1","1","1") = "6"
    & skf18("3","6","7","1","1","2","1") = "6"
    & skf18("3","6","7","1","1","3","1") = "6"
    & skf18("3","6","7","1","1","4","1") = "6"
    & skf18("3","6","7","1","1","5","1") = "6"
    & skf18("3","6","7","1","1","6","1") = "6"
    & skf18("3","6","7","1","1","7","1") = "6"
    & skf18("3","6","7","1","1","8","1") = "7"
    & skf18("3","6","7","1","1","9","1") = "8"
    & skf18("3","6","7","1","1","10","1") = "9"
    & skf18("3","6","7","1","2","1","1") = "6"
    & skf18("3","6","7","1","2","2","1") = "6"
    & skf18("3","6","7","1","2","3","1") = "6"
    & skf18("3","6","7","1","2","4","1") = "6"
    & skf18("3","6","7","1","2","5","1") = "6"
    & skf18("3","6","7","1","2","6","1") = "6"
    & skf18("3","6","7","1","2","7","1") = "6"
    & skf18("3","6","7","1","2","8","1") = "7"
    & skf18("3","6","7","1","2","9","1") = "8"
    & skf18("3","6","7","1","2","10","1") = "9"
    & skf18("3","6","7","1","3","1","1") = "6"
    & skf18("3","6","7","1","3","2","1") = "6"
    & skf18("3","6","7","1","3","3","1") = "6"
    & skf18("3","6","7","1","3","4","1") = "6"
    & skf18("3","6","7","1","3","5","1") = "6"
    & skf18("3","6","7","1","3","6","1") = "6"
    & skf18("3","6","7","1","3","7","1") = "6"
    & skf18("3","6","7","1","3","8","1") = "7"
    & skf18("3","6","7","1","3","9","1") = "8"
    & skf18("3","6","7","1","3","10","1") = "9"
    & skf18("3","6","7","1","4","1","1") = "6"
    & skf18("3","6","7","1","4","2","1") = "6"
    & skf18("3","6","7","1","4","3","1") = "6"
    & skf18("3","6","7","1","4","4","1") = "6"
    & skf18("3","6","7","1","4","5","1") = "6"
    & skf18("3","6","7","1","4","6","1") = "6"
    & skf18("3","6","7","1","4","7","1") = "6"
    & skf18("3","6","7","1","4","8","1") = "7"
    & skf18("3","6","7","1","4","9","1") = "8"
    & skf18("3","6","7","1","4","10","1") = "9"
    & skf18("3","6","7","1","5","1","1") = "6"
    & skf18("3","6","7","1","5","2","1") = "6"
    & skf18("3","6","7","1","5","3","1") = "6"
    & skf18("3","6","7","1","5","4","1") = "6"
    & skf18("3","6","7","1","5","5","1") = "6"
    & skf18("3","6","7","1","5","6","1") = "6"
    & skf18("3","6","7","1","5","7","1") = "6"
    & skf18("3","6","7","1","5","8","1") = "7"
    & skf18("3","6","7","1","5","9","1") = "8"
    & skf18("3","6","7","1","5","10","1") = "9"
    & skf18("3","6","7","1","6","1","1") = "6"
    & skf18("3","6","7","1","6","2","1") = "6"
    & skf18("3","6","7","1","6","3","1") = "6"
    & skf18("3","6","7","1","6","4","1") = "6"
    & skf18("3","6","7","1","6","5","1") = "6"
    & skf18("3","6","7","1","6","6","1") = "6"
    & skf18("3","6","7","1","6","7","1") = "6"
    & skf18("3","6","7","1","6","8","1") = "7"
    & skf18("3","6","7","1","6","9","1") = "8"
    & skf18("3","6","7","1","6","10","1") = "9"
    & skf18("3","6","7","1","7","1","1") = "6"
    & skf18("3","6","7","1","7","2","1") = "6"
    & skf18("3","6","7","1","7","3","1") = "6"
    & skf18("3","6","7","1","7","4","1") = "6"
    & skf18("3","6","7","1","7","5","1") = "6"
    & skf18("3","6","7","1","7","6","1") = "6"
    & skf18("3","6","7","1","7","7","1") = "6"
    & skf18("3","6","7","1","7","8","1") = "7"
    & skf18("3","6","7","1","7","9","1") = "8"
    & skf18("3","6","7","1","7","10","1") = "9"
    & skf18("3","6","7","1","8","1","1") = "7"
    & skf18("3","6","7","1","8","2","1") = "7"
    & skf18("3","6","7","1","8","3","1") = "7"
    & skf18("3","6","7","1","8","4","1") = "7"
    & skf18("3","6","7","1","8","5","1") = "7"
    & skf18("3","6","7","1","8","6","1") = "7"
    & skf18("3","6","7","1","8","7","1") = "7"
    & skf18("3","6","7","1","8","8","1") = "7"
    & skf18("3","6","7","1","8","9","1") = "8"
    & skf18("3","6","7","1","8","10","1") = "9"
    & skf18("3","6","7","1","9","1","1") = "8"
    & skf18("3","6","7","1","9","2","1") = "8"
    & skf18("3","6","7","1","9","3","1") = "8"
    & skf18("3","6","7","1","9","4","1") = "8"
    & skf18("3","6","7","1","9","5","1") = "8"
    & skf18("3","6","7","1","9","6","1") = "8"
    & skf18("3","6","7","1","9","7","1") = "8"
    & skf18("3","6","7","1","9","8","1") = "8"
    & skf18("3","6","7","1","9","9","1") = "8"
    & skf18("3","6","7","1","9","10","1") = "9"
    & skf18("3","6","7","1","10","1","1") = "9"
    & skf18("3","6","7","1","10","2","1") = "9"
    & skf18("3","6","7","1","10","3","1") = "9"
    & skf18("3","6","7","1","10","4","1") = "9"
    & skf18("3","6","7","1","10","5","1") = "9"
    & skf18("3","6","7","1","10","6","1") = "9"
    & skf18("3","6","7","1","10","7","1") = "9"
    & skf18("3","6","7","1","10","8","1") = "9"
    & skf18("3","6","7","1","10","9","1") = "9"
    & skf18("3","6","7","1","10","10","1") = "9"
    & skf18("3","6","7","2","1","1","1") = "6"
    & skf18("3","6","7","2","1","2","1") = "6"
    & skf18("3","6","7","2","1","3","1") = "6"
    & skf18("3","6","7","2","1","4","1") = "6"
    & skf18("3","6","7","2","1","5","1") = "6"
    & skf18("3","6","7","2","1","6","1") = "6"
    & skf18("3","6","7","2","1","7","1") = "6"
    & skf18("3","6","7","2","1","8","1") = "7"
    & skf18("3","6","7","2","1","9","1") = "8"
    & skf18("3","6","7","2","1","10","1") = "9"
    & skf18("3","6","7","2","2","1","1") = "6"
    & skf18("3","6","7","2","2","2","1") = "6"
    & skf18("3","6","7","2","2","3","1") = "6"
    & skf18("3","6","7","2","2","4","1") = "6"
    & skf18("3","6","7","2","2","5","1") = "6"
    & skf18("3","6","7","2","2","6","1") = "6"
    & skf18("3","6","7","2","2","7","1") = "6"
    & skf18("3","6","7","2","2","8","1") = "7"
    & skf18("3","6","7","2","2","9","1") = "8"
    & skf18("3","6","7","2","2","10","1") = "9"
    & skf18("3","6","7","2","3","1","1") = "6"
    & skf18("3","6","7","2","3","2","1") = "6"
    & skf18("3","6","7","2","3","3","1") = "6"
    & skf18("3","6","7","2","3","4","1") = "6"
    & skf18("3","6","7","2","3","5","1") = "6"
    & skf18("3","6","7","2","3","6","1") = "6"
    & skf18("3","6","7","2","3","7","1") = "6"
    & skf18("3","6","7","2","3","8","1") = "7"
    & skf18("3","6","7","2","3","9","1") = "8"
    & skf18("3","6","7","2","3","10","1") = "9"
    & skf18("3","6","7","2","4","1","1") = "6"
    & skf18("3","6","7","2","4","2","1") = "6"
    & skf18("3","6","7","2","4","3","1") = "6"
    & skf18("3","6","7","2","4","4","1") = "6"
    & skf18("3","6","7","2","4","5","1") = "6"
    & skf18("3","6","7","2","4","6","1") = "6"
    & skf18("3","6","7","2","4","7","1") = "6"
    & skf18("3","6","7","2","4","8","1") = "7"
    & skf18("3","6","7","2","4","9","1") = "8"
    & skf18("3","6","7","2","4","10","1") = "9"
    & skf18("3","6","7","2","5","1","1") = "6"
    & skf18("3","6","7","2","5","2","1") = "6"
    & skf18("3","6","7","2","5","3","1") = "6"
    & skf18("3","6","7","2","5","4","1") = "6"
    & skf18("3","6","7","2","5","5","1") = "6"
    & skf18("3","6","7","2","5","6","1") = "6"
    & skf18("3","6","7","2","5","7","1") = "6"
    & skf18("3","6","7","2","5","8","1") = "7"
    & skf18("3","6","7","2","5","9","1") = "8"
    & skf18("3","6","7","2","5","10","1") = "9"
    & skf18("3","6","7","2","6","1","1") = "6"
    & skf18("3","6","7","2","6","2","1") = "6"
    & skf18("3","6","7","2","6","3","1") = "6"
    & skf18("3","6","7","2","6","4","1") = "6"
    & skf18("3","6","7","2","6","5","1") = "6"
    & skf18("3","6","7","2","6","6","1") = "6"
    & skf18("3","6","7","2","6","7","1") = "6"
    & skf18("3","6","7","2","6","8","1") = "7"
    & skf18("3","6","7","2","6","9","1") = "8"
    & skf18("3","6","7","2","6","10","1") = "9"
    & skf18("3","6","7","2","7","1","1") = "6"
    & skf18("3","6","7","2","7","2","1") = "6"
    & skf18("3","6","7","2","7","3","1") = "6"
    & skf18("3","6","7","2","7","4","1") = "6"
    & skf18("3","6","7","2","7","5","1") = "6"
    & skf18("3","6","7","2","7","6","1") = "6"
    & skf18("3","6","7","2","7","7","1") = "6"
    & skf18("3","6","7","2","7","8","1") = "7"
    & skf18("3","6","7","2","7","9","1") = "8"
    & skf18("3","6","7","2","7","10","1") = "9"
    & skf18("3","6","7","2","8","1","1") = "7"
    & skf18("3","6","7","2","8","2","1") = "7"
    & skf18("3","6","7","2","8","3","1") = "7"
    & skf18("3","6","7","2","8","4","1") = "7"
    & skf18("3","6","7","2","8","5","1") = "7"
    & skf18("3","6","7","2","8","6","1") = "7"
    & skf18("3","6","7","2","8","7","1") = "7"
    & skf18("3","6","7","2","8","8","1") = "7"
    & skf18("3","6","7","2","8","9","1") = "8"
    & skf18("3","6","7","2","8","10","1") = "9"
    & skf18("3","6","7","2","9","1","1") = "8"
    & skf18("3","6","7","2","9","2","1") = "8"
    & skf18("3","6","7","2","9","3","1") = "8"
    & skf18("3","6","7","2","9","4","1") = "8"
    & skf18("3","6","7","2","9","5","1") = "8"
    & skf18("3","6","7","2","9","6","1") = "8"
    & skf18("3","6","7","2","9","7","1") = "8"
    & skf18("3","6","7","2","9","8","1") = "8"
    & skf18("3","6","7","2","9","9","1") = "8"
    & skf18("3","6","7","2","9","10","1") = "9"
    & skf18("3","6","7","2","10","1","1") = "9"
    & skf18("3","6","7","2","10","2","1") = "9"
    & skf18("3","6","7","2","10","3","1") = "9"
    & skf18("3","6","7","2","10","4","1") = "9"
    & skf18("3","6","7","2","10","5","1") = "9"
    & skf18("3","6","7","2","10","6","1") = "9"
    & skf18("3","6","7","2","10","7","1") = "9"
    & skf18("3","6","7","2","10","8","1") = "9"
    & skf18("3","6","7","2","10","9","1") = "9"
    & skf18("3","6","7","2","10","10","1") = "9"
    & skf18("3","6","7","3","1","1","1") = "6"
    & skf18("3","6","7","3","1","2","1") = "6"
    & skf18("3","6","7","3","1","3","1") = "6"
    & skf18("3","6","7","3","1","4","1") = "6"
    & skf18("3","6","7","3","1","5","1") = "6"
    & skf18("3","6","7","3","1","6","1") = "6"
    & skf18("3","6","7","3","1","7","1") = "6"
    & skf18("3","6","7","3","1","8","1") = "7"
    & skf18("3","6","7","3","1","9","1") = "8"
    & skf18("3","6","7","3","1","10","1") = "9"
    & skf18("3","6","7","3","2","1","1") = "6"
    & skf18("3","6","7","3","2","2","1") = "6"
    & skf18("3","6","7","3","2","3","1") = "6"
    & skf18("3","6","7","3","2","4","1") = "6"
    & skf18("3","6","7","3","2","5","1") = "6"
    & skf18("3","6","7","3","2","6","1") = "6"
    & skf18("3","6","7","3","2","7","1") = "6"
    & skf18("3","6","7","3","2","8","1") = "7"
    & skf18("3","6","7","3","2","9","1") = "8"
    & skf18("3","6","7","3","2","10","1") = "9"
    & skf18("3","6","7","3","3","1","1") = "6"
    & skf18("3","6","7","3","3","2","1") = "6"
    & skf18("3","6","7","3","3","3","1") = "6"
    & skf18("3","6","7","3","3","4","1") = "6"
    & skf18("3","6","7","3","3","5","1") = "6"
    & skf18("3","6","7","3","3","6","1") = "6"
    & skf18("3","6","7","3","3","7","1") = "6"
    & skf18("3","6","7","3","3","8","1") = "7"
    & skf18("3","6","7","3","3","9","1") = "8"
    & skf18("3","6","7","3","3","10","1") = "9"
    & skf18("3","6","7","3","4","1","1") = "6"
    & skf18("3","6","7","3","4","2","1") = "6"
    & skf18("3","6","7","3","4","3","1") = "6"
    & skf18("3","6","7","3","4","4","1") = "6"
    & skf18("3","6","7","3","4","5","1") = "6"
    & skf18("3","6","7","3","4","6","1") = "6"
    & skf18("3","6","7","3","4","7","1") = "6"
    & skf18("3","6","7","3","4","8","1") = "7"
    & skf18("3","6","7","3","4","9","1") = "8"
    & skf18("3","6","7","3","4","10","1") = "9"
    & skf18("3","6","7","3","5","1","1") = "6"
    & skf18("3","6","7","3","5","2","1") = "6"
    & skf18("3","6","7","3","5","3","1") = "6"
    & skf18("3","6","7","3","5","4","1") = "6"
    & skf18("3","6","7","3","5","5","1") = "6"
    & skf18("3","6","7","3","5","6","1") = "6"
    & skf18("3","6","7","3","5","7","1") = "6"
    & skf18("3","6","7","3","5","8","1") = "7"
    & skf18("3","6","7","3","5","9","1") = "8"
    & skf18("3","6","7","3","5","10","1") = "9"
    & skf18("3","6","7","3","6","1","1") = "6"
    & skf18("3","6","7","3","6","2","1") = "6"
    & skf18("3","6","7","3","6","3","1") = "6"
    & skf18("3","6","7","3","6","4","1") = "6"
    & skf18("3","6","7","3","6","5","1") = "6"
    & skf18("3","6","7","3","6","6","1") = "6"
    & skf18("3","6","7","3","6","7","1") = "6"
    & skf18("3","6","7","3","6","8","1") = "7"
    & skf18("3","6","7","3","6","9","1") = "8"
    & skf18("3","6","7","3","6","10","1") = "9"
    & skf18("3","6","7","3","7","1","1") = "6"
    & skf18("3","6","7","3","7","2","1") = "6"
    & skf18("3","6","7","3","7","3","1") = "6"
    & skf18("3","6","7","3","7","4","1") = "6"
    & skf18("3","6","7","3","7","5","1") = "6"
    & skf18("3","6","7","3","7","6","1") = "6"
    & skf18("3","6","7","3","7","7","1") = "6"
    & skf18("3","6","7","3","7","8","1") = "7"
    & skf18("3","6","7","3","7","9","1") = "8"
    & skf18("3","6","7","3","7","10","1") = "9"
    & skf18("3","6","7","3","8","1","1") = "7"
    & skf18("3","6","7","3","8","2","1") = "7"
    & skf18("3","6","7","3","8","3","1") = "7"
    & skf18("3","6","7","3","8","4","1") = "7"
    & skf18("3","6","7","3","8","5","1") = "7"
    & skf18("3","6","7","3","8","6","1") = "7"
    & skf18("3","6","7","3","8","7","1") = "7"
    & skf18("3","6","7","3","8","8","1") = "7"
    & skf18("3","6","7","3","8","9","1") = "8"
    & skf18("3","6","7","3","8","10","1") = "9"
    & skf18("3","6","7","3","9","1","1") = "8"
    & skf18("3","6","7","3","9","2","1") = "8"
    & skf18("3","6","7","3","9","3","1") = "8"
    & skf18("3","6","7","3","9","4","1") = "8"
    & skf18("3","6","7","3","9","5","1") = "8"
    & skf18("3","6","7","3","9","6","1") = "8"
    & skf18("3","6","7","3","9","7","1") = "8"
    & skf18("3","6","7","3","9","8","1") = "8"
    & skf18("3","6","7","3","9","9","1") = "8"
    & skf18("3","6","7","3","9","10","1") = "9"
    & skf18("3","6","7","3","10","1","1") = "9"
    & skf18("3","6","7","3","10","2","1") = "9"
    & skf18("3","6","7","3","10","3","1") = "9"
    & skf18("3","6","7","3","10","4","1") = "9"
    & skf18("3","6","7","3","10","5","1") = "9"
    & skf18("3","6","7","3","10","6","1") = "9"
    & skf18("3","6","7","3","10","7","1") = "9"
    & skf18("3","6","7","3","10","8","1") = "9"
    & skf18("3","6","7","3","10","9","1") = "9"
    & skf18("3","6","7","3","10","10","1") = "9"
    & skf18("3","6","7","4","1","1","1") = "6"
    & skf18("3","6","7","4","1","2","1") = "6"
    & skf18("3","6","7","4","1","3","1") = "6"
    & skf18("3","6","7","4","1","4","1") = "6"
    & skf18("3","6","7","4","1","5","1") = "6"
    & skf18("3","6","7","4","1","6","1") = "6"
    & skf18("3","6","7","4","1","7","1") = "6"
    & skf18("3","6","7","4","1","8","1") = "7"
    & skf18("3","6","7","4","1","9","1") = "8"
    & skf18("3","6","7","4","1","10","1") = "9"
    & skf18("3","6","7","4","2","1","1") = "6"
    & skf18("3","6","7","4","2","2","1") = "6"
    & skf18("3","6","7","4","2","3","1") = "6"
    & skf18("3","6","7","4","2","4","1") = "6"
    & skf18("3","6","7","4","2","5","1") = "6"
    & skf18("3","6","7","4","2","6","1") = "6"
    & skf18("3","6","7","4","2","7","1") = "6"
    & skf18("3","6","7","4","2","8","1") = "7"
    & skf18("3","6","7","4","2","9","1") = "8"
    & skf18("3","6","7","4","2","10","1") = "9"
    & skf18("3","6","7","4","3","1","1") = "6"
    & skf18("3","6","7","4","3","2","1") = "6"
    & skf18("3","6","7","4","3","3","1") = "6"
    & skf18("3","6","7","4","3","4","1") = "6"
    & skf18("3","6","7","4","3","5","1") = "6"
    & skf18("3","6","7","4","3","6","1") = "6"
    & skf18("3","6","7","4","3","7","1") = "6"
    & skf18("3","6","7","4","3","8","1") = "7"
    & skf18("3","6","7","4","3","9","1") = "8"
    & skf18("3","6","7","4","3","10","1") = "9"
    & skf18("3","6","7","4","4","1","1") = "6"
    & skf18("3","6","7","4","4","2","1") = "6"
    & skf18("3","6","7","4","4","3","1") = "6"
    & skf18("3","6","7","4","4","4","1") = "6"
    & skf18("3","6","7","4","4","5","1") = "6"
    & skf18("3","6","7","4","4","6","1") = "6"
    & skf18("3","6","7","4","4","7","1") = "6"
    & skf18("3","6","7","4","4","8","1") = "7"
    & skf18("3","6","7","4","4","9","1") = "8"
    & skf18("3","6","7","4","4","10","1") = "9"
    & skf18("3","6","7","4","5","1","1") = "6"
    & skf18("3","6","7","4","5","2","1") = "6"
    & skf18("3","6","7","4","5","3","1") = "6"
    & skf18("3","6","7","4","5","4","1") = "6"
    & skf18("3","6","7","4","5","5","1") = "6"
    & skf18("3","6","7","4","5","6","1") = "6"
    & skf18("3","6","7","4","5","7","1") = "6"
    & skf18("3","6","7","4","5","8","1") = "7"
    & skf18("3","6","7","4","5","9","1") = "8"
    & skf18("3","6","7","4","5","10","1") = "9"
    & skf18("3","6","7","4","6","1","1") = "6"
    & skf18("3","6","7","4","6","2","1") = "6"
    & skf18("3","6","7","4","6","3","1") = "6"
    & skf18("3","6","7","4","6","4","1") = "6"
    & skf18("3","6","7","4","6","5","1") = "6"
    & skf18("3","6","7","4","6","6","1") = "6"
    & skf18("3","6","7","4","6","7","1") = "6"
    & skf18("3","6","7","4","6","8","1") = "7"
    & skf18("3","6","7","4","6","9","1") = "8"
    & skf18("3","6","7","4","6","10","1") = "9"
    & skf18("3","6","7","4","7","1","1") = "6"
    & skf18("3","6","7","4","7","2","1") = "6"
    & skf18("3","6","7","4","7","3","1") = "6"
    & skf18("3","6","7","4","7","4","1") = "6"
    & skf18("3","6","7","4","7","5","1") = "6"
    & skf18("3","6","7","4","7","6","1") = "6"
    & skf18("3","6","7","4","7","7","1") = "6"
    & skf18("3","6","7","4","7","8","1") = "7"
    & skf18("3","6","7","4","7","9","1") = "8"
    & skf18("3","6","7","4","7","10","1") = "9"
    & skf18("3","6","7","4","8","1","1") = "7"
    & skf18("3","6","7","4","8","2","1") = "7"
    & skf18("3","6","7","4","8","3","1") = "7"
    & skf18("3","6","7","4","8","4","1") = "7"
    & skf18("3","6","7","4","8","5","1") = "7"
    & skf18("3","6","7","4","8","6","1") = "7"
    & skf18("3","6","7","4","8","7","1") = "7"
    & skf18("3","6","7","4","8","8","1") = "7"
    & skf18("3","6","7","4","8","9","1") = "8"
    & skf18("3","6","7","4","8","10","1") = "9"
    & skf18("3","6","7","4","9","1","1") = "8"
    & skf18("3","6","7","4","9","2","1") = "8"
    & skf18("3","6","7","4","9","3","1") = "8"
    & skf18("3","6","7","4","9","4","1") = "8"
    & skf18("3","6","7","4","9","5","1") = "8"
    & skf18("3","6","7","4","9","6","1") = "8"
    & skf18("3","6","7","4","9","7","1") = "8"
    & skf18("3","6","7","4","9","8","1") = "8"
    & skf18("3","6","7","4","9","9","1") = "8"
    & skf18("3","6","7","4","9","10","1") = "9"
    & skf18("3","6","7","4","10","1","1") = "9"
    & skf18("3","6","7","4","10","2","1") = "9"
    & skf18("3","6","7","4","10","3","1") = "9"
    & skf18("3","6","7","4","10","4","1") = "9"
    & skf18("3","6","7","4","10","5","1") = "9"
    & skf18("3","6","7","4","10","6","1") = "9"
    & skf18("3","6","7","4","10","7","1") = "9"
    & skf18("3","6","7","4","10","8","1") = "9"
    & skf18("3","6","7","4","10","9","1") = "9"
    & skf18("3","6","7","4","10","10","1") = "9"
    & skf18("3","6","7","5","1","1","1") = "6"
    & skf18("3","6","7","5","1","2","1") = "6"
    & skf18("3","6","7","5","1","3","1") = "6"
    & skf18("3","6","7","5","1","4","1") = "6"
    & skf18("3","6","7","5","1","5","1") = "6"
    & skf18("3","6","7","5","1","6","1") = "6"
    & skf18("3","6","7","5","1","7","1") = "6"
    & skf18("3","6","7","5","1","8","1") = "7"
    & skf18("3","6","7","5","1","9","1") = "8"
    & skf18("3","6","7","5","1","10","1") = "9"
    & skf18("3","6","7","5","2","1","1") = "6"
    & skf18("3","6","7","5","2","2","1") = "6"
    & skf18("3","6","7","5","2","3","1") = "6"
    & skf18("3","6","7","5","2","4","1") = "6"
    & skf18("3","6","7","5","2","5","1") = "6"
    & skf18("3","6","7","5","2","6","1") = "6"
    & skf18("3","6","7","5","2","7","1") = "6"
    & skf18("3","6","7","5","2","8","1") = "7"
    & skf18("3","6","7","5","2","9","1") = "8"
    & skf18("3","6","7","5","2","10","1") = "9"
    & skf18("3","6","7","5","3","1","1") = "6"
    & skf18("3","6","7","5","3","2","1") = "6"
    & skf18("3","6","7","5","3","3","1") = "6"
    & skf18("3","6","7","5","3","4","1") = "6"
    & skf18("3","6","7","5","3","5","1") = "6"
    & skf18("3","6","7","5","3","6","1") = "6"
    & skf18("3","6","7","5","3","7","1") = "6"
    & skf18("3","6","7","5","3","8","1") = "7"
    & skf18("3","6","7","5","3","9","1") = "8"
    & skf18("3","6","7","5","3","10","1") = "9"
    & skf18("3","6","7","5","4","1","1") = "6"
    & skf18("3","6","7","5","4","2","1") = "6"
    & skf18("3","6","7","5","4","3","1") = "6"
    & skf18("3","6","7","5","4","4","1") = "6"
    & skf18("3","6","7","5","4","5","1") = "6"
    & skf18("3","6","7","5","4","6","1") = "6"
    & skf18("3","6","7","5","4","7","1") = "6"
    & skf18("3","6","7","5","4","8","1") = "7"
    & skf18("3","6","7","5","4","9","1") = "8"
    & skf18("3","6","7","5","4","10","1") = "9"
    & skf18("3","6","7","5","5","1","1") = "6"
    & skf18("3","6","7","5","5","2","1") = "6"
    & skf18("3","6","7","5","5","3","1") = "6"
    & skf18("3","6","7","5","5","4","1") = "6"
    & skf18("3","6","7","5","5","5","1") = "6"
    & skf18("3","6","7","5","5","6","1") = "6"
    & skf18("3","6","7","5","5","7","1") = "6"
    & skf18("3","6","7","5","5","8","1") = "7"
    & skf18("3","6","7","5","5","9","1") = "8"
    & skf18("3","6","7","5","5","10","1") = "9"
    & skf18("3","6","7","5","6","1","1") = "6"
    & skf18("3","6","7","5","6","2","1") = "6"
    & skf18("3","6","7","5","6","3","1") = "6"
    & skf18("3","6","7","5","6","4","1") = "6"
    & skf18("3","6","7","5","6","5","1") = "6"
    & skf18("3","6","7","5","6","6","1") = "6"
    & skf18("3","6","7","5","6","7","1") = "6"
    & skf18("3","6","7","5","6","8","1") = "7"
    & skf18("3","6","7","5","6","9","1") = "8"
    & skf18("3","6","7","5","6","10","1") = "9"
    & skf18("3","6","7","5","7","1","1") = "6"
    & skf18("3","6","7","5","7","2","1") = "6"
    & skf18("3","6","7","5","7","3","1") = "6"
    & skf18("3","6","7","5","7","4","1") = "6"
    & skf18("3","6","7","5","7","5","1") = "6"
    & skf18("3","6","7","5","7","6","1") = "6"
    & skf18("3","6","7","5","7","7","1") = "6"
    & skf18("3","6","7","5","7","8","1") = "7"
    & skf18("3","6","7","5","7","9","1") = "8"
    & skf18("3","6","7","5","7","10","1") = "9"
    & skf18("3","6","7","5","8","1","1") = "7"
    & skf18("3","6","7","5","8","2","1") = "7"
    & skf18("3","6","7","5","8","3","1") = "7"
    & skf18("3","6","7","5","8","4","1") = "7"
    & skf18("3","6","7","5","8","5","1") = "7"
    & skf18("3","6","7","5","8","6","1") = "7"
    & skf18("3","6","7","5","8","7","1") = "7"
    & skf18("3","6","7","5","8","8","1") = "7"
    & skf18("3","6","7","5","8","9","1") = "8"
    & skf18("3","6","7","5","8","10","1") = "9"
    & skf18("3","6","7","5","9","1","1") = "8"
    & skf18("3","6","7","5","9","2","1") = "8"
    & skf18("3","6","7","5","9","3","1") = "8"
    & skf18("3","6","7","5","9","4","1") = "8"
    & skf18("3","6","7","5","9","5","1") = "8"
    & skf18("3","6","7","5","9","6","1") = "8"
    & skf18("3","6","7","5","9","7","1") = "8"
    & skf18("3","6","7","5","9","8","1") = "8"
    & skf18("3","6","7","5","9","9","1") = "8"
    & skf18("3","6","7","5","9","10","1") = "9"
    & skf18("3","6","7","5","10","1","1") = "9"
    & skf18("3","6","7","5","10","2","1") = "9"
    & skf18("3","6","7","5","10","3","1") = "9"
    & skf18("3","6","7","5","10","4","1") = "9"
    & skf18("3","6","7","5","10","5","1") = "9"
    & skf18("3","6","7","5","10","6","1") = "9"
    & skf18("3","6","7","5","10","7","1") = "9"
    & skf18("3","6","7","5","10","8","1") = "9"
    & skf18("3","6","7","5","10","9","1") = "9"
    & skf18("3","6","7","5","10","10","1") = "9"
    & skf18("3","6","7","6","1","1","1") = "6"
    & skf18("3","6","7","6","1","2","1") = "6"
    & skf18("3","6","7","6","1","3","1") = "6"
    & skf18("3","6","7","6","1","4","1") = "6"
    & skf18("3","6","7","6","1","5","1") = "6"
    & skf18("3","6","7","6","1","6","1") = "6"
    & skf18("3","6","7","6","1","7","1") = "6"
    & skf18("3","6","7","6","1","8","1") = "7"
    & skf18("3","6","7","6","1","9","1") = "8"
    & skf18("3","6","7","6","1","10","1") = "9"
    & skf18("3","6","7","6","2","1","1") = "6"
    & skf18("3","6","7","6","2","2","1") = "6"
    & skf18("3","6","7","6","2","3","1") = "6"
    & skf18("3","6","7","6","2","4","1") = "6"
    & skf18("3","6","7","6","2","5","1") = "6"
    & skf18("3","6","7","6","2","6","1") = "6"
    & skf18("3","6","7","6","2","7","1") = "6"
    & skf18("3","6","7","6","2","8","1") = "7"
    & skf18("3","6","7","6","2","9","1") = "8"
    & skf18("3","6","7","6","2","10","1") = "9"
    & skf18("3","6","7","6","3","1","1") = "6"
    & skf18("3","6","7","6","3","2","1") = "6"
    & skf18("3","6","7","6","3","3","1") = "6"
    & skf18("3","6","7","6","3","4","1") = "6"
    & skf18("3","6","7","6","3","5","1") = "6"
    & skf18("3","6","7","6","3","6","1") = "6"
    & skf18("3","6","7","6","3","7","1") = "6"
    & skf18("3","6","7","6","3","8","1") = "7"
    & skf18("3","6","7","6","3","9","1") = "8"
    & skf18("3","6","7","6","3","10","1") = "9"
    & skf18("3","6","7","6","4","1","1") = "6"
    & skf18("3","6","7","6","4","2","1") = "6"
    & skf18("3","6","7","6","4","3","1") = "6"
    & skf18("3","6","7","6","4","4","1") = "6"
    & skf18("3","6","7","6","4","5","1") = "6"
    & skf18("3","6","7","6","4","6","1") = "6"
    & skf18("3","6","7","6","4","7","1") = "6"
    & skf18("3","6","7","6","4","8","1") = "7"
    & skf18("3","6","7","6","4","9","1") = "8"
    & skf18("3","6","7","6","4","10","1") = "9"
    & skf18("3","6","7","6","5","1","1") = "6"
    & skf18("3","6","7","6","5","2","1") = "6"
    & skf18("3","6","7","6","5","3","1") = "6"
    & skf18("3","6","7","6","5","4","1") = "6"
    & skf18("3","6","7","6","5","5","1") = "6"
    & skf18("3","6","7","6","5","6","1") = "6"
    & skf18("3","6","7","6","5","7","1") = "6"
    & skf18("3","6","7","6","5","8","1") = "7"
    & skf18("3","6","7","6","5","9","1") = "8"
    & skf18("3","6","7","6","5","10","1") = "9"
    & skf18("3","6","7","6","6","1","1") = "6"
    & skf18("3","6","7","6","6","2","1") = "6"
    & skf18("3","6","7","6","6","3","1") = "6"
    & skf18("3","6","7","6","6","4","1") = "6"
    & skf18("3","6","7","6","6","5","1") = "6"
    & skf18("3","6","7","6","6","6","1") = "6"
    & skf18("3","6","7","6","6","7","1") = "6"
    & skf18("3","6","7","6","6","8","1") = "7"
    & skf18("3","6","7","6","6","9","1") = "8"
    & skf18("3","6","7","6","6","10","1") = "9"
    & skf18("3","6","7","6","7","1","1") = "6"
    & skf18("3","6","7","6","7","2","1") = "6"
    & skf18("3","6","7","6","7","3","1") = "6"
    & skf18("3","6","7","6","7","4","1") = "6"
    & skf18("3","6","7","6","7","5","1") = "6"
    & skf18("3","6","7","6","7","6","1") = "6"
    & skf18("3","6","7","6","7","7","1") = "6"
    & skf18("3","6","7","6","7","8","1") = "7"
    & skf18("3","6","7","6","7","9","1") = "8"
    & skf18("3","6","7","6","7","10","1") = "9"
    & skf18("3","6","7","6","8","1","1") = "7"
    & skf18("3","6","7","6","8","2","1") = "7"
    & skf18("3","6","7","6","8","3","1") = "7"
    & skf18("3","6","7","6","8","4","1") = "7"
    & skf18("3","6","7","6","8","5","1") = "7"
    & skf18("3","6","7","6","8","6","1") = "7"
    & skf18("3","6","7","6","8","7","1") = "7"
    & skf18("3","6","7","6","8","8","1") = "7"
    & skf18("3","6","7","6","8","9","1") = "8"
    & skf18("3","6","7","6","8","10","1") = "9"
    & skf18("3","6","7","6","9","1","1") = "8"
    & skf18("3","6","7","6","9","2","1") = "8"
    & skf18("3","6","7","6","9","3","1") = "8"
    & skf18("3","6","7","6","9","4","1") = "8"
    & skf18("3","6","7","6","9","5","1") = "8"
    & skf18("3","6","7","6","9","6","1") = "8"
    & skf18("3","6","7","6","9","7","1") = "8"
    & skf18("3","6","7","6","9","8","1") = "8"
    & skf18("3","6","7","6","9","9","1") = "8"
    & skf18("3","6","7","6","9","10","1") = "9"
    & skf18("3","6","7","6","10","1","1") = "9"
    & skf18("3","6","7","6","10","2","1") = "9"
    & skf18("3","6","7","6","10","3","1") = "9"
    & skf18("3","6","7","6","10","4","1") = "9"
    & skf18("3","6","7","6","10","5","1") = "9"
    & skf18("3","6","7","6","10","6","1") = "9"
    & skf18("3","6","7","6","10","7","1") = "9"
    & skf18("3","6","7","6","10","8","1") = "9"
    & skf18("3","6","7","6","10","9","1") = "9"
    & skf18("3","6","7","6","10","10","1") = "9"
    & skf18("3","6","7","7","1","1","1") = "6"
    & skf18("3","6","7","7","1","2","1") = "6"
    & skf18("3","6","7","7","1","3","1") = "6"
    & skf18("3","6","7","7","1","4","1") = "6"
    & skf18("3","6","7","7","1","5","1") = "6"
    & skf18("3","6","7","7","1","6","1") = "6"
    & skf18("3","6","7","7","1","7","1") = "6"
    & skf18("3","6","7","7","1","8","1") = "7"
    & skf18("3","6","7","7","1","9","1") = "8"
    & skf18("3","6","7","7","1","10","1") = "9"
    & skf18("3","6","7","7","2","1","1") = "6"
    & skf18("3","6","7","7","2","2","1") = "6"
    & skf18("3","6","7","7","2","3","1") = "6"
    & skf18("3","6","7","7","2","4","1") = "6"
    & skf18("3","6","7","7","2","5","1") = "6"
    & skf18("3","6","7","7","2","6","1") = "6"
    & skf18("3","6","7","7","2","7","1") = "6"
    & skf18("3","6","7","7","2","8","1") = "7"
    & skf18("3","6","7","7","2","9","1") = "8"
    & skf18("3","6","7","7","2","10","1") = "9"
    & skf18("3","6","7","7","3","1","1") = "6"
    & skf18("3","6","7","7","3","2","1") = "6"
    & skf18("3","6","7","7","3","3","1") = "6"
    & skf18("3","6","7","7","3","4","1") = "6"
    & skf18("3","6","7","7","3","5","1") = "6"
    & skf18("3","6","7","7","3","6","1") = "6"
    & skf18("3","6","7","7","3","7","1") = "6"
    & skf18("3","6","7","7","3","8","1") = "7"
    & skf18("3","6","7","7","3","9","1") = "8"
    & skf18("3","6","7","7","3","10","1") = "9"
    & skf18("3","6","7","7","4","1","1") = "6"
    & skf18("3","6","7","7","4","2","1") = "6"
    & skf18("3","6","7","7","4","3","1") = "6"
    & skf18("3","6","7","7","4","4","1") = "6"
    & skf18("3","6","7","7","4","5","1") = "6"
    & skf18("3","6","7","7","4","6","1") = "6"
    & skf18("3","6","7","7","4","7","1") = "6"
    & skf18("3","6","7","7","4","8","1") = "7"
    & skf18("3","6","7","7","4","9","1") = "8"
    & skf18("3","6","7","7","4","10","1") = "9"
    & skf18("3","6","7","7","5","1","1") = "6"
    & skf18("3","6","7","7","5","2","1") = "6"
    & skf18("3","6","7","7","5","3","1") = "6"
    & skf18("3","6","7","7","5","4","1") = "6"
    & skf18("3","6","7","7","5","5","1") = "6"
    & skf18("3","6","7","7","5","6","1") = "6"
    & skf18("3","6","7","7","5","7","1") = "6"
    & skf18("3","6","7","7","5","8","1") = "7"
    & skf18("3","6","7","7","5","9","1") = "8"
    & skf18("3","6","7","7","5","10","1") = "9"
    & skf18("3","6","7","7","6","1","1") = "6"
    & skf18("3","6","7","7","6","2","1") = "6"
    & skf18("3","6","7","7","6","3","1") = "6"
    & skf18("3","6","7","7","6","4","1") = "6"
    & skf18("3","6","7","7","6","5","1") = "6"
    & skf18("3","6","7","7","6","6","1") = "6"
    & skf18("3","6","7","7","6","7","1") = "6"
    & skf18("3","6","7","7","6","8","1") = "7"
    & skf18("3","6","7","7","6","9","1") = "8"
    & skf18("3","6","7","7","6","10","1") = "9"
    & skf18("3","6","7","7","7","1","1") = "6"
    & skf18("3","6","7","7","7","2","1") = "6"
    & skf18("3","6","7","7","7","3","1") = "6"
    & skf18("3","6","7","7","7","4","1") = "6"
    & skf18("3","6","7","7","7","5","1") = "6"
    & skf18("3","6","7","7","7","6","1") = "6"
    & skf18("3","6","7","7","7","7","1") = "6"
    & skf18("3","6","7","7","7","8","1") = "7"
    & skf18("3","6","7","7","7","9","1") = "8"
    & skf18("3","6","7","7","7","10","1") = "9"
    & skf18("3","6","7","7","8","1","1") = "7"
    & skf18("3","6","7","7","8","2","1") = "7"
    & skf18("3","6","7","7","8","3","1") = "7"
    & skf18("3","6","7","7","8","4","1") = "7"
    & skf18("3","6","7","7","8","5","1") = "7"
    & skf18("3","6","7","7","8","6","1") = "7"
    & skf18("3","6","7","7","8","7","1") = "7"
    & skf18("3","6","7","7","8","8","1") = "7"
    & skf18("3","6","7","7","8","9","1") = "8"
    & skf18("3","6","7","7","8","10","1") = "9"
    & skf18("3","6","7","7","9","1","1") = "8"
    & skf18("3","6","7","7","9","2","1") = "8"
    & skf18("3","6","7","7","9","3","1") = "8"
    & skf18("3","6","7","7","9","4","1") = "8"
    & skf18("3","6","7","7","9","5","1") = "8"
    & skf18("3","6","7","7","9","6","1") = "8"
    & skf18("3","6","7","7","9","7","1") = "8"
    & skf18("3","6","7","7","9","8","1") = "8"
    & skf18("3","6","7","7","9","9","1") = "8"
    & skf18("3","6","7","7","9","10","1") = "9"
    & skf18("3","6","7","7","10","1","1") = "9"
    & skf18("3","6","7","7","10","2","1") = "9"
    & skf18("3","6","7","7","10","3","1") = "9"
    & skf18("3","6","7","7","10","4","1") = "9"
    & skf18("3","6","7","7","10","5","1") = "9"
    & skf18("3","6","7","7","10","6","1") = "9"
    & skf18("3","6","7","7","10","7","1") = "9"
    & skf18("3","6","7","7","10","8","1") = "9"
    & skf18("3","6","7","7","10","9","1") = "9"
    & skf18("3","6","7","7","10","10","1") = "9"
    & skf18("3","6","7","8","1","1","1") = "7"
    & skf18("3","6","7","8","1","2","1") = "7"
    & skf18("3","6","7","8","1","3","1") = "7"
    & skf18("3","6","7","8","1","4","1") = "7"
    & skf18("3","6","7","8","1","5","1") = "7"
    & skf18("3","6","7","8","1","6","1") = "7"
    & skf18("3","6","7","8","1","7","1") = "7"
    & skf18("3","6","7","8","1","8","1") = "7"
    & skf18("3","6","7","8","1","9","1") = "8"
    & skf18("3","6","7","8","1","10","1") = "9"
    & skf18("3","6","7","8","2","1","1") = "7"
    & skf18("3","6","7","8","2","2","1") = "7"
    & skf18("3","6","7","8","2","3","1") = "7"
    & skf18("3","6","7","8","2","4","1") = "7"
    & skf18("3","6","7","8","2","5","1") = "7"
    & skf18("3","6","7","8","2","6","1") = "7"
    & skf18("3","6","7","8","2","7","1") = "7"
    & skf18("3","6","7","8","2","8","1") = "7"
    & skf18("3","6","7","8","2","9","1") = "8"
    & skf18("3","6","7","8","2","10","1") = "9"
    & skf18("3","6","7","8","3","1","1") = "7"
    & skf18("3","6","7","8","3","2","1") = "7"
    & skf18("3","6","7","8","3","3","1") = "7"
    & skf18("3","6","7","8","3","4","1") = "7"
    & skf18("3","6","7","8","3","5","1") = "7"
    & skf18("3","6","7","8","3","6","1") = "7"
    & skf18("3","6","7","8","3","7","1") = "7"
    & skf18("3","6","7","8","3","8","1") = "7"
    & skf18("3","6","7","8","3","9","1") = "8"
    & skf18("3","6","7","8","3","10","1") = "9"
    & skf18("3","6","7","8","4","1","1") = "7"
    & skf18("3","6","7","8","4","2","1") = "7"
    & skf18("3","6","7","8","4","3","1") = "7"
    & skf18("3","6","7","8","4","4","1") = "7"
    & skf18("3","6","7","8","4","5","1") = "7"
    & skf18("3","6","7","8","4","6","1") = "7"
    & skf18("3","6","7","8","4","7","1") = "7"
    & skf18("3","6","7","8","4","8","1") = "7"
    & skf18("3","6","7","8","4","9","1") = "8"
    & skf18("3","6","7","8","4","10","1") = "9"
    & skf18("3","6","7","8","5","1","1") = "7"
    & skf18("3","6","7","8","5","2","1") = "7"
    & skf18("3","6","7","8","5","3","1") = "7"
    & skf18("3","6","7","8","5","4","1") = "7"
    & skf18("3","6","7","8","5","5","1") = "7"
    & skf18("3","6","7","8","5","6","1") = "7"
    & skf18("3","6","7","8","5","7","1") = "7"
    & skf18("3","6","7","8","5","8","1") = "7"
    & skf18("3","6","7","8","5","9","1") = "8"
    & skf18("3","6","7","8","5","10","1") = "9"
    & skf18("3","6","7","8","6","1","1") = "7"
    & skf18("3","6","7","8","6","2","1") = "7"
    & skf18("3","6","7","8","6","3","1") = "7"
    & skf18("3","6","7","8","6","4","1") = "7"
    & skf18("3","6","7","8","6","5","1") = "7"
    & skf18("3","6","7","8","6","6","1") = "7"
    & skf18("3","6","7","8","6","7","1") = "7"
    & skf18("3","6","7","8","6","8","1") = "7"
    & skf18("3","6","7","8","6","9","1") = "8"
    & skf18("3","6","7","8","6","10","1") = "9"
    & skf18("3","6","7","8","7","1","1") = "7"
    & skf18("3","6","7","8","7","2","1") = "7"
    & skf18("3","6","7","8","7","3","1") = "7"
    & skf18("3","6","7","8","7","4","1") = "7"
    & skf18("3","6","7","8","7","5","1") = "7"
    & skf18("3","6","7","8","7","6","1") = "7"
    & skf18("3","6","7","8","7","7","1") = "7"
    & skf18("3","6","7","8","7","8","1") = "7"
    & skf18("3","6","7","8","7","9","1") = "8"
    & skf18("3","6","7","8","7","10","1") = "9"
    & skf18("3","6","7","8","8","1","1") = "7"
    & skf18("3","6","7","8","8","2","1") = "7"
    & skf18("3","6","7","8","8","3","1") = "7"
    & skf18("3","6","7","8","8","4","1") = "7"
    & skf18("3","6","7","8","8","5","1") = "7"
    & skf18("3","6","7","8","8","6","1") = "7"
    & skf18("3","6","7","8","8","7","1") = "7"
    & skf18("3","6","7","8","8","8","1") = "7"
    & skf18("3","6","7","8","8","9","1") = "8"
    & skf18("3","6","7","8","8","10","1") = "9"
    & skf18("3","6","7","8","9","1","1") = "8"
    & skf18("3","6","7","8","9","2","1") = "8"
    & skf18("3","6","7","8","9","3","1") = "8"
    & skf18("3","6","7","8","9","4","1") = "8"
    & skf18("3","6","7","8","9","5","1") = "8"
    & skf18("3","6","7","8","9","6","1") = "8"
    & skf18("3","6","7","8","9","7","1") = "8"
    & skf18("3","6","7","8","9","8","1") = "8"
    & skf18("3","6","7","8","9","9","1") = "8"
    & skf18("3","6","7","8","9","10","1") = "9"
    & skf18("3","6","7","8","10","1","1") = "9"
    & skf18("3","6","7","8","10","2","1") = "9"
    & skf18("3","6","7","8","10","3","1") = "9"
    & skf18("3","6","7","8","10","4","1") = "9"
    & skf18("3","6","7","8","10","5","1") = "9"
    & skf18("3","6","7","8","10","6","1") = "9"
    & skf18("3","6","7","8","10","7","1") = "9"
    & skf18("3","6","7","8","10","8","1") = "9"
    & skf18("3","6","7","8","10","9","1") = "9"
    & skf18("3","6","7","8","10","10","1") = "9"
    & skf18("3","6","7","9","1","1","1") = "8"
    & skf18("3","6","7","9","1","2","1") = "8"
    & skf18("3","6","7","9","1","3","1") = "8"
    & skf18("3","6","7","9","1","4","1") = "8"
    & skf18("3","6","7","9","1","5","1") = "8"
    & skf18("3","6","7","9","1","6","1") = "8"
    & skf18("3","6","7","9","1","7","1") = "8"
    & skf18("3","6","7","9","1","8","1") = "8"
    & skf18("3","6","7","9","1","9","1") = "8"
    & skf18("3","6","7","9","1","10","1") = "9"
    & skf18("3","6","7","9","2","1","1") = "8"
    & skf18("3","6","7","9","2","2","1") = "8"
    & skf18("3","6","7","9","2","3","1") = "8"
    & skf18("3","6","7","9","2","4","1") = "8"
    & skf18("3","6","7","9","2","5","1") = "8"
    & skf18("3","6","7","9","2","6","1") = "8"
    & skf18("3","6","7","9","2","7","1") = "8"
    & skf18("3","6","7","9","2","8","1") = "8"
    & skf18("3","6","7","9","2","9","1") = "8"
    & skf18("3","6","7","9","2","10","1") = "9"
    & skf18("3","6","7","9","3","1","1") = "8"
    & skf18("3","6","7","9","3","2","1") = "8"
    & skf18("3","6","7","9","3","3","1") = "8"
    & skf18("3","6","7","9","3","4","1") = "8"
    & skf18("3","6","7","9","3","5","1") = "8"
    & skf18("3","6","7","9","3","6","1") = "8"
    & skf18("3","6","7","9","3","7","1") = "8"
    & skf18("3","6","7","9","3","8","1") = "8"
    & skf18("3","6","7","9","3","9","1") = "8"
    & skf18("3","6","7","9","3","10","1") = "9"
    & skf18("3","6","7","9","4","1","1") = "8"
    & skf18("3","6","7","9","4","2","1") = "8"
    & skf18("3","6","7","9","4","3","1") = "8"
    & skf18("3","6","7","9","4","4","1") = "8"
    & skf18("3","6","7","9","4","5","1") = "8"
    & skf18("3","6","7","9","4","6","1") = "8"
    & skf18("3","6","7","9","4","7","1") = "8"
    & skf18("3","6","7","9","4","8","1") = "8"
    & skf18("3","6","7","9","4","9","1") = "8"
    & skf18("3","6","7","9","4","10","1") = "9"
    & skf18("3","6","7","9","5","1","1") = "8"
    & skf18("3","6","7","9","5","2","1") = "8"
    & skf18("3","6","7","9","5","3","1") = "8"
    & skf18("3","6","7","9","5","4","1") = "8"
    & skf18("3","6","7","9","5","5","1") = "8"
    & skf18("3","6","7","9","5","6","1") = "8"
    & skf18("3","6","7","9","5","7","1") = "8"
    & skf18("3","6","7","9","5","8","1") = "8"
    & skf18("3","6","7","9","5","9","1") = "8"
    & skf18("3","6","7","9","5","10","1") = "9"
    & skf18("3","6","7","9","6","1","1") = "8"
    & skf18("3","6","7","9","6","2","1") = "8"
    & skf18("3","6","7","9","6","3","1") = "8"
    & skf18("3","6","7","9","6","4","1") = "8"
    & skf18("3","6","7","9","6","5","1") = "8"
    & skf18("3","6","7","9","6","6","1") = "8"
    & skf18("3","6","7","9","6","7","1") = "8"
    & skf18("3","6","7","9","6","8","1") = "8"
    & skf18("3","6","7","9","6","9","1") = "8"
    & skf18("3","6","7","9","6","10","1") = "9"
    & skf18("3","6","7","9","7","1","1") = "8"
    & skf18("3","6","7","9","7","2","1") = "8"
    & skf18("3","6","7","9","7","3","1") = "8"
    & skf18("3","6","7","9","7","4","1") = "8"
    & skf18("3","6","7","9","7","5","1") = "8"
    & skf18("3","6","7","9","7","6","1") = "8"
    & skf18("3","6","7","9","7","7","1") = "8"
    & skf18("3","6","7","9","7","8","1") = "8"
    & skf18("3","6","7","9","7","9","1") = "8"
    & skf18("3","6","7","9","7","10","1") = "9"
    & skf18("3","6","7","9","8","1","1") = "8"
    & skf18("3","6","7","9","8","2","1") = "8"
    & skf18("3","6","7","9","8","3","1") = "8"
    & skf18("3","6","7","9","8","4","1") = "8"
    & skf18("3","6","7","9","8","5","1") = "8"
    & skf18("3","6","7","9","8","6","1") = "8"
    & skf18("3","6","7","9","8","7","1") = "8"
    & skf18("3","6","7","9","8","8","1") = "8"
    & skf18("3","6","7","9","8","9","1") = "8"
    & skf18("3","6","7","9","8","10","1") = "9"
    & skf18("3","6","7","9","9","1","1") = "8"
    & skf18("3","6","7","9","9","2","1") = "8"
    & skf18("3","6","7","9","9","3","1") = "8"
    & skf18("3","6","7","9","9","4","1") = "8"
    & skf18("3","6","7","9","9","5","1") = "8"
    & skf18("3","6","7","9","9","6","1") = "8"
    & skf18("3","6","7","9","9","7","1") = "8"
    & skf18("3","6","7","9","9","8","1") = "8"
    & skf18("3","6","7","9","9","9","1") = "8"
    & skf18("3","6","7","9","9","10","1") = "9"
    & skf18("3","6","7","9","10","1","1") = "9"
    & skf18("3","6","7","9","10","2","1") = "9"
    & skf18("3","6","7","9","10","3","1") = "9"
    & skf18("3","6","7","9","10","4","1") = "9"
    & skf18("3","6","7","9","10","5","1") = "9"
    & skf18("3","6","7","9","10","6","1") = "9"
    & skf18("3","6","7","9","10","7","1") = "9"
    & skf18("3","6","7","9","10","8","1") = "9"
    & skf18("3","6","7","9","10","9","1") = "9"
    & skf18("3","6","7","9","10","10","1") = "9"
    & skf18("3","6","7","10","1","1","1") = "9"
    & skf18("3","6","7","10","1","2","1") = "9"
    & skf18("3","6","7","10","1","3","1") = "9"
    & skf18("3","6","7","10","1","4","1") = "9"
    & skf18("3","6","7","10","1","5","1") = "9"
    & skf18("3","6","7","10","1","6","1") = "9"
    & skf18("3","6","7","10","1","7","1") = "9"
    & skf18("3","6","7","10","1","8","1") = "9"
    & skf18("3","6","7","10","1","9","1") = "9"
    & skf18("3","6","7","10","1","10","1") = "9"
    & skf18("3","6","7","10","2","1","1") = "9"
    & skf18("3","6","7","10","2","2","1") = "9"
    & skf18("3","6","7","10","2","3","1") = "9"
    & skf18("3","6","7","10","2","4","1") = "9"
    & skf18("3","6","7","10","2","5","1") = "9"
    & skf18("3","6","7","10","2","6","1") = "9"
    & skf18("3","6","7","10","2","7","1") = "9"
    & skf18("3","6","7","10","2","8","1") = "9"
    & skf18("3","6","7","10","2","9","1") = "9"
    & skf18("3","6","7","10","2","10","1") = "9"
    & skf18("3","6","7","10","3","1","1") = "9"
    & skf18("3","6","7","10","3","2","1") = "9"
    & skf18("3","6","7","10","3","3","1") = "9"
    & skf18("3","6","7","10","3","4","1") = "9"
    & skf18("3","6","7","10","3","5","1") = "9"
    & skf18("3","6","7","10","3","6","1") = "9"
    & skf18("3","6","7","10","3","7","1") = "9"
    & skf18("3","6","7","10","3","8","1") = "9"
    & skf18("3","6","7","10","3","9","1") = "9"
    & skf18("3","6","7","10","3","10","1") = "9"
    & skf18("3","6","7","10","4","1","1") = "9"
    & skf18("3","6","7","10","4","2","1") = "9"
    & skf18("3","6","7","10","4","3","1") = "9"
    & skf18("3","6","7","10","4","4","1") = "9"
    & skf18("3","6","7","10","4","5","1") = "9"
    & skf18("3","6","7","10","4","6","1") = "9"
    & skf18("3","6","7","10","4","7","1") = "9"
    & skf18("3","6","7","10","4","8","1") = "9"
    & skf18("3","6","7","10","4","9","1") = "9"
    & skf18("3","6","7","10","4","10","1") = "9"
    & skf18("3","6","7","10","5","1","1") = "9"
    & skf18("3","6","7","10","5","2","1") = "9"
    & skf18("3","6","7","10","5","3","1") = "9"
    & skf18("3","6","7","10","5","4","1") = "9"
    & skf18("3","6","7","10","5","5","1") = "9"
    & skf18("3","6","7","10","5","6","1") = "9"
    & skf18("3","6","7","10","5","7","1") = "9"
    & skf18("3","6","7","10","5","8","1") = "9"
    & skf18("3","6","7","10","5","9","1") = "9"
    & skf18("3","6","7","10","5","10","1") = "9"
    & skf18("3","6","7","10","6","1","1") = "9"
    & skf18("3","6","7","10","6","2","1") = "9"
    & skf18("3","6","7","10","6","3","1") = "9"
    & skf18("3","6","7","10","6","4","1") = "9"
    & skf18("3","6","7","10","6","5","1") = "9"
    & skf18("3","6","7","10","6","6","1") = "9"
    & skf18("3","6","7","10","6","7","1") = "9"
    & skf18("3","6","7","10","6","8","1") = "9"
    & skf18("3","6","7","10","6","9","1") = "9"
    & skf18("3","6","7","10","6","10","1") = "9"
    & skf18("3","6","7","10","7","1","1") = "9"
    & skf18("3","6","7","10","7","2","1") = "9"
    & skf18("3","6","7","10","7","3","1") = "9"
    & skf18("3","6","7","10","7","4","1") = "9"
    & skf18("3","6","7","10","7","5","1") = "9"
    & skf18("3","6","7","10","7","6","1") = "9"
    & skf18("3","6","7","10","7","7","1") = "9"
    & skf18("3","6","7","10","7","8","1") = "9"
    & skf18("3","6","7","10","7","9","1") = "9"
    & skf18("3","6","7","10","7","10","1") = "9"
    & skf18("3","6","7","10","8","1","1") = "9"
    & skf18("3","6","7","10","8","2","1") = "9"
    & skf18("3","6","7","10","8","3","1") = "9"
    & skf18("3","6","7","10","8","4","1") = "9"
    & skf18("3","6","7","10","8","5","1") = "9"
    & skf18("3","6","7","10","8","6","1") = "9"
    & skf18("3","6","7","10","8","7","1") = "9"
    & skf18("3","6","7","10","8","8","1") = "9"
    & skf18("3","6","7","10","8","9","1") = "9"
    & skf18("3","6","7","10","8","10","1") = "9"
    & skf18("3","6","7","10","9","1","1") = "9"
    & skf18("3","6","7","10","9","2","1") = "9"
    & skf18("3","6","7","10","9","3","1") = "9"
    & skf18("3","6","7","10","9","4","1") = "9"
    & skf18("3","6","7","10","9","5","1") = "9"
    & skf18("3","6","7","10","9","6","1") = "9"
    & skf18("3","6","7","10","9","7","1") = "9"
    & skf18("3","6","7","10","9","8","1") = "9"
    & skf18("3","6","7","10","9","9","1") = "9"
    & skf18("3","6","7","10","9","10","1") = "9"
    & skf18("3","6","7","10","10","1","1") = "9"
    & skf18("3","6","7","10","10","2","1") = "9"
    & skf18("3","6","7","10","10","3","1") = "9"
    & skf18("3","6","7","10","10","4","1") = "9"
    & skf18("3","6","7","10","10","5","1") = "9"
    & skf18("3","6","7","10","10","6","1") = "9"
    & skf18("3","6","7","10","10","7","1") = "9"
    & skf18("3","6","7","10","10","8","1") = "9"
    & skf18("3","6","7","10","10","9","1") = "9"
    & skf18("3","6","7","10","10","10","1") = "9"
    & skf18("3","6","8","1","1","1","1") = "7"
    & skf18("3","6","8","1","1","2","1") = "7"
    & skf18("3","6","8","1","1","3","1") = "7"
    & skf18("3","6","8","1","1","4","1") = "7"
    & skf18("3","6","8","1","1","5","1") = "7"
    & skf18("3","6","8","1","1","6","1") = "7"
    & skf18("3","6","8","1","1","7","1") = "7"
    & skf18("3","6","8","1","1","8","1") = "7"
    & skf18("3","6","8","1","1","9","1") = "8"
    & skf18("3","6","8","1","1","10","1") = "9"
    & skf18("3","6","8","1","2","1","1") = "7"
    & skf18("3","6","8","1","2","2","1") = "7"
    & skf18("3","6","8","1","2","3","1") = "7"
    & skf18("3","6","8","1","2","4","1") = "7"
    & skf18("3","6","8","1","2","5","1") = "7"
    & skf18("3","6","8","1","2","6","1") = "7"
    & skf18("3","6","8","1","2","7","1") = "7"
    & skf18("3","6","8","1","2","8","1") = "7"
    & skf18("3","6","8","1","2","9","1") = "8"
    & skf18("3","6","8","1","2","10","1") = "9"
    & skf18("3","6","8","1","3","1","1") = "7"
    & skf18("3","6","8","1","3","2","1") = "7"
    & skf18("3","6","8","1","3","3","1") = "7"
    & skf18("3","6","8","1","3","4","1") = "7"
    & skf18("3","6","8","1","3","5","1") = "7"
    & skf18("3","6","8","1","3","6","1") = "7"
    & skf18("3","6","8","1","3","7","1") = "7"
    & skf18("3","6","8","1","3","8","1") = "7"
    & skf18("3","6","8","1","3","9","1") = "8"
    & skf18("3","6","8","1","3","10","1") = "9"
    & skf18("3","6","8","1","4","1","1") = "7"
    & skf18("3","6","8","1","4","2","1") = "7"
    & skf18("3","6","8","1","4","3","1") = "7"
    & skf18("3","6","8","1","4","4","1") = "7"
    & skf18("3","6","8","1","4","5","1") = "7"
    & skf18("3","6","8","1","4","6","1") = "7"
    & skf18("3","6","8","1","4","7","1") = "7"
    & skf18("3","6","8","1","4","8","1") = "7"
    & skf18("3","6","8","1","4","9","1") = "8"
    & skf18("3","6","8","1","4","10","1") = "9"
    & skf18("3","6","8","1","5","1","1") = "7"
    & skf18("3","6","8","1","5","2","1") = "7"
    & skf18("3","6","8","1","5","3","1") = "7"
    & skf18("3","6","8","1","5","4","1") = "7"
    & skf18("3","6","8","1","5","5","1") = "7"
    & skf18("3","6","8","1","5","6","1") = "7"
    & skf18("3","6","8","1","5","7","1") = "7"
    & skf18("3","6","8","1","5","8","1") = "7"
    & skf18("3","6","8","1","5","9","1") = "8"
    & skf18("3","6","8","1","5","10","1") = "9"
    & skf18("3","6","8","1","6","1","1") = "7"
    & skf18("3","6","8","1","6","2","1") = "7"
    & skf18("3","6","8","1","6","3","1") = "7"
    & skf18("3","6","8","1","6","4","1") = "7"
    & skf18("3","6","8","1","6","5","1") = "7"
    & skf18("3","6","8","1","6","6","1") = "7"
    & skf18("3","6","8","1","6","7","1") = "7"
    & skf18("3","6","8","1","6","8","1") = "7"
    & skf18("3","6","8","1","6","9","1") = "8"
    & skf18("3","6","8","1","6","10","1") = "9"
    & skf18("3","6","8","1","7","1","1") = "7"
    & skf18("3","6","8","1","7","2","1") = "7"
    & skf18("3","6","8","1","7","3","1") = "7"
    & skf18("3","6","8","1","7","4","1") = "7"
    & skf18("3","6","8","1","7","5","1") = "7"
    & skf18("3","6","8","1","7","6","1") = "7"
    & skf18("3","6","8","1","7","7","1") = "7"
    & skf18("3","6","8","1","7","8","1") = "7"
    & skf18("3","6","8","1","7","9","1") = "8"
    & skf18("3","6","8","1","7","10","1") = "9"
    & skf18("3","6","8","1","8","1","1") = "7"
    & skf18("3","6","8","1","8","2","1") = "7"
    & skf18("3","6","8","1","8","3","1") = "7"
    & skf18("3","6","8","1","8","4","1") = "7"
    & skf18("3","6","8","1","8","5","1") = "7"
    & skf18("3","6","8","1","8","6","1") = "7"
    & skf18("3","6","8","1","8","7","1") = "7"
    & skf18("3","6","8","1","8","8","1") = "7"
    & skf18("3","6","8","1","8","9","1") = "8"
    & skf18("3","6","8","1","8","10","1") = "9"
    & skf18("3","6","8","1","9","1","1") = "8"
    & skf18("3","6","8","1","9","2","1") = "8"
    & skf18("3","6","8","1","9","3","1") = "8"
    & skf18("3","6","8","1","9","4","1") = "8"
    & skf18("3","6","8","1","9","5","1") = "8"
    & skf18("3","6","8","1","9","6","1") = "8"
    & skf18("3","6","8","1","9","7","1") = "8"
    & skf18("3","6","8","1","9","8","1") = "8"
    & skf18("3","6","8","1","9","9","1") = "8"
    & skf18("3","6","8","1","9","10","1") = "9"
    & skf18("3","6","8","1","10","1","1") = "9"
    & skf18("3","6","8","1","10","2","1") = "9"
    & skf18("3","6","8","1","10","3","1") = "9"
    & skf18("3","6","8","1","10","4","1") = "9"
    & skf18("3","6","8","1","10","5","1") = "9"
    & skf18("3","6","8","1","10","6","1") = "9"
    & skf18("3","6","8","1","10","7","1") = "9"
    & skf18("3","6","8","1","10","8","1") = "9"
    & skf18("3","6","8","1","10","9","1") = "9"
    & skf18("3","6","8","1","10","10","1") = "9"
    & skf18("3","6","8","2","1","1","1") = "7"
    & skf18("3","6","8","2","1","2","1") = "7"
    & skf18("3","6","8","2","1","3","1") = "7"
    & skf18("3","6","8","2","1","4","1") = "7"
    & skf18("3","6","8","2","1","5","1") = "7"
    & skf18("3","6","8","2","1","6","1") = "7"
    & skf18("3","6","8","2","1","7","1") = "7"
    & skf18("3","6","8","2","1","8","1") = "7"
    & skf18("3","6","8","2","1","9","1") = "8"
    & skf18("3","6","8","2","1","10","1") = "9"
    & skf18("3","6","8","2","2","1","1") = "7"
    & skf18("3","6","8","2","2","2","1") = "7"
    & skf18("3","6","8","2","2","3","1") = "7"
    & skf18("3","6","8","2","2","4","1") = "7"
    & skf18("3","6","8","2","2","5","1") = "7"
    & skf18("3","6","8","2","2","6","1") = "7"
    & skf18("3","6","8","2","2","7","1") = "7"
    & skf18("3","6","8","2","2","8","1") = "7"
    & skf18("3","6","8","2","2","9","1") = "8"
    & skf18("3","6","8","2","2","10","1") = "9"
    & skf18("3","6","8","2","3","1","1") = "7"
    & skf18("3","6","8","2","3","2","1") = "7"
    & skf18("3","6","8","2","3","3","1") = "7"
    & skf18("3","6","8","2","3","4","1") = "7"
    & skf18("3","6","8","2","3","5","1") = "7"
    & skf18("3","6","8","2","3","6","1") = "7"
    & skf18("3","6","8","2","3","7","1") = "7"
    & skf18("3","6","8","2","3","8","1") = "7"
    & skf18("3","6","8","2","3","9","1") = "8"
    & skf18("3","6","8","2","3","10","1") = "9"
    & skf18("3","6","8","2","4","1","1") = "7"
    & skf18("3","6","8","2","4","2","1") = "7"
    & skf18("3","6","8","2","4","3","1") = "7"
    & skf18("3","6","8","2","4","4","1") = "7"
    & skf18("3","6","8","2","4","5","1") = "7"
    & skf18("3","6","8","2","4","6","1") = "7"
    & skf18("3","6","8","2","4","7","1") = "7"
    & skf18("3","6","8","2","4","8","1") = "7"
    & skf18("3","6","8","2","4","9","1") = "8"
    & skf18("3","6","8","2","4","10","1") = "9"
    & skf18("3","6","8","2","5","1","1") = "7"
    & skf18("3","6","8","2","5","2","1") = "7"
    & skf18("3","6","8","2","5","3","1") = "7"
    & skf18("3","6","8","2","5","4","1") = "7"
    & skf18("3","6","8","2","5","5","1") = "7"
    & skf18("3","6","8","2","5","6","1") = "7"
    & skf18("3","6","8","2","5","7","1") = "7"
    & skf18("3","6","8","2","5","8","1") = "7"
    & skf18("3","6","8","2","5","9","1") = "8"
    & skf18("3","6","8","2","5","10","1") = "9"
    & skf18("3","6","8","2","6","1","1") = "7"
    & skf18("3","6","8","2","6","2","1") = "7"
    & skf18("3","6","8","2","6","3","1") = "7"
    & skf18("3","6","8","2","6","4","1") = "7"
    & skf18("3","6","8","2","6","5","1") = "7"
    & skf18("3","6","8","2","6","6","1") = "7"
    & skf18("3","6","8","2","6","7","1") = "7"
    & skf18("3","6","8","2","6","8","1") = "7"
    & skf18("3","6","8","2","6","9","1") = "8"
    & skf18("3","6","8","2","6","10","1") = "9"
    & skf18("3","6","8","2","7","1","1") = "7"
    & skf18("3","6","8","2","7","2","1") = "7"
    & skf18("3","6","8","2","7","3","1") = "7"
    & skf18("3","6","8","2","7","4","1") = "7"
    & skf18("3","6","8","2","7","5","1") = "7"
    & skf18("3","6","8","2","7","6","1") = "7"
    & skf18("3","6","8","2","7","7","1") = "7"
    & skf18("3","6","8","2","7","8","1") = "7"
    & skf18("3","6","8","2","7","9","1") = "8"
    & skf18("3","6","8","2","7","10","1") = "9"
    & skf18("3","6","8","2","8","1","1") = "7"
    & skf18("3","6","8","2","8","2","1") = "7"
    & skf18("3","6","8","2","8","3","1") = "7"
    & skf18("3","6","8","2","8","4","1") = "7"
    & skf18("3","6","8","2","8","5","1") = "7"
    & skf18("3","6","8","2","8","6","1") = "7"
    & skf18("3","6","8","2","8","7","1") = "7"
    & skf18("3","6","8","2","8","8","1") = "7"
    & skf18("3","6","8","2","8","9","1") = "8"
    & skf18("3","6","8","2","8","10","1") = "9"
    & skf18("3","6","8","2","9","1","1") = "8"
    & skf18("3","6","8","2","9","2","1") = "8"
    & skf18("3","6","8","2","9","3","1") = "8"
    & skf18("3","6","8","2","9","4","1") = "8"
    & skf18("3","6","8","2","9","5","1") = "8"
    & skf18("3","6","8","2","9","6","1") = "8"
    & skf18("3","6","8","2","9","7","1") = "8"
    & skf18("3","6","8","2","9","8","1") = "8"
    & skf18("3","6","8","2","9","9","1") = "8"
    & skf18("3","6","8","2","9","10","1") = "9"
    & skf18("3","6","8","2","10","1","1") = "9"
    & skf18("3","6","8","2","10","2","1") = "9"
    & skf18("3","6","8","2","10","3","1") = "9"
    & skf18("3","6","8","2","10","4","1") = "9"
    & skf18("3","6","8","2","10","5","1") = "9"
    & skf18("3","6","8","2","10","6","1") = "9"
    & skf18("3","6","8","2","10","7","1") = "9"
    & skf18("3","6","8","2","10","8","1") = "9"
    & skf18("3","6","8","2","10","9","1") = "9"
    & skf18("3","6","8","2","10","10","1") = "9"
    & skf18("3","6","8","3","1","1","1") = "7"
    & skf18("3","6","8","3","1","2","1") = "7"
    & skf18("3","6","8","3","1","3","1") = "7"
    & skf18("3","6","8","3","1","4","1") = "7"
    & skf18("3","6","8","3","1","5","1") = "7"
    & skf18("3","6","8","3","1","6","1") = "7"
    & skf18("3","6","8","3","1","7","1") = "7"
    & skf18("3","6","8","3","1","8","1") = "7"
    & skf18("3","6","8","3","1","9","1") = "8"
    & skf18("3","6","8","3","1","10","1") = "9"
    & skf18("3","6","8","3","2","1","1") = "7"
    & skf18("3","6","8","3","2","2","1") = "7"
    & skf18("3","6","8","3","2","3","1") = "7"
    & skf18("3","6","8","3","2","4","1") = "7"
    & skf18("3","6","8","3","2","5","1") = "7"
    & skf18("3","6","8","3","2","6","1") = "7"
    & skf18("3","6","8","3","2","7","1") = "7"
    & skf18("3","6","8","3","2","8","1") = "7"
    & skf18("3","6","8","3","2","9","1") = "8"
    & skf18("3","6","8","3","2","10","1") = "9"
    & skf18("3","6","8","3","3","1","1") = "7"
    & skf18("3","6","8","3","3","2","1") = "7"
    & skf18("3","6","8","3","3","3","1") = "7"
    & skf18("3","6","8","3","3","4","1") = "7"
    & skf18("3","6","8","3","3","5","1") = "7"
    & skf18("3","6","8","3","3","6","1") = "7"
    & skf18("3","6","8","3","3","7","1") = "7"
    & skf18("3","6","8","3","3","8","1") = "7"
    & skf18("3","6","8","3","3","9","1") = "8"
    & skf18("3","6","8","3","3","10","1") = "9"
    & skf18("3","6","8","3","4","1","1") = "7"
    & skf18("3","6","8","3","4","2","1") = "7"
    & skf18("3","6","8","3","4","3","1") = "7"
    & skf18("3","6","8","3","4","4","1") = "7"
    & skf18("3","6","8","3","4","5","1") = "7"
    & skf18("3","6","8","3","4","6","1") = "7"
    & skf18("3","6","8","3","4","7","1") = "7"
    & skf18("3","6","8","3","4","8","1") = "7"
    & skf18("3","6","8","3","4","9","1") = "8"
    & skf18("3","6","8","3","4","10","1") = "9"
    & skf18("3","6","8","3","5","1","1") = "7"
    & skf18("3","6","8","3","5","2","1") = "7"
    & skf18("3","6","8","3","5","3","1") = "7"
    & skf18("3","6","8","3","5","4","1") = "7"
    & skf18("3","6","8","3","5","5","1") = "7"
    & skf18("3","6","8","3","5","6","1") = "7"
    & skf18("3","6","8","3","5","7","1") = "7"
    & skf18("3","6","8","3","5","8","1") = "7"
    & skf18("3","6","8","3","5","9","1") = "8"
    & skf18("3","6","8","3","5","10","1") = "9"
    & skf18("3","6","8","3","6","1","1") = "7"
    & skf18("3","6","8","3","6","2","1") = "7"
    & skf18("3","6","8","3","6","3","1") = "7"
    & skf18("3","6","8","3","6","4","1") = "7"
    & skf18("3","6","8","3","6","5","1") = "7"
    & skf18("3","6","8","3","6","6","1") = "7"
    & skf18("3","6","8","3","6","7","1") = "7"
    & skf18("3","6","8","3","6","8","1") = "7"
    & skf18("3","6","8","3","6","9","1") = "8"
    & skf18("3","6","8","3","6","10","1") = "9"
    & skf18("3","6","8","3","7","1","1") = "7"
    & skf18("3","6","8","3","7","2","1") = "7"
    & skf18("3","6","8","3","7","3","1") = "7"
    & skf18("3","6","8","3","7","4","1") = "7"
    & skf18("3","6","8","3","7","5","1") = "7"
    & skf18("3","6","8","3","7","6","1") = "7"
    & skf18("3","6","8","3","7","7","1") = "7"
    & skf18("3","6","8","3","7","8","1") = "7"
    & skf18("3","6","8","3","7","9","1") = "8"
    & skf18("3","6","8","3","7","10","1") = "9"
    & skf18("3","6","8","3","8","1","1") = "7"
    & skf18("3","6","8","3","8","2","1") = "7"
    & skf18("3","6","8","3","8","3","1") = "7"
    & skf18("3","6","8","3","8","4","1") = "7"
    & skf18("3","6","8","3","8","5","1") = "7"
    & skf18("3","6","8","3","8","6","1") = "7"
    & skf18("3","6","8","3","8","7","1") = "7"
    & skf18("3","6","8","3","8","8","1") = "7"
    & skf18("3","6","8","3","8","9","1") = "8"
    & skf18("3","6","8","3","8","10","1") = "9"
    & skf18("3","6","8","3","9","1","1") = "8"
    & skf18("3","6","8","3","9","2","1") = "8"
    & skf18("3","6","8","3","9","3","1") = "8"
    & skf18("3","6","8","3","9","4","1") = "8"
    & skf18("3","6","8","3","9","5","1") = "8"
    & skf18("3","6","8","3","9","6","1") = "8"
    & skf18("3","6","8","3","9","7","1") = "8"
    & skf18("3","6","8","3","9","8","1") = "8"
    & skf18("3","6","8","3","9","9","1") = "8"
    & skf18("3","6","8","3","9","10","1") = "9"
    & skf18("3","6","8","3","10","1","1") = "9"
    & skf18("3","6","8","3","10","2","1") = "9"
    & skf18("3","6","8","3","10","3","1") = "9"
    & skf18("3","6","8","3","10","4","1") = "9"
    & skf18("3","6","8","3","10","5","1") = "9"
    & skf18("3","6","8","3","10","6","1") = "9"
    & skf18("3","6","8","3","10","7","1") = "9"
    & skf18("3","6","8","3","10","8","1") = "9"
    & skf18("3","6","8","3","10","9","1") = "9"
    & skf18("3","6","8","3","10","10","1") = "9"
    & skf18("3","6","8","4","1","1","1") = "7"
    & skf18("3","6","8","4","1","2","1") = "7"
    & skf18("3","6","8","4","1","3","1") = "7"
    & skf18("3","6","8","4","1","4","1") = "7"
    & skf18("3","6","8","4","1","5","1") = "7"
    & skf18("3","6","8","4","1","6","1") = "7"
    & skf18("3","6","8","4","1","7","1") = "7"
    & skf18("3","6","8","4","1","8","1") = "7"
    & skf18("3","6","8","4","1","9","1") = "8"
    & skf18("3","6","8","4","1","10","1") = "9"
    & skf18("3","6","8","4","2","1","1") = "7"
    & skf18("3","6","8","4","2","2","1") = "7"
    & skf18("3","6","8","4","2","3","1") = "7"
    & skf18("3","6","8","4","2","4","1") = "7"
    & skf18("3","6","8","4","2","5","1") = "7"
    & skf18("3","6","8","4","2","6","1") = "7"
    & skf18("3","6","8","4","2","7","1") = "7"
    & skf18("3","6","8","4","2","8","1") = "7"
    & skf18("3","6","8","4","2","9","1") = "8"
    & skf18("3","6","8","4","2","10","1") = "9"
    & skf18("3","6","8","4","3","1","1") = "7"
    & skf18("3","6","8","4","3","2","1") = "7"
    & skf18("3","6","8","4","3","3","1") = "7"
    & skf18("3","6","8","4","3","4","1") = "7"
    & skf18("3","6","8","4","3","5","1") = "7"
    & skf18("3","6","8","4","3","6","1") = "7"
    & skf18("3","6","8","4","3","7","1") = "7"
    & skf18("3","6","8","4","3","8","1") = "7"
    & skf18("3","6","8","4","3","9","1") = "8"
    & skf18("3","6","8","4","3","10","1") = "9"
    & skf18("3","6","8","4","4","1","1") = "7"
    & skf18("3","6","8","4","4","2","1") = "7"
    & skf18("3","6","8","4","4","3","1") = "7"
    & skf18("3","6","8","4","4","4","1") = "7"
    & skf18("3","6","8","4","4","5","1") = "7"
    & skf18("3","6","8","4","4","6","1") = "7"
    & skf18("3","6","8","4","4","7","1") = "7"
    & skf18("3","6","8","4","4","8","1") = "7"
    & skf18("3","6","8","4","4","9","1") = "8"
    & skf18("3","6","8","4","4","10","1") = "9"
    & skf18("3","6","8","4","5","1","1") = "7"
    & skf18("3","6","8","4","5","2","1") = "7"
    & skf18("3","6","8","4","5","3","1") = "7"
    & skf18("3","6","8","4","5","4","1") = "7"
    & skf18("3","6","8","4","5","5","1") = "7"
    & skf18("3","6","8","4","5","6","1") = "7"
    & skf18("3","6","8","4","5","7","1") = "7"
    & skf18("3","6","8","4","5","8","1") = "7"
    & skf18("3","6","8","4","5","9","1") = "8"
    & skf18("3","6","8","4","5","10","1") = "9"
    & skf18("3","6","8","4","6","1","1") = "7"
    & skf18("3","6","8","4","6","2","1") = "7"
    & skf18("3","6","8","4","6","3","1") = "7"
    & skf18("3","6","8","4","6","4","1") = "7"
    & skf18("3","6","8","4","6","5","1") = "7"
    & skf18("3","6","8","4","6","6","1") = "7"
    & skf18("3","6","8","4","6","7","1") = "7"
    & skf18("3","6","8","4","6","8","1") = "7"
    & skf18("3","6","8","4","6","9","1") = "8"
    & skf18("3","6","8","4","6","10","1") = "9"
    & skf18("3","6","8","4","7","1","1") = "7"
    & skf18("3","6","8","4","7","2","1") = "7"
    & skf18("3","6","8","4","7","3","1") = "7"
    & skf18("3","6","8","4","7","4","1") = "7"
    & skf18("3","6","8","4","7","5","1") = "7"
    & skf18("3","6","8","4","7","6","1") = "7"
    & skf18("3","6","8","4","7","7","1") = "7"
    & skf18("3","6","8","4","7","8","1") = "7"
    & skf18("3","6","8","4","7","9","1") = "8"
    & skf18("3","6","8","4","7","10","1") = "9"
    & skf18("3","6","8","4","8","1","1") = "7"
    & skf18("3","6","8","4","8","2","1") = "7"
    & skf18("3","6","8","4","8","3","1") = "7"
    & skf18("3","6","8","4","8","4","1") = "7"
    & skf18("3","6","8","4","8","5","1") = "7"
    & skf18("3","6","8","4","8","6","1") = "7"
    & skf18("3","6","8","4","8","7","1") = "7"
    & skf18("3","6","8","4","8","8","1") = "7"
    & skf18("3","6","8","4","8","9","1") = "8"
    & skf18("3","6","8","4","8","10","1") = "9"
    & skf18("3","6","8","4","9","1","1") = "8"
    & skf18("3","6","8","4","9","2","1") = "8"
    & skf18("3","6","8","4","9","3","1") = "8"
    & skf18("3","6","8","4","9","4","1") = "8"
    & skf18("3","6","8","4","9","5","1") = "8"
    & skf18("3","6","8","4","9","6","1") = "8"
    & skf18("3","6","8","4","9","7","1") = "8"
    & skf18("3","6","8","4","9","8","1") = "8"
    & skf18("3","6","8","4","9","9","1") = "8"
    & skf18("3","6","8","4","9","10","1") = "9"
    & skf18("3","6","8","4","10","1","1") = "9"
    & skf18("3","6","8","4","10","2","1") = "9"
    & skf18("3","6","8","4","10","3","1") = "9"
    & skf18("3","6","8","4","10","4","1") = "9"
    & skf18("3","6","8","4","10","5","1") = "9"
    & skf18("3","6","8","4","10","6","1") = "9"
    & skf18("3","6","8","4","10","7","1") = "9"
    & skf18("3","6","8","4","10","8","1") = "9"
    & skf18("3","6","8","4","10","9","1") = "9"
    & skf18("3","6","8","4","10","10","1") = "9"
    & skf18("3","6","8","5","1","1","1") = "7"
    & skf18("3","6","8","5","1","2","1") = "7"
    & skf18("3","6","8","5","1","3","1") = "7"
    & skf18("3","6","8","5","1","4","1") = "7"
    & skf18("3","6","8","5","1","5","1") = "7"
    & skf18("3","6","8","5","1","6","1") = "7"
    & skf18("3","6","8","5","1","7","1") = "7"
    & skf18("3","6","8","5","1","8","1") = "7"
    & skf18("3","6","8","5","1","9","1") = "8"
    & skf18("3","6","8","5","1","10","1") = "9"
    & skf18("3","6","8","5","2","1","1") = "7"
    & skf18("3","6","8","5","2","2","1") = "7"
    & skf18("3","6","8","5","2","3","1") = "7"
    & skf18("3","6","8","5","2","4","1") = "7"
    & skf18("3","6","8","5","2","5","1") = "7"
    & skf18("3","6","8","5","2","6","1") = "7"
    & skf18("3","6","8","5","2","7","1") = "7"
    & skf18("3","6","8","5","2","8","1") = "7"
    & skf18("3","6","8","5","2","9","1") = "8"
    & skf18("3","6","8","5","2","10","1") = "9"
    & skf18("3","6","8","5","3","1","1") = "7"
    & skf18("3","6","8","5","3","2","1") = "7"
    & skf18("3","6","8","5","3","3","1") = "7"
    & skf18("3","6","8","5","3","4","1") = "7"
    & skf18("3","6","8","5","3","5","1") = "7"
    & skf18("3","6","8","5","3","6","1") = "7"
    & skf18("3","6","8","5","3","7","1") = "7"
    & skf18("3","6","8","5","3","8","1") = "7"
    & skf18("3","6","8","5","3","9","1") = "8"
    & skf18("3","6","8","5","3","10","1") = "9"
    & skf18("3","6","8","5","4","1","1") = "7"
    & skf18("3","6","8","5","4","2","1") = "7"
    & skf18("3","6","8","5","4","3","1") = "7"
    & skf18("3","6","8","5","4","4","1") = "7"
    & skf18("3","6","8","5","4","5","1") = "7"
    & skf18("3","6","8","5","4","6","1") = "7"
    & skf18("3","6","8","5","4","7","1") = "7"
    & skf18("3","6","8","5","4","8","1") = "7"
    & skf18("3","6","8","5","4","9","1") = "8"
    & skf18("3","6","8","5","4","10","1") = "9"
    & skf18("3","6","8","5","5","1","1") = "7"
    & skf18("3","6","8","5","5","2","1") = "7"
    & skf18("3","6","8","5","5","3","1") = "7"
    & skf18("3","6","8","5","5","4","1") = "7"
    & skf18("3","6","8","5","5","5","1") = "7"
    & skf18("3","6","8","5","5","6","1") = "7"
    & skf18("3","6","8","5","5","7","1") = "7"
    & skf18("3","6","8","5","5","8","1") = "7"
    & skf18("3","6","8","5","5","9","1") = "8"
    & skf18("3","6","8","5","5","10","1") = "9"
    & skf18("3","6","8","5","6","1","1") = "7"
    & skf18("3","6","8","5","6","2","1") = "7"
    & skf18("3","6","8","5","6","3","1") = "7"
    & skf18("3","6","8","5","6","4","1") = "7"
    & skf18("3","6","8","5","6","5","1") = "7"
    & skf18("3","6","8","5","6","6","1") = "7"
    & skf18("3","6","8","5","6","7","1") = "7"
    & skf18("3","6","8","5","6","8","1") = "7"
    & skf18("3","6","8","5","6","9","1") = "8"
    & skf18("3","6","8","5","6","10","1") = "9"
    & skf18("3","6","8","5","7","1","1") = "7"
    & skf18("3","6","8","5","7","2","1") = "7"
    & skf18("3","6","8","5","7","3","1") = "7"
    & skf18("3","6","8","5","7","4","1") = "7"
    & skf18("3","6","8","5","7","5","1") = "7"
    & skf18("3","6","8","5","7","6","1") = "7"
    & skf18("3","6","8","5","7","7","1") = "7"
    & skf18("3","6","8","5","7","8","1") = "7"
    & skf18("3","6","8","5","7","9","1") = "8"
    & skf18("3","6","8","5","7","10","1") = "9"
    & skf18("3","6","8","5","8","1","1") = "7"
    & skf18("3","6","8","5","8","2","1") = "7"
    & skf18("3","6","8","5","8","3","1") = "7"
    & skf18("3","6","8","5","8","4","1") = "7"
    & skf18("3","6","8","5","8","5","1") = "7"
    & skf18("3","6","8","5","8","6","1") = "7"
    & skf18("3","6","8","5","8","7","1") = "7"
    & skf18("3","6","8","5","8","8","1") = "7"
    & skf18("3","6","8","5","8","9","1") = "8"
    & skf18("3","6","8","5","8","10","1") = "9"
    & skf18("3","6","8","5","9","1","1") = "8"
    & skf18("3","6","8","5","9","2","1") = "8"
    & skf18("3","6","8","5","9","3","1") = "8"
    & skf18("3","6","8","5","9","4","1") = "8"
    & skf18("3","6","8","5","9","5","1") = "8"
    & skf18("3","6","8","5","9","6","1") = "8"
    & skf18("3","6","8","5","9","7","1") = "8"
    & skf18("3","6","8","5","9","8","1") = "8"
    & skf18("3","6","8","5","9","9","1") = "8"
    & skf18("3","6","8","5","9","10","1") = "9"
    & skf18("3","6","8","5","10","1","1") = "9"
    & skf18("3","6","8","5","10","2","1") = "9"
    & skf18("3","6","8","5","10","3","1") = "9"
    & skf18("3","6","8","5","10","4","1") = "9"
    & skf18("3","6","8","5","10","5","1") = "9"
    & skf18("3","6","8","5","10","6","1") = "9"
    & skf18("3","6","8","5","10","7","1") = "9"
    & skf18("3","6","8","5","10","8","1") = "9"
    & skf18("3","6","8","5","10","9","1") = "9"
    & skf18("3","6","8","5","10","10","1") = "9"
    & skf18("3","6","8","6","1","1","1") = "7"
    & skf18("3","6","8","6","1","2","1") = "7"
    & skf18("3","6","8","6","1","3","1") = "7"
    & skf18("3","6","8","6","1","4","1") = "7"
    & skf18("3","6","8","6","1","5","1") = "7"
    & skf18("3","6","8","6","1","6","1") = "7"
    & skf18("3","6","8","6","1","7","1") = "7"
    & skf18("3","6","8","6","1","8","1") = "7"
    & skf18("3","6","8","6","1","9","1") = "8"
    & skf18("3","6","8","6","1","10","1") = "9"
    & skf18("3","6","8","6","2","1","1") = "7"
    & skf18("3","6","8","6","2","2","1") = "7"
    & skf18("3","6","8","6","2","3","1") = "7"
    & skf18("3","6","8","6","2","4","1") = "7"
    & skf18("3","6","8","6","2","5","1") = "7"
    & skf18("3","6","8","6","2","6","1") = "7"
    & skf18("3","6","8","6","2","7","1") = "7"
    & skf18("3","6","8","6","2","8","1") = "7"
    & skf18("3","6","8","6","2","9","1") = "8"
    & skf18("3","6","8","6","2","10","1") = "9"
    & skf18("3","6","8","6","3","1","1") = "7"
    & skf18("3","6","8","6","3","2","1") = "7"
    & skf18("3","6","8","6","3","3","1") = "7"
    & skf18("3","6","8","6","3","4","1") = "7"
    & skf18("3","6","8","6","3","5","1") = "7"
    & skf18("3","6","8","6","3","6","1") = "7"
    & skf18("3","6","8","6","3","7","1") = "7"
    & skf18("3","6","8","6","3","8","1") = "7"
    & skf18("3","6","8","6","3","9","1") = "8"
    & skf18("3","6","8","6","3","10","1") = "9"
    & skf18("3","6","8","6","4","1","1") = "7"
    & skf18("3","6","8","6","4","2","1") = "7"
    & skf18("3","6","8","6","4","3","1") = "7"
    & skf18("3","6","8","6","4","4","1") = "7"
    & skf18("3","6","8","6","4","5","1") = "7"
    & skf18("3","6","8","6","4","6","1") = "7"
    & skf18("3","6","8","6","4","7","1") = "7"
    & skf18("3","6","8","6","4","8","1") = "7"
    & skf18("3","6","8","6","4","9","1") = "8"
    & skf18("3","6","8","6","4","10","1") = "9"
    & skf18("3","6","8","6","5","1","1") = "7"
    & skf18("3","6","8","6","5","2","1") = "7"
    & skf18("3","6","8","6","5","3","1") = "7"
    & skf18("3","6","8","6","5","4","1") = "7"
    & skf18("3","6","8","6","5","5","1") = "7"
    & skf18("3","6","8","6","5","6","1") = "7"
    & skf18("3","6","8","6","5","7","1") = "7"
    & skf18("3","6","8","6","5","8","1") = "7"
    & skf18("3","6","8","6","5","9","1") = "8"
    & skf18("3","6","8","6","5","10","1") = "9"
    & skf18("3","6","8","6","6","1","1") = "7"
    & skf18("3","6","8","6","6","2","1") = "7"
    & skf18("3","6","8","6","6","3","1") = "7"
    & skf18("3","6","8","6","6","4","1") = "7"
    & skf18("3","6","8","6","6","5","1") = "7"
    & skf18("3","6","8","6","6","6","1") = "7"
    & skf18("3","6","8","6","6","7","1") = "7"
    & skf18("3","6","8","6","6","8","1") = "7"
    & skf18("3","6","8","6","6","9","1") = "8"
    & skf18("3","6","8","6","6","10","1") = "9"
    & skf18("3","6","8","6","7","1","1") = "7"
    & skf18("3","6","8","6","7","2","1") = "7"
    & skf18("3","6","8","6","7","3","1") = "7"
    & skf18("3","6","8","6","7","4","1") = "7"
    & skf18("3","6","8","6","7","5","1") = "7"
    & skf18("3","6","8","6","7","6","1") = "7"
    & skf18("3","6","8","6","7","7","1") = "7"
    & skf18("3","6","8","6","7","8","1") = "7"
    & skf18("3","6","8","6","7","9","1") = "8"
    & skf18("3","6","8","6","7","10","1") = "9"
    & skf18("3","6","8","6","8","1","1") = "7"
    & skf18("3","6","8","6","8","2","1") = "7"
    & skf18("3","6","8","6","8","3","1") = "7"
    & skf18("3","6","8","6","8","4","1") = "7"
    & skf18("3","6","8","6","8","5","1") = "7"
    & skf18("3","6","8","6","8","6","1") = "7"
    & skf18("3","6","8","6","8","7","1") = "7"
    & skf18("3","6","8","6","8","8","1") = "7"
    & skf18("3","6","8","6","8","9","1") = "8"
    & skf18("3","6","8","6","8","10","1") = "9"
    & skf18("3","6","8","6","9","1","1") = "8"
    & skf18("3","6","8","6","9","2","1") = "8"
    & skf18("3","6","8","6","9","3","1") = "8"
    & skf18("3","6","8","6","9","4","1") = "8"
    & skf18("3","6","8","6","9","5","1") = "8"
    & skf18("3","6","8","6","9","6","1") = "8"
    & skf18("3","6","8","6","9","7","1") = "8"
    & skf18("3","6","8","6","9","8","1") = "8"
    & skf18("3","6","8","6","9","9","1") = "8"
    & skf18("3","6","8","6","9","10","1") = "9"
    & skf18("3","6","8","6","10","1","1") = "9"
    & skf18("3","6","8","6","10","2","1") = "9"
    & skf18("3","6","8","6","10","3","1") = "9"
    & skf18("3","6","8","6","10","4","1") = "9"
    & skf18("3","6","8","6","10","5","1") = "9"
    & skf18("3","6","8","6","10","6","1") = "9"
    & skf18("3","6","8","6","10","7","1") = "9"
    & skf18("3","6","8","6","10","8","1") = "9"
    & skf18("3","6","8","6","10","9","1") = "9"
    & skf18("3","6","8","6","10","10","1") = "9"
    & skf18("3","6","8","7","1","1","1") = "7"
    & skf18("3","6","8","7","1","2","1") = "7"
    & skf18("3","6","8","7","1","3","1") = "7"
    & skf18("3","6","8","7","1","4","1") = "7"
    & skf18("3","6","8","7","1","5","1") = "7"
    & skf18("3","6","8","7","1","6","1") = "7"
    & skf18("3","6","8","7","1","7","1") = "7"
    & skf18("3","6","8","7","1","8","1") = "7"
    & skf18("3","6","8","7","1","9","1") = "8"
    & skf18("3","6","8","7","1","10","1") = "9"
    & skf18("3","6","8","7","2","1","1") = "7"
    & skf18("3","6","8","7","2","2","1") = "7"
    & skf18("3","6","8","7","2","3","1") = "7"
    & skf18("3","6","8","7","2","4","1") = "7"
    & skf18("3","6","8","7","2","5","1") = "7"
    & skf18("3","6","8","7","2","6","1") = "7"
    & skf18("3","6","8","7","2","7","1") = "7"
    & skf18("3","6","8","7","2","8","1") = "7"
    & skf18("3","6","8","7","2","9","1") = "8"
    & skf18("3","6","8","7","2","10","1") = "9"
    & skf18("3","6","8","7","3","1","1") = "7"
    & skf18("3","6","8","7","3","2","1") = "7"
    & skf18("3","6","8","7","3","3","1") = "7"
    & skf18("3","6","8","7","3","4","1") = "7"
    & skf18("3","6","8","7","3","5","1") = "7"
    & skf18("3","6","8","7","3","6","1") = "7"
    & skf18("3","6","8","7","3","7","1") = "7"
    & skf18("3","6","8","7","3","8","1") = "7"
    & skf18("3","6","8","7","3","9","1") = "8"
    & skf18("3","6","8","7","3","10","1") = "9"
    & skf18("3","6","8","7","4","1","1") = "7"
    & skf18("3","6","8","7","4","2","1") = "7"
    & skf18("3","6","8","7","4","3","1") = "7"
    & skf18("3","6","8","7","4","4","1") = "7"
    & skf18("3","6","8","7","4","5","1") = "7"
    & skf18("3","6","8","7","4","6","1") = "7"
    & skf18("3","6","8","7","4","7","1") = "7"
    & skf18("3","6","8","7","4","8","1") = "7"
    & skf18("3","6","8","7","4","9","1") = "8"
    & skf18("3","6","8","7","4","10","1") = "9"
    & skf18("3","6","8","7","5","1","1") = "7"
    & skf18("3","6","8","7","5","2","1") = "7"
    & skf18("3","6","8","7","5","3","1") = "7"
    & skf18("3","6","8","7","5","4","1") = "7"
    & skf18("3","6","8","7","5","5","1") = "7"
    & skf18("3","6","8","7","5","6","1") = "7"
    & skf18("3","6","8","7","5","7","1") = "7"
    & skf18("3","6","8","7","5","8","1") = "7"
    & skf18("3","6","8","7","5","9","1") = "8"
    & skf18("3","6","8","7","5","10","1") = "9"
    & skf18("3","6","8","7","6","1","1") = "7"
    & skf18("3","6","8","7","6","2","1") = "7"
    & skf18("3","6","8","7","6","3","1") = "7"
    & skf18("3","6","8","7","6","4","1") = "7"
    & skf18("3","6","8","7","6","5","1") = "7"
    & skf18("3","6","8","7","6","6","1") = "7"
    & skf18("3","6","8","7","6","7","1") = "7"
    & skf18("3","6","8","7","6","8","1") = "7"
    & skf18("3","6","8","7","6","9","1") = "8"
    & skf18("3","6","8","7","6","10","1") = "9"
    & skf18("3","6","8","7","7","1","1") = "7"
    & skf18("3","6","8","7","7","2","1") = "7"
    & skf18("3","6","8","7","7","3","1") = "7"
    & skf18("3","6","8","7","7","4","1") = "7"
    & skf18("3","6","8","7","7","5","1") = "7"
    & skf18("3","6","8","7","7","6","1") = "7"
    & skf18("3","6","8","7","7","7","1") = "7"
    & skf18("3","6","8","7","7","8","1") = "7"
    & skf18("3","6","8","7","7","9","1") = "8"
    & skf18("3","6","8","7","7","10","1") = "9"
    & skf18("3","6","8","7","8","1","1") = "7"
    & skf18("3","6","8","7","8","2","1") = "7"
    & skf18("3","6","8","7","8","3","1") = "7"
    & skf18("3","6","8","7","8","4","1") = "7"
    & skf18("3","6","8","7","8","5","1") = "7"
    & skf18("3","6","8","7","8","6","1") = "7"
    & skf18("3","6","8","7","8","7","1") = "7"
    & skf18("3","6","8","7","8","8","1") = "7"
    & skf18("3","6","8","7","8","9","1") = "8"
    & skf18("3","6","8","7","8","10","1") = "9"
    & skf18("3","6","8","7","9","1","1") = "8"
    & skf18("3","6","8","7","9","2","1") = "8"
    & skf18("3","6","8","7","9","3","1") = "8"
    & skf18("3","6","8","7","9","4","1") = "8"
    & skf18("3","6","8","7","9","5","1") = "8"
    & skf18("3","6","8","7","9","6","1") = "8"
    & skf18("3","6","8","7","9","7","1") = "8"
    & skf18("3","6","8","7","9","8","1") = "8"
    & skf18("3","6","8","7","9","9","1") = "8"
    & skf18("3","6","8","7","9","10","1") = "9"
    & skf18("3","6","8","7","10","1","1") = "9"
    & skf18("3","6","8","7","10","2","1") = "9"
    & skf18("3","6","8","7","10","3","1") = "9"
    & skf18("3","6","8","7","10","4","1") = "9"
    & skf18("3","6","8","7","10","5","1") = "9"
    & skf18("3","6","8","7","10","6","1") = "9"
    & skf18("3","6","8","7","10","7","1") = "9"
    & skf18("3","6","8","7","10","8","1") = "9"
    & skf18("3","6","8","7","10","9","1") = "9"
    & skf18("3","6","8","7","10","10","1") = "9"
    & skf18("3","6","8","8","1","1","1") = "7"
    & skf18("3","6","8","8","1","2","1") = "7"
    & skf18("3","6","8","8","1","3","1") = "7"
    & skf18("3","6","8","8","1","4","1") = "7"
    & skf18("3","6","8","8","1","5","1") = "7"
    & skf18("3","6","8","8","1","6","1") = "7"
    & skf18("3","6","8","8","1","7","1") = "7"
    & skf18("3","6","8","8","1","8","1") = "7"
    & skf18("3","6","8","8","1","9","1") = "8"
    & skf18("3","6","8","8","1","10","1") = "9"
    & skf18("3","6","8","8","2","1","1") = "7"
    & skf18("3","6","8","8","2","2","1") = "7"
    & skf18("3","6","8","8","2","3","1") = "7"
    & skf18("3","6","8","8","2","4","1") = "7"
    & skf18("3","6","8","8","2","5","1") = "7"
    & skf18("3","6","8","8","2","6","1") = "7"
    & skf18("3","6","8","8","2","7","1") = "7"
    & skf18("3","6","8","8","2","8","1") = "7"
    & skf18("3","6","8","8","2","9","1") = "8"
    & skf18("3","6","8","8","2","10","1") = "9"
    & skf18("3","6","8","8","3","1","1") = "7"
    & skf18("3","6","8","8","3","2","1") = "7"
    & skf18("3","6","8","8","3","3","1") = "7"
    & skf18("3","6","8","8","3","4","1") = "7"
    & skf18("3","6","8","8","3","5","1") = "7"
    & skf18("3","6","8","8","3","6","1") = "7"
    & skf18("3","6","8","8","3","7","1") = "7"
    & skf18("3","6","8","8","3","8","1") = "7"
    & skf18("3","6","8","8","3","9","1") = "8"
    & skf18("3","6","8","8","3","10","1") = "9"
    & skf18("3","6","8","8","4","1","1") = "7"
    & skf18("3","6","8","8","4","2","1") = "7"
    & skf18("3","6","8","8","4","3","1") = "7"
    & skf18("3","6","8","8","4","4","1") = "7"
    & skf18("3","6","8","8","4","5","1") = "7"
    & skf18("3","6","8","8","4","6","1") = "7"
    & skf18("3","6","8","8","4","7","1") = "7"
    & skf18("3","6","8","8","4","8","1") = "7"
    & skf18("3","6","8","8","4","9","1") = "8"
    & skf18("3","6","8","8","4","10","1") = "9"
    & skf18("3","6","8","8","5","1","1") = "7"
    & skf18("3","6","8","8","5","2","1") = "7"
    & skf18("3","6","8","8","5","3","1") = "7"
    & skf18("3","6","8","8","5","4","1") = "7"
    & skf18("3","6","8","8","5","5","1") = "7"
    & skf18("3","6","8","8","5","6","1") = "7"
    & skf18("3","6","8","8","5","7","1") = "7"
    & skf18("3","6","8","8","5","8","1") = "7"
    & skf18("3","6","8","8","5","9","1") = "8"
    & skf18("3","6","8","8","5","10","1") = "9"
    & skf18("3","6","8","8","6","1","1") = "7"
    & skf18("3","6","8","8","6","2","1") = "7"
    & skf18("3","6","8","8","6","3","1") = "7"
    & skf18("3","6","8","8","6","4","1") = "7"
    & skf18("3","6","8","8","6","5","1") = "7"
    & skf18("3","6","8","8","6","6","1") = "7"
    & skf18("3","6","8","8","6","7","1") = "7"
    & skf18("3","6","8","8","6","8","1") = "7"
    & skf18("3","6","8","8","6","9","1") = "8"
    & skf18("3","6","8","8","6","10","1") = "9"
    & skf18("3","6","8","8","7","1","1") = "7"
    & skf18("3","6","8","8","7","2","1") = "7"
    & skf18("3","6","8","8","7","3","1") = "7"
    & skf18("3","6","8","8","7","4","1") = "7"
    & skf18("3","6","8","8","7","5","1") = "7"
    & skf18("3","6","8","8","7","6","1") = "7"
    & skf18("3","6","8","8","7","7","1") = "7"
    & skf18("3","6","8","8","7","8","1") = "7"
    & skf18("3","6","8","8","7","9","1") = "8"
    & skf18("3","6","8","8","7","10","1") = "9"
    & skf18("3","6","8","8","8","1","1") = "7"
    & skf18("3","6","8","8","8","2","1") = "7"
    & skf18("3","6","8","8","8","3","1") = "7"
    & skf18("3","6","8","8","8","4","1") = "7"
    & skf18("3","6","8","8","8","5","1") = "7"
    & skf18("3","6","8","8","8","6","1") = "7"
    & skf18("3","6","8","8","8","7","1") = "7"
    & skf18("3","6","8","8","8","8","1") = "7"
    & skf18("3","6","8","8","8","9","1") = "8"
    & skf18("3","6","8","8","8","10","1") = "9"
    & skf18("3","6","8","8","9","1","1") = "8"
    & skf18("3","6","8","8","9","2","1") = "8"
    & skf18("3","6","8","8","9","3","1") = "8"
    & skf18("3","6","8","8","9","4","1") = "8"
    & skf18("3","6","8","8","9","5","1") = "8"
    & skf18("3","6","8","8","9","6","1") = "8"
    & skf18("3","6","8","8","9","7","1") = "8"
    & skf18("3","6","8","8","9","8","1") = "8"
    & skf18("3","6","8","8","9","9","1") = "8"
    & skf18("3","6","8","8","9","10","1") = "9"
    & skf18("3","6","8","8","10","1","1") = "9"
    & skf18("3","6","8","8","10","2","1") = "9"
    & skf18("3","6","8","8","10","3","1") = "9"
    & skf18("3","6","8","8","10","4","1") = "9"
    & skf18("3","6","8","8","10","5","1") = "9"
    & skf18("3","6","8","8","10","6","1") = "9"
    & skf18("3","6","8","8","10","7","1") = "9"
    & skf18("3","6","8","8","10","8","1") = "9"
    & skf18("3","6","8","8","10","9","1") = "9"
    & skf18("3","6","8","8","10","10","1") = "9"
    & skf18("3","6","8","9","1","1","1") = "8"
    & skf18("3","6","8","9","1","2","1") = "8"
    & skf18("3","6","8","9","1","3","1") = "8"
    & skf18("3","6","8","9","1","4","1") = "8"
    & skf18("3","6","8","9","1","5","1") = "8"
    & skf18("3","6","8","9","1","6","1") = "8"
    & skf18("3","6","8","9","1","7","1") = "8"
    & skf18("3","6","8","9","1","8","1") = "8"
    & skf18("3","6","8","9","1","9","1") = "8"
    & skf18("3","6","8","9","1","10","1") = "9"
    & skf18("3","6","8","9","2","1","1") = "8"
    & skf18("3","6","8","9","2","2","1") = "8"
    & skf18("3","6","8","9","2","3","1") = "8"
    & skf18("3","6","8","9","2","4","1") = "8"
    & skf18("3","6","8","9","2","5","1") = "8"
    & skf18("3","6","8","9","2","6","1") = "8"
    & skf18("3","6","8","9","2","7","1") = "8"
    & skf18("3","6","8","9","2","8","1") = "8"
    & skf18("3","6","8","9","2","9","1") = "8"
    & skf18("3","6","8","9","2","10","1") = "9"
    & skf18("3","6","8","9","3","1","1") = "8"
    & skf18("3","6","8","9","3","2","1") = "8"
    & skf18("3","6","8","9","3","3","1") = "8"
    & skf18("3","6","8","9","3","4","1") = "8"
    & skf18("3","6","8","9","3","5","1") = "8"
    & skf18("3","6","8","9","3","6","1") = "8"
    & skf18("3","6","8","9","3","7","1") = "8"
    & skf18("3","6","8","9","3","8","1") = "8"
    & skf18("3","6","8","9","3","9","1") = "8"
    & skf18("3","6","8","9","3","10","1") = "9"
    & skf18("3","6","8","9","4","1","1") = "8"
    & skf18("3","6","8","9","4","2","1") = "8"
    & skf18("3","6","8","9","4","3","1") = "8"
    & skf18("3","6","8","9","4","4","1") = "8"
    & skf18("3","6","8","9","4","5","1") = "8"
    & skf18("3","6","8","9","4","6","1") = "8"
    & skf18("3","6","8","9","4","7","1") = "8"
    & skf18("3","6","8","9","4","8","1") = "8"
    & skf18("3","6","8","9","4","9","1") = "8"
    & skf18("3","6","8","9","4","10","1") = "9"
    & skf18("3","6","8","9","5","1","1") = "8"
    & skf18("3","6","8","9","5","2","1") = "8"
    & skf18("3","6","8","9","5","3","1") = "8"
    & skf18("3","6","8","9","5","4","1") = "8"
    & skf18("3","6","8","9","5","5","1") = "8"
    & skf18("3","6","8","9","5","6","1") = "8"
    & skf18("3","6","8","9","5","7","1") = "8"
    & skf18("3","6","8","9","5","8","1") = "8"
    & skf18("3","6","8","9","5","9","1") = "8"
    & skf18("3","6","8","9","5","10","1") = "9"
    & skf18("3","6","8","9","6","1","1") = "8"
    & skf18("3","6","8","9","6","2","1") = "8"
    & skf18("3","6","8","9","6","3","1") = "8"
    & skf18("3","6","8","9","6","4","1") = "8"
    & skf18("3","6","8","9","6","5","1") = "8"
    & skf18("3","6","8","9","6","6","1") = "8"
    & skf18("3","6","8","9","6","7","1") = "8"
    & skf18("3","6","8","9","6","8","1") = "8"
    & skf18("3","6","8","9","6","9","1") = "8"
    & skf18("3","6","8","9","6","10","1") = "9"
    & skf18("3","6","8","9","7","1","1") = "8"
    & skf18("3","6","8","9","7","2","1") = "8"
    & skf18("3","6","8","9","7","3","1") = "8"
    & skf18("3","6","8","9","7","4","1") = "8"
    & skf18("3","6","8","9","7","5","1") = "8"
    & skf18("3","6","8","9","7","6","1") = "8"
    & skf18("3","6","8","9","7","7","1") = "8"
    & skf18("3","6","8","9","7","8","1") = "8"
    & skf18("3","6","8","9","7","9","1") = "8"
    & skf18("3","6","8","9","7","10","1") = "9"
    & skf18("3","6","8","9","8","1","1") = "8"
    & skf18("3","6","8","9","8","2","1") = "8"
    & skf18("3","6","8","9","8","3","1") = "8"
    & skf18("3","6","8","9","8","4","1") = "8"
    & skf18("3","6","8","9","8","5","1") = "8"
    & skf18("3","6","8","9","8","6","1") = "8"
    & skf18("3","6","8","9","8","7","1") = "8"
    & skf18("3","6","8","9","8","8","1") = "8"
    & skf18("3","6","8","9","8","9","1") = "8"
    & skf18("3","6","8","9","8","10","1") = "9"
    & skf18("3","6","8","9","9","1","1") = "8"
    & skf18("3","6","8","9","9","2","1") = "8"
    & skf18("3","6","8","9","9","3","1") = "8"
    & skf18("3","6","8","9","9","4","1") = "8"
    & skf18("3","6","8","9","9","5","1") = "8"
    & skf18("3","6","8","9","9","6","1") = "8"
    & skf18("3","6","8","9","9","7","1") = "8"
    & skf18("3","6","8","9","9","8","1") = "8"
    & skf18("3","6","8","9","9","9","1") = "8"
    & skf18("3","6","8","9","9","10","1") = "9"
    & skf18("3","6","8","9","10","1","1") = "9"
    & skf18("3","6","8","9","10","2","1") = "9"
    & skf18("3","6","8","9","10","3","1") = "9"
    & skf18("3","6","8","9","10","4","1") = "9"
    & skf18("3","6","8","9","10","5","1") = "9"
    & skf18("3","6","8","9","10","6","1") = "9"
    & skf18("3","6","8","9","10","7","1") = "9"
    & skf18("3","6","8","9","10","8","1") = "9"
    & skf18("3","6","8","9","10","9","1") = "9"
    & skf18("3","6","8","9","10","10","1") = "9"
    & skf18("3","6","8","10","1","1","1") = "9"
    & skf18("3","6","8","10","1","2","1") = "9"
    & skf18("3","6","8","10","1","3","1") = "9"
    & skf18("3","6","8","10","1","4","1") = "9"
    & skf18("3","6","8","10","1","5","1") = "9"
    & skf18("3","6","8","10","1","6","1") = "9"
    & skf18("3","6","8","10","1","7","1") = "9"
    & skf18("3","6","8","10","1","8","1") = "9"
    & skf18("3","6","8","10","1","9","1") = "9"
    & skf18("3","6","8","10","1","10","1") = "9"
    & skf18("3","6","8","10","2","1","1") = "9"
    & skf18("3","6","8","10","2","2","1") = "9"
    & skf18("3","6","8","10","2","3","1") = "9"
    & skf18("3","6","8","10","2","4","1") = "9"
    & skf18("3","6","8","10","2","5","1") = "9"
    & skf18("3","6","8","10","2","6","1") = "9"
    & skf18("3","6","8","10","2","7","1") = "9"
    & skf18("3","6","8","10","2","8","1") = "9"
    & skf18("3","6","8","10","2","9","1") = "9"
    & skf18("3","6","8","10","2","10","1") = "9"
    & skf18("3","6","8","10","3","1","1") = "9"
    & skf18("3","6","8","10","3","2","1") = "9"
    & skf18("3","6","8","10","3","3","1") = "9"
    & skf18("3","6","8","10","3","4","1") = "9"
    & skf18("3","6","8","10","3","5","1") = "9"
    & skf18("3","6","8","10","3","6","1") = "9"
    & skf18("3","6","8","10","3","7","1") = "9"
    & skf18("3","6","8","10","3","8","1") = "9"
    & skf18("3","6","8","10","3","9","1") = "9"
    & skf18("3","6","8","10","3","10","1") = "9"
    & skf18("3","6","8","10","4","1","1") = "9"
    & skf18("3","6","8","10","4","2","1") = "9"
    & skf18("3","6","8","10","4","3","1") = "9"
    & skf18("3","6","8","10","4","4","1") = "9"
    & skf18("3","6","8","10","4","5","1") = "9"
    & skf18("3","6","8","10","4","6","1") = "9"
    & skf18("3","6","8","10","4","7","1") = "9"
    & skf18("3","6","8","10","4","8","1") = "9"
    & skf18("3","6","8","10","4","9","1") = "9"
    & skf18("3","6","8","10","4","10","1") = "9"
    & skf18("3","6","8","10","5","1","1") = "9"
    & skf18("3","6","8","10","5","2","1") = "9"
    & skf18("3","6","8","10","5","3","1") = "9"
    & skf18("3","6","8","10","5","4","1") = "9"
    & skf18("3","6","8","10","5","5","1") = "9"
    & skf18("3","6","8","10","5","6","1") = "9"
    & skf18("3","6","8","10","5","7","1") = "9"
    & skf18("3","6","8","10","5","8","1") = "9"
    & skf18("3","6","8","10","5","9","1") = "9"
    & skf18("3","6","8","10","5","10","1") = "9"
    & skf18("3","6","8","10","6","1","1") = "9"
    & skf18("3","6","8","10","6","2","1") = "9"
    & skf18("3","6","8","10","6","3","1") = "9"
    & skf18("3","6","8","10","6","4","1") = "9"
    & skf18("3","6","8","10","6","5","1") = "9"
    & skf18("3","6","8","10","6","6","1") = "9"
    & skf18("3","6","8","10","6","7","1") = "9"
    & skf18("3","6","8","10","6","8","1") = "9"
    & skf18("3","6","8","10","6","9","1") = "9"
    & skf18("3","6","8","10","6","10","1") = "9"
    & skf18("3","6","8","10","7","1","1") = "9"
    & skf18("3","6","8","10","7","2","1") = "9"
    & skf18("3","6","8","10","7","3","1") = "9"
    & skf18("3","6","8","10","7","4","1") = "9"
    & skf18("3","6","8","10","7","5","1") = "9"
    & skf18("3","6","8","10","7","6","1") = "9"
    & skf18("3","6","8","10","7","7","1") = "9"
    & skf18("3","6","8","10","7","8","1") = "9"
    & skf18("3","6","8","10","7","9","1") = "9"
    & skf18("3","6","8","10","7","10","1") = "9"
    & skf18("3","6","8","10","8","1","1") = "9"
    & skf18("3","6","8","10","8","2","1") = "9"
    & skf18("3","6","8","10","8","3","1") = "9"
    & skf18("3","6","8","10","8","4","1") = "9"
    & skf18("3","6","8","10","8","5","1") = "9"
    & skf18("3","6","8","10","8","6","1") = "9"
    & skf18("3","6","8","10","8","7","1") = "9"
    & skf18("3","6","8","10","8","8","1") = "9"
    & skf18("3","6","8","10","8","9","1") = "9"
    & skf18("3","6","8","10","8","10","1") = "9"
    & skf18("3","6","8","10","9","1","1") = "9"
    & skf18("3","6","8","10","9","2","1") = "9"
    & skf18("3","6","8","10","9","3","1") = "9"
    & skf18("3","6","8","10","9","4","1") = "9"
    & skf18("3","6","8","10","9","5","1") = "9"
    & skf18("3","6","8","10","9","6","1") = "9"
    & skf18("3","6","8","10","9","7","1") = "9"
    & skf18("3","6","8","10","9","8","1") = "9"
    & skf18("3","6","8","10","9","9","1") = "9"
    & skf18("3","6","8","10","9","10","1") = "9"
    & skf18("3","6","8","10","10","1","1") = "9"
    & skf18("3","6","8","10","10","2","1") = "9"
    & skf18("3","6","8","10","10","3","1") = "9"
    & skf18("3","6","8","10","10","4","1") = "9"
    & skf18("3","6","8","10","10","5","1") = "9"
    & skf18("3","6","8","10","10","6","1") = "9"
    & skf18("3","6","8","10","10","7","1") = "9"
    & skf18("3","6","8","10","10","8","1") = "9"
    & skf18("3","6","8","10","10","9","1") = "9"
    & skf18("3","6","8","10","10","10","1") = "9"
    & skf18("3","6","9","1","1","1","1") = "8"
    & skf18("3","6","9","1","1","2","1") = "8"
    & skf18("3","6","9","1","1","3","1") = "8"
    & skf18("3","6","9","1","1","4","1") = "8"
    & skf18("3","6","9","1","1","5","1") = "8"
    & skf18("3","6","9","1","1","6","1") = "8"
    & skf18("3","6","9","1","1","7","1") = "8"
    & skf18("3","6","9","1","1","8","1") = "8"
    & skf18("3","6","9","1","1","9","1") = "8"
    & skf18("3","6","9","1","1","10","1") = "9"
    & skf18("3","6","9","1","2","1","1") = "8"
    & skf18("3","6","9","1","2","2","1") = "8"
    & skf18("3","6","9","1","2","3","1") = "8"
    & skf18("3","6","9","1","2","4","1") = "8"
    & skf18("3","6","9","1","2","5","1") = "8"
    & skf18("3","6","9","1","2","6","1") = "8"
    & skf18("3","6","9","1","2","7","1") = "8"
    & skf18("3","6","9","1","2","8","1") = "8"
    & skf18("3","6","9","1","2","9","1") = "8"
    & skf18("3","6","9","1","2","10","1") = "9"
    & skf18("3","6","9","1","3","1","1") = "8"
    & skf18("3","6","9","1","3","2","1") = "8"
    & skf18("3","6","9","1","3","3","1") = "8"
    & skf18("3","6","9","1","3","4","1") = "8"
    & skf18("3","6","9","1","3","5","1") = "8"
    & skf18("3","6","9","1","3","6","1") = "8"
    & skf18("3","6","9","1","3","7","1") = "8"
    & skf18("3","6","9","1","3","8","1") = "8"
    & skf18("3","6","9","1","3","9","1") = "8"
    & skf18("3","6","9","1","3","10","1") = "9"
    & skf18("3","6","9","1","4","1","1") = "8"
    & skf18("3","6","9","1","4","2","1") = "8"
    & skf18("3","6","9","1","4","3","1") = "8"
    & skf18("3","6","9","1","4","4","1") = "8"
    & skf18("3","6","9","1","4","5","1") = "8"
    & skf18("3","6","9","1","4","6","1") = "8"
    & skf18("3","6","9","1","4","7","1") = "8"
    & skf18("3","6","9","1","4","8","1") = "8"
    & skf18("3","6","9","1","4","9","1") = "8"
    & skf18("3","6","9","1","4","10","1") = "9"
    & skf18("3","6","9","1","5","1","1") = "8"
    & skf18("3","6","9","1","5","2","1") = "8"
    & skf18("3","6","9","1","5","3","1") = "8"
    & skf18("3","6","9","1","5","4","1") = "8"
    & skf18("3","6","9","1","5","5","1") = "8"
    & skf18("3","6","9","1","5","6","1") = "8"
    & skf18("3","6","9","1","5","7","1") = "8"
    & skf18("3","6","9","1","5","8","1") = "8"
    & skf18("3","6","9","1","5","9","1") = "8"
    & skf18("3","6","9","1","5","10","1") = "9"
    & skf18("3","6","9","1","6","1","1") = "8"
    & skf18("3","6","9","1","6","2","1") = "8"
    & skf18("3","6","9","1","6","3","1") = "8"
    & skf18("3","6","9","1","6","4","1") = "8"
    & skf18("3","6","9","1","6","5","1") = "8"
    & skf18("3","6","9","1","6","6","1") = "8"
    & skf18("3","6","9","1","6","7","1") = "8"
    & skf18("3","6","9","1","6","8","1") = "8"
    & skf18("3","6","9","1","6","9","1") = "8"
    & skf18("3","6","9","1","6","10","1") = "9"
    & skf18("3","6","9","1","7","1","1") = "8"
    & skf18("3","6","9","1","7","2","1") = "8"
    & skf18("3","6","9","1","7","3","1") = "8"
    & skf18("3","6","9","1","7","4","1") = "8"
    & skf18("3","6","9","1","7","5","1") = "8"
    & skf18("3","6","9","1","7","6","1") = "8"
    & skf18("3","6","9","1","7","7","1") = "8"
    & skf18("3","6","9","1","7","8","1") = "8"
    & skf18("3","6","9","1","7","9","1") = "8"
    & skf18("3","6","9","1","7","10","1") = "9"
    & skf18("3","6","9","1","8","1","1") = "8"
    & skf18("3","6","9","1","8","2","1") = "8"
    & skf18("3","6","9","1","8","3","1") = "8"
    & skf18("3","6","9","1","8","4","1") = "8"
    & skf18("3","6","9","1","8","5","1") = "8"
    & skf18("3","6","9","1","8","6","1") = "8"
    & skf18("3","6","9","1","8","7","1") = "8"
    & skf18("3","6","9","1","8","8","1") = "8"
    & skf18("3","6","9","1","8","9","1") = "8"
    & skf18("3","6","9","1","8","10","1") = "9"
    & skf18("3","6","9","1","9","1","1") = "8"
    & skf18("3","6","9","1","9","2","1") = "8"
    & skf18("3","6","9","1","9","3","1") = "8"
    & skf18("3","6","9","1","9","4","1") = "8"
    & skf18("3","6","9","1","9","5","1") = "8"
    & skf18("3","6","9","1","9","6","1") = "8"
    & skf18("3","6","9","1","9","7","1") = "8"
    & skf18("3","6","9","1","9","8","1") = "8"
    & skf18("3","6","9","1","9","9","1") = "8"
    & skf18("3","6","9","1","9","10","1") = "9"
    & skf18("3","6","9","1","10","1","1") = "9"
    & skf18("3","6","9","1","10","2","1") = "9"
    & skf18("3","6","9","1","10","3","1") = "9"
    & skf18("3","6","9","1","10","4","1") = "9"
    & skf18("3","6","9","1","10","5","1") = "9"
    & skf18("3","6","9","1","10","6","1") = "9"
    & skf18("3","6","9","1","10","7","1") = "9"
    & skf18("3","6","9","1","10","8","1") = "9"
    & skf18("3","6","9","1","10","9","1") = "9"
    & skf18("3","6","9","1","10","10","1") = "9"
    & skf18("3","6","9","2","1","1","1") = "8"
    & skf18("3","6","9","2","1","2","1") = "8"
    & skf18("3","6","9","2","1","3","1") = "8"
    & skf18("3","6","9","2","1","4","1") = "8"
    & skf18("3","6","9","2","1","5","1") = "8"
    & skf18("3","6","9","2","1","6","1") = "8"
    & skf18("3","6","9","2","1","7","1") = "8"
    & skf18("3","6","9","2","1","8","1") = "8"
    & skf18("3","6","9","2","1","9","1") = "8"
    & skf18("3","6","9","2","1","10","1") = "9"
    & skf18("3","6","9","2","2","1","1") = "8"
    & skf18("3","6","9","2","2","2","1") = "8"
    & skf18("3","6","9","2","2","3","1") = "8"
    & skf18("3","6","9","2","2","4","1") = "8"
    & skf18("3","6","9","2","2","5","1") = "8"
    & skf18("3","6","9","2","2","6","1") = "8"
    & skf18("3","6","9","2","2","7","1") = "8"
    & skf18("3","6","9","2","2","8","1") = "8"
    & skf18("3","6","9","2","2","9","1") = "8"
    & skf18("3","6","9","2","2","10","1") = "9"
    & skf18("3","6","9","2","3","1","1") = "8"
    & skf18("3","6","9","2","3","2","1") = "8"
    & skf18("3","6","9","2","3","3","1") = "8"
    & skf18("3","6","9","2","3","4","1") = "8"
    & skf18("3","6","9","2","3","5","1") = "8"
    & skf18("3","6","9","2","3","6","1") = "8"
    & skf18("3","6","9","2","3","7","1") = "8"
    & skf18("3","6","9","2","3","8","1") = "8"
    & skf18("3","6","9","2","3","9","1") = "8"
    & skf18("3","6","9","2","3","10","1") = "9"
    & skf18("3","6","9","2","4","1","1") = "8"
    & skf18("3","6","9","2","4","2","1") = "8"
    & skf18("3","6","9","2","4","3","1") = "8"
    & skf18("3","6","9","2","4","4","1") = "8"
    & skf18("3","6","9","2","4","5","1") = "8"
    & skf18("3","6","9","2","4","6","1") = "8"
    & skf18("3","6","9","2","4","7","1") = "8"
    & skf18("3","6","9","2","4","8","1") = "8"
    & skf18("3","6","9","2","4","9","1") = "8"
    & skf18("3","6","9","2","4","10","1") = "9"
    & skf18("3","6","9","2","5","1","1") = "8"
    & skf18("3","6","9","2","5","2","1") = "8"
    & skf18("3","6","9","2","5","3","1") = "8"
    & skf18("3","6","9","2","5","4","1") = "8"
    & skf18("3","6","9","2","5","5","1") = "8"
    & skf18("3","6","9","2","5","6","1") = "8"
    & skf18("3","6","9","2","5","7","1") = "8"
    & skf18("3","6","9","2","5","8","1") = "8"
    & skf18("3","6","9","2","5","9","1") = "8"
    & skf18("3","6","9","2","5","10","1") = "9"
    & skf18("3","6","9","2","6","1","1") = "8"
    & skf18("3","6","9","2","6","2","1") = "8"
    & skf18("3","6","9","2","6","3","1") = "8"
    & skf18("3","6","9","2","6","4","1") = "8"
    & skf18("3","6","9","2","6","5","1") = "8"
    & skf18("3","6","9","2","6","6","1") = "8"
    & skf18("3","6","9","2","6","7","1") = "8"
    & skf18("3","6","9","2","6","8","1") = "8"
    & skf18("3","6","9","2","6","9","1") = "8"
    & skf18("3","6","9","2","6","10","1") = "9"
    & skf18("3","6","9","2","7","1","1") = "8"
    & skf18("3","6","9","2","7","2","1") = "8"
    & skf18("3","6","9","2","7","3","1") = "8"
    & skf18("3","6","9","2","7","4","1") = "8"
    & skf18("3","6","9","2","7","5","1") = "8"
    & skf18("3","6","9","2","7","6","1") = "8"
    & skf18("3","6","9","2","7","7","1") = "8"
    & skf18("3","6","9","2","7","8","1") = "8"
    & skf18("3","6","9","2","7","9","1") = "8"
    & skf18("3","6","9","2","7","10","1") = "9"
    & skf18("3","6","9","2","8","1","1") = "8"
    & skf18("3","6","9","2","8","2","1") = "8"
    & skf18("3","6","9","2","8","3","1") = "8"
    & skf18("3","6","9","2","8","4","1") = "8"
    & skf18("3","6","9","2","8","5","1") = "8"
    & skf18("3","6","9","2","8","6","1") = "8"
    & skf18("3","6","9","2","8","7","1") = "8"
    & skf18("3","6","9","2","8","8","1") = "8"
    & skf18("3","6","9","2","8","9","1") = "8"
    & skf18("3","6","9","2","8","10","1") = "9"
    & skf18("3","6","9","2","9","1","1") = "8"
    & skf18("3","6","9","2","9","2","1") = "8"
    & skf18("3","6","9","2","9","3","1") = "8"
    & skf18("3","6","9","2","9","4","1") = "8"
    & skf18("3","6","9","2","9","5","1") = "8"
    & skf18("3","6","9","2","9","6","1") = "8"
    & skf18("3","6","9","2","9","7","1") = "8"
    & skf18("3","6","9","2","9","8","1") = "8"
    & skf18("3","6","9","2","9","9","1") = "8"
    & skf18("3","6","9","2","9","10","1") = "9"
    & skf18("3","6","9","2","10","1","1") = "9"
    & skf18("3","6","9","2","10","2","1") = "9"
    & skf18("3","6","9","2","10","3","1") = "9"
    & skf18("3","6","9","2","10","4","1") = "9"
    & skf18("3","6","9","2","10","5","1") = "9"
    & skf18("3","6","9","2","10","6","1") = "9"
    & skf18("3","6","9","2","10","7","1") = "9"
    & skf18("3","6","9","2","10","8","1") = "9"
    & skf18("3","6","9","2","10","9","1") = "9"
    & skf18("3","6","9","2","10","10","1") = "9"
    & skf18("3","6","9","3","1","1","1") = "8"
    & skf18("3","6","9","3","1","2","1") = "8"
    & skf18("3","6","9","3","1","3","1") = "8"
    & skf18("3","6","9","3","1","4","1") = "8"
    & skf18("3","6","9","3","1","5","1") = "8"
    & skf18("3","6","9","3","1","6","1") = "8"
    & skf18("3","6","9","3","1","7","1") = "8"
    & skf18("3","6","9","3","1","8","1") = "8"
    & skf18("3","6","9","3","1","9","1") = "8"
    & skf18("3","6","9","3","1","10","1") = "9"
    & skf18("3","6","9","3","2","1","1") = "8"
    & skf18("3","6","9","3","2","2","1") = "8"
    & skf18("3","6","9","3","2","3","1") = "8"
    & skf18("3","6","9","3","2","4","1") = "8"
    & skf18("3","6","9","3","2","5","1") = "8"
    & skf18("3","6","9","3","2","6","1") = "8"
    & skf18("3","6","9","3","2","7","1") = "8"
    & skf18("3","6","9","3","2","8","1") = "8"
    & skf18("3","6","9","3","2","9","1") = "8"
    & skf18("3","6","9","3","2","10","1") = "9"
    & skf18("3","6","9","3","3","1","1") = "8"
    & skf18("3","6","9","3","3","2","1") = "8"
    & skf18("3","6","9","3","3","3","1") = "8"
    & skf18("3","6","9","3","3","4","1") = "8"
    & skf18("3","6","9","3","3","5","1") = "8"
    & skf18("3","6","9","3","3","6","1") = "8"
    & skf18("3","6","9","3","3","7","1") = "8"
    & skf18("3","6","9","3","3","8","1") = "8"
    & skf18("3","6","9","3","3","9","1") = "8"
    & skf18("3","6","9","3","3","10","1") = "9"
    & skf18("3","6","9","3","4","1","1") = "8"
    & skf18("3","6","9","3","4","2","1") = "8"
    & skf18("3","6","9","3","4","3","1") = "8"
    & skf18("3","6","9","3","4","4","1") = "8"
    & skf18("3","6","9","3","4","5","1") = "8"
    & skf18("3","6","9","3","4","6","1") = "8"
    & skf18("3","6","9","3","4","7","1") = "8"
    & skf18("3","6","9","3","4","8","1") = "8"
    & skf18("3","6","9","3","4","9","1") = "8"
    & skf18("3","6","9","3","4","10","1") = "9"
    & skf18("3","6","9","3","5","1","1") = "8"
    & skf18("3","6","9","3","5","2","1") = "8"
    & skf18("3","6","9","3","5","3","1") = "8"
    & skf18("3","6","9","3","5","4","1") = "8"
    & skf18("3","6","9","3","5","5","1") = "8"
    & skf18("3","6","9","3","5","6","1") = "8"
    & skf18("3","6","9","3","5","7","1") = "8"
    & skf18("3","6","9","3","5","8","1") = "8"
    & skf18("3","6","9","3","5","9","1") = "8"
    & skf18("3","6","9","3","5","10","1") = "9"
    & skf18("3","6","9","3","6","1","1") = "8"
    & skf18("3","6","9","3","6","2","1") = "8"
    & skf18("3","6","9","3","6","3","1") = "8"
    & skf18("3","6","9","3","6","4","1") = "8"
    & skf18("3","6","9","3","6","5","1") = "8"
    & skf18("3","6","9","3","6","6","1") = "8"
    & skf18("3","6","9","3","6","7","1") = "8"
    & skf18("3","6","9","3","6","8","1") = "8"
    & skf18("3","6","9","3","6","9","1") = "8"
    & skf18("3","6","9","3","6","10","1") = "9"
    & skf18("3","6","9","3","7","1","1") = "8"
    & skf18("3","6","9","3","7","2","1") = "8"
    & skf18("3","6","9","3","7","3","1") = "8"
    & skf18("3","6","9","3","7","4","1") = "8"
    & skf18("3","6","9","3","7","5","1") = "8"
    & skf18("3","6","9","3","7","6","1") = "8"
    & skf18("3","6","9","3","7","7","1") = "8"
    & skf18("3","6","9","3","7","8","1") = "8"
    & skf18("3","6","9","3","7","9","1") = "8"
    & skf18("3","6","9","3","7","10","1") = "9"
    & skf18("3","6","9","3","8","1","1") = "8"
    & skf18("3","6","9","3","8","2","1") = "8"
    & skf18("3","6","9","3","8","3","1") = "8"
    & skf18("3","6","9","3","8","4","1") = "8"
    & skf18("3","6","9","3","8","5","1") = "8"
    & skf18("3","6","9","3","8","6","1") = "8"
    & skf18("3","6","9","3","8","7","1") = "8"
    & skf18("3","6","9","3","8","8","1") = "8"
    & skf18("3","6","9","3","8","9","1") = "8"
    & skf18("3","6","9","3","8","10","1") = "9"
    & skf18("3","6","9","3","9","1","1") = "8"
    & skf18("3","6","9","3","9","2","1") = "8"
    & skf18("3","6","9","3","9","3","1") = "8"
    & skf18("3","6","9","3","9","4","1") = "8"
    & skf18("3","6","9","3","9","5","1") = "8"
    & skf18("3","6","9","3","9","6","1") = "8"
    & skf18("3","6","9","3","9","7","1") = "8"
    & skf18("3","6","9","3","9","8","1") = "8"
    & skf18("3","6","9","3","9","9","1") = "8"
    & skf18("3","6","9","3","9","10","1") = "9"
    & skf18("3","6","9","3","10","1","1") = "9"
    & skf18("3","6","9","3","10","2","1") = "9"
    & skf18("3","6","9","3","10","3","1") = "9"
    & skf18("3","6","9","3","10","4","1") = "9"
    & skf18("3","6","9","3","10","5","1") = "9"
    & skf18("3","6","9","3","10","6","1") = "9"
    & skf18("3","6","9","3","10","7","1") = "9"
    & skf18("3","6","9","3","10","8","1") = "9"
    & skf18("3","6","9","3","10","9","1") = "9"
    & skf18("3","6","9","3","10","10","1") = "9"
    & skf18("3","6","9","4","1","1","1") = "8"
    & skf18("3","6","9","4","1","2","1") = "8"
    & skf18("3","6","9","4","1","3","1") = "8"
    & skf18("3","6","9","4","1","4","1") = "8"
    & skf18("3","6","9","4","1","5","1") = "8"
    & skf18("3","6","9","4","1","6","1") = "8"
    & skf18("3","6","9","4","1","7","1") = "8"
    & skf18("3","6","9","4","1","8","1") = "8"
    & skf18("3","6","9","4","1","9","1") = "8"
    & skf18("3","6","9","4","1","10","1") = "9"
    & skf18("3","6","9","4","2","1","1") = "8"
    & skf18("3","6","9","4","2","2","1") = "8"
    & skf18("3","6","9","4","2","3","1") = "8"
    & skf18("3","6","9","4","2","4","1") = "8"
    & skf18("3","6","9","4","2","5","1") = "8"
    & skf18("3","6","9","4","2","6","1") = "8"
    & skf18("3","6","9","4","2","7","1") = "8"
    & skf18("3","6","9","4","2","8","1") = "8"
    & skf18("3","6","9","4","2","9","1") = "8"
    & skf18("3","6","9","4","2","10","1") = "9"
    & skf18("3","6","9","4","3","1","1") = "8"
    & skf18("3","6","9","4","3","2","1") = "8"
    & skf18("3","6","9","4","3","3","1") = "8"
    & skf18("3","6","9","4","3","4","1") = "8"
    & skf18("3","6","9","4","3","5","1") = "8"
    & skf18("3","6","9","4","3","6","1") = "8"
    & skf18("3","6","9","4","3","7","1") = "8"
    & skf18("3","6","9","4","3","8","1") = "8"
    & skf18("3","6","9","4","3","9","1") = "8"
    & skf18("3","6","9","4","3","10","1") = "9"
    & skf18("3","6","9","4","4","1","1") = "8"
    & skf18("3","6","9","4","4","2","1") = "8"
    & skf18("3","6","9","4","4","3","1") = "8"
    & skf18("3","6","9","4","4","4","1") = "8"
    & skf18("3","6","9","4","4","5","1") = "8"
    & skf18("3","6","9","4","4","6","1") = "8"
    & skf18("3","6","9","4","4","7","1") = "8"
    & skf18("3","6","9","4","4","8","1") = "8"
    & skf18("3","6","9","4","4","9","1") = "8"
    & skf18("3","6","9","4","4","10","1") = "9"
    & skf18("3","6","9","4","5","1","1") = "8"
    & skf18("3","6","9","4","5","2","1") = "8"
    & skf18("3","6","9","4","5","3","1") = "8"
    & skf18("3","6","9","4","5","4","1") = "8"
    & skf18("3","6","9","4","5","5","1") = "8"
    & skf18("3","6","9","4","5","6","1") = "8"
    & skf18("3","6","9","4","5","7","1") = "8"
    & skf18("3","6","9","4","5","8","1") = "8"
    & skf18("3","6","9","4","5","9","1") = "8"
    & skf18("3","6","9","4","5","10","1") = "9"
    & skf18("3","6","9","4","6","1","1") = "8"
    & skf18("3","6","9","4","6","2","1") = "8"
    & skf18("3","6","9","4","6","3","1") = "8"
    & skf18("3","6","9","4","6","4","1") = "8"
    & skf18("3","6","9","4","6","5","1") = "8"
    & skf18("3","6","9","4","6","6","1") = "8"
    & skf18("3","6","9","4","6","7","1") = "8"
    & skf18("3","6","9","4","6","8","1") = "8"
    & skf18("3","6","9","4","6","9","1") = "8"
    & skf18("3","6","9","4","6","10","1") = "9"
    & skf18("3","6","9","4","7","1","1") = "8"
    & skf18("3","6","9","4","7","2","1") = "8"
    & skf18("3","6","9","4","7","3","1") = "8"
    & skf18("3","6","9","4","7","4","1") = "8"
    & skf18("3","6","9","4","7","5","1") = "8"
    & skf18("3","6","9","4","7","6","1") = "8"
    & skf18("3","6","9","4","7","7","1") = "8"
    & skf18("3","6","9","4","7","8","1") = "8"
    & skf18("3","6","9","4","7","9","1") = "8"
    & skf18("3","6","9","4","7","10","1") = "9"
    & skf18("3","6","9","4","8","1","1") = "8"
    & skf18("3","6","9","4","8","2","1") = "8"
    & skf18("3","6","9","4","8","3","1") = "8"
    & skf18("3","6","9","4","8","4","1") = "8"
    & skf18("3","6","9","4","8","5","1") = "8"
    & skf18("3","6","9","4","8","6","1") = "8"
    & skf18("3","6","9","4","8","7","1") = "8"
    & skf18("3","6","9","4","8","8","1") = "8"
    & skf18("3","6","9","4","8","9","1") = "8"
    & skf18("3","6","9","4","8","10","1") = "9"
    & skf18("3","6","9","4","9","1","1") = "8"
    & skf18("3","6","9","4","9","2","1") = "8"
    & skf18("3","6","9","4","9","3","1") = "8"
    & skf18("3","6","9","4","9","4","1") = "8"
    & skf18("3","6","9","4","9","5","1") = "8"
    & skf18("3","6","9","4","9","6","1") = "8"
    & skf18("3","6","9","4","9","7","1") = "8"
    & skf18("3","6","9","4","9","8","1") = "8"
    & skf18("3","6","9","4","9","9","1") = "8"
    & skf18("3","6","9","4","9","10","1") = "9"
    & skf18("3","6","9","4","10","1","1") = "9"
    & skf18("3","6","9","4","10","2","1") = "9"
    & skf18("3","6","9","4","10","3","1") = "9"
    & skf18("3","6","9","4","10","4","1") = "9"
    & skf18("3","6","9","4","10","5","1") = "9"
    & skf18("3","6","9","4","10","6","1") = "9"
    & skf18("3","6","9","4","10","7","1") = "9"
    & skf18("3","6","9","4","10","8","1") = "9"
    & skf18("3","6","9","4","10","9","1") = "9"
    & skf18("3","6","9","4","10","10","1") = "9"
    & skf18("3","6","9","5","1","1","1") = "8"
    & skf18("3","6","9","5","1","2","1") = "8"
    & skf18("3","6","9","5","1","3","1") = "8"
    & skf18("3","6","9","5","1","4","1") = "8"
    & skf18("3","6","9","5","1","5","1") = "8"
    & skf18("3","6","9","5","1","6","1") = "8"
    & skf18("3","6","9","5","1","7","1") = "8"
    & skf18("3","6","9","5","1","8","1") = "8"
    & skf18("3","6","9","5","1","9","1") = "8"
    & skf18("3","6","9","5","1","10","1") = "9"
    & skf18("3","6","9","5","2","1","1") = "8"
    & skf18("3","6","9","5","2","2","1") = "8"
    & skf18("3","6","9","5","2","3","1") = "8"
    & skf18("3","6","9","5","2","4","1") = "8"
    & skf18("3","6","9","5","2","5","1") = "8"
    & skf18("3","6","9","5","2","6","1") = "8"
    & skf18("3","6","9","5","2","7","1") = "8"
    & skf18("3","6","9","5","2","8","1") = "8"
    & skf18("3","6","9","5","2","9","1") = "8"
    & skf18("3","6","9","5","2","10","1") = "9"
    & skf18("3","6","9","5","3","1","1") = "8"
    & skf18("3","6","9","5","3","2","1") = "8"
    & skf18("3","6","9","5","3","3","1") = "8"
    & skf18("3","6","9","5","3","4","1") = "8"
    & skf18("3","6","9","5","3","5","1") = "8"
    & skf18("3","6","9","5","3","6","1") = "8"
    & skf18("3","6","9","5","3","7","1") = "8"
    & skf18("3","6","9","5","3","8","1") = "8"
    & skf18("3","6","9","5","3","9","1") = "8"
    & skf18("3","6","9","5","3","10","1") = "9"
    & skf18("3","6","9","5","4","1","1") = "8"
    & skf18("3","6","9","5","4","2","1") = "8"
    & skf18("3","6","9","5","4","3","1") = "8"
    & skf18("3","6","9","5","4","4","1") = "8"
    & skf18("3","6","9","5","4","5","1") = "8"
    & skf18("3","6","9","5","4","6","1") = "8"
    & skf18("3","6","9","5","4","7","1") = "8"
    & skf18("3","6","9","5","4","8","1") = "8"
    & skf18("3","6","9","5","4","9","1") = "8"
    & skf18("3","6","9","5","4","10","1") = "9"
    & skf18("3","6","9","5","5","1","1") = "8"
    & skf18("3","6","9","5","5","2","1") = "8"
    & skf18("3","6","9","5","5","3","1") = "8"
    & skf18("3","6","9","5","5","4","1") = "8"
    & skf18("3","6","9","5","5","5","1") = "8"
    & skf18("3","6","9","5","5","6","1") = "8"
    & skf18("3","6","9","5","5","7","1") = "8"
    & skf18("3","6","9","5","5","8","1") = "8"
    & skf18("3","6","9","5","5","9","1") = "8"
    & skf18("3","6","9","5","5","10","1") = "9"
    & skf18("3","6","9","5","6","1","1") = "8"
    & skf18("3","6","9","5","6","2","1") = "8"
    & skf18("3","6","9","5","6","3","1") = "8"
    & skf18("3","6","9","5","6","4","1") = "8"
    & skf18("3","6","9","5","6","5","1") = "8"
    & skf18("3","6","9","5","6","6","1") = "8"
    & skf18("3","6","9","5","6","7","1") = "8"
    & skf18("3","6","9","5","6","8","1") = "8"
    & skf18("3","6","9","5","6","9","1") = "8"
    & skf18("3","6","9","5","6","10","1") = "9"
    & skf18("3","6","9","5","7","1","1") = "8"
    & skf18("3","6","9","5","7","2","1") = "8"
    & skf18("3","6","9","5","7","3","1") = "8"
    & skf18("3","6","9","5","7","4","1") = "8"
    & skf18("3","6","9","5","7","5","1") = "8"
    & skf18("3","6","9","5","7","6","1") = "8"
    & skf18("3","6","9","5","7","7","1") = "8"
    & skf18("3","6","9","5","7","8","1") = "8"
    & skf18("3","6","9","5","7","9","1") = "8"
    & skf18("3","6","9","5","7","10","1") = "9"
    & skf18("3","6","9","5","8","1","1") = "8"
    & skf18("3","6","9","5","8","2","1") = "8"
    & skf18("3","6","9","5","8","3","1") = "8"
    & skf18("3","6","9","5","8","4","1") = "8"
    & skf18("3","6","9","5","8","5","1") = "8"
    & skf18("3","6","9","5","8","6","1") = "8"
    & skf18("3","6","9","5","8","7","1") = "8"
    & skf18("3","6","9","5","8","8","1") = "8"
    & skf18("3","6","9","5","8","9","1") = "8"
    & skf18("3","6","9","5","8","10","1") = "9"
    & skf18("3","6","9","5","9","1","1") = "8"
    & skf18("3","6","9","5","9","2","1") = "8"
    & skf18("3","6","9","5","9","3","1") = "8"
    & skf18("3","6","9","5","9","4","1") = "8"
    & skf18("3","6","9","5","9","5","1") = "8"
    & skf18("3","6","9","5","9","6","1") = "8"
    & skf18("3","6","9","5","9","7","1") = "8"
    & skf18("3","6","9","5","9","8","1") = "8"
    & skf18("3","6","9","5","9","9","1") = "8"
    & skf18("3","6","9","5","9","10","1") = "9"
    & skf18("3","6","9","5","10","1","1") = "9"
    & skf18("3","6","9","5","10","2","1") = "9"
    & skf18("3","6","9","5","10","3","1") = "9"
    & skf18("3","6","9","5","10","4","1") = "9"
    & skf18("3","6","9","5","10","5","1") = "9"
    & skf18("3","6","9","5","10","6","1") = "9"
    & skf18("3","6","9","5","10","7","1") = "9"
    & skf18("3","6","9","5","10","8","1") = "9"
    & skf18("3","6","9","5","10","9","1") = "9"
    & skf18("3","6","9","5","10","10","1") = "9"
    & skf18("3","6","9","6","1","1","1") = "8"
    & skf18("3","6","9","6","1","2","1") = "8"
    & skf18("3","6","9","6","1","3","1") = "8"
    & skf18("3","6","9","6","1","4","1") = "8"
    & skf18("3","6","9","6","1","5","1") = "8"
    & skf18("3","6","9","6","1","6","1") = "8"
    & skf18("3","6","9","6","1","7","1") = "8"
    & skf18("3","6","9","6","1","8","1") = "8"
    & skf18("3","6","9","6","1","9","1") = "8"
    & skf18("3","6","9","6","1","10","1") = "9"
    & skf18("3","6","9","6","2","1","1") = "8"
    & skf18("3","6","9","6","2","2","1") = "8"
    & skf18("3","6","9","6","2","3","1") = "8"
    & skf18("3","6","9","6","2","4","1") = "8"
    & skf18("3","6","9","6","2","5","1") = "8"
    & skf18("3","6","9","6","2","6","1") = "8"
    & skf18("3","6","9","6","2","7","1") = "8"
    & skf18("3","6","9","6","2","8","1") = "8"
    & skf18("3","6","9","6","2","9","1") = "8"
    & skf18("3","6","9","6","2","10","1") = "9"
    & skf18("3","6","9","6","3","1","1") = "8"
    & skf18("3","6","9","6","3","2","1") = "8"
    & skf18("3","6","9","6","3","3","1") = "8"
    & skf18("3","6","9","6","3","4","1") = "8"
    & skf18("3","6","9","6","3","5","1") = "8"
    & skf18("3","6","9","6","3","6","1") = "8"
    & skf18("3","6","9","6","3","7","1") = "8"
    & skf18("3","6","9","6","3","8","1") = "8"
    & skf18("3","6","9","6","3","9","1") = "8"
    & skf18("3","6","9","6","3","10","1") = "9"
    & skf18("3","6","9","6","4","1","1") = "8"
    & skf18("3","6","9","6","4","2","1") = "8"
    & skf18("3","6","9","6","4","3","1") = "8"
    & skf18("3","6","9","6","4","4","1") = "8"
    & skf18("3","6","9","6","4","5","1") = "8"
    & skf18("3","6","9","6","4","6","1") = "8"
    & skf18("3","6","9","6","4","7","1") = "8"
    & skf18("3","6","9","6","4","8","1") = "8"
    & skf18("3","6","9","6","4","9","1") = "8"
    & skf18("3","6","9","6","4","10","1") = "9"
    & skf18("3","6","9","6","5","1","1") = "8"
    & skf18("3","6","9","6","5","2","1") = "8"
    & skf18("3","6","9","6","5","3","1") = "8"
    & skf18("3","6","9","6","5","4","1") = "8"
    & skf18("3","6","9","6","5","5","1") = "8"
    & skf18("3","6","9","6","5","6","1") = "8"
    & skf18("3","6","9","6","5","7","1") = "8"
    & skf18("3","6","9","6","5","8","1") = "8"
    & skf18("3","6","9","6","5","9","1") = "8"
    & skf18("3","6","9","6","5","10","1") = "9"
    & skf18("3","6","9","6","6","1","1") = "8"
    & skf18("3","6","9","6","6","2","1") = "8"
    & skf18("3","6","9","6","6","3","1") = "8"
    & skf18("3","6","9","6","6","4","1") = "8"
    & skf18("3","6","9","6","6","5","1") = "8"
    & skf18("3","6","9","6","6","6","1") = "8"
    & skf18("3","6","9","6","6","7","1") = "8"
    & skf18("3","6","9","6","6","8","1") = "8"
    & skf18("3","6","9","6","6","9","1") = "8"
    & skf18("3","6","9","6","6","10","1") = "9"
    & skf18("3","6","9","6","7","1","1") = "8"
    & skf18("3","6","9","6","7","2","1") = "8"
    & skf18("3","6","9","6","7","3","1") = "8"
    & skf18("3","6","9","6","7","4","1") = "8"
    & skf18("3","6","9","6","7","5","1") = "8"
    & skf18("3","6","9","6","7","6","1") = "8"
    & skf18("3","6","9","6","7","7","1") = "8"
    & skf18("3","6","9","6","7","8","1") = "8"
    & skf18("3","6","9","6","7","9","1") = "8"
    & skf18("3","6","9","6","7","10","1") = "9"
    & skf18("3","6","9","6","8","1","1") = "8"
    & skf18("3","6","9","6","8","2","1") = "8"
    & skf18("3","6","9","6","8","3","1") = "8"
    & skf18("3","6","9","6","8","4","1") = "8"
    & skf18("3","6","9","6","8","5","1") = "8"
    & skf18("3","6","9","6","8","6","1") = "8"
    & skf18("3","6","9","6","8","7","1") = "8"
    & skf18("3","6","9","6","8","8","1") = "8"
    & skf18("3","6","9","6","8","9","1") = "8"
    & skf18("3","6","9","6","8","10","1") = "9"
    & skf18("3","6","9","6","9","1","1") = "8"
    & skf18("3","6","9","6","9","2","1") = "8"
    & skf18("3","6","9","6","9","3","1") = "8"
    & skf18("3","6","9","6","9","4","1") = "8"
    & skf18("3","6","9","6","9","5","1") = "8"
    & skf18("3","6","9","6","9","6","1") = "8"
    & skf18("3","6","9","6","9","7","1") = "8"
    & skf18("3","6","9","6","9","8","1") = "8"
    & skf18("3","6","9","6","9","9","1") = "8"
    & skf18("3","6","9","6","9","10","1") = "9"
    & skf18("3","6","9","6","10","1","1") = "9"
    & skf18("3","6","9","6","10","2","1") = "9"
    & skf18("3","6","9","6","10","3","1") = "9"
    & skf18("3","6","9","6","10","4","1") = "9"
    & skf18("3","6","9","6","10","5","1") = "9"
    & skf18("3","6","9","6","10","6","1") = "9"
    & skf18("3","6","9","6","10","7","1") = "9"
    & skf18("3","6","9","6","10","8","1") = "9"
    & skf18("3","6","9","6","10","9","1") = "9"
    & skf18("3","6","9","6","10","10","1") = "9"
    & skf18("3","6","9","7","1","1","1") = "8"
    & skf18("3","6","9","7","1","2","1") = "8"
    & skf18("3","6","9","7","1","3","1") = "8"
    & skf18("3","6","9","7","1","4","1") = "8"
    & skf18("3","6","9","7","1","5","1") = "8"
    & skf18("3","6","9","7","1","6","1") = "8"
    & skf18("3","6","9","7","1","7","1") = "8"
    & skf18("3","6","9","7","1","8","1") = "8"
    & skf18("3","6","9","7","1","9","1") = "8"
    & skf18("3","6","9","7","1","10","1") = "9"
    & skf18("3","6","9","7","2","1","1") = "8"
    & skf18("3","6","9","7","2","2","1") = "8"
    & skf18("3","6","9","7","2","3","1") = "8"
    & skf18("3","6","9","7","2","4","1") = "8"
    & skf18("3","6","9","7","2","5","1") = "8"
    & skf18("3","6","9","7","2","6","1") = "8"
    & skf18("3","6","9","7","2","7","1") = "8"
    & skf18("3","6","9","7","2","8","1") = "8"
    & skf18("3","6","9","7","2","9","1") = "8"
    & skf18("3","6","9","7","2","10","1") = "9"
    & skf18("3","6","9","7","3","1","1") = "8"
    & skf18("3","6","9","7","3","2","1") = "8"
    & skf18("3","6","9","7","3","3","1") = "8"
    & skf18("3","6","9","7","3","4","1") = "8"
    & skf18("3","6","9","7","3","5","1") = "8"
    & skf18("3","6","9","7","3","6","1") = "8"
    & skf18("3","6","9","7","3","7","1") = "8"
    & skf18("3","6","9","7","3","8","1") = "8"
    & skf18("3","6","9","7","3","9","1") = "8"
    & skf18("3","6","9","7","3","10","1") = "9"
    & skf18("3","6","9","7","4","1","1") = "8"
    & skf18("3","6","9","7","4","2","1") = "8"
    & skf18("3","6","9","7","4","3","1") = "8"
    & skf18("3","6","9","7","4","4","1") = "8"
    & skf18("3","6","9","7","4","5","1") = "8"
    & skf18("3","6","9","7","4","6","1") = "8"
    & skf18("3","6","9","7","4","7","1") = "8"
    & skf18("3","6","9","7","4","8","1") = "8"
    & skf18("3","6","9","7","4","9","1") = "8"
    & skf18("3","6","9","7","4","10","1") = "9"
    & skf18("3","6","9","7","5","1","1") = "8"
    & skf18("3","6","9","7","5","2","1") = "8"
    & skf18("3","6","9","7","5","3","1") = "8"
    & skf18("3","6","9","7","5","4","1") = "8"
    & skf18("3","6","9","7","5","5","1") = "8"
    & skf18("3","6","9","7","5","6","1") = "8"
    & skf18("3","6","9","7","5","7","1") = "8"
    & skf18("3","6","9","7","5","8","1") = "8"
    & skf18("3","6","9","7","5","9","1") = "8"
    & skf18("3","6","9","7","5","10","1") = "9"
    & skf18("3","6","9","7","6","1","1") = "8"
    & skf18("3","6","9","7","6","2","1") = "8"
    & skf18("3","6","9","7","6","3","1") = "8"
    & skf18("3","6","9","7","6","4","1") = "8"
    & skf18("3","6","9","7","6","5","1") = "8"
    & skf18("3","6","9","7","6","6","1") = "8"
    & skf18("3","6","9","7","6","7","1") = "8"
    & skf18("3","6","9","7","6","8","1") = "8"
    & skf18("3","6","9","7","6","9","1") = "8"
    & skf18("3","6","9","7","6","10","1") = "9"
    & skf18("3","6","9","7","7","1","1") = "8"
    & skf18("3","6","9","7","7","2","1") = "8"
    & skf18("3","6","9","7","7","3","1") = "8"
    & skf18("3","6","9","7","7","4","1") = "8"
    & skf18("3","6","9","7","7","5","1") = "8"
    & skf18("3","6","9","7","7","6","1") = "8"
    & skf18("3","6","9","7","7","7","1") = "8"
    & skf18("3","6","9","7","7","8","1") = "8"
    & skf18("3","6","9","7","7","9","1") = "8"
    & skf18("3","6","9","7","7","10","1") = "9"
    & skf18("3","6","9","7","8","1","1") = "8"
    & skf18("3","6","9","7","8","2","1") = "8"
    & skf18("3","6","9","7","8","3","1") = "8"
    & skf18("3","6","9","7","8","4","1") = "8"
    & skf18("3","6","9","7","8","5","1") = "8"
    & skf18("3","6","9","7","8","6","1") = "8"
    & skf18("3","6","9","7","8","7","1") = "8"
    & skf18("3","6","9","7","8","8","1") = "8"
    & skf18("3","6","9","7","8","9","1") = "8"
    & skf18("3","6","9","7","8","10","1") = "9"
    & skf18("3","6","9","7","9","1","1") = "8"
    & skf18("3","6","9","7","9","2","1") = "8"
    & skf18("3","6","9","7","9","3","1") = "8"
    & skf18("3","6","9","7","9","4","1") = "8"
    & skf18("3","6","9","7","9","5","1") = "8"
    & skf18("3","6","9","7","9","6","1") = "8"
    & skf18("3","6","9","7","9","7","1") = "8"
    & skf18("3","6","9","7","9","8","1") = "8"
    & skf18("3","6","9","7","9","9","1") = "8"
    & skf18("3","6","9","7","9","10","1") = "9"
    & skf18("3","6","9","7","10","1","1") = "9"
    & skf18("3","6","9","7","10","2","1") = "9"
    & skf18("3","6","9","7","10","3","1") = "9"
    & skf18("3","6","9","7","10","4","1") = "9"
    & skf18("3","6","9","7","10","5","1") = "9"
    & skf18("3","6","9","7","10","6","1") = "9"
    & skf18("3","6","9","7","10","7","1") = "9"
    & skf18("3","6","9","7","10","8","1") = "9"
    & skf18("3","6","9","7","10","9","1") = "9"
    & skf18("3","6","9","7","10","10","1") = "9"
    & skf18("3","6","9","8","1","1","1") = "8"
    & skf18("3","6","9","8","1","2","1") = "8"
    & skf18("3","6","9","8","1","3","1") = "8"
    & skf18("3","6","9","8","1","4","1") = "8"
    & skf18("3","6","9","8","1","5","1") = "8"
    & skf18("3","6","9","8","1","6","1") = "8"
    & skf18("3","6","9","8","1","7","1") = "8"
    & skf18("3","6","9","8","1","8","1") = "8"
    & skf18("3","6","9","8","1","9","1") = "8"
    & skf18("3","6","9","8","1","10","1") = "9"
    & skf18("3","6","9","8","2","1","1") = "8"
    & skf18("3","6","9","8","2","2","1") = "8"
    & skf18("3","6","9","8","2","3","1") = "8"
    & skf18("3","6","9","8","2","4","1") = "8"
    & skf18("3","6","9","8","2","5","1") = "8"
    & skf18("3","6","9","8","2","6","1") = "8"
    & skf18("3","6","9","8","2","7","1") = "8"
    & skf18("3","6","9","8","2","8","1") = "8"
    & skf18("3","6","9","8","2","9","1") = "8"
    & skf18("3","6","9","8","2","10","1") = "9"
    & skf18("3","6","9","8","3","1","1") = "8"
    & skf18("3","6","9","8","3","2","1") = "8"
    & skf18("3","6","9","8","3","3","1") = "8"
    & skf18("3","6","9","8","3","4","1") = "8"
    & skf18("3","6","9","8","3","5","1") = "8"
    & skf18("3","6","9","8","3","6","1") = "8"
    & skf18("3","6","9","8","3","7","1") = "8"
    & skf18("3","6","9","8","3","8","1") = "8"
    & skf18("3","6","9","8","3","9","1") = "8"
    & skf18("3","6","9","8","3","10","1") = "9"
    & skf18("3","6","9","8","4","1","1") = "8"
    & skf18("3","6","9","8","4","2","1") = "8"
    & skf18("3","6","9","8","4","3","1") = "8"
    & skf18("3","6","9","8","4","4","1") = "8"
    & skf18("3","6","9","8","4","5","1") = "8"
    & skf18("3","6","9","8","4","6","1") = "8"
    & skf18("3","6","9","8","4","7","1") = "8"
    & skf18("3","6","9","8","4","8","1") = "8"
    & skf18("3","6","9","8","4","9","1") = "8"
    & skf18("3","6","9","8","4","10","1") = "9"
    & skf18("3","6","9","8","5","1","1") = "8"
    & skf18("3","6","9","8","5","2","1") = "8"
    & skf18("3","6","9","8","5","3","1") = "8"
    & skf18("3","6","9","8","5","4","1") = "8"
    & skf18("3","6","9","8","5","5","1") = "8"
    & skf18("3","6","9","8","5","6","1") = "8"
    & skf18("3","6","9","8","5","7","1") = "8"
    & skf18("3","6","9","8","5","8","1") = "8"
    & skf18("3","6","9","8","5","9","1") = "8"
    & skf18("3","6","9","8","5","10","1") = "9"
    & skf18("3","6","9","8","6","1","1") = "8"
    & skf18("3","6","9","8","6","2","1") = "8"
    & skf18("3","6","9","8","6","3","1") = "8"
    & skf18("3","6","9","8","6","4","1") = "8"
    & skf18("3","6","9","8","6","5","1") = "8"
    & skf18("3","6","9","8","6","6","1") = "8"
    & skf18("3","6","9","8","6","7","1") = "8"
    & skf18("3","6","9","8","6","8","1") = "8"
    & skf18("3","6","9","8","6","9","1") = "8"
    & skf18("3","6","9","8","6","10","1") = "9"
    & skf18("3","6","9","8","7","1","1") = "8"
    & skf18("3","6","9","8","7","2","1") = "8"
    & skf18("3","6","9","8","7","3","1") = "8"
    & skf18("3","6","9","8","7","4","1") = "8"
    & skf18("3","6","9","8","7","5","1") = "8"
    & skf18("3","6","9","8","7","6","1") = "8"
    & skf18("3","6","9","8","7","7","1") = "8"
    & skf18("3","6","9","8","7","8","1") = "8"
    & skf18("3","6","9","8","7","9","1") = "8"
    & skf18("3","6","9","8","7","10","1") = "9"
    & skf18("3","6","9","8","8","1","1") = "8"
    & skf18("3","6","9","8","8","2","1") = "8"
    & skf18("3","6","9","8","8","3","1") = "8"
    & skf18("3","6","9","8","8","4","1") = "8"
    & skf18("3","6","9","8","8","5","1") = "8"
    & skf18("3","6","9","8","8","6","1") = "8"
    & skf18("3","6","9","8","8","7","1") = "8"
    & skf18("3","6","9","8","8","8","1") = "8"
    & skf18("3","6","9","8","8","9","1") = "8"
    & skf18("3","6","9","8","8","10","1") = "9"
    & skf18("3","6","9","8","9","1","1") = "8"
    & skf18("3","6","9","8","9","2","1") = "8"
    & skf18("3","6","9","8","9","3","1") = "8"
    & skf18("3","6","9","8","9","4","1") = "8"
    & skf18("3","6","9","8","9","5","1") = "8"
    & skf18("3","6","9","8","9","6","1") = "8"
    & skf18("3","6","9","8","9","7","1") = "8"
    & skf18("3","6","9","8","9","8","1") = "8"
    & skf18("3","6","9","8","9","9","1") = "8"
    & skf18("3","6","9","8","9","10","1") = "9"
    & skf18("3","6","9","8","10","1","1") = "9"
    & skf18("3","6","9","8","10","2","1") = "9"
    & skf18("3","6","9","8","10","3","1") = "9"
    & skf18("3","6","9","8","10","4","1") = "9"
    & skf18("3","6","9","8","10","5","1") = "9"
    & skf18("3","6","9","8","10","6","1") = "9"
    & skf18("3","6","9","8","10","7","1") = "9"
    & skf18("3","6","9","8","10","8","1") = "9"
    & skf18("3","6","9","8","10","9","1") = "9"
    & skf18("3","6","9","8","10","10","1") = "9"
    & skf18("3","6","9","9","1","1","1") = "8"
    & skf18("3","6","9","9","1","2","1") = "8"
    & skf18("3","6","9","9","1","3","1") = "8"
    & skf18("3","6","9","9","1","4","1") = "8"
    & skf18("3","6","9","9","1","5","1") = "8"
    & skf18("3","6","9","9","1","6","1") = "8"
    & skf18("3","6","9","9","1","7","1") = "8"
    & skf18("3","6","9","9","1","8","1") = "8"
    & skf18("3","6","9","9","1","9","1") = "8"
    & skf18("3","6","9","9","1","10","1") = "9"
    & skf18("3","6","9","9","2","1","1") = "8"
    & skf18("3","6","9","9","2","2","1") = "8"
    & skf18("3","6","9","9","2","3","1") = "8"
    & skf18("3","6","9","9","2","4","1") = "8"
    & skf18("3","6","9","9","2","5","1") = "8"
    & skf18("3","6","9","9","2","6","1") = "8"
    & skf18("3","6","9","9","2","7","1") = "8"
    & skf18("3","6","9","9","2","8","1") = "8"
    & skf18("3","6","9","9","2","9","1") = "8"
    & skf18("3","6","9","9","2","10","1") = "9"
    & skf18("3","6","9","9","3","1","1") = "8"
    & skf18("3","6","9","9","3","2","1") = "8"
    & skf18("3","6","9","9","3","3","1") = "8"
    & skf18("3","6","9","9","3","4","1") = "8"
    & skf18("3","6","9","9","3","5","1") = "8"
    & skf18("3","6","9","9","3","6","1") = "8"
    & skf18("3","6","9","9","3","7","1") = "8"
    & skf18("3","6","9","9","3","8","1") = "8"
    & skf18("3","6","9","9","3","9","1") = "8"
    & skf18("3","6","9","9","3","10","1") = "9"
    & skf18("3","6","9","9","4","1","1") = "8"
    & skf18("3","6","9","9","4","2","1") = "8"
    & skf18("3","6","9","9","4","3","1") = "8"
    & skf18("3","6","9","9","4","4","1") = "8"
    & skf18("3","6","9","9","4","5","1") = "8"
    & skf18("3","6","9","9","4","6","1") = "8"
    & skf18("3","6","9","9","4","7","1") = "8"
    & skf18("3","6","9","9","4","8","1") = "8"
    & skf18("3","6","9","9","4","9","1") = "8"
    & skf18("3","6","9","9","4","10","1") = "9"
    & skf18("3","6","9","9","5","1","1") = "8"
    & skf18("3","6","9","9","5","2","1") = "8"
    & skf18("3","6","9","9","5","3","1") = "8"
    & skf18("3","6","9","9","5","4","1") = "8"
    & skf18("3","6","9","9","5","5","1") = "8"
    & skf18("3","6","9","9","5","6","1") = "8"
    & skf18("3","6","9","9","5","7","1") = "8"
    & skf18("3","6","9","9","5","8","1") = "8"
    & skf18("3","6","9","9","5","9","1") = "8"
    & skf18("3","6","9","9","5","10","1") = "9"
    & skf18("3","6","9","9","6","1","1") = "8"
    & skf18("3","6","9","9","6","2","1") = "8"
    & skf18("3","6","9","9","6","3","1") = "8"
    & skf18("3","6","9","9","6","4","1") = "8"
    & skf18("3","6","9","9","6","5","1") = "8"
    & skf18("3","6","9","9","6","6","1") = "8"
    & skf18("3","6","9","9","6","7","1") = "8"
    & skf18("3","6","9","9","6","8","1") = "8"
    & skf18("3","6","9","9","6","9","1") = "8"
    & skf18("3","6","9","9","6","10","1") = "9"
    & skf18("3","6","9","9","7","1","1") = "8"
    & skf18("3","6","9","9","7","2","1") = "8"
    & skf18("3","6","9","9","7","3","1") = "8"
    & skf18("3","6","9","9","7","4","1") = "8"
    & skf18("3","6","9","9","7","5","1") = "8"
    & skf18("3","6","9","9","7","6","1") = "8"
    & skf18("3","6","9","9","7","7","1") = "8"
    & skf18("3","6","9","9","7","8","1") = "8"
    & skf18("3","6","9","9","7","9","1") = "8"
    & skf18("3","6","9","9","7","10","1") = "9"
    & skf18("3","6","9","9","8","1","1") = "8"
    & skf18("3","6","9","9","8","2","1") = "8"
    & skf18("3","6","9","9","8","3","1") = "8"
    & skf18("3","6","9","9","8","4","1") = "8"
    & skf18("3","6","9","9","8","5","1") = "8"
    & skf18("3","6","9","9","8","6","1") = "8"
    & skf18("3","6","9","9","8","7","1") = "8"
    & skf18("3","6","9","9","8","8","1") = "8"
    & skf18("3","6","9","9","8","9","1") = "8"
    & skf18("3","6","9","9","8","10","1") = "9"
    & skf18("3","6","9","9","9","1","1") = "8"
    & skf18("3","6","9","9","9","2","1") = "8"
    & skf18("3","6","9","9","9","3","1") = "8"
    & skf18("3","6","9","9","9","4","1") = "8"
    & skf18("3","6","9","9","9","5","1") = "8"
    & skf18("3","6","9","9","9","6","1") = "8"
    & skf18("3","6","9","9","9","7","1") = "8"
    & skf18("3","6","9","9","9","8","1") = "8"
    & skf18("3","6","9","9","9","9","1") = "8"
    & skf18("3","6","9","9","9","10","1") = "9"
    & skf18("3","6","9","9","10","1","1") = "9"
    & skf18("3","6","9","9","10","2","1") = "9"
    & skf18("3","6","9","9","10","3","1") = "9"
    & skf18("3","6","9","9","10","4","1") = "9"
    & skf18("3","6","9","9","10","5","1") = "9"
    & skf18("3","6","9","9","10","6","1") = "9"
    & skf18("3","6","9","9","10","7","1") = "9"
    & skf18("3","6","9","9","10","8","1") = "9"
    & skf18("3","6","9","9","10","9","1") = "9"
    & skf18("3","6","9","9","10","10","1") = "9"
    & skf18("3","6","9","10","1","1","1") = "9"
    & skf18("3","6","9","10","1","2","1") = "9"
    & skf18("3","6","9","10","1","3","1") = "9"
    & skf18("3","6","9","10","1","4","1") = "9"
    & skf18("3","6","9","10","1","5","1") = "9"
    & skf18("3","6","9","10","1","6","1") = "9"
    & skf18("3","6","9","10","1","7","1") = "9"
    & skf18("3","6","9","10","1","8","1") = "9"
    & skf18("3","6","9","10","1","9","1") = "9"
    & skf18("3","6","9","10","1","10","1") = "9"
    & skf18("3","6","9","10","2","1","1") = "9"
    & skf18("3","6","9","10","2","2","1") = "9"
    & skf18("3","6","9","10","2","3","1") = "9"
    & skf18("3","6","9","10","2","4","1") = "9"
    & skf18("3","6","9","10","2","5","1") = "9"
    & skf18("3","6","9","10","2","6","1") = "9"
    & skf18("3","6","9","10","2","7","1") = "9"
    & skf18("3","6","9","10","2","8","1") = "9"
    & skf18("3","6","9","10","2","9","1") = "9"
    & skf18("3","6","9","10","2","10","1") = "9"
    & skf18("3","6","9","10","3","1","1") = "9"
    & skf18("3","6","9","10","3","2","1") = "9"
    & skf18("3","6","9","10","3","3","1") = "9"
    & skf18("3","6","9","10","3","4","1") = "9"
    & skf18("3","6","9","10","3","5","1") = "9"
    & skf18("3","6","9","10","3","6","1") = "9"
    & skf18("3","6","9","10","3","7","1") = "9"
    & skf18("3","6","9","10","3","8","1") = "9"
    & skf18("3","6","9","10","3","9","1") = "9"
    & skf18("3","6","9","10","3","10","1") = "9"
    & skf18("3","6","9","10","4","1","1") = "9"
    & skf18("3","6","9","10","4","2","1") = "9"
    & skf18("3","6","9","10","4","3","1") = "9"
    & skf18("3","6","9","10","4","4","1") = "9"
    & skf18("3","6","9","10","4","5","1") = "9"
    & skf18("3","6","9","10","4","6","1") = "9"
    & skf18("3","6","9","10","4","7","1") = "9"
    & skf18("3","6","9","10","4","8","1") = "9"
    & skf18("3","6","9","10","4","9","1") = "9"
    & skf18("3","6","9","10","4","10","1") = "9"
    & skf18("3","6","9","10","5","1","1") = "9"
    & skf18("3","6","9","10","5","2","1") = "9"
    & skf18("3","6","9","10","5","3","1") = "9"
    & skf18("3","6","9","10","5","4","1") = "9"
    & skf18("3","6","9","10","5","5","1") = "9"
    & skf18("3","6","9","10","5","6","1") = "9"
    & skf18("3","6","9","10","5","7","1") = "9"
    & skf18("3","6","9","10","5","8","1") = "9"
    & skf18("3","6","9","10","5","9","1") = "9"
    & skf18("3","6","9","10","5","10","1") = "9"
    & skf18("3","6","9","10","6","1","1") = "9"
    & skf18("3","6","9","10","6","2","1") = "9"
    & skf18("3","6","9","10","6","3","1") = "9"
    & skf18("3","6","9","10","6","4","1") = "9"
    & skf18("3","6","9","10","6","5","1") = "9"
    & skf18("3","6","9","10","6","6","1") = "9"
    & skf18("3","6","9","10","6","7","1") = "9"
    & skf18("3","6","9","10","6","8","1") = "9"
    & skf18("3","6","9","10","6","9","1") = "9"
    & skf18("3","6","9","10","6","10","1") = "9"
    & skf18("3","6","9","10","7","1","1") = "9"
    & skf18("3","6","9","10","7","2","1") = "9"
    & skf18("3","6","9","10","7","3","1") = "9"
    & skf18("3","6","9","10","7","4","1") = "9"
    & skf18("3","6","9","10","7","5","1") = "9"
    & skf18("3","6","9","10","7","6","1") = "9"
    & skf18("3","6","9","10","7","7","1") = "9"
    & skf18("3","6","9","10","7","8","1") = "9"
    & skf18("3","6","9","10","7","9","1") = "9"
    & skf18("3","6","9","10","7","10","1") = "9"
    & skf18("3","6","9","10","8","1","1") = "9"
    & skf18("3","6","9","10","8","2","1") = "9"
    & skf18("3","6","9","10","8","3","1") = "9"
    & skf18("3","6","9","10","8","4","1") = "9"
    & skf18("3","6","9","10","8","5","1") = "9"
    & skf18("3","6","9","10","8","6","1") = "9"
    & skf18("3","6","9","10","8","7","1") = "9"
    & skf18("3","6","9","10","8","8","1") = "9"
    & skf18("3","6","9","10","8","9","1") = "9"
    & skf18("3","6","9","10","8","10","1") = "9"
    & skf18("3","6","9","10","9","1","1") = "9"
    & skf18("3","6","9","10","9","2","1") = "9"
    & skf18("3","6","9","10","9","3","1") = "9"
    & skf18("3","6","9","10","9","4","1") = "9"
    & skf18("3","6","9","10","9","5","1") = "9"
    & skf18("3","6","9","10","9","6","1") = "9"
    & skf18("3","6","9","10","9","7","1") = "9"
    & skf18("3","6","9","10","9","8","1") = "9"
    & skf18("3","6","9","10","9","9","1") = "9"
    & skf18("3","6","9","10","9","10","1") = "9"
    & skf18("3","6","9","10","10","1","1") = "9"
    & skf18("3","6","9","10","10","2","1") = "9"
    & skf18("3","6","9","10","10","3","1") = "9"
    & skf18("3","6","9","10","10","4","1") = "9"
    & skf18("3","6","9","10","10","5","1") = "9"
    & skf18("3","6","9","10","10","6","1") = "9"
    & skf18("3","6","9","10","10","7","1") = "9"
    & skf18("3","6","9","10","10","8","1") = "9"
    & skf18("3","6","9","10","10","9","1") = "9"
    & skf18("3","6","9","10","10","10","1") = "9"
    & skf18("3","6","10","1","1","1","1") = "9"
    & skf18("3","6","10","1","1","2","1") = "9"
    & skf18("3","6","10","1","1","3","1") = "9"
    & skf18("3","6","10","1","1","4","1") = "9"
    & skf18("3","6","10","1","1","5","1") = "9"
    & skf18("3","6","10","1","1","6","1") = "9"
    & skf18("3","6","10","1","1","7","1") = "9"
    & skf18("3","6","10","1","1","8","1") = "9"
    & skf18("3","6","10","1","1","9","1") = "9"
    & skf18("3","6","10","1","1","10","1") = "9"
    & skf18("3","6","10","1","2","1","1") = "9"
    & skf18("3","6","10","1","2","2","1") = "9"
    & skf18("3","6","10","1","2","3","1") = "9"
    & skf18("3","6","10","1","2","4","1") = "9"
    & skf18("3","6","10","1","2","5","1") = "9"
    & skf18("3","6","10","1","2","6","1") = "9"
    & skf18("3","6","10","1","2","7","1") = "9"
    & skf18("3","6","10","1","2","8","1") = "9"
    & skf18("3","6","10","1","2","9","1") = "9"
    & skf18("3","6","10","1","2","10","1") = "9"
    & skf18("3","6","10","1","3","1","1") = "9"
    & skf18("3","6","10","1","3","2","1") = "9"
    & skf18("3","6","10","1","3","3","1") = "9"
    & skf18("3","6","10","1","3","4","1") = "9"
    & skf18("3","6","10","1","3","5","1") = "9"
    & skf18("3","6","10","1","3","6","1") = "9"
    & skf18("3","6","10","1","3","7","1") = "9"
    & skf18("3","6","10","1","3","8","1") = "9"
    & skf18("3","6","10","1","3","9","1") = "9"
    & skf18("3","6","10","1","3","10","1") = "9"
    & skf18("3","6","10","1","4","1","1") = "9"
    & skf18("3","6","10","1","4","2","1") = "9"
    & skf18("3","6","10","1","4","3","1") = "9"
    & skf18("3","6","10","1","4","4","1") = "9"
    & skf18("3","6","10","1","4","5","1") = "9"
    & skf18("3","6","10","1","4","6","1") = "9"
    & skf18("3","6","10","1","4","7","1") = "9"
    & skf18("3","6","10","1","4","8","1") = "9"
    & skf18("3","6","10","1","4","9","1") = "9"
    & skf18("3","6","10","1","4","10","1") = "9"
    & skf18("3","6","10","1","5","1","1") = "9"
    & skf18("3","6","10","1","5","2","1") = "9"
    & skf18("3","6","10","1","5","3","1") = "9"
    & skf18("3","6","10","1","5","4","1") = "9"
    & skf18("3","6","10","1","5","5","1") = "9"
    & skf18("3","6","10","1","5","6","1") = "9"
    & skf18("3","6","10","1","5","7","1") = "9"
    & skf18("3","6","10","1","5","8","1") = "9"
    & skf18("3","6","10","1","5","9","1") = "9"
    & skf18("3","6","10","1","5","10","1") = "9"
    & skf18("3","6","10","1","6","1","1") = "9"
    & skf18("3","6","10","1","6","2","1") = "9"
    & skf18("3","6","10","1","6","3","1") = "9"
    & skf18("3","6","10","1","6","4","1") = "9"
    & skf18("3","6","10","1","6","5","1") = "9"
    & skf18("3","6","10","1","6","6","1") = "9"
    & skf18("3","6","10","1","6","7","1") = "9"
    & skf18("3","6","10","1","6","8","1") = "9"
    & skf18("3","6","10","1","6","9","1") = "9"
    & skf18("3","6","10","1","6","10","1") = "9"
    & skf18("3","6","10","1","7","1","1") = "9"
    & skf18("3","6","10","1","7","2","1") = "9"
    & skf18("3","6","10","1","7","3","1") = "9"
    & skf18("3","6","10","1","7","4","1") = "9"
    & skf18("3","6","10","1","7","5","1") = "9"
    & skf18("3","6","10","1","7","6","1") = "9"
    & skf18("3","6","10","1","7","7","1") = "9"
    & skf18("3","6","10","1","7","8","1") = "9"
    & skf18("3","6","10","1","7","9","1") = "9"
    & skf18("3","6","10","1","7","10","1") = "9"
    & skf18("3","6","10","1","8","1","1") = "9"
    & skf18("3","6","10","1","8","2","1") = "9"
    & skf18("3","6","10","1","8","3","1") = "9"
    & skf18("3","6","10","1","8","4","1") = "9"
    & skf18("3","6","10","1","8","5","1") = "9"
    & skf18("3","6","10","1","8","6","1") = "9"
    & skf18("3","6","10","1","8","7","1") = "9"
    & skf18("3","6","10","1","8","8","1") = "9"
    & skf18("3","6","10","1","8","9","1") = "9"
    & skf18("3","6","10","1","8","10","1") = "9"
    & skf18("3","6","10","1","9","1","1") = "9"
    & skf18("3","6","10","1","9","2","1") = "9"
    & skf18("3","6","10","1","9","3","1") = "9"
    & skf18("3","6","10","1","9","4","1") = "9"
    & skf18("3","6","10","1","9","5","1") = "9"
    & skf18("3","6","10","1","9","6","1") = "9"
    & skf18("3","6","10","1","9","7","1") = "9"
    & skf18("3","6","10","1","9","8","1") = "9"
    & skf18("3","6","10","1","9","9","1") = "9"
    & skf18("3","6","10","1","9","10","1") = "9"
    & skf18("3","6","10","1","10","1","1") = "9"
    & skf18("3","6","10","1","10","2","1") = "9"
    & skf18("3","6","10","1","10","3","1") = "9"
    & skf18("3","6","10","1","10","4","1") = "9"
    & skf18("3","6","10","1","10","5","1") = "9"
    & skf18("3","6","10","1","10","6","1") = "9"
    & skf18("3","6","10","1","10","7","1") = "9"
    & skf18("3","6","10","1","10","8","1") = "9"
    & skf18("3","6","10","1","10","9","1") = "9"
    & skf18("3","6","10","1","10","10","1") = "9"
    & skf18("3","6","10","2","1","1","1") = "9"
    & skf18("3","6","10","2","1","2","1") = "9"
    & skf18("3","6","10","2","1","3","1") = "9"
    & skf18("3","6","10","2","1","4","1") = "9"
    & skf18("3","6","10","2","1","5","1") = "9"
    & skf18("3","6","10","2","1","6","1") = "9"
    & skf18("3","6","10","2","1","7","1") = "9"
    & skf18("3","6","10","2","1","8","1") = "9"
    & skf18("3","6","10","2","1","9","1") = "9"
    & skf18("3","6","10","2","1","10","1") = "9"
    & skf18("3","6","10","2","2","1","1") = "9"
    & skf18("3","6","10","2","2","2","1") = "9"
    & skf18("3","6","10","2","2","3","1") = "9"
    & skf18("3","6","10","2","2","4","1") = "9"
    & skf18("3","6","10","2","2","5","1") = "9"
    & skf18("3","6","10","2","2","6","1") = "9"
    & skf18("3","6","10","2","2","7","1") = "9"
    & skf18("3","6","10","2","2","8","1") = "9"
    & skf18("3","6","10","2","2","9","1") = "9"
    & skf18("3","6","10","2","2","10","1") = "9"
    & skf18("3","6","10","2","3","1","1") = "9"
    & skf18("3","6","10","2","3","2","1") = "9"
    & skf18("3","6","10","2","3","3","1") = "9"
    & skf18("3","6","10","2","3","4","1") = "9"
    & skf18("3","6","10","2","3","5","1") = "9"
    & skf18("3","6","10","2","3","6","1") = "9"
    & skf18("3","6","10","2","3","7","1") = "9"
    & skf18("3","6","10","2","3","8","1") = "9"
    & skf18("3","6","10","2","3","9","1") = "9"
    & skf18("3","6","10","2","3","10","1") = "9"
    & skf18("3","6","10","2","4","1","1") = "9"
    & skf18("3","6","10","2","4","2","1") = "9"
    & skf18("3","6","10","2","4","3","1") = "9"
    & skf18("3","6","10","2","4","4","1") = "9"
    & skf18("3","6","10","2","4","5","1") = "9"
    & skf18("3","6","10","2","4","6","1") = "9"
    & skf18("3","6","10","2","4","7","1") = "9"
    & skf18("3","6","10","2","4","8","1") = "9"
    & skf18("3","6","10","2","4","9","1") = "9"
    & skf18("3","6","10","2","4","10","1") = "9"
    & skf18("3","6","10","2","5","1","1") = "9"
    & skf18("3","6","10","2","5","2","1") = "9"
    & skf18("3","6","10","2","5","3","1") = "9"
    & skf18("3","6","10","2","5","4","1") = "9"
    & skf18("3","6","10","2","5","5","1") = "9"
    & skf18("3","6","10","2","5","6","1") = "9"
    & skf18("3","6","10","2","5","7","1") = "9"
    & skf18("3","6","10","2","5","8","1") = "9"
    & skf18("3","6","10","2","5","9","1") = "9"
    & skf18("3","6","10","2","5","10","1") = "9"
    & skf18("3","6","10","2","6","1","1") = "9"
    & skf18("3","6","10","2","6","2","1") = "9"
    & skf18("3","6","10","2","6","3","1") = "9"
    & skf18("3","6","10","2","6","4","1") = "9"
    & skf18("3","6","10","2","6","5","1") = "9"
    & skf18("3","6","10","2","6","6","1") = "9"
    & skf18("3","6","10","2","6","7","1") = "9"
    & skf18("3","6","10","2","6","8","1") = "9"
    & skf18("3","6","10","2","6","9","1") = "9"
    & skf18("3","6","10","2","6","10","1") = "9"
    & skf18("3","6","10","2","7","1","1") = "9"
    & skf18("3","6","10","2","7","2","1") = "9"
    & skf18("3","6","10","2","7","3","1") = "9"
    & skf18("3","6","10","2","7","4","1") = "9"
    & skf18("3","6","10","2","7","5","1") = "9"
    & skf18("3","6","10","2","7","6","1") = "9"
    & skf18("3","6","10","2","7","7","1") = "9"
    & skf18("3","6","10","2","7","8","1") = "9"
    & skf18("3","6","10","2","7","9","1") = "9"
    & skf18("3","6","10","2","7","10","1") = "9"
    & skf18("3","6","10","2","8","1","1") = "9"
    & skf18("3","6","10","2","8","2","1") = "9"
    & skf18("3","6","10","2","8","3","1") = "9"
    & skf18("3","6","10","2","8","4","1") = "9"
    & skf18("3","6","10","2","8","5","1") = "9"
    & skf18("3","6","10","2","8","6","1") = "9"
    & skf18("3","6","10","2","8","7","1") = "9"
    & skf18("3","6","10","2","8","8","1") = "9"
    & skf18("3","6","10","2","8","9","1") = "9"
    & skf18("3","6","10","2","8","10","1") = "9"
    & skf18("3","6","10","2","9","1","1") = "9"
    & skf18("3","6","10","2","9","2","1") = "9"
    & skf18("3","6","10","2","9","3","1") = "9"
    & skf18("3","6","10","2","9","4","1") = "9"
    & skf18("3","6","10","2","9","5","1") = "9"
    & skf18("3","6","10","2","9","6","1") = "9"
    & skf18("3","6","10","2","9","7","1") = "9"
    & skf18("3","6","10","2","9","8","1") = "9"
    & skf18("3","6","10","2","9","9","1") = "9"
    & skf18("3","6","10","2","9","10","1") = "9"
    & skf18("3","6","10","2","10","1","1") = "9"
    & skf18("3","6","10","2","10","2","1") = "9"
    & skf18("3","6","10","2","10","3","1") = "9"
    & skf18("3","6","10","2","10","4","1") = "9"
    & skf18("3","6","10","2","10","5","1") = "9"
    & skf18("3","6","10","2","10","6","1") = "9"
    & skf18("3","6","10","2","10","7","1") = "9"
    & skf18("3","6","10","2","10","8","1") = "9"
    & skf18("3","6","10","2","10","9","1") = "9"
    & skf18("3","6","10","2","10","10","1") = "9"
    & skf18("3","6","10","3","1","1","1") = "9"
    & skf18("3","6","10","3","1","2","1") = "9"
    & skf18("3","6","10","3","1","3","1") = "9"
    & skf18("3","6","10","3","1","4","1") = "9"
    & skf18("3","6","10","3","1","5","1") = "9"
    & skf18("3","6","10","3","1","6","1") = "9"
    & skf18("3","6","10","3","1","7","1") = "9"
    & skf18("3","6","10","3","1","8","1") = "9"
    & skf18("3","6","10","3","1","9","1") = "9"
    & skf18("3","6","10","3","1","10","1") = "9"
    & skf18("3","6","10","3","2","1","1") = "9"
    & skf18("3","6","10","3","2","2","1") = "9"
    & skf18("3","6","10","3","2","3","1") = "9"
    & skf18("3","6","10","3","2","4","1") = "9"
    & skf18("3","6","10","3","2","5","1") = "9"
    & skf18("3","6","10","3","2","6","1") = "9"
    & skf18("3","6","10","3","2","7","1") = "9"
    & skf18("3","6","10","3","2","8","1") = "9"
    & skf18("3","6","10","3","2","9","1") = "9"
    & skf18("3","6","10","3","2","10","1") = "9"
    & skf18("3","6","10","3","3","1","1") = "9"
    & skf18("3","6","10","3","3","2","1") = "9"
    & skf18("3","6","10","3","3","3","1") = "9"
    & skf18("3","6","10","3","3","4","1") = "9"
    & skf18("3","6","10","3","3","5","1") = "9"
    & skf18("3","6","10","3","3","6","1") = "9"
    & skf18("3","6","10","3","3","7","1") = "9"
    & skf18("3","6","10","3","3","8","1") = "9"
    & skf18("3","6","10","3","3","9","1") = "9"
    & skf18("3","6","10","3","3","10","1") = "9"
    & skf18("3","6","10","3","4","1","1") = "9"
    & skf18("3","6","10","3","4","2","1") = "9"
    & skf18("3","6","10","3","4","3","1") = "9"
    & skf18("3","6","10","3","4","4","1") = "9"
    & skf18("3","6","10","3","4","5","1") = "9"
    & skf18("3","6","10","3","4","6","1") = "9"
    & skf18("3","6","10","3","4","7","1") = "9"
    & skf18("3","6","10","3","4","8","1") = "9"
    & skf18("3","6","10","3","4","9","1") = "9"
    & skf18("3","6","10","3","4","10","1") = "9"
    & skf18("3","6","10","3","5","1","1") = "9"
    & skf18("3","6","10","3","5","2","1") = "9"
    & skf18("3","6","10","3","5","3","1") = "9"
    & skf18("3","6","10","3","5","4","1") = "9"
    & skf18("3","6","10","3","5","5","1") = "9"
    & skf18("3","6","10","3","5","6","1") = "9"
    & skf18("3","6","10","3","5","7","1") = "9"
    & skf18("3","6","10","3","5","8","1") = "9"
    & skf18("3","6","10","3","5","9","1") = "9"
    & skf18("3","6","10","3","5","10","1") = "9"
    & skf18("3","6","10","3","6","1","1") = "9"
    & skf18("3","6","10","3","6","2","1") = "9"
    & skf18("3","6","10","3","6","3","1") = "9"
    & skf18("3","6","10","3","6","4","1") = "9"
    & skf18("3","6","10","3","6","5","1") = "9"
    & skf18("3","6","10","3","6","6","1") = "9"
    & skf18("3","6","10","3","6","7","1") = "9"
    & skf18("3","6","10","3","6","8","1") = "9"
    & skf18("3","6","10","3","6","9","1") = "9"
    & skf18("3","6","10","3","6","10","1") = "9"
    & skf18("3","6","10","3","7","1","1") = "9"
    & skf18("3","6","10","3","7","2","1") = "9"
    & skf18("3","6","10","3","7","3","1") = "9"
    & skf18("3","6","10","3","7","4","1") = "9"
    & skf18("3","6","10","3","7","5","1") = "9"
    & skf18("3","6","10","3","7","6","1") = "9"
    & skf18("3","6","10","3","7","7","1") = "9"
    & skf18("3","6","10","3","7","8","1") = "9"
    & skf18("3","6","10","3","7","9","1") = "9"
    & skf18("3","6","10","3","7","10","1") = "9"
    & skf18("3","6","10","3","8","1","1") = "9"
    & skf18("3","6","10","3","8","2","1") = "9"
    & skf18("3","6","10","3","8","3","1") = "9"
    & skf18("3","6","10","3","8","4","1") = "9"
    & skf18("3","6","10","3","8","5","1") = "9"
    & skf18("3","6","10","3","8","6","1") = "9"
    & skf18("3","6","10","3","8","7","1") = "9"
    & skf18("3","6","10","3","8","8","1") = "9"
    & skf18("3","6","10","3","8","9","1") = "9"
    & skf18("3","6","10","3","8","10","1") = "9"
    & skf18("3","6","10","3","9","1","1") = "9"
    & skf18("3","6","10","3","9","2","1") = "9"
    & skf18("3","6","10","3","9","3","1") = "9"
    & skf18("3","6","10","3","9","4","1") = "9"
    & skf18("3","6","10","3","9","5","1") = "9"
    & skf18("3","6","10","3","9","6","1") = "9"
    & skf18("3","6","10","3","9","7","1") = "9"
    & skf18("3","6","10","3","9","8","1") = "9"
    & skf18("3","6","10","3","9","9","1") = "9"
    & skf18("3","6","10","3","9","10","1") = "9"
    & skf18("3","6","10","3","10","1","1") = "9"
    & skf18("3","6","10","3","10","2","1") = "9"
    & skf18("3","6","10","3","10","3","1") = "9"
    & skf18("3","6","10","3","10","4","1") = "9"
    & skf18("3","6","10","3","10","5","1") = "9"
    & skf18("3","6","10","3","10","6","1") = "9"
    & skf18("3","6","10","3","10","7","1") = "9"
    & skf18("3","6","10","3","10","8","1") = "9"
    & skf18("3","6","10","3","10","9","1") = "9"
    & skf18("3","6","10","3","10","10","1") = "9"
    & skf18("3","6","10","4","1","1","1") = "9"
    & skf18("3","6","10","4","1","2","1") = "9"
    & skf18("3","6","10","4","1","3","1") = "9"
    & skf18("3","6","10","4","1","4","1") = "9"
    & skf18("3","6","10","4","1","5","1") = "9"
    & skf18("3","6","10","4","1","6","1") = "9"
    & skf18("3","6","10","4","1","7","1") = "9"
    & skf18("3","6","10","4","1","8","1") = "9"
    & skf18("3","6","10","4","1","9","1") = "9"
    & skf18("3","6","10","4","1","10","1") = "9"
    & skf18("3","6","10","4","2","1","1") = "9"
    & skf18("3","6","10","4","2","2","1") = "9"
    & skf18("3","6","10","4","2","3","1") = "9"
    & skf18("3","6","10","4","2","4","1") = "9"
    & skf18("3","6","10","4","2","5","1") = "9"
    & skf18("3","6","10","4","2","6","1") = "9"
    & skf18("3","6","10","4","2","7","1") = "9"
    & skf18("3","6","10","4","2","8","1") = "9"
    & skf18("3","6","10","4","2","9","1") = "9"
    & skf18("3","6","10","4","2","10","1") = "9"
    & skf18("3","6","10","4","3","1","1") = "9"
    & skf18("3","6","10","4","3","2","1") = "9"
    & skf18("3","6","10","4","3","3","1") = "9"
    & skf18("3","6","10","4","3","4","1") = "9"
    & skf18("3","6","10","4","3","5","1") = "9"
    & skf18("3","6","10","4","3","6","1") = "9"
    & skf18("3","6","10","4","3","7","1") = "9"
    & skf18("3","6","10","4","3","8","1") = "9"
    & skf18("3","6","10","4","3","9","1") = "9"
    & skf18("3","6","10","4","3","10","1") = "9"
    & skf18("3","6","10","4","4","1","1") = "9"
    & skf18("3","6","10","4","4","2","1") = "9"
    & skf18("3","6","10","4","4","3","1") = "9"
    & skf18("3","6","10","4","4","4","1") = "9"
    & skf18("3","6","10","4","4","5","1") = "9"
    & skf18("3","6","10","4","4","6","1") = "9"
    & skf18("3","6","10","4","4","7","1") = "9"
    & skf18("3","6","10","4","4","8","1") = "9"
    & skf18("3","6","10","4","4","9","1") = "9"
    & skf18("3","6","10","4","4","10","1") = "9"
    & skf18("3","6","10","4","5","1","1") = "9"
    & skf18("3","6","10","4","5","2","1") = "9"
    & skf18("3","6","10","4","5","3","1") = "9"
    & skf18("3","6","10","4","5","4","1") = "9"
    & skf18("3","6","10","4","5","5","1") = "9"
    & skf18("3","6","10","4","5","6","1") = "9"
    & skf18("3","6","10","4","5","7","1") = "9"
    & skf18("3","6","10","4","5","8","1") = "9"
    & skf18("3","6","10","4","5","9","1") = "9"
    & skf18("3","6","10","4","5","10","1") = "9"
    & skf18("3","6","10","4","6","1","1") = "9"
    & skf18("3","6","10","4","6","2","1") = "9"
    & skf18("3","6","10","4","6","3","1") = "9"
    & skf18("3","6","10","4","6","4","1") = "9"
    & skf18("3","6","10","4","6","5","1") = "9"
    & skf18("3","6","10","4","6","6","1") = "9"
    & skf18("3","6","10","4","6","7","1") = "9"
    & skf18("3","6","10","4","6","8","1") = "9"
    & skf18("3","6","10","4","6","9","1") = "9"
    & skf18("3","6","10","4","6","10","1") = "9"
    & skf18("3","6","10","4","7","1","1") = "9"
    & skf18("3","6","10","4","7","2","1") = "9"
    & skf18("3","6","10","4","7","3","1") = "9"
    & skf18("3","6","10","4","7","4","1") = "9"
    & skf18("3","6","10","4","7","5","1") = "9"
    & skf18("3","6","10","4","7","6","1") = "9"
    & skf18("3","6","10","4","7","7","1") = "9"
    & skf18("3","6","10","4","7","8","1") = "9"
    & skf18("3","6","10","4","7","9","1") = "9"
    & skf18("3","6","10","4","7","10","1") = "9"
    & skf18("3","6","10","4","8","1","1") = "9"
    & skf18("3","6","10","4","8","2","1") = "9"
    & skf18("3","6","10","4","8","3","1") = "9"
    & skf18("3","6","10","4","8","4","1") = "9"
    & skf18("3","6","10","4","8","5","1") = "9"
    & skf18("3","6","10","4","8","6","1") = "9"
    & skf18("3","6","10","4","8","7","1") = "9"
    & skf18("3","6","10","4","8","8","1") = "9"
    & skf18("3","6","10","4","8","9","1") = "9"
    & skf18("3","6","10","4","8","10","1") = "9"
    & skf18("3","6","10","4","9","1","1") = "9"
    & skf18("3","6","10","4","9","2","1") = "9"
    & skf18("3","6","10","4","9","3","1") = "9"
    & skf18("3","6","10","4","9","4","1") = "9"
    & skf18("3","6","10","4","9","5","1") = "9"
    & skf18("3","6","10","4","9","6","1") = "9"
    & skf18("3","6","10","4","9","7","1") = "9"
    & skf18("3","6","10","4","9","8","1") = "9"
    & skf18("3","6","10","4","9","9","1") = "9"
    & skf18("3","6","10","4","9","10","1") = "9"
    & skf18("3","6","10","4","10","1","1") = "9"
    & skf18("3","6","10","4","10","2","1") = "9"
    & skf18("3","6","10","4","10","3","1") = "9"
    & skf18("3","6","10","4","10","4","1") = "9"
    & skf18("3","6","10","4","10","5","1") = "9"
    & skf18("3","6","10","4","10","6","1") = "9"
    & skf18("3","6","10","4","10","7","1") = "9"
    & skf18("3","6","10","4","10","8","1") = "9"
    & skf18("3","6","10","4","10","9","1") = "9"
    & skf18("3","6","10","4","10","10","1") = "9"
    & skf18("3","6","10","5","1","1","1") = "9"
    & skf18("3","6","10","5","1","2","1") = "9"
    & skf18("3","6","10","5","1","3","1") = "9"
    & skf18("3","6","10","5","1","4","1") = "9"
    & skf18("3","6","10","5","1","5","1") = "9"
    & skf18("3","6","10","5","1","6","1") = "9"
    & skf18("3","6","10","5","1","7","1") = "9"
    & skf18("3","6","10","5","1","8","1") = "9"
    & skf18("3","6","10","5","1","9","1") = "9"
    & skf18("3","6","10","5","1","10","1") = "9"
    & skf18("3","6","10","5","2","1","1") = "9"
    & skf18("3","6","10","5","2","2","1") = "9"
    & skf18("3","6","10","5","2","3","1") = "9"
    & skf18("3","6","10","5","2","4","1") = "9"
    & skf18("3","6","10","5","2","5","1") = "9"
    & skf18("3","6","10","5","2","6","1") = "9"
    & skf18("3","6","10","5","2","7","1") = "9"
    & skf18("3","6","10","5","2","8","1") = "9"
    & skf18("3","6","10","5","2","9","1") = "9"
    & skf18("3","6","10","5","2","10","1") = "9"
    & skf18("3","6","10","5","3","1","1") = "9"
    & skf18("3","6","10","5","3","2","1") = "9"
    & skf18("3","6","10","5","3","3","1") = "9"
    & skf18("3","6","10","5","3","4","1") = "9"
    & skf18("3","6","10","5","3","5","1") = "9"
    & skf18("3","6","10","5","3","6","1") = "9"
    & skf18("3","6","10","5","3","7","1") = "9"
    & skf18("3","6","10","5","3","8","1") = "9"
    & skf18("3","6","10","5","3","9","1") = "9"
    & skf18("3","6","10","5","3","10","1") = "9"
    & skf18("3","6","10","5","4","1","1") = "9"
    & skf18("3","6","10","5","4","2","1") = "9"
    & skf18("3","6","10","5","4","3","1") = "9"
    & skf18("3","6","10","5","4","4","1") = "9"
    & skf18("3","6","10","5","4","5","1") = "9"
    & skf18("3","6","10","5","4","6","1") = "9"
    & skf18("3","6","10","5","4","7","1") = "9"
    & skf18("3","6","10","5","4","8","1") = "9"
    & skf18("3","6","10","5","4","9","1") = "9"
    & skf18("3","6","10","5","4","10","1") = "9"
    & skf18("3","6","10","5","5","1","1") = "9"
    & skf18("3","6","10","5","5","2","1") = "9"
    & skf18("3","6","10","5","5","3","1") = "9"
    & skf18("3","6","10","5","5","4","1") = "9"
    & skf18("3","6","10","5","5","5","1") = "9"
    & skf18("3","6","10","5","5","6","1") = "9"
    & skf18("3","6","10","5","5","7","1") = "9"
    & skf18("3","6","10","5","5","8","1") = "9"
    & skf18("3","6","10","5","5","9","1") = "9"
    & skf18("3","6","10","5","5","10","1") = "9"
    & skf18("3","6","10","5","6","1","1") = "9"
    & skf18("3","6","10","5","6","2","1") = "9"
    & skf18("3","6","10","5","6","3","1") = "9"
    & skf18("3","6","10","5","6","4","1") = "9"
    & skf18("3","6","10","5","6","5","1") = "9"
    & skf18("3","6","10","5","6","6","1") = "9"
    & skf18("3","6","10","5","6","7","1") = "9"
    & skf18("3","6","10","5","6","8","1") = "9"
    & skf18("3","6","10","5","6","9","1") = "9"
    & skf18("3","6","10","5","6","10","1") = "9"
    & skf18("3","6","10","5","7","1","1") = "9"
    & skf18("3","6","10","5","7","2","1") = "9"
    & skf18("3","6","10","5","7","3","1") = "9"
    & skf18("3","6","10","5","7","4","1") = "9"
    & skf18("3","6","10","5","7","5","1") = "9"
    & skf18("3","6","10","5","7","6","1") = "9"
    & skf18("3","6","10","5","7","7","1") = "9"
    & skf18("3","6","10","5","7","8","1") = "9"
    & skf18("3","6","10","5","7","9","1") = "9"
    & skf18("3","6","10","5","7","10","1") = "9"
    & skf18("3","6","10","5","8","1","1") = "9"
    & skf18("3","6","10","5","8","2","1") = "9"
    & skf18("3","6","10","5","8","3","1") = "9"
    & skf18("3","6","10","5","8","4","1") = "9"
    & skf18("3","6","10","5","8","5","1") = "9"
    & skf18("3","6","10","5","8","6","1") = "9"
    & skf18("3","6","10","5","8","7","1") = "9"
    & skf18("3","6","10","5","8","8","1") = "9"
    & skf18("3","6","10","5","8","9","1") = "9"
    & skf18("3","6","10","5","8","10","1") = "9"
    & skf18("3","6","10","5","9","1","1") = "9"
    & skf18("3","6","10","5","9","2","1") = "9"
    & skf18("3","6","10","5","9","3","1") = "9"
    & skf18("3","6","10","5","9","4","1") = "9"
    & skf18("3","6","10","5","9","5","1") = "9"
    & skf18("3","6","10","5","9","6","1") = "9"
    & skf18("3","6","10","5","9","7","1") = "9"
    & skf18("3","6","10","5","9","8","1") = "9"
    & skf18("3","6","10","5","9","9","1") = "9"
    & skf18("3","6","10","5","9","10","1") = "9"
    & skf18("3","6","10","5","10","1","1") = "9"
    & skf18("3","6","10","5","10","2","1") = "9"
    & skf18("3","6","10","5","10","3","1") = "9"
    & skf18("3","6","10","5","10","4","1") = "9"
    & skf18("3","6","10","5","10","5","1") = "9"
    & skf18("3","6","10","5","10","6","1") = "9"
    & skf18("3","6","10","5","10","7","1") = "9"
    & skf18("3","6","10","5","10","8","1") = "9"
    & skf18("3","6","10","5","10","9","1") = "9"
    & skf18("3","6","10","5","10","10","1") = "9"
    & skf18("3","6","10","6","1","1","1") = "9"
    & skf18("3","6","10","6","1","2","1") = "9"
    & skf18("3","6","10","6","1","3","1") = "9"
    & skf18("3","6","10","6","1","4","1") = "9"
    & skf18("3","6","10","6","1","5","1") = "9"
    & skf18("3","6","10","6","1","6","1") = "9"
    & skf18("3","6","10","6","1","7","1") = "9"
    & skf18("3","6","10","6","1","8","1") = "9"
    & skf18("3","6","10","6","1","9","1") = "9"
    & skf18("3","6","10","6","1","10","1") = "9"
    & skf18("3","6","10","6","2","1","1") = "9"
    & skf18("3","6","10","6","2","2","1") = "9"
    & skf18("3","6","10","6","2","3","1") = "9"
    & skf18("3","6","10","6","2","4","1") = "9"
    & skf18("3","6","10","6","2","5","1") = "9"
    & skf18("3","6","10","6","2","6","1") = "9"
    & skf18("3","6","10","6","2","7","1") = "9"
    & skf18("3","6","10","6","2","8","1") = "9"
    & skf18("3","6","10","6","2","9","1") = "9"
    & skf18("3","6","10","6","2","10","1") = "9"
    & skf18("3","6","10","6","3","1","1") = "9"
    & skf18("3","6","10","6","3","2","1") = "9"
    & skf18("3","6","10","6","3","3","1") = "9"
    & skf18("3","6","10","6","3","4","1") = "9"
    & skf18("3","6","10","6","3","5","1") = "9"
    & skf18("3","6","10","6","3","6","1") = "9"
    & skf18("3","6","10","6","3","7","1") = "9"
    & skf18("3","6","10","6","3","8","1") = "9"
    & skf18("3","6","10","6","3","9","1") = "9"
    & skf18("3","6","10","6","3","10","1") = "9"
    & skf18("3","6","10","6","4","1","1") = "9"
    & skf18("3","6","10","6","4","2","1") = "9"
    & skf18("3","6","10","6","4","3","1") = "9"
    & skf18("3","6","10","6","4","4","1") = "9"
    & skf18("3","6","10","6","4","5","1") = "9"
    & skf18("3","6","10","6","4","6","1") = "9"
    & skf18("3","6","10","6","4","7","1") = "9"
    & skf18("3","6","10","6","4","8","1") = "9"
    & skf18("3","6","10","6","4","9","1") = "9"
    & skf18("3","6","10","6","4","10","1") = "9"
    & skf18("3","6","10","6","5","1","1") = "9"
    & skf18("3","6","10","6","5","2","1") = "9"
    & skf18("3","6","10","6","5","3","1") = "9"
    & skf18("3","6","10","6","5","4","1") = "9"
    & skf18("3","6","10","6","5","5","1") = "9"
    & skf18("3","6","10","6","5","6","1") = "9"
    & skf18("3","6","10","6","5","7","1") = "9"
    & skf18("3","6","10","6","5","8","1") = "9"
    & skf18("3","6","10","6","5","9","1") = "9"
    & skf18("3","6","10","6","5","10","1") = "9"
    & skf18("3","6","10","6","6","1","1") = "9"
    & skf18("3","6","10","6","6","2","1") = "9"
    & skf18("3","6","10","6","6","3","1") = "9"
    & skf18("3","6","10","6","6","4","1") = "9"
    & skf18("3","6","10","6","6","5","1") = "9"
    & skf18("3","6","10","6","6","6","1") = "9"
    & skf18("3","6","10","6","6","7","1") = "9"
    & skf18("3","6","10","6","6","8","1") = "9"
    & skf18("3","6","10","6","6","9","1") = "9"
    & skf18("3","6","10","6","6","10","1") = "9"
    & skf18("3","6","10","6","7","1","1") = "9"
    & skf18("3","6","10","6","7","2","1") = "9"
    & skf18("3","6","10","6","7","3","1") = "9"
    & skf18("3","6","10","6","7","4","1") = "9"
    & skf18("3","6","10","6","7","5","1") = "9"
    & skf18("3","6","10","6","7","6","1") = "9"
    & skf18("3","6","10","6","7","7","1") = "9"
    & skf18("3","6","10","6","7","8","1") = "9"
    & skf18("3","6","10","6","7","9","1") = "9"
    & skf18("3","6","10","6","7","10","1") = "9"
    & skf18("3","6","10","6","8","1","1") = "9"
    & skf18("3","6","10","6","8","2","1") = "9"
    & skf18("3","6","10","6","8","3","1") = "9"
    & skf18("3","6","10","6","8","4","1") = "9"
    & skf18("3","6","10","6","8","5","1") = "9"
    & skf18("3","6","10","6","8","6","1") = "9"
    & skf18("3","6","10","6","8","7","1") = "9"
    & skf18("3","6","10","6","8","8","1") = "9"
    & skf18("3","6","10","6","8","9","1") = "9"
    & skf18("3","6","10","6","8","10","1") = "9"
    & skf18("3","6","10","6","9","1","1") = "9"
    & skf18("3","6","10","6","9","2","1") = "9"
    & skf18("3","6","10","6","9","3","1") = "9"
    & skf18("3","6","10","6","9","4","1") = "9"
    & skf18("3","6","10","6","9","5","1") = "9"
    & skf18("3","6","10","6","9","6","1") = "9"
    & skf18("3","6","10","6","9","7","1") = "9"
    & skf18("3","6","10","6","9","8","1") = "9"
    & skf18("3","6","10","6","9","9","1") = "9"
    & skf18("3","6","10","6","9","10","1") = "9"
    & skf18("3","6","10","6","10","1","1") = "9"
    & skf18("3","6","10","6","10","2","1") = "9"
    & skf18("3","6","10","6","10","3","1") = "9"
    & skf18("3","6","10","6","10","4","1") = "9"
    & skf18("3","6","10","6","10","5","1") = "9"
    & skf18("3","6","10","6","10","6","1") = "9"
    & skf18("3","6","10","6","10","7","1") = "9"
    & skf18("3","6","10","6","10","8","1") = "9"
    & skf18("3","6","10","6","10","9","1") = "9"
    & skf18("3","6","10","6","10","10","1") = "9"
    & skf18("3","6","10","7","1","1","1") = "9"
    & skf18("3","6","10","7","1","2","1") = "9"
    & skf18("3","6","10","7","1","3","1") = "9"
    & skf18("3","6","10","7","1","4","1") = "9"
    & skf18("3","6","10","7","1","5","1") = "9"
    & skf18("3","6","10","7","1","6","1") = "9"
    & skf18("3","6","10","7","1","7","1") = "9"
    & skf18("3","6","10","7","1","8","1") = "9"
    & skf18("3","6","10","7","1","9","1") = "9"
    & skf18("3","6","10","7","1","10","1") = "9"
    & skf18("3","6","10","7","2","1","1") = "9"
    & skf18("3","6","10","7","2","2","1") = "9"
    & skf18("3","6","10","7","2","3","1") = "9"
    & skf18("3","6","10","7","2","4","1") = "9"
    & skf18("3","6","10","7","2","5","1") = "9"
    & skf18("3","6","10","7","2","6","1") = "9"
    & skf18("3","6","10","7","2","7","1") = "9"
    & skf18("3","6","10","7","2","8","1") = "9"
    & skf18("3","6","10","7","2","9","1") = "9"
    & skf18("3","6","10","7","2","10","1") = "9"
    & skf18("3","6","10","7","3","1","1") = "9"
    & skf18("3","6","10","7","3","2","1") = "9"
    & skf18("3","6","10","7","3","3","1") = "9"
    & skf18("3","6","10","7","3","4","1") = "9"
    & skf18("3","6","10","7","3","5","1") = "9"
    & skf18("3","6","10","7","3","6","1") = "9"
    & skf18("3","6","10","7","3","7","1") = "9"
    & skf18("3","6","10","7","3","8","1") = "9"
    & skf18("3","6","10","7","3","9","1") = "9"
    & skf18("3","6","10","7","3","10","1") = "9"
    & skf18("3","6","10","7","4","1","1") = "9"
    & skf18("3","6","10","7","4","2","1") = "9"
    & skf18("3","6","10","7","4","3","1") = "9"
    & skf18("3","6","10","7","4","4","1") = "9"
    & skf18("3","6","10","7","4","5","1") = "9"
    & skf18("3","6","10","7","4","6","1") = "9"
    & skf18("3","6","10","7","4","7","1") = "9"
    & skf18("3","6","10","7","4","8","1") = "9"
    & skf18("3","6","10","7","4","9","1") = "9"
    & skf18("3","6","10","7","4","10","1") = "9"
    & skf18("3","6","10","7","5","1","1") = "9"
    & skf18("3","6","10","7","5","2","1") = "9"
    & skf18("3","6","10","7","5","3","1") = "9"
    & skf18("3","6","10","7","5","4","1") = "9"
    & skf18("3","6","10","7","5","5","1") = "9"
    & skf18("3","6","10","7","5","6","1") = "9"
    & skf18("3","6","10","7","5","7","1") = "9"
    & skf18("3","6","10","7","5","8","1") = "9"
    & skf18("3","6","10","7","5","9","1") = "9"
    & skf18("3","6","10","7","5","10","1") = "9"
    & skf18("3","6","10","7","6","1","1") = "9"
    & skf18("3","6","10","7","6","2","1") = "9"
    & skf18("3","6","10","7","6","3","1") = "9"
    & skf18("3","6","10","7","6","4","1") = "9"
    & skf18("3","6","10","7","6","5","1") = "9"
    & skf18("3","6","10","7","6","6","1") = "9"
    & skf18("3","6","10","7","6","7","1") = "9"
    & skf18("3","6","10","7","6","8","1") = "9"
    & skf18("3","6","10","7","6","9","1") = "9"
    & skf18("3","6","10","7","6","10","1") = "9"
    & skf18("3","6","10","7","7","1","1") = "9"
    & skf18("3","6","10","7","7","2","1") = "9"
    & skf18("3","6","10","7","7","3","1") = "9"
    & skf18("3","6","10","7","7","4","1") = "9"
    & skf18("3","6","10","7","7","5","1") = "9"
    & skf18("3","6","10","7","7","6","1") = "9"
    & skf18("3","6","10","7","7","7","1") = "9"
    & skf18("3","6","10","7","7","8","1") = "9"
    & skf18("3","6","10","7","7","9","1") = "9"
    & skf18("3","6","10","7","7","10","1") = "9"
    & skf18("3","6","10","7","8","1","1") = "9"
    & skf18("3","6","10","7","8","2","1") = "9"
    & skf18("3","6","10","7","8","3","1") = "9"
    & skf18("3","6","10","7","8","4","1") = "9"
    & skf18("3","6","10","7","8","5","1") = "9"
    & skf18("3","6","10","7","8","6","1") = "9"
    & skf18("3","6","10","7","8","7","1") = "9"
    & skf18("3","6","10","7","8","8","1") = "9"
    & skf18("3","6","10","7","8","9","1") = "9"
    & skf18("3","6","10","7","8","10","1") = "9"
    & skf18("3","6","10","7","9","1","1") = "9"
    & skf18("3","6","10","7","9","2","1") = "9"
    & skf18("3","6","10","7","9","3","1") = "9"
    & skf18("3","6","10","7","9","4","1") = "9"
    & skf18("3","6","10","7","9","5","1") = "9"
    & skf18("3","6","10","7","9","6","1") = "9"
    & skf18("3","6","10","7","9","7","1") = "9"
    & skf18("3","6","10","7","9","8","1") = "9"
    & skf18("3","6","10","7","9","9","1") = "9"
    & skf18("3","6","10","7","9","10","1") = "9"
    & skf18("3","6","10","7","10","1","1") = "9"
    & skf18("3","6","10","7","10","2","1") = "9"
    & skf18("3","6","10","7","10","3","1") = "9"
    & skf18("3","6","10","7","10","4","1") = "9"
    & skf18("3","6","10","7","10","5","1") = "9"
    & skf18("3","6","10","7","10","6","1") = "9"
    & skf18("3","6","10","7","10","7","1") = "9"
    & skf18("3","6","10","7","10","8","1") = "9"
    & skf18("3","6","10","7","10","9","1") = "9"
    & skf18("3","6","10","7","10","10","1") = "9"
    & skf18("3","6","10","8","1","1","1") = "9"
    & skf18("3","6","10","8","1","2","1") = "9"
    & skf18("3","6","10","8","1","3","1") = "9"
    & skf18("3","6","10","8","1","4","1") = "9"
    & skf18("3","6","10","8","1","5","1") = "9"
    & skf18("3","6","10","8","1","6","1") = "9"
    & skf18("3","6","10","8","1","7","1") = "9"
    & skf18("3","6","10","8","1","8","1") = "9"
    & skf18("3","6","10","8","1","9","1") = "9"
    & skf18("3","6","10","8","1","10","1") = "9"
    & skf18("3","6","10","8","2","1","1") = "9"
    & skf18("3","6","10","8","2","2","1") = "9"
    & skf18("3","6","10","8","2","3","1") = "9"
    & skf18("3","6","10","8","2","4","1") = "9"
    & skf18("3","6","10","8","2","5","1") = "9"
    & skf18("3","6","10","8","2","6","1") = "9"
    & skf18("3","6","10","8","2","7","1") = "9"
    & skf18("3","6","10","8","2","8","1") = "9"
    & skf18("3","6","10","8","2","9","1") = "9"
    & skf18("3","6","10","8","2","10","1") = "9"
    & skf18("3","6","10","8","3","1","1") = "9"
    & skf18("3","6","10","8","3","2","1") = "9"
    & skf18("3","6","10","8","3","3","1") = "9"
    & skf18("3","6","10","8","3","4","1") = "9"
    & skf18("3","6","10","8","3","5","1") = "9"
    & skf18("3","6","10","8","3","6","1") = "9"
    & skf18("3","6","10","8","3","7","1") = "9"
    & skf18("3","6","10","8","3","8","1") = "9"
    & skf18("3","6","10","8","3","9","1") = "9"
    & skf18("3","6","10","8","3","10","1") = "9"
    & skf18("3","6","10","8","4","1","1") = "9"
    & skf18("3","6","10","8","4","2","1") = "9"
    & skf18("3","6","10","8","4","3","1") = "9"
    & skf18("3","6","10","8","4","4","1") = "9"
    & skf18("3","6","10","8","4","5","1") = "9"
    & skf18("3","6","10","8","4","6","1") = "9"
    & skf18("3","6","10","8","4","7","1") = "9"
    & skf18("3","6","10","8","4","8","1") = "9"
    & skf18("3","6","10","8","4","9","1") = "9"
    & skf18("3","6","10","8","4","10","1") = "9"
    & skf18("3","6","10","8","5","1","1") = "9"
    & skf18("3","6","10","8","5","2","1") = "9"
    & skf18("3","6","10","8","5","3","1") = "9"
    & skf18("3","6","10","8","5","4","1") = "9"
    & skf18("3","6","10","8","5","5","1") = "9"
    & skf18("3","6","10","8","5","6","1") = "9"
    & skf18("3","6","10","8","5","7","1") = "9"
    & skf18("3","6","10","8","5","8","1") = "9"
    & skf18("3","6","10","8","5","9","1") = "9"
    & skf18("3","6","10","8","5","10","1") = "9"
    & skf18("3","6","10","8","6","1","1") = "9"
    & skf18("3","6","10","8","6","2","1") = "9"
    & skf18("3","6","10","8","6","3","1") = "9"
    & skf18("3","6","10","8","6","4","1") = "9"
    & skf18("3","6","10","8","6","5","1") = "9"
    & skf18("3","6","10","8","6","6","1") = "9"
    & skf18("3","6","10","8","6","7","1") = "9"
    & skf18("3","6","10","8","6","8","1") = "9"
    & skf18("3","6","10","8","6","9","1") = "9"
    & skf18("3","6","10","8","6","10","1") = "9"
    & skf18("3","6","10","8","7","1","1") = "9"
    & skf18("3","6","10","8","7","2","1") = "9"
    & skf18("3","6","10","8","7","3","1") = "9"
    & skf18("3","6","10","8","7","4","1") = "9"
    & skf18("3","6","10","8","7","5","1") = "9"
    & skf18("3","6","10","8","7","6","1") = "9"
    & skf18("3","6","10","8","7","7","1") = "9"
    & skf18("3","6","10","8","7","8","1") = "9"
    & skf18("3","6","10","8","7","9","1") = "9"
    & skf18("3","6","10","8","7","10","1") = "9"
    & skf18("3","6","10","8","8","1","1") = "9"
    & skf18("3","6","10","8","8","2","1") = "9"
    & skf18("3","6","10","8","8","3","1") = "9"
    & skf18("3","6","10","8","8","4","1") = "9"
    & skf18("3","6","10","8","8","5","1") = "9"
    & skf18("3","6","10","8","8","6","1") = "9"
    & skf18("3","6","10","8","8","7","1") = "9"
    & skf18("3","6","10","8","8","8","1") = "9"
    & skf18("3","6","10","8","8","9","1") = "9"
    & skf18("3","6","10","8","8","10","1") = "9"
    & skf18("3","6","10","8","9","1","1") = "9"
    & skf18("3","6","10","8","9","2","1") = "9"
    & skf18("3","6","10","8","9","3","1") = "9"
    & skf18("3","6","10","8","9","4","1") = "9"
    & skf18("3","6","10","8","9","5","1") = "9"
    & skf18("3","6","10","8","9","6","1") = "9"
    & skf18("3","6","10","8","9","7","1") = "9"
    & skf18("3","6","10","8","9","8","1") = "9"
    & skf18("3","6","10","8","9","9","1") = "9"
    & skf18("3","6","10","8","9","10","1") = "9"
    & skf18("3","6","10","8","10","1","1") = "9"
    & skf18("3","6","10","8","10","2","1") = "9"
    & skf18("3","6","10","8","10","3","1") = "9"
    & skf18("3","6","10","8","10","4","1") = "9"
    & skf18("3","6","10","8","10","5","1") = "9"
    & skf18("3","6","10","8","10","6","1") = "9"
    & skf18("3","6","10","8","10","7","1") = "9"
    & skf18("3","6","10","8","10","8","1") = "9"
    & skf18("3","6","10","8","10","9","1") = "9"
    & skf18("3","6","10","8","10","10","1") = "9"
    & skf18("3","6","10","9","1","1","1") = "9"
    & skf18("3","6","10","9","1","2","1") = "9"
    & skf18("3","6","10","9","1","3","1") = "9"
    & skf18("3","6","10","9","1","4","1") = "9"
    & skf18("3","6","10","9","1","5","1") = "9"
    & skf18("3","6","10","9","1","6","1") = "9"
    & skf18("3","6","10","9","1","7","1") = "9"
    & skf18("3","6","10","9","1","8","1") = "9"
    & skf18("3","6","10","9","1","9","1") = "9"
    & skf18("3","6","10","9","1","10","1") = "9"
    & skf18("3","6","10","9","2","1","1") = "9"
    & skf18("3","6","10","9","2","2","1") = "9"
    & skf18("3","6","10","9","2","3","1") = "9"
    & skf18("3","6","10","9","2","4","1") = "9"
    & skf18("3","6","10","9","2","5","1") = "9"
    & skf18("3","6","10","9","2","6","1") = "9"
    & skf18("3","6","10","9","2","7","1") = "9"
    & skf18("3","6","10","9","2","8","1") = "9"
    & skf18("3","6","10","9","2","9","1") = "9"
    & skf18("3","6","10","9","2","10","1") = "9"
    & skf18("3","6","10","9","3","1","1") = "9"
    & skf18("3","6","10","9","3","2","1") = "9"
    & skf18("3","6","10","9","3","3","1") = "9"
    & skf18("3","6","10","9","3","4","1") = "9"
    & skf18("3","6","10","9","3","5","1") = "9"
    & skf18("3","6","10","9","3","6","1") = "9"
    & skf18("3","6","10","9","3","7","1") = "9"
    & skf18("3","6","10","9","3","8","1") = "9"
    & skf18("3","6","10","9","3","9","1") = "9"
    & skf18("3","6","10","9","3","10","1") = "9"
    & skf18("3","6","10","9","4","1","1") = "9"
    & skf18("3","6","10","9","4","2","1") = "9"
    & skf18("3","6","10","9","4","3","1") = "9"
    & skf18("3","6","10","9","4","4","1") = "9"
    & skf18("3","6","10","9","4","5","1") = "9"
    & skf18("3","6","10","9","4","6","1") = "9"
    & skf18("3","6","10","9","4","7","1") = "9"
    & skf18("3","6","10","9","4","8","1") = "9"
    & skf18("3","6","10","9","4","9","1") = "9"
    & skf18("3","6","10","9","4","10","1") = "9"
    & skf18("3","6","10","9","5","1","1") = "9"
    & skf18("3","6","10","9","5","2","1") = "9"
    & skf18("3","6","10","9","5","3","1") = "9"
    & skf18("3","6","10","9","5","4","1") = "9"
    & skf18("3","6","10","9","5","5","1") = "9"
    & skf18("3","6","10","9","5","6","1") = "9"
    & skf18("3","6","10","9","5","7","1") = "9"
    & skf18("3","6","10","9","5","8","1") = "9"
    & skf18("3","6","10","9","5","9","1") = "9"
    & skf18("3","6","10","9","5","10","1") = "9"
    & skf18("3","6","10","9","6","1","1") = "9"
    & skf18("3","6","10","9","6","2","1") = "9"
    & skf18("3","6","10","9","6","3","1") = "9"
    & skf18("3","6","10","9","6","4","1") = "9"
    & skf18("3","6","10","9","6","5","1") = "9"
    & skf18("3","6","10","9","6","6","1") = "9"
    & skf18("3","6","10","9","6","7","1") = "9"
    & skf18("3","6","10","9","6","8","1") = "9"
    & skf18("3","6","10","9","6","9","1") = "9"
    & skf18("3","6","10","9","6","10","1") = "9"
    & skf18("3","6","10","9","7","1","1") = "9"
    & skf18("3","6","10","9","7","2","1") = "9"
    & skf18("3","6","10","9","7","3","1") = "9"
    & skf18("3","6","10","9","7","4","1") = "9"
    & skf18("3","6","10","9","7","5","1") = "9"
    & skf18("3","6","10","9","7","6","1") = "9"
    & skf18("3","6","10","9","7","7","1") = "9"
    & skf18("3","6","10","9","7","8","1") = "9"
    & skf18("3","6","10","9","7","9","1") = "9"
    & skf18("3","6","10","9","7","10","1") = "9"
    & skf18("3","6","10","9","8","1","1") = "9"
    & skf18("3","6","10","9","8","2","1") = "9"
    & skf18("3","6","10","9","8","3","1") = "9"
    & skf18("3","6","10","9","8","4","1") = "9"
    & skf18("3","6","10","9","8","5","1") = "9"
    & skf18("3","6","10","9","8","6","1") = "9"
    & skf18("3","6","10","9","8","7","1") = "9"
    & skf18("3","6","10","9","8","8","1") = "9"
    & skf18("3","6","10","9","8","9","1") = "9"
    & skf18("3","6","10","9","8","10","1") = "9"
    & skf18("3","6","10","9","9","1","1") = "9"
    & skf18("3","6","10","9","9","2","1") = "9"
    & skf18("3","6","10","9","9","3","1") = "9"
    & skf18("3","6","10","9","9","4","1") = "9"
    & skf18("3","6","10","9","9","5","1") = "9"
    & skf18("3","6","10","9","9","6","1") = "9"
    & skf18("3","6","10","9","9","7","1") = "9"
    & skf18("3","6","10","9","9","8","1") = "9"
    & skf18("3","6","10","9","9","9","1") = "9"
    & skf18("3","6","10","9","9","10","1") = "9"
    & skf18("3","6","10","9","10","1","1") = "9"
    & skf18("3","6","10","9","10","2","1") = "9"
    & skf18("3","6","10","9","10","3","1") = "9"
    & skf18("3","6","10","9","10","4","1") = "9"
    & skf18("3","6","10","9","10","5","1") = "9"
    & skf18("3","6","10","9","10","6","1") = "9"
    & skf18("3","6","10","9","10","7","1") = "9"
    & skf18("3","6","10","9","10","8","1") = "9"
    & skf18("3","6","10","9","10","9","1") = "9"
    & skf18("3","6","10","9","10","10","1") = "9"
    & skf18("3","6","10","10","1","1","1") = "9"
    & skf18("3","6","10","10","1","2","1") = "9"
    & skf18("3","6","10","10","1","3","1") = "9"
    & skf18("3","6","10","10","1","4","1") = "9"
    & skf18("3","6","10","10","1","5","1") = "9"
    & skf18("3","6","10","10","1","6","1") = "9"
    & skf18("3","6","10","10","1","7","1") = "9"
    & skf18("3","6","10","10","1","8","1") = "9"
    & skf18("3","6","10","10","1","9","1") = "9"
    & skf18("3","6","10","10","1","10","1") = "9"
    & skf18("3","6","10","10","2","1","1") = "9"
    & skf18("3","6","10","10","2","2","1") = "9"
    & skf18("3","6","10","10","2","3","1") = "9"
    & skf18("3","6","10","10","2","4","1") = "9"
    & skf18("3","6","10","10","2","5","1") = "9"
    & skf18("3","6","10","10","2","6","1") = "9"
    & skf18("3","6","10","10","2","7","1") = "9"
    & skf18("3","6","10","10","2","8","1") = "9"
    & skf18("3","6","10","10","2","9","1") = "9"
    & skf18("3","6","10","10","2","10","1") = "9"
    & skf18("3","6","10","10","3","1","1") = "9"
    & skf18("3","6","10","10","3","2","1") = "9"
    & skf18("3","6","10","10","3","3","1") = "9"
    & skf18("3","6","10","10","3","4","1") = "9"
    & skf18("3","6","10","10","3","5","1") = "9"
    & skf18("3","6","10","10","3","6","1") = "9"
    & skf18("3","6","10","10","3","7","1") = "9"
    & skf18("3","6","10","10","3","8","1") = "9"
    & skf18("3","6","10","10","3","9","1") = "9"
    & skf18("3","6","10","10","3","10","1") = "9"
    & skf18("3","6","10","10","4","1","1") = "9"
    & skf18("3","6","10","10","4","2","1") = "9"
    & skf18("3","6","10","10","4","3","1") = "9"
    & skf18("3","6","10","10","4","4","1") = "9"
    & skf18("3","6","10","10","4","5","1") = "9"
    & skf18("3","6","10","10","4","6","1") = "9"
    & skf18("3","6","10","10","4","7","1") = "9"
    & skf18("3","6","10","10","4","8","1") = "9"
    & skf18("3","6","10","10","4","9","1") = "9"
    & skf18("3","6","10","10","4","10","1") = "9"
    & skf18("3","6","10","10","5","1","1") = "9"
    & skf18("3","6","10","10","5","2","1") = "9"
    & skf18("3","6","10","10","5","3","1") = "9"
    & skf18("3","6","10","10","5","4","1") = "9"
    & skf18("3","6","10","10","5","5","1") = "9"
    & skf18("3","6","10","10","5","6","1") = "9"
    & skf18("3","6","10","10","5","7","1") = "9"
    & skf18("3","6","10","10","5","8","1") = "9"
    & skf18("3","6","10","10","5","9","1") = "9"
    & skf18("3","6","10","10","5","10","1") = "9"
    & skf18("3","6","10","10","6","1","1") = "9"
    & skf18("3","6","10","10","6","2","1") = "9"
    & skf18("3","6","10","10","6","3","1") = "9"
    & skf18("3","6","10","10","6","4","1") = "9"
    & skf18("3","6","10","10","6","5","1") = "9"
    & skf18("3","6","10","10","6","6","1") = "9"
    & skf18("3","6","10","10","6","7","1") = "9"
    & skf18("3","6","10","10","6","8","1") = "9"
    & skf18("3","6","10","10","6","9","1") = "9"
    & skf18("3","6","10","10","6","10","1") = "9"
    & skf18("3","6","10","10","7","1","1") = "9"
    & skf18("3","6","10","10","7","2","1") = "9"
    & skf18("3","6","10","10","7","3","1") = "9"
    & skf18("3","6","10","10","7","4","1") = "9"
    & skf18("3","6","10","10","7","5","1") = "9"
    & skf18("3","6","10","10","7","6","1") = "9"
    & skf18("3","6","10","10","7","7","1") = "9"
    & skf18("3","6","10","10","7","8","1") = "9"
    & skf18("3","6","10","10","7","9","1") = "9"
    & skf18("3","6","10","10","7","10","1") = "9"
    & skf18("3","6","10","10","8","1","1") = "9"
    & skf18("3","6","10","10","8","2","1") = "9"
    & skf18("3","6","10","10","8","3","1") = "9"
    & skf18("3","6","10","10","8","4","1") = "9"
    & skf18("3","6","10","10","8","5","1") = "9"
    & skf18("3","6","10","10","8","6","1") = "9"
    & skf18("3","6","10","10","8","7","1") = "9"
    & skf18("3","6","10","10","8","8","1") = "9"
    & skf18("3","6","10","10","8","9","1") = "9"
    & skf18("3","6","10","10","8","10","1") = "9"
    & skf18("3","6","10","10","9","1","1") = "9"
    & skf18("3","6","10","10","9","2","1") = "9"
    & skf18("3","6","10","10","9","3","1") = "9"
    & skf18("3","6","10","10","9","4","1") = "9"
    & skf18("3","6","10","10","9","5","1") = "9"
    & skf18("3","6","10","10","9","6","1") = "9"
    & skf18("3","6","10","10","9","7","1") = "9"
    & skf18("3","6","10","10","9","8","1") = "9"
    & skf18("3","6","10","10","9","9","1") = "9"
    & skf18("3","6","10","10","9","10","1") = "9"
    & skf18("3","6","10","10","10","1","1") = "9"
    & skf18("3","6","10","10","10","2","1") = "9"
    & skf18("3","6","10","10","10","3","1") = "9"
    & skf18("3","6","10","10","10","4","1") = "9"
    & skf18("3","6","10","10","10","5","1") = "9"
    & skf18("3","6","10","10","10","6","1") = "9"
    & skf18("3","6","10","10","10","7","1") = "9"
    & skf18("3","6","10","10","10","8","1") = "9"
    & skf18("3","6","10","10","10","9","1") = "9"
    & skf18("3","6","10","10","10","10","1") = "9"
    & skf18("3","7","1","1","1","1","1") = "6"
    & skf18("3","7","1","1","1","2","1") = "6"
    & skf18("3","7","1","1","1","3","1") = "6"
    & skf18("3","7","1","1","1","4","1") = "6"
    & skf18("3","7","1","1","1","5","1") = "6"
    & skf18("3","7","1","1","1","6","1") = "6"
    & skf18("3","7","1","1","1","7","1") = "6"
    & skf18("3","7","1","1","1","8","1") = "7"
    & skf18("3","7","1","1","1","9","1") = "8"
    & skf18("3","7","1","1","1","10","1") = "9"
    & skf18("3","7","1","1","2","1","1") = "6"
    & skf18("3","7","1","1","2","2","1") = "6"
    & skf18("3","7","1","1","2","3","1") = "6"
    & skf18("3","7","1","1","2","4","1") = "6"
    & skf18("3","7","1","1","2","5","1") = "6"
    & skf18("3","7","1","1","2","6","1") = "6"
    & skf18("3","7","1","1","2","7","1") = "6"
    & skf18("3","7","1","1","2","8","1") = "7"
    & skf18("3","7","1","1","2","9","1") = "8"
    & skf18("3","7","1","1","2","10","1") = "9"
    & skf18("3","7","1","1","3","1","1") = "6"
    & skf18("3","7","1","1","3","2","1") = "6"
    & skf18("3","7","1","1","3","3","1") = "6"
    & skf18("3","7","1","1","3","4","1") = "6"
    & skf18("3","7","1","1","3","5","1") = "6"
    & skf18("3","7","1","1","3","6","1") = "6"
    & skf18("3","7","1","1","3","7","1") = "6"
    & skf18("3","7","1","1","3","8","1") = "7"
    & skf18("3","7","1","1","3","9","1") = "8"
    & skf18("3","7","1","1","3","10","1") = "9"
    & skf18("3","7","1","1","4","1","1") = "6"
    & skf18("3","7","1","1","4","2","1") = "6"
    & skf18("3","7","1","1","4","3","1") = "6"
    & skf18("3","7","1","1","4","4","1") = "6"
    & skf18("3","7","1","1","4","5","1") = "6"
    & skf18("3","7","1","1","4","6","1") = "6"
    & skf18("3","7","1","1","4","7","1") = "6"
    & skf18("3","7","1","1","4","8","1") = "7"
    & skf18("3","7","1","1","4","9","1") = "8"
    & skf18("3","7","1","1","4","10","1") = "9"
    & skf18("3","7","1","1","5","1","1") = "6"
    & skf18("3","7","1","1","5","2","1") = "6"
    & skf18("3","7","1","1","5","3","1") = "6"
    & skf18("3","7","1","1","5","4","1") = "6"
    & skf18("3","7","1","1","5","5","1") = "6"
    & skf18("3","7","1","1","5","6","1") = "6"
    & skf18("3","7","1","1","5","7","1") = "6"
    & skf18("3","7","1","1","5","8","1") = "7"
    & skf18("3","7","1","1","5","9","1") = "8"
    & skf18("3","7","1","1","5","10","1") = "9"
    & skf18("3","7","1","1","6","1","1") = "6"
    & skf18("3","7","1","1","6","2","1") = "6"
    & skf18("3","7","1","1","6","3","1") = "6"
    & skf18("3","7","1","1","6","4","1") = "6"
    & skf18("3","7","1","1","6","5","1") = "6"
    & skf18("3","7","1","1","6","6","1") = "6"
    & skf18("3","7","1","1","6","7","1") = "6"
    & skf18("3","7","1","1","6","8","1") = "7"
    & skf18("3","7","1","1","6","9","1") = "8"
    & skf18("3","7","1","1","6","10","1") = "9"
    & skf18("3","7","1","1","7","1","1") = "6"
    & skf18("3","7","1","1","7","2","1") = "6"
    & skf18("3","7","1","1","7","3","1") = "6"
    & skf18("3","7","1","1","7","4","1") = "6"
    & skf18("3","7","1","1","7","5","1") = "6"
    & skf18("3","7","1","1","7","6","1") = "6"
    & skf18("3","7","1","1","7","7","1") = "6"
    & skf18("3","7","1","1","7","8","1") = "7"
    & skf18("3","7","1","1","7","9","1") = "8"
    & skf18("3","7","1","1","7","10","1") = "9"
    & skf18("3","7","1","1","8","1","1") = "7"
    & skf18("3","7","1","1","8","2","1") = "7"
    & skf18("3","7","1","1","8","3","1") = "7"
    & skf18("3","7","1","1","8","4","1") = "7"
    & skf18("3","7","1","1","8","5","1") = "7"
    & skf18("3","7","1","1","8","6","1") = "7"
    & skf18("3","7","1","1","8","7","1") = "7"
    & skf18("3","7","1","1","8","8","1") = "7"
    & skf18("3","7","1","1","8","9","1") = "8"
    & skf18("3","7","1","1","8","10","1") = "9"
    & skf18("3","7","1","1","9","1","1") = "8"
    & skf18("3","7","1","1","9","2","1") = "8"
    & skf18("3","7","1","1","9","3","1") = "8"
    & skf18("3","7","1","1","9","4","1") = "8"
    & skf18("3","7","1","1","9","5","1") = "8"
    & skf18("3","7","1","1","9","6","1") = "8"
    & skf18("3","7","1","1","9","7","1") = "8"
    & skf18("3","7","1","1","9","8","1") = "8"
    & skf18("3","7","1","1","9","9","1") = "8"
    & skf18("3","7","1","1","9","10","1") = "9"
    & skf18("3","7","1","1","10","1","1") = "9"
    & skf18("3","7","1","1","10","2","1") = "9"
    & skf18("3","7","1","1","10","3","1") = "9"
    & skf18("3","7","1","1","10","4","1") = "9"
    & skf18("3","7","1","1","10","5","1") = "9"
    & skf18("3","7","1","1","10","6","1") = "9"
    & skf18("3","7","1","1","10","7","1") = "9"
    & skf18("3","7","1","1","10","8","1") = "9"
    & skf18("3","7","1","1","10","9","1") = "9"
    & skf18("3","7","1","1","10","10","1") = "9"
    & skf18("3","7","1","2","1","1","1") = "6"
    & skf18("3","7","1","2","1","2","1") = "6"
    & skf18("3","7","1","2","1","3","1") = "6"
    & skf18("3","7","1","2","1","4","1") = "6"
    & skf18("3","7","1","2","1","5","1") = "6"
    & skf18("3","7","1","2","1","6","1") = "6"
    & skf18("3","7","1","2","1","7","1") = "6"
    & skf18("3","7","1","2","1","8","1") = "7"
    & skf18("3","7","1","2","1","9","1") = "8"
    & skf18("3","7","1","2","1","10","1") = "9"
    & skf18("3","7","1","2","2","1","1") = "6"
    & skf18("3","7","1","2","2","2","1") = "6"
    & skf18("3","7","1","2","2","3","1") = "6"
    & skf18("3","7","1","2","2","4","1") = "6"
    & skf18("3","7","1","2","2","5","1") = "6"
    & skf18("3","7","1","2","2","6","1") = "6"
    & skf18("3","7","1","2","2","7","1") = "6"
    & skf18("3","7","1","2","2","8","1") = "7"
    & skf18("3","7","1","2","2","9","1") = "8"
    & skf18("3","7","1","2","2","10","1") = "9"
    & skf18("3","7","1","2","3","1","1") = "6"
    & skf18("3","7","1","2","3","2","1") = "6"
    & skf18("3","7","1","2","3","3","1") = "6"
    & skf18("3","7","1","2","3","4","1") = "6"
    & skf18("3","7","1","2","3","5","1") = "6"
    & skf18("3","7","1","2","3","6","1") = "6"
    & skf18("3","7","1","2","3","7","1") = "6"
    & skf18("3","7","1","2","3","8","1") = "7"
    & skf18("3","7","1","2","3","9","1") = "8"
    & skf18("3","7","1","2","3","10","1") = "9"
    & skf18("3","7","1","2","4","1","1") = "6"
    & skf18("3","7","1","2","4","2","1") = "6"
    & skf18("3","7","1","2","4","3","1") = "6"
    & skf18("3","7","1","2","4","4","1") = "6"
    & skf18("3","7","1","2","4","5","1") = "6"
    & skf18("3","7","1","2","4","6","1") = "6"
    & skf18("3","7","1","2","4","7","1") = "6"
    & skf18("3","7","1","2","4","8","1") = "7"
    & skf18("3","7","1","2","4","9","1") = "8"
    & skf18("3","7","1","2","4","10","1") = "9"
    & skf18("3","7","1","2","5","1","1") = "6"
    & skf18("3","7","1","2","5","2","1") = "6"
    & skf18("3","7","1","2","5","3","1") = "6"
    & skf18("3","7","1","2","5","4","1") = "6"
    & skf18("3","7","1","2","5","5","1") = "6"
    & skf18("3","7","1","2","5","6","1") = "6"
    & skf18("3","7","1","2","5","7","1") = "6"
    & skf18("3","7","1","2","5","8","1") = "7"
    & skf18("3","7","1","2","5","9","1") = "8"
    & skf18("3","7","1","2","5","10","1") = "9"
    & skf18("3","7","1","2","6","1","1") = "6"
    & skf18("3","7","1","2","6","2","1") = "6"
    & skf18("3","7","1","2","6","3","1") = "6"
    & skf18("3","7","1","2","6","4","1") = "6"
    & skf18("3","7","1","2","6","5","1") = "6"
    & skf18("3","7","1","2","6","6","1") = "6"
    & skf18("3","7","1","2","6","7","1") = "6"
    & skf18("3","7","1","2","6","8","1") = "7"
    & skf18("3","7","1","2","6","9","1") = "8"
    & skf18("3","7","1","2","6","10","1") = "9"
    & skf18("3","7","1","2","7","1","1") = "6"
    & skf18("3","7","1","2","7","2","1") = "6"
    & skf18("3","7","1","2","7","3","1") = "6"
    & skf18("3","7","1","2","7","4","1") = "6"
    & skf18("3","7","1","2","7","5","1") = "6"
    & skf18("3","7","1","2","7","6","1") = "6"
    & skf18("3","7","1","2","7","7","1") = "6"
    & skf18("3","7","1","2","7","8","1") = "7"
    & skf18("3","7","1","2","7","9","1") = "8"
    & skf18("3","7","1","2","7","10","1") = "9"
    & skf18("3","7","1","2","8","1","1") = "7"
    & skf18("3","7","1","2","8","2","1") = "7"
    & skf18("3","7","1","2","8","3","1") = "7"
    & skf18("3","7","1","2","8","4","1") = "7"
    & skf18("3","7","1","2","8","5","1") = "7"
    & skf18("3","7","1","2","8","6","1") = "7"
    & skf18("3","7","1","2","8","7","1") = "7"
    & skf18("3","7","1","2","8","8","1") = "7"
    & skf18("3","7","1","2","8","9","1") = "8"
    & skf18("3","7","1","2","8","10","1") = "9"
    & skf18("3","7","1","2","9","1","1") = "8"
    & skf18("3","7","1","2","9","2","1") = "8"
    & skf18("3","7","1","2","9","3","1") = "8"
    & skf18("3","7","1","2","9","4","1") = "8"
    & skf18("3","7","1","2","9","5","1") = "8"
    & skf18("3","7","1","2","9","6","1") = "8"
    & skf18("3","7","1","2","9","7","1") = "8"
    & skf18("3","7","1","2","9","8","1") = "8"
    & skf18("3","7","1","2","9","9","1") = "8"
    & skf18("3","7","1","2","9","10","1") = "9"
    & skf18("3","7","1","2","10","1","1") = "9"
    & skf18("3","7","1","2","10","2","1") = "9"
    & skf18("3","7","1","2","10","3","1") = "9"
    & skf18("3","7","1","2","10","4","1") = "9"
    & skf18("3","7","1","2","10","5","1") = "9"
    & skf18("3","7","1","2","10","6","1") = "9"
    & skf18("3","7","1","2","10","7","1") = "9"
    & skf18("3","7","1","2","10","8","1") = "9"
    & skf18("3","7","1","2","10","9","1") = "9"
    & skf18("3","7","1","2","10","10","1") = "9"
    & skf18("3","7","1","3","1","1","1") = "6"
    & skf18("3","7","1","3","1","2","1") = "6"
    & skf18("3","7","1","3","1","3","1") = "6"
    & skf18("3","7","1","3","1","4","1") = "6"
    & skf18("3","7","1","3","1","5","1") = "6"
    & skf18("3","7","1","3","1","6","1") = "6"
    & skf18("3","7","1","3","1","7","1") = "6"
    & skf18("3","7","1","3","1","8","1") = "7"
    & skf18("3","7","1","3","1","9","1") = "8"
    & skf18("3","7","1","3","1","10","1") = "9"
    & skf18("3","7","1","3","2","1","1") = "6"
    & skf18("3","7","1","3","2","2","1") = "6"
    & skf18("3","7","1","3","2","3","1") = "6"
    & skf18("3","7","1","3","2","4","1") = "6"
    & skf18("3","7","1","3","2","5","1") = "6"
    & skf18("3","7","1","3","2","6","1") = "6"
    & skf18("3","7","1","3","2","7","1") = "6"
    & skf18("3","7","1","3","2","8","1") = "7"
    & skf18("3","7","1","3","2","9","1") = "8"
    & skf18("3","7","1","3","2","10","1") = "9"
    & skf18("3","7","1","3","3","1","1") = "6"
    & skf18("3","7","1","3","3","2","1") = "6"
    & skf18("3","7","1","3","3","3","1") = "6"
    & skf18("3","7","1","3","3","4","1") = "6"
    & skf18("3","7","1","3","3","5","1") = "6"
    & skf18("3","7","1","3","3","6","1") = "6"
    & skf18("3","7","1","3","3","7","1") = "6"
    & skf18("3","7","1","3","3","8","1") = "7"
    & skf18("3","7","1","3","3","9","1") = "8"
    & skf18("3","7","1","3","3","10","1") = "9"
    & skf18("3","7","1","3","4","1","1") = "6"
    & skf18("3","7","1","3","4","2","1") = "6"
    & skf18("3","7","1","3","4","3","1") = "6"
    & skf18("3","7","1","3","4","4","1") = "6"
    & skf18("3","7","1","3","4","5","1") = "6"
    & skf18("3","7","1","3","4","6","1") = "6"
    & skf18("3","7","1","3","4","7","1") = "6"
    & skf18("3","7","1","3","4","8","1") = "7"
    & skf18("3","7","1","3","4","9","1") = "8"
    & skf18("3","7","1","3","4","10","1") = "9"
    & skf18("3","7","1","3","5","1","1") = "6"
    & skf18("3","7","1","3","5","2","1") = "6"
    & skf18("3","7","1","3","5","3","1") = "6"
    & skf18("3","7","1","3","5","4","1") = "6"
    & skf18("3","7","1","3","5","5","1") = "6"
    & skf18("3","7","1","3","5","6","1") = "6"
    & skf18("3","7","1","3","5","7","1") = "6"
    & skf18("3","7","1","3","5","8","1") = "7"
    & skf18("3","7","1","3","5","9","1") = "8"
    & skf18("3","7","1","3","5","10","1") = "9"
    & skf18("3","7","1","3","6","1","1") = "6"
    & skf18("3","7","1","3","6","2","1") = "6"
    & skf18("3","7","1","3","6","3","1") = "6"
    & skf18("3","7","1","3","6","4","1") = "6"
    & skf18("3","7","1","3","6","5","1") = "6"
    & skf18("3","7","1","3","6","6","1") = "6"
    & skf18("3","7","1","3","6","7","1") = "6"
    & skf18("3","7","1","3","6","8","1") = "7"
    & skf18("3","7","1","3","6","9","1") = "8"
    & skf18("3","7","1","3","6","10","1") = "9"
    & skf18("3","7","1","3","7","1","1") = "6"
    & skf18("3","7","1","3","7","2","1") = "6"
    & skf18("3","7","1","3","7","3","1") = "6"
    & skf18("3","7","1","3","7","4","1") = "6"
    & skf18("3","7","1","3","7","5","1") = "6"
    & skf18("3","7","1","3","7","6","1") = "6"
    & skf18("3","7","1","3","7","7","1") = "6"
    & skf18("3","7","1","3","7","8","1") = "7"
    & skf18("3","7","1","3","7","9","1") = "8"
    & skf18("3","7","1","3","7","10","1") = "9"
    & skf18("3","7","1","3","8","1","1") = "7"
    & skf18("3","7","1","3","8","2","1") = "7"
    & skf18("3","7","1","3","8","3","1") = "7"
    & skf18("3","7","1","3","8","4","1") = "7"
    & skf18("3","7","1","3","8","5","1") = "7"
    & skf18("3","7","1","3","8","6","1") = "7"
    & skf18("3","7","1","3","8","7","1") = "7"
    & skf18("3","7","1","3","8","8","1") = "7"
    & skf18("3","7","1","3","8","9","1") = "8"
    & skf18("3","7","1","3","8","10","1") = "9"
    & skf18("3","7","1","3","9","1","1") = "8"
    & skf18("3","7","1","3","9","2","1") = "8"
    & skf18("3","7","1","3","9","3","1") = "8"
    & skf18("3","7","1","3","9","4","1") = "8"
    & skf18("3","7","1","3","9","5","1") = "8"
    & skf18("3","7","1","3","9","6","1") = "8"
    & skf18("3","7","1","3","9","7","1") = "8"
    & skf18("3","7","1","3","9","8","1") = "8"
    & skf18("3","7","1","3","9","9","1") = "8"
    & skf18("3","7","1","3","9","10","1") = "9"
    & skf18("3","7","1","3","10","1","1") = "9"
    & skf18("3","7","1","3","10","2","1") = "9"
    & skf18("3","7","1","3","10","3","1") = "9"
    & skf18("3","7","1","3","10","4","1") = "9"
    & skf18("3","7","1","3","10","5","1") = "9"
    & skf18("3","7","1","3","10","6","1") = "9"
    & skf18("3","7","1","3","10","7","1") = "9"
    & skf18("3","7","1","3","10","8","1") = "9"
    & skf18("3","7","1","3","10","9","1") = "9"
    & skf18("3","7","1","3","10","10","1") = "9"
    & skf18("3","7","1","4","1","1","1") = "6"
    & skf18("3","7","1","4","1","2","1") = "6"
    & skf18("3","7","1","4","1","3","1") = "6"
    & skf18("3","7","1","4","1","4","1") = "6"
    & skf18("3","7","1","4","1","5","1") = "6"
    & skf18("3","7","1","4","1","6","1") = "6"
    & skf18("3","7","1","4","1","7","1") = "6"
    & skf18("3","7","1","4","1","8","1") = "7"
    & skf18("3","7","1","4","1","9","1") = "8"
    & skf18("3","7","1","4","1","10","1") = "9"
    & skf18("3","7","1","4","2","1","1") = "6"
    & skf18("3","7","1","4","2","2","1") = "6"
    & skf18("3","7","1","4","2","3","1") = "6"
    & skf18("3","7","1","4","2","4","1") = "6"
    & skf18("3","7","1","4","2","5","1") = "6"
    & skf18("3","7","1","4","2","6","1") = "6"
    & skf18("3","7","1","4","2","7","1") = "6"
    & skf18("3","7","1","4","2","8","1") = "7"
    & skf18("3","7","1","4","2","9","1") = "8"
    & skf18("3","7","1","4","2","10","1") = "9"
    & skf18("3","7","1","4","3","1","1") = "6"
    & skf18("3","7","1","4","3","2","1") = "6"
    & skf18("3","7","1","4","3","3","1") = "6"
    & skf18("3","7","1","4","3","4","1") = "6"
    & skf18("3","7","1","4","3","5","1") = "6"
    & skf18("3","7","1","4","3","6","1") = "6"
    & skf18("3","7","1","4","3","7","1") = "6"
    & skf18("3","7","1","4","3","8","1") = "7"
    & skf18("3","7","1","4","3","9","1") = "8"
    & skf18("3","7","1","4","3","10","1") = "9"
    & skf18("3","7","1","4","4","1","1") = "6"
    & skf18("3","7","1","4","4","2","1") = "6"
    & skf18("3","7","1","4","4","3","1") = "6"
    & skf18("3","7","1","4","4","4","1") = "6"
    & skf18("3","7","1","4","4","5","1") = "6"
    & skf18("3","7","1","4","4","6","1") = "6"
    & skf18("3","7","1","4","4","7","1") = "6"
    & skf18("3","7","1","4","4","8","1") = "7"
    & skf18("3","7","1","4","4","9","1") = "8"
    & skf18("3","7","1","4","4","10","1") = "9"
    & skf18("3","7","1","4","5","1","1") = "6"
    & skf18("3","7","1","4","5","2","1") = "6"
    & skf18("3","7","1","4","5","3","1") = "6"
    & skf18("3","7","1","4","5","4","1") = "6"
    & skf18("3","7","1","4","5","5","1") = "6"
    & skf18("3","7","1","4","5","6","1") = "6"
    & skf18("3","7","1","4","5","7","1") = "6"
    & skf18("3","7","1","4","5","8","1") = "7"
    & skf18("3","7","1","4","5","9","1") = "8"
    & skf18("3","7","1","4","5","10","1") = "9"
    & skf18("3","7","1","4","6","1","1") = "6"
    & skf18("3","7","1","4","6","2","1") = "6"
    & skf18("3","7","1","4","6","3","1") = "6"
    & skf18("3","7","1","4","6","4","1") = "6"
    & skf18("3","7","1","4","6","5","1") = "6"
    & skf18("3","7","1","4","6","6","1") = "6"
    & skf18("3","7","1","4","6","7","1") = "6"
    & skf18("3","7","1","4","6","8","1") = "7"
    & skf18("3","7","1","4","6","9","1") = "8"
    & skf18("3","7","1","4","6","10","1") = "9"
    & skf18("3","7","1","4","7","1","1") = "6"
    & skf18("3","7","1","4","7","2","1") = "6"
    & skf18("3","7","1","4","7","3","1") = "6"
    & skf18("3","7","1","4","7","4","1") = "6"
    & skf18("3","7","1","4","7","5","1") = "6"
    & skf18("3","7","1","4","7","6","1") = "6"
    & skf18("3","7","1","4","7","7","1") = "6"
    & skf18("3","7","1","4","7","8","1") = "7"
    & skf18("3","7","1","4","7","9","1") = "8"
    & skf18("3","7","1","4","7","10","1") = "9"
    & skf18("3","7","1","4","8","1","1") = "7"
    & skf18("3","7","1","4","8","2","1") = "7"
    & skf18("3","7","1","4","8","3","1") = "7"
    & skf18("3","7","1","4","8","4","1") = "7"
    & skf18("3","7","1","4","8","5","1") = "7"
    & skf18("3","7","1","4","8","6","1") = "7"
    & skf18("3","7","1","4","8","7","1") = "7"
    & skf18("3","7","1","4","8","8","1") = "7"
    & skf18("3","7","1","4","8","9","1") = "8"
    & skf18("3","7","1","4","8","10","1") = "9"
    & skf18("3","7","1","4","9","1","1") = "8"
    & skf18("3","7","1","4","9","2","1") = "8"
    & skf18("3","7","1","4","9","3","1") = "8"
    & skf18("3","7","1","4","9","4","1") = "8"
    & skf18("3","7","1","4","9","5","1") = "8"
    & skf18("3","7","1","4","9","6","1") = "8"
    & skf18("3","7","1","4","9","7","1") = "8"
    & skf18("3","7","1","4","9","8","1") = "8"
    & skf18("3","7","1","4","9","9","1") = "8"
    & skf18("3","7","1","4","9","10","1") = "9"
    & skf18("3","7","1","4","10","1","1") = "9"
    & skf18("3","7","1","4","10","2","1") = "9"
    & skf18("3","7","1","4","10","3","1") = "9"
    & skf18("3","7","1","4","10","4","1") = "9"
    & skf18("3","7","1","4","10","5","1") = "9"
    & skf18("3","7","1","4","10","6","1") = "9"
    & skf18("3","7","1","4","10","7","1") = "9"
    & skf18("3","7","1","4","10","8","1") = "9"
    & skf18("3","7","1","4","10","9","1") = "9"
    & skf18("3","7","1","4","10","10","1") = "9"
    & skf18("3","7","1","5","1","1","1") = "6"
    & skf18("3","7","1","5","1","2","1") = "6"
    & skf18("3","7","1","5","1","3","1") = "6"
    & skf18("3","7","1","5","1","4","1") = "6"
    & skf18("3","7","1","5","1","5","1") = "6"
    & skf18("3","7","1","5","1","6","1") = "6"
    & skf18("3","7","1","5","1","7","1") = "6"
    & skf18("3","7","1","5","1","8","1") = "7"
    & skf18("3","7","1","5","1","9","1") = "8"
    & skf18("3","7","1","5","1","10","1") = "9"
    & skf18("3","7","1","5","2","1","1") = "6"
    & skf18("3","7","1","5","2","2","1") = "6"
    & skf18("3","7","1","5","2","3","1") = "6"
    & skf18("3","7","1","5","2","4","1") = "6"
    & skf18("3","7","1","5","2","5","1") = "6"
    & skf18("3","7","1","5","2","6","1") = "6"
    & skf18("3","7","1","5","2","7","1") = "6"
    & skf18("3","7","1","5","2","8","1") = "7"
    & skf18("3","7","1","5","2","9","1") = "8"
    & skf18("3","7","1","5","2","10","1") = "9"
    & skf18("3","7","1","5","3","1","1") = "6"
    & skf18("3","7","1","5","3","2","1") = "6"
    & skf18("3","7","1","5","3","3","1") = "6"
    & skf18("3","7","1","5","3","4","1") = "6"
    & skf18("3","7","1","5","3","5","1") = "6"
    & skf18("3","7","1","5","3","6","1") = "6"
    & skf18("3","7","1","5","3","7","1") = "6"
    & skf18("3","7","1","5","3","8","1") = "7"
    & skf18("3","7","1","5","3","9","1") = "8"
    & skf18("3","7","1","5","3","10","1") = "9"
    & skf18("3","7","1","5","4","1","1") = "6"
    & skf18("3","7","1","5","4","2","1") = "6"
    & skf18("3","7","1","5","4","3","1") = "6"
    & skf18("3","7","1","5","4","4","1") = "6"
    & skf18("3","7","1","5","4","5","1") = "6"
    & skf18("3","7","1","5","4","6","1") = "6"
    & skf18("3","7","1","5","4","7","1") = "6"
    & skf18("3","7","1","5","4","8","1") = "7"
    & skf18("3","7","1","5","4","9","1") = "8"
    & skf18("3","7","1","5","4","10","1") = "9"
    & skf18("3","7","1","5","5","1","1") = "6"
    & skf18("3","7","1","5","5","2","1") = "6"
    & skf18("3","7","1","5","5","3","1") = "6"
    & skf18("3","7","1","5","5","4","1") = "6"
    & skf18("3","7","1","5","5","5","1") = "6"
    & skf18("3","7","1","5","5","6","1") = "6"
    & skf18("3","7","1","5","5","7","1") = "6"
    & skf18("3","7","1","5","5","8","1") = "7"
    & skf18("3","7","1","5","5","9","1") = "8"
    & skf18("3","7","1","5","5","10","1") = "9"
    & skf18("3","7","1","5","6","1","1") = "6"
    & skf18("3","7","1","5","6","2","1") = "6"
    & skf18("3","7","1","5","6","3","1") = "6"
    & skf18("3","7","1","5","6","4","1") = "6"
    & skf18("3","7","1","5","6","5","1") = "6"
    & skf18("3","7","1","5","6","6","1") = "6"
    & skf18("3","7","1","5","6","7","1") = "6"
    & skf18("3","7","1","5","6","8","1") = "7"
    & skf18("3","7","1","5","6","9","1") = "8"
    & skf18("3","7","1","5","6","10","1") = "9"
    & skf18("3","7","1","5","7","1","1") = "6"
    & skf18("3","7","1","5","7","2","1") = "6"
    & skf18("3","7","1","5","7","3","1") = "6"
    & skf18("3","7","1","5","7","4","1") = "6"
    & skf18("3","7","1","5","7","5","1") = "6"
    & skf18("3","7","1","5","7","6","1") = "6"
    & skf18("3","7","1","5","7","7","1") = "6"
    & skf18("3","7","1","5","7","8","1") = "7"
    & skf18("3","7","1","5","7","9","1") = "8"
    & skf18("3","7","1","5","7","10","1") = "9"
    & skf18("3","7","1","5","8","1","1") = "7"
    & skf18("3","7","1","5","8","2","1") = "7"
    & skf18("3","7","1","5","8","3","1") = "7"
    & skf18("3","7","1","5","8","4","1") = "7"
    & skf18("3","7","1","5","8","5","1") = "7"
    & skf18("3","7","1","5","8","6","1") = "7"
    & skf18("3","7","1","5","8","7","1") = "7"
    & skf18("3","7","1","5","8","8","1") = "7"
    & skf18("3","7","1","5","8","9","1") = "8"
    & skf18("3","7","1","5","8","10","1") = "9"
    & skf18("3","7","1","5","9","1","1") = "8"
    & skf18("3","7","1","5","9","2","1") = "8"
    & skf18("3","7","1","5","9","3","1") = "8"
    & skf18("3","7","1","5","9","4","1") = "8"
    & skf18("3","7","1","5","9","5","1") = "8"
    & skf18("3","7","1","5","9","6","1") = "8"
    & skf18("3","7","1","5","9","7","1") = "8"
    & skf18("3","7","1","5","9","8","1") = "8"
    & skf18("3","7","1","5","9","9","1") = "8"
    & skf18("3","7","1","5","9","10","1") = "9"
    & skf18("3","7","1","5","10","1","1") = "9"
    & skf18("3","7","1","5","10","2","1") = "9"
    & skf18("3","7","1","5","10","3","1") = "9"
    & skf18("3","7","1","5","10","4","1") = "9"
    & skf18("3","7","1","5","10","5","1") = "9"
    & skf18("3","7","1","5","10","6","1") = "9"
    & skf18("3","7","1","5","10","7","1") = "9"
    & skf18("3","7","1","5","10","8","1") = "9"
    & skf18("3","7","1","5","10","9","1") = "9"
    & skf18("3","7","1","5","10","10","1") = "9"
    & skf18("3","7","1","6","1","1","1") = "6"
    & skf18("3","7","1","6","1","2","1") = "6"
    & skf18("3","7","1","6","1","3","1") = "6"
    & skf18("3","7","1","6","1","4","1") = "6"
    & skf18("3","7","1","6","1","5","1") = "6"
    & skf18("3","7","1","6","1","6","1") = "6"
    & skf18("3","7","1","6","1","7","1") = "6"
    & skf18("3","7","1","6","1","8","1") = "7"
    & skf18("3","7","1","6","1","9","1") = "8"
    & skf18("3","7","1","6","1","10","1") = "9"
    & skf18("3","7","1","6","2","1","1") = "6"
    & skf18("3","7","1","6","2","2","1") = "6"
    & skf18("3","7","1","6","2","3","1") = "6"
    & skf18("3","7","1","6","2","4","1") = "6"
    & skf18("3","7","1","6","2","5","1") = "6"
    & skf18("3","7","1","6","2","6","1") = "6"
    & skf18("3","7","1","6","2","7","1") = "6"
    & skf18("3","7","1","6","2","8","1") = "7"
    & skf18("3","7","1","6","2","9","1") = "8"
    & skf18("3","7","1","6","2","10","1") = "9"
    & skf18("3","7","1","6","3","1","1") = "6"
    & skf18("3","7","1","6","3","2","1") = "6"
    & skf18("3","7","1","6","3","3","1") = "6"
    & skf18("3","7","1","6","3","4","1") = "6"
    & skf18("3","7","1","6","3","5","1") = "6"
    & skf18("3","7","1","6","3","6","1") = "6"
    & skf18("3","7","1","6","3","7","1") = "6"
    & skf18("3","7","1","6","3","8","1") = "7"
    & skf18("3","7","1","6","3","9","1") = "8"
    & skf18("3","7","1","6","3","10","1") = "9"
    & skf18("3","7","1","6","4","1","1") = "6"
    & skf18("3","7","1","6","4","2","1") = "6"
    & skf18("3","7","1","6","4","3","1") = "6"
    & skf18("3","7","1","6","4","4","1") = "6"
    & skf18("3","7","1","6","4","5","1") = "6"
    & skf18("3","7","1","6","4","6","1") = "6"
    & skf18("3","7","1","6","4","7","1") = "6"
    & skf18("3","7","1","6","4","8","1") = "7"
    & skf18("3","7","1","6","4","9","1") = "8"
    & skf18("3","7","1","6","4","10","1") = "9"
    & skf18("3","7","1","6","5","1","1") = "6"
    & skf18("3","7","1","6","5","2","1") = "6"
    & skf18("3","7","1","6","5","3","1") = "6"
    & skf18("3","7","1","6","5","4","1") = "6"
    & skf18("3","7","1","6","5","5","1") = "6"
    & skf18("3","7","1","6","5","6","1") = "6"
    & skf18("3","7","1","6","5","7","1") = "6"
    & skf18("3","7","1","6","5","8","1") = "7"
    & skf18("3","7","1","6","5","9","1") = "8"
    & skf18("3","7","1","6","5","10","1") = "9"
    & skf18("3","7","1","6","6","1","1") = "6"
    & skf18("3","7","1","6","6","2","1") = "6"
    & skf18("3","7","1","6","6","3","1") = "6"
    & skf18("3","7","1","6","6","4","1") = "6"
    & skf18("3","7","1","6","6","5","1") = "6"
    & skf18("3","7","1","6","6","6","1") = "6"
    & skf18("3","7","1","6","6","7","1") = "6"
    & skf18("3","7","1","6","6","8","1") = "7"
    & skf18("3","7","1","6","6","9","1") = "8"
    & skf18("3","7","1","6","6","10","1") = "9"
    & skf18("3","7","1","6","7","1","1") = "6"
    & skf18("3","7","1","6","7","2","1") = "6"
    & skf18("3","7","1","6","7","3","1") = "6"
    & skf18("3","7","1","6","7","4","1") = "6"
    & skf18("3","7","1","6","7","5","1") = "6"
    & skf18("3","7","1","6","7","6","1") = "6"
    & skf18("3","7","1","6","7","7","1") = "6"
    & skf18("3","7","1","6","7","8","1") = "7"
    & skf18("3","7","1","6","7","9","1") = "8"
    & skf18("3","7","1","6","7","10","1") = "9"
    & skf18("3","7","1","6","8","1","1") = "7"
    & skf18("3","7","1","6","8","2","1") = "7"
    & skf18("3","7","1","6","8","3","1") = "7"
    & skf18("3","7","1","6","8","4","1") = "7"
    & skf18("3","7","1","6","8","5","1") = "7"
    & skf18("3","7","1","6","8","6","1") = "7"
    & skf18("3","7","1","6","8","7","1") = "7"
    & skf18("3","7","1","6","8","8","1") = "7"
    & skf18("3","7","1","6","8","9","1") = "8"
    & skf18("3","7","1","6","8","10","1") = "9"
    & skf18("3","7","1","6","9","1","1") = "8"
    & skf18("3","7","1","6","9","2","1") = "8"
    & skf18("3","7","1","6","9","3","1") = "8"
    & skf18("3","7","1","6","9","4","1") = "8"
    & skf18("3","7","1","6","9","5","1") = "8"
    & skf18("3","7","1","6","9","6","1") = "8"
    & skf18("3","7","1","6","9","7","1") = "8"
    & skf18("3","7","1","6","9","8","1") = "8"
    & skf18("3","7","1","6","9","9","1") = "8"
    & skf18("3","7","1","6","9","10","1") = "9"
    & skf18("3","7","1","6","10","1","1") = "9"
    & skf18("3","7","1","6","10","2","1") = "9"
    & skf18("3","7","1","6","10","3","1") = "9"
    & skf18("3","7","1","6","10","4","1") = "9"
    & skf18("3","7","1","6","10","5","1") = "9"
    & skf18("3","7","1","6","10","6","1") = "9"
    & skf18("3","7","1","6","10","7","1") = "9"
    & skf18("3","7","1","6","10","8","1") = "9"
    & skf18("3","7","1","6","10","9","1") = "9"
    & skf18("3","7","1","6","10","10","1") = "9"
    & skf18("3","7","1","7","1","1","1") = "6"
    & skf18("3","7","1","7","1","2","1") = "6"
    & skf18("3","7","1","7","1","3","1") = "6"
    & skf18("3","7","1","7","1","4","1") = "6"
    & skf18("3","7","1","7","1","5","1") = "6"
    & skf18("3","7","1","7","1","6","1") = "6"
    & skf18("3","7","1","7","1","7","1") = "6"
    & skf18("3","7","1","7","1","8","1") = "7"
    & skf18("3","7","1","7","1","9","1") = "8"
    & skf18("3","7","1","7","1","10","1") = "9"
    & skf18("3","7","1","7","2","1","1") = "6"
    & skf18("3","7","1","7","2","2","1") = "6"
    & skf18("3","7","1","7","2","3","1") = "6"
    & skf18("3","7","1","7","2","4","1") = "6"
    & skf18("3","7","1","7","2","5","1") = "6"
    & skf18("3","7","1","7","2","6","1") = "6"
    & skf18("3","7","1","7","2","7","1") = "6"
    & skf18("3","7","1","7","2","8","1") = "7"
    & skf18("3","7","1","7","2","9","1") = "8"
    & skf18("3","7","1","7","2","10","1") = "9"
    & skf18("3","7","1","7","3","1","1") = "6"
    & skf18("3","7","1","7","3","2","1") = "6"
    & skf18("3","7","1","7","3","3","1") = "6"
    & skf18("3","7","1","7","3","4","1") = "6"
    & skf18("3","7","1","7","3","5","1") = "6"
    & skf18("3","7","1","7","3","6","1") = "6"
    & skf18("3","7","1","7","3","7","1") = "6"
    & skf18("3","7","1","7","3","8","1") = "7"
    & skf18("3","7","1","7","3","9","1") = "8"
    & skf18("3","7","1","7","3","10","1") = "9"
    & skf18("3","7","1","7","4","1","1") = "6"
    & skf18("3","7","1","7","4","2","1") = "6"
    & skf18("3","7","1","7","4","3","1") = "6"
    & skf18("3","7","1","7","4","4","1") = "6"
    & skf18("3","7","1","7","4","5","1") = "6"
    & skf18("3","7","1","7","4","6","1") = "6"
    & skf18("3","7","1","7","4","7","1") = "6"
    & skf18("3","7","1","7","4","8","1") = "7"
    & skf18("3","7","1","7","4","9","1") = "8"
    & skf18("3","7","1","7","4","10","1") = "9"
    & skf18("3","7","1","7","5","1","1") = "6"
    & skf18("3","7","1","7","5","2","1") = "6"
    & skf18("3","7","1","7","5","3","1") = "6"
    & skf18("3","7","1","7","5","4","1") = "6"
    & skf18("3","7","1","7","5","5","1") = "6"
    & skf18("3","7","1","7","5","6","1") = "6"
    & skf18("3","7","1","7","5","7","1") = "6"
    & skf18("3","7","1","7","5","8","1") = "7"
    & skf18("3","7","1","7","5","9","1") = "8"
    & skf18("3","7","1","7","5","10","1") = "9"
    & skf18("3","7","1","7","6","1","1") = "6"
    & skf18("3","7","1","7","6","2","1") = "6"
    & skf18("3","7","1","7","6","3","1") = "6"
    & skf18("3","7","1","7","6","4","1") = "6"
    & skf18("3","7","1","7","6","5","1") = "6"
    & skf18("3","7","1","7","6","6","1") = "6"
    & skf18("3","7","1","7","6","7","1") = "6"
    & skf18("3","7","1","7","6","8","1") = "7"
    & skf18("3","7","1","7","6","9","1") = "8"
    & skf18("3","7","1","7","6","10","1") = "9"
    & skf18("3","7","1","7","7","1","1") = "6"
    & skf18("3","7","1","7","7","2","1") = "6"
    & skf18("3","7","1","7","7","3","1") = "6"
    & skf18("3","7","1","7","7","4","1") = "6"
    & skf18("3","7","1","7","7","5","1") = "6"
    & skf18("3","7","1","7","7","6","1") = "6"
    & skf18("3","7","1","7","7","7","1") = "6"
    & skf18("3","7","1","7","7","8","1") = "7"
    & skf18("3","7","1","7","7","9","1") = "8"
    & skf18("3","7","1","7","7","10","1") = "9"
    & skf18("3","7","1","7","8","1","1") = "7"
    & skf18("3","7","1","7","8","2","1") = "7"
    & skf18("3","7","1","7","8","3","1") = "7"
    & skf18("3","7","1","7","8","4","1") = "7"
    & skf18("3","7","1","7","8","5","1") = "7"
    & skf18("3","7","1","7","8","6","1") = "7"
    & skf18("3","7","1","7","8","7","1") = "7"
    & skf18("3","7","1","7","8","8","1") = "7"
    & skf18("3","7","1","7","8","9","1") = "8"
    & skf18("3","7","1","7","8","10","1") = "9"
    & skf18("3","7","1","7","9","1","1") = "8"
    & skf18("3","7","1","7","9","2","1") = "8"
    & skf18("3","7","1","7","9","3","1") = "8"
    & skf18("3","7","1","7","9","4","1") = "8"
    & skf18("3","7","1","7","9","5","1") = "8"
    & skf18("3","7","1","7","9","6","1") = "8"
    & skf18("3","7","1","7","9","7","1") = "8"
    & skf18("3","7","1","7","9","8","1") = "8"
    & skf18("3","7","1","7","9","9","1") = "8"
    & skf18("3","7","1","7","9","10","1") = "9"
    & skf18("3","7","1","7","10","1","1") = "9"
    & skf18("3","7","1","7","10","2","1") = "9"
    & skf18("3","7","1","7","10","3","1") = "9"
    & skf18("3","7","1","7","10","4","1") = "9"
    & skf18("3","7","1","7","10","5","1") = "9"
    & skf18("3","7","1","7","10","6","1") = "9"
    & skf18("3","7","1","7","10","7","1") = "9"
    & skf18("3","7","1","7","10","8","1") = "9"
    & skf18("3","7","1","7","10","9","1") = "9"
    & skf18("3","7","1","7","10","10","1") = "9"
    & skf18("3","7","1","8","1","1","1") = "7"
    & skf18("3","7","1","8","1","2","1") = "7"
    & skf18("3","7","1","8","1","3","1") = "7"
    & skf18("3","7","1","8","1","4","1") = "7"
    & skf18("3","7","1","8","1","5","1") = "7"
    & skf18("3","7","1","8","1","6","1") = "7"
    & skf18("3","7","1","8","1","7","1") = "7"
    & skf18("3","7","1","8","1","8","1") = "7"
    & skf18("3","7","1","8","1","9","1") = "8"
    & skf18("3","7","1","8","1","10","1") = "9"
    & skf18("3","7","1","8","2","1","1") = "7"
    & skf18("3","7","1","8","2","2","1") = "7"
    & skf18("3","7","1","8","2","3","1") = "7"
    & skf18("3","7","1","8","2","4","1") = "7"
    & skf18("3","7","1","8","2","5","1") = "7"
    & skf18("3","7","1","8","2","6","1") = "7"
    & skf18("3","7","1","8","2","7","1") = "7"
    & skf18("3","7","1","8","2","8","1") = "7"
    & skf18("3","7","1","8","2","9","1") = "8"
    & skf18("3","7","1","8","2","10","1") = "9"
    & skf18("3","7","1","8","3","1","1") = "7"
    & skf18("3","7","1","8","3","2","1") = "7"
    & skf18("3","7","1","8","3","3","1") = "7"
    & skf18("3","7","1","8","3","4","1") = "7"
    & skf18("3","7","1","8","3","5","1") = "7"
    & skf18("3","7","1","8","3","6","1") = "7"
    & skf18("3","7","1","8","3","7","1") = "7"
    & skf18("3","7","1","8","3","8","1") = "7"
    & skf18("3","7","1","8","3","9","1") = "8"
    & skf18("3","7","1","8","3","10","1") = "9"
    & skf18("3","7","1","8","4","1","1") = "7"
    & skf18("3","7","1","8","4","2","1") = "7"
    & skf18("3","7","1","8","4","3","1") = "7"
    & skf18("3","7","1","8","4","4","1") = "7"
    & skf18("3","7","1","8","4","5","1") = "7"
    & skf18("3","7","1","8","4","6","1") = "7"
    & skf18("3","7","1","8","4","7","1") = "7"
    & skf18("3","7","1","8","4","8","1") = "7"
    & skf18("3","7","1","8","4","9","1") = "8"
    & skf18("3","7","1","8","4","10","1") = "9"
    & skf18("3","7","1","8","5","1","1") = "7"
    & skf18("3","7","1","8","5","2","1") = "7"
    & skf18("3","7","1","8","5","3","1") = "7"
    & skf18("3","7","1","8","5","4","1") = "7"
    & skf18("3","7","1","8","5","5","1") = "7"
    & skf18("3","7","1","8","5","6","1") = "7"
    & skf18("3","7","1","8","5","7","1") = "7"
    & skf18("3","7","1","8","5","8","1") = "7"
    & skf18("3","7","1","8","5","9","1") = "8"
    & skf18("3","7","1","8","5","10","1") = "9"
    & skf18("3","7","1","8","6","1","1") = "7"
    & skf18("3","7","1","8","6","2","1") = "7"
    & skf18("3","7","1","8","6","3","1") = "7"
    & skf18("3","7","1","8","6","4","1") = "7"
    & skf18("3","7","1","8","6","5","1") = "7"
    & skf18("3","7","1","8","6","6","1") = "7"
    & skf18("3","7","1","8","6","7","1") = "7"
    & skf18("3","7","1","8","6","8","1") = "7"
    & skf18("3","7","1","8","6","9","1") = "8"
    & skf18("3","7","1","8","6","10","1") = "9"
    & skf18("3","7","1","8","7","1","1") = "7"
    & skf18("3","7","1","8","7","2","1") = "7"
    & skf18("3","7","1","8","7","3","1") = "7"
    & skf18("3","7","1","8","7","4","1") = "7"
    & skf18("3","7","1","8","7","5","1") = "7"
    & skf18("3","7","1","8","7","6","1") = "7"
    & skf18("3","7","1","8","7","7","1") = "7"
    & skf18("3","7","1","8","7","8","1") = "7"
    & skf18("3","7","1","8","7","9","1") = "8"
    & skf18("3","7","1","8","7","10","1") = "9"
    & skf18("3","7","1","8","8","1","1") = "7"
    & skf18("3","7","1","8","8","2","1") = "7"
    & skf18("3","7","1","8","8","3","1") = "7"
    & skf18("3","7","1","8","8","4","1") = "7"
    & skf18("3","7","1","8","8","5","1") = "7"
    & skf18("3","7","1","8","8","6","1") = "7"
    & skf18("3","7","1","8","8","7","1") = "7"
    & skf18("3","7","1","8","8","8","1") = "7"
    & skf18("3","7","1","8","8","9","1") = "8"
    & skf18("3","7","1","8","8","10","1") = "9"
    & skf18("3","7","1","8","9","1","1") = "8"
    & skf18("3","7","1","8","9","2","1") = "8"
    & skf18("3","7","1","8","9","3","1") = "8"
    & skf18("3","7","1","8","9","4","1") = "8"
    & skf18("3","7","1","8","9","5","1") = "8"
    & skf18("3","7","1","8","9","6","1") = "8"
    & skf18("3","7","1","8","9","7","1") = "8"
    & skf18("3","7","1","8","9","8","1") = "8"
    & skf18("3","7","1","8","9","9","1") = "8"
    & skf18("3","7","1","8","9","10","1") = "9"
    & skf18("3","7","1","8","10","1","1") = "9"
    & skf18("3","7","1","8","10","2","1") = "9"
    & skf18("3","7","1","8","10","3","1") = "9"
    & skf18("3","7","1","8","10","4","1") = "9"
    & skf18("3","7","1","8","10","5","1") = "9"
    & skf18("3","7","1","8","10","6","1") = "9"
    & skf18("3","7","1","8","10","7","1") = "9"
    & skf18("3","7","1","8","10","8","1") = "9"
    & skf18("3","7","1","8","10","9","1") = "9"
    & skf18("3","7","1","8","10","10","1") = "9"
    & skf18("3","7","1","9","1","1","1") = "8"
    & skf18("3","7","1","9","1","2","1") = "8"
    & skf18("3","7","1","9","1","3","1") = "8"
    & skf18("3","7","1","9","1","4","1") = "8"
    & skf18("3","7","1","9","1","5","1") = "8"
    & skf18("3","7","1","9","1","6","1") = "8"
    & skf18("3","7","1","9","1","7","1") = "8"
    & skf18("3","7","1","9","1","8","1") = "8"
    & skf18("3","7","1","9","1","9","1") = "8"
    & skf18("3","7","1","9","1","10","1") = "9"
    & skf18("3","7","1","9","2","1","1") = "8"
    & skf18("3","7","1","9","2","2","1") = "8"
    & skf18("3","7","1","9","2","3","1") = "8"
    & skf18("3","7","1","9","2","4","1") = "8"
    & skf18("3","7","1","9","2","5","1") = "8"
    & skf18("3","7","1","9","2","6","1") = "8"
    & skf18("3","7","1","9","2","7","1") = "8"
    & skf18("3","7","1","9","2","8","1") = "8"
    & skf18("3","7","1","9","2","9","1") = "8"
    & skf18("3","7","1","9","2","10","1") = "9"
    & skf18("3","7","1","9","3","1","1") = "8"
    & skf18("3","7","1","9","3","2","1") = "8"
    & skf18("3","7","1","9","3","3","1") = "8"
    & skf18("3","7","1","9","3","4","1") = "8"
    & skf18("3","7","1","9","3","5","1") = "8"
    & skf18("3","7","1","9","3","6","1") = "8"
    & skf18("3","7","1","9","3","7","1") = "8"
    & skf18("3","7","1","9","3","8","1") = "8"
    & skf18("3","7","1","9","3","9","1") = "8"
    & skf18("3","7","1","9","3","10","1") = "9"
    & skf18("3","7","1","9","4","1","1") = "8"
    & skf18("3","7","1","9","4","2","1") = "8"
    & skf18("3","7","1","9","4","3","1") = "8"
    & skf18("3","7","1","9","4","4","1") = "8"
    & skf18("3","7","1","9","4","5","1") = "8"
    & skf18("3","7","1","9","4","6","1") = "8"
    & skf18("3","7","1","9","4","7","1") = "8"
    & skf18("3","7","1","9","4","8","1") = "8"
    & skf18("3","7","1","9","4","9","1") = "8"
    & skf18("3","7","1","9","4","10","1") = "9"
    & skf18("3","7","1","9","5","1","1") = "8"
    & skf18("3","7","1","9","5","2","1") = "8"
    & skf18("3","7","1","9","5","3","1") = "8"
    & skf18("3","7","1","9","5","4","1") = "8"
    & skf18("3","7","1","9","5","5","1") = "8"
    & skf18("3","7","1","9","5","6","1") = "8"
    & skf18("3","7","1","9","5","7","1") = "8"
    & skf18("3","7","1","9","5","8","1") = "8"
    & skf18("3","7","1","9","5","9","1") = "8"
    & skf18("3","7","1","9","5","10","1") = "9"
    & skf18("3","7","1","9","6","1","1") = "8"
    & skf18("3","7","1","9","6","2","1") = "8"
    & skf18("3","7","1","9","6","3","1") = "8"
    & skf18("3","7","1","9","6","4","1") = "8"
    & skf18("3","7","1","9","6","5","1") = "8"
    & skf18("3","7","1","9","6","6","1") = "8"
    & skf18("3","7","1","9","6","7","1") = "8"
    & skf18("3","7","1","9","6","8","1") = "8"
    & skf18("3","7","1","9","6","9","1") = "8"
    & skf18("3","7","1","9","6","10","1") = "9"
    & skf18("3","7","1","9","7","1","1") = "8"
    & skf18("3","7","1","9","7","2","1") = "8"
    & skf18("3","7","1","9","7","3","1") = "8"
    & skf18("3","7","1","9","7","4","1") = "8"
    & skf18("3","7","1","9","7","5","1") = "8"
    & skf18("3","7","1","9","7","6","1") = "8"
    & skf18("3","7","1","9","7","7","1") = "8"
    & skf18("3","7","1","9","7","8","1") = "8"
    & skf18("3","7","1","9","7","9","1") = "8"
    & skf18("3","7","1","9","7","10","1") = "9"
    & skf18("3","7","1","9","8","1","1") = "8"
    & skf18("3","7","1","9","8","2","1") = "8"
    & skf18("3","7","1","9","8","3","1") = "8"
    & skf18("3","7","1","9","8","4","1") = "8"
    & skf18("3","7","1","9","8","5","1") = "8"
    & skf18("3","7","1","9","8","6","1") = "8"
    & skf18("3","7","1","9","8","7","1") = "8"
    & skf18("3","7","1","9","8","8","1") = "8"
    & skf18("3","7","1","9","8","9","1") = "8"
    & skf18("3","7","1","9","8","10","1") = "9"
    & skf18("3","7","1","9","9","1","1") = "8"
    & skf18("3","7","1","9","9","2","1") = "8"
    & skf18("3","7","1","9","9","3","1") = "8"
    & skf18("3","7","1","9","9","4","1") = "8"
    & skf18("3","7","1","9","9","5","1") = "8"
    & skf18("3","7","1","9","9","6","1") = "8"
    & skf18("3","7","1","9","9","7","1") = "8"
    & skf18("3","7","1","9","9","8","1") = "8"
    & skf18("3","7","1","9","9","9","1") = "8"
    & skf18("3","7","1","9","9","10","1") = "9"
    & skf18("3","7","1","9","10","1","1") = "9"
    & skf18("3","7","1","9","10","2","1") = "9"
    & skf18("3","7","1","9","10","3","1") = "9"
    & skf18("3","7","1","9","10","4","1") = "9"
    & skf18("3","7","1","9","10","5","1") = "9"
    & skf18("3","7","1","9","10","6","1") = "9"
    & skf18("3","7","1","9","10","7","1") = "9"
    & skf18("3","7","1","9","10","8","1") = "9"
    & skf18("3","7","1","9","10","9","1") = "9"
    & skf18("3","7","1","9","10","10","1") = "9"
    & skf18("3","7","1","10","1","1","1") = "9"
    & skf18("3","7","1","10","1","2","1") = "9"
    & skf18("3","7","1","10","1","3","1") = "9"
    & skf18("3","7","1","10","1","4","1") = "9"
    & skf18("3","7","1","10","1","5","1") = "9"
    & skf18("3","7","1","10","1","6","1") = "9"
    & skf18("3","7","1","10","1","7","1") = "9"
    & skf18("3","7","1","10","1","8","1") = "9"
    & skf18("3","7","1","10","1","9","1") = "9"
    & skf18("3","7","1","10","1","10","1") = "9"
    & skf18("3","7","1","10","2","1","1") = "9"
    & skf18("3","7","1","10","2","2","1") = "9"
    & skf18("3","7","1","10","2","3","1") = "9"
    & skf18("3","7","1","10","2","4","1") = "9"
    & skf18("3","7","1","10","2","5","1") = "9"
    & skf18("3","7","1","10","2","6","1") = "9"
    & skf18("3","7","1","10","2","7","1") = "9"
    & skf18("3","7","1","10","2","8","1") = "9"
    & skf18("3","7","1","10","2","9","1") = "9"
    & skf18("3","7","1","10","2","10","1") = "9"
    & skf18("3","7","1","10","3","1","1") = "9"
    & skf18("3","7","1","10","3","2","1") = "9"
    & skf18("3","7","1","10","3","3","1") = "9"
    & skf18("3","7","1","10","3","4","1") = "9"
    & skf18("3","7","1","10","3","5","1") = "9"
    & skf18("3","7","1","10","3","6","1") = "9"
    & skf18("3","7","1","10","3","7","1") = "9"
    & skf18("3","7","1","10","3","8","1") = "9"
    & skf18("3","7","1","10","3","9","1") = "9"
    & skf18("3","7","1","10","3","10","1") = "9"
    & skf18("3","7","1","10","4","1","1") = "9"
    & skf18("3","7","1","10","4","2","1") = "9"
    & skf18("3","7","1","10","4","3","1") = "9"
    & skf18("3","7","1","10","4","4","1") = "9"
    & skf18("3","7","1","10","4","5","1") = "9"
    & skf18("3","7","1","10","4","6","1") = "9"
    & skf18("3","7","1","10","4","7","1") = "9"
    & skf18("3","7","1","10","4","8","1") = "9"
    & skf18("3","7","1","10","4","9","1") = "9"
    & skf18("3","7","1","10","4","10","1") = "9"
    & skf18("3","7","1","10","5","1","1") = "9"
    & skf18("3","7","1","10","5","2","1") = "9"
    & skf18("3","7","1","10","5","3","1") = "9"
    & skf18("3","7","1","10","5","4","1") = "9"
    & skf18("3","7","1","10","5","5","1") = "9"
    & skf18("3","7","1","10","5","6","1") = "9"
    & skf18("3","7","1","10","5","7","1") = "9"
    & skf18("3","7","1","10","5","8","1") = "9"
    & skf18("3","7","1","10","5","9","1") = "9"
    & skf18("3","7","1","10","5","10","1") = "9"
    & skf18("3","7","1","10","6","1","1") = "9"
    & skf18("3","7","1","10","6","2","1") = "9"
    & skf18("3","7","1","10","6","3","1") = "9"
    & skf18("3","7","1","10","6","4","1") = "9"
    & skf18("3","7","1","10","6","5","1") = "9"
    & skf18("3","7","1","10","6","6","1") = "9"
    & skf18("3","7","1","10","6","7","1") = "9"
    & skf18("3","7","1","10","6","8","1") = "9"
    & skf18("3","7","1","10","6","9","1") = "9"
    & skf18("3","7","1","10","6","10","1") = "9"
    & skf18("3","7","1","10","7","1","1") = "9"
    & skf18("3","7","1","10","7","2","1") = "9"
    & skf18("3","7","1","10","7","3","1") = "9"
    & skf18("3","7","1","10","7","4","1") = "9"
    & skf18("3","7","1","10","7","5","1") = "9"
    & skf18("3","7","1","10","7","6","1") = "9"
    & skf18("3","7","1","10","7","7","1") = "9"
    & skf18("3","7","1","10","7","8","1") = "9"
    & skf18("3","7","1","10","7","9","1") = "9"
    & skf18("3","7","1","10","7","10","1") = "9"
    & skf18("3","7","1","10","8","1","1") = "9"
    & skf18("3","7","1","10","8","2","1") = "9"
    & skf18("3","7","1","10","8","3","1") = "9"
    & skf18("3","7","1","10","8","4","1") = "9"
    & skf18("3","7","1","10","8","5","1") = "9"
    & skf18("3","7","1","10","8","6","1") = "9"
    & skf18("3","7","1","10","8","7","1") = "9"
    & skf18("3","7","1","10","8","8","1") = "9"
    & skf18("3","7","1","10","8","9","1") = "9"
    & skf18("3","7","1","10","8","10","1") = "9"
    & skf18("3","7","1","10","9","1","1") = "9"
    & skf18("3","7","1","10","9","2","1") = "9"
    & skf18("3","7","1","10","9","3","1") = "9"
    & skf18("3","7","1","10","9","4","1") = "9"
    & skf18("3","7","1","10","9","5","1") = "9"
    & skf18("3","7","1","10","9","6","1") = "9"
    & skf18("3","7","1","10","9","7","1") = "9"
    & skf18("3","7","1","10","9","8","1") = "9"
    & skf18("3","7","1","10","9","9","1") = "9"
    & skf18("3","7","1","10","9","10","1") = "9"
    & skf18("3","7","1","10","10","1","1") = "9"
    & skf18("3","7","1","10","10","2","1") = "9"
    & skf18("3","7","1","10","10","3","1") = "9"
    & skf18("3","7","1","10","10","4","1") = "9"
    & skf18("3","7","1","10","10","5","1") = "9"
    & skf18("3","7","1","10","10","6","1") = "9"
    & skf18("3","7","1","10","10","7","1") = "9"
    & skf18("3","7","1","10","10","8","1") = "9"
    & skf18("3","7","1","10","10","9","1") = "9"
    & skf18("3","7","1","10","10","10","1") = "9"
    & skf18("3","7","2","1","1","1","1") = "6"
    & skf18("3","7","2","1","1","2","1") = "6"
    & skf18("3","7","2","1","1","3","1") = "6"
    & skf18("3","7","2","1","1","4","1") = "6"
    & skf18("3","7","2","1","1","5","1") = "6"
    & skf18("3","7","2","1","1","6","1") = "6"
    & skf18("3","7","2","1","1","7","1") = "6"
    & skf18("3","7","2","1","1","8","1") = "7"
    & skf18("3","7","2","1","1","9","1") = "8"
    & skf18("3","7","2","1","1","10","1") = "9"
    & skf18("3","7","2","1","2","1","1") = "6"
    & skf18("3","7","2","1","2","2","1") = "6"
    & skf18("3","7","2","1","2","3","1") = "6"
    & skf18("3","7","2","1","2","4","1") = "6"
    & skf18("3","7","2","1","2","5","1") = "6"
    & skf18("3","7","2","1","2","6","1") = "6"
    & skf18("3","7","2","1","2","7","1") = "6"
    & skf18("3","7","2","1","2","8","1") = "7"
    & skf18("3","7","2","1","2","9","1") = "8"
    & skf18("3","7","2","1","2","10","1") = "9"
    & skf18("3","7","2","1","3","1","1") = "6"
    & skf18("3","7","2","1","3","2","1") = "6"
    & skf18("3","7","2","1","3","3","1") = "6"
    & skf18("3","7","2","1","3","4","1") = "6"
    & skf18("3","7","2","1","3","5","1") = "6"
    & skf18("3","7","2","1","3","6","1") = "6"
    & skf18("3","7","2","1","3","7","1") = "6"
    & skf18("3","7","2","1","3","8","1") = "7"
    & skf18("3","7","2","1","3","9","1") = "8"
    & skf18("3","7","2","1","3","10","1") = "9"
    & skf18("3","7","2","1","4","1","1") = "6"
    & skf18("3","7","2","1","4","2","1") = "6"
    & skf18("3","7","2","1","4","3","1") = "6"
    & skf18("3","7","2","1","4","4","1") = "6"
    & skf18("3","7","2","1","4","5","1") = "6"
    & skf18("3","7","2","1","4","6","1") = "6"
    & skf18("3","7","2","1","4","7","1") = "6"
    & skf18("3","7","2","1","4","8","1") = "7"
    & skf18("3","7","2","1","4","9","1") = "8"
    & skf18("3","7","2","1","4","10","1") = "9"
    & skf18("3","7","2","1","5","1","1") = "6"
    & skf18("3","7","2","1","5","2","1") = "6"
    & skf18("3","7","2","1","5","3","1") = "6"
    & skf18("3","7","2","1","5","4","1") = "6"
    & skf18("3","7","2","1","5","5","1") = "6"
    & skf18("3","7","2","1","5","6","1") = "6"
    & skf18("3","7","2","1","5","7","1") = "6"
    & skf18("3","7","2","1","5","8","1") = "7"
    & skf18("3","7","2","1","5","9","1") = "8"
    & skf18("3","7","2","1","5","10","1") = "9"
    & skf18("3","7","2","1","6","1","1") = "6"
    & skf18("3","7","2","1","6","2","1") = "6"
    & skf18("3","7","2","1","6","3","1") = "6"
    & skf18("3","7","2","1","6","4","1") = "6"
    & skf18("3","7","2","1","6","5","1") = "6"
    & skf18("3","7","2","1","6","6","1") = "6"
    & skf18("3","7","2","1","6","7","1") = "6"
    & skf18("3","7","2","1","6","8","1") = "7"
    & skf18("3","7","2","1","6","9","1") = "8"
    & skf18("3","7","2","1","6","10","1") = "9"
    & skf18("3","7","2","1","7","1","1") = "6"
    & skf18("3","7","2","1","7","2","1") = "6"
    & skf18("3","7","2","1","7","3","1") = "6"
    & skf18("3","7","2","1","7","4","1") = "6"
    & skf18("3","7","2","1","7","5","1") = "6"
    & skf18("3","7","2","1","7","6","1") = "6"
    & skf18("3","7","2","1","7","7","1") = "6"
    & skf18("3","7","2","1","7","8","1") = "7"
    & skf18("3","7","2","1","7","9","1") = "8"
    & skf18("3","7","2","1","7","10","1") = "9"
    & skf18("3","7","2","1","8","1","1") = "7"
    & skf18("3","7","2","1","8","2","1") = "7"
    & skf18("3","7","2","1","8","3","1") = "7"
    & skf18("3","7","2","1","8","4","1") = "7"
    & skf18("3","7","2","1","8","5","1") = "7"
    & skf18("3","7","2","1","8","6","1") = "7"
    & skf18("3","7","2","1","8","7","1") = "7"
    & skf18("3","7","2","1","8","8","1") = "7"
    & skf18("3","7","2","1","8","9","1") = "8"
    & skf18("3","7","2","1","8","10","1") = "9"
    & skf18("3","7","2","1","9","1","1") = "8"
    & skf18("3","7","2","1","9","2","1") = "8"
    & skf18("3","7","2","1","9","3","1") = "8"
    & skf18("3","7","2","1","9","4","1") = "8"
    & skf18("3","7","2","1","9","5","1") = "8"
    & skf18("3","7","2","1","9","6","1") = "8"
    & skf18("3","7","2","1","9","7","1") = "8"
    & skf18("3","7","2","1","9","8","1") = "8"
    & skf18("3","7","2","1","9","9","1") = "8"
    & skf18("3","7","2","1","9","10","1") = "9"
    & skf18("3","7","2","1","10","1","1") = "9"
    & skf18("3","7","2","1","10","2","1") = "9"
    & skf18("3","7","2","1","10","3","1") = "9"
    & skf18("3","7","2","1","10","4","1") = "9"
    & skf18("3","7","2","1","10","5","1") = "9"
    & skf18("3","7","2","1","10","6","1") = "9"
    & skf18("3","7","2","1","10","7","1") = "9"
    & skf18("3","7","2","1","10","8","1") = "9"
    & skf18("3","7","2","1","10","9","1") = "9"
    & skf18("3","7","2","1","10","10","1") = "9"
    & skf18("3","7","2","2","1","1","1") = "6"
    & skf18("3","7","2","2","1","2","1") = "6"
    & skf18("3","7","2","2","1","3","1") = "6"
    & skf18("3","7","2","2","1","4","1") = "6"
    & skf18("3","7","2","2","1","5","1") = "6"
    & skf18("3","7","2","2","1","6","1") = "6"
    & skf18("3","7","2","2","1","7","1") = "6"
    & skf18("3","7","2","2","1","8","1") = "7"
    & skf18("3","7","2","2","1","9","1") = "8"
    & skf18("3","7","2","2","1","10","1") = "9"
    & skf18("3","7","2","2","2","1","1") = "6"
    & skf18("3","7","2","2","2","2","1") = "6"
    & skf18("3","7","2","2","2","3","1") = "6"
    & skf18("3","7","2","2","2","4","1") = "6"
    & skf18("3","7","2","2","2","5","1") = "6"
    & skf18("3","7","2","2","2","6","1") = "6"
    & skf18("3","7","2","2","2","7","1") = "6"
    & skf18("3","7","2","2","2","8","1") = "7"
    & skf18("3","7","2","2","2","9","1") = "8"
    & skf18("3","7","2","2","2","10","1") = "9"
    & skf18("3","7","2","2","3","1","1") = "6"
    & skf18("3","7","2","2","3","2","1") = "6"
    & skf18("3","7","2","2","3","3","1") = "6"
    & skf18("3","7","2","2","3","4","1") = "6"
    & skf18("3","7","2","2","3","5","1") = "6"
    & skf18("3","7","2","2","3","6","1") = "6"
    & skf18("3","7","2","2","3","7","1") = "6"
    & skf18("3","7","2","2","3","8","1") = "7"
    & skf18("3","7","2","2","3","9","1") = "8"
    & skf18("3","7","2","2","3","10","1") = "9"
    & skf18("3","7","2","2","4","1","1") = "6"
    & skf18("3","7","2","2","4","2","1") = "6"
    & skf18("3","7","2","2","4","3","1") = "6"
    & skf18("3","7","2","2","4","4","1") = "6"
    & skf18("3","7","2","2","4","5","1") = "6"
    & skf18("3","7","2","2","4","6","1") = "6"
    & skf18("3","7","2","2","4","7","1") = "6"
    & skf18("3","7","2","2","4","8","1") = "7"
    & skf18("3","7","2","2","4","9","1") = "8"
    & skf18("3","7","2","2","4","10","1") = "9"
    & skf18("3","7","2","2","5","1","1") = "6"
    & skf18("3","7","2","2","5","2","1") = "6"
    & skf18("3","7","2","2","5","3","1") = "6"
    & skf18("3","7","2","2","5","4","1") = "6"
    & skf18("3","7","2","2","5","5","1") = "6"
    & skf18("3","7","2","2","5","6","1") = "6"
    & skf18("3","7","2","2","5","7","1") = "6"
    & skf18("3","7","2","2","5","8","1") = "7"
    & skf18("3","7","2","2","5","9","1") = "8"
    & skf18("3","7","2","2","5","10","1") = "9"
    & skf18("3","7","2","2","6","1","1") = "6"
    & skf18("3","7","2","2","6","2","1") = "6"
    & skf18("3","7","2","2","6","3","1") = "6"
    & skf18("3","7","2","2","6","4","1") = "6"
    & skf18("3","7","2","2","6","5","1") = "6"
    & skf18("3","7","2","2","6","6","1") = "6"
    & skf18("3","7","2","2","6","7","1") = "6"
    & skf18("3","7","2","2","6","8","1") = "7"
    & skf18("3","7","2","2","6","9","1") = "8"
    & skf18("3","7","2","2","6","10","1") = "9"
    & skf18("3","7","2","2","7","1","1") = "6"
    & skf18("3","7","2","2","7","2","1") = "6"
    & skf18("3","7","2","2","7","3","1") = "6"
    & skf18("3","7","2","2","7","4","1") = "6"
    & skf18("3","7","2","2","7","5","1") = "6"
    & skf18("3","7","2","2","7","6","1") = "6"
    & skf18("3","7","2","2","7","7","1") = "6"
    & skf18("3","7","2","2","7","8","1") = "7"
    & skf18("3","7","2","2","7","9","1") = "8"
    & skf18("3","7","2","2","7","10","1") = "9"
    & skf18("3","7","2","2","8","1","1") = "7"
    & skf18("3","7","2","2","8","2","1") = "7"
    & skf18("3","7","2","2","8","3","1") = "7"
    & skf18("3","7","2","2","8","4","1") = "7"
    & skf18("3","7","2","2","8","5","1") = "7"
    & skf18("3","7","2","2","8","6","1") = "7"
    & skf18("3","7","2","2","8","7","1") = "7"
    & skf18("3","7","2","2","8","8","1") = "7"
    & skf18("3","7","2","2","8","9","1") = "8"
    & skf18("3","7","2","2","8","10","1") = "9"
    & skf18("3","7","2","2","9","1","1") = "8"
    & skf18("3","7","2","2","9","2","1") = "8"
    & skf18("3","7","2","2","9","3","1") = "8"
    & skf18("3","7","2","2","9","4","1") = "8"
    & skf18("3","7","2","2","9","5","1") = "8"
    & skf18("3","7","2","2","9","6","1") = "8"
    & skf18("3","7","2","2","9","7","1") = "8"
    & skf18("3","7","2","2","9","8","1") = "8"
    & skf18("3","7","2","2","9","9","1") = "8"
    & skf18("3","7","2","2","9","10","1") = "9"
    & skf18("3","7","2","2","10","1","1") = "9"
    & skf18("3","7","2","2","10","2","1") = "9"
    & skf18("3","7","2","2","10","3","1") = "9"
    & skf18("3","7","2","2","10","4","1") = "9"
    & skf18("3","7","2","2","10","5","1") = "9"
    & skf18("3","7","2","2","10","6","1") = "9"
    & skf18("3","7","2","2","10","7","1") = "9"
    & skf18("3","7","2","2","10","8","1") = "9"
    & skf18("3","7","2","2","10","9","1") = "9"
    & skf18("3","7","2","2","10","10","1") = "9"
    & skf18("3","7","2","3","1","1","1") = "6"
    & skf18("3","7","2","3","1","2","1") = "6"
    & skf18("3","7","2","3","1","3","1") = "6"
    & skf18("3","7","2","3","1","4","1") = "6"
    & skf18("3","7","2","3","1","5","1") = "6"
    & skf18("3","7","2","3","1","6","1") = "6"
    & skf18("3","7","2","3","1","7","1") = "6"
    & skf18("3","7","2","3","1","8","1") = "7"
    & skf18("3","7","2","3","1","9","1") = "8"
    & skf18("3","7","2","3","1","10","1") = "9"
    & skf18("3","7","2","3","2","1","1") = "6"
    & skf18("3","7","2","3","2","2","1") = "6"
    & skf18("3","7","2","3","2","3","1") = "6"
    & skf18("3","7","2","3","2","4","1") = "6"
    & skf18("3","7","2","3","2","5","1") = "6"
    & skf18("3","7","2","3","2","6","1") = "6"
    & skf18("3","7","2","3","2","7","1") = "6"
    & skf18("3","7","2","3","2","8","1") = "7"
    & skf18("3","7","2","3","2","9","1") = "8"
    & skf18("3","7","2","3","2","10","1") = "9"
    & skf18("3","7","2","3","3","1","1") = "6"
    & skf18("3","7","2","3","3","2","1") = "6"
    & skf18("3","7","2","3","3","3","1") = "6"
    & skf18("3","7","2","3","3","4","1") = "6"
    & skf18("3","7","2","3","3","5","1") = "6"
    & skf18("3","7","2","3","3","6","1") = "6"
    & skf18("3","7","2","3","3","7","1") = "6"
    & skf18("3","7","2","3","3","8","1") = "7"
    & skf18("3","7","2","3","3","9","1") = "8"
    & skf18("3","7","2","3","3","10","1") = "9"
    & skf18("3","7","2","3","4","1","1") = "6"
    & skf18("3","7","2","3","4","2","1") = "6"
    & skf18("3","7","2","3","4","3","1") = "6"
    & skf18("3","7","2","3","4","4","1") = "6"
    & skf18("3","7","2","3","4","5","1") = "6"
    & skf18("3","7","2","3","4","6","1") = "6"
    & skf18("3","7","2","3","4","7","1") = "6"
    & skf18("3","7","2","3","4","8","1") = "7"
    & skf18("3","7","2","3","4","9","1") = "8"
    & skf18("3","7","2","3","4","10","1") = "9"
    & skf18("3","7","2","3","5","1","1") = "6"
    & skf18("3","7","2","3","5","2","1") = "6"
    & skf18("3","7","2","3","5","3","1") = "6"
    & skf18("3","7","2","3","5","4","1") = "6"
    & skf18("3","7","2","3","5","5","1") = "6"
    & skf18("3","7","2","3","5","6","1") = "6"
    & skf18("3","7","2","3","5","7","1") = "6"
    & skf18("3","7","2","3","5","8","1") = "7"
    & skf18("3","7","2","3","5","9","1") = "8"
    & skf18("3","7","2","3","5","10","1") = "9"
    & skf18("3","7","2","3","6","1","1") = "6"
    & skf18("3","7","2","3","6","2","1") = "6"
    & skf18("3","7","2","3","6","3","1") = "6"
    & skf18("3","7","2","3","6","4","1") = "6"
    & skf18("3","7","2","3","6","5","1") = "6"
    & skf18("3","7","2","3","6","6","1") = "6"
    & skf18("3","7","2","3","6","7","1") = "6"
    & skf18("3","7","2","3","6","8","1") = "7"
    & skf18("3","7","2","3","6","9","1") = "8"
    & skf18("3","7","2","3","6","10","1") = "9"
    & skf18("3","7","2","3","7","1","1") = "6"
    & skf18("3","7","2","3","7","2","1") = "6"
    & skf18("3","7","2","3","7","3","1") = "6"
    & skf18("3","7","2","3","7","4","1") = "6"
    & skf18("3","7","2","3","7","5","1") = "6"
    & skf18("3","7","2","3","7","6","1") = "6"
    & skf18("3","7","2","3","7","7","1") = "6"
    & skf18("3","7","2","3","7","8","1") = "7"
    & skf18("3","7","2","3","7","9","1") = "8"
    & skf18("3","7","2","3","7","10","1") = "9"
    & skf18("3","7","2","3","8","1","1") = "7"
    & skf18("3","7","2","3","8","2","1") = "7"
    & skf18("3","7","2","3","8","3","1") = "7"
    & skf18("3","7","2","3","8","4","1") = "7"
    & skf18("3","7","2","3","8","5","1") = "7"
    & skf18("3","7","2","3","8","6","1") = "7"
    & skf18("3","7","2","3","8","7","1") = "7"
    & skf18("3","7","2","3","8","8","1") = "7"
    & skf18("3","7","2","3","8","9","1") = "8"
    & skf18("3","7","2","3","8","10","1") = "9"
    & skf18("3","7","2","3","9","1","1") = "8"
    & skf18("3","7","2","3","9","2","1") = "8"
    & skf18("3","7","2","3","9","3","1") = "8"
    & skf18("3","7","2","3","9","4","1") = "8"
    & skf18("3","7","2","3","9","5","1") = "8"
    & skf18("3","7","2","3","9","6","1") = "8"
    & skf18("3","7","2","3","9","7","1") = "8"
    & skf18("3","7","2","3","9","8","1") = "8"
    & skf18("3","7","2","3","9","9","1") = "8"
    & skf18("3","7","2","3","9","10","1") = "9"
    & skf18("3","7","2","3","10","1","1") = "9"
    & skf18("3","7","2","3","10","2","1") = "9"
    & skf18("3","7","2","3","10","3","1") = "9"
    & skf18("3","7","2","3","10","4","1") = "9"
    & skf18("3","7","2","3","10","5","1") = "9"
    & skf18("3","7","2","3","10","6","1") = "9"
    & skf18("3","7","2","3","10","7","1") = "9"
    & skf18("3","7","2","3","10","8","1") = "9"
    & skf18("3","7","2","3","10","9","1") = "9"
    & skf18("3","7","2","3","10","10","1") = "9"
    & skf18("3","7","2","4","1","1","1") = "6"
    & skf18("3","7","2","4","1","2","1") = "6"
    & skf18("3","7","2","4","1","3","1") = "6"
    & skf18("3","7","2","4","1","4","1") = "6"
    & skf18("3","7","2","4","1","5","1") = "6"
    & skf18("3","7","2","4","1","6","1") = "6"
    & skf18("3","7","2","4","1","7","1") = "6"
    & skf18("3","7","2","4","1","8","1") = "7"
    & skf18("3","7","2","4","1","9","1") = "8"
    & skf18("3","7","2","4","1","10","1") = "9"
    & skf18("3","7","2","4","2","1","1") = "6"
    & skf18("3","7","2","4","2","2","1") = "6"
    & skf18("3","7","2","4","2","3","1") = "6"
    & skf18("3","7","2","4","2","4","1") = "6"
    & skf18("3","7","2","4","2","5","1") = "6"
    & skf18("3","7","2","4","2","6","1") = "6"
    & skf18("3","7","2","4","2","7","1") = "6"
    & skf18("3","7","2","4","2","8","1") = "7"
    & skf18("3","7","2","4","2","9","1") = "8"
    & skf18("3","7","2","4","2","10","1") = "9"
    & skf18("3","7","2","4","3","1","1") = "6"
    & skf18("3","7","2","4","3","2","1") = "6"
    & skf18("3","7","2","4","3","3","1") = "6"
    & skf18("3","7","2","4","3","4","1") = "6"
    & skf18("3","7","2","4","3","5","1") = "6"
    & skf18("3","7","2","4","3","6","1") = "6"
    & skf18("3","7","2","4","3","7","1") = "6"
    & skf18("3","7","2","4","3","8","1") = "7"
    & skf18("3","7","2","4","3","9","1") = "8"
    & skf18("3","7","2","4","3","10","1") = "9"
    & skf18("3","7","2","4","4","1","1") = "6"
    & skf18("3","7","2","4","4","2","1") = "6"
    & skf18("3","7","2","4","4","3","1") = "6"
    & skf18("3","7","2","4","4","4","1") = "6"
    & skf18("3","7","2","4","4","5","1") = "6"
    & skf18("3","7","2","4","4","6","1") = "6"
    & skf18("3","7","2","4","4","7","1") = "6"
    & skf18("3","7","2","4","4","8","1") = "7"
    & skf18("3","7","2","4","4","9","1") = "8"
    & skf18("3","7","2","4","4","10","1") = "9"
    & skf18("3","7","2","4","5","1","1") = "6"
    & skf18("3","7","2","4","5","2","1") = "6"
    & skf18("3","7","2","4","5","3","1") = "6"
    & skf18("3","7","2","4","5","4","1") = "6"
    & skf18("3","7","2","4","5","5","1") = "6"
    & skf18("3","7","2","4","5","6","1") = "6"
    & skf18("3","7","2","4","5","7","1") = "6"
    & skf18("3","7","2","4","5","8","1") = "7"
    & skf18("3","7","2","4","5","9","1") = "8"
    & skf18("3","7","2","4","5","10","1") = "9"
    & skf18("3","7","2","4","6","1","1") = "6"
    & skf18("3","7","2","4","6","2","1") = "6"
    & skf18("3","7","2","4","6","3","1") = "6"
    & skf18("3","7","2","4","6","4","1") = "6"
    & skf18("3","7","2","4","6","5","1") = "6"
    & skf18("3","7","2","4","6","6","1") = "6"
    & skf18("3","7","2","4","6","7","1") = "6"
    & skf18("3","7","2","4","6","8","1") = "7"
    & skf18("3","7","2","4","6","9","1") = "8"
    & skf18("3","7","2","4","6","10","1") = "9"
    & skf18("3","7","2","4","7","1","1") = "6"
    & skf18("3","7","2","4","7","2","1") = "6"
    & skf18("3","7","2","4","7","3","1") = "6"
    & skf18("3","7","2","4","7","4","1") = "6"
    & skf18("3","7","2","4","7","5","1") = "6"
    & skf18("3","7","2","4","7","6","1") = "6"
    & skf18("3","7","2","4","7","7","1") = "6"
    & skf18("3","7","2","4","7","8","1") = "7"
    & skf18("3","7","2","4","7","9","1") = "8"
    & skf18("3","7","2","4","7","10","1") = "9"
    & skf18("3","7","2","4","8","1","1") = "7"
    & skf18("3","7","2","4","8","2","1") = "7"
    & skf18("3","7","2","4","8","3","1") = "7"
    & skf18("3","7","2","4","8","4","1") = "7"
    & skf18("3","7","2","4","8","5","1") = "7"
    & skf18("3","7","2","4","8","6","1") = "7"
    & skf18("3","7","2","4","8","7","1") = "7"
    & skf18("3","7","2","4","8","8","1") = "7"
    & skf18("3","7","2","4","8","9","1") = "8"
    & skf18("3","7","2","4","8","10","1") = "9"
    & skf18("3","7","2","4","9","1","1") = "8"
    & skf18("3","7","2","4","9","2","1") = "8"
    & skf18("3","7","2","4","9","3","1") = "8"
    & skf18("3","7","2","4","9","4","1") = "8"
    & skf18("3","7","2","4","9","5","1") = "8"
    & skf18("3","7","2","4","9","6","1") = "8"
    & skf18("3","7","2","4","9","7","1") = "8"
    & skf18("3","7","2","4","9","8","1") = "8"
    & skf18("3","7","2","4","9","9","1") = "8"
    & skf18("3","7","2","4","9","10","1") = "9"
    & skf18("3","7","2","4","10","1","1") = "9"
    & skf18("3","7","2","4","10","2","1") = "9"
    & skf18("3","7","2","4","10","3","1") = "9"
    & skf18("3","7","2","4","10","4","1") = "9"
    & skf18("3","7","2","4","10","5","1") = "9"
    & skf18("3","7","2","4","10","6","1") = "9"
    & skf18("3","7","2","4","10","7","1") = "9"
    & skf18("3","7","2","4","10","8","1") = "9"
    & skf18("3","7","2","4","10","9","1") = "9"
    & skf18("3","7","2","4","10","10","1") = "9"
    & skf18("3","7","2","5","1","1","1") = "6"
    & skf18("3","7","2","5","1","2","1") = "6"
    & skf18("3","7","2","5","1","3","1") = "6"
    & skf18("3","7","2","5","1","4","1") = "6"
    & skf18("3","7","2","5","1","5","1") = "6"
    & skf18("3","7","2","5","1","6","1") = "6"
    & skf18("3","7","2","5","1","7","1") = "6"
    & skf18("3","7","2","5","1","8","1") = "7"
    & skf18("3","7","2","5","1","9","1") = "8"
    & skf18("3","7","2","5","1","10","1") = "9"
    & skf18("3","7","2","5","2","1","1") = "6"
    & skf18("3","7","2","5","2","2","1") = "6"
    & skf18("3","7","2","5","2","3","1") = "6"
    & skf18("3","7","2","5","2","4","1") = "6"
    & skf18("3","7","2","5","2","5","1") = "6"
    & skf18("3","7","2","5","2","6","1") = "6"
    & skf18("3","7","2","5","2","7","1") = "6"
    & skf18("3","7","2","5","2","8","1") = "7"
    & skf18("3","7","2","5","2","9","1") = "8"
    & skf18("3","7","2","5","2","10","1") = "9"
    & skf18("3","7","2","5","3","1","1") = "6"
    & skf18("3","7","2","5","3","2","1") = "6"
    & skf18("3","7","2","5","3","3","1") = "6"
    & skf18("3","7","2","5","3","4","1") = "6"
    & skf18("3","7","2","5","3","5","1") = "6"
    & skf18("3","7","2","5","3","6","1") = "6"
    & skf18("3","7","2","5","3","7","1") = "6"
    & skf18("3","7","2","5","3","8","1") = "7"
    & skf18("3","7","2","5","3","9","1") = "8"
    & skf18("3","7","2","5","3","10","1") = "9"
    & skf18("3","7","2","5","4","1","1") = "6"
    & skf18("3","7","2","5","4","2","1") = "6"
    & skf18("3","7","2","5","4","3","1") = "6"
    & skf18("3","7","2","5","4","4","1") = "6"
    & skf18("3","7","2","5","4","5","1") = "6"
    & skf18("3","7","2","5","4","6","1") = "6"
    & skf18("3","7","2","5","4","7","1") = "6"
    & skf18("3","7","2","5","4","8","1") = "7"
    & skf18("3","7","2","5","4","9","1") = "8"
    & skf18("3","7","2","5","4","10","1") = "9"
    & skf18("3","7","2","5","5","1","1") = "6"
    & skf18("3","7","2","5","5","2","1") = "6"
    & skf18("3","7","2","5","5","3","1") = "6"
    & skf18("3","7","2","5","5","4","1") = "6"
    & skf18("3","7","2","5","5","5","1") = "6"
    & skf18("3","7","2","5","5","6","1") = "6"
    & skf18("3","7","2","5","5","7","1") = "6"
    & skf18("3","7","2","5","5","8","1") = "7"
    & skf18("3","7","2","5","5","9","1") = "8"
    & skf18("3","7","2","5","5","10","1") = "9"
    & skf18("3","7","2","5","6","1","1") = "6"
    & skf18("3","7","2","5","6","2","1") = "6"
    & skf18("3","7","2","5","6","3","1") = "6"
    & skf18("3","7","2","5","6","4","1") = "6"
    & skf18("3","7","2","5","6","5","1") = "6"
    & skf18("3","7","2","5","6","6","1") = "6"
    & skf18("3","7","2","5","6","7","1") = "6"
    & skf18("3","7","2","5","6","8","1") = "7"
    & skf18("3","7","2","5","6","9","1") = "8"
    & skf18("3","7","2","5","6","10","1") = "9"
    & skf18("3","7","2","5","7","1","1") = "6"
    & skf18("3","7","2","5","7","2","1") = "6"
    & skf18("3","7","2","5","7","3","1") = "6"
    & skf18("3","7","2","5","7","4","1") = "6"
    & skf18("3","7","2","5","7","5","1") = "6"
    & skf18("3","7","2","5","7","6","1") = "6"
    & skf18("3","7","2","5","7","7","1") = "6"
    & skf18("3","7","2","5","7","8","1") = "7"
    & skf18("3","7","2","5","7","9","1") = "8"
    & skf18("3","7","2","5","7","10","1") = "9"
    & skf18("3","7","2","5","8","1","1") = "7"
    & skf18("3","7","2","5","8","2","1") = "7"
    & skf18("3","7","2","5","8","3","1") = "7"
    & skf18("3","7","2","5","8","4","1") = "7"
    & skf18("3","7","2","5","8","5","1") = "7"
    & skf18("3","7","2","5","8","6","1") = "7"
    & skf18("3","7","2","5","8","7","1") = "7"
    & skf18("3","7","2","5","8","8","1") = "7"
    & skf18("3","7","2","5","8","9","1") = "8"
    & skf18("3","7","2","5","8","10","1") = "9"
    & skf18("3","7","2","5","9","1","1") = "8"
    & skf18("3","7","2","5","9","2","1") = "8"
    & skf18("3","7","2","5","9","3","1") = "8"
    & skf18("3","7","2","5","9","4","1") = "8"
    & skf18("3","7","2","5","9","5","1") = "8"
    & skf18("3","7","2","5","9","6","1") = "8"
    & skf18("3","7","2","5","9","7","1") = "8"
    & skf18("3","7","2","5","9","8","1") = "8"
    & skf18("3","7","2","5","9","9","1") = "8"
    & skf18("3","7","2","5","9","10","1") = "9"
    & skf18("3","7","2","5","10","1","1") = "9"
    & skf18("3","7","2","5","10","2","1") = "9"
    & skf18("3","7","2","5","10","3","1") = "9"
    & skf18("3","7","2","5","10","4","1") = "9"
    & skf18("3","7","2","5","10","5","1") = "9"
    & skf18("3","7","2","5","10","6","1") = "9"
    & skf18("3","7","2","5","10","7","1") = "9"
    & skf18("3","7","2","5","10","8","1") = "9"
    & skf18("3","7","2","5","10","9","1") = "9"
    & skf18("3","7","2","5","10","10","1") = "9"
    & skf18("3","7","2","6","1","1","1") = "6"
    & skf18("3","7","2","6","1","2","1") = "6"
    & skf18("3","7","2","6","1","3","1") = "6"
    & skf18("3","7","2","6","1","4","1") = "6"
    & skf18("3","7","2","6","1","5","1") = "6"
    & skf18("3","7","2","6","1","6","1") = "6"
    & skf18("3","7","2","6","1","7","1") = "6"
    & skf18("3","7","2","6","1","8","1") = "7"
    & skf18("3","7","2","6","1","9","1") = "8"
    & skf18("3","7","2","6","1","10","1") = "9"
    & skf18("3","7","2","6","2","1","1") = "6"
    & skf18("3","7","2","6","2","2","1") = "6"
    & skf18("3","7","2","6","2","3","1") = "6"
    & skf18("3","7","2","6","2","4","1") = "6"
    & skf18("3","7","2","6","2","5","1") = "6"
    & skf18("3","7","2","6","2","6","1") = "6"
    & skf18("3","7","2","6","2","7","1") = "6"
    & skf18("3","7","2","6","2","8","1") = "7"
    & skf18("3","7","2","6","2","9","1") = "8"
    & skf18("3","7","2","6","2","10","1") = "9"
    & skf18("3","7","2","6","3","1","1") = "6"
    & skf18("3","7","2","6","3","2","1") = "6"
    & skf18("3","7","2","6","3","3","1") = "6"
    & skf18("3","7","2","6","3","4","1") = "6"
    & skf18("3","7","2","6","3","5","1") = "6"
    & skf18("3","7","2","6","3","6","1") = "6"
    & skf18("3","7","2","6","3","7","1") = "6"
    & skf18("3","7","2","6","3","8","1") = "7"
    & skf18("3","7","2","6","3","9","1") = "8"
    & skf18("3","7","2","6","3","10","1") = "9"
    & skf18("3","7","2","6","4","1","1") = "6"
    & skf18("3","7","2","6","4","2","1") = "6"
    & skf18("3","7","2","6","4","3","1") = "6"
    & skf18("3","7","2","6","4","4","1") = "6"
    & skf18("3","7","2","6","4","5","1") = "6"
    & skf18("3","7","2","6","4","6","1") = "6"
    & skf18("3","7","2","6","4","7","1") = "6"
    & skf18("3","7","2","6","4","8","1") = "7"
    & skf18("3","7","2","6","4","9","1") = "8"
    & skf18("3","7","2","6","4","10","1") = "9"
    & skf18("3","7","2","6","5","1","1") = "6"
    & skf18("3","7","2","6","5","2","1") = "6"
    & skf18("3","7","2","6","5","3","1") = "6"
    & skf18("3","7","2","6","5","4","1") = "6"
    & skf18("3","7","2","6","5","5","1") = "6"
    & skf18("3","7","2","6","5","6","1") = "6"
    & skf18("3","7","2","6","5","7","1") = "6"
    & skf18("3","7","2","6","5","8","1") = "7"
    & skf18("3","7","2","6","5","9","1") = "8"
    & skf18("3","7","2","6","5","10","1") = "9"
    & skf18("3","7","2","6","6","1","1") = "6"
    & skf18("3","7","2","6","6","2","1") = "6"
    & skf18("3","7","2","6","6","3","1") = "6"
    & skf18("3","7","2","6","6","4","1") = "6"
    & skf18("3","7","2","6","6","5","1") = "6"
    & skf18("3","7","2","6","6","6","1") = "6"
    & skf18("3","7","2","6","6","7","1") = "6"
    & skf18("3","7","2","6","6","8","1") = "7"
    & skf18("3","7","2","6","6","9","1") = "8"
    & skf18("3","7","2","6","6","10","1") = "9"
    & skf18("3","7","2","6","7","1","1") = "6"
    & skf18("3","7","2","6","7","2","1") = "6"
    & skf18("3","7","2","6","7","3","1") = "6"
    & skf18("3","7","2","6","7","4","1") = "6"
    & skf18("3","7","2","6","7","5","1") = "6"
    & skf18("3","7","2","6","7","6","1") = "6"
    & skf18("3","7","2","6","7","7","1") = "6"
    & skf18("3","7","2","6","7","8","1") = "7"
    & skf18("3","7","2","6","7","9","1") = "8"
    & skf18("3","7","2","6","7","10","1") = "9"
    & skf18("3","7","2","6","8","1","1") = "7"
    & skf18("3","7","2","6","8","2","1") = "7"
    & skf18("3","7","2","6","8","3","1") = "7"
    & skf18("3","7","2","6","8","4","1") = "7"
    & skf18("3","7","2","6","8","5","1") = "7"
    & skf18("3","7","2","6","8","6","1") = "7"
    & skf18("3","7","2","6","8","7","1") = "7"
    & skf18("3","7","2","6","8","8","1") = "7"
    & skf18("3","7","2","6","8","9","1") = "8"
    & skf18("3","7","2","6","8","10","1") = "9"
    & skf18("3","7","2","6","9","1","1") = "8"
    & skf18("3","7","2","6","9","2","1") = "8"
    & skf18("3","7","2","6","9","3","1") = "8"
    & skf18("3","7","2","6","9","4","1") = "8"
    & skf18("3","7","2","6","9","5","1") = "8"
    & skf18("3","7","2","6","9","6","1") = "8"
    & skf18("3","7","2","6","9","7","1") = "8"
    & skf18("3","7","2","6","9","8","1") = "8"
    & skf18("3","7","2","6","9","9","1") = "8"
    & skf18("3","7","2","6","9","10","1") = "9"
    & skf18("3","7","2","6","10","1","1") = "9"
    & skf18("3","7","2","6","10","2","1") = "9"
    & skf18("3","7","2","6","10","3","1") = "9"
    & skf18("3","7","2","6","10","4","1") = "9"
    & skf18("3","7","2","6","10","5","1") = "9"
    & skf18("3","7","2","6","10","6","1") = "9"
    & skf18("3","7","2","6","10","7","1") = "9"
    & skf18("3","7","2","6","10","8","1") = "9"
    & skf18("3","7","2","6","10","9","1") = "9"
    & skf18("3","7","2","6","10","10","1") = "9"
    & skf18("3","7","2","7","1","1","1") = "6"
    & skf18("3","7","2","7","1","2","1") = "6"
    & skf18("3","7","2","7","1","3","1") = "6"
    & skf18("3","7","2","7","1","4","1") = "6"
    & skf18("3","7","2","7","1","5","1") = "6"
    & skf18("3","7","2","7","1","6","1") = "6"
    & skf18("3","7","2","7","1","7","1") = "6"
    & skf18("3","7","2","7","1","8","1") = "7"
    & skf18("3","7","2","7","1","9","1") = "8"
    & skf18("3","7","2","7","1","10","1") = "9"
    & skf18("3","7","2","7","2","1","1") = "6"
    & skf18("3","7","2","7","2","2","1") = "6"
    & skf18("3","7","2","7","2","3","1") = "6"
    & skf18("3","7","2","7","2","4","1") = "6"
    & skf18("3","7","2","7","2","5","1") = "6"
    & skf18("3","7","2","7","2","6","1") = "6"
    & skf18("3","7","2","7","2","7","1") = "6"
    & skf18("3","7","2","7","2","8","1") = "7"
    & skf18("3","7","2","7","2","9","1") = "8"
    & skf18("3","7","2","7","2","10","1") = "9"
    & skf18("3","7","2","7","3","1","1") = "6"
    & skf18("3","7","2","7","3","2","1") = "6"
    & skf18("3","7","2","7","3","3","1") = "6"
    & skf18("3","7","2","7","3","4","1") = "6"
    & skf18("3","7","2","7","3","5","1") = "6"
    & skf18("3","7","2","7","3","6","1") = "6"
    & skf18("3","7","2","7","3","7","1") = "6"
    & skf18("3","7","2","7","3","8","1") = "7"
    & skf18("3","7","2","7","3","9","1") = "8"
    & skf18("3","7","2","7","3","10","1") = "9"
    & skf18("3","7","2","7","4","1","1") = "6"
    & skf18("3","7","2","7","4","2","1") = "6"
    & skf18("3","7","2","7","4","3","1") = "6"
    & skf18("3","7","2","7","4","4","1") = "6"
    & skf18("3","7","2","7","4","5","1") = "6"
    & skf18("3","7","2","7","4","6","1") = "6"
    & skf18("3","7","2","7","4","7","1") = "6"
    & skf18("3","7","2","7","4","8","1") = "7"
    & skf18("3","7","2","7","4","9","1") = "8"
    & skf18("3","7","2","7","4","10","1") = "9"
    & skf18("3","7","2","7","5","1","1") = "6"
    & skf18("3","7","2","7","5","2","1") = "6"
    & skf18("3","7","2","7","5","3","1") = "6"
    & skf18("3","7","2","7","5","4","1") = "6"
    & skf18("3","7","2","7","5","5","1") = "6"
    & skf18("3","7","2","7","5","6","1") = "6"
    & skf18("3","7","2","7","5","7","1") = "6"
    & skf18("3","7","2","7","5","8","1") = "7"
    & skf18("3","7","2","7","5","9","1") = "8"
    & skf18("3","7","2","7","5","10","1") = "9"
    & skf18("3","7","2","7","6","1","1") = "6"
    & skf18("3","7","2","7","6","2","1") = "6"
    & skf18("3","7","2","7","6","3","1") = "6"
    & skf18("3","7","2","7","6","4","1") = "6"
    & skf18("3","7","2","7","6","5","1") = "6"
    & skf18("3","7","2","7","6","6","1") = "6"
    & skf18("3","7","2","7","6","7","1") = "6"
    & skf18("3","7","2","7","6","8","1") = "7"
    & skf18("3","7","2","7","6","9","1") = "8"
    & skf18("3","7","2","7","6","10","1") = "9"
    & skf18("3","7","2","7","7","1","1") = "6"
    & skf18("3","7","2","7","7","2","1") = "6"
    & skf18("3","7","2","7","7","3","1") = "6"
    & skf18("3","7","2","7","7","4","1") = "6"
    & skf18("3","7","2","7","7","5","1") = "6"
    & skf18("3","7","2","7","7","6","1") = "6"
    & skf18("3","7","2","7","7","7","1") = "6"
    & skf18("3","7","2","7","7","8","1") = "7"
    & skf18("3","7","2","7","7","9","1") = "8"
    & skf18("3","7","2","7","7","10","1") = "9"
    & skf18("3","7","2","7","8","1","1") = "7"
    & skf18("3","7","2","7","8","2","1") = "7"
    & skf18("3","7","2","7","8","3","1") = "7"
    & skf18("3","7","2","7","8","4","1") = "7"
    & skf18("3","7","2","7","8","5","1") = "7"
    & skf18("3","7","2","7","8","6","1") = "7"
    & skf18("3","7","2","7","8","7","1") = "7"
    & skf18("3","7","2","7","8","8","1") = "7"
    & skf18("3","7","2","7","8","9","1") = "8"
    & skf18("3","7","2","7","8","10","1") = "9"
    & skf18("3","7","2","7","9","1","1") = "8"
    & skf18("3","7","2","7","9","2","1") = "8"
    & skf18("3","7","2","7","9","3","1") = "8"
    & skf18("3","7","2","7","9","4","1") = "8"
    & skf18("3","7","2","7","9","5","1") = "8"
    & skf18("3","7","2","7","9","6","1") = "8"
    & skf18("3","7","2","7","9","7","1") = "8"
    & skf18("3","7","2","7","9","8","1") = "8"
    & skf18("3","7","2","7","9","9","1") = "8"
    & skf18("3","7","2","7","9","10","1") = "9"
    & skf18("3","7","2","7","10","1","1") = "9"
    & skf18("3","7","2","7","10","2","1") = "9"
    & skf18("3","7","2","7","10","3","1") = "9"
    & skf18("3","7","2","7","10","4","1") = "9"
    & skf18("3","7","2","7","10","5","1") = "9"
    & skf18("3","7","2","7","10","6","1") = "9"
    & skf18("3","7","2","7","10","7","1") = "9"
    & skf18("3","7","2","7","10","8","1") = "9"
    & skf18("3","7","2","7","10","9","1") = "9"
    & skf18("3","7","2","7","10","10","1") = "9"
    & skf18("3","7","2","8","1","1","1") = "7"
    & skf18("3","7","2","8","1","2","1") = "7"
    & skf18("3","7","2","8","1","3","1") = "7"
    & skf18("3","7","2","8","1","4","1") = "7"
    & skf18("3","7","2","8","1","5","1") = "7"
    & skf18("3","7","2","8","1","6","1") = "7"
    & skf18("3","7","2","8","1","7","1") = "7"
    & skf18("3","7","2","8","1","8","1") = "7"
    & skf18("3","7","2","8","1","9","1") = "8"
    & skf18("3","7","2","8","1","10","1") = "9"
    & skf18("3","7","2","8","2","1","1") = "7"
    & skf18("3","7","2","8","2","2","1") = "7"
    & skf18("3","7","2","8","2","3","1") = "7"
    & skf18("3","7","2","8","2","4","1") = "7"
    & skf18("3","7","2","8","2","5","1") = "7"
    & skf18("3","7","2","8","2","6","1") = "7"
    & skf18("3","7","2","8","2","7","1") = "7"
    & skf18("3","7","2","8","2","8","1") = "7"
    & skf18("3","7","2","8","2","9","1") = "8"
    & skf18("3","7","2","8","2","10","1") = "9"
    & skf18("3","7","2","8","3","1","1") = "7"
    & skf18("3","7","2","8","3","2","1") = "7"
    & skf18("3","7","2","8","3","3","1") = "7"
    & skf18("3","7","2","8","3","4","1") = "7"
    & skf18("3","7","2","8","3","5","1") = "7"
    & skf18("3","7","2","8","3","6","1") = "7"
    & skf18("3","7","2","8","3","7","1") = "7"
    & skf18("3","7","2","8","3","8","1") = "7"
    & skf18("3","7","2","8","3","9","1") = "8"
    & skf18("3","7","2","8","3","10","1") = "9"
    & skf18("3","7","2","8","4","1","1") = "7"
    & skf18("3","7","2","8","4","2","1") = "7"
    & skf18("3","7","2","8","4","3","1") = "7"
    & skf18("3","7","2","8","4","4","1") = "7"
    & skf18("3","7","2","8","4","5","1") = "7"
    & skf18("3","7","2","8","4","6","1") = "7"
    & skf18("3","7","2","8","4","7","1") = "7"
    & skf18("3","7","2","8","4","8","1") = "7"
    & skf18("3","7","2","8","4","9","1") = "8"
    & skf18("3","7","2","8","4","10","1") = "9"
    & skf18("3","7","2","8","5","1","1") = "7"
    & skf18("3","7","2","8","5","2","1") = "7"
    & skf18("3","7","2","8","5","3","1") = "7"
    & skf18("3","7","2","8","5","4","1") = "7"
    & skf18("3","7","2","8","5","5","1") = "7"
    & skf18("3","7","2","8","5","6","1") = "7"
    & skf18("3","7","2","8","5","7","1") = "7"
    & skf18("3","7","2","8","5","8","1") = "7"
    & skf18("3","7","2","8","5","9","1") = "8"
    & skf18("3","7","2","8","5","10","1") = "9"
    & skf18("3","7","2","8","6","1","1") = "7"
    & skf18("3","7","2","8","6","2","1") = "7"
    & skf18("3","7","2","8","6","3","1") = "7"
    & skf18("3","7","2","8","6","4","1") = "7"
    & skf18("3","7","2","8","6","5","1") = "7"
    & skf18("3","7","2","8","6","6","1") = "7"
    & skf18("3","7","2","8","6","7","1") = "7"
    & skf18("3","7","2","8","6","8","1") = "7"
    & skf18("3","7","2","8","6","9","1") = "8"
    & skf18("3","7","2","8","6","10","1") = "9"
    & skf18("3","7","2","8","7","1","1") = "7"
    & skf18("3","7","2","8","7","2","1") = "7"
    & skf18("3","7","2","8","7","3","1") = "7"
    & skf18("3","7","2","8","7","4","1") = "7"
    & skf18("3","7","2","8","7","5","1") = "7"
    & skf18("3","7","2","8","7","6","1") = "7"
    & skf18("3","7","2","8","7","7","1") = "7"
    & skf18("3","7","2","8","7","8","1") = "7"
    & skf18("3","7","2","8","7","9","1") = "8"
    & skf18("3","7","2","8","7","10","1") = "9"
    & skf18("3","7","2","8","8","1","1") = "7"
    & skf18("3","7","2","8","8","2","1") = "7"
    & skf18("3","7","2","8","8","3","1") = "7"
    & skf18("3","7","2","8","8","4","1") = "7"
    & skf18("3","7","2","8","8","5","1") = "7"
    & skf18("3","7","2","8","8","6","1") = "7"
    & skf18("3","7","2","8","8","7","1") = "7"
    & skf18("3","7","2","8","8","8","1") = "7"
    & skf18("3","7","2","8","8","9","1") = "8"
    & skf18("3","7","2","8","8","10","1") = "9"
    & skf18("3","7","2","8","9","1","1") = "8"
    & skf18("3","7","2","8","9","2","1") = "8"
    & skf18("3","7","2","8","9","3","1") = "8"
    & skf18("3","7","2","8","9","4","1") = "8"
    & skf18("3","7","2","8","9","5","1") = "8"
    & skf18("3","7","2","8","9","6","1") = "8"
    & skf18("3","7","2","8","9","7","1") = "8"
    & skf18("3","7","2","8","9","8","1") = "8"
    & skf18("3","7","2","8","9","9","1") = "8"
    & skf18("3","7","2","8","9","10","1") = "9"
    & skf18("3","7","2","8","10","1","1") = "9"
    & skf18("3","7","2","8","10","2","1") = "9"
    & skf18("3","7","2","8","10","3","1") = "9"
    & skf18("3","7","2","8","10","4","1") = "9"
    & skf18("3","7","2","8","10","5","1") = "9"
    & skf18("3","7","2","8","10","6","1") = "9"
    & skf18("3","7","2","8","10","7","1") = "9"
    & skf18("3","7","2","8","10","8","1") = "9"
    & skf18("3","7","2","8","10","9","1") = "9"
    & skf18("3","7","2","8","10","10","1") = "9"
    & skf18("3","7","2","9","1","1","1") = "8"
    & skf18("3","7","2","9","1","2","1") = "8"
    & skf18("3","7","2","9","1","3","1") = "8"
    & skf18("3","7","2","9","1","4","1") = "8"
    & skf18("3","7","2","9","1","5","1") = "8"
    & skf18("3","7","2","9","1","6","1") = "8"
    & skf18("3","7","2","9","1","7","1") = "8"
    & skf18("3","7","2","9","1","8","1") = "8"
    & skf18("3","7","2","9","1","9","1") = "8"
    & skf18("3","7","2","9","1","10","1") = "9"
    & skf18("3","7","2","9","2","1","1") = "8"
    & skf18("3","7","2","9","2","2","1") = "8"
    & skf18("3","7","2","9","2","3","1") = "8"
    & skf18("3","7","2","9","2","4","1") = "8"
    & skf18("3","7","2","9","2","5","1") = "8"
    & skf18("3","7","2","9","2","6","1") = "8"
    & skf18("3","7","2","9","2","7","1") = "8"
    & skf18("3","7","2","9","2","8","1") = "8"
    & skf18("3","7","2","9","2","9","1") = "8"
    & skf18("3","7","2","9","2","10","1") = "9"
    & skf18("3","7","2","9","3","1","1") = "8"
    & skf18("3","7","2","9","3","2","1") = "8"
    & skf18("3","7","2","9","3","3","1") = "8"
    & skf18("3","7","2","9","3","4","1") = "8"
    & skf18("3","7","2","9","3","5","1") = "8"
    & skf18("3","7","2","9","3","6","1") = "8"
    & skf18("3","7","2","9","3","7","1") = "8"
    & skf18("3","7","2","9","3","8","1") = "8"
    & skf18("3","7","2","9","3","9","1") = "8"
    & skf18("3","7","2","9","3","10","1") = "9"
    & skf18("3","7","2","9","4","1","1") = "8"
    & skf18("3","7","2","9","4","2","1") = "8"
    & skf18("3","7","2","9","4","3","1") = "8"
    & skf18("3","7","2","9","4","4","1") = "8"
    & skf18("3","7","2","9","4","5","1") = "8"
    & skf18("3","7","2","9","4","6","1") = "8"
    & skf18("3","7","2","9","4","7","1") = "8"
    & skf18("3","7","2","9","4","8","1") = "8"
    & skf18("3","7","2","9","4","9","1") = "8"
    & skf18("3","7","2","9","4","10","1") = "9"
    & skf18("3","7","2","9","5","1","1") = "8"
    & skf18("3","7","2","9","5","2","1") = "8"
    & skf18("3","7","2","9","5","3","1") = "8"
    & skf18("3","7","2","9","5","4","1") = "8"
    & skf18("3","7","2","9","5","5","1") = "8"
    & skf18("3","7","2","9","5","6","1") = "8"
    & skf18("3","7","2","9","5","7","1") = "8"
    & skf18("3","7","2","9","5","8","1") = "8"
    & skf18("3","7","2","9","5","9","1") = "8"
    & skf18("3","7","2","9","5","10","1") = "9"
    & skf18("3","7","2","9","6","1","1") = "8"
    & skf18("3","7","2","9","6","2","1") = "8"
    & skf18("3","7","2","9","6","3","1") = "8"
    & skf18("3","7","2","9","6","4","1") = "8"
    & skf18("3","7","2","9","6","5","1") = "8"
    & skf18("3","7","2","9","6","6","1") = "8"
    & skf18("3","7","2","9","6","7","1") = "8"
    & skf18("3","7","2","9","6","8","1") = "8"
    & skf18("3","7","2","9","6","9","1") = "8"
    & skf18("3","7","2","9","6","10","1") = "9"
    & skf18("3","7","2","9","7","1","1") = "8"
    & skf18("3","7","2","9","7","2","1") = "8"
    & skf18("3","7","2","9","7","3","1") = "8"
    & skf18("3","7","2","9","7","4","1") = "8"
    & skf18("3","7","2","9","7","5","1") = "8"
    & skf18("3","7","2","9","7","6","1") = "8"
    & skf18("3","7","2","9","7","7","1") = "8"
    & skf18("3","7","2","9","7","8","1") = "8"
    & skf18("3","7","2","9","7","9","1") = "8"
    & skf18("3","7","2","9","7","10","1") = "9"
    & skf18("3","7","2","9","8","1","1") = "8"
    & skf18("3","7","2","9","8","2","1") = "8"
    & skf18("3","7","2","9","8","3","1") = "8"
    & skf18("3","7","2","9","8","4","1") = "8"
    & skf18("3","7","2","9","8","5","1") = "8"
    & skf18("3","7","2","9","8","6","1") = "8"
    & skf18("3","7","2","9","8","7","1") = "8"
    & skf18("3","7","2","9","8","8","1") = "8"
    & skf18("3","7","2","9","8","9","1") = "8"
    & skf18("3","7","2","9","8","10","1") = "9"
    & skf18("3","7","2","9","9","1","1") = "8"
    & skf18("3","7","2","9","9","2","1") = "8"
    & skf18("3","7","2","9","9","3","1") = "8"
    & skf18("3","7","2","9","9","4","1") = "8"
    & skf18("3","7","2","9","9","5","1") = "8"
    & skf18("3","7","2","9","9","6","1") = "8"
    & skf18("3","7","2","9","9","7","1") = "8"
    & skf18("3","7","2","9","9","8","1") = "8"
    & skf18("3","7","2","9","9","9","1") = "8"
    & skf18("3","7","2","9","9","10","1") = "9"
    & skf18("3","7","2","9","10","1","1") = "9"
    & skf18("3","7","2","9","10","2","1") = "9"
    & skf18("3","7","2","9","10","3","1") = "9"
    & skf18("3","7","2","9","10","4","1") = "9"
    & skf18("3","7","2","9","10","5","1") = "9"
    & skf18("3","7","2","9","10","6","1") = "9"
    & skf18("3","7","2","9","10","7","1") = "9"
    & skf18("3","7","2","9","10","8","1") = "9"
    & skf18("3","7","2","9","10","9","1") = "9"
    & skf18("3","7","2","9","10","10","1") = "9"
    & skf18("3","7","2","10","1","1","1") = "9"
    & skf18("3","7","2","10","1","2","1") = "9"
    & skf18("3","7","2","10","1","3","1") = "9"
    & skf18("3","7","2","10","1","4","1") = "9"
    & skf18("3","7","2","10","1","5","1") = "9"
    & skf18("3","7","2","10","1","6","1") = "9"
    & skf18("3","7","2","10","1","7","1") = "9"
    & skf18("3","7","2","10","1","8","1") = "9"
    & skf18("3","7","2","10","1","9","1") = "9"
    & skf18("3","7","2","10","1","10","1") = "9"
    & skf18("3","7","2","10","2","1","1") = "9"
    & skf18("3","7","2","10","2","2","1") = "9"
    & skf18("3","7","2","10","2","3","1") = "9"
    & skf18("3","7","2","10","2","4","1") = "9"
    & skf18("3","7","2","10","2","5","1") = "9"
    & skf18("3","7","2","10","2","6","1") = "9"
    & skf18("3","7","2","10","2","7","1") = "9"
    & skf18("3","7","2","10","2","8","1") = "9"
    & skf18("3","7","2","10","2","9","1") = "9"
    & skf18("3","7","2","10","2","10","1") = "9"
    & skf18("3","7","2","10","3","1","1") = "9"
    & skf18("3","7","2","10","3","2","1") = "9"
    & skf18("3","7","2","10","3","3","1") = "9"
    & skf18("3","7","2","10","3","4","1") = "9"
    & skf18("3","7","2","10","3","5","1") = "9"
    & skf18("3","7","2","10","3","6","1") = "9"
    & skf18("3","7","2","10","3","7","1") = "9"
    & skf18("3","7","2","10","3","8","1") = "9"
    & skf18("3","7","2","10","3","9","1") = "9"
    & skf18("3","7","2","10","3","10","1") = "9"
    & skf18("3","7","2","10","4","1","1") = "9"
    & skf18("3","7","2","10","4","2","1") = "9"
    & skf18("3","7","2","10","4","3","1") = "9"
    & skf18("3","7","2","10","4","4","1") = "9"
    & skf18("3","7","2","10","4","5","1") = "9"
    & skf18("3","7","2","10","4","6","1") = "9"
    & skf18("3","7","2","10","4","7","1") = "9"
    & skf18("3","7","2","10","4","8","1") = "9"
    & skf18("3","7","2","10","4","9","1") = "9"
    & skf18("3","7","2","10","4","10","1") = "9"
    & skf18("3","7","2","10","5","1","1") = "9"
    & skf18("3","7","2","10","5","2","1") = "9"
    & skf18("3","7","2","10","5","3","1") = "9"
    & skf18("3","7","2","10","5","4","1") = "9"
    & skf18("3","7","2","10","5","5","1") = "9"
    & skf18("3","7","2","10","5","6","1") = "9"
    & skf18("3","7","2","10","5","7","1") = "9"
    & skf18("3","7","2","10","5","8","1") = "9"
    & skf18("3","7","2","10","5","9","1") = "9"
    & skf18("3","7","2","10","5","10","1") = "9"
    & skf18("3","7","2","10","6","1","1") = "9"
    & skf18("3","7","2","10","6","2","1") = "9"
    & skf18("3","7","2","10","6","3","1") = "9"
    & skf18("3","7","2","10","6","4","1") = "9"
    & skf18("3","7","2","10","6","5","1") = "9"
    & skf18("3","7","2","10","6","6","1") = "9"
    & skf18("3","7","2","10","6","7","1") = "9"
    & skf18("3","7","2","10","6","8","1") = "9"
    & skf18("3","7","2","10","6","9","1") = "9"
    & skf18("3","7","2","10","6","10","1") = "9"
    & skf18("3","7","2","10","7","1","1") = "9"
    & skf18("3","7","2","10","7","2","1") = "9"
    & skf18("3","7","2","10","7","3","1") = "9"
    & skf18("3","7","2","10","7","4","1") = "9"
    & skf18("3","7","2","10","7","5","1") = "9"
    & skf18("3","7","2","10","7","6","1") = "9"
    & skf18("3","7","2","10","7","7","1") = "9"
    & skf18("3","7","2","10","7","8","1") = "9"
    & skf18("3","7","2","10","7","9","1") = "9"
    & skf18("3","7","2","10","7","10","1") = "9"
    & skf18("3","7","2","10","8","1","1") = "9"
    & skf18("3","7","2","10","8","2","1") = "9"
    & skf18("3","7","2","10","8","3","1") = "9"
    & skf18("3","7","2","10","8","4","1") = "9"
    & skf18("3","7","2","10","8","5","1") = "9"
    & skf18("3","7","2","10","8","6","1") = "9"
    & skf18("3","7","2","10","8","7","1") = "9"
    & skf18("3","7","2","10","8","8","1") = "9"
    & skf18("3","7","2","10","8","9","1") = "9"
    & skf18("3","7","2","10","8","10","1") = "9"
    & skf18("3","7","2","10","9","1","1") = "9"
    & skf18("3","7","2","10","9","2","1") = "9"
    & skf18("3","7","2","10","9","3","1") = "9"
    & skf18("3","7","2","10","9","4","1") = "9"
    & skf18("3","7","2","10","9","5","1") = "9"
    & skf18("3","7","2","10","9","6","1") = "9"
    & skf18("3","7","2","10","9","7","1") = "9"
    & skf18("3","7","2","10","9","8","1") = "9"
    & skf18("3","7","2","10","9","9","1") = "9"
    & skf18("3","7","2","10","9","10","1") = "9"
    & skf18("3","7","2","10","10","1","1") = "9"
    & skf18("3","7","2","10","10","2","1") = "9"
    & skf18("3","7","2","10","10","3","1") = "9"
    & skf18("3","7","2","10","10","4","1") = "9"
    & skf18("3","7","2","10","10","5","1") = "9"
    & skf18("3","7","2","10","10","6","1") = "9"
    & skf18("3","7","2","10","10","7","1") = "9"
    & skf18("3","7","2","10","10","8","1") = "9"
    & skf18("3","7","2","10","10","9","1") = "9"
    & skf18("3","7","2","10","10","10","1") = "9"
    & skf18("3","7","3","1","1","1","1") = "6"
    & skf18("3","7","3","1","1","2","1") = "6"
    & skf18("3","7","3","1","1","3","1") = "6"
    & skf18("3","7","3","1","1","4","1") = "6"
    & skf18("3","7","3","1","1","5","1") = "6"
    & skf18("3","7","3","1","1","6","1") = "6"
    & skf18("3","7","3","1","1","7","1") = "6"
    & skf18("3","7","3","1","1","8","1") = "7"
    & skf18("3","7","3","1","1","9","1") = "8"
    & skf18("3","7","3","1","1","10","1") = "9"
    & skf18("3","7","3","1","2","1","1") = "6"
    & skf18("3","7","3","1","2","2","1") = "6"
    & skf18("3","7","3","1","2","3","1") = "6"
    & skf18("3","7","3","1","2","4","1") = "6"
    & skf18("3","7","3","1","2","5","1") = "6"
    & skf18("3","7","3","1","2","6","1") = "6"
    & skf18("3","7","3","1","2","7","1") = "6"
    & skf18("3","7","3","1","2","8","1") = "7"
    & skf18("3","7","3","1","2","9","1") = "8"
    & skf18("3","7","3","1","2","10","1") = "9"
    & skf18("3","7","3","1","3","1","1") = "6"
    & skf18("3","7","3","1","3","2","1") = "6"
    & skf18("3","7","3","1","3","3","1") = "6"
    & skf18("3","7","3","1","3","4","1") = "6"
    & skf18("3","7","3","1","3","5","1") = "6"
    & skf18("3","7","3","1","3","6","1") = "6"
    & skf18("3","7","3","1","3","7","1") = "6"
    & skf18("3","7","3","1","3","8","1") = "7"
    & skf18("3","7","3","1","3","9","1") = "8"
    & skf18("3","7","3","1","3","10","1") = "9"
    & skf18("3","7","3","1","4","1","1") = "6"
    & skf18("3","7","3","1","4","2","1") = "6"
    & skf18("3","7","3","1","4","3","1") = "6"
    & skf18("3","7","3","1","4","4","1") = "6"
    & skf18("3","7","3","1","4","5","1") = "6"
    & skf18("3","7","3","1","4","6","1") = "6"
    & skf18("3","7","3","1","4","7","1") = "6"
    & skf18("3","7","3","1","4","8","1") = "7"
    & skf18("3","7","3","1","4","9","1") = "8"
    & skf18("3","7","3","1","4","10","1") = "9"
    & skf18("3","7","3","1","5","1","1") = "6"
    & skf18("3","7","3","1","5","2","1") = "6"
    & skf18("3","7","3","1","5","3","1") = "6"
    & skf18("3","7","3","1","5","4","1") = "6"
    & skf18("3","7","3","1","5","5","1") = "6"
    & skf18("3","7","3","1","5","6","1") = "6"
    & skf18("3","7","3","1","5","7","1") = "6"
    & skf18("3","7","3","1","5","8","1") = "7"
    & skf18("3","7","3","1","5","9","1") = "8"
    & skf18("3","7","3","1","5","10","1") = "9"
    & skf18("3","7","3","1","6","1","1") = "6"
    & skf18("3","7","3","1","6","2","1") = "6"
    & skf18("3","7","3","1","6","3","1") = "6"
    & skf18("3","7","3","1","6","4","1") = "6"
    & skf18("3","7","3","1","6","5","1") = "6"
    & skf18("3","7","3","1","6","6","1") = "6"
    & skf18("3","7","3","1","6","7","1") = "6"
    & skf18("3","7","3","1","6","8","1") = "7"
    & skf18("3","7","3","1","6","9","1") = "8"
    & skf18("3","7","3","1","6","10","1") = "9"
    & skf18("3","7","3","1","7","1","1") = "6"
    & skf18("3","7","3","1","7","2","1") = "6"
    & skf18("3","7","3","1","7","3","1") = "6"
    & skf18("3","7","3","1","7","4","1") = "6"
    & skf18("3","7","3","1","7","5","1") = "6"
    & skf18("3","7","3","1","7","6","1") = "6"
    & skf18("3","7","3","1","7","7","1") = "6"
    & skf18("3","7","3","1","7","8","1") = "7"
    & skf18("3","7","3","1","7","9","1") = "8"
    & skf18("3","7","3","1","7","10","1") = "9"
    & skf18("3","7","3","1","8","1","1") = "7"
    & skf18("3","7","3","1","8","2","1") = "7"
    & skf18("3","7","3","1","8","3","1") = "7"
    & skf18("3","7","3","1","8","4","1") = "7"
    & skf18("3","7","3","1","8","5","1") = "7"
    & skf18("3","7","3","1","8","6","1") = "7"
    & skf18("3","7","3","1","8","7","1") = "7"
    & skf18("3","7","3","1","8","8","1") = "7"
    & skf18("3","7","3","1","8","9","1") = "8"
    & skf18("3","7","3","1","8","10","1") = "9"
    & skf18("3","7","3","1","9","1","1") = "8"
    & skf18("3","7","3","1","9","2","1") = "8"
    & skf18("3","7","3","1","9","3","1") = "8"
    & skf18("3","7","3","1","9","4","1") = "8"
    & skf18("3","7","3","1","9","5","1") = "8"
    & skf18("3","7","3","1","9","6","1") = "8"
    & skf18("3","7","3","1","9","7","1") = "8"
    & skf18("3","7","3","1","9","8","1") = "8"
    & skf18("3","7","3","1","9","9","1") = "8"
    & skf18("3","7","3","1","9","10","1") = "9"
    & skf18("3","7","3","1","10","1","1") = "9"
    & skf18("3","7","3","1","10","2","1") = "9"
    & skf18("3","7","3","1","10","3","1") = "9"
    & skf18("3","7","3","1","10","4","1") = "9"
    & skf18("3","7","3","1","10","5","1") = "9"
    & skf18("3","7","3","1","10","6","1") = "9"
    & skf18("3","7","3","1","10","7","1") = "9"
    & skf18("3","7","3","1","10","8","1") = "9"
    & skf18("3","7","3","1","10","9","1") = "9"
    & skf18("3","7","3","1","10","10","1") = "9"
    & skf18("3","7","3","2","1","1","1") = "6"
    & skf18("3","7","3","2","1","2","1") = "6"
    & skf18("3","7","3","2","1","3","1") = "6"
    & skf18("3","7","3","2","1","4","1") = "6"
    & skf18("3","7","3","2","1","5","1") = "6"
    & skf18("3","7","3","2","1","6","1") = "6"
    & skf18("3","7","3","2","1","7","1") = "6"
    & skf18("3","7","3","2","1","8","1") = "7"
    & skf18("3","7","3","2","1","9","1") = "8"
    & skf18("3","7","3","2","1","10","1") = "9"
    & skf18("3","7","3","2","2","1","1") = "6"
    & skf18("3","7","3","2","2","2","1") = "6"
    & skf18("3","7","3","2","2","3","1") = "6"
    & skf18("3","7","3","2","2","4","1") = "6"
    & skf18("3","7","3","2","2","5","1") = "6"
    & skf18("3","7","3","2","2","6","1") = "6"
    & skf18("3","7","3","2","2","7","1") = "6"
    & skf18("3","7","3","2","2","8","1") = "7"
    & skf18("3","7","3","2","2","9","1") = "8"
    & skf18("3","7","3","2","2","10","1") = "9"
    & skf18("3","7","3","2","3","1","1") = "6"
    & skf18("3","7","3","2","3","2","1") = "6"
    & skf18("3","7","3","2","3","3","1") = "6"
    & skf18("3","7","3","2","3","4","1") = "6"
    & skf18("3","7","3","2","3","5","1") = "6"
    & skf18("3","7","3","2","3","6","1") = "6"
    & skf18("3","7","3","2","3","7","1") = "6"
    & skf18("3","7","3","2","3","8","1") = "7"
    & skf18("3","7","3","2","3","9","1") = "8"
    & skf18("3","7","3","2","3","10","1") = "9"
    & skf18("3","7","3","2","4","1","1") = "6"
    & skf18("3","7","3","2","4","2","1") = "6"
    & skf18("3","7","3","2","4","3","1") = "6"
    & skf18("3","7","3","2","4","4","1") = "6"
    & skf18("3","7","3","2","4","5","1") = "6"
    & skf18("3","7","3","2","4","6","1") = "6"
    & skf18("3","7","3","2","4","7","1") = "6"
    & skf18("3","7","3","2","4","8","1") = "7"
    & skf18("3","7","3","2","4","9","1") = "8"
    & skf18("3","7","3","2","4","10","1") = "9"
    & skf18("3","7","3","2","5","1","1") = "6"
    & skf18("3","7","3","2","5","2","1") = "6"
    & skf18("3","7","3","2","5","3","1") = "6"
    & skf18("3","7","3","2","5","4","1") = "6"
    & skf18("3","7","3","2","5","5","1") = "6"
    & skf18("3","7","3","2","5","6","1") = "6"
    & skf18("3","7","3","2","5","7","1") = "6"
    & skf18("3","7","3","2","5","8","1") = "7"
    & skf18("3","7","3","2","5","9","1") = "8"
    & skf18("3","7","3","2","5","10","1") = "9"
    & skf18("3","7","3","2","6","1","1") = "6"
    & skf18("3","7","3","2","6","2","1") = "6"
    & skf18("3","7","3","2","6","3","1") = "6"
    & skf18("3","7","3","2","6","4","1") = "6"
    & skf18("3","7","3","2","6","5","1") = "6"
    & skf18("3","7","3","2","6","6","1") = "6"
    & skf18("3","7","3","2","6","7","1") = "6"
    & skf18("3","7","3","2","6","8","1") = "7"
    & skf18("3","7","3","2","6","9","1") = "8"
    & skf18("3","7","3","2","6","10","1") = "9"
    & skf18("3","7","3","2","7","1","1") = "6"
    & skf18("3","7","3","2","7","2","1") = "6"
    & skf18("3","7","3","2","7","3","1") = "6"
    & skf18("3","7","3","2","7","4","1") = "6"
    & skf18("3","7","3","2","7","5","1") = "6"
    & skf18("3","7","3","2","7","6","1") = "6"
    & skf18("3","7","3","2","7","7","1") = "6"
    & skf18("3","7","3","2","7","8","1") = "7"
    & skf18("3","7","3","2","7","9","1") = "8"
    & skf18("3","7","3","2","7","10","1") = "9"
    & skf18("3","7","3","2","8","1","1") = "7"
    & skf18("3","7","3","2","8","2","1") = "7"
    & skf18("3","7","3","2","8","3","1") = "7"
    & skf18("3","7","3","2","8","4","1") = "7"
    & skf18("3","7","3","2","8","5","1") = "7"
    & skf18("3","7","3","2","8","6","1") = "7"
    & skf18("3","7","3","2","8","7","1") = "7"
    & skf18("3","7","3","2","8","8","1") = "7"
    & skf18("3","7","3","2","8","9","1") = "8"
    & skf18("3","7","3","2","8","10","1") = "9"
    & skf18("3","7","3","2","9","1","1") = "8"
    & skf18("3","7","3","2","9","2","1") = "8"
    & skf18("3","7","3","2","9","3","1") = "8"
    & skf18("3","7","3","2","9","4","1") = "8"
    & skf18("3","7","3","2","9","5","1") = "8"
    & skf18("3","7","3","2","9","6","1") = "8"
    & skf18("3","7","3","2","9","7","1") = "8"
    & skf18("3","7","3","2","9","8","1") = "8"
    & skf18("3","7","3","2","9","9","1") = "8"
    & skf18("3","7","3","2","9","10","1") = "9"
    & skf18("3","7","3","2","10","1","1") = "9"
    & skf18("3","7","3","2","10","2","1") = "9"
    & skf18("3","7","3","2","10","3","1") = "9"
    & skf18("3","7","3","2","10","4","1") = "9"
    & skf18("3","7","3","2","10","5","1") = "9"
    & skf18("3","7","3","2","10","6","1") = "9"
    & skf18("3","7","3","2","10","7","1") = "9"
    & skf18("3","7","3","2","10","8","1") = "9"
    & skf18("3","7","3","2","10","9","1") = "9"
    & skf18("3","7","3","2","10","10","1") = "9"
    & skf18("3","7","3","3","1","1","1") = "6"
    & skf18("3","7","3","3","1","2","1") = "6"
    & skf18("3","7","3","3","1","3","1") = "6"
    & skf18("3","7","3","3","1","4","1") = "6"
    & skf18("3","7","3","3","1","5","1") = "6"
    & skf18("3","7","3","3","1","6","1") = "6"
    & skf18("3","7","3","3","1","7","1") = "6"
    & skf18("3","7","3","3","1","8","1") = "7"
    & skf18("3","7","3","3","1","9","1") = "8"
    & skf18("3","7","3","3","1","10","1") = "9"
    & skf18("3","7","3","3","2","1","1") = "6"
    & skf18("3","7","3","3","2","2","1") = "6"
    & skf18("3","7","3","3","2","3","1") = "6"
    & skf18("3","7","3","3","2","4","1") = "6"
    & skf18("3","7","3","3","2","5","1") = "6"
    & skf18("3","7","3","3","2","6","1") = "6"
    & skf18("3","7","3","3","2","7","1") = "6"
    & skf18("3","7","3","3","2","8","1") = "7"
    & skf18("3","7","3","3","2","9","1") = "8"
    & skf18("3","7","3","3","2","10","1") = "9"
    & skf18("3","7","3","3","3","1","1") = "6"
    & skf18("3","7","3","3","3","2","1") = "6"
    & skf18("3","7","3","3","3","3","1") = "6"
    & skf18("3","7","3","3","3","4","1") = "6"
    & skf18("3","7","3","3","3","5","1") = "6"
    & skf18("3","7","3","3","3","6","1") = "6"
    & skf18("3","7","3","3","3","7","1") = "6"
    & skf18("3","7","3","3","3","8","1") = "7"
    & skf18("3","7","3","3","3","9","1") = "8"
    & skf18("3","7","3","3","3","10","1") = "9"
    & skf18("3","7","3","3","4","1","1") = "6"
    & skf18("3","7","3","3","4","2","1") = "6"
    & skf18("3","7","3","3","4","3","1") = "6"
    & skf18("3","7","3","3","4","4","1") = "6"
    & skf18("3","7","3","3","4","5","1") = "6"
    & skf18("3","7","3","3","4","6","1") = "6"
    & skf18("3","7","3","3","4","7","1") = "6"
    & skf18("3","7","3","3","4","8","1") = "7"
    & skf18("3","7","3","3","4","9","1") = "8"
    & skf18("3","7","3","3","4","10","1") = "9"
    & skf18("3","7","3","3","5","1","1") = "6"
    & skf18("3","7","3","3","5","2","1") = "6"
    & skf18("3","7","3","3","5","3","1") = "6"
    & skf18("3","7","3","3","5","4","1") = "6"
    & skf18("3","7","3","3","5","5","1") = "6"
    & skf18("3","7","3","3","5","6","1") = "6"
    & skf18("3","7","3","3","5","7","1") = "6"
    & skf18("3","7","3","3","5","8","1") = "7"
    & skf18("3","7","3","3","5","9","1") = "8"
    & skf18("3","7","3","3","5","10","1") = "9"
    & skf18("3","7","3","3","6","1","1") = "6"
    & skf18("3","7","3","3","6","2","1") = "6"
    & skf18("3","7","3","3","6","3","1") = "6"
    & skf18("3","7","3","3","6","4","1") = "6"
    & skf18("3","7","3","3","6","5","1") = "6"
    & skf18("3","7","3","3","6","6","1") = "6"
    & skf18("3","7","3","3","6","7","1") = "6"
    & skf18("3","7","3","3","6","8","1") = "7"
    & skf18("3","7","3","3","6","9","1") = "8"
    & skf18("3","7","3","3","6","10","1") = "9"
    & skf18("3","7","3","3","7","1","1") = "6"
    & skf18("3","7","3","3","7","2","1") = "6"
    & skf18("3","7","3","3","7","3","1") = "6"
    & skf18("3","7","3","3","7","4","1") = "6"
    & skf18("3","7","3","3","7","5","1") = "6"
    & skf18("3","7","3","3","7","6","1") = "6"
    & skf18("3","7","3","3","7","7","1") = "6"
    & skf18("3","7","3","3","7","8","1") = "7"
    & skf18("3","7","3","3","7","9","1") = "8"
    & skf18("3","7","3","3","7","10","1") = "9"
    & skf18("3","7","3","3","8","1","1") = "7"
    & skf18("3","7","3","3","8","2","1") = "7"
    & skf18("3","7","3","3","8","3","1") = "7"
    & skf18("3","7","3","3","8","4","1") = "7"
    & skf18("3","7","3","3","8","5","1") = "7"
    & skf18("3","7","3","3","8","6","1") = "7"
    & skf18("3","7","3","3","8","7","1") = "7"
    & skf18("3","7","3","3","8","8","1") = "7"
    & skf18("3","7","3","3","8","9","1") = "8"
    & skf18("3","7","3","3","8","10","1") = "9"
    & skf18("3","7","3","3","9","1","1") = "8"
    & skf18("3","7","3","3","9","2","1") = "8"
    & skf18("3","7","3","3","9","3","1") = "8"
    & skf18("3","7","3","3","9","4","1") = "8"
    & skf18("3","7","3","3","9","5","1") = "8"
    & skf18("3","7","3","3","9","6","1") = "8"
    & skf18("3","7","3","3","9","7","1") = "8"
    & skf18("3","7","3","3","9","8","1") = "8"
    & skf18("3","7","3","3","9","9","1") = "8"
    & skf18("3","7","3","3","9","10","1") = "9"
    & skf18("3","7","3","3","10","1","1") = "9"
    & skf18("3","7","3","3","10","2","1") = "9"
    & skf18("3","7","3","3","10","3","1") = "9"
    & skf18("3","7","3","3","10","4","1") = "9"
    & skf18("3","7","3","3","10","5","1") = "9"
    & skf18("3","7","3","3","10","6","1") = "9"
    & skf18("3","7","3","3","10","7","1") = "9"
    & skf18("3","7","3","3","10","8","1") = "9"
    & skf18("3","7","3","3","10","9","1") = "9"
    & skf18("3","7","3","3","10","10","1") = "9"
    & skf18("3","7","3","4","1","1","1") = "6"
    & skf18("3","7","3","4","1","2","1") = "6"
    & skf18("3","7","3","4","1","3","1") = "6"
    & skf18("3","7","3","4","1","4","1") = "6"
    & skf18("3","7","3","4","1","5","1") = "6"
    & skf18("3","7","3","4","1","6","1") = "6"
    & skf18("3","7","3","4","1","7","1") = "6"
    & skf18("3","7","3","4","1","8","1") = "7"
    & skf18("3","7","3","4","1","9","1") = "8"
    & skf18("3","7","3","4","1","10","1") = "9"
    & skf18("3","7","3","4","2","1","1") = "6"
    & skf18("3","7","3","4","2","2","1") = "6"
    & skf18("3","7","3","4","2","3","1") = "6"
    & skf18("3","7","3","4","2","4","1") = "6"
    & skf18("3","7","3","4","2","5","1") = "6"
    & skf18("3","7","3","4","2","6","1") = "6"
    & skf18("3","7","3","4","2","7","1") = "6"
    & skf18("3","7","3","4","2","8","1") = "7"
    & skf18("3","7","3","4","2","9","1") = "8"
    & skf18("3","7","3","4","2","10","1") = "9"
    & skf18("3","7","3","4","3","1","1") = "6"
    & skf18("3","7","3","4","3","2","1") = "6"
    & skf18("3","7","3","4","3","3","1") = "6"
    & skf18("3","7","3","4","3","4","1") = "6"
    & skf18("3","7","3","4","3","5","1") = "6"
    & skf18("3","7","3","4","3","6","1") = "6"
    & skf18("3","7","3","4","3","7","1") = "6"
    & skf18("3","7","3","4","3","8","1") = "7"
    & skf18("3","7","3","4","3","9","1") = "8"
    & skf18("3","7","3","4","3","10","1") = "9"
    & skf18("3","7","3","4","4","1","1") = "6"
    & skf18("3","7","3","4","4","2","1") = "6"
    & skf18("3","7","3","4","4","3","1") = "6"
    & skf18("3","7","3","4","4","4","1") = "6"
    & skf18("3","7","3","4","4","5","1") = "6"
    & skf18("3","7","3","4","4","6","1") = "6"
    & skf18("3","7","3","4","4","7","1") = "6"
    & skf18("3","7","3","4","4","8","1") = "7"
    & skf18("3","7","3","4","4","9","1") = "8"
    & skf18("3","7","3","4","4","10","1") = "9"
    & skf18("3","7","3","4","5","1","1") = "6"
    & skf18("3","7","3","4","5","2","1") = "6"
    & skf18("3","7","3","4","5","3","1") = "6"
    & skf18("3","7","3","4","5","4","1") = "6"
    & skf18("3","7","3","4","5","5","1") = "6"
    & skf18("3","7","3","4","5","6","1") = "6"
    & skf18("3","7","3","4","5","7","1") = "6"
    & skf18("3","7","3","4","5","8","1") = "7"
    & skf18("3","7","3","4","5","9","1") = "8"
    & skf18("3","7","3","4","5","10","1") = "9"
    & skf18("3","7","3","4","6","1","1") = "6"
    & skf18("3","7","3","4","6","2","1") = "6"
    & skf18("3","7","3","4","6","3","1") = "6"
    & skf18("3","7","3","4","6","4","1") = "6"
    & skf18("3","7","3","4","6","5","1") = "6"
    & skf18("3","7","3","4","6","6","1") = "6"
    & skf18("3","7","3","4","6","7","1") = "6"
    & skf18("3","7","3","4","6","8","1") = "7"
    & skf18("3","7","3","4","6","9","1") = "8"
    & skf18("3","7","3","4","6","10","1") = "9"
    & skf18("3","7","3","4","7","1","1") = "6"
    & skf18("3","7","3","4","7","2","1") = "6"
    & skf18("3","7","3","4","7","3","1") = "6"
    & skf18("3","7","3","4","7","4","1") = "6"
    & skf18("3","7","3","4","7","5","1") = "6"
    & skf18("3","7","3","4","7","6","1") = "6"
    & skf18("3","7","3","4","7","7","1") = "6"
    & skf18("3","7","3","4","7","8","1") = "7"
    & skf18("3","7","3","4","7","9","1") = "8"
    & skf18("3","7","3","4","7","10","1") = "9"
    & skf18("3","7","3","4","8","1","1") = "7"
    & skf18("3","7","3","4","8","2","1") = "7"
    & skf18("3","7","3","4","8","3","1") = "7"
    & skf18("3","7","3","4","8","4","1") = "7"
    & skf18("3","7","3","4","8","5","1") = "7"
    & skf18("3","7","3","4","8","6","1") = "7"
    & skf18("3","7","3","4","8","7","1") = "7"
    & skf18("3","7","3","4","8","8","1") = "7"
    & skf18("3","7","3","4","8","9","1") = "8"
    & skf18("3","7","3","4","8","10","1") = "9"
    & skf18("3","7","3","4","9","1","1") = "8"
    & skf18("3","7","3","4","9","2","1") = "8"
    & skf18("3","7","3","4","9","3","1") = "8"
    & skf18("3","7","3","4","9","4","1") = "8"
    & skf18("3","7","3","4","9","5","1") = "8"
    & skf18("3","7","3","4","9","6","1") = "8"
    & skf18("3","7","3","4","9","7","1") = "8"
    & skf18("3","7","3","4","9","8","1") = "8"
    & skf18("3","7","3","4","9","9","1") = "8"
    & skf18("3","7","3","4","9","10","1") = "9"
    & skf18("3","7","3","4","10","1","1") = "9"
    & skf18("3","7","3","4","10","2","1") = "9"
    & skf18("3","7","3","4","10","3","1") = "9"
    & skf18("3","7","3","4","10","4","1") = "9"
    & skf18("3","7","3","4","10","5","1") = "9"
    & skf18("3","7","3","4","10","6","1") = "9"
    & skf18("3","7","3","4","10","7","1") = "9"
    & skf18("3","7","3","4","10","8","1") = "9"
    & skf18("3","7","3","4","10","9","1") = "9"
    & skf18("3","7","3","4","10","10","1") = "9"
    & skf18("3","7","3","5","1","1","1") = "6"
    & skf18("3","7","3","5","1","2","1") = "6"
    & skf18("3","7","3","5","1","3","1") = "6"
    & skf18("3","7","3","5","1","4","1") = "6"
    & skf18("3","7","3","5","1","5","1") = "6"
    & skf18("3","7","3","5","1","6","1") = "6"
    & skf18("3","7","3","5","1","7","1") = "6"
    & skf18("3","7","3","5","1","8","1") = "7"
    & skf18("3","7","3","5","1","9","1") = "8"
    & skf18("3","7","3","5","1","10","1") = "9"
    & skf18("3","7","3","5","2","1","1") = "6"
    & skf18("3","7","3","5","2","2","1") = "6"
    & skf18("3","7","3","5","2","3","1") = "6"
    & skf18("3","7","3","5","2","4","1") = "6"
    & skf18("3","7","3","5","2","5","1") = "6"
    & skf18("3","7","3","5","2","6","1") = "6"
    & skf18("3","7","3","5","2","7","1") = "6"
    & skf18("3","7","3","5","2","8","1") = "7"
    & skf18("3","7","3","5","2","9","1") = "8"
    & skf18("3","7","3","5","2","10","1") = "9"
    & skf18("3","7","3","5","3","1","1") = "6"
    & skf18("3","7","3","5","3","2","1") = "6"
    & skf18("3","7","3","5","3","3","1") = "6"
    & skf18("3","7","3","5","3","4","1") = "6"
    & skf18("3","7","3","5","3","5","1") = "6"
    & skf18("3","7","3","5","3","6","1") = "6"
    & skf18("3","7","3","5","3","7","1") = "6"
    & skf18("3","7","3","5","3","8","1") = "7"
    & skf18("3","7","3","5","3","9","1") = "8"
    & skf18("3","7","3","5","3","10","1") = "9"
    & skf18("3","7","3","5","4","1","1") = "6"
    & skf18("3","7","3","5","4","2","1") = "6"
    & skf18("3","7","3","5","4","3","1") = "6"
    & skf18("3","7","3","5","4","4","1") = "6"
    & skf18("3","7","3","5","4","5","1") = "6"
    & skf18("3","7","3","5","4","6","1") = "6"
    & skf18("3","7","3","5","4","7","1") = "6"
    & skf18("3","7","3","5","4","8","1") = "7"
    & skf18("3","7","3","5","4","9","1") = "8"
    & skf18("3","7","3","5","4","10","1") = "9"
    & skf18("3","7","3","5","5","1","1") = "6"
    & skf18("3","7","3","5","5","2","1") = "6"
    & skf18("3","7","3","5","5","3","1") = "6"
    & skf18("3","7","3","5","5","4","1") = "6"
    & skf18("3","7","3","5","5","5","1") = "6"
    & skf18("3","7","3","5","5","6","1") = "6"
    & skf18("3","7","3","5","5","7","1") = "6"
    & skf18("3","7","3","5","5","8","1") = "7"
    & skf18("3","7","3","5","5","9","1") = "8"
    & skf18("3","7","3","5","5","10","1") = "9"
    & skf18("3","7","3","5","6","1","1") = "6"
    & skf18("3","7","3","5","6","2","1") = "6"
    & skf18("3","7","3","5","6","3","1") = "6"
    & skf18("3","7","3","5","6","4","1") = "6"
    & skf18("3","7","3","5","6","5","1") = "6"
    & skf18("3","7","3","5","6","6","1") = "6"
    & skf18("3","7","3","5","6","7","1") = "6"
    & skf18("3","7","3","5","6","8","1") = "7"
    & skf18("3","7","3","5","6","9","1") = "8"
    & skf18("3","7","3","5","6","10","1") = "9"
    & skf18("3","7","3","5","7","1","1") = "6"
    & skf18("3","7","3","5","7","2","1") = "6"
    & skf18("3","7","3","5","7","3","1") = "6"
    & skf18("3","7","3","5","7","4","1") = "6"
    & skf18("3","7","3","5","7","5","1") = "6"
    & skf18("3","7","3","5","7","6","1") = "6"
    & skf18("3","7","3","5","7","7","1") = "6"
    & skf18("3","7","3","5","7","8","1") = "7"
    & skf18("3","7","3","5","7","9","1") = "8"
    & skf18("3","7","3","5","7","10","1") = "9"
    & skf18("3","7","3","5","8","1","1") = "7"
    & skf18("3","7","3","5","8","2","1") = "7"
    & skf18("3","7","3","5","8","3","1") = "7"
    & skf18("3","7","3","5","8","4","1") = "7"
    & skf18("3","7","3","5","8","5","1") = "7"
    & skf18("3","7","3","5","8","6","1") = "7"
    & skf18("3","7","3","5","8","7","1") = "7"
    & skf18("3","7","3","5","8","8","1") = "7"
    & skf18("3","7","3","5","8","9","1") = "8"
    & skf18("3","7","3","5","8","10","1") = "9"
    & skf18("3","7","3","5","9","1","1") = "8"
    & skf18("3","7","3","5","9","2","1") = "8"
    & skf18("3","7","3","5","9","3","1") = "8"
    & skf18("3","7","3","5","9","4","1") = "8"
    & skf18("3","7","3","5","9","5","1") = "8"
    & skf18("3","7","3","5","9","6","1") = "8"
    & skf18("3","7","3","5","9","7","1") = "8"
    & skf18("3","7","3","5","9","8","1") = "8"
    & skf18("3","7","3","5","9","9","1") = "8"
    & skf18("3","7","3","5","9","10","1") = "9"
    & skf18("3","7","3","5","10","1","1") = "9"
    & skf18("3","7","3","5","10","2","1") = "9"
    & skf18("3","7","3","5","10","3","1") = "9"
    & skf18("3","7","3","5","10","4","1") = "9"
    & skf18("3","7","3","5","10","5","1") = "9"
    & skf18("3","7","3","5","10","6","1") = "9"
    & skf18("3","7","3","5","10","7","1") = "9"
    & skf18("3","7","3","5","10","8","1") = "9"
    & skf18("3","7","3","5","10","9","1") = "9"
    & skf18("3","7","3","5","10","10","1") = "9"
    & skf18("3","7","3","6","1","1","1") = "6"
    & skf18("3","7","3","6","1","2","1") = "6"
    & skf18("3","7","3","6","1","3","1") = "6"
    & skf18("3","7","3","6","1","4","1") = "6"
    & skf18("3","7","3","6","1","5","1") = "6"
    & skf18("3","7","3","6","1","6","1") = "6"
    & skf18("3","7","3","6","1","7","1") = "6"
    & skf18("3","7","3","6","1","8","1") = "7"
    & skf18("3","7","3","6","1","9","1") = "8"
    & skf18("3","7","3","6","1","10","1") = "9"
    & skf18("3","7","3","6","2","1","1") = "6"
    & skf18("3","7","3","6","2","2","1") = "6"
    & skf18("3","7","3","6","2","3","1") = "6"
    & skf18("3","7","3","6","2","4","1") = "6"
    & skf18("3","7","3","6","2","5","1") = "6"
    & skf18("3","7","3","6","2","6","1") = "6"
    & skf18("3","7","3","6","2","7","1") = "6"
    & skf18("3","7","3","6","2","8","1") = "7"
    & skf18("3","7","3","6","2","9","1") = "8"
    & skf18("3","7","3","6","2","10","1") = "9"
    & skf18("3","7","3","6","3","1","1") = "6"
    & skf18("3","7","3","6","3","2","1") = "6"
    & skf18("3","7","3","6","3","3","1") = "6"
    & skf18("3","7","3","6","3","4","1") = "6"
    & skf18("3","7","3","6","3","5","1") = "6"
    & skf18("3","7","3","6","3","6","1") = "6"
    & skf18("3","7","3","6","3","7","1") = "6"
    & skf18("3","7","3","6","3","8","1") = "7"
    & skf18("3","7","3","6","3","9","1") = "8"
    & skf18("3","7","3","6","3","10","1") = "9"
    & skf18("3","7","3","6","4","1","1") = "6"
    & skf18("3","7","3","6","4","2","1") = "6"
    & skf18("3","7","3","6","4","3","1") = "6"
    & skf18("3","7","3","6","4","4","1") = "6"
    & skf18("3","7","3","6","4","5","1") = "6"
    & skf18("3","7","3","6","4","6","1") = "6"
    & skf18("3","7","3","6","4","7","1") = "6"
    & skf18("3","7","3","6","4","8","1") = "7"
    & skf18("3","7","3","6","4","9","1") = "8"
    & skf18("3","7","3","6","4","10","1") = "9"
    & skf18("3","7","3","6","5","1","1") = "6"
    & skf18("3","7","3","6","5","2","1") = "6"
    & skf18("3","7","3","6","5","3","1") = "6"
    & skf18("3","7","3","6","5","4","1") = "6"
    & skf18("3","7","3","6","5","5","1") = "6"
    & skf18("3","7","3","6","5","6","1") = "6"
    & skf18("3","7","3","6","5","7","1") = "6"
    & skf18("3","7","3","6","5","8","1") = "7"
    & skf18("3","7","3","6","5","9","1") = "8"
    & skf18("3","7","3","6","5","10","1") = "9"
    & skf18("3","7","3","6","6","1","1") = "6"
    & skf18("3","7","3","6","6","2","1") = "6"
    & skf18("3","7","3","6","6","3","1") = "6"
    & skf18("3","7","3","6","6","4","1") = "6"
    & skf18("3","7","3","6","6","5","1") = "6"
    & skf18("3","7","3","6","6","6","1") = "6"
    & skf18("3","7","3","6","6","7","1") = "6"
    & skf18("3","7","3","6","6","8","1") = "7"
    & skf18("3","7","3","6","6","9","1") = "8"
    & skf18("3","7","3","6","6","10","1") = "9"
    & skf18("3","7","3","6","7","1","1") = "6"
    & skf18("3","7","3","6","7","2","1") = "6"
    & skf18("3","7","3","6","7","3","1") = "6"
    & skf18("3","7","3","6","7","4","1") = "6"
    & skf18("3","7","3","6","7","5","1") = "6"
    & skf18("3","7","3","6","7","6","1") = "6"
    & skf18("3","7","3","6","7","7","1") = "6"
    & skf18("3","7","3","6","7","8","1") = "7"
    & skf18("3","7","3","6","7","9","1") = "8"
    & skf18("3","7","3","6","7","10","1") = "9"
    & skf18("3","7","3","6","8","1","1") = "7"
    & skf18("3","7","3","6","8","2","1") = "7"
    & skf18("3","7","3","6","8","3","1") = "7"
    & skf18("3","7","3","6","8","4","1") = "7"
    & skf18("3","7","3","6","8","5","1") = "7"
    & skf18("3","7","3","6","8","6","1") = "7"
    & skf18("3","7","3","6","8","7","1") = "7"
    & skf18("3","7","3","6","8","8","1") = "7"
    & skf18("3","7","3","6","8","9","1") = "8"
    & skf18("3","7","3","6","8","10","1") = "9"
    & skf18("3","7","3","6","9","1","1") = "8"
    & skf18("3","7","3","6","9","2","1") = "8"
    & skf18("3","7","3","6","9","3","1") = "8"
    & skf18("3","7","3","6","9","4","1") = "8"
    & skf18("3","7","3","6","9","5","1") = "8"
    & skf18("3","7","3","6","9","6","1") = "8"
    & skf18("3","7","3","6","9","7","1") = "8"
    & skf18("3","7","3","6","9","8","1") = "8"
    & skf18("3","7","3","6","9","9","1") = "8"
    & skf18("3","7","3","6","9","10","1") = "9"
    & skf18("3","7","3","6","10","1","1") = "9"
    & skf18("3","7","3","6","10","2","1") = "9"
    & skf18("3","7","3","6","10","3","1") = "9"
    & skf18("3","7","3","6","10","4","1") = "9"
    & skf18("3","7","3","6","10","5","1") = "9"
    & skf18("3","7","3","6","10","6","1") = "9"
    & skf18("3","7","3","6","10","7","1") = "9"
    & skf18("3","7","3","6","10","8","1") = "9"
    & skf18("3","7","3","6","10","9","1") = "9"
    & skf18("3","7","3","6","10","10","1") = "9"
    & skf18("3","7","3","7","1","1","1") = "6"
    & skf18("3","7","3","7","1","2","1") = "6"
    & skf18("3","7","3","7","1","3","1") = "6"
    & skf18("3","7","3","7","1","4","1") = "6"
    & skf18("3","7","3","7","1","5","1") = "6"
    & skf18("3","7","3","7","1","6","1") = "6"
    & skf18("3","7","3","7","1","7","1") = "6"
    & skf18("3","7","3","7","1","8","1") = "7"
    & skf18("3","7","3","7","1","9","1") = "8"
    & skf18("3","7","3","7","1","10","1") = "9"
    & skf18("3","7","3","7","2","1","1") = "6"
    & skf18("3","7","3","7","2","2","1") = "6"
    & skf18("3","7","3","7","2","3","1") = "6"
    & skf18("3","7","3","7","2","4","1") = "6"
    & skf18("3","7","3","7","2","5","1") = "6"
    & skf18("3","7","3","7","2","6","1") = "6"
    & skf18("3","7","3","7","2","7","1") = "6"
    & skf18("3","7","3","7","2","8","1") = "7"
    & skf18("3","7","3","7","2","9","1") = "8"
    & skf18("3","7","3","7","2","10","1") = "9"
    & skf18("3","7","3","7","3","1","1") = "6"
    & skf18("3","7","3","7","3","2","1") = "6"
    & skf18("3","7","3","7","3","3","1") = "6"
    & skf18("3","7","3","7","3","4","1") = "6"
    & skf18("3","7","3","7","3","5","1") = "6"
    & skf18("3","7","3","7","3","6","1") = "6"
    & skf18("3","7","3","7","3","7","1") = "6"
    & skf18("3","7","3","7","3","8","1") = "7"
    & skf18("3","7","3","7","3","9","1") = "8"
    & skf18("3","7","3","7","3","10","1") = "9"
    & skf18("3","7","3","7","4","1","1") = "6"
    & skf18("3","7","3","7","4","2","1") = "6"
    & skf18("3","7","3","7","4","3","1") = "6"
    & skf18("3","7","3","7","4","4","1") = "6"
    & skf18("3","7","3","7","4","5","1") = "6"
    & skf18("3","7","3","7","4","6","1") = "6"
    & skf18("3","7","3","7","4","7","1") = "6"
    & skf18("3","7","3","7","4","8","1") = "7"
    & skf18("3","7","3","7","4","9","1") = "8"
    & skf18("3","7","3","7","4","10","1") = "9"
    & skf18("3","7","3","7","5","1","1") = "6"
    & skf18("3","7","3","7","5","2","1") = "6"
    & skf18("3","7","3","7","5","3","1") = "6"
    & skf18("3","7","3","7","5","4","1") = "6"
    & skf18("3","7","3","7","5","5","1") = "6"
    & skf18("3","7","3","7","5","6","1") = "6"
    & skf18("3","7","3","7","5","7","1") = "6"
    & skf18("3","7","3","7","5","8","1") = "7"
    & skf18("3","7","3","7","5","9","1") = "8"
    & skf18("3","7","3","7","5","10","1") = "9"
    & skf18("3","7","3","7","6","1","1") = "6"
    & skf18("3","7","3","7","6","2","1") = "6"
    & skf18("3","7","3","7","6","3","1") = "6"
    & skf18("3","7","3","7","6","4","1") = "6"
    & skf18("3","7","3","7","6","5","1") = "6"
    & skf18("3","7","3","7","6","6","1") = "6"
    & skf18("3","7","3","7","6","7","1") = "6"
    & skf18("3","7","3","7","6","8","1") = "7"
    & skf18("3","7","3","7","6","9","1") = "8"
    & skf18("3","7","3","7","6","10","1") = "9"
    & skf18("3","7","3","7","7","1","1") = "6"
    & skf18("3","7","3","7","7","2","1") = "6"
    & skf18("3","7","3","7","7","3","1") = "6"
    & skf18("3","7","3","7","7","4","1") = "6"
    & skf18("3","7","3","7","7","5","1") = "6"
    & skf18("3","7","3","7","7","6","1") = "6"
    & skf18("3","7","3","7","7","7","1") = "6"
    & skf18("3","7","3","7","7","8","1") = "7"
    & skf18("3","7","3","7","7","9","1") = "8"
    & skf18("3","7","3","7","7","10","1") = "9"
    & skf18("3","7","3","7","8","1","1") = "7"
    & skf18("3","7","3","7","8","2","1") = "7"
    & skf18("3","7","3","7","8","3","1") = "7"
    & skf18("3","7","3","7","8","4","1") = "7"
    & skf18("3","7","3","7","8","5","1") = "7"
    & skf18("3","7","3","7","8","6","1") = "7"
    & skf18("3","7","3","7","8","7","1") = "7"
    & skf18("3","7","3","7","8","8","1") = "7"
    & skf18("3","7","3","7","8","9","1") = "8"
    & skf18("3","7","3","7","8","10","1") = "9"
    & skf18("3","7","3","7","9","1","1") = "8"
    & skf18("3","7","3","7","9","2","1") = "8"
    & skf18("3","7","3","7","9","3","1") = "8"
    & skf18("3","7","3","7","9","4","1") = "8"
    & skf18("3","7","3","7","9","5","1") = "8"
    & skf18("3","7","3","7","9","6","1") = "8"
    & skf18("3","7","3","7","9","7","1") = "8"
    & skf18("3","7","3","7","9","8","1") = "8"
    & skf18("3","7","3","7","9","9","1") = "8"
    & skf18("3","7","3","7","9","10","1") = "9"
    & skf18("3","7","3","7","10","1","1") = "9"
    & skf18("3","7","3","7","10","2","1") = "9"
    & skf18("3","7","3","7","10","3","1") = "9"
    & skf18("3","7","3","7","10","4","1") = "9"
    & skf18("3","7","3","7","10","5","1") = "9"
    & skf18("3","7","3","7","10","6","1") = "9"
    & skf18("3","7","3","7","10","7","1") = "9"
    & skf18("3","7","3","7","10","8","1") = "9"
    & skf18("3","7","3","7","10","9","1") = "9"
    & skf18("3","7","3","7","10","10","1") = "9"
    & skf18("3","7","3","8","1","1","1") = "7"
    & skf18("3","7","3","8","1","2","1") = "7"
    & skf18("3","7","3","8","1","3","1") = "7"
    & skf18("3","7","3","8","1","4","1") = "7"
    & skf18("3","7","3","8","1","5","1") = "7"
    & skf18("3","7","3","8","1","6","1") = "7"
    & skf18("3","7","3","8","1","7","1") = "7"
    & skf18("3","7","3","8","1","8","1") = "7"
    & skf18("3","7","3","8","1","9","1") = "8"
    & skf18("3","7","3","8","1","10","1") = "9"
    & skf18("3","7","3","8","2","1","1") = "7"
    & skf18("3","7","3","8","2","2","1") = "7"
    & skf18("3","7","3","8","2","3","1") = "7"
    & skf18("3","7","3","8","2","4","1") = "7"
    & skf18("3","7","3","8","2","5","1") = "7"
    & skf18("3","7","3","8","2","6","1") = "7"
    & skf18("3","7","3","8","2","7","1") = "7"
    & skf18("3","7","3","8","2","8","1") = "7"
    & skf18("3","7","3","8","2","9","1") = "8"
    & skf18("3","7","3","8","2","10","1") = "9"
    & skf18("3","7","3","8","3","1","1") = "7"
    & skf18("3","7","3","8","3","2","1") = "7"
    & skf18("3","7","3","8","3","3","1") = "7"
    & skf18("3","7","3","8","3","4","1") = "7"
    & skf18("3","7","3","8","3","5","1") = "7"
    & skf18("3","7","3","8","3","6","1") = "7"
    & skf18("3","7","3","8","3","7","1") = "7"
    & skf18("3","7","3","8","3","8","1") = "7"
    & skf18("3","7","3","8","3","9","1") = "8"
    & skf18("3","7","3","8","3","10","1") = "9"
    & skf18("3","7","3","8","4","1","1") = "7"
    & skf18("3","7","3","8","4","2","1") = "7"
    & skf18("3","7","3","8","4","3","1") = "7"
    & skf18("3","7","3","8","4","4","1") = "7"
    & skf18("3","7","3","8","4","5","1") = "7"
    & skf18("3","7","3","8","4","6","1") = "7"
    & skf18("3","7","3","8","4","7","1") = "7"
    & skf18("3","7","3","8","4","8","1") = "7"
    & skf18("3","7","3","8","4","9","1") = "8"
    & skf18("3","7","3","8","4","10","1") = "9"
    & skf18("3","7","3","8","5","1","1") = "7"
    & skf18("3","7","3","8","5","2","1") = "7"
    & skf18("3","7","3","8","5","3","1") = "7"
    & skf18("3","7","3","8","5","4","1") = "7"
    & skf18("3","7","3","8","5","5","1") = "7"
    & skf18("3","7","3","8","5","6","1") = "7"
    & skf18("3","7","3","8","5","7","1") = "7"
    & skf18("3","7","3","8","5","8","1") = "7"
    & skf18("3","7","3","8","5","9","1") = "8"
    & skf18("3","7","3","8","5","10","1") = "9"
    & skf18("3","7","3","8","6","1","1") = "7"
    & skf18("3","7","3","8","6","2","1") = "7"
    & skf18("3","7","3","8","6","3","1") = "7"
    & skf18("3","7","3","8","6","4","1") = "7"
    & skf18("3","7","3","8","6","5","1") = "7"
    & skf18("3","7","3","8","6","6","1") = "7"
    & skf18("3","7","3","8","6","7","1") = "7"
    & skf18("3","7","3","8","6","8","1") = "7"
    & skf18("3","7","3","8","6","9","1") = "8"
    & skf18("3","7","3","8","6","10","1") = "9"
    & skf18("3","7","3","8","7","1","1") = "7"
    & skf18("3","7","3","8","7","2","1") = "7"
    & skf18("3","7","3","8","7","3","1") = "7"
    & skf18("3","7","3","8","7","4","1") = "7"
    & skf18("3","7","3","8","7","5","1") = "7"
    & skf18("3","7","3","8","7","6","1") = "7"
    & skf18("3","7","3","8","7","7","1") = "7"
    & skf18("3","7","3","8","7","8","1") = "7"
    & skf18("3","7","3","8","7","9","1") = "8"
    & skf18("3","7","3","8","7","10","1") = "9"
    & skf18("3","7","3","8","8","1","1") = "7"
    & skf18("3","7","3","8","8","2","1") = "7"
    & skf18("3","7","3","8","8","3","1") = "7"
    & skf18("3","7","3","8","8","4","1") = "7"
    & skf18("3","7","3","8","8","5","1") = "7"
    & skf18("3","7","3","8","8","6","1") = "7"
    & skf18("3","7","3","8","8","7","1") = "7"
    & skf18("3","7","3","8","8","8","1") = "7"
    & skf18("3","7","3","8","8","9","1") = "8"
    & skf18("3","7","3","8","8","10","1") = "9"
    & skf18("3","7","3","8","9","1","1") = "8"
    & skf18("3","7","3","8","9","2","1") = "8"
    & skf18("3","7","3","8","9","3","1") = "8"
    & skf18("3","7","3","8","9","4","1") = "8"
    & skf18("3","7","3","8","9","5","1") = "8"
    & skf18("3","7","3","8","9","6","1") = "8"
    & skf18("3","7","3","8","9","7","1") = "8"
    & skf18("3","7","3","8","9","8","1") = "8"
    & skf18("3","7","3","8","9","9","1") = "8"
    & skf18("3","7","3","8","9","10","1") = "9"
    & skf18("3","7","3","8","10","1","1") = "9"
    & skf18("3","7","3","8","10","2","1") = "9"
    & skf18("3","7","3","8","10","3","1") = "9"
    & skf18("3","7","3","8","10","4","1") = "9"
    & skf18("3","7","3","8","10","5","1") = "9"
    & skf18("3","7","3","8","10","6","1") = "9"
    & skf18("3","7","3","8","10","7","1") = "9"
    & skf18("3","7","3","8","10","8","1") = "9"
    & skf18("3","7","3","8","10","9","1") = "9"
    & skf18("3","7","3","8","10","10","1") = "9"
    & skf18("3","7","3","9","1","1","1") = "8"
    & skf18("3","7","3","9","1","2","1") = "8"
    & skf18("3","7","3","9","1","3","1") = "8"
    & skf18("3","7","3","9","1","4","1") = "8"
    & skf18("3","7","3","9","1","5","1") = "8"
    & skf18("3","7","3","9","1","6","1") = "8"
    & skf18("3","7","3","9","1","7","1") = "8"
    & skf18("3","7","3","9","1","8","1") = "8"
    & skf18("3","7","3","9","1","9","1") = "8"
    & skf18("3","7","3","9","1","10","1") = "9"
    & skf18("3","7","3","9","2","1","1") = "8"
    & skf18("3","7","3","9","2","2","1") = "8"
    & skf18("3","7","3","9","2","3","1") = "8"
    & skf18("3","7","3","9","2","4","1") = "8"
    & skf18("3","7","3","9","2","5","1") = "8"
    & skf18("3","7","3","9","2","6","1") = "8"
    & skf18("3","7","3","9","2","7","1") = "8"
    & skf18("3","7","3","9","2","8","1") = "8"
    & skf18("3","7","3","9","2","9","1") = "8"
    & skf18("3","7","3","9","2","10","1") = "9"
    & skf18("3","7","3","9","3","1","1") = "8"
    & skf18("3","7","3","9","3","2","1") = "8"
    & skf18("3","7","3","9","3","3","1") = "8"
    & skf18("3","7","3","9","3","4","1") = "8"
    & skf18("3","7","3","9","3","5","1") = "8"
    & skf18("3","7","3","9","3","6","1") = "8"
    & skf18("3","7","3","9","3","7","1") = "8"
    & skf18("3","7","3","9","3","8","1") = "8"
    & skf18("3","7","3","9","3","9","1") = "8"
    & skf18("3","7","3","9","3","10","1") = "9"
    & skf18("3","7","3","9","4","1","1") = "8"
    & skf18("3","7","3","9","4","2","1") = "8"
    & skf18("3","7","3","9","4","3","1") = "8"
    & skf18("3","7","3","9","4","4","1") = "8"
    & skf18("3","7","3","9","4","5","1") = "8"
    & skf18("3","7","3","9","4","6","1") = "8"
    & skf18("3","7","3","9","4","7","1") = "8"
    & skf18("3","7","3","9","4","8","1") = "8"
    & skf18("3","7","3","9","4","9","1") = "8"
    & skf18("3","7","3","9","4","10","1") = "9"
    & skf18("3","7","3","9","5","1","1") = "8"
    & skf18("3","7","3","9","5","2","1") = "8"
    & skf18("3","7","3","9","5","3","1") = "8"
    & skf18("3","7","3","9","5","4","1") = "8"
    & skf18("3","7","3","9","5","5","1") = "8"
    & skf18("3","7","3","9","5","6","1") = "8"
    & skf18("3","7","3","9","5","7","1") = "8"
    & skf18("3","7","3","9","5","8","1") = "8"
    & skf18("3","7","3","9","5","9","1") = "8"
    & skf18("3","7","3","9","5","10","1") = "9"
    & skf18("3","7","3","9","6","1","1") = "8"
    & skf18("3","7","3","9","6","2","1") = "8"
    & skf18("3","7","3","9","6","3","1") = "8"
    & skf18("3","7","3","9","6","4","1") = "8"
    & skf18("3","7","3","9","6","5","1") = "8"
    & skf18("3","7","3","9","6","6","1") = "8"
    & skf18("3","7","3","9","6","7","1") = "8"
    & skf18("3","7","3","9","6","8","1") = "8"
    & skf18("3","7","3","9","6","9","1") = "8"
    & skf18("3","7","3","9","6","10","1") = "9"
    & skf18("3","7","3","9","7","1","1") = "8"
    & skf18("3","7","3","9","7","2","1") = "8"
    & skf18("3","7","3","9","7","3","1") = "8"
    & skf18("3","7","3","9","7","4","1") = "8"
    & skf18("3","7","3","9","7","5","1") = "8"
    & skf18("3","7","3","9","7","6","1") = "8"
    & skf18("3","7","3","9","7","7","1") = "8"
    & skf18("3","7","3","9","7","8","1") = "8"
    & skf18("3","7","3","9","7","9","1") = "8"
    & skf18("3","7","3","9","7","10","1") = "9"
    & skf18("3","7","3","9","8","1","1") = "8"
    & skf18("3","7","3","9","8","2","1") = "8"
    & skf18("3","7","3","9","8","3","1") = "8"
    & skf18("3","7","3","9","8","4","1") = "8"
    & skf18("3","7","3","9","8","5","1") = "8"
    & skf18("3","7","3","9","8","6","1") = "8"
    & skf18("3","7","3","9","8","7","1") = "8"
    & skf18("3","7","3","9","8","8","1") = "8"
    & skf18("3","7","3","9","8","9","1") = "8"
    & skf18("3","7","3","9","8","10","1") = "9"
    & skf18("3","7","3","9","9","1","1") = "8"
    & skf18("3","7","3","9","9","2","1") = "8"
    & skf18("3","7","3","9","9","3","1") = "8"
    & skf18("3","7","3","9","9","4","1") = "8"
    & skf18("3","7","3","9","9","5","1") = "8"
    & skf18("3","7","3","9","9","6","1") = "8"
    & skf18("3","7","3","9","9","7","1") = "8"
    & skf18("3","7","3","9","9","8","1") = "8"
    & skf18("3","7","3","9","9","9","1") = "8"
    & skf18("3","7","3","9","9","10","1") = "9"
    & skf18("3","7","3","9","10","1","1") = "9"
    & skf18("3","7","3","9","10","2","1") = "9"
    & skf18("3","7","3","9","10","3","1") = "9"
    & skf18("3","7","3","9","10","4","1") = "9"
    & skf18("3","7","3","9","10","5","1") = "9"
    & skf18("3","7","3","9","10","6","1") = "9"
    & skf18("3","7","3","9","10","7","1") = "9"
    & skf18("3","7","3","9","10","8","1") = "9"
    & skf18("3","7","3","9","10","9","1") = "9"
    & skf18("3","7","3","9","10","10","1") = "9"
    & skf18("3","7","3","10","1","1","1") = "9"
    & skf18("3","7","3","10","1","2","1") = "9"
    & skf18("3","7","3","10","1","3","1") = "9"
    & skf18("3","7","3","10","1","4","1") = "9"
    & skf18("3","7","3","10","1","5","1") = "9"
    & skf18("3","7","3","10","1","6","1") = "9"
    & skf18("3","7","3","10","1","7","1") = "9"
    & skf18("3","7","3","10","1","8","1") = "9"
    & skf18("3","7","3","10","1","9","1") = "9"
    & skf18("3","7","3","10","1","10","1") = "9"
    & skf18("3","7","3","10","2","1","1") = "9"
    & skf18("3","7","3","10","2","2","1") = "9"
    & skf18("3","7","3","10","2","3","1") = "9"
    & skf18("3","7","3","10","2","4","1") = "9"
    & skf18("3","7","3","10","2","5","1") = "9"
    & skf18("3","7","3","10","2","6","1") = "9"
    & skf18("3","7","3","10","2","7","1") = "9"
    & skf18("3","7","3","10","2","8","1") = "9"
    & skf18("3","7","3","10","2","9","1") = "9"
    & skf18("3","7","3","10","2","10","1") = "9"
    & skf18("3","7","3","10","3","1","1") = "9"
    & skf18("3","7","3","10","3","2","1") = "9"
    & skf18("3","7","3","10","3","3","1") = "9"
    & skf18("3","7","3","10","3","4","1") = "9"
    & skf18("3","7","3","10","3","5","1") = "9"
    & skf18("3","7","3","10","3","6","1") = "9"
    & skf18("3","7","3","10","3","7","1") = "9"
    & skf18("3","7","3","10","3","8","1") = "9"
    & skf18("3","7","3","10","3","9","1") = "9"
    & skf18("3","7","3","10","3","10","1") = "9"
    & skf18("3","7","3","10","4","1","1") = "9"
    & skf18("3","7","3","10","4","2","1") = "9"
    & skf18("3","7","3","10","4","3","1") = "9"
    & skf18("3","7","3","10","4","4","1") = "9"
    & skf18("3","7","3","10","4","5","1") = "9"
    & skf18("3","7","3","10","4","6","1") = "9"
    & skf18("3","7","3","10","4","7","1") = "9"
    & skf18("3","7","3","10","4","8","1") = "9"
    & skf18("3","7","3","10","4","9","1") = "9"
    & skf18("3","7","3","10","4","10","1") = "9"
    & skf18("3","7","3","10","5","1","1") = "9"
    & skf18("3","7","3","10","5","2","1") = "9"
    & skf18("3","7","3","10","5","3","1") = "9"
    & skf18("3","7","3","10","5","4","1") = "9"
    & skf18("3","7","3","10","5","5","1") = "9"
    & skf18("3","7","3","10","5","6","1") = "9"
    & skf18("3","7","3","10","5","7","1") = "9"
    & skf18("3","7","3","10","5","8","1") = "9"
    & skf18("3","7","3","10","5","9","1") = "9"
    & skf18("3","7","3","10","5","10","1") = "9"
    & skf18("3","7","3","10","6","1","1") = "9"
    & skf18("3","7","3","10","6","2","1") = "9"
    & skf18("3","7","3","10","6","3","1") = "9"
    & skf18("3","7","3","10","6","4","1") = "9"
    & skf18("3","7","3","10","6","5","1") = "9"
    & skf18("3","7","3","10","6","6","1") = "9"
    & skf18("3","7","3","10","6","7","1") = "9"
    & skf18("3","7","3","10","6","8","1") = "9"
    & skf18("3","7","3","10","6","9","1") = "9"
    & skf18("3","7","3","10","6","10","1") = "9"
    & skf18("3","7","3","10","7","1","1") = "9"
    & skf18("3","7","3","10","7","2","1") = "9"
    & skf18("3","7","3","10","7","3","1") = "9"
    & skf18("3","7","3","10","7","4","1") = "9"
    & skf18("3","7","3","10","7","5","1") = "9"
    & skf18("3","7","3","10","7","6","1") = "9"
    & skf18("3","7","3","10","7","7","1") = "9"
    & skf18("3","7","3","10","7","8","1") = "9"
    & skf18("3","7","3","10","7","9","1") = "9"
    & skf18("3","7","3","10","7","10","1") = "9"
    & skf18("3","7","3","10","8","1","1") = "9"
    & skf18("3","7","3","10","8","2","1") = "9"
    & skf18("3","7","3","10","8","3","1") = "9"
    & skf18("3","7","3","10","8","4","1") = "9"
    & skf18("3","7","3","10","8","5","1") = "9"
    & skf18("3","7","3","10","8","6","1") = "9"
    & skf18("3","7","3","10","8","7","1") = "9"
    & skf18("3","7","3","10","8","8","1") = "9"
    & skf18("3","7","3","10","8","9","1") = "9"
    & skf18("3","7","3","10","8","10","1") = "9"
    & skf18("3","7","3","10","9","1","1") = "9"
    & skf18("3","7","3","10","9","2","1") = "9"
    & skf18("3","7","3","10","9","3","1") = "9"
    & skf18("3","7","3","10","9","4","1") = "9"
    & skf18("3","7","3","10","9","5","1") = "9"
    & skf18("3","7","3","10","9","6","1") = "9"
    & skf18("3","7","3","10","9","7","1") = "9"
    & skf18("3","7","3","10","9","8","1") = "9"
    & skf18("3","7","3","10","9","9","1") = "9"
    & skf18("3","7","3","10","9","10","1") = "9"
    & skf18("3","7","3","10","10","1","1") = "9"
    & skf18("3","7","3","10","10","2","1") = "9"
    & skf18("3","7","3","10","10","3","1") = "9"
    & skf18("3","7","3","10","10","4","1") = "9"
    & skf18("3","7","3","10","10","5","1") = "9"
    & skf18("3","7","3","10","10","6","1") = "9"
    & skf18("3","7","3","10","10","7","1") = "9"
    & skf18("3","7","3","10","10","8","1") = "9"
    & skf18("3","7","3","10","10","9","1") = "9"
    & skf18("3","7","3","10","10","10","1") = "9"
    & skf18("3","7","4","1","1","1","1") = "6"
    & skf18("3","7","4","1","1","2","1") = "6"
    & skf18("3","7","4","1","1","3","1") = "6"
    & skf18("3","7","4","1","1","4","1") = "6"
    & skf18("3","7","4","1","1","5","1") = "6"
    & skf18("3","7","4","1","1","6","1") = "6"
    & skf18("3","7","4","1","1","7","1") = "6"
    & skf18("3","7","4","1","1","8","1") = "7"
    & skf18("3","7","4","1","1","9","1") = "8"
    & skf18("3","7","4","1","1","10","1") = "9"
    & skf18("3","7","4","1","2","1","1") = "6"
    & skf18("3","7","4","1","2","2","1") = "6"
    & skf18("3","7","4","1","2","3","1") = "6"
    & skf18("3","7","4","1","2","4","1") = "6"
    & skf18("3","7","4","1","2","5","1") = "6"
    & skf18("3","7","4","1","2","6","1") = "6"
    & skf18("3","7","4","1","2","7","1") = "6"
    & skf18("3","7","4","1","2","8","1") = "7"
    & skf18("3","7","4","1","2","9","1") = "8"
    & skf18("3","7","4","1","2","10","1") = "9"
    & skf18("3","7","4","1","3","1","1") = "6"
    & skf18("3","7","4","1","3","2","1") = "6"
    & skf18("3","7","4","1","3","3","1") = "6"
    & skf18("3","7","4","1","3","4","1") = "6"
    & skf18("3","7","4","1","3","5","1") = "6"
    & skf18("3","7","4","1","3","6","1") = "6"
    & skf18("3","7","4","1","3","7","1") = "6"
    & skf18("3","7","4","1","3","8","1") = "7"
    & skf18("3","7","4","1","3","9","1") = "8"
    & skf18("3","7","4","1","3","10","1") = "9"
    & skf18("3","7","4","1","4","1","1") = "6"
    & skf18("3","7","4","1","4","2","1") = "6"
    & skf18("3","7","4","1","4","3","1") = "6"
    & skf18("3","7","4","1","4","4","1") = "6"
    & skf18("3","7","4","1","4","5","1") = "6"
    & skf18("3","7","4","1","4","6","1") = "6"
    & skf18("3","7","4","1","4","7","1") = "6"
    & skf18("3","7","4","1","4","8","1") = "7"
    & skf18("3","7","4","1","4","9","1") = "8"
    & skf18("3","7","4","1","4","10","1") = "9"
    & skf18("3","7","4","1","5","1","1") = "6"
    & skf18("3","7","4","1","5","2","1") = "6"
    & skf18("3","7","4","1","5","3","1") = "6"
    & skf18("3","7","4","1","5","4","1") = "6"
    & skf18("3","7","4","1","5","5","1") = "6"
    & skf18("3","7","4","1","5","6","1") = "6"
    & skf18("3","7","4","1","5","7","1") = "6"
    & skf18("3","7","4","1","5","8","1") = "7"
    & skf18("3","7","4","1","5","9","1") = "8"
    & skf18("3","7","4","1","5","10","1") = "9"
    & skf18("3","7","4","1","6","1","1") = "6"
    & skf18("3","7","4","1","6","2","1") = "6"
    & skf18("3","7","4","1","6","3","1") = "6"
    & skf18("3","7","4","1","6","4","1") = "6"
    & skf18("3","7","4","1","6","5","1") = "6"
    & skf18("3","7","4","1","6","6","1") = "6"
    & skf18("3","7","4","1","6","7","1") = "6"
    & skf18("3","7","4","1","6","8","1") = "7"
    & skf18("3","7","4","1","6","9","1") = "8"
    & skf18("3","7","4","1","6","10","1") = "9"
    & skf18("3","7","4","1","7","1","1") = "6"
    & skf18("3","7","4","1","7","2","1") = "6"
    & skf18("3","7","4","1","7","3","1") = "6"
    & skf18("3","7","4","1","7","4","1") = "6"
    & skf18("3","7","4","1","7","5","1") = "6"
    & skf18("3","7","4","1","7","6","1") = "6"
    & skf18("3","7","4","1","7","7","1") = "6"
    & skf18("3","7","4","1","7","8","1") = "7"
    & skf18("3","7","4","1","7","9","1") = "8"
    & skf18("3","7","4","1","7","10","1") = "9"
    & skf18("3","7","4","1","8","1","1") = "7"
    & skf18("3","7","4","1","8","2","1") = "7"
    & skf18("3","7","4","1","8","3","1") = "7"
    & skf18("3","7","4","1","8","4","1") = "7"
    & skf18("3","7","4","1","8","5","1") = "7"
    & skf18("3","7","4","1","8","6","1") = "7"
    & skf18("3","7","4","1","8","7","1") = "7"
    & skf18("3","7","4","1","8","8","1") = "7"
    & skf18("3","7","4","1","8","9","1") = "8"
    & skf18("3","7","4","1","8","10","1") = "9"
    & skf18("3","7","4","1","9","1","1") = "8"
    & skf18("3","7","4","1","9","2","1") = "8"
    & skf18("3","7","4","1","9","3","1") = "8"
    & skf18("3","7","4","1","9","4","1") = "8"
    & skf18("3","7","4","1","9","5","1") = "8"
    & skf18("3","7","4","1","9","6","1") = "8"
    & skf18("3","7","4","1","9","7","1") = "8"
    & skf18("3","7","4","1","9","8","1") = "8"
    & skf18("3","7","4","1","9","9","1") = "8"
    & skf18("3","7","4","1","9","10","1") = "9"
    & skf18("3","7","4","1","10","1","1") = "9"
    & skf18("3","7","4","1","10","2","1") = "9"
    & skf18("3","7","4","1","10","3","1") = "9"
    & skf18("3","7","4","1","10","4","1") = "9"
    & skf18("3","7","4","1","10","5","1") = "9"
    & skf18("3","7","4","1","10","6","1") = "9"
    & skf18("3","7","4","1","10","7","1") = "9"
    & skf18("3","7","4","1","10","8","1") = "9"
    & skf18("3","7","4","1","10","9","1") = "9"
    & skf18("3","7","4","1","10","10","1") = "9"
    & skf18("3","7","4","2","1","1","1") = "6"
    & skf18("3","7","4","2","1","2","1") = "6"
    & skf18("3","7","4","2","1","3","1") = "6"
    & skf18("3","7","4","2","1","4","1") = "6"
    & skf18("3","7","4","2","1","5","1") = "6"
    & skf18("3","7","4","2","1","6","1") = "6"
    & skf18("3","7","4","2","1","7","1") = "6"
    & skf18("3","7","4","2","1","8","1") = "7"
    & skf18("3","7","4","2","1","9","1") = "8"
    & skf18("3","7","4","2","1","10","1") = "9"
    & skf18("3","7","4","2","2","1","1") = "6"
    & skf18("3","7","4","2","2","2","1") = "6"
    & skf18("3","7","4","2","2","3","1") = "6"
    & skf18("3","7","4","2","2","4","1") = "6"
    & skf18("3","7","4","2","2","5","1") = "6"
    & skf18("3","7","4","2","2","6","1") = "6"
    & skf18("3","7","4","2","2","7","1") = "6"
    & skf18("3","7","4","2","2","8","1") = "7"
    & skf18("3","7","4","2","2","9","1") = "8"
    & skf18("3","7","4","2","2","10","1") = "9"
    & skf18("3","7","4","2","3","1","1") = "6"
    & skf18("3","7","4","2","3","2","1") = "6"
    & skf18("3","7","4","2","3","3","1") = "6"
    & skf18("3","7","4","2","3","4","1") = "6"
    & skf18("3","7","4","2","3","5","1") = "6"
    & skf18("3","7","4","2","3","6","1") = "6"
    & skf18("3","7","4","2","3","7","1") = "6"
    & skf18("3","7","4","2","3","8","1") = "7"
    & skf18("3","7","4","2","3","9","1") = "8"
    & skf18("3","7","4","2","3","10","1") = "9"
    & skf18("3","7","4","2","4","1","1") = "6"
    & skf18("3","7","4","2","4","2","1") = "6"
    & skf18("3","7","4","2","4","3","1") = "6"
    & skf18("3","7","4","2","4","4","1") = "6"
    & skf18("3","7","4","2","4","5","1") = "6"
    & skf18("3","7","4","2","4","6","1") = "6"
    & skf18("3","7","4","2","4","7","1") = "6"
    & skf18("3","7","4","2","4","8","1") = "7"
    & skf18("3","7","4","2","4","9","1") = "8"
    & skf18("3","7","4","2","4","10","1") = "9"
    & skf18("3","7","4","2","5","1","1") = "6"
    & skf18("3","7","4","2","5","2","1") = "6"
    & skf18("3","7","4","2","5","3","1") = "6"
    & skf18("3","7","4","2","5","4","1") = "6"
    & skf18("3","7","4","2","5","5","1") = "6"
    & skf18("3","7","4","2","5","6","1") = "6"
    & skf18("3","7","4","2","5","7","1") = "6"
    & skf18("3","7","4","2","5","8","1") = "7"
    & skf18("3","7","4","2","5","9","1") = "8"
    & skf18("3","7","4","2","5","10","1") = "9"
    & skf18("3","7","4","2","6","1","1") = "6"
    & skf18("3","7","4","2","6","2","1") = "6"
    & skf18("3","7","4","2","6","3","1") = "6"
    & skf18("3","7","4","2","6","4","1") = "6"
    & skf18("3","7","4","2","6","5","1") = "6"
    & skf18("3","7","4","2","6","6","1") = "6"
    & skf18("3","7","4","2","6","7","1") = "6"
    & skf18("3","7","4","2","6","8","1") = "7"
    & skf18("3","7","4","2","6","9","1") = "8"
    & skf18("3","7","4","2","6","10","1") = "9"
    & skf18("3","7","4","2","7","1","1") = "6"
    & skf18("3","7","4","2","7","2","1") = "6"
    & skf18("3","7","4","2","7","3","1") = "6"
    & skf18("3","7","4","2","7","4","1") = "6"
    & skf18("3","7","4","2","7","5","1") = "6"
    & skf18("3","7","4","2","7","6","1") = "6"
    & skf18("3","7","4","2","7","7","1") = "6"
    & skf18("3","7","4","2","7","8","1") = "7"
    & skf18("3","7","4","2","7","9","1") = "8"
    & skf18("3","7","4","2","7","10","1") = "9"
    & skf18("3","7","4","2","8","1","1") = "7"
    & skf18("3","7","4","2","8","2","1") = "7"
    & skf18("3","7","4","2","8","3","1") = "7"
    & skf18("3","7","4","2","8","4","1") = "7"
    & skf18("3","7","4","2","8","5","1") = "7"
    & skf18("3","7","4","2","8","6","1") = "7"
    & skf18("3","7","4","2","8","7","1") = "7"
    & skf18("3","7","4","2","8","8","1") = "7"
    & skf18("3","7","4","2","8","9","1") = "8"
    & skf18("3","7","4","2","8","10","1") = "9"
    & skf18("3","7","4","2","9","1","1") = "8"
    & skf18("3","7","4","2","9","2","1") = "8"
    & skf18("3","7","4","2","9","3","1") = "8"
    & skf18("3","7","4","2","9","4","1") = "8"
    & skf18("3","7","4","2","9","5","1") = "8"
    & skf18("3","7","4","2","9","6","1") = "8"
    & skf18("3","7","4","2","9","7","1") = "8"
    & skf18("3","7","4","2","9","8","1") = "8"
    & skf18("3","7","4","2","9","9","1") = "8"
    & skf18("3","7","4","2","9","10","1") = "9"
    & skf18("3","7","4","2","10","1","1") = "9"
    & skf18("3","7","4","2","10","2","1") = "9"
    & skf18("3","7","4","2","10","3","1") = "9"
    & skf18("3","7","4","2","10","4","1") = "9"
    & skf18("3","7","4","2","10","5","1") = "9"
    & skf18("3","7","4","2","10","6","1") = "9"
    & skf18("3","7","4","2","10","7","1") = "9"
    & skf18("3","7","4","2","10","8","1") = "9"
    & skf18("3","7","4","2","10","9","1") = "9"
    & skf18("3","7","4","2","10","10","1") = "9"
    & skf18("3","7","4","3","1","1","1") = "6"
    & skf18("3","7","4","3","1","2","1") = "6"
    & skf18("3","7","4","3","1","3","1") = "6"
    & skf18("3","7","4","3","1","4","1") = "6"
    & skf18("3","7","4","3","1","5","1") = "6"
    & skf18("3","7","4","3","1","6","1") = "6"
    & skf18("3","7","4","3","1","7","1") = "6"
    & skf18("3","7","4","3","1","8","1") = "7"
    & skf18("3","7","4","3","1","9","1") = "8"
    & skf18("3","7","4","3","1","10","1") = "9"
    & skf18("3","7","4","3","2","1","1") = "6"
    & skf18("3","7","4","3","2","2","1") = "6"
    & skf18("3","7","4","3","2","3","1") = "6"
    & skf18("3","7","4","3","2","4","1") = "6"
    & skf18("3","7","4","3","2","5","1") = "6"
    & skf18("3","7","4","3","2","6","1") = "6"
    & skf18("3","7","4","3","2","7","1") = "6"
    & skf18("3","7","4","3","2","8","1") = "7"
    & skf18("3","7","4","3","2","9","1") = "8"
    & skf18("3","7","4","3","2","10","1") = "9"
    & skf18("3","7","4","3","3","1","1") = "6"
    & skf18("3","7","4","3","3","2","1") = "6"
    & skf18("3","7","4","3","3","3","1") = "6"
    & skf18("3","7","4","3","3","4","1") = "6"
    & skf18("3","7","4","3","3","5","1") = "6"
    & skf18("3","7","4","3","3","6","1") = "6"
    & skf18("3","7","4","3","3","7","1") = "6"
    & skf18("3","7","4","3","3","8","1") = "7"
    & skf18("3","7","4","3","3","9","1") = "8"
    & skf18("3","7","4","3","3","10","1") = "9"
    & skf18("3","7","4","3","4","1","1") = "6"
    & skf18("3","7","4","3","4","2","1") = "6"
    & skf18("3","7","4","3","4","3","1") = "6"
    & skf18("3","7","4","3","4","4","1") = "6"
    & skf18("3","7","4","3","4","5","1") = "6"
    & skf18("3","7","4","3","4","6","1") = "6"
    & skf18("3","7","4","3","4","7","1") = "6"
    & skf18("3","7","4","3","4","8","1") = "7"
    & skf18("3","7","4","3","4","9","1") = "8"
    & skf18("3","7","4","3","4","10","1") = "9"
    & skf18("3","7","4","3","5","1","1") = "6"
    & skf18("3","7","4","3","5","2","1") = "6"
    & skf18("3","7","4","3","5","3","1") = "6"
    & skf18("3","7","4","3","5","4","1") = "6"
    & skf18("3","7","4","3","5","5","1") = "6"
    & skf18("3","7","4","3","5","6","1") = "6"
    & skf18("3","7","4","3","5","7","1") = "6"
    & skf18("3","7","4","3","5","8","1") = "7"
    & skf18("3","7","4","3","5","9","1") = "8"
    & skf18("3","7","4","3","5","10","1") = "9"
    & skf18("3","7","4","3","6","1","1") = "6"
    & skf18("3","7","4","3","6","2","1") = "6"
    & skf18("3","7","4","3","6","3","1") = "6"
    & skf18("3","7","4","3","6","4","1") = "6"
    & skf18("3","7","4","3","6","5","1") = "6"
    & skf18("3","7","4","3","6","6","1") = "6"
    & skf18("3","7","4","3","6","7","1") = "6"
    & skf18("3","7","4","3","6","8","1") = "7"
    & skf18("3","7","4","3","6","9","1") = "8"
    & skf18("3","7","4","3","6","10","1") = "9"
    & skf18("3","7","4","3","7","1","1") = "6"
    & skf18("3","7","4","3","7","2","1") = "6"
    & skf18("3","7","4","3","7","3","1") = "6"
    & skf18("3","7","4","3","7","4","1") = "6"
    & skf18("3","7","4","3","7","5","1") = "6"
    & skf18("3","7","4","3","7","6","1") = "6"
    & skf18("3","7","4","3","7","7","1") = "6"
    & skf18("3","7","4","3","7","8","1") = "7"
    & skf18("3","7","4","3","7","9","1") = "8"
    & skf18("3","7","4","3","7","10","1") = "9"
    & skf18("3","7","4","3","8","1","1") = "7"
    & skf18("3","7","4","3","8","2","1") = "7"
    & skf18("3","7","4","3","8","3","1") = "7"
    & skf18("3","7","4","3","8","4","1") = "7"
    & skf18("3","7","4","3","8","5","1") = "7"
    & skf18("3","7","4","3","8","6","1") = "7"
    & skf18("3","7","4","3","8","7","1") = "7"
    & skf18("3","7","4","3","8","8","1") = "7"
    & skf18("3","7","4","3","8","9","1") = "8"
    & skf18("3","7","4","3","8","10","1") = "9"
    & skf18("3","7","4","3","9","1","1") = "8"
    & skf18("3","7","4","3","9","2","1") = "8"
    & skf18("3","7","4","3","9","3","1") = "8"
    & skf18("3","7","4","3","9","4","1") = "8"
    & skf18("3","7","4","3","9","5","1") = "8"
    & skf18("3","7","4","3","9","6","1") = "8"
    & skf18("3","7","4","3","9","7","1") = "8"
    & skf18("3","7","4","3","9","8","1") = "8"
    & skf18("3","7","4","3","9","9","1") = "8"
    & skf18("3","7","4","3","9","10","1") = "9"
    & skf18("3","7","4","3","10","1","1") = "9"
    & skf18("3","7","4","3","10","2","1") = "9"
    & skf18("3","7","4","3","10","3","1") = "9"
    & skf18("3","7","4","3","10","4","1") = "9"
    & skf18("3","7","4","3","10","5","1") = "9"
    & skf18("3","7","4","3","10","6","1") = "9"
    & skf18("3","7","4","3","10","7","1") = "9"
    & skf18("3","7","4","3","10","8","1") = "9"
    & skf18("3","7","4","3","10","9","1") = "9"
    & skf18("3","7","4","3","10","10","1") = "9"
    & skf18("3","7","4","4","1","1","1") = "6"
    & skf18("3","7","4","4","1","2","1") = "6"
    & skf18("3","7","4","4","1","3","1") = "6"
    & skf18("3","7","4","4","1","4","1") = "6"
    & skf18("3","7","4","4","1","5","1") = "6"
    & skf18("3","7","4","4","1","6","1") = "6"
    & skf18("3","7","4","4","1","7","1") = "6"
    & skf18("3","7","4","4","1","8","1") = "7"
    & skf18("3","7","4","4","1","9","1") = "8"
    & skf18("3","7","4","4","1","10","1") = "9"
    & skf18("3","7","4","4","2","1","1") = "6"
    & skf18("3","7","4","4","2","2","1") = "6"
    & skf18("3","7","4","4","2","3","1") = "6"
    & skf18("3","7","4","4","2","4","1") = "6"
    & skf18("3","7","4","4","2","5","1") = "6"
    & skf18("3","7","4","4","2","6","1") = "6"
    & skf18("3","7","4","4","2","7","1") = "6"
    & skf18("3","7","4","4","2","8","1") = "7"
    & skf18("3","7","4","4","2","9","1") = "8"
    & skf18("3","7","4","4","2","10","1") = "9"
    & skf18("3","7","4","4","3","1","1") = "6"
    & skf18("3","7","4","4","3","2","1") = "6"
    & skf18("3","7","4","4","3","3","1") = "6"
    & skf18("3","7","4","4","3","4","1") = "6"
    & skf18("3","7","4","4","3","5","1") = "6"
    & skf18("3","7","4","4","3","6","1") = "6"
    & skf18("3","7","4","4","3","7","1") = "6"
    & skf18("3","7","4","4","3","8","1") = "7"
    & skf18("3","7","4","4","3","9","1") = "8"
    & skf18("3","7","4","4","3","10","1") = "9"
    & skf18("3","7","4","4","4","1","1") = "6"
    & skf18("3","7","4","4","4","2","1") = "6"
    & skf18("3","7","4","4","4","3","1") = "6"
    & skf18("3","7","4","4","4","4","1") = "6"
    & skf18("3","7","4","4","4","5","1") = "6"
    & skf18("3","7","4","4","4","6","1") = "6"
    & skf18("3","7","4","4","4","7","1") = "6"
    & skf18("3","7","4","4","4","8","1") = "7"
    & skf18("3","7","4","4","4","9","1") = "8"
    & skf18("3","7","4","4","4","10","1") = "9"
    & skf18("3","7","4","4","5","1","1") = "6"
    & skf18("3","7","4","4","5","2","1") = "6"
    & skf18("3","7","4","4","5","3","1") = "6"
    & skf18("3","7","4","4","5","4","1") = "6"
    & skf18("3","7","4","4","5","5","1") = "6"
    & skf18("3","7","4","4","5","6","1") = "6"
    & skf18("3","7","4","4","5","7","1") = "6"
    & skf18("3","7","4","4","5","8","1") = "7"
    & skf18("3","7","4","4","5","9","1") = "8"
    & skf18("3","7","4","4","5","10","1") = "9"
    & skf18("3","7","4","4","6","1","1") = "6"
    & skf18("3","7","4","4","6","2","1") = "6"
    & skf18("3","7","4","4","6","3","1") = "6"
    & skf18("3","7","4","4","6","4","1") = "6"
    & skf18("3","7","4","4","6","5","1") = "6"
    & skf18("3","7","4","4","6","6","1") = "6"
    & skf18("3","7","4","4","6","7","1") = "6"
    & skf18("3","7","4","4","6","8","1") = "7"
    & skf18("3","7","4","4","6","9","1") = "8"
    & skf18("3","7","4","4","6","10","1") = "9"
    & skf18("3","7","4","4","7","1","1") = "6"
    & skf18("3","7","4","4","7","2","1") = "6"
    & skf18("3","7","4","4","7","3","1") = "6"
    & skf18("3","7","4","4","7","4","1") = "6"
    & skf18("3","7","4","4","7","5","1") = "6"
    & skf18("3","7","4","4","7","6","1") = "6"
    & skf18("3","7","4","4","7","7","1") = "6"
    & skf18("3","7","4","4","7","8","1") = "7"
    & skf18("3","7","4","4","7","9","1") = "8"
    & skf18("3","7","4","4","7","10","1") = "9"
    & skf18("3","7","4","4","8","1","1") = "7"
    & skf18("3","7","4","4","8","2","1") = "7"
    & skf18("3","7","4","4","8","3","1") = "7"
    & skf18("3","7","4","4","8","4","1") = "7"
    & skf18("3","7","4","4","8","5","1") = "7"
    & skf18("3","7","4","4","8","6","1") = "7"
    & skf18("3","7","4","4","8","7","1") = "7"
    & skf18("3","7","4","4","8","8","1") = "7"
    & skf18("3","7","4","4","8","9","1") = "8"
    & skf18("3","7","4","4","8","10","1") = "9"
    & skf18("3","7","4","4","9","1","1") = "8"
    & skf18("3","7","4","4","9","2","1") = "8"
    & skf18("3","7","4","4","9","3","1") = "8"
    & skf18("3","7","4","4","9","4","1") = "8"
    & skf18("3","7","4","4","9","5","1") = "8"
    & skf18("3","7","4","4","9","6","1") = "8"
    & skf18("3","7","4","4","9","7","1") = "8"
    & skf18("3","7","4","4","9","8","1") = "8"
    & skf18("3","7","4","4","9","9","1") = "8"
    & skf18("3","7","4","4","9","10","1") = "9"
    & skf18("3","7","4","4","10","1","1") = "9"
    & skf18("3","7","4","4","10","2","1") = "9"
    & skf18("3","7","4","4","10","3","1") = "9"
    & skf18("3","7","4","4","10","4","1") = "9"
    & skf18("3","7","4","4","10","5","1") = "9"
    & skf18("3","7","4","4","10","6","1") = "9"
    & skf18("3","7","4","4","10","7","1") = "9"
    & skf18("3","7","4","4","10","8","1") = "9"
    & skf18("3","7","4","4","10","9","1") = "9"
    & skf18("3","7","4","4","10","10","1") = "9"
    & skf18("3","7","4","5","1","1","1") = "6"
    & skf18("3","7","4","5","1","2","1") = "6"
    & skf18("3","7","4","5","1","3","1") = "6"
    & skf18("3","7","4","5","1","4","1") = "6"
    & skf18("3","7","4","5","1","5","1") = "6"
    & skf18("3","7","4","5","1","6","1") = "6"
    & skf18("3","7","4","5","1","7","1") = "6"
    & skf18("3","7","4","5","1","8","1") = "7"
    & skf18("3","7","4","5","1","9","1") = "8"
    & skf18("3","7","4","5","1","10","1") = "9"
    & skf18("3","7","4","5","2","1","1") = "6"
    & skf18("3","7","4","5","2","2","1") = "6"
    & skf18("3","7","4","5","2","3","1") = "6"
    & skf18("3","7","4","5","2","4","1") = "6"
    & skf18("3","7","4","5","2","5","1") = "6"
    & skf18("3","7","4","5","2","6","1") = "6"
    & skf18("3","7","4","5","2","7","1") = "6"
    & skf18("3","7","4","5","2","8","1") = "7"
    & skf18("3","7","4","5","2","9","1") = "8"
    & skf18("3","7","4","5","2","10","1") = "9"
    & skf18("3","7","4","5","3","1","1") = "6"
    & skf18("3","7","4","5","3","2","1") = "6"
    & skf18("3","7","4","5","3","3","1") = "6"
    & skf18("3","7","4","5","3","4","1") = "6"
    & skf18("3","7","4","5","3","5","1") = "6"
    & skf18("3","7","4","5","3","6","1") = "6"
    & skf18("3","7","4","5","3","7","1") = "6"
    & skf18("3","7","4","5","3","8","1") = "7"
    & skf18("3","7","4","5","3","9","1") = "8"
    & skf18("3","7","4","5","3","10","1") = "9"
    & skf18("3","7","4","5","4","1","1") = "6"
    & skf18("3","7","4","5","4","2","1") = "6"
    & skf18("3","7","4","5","4","3","1") = "6"
    & skf18("3","7","4","5","4","4","1") = "6"
    & skf18("3","7","4","5","4","5","1") = "6"
    & skf18("3","7","4","5","4","6","1") = "6"
    & skf18("3","7","4","5","4","7","1") = "6"
    & skf18("3","7","4","5","4","8","1") = "7"
    & skf18("3","7","4","5","4","9","1") = "8"
    & skf18("3","7","4","5","4","10","1") = "9"
    & skf18("3","7","4","5","5","1","1") = "6"
    & skf18("3","7","4","5","5","2","1") = "6"
    & skf18("3","7","4","5","5","3","1") = "6"
    & skf18("3","7","4","5","5","4","1") = "6"
    & skf18("3","7","4","5","5","5","1") = "6"
    & skf18("3","7","4","5","5","6","1") = "6"
    & skf18("3","7","4","5","5","7","1") = "6"
    & skf18("3","7","4","5","5","8","1") = "7"
    & skf18("3","7","4","5","5","9","1") = "8"
    & skf18("3","7","4","5","5","10","1") = "9"
    & skf18("3","7","4","5","6","1","1") = "6"
    & skf18("3","7","4","5","6","2","1") = "6"
    & skf18("3","7","4","5","6","3","1") = "6"
    & skf18("3","7","4","5","6","4","1") = "6"
    & skf18("3","7","4","5","6","5","1") = "6"
    & skf18("3","7","4","5","6","6","1") = "6"
    & skf18("3","7","4","5","6","7","1") = "6"
    & skf18("3","7","4","5","6","8","1") = "7"
    & skf18("3","7","4","5","6","9","1") = "8"
    & skf18("3","7","4","5","6","10","1") = "9"
    & skf18("3","7","4","5","7","1","1") = "6"
    & skf18("3","7","4","5","7","2","1") = "6"
    & skf18("3","7","4","5","7","3","1") = "6"
    & skf18("3","7","4","5","7","4","1") = "6"
    & skf18("3","7","4","5","7","5","1") = "6"
    & skf18("3","7","4","5","7","6","1") = "6"
    & skf18("3","7","4","5","7","7","1") = "6"
    & skf18("3","7","4","5","7","8","1") = "7"
    & skf18("3","7","4","5","7","9","1") = "8"
    & skf18("3","7","4","5","7","10","1") = "9"
    & skf18("3","7","4","5","8","1","1") = "7"
    & skf18("3","7","4","5","8","2","1") = "7"
    & skf18("3","7","4","5","8","3","1") = "7"
    & skf18("3","7","4","5","8","4","1") = "7"
    & skf18("3","7","4","5","8","5","1") = "7"
    & skf18("3","7","4","5","8","6","1") = "7"
    & skf18("3","7","4","5","8","7","1") = "7"
    & skf18("3","7","4","5","8","8","1") = "7"
    & skf18("3","7","4","5","8","9","1") = "8"
    & skf18("3","7","4","5","8","10","1") = "9"
    & skf18("3","7","4","5","9","1","1") = "8"
    & skf18("3","7","4","5","9","2","1") = "8"
    & skf18("3","7","4","5","9","3","1") = "8"
    & skf18("3","7","4","5","9","4","1") = "8"
    & skf18("3","7","4","5","9","5","1") = "8"
    & skf18("3","7","4","5","9","6","1") = "8"
    & skf18("3","7","4","5","9","7","1") = "8"
    & skf18("3","7","4","5","9","8","1") = "8"
    & skf18("3","7","4","5","9","9","1") = "8"
    & skf18("3","7","4","5","9","10","1") = "9"
    & skf18("3","7","4","5","10","1","1") = "9"
    & skf18("3","7","4","5","10","2","1") = "9"
    & skf18("3","7","4","5","10","3","1") = "9"
    & skf18("3","7","4","5","10","4","1") = "9"
    & skf18("3","7","4","5","10","5","1") = "9"
    & skf18("3","7","4","5","10","6","1") = "9"
    & skf18("3","7","4","5","10","7","1") = "9"
    & skf18("3","7","4","5","10","8","1") = "9"
    & skf18("3","7","4","5","10","9","1") = "9"
    & skf18("3","7","4","5","10","10","1") = "9"
    & skf18("3","7","4","6","1","1","1") = "6"
    & skf18("3","7","4","6","1","2","1") = "6"
    & skf18("3","7","4","6","1","3","1") = "6"
    & skf18("3","7","4","6","1","4","1") = "6"
    & skf18("3","7","4","6","1","5","1") = "6"
    & skf18("3","7","4","6","1","6","1") = "6"
    & skf18("3","7","4","6","1","7","1") = "6"
    & skf18("3","7","4","6","1","8","1") = "7"
    & skf18("3","7","4","6","1","9","1") = "8"
    & skf18("3","7","4","6","1","10","1") = "9"
    & skf18("3","7","4","6","2","1","1") = "6"
    & skf18("3","7","4","6","2","2","1") = "6"
    & skf18("3","7","4","6","2","3","1") = "6"
    & skf18("3","7","4","6","2","4","1") = "6"
    & skf18("3","7","4","6","2","5","1") = "6"
    & skf18("3","7","4","6","2","6","1") = "6"
    & skf18("3","7","4","6","2","7","1") = "6"
    & skf18("3","7","4","6","2","8","1") = "7"
    & skf18("3","7","4","6","2","9","1") = "8"
    & skf18("3","7","4","6","2","10","1") = "9"
    & skf18("3","7","4","6","3","1","1") = "6"
    & skf18("3","7","4","6","3","2","1") = "6"
    & skf18("3","7","4","6","3","3","1") = "6"
    & skf18("3","7","4","6","3","4","1") = "6"
    & skf18("3","7","4","6","3","5","1") = "6"
    & skf18("3","7","4","6","3","6","1") = "6"
    & skf18("3","7","4","6","3","7","1") = "6"
    & skf18("3","7","4","6","3","8","1") = "7"
    & skf18("3","7","4","6","3","9","1") = "8"
    & skf18("3","7","4","6","3","10","1") = "9"
    & skf18("3","7","4","6","4","1","1") = "6"
    & skf18("3","7","4","6","4","2","1") = "6"
    & skf18("3","7","4","6","4","3","1") = "6"
    & skf18("3","7","4","6","4","4","1") = "6"
    & skf18("3","7","4","6","4","5","1") = "6"
    & skf18("3","7","4","6","4","6","1") = "6"
    & skf18("3","7","4","6","4","7","1") = "6"
    & skf18("3","7","4","6","4","8","1") = "7"
    & skf18("3","7","4","6","4","9","1") = "8"
    & skf18("3","7","4","6","4","10","1") = "9"
    & skf18("3","7","4","6","5","1","1") = "6"
    & skf18("3","7","4","6","5","2","1") = "6"
    & skf18("3","7","4","6","5","3","1") = "6"
    & skf18("3","7","4","6","5","4","1") = "6"
    & skf18("3","7","4","6","5","5","1") = "6"
    & skf18("3","7","4","6","5","6","1") = "6"
    & skf18("3","7","4","6","5","7","1") = "6"
    & skf18("3","7","4","6","5","8","1") = "7"
    & skf18("3","7","4","6","5","9","1") = "8"
    & skf18("3","7","4","6","5","10","1") = "9"
    & skf18("3","7","4","6","6","1","1") = "6"
    & skf18("3","7","4","6","6","2","1") = "6"
    & skf18("3","7","4","6","6","3","1") = "6"
    & skf18("3","7","4","6","6","4","1") = "6"
    & skf18("3","7","4","6","6","5","1") = "6"
    & skf18("3","7","4","6","6","6","1") = "6"
    & skf18("3","7","4","6","6","7","1") = "6"
    & skf18("3","7","4","6","6","8","1") = "7"
    & skf18("3","7","4","6","6","9","1") = "8"
    & skf18("3","7","4","6","6","10","1") = "9"
    & skf18("3","7","4","6","7","1","1") = "6"
    & skf18("3","7","4","6","7","2","1") = "6"
    & skf18("3","7","4","6","7","3","1") = "6"
    & skf18("3","7","4","6","7","4","1") = "6"
    & skf18("3","7","4","6","7","5","1") = "6"
    & skf18("3","7","4","6","7","6","1") = "6"
    & skf18("3","7","4","6","7","7","1") = "6"
    & skf18("3","7","4","6","7","8","1") = "7"
    & skf18("3","7","4","6","7","9","1") = "8"
    & skf18("3","7","4","6","7","10","1") = "9"
    & skf18("3","7","4","6","8","1","1") = "7"
    & skf18("3","7","4","6","8","2","1") = "7"
    & skf18("3","7","4","6","8","3","1") = "7"
    & skf18("3","7","4","6","8","4","1") = "7"
    & skf18("3","7","4","6","8","5","1") = "7"
    & skf18("3","7","4","6","8","6","1") = "7"
    & skf18("3","7","4","6","8","7","1") = "7"
    & skf18("3","7","4","6","8","8","1") = "7"
    & skf18("3","7","4","6","8","9","1") = "8"
    & skf18("3","7","4","6","8","10","1") = "9"
    & skf18("3","7","4","6","9","1","1") = "8"
    & skf18("3","7","4","6","9","2","1") = "8"
    & skf18("3","7","4","6","9","3","1") = "8"
    & skf18("3","7","4","6","9","4","1") = "8"
    & skf18("3","7","4","6","9","5","1") = "8"
    & skf18("3","7","4","6","9","6","1") = "8"
    & skf18("3","7","4","6","9","7","1") = "8"
    & skf18("3","7","4","6","9","8","1") = "8"
    & skf18("3","7","4","6","9","9","1") = "8"
    & skf18("3","7","4","6","9","10","1") = "9"
    & skf18("3","7","4","6","10","1","1") = "9"
    & skf18("3","7","4","6","10","2","1") = "9"
    & skf18("3","7","4","6","10","3","1") = "9"
    & skf18("3","7","4","6","10","4","1") = "9"
    & skf18("3","7","4","6","10","5","1") = "9"
    & skf18("3","7","4","6","10","6","1") = "9"
    & skf18("3","7","4","6","10","7","1") = "9"
    & skf18("3","7","4","6","10","8","1") = "9"
    & skf18("3","7","4","6","10","9","1") = "9"
    & skf18("3","7","4","6","10","10","1") = "9"
    & skf18("3","7","4","7","1","1","1") = "6"
    & skf18("3","7","4","7","1","2","1") = "6"
    & skf18("3","7","4","7","1","3","1") = "6"
    & skf18("3","7","4","7","1","4","1") = "6"
    & skf18("3","7","4","7","1","5","1") = "6"
    & skf18("3","7","4","7","1","6","1") = "6"
    & skf18("3","7","4","7","1","7","1") = "6"
    & skf18("3","7","4","7","1","8","1") = "7"
    & skf18("3","7","4","7","1","9","1") = "8"
    & skf18("3","7","4","7","1","10","1") = "9"
    & skf18("3","7","4","7","2","1","1") = "6"
    & skf18("3","7","4","7","2","2","1") = "6"
    & skf18("3","7","4","7","2","3","1") = "6"
    & skf18("3","7","4","7","2","4","1") = "6"
    & skf18("3","7","4","7","2","5","1") = "6"
    & skf18("3","7","4","7","2","6","1") = "6"
    & skf18("3","7","4","7","2","7","1") = "6"
    & skf18("3","7","4","7","2","8","1") = "7"
    & skf18("3","7","4","7","2","9","1") = "8"
    & skf18("3","7","4","7","2","10","1") = "9"
    & skf18("3","7","4","7","3","1","1") = "6"
    & skf18("3","7","4","7","3","2","1") = "6"
    & skf18("3","7","4","7","3","3","1") = "6"
    & skf18("3","7","4","7","3","4","1") = "6"
    & skf18("3","7","4","7","3","5","1") = "6"
    & skf18("3","7","4","7","3","6","1") = "6"
    & skf18("3","7","4","7","3","7","1") = "6"
    & skf18("3","7","4","7","3","8","1") = "7"
    & skf18("3","7","4","7","3","9","1") = "8"
    & skf18("3","7","4","7","3","10","1") = "9"
    & skf18("3","7","4","7","4","1","1") = "6"
    & skf18("3","7","4","7","4","2","1") = "6"
    & skf18("3","7","4","7","4","3","1") = "6"
    & skf18("3","7","4","7","4","4","1") = "6"
    & skf18("3","7","4","7","4","5","1") = "6"
    & skf18("3","7","4","7","4","6","1") = "6"
    & skf18("3","7","4","7","4","7","1") = "6"
    & skf18("3","7","4","7","4","8","1") = "7"
    & skf18("3","7","4","7","4","9","1") = "8"
    & skf18("3","7","4","7","4","10","1") = "9"
    & skf18("3","7","4","7","5","1","1") = "6"
    & skf18("3","7","4","7","5","2","1") = "6"
    & skf18("3","7","4","7","5","3","1") = "6"
    & skf18("3","7","4","7","5","4","1") = "6"
    & skf18("3","7","4","7","5","5","1") = "6"
    & skf18("3","7","4","7","5","6","1") = "6"
    & skf18("3","7","4","7","5","7","1") = "6"
    & skf18("3","7","4","7","5","8","1") = "7"
    & skf18("3","7","4","7","5","9","1") = "8"
    & skf18("3","7","4","7","5","10","1") = "9"
    & skf18("3","7","4","7","6","1","1") = "6"
    & skf18("3","7","4","7","6","2","1") = "6"
    & skf18("3","7","4","7","6","3","1") = "6"
    & skf18("3","7","4","7","6","4","1") = "6"
    & skf18("3","7","4","7","6","5","1") = "6"
    & skf18("3","7","4","7","6","6","1") = "6"
    & skf18("3","7","4","7","6","7","1") = "6"
    & skf18("3","7","4","7","6","8","1") = "7"
    & skf18("3","7","4","7","6","9","1") = "8"
    & skf18("3","7","4","7","6","10","1") = "9"
    & skf18("3","7","4","7","7","1","1") = "6"
    & skf18("3","7","4","7","7","2","1") = "6"
    & skf18("3","7","4","7","7","3","1") = "6"
    & skf18("3","7","4","7","7","4","1") = "6"
    & skf18("3","7","4","7","7","5","1") = "6"
    & skf18("3","7","4","7","7","6","1") = "6"
    & skf18("3","7","4","7","7","7","1") = "6"
    & skf18("3","7","4","7","7","8","1") = "7"
    & skf18("3","7","4","7","7","9","1") = "8"
    & skf18("3","7","4","7","7","10","1") = "9"
    & skf18("3","7","4","7","8","1","1") = "7"
    & skf18("3","7","4","7","8","2","1") = "7"
    & skf18("3","7","4","7","8","3","1") = "7"
    & skf18("3","7","4","7","8","4","1") = "7"
    & skf18("3","7","4","7","8","5","1") = "7"
    & skf18("3","7","4","7","8","6","1") = "7"
    & skf18("3","7","4","7","8","7","1") = "7"
    & skf18("3","7","4","7","8","8","1") = "7"
    & skf18("3","7","4","7","8","9","1") = "8"
    & skf18("3","7","4","7","8","10","1") = "9"
    & skf18("3","7","4","7","9","1","1") = "8"
    & skf18("3","7","4","7","9","2","1") = "8"
    & skf18("3","7","4","7","9","3","1") = "8"
    & skf18("3","7","4","7","9","4","1") = "8"
    & skf18("3","7","4","7","9","5","1") = "8"
    & skf18("3","7","4","7","9","6","1") = "8"
    & skf18("3","7","4","7","9","7","1") = "8"
    & skf18("3","7","4","7","9","8","1") = "8"
    & skf18("3","7","4","7","9","9","1") = "8"
    & skf18("3","7","4","7","9","10","1") = "9"
    & skf18("3","7","4","7","10","1","1") = "9"
    & skf18("3","7","4","7","10","2","1") = "9"
    & skf18("3","7","4","7","10","3","1") = "9"
    & skf18("3","7","4","7","10","4","1") = "9"
    & skf18("3","7","4","7","10","5","1") = "9"
    & skf18("3","7","4","7","10","6","1") = "9"
    & skf18("3","7","4","7","10","7","1") = "9"
    & skf18("3","7","4","7","10","8","1") = "9"
    & skf18("3","7","4","7","10","9","1") = "9"
    & skf18("3","7","4","7","10","10","1") = "9"
    & skf18("3","7","4","8","1","1","1") = "7"
    & skf18("3","7","4","8","1","2","1") = "7"
    & skf18("3","7","4","8","1","3","1") = "7"
    & skf18("3","7","4","8","1","4","1") = "7"
    & skf18("3","7","4","8","1","5","1") = "7"
    & skf18("3","7","4","8","1","6","1") = "7"
    & skf18("3","7","4","8","1","7","1") = "7"
    & skf18("3","7","4","8","1","8","1") = "7"
    & skf18("3","7","4","8","1","9","1") = "8"
    & skf18("3","7","4","8","1","10","1") = "9"
    & skf18("3","7","4","8","2","1","1") = "7"
    & skf18("3","7","4","8","2","2","1") = "7"
    & skf18("3","7","4","8","2","3","1") = "7"
    & skf18("3","7","4","8","2","4","1") = "7"
    & skf18("3","7","4","8","2","5","1") = "7"
    & skf18("3","7","4","8","2","6","1") = "7"
    & skf18("3","7","4","8","2","7","1") = "7"
    & skf18("3","7","4","8","2","8","1") = "7"
    & skf18("3","7","4","8","2","9","1") = "8"
    & skf18("3","7","4","8","2","10","1") = "9"
    & skf18("3","7","4","8","3","1","1") = "7"
    & skf18("3","7","4","8","3","2","1") = "7"
    & skf18("3","7","4","8","3","3","1") = "7"
    & skf18("3","7","4","8","3","4","1") = "7"
    & skf18("3","7","4","8","3","5","1") = "7"
    & skf18("3","7","4","8","3","6","1") = "7"
    & skf18("3","7","4","8","3","7","1") = "7"
    & skf18("3","7","4","8","3","8","1") = "7"
    & skf18("3","7","4","8","3","9","1") = "8"
    & skf18("3","7","4","8","3","10","1") = "9"
    & skf18("3","7","4","8","4","1","1") = "7"
    & skf18("3","7","4","8","4","2","1") = "7"
    & skf18("3","7","4","8","4","3","1") = "7"
    & skf18("3","7","4","8","4","4","1") = "7"
    & skf18("3","7","4","8","4","5","1") = "7"
    & skf18("3","7","4","8","4","6","1") = "7"
    & skf18("3","7","4","8","4","7","1") = "7"
    & skf18("3","7","4","8","4","8","1") = "7"
    & skf18("3","7","4","8","4","9","1") = "8"
    & skf18("3","7","4","8","4","10","1") = "9"
    & skf18("3","7","4","8","5","1","1") = "7"
    & skf18("3","7","4","8","5","2","1") = "7"
    & skf18("3","7","4","8","5","3","1") = "7"
    & skf18("3","7","4","8","5","4","1") = "7"
    & skf18("3","7","4","8","5","5","1") = "7"
    & skf18("3","7","4","8","5","6","1") = "7"
    & skf18("3","7","4","8","5","7","1") = "7"
    & skf18("3","7","4","8","5","8","1") = "7"
    & skf18("3","7","4","8","5","9","1") = "8"
    & skf18("3","7","4","8","5","10","1") = "9"
    & skf18("3","7","4","8","6","1","1") = "7"
    & skf18("3","7","4","8","6","2","1") = "7"
    & skf18("3","7","4","8","6","3","1") = "7"
    & skf18("3","7","4","8","6","4","1") = "7"
    & skf18("3","7","4","8","6","5","1") = "7"
    & skf18("3","7","4","8","6","6","1") = "7"
    & skf18("3","7","4","8","6","7","1") = "7"
    & skf18("3","7","4","8","6","8","1") = "7"
    & skf18("3","7","4","8","6","9","1") = "8"
    & skf18("3","7","4","8","6","10","1") = "9"
    & skf18("3","7","4","8","7","1","1") = "7"
    & skf18("3","7","4","8","7","2","1") = "7"
    & skf18("3","7","4","8","7","3","1") = "7"
    & skf18("3","7","4","8","7","4","1") = "7"
    & skf18("3","7","4","8","7","5","1") = "7"
    & skf18("3","7","4","8","7","6","1") = "7"
    & skf18("3","7","4","8","7","7","1") = "7"
    & skf18("3","7","4","8","7","8","1") = "7"
    & skf18("3","7","4","8","7","9","1") = "8"
    & skf18("3","7","4","8","7","10","1") = "9"
    & skf18("3","7","4","8","8","1","1") = "7"
    & skf18("3","7","4","8","8","2","1") = "7"
    & skf18("3","7","4","8","8","3","1") = "7"
    & skf18("3","7","4","8","8","4","1") = "7"
    & skf18("3","7","4","8","8","5","1") = "7"
    & skf18("3","7","4","8","8","6","1") = "7"
    & skf18("3","7","4","8","8","7","1") = "7"
    & skf18("3","7","4","8","8","8","1") = "7"
    & skf18("3","7","4","8","8","9","1") = "8"
    & skf18("3","7","4","8","8","10","1") = "9"
    & skf18("3","7","4","8","9","1","1") = "8"
    & skf18("3","7","4","8","9","2","1") = "8"
    & skf18("3","7","4","8","9","3","1") = "8"
    & skf18("3","7","4","8","9","4","1") = "8"
    & skf18("3","7","4","8","9","5","1") = "8"
    & skf18("3","7","4","8","9","6","1") = "8"
    & skf18("3","7","4","8","9","7","1") = "8"
    & skf18("3","7","4","8","9","8","1") = "8"
    & skf18("3","7","4","8","9","9","1") = "8"
    & skf18("3","7","4","8","9","10","1") = "9"
    & skf18("3","7","4","8","10","1","1") = "9"
    & skf18("3","7","4","8","10","2","1") = "9"
    & skf18("3","7","4","8","10","3","1") = "9"
    & skf18("3","7","4","8","10","4","1") = "9"
    & skf18("3","7","4","8","10","5","1") = "9"
    & skf18("3","7","4","8","10","6","1") = "9"
    & skf18("3","7","4","8","10","7","1") = "9"
    & skf18("3","7","4","8","10","8","1") = "9"
    & skf18("3","7","4","8","10","9","1") = "9"
    & skf18("3","7","4","8","10","10","1") = "9"
    & skf18("3","7","4","9","1","1","1") = "8"
    & skf18("3","7","4","9","1","2","1") = "8"
    & skf18("3","7","4","9","1","3","1") = "8"
    & skf18("3","7","4","9","1","4","1") = "8"
    & skf18("3","7","4","9","1","5","1") = "8"
    & skf18("3","7","4","9","1","6","1") = "8"
    & skf18("3","7","4","9","1","7","1") = "8"
    & skf18("3","7","4","9","1","8","1") = "8"
    & skf18("3","7","4","9","1","9","1") = "8"
    & skf18("3","7","4","9","1","10","1") = "9"
    & skf18("3","7","4","9","2","1","1") = "8"
    & skf18("3","7","4","9","2","2","1") = "8"
    & skf18("3","7","4","9","2","3","1") = "8"
    & skf18("3","7","4","9","2","4","1") = "8"
    & skf18("3","7","4","9","2","5","1") = "8"
    & skf18("3","7","4","9","2","6","1") = "8"
    & skf18("3","7","4","9","2","7","1") = "8"
    & skf18("3","7","4","9","2","8","1") = "8"
    & skf18("3","7","4","9","2","9","1") = "8"
    & skf18("3","7","4","9","2","10","1") = "9"
    & skf18("3","7","4","9","3","1","1") = "8"
    & skf18("3","7","4","9","3","2","1") = "8"
    & skf18("3","7","4","9","3","3","1") = "8"
    & skf18("3","7","4","9","3","4","1") = "8"
    & skf18("3","7","4","9","3","5","1") = "8"
    & skf18("3","7","4","9","3","6","1") = "8"
    & skf18("3","7","4","9","3","7","1") = "8"
    & skf18("3","7","4","9","3","8","1") = "8"
    & skf18("3","7","4","9","3","9","1") = "8"
    & skf18("3","7","4","9","3","10","1") = "9"
    & skf18("3","7","4","9","4","1","1") = "8"
    & skf18("3","7","4","9","4","2","1") = "8"
    & skf18("3","7","4","9","4","3","1") = "8"
    & skf18("3","7","4","9","4","4","1") = "8"
    & skf18("3","7","4","9","4","5","1") = "8"
    & skf18("3","7","4","9","4","6","1") = "8"
    & skf18("3","7","4","9","4","7","1") = "8"
    & skf18("3","7","4","9","4","8","1") = "8"
    & skf18("3","7","4","9","4","9","1") = "8"
    & skf18("3","7","4","9","4","10","1") = "9"
    & skf18("3","7","4","9","5","1","1") = "8"
    & skf18("3","7","4","9","5","2","1") = "8"
    & skf18("3","7","4","9","5","3","1") = "8"
    & skf18("3","7","4","9","5","4","1") = "8"
    & skf18("3","7","4","9","5","5","1") = "8"
    & skf18("3","7","4","9","5","6","1") = "8"
    & skf18("3","7","4","9","5","7","1") = "8"
    & skf18("3","7","4","9","5","8","1") = "8"
    & skf18("3","7","4","9","5","9","1") = "8"
    & skf18("3","7","4","9","5","10","1") = "9"
    & skf18("3","7","4","9","6","1","1") = "8"
    & skf18("3","7","4","9","6","2","1") = "8"
    & skf18("3","7","4","9","6","3","1") = "8"
    & skf18("3","7","4","9","6","4","1") = "8"
    & skf18("3","7","4","9","6","5","1") = "8"
    & skf18("3","7","4","9","6","6","1") = "8"
    & skf18("3","7","4","9","6","7","1") = "8"
    & skf18("3","7","4","9","6","8","1") = "8"
    & skf18("3","7","4","9","6","9","1") = "8"
    & skf18("3","7","4","9","6","10","1") = "9"
    & skf18("3","7","4","9","7","1","1") = "8"
    & skf18("3","7","4","9","7","2","1") = "8"
    & skf18("3","7","4","9","7","3","1") = "8"
    & skf18("3","7","4","9","7","4","1") = "8"
    & skf18("3","7","4","9","7","5","1") = "8"
    & skf18("3","7","4","9","7","6","1") = "8"
    & skf18("3","7","4","9","7","7","1") = "8"
    & skf18("3","7","4","9","7","8","1") = "8"
    & skf18("3","7","4","9","7","9","1") = "8"
    & skf18("3","7","4","9","7","10","1") = "9"
    & skf18("3","7","4","9","8","1","1") = "8"
    & skf18("3","7","4","9","8","2","1") = "8"
    & skf18("3","7","4","9","8","3","1") = "8"
    & skf18("3","7","4","9","8","4","1") = "8"
    & skf18("3","7","4","9","8","5","1") = "8"
    & skf18("3","7","4","9","8","6","1") = "8"
    & skf18("3","7","4","9","8","7","1") = "8"
    & skf18("3","7","4","9","8","8","1") = "8"
    & skf18("3","7","4","9","8","9","1") = "8"
    & skf18("3","7","4","9","8","10","1") = "9"
    & skf18("3","7","4","9","9","1","1") = "8"
    & skf18("3","7","4","9","9","2","1") = "8"
    & skf18("3","7","4","9","9","3","1") = "8"
    & skf18("3","7","4","9","9","4","1") = "8"
    & skf18("3","7","4","9","9","5","1") = "8"
    & skf18("3","7","4","9","9","6","1") = "8"
    & skf18("3","7","4","9","9","7","1") = "8"
    & skf18("3","7","4","9","9","8","1") = "8"
    & skf18("3","7","4","9","9","9","1") = "8"
    & skf18("3","7","4","9","9","10","1") = "9"
    & skf18("3","7","4","9","10","1","1") = "9"
    & skf18("3","7","4","9","10","2","1") = "9"
    & skf18("3","7","4","9","10","3","1") = "9"
    & skf18("3","7","4","9","10","4","1") = "9"
    & skf18("3","7","4","9","10","5","1") = "9"
    & skf18("3","7","4","9","10","6","1") = "9"
    & skf18("3","7","4","9","10","7","1") = "9"
    & skf18("3","7","4","9","10","8","1") = "9"
    & skf18("3","7","4","9","10","9","1") = "9"
    & skf18("3","7","4","9","10","10","1") = "9"
    & skf18("3","7","4","10","1","1","1") = "9"
    & skf18("3","7","4","10","1","2","1") = "9"
    & skf18("3","7","4","10","1","3","1") = "9"
    & skf18("3","7","4","10","1","4","1") = "9"
    & skf18("3","7","4","10","1","5","1") = "9"
    & skf18("3","7","4","10","1","6","1") = "9"
    & skf18("3","7","4","10","1","7","1") = "9"
    & skf18("3","7","4","10","1","8","1") = "9"
    & skf18("3","7","4","10","1","9","1") = "9"
    & skf18("3","7","4","10","1","10","1") = "9"
    & skf18("3","7","4","10","2","1","1") = "9"
    & skf18("3","7","4","10","2","2","1") = "9"
    & skf18("3","7","4","10","2","3","1") = "9"
    & skf18("3","7","4","10","2","4","1") = "9"
    & skf18("3","7","4","10","2","5","1") = "9"
    & skf18("3","7","4","10","2","6","1") = "9"
    & skf18("3","7","4","10","2","7","1") = "9"
    & skf18("3","7","4","10","2","8","1") = "9"
    & skf18("3","7","4","10","2","9","1") = "9"
    & skf18("3","7","4","10","2","10","1") = "9"
    & skf18("3","7","4","10","3","1","1") = "9"
    & skf18("3","7","4","10","3","2","1") = "9"
    & skf18("3","7","4","10","3","3","1") = "9"
    & skf18("3","7","4","10","3","4","1") = "9"
    & skf18("3","7","4","10","3","5","1") = "9"
    & skf18("3","7","4","10","3","6","1") = "9"
    & skf18("3","7","4","10","3","7","1") = "9"
    & skf18("3","7","4","10","3","8","1") = "9"
    & skf18("3","7","4","10","3","9","1") = "9"
    & skf18("3","7","4","10","3","10","1") = "9"
    & skf18("3","7","4","10","4","1","1") = "9"
    & skf18("3","7","4","10","4","2","1") = "9"
    & skf18("3","7","4","10","4","3","1") = "9"
    & skf18("3","7","4","10","4","4","1") = "9"
    & skf18("3","7","4","10","4","5","1") = "9"
    & skf18("3","7","4","10","4","6","1") = "9"
    & skf18("3","7","4","10","4","7","1") = "9"
    & skf18("3","7","4","10","4","8","1") = "9"
    & skf18("3","7","4","10","4","9","1") = "9"
    & skf18("3","7","4","10","4","10","1") = "9"
    & skf18("3","7","4","10","5","1","1") = "9"
    & skf18("3","7","4","10","5","2","1") = "9"
    & skf18("3","7","4","10","5","3","1") = "9"
    & skf18("3","7","4","10","5","4","1") = "9"
    & skf18("3","7","4","10","5","5","1") = "9"
    & skf18("3","7","4","10","5","6","1") = "9"
    & skf18("3","7","4","10","5","7","1") = "9"
    & skf18("3","7","4","10","5","8","1") = "9"
    & skf18("3","7","4","10","5","9","1") = "9"
    & skf18("3","7","4","10","5","10","1") = "9"
    & skf18("3","7","4","10","6","1","1") = "9"
    & skf18("3","7","4","10","6","2","1") = "9"
    & skf18("3","7","4","10","6","3","1") = "9"
    & skf18("3","7","4","10","6","4","1") = "9"
    & skf18("3","7","4","10","6","5","1") = "9"
    & skf18("3","7","4","10","6","6","1") = "9"
    & skf18("3","7","4","10","6","7","1") = "9"
    & skf18("3","7","4","10","6","8","1") = "9"
    & skf18("3","7","4","10","6","9","1") = "9"
    & skf18("3","7","4","10","6","10","1") = "9"
    & skf18("3","7","4","10","7","1","1") = "9"
    & skf18("3","7","4","10","7","2","1") = "9"
    & skf18("3","7","4","10","7","3","1") = "9"
    & skf18("3","7","4","10","7","4","1") = "9"
    & skf18("3","7","4","10","7","5","1") = "9"
    & skf18("3","7","4","10","7","6","1") = "9"
    & skf18("3","7","4","10","7","7","1") = "9"
    & skf18("3","7","4","10","7","8","1") = "9"
    & skf18("3","7","4","10","7","9","1") = "9"
    & skf18("3","7","4","10","7","10","1") = "9"
    & skf18("3","7","4","10","8","1","1") = "9"
    & skf18("3","7","4","10","8","2","1") = "9"
    & skf18("3","7","4","10","8","3","1") = "9"
    & skf18("3","7","4","10","8","4","1") = "9"
    & skf18("3","7","4","10","8","5","1") = "9"
    & skf18("3","7","4","10","8","6","1") = "9"
    & skf18("3","7","4","10","8","7","1") = "9"
    & skf18("3","7","4","10","8","8","1") = "9"
    & skf18("3","7","4","10","8","9","1") = "9"
    & skf18("3","7","4","10","8","10","1") = "9"
    & skf18("3","7","4","10","9","1","1") = "9"
    & skf18("3","7","4","10","9","2","1") = "9"
    & skf18("3","7","4","10","9","3","1") = "9"
    & skf18("3","7","4","10","9","4","1") = "9"
    & skf18("3","7","4","10","9","5","1") = "9"
    & skf18("3","7","4","10","9","6","1") = "9"
    & skf18("3","7","4","10","9","7","1") = "9"
    & skf18("3","7","4","10","9","8","1") = "9"
    & skf18("3","7","4","10","9","9","1") = "9"
    & skf18("3","7","4","10","9","10","1") = "9"
    & skf18("3","7","4","10","10","1","1") = "9"
    & skf18("3","7","4","10","10","2","1") = "9"
    & skf18("3","7","4","10","10","3","1") = "9"
    & skf18("3","7","4","10","10","4","1") = "9"
    & skf18("3","7","4","10","10","5","1") = "9"
    & skf18("3","7","4","10","10","6","1") = "9"
    & skf18("3","7","4","10","10","7","1") = "9"
    & skf18("3","7","4","10","10","8","1") = "9"
    & skf18("3","7","4","10","10","9","1") = "9"
    & skf18("3","7","4","10","10","10","1") = "9"
    & skf18("3","7","5","1","1","1","1") = "6"
    & skf18("3","7","5","1","1","2","1") = "6"
    & skf18("3","7","5","1","1","3","1") = "6"
    & skf18("3","7","5","1","1","4","1") = "6"
    & skf18("3","7","5","1","1","5","1") = "6"
    & skf18("3","7","5","1","1","6","1") = "6"
    & skf18("3","7","5","1","1","7","1") = "6"
    & skf18("3","7","5","1","1","8","1") = "7"
    & skf18("3","7","5","1","1","9","1") = "8"
    & skf18("3","7","5","1","1","10","1") = "9"
    & skf18("3","7","5","1","2","1","1") = "6"
    & skf18("3","7","5","1","2","2","1") = "6"
    & skf18("3","7","5","1","2","3","1") = "6"
    & skf18("3","7","5","1","2","4","1") = "6"
    & skf18("3","7","5","1","2","5","1") = "6"
    & skf18("3","7","5","1","2","6","1") = "6"
    & skf18("3","7","5","1","2","7","1") = "6"
    & skf18("3","7","5","1","2","8","1") = "7"
    & skf18("3","7","5","1","2","9","1") = "8"
    & skf18("3","7","5","1","2","10","1") = "9"
    & skf18("3","7","5","1","3","1","1") = "6"
    & skf18("3","7","5","1","3","2","1") = "6"
    & skf18("3","7","5","1","3","3","1") = "6"
    & skf18("3","7","5","1","3","4","1") = "6"
    & skf18("3","7","5","1","3","5","1") = "6"
    & skf18("3","7","5","1","3","6","1") = "6"
    & skf18("3","7","5","1","3","7","1") = "6"
    & skf18("3","7","5","1","3","8","1") = "7"
    & skf18("3","7","5","1","3","9","1") = "8"
    & skf18("3","7","5","1","3","10","1") = "9"
    & skf18("3","7","5","1","4","1","1") = "6"
    & skf18("3","7","5","1","4","2","1") = "6"
    & skf18("3","7","5","1","4","3","1") = "6"
    & skf18("3","7","5","1","4","4","1") = "6"
    & skf18("3","7","5","1","4","5","1") = "6"
    & skf18("3","7","5","1","4","6","1") = "6"
    & skf18("3","7","5","1","4","7","1") = "6"
    & skf18("3","7","5","1","4","8","1") = "7"
    & skf18("3","7","5","1","4","9","1") = "8"
    & skf18("3","7","5","1","4","10","1") = "9"
    & skf18("3","7","5","1","5","1","1") = "6"
    & skf18("3","7","5","1","5","2","1") = "6"
    & skf18("3","7","5","1","5","3","1") = "6"
    & skf18("3","7","5","1","5","4","1") = "6"
    & skf18("3","7","5","1","5","5","1") = "6"
    & skf18("3","7","5","1","5","6","1") = "6"
    & skf18("3","7","5","1","5","7","1") = "6"
    & skf18("3","7","5","1","5","8","1") = "7"
    & skf18("3","7","5","1","5","9","1") = "8"
    & skf18("3","7","5","1","5","10","1") = "9"
    & skf18("3","7","5","1","6","1","1") = "6"
    & skf18("3","7","5","1","6","2","1") = "6"
    & skf18("3","7","5","1","6","3","1") = "6"
    & skf18("3","7","5","1","6","4","1") = "6"
    & skf18("3","7","5","1","6","5","1") = "6"
    & skf18("3","7","5","1","6","6","1") = "6"
    & skf18("3","7","5","1","6","7","1") = "6"
    & skf18("3","7","5","1","6","8","1") = "7"
    & skf18("3","7","5","1","6","9","1") = "8"
    & skf18("3","7","5","1","6","10","1") = "9"
    & skf18("3","7","5","1","7","1","1") = "6"
    & skf18("3","7","5","1","7","2","1") = "6"
    & skf18("3","7","5","1","7","3","1") = "6"
    & skf18("3","7","5","1","7","4","1") = "6"
    & skf18("3","7","5","1","7","5","1") = "6"
    & skf18("3","7","5","1","7","6","1") = "6"
    & skf18("3","7","5","1","7","7","1") = "6"
    & skf18("3","7","5","1","7","8","1") = "7"
    & skf18("3","7","5","1","7","9","1") = "8"
    & skf18("3","7","5","1","7","10","1") = "9"
    & skf18("3","7","5","1","8","1","1") = "7"
    & skf18("3","7","5","1","8","2","1") = "7"
    & skf18("3","7","5","1","8","3","1") = "7"
    & skf18("3","7","5","1","8","4","1") = "7"
    & skf18("3","7","5","1","8","5","1") = "7"
    & skf18("3","7","5","1","8","6","1") = "7"
    & skf18("3","7","5","1","8","7","1") = "7"
    & skf18("3","7","5","1","8","8","1") = "7"
    & skf18("3","7","5","1","8","9","1") = "8"
    & skf18("3","7","5","1","8","10","1") = "9"
    & skf18("3","7","5","1","9","1","1") = "8"
    & skf18("3","7","5","1","9","2","1") = "8"
    & skf18("3","7","5","1","9","3","1") = "8"
    & skf18("3","7","5","1","9","4","1") = "8"
    & skf18("3","7","5","1","9","5","1") = "8"
    & skf18("3","7","5","1","9","6","1") = "8"
    & skf18("3","7","5","1","9","7","1") = "8"
    & skf18("3","7","5","1","9","8","1") = "8"
    & skf18("3","7","5","1","9","9","1") = "8"
    & skf18("3","7","5","1","9","10","1") = "9"
    & skf18("3","7","5","1","10","1","1") = "9"
    & skf18("3","7","5","1","10","2","1") = "9"
    & skf18("3","7","5","1","10","3","1") = "9"
    & skf18("3","7","5","1","10","4","1") = "9"
    & skf18("3","7","5","1","10","5","1") = "9"
    & skf18("3","7","5","1","10","6","1") = "9"
    & skf18("3","7","5","1","10","7","1") = "9"
    & skf18("3","7","5","1","10","8","1") = "9"
    & skf18("3","7","5","1","10","9","1") = "9"
    & skf18("3","7","5","1","10","10","1") = "9"
    & skf18("3","7","5","2","1","1","1") = "6"
    & skf18("3","7","5","2","1","2","1") = "6"
    & skf18("3","7","5","2","1","3","1") = "6"
    & skf18("3","7","5","2","1","4","1") = "6"
    & skf18("3","7","5","2","1","5","1") = "6"
    & skf18("3","7","5","2","1","6","1") = "6"
    & skf18("3","7","5","2","1","7","1") = "6"
    & skf18("3","7","5","2","1","8","1") = "7"
    & skf18("3","7","5","2","1","9","1") = "8"
    & skf18("3","7","5","2","1","10","1") = "9"
    & skf18("3","7","5","2","2","1","1") = "6"
    & skf18("3","7","5","2","2","2","1") = "6"
    & skf18("3","7","5","2","2","3","1") = "6"
    & skf18("3","7","5","2","2","4","1") = "6"
    & skf18("3","7","5","2","2","5","1") = "6"
    & skf18("3","7","5","2","2","6","1") = "6"
    & skf18("3","7","5","2","2","7","1") = "6"
    & skf18("3","7","5","2","2","8","1") = "7"
    & skf18("3","7","5","2","2","9","1") = "8"
    & skf18("3","7","5","2","2","10","1") = "9"
    & skf18("3","7","5","2","3","1","1") = "6"
    & skf18("3","7","5","2","3","2","1") = "6"
    & skf18("3","7","5","2","3","3","1") = "6"
    & skf18("3","7","5","2","3","4","1") = "6"
    & skf18("3","7","5","2","3","5","1") = "6"
    & skf18("3","7","5","2","3","6","1") = "6"
    & skf18("3","7","5","2","3","7","1") = "6"
    & skf18("3","7","5","2","3","8","1") = "7"
    & skf18("3","7","5","2","3","9","1") = "8"
    & skf18("3","7","5","2","3","10","1") = "9"
    & skf18("3","7","5","2","4","1","1") = "6"
    & skf18("3","7","5","2","4","2","1") = "6"
    & skf18("3","7","5","2","4","3","1") = "6"
    & skf18("3","7","5","2","4","4","1") = "6"
    & skf18("3","7","5","2","4","5","1") = "6"
    & skf18("3","7","5","2","4","6","1") = "6"
    & skf18("3","7","5","2","4","7","1") = "6"
    & skf18("3","7","5","2","4","8","1") = "7"
    & skf18("3","7","5","2","4","9","1") = "8"
    & skf18("3","7","5","2","4","10","1") = "9"
    & skf18("3","7","5","2","5","1","1") = "6"
    & skf18("3","7","5","2","5","2","1") = "6"
    & skf18("3","7","5","2","5","3","1") = "6"
    & skf18("3","7","5","2","5","4","1") = "6"
    & skf18("3","7","5","2","5","5","1") = "6"
    & skf18("3","7","5","2","5","6","1") = "6"
    & skf18("3","7","5","2","5","7","1") = "6"
    & skf18("3","7","5","2","5","8","1") = "7"
    & skf18("3","7","5","2","5","9","1") = "8"
    & skf18("3","7","5","2","5","10","1") = "9"
    & skf18("3","7","5","2","6","1","1") = "6"
    & skf18("3","7","5","2","6","2","1") = "6"
    & skf18("3","7","5","2","6","3","1") = "6"
    & skf18("3","7","5","2","6","4","1") = "6"
    & skf18("3","7","5","2","6","5","1") = "6"
    & skf18("3","7","5","2","6","6","1") = "6"
    & skf18("3","7","5","2","6","7","1") = "6"
    & skf18("3","7","5","2","6","8","1") = "7"
    & skf18("3","7","5","2","6","9","1") = "8"
    & skf18("3","7","5","2","6","10","1") = "9"
    & skf18("3","7","5","2","7","1","1") = "6"
    & skf18("3","7","5","2","7","2","1") = "6"
    & skf18("3","7","5","2","7","3","1") = "6"
    & skf18("3","7","5","2","7","4","1") = "6"
    & skf18("3","7","5","2","7","5","1") = "6"
    & skf18("3","7","5","2","7","6","1") = "6"
    & skf18("3","7","5","2","7","7","1") = "6"
    & skf18("3","7","5","2","7","8","1") = "7"
    & skf18("3","7","5","2","7","9","1") = "8"
    & skf18("3","7","5","2","7","10","1") = "9"
    & skf18("3","7","5","2","8","1","1") = "7"
    & skf18("3","7","5","2","8","2","1") = "7"
    & skf18("3","7","5","2","8","3","1") = "7"
    & skf18("3","7","5","2","8","4","1") = "7"
    & skf18("3","7","5","2","8","5","1") = "7"
    & skf18("3","7","5","2","8","6","1") = "7"
    & skf18("3","7","5","2","8","7","1") = "7"
    & skf18("3","7","5","2","8","8","1") = "7"
    & skf18("3","7","5","2","8","9","1") = "8"
    & skf18("3","7","5","2","8","10","1") = "9"
    & skf18("3","7","5","2","9","1","1") = "8"
    & skf18("3","7","5","2","9","2","1") = "8"
    & skf18("3","7","5","2","9","3","1") = "8"
    & skf18("3","7","5","2","9","4","1") = "8"
    & skf18("3","7","5","2","9","5","1") = "8"
    & skf18("3","7","5","2","9","6","1") = "8"
    & skf18("3","7","5","2","9","7","1") = "8"
    & skf18("3","7","5","2","9","8","1") = "8"
    & skf18("3","7","5","2","9","9","1") = "8"
    & skf18("3","7","5","2","9","10","1") = "9"
    & skf18("3","7","5","2","10","1","1") = "9"
    & skf18("3","7","5","2","10","2","1") = "9"
    & skf18("3","7","5","2","10","3","1") = "9"
    & skf18("3","7","5","2","10","4","1") = "9"
    & skf18("3","7","5","2","10","5","1") = "9"
    & skf18("3","7","5","2","10","6","1") = "9"
    & skf18("3","7","5","2","10","7","1") = "9"
    & skf18("3","7","5","2","10","8","1") = "9"
    & skf18("3","7","5","2","10","9","1") = "9"
    & skf18("3","7","5","2","10","10","1") = "9"
    & skf18("3","7","5","3","1","1","1") = "6"
    & skf18("3","7","5","3","1","2","1") = "6"
    & skf18("3","7","5","3","1","3","1") = "6"
    & skf18("3","7","5","3","1","4","1") = "6"
    & skf18("3","7","5","3","1","5","1") = "6"
    & skf18("3","7","5","3","1","6","1") = "6"
    & skf18("3","7","5","3","1","7","1") = "6"
    & skf18("3","7","5","3","1","8","1") = "7"
    & skf18("3","7","5","3","1","9","1") = "8"
    & skf18("3","7","5","3","1","10","1") = "9"
    & skf18("3","7","5","3","2","1","1") = "6"
    & skf18("3","7","5","3","2","2","1") = "6"
    & skf18("3","7","5","3","2","3","1") = "6"
    & skf18("3","7","5","3","2","4","1") = "6"
    & skf18("3","7","5","3","2","5","1") = "6"
    & skf18("3","7","5","3","2","6","1") = "6"
    & skf18("3","7","5","3","2","7","1") = "6"
    & skf18("3","7","5","3","2","8","1") = "7"
    & skf18("3","7","5","3","2","9","1") = "8"
    & skf18("3","7","5","3","2","10","1") = "9"
    & skf18("3","7","5","3","3","1","1") = "6"
    & skf18("3","7","5","3","3","2","1") = "6"
    & skf18("3","7","5","3","3","3","1") = "6"
    & skf18("3","7","5","3","3","4","1") = "6"
    & skf18("3","7","5","3","3","5","1") = "6"
    & skf18("3","7","5","3","3","6","1") = "6"
    & skf18("3","7","5","3","3","7","1") = "6"
    & skf18("3","7","5","3","3","8","1") = "7"
    & skf18("3","7","5","3","3","9","1") = "8"
    & skf18("3","7","5","3","3","10","1") = "9"
    & skf18("3","7","5","3","4","1","1") = "6"
    & skf18("3","7","5","3","4","2","1") = "6"
    & skf18("3","7","5","3","4","3","1") = "6"
    & skf18("3","7","5","3","4","4","1") = "6"
    & skf18("3","7","5","3","4","5","1") = "6"
    & skf18("3","7","5","3","4","6","1") = "6"
    & skf18("3","7","5","3","4","7","1") = "6"
    & skf18("3","7","5","3","4","8","1") = "7"
    & skf18("3","7","5","3","4","9","1") = "8"
    & skf18("3","7","5","3","4","10","1") = "9"
    & skf18("3","7","5","3","5","1","1") = "6"
    & skf18("3","7","5","3","5","2","1") = "6"
    & skf18("3","7","5","3","5","3","1") = "6"
    & skf18("3","7","5","3","5","4","1") = "6"
    & skf18("3","7","5","3","5","5","1") = "6"
    & skf18("3","7","5","3","5","6","1") = "6"
    & skf18("3","7","5","3","5","7","1") = "6"
    & skf18("3","7","5","3","5","8","1") = "7"
    & skf18("3","7","5","3","5","9","1") = "8"
    & skf18("3","7","5","3","5","10","1") = "9"
    & skf18("3","7","5","3","6","1","1") = "6"
    & skf18("3","7","5","3","6","2","1") = "6"
    & skf18("3","7","5","3","6","3","1") = "6"
    & skf18("3","7","5","3","6","4","1") = "6"
    & skf18("3","7","5","3","6","5","1") = "6"
    & skf18("3","7","5","3","6","6","1") = "6"
    & skf18("3","7","5","3","6","7","1") = "6"
    & skf18("3","7","5","3","6","8","1") = "7"
    & skf18("3","7","5","3","6","9","1") = "8"
    & skf18("3","7","5","3","6","10","1") = "9"
    & skf18("3","7","5","3","7","1","1") = "6"
    & skf18("3","7","5","3","7","2","1") = "6"
    & skf18("3","7","5","3","7","3","1") = "6"
    & skf18("3","7","5","3","7","4","1") = "6"
    & skf18("3","7","5","3","7","5","1") = "6"
    & skf18("3","7","5","3","7","6","1") = "6"
    & skf18("3","7","5","3","7","7","1") = "6"
    & skf18("3","7","5","3","7","8","1") = "7"
    & skf18("3","7","5","3","7","9","1") = "8"
    & skf18("3","7","5","3","7","10","1") = "9"
    & skf18("3","7","5","3","8","1","1") = "7"
    & skf18("3","7","5","3","8","2","1") = "7"
    & skf18("3","7","5","3","8","3","1") = "7"
    & skf18("3","7","5","3","8","4","1") = "7"
    & skf18("3","7","5","3","8","5","1") = "7"
    & skf18("3","7","5","3","8","6","1") = "7"
    & skf18("3","7","5","3","8","7","1") = "7"
    & skf18("3","7","5","3","8","8","1") = "7"
    & skf18("3","7","5","3","8","9","1") = "8"
    & skf18("3","7","5","3","8","10","1") = "9"
    & skf18("3","7","5","3","9","1","1") = "8"
    & skf18("3","7","5","3","9","2","1") = "8"
    & skf18("3","7","5","3","9","3","1") = "8"
    & skf18("3","7","5","3","9","4","1") = "8"
    & skf18("3","7","5","3","9","5","1") = "8"
    & skf18("3","7","5","3","9","6","1") = "8"
    & skf18("3","7","5","3","9","7","1") = "8"
    & skf18("3","7","5","3","9","8","1") = "8"
    & skf18("3","7","5","3","9","9","1") = "8"
    & skf18("3","7","5","3","9","10","1") = "9"
    & skf18("3","7","5","3","10","1","1") = "9"
    & skf18("3","7","5","3","10","2","1") = "9"
    & skf18("3","7","5","3","10","3","1") = "9"
    & skf18("3","7","5","3","10","4","1") = "9"
    & skf18("3","7","5","3","10","5","1") = "9"
    & skf18("3","7","5","3","10","6","1") = "9"
    & skf18("3","7","5","3","10","7","1") = "9"
    & skf18("3","7","5","3","10","8","1") = "9"
    & skf18("3","7","5","3","10","9","1") = "9"
    & skf18("3","7","5","3","10","10","1") = "9"
    & skf18("3","7","5","4","1","1","1") = "6"
    & skf18("3","7","5","4","1","2","1") = "6"
    & skf18("3","7","5","4","1","3","1") = "6"
    & skf18("3","7","5","4","1","4","1") = "6"
    & skf18("3","7","5","4","1","5","1") = "6"
    & skf18("3","7","5","4","1","6","1") = "6"
    & skf18("3","7","5","4","1","7","1") = "6"
    & skf18("3","7","5","4","1","8","1") = "7"
    & skf18("3","7","5","4","1","9","1") = "8"
    & skf18("3","7","5","4","1","10","1") = "9"
    & skf18("3","7","5","4","2","1","1") = "6"
    & skf18("3","7","5","4","2","2","1") = "6"
    & skf18("3","7","5","4","2","3","1") = "6"
    & skf18("3","7","5","4","2","4","1") = "6"
    & skf18("3","7","5","4","2","5","1") = "6"
    & skf18("3","7","5","4","2","6","1") = "6"
    & skf18("3","7","5","4","2","7","1") = "6"
    & skf18("3","7","5","4","2","8","1") = "7"
    & skf18("3","7","5","4","2","9","1") = "8"
    & skf18("3","7","5","4","2","10","1") = "9"
    & skf18("3","7","5","4","3","1","1") = "6"
    & skf18("3","7","5","4","3","2","1") = "6"
    & skf18("3","7","5","4","3","3","1") = "6"
    & skf18("3","7","5","4","3","4","1") = "6"
    & skf18("3","7","5","4","3","5","1") = "6"
    & skf18("3","7","5","4","3","6","1") = "6"
    & skf18("3","7","5","4","3","7","1") = "6"
    & skf18("3","7","5","4","3","8","1") = "7"
    & skf18("3","7","5","4","3","9","1") = "8"
    & skf18("3","7","5","4","3","10","1") = "9"
    & skf18("3","7","5","4","4","1","1") = "6"
    & skf18("3","7","5","4","4","2","1") = "6"
    & skf18("3","7","5","4","4","3","1") = "6"
    & skf18("3","7","5","4","4","4","1") = "6"
    & skf18("3","7","5","4","4","5","1") = "6"
    & skf18("3","7","5","4","4","6","1") = "6"
    & skf18("3","7","5","4","4","7","1") = "6"
    & skf18("3","7","5","4","4","8","1") = "7"
    & skf18("3","7","5","4","4","9","1") = "8"
    & skf18("3","7","5","4","4","10","1") = "9"
    & skf18("3","7","5","4","5","1","1") = "6"
    & skf18("3","7","5","4","5","2","1") = "6"
    & skf18("3","7","5","4","5","3","1") = "6"
    & skf18("3","7","5","4","5","4","1") = "6"
    & skf18("3","7","5","4","5","5","1") = "6"
    & skf18("3","7","5","4","5","6","1") = "6"
    & skf18("3","7","5","4","5","7","1") = "6"
    & skf18("3","7","5","4","5","8","1") = "7"
    & skf18("3","7","5","4","5","9","1") = "8"
    & skf18("3","7","5","4","5","10","1") = "9"
    & skf18("3","7","5","4","6","1","1") = "6"
    & skf18("3","7","5","4","6","2","1") = "6"
    & skf18("3","7","5","4","6","3","1") = "6"
    & skf18("3","7","5","4","6","4","1") = "6"
    & skf18("3","7","5","4","6","5","1") = "6"
    & skf18("3","7","5","4","6","6","1") = "6"
    & skf18("3","7","5","4","6","7","1") = "6"
    & skf18("3","7","5","4","6","8","1") = "7"
    & skf18("3","7","5","4","6","9","1") = "8"
    & skf18("3","7","5","4","6","10","1") = "9"
    & skf18("3","7","5","4","7","1","1") = "6"
    & skf18("3","7","5","4","7","2","1") = "6"
    & skf18("3","7","5","4","7","3","1") = "6"
    & skf18("3","7","5","4","7","4","1") = "6"
    & skf18("3","7","5","4","7","5","1") = "6"
    & skf18("3","7","5","4","7","6","1") = "6"
    & skf18("3","7","5","4","7","7","1") = "6"
    & skf18("3","7","5","4","7","8","1") = "7"
    & skf18("3","7","5","4","7","9","1") = "8"
    & skf18("3","7","5","4","7","10","1") = "9"
    & skf18("3","7","5","4","8","1","1") = "7"
    & skf18("3","7","5","4","8","2","1") = "7"
    & skf18("3","7","5","4","8","3","1") = "7"
    & skf18("3","7","5","4","8","4","1") = "7"
    & skf18("3","7","5","4","8","5","1") = "7"
    & skf18("3","7","5","4","8","6","1") = "7"
    & skf18("3","7","5","4","8","7","1") = "7"
    & skf18("3","7","5","4","8","8","1") = "7"
    & skf18("3","7","5","4","8","9","1") = "8"
    & skf18("3","7","5","4","8","10","1") = "9"
    & skf18("3","7","5","4","9","1","1") = "8"
    & skf18("3","7","5","4","9","2","1") = "8"
    & skf18("3","7","5","4","9","3","1") = "8"
    & skf18("3","7","5","4","9","4","1") = "8"
    & skf18("3","7","5","4","9","5","1") = "8"
    & skf18("3","7","5","4","9","6","1") = "8"
    & skf18("3","7","5","4","9","7","1") = "8"
    & skf18("3","7","5","4","9","8","1") = "8"
    & skf18("3","7","5","4","9","9","1") = "8"
    & skf18("3","7","5","4","9","10","1") = "9"
    & skf18("3","7","5","4","10","1","1") = "9"
    & skf18("3","7","5","4","10","2","1") = "9"
    & skf18("3","7","5","4","10","3","1") = "9"
    & skf18("3","7","5","4","10","4","1") = "9"
    & skf18("3","7","5","4","10","5","1") = "9"
    & skf18("3","7","5","4","10","6","1") = "9"
    & skf18("3","7","5","4","10","7","1") = "9"
    & skf18("3","7","5","4","10","8","1") = "9"
    & skf18("3","7","5","4","10","9","1") = "9"
    & skf18("3","7","5","4","10","10","1") = "9"
    & skf18("3","7","5","5","1","1","1") = "6"
    & skf18("3","7","5","5","1","2","1") = "6"
    & skf18("3","7","5","5","1","3","1") = "6"
    & skf18("3","7","5","5","1","4","1") = "6"
    & skf18("3","7","5","5","1","5","1") = "6"
    & skf18("3","7","5","5","1","6","1") = "6"
    & skf18("3","7","5","5","1","7","1") = "6"
    & skf18("3","7","5","5","1","8","1") = "7"
    & skf18("3","7","5","5","1","9","1") = "8"
    & skf18("3","7","5","5","1","10","1") = "9"
    & skf18("3","7","5","5","2","1","1") = "6"
    & skf18("3","7","5","5","2","2","1") = "6"
    & skf18("3","7","5","5","2","3","1") = "6"
    & skf18("3","7","5","5","2","4","1") = "6"
    & skf18("3","7","5","5","2","5","1") = "6"
    & skf18("3","7","5","5","2","6","1") = "6"
    & skf18("3","7","5","5","2","7","1") = "6"
    & skf18("3","7","5","5","2","8","1") = "7"
    & skf18("3","7","5","5","2","9","1") = "8"
    & skf18("3","7","5","5","2","10","1") = "9"
    & skf18("3","7","5","5","3","1","1") = "6"
    & skf18("3","7","5","5","3","2","1") = "6"
    & skf18("3","7","5","5","3","3","1") = "6"
    & skf18("3","7","5","5","3","4","1") = "6"
    & skf18("3","7","5","5","3","5","1") = "6"
    & skf18("3","7","5","5","3","6","1") = "6"
    & skf18("3","7","5","5","3","7","1") = "6"
    & skf18("3","7","5","5","3","8","1") = "7"
    & skf18("3","7","5","5","3","9","1") = "8"
    & skf18("3","7","5","5","3","10","1") = "9"
    & skf18("3","7","5","5","4","1","1") = "6"
    & skf18("3","7","5","5","4","2","1") = "6"
    & skf18("3","7","5","5","4","3","1") = "6"
    & skf18("3","7","5","5","4","4","1") = "6"
    & skf18("3","7","5","5","4","5","1") = "6"
    & skf18("3","7","5","5","4","6","1") = "6"
    & skf18("3","7","5","5","4","7","1") = "6"
    & skf18("3","7","5","5","4","8","1") = "7"
    & skf18("3","7","5","5","4","9","1") = "8"
    & skf18("3","7","5","5","4","10","1") = "9"
    & skf18("3","7","5","5","5","1","1") = "6"
    & skf18("3","7","5","5","5","2","1") = "6"
    & skf18("3","7","5","5","5","3","1") = "6"
    & skf18("3","7","5","5","5","4","1") = "6"
    & skf18("3","7","5","5","5","5","1") = "6"
    & skf18("3","7","5","5","5","6","1") = "6"
    & skf18("3","7","5","5","5","7","1") = "6"
    & skf18("3","7","5","5","5","8","1") = "7"
    & skf18("3","7","5","5","5","9","1") = "8"
    & skf18("3","7","5","5","5","10","1") = "9"
    & skf18("3","7","5","5","6","1","1") = "6"
    & skf18("3","7","5","5","6","2","1") = "6"
    & skf18("3","7","5","5","6","3","1") = "6"
    & skf18("3","7","5","5","6","4","1") = "6"
    & skf18("3","7","5","5","6","5","1") = "6"
    & skf18("3","7","5","5","6","6","1") = "6"
    & skf18("3","7","5","5","6","7","1") = "6"
    & skf18("3","7","5","5","6","8","1") = "7"
    & skf18("3","7","5","5","6","9","1") = "8"
    & skf18("3","7","5","5","6","10","1") = "9"
    & skf18("3","7","5","5","7","1","1") = "6"
    & skf18("3","7","5","5","7","2","1") = "6"
    & skf18("3","7","5","5","7","3","1") = "6"
    & skf18("3","7","5","5","7","4","1") = "6"
    & skf18("3","7","5","5","7","5","1") = "6"
    & skf18("3","7","5","5","7","6","1") = "6"
    & skf18("3","7","5","5","7","7","1") = "6"
    & skf18("3","7","5","5","7","8","1") = "7"
    & skf18("3","7","5","5","7","9","1") = "8"
    & skf18("3","7","5","5","7","10","1") = "9"
    & skf18("3","7","5","5","8","1","1") = "7"
    & skf18("3","7","5","5","8","2","1") = "7"
    & skf18("3","7","5","5","8","3","1") = "7"
    & skf18("3","7","5","5","8","4","1") = "7"
    & skf18("3","7","5","5","8","5","1") = "7"
    & skf18("3","7","5","5","8","6","1") = "7"
    & skf18("3","7","5","5","8","7","1") = "7"
    & skf18("3","7","5","5","8","8","1") = "7"
    & skf18("3","7","5","5","8","9","1") = "8"
    & skf18("3","7","5","5","8","10","1") = "9"
    & skf18("3","7","5","5","9","1","1") = "8"
    & skf18("3","7","5","5","9","2","1") = "8"
    & skf18("3","7","5","5","9","3","1") = "8"
    & skf18("3","7","5","5","9","4","1") = "8"
    & skf18("3","7","5","5","9","5","1") = "8"
    & skf18("3","7","5","5","9","6","1") = "8"
    & skf18("3","7","5","5","9","7","1") = "8"
    & skf18("3","7","5","5","9","8","1") = "8"
    & skf18("3","7","5","5","9","9","1") = "8"
    & skf18("3","7","5","5","9","10","1") = "9"
    & skf18("3","7","5","5","10","1","1") = "9"
    & skf18("3","7","5","5","10","2","1") = "9"
    & skf18("3","7","5","5","10","3","1") = "9"
    & skf18("3","7","5","5","10","4","1") = "9"
    & skf18("3","7","5","5","10","5","1") = "9"
    & skf18("3","7","5","5","10","6","1") = "9"
    & skf18("3","7","5","5","10","7","1") = "9"
    & skf18("3","7","5","5","10","8","1") = "9"
    & skf18("3","7","5","5","10","9","1") = "9"
    & skf18("3","7","5","5","10","10","1") = "9"
    & skf18("3","7","5","6","1","1","1") = "6"
    & skf18("3","7","5","6","1","2","1") = "6"
    & skf18("3","7","5","6","1","3","1") = "6"
    & skf18("3","7","5","6","1","4","1") = "6"
    & skf18("3","7","5","6","1","5","1") = "6"
    & skf18("3","7","5","6","1","6","1") = "6"
    & skf18("3","7","5","6","1","7","1") = "6"
    & skf18("3","7","5","6","1","8","1") = "7"
    & skf18("3","7","5","6","1","9","1") = "8"
    & skf18("3","7","5","6","1","10","1") = "9"
    & skf18("3","7","5","6","2","1","1") = "6"
    & skf18("3","7","5","6","2","2","1") = "6"
    & skf18("3","7","5","6","2","3","1") = "6"
    & skf18("3","7","5","6","2","4","1") = "6"
    & skf18("3","7","5","6","2","5","1") = "6"
    & skf18("3","7","5","6","2","6","1") = "6"
    & skf18("3","7","5","6","2","7","1") = "6"
    & skf18("3","7","5","6","2","8","1") = "7"
    & skf18("3","7","5","6","2","9","1") = "8"
    & skf18("3","7","5","6","2","10","1") = "9"
    & skf18("3","7","5","6","3","1","1") = "6"
    & skf18("3","7","5","6","3","2","1") = "6"
    & skf18("3","7","5","6","3","3","1") = "6"
    & skf18("3","7","5","6","3","4","1") = "6"
    & skf18("3","7","5","6","3","5","1") = "6"
    & skf18("3","7","5","6","3","6","1") = "6"
    & skf18("3","7","5","6","3","7","1") = "6"
    & skf18("3","7","5","6","3","8","1") = "7"
    & skf18("3","7","5","6","3","9","1") = "8"
    & skf18("3","7","5","6","3","10","1") = "9"
    & skf18("3","7","5","6","4","1","1") = "6"
    & skf18("3","7","5","6","4","2","1") = "6"
    & skf18("3","7","5","6","4","3","1") = "6"
    & skf18("3","7","5","6","4","4","1") = "6"
    & skf18("3","7","5","6","4","5","1") = "6"
    & skf18("3","7","5","6","4","6","1") = "6"
    & skf18("3","7","5","6","4","7","1") = "6"
    & skf18("3","7","5","6","4","8","1") = "7"
    & skf18("3","7","5","6","4","9","1") = "8"
    & skf18("3","7","5","6","4","10","1") = "9"
    & skf18("3","7","5","6","5","1","1") = "6"
    & skf18("3","7","5","6","5","2","1") = "6"
    & skf18("3","7","5","6","5","3","1") = "6"
    & skf18("3","7","5","6","5","4","1") = "6"
    & skf18("3","7","5","6","5","5","1") = "6"
    & skf18("3","7","5","6","5","6","1") = "6"
    & skf18("3","7","5","6","5","7","1") = "6"
    & skf18("3","7","5","6","5","8","1") = "7"
    & skf18("3","7","5","6","5","9","1") = "8"
    & skf18("3","7","5","6","5","10","1") = "9"
    & skf18("3","7","5","6","6","1","1") = "6"
    & skf18("3","7","5","6","6","2","1") = "6"
    & skf18("3","7","5","6","6","3","1") = "6"
    & skf18("3","7","5","6","6","4","1") = "6"
    & skf18("3","7","5","6","6","5","1") = "6"
    & skf18("3","7","5","6","6","6","1") = "6"
    & skf18("3","7","5","6","6","7","1") = "6"
    & skf18("3","7","5","6","6","8","1") = "7"
    & skf18("3","7","5","6","6","9","1") = "8"
    & skf18("3","7","5","6","6","10","1") = "9"
    & skf18("3","7","5","6","7","1","1") = "6"
    & skf18("3","7","5","6","7","2","1") = "6"
    & skf18("3","7","5","6","7","3","1") = "6"
    & skf18("3","7","5","6","7","4","1") = "6"
    & skf18("3","7","5","6","7","5","1") = "6"
    & skf18("3","7","5","6","7","6","1") = "6"
    & skf18("3","7","5","6","7","7","1") = "6"
    & skf18("3","7","5","6","7","8","1") = "7"
    & skf18("3","7","5","6","7","9","1") = "8"
    & skf18("3","7","5","6","7","10","1") = "9"
    & skf18("3","7","5","6","8","1","1") = "7"
    & skf18("3","7","5","6","8","2","1") = "7"
    & skf18("3","7","5","6","8","3","1") = "7"
    & skf18("3","7","5","6","8","4","1") = "7"
    & skf18("3","7","5","6","8","5","1") = "7"
    & skf18("3","7","5","6","8","6","1") = "7"
    & skf18("3","7","5","6","8","7","1") = "7"
    & skf18("3","7","5","6","8","8","1") = "7"
    & skf18("3","7","5","6","8","9","1") = "8"
    & skf18("3","7","5","6","8","10","1") = "9"
    & skf18("3","7","5","6","9","1","1") = "8"
    & skf18("3","7","5","6","9","2","1") = "8"
    & skf18("3","7","5","6","9","3","1") = "8"
    & skf18("3","7","5","6","9","4","1") = "8"
    & skf18("3","7","5","6","9","5","1") = "8"
    & skf18("3","7","5","6","9","6","1") = "8"
    & skf18("3","7","5","6","9","7","1") = "8"
    & skf18("3","7","5","6","9","8","1") = "8"
    & skf18("3","7","5","6","9","9","1") = "8"
    & skf18("3","7","5","6","9","10","1") = "9"
    & skf18("3","7","5","6","10","1","1") = "9"
    & skf18("3","7","5","6","10","2","1") = "9"
    & skf18("3","7","5","6","10","3","1") = "9"
    & skf18("3","7","5","6","10","4","1") = "9"
    & skf18("3","7","5","6","10","5","1") = "9"
    & skf18("3","7","5","6","10","6","1") = "9"
    & skf18("3","7","5","6","10","7","1") = "9"
    & skf18("3","7","5","6","10","8","1") = "9"
    & skf18("3","7","5","6","10","9","1") = "9"
    & skf18("3","7","5","6","10","10","1") = "9"
    & skf18("3","7","5","7","1","1","1") = "6"
    & skf18("3","7","5","7","1","2","1") = "6"
    & skf18("3","7","5","7","1","3","1") = "6"
    & skf18("3","7","5","7","1","4","1") = "6"
    & skf18("3","7","5","7","1","5","1") = "6"
    & skf18("3","7","5","7","1","6","1") = "6"
    & skf18("3","7","5","7","1","7","1") = "6"
    & skf18("3","7","5","7","1","8","1") = "7"
    & skf18("3","7","5","7","1","9","1") = "8"
    & skf18("3","7","5","7","1","10","1") = "9"
    & skf18("3","7","5","7","2","1","1") = "6"
    & skf18("3","7","5","7","2","2","1") = "6"
    & skf18("3","7","5","7","2","3","1") = "6"
    & skf18("3","7","5","7","2","4","1") = "6"
    & skf18("3","7","5","7","2","5","1") = "6"
    & skf18("3","7","5","7","2","6","1") = "6"
    & skf18("3","7","5","7","2","7","1") = "6"
    & skf18("3","7","5","7","2","8","1") = "7"
    & skf18("3","7","5","7","2","9","1") = "8"
    & skf18("3","7","5","7","2","10","1") = "9"
    & skf18("3","7","5","7","3","1","1") = "6"
    & skf18("3","7","5","7","3","2","1") = "6"
    & skf18("3","7","5","7","3","3","1") = "6"
    & skf18("3","7","5","7","3","4","1") = "6"
    & skf18("3","7","5","7","3","5","1") = "6"
    & skf18("3","7","5","7","3","6","1") = "6"
    & skf18("3","7","5","7","3","7","1") = "6"
    & skf18("3","7","5","7","3","8","1") = "7"
    & skf18("3","7","5","7","3","9","1") = "8"
    & skf18("3","7","5","7","3","10","1") = "9"
    & skf18("3","7","5","7","4","1","1") = "6"
    & skf18("3","7","5","7","4","2","1") = "6"
    & skf18("3","7","5","7","4","3","1") = "6"
    & skf18("3","7","5","7","4","4","1") = "6"
    & skf18("3","7","5","7","4","5","1") = "6"
    & skf18("3","7","5","7","4","6","1") = "6"
    & skf18("3","7","5","7","4","7","1") = "6"
    & skf18("3","7","5","7","4","8","1") = "7"
    & skf18("3","7","5","7","4","9","1") = "8"
    & skf18("3","7","5","7","4","10","1") = "9"
    & skf18("3","7","5","7","5","1","1") = "6"
    & skf18("3","7","5","7","5","2","1") = "6"
    & skf18("3","7","5","7","5","3","1") = "6"
    & skf18("3","7","5","7","5","4","1") = "6"
    & skf18("3","7","5","7","5","5","1") = "6"
    & skf18("3","7","5","7","5","6","1") = "6"
    & skf18("3","7","5","7","5","7","1") = "6"
    & skf18("3","7","5","7","5","8","1") = "7"
    & skf18("3","7","5","7","5","9","1") = "8"
    & skf18("3","7","5","7","5","10","1") = "9"
    & skf18("3","7","5","7","6","1","1") = "6"
    & skf18("3","7","5","7","6","2","1") = "6"
    & skf18("3","7","5","7","6","3","1") = "6"
    & skf18("3","7","5","7","6","4","1") = "6"
    & skf18("3","7","5","7","6","5","1") = "6"
    & skf18("3","7","5","7","6","6","1") = "6"
    & skf18("3","7","5","7","6","7","1") = "6"
    & skf18("3","7","5","7","6","8","1") = "7"
    & skf18("3","7","5","7","6","9","1") = "8"
    & skf18("3","7","5","7","6","10","1") = "9"
    & skf18("3","7","5","7","7","1","1") = "6"
    & skf18("3","7","5","7","7","2","1") = "6"
    & skf18("3","7","5","7","7","3","1") = "6"
    & skf18("3","7","5","7","7","4","1") = "6"
    & skf18("3","7","5","7","7","5","1") = "6"
    & skf18("3","7","5","7","7","6","1") = "6"
    & skf18("3","7","5","7","7","7","1") = "6"
    & skf18("3","7","5","7","7","8","1") = "7"
    & skf18("3","7","5","7","7","9","1") = "8"
    & skf18("3","7","5","7","7","10","1") = "9"
    & skf18("3","7","5","7","8","1","1") = "7"
    & skf18("3","7","5","7","8","2","1") = "7"
    & skf18("3","7","5","7","8","3","1") = "7"
    & skf18("3","7","5","7","8","4","1") = "7"
    & skf18("3","7","5","7","8","5","1") = "7"
    & skf18("3","7","5","7","8","6","1") = "7"
    & skf18("3","7","5","7","8","7","1") = "7"
    & skf18("3","7","5","7","8","8","1") = "7"
    & skf18("3","7","5","7","8","9","1") = "8"
    & skf18("3","7","5","7","8","10","1") = "9"
    & skf18("3","7","5","7","9","1","1") = "8"
    & skf18("3","7","5","7","9","2","1") = "8"
    & skf18("3","7","5","7","9","3","1") = "8"
    & skf18("3","7","5","7","9","4","1") = "8"
    & skf18("3","7","5","7","9","5","1") = "8"
    & skf18("3","7","5","7","9","6","1") = "8"
    & skf18("3","7","5","7","9","7","1") = "8"
    & skf18("3","7","5","7","9","8","1") = "8"
    & skf18("3","7","5","7","9","9","1") = "8"
    & skf18("3","7","5","7","9","10","1") = "9"
    & skf18("3","7","5","7","10","1","1") = "9"
    & skf18("3","7","5","7","10","2","1") = "9"
    & skf18("3","7","5","7","10","3","1") = "9"
    & skf18("3","7","5","7","10","4","1") = "9"
    & skf18("3","7","5","7","10","5","1") = "9"
    & skf18("3","7","5","7","10","6","1") = "9"
    & skf18("3","7","5","7","10","7","1") = "9"
    & skf18("3","7","5","7","10","8","1") = "9"
    & skf18("3","7","5","7","10","9","1") = "9"
    & skf18("3","7","5","7","10","10","1") = "9"
    & skf18("3","7","5","8","1","1","1") = "7"
    & skf18("3","7","5","8","1","2","1") = "7"
    & skf18("3","7","5","8","1","3","1") = "7"
    & skf18("3","7","5","8","1","4","1") = "7"
    & skf18("3","7","5","8","1","5","1") = "7"
    & skf18("3","7","5","8","1","6","1") = "7"
    & skf18("3","7","5","8","1","7","1") = "7"
    & skf18("3","7","5","8","1","8","1") = "7"
    & skf18("3","7","5","8","1","9","1") = "8"
    & skf18("3","7","5","8","1","10","1") = "9"
    & skf18("3","7","5","8","2","1","1") = "7"
    & skf18("3","7","5","8","2","2","1") = "7"
    & skf18("3","7","5","8","2","3","1") = "7"
    & skf18("3","7","5","8","2","4","1") = "7"
    & skf18("3","7","5","8","2","5","1") = "7"
    & skf18("3","7","5","8","2","6","1") = "7"
    & skf18("3","7","5","8","2","7","1") = "7"
    & skf18("3","7","5","8","2","8","1") = "7"
    & skf18("3","7","5","8","2","9","1") = "8"
    & skf18("3","7","5","8","2","10","1") = "9"
    & skf18("3","7","5","8","3","1","1") = "7"
    & skf18("3","7","5","8","3","2","1") = "7"
    & skf18("3","7","5","8","3","3","1") = "7"
    & skf18("3","7","5","8","3","4","1") = "7"
    & skf18("3","7","5","8","3","5","1") = "7"
    & skf18("3","7","5","8","3","6","1") = "7"
    & skf18("3","7","5","8","3","7","1") = "7"
    & skf18("3","7","5","8","3","8","1") = "7"
    & skf18("3","7","5","8","3","9","1") = "8"
    & skf18("3","7","5","8","3","10","1") = "9"
    & skf18("3","7","5","8","4","1","1") = "7"
    & skf18("3","7","5","8","4","2","1") = "7"
    & skf18("3","7","5","8","4","3","1") = "7"
    & skf18("3","7","5","8","4","4","1") = "7"
    & skf18("3","7","5","8","4","5","1") = "7"
    & skf18("3","7","5","8","4","6","1") = "7"
    & skf18("3","7","5","8","4","7","1") = "7"
    & skf18("3","7","5","8","4","8","1") = "7"
    & skf18("3","7","5","8","4","9","1") = "8"
    & skf18("3","7","5","8","4","10","1") = "9"
    & skf18("3","7","5","8","5","1","1") = "7"
    & skf18("3","7","5","8","5","2","1") = "7"
    & skf18("3","7","5","8","5","3","1") = "7"
    & skf18("3","7","5","8","5","4","1") = "7"
    & skf18("3","7","5","8","5","5","1") = "7"
    & skf18("3","7","5","8","5","6","1") = "7"
    & skf18("3","7","5","8","5","7","1") = "7"
    & skf18("3","7","5","8","5","8","1") = "7"
    & skf18("3","7","5","8","5","9","1") = "8"
    & skf18("3","7","5","8","5","10","1") = "9"
    & skf18("3","7","5","8","6","1","1") = "7"
    & skf18("3","7","5","8","6","2","1") = "7"
    & skf18("3","7","5","8","6","3","1") = "7"
    & skf18("3","7","5","8","6","4","1") = "7"
    & skf18("3","7","5","8","6","5","1") = "7"
    & skf18("3","7","5","8","6","6","1") = "7"
    & skf18("3","7","5","8","6","7","1") = "7"
    & skf18("3","7","5","8","6","8","1") = "7"
    & skf18("3","7","5","8","6","9","1") = "8"
    & skf18("3","7","5","8","6","10","1") = "9"
    & skf18("3","7","5","8","7","1","1") = "7"
    & skf18("3","7","5","8","7","2","1") = "7"
    & skf18("3","7","5","8","7","3","1") = "7"
    & skf18("3","7","5","8","7","4","1") = "7"
    & skf18("3","7","5","8","7","5","1") = "7"
    & skf18("3","7","5","8","7","6","1") = "7"
    & skf18("3","7","5","8","7","7","1") = "7"
    & skf18("3","7","5","8","7","8","1") = "7"
    & skf18("3","7","5","8","7","9","1") = "8"
    & skf18("3","7","5","8","7","10","1") = "9"
    & skf18("3","7","5","8","8","1","1") = "7"
    & skf18("3","7","5","8","8","2","1") = "7"
    & skf18("3","7","5","8","8","3","1") = "7"
    & skf18("3","7","5","8","8","4","1") = "7"
    & skf18("3","7","5","8","8","5","1") = "7"
    & skf18("3","7","5","8","8","6","1") = "7"
    & skf18("3","7","5","8","8","7","1") = "7"
    & skf18("3","7","5","8","8","8","1") = "7"
    & skf18("3","7","5","8","8","9","1") = "8"
    & skf18("3","7","5","8","8","10","1") = "9"
    & skf18("3","7","5","8","9","1","1") = "8"
    & skf18("3","7","5","8","9","2","1") = "8"
    & skf18("3","7","5","8","9","3","1") = "8"
    & skf18("3","7","5","8","9","4","1") = "8"
    & skf18("3","7","5","8","9","5","1") = "8"
    & skf18("3","7","5","8","9","6","1") = "8"
    & skf18("3","7","5","8","9","7","1") = "8"
    & skf18("3","7","5","8","9","8","1") = "8"
    & skf18("3","7","5","8","9","9","1") = "8"
    & skf18("3","7","5","8","9","10","1") = "9"
    & skf18("3","7","5","8","10","1","1") = "9"
    & skf18("3","7","5","8","10","2","1") = "9"
    & skf18("3","7","5","8","10","3","1") = "9"
    & skf18("3","7","5","8","10","4","1") = "9"
    & skf18("3","7","5","8","10","5","1") = "9"
    & skf18("3","7","5","8","10","6","1") = "9"
    & skf18("3","7","5","8","10","7","1") = "9"
    & skf18("3","7","5","8","10","8","1") = "9"
    & skf18("3","7","5","8","10","9","1") = "9"
    & skf18("3","7","5","8","10","10","1") = "9"
    & skf18("3","7","5","9","1","1","1") = "8"
    & skf18("3","7","5","9","1","2","1") = "8"
    & skf18("3","7","5","9","1","3","1") = "8"
    & skf18("3","7","5","9","1","4","1") = "8"
    & skf18("3","7","5","9","1","5","1") = "8"
    & skf18("3","7","5","9","1","6","1") = "8"
    & skf18("3","7","5","9","1","7","1") = "8"
    & skf18("3","7","5","9","1","8","1") = "8"
    & skf18("3","7","5","9","1","9","1") = "8"
    & skf18("3","7","5","9","1","10","1") = "9"
    & skf18("3","7","5","9","2","1","1") = "8"
    & skf18("3","7","5","9","2","2","1") = "8"
    & skf18("3","7","5","9","2","3","1") = "8"
    & skf18("3","7","5","9","2","4","1") = "8"
    & skf18("3","7","5","9","2","5","1") = "8"
    & skf18("3","7","5","9","2","6","1") = "8"
    & skf18("3","7","5","9","2","7","1") = "8"
    & skf18("3","7","5","9","2","8","1") = "8"
    & skf18("3","7","5","9","2","9","1") = "8"
    & skf18("3","7","5","9","2","10","1") = "9"
    & skf18("3","7","5","9","3","1","1") = "8"
    & skf18("3","7","5","9","3","2","1") = "8"
    & skf18("3","7","5","9","3","3","1") = "8"
    & skf18("3","7","5","9","3","4","1") = "8"
    & skf18("3","7","5","9","3","5","1") = "8"
    & skf18("3","7","5","9","3","6","1") = "8"
    & skf18("3","7","5","9","3","7","1") = "8"
    & skf18("3","7","5","9","3","8","1") = "8"
    & skf18("3","7","5","9","3","9","1") = "8"
    & skf18("3","7","5","9","3","10","1") = "9"
    & skf18("3","7","5","9","4","1","1") = "8"
    & skf18("3","7","5","9","4","2","1") = "8"
    & skf18("3","7","5","9","4","3","1") = "8"
    & skf18("3","7","5","9","4","4","1") = "8"
    & skf18("3","7","5","9","4","5","1") = "8"
    & skf18("3","7","5","9","4","6","1") = "8"
    & skf18("3","7","5","9","4","7","1") = "8"
    & skf18("3","7","5","9","4","8","1") = "8"
    & skf18("3","7","5","9","4","9","1") = "8"
    & skf18("3","7","5","9","4","10","1") = "9"
    & skf18("3","7","5","9","5","1","1") = "8"
    & skf18("3","7","5","9","5","2","1") = "8"
    & skf18("3","7","5","9","5","3","1") = "8"
    & skf18("3","7","5","9","5","4","1") = "8"
    & skf18("3","7","5","9","5","5","1") = "8"
    & skf18("3","7","5","9","5","6","1") = "8"
    & skf18("3","7","5","9","5","7","1") = "8"
    & skf18("3","7","5","9","5","8","1") = "8"
    & skf18("3","7","5","9","5","9","1") = "8"
    & skf18("3","7","5","9","5","10","1") = "9"
    & skf18("3","7","5","9","6","1","1") = "8"
    & skf18("3","7","5","9","6","2","1") = "8"
    & skf18("3","7","5","9","6","3","1") = "8"
    & skf18("3","7","5","9","6","4","1") = "8"
    & skf18("3","7","5","9","6","5","1") = "8"
    & skf18("3","7","5","9","6","6","1") = "8"
    & skf18("3","7","5","9","6","7","1") = "8"
    & skf18("3","7","5","9","6","8","1") = "8"
    & skf18("3","7","5","9","6","9","1") = "8"
    & skf18("3","7","5","9","6","10","1") = "9"
    & skf18("3","7","5","9","7","1","1") = "8"
    & skf18("3","7","5","9","7","2","1") = "8"
    & skf18("3","7","5","9","7","3","1") = "8"
    & skf18("3","7","5","9","7","4","1") = "8"
    & skf18("3","7","5","9","7","5","1") = "8"
    & skf18("3","7","5","9","7","6","1") = "8"
    & skf18("3","7","5","9","7","7","1") = "8"
    & skf18("3","7","5","9","7","8","1") = "8"
    & skf18("3","7","5","9","7","9","1") = "8"
    & skf18("3","7","5","9","7","10","1") = "9"
    & skf18("3","7","5","9","8","1","1") = "8"
    & skf18("3","7","5","9","8","2","1") = "8"
    & skf18("3","7","5","9","8","3","1") = "8"
    & skf18("3","7","5","9","8","4","1") = "8"
    & skf18("3","7","5","9","8","5","1") = "8"
    & skf18("3","7","5","9","8","6","1") = "8"
    & skf18("3","7","5","9","8","7","1") = "8"
    & skf18("3","7","5","9","8","8","1") = "8"
    & skf18("3","7","5","9","8","9","1") = "8"
    & skf18("3","7","5","9","8","10","1") = "9"
    & skf18("3","7","5","9","9","1","1") = "8"
    & skf18("3","7","5","9","9","2","1") = "8"
    & skf18("3","7","5","9","9","3","1") = "8"
    & skf18("3","7","5","9","9","4","1") = "8"
    & skf18("3","7","5","9","9","5","1") = "8"
    & skf18("3","7","5","9","9","6","1") = "8"
    & skf18("3","7","5","9","9","7","1") = "8"
    & skf18("3","7","5","9","9","8","1") = "8"
    & skf18("3","7","5","9","9","9","1") = "8"
    & skf18("3","7","5","9","9","10","1") = "9"
    & skf18("3","7","5","9","10","1","1") = "9"
    & skf18("3","7","5","9","10","2","1") = "9"
    & skf18("3","7","5","9","10","3","1") = "9"
    & skf18("3","7","5","9","10","4","1") = "9"
    & skf18("3","7","5","9","10","5","1") = "9"
    & skf18("3","7","5","9","10","6","1") = "9"
    & skf18("3","7","5","9","10","7","1") = "9"
    & skf18("3","7","5","9","10","8","1") = "9"
    & skf18("3","7","5","9","10","9","1") = "9"
    & skf18("3","7","5","9","10","10","1") = "9"
    & skf18("3","7","5","10","1","1","1") = "9"
    & skf18("3","7","5","10","1","2","1") = "9"
    & skf18("3","7","5","10","1","3","1") = "9"
    & skf18("3","7","5","10","1","4","1") = "9"
    & skf18("3","7","5","10","1","5","1") = "9"
    & skf18("3","7","5","10","1","6","1") = "9"
    & skf18("3","7","5","10","1","7","1") = "9"
    & skf18("3","7","5","10","1","8","1") = "9"
    & skf18("3","7","5","10","1","9","1") = "9"
    & skf18("3","7","5","10","1","10","1") = "9"
    & skf18("3","7","5","10","2","1","1") = "9"
    & skf18("3","7","5","10","2","2","1") = "9"
    & skf18("3","7","5","10","2","3","1") = "9"
    & skf18("3","7","5","10","2","4","1") = "9"
    & skf18("3","7","5","10","2","5","1") = "9"
    & skf18("3","7","5","10","2","6","1") = "9"
    & skf18("3","7","5","10","2","7","1") = "9"
    & skf18("3","7","5","10","2","8","1") = "9"
    & skf18("3","7","5","10","2","9","1") = "9"
    & skf18("3","7","5","10","2","10","1") = "9"
    & skf18("3","7","5","10","3","1","1") = "9"
    & skf18("3","7","5","10","3","2","1") = "9"
    & skf18("3","7","5","10","3","3","1") = "9"
    & skf18("3","7","5","10","3","4","1") = "9"
    & skf18("3","7","5","10","3","5","1") = "9"
    & skf18("3","7","5","10","3","6","1") = "9"
    & skf18("3","7","5","10","3","7","1") = "9"
    & skf18("3","7","5","10","3","8","1") = "9"
    & skf18("3","7","5","10","3","9","1") = "9"
    & skf18("3","7","5","10","3","10","1") = "9"
    & skf18("3","7","5","10","4","1","1") = "9"
    & skf18("3","7","5","10","4","2","1") = "9"
    & skf18("3","7","5","10","4","3","1") = "9"
    & skf18("3","7","5","10","4","4","1") = "9"
    & skf18("3","7","5","10","4","5","1") = "9"
    & skf18("3","7","5","10","4","6","1") = "9"
    & skf18("3","7","5","10","4","7","1") = "9"
    & skf18("3","7","5","10","4","8","1") = "9"
    & skf18("3","7","5","10","4","9","1") = "9"
    & skf18("3","7","5","10","4","10","1") = "9"
    & skf18("3","7","5","10","5","1","1") = "9"
    & skf18("3","7","5","10","5","2","1") = "9"
    & skf18("3","7","5","10","5","3","1") = "9"
    & skf18("3","7","5","10","5","4","1") = "9"
    & skf18("3","7","5","10","5","5","1") = "9"
    & skf18("3","7","5","10","5","6","1") = "9"
    & skf18("3","7","5","10","5","7","1") = "9"
    & skf18("3","7","5","10","5","8","1") = "9"
    & skf18("3","7","5","10","5","9","1") = "9"
    & skf18("3","7","5","10","5","10","1") = "9"
    & skf18("3","7","5","10","6","1","1") = "9"
    & skf18("3","7","5","10","6","2","1") = "9"
    & skf18("3","7","5","10","6","3","1") = "9"
    & skf18("3","7","5","10","6","4","1") = "9"
    & skf18("3","7","5","10","6","5","1") = "9"
    & skf18("3","7","5","10","6","6","1") = "9"
    & skf18("3","7","5","10","6","7","1") = "9"
    & skf18("3","7","5","10","6","8","1") = "9"
    & skf18("3","7","5","10","6","9","1") = "9"
    & skf18("3","7","5","10","6","10","1") = "9"
    & skf18("3","7","5","10","7","1","1") = "9"
    & skf18("3","7","5","10","7","2","1") = "9"
    & skf18("3","7","5","10","7","3","1") = "9"
    & skf18("3","7","5","10","7","4","1") = "9"
    & skf18("3","7","5","10","7","5","1") = "9"
    & skf18("3","7","5","10","7","6","1") = "9"
    & skf18("3","7","5","10","7","7","1") = "9"
    & skf18("3","7","5","10","7","8","1") = "9"
    & skf18("3","7","5","10","7","9","1") = "9"
    & skf18("3","7","5","10","7","10","1") = "9"
    & skf18("3","7","5","10","8","1","1") = "9"
    & skf18("3","7","5","10","8","2","1") = "9"
    & skf18("3","7","5","10","8","3","1") = "9"
    & skf18("3","7","5","10","8","4","1") = "9"
    & skf18("3","7","5","10","8","5","1") = "9"
    & skf18("3","7","5","10","8","6","1") = "9"
    & skf18("3","7","5","10","8","7","1") = "9"
    & skf18("3","7","5","10","8","8","1") = "9"
    & skf18("3","7","5","10","8","9","1") = "9"
    & skf18("3","7","5","10","8","10","1") = "9"
    & skf18("3","7","5","10","9","1","1") = "9"
    & skf18("3","7","5","10","9","2","1") = "9"
    & skf18("3","7","5","10","9","3","1") = "9"
    & skf18("3","7","5","10","9","4","1") = "9"
    & skf18("3","7","5","10","9","5","1") = "9"
    & skf18("3","7","5","10","9","6","1") = "9"
    & skf18("3","7","5","10","9","7","1") = "9"
    & skf18("3","7","5","10","9","8","1") = "9"
    & skf18("3","7","5","10","9","9","1") = "9"
    & skf18("3","7","5","10","9","10","1") = "9"
    & skf18("3","7","5","10","10","1","1") = "9"
    & skf18("3","7","5","10","10","2","1") = "9"
    & skf18("3","7","5","10","10","3","1") = "9"
    & skf18("3","7","5","10","10","4","1") = "9"
    & skf18("3","7","5","10","10","5","1") = "9"
    & skf18("3","7","5","10","10","6","1") = "9"
    & skf18("3","7","5","10","10","7","1") = "9"
    & skf18("3","7","5","10","10","8","1") = "9"
    & skf18("3","7","5","10","10","9","1") = "9"
    & skf18("3","7","5","10","10","10","1") = "9"
    & skf18("3","7","6","1","1","1","1") = "6"
    & skf18("3","7","6","1","1","2","1") = "6"
    & skf18("3","7","6","1","1","3","1") = "6"
    & skf18("3","7","6","1","1","4","1") = "6"
    & skf18("3","7","6","1","1","5","1") = "6"
    & skf18("3","7","6","1","1","6","1") = "6"
    & skf18("3","7","6","1","1","7","1") = "6"
    & skf18("3","7","6","1","1","8","1") = "7"
    & skf18("3","7","6","1","1","9","1") = "8"
    & skf18("3","7","6","1","1","10","1") = "9"
    & skf18("3","7","6","1","2","1","1") = "6"
    & skf18("3","7","6","1","2","2","1") = "6"
    & skf18("3","7","6","1","2","3","1") = "6"
    & skf18("3","7","6","1","2","4","1") = "6"
    & skf18("3","7","6","1","2","5","1") = "6"
    & skf18("3","7","6","1","2","6","1") = "6"
    & skf18("3","7","6","1","2","7","1") = "6"
    & skf18("3","7","6","1","2","8","1") = "7"
    & skf18("3","7","6","1","2","9","1") = "8"
    & skf18("3","7","6","1","2","10","1") = "9"
    & skf18("3","7","6","1","3","1","1") = "6"
    & skf18("3","7","6","1","3","2","1") = "6"
    & skf18("3","7","6","1","3","3","1") = "6"
    & skf18("3","7","6","1","3","4","1") = "6"
    & skf18("3","7","6","1","3","5","1") = "6"
    & skf18("3","7","6","1","3","6","1") = "6"
    & skf18("3","7","6","1","3","7","1") = "6"
    & skf18("3","7","6","1","3","8","1") = "7"
    & skf18("3","7","6","1","3","9","1") = "8"
    & skf18("3","7","6","1","3","10","1") = "9"
    & skf18("3","7","6","1","4","1","1") = "6"
    & skf18("3","7","6","1","4","2","1") = "6"
    & skf18("3","7","6","1","4","3","1") = "6"
    & skf18("3","7","6","1","4","4","1") = "6"
    & skf18("3","7","6","1","4","5","1") = "6"
    & skf18("3","7","6","1","4","6","1") = "6"
    & skf18("3","7","6","1","4","7","1") = "6"
    & skf18("3","7","6","1","4","8","1") = "7"
    & skf18("3","7","6","1","4","9","1") = "8"
    & skf18("3","7","6","1","4","10","1") = "9"
    & skf18("3","7","6","1","5","1","1") = "6"
    & skf18("3","7","6","1","5","2","1") = "6"
    & skf18("3","7","6","1","5","3","1") = "6"
    & skf18("3","7","6","1","5","4","1") = "6"
    & skf18("3","7","6","1","5","5","1") = "6"
    & skf18("3","7","6","1","5","6","1") = "6"
    & skf18("3","7","6","1","5","7","1") = "6"
    & skf18("3","7","6","1","5","8","1") = "7"
    & skf18("3","7","6","1","5","9","1") = "8"
    & skf18("3","7","6","1","5","10","1") = "9"
    & skf18("3","7","6","1","6","1","1") = "6"
    & skf18("3","7","6","1","6","2","1") = "6"
    & skf18("3","7","6","1","6","3","1") = "6"
    & skf18("3","7","6","1","6","4","1") = "6"
    & skf18("3","7","6","1","6","5","1") = "6"
    & skf18("3","7","6","1","6","6","1") = "6"
    & skf18("3","7","6","1","6","7","1") = "6"
    & skf18("3","7","6","1","6","8","1") = "7"
    & skf18("3","7","6","1","6","9","1") = "8"
    & skf18("3","7","6","1","6","10","1") = "9"
    & skf18("3","7","6","1","7","1","1") = "6"
    & skf18("3","7","6","1","7","2","1") = "6"
    & skf18("3","7","6","1","7","3","1") = "6"
    & skf18("3","7","6","1","7","4","1") = "6"
    & skf18("3","7","6","1","7","5","1") = "6"
    & skf18("3","7","6","1","7","6","1") = "6"
    & skf18("3","7","6","1","7","7","1") = "6"
    & skf18("3","7","6","1","7","8","1") = "7"
    & skf18("3","7","6","1","7","9","1") = "8"
    & skf18("3","7","6","1","7","10","1") = "9"
    & skf18("3","7","6","1","8","1","1") = "7"
    & skf18("3","7","6","1","8","2","1") = "7"
    & skf18("3","7","6","1","8","3","1") = "7"
    & skf18("3","7","6","1","8","4","1") = "7"
    & skf18("3","7","6","1","8","5","1") = "7"
    & skf18("3","7","6","1","8","6","1") = "7"
    & skf18("3","7","6","1","8","7","1") = "7"
    & skf18("3","7","6","1","8","8","1") = "7"
    & skf18("3","7","6","1","8","9","1") = "8"
    & skf18("3","7","6","1","8","10","1") = "9"
    & skf18("3","7","6","1","9","1","1") = "8"
    & skf18("3","7","6","1","9","2","1") = "8"
    & skf18("3","7","6","1","9","3","1") = "8"
    & skf18("3","7","6","1","9","4","1") = "8"
    & skf18("3","7","6","1","9","5","1") = "8"
    & skf18("3","7","6","1","9","6","1") = "8"
    & skf18("3","7","6","1","9","7","1") = "8"
    & skf18("3","7","6","1","9","8","1") = "8"
    & skf18("3","7","6","1","9","9","1") = "8"
    & skf18("3","7","6","1","9","10","1") = "9"
    & skf18("3","7","6","1","10","1","1") = "9"
    & skf18("3","7","6","1","10","2","1") = "9"
    & skf18("3","7","6","1","10","3","1") = "9"
    & skf18("3","7","6","1","10","4","1") = "9"
    & skf18("3","7","6","1","10","5","1") = "9"
    & skf18("3","7","6","1","10","6","1") = "9"
    & skf18("3","7","6","1","10","7","1") = "9"
    & skf18("3","7","6","1","10","8","1") = "9"
    & skf18("3","7","6","1","10","9","1") = "9"
    & skf18("3","7","6","1","10","10","1") = "9"
    & skf18("3","7","6","2","1","1","1") = "6"
    & skf18("3","7","6","2","1","2","1") = "6"
    & skf18("3","7","6","2","1","3","1") = "6"
    & skf18("3","7","6","2","1","4","1") = "6"
    & skf18("3","7","6","2","1","5","1") = "6"
    & skf18("3","7","6","2","1","6","1") = "6"
    & skf18("3","7","6","2","1","7","1") = "6"
    & skf18("3","7","6","2","1","8","1") = "7"
    & skf18("3","7","6","2","1","9","1") = "8"
    & skf18("3","7","6","2","1","10","1") = "9"
    & skf18("3","7","6","2","2","1","1") = "6"
    & skf18("3","7","6","2","2","2","1") = "6"
    & skf18("3","7","6","2","2","3","1") = "6"
    & skf18("3","7","6","2","2","4","1") = "6"
    & skf18("3","7","6","2","2","5","1") = "6"
    & skf18("3","7","6","2","2","6","1") = "6"
    & skf18("3","7","6","2","2","7","1") = "6"
    & skf18("3","7","6","2","2","8","1") = "7"
    & skf18("3","7","6","2","2","9","1") = "8"
    & skf18("3","7","6","2","2","10","1") = "9"
    & skf18("3","7","6","2","3","1","1") = "6"
    & skf18("3","7","6","2","3","2","1") = "6"
    & skf18("3","7","6","2","3","3","1") = "6"
    & skf18("3","7","6","2","3","4","1") = "6"
    & skf18("3","7","6","2","3","5","1") = "6"
    & skf18("3","7","6","2","3","6","1") = "6"
    & skf18("3","7","6","2","3","7","1") = "6"
    & skf18("3","7","6","2","3","8","1") = "7"
    & skf18("3","7","6","2","3","9","1") = "8"
    & skf18("3","7","6","2","3","10","1") = "9"
    & skf18("3","7","6","2","4","1","1") = "6"
    & skf18("3","7","6","2","4","2","1") = "6"
    & skf18("3","7","6","2","4","3","1") = "6"
    & skf18("3","7","6","2","4","4","1") = "6"
    & skf18("3","7","6","2","4","5","1") = "6"
    & skf18("3","7","6","2","4","6","1") = "6"
    & skf18("3","7","6","2","4","7","1") = "6"
    & skf18("3","7","6","2","4","8","1") = "7"
    & skf18("3","7","6","2","4","9","1") = "8"
    & skf18("3","7","6","2","4","10","1") = "9"
    & skf18("3","7","6","2","5","1","1") = "6"
    & skf18("3","7","6","2","5","2","1") = "6"
    & skf18("3","7","6","2","5","3","1") = "6"
    & skf18("3","7","6","2","5","4","1") = "6"
    & skf18("3","7","6","2","5","5","1") = "6"
    & skf18("3","7","6","2","5","6","1") = "6"
    & skf18("3","7","6","2","5","7","1") = "6"
    & skf18("3","7","6","2","5","8","1") = "7"
    & skf18("3","7","6","2","5","9","1") = "8"
    & skf18("3","7","6","2","5","10","1") = "9"
    & skf18("3","7","6","2","6","1","1") = "6"
    & skf18("3","7","6","2","6","2","1") = "6"
    & skf18("3","7","6","2","6","3","1") = "6"
    & skf18("3","7","6","2","6","4","1") = "6"
    & skf18("3","7","6","2","6","5","1") = "6"
    & skf18("3","7","6","2","6","6","1") = "6"
    & skf18("3","7","6","2","6","7","1") = "6"
    & skf18("3","7","6","2","6","8","1") = "7"
    & skf18("3","7","6","2","6","9","1") = "8"
    & skf18("3","7","6","2","6","10","1") = "9"
    & skf18("3","7","6","2","7","1","1") = "6"
    & skf18("3","7","6","2","7","2","1") = "6"
    & skf18("3","7","6","2","7","3","1") = "6"
    & skf18("3","7","6","2","7","4","1") = "6"
    & skf18("3","7","6","2","7","5","1") = "6"
    & skf18("3","7","6","2","7","6","1") = "6"
    & skf18("3","7","6","2","7","7","1") = "6"
    & skf18("3","7","6","2","7","8","1") = "7"
    & skf18("3","7","6","2","7","9","1") = "8"
    & skf18("3","7","6","2","7","10","1") = "9"
    & skf18("3","7","6","2","8","1","1") = "7"
    & skf18("3","7","6","2","8","2","1") = "7"
    & skf18("3","7","6","2","8","3","1") = "7"
    & skf18("3","7","6","2","8","4","1") = "7"
    & skf18("3","7","6","2","8","5","1") = "7"
    & skf18("3","7","6","2","8","6","1") = "7"
    & skf18("3","7","6","2","8","7","1") = "7"
    & skf18("3","7","6","2","8","8","1") = "7"
    & skf18("3","7","6","2","8","9","1") = "8"
    & skf18("3","7","6","2","8","10","1") = "9"
    & skf18("3","7","6","2","9","1","1") = "8"
    & skf18("3","7","6","2","9","2","1") = "8"
    & skf18("3","7","6","2","9","3","1") = "8"
    & skf18("3","7","6","2","9","4","1") = "8"
    & skf18("3","7","6","2","9","5","1") = "8"
    & skf18("3","7","6","2","9","6","1") = "8"
    & skf18("3","7","6","2","9","7","1") = "8"
    & skf18("3","7","6","2","9","8","1") = "8"
    & skf18("3","7","6","2","9","9","1") = "8"
    & skf18("3","7","6","2","9","10","1") = "9"
    & skf18("3","7","6","2","10","1","1") = "9"
    & skf18("3","7","6","2","10","2","1") = "9"
    & skf18("3","7","6","2","10","3","1") = "9"
    & skf18("3","7","6","2","10","4","1") = "9"
    & skf18("3","7","6","2","10","5","1") = "9"
    & skf18("3","7","6","2","10","6","1") = "9"
    & skf18("3","7","6","2","10","7","1") = "9"
    & skf18("3","7","6","2","10","8","1") = "9"
    & skf18("3","7","6","2","10","9","1") = "9"
    & skf18("3","7","6","2","10","10","1") = "9"
    & skf18("3","7","6","3","1","1","1") = "6"
    & skf18("3","7","6","3","1","2","1") = "6"
    & skf18("3","7","6","3","1","3","1") = "6"
    & skf18("3","7","6","3","1","4","1") = "6"
    & skf18("3","7","6","3","1","5","1") = "6"
    & skf18("3","7","6","3","1","6","1") = "6"
    & skf18("3","7","6","3","1","7","1") = "6"
    & skf18("3","7","6","3","1","8","1") = "7"
    & skf18("3","7","6","3","1","9","1") = "8"
    & skf18("3","7","6","3","1","10","1") = "9"
    & skf18("3","7","6","3","2","1","1") = "6"
    & skf18("3","7","6","3","2","2","1") = "6"
    & skf18("3","7","6","3","2","3","1") = "6"
    & skf18("3","7","6","3","2","4","1") = "6"
    & skf18("3","7","6","3","2","5","1") = "6"
    & skf18("3","7","6","3","2","6","1") = "6"
    & skf18("3","7","6","3","2","7","1") = "6"
    & skf18("3","7","6","3","2","8","1") = "7"
    & skf18("3","7","6","3","2","9","1") = "8"
    & skf18("3","7","6","3","2","10","1") = "9"
    & skf18("3","7","6","3","3","1","1") = "6"
    & skf18("3","7","6","3","3","2","1") = "6"
    & skf18("3","7","6","3","3","3","1") = "6"
    & skf18("3","7","6","3","3","4","1") = "6"
    & skf18("3","7","6","3","3","5","1") = "6"
    & skf18("3","7","6","3","3","6","1") = "6"
    & skf18("3","7","6","3","3","7","1") = "6"
    & skf18("3","7","6","3","3","8","1") = "7"
    & skf18("3","7","6","3","3","9","1") = "8"
    & skf18("3","7","6","3","3","10","1") = "9"
    & skf18("3","7","6","3","4","1","1") = "6"
    & skf18("3","7","6","3","4","2","1") = "6"
    & skf18("3","7","6","3","4","3","1") = "6"
    & skf18("3","7","6","3","4","4","1") = "6"
    & skf18("3","7","6","3","4","5","1") = "6"
    & skf18("3","7","6","3","4","6","1") = "6"
    & skf18("3","7","6","3","4","7","1") = "6"
    & skf18("3","7","6","3","4","8","1") = "7"
    & skf18("3","7","6","3","4","9","1") = "8"
    & skf18("3","7","6","3","4","10","1") = "9"
    & skf18("3","7","6","3","5","1","1") = "6"
    & skf18("3","7","6","3","5","2","1") = "6"
    & skf18("3","7","6","3","5","3","1") = "6"
    & skf18("3","7","6","3","5","4","1") = "6"
    & skf18("3","7","6","3","5","5","1") = "6"
    & skf18("3","7","6","3","5","6","1") = "6"
    & skf18("3","7","6","3","5","7","1") = "6"
    & skf18("3","7","6","3","5","8","1") = "7"
    & skf18("3","7","6","3","5","9","1") = "8"
    & skf18("3","7","6","3","5","10","1") = "9"
    & skf18("3","7","6","3","6","1","1") = "6"
    & skf18("3","7","6","3","6","2","1") = "6"
    & skf18("3","7","6","3","6","3","1") = "6"
    & skf18("3","7","6","3","6","4","1") = "6"
    & skf18("3","7","6","3","6","5","1") = "6"
    & skf18("3","7","6","3","6","6","1") = "6"
    & skf18("3","7","6","3","6","7","1") = "6"
    & skf18("3","7","6","3","6","8","1") = "7"
    & skf18("3","7","6","3","6","9","1") = "8"
    & skf18("3","7","6","3","6","10","1") = "9"
    & skf18("3","7","6","3","7","1","1") = "6"
    & skf18("3","7","6","3","7","2","1") = "6"
    & skf18("3","7","6","3","7","3","1") = "6"
    & skf18("3","7","6","3","7","4","1") = "6"
    & skf18("3","7","6","3","7","5","1") = "6"
    & skf18("3","7","6","3","7","6","1") = "6"
    & skf18("3","7","6","3","7","7","1") = "6"
    & skf18("3","7","6","3","7","8","1") = "7"
    & skf18("3","7","6","3","7","9","1") = "8"
    & skf18("3","7","6","3","7","10","1") = "9"
    & skf18("3","7","6","3","8","1","1") = "7"
    & skf18("3","7","6","3","8","2","1") = "7"
    & skf18("3","7","6","3","8","3","1") = "7"
    & skf18("3","7","6","3","8","4","1") = "7"
    & skf18("3","7","6","3","8","5","1") = "7"
    & skf18("3","7","6","3","8","6","1") = "7"
    & skf18("3","7","6","3","8","7","1") = "7"
    & skf18("3","7","6","3","8","8","1") = "7"
    & skf18("3","7","6","3","8","9","1") = "8"
    & skf18("3","7","6","3","8","10","1") = "9"
    & skf18("3","7","6","3","9","1","1") = "8"
    & skf18("3","7","6","3","9","2","1") = "8"
    & skf18("3","7","6","3","9","3","1") = "8"
    & skf18("3","7","6","3","9","4","1") = "8"
    & skf18("3","7","6","3","9","5","1") = "8"
    & skf18("3","7","6","3","9","6","1") = "8"
    & skf18("3","7","6","3","9","7","1") = "8"
    & skf18("3","7","6","3","9","8","1") = "8"
    & skf18("3","7","6","3","9","9","1") = "8"
    & skf18("3","7","6","3","9","10","1") = "9"
    & skf18("3","7","6","3","10","1","1") = "9"
    & skf18("3","7","6","3","10","2","1") = "9"
    & skf18("3","7","6","3","10","3","1") = "9"
    & skf18("3","7","6","3","10","4","1") = "9"
    & skf18("3","7","6","3","10","5","1") = "9"
    & skf18("3","7","6","3","10","6","1") = "9"
    & skf18("3","7","6","3","10","7","1") = "9"
    & skf18("3","7","6","3","10","8","1") = "9"
    & skf18("3","7","6","3","10","9","1") = "9"
    & skf18("3","7","6","3","10","10","1") = "9"
    & skf18("3","7","6","4","1","1","1") = "6"
    & skf18("3","7","6","4","1","2","1") = "6"
    & skf18("3","7","6","4","1","3","1") = "6"
    & skf18("3","7","6","4","1","4","1") = "6"
    & skf18("3","7","6","4","1","5","1") = "6"
    & skf18("3","7","6","4","1","6","1") = "6"
    & skf18("3","7","6","4","1","7","1") = "6"
    & skf18("3","7","6","4","1","8","1") = "7"
    & skf18("3","7","6","4","1","9","1") = "8"
    & skf18("3","7","6","4","1","10","1") = "9"
    & skf18("3","7","6","4","2","1","1") = "6"
    & skf18("3","7","6","4","2","2","1") = "6"
    & skf18("3","7","6","4","2","3","1") = "6"
    & skf18("3","7","6","4","2","4","1") = "6"
    & skf18("3","7","6","4","2","5","1") = "6"
    & skf18("3","7","6","4","2","6","1") = "6"
    & skf18("3","7","6","4","2","7","1") = "6"
    & skf18("3","7","6","4","2","8","1") = "7"
    & skf18("3","7","6","4","2","9","1") = "8"
    & skf18("3","7","6","4","2","10","1") = "9"
    & skf18("3","7","6","4","3","1","1") = "6"
    & skf18("3","7","6","4","3","2","1") = "6"
    & skf18("3","7","6","4","3","3","1") = "6"
    & skf18("3","7","6","4","3","4","1") = "6"
    & skf18("3","7","6","4","3","5","1") = "6"
    & skf18("3","7","6","4","3","6","1") = "6"
    & skf18("3","7","6","4","3","7","1") = "6"
    & skf18("3","7","6","4","3","8","1") = "7"
    & skf18("3","7","6","4","3","9","1") = "8"
    & skf18("3","7","6","4","3","10","1") = "9"
    & skf18("3","7","6","4","4","1","1") = "6"
    & skf18("3","7","6","4","4","2","1") = "6"
    & skf18("3","7","6","4","4","3","1") = "6"
    & skf18("3","7","6","4","4","4","1") = "6"
    & skf18("3","7","6","4","4","5","1") = "6"
    & skf18("3","7","6","4","4","6","1") = "6"
    & skf18("3","7","6","4","4","7","1") = "6"
    & skf18("3","7","6","4","4","8","1") = "7"
    & skf18("3","7","6","4","4","9","1") = "8"
    & skf18("3","7","6","4","4","10","1") = "9"
    & skf18("3","7","6","4","5","1","1") = "6"
    & skf18("3","7","6","4","5","2","1") = "6"
    & skf18("3","7","6","4","5","3","1") = "6"
    & skf18("3","7","6","4","5","4","1") = "6"
    & skf18("3","7","6","4","5","5","1") = "6"
    & skf18("3","7","6","4","5","6","1") = "6"
    & skf18("3","7","6","4","5","7","1") = "6"
    & skf18("3","7","6","4","5","8","1") = "7"
    & skf18("3","7","6","4","5","9","1") = "8"
    & skf18("3","7","6","4","5","10","1") = "9"
    & skf18("3","7","6","4","6","1","1") = "6"
    & skf18("3","7","6","4","6","2","1") = "6"
    & skf18("3","7","6","4","6","3","1") = "6"
    & skf18("3","7","6","4","6","4","1") = "6"
    & skf18("3","7","6","4","6","5","1") = "6"
    & skf18("3","7","6","4","6","6","1") = "6"
    & skf18("3","7","6","4","6","7","1") = "6"
    & skf18("3","7","6","4","6","8","1") = "7"
    & skf18("3","7","6","4","6","9","1") = "8"
    & skf18("3","7","6","4","6","10","1") = "9"
    & skf18("3","7","6","4","7","1","1") = "6"
    & skf18("3","7","6","4","7","2","1") = "6"
    & skf18("3","7","6","4","7","3","1") = "6"
    & skf18("3","7","6","4","7","4","1") = "6"
    & skf18("3","7","6","4","7","5","1") = "6"
    & skf18("3","7","6","4","7","6","1") = "6"
    & skf18("3","7","6","4","7","7","1") = "6"
    & skf18("3","7","6","4","7","8","1") = "7"
    & skf18("3","7","6","4","7","9","1") = "8"
    & skf18("3","7","6","4","7","10","1") = "9"
    & skf18("3","7","6","4","8","1","1") = "7"
    & skf18("3","7","6","4","8","2","1") = "7"
    & skf18("3","7","6","4","8","3","1") = "7"
    & skf18("3","7","6","4","8","4","1") = "7"
    & skf18("3","7","6","4","8","5","1") = "7"
    & skf18("3","7","6","4","8","6","1") = "7"
    & skf18("3","7","6","4","8","7","1") = "7"
    & skf18("3","7","6","4","8","8","1") = "7"
    & skf18("3","7","6","4","8","9","1") = "8"
    & skf18("3","7","6","4","8","10","1") = "9"
    & skf18("3","7","6","4","9","1","1") = "8"
    & skf18("3","7","6","4","9","2","1") = "8"
    & skf18("3","7","6","4","9","3","1") = "8"
    & skf18("3","7","6","4","9","4","1") = "8"
    & skf18("3","7","6","4","9","5","1") = "8"
    & skf18("3","7","6","4","9","6","1") = "8"
    & skf18("3","7","6","4","9","7","1") = "8"
    & skf18("3","7","6","4","9","8","1") = "8"
    & skf18("3","7","6","4","9","9","1") = "8"
    & skf18("3","7","6","4","9","10","1") = "9"
    & skf18("3","7","6","4","10","1","1") = "9"
    & skf18("3","7","6","4","10","2","1") = "9"
    & skf18("3","7","6","4","10","3","1") = "9"
    & skf18("3","7","6","4","10","4","1") = "9"
    & skf18("3","7","6","4","10","5","1") = "9"
    & skf18("3","7","6","4","10","6","1") = "9"
    & skf18("3","7","6","4","10","7","1") = "9"
    & skf18("3","7","6","4","10","8","1") = "9"
    & skf18("3","7","6","4","10","9","1") = "9"
    & skf18("3","7","6","4","10","10","1") = "9"
    & skf18("3","7","6","5","1","1","1") = "6"
    & skf18("3","7","6","5","1","2","1") = "6"
    & skf18("3","7","6","5","1","3","1") = "6"
    & skf18("3","7","6","5","1","4","1") = "6"
    & skf18("3","7","6","5","1","5","1") = "6"
    & skf18("3","7","6","5","1","6","1") = "6"
    & skf18("3","7","6","5","1","7","1") = "6"
    & skf18("3","7","6","5","1","8","1") = "7"
    & skf18("3","7","6","5","1","9","1") = "8"
    & skf18("3","7","6","5","1","10","1") = "9"
    & skf18("3","7","6","5","2","1","1") = "6"
    & skf18("3","7","6","5","2","2","1") = "6"
    & skf18("3","7","6","5","2","3","1") = "6"
    & skf18("3","7","6","5","2","4","1") = "6"
    & skf18("3","7","6","5","2","5","1") = "6"
    & skf18("3","7","6","5","2","6","1") = "6"
    & skf18("3","7","6","5","2","7","1") = "6"
    & skf18("3","7","6","5","2","8","1") = "7"
    & skf18("3","7","6","5","2","9","1") = "8"
    & skf18("3","7","6","5","2","10","1") = "9"
    & skf18("3","7","6","5","3","1","1") = "6"
    & skf18("3","7","6","5","3","2","1") = "6"
    & skf18("3","7","6","5","3","3","1") = "6"
    & skf18("3","7","6","5","3","4","1") = "6"
    & skf18("3","7","6","5","3","5","1") = "6"
    & skf18("3","7","6","5","3","6","1") = "6"
    & skf18("3","7","6","5","3","7","1") = "6"
    & skf18("3","7","6","5","3","8","1") = "7"
    & skf18("3","7","6","5","3","9","1") = "8"
    & skf18("3","7","6","5","3","10","1") = "9"
    & skf18("3","7","6","5","4","1","1") = "6"
    & skf18("3","7","6","5","4","2","1") = "6"
    & skf18("3","7","6","5","4","3","1") = "6"
    & skf18("3","7","6","5","4","4","1") = "6"
    & skf18("3","7","6","5","4","5","1") = "6"
    & skf18("3","7","6","5","4","6","1") = "6"
    & skf18("3","7","6","5","4","7","1") = "6"
    & skf18("3","7","6","5","4","8","1") = "7"
    & skf18("3","7","6","5","4","9","1") = "8"
    & skf18("3","7","6","5","4","10","1") = "9"
    & skf18("3","7","6","5","5","1","1") = "6"
    & skf18("3","7","6","5","5","2","1") = "6"
    & skf18("3","7","6","5","5","3","1") = "6"
    & skf18("3","7","6","5","5","4","1") = "6"
    & skf18("3","7","6","5","5","5","1") = "6"
    & skf18("3","7","6","5","5","6","1") = "6"
    & skf18("3","7","6","5","5","7","1") = "6"
    & skf18("3","7","6","5","5","8","1") = "7"
    & skf18("3","7","6","5","5","9","1") = "8"
    & skf18("3","7","6","5","5","10","1") = "9"
    & skf18("3","7","6","5","6","1","1") = "6"
    & skf18("3","7","6","5","6","2","1") = "6"
    & skf18("3","7","6","5","6","3","1") = "6"
    & skf18("3","7","6","5","6","4","1") = "6"
    & skf18("3","7","6","5","6","5","1") = "6"
    & skf18("3","7","6","5","6","6","1") = "6"
    & skf18("3","7","6","5","6","7","1") = "6"
    & skf18("3","7","6","5","6","8","1") = "7"
    & skf18("3","7","6","5","6","9","1") = "8"
    & skf18("3","7","6","5","6","10","1") = "9"
    & skf18("3","7","6","5","7","1","1") = "6"
    & skf18("3","7","6","5","7","2","1") = "6"
    & skf18("3","7","6","5","7","3","1") = "6"
    & skf18("3","7","6","5","7","4","1") = "6"
    & skf18("3","7","6","5","7","5","1") = "6"
    & skf18("3","7","6","5","7","6","1") = "6"
    & skf18("3","7","6","5","7","7","1") = "6"
    & skf18("3","7","6","5","7","8","1") = "7"
    & skf18("3","7","6","5","7","9","1") = "8"
    & skf18("3","7","6","5","7","10","1") = "9"
    & skf18("3","7","6","5","8","1","1") = "7"
    & skf18("3","7","6","5","8","2","1") = "7"
    & skf18("3","7","6","5","8","3","1") = "7"
    & skf18("3","7","6","5","8","4","1") = "7"
    & skf18("3","7","6","5","8","5","1") = "7"
    & skf18("3","7","6","5","8","6","1") = "7"
    & skf18("3","7","6","5","8","7","1") = "7"
    & skf18("3","7","6","5","8","8","1") = "7"
    & skf18("3","7","6","5","8","9","1") = "8"
    & skf18("3","7","6","5","8","10","1") = "9"
    & skf18("3","7","6","5","9","1","1") = "8"
    & skf18("3","7","6","5","9","2","1") = "8"
    & skf18("3","7","6","5","9","3","1") = "8"
    & skf18("3","7","6","5","9","4","1") = "8"
    & skf18("3","7","6","5","9","5","1") = "8"
    & skf18("3","7","6","5","9","6","1") = "8"
    & skf18("3","7","6","5","9","7","1") = "8"
    & skf18("3","7","6","5","9","8","1") = "8"
    & skf18("3","7","6","5","9","9","1") = "8"
    & skf18("3","7","6","5","9","10","1") = "9"
    & skf18("3","7","6","5","10","1","1") = "9"
    & skf18("3","7","6","5","10","2","1") = "9"
    & skf18("3","7","6","5","10","3","1") = "9"
    & skf18("3","7","6","5","10","4","1") = "9"
    & skf18("3","7","6","5","10","5","1") = "9"
    & skf18("3","7","6","5","10","6","1") = "9"
    & skf18("3","7","6","5","10","7","1") = "9"
    & skf18("3","7","6","5","10","8","1") = "9"
    & skf18("3","7","6","5","10","9","1") = "9"
    & skf18("3","7","6","5","10","10","1") = "9"
    & skf18("3","7","6","6","1","1","1") = "6"
    & skf18("3","7","6","6","1","2","1") = "6"
    & skf18("3","7","6","6","1","3","1") = "6"
    & skf18("3","7","6","6","1","4","1") = "6"
    & skf18("3","7","6","6","1","5","1") = "6"
    & skf18("3","7","6","6","1","6","1") = "6"
    & skf18("3","7","6","6","1","7","1") = "6"
    & skf18("3","7","6","6","1","8","1") = "7"
    & skf18("3","7","6","6","1","9","1") = "8"
    & skf18("3","7","6","6","1","10","1") = "9"
    & skf18("3","7","6","6","2","1","1") = "6"
    & skf18("3","7","6","6","2","2","1") = "6"
    & skf18("3","7","6","6","2","3","1") = "6"
    & skf18("3","7","6","6","2","4","1") = "6"
    & skf18("3","7","6","6","2","5","1") = "6"
    & skf18("3","7","6","6","2","6","1") = "6"
    & skf18("3","7","6","6","2","7","1") = "6"
    & skf18("3","7","6","6","2","8","1") = "7"
    & skf18("3","7","6","6","2","9","1") = "8"
    & skf18("3","7","6","6","2","10","1") = "9"
    & skf18("3","7","6","6","3","1","1") = "6"
    & skf18("3","7","6","6","3","2","1") = "6"
    & skf18("3","7","6","6","3","3","1") = "6"
    & skf18("3","7","6","6","3","4","1") = "6"
    & skf18("3","7","6","6","3","5","1") = "6"
    & skf18("3","7","6","6","3","6","1") = "6"
    & skf18("3","7","6","6","3","7","1") = "6"
    & skf18("3","7","6","6","3","8","1") = "7"
    & skf18("3","7","6","6","3","9","1") = "8"
    & skf18("3","7","6","6","3","10","1") = "9"
    & skf18("3","7","6","6","4","1","1") = "6"
    & skf18("3","7","6","6","4","2","1") = "6"
    & skf18("3","7","6","6","4","3","1") = "6"
    & skf18("3","7","6","6","4","4","1") = "6"
    & skf18("3","7","6","6","4","5","1") = "6"
    & skf18("3","7","6","6","4","6","1") = "6"
    & skf18("3","7","6","6","4","7","1") = "6"
    & skf18("3","7","6","6","4","8","1") = "7"
    & skf18("3","7","6","6","4","9","1") = "8"
    & skf18("3","7","6","6","4","10","1") = "9"
    & skf18("3","7","6","6","5","1","1") = "6"
    & skf18("3","7","6","6","5","2","1") = "6"
    & skf18("3","7","6","6","5","3","1") = "6"
    & skf18("3","7","6","6","5","4","1") = "6"
    & skf18("3","7","6","6","5","5","1") = "6"
    & skf18("3","7","6","6","5","6","1") = "6"
    & skf18("3","7","6","6","5","7","1") = "6"
    & skf18("3","7","6","6","5","8","1") = "7"
    & skf18("3","7","6","6","5","9","1") = "8"
    & skf18("3","7","6","6","5","10","1") = "9"
    & skf18("3","7","6","6","6","1","1") = "6"
    & skf18("3","7","6","6","6","2","1") = "6"
    & skf18("3","7","6","6","6","3","1") = "6"
    & skf18("3","7","6","6","6","4","1") = "6"
    & skf18("3","7","6","6","6","5","1") = "6"
    & skf18("3","7","6","6","6","6","1") = "6"
    & skf18("3","7","6","6","6","7","1") = "6"
    & skf18("3","7","6","6","6","8","1") = "7"
    & skf18("3","7","6","6","6","9","1") = "8"
    & skf18("3","7","6","6","6","10","1") = "9"
    & skf18("3","7","6","6","7","1","1") = "6"
    & skf18("3","7","6","6","7","2","1") = "6"
    & skf18("3","7","6","6","7","3","1") = "6"
    & skf18("3","7","6","6","7","4","1") = "6"
    & skf18("3","7","6","6","7","5","1") = "6"
    & skf18("3","7","6","6","7","6","1") = "6"
    & skf18("3","7","6","6","7","7","1") = "6"
    & skf18("3","7","6","6","7","8","1") = "7"
    & skf18("3","7","6","6","7","9","1") = "8"
    & skf18("3","7","6","6","7","10","1") = "9"
    & skf18("3","7","6","6","8","1","1") = "7"
    & skf18("3","7","6","6","8","2","1") = "7"
    & skf18("3","7","6","6","8","3","1") = "7"
    & skf18("3","7","6","6","8","4","1") = "7"
    & skf18("3","7","6","6","8","5","1") = "7"
    & skf18("3","7","6","6","8","6","1") = "7"
    & skf18("3","7","6","6","8","7","1") = "7"
    & skf18("3","7","6","6","8","8","1") = "7"
    & skf18("3","7","6","6","8","9","1") = "8"
    & skf18("3","7","6","6","8","10","1") = "9"
    & skf18("3","7","6","6","9","1","1") = "8"
    & skf18("3","7","6","6","9","2","1") = "8"
    & skf18("3","7","6","6","9","3","1") = "8"
    & skf18("3","7","6","6","9","4","1") = "8"
    & skf18("3","7","6","6","9","5","1") = "8"
    & skf18("3","7","6","6","9","6","1") = "8"
    & skf18("3","7","6","6","9","7","1") = "8"
    & skf18("3","7","6","6","9","8","1") = "8"
    & skf18("3","7","6","6","9","9","1") = "8"
    & skf18("3","7","6","6","9","10","1") = "9"
    & skf18("3","7","6","6","10","1","1") = "9"
    & skf18("3","7","6","6","10","2","1") = "9"
    & skf18("3","7","6","6","10","3","1") = "9"
    & skf18("3","7","6","6","10","4","1") = "9"
    & skf18("3","7","6","6","10","5","1") = "9"
    & skf18("3","7","6","6","10","6","1") = "9"
    & skf18("3","7","6","6","10","7","1") = "9"
    & skf18("3","7","6","6","10","8","1") = "9"
    & skf18("3","7","6","6","10","9","1") = "9"
    & skf18("3","7","6","6","10","10","1") = "9"
    & skf18("3","7","6","7","1","1","1") = "6"
    & skf18("3","7","6","7","1","2","1") = "6"
    & skf18("3","7","6","7","1","3","1") = "6"
    & skf18("3","7","6","7","1","4","1") = "6"
    & skf18("3","7","6","7","1","5","1") = "6"
    & skf18("3","7","6","7","1","6","1") = "6"
    & skf18("3","7","6","7","1","7","1") = "6"
    & skf18("3","7","6","7","1","8","1") = "7"
    & skf18("3","7","6","7","1","9","1") = "8"
    & skf18("3","7","6","7","1","10","1") = "9"
    & skf18("3","7","6","7","2","1","1") = "6"
    & skf18("3","7","6","7","2","2","1") = "6"
    & skf18("3","7","6","7","2","3","1") = "6"
    & skf18("3","7","6","7","2","4","1") = "6"
    & skf18("3","7","6","7","2","5","1") = "6"
    & skf18("3","7","6","7","2","6","1") = "6"
    & skf18("3","7","6","7","2","7","1") = "6"
    & skf18("3","7","6","7","2","8","1") = "7"
    & skf18("3","7","6","7","2","9","1") = "8"
    & skf18("3","7","6","7","2","10","1") = "9"
    & skf18("3","7","6","7","3","1","1") = "6"
    & skf18("3","7","6","7","3","2","1") = "6"
    & skf18("3","7","6","7","3","3","1") = "6"
    & skf18("3","7","6","7","3","4","1") = "6"
    & skf18("3","7","6","7","3","5","1") = "6"
    & skf18("3","7","6","7","3","6","1") = "6"
    & skf18("3","7","6","7","3","7","1") = "6"
    & skf18("3","7","6","7","3","8","1") = "7"
    & skf18("3","7","6","7","3","9","1") = "8"
    & skf18("3","7","6","7","3","10","1") = "9"
    & skf18("3","7","6","7","4","1","1") = "6"
    & skf18("3","7","6","7","4","2","1") = "6"
    & skf18("3","7","6","7","4","3","1") = "6"
    & skf18("3","7","6","7","4","4","1") = "6"
    & skf18("3","7","6","7","4","5","1") = "6"
    & skf18("3","7","6","7","4","6","1") = "6"
    & skf18("3","7","6","7","4","7","1") = "6"
    & skf18("3","7","6","7","4","8","1") = "7"
    & skf18("3","7","6","7","4","9","1") = "8"
    & skf18("3","7","6","7","4","10","1") = "9"
    & skf18("3","7","6","7","5","1","1") = "6"
    & skf18("3","7","6","7","5","2","1") = "6"
    & skf18("3","7","6","7","5","3","1") = "6"
    & skf18("3","7","6","7","5","4","1") = "6"
    & skf18("3","7","6","7","5","5","1") = "6"
    & skf18("3","7","6","7","5","6","1") = "6"
    & skf18("3","7","6","7","5","7","1") = "6"
    & skf18("3","7","6","7","5","8","1") = "7"
    & skf18("3","7","6","7","5","9","1") = "8"
    & skf18("3","7","6","7","5","10","1") = "9"
    & skf18("3","7","6","7","6","1","1") = "6"
    & skf18("3","7","6","7","6","2","1") = "6"
    & skf18("3","7","6","7","6","3","1") = "6"
    & skf18("3","7","6","7","6","4","1") = "6"
    & skf18("3","7","6","7","6","5","1") = "6"
    & skf18("3","7","6","7","6","6","1") = "6"
    & skf18("3","7","6","7","6","7","1") = "6"
    & skf18("3","7","6","7","6","8","1") = "7"
    & skf18("3","7","6","7","6","9","1") = "8"
    & skf18("3","7","6","7","6","10","1") = "9"
    & skf18("3","7","6","7","7","1","1") = "6"
    & skf18("3","7","6","7","7","2","1") = "6"
    & skf18("3","7","6","7","7","3","1") = "6"
    & skf18("3","7","6","7","7","4","1") = "6"
    & skf18("3","7","6","7","7","5","1") = "6"
    & skf18("3","7","6","7","7","6","1") = "6"
    & skf18("3","7","6","7","7","7","1") = "6"
    & skf18("3","7","6","7","7","8","1") = "7"
    & skf18("3","7","6","7","7","9","1") = "8"
    & skf18("3","7","6","7","7","10","1") = "9"
    & skf18("3","7","6","7","8","1","1") = "7"
    & skf18("3","7","6","7","8","2","1") = "7"
    & skf18("3","7","6","7","8","3","1") = "7"
    & skf18("3","7","6","7","8","4","1") = "7"
    & skf18("3","7","6","7","8","5","1") = "7"
    & skf18("3","7","6","7","8","6","1") = "7"
    & skf18("3","7","6","7","8","7","1") = "7"
    & skf18("3","7","6","7","8","8","1") = "7"
    & skf18("3","7","6","7","8","9","1") = "8"
    & skf18("3","7","6","7","8","10","1") = "9"
    & skf18("3","7","6","7","9","1","1") = "8"
    & skf18("3","7","6","7","9","2","1") = "8"
    & skf18("3","7","6","7","9","3","1") = "8"
    & skf18("3","7","6","7","9","4","1") = "8"
    & skf18("3","7","6","7","9","5","1") = "8"
    & skf18("3","7","6","7","9","6","1") = "8"
    & skf18("3","7","6","7","9","7","1") = "8"
    & skf18("3","7","6","7","9","8","1") = "8"
    & skf18("3","7","6","7","9","9","1") = "8"
    & skf18("3","7","6","7","9","10","1") = "9"
    & skf18("3","7","6","7","10","1","1") = "9"
    & skf18("3","7","6","7","10","2","1") = "9"
    & skf18("3","7","6","7","10","3","1") = "9"
    & skf18("3","7","6","7","10","4","1") = "9"
    & skf18("3","7","6","7","10","5","1") = "9"
    & skf18("3","7","6","7","10","6","1") = "9"
    & skf18("3","7","6","7","10","7","1") = "9"
    & skf18("3","7","6","7","10","8","1") = "9"
    & skf18("3","7","6","7","10","9","1") = "9"
    & skf18("3","7","6","7","10","10","1") = "9"
    & skf18("3","7","6","8","1","1","1") = "7"
    & skf18("3","7","6","8","1","2","1") = "7"
    & skf18("3","7","6","8","1","3","1") = "7"
    & skf18("3","7","6","8","1","4","1") = "7"
    & skf18("3","7","6","8","1","5","1") = "7"
    & skf18("3","7","6","8","1","6","1") = "7"
    & skf18("3","7","6","8","1","7","1") = "7"
    & skf18("3","7","6","8","1","8","1") = "7"
    & skf18("3","7","6","8","1","9","1") = "8"
    & skf18("3","7","6","8","1","10","1") = "9"
    & skf18("3","7","6","8","2","1","1") = "7"
    & skf18("3","7","6","8","2","2","1") = "7"
    & skf18("3","7","6","8","2","3","1") = "7"
    & skf18("3","7","6","8","2","4","1") = "7"
    & skf18("3","7","6","8","2","5","1") = "7"
    & skf18("3","7","6","8","2","6","1") = "7"
    & skf18("3","7","6","8","2","7","1") = "7"
    & skf18("3","7","6","8","2","8","1") = "7"
    & skf18("3","7","6","8","2","9","1") = "8"
    & skf18("3","7","6","8","2","10","1") = "9"
    & skf18("3","7","6","8","3","1","1") = "7"
    & skf18("3","7","6","8","3","2","1") = "7"
    & skf18("3","7","6","8","3","3","1") = "7"
    & skf18("3","7","6","8","3","4","1") = "7"
    & skf18("3","7","6","8","3","5","1") = "7"
    & skf18("3","7","6","8","3","6","1") = "7"
    & skf18("3","7","6","8","3","7","1") = "7"
    & skf18("3","7","6","8","3","8","1") = "7"
    & skf18("3","7","6","8","3","9","1") = "8"
    & skf18("3","7","6","8","3","10","1") = "9"
    & skf18("3","7","6","8","4","1","1") = "7"
    & skf18("3","7","6","8","4","2","1") = "7"
    & skf18("3","7","6","8","4","3","1") = "7"
    & skf18("3","7","6","8","4","4","1") = "7"
    & skf18("3","7","6","8","4","5","1") = "7"
    & skf18("3","7","6","8","4","6","1") = "7"
    & skf18("3","7","6","8","4","7","1") = "7"
    & skf18("3","7","6","8","4","8","1") = "7"
    & skf18("3","7","6","8","4","9","1") = "8"
    & skf18("3","7","6","8","4","10","1") = "9"
    & skf18("3","7","6","8","5","1","1") = "7"
    & skf18("3","7","6","8","5","2","1") = "7"
    & skf18("3","7","6","8","5","3","1") = "7"
    & skf18("3","7","6","8","5","4","1") = "7"
    & skf18("3","7","6","8","5","5","1") = "7"
    & skf18("3","7","6","8","5","6","1") = "7"
    & skf18("3","7","6","8","5","7","1") = "7"
    & skf18("3","7","6","8","5","8","1") = "7"
    & skf18("3","7","6","8","5","9","1") = "8"
    & skf18("3","7","6","8","5","10","1") = "9"
    & skf18("3","7","6","8","6","1","1") = "7"
    & skf18("3","7","6","8","6","2","1") = "7"
    & skf18("3","7","6","8","6","3","1") = "7"
    & skf18("3","7","6","8","6","4","1") = "7"
    & skf18("3","7","6","8","6","5","1") = "7"
    & skf18("3","7","6","8","6","6","1") = "7"
    & skf18("3","7","6","8","6","7","1") = "7"
    & skf18("3","7","6","8","6","8","1") = "7"
    & skf18("3","7","6","8","6","9","1") = "8"
    & skf18("3","7","6","8","6","10","1") = "9"
    & skf18("3","7","6","8","7","1","1") = "7"
    & skf18("3","7","6","8","7","2","1") = "7"
    & skf18("3","7","6","8","7","3","1") = "7"
    & skf18("3","7","6","8","7","4","1") = "7"
    & skf18("3","7","6","8","7","5","1") = "7"
    & skf18("3","7","6","8","7","6","1") = "7"
    & skf18("3","7","6","8","7","7","1") = "7"
    & skf18("3","7","6","8","7","8","1") = "7"
    & skf18("3","7","6","8","7","9","1") = "8"
    & skf18("3","7","6","8","7","10","1") = "9"
    & skf18("3","7","6","8","8","1","1") = "7"
    & skf18("3","7","6","8","8","2","1") = "7"
    & skf18("3","7","6","8","8","3","1") = "7"
    & skf18("3","7","6","8","8","4","1") = "7"
    & skf18("3","7","6","8","8","5","1") = "7"
    & skf18("3","7","6","8","8","6","1") = "7"
    & skf18("3","7","6","8","8","7","1") = "7"
    & skf18("3","7","6","8","8","8","1") = "7"
    & skf18("3","7","6","8","8","9","1") = "8"
    & skf18("3","7","6","8","8","10","1") = "9"
    & skf18("3","7","6","8","9","1","1") = "8"
    & skf18("3","7","6","8","9","2","1") = "8"
    & skf18("3","7","6","8","9","3","1") = "8"
    & skf18("3","7","6","8","9","4","1") = "8"
    & skf18("3","7","6","8","9","5","1") = "8"
    & skf18("3","7","6","8","9","6","1") = "8"
    & skf18("3","7","6","8","9","7","1") = "8"
    & skf18("3","7","6","8","9","8","1") = "8"
    & skf18("3","7","6","8","9","9","1") = "8"
    & skf18("3","7","6","8","9","10","1") = "9"
    & skf18("3","7","6","8","10","1","1") = "9"
    & skf18("3","7","6","8","10","2","1") = "9"
    & skf18("3","7","6","8","10","3","1") = "9"
    & skf18("3","7","6","8","10","4","1") = "9"
    & skf18("3","7","6","8","10","5","1") = "9"
    & skf18("3","7","6","8","10","6","1") = "9"
    & skf18("3","7","6","8","10","7","1") = "9"
    & skf18("3","7","6","8","10","8","1") = "9"
    & skf18("3","7","6","8","10","9","1") = "9"
    & skf18("3","7","6","8","10","10","1") = "9"
    & skf18("3","7","6","9","1","1","1") = "8"
    & skf18("3","7","6","9","1","2","1") = "8"
    & skf18("3","7","6","9","1","3","1") = "8"
    & skf18("3","7","6","9","1","4","1") = "8"
    & skf18("3","7","6","9","1","5","1") = "8"
    & skf18("3","7","6","9","1","6","1") = "8"
    & skf18("3","7","6","9","1","7","1") = "8"
    & skf18("3","7","6","9","1","8","1") = "8"
    & skf18("3","7","6","9","1","9","1") = "8"
    & skf18("3","7","6","9","1","10","1") = "9"
    & skf18("3","7","6","9","2","1","1") = "8"
    & skf18("3","7","6","9","2","2","1") = "8"
    & skf18("3","7","6","9","2","3","1") = "8"
    & skf18("3","7","6","9","2","4","1") = "8"
    & skf18("3","7","6","9","2","5","1") = "8"
    & skf18("3","7","6","9","2","6","1") = "8"
    & skf18("3","7","6","9","2","7","1") = "8"
    & skf18("3","7","6","9","2","8","1") = "8"
    & skf18("3","7","6","9","2","9","1") = "8"
    & skf18("3","7","6","9","2","10","1") = "9"
    & skf18("3","7","6","9","3","1","1") = "8"
    & skf18("3","7","6","9","3","2","1") = "8"
    & skf18("3","7","6","9","3","3","1") = "8"
    & skf18("3","7","6","9","3","4","1") = "8"
    & skf18("3","7","6","9","3","5","1") = "8"
    & skf18("3","7","6","9","3","6","1") = "8"
    & skf18("3","7","6","9","3","7","1") = "8"
    & skf18("3","7","6","9","3","8","1") = "8"
    & skf18("3","7","6","9","3","9","1") = "8"
    & skf18("3","7","6","9","3","10","1") = "9"
    & skf18("3","7","6","9","4","1","1") = "8"
    & skf18("3","7","6","9","4","2","1") = "8"
    & skf18("3","7","6","9","4","3","1") = "8"
    & skf18("3","7","6","9","4","4","1") = "8"
    & skf18("3","7","6","9","4","5","1") = "8"
    & skf18("3","7","6","9","4","6","1") = "8"
    & skf18("3","7","6","9","4","7","1") = "8"
    & skf18("3","7","6","9","4","8","1") = "8"
    & skf18("3","7","6","9","4","9","1") = "8"
    & skf18("3","7","6","9","4","10","1") = "9"
    & skf18("3","7","6","9","5","1","1") = "8"
    & skf18("3","7","6","9","5","2","1") = "8"
    & skf18("3","7","6","9","5","3","1") = "8"
    & skf18("3","7","6","9","5","4","1") = "8"
    & skf18("3","7","6","9","5","5","1") = "8"
    & skf18("3","7","6","9","5","6","1") = "8"
    & skf18("3","7","6","9","5","7","1") = "8"
    & skf18("3","7","6","9","5","8","1") = "8"
    & skf18("3","7","6","9","5","9","1") = "8"
    & skf18("3","7","6","9","5","10","1") = "9"
    & skf18("3","7","6","9","6","1","1") = "8"
    & skf18("3","7","6","9","6","2","1") = "8"
    & skf18("3","7","6","9","6","3","1") = "8"
    & skf18("3","7","6","9","6","4","1") = "8"
    & skf18("3","7","6","9","6","5","1") = "8"
    & skf18("3","7","6","9","6","6","1") = "8"
    & skf18("3","7","6","9","6","7","1") = "8"
    & skf18("3","7","6","9","6","8","1") = "8"
    & skf18("3","7","6","9","6","9","1") = "8"
    & skf18("3","7","6","9","6","10","1") = "9"
    & skf18("3","7","6","9","7","1","1") = "8"
    & skf18("3","7","6","9","7","2","1") = "8"
    & skf18("3","7","6","9","7","3","1") = "8"
    & skf18("3","7","6","9","7","4","1") = "8"
    & skf18("3","7","6","9","7","5","1") = "8"
    & skf18("3","7","6","9","7","6","1") = "8"
    & skf18("3","7","6","9","7","7","1") = "8"
    & skf18("3","7","6","9","7","8","1") = "8"
    & skf18("3","7","6","9","7","9","1") = "8"
    & skf18("3","7","6","9","7","10","1") = "9"
    & skf18("3","7","6","9","8","1","1") = "8"
    & skf18("3","7","6","9","8","2","1") = "8"
    & skf18("3","7","6","9","8","3","1") = "8"
    & skf18("3","7","6","9","8","4","1") = "8"
    & skf18("3","7","6","9","8","5","1") = "8"
    & skf18("3","7","6","9","8","6","1") = "8"
    & skf18("3","7","6","9","8","7","1") = "8"
    & skf18("3","7","6","9","8","8","1") = "8"
    & skf18("3","7","6","9","8","9","1") = "8"
    & skf18("3","7","6","9","8","10","1") = "9"
    & skf18("3","7","6","9","9","1","1") = "8"
    & skf18("3","7","6","9","9","2","1") = "8"
    & skf18("3","7","6","9","9","3","1") = "8"
    & skf18("3","7","6","9","9","4","1") = "8"
    & skf18("3","7","6","9","9","5","1") = "8"
    & skf18("3","7","6","9","9","6","1") = "8"
    & skf18("3","7","6","9","9","7","1") = "8"
    & skf18("3","7","6","9","9","8","1") = "8"
    & skf18("3","7","6","9","9","9","1") = "8"
    & skf18("3","7","6","9","9","10","1") = "9"
    & skf18("3","7","6","9","10","1","1") = "9"
    & skf18("3","7","6","9","10","2","1") = "9"
    & skf18("3","7","6","9","10","3","1") = "9"
    & skf18("3","7","6","9","10","4","1") = "9"
    & skf18("3","7","6","9","10","5","1") = "9"
    & skf18("3","7","6","9","10","6","1") = "9"
    & skf18("3","7","6","9","10","7","1") = "9"
    & skf18("3","7","6","9","10","8","1") = "9"
    & skf18("3","7","6","9","10","9","1") = "9"
    & skf18("3","7","6","9","10","10","1") = "9"
    & skf18("3","7","6","10","1","1","1") = "9"
    & skf18("3","7","6","10","1","2","1") = "9"
    & skf18("3","7","6","10","1","3","1") = "9"
    & skf18("3","7","6","10","1","4","1") = "9"
    & skf18("3","7","6","10","1","5","1") = "9"
    & skf18("3","7","6","10","1","6","1") = "9"
    & skf18("3","7","6","10","1","7","1") = "9"
    & skf18("3","7","6","10","1","8","1") = "9"
    & skf18("3","7","6","10","1","9","1") = "9"
    & skf18("3","7","6","10","1","10","1") = "9"
    & skf18("3","7","6","10","2","1","1") = "9"
    & skf18("3","7","6","10","2","2","1") = "9"
    & skf18("3","7","6","10","2","3","1") = "9"
    & skf18("3","7","6","10","2","4","1") = "9"
    & skf18("3","7","6","10","2","5","1") = "9"
    & skf18("3","7","6","10","2","6","1") = "9"
    & skf18("3","7","6","10","2","7","1") = "9"
    & skf18("3","7","6","10","2","8","1") = "9"
    & skf18("3","7","6","10","2","9","1") = "9"
    & skf18("3","7","6","10","2","10","1") = "9"
    & skf18("3","7","6","10","3","1","1") = "9"
    & skf18("3","7","6","10","3","2","1") = "9"
    & skf18("3","7","6","10","3","3","1") = "9"
    & skf18("3","7","6","10","3","4","1") = "9"
    & skf18("3","7","6","10","3","5","1") = "9"
    & skf18("3","7","6","10","3","6","1") = "9"
    & skf18("3","7","6","10","3","7","1") = "9"
    & skf18("3","7","6","10","3","8","1") = "9"
    & skf18("3","7","6","10","3","9","1") = "9"
    & skf18("3","7","6","10","3","10","1") = "9"
    & skf18("3","7","6","10","4","1","1") = "9"
    & skf18("3","7","6","10","4","2","1") = "9"
    & skf18("3","7","6","10","4","3","1") = "9"
    & skf18("3","7","6","10","4","4","1") = "9"
    & skf18("3","7","6","10","4","5","1") = "9"
    & skf18("3","7","6","10","4","6","1") = "9"
    & skf18("3","7","6","10","4","7","1") = "9"
    & skf18("3","7","6","10","4","8","1") = "9"
    & skf18("3","7","6","10","4","9","1") = "9"
    & skf18("3","7","6","10","4","10","1") = "9"
    & skf18("3","7","6","10","5","1","1") = "9"
    & skf18("3","7","6","10","5","2","1") = "9"
    & skf18("3","7","6","10","5","3","1") = "9"
    & skf18("3","7","6","10","5","4","1") = "9"
    & skf18("3","7","6","10","5","5","1") = "9"
    & skf18("3","7","6","10","5","6","1") = "9"
    & skf18("3","7","6","10","5","7","1") = "9"
    & skf18("3","7","6","10","5","8","1") = "9"
    & skf18("3","7","6","10","5","9","1") = "9"
    & skf18("3","7","6","10","5","10","1") = "9"
    & skf18("3","7","6","10","6","1","1") = "9"
    & skf18("3","7","6","10","6","2","1") = "9"
    & skf18("3","7","6","10","6","3","1") = "9"
    & skf18("3","7","6","10","6","4","1") = "9"
    & skf18("3","7","6","10","6","5","1") = "9"
    & skf18("3","7","6","10","6","6","1") = "9"
    & skf18("3","7","6","10","6","7","1") = "9"
    & skf18("3","7","6","10","6","8","1") = "9"
    & skf18("3","7","6","10","6","9","1") = "9"
    & skf18("3","7","6","10","6","10","1") = "9"
    & skf18("3","7","6","10","7","1","1") = "9"
    & skf18("3","7","6","10","7","2","1") = "9"
    & skf18("3","7","6","10","7","3","1") = "9"
    & skf18("3","7","6","10","7","4","1") = "9"
    & skf18("3","7","6","10","7","5","1") = "9"
    & skf18("3","7","6","10","7","6","1") = "9"
    & skf18("3","7","6","10","7","7","1") = "9"
    & skf18("3","7","6","10","7","8","1") = "9"
    & skf18("3","7","6","10","7","9","1") = "9"
    & skf18("3","7","6","10","7","10","1") = "9"
    & skf18("3","7","6","10","8","1","1") = "9"
    & skf18("3","7","6","10","8","2","1") = "9"
    & skf18("3","7","6","10","8","3","1") = "9"
    & skf18("3","7","6","10","8","4","1") = "9"
    & skf18("3","7","6","10","8","5","1") = "9"
    & skf18("3","7","6","10","8","6","1") = "9"
    & skf18("3","7","6","10","8","7","1") = "9"
    & skf18("3","7","6","10","8","8","1") = "9"
    & skf18("3","7","6","10","8","9","1") = "9"
    & skf18("3","7","6","10","8","10","1") = "9"
    & skf18("3","7","6","10","9","1","1") = "9"
    & skf18("3","7","6","10","9","2","1") = "9"
    & skf18("3","7","6","10","9","3","1") = "9"
    & skf18("3","7","6","10","9","4","1") = "9"
    & skf18("3","7","6","10","9","5","1") = "9"
    & skf18("3","7","6","10","9","6","1") = "9"
    & skf18("3","7","6","10","9","7","1") = "9"
    & skf18("3","7","6","10","9","8","1") = "9"
    & skf18("3","7","6","10","9","9","1") = "9"
    & skf18("3","7","6","10","9","10","1") = "9"
    & skf18("3","7","6","10","10","1","1") = "9"
    & skf18("3","7","6","10","10","2","1") = "9"
    & skf18("3","7","6","10","10","3","1") = "9"
    & skf18("3","7","6","10","10","4","1") = "9"
    & skf18("3","7","6","10","10","5","1") = "9"
    & skf18("3","7","6","10","10","6","1") = "9"
    & skf18("3","7","6","10","10","7","1") = "9"
    & skf18("3","7","6","10","10","8","1") = "9"
    & skf18("3","7","6","10","10","9","1") = "9"
    & skf18("3","7","6","10","10","10","1") = "9"
    & skf18("3","7","7","1","1","1","1") = "6"
    & skf18("3","7","7","1","1","2","1") = "6"
    & skf18("3","7","7","1","1","3","1") = "6"
    & skf18("3","7","7","1","1","4","1") = "6"
    & skf18("3","7","7","1","1","5","1") = "6"
    & skf18("3","7","7","1","1","6","1") = "6"
    & skf18("3","7","7","1","1","7","1") = "6"
    & skf18("3","7","7","1","1","8","1") = "7"
    & skf18("3","7","7","1","1","9","1") = "8"
    & skf18("3","7","7","1","1","10","1") = "9"
    & skf18("3","7","7","1","2","1","1") = "6"
    & skf18("3","7","7","1","2","2","1") = "6"
    & skf18("3","7","7","1","2","3","1") = "6"
    & skf18("3","7","7","1","2","4","1") = "6"
    & skf18("3","7","7","1","2","5","1") = "6"
    & skf18("3","7","7","1","2","6","1") = "6"
    & skf18("3","7","7","1","2","7","1") = "6"
    & skf18("3","7","7","1","2","8","1") = "7"
    & skf18("3","7","7","1","2","9","1") = "8"
    & skf18("3","7","7","1","2","10","1") = "9"
    & skf18("3","7","7","1","3","1","1") = "6"
    & skf18("3","7","7","1","3","2","1") = "6"
    & skf18("3","7","7","1","3","3","1") = "6"
    & skf18("3","7","7","1","3","4","1") = "6"
    & skf18("3","7","7","1","3","5","1") = "6"
    & skf18("3","7","7","1","3","6","1") = "6"
    & skf18("3","7","7","1","3","7","1") = "6"
    & skf18("3","7","7","1","3","8","1") = "7"
    & skf18("3","7","7","1","3","9","1") = "8"
    & skf18("3","7","7","1","3","10","1") = "9"
    & skf18("3","7","7","1","4","1","1") = "6"
    & skf18("3","7","7","1","4","2","1") = "6"
    & skf18("3","7","7","1","4","3","1") = "6"
    & skf18("3","7","7","1","4","4","1") = "6"
    & skf18("3","7","7","1","4","5","1") = "6"
    & skf18("3","7","7","1","4","6","1") = "6"
    & skf18("3","7","7","1","4","7","1") = "6"
    & skf18("3","7","7","1","4","8","1") = "7"
    & skf18("3","7","7","1","4","9","1") = "8"
    & skf18("3","7","7","1","4","10","1") = "9"
    & skf18("3","7","7","1","5","1","1") = "6"
    & skf18("3","7","7","1","5","2","1") = "6"
    & skf18("3","7","7","1","5","3","1") = "6"
    & skf18("3","7","7","1","5","4","1") = "6"
    & skf18("3","7","7","1","5","5","1") = "6"
    & skf18("3","7","7","1","5","6","1") = "6"
    & skf18("3","7","7","1","5","7","1") = "6"
    & skf18("3","7","7","1","5","8","1") = "7"
    & skf18("3","7","7","1","5","9","1") = "8"
    & skf18("3","7","7","1","5","10","1") = "9"
    & skf18("3","7","7","1","6","1","1") = "6"
    & skf18("3","7","7","1","6","2","1") = "6"
    & skf18("3","7","7","1","6","3","1") = "6"
    & skf18("3","7","7","1","6","4","1") = "6"
    & skf18("3","7","7","1","6","5","1") = "6"
    & skf18("3","7","7","1","6","6","1") = "6"
    & skf18("3","7","7","1","6","7","1") = "6"
    & skf18("3","7","7","1","6","8","1") = "7"
    & skf18("3","7","7","1","6","9","1") = "8"
    & skf18("3","7","7","1","6","10","1") = "9"
    & skf18("3","7","7","1","7","1","1") = "6"
    & skf18("3","7","7","1","7","2","1") = "6"
    & skf18("3","7","7","1","7","3","1") = "6"
    & skf18("3","7","7","1","7","4","1") = "6"
    & skf18("3","7","7","1","7","5","1") = "6"
    & skf18("3","7","7","1","7","6","1") = "6"
    & skf18("3","7","7","1","7","7","1") = "6"
    & skf18("3","7","7","1","7","8","1") = "7"
    & skf18("3","7","7","1","7","9","1") = "8"
    & skf18("3","7","7","1","7","10","1") = "9"
    & skf18("3","7","7","1","8","1","1") = "7"
    & skf18("3","7","7","1","8","2","1") = "7"
    & skf18("3","7","7","1","8","3","1") = "7"
    & skf18("3","7","7","1","8","4","1") = "7"
    & skf18("3","7","7","1","8","5","1") = "7"
    & skf18("3","7","7","1","8","6","1") = "7"
    & skf18("3","7","7","1","8","7","1") = "7"
    & skf18("3","7","7","1","8","8","1") = "7"
    & skf18("3","7","7","1","8","9","1") = "8"
    & skf18("3","7","7","1","8","10","1") = "9"
    & skf18("3","7","7","1","9","1","1") = "8"
    & skf18("3","7","7","1","9","2","1") = "8"
    & skf18("3","7","7","1","9","3","1") = "8"
    & skf18("3","7","7","1","9","4","1") = "8"
    & skf18("3","7","7","1","9","5","1") = "8"
    & skf18("3","7","7","1","9","6","1") = "8"
    & skf18("3","7","7","1","9","7","1") = "8"
    & skf18("3","7","7","1","9","8","1") = "8"
    & skf18("3","7","7","1","9","9","1") = "8"
    & skf18("3","7","7","1","9","10","1") = "9"
    & skf18("3","7","7","1","10","1","1") = "9"
    & skf18("3","7","7","1","10","2","1") = "9"
    & skf18("3","7","7","1","10","3","1") = "9"
    & skf18("3","7","7","1","10","4","1") = "9"
    & skf18("3","7","7","1","10","5","1") = "9"
    & skf18("3","7","7","1","10","6","1") = "9"
    & skf18("3","7","7","1","10","7","1") = "9"
    & skf18("3","7","7","1","10","8","1") = "9"
    & skf18("3","7","7","1","10","9","1") = "9"
    & skf18("3","7","7","1","10","10","1") = "9"
    & skf18("3","7","7","2","1","1","1") = "6"
    & skf18("3","7","7","2","1","2","1") = "6"
    & skf18("3","7","7","2","1","3","1") = "6"
    & skf18("3","7","7","2","1","4","1") = "6"
    & skf18("3","7","7","2","1","5","1") = "6"
    & skf18("3","7","7","2","1","6","1") = "6"
    & skf18("3","7","7","2","1","7","1") = "6"
    & skf18("3","7","7","2","1","8","1") = "7"
    & skf18("3","7","7","2","1","9","1") = "8"
    & skf18("3","7","7","2","1","10","1") = "9"
    & skf18("3","7","7","2","2","1","1") = "6"
    & skf18("3","7","7","2","2","2","1") = "6"
    & skf18("3","7","7","2","2","3","1") = "6"
    & skf18("3","7","7","2","2","4","1") = "6"
    & skf18("3","7","7","2","2","5","1") = "6"
    & skf18("3","7","7","2","2","6","1") = "6"
    & skf18("3","7","7","2","2","7","1") = "6"
    & skf18("3","7","7","2","2","8","1") = "7"
    & skf18("3","7","7","2","2","9","1") = "8"
    & skf18("3","7","7","2","2","10","1") = "9"
    & skf18("3","7","7","2","3","1","1") = "6"
    & skf18("3","7","7","2","3","2","1") = "6"
    & skf18("3","7","7","2","3","3","1") = "6"
    & skf18("3","7","7","2","3","4","1") = "6"
    & skf18("3","7","7","2","3","5","1") = "6"
    & skf18("3","7","7","2","3","6","1") = "6"
    & skf18("3","7","7","2","3","7","1") = "6"
    & skf18("3","7","7","2","3","8","1") = "7"
    & skf18("3","7","7","2","3","9","1") = "8"
    & skf18("3","7","7","2","3","10","1") = "9"
    & skf18("3","7","7","2","4","1","1") = "6"
    & skf18("3","7","7","2","4","2","1") = "6"
    & skf18("3","7","7","2","4","3","1") = "6"
    & skf18("3","7","7","2","4","4","1") = "6"
    & skf18("3","7","7","2","4","5","1") = "6"
    & skf18("3","7","7","2","4","6","1") = "6"
    & skf18("3","7","7","2","4","7","1") = "6"
    & skf18("3","7","7","2","4","8","1") = "7"
    & skf18("3","7","7","2","4","9","1") = "8"
    & skf18("3","7","7","2","4","10","1") = "9"
    & skf18("3","7","7","2","5","1","1") = "6"
    & skf18("3","7","7","2","5","2","1") = "6"
    & skf18("3","7","7","2","5","3","1") = "6"
    & skf18("3","7","7","2","5","4","1") = "6"
    & skf18("3","7","7","2","5","5","1") = "6"
    & skf18("3","7","7","2","5","6","1") = "6"
    & skf18("3","7","7","2","5","7","1") = "6"
    & skf18("3","7","7","2","5","8","1") = "7"
    & skf18("3","7","7","2","5","9","1") = "8"
    & skf18("3","7","7","2","5","10","1") = "9"
    & skf18("3","7","7","2","6","1","1") = "6"
    & skf18("3","7","7","2","6","2","1") = "6"
    & skf18("3","7","7","2","6","3","1") = "6"
    & skf18("3","7","7","2","6","4","1") = "6"
    & skf18("3","7","7","2","6","5","1") = "6"
    & skf18("3","7","7","2","6","6","1") = "6"
    & skf18("3","7","7","2","6","7","1") = "6"
    & skf18("3","7","7","2","6","8","1") = "7"
    & skf18("3","7","7","2","6","9","1") = "8"
    & skf18("3","7","7","2","6","10","1") = "9"
    & skf18("3","7","7","2","7","1","1") = "6"
    & skf18("3","7","7","2","7","2","1") = "6"
    & skf18("3","7","7","2","7","3","1") = "6"
    & skf18("3","7","7","2","7","4","1") = "6"
    & skf18("3","7","7","2","7","5","1") = "6"
    & skf18("3","7","7","2","7","6","1") = "6"
    & skf18("3","7","7","2","7","7","1") = "6"
    & skf18("3","7","7","2","7","8","1") = "7"
    & skf18("3","7","7","2","7","9","1") = "8"
    & skf18("3","7","7","2","7","10","1") = "9"
    & skf18("3","7","7","2","8","1","1") = "7"
    & skf18("3","7","7","2","8","2","1") = "7"
    & skf18("3","7","7","2","8","3","1") = "7"
    & skf18("3","7","7","2","8","4","1") = "7"
    & skf18("3","7","7","2","8","5","1") = "7"
    & skf18("3","7","7","2","8","6","1") = "7"
    & skf18("3","7","7","2","8","7","1") = "7"
    & skf18("3","7","7","2","8","8","1") = "7"
    & skf18("3","7","7","2","8","9","1") = "8"
    & skf18("3","7","7","2","8","10","1") = "9"
    & skf18("3","7","7","2","9","1","1") = "8"
    & skf18("3","7","7","2","9","2","1") = "8"
    & skf18("3","7","7","2","9","3","1") = "8"
    & skf18("3","7","7","2","9","4","1") = "8"
    & skf18("3","7","7","2","9","5","1") = "8"
    & skf18("3","7","7","2","9","6","1") = "8"
    & skf18("3","7","7","2","9","7","1") = "8"
    & skf18("3","7","7","2","9","8","1") = "8"
    & skf18("3","7","7","2","9","9","1") = "8"
    & skf18("3","7","7","2","9","10","1") = "9"
    & skf18("3","7","7","2","10","1","1") = "9"
    & skf18("3","7","7","2","10","2","1") = "9"
    & skf18("3","7","7","2","10","3","1") = "9"
    & skf18("3","7","7","2","10","4","1") = "9"
    & skf18("3","7","7","2","10","5","1") = "9"
    & skf18("3","7","7","2","10","6","1") = "9"
    & skf18("3","7","7","2","10","7","1") = "9"
    & skf18("3","7","7","2","10","8","1") = "9"
    & skf18("3","7","7","2","10","9","1") = "9"
    & skf18("3","7","7","2","10","10","1") = "9"
    & skf18("3","7","7","3","1","1","1") = "6"
    & skf18("3","7","7","3","1","2","1") = "6"
    & skf18("3","7","7","3","1","3","1") = "6"
    & skf18("3","7","7","3","1","4","1") = "6"
    & skf18("3","7","7","3","1","5","1") = "6"
    & skf18("3","7","7","3","1","6","1") = "6"
    & skf18("3","7","7","3","1","7","1") = "6"
    & skf18("3","7","7","3","1","8","1") = "7"
    & skf18("3","7","7","3","1","9","1") = "8"
    & skf18("3","7","7","3","1","10","1") = "9"
    & skf18("3","7","7","3","2","1","1") = "6"
    & skf18("3","7","7","3","2","2","1") = "6"
    & skf18("3","7","7","3","2","3","1") = "6"
    & skf18("3","7","7","3","2","4","1") = "6"
    & skf18("3","7","7","3","2","5","1") = "6"
    & skf18("3","7","7","3","2","6","1") = "6"
    & skf18("3","7","7","3","2","7","1") = "6"
    & skf18("3","7","7","3","2","8","1") = "7"
    & skf18("3","7","7","3","2","9","1") = "8"
    & skf18("3","7","7","3","2","10","1") = "9"
    & skf18("3","7","7","3","3","1","1") = "6"
    & skf18("3","7","7","3","3","2","1") = "6"
    & skf18("3","7","7","3","3","3","1") = "6"
    & skf18("3","7","7","3","3","4","1") = "6"
    & skf18("3","7","7","3","3","5","1") = "6"
    & skf18("3","7","7","3","3","6","1") = "6"
    & skf18("3","7","7","3","3","7","1") = "6"
    & skf18("3","7","7","3","3","8","1") = "7"
    & skf18("3","7","7","3","3","9","1") = "8"
    & skf18("3","7","7","3","3","10","1") = "9"
    & skf18("3","7","7","3","4","1","1") = "6"
    & skf18("3","7","7","3","4","2","1") = "6"
    & skf18("3","7","7","3","4","3","1") = "6"
    & skf18("3","7","7","3","4","4","1") = "6"
    & skf18("3","7","7","3","4","5","1") = "6"
    & skf18("3","7","7","3","4","6","1") = "6"
    & skf18("3","7","7","3","4","7","1") = "6"
    & skf18("3","7","7","3","4","8","1") = "7"
    & skf18("3","7","7","3","4","9","1") = "8"
    & skf18("3","7","7","3","4","10","1") = "9"
    & skf18("3","7","7","3","5","1","1") = "6"
    & skf18("3","7","7","3","5","2","1") = "6"
    & skf18("3","7","7","3","5","3","1") = "6"
    & skf18("3","7","7","3","5","4","1") = "6"
    & skf18("3","7","7","3","5","5","1") = "6"
    & skf18("3","7","7","3","5","6","1") = "6"
    & skf18("3","7","7","3","5","7","1") = "6"
    & skf18("3","7","7","3","5","8","1") = "7"
    & skf18("3","7","7","3","5","9","1") = "8"
    & skf18("3","7","7","3","5","10","1") = "9"
    & skf18("3","7","7","3","6","1","1") = "6"
    & skf18("3","7","7","3","6","2","1") = "6"
    & skf18("3","7","7","3","6","3","1") = "6"
    & skf18("3","7","7","3","6","4","1") = "6"
    & skf18("3","7","7","3","6","5","1") = "6"
    & skf18("3","7","7","3","6","6","1") = "6"
    & skf18("3","7","7","3","6","7","1") = "6"
    & skf18("3","7","7","3","6","8","1") = "7"
    & skf18("3","7","7","3","6","9","1") = "8"
    & skf18("3","7","7","3","6","10","1") = "9"
    & skf18("3","7","7","3","7","1","1") = "6"
    & skf18("3","7","7","3","7","2","1") = "6"
    & skf18("3","7","7","3","7","3","1") = "6"
    & skf18("3","7","7","3","7","4","1") = "6"
    & skf18("3","7","7","3","7","5","1") = "6"
    & skf18("3","7","7","3","7","6","1") = "6"
    & skf18("3","7","7","3","7","7","1") = "6"
    & skf18("3","7","7","3","7","8","1") = "7"
    & skf18("3","7","7","3","7","9","1") = "8"
    & skf18("3","7","7","3","7","10","1") = "9"
    & skf18("3","7","7","3","8","1","1") = "7"
    & skf18("3","7","7","3","8","2","1") = "7"
    & skf18("3","7","7","3","8","3","1") = "7"
    & skf18("3","7","7","3","8","4","1") = "7"
    & skf18("3","7","7","3","8","5","1") = "7"
    & skf18("3","7","7","3","8","6","1") = "7"
    & skf18("3","7","7","3","8","7","1") = "7"
    & skf18("3","7","7","3","8","8","1") = "7"
    & skf18("3","7","7","3","8","9","1") = "8"
    & skf18("3","7","7","3","8","10","1") = "9"
    & skf18("3","7","7","3","9","1","1") = "8"
    & skf18("3","7","7","3","9","2","1") = "8"
    & skf18("3","7","7","3","9","3","1") = "8"
    & skf18("3","7","7","3","9","4","1") = "8"
    & skf18("3","7","7","3","9","5","1") = "8"
    & skf18("3","7","7","3","9","6","1") = "8"
    & skf18("3","7","7","3","9","7","1") = "8"
    & skf18("3","7","7","3","9","8","1") = "8"
    & skf18("3","7","7","3","9","9","1") = "8"
    & skf18("3","7","7","3","9","10","1") = "9"
    & skf18("3","7","7","3","10","1","1") = "9"
    & skf18("3","7","7","3","10","2","1") = "9"
    & skf18("3","7","7","3","10","3","1") = "9"
    & skf18("3","7","7","3","10","4","1") = "9"
    & skf18("3","7","7","3","10","5","1") = "9"
    & skf18("3","7","7","3","10","6","1") = "9"
    & skf18("3","7","7","3","10","7","1") = "9"
    & skf18("3","7","7","3","10","8","1") = "9"
    & skf18("3","7","7","3","10","9","1") = "9"
    & skf18("3","7","7","3","10","10","1") = "9"
    & skf18("3","7","7","4","1","1","1") = "6"
    & skf18("3","7","7","4","1","2","1") = "6"
    & skf18("3","7","7","4","1","3","1") = "6"
    & skf18("3","7","7","4","1","4","1") = "6"
    & skf18("3","7","7","4","1","5","1") = "6"
    & skf18("3","7","7","4","1","6","1") = "6"
    & skf18("3","7","7","4","1","7","1") = "6"
    & skf18("3","7","7","4","1","8","1") = "7"
    & skf18("3","7","7","4","1","9","1") = "8"
    & skf18("3","7","7","4","1","10","1") = "9"
    & skf18("3","7","7","4","2","1","1") = "6"
    & skf18("3","7","7","4","2","2","1") = "6"
    & skf18("3","7","7","4","2","3","1") = "6"
    & skf18("3","7","7","4","2","4","1") = "6"
    & skf18("3","7","7","4","2","5","1") = "6"
    & skf18("3","7","7","4","2","6","1") = "6"
    & skf18("3","7","7","4","2","7","1") = "6"
    & skf18("3","7","7","4","2","8","1") = "7"
    & skf18("3","7","7","4","2","9","1") = "8"
    & skf18("3","7","7","4","2","10","1") = "9"
    & skf18("3","7","7","4","3","1","1") = "6"
    & skf18("3","7","7","4","3","2","1") = "6"
    & skf18("3","7","7","4","3","3","1") = "6"
    & skf18("3","7","7","4","3","4","1") = "6"
    & skf18("3","7","7","4","3","5","1") = "6"
    & skf18("3","7","7","4","3","6","1") = "6"
    & skf18("3","7","7","4","3","7","1") = "6"
    & skf18("3","7","7","4","3","8","1") = "7"
    & skf18("3","7","7","4","3","9","1") = "8"
    & skf18("3","7","7","4","3","10","1") = "9"
    & skf18("3","7","7","4","4","1","1") = "6"
    & skf18("3","7","7","4","4","2","1") = "6"
    & skf18("3","7","7","4","4","3","1") = "6"
    & skf18("3","7","7","4","4","4","1") = "6"
    & skf18("3","7","7","4","4","5","1") = "6"
    & skf18("3","7","7","4","4","6","1") = "6"
    & skf18("3","7","7","4","4","7","1") = "6"
    & skf18("3","7","7","4","4","8","1") = "7"
    & skf18("3","7","7","4","4","9","1") = "8"
    & skf18("3","7","7","4","4","10","1") = "9"
    & skf18("3","7","7","4","5","1","1") = "6"
    & skf18("3","7","7","4","5","2","1") = "6"
    & skf18("3","7","7","4","5","3","1") = "6"
    & skf18("3","7","7","4","5","4","1") = "6"
    & skf18("3","7","7","4","5","5","1") = "6"
    & skf18("3","7","7","4","5","6","1") = "6"
    & skf18("3","7","7","4","5","7","1") = "6"
    & skf18("3","7","7","4","5","8","1") = "7"
    & skf18("3","7","7","4","5","9","1") = "8"
    & skf18("3","7","7","4","5","10","1") = "9"
    & skf18("3","7","7","4","6","1","1") = "6"
    & skf18("3","7","7","4","6","2","1") = "6"
    & skf18("3","7","7","4","6","3","1") = "6"
    & skf18("3","7","7","4","6","4","1") = "6"
    & skf18("3","7","7","4","6","5","1") = "6"
    & skf18("3","7","7","4","6","6","1") = "6"
    & skf18("3","7","7","4","6","7","1") = "6"
    & skf18("3","7","7","4","6","8","1") = "7"
    & skf18("3","7","7","4","6","9","1") = "8"
    & skf18("3","7","7","4","6","10","1") = "9"
    & skf18("3","7","7","4","7","1","1") = "6"
    & skf18("3","7","7","4","7","2","1") = "6"
    & skf18("3","7","7","4","7","3","1") = "6"
    & skf18("3","7","7","4","7","4","1") = "6"
    & skf18("3","7","7","4","7","5","1") = "6"
    & skf18("3","7","7","4","7","6","1") = "6"
    & skf18("3","7","7","4","7","7","1") = "6"
    & skf18("3","7","7","4","7","8","1") = "7"
    & skf18("3","7","7","4","7","9","1") = "8"
    & skf18("3","7","7","4","7","10","1") = "9"
    & skf18("3","7","7","4","8","1","1") = "7"
    & skf18("3","7","7","4","8","2","1") = "7"
    & skf18("3","7","7","4","8","3","1") = "7"
    & skf18("3","7","7","4","8","4","1") = "7"
    & skf18("3","7","7","4","8","5","1") = "7"
    & skf18("3","7","7","4","8","6","1") = "7"
    & skf18("3","7","7","4","8","7","1") = "7"
    & skf18("3","7","7","4","8","8","1") = "7"
    & skf18("3","7","7","4","8","9","1") = "8"
    & skf18("3","7","7","4","8","10","1") = "9"
    & skf18("3","7","7","4","9","1","1") = "8"
    & skf18("3","7","7","4","9","2","1") = "8"
    & skf18("3","7","7","4","9","3","1") = "8"
    & skf18("3","7","7","4","9","4","1") = "8"
    & skf18("3","7","7","4","9","5","1") = "8"
    & skf18("3","7","7","4","9","6","1") = "8"
    & skf18("3","7","7","4","9","7","1") = "8"
    & skf18("3","7","7","4","9","8","1") = "8"
    & skf18("3","7","7","4","9","9","1") = "8"
    & skf18("3","7","7","4","9","10","1") = "9"
    & skf18("3","7","7","4","10","1","1") = "9"
    & skf18("3","7","7","4","10","2","1") = "9"
    & skf18("3","7","7","4","10","3","1") = "9"
    & skf18("3","7","7","4","10","4","1") = "9"
    & skf18("3","7","7","4","10","5","1") = "9"
    & skf18("3","7","7","4","10","6","1") = "9"
    & skf18("3","7","7","4","10","7","1") = "9"
    & skf18("3","7","7","4","10","8","1") = "9"
    & skf18("3","7","7","4","10","9","1") = "9"
    & skf18("3","7","7","4","10","10","1") = "9"
    & skf18("3","7","7","5","1","1","1") = "6"
    & skf18("3","7","7","5","1","2","1") = "6"
    & skf18("3","7","7","5","1","3","1") = "6"
    & skf18("3","7","7","5","1","4","1") = "6"
    & skf18("3","7","7","5","1","5","1") = "6"
    & skf18("3","7","7","5","1","6","1") = "6"
    & skf18("3","7","7","5","1","7","1") = "6"
    & skf18("3","7","7","5","1","8","1") = "7"
    & skf18("3","7","7","5","1","9","1") = "8"
    & skf18("3","7","7","5","1","10","1") = "9"
    & skf18("3","7","7","5","2","1","1") = "6"
    & skf18("3","7","7","5","2","2","1") = "6"
    & skf18("3","7","7","5","2","3","1") = "6"
    & skf18("3","7","7","5","2","4","1") = "6"
    & skf18("3","7","7","5","2","5","1") = "6"
    & skf18("3","7","7","5","2","6","1") = "6"
    & skf18("3","7","7","5","2","7","1") = "6"
    & skf18("3","7","7","5","2","8","1") = "7"
    & skf18("3","7","7","5","2","9","1") = "8"
    & skf18("3","7","7","5","2","10","1") = "9"
    & skf18("3","7","7","5","3","1","1") = "6"
    & skf18("3","7","7","5","3","2","1") = "6"
    & skf18("3","7","7","5","3","3","1") = "6"
    & skf18("3","7","7","5","3","4","1") = "6"
    & skf18("3","7","7","5","3","5","1") = "6"
    & skf18("3","7","7","5","3","6","1") = "6"
    & skf18("3","7","7","5","3","7","1") = "6"
    & skf18("3","7","7","5","3","8","1") = "7"
    & skf18("3","7","7","5","3","9","1") = "8"
    & skf18("3","7","7","5","3","10","1") = "9"
    & skf18("3","7","7","5","4","1","1") = "6"
    & skf18("3","7","7","5","4","2","1") = "6"
    & skf18("3","7","7","5","4","3","1") = "6"
    & skf18("3","7","7","5","4","4","1") = "6"
    & skf18("3","7","7","5","4","5","1") = "6"
    & skf18("3","7","7","5","4","6","1") = "6"
    & skf18("3","7","7","5","4","7","1") = "6"
    & skf18("3","7","7","5","4","8","1") = "7"
    & skf18("3","7","7","5","4","9","1") = "8"
    & skf18("3","7","7","5","4","10","1") = "9"
    & skf18("3","7","7","5","5","1","1") = "6"
    & skf18("3","7","7","5","5","2","1") = "6"
    & skf18("3","7","7","5","5","3","1") = "6"
    & skf18("3","7","7","5","5","4","1") = "6"
    & skf18("3","7","7","5","5","5","1") = "6"
    & skf18("3","7","7","5","5","6","1") = "6"
    & skf18("3","7","7","5","5","7","1") = "6"
    & skf18("3","7","7","5","5","8","1") = "7"
    & skf18("3","7","7","5","5","9","1") = "8"
    & skf18("3","7","7","5","5","10","1") = "9"
    & skf18("3","7","7","5","6","1","1") = "6"
    & skf18("3","7","7","5","6","2","1") = "6"
    & skf18("3","7","7","5","6","3","1") = "6"
    & skf18("3","7","7","5","6","4","1") = "6"
    & skf18("3","7","7","5","6","5","1") = "6"
    & skf18("3","7","7","5","6","6","1") = "6"
    & skf18("3","7","7","5","6","7","1") = "6"
    & skf18("3","7","7","5","6","8","1") = "7"
    & skf18("3","7","7","5","6","9","1") = "8"
    & skf18("3","7","7","5","6","10","1") = "9"
    & skf18("3","7","7","5","7","1","1") = "6"
    & skf18("3","7","7","5","7","2","1") = "6"
    & skf18("3","7","7","5","7","3","1") = "6"
    & skf18("3","7","7","5","7","4","1") = "6"
    & skf18("3","7","7","5","7","5","1") = "6"
    & skf18("3","7","7","5","7","6","1") = "6"
    & skf18("3","7","7","5","7","7","1") = "6"
    & skf18("3","7","7","5","7","8","1") = "7"
    & skf18("3","7","7","5","7","9","1") = "8"
    & skf18("3","7","7","5","7","10","1") = "9"
    & skf18("3","7","7","5","8","1","1") = "7"
    & skf18("3","7","7","5","8","2","1") = "7"
    & skf18("3","7","7","5","8","3","1") = "7"
    & skf18("3","7","7","5","8","4","1") = "7"
    & skf18("3","7","7","5","8","5","1") = "7"
    & skf18("3","7","7","5","8","6","1") = "7"
    & skf18("3","7","7","5","8","7","1") = "7"
    & skf18("3","7","7","5","8","8","1") = "7"
    & skf18("3","7","7","5","8","9","1") = "8"
    & skf18("3","7","7","5","8","10","1") = "9"
    & skf18("3","7","7","5","9","1","1") = "8"
    & skf18("3","7","7","5","9","2","1") = "8"
    & skf18("3","7","7","5","9","3","1") = "8"
    & skf18("3","7","7","5","9","4","1") = "8"
    & skf18("3","7","7","5","9","5","1") = "8"
    & skf18("3","7","7","5","9","6","1") = "8"
    & skf18("3","7","7","5","9","7","1") = "8"
    & skf18("3","7","7","5","9","8","1") = "8"
    & skf18("3","7","7","5","9","9","1") = "8"
    & skf18("3","7","7","5","9","10","1") = "9"
    & skf18("3","7","7","5","10","1","1") = "9"
    & skf18("3","7","7","5","10","2","1") = "9"
    & skf18("3","7","7","5","10","3","1") = "9"
    & skf18("3","7","7","5","10","4","1") = "9"
    & skf18("3","7","7","5","10","5","1") = "9"
    & skf18("3","7","7","5","10","6","1") = "9"
    & skf18("3","7","7","5","10","7","1") = "9"
    & skf18("3","7","7","5","10","8","1") = "9"
    & skf18("3","7","7","5","10","9","1") = "9"
    & skf18("3","7","7","5","10","10","1") = "9"
    & skf18("3","7","7","6","1","1","1") = "6"
    & skf18("3","7","7","6","1","2","1") = "6"
    & skf18("3","7","7","6","1","3","1") = "6"
    & skf18("3","7","7","6","1","4","1") = "6"
    & skf18("3","7","7","6","1","5","1") = "6"
    & skf18("3","7","7","6","1","6","1") = "6"
    & skf18("3","7","7","6","1","7","1") = "6"
    & skf18("3","7","7","6","1","8","1") = "7"
    & skf18("3","7","7","6","1","9","1") = "8"
    & skf18("3","7","7","6","1","10","1") = "9"
    & skf18("3","7","7","6","2","1","1") = "6"
    & skf18("3","7","7","6","2","2","1") = "6"
    & skf18("3","7","7","6","2","3","1") = "6"
    & skf18("3","7","7","6","2","4","1") = "6"
    & skf18("3","7","7","6","2","5","1") = "6"
    & skf18("3","7","7","6","2","6","1") = "6"
    & skf18("3","7","7","6","2","7","1") = "6"
    & skf18("3","7","7","6","2","8","1") = "7"
    & skf18("3","7","7","6","2","9","1") = "8"
    & skf18("3","7","7","6","2","10","1") = "9"
    & skf18("3","7","7","6","3","1","1") = "6"
    & skf18("3","7","7","6","3","2","1") = "6"
    & skf18("3","7","7","6","3","3","1") = "6"
    & skf18("3","7","7","6","3","4","1") = "6"
    & skf18("3","7","7","6","3","5","1") = "6"
    & skf18("3","7","7","6","3","6","1") = "6"
    & skf18("3","7","7","6","3","7","1") = "6"
    & skf18("3","7","7","6","3","8","1") = "7"
    & skf18("3","7","7","6","3","9","1") = "8"
    & skf18("3","7","7","6","3","10","1") = "9"
    & skf18("3","7","7","6","4","1","1") = "6"
    & skf18("3","7","7","6","4","2","1") = "6"
    & skf18("3","7","7","6","4","3","1") = "6"
    & skf18("3","7","7","6","4","4","1") = "6"
    & skf18("3","7","7","6","4","5","1") = "6"
    & skf18("3","7","7","6","4","6","1") = "6"
    & skf18("3","7","7","6","4","7","1") = "6"
    & skf18("3","7","7","6","4","8","1") = "7"
    & skf18("3","7","7","6","4","9","1") = "8"
    & skf18("3","7","7","6","4","10","1") = "9"
    & skf18("3","7","7","6","5","1","1") = "6"
    & skf18("3","7","7","6","5","2","1") = "6"
    & skf18("3","7","7","6","5","3","1") = "6"
    & skf18("3","7","7","6","5","4","1") = "6"
    & skf18("3","7","7","6","5","5","1") = "6"
    & skf18("3","7","7","6","5","6","1") = "6"
    & skf18("3","7","7","6","5","7","1") = "6"
    & skf18("3","7","7","6","5","8","1") = "7"
    & skf18("3","7","7","6","5","9","1") = "8"
    & skf18("3","7","7","6","5","10","1") = "9"
    & skf18("3","7","7","6","6","1","1") = "6"
    & skf18("3","7","7","6","6","2","1") = "6"
    & skf18("3","7","7","6","6","3","1") = "6"
    & skf18("3","7","7","6","6","4","1") = "6"
    & skf18("3","7","7","6","6","5","1") = "6"
    & skf18("3","7","7","6","6","6","1") = "6"
    & skf18("3","7","7","6","6","7","1") = "6"
    & skf18("3","7","7","6","6","8","1") = "7"
    & skf18("3","7","7","6","6","9","1") = "8"
    & skf18("3","7","7","6","6","10","1") = "9"
    & skf18("3","7","7","6","7","1","1") = "6"
    & skf18("3","7","7","6","7","2","1") = "6"
    & skf18("3","7","7","6","7","3","1") = "6"
    & skf18("3","7","7","6","7","4","1") = "6"
    & skf18("3","7","7","6","7","5","1") = "6"
    & skf18("3","7","7","6","7","6","1") = "6"
    & skf18("3","7","7","6","7","7","1") = "6"
    & skf18("3","7","7","6","7","8","1") = "7"
    & skf18("3","7","7","6","7","9","1") = "8"
    & skf18("3","7","7","6","7","10","1") = "9"
    & skf18("3","7","7","6","8","1","1") = "7"
    & skf18("3","7","7","6","8","2","1") = "7"
    & skf18("3","7","7","6","8","3","1") = "7"
    & skf18("3","7","7","6","8","4","1") = "7"
    & skf18("3","7","7","6","8","5","1") = "7"
    & skf18("3","7","7","6","8","6","1") = "7"
    & skf18("3","7","7","6","8","7","1") = "7"
    & skf18("3","7","7","6","8","8","1") = "7"
    & skf18("3","7","7","6","8","9","1") = "8"
    & skf18("3","7","7","6","8","10","1") = "9"
    & skf18("3","7","7","6","9","1","1") = "8"
    & skf18("3","7","7","6","9","2","1") = "8"
    & skf18("3","7","7","6","9","3","1") = "8"
    & skf18("3","7","7","6","9","4","1") = "8"
    & skf18("3","7","7","6","9","5","1") = "8"
    & skf18("3","7","7","6","9","6","1") = "8"
    & skf18("3","7","7","6","9","7","1") = "8"
    & skf18("3","7","7","6","9","8","1") = "8"
    & skf18("3","7","7","6","9","9","1") = "8"
    & skf18("3","7","7","6","9","10","1") = "9"
    & skf18("3","7","7","6","10","1","1") = "9"
    & skf18("3","7","7","6","10","2","1") = "9"
    & skf18("3","7","7","6","10","3","1") = "9"
    & skf18("3","7","7","6","10","4","1") = "9"
    & skf18("3","7","7","6","10","5","1") = "9"
    & skf18("3","7","7","6","10","6","1") = "9"
    & skf18("3","7","7","6","10","7","1") = "9"
    & skf18("3","7","7","6","10","8","1") = "9"
    & skf18("3","7","7","6","10","9","1") = "9"
    & skf18("3","7","7","6","10","10","1") = "9"
    & skf18("3","7","7","7","1","1","1") = "6"
    & skf18("3","7","7","7","1","2","1") = "6"
    & skf18("3","7","7","7","1","3","1") = "6"
    & skf18("3","7","7","7","1","4","1") = "6"
    & skf18("3","7","7","7","1","5","1") = "6"
    & skf18("3","7","7","7","1","6","1") = "6"
    & skf18("3","7","7","7","1","7","1") = "6"
    & skf18("3","7","7","7","1","8","1") = "7"
    & skf18("3","7","7","7","1","9","1") = "8"
    & skf18("3","7","7","7","1","10","1") = "9"
    & skf18("3","7","7","7","2","1","1") = "6"
    & skf18("3","7","7","7","2","2","1") = "6"
    & skf18("3","7","7","7","2","3","1") = "6"
    & skf18("3","7","7","7","2","4","1") = "6"
    & skf18("3","7","7","7","2","5","1") = "6"
    & skf18("3","7","7","7","2","6","1") = "6"
    & skf18("3","7","7","7","2","7","1") = "6"
    & skf18("3","7","7","7","2","8","1") = "7"
    & skf18("3","7","7","7","2","9","1") = "8"
    & skf18("3","7","7","7","2","10","1") = "9"
    & skf18("3","7","7","7","3","1","1") = "6"
    & skf18("3","7","7","7","3","2","1") = "6"
    & skf18("3","7","7","7","3","3","1") = "6"
    & skf18("3","7","7","7","3","4","1") = "6"
    & skf18("3","7","7","7","3","5","1") = "6"
    & skf18("3","7","7","7","3","6","1") = "6"
    & skf18("3","7","7","7","3","7","1") = "6"
    & skf18("3","7","7","7","3","8","1") = "7"
    & skf18("3","7","7","7","3","9","1") = "8"
    & skf18("3","7","7","7","3","10","1") = "9"
    & skf18("3","7","7","7","4","1","1") = "6"
    & skf18("3","7","7","7","4","2","1") = "6"
    & skf18("3","7","7","7","4","3","1") = "6"
    & skf18("3","7","7","7","4","4","1") = "6"
    & skf18("3","7","7","7","4","5","1") = "6"
    & skf18("3","7","7","7","4","6","1") = "6"
    & skf18("3","7","7","7","4","7","1") = "6"
    & skf18("3","7","7","7","4","8","1") = "7"
    & skf18("3","7","7","7","4","9","1") = "8"
    & skf18("3","7","7","7","4","10","1") = "9"
    & skf18("3","7","7","7","5","1","1") = "6"
    & skf18("3","7","7","7","5","2","1") = "6"
    & skf18("3","7","7","7","5","3","1") = "6"
    & skf18("3","7","7","7","5","4","1") = "6"
    & skf18("3","7","7","7","5","5","1") = "6"
    & skf18("3","7","7","7","5","6","1") = "6"
    & skf18("3","7","7","7","5","7","1") = "6"
    & skf18("3","7","7","7","5","8","1") = "7"
    & skf18("3","7","7","7","5","9","1") = "8"
    & skf18("3","7","7","7","5","10","1") = "9"
    & skf18("3","7","7","7","6","1","1") = "6"
    & skf18("3","7","7","7","6","2","1") = "6"
    & skf18("3","7","7","7","6","3","1") = "6"
    & skf18("3","7","7","7","6","4","1") = "6"
    & skf18("3","7","7","7","6","5","1") = "6"
    & skf18("3","7","7","7","6","6","1") = "6"
    & skf18("3","7","7","7","6","7","1") = "6"
    & skf18("3","7","7","7","6","8","1") = "7"
    & skf18("3","7","7","7","6","9","1") = "8"
    & skf18("3","7","7","7","6","10","1") = "9"
    & skf18("3","7","7","7","7","1","1") = "6"
    & skf18("3","7","7","7","7","2","1") = "6"
    & skf18("3","7","7","7","7","3","1") = "6"
    & skf18("3","7","7","7","7","4","1") = "6"
    & skf18("3","7","7","7","7","5","1") = "6"
    & skf18("3","7","7","7","7","6","1") = "6"
    & skf18("3","7","7","7","7","7","1") = "6"
    & skf18("3","7","7","7","7","8","1") = "7"
    & skf18("3","7","7","7","7","9","1") = "8"
    & skf18("3","7","7","7","7","10","1") = "9"
    & skf18("3","7","7","7","8","1","1") = "7"
    & skf18("3","7","7","7","8","2","1") = "7"
    & skf18("3","7","7","7","8","3","1") = "7"
    & skf18("3","7","7","7","8","4","1") = "7"
    & skf18("3","7","7","7","8","5","1") = "7"
    & skf18("3","7","7","7","8","6","1") = "7"
    & skf18("3","7","7","7","8","7","1") = "7"
    & skf18("3","7","7","7","8","8","1") = "7"
    & skf18("3","7","7","7","8","9","1") = "8"
    & skf18("3","7","7","7","8","10","1") = "9"
    & skf18("3","7","7","7","9","1","1") = "8"
    & skf18("3","7","7","7","9","2","1") = "8"
    & skf18("3","7","7","7","9","3","1") = "8"
    & skf18("3","7","7","7","9","4","1") = "8"
    & skf18("3","7","7","7","9","5","1") = "8"
    & skf18("3","7","7","7","9","6","1") = "8"
    & skf18("3","7","7","7","9","7","1") = "8"
    & skf18("3","7","7","7","9","8","1") = "8"
    & skf18("3","7","7","7","9","9","1") = "8"
    & skf18("3","7","7","7","9","10","1") = "9"
    & skf18("3","7","7","7","10","1","1") = "9"
    & skf18("3","7","7","7","10","2","1") = "9"
    & skf18("3","7","7","7","10","3","1") = "9"
    & skf18("3","7","7","7","10","4","1") = "9"
    & skf18("3","7","7","7","10","5","1") = "9"
    & skf18("3","7","7","7","10","6","1") = "9"
    & skf18("3","7","7","7","10","7","1") = "9"
    & skf18("3","7","7","7","10","8","1") = "9"
    & skf18("3","7","7","7","10","9","1") = "9"
    & skf18("3","7","7","7","10","10","1") = "9"
    & skf18("3","7","7","8","1","1","1") = "7"
    & skf18("3","7","7","8","1","2","1") = "7"
    & skf18("3","7","7","8","1","3","1") = "7"
    & skf18("3","7","7","8","1","4","1") = "7"
    & skf18("3","7","7","8","1","5","1") = "7"
    & skf18("3","7","7","8","1","6","1") = "7"
    & skf18("3","7","7","8","1","7","1") = "7"
    & skf18("3","7","7","8","1","8","1") = "7"
    & skf18("3","7","7","8","1","9","1") = "8"
    & skf18("3","7","7","8","1","10","1") = "9"
    & skf18("3","7","7","8","2","1","1") = "7"
    & skf18("3","7","7","8","2","2","1") = "7"
    & skf18("3","7","7","8","2","3","1") = "7"
    & skf18("3","7","7","8","2","4","1") = "7"
    & skf18("3","7","7","8","2","5","1") = "7"
    & skf18("3","7","7","8","2","6","1") = "7"
    & skf18("3","7","7","8","2","7","1") = "7"
    & skf18("3","7","7","8","2","8","1") = "7"
    & skf18("3","7","7","8","2","9","1") = "8"
    & skf18("3","7","7","8","2","10","1") = "9"
    & skf18("3","7","7","8","3","1","1") = "7"
    & skf18("3","7","7","8","3","2","1") = "7"
    & skf18("3","7","7","8","3","3","1") = "7"
    & skf18("3","7","7","8","3","4","1") = "7"
    & skf18("3","7","7","8","3","5","1") = "7"
    & skf18("3","7","7","8","3","6","1") = "7"
    & skf18("3","7","7","8","3","7","1") = "7"
    & skf18("3","7","7","8","3","8","1") = "7"
    & skf18("3","7","7","8","3","9","1") = "8"
    & skf18("3","7","7","8","3","10","1") = "9"
    & skf18("3","7","7","8","4","1","1") = "7"
    & skf18("3","7","7","8","4","2","1") = "7"
    & skf18("3","7","7","8","4","3","1") = "7"
    & skf18("3","7","7","8","4","4","1") = "7"
    & skf18("3","7","7","8","4","5","1") = "7"
    & skf18("3","7","7","8","4","6","1") = "7"
    & skf18("3","7","7","8","4","7","1") = "7"
    & skf18("3","7","7","8","4","8","1") = "7"
    & skf18("3","7","7","8","4","9","1") = "8"
    & skf18("3","7","7","8","4","10","1") = "9"
    & skf18("3","7","7","8","5","1","1") = "7"
    & skf18("3","7","7","8","5","2","1") = "7"
    & skf18("3","7","7","8","5","3","1") = "7"
    & skf18("3","7","7","8","5","4","1") = "7"
    & skf18("3","7","7","8","5","5","1") = "7"
    & skf18("3","7","7","8","5","6","1") = "7"
    & skf18("3","7","7","8","5","7","1") = "7"
    & skf18("3","7","7","8","5","8","1") = "7"
    & skf18("3","7","7","8","5","9","1") = "8"
    & skf18("3","7","7","8","5","10","1") = "9"
    & skf18("3","7","7","8","6","1","1") = "7"
    & skf18("3","7","7","8","6","2","1") = "7"
    & skf18("3","7","7","8","6","3","1") = "7"
    & skf18("3","7","7","8","6","4","1") = "7"
    & skf18("3","7","7","8","6","5","1") = "7"
    & skf18("3","7","7","8","6","6","1") = "7"
    & skf18("3","7","7","8","6","7","1") = "7"
    & skf18("3","7","7","8","6","8","1") = "7"
    & skf18("3","7","7","8","6","9","1") = "8"
    & skf18("3","7","7","8","6","10","1") = "9"
    & skf18("3","7","7","8","7","1","1") = "7"
    & skf18("3","7","7","8","7","2","1") = "7"
    & skf18("3","7","7","8","7","3","1") = "7"
    & skf18("3","7","7","8","7","4","1") = "7"
    & skf18("3","7","7","8","7","5","1") = "7"
    & skf18("3","7","7","8","7","6","1") = "7"
    & skf18("3","7","7","8","7","7","1") = "7"
    & skf18("3","7","7","8","7","8","1") = "7"
    & skf18("3","7","7","8","7","9","1") = "8"
    & skf18("3","7","7","8","7","10","1") = "9"
    & skf18("3","7","7","8","8","1","1") = "7"
    & skf18("3","7","7","8","8","2","1") = "7"
    & skf18("3","7","7","8","8","3","1") = "7"
    & skf18("3","7","7","8","8","4","1") = "7"
    & skf18("3","7","7","8","8","5","1") = "7"
    & skf18("3","7","7","8","8","6","1") = "7"
    & skf18("3","7","7","8","8","7","1") = "7"
    & skf18("3","7","7","8","8","8","1") = "7"
    & skf18("3","7","7","8","8","9","1") = "8"
    & skf18("3","7","7","8","8","10","1") = "9"
    & skf18("3","7","7","8","9","1","1") = "8"
    & skf18("3","7","7","8","9","2","1") = "8"
    & skf18("3","7","7","8","9","3","1") = "8"
    & skf18("3","7","7","8","9","4","1") = "8"
    & skf18("3","7","7","8","9","5","1") = "8"
    & skf18("3","7","7","8","9","6","1") = "8"
    & skf18("3","7","7","8","9","7","1") = "8"
    & skf18("3","7","7","8","9","8","1") = "8"
    & skf18("3","7","7","8","9","9","1") = "8"
    & skf18("3","7","7","8","9","10","1") = "9"
    & skf18("3","7","7","8","10","1","1") = "9"
    & skf18("3","7","7","8","10","2","1") = "9"
    & skf18("3","7","7","8","10","3","1") = "9"
    & skf18("3","7","7","8","10","4","1") = "9"
    & skf18("3","7","7","8","10","5","1") = "9"
    & skf18("3","7","7","8","10","6","1") = "9"
    & skf18("3","7","7","8","10","7","1") = "9"
    & skf18("3","7","7","8","10","8","1") = "9"
    & skf18("3","7","7","8","10","9","1") = "9"
    & skf18("3","7","7","8","10","10","1") = "9"
    & skf18("3","7","7","9","1","1","1") = "8"
    & skf18("3","7","7","9","1","2","1") = "8"
    & skf18("3","7","7","9","1","3","1") = "8"
    & skf18("3","7","7","9","1","4","1") = "8"
    & skf18("3","7","7","9","1","5","1") = "8"
    & skf18("3","7","7","9","1","6","1") = "8"
    & skf18("3","7","7","9","1","7","1") = "8"
    & skf18("3","7","7","9","1","8","1") = "8"
    & skf18("3","7","7","9","1","9","1") = "8"
    & skf18("3","7","7","9","1","10","1") = "9"
    & skf18("3","7","7","9","2","1","1") = "8"
    & skf18("3","7","7","9","2","2","1") = "8"
    & skf18("3","7","7","9","2","3","1") = "8"
    & skf18("3","7","7","9","2","4","1") = "8"
    & skf18("3","7","7","9","2","5","1") = "8"
    & skf18("3","7","7","9","2","6","1") = "8"
    & skf18("3","7","7","9","2","7","1") = "8"
    & skf18("3","7","7","9","2","8","1") = "8"
    & skf18("3","7","7","9","2","9","1") = "8"
    & skf18("3","7","7","9","2","10","1") = "9"
    & skf18("3","7","7","9","3","1","1") = "8"
    & skf18("3","7","7","9","3","2","1") = "8"
    & skf18("3","7","7","9","3","3","1") = "8"
    & skf18("3","7","7","9","3","4","1") = "8"
    & skf18("3","7","7","9","3","5","1") = "8"
    & skf18("3","7","7","9","3","6","1") = "8"
    & skf18("3","7","7","9","3","7","1") = "8"
    & skf18("3","7","7","9","3","8","1") = "8"
    & skf18("3","7","7","9","3","9","1") = "8"
    & skf18("3","7","7","9","3","10","1") = "9"
    & skf18("3","7","7","9","4","1","1") = "8"
    & skf18("3","7","7","9","4","2","1") = "8"
    & skf18("3","7","7","9","4","3","1") = "8"
    & skf18("3","7","7","9","4","4","1") = "8"
    & skf18("3","7","7","9","4","5","1") = "8"
    & skf18("3","7","7","9","4","6","1") = "8"
    & skf18("3","7","7","9","4","7","1") = "8"
    & skf18("3","7","7","9","4","8","1") = "8"
    & skf18("3","7","7","9","4","9","1") = "8"
    & skf18("3","7","7","9","4","10","1") = "9"
    & skf18("3","7","7","9","5","1","1") = "8"
    & skf18("3","7","7","9","5","2","1") = "8"
    & skf18("3","7","7","9","5","3","1") = "8"
    & skf18("3","7","7","9","5","4","1") = "8"
    & skf18("3","7","7","9","5","5","1") = "8"
    & skf18("3","7","7","9","5","6","1") = "8"
    & skf18("3","7","7","9","5","7","1") = "8"
    & skf18("3","7","7","9","5","8","1") = "8"
    & skf18("3","7","7","9","5","9","1") = "8"
    & skf18("3","7","7","9","5","10","1") = "9"
    & skf18("3","7","7","9","6","1","1") = "8"
    & skf18("3","7","7","9","6","2","1") = "8"
    & skf18("3","7","7","9","6","3","1") = "8"
    & skf18("3","7","7","9","6","4","1") = "8"
    & skf18("3","7","7","9","6","5","1") = "8"
    & skf18("3","7","7","9","6","6","1") = "8"
    & skf18("3","7","7","9","6","7","1") = "8"
    & skf18("3","7","7","9","6","8","1") = "8"
    & skf18("3","7","7","9","6","9","1") = "8"
    & skf18("3","7","7","9","6","10","1") = "9"
    & skf18("3","7","7","9","7","1","1") = "8"
    & skf18("3","7","7","9","7","2","1") = "8"
    & skf18("3","7","7","9","7","3","1") = "8"
    & skf18("3","7","7","9","7","4","1") = "8"
    & skf18("3","7","7","9","7","5","1") = "8"
    & skf18("3","7","7","9","7","6","1") = "8"
    & skf18("3","7","7","9","7","7","1") = "8"
    & skf18("3","7","7","9","7","8","1") = "8"
    & skf18("3","7","7","9","7","9","1") = "8"
    & skf18("3","7","7","9","7","10","1") = "9"
    & skf18("3","7","7","9","8","1","1") = "8"
    & skf18("3","7","7","9","8","2","1") = "8"
    & skf18("3","7","7","9","8","3","1") = "8"
    & skf18("3","7","7","9","8","4","1") = "8"
    & skf18("3","7","7","9","8","5","1") = "8"
    & skf18("3","7","7","9","8","6","1") = "8"
    & skf18("3","7","7","9","8","7","1") = "8"
    & skf18("3","7","7","9","8","8","1") = "8"
    & skf18("3","7","7","9","8","9","1") = "8"
    & skf18("3","7","7","9","8","10","1") = "9"
    & skf18("3","7","7","9","9","1","1") = "8"
    & skf18("3","7","7","9","9","2","1") = "8"
    & skf18("3","7","7","9","9","3","1") = "8"
    & skf18("3","7","7","9","9","4","1") = "8"
    & skf18("3","7","7","9","9","5","1") = "8"
    & skf18("3","7","7","9","9","6","1") = "8"
    & skf18("3","7","7","9","9","7","1") = "8"
    & skf18("3","7","7","9","9","8","1") = "8"
    & skf18("3","7","7","9","9","9","1") = "8"
    & skf18("3","7","7","9","9","10","1") = "9"
    & skf18("3","7","7","9","10","1","1") = "9"
    & skf18("3","7","7","9","10","2","1") = "9"
    & skf18("3","7","7","9","10","3","1") = "9"
    & skf18("3","7","7","9","10","4","1") = "9"
    & skf18("3","7","7","9","10","5","1") = "9"
    & skf18("3","7","7","9","10","6","1") = "9"
    & skf18("3","7","7","9","10","7","1") = "9"
    & skf18("3","7","7","9","10","8","1") = "9"
    & skf18("3","7","7","9","10","9","1") = "9"
    & skf18("3","7","7","9","10","10","1") = "9"
    & skf18("3","7","7","10","1","1","1") = "9"
    & skf18("3","7","7","10","1","2","1") = "9"
    & skf18("3","7","7","10","1","3","1") = "9"
    & skf18("3","7","7","10","1","4","1") = "9"
    & skf18("3","7","7","10","1","5","1") = "9"
    & skf18("3","7","7","10","1","6","1") = "9"
    & skf18("3","7","7","10","1","7","1") = "9"
    & skf18("3","7","7","10","1","8","1") = "9"
    & skf18("3","7","7","10","1","9","1") = "9"
    & skf18("3","7","7","10","1","10","1") = "9"
    & skf18("3","7","7","10","2","1","1") = "9"
    & skf18("3","7","7","10","2","2","1") = "9"
    & skf18("3","7","7","10","2","3","1") = "9"
    & skf18("3","7","7","10","2","4","1") = "9"
    & skf18("3","7","7","10","2","5","1") = "9"
    & skf18("3","7","7","10","2","6","1") = "9"
    & skf18("3","7","7","10","2","7","1") = "9"
    & skf18("3","7","7","10","2","8","1") = "9"
    & skf18("3","7","7","10","2","9","1") = "9"
    & skf18("3","7","7","10","2","10","1") = "9"
    & skf18("3","7","7","10","3","1","1") = "9"
    & skf18("3","7","7","10","3","2","1") = "9"
    & skf18("3","7","7","10","3","3","1") = "9"
    & skf18("3","7","7","10","3","4","1") = "9"
    & skf18("3","7","7","10","3","5","1") = "9"
    & skf18("3","7","7","10","3","6","1") = "9"
    & skf18("3","7","7","10","3","7","1") = "9"
    & skf18("3","7","7","10","3","8","1") = "9"
    & skf18("3","7","7","10","3","9","1") = "9"
    & skf18("3","7","7","10","3","10","1") = "9"
    & skf18("3","7","7","10","4","1","1") = "9"
    & skf18("3","7","7","10","4","2","1") = "9"
    & skf18("3","7","7","10","4","3","1") = "9"
    & skf18("3","7","7","10","4","4","1") = "9"
    & skf18("3","7","7","10","4","5","1") = "9"
    & skf18("3","7","7","10","4","6","1") = "9"
    & skf18("3","7","7","10","4","7","1") = "9"
    & skf18("3","7","7","10","4","8","1") = "9"
    & skf18("3","7","7","10","4","9","1") = "9"
    & skf18("3","7","7","10","4","10","1") = "9"
    & skf18("3","7","7","10","5","1","1") = "9"
    & skf18("3","7","7","10","5","2","1") = "9"
    & skf18("3","7","7","10","5","3","1") = "9"
    & skf18("3","7","7","10","5","4","1") = "9"
    & skf18("3","7","7","10","5","5","1") = "9"
    & skf18("3","7","7","10","5","6","1") = "9"
    & skf18("3","7","7","10","5","7","1") = "9"
    & skf18("3","7","7","10","5","8","1") = "9"
    & skf18("3","7","7","10","5","9","1") = "9"
    & skf18("3","7","7","10","5","10","1") = "9"
    & skf18("3","7","7","10","6","1","1") = "9"
    & skf18("3","7","7","10","6","2","1") = "9"
    & skf18("3","7","7","10","6","3","1") = "9"
    & skf18("3","7","7","10","6","4","1") = "9"
    & skf18("3","7","7","10","6","5","1") = "9"
    & skf18("3","7","7","10","6","6","1") = "9"
    & skf18("3","7","7","10","6","7","1") = "9"
    & skf18("3","7","7","10","6","8","1") = "9"
    & skf18("3","7","7","10","6","9","1") = "9"
    & skf18("3","7","7","10","6","10","1") = "9"
    & skf18("3","7","7","10","7","1","1") = "9"
    & skf18("3","7","7","10","7","2","1") = "9"
    & skf18("3","7","7","10","7","3","1") = "9"
    & skf18("3","7","7","10","7","4","1") = "9"
    & skf18("3","7","7","10","7","5","1") = "9"
    & skf18("3","7","7","10","7","6","1") = "9"
    & skf18("3","7","7","10","7","7","1") = "9"
    & skf18("3","7","7","10","7","8","1") = "9"
    & skf18("3","7","7","10","7","9","1") = "9"
    & skf18("3","7","7","10","7","10","1") = "9"
    & skf18("3","7","7","10","8","1","1") = "9"
    & skf18("3","7","7","10","8","2","1") = "9"
    & skf18("3","7","7","10","8","3","1") = "9"
    & skf18("3","7","7","10","8","4","1") = "9"
    & skf18("3","7","7","10","8","5","1") = "9"
    & skf18("3","7","7","10","8","6","1") = "9"
    & skf18("3","7","7","10","8","7","1") = "9"
    & skf18("3","7","7","10","8","8","1") = "9"
    & skf18("3","7","7","10","8","9","1") = "9"
    & skf18("3","7","7","10","8","10","1") = "9"
    & skf18("3","7","7","10","9","1","1") = "9"
    & skf18("3","7","7","10","9","2","1") = "9"
    & skf18("3","7","7","10","9","3","1") = "9"
    & skf18("3","7","7","10","9","4","1") = "9"
    & skf18("3","7","7","10","9","5","1") = "9"
    & skf18("3","7","7","10","9","6","1") = "9"
    & skf18("3","7","7","10","9","7","1") = "9"
    & skf18("3","7","7","10","9","8","1") = "9"
    & skf18("3","7","7","10","9","9","1") = "9"
    & skf18("3","7","7","10","9","10","1") = "9"
    & skf18("3","7","7","10","10","1","1") = "9"
    & skf18("3","7","7","10","10","2","1") = "9"
    & skf18("3","7","7","10","10","3","1") = "9"
    & skf18("3","7","7","10","10","4","1") = "9"
    & skf18("3","7","7","10","10","5","1") = "9"
    & skf18("3","7","7","10","10","6","1") = "9"
    & skf18("3","7","7","10","10","7","1") = "9"
    & skf18("3","7","7","10","10","8","1") = "9"
    & skf18("3","7","7","10","10","9","1") = "9"
    & skf18("3","7","7","10","10","10","1") = "9"
    & skf18("3","7","8","1","1","1","1") = "7"
    & skf18("3","7","8","1","1","2","1") = "7"
    & skf18("3","7","8","1","1","3","1") = "7"
    & skf18("3","7","8","1","1","4","1") = "7"
    & skf18("3","7","8","1","1","5","1") = "7"
    & skf18("3","7","8","1","1","6","1") = "7"
    & skf18("3","7","8","1","1","7","1") = "7"
    & skf18("3","7","8","1","1","8","1") = "7"
    & skf18("3","7","8","1","1","9","1") = "8"
    & skf18("3","7","8","1","1","10","1") = "9"
    & skf18("3","7","8","1","2","1","1") = "7"
    & skf18("3","7","8","1","2","2","1") = "7"
    & skf18("3","7","8","1","2","3","1") = "7"
    & skf18("3","7","8","1","2","4","1") = "7"
    & skf18("3","7","8","1","2","5","1") = "7"
    & skf18("3","7","8","1","2","6","1") = "7"
    & skf18("3","7","8","1","2","7","1") = "7"
    & skf18("3","7","8","1","2","8","1") = "7"
    & skf18("3","7","8","1","2","9","1") = "8"
    & skf18("3","7","8","1","2","10","1") = "9"
    & skf18("3","7","8","1","3","1","1") = "7"
    & skf18("3","7","8","1","3","2","1") = "7"
    & skf18("3","7","8","1","3","3","1") = "7"
    & skf18("3","7","8","1","3","4","1") = "7"
    & skf18("3","7","8","1","3","5","1") = "7"
    & skf18("3","7","8","1","3","6","1") = "7"
    & skf18("3","7","8","1","3","7","1") = "7"
    & skf18("3","7","8","1","3","8","1") = "7"
    & skf18("3","7","8","1","3","9","1") = "8"
    & skf18("3","7","8","1","3","10","1") = "9"
    & skf18("3","7","8","1","4","1","1") = "7"
    & skf18("3","7","8","1","4","2","1") = "7"
    & skf18("3","7","8","1","4","3","1") = "7"
    & skf18("3","7","8","1","4","4","1") = "7"
    & skf18("3","7","8","1","4","5","1") = "7"
    & skf18("3","7","8","1","4","6","1") = "7"
    & skf18("3","7","8","1","4","7","1") = "7"
    & skf18("3","7","8","1","4","8","1") = "7"
    & skf18("3","7","8","1","4","9","1") = "8"
    & skf18("3","7","8","1","4","10","1") = "9"
    & skf18("3","7","8","1","5","1","1") = "7"
    & skf18("3","7","8","1","5","2","1") = "7"
    & skf18("3","7","8","1","5","3","1") = "7"
    & skf18("3","7","8","1","5","4","1") = "7"
    & skf18("3","7","8","1","5","5","1") = "7"
    & skf18("3","7","8","1","5","6","1") = "7"
    & skf18("3","7","8","1","5","7","1") = "7"
    & skf18("3","7","8","1","5","8","1") = "7"
    & skf18("3","7","8","1","5","9","1") = "8"
    & skf18("3","7","8","1","5","10","1") = "9"
    & skf18("3","7","8","1","6","1","1") = "7"
    & skf18("3","7","8","1","6","2","1") = "7"
    & skf18("3","7","8","1","6","3","1") = "7"
    & skf18("3","7","8","1","6","4","1") = "7"
    & skf18("3","7","8","1","6","5","1") = "7"
    & skf18("3","7","8","1","6","6","1") = "7"
    & skf18("3","7","8","1","6","7","1") = "7"
    & skf18("3","7","8","1","6","8","1") = "7"
    & skf18("3","7","8","1","6","9","1") = "8"
    & skf18("3","7","8","1","6","10","1") = "9"
    & skf18("3","7","8","1","7","1","1") = "7"
    & skf18("3","7","8","1","7","2","1") = "7"
    & skf18("3","7","8","1","7","3","1") = "7"
    & skf18("3","7","8","1","7","4","1") = "7"
    & skf18("3","7","8","1","7","5","1") = "7"
    & skf18("3","7","8","1","7","6","1") = "7"
    & skf18("3","7","8","1","7","7","1") = "7"
    & skf18("3","7","8","1","7","8","1") = "7"
    & skf18("3","7","8","1","7","9","1") = "8"
    & skf18("3","7","8","1","7","10","1") = "9"
    & skf18("3","7","8","1","8","1","1") = "7"
    & skf18("3","7","8","1","8","2","1") = "7"
    & skf18("3","7","8","1","8","3","1") = "7"
    & skf18("3","7","8","1","8","4","1") = "7"
    & skf18("3","7","8","1","8","5","1") = "7"
    & skf18("3","7","8","1","8","6","1") = "7"
    & skf18("3","7","8","1","8","7","1") = "7"
    & skf18("3","7","8","1","8","8","1") = "7"
    & skf18("3","7","8","1","8","9","1") = "8"
    & skf18("3","7","8","1","8","10","1") = "9"
    & skf18("3","7","8","1","9","1","1") = "8"
    & skf18("3","7","8","1","9","2","1") = "8"
    & skf18("3","7","8","1","9","3","1") = "8"
    & skf18("3","7","8","1","9","4","1") = "8"
    & skf18("3","7","8","1","9","5","1") = "8"
    & skf18("3","7","8","1","9","6","1") = "8"
    & skf18("3","7","8","1","9","7","1") = "8"
    & skf18("3","7","8","1","9","8","1") = "8"
    & skf18("3","7","8","1","9","9","1") = "8"
    & skf18("3","7","8","1","9","10","1") = "9"
    & skf18("3","7","8","1","10","1","1") = "9"
    & skf18("3","7","8","1","10","2","1") = "9"
    & skf18("3","7","8","1","10","3","1") = "9"
    & skf18("3","7","8","1","10","4","1") = "9"
    & skf18("3","7","8","1","10","5","1") = "9"
    & skf18("3","7","8","1","10","6","1") = "9"
    & skf18("3","7","8","1","10","7","1") = "9"
    & skf18("3","7","8","1","10","8","1") = "9"
    & skf18("3","7","8","1","10","9","1") = "9"
    & skf18("3","7","8","1","10","10","1") = "9"
    & skf18("3","7","8","2","1","1","1") = "7"
    & skf18("3","7","8","2","1","2","1") = "7"
    & skf18("3","7","8","2","1","3","1") = "7"
    & skf18("3","7","8","2","1","4","1") = "7"
    & skf18("3","7","8","2","1","5","1") = "7"
    & skf18("3","7","8","2","1","6","1") = "7"
    & skf18("3","7","8","2","1","7","1") = "7"
    & skf18("3","7","8","2","1","8","1") = "7"
    & skf18("3","7","8","2","1","9","1") = "8"
    & skf18("3","7","8","2","1","10","1") = "9"
    & skf18("3","7","8","2","2","1","1") = "7"
    & skf18("3","7","8","2","2","2","1") = "7"
    & skf18("3","7","8","2","2","3","1") = "7"
    & skf18("3","7","8","2","2","4","1") = "7"
    & skf18("3","7","8","2","2","5","1") = "7"
    & skf18("3","7","8","2","2","6","1") = "7"
    & skf18("3","7","8","2","2","7","1") = "7"
    & skf18("3","7","8","2","2","8","1") = "7"
    & skf18("3","7","8","2","2","9","1") = "8"
    & skf18("3","7","8","2","2","10","1") = "9"
    & skf18("3","7","8","2","3","1","1") = "7"
    & skf18("3","7","8","2","3","2","1") = "7"
    & skf18("3","7","8","2","3","3","1") = "7"
    & skf18("3","7","8","2","3","4","1") = "7"
    & skf18("3","7","8","2","3","5","1") = "7"
    & skf18("3","7","8","2","3","6","1") = "7"
    & skf18("3","7","8","2","3","7","1") = "7"
    & skf18("3","7","8","2","3","8","1") = "7"
    & skf18("3","7","8","2","3","9","1") = "8"
    & skf18("3","7","8","2","3","10","1") = "9"
    & skf18("3","7","8","2","4","1","1") = "7"
    & skf18("3","7","8","2","4","2","1") = "7"
    & skf18("3","7","8","2","4","3","1") = "7"
    & skf18("3","7","8","2","4","4","1") = "7"
    & skf18("3","7","8","2","4","5","1") = "7"
    & skf18("3","7","8","2","4","6","1") = "7"
    & skf18("3","7","8","2","4","7","1") = "7"
    & skf18("3","7","8","2","4","8","1") = "7"
    & skf18("3","7","8","2","4","9","1") = "8"
    & skf18("3","7","8","2","4","10","1") = "9"
    & skf18("3","7","8","2","5","1","1") = "7"
    & skf18("3","7","8","2","5","2","1") = "7"
    & skf18("3","7","8","2","5","3","1") = "7"
    & skf18("3","7","8","2","5","4","1") = "7"
    & skf18("3","7","8","2","5","5","1") = "7"
    & skf18("3","7","8","2","5","6","1") = "7"
    & skf18("3","7","8","2","5","7","1") = "7"
    & skf18("3","7","8","2","5","8","1") = "7"
    & skf18("3","7","8","2","5","9","1") = "8"
    & skf18("3","7","8","2","5","10","1") = "9"
    & skf18("3","7","8","2","6","1","1") = "7"
    & skf18("3","7","8","2","6","2","1") = "7"
    & skf18("3","7","8","2","6","3","1") = "7"
    & skf18("3","7","8","2","6","4","1") = "7"
    & skf18("3","7","8","2","6","5","1") = "7"
    & skf18("3","7","8","2","6","6","1") = "7"
    & skf18("3","7","8","2","6","7","1") = "7"
    & skf18("3","7","8","2","6","8","1") = "7"
    & skf18("3","7","8","2","6","9","1") = "8"
    & skf18("3","7","8","2","6","10","1") = "9"
    & skf18("3","7","8","2","7","1","1") = "7"
    & skf18("3","7","8","2","7","2","1") = "7"
    & skf18("3","7","8","2","7","3","1") = "7"
    & skf18("3","7","8","2","7","4","1") = "7"
    & skf18("3","7","8","2","7","5","1") = "7"
    & skf18("3","7","8","2","7","6","1") = "7"
    & skf18("3","7","8","2","7","7","1") = "7"
    & skf18("3","7","8","2","7","8","1") = "7"
    & skf18("3","7","8","2","7","9","1") = "8"
    & skf18("3","7","8","2","7","10","1") = "9"
    & skf18("3","7","8","2","8","1","1") = "7"
    & skf18("3","7","8","2","8","2","1") = "7"
    & skf18("3","7","8","2","8","3","1") = "7"
    & skf18("3","7","8","2","8","4","1") = "7"
    & skf18("3","7","8","2","8","5","1") = "7"
    & skf18("3","7","8","2","8","6","1") = "7"
    & skf18("3","7","8","2","8","7","1") = "7"
    & skf18("3","7","8","2","8","8","1") = "7"
    & skf18("3","7","8","2","8","9","1") = "8"
    & skf18("3","7","8","2","8","10","1") = "9"
    & skf18("3","7","8","2","9","1","1") = "8"
    & skf18("3","7","8","2","9","2","1") = "8"
    & skf18("3","7","8","2","9","3","1") = "8"
    & skf18("3","7","8","2","9","4","1") = "8"
    & skf18("3","7","8","2","9","5","1") = "8"
    & skf18("3","7","8","2","9","6","1") = "8"
    & skf18("3","7","8","2","9","7","1") = "8"
    & skf18("3","7","8","2","9","8","1") = "8"
    & skf18("3","7","8","2","9","9","1") = "8"
    & skf18("3","7","8","2","9","10","1") = "9"
    & skf18("3","7","8","2","10","1","1") = "9"
    & skf18("3","7","8","2","10","2","1") = "9"
    & skf18("3","7","8","2","10","3","1") = "9"
    & skf18("3","7","8","2","10","4","1") = "9"
    & skf18("3","7","8","2","10","5","1") = "9"
    & skf18("3","7","8","2","10","6","1") = "9"
    & skf18("3","7","8","2","10","7","1") = "9"
    & skf18("3","7","8","2","10","8","1") = "9"
    & skf18("3","7","8","2","10","9","1") = "9"
    & skf18("3","7","8","2","10","10","1") = "9"
    & skf18("3","7","8","3","1","1","1") = "7"
    & skf18("3","7","8","3","1","2","1") = "7"
    & skf18("3","7","8","3","1","3","1") = "7"
    & skf18("3","7","8","3","1","4","1") = "7"
    & skf18("3","7","8","3","1","5","1") = "7"
    & skf18("3","7","8","3","1","6","1") = "7"
    & skf18("3","7","8","3","1","7","1") = "7"
    & skf18("3","7","8","3","1","8","1") = "7"
    & skf18("3","7","8","3","1","9","1") = "8"
    & skf18("3","7","8","3","1","10","1") = "9"
    & skf18("3","7","8","3","2","1","1") = "7"
    & skf18("3","7","8","3","2","2","1") = "7"
    & skf18("3","7","8","3","2","3","1") = "7"
    & skf18("3","7","8","3","2","4","1") = "7"
    & skf18("3","7","8","3","2","5","1") = "7"
    & skf18("3","7","8","3","2","6","1") = "7"
    & skf18("3","7","8","3","2","7","1") = "7"
    & skf18("3","7","8","3","2","8","1") = "7"
    & skf18("3","7","8","3","2","9","1") = "8"
    & skf18("3","7","8","3","2","10","1") = "9"
    & skf18("3","7","8","3","3","1","1") = "7"
    & skf18("3","7","8","3","3","2","1") = "7"
    & skf18("3","7","8","3","3","3","1") = "7"
    & skf18("3","7","8","3","3","4","1") = "7"
    & skf18("3","7","8","3","3","5","1") = "7"
    & skf18("3","7","8","3","3","6","1") = "7"
    & skf18("3","7","8","3","3","7","1") = "7"
    & skf18("3","7","8","3","3","8","1") = "7"
    & skf18("3","7","8","3","3","9","1") = "8"
    & skf18("3","7","8","3","3","10","1") = "9"
    & skf18("3","7","8","3","4","1","1") = "7"
    & skf18("3","7","8","3","4","2","1") = "7"
    & skf18("3","7","8","3","4","3","1") = "7"
    & skf18("3","7","8","3","4","4","1") = "7"
    & skf18("3","7","8","3","4","5","1") = "7"
    & skf18("3","7","8","3","4","6","1") = "7"
    & skf18("3","7","8","3","4","7","1") = "7"
    & skf18("3","7","8","3","4","8","1") = "7"
    & skf18("3","7","8","3","4","9","1") = "8"
    & skf18("3","7","8","3","4","10","1") = "9"
    & skf18("3","7","8","3","5","1","1") = "7"
    & skf18("3","7","8","3","5","2","1") = "7"
    & skf18("3","7","8","3","5","3","1") = "7"
    & skf18("3","7","8","3","5","4","1") = "7"
    & skf18("3","7","8","3","5","5","1") = "7"
    & skf18("3","7","8","3","5","6","1") = "7"
    & skf18("3","7","8","3","5","7","1") = "7"
    & skf18("3","7","8","3","5","8","1") = "7"
    & skf18("3","7","8","3","5","9","1") = "8"
    & skf18("3","7","8","3","5","10","1") = "9"
    & skf18("3","7","8","3","6","1","1") = "7"
    & skf18("3","7","8","3","6","2","1") = "7"
    & skf18("3","7","8","3","6","3","1") = "7"
    & skf18("3","7","8","3","6","4","1") = "7"
    & skf18("3","7","8","3","6","5","1") = "7"
    & skf18("3","7","8","3","6","6","1") = "7"
    & skf18("3","7","8","3","6","7","1") = "7"
    & skf18("3","7","8","3","6","8","1") = "7"
    & skf18("3","7","8","3","6","9","1") = "8"
    & skf18("3","7","8","3","6","10","1") = "9"
    & skf18("3","7","8","3","7","1","1") = "7"
    & skf18("3","7","8","3","7","2","1") = "7"
    & skf18("3","7","8","3","7","3","1") = "7"
    & skf18("3","7","8","3","7","4","1") = "7"
    & skf18("3","7","8","3","7","5","1") = "7"
    & skf18("3","7","8","3","7","6","1") = "7"
    & skf18("3","7","8","3","7","7","1") = "7"
    & skf18("3","7","8","3","7","8","1") = "7"
    & skf18("3","7","8","3","7","9","1") = "8"
    & skf18("3","7","8","3","7","10","1") = "9"
    & skf18("3","7","8","3","8","1","1") = "7"
    & skf18("3","7","8","3","8","2","1") = "7"
    & skf18("3","7","8","3","8","3","1") = "7"
    & skf18("3","7","8","3","8","4","1") = "7"
    & skf18("3","7","8","3","8","5","1") = "7"
    & skf18("3","7","8","3","8","6","1") = "7"
    & skf18("3","7","8","3","8","7","1") = "7"
    & skf18("3","7","8","3","8","8","1") = "7"
    & skf18("3","7","8","3","8","9","1") = "8"
    & skf18("3","7","8","3","8","10","1") = "9"
    & skf18("3","7","8","3","9","1","1") = "8"
    & skf18("3","7","8","3","9","2","1") = "8"
    & skf18("3","7","8","3","9","3","1") = "8"
    & skf18("3","7","8","3","9","4","1") = "8"
    & skf18("3","7","8","3","9","5","1") = "8"
    & skf18("3","7","8","3","9","6","1") = "8"
    & skf18("3","7","8","3","9","7","1") = "8"
    & skf18("3","7","8","3","9","8","1") = "8"
    & skf18("3","7","8","3","9","9","1") = "8"
    & skf18("3","7","8","3","9","10","1") = "9"
    & skf18("3","7","8","3","10","1","1") = "9"
    & skf18("3","7","8","3","10","2","1") = "9"
    & skf18("3","7","8","3","10","3","1") = "9"
    & skf18("3","7","8","3","10","4","1") = "9"
    & skf18("3","7","8","3","10","5","1") = "9"
    & skf18("3","7","8","3","10","6","1") = "9"
    & skf18("3","7","8","3","10","7","1") = "9"
    & skf18("3","7","8","3","10","8","1") = "9"
    & skf18("3","7","8","3","10","9","1") = "9"
    & skf18("3","7","8","3","10","10","1") = "9"
    & skf18("3","7","8","4","1","1","1") = "7"
    & skf18("3","7","8","4","1","2","1") = "7"
    & skf18("3","7","8","4","1","3","1") = "7"
    & skf18("3","7","8","4","1","4","1") = "7"
    & skf18("3","7","8","4","1","5","1") = "7"
    & skf18("3","7","8","4","1","6","1") = "7"
    & skf18("3","7","8","4","1","7","1") = "7"
    & skf18("3","7","8","4","1","8","1") = "7"
    & skf18("3","7","8","4","1","9","1") = "8"
    & skf18("3","7","8","4","1","10","1") = "9"
    & skf18("3","7","8","4","2","1","1") = "7"
    & skf18("3","7","8","4","2","2","1") = "7"
    & skf18("3","7","8","4","2","3","1") = "7"
    & skf18("3","7","8","4","2","4","1") = "7"
    & skf18("3","7","8","4","2","5","1") = "7"
    & skf18("3","7","8","4","2","6","1") = "7"
    & skf18("3","7","8","4","2","7","1") = "7"
    & skf18("3","7","8","4","2","8","1") = "7"
    & skf18("3","7","8","4","2","9","1") = "8"
    & skf18("3","7","8","4","2","10","1") = "9"
    & skf18("3","7","8","4","3","1","1") = "7"
    & skf18("3","7","8","4","3","2","1") = "7"
    & skf18("3","7","8","4","3","3","1") = "7"
    & skf18("3","7","8","4","3","4","1") = "7"
    & skf18("3","7","8","4","3","5","1") = "7"
    & skf18("3","7","8","4","3","6","1") = "7"
    & skf18("3","7","8","4","3","7","1") = "7"
    & skf18("3","7","8","4","3","8","1") = "7"
    & skf18("3","7","8","4","3","9","1") = "8"
    & skf18("3","7","8","4","3","10","1") = "9"
    & skf18("3","7","8","4","4","1","1") = "7"
    & skf18("3","7","8","4","4","2","1") = "7"
    & skf18("3","7","8","4","4","3","1") = "7"
    & skf18("3","7","8","4","4","4","1") = "7"
    & skf18("3","7","8","4","4","5","1") = "7"
    & skf18("3","7","8","4","4","6","1") = "7"
    & skf18("3","7","8","4","4","7","1") = "7"
    & skf18("3","7","8","4","4","8","1") = "7"
    & skf18("3","7","8","4","4","9","1") = "8"
    & skf18("3","7","8","4","4","10","1") = "9"
    & skf18("3","7","8","4","5","1","1") = "7"
    & skf18("3","7","8","4","5","2","1") = "7"
    & skf18("3","7","8","4","5","3","1") = "7"
    & skf18("3","7","8","4","5","4","1") = "7"
    & skf18("3","7","8","4","5","5","1") = "7"
    & skf18("3","7","8","4","5","6","1") = "7"
    & skf18("3","7","8","4","5","7","1") = "7"
    & skf18("3","7","8","4","5","8","1") = "7"
    & skf18("3","7","8","4","5","9","1") = "8"
    & skf18("3","7","8","4","5","10","1") = "9"
    & skf18("3","7","8","4","6","1","1") = "7"
    & skf18("3","7","8","4","6","2","1") = "7"
    & skf18("3","7","8","4","6","3","1") = "7"
    & skf18("3","7","8","4","6","4","1") = "7"
    & skf18("3","7","8","4","6","5","1") = "7"
    & skf18("3","7","8","4","6","6","1") = "7"
    & skf18("3","7","8","4","6","7","1") = "7"
    & skf18("3","7","8","4","6","8","1") = "7"
    & skf18("3","7","8","4","6","9","1") = "8"
    & skf18("3","7","8","4","6","10","1") = "9"
    & skf18("3","7","8","4","7","1","1") = "7"
    & skf18("3","7","8","4","7","2","1") = "7"
    & skf18("3","7","8","4","7","3","1") = "7"
    & skf18("3","7","8","4","7","4","1") = "7"
    & skf18("3","7","8","4","7","5","1") = "7"
    & skf18("3","7","8","4","7","6","1") = "7"
    & skf18("3","7","8","4","7","7","1") = "7"
    & skf18("3","7","8","4","7","8","1") = "7"
    & skf18("3","7","8","4","7","9","1") = "8"
    & skf18("3","7","8","4","7","10","1") = "9"
    & skf18("3","7","8","4","8","1","1") = "7"
    & skf18("3","7","8","4","8","2","1") = "7"
    & skf18("3","7","8","4","8","3","1") = "7"
    & skf18("3","7","8","4","8","4","1") = "7"
    & skf18("3","7","8","4","8","5","1") = "7"
    & skf18("3","7","8","4","8","6","1") = "7"
    & skf18("3","7","8","4","8","7","1") = "7"
    & skf18("3","7","8","4","8","8","1") = "7"
    & skf18("3","7","8","4","8","9","1") = "8"
    & skf18("3","7","8","4","8","10","1") = "9"
    & skf18("3","7","8","4","9","1","1") = "8"
    & skf18("3","7","8","4","9","2","1") = "8"
    & skf18("3","7","8","4","9","3","1") = "8"
    & skf18("3","7","8","4","9","4","1") = "8"
    & skf18("3","7","8","4","9","5","1") = "8"
    & skf18("3","7","8","4","9","6","1") = "8"
    & skf18("3","7","8","4","9","7","1") = "8"
    & skf18("3","7","8","4","9","8","1") = "8"
    & skf18("3","7","8","4","9","9","1") = "8"
    & skf18("3","7","8","4","9","10","1") = "9"
    & skf18("3","7","8","4","10","1","1") = "9"
    & skf18("3","7","8","4","10","2","1") = "9"
    & skf18("3","7","8","4","10","3","1") = "9"
    & skf18("3","7","8","4","10","4","1") = "9"
    & skf18("3","7","8","4","10","5","1") = "9"
    & skf18("3","7","8","4","10","6","1") = "9"
    & skf18("3","7","8","4","10","7","1") = "9"
    & skf18("3","7","8","4","10","8","1") = "9"
    & skf18("3","7","8","4","10","9","1") = "9"
    & skf18("3","7","8","4","10","10","1") = "9"
    & skf18("3","7","8","5","1","1","1") = "7"
    & skf18("3","7","8","5","1","2","1") = "7"
    & skf18("3","7","8","5","1","3","1") = "7"
    & skf18("3","7","8","5","1","4","1") = "7"
    & skf18("3","7","8","5","1","5","1") = "7"
    & skf18("3","7","8","5","1","6","1") = "7"
    & skf18("3","7","8","5","1","7","1") = "7"
    & skf18("3","7","8","5","1","8","1") = "7"
    & skf18("3","7","8","5","1","9","1") = "8"
    & skf18("3","7","8","5","1","10","1") = "9"
    & skf18("3","7","8","5","2","1","1") = "7"
    & skf18("3","7","8","5","2","2","1") = "7"
    & skf18("3","7","8","5","2","3","1") = "7"
    & skf18("3","7","8","5","2","4","1") = "7"
    & skf18("3","7","8","5","2","5","1") = "7"
    & skf18("3","7","8","5","2","6","1") = "7"
    & skf18("3","7","8","5","2","7","1") = "7"
    & skf18("3","7","8","5","2","8","1") = "7"
    & skf18("3","7","8","5","2","9","1") = "8"
    & skf18("3","7","8","5","2","10","1") = "9"
    & skf18("3","7","8","5","3","1","1") = "7"
    & skf18("3","7","8","5","3","2","1") = "7"
    & skf18("3","7","8","5","3","3","1") = "7"
    & skf18("3","7","8","5","3","4","1") = "7"
    & skf18("3","7","8","5","3","5","1") = "7"
    & skf18("3","7","8","5","3","6","1") = "7"
    & skf18("3","7","8","5","3","7","1") = "7"
    & skf18("3","7","8","5","3","8","1") = "7"
    & skf18("3","7","8","5","3","9","1") = "8"
    & skf18("3","7","8","5","3","10","1") = "9"
    & skf18("3","7","8","5","4","1","1") = "7"
    & skf18("3","7","8","5","4","2","1") = "7"
    & skf18("3","7","8","5","4","3","1") = "7"
    & skf18("3","7","8","5","4","4","1") = "7"
    & skf18("3","7","8","5","4","5","1") = "7"
    & skf18("3","7","8","5","4","6","1") = "7"
    & skf18("3","7","8","5","4","7","1") = "7"
    & skf18("3","7","8","5","4","8","1") = "7"
    & skf18("3","7","8","5","4","9","1") = "8"
    & skf18("3","7","8","5","4","10","1") = "9"
    & skf18("3","7","8","5","5","1","1") = "7"
    & skf18("3","7","8","5","5","2","1") = "7"
    & skf18("3","7","8","5","5","3","1") = "7"
    & skf18("3","7","8","5","5","4","1") = "7"
    & skf18("3","7","8","5","5","5","1") = "7"
    & skf18("3","7","8","5","5","6","1") = "7"
    & skf18("3","7","8","5","5","7","1") = "7"
    & skf18("3","7","8","5","5","8","1") = "7"
    & skf18("3","7","8","5","5","9","1") = "8"
    & skf18("3","7","8","5","5","10","1") = "9"
    & skf18("3","7","8","5","6","1","1") = "7"
    & skf18("3","7","8","5","6","2","1") = "7"
    & skf18("3","7","8","5","6","3","1") = "7"
    & skf18("3","7","8","5","6","4","1") = "7"
    & skf18("3","7","8","5","6","5","1") = "7"
    & skf18("3","7","8","5","6","6","1") = "7"
    & skf18("3","7","8","5","6","7","1") = "7"
    & skf18("3","7","8","5","6","8","1") = "7"
    & skf18("3","7","8","5","6","9","1") = "8"
    & skf18("3","7","8","5","6","10","1") = "9"
    & skf18("3","7","8","5","7","1","1") = "7"
    & skf18("3","7","8","5","7","2","1") = "7"
    & skf18("3","7","8","5","7","3","1") = "7"
    & skf18("3","7","8","5","7","4","1") = "7"
    & skf18("3","7","8","5","7","5","1") = "7"
    & skf18("3","7","8","5","7","6","1") = "7"
    & skf18("3","7","8","5","7","7","1") = "7"
    & skf18("3","7","8","5","7","8","1") = "7"
    & skf18("3","7","8","5","7","9","1") = "8"
    & skf18("3","7","8","5","7","10","1") = "9"
    & skf18("3","7","8","5","8","1","1") = "7"
    & skf18("3","7","8","5","8","2","1") = "7"
    & skf18("3","7","8","5","8","3","1") = "7"
    & skf18("3","7","8","5","8","4","1") = "7"
    & skf18("3","7","8","5","8","5","1") = "7"
    & skf18("3","7","8","5","8","6","1") = "7"
    & skf18("3","7","8","5","8","7","1") = "7"
    & skf18("3","7","8","5","8","8","1") = "7"
    & skf18("3","7","8","5","8","9","1") = "8"
    & skf18("3","7","8","5","8","10","1") = "9"
    & skf18("3","7","8","5","9","1","1") = "8"
    & skf18("3","7","8","5","9","2","1") = "8"
    & skf18("3","7","8","5","9","3","1") = "8"
    & skf18("3","7","8","5","9","4","1") = "8"
    & skf18("3","7","8","5","9","5","1") = "8"
    & skf18("3","7","8","5","9","6","1") = "8"
    & skf18("3","7","8","5","9","7","1") = "8"
    & skf18("3","7","8","5","9","8","1") = "8"
    & skf18("3","7","8","5","9","9","1") = "8"
    & skf18("3","7","8","5","9","10","1") = "9"
    & skf18("3","7","8","5","10","1","1") = "9"
    & skf18("3","7","8","5","10","2","1") = "9"
    & skf18("3","7","8","5","10","3","1") = "9"
    & skf18("3","7","8","5","10","4","1") = "9"
    & skf18("3","7","8","5","10","5","1") = "9"
    & skf18("3","7","8","5","10","6","1") = "9"
    & skf18("3","7","8","5","10","7","1") = "9"
    & skf18("3","7","8","5","10","8","1") = "9"
    & skf18("3","7","8","5","10","9","1") = "9"
    & skf18("3","7","8","5","10","10","1") = "9"
    & skf18("3","7","8","6","1","1","1") = "7"
    & skf18("3","7","8","6","1","2","1") = "7"
    & skf18("3","7","8","6","1","3","1") = "7"
    & skf18("3","7","8","6","1","4","1") = "7"
    & skf18("3","7","8","6","1","5","1") = "7"
    & skf18("3","7","8","6","1","6","1") = "7"
    & skf18("3","7","8","6","1","7","1") = "7"
    & skf18("3","7","8","6","1","8","1") = "7"
    & skf18("3","7","8","6","1","9","1") = "8"
    & skf18("3","7","8","6","1","10","1") = "9"
    & skf18("3","7","8","6","2","1","1") = "7"
    & skf18("3","7","8","6","2","2","1") = "7"
    & skf18("3","7","8","6","2","3","1") = "7"
    & skf18("3","7","8","6","2","4","1") = "7"
    & skf18("3","7","8","6","2","5","1") = "7"
    & skf18("3","7","8","6","2","6","1") = "7"
    & skf18("3","7","8","6","2","7","1") = "7"
    & skf18("3","7","8","6","2","8","1") = "7"
    & skf18("3","7","8","6","2","9","1") = "8"
    & skf18("3","7","8","6","2","10","1") = "9"
    & skf18("3","7","8","6","3","1","1") = "7"
    & skf18("3","7","8","6","3","2","1") = "7"
    & skf18("3","7","8","6","3","3","1") = "7"
    & skf18("3","7","8","6","3","4","1") = "7"
    & skf18("3","7","8","6","3","5","1") = "7"
    & skf18("3","7","8","6","3","6","1") = "7"
    & skf18("3","7","8","6","3","7","1") = "7"
    & skf18("3","7","8","6","3","8","1") = "7"
    & skf18("3","7","8","6","3","9","1") = "8"
    & skf18("3","7","8","6","3","10","1") = "9"
    & skf18("3","7","8","6","4","1","1") = "7"
    & skf18("3","7","8","6","4","2","1") = "7"
    & skf18("3","7","8","6","4","3","1") = "7"
    & skf18("3","7","8","6","4","4","1") = "7"
    & skf18("3","7","8","6","4","5","1") = "7"
    & skf18("3","7","8","6","4","6","1") = "7"
    & skf18("3","7","8","6","4","7","1") = "7"
    & skf18("3","7","8","6","4","8","1") = "7"
    & skf18("3","7","8","6","4","9","1") = "8"
    & skf18("3","7","8","6","4","10","1") = "9"
    & skf18("3","7","8","6","5","1","1") = "7"
    & skf18("3","7","8","6","5","2","1") = "7"
    & skf18("3","7","8","6","5","3","1") = "7"
    & skf18("3","7","8","6","5","4","1") = "7"
    & skf18("3","7","8","6","5","5","1") = "7"
    & skf18("3","7","8","6","5","6","1") = "7"
    & skf18("3","7","8","6","5","7","1") = "7"
    & skf18("3","7","8","6","5","8","1") = "7"
    & skf18("3","7","8","6","5","9","1") = "8"
    & skf18("3","7","8","6","5","10","1") = "9"
    & skf18("3","7","8","6","6","1","1") = "7"
    & skf18("3","7","8","6","6","2","1") = "7"
    & skf18("3","7","8","6","6","3","1") = "7"
    & skf18("3","7","8","6","6","4","1") = "7"
    & skf18("3","7","8","6","6","5","1") = "7"
    & skf18("3","7","8","6","6","6","1") = "7"
    & skf18("3","7","8","6","6","7","1") = "7"
    & skf18("3","7","8","6","6","8","1") = "7"
    & skf18("3","7","8","6","6","9","1") = "8"
    & skf18("3","7","8","6","6","10","1") = "9"
    & skf18("3","7","8","6","7","1","1") = "7"
    & skf18("3","7","8","6","7","2","1") = "7"
    & skf18("3","7","8","6","7","3","1") = "7"
    & skf18("3","7","8","6","7","4","1") = "7"
    & skf18("3","7","8","6","7","5","1") = "7"
    & skf18("3","7","8","6","7","6","1") = "7"
    & skf18("3","7","8","6","7","7","1") = "7"
    & skf18("3","7","8","6","7","8","1") = "7"
    & skf18("3","7","8","6","7","9","1") = "8"
    & skf18("3","7","8","6","7","10","1") = "9"
    & skf18("3","7","8","6","8","1","1") = "7"
    & skf18("3","7","8","6","8","2","1") = "7"
    & skf18("3","7","8","6","8","3","1") = "7"
    & skf18("3","7","8","6","8","4","1") = "7"
    & skf18("3","7","8","6","8","5","1") = "7"
    & skf18("3","7","8","6","8","6","1") = "7"
    & skf18("3","7","8","6","8","7","1") = "7"
    & skf18("3","7","8","6","8","8","1") = "7"
    & skf18("3","7","8","6","8","9","1") = "8"
    & skf18("3","7","8","6","8","10","1") = "9"
    & skf18("3","7","8","6","9","1","1") = "8"
    & skf18("3","7","8","6","9","2","1") = "8"
    & skf18("3","7","8","6","9","3","1") = "8"
    & skf18("3","7","8","6","9","4","1") = "8"
    & skf18("3","7","8","6","9","5","1") = "8"
    & skf18("3","7","8","6","9","6","1") = "8"
    & skf18("3","7","8","6","9","7","1") = "8"
    & skf18("3","7","8","6","9","8","1") = "8"
    & skf18("3","7","8","6","9","9","1") = "8"
    & skf18("3","7","8","6","9","10","1") = "9"
    & skf18("3","7","8","6","10","1","1") = "9"
    & skf18("3","7","8","6","10","2","1") = "9"
    & skf18("3","7","8","6","10","3","1") = "9"
    & skf18("3","7","8","6","10","4","1") = "9"
    & skf18("3","7","8","6","10","5","1") = "9"
    & skf18("3","7","8","6","10","6","1") = "9"
    & skf18("3","7","8","6","10","7","1") = "9"
    & skf18("3","7","8","6","10","8","1") = "9"
    & skf18("3","7","8","6","10","9","1") = "9"
    & skf18("3","7","8","6","10","10","1") = "9"
    & skf18("3","7","8","7","1","1","1") = "7"
    & skf18("3","7","8","7","1","2","1") = "7"
    & skf18("3","7","8","7","1","3","1") = "7"
    & skf18("3","7","8","7","1","4","1") = "7"
    & skf18("3","7","8","7","1","5","1") = "7"
    & skf18("3","7","8","7","1","6","1") = "7"
    & skf18("3","7","8","7","1","7","1") = "7"
    & skf18("3","7","8","7","1","8","1") = "7"
    & skf18("3","7","8","7","1","9","1") = "8"
    & skf18("3","7","8","7","1","10","1") = "9"
    & skf18("3","7","8","7","2","1","1") = "7"
    & skf18("3","7","8","7","2","2","1") = "7"
    & skf18("3","7","8","7","2","3","1") = "7"
    & skf18("3","7","8","7","2","4","1") = "7"
    & skf18("3","7","8","7","2","5","1") = "7"
    & skf18("3","7","8","7","2","6","1") = "7"
    & skf18("3","7","8","7","2","7","1") = "7"
    & skf18("3","7","8","7","2","8","1") = "7"
    & skf18("3","7","8","7","2","9","1") = "8"
    & skf18("3","7","8","7","2","10","1") = "9"
    & skf18("3","7","8","7","3","1","1") = "7"
    & skf18("3","7","8","7","3","2","1") = "7"
    & skf18("3","7","8","7","3","3","1") = "7"
    & skf18("3","7","8","7","3","4","1") = "7"
    & skf18("3","7","8","7","3","5","1") = "7"
    & skf18("3","7","8","7","3","6","1") = "7"
    & skf18("3","7","8","7","3","7","1") = "7"
    & skf18("3","7","8","7","3","8","1") = "7"
    & skf18("3","7","8","7","3","9","1") = "8"
    & skf18("3","7","8","7","3","10","1") = "9"
    & skf18("3","7","8","7","4","1","1") = "7"
    & skf18("3","7","8","7","4","2","1") = "7"
    & skf18("3","7","8","7","4","3","1") = "7"
    & skf18("3","7","8","7","4","4","1") = "7"
    & skf18("3","7","8","7","4","5","1") = "7"
    & skf18("3","7","8","7","4","6","1") = "7"
    & skf18("3","7","8","7","4","7","1") = "7"
    & skf18("3","7","8","7","4","8","1") = "7"
    & skf18("3","7","8","7","4","9","1") = "8"
    & skf18("3","7","8","7","4","10","1") = "9"
    & skf18("3","7","8","7","5","1","1") = "7"
    & skf18("3","7","8","7","5","2","1") = "7"
    & skf18("3","7","8","7","5","3","1") = "7"
    & skf18("3","7","8","7","5","4","1") = "7"
    & skf18("3","7","8","7","5","5","1") = "7"
    & skf18("3","7","8","7","5","6","1") = "7"
    & skf18("3","7","8","7","5","7","1") = "7"
    & skf18("3","7","8","7","5","8","1") = "7"
    & skf18("3","7","8","7","5","9","1") = "8"
    & skf18("3","7","8","7","5","10","1") = "9"
    & skf18("3","7","8","7","6","1","1") = "7"
    & skf18("3","7","8","7","6","2","1") = "7"
    & skf18("3","7","8","7","6","3","1") = "7"
    & skf18("3","7","8","7","6","4","1") = "7"
    & skf18("3","7","8","7","6","5","1") = "7"
    & skf18("3","7","8","7","6","6","1") = "7"
    & skf18("3","7","8","7","6","7","1") = "7"
    & skf18("3","7","8","7","6","8","1") = "7"
    & skf18("3","7","8","7","6","9","1") = "8"
    & skf18("3","7","8","7","6","10","1") = "9"
    & skf18("3","7","8","7","7","1","1") = "7"
    & skf18("3","7","8","7","7","2","1") = "7"
    & skf18("3","7","8","7","7","3","1") = "7"
    & skf18("3","7","8","7","7","4","1") = "7"
    & skf18("3","7","8","7","7","5","1") = "7"
    & skf18("3","7","8","7","7","6","1") = "7"
    & skf18("3","7","8","7","7","7","1") = "7"
    & skf18("3","7","8","7","7","8","1") = "7"
    & skf18("3","7","8","7","7","9","1") = "8"
    & skf18("3","7","8","7","7","10","1") = "9"
    & skf18("3","7","8","7","8","1","1") = "7"
    & skf18("3","7","8","7","8","2","1") = "7"
    & skf18("3","7","8","7","8","3","1") = "7"
    & skf18("3","7","8","7","8","4","1") = "7"
    & skf18("3","7","8","7","8","5","1") = "7"
    & skf18("3","7","8","7","8","6","1") = "7"
    & skf18("3","7","8","7","8","7","1") = "7"
    & skf18("3","7","8","7","8","8","1") = "7"
    & skf18("3","7","8","7","8","9","1") = "8"
    & skf18("3","7","8","7","8","10","1") = "9"
    & skf18("3","7","8","7","9","1","1") = "8"
    & skf18("3","7","8","7","9","2","1") = "8"
    & skf18("3","7","8","7","9","3","1") = "8"
    & skf18("3","7","8","7","9","4","1") = "8"
    & skf18("3","7","8","7","9","5","1") = "8"
    & skf18("3","7","8","7","9","6","1") = "8"
    & skf18("3","7","8","7","9","7","1") = "8"
    & skf18("3","7","8","7","9","8","1") = "8"
    & skf18("3","7","8","7","9","9","1") = "8"
    & skf18("3","7","8","7","9","10","1") = "9"
    & skf18("3","7","8","7","10","1","1") = "9"
    & skf18("3","7","8","7","10","2","1") = "9"
    & skf18("3","7","8","7","10","3","1") = "9"
    & skf18("3","7","8","7","10","4","1") = "9"
    & skf18("3","7","8","7","10","5","1") = "9"
    & skf18("3","7","8","7","10","6","1") = "9"
    & skf18("3","7","8","7","10","7","1") = "9"
    & skf18("3","7","8","7","10","8","1") = "9"
    & skf18("3","7","8","7","10","9","1") = "9"
    & skf18("3","7","8","7","10","10","1") = "9"
    & skf18("3","7","8","8","1","1","1") = "7"
    & skf18("3","7","8","8","1","2","1") = "7"
    & skf18("3","7","8","8","1","3","1") = "7"
    & skf18("3","7","8","8","1","4","1") = "7"
    & skf18("3","7","8","8","1","5","1") = "7"
    & skf18("3","7","8","8","1","6","1") = "7"
    & skf18("3","7","8","8","1","7","1") = "7"
    & skf18("3","7","8","8","1","8","1") = "7"
    & skf18("3","7","8","8","1","9","1") = "8"
    & skf18("3","7","8","8","1","10","1") = "9"
    & skf18("3","7","8","8","2","1","1") = "7"
    & skf18("3","7","8","8","2","2","1") = "7"
    & skf18("3","7","8","8","2","3","1") = "7"
    & skf18("3","7","8","8","2","4","1") = "7"
    & skf18("3","7","8","8","2","5","1") = "7"
    & skf18("3","7","8","8","2","6","1") = "7"
    & skf18("3","7","8","8","2","7","1") = "7"
    & skf18("3","7","8","8","2","8","1") = "7"
    & skf18("3","7","8","8","2","9","1") = "8"
    & skf18("3","7","8","8","2","10","1") = "9"
    & skf18("3","7","8","8","3","1","1") = "7"
    & skf18("3","7","8","8","3","2","1") = "7"
    & skf18("3","7","8","8","3","3","1") = "7"
    & skf18("3","7","8","8","3","4","1") = "7"
    & skf18("3","7","8","8","3","5","1") = "7"
    & skf18("3","7","8","8","3","6","1") = "7"
    & skf18("3","7","8","8","3","7","1") = "7"
    & skf18("3","7","8","8","3","8","1") = "7"
    & skf18("3","7","8","8","3","9","1") = "8"
    & skf18("3","7","8","8","3","10","1") = "9"
    & skf18("3","7","8","8","4","1","1") = "7"
    & skf18("3","7","8","8","4","2","1") = "7"
    & skf18("3","7","8","8","4","3","1") = "7"
    & skf18("3","7","8","8","4","4","1") = "7"
    & skf18("3","7","8","8","4","5","1") = "7"
    & skf18("3","7","8","8","4","6","1") = "7"
    & skf18("3","7","8","8","4","7","1") = "7"
    & skf18("3","7","8","8","4","8","1") = "7"
    & skf18("3","7","8","8","4","9","1") = "8"
    & skf18("3","7","8","8","4","10","1") = "9"
    & skf18("3","7","8","8","5","1","1") = "7"
    & skf18("3","7","8","8","5","2","1") = "7"
    & skf18("3","7","8","8","5","3","1") = "7"
    & skf18("3","7","8","8","5","4","1") = "7"
    & skf18("3","7","8","8","5","5","1") = "7"
    & skf18("3","7","8","8","5","6","1") = "7"
    & skf18("3","7","8","8","5","7","1") = "7"
    & skf18("3","7","8","8","5","8","1") = "7"
    & skf18("3","7","8","8","5","9","1") = "8"
    & skf18("3","7","8","8","5","10","1") = "9"
    & skf18("3","7","8","8","6","1","1") = "7"
    & skf18("3","7","8","8","6","2","1") = "7"
    & skf18("3","7","8","8","6","3","1") = "7"
    & skf18("3","7","8","8","6","4","1") = "7"
    & skf18("3","7","8","8","6","5","1") = "7"
    & skf18("3","7","8","8","6","6","1") = "7"
    & skf18("3","7","8","8","6","7","1") = "7"
    & skf18("3","7","8","8","6","8","1") = "7"
    & skf18("3","7","8","8","6","9","1") = "8"
    & skf18("3","7","8","8","6","10","1") = "9"
    & skf18("3","7","8","8","7","1","1") = "7"
    & skf18("3","7","8","8","7","2","1") = "7"
    & skf18("3","7","8","8","7","3","1") = "7"
    & skf18("3","7","8","8","7","4","1") = "7"
    & skf18("3","7","8","8","7","5","1") = "7"
    & skf18("3","7","8","8","7","6","1") = "7"
    & skf18("3","7","8","8","7","7","1") = "7"
    & skf18("3","7","8","8","7","8","1") = "7"
    & skf18("3","7","8","8","7","9","1") = "8"
    & skf18("3","7","8","8","7","10","1") = "9"
    & skf18("3","7","8","8","8","1","1") = "7"
    & skf18("3","7","8","8","8","2","1") = "7"
    & skf18("3","7","8","8","8","3","1") = "7"
    & skf18("3","7","8","8","8","4","1") = "7"
    & skf18("3","7","8","8","8","5","1") = "7"
    & skf18("3","7","8","8","8","6","1") = "7"
    & skf18("3","7","8","8","8","7","1") = "7"
    & skf18("3","7","8","8","8","8","1") = "7"
    & skf18("3","7","8","8","8","9","1") = "8"
    & skf18("3","7","8","8","8","10","1") = "9"
    & skf18("3","7","8","8","9","1","1") = "8"
    & skf18("3","7","8","8","9","2","1") = "8"
    & skf18("3","7","8","8","9","3","1") = "8"
    & skf18("3","7","8","8","9","4","1") = "8"
    & skf18("3","7","8","8","9","5","1") = "8"
    & skf18("3","7","8","8","9","6","1") = "8"
    & skf18("3","7","8","8","9","7","1") = "8"
    & skf18("3","7","8","8","9","8","1") = "8"
    & skf18("3","7","8","8","9","9","1") = "8"
    & skf18("3","7","8","8","9","10","1") = "9"
    & skf18("3","7","8","8","10","1","1") = "9"
    & skf18("3","7","8","8","10","2","1") = "9"
    & skf18("3","7","8","8","10","3","1") = "9"
    & skf18("3","7","8","8","10","4","1") = "9"
    & skf18("3","7","8","8","10","5","1") = "9"
    & skf18("3","7","8","8","10","6","1") = "9"
    & skf18("3","7","8","8","10","7","1") = "9"
    & skf18("3","7","8","8","10","8","1") = "9"
    & skf18("3","7","8","8","10","9","1") = "9"
    & skf18("3","7","8","8","10","10","1") = "9"
    & skf18("3","7","8","9","1","1","1") = "8"
    & skf18("3","7","8","9","1","2","1") = "8"
    & skf18("3","7","8","9","1","3","1") = "8"
    & skf18("3","7","8","9","1","4","1") = "8"
    & skf18("3","7","8","9","1","5","1") = "8"
    & skf18("3","7","8","9","1","6","1") = "8"
    & skf18("3","7","8","9","1","7","1") = "8"
    & skf18("3","7","8","9","1","8","1") = "8"
    & skf18("3","7","8","9","1","9","1") = "8"
    & skf18("3","7","8","9","1","10","1") = "9"
    & skf18("3","7","8","9","2","1","1") = "8"
    & skf18("3","7","8","9","2","2","1") = "8"
    & skf18("3","7","8","9","2","3","1") = "8"
    & skf18("3","7","8","9","2","4","1") = "8"
    & skf18("3","7","8","9","2","5","1") = "8"
    & skf18("3","7","8","9","2","6","1") = "8"
    & skf18("3","7","8","9","2","7","1") = "8"
    & skf18("3","7","8","9","2","8","1") = "8"
    & skf18("3","7","8","9","2","9","1") = "8"
    & skf18("3","7","8","9","2","10","1") = "9"
    & skf18("3","7","8","9","3","1","1") = "8"
    & skf18("3","7","8","9","3","2","1") = "8"
    & skf18("3","7","8","9","3","3","1") = "8"
    & skf18("3","7","8","9","3","4","1") = "8"
    & skf18("3","7","8","9","3","5","1") = "8"
    & skf18("3","7","8","9","3","6","1") = "8"
    & skf18("3","7","8","9","3","7","1") = "8"
    & skf18("3","7","8","9","3","8","1") = "8"
    & skf18("3","7","8","9","3","9","1") = "8"
    & skf18("3","7","8","9","3","10","1") = "9"
    & skf18("3","7","8","9","4","1","1") = "8"
    & skf18("3","7","8","9","4","2","1") = "8"
    & skf18("3","7","8","9","4","3","1") = "8"
    & skf18("3","7","8","9","4","4","1") = "8"
    & skf18("3","7","8","9","4","5","1") = "8"
    & skf18("3","7","8","9","4","6","1") = "8"
    & skf18("3","7","8","9","4","7","1") = "8"
    & skf18("3","7","8","9","4","8","1") = "8"
    & skf18("3","7","8","9","4","9","1") = "8"
    & skf18("3","7","8","9","4","10","1") = "9"
    & skf18("3","7","8","9","5","1","1") = "8"
    & skf18("3","7","8","9","5","2","1") = "8"
    & skf18("3","7","8","9","5","3","1") = "8"
    & skf18("3","7","8","9","5","4","1") = "8"
    & skf18("3","7","8","9","5","5","1") = "8"
    & skf18("3","7","8","9","5","6","1") = "8"
    & skf18("3","7","8","9","5","7","1") = "8"
    & skf18("3","7","8","9","5","8","1") = "8"
    & skf18("3","7","8","9","5","9","1") = "8"
    & skf18("3","7","8","9","5","10","1") = "9"
    & skf18("3","7","8","9","6","1","1") = "8"
    & skf18("3","7","8","9","6","2","1") = "8"
    & skf18("3","7","8","9","6","3","1") = "8"
    & skf18("3","7","8","9","6","4","1") = "8"
    & skf18("3","7","8","9","6","5","1") = "8"
    & skf18("3","7","8","9","6","6","1") = "8"
    & skf18("3","7","8","9","6","7","1") = "8"
    & skf18("3","7","8","9","6","8","1") = "8"
    & skf18("3","7","8","9","6","9","1") = "8"
    & skf18("3","7","8","9","6","10","1") = "9"
    & skf18("3","7","8","9","7","1","1") = "8"
    & skf18("3","7","8","9","7","2","1") = "8"
    & skf18("3","7","8","9","7","3","1") = "8"
    & skf18("3","7","8","9","7","4","1") = "8"
    & skf18("3","7","8","9","7","5","1") = "8"
    & skf18("3","7","8","9","7","6","1") = "8"
    & skf18("3","7","8","9","7","7","1") = "8"
    & skf18("3","7","8","9","7","8","1") = "8"
    & skf18("3","7","8","9","7","9","1") = "8"
    & skf18("3","7","8","9","7","10","1") = "9"
    & skf18("3","7","8","9","8","1","1") = "8"
    & skf18("3","7","8","9","8","2","1") = "8"
    & skf18("3","7","8","9","8","3","1") = "8"
    & skf18("3","7","8","9","8","4","1") = "8"
    & skf18("3","7","8","9","8","5","1") = "8"
    & skf18("3","7","8","9","8","6","1") = "8"
    & skf18("3","7","8","9","8","7","1") = "8"
    & skf18("3","7","8","9","8","8","1") = "8"
    & skf18("3","7","8","9","8","9","1") = "8"
    & skf18("3","7","8","9","8","10","1") = "9"
    & skf18("3","7","8","9","9","1","1") = "8"
    & skf18("3","7","8","9","9","2","1") = "8"
    & skf18("3","7","8","9","9","3","1") = "8"
    & skf18("3","7","8","9","9","4","1") = "8"
    & skf18("3","7","8","9","9","5","1") = "8"
    & skf18("3","7","8","9","9","6","1") = "8"
    & skf18("3","7","8","9","9","7","1") = "8"
    & skf18("3","7","8","9","9","8","1") = "8"
    & skf18("3","7","8","9","9","9","1") = "8"
    & skf18("3","7","8","9","9","10","1") = "9"
    & skf18("3","7","8","9","10","1","1") = "9"
    & skf18("3","7","8","9","10","2","1") = "9"
    & skf18("3","7","8","9","10","3","1") = "9"
    & skf18("3","7","8","9","10","4","1") = "9"
    & skf18("3","7","8","9","10","5","1") = "9"
    & skf18("3","7","8","9","10","6","1") = "9"
    & skf18("3","7","8","9","10","7","1") = "9"
    & skf18("3","7","8","9","10","8","1") = "9"
    & skf18("3","7","8","9","10","9","1") = "9"
    & skf18("3","7","8","9","10","10","1") = "9"
    & skf18("3","7","8","10","1","1","1") = "9"
    & skf18("3","7","8","10","1","2","1") = "9"
    & skf18("3","7","8","10","1","3","1") = "9"
    & skf18("3","7","8","10","1","4","1") = "9"
    & skf18("3","7","8","10","1","5","1") = "9"
    & skf18("3","7","8","10","1","6","1") = "9"
    & skf18("3","7","8","10","1","7","1") = "9"
    & skf18("3","7","8","10","1","8","1") = "9"
    & skf18("3","7","8","10","1","9","1") = "9"
    & skf18("3","7","8","10","1","10","1") = "9"
    & skf18("3","7","8","10","2","1","1") = "9"
    & skf18("3","7","8","10","2","2","1") = "9"
    & skf18("3","7","8","10","2","3","1") = "9"
    & skf18("3","7","8","10","2","4","1") = "9"
    & skf18("3","7","8","10","2","5","1") = "9"
    & skf18("3","7","8","10","2","6","1") = "9"
    & skf18("3","7","8","10","2","7","1") = "9"
    & skf18("3","7","8","10","2","8","1") = "9"
    & skf18("3","7","8","10","2","9","1") = "9"
    & skf18("3","7","8","10","2","10","1") = "9"
    & skf18("3","7","8","10","3","1","1") = "9"
    & skf18("3","7","8","10","3","2","1") = "9"
    & skf18("3","7","8","10","3","3","1") = "9"
    & skf18("3","7","8","10","3","4","1") = "9"
    & skf18("3","7","8","10","3","5","1") = "9"
    & skf18("3","7","8","10","3","6","1") = "9"
    & skf18("3","7","8","10","3","7","1") = "9"
    & skf18("3","7","8","10","3","8","1") = "9"
    & skf18("3","7","8","10","3","9","1") = "9"
    & skf18("3","7","8","10","3","10","1") = "9"
    & skf18("3","7","8","10","4","1","1") = "9"
    & skf18("3","7","8","10","4","2","1") = "9"
    & skf18("3","7","8","10","4","3","1") = "9"
    & skf18("3","7","8","10","4","4","1") = "9"
    & skf18("3","7","8","10","4","5","1") = "9"
    & skf18("3","7","8","10","4","6","1") = "9"
    & skf18("3","7","8","10","4","7","1") = "9"
    & skf18("3","7","8","10","4","8","1") = "9"
    & skf18("3","7","8","10","4","9","1") = "9"
    & skf18("3","7","8","10","4","10","1") = "9"
    & skf18("3","7","8","10","5","1","1") = "9"
    & skf18("3","7","8","10","5","2","1") = "9"
    & skf18("3","7","8","10","5","3","1") = "9"
    & skf18("3","7","8","10","5","4","1") = "9"
    & skf18("3","7","8","10","5","5","1") = "9"
    & skf18("3","7","8","10","5","6","1") = "9"
    & skf18("3","7","8","10","5","7","1") = "9"
    & skf18("3","7","8","10","5","8","1") = "9"
    & skf18("3","7","8","10","5","9","1") = "9"
    & skf18("3","7","8","10","5","10","1") = "9"
    & skf18("3","7","8","10","6","1","1") = "9"
    & skf18("3","7","8","10","6","2","1") = "9"
    & skf18("3","7","8","10","6","3","1") = "9"
    & skf18("3","7","8","10","6","4","1") = "9"
    & skf18("3","7","8","10","6","5","1") = "9"
    & skf18("3","7","8","10","6","6","1") = "9"
    & skf18("3","7","8","10","6","7","1") = "9"
    & skf18("3","7","8","10","6","8","1") = "9"
    & skf18("3","7","8","10","6","9","1") = "9"
    & skf18("3","7","8","10","6","10","1") = "9"
    & skf18("3","7","8","10","7","1","1") = "9"
    & skf18("3","7","8","10","7","2","1") = "9"
    & skf18("3","7","8","10","7","3","1") = "9"
    & skf18("3","7","8","10","7","4","1") = "9"
    & skf18("3","7","8","10","7","5","1") = "9"
    & skf18("3","7","8","10","7","6","1") = "9"
    & skf18("3","7","8","10","7","7","1") = "9"
    & skf18("3","7","8","10","7","8","1") = "9"
    & skf18("3","7","8","10","7","9","1") = "9"
    & skf18("3","7","8","10","7","10","1") = "9"
    & skf18("3","7","8","10","8","1","1") = "9"
    & skf18("3","7","8","10","8","2","1") = "9"
    & skf18("3","7","8","10","8","3","1") = "9"
    & skf18("3","7","8","10","8","4","1") = "9"
    & skf18("3","7","8","10","8","5","1") = "9"
    & skf18("3","7","8","10","8","6","1") = "9"
    & skf18("3","7","8","10","8","7","1") = "9"
    & skf18("3","7","8","10","8","8","1") = "9"
    & skf18("3","7","8","10","8","9","1") = "9"
    & skf18("3","7","8","10","8","10","1") = "9"
    & skf18("3","7","8","10","9","1","1") = "9"
    & skf18("3","7","8","10","9","2","1") = "9"
    & skf18("3","7","8","10","9","3","1") = "9"
    & skf18("3","7","8","10","9","4","1") = "9"
    & skf18("3","7","8","10","9","5","1") = "9"
    & skf18("3","7","8","10","9","6","1") = "9"
    & skf18("3","7","8","10","9","7","1") = "9"
    & skf18("3","7","8","10","9","8","1") = "9"
    & skf18("3","7","8","10","9","9","1") = "9"
    & skf18("3","7","8","10","9","10","1") = "9"
    & skf18("3","7","8","10","10","1","1") = "9"
    & skf18("3","7","8","10","10","2","1") = "9"
    & skf18("3","7","8","10","10","3","1") = "9"
    & skf18("3","7","8","10","10","4","1") = "9"
    & skf18("3","7","8","10","10","5","1") = "9"
    & skf18("3","7","8","10","10","6","1") = "9"
    & skf18("3","7","8","10","10","7","1") = "9"
    & skf18("3","7","8","10","10","8","1") = "9"
    & skf18("3","7","8","10","10","9","1") = "9"
    & skf18("3","7","8","10","10","10","1") = "9"
    & skf18("3","7","9","1","1","1","1") = "8"
    & skf18("3","7","9","1","1","2","1") = "8"
    & skf18("3","7","9","1","1","3","1") = "8"
    & skf18("3","7","9","1","1","4","1") = "8"
    & skf18("3","7","9","1","1","5","1") = "8"
    & skf18("3","7","9","1","1","6","1") = "8"
    & skf18("3","7","9","1","1","7","1") = "8"
    & skf18("3","7","9","1","1","8","1") = "8"
    & skf18("3","7","9","1","1","9","1") = "8"
    & skf18("3","7","9","1","1","10","1") = "9"
    & skf18("3","7","9","1","2","1","1") = "8"
    & skf18("3","7","9","1","2","2","1") = "8"
    & skf18("3","7","9","1","2","3","1") = "8"
    & skf18("3","7","9","1","2","4","1") = "8"
    & skf18("3","7","9","1","2","5","1") = "8"
    & skf18("3","7","9","1","2","6","1") = "8"
    & skf18("3","7","9","1","2","7","1") = "8"
    & skf18("3","7","9","1","2","8","1") = "8"
    & skf18("3","7","9","1","2","9","1") = "8"
    & skf18("3","7","9","1","2","10","1") = "9"
    & skf18("3","7","9","1","3","1","1") = "8"
    & skf18("3","7","9","1","3","2","1") = "8"
    & skf18("3","7","9","1","3","3","1") = "8"
    & skf18("3","7","9","1","3","4","1") = "8"
    & skf18("3","7","9","1","3","5","1") = "8"
    & skf18("3","7","9","1","3","6","1") = "8"
    & skf18("3","7","9","1","3","7","1") = "8"
    & skf18("3","7","9","1","3","8","1") = "8"
    & skf18("3","7","9","1","3","9","1") = "8"
    & skf18("3","7","9","1","3","10","1") = "9"
    & skf18("3","7","9","1","4","1","1") = "8"
    & skf18("3","7","9","1","4","2","1") = "8"
    & skf18("3","7","9","1","4","3","1") = "8"
    & skf18("3","7","9","1","4","4","1") = "8"
    & skf18("3","7","9","1","4","5","1") = "8"
    & skf18("3","7","9","1","4","6","1") = "8"
    & skf18("3","7","9","1","4","7","1") = "8"
    & skf18("3","7","9","1","4","8","1") = "8"
    & skf18("3","7","9","1","4","9","1") = "8"
    & skf18("3","7","9","1","4","10","1") = "9"
    & skf18("3","7","9","1","5","1","1") = "8"
    & skf18("3","7","9","1","5","2","1") = "8"
    & skf18("3","7","9","1","5","3","1") = "8"
    & skf18("3","7","9","1","5","4","1") = "8"
    & skf18("3","7","9","1","5","5","1") = "8"
    & skf18("3","7","9","1","5","6","1") = "8"
    & skf18("3","7","9","1","5","7","1") = "8"
    & skf18("3","7","9","1","5","8","1") = "8"
    & skf18("3","7","9","1","5","9","1") = "8"
    & skf18("3","7","9","1","5","10","1") = "9"
    & skf18("3","7","9","1","6","1","1") = "8"
    & skf18("3","7","9","1","6","2","1") = "8"
    & skf18("3","7","9","1","6","3","1") = "8"
    & skf18("3","7","9","1","6","4","1") = "8"
    & skf18("3","7","9","1","6","5","1") = "8"
    & skf18("3","7","9","1","6","6","1") = "8"
    & skf18("3","7","9","1","6","7","1") = "8"
    & skf18("3","7","9","1","6","8","1") = "8"
    & skf18("3","7","9","1","6","9","1") = "8"
    & skf18("3","7","9","1","6","10","1") = "9"
    & skf18("3","7","9","1","7","1","1") = "8"
    & skf18("3","7","9","1","7","2","1") = "8"
    & skf18("3","7","9","1","7","3","1") = "8"
    & skf18("3","7","9","1","7","4","1") = "8"
    & skf18("3","7","9","1","7","5","1") = "8"
    & skf18("3","7","9","1","7","6","1") = "8"
    & skf18("3","7","9","1","7","7","1") = "8"
    & skf18("3","7","9","1","7","8","1") = "8"
    & skf18("3","7","9","1","7","9","1") = "8"
    & skf18("3","7","9","1","7","10","1") = "9"
    & skf18("3","7","9","1","8","1","1") = "8"
    & skf18("3","7","9","1","8","2","1") = "8"
    & skf18("3","7","9","1","8","3","1") = "8"
    & skf18("3","7","9","1","8","4","1") = "8"
    & skf18("3","7","9","1","8","5","1") = "8"
    & skf18("3","7","9","1","8","6","1") = "8"
    & skf18("3","7","9","1","8","7","1") = "8"
    & skf18("3","7","9","1","8","8","1") = "8"
    & skf18("3","7","9","1","8","9","1") = "8"
    & skf18("3","7","9","1","8","10","1") = "9"
    & skf18("3","7","9","1","9","1","1") = "8"
    & skf18("3","7","9","1","9","2","1") = "8"
    & skf18("3","7","9","1","9","3","1") = "8"
    & skf18("3","7","9","1","9","4","1") = "8"
    & skf18("3","7","9","1","9","5","1") = "8"
    & skf18("3","7","9","1","9","6","1") = "8"
    & skf18("3","7","9","1","9","7","1") = "8"
    & skf18("3","7","9","1","9","8","1") = "8"
    & skf18("3","7","9","1","9","9","1") = "8"
    & skf18("3","7","9","1","9","10","1") = "9"
    & skf18("3","7","9","1","10","1","1") = "9"
    & skf18("3","7","9","1","10","2","1") = "9"
    & skf18("3","7","9","1","10","3","1") = "9"
    & skf18("3","7","9","1","10","4","1") = "9"
    & skf18("3","7","9","1","10","5","1") = "9"
    & skf18("3","7","9","1","10","6","1") = "9"
    & skf18("3","7","9","1","10","7","1") = "9"
    & skf18("3","7","9","1","10","8","1") = "9"
    & skf18("3","7","9","1","10","9","1") = "9"
    & skf18("3","7","9","1","10","10","1") = "9"
    & skf18("3","7","9","2","1","1","1") = "8"
    & skf18("3","7","9","2","1","2","1") = "8"
    & skf18("3","7","9","2","1","3","1") = "8"
    & skf18("3","7","9","2","1","4","1") = "8"
    & skf18("3","7","9","2","1","5","1") = "8"
    & skf18("3","7","9","2","1","6","1") = "8"
    & skf18("3","7","9","2","1","7","1") = "8"
    & skf18("3","7","9","2","1","8","1") = "8"
    & skf18("3","7","9","2","1","9","1") = "8"
    & skf18("3","7","9","2","1","10","1") = "9"
    & skf18("3","7","9","2","2","1","1") = "8"
    & skf18("3","7","9","2","2","2","1") = "8"
    & skf18("3","7","9","2","2","3","1") = "8"
    & skf18("3","7","9","2","2","4","1") = "8"
    & skf18("3","7","9","2","2","5","1") = "8"
    & skf18("3","7","9","2","2","6","1") = "8"
    & skf18("3","7","9","2","2","7","1") = "8"
    & skf18("3","7","9","2","2","8","1") = "8"
    & skf18("3","7","9","2","2","9","1") = "8"
    & skf18("3","7","9","2","2","10","1") = "9"
    & skf18("3","7","9","2","3","1","1") = "8"
    & skf18("3","7","9","2","3","2","1") = "8"
    & skf18("3","7","9","2","3","3","1") = "8"
    & skf18("3","7","9","2","3","4","1") = "8"
    & skf18("3","7","9","2","3","5","1") = "8"
    & skf18("3","7","9","2","3","6","1") = "8"
    & skf18("3","7","9","2","3","7","1") = "8"
    & skf18("3","7","9","2","3","8","1") = "8"
    & skf18("3","7","9","2","3","9","1") = "8"
    & skf18("3","7","9","2","3","10","1") = "9"
    & skf18("3","7","9","2","4","1","1") = "8"
    & skf18("3","7","9","2","4","2","1") = "8"
    & skf18("3","7","9","2","4","3","1") = "8"
    & skf18("3","7","9","2","4","4","1") = "8"
    & skf18("3","7","9","2","4","5","1") = "8"
    & skf18("3","7","9","2","4","6","1") = "8"
    & skf18("3","7","9","2","4","7","1") = "8"
    & skf18("3","7","9","2","4","8","1") = "8"
    & skf18("3","7","9","2","4","9","1") = "8"
    & skf18("3","7","9","2","4","10","1") = "9"
    & skf18("3","7","9","2","5","1","1") = "8"
    & skf18("3","7","9","2","5","2","1") = "8"
    & skf18("3","7","9","2","5","3","1") = "8"
    & skf18("3","7","9","2","5","4","1") = "8"
    & skf18("3","7","9","2","5","5","1") = "8"
    & skf18("3","7","9","2","5","6","1") = "8"
    & skf18("3","7","9","2","5","7","1") = "8"
    & skf18("3","7","9","2","5","8","1") = "8"
    & skf18("3","7","9","2","5","9","1") = "8"
    & skf18("3","7","9","2","5","10","1") = "9"
    & skf18("3","7","9","2","6","1","1") = "8"
    & skf18("3","7","9","2","6","2","1") = "8"
    & skf18("3","7","9","2","6","3","1") = "8"
    & skf18("3","7","9","2","6","4","1") = "8"
    & skf18("3","7","9","2","6","5","1") = "8"
    & skf18("3","7","9","2","6","6","1") = "8"
    & skf18("3","7","9","2","6","7","1") = "8"
    & skf18("3","7","9","2","6","8","1") = "8"
    & skf18("3","7","9","2","6","9","1") = "8"
    & skf18("3","7","9","2","6","10","1") = "9"
    & skf18("3","7","9","2","7","1","1") = "8"
    & skf18("3","7","9","2","7","2","1") = "8"
    & skf18("3","7","9","2","7","3","1") = "8"
    & skf18("3","7","9","2","7","4","1") = "8"
    & skf18("3","7","9","2","7","5","1") = "8"
    & skf18("3","7","9","2","7","6","1") = "8"
    & skf18("3","7","9","2","7","7","1") = "8"
    & skf18("3","7","9","2","7","8","1") = "8"
    & skf18("3","7","9","2","7","9","1") = "8"
    & skf18("3","7","9","2","7","10","1") = "9"
    & skf18("3","7","9","2","8","1","1") = "8"
    & skf18("3","7","9","2","8","2","1") = "8"
    & skf18("3","7","9","2","8","3","1") = "8"
    & skf18("3","7","9","2","8","4","1") = "8"
    & skf18("3","7","9","2","8","5","1") = "8"
    & skf18("3","7","9","2","8","6","1") = "8"
    & skf18("3","7","9","2","8","7","1") = "8"
    & skf18("3","7","9","2","8","8","1") = "8"
    & skf18("3","7","9","2","8","9","1") = "8"
    & skf18("3","7","9","2","8","10","1") = "9"
    & skf18("3","7","9","2","9","1","1") = "8"
    & skf18("3","7","9","2","9","2","1") = "8"
    & skf18("3","7","9","2","9","3","1") = "8"
    & skf18("3","7","9","2","9","4","1") = "8"
    & skf18("3","7","9","2","9","5","1") = "8"
    & skf18("3","7","9","2","9","6","1") = "8"
    & skf18("3","7","9","2","9","7","1") = "8"
    & skf18("3","7","9","2","9","8","1") = "8"
    & skf18("3","7","9","2","9","9","1") = "8"
    & skf18("3","7","9","2","9","10","1") = "9"
    & skf18("3","7","9","2","10","1","1") = "9"
    & skf18("3","7","9","2","10","2","1") = "9"
    & skf18("3","7","9","2","10","3","1") = "9"
    & skf18("3","7","9","2","10","4","1") = "9"
    & skf18("3","7","9","2","10","5","1") = "9"
    & skf18("3","7","9","2","10","6","1") = "9"
    & skf18("3","7","9","2","10","7","1") = "9"
    & skf18("3","7","9","2","10","8","1") = "9"
    & skf18("3","7","9","2","10","9","1") = "9"
    & skf18("3","7","9","2","10","10","1") = "9"
    & skf18("3","7","9","3","1","1","1") = "8"
    & skf18("3","7","9","3","1","2","1") = "8"
    & skf18("3","7","9","3","1","3","1") = "8"
    & skf18("3","7","9","3","1","4","1") = "8"
    & skf18("3","7","9","3","1","5","1") = "8"
    & skf18("3","7","9","3","1","6","1") = "8"
    & skf18("3","7","9","3","1","7","1") = "8"
    & skf18("3","7","9","3","1","8","1") = "8"
    & skf18("3","7","9","3","1","9","1") = "8"
    & skf18("3","7","9","3","1","10","1") = "9"
    & skf18("3","7","9","3","2","1","1") = "8"
    & skf18("3","7","9","3","2","2","1") = "8"
    & skf18("3","7","9","3","2","3","1") = "8"
    & skf18("3","7","9","3","2","4","1") = "8"
    & skf18("3","7","9","3","2","5","1") = "8"
    & skf18("3","7","9","3","2","6","1") = "8"
    & skf18("3","7","9","3","2","7","1") = "8"
    & skf18("3","7","9","3","2","8","1") = "8"
    & skf18("3","7","9","3","2","9","1") = "8"
    & skf18("3","7","9","3","2","10","1") = "9"
    & skf18("3","7","9","3","3","1","1") = "8"
    & skf18("3","7","9","3","3","2","1") = "8"
    & skf18("3","7","9","3","3","3","1") = "8"
    & skf18("3","7","9","3","3","4","1") = "8"
    & skf18("3","7","9","3","3","5","1") = "8"
    & skf18("3","7","9","3","3","6","1") = "8"
    & skf18("3","7","9","3","3","7","1") = "8"
    & skf18("3","7","9","3","3","8","1") = "8"
    & skf18("3","7","9","3","3","9","1") = "8"
    & skf18("3","7","9","3","3","10","1") = "9"
    & skf18("3","7","9","3","4","1","1") = "8"
    & skf18("3","7","9","3","4","2","1") = "8"
    & skf18("3","7","9","3","4","3","1") = "8"
    & skf18("3","7","9","3","4","4","1") = "8"
    & skf18("3","7","9","3","4","5","1") = "8"
    & skf18("3","7","9","3","4","6","1") = "8"
    & skf18("3","7","9","3","4","7","1") = "8"
    & skf18("3","7","9","3","4","8","1") = "8"
    & skf18("3","7","9","3","4","9","1") = "8"
    & skf18("3","7","9","3","4","10","1") = "9"
    & skf18("3","7","9","3","5","1","1") = "8"
    & skf18("3","7","9","3","5","2","1") = "8"
    & skf18("3","7","9","3","5","3","1") = "8"
    & skf18("3","7","9","3","5","4","1") = "8"
    & skf18("3","7","9","3","5","5","1") = "8"
    & skf18("3","7","9","3","5","6","1") = "8"
    & skf18("3","7","9","3","5","7","1") = "8"
    & skf18("3","7","9","3","5","8","1") = "8"
    & skf18("3","7","9","3","5","9","1") = "8"
    & skf18("3","7","9","3","5","10","1") = "9"
    & skf18("3","7","9","3","6","1","1") = "8"
    & skf18("3","7","9","3","6","2","1") = "8"
    & skf18("3","7","9","3","6","3","1") = "8"
    & skf18("3","7","9","3","6","4","1") = "8"
    & skf18("3","7","9","3","6","5","1") = "8"
    & skf18("3","7","9","3","6","6","1") = "8"
    & skf18("3","7","9","3","6","7","1") = "8"
    & skf18("3","7","9","3","6","8","1") = "8"
    & skf18("3","7","9","3","6","9","1") = "8"
    & skf18("3","7","9","3","6","10","1") = "9"
    & skf18("3","7","9","3","7","1","1") = "8"
    & skf18("3","7","9","3","7","2","1") = "8"
    & skf18("3","7","9","3","7","3","1") = "8"
    & skf18("3","7","9","3","7","4","1") = "8"
    & skf18("3","7","9","3","7","5","1") = "8"
    & skf18("3","7","9","3","7","6","1") = "8"
    & skf18("3","7","9","3","7","7","1") = "8"
    & skf18("3","7","9","3","7","8","1") = "8"
    & skf18("3","7","9","3","7","9","1") = "8"
    & skf18("3","7","9","3","7","10","1") = "9"
    & skf18("3","7","9","3","8","1","1") = "8"
    & skf18("3","7","9","3","8","2","1") = "8"
    & skf18("3","7","9","3","8","3","1") = "8"
    & skf18("3","7","9","3","8","4","1") = "8"
    & skf18("3","7","9","3","8","5","1") = "8"
    & skf18("3","7","9","3","8","6","1") = "8"
    & skf18("3","7","9","3","8","7","1") = "8"
    & skf18("3","7","9","3","8","8","1") = "8"
    & skf18("3","7","9","3","8","9","1") = "8"
    & skf18("3","7","9","3","8","10","1") = "9"
    & skf18("3","7","9","3","9","1","1") = "8"
    & skf18("3","7","9","3","9","2","1") = "8"
    & skf18("3","7","9","3","9","3","1") = "8"
    & skf18("3","7","9","3","9","4","1") = "8"
    & skf18("3","7","9","3","9","5","1") = "8"
    & skf18("3","7","9","3","9","6","1") = "8"
    & skf18("3","7","9","3","9","7","1") = "8"
    & skf18("3","7","9","3","9","8","1") = "8"
    & skf18("3","7","9","3","9","9","1") = "8"
    & skf18("3","7","9","3","9","10","1") = "9"
    & skf18("3","7","9","3","10","1","1") = "9"
    & skf18("3","7","9","3","10","2","1") = "9"
    & skf18("3","7","9","3","10","3","1") = "9"
    & skf18("3","7","9","3","10","4","1") = "9"
    & skf18("3","7","9","3","10","5","1") = "9"
    & skf18("3","7","9","3","10","6","1") = "9"
    & skf18("3","7","9","3","10","7","1") = "9"
    & skf18("3","7","9","3","10","8","1") = "9"
    & skf18("3","7","9","3","10","9","1") = "9"
    & skf18("3","7","9","3","10","10","1") = "9"
    & skf18("3","7","9","4","1","1","1") = "8"
    & skf18("3","7","9","4","1","2","1") = "8"
    & skf18("3","7","9","4","1","3","1") = "8"
    & skf18("3","7","9","4","1","4","1") = "8"
    & skf18("3","7","9","4","1","5","1") = "8"
    & skf18("3","7","9","4","1","6","1") = "8"
    & skf18("3","7","9","4","1","7","1") = "8"
    & skf18("3","7","9","4","1","8","1") = "8"
    & skf18("3","7","9","4","1","9","1") = "8"
    & skf18("3","7","9","4","1","10","1") = "9"
    & skf18("3","7","9","4","2","1","1") = "8"
    & skf18("3","7","9","4","2","2","1") = "8"
    & skf18("3","7","9","4","2","3","1") = "8"
    & skf18("3","7","9","4","2","4","1") = "8"
    & skf18("3","7","9","4","2","5","1") = "8"
    & skf18("3","7","9","4","2","6","1") = "8"
    & skf18("3","7","9","4","2","7","1") = "8"
    & skf18("3","7","9","4","2","8","1") = "8"
    & skf18("3","7","9","4","2","9","1") = "8"
    & skf18("3","7","9","4","2","10","1") = "9"
    & skf18("3","7","9","4","3","1","1") = "8"
    & skf18("3","7","9","4","3","2","1") = "8"
    & skf18("3","7","9","4","3","3","1") = "8"
    & skf18("3","7","9","4","3","4","1") = "8"
    & skf18("3","7","9","4","3","5","1") = "8"
    & skf18("3","7","9","4","3","6","1") = "8"
    & skf18("3","7","9","4","3","7","1") = "8"
    & skf18("3","7","9","4","3","8","1") = "8"
    & skf18("3","7","9","4","3","9","1") = "8"
    & skf18("3","7","9","4","3","10","1") = "9"
    & skf18("3","7","9","4","4","1","1") = "8"
    & skf18("3","7","9","4","4","2","1") = "8"
    & skf18("3","7","9","4","4","3","1") = "8"
    & skf18("3","7","9","4","4","4","1") = "8"
    & skf18("3","7","9","4","4","5","1") = "8"
    & skf18("3","7","9","4","4","6","1") = "8"
    & skf18("3","7","9","4","4","7","1") = "8"
    & skf18("3","7","9","4","4","8","1") = "8"
    & skf18("3","7","9","4","4","9","1") = "8"
    & skf18("3","7","9","4","4","10","1") = "9"
    & skf18("3","7","9","4","5","1","1") = "8"
    & skf18("3","7","9","4","5","2","1") = "8"
    & skf18("3","7","9","4","5","3","1") = "8"
    & skf18("3","7","9","4","5","4","1") = "8"
    & skf18("3","7","9","4","5","5","1") = "8"
    & skf18("3","7","9","4","5","6","1") = "8"
    & skf18("3","7","9","4","5","7","1") = "8"
    & skf18("3","7","9","4","5","8","1") = "8"
    & skf18("3","7","9","4","5","9","1") = "8"
    & skf18("3","7","9","4","5","10","1") = "9"
    & skf18("3","7","9","4","6","1","1") = "8"
    & skf18("3","7","9","4","6","2","1") = "8"
    & skf18("3","7","9","4","6","3","1") = "8"
    & skf18("3","7","9","4","6","4","1") = "8"
    & skf18("3","7","9","4","6","5","1") = "8"
    & skf18("3","7","9","4","6","6","1") = "8"
    & skf18("3","7","9","4","6","7","1") = "8"
    & skf18("3","7","9","4","6","8","1") = "8"
    & skf18("3","7","9","4","6","9","1") = "8"
    & skf18("3","7","9","4","6","10","1") = "9"
    & skf18("3","7","9","4","7","1","1") = "8"
    & skf18("3","7","9","4","7","2","1") = "8"
    & skf18("3","7","9","4","7","3","1") = "8"
    & skf18("3","7","9","4","7","4","1") = "8"
    & skf18("3","7","9","4","7","5","1") = "8"
    & skf18("3","7","9","4","7","6","1") = "8"
    & skf18("3","7","9","4","7","7","1") = "8"
    & skf18("3","7","9","4","7","8","1") = "8"
    & skf18("3","7","9","4","7","9","1") = "8"
    & skf18("3","7","9","4","7","10","1") = "9"
    & skf18("3","7","9","4","8","1","1") = "8"
    & skf18("3","7","9","4","8","2","1") = "8"
    & skf18("3","7","9","4","8","3","1") = "8"
    & skf18("3","7","9","4","8","4","1") = "8"
    & skf18("3","7","9","4","8","5","1") = "8"
    & skf18("3","7","9","4","8","6","1") = "8"
    & skf18("3","7","9","4","8","7","1") = "8"
    & skf18("3","7","9","4","8","8","1") = "8"
    & skf18("3","7","9","4","8","9","1") = "8"
    & skf18("3","7","9","4","8","10","1") = "9"
    & skf18("3","7","9","4","9","1","1") = "8"
    & skf18("3","7","9","4","9","2","1") = "8"
    & skf18("3","7","9","4","9","3","1") = "8"
    & skf18("3","7","9","4","9","4","1") = "8"
    & skf18("3","7","9","4","9","5","1") = "8"
    & skf18("3","7","9","4","9","6","1") = "8"
    & skf18("3","7","9","4","9","7","1") = "8"
    & skf18("3","7","9","4","9","8","1") = "8"
    & skf18("3","7","9","4","9","9","1") = "8"
    & skf18("3","7","9","4","9","10","1") = "9"
    & skf18("3","7","9","4","10","1","1") = "9"
    & skf18("3","7","9","4","10","2","1") = "9"
    & skf18("3","7","9","4","10","3","1") = "9"
    & skf18("3","7","9","4","10","4","1") = "9"
    & skf18("3","7","9","4","10","5","1") = "9"
    & skf18("3","7","9","4","10","6","1") = "9"
    & skf18("3","7","9","4","10","7","1") = "9"
    & skf18("3","7","9","4","10","8","1") = "9"
    & skf18("3","7","9","4","10","9","1") = "9"
    & skf18("3","7","9","4","10","10","1") = "9"
    & skf18("3","7","9","5","1","1","1") = "8"
    & skf18("3","7","9","5","1","2","1") = "8"
    & skf18("3","7","9","5","1","3","1") = "8"
    & skf18("3","7","9","5","1","4","1") = "8"
    & skf18("3","7","9","5","1","5","1") = "8"
    & skf18("3","7","9","5","1","6","1") = "8"
    & skf18("3","7","9","5","1","7","1") = "8"
    & skf18("3","7","9","5","1","8","1") = "8"
    & skf18("3","7","9","5","1","9","1") = "8"
    & skf18("3","7","9","5","1","10","1") = "9"
    & skf18("3","7","9","5","2","1","1") = "8"
    & skf18("3","7","9","5","2","2","1") = "8"
    & skf18("3","7","9","5","2","3","1") = "8"
    & skf18("3","7","9","5","2","4","1") = "8"
    & skf18("3","7","9","5","2","5","1") = "8"
    & skf18("3","7","9","5","2","6","1") = "8"
    & skf18("3","7","9","5","2","7","1") = "8"
    & skf18("3","7","9","5","2","8","1") = "8"
    & skf18("3","7","9","5","2","9","1") = "8"
    & skf18("3","7","9","5","2","10","1") = "9"
    & skf18("3","7","9","5","3","1","1") = "8"
    & skf18("3","7","9","5","3","2","1") = "8"
    & skf18("3","7","9","5","3","3","1") = "8"
    & skf18("3","7","9","5","3","4","1") = "8"
    & skf18("3","7","9","5","3","5","1") = "8"
    & skf18("3","7","9","5","3","6","1") = "8"
    & skf18("3","7","9","5","3","7","1") = "8"
    & skf18("3","7","9","5","3","8","1") = "8"
    & skf18("3","7","9","5","3","9","1") = "8"
    & skf18("3","7","9","5","3","10","1") = "9"
    & skf18("3","7","9","5","4","1","1") = "8"
    & skf18("3","7","9","5","4","2","1") = "8"
    & skf18("3","7","9","5","4","3","1") = "8"
    & skf18("3","7","9","5","4","4","1") = "8"
    & skf18("3","7","9","5","4","5","1") = "8"
    & skf18("3","7","9","5","4","6","1") = "8"
    & skf18("3","7","9","5","4","7","1") = "8"
    & skf18("3","7","9","5","4","8","1") = "8"
    & skf18("3","7","9","5","4","9","1") = "8"
    & skf18("3","7","9","5","4","10","1") = "9"
    & skf18("3","7","9","5","5","1","1") = "8"
    & skf18("3","7","9","5","5","2","1") = "8"
    & skf18("3","7","9","5","5","3","1") = "8"
    & skf18("3","7","9","5","5","4","1") = "8"
    & skf18("3","7","9","5","5","5","1") = "8"
    & skf18("3","7","9","5","5","6","1") = "8"
    & skf18("3","7","9","5","5","7","1") = "8"
    & skf18("3","7","9","5","5","8","1") = "8"
    & skf18("3","7","9","5","5","9","1") = "8"
    & skf18("3","7","9","5","5","10","1") = "9"
    & skf18("3","7","9","5","6","1","1") = "8"
    & skf18("3","7","9","5","6","2","1") = "8"
    & skf18("3","7","9","5","6","3","1") = "8"
    & skf18("3","7","9","5","6","4","1") = "8"
    & skf18("3","7","9","5","6","5","1") = "8"
    & skf18("3","7","9","5","6","6","1") = "8"
    & skf18("3","7","9","5","6","7","1") = "8"
    & skf18("3","7","9","5","6","8","1") = "8"
    & skf18("3","7","9","5","6","9","1") = "8"
    & skf18("3","7","9","5","6","10","1") = "9"
    & skf18("3","7","9","5","7","1","1") = "8"
    & skf18("3","7","9","5","7","2","1") = "8"
    & skf18("3","7","9","5","7","3","1") = "8"
    & skf18("3","7","9","5","7","4","1") = "8"
    & skf18("3","7","9","5","7","5","1") = "8"
    & skf18("3","7","9","5","7","6","1") = "8"
    & skf18("3","7","9","5","7","7","1") = "8"
    & skf18("3","7","9","5","7","8","1") = "8"
    & skf18("3","7","9","5","7","9","1") = "8"
    & skf18("3","7","9","5","7","10","1") = "9"
    & skf18("3","7","9","5","8","1","1") = "8"
    & skf18("3","7","9","5","8","2","1") = "8"
    & skf18("3","7","9","5","8","3","1") = "8"
    & skf18("3","7","9","5","8","4","1") = "8"
    & skf18("3","7","9","5","8","5","1") = "8"
    & skf18("3","7","9","5","8","6","1") = "8"
    & skf18("3","7","9","5","8","7","1") = "8"
    & skf18("3","7","9","5","8","8","1") = "8"
    & skf18("3","7","9","5","8","9","1") = "8"
    & skf18("3","7","9","5","8","10","1") = "9"
    & skf18("3","7","9","5","9","1","1") = "8"
    & skf18("3","7","9","5","9","2","1") = "8"
    & skf18("3","7","9","5","9","3","1") = "8"
    & skf18("3","7","9","5","9","4","1") = "8"
    & skf18("3","7","9","5","9","5","1") = "8"
    & skf18("3","7","9","5","9","6","1") = "8"
    & skf18("3","7","9","5","9","7","1") = "8"
    & skf18("3","7","9","5","9","8","1") = "8"
    & skf18("3","7","9","5","9","9","1") = "8"
    & skf18("3","7","9","5","9","10","1") = "9"
    & skf18("3","7","9","5","10","1","1") = "9"
    & skf18("3","7","9","5","10","2","1") = "9"
    & skf18("3","7","9","5","10","3","1") = "9"
    & skf18("3","7","9","5","10","4","1") = "9"
    & skf18("3","7","9","5","10","5","1") = "9"
    & skf18("3","7","9","5","10","6","1") = "9"
    & skf18("3","7","9","5","10","7","1") = "9"
    & skf18("3","7","9","5","10","8","1") = "9"
    & skf18("3","7","9","5","10","9","1") = "9"
    & skf18("3","7","9","5","10","10","1") = "9"
    & skf18("3","7","9","6","1","1","1") = "8"
    & skf18("3","7","9","6","1","2","1") = "8"
    & skf18("3","7","9","6","1","3","1") = "8"
    & skf18("3","7","9","6","1","4","1") = "8"
    & skf18("3","7","9","6","1","5","1") = "8"
    & skf18("3","7","9","6","1","6","1") = "8"
    & skf18("3","7","9","6","1","7","1") = "8"
    & skf18("3","7","9","6","1","8","1") = "8"
    & skf18("3","7","9","6","1","9","1") = "8"
    & skf18("3","7","9","6","1","10","1") = "9"
    & skf18("3","7","9","6","2","1","1") = "8"
    & skf18("3","7","9","6","2","2","1") = "8"
    & skf18("3","7","9","6","2","3","1") = "8"
    & skf18("3","7","9","6","2","4","1") = "8"
    & skf18("3","7","9","6","2","5","1") = "8"
    & skf18("3","7","9","6","2","6","1") = "8"
    & skf18("3","7","9","6","2","7","1") = "8"
    & skf18("3","7","9","6","2","8","1") = "8"
    & skf18("3","7","9","6","2","9","1") = "8"
    & skf18("3","7","9","6","2","10","1") = "9"
    & skf18("3","7","9","6","3","1","1") = "8"
    & skf18("3","7","9","6","3","2","1") = "8"
    & skf18("3","7","9","6","3","3","1") = "8"
    & skf18("3","7","9","6","3","4","1") = "8"
    & skf18("3","7","9","6","3","5","1") = "8"
    & skf18("3","7","9","6","3","6","1") = "8"
    & skf18("3","7","9","6","3","7","1") = "8"
    & skf18("3","7","9","6","3","8","1") = "8"
    & skf18("3","7","9","6","3","9","1") = "8"
    & skf18("3","7","9","6","3","10","1") = "9"
    & skf18("3","7","9","6","4","1","1") = "8"
    & skf18("3","7","9","6","4","2","1") = "8"
    & skf18("3","7","9","6","4","3","1") = "8"
    & skf18("3","7","9","6","4","4","1") = "8"
    & skf18("3","7","9","6","4","5","1") = "8"
    & skf18("3","7","9","6","4","6","1") = "8"
    & skf18("3","7","9","6","4","7","1") = "8"
    & skf18("3","7","9","6","4","8","1") = "8"
    & skf18("3","7","9","6","4","9","1") = "8"
    & skf18("3","7","9","6","4","10","1") = "9"
    & skf18("3","7","9","6","5","1","1") = "8"
    & skf18("3","7","9","6","5","2","1") = "8"
    & skf18("3","7","9","6","5","3","1") = "8"
    & skf18("3","7","9","6","5","4","1") = "8"
    & skf18("3","7","9","6","5","5","1") = "8"
    & skf18("3","7","9","6","5","6","1") = "8"
    & skf18("3","7","9","6","5","7","1") = "8"
    & skf18("3","7","9","6","5","8","1") = "8"
    & skf18("3","7","9","6","5","9","1") = "8"
    & skf18("3","7","9","6","5","10","1") = "9"
    & skf18("3","7","9","6","6","1","1") = "8"
    & skf18("3","7","9","6","6","2","1") = "8"
    & skf18("3","7","9","6","6","3","1") = "8"
    & skf18("3","7","9","6","6","4","1") = "8"
    & skf18("3","7","9","6","6","5","1") = "8"
    & skf18("3","7","9","6","6","6","1") = "8"
    & skf18("3","7","9","6","6","7","1") = "8"
    & skf18("3","7","9","6","6","8","1") = "8"
    & skf18("3","7","9","6","6","9","1") = "8"
    & skf18("3","7","9","6","6","10","1") = "9"
    & skf18("3","7","9","6","7","1","1") = "8"
    & skf18("3","7","9","6","7","2","1") = "8"
    & skf18("3","7","9","6","7","3","1") = "8"
    & skf18("3","7","9","6","7","4","1") = "8"
    & skf18("3","7","9","6","7","5","1") = "8"
    & skf18("3","7","9","6","7","6","1") = "8"
    & skf18("3","7","9","6","7","7","1") = "8"
    & skf18("3","7","9","6","7","8","1") = "8"
    & skf18("3","7","9","6","7","9","1") = "8"
    & skf18("3","7","9","6","7","10","1") = "9"
    & skf18("3","7","9","6","8","1","1") = "8"
    & skf18("3","7","9","6","8","2","1") = "8"
    & skf18("3","7","9","6","8","3","1") = "8"
    & skf18("3","7","9","6","8","4","1") = "8"
    & skf18("3","7","9","6","8","5","1") = "8"
    & skf18("3","7","9","6","8","6","1") = "8"
    & skf18("3","7","9","6","8","7","1") = "8"
    & skf18("3","7","9","6","8","8","1") = "8"
    & skf18("3","7","9","6","8","9","1") = "8"
    & skf18("3","7","9","6","8","10","1") = "9"
    & skf18("3","7","9","6","9","1","1") = "8"
    & skf18("3","7","9","6","9","2","1") = "8"
    & skf18("3","7","9","6","9","3","1") = "8"
    & skf18("3","7","9","6","9","4","1") = "8"
    & skf18("3","7","9","6","9","5","1") = "8"
    & skf18("3","7","9","6","9","6","1") = "8"
    & skf18("3","7","9","6","9","7","1") = "8"
    & skf18("3","7","9","6","9","8","1") = "8"
    & skf18("3","7","9","6","9","9","1") = "8"
    & skf18("3","7","9","6","9","10","1") = "9"
    & skf18("3","7","9","6","10","1","1") = "9"
    & skf18("3","7","9","6","10","2","1") = "9"
    & skf18("3","7","9","6","10","3","1") = "9"
    & skf18("3","7","9","6","10","4","1") = "9"
    & skf18("3","7","9","6","10","5","1") = "9"
    & skf18("3","7","9","6","10","6","1") = "9"
    & skf18("3","7","9","6","10","7","1") = "9"
    & skf18("3","7","9","6","10","8","1") = "9"
    & skf18("3","7","9","6","10","9","1") = "9"
    & skf18("3","7","9","6","10","10","1") = "9"
    & skf18("3","7","9","7","1","1","1") = "8"
    & skf18("3","7","9","7","1","2","1") = "8"
    & skf18("3","7","9","7","1","3","1") = "8"
    & skf18("3","7","9","7","1","4","1") = "8"
    & skf18("3","7","9","7","1","5","1") = "8"
    & skf18("3","7","9","7","1","6","1") = "8"
    & skf18("3","7","9","7","1","7","1") = "8"
    & skf18("3","7","9","7","1","8","1") = "8"
    & skf18("3","7","9","7","1","9","1") = "8"
    & skf18("3","7","9","7","1","10","1") = "9"
    & skf18("3","7","9","7","2","1","1") = "8"
    & skf18("3","7","9","7","2","2","1") = "8"
    & skf18("3","7","9","7","2","3","1") = "8"
    & skf18("3","7","9","7","2","4","1") = "8"
    & skf18("3","7","9","7","2","5","1") = "8"
    & skf18("3","7","9","7","2","6","1") = "8"
    & skf18("3","7","9","7","2","7","1") = "8"
    & skf18("3","7","9","7","2","8","1") = "8"
    & skf18("3","7","9","7","2","9","1") = "8"
    & skf18("3","7","9","7","2","10","1") = "9"
    & skf18("3","7","9","7","3","1","1") = "8"
    & skf18("3","7","9","7","3","2","1") = "8"
    & skf18("3","7","9","7","3","3","1") = "8"
    & skf18("3","7","9","7","3","4","1") = "8"
    & skf18("3","7","9","7","3","5","1") = "8"
    & skf18("3","7","9","7","3","6","1") = "8"
    & skf18("3","7","9","7","3","7","1") = "8"
    & skf18("3","7","9","7","3","8","1") = "8"
    & skf18("3","7","9","7","3","9","1") = "8"
    & skf18("3","7","9","7","3","10","1") = "9"
    & skf18("3","7","9","7","4","1","1") = "8"
    & skf18("3","7","9","7","4","2","1") = "8"
    & skf18("3","7","9","7","4","3","1") = "8"
    & skf18("3","7","9","7","4","4","1") = "8"
    & skf18("3","7","9","7","4","5","1") = "8"
    & skf18("3","7","9","7","4","6","1") = "8"
    & skf18("3","7","9","7","4","7","1") = "8"
    & skf18("3","7","9","7","4","8","1") = "8"
    & skf18("3","7","9","7","4","9","1") = "8"
    & skf18("3","7","9","7","4","10","1") = "9"
    & skf18("3","7","9","7","5","1","1") = "8"
    & skf18("3","7","9","7","5","2","1") = "8"
    & skf18("3","7","9","7","5","3","1") = "8"
    & skf18("3","7","9","7","5","4","1") = "8"
    & skf18("3","7","9","7","5","5","1") = "8"
    & skf18("3","7","9","7","5","6","1") = "8"
    & skf18("3","7","9","7","5","7","1") = "8"
    & skf18("3","7","9","7","5","8","1") = "8"
    & skf18("3","7","9","7","5","9","1") = "8"
    & skf18("3","7","9","7","5","10","1") = "9"
    & skf18("3","7","9","7","6","1","1") = "8"
    & skf18("3","7","9","7","6","2","1") = "8"
    & skf18("3","7","9","7","6","3","1") = "8"
    & skf18("3","7","9","7","6","4","1") = "8"
    & skf18("3","7","9","7","6","5","1") = "8"
    & skf18("3","7","9","7","6","6","1") = "8"
    & skf18("3","7","9","7","6","7","1") = "8"
    & skf18("3","7","9","7","6","8","1") = "8"
    & skf18("3","7","9","7","6","9","1") = "8"
    & skf18("3","7","9","7","6","10","1") = "9"
    & skf18("3","7","9","7","7","1","1") = "8"
    & skf18("3","7","9","7","7","2","1") = "8"
    & skf18("3","7","9","7","7","3","1") = "8"
    & skf18("3","7","9","7","7","4","1") = "8"
    & skf18("3","7","9","7","7","5","1") = "8"
    & skf18("3","7","9","7","7","6","1") = "8"
    & skf18("3","7","9","7","7","7","1") = "8"
    & skf18("3","7","9","7","7","8","1") = "8"
    & skf18("3","7","9","7","7","9","1") = "8"
    & skf18("3","7","9","7","7","10","1") = "9"
    & skf18("3","7","9","7","8","1","1") = "8"
    & skf18("3","7","9","7","8","2","1") = "8"
    & skf18("3","7","9","7","8","3","1") = "8"
    & skf18("3","7","9","7","8","4","1") = "8"
    & skf18("3","7","9","7","8","5","1") = "8"
    & skf18("3","7","9","7","8","6","1") = "8"
    & skf18("3","7","9","7","8","7","1") = "8"
    & skf18("3","7","9","7","8","8","1") = "8"
    & skf18("3","7","9","7","8","9","1") = "8"
    & skf18("3","7","9","7","8","10","1") = "9"
    & skf18("3","7","9","7","9","1","1") = "8"
    & skf18("3","7","9","7","9","2","1") = "8"
    & skf18("3","7","9","7","9","3","1") = "8"
    & skf18("3","7","9","7","9","4","1") = "8"
    & skf18("3","7","9","7","9","5","1") = "8"
    & skf18("3","7","9","7","9","6","1") = "8"
    & skf18("3","7","9","7","9","7","1") = "8"
    & skf18("3","7","9","7","9","8","1") = "8"
    & skf18("3","7","9","7","9","9","1") = "8"
    & skf18("3","7","9","7","9","10","1") = "9"
    & skf18("3","7","9","7","10","1","1") = "9"
    & skf18("3","7","9","7","10","2","1") = "9"
    & skf18("3","7","9","7","10","3","1") = "9"
    & skf18("3","7","9","7","10","4","1") = "9"
    & skf18("3","7","9","7","10","5","1") = "9"
    & skf18("3","7","9","7","10","6","1") = "9"
    & skf18("3","7","9","7","10","7","1") = "9"
    & skf18("3","7","9","7","10","8","1") = "9"
    & skf18("3","7","9","7","10","9","1") = "9"
    & skf18("3","7","9","7","10","10","1") = "9"
    & skf18("3","7","9","8","1","1","1") = "8"
    & skf18("3","7","9","8","1","2","1") = "8"
    & skf18("3","7","9","8","1","3","1") = "8"
    & skf18("3","7","9","8","1","4","1") = "8"
    & skf18("3","7","9","8","1","5","1") = "8"
    & skf18("3","7","9","8","1","6","1") = "8"
    & skf18("3","7","9","8","1","7","1") = "8"
    & skf18("3","7","9","8","1","8","1") = "8"
    & skf18("3","7","9","8","1","9","1") = "8"
    & skf18("3","7","9","8","1","10","1") = "9"
    & skf18("3","7","9","8","2","1","1") = "8"
    & skf18("3","7","9","8","2","2","1") = "8"
    & skf18("3","7","9","8","2","3","1") = "8"
    & skf18("3","7","9","8","2","4","1") = "8"
    & skf18("3","7","9","8","2","5","1") = "8"
    & skf18("3","7","9","8","2","6","1") = "8"
    & skf18("3","7","9","8","2","7","1") = "8"
    & skf18("3","7","9","8","2","8","1") = "8"
    & skf18("3","7","9","8","2","9","1") = "8"
    & skf18("3","7","9","8","2","10","1") = "9"
    & skf18("3","7","9","8","3","1","1") = "8"
    & skf18("3","7","9","8","3","2","1") = "8"
    & skf18("3","7","9","8","3","3","1") = "8"
    & skf18("3","7","9","8","3","4","1") = "8"
    & skf18("3","7","9","8","3","5","1") = "8"
    & skf18("3","7","9","8","3","6","1") = "8"
    & skf18("3","7","9","8","3","7","1") = "8"
    & skf18("3","7","9","8","3","8","1") = "8"
    & skf18("3","7","9","8","3","9","1") = "8"
    & skf18("3","7","9","8","3","10","1") = "9"
    & skf18("3","7","9","8","4","1","1") = "8"
    & skf18("3","7","9","8","4","2","1") = "8"
    & skf18("3","7","9","8","4","3","1") = "8"
    & skf18("3","7","9","8","4","4","1") = "8"
    & skf18("3","7","9","8","4","5","1") = "8"
    & skf18("3","7","9","8","4","6","1") = "8"
    & skf18("3","7","9","8","4","7","1") = "8"
    & skf18("3","7","9","8","4","8","1") = "8"
    & skf18("3","7","9","8","4","9","1") = "8"
    & skf18("3","7","9","8","4","10","1") = "9"
    & skf18("3","7","9","8","5","1","1") = "8"
    & skf18("3","7","9","8","5","2","1") = "8"
    & skf18("3","7","9","8","5","3","1") = "8"
    & skf18("3","7","9","8","5","4","1") = "8"
    & skf18("3","7","9","8","5","5","1") = "8"
    & skf18("3","7","9","8","5","6","1") = "8"
    & skf18("3","7","9","8","5","7","1") = "8"
    & skf18("3","7","9","8","5","8","1") = "8"
    & skf18("3","7","9","8","5","9","1") = "8"
    & skf18("3","7","9","8","5","10","1") = "9"
    & skf18("3","7","9","8","6","1","1") = "8"
    & skf18("3","7","9","8","6","2","1") = "8"
    & skf18("3","7","9","8","6","3","1") = "8"
    & skf18("3","7","9","8","6","4","1") = "8"
    & skf18("3","7","9","8","6","5","1") = "8"
    & skf18("3","7","9","8","6","6","1") = "8"
    & skf18("3","7","9","8","6","7","1") = "8"
    & skf18("3","7","9","8","6","8","1") = "8"
    & skf18("3","7","9","8","6","9","1") = "8"
    & skf18("3","7","9","8","6","10","1") = "9"
    & skf18("3","7","9","8","7","1","1") = "8"
    & skf18("3","7","9","8","7","2","1") = "8"
    & skf18("3","7","9","8","7","3","1") = "8"
    & skf18("3","7","9","8","7","4","1") = "8"
    & skf18("3","7","9","8","7","5","1") = "8"
    & skf18("3","7","9","8","7","6","1") = "8"
    & skf18("3","7","9","8","7","7","1") = "8"
    & skf18("3","7","9","8","7","8","1") = "8"
    & skf18("3","7","9","8","7","9","1") = "8"
    & skf18("3","7","9","8","7","10","1") = "9"
    & skf18("3","7","9","8","8","1","1") = "8"
    & skf18("3","7","9","8","8","2","1") = "8"
    & skf18("3","7","9","8","8","3","1") = "8"
    & skf18("3","7","9","8","8","4","1") = "8"
    & skf18("3","7","9","8","8","5","1") = "8"
    & skf18("3","7","9","8","8","6","1") = "8"
    & skf18("3","7","9","8","8","7","1") = "8"
    & skf18("3","7","9","8","8","8","1") = "8"
    & skf18("3","7","9","8","8","9","1") = "8"
    & skf18("3","7","9","8","8","10","1") = "9"
    & skf18("3","7","9","8","9","1","1") = "8"
    & skf18("3","7","9","8","9","2","1") = "8"
    & skf18("3","7","9","8","9","3","1") = "8"
    & skf18("3","7","9","8","9","4","1") = "8"
    & skf18("3","7","9","8","9","5","1") = "8"
    & skf18("3","7","9","8","9","6","1") = "8"
    & skf18("3","7","9","8","9","7","1") = "8"
    & skf18("3","7","9","8","9","8","1") = "8"
    & skf18("3","7","9","8","9","9","1") = "8"
    & skf18("3","7","9","8","9","10","1") = "9"
    & skf18("3","7","9","8","10","1","1") = "9"
    & skf18("3","7","9","8","10","2","1") = "9"
    & skf18("3","7","9","8","10","3","1") = "9"
    & skf18("3","7","9","8","10","4","1") = "9"
    & skf18("3","7","9","8","10","5","1") = "9"
    & skf18("3","7","9","8","10","6","1") = "9"
    & skf18("3","7","9","8","10","7","1") = "9"
    & skf18("3","7","9","8","10","8","1") = "9"
    & skf18("3","7","9","8","10","9","1") = "9"
    & skf18("3","7","9","8","10","10","1") = "9"
    & skf18("3","7","9","9","1","1","1") = "8"
    & skf18("3","7","9","9","1","2","1") = "8"
    & skf18("3","7","9","9","1","3","1") = "8"
    & skf18("3","7","9","9","1","4","1") = "8"
    & skf18("3","7","9","9","1","5","1") = "8"
    & skf18("3","7","9","9","1","6","1") = "8"
    & skf18("3","7","9","9","1","7","1") = "8"
    & skf18("3","7","9","9","1","8","1") = "8"
    & skf18("3","7","9","9","1","9","1") = "8"
    & skf18("3","7","9","9","1","10","1") = "9"
    & skf18("3","7","9","9","2","1","1") = "8"
    & skf18("3","7","9","9","2","2","1") = "8"
    & skf18("3","7","9","9","2","3","1") = "8"
    & skf18("3","7","9","9","2","4","1") = "8"
    & skf18("3","7","9","9","2","5","1") = "8"
    & skf18("3","7","9","9","2","6","1") = "8"
    & skf18("3","7","9","9","2","7","1") = "8"
    & skf18("3","7","9","9","2","8","1") = "8"
    & skf18("3","7","9","9","2","9","1") = "8"
    & skf18("3","7","9","9","2","10","1") = "9"
    & skf18("3","7","9","9","3","1","1") = "8"
    & skf18("3","7","9","9","3","2","1") = "8"
    & skf18("3","7","9","9","3","3","1") = "8"
    & skf18("3","7","9","9","3","4","1") = "8"
    & skf18("3","7","9","9","3","5","1") = "8"
    & skf18("3","7","9","9","3","6","1") = "8"
    & skf18("3","7","9","9","3","7","1") = "8"
    & skf18("3","7","9","9","3","8","1") = "8"
    & skf18("3","7","9","9","3","9","1") = "8"
    & skf18("3","7","9","9","3","10","1") = "9"
    & skf18("3","7","9","9","4","1","1") = "8"
    & skf18("3","7","9","9","4","2","1") = "8"
    & skf18("3","7","9","9","4","3","1") = "8"
    & skf18("3","7","9","9","4","4","1") = "8"
    & skf18("3","7","9","9","4","5","1") = "8"
    & skf18("3","7","9","9","4","6","1") = "8"
    & skf18("3","7","9","9","4","7","1") = "8"
    & skf18("3","7","9","9","4","8","1") = "8"
    & skf18("3","7","9","9","4","9","1") = "8"
    & skf18("3","7","9","9","4","10","1") = "9"
    & skf18("3","7","9","9","5","1","1") = "8"
    & skf18("3","7","9","9","5","2","1") = "8"
    & skf18("3","7","9","9","5","3","1") = "8"
    & skf18("3","7","9","9","5","4","1") = "8"
    & skf18("3","7","9","9","5","5","1") = "8"
    & skf18("3","7","9","9","5","6","1") = "8"
    & skf18("3","7","9","9","5","7","1") = "8"
    & skf18("3","7","9","9","5","8","1") = "8"
    & skf18("3","7","9","9","5","9","1") = "8"
    & skf18("3","7","9","9","5","10","1") = "9"
    & skf18("3","7","9","9","6","1","1") = "8"
    & skf18("3","7","9","9","6","2","1") = "8"
    & skf18("3","7","9","9","6","3","1") = "8"
    & skf18("3","7","9","9","6","4","1") = "8"
    & skf18("3","7","9","9","6","5","1") = "8"
    & skf18("3","7","9","9","6","6","1") = "8"
    & skf18("3","7","9","9","6","7","1") = "8"
    & skf18("3","7","9","9","6","8","1") = "8"
    & skf18("3","7","9","9","6","9","1") = "8"
    & skf18("3","7","9","9","6","10","1") = "9"
    & skf18("3","7","9","9","7","1","1") = "8"
    & skf18("3","7","9","9","7","2","1") = "8"
    & skf18("3","7","9","9","7","3","1") = "8"
    & skf18("3","7","9","9","7","4","1") = "8"
    & skf18("3","7","9","9","7","5","1") = "8"
    & skf18("3","7","9","9","7","6","1") = "8"
    & skf18("3","7","9","9","7","7","1") = "8"
    & skf18("3","7","9","9","7","8","1") = "8"
    & skf18("3","7","9","9","7","9","1") = "8"
    & skf18("3","7","9","9","7","10","1") = "9"
    & skf18("3","7","9","9","8","1","1") = "8"
    & skf18("3","7","9","9","8","2","1") = "8"
    & skf18("3","7","9","9","8","3","1") = "8"
    & skf18("3","7","9","9","8","4","1") = "8"
    & skf18("3","7","9","9","8","5","1") = "8"
    & skf18("3","7","9","9","8","6","1") = "8"
    & skf18("3","7","9","9","8","7","1") = "8"
    & skf18("3","7","9","9","8","8","1") = "8"
    & skf18("3","7","9","9","8","9","1") = "8"
    & skf18("3","7","9","9","8","10","1") = "9"
    & skf18("3","7","9","9","9","1","1") = "8"
    & skf18("3","7","9","9","9","2","1") = "8"
    & skf18("3","7","9","9","9","3","1") = "8"
    & skf18("3","7","9","9","9","4","1") = "8"
    & skf18("3","7","9","9","9","5","1") = "8"
    & skf18("3","7","9","9","9","6","1") = "8"
    & skf18("3","7","9","9","9","7","1") = "8"
    & skf18("3","7","9","9","9","8","1") = "8"
    & skf18("3","7","9","9","9","9","1") = "8"
    & skf18("3","7","9","9","9","10","1") = "9"
    & skf18("3","7","9","9","10","1","1") = "9"
    & skf18("3","7","9","9","10","2","1") = "9"
    & skf18("3","7","9","9","10","3","1") = "9"
    & skf18("3","7","9","9","10","4","1") = "9"
    & skf18("3","7","9","9","10","5","1") = "9"
    & skf18("3","7","9","9","10","6","1") = "9"
    & skf18("3","7","9","9","10","7","1") = "9"
    & skf18("3","7","9","9","10","8","1") = "9"
    & skf18("3","7","9","9","10","9","1") = "9"
    & skf18("3","7","9","9","10","10","1") = "9"
    & skf18("3","7","9","10","1","1","1") = "9"
    & skf18("3","7","9","10","1","2","1") = "9"
    & skf18("3","7","9","10","1","3","1") = "9"
    & skf18("3","7","9","10","1","4","1") = "9"
    & skf18("3","7","9","10","1","5","1") = "9"
    & skf18("3","7","9","10","1","6","1") = "9"
    & skf18("3","7","9","10","1","7","1") = "9"
    & skf18("3","7","9","10","1","8","1") = "9"
    & skf18("3","7","9","10","1","9","1") = "9"
    & skf18("3","7","9","10","1","10","1") = "9"
    & skf18("3","7","9","10","2","1","1") = "9"
    & skf18("3","7","9","10","2","2","1") = "9"
    & skf18("3","7","9","10","2","3","1") = "9"
    & skf18("3","7","9","10","2","4","1") = "9"
    & skf18("3","7","9","10","2","5","1") = "9"
    & skf18("3","7","9","10","2","6","1") = "9"
    & skf18("3","7","9","10","2","7","1") = "9"
    & skf18("3","7","9","10","2","8","1") = "9"
    & skf18("3","7","9","10","2","9","1") = "9"
    & skf18("3","7","9","10","2","10","1") = "9"
    & skf18("3","7","9","10","3","1","1") = "9"
    & skf18("3","7","9","10","3","2","1") = "9"
    & skf18("3","7","9","10","3","3","1") = "9"
    & skf18("3","7","9","10","3","4","1") = "9"
    & skf18("3","7","9","10","3","5","1") = "9"
    & skf18("3","7","9","10","3","6","1") = "9"
    & skf18("3","7","9","10","3","7","1") = "9"
    & skf18("3","7","9","10","3","8","1") = "9"
    & skf18("3","7","9","10","3","9","1") = "9"
    & skf18("3","7","9","10","3","10","1") = "9"
    & skf18("3","7","9","10","4","1","1") = "9"
    & skf18("3","7","9","10","4","2","1") = "9"
    & skf18("3","7","9","10","4","3","1") = "9"
    & skf18("3","7","9","10","4","4","1") = "9"
    & skf18("3","7","9","10","4","5","1") = "9"
    & skf18("3","7","9","10","4","6","1") = "9"
    & skf18("3","7","9","10","4","7","1") = "9"
    & skf18("3","7","9","10","4","8","1") = "9"
    & skf18("3","7","9","10","4","9","1") = "9"
    & skf18("3","7","9","10","4","10","1") = "9"
    & skf18("3","7","9","10","5","1","1") = "9"
    & skf18("3","7","9","10","5","2","1") = "9"
    & skf18("3","7","9","10","5","3","1") = "9"
    & skf18("3","7","9","10","5","4","1") = "9"
    & skf18("3","7","9","10","5","5","1") = "9"
    & skf18("3","7","9","10","5","6","1") = "9"
    & skf18("3","7","9","10","5","7","1") = "9"
    & skf18("3","7","9","10","5","8","1") = "9"
    & skf18("3","7","9","10","5","9","1") = "9"
    & skf18("3","7","9","10","5","10","1") = "9"
    & skf18("3","7","9","10","6","1","1") = "9"
    & skf18("3","7","9","10","6","2","1") = "9"
    & skf18("3","7","9","10","6","3","1") = "9"
    & skf18("3","7","9","10","6","4","1") = "9"
    & skf18("3","7","9","10","6","5","1") = "9"
    & skf18("3","7","9","10","6","6","1") = "9"
    & skf18("3","7","9","10","6","7","1") = "9"
    & skf18("3","7","9","10","6","8","1") = "9"
    & skf18("3","7","9","10","6","9","1") = "9"
    & skf18("3","7","9","10","6","10","1") = "9"
    & skf18("3","7","9","10","7","1","1") = "9"
    & skf18("3","7","9","10","7","2","1") = "9"
    & skf18("3","7","9","10","7","3","1") = "9"
    & skf18("3","7","9","10","7","4","1") = "9"
    & skf18("3","7","9","10","7","5","1") = "9"
    & skf18("3","7","9","10","7","6","1") = "9"
    & skf18("3","7","9","10","7","7","1") = "9"
    & skf18("3","7","9","10","7","8","1") = "9"
    & skf18("3","7","9","10","7","9","1") = "9"
    & skf18("3","7","9","10","7","10","1") = "9"
    & skf18("3","7","9","10","8","1","1") = "9"
    & skf18("3","7","9","10","8","2","1") = "9"
    & skf18("3","7","9","10","8","3","1") = "9"
    & skf18("3","7","9","10","8","4","1") = "9"
    & skf18("3","7","9","10","8","5","1") = "9"
    & skf18("3","7","9","10","8","6","1") = "9"
    & skf18("3","7","9","10","8","7","1") = "9"
    & skf18("3","7","9","10","8","8","1") = "9"
    & skf18("3","7","9","10","8","9","1") = "9"
    & skf18("3","7","9","10","8","10","1") = "9"
    & skf18("3","7","9","10","9","1","1") = "9"
    & skf18("3","7","9","10","9","2","1") = "9"
    & skf18("3","7","9","10","9","3","1") = "9"
    & skf18("3","7","9","10","9","4","1") = "9"
    & skf18("3","7","9","10","9","5","1") = "9"
    & skf18("3","7","9","10","9","6","1") = "9"
    & skf18("3","7","9","10","9","7","1") = "9"
    & skf18("3","7","9","10","9","8","1") = "9"
    & skf18("3","7","9","10","9","9","1") = "9"
    & skf18("3","7","9","10","9","10","1") = "9"
    & skf18("3","7","9","10","10","1","1") = "9"
    & skf18("3","7","9","10","10","2","1") = "9"
    & skf18("3","7","9","10","10","3","1") = "9"
    & skf18("3","7","9","10","10","4","1") = "9"
    & skf18("3","7","9","10","10","5","1") = "9"
    & skf18("3","7","9","10","10","6","1") = "9"
    & skf18("3","7","9","10","10","7","1") = "9"
    & skf18("3","7","9","10","10","8","1") = "9"
    & skf18("3","7","9","10","10","9","1") = "9"
    & skf18("3","7","9","10","10","10","1") = "9"
    & skf18("3","7","10","1","1","1","1") = "9"
    & skf18("3","7","10","1","1","2","1") = "9"
    & skf18("3","7","10","1","1","3","1") = "9"
    & skf18("3","7","10","1","1","4","1") = "9"
    & skf18("3","7","10","1","1","5","1") = "9"
    & skf18("3","7","10","1","1","6","1") = "9"
    & skf18("3","7","10","1","1","7","1") = "9"
    & skf18("3","7","10","1","1","8","1") = "9"
    & skf18("3","7","10","1","1","9","1") = "9"
    & skf18("3","7","10","1","1","10","1") = "9"
    & skf18("3","7","10","1","2","1","1") = "9"
    & skf18("3","7","10","1","2","2","1") = "9"
    & skf18("3","7","10","1","2","3","1") = "9"
    & skf18("3","7","10","1","2","4","1") = "9"
    & skf18("3","7","10","1","2","5","1") = "9"
    & skf18("3","7","10","1","2","6","1") = "9"
    & skf18("3","7","10","1","2","7","1") = "9"
    & skf18("3","7","10","1","2","8","1") = "9"
    & skf18("3","7","10","1","2","9","1") = "9"
    & skf18("3","7","10","1","2","10","1") = "9"
    & skf18("3","7","10","1","3","1","1") = "9"
    & skf18("3","7","10","1","3","2","1") = "9"
    & skf18("3","7","10","1","3","3","1") = "9"
    & skf18("3","7","10","1","3","4","1") = "9"
    & skf18("3","7","10","1","3","5","1") = "9"
    & skf18("3","7","10","1","3","6","1") = "9"
    & skf18("3","7","10","1","3","7","1") = "9"
    & skf18("3","7","10","1","3","8","1") = "9"
    & skf18("3","7","10","1","3","9","1") = "9"
    & skf18("3","7","10","1","3","10","1") = "9"
    & skf18("3","7","10","1","4","1","1") = "9"
    & skf18("3","7","10","1","4","2","1") = "9"
    & skf18("3","7","10","1","4","3","1") = "9"
    & skf18("3","7","10","1","4","4","1") = "9"
    & skf18("3","7","10","1","4","5","1") = "9"
    & skf18("3","7","10","1","4","6","1") = "9"
    & skf18("3","7","10","1","4","7","1") = "9"
    & skf18("3","7","10","1","4","8","1") = "9"
    & skf18("3","7","10","1","4","9","1") = "9"
    & skf18("3","7","10","1","4","10","1") = "9"
    & skf18("3","7","10","1","5","1","1") = "9"
    & skf18("3","7","10","1","5","2","1") = "9"
    & skf18("3","7","10","1","5","3","1") = "9"
    & skf18("3","7","10","1","5","4","1") = "9"
    & skf18("3","7","10","1","5","5","1") = "9"
    & skf18("3","7","10","1","5","6","1") = "9"
    & skf18("3","7","10","1","5","7","1") = "9"
    & skf18("3","7","10","1","5","8","1") = "9"
    & skf18("3","7","10","1","5","9","1") = "9"
    & skf18("3","7","10","1","5","10","1") = "9"
    & skf18("3","7","10","1","6","1","1") = "9"
    & skf18("3","7","10","1","6","2","1") = "9"
    & skf18("3","7","10","1","6","3","1") = "9"
    & skf18("3","7","10","1","6","4","1") = "9"
    & skf18("3","7","10","1","6","5","1") = "9"
    & skf18("3","7","10","1","6","6","1") = "9"
    & skf18("3","7","10","1","6","7","1") = "9"
    & skf18("3","7","10","1","6","8","1") = "9"
    & skf18("3","7","10","1","6","9","1") = "9"
    & skf18("3","7","10","1","6","10","1") = "9"
    & skf18("3","7","10","1","7","1","1") = "9"
    & skf18("3","7","10","1","7","2","1") = "9"
    & skf18("3","7","10","1","7","3","1") = "9"
    & skf18("3","7","10","1","7","4","1") = "9"
    & skf18("3","7","10","1","7","5","1") = "9"
    & skf18("3","7","10","1","7","6","1") = "9"
    & skf18("3","7","10","1","7","7","1") = "9"
    & skf18("3","7","10","1","7","8","1") = "9"
    & skf18("3","7","10","1","7","9","1") = "9"
    & skf18("3","7","10","1","7","10","1") = "9"
    & skf18("3","7","10","1","8","1","1") = "9"
    & skf18("3","7","10","1","8","2","1") = "9"
    & skf18("3","7","10","1","8","3","1") = "9"
    & skf18("3","7","10","1","8","4","1") = "9"
    & skf18("3","7","10","1","8","5","1") = "9"
    & skf18("3","7","10","1","8","6","1") = "9"
    & skf18("3","7","10","1","8","7","1") = "9"
    & skf18("3","7","10","1","8","8","1") = "9"
    & skf18("3","7","10","1","8","9","1") = "9"
    & skf18("3","7","10","1","8","10","1") = "9"
    & skf18("3","7","10","1","9","1","1") = "9"
    & skf18("3","7","10","1","9","2","1") = "9"
    & skf18("3","7","10","1","9","3","1") = "9"
    & skf18("3","7","10","1","9","4","1") = "9"
    & skf18("3","7","10","1","9","5","1") = "9"
    & skf18("3","7","10","1","9","6","1") = "9"
    & skf18("3","7","10","1","9","7","1") = "9"
    & skf18("3","7","10","1","9","8","1") = "9"
    & skf18("3","7","10","1","9","9","1") = "9"
    & skf18("3","7","10","1","9","10","1") = "9"
    & skf18("3","7","10","1","10","1","1") = "9"
    & skf18("3","7","10","1","10","2","1") = "9"
    & skf18("3","7","10","1","10","3","1") = "9"
    & skf18("3","7","10","1","10","4","1") = "9"
    & skf18("3","7","10","1","10","5","1") = "9"
    & skf18("3","7","10","1","10","6","1") = "9"
    & skf18("3","7","10","1","10","7","1") = "9"
    & skf18("3","7","10","1","10","8","1") = "9"
    & skf18("3","7","10","1","10","9","1") = "9"
    & skf18("3","7","10","1","10","10","1") = "9"
    & skf18("3","7","10","2","1","1","1") = "9"
    & skf18("3","7","10","2","1","2","1") = "9"
    & skf18("3","7","10","2","1","3","1") = "9"
    & skf18("3","7","10","2","1","4","1") = "9"
    & skf18("3","7","10","2","1","5","1") = "9"
    & skf18("3","7","10","2","1","6","1") = "9"
    & skf18("3","7","10","2","1","7","1") = "9"
    & skf18("3","7","10","2","1","8","1") = "9"
    & skf18("3","7","10","2","1","9","1") = "9"
    & skf18("3","7","10","2","1","10","1") = "9"
    & skf18("3","7","10","2","2","1","1") = "9"
    & skf18("3","7","10","2","2","2","1") = "9"
    & skf18("3","7","10","2","2","3","1") = "9"
    & skf18("3","7","10","2","2","4","1") = "9"
    & skf18("3","7","10","2","2","5","1") = "9"
    & skf18("3","7","10","2","2","6","1") = "9"
    & skf18("3","7","10","2","2","7","1") = "9"
    & skf18("3","7","10","2","2","8","1") = "9"
    & skf18("3","7","10","2","2","9","1") = "9"
    & skf18("3","7","10","2","2","10","1") = "9"
    & skf18("3","7","10","2","3","1","1") = "9"
    & skf18("3","7","10","2","3","2","1") = "9"
    & skf18("3","7","10","2","3","3","1") = "9"
    & skf18("3","7","10","2","3","4","1") = "9"
    & skf18("3","7","10","2","3","5","1") = "9"
    & skf18("3","7","10","2","3","6","1") = "9"
    & skf18("3","7","10","2","3","7","1") = "9"
    & skf18("3","7","10","2","3","8","1") = "9"
    & skf18("3","7","10","2","3","9","1") = "9"
    & skf18("3","7","10","2","3","10","1") = "9"
    & skf18("3","7","10","2","4","1","1") = "9"
    & skf18("3","7","10","2","4","2","1") = "9"
    & skf18("3","7","10","2","4","3","1") = "9"
    & skf18("3","7","10","2","4","4","1") = "9"
    & skf18("3","7","10","2","4","5","1") = "9"
    & skf18("3","7","10","2","4","6","1") = "9"
    & skf18("3","7","10","2","4","7","1") = "9"
    & skf18("3","7","10","2","4","8","1") = "9"
    & skf18("3","7","10","2","4","9","1") = "9"
    & skf18("3","7","10","2","4","10","1") = "9"
    & skf18("3","7","10","2","5","1","1") = "9"
    & skf18("3","7","10","2","5","2","1") = "9"
    & skf18("3","7","10","2","5","3","1") = "9"
    & skf18("3","7","10","2","5","4","1") = "9"
    & skf18("3","7","10","2","5","5","1") = "9"
    & skf18("3","7","10","2","5","6","1") = "9"
    & skf18("3","7","10","2","5","7","1") = "9"
    & skf18("3","7","10","2","5","8","1") = "9"
    & skf18("3","7","10","2","5","9","1") = "9"
    & skf18("3","7","10","2","5","10","1") = "9"
    & skf18("3","7","10","2","6","1","1") = "9"
    & skf18("3","7","10","2","6","2","1") = "9"
    & skf18("3","7","10","2","6","3","1") = "9"
    & skf18("3","7","10","2","6","4","1") = "9"
    & skf18("3","7","10","2","6","5","1") = "9"
    & skf18("3","7","10","2","6","6","1") = "9"
    & skf18("3","7","10","2","6","7","1") = "9"
    & skf18("3","7","10","2","6","8","1") = "9"
    & skf18("3","7","10","2","6","9","1") = "9"
    & skf18("3","7","10","2","6","10","1") = "9"
    & skf18("3","7","10","2","7","1","1") = "9"
    & skf18("3","7","10","2","7","2","1") = "9"
    & skf18("3","7","10","2","7","3","1") = "9"
    & skf18("3","7","10","2","7","4","1") = "9"
    & skf18("3","7","10","2","7","5","1") = "9"
    & skf18("3","7","10","2","7","6","1") = "9"
    & skf18("3","7","10","2","7","7","1") = "9"
    & skf18("3","7","10","2","7","8","1") = "9"
    & skf18("3","7","10","2","7","9","1") = "9"
    & skf18("3","7","10","2","7","10","1") = "9"
    & skf18("3","7","10","2","8","1","1") = "9"
    & skf18("3","7","10","2","8","2","1") = "9"
    & skf18("3","7","10","2","8","3","1") = "9"
    & skf18("3","7","10","2","8","4","1") = "9"
    & skf18("3","7","10","2","8","5","1") = "9"
    & skf18("3","7","10","2","8","6","1") = "9"
    & skf18("3","7","10","2","8","7","1") = "9"
    & skf18("3","7","10","2","8","8","1") = "9"
    & skf18("3","7","10","2","8","9","1") = "9"
    & skf18("3","7","10","2","8","10","1") = "9"
    & skf18("3","7","10","2","9","1","1") = "9"
    & skf18("3","7","10","2","9","2","1") = "9"
    & skf18("3","7","10","2","9","3","1") = "9"
    & skf18("3","7","10","2","9","4","1") = "9"
    & skf18("3","7","10","2","9","5","1") = "9"
    & skf18("3","7","10","2","9","6","1") = "9"
    & skf18("3","7","10","2","9","7","1") = "9"
    & skf18("3","7","10","2","9","8","1") = "9"
    & skf18("3","7","10","2","9","9","1") = "9"
    & skf18("3","7","10","2","9","10","1") = "9"
    & skf18("3","7","10","2","10","1","1") = "9"
    & skf18("3","7","10","2","10","2","1") = "9"
    & skf18("3","7","10","2","10","3","1") = "9"
    & skf18("3","7","10","2","10","4","1") = "9"
    & skf18("3","7","10","2","10","5","1") = "9"
    & skf18("3","7","10","2","10","6","1") = "9"
    & skf18("3","7","10","2","10","7","1") = "9"
    & skf18("3","7","10","2","10","8","1") = "9"
    & skf18("3","7","10","2","10","9","1") = "9"
    & skf18("3","7","10","2","10","10","1") = "9"
    & skf18("3","7","10","3","1","1","1") = "9"
    & skf18("3","7","10","3","1","2","1") = "9"
    & skf18("3","7","10","3","1","3","1") = "9"
    & skf18("3","7","10","3","1","4","1") = "9"
    & skf18("3","7","10","3","1","5","1") = "9"
    & skf18("3","7","10","3","1","6","1") = "9"
    & skf18("3","7","10","3","1","7","1") = "9"
    & skf18("3","7","10","3","1","8","1") = "9"
    & skf18("3","7","10","3","1","9","1") = "9"
    & skf18("3","7","10","3","1","10","1") = "9"
    & skf18("3","7","10","3","2","1","1") = "9"
    & skf18("3","7","10","3","2","2","1") = "9"
    & skf18("3","7","10","3","2","3","1") = "9"
    & skf18("3","7","10","3","2","4","1") = "9"
    & skf18("3","7","10","3","2","5","1") = "9"
    & skf18("3","7","10","3","2","6","1") = "9"
    & skf18("3","7","10","3","2","7","1") = "9"
    & skf18("3","7","10","3","2","8","1") = "9"
    & skf18("3","7","10","3","2","9","1") = "9"
    & skf18("3","7","10","3","2","10","1") = "9"
    & skf18("3","7","10","3","3","1","1") = "9"
    & skf18("3","7","10","3","3","2","1") = "9"
    & skf18("3","7","10","3","3","3","1") = "9"
    & skf18("3","7","10","3","3","4","1") = "9"
    & skf18("3","7","10","3","3","5","1") = "9"
    & skf18("3","7","10","3","3","6","1") = "9"
    & skf18("3","7","10","3","3","7","1") = "9"
    & skf18("3","7","10","3","3","8","1") = "9"
    & skf18("3","7","10","3","3","9","1") = "9"
    & skf18("3","7","10","3","3","10","1") = "9"
    & skf18("3","7","10","3","4","1","1") = "9"
    & skf18("3","7","10","3","4","2","1") = "9"
    & skf18("3","7","10","3","4","3","1") = "9"
    & skf18("3","7","10","3","4","4","1") = "9"
    & skf18("3","7","10","3","4","5","1") = "9"
    & skf18("3","7","10","3","4","6","1") = "9"
    & skf18("3","7","10","3","4","7","1") = "9"
    & skf18("3","7","10","3","4","8","1") = "9"
    & skf18("3","7","10","3","4","9","1") = "9"
    & skf18("3","7","10","3","4","10","1") = "9"
    & skf18("3","7","10","3","5","1","1") = "9"
    & skf18("3","7","10","3","5","2","1") = "9"
    & skf18("3","7","10","3","5","3","1") = "9"
    & skf18("3","7","10","3","5","4","1") = "9"
    & skf18("3","7","10","3","5","5","1") = "9"
    & skf18("3","7","10","3","5","6","1") = "9"
    & skf18("3","7","10","3","5","7","1") = "9"
    & skf18("3","7","10","3","5","8","1") = "9"
    & skf18("3","7","10","3","5","9","1") = "9"
    & skf18("3","7","10","3","5","10","1") = "9"
    & skf18("3","7","10","3","6","1","1") = "9"
    & skf18("3","7","10","3","6","2","1") = "9"
    & skf18("3","7","10","3","6","3","1") = "9"
    & skf18("3","7","10","3","6","4","1") = "9"
    & skf18("3","7","10","3","6","5","1") = "9"
    & skf18("3","7","10","3","6","6","1") = "9"
    & skf18("3","7","10","3","6","7","1") = "9"
    & skf18("3","7","10","3","6","8","1") = "9"
    & skf18("3","7","10","3","6","9","1") = "9"
    & skf18("3","7","10","3","6","10","1") = "9"
    & skf18("3","7","10","3","7","1","1") = "9"
    & skf18("3","7","10","3","7","2","1") = "9"
    & skf18("3","7","10","3","7","3","1") = "9"
    & skf18("3","7","10","3","7","4","1") = "9"
    & skf18("3","7","10","3","7","5","1") = "9"
    & skf18("3","7","10","3","7","6","1") = "9"
    & skf18("3","7","10","3","7","7","1") = "9"
    & skf18("3","7","10","3","7","8","1") = "9"
    & skf18("3","7","10","3","7","9","1") = "9"
    & skf18("3","7","10","3","7","10","1") = "9"
    & skf18("3","7","10","3","8","1","1") = "9"
    & skf18("3","7","10","3","8","2","1") = "9"
    & skf18("3","7","10","3","8","3","1") = "9"
    & skf18("3","7","10","3","8","4","1") = "9"
    & skf18("3","7","10","3","8","5","1") = "9"
    & skf18("3","7","10","3","8","6","1") = "9"
    & skf18("3","7","10","3","8","7","1") = "9"
    & skf18("3","7","10","3","8","8","1") = "9"
    & skf18("3","7","10","3","8","9","1") = "9"
    & skf18("3","7","10","3","8","10","1") = "9"
    & skf18("3","7","10","3","9","1","1") = "9"
    & skf18("3","7","10","3","9","2","1") = "9"
    & skf18("3","7","10","3","9","3","1") = "9"
    & skf18("3","7","10","3","9","4","1") = "9"
    & skf18("3","7","10","3","9","5","1") = "9"
    & skf18("3","7","10","3","9","6","1") = "9"
    & skf18("3","7","10","3","9","7","1") = "9"
    & skf18("3","7","10","3","9","8","1") = "9"
    & skf18("3","7","10","3","9","9","1") = "9"
    & skf18("3","7","10","3","9","10","1") = "9"
    & skf18("3","7","10","3","10","1","1") = "9"
    & skf18("3","7","10","3","10","2","1") = "9"
    & skf18("3","7","10","3","10","3","1") = "9"
    & skf18("3","7","10","3","10","4","1") = "9"
    & skf18("3","7","10","3","10","5","1") = "9"
    & skf18("3","7","10","3","10","6","1") = "9"
    & skf18("3","7","10","3","10","7","1") = "9"
    & skf18("3","7","10","3","10","8","1") = "9"
    & skf18("3","7","10","3","10","9","1") = "9"
    & skf18("3","7","10","3","10","10","1") = "9"
    & skf18("3","7","10","4","1","1","1") = "9"
    & skf18("3","7","10","4","1","2","1") = "9"
    & skf18("3","7","10","4","1","3","1") = "9"
    & skf18("3","7","10","4","1","4","1") = "9"
    & skf18("3","7","10","4","1","5","1") = "9"
    & skf18("3","7","10","4","1","6","1") = "9"
    & skf18("3","7","10","4","1","7","1") = "9"
    & skf18("3","7","10","4","1","8","1") = "9"
    & skf18("3","7","10","4","1","9","1") = "9"
    & skf18("3","7","10","4","1","10","1") = "9"
    & skf18("3","7","10","4","2","1","1") = "9"
    & skf18("3","7","10","4","2","2","1") = "9"
    & skf18("3","7","10","4","2","3","1") = "9"
    & skf18("3","7","10","4","2","4","1") = "9"
    & skf18("3","7","10","4","2","5","1") = "9"
    & skf18("3","7","10","4","2","6","1") = "9"
    & skf18("3","7","10","4","2","7","1") = "9"
    & skf18("3","7","10","4","2","8","1") = "9"
    & skf18("3","7","10","4","2","9","1") = "9"
    & skf18("3","7","10","4","2","10","1") = "9"
    & skf18("3","7","10","4","3","1","1") = "9"
    & skf18("3","7","10","4","3","2","1") = "9"
    & skf18("3","7","10","4","3","3","1") = "9"
    & skf18("3","7","10","4","3","4","1") = "9"
    & skf18("3","7","10","4","3","5","1") = "9"
    & skf18("3","7","10","4","3","6","1") = "9"
    & skf18("3","7","10","4","3","7","1") = "9"
    & skf18("3","7","10","4","3","8","1") = "9"
    & skf18("3","7","10","4","3","9","1") = "9"
    & skf18("3","7","10","4","3","10","1") = "9"
    & skf18("3","7","10","4","4","1","1") = "9"
    & skf18("3","7","10","4","4","2","1") = "9"
    & skf18("3","7","10","4","4","3","1") = "9"
    & skf18("3","7","10","4","4","4","1") = "9"
    & skf18("3","7","10","4","4","5","1") = "9"
    & skf18("3","7","10","4","4","6","1") = "9"
    & skf18("3","7","10","4","4","7","1") = "9"
    & skf18("3","7","10","4","4","8","1") = "9"
    & skf18("3","7","10","4","4","9","1") = "9"
    & skf18("3","7","10","4","4","10","1") = "9"
    & skf18("3","7","10","4","5","1","1") = "9"
    & skf18("3","7","10","4","5","2","1") = "9"
    & skf18("3","7","10","4","5","3","1") = "9"
    & skf18("3","7","10","4","5","4","1") = "9"
    & skf18("3","7","10","4","5","5","1") = "9"
    & skf18("3","7","10","4","5","6","1") = "9"
    & skf18("3","7","10","4","5","7","1") = "9"
    & skf18("3","7","10","4","5","8","1") = "9"
    & skf18("3","7","10","4","5","9","1") = "9"
    & skf18("3","7","10","4","5","10","1") = "9"
    & skf18("3","7","10","4","6","1","1") = "9"
    & skf18("3","7","10","4","6","2","1") = "9"
    & skf18("3","7","10","4","6","3","1") = "9"
    & skf18("3","7","10","4","6","4","1") = "9"
    & skf18("3","7","10","4","6","5","1") = "9"
    & skf18("3","7","10","4","6","6","1") = "9"
    & skf18("3","7","10","4","6","7","1") = "9"
    & skf18("3","7","10","4","6","8","1") = "9"
    & skf18("3","7","10","4","6","9","1") = "9"
    & skf18("3","7","10","4","6","10","1") = "9"
    & skf18("3","7","10","4","7","1","1") = "9"
    & skf18("3","7","10","4","7","2","1") = "9"
    & skf18("3","7","10","4","7","3","1") = "9"
    & skf18("3","7","10","4","7","4","1") = "9"
    & skf18("3","7","10","4","7","5","1") = "9"
    & skf18("3","7","10","4","7","6","1") = "9"
    & skf18("3","7","10","4","7","7","1") = "9"
    & skf18("3","7","10","4","7","8","1") = "9"
    & skf18("3","7","10","4","7","9","1") = "9"
    & skf18("3","7","10","4","7","10","1") = "9"
    & skf18("3","7","10","4","8","1","1") = "9"
    & skf18("3","7","10","4","8","2","1") = "9"
    & skf18("3","7","10","4","8","3","1") = "9"
    & skf18("3","7","10","4","8","4","1") = "9"
    & skf18("3","7","10","4","8","5","1") = "9"
    & skf18("3","7","10","4","8","6","1") = "9"
    & skf18("3","7","10","4","8","7","1") = "9"
    & skf18("3","7","10","4","8","8","1") = "9"
    & skf18("3","7","10","4","8","9","1") = "9"
    & skf18("3","7","10","4","8","10","1") = "9"
    & skf18("3","7","10","4","9","1","1") = "9"
    & skf18("3","7","10","4","9","2","1") = "9"
    & skf18("3","7","10","4","9","3","1") = "9"
    & skf18("3","7","10","4","9","4","1") = "9"
    & skf18("3","7","10","4","9","5","1") = "9"
    & skf18("3","7","10","4","9","6","1") = "9"
    & skf18("3","7","10","4","9","7","1") = "9"
    & skf18("3","7","10","4","9","8","1") = "9"
    & skf18("3","7","10","4","9","9","1") = "9"
    & skf18("3","7","10","4","9","10","1") = "9"
    & skf18("3","7","10","4","10","1","1") = "9"
    & skf18("3","7","10","4","10","2","1") = "9"
    & skf18("3","7","10","4","10","3","1") = "9"
    & skf18("3","7","10","4","10","4","1") = "9"
    & skf18("3","7","10","4","10","5","1") = "9"
    & skf18("3","7","10","4","10","6","1") = "9"
    & skf18("3","7","10","4","10","7","1") = "9"
    & skf18("3","7","10","4","10","8","1") = "9"
    & skf18("3","7","10","4","10","9","1") = "9"
    & skf18("3","7","10","4","10","10","1") = "9"
    & skf18("3","7","10","5","1","1","1") = "9"
    & skf18("3","7","10","5","1","2","1") = "9"
    & skf18("3","7","10","5","1","3","1") = "9"
    & skf18("3","7","10","5","1","4","1") = "9"
    & skf18("3","7","10","5","1","5","1") = "9"
    & skf18("3","7","10","5","1","6","1") = "9"
    & skf18("3","7","10","5","1","7","1") = "9"
    & skf18("3","7","10","5","1","8","1") = "9"
    & skf18("3","7","10","5","1","9","1") = "9"
    & skf18("3","7","10","5","1","10","1") = "9"
    & skf18("3","7","10","5","2","1","1") = "9"
    & skf18("3","7","10","5","2","2","1") = "9"
    & skf18("3","7","10","5","2","3","1") = "9"
    & skf18("3","7","10","5","2","4","1") = "9"
    & skf18("3","7","10","5","2","5","1") = "9"
    & skf18("3","7","10","5","2","6","1") = "9"
    & skf18("3","7","10","5","2","7","1") = "9"
    & skf18("3","7","10","5","2","8","1") = "9"
    & skf18("3","7","10","5","2","9","1") = "9"
    & skf18("3","7","10","5","2","10","1") = "9"
    & skf18("3","7","10","5","3","1","1") = "9"
    & skf18("3","7","10","5","3","2","1") = "9"
    & skf18("3","7","10","5","3","3","1") = "9"
    & skf18("3","7","10","5","3","4","1") = "9"
    & skf18("3","7","10","5","3","5","1") = "9"
    & skf18("3","7","10","5","3","6","1") = "9"
    & skf18("3","7","10","5","3","7","1") = "9"
    & skf18("3","7","10","5","3","8","1") = "9"
    & skf18("3","7","10","5","3","9","1") = "9"
    & skf18("3","7","10","5","3","10","1") = "9"
    & skf18("3","7","10","5","4","1","1") = "9"
    & skf18("3","7","10","5","4","2","1") = "9"
    & skf18("3","7","10","5","4","3","1") = "9"
    & skf18("3","7","10","5","4","4","1") = "9"
    & skf18("3","7","10","5","4","5","1") = "9"
    & skf18("3","7","10","5","4","6","1") = "9"
    & skf18("3","7","10","5","4","7","1") = "9"
    & skf18("3","7","10","5","4","8","1") = "9"
    & skf18("3","7","10","5","4","9","1") = "9"
    & skf18("3","7","10","5","4","10","1") = "9"
    & skf18("3","7","10","5","5","1","1") = "9"
    & skf18("3","7","10","5","5","2","1") = "9"
    & skf18("3","7","10","5","5","3","1") = "9"
    & skf18("3","7","10","5","5","4","1") = "9"
    & skf18("3","7","10","5","5","5","1") = "9"
    & skf18("3","7","10","5","5","6","1") = "9"
    & skf18("3","7","10","5","5","7","1") = "9"
    & skf18("3","7","10","5","5","8","1") = "9"
    & skf18("3","7","10","5","5","9","1") = "9"
    & skf18("3","7","10","5","5","10","1") = "9"
    & skf18("3","7","10","5","6","1","1") = "9"
    & skf18("3","7","10","5","6","2","1") = "9"
    & skf18("3","7","10","5","6","3","1") = "9"
    & skf18("3","7","10","5","6","4","1") = "9"
    & skf18("3","7","10","5","6","5","1") = "9"
    & skf18("3","7","10","5","6","6","1") = "9"
    & skf18("3","7","10","5","6","7","1") = "9"
    & skf18("3","7","10","5","6","8","1") = "9"
    & skf18("3","7","10","5","6","9","1") = "9"
    & skf18("3","7","10","5","6","10","1") = "9"
    & skf18("3","7","10","5","7","1","1") = "9"
    & skf18("3","7","10","5","7","2","1") = "9"
    & skf18("3","7","10","5","7","3","1") = "9"
    & skf18("3","7","10","5","7","4","1") = "9"
    & skf18("3","7","10","5","7","5","1") = "9"
    & skf18("3","7","10","5","7","6","1") = "9"
    & skf18("3","7","10","5","7","7","1") = "9"
    & skf18("3","7","10","5","7","8","1") = "9"
    & skf18("3","7","10","5","7","9","1") = "9"
    & skf18("3","7","10","5","7","10","1") = "9"
    & skf18("3","7","10","5","8","1","1") = "9"
    & skf18("3","7","10","5","8","2","1") = "9"
    & skf18("3","7","10","5","8","3","1") = "9"
    & skf18("3","7","10","5","8","4","1") = "9"
    & skf18("3","7","10","5","8","5","1") = "9"
    & skf18("3","7","10","5","8","6","1") = "9"
    & skf18("3","7","10","5","8","7","1") = "9"
    & skf18("3","7","10","5","8","8","1") = "9"
    & skf18("3","7","10","5","8","9","1") = "9"
    & skf18("3","7","10","5","8","10","1") = "9"
    & skf18("3","7","10","5","9","1","1") = "9"
    & skf18("3","7","10","5","9","2","1") = "9"
    & skf18("3","7","10","5","9","3","1") = "9"
    & skf18("3","7","10","5","9","4","1") = "9"
    & skf18("3","7","10","5","9","5","1") = "9"
    & skf18("3","7","10","5","9","6","1") = "9"
    & skf18("3","7","10","5","9","7","1") = "9"
    & skf18("3","7","10","5","9","8","1") = "9"
    & skf18("3","7","10","5","9","9","1") = "9"
    & skf18("3","7","10","5","9","10","1") = "9"
    & skf18("3","7","10","5","10","1","1") = "9"
    & skf18("3","7","10","5","10","2","1") = "9"
    & skf18("3","7","10","5","10","3","1") = "9"
    & skf18("3","7","10","5","10","4","1") = "9"
    & skf18("3","7","10","5","10","5","1") = "9"
    & skf18("3","7","10","5","10","6","1") = "9"
    & skf18("3","7","10","5","10","7","1") = "9"
    & skf18("3","7","10","5","10","8","1") = "9"
    & skf18("3","7","10","5","10","9","1") = "9"
    & skf18("3","7","10","5","10","10","1") = "9"
    & skf18("3","7","10","6","1","1","1") = "9"
    & skf18("3","7","10","6","1","2","1") = "9"
    & skf18("3","7","10","6","1","3","1") = "9"
    & skf18("3","7","10","6","1","4","1") = "9"
    & skf18("3","7","10","6","1","5","1") = "9"
    & skf18("3","7","10","6","1","6","1") = "9"
    & skf18("3","7","10","6","1","7","1") = "9"
    & skf18("3","7","10","6","1","8","1") = "9"
    & skf18("3","7","10","6","1","9","1") = "9"
    & skf18("3","7","10","6","1","10","1") = "9"
    & skf18("3","7","10","6","2","1","1") = "9"
    & skf18("3","7","10","6","2","2","1") = "9"
    & skf18("3","7","10","6","2","3","1") = "9"
    & skf18("3","7","10","6","2","4","1") = "9"
    & skf18("3","7","10","6","2","5","1") = "9"
    & skf18("3","7","10","6","2","6","1") = "9"
    & skf18("3","7","10","6","2","7","1") = "9"
    & skf18("3","7","10","6","2","8","1") = "9"
    & skf18("3","7","10","6","2","9","1") = "9"
    & skf18("3","7","10","6","2","10","1") = "9"
    & skf18("3","7","10","6","3","1","1") = "9"
    & skf18("3","7","10","6","3","2","1") = "9"
    & skf18("3","7","10","6","3","3","1") = "9"
    & skf18("3","7","10","6","3","4","1") = "9"
    & skf18("3","7","10","6","3","5","1") = "9"
    & skf18("3","7","10","6","3","6","1") = "9"
    & skf18("3","7","10","6","3","7","1") = "9"
    & skf18("3","7","10","6","3","8","1") = "9"
    & skf18("3","7","10","6","3","9","1") = "9"
    & skf18("3","7","10","6","3","10","1") = "9"
    & skf18("3","7","10","6","4","1","1") = "9"
    & skf18("3","7","10","6","4","2","1") = "9"
    & skf18("3","7","10","6","4","3","1") = "9"
    & skf18("3","7","10","6","4","4","1") = "9"
    & skf18("3","7","10","6","4","5","1") = "9"
    & skf18("3","7","10","6","4","6","1") = "9"
    & skf18("3","7","10","6","4","7","1") = "9"
    & skf18("3","7","10","6","4","8","1") = "9"
    & skf18("3","7","10","6","4","9","1") = "9"
    & skf18("3","7","10","6","4","10","1") = "9"
    & skf18("3","7","10","6","5","1","1") = "9"
    & skf18("3","7","10","6","5","2","1") = "9"
    & skf18("3","7","10","6","5","3","1") = "9"
    & skf18("3","7","10","6","5","4","1") = "9"
    & skf18("3","7","10","6","5","5","1") = "9"
    & skf18("3","7","10","6","5","6","1") = "9"
    & skf18("3","7","10","6","5","7","1") = "9"
    & skf18("3","7","10","6","5","8","1") = "9"
    & skf18("3","7","10","6","5","9","1") = "9"
    & skf18("3","7","10","6","5","10","1") = "9"
    & skf18("3","7","10","6","6","1","1") = "9"
    & skf18("3","7","10","6","6","2","1") = "9"
    & skf18("3","7","10","6","6","3","1") = "9"
    & skf18("3","7","10","6","6","4","1") = "9"
    & skf18("3","7","10","6","6","5","1") = "9"
    & skf18("3","7","10","6","6","6","1") = "9"
    & skf18("3","7","10","6","6","7","1") = "9"
    & skf18("3","7","10","6","6","8","1") = "9"
    & skf18("3","7","10","6","6","9","1") = "9"
    & skf18("3","7","10","6","6","10","1") = "9"
    & skf18("3","7","10","6","7","1","1") = "9"
    & skf18("3","7","10","6","7","2","1") = "9"
    & skf18("3","7","10","6","7","3","1") = "9"
    & skf18("3","7","10","6","7","4","1") = "9"
    & skf18("3","7","10","6","7","5","1") = "9"
    & skf18("3","7","10","6","7","6","1") = "9"
    & skf18("3","7","10","6","7","7","1") = "9"
    & skf18("3","7","10","6","7","8","1") = "9"
    & skf18("3","7","10","6","7","9","1") = "9"
    & skf18("3","7","10","6","7","10","1") = "9"
    & skf18("3","7","10","6","8","1","1") = "9"
    & skf18("3","7","10","6","8","2","1") = "9"
    & skf18("3","7","10","6","8","3","1") = "9"
    & skf18("3","7","10","6","8","4","1") = "9"
    & skf18("3","7","10","6","8","5","1") = "9"
    & skf18("3","7","10","6","8","6","1") = "9"
    & skf18("3","7","10","6","8","7","1") = "9"
    & skf18("3","7","10","6","8","8","1") = "9"
    & skf18("3","7","10","6","8","9","1") = "9"
    & skf18("3","7","10","6","8","10","1") = "9"
    & skf18("3","7","10","6","9","1","1") = "9"
    & skf18("3","7","10","6","9","2","1") = "9"
    & skf18("3","7","10","6","9","3","1") = "9"
    & skf18("3","7","10","6","9","4","1") = "9"
    & skf18("3","7","10","6","9","5","1") = "9"
    & skf18("3","7","10","6","9","6","1") = "9"
    & skf18("3","7","10","6","9","7","1") = "9"
    & skf18("3","7","10","6","9","8","1") = "9"
    & skf18("3","7","10","6","9","9","1") = "9"
    & skf18("3","7","10","6","9","10","1") = "9"
    & skf18("3","7","10","6","10","1","1") = "9"
    & skf18("3","7","10","6","10","2","1") = "9"
    & skf18("3","7","10","6","10","3","1") = "9"
    & skf18("3","7","10","6","10","4","1") = "9"
    & skf18("3","7","10","6","10","5","1") = "9"
    & skf18("3","7","10","6","10","6","1") = "9"
    & skf18("3","7","10","6","10","7","1") = "9"
    & skf18("3","7","10","6","10","8","1") = "9"
    & skf18("3","7","10","6","10","9","1") = "9"
    & skf18("3","7","10","6","10","10","1") = "9"
    & skf18("3","7","10","7","1","1","1") = "9"
    & skf18("3","7","10","7","1","2","1") = "9"
    & skf18("3","7","10","7","1","3","1") = "9"
    & skf18("3","7","10","7","1","4","1") = "9"
    & skf18("3","7","10","7","1","5","1") = "9"
    & skf18("3","7","10","7","1","6","1") = "9"
    & skf18("3","7","10","7","1","7","1") = "9"
    & skf18("3","7","10","7","1","8","1") = "9"
    & skf18("3","7","10","7","1","9","1") = "9"
    & skf18("3","7","10","7","1","10","1") = "9"
    & skf18("3","7","10","7","2","1","1") = "9"
    & skf18("3","7","10","7","2","2","1") = "9"
    & skf18("3","7","10","7","2","3","1") = "9"
    & skf18("3","7","10","7","2","4","1") = "9"
    & skf18("3","7","10","7","2","5","1") = "9"
    & skf18("3","7","10","7","2","6","1") = "9"
    & skf18("3","7","10","7","2","7","1") = "9"
    & skf18("3","7","10","7","2","8","1") = "9"
    & skf18("3","7","10","7","2","9","1") = "9"
    & skf18("3","7","10","7","2","10","1") = "9"
    & skf18("3","7","10","7","3","1","1") = "9"
    & skf18("3","7","10","7","3","2","1") = "9"
    & skf18("3","7","10","7","3","3","1") = "9"
    & skf18("3","7","10","7","3","4","1") = "9"
    & skf18("3","7","10","7","3","5","1") = "9"
    & skf18("3","7","10","7","3","6","1") = "9"
    & skf18("3","7","10","7","3","7","1") = "9"
    & skf18("3","7","10","7","3","8","1") = "9"
    & skf18("3","7","10","7","3","9","1") = "9"
    & skf18("3","7","10","7","3","10","1") = "9"
    & skf18("3","7","10","7","4","1","1") = "9"
    & skf18("3","7","10","7","4","2","1") = "9"
    & skf18("3","7","10","7","4","3","1") = "9"
    & skf18("3","7","10","7","4","4","1") = "9"
    & skf18("3","7","10","7","4","5","1") = "9"
    & skf18("3","7","10","7","4","6","1") = "9"
    & skf18("3","7","10","7","4","7","1") = "9"
    & skf18("3","7","10","7","4","8","1") = "9"
    & skf18("3","7","10","7","4","9","1") = "9"
    & skf18("3","7","10","7","4","10","1") = "9"
    & skf18("3","7","10","7","5","1","1") = "9"
    & skf18("3","7","10","7","5","2","1") = "9"
    & skf18("3","7","10","7","5","3","1") = "9"
    & skf18("3","7","10","7","5","4","1") = "9"
    & skf18("3","7","10","7","5","5","1") = "9"
    & skf18("3","7","10","7","5","6","1") = "9"
    & skf18("3","7","10","7","5","7","1") = "9"
    & skf18("3","7","10","7","5","8","1") = "9"
    & skf18("3","7","10","7","5","9","1") = "9"
    & skf18("3","7","10","7","5","10","1") = "9"
    & skf18("3","7","10","7","6","1","1") = "9"
    & skf18("3","7","10","7","6","2","1") = "9"
    & skf18("3","7","10","7","6","3","1") = "9"
    & skf18("3","7","10","7","6","4","1") = "9"
    & skf18("3","7","10","7","6","5","1") = "9"
    & skf18("3","7","10","7","6","6","1") = "9"
    & skf18("3","7","10","7","6","7","1") = "9"
    & skf18("3","7","10","7","6","8","1") = "9"
    & skf18("3","7","10","7","6","9","1") = "9"
    & skf18("3","7","10","7","6","10","1") = "9"
    & skf18("3","7","10","7","7","1","1") = "9"
    & skf18("3","7","10","7","7","2","1") = "9"
    & skf18("3","7","10","7","7","3","1") = "9"
    & skf18("3","7","10","7","7","4","1") = "9"
    & skf18("3","7","10","7","7","5","1") = "9"
    & skf18("3","7","10","7","7","6","1") = "9"
    & skf18("3","7","10","7","7","7","1") = "9"
    & skf18("3","7","10","7","7","8","1") = "9"
    & skf18("3","7","10","7","7","9","1") = "9"
    & skf18("3","7","10","7","7","10","1") = "9"
    & skf18("3","7","10","7","8","1","1") = "9"
    & skf18("3","7","10","7","8","2","1") = "9"
    & skf18("3","7","10","7","8","3","1") = "9"
    & skf18("3","7","10","7","8","4","1") = "9"
    & skf18("3","7","10","7","8","5","1") = "9"
    & skf18("3","7","10","7","8","6","1") = "9"
    & skf18("3","7","10","7","8","7","1") = "9"
    & skf18("3","7","10","7","8","8","1") = "9"
    & skf18("3","7","10","7","8","9","1") = "9"
    & skf18("3","7","10","7","8","10","1") = "9"
    & skf18("3","7","10","7","9","1","1") = "9"
    & skf18("3","7","10","7","9","2","1") = "9"
    & skf18("3","7","10","7","9","3","1") = "9"
    & skf18("3","7","10","7","9","4","1") = "9"
    & skf18("3","7","10","7","9","5","1") = "9"
    & skf18("3","7","10","7","9","6","1") = "9"
    & skf18("3","7","10","7","9","7","1") = "9"
    & skf18("3","7","10","7","9","8","1") = "9"
    & skf18("3","7","10","7","9","9","1") = "9"
    & skf18("3","7","10","7","9","10","1") = "9"
    & skf18("3","7","10","7","10","1","1") = "9"
    & skf18("3","7","10","7","10","2","1") = "9"
    & skf18("3","7","10","7","10","3","1") = "9"
    & skf18("3","7","10","7","10","4","1") = "9"
    & skf18("3","7","10","7","10","5","1") = "9"
    & skf18("3","7","10","7","10","6","1") = "9"
    & skf18("3","7","10","7","10","7","1") = "9"
    & skf18("3","7","10","7","10","8","1") = "9"
    & skf18("3","7","10","7","10","9","1") = "9"
    & skf18("3","7","10","7","10","10","1") = "9"
    & skf18("3","7","10","8","1","1","1") = "9"
    & skf18("3","7","10","8","1","2","1") = "9"
    & skf18("3","7","10","8","1","3","1") = "9"
    & skf18("3","7","10","8","1","4","1") = "9"
    & skf18("3","7","10","8","1","5","1") = "9"
    & skf18("3","7","10","8","1","6","1") = "9"
    & skf18("3","7","10","8","1","7","1") = "9"
    & skf18("3","7","10","8","1","8","1") = "9"
    & skf18("3","7","10","8","1","9","1") = "9"
    & skf18("3","7","10","8","1","10","1") = "9"
    & skf18("3","7","10","8","2","1","1") = "9"
    & skf18("3","7","10","8","2","2","1") = "9"
    & skf18("3","7","10","8","2","3","1") = "9"
    & skf18("3","7","10","8","2","4","1") = "9"
    & skf18("3","7","10","8","2","5","1") = "9"
    & skf18("3","7","10","8","2","6","1") = "9"
    & skf18("3","7","10","8","2","7","1") = "9"
    & skf18("3","7","10","8","2","8","1") = "9"
    & skf18("3","7","10","8","2","9","1") = "9"
    & skf18("3","7","10","8","2","10","1") = "9"
    & skf18("3","7","10","8","3","1","1") = "9"
    & skf18("3","7","10","8","3","2","1") = "9"
    & skf18("3","7","10","8","3","3","1") = "9"
    & skf18("3","7","10","8","3","4","1") = "9"
    & skf18("3","7","10","8","3","5","1") = "9"
    & skf18("3","7","10","8","3","6","1") = "9"
    & skf18("3","7","10","8","3","7","1") = "9"
    & skf18("3","7","10","8","3","8","1") = "9"
    & skf18("3","7","10","8","3","9","1") = "9"
    & skf18("3","7","10","8","3","10","1") = "9"
    & skf18("3","7","10","8","4","1","1") = "9"
    & skf18("3","7","10","8","4","2","1") = "9"
    & skf18("3","7","10","8","4","3","1") = "9"
    & skf18("3","7","10","8","4","4","1") = "9"
    & skf18("3","7","10","8","4","5","1") = "9"
    & skf18("3","7","10","8","4","6","1") = "9"
    & skf18("3","7","10","8","4","7","1") = "9"
    & skf18("3","7","10","8","4","8","1") = "9"
    & skf18("3","7","10","8","4","9","1") = "9"
    & skf18("3","7","10","8","4","10","1") = "9"
    & skf18("3","7","10","8","5","1","1") = "9"
    & skf18("3","7","10","8","5","2","1") = "9"
    & skf18("3","7","10","8","5","3","1") = "9"
    & skf18("3","7","10","8","5","4","1") = "9"
    & skf18("3","7","10","8","5","5","1") = "9"
    & skf18("3","7","10","8","5","6","1") = "9"
    & skf18("3","7","10","8","5","7","1") = "9"
    & skf18("3","7","10","8","5","8","1") = "9"
    & skf18("3","7","10","8","5","9","1") = "9"
    & skf18("3","7","10","8","5","10","1") = "9"
    & skf18("3","7","10","8","6","1","1") = "9"
    & skf18("3","7","10","8","6","2","1") = "9"
    & skf18("3","7","10","8","6","3","1") = "9"
    & skf18("3","7","10","8","6","4","1") = "9"
    & skf18("3","7","10","8","6","5","1") = "9"
    & skf18("3","7","10","8","6","6","1") = "9"
    & skf18("3","7","10","8","6","7","1") = "9"
    & skf18("3","7","10","8","6","8","1") = "9"
    & skf18("3","7","10","8","6","9","1") = "9"
    & skf18("3","7","10","8","6","10","1") = "9"
    & skf18("3","7","10","8","7","1","1") = "9"
    & skf18("3","7","10","8","7","2","1") = "9"
    & skf18("3","7","10","8","7","3","1") = "9"
    & skf18("3","7","10","8","7","4","1") = "9"
    & skf18("3","7","10","8","7","5","1") = "9"
    & skf18("3","7","10","8","7","6","1") = "9"
    & skf18("3","7","10","8","7","7","1") = "9"
    & skf18("3","7","10","8","7","8","1") = "9"
    & skf18("3","7","10","8","7","9","1") = "9"
    & skf18("3","7","10","8","7","10","1") = "9"
    & skf18("3","7","10","8","8","1","1") = "9"
    & skf18("3","7","10","8","8","2","1") = "9"
    & skf18("3","7","10","8","8","3","1") = "9"
    & skf18("3","7","10","8","8","4","1") = "9"
    & skf18("3","7","10","8","8","5","1") = "9"
    & skf18("3","7","10","8","8","6","1") = "9"
    & skf18("3","7","10","8","8","7","1") = "9"
    & skf18("3","7","10","8","8","8","1") = "9"
    & skf18("3","7","10","8","8","9","1") = "9"
    & skf18("3","7","10","8","8","10","1") = "9"
    & skf18("3","7","10","8","9","1","1") = "9"
    & skf18("3","7","10","8","9","2","1") = "9"
    & skf18("3","7","10","8","9","3","1") = "9"
    & skf18("3","7","10","8","9","4","1") = "9"
    & skf18("3","7","10","8","9","5","1") = "9"
    & skf18("3","7","10","8","9","6","1") = "9"
    & skf18("3","7","10","8","9","7","1") = "9"
    & skf18("3","7","10","8","9","8","1") = "9"
    & skf18("3","7","10","8","9","9","1") = "9"
    & skf18("3","7","10","8","9","10","1") = "9"
    & skf18("3","7","10","8","10","1","1") = "9"
    & skf18("3","7","10","8","10","2","1") = "9"
    & skf18("3","7","10","8","10","3","1") = "9"
    & skf18("3","7","10","8","10","4","1") = "9"
    & skf18("3","7","10","8","10","5","1") = "9"
    & skf18("3","7","10","8","10","6","1") = "9"
    & skf18("3","7","10","8","10","7","1") = "9"
    & skf18("3","7","10","8","10","8","1") = "9"
    & skf18("3","7","10","8","10","9","1") = "9"
    & skf18("3","7","10","8","10","10","1") = "9"
    & skf18("3","7","10","9","1","1","1") = "9"
    & skf18("3","7","10","9","1","2","1") = "9"
    & skf18("3","7","10","9","1","3","1") = "9"
    & skf18("3","7","10","9","1","4","1") = "9"
    & skf18("3","7","10","9","1","5","1") = "9"
    & skf18("3","7","10","9","1","6","1") = "9"
    & skf18("3","7","10","9","1","7","1") = "9"
    & skf18("3","7","10","9","1","8","1") = "9"
    & skf18("3","7","10","9","1","9","1") = "9"
    & skf18("3","7","10","9","1","10","1") = "9"
    & skf18("3","7","10","9","2","1","1") = "9"
    & skf18("3","7","10","9","2","2","1") = "9"
    & skf18("3","7","10","9","2","3","1") = "9"
    & skf18("3","7","10","9","2","4","1") = "9"
    & skf18("3","7","10","9","2","5","1") = "9"
    & skf18("3","7","10","9","2","6","1") = "9"
    & skf18("3","7","10","9","2","7","1") = "9"
    & skf18("3","7","10","9","2","8","1") = "9"
    & skf18("3","7","10","9","2","9","1") = "9"
    & skf18("3","7","10","9","2","10","1") = "9"
    & skf18("3","7","10","9","3","1","1") = "9"
    & skf18("3","7","10","9","3","2","1") = "9"
    & skf18("3","7","10","9","3","3","1") = "9"
    & skf18("3","7","10","9","3","4","1") = "9"
    & skf18("3","7","10","9","3","5","1") = "9"
    & skf18("3","7","10","9","3","6","1") = "9"
    & skf18("3","7","10","9","3","7","1") = "9"
    & skf18("3","7","10","9","3","8","1") = "9"
    & skf18("3","7","10","9","3","9","1") = "9"
    & skf18("3","7","10","9","3","10","1") = "9"
    & skf18("3","7","10","9","4","1","1") = "9"
    & skf18("3","7","10","9","4","2","1") = "9"
    & skf18("3","7","10","9","4","3","1") = "9"
    & skf18("3","7","10","9","4","4","1") = "9"
    & skf18("3","7","10","9","4","5","1") = "9"
    & skf18("3","7","10","9","4","6","1") = "9"
    & skf18("3","7","10","9","4","7","1") = "9"
    & skf18("3","7","10","9","4","8","1") = "9"
    & skf18("3","7","10","9","4","9","1") = "9"
    & skf18("3","7","10","9","4","10","1") = "9"
    & skf18("3","7","10","9","5","1","1") = "9"
    & skf18("3","7","10","9","5","2","1") = "9"
    & skf18("3","7","10","9","5","3","1") = "9"
    & skf18("3","7","10","9","5","4","1") = "9"
    & skf18("3","7","10","9","5","5","1") = "9"
    & skf18("3","7","10","9","5","6","1") = "9"
    & skf18("3","7","10","9","5","7","1") = "9"
    & skf18("3","7","10","9","5","8","1") = "9"
    & skf18("3","7","10","9","5","9","1") = "9"
    & skf18("3","7","10","9","5","10","1") = "9"
    & skf18("3","7","10","9","6","1","1") = "9"
    & skf18("3","7","10","9","6","2","1") = "9"
    & skf18("3","7","10","9","6","3","1") = "9"
    & skf18("3","7","10","9","6","4","1") = "9"
    & skf18("3","7","10","9","6","5","1") = "9"
    & skf18("3","7","10","9","6","6","1") = "9"
    & skf18("3","7","10","9","6","7","1") = "9"
    & skf18("3","7","10","9","6","8","1") = "9"
    & skf18("3","7","10","9","6","9","1") = "9"
    & skf18("3","7","10","9","6","10","1") = "9"
    & skf18("3","7","10","9","7","1","1") = "9"
    & skf18("3","7","10","9","7","2","1") = "9"
    & skf18("3","7","10","9","7","3","1") = "9"
    & skf18("3","7","10","9","7","4","1") = "9"
    & skf18("3","7","10","9","7","5","1") = "9"
    & skf18("3","7","10","9","7","6","1") = "9"
    & skf18("3","7","10","9","7","7","1") = "9"
    & skf18("3","7","10","9","7","8","1") = "9"
    & skf18("3","7","10","9","7","9","1") = "9"
    & skf18("3","7","10","9","7","10","1") = "9"
    & skf18("3","7","10","9","8","1","1") = "9"
    & skf18("3","7","10","9","8","2","1") = "9"
    & skf18("3","7","10","9","8","3","1") = "9"
    & skf18("3","7","10","9","8","4","1") = "9"
    & skf18("3","7","10","9","8","5","1") = "9"
    & skf18("3","7","10","9","8","6","1") = "9"
    & skf18("3","7","10","9","8","7","1") = "9"
    & skf18("3","7","10","9","8","8","1") = "9"
    & skf18("3","7","10","9","8","9","1") = "9"
    & skf18("3","7","10","9","8","10","1") = "9"
    & skf18("3","7","10","9","9","1","1") = "9"
    & skf18("3","7","10","9","9","2","1") = "9"
    & skf18("3","7","10","9","9","3","1") = "9"
    & skf18("3","7","10","9","9","4","1") = "9"
    & skf18("3","7","10","9","9","5","1") = "9"
    & skf18("3","7","10","9","9","6","1") = "9"
    & skf18("3","7","10","9","9","7","1") = "9"
    & skf18("3","7","10","9","9","8","1") = "9"
    & skf18("3","7","10","9","9","9","1") = "9"
    & skf18("3","7","10","9","9","10","1") = "9"
    & skf18("3","7","10","9","10","1","1") = "9"
    & skf18("3","7","10","9","10","2","1") = "9"
    & skf18("3","7","10","9","10","3","1") = "9"
    & skf18("3","7","10","9","10","4","1") = "9"
    & skf18("3","7","10","9","10","5","1") = "9"
    & skf18("3","7","10","9","10","6","1") = "9"
    & skf18("3","7","10","9","10","7","1") = "9"
    & skf18("3","7","10","9","10","8","1") = "9"
    & skf18("3","7","10","9","10","9","1") = "9"
    & skf18("3","7","10","9","10","10","1") = "9"
    & skf18("3","7","10","10","1","1","1") = "9"
    & skf18("3","7","10","10","1","2","1") = "9"
    & skf18("3","7","10","10","1","3","1") = "9"
    & skf18("3","7","10","10","1","4","1") = "9"
    & skf18("3","7","10","10","1","5","1") = "9"
    & skf18("3","7","10","10","1","6","1") = "9"
    & skf18("3","7","10","10","1","7","1") = "9"
    & skf18("3","7","10","10","1","8","1") = "9"
    & skf18("3","7","10","10","1","9","1") = "9"
    & skf18("3","7","10","10","1","10","1") = "9"
    & skf18("3","7","10","10","2","1","1") = "9"
    & skf18("3","7","10","10","2","2","1") = "9"
    & skf18("3","7","10","10","2","3","1") = "9"
    & skf18("3","7","10","10","2","4","1") = "9"
    & skf18("3","7","10","10","2","5","1") = "9"
    & skf18("3","7","10","10","2","6","1") = "9"
    & skf18("3","7","10","10","2","7","1") = "9"
    & skf18("3","7","10","10","2","8","1") = "9"
    & skf18("3","7","10","10","2","9","1") = "9"
    & skf18("3","7","10","10","2","10","1") = "9"
    & skf18("3","7","10","10","3","1","1") = "9"
    & skf18("3","7","10","10","3","2","1") = "9"
    & skf18("3","7","10","10","3","3","1") = "9"
    & skf18("3","7","10","10","3","4","1") = "9"
    & skf18("3","7","10","10","3","5","1") = "9"
    & skf18("3","7","10","10","3","6","1") = "9"
    & skf18("3","7","10","10","3","7","1") = "9"
    & skf18("3","7","10","10","3","8","1") = "9"
    & skf18("3","7","10","10","3","9","1") = "9"
    & skf18("3","7","10","10","3","10","1") = "9"
    & skf18("3","7","10","10","4","1","1") = "9"
    & skf18("3","7","10","10","4","2","1") = "9"
    & skf18("3","7","10","10","4","3","1") = "9"
    & skf18("3","7","10","10","4","4","1") = "9"
    & skf18("3","7","10","10","4","5","1") = "9"
    & skf18("3","7","10","10","4","6","1") = "9"
    & skf18("3","7","10","10","4","7","1") = "9"
    & skf18("3","7","10","10","4","8","1") = "9"
    & skf18("3","7","10","10","4","9","1") = "9"
    & skf18("3","7","10","10","4","10","1") = "9"
    & skf18("3","7","10","10","5","1","1") = "9"
    & skf18("3","7","10","10","5","2","1") = "9"
    & skf18("3","7","10","10","5","3","1") = "9"
    & skf18("3","7","10","10","5","4","1") = "9"
    & skf18("3","7","10","10","5","5","1") = "9"
    & skf18("3","7","10","10","5","6","1") = "9"
    & skf18("3","7","10","10","5","7","1") = "9"
    & skf18("3","7","10","10","5","8","1") = "9"
    & skf18("3","7","10","10","5","9","1") = "9"
    & skf18("3","7","10","10","5","10","1") = "9"
    & skf18("3","7","10","10","6","1","1") = "9"
    & skf18("3","7","10","10","6","2","1") = "9"
    & skf18("3","7","10","10","6","3","1") = "9"
    & skf18("3","7","10","10","6","4","1") = "9"
    & skf18("3","7","10","10","6","5","1") = "9"
    & skf18("3","7","10","10","6","6","1") = "9"
    & skf18("3","7","10","10","6","7","1") = "9"
    & skf18("3","7","10","10","6","8","1") = "9"
    & skf18("3","7","10","10","6","9","1") = "9"
    & skf18("3","7","10","10","6","10","1") = "9"
    & skf18("3","7","10","10","7","1","1") = "9"
    & skf18("3","7","10","10","7","2","1") = "9"
    & skf18("3","7","10","10","7","3","1") = "9"
    & skf18("3","7","10","10","7","4","1") = "9"
    & skf18("3","7","10","10","7","5","1") = "9"
    & skf18("3","7","10","10","7","6","1") = "9"
    & skf18("3","7","10","10","7","7","1") = "9"
    & skf18("3","7","10","10","7","8","1") = "9"
    & skf18("3","7","10","10","7","9","1") = "9"
    & skf18("3","7","10","10","7","10","1") = "9"
    & skf18("3","7","10","10","8","1","1") = "9"
    & skf18("3","7","10","10","8","2","1") = "9"
    & skf18("3","7","10","10","8","3","1") = "9"
    & skf18("3","7","10","10","8","4","1") = "9"
    & skf18("3","7","10","10","8","5","1") = "9"
    & skf18("3","7","10","10","8","6","1") = "9"
    & skf18("3","7","10","10","8","7","1") = "9"
    & skf18("3","7","10","10","8","8","1") = "9"
    & skf18("3","7","10","10","8","9","1") = "9"
    & skf18("3","7","10","10","8","10","1") = "9"
    & skf18("3","7","10","10","9","1","1") = "9"
    & skf18("3","7","10","10","9","2","1") = "9"
    & skf18("3","7","10","10","9","3","1") = "9"
    & skf18("3","7","10","10","9","4","1") = "9"
    & skf18("3","7","10","10","9","5","1") = "9"
    & skf18("3","7","10","10","9","6","1") = "9"
    & skf18("3","7","10","10","9","7","1") = "9"
    & skf18("3","7","10","10","9","8","1") = "9"
    & skf18("3","7","10","10","9","9","1") = "9"
    & skf18("3","7","10","10","9","10","1") = "9"
    & skf18("3","7","10","10","10","1","1") = "9"
    & skf18("3","7","10","10","10","2","1") = "9"
    & skf18("3","7","10","10","10","3","1") = "9"
    & skf18("3","7","10","10","10","4","1") = "9"
    & skf18("3","7","10","10","10","5","1") = "9"
    & skf18("3","7","10","10","10","6","1") = "9"
    & skf18("3","7","10","10","10","7","1") = "9"
    & skf18("3","7","10","10","10","8","1") = "9"
    & skf18("3","7","10","10","10","9","1") = "9"
    & skf18("3","7","10","10","10","10","1") = "9"
    & skf18("3","8","1","1","1","1","1") = "7"
    & skf18("3","8","1","1","1","2","1") = "7"
    & skf18("3","8","1","1","1","3","1") = "7"
    & skf18("3","8","1","1","1","4","1") = "7"
    & skf18("3","8","1","1","1","5","1") = "7"
    & skf18("3","8","1","1","1","6","1") = "7"
    & skf18("3","8","1","1","1","7","1") = "7"
    & skf18("3","8","1","1","1","8","1") = "7"
    & skf18("3","8","1","1","1","9","1") = "8"
    & skf18("3","8","1","1","1","10","1") = "9"
    & skf18("3","8","1","1","2","1","1") = "7"
    & skf18("3","8","1","1","2","2","1") = "7"
    & skf18("3","8","1","1","2","3","1") = "7"
    & skf18("3","8","1","1","2","4","1") = "7"
    & skf18("3","8","1","1","2","5","1") = "7"
    & skf18("3","8","1","1","2","6","1") = "7"
    & skf18("3","8","1","1","2","7","1") = "7"
    & skf18("3","8","1","1","2","8","1") = "7"
    & skf18("3","8","1","1","2","9","1") = "8"
    & skf18("3","8","1","1","2","10","1") = "9"
    & skf18("3","8","1","1","3","1","1") = "7"
    & skf18("3","8","1","1","3","2","1") = "7"
    & skf18("3","8","1","1","3","3","1") = "7"
    & skf18("3","8","1","1","3","4","1") = "7"
    & skf18("3","8","1","1","3","5","1") = "7"
    & skf18("3","8","1","1","3","6","1") = "7"
    & skf18("3","8","1","1","3","7","1") = "7"
    & skf18("3","8","1","1","3","8","1") = "7"
    & skf18("3","8","1","1","3","9","1") = "8"
    & skf18("3","8","1","1","3","10","1") = "9"
    & skf18("3","8","1","1","4","1","1") = "7"
    & skf18("3","8","1","1","4","2","1") = "7"
    & skf18("3","8","1","1","4","3","1") = "7"
    & skf18("3","8","1","1","4","4","1") = "7"
    & skf18("3","8","1","1","4","5","1") = "7"
    & skf18("3","8","1","1","4","6","1") = "7"
    & skf18("3","8","1","1","4","7","1") = "7"
    & skf18("3","8","1","1","4","8","1") = "7"
    & skf18("3","8","1","1","4","9","1") = "8"
    & skf18("3","8","1","1","4","10","1") = "9"
    & skf18("3","8","1","1","5","1","1") = "7"
    & skf18("3","8","1","1","5","2","1") = "7"
    & skf18("3","8","1","1","5","3","1") = "7"
    & skf18("3","8","1","1","5","4","1") = "7"
    & skf18("3","8","1","1","5","5","1") = "7"
    & skf18("3","8","1","1","5","6","1") = "7"
    & skf18("3","8","1","1","5","7","1") = "7"
    & skf18("3","8","1","1","5","8","1") = "7"
    & skf18("3","8","1","1","5","9","1") = "8"
    & skf18("3","8","1","1","5","10","1") = "9"
    & skf18("3","8","1","1","6","1","1") = "7"
    & skf18("3","8","1","1","6","2","1") = "7"
    & skf18("3","8","1","1","6","3","1") = "7"
    & skf18("3","8","1","1","6","4","1") = "7"
    & skf18("3","8","1","1","6","5","1") = "7"
    & skf18("3","8","1","1","6","6","1") = "7"
    & skf18("3","8","1","1","6","7","1") = "7"
    & skf18("3","8","1","1","6","8","1") = "7"
    & skf18("3","8","1","1","6","9","1") = "8"
    & skf18("3","8","1","1","6","10","1") = "9"
    & skf18("3","8","1","1","7","1","1") = "7"
    & skf18("3","8","1","1","7","2","1") = "7"
    & skf18("3","8","1","1","7","3","1") = "7"
    & skf18("3","8","1","1","7","4","1") = "7"
    & skf18("3","8","1","1","7","5","1") = "7"
    & skf18("3","8","1","1","7","6","1") = "7"
    & skf18("3","8","1","1","7","7","1") = "7"
    & skf18("3","8","1","1","7","8","1") = "7"
    & skf18("3","8","1","1","7","9","1") = "8"
    & skf18("3","8","1","1","7","10","1") = "9"
    & skf18("3","8","1","1","8","1","1") = "7"
    & skf18("3","8","1","1","8","2","1") = "7"
    & skf18("3","8","1","1","8","3","1") = "7"
    & skf18("3","8","1","1","8","4","1") = "7"
    & skf18("3","8","1","1","8","5","1") = "7"
    & skf18("3","8","1","1","8","6","1") = "7"
    & skf18("3","8","1","1","8","7","1") = "7"
    & skf18("3","8","1","1","8","8","1") = "7"
    & skf18("3","8","1","1","8","9","1") = "8"
    & skf18("3","8","1","1","8","10","1") = "9"
    & skf18("3","8","1","1","9","1","1") = "8"
    & skf18("3","8","1","1","9","2","1") = "8"
    & skf18("3","8","1","1","9","3","1") = "8"
    & skf18("3","8","1","1","9","4","1") = "8"
    & skf18("3","8","1","1","9","5","1") = "8"
    & skf18("3","8","1","1","9","6","1") = "8"
    & skf18("3","8","1","1","9","7","1") = "8"
    & skf18("3","8","1","1","9","8","1") = "8"
    & skf18("3","8","1","1","9","9","1") = "8"
    & skf18("3","8","1","1","9","10","1") = "9"
    & skf18("3","8","1","1","10","1","1") = "9"
    & skf18("3","8","1","1","10","2","1") = "9"
    & skf18("3","8","1","1","10","3","1") = "9"
    & skf18("3","8","1","1","10","4","1") = "9"
    & skf18("3","8","1","1","10","5","1") = "9"
    & skf18("3","8","1","1","10","6","1") = "9"
    & skf18("3","8","1","1","10","7","1") = "9"
    & skf18("3","8","1","1","10","8","1") = "9"
    & skf18("3","8","1","1","10","9","1") = "9"
    & skf18("3","8","1","1","10","10","1") = "9"
    & skf18("3","8","1","2","1","1","1") = "7"
    & skf18("3","8","1","2","1","2","1") = "7"
    & skf18("3","8","1","2","1","3","1") = "7"
    & skf18("3","8","1","2","1","4","1") = "7"
    & skf18("3","8","1","2","1","5","1") = "7"
    & skf18("3","8","1","2","1","6","1") = "7"
    & skf18("3","8","1","2","1","7","1") = "7"
    & skf18("3","8","1","2","1","8","1") = "7"
    & skf18("3","8","1","2","1","9","1") = "8"
    & skf18("3","8","1","2","1","10","1") = "9"
    & skf18("3","8","1","2","2","1","1") = "7"
    & skf18("3","8","1","2","2","2","1") = "7"
    & skf18("3","8","1","2","2","3","1") = "7"
    & skf18("3","8","1","2","2","4","1") = "7"
    & skf18("3","8","1","2","2","5","1") = "7"
    & skf18("3","8","1","2","2","6","1") = "7"
    & skf18("3","8","1","2","2","7","1") = "7"
    & skf18("3","8","1","2","2","8","1") = "7"
    & skf18("3","8","1","2","2","9","1") = "8"
    & skf18("3","8","1","2","2","10","1") = "9"
    & skf18("3","8","1","2","3","1","1") = "7"
    & skf18("3","8","1","2","3","2","1") = "7"
    & skf18("3","8","1","2","3","3","1") = "7"
    & skf18("3","8","1","2","3","4","1") = "7"
    & skf18("3","8","1","2","3","5","1") = "7"
    & skf18("3","8","1","2","3","6","1") = "7"
    & skf18("3","8","1","2","3","7","1") = "7"
    & skf18("3","8","1","2","3","8","1") = "7"
    & skf18("3","8","1","2","3","9","1") = "8"
    & skf18("3","8","1","2","3","10","1") = "9"
    & skf18("3","8","1","2","4","1","1") = "7"
    & skf18("3","8","1","2","4","2","1") = "7"
    & skf18("3","8","1","2","4","3","1") = "7"
    & skf18("3","8","1","2","4","4","1") = "7"
    & skf18("3","8","1","2","4","5","1") = "7"
    & skf18("3","8","1","2","4","6","1") = "7"
    & skf18("3","8","1","2","4","7","1") = "7"
    & skf18("3","8","1","2","4","8","1") = "7"
    & skf18("3","8","1","2","4","9","1") = "8"
    & skf18("3","8","1","2","4","10","1") = "9"
    & skf18("3","8","1","2","5","1","1") = "7"
    & skf18("3","8","1","2","5","2","1") = "7"
    & skf18("3","8","1","2","5","3","1") = "7"
    & skf18("3","8","1","2","5","4","1") = "7"
    & skf18("3","8","1","2","5","5","1") = "7"
    & skf18("3","8","1","2","5","6","1") = "7"
    & skf18("3","8","1","2","5","7","1") = "7"
    & skf18("3","8","1","2","5","8","1") = "7"
    & skf18("3","8","1","2","5","9","1") = "8"
    & skf18("3","8","1","2","5","10","1") = "9"
    & skf18("3","8","1","2","6","1","1") = "7"
    & skf18("3","8","1","2","6","2","1") = "7"
    & skf18("3","8","1","2","6","3","1") = "7"
    & skf18("3","8","1","2","6","4","1") = "7"
    & skf18("3","8","1","2","6","5","1") = "7"
    & skf18("3","8","1","2","6","6","1") = "7"
    & skf18("3","8","1","2","6","7","1") = "7"
    & skf18("3","8","1","2","6","8","1") = "7"
    & skf18("3","8","1","2","6","9","1") = "8"
    & skf18("3","8","1","2","6","10","1") = "9"
    & skf18("3","8","1","2","7","1","1") = "7"
    & skf18("3","8","1","2","7","2","1") = "7"
    & skf18("3","8","1","2","7","3","1") = "7"
    & skf18("3","8","1","2","7","4","1") = "7"
    & skf18("3","8","1","2","7","5","1") = "7"
    & skf18("3","8","1","2","7","6","1") = "7"
    & skf18("3","8","1","2","7","7","1") = "7"
    & skf18("3","8","1","2","7","8","1") = "7"
    & skf18("3","8","1","2","7","9","1") = "8"
    & skf18("3","8","1","2","7","10","1") = "9"
    & skf18("3","8","1","2","8","1","1") = "7"
    & skf18("3","8","1","2","8","2","1") = "7"
    & skf18("3","8","1","2","8","3","1") = "7"
    & skf18("3","8","1","2","8","4","1") = "7"
    & skf18("3","8","1","2","8","5","1") = "7"
    & skf18("3","8","1","2","8","6","1") = "7"
    & skf18("3","8","1","2","8","7","1") = "7"
    & skf18("3","8","1","2","8","8","1") = "7"
    & skf18("3","8","1","2","8","9","1") = "8"
    & skf18("3","8","1","2","8","10","1") = "9"
    & skf18("3","8","1","2","9","1","1") = "8"
    & skf18("3","8","1","2","9","2","1") = "8"
    & skf18("3","8","1","2","9","3","1") = "8"
    & skf18("3","8","1","2","9","4","1") = "8"
    & skf18("3","8","1","2","9","5","1") = "8"
    & skf18("3","8","1","2","9","6","1") = "8"
    & skf18("3","8","1","2","9","7","1") = "8"
    & skf18("3","8","1","2","9","8","1") = "8"
    & skf18("3","8","1","2","9","9","1") = "8"
    & skf18("3","8","1","2","9","10","1") = "9"
    & skf18("3","8","1","2","10","1","1") = "9"
    & skf18("3","8","1","2","10","2","1") = "9"
    & skf18("3","8","1","2","10","3","1") = "9"
    & skf18("3","8","1","2","10","4","1") = "9"
    & skf18("3","8","1","2","10","5","1") = "9"
    & skf18("3","8","1","2","10","6","1") = "9"
    & skf18("3","8","1","2","10","7","1") = "9"
    & skf18("3","8","1","2","10","8","1") = "9"
    & skf18("3","8","1","2","10","9","1") = "9"
    & skf18("3","8","1","2","10","10","1") = "9"
    & skf18("3","8","1","3","1","1","1") = "7"
    & skf18("3","8","1","3","1","2","1") = "7"
    & skf18("3","8","1","3","1","3","1") = "7"
    & skf18("3","8","1","3","1","4","1") = "7"
    & skf18("3","8","1","3","1","5","1") = "7"
    & skf18("3","8","1","3","1","6","1") = "7"
    & skf18("3","8","1","3","1","7","1") = "7"
    & skf18("3","8","1","3","1","8","1") = "7"
    & skf18("3","8","1","3","1","9","1") = "8"
    & skf18("3","8","1","3","1","10","1") = "9"
    & skf18("3","8","1","3","2","1","1") = "7"
    & skf18("3","8","1","3","2","2","1") = "7"
    & skf18("3","8","1","3","2","3","1") = "7"
    & skf18("3","8","1","3","2","4","1") = "7"
    & skf18("3","8","1","3","2","5","1") = "7"
    & skf18("3","8","1","3","2","6","1") = "7"
    & skf18("3","8","1","3","2","7","1") = "7"
    & skf18("3","8","1","3","2","8","1") = "7"
    & skf18("3","8","1","3","2","9","1") = "8"
    & skf18("3","8","1","3","2","10","1") = "9"
    & skf18("3","8","1","3","3","1","1") = "7"
    & skf18("3","8","1","3","3","2","1") = "7"
    & skf18("3","8","1","3","3","3","1") = "7"
    & skf18("3","8","1","3","3","4","1") = "7"
    & skf18("3","8","1","3","3","5","1") = "7"
    & skf18("3","8","1","3","3","6","1") = "7"
    & skf18("3","8","1","3","3","7","1") = "7"
    & skf18("3","8","1","3","3","8","1") = "7"
    & skf18("3","8","1","3","3","9","1") = "8"
    & skf18("3","8","1","3","3","10","1") = "9"
    & skf18("3","8","1","3","4","1","1") = "7"
    & skf18("3","8","1","3","4","2","1") = "7"
    & skf18("3","8","1","3","4","3","1") = "7"
    & skf18("3","8","1","3","4","4","1") = "7"
    & skf18("3","8","1","3","4","5","1") = "7"
    & skf18("3","8","1","3","4","6","1") = "7"
    & skf18("3","8","1","3","4","7","1") = "7"
    & skf18("3","8","1","3","4","8","1") = "7"
    & skf18("3","8","1","3","4","9","1") = "8"
    & skf18("3","8","1","3","4","10","1") = "9"
    & skf18("3","8","1","3","5","1","1") = "7"
    & skf18("3","8","1","3","5","2","1") = "7"
    & skf18("3","8","1","3","5","3","1") = "7"
    & skf18("3","8","1","3","5","4","1") = "7"
    & skf18("3","8","1","3","5","5","1") = "7"
    & skf18("3","8","1","3","5","6","1") = "7"
    & skf18("3","8","1","3","5","7","1") = "7"
    & skf18("3","8","1","3","5","8","1") = "7"
    & skf18("3","8","1","3","5","9","1") = "8"
    & skf18("3","8","1","3","5","10","1") = "9"
    & skf18("3","8","1","3","6","1","1") = "7"
    & skf18("3","8","1","3","6","2","1") = "7"
    & skf18("3","8","1","3","6","3","1") = "7"
    & skf18("3","8","1","3","6","4","1") = "7"
    & skf18("3","8","1","3","6","5","1") = "7"
    & skf18("3","8","1","3","6","6","1") = "7"
    & skf18("3","8","1","3","6","7","1") = "7"
    & skf18("3","8","1","3","6","8","1") = "7"
    & skf18("3","8","1","3","6","9","1") = "8"
    & skf18("3","8","1","3","6","10","1") = "9"
    & skf18("3","8","1","3","7","1","1") = "7"
    & skf18("3","8","1","3","7","2","1") = "7"
    & skf18("3","8","1","3","7","3","1") = "7"
    & skf18("3","8","1","3","7","4","1") = "7"
    & skf18("3","8","1","3","7","5","1") = "7"
    & skf18("3","8","1","3","7","6","1") = "7"
    & skf18("3","8","1","3","7","7","1") = "7"
    & skf18("3","8","1","3","7","8","1") = "7"
    & skf18("3","8","1","3","7","9","1") = "8"
    & skf18("3","8","1","3","7","10","1") = "9"
    & skf18("3","8","1","3","8","1","1") = "7"
    & skf18("3","8","1","3","8","2","1") = "7"
    & skf18("3","8","1","3","8","3","1") = "7"
    & skf18("3","8","1","3","8","4","1") = "7"
    & skf18("3","8","1","3","8","5","1") = "7"
    & skf18("3","8","1","3","8","6","1") = "7"
    & skf18("3","8","1","3","8","7","1") = "7"
    & skf18("3","8","1","3","8","8","1") = "7"
    & skf18("3","8","1","3","8","9","1") = "8"
    & skf18("3","8","1","3","8","10","1") = "9"
    & skf18("3","8","1","3","9","1","1") = "8"
    & skf18("3","8","1","3","9","2","1") = "8"
    & skf18("3","8","1","3","9","3","1") = "8"
    & skf18("3","8","1","3","9","4","1") = "8"
    & skf18("3","8","1","3","9","5","1") = "8"
    & skf18("3","8","1","3","9","6","1") = "8"
    & skf18("3","8","1","3","9","7","1") = "8"
    & skf18("3","8","1","3","9","8","1") = "8"
    & skf18("3","8","1","3","9","9","1") = "8"
    & skf18("3","8","1","3","9","10","1") = "9"
    & skf18("3","8","1","3","10","1","1") = "9"
    & skf18("3","8","1","3","10","2","1") = "9"
    & skf18("3","8","1","3","10","3","1") = "9"
    & skf18("3","8","1","3","10","4","1") = "9"
    & skf18("3","8","1","3","10","5","1") = "9"
    & skf18("3","8","1","3","10","6","1") = "9"
    & skf18("3","8","1","3","10","7","1") = "9"
    & skf18("3","8","1","3","10","8","1") = "9"
    & skf18("3","8","1","3","10","9","1") = "9"
    & skf18("3","8","1","3","10","10","1") = "9"
    & skf18("3","8","1","4","1","1","1") = "7"
    & skf18("3","8","1","4","1","2","1") = "7"
    & skf18("3","8","1","4","1","3","1") = "7"
    & skf18("3","8","1","4","1","4","1") = "7"
    & skf18("3","8","1","4","1","5","1") = "7"
    & skf18("3","8","1","4","1","6","1") = "7"
    & skf18("3","8","1","4","1","7","1") = "7"
    & skf18("3","8","1","4","1","8","1") = "7"
    & skf18("3","8","1","4","1","9","1") = "8"
    & skf18("3","8","1","4","1","10","1") = "9"
    & skf18("3","8","1","4","2","1","1") = "7"
    & skf18("3","8","1","4","2","2","1") = "7"
    & skf18("3","8","1","4","2","3","1") = "7"
    & skf18("3","8","1","4","2","4","1") = "7"
    & skf18("3","8","1","4","2","5","1") = "7"
    & skf18("3","8","1","4","2","6","1") = "7"
    & skf18("3","8","1","4","2","7","1") = "7"
    & skf18("3","8","1","4","2","8","1") = "7"
    & skf18("3","8","1","4","2","9","1") = "8"
    & skf18("3","8","1","4","2","10","1") = "9"
    & skf18("3","8","1","4","3","1","1") = "7"
    & skf18("3","8","1","4","3","2","1") = "7"
    & skf18("3","8","1","4","3","3","1") = "7"
    & skf18("3","8","1","4","3","4","1") = "7"
    & skf18("3","8","1","4","3","5","1") = "7"
    & skf18("3","8","1","4","3","6","1") = "7"
    & skf18("3","8","1","4","3","7","1") = "7"
    & skf18("3","8","1","4","3","8","1") = "7"
    & skf18("3","8","1","4","3","9","1") = "8"
    & skf18("3","8","1","4","3","10","1") = "9"
    & skf18("3","8","1","4","4","1","1") = "7"
    & skf18("3","8","1","4","4","2","1") = "7"
    & skf18("3","8","1","4","4","3","1") = "7"
    & skf18("3","8","1","4","4","4","1") = "7"
    & skf18("3","8","1","4","4","5","1") = "7"
    & skf18("3","8","1","4","4","6","1") = "7"
    & skf18("3","8","1","4","4","7","1") = "7"
    & skf18("3","8","1","4","4","8","1") = "7"
    & skf18("3","8","1","4","4","9","1") = "8"
    & skf18("3","8","1","4","4","10","1") = "9"
    & skf18("3","8","1","4","5","1","1") = "7"
    & skf18("3","8","1","4","5","2","1") = "7"
    & skf18("3","8","1","4","5","3","1") = "7"
    & skf18("3","8","1","4","5","4","1") = "7"
    & skf18("3","8","1","4","5","5","1") = "7"
    & skf18("3","8","1","4","5","6","1") = "7"
    & skf18("3","8","1","4","5","7","1") = "7"
    & skf18("3","8","1","4","5","8","1") = "7"
    & skf18("3","8","1","4","5","9","1") = "8"
    & skf18("3","8","1","4","5","10","1") = "9"
    & skf18("3","8","1","4","6","1","1") = "7"
    & skf18("3","8","1","4","6","2","1") = "7"
    & skf18("3","8","1","4","6","3","1") = "7"
    & skf18("3","8","1","4","6","4","1") = "7"
    & skf18("3","8","1","4","6","5","1") = "7"
    & skf18("3","8","1","4","6","6","1") = "7"
    & skf18("3","8","1","4","6","7","1") = "7"
    & skf18("3","8","1","4","6","8","1") = "7"
    & skf18("3","8","1","4","6","9","1") = "8"
    & skf18("3","8","1","4","6","10","1") = "9"
    & skf18("3","8","1","4","7","1","1") = "7"
    & skf18("3","8","1","4","7","2","1") = "7"
    & skf18("3","8","1","4","7","3","1") = "7"
    & skf18("3","8","1","4","7","4","1") = "7"
    & skf18("3","8","1","4","7","5","1") = "7"
    & skf18("3","8","1","4","7","6","1") = "7"
    & skf18("3","8","1","4","7","7","1") = "7"
    & skf18("3","8","1","4","7","8","1") = "7"
    & skf18("3","8","1","4","7","9","1") = "8"
    & skf18("3","8","1","4","7","10","1") = "9"
    & skf18("3","8","1","4","8","1","1") = "7"
    & skf18("3","8","1","4","8","2","1") = "7"
    & skf18("3","8","1","4","8","3","1") = "7"
    & skf18("3","8","1","4","8","4","1") = "7"
    & skf18("3","8","1","4","8","5","1") = "7"
    & skf18("3","8","1","4","8","6","1") = "7"
    & skf18("3","8","1","4","8","7","1") = "7"
    & skf18("3","8","1","4","8","8","1") = "7"
    & skf18("3","8","1","4","8","9","1") = "8"
    & skf18("3","8","1","4","8","10","1") = "9"
    & skf18("3","8","1","4","9","1","1") = "8"
    & skf18("3","8","1","4","9","2","1") = "8"
    & skf18("3","8","1","4","9","3","1") = "8"
    & skf18("3","8","1","4","9","4","1") = "8"
    & skf18("3","8","1","4","9","5","1") = "8"
    & skf18("3","8","1","4","9","6","1") = "8"
    & skf18("3","8","1","4","9","7","1") = "8"
    & skf18("3","8","1","4","9","8","1") = "8"
    & skf18("3","8","1","4","9","9","1") = "8"
    & skf18("3","8","1","4","9","10","1") = "9"
    & skf18("3","8","1","4","10","1","1") = "9"
    & skf18("3","8","1","4","10","2","1") = "9"
    & skf18("3","8","1","4","10","3","1") = "9"
    & skf18("3","8","1","4","10","4","1") = "9"
    & skf18("3","8","1","4","10","5","1") = "9"
    & skf18("3","8","1","4","10","6","1") = "9"
    & skf18("3","8","1","4","10","7","1") = "9"
    & skf18("3","8","1","4","10","8","1") = "9"
    & skf18("3","8","1","4","10","9","1") = "9"
    & skf18("3","8","1","4","10","10","1") = "9"
    & skf18("3","8","1","5","1","1","1") = "7"
    & skf18("3","8","1","5","1","2","1") = "7"
    & skf18("3","8","1","5","1","3","1") = "7"
    & skf18("3","8","1","5","1","4","1") = "7"
    & skf18("3","8","1","5","1","5","1") = "7"
    & skf18("3","8","1","5","1","6","1") = "7"
    & skf18("3","8","1","5","1","7","1") = "7"
    & skf18("3","8","1","5","1","8","1") = "7"
    & skf18("3","8","1","5","1","9","1") = "8"
    & skf18("3","8","1","5","1","10","1") = "9"
    & skf18("3","8","1","5","2","1","1") = "7"
    & skf18("3","8","1","5","2","2","1") = "7"
    & skf18("3","8","1","5","2","3","1") = "7"
    & skf18("3","8","1","5","2","4","1") = "7"
    & skf18("3","8","1","5","2","5","1") = "7"
    & skf18("3","8","1","5","2","6","1") = "7"
    & skf18("3","8","1","5","2","7","1") = "7"
    & skf18("3","8","1","5","2","8","1") = "7"
    & skf18("3","8","1","5","2","9","1") = "8"
    & skf18("3","8","1","5","2","10","1") = "9"
    & skf18("3","8","1","5","3","1","1") = "7"
    & skf18("3","8","1","5","3","2","1") = "7"
    & skf18("3","8","1","5","3","3","1") = "7"
    & skf18("3","8","1","5","3","4","1") = "7"
    & skf18("3","8","1","5","3","5","1") = "7"
    & skf18("3","8","1","5","3","6","1") = "7"
    & skf18("3","8","1","5","3","7","1") = "7"
    & skf18("3","8","1","5","3","8","1") = "7"
    & skf18("3","8","1","5","3","9","1") = "8"
    & skf18("3","8","1","5","3","10","1") = "9"
    & skf18("3","8","1","5","4","1","1") = "7"
    & skf18("3","8","1","5","4","2","1") = "7"
    & skf18("3","8","1","5","4","3","1") = "7"
    & skf18("3","8","1","5","4","4","1") = "7"
    & skf18("3","8","1","5","4","5","1") = "7"
    & skf18("3","8","1","5","4","6","1") = "7"
    & skf18("3","8","1","5","4","7","1") = "7"
    & skf18("3","8","1","5","4","8","1") = "7"
    & skf18("3","8","1","5","4","9","1") = "8"
    & skf18("3","8","1","5","4","10","1") = "9"
    & skf18("3","8","1","5","5","1","1") = "7"
    & skf18("3","8","1","5","5","2","1") = "7"
    & skf18("3","8","1","5","5","3","1") = "7"
    & skf18("3","8","1","5","5","4","1") = "7"
    & skf18("3","8","1","5","5","5","1") = "7"
    & skf18("3","8","1","5","5","6","1") = "7"
    & skf18("3","8","1","5","5","7","1") = "7"
    & skf18("3","8","1","5","5","8","1") = "7"
    & skf18("3","8","1","5","5","9","1") = "8"
    & skf18("3","8","1","5","5","10","1") = "9"
    & skf18("3","8","1","5","6","1","1") = "7"
    & skf18("3","8","1","5","6","2","1") = "7"
    & skf18("3","8","1","5","6","3","1") = "7"
    & skf18("3","8","1","5","6","4","1") = "7"
    & skf18("3","8","1","5","6","5","1") = "7"
    & skf18("3","8","1","5","6","6","1") = "7"
    & skf18("3","8","1","5","6","7","1") = "7"
    & skf18("3","8","1","5","6","8","1") = "7"
    & skf18("3","8","1","5","6","9","1") = "8"
    & skf18("3","8","1","5","6","10","1") = "9"
    & skf18("3","8","1","5","7","1","1") = "7"
    & skf18("3","8","1","5","7","2","1") = "7"
    & skf18("3","8","1","5","7","3","1") = "7"
    & skf18("3","8","1","5","7","4","1") = "7"
    & skf18("3","8","1","5","7","5","1") = "7"
    & skf18("3","8","1","5","7","6","1") = "7"
    & skf18("3","8","1","5","7","7","1") = "7"
    & skf18("3","8","1","5","7","8","1") = "7"
    & skf18("3","8","1","5","7","9","1") = "8"
    & skf18("3","8","1","5","7","10","1") = "9"
    & skf18("3","8","1","5","8","1","1") = "7"
    & skf18("3","8","1","5","8","2","1") = "7"
    & skf18("3","8","1","5","8","3","1") = "7"
    & skf18("3","8","1","5","8","4","1") = "7"
    & skf18("3","8","1","5","8","5","1") = "7"
    & skf18("3","8","1","5","8","6","1") = "7"
    & skf18("3","8","1","5","8","7","1") = "7"
    & skf18("3","8","1","5","8","8","1") = "7"
    & skf18("3","8","1","5","8","9","1") = "8"
    & skf18("3","8","1","5","8","10","1") = "9"
    & skf18("3","8","1","5","9","1","1") = "8"
    & skf18("3","8","1","5","9","2","1") = "8"
    & skf18("3","8","1","5","9","3","1") = "8"
    & skf18("3","8","1","5","9","4","1") = "8"
    & skf18("3","8","1","5","9","5","1") = "8"
    & skf18("3","8","1","5","9","6","1") = "8"
    & skf18("3","8","1","5","9","7","1") = "8"
    & skf18("3","8","1","5","9","8","1") = "8"
    & skf18("3","8","1","5","9","9","1") = "8"
    & skf18("3","8","1","5","9","10","1") = "9"
    & skf18("3","8","1","5","10","1","1") = "9"
    & skf18("3","8","1","5","10","2","1") = "9"
    & skf18("3","8","1","5","10","3","1") = "9"
    & skf18("3","8","1","5","10","4","1") = "9"
    & skf18("3","8","1","5","10","5","1") = "9"
    & skf18("3","8","1","5","10","6","1") = "9"
    & skf18("3","8","1","5","10","7","1") = "9"
    & skf18("3","8","1","5","10","8","1") = "9"
    & skf18("3","8","1","5","10","9","1") = "9"
    & skf18("3","8","1","5","10","10","1") = "9"
    & skf18("3","8","1","6","1","1","1") = "7"
    & skf18("3","8","1","6","1","2","1") = "7"
    & skf18("3","8","1","6","1","3","1") = "7"
    & skf18("3","8","1","6","1","4","1") = "7"
    & skf18("3","8","1","6","1","5","1") = "7"
    & skf18("3","8","1","6","1","6","1") = "7"
    & skf18("3","8","1","6","1","7","1") = "7"
    & skf18("3","8","1","6","1","8","1") = "7"
    & skf18("3","8","1","6","1","9","1") = "8"
    & skf18("3","8","1","6","1","10","1") = "9"
    & skf18("3","8","1","6","2","1","1") = "7"
    & skf18("3","8","1","6","2","2","1") = "7"
    & skf18("3","8","1","6","2","3","1") = "7"
    & skf18("3","8","1","6","2","4","1") = "7"
    & skf18("3","8","1","6","2","5","1") = "7"
    & skf18("3","8","1","6","2","6","1") = "7"
    & skf18("3","8","1","6","2","7","1") = "7"
    & skf18("3","8","1","6","2","8","1") = "7"
    & skf18("3","8","1","6","2","9","1") = "8"
    & skf18("3","8","1","6","2","10","1") = "9"
    & skf18("3","8","1","6","3","1","1") = "7"
    & skf18("3","8","1","6","3","2","1") = "7"
    & skf18("3","8","1","6","3","3","1") = "7"
    & skf18("3","8","1","6","3","4","1") = "7"
    & skf18("3","8","1","6","3","5","1") = "7"
    & skf18("3","8","1","6","3","6","1") = "7"
    & skf18("3","8","1","6","3","7","1") = "7"
    & skf18("3","8","1","6","3","8","1") = "7"
    & skf18("3","8","1","6","3","9","1") = "8"
    & skf18("3","8","1","6","3","10","1") = "9"
    & skf18("3","8","1","6","4","1","1") = "7"
    & skf18("3","8","1","6","4","2","1") = "7"
    & skf18("3","8","1","6","4","3","1") = "7"
    & skf18("3","8","1","6","4","4","1") = "7"
    & skf18("3","8","1","6","4","5","1") = "7"
    & skf18("3","8","1","6","4","6","1") = "7"
    & skf18("3","8","1","6","4","7","1") = "7"
    & skf18("3","8","1","6","4","8","1") = "7"
    & skf18("3","8","1","6","4","9","1") = "8"
    & skf18("3","8","1","6","4","10","1") = "9"
    & skf18("3","8","1","6","5","1","1") = "7"
    & skf18("3","8","1","6","5","2","1") = "7"
    & skf18("3","8","1","6","5","3","1") = "7"
    & skf18("3","8","1","6","5","4","1") = "7"
    & skf18("3","8","1","6","5","5","1") = "7"
    & skf18("3","8","1","6","5","6","1") = "7"
    & skf18("3","8","1","6","5","7","1") = "7"
    & skf18("3","8","1","6","5","8","1") = "7"
    & skf18("3","8","1","6","5","9","1") = "8"
    & skf18("3","8","1","6","5","10","1") = "9"
    & skf18("3","8","1","6","6","1","1") = "7"
    & skf18("3","8","1","6","6","2","1") = "7"
    & skf18("3","8","1","6","6","3","1") = "7"
    & skf18("3","8","1","6","6","4","1") = "7"
    & skf18("3","8","1","6","6","5","1") = "7"
    & skf18("3","8","1","6","6","6","1") = "7"
    & skf18("3","8","1","6","6","7","1") = "7"
    & skf18("3","8","1","6","6","8","1") = "7"
    & skf18("3","8","1","6","6","9","1") = "8"
    & skf18("3","8","1","6","6","10","1") = "9"
    & skf18("3","8","1","6","7","1","1") = "7"
    & skf18("3","8","1","6","7","2","1") = "7"
    & skf18("3","8","1","6","7","3","1") = "7"
    & skf18("3","8","1","6","7","4","1") = "7"
    & skf18("3","8","1","6","7","5","1") = "7"
    & skf18("3","8","1","6","7","6","1") = "7"
    & skf18("3","8","1","6","7","7","1") = "7"
    & skf18("3","8","1","6","7","8","1") = "7"
    & skf18("3","8","1","6","7","9","1") = "8"
    & skf18("3","8","1","6","7","10","1") = "9"
    & skf18("3","8","1","6","8","1","1") = "7"
    & skf18("3","8","1","6","8","2","1") = "7"
    & skf18("3","8","1","6","8","3","1") = "7"
    & skf18("3","8","1","6","8","4","1") = "7"
    & skf18("3","8","1","6","8","5","1") = "7"
    & skf18("3","8","1","6","8","6","1") = "7"
    & skf18("3","8","1","6","8","7","1") = "7"
    & skf18("3","8","1","6","8","8","1") = "7"
    & skf18("3","8","1","6","8","9","1") = "8"
    & skf18("3","8","1","6","8","10","1") = "9"
    & skf18("3","8","1","6","9","1","1") = "8"
    & skf18("3","8","1","6","9","2","1") = "8"
    & skf18("3","8","1","6","9","3","1") = "8"
    & skf18("3","8","1","6","9","4","1") = "8"
    & skf18("3","8","1","6","9","5","1") = "8"
    & skf18("3","8","1","6","9","6","1") = "8"
    & skf18("3","8","1","6","9","7","1") = "8"
    & skf18("3","8","1","6","9","8","1") = "8"
    & skf18("3","8","1","6","9","9","1") = "8"
    & skf18("3","8","1","6","9","10","1") = "9"
    & skf18("3","8","1","6","10","1","1") = "9"
    & skf18("3","8","1","6","10","2","1") = "9"
    & skf18("3","8","1","6","10","3","1") = "9"
    & skf18("3","8","1","6","10","4","1") = "9"
    & skf18("3","8","1","6","10","5","1") = "9"
    & skf18("3","8","1","6","10","6","1") = "9"
    & skf18("3","8","1","6","10","7","1") = "9"
    & skf18("3","8","1","6","10","8","1") = "9"
    & skf18("3","8","1","6","10","9","1") = "9"
    & skf18("3","8","1","6","10","10","1") = "9"
    & skf18("3","8","1","7","1","1","1") = "7"
    & skf18("3","8","1","7","1","2","1") = "7"
    & skf18("3","8","1","7","1","3","1") = "7"
    & skf18("3","8","1","7","1","4","1") = "7"
    & skf18("3","8","1","7","1","5","1") = "7"
    & skf18("3","8","1","7","1","6","1") = "7"
    & skf18("3","8","1","7","1","7","1") = "7"
    & skf18("3","8","1","7","1","8","1") = "7"
    & skf18("3","8","1","7","1","9","1") = "8"
    & skf18("3","8","1","7","1","10","1") = "9"
    & skf18("3","8","1","7","2","1","1") = "7"
    & skf18("3","8","1","7","2","2","1") = "7"
    & skf18("3","8","1","7","2","3","1") = "7"
    & skf18("3","8","1","7","2","4","1") = "7"
    & skf18("3","8","1","7","2","5","1") = "7"
    & skf18("3","8","1","7","2","6","1") = "7"
    & skf18("3","8","1","7","2","7","1") = "7"
    & skf18("3","8","1","7","2","8","1") = "7"
    & skf18("3","8","1","7","2","9","1") = "8"
    & skf18("3","8","1","7","2","10","1") = "9"
    & skf18("3","8","1","7","3","1","1") = "7"
    & skf18("3","8","1","7","3","2","1") = "7"
    & skf18("3","8","1","7","3","3","1") = "7"
    & skf18("3","8","1","7","3","4","1") = "7"
    & skf18("3","8","1","7","3","5","1") = "7"
    & skf18("3","8","1","7","3","6","1") = "7"
    & skf18("3","8","1","7","3","7","1") = "7"
    & skf18("3","8","1","7","3","8","1") = "7"
    & skf18("3","8","1","7","3","9","1") = "8"
    & skf18("3","8","1","7","3","10","1") = "9"
    & skf18("3","8","1","7","4","1","1") = "7"
    & skf18("3","8","1","7","4","2","1") = "7"
    & skf18("3","8","1","7","4","3","1") = "7"
    & skf18("3","8","1","7","4","4","1") = "7"
    & skf18("3","8","1","7","4","5","1") = "7"
    & skf18("3","8","1","7","4","6","1") = "7"
    & skf18("3","8","1","7","4","7","1") = "7"
    & skf18("3","8","1","7","4","8","1") = "7"
    & skf18("3","8","1","7","4","9","1") = "8"
    & skf18("3","8","1","7","4","10","1") = "9"
    & skf18("3","8","1","7","5","1","1") = "7"
    & skf18("3","8","1","7","5","2","1") = "7"
    & skf18("3","8","1","7","5","3","1") = "7"
    & skf18("3","8","1","7","5","4","1") = "7"
    & skf18("3","8","1","7","5","5","1") = "7"
    & skf18("3","8","1","7","5","6","1") = "7"
    & skf18("3","8","1","7","5","7","1") = "7"
    & skf18("3","8","1","7","5","8","1") = "7"
    & skf18("3","8","1","7","5","9","1") = "8"
    & skf18("3","8","1","7","5","10","1") = "9"
    & skf18("3","8","1","7","6","1","1") = "7"
    & skf18("3","8","1","7","6","2","1") = "7"
    & skf18("3","8","1","7","6","3","1") = "7"
    & skf18("3","8","1","7","6","4","1") = "7"
    & skf18("3","8","1","7","6","5","1") = "7"
    & skf18("3","8","1","7","6","6","1") = "7"
    & skf18("3","8","1","7","6","7","1") = "7"
    & skf18("3","8","1","7","6","8","1") = "7"
    & skf18("3","8","1","7","6","9","1") = "8"
    & skf18("3","8","1","7","6","10","1") = "9"
    & skf18("3","8","1","7","7","1","1") = "7"
    & skf18("3","8","1","7","7","2","1") = "7"
    & skf18("3","8","1","7","7","3","1") = "7"
    & skf18("3","8","1","7","7","4","1") = "7"
    & skf18("3","8","1","7","7","5","1") = "7"
    & skf18("3","8","1","7","7","6","1") = "7"
    & skf18("3","8","1","7","7","7","1") = "7"
    & skf18("3","8","1","7","7","8","1") = "7"
    & skf18("3","8","1","7","7","9","1") = "8"
    & skf18("3","8","1","7","7","10","1") = "9"
    & skf18("3","8","1","7","8","1","1") = "7"
    & skf18("3","8","1","7","8","2","1") = "7"
    & skf18("3","8","1","7","8","3","1") = "7"
    & skf18("3","8","1","7","8","4","1") = "7"
    & skf18("3","8","1","7","8","5","1") = "7"
    & skf18("3","8","1","7","8","6","1") = "7"
    & skf18("3","8","1","7","8","7","1") = "7"
    & skf18("3","8","1","7","8","8","1") = "7"
    & skf18("3","8","1","7","8","9","1") = "8"
    & skf18("3","8","1","7","8","10","1") = "9"
    & skf18("3","8","1","7","9","1","1") = "8"
    & skf18("3","8","1","7","9","2","1") = "8"
    & skf18("3","8","1","7","9","3","1") = "8"
    & skf18("3","8","1","7","9","4","1") = "8"
    & skf18("3","8","1","7","9","5","1") = "8"
    & skf18("3","8","1","7","9","6","1") = "8"
    & skf18("3","8","1","7","9","7","1") = "8"
    & skf18("3","8","1","7","9","8","1") = "8"
    & skf18("3","8","1","7","9","9","1") = "8"
    & skf18("3","8","1","7","9","10","1") = "9"
    & skf18("3","8","1","7","10","1","1") = "9"
    & skf18("3","8","1","7","10","2","1") = "9"
    & skf18("3","8","1","7","10","3","1") = "9"
    & skf18("3","8","1","7","10","4","1") = "9"
    & skf18("3","8","1","7","10","5","1") = "9"
    & skf18("3","8","1","7","10","6","1") = "9"
    & skf18("3","8","1","7","10","7","1") = "9"
    & skf18("3","8","1","7","10","8","1") = "9"
    & skf18("3","8","1","7","10","9","1") = "9"
    & skf18("3","8","1","7","10","10","1") = "9"
    & skf18("3","8","1","8","1","1","1") = "7"
    & skf18("3","8","1","8","1","2","1") = "7"
    & skf18("3","8","1","8","1","3","1") = "7"
    & skf18("3","8","1","8","1","4","1") = "7"
    & skf18("3","8","1","8","1","5","1") = "7"
    & skf18("3","8","1","8","1","6","1") = "7"
    & skf18("3","8","1","8","1","7","1") = "7"
    & skf18("3","8","1","8","1","8","1") = "7"
    & skf18("3","8","1","8","1","9","1") = "8"
    & skf18("3","8","1","8","1","10","1") = "9"
    & skf18("3","8","1","8","2","1","1") = "7"
    & skf18("3","8","1","8","2","2","1") = "7"
    & skf18("3","8","1","8","2","3","1") = "7"
    & skf18("3","8","1","8","2","4","1") = "7"
    & skf18("3","8","1","8","2","5","1") = "7"
    & skf18("3","8","1","8","2","6","1") = "7"
    & skf18("3","8","1","8","2","7","1") = "7"
    & skf18("3","8","1","8","2","8","1") = "7"
    & skf18("3","8","1","8","2","9","1") = "8"
    & skf18("3","8","1","8","2","10","1") = "9"
    & skf18("3","8","1","8","3","1","1") = "7"
    & skf18("3","8","1","8","3","2","1") = "7"
    & skf18("3","8","1","8","3","3","1") = "7"
    & skf18("3","8","1","8","3","4","1") = "7"
    & skf18("3","8","1","8","3","5","1") = "7"
    & skf18("3","8","1","8","3","6","1") = "7"
    & skf18("3","8","1","8","3","7","1") = "7"
    & skf18("3","8","1","8","3","8","1") = "7"
    & skf18("3","8","1","8","3","9","1") = "8"
    & skf18("3","8","1","8","3","10","1") = "9"
    & skf18("3","8","1","8","4","1","1") = "7"
    & skf18("3","8","1","8","4","2","1") = "7"
    & skf18("3","8","1","8","4","3","1") = "7"
    & skf18("3","8","1","8","4","4","1") = "7"
    & skf18("3","8","1","8","4","5","1") = "7"
    & skf18("3","8","1","8","4","6","1") = "7"
    & skf18("3","8","1","8","4","7","1") = "7"
    & skf18("3","8","1","8","4","8","1") = "7"
    & skf18("3","8","1","8","4","9","1") = "8"
    & skf18("3","8","1","8","4","10","1") = "9"
    & skf18("3","8","1","8","5","1","1") = "7"
    & skf18("3","8","1","8","5","2","1") = "7"
    & skf18("3","8","1","8","5","3","1") = "7"
    & skf18("3","8","1","8","5","4","1") = "7"
    & skf18("3","8","1","8","5","5","1") = "7"
    & skf18("3","8","1","8","5","6","1") = "7"
    & skf18("3","8","1","8","5","7","1") = "7"
    & skf18("3","8","1","8","5","8","1") = "7"
    & skf18("3","8","1","8","5","9","1") = "8"
    & skf18("3","8","1","8","5","10","1") = "9"
    & skf18("3","8","1","8","6","1","1") = "7"
    & skf18("3","8","1","8","6","2","1") = "7"
    & skf18("3","8","1","8","6","3","1") = "7"
    & skf18("3","8","1","8","6","4","1") = "7"
    & skf18("3","8","1","8","6","5","1") = "7"
    & skf18("3","8","1","8","6","6","1") = "7"
    & skf18("3","8","1","8","6","7","1") = "7"
    & skf18("3","8","1","8","6","8","1") = "7"
    & skf18("3","8","1","8","6","9","1") = "8"
    & skf18("3","8","1","8","6","10","1") = "9"
    & skf18("3","8","1","8","7","1","1") = "7"
    & skf18("3","8","1","8","7","2","1") = "7"
    & skf18("3","8","1","8","7","3","1") = "7"
    & skf18("3","8","1","8","7","4","1") = "7"
    & skf18("3","8","1","8","7","5","1") = "7"
    & skf18("3","8","1","8","7","6","1") = "7"
    & skf18("3","8","1","8","7","7","1") = "7"
    & skf18("3","8","1","8","7","8","1") = "7"
    & skf18("3","8","1","8","7","9","1") = "8"
    & skf18("3","8","1","8","7","10","1") = "9"
    & skf18("3","8","1","8","8","1","1") = "7"
    & skf18("3","8","1","8","8","2","1") = "7"
    & skf18("3","8","1","8","8","3","1") = "7"
    & skf18("3","8","1","8","8","4","1") = "7"
    & skf18("3","8","1","8","8","5","1") = "7"
    & skf18("3","8","1","8","8","6","1") = "7"
    & skf18("3","8","1","8","8","7","1") = "7"
    & skf18("3","8","1","8","8","8","1") = "7"
    & skf18("3","8","1","8","8","9","1") = "8"
    & skf18("3","8","1","8","8","10","1") = "9"
    & skf18("3","8","1","8","9","1","1") = "8"
    & skf18("3","8","1","8","9","2","1") = "8"
    & skf18("3","8","1","8","9","3","1") = "8"
    & skf18("3","8","1","8","9","4","1") = "8"
    & skf18("3","8","1","8","9","5","1") = "8"
    & skf18("3","8","1","8","9","6","1") = "8"
    & skf18("3","8","1","8","9","7","1") = "8"
    & skf18("3","8","1","8","9","8","1") = "8"
    & skf18("3","8","1","8","9","9","1") = "8"
    & skf18("3","8","1","8","9","10","1") = "9"
    & skf18("3","8","1","8","10","1","1") = "9"
    & skf18("3","8","1","8","10","2","1") = "9"
    & skf18("3","8","1","8","10","3","1") = "9"
    & skf18("3","8","1","8","10","4","1") = "9"
    & skf18("3","8","1","8","10","5","1") = "9"
    & skf18("3","8","1","8","10","6","1") = "9"
    & skf18("3","8","1","8","10","7","1") = "9"
    & skf18("3","8","1","8","10","8","1") = "9"
    & skf18("3","8","1","8","10","9","1") = "9"
    & skf18("3","8","1","8","10","10","1") = "9"
    & skf18("3","8","1","9","1","1","1") = "8"
    & skf18("3","8","1","9","1","2","1") = "8"
    & skf18("3","8","1","9","1","3","1") = "8"
    & skf18("3","8","1","9","1","4","1") = "8"
    & skf18("3","8","1","9","1","5","1") = "8"
    & skf18("3","8","1","9","1","6","1") = "8"
    & skf18("3","8","1","9","1","7","1") = "8"
    & skf18("3","8","1","9","1","8","1") = "8"
    & skf18("3","8","1","9","1","9","1") = "8"
    & skf18("3","8","1","9","1","10","1") = "9"
    & skf18("3","8","1","9","2","1","1") = "8"
    & skf18("3","8","1","9","2","2","1") = "8"
    & skf18("3","8","1","9","2","3","1") = "8"
    & skf18("3","8","1","9","2","4","1") = "8"
    & skf18("3","8","1","9","2","5","1") = "8"
    & skf18("3","8","1","9","2","6","1") = "8"
    & skf18("3","8","1","9","2","7","1") = "8"
    & skf18("3","8","1","9","2","8","1") = "8"
    & skf18("3","8","1","9","2","9","1") = "8"
    & skf18("3","8","1","9","2","10","1") = "9"
    & skf18("3","8","1","9","3","1","1") = "8"
    & skf18("3","8","1","9","3","2","1") = "8"
    & skf18("3","8","1","9","3","3","1") = "8"
    & skf18("3","8","1","9","3","4","1") = "8"
    & skf18("3","8","1","9","3","5","1") = "8"
    & skf18("3","8","1","9","3","6","1") = "8"
    & skf18("3","8","1","9","3","7","1") = "8"
    & skf18("3","8","1","9","3","8","1") = "8"
    & skf18("3","8","1","9","3","9","1") = "8"
    & skf18("3","8","1","9","3","10","1") = "9"
    & skf18("3","8","1","9","4","1","1") = "8"
    & skf18("3","8","1","9","4","2","1") = "8"
    & skf18("3","8","1","9","4","3","1") = "8"
    & skf18("3","8","1","9","4","4","1") = "8"
    & skf18("3","8","1","9","4","5","1") = "8"
    & skf18("3","8","1","9","4","6","1") = "8"
    & skf18("3","8","1","9","4","7","1") = "8"
    & skf18("3","8","1","9","4","8","1") = "8"
    & skf18("3","8","1","9","4","9","1") = "8"
    & skf18("3","8","1","9","4","10","1") = "9"
    & skf18("3","8","1","9","5","1","1") = "8"
    & skf18("3","8","1","9","5","2","1") = "8"
    & skf18("3","8","1","9","5","3","1") = "8"
    & skf18("3","8","1","9","5","4","1") = "8"
    & skf18("3","8","1","9","5","5","1") = "8"
    & skf18("3","8","1","9","5","6","1") = "8"
    & skf18("3","8","1","9","5","7","1") = "8"
    & skf18("3","8","1","9","5","8","1") = "8"
    & skf18("3","8","1","9","5","9","1") = "8"
    & skf18("3","8","1","9","5","10","1") = "9"
    & skf18("3","8","1","9","6","1","1") = "8"
    & skf18("3","8","1","9","6","2","1") = "8"
    & skf18("3","8","1","9","6","3","1") = "8"
    & skf18("3","8","1","9","6","4","1") = "8"
    & skf18("3","8","1","9","6","5","1") = "8"
    & skf18("3","8","1","9","6","6","1") = "8"
    & skf18("3","8","1","9","6","7","1") = "8"
    & skf18("3","8","1","9","6","8","1") = "8"
    & skf18("3","8","1","9","6","9","1") = "8"
    & skf18("3","8","1","9","6","10","1") = "9"
    & skf18("3","8","1","9","7","1","1") = "8"
    & skf18("3","8","1","9","7","2","1") = "8"
    & skf18("3","8","1","9","7","3","1") = "8"
    & skf18("3","8","1","9","7","4","1") = "8"
    & skf18("3","8","1","9","7","5","1") = "8"
    & skf18("3","8","1","9","7","6","1") = "8"
    & skf18("3","8","1","9","7","7","1") = "8"
    & skf18("3","8","1","9","7","8","1") = "8"
    & skf18("3","8","1","9","7","9","1") = "8"
    & skf18("3","8","1","9","7","10","1") = "9"
    & skf18("3","8","1","9","8","1","1") = "8"
    & skf18("3","8","1","9","8","2","1") = "8"
    & skf18("3","8","1","9","8","3","1") = "8"
    & skf18("3","8","1","9","8","4","1") = "8"
    & skf18("3","8","1","9","8","5","1") = "8"
    & skf18("3","8","1","9","8","6","1") = "8"
    & skf18("3","8","1","9","8","7","1") = "8"
    & skf18("3","8","1","9","8","8","1") = "8"
    & skf18("3","8","1","9","8","9","1") = "8"
    & skf18("3","8","1","9","8","10","1") = "9"
    & skf18("3","8","1","9","9","1","1") = "8"
    & skf18("3","8","1","9","9","2","1") = "8"
    & skf18("3","8","1","9","9","3","1") = "8"
    & skf18("3","8","1","9","9","4","1") = "8"
    & skf18("3","8","1","9","9","5","1") = "8"
    & skf18("3","8","1","9","9","6","1") = "8"
    & skf18("3","8","1","9","9","7","1") = "8"
    & skf18("3","8","1","9","9","8","1") = "8"
    & skf18("3","8","1","9","9","9","1") = "8"
    & skf18("3","8","1","9","9","10","1") = "9"
    & skf18("3","8","1","9","10","1","1") = "9"
    & skf18("3","8","1","9","10","2","1") = "9"
    & skf18("3","8","1","9","10","3","1") = "9"
    & skf18("3","8","1","9","10","4","1") = "9"
    & skf18("3","8","1","9","10","5","1") = "9"
    & skf18("3","8","1","9","10","6","1") = "9"
    & skf18("3","8","1","9","10","7","1") = "9"
    & skf18("3","8","1","9","10","8","1") = "9"
    & skf18("3","8","1","9","10","9","1") = "9"
    & skf18("3","8","1","9","10","10","1") = "9"
    & skf18("3","8","1","10","1","1","1") = "9"
    & skf18("3","8","1","10","1","2","1") = "9"
    & skf18("3","8","1","10","1","3","1") = "9"
    & skf18("3","8","1","10","1","4","1") = "9"
    & skf18("3","8","1","10","1","5","1") = "9"
    & skf18("3","8","1","10","1","6","1") = "9"
    & skf18("3","8","1","10","1","7","1") = "9"
    & skf18("3","8","1","10","1","8","1") = "9"
    & skf18("3","8","1","10","1","9","1") = "9"
    & skf18("3","8","1","10","1","10","1") = "9"
    & skf18("3","8","1","10","2","1","1") = "9"
    & skf18("3","8","1","10","2","2","1") = "9"
    & skf18("3","8","1","10","2","3","1") = "9"
    & skf18("3","8","1","10","2","4","1") = "9"
    & skf18("3","8","1","10","2","5","1") = "9"
    & skf18("3","8","1","10","2","6","1") = "9"
    & skf18("3","8","1","10","2","7","1") = "9"
    & skf18("3","8","1","10","2","8","1") = "9"
    & skf18("3","8","1","10","2","9","1") = "9"
    & skf18("3","8","1","10","2","10","1") = "9"
    & skf18("3","8","1","10","3","1","1") = "9"
    & skf18("3","8","1","10","3","2","1") = "9"
    & skf18("3","8","1","10","3","3","1") = "9"
    & skf18("3","8","1","10","3","4","1") = "9"
    & skf18("3","8","1","10","3","5","1") = "9"
    & skf18("3","8","1","10","3","6","1") = "9"
    & skf18("3","8","1","10","3","7","1") = "9"
    & skf18("3","8","1","10","3","8","1") = "9"
    & skf18("3","8","1","10","3","9","1") = "9"
    & skf18("3","8","1","10","3","10","1") = "9"
    & skf18("3","8","1","10","4","1","1") = "9"
    & skf18("3","8","1","10","4","2","1") = "9"
    & skf18("3","8","1","10","4","3","1") = "9"
    & skf18("3","8","1","10","4","4","1") = "9"
    & skf18("3","8","1","10","4","5","1") = "9"
    & skf18("3","8","1","10","4","6","1") = "9"
    & skf18("3","8","1","10","4","7","1") = "9"
    & skf18("3","8","1","10","4","8","1") = "9"
    & skf18("3","8","1","10","4","9","1") = "9"
    & skf18("3","8","1","10","4","10","1") = "9"
    & skf18("3","8","1","10","5","1","1") = "9"
    & skf18("3","8","1","10","5","2","1") = "9"
    & skf18("3","8","1","10","5","3","1") = "9"
    & skf18("3","8","1","10","5","4","1") = "9"
    & skf18("3","8","1","10","5","5","1") = "9"
    & skf18("3","8","1","10","5","6","1") = "9"
    & skf18("3","8","1","10","5","7","1") = "9"
    & skf18("3","8","1","10","5","8","1") = "9"
    & skf18("3","8","1","10","5","9","1") = "9"
    & skf18("3","8","1","10","5","10","1") = "9"
    & skf18("3","8","1","10","6","1","1") = "9"
    & skf18("3","8","1","10","6","2","1") = "9"
    & skf18("3","8","1","10","6","3","1") = "9"
    & skf18("3","8","1","10","6","4","1") = "9"
    & skf18("3","8","1","10","6","5","1") = "9"
    & skf18("3","8","1","10","6","6","1") = "9"
    & skf18("3","8","1","10","6","7","1") = "9"
    & skf18("3","8","1","10","6","8","1") = "9"
    & skf18("3","8","1","10","6","9","1") = "9"
    & skf18("3","8","1","10","6","10","1") = "9"
    & skf18("3","8","1","10","7","1","1") = "9"
    & skf18("3","8","1","10","7","2","1") = "9"
    & skf18("3","8","1","10","7","3","1") = "9"
    & skf18("3","8","1","10","7","4","1") = "9"
    & skf18("3","8","1","10","7","5","1") = "9"
    & skf18("3","8","1","10","7","6","1") = "9"
    & skf18("3","8","1","10","7","7","1") = "9"
    & skf18("3","8","1","10","7","8","1") = "9"
    & skf18("3","8","1","10","7","9","1") = "9"
    & skf18("3","8","1","10","7","10","1") = "9"
    & skf18("3","8","1","10","8","1","1") = "9"
    & skf18("3","8","1","10","8","2","1") = "9"
    & skf18("3","8","1","10","8","3","1") = "9"
    & skf18("3","8","1","10","8","4","1") = "9"
    & skf18("3","8","1","10","8","5","1") = "9"
    & skf18("3","8","1","10","8","6","1") = "9"
    & skf18("3","8","1","10","8","7","1") = "9"
    & skf18("3","8","1","10","8","8","1") = "9"
    & skf18("3","8","1","10","8","9","1") = "9"
    & skf18("3","8","1","10","8","10","1") = "9"
    & skf18("3","8","1","10","9","1","1") = "9"
    & skf18("3","8","1","10","9","2","1") = "9"
    & skf18("3","8","1","10","9","3","1") = "9"
    & skf18("3","8","1","10","9","4","1") = "9"
    & skf18("3","8","1","10","9","5","1") = "9"
    & skf18("3","8","1","10","9","6","1") = "9"
    & skf18("3","8","1","10","9","7","1") = "9"
    & skf18("3","8","1","10","9","8","1") = "9"
    & skf18("3","8","1","10","9","9","1") = "9"
    & skf18("3","8","1","10","9","10","1") = "9"
    & skf18("3","8","1","10","10","1","1") = "9"
    & skf18("3","8","1","10","10","2","1") = "9"
    & skf18("3","8","1","10","10","3","1") = "9"
    & skf18("3","8","1","10","10","4","1") = "9"
    & skf18("3","8","1","10","10","5","1") = "9"
    & skf18("3","8","1","10","10","6","1") = "9"
    & skf18("3","8","1","10","10","7","1") = "9"
    & skf18("3","8","1","10","10","8","1") = "9"
    & skf18("3","8","1","10","10","9","1") = "9"
    & skf18("3","8","1","10","10","10","1") = "9"
    & skf18("3","8","2","1","1","1","1") = "7"
    & skf18("3","8","2","1","1","2","1") = "7"
    & skf18("3","8","2","1","1","3","1") = "7"
    & skf18("3","8","2","1","1","4","1") = "7"
    & skf18("3","8","2","1","1","5","1") = "7"
    & skf18("3","8","2","1","1","6","1") = "7"
    & skf18("3","8","2","1","1","7","1") = "7"
    & skf18("3","8","2","1","1","8","1") = "7"
    & skf18("3","8","2","1","1","9","1") = "8"
    & skf18("3","8","2","1","1","10","1") = "9"
    & skf18("3","8","2","1","2","1","1") = "7"
    & skf18("3","8","2","1","2","2","1") = "7"
    & skf18("3","8","2","1","2","3","1") = "7"
    & skf18("3","8","2","1","2","4","1") = "7"
    & skf18("3","8","2","1","2","5","1") = "7"
    & skf18("3","8","2","1","2","6","1") = "7"
    & skf18("3","8","2","1","2","7","1") = "7"
    & skf18("3","8","2","1","2","8","1") = "7"
    & skf18("3","8","2","1","2","9","1") = "8"
    & skf18("3","8","2","1","2","10","1") = "9"
    & skf18("3","8","2","1","3","1","1") = "7"
    & skf18("3","8","2","1","3","2","1") = "7"
    & skf18("3","8","2","1","3","3","1") = "7"
    & skf18("3","8","2","1","3","4","1") = "7"
    & skf18("3","8","2","1","3","5","1") = "7"
    & skf18("3","8","2","1","3","6","1") = "7"
    & skf18("3","8","2","1","3","7","1") = "7"
    & skf18("3","8","2","1","3","8","1") = "7"
    & skf18("3","8","2","1","3","9","1") = "8"
    & skf18("3","8","2","1","3","10","1") = "9"
    & skf18("3","8","2","1","4","1","1") = "7"
    & skf18("3","8","2","1","4","2","1") = "7"
    & skf18("3","8","2","1","4","3","1") = "7"
    & skf18("3","8","2","1","4","4","1") = "7"
    & skf18("3","8","2","1","4","5","1") = "7"
    & skf18("3","8","2","1","4","6","1") = "7"
    & skf18("3","8","2","1","4","7","1") = "7"
    & skf18("3","8","2","1","4","8","1") = "7"
    & skf18("3","8","2","1","4","9","1") = "8"
    & skf18("3","8","2","1","4","10","1") = "9"
    & skf18("3","8","2","1","5","1","1") = "7"
    & skf18("3","8","2","1","5","2","1") = "7"
    & skf18("3","8","2","1","5","3","1") = "7"
    & skf18("3","8","2","1","5","4","1") = "7"
    & skf18("3","8","2","1","5","5","1") = "7"
    & skf18("3","8","2","1","5","6","1") = "7"
    & skf18("3","8","2","1","5","7","1") = "7"
    & skf18("3","8","2","1","5","8","1") = "7"
    & skf18("3","8","2","1","5","9","1") = "8"
    & skf18("3","8","2","1","5","10","1") = "9"
    & skf18("3","8","2","1","6","1","1") = "7"
    & skf18("3","8","2","1","6","2","1") = "7"
    & skf18("3","8","2","1","6","3","1") = "7"
    & skf18("3","8","2","1","6","4","1") = "7"
    & skf18("3","8","2","1","6","5","1") = "7"
    & skf18("3","8","2","1","6","6","1") = "7"
    & skf18("3","8","2","1","6","7","1") = "7"
    & skf18("3","8","2","1","6","8","1") = "7"
    & skf18("3","8","2","1","6","9","1") = "8"
    & skf18("3","8","2","1","6","10","1") = "9"
    & skf18("3","8","2","1","7","1","1") = "7"
    & skf18("3","8","2","1","7","2","1") = "7"
    & skf18("3","8","2","1","7","3","1") = "7"
    & skf18("3","8","2","1","7","4","1") = "7"
    & skf18("3","8","2","1","7","5","1") = "7"
    & skf18("3","8","2","1","7","6","1") = "7"
    & skf18("3","8","2","1","7","7","1") = "7"
    & skf18("3","8","2","1","7","8","1") = "7"
    & skf18("3","8","2","1","7","9","1") = "8"
    & skf18("3","8","2","1","7","10","1") = "9"
    & skf18("3","8","2","1","8","1","1") = "7"
    & skf18("3","8","2","1","8","2","1") = "7"
    & skf18("3","8","2","1","8","3","1") = "7"
    & skf18("3","8","2","1","8","4","1") = "7"
    & skf18("3","8","2","1","8","5","1") = "7"
    & skf18("3","8","2","1","8","6","1") = "7"
    & skf18("3","8","2","1","8","7","1") = "7"
    & skf18("3","8","2","1","8","8","1") = "7"
    & skf18("3","8","2","1","8","9","1") = "8"
    & skf18("3","8","2","1","8","10","1") = "9"
    & skf18("3","8","2","1","9","1","1") = "8"
    & skf18("3","8","2","1","9","2","1") = "8"
    & skf18("3","8","2","1","9","3","1") = "8"
    & skf18("3","8","2","1","9","4","1") = "8"
    & skf18("3","8","2","1","9","5","1") = "8"
    & skf18("3","8","2","1","9","6","1") = "8"
    & skf18("3","8","2","1","9","7","1") = "8"
    & skf18("3","8","2","1","9","8","1") = "8"
    & skf18("3","8","2","1","9","9","1") = "8"
    & skf18("3","8","2","1","9","10","1") = "9"
    & skf18("3","8","2","1","10","1","1") = "9"
    & skf18("3","8","2","1","10","2","1") = "9"
    & skf18("3","8","2","1","10","3","1") = "9"
    & skf18("3","8","2","1","10","4","1") = "9"
    & skf18("3","8","2","1","10","5","1") = "9"
    & skf18("3","8","2","1","10","6","1") = "9"
    & skf18("3","8","2","1","10","7","1") = "9"
    & skf18("3","8","2","1","10","8","1") = "9"
    & skf18("3","8","2","1","10","9","1") = "9"
    & skf18("3","8","2","1","10","10","1") = "9"
    & skf18("3","8","2","2","1","1","1") = "7"
    & skf18("3","8","2","2","1","2","1") = "7"
    & skf18("3","8","2","2","1","3","1") = "7"
    & skf18("3","8","2","2","1","4","1") = "7"
    & skf18("3","8","2","2","1","5","1") = "7"
    & skf18("3","8","2","2","1","6","1") = "7"
    & skf18("3","8","2","2","1","7","1") = "7"
    & skf18("3","8","2","2","1","8","1") = "7"
    & skf18("3","8","2","2","1","9","1") = "8"
    & skf18("3","8","2","2","1","10","1") = "9"
    & skf18("3","8","2","2","2","1","1") = "7"
    & skf18("3","8","2","2","2","2","1") = "7"
    & skf18("3","8","2","2","2","3","1") = "7"
    & skf18("3","8","2","2","2","4","1") = "7"
    & skf18("3","8","2","2","2","5","1") = "7"
    & skf18("3","8","2","2","2","6","1") = "7"
    & skf18("3","8","2","2","2","7","1") = "7"
    & skf18("3","8","2","2","2","8","1") = "7"
    & skf18("3","8","2","2","2","9","1") = "8"
    & skf18("3","8","2","2","2","10","1") = "9"
    & skf18("3","8","2","2","3","1","1") = "7"
    & skf18("3","8","2","2","3","2","1") = "7"
    & skf18("3","8","2","2","3","3","1") = "7"
    & skf18("3","8","2","2","3","4","1") = "7"
    & skf18("3","8","2","2","3","5","1") = "7"
    & skf18("3","8","2","2","3","6","1") = "7"
    & skf18("3","8","2","2","3","7","1") = "7"
    & skf18("3","8","2","2","3","8","1") = "7"
    & skf18("3","8","2","2","3","9","1") = "8"
    & skf18("3","8","2","2","3","10","1") = "9"
    & skf18("3","8","2","2","4","1","1") = "7"
    & skf18("3","8","2","2","4","2","1") = "7"
    & skf18("3","8","2","2","4","3","1") = "7"
    & skf18("3","8","2","2","4","4","1") = "7"
    & skf18("3","8","2","2","4","5","1") = "7"
    & skf18("3","8","2","2","4","6","1") = "7"
    & skf18("3","8","2","2","4","7","1") = "7"
    & skf18("3","8","2","2","4","8","1") = "7"
    & skf18("3","8","2","2","4","9","1") = "8"
    & skf18("3","8","2","2","4","10","1") = "9"
    & skf18("3","8","2","2","5","1","1") = "7"
    & skf18("3","8","2","2","5","2","1") = "7"
    & skf18("3","8","2","2","5","3","1") = "7"
    & skf18("3","8","2","2","5","4","1") = "7"
    & skf18("3","8","2","2","5","5","1") = "7"
    & skf18("3","8","2","2","5","6","1") = "7"
    & skf18("3","8","2","2","5","7","1") = "7"
    & skf18("3","8","2","2","5","8","1") = "7"
    & skf18("3","8","2","2","5","9","1") = "8"
    & skf18("3","8","2","2","5","10","1") = "9"
    & skf18("3","8","2","2","6","1","1") = "7"
    & skf18("3","8","2","2","6","2","1") = "7"
    & skf18("3","8","2","2","6","3","1") = "7"
    & skf18("3","8","2","2","6","4","1") = "7"
    & skf18("3","8","2","2","6","5","1") = "7"
    & skf18("3","8","2","2","6","6","1") = "7"
    & skf18("3","8","2","2","6","7","1") = "7"
    & skf18("3","8","2","2","6","8","1") = "7"
    & skf18("3","8","2","2","6","9","1") = "8"
    & skf18("3","8","2","2","6","10","1") = "9"
    & skf18("3","8","2","2","7","1","1") = "7"
    & skf18("3","8","2","2","7","2","1") = "7"
    & skf18("3","8","2","2","7","3","1") = "7"
    & skf18("3","8","2","2","7","4","1") = "7"
    & skf18("3","8","2","2","7","5","1") = "7"
    & skf18("3","8","2","2","7","6","1") = "7"
    & skf18("3","8","2","2","7","7","1") = "7"
    & skf18("3","8","2","2","7","8","1") = "7"
    & skf18("3","8","2","2","7","9","1") = "8"
    & skf18("3","8","2","2","7","10","1") = "9"
    & skf18("3","8","2","2","8","1","1") = "7"
    & skf18("3","8","2","2","8","2","1") = "7"
    & skf18("3","8","2","2","8","3","1") = "7"
    & skf18("3","8","2","2","8","4","1") = "7"
    & skf18("3","8","2","2","8","5","1") = "7"
    & skf18("3","8","2","2","8","6","1") = "7"
    & skf18("3","8","2","2","8","7","1") = "7"
    & skf18("3","8","2","2","8","8","1") = "7"
    & skf18("3","8","2","2","8","9","1") = "8"
    & skf18("3","8","2","2","8","10","1") = "9"
    & skf18("3","8","2","2","9","1","1") = "8"
    & skf18("3","8","2","2","9","2","1") = "8"
    & skf18("3","8","2","2","9","3","1") = "8"
    & skf18("3","8","2","2","9","4","1") = "8"
    & skf18("3","8","2","2","9","5","1") = "8"
    & skf18("3","8","2","2","9","6","1") = "8"
    & skf18("3","8","2","2","9","7","1") = "8"
    & skf18("3","8","2","2","9","8","1") = "8"
    & skf18("3","8","2","2","9","9","1") = "8"
    & skf18("3","8","2","2","9","10","1") = "9"
    & skf18("3","8","2","2","10","1","1") = "9"
    & skf18("3","8","2","2","10","2","1") = "9"
    & skf18("3","8","2","2","10","3","1") = "9"
    & skf18("3","8","2","2","10","4","1") = "9"
    & skf18("3","8","2","2","10","5","1") = "9"
    & skf18("3","8","2","2","10","6","1") = "9"
    & skf18("3","8","2","2","10","7","1") = "9"
    & skf18("3","8","2","2","10","8","1") = "9"
    & skf18("3","8","2","2","10","9","1") = "9"
    & skf18("3","8","2","2","10","10","1") = "9"
    & skf18("3","8","2","3","1","1","1") = "7"
    & skf18("3","8","2","3","1","2","1") = "7"
    & skf18("3","8","2","3","1","3","1") = "7"
    & skf18("3","8","2","3","1","4","1") = "7"
    & skf18("3","8","2","3","1","5","1") = "7"
    & skf18("3","8","2","3","1","6","1") = "7"
    & skf18("3","8","2","3","1","7","1") = "7"
    & skf18("3","8","2","3","1","8","1") = "7"
    & skf18("3","8","2","3","1","9","1") = "8"
    & skf18("3","8","2","3","1","10","1") = "9"
    & skf18("3","8","2","3","2","1","1") = "7"
    & skf18("3","8","2","3","2","2","1") = "7"
    & skf18("3","8","2","3","2","3","1") = "7"
    & skf18("3","8","2","3","2","4","1") = "7"
    & skf18("3","8","2","3","2","5","1") = "7"
    & skf18("3","8","2","3","2","6","1") = "7"
    & skf18("3","8","2","3","2","7","1") = "7"
    & skf18("3","8","2","3","2","8","1") = "7"
    & skf18("3","8","2","3","2","9","1") = "8"
    & skf18("3","8","2","3","2","10","1") = "9"
    & skf18("3","8","2","3","3","1","1") = "7"
    & skf18("3","8","2","3","3","2","1") = "7"
    & skf18("3","8","2","3","3","3","1") = "7"
    & skf18("3","8","2","3","3","4","1") = "7"
    & skf18("3","8","2","3","3","5","1") = "7"
    & skf18("3","8","2","3","3","6","1") = "7"
    & skf18("3","8","2","3","3","7","1") = "7"
    & skf18("3","8","2","3","3","8","1") = "7"
    & skf18("3","8","2","3","3","9","1") = "8"
    & skf18("3","8","2","3","3","10","1") = "9"
    & skf18("3","8","2","3","4","1","1") = "7"
    & skf18("3","8","2","3","4","2","1") = "7"
    & skf18("3","8","2","3","4","3","1") = "7"
    & skf18("3","8","2","3","4","4","1") = "7"
    & skf18("3","8","2","3","4","5","1") = "7"
    & skf18("3","8","2","3","4","6","1") = "7"
    & skf18("3","8","2","3","4","7","1") = "7"
    & skf18("3","8","2","3","4","8","1") = "7"
    & skf18("3","8","2","3","4","9","1") = "8"
    & skf18("3","8","2","3","4","10","1") = "9"
    & skf18("3","8","2","3","5","1","1") = "7"
    & skf18("3","8","2","3","5","2","1") = "7"
    & skf18("3","8","2","3","5","3","1") = "7"
    & skf18("3","8","2","3","5","4","1") = "7"
    & skf18("3","8","2","3","5","5","1") = "7"
    & skf18("3","8","2","3","5","6","1") = "7"
    & skf18("3","8","2","3","5","7","1") = "7"
    & skf18("3","8","2","3","5","8","1") = "7"
    & skf18("3","8","2","3","5","9","1") = "8"
    & skf18("3","8","2","3","5","10","1") = "9"
    & skf18("3","8","2","3","6","1","1") = "7"
    & skf18("3","8","2","3","6","2","1") = "7"
    & skf18("3","8","2","3","6","3","1") = "7"
    & skf18("3","8","2","3","6","4","1") = "7"
    & skf18("3","8","2","3","6","5","1") = "7"
    & skf18("3","8","2","3","6","6","1") = "7"
    & skf18("3","8","2","3","6","7","1") = "7"
    & skf18("3","8","2","3","6","8","1") = "7"
    & skf18("3","8","2","3","6","9","1") = "8"
    & skf18("3","8","2","3","6","10","1") = "9"
    & skf18("3","8","2","3","7","1","1") = "7"
    & skf18("3","8","2","3","7","2","1") = "7"
    & skf18("3","8","2","3","7","3","1") = "7"
    & skf18("3","8","2","3","7","4","1") = "7"
    & skf18("3","8","2","3","7","5","1") = "7"
    & skf18("3","8","2","3","7","6","1") = "7"
    & skf18("3","8","2","3","7","7","1") = "7"
    & skf18("3","8","2","3","7","8","1") = "7"
    & skf18("3","8","2","3","7","9","1") = "8"
    & skf18("3","8","2","3","7","10","1") = "9"
    & skf18("3","8","2","3","8","1","1") = "7"
    & skf18("3","8","2","3","8","2","1") = "7"
    & skf18("3","8","2","3","8","3","1") = "7"
    & skf18("3","8","2","3","8","4","1") = "7"
    & skf18("3","8","2","3","8","5","1") = "7"
    & skf18("3","8","2","3","8","6","1") = "7"
    & skf18("3","8","2","3","8","7","1") = "7"
    & skf18("3","8","2","3","8","8","1") = "7"
    & skf18("3","8","2","3","8","9","1") = "8"
    & skf18("3","8","2","3","8","10","1") = "9"
    & skf18("3","8","2","3","9","1","1") = "8"
    & skf18("3","8","2","3","9","2","1") = "8"
    & skf18("3","8","2","3","9","3","1") = "8"
    & skf18("3","8","2","3","9","4","1") = "8"
    & skf18("3","8","2","3","9","5","1") = "8"
    & skf18("3","8","2","3","9","6","1") = "8"
    & skf18("3","8","2","3","9","7","1") = "8"
    & skf18("3","8","2","3","9","8","1") = "8"
    & skf18("3","8","2","3","9","9","1") = "8"
    & skf18("3","8","2","3","9","10","1") = "9"
    & skf18("3","8","2","3","10","1","1") = "9"
    & skf18("3","8","2","3","10","2","1") = "9"
    & skf18("3","8","2","3","10","3","1") = "9"
    & skf18("3","8","2","3","10","4","1") = "9"
    & skf18("3","8","2","3","10","5","1") = "9"
    & skf18("3","8","2","3","10","6","1") = "9"
    & skf18("3","8","2","3","10","7","1") = "9"
    & skf18("3","8","2","3","10","8","1") = "9"
    & skf18("3","8","2","3","10","9","1") = "9"
    & skf18("3","8","2","3","10","10","1") = "9"
    & skf18("3","8","2","4","1","1","1") = "7"
    & skf18("3","8","2","4","1","2","1") = "7"
    & skf18("3","8","2","4","1","3","1") = "7"
    & skf18("3","8","2","4","1","4","1") = "7"
    & skf18("3","8","2","4","1","5","1") = "7"
    & skf18("3","8","2","4","1","6","1") = "7"
    & skf18("3","8","2","4","1","7","1") = "7"
    & skf18("3","8","2","4","1","8","1") = "7"
    & skf18("3","8","2","4","1","9","1") = "8"
    & skf18("3","8","2","4","1","10","1") = "9"
    & skf18("3","8","2","4","2","1","1") = "7"
    & skf18("3","8","2","4","2","2","1") = "7"
    & skf18("3","8","2","4","2","3","1") = "7"
    & skf18("3","8","2","4","2","4","1") = "7"
    & skf18("3","8","2","4","2","5","1") = "7"
    & skf18("3","8","2","4","2","6","1") = "7"
    & skf18("3","8","2","4","2","7","1") = "7"
    & skf18("3","8","2","4","2","8","1") = "7"
    & skf18("3","8","2","4","2","9","1") = "8"
    & skf18("3","8","2","4","2","10","1") = "9"
    & skf18("3","8","2","4","3","1","1") = "7"
    & skf18("3","8","2","4","3","2","1") = "7"
    & skf18("3","8","2","4","3","3","1") = "7"
    & skf18("3","8","2","4","3","4","1") = "7"
    & skf18("3","8","2","4","3","5","1") = "7"
    & skf18("3","8","2","4","3","6","1") = "7"
    & skf18("3","8","2","4","3","7","1") = "7"
    & skf18("3","8","2","4","3","8","1") = "7"
    & skf18("3","8","2","4","3","9","1") = "8"
    & skf18("3","8","2","4","3","10","1") = "9"
    & skf18("3","8","2","4","4","1","1") = "7"
    & skf18("3","8","2","4","4","2","1") = "7"
    & skf18("3","8","2","4","4","3","1") = "7"
    & skf18("3","8","2","4","4","4","1") = "7"
    & skf18("3","8","2","4","4","5","1") = "7"
    & skf18("3","8","2","4","4","6","1") = "7"
    & skf18("3","8","2","4","4","7","1") = "7"
    & skf18("3","8","2","4","4","8","1") = "7"
    & skf18("3","8","2","4","4","9","1") = "8"
    & skf18("3","8","2","4","4","10","1") = "9"
    & skf18("3","8","2","4","5","1","1") = "7"
    & skf18("3","8","2","4","5","2","1") = "7"
    & skf18("3","8","2","4","5","3","1") = "7"
    & skf18("3","8","2","4","5","4","1") = "7"
    & skf18("3","8","2","4","5","5","1") = "7"
    & skf18("3","8","2","4","5","6","1") = "7"
    & skf18("3","8","2","4","5","7","1") = "7"
    & skf18("3","8","2","4","5","8","1") = "7"
    & skf18("3","8","2","4","5","9","1") = "8"
    & skf18("3","8","2","4","5","10","1") = "9"
    & skf18("3","8","2","4","6","1","1") = "7"
    & skf18("3","8","2","4","6","2","1") = "7"
    & skf18("3","8","2","4","6","3","1") = "7"
    & skf18("3","8","2","4","6","4","1") = "7"
    & skf18("3","8","2","4","6","5","1") = "7"
    & skf18("3","8","2","4","6","6","1") = "7"
    & skf18("3","8","2","4","6","7","1") = "7"
    & skf18("3","8","2","4","6","8","1") = "7"
    & skf18("3","8","2","4","6","9","1") = "8"
    & skf18("3","8","2","4","6","10","1") = "9"
    & skf18("3","8","2","4","7","1","1") = "7"
    & skf18("3","8","2","4","7","2","1") = "7"
    & skf18("3","8","2","4","7","3","1") = "7"
    & skf18("3","8","2","4","7","4","1") = "7"
    & skf18("3","8","2","4","7","5","1") = "7"
    & skf18("3","8","2","4","7","6","1") = "7"
    & skf18("3","8","2","4","7","7","1") = "7"
    & skf18("3","8","2","4","7","8","1") = "7"
    & skf18("3","8","2","4","7","9","1") = "8"
    & skf18("3","8","2","4","7","10","1") = "9"
    & skf18("3","8","2","4","8","1","1") = "7"
    & skf18("3","8","2","4","8","2","1") = "7"
    & skf18("3","8","2","4","8","3","1") = "7"
    & skf18("3","8","2","4","8","4","1") = "7"
    & skf18("3","8","2","4","8","5","1") = "7"
    & skf18("3","8","2","4","8","6","1") = "7"
    & skf18("3","8","2","4","8","7","1") = "7"
    & skf18("3","8","2","4","8","8","1") = "7"
    & skf18("3","8","2","4","8","9","1") = "8"
    & skf18("3","8","2","4","8","10","1") = "9"
    & skf18("3","8","2","4","9","1","1") = "8"
    & skf18("3","8","2","4","9","2","1") = "8"
    & skf18("3","8","2","4","9","3","1") = "8"
    & skf18("3","8","2","4","9","4","1") = "8"
    & skf18("3","8","2","4","9","5","1") = "8"
    & skf18("3","8","2","4","9","6","1") = "8"
    & skf18("3","8","2","4","9","7","1") = "8"
    & skf18("3","8","2","4","9","8","1") = "8"
    & skf18("3","8","2","4","9","9","1") = "8"
    & skf18("3","8","2","4","9","10","1") = "9"
    & skf18("3","8","2","4","10","1","1") = "9"
    & skf18("3","8","2","4","10","2","1") = "9"
    & skf18("3","8","2","4","10","3","1") = "9"
    & skf18("3","8","2","4","10","4","1") = "9"
    & skf18("3","8","2","4","10","5","1") = "9"
    & skf18("3","8","2","4","10","6","1") = "9"
    & skf18("3","8","2","4","10","7","1") = "9"
    & skf18("3","8","2","4","10","8","1") = "9"
    & skf18("3","8","2","4","10","9","1") = "9"
    & skf18("3","8","2","4","10","10","1") = "9"
    & skf18("3","8","2","5","1","1","1") = "7"
    & skf18("3","8","2","5","1","2","1") = "7"
    & skf18("3","8","2","5","1","3","1") = "7"
    & skf18("3","8","2","5","1","4","1") = "7"
    & skf18("3","8","2","5","1","5","1") = "7"
    & skf18("3","8","2","5","1","6","1") = "7"
    & skf18("3","8","2","5","1","7","1") = "7"
    & skf18("3","8","2","5","1","8","1") = "7"
    & skf18("3","8","2","5","1","9","1") = "8"
    & skf18("3","8","2","5","1","10","1") = "9"
    & skf18("3","8","2","5","2","1","1") = "7"
    & skf18("3","8","2","5","2","2","1") = "7"
    & skf18("3","8","2","5","2","3","1") = "7"
    & skf18("3","8","2","5","2","4","1") = "7"
    & skf18("3","8","2","5","2","5","1") = "7"
    & skf18("3","8","2","5","2","6","1") = "7"
    & skf18("3","8","2","5","2","7","1") = "7"
    & skf18("3","8","2","5","2","8","1") = "7"
    & skf18("3","8","2","5","2","9","1") = "8"
    & skf18("3","8","2","5","2","10","1") = "9"
    & skf18("3","8","2","5","3","1","1") = "7"
    & skf18("3","8","2","5","3","2","1") = "7"
    & skf18("3","8","2","5","3","3","1") = "7"
    & skf18("3","8","2","5","3","4","1") = "7"
    & skf18("3","8","2","5","3","5","1") = "7"
    & skf18("3","8","2","5","3","6","1") = "7"
    & skf18("3","8","2","5","3","7","1") = "7"
    & skf18("3","8","2","5","3","8","1") = "7"
    & skf18("3","8","2","5","3","9","1") = "8"
    & skf18("3","8","2","5","3","10","1") = "9"
    & skf18("3","8","2","5","4","1","1") = "7"
    & skf18("3","8","2","5","4","2","1") = "7"
    & skf18("3","8","2","5","4","3","1") = "7"
    & skf18("3","8","2","5","4","4","1") = "7"
    & skf18("3","8","2","5","4","5","1") = "7"
    & skf18("3","8","2","5","4","6","1") = "7"
    & skf18("3","8","2","5","4","7","1") = "7"
    & skf18("3","8","2","5","4","8","1") = "7"
    & skf18("3","8","2","5","4","9","1") = "8"
    & skf18("3","8","2","5","4","10","1") = "9"
    & skf18("3","8","2","5","5","1","1") = "7"
    & skf18("3","8","2","5","5","2","1") = "7"
    & skf18("3","8","2","5","5","3","1") = "7"
    & skf18("3","8","2","5","5","4","1") = "7"
    & skf18("3","8","2","5","5","5","1") = "7"
    & skf18("3","8","2","5","5","6","1") = "7"
    & skf18("3","8","2","5","5","7","1") = "7"
    & skf18("3","8","2","5","5","8","1") = "7"
    & skf18("3","8","2","5","5","9","1") = "8"
    & skf18("3","8","2","5","5","10","1") = "9"
    & skf18("3","8","2","5","6","1","1") = "7"
    & skf18("3","8","2","5","6","2","1") = "7"
    & skf18("3","8","2","5","6","3","1") = "7"
    & skf18("3","8","2","5","6","4","1") = "7"
    & skf18("3","8","2","5","6","5","1") = "7"
    & skf18("3","8","2","5","6","6","1") = "7"
    & skf18("3","8","2","5","6","7","1") = "7"
    & skf18("3","8","2","5","6","8","1") = "7"
    & skf18("3","8","2","5","6","9","1") = "8"
    & skf18("3","8","2","5","6","10","1") = "9"
    & skf18("3","8","2","5","7","1","1") = "7"
    & skf18("3","8","2","5","7","2","1") = "7"
    & skf18("3","8","2","5","7","3","1") = "7"
    & skf18("3","8","2","5","7","4","1") = "7"
    & skf18("3","8","2","5","7","5","1") = "7"
    & skf18("3","8","2","5","7","6","1") = "7"
    & skf18("3","8","2","5","7","7","1") = "7"
    & skf18("3","8","2","5","7","8","1") = "7"
    & skf18("3","8","2","5","7","9","1") = "8"
    & skf18("3","8","2","5","7","10","1") = "9"
    & skf18("3","8","2","5","8","1","1") = "7"
    & skf18("3","8","2","5","8","2","1") = "7"
    & skf18("3","8","2","5","8","3","1") = "7"
    & skf18("3","8","2","5","8","4","1") = "7"
    & skf18("3","8","2","5","8","5","1") = "7"
    & skf18("3","8","2","5","8","6","1") = "7"
    & skf18("3","8","2","5","8","7","1") = "7"
    & skf18("3","8","2","5","8","8","1") = "7"
    & skf18("3","8","2","5","8","9","1") = "8"
    & skf18("3","8","2","5","8","10","1") = "9"
    & skf18("3","8","2","5","9","1","1") = "8"
    & skf18("3","8","2","5","9","2","1") = "8"
    & skf18("3","8","2","5","9","3","1") = "8"
    & skf18("3","8","2","5","9","4","1") = "8"
    & skf18("3","8","2","5","9","5","1") = "8"
    & skf18("3","8","2","5","9","6","1") = "8"
    & skf18("3","8","2","5","9","7","1") = "8"
    & skf18("3","8","2","5","9","8","1") = "8"
    & skf18("3","8","2","5","9","9","1") = "8"
    & skf18("3","8","2","5","9","10","1") = "9"
    & skf18("3","8","2","5","10","1","1") = "9"
    & skf18("3","8","2","5","10","2","1") = "9"
    & skf18("3","8","2","5","10","3","1") = "9"
    & skf18("3","8","2","5","10","4","1") = "9"
    & skf18("3","8","2","5","10","5","1") = "9"
    & skf18("3","8","2","5","10","6","1") = "9"
    & skf18("3","8","2","5","10","7","1") = "9"
    & skf18("3","8","2","5","10","8","1") = "9"
    & skf18("3","8","2","5","10","9","1") = "9"
    & skf18("3","8","2","5","10","10","1") = "9"
    & skf18("3","8","2","6","1","1","1") = "7"
    & skf18("3","8","2","6","1","2","1") = "7"
    & skf18("3","8","2","6","1","3","1") = "7"
    & skf18("3","8","2","6","1","4","1") = "7"
    & skf18("3","8","2","6","1","5","1") = "7"
    & skf18("3","8","2","6","1","6","1") = "7"
    & skf18("3","8","2","6","1","7","1") = "7"
    & skf18("3","8","2","6","1","8","1") = "7"
    & skf18("3","8","2","6","1","9","1") = "8"
    & skf18("3","8","2","6","1","10","1") = "9"
    & skf18("3","8","2","6","2","1","1") = "7"
    & skf18("3","8","2","6","2","2","1") = "7"
    & skf18("3","8","2","6","2","3","1") = "7"
    & skf18("3","8","2","6","2","4","1") = "7"
    & skf18("3","8","2","6","2","5","1") = "7"
    & skf18("3","8","2","6","2","6","1") = "7"
    & skf18("3","8","2","6","2","7","1") = "7"
    & skf18("3","8","2","6","2","8","1") = "7"
    & skf18("3","8","2","6","2","9","1") = "8"
    & skf18("3","8","2","6","2","10","1") = "9"
    & skf18("3","8","2","6","3","1","1") = "7"
    & skf18("3","8","2","6","3","2","1") = "7"
    & skf18("3","8","2","6","3","3","1") = "7"
    & skf18("3","8","2","6","3","4","1") = "7"
    & skf18("3","8","2","6","3","5","1") = "7"
    & skf18("3","8","2","6","3","6","1") = "7"
    & skf18("3","8","2","6","3","7","1") = "7"
    & skf18("3","8","2","6","3","8","1") = "7"
    & skf18("3","8","2","6","3","9","1") = "8"
    & skf18("3","8","2","6","3","10","1") = "9"
    & skf18("3","8","2","6","4","1","1") = "7"
    & skf18("3","8","2","6","4","2","1") = "7"
    & skf18("3","8","2","6","4","3","1") = "7"
    & skf18("3","8","2","6","4","4","1") = "7"
    & skf18("3","8","2","6","4","5","1") = "7"
    & skf18("3","8","2","6","4","6","1") = "7"
    & skf18("3","8","2","6","4","7","1") = "7"
    & skf18("3","8","2","6","4","8","1") = "7"
    & skf18("3","8","2","6","4","9","1") = "8"
    & skf18("3","8","2","6","4","10","1") = "9"
    & skf18("3","8","2","6","5","1","1") = "7"
    & skf18("3","8","2","6","5","2","1") = "7"
    & skf18("3","8","2","6","5","3","1") = "7"
    & skf18("3","8","2","6","5","4","1") = "7"
    & skf18("3","8","2","6","5","5","1") = "7"
    & skf18("3","8","2","6","5","6","1") = "7"
    & skf18("3","8","2","6","5","7","1") = "7"
    & skf18("3","8","2","6","5","8","1") = "7"
    & skf18("3","8","2","6","5","9","1") = "8"
    & skf18("3","8","2","6","5","10","1") = "9"
    & skf18("3","8","2","6","6","1","1") = "7"
    & skf18("3","8","2","6","6","2","1") = "7"
    & skf18("3","8","2","6","6","3","1") = "7"
    & skf18("3","8","2","6","6","4","1") = "7"
    & skf18("3","8","2","6","6","5","1") = "7"
    & skf18("3","8","2","6","6","6","1") = "7"
    & skf18("3","8","2","6","6","7","1") = "7"
    & skf18("3","8","2","6","6","8","1") = "7"
    & skf18("3","8","2","6","6","9","1") = "8"
    & skf18("3","8","2","6","6","10","1") = "9"
    & skf18("3","8","2","6","7","1","1") = "7"
    & skf18("3","8","2","6","7","2","1") = "7"
    & skf18("3","8","2","6","7","3","1") = "7"
    & skf18("3","8","2","6","7","4","1") = "7"
    & skf18("3","8","2","6","7","5","1") = "7"
    & skf18("3","8","2","6","7","6","1") = "7"
    & skf18("3","8","2","6","7","7","1") = "7"
    & skf18("3","8","2","6","7","8","1") = "7"
    & skf18("3","8","2","6","7","9","1") = "8"
    & skf18("3","8","2","6","7","10","1") = "9"
    & skf18("3","8","2","6","8","1","1") = "7"
    & skf18("3","8","2","6","8","2","1") = "7"
    & skf18("3","8","2","6","8","3","1") = "7"
    & skf18("3","8","2","6","8","4","1") = "7"
    & skf18("3","8","2","6","8","5","1") = "7"
    & skf18("3","8","2","6","8","6","1") = "7"
    & skf18("3","8","2","6","8","7","1") = "7"
    & skf18("3","8","2","6","8","8","1") = "7"
    & skf18("3","8","2","6","8","9","1") = "8"
    & skf18("3","8","2","6","8","10","1") = "9"
    & skf18("3","8","2","6","9","1","1") = "8"
    & skf18("3","8","2","6","9","2","1") = "8"
    & skf18("3","8","2","6","9","3","1") = "8"
    & skf18("3","8","2","6","9","4","1") = "8"
    & skf18("3","8","2","6","9","5","1") = "8"
    & skf18("3","8","2","6","9","6","1") = "8"
    & skf18("3","8","2","6","9","7","1") = "8"
    & skf18("3","8","2","6","9","8","1") = "8"
    & skf18("3","8","2","6","9","9","1") = "8"
    & skf18("3","8","2","6","9","10","1") = "9"
    & skf18("3","8","2","6","10","1","1") = "9"
    & skf18("3","8","2","6","10","2","1") = "9"
    & skf18("3","8","2","6","10","3","1") = "9"
    & skf18("3","8","2","6","10","4","1") = "9"
    & skf18("3","8","2","6","10","5","1") = "9"
    & skf18("3","8","2","6","10","6","1") = "9"
    & skf18("3","8","2","6","10","7","1") = "9"
    & skf18("3","8","2","6","10","8","1") = "9"
    & skf18("3","8","2","6","10","9","1") = "9"
    & skf18("3","8","2","6","10","10","1") = "9"
    & skf18("3","8","2","7","1","1","1") = "7"
    & skf18("3","8","2","7","1","2","1") = "7"
    & skf18("3","8","2","7","1","3","1") = "7"
    & skf18("3","8","2","7","1","4","1") = "7"
    & skf18("3","8","2","7","1","5","1") = "7"
    & skf18("3","8","2","7","1","6","1") = "7"
    & skf18("3","8","2","7","1","7","1") = "7"
    & skf18("3","8","2","7","1","8","1") = "7"
    & skf18("3","8","2","7","1","9","1") = "8"
    & skf18("3","8","2","7","1","10","1") = "9"
    & skf18("3","8","2","7","2","1","1") = "7"
    & skf18("3","8","2","7","2","2","1") = "7"
    & skf18("3","8","2","7","2","3","1") = "7"
    & skf18("3","8","2","7","2","4","1") = "7"
    & skf18("3","8","2","7","2","5","1") = "7"
    & skf18("3","8","2","7","2","6","1") = "7"
    & skf18("3","8","2","7","2","7","1") = "7"
    & skf18("3","8","2","7","2","8","1") = "7"
    & skf18("3","8","2","7","2","9","1") = "8"
    & skf18("3","8","2","7","2","10","1") = "9"
    & skf18("3","8","2","7","3","1","1") = "7"
    & skf18("3","8","2","7","3","2","1") = "7"
    & skf18("3","8","2","7","3","3","1") = "7"
    & skf18("3","8","2","7","3","4","1") = "7"
    & skf18("3","8","2","7","3","5","1") = "7"
    & skf18("3","8","2","7","3","6","1") = "7"
    & skf18("3","8","2","7","3","7","1") = "7"
    & skf18("3","8","2","7","3","8","1") = "7"
    & skf18("3","8","2","7","3","9","1") = "8"
    & skf18("3","8","2","7","3","10","1") = "9"
    & skf18("3","8","2","7","4","1","1") = "7"
    & skf18("3","8","2","7","4","2","1") = "7"
    & skf18("3","8","2","7","4","3","1") = "7"
    & skf18("3","8","2","7","4","4","1") = "7"
    & skf18("3","8","2","7","4","5","1") = "7"
    & skf18("3","8","2","7","4","6","1") = "7"
    & skf18("3","8","2","7","4","7","1") = "7"
    & skf18("3","8","2","7","4","8","1") = "7"
    & skf18("3","8","2","7","4","9","1") = "8"
    & skf18("3","8","2","7","4","10","1") = "9"
    & skf18("3","8","2","7","5","1","1") = "7"
    & skf18("3","8","2","7","5","2","1") = "7"
    & skf18("3","8","2","7","5","3","1") = "7"
    & skf18("3","8","2","7","5","4","1") = "7"
    & skf18("3","8","2","7","5","5","1") = "7"
    & skf18("3","8","2","7","5","6","1") = "7"
    & skf18("3","8","2","7","5","7","1") = "7"
    & skf18("3","8","2","7","5","8","1") = "7"
    & skf18("3","8","2","7","5","9","1") = "8"
    & skf18("3","8","2","7","5","10","1") = "9"
    & skf18("3","8","2","7","6","1","1") = "7"
    & skf18("3","8","2","7","6","2","1") = "7"
    & skf18("3","8","2","7","6","3","1") = "7"
    & skf18("3","8","2","7","6","4","1") = "7"
    & skf18("3","8","2","7","6","5","1") = "7"
    & skf18("3","8","2","7","6","6","1") = "7"
    & skf18("3","8","2","7","6","7","1") = "7"
    & skf18("3","8","2","7","6","8","1") = "7"
    & skf18("3","8","2","7","6","9","1") = "8"
    & skf18("3","8","2","7","6","10","1") = "9"
    & skf18("3","8","2","7","7","1","1") = "7"
    & skf18("3","8","2","7","7","2","1") = "7"
    & skf18("3","8","2","7","7","3","1") = "7"
    & skf18("3","8","2","7","7","4","1") = "7"
    & skf18("3","8","2","7","7","5","1") = "7"
    & skf18("3","8","2","7","7","6","1") = "7"
    & skf18("3","8","2","7","7","7","1") = "7"
    & skf18("3","8","2","7","7","8","1") = "7"
    & skf18("3","8","2","7","7","9","1") = "8"
    & skf18("3","8","2","7","7","10","1") = "9"
    & skf18("3","8","2","7","8","1","1") = "7"
    & skf18("3","8","2","7","8","2","1") = "7"
    & skf18("3","8","2","7","8","3","1") = "7"
    & skf18("3","8","2","7","8","4","1") = "7"
    & skf18("3","8","2","7","8","5","1") = "7"
    & skf18("3","8","2","7","8","6","1") = "7"
    & skf18("3","8","2","7","8","7","1") = "7"
    & skf18("3","8","2","7","8","8","1") = "7"
    & skf18("3","8","2","7","8","9","1") = "8"
    & skf18("3","8","2","7","8","10","1") = "9"
    & skf18("3","8","2","7","9","1","1") = "8"
    & skf18("3","8","2","7","9","2","1") = "8"
    & skf18("3","8","2","7","9","3","1") = "8"
    & skf18("3","8","2","7","9","4","1") = "8"
    & skf18("3","8","2","7","9","5","1") = "8"
    & skf18("3","8","2","7","9","6","1") = "8"
    & skf18("3","8","2","7","9","7","1") = "8"
    & skf18("3","8","2","7","9","8","1") = "8"
    & skf18("3","8","2","7","9","9","1") = "8"
    & skf18("3","8","2","7","9","10","1") = "9"
    & skf18("3","8","2","7","10","1","1") = "9"
    & skf18("3","8","2","7","10","2","1") = "9"
    & skf18("3","8","2","7","10","3","1") = "9"
    & skf18("3","8","2","7","10","4","1") = "9"
    & skf18("3","8","2","7","10","5","1") = "9"
    & skf18("3","8","2","7","10","6","1") = "9"
    & skf18("3","8","2","7","10","7","1") = "9"
    & skf18("3","8","2","7","10","8","1") = "9"
    & skf18("3","8","2","7","10","9","1") = "9"
    & skf18("3","8","2","7","10","10","1") = "9"
    & skf18("3","8","2","8","1","1","1") = "7"
    & skf18("3","8","2","8","1","2","1") = "7"
    & skf18("3","8","2","8","1","3","1") = "7"
    & skf18("3","8","2","8","1","4","1") = "7"
    & skf18("3","8","2","8","1","5","1") = "7"
    & skf18("3","8","2","8","1","6","1") = "7"
    & skf18("3","8","2","8","1","7","1") = "7"
    & skf18("3","8","2","8","1","8","1") = "7"
    & skf18("3","8","2","8","1","9","1") = "8"
    & skf18("3","8","2","8","1","10","1") = "9"
    & skf18("3","8","2","8","2","1","1") = "7"
    & skf18("3","8","2","8","2","2","1") = "7"
    & skf18("3","8","2","8","2","3","1") = "7"
    & skf18("3","8","2","8","2","4","1") = "7"
    & skf18("3","8","2","8","2","5","1") = "7"
    & skf18("3","8","2","8","2","6","1") = "7"
    & skf18("3","8","2","8","2","7","1") = "7"
    & skf18("3","8","2","8","2","8","1") = "7"
    & skf18("3","8","2","8","2","9","1") = "8"
    & skf18("3","8","2","8","2","10","1") = "9"
    & skf18("3","8","2","8","3","1","1") = "7"
    & skf18("3","8","2","8","3","2","1") = "7"
    & skf18("3","8","2","8","3","3","1") = "7"
    & skf18("3","8","2","8","3","4","1") = "7"
    & skf18("3","8","2","8","3","5","1") = "7"
    & skf18("3","8","2","8","3","6","1") = "7"
    & skf18("3","8","2","8","3","7","1") = "7"
    & skf18("3","8","2","8","3","8","1") = "7"
    & skf18("3","8","2","8","3","9","1") = "8"
    & skf18("3","8","2","8","3","10","1") = "9"
    & skf18("3","8","2","8","4","1","1") = "7"
    & skf18("3","8","2","8","4","2","1") = "7"
    & skf18("3","8","2","8","4","3","1") = "7"
    & skf18("3","8","2","8","4","4","1") = "7"
    & skf18("3","8","2","8","4","5","1") = "7"
    & skf18("3","8","2","8","4","6","1") = "7"
    & skf18("3","8","2","8","4","7","1") = "7"
    & skf18("3","8","2","8","4","8","1") = "7"
    & skf18("3","8","2","8","4","9","1") = "8"
    & skf18("3","8","2","8","4","10","1") = "9"
    & skf18("3","8","2","8","5","1","1") = "7"
    & skf18("3","8","2","8","5","2","1") = "7"
    & skf18("3","8","2","8","5","3","1") = "7"
    & skf18("3","8","2","8","5","4","1") = "7"
    & skf18("3","8","2","8","5","5","1") = "7"
    & skf18("3","8","2","8","5","6","1") = "7"
    & skf18("3","8","2","8","5","7","1") = "7"
    & skf18("3","8","2","8","5","8","1") = "7"
    & skf18("3","8","2","8","5","9","1") = "8"
    & skf18("3","8","2","8","5","10","1") = "9"
    & skf18("3","8","2","8","6","1","1") = "7"
    & skf18("3","8","2","8","6","2","1") = "7"
    & skf18("3","8","2","8","6","3","1") = "7"
    & skf18("3","8","2","8","6","4","1") = "7"
    & skf18("3","8","2","8","6","5","1") = "7"
    & skf18("3","8","2","8","6","6","1") = "7"
    & skf18("3","8","2","8","6","7","1") = "7"
    & skf18("3","8","2","8","6","8","1") = "7"
    & skf18("3","8","2","8","6","9","1") = "8"
    & skf18("3","8","2","8","6","10","1") = "9"
    & skf18("3","8","2","8","7","1","1") = "7"
    & skf18("3","8","2","8","7","2","1") = "7"
    & skf18("3","8","2","8","7","3","1") = "7"
    & skf18("3","8","2","8","7","4","1") = "7"
    & skf18("3","8","2","8","7","5","1") = "7"
    & skf18("3","8","2","8","7","6","1") = "7"
    & skf18("3","8","2","8","7","7","1") = "7"
    & skf18("3","8","2","8","7","8","1") = "7"
    & skf18("3","8","2","8","7","9","1") = "8"
    & skf18("3","8","2","8","7","10","1") = "9"
    & skf18("3","8","2","8","8","1","1") = "7"
    & skf18("3","8","2","8","8","2","1") = "7"
    & skf18("3","8","2","8","8","3","1") = "7"
    & skf18("3","8","2","8","8","4","1") = "7"
    & skf18("3","8","2","8","8","5","1") = "7"
    & skf18("3","8","2","8","8","6","1") = "7"
    & skf18("3","8","2","8","8","7","1") = "7"
    & skf18("3","8","2","8","8","8","1") = "7"
    & skf18("3","8","2","8","8","9","1") = "8"
    & skf18("3","8","2","8","8","10","1") = "9"
    & skf18("3","8","2","8","9","1","1") = "8"
    & skf18("3","8","2","8","9","2","1") = "8"
    & skf18("3","8","2","8","9","3","1") = "8"
    & skf18("3","8","2","8","9","4","1") = "8"
    & skf18("3","8","2","8","9","5","1") = "8"
    & skf18("3","8","2","8","9","6","1") = "8"
    & skf18("3","8","2","8","9","7","1") = "8"
    & skf18("3","8","2","8","9","8","1") = "8"
    & skf18("3","8","2","8","9","9","1") = "8"
    & skf18("3","8","2","8","9","10","1") = "9"
    & skf18("3","8","2","8","10","1","1") = "9"
    & skf18("3","8","2","8","10","2","1") = "9"
    & skf18("3","8","2","8","10","3","1") = "9"
    & skf18("3","8","2","8","10","4","1") = "9"
    & skf18("3","8","2","8","10","5","1") = "9"
    & skf18("3","8","2","8","10","6","1") = "9"
    & skf18("3","8","2","8","10","7","1") = "9"
    & skf18("3","8","2","8","10","8","1") = "9"
    & skf18("3","8","2","8","10","9","1") = "9"
    & skf18("3","8","2","8","10","10","1") = "9"
    & skf18("3","8","2","9","1","1","1") = "8"
    & skf18("3","8","2","9","1","2","1") = "8"
    & skf18("3","8","2","9","1","3","1") = "8"
    & skf18("3","8","2","9","1","4","1") = "8"
    & skf18("3","8","2","9","1","5","1") = "8"
    & skf18("3","8","2","9","1","6","1") = "8"
    & skf18("3","8","2","9","1","7","1") = "8"
    & skf18("3","8","2","9","1","8","1") = "8"
    & skf18("3","8","2","9","1","9","1") = "8"
    & skf18("3","8","2","9","1","10","1") = "9"
    & skf18("3","8","2","9","2","1","1") = "8"
    & skf18("3","8","2","9","2","2","1") = "8"
    & skf18("3","8","2","9","2","3","1") = "8"
    & skf18("3","8","2","9","2","4","1") = "8"
    & skf18("3","8","2","9","2","5","1") = "8"
    & skf18("3","8","2","9","2","6","1") = "8"
    & skf18("3","8","2","9","2","7","1") = "8"
    & skf18("3","8","2","9","2","8","1") = "8"
    & skf18("3","8","2","9","2","9","1") = "8"
    & skf18("3","8","2","9","2","10","1") = "9"
    & skf18("3","8","2","9","3","1","1") = "8"
    & skf18("3","8","2","9","3","2","1") = "8"
    & skf18("3","8","2","9","3","3","1") = "8"
    & skf18("3","8","2","9","3","4","1") = "8"
    & skf18("3","8","2","9","3","5","1") = "8"
    & skf18("3","8","2","9","3","6","1") = "8"
    & skf18("3","8","2","9","3","7","1") = "8"
    & skf18("3","8","2","9","3","8","1") = "8"
    & skf18("3","8","2","9","3","9","1") = "8"
    & skf18("3","8","2","9","3","10","1") = "9"
    & skf18("3","8","2","9","4","1","1") = "8"
    & skf18("3","8","2","9","4","2","1") = "8"
    & skf18("3","8","2","9","4","3","1") = "8"
    & skf18("3","8","2","9","4","4","1") = "8"
    & skf18("3","8","2","9","4","5","1") = "8"
    & skf18("3","8","2","9","4","6","1") = "8"
    & skf18("3","8","2","9","4","7","1") = "8"
    & skf18("3","8","2","9","4","8","1") = "8"
    & skf18("3","8","2","9","4","9","1") = "8"
    & skf18("3","8","2","9","4","10","1") = "9"
    & skf18("3","8","2","9","5","1","1") = "8"
    & skf18("3","8","2","9","5","2","1") = "8"
    & skf18("3","8","2","9","5","3","1") = "8"
    & skf18("3","8","2","9","5","4","1") = "8"
    & skf18("3","8","2","9","5","5","1") = "8"
    & skf18("3","8","2","9","5","6","1") = "8"
    & skf18("3","8","2","9","5","7","1") = "8"
    & skf18("3","8","2","9","5","8","1") = "8"
    & skf18("3","8","2","9","5","9","1") = "8"
    & skf18("3","8","2","9","5","10","1") = "9"
    & skf18("3","8","2","9","6","1","1") = "8"
    & skf18("3","8","2","9","6","2","1") = "8"
    & skf18("3","8","2","9","6","3","1") = "8"
    & skf18("3","8","2","9","6","4","1") = "8"
    & skf18("3","8","2","9","6","5","1") = "8"
    & skf18("3","8","2","9","6","6","1") = "8"
    & skf18("3","8","2","9","6","7","1") = "8"
    & skf18("3","8","2","9","6","8","1") = "8"
    & skf18("3","8","2","9","6","9","1") = "8"
    & skf18("3","8","2","9","6","10","1") = "9"
    & skf18("3","8","2","9","7","1","1") = "8"
    & skf18("3","8","2","9","7","2","1") = "8"
    & skf18("3","8","2","9","7","3","1") = "8"
    & skf18("3","8","2","9","7","4","1") = "8"
    & skf18("3","8","2","9","7","5","1") = "8"
    & skf18("3","8","2","9","7","6","1") = "8"
    & skf18("3","8","2","9","7","7","1") = "8"
    & skf18("3","8","2","9","7","8","1") = "8"
    & skf18("3","8","2","9","7","9","1") = "8"
    & skf18("3","8","2","9","7","10","1") = "9"
    & skf18("3","8","2","9","8","1","1") = "8"
    & skf18("3","8","2","9","8","2","1") = "8"
    & skf18("3","8","2","9","8","3","1") = "8"
    & skf18("3","8","2","9","8","4","1") = "8"
    & skf18("3","8","2","9","8","5","1") = "8"
    & skf18("3","8","2","9","8","6","1") = "8"
    & skf18("3","8","2","9","8","7","1") = "8"
    & skf18("3","8","2","9","8","8","1") = "8"
    & skf18("3","8","2","9","8","9","1") = "8"
    & skf18("3","8","2","9","8","10","1") = "9"
    & skf18("3","8","2","9","9","1","1") = "8"
    & skf18("3","8","2","9","9","2","1") = "8"
    & skf18("3","8","2","9","9","3","1") = "8"
    & skf18("3","8","2","9","9","4","1") = "8"
    & skf18("3","8","2","9","9","5","1") = "8"
    & skf18("3","8","2","9","9","6","1") = "8"
    & skf18("3","8","2","9","9","7","1") = "8"
    & skf18("3","8","2","9","9","8","1") = "8"
    & skf18("3","8","2","9","9","9","1") = "8"
    & skf18("3","8","2","9","9","10","1") = "9"
    & skf18("3","8","2","9","10","1","1") = "9"
    & skf18("3","8","2","9","10","2","1") = "9"
    & skf18("3","8","2","9","10","3","1") = "9"
    & skf18("3","8","2","9","10","4","1") = "9"
    & skf18("3","8","2","9","10","5","1") = "9"
    & skf18("3","8","2","9","10","6","1") = "9"
    & skf18("3","8","2","9","10","7","1") = "9"
    & skf18("3","8","2","9","10","8","1") = "9"
    & skf18("3","8","2","9","10","9","1") = "9"
    & skf18("3","8","2","9","10","10","1") = "9"
    & skf18("3","8","2","10","1","1","1") = "9"
    & skf18("3","8","2","10","1","2","1") = "9"
    & skf18("3","8","2","10","1","3","1") = "9"
    & skf18("3","8","2","10","1","4","1") = "9"
    & skf18("3","8","2","10","1","5","1") = "9"
    & skf18("3","8","2","10","1","6","1") = "9"
    & skf18("3","8","2","10","1","7","1") = "9"
    & skf18("3","8","2","10","1","8","1") = "9"
    & skf18("3","8","2","10","1","9","1") = "9"
    & skf18("3","8","2","10","1","10","1") = "9"
    & skf18("3","8","2","10","2","1","1") = "9"
    & skf18("3","8","2","10","2","2","1") = "9"
    & skf18("3","8","2","10","2","3","1") = "9"
    & skf18("3","8","2","10","2","4","1") = "9"
    & skf18("3","8","2","10","2","5","1") = "9"
    & skf18("3","8","2","10","2","6","1") = "9"
    & skf18("3","8","2","10","2","7","1") = "9"
    & skf18("3","8","2","10","2","8","1") = "9"
    & skf18("3","8","2","10","2","9","1") = "9"
    & skf18("3","8","2","10","2","10","1") = "9"
    & skf18("3","8","2","10","3","1","1") = "9"
    & skf18("3","8","2","10","3","2","1") = "9"
    & skf18("3","8","2","10","3","3","1") = "9"
    & skf18("3","8","2","10","3","4","1") = "9"
    & skf18("3","8","2","10","3","5","1") = "9"
    & skf18("3","8","2","10","3","6","1") = "9"
    & skf18("3","8","2","10","3","7","1") = "9"
    & skf18("3","8","2","10","3","8","1") = "9"
    & skf18("3","8","2","10","3","9","1") = "9"
    & skf18("3","8","2","10","3","10","1") = "9"
    & skf18("3","8","2","10","4","1","1") = "9"
    & skf18("3","8","2","10","4","2","1") = "9"
    & skf18("3","8","2","10","4","3","1") = "9"
    & skf18("3","8","2","10","4","4","1") = "9"
    & skf18("3","8","2","10","4","5","1") = "9"
    & skf18("3","8","2","10","4","6","1") = "9"
    & skf18("3","8","2","10","4","7","1") = "9"
    & skf18("3","8","2","10","4","8","1") = "9"
    & skf18("3","8","2","10","4","9","1") = "9"
    & skf18("3","8","2","10","4","10","1") = "9"
    & skf18("3","8","2","10","5","1","1") = "9"
    & skf18("3","8","2","10","5","2","1") = "9"
    & skf18("3","8","2","10","5","3","1") = "9"
    & skf18("3","8","2","10","5","4","1") = "9"
    & skf18("3","8","2","10","5","5","1") = "9"
    & skf18("3","8","2","10","5","6","1") = "9"
    & skf18("3","8","2","10","5","7","1") = "9"
    & skf18("3","8","2","10","5","8","1") = "9"
    & skf18("3","8","2","10","5","9","1") = "9"
    & skf18("3","8","2","10","5","10","1") = "9"
    & skf18("3","8","2","10","6","1","1") = "9"
    & skf18("3","8","2","10","6","2","1") = "9"
    & skf18("3","8","2","10","6","3","1") = "9"
    & skf18("3","8","2","10","6","4","1") = "9"
    & skf18("3","8","2","10","6","5","1") = "9"
    & skf18("3","8","2","10","6","6","1") = "9"
    & skf18("3","8","2","10","6","7","1") = "9"
    & skf18("3","8","2","10","6","8","1") = "9"
    & skf18("3","8","2","10","6","9","1") = "9"
    & skf18("3","8","2","10","6","10","1") = "9"
    & skf18("3","8","2","10","7","1","1") = "9"
    & skf18("3","8","2","10","7","2","1") = "9"
    & skf18("3","8","2","10","7","3","1") = "9"
    & skf18("3","8","2","10","7","4","1") = "9"
    & skf18("3","8","2","10","7","5","1") = "9"
    & skf18("3","8","2","10","7","6","1") = "9"
    & skf18("3","8","2","10","7","7","1") = "9"
    & skf18("3","8","2","10","7","8","1") = "9"
    & skf18("3","8","2","10","7","9","1") = "9"
    & skf18("3","8","2","10","7","10","1") = "9"
    & skf18("3","8","2","10","8","1","1") = "9"
    & skf18("3","8","2","10","8","2","1") = "9"
    & skf18("3","8","2","10","8","3","1") = "9"
    & skf18("3","8","2","10","8","4","1") = "9"
    & skf18("3","8","2","10","8","5","1") = "9"
    & skf18("3","8","2","10","8","6","1") = "9"
    & skf18("3","8","2","10","8","7","1") = "9"
    & skf18("3","8","2","10","8","8","1") = "9"
    & skf18("3","8","2","10","8","9","1") = "9"
    & skf18("3","8","2","10","8","10","1") = "9"
    & skf18("3","8","2","10","9","1","1") = "9"
    & skf18("3","8","2","10","9","2","1") = "9"
    & skf18("3","8","2","10","9","3","1") = "9"
    & skf18("3","8","2","10","9","4","1") = "9"
    & skf18("3","8","2","10","9","5","1") = "9"
    & skf18("3","8","2","10","9","6","1") = "9"
    & skf18("3","8","2","10","9","7","1") = "9"
    & skf18("3","8","2","10","9","8","1") = "9"
    & skf18("3","8","2","10","9","9","1") = "9"
    & skf18("3","8","2","10","9","10","1") = "9"
    & skf18("3","8","2","10","10","1","1") = "9"
    & skf18("3","8","2","10","10","2","1") = "9"
    & skf18("3","8","2","10","10","3","1") = "9"
    & skf18("3","8","2","10","10","4","1") = "9"
    & skf18("3","8","2","10","10","5","1") = "9"
    & skf18("3","8","2","10","10","6","1") = "9"
    & skf18("3","8","2","10","10","7","1") = "9"
    & skf18("3","8","2","10","10","8","1") = "9"
    & skf18("3","8","2","10","10","9","1") = "9"
    & skf18("3","8","2","10","10","10","1") = "9"
    & skf18("3","8","3","1","1","1","1") = "7"
    & skf18("3","8","3","1","1","2","1") = "7"
    & skf18("3","8","3","1","1","3","1") = "7"
    & skf18("3","8","3","1","1","4","1") = "7"
    & skf18("3","8","3","1","1","5","1") = "7"
    & skf18("3","8","3","1","1","6","1") = "7"
    & skf18("3","8","3","1","1","7","1") = "7"
    & skf18("3","8","3","1","1","8","1") = "7"
    & skf18("3","8","3","1","1","9","1") = "8"
    & skf18("3","8","3","1","1","10","1") = "9"
    & skf18("3","8","3","1","2","1","1") = "7"
    & skf18("3","8","3","1","2","2","1") = "7"
    & skf18("3","8","3","1","2","3","1") = "7"
    & skf18("3","8","3","1","2","4","1") = "7"
    & skf18("3","8","3","1","2","5","1") = "7"
    & skf18("3","8","3","1","2","6","1") = "7"
    & skf18("3","8","3","1","2","7","1") = "7"
    & skf18("3","8","3","1","2","8","1") = "7"
    & skf18("3","8","3","1","2","9","1") = "8"
    & skf18("3","8","3","1","2","10","1") = "9"
    & skf18("3","8","3","1","3","1","1") = "7"
    & skf18("3","8","3","1","3","2","1") = "7"
    & skf18("3","8","3","1","3","3","1") = "7"
    & skf18("3","8","3","1","3","4","1") = "7"
    & skf18("3","8","3","1","3","5","1") = "7"
    & skf18("3","8","3","1","3","6","1") = "7"
    & skf18("3","8","3","1","3","7","1") = "7"
    & skf18("3","8","3","1","3","8","1") = "7"
    & skf18("3","8","3","1","3","9","1") = "8"
    & skf18("3","8","3","1","3","10","1") = "9"
    & skf18("3","8","3","1","4","1","1") = "7"
    & skf18("3","8","3","1","4","2","1") = "7"
    & skf18("3","8","3","1","4","3","1") = "7"
    & skf18("3","8","3","1","4","4","1") = "7"
    & skf18("3","8","3","1","4","5","1") = "7"
    & skf18("3","8","3","1","4","6","1") = "7"
    & skf18("3","8","3","1","4","7","1") = "7"
    & skf18("3","8","3","1","4","8","1") = "7"
    & skf18("3","8","3","1","4","9","1") = "8"
    & skf18("3","8","3","1","4","10","1") = "9"
    & skf18("3","8","3","1","5","1","1") = "7"
    & skf18("3","8","3","1","5","2","1") = "7"
    & skf18("3","8","3","1","5","3","1") = "7"
    & skf18("3","8","3","1","5","4","1") = "7"
    & skf18("3","8","3","1","5","5","1") = "7"
    & skf18("3","8","3","1","5","6","1") = "7"
    & skf18("3","8","3","1","5","7","1") = "7"
    & skf18("3","8","3","1","5","8","1") = "7"
    & skf18("3","8","3","1","5","9","1") = "8"
    & skf18("3","8","3","1","5","10","1") = "9"
    & skf18("3","8","3","1","6","1","1") = "7"
    & skf18("3","8","3","1","6","2","1") = "7"
    & skf18("3","8","3","1","6","3","1") = "7"
    & skf18("3","8","3","1","6","4","1") = "7"
    & skf18("3","8","3","1","6","5","1") = "7"
    & skf18("3","8","3","1","6","6","1") = "7"
    & skf18("3","8","3","1","6","7","1") = "7"
    & skf18("3","8","3","1","6","8","1") = "7"
    & skf18("3","8","3","1","6","9","1") = "8"
    & skf18("3","8","3","1","6","10","1") = "9"
    & skf18("3","8","3","1","7","1","1") = "7"
    & skf18("3","8","3","1","7","2","1") = "7"
    & skf18("3","8","3","1","7","3","1") = "7"
    & skf18("3","8","3","1","7","4","1") = "7"
    & skf18("3","8","3","1","7","5","1") = "7"
    & skf18("3","8","3","1","7","6","1") = "7"
    & skf18("3","8","3","1","7","7","1") = "7"
    & skf18("3","8","3","1","7","8","1") = "7"
    & skf18("3","8","3","1","7","9","1") = "8"
    & skf18("3","8","3","1","7","10","1") = "9"
    & skf18("3","8","3","1","8","1","1") = "7"
    & skf18("3","8","3","1","8","2","1") = "7"
    & skf18("3","8","3","1","8","3","1") = "7"
    & skf18("3","8","3","1","8","4","1") = "7"
    & skf18("3","8","3","1","8","5","1") = "7"
    & skf18("3","8","3","1","8","6","1") = "7"
    & skf18("3","8","3","1","8","7","1") = "7"
    & skf18("3","8","3","1","8","8","1") = "7"
    & skf18("3","8","3","1","8","9","1") = "8"
    & skf18("3","8","3","1","8","10","1") = "9"
    & skf18("3","8","3","1","9","1","1") = "8"
    & skf18("3","8","3","1","9","2","1") = "8"
    & skf18("3","8","3","1","9","3","1") = "8"
    & skf18("3","8","3","1","9","4","1") = "8"
    & skf18("3","8","3","1","9","5","1") = "8"
    & skf18("3","8","3","1","9","6","1") = "8"
    & skf18("3","8","3","1","9","7","1") = "8"
    & skf18("3","8","3","1","9","8","1") = "8"
    & skf18("3","8","3","1","9","9","1") = "8"
    & skf18("3","8","3","1","9","10","1") = "9"
    & skf18("3","8","3","1","10","1","1") = "9"
    & skf18("3","8","3","1","10","2","1") = "9"
    & skf18("3","8","3","1","10","3","1") = "9"
    & skf18("3","8","3","1","10","4","1") = "9"
    & skf18("3","8","3","1","10","5","1") = "9"
    & skf18("3","8","3","1","10","6","1") = "9"
    & skf18("3","8","3","1","10","7","1") = "9"
    & skf18("3","8","3","1","10","8","1") = "9"
    & skf18("3","8","3","1","10","9","1") = "9"
    & skf18("3","8","3","1","10","10","1") = "9"
    & skf18("3","8","3","2","1","1","1") = "7"
    & skf18("3","8","3","2","1","2","1") = "7"
    & skf18("3","8","3","2","1","3","1") = "7"
    & skf18("3","8","3","2","1","4","1") = "7"
    & skf18("3","8","3","2","1","5","1") = "7"
    & skf18("3","8","3","2","1","6","1") = "7"
    & skf18("3","8","3","2","1","7","1") = "7"
    & skf18("3","8","3","2","1","8","1") = "7"
    & skf18("3","8","3","2","1","9","1") = "8"
    & skf18("3","8","3","2","1","10","1") = "9"
    & skf18("3","8","3","2","2","1","1") = "7"
    & skf18("3","8","3","2","2","2","1") = "7"
    & skf18("3","8","3","2","2","3","1") = "7"
    & skf18("3","8","3","2","2","4","1") = "7"
    & skf18("3","8","3","2","2","5","1") = "7"
    & skf18("3","8","3","2","2","6","1") = "7"
    & skf18("3","8","3","2","2","7","1") = "7"
    & skf18("3","8","3","2","2","8","1") = "7"
    & skf18("3","8","3","2","2","9","1") = "8"
    & skf18("3","8","3","2","2","10","1") = "9"
    & skf18("3","8","3","2","3","1","1") = "7"
    & skf18("3","8","3","2","3","2","1") = "7"
    & skf18("3","8","3","2","3","3","1") = "7"
    & skf18("3","8","3","2","3","4","1") = "7"
    & skf18("3","8","3","2","3","5","1") = "7"
    & skf18("3","8","3","2","3","6","1") = "7"
    & skf18("3","8","3","2","3","7","1") = "7"
    & skf18("3","8","3","2","3","8","1") = "7"
    & skf18("3","8","3","2","3","9","1") = "8"
    & skf18("3","8","3","2","3","10","1") = "9"
    & skf18("3","8","3","2","4","1","1") = "7"
    & skf18("3","8","3","2","4","2","1") = "7"
    & skf18("3","8","3","2","4","3","1") = "7"
    & skf18("3","8","3","2","4","4","1") = "7"
    & skf18("3","8","3","2","4","5","1") = "7"
    & skf18("3","8","3","2","4","6","1") = "7"
    & skf18("3","8","3","2","4","7","1") = "7"
    & skf18("3","8","3","2","4","8","1") = "7"
    & skf18("3","8","3","2","4","9","1") = "8"
    & skf18("3","8","3","2","4","10","1") = "9"
    & skf18("3","8","3","2","5","1","1") = "7"
    & skf18("3","8","3","2","5","2","1") = "7"
    & skf18("3","8","3","2","5","3","1") = "7"
    & skf18("3","8","3","2","5","4","1") = "7"
    & skf18("3","8","3","2","5","5","1") = "7"
    & skf18("3","8","3","2","5","6","1") = "7"
    & skf18("3","8","3","2","5","7","1") = "7"
    & skf18("3","8","3","2","5","8","1") = "7"
    & skf18("3","8","3","2","5","9","1") = "8"
    & skf18("3","8","3","2","5","10","1") = "9"
    & skf18("3","8","3","2","6","1","1") = "7"
    & skf18("3","8","3","2","6","2","1") = "7"
    & skf18("3","8","3","2","6","3","1") = "7"
    & skf18("3","8","3","2","6","4","1") = "7"
    & skf18("3","8","3","2","6","5","1") = "7"
    & skf18("3","8","3","2","6","6","1") = "7"
    & skf18("3","8","3","2","6","7","1") = "7"
    & skf18("3","8","3","2","6","8","1") = "7"
    & skf18("3","8","3","2","6","9","1") = "8"
    & skf18("3","8","3","2","6","10","1") = "9"
    & skf18("3","8","3","2","7","1","1") = "7"
    & skf18("3","8","3","2","7","2","1") = "7"
    & skf18("3","8","3","2","7","3","1") = "7"
    & skf18("3","8","3","2","7","4","1") = "7"
    & skf18("3","8","3","2","7","5","1") = "7"
    & skf18("3","8","3","2","7","6","1") = "7"
    & skf18("3","8","3","2","7","7","1") = "7"
    & skf18("3","8","3","2","7","8","1") = "7"
    & skf18("3","8","3","2","7","9","1") = "8"
    & skf18("3","8","3","2","7","10","1") = "9"
    & skf18("3","8","3","2","8","1","1") = "7"
    & skf18("3","8","3","2","8","2","1") = "7"
    & skf18("3","8","3","2","8","3","1") = "7"
    & skf18("3","8","3","2","8","4","1") = "7"
    & skf18("3","8","3","2","8","5","1") = "7"
    & skf18("3","8","3","2","8","6","1") = "7"
    & skf18("3","8","3","2","8","7","1") = "7"
    & skf18("3","8","3","2","8","8","1") = "7"
    & skf18("3","8","3","2","8","9","1") = "8"
    & skf18("3","8","3","2","8","10","1") = "9"
    & skf18("3","8","3","2","9","1","1") = "8"
    & skf18("3","8","3","2","9","2","1") = "8"
    & skf18("3","8","3","2","9","3","1") = "8"
    & skf18("3","8","3","2","9","4","1") = "8"
    & skf18("3","8","3","2","9","5","1") = "8"
    & skf18("3","8","3","2","9","6","1") = "8"
    & skf18("3","8","3","2","9","7","1") = "8"
    & skf18("3","8","3","2","9","8","1") = "8"
    & skf18("3","8","3","2","9","9","1") = "8"
    & skf18("3","8","3","2","9","10","1") = "9"
    & skf18("3","8","3","2","10","1","1") = "9"
    & skf18("3","8","3","2","10","2","1") = "9"
    & skf18("3","8","3","2","10","3","1") = "9"
    & skf18("3","8","3","2","10","4","1") = "9"
    & skf18("3","8","3","2","10","5","1") = "9"
    & skf18("3","8","3","2","10","6","1") = "9"
    & skf18("3","8","3","2","10","7","1") = "9"
    & skf18("3","8","3","2","10","8","1") = "9"
    & skf18("3","8","3","2","10","9","1") = "9"
    & skf18("3","8","3","2","10","10","1") = "9"
    & skf18("3","8","3","3","1","1","1") = "7"
    & skf18("3","8","3","3","1","2","1") = "7"
    & skf18("3","8","3","3","1","3","1") = "7"
    & skf18("3","8","3","3","1","4","1") = "7"
    & skf18("3","8","3","3","1","5","1") = "7"
    & skf18("3","8","3","3","1","6","1") = "7"
    & skf18("3","8","3","3","1","7","1") = "7"
    & skf18("3","8","3","3","1","8","1") = "7"
    & skf18("3","8","3","3","1","9","1") = "8"
    & skf18("3","8","3","3","1","10","1") = "9"
    & skf18("3","8","3","3","2","1","1") = "7"
    & skf18("3","8","3","3","2","2","1") = "7"
    & skf18("3","8","3","3","2","3","1") = "7"
    & skf18("3","8","3","3","2","4","1") = "7"
    & skf18("3","8","3","3","2","5","1") = "7"
    & skf18("3","8","3","3","2","6","1") = "7"
    & skf18("3","8","3","3","2","7","1") = "7"
    & skf18("3","8","3","3","2","8","1") = "7"
    & skf18("3","8","3","3","2","9","1") = "8"
    & skf18("3","8","3","3","2","10","1") = "9"
    & skf18("3","8","3","3","3","1","1") = "7"
    & skf18("3","8","3","3","3","2","1") = "7"
    & skf18("3","8","3","3","3","3","1") = "7"
    & skf18("3","8","3","3","3","4","1") = "7"
    & skf18("3","8","3","3","3","5","1") = "7"
    & skf18("3","8","3","3","3","6","1") = "7"
    & skf18("3","8","3","3","3","7","1") = "7"
    & skf18("3","8","3","3","3","8","1") = "7"
    & skf18("3","8","3","3","3","9","1") = "8"
    & skf18("3","8","3","3","3","10","1") = "9"
    & skf18("3","8","3","3","4","1","1") = "7"
    & skf18("3","8","3","3","4","2","1") = "7"
    & skf18("3","8","3","3","4","3","1") = "7"
    & skf18("3","8","3","3","4","4","1") = "7"
    & skf18("3","8","3","3","4","5","1") = "7"
    & skf18("3","8","3","3","4","6","1") = "7"
    & skf18("3","8","3","3","4","7","1") = "7"
    & skf18("3","8","3","3","4","8","1") = "7"
    & skf18("3","8","3","3","4","9","1") = "8"
    & skf18("3","8","3","3","4","10","1") = "9"
    & skf18("3","8","3","3","5","1","1") = "7"
    & skf18("3","8","3","3","5","2","1") = "7"
    & skf18("3","8","3","3","5","3","1") = "7"
    & skf18("3","8","3","3","5","4","1") = "7"
    & skf18("3","8","3","3","5","5","1") = "7"
    & skf18("3","8","3","3","5","6","1") = "7"
    & skf18("3","8","3","3","5","7","1") = "7"
    & skf18("3","8","3","3","5","8","1") = "7"
    & skf18("3","8","3","3","5","9","1") = "8"
    & skf18("3","8","3","3","5","10","1") = "9"
    & skf18("3","8","3","3","6","1","1") = "7"
    & skf18("3","8","3","3","6","2","1") = "7"
    & skf18("3","8","3","3","6","3","1") = "7"
    & skf18("3","8","3","3","6","4","1") = "7"
    & skf18("3","8","3","3","6","5","1") = "7"
    & skf18("3","8","3","3","6","6","1") = "7"
    & skf18("3","8","3","3","6","7","1") = "7"
    & skf18("3","8","3","3","6","8","1") = "7"
    & skf18("3","8","3","3","6","9","1") = "8"
    & skf18("3","8","3","3","6","10","1") = "9"
    & skf18("3","8","3","3","7","1","1") = "7"
    & skf18("3","8","3","3","7","2","1") = "7"
    & skf18("3","8","3","3","7","3","1") = "7"
    & skf18("3","8","3","3","7","4","1") = "7"
    & skf18("3","8","3","3","7","5","1") = "7"
    & skf18("3","8","3","3","7","6","1") = "7"
    & skf18("3","8","3","3","7","7","1") = "7"
    & skf18("3","8","3","3","7","8","1") = "7"
    & skf18("3","8","3","3","7","9","1") = "8"
    & skf18("3","8","3","3","7","10","1") = "9"
    & skf18("3","8","3","3","8","1","1") = "7"
    & skf18("3","8","3","3","8","2","1") = "7"
    & skf18("3","8","3","3","8","3","1") = "7"
    & skf18("3","8","3","3","8","4","1") = "7"
    & skf18("3","8","3","3","8","5","1") = "7"
    & skf18("3","8","3","3","8","6","1") = "7"
    & skf18("3","8","3","3","8","7","1") = "7"
    & skf18("3","8","3","3","8","8","1") = "7"
    & skf18("3","8","3","3","8","9","1") = "8"
    & skf18("3","8","3","3","8","10","1") = "9"
    & skf18("3","8","3","3","9","1","1") = "8"
    & skf18("3","8","3","3","9","2","1") = "8"
    & skf18("3","8","3","3","9","3","1") = "8"
    & skf18("3","8","3","3","9","4","1") = "8"
    & skf18("3","8","3","3","9","5","1") = "8"
    & skf18("3","8","3","3","9","6","1") = "8"
    & skf18("3","8","3","3","9","7","1") = "8"
    & skf18("3","8","3","3","9","8","1") = "8"
    & skf18("3","8","3","3","9","9","1") = "8"
    & skf18("3","8","3","3","9","10","1") = "9"
    & skf18("3","8","3","3","10","1","1") = "9"
    & skf18("3","8","3","3","10","2","1") = "9"
    & skf18("3","8","3","3","10","3","1") = "9"
    & skf18("3","8","3","3","10","4","1") = "9"
    & skf18("3","8","3","3","10","5","1") = "9"
    & skf18("3","8","3","3","10","6","1") = "9"
    & skf18("3","8","3","3","10","7","1") = "9"
    & skf18("3","8","3","3","10","8","1") = "9"
    & skf18("3","8","3","3","10","9","1") = "9"
    & skf18("3","8","3","3","10","10","1") = "9"
    & skf18("3","8","3","4","1","1","1") = "7"
    & skf18("3","8","3","4","1","2","1") = "7"
    & skf18("3","8","3","4","1","3","1") = "7"
    & skf18("3","8","3","4","1","4","1") = "7"
    & skf18("3","8","3","4","1","5","1") = "7"
    & skf18("3","8","3","4","1","6","1") = "7"
    & skf18("3","8","3","4","1","7","1") = "7"
    & skf18("3","8","3","4","1","8","1") = "7"
    & skf18("3","8","3","4","1","9","1") = "8"
    & skf18("3","8","3","4","1","10","1") = "9"
    & skf18("3","8","3","4","2","1","1") = "7"
    & skf18("3","8","3","4","2","2","1") = "7"
    & skf18("3","8","3","4","2","3","1") = "7"
    & skf18("3","8","3","4","2","4","1") = "7"
    & skf18("3","8","3","4","2","5","1") = "7"
    & skf18("3","8","3","4","2","6","1") = "7"
    & skf18("3","8","3","4","2","7","1") = "7"
    & skf18("3","8","3","4","2","8","1") = "7"
    & skf18("3","8","3","4","2","9","1") = "8"
    & skf18("3","8","3","4","2","10","1") = "9"
    & skf18("3","8","3","4","3","1","1") = "7"
    & skf18("3","8","3","4","3","2","1") = "7"
    & skf18("3","8","3","4","3","3","1") = "7"
    & skf18("3","8","3","4","3","4","1") = "7"
    & skf18("3","8","3","4","3","5","1") = "7"
    & skf18("3","8","3","4","3","6","1") = "7"
    & skf18("3","8","3","4","3","7","1") = "7"
    & skf18("3","8","3","4","3","8","1") = "7"
    & skf18("3","8","3","4","3","9","1") = "8"
    & skf18("3","8","3","4","3","10","1") = "9"
    & skf18("3","8","3","4","4","1","1") = "7"
    & skf18("3","8","3","4","4","2","1") = "7"
    & skf18("3","8","3","4","4","3","1") = "7"
    & skf18("3","8","3","4","4","4","1") = "7"
    & skf18("3","8","3","4","4","5","1") = "7"
    & skf18("3","8","3","4","4","6","1") = "7"
    & skf18("3","8","3","4","4","7","1") = "7"
    & skf18("3","8","3","4","4","8","1") = "7"
    & skf18("3","8","3","4","4","9","1") = "8"
    & skf18("3","8","3","4","4","10","1") = "9"
    & skf18("3","8","3","4","5","1","1") = "7"
    & skf18("3","8","3","4","5","2","1") = "7"
    & skf18("3","8","3","4","5","3","1") = "7"
    & skf18("3","8","3","4","5","4","1") = "7"
    & skf18("3","8","3","4","5","5","1") = "7"
    & skf18("3","8","3","4","5","6","1") = "7"
    & skf18("3","8","3","4","5","7","1") = "7"
    & skf18("3","8","3","4","5","8","1") = "7"
    & skf18("3","8","3","4","5","9","1") = "8"
    & skf18("3","8","3","4","5","10","1") = "9"
    & skf18("3","8","3","4","6","1","1") = "7"
    & skf18("3","8","3","4","6","2","1") = "7"
    & skf18("3","8","3","4","6","3","1") = "7"
    & skf18("3","8","3","4","6","4","1") = "7"
    & skf18("3","8","3","4","6","5","1") = "7"
    & skf18("3","8","3","4","6","6","1") = "7"
    & skf18("3","8","3","4","6","7","1") = "7"
    & skf18("3","8","3","4","6","8","1") = "7"
    & skf18("3","8","3","4","6","9","1") = "8"
    & skf18("3","8","3","4","6","10","1") = "9"
    & skf18("3","8","3","4","7","1","1") = "7"
    & skf18("3","8","3","4","7","2","1") = "7"
    & skf18("3","8","3","4","7","3","1") = "7"
    & skf18("3","8","3","4","7","4","1") = "7"
    & skf18("3","8","3","4","7","5","1") = "7"
    & skf18("3","8","3","4","7","6","1") = "7"
    & skf18("3","8","3","4","7","7","1") = "7"
    & skf18("3","8","3","4","7","8","1") = "7"
    & skf18("3","8","3","4","7","9","1") = "8"
    & skf18("3","8","3","4","7","10","1") = "9"
    & skf18("3","8","3","4","8","1","1") = "7"
    & skf18("3","8","3","4","8","2","1") = "7"
    & skf18("3","8","3","4","8","3","1") = "7"
    & skf18("3","8","3","4","8","4","1") = "7"
    & skf18("3","8","3","4","8","5","1") = "7"
    & skf18("3","8","3","4","8","6","1") = "7"
    & skf18("3","8","3","4","8","7","1") = "7"
    & skf18("3","8","3","4","8","8","1") = "7"
    & skf18("3","8","3","4","8","9","1") = "8"
    & skf18("3","8","3","4","8","10","1") = "9"
    & skf18("3","8","3","4","9","1","1") = "8"
    & skf18("3","8","3","4","9","2","1") = "8"
    & skf18("3","8","3","4","9","3","1") = "8"
    & skf18("3","8","3","4","9","4","1") = "8"
    & skf18("3","8","3","4","9","5","1") = "8"
    & skf18("3","8","3","4","9","6","1") = "8"
    & skf18("3","8","3","4","9","7","1") = "8"
    & skf18("3","8","3","4","9","8","1") = "8"
    & skf18("3","8","3","4","9","9","1") = "8"
    & skf18("3","8","3","4","9","10","1") = "9"
    & skf18("3","8","3","4","10","1","1") = "9"
    & skf18("3","8","3","4","10","2","1") = "9"
    & skf18("3","8","3","4","10","3","1") = "9"
    & skf18("3","8","3","4","10","4","1") = "9"
    & skf18("3","8","3","4","10","5","1") = "9"
    & skf18("3","8","3","4","10","6","1") = "9"
    & skf18("3","8","3","4","10","7","1") = "9"
    & skf18("3","8","3","4","10","8","1") = "9"
    & skf18("3","8","3","4","10","9","1") = "9"
    & skf18("3","8","3","4","10","10","1") = "9"
    & skf18("3","8","3","5","1","1","1") = "7"
    & skf18("3","8","3","5","1","2","1") = "7"
    & skf18("3","8","3","5","1","3","1") = "7"
    & skf18("3","8","3","5","1","4","1") = "7"
    & skf18("3","8","3","5","1","5","1") = "7"
    & skf18("3","8","3","5","1","6","1") = "7"
    & skf18("3","8","3","5","1","7","1") = "7"
    & skf18("3","8","3","5","1","8","1") = "7"
    & skf18("3","8","3","5","1","9","1") = "8"
    & skf18("3","8","3","5","1","10","1") = "9"
    & skf18("3","8","3","5","2","1","1") = "7"
    & skf18("3","8","3","5","2","2","1") = "7"
    & skf18("3","8","3","5","2","3","1") = "7"
    & skf18("3","8","3","5","2","4","1") = "7"
    & skf18("3","8","3","5","2","5","1") = "7"
    & skf18("3","8","3","5","2","6","1") = "7"
    & skf18("3","8","3","5","2","7","1") = "7"
    & skf18("3","8","3","5","2","8","1") = "7"
    & skf18("3","8","3","5","2","9","1") = "8"
    & skf18("3","8","3","5","2","10","1") = "9"
    & skf18("3","8","3","5","3","1","1") = "7"
    & skf18("3","8","3","5","3","2","1") = "7"
    & skf18("3","8","3","5","3","3","1") = "7"
    & skf18("3","8","3","5","3","4","1") = "7"
    & skf18("3","8","3","5","3","5","1") = "7"
    & skf18("3","8","3","5","3","6","1") = "7"
    & skf18("3","8","3","5","3","7","1") = "7"
    & skf18("3","8","3","5","3","8","1") = "7"
    & skf18("3","8","3","5","3","9","1") = "8"
    & skf18("3","8","3","5","3","10","1") = "9"
    & skf18("3","8","3","5","4","1","1") = "7"
    & skf18("3","8","3","5","4","2","1") = "7"
    & skf18("3","8","3","5","4","3","1") = "7"
    & skf18("3","8","3","5","4","4","1") = "7"
    & skf18("3","8","3","5","4","5","1") = "7"
    & skf18("3","8","3","5","4","6","1") = "7"
    & skf18("3","8","3","5","4","7","1") = "7"
    & skf18("3","8","3","5","4","8","1") = "7"
    & skf18("3","8","3","5","4","9","1") = "8"
    & skf18("3","8","3","5","4","10","1") = "9"
    & skf18("3","8","3","5","5","1","1") = "7"
    & skf18("3","8","3","5","5","2","1") = "7"
    & skf18("3","8","3","5","5","3","1") = "7"
    & skf18("3","8","3","5","5","4","1") = "7"
    & skf18("3","8","3","5","5","5","1") = "7"
    & skf18("3","8","3","5","5","6","1") = "7"
    & skf18("3","8","3","5","5","7","1") = "7"
    & skf18("3","8","3","5","5","8","1") = "7"
    & skf18("3","8","3","5","5","9","1") = "8"
    & skf18("3","8","3","5","5","10","1") = "9"
    & skf18("3","8","3","5","6","1","1") = "7"
    & skf18("3","8","3","5","6","2","1") = "7"
    & skf18("3","8","3","5","6","3","1") = "7"
    & skf18("3","8","3","5","6","4","1") = "7"
    & skf18("3","8","3","5","6","5","1") = "7"
    & skf18("3","8","3","5","6","6","1") = "7"
    & skf18("3","8","3","5","6","7","1") = "7"
    & skf18("3","8","3","5","6","8","1") = "7"
    & skf18("3","8","3","5","6","9","1") = "8"
    & skf18("3","8","3","5","6","10","1") = "9"
    & skf18("3","8","3","5","7","1","1") = "7"
    & skf18("3","8","3","5","7","2","1") = "7"
    & skf18("3","8","3","5","7","3","1") = "7"
    & skf18("3","8","3","5","7","4","1") = "7"
    & skf18("3","8","3","5","7","5","1") = "7"
    & skf18("3","8","3","5","7","6","1") = "7"
    & skf18("3","8","3","5","7","7","1") = "7"
    & skf18("3","8","3","5","7","8","1") = "7"
    & skf18("3","8","3","5","7","9","1") = "8"
    & skf18("3","8","3","5","7","10","1") = "9"
    & skf18("3","8","3","5","8","1","1") = "7"
    & skf18("3","8","3","5","8","2","1") = "7"
    & skf18("3","8","3","5","8","3","1") = "7"
    & skf18("3","8","3","5","8","4","1") = "7"
    & skf18("3","8","3","5","8","5","1") = "7"
    & skf18("3","8","3","5","8","6","1") = "7"
    & skf18("3","8","3","5","8","7","1") = "7"
    & skf18("3","8","3","5","8","8","1") = "7"
    & skf18("3","8","3","5","8","9","1") = "8"
    & skf18("3","8","3","5","8","10","1") = "9"
    & skf18("3","8","3","5","9","1","1") = "8"
    & skf18("3","8","3","5","9","2","1") = "8"
    & skf18("3","8","3","5","9","3","1") = "8"
    & skf18("3","8","3","5","9","4","1") = "8"
    & skf18("3","8","3","5","9","5","1") = "8"
    & skf18("3","8","3","5","9","6","1") = "8"
    & skf18("3","8","3","5","9","7","1") = "8"
    & skf18("3","8","3","5","9","8","1") = "8"
    & skf18("3","8","3","5","9","9","1") = "8"
    & skf18("3","8","3","5","9","10","1") = "9"
    & skf18("3","8","3","5","10","1","1") = "9"
    & skf18("3","8","3","5","10","2","1") = "9"
    & skf18("3","8","3","5","10","3","1") = "9"
    & skf18("3","8","3","5","10","4","1") = "9"
    & skf18("3","8","3","5","10","5","1") = "9"
    & skf18("3","8","3","5","10","6","1") = "9"
    & skf18("3","8","3","5","10","7","1") = "9"
    & skf18("3","8","3","5","10","8","1") = "9"
    & skf18("3","8","3","5","10","9","1") = "9"
    & skf18("3","8","3","5","10","10","1") = "9"
    & skf18("3","8","3","6","1","1","1") = "7"
    & skf18("3","8","3","6","1","2","1") = "7"
    & skf18("3","8","3","6","1","3","1") = "7"
    & skf18("3","8","3","6","1","4","1") = "7"
    & skf18("3","8","3","6","1","5","1") = "7"
    & skf18("3","8","3","6","1","6","1") = "7"
    & skf18("3","8","3","6","1","7","1") = "7"
    & skf18("3","8","3","6","1","8","1") = "7"
    & skf18("3","8","3","6","1","9","1") = "8"
    & skf18("3","8","3","6","1","10","1") = "9"
    & skf18("3","8","3","6","2","1","1") = "7"
    & skf18("3","8","3","6","2","2","1") = "7"
    & skf18("3","8","3","6","2","3","1") = "7"
    & skf18("3","8","3","6","2","4","1") = "7"
    & skf18("3","8","3","6","2","5","1") = "7"
    & skf18("3","8","3","6","2","6","1") = "7"
    & skf18("3","8","3","6","2","7","1") = "7"
    & skf18("3","8","3","6","2","8","1") = "7"
    & skf18("3","8","3","6","2","9","1") = "8"
    & skf18("3","8","3","6","2","10","1") = "9"
    & skf18("3","8","3","6","3","1","1") = "7"
    & skf18("3","8","3","6","3","2","1") = "7"
    & skf18("3","8","3","6","3","3","1") = "7"
    & skf18("3","8","3","6","3","4","1") = "7"
    & skf18("3","8","3","6","3","5","1") = "7"
    & skf18("3","8","3","6","3","6","1") = "7"
    & skf18("3","8","3","6","3","7","1") = "7"
    & skf18("3","8","3","6","3","8","1") = "7"
    & skf18("3","8","3","6","3","9","1") = "8"
    & skf18("3","8","3","6","3","10","1") = "9"
    & skf18("3","8","3","6","4","1","1") = "7"
    & skf18("3","8","3","6","4","2","1") = "7"
    & skf18("3","8","3","6","4","3","1") = "7"
    & skf18("3","8","3","6","4","4","1") = "7"
    & skf18("3","8","3","6","4","5","1") = "7"
    & skf18("3","8","3","6","4","6","1") = "7"
    & skf18("3","8","3","6","4","7","1") = "7"
    & skf18("3","8","3","6","4","8","1") = "7"
    & skf18("3","8","3","6","4","9","1") = "8"
    & skf18("3","8","3","6","4","10","1") = "9"
    & skf18("3","8","3","6","5","1","1") = "7"
    & skf18("3","8","3","6","5","2","1") = "7"
    & skf18("3","8","3","6","5","3","1") = "7"
    & skf18("3","8","3","6","5","4","1") = "7"
    & skf18("3","8","3","6","5","5","1") = "7"
    & skf18("3","8","3","6","5","6","1") = "7"
    & skf18("3","8","3","6","5","7","1") = "7"
    & skf18("3","8","3","6","5","8","1") = "7"
    & skf18("3","8","3","6","5","9","1") = "8"
    & skf18("3","8","3","6","5","10","1") = "9"
    & skf18("3","8","3","6","6","1","1") = "7"
    & skf18("3","8","3","6","6","2","1") = "7"
    & skf18("3","8","3","6","6","3","1") = "7"
    & skf18("3","8","3","6","6","4","1") = "7"
    & skf18("3","8","3","6","6","5","1") = "7"
    & skf18("3","8","3","6","6","6","1") = "7"
    & skf18("3","8","3","6","6","7","1") = "7"
    & skf18("3","8","3","6","6","8","1") = "7"
    & skf18("3","8","3","6","6","9","1") = "8"
    & skf18("3","8","3","6","6","10","1") = "9"
    & skf18("3","8","3","6","7","1","1") = "7"
    & skf18("3","8","3","6","7","2","1") = "7"
    & skf18("3","8","3","6","7","3","1") = "7"
    & skf18("3","8","3","6","7","4","1") = "7"
    & skf18("3","8","3","6","7","5","1") = "7"
    & skf18("3","8","3","6","7","6","1") = "7"
    & skf18("3","8","3","6","7","7","1") = "7"
    & skf18("3","8","3","6","7","8","1") = "7"
    & skf18("3","8","3","6","7","9","1") = "8"
    & skf18("3","8","3","6","7","10","1") = "9"
    & skf18("3","8","3","6","8","1","1") = "7"
    & skf18("3","8","3","6","8","2","1") = "7"
    & skf18("3","8","3","6","8","3","1") = "7"
    & skf18("3","8","3","6","8","4","1") = "7"
    & skf18("3","8","3","6","8","5","1") = "7"
    & skf18("3","8","3","6","8","6","1") = "7"
    & skf18("3","8","3","6","8","7","1") = "7"
    & skf18("3","8","3","6","8","8","1") = "7"
    & skf18("3","8","3","6","8","9","1") = "8"
    & skf18("3","8","3","6","8","10","1") = "9"
    & skf18("3","8","3","6","9","1","1") = "8"
    & skf18("3","8","3","6","9","2","1") = "8"
    & skf18("3","8","3","6","9","3","1") = "8"
    & skf18("3","8","3","6","9","4","1") = "8"
    & skf18("3","8","3","6","9","5","1") = "8"
    & skf18("3","8","3","6","9","6","1") = "8"
    & skf18("3","8","3","6","9","7","1") = "8"
    & skf18("3","8","3","6","9","8","1") = "8"
    & skf18("3","8","3","6","9","9","1") = "8"
    & skf18("3","8","3","6","9","10","1") = "9"
    & skf18("3","8","3","6","10","1","1") = "9"
    & skf18("3","8","3","6","10","2","1") = "9"
    & skf18("3","8","3","6","10","3","1") = "9"
    & skf18("3","8","3","6","10","4","1") = "9"
    & skf18("3","8","3","6","10","5","1") = "9"
    & skf18("3","8","3","6","10","6","1") = "9"
    & skf18("3","8","3","6","10","7","1") = "9"
    & skf18("3","8","3","6","10","8","1") = "9"
    & skf18("3","8","3","6","10","9","1") = "9"
    & skf18("3","8","3","6","10","10","1") = "9"
    & skf18("3","8","3","7","1","1","1") = "7"
    & skf18("3","8","3","7","1","2","1") = "7"
    & skf18("3","8","3","7","1","3","1") = "7"
    & skf18("3","8","3","7","1","4","1") = "7"
    & skf18("3","8","3","7","1","5","1") = "7"
    & skf18("3","8","3","7","1","6","1") = "7"
    & skf18("3","8","3","7","1","7","1") = "7"
    & skf18("3","8","3","7","1","8","1") = "7"
    & skf18("3","8","3","7","1","9","1") = "8"
    & skf18("3","8","3","7","1","10","1") = "9"
    & skf18("3","8","3","7","2","1","1") = "7"
    & skf18("3","8","3","7","2","2","1") = "7"
    & skf18("3","8","3","7","2","3","1") = "7"
    & skf18("3","8","3","7","2","4","1") = "7"
    & skf18("3","8","3","7","2","5","1") = "7"
    & skf18("3","8","3","7","2","6","1") = "7"
    & skf18("3","8","3","7","2","7","1") = "7"
    & skf18("3","8","3","7","2","8","1") = "7"
    & skf18("3","8","3","7","2","9","1") = "8"
    & skf18("3","8","3","7","2","10","1") = "9"
    & skf18("3","8","3","7","3","1","1") = "7"
    & skf18("3","8","3","7","3","2","1") = "7"
    & skf18("3","8","3","7","3","3","1") = "7"
    & skf18("3","8","3","7","3","4","1") = "7"
    & skf18("3","8","3","7","3","5","1") = "7"
    & skf18("3","8","3","7","3","6","1") = "7"
    & skf18("3","8","3","7","3","7","1") = "7"
    & skf18("3","8","3","7","3","8","1") = "7"
    & skf18("3","8","3","7","3","9","1") = "8"
    & skf18("3","8","3","7","3","10","1") = "9"
    & skf18("3","8","3","7","4","1","1") = "7"
    & skf18("3","8","3","7","4","2","1") = "7"
    & skf18("3","8","3","7","4","3","1") = "7"
    & skf18("3","8","3","7","4","4","1") = "7"
    & skf18("3","8","3","7","4","5","1") = "7"
    & skf18("3","8","3","7","4","6","1") = "7"
    & skf18("3","8","3","7","4","7","1") = "7"
    & skf18("3","8","3","7","4","8","1") = "7"
    & skf18("3","8","3","7","4","9","1") = "8"
    & skf18("3","8","3","7","4","10","1") = "9"
    & skf18("3","8","3","7","5","1","1") = "7"
    & skf18("3","8","3","7","5","2","1") = "7"
    & skf18("3","8","3","7","5","3","1") = "7"
    & skf18("3","8","3","7","5","4","1") = "7"
    & skf18("3","8","3","7","5","5","1") = "7"
    & skf18("3","8","3","7","5","6","1") = "7"
    & skf18("3","8","3","7","5","7","1") = "7"
    & skf18("3","8","3","7","5","8","1") = "7"
    & skf18("3","8","3","7","5","9","1") = "8"
    & skf18("3","8","3","7","5","10","1") = "9"
    & skf18("3","8","3","7","6","1","1") = "7"
    & skf18("3","8","3","7","6","2","1") = "7"
    & skf18("3","8","3","7","6","3","1") = "7"
    & skf18("3","8","3","7","6","4","1") = "7"
    & skf18("3","8","3","7","6","5","1") = "7"
    & skf18("3","8","3","7","6","6","1") = "7"
    & skf18("3","8","3","7","6","7","1") = "7"
    & skf18("3","8","3","7","6","8","1") = "7"
    & skf18("3","8","3","7","6","9","1") = "8"
    & skf18("3","8","3","7","6","10","1") = "9"
    & skf18("3","8","3","7","7","1","1") = "7"
    & skf18("3","8","3","7","7","2","1") = "7"
    & skf18("3","8","3","7","7","3","1") = "7"
    & skf18("3","8","3","7","7","4","1") = "7"
    & skf18("3","8","3","7","7","5","1") = "7"
    & skf18("3","8","3","7","7","6","1") = "7"
    & skf18("3","8","3","7","7","7","1") = "7"
    & skf18("3","8","3","7","7","8","1") = "7"
    & skf18("3","8","3","7","7","9","1") = "8"
    & skf18("3","8","3","7","7","10","1") = "9"
    & skf18("3","8","3","7","8","1","1") = "7"
    & skf18("3","8","3","7","8","2","1") = "7"
    & skf18("3","8","3","7","8","3","1") = "7"
    & skf18("3","8","3","7","8","4","1") = "7"
    & skf18("3","8","3","7","8","5","1") = "7"
    & skf18("3","8","3","7","8","6","1") = "7"
    & skf18("3","8","3","7","8","7","1") = "7"
    & skf18("3","8","3","7","8","8","1") = "7"
    & skf18("3","8","3","7","8","9","1") = "8"
    & skf18("3","8","3","7","8","10","1") = "9"
    & skf18("3","8","3","7","9","1","1") = "8"
    & skf18("3","8","3","7","9","2","1") = "8"
    & skf18("3","8","3","7","9","3","1") = "8"
    & skf18("3","8","3","7","9","4","1") = "8"
    & skf18("3","8","3","7","9","5","1") = "8"
    & skf18("3","8","3","7","9","6","1") = "8"
    & skf18("3","8","3","7","9","7","1") = "8"
    & skf18("3","8","3","7","9","8","1") = "8"
    & skf18("3","8","3","7","9","9","1") = "8"
    & skf18("3","8","3","7","9","10","1") = "9"
    & skf18("3","8","3","7","10","1","1") = "9"
    & skf18("3","8","3","7","10","2","1") = "9"
    & skf18("3","8","3","7","10","3","1") = "9"
    & skf18("3","8","3","7","10","4","1") = "9"
    & skf18("3","8","3","7","10","5","1") = "9"
    & skf18("3","8","3","7","10","6","1") = "9"
    & skf18("3","8","3","7","10","7","1") = "9"
    & skf18("3","8","3","7","10","8","1") = "9"
    & skf18("3","8","3","7","10","9","1") = "9"
    & skf18("3","8","3","7","10","10","1") = "9"
    & skf18("3","8","3","8","1","1","1") = "7"
    & skf18("3","8","3","8","1","2","1") = "7"
    & skf18("3","8","3","8","1","3","1") = "7"
    & skf18("3","8","3","8","1","4","1") = "7"
    & skf18("3","8","3","8","1","5","1") = "7"
    & skf18("3","8","3","8","1","6","1") = "7"
    & skf18("3","8","3","8","1","7","1") = "7"
    & skf18("3","8","3","8","1","8","1") = "7"
    & skf18("3","8","3","8","1","9","1") = "8"
    & skf18("3","8","3","8","1","10","1") = "9"
    & skf18("3","8","3","8","2","1","1") = "7"
    & skf18("3","8","3","8","2","2","1") = "7"
    & skf18("3","8","3","8","2","3","1") = "7"
    & skf18("3","8","3","8","2","4","1") = "7"
    & skf18("3","8","3","8","2","5","1") = "7"
    & skf18("3","8","3","8","2","6","1") = "7"
    & skf18("3","8","3","8","2","7","1") = "7"
    & skf18("3","8","3","8","2","8","1") = "7"
    & skf18("3","8","3","8","2","9","1") = "8"
    & skf18("3","8","3","8","2","10","1") = "9"
    & skf18("3","8","3","8","3","1","1") = "7"
    & skf18("3","8","3","8","3","2","1") = "7"
    & skf18("3","8","3","8","3","3","1") = "7"
    & skf18("3","8","3","8","3","4","1") = "7"
    & skf18("3","8","3","8","3","5","1") = "7"
    & skf18("3","8","3","8","3","6","1") = "7"
    & skf18("3","8","3","8","3","7","1") = "7"
    & skf18("3","8","3","8","3","8","1") = "7"
    & skf18("3","8","3","8","3","9","1") = "8"
    & skf18("3","8","3","8","3","10","1") = "9"
    & skf18("3","8","3","8","4","1","1") = "7"
    & skf18("3","8","3","8","4","2","1") = "7"
    & skf18("3","8","3","8","4","3","1") = "7"
    & skf18("3","8","3","8","4","4","1") = "7"
    & skf18("3","8","3","8","4","5","1") = "7"
    & skf18("3","8","3","8","4","6","1") = "7"
    & skf18("3","8","3","8","4","7","1") = "7"
    & skf18("3","8","3","8","4","8","1") = "7"
    & skf18("3","8","3","8","4","9","1") = "8"
    & skf18("3","8","3","8","4","10","1") = "9"
    & skf18("3","8","3","8","5","1","1") = "7"
    & skf18("3","8","3","8","5","2","1") = "7"
    & skf18("3","8","3","8","5","3","1") = "7"
    & skf18("3","8","3","8","5","4","1") = "7"
    & skf18("3","8","3","8","5","5","1") = "7"
    & skf18("3","8","3","8","5","6","1") = "7"
    & skf18("3","8","3","8","5","7","1") = "7"
    & skf18("3","8","3","8","5","8","1") = "7"
    & skf18("3","8","3","8","5","9","1") = "8"
    & skf18("3","8","3","8","5","10","1") = "9"
    & skf18("3","8","3","8","6","1","1") = "7"
    & skf18("3","8","3","8","6","2","1") = "7"
    & skf18("3","8","3","8","6","3","1") = "7"
    & skf18("3","8","3","8","6","4","1") = "7"
    & skf18("3","8","3","8","6","5","1") = "7"
    & skf18("3","8","3","8","6","6","1") = "7"
    & skf18("3","8","3","8","6","7","1") = "7"
    & skf18("3","8","3","8","6","8","1") = "7"
    & skf18("3","8","3","8","6","9","1") = "8"
    & skf18("3","8","3","8","6","10","1") = "9"
    & skf18("3","8","3","8","7","1","1") = "7"
    & skf18("3","8","3","8","7","2","1") = "7"
    & skf18("3","8","3","8","7","3","1") = "7"
    & skf18("3","8","3","8","7","4","1") = "7"
    & skf18("3","8","3","8","7","5","1") = "7"
    & skf18("3","8","3","8","7","6","1") = "7"
    & skf18("3","8","3","8","7","7","1") = "7"
    & skf18("3","8","3","8","7","8","1") = "7"
    & skf18("3","8","3","8","7","9","1") = "8"
    & skf18("3","8","3","8","7","10","1") = "9"
    & skf18("3","8","3","8","8","1","1") = "7"
    & skf18("3","8","3","8","8","2","1") = "7"
    & skf18("3","8","3","8","8","3","1") = "7"
    & skf18("3","8","3","8","8","4","1") = "7"
    & skf18("3","8","3","8","8","5","1") = "7"
    & skf18("3","8","3","8","8","6","1") = "7"
    & skf18("3","8","3","8","8","7","1") = "7"
    & skf18("3","8","3","8","8","8","1") = "7"
    & skf18("3","8","3","8","8","9","1") = "8"
    & skf18("3","8","3","8","8","10","1") = "9"
    & skf18("3","8","3","8","9","1","1") = "8"
    & skf18("3","8","3","8","9","2","1") = "8"
    & skf18("3","8","3","8","9","3","1") = "8"
    & skf18("3","8","3","8","9","4","1") = "8"
    & skf18("3","8","3","8","9","5","1") = "8"
    & skf18("3","8","3","8","9","6","1") = "8"
    & skf18("3","8","3","8","9","7","1") = "8"
    & skf18("3","8","3","8","9","8","1") = "8"
    & skf18("3","8","3","8","9","9","1") = "8"
    & skf18("3","8","3","8","9","10","1") = "9"
    & skf18("3","8","3","8","10","1","1") = "9"
    & skf18("3","8","3","8","10","2","1") = "9"
    & skf18("3","8","3","8","10","3","1") = "9"
    & skf18("3","8","3","8","10","4","1") = "9"
    & skf18("3","8","3","8","10","5","1") = "9"
    & skf18("3","8","3","8","10","6","1") = "9"
    & skf18("3","8","3","8","10","7","1") = "9"
    & skf18("3","8","3","8","10","8","1") = "9"
    & skf18("3","8","3","8","10","9","1") = "9"
    & skf18("3","8","3","8","10","10","1") = "9"
    & skf18("3","8","3","9","1","1","1") = "8"
    & skf18("3","8","3","9","1","2","1") = "8"
    & skf18("3","8","3","9","1","3","1") = "8"
    & skf18("3","8","3","9","1","4","1") = "8"
    & skf18("3","8","3","9","1","5","1") = "8"
    & skf18("3","8","3","9","1","6","1") = "8"
    & skf18("3","8","3","9","1","7","1") = "8"
    & skf18("3","8","3","9","1","8","1") = "8"
    & skf18("3","8","3","9","1","9","1") = "8"
    & skf18("3","8","3","9","1","10","1") = "9"
    & skf18("3","8","3","9","2","1","1") = "8"
    & skf18("3","8","3","9","2","2","1") = "8"
    & skf18("3","8","3","9","2","3","1") = "8"
    & skf18("3","8","3","9","2","4","1") = "8"
    & skf18("3","8","3","9","2","5","1") = "8"
    & skf18("3","8","3","9","2","6","1") = "8"
    & skf18("3","8","3","9","2","7","1") = "8"
    & skf18("3","8","3","9","2","8","1") = "8"
    & skf18("3","8","3","9","2","9","1") = "8"
    & skf18("3","8","3","9","2","10","1") = "9"
    & skf18("3","8","3","9","3","1","1") = "8"
    & skf18("3","8","3","9","3","2","1") = "8"
    & skf18("3","8","3","9","3","3","1") = "8"
    & skf18("3","8","3","9","3","4","1") = "8"
    & skf18("3","8","3","9","3","5","1") = "8"
    & skf18("3","8","3","9","3","6","1") = "8"
    & skf18("3","8","3","9","3","7","1") = "8"
    & skf18("3","8","3","9","3","8","1") = "8"
    & skf18("3","8","3","9","3","9","1") = "8"
    & skf18("3","8","3","9","3","10","1") = "9"
    & skf18("3","8","3","9","4","1","1") = "8"
    & skf18("3","8","3","9","4","2","1") = "8"
    & skf18("3","8","3","9","4","3","1") = "8"
    & skf18("3","8","3","9","4","4","1") = "8"
    & skf18("3","8","3","9","4","5","1") = "8"
    & skf18("3","8","3","9","4","6","1") = "8"
    & skf18("3","8","3","9","4","7","1") = "8"
    & skf18("3","8","3","9","4","8","1") = "8"
    & skf18("3","8","3","9","4","9","1") = "8"
    & skf18("3","8","3","9","4","10","1") = "9"
    & skf18("3","8","3","9","5","1","1") = "8"
    & skf18("3","8","3","9","5","2","1") = "8"
    & skf18("3","8","3","9","5","3","1") = "8"
    & skf18("3","8","3","9","5","4","1") = "8"
    & skf18("3","8","3","9","5","5","1") = "8"
    & skf18("3","8","3","9","5","6","1") = "8"
    & skf18("3","8","3","9","5","7","1") = "8"
    & skf18("3","8","3","9","5","8","1") = "8"
    & skf18("3","8","3","9","5","9","1") = "8"
    & skf18("3","8","3","9","5","10","1") = "9"
    & skf18("3","8","3","9","6","1","1") = "8"
    & skf18("3","8","3","9","6","2","1") = "8"
    & skf18("3","8","3","9","6","3","1") = "8"
    & skf18("3","8","3","9","6","4","1") = "8"
    & skf18("3","8","3","9","6","5","1") = "8"
    & skf18("3","8","3","9","6","6","1") = "8"
    & skf18("3","8","3","9","6","7","1") = "8"
    & skf18("3","8","3","9","6","8","1") = "8"
    & skf18("3","8","3","9","6","9","1") = "8"
    & skf18("3","8","3","9","6","10","1") = "9"
    & skf18("3","8","3","9","7","1","1") = "8"
    & skf18("3","8","3","9","7","2","1") = "8"
    & skf18("3","8","3","9","7","3","1") = "8"
    & skf18("3","8","3","9","7","4","1") = "8"
    & skf18("3","8","3","9","7","5","1") = "8"
    & skf18("3","8","3","9","7","6","1") = "8"
    & skf18("3","8","3","9","7","7","1") = "8"
    & skf18("3","8","3","9","7","8","1") = "8"
    & skf18("3","8","3","9","7","9","1") = "8"
    & skf18("3","8","3","9","7","10","1") = "9"
    & skf18("3","8","3","9","8","1","1") = "8"
    & skf18("3","8","3","9","8","2","1") = "8"
    & skf18("3","8","3","9","8","3","1") = "8"
    & skf18("3","8","3","9","8","4","1") = "8"
    & skf18("3","8","3","9","8","5","1") = "8"
    & skf18("3","8","3","9","8","6","1") = "8"
    & skf18("3","8","3","9","8","7","1") = "8"
    & skf18("3","8","3","9","8","8","1") = "8"
    & skf18("3","8","3","9","8","9","1") = "8"
    & skf18("3","8","3","9","8","10","1") = "9"
    & skf18("3","8","3","9","9","1","1") = "8"
    & skf18("3","8","3","9","9","2","1") = "8"
    & skf18("3","8","3","9","9","3","1") = "8"
    & skf18("3","8","3","9","9","4","1") = "8"
    & skf18("3","8","3","9","9","5","1") = "8"
    & skf18("3","8","3","9","9","6","1") = "8"
    & skf18("3","8","3","9","9","7","1") = "8"
    & skf18("3","8","3","9","9","8","1") = "8"
    & skf18("3","8","3","9","9","9","1") = "8"
    & skf18("3","8","3","9","9","10","1") = "9"
    & skf18("3","8","3","9","10","1","1") = "9"
    & skf18("3","8","3","9","10","2","1") = "9"
    & skf18("3","8","3","9","10","3","1") = "9"
    & skf18("3","8","3","9","10","4","1") = "9"
    & skf18("3","8","3","9","10","5","1") = "9"
    & skf18("3","8","3","9","10","6","1") = "9"
    & skf18("3","8","3","9","10","7","1") = "9"
    & skf18("3","8","3","9","10","8","1") = "9"
    & skf18("3","8","3","9","10","9","1") = "9"
    & skf18("3","8","3","9","10","10","1") = "9"
    & skf18("3","8","3","10","1","1","1") = "9"
    & skf18("3","8","3","10","1","2","1") = "9"
    & skf18("3","8","3","10","1","3","1") = "9"
    & skf18("3","8","3","10","1","4","1") = "9"
    & skf18("3","8","3","10","1","5","1") = "9"
    & skf18("3","8","3","10","1","6","1") = "9"
    & skf18("3","8","3","10","1","7","1") = "9"
    & skf18("3","8","3","10","1","8","1") = "9"
    & skf18("3","8","3","10","1","9","1") = "9"
    & skf18("3","8","3","10","1","10","1") = "9"
    & skf18("3","8","3","10","2","1","1") = "9"
    & skf18("3","8","3","10","2","2","1") = "9"
    & skf18("3","8","3","10","2","3","1") = "9"
    & skf18("3","8","3","10","2","4","1") = "9"
    & skf18("3","8","3","10","2","5","1") = "9"
    & skf18("3","8","3","10","2","6","1") = "9"
    & skf18("3","8","3","10","2","7","1") = "9"
    & skf18("3","8","3","10","2","8","1") = "9"
    & skf18("3","8","3","10","2","9","1") = "9"
    & skf18("3","8","3","10","2","10","1") = "9"
    & skf18("3","8","3","10","3","1","1") = "9"
    & skf18("3","8","3","10","3","2","1") = "9"
    & skf18("3","8","3","10","3","3","1") = "9"
    & skf18("3","8","3","10","3","4","1") = "9"
    & skf18("3","8","3","10","3","5","1") = "9"
    & skf18("3","8","3","10","3","6","1") = "9"
    & skf18("3","8","3","10","3","7","1") = "9"
    & skf18("3","8","3","10","3","8","1") = "9"
    & skf18("3","8","3","10","3","9","1") = "9"
    & skf18("3","8","3","10","3","10","1") = "9"
    & skf18("3","8","3","10","4","1","1") = "9"
    & skf18("3","8","3","10","4","2","1") = "9"
    & skf18("3","8","3","10","4","3","1") = "9"
    & skf18("3","8","3","10","4","4","1") = "9"
    & skf18("3","8","3","10","4","5","1") = "9"
    & skf18("3","8","3","10","4","6","1") = "9"
    & skf18("3","8","3","10","4","7","1") = "9"
    & skf18("3","8","3","10","4","8","1") = "9"
    & skf18("3","8","3","10","4","9","1") = "9"
    & skf18("3","8","3","10","4","10","1") = "9"
    & skf18("3","8","3","10","5","1","1") = "9"
    & skf18("3","8","3","10","5","2","1") = "9"
    & skf18("3","8","3","10","5","3","1") = "9"
    & skf18("3","8","3","10","5","4","1") = "9"
    & skf18("3","8","3","10","5","5","1") = "9"
    & skf18("3","8","3","10","5","6","1") = "9"
    & skf18("3","8","3","10","5","7","1") = "9"
    & skf18("3","8","3","10","5","8","1") = "9"
    & skf18("3","8","3","10","5","9","1") = "9"
    & skf18("3","8","3","10","5","10","1") = "9"
    & skf18("3","8","3","10","6","1","1") = "9"
    & skf18("3","8","3","10","6","2","1") = "9"
    & skf18("3","8","3","10","6","3","1") = "9"
    & skf18("3","8","3","10","6","4","1") = "9"
    & skf18("3","8","3","10","6","5","1") = "9"
    & skf18("3","8","3","10","6","6","1") = "9"
    & skf18("3","8","3","10","6","7","1") = "9"
    & skf18("3","8","3","10","6","8","1") = "9"
    & skf18("3","8","3","10","6","9","1") = "9"
    & skf18("3","8","3","10","6","10","1") = "9"
    & skf18("3","8","3","10","7","1","1") = "9"
    & skf18("3","8","3","10","7","2","1") = "9"
    & skf18("3","8","3","10","7","3","1") = "9"
    & skf18("3","8","3","10","7","4","1") = "9"
    & skf18("3","8","3","10","7","5","1") = "9"
    & skf18("3","8","3","10","7","6","1") = "9"
    & skf18("3","8","3","10","7","7","1") = "9"
    & skf18("3","8","3","10","7","8","1") = "9"
    & skf18("3","8","3","10","7","9","1") = "9"
    & skf18("3","8","3","10","7","10","1") = "9"
    & skf18("3","8","3","10","8","1","1") = "9"
    & skf18("3","8","3","10","8","2","1") = "9"
    & skf18("3","8","3","10","8","3","1") = "9"
    & skf18("3","8","3","10","8","4","1") = "9"
    & skf18("3","8","3","10","8","5","1") = "9"
    & skf18("3","8","3","10","8","6","1") = "9"
    & skf18("3","8","3","10","8","7","1") = "9"
    & skf18("3","8","3","10","8","8","1") = "9"
    & skf18("3","8","3","10","8","9","1") = "9"
    & skf18("3","8","3","10","8","10","1") = "9"
    & skf18("3","8","3","10","9","1","1") = "9"
    & skf18("3","8","3","10","9","2","1") = "9"
    & skf18("3","8","3","10","9","3","1") = "9"
    & skf18("3","8","3","10","9","4","1") = "9"
    & skf18("3","8","3","10","9","5","1") = "9"
    & skf18("3","8","3","10","9","6","1") = "9"
    & skf18("3","8","3","10","9","7","1") = "9"
    & skf18("3","8","3","10","9","8","1") = "9"
    & skf18("3","8","3","10","9","9","1") = "9"
    & skf18("3","8","3","10","9","10","1") = "9"
    & skf18("3","8","3","10","10","1","1") = "9"
    & skf18("3","8","3","10","10","2","1") = "9"
    & skf18("3","8","3","10","10","3","1") = "9"
    & skf18("3","8","3","10","10","4","1") = "9"
    & skf18("3","8","3","10","10","5","1") = "9"
    & skf18("3","8","3","10","10","6","1") = "9"
    & skf18("3","8","3","10","10","7","1") = "9"
    & skf18("3","8","3","10","10","8","1") = "9"
    & skf18("3","8","3","10","10","9","1") = "9"
    & skf18("3","8","3","10","10","10","1") = "9"
    & skf18("3","8","4","1","1","1","1") = "7"
    & skf18("3","8","4","1","1","2","1") = "7"
    & skf18("3","8","4","1","1","3","1") = "7"
    & skf18("3","8","4","1","1","4","1") = "7"
    & skf18("3","8","4","1","1","5","1") = "7"
    & skf18("3","8","4","1","1","6","1") = "7"
    & skf18("3","8","4","1","1","7","1") = "7"
    & skf18("3","8","4","1","1","8","1") = "7"
    & skf18("3","8","4","1","1","9","1") = "8"
    & skf18("3","8","4","1","1","10","1") = "9"
    & skf18("3","8","4","1","2","1","1") = "7"
    & skf18("3","8","4","1","2","2","1") = "7"
    & skf18("3","8","4","1","2","3","1") = "7"
    & skf18("3","8","4","1","2","4","1") = "7"
    & skf18("3","8","4","1","2","5","1") = "7"
    & skf18("3","8","4","1","2","6","1") = "7"
    & skf18("3","8","4","1","2","7","1") = "7"
    & skf18("3","8","4","1","2","8","1") = "7"
    & skf18("3","8","4","1","2","9","1") = "8"
    & skf18("3","8","4","1","2","10","1") = "9"
    & skf18("3","8","4","1","3","1","1") = "7"
    & skf18("3","8","4","1","3","2","1") = "7"
    & skf18("3","8","4","1","3","3","1") = "7"
    & skf18("3","8","4","1","3","4","1") = "7"
    & skf18("3","8","4","1","3","5","1") = "7"
    & skf18("3","8","4","1","3","6","1") = "7"
    & skf18("3","8","4","1","3","7","1") = "7"
    & skf18("3","8","4","1","3","8","1") = "7"
    & skf18("3","8","4","1","3","9","1") = "8"
    & skf18("3","8","4","1","3","10","1") = "9"
    & skf18("3","8","4","1","4","1","1") = "7"
    & skf18("3","8","4","1","4","2","1") = "7"
    & skf18("3","8","4","1","4","3","1") = "7"
    & skf18("3","8","4","1","4","4","1") = "7"
    & skf18("3","8","4","1","4","5","1") = "7"
    & skf18("3","8","4","1","4","6","1") = "7"
    & skf18("3","8","4","1","4","7","1") = "7"
    & skf18("3","8","4","1","4","8","1") = "7"
    & skf18("3","8","4","1","4","9","1") = "8"
    & skf18("3","8","4","1","4","10","1") = "9"
    & skf18("3","8","4","1","5","1","1") = "7"
    & skf18("3","8","4","1","5","2","1") = "7"
    & skf18("3","8","4","1","5","3","1") = "7"
    & skf18("3","8","4","1","5","4","1") = "7"
    & skf18("3","8","4","1","5","5","1") = "7"
    & skf18("3","8","4","1","5","6","1") = "7"
    & skf18("3","8","4","1","5","7","1") = "7"
    & skf18("3","8","4","1","5","8","1") = "7"
    & skf18("3","8","4","1","5","9","1") = "8"
    & skf18("3","8","4","1","5","10","1") = "9"
    & skf18("3","8","4","1","6","1","1") = "7"
    & skf18("3","8","4","1","6","2","1") = "7"
    & skf18("3","8","4","1","6","3","1") = "7"
    & skf18("3","8","4","1","6","4","1") = "7"
    & skf18("3","8","4","1","6","5","1") = "7"
    & skf18("3","8","4","1","6","6","1") = "7"
    & skf18("3","8","4","1","6","7","1") = "7"
    & skf18("3","8","4","1","6","8","1") = "7"
    & skf18("3","8","4","1","6","9","1") = "8"
    & skf18("3","8","4","1","6","10","1") = "9"
    & skf18("3","8","4","1","7","1","1") = "7"
    & skf18("3","8","4","1","7","2","1") = "7"
    & skf18("3","8","4","1","7","3","1") = "7"
    & skf18("3","8","4","1","7","4","1") = "7"
    & skf18("3","8","4","1","7","5","1") = "7"
    & skf18("3","8","4","1","7","6","1") = "7"
    & skf18("3","8","4","1","7","7","1") = "7"
    & skf18("3","8","4","1","7","8","1") = "7"
    & skf18("3","8","4","1","7","9","1") = "8"
    & skf18("3","8","4","1","7","10","1") = "9"
    & skf18("3","8","4","1","8","1","1") = "7"
    & skf18("3","8","4","1","8","2","1") = "7"
    & skf18("3","8","4","1","8","3","1") = "7"
    & skf18("3","8","4","1","8","4","1") = "7"
    & skf18("3","8","4","1","8","5","1") = "7"
    & skf18("3","8","4","1","8","6","1") = "7"
    & skf18("3","8","4","1","8","7","1") = "7"
    & skf18("3","8","4","1","8","8","1") = "7"
    & skf18("3","8","4","1","8","9","1") = "8"
    & skf18("3","8","4","1","8","10","1") = "9"
    & skf18("3","8","4","1","9","1","1") = "8"
    & skf18("3","8","4","1","9","2","1") = "8"
    & skf18("3","8","4","1","9","3","1") = "8"
    & skf18("3","8","4","1","9","4","1") = "8"
    & skf18("3","8","4","1","9","5","1") = "8"
    & skf18("3","8","4","1","9","6","1") = "8"
    & skf18("3","8","4","1","9","7","1") = "8"
    & skf18("3","8","4","1","9","8","1") = "8"
    & skf18("3","8","4","1","9","9","1") = "8"
    & skf18("3","8","4","1","9","10","1") = "9"
    & skf18("3","8","4","1","10","1","1") = "9"
    & skf18("3","8","4","1","10","2","1") = "9"
    & skf18("3","8","4","1","10","3","1") = "9"
    & skf18("3","8","4","1","10","4","1") = "9"
    & skf18("3","8","4","1","10","5","1") = "9"
    & skf18("3","8","4","1","10","6","1") = "9"
    & skf18("3","8","4","1","10","7","1") = "9"
    & skf18("3","8","4","1","10","8","1") = "9"
    & skf18("3","8","4","1","10","9","1") = "9"
    & skf18("3","8","4","1","10","10","1") = "9"
    & skf18("3","8","4","2","1","1","1") = "7"
    & skf18("3","8","4","2","1","2","1") = "7"
    & skf18("3","8","4","2","1","3","1") = "7"
    & skf18("3","8","4","2","1","4","1") = "7"
    & skf18("3","8","4","2","1","5","1") = "7"
    & skf18("3","8","4","2","1","6","1") = "7"
    & skf18("3","8","4","2","1","7","1") = "7"
    & skf18("3","8","4","2","1","8","1") = "7"
    & skf18("3","8","4","2","1","9","1") = "8"
    & skf18("3","8","4","2","1","10","1") = "9"
    & skf18("3","8","4","2","2","1","1") = "7"
    & skf18("3","8","4","2","2","2","1") = "7"
    & skf18("3","8","4","2","2","3","1") = "7"
    & skf18("3","8","4","2","2","4","1") = "7"
    & skf18("3","8","4","2","2","5","1") = "7"
    & skf18("3","8","4","2","2","6","1") = "7"
    & skf18("3","8","4","2","2","7","1") = "7"
    & skf18("3","8","4","2","2","8","1") = "7"
    & skf18("3","8","4","2","2","9","1") = "8"
    & skf18("3","8","4","2","2","10","1") = "9"
    & skf18("3","8","4","2","3","1","1") = "7"
    & skf18("3","8","4","2","3","2","1") = "7"
    & skf18("3","8","4","2","3","3","1") = "7"
    & skf18("3","8","4","2","3","4","1") = "7"
    & skf18("3","8","4","2","3","5","1") = "7"
    & skf18("3","8","4","2","3","6","1") = "7"
    & skf18("3","8","4","2","3","7","1") = "7"
    & skf18("3","8","4","2","3","8","1") = "7"
    & skf18("3","8","4","2","3","9","1") = "8"
    & skf18("3","8","4","2","3","10","1") = "9"
    & skf18("3","8","4","2","4","1","1") = "7"
    & skf18("3","8","4","2","4","2","1") = "7"
    & skf18("3","8","4","2","4","3","1") = "7"
    & skf18("3","8","4","2","4","4","1") = "7"
    & skf18("3","8","4","2","4","5","1") = "7"
    & skf18("3","8","4","2","4","6","1") = "7"
    & skf18("3","8","4","2","4","7","1") = "7"
    & skf18("3","8","4","2","4","8","1") = "7"
    & skf18("3","8","4","2","4","9","1") = "8"
    & skf18("3","8","4","2","4","10","1") = "9"
    & skf18("3","8","4","2","5","1","1") = "7"
    & skf18("3","8","4","2","5","2","1") = "7"
    & skf18("3","8","4","2","5","3","1") = "7"
    & skf18("3","8","4","2","5","4","1") = "7"
    & skf18("3","8","4","2","5","5","1") = "7"
    & skf18("3","8","4","2","5","6","1") = "7"
    & skf18("3","8","4","2","5","7","1") = "7"
    & skf18("3","8","4","2","5","8","1") = "7"
    & skf18("3","8","4","2","5","9","1") = "8"
    & skf18("3","8","4","2","5","10","1") = "9"
    & skf18("3","8","4","2","6","1","1") = "7"
    & skf18("3","8","4","2","6","2","1") = "7"
    & skf18("3","8","4","2","6","3","1") = "7"
    & skf18("3","8","4","2","6","4","1") = "7"
    & skf18("3","8","4","2","6","5","1") = "7"
    & skf18("3","8","4","2","6","6","1") = "7"
    & skf18("3","8","4","2","6","7","1") = "7"
    & skf18("3","8","4","2","6","8","1") = "7"
    & skf18("3","8","4","2","6","9","1") = "8"
    & skf18("3","8","4","2","6","10","1") = "9"
    & skf18("3","8","4","2","7","1","1") = "7"
    & skf18("3","8","4","2","7","2","1") = "7"
    & skf18("3","8","4","2","7","3","1") = "7"
    & skf18("3","8","4","2","7","4","1") = "7"
    & skf18("3","8","4","2","7","5","1") = "7"
    & skf18("3","8","4","2","7","6","1") = "7"
    & skf18("3","8","4","2","7","7","1") = "7"
    & skf18("3","8","4","2","7","8","1") = "7"
    & skf18("3","8","4","2","7","9","1") = "8"
    & skf18("3","8","4","2","7","10","1") = "9"
    & skf18("3","8","4","2","8","1","1") = "7"
    & skf18("3","8","4","2","8","2","1") = "7"
    & skf18("3","8","4","2","8","3","1") = "7"
    & skf18("3","8","4","2","8","4","1") = "7"
    & skf18("3","8","4","2","8","5","1") = "7"
    & skf18("3","8","4","2","8","6","1") = "7"
    & skf18("3","8","4","2","8","7","1") = "7"
    & skf18("3","8","4","2","8","8","1") = "7"
    & skf18("3","8","4","2","8","9","1") = "8"
    & skf18("3","8","4","2","8","10","1") = "9"
    & skf18("3","8","4","2","9","1","1") = "8"
    & skf18("3","8","4","2","9","2","1") = "8"
    & skf18("3","8","4","2","9","3","1") = "8"
    & skf18("3","8","4","2","9","4","1") = "8"
    & skf18("3","8","4","2","9","5","1") = "8"
    & skf18("3","8","4","2","9","6","1") = "8"
    & skf18("3","8","4","2","9","7","1") = "8"
    & skf18("3","8","4","2","9","8","1") = "8"
    & skf18("3","8","4","2","9","9","1") = "8"
    & skf18("3","8","4","2","9","10","1") = "9"
    & skf18("3","8","4","2","10","1","1") = "9"
    & skf18("3","8","4","2","10","2","1") = "9"
    & skf18("3","8","4","2","10","3","1") = "9"
    & skf18("3","8","4","2","10","4","1") = "9"
    & skf18("3","8","4","2","10","5","1") = "9"
    & skf18("3","8","4","2","10","6","1") = "9"
    & skf18("3","8","4","2","10","7","1") = "9"
    & skf18("3","8","4","2","10","8","1") = "9"
    & skf18("3","8","4","2","10","9","1") = "9"
    & skf18("3","8","4","2","10","10","1") = "9"
    & skf18("3","8","4","3","1","1","1") = "7"
    & skf18("3","8","4","3","1","2","1") = "7"
    & skf18("3","8","4","3","1","3","1") = "7"
    & skf18("3","8","4","3","1","4","1") = "7"
    & skf18("3","8","4","3","1","5","1") = "7"
    & skf18("3","8","4","3","1","6","1") = "7"
    & skf18("3","8","4","3","1","7","1") = "7"
    & skf18("3","8","4","3","1","8","1") = "7"
    & skf18("3","8","4","3","1","9","1") = "8"
    & skf18("3","8","4","3","1","10","1") = "9"
    & skf18("3","8","4","3","2","1","1") = "7"
    & skf18("3","8","4","3","2","2","1") = "7"
    & skf18("3","8","4","3","2","3","1") = "7"
    & skf18("3","8","4","3","2","4","1") = "7"
    & skf18("3","8","4","3","2","5","1") = "7"
    & skf18("3","8","4","3","2","6","1") = "7"
    & skf18("3","8","4","3","2","7","1") = "7"
    & skf18("3","8","4","3","2","8","1") = "7"
    & skf18("3","8","4","3","2","9","1") = "8"
    & skf18("3","8","4","3","2","10","1") = "9"
    & skf18("3","8","4","3","3","1","1") = "7"
    & skf18("3","8","4","3","3","2","1") = "7"
    & skf18("3","8","4","3","3","3","1") = "7"
    & skf18("3","8","4","3","3","4","1") = "7"
    & skf18("3","8","4","3","3","5","1") = "7"
    & skf18("3","8","4","3","3","6","1") = "7"
    & skf18("3","8","4","3","3","7","1") = "7"
    & skf18("3","8","4","3","3","8","1") = "7"
    & skf18("3","8","4","3","3","9","1") = "8"
    & skf18("3","8","4","3","3","10","1") = "9"
    & skf18("3","8","4","3","4","1","1") = "7"
    & skf18("3","8","4","3","4","2","1") = "7"
    & skf18("3","8","4","3","4","3","1") = "7"
    & skf18("3","8","4","3","4","4","1") = "7"
    & skf18("3","8","4","3","4","5","1") = "7"
    & skf18("3","8","4","3","4","6","1") = "7"
    & skf18("3","8","4","3","4","7","1") = "7"
    & skf18("3","8","4","3","4","8","1") = "7"
    & skf18("3","8","4","3","4","9","1") = "8"
    & skf18("3","8","4","3","4","10","1") = "9"
    & skf18("3","8","4","3","5","1","1") = "7"
    & skf18("3","8","4","3","5","2","1") = "7"
    & skf18("3","8","4","3","5","3","1") = "7"
    & skf18("3","8","4","3","5","4","1") = "7"
    & skf18("3","8","4","3","5","5","1") = "7"
    & skf18("3","8","4","3","5","6","1") = "7"
    & skf18("3","8","4","3","5","7","1") = "7"
    & skf18("3","8","4","3","5","8","1") = "7"
    & skf18("3","8","4","3","5","9","1") = "8"
    & skf18("3","8","4","3","5","10","1") = "9"
    & skf18("3","8","4","3","6","1","1") = "7"
    & skf18("3","8","4","3","6","2","1") = "7"
    & skf18("3","8","4","3","6","3","1") = "7"
    & skf18("3","8","4","3","6","4","1") = "7"
    & skf18("3","8","4","3","6","5","1") = "7"
    & skf18("3","8","4","3","6","6","1") = "7"
    & skf18("3","8","4","3","6","7","1") = "7"
    & skf18("3","8","4","3","6","8","1") = "7"
    & skf18("3","8","4","3","6","9","1") = "8"
    & skf18("3","8","4","3","6","10","1") = "9"
    & skf18("3","8","4","3","7","1","1") = "7"
    & skf18("3","8","4","3","7","2","1") = "7"
    & skf18("3","8","4","3","7","3","1") = "7"
    & skf18("3","8","4","3","7","4","1") = "7"
    & skf18("3","8","4","3","7","5","1") = "7"
    & skf18("3","8","4","3","7","6","1") = "7"
    & skf18("3","8","4","3","7","7","1") = "7"
    & skf18("3","8","4","3","7","8","1") = "7"
    & skf18("3","8","4","3","7","9","1") = "8"
    & skf18("3","8","4","3","7","10","1") = "9"
    & skf18("3","8","4","3","8","1","1") = "7"
    & skf18("3","8","4","3","8","2","1") = "7"
    & skf18("3","8","4","3","8","3","1") = "7"
    & skf18("3","8","4","3","8","4","1") = "7"
    & skf18("3","8","4","3","8","5","1") = "7"
    & skf18("3","8","4","3","8","6","1") = "7"
    & skf18("3","8","4","3","8","7","1") = "7"
    & skf18("3","8","4","3","8","8","1") = "7"
    & skf18("3","8","4","3","8","9","1") = "8"
    & skf18("3","8","4","3","8","10","1") = "9"
    & skf18("3","8","4","3","9","1","1") = "8"
    & skf18("3","8","4","3","9","2","1") = "8"
    & skf18("3","8","4","3","9","3","1") = "8"
    & skf18("3","8","4","3","9","4","1") = "8"
    & skf18("3","8","4","3","9","5","1") = "8"
    & skf18("3","8","4","3","9","6","1") = "8"
    & skf18("3","8","4","3","9","7","1") = "8"
    & skf18("3","8","4","3","9","8","1") = "8"
    & skf18("3","8","4","3","9","9","1") = "8"
    & skf18("3","8","4","3","9","10","1") = "9"
    & skf18("3","8","4","3","10","1","1") = "9"
    & skf18("3","8","4","3","10","2","1") = "9"
    & skf18("3","8","4","3","10","3","1") = "9"
    & skf18("3","8","4","3","10","4","1") = "9"
    & skf18("3","8","4","3","10","5","1") = "9"
    & skf18("3","8","4","3","10","6","1") = "9"
    & skf18("3","8","4","3","10","7","1") = "9"
    & skf18("3","8","4","3","10","8","1") = "9"
    & skf18("3","8","4","3","10","9","1") = "9"
    & skf18("3","8","4","3","10","10","1") = "9"
    & skf18("3","8","4","4","1","1","1") = "7"
    & skf18("3","8","4","4","1","2","1") = "7"
    & skf18("3","8","4","4","1","3","1") = "7"
    & skf18("3","8","4","4","1","4","1") = "7"
    & skf18("3","8","4","4","1","5","1") = "7"
    & skf18("3","8","4","4","1","6","1") = "7"
    & skf18("3","8","4","4","1","7","1") = "7"
    & skf18("3","8","4","4","1","8","1") = "7"
    & skf18("3","8","4","4","1","9","1") = "8"
    & skf18("3","8","4","4","1","10","1") = "9"
    & skf18("3","8","4","4","2","1","1") = "7"
    & skf18("3","8","4","4","2","2","1") = "7"
    & skf18("3","8","4","4","2","3","1") = "7"
    & skf18("3","8","4","4","2","4","1") = "7"
    & skf18("3","8","4","4","2","5","1") = "7"
    & skf18("3","8","4","4","2","6","1") = "7"
    & skf18("3","8","4","4","2","7","1") = "7"
    & skf18("3","8","4","4","2","8","1") = "7"
    & skf18("3","8","4","4","2","9","1") = "8"
    & skf18("3","8","4","4","2","10","1") = "9"
    & skf18("3","8","4","4","3","1","1") = "7"
    & skf18("3","8","4","4","3","2","1") = "7"
    & skf18("3","8","4","4","3","3","1") = "7"
    & skf18("3","8","4","4","3","4","1") = "7"
    & skf18("3","8","4","4","3","5","1") = "7"
    & skf18("3","8","4","4","3","6","1") = "7"
    & skf18("3","8","4","4","3","7","1") = "7"
    & skf18("3","8","4","4","3","8","1") = "7"
    & skf18("3","8","4","4","3","9","1") = "8"
    & skf18("3","8","4","4","3","10","1") = "9"
    & skf18("3","8","4","4","4","1","1") = "7"
    & skf18("3","8","4","4","4","2","1") = "7"
    & skf18("3","8","4","4","4","3","1") = "7"
    & skf18("3","8","4","4","4","4","1") = "7"
    & skf18("3","8","4","4","4","5","1") = "7"
    & skf18("3","8","4","4","4","6","1") = "7"
    & skf18("3","8","4","4","4","7","1") = "7"
    & skf18("3","8","4","4","4","8","1") = "7"
    & skf18("3","8","4","4","4","9","1") = "8"
    & skf18("3","8","4","4","4","10","1") = "9"
    & skf18("3","8","4","4","5","1","1") = "7"
    & skf18("3","8","4","4","5","2","1") = "7"
    & skf18("3","8","4","4","5","3","1") = "7"
    & skf18("3","8","4","4","5","4","1") = "7"
    & skf18("3","8","4","4","5","5","1") = "7"
    & skf18("3","8","4","4","5","6","1") = "7"
    & skf18("3","8","4","4","5","7","1") = "7"
    & skf18("3","8","4","4","5","8","1") = "7"
    & skf18("3","8","4","4","5","9","1") = "8"
    & skf18("3","8","4","4","5","10","1") = "9"
    & skf18("3","8","4","4","6","1","1") = "7"
    & skf18("3","8","4","4","6","2","1") = "7"
    & skf18("3","8","4","4","6","3","1") = "7"
    & skf18("3","8","4","4","6","4","1") = "7"
    & skf18("3","8","4","4","6","5","1") = "7"
    & skf18("3","8","4","4","6","6","1") = "7"
    & skf18("3","8","4","4","6","7","1") = "7"
    & skf18("3","8","4","4","6","8","1") = "7"
    & skf18("3","8","4","4","6","9","1") = "8"
    & skf18("3","8","4","4","6","10","1") = "9"
    & skf18("3","8","4","4","7","1","1") = "7"
    & skf18("3","8","4","4","7","2","1") = "7"
    & skf18("3","8","4","4","7","3","1") = "7"
    & skf18("3","8","4","4","7","4","1") = "7"
    & skf18("3","8","4","4","7","5","1") = "7"
    & skf18("3","8","4","4","7","6","1") = "7"
    & skf18("3","8","4","4","7","7","1") = "7"
    & skf18("3","8","4","4","7","8","1") = "7"
    & skf18("3","8","4","4","7","9","1") = "8"
    & skf18("3","8","4","4","7","10","1") = "9"
    & skf18("3","8","4","4","8","1","1") = "7"
    & skf18("3","8","4","4","8","2","1") = "7"
    & skf18("3","8","4","4","8","3","1") = "7"
    & skf18("3","8","4","4","8","4","1") = "7"
    & skf18("3","8","4","4","8","5","1") = "7"
    & skf18("3","8","4","4","8","6","1") = "7"
    & skf18("3","8","4","4","8","7","1") = "7"
    & skf18("3","8","4","4","8","8","1") = "7"
    & skf18("3","8","4","4","8","9","1") = "8"
    & skf18("3","8","4","4","8","10","1") = "9"
    & skf18("3","8","4","4","9","1","1") = "8"
    & skf18("3","8","4","4","9","2","1") = "8"
    & skf18("3","8","4","4","9","3","1") = "8"
    & skf18("3","8","4","4","9","4","1") = "8"
    & skf18("3","8","4","4","9","5","1") = "8"
    & skf18("3","8","4","4","9","6","1") = "8"
    & skf18("3","8","4","4","9","7","1") = "8"
    & skf18("3","8","4","4","9","8","1") = "8"
    & skf18("3","8","4","4","9","9","1") = "8"
    & skf18("3","8","4","4","9","10","1") = "9"
    & skf18("3","8","4","4","10","1","1") = "9"
    & skf18("3","8","4","4","10","2","1") = "9"
    & skf18("3","8","4","4","10","3","1") = "9"
    & skf18("3","8","4","4","10","4","1") = "9"
    & skf18("3","8","4","4","10","5","1") = "9"
    & skf18("3","8","4","4","10","6","1") = "9"
    & skf18("3","8","4","4","10","7","1") = "9"
    & skf18("3","8","4","4","10","8","1") = "9"
    & skf18("3","8","4","4","10","9","1") = "9"
    & skf18("3","8","4","4","10","10","1") = "9"
    & skf18("3","8","4","5","1","1","1") = "7"
    & skf18("3","8","4","5","1","2","1") = "7"
    & skf18("3","8","4","5","1","3","1") = "7"
    & skf18("3","8","4","5","1","4","1") = "7"
    & skf18("3","8","4","5","1","5","1") = "7"
    & skf18("3","8","4","5","1","6","1") = "7"
    & skf18("3","8","4","5","1","7","1") = "7"
    & skf18("3","8","4","5","1","8","1") = "7"
    & skf18("3","8","4","5","1","9","1") = "8"
    & skf18("3","8","4","5","1","10","1") = "9"
    & skf18("3","8","4","5","2","1","1") = "7"
    & skf18("3","8","4","5","2","2","1") = "7"
    & skf18("3","8","4","5","2","3","1") = "7"
    & skf18("3","8","4","5","2","4","1") = "7"
    & skf18("3","8","4","5","2","5","1") = "7"
    & skf18("3","8","4","5","2","6","1") = "7"
    & skf18("3","8","4","5","2","7","1") = "7"
    & skf18("3","8","4","5","2","8","1") = "7"
    & skf18("3","8","4","5","2","9","1") = "8"
    & skf18("3","8","4","5","2","10","1") = "9"
    & skf18("3","8","4","5","3","1","1") = "7"
    & skf18("3","8","4","5","3","2","1") = "7"
    & skf18("3","8","4","5","3","3","1") = "7"
    & skf18("3","8","4","5","3","4","1") = "7"
    & skf18("3","8","4","5","3","5","1") = "7"
    & skf18("3","8","4","5","3","6","1") = "7"
    & skf18("3","8","4","5","3","7","1") = "7"
    & skf18("3","8","4","5","3","8","1") = "7"
    & skf18("3","8","4","5","3","9","1") = "8"
    & skf18("3","8","4","5","3","10","1") = "9"
    & skf18("3","8","4","5","4","1","1") = "7"
    & skf18("3","8","4","5","4","2","1") = "7"
    & skf18("3","8","4","5","4","3","1") = "7"
    & skf18("3","8","4","5","4","4","1") = "7"
    & skf18("3","8","4","5","4","5","1") = "7"
    & skf18("3","8","4","5","4","6","1") = "7"
    & skf18("3","8","4","5","4","7","1") = "7"
    & skf18("3","8","4","5","4","8","1") = "7"
    & skf18("3","8","4","5","4","9","1") = "8"
    & skf18("3","8","4","5","4","10","1") = "9"
    & skf18("3","8","4","5","5","1","1") = "7"
    & skf18("3","8","4","5","5","2","1") = "7"
    & skf18("3","8","4","5","5","3","1") = "7"
    & skf18("3","8","4","5","5","4","1") = "7"
    & skf18("3","8","4","5","5","5","1") = "7"
    & skf18("3","8","4","5","5","6","1") = "7"
    & skf18("3","8","4","5","5","7","1") = "7"
    & skf18("3","8","4","5","5","8","1") = "7"
    & skf18("3","8","4","5","5","9","1") = "8"
    & skf18("3","8","4","5","5","10","1") = "9"
    & skf18("3","8","4","5","6","1","1") = "7"
    & skf18("3","8","4","5","6","2","1") = "7"
    & skf18("3","8","4","5","6","3","1") = "7"
    & skf18("3","8","4","5","6","4","1") = "7"
    & skf18("3","8","4","5","6","5","1") = "7"
    & skf18("3","8","4","5","6","6","1") = "7"
    & skf18("3","8","4","5","6","7","1") = "7"
    & skf18("3","8","4","5","6","8","1") = "7"
    & skf18("3","8","4","5","6","9","1") = "8"
    & skf18("3","8","4","5","6","10","1") = "9"
    & skf18("3","8","4","5","7","1","1") = "7"
    & skf18("3","8","4","5","7","2","1") = "7"
    & skf18("3","8","4","5","7","3","1") = "7"
    & skf18("3","8","4","5","7","4","1") = "7"
    & skf18("3","8","4","5","7","5","1") = "7"
    & skf18("3","8","4","5","7","6","1") = "7"
    & skf18("3","8","4","5","7","7","1") = "7"
    & skf18("3","8","4","5","7","8","1") = "7"
    & skf18("3","8","4","5","7","9","1") = "8"
    & skf18("3","8","4","5","7","10","1") = "9"
    & skf18("3","8","4","5","8","1","1") = "7"
    & skf18("3","8","4","5","8","2","1") = "7"
    & skf18("3","8","4","5","8","3","1") = "7"
    & skf18("3","8","4","5","8","4","1") = "7"
    & skf18("3","8","4","5","8","5","1") = "7"
    & skf18("3","8","4","5","8","6","1") = "7"
    & skf18("3","8","4","5","8","7","1") = "7"
    & skf18("3","8","4","5","8","8","1") = "7"
    & skf18("3","8","4","5","8","9","1") = "8"
    & skf18("3","8","4","5","8","10","1") = "9"
    & skf18("3","8","4","5","9","1","1") = "8"
    & skf18("3","8","4","5","9","2","1") = "8"
    & skf18("3","8","4","5","9","3","1") = "8"
    & skf18("3","8","4","5","9","4","1") = "8"
    & skf18("3","8","4","5","9","5","1") = "8"
    & skf18("3","8","4","5","9","6","1") = "8"
    & skf18("3","8","4","5","9","7","1") = "8"
    & skf18("3","8","4","5","9","8","1") = "8"
    & skf18("3","8","4","5","9","9","1") = "8"
    & skf18("3","8","4","5","9","10","1") = "9"
    & skf18("3","8","4","5","10","1","1") = "9"
    & skf18("3","8","4","5","10","2","1") = "9"
    & skf18("3","8","4","5","10","3","1") = "9"
    & skf18("3","8","4","5","10","4","1") = "9"
    & skf18("3","8","4","5","10","5","1") = "9"
    & skf18("3","8","4","5","10","6","1") = "9"
    & skf18("3","8","4","5","10","7","1") = "9"
    & skf18("3","8","4","5","10","8","1") = "9"
    & skf18("3","8","4","5","10","9","1") = "9"
    & skf18("3","8","4","5","10","10","1") = "9"
    & skf18("3","8","4","6","1","1","1") = "7"
    & skf18("3","8","4","6","1","2","1") = "7"
    & skf18("3","8","4","6","1","3","1") = "7"
    & skf18("3","8","4","6","1","4","1") = "7"
    & skf18("3","8","4","6","1","5","1") = "7"
    & skf18("3","8","4","6","1","6","1") = "7"
    & skf18("3","8","4","6","1","7","1") = "7"
    & skf18("3","8","4","6","1","8","1") = "7"
    & skf18("3","8","4","6","1","9","1") = "8"
    & skf18("3","8","4","6","1","10","1") = "9"
    & skf18("3","8","4","6","2","1","1") = "7"
    & skf18("3","8","4","6","2","2","1") = "7"
    & skf18("3","8","4","6","2","3","1") = "7"
    & skf18("3","8","4","6","2","4","1") = "7"
    & skf18("3","8","4","6","2","5","1") = "7"
    & skf18("3","8","4","6","2","6","1") = "7"
    & skf18("3","8","4","6","2","7","1") = "7"
    & skf18("3","8","4","6","2","8","1") = "7"
    & skf18("3","8","4","6","2","9","1") = "8"
    & skf18("3","8","4","6","2","10","1") = "9"
    & skf18("3","8","4","6","3","1","1") = "7"
    & skf18("3","8","4","6","3","2","1") = "7"
    & skf18("3","8","4","6","3","3","1") = "7"
    & skf18("3","8","4","6","3","4","1") = "7"
    & skf18("3","8","4","6","3","5","1") = "7"
    & skf18("3","8","4","6","3","6","1") = "7"
    & skf18("3","8","4","6","3","7","1") = "7"
    & skf18("3","8","4","6","3","8","1") = "7"
    & skf18("3","8","4","6","3","9","1") = "8"
    & skf18("3","8","4","6","3","10","1") = "9"
    & skf18("3","8","4","6","4","1","1") = "7"
    & skf18("3","8","4","6","4","2","1") = "7"
    & skf18("3","8","4","6","4","3","1") = "7"
    & skf18("3","8","4","6","4","4","1") = "7"
    & skf18("3","8","4","6","4","5","1") = "7"
    & skf18("3","8","4","6","4","6","1") = "7"
    & skf18("3","8","4","6","4","7","1") = "7"
    & skf18("3","8","4","6","4","8","1") = "7"
    & skf18("3","8","4","6","4","9","1") = "8"
    & skf18("3","8","4","6","4","10","1") = "9"
    & skf18("3","8","4","6","5","1","1") = "7"
    & skf18("3","8","4","6","5","2","1") = "7"
    & skf18("3","8","4","6","5","3","1") = "7"
    & skf18("3","8","4","6","5","4","1") = "7"
    & skf18("3","8","4","6","5","5","1") = "7"
    & skf18("3","8","4","6","5","6","1") = "7"
    & skf18("3","8","4","6","5","7","1") = "7"
    & skf18("3","8","4","6","5","8","1") = "7"
    & skf18("3","8","4","6","5","9","1") = "8"
    & skf18("3","8","4","6","5","10","1") = "9"
    & skf18("3","8","4","6","6","1","1") = "7"
    & skf18("3","8","4","6","6","2","1") = "7"
    & skf18("3","8","4","6","6","3","1") = "7"
    & skf18("3","8","4","6","6","4","1") = "7"
    & skf18("3","8","4","6","6","5","1") = "7"
    & skf18("3","8","4","6","6","6","1") = "7"
    & skf18("3","8","4","6","6","7","1") = "7"
    & skf18("3","8","4","6","6","8","1") = "7"
    & skf18("3","8","4","6","6","9","1") = "8"
    & skf18("3","8","4","6","6","10","1") = "9"
    & skf18("3","8","4","6","7","1","1") = "7"
    & skf18("3","8","4","6","7","2","1") = "7"
    & skf18("3","8","4","6","7","3","1") = "7"
    & skf18("3","8","4","6","7","4","1") = "7"
    & skf18("3","8","4","6","7","5","1") = "7"
    & skf18("3","8","4","6","7","6","1") = "7"
    & skf18("3","8","4","6","7","7","1") = "7"
    & skf18("3","8","4","6","7","8","1") = "7"
    & skf18("3","8","4","6","7","9","1") = "8"
    & skf18("3","8","4","6","7","10","1") = "9"
    & skf18("3","8","4","6","8","1","1") = "7"
    & skf18("3","8","4","6","8","2","1") = "7"
    & skf18("3","8","4","6","8","3","1") = "7"
    & skf18("3","8","4","6","8","4","1") = "7"
    & skf18("3","8","4","6","8","5","1") = "7"
    & skf18("3","8","4","6","8","6","1") = "7"
    & skf18("3","8","4","6","8","7","1") = "7"
    & skf18("3","8","4","6","8","8","1") = "7"
    & skf18("3","8","4","6","8","9","1") = "8"
    & skf18("3","8","4","6","8","10","1") = "9"
    & skf18("3","8","4","6","9","1","1") = "8"
    & skf18("3","8","4","6","9","2","1") = "8"
    & skf18("3","8","4","6","9","3","1") = "8"
    & skf18("3","8","4","6","9","4","1") = "8"
    & skf18("3","8","4","6","9","5","1") = "8"
    & skf18("3","8","4","6","9","6","1") = "8"
    & skf18("3","8","4","6","9","7","1") = "8"
    & skf18("3","8","4","6","9","8","1") = "8"
    & skf18("3","8","4","6","9","9","1") = "8"
    & skf18("3","8","4","6","9","10","1") = "9"
    & skf18("3","8","4","6","10","1","1") = "9"
    & skf18("3","8","4","6","10","2","1") = "9"
    & skf18("3","8","4","6","10","3","1") = "9"
    & skf18("3","8","4","6","10","4","1") = "9"
    & skf18("3","8","4","6","10","5","1") = "9"
    & skf18("3","8","4","6","10","6","1") = "9"
    & skf18("3","8","4","6","10","7","1") = "9"
    & skf18("3","8","4","6","10","8","1") = "9"
    & skf18("3","8","4","6","10","9","1") = "9"
    & skf18("3","8","4","6","10","10","1") = "9"
    & skf18("3","8","4","7","1","1","1") = "7"
    & skf18("3","8","4","7","1","2","1") = "7"
    & skf18("3","8","4","7","1","3","1") = "7"
    & skf18("3","8","4","7","1","4","1") = "7"
    & skf18("3","8","4","7","1","5","1") = "7"
    & skf18("3","8","4","7","1","6","1") = "7"
    & skf18("3","8","4","7","1","7","1") = "7"
    & skf18("3","8","4","7","1","8","1") = "7"
    & skf18("3","8","4","7","1","9","1") = "8"
    & skf18("3","8","4","7","1","10","1") = "9"
    & skf18("3","8","4","7","2","1","1") = "7"
    & skf18("3","8","4","7","2","2","1") = "7"
    & skf18("3","8","4","7","2","3","1") = "7"
    & skf18("3","8","4","7","2","4","1") = "7"
    & skf18("3","8","4","7","2","5","1") = "7"
    & skf18("3","8","4","7","2","6","1") = "7"
    & skf18("3","8","4","7","2","7","1") = "7"
    & skf18("3","8","4","7","2","8","1") = "7"
    & skf18("3","8","4","7","2","9","1") = "8"
    & skf18("3","8","4","7","2","10","1") = "9"
    & skf18("3","8","4","7","3","1","1") = "7"
    & skf18("3","8","4","7","3","2","1") = "7"
    & skf18("3","8","4","7","3","3","1") = "7"
    & skf18("3","8","4","7","3","4","1") = "7"
    & skf18("3","8","4","7","3","5","1") = "7"
    & skf18("3","8","4","7","3","6","1") = "7"
    & skf18("3","8","4","7","3","7","1") = "7"
    & skf18("3","8","4","7","3","8","1") = "7"
    & skf18("3","8","4","7","3","9","1") = "8"
    & skf18("3","8","4","7","3","10","1") = "9"
    & skf18("3","8","4","7","4","1","1") = "7"
    & skf18("3","8","4","7","4","2","1") = "7"
    & skf18("3","8","4","7","4","3","1") = "7"
    & skf18("3","8","4","7","4","4","1") = "7"
    & skf18("3","8","4","7","4","5","1") = "7"
    & skf18("3","8","4","7","4","6","1") = "7"
    & skf18("3","8","4","7","4","7","1") = "7"
    & skf18("3","8","4","7","4","8","1") = "7"
    & skf18("3","8","4","7","4","9","1") = "8"
    & skf18("3","8","4","7","4","10","1") = "9"
    & skf18("3","8","4","7","5","1","1") = "7"
    & skf18("3","8","4","7","5","2","1") = "7"
    & skf18("3","8","4","7","5","3","1") = "7"
    & skf18("3","8","4","7","5","4","1") = "7"
    & skf18("3","8","4","7","5","5","1") = "7"
    & skf18("3","8","4","7","5","6","1") = "7"
    & skf18("3","8","4","7","5","7","1") = "7"
    & skf18("3","8","4","7","5","8","1") = "7"
    & skf18("3","8","4","7","5","9","1") = "8"
    & skf18("3","8","4","7","5","10","1") = "9"
    & skf18("3","8","4","7","6","1","1") = "7"
    & skf18("3","8","4","7","6","2","1") = "7"
    & skf18("3","8","4","7","6","3","1") = "7"
    & skf18("3","8","4","7","6","4","1") = "7"
    & skf18("3","8","4","7","6","5","1") = "7"
    & skf18("3","8","4","7","6","6","1") = "7"
    & skf18("3","8","4","7","6","7","1") = "7"
    & skf18("3","8","4","7","6","8","1") = "7"
    & skf18("3","8","4","7","6","9","1") = "8"
    & skf18("3","8","4","7","6","10","1") = "9"
    & skf18("3","8","4","7","7","1","1") = "7"
    & skf18("3","8","4","7","7","2","1") = "7"
    & skf18("3","8","4","7","7","3","1") = "7"
    & skf18("3","8","4","7","7","4","1") = "7"
    & skf18("3","8","4","7","7","5","1") = "7"
    & skf18("3","8","4","7","7","6","1") = "7"
    & skf18("3","8","4","7","7","7","1") = "7"
    & skf18("3","8","4","7","7","8","1") = "7"
    & skf18("3","8","4","7","7","9","1") = "8"
    & skf18("3","8","4","7","7","10","1") = "9"
    & skf18("3","8","4","7","8","1","1") = "7"
    & skf18("3","8","4","7","8","2","1") = "7"
    & skf18("3","8","4","7","8","3","1") = "7"
    & skf18("3","8","4","7","8","4","1") = "7"
    & skf18("3","8","4","7","8","5","1") = "7"
    & skf18("3","8","4","7","8","6","1") = "7"
    & skf18("3","8","4","7","8","7","1") = "7"
    & skf18("3","8","4","7","8","8","1") = "7"
    & skf18("3","8","4","7","8","9","1") = "8"
    & skf18("3","8","4","7","8","10","1") = "9"
    & skf18("3","8","4","7","9","1","1") = "8"
    & skf18("3","8","4","7","9","2","1") = "8"
    & skf18("3","8","4","7","9","3","1") = "8"
    & skf18("3","8","4","7","9","4","1") = "8"
    & skf18("3","8","4","7","9","5","1") = "8"
    & skf18("3","8","4","7","9","6","1") = "8"
    & skf18("3","8","4","7","9","7","1") = "8"
    & skf18("3","8","4","7","9","8","1") = "8"
    & skf18("3","8","4","7","9","9","1") = "8"
    & skf18("3","8","4","7","9","10","1") = "9"
    & skf18("3","8","4","7","10","1","1") = "9"
    & skf18("3","8","4","7","10","2","1") = "9"
    & skf18("3","8","4","7","10","3","1") = "9"
    & skf18("3","8","4","7","10","4","1") = "9"
    & skf18("3","8","4","7","10","5","1") = "9"
    & skf18("3","8","4","7","10","6","1") = "9"
    & skf18("3","8","4","7","10","7","1") = "9"
    & skf18("3","8","4","7","10","8","1") = "9"
    & skf18("3","8","4","7","10","9","1") = "9"
    & skf18("3","8","4","7","10","10","1") = "9"
    & skf18("3","8","4","8","1","1","1") = "7"
    & skf18("3","8","4","8","1","2","1") = "7"
    & skf18("3","8","4","8","1","3","1") = "7"
    & skf18("3","8","4","8","1","4","1") = "7"
    & skf18("3","8","4","8","1","5","1") = "7"
    & skf18("3","8","4","8","1","6","1") = "7"
    & skf18("3","8","4","8","1","7","1") = "7"
    & skf18("3","8","4","8","1","8","1") = "7"
    & skf18("3","8","4","8","1","9","1") = "8"
    & skf18("3","8","4","8","1","10","1") = "9"
    & skf18("3","8","4","8","2","1","1") = "7"
    & skf18("3","8","4","8","2","2","1") = "7"
    & skf18("3","8","4","8","2","3","1") = "7"
    & skf18("3","8","4","8","2","4","1") = "7"
    & skf18("3","8","4","8","2","5","1") = "7"
    & skf18("3","8","4","8","2","6","1") = "7"
    & skf18("3","8","4","8","2","7","1") = "7"
    & skf18("3","8","4","8","2","8","1") = "7"
    & skf18("3","8","4","8","2","9","1") = "8"
    & skf18("3","8","4","8","2","10","1") = "9"
    & skf18("3","8","4","8","3","1","1") = "7"
    & skf18("3","8","4","8","3","2","1") = "7"
    & skf18("3","8","4","8","3","3","1") = "7"
    & skf18("3","8","4","8","3","4","1") = "7"
    & skf18("3","8","4","8","3","5","1") = "7"
    & skf18("3","8","4","8","3","6","1") = "7"
    & skf18("3","8","4","8","3","7","1") = "7"
    & skf18("3","8","4","8","3","8","1") = "7"
    & skf18("3","8","4","8","3","9","1") = "8"
    & skf18("3","8","4","8","3","10","1") = "9"
    & skf18("3","8","4","8","4","1","1") = "7"
    & skf18("3","8","4","8","4","2","1") = "7"
    & skf18("3","8","4","8","4","3","1") = "7"
    & skf18("3","8","4","8","4","4","1") = "7"
    & skf18("3","8","4","8","4","5","1") = "7"
    & skf18("3","8","4","8","4","6","1") = "7"
    & skf18("3","8","4","8","4","7","1") = "7"
    & skf18("3","8","4","8","4","8","1") = "7"
    & skf18("3","8","4","8","4","9","1") = "8"
    & skf18("3","8","4","8","4","10","1") = "9"
    & skf18("3","8","4","8","5","1","1") = "7"
    & skf18("3","8","4","8","5","2","1") = "7"
    & skf18("3","8","4","8","5","3","1") = "7"
    & skf18("3","8","4","8","5","4","1") = "7"
    & skf18("3","8","4","8","5","5","1") = "7"
    & skf18("3","8","4","8","5","6","1") = "7"
    & skf18("3","8","4","8","5","7","1") = "7"
    & skf18("3","8","4","8","5","8","1") = "7"
    & skf18("3","8","4","8","5","9","1") = "8"
    & skf18("3","8","4","8","5","10","1") = "9"
    & skf18("3","8","4","8","6","1","1") = "7"
    & skf18("3","8","4","8","6","2","1") = "7"
    & skf18("3","8","4","8","6","3","1") = "7"
    & skf18("3","8","4","8","6","4","1") = "7"
    & skf18("3","8","4","8","6","5","1") = "7"
    & skf18("3","8","4","8","6","6","1") = "7"
    & skf18("3","8","4","8","6","7","1") = "7"
    & skf18("3","8","4","8","6","8","1") = "7"
    & skf18("3","8","4","8","6","9","1") = "8"
    & skf18("3","8","4","8","6","10","1") = "9"
    & skf18("3","8","4","8","7","1","1") = "7"
    & skf18("3","8","4","8","7","2","1") = "7"
    & skf18("3","8","4","8","7","3","1") = "7"
    & skf18("3","8","4","8","7","4","1") = "7"
    & skf18("3","8","4","8","7","5","1") = "7"
    & skf18("3","8","4","8","7","6","1") = "7"
    & skf18("3","8","4","8","7","7","1") = "7"
    & skf18("3","8","4","8","7","8","1") = "7"
    & skf18("3","8","4","8","7","9","1") = "8"
    & skf18("3","8","4","8","7","10","1") = "9"
    & skf18("3","8","4","8","8","1","1") = "7"
    & skf18("3","8","4","8","8","2","1") = "7"
    & skf18("3","8","4","8","8","3","1") = "7"
    & skf18("3","8","4","8","8","4","1") = "7"
    & skf18("3","8","4","8","8","5","1") = "7"
    & skf18("3","8","4","8","8","6","1") = "7"
    & skf18("3","8","4","8","8","7","1") = "7"
    & skf18("3","8","4","8","8","8","1") = "7"
    & skf18("3","8","4","8","8","9","1") = "8"
    & skf18("3","8","4","8","8","10","1") = "9"
    & skf18("3","8","4","8","9","1","1") = "8"
    & skf18("3","8","4","8","9","2","1") = "8"
    & skf18("3","8","4","8","9","3","1") = "8"
    & skf18("3","8","4","8","9","4","1") = "8"
    & skf18("3","8","4","8","9","5","1") = "8"
    & skf18("3","8","4","8","9","6","1") = "8"
    & skf18("3","8","4","8","9","7","1") = "8"
    & skf18("3","8","4","8","9","8","1") = "8"
    & skf18("3","8","4","8","9","9","1") = "8"
    & skf18("3","8","4","8","9","10","1") = "9"
    & skf18("3","8","4","8","10","1","1") = "9"
    & skf18("3","8","4","8","10","2","1") = "9"
    & skf18("3","8","4","8","10","3","1") = "9"
    & skf18("3","8","4","8","10","4","1") = "9"
    & skf18("3","8","4","8","10","5","1") = "9"
    & skf18("3","8","4","8","10","6","1") = "9"
    & skf18("3","8","4","8","10","7","1") = "9"
    & skf18("3","8","4","8","10","8","1") = "9"
    & skf18("3","8","4","8","10","9","1") = "9"
    & skf18("3","8","4","8","10","10","1") = "9"
    & skf18("3","8","4","9","1","1","1") = "8"
    & skf18("3","8","4","9","1","2","1") = "8"
    & skf18("3","8","4","9","1","3","1") = "8"
    & skf18("3","8","4","9","1","4","1") = "8"
    & skf18("3","8","4","9","1","5","1") = "8"
    & skf18("3","8","4","9","1","6","1") = "8"
    & skf18("3","8","4","9","1","7","1") = "8"
    & skf18("3","8","4","9","1","8","1") = "8"
    & skf18("3","8","4","9","1","9","1") = "8"
    & skf18("3","8","4","9","1","10","1") = "9"
    & skf18("3","8","4","9","2","1","1") = "8"
    & skf18("3","8","4","9","2","2","1") = "8"
    & skf18("3","8","4","9","2","3","1") = "8"
    & skf18("3","8","4","9","2","4","1") = "8"
    & skf18("3","8","4","9","2","5","1") = "8"
    & skf18("3","8","4","9","2","6","1") = "8"
    & skf18("3","8","4","9","2","7","1") = "8"
    & skf18("3","8","4","9","2","8","1") = "8"
    & skf18("3","8","4","9","2","9","1") = "8"
    & skf18("3","8","4","9","2","10","1") = "9"
    & skf18("3","8","4","9","3","1","1") = "8"
    & skf18("3","8","4","9","3","2","1") = "8"
    & skf18("3","8","4","9","3","3","1") = "8"
    & skf18("3","8","4","9","3","4","1") = "8"
    & skf18("3","8","4","9","3","5","1") = "8"
    & skf18("3","8","4","9","3","6","1") = "8"
    & skf18("3","8","4","9","3","7","1") = "8"
    & skf18("3","8","4","9","3","8","1") = "8"
    & skf18("3","8","4","9","3","9","1") = "8"
    & skf18("3","8","4","9","3","10","1") = "9"
    & skf18("3","8","4","9","4","1","1") = "8"
    & skf18("3","8","4","9","4","2","1") = "8"
    & skf18("3","8","4","9","4","3","1") = "8"
    & skf18("3","8","4","9","4","4","1") = "8"
    & skf18("3","8","4","9","4","5","1") = "8"
    & skf18("3","8","4","9","4","6","1") = "8"
    & skf18("3","8","4","9","4","7","1") = "8"
    & skf18("3","8","4","9","4","8","1") = "8"
    & skf18("3","8","4","9","4","9","1") = "8"
    & skf18("3","8","4","9","4","10","1") = "9"
    & skf18("3","8","4","9","5","1","1") = "8"
    & skf18("3","8","4","9","5","2","1") = "8"
    & skf18("3","8","4","9","5","3","1") = "8"
    & skf18("3","8","4","9","5","4","1") = "8"
    & skf18("3","8","4","9","5","5","1") = "8"
    & skf18("3","8","4","9","5","6","1") = "8"
    & skf18("3","8","4","9","5","7","1") = "8"
    & skf18("3","8","4","9","5","8","1") = "8"
    & skf18("3","8","4","9","5","9","1") = "8"
    & skf18("3","8","4","9","5","10","1") = "9"
    & skf18("3","8","4","9","6","1","1") = "8"
    & skf18("3","8","4","9","6","2","1") = "8"
    & skf18("3","8","4","9","6","3","1") = "8"
    & skf18("3","8","4","9","6","4","1") = "8"
    & skf18("3","8","4","9","6","5","1") = "8"
    & skf18("3","8","4","9","6","6","1") = "8"
    & skf18("3","8","4","9","6","7","1") = "8"
    & skf18("3","8","4","9","6","8","1") = "8"
    & skf18("3","8","4","9","6","9","1") = "8"
    & skf18("3","8","4","9","6","10","1") = "9"
    & skf18("3","8","4","9","7","1","1") = "8"
    & skf18("3","8","4","9","7","2","1") = "8"
    & skf18("3","8","4","9","7","3","1") = "8"
    & skf18("3","8","4","9","7","4","1") = "8"
    & skf18("3","8","4","9","7","5","1") = "8"
    & skf18("3","8","4","9","7","6","1") = "8"
    & skf18("3","8","4","9","7","7","1") = "8"
    & skf18("3","8","4","9","7","8","1") = "8"
    & skf18("3","8","4","9","7","9","1") = "8"
    & skf18("3","8","4","9","7","10","1") = "9"
    & skf18("3","8","4","9","8","1","1") = "8"
    & skf18("3","8","4","9","8","2","1") = "8"
    & skf18("3","8","4","9","8","3","1") = "8"
    & skf18("3","8","4","9","8","4","1") = "8"
    & skf18("3","8","4","9","8","5","1") = "8"
    & skf18("3","8","4","9","8","6","1") = "8"
    & skf18("3","8","4","9","8","7","1") = "8"
    & skf18("3","8","4","9","8","8","1") = "8"
    & skf18("3","8","4","9","8","9","1") = "8"
    & skf18("3","8","4","9","8","10","1") = "9"
    & skf18("3","8","4","9","9","1","1") = "8"
    & skf18("3","8","4","9","9","2","1") = "8"
    & skf18("3","8","4","9","9","3","1") = "8"
    & skf18("3","8","4","9","9","4","1") = "8"
    & skf18("3","8","4","9","9","5","1") = "8"
    & skf18("3","8","4","9","9","6","1") = "8"
    & skf18("3","8","4","9","9","7","1") = "8"
    & skf18("3","8","4","9","9","8","1") = "8"
    & skf18("3","8","4","9","9","9","1") = "8"
    & skf18("3","8","4","9","9","10","1") = "9"
    & skf18("3","8","4","9","10","1","1") = "9"
    & skf18("3","8","4","9","10","2","1") = "9"
    & skf18("3","8","4","9","10","3","1") = "9"
    & skf18("3","8","4","9","10","4","1") = "9"
    & skf18("3","8","4","9","10","5","1") = "9"
    & skf18("3","8","4","9","10","6","1") = "9"
    & skf18("3","8","4","9","10","7","1") = "9"
    & skf18("3","8","4","9","10","8","1") = "9"
    & skf18("3","8","4","9","10","9","1") = "9"
    & skf18("3","8","4","9","10","10","1") = "9"
    & skf18("3","8","4","10","1","1","1") = "9"
    & skf18("3","8","4","10","1","2","1") = "9"
    & skf18("3","8","4","10","1","3","1") = "9"
    & skf18("3","8","4","10","1","4","1") = "9"
    & skf18("3","8","4","10","1","5","1") = "9"
    & skf18("3","8","4","10","1","6","1") = "9"
    & skf18("3","8","4","10","1","7","1") = "9"
    & skf18("3","8","4","10","1","8","1") = "9"
    & skf18("3","8","4","10","1","9","1") = "9"
    & skf18("3","8","4","10","1","10","1") = "9"
    & skf18("3","8","4","10","2","1","1") = "9"
    & skf18("3","8","4","10","2","2","1") = "9"
    & skf18("3","8","4","10","2","3","1") = "9"
    & skf18("3","8","4","10","2","4","1") = "9"
    & skf18("3","8","4","10","2","5","1") = "9"
    & skf18("3","8","4","10","2","6","1") = "9"
    & skf18("3","8","4","10","2","7","1") = "9"
    & skf18("3","8","4","10","2","8","1") = "9"
    & skf18("3","8","4","10","2","9","1") = "9"
    & skf18("3","8","4","10","2","10","1") = "9"
    & skf18("3","8","4","10","3","1","1") = "9"
    & skf18("3","8","4","10","3","2","1") = "9"
    & skf18("3","8","4","10","3","3","1") = "9"
    & skf18("3","8","4","10","3","4","1") = "9"
    & skf18("3","8","4","10","3","5","1") = "9"
    & skf18("3","8","4","10","3","6","1") = "9"
    & skf18("3","8","4","10","3","7","1") = "9"
    & skf18("3","8","4","10","3","8","1") = "9"
    & skf18("3","8","4","10","3","9","1") = "9"
    & skf18("3","8","4","10","3","10","1") = "9"
    & skf18("3","8","4","10","4","1","1") = "9"
    & skf18("3","8","4","10","4","2","1") = "9"
    & skf18("3","8","4","10","4","3","1") = "9"
    & skf18("3","8","4","10","4","4","1") = "9"
    & skf18("3","8","4","10","4","5","1") = "9"
    & skf18("3","8","4","10","4","6","1") = "9"
    & skf18("3","8","4","10","4","7","1") = "9"
    & skf18("3","8","4","10","4","8","1") = "9"
    & skf18("3","8","4","10","4","9","1") = "9"
    & skf18("3","8","4","10","4","10","1") = "9"
    & skf18("3","8","4","10","5","1","1") = "9"
    & skf18("3","8","4","10","5","2","1") = "9"
    & skf18("3","8","4","10","5","3","1") = "9"
    & skf18("3","8","4","10","5","4","1") = "9"
    & skf18("3","8","4","10","5","5","1") = "9"
    & skf18("3","8","4","10","5","6","1") = "9"
    & skf18("3","8","4","10","5","7","1") = "9"
    & skf18("3","8","4","10","5","8","1") = "9"
    & skf18("3","8","4","10","5","9","1") = "9"
    & skf18("3","8","4","10","5","10","1") = "9"
    & skf18("3","8","4","10","6","1","1") = "9"
    & skf18("3","8","4","10","6","2","1") = "9"
    & skf18("3","8","4","10","6","3","1") = "9"
    & skf18("3","8","4","10","6","4","1") = "9"
    & skf18("3","8","4","10","6","5","1") = "9"
    & skf18("3","8","4","10","6","6","1") = "9"
    & skf18("3","8","4","10","6","7","1") = "9"
    & skf18("3","8","4","10","6","8","1") = "9"
    & skf18("3","8","4","10","6","9","1") = "9"
    & skf18("3","8","4","10","6","10","1") = "9"
    & skf18("3","8","4","10","7","1","1") = "9"
    & skf18("3","8","4","10","7","2","1") = "9"
    & skf18("3","8","4","10","7","3","1") = "9"
    & skf18("3","8","4","10","7","4","1") = "9"
    & skf18("3","8","4","10","7","5","1") = "9"
    & skf18("3","8","4","10","7","6","1") = "9"
    & skf18("3","8","4","10","7","7","1") = "9"
    & skf18("3","8","4","10","7","8","1") = "9"
    & skf18("3","8","4","10","7","9","1") = "9"
    & skf18("3","8","4","10","7","10","1") = "9"
    & skf18("3","8","4","10","8","1","1") = "9"
    & skf18("3","8","4","10","8","2","1") = "9"
    & skf18("3","8","4","10","8","3","1") = "9"
    & skf18("3","8","4","10","8","4","1") = "9"
    & skf18("3","8","4","10","8","5","1") = "9"
    & skf18("3","8","4","10","8","6","1") = "9"
    & skf18("3","8","4","10","8","7","1") = "9"
    & skf18("3","8","4","10","8","8","1") = "9"
    & skf18("3","8","4","10","8","9","1") = "9"
    & skf18("3","8","4","10","8","10","1") = "9"
    & skf18("3","8","4","10","9","1","1") = "9"
    & skf18("3","8","4","10","9","2","1") = "9"
    & skf18("3","8","4","10","9","3","1") = "9"
    & skf18("3","8","4","10","9","4","1") = "9"
    & skf18("3","8","4","10","9","5","1") = "9"
    & skf18("3","8","4","10","9","6","1") = "9"
    & skf18("3","8","4","10","9","7","1") = "9"
    & skf18("3","8","4","10","9","8","1") = "9"
    & skf18("3","8","4","10","9","9","1") = "9"
    & skf18("3","8","4","10","9","10","1") = "9"
    & skf18("3","8","4","10","10","1","1") = "9"
    & skf18("3","8","4","10","10","2","1") = "9"
    & skf18("3","8","4","10","10","3","1") = "9"
    & skf18("3","8","4","10","10","4","1") = "9"
    & skf18("3","8","4","10","10","5","1") = "9"
    & skf18("3","8","4","10","10","6","1") = "9"
    & skf18("3","8","4","10","10","7","1") = "9"
    & skf18("3","8","4","10","10","8","1") = "9"
    & skf18("3","8","4","10","10","9","1") = "9"
    & skf18("3","8","4","10","10","10","1") = "9"
    & skf18("3","8","5","1","1","1","1") = "7"
    & skf18("3","8","5","1","1","2","1") = "7"
    & skf18("3","8","5","1","1","3","1") = "7"
    & skf18("3","8","5","1","1","4","1") = "7"
    & skf18("3","8","5","1","1","5","1") = "7"
    & skf18("3","8","5","1","1","6","1") = "7"
    & skf18("3","8","5","1","1","7","1") = "7"
    & skf18("3","8","5","1","1","8","1") = "7"
    & skf18("3","8","5","1","1","9","1") = "8"
    & skf18("3","8","5","1","1","10","1") = "9"
    & skf18("3","8","5","1","2","1","1") = "7"
    & skf18("3","8","5","1","2","2","1") = "7"
    & skf18("3","8","5","1","2","3","1") = "7"
    & skf18("3","8","5","1","2","4","1") = "7"
    & skf18("3","8","5","1","2","5","1") = "7"
    & skf18("3","8","5","1","2","6","1") = "7"
    & skf18("3","8","5","1","2","7","1") = "7"
    & skf18("3","8","5","1","2","8","1") = "7"
    & skf18("3","8","5","1","2","9","1") = "8"
    & skf18("3","8","5","1","2","10","1") = "9"
    & skf18("3","8","5","1","3","1","1") = "7"
    & skf18("3","8","5","1","3","2","1") = "7"
    & skf18("3","8","5","1","3","3","1") = "7"
    & skf18("3","8","5","1","3","4","1") = "7"
    & skf18("3","8","5","1","3","5","1") = "7"
    & skf18("3","8","5","1","3","6","1") = "7"
    & skf18("3","8","5","1","3","7","1") = "7"
    & skf18("3","8","5","1","3","8","1") = "7"
    & skf18("3","8","5","1","3","9","1") = "8"
    & skf18("3","8","5","1","3","10","1") = "9"
    & skf18("3","8","5","1","4","1","1") = "7"
    & skf18("3","8","5","1","4","2","1") = "7"
    & skf18("3","8","5","1","4","3","1") = "7"
    & skf18("3","8","5","1","4","4","1") = "7"
    & skf18("3","8","5","1","4","5","1") = "7"
    & skf18("3","8","5","1","4","6","1") = "7"
    & skf18("3","8","5","1","4","7","1") = "7"
    & skf18("3","8","5","1","4","8","1") = "7"
    & skf18("3","8","5","1","4","9","1") = "8"
    & skf18("3","8","5","1","4","10","1") = "9"
    & skf18("3","8","5","1","5","1","1") = "7"
    & skf18("3","8","5","1","5","2","1") = "7"
    & skf18("3","8","5","1","5","3","1") = "7"
    & skf18("3","8","5","1","5","4","1") = "7"
    & skf18("3","8","5","1","5","5","1") = "7"
    & skf18("3","8","5","1","5","6","1") = "7"
    & skf18("3","8","5","1","5","7","1") = "7"
    & skf18("3","8","5","1","5","8","1") = "7"
    & skf18("3","8","5","1","5","9","1") = "8"
    & skf18("3","8","5","1","5","10","1") = "9"
    & skf18("3","8","5","1","6","1","1") = "7"
    & skf18("3","8","5","1","6","2","1") = "7"
    & skf18("3","8","5","1","6","3","1") = "7"
    & skf18("3","8","5","1","6","4","1") = "7"
    & skf18("3","8","5","1","6","5","1") = "7"
    & skf18("3","8","5","1","6","6","1") = "7"
    & skf18("3","8","5","1","6","7","1") = "7"
    & skf18("3","8","5","1","6","8","1") = "7"
    & skf18("3","8","5","1","6","9","1") = "8"
    & skf18("3","8","5","1","6","10","1") = "9"
    & skf18("3","8","5","1","7","1","1") = "7"
    & skf18("3","8","5","1","7","2","1") = "7"
    & skf18("3","8","5","1","7","3","1") = "7"
    & skf18("3","8","5","1","7","4","1") = "7"
    & skf18("3","8","5","1","7","5","1") = "7"
    & skf18("3","8","5","1","7","6","1") = "7"
    & skf18("3","8","5","1","7","7","1") = "7"
    & skf18("3","8","5","1","7","8","1") = "7"
    & skf18("3","8","5","1","7","9","1") = "8"
    & skf18("3","8","5","1","7","10","1") = "9"
    & skf18("3","8","5","1","8","1","1") = "7"
    & skf18("3","8","5","1","8","2","1") = "7"
    & skf18("3","8","5","1","8","3","1") = "7"
    & skf18("3","8","5","1","8","4","1") = "7"
    & skf18("3","8","5","1","8","5","1") = "7"
    & skf18("3","8","5","1","8","6","1") = "7"
    & skf18("3","8","5","1","8","7","1") = "7"
    & skf18("3","8","5","1","8","8","1") = "7"
    & skf18("3","8","5","1","8","9","1") = "8"
    & skf18("3","8","5","1","8","10","1") = "9"
    & skf18("3","8","5","1","9","1","1") = "8"
    & skf18("3","8","5","1","9","2","1") = "8"
    & skf18("3","8","5","1","9","3","1") = "8"
    & skf18("3","8","5","1","9","4","1") = "8"
    & skf18("3","8","5","1","9","5","1") = "8"
    & skf18("3","8","5","1","9","6","1") = "8"
    & skf18("3","8","5","1","9","7","1") = "8"
    & skf18("3","8","5","1","9","8","1") = "8"
    & skf18("3","8","5","1","9","9","1") = "8"
    & skf18("3","8","5","1","9","10","1") = "9"
    & skf18("3","8","5","1","10","1","1") = "9"
    & skf18("3","8","5","1","10","2","1") = "9"
    & skf18("3","8","5","1","10","3","1") = "9"
    & skf18("3","8","5","1","10","4","1") = "9"
    & skf18("3","8","5","1","10","5","1") = "9"
    & skf18("3","8","5","1","10","6","1") = "9"
    & skf18("3","8","5","1","10","7","1") = "9"
    & skf18("3","8","5","1","10","8","1") = "9"
    & skf18("3","8","5","1","10","9","1") = "9"
    & skf18("3","8","5","1","10","10","1") = "9"
    & skf18("3","8","5","2","1","1","1") = "7"
    & skf18("3","8","5","2","1","2","1") = "7"
    & skf18("3","8","5","2","1","3","1") = "7"
    & skf18("3","8","5","2","1","4","1") = "7"
    & skf18("3","8","5","2","1","5","1") = "7"
    & skf18("3","8","5","2","1","6","1") = "7"
    & skf18("3","8","5","2","1","7","1") = "7"
    & skf18("3","8","5","2","1","8","1") = "7"
    & skf18("3","8","5","2","1","9","1") = "8"
    & skf18("3","8","5","2","1","10","1") = "9"
    & skf18("3","8","5","2","2","1","1") = "7"
    & skf18("3","8","5","2","2","2","1") = "7"
    & skf18("3","8","5","2","2","3","1") = "7"
    & skf18("3","8","5","2","2","4","1") = "7"
    & skf18("3","8","5","2","2","5","1") = "7"
    & skf18("3","8","5","2","2","6","1") = "7"
    & skf18("3","8","5","2","2","7","1") = "7"
    & skf18("3","8","5","2","2","8","1") = "7"
    & skf18("3","8","5","2","2","9","1") = "8"
    & skf18("3","8","5","2","2","10","1") = "9"
    & skf18("3","8","5","2","3","1","1") = "7"
    & skf18("3","8","5","2","3","2","1") = "7"
    & skf18("3","8","5","2","3","3","1") = "7"
    & skf18("3","8","5","2","3","4","1") = "7"
    & skf18("3","8","5","2","3","5","1") = "7"
    & skf18("3","8","5","2","3","6","1") = "7"
    & skf18("3","8","5","2","3","7","1") = "7"
    & skf18("3","8","5","2","3","8","1") = "7"
    & skf18("3","8","5","2","3","9","1") = "8"
    & skf18("3","8","5","2","3","10","1") = "9"
    & skf18("3","8","5","2","4","1","1") = "7"
    & skf18("3","8","5","2","4","2","1") = "7"
    & skf18("3","8","5","2","4","3","1") = "7"
    & skf18("3","8","5","2","4","4","1") = "7"
    & skf18("3","8","5","2","4","5","1") = "7"
    & skf18("3","8","5","2","4","6","1") = "7"
    & skf18("3","8","5","2","4","7","1") = "7"
    & skf18("3","8","5","2","4","8","1") = "7"
    & skf18("3","8","5","2","4","9","1") = "8"
    & skf18("3","8","5","2","4","10","1") = "9"
    & skf18("3","8","5","2","5","1","1") = "7"
    & skf18("3","8","5","2","5","2","1") = "7"
    & skf18("3","8","5","2","5","3","1") = "7"
    & skf18("3","8","5","2","5","4","1") = "7"
    & skf18("3","8","5","2","5","5","1") = "7"
    & skf18("3","8","5","2","5","6","1") = "7"
    & skf18("3","8","5","2","5","7","1") = "7"
    & skf18("3","8","5","2","5","8","1") = "7"
    & skf18("3","8","5","2","5","9","1") = "8"
    & skf18("3","8","5","2","5","10","1") = "9"
    & skf18("3","8","5","2","6","1","1") = "7"
    & skf18("3","8","5","2","6","2","1") = "7"
    & skf18("3","8","5","2","6","3","1") = "7"
    & skf18("3","8","5","2","6","4","1") = "7"
    & skf18("3","8","5","2","6","5","1") = "7"
    & skf18("3","8","5","2","6","6","1") = "7"
    & skf18("3","8","5","2","6","7","1") = "7"
    & skf18("3","8","5","2","6","8","1") = "7"
    & skf18("3","8","5","2","6","9","1") = "8"
    & skf18("3","8","5","2","6","10","1") = "9"
    & skf18("3","8","5","2","7","1","1") = "7"
    & skf18("3","8","5","2","7","2","1") = "7"
    & skf18("3","8","5","2","7","3","1") = "7"
    & skf18("3","8","5","2","7","4","1") = "7"
    & skf18("3","8","5","2","7","5","1") = "7"
    & skf18("3","8","5","2","7","6","1") = "7"
    & skf18("3","8","5","2","7","7","1") = "7"
    & skf18("3","8","5","2","7","8","1") = "7"
    & skf18("3","8","5","2","7","9","1") = "8"
    & skf18("3","8","5","2","7","10","1") = "9"
    & skf18("3","8","5","2","8","1","1") = "7"
    & skf18("3","8","5","2","8","2","1") = "7"
    & skf18("3","8","5","2","8","3","1") = "7"
    & skf18("3","8","5","2","8","4","1") = "7"
    & skf18("3","8","5","2","8","5","1") = "7"
    & skf18("3","8","5","2","8","6","1") = "7"
    & skf18("3","8","5","2","8","7","1") = "7"
    & skf18("3","8","5","2","8","8","1") = "7"
    & skf18("3","8","5","2","8","9","1") = "8"
    & skf18("3","8","5","2","8","10","1") = "9"
    & skf18("3","8","5","2","9","1","1") = "8"
    & skf18("3","8","5","2","9","2","1") = "8"
    & skf18("3","8","5","2","9","3","1") = "8"
    & skf18("3","8","5","2","9","4","1") = "8"
    & skf18("3","8","5","2","9","5","1") = "8"
    & skf18("3","8","5","2","9","6","1") = "8"
    & skf18("3","8","5","2","9","7","1") = "8"
    & skf18("3","8","5","2","9","8","1") = "8"
    & skf18("3","8","5","2","9","9","1") = "8"
    & skf18("3","8","5","2","9","10","1") = "9"
    & skf18("3","8","5","2","10","1","1") = "9"
    & skf18("3","8","5","2","10","2","1") = "9"
    & skf18("3","8","5","2","10","3","1") = "9"
    & skf18("3","8","5","2","10","4","1") = "9"
    & skf18("3","8","5","2","10","5","1") = "9"
    & skf18("3","8","5","2","10","6","1") = "9"
    & skf18("3","8","5","2","10","7","1") = "9"
    & skf18("3","8","5","2","10","8","1") = "9"
    & skf18("3","8","5","2","10","9","1") = "9"
    & skf18("3","8","5","2","10","10","1") = "9"
    & skf18("3","8","5","3","1","1","1") = "7"
    & skf18("3","8","5","3","1","2","1") = "7"
    & skf18("3","8","5","3","1","3","1") = "7"
    & skf18("3","8","5","3","1","4","1") = "7"
    & skf18("3","8","5","3","1","5","1") = "7"
    & skf18("3","8","5","3","1","6","1") = "7"
    & skf18("3","8","5","3","1","7","1") = "7"
    & skf18("3","8","5","3","1","8","1") = "7"
    & skf18("3","8","5","3","1","9","1") = "8"
    & skf18("3","8","5","3","1","10","1") = "9"
    & skf18("3","8","5","3","2","1","1") = "7"
    & skf18("3","8","5","3","2","2","1") = "7"
    & skf18("3","8","5","3","2","3","1") = "7"
    & skf18("3","8","5","3","2","4","1") = "7"
    & skf18("3","8","5","3","2","5","1") = "7"
    & skf18("3","8","5","3","2","6","1") = "7"
    & skf18("3","8","5","3","2","7","1") = "7"
    & skf18("3","8","5","3","2","8","1") = "7"
    & skf18("3","8","5","3","2","9","1") = "8"
    & skf18("3","8","5","3","2","10","1") = "9"
    & skf18("3","8","5","3","3","1","1") = "7"
    & skf18("3","8","5","3","3","2","1") = "7"
    & skf18("3","8","5","3","3","3","1") = "7"
    & skf18("3","8","5","3","3","4","1") = "7"
    & skf18("3","8","5","3","3","5","1") = "7"
    & skf18("3","8","5","3","3","6","1") = "7"
    & skf18("3","8","5","3","3","7","1") = "7"
    & skf18("3","8","5","3","3","8","1") = "7"
    & skf18("3","8","5","3","3","9","1") = "8"
    & skf18("3","8","5","3","3","10","1") = "9"
    & skf18("3","8","5","3","4","1","1") = "7"
    & skf18("3","8","5","3","4","2","1") = "7"
    & skf18("3","8","5","3","4","3","1") = "7"
    & skf18("3","8","5","3","4","4","1") = "7"
    & skf18("3","8","5","3","4","5","1") = "7"
    & skf18("3","8","5","3","4","6","1") = "7"
    & skf18("3","8","5","3","4","7","1") = "7"
    & skf18("3","8","5","3","4","8","1") = "7"
    & skf18("3","8","5","3","4","9","1") = "8"
    & skf18("3","8","5","3","4","10","1") = "9"
    & skf18("3","8","5","3","5","1","1") = "7"
    & skf18("3","8","5","3","5","2","1") = "7"
    & skf18("3","8","5","3","5","3","1") = "7"
    & skf18("3","8","5","3","5","4","1") = "7"
    & skf18("3","8","5","3","5","5","1") = "7"
    & skf18("3","8","5","3","5","6","1") = "7"
    & skf18("3","8","5","3","5","7","1") = "7"
    & skf18("3","8","5","3","5","8","1") = "7"
    & skf18("3","8","5","3","5","9","1") = "8"
    & skf18("3","8","5","3","5","10","1") = "9"
    & skf18("3","8","5","3","6","1","1") = "7"
    & skf18("3","8","5","3","6","2","1") = "7"
    & skf18("3","8","5","3","6","3","1") = "7"
    & skf18("3","8","5","3","6","4","1") = "7"
    & skf18("3","8","5","3","6","5","1") = "7"
    & skf18("3","8","5","3","6","6","1") = "7"
    & skf18("3","8","5","3","6","7","1") = "7"
    & skf18("3","8","5","3","6","8","1") = "7"
    & skf18("3","8","5","3","6","9","1") = "8"
    & skf18("3","8","5","3","6","10","1") = "9"
    & skf18("3","8","5","3","7","1","1") = "7"
    & skf18("3","8","5","3","7","2","1") = "7"
    & skf18("3","8","5","3","7","3","1") = "7"
    & skf18("3","8","5","3","7","4","1") = "7"
    & skf18("3","8","5","3","7","5","1") = "7"
    & skf18("3","8","5","3","7","6","1") = "7"
    & skf18("3","8","5","3","7","7","1") = "7"
    & skf18("3","8","5","3","7","8","1") = "7"
    & skf18("3","8","5","3","7","9","1") = "8"
    & skf18("3","8","5","3","7","10","1") = "9"
    & skf18("3","8","5","3","8","1","1") = "7"
    & skf18("3","8","5","3","8","2","1") = "7"
    & skf18("3","8","5","3","8","3","1") = "7"
    & skf18("3","8","5","3","8","4","1") = "7"
    & skf18("3","8","5","3","8","5","1") = "7"
    & skf18("3","8","5","3","8","6","1") = "7"
    & skf18("3","8","5","3","8","7","1") = "7"
    & skf18("3","8","5","3","8","8","1") = "7"
    & skf18("3","8","5","3","8","9","1") = "8"
    & skf18("3","8","5","3","8","10","1") = "9"
    & skf18("3","8","5","3","9","1","1") = "8"
    & skf18("3","8","5","3","9","2","1") = "8"
    & skf18("3","8","5","3","9","3","1") = "8"
    & skf18("3","8","5","3","9","4","1") = "8"
    & skf18("3","8","5","3","9","5","1") = "8"
    & skf18("3","8","5","3","9","6","1") = "8"
    & skf18("3","8","5","3","9","7","1") = "8"
    & skf18("3","8","5","3","9","8","1") = "8"
    & skf18("3","8","5","3","9","9","1") = "8"
    & skf18("3","8","5","3","9","10","1") = "9"
    & skf18("3","8","5","3","10","1","1") = "9"
    & skf18("3","8","5","3","10","2","1") = "9"
    & skf18("3","8","5","3","10","3","1") = "9"
    & skf18("3","8","5","3","10","4","1") = "9"
    & skf18("3","8","5","3","10","5","1") = "9"
    & skf18("3","8","5","3","10","6","1") = "9"
    & skf18("3","8","5","3","10","7","1") = "9"
    & skf18("3","8","5","3","10","8","1") = "9"
    & skf18("3","8","5","3","10","9","1") = "9"
    & skf18("3","8","5","3","10","10","1") = "9"
    & skf18("3","8","5","4","1","1","1") = "7"
    & skf18("3","8","5","4","1","2","1") = "7"
    & skf18("3","8","5","4","1","3","1") = "7"
    & skf18("3","8","5","4","1","4","1") = "7"
    & skf18("3","8","5","4","1","5","1") = "7"
    & skf18("3","8","5","4","1","6","1") = "7"
    & skf18("3","8","5","4","1","7","1") = "7"
    & skf18("3","8","5","4","1","8","1") = "7"
    & skf18("3","8","5","4","1","9","1") = "8"
    & skf18("3","8","5","4","1","10","1") = "9"
    & skf18("3","8","5","4","2","1","1") = "7"
    & skf18("3","8","5","4","2","2","1") = "7"
    & skf18("3","8","5","4","2","3","1") = "7"
    & skf18("3","8","5","4","2","4","1") = "7"
    & skf18("3","8","5","4","2","5","1") = "7"
    & skf18("3","8","5","4","2","6","1") = "7"
    & skf18("3","8","5","4","2","7","1") = "7"
    & skf18("3","8","5","4","2","8","1") = "7"
    & skf18("3","8","5","4","2","9","1") = "8"
    & skf18("3","8","5","4","2","10","1") = "9"
    & skf18("3","8","5","4","3","1","1") = "7"
    & skf18("3","8","5","4","3","2","1") = "7"
    & skf18("3","8","5","4","3","3","1") = "7"
    & skf18("3","8","5","4","3","4","1") = "7"
    & skf18("3","8","5","4","3","5","1") = "7"
    & skf18("3","8","5","4","3","6","1") = "7"
    & skf18("3","8","5","4","3","7","1") = "7"
    & skf18("3","8","5","4","3","8","1") = "7"
    & skf18("3","8","5","4","3","9","1") = "8"
    & skf18("3","8","5","4","3","10","1") = "9"
    & skf18("3","8","5","4","4","1","1") = "7"
    & skf18("3","8","5","4","4","2","1") = "7"
    & skf18("3","8","5","4","4","3","1") = "7"
    & skf18("3","8","5","4","4","4","1") = "7"
    & skf18("3","8","5","4","4","5","1") = "7"
    & skf18("3","8","5","4","4","6","1") = "7"
    & skf18("3","8","5","4","4","7","1") = "7"
    & skf18("3","8","5","4","4","8","1") = "7"
    & skf18("3","8","5","4","4","9","1") = "8"
    & skf18("3","8","5","4","4","10","1") = "9"
    & skf18("3","8","5","4","5","1","1") = "7"
    & skf18("3","8","5","4","5","2","1") = "7"
    & skf18("3","8","5","4","5","3","1") = "7"
    & skf18("3","8","5","4","5","4","1") = "7"
    & skf18("3","8","5","4","5","5","1") = "7"
    & skf18("3","8","5","4","5","6","1") = "7"
    & skf18("3","8","5","4","5","7","1") = "7"
    & skf18("3","8","5","4","5","8","1") = "7"
    & skf18("3","8","5","4","5","9","1") = "8"
    & skf18("3","8","5","4","5","10","1") = "9"
    & skf18("3","8","5","4","6","1","1") = "7"
    & skf18("3","8","5","4","6","2","1") = "7"
    & skf18("3","8","5","4","6","3","1") = "7"
    & skf18("3","8","5","4","6","4","1") = "7"
    & skf18("3","8","5","4","6","5","1") = "7"
    & skf18("3","8","5","4","6","6","1") = "7"
    & skf18("3","8","5","4","6","7","1") = "7"
    & skf18("3","8","5","4","6","8","1") = "7"
    & skf18("3","8","5","4","6","9","1") = "8"
    & skf18("3","8","5","4","6","10","1") = "9"
    & skf18("3","8","5","4","7","1","1") = "7"
    & skf18("3","8","5","4","7","2","1") = "7"
    & skf18("3","8","5","4","7","3","1") = "7"
    & skf18("3","8","5","4","7","4","1") = "7"
    & skf18("3","8","5","4","7","5","1") = "7"
    & skf18("3","8","5","4","7","6","1") = "7"
    & skf18("3","8","5","4","7","7","1") = "7"
    & skf18("3","8","5","4","7","8","1") = "7"
    & skf18("3","8","5","4","7","9","1") = "8"
    & skf18("3","8","5","4","7","10","1") = "9"
    & skf18("3","8","5","4","8","1","1") = "7"
    & skf18("3","8","5","4","8","2","1") = "7"
    & skf18("3","8","5","4","8","3","1") = "7"
    & skf18("3","8","5","4","8","4","1") = "7"
    & skf18("3","8","5","4","8","5","1") = "7"
    & skf18("3","8","5","4","8","6","1") = "7"
    & skf18("3","8","5","4","8","7","1") = "7"
    & skf18("3","8","5","4","8","8","1") = "7"
    & skf18("3","8","5","4","8","9","1") = "8"
    & skf18("3","8","5","4","8","10","1") = "9"
    & skf18("3","8","5","4","9","1","1") = "8"
    & skf18("3","8","5","4","9","2","1") = "8"
    & skf18("3","8","5","4","9","3","1") = "8"
    & skf18("3","8","5","4","9","4","1") = "8"
    & skf18("3","8","5","4","9","5","1") = "8"
    & skf18("3","8","5","4","9","6","1") = "8"
    & skf18("3","8","5","4","9","7","1") = "8"
    & skf18("3","8","5","4","9","8","1") = "8"
    & skf18("3","8","5","4","9","9","1") = "8"
    & skf18("3","8","5","4","9","10","1") = "9"
    & skf18("3","8","5","4","10","1","1") = "9"
    & skf18("3","8","5","4","10","2","1") = "9"
    & skf18("3","8","5","4","10","3","1") = "9"
    & skf18("3","8","5","4","10","4","1") = "9"
    & skf18("3","8","5","4","10","5","1") = "9"
    & skf18("3","8","5","4","10","6","1") = "9"
    & skf18("3","8","5","4","10","7","1") = "9"
    & skf18("3","8","5","4","10","8","1") = "9"
    & skf18("3","8","5","4","10","9","1") = "9"
    & skf18("3","8","5","4","10","10","1") = "9"
    & skf18("3","8","5","5","1","1","1") = "7"
    & skf18("3","8","5","5","1","2","1") = "7"
    & skf18("3","8","5","5","1","3","1") = "7"
    & skf18("3","8","5","5","1","4","1") = "7"
    & skf18("3","8","5","5","1","5","1") = "7"
    & skf18("3","8","5","5","1","6","1") = "7"
    & skf18("3","8","5","5","1","7","1") = "7"
    & skf18("3","8","5","5","1","8","1") = "7"
    & skf18("3","8","5","5","1","9","1") = "8"
    & skf18("3","8","5","5","1","10","1") = "9"
    & skf18("3","8","5","5","2","1","1") = "7"
    & skf18("3","8","5","5","2","2","1") = "7"
    & skf18("3","8","5","5","2","3","1") = "7"
    & skf18("3","8","5","5","2","4","1") = "7"
    & skf18("3","8","5","5","2","5","1") = "7"
    & skf18("3","8","5","5","2","6","1") = "7"
    & skf18("3","8","5","5","2","7","1") = "7"
    & skf18("3","8","5","5","2","8","1") = "7"
    & skf18("3","8","5","5","2","9","1") = "8"
    & skf18("3","8","5","5","2","10","1") = "9"
    & skf18("3","8","5","5","3","1","1") = "7"
    & skf18("3","8","5","5","3","2","1") = "7"
    & skf18("3","8","5","5","3","3","1") = "7"
    & skf18("3","8","5","5","3","4","1") = "7"
    & skf18("3","8","5","5","3","5","1") = "7"
    & skf18("3","8","5","5","3","6","1") = "7"
    & skf18("3","8","5","5","3","7","1") = "7"
    & skf18("3","8","5","5","3","8","1") = "7"
    & skf18("3","8","5","5","3","9","1") = "8"
    & skf18("3","8","5","5","3","10","1") = "9"
    & skf18("3","8","5","5","4","1","1") = "7"
    & skf18("3","8","5","5","4","2","1") = "7"
    & skf18("3","8","5","5","4","3","1") = "7"
    & skf18("3","8","5","5","4","4","1") = "7"
    & skf18("3","8","5","5","4","5","1") = "7"
    & skf18("3","8","5","5","4","6","1") = "7"
    & skf18("3","8","5","5","4","7","1") = "7"
    & skf18("3","8","5","5","4","8","1") = "7"
    & skf18("3","8","5","5","4","9","1") = "8"
    & skf18("3","8","5","5","4","10","1") = "9"
    & skf18("3","8","5","5","5","1","1") = "7"
    & skf18("3","8","5","5","5","2","1") = "7"
    & skf18("3","8","5","5","5","3","1") = "7"
    & skf18("3","8","5","5","5","4","1") = "7"
    & skf18("3","8","5","5","5","5","1") = "7"
    & skf18("3","8","5","5","5","6","1") = "7"
    & skf18("3","8","5","5","5","7","1") = "7"
    & skf18("3","8","5","5","5","8","1") = "7"
    & skf18("3","8","5","5","5","9","1") = "8"
    & skf18("3","8","5","5","5","10","1") = "9"
    & skf18("3","8","5","5","6","1","1") = "7"
    & skf18("3","8","5","5","6","2","1") = "7"
    & skf18("3","8","5","5","6","3","1") = "7"
    & skf18("3","8","5","5","6","4","1") = "7"
    & skf18("3","8","5","5","6","5","1") = "7"
    & skf18("3","8","5","5","6","6","1") = "7"
    & skf18("3","8","5","5","6","7","1") = "7"
    & skf18("3","8","5","5","6","8","1") = "7"
    & skf18("3","8","5","5","6","9","1") = "8"
    & skf18("3","8","5","5","6","10","1") = "9"
    & skf18("3","8","5","5","7","1","1") = "7"
    & skf18("3","8","5","5","7","2","1") = "7"
    & skf18("3","8","5","5","7","3","1") = "7"
    & skf18("3","8","5","5","7","4","1") = "7"
    & skf18("3","8","5","5","7","5","1") = "7"
    & skf18("3","8","5","5","7","6","1") = "7"
    & skf18("3","8","5","5","7","7","1") = "7"
    & skf18("3","8","5","5","7","8","1") = "7"
    & skf18("3","8","5","5","7","9","1") = "8"
    & skf18("3","8","5","5","7","10","1") = "9"
    & skf18("3","8","5","5","8","1","1") = "7"
    & skf18("3","8","5","5","8","2","1") = "7"
    & skf18("3","8","5","5","8","3","1") = "7"
    & skf18("3","8","5","5","8","4","1") = "7"
    & skf18("3","8","5","5","8","5","1") = "7"
    & skf18("3","8","5","5","8","6","1") = "7"
    & skf18("3","8","5","5","8","7","1") = "7"
    & skf18("3","8","5","5","8","8","1") = "7"
    & skf18("3","8","5","5","8","9","1") = "8"
    & skf18("3","8","5","5","8","10","1") = "9"
    & skf18("3","8","5","5","9","1","1") = "8"
    & skf18("3","8","5","5","9","2","1") = "8"
    & skf18("3","8","5","5","9","3","1") = "8"
    & skf18("3","8","5","5","9","4","1") = "8"
    & skf18("3","8","5","5","9","5","1") = "8"
    & skf18("3","8","5","5","9","6","1") = "8"
    & skf18("3","8","5","5","9","7","1") = "8"
    & skf18("3","8","5","5","9","8","1") = "8"
    & skf18("3","8","5","5","9","9","1") = "8"
    & skf18("3","8","5","5","9","10","1") = "9"
    & skf18("3","8","5","5","10","1","1") = "9"
    & skf18("3","8","5","5","10","2","1") = "9"
    & skf18("3","8","5","5","10","3","1") = "9"
    & skf18("3","8","5","5","10","4","1") = "9"
    & skf18("3","8","5","5","10","5","1") = "9"
    & skf18("3","8","5","5","10","6","1") = "9"
    & skf18("3","8","5","5","10","7","1") = "9"
    & skf18("3","8","5","5","10","8","1") = "9"
    & skf18("3","8","5","5","10","9","1") = "9"
    & skf18("3","8","5","5","10","10","1") = "9"
    & skf18("3","8","5","6","1","1","1") = "7"
    & skf18("3","8","5","6","1","2","1") = "7"
    & skf18("3","8","5","6","1","3","1") = "7"
    & skf18("3","8","5","6","1","4","1") = "7"
    & skf18("3","8","5","6","1","5","1") = "7"
    & skf18("3","8","5","6","1","6","1") = "7"
    & skf18("3","8","5","6","1","7","1") = "7"
    & skf18("3","8","5","6","1","8","1") = "7"
    & skf18("3","8","5","6","1","9","1") = "8"
    & skf18("3","8","5","6","1","10","1") = "9"
    & skf18("3","8","5","6","2","1","1") = "7"
    & skf18("3","8","5","6","2","2","1") = "7"
    & skf18("3","8","5","6","2","3","1") = "7"
    & skf18("3","8","5","6","2","4","1") = "7"
    & skf18("3","8","5","6","2","5","1") = "7"
    & skf18("3","8","5","6","2","6","1") = "7"
    & skf18("3","8","5","6","2","7","1") = "7"
    & skf18("3","8","5","6","2","8","1") = "7"
    & skf18("3","8","5","6","2","9","1") = "8"
    & skf18("3","8","5","6","2","10","1") = "9"
    & skf18("3","8","5","6","3","1","1") = "7"
    & skf18("3","8","5","6","3","2","1") = "7"
    & skf18("3","8","5","6","3","3","1") = "7"
    & skf18("3","8","5","6","3","4","1") = "7"
    & skf18("3","8","5","6","3","5","1") = "7"
    & skf18("3","8","5","6","3","6","1") = "7"
    & skf18("3","8","5","6","3","7","1") = "7"
    & skf18("3","8","5","6","3","8","1") = "7"
    & skf18("3","8","5","6","3","9","1") = "8"
    & skf18("3","8","5","6","3","10","1") = "9"
    & skf18("3","8","5","6","4","1","1") = "7"
    & skf18("3","8","5","6","4","2","1") = "7"
    & skf18("3","8","5","6","4","3","1") = "7"
    & skf18("3","8","5","6","4","4","1") = "7"
    & skf18("3","8","5","6","4","5","1") = "7"
    & skf18("3","8","5","6","4","6","1") = "7"
    & skf18("3","8","5","6","4","7","1") = "7"
    & skf18("3","8","5","6","4","8","1") = "7"
    & skf18("3","8","5","6","4","9","1") = "8"
    & skf18("3","8","5","6","4","10","1") = "9"
    & skf18("3","8","5","6","5","1","1") = "7"
    & skf18("3","8","5","6","5","2","1") = "7"
    & skf18("3","8","5","6","5","3","1") = "7"
    & skf18("3","8","5","6","5","4","1") = "7"
    & skf18("3","8","5","6","5","5","1") = "7"
    & skf18("3","8","5","6","5","6","1") = "7"
    & skf18("3","8","5","6","5","7","1") = "7"
    & skf18("3","8","5","6","5","8","1") = "7"
    & skf18("3","8","5","6","5","9","1") = "8"
    & skf18("3","8","5","6","5","10","1") = "9"
    & skf18("3","8","5","6","6","1","1") = "7"
    & skf18("3","8","5","6","6","2","1") = "7"
    & skf18("3","8","5","6","6","3","1") = "7"
    & skf18("3","8","5","6","6","4","1") = "7"
    & skf18("3","8","5","6","6","5","1") = "7"
    & skf18("3","8","5","6","6","6","1") = "7"
    & skf18("3","8","5","6","6","7","1") = "7"
    & skf18("3","8","5","6","6","8","1") = "7"
    & skf18("3","8","5","6","6","9","1") = "8"
    & skf18("3","8","5","6","6","10","1") = "9"
    & skf18("3","8","5","6","7","1","1") = "7"
    & skf18("3","8","5","6","7","2","1") = "7"
    & skf18("3","8","5","6","7","3","1") = "7"
    & skf18("3","8","5","6","7","4","1") = "7"
    & skf18("3","8","5","6","7","5","1") = "7"
    & skf18("3","8","5","6","7","6","1") = "7"
    & skf18("3","8","5","6","7","7","1") = "7"
    & skf18("3","8","5","6","7","8","1") = "7"
    & skf18("3","8","5","6","7","9","1") = "8"
    & skf18("3","8","5","6","7","10","1") = "9"
    & skf18("3","8","5","6","8","1","1") = "7"
    & skf18("3","8","5","6","8","2","1") = "7"
    & skf18("3","8","5","6","8","3","1") = "7"
    & skf18("3","8","5","6","8","4","1") = "7"
    & skf18("3","8","5","6","8","5","1") = "7"
    & skf18("3","8","5","6","8","6","1") = "7"
    & skf18("3","8","5","6","8","7","1") = "7"
    & skf18("3","8","5","6","8","8","1") = "7"
    & skf18("3","8","5","6","8","9","1") = "8"
    & skf18("3","8","5","6","8","10","1") = "9"
    & skf18("3","8","5","6","9","1","1") = "8"
    & skf18("3","8","5","6","9","2","1") = "8"
    & skf18("3","8","5","6","9","3","1") = "8"
    & skf18("3","8","5","6","9","4","1") = "8"
    & skf18("3","8","5","6","9","5","1") = "8"
    & skf18("3","8","5","6","9","6","1") = "8"
    & skf18("3","8","5","6","9","7","1") = "8"
    & skf18("3","8","5","6","9","8","1") = "8"
    & skf18("3","8","5","6","9","9","1") = "8"
    & skf18("3","8","5","6","9","10","1") = "9"
    & skf18("3","8","5","6","10","1","1") = "9"
    & skf18("3","8","5","6","10","2","1") = "9"
    & skf18("3","8","5","6","10","3","1") = "9"
    & skf18("3","8","5","6","10","4","1") = "9"
    & skf18("3","8","5","6","10","5","1") = "9"
    & skf18("3","8","5","6","10","6","1") = "9"
    & skf18("3","8","5","6","10","7","1") = "9"
    & skf18("3","8","5","6","10","8","1") = "9"
    & skf18("3","8","5","6","10","9","1") = "9"
    & skf18("3","8","5","6","10","10","1") = "9"
    & skf18("3","8","5","7","1","1","1") = "7"
    & skf18("3","8","5","7","1","2","1") = "7"
    & skf18("3","8","5","7","1","3","1") = "7"
    & skf18("3","8","5","7","1","4","1") = "7"
    & skf18("3","8","5","7","1","5","1") = "7"
    & skf18("3","8","5","7","1","6","1") = "7"
    & skf18("3","8","5","7","1","7","1") = "7"
    & skf18("3","8","5","7","1","8","1") = "7"
    & skf18("3","8","5","7","1","9","1") = "8"
    & skf18("3","8","5","7","1","10","1") = "9"
    & skf18("3","8","5","7","2","1","1") = "7"
    & skf18("3","8","5","7","2","2","1") = "7"
    & skf18("3","8","5","7","2","3","1") = "7"
    & skf18("3","8","5","7","2","4","1") = "7"
    & skf18("3","8","5","7","2","5","1") = "7"
    & skf18("3","8","5","7","2","6","1") = "7"
    & skf18("3","8","5","7","2","7","1") = "7"
    & skf18("3","8","5","7","2","8","1") = "7"
    & skf18("3","8","5","7","2","9","1") = "8"
    & skf18("3","8","5","7","2","10","1") = "9"
    & skf18("3","8","5","7","3","1","1") = "7"
    & skf18("3","8","5","7","3","2","1") = "7"
    & skf18("3","8","5","7","3","3","1") = "7"
    & skf18("3","8","5","7","3","4","1") = "7"
    & skf18("3","8","5","7","3","5","1") = "7"
    & skf18("3","8","5","7","3","6","1") = "7"
    & skf18("3","8","5","7","3","7","1") = "7"
    & skf18("3","8","5","7","3","8","1") = "7"
    & skf18("3","8","5","7","3","9","1") = "8"
    & skf18("3","8","5","7","3","10","1") = "9"
    & skf18("3","8","5","7","4","1","1") = "7"
    & skf18("3","8","5","7","4","2","1") = "7"
    & skf18("3","8","5","7","4","3","1") = "7"
    & skf18("3","8","5","7","4","4","1") = "7"
    & skf18("3","8","5","7","4","5","1") = "7"
    & skf18("3","8","5","7","4","6","1") = "7"
    & skf18("3","8","5","7","4","7","1") = "7"
    & skf18("3","8","5","7","4","8","1") = "7"
    & skf18("3","8","5","7","4","9","1") = "8"
    & skf18("3","8","5","7","4","10","1") = "9"
    & skf18("3","8","5","7","5","1","1") = "7"
    & skf18("3","8","5","7","5","2","1") = "7"
    & skf18("3","8","5","7","5","3","1") = "7"
    & skf18("3","8","5","7","5","4","1") = "7"
    & skf18("3","8","5","7","5","5","1") = "7"
    & skf18("3","8","5","7","5","6","1") = "7"
    & skf18("3","8","5","7","5","7","1") = "7"
    & skf18("3","8","5","7","5","8","1") = "7"
    & skf18("3","8","5","7","5","9","1") = "8"
    & skf18("3","8","5","7","5","10","1") = "9"
    & skf18("3","8","5","7","6","1","1") = "7"
    & skf18("3","8","5","7","6","2","1") = "7"
    & skf18("3","8","5","7","6","3","1") = "7"
    & skf18("3","8","5","7","6","4","1") = "7"
    & skf18("3","8","5","7","6","5","1") = "7"
    & skf18("3","8","5","7","6","6","1") = "7"
    & skf18("3","8","5","7","6","7","1") = "7"
    & skf18("3","8","5","7","6","8","1") = "7"
    & skf18("3","8","5","7","6","9","1") = "8"
    & skf18("3","8","5","7","6","10","1") = "9"
    & skf18("3","8","5","7","7","1","1") = "7"
    & skf18("3","8","5","7","7","2","1") = "7"
    & skf18("3","8","5","7","7","3","1") = "7"
    & skf18("3","8","5","7","7","4","1") = "7"
    & skf18("3","8","5","7","7","5","1") = "7"
    & skf18("3","8","5","7","7","6","1") = "7"
    & skf18("3","8","5","7","7","7","1") = "7"
    & skf18("3","8","5","7","7","8","1") = "7"
    & skf18("3","8","5","7","7","9","1") = "8"
    & skf18("3","8","5","7","7","10","1") = "9"
    & skf18("3","8","5","7","8","1","1") = "7"
    & skf18("3","8","5","7","8","2","1") = "7"
    & skf18("3","8","5","7","8","3","1") = "7"
    & skf18("3","8","5","7","8","4","1") = "7"
    & skf18("3","8","5","7","8","5","1") = "7"
    & skf18("3","8","5","7","8","6","1") = "7"
    & skf18("3","8","5","7","8","7","1") = "7"
    & skf18("3","8","5","7","8","8","1") = "7"
    & skf18("3","8","5","7","8","9","1") = "8"
    & skf18("3","8","5","7","8","10","1") = "9"
    & skf18("3","8","5","7","9","1","1") = "8"
    & skf18("3","8","5","7","9","2","1") = "8"
    & skf18("3","8","5","7","9","3","1") = "8"
    & skf18("3","8","5","7","9","4","1") = "8"
    & skf18("3","8","5","7","9","5","1") = "8"
    & skf18("3","8","5","7","9","6","1") = "8"
    & skf18("3","8","5","7","9","7","1") = "8"
    & skf18("3","8","5","7","9","8","1") = "8"
    & skf18("3","8","5","7","9","9","1") = "8"
    & skf18("3","8","5","7","9","10","1") = "9"
    & skf18("3","8","5","7","10","1","1") = "9"
    & skf18("3","8","5","7","10","2","1") = "9"
    & skf18("3","8","5","7","10","3","1") = "9"
    & skf18("3","8","5","7","10","4","1") = "9"
    & skf18("3","8","5","7","10","5","1") = "9"
    & skf18("3","8","5","7","10","6","1") = "9"
    & skf18("3","8","5","7","10","7","1") = "9"
    & skf18("3","8","5","7","10","8","1") = "9"
    & skf18("3","8","5","7","10","9","1") = "9"
    & skf18("3","8","5","7","10","10","1") = "9"
    & skf18("3","8","5","8","1","1","1") = "7"
    & skf18("3","8","5","8","1","2","1") = "7"
    & skf18("3","8","5","8","1","3","1") = "7"
    & skf18("3","8","5","8","1","4","1") = "7"
    & skf18("3","8","5","8","1","5","1") = "7"
    & skf18("3","8","5","8","1","6","1") = "7"
    & skf18("3","8","5","8","1","7","1") = "7"
    & skf18("3","8","5","8","1","8","1") = "7"
    & skf18("3","8","5","8","1","9","1") = "8"
    & skf18("3","8","5","8","1","10","1") = "9"
    & skf18("3","8","5","8","2","1","1") = "7"
    & skf18("3","8","5","8","2","2","1") = "7"
    & skf18("3","8","5","8","2","3","1") = "7"
    & skf18("3","8","5","8","2","4","1") = "7"
    & skf18("3","8","5","8","2","5","1") = "7"
    & skf18("3","8","5","8","2","6","1") = "7"
    & skf18("3","8","5","8","2","7","1") = "7"
    & skf18("3","8","5","8","2","8","1") = "7"
    & skf18("3","8","5","8","2","9","1") = "8"
    & skf18("3","8","5","8","2","10","1") = "9"
    & skf18("3","8","5","8","3","1","1") = "7"
    & skf18("3","8","5","8","3","2","1") = "7"
    & skf18("3","8","5","8","3","3","1") = "7"
    & skf18("3","8","5","8","3","4","1") = "7"
    & skf18("3","8","5","8","3","5","1") = "7"
    & skf18("3","8","5","8","3","6","1") = "7"
    & skf18("3","8","5","8","3","7","1") = "7"
    & skf18("3","8","5","8","3","8","1") = "7"
    & skf18("3","8","5","8","3","9","1") = "8"
    & skf18("3","8","5","8","3","10","1") = "9"
    & skf18("3","8","5","8","4","1","1") = "7"
    & skf18("3","8","5","8","4","2","1") = "7"
    & skf18("3","8","5","8","4","3","1") = "7"
    & skf18("3","8","5","8","4","4","1") = "7"
    & skf18("3","8","5","8","4","5","1") = "7"
    & skf18("3","8","5","8","4","6","1") = "7"
    & skf18("3","8","5","8","4","7","1") = "7"
    & skf18("3","8","5","8","4","8","1") = "7"
    & skf18("3","8","5","8","4","9","1") = "8"
    & skf18("3","8","5","8","4","10","1") = "9"
    & skf18("3","8","5","8","5","1","1") = "7"
    & skf18("3","8","5","8","5","2","1") = "7"
    & skf18("3","8","5","8","5","3","1") = "7"
    & skf18("3","8","5","8","5","4","1") = "7"
    & skf18("3","8","5","8","5","5","1") = "7"
    & skf18("3","8","5","8","5","6","1") = "7"
    & skf18("3","8","5","8","5","7","1") = "7"
    & skf18("3","8","5","8","5","8","1") = "7"
    & skf18("3","8","5","8","5","9","1") = "8"
    & skf18("3","8","5","8","5","10","1") = "9"
    & skf18("3","8","5","8","6","1","1") = "7"
    & skf18("3","8","5","8","6","2","1") = "7"
    & skf18("3","8","5","8","6","3","1") = "7"
    & skf18("3","8","5","8","6","4","1") = "7"
    & skf18("3","8","5","8","6","5","1") = "7"
    & skf18("3","8","5","8","6","6","1") = "7"
    & skf18("3","8","5","8","6","7","1") = "7"
    & skf18("3","8","5","8","6","8","1") = "7"
    & skf18("3","8","5","8","6","9","1") = "8"
    & skf18("3","8","5","8","6","10","1") = "9"
    & skf18("3","8","5","8","7","1","1") = "7"
    & skf18("3","8","5","8","7","2","1") = "7"
    & skf18("3","8","5","8","7","3","1") = "7"
    & skf18("3","8","5","8","7","4","1") = "7"
    & skf18("3","8","5","8","7","5","1") = "7"
    & skf18("3","8","5","8","7","6","1") = "7"
    & skf18("3","8","5","8","7","7","1") = "7"
    & skf18("3","8","5","8","7","8","1") = "7"
    & skf18("3","8","5","8","7","9","1") = "8"
    & skf18("3","8","5","8","7","10","1") = "9"
    & skf18("3","8","5","8","8","1","1") = "7"
    & skf18("3","8","5","8","8","2","1") = "7"
    & skf18("3","8","5","8","8","3","1") = "7"
    & skf18("3","8","5","8","8","4","1") = "7"
    & skf18("3","8","5","8","8","5","1") = "7"
    & skf18("3","8","5","8","8","6","1") = "7"
    & skf18("3","8","5","8","8","7","1") = "7"
    & skf18("3","8","5","8","8","8","1") = "7"
    & skf18("3","8","5","8","8","9","1") = "8"
    & skf18("3","8","5","8","8","10","1") = "9"
    & skf18("3","8","5","8","9","1","1") = "8"
    & skf18("3","8","5","8","9","2","1") = "8"
    & skf18("3","8","5","8","9","3","1") = "8"
    & skf18("3","8","5","8","9","4","1") = "8"
    & skf18("3","8","5","8","9","5","1") = "8"
    & skf18("3","8","5","8","9","6","1") = "8"
    & skf18("3","8","5","8","9","7","1") = "8"
    & skf18("3","8","5","8","9","8","1") = "8"
    & skf18("3","8","5","8","9","9","1") = "8"
    & skf18("3","8","5","8","9","10","1") = "9"
    & skf18("3","8","5","8","10","1","1") = "9"
    & skf18("3","8","5","8","10","2","1") = "9"
    & skf18("3","8","5","8","10","3","1") = "9"
    & skf18("3","8","5","8","10","4","1") = "9"
    & skf18("3","8","5","8","10","5","1") = "9"
    & skf18("3","8","5","8","10","6","1") = "9"
    & skf18("3","8","5","8","10","7","1") = "9"
    & skf18("3","8","5","8","10","8","1") = "9"
    & skf18("3","8","5","8","10","9","1") = "9"
    & skf18("3","8","5","8","10","10","1") = "9"
    & skf18("3","8","5","9","1","1","1") = "8"
    & skf18("3","8","5","9","1","2","1") = "8"
    & skf18("3","8","5","9","1","3","1") = "8"
    & skf18("3","8","5","9","1","4","1") = "8"
    & skf18("3","8","5","9","1","5","1") = "8"
    & skf18("3","8","5","9","1","6","1") = "8"
    & skf18("3","8","5","9","1","7","1") = "8"
    & skf18("3","8","5","9","1","8","1") = "8"
    & skf18("3","8","5","9","1","9","1") = "8"
    & skf18("3","8","5","9","1","10","1") = "9"
    & skf18("3","8","5","9","2","1","1") = "8"
    & skf18("3","8","5","9","2","2","1") = "8"
    & skf18("3","8","5","9","2","3","1") = "8"
    & skf18("3","8","5","9","2","4","1") = "8"
    & skf18("3","8","5","9","2","5","1") = "8"
    & skf18("3","8","5","9","2","6","1") = "8"
    & skf18("3","8","5","9","2","7","1") = "8"
    & skf18("3","8","5","9","2","8","1") = "8"
    & skf18("3","8","5","9","2","9","1") = "8"
    & skf18("3","8","5","9","2","10","1") = "9"
    & skf18("3","8","5","9","3","1","1") = "8"
    & skf18("3","8","5","9","3","2","1") = "8"
    & skf18("3","8","5","9","3","3","1") = "8"
    & skf18("3","8","5","9","3","4","1") = "8"
    & skf18("3","8","5","9","3","5","1") = "8"
    & skf18("3","8","5","9","3","6","1") = "8"
    & skf18("3","8","5","9","3","7","1") = "8"
    & skf18("3","8","5","9","3","8","1") = "8"
    & skf18("3","8","5","9","3","9","1") = "8"
    & skf18("3","8","5","9","3","10","1") = "9"
    & skf18("3","8","5","9","4","1","1") = "8"
    & skf18("3","8","5","9","4","2","1") = "8"
    & skf18("3","8","5","9","4","3","1") = "8"
    & skf18("3","8","5","9","4","4","1") = "8"
    & skf18("3","8","5","9","4","5","1") = "8"
    & skf18("3","8","5","9","4","6","1") = "8"
    & skf18("3","8","5","9","4","7","1") = "8"
    & skf18("3","8","5","9","4","8","1") = "8"
    & skf18("3","8","5","9","4","9","1") = "8"
    & skf18("3","8","5","9","4","10","1") = "9"
    & skf18("3","8","5","9","5","1","1") = "8"
    & skf18("3","8","5","9","5","2","1") = "8"
    & skf18("3","8","5","9","5","3","1") = "8"
    & skf18("3","8","5","9","5","4","1") = "8"
    & skf18("3","8","5","9","5","5","1") = "8"
    & skf18("3","8","5","9","5","6","1") = "8"
    & skf18("3","8","5","9","5","7","1") = "8"
    & skf18("3","8","5","9","5","8","1") = "8"
    & skf18("3","8","5","9","5","9","1") = "8"
    & skf18("3","8","5","9","5","10","1") = "9"
    & skf18("3","8","5","9","6","1","1") = "8"
    & skf18("3","8","5","9","6","2","1") = "8"
    & skf18("3","8","5","9","6","3","1") = "8"
    & skf18("3","8","5","9","6","4","1") = "8"
    & skf18("3","8","5","9","6","5","1") = "8"
    & skf18("3","8","5","9","6","6","1") = "8"
    & skf18("3","8","5","9","6","7","1") = "8"
    & skf18("3","8","5","9","6","8","1") = "8"
    & skf18("3","8","5","9","6","9","1") = "8"
    & skf18("3","8","5","9","6","10","1") = "9"
    & skf18("3","8","5","9","7","1","1") = "8"
    & skf18("3","8","5","9","7","2","1") = "8"
    & skf18("3","8","5","9","7","3","1") = "8"
    & skf18("3","8","5","9","7","4","1") = "8"
    & skf18("3","8","5","9","7","5","1") = "8"
    & skf18("3","8","5","9","7","6","1") = "8"
    & skf18("3","8","5","9","7","7","1") = "8"
    & skf18("3","8","5","9","7","8","1") = "8"
    & skf18("3","8","5","9","7","9","1") = "8"
    & skf18("3","8","5","9","7","10","1") = "9"
    & skf18("3","8","5","9","8","1","1") = "8"
    & skf18("3","8","5","9","8","2","1") = "8"
    & skf18("3","8","5","9","8","3","1") = "8"
    & skf18("3","8","5","9","8","4","1") = "8"
    & skf18("3","8","5","9","8","5","1") = "8"
    & skf18("3","8","5","9","8","6","1") = "8"
    & skf18("3","8","5","9","8","7","1") = "8"
    & skf18("3","8","5","9","8","8","1") = "8"
    & skf18("3","8","5","9","8","9","1") = "8"
    & skf18("3","8","5","9","8","10","1") = "9"
    & skf18("3","8","5","9","9","1","1") = "8"
    & skf18("3","8","5","9","9","2","1") = "8"
    & skf18("3","8","5","9","9","3","1") = "8"
    & skf18("3","8","5","9","9","4","1") = "8"
    & skf18("3","8","5","9","9","5","1") = "8"
    & skf18("3","8","5","9","9","6","1") = "8"
    & skf18("3","8","5","9","9","7","1") = "8"
    & skf18("3","8","5","9","9","8","1") = "8"
    & skf18("3","8","5","9","9","9","1") = "8"
    & skf18("3","8","5","9","9","10","1") = "9"
    & skf18("3","8","5","9","10","1","1") = "9"
    & skf18("3","8","5","9","10","2","1") = "9"
    & skf18("3","8","5","9","10","3","1") = "9"
    & skf18("3","8","5","9","10","4","1") = "9"
    & skf18("3","8","5","9","10","5","1") = "9"
    & skf18("3","8","5","9","10","6","1") = "9"
    & skf18("3","8","5","9","10","7","1") = "9"
    & skf18("3","8","5","9","10","8","1") = "9"
    & skf18("3","8","5","9","10","9","1") = "9"
    & skf18("3","8","5","9","10","10","1") = "9"
    & skf18("3","8","5","10","1","1","1") = "9"
    & skf18("3","8","5","10","1","2","1") = "9"
    & skf18("3","8","5","10","1","3","1") = "9"
    & skf18("3","8","5","10","1","4","1") = "9"
    & skf18("3","8","5","10","1","5","1") = "9"
    & skf18("3","8","5","10","1","6","1") = "9"
    & skf18("3","8","5","10","1","7","1") = "9"
    & skf18("3","8","5","10","1","8","1") = "9"
    & skf18("3","8","5","10","1","9","1") = "9"
    & skf18("3","8","5","10","1","10","1") = "9"
    & skf18("3","8","5","10","2","1","1") = "9"
    & skf18("3","8","5","10","2","2","1") = "9"
    & skf18("3","8","5","10","2","3","1") = "9"
    & skf18("3","8","5","10","2","4","1") = "9"
    & skf18("3","8","5","10","2","5","1") = "9"
    & skf18("3","8","5","10","2","6","1") = "9"
    & skf18("3","8","5","10","2","7","1") = "9"
    & skf18("3","8","5","10","2","8","1") = "9"
    & skf18("3","8","5","10","2","9","1") = "9"
    & skf18("3","8","5","10","2","10","1") = "9"
    & skf18("3","8","5","10","3","1","1") = "9"
    & skf18("3","8","5","10","3","2","1") = "9"
    & skf18("3","8","5","10","3","3","1") = "9"
    & skf18("3","8","5","10","3","4","1") = "9"
    & skf18("3","8","5","10","3","5","1") = "9"
    & skf18("3","8","5","10","3","6","1") = "9"
    & skf18("3","8","5","10","3","7","1") = "9"
    & skf18("3","8","5","10","3","8","1") = "9"
    & skf18("3","8","5","10","3","9","1") = "9"
    & skf18("3","8","5","10","3","10","1") = "9"
    & skf18("3","8","5","10","4","1","1") = "9"
    & skf18("3","8","5","10","4","2","1") = "9"
    & skf18("3","8","5","10","4","3","1") = "9"
    & skf18("3","8","5","10","4","4","1") = "9"
    & skf18("3","8","5","10","4","5","1") = "9"
    & skf18("3","8","5","10","4","6","1") = "9"
    & skf18("3","8","5","10","4","7","1") = "9"
    & skf18("3","8","5","10","4","8","1") = "9"
    & skf18("3","8","5","10","4","9","1") = "9"
    & skf18("3","8","5","10","4","10","1") = "9"
    & skf18("3","8","5","10","5","1","1") = "9"
    & skf18("3","8","5","10","5","2","1") = "9"
    & skf18("3","8","5","10","5","3","1") = "9"
    & skf18("3","8","5","10","5","4","1") = "9"
    & skf18("3","8","5","10","5","5","1") = "9"
    & skf18("3","8","5","10","5","6","1") = "9"
    & skf18("3","8","5","10","5","7","1") = "9"
    & skf18("3","8","5","10","5","8","1") = "9"
    & skf18("3","8","5","10","5","9","1") = "9"
    & skf18("3","8","5","10","5","10","1") = "9"
    & skf18("3","8","5","10","6","1","1") = "9"
    & skf18("3","8","5","10","6","2","1") = "9"
    & skf18("3","8","5","10","6","3","1") = "9"
    & skf18("3","8","5","10","6","4","1") = "9"
    & skf18("3","8","5","10","6","5","1") = "9"
    & skf18("3","8","5","10","6","6","1") = "9"
    & skf18("3","8","5","10","6","7","1") = "9"
    & skf18("3","8","5","10","6","8","1") = "9"
    & skf18("3","8","5","10","6","9","1") = "9"
    & skf18("3","8","5","10","6","10","1") = "9"
    & skf18("3","8","5","10","7","1","1") = "9"
    & skf18("3","8","5","10","7","2","1") = "9"
    & skf18("3","8","5","10","7","3","1") = "9"
    & skf18("3","8","5","10","7","4","1") = "9"
    & skf18("3","8","5","10","7","5","1") = "9"
    & skf18("3","8","5","10","7","6","1") = "9"
    & skf18("3","8","5","10","7","7","1") = "9"
    & skf18("3","8","5","10","7","8","1") = "9"
    & skf18("3","8","5","10","7","9","1") = "9"
    & skf18("3","8","5","10","7","10","1") = "9"
    & skf18("3","8","5","10","8","1","1") = "9"
    & skf18("3","8","5","10","8","2","1") = "9"
    & skf18("3","8","5","10","8","3","1") = "9"
    & skf18("3","8","5","10","8","4","1") = "9"
    & skf18("3","8","5","10","8","5","1") = "9"
    & skf18("3","8","5","10","8","6","1") = "9"
    & skf18("3","8","5","10","8","7","1") = "9"
    & skf18("3","8","5","10","8","8","1") = "9"
    & skf18("3","8","5","10","8","9","1") = "9"
    & skf18("3","8","5","10","8","10","1") = "9"
    & skf18("3","8","5","10","9","1","1") = "9"
    & skf18("3","8","5","10","9","2","1") = "9"
    & skf18("3","8","5","10","9","3","1") = "9"
    & skf18("3","8","5","10","9","4","1") = "9"
    & skf18("3","8","5","10","9","5","1") = "9"
    & skf18("3","8","5","10","9","6","1") = "9"
    & skf18("3","8","5","10","9","7","1") = "9"
    & skf18("3","8","5","10","9","8","1") = "9"
    & skf18("3","8","5","10","9","9","1") = "9"
    & skf18("3","8","5","10","9","10","1") = "9"
    & skf18("3","8","5","10","10","1","1") = "9"
    & skf18("3","8","5","10","10","2","1") = "9"
    & skf18("3","8","5","10","10","3","1") = "9"
    & skf18("3","8","5","10","10","4","1") = "9"
    & skf18("3","8","5","10","10","5","1") = "9"
    & skf18("3","8","5","10","10","6","1") = "9"
    & skf18("3","8","5","10","10","7","1") = "9"
    & skf18("3","8","5","10","10","8","1") = "9"
    & skf18("3","8","5","10","10","9","1") = "9"
    & skf18("3","8","5","10","10","10","1") = "9"
    & skf18("3","8","6","1","1","1","1") = "7"
    & skf18("3","8","6","1","1","2","1") = "7"
    & skf18("3","8","6","1","1","3","1") = "7"
    & skf18("3","8","6","1","1","4","1") = "7"
    & skf18("3","8","6","1","1","5","1") = "7"
    & skf18("3","8","6","1","1","6","1") = "7"
    & skf18("3","8","6","1","1","7","1") = "7"
    & skf18("3","8","6","1","1","8","1") = "7"
    & skf18("3","8","6","1","1","9","1") = "8"
    & skf18("3","8","6","1","1","10","1") = "9"
    & skf18("3","8","6","1","2","1","1") = "7"
    & skf18("3","8","6","1","2","2","1") = "7"
    & skf18("3","8","6","1","2","3","1") = "7"
    & skf18("3","8","6","1","2","4","1") = "7"
    & skf18("3","8","6","1","2","5","1") = "7"
    & skf18("3","8","6","1","2","6","1") = "7"
    & skf18("3","8","6","1","2","7","1") = "7"
    & skf18("3","8","6","1","2","8","1") = "7"
    & skf18("3","8","6","1","2","9","1") = "8"
    & skf18("3","8","6","1","2","10","1") = "9"
    & skf18("3","8","6","1","3","1","1") = "7"
    & skf18("3","8","6","1","3","2","1") = "7"
    & skf18("3","8","6","1","3","3","1") = "7"
    & skf18("3","8","6","1","3","4","1") = "7"
    & skf18("3","8","6","1","3","5","1") = "7"
    & skf18("3","8","6","1","3","6","1") = "7"
    & skf18("3","8","6","1","3","7","1") = "7"
    & skf18("3","8","6","1","3","8","1") = "7"
    & skf18("3","8","6","1","3","9","1") = "8"
    & skf18("3","8","6","1","3","10","1") = "9"
    & skf18("3","8","6","1","4","1","1") = "7"
    & skf18("3","8","6","1","4","2","1") = "7"
    & skf18("3","8","6","1","4","3","1") = "7"
    & skf18("3","8","6","1","4","4","1") = "7"
    & skf18("3","8","6","1","4","5","1") = "7"
    & skf18("3","8","6","1","4","6","1") = "7"
    & skf18("3","8","6","1","4","7","1") = "7"
    & skf18("3","8","6","1","4","8","1") = "7"
    & skf18("3","8","6","1","4","9","1") = "8"
    & skf18("3","8","6","1","4","10","1") = "9"
    & skf18("3","8","6","1","5","1","1") = "7"
    & skf18("3","8","6","1","5","2","1") = "7"
    & skf18("3","8","6","1","5","3","1") = "7"
    & skf18("3","8","6","1","5","4","1") = "7"
    & skf18("3","8","6","1","5","5","1") = "7"
    & skf18("3","8","6","1","5","6","1") = "7"
    & skf18("3","8","6","1","5","7","1") = "7"
    & skf18("3","8","6","1","5","8","1") = "7"
    & skf18("3","8","6","1","5","9","1") = "8"
    & skf18("3","8","6","1","5","10","1") = "9"
    & skf18("3","8","6","1","6","1","1") = "7"
    & skf18("3","8","6","1","6","2","1") = "7"
    & skf18("3","8","6","1","6","3","1") = "7"
    & skf18("3","8","6","1","6","4","1") = "7"
    & skf18("3","8","6","1","6","5","1") = "7"
    & skf18("3","8","6","1","6","6","1") = "7"
    & skf18("3","8","6","1","6","7","1") = "7"
    & skf18("3","8","6","1","6","8","1") = "7"
    & skf18("3","8","6","1","6","9","1") = "8"
    & skf18("3","8","6","1","6","10","1") = "9"
    & skf18("3","8","6","1","7","1","1") = "7"
    & skf18("3","8","6","1","7","2","1") = "7"
    & skf18("3","8","6","1","7","3","1") = "7"
    & skf18("3","8","6","1","7","4","1") = "7"
    & skf18("3","8","6","1","7","5","1") = "7"
    & skf18("3","8","6","1","7","6","1") = "7"
    & skf18("3","8","6","1","7","7","1") = "7"
    & skf18("3","8","6","1","7","8","1") = "7"
    & skf18("3","8","6","1","7","9","1") = "8"
    & skf18("3","8","6","1","7","10","1") = "9"
    & skf18("3","8","6","1","8","1","1") = "7"
    & skf18("3","8","6","1","8","2","1") = "7"
    & skf18("3","8","6","1","8","3","1") = "7"
    & skf18("3","8","6","1","8","4","1") = "7"
    & skf18("3","8","6","1","8","5","1") = "7"
    & skf18("3","8","6","1","8","6","1") = "7"
    & skf18("3","8","6","1","8","7","1") = "7"
    & skf18("3","8","6","1","8","8","1") = "7"
    & skf18("3","8","6","1","8","9","1") = "8"
    & skf18("3","8","6","1","8","10","1") = "9"
    & skf18("3","8","6","1","9","1","1") = "8"
    & skf18("3","8","6","1","9","2","1") = "8"
    & skf18("3","8","6","1","9","3","1") = "8"
    & skf18("3","8","6","1","9","4","1") = "8"
    & skf18("3","8","6","1","9","5","1") = "8"
    & skf18("3","8","6","1","9","6","1") = "8"
    & skf18("3","8","6","1","9","7","1") = "8"
    & skf18("3","8","6","1","9","8","1") = "8"
    & skf18("3","8","6","1","9","9","1") = "8"
    & skf18("3","8","6","1","9","10","1") = "9"
    & skf18("3","8","6","1","10","1","1") = "9"
    & skf18("3","8","6","1","10","2","1") = "9"
    & skf18("3","8","6","1","10","3","1") = "9"
    & skf18("3","8","6","1","10","4","1") = "9"
    & skf18("3","8","6","1","10","5","1") = "9"
    & skf18("3","8","6","1","10","6","1") = "9"
    & skf18("3","8","6","1","10","7","1") = "9"
    & skf18("3","8","6","1","10","8","1") = "9"
    & skf18("3","8","6","1","10","9","1") = "9"
    & skf18("3","8","6","1","10","10","1") = "9"
    & skf18("3","8","6","2","1","1","1") = "7"
    & skf18("3","8","6","2","1","2","1") = "7"
    & skf18("3","8","6","2","1","3","1") = "7"
    & skf18("3","8","6","2","1","4","1") = "7"
    & skf18("3","8","6","2","1","5","1") = "7"
    & skf18("3","8","6","2","1","6","1") = "7"
    & skf18("3","8","6","2","1","7","1") = "7"
    & skf18("3","8","6","2","1","8","1") = "7"
    & skf18("3","8","6","2","1","9","1") = "8"
    & skf18("3","8","6","2","1","10","1") = "9"
    & skf18("3","8","6","2","2","1","1") = "7"
    & skf18("3","8","6","2","2","2","1") = "7"
    & skf18("3","8","6","2","2","3","1") = "7"
    & skf18("3","8","6","2","2","4","1") = "7"
    & skf18("3","8","6","2","2","5","1") = "7"
    & skf18("3","8","6","2","2","6","1") = "7"
    & skf18("3","8","6","2","2","7","1") = "7"
    & skf18("3","8","6","2","2","8","1") = "7"
    & skf18("3","8","6","2","2","9","1") = "8"
    & skf18("3","8","6","2","2","10","1") = "9"
    & skf18("3","8","6","2","3","1","1") = "7"
    & skf18("3","8","6","2","3","2","1") = "7"
    & skf18("3","8","6","2","3","3","1") = "7"
    & skf18("3","8","6","2","3","4","1") = "7"
    & skf18("3","8","6","2","3","5","1") = "7"
    & skf18("3","8","6","2","3","6","1") = "7"
    & skf18("3","8","6","2","3","7","1") = "7"
    & skf18("3","8","6","2","3","8","1") = "7"
    & skf18("3","8","6","2","3","9","1") = "8"
    & skf18("3","8","6","2","3","10","1") = "9"
    & skf18("3","8","6","2","4","1","1") = "7"
    & skf18("3","8","6","2","4","2","1") = "7"
    & skf18("3","8","6","2","4","3","1") = "7"
    & skf18("3","8","6","2","4","4","1") = "7"
    & skf18("3","8","6","2","4","5","1") = "7"
    & skf18("3","8","6","2","4","6","1") = "7"
    & skf18("3","8","6","2","4","7","1") = "7"
    & skf18("3","8","6","2","4","8","1") = "7"
    & skf18("3","8","6","2","4","9","1") = "8"
    & skf18("3","8","6","2","4","10","1") = "9"
    & skf18("3","8","6","2","5","1","1") = "7"
    & skf18("3","8","6","2","5","2","1") = "7"
    & skf18("3","8","6","2","5","3","1") = "7"
    & skf18("3","8","6","2","5","4","1") = "7"
    & skf18("3","8","6","2","5","5","1") = "7"
    & skf18("3","8","6","2","5","6","1") = "7"
    & skf18("3","8","6","2","5","7","1") = "7"
    & skf18("3","8","6","2","5","8","1") = "7"
    & skf18("3","8","6","2","5","9","1") = "8"
    & skf18("3","8","6","2","5","10","1") = "9"
    & skf18("3","8","6","2","6","1","1") = "7"
    & skf18("3","8","6","2","6","2","1") = "7"
    & skf18("3","8","6","2","6","3","1") = "7"
    & skf18("3","8","6","2","6","4","1") = "7"
    & skf18("3","8","6","2","6","5","1") = "7"
    & skf18("3","8","6","2","6","6","1") = "7"
    & skf18("3","8","6","2","6","7","1") = "7"
    & skf18("3","8","6","2","6","8","1") = "7"
    & skf18("3","8","6","2","6","9","1") = "8"
    & skf18("3","8","6","2","6","10","1") = "9"
    & skf18("3","8","6","2","7","1","1") = "7"
    & skf18("3","8","6","2","7","2","1") = "7"
    & skf18("3","8","6","2","7","3","1") = "7"
    & skf18("3","8","6","2","7","4","1") = "7"
    & skf18("3","8","6","2","7","5","1") = "7"
    & skf18("3","8","6","2","7","6","1") = "7"
    & skf18("3","8","6","2","7","7","1") = "7"
    & skf18("3","8","6","2","7","8","1") = "7"
    & skf18("3","8","6","2","7","9","1") = "8"
    & skf18("3","8","6","2","7","10","1") = "9"
    & skf18("3","8","6","2","8","1","1") = "7"
    & skf18("3","8","6","2","8","2","1") = "7"
    & skf18("3","8","6","2","8","3","1") = "7"
    & skf18("3","8","6","2","8","4","1") = "7"
    & skf18("3","8","6","2","8","5","1") = "7"
    & skf18("3","8","6","2","8","6","1") = "7"
    & skf18("3","8","6","2","8","7","1") = "7"
    & skf18("3","8","6","2","8","8","1") = "7"
    & skf18("3","8","6","2","8","9","1") = "8"
    & skf18("3","8","6","2","8","10","1") = "9"
    & skf18("3","8","6","2","9","1","1") = "8"
    & skf18("3","8","6","2","9","2","1") = "8"
    & skf18("3","8","6","2","9","3","1") = "8"
    & skf18("3","8","6","2","9","4","1") = "8"
    & skf18("3","8","6","2","9","5","1") = "8"
    & skf18("3","8","6","2","9","6","1") = "8"
    & skf18("3","8","6","2","9","7","1") = "8"
    & skf18("3","8","6","2","9","8","1") = "8"
    & skf18("3","8","6","2","9","9","1") = "8"
    & skf18("3","8","6","2","9","10","1") = "9"
    & skf18("3","8","6","2","10","1","1") = "9"
    & skf18("3","8","6","2","10","2","1") = "9"
    & skf18("3","8","6","2","10","3","1") = "9"
    & skf18("3","8","6","2","10","4","1") = "9"
    & skf18("3","8","6","2","10","5","1") = "9"
    & skf18("3","8","6","2","10","6","1") = "9"
    & skf18("3","8","6","2","10","7","1") = "9"
    & skf18("3","8","6","2","10","8","1") = "9"
    & skf18("3","8","6","2","10","9","1") = "9"
    & skf18("3","8","6","2","10","10","1") = "9"
    & skf18("3","8","6","3","1","1","1") = "7"
    & skf18("3","8","6","3","1","2","1") = "7"
    & skf18("3","8","6","3","1","3","1") = "7"
    & skf18("3","8","6","3","1","4","1") = "7"
    & skf18("3","8","6","3","1","5","1") = "7"
    & skf18("3","8","6","3","1","6","1") = "7"
    & skf18("3","8","6","3","1","7","1") = "7"
    & skf18("3","8","6","3","1","8","1") = "7"
    & skf18("3","8","6","3","1","9","1") = "8"
    & skf18("3","8","6","3","1","10","1") = "9"
    & skf18("3","8","6","3","2","1","1") = "7"
    & skf18("3","8","6","3","2","2","1") = "7"
    & skf18("3","8","6","3","2","3","1") = "7"
    & skf18("3","8","6","3","2","4","1") = "7"
    & skf18("3","8","6","3","2","5","1") = "7"
    & skf18("3","8","6","3","2","6","1") = "7"
    & skf18("3","8","6","3","2","7","1") = "7"
    & skf18("3","8","6","3","2","8","1") = "7"
    & skf18("3","8","6","3","2","9","1") = "8"
    & skf18("3","8","6","3","2","10","1") = "9"
    & skf18("3","8","6","3","3","1","1") = "7"
    & skf18("3","8","6","3","3","2","1") = "7"
    & skf18("3","8","6","3","3","3","1") = "7"
    & skf18("3","8","6","3","3","4","1") = "7"
    & skf18("3","8","6","3","3","5","1") = "7"
    & skf18("3","8","6","3","3","6","1") = "7"
    & skf18("3","8","6","3","3","7","1") = "7"
    & skf18("3","8","6","3","3","8","1") = "7"
    & skf18("3","8","6","3","3","9","1") = "8"
    & skf18("3","8","6","3","3","10","1") = "9"
    & skf18("3","8","6","3","4","1","1") = "7"
    & skf18("3","8","6","3","4","2","1") = "7"
    & skf18("3","8","6","3","4","3","1") = "7"
    & skf18("3","8","6","3","4","4","1") = "7"
    & skf18("3","8","6","3","4","5","1") = "7"
    & skf18("3","8","6","3","4","6","1") = "7"
    & skf18("3","8","6","3","4","7","1") = "7"
    & skf18("3","8","6","3","4","8","1") = "7"
    & skf18("3","8","6","3","4","9","1") = "8"
    & skf18("3","8","6","3","4","10","1") = "9"
    & skf18("3","8","6","3","5","1","1") = "7"
    & skf18("3","8","6","3","5","2","1") = "7"
    & skf18("3","8","6","3","5","3","1") = "7"
    & skf18("3","8","6","3","5","4","1") = "7"
    & skf18("3","8","6","3","5","5","1") = "7"
    & skf18("3","8","6","3","5","6","1") = "7"
    & skf18("3","8","6","3","5","7","1") = "7"
    & skf18("3","8","6","3","5","8","1") = "7"
    & skf18("3","8","6","3","5","9","1") = "8"
    & skf18("3","8","6","3","5","10","1") = "9"
    & skf18("3","8","6","3","6","1","1") = "7"
    & skf18("3","8","6","3","6","2","1") = "7"
    & skf18("3","8","6","3","6","3","1") = "7"
    & skf18("3","8","6","3","6","4","1") = "7"
    & skf18("3","8","6","3","6","5","1") = "7"
    & skf18("3","8","6","3","6","6","1") = "7"
    & skf18("3","8","6","3","6","7","1") = "7"
    & skf18("3","8","6","3","6","8","1") = "7"
    & skf18("3","8","6","3","6","9","1") = "8"
    & skf18("3","8","6","3","6","10","1") = "9"
    & skf18("3","8","6","3","7","1","1") = "7"
    & skf18("3","8","6","3","7","2","1") = "7"
    & skf18("3","8","6","3","7","3","1") = "7"
    & skf18("3","8","6","3","7","4","1") = "7"
    & skf18("3","8","6","3","7","5","1") = "7"
    & skf18("3","8","6","3","7","6","1") = "7"
    & skf18("3","8","6","3","7","7","1") = "7"
    & skf18("3","8","6","3","7","8","1") = "7"
    & skf18("3","8","6","3","7","9","1") = "8"
    & skf18("3","8","6","3","7","10","1") = "9"
    & skf18("3","8","6","3","8","1","1") = "7"
    & skf18("3","8","6","3","8","2","1") = "7"
    & skf18("3","8","6","3","8","3","1") = "7"
    & skf18("3","8","6","3","8","4","1") = "7"
    & skf18("3","8","6","3","8","5","1") = "7"
    & skf18("3","8","6","3","8","6","1") = "7"
    & skf18("3","8","6","3","8","7","1") = "7"
    & skf18("3","8","6","3","8","8","1") = "7"
    & skf18("3","8","6","3","8","9","1") = "8"
    & skf18("3","8","6","3","8","10","1") = "9"
    & skf18("3","8","6","3","9","1","1") = "8"
    & skf18("3","8","6","3","9","2","1") = "8"
    & skf18("3","8","6","3","9","3","1") = "8"
    & skf18("3","8","6","3","9","4","1") = "8"
    & skf18("3","8","6","3","9","5","1") = "8"
    & skf18("3","8","6","3","9","6","1") = "8"
    & skf18("3","8","6","3","9","7","1") = "8"
    & skf18("3","8","6","3","9","8","1") = "8"
    & skf18("3","8","6","3","9","9","1") = "8"
    & skf18("3","8","6","3","9","10","1") = "9"
    & skf18("3","8","6","3","10","1","1") = "9"
    & skf18("3","8","6","3","10","2","1") = "9"
    & skf18("3","8","6","3","10","3","1") = "9"
    & skf18("3","8","6","3","10","4","1") = "9"
    & skf18("3","8","6","3","10","5","1") = "9"
    & skf18("3","8","6","3","10","6","1") = "9"
    & skf18("3","8","6","3","10","7","1") = "9"
    & skf18("3","8","6","3","10","8","1") = "9"
    & skf18("3","8","6","3","10","9","1") = "9"
    & skf18("3","8","6","3","10","10","1") = "9"
    & skf18("3","8","6","4","1","1","1") = "7"
    & skf18("3","8","6","4","1","2","1") = "7"
    & skf18("3","8","6","4","1","3","1") = "7"
    & skf18("3","8","6","4","1","4","1") = "7"
    & skf18("3","8","6","4","1","5","1") = "7"
    & skf18("3","8","6","4","1","6","1") = "7"
    & skf18("3","8","6","4","1","7","1") = "7"
    & skf18("3","8","6","4","1","8","1") = "7"
    & skf18("3","8","6","4","1","9","1") = "8"
    & skf18("3","8","6","4","1","10","1") = "9"
    & skf18("3","8","6","4","2","1","1") = "7"
    & skf18("3","8","6","4","2","2","1") = "7"
    & skf18("3","8","6","4","2","3","1") = "7"
    & skf18("3","8","6","4","2","4","1") = "7"
    & skf18("3","8","6","4","2","5","1") = "7"
    & skf18("3","8","6","4","2","6","1") = "7"
    & skf18("3","8","6","4","2","7","1") = "7"
    & skf18("3","8","6","4","2","8","1") = "7"
    & skf18("3","8","6","4","2","9","1") = "8"
    & skf18("3","8","6","4","2","10","1") = "9"
    & skf18("3","8","6","4","3","1","1") = "7"
    & skf18("3","8","6","4","3","2","1") = "7"
    & skf18("3","8","6","4","3","3","1") = "7"
    & skf18("3","8","6","4","3","4","1") = "7"
    & skf18("3","8","6","4","3","5","1") = "7"
    & skf18("3","8","6","4","3","6","1") = "7"
    & skf18("3","8","6","4","3","7","1") = "7"
    & skf18("3","8","6","4","3","8","1") = "7"
    & skf18("3","8","6","4","3","9","1") = "8"
    & skf18("3","8","6","4","3","10","1") = "9"
    & skf18("3","8","6","4","4","1","1") = "7"
    & skf18("3","8","6","4","4","2","1") = "7"
    & skf18("3","8","6","4","4","3","1") = "7"
    & skf18("3","8","6","4","4","4","1") = "7"
    & skf18("3","8","6","4","4","5","1") = "7"
    & skf18("3","8","6","4","4","6","1") = "7"
    & skf18("3","8","6","4","4","7","1") = "7"
    & skf18("3","8","6","4","4","8","1") = "7"
    & skf18("3","8","6","4","4","9","1") = "8"
    & skf18("3","8","6","4","4","10","1") = "9"
    & skf18("3","8","6","4","5","1","1") = "7"
    & skf18("3","8","6","4","5","2","1") = "7"
    & skf18("3","8","6","4","5","3","1") = "7"
    & skf18("3","8","6","4","5","4","1") = "7"
    & skf18("3","8","6","4","5","5","1") = "7"
    & skf18("3","8","6","4","5","6","1") = "7"
    & skf18("3","8","6","4","5","7","1") = "7"
    & skf18("3","8","6","4","5","8","1") = "7"
    & skf18("3","8","6","4","5","9","1") = "8"
    & skf18("3","8","6","4","5","10","1") = "9"
    & skf18("3","8","6","4","6","1","1") = "7"
    & skf18("3","8","6","4","6","2","1") = "7"
    & skf18("3","8","6","4","6","3","1") = "7"
    & skf18("3","8","6","4","6","4","1") = "7"
    & skf18("3","8","6","4","6","5","1") = "7"
    & skf18("3","8","6","4","6","6","1") = "7"
    & skf18("3","8","6","4","6","7","1") = "7"
    & skf18("3","8","6","4","6","8","1") = "7"
    & skf18("3","8","6","4","6","9","1") = "8"
    & skf18("3","8","6","4","6","10","1") = "9"
    & skf18("3","8","6","4","7","1","1") = "7"
    & skf18("3","8","6","4","7","2","1") = "7"
    & skf18("3","8","6","4","7","3","1") = "7"
    & skf18("3","8","6","4","7","4","1") = "7"
    & skf18("3","8","6","4","7","5","1") = "7"
    & skf18("3","8","6","4","7","6","1") = "7"
    & skf18("3","8","6","4","7","7","1") = "7"
    & skf18("3","8","6","4","7","8","1") = "7"
    & skf18("3","8","6","4","7","9","1") = "8"
    & skf18("3","8","6","4","7","10","1") = "9"
    & skf18("3","8","6","4","8","1","1") = "7"
    & skf18("3","8","6","4","8","2","1") = "7"
    & skf18("3","8","6","4","8","3","1") = "7"
    & skf18("3","8","6","4","8","4","1") = "7"
    & skf18("3","8","6","4","8","5","1") = "7"
    & skf18("3","8","6","4","8","6","1") = "7"
    & skf18("3","8","6","4","8","7","1") = "7"
    & skf18("3","8","6","4","8","8","1") = "7"
    & skf18("3","8","6","4","8","9","1") = "8"
    & skf18("3","8","6","4","8","10","1") = "9"
    & skf18("3","8","6","4","9","1","1") = "8"
    & skf18("3","8","6","4","9","2","1") = "8"
    & skf18("3","8","6","4","9","3","1") = "8"
    & skf18("3","8","6","4","9","4","1") = "8"
    & skf18("3","8","6","4","9","5","1") = "8"
    & skf18("3","8","6","4","9","6","1") = "8"
    & skf18("3","8","6","4","9","7","1") = "8"
    & skf18("3","8","6","4","9","8","1") = "8"
    & skf18("3","8","6","4","9","9","1") = "8"
    & skf18("3","8","6","4","9","10","1") = "9"
    & skf18("3","8","6","4","10","1","1") = "9"
    & skf18("3","8","6","4","10","2","1") = "9"
    & skf18("3","8","6","4","10","3","1") = "9"
    & skf18("3","8","6","4","10","4","1") = "9"
    & skf18("3","8","6","4","10","5","1") = "9"
    & skf18("3","8","6","4","10","6","1") = "9"
    & skf18("3","8","6","4","10","7","1") = "9"
    & skf18("3","8","6","4","10","8","1") = "9"
    & skf18("3","8","6","4","10","9","1") = "9"
    & skf18("3","8","6","4","10","10","1") = "9"
    & skf18("3","8","6","5","1","1","1") = "7"
    & skf18("3","8","6","5","1","2","1") = "7"
    & skf18("3","8","6","5","1","3","1") = "7"
    & skf18("3","8","6","5","1","4","1") = "7"
    & skf18("3","8","6","5","1","5","1") = "7"
    & skf18("3","8","6","5","1","6","1") = "7"
    & skf18("3","8","6","5","1","7","1") = "7"
    & skf18("3","8","6","5","1","8","1") = "7"
    & skf18("3","8","6","5","1","9","1") = "8"
    & skf18("3","8","6","5","1","10","1") = "9"
    & skf18("3","8","6","5","2","1","1") = "7"
    & skf18("3","8","6","5","2","2","1") = "7"
    & skf18("3","8","6","5","2","3","1") = "7"
    & skf18("3","8","6","5","2","4","1") = "7"
    & skf18("3","8","6","5","2","5","1") = "7"
    & skf18("3","8","6","5","2","6","1") = "7"
    & skf18("3","8","6","5","2","7","1") = "7"
    & skf18("3","8","6","5","2","8","1") = "7"
    & skf18("3","8","6","5","2","9","1") = "8"
    & skf18("3","8","6","5","2","10","1") = "9"
    & skf18("3","8","6","5","3","1","1") = "7"
    & skf18("3","8","6","5","3","2","1") = "7"
    & skf18("3","8","6","5","3","3","1") = "7"
    & skf18("3","8","6","5","3","4","1") = "7"
    & skf18("3","8","6","5","3","5","1") = "7"
    & skf18("3","8","6","5","3","6","1") = "7"
    & skf18("3","8","6","5","3","7","1") = "7"
    & skf18("3","8","6","5","3","8","1") = "7"
    & skf18("3","8","6","5","3","9","1") = "8"
    & skf18("3","8","6","5","3","10","1") = "9"
    & skf18("3","8","6","5","4","1","1") = "7"
    & skf18("3","8","6","5","4","2","1") = "7"
    & skf18("3","8","6","5","4","3","1") = "7"
    & skf18("3","8","6","5","4","4","1") = "7"
    & skf18("3","8","6","5","4","5","1") = "7"
    & skf18("3","8","6","5","4","6","1") = "7"
    & skf18("3","8","6","5","4","7","1") = "7"
    & skf18("3","8","6","5","4","8","1") = "7"
    & skf18("3","8","6","5","4","9","1") = "8"
    & skf18("3","8","6","5","4","10","1") = "9"
    & skf18("3","8","6","5","5","1","1") = "7"
    & skf18("3","8","6","5","5","2","1") = "7"
    & skf18("3","8","6","5","5","3","1") = "7"
    & skf18("3","8","6","5","5","4","1") = "7"
    & skf18("3","8","6","5","5","5","1") = "7"
    & skf18("3","8","6","5","5","6","1") = "7"
    & skf18("3","8","6","5","5","7","1") = "7"
    & skf18("3","8","6","5","5","8","1") = "7"
    & skf18("3","8","6","5","5","9","1") = "8"
    & skf18("3","8","6","5","5","10","1") = "9"
    & skf18("3","8","6","5","6","1","1") = "7"
    & skf18("3","8","6","5","6","2","1") = "7"
    & skf18("3","8","6","5","6","3","1") = "7"
    & skf18("3","8","6","5","6","4","1") = "7"
    & skf18("3","8","6","5","6","5","1") = "7"
    & skf18("3","8","6","5","6","6","1") = "7"
    & skf18("3","8","6","5","6","7","1") = "7"
    & skf18("3","8","6","5","6","8","1") = "7"
    & skf18("3","8","6","5","6","9","1") = "8"
    & skf18("3","8","6","5","6","10","1") = "9"
    & skf18("3","8","6","5","7","1","1") = "7"
    & skf18("3","8","6","5","7","2","1") = "7"
    & skf18("3","8","6","5","7","3","1") = "7"
    & skf18("3","8","6","5","7","4","1") = "7"
    & skf18("3","8","6","5","7","5","1") = "7"
    & skf18("3","8","6","5","7","6","1") = "7"
    & skf18("3","8","6","5","7","7","1") = "7"
    & skf18("3","8","6","5","7","8","1") = "7"
    & skf18("3","8","6","5","7","9","1") = "8"
    & skf18("3","8","6","5","7","10","1") = "9"
    & skf18("3","8","6","5","8","1","1") = "7"
    & skf18("3","8","6","5","8","2","1") = "7"
    & skf18("3","8","6","5","8","3","1") = "7"
    & skf18("3","8","6","5","8","4","1") = "7"
    & skf18("3","8","6","5","8","5","1") = "7"
    & skf18("3","8","6","5","8","6","1") = "7"
    & skf18("3","8","6","5","8","7","1") = "7"
    & skf18("3","8","6","5","8","8","1") = "7"
    & skf18("3","8","6","5","8","9","1") = "8"
    & skf18("3","8","6","5","8","10","1") = "9"
    & skf18("3","8","6","5","9","1","1") = "8"
    & skf18("3","8","6","5","9","2","1") = "8"
    & skf18("3","8","6","5","9","3","1") = "8"
    & skf18("3","8","6","5","9","4","1") = "8"
    & skf18("3","8","6","5","9","5","1") = "8"
    & skf18("3","8","6","5","9","6","1") = "8"
    & skf18("3","8","6","5","9","7","1") = "8"
    & skf18("3","8","6","5","9","8","1") = "8"
    & skf18("3","8","6","5","9","9","1") = "8"
    & skf18("3","8","6","5","9","10","1") = "9"
    & skf18("3","8","6","5","10","1","1") = "9"
    & skf18("3","8","6","5","10","2","1") = "9"
    & skf18("3","8","6","5","10","3","1") = "9"
    & skf18("3","8","6","5","10","4","1") = "9"
    & skf18("3","8","6","5","10","5","1") = "9"
    & skf18("3","8","6","5","10","6","1") = "9"
    & skf18("3","8","6","5","10","7","1") = "9"
    & skf18("3","8","6","5","10","8","1") = "9"
    & skf18("3","8","6","5","10","9","1") = "9"
    & skf18("3","8","6","5","10","10","1") = "9"
    & skf18("3","8","6","6","1","1","1") = "7"
    & skf18("3","8","6","6","1","2","1") = "7"
    & skf18("3","8","6","6","1","3","1") = "7"
    & skf18("3","8","6","6","1","4","1") = "7"
    & skf18("3","8","6","6","1","5","1") = "7"
    & skf18("3","8","6","6","1","6","1") = "7"
    & skf18("3","8","6","6","1","7","1") = "7"
    & skf18("3","8","6","6","1","8","1") = "7"
    & skf18("3","8","6","6","1","9","1") = "8"
    & skf18("3","8","6","6","1","10","1") = "9"
    & skf18("3","8","6","6","2","1","1") = "7"
    & skf18("3","8","6","6","2","2","1") = "7"
    & skf18("3","8","6","6","2","3","1") = "7"
    & skf18("3","8","6","6","2","4","1") = "7"
    & skf18("3","8","6","6","2","5","1") = "7"
    & skf18("3","8","6","6","2","6","1") = "7"
    & skf18("3","8","6","6","2","7","1") = "7"
    & skf18("3","8","6","6","2","8","1") = "7"
    & skf18("3","8","6","6","2","9","1") = "8"
    & skf18("3","8","6","6","2","10","1") = "9"
    & skf18("3","8","6","6","3","1","1") = "7"
    & skf18("3","8","6","6","3","2","1") = "7"
    & skf18("3","8","6","6","3","3","1") = "7"
    & skf18("3","8","6","6","3","4","1") = "7"
    & skf18("3","8","6","6","3","5","1") = "7"
    & skf18("3","8","6","6","3","6","1") = "7"
    & skf18("3","8","6","6","3","7","1") = "7"
    & skf18("3","8","6","6","3","8","1") = "7"
    & skf18("3","8","6","6","3","9","1") = "8"
    & skf18("3","8","6","6","3","10","1") = "9"
    & skf18("3","8","6","6","4","1","1") = "7"
    & skf18("3","8","6","6","4","2","1") = "7"
    & skf18("3","8","6","6","4","3","1") = "7"
    & skf18("3","8","6","6","4","4","1") = "7"
    & skf18("3","8","6","6","4","5","1") = "7"
    & skf18("3","8","6","6","4","6","1") = "7"
    & skf18("3","8","6","6","4","7","1") = "7"
    & skf18("3","8","6","6","4","8","1") = "7"
    & skf18("3","8","6","6","4","9","1") = "8"
    & skf18("3","8","6","6","4","10","1") = "9"
    & skf18("3","8","6","6","5","1","1") = "7"
    & skf18("3","8","6","6","5","2","1") = "7"
    & skf18("3","8","6","6","5","3","1") = "7"
    & skf18("3","8","6","6","5","4","1") = "7"
    & skf18("3","8","6","6","5","5","1") = "7"
    & skf18("3","8","6","6","5","6","1") = "7"
    & skf18("3","8","6","6","5","7","1") = "7"
    & skf18("3","8","6","6","5","8","1") = "7"
    & skf18("3","8","6","6","5","9","1") = "8"
    & skf18("3","8","6","6","5","10","1") = "9"
    & skf18("3","8","6","6","6","1","1") = "7"
    & skf18("3","8","6","6","6","2","1") = "7"
    & skf18("3","8","6","6","6","3","1") = "7"
    & skf18("3","8","6","6","6","4","1") = "7"
    & skf18("3","8","6","6","6","5","1") = "7"
    & skf18("3","8","6","6","6","6","1") = "7"
    & skf18("3","8","6","6","6","7","1") = "7"
    & skf18("3","8","6","6","6","8","1") = "7"
    & skf18("3","8","6","6","6","9","1") = "8"
    & skf18("3","8","6","6","6","10","1") = "9"
    & skf18("3","8","6","6","7","1","1") = "7"
    & skf18("3","8","6","6","7","2","1") = "7"
    & skf18("3","8","6","6","7","3","1") = "7"
    & skf18("3","8","6","6","7","4","1") = "7"
    & skf18("3","8","6","6","7","5","1") = "7"
    & skf18("3","8","6","6","7","6","1") = "7"
    & skf18("3","8","6","6","7","7","1") = "7"
    & skf18("3","8","6","6","7","8","1") = "7"
    & skf18("3","8","6","6","7","9","1") = "8"
    & skf18("3","8","6","6","7","10","1") = "9"
    & skf18("3","8","6","6","8","1","1") = "7"
    & skf18("3","8","6","6","8","2","1") = "7"
    & skf18("3","8","6","6","8","3","1") = "7"
    & skf18("3","8","6","6","8","4","1") = "7"
    & skf18("3","8","6","6","8","5","1") = "7"
    & skf18("3","8","6","6","8","6","1") = "7"
    & skf18("3","8","6","6","8","7","1") = "7"
    & skf18("3","8","6","6","8","8","1") = "7"
    & skf18("3","8","6","6","8","9","1") = "8"
    & skf18("3","8","6","6","8","10","1") = "9"
    & skf18("3","8","6","6","9","1","1") = "8"
    & skf18("3","8","6","6","9","2","1") = "8"
    & skf18("3","8","6","6","9","3","1") = "8"
    & skf18("3","8","6","6","9","4","1") = "8"
    & skf18("3","8","6","6","9","5","1") = "8"
    & skf18("3","8","6","6","9","6","1") = "8"
    & skf18("3","8","6","6","9","7","1") = "8"
    & skf18("3","8","6","6","9","8","1") = "8"
    & skf18("3","8","6","6","9","9","1") = "8"
    & skf18("3","8","6","6","9","10","1") = "9"
    & skf18("3","8","6","6","10","1","1") = "9"
    & skf18("3","8","6","6","10","2","1") = "9"
    & skf18("3","8","6","6","10","3","1") = "9"
    & skf18("3","8","6","6","10","4","1") = "9"
    & skf18("3","8","6","6","10","5","1") = "9"
    & skf18("3","8","6","6","10","6","1") = "9"
    & skf18("3","8","6","6","10","7","1") = "9"
    & skf18("3","8","6","6","10","8","1") = "9"
    & skf18("3","8","6","6","10","9","1") = "9"
    & skf18("3","8","6","6","10","10","1") = "9"
    & skf18("3","8","6","7","1","1","1") = "7"
    & skf18("3","8","6","7","1","2","1") = "7"
    & skf18("3","8","6","7","1","3","1") = "7"
    & skf18("3","8","6","7","1","4","1") = "7"
    & skf18("3","8","6","7","1","5","1") = "7"
    & skf18("3","8","6","7","1","6","1") = "7"
    & skf18("3","8","6","7","1","7","1") = "7"
    & skf18("3","8","6","7","1","8","1") = "7"
    & skf18("3","8","6","7","1","9","1") = "8"
    & skf18("3","8","6","7","1","10","1") = "9"
    & skf18("3","8","6","7","2","1","1") = "7"
    & skf18("3","8","6","7","2","2","1") = "7"
    & skf18("3","8","6","7","2","3","1") = "7"
    & skf18("3","8","6","7","2","4","1") = "7"
    & skf18("3","8","6","7","2","5","1") = "7"
    & skf18("3","8","6","7","2","6","1") = "7"
    & skf18("3","8","6","7","2","7","1") = "7"
    & skf18("3","8","6","7","2","8","1") = "7"
    & skf18("3","8","6","7","2","9","1") = "8"
    & skf18("3","8","6","7","2","10","1") = "9"
    & skf18("3","8","6","7","3","1","1") = "7"
    & skf18("3","8","6","7","3","2","1") = "7"
    & skf18("3","8","6","7","3","3","1") = "7"
    & skf18("3","8","6","7","3","4","1") = "7"
    & skf18("3","8","6","7","3","5","1") = "7"
    & skf18("3","8","6","7","3","6","1") = "7"
    & skf18("3","8","6","7","3","7","1") = "7"
    & skf18("3","8","6","7","3","8","1") = "7"
    & skf18("3","8","6","7","3","9","1") = "8"
    & skf18("3","8","6","7","3","10","1") = "9"
    & skf18("3","8","6","7","4","1","1") = "7"
    & skf18("3","8","6","7","4","2","1") = "7"
    & skf18("3","8","6","7","4","3","1") = "7"
    & skf18("3","8","6","7","4","4","1") = "7"
    & skf18("3","8","6","7","4","5","1") = "7"
    & skf18("3","8","6","7","4","6","1") = "7"
    & skf18("3","8","6","7","4","7","1") = "7"
    & skf18("3","8","6","7","4","8","1") = "7"
    & skf18("3","8","6","7","4","9","1") = "8"
    & skf18("3","8","6","7","4","10","1") = "9"
    & skf18("3","8","6","7","5","1","1") = "7"
    & skf18("3","8","6","7","5","2","1") = "7"
    & skf18("3","8","6","7","5","3","1") = "7"
    & skf18("3","8","6","7","5","4","1") = "7"
    & skf18("3","8","6","7","5","5","1") = "7"
    & skf18("3","8","6","7","5","6","1") = "7"
    & skf18("3","8","6","7","5","7","1") = "7"
    & skf18("3","8","6","7","5","8","1") = "7"
    & skf18("3","8","6","7","5","9","1") = "8"
    & skf18("3","8","6","7","5","10","1") = "9"
    & skf18("3","8","6","7","6","1","1") = "7"
    & skf18("3","8","6","7","6","2","1") = "7"
    & skf18("3","8","6","7","6","3","1") = "7"
    & skf18("3","8","6","7","6","4","1") = "7"
    & skf18("3","8","6","7","6","5","1") = "7"
    & skf18("3","8","6","7","6","6","1") = "7"
    & skf18("3","8","6","7","6","7","1") = "7"
    & skf18("3","8","6","7","6","8","1") = "7"
    & skf18("3","8","6","7","6","9","1") = "8"
    & skf18("3","8","6","7","6","10","1") = "9"
    & skf18("3","8","6","7","7","1","1") = "7"
    & skf18("3","8","6","7","7","2","1") = "7"
    & skf18("3","8","6","7","7","3","1") = "7"
    & skf18("3","8","6","7","7","4","1") = "7"
    & skf18("3","8","6","7","7","5","1") = "7"
    & skf18("3","8","6","7","7","6","1") = "7"
    & skf18("3","8","6","7","7","7","1") = "7"
    & skf18("3","8","6","7","7","8","1") = "7"
    & skf18("3","8","6","7","7","9","1") = "8"
    & skf18("3","8","6","7","7","10","1") = "9"
    & skf18("3","8","6","7","8","1","1") = "7"
    & skf18("3","8","6","7","8","2","1") = "7"
    & skf18("3","8","6","7","8","3","1") = "7"
    & skf18("3","8","6","7","8","4","1") = "7"
    & skf18("3","8","6","7","8","5","1") = "7"
    & skf18("3","8","6","7","8","6","1") = "7"
    & skf18("3","8","6","7","8","7","1") = "7"
    & skf18("3","8","6","7","8","8","1") = "7"
    & skf18("3","8","6","7","8","9","1") = "8"
    & skf18("3","8","6","7","8","10","1") = "9"
    & skf18("3","8","6","7","9","1","1") = "8"
    & skf18("3","8","6","7","9","2","1") = "8"
    & skf18("3","8","6","7","9","3","1") = "8"
    & skf18("3","8","6","7","9","4","1") = "8"
    & skf18("3","8","6","7","9","5","1") = "8"
    & skf18("3","8","6","7","9","6","1") = "8"
    & skf18("3","8","6","7","9","7","1") = "8"
    & skf18("3","8","6","7","9","8","1") = "8"
    & skf18("3","8","6","7","9","9","1") = "8"
    & skf18("3","8","6","7","9","10","1") = "9"
    & skf18("3","8","6","7","10","1","1") = "9"
    & skf18("3","8","6","7","10","2","1") = "9"
    & skf18("3","8","6","7","10","3","1") = "9"
    & skf18("3","8","6","7","10","4","1") = "9"
    & skf18("3","8","6","7","10","5","1") = "9"
    & skf18("3","8","6","7","10","6","1") = "9"
    & skf18("3","8","6","7","10","7","1") = "9"
    & skf18("3","8","6","7","10","8","1") = "9"
    & skf18("3","8","6","7","10","9","1") = "9"
    & skf18("3","8","6","7","10","10","1") = "9"
    & skf18("3","8","6","8","1","1","1") = "7"
    & skf18("3","8","6","8","1","2","1") = "7"
    & skf18("3","8","6","8","1","3","1") = "7"
    & skf18("3","8","6","8","1","4","1") = "7"
    & skf18("3","8","6","8","1","5","1") = "7"
    & skf18("3","8","6","8","1","6","1") = "7"
    & skf18("3","8","6","8","1","7","1") = "7"
    & skf18("3","8","6","8","1","8","1") = "7"
    & skf18("3","8","6","8","1","9","1") = "8"
    & skf18("3","8","6","8","1","10","1") = "9"
    & skf18("3","8","6","8","2","1","1") = "7"
    & skf18("3","8","6","8","2","2","1") = "7"
    & skf18("3","8","6","8","2","3","1") = "7"
    & skf18("3","8","6","8","2","4","1") = "7"
    & skf18("3","8","6","8","2","5","1") = "7"
    & skf18("3","8","6","8","2","6","1") = "7"
    & skf18("3","8","6","8","2","7","1") = "7"
    & skf18("3","8","6","8","2","8","1") = "7"
    & skf18("3","8","6","8","2","9","1") = "8"
    & skf18("3","8","6","8","2","10","1") = "9"
    & skf18("3","8","6","8","3","1","1") = "7"
    & skf18("3","8","6","8","3","2","1") = "7"
    & skf18("3","8","6","8","3","3","1") = "7"
    & skf18("3","8","6","8","3","4","1") = "7"
    & skf18("3","8","6","8","3","5","1") = "7"
    & skf18("3","8","6","8","3","6","1") = "7"
    & skf18("3","8","6","8","3","7","1") = "7"
    & skf18("3","8","6","8","3","8","1") = "7"
    & skf18("3","8","6","8","3","9","1") = "8"
    & skf18("3","8","6","8","3","10","1") = "9"
    & skf18("3","8","6","8","4","1","1") = "7"
    & skf18("3","8","6","8","4","2","1") = "7"
    & skf18("3","8","6","8","4","3","1") = "7"
    & skf18("3","8","6","8","4","4","1") = "7"
    & skf18("3","8","6","8","4","5","1") = "7"
    & skf18("3","8","6","8","4","6","1") = "7"
    & skf18("3","8","6","8","4","7","1") = "7"
    & skf18("3","8","6","8","4","8","1") = "7"
    & skf18("3","8","6","8","4","9","1") = "8"
    & skf18("3","8","6","8","4","10","1") = "9"
    & skf18("3","8","6","8","5","1","1") = "7"
    & skf18("3","8","6","8","5","2","1") = "7"
    & skf18("3","8","6","8","5","3","1") = "7"
    & skf18("3","8","6","8","5","4","1") = "7"
    & skf18("3","8","6","8","5","5","1") = "7"
    & skf18("3","8","6","8","5","6","1") = "7"
    & skf18("3","8","6","8","5","7","1") = "7"
    & skf18("3","8","6","8","5","8","1") = "7"
    & skf18("3","8","6","8","5","9","1") = "8"
    & skf18("3","8","6","8","5","10","1") = "9"
    & skf18("3","8","6","8","6","1","1") = "7"
    & skf18("3","8","6","8","6","2","1") = "7"
    & skf18("3","8","6","8","6","3","1") = "7"
    & skf18("3","8","6","8","6","4","1") = "7"
    & skf18("3","8","6","8","6","5","1") = "7"
    & skf18("3","8","6","8","6","6","1") = "7"
    & skf18("3","8","6","8","6","7","1") = "7"
    & skf18("3","8","6","8","6","8","1") = "7"
    & skf18("3","8","6","8","6","9","1") = "8"
    & skf18("3","8","6","8","6","10","1") = "9"
    & skf18("3","8","6","8","7","1","1") = "7"
    & skf18("3","8","6","8","7","2","1") = "7"
    & skf18("3","8","6","8","7","3","1") = "7"
    & skf18("3","8","6","8","7","4","1") = "7"
    & skf18("3","8","6","8","7","5","1") = "7"
    & skf18("3","8","6","8","7","6","1") = "7"
    & skf18("3","8","6","8","7","7","1") = "7"
    & skf18("3","8","6","8","7","8","1") = "7"
    & skf18("3","8","6","8","7","9","1") = "8"
    & skf18("3","8","6","8","7","10","1") = "9"
    & skf18("3","8","6","8","8","1","1") = "7"
    & skf18("3","8","6","8","8","2","1") = "7"
    & skf18("3","8","6","8","8","3","1") = "7"
    & skf18("3","8","6","8","8","4","1") = "7"
    & skf18("3","8","6","8","8","5","1") = "7"
    & skf18("3","8","6","8","8","6","1") = "7"
    & skf18("3","8","6","8","8","7","1") = "7"
    & skf18("3","8","6","8","8","8","1") = "7"
    & skf18("3","8","6","8","8","9","1") = "8"
    & skf18("3","8","6","8","8","10","1") = "9"
    & skf18("3","8","6","8","9","1","1") = "8"
    & skf18("3","8","6","8","9","2","1") = "8"
    & skf18("3","8","6","8","9","3","1") = "8"
    & skf18("3","8","6","8","9","4","1") = "8"
    & skf18("3","8","6","8","9","5","1") = "8"
    & skf18("3","8","6","8","9","6","1") = "8"
    & skf18("3","8","6","8","9","7","1") = "8"
    & skf18("3","8","6","8","9","8","1") = "8"
    & skf18("3","8","6","8","9","9","1") = "8"
    & skf18("3","8","6","8","9","10","1") = "9"
    & skf18("3","8","6","8","10","1","1") = "9"
    & skf18("3","8","6","8","10","2","1") = "9"
    & skf18("3","8","6","8","10","3","1") = "9"
    & skf18("3","8","6","8","10","4","1") = "9"
    & skf18("3","8","6","8","10","5","1") = "9"
    & skf18("3","8","6","8","10","6","1") = "9"
    & skf18("3","8","6","8","10","7","1") = "9"
    & skf18("3","8","6","8","10","8","1") = "9"
    & skf18("3","8","6","8","10","9","1") = "9"
    & skf18("3","8","6","8","10","10","1") = "9"
    & skf18("3","8","6","9","1","1","1") = "8"
    & skf18("3","8","6","9","1","2","1") = "8"
    & skf18("3","8","6","9","1","3","1") = "8"
    & skf18("3","8","6","9","1","4","1") = "8"
    & skf18("3","8","6","9","1","5","1") = "8"
    & skf18("3","8","6","9","1","6","1") = "8"
    & skf18("3","8","6","9","1","7","1") = "8"
    & skf18("3","8","6","9","1","8","1") = "8"
    & skf18("3","8","6","9","1","9","1") = "8"
    & skf18("3","8","6","9","1","10","1") = "9"
    & skf18("3","8","6","9","2","1","1") = "8"
    & skf18("3","8","6","9","2","2","1") = "8"
    & skf18("3","8","6","9","2","3","1") = "8"
    & skf18("3","8","6","9","2","4","1") = "8"
    & skf18("3","8","6","9","2","5","1") = "8"
    & skf18("3","8","6","9","2","6","1") = "8"
    & skf18("3","8","6","9","2","7","1") = "8"
    & skf18("3","8","6","9","2","8","1") = "8"
    & skf18("3","8","6","9","2","9","1") = "8"
    & skf18("3","8","6","9","2","10","1") = "9"
    & skf18("3","8","6","9","3","1","1") = "8"
    & skf18("3","8","6","9","3","2","1") = "8"
    & skf18("3","8","6","9","3","3","1") = "8"
    & skf18("3","8","6","9","3","4","1") = "8"
    & skf18("3","8","6","9","3","5","1") = "8"
    & skf18("3","8","6","9","3","6","1") = "8"
    & skf18("3","8","6","9","3","7","1") = "8"
    & skf18("3","8","6","9","3","8","1") = "8"
    & skf18("3","8","6","9","3","9","1") = "8"
    & skf18("3","8","6","9","3","10","1") = "9"
    & skf18("3","8","6","9","4","1","1") = "8"
    & skf18("3","8","6","9","4","2","1") = "8"
    & skf18("3","8","6","9","4","3","1") = "8"
    & skf18("3","8","6","9","4","4","1") = "8"
    & skf18("3","8","6","9","4","5","1") = "8"
    & skf18("3","8","6","9","4","6","1") = "8"
    & skf18("3","8","6","9","4","7","1") = "8"
    & skf18("3","8","6","9","4","8","1") = "8"
    & skf18("3","8","6","9","4","9","1") = "8"
    & skf18("3","8","6","9","4","10","1") = "9"
    & skf18("3","8","6","9","5","1","1") = "8"
    & skf18("3","8","6","9","5","2","1") = "8"
    & skf18("3","8","6","9","5","3","1") = "8"
    & skf18("3","8","6","9","5","4","1") = "8"
    & skf18("3","8","6","9","5","5","1") = "8"
    & skf18("3","8","6","9","5","6","1") = "8"
    & skf18("3","8","6","9","5","7","1") = "8"
    & skf18("3","8","6","9","5","8","1") = "8"
    & skf18("3","8","6","9","5","9","1") = "8"
    & skf18("3","8","6","9","5","10","1") = "9"
    & skf18("3","8","6","9","6","1","1") = "8"
    & skf18("3","8","6","9","6","2","1") = "8"
    & skf18("3","8","6","9","6","3","1") = "8"
    & skf18("3","8","6","9","6","4","1") = "8"
    & skf18("3","8","6","9","6","5","1") = "8"
    & skf18("3","8","6","9","6","6","1") = "8"
    & skf18("3","8","6","9","6","7","1") = "8"
    & skf18("3","8","6","9","6","8","1") = "8"
    & skf18("3","8","6","9","6","9","1") = "8"
    & skf18("3","8","6","9","6","10","1") = "9"
    & skf18("3","8","6","9","7","1","1") = "8"
    & skf18("3","8","6","9","7","2","1") = "8"
    & skf18("3","8","6","9","7","3","1") = "8"
    & skf18("3","8","6","9","7","4","1") = "8"
    & skf18("3","8","6","9","7","5","1") = "8"
    & skf18("3","8","6","9","7","6","1") = "8"
    & skf18("3","8","6","9","7","7","1") = "8"
    & skf18("3","8","6","9","7","8","1") = "8"
    & skf18("3","8","6","9","7","9","1") = "8"
    & skf18("3","8","6","9","7","10","1") = "9"
    & skf18("3","8","6","9","8","1","1") = "8"
    & skf18("3","8","6","9","8","2","1") = "8"
    & skf18("3","8","6","9","8","3","1") = "8"
    & skf18("3","8","6","9","8","4","1") = "8"
    & skf18("3","8","6","9","8","5","1") = "8"
    & skf18("3","8","6","9","8","6","1") = "8"
    & skf18("3","8","6","9","8","7","1") = "8"
    & skf18("3","8","6","9","8","8","1") = "8"
    & skf18("3","8","6","9","8","9","1") = "8"
    & skf18("3","8","6","9","8","10","1") = "9"
    & skf18("3","8","6","9","9","1","1") = "8"
    & skf18("3","8","6","9","9","2","1") = "8"
    & skf18("3","8","6","9","9","3","1") = "8"
    & skf18("3","8","6","9","9","4","1") = "8"
    & skf18("3","8","6","9","9","5","1") = "8"
    & skf18("3","8","6","9","9","6","1") = "8"
    & skf18("3","8","6","9","9","7","1") = "8"
    & skf18("3","8","6","9","9","8","1") = "8"
    & skf18("3","8","6","9","9","9","1") = "8"
    & skf18("3","8","6","9","9","10","1") = "9"
    & skf18("3","8","6","9","10","1","1") = "9"
    & skf18("3","8","6","9","10","2","1") = "9"
    & skf18("3","8","6","9","10","3","1") = "9"
    & skf18("3","8","6","9","10","4","1") = "9"
    & skf18("3","8","6","9","10","5","1") = "9"
    & skf18("3","8","6","9","10","6","1") = "9"
    & skf18("3","8","6","9","10","7","1") = "9"
    & skf18("3","8","6","9","10","8","1") = "9"
    & skf18("3","8","6","9","10","9","1") = "9"
    & skf18("3","8","6","9","10","10","1") = "9"
    & skf18("3","8","6","10","1","1","1") = "9"
    & skf18("3","8","6","10","1","2","1") = "9"
    & skf18("3","8","6","10","1","3","1") = "9"
    & skf18("3","8","6","10","1","4","1") = "9"
    & skf18("3","8","6","10","1","5","1") = "9"
    & skf18("3","8","6","10","1","6","1") = "9"
    & skf18("3","8","6","10","1","7","1") = "9"
    & skf18("3","8","6","10","1","8","1") = "9"
    & skf18("3","8","6","10","1","9","1") = "9"
    & skf18("3","8","6","10","1","10","1") = "9"
    & skf18("3","8","6","10","2","1","1") = "9"
    & skf18("3","8","6","10","2","2","1") = "9"
    & skf18("3","8","6","10","2","3","1") = "9"
    & skf18("3","8","6","10","2","4","1") = "9"
    & skf18("3","8","6","10","2","5","1") = "9"
    & skf18("3","8","6","10","2","6","1") = "9"
    & skf18("3","8","6","10","2","7","1") = "9"
    & skf18("3","8","6","10","2","8","1") = "9"
    & skf18("3","8","6","10","2","9","1") = "9"
    & skf18("3","8","6","10","2","10","1") = "9"
    & skf18("3","8","6","10","3","1","1") = "9"
    & skf18("3","8","6","10","3","2","1") = "9"
    & skf18("3","8","6","10","3","3","1") = "9"
    & skf18("3","8","6","10","3","4","1") = "9"
    & skf18("3","8","6","10","3","5","1") = "9"
    & skf18("3","8","6","10","3","6","1") = "9"
    & skf18("3","8","6","10","3","7","1") = "9"
    & skf18("3","8","6","10","3","8","1") = "9"
    & skf18("3","8","6","10","3","9","1") = "9"
    & skf18("3","8","6","10","3","10","1") = "9"
    & skf18("3","8","6","10","4","1","1") = "9"
    & skf18("3","8","6","10","4","2","1") = "9"
    & skf18("3","8","6","10","4","3","1") = "9"
    & skf18("3","8","6","10","4","4","1") = "9"
    & skf18("3","8","6","10","4","5","1") = "9"
    & skf18("3","8","6","10","4","6","1") = "9"
    & skf18("3","8","6","10","4","7","1") = "9"
    & skf18("3","8","6","10","4","8","1") = "9"
    & skf18("3","8","6","10","4","9","1") = "9"
    & skf18("3","8","6","10","4","10","1") = "9"
    & skf18("3","8","6","10","5","1","1") = "9"
    & skf18("3","8","6","10","5","2","1") = "9"
    & skf18("3","8","6","10","5","3","1") = "9"
    & skf18("3","8","6","10","5","4","1") = "9"
    & skf18("3","8","6","10","5","5","1") = "9"
    & skf18("3","8","6","10","5","6","1") = "9"
    & skf18("3","8","6","10","5","7","1") = "9"
    & skf18("3","8","6","10","5","8","1") = "9"
    & skf18("3","8","6","10","5","9","1") = "9"
    & skf18("3","8","6","10","5","10","1") = "9"
    & skf18("3","8","6","10","6","1","1") = "9"
    & skf18("3","8","6","10","6","2","1") = "9"
    & skf18("3","8","6","10","6","3","1") = "9"
    & skf18("3","8","6","10","6","4","1") = "9"
    & skf18("3","8","6","10","6","5","1") = "9"
    & skf18("3","8","6","10","6","6","1") = "9"
    & skf18("3","8","6","10","6","7","1") = "9"
    & skf18("3","8","6","10","6","8","1") = "9"
    & skf18("3","8","6","10","6","9","1") = "9"
    & skf18("3","8","6","10","6","10","1") = "9"
    & skf18("3","8","6","10","7","1","1") = "9"
    & skf18("3","8","6","10","7","2","1") = "9"
    & skf18("3","8","6","10","7","3","1") = "9"
    & skf18("3","8","6","10","7","4","1") = "9"
    & skf18("3","8","6","10","7","5","1") = "9"
    & skf18("3","8","6","10","7","6","1") = "9"
    & skf18("3","8","6","10","7","7","1") = "9"
    & skf18("3","8","6","10","7","8","1") = "9"
    & skf18("3","8","6","10","7","9","1") = "9"
    & skf18("3","8","6","10","7","10","1") = "9"
    & skf18("3","8","6","10","8","1","1") = "9"
    & skf18("3","8","6","10","8","2","1") = "9"
    & skf18("3","8","6","10","8","3","1") = "9"
    & skf18("3","8","6","10","8","4","1") = "9"
    & skf18("3","8","6","10","8","5","1") = "9"
    & skf18("3","8","6","10","8","6","1") = "9"
    & skf18("3","8","6","10","8","7","1") = "9"
    & skf18("3","8","6","10","8","8","1") = "9"
    & skf18("3","8","6","10","8","9","1") = "9"
    & skf18("3","8","6","10","8","10","1") = "9"
    & skf18("3","8","6","10","9","1","1") = "9"
    & skf18("3","8","6","10","9","2","1") = "9"
    & skf18("3","8","6","10","9","3","1") = "9"
    & skf18("3","8","6","10","9","4","1") = "9"
    & skf18("3","8","6","10","9","5","1") = "9"
    & skf18("3","8","6","10","9","6","1") = "9"
    & skf18("3","8","6","10","9","7","1") = "9"
    & skf18("3","8","6","10","9","8","1") = "9"
    & skf18("3","8","6","10","9","9","1") = "9"
    & skf18("3","8","6","10","9","10","1") = "9"
    & skf18("3","8","6","10","10","1","1") = "9"
    & skf18("3","8","6","10","10","2","1") = "9"
    & skf18("3","8","6","10","10","3","1") = "9"
    & skf18("3","8","6","10","10","4","1") = "9"
    & skf18("3","8","6","10","10","5","1") = "9"
    & skf18("3","8","6","10","10","6","1") = "9"
    & skf18("3","8","6","10","10","7","1") = "9"
    & skf18("3","8","6","10","10","8","1") = "9"
    & skf18("3","8","6","10","10","9","1") = "9"
    & skf18("3","8","6","10","10","10","1") = "9"
    & skf18("3","8","7","1","1","1","1") = "7"
    & skf18("3","8","7","1","1","2","1") = "7"
    & skf18("3","8","7","1","1","3","1") = "7"
    & skf18("3","8","7","1","1","4","1") = "7"
    & skf18("3","8","7","1","1","5","1") = "7"
    & skf18("3","8","7","1","1","6","1") = "7"
    & skf18("3","8","7","1","1","7","1") = "7"
    & skf18("3","8","7","1","1","8","1") = "7"
    & skf18("3","8","7","1","1","9","1") = "8"
    & skf18("3","8","7","1","1","10","1") = "9"
    & skf18("3","8","7","1","2","1","1") = "7"
    & skf18("3","8","7","1","2","2","1") = "7"
    & skf18("3","8","7","1","2","3","1") = "7"
    & skf18("3","8","7","1","2","4","1") = "7"
    & skf18("3","8","7","1","2","5","1") = "7"
    & skf18("3","8","7","1","2","6","1") = "7"
    & skf18("3","8","7","1","2","7","1") = "7"
    & skf18("3","8","7","1","2","8","1") = "7"
    & skf18("3","8","7","1","2","9","1") = "8"
    & skf18("3","8","7","1","2","10","1") = "9"
    & skf18("3","8","7","1","3","1","1") = "7"
    & skf18("3","8","7","1","3","2","1") = "7"
    & skf18("3","8","7","1","3","3","1") = "7"
    & skf18("3","8","7","1","3","4","1") = "7"
    & skf18("3","8","7","1","3","5","1") = "7"
    & skf18("3","8","7","1","3","6","1") = "7"
    & skf18("3","8","7","1","3","7","1") = "7"
    & skf18("3","8","7","1","3","8","1") = "7"
    & skf18("3","8","7","1","3","9","1") = "8"
    & skf18("3","8","7","1","3","10","1") = "9"
    & skf18("3","8","7","1","4","1","1") = "7"
    & skf18("3","8","7","1","4","2","1") = "7"
    & skf18("3","8","7","1","4","3","1") = "7"
    & skf18("3","8","7","1","4","4","1") = "7"
    & skf18("3","8","7","1","4","5","1") = "7"
    & skf18("3","8","7","1","4","6","1") = "7"
    & skf18("3","8","7","1","4","7","1") = "7"
    & skf18("3","8","7","1","4","8","1") = "7"
    & skf18("3","8","7","1","4","9","1") = "8"
    & skf18("3","8","7","1","4","10","1") = "9"
    & skf18("3","8","7","1","5","1","1") = "7"
    & skf18("3","8","7","1","5","2","1") = "7"
    & skf18("3","8","7","1","5","3","1") = "7"
    & skf18("3","8","7","1","5","4","1") = "7"
    & skf18("3","8","7","1","5","5","1") = "7"
    & skf18("3","8","7","1","5","6","1") = "7"
    & skf18("3","8","7","1","5","7","1") = "7"
    & skf18("3","8","7","1","5","8","1") = "7"
    & skf18("3","8","7","1","5","9","1") = "8"
    & skf18("3","8","7","1","5","10","1") = "9"
    & skf18("3","8","7","1","6","1","1") = "7"
    & skf18("3","8","7","1","6","2","1") = "7"
    & skf18("3","8","7","1","6","3","1") = "7"
    & skf18("3","8","7","1","6","4","1") = "7"
    & skf18("3","8","7","1","6","5","1") = "7"
    & skf18("3","8","7","1","6","6","1") = "7"
    & skf18("3","8","7","1","6","7","1") = "7"
    & skf18("3","8","7","1","6","8","1") = "7"
    & skf18("3","8","7","1","6","9","1") = "8"
    & skf18("3","8","7","1","6","10","1") = "9"
    & skf18("3","8","7","1","7","1","1") = "7"
    & skf18("3","8","7","1","7","2","1") = "7"
    & skf18("3","8","7","1","7","3","1") = "7"
    & skf18("3","8","7","1","7","4","1") = "7"
    & skf18("3","8","7","1","7","5","1") = "7"
    & skf18("3","8","7","1","7","6","1") = "7"
    & skf18("3","8","7","1","7","7","1") = "7"
    & skf18("3","8","7","1","7","8","1") = "7"
    & skf18("3","8","7","1","7","9","1") = "8"
    & skf18("3","8","7","1","7","10","1") = "9"
    & skf18("3","8","7","1","8","1","1") = "7"
    & skf18("3","8","7","1","8","2","1") = "7"
    & skf18("3","8","7","1","8","3","1") = "7"
    & skf18("3","8","7","1","8","4","1") = "7"
    & skf18("3","8","7","1","8","5","1") = "7"
    & skf18("3","8","7","1","8","6","1") = "7"
    & skf18("3","8","7","1","8","7","1") = "7"
    & skf18("3","8","7","1","8","8","1") = "7"
    & skf18("3","8","7","1","8","9","1") = "8"
    & skf18("3","8","7","1","8","10","1") = "9"
    & skf18("3","8","7","1","9","1","1") = "8"
    & skf18("3","8","7","1","9","2","1") = "8"
    & skf18("3","8","7","1","9","3","1") = "8"
    & skf18("3","8","7","1","9","4","1") = "8"
    & skf18("3","8","7","1","9","5","1") = "8"
    & skf18("3","8","7","1","9","6","1") = "8"
    & skf18("3","8","7","1","9","7","1") = "8"
    & skf18("3","8","7","1","9","8","1") = "8"
    & skf18("3","8","7","1","9","9","1") = "8"
    & skf18("3","8","7","1","9","10","1") = "9"
    & skf18("3","8","7","1","10","1","1") = "9"
    & skf18("3","8","7","1","10","2","1") = "9"
    & skf18("3","8","7","1","10","3","1") = "9"
    & skf18("3","8","7","1","10","4","1") = "9"
    & skf18("3","8","7","1","10","5","1") = "9"
    & skf18("3","8","7","1","10","6","1") = "9"
    & skf18("3","8","7","1","10","7","1") = "9"
    & skf18("3","8","7","1","10","8","1") = "9"
    & skf18("3","8","7","1","10","9","1") = "9"
    & skf18("3","8","7","1","10","10","1") = "9"
    & skf18("3","8","7","2","1","1","1") = "7"
    & skf18("3","8","7","2","1","2","1") = "7"
    & skf18("3","8","7","2","1","3","1") = "7"
    & skf18("3","8","7","2","1","4","1") = "7"
    & skf18("3","8","7","2","1","5","1") = "7"
    & skf18("3","8","7","2","1","6","1") = "7"
    & skf18("3","8","7","2","1","7","1") = "7"
    & skf18("3","8","7","2","1","8","1") = "7"
    & skf18("3","8","7","2","1","9","1") = "8"
    & skf18("3","8","7","2","1","10","1") = "9"
    & skf18("3","8","7","2","2","1","1") = "7"
    & skf18("3","8","7","2","2","2","1") = "7"
    & skf18("3","8","7","2","2","3","1") = "7"
    & skf18("3","8","7","2","2","4","1") = "7"
    & skf18("3","8","7","2","2","5","1") = "7"
    & skf18("3","8","7","2","2","6","1") = "7"
    & skf18("3","8","7","2","2","7","1") = "7"
    & skf18("3","8","7","2","2","8","1") = "7"
    & skf18("3","8","7","2","2","9","1") = "8"
    & skf18("3","8","7","2","2","10","1") = "9"
    & skf18("3","8","7","2","3","1","1") = "7"
    & skf18("3","8","7","2","3","2","1") = "7"
    & skf18("3","8","7","2","3","3","1") = "7"
    & skf18("3","8","7","2","3","4","1") = "7"
    & skf18("3","8","7","2","3","5","1") = "7"
    & skf18("3","8","7","2","3","6","1") = "7"
    & skf18("3","8","7","2","3","7","1") = "7"
    & skf18("3","8","7","2","3","8","1") = "7"
    & skf18("3","8","7","2","3","9","1") = "8"
    & skf18("3","8","7","2","3","10","1") = "9"
    & skf18("3","8","7","2","4","1","1") = "7"
    & skf18("3","8","7","2","4","2","1") = "7"
    & skf18("3","8","7","2","4","3","1") = "7"
    & skf18("3","8","7","2","4","4","1") = "7"
    & skf18("3","8","7","2","4","5","1") = "7"
    & skf18("3","8","7","2","4","6","1") = "7"
    & skf18("3","8","7","2","4","7","1") = "7"
    & skf18("3","8","7","2","4","8","1") = "7"
    & skf18("3","8","7","2","4","9","1") = "8"
    & skf18("3","8","7","2","4","10","1") = "9"
    & skf18("3","8","7","2","5","1","1") = "7"
    & skf18("3","8","7","2","5","2","1") = "7"
    & skf18("3","8","7","2","5","3","1") = "7"
    & skf18("3","8","7","2","5","4","1") = "7"
    & skf18("3","8","7","2","5","5","1") = "7"
    & skf18("3","8","7","2","5","6","1") = "7"
    & skf18("3","8","7","2","5","7","1") = "7"
    & skf18("3","8","7","2","5","8","1") = "7"
    & skf18("3","8","7","2","5","9","1") = "8"
    & skf18("3","8","7","2","5","10","1") = "9"
    & skf18("3","8","7","2","6","1","1") = "7"
    & skf18("3","8","7","2","6","2","1") = "7"
    & skf18("3","8","7","2","6","3","1") = "7"
    & skf18("3","8","7","2","6","4","1") = "7"
    & skf18("3","8","7","2","6","5","1") = "7"
    & skf18("3","8","7","2","6","6","1") = "7"
    & skf18("3","8","7","2","6","7","1") = "7"
    & skf18("3","8","7","2","6","8","1") = "7"
    & skf18("3","8","7","2","6","9","1") = "8"
    & skf18("3","8","7","2","6","10","1") = "9"
    & skf18("3","8","7","2","7","1","1") = "7"
    & skf18("3","8","7","2","7","2","1") = "7"
    & skf18("3","8","7","2","7","3","1") = "7"
    & skf18("3","8","7","2","7","4","1") = "7"
    & skf18("3","8","7","2","7","5","1") = "7"
    & skf18("3","8","7","2","7","6","1") = "7"
    & skf18("3","8","7","2","7","7","1") = "7"
    & skf18("3","8","7","2","7","8","1") = "7"
    & skf18("3","8","7","2","7","9","1") = "8"
    & skf18("3","8","7","2","7","10","1") = "9"
    & skf18("3","8","7","2","8","1","1") = "7"
    & skf18("3","8","7","2","8","2","1") = "7"
    & skf18("3","8","7","2","8","3","1") = "7"
    & skf18("3","8","7","2","8","4","1") = "7"
    & skf18("3","8","7","2","8","5","1") = "7"
    & skf18("3","8","7","2","8","6","1") = "7"
    & skf18("3","8","7","2","8","7","1") = "7"
    & skf18("3","8","7","2","8","8","1") = "7"
    & skf18("3","8","7","2","8","9","1") = "8"
    & skf18("3","8","7","2","8","10","1") = "9"
    & skf18("3","8","7","2","9","1","1") = "8"
    & skf18("3","8","7","2","9","2","1") = "8"
    & skf18("3","8","7","2","9","3","1") = "8"
    & skf18("3","8","7","2","9","4","1") = "8"
    & skf18("3","8","7","2","9","5","1") = "8"
    & skf18("3","8","7","2","9","6","1") = "8"
    & skf18("3","8","7","2","9","7","1") = "8"
    & skf18("3","8","7","2","9","8","1") = "8"
    & skf18("3","8","7","2","9","9","1") = "8"
    & skf18("3","8","7","2","9","10","1") = "9"
    & skf18("3","8","7","2","10","1","1") = "9"
    & skf18("3","8","7","2","10","2","1") = "9"
    & skf18("3","8","7","2","10","3","1") = "9"
    & skf18("3","8","7","2","10","4","1") = "9"
    & skf18("3","8","7","2","10","5","1") = "9"
    & skf18("3","8","7","2","10","6","1") = "9"
    & skf18("3","8","7","2","10","7","1") = "9"
    & skf18("3","8","7","2","10","8","1") = "9"
    & skf18("3","8","7","2","10","9","1") = "9"
    & skf18("3","8","7","2","10","10","1") = "9"
    & skf18("3","8","7","3","1","1","1") = "7"
    & skf18("3","8","7","3","1","2","1") = "7"
    & skf18("3","8","7","3","1","3","1") = "7"
    & skf18("3","8","7","3","1","4","1") = "7"
    & skf18("3","8","7","3","1","5","1") = "7"
    & skf18("3","8","7","3","1","6","1") = "7"
    & skf18("3","8","7","3","1","7","1") = "7"
    & skf18("3","8","7","3","1","8","1") = "7"
    & skf18("3","8","7","3","1","9","1") = "8"
    & skf18("3","8","7","3","1","10","1") = "9"
    & skf18("3","8","7","3","2","1","1") = "7"
    & skf18("3","8","7","3","2","2","1") = "7"
    & skf18("3","8","7","3","2","3","1") = "7"
    & skf18("3","8","7","3","2","4","1") = "7"
    & skf18("3","8","7","3","2","5","1") = "7"
    & skf18("3","8","7","3","2","6","1") = "7"
    & skf18("3","8","7","3","2","7","1") = "7"
    & skf18("3","8","7","3","2","8","1") = "7"
    & skf18("3","8","7","3","2","9","1") = "8"
    & skf18("3","8","7","3","2","10","1") = "9"
    & skf18("3","8","7","3","3","1","1") = "7"
    & skf18("3","8","7","3","3","2","1") = "7"
    & skf18("3","8","7","3","3","3","1") = "7"
    & skf18("3","8","7","3","3","4","1") = "7"
    & skf18("3","8","7","3","3","5","1") = "7"
    & skf18("3","8","7","3","3","6","1") = "7"
    & skf18("3","8","7","3","3","7","1") = "7"
    & skf18("3","8","7","3","3","8","1") = "7"
    & skf18("3","8","7","3","3","9","1") = "8"
    & skf18("3","8","7","3","3","10","1") = "9"
    & skf18("3","8","7","3","4","1","1") = "7"
    & skf18("3","8","7","3","4","2","1") = "7"
    & skf18("3","8","7","3","4","3","1") = "7"
    & skf18("3","8","7","3","4","4","1") = "7"
    & skf18("3","8","7","3","4","5","1") = "7"
    & skf18("3","8","7","3","4","6","1") = "7"
    & skf18("3","8","7","3","4","7","1") = "7"
    & skf18("3","8","7","3","4","8","1") = "7"
    & skf18("3","8","7","3","4","9","1") = "8"
    & skf18("3","8","7","3","4","10","1") = "9"
    & skf18("3","8","7","3","5","1","1") = "7"
    & skf18("3","8","7","3","5","2","1") = "7"
    & skf18("3","8","7","3","5","3","1") = "7"
    & skf18("3","8","7","3","5","4","1") = "7"
    & skf18("3","8","7","3","5","5","1") = "7"
    & skf18("3","8","7","3","5","6","1") = "7"
    & skf18("3","8","7","3","5","7","1") = "7"
    & skf18("3","8","7","3","5","8","1") = "7"
    & skf18("3","8","7","3","5","9","1") = "8"
    & skf18("3","8","7","3","5","10","1") = "9"
    & skf18("3","8","7","3","6","1","1") = "7"
    & skf18("3","8","7","3","6","2","1") = "7"
    & skf18("3","8","7","3","6","3","1") = "7"
    & skf18("3","8","7","3","6","4","1") = "7"
    & skf18("3","8","7","3","6","5","1") = "7"
    & skf18("3","8","7","3","6","6","1") = "7"
    & skf18("3","8","7","3","6","7","1") = "7"
    & skf18("3","8","7","3","6","8","1") = "7"
    & skf18("3","8","7","3","6","9","1") = "8"
    & skf18("3","8","7","3","6","10","1") = "9"
    & skf18("3","8","7","3","7","1","1") = "7"
    & skf18("3","8","7","3","7","2","1") = "7"
    & skf18("3","8","7","3","7","3","1") = "7"
    & skf18("3","8","7","3","7","4","1") = "7"
    & skf18("3","8","7","3","7","5","1") = "7"
    & skf18("3","8","7","3","7","6","1") = "7"
    & skf18("3","8","7","3","7","7","1") = "7"
    & skf18("3","8","7","3","7","8","1") = "7"
    & skf18("3","8","7","3","7","9","1") = "8"
    & skf18("3","8","7","3","7","10","1") = "9"
    & skf18("3","8","7","3","8","1","1") = "7"
    & skf18("3","8","7","3","8","2","1") = "7"
    & skf18("3","8","7","3","8","3","1") = "7"
    & skf18("3","8","7","3","8","4","1") = "7"
    & skf18("3","8","7","3","8","5","1") = "7"
    & skf18("3","8","7","3","8","6","1") = "7"
    & skf18("3","8","7","3","8","7","1") = "7"
    & skf18("3","8","7","3","8","8","1") = "7"
    & skf18("3","8","7","3","8","9","1") = "8"
    & skf18("3","8","7","3","8","10","1") = "9"
    & skf18("3","8","7","3","9","1","1") = "8"
    & skf18("3","8","7","3","9","2","1") = "8"
    & skf18("3","8","7","3","9","3","1") = "8"
    & skf18("3","8","7","3","9","4","1") = "8"
    & skf18("3","8","7","3","9","5","1") = "8"
    & skf18("3","8","7","3","9","6","1") = "8"
    & skf18("3","8","7","3","9","7","1") = "8"
    & skf18("3","8","7","3","9","8","1") = "8"
    & skf18("3","8","7","3","9","9","1") = "8"
    & skf18("3","8","7","3","9","10","1") = "9"
    & skf18("3","8","7","3","10","1","1") = "9"
    & skf18("3","8","7","3","10","2","1") = "9"
    & skf18("3","8","7","3","10","3","1") = "9"
    & skf18("3","8","7","3","10","4","1") = "9"
    & skf18("3","8","7","3","10","5","1") = "9"
    & skf18("3","8","7","3","10","6","1") = "9"
    & skf18("3","8","7","3","10","7","1") = "9"
    & skf18("3","8","7","3","10","8","1") = "9"
    & skf18("3","8","7","3","10","9","1") = "9"
    & skf18("3","8","7","3","10","10","1") = "9"
    & skf18("3","8","7","4","1","1","1") = "7"
    & skf18("3","8","7","4","1","2","1") = "7"
    & skf18("3","8","7","4","1","3","1") = "7"
    & skf18("3","8","7","4","1","4","1") = "7"
    & skf18("3","8","7","4","1","5","1") = "7"
    & skf18("3","8","7","4","1","6","1") = "7"
    & skf18("3","8","7","4","1","7","1") = "7"
    & skf18("3","8","7","4","1","8","1") = "7"
    & skf18("3","8","7","4","1","9","1") = "8"
    & skf18("3","8","7","4","1","10","1") = "9"
    & skf18("3","8","7","4","2","1","1") = "7"
    & skf18("3","8","7","4","2","2","1") = "7"
    & skf18("3","8","7","4","2","3","1") = "7"
    & skf18("3","8","7","4","2","4","1") = "7"
    & skf18("3","8","7","4","2","5","1") = "7"
    & skf18("3","8","7","4","2","6","1") = "7"
    & skf18("3","8","7","4","2","7","1") = "7"
    & skf18("3","8","7","4","2","8","1") = "7"
    & skf18("3","8","7","4","2","9","1") = "8"
    & skf18("3","8","7","4","2","10","1") = "9"
    & skf18("3","8","7","4","3","1","1") = "7"
    & skf18("3","8","7","4","3","2","1") = "7"
    & skf18("3","8","7","4","3","3","1") = "7"
    & skf18("3","8","7","4","3","4","1") = "7"
    & skf18("3","8","7","4","3","5","1") = "7"
    & skf18("3","8","7","4","3","6","1") = "7"
    & skf18("3","8","7","4","3","7","1") = "7"
    & skf18("3","8","7","4","3","8","1") = "7"
    & skf18("3","8","7","4","3","9","1") = "8"
    & skf18("3","8","7","4","3","10","1") = "9"
    & skf18("3","8","7","4","4","1","1") = "7"
    & skf18("3","8","7","4","4","2","1") = "7"
    & skf18("3","8","7","4","4","3","1") = "7"
    & skf18("3","8","7","4","4","4","1") = "7"
    & skf18("3","8","7","4","4","5","1") = "7"
    & skf18("3","8","7","4","4","6","1") = "7"
    & skf18("3","8","7","4","4","7","1") = "7"
    & skf18("3","8","7","4","4","8","1") = "7"
    & skf18("3","8","7","4","4","9","1") = "8"
    & skf18("3","8","7","4","4","10","1") = "9"
    & skf18("3","8","7","4","5","1","1") = "7"
    & skf18("3","8","7","4","5","2","1") = "7"
    & skf18("3","8","7","4","5","3","1") = "7"
    & skf18("3","8","7","4","5","4","1") = "7"
    & skf18("3","8","7","4","5","5","1") = "7"
    & skf18("3","8","7","4","5","6","1") = "7"
    & skf18("3","8","7","4","5","7","1") = "7"
    & skf18("3","8","7","4","5","8","1") = "7"
    & skf18("3","8","7","4","5","9","1") = "8"
    & skf18("3","8","7","4","5","10","1") = "9"
    & skf18("3","8","7","4","6","1","1") = "7"
    & skf18("3","8","7","4","6","2","1") = "7"
    & skf18("3","8","7","4","6","3","1") = "7"
    & skf18("3","8","7","4","6","4","1") = "7"
    & skf18("3","8","7","4","6","5","1") = "7"
    & skf18("3","8","7","4","6","6","1") = "7"
    & skf18("3","8","7","4","6","7","1") = "7"
    & skf18("3","8","7","4","6","8","1") = "7"
    & skf18("3","8","7","4","6","9","1") = "8"
    & skf18("3","8","7","4","6","10","1") = "9"
    & skf18("3","8","7","4","7","1","1") = "7"
    & skf18("3","8","7","4","7","2","1") = "7"
    & skf18("3","8","7","4","7","3","1") = "7"
    & skf18("3","8","7","4","7","4","1") = "7"
    & skf18("3","8","7","4","7","5","1") = "7"
    & skf18("3","8","7","4","7","6","1") = "7"
    & skf18("3","8","7","4","7","7","1") = "7"
    & skf18("3","8","7","4","7","8","1") = "7"
    & skf18("3","8","7","4","7","9","1") = "8"
    & skf18("3","8","7","4","7","10","1") = "9"
    & skf18("3","8","7","4","8","1","1") = "7"
    & skf18("3","8","7","4","8","2","1") = "7"
    & skf18("3","8","7","4","8","3","1") = "7"
    & skf18("3","8","7","4","8","4","1") = "7"
    & skf18("3","8","7","4","8","5","1") = "7"
    & skf18("3","8","7","4","8","6","1") = "7"
    & skf18("3","8","7","4","8","7","1") = "7"
    & skf18("3","8","7","4","8","8","1") = "7"
    & skf18("3","8","7","4","8","9","1") = "8"
    & skf18("3","8","7","4","8","10","1") = "9"
    & skf18("3","8","7","4","9","1","1") = "8"
    & skf18("3","8","7","4","9","2","1") = "8"
    & skf18("3","8","7","4","9","3","1") = "8"
    & skf18("3","8","7","4","9","4","1") = "8"
    & skf18("3","8","7","4","9","5","1") = "8"
    & skf18("3","8","7","4","9","6","1") = "8"
    & skf18("3","8","7","4","9","7","1") = "8"
    & skf18("3","8","7","4","9","8","1") = "8"
    & skf18("3","8","7","4","9","9","1") = "8"
    & skf18("3","8","7","4","9","10","1") = "9"
    & skf18("3","8","7","4","10","1","1") = "9"
    & skf18("3","8","7","4","10","2","1") = "9"
    & skf18("3","8","7","4","10","3","1") = "9"
    & skf18("3","8","7","4","10","4","1") = "9"
    & skf18("3","8","7","4","10","5","1") = "9"
    & skf18("3","8","7","4","10","6","1") = "9"
    & skf18("3","8","7","4","10","7","1") = "9"
    & skf18("3","8","7","4","10","8","1") = "9"
    & skf18("3","8","7","4","10","9","1") = "9"
    & skf18("3","8","7","4","10","10","1") = "9"
    & skf18("3","8","7","5","1","1","1") = "7"
    & skf18("3","8","7","5","1","2","1") = "7"
    & skf18("3","8","7","5","1","3","1") = "7"
    & skf18("3","8","7","5","1","4","1") = "7"
    & skf18("3","8","7","5","1","5","1") = "7"
    & skf18("3","8","7","5","1","6","1") = "7"
    & skf18("3","8","7","5","1","7","1") = "7"
    & skf18("3","8","7","5","1","8","1") = "7"
    & skf18("3","8","7","5","1","9","1") = "8"
    & skf18("3","8","7","5","1","10","1") = "9"
    & skf18("3","8","7","5","2","1","1") = "7"
    & skf18("3","8","7","5","2","2","1") = "7"
    & skf18("3","8","7","5","2","3","1") = "7"
    & skf18("3","8","7","5","2","4","1") = "7"
    & skf18("3","8","7","5","2","5","1") = "7"
    & skf18("3","8","7","5","2","6","1") = "7"
    & skf18("3","8","7","5","2","7","1") = "7"
    & skf18("3","8","7","5","2","8","1") = "7"
    & skf18("3","8","7","5","2","9","1") = "8"
    & skf18("3","8","7","5","2","10","1") = "9"
    & skf18("3","8","7","5","3","1","1") = "7"
    & skf18("3","8","7","5","3","2","1") = "7"
    & skf18("3","8","7","5","3","3","1") = "7"
    & skf18("3","8","7","5","3","4","1") = "7"
    & skf18("3","8","7","5","3","5","1") = "7"
    & skf18("3","8","7","5","3","6","1") = "7"
    & skf18("3","8","7","5","3","7","1") = "7"
    & skf18("3","8","7","5","3","8","1") = "7"
    & skf18("3","8","7","5","3","9","1") = "8"
    & skf18("3","8","7","5","3","10","1") = "9"
    & skf18("3","8","7","5","4","1","1") = "7"
    & skf18("3","8","7","5","4","2","1") = "7"
    & skf18("3","8","7","5","4","3","1") = "7"
    & skf18("3","8","7","5","4","4","1") = "7"
    & skf18("3","8","7","5","4","5","1") = "7"
    & skf18("3","8","7","5","4","6","1") = "7"
    & skf18("3","8","7","5","4","7","1") = "7"
    & skf18("3","8","7","5","4","8","1") = "7"
    & skf18("3","8","7","5","4","9","1") = "8"
    & skf18("3","8","7","5","4","10","1") = "9"
    & skf18("3","8","7","5","5","1","1") = "7"
    & skf18("3","8","7","5","5","2","1") = "7"
    & skf18("3","8","7","5","5","3","1") = "7"
    & skf18("3","8","7","5","5","4","1") = "7"
    & skf18("3","8","7","5","5","5","1") = "7"
    & skf18("3","8","7","5","5","6","1") = "7"
    & skf18("3","8","7","5","5","7","1") = "7"
    & skf18("3","8","7","5","5","8","1") = "7"
    & skf18("3","8","7","5","5","9","1") = "8"
    & skf18("3","8","7","5","5","10","1") = "9"
    & skf18("3","8","7","5","6","1","1") = "7"
    & skf18("3","8","7","5","6","2","1") = "7"
    & skf18("3","8","7","5","6","3","1") = "7"
    & skf18("3","8","7","5","6","4","1") = "7"
    & skf18("3","8","7","5","6","5","1") = "7"
    & skf18("3","8","7","5","6","6","1") = "7"
    & skf18("3","8","7","5","6","7","1") = "7"
    & skf18("3","8","7","5","6","8","1") = "7"
    & skf18("3","8","7","5","6","9","1") = "8"
    & skf18("3","8","7","5","6","10","1") = "9"
    & skf18("3","8","7","5","7","1","1") = "7"
    & skf18("3","8","7","5","7","2","1") = "7"
    & skf18("3","8","7","5","7","3","1") = "7"
    & skf18("3","8","7","5","7","4","1") = "7"
    & skf18("3","8","7","5","7","5","1") = "7"
    & skf18("3","8","7","5","7","6","1") = "7"
    & skf18("3","8","7","5","7","7","1") = "7"
    & skf18("3","8","7","5","7","8","1") = "7"
    & skf18("3","8","7","5","7","9","1") = "8"
    & skf18("3","8","7","5","7","10","1") = "9"
    & skf18("3","8","7","5","8","1","1") = "7"
    & skf18("3","8","7","5","8","2","1") = "7"
    & skf18("3","8","7","5","8","3","1") = "7"
    & skf18("3","8","7","5","8","4","1") = "7"
    & skf18("3","8","7","5","8","5","1") = "7"
    & skf18("3","8","7","5","8","6","1") = "7"
    & skf18("3","8","7","5","8","7","1") = "7"
    & skf18("3","8","7","5","8","8","1") = "7"
    & skf18("3","8","7","5","8","9","1") = "8"
    & skf18("3","8","7","5","8","10","1") = "9"
    & skf18("3","8","7","5","9","1","1") = "8"
    & skf18("3","8","7","5","9","2","1") = "8"
    & skf18("3","8","7","5","9","3","1") = "8"
    & skf18("3","8","7","5","9","4","1") = "8"
    & skf18("3","8","7","5","9","5","1") = "8"
    & skf18("3","8","7","5","9","6","1") = "8"
    & skf18("3","8","7","5","9","7","1") = "8"
    & skf18("3","8","7","5","9","8","1") = "8"
    & skf18("3","8","7","5","9","9","1") = "8"
    & skf18("3","8","7","5","9","10","1") = "9"
    & skf18("3","8","7","5","10","1","1") = "9"
    & skf18("3","8","7","5","10","2","1") = "9"
    & skf18("3","8","7","5","10","3","1") = "9"
    & skf18("3","8","7","5","10","4","1") = "9"
    & skf18("3","8","7","5","10","5","1") = "9"
    & skf18("3","8","7","5","10","6","1") = "9"
    & skf18("3","8","7","5","10","7","1") = "9"
    & skf18("3","8","7","5","10","8","1") = "9"
    & skf18("3","8","7","5","10","9","1") = "9"
    & skf18("3","8","7","5","10","10","1") = "9"
    & skf18("3","8","7","6","1","1","1") = "7"
    & skf18("3","8","7","6","1","2","1") = "7"
    & skf18("3","8","7","6","1","3","1") = "7"
    & skf18("3","8","7","6","1","4","1") = "7"
    & skf18("3","8","7","6","1","5","1") = "7"
    & skf18("3","8","7","6","1","6","1") = "7"
    & skf18("3","8","7","6","1","7","1") = "7"
    & skf18("3","8","7","6","1","8","1") = "7"
    & skf18("3","8","7","6","1","9","1") = "8"
    & skf18("3","8","7","6","1","10","1") = "9"
    & skf18("3","8","7","6","2","1","1") = "7"
    & skf18("3","8","7","6","2","2","1") = "7"
    & skf18("3","8","7","6","2","3","1") = "7"
    & skf18("3","8","7","6","2","4","1") = "7"
    & skf18("3","8","7","6","2","5","1") = "7"
    & skf18("3","8","7","6","2","6","1") = "7"
    & skf18("3","8","7","6","2","7","1") = "7"
    & skf18("3","8","7","6","2","8","1") = "7"
    & skf18("3","8","7","6","2","9","1") = "8"
    & skf18("3","8","7","6","2","10","1") = "9"
    & skf18("3","8","7","6","3","1","1") = "7"
    & skf18("3","8","7","6","3","2","1") = "7"
    & skf18("3","8","7","6","3","3","1") = "7"
    & skf18("3","8","7","6","3","4","1") = "7"
    & skf18("3","8","7","6","3","5","1") = "7"
    & skf18("3","8","7","6","3","6","1") = "7"
    & skf18("3","8","7","6","3","7","1") = "7"
    & skf18("3","8","7","6","3","8","1") = "7"
    & skf18("3","8","7","6","3","9","1") = "8"
    & skf18("3","8","7","6","3","10","1") = "9"
    & skf18("3","8","7","6","4","1","1") = "7"
    & skf18("3","8","7","6","4","2","1") = "7"
    & skf18("3","8","7","6","4","3","1") = "7"
    & skf18("3","8","7","6","4","4","1") = "7"
    & skf18("3","8","7","6","4","5","1") = "7"
    & skf18("3","8","7","6","4","6","1") = "7"
    & skf18("3","8","7","6","4","7","1") = "7"
    & skf18("3","8","7","6","4","8","1") = "7"
    & skf18("3","8","7","6","4","9","1") = "8"
    & skf18("3","8","7","6","4","10","1") = "9"
    & skf18("3","8","7","6","5","1","1") = "7"
    & skf18("3","8","7","6","5","2","1") = "7"
    & skf18("3","8","7","6","5","3","1") = "7"
    & skf18("3","8","7","6","5","4","1") = "7"
    & skf18("3","8","7","6","5","5","1") = "7"
    & skf18("3","8","7","6","5","6","1") = "7"
    & skf18("3","8","7","6","5","7","1") = "7"
    & skf18("3","8","7","6","5","8","1") = "7"
    & skf18("3","8","7","6","5","9","1") = "8"
    & skf18("3","8","7","6","5","10","1") = "9"
    & skf18("3","8","7","6","6","1","1") = "7"
    & skf18("3","8","7","6","6","2","1") = "7"
    & skf18("3","8","7","6","6","3","1") = "7"
    & skf18("3","8","7","6","6","4","1") = "7"
    & skf18("3","8","7","6","6","5","1") = "7"
    & skf18("3","8","7","6","6","6","1") = "7"
    & skf18("3","8","7","6","6","7","1") = "7"
    & skf18("3","8","7","6","6","8","1") = "7"
    & skf18("3","8","7","6","6","9","1") = "8"
    & skf18("3","8","7","6","6","10","1") = "9"
    & skf18("3","8","7","6","7","1","1") = "7"
    & skf18("3","8","7","6","7","2","1") = "7"
    & skf18("3","8","7","6","7","3","1") = "7"
    & skf18("3","8","7","6","7","4","1") = "7"
    & skf18("3","8","7","6","7","5","1") = "7"
    & skf18("3","8","7","6","7","6","1") = "7"
    & skf18("3","8","7","6","7","7","1") = "7"
    & skf18("3","8","7","6","7","8","1") = "7"
    & skf18("3","8","7","6","7","9","1") = "8"
    & skf18("3","8","7","6","7","10","1") = "9"
    & skf18("3","8","7","6","8","1","1") = "7"
    & skf18("3","8","7","6","8","2","1") = "7"
    & skf18("3","8","7","6","8","3","1") = "7"
    & skf18("3","8","7","6","8","4","1") = "7"
    & skf18("3","8","7","6","8","5","1") = "7"
    & skf18("3","8","7","6","8","6","1") = "7"
    & skf18("3","8","7","6","8","7","1") = "7"
    & skf18("3","8","7","6","8","8","1") = "7"
    & skf18("3","8","7","6","8","9","1") = "8"
    & skf18("3","8","7","6","8","10","1") = "9"
    & skf18("3","8","7","6","9","1","1") = "8"
    & skf18("3","8","7","6","9","2","1") = "8"
    & skf18("3","8","7","6","9","3","1") = "8"
    & skf18("3","8","7","6","9","4","1") = "8"
    & skf18("3","8","7","6","9","5","1") = "8"
    & skf18("3","8","7","6","9","6","1") = "8"
    & skf18("3","8","7","6","9","7","1") = "8"
    & skf18("3","8","7","6","9","8","1") = "8"
    & skf18("3","8","7","6","9","9","1") = "8"
    & skf18("3","8","7","6","9","10","1") = "9"
    & skf18("3","8","7","6","10","1","1") = "9"
    & skf18("3","8","7","6","10","2","1") = "9"
    & skf18("3","8","7","6","10","3","1") = "9"
    & skf18("3","8","7","6","10","4","1") = "9"
    & skf18("3","8","7","6","10","5","1") = "9"
    & skf18("3","8","7","6","10","6","1") = "9"
    & skf18("3","8","7","6","10","7","1") = "9"
    & skf18("3","8","7","6","10","8","1") = "9"
    & skf18("3","8","7","6","10","9","1") = "9"
    & skf18("3","8","7","6","10","10","1") = "9"
    & skf18("3","8","7","7","1","1","1") = "7"
    & skf18("3","8","7","7","1","2","1") = "7"
    & skf18("3","8","7","7","1","3","1") = "7"
    & skf18("3","8","7","7","1","4","1") = "7"
    & skf18("3","8","7","7","1","5","1") = "7"
    & skf18("3","8","7","7","1","6","1") = "7"
    & skf18("3","8","7","7","1","7","1") = "7"
    & skf18("3","8","7","7","1","8","1") = "7"
    & skf18("3","8","7","7","1","9","1") = "8"
    & skf18("3","8","7","7","1","10","1") = "9"
    & skf18("3","8","7","7","2","1","1") = "7"
    & skf18("3","8","7","7","2","2","1") = "7"
    & skf18("3","8","7","7","2","3","1") = "7"
    & skf18("3","8","7","7","2","4","1") = "7"
    & skf18("3","8","7","7","2","5","1") = "7"
    & skf18("3","8","7","7","2","6","1") = "7"
    & skf18("3","8","7","7","2","7","1") = "7"
    & skf18("3","8","7","7","2","8","1") = "7"
    & skf18("3","8","7","7","2","9","1") = "8"
    & skf18("3","8","7","7","2","10","1") = "9"
    & skf18("3","8","7","7","3","1","1") = "7"
    & skf18("3","8","7","7","3","2","1") = "7"
    & skf18("3","8","7","7","3","3","1") = "7"
    & skf18("3","8","7","7","3","4","1") = "7"
    & skf18("3","8","7","7","3","5","1") = "7"
    & skf18("3","8","7","7","3","6","1") = "7"
    & skf18("3","8","7","7","3","7","1") = "7"
    & skf18("3","8","7","7","3","8","1") = "7"
    & skf18("3","8","7","7","3","9","1") = "8"
    & skf18("3","8","7","7","3","10","1") = "9"
    & skf18("3","8","7","7","4","1","1") = "7"
    & skf18("3","8","7","7","4","2","1") = "7"
    & skf18("3","8","7","7","4","3","1") = "7"
    & skf18("3","8","7","7","4","4","1") = "7"
    & skf18("3","8","7","7","4","5","1") = "7"
    & skf18("3","8","7","7","4","6","1") = "7"
    & skf18("3","8","7","7","4","7","1") = "7"
    & skf18("3","8","7","7","4","8","1") = "7"
    & skf18("3","8","7","7","4","9","1") = "8"
    & skf18("3","8","7","7","4","10","1") = "9"
    & skf18("3","8","7","7","5","1","1") = "7"
    & skf18("3","8","7","7","5","2","1") = "7"
    & skf18("3","8","7","7","5","3","1") = "7"
    & skf18("3","8","7","7","5","4","1") = "7"
    & skf18("3","8","7","7","5","5","1") = "7"
    & skf18("3","8","7","7","5","6","1") = "7"
    & skf18("3","8","7","7","5","7","1") = "7"
    & skf18("3","8","7","7","5","8","1") = "7"
    & skf18("3","8","7","7","5","9","1") = "8"
    & skf18("3","8","7","7","5","10","1") = "9"
    & skf18("3","8","7","7","6","1","1") = "7"
    & skf18("3","8","7","7","6","2","1") = "7"
    & skf18("3","8","7","7","6","3","1") = "7"
    & skf18("3","8","7","7","6","4","1") = "7"
    & skf18("3","8","7","7","6","5","1") = "7"
    & skf18("3","8","7","7","6","6","1") = "7"
    & skf18("3","8","7","7","6","7","1") = "7"
    & skf18("3","8","7","7","6","8","1") = "7"
    & skf18("3","8","7","7","6","9","1") = "8"
    & skf18("3","8","7","7","6","10","1") = "9"
    & skf18("3","8","7","7","7","1","1") = "7"
    & skf18("3","8","7","7","7","2","1") = "7"
    & skf18("3","8","7","7","7","3","1") = "7"
    & skf18("3","8","7","7","7","4","1") = "7"
    & skf18("3","8","7","7","7","5","1") = "7"
    & skf18("3","8","7","7","7","6","1") = "7"
    & skf18("3","8","7","7","7","7","1") = "7"
    & skf18("3","8","7","7","7","8","1") = "7"
    & skf18("3","8","7","7","7","9","1") = "8"
    & skf18("3","8","7","7","7","10","1") = "9"
    & skf18("3","8","7","7","8","1","1") = "7"
    & skf18("3","8","7","7","8","2","1") = "7"
    & skf18("3","8","7","7","8","3","1") = "7"
    & skf18("3","8","7","7","8","4","1") = "7"
    & skf18("3","8","7","7","8","5","1") = "7"
    & skf18("3","8","7","7","8","6","1") = "7"
    & skf18("3","8","7","7","8","7","1") = "7"
    & skf18("3","8","7","7","8","8","1") = "7"
    & skf18("3","8","7","7","8","9","1") = "8"
    & skf18("3","8","7","7","8","10","1") = "9"
    & skf18("3","8","7","7","9","1","1") = "8"
    & skf18("3","8","7","7","9","2","1") = "8"
    & skf18("3","8","7","7","9","3","1") = "8"
    & skf18("3","8","7","7","9","4","1") = "8"
    & skf18("3","8","7","7","9","5","1") = "8"
    & skf18("3","8","7","7","9","6","1") = "8"
    & skf18("3","8","7","7","9","7","1") = "8"
    & skf18("3","8","7","7","9","8","1") = "8"
    & skf18("3","8","7","7","9","9","1") = "8"
    & skf18("3","8","7","7","9","10","1") = "9"
    & skf18("3","8","7","7","10","1","1") = "9"
    & skf18("3","8","7","7","10","2","1") = "9"
    & skf18("3","8","7","7","10","3","1") = "9"
    & skf18("3","8","7","7","10","4","1") = "9"
    & skf18("3","8","7","7","10","5","1") = "9"
    & skf18("3","8","7","7","10","6","1") = "9"
    & skf18("3","8","7","7","10","7","1") = "9"
    & skf18("3","8","7","7","10","8","1") = "9"
    & skf18("3","8","7","7","10","9","1") = "9"
    & skf18("3","8","7","7","10","10","1") = "9"
    & skf18("3","8","7","8","1","1","1") = "7"
    & skf18("3","8","7","8","1","2","1") = "7"
    & skf18("3","8","7","8","1","3","1") = "7"
    & skf18("3","8","7","8","1","4","1") = "7"
    & skf18("3","8","7","8","1","5","1") = "7"
    & skf18("3","8","7","8","1","6","1") = "7"
    & skf18("3","8","7","8","1","7","1") = "7"
    & skf18("3","8","7","8","1","8","1") = "7"
    & skf18("3","8","7","8","1","9","1") = "8"
    & skf18("3","8","7","8","1","10","1") = "9"
    & skf18("3","8","7","8","2","1","1") = "7"
    & skf18("3","8","7","8","2","2","1") = "7"
    & skf18("3","8","7","8","2","3","1") = "7"
    & skf18("3","8","7","8","2","4","1") = "7"
    & skf18("3","8","7","8","2","5","1") = "7"
    & skf18("3","8","7","8","2","6","1") = "7"
    & skf18("3","8","7","8","2","7","1") = "7"
    & skf18("3","8","7","8","2","8","1") = "7"
    & skf18("3","8","7","8","2","9","1") = "8"
    & skf18("3","8","7","8","2","10","1") = "9"
    & skf18("3","8","7","8","3","1","1") = "7"
    & skf18("3","8","7","8","3","2","1") = "7"
    & skf18("3","8","7","8","3","3","1") = "7"
    & skf18("3","8","7","8","3","4","1") = "7"
    & skf18("3","8","7","8","3","5","1") = "7"
    & skf18("3","8","7","8","3","6","1") = "7"
    & skf18("3","8","7","8","3","7","1") = "7"
    & skf18("3","8","7","8","3","8","1") = "7"
    & skf18("3","8","7","8","3","9","1") = "8"
    & skf18("3","8","7","8","3","10","1") = "9"
    & skf18("3","8","7","8","4","1","1") = "7"
    & skf18("3","8","7","8","4","2","1") = "7"
    & skf18("3","8","7","8","4","3","1") = "7"
    & skf18("3","8","7","8","4","4","1") = "7"
    & skf18("3","8","7","8","4","5","1") = "7"
    & skf18("3","8","7","8","4","6","1") = "7"
    & skf18("3","8","7","8","4","7","1") = "7"
    & skf18("3","8","7","8","4","8","1") = "7"
    & skf18("3","8","7","8","4","9","1") = "8"
    & skf18("3","8","7","8","4","10","1") = "9"
    & skf18("3","8","7","8","5","1","1") = "7"
    & skf18("3","8","7","8","5","2","1") = "7"
    & skf18("3","8","7","8","5","3","1") = "7"
    & skf18("3","8","7","8","5","4","1") = "7"
    & skf18("3","8","7","8","5","5","1") = "7"
    & skf18("3","8","7","8","5","6","1") = "7"
    & skf18("3","8","7","8","5","7","1") = "7"
    & skf18("3","8","7","8","5","8","1") = "7"
    & skf18("3","8","7","8","5","9","1") = "8"
    & skf18("3","8","7","8","5","10","1") = "9"
    & skf18("3","8","7","8","6","1","1") = "7"
    & skf18("3","8","7","8","6","2","1") = "7"
    & skf18("3","8","7","8","6","3","1") = "7"
    & skf18("3","8","7","8","6","4","1") = "7"
    & skf18("3","8","7","8","6","5","1") = "7"
    & skf18("3","8","7","8","6","6","1") = "7"
    & skf18("3","8","7","8","6","7","1") = "7"
    & skf18("3","8","7","8","6","8","1") = "7"
    & skf18("3","8","7","8","6","9","1") = "8"
    & skf18("3","8","7","8","6","10","1") = "9"
    & skf18("3","8","7","8","7","1","1") = "7"
    & skf18("3","8","7","8","7","2","1") = "7"
    & skf18("3","8","7","8","7","3","1") = "7"
    & skf18("3","8","7","8","7","4","1") = "7"
    & skf18("3","8","7","8","7","5","1") = "7"
    & skf18("3","8","7","8","7","6","1") = "7"
    & skf18("3","8","7","8","7","7","1") = "7"
    & skf18("3","8","7","8","7","8","1") = "7"
    & skf18("3","8","7","8","7","9","1") = "8"
    & skf18("3","8","7","8","7","10","1") = "9"
    & skf18("3","8","7","8","8","1","1") = "7"
    & skf18("3","8","7","8","8","2","1") = "7"
    & skf18("3","8","7","8","8","3","1") = "7"
    & skf18("3","8","7","8","8","4","1") = "7"
    & skf18("3","8","7","8","8","5","1") = "7"
    & skf18("3","8","7","8","8","6","1") = "7"
    & skf18("3","8","7","8","8","7","1") = "7"
    & skf18("3","8","7","8","8","8","1") = "7"
    & skf18("3","8","7","8","8","9","1") = "8"
    & skf18("3","8","7","8","8","10","1") = "9"
    & skf18("3","8","7","8","9","1","1") = "8"
    & skf18("3","8","7","8","9","2","1") = "8"
    & skf18("3","8","7","8","9","3","1") = "8"
    & skf18("3","8","7","8","9","4","1") = "8"
    & skf18("3","8","7","8","9","5","1") = "8"
    & skf18("3","8","7","8","9","6","1") = "8"
    & skf18("3","8","7","8","9","7","1") = "8"
    & skf18("3","8","7","8","9","8","1") = "8"
    & skf18("3","8","7","8","9","9","1") = "8"
    & skf18("3","8","7","8","9","10","1") = "9"
    & skf18("3","8","7","8","10","1","1") = "9"
    & skf18("3","8","7","8","10","2","1") = "9"
    & skf18("3","8","7","8","10","3","1") = "9"
    & skf18("3","8","7","8","10","4","1") = "9"
    & skf18("3","8","7","8","10","5","1") = "9"
    & skf18("3","8","7","8","10","6","1") = "9"
    & skf18("3","8","7","8","10","7","1") = "9"
    & skf18("3","8","7","8","10","8","1") = "9"
    & skf18("3","8","7","8","10","9","1") = "9"
    & skf18("3","8","7","8","10","10","1") = "9"
    & skf18("3","8","7","9","1","1","1") = "8"
    & skf18("3","8","7","9","1","2","1") = "8"
    & skf18("3","8","7","9","1","3","1") = "8"
    & skf18("3","8","7","9","1","4","1") = "8"
    & skf18("3","8","7","9","1","5","1") = "8"
    & skf18("3","8","7","9","1","6","1") = "8"
    & skf18("3","8","7","9","1","7","1") = "8"
    & skf18("3","8","7","9","1","8","1") = "8"
    & skf18("3","8","7","9","1","9","1") = "8"
    & skf18("3","8","7","9","1","10","1") = "9"
    & skf18("3","8","7","9","2","1","1") = "8"
    & skf18("3","8","7","9","2","2","1") = "8"
    & skf18("3","8","7","9","2","3","1") = "8"
    & skf18("3","8","7","9","2","4","1") = "8"
    & skf18("3","8","7","9","2","5","1") = "8"
    & skf18("3","8","7","9","2","6","1") = "8"
    & skf18("3","8","7","9","2","7","1") = "8"
    & skf18("3","8","7","9","2","8","1") = "8"
    & skf18("3","8","7","9","2","9","1") = "8"
    & skf18("3","8","7","9","2","10","1") = "9"
    & skf18("3","8","7","9","3","1","1") = "8"
    & skf18("3","8","7","9","3","2","1") = "8"
    & skf18("3","8","7","9","3","3","1") = "8"
    & skf18("3","8","7","9","3","4","1") = "8"
    & skf18("3","8","7","9","3","5","1") = "8"
    & skf18("3","8","7","9","3","6","1") = "8"
    & skf18("3","8","7","9","3","7","1") = "8"
    & skf18("3","8","7","9","3","8","1") = "8"
    & skf18("3","8","7","9","3","9","1") = "8"
    & skf18("3","8","7","9","3","10","1") = "9"
    & skf18("3","8","7","9","4","1","1") = "8"
    & skf18("3","8","7","9","4","2","1") = "8"
    & skf18("3","8","7","9","4","3","1") = "8"
    & skf18("3","8","7","9","4","4","1") = "8"
    & skf18("3","8","7","9","4","5","1") = "8"
    & skf18("3","8","7","9","4","6","1") = "8"
    & skf18("3","8","7","9","4","7","1") = "8"
    & skf18("3","8","7","9","4","8","1") = "8"
    & skf18("3","8","7","9","4","9","1") = "8"
    & skf18("3","8","7","9","4","10","1") = "9"
    & skf18("3","8","7","9","5","1","1") = "8"
    & skf18("3","8","7","9","5","2","1") = "8"
    & skf18("3","8","7","9","5","3","1") = "8"
    & skf18("3","8","7","9","5","4","1") = "8"
    & skf18("3","8","7","9","5","5","1") = "8"
    & skf18("3","8","7","9","5","6","1") = "8"
    & skf18("3","8","7","9","5","7","1") = "8"
    & skf18("3","8","7","9","5","8","1") = "8"
    & skf18("3","8","7","9","5","9","1") = "8"
    & skf18("3","8","7","9","5","10","1") = "9"
    & skf18("3","8","7","9","6","1","1") = "8"
    & skf18("3","8","7","9","6","2","1") = "8"
    & skf18("3","8","7","9","6","3","1") = "8"
    & skf18("3","8","7","9","6","4","1") = "8"
    & skf18("3","8","7","9","6","5","1") = "8"
    & skf18("3","8","7","9","6","6","1") = "8"
    & skf18("3","8","7","9","6","7","1") = "8"
    & skf18("3","8","7","9","6","8","1") = "8"
    & skf18("3","8","7","9","6","9","1") = "8"
    & skf18("3","8","7","9","6","10","1") = "9"
    & skf18("3","8","7","9","7","1","1") = "8"
    & skf18("3","8","7","9","7","2","1") = "8"
    & skf18("3","8","7","9","7","3","1") = "8"
    & skf18("3","8","7","9","7","4","1") = "8"
    & skf18("3","8","7","9","7","5","1") = "8"
    & skf18("3","8","7","9","7","6","1") = "8"
    & skf18("3","8","7","9","7","7","1") = "8"
    & skf18("3","8","7","9","7","8","1") = "8"
    & skf18("3","8","7","9","7","9","1") = "8"
    & skf18("3","8","7","9","7","10","1") = "9"
    & skf18("3","8","7","9","8","1","1") = "8"
    & skf18("3","8","7","9","8","2","1") = "8"
    & skf18("3","8","7","9","8","3","1") = "8"
    & skf18("3","8","7","9","8","4","1") = "8"
    & skf18("3","8","7","9","8","5","1") = "8"
    & skf18("3","8","7","9","8","6","1") = "8"
    & skf18("3","8","7","9","8","7","1") = "8"
    & skf18("3","8","7","9","8","8","1") = "8"
    & skf18("3","8","7","9","8","9","1") = "8"
    & skf18("3","8","7","9","8","10","1") = "9"
    & skf18("3","8","7","9","9","1","1") = "8"
    & skf18("3","8","7","9","9","2","1") = "8"
    & skf18("3","8","7","9","9","3","1") = "8"
    & skf18("3","8","7","9","9","4","1") = "8"
    & skf18("3","8","7","9","9","5","1") = "8"
    & skf18("3","8","7","9","9","6","1") = "8"
    & skf18("3","8","7","9","9","7","1") = "8"
    & skf18("3","8","7","9","9","8","1") = "8"
    & skf18("3","8","7","9","9","9","1") = "8"
    & skf18("3","8","7","9","9","10","1") = "9"
    & skf18("3","8","7","9","10","1","1") = "9"
    & skf18("3","8","7","9","10","2","1") = "9"
    & skf18("3","8","7","9","10","3","1") = "9"
    & skf18("3","8","7","9","10","4","1") = "9"
    & skf18("3","8","7","9","10","5","1") = "9"
    & skf18("3","8","7","9","10","6","1") = "9"
    & skf18("3","8","7","9","10","7","1") = "9"
    & skf18("3","8","7","9","10","8","1") = "9"
    & skf18("3","8","7","9","10","9","1") = "9"
    & skf18("3","8","7","9","10","10","1") = "9"
    & skf18("3","8","7","10","1","1","1") = "9"
    & skf18("3","8","7","10","1","2","1") = "9"
    & skf18("3","8","7","10","1","3","1") = "9"
    & skf18("3","8","7","10","1","4","1") = "9"
    & skf18("3","8","7","10","1","5","1") = "9"
    & skf18("3","8","7","10","1","6","1") = "9"
    & skf18("3","8","7","10","1","7","1") = "9"
    & skf18("3","8","7","10","1","8","1") = "9"
    & skf18("3","8","7","10","1","9","1") = "9"
    & skf18("3","8","7","10","1","10","1") = "9"
    & skf18("3","8","7","10","2","1","1") = "9"
    & skf18("3","8","7","10","2","2","1") = "9"
    & skf18("3","8","7","10","2","3","1") = "9"
    & skf18("3","8","7","10","2","4","1") = "9"
    & skf18("3","8","7","10","2","5","1") = "9"
    & skf18("3","8","7","10","2","6","1") = "9"
    & skf18("3","8","7","10","2","7","1") = "9"
    & skf18("3","8","7","10","2","8","1") = "9"
    & skf18("3","8","7","10","2","9","1") = "9"
    & skf18("3","8","7","10","2","10","1") = "9"
    & skf18("3","8","7","10","3","1","1") = "9"
    & skf18("3","8","7","10","3","2","1") = "9"
    & skf18("3","8","7","10","3","3","1") = "9"
    & skf18("3","8","7","10","3","4","1") = "9"
    & skf18("3","8","7","10","3","5","1") = "9"
    & skf18("3","8","7","10","3","6","1") = "9"
    & skf18("3","8","7","10","3","7","1") = "9"
    & skf18("3","8","7","10","3","8","1") = "9"
    & skf18("3","8","7","10","3","9","1") = "9"
    & skf18("3","8","7","10","3","10","1") = "9"
    & skf18("3","8","7","10","4","1","1") = "9"
    & skf18("3","8","7","10","4","2","1") = "9"
    & skf18("3","8","7","10","4","3","1") = "9"
    & skf18("3","8","7","10","4","4","1") = "9"
    & skf18("3","8","7","10","4","5","1") = "9"
    & skf18("3","8","7","10","4","6","1") = "9"
    & skf18("3","8","7","10","4","7","1") = "9"
    & skf18("3","8","7","10","4","8","1") = "9"
    & skf18("3","8","7","10","4","9","1") = "9"
    & skf18("3","8","7","10","4","10","1") = "9"
    & skf18("3","8","7","10","5","1","1") = "9"
    & skf18("3","8","7","10","5","2","1") = "9"
    & skf18("3","8","7","10","5","3","1") = "9"
    & skf18("3","8","7","10","5","4","1") = "9"
    & skf18("3","8","7","10","5","5","1") = "9"
    & skf18("3","8","7","10","5","6","1") = "9"
    & skf18("3","8","7","10","5","7","1") = "9"
    & skf18("3","8","7","10","5","8","1") = "9"
    & skf18("3","8","7","10","5","9","1") = "9"
    & skf18("3","8","7","10","5","10","1") = "9"
    & skf18("3","8","7","10","6","1","1") = "9"
    & skf18("3","8","7","10","6","2","1") = "9"
    & skf18("3","8","7","10","6","3","1") = "9"
    & skf18("3","8","7","10","6","4","1") = "9"
    & skf18("3","8","7","10","6","5","1") = "9"
    & skf18("3","8","7","10","6","6","1") = "9"
    & skf18("3","8","7","10","6","7","1") = "9"
    & skf18("3","8","7","10","6","8","1") = "9"
    & skf18("3","8","7","10","6","9","1") = "9"
    & skf18("3","8","7","10","6","10","1") = "9"
    & skf18("3","8","7","10","7","1","1") = "9"
    & skf18("3","8","7","10","7","2","1") = "9"
    & skf18("3","8","7","10","7","3","1") = "9"
    & skf18("3","8","7","10","7","4","1") = "9"
    & skf18("3","8","7","10","7","5","1") = "9"
    & skf18("3","8","7","10","7","6","1") = "9"
    & skf18("3","8","7","10","7","7","1") = "9"
    & skf18("3","8","7","10","7","8","1") = "9"
    & skf18("3","8","7","10","7","9","1") = "9"
    & skf18("3","8","7","10","7","10","1") = "9"
    & skf18("3","8","7","10","8","1","1") = "9"
    & skf18("3","8","7","10","8","2","1") = "9"
    & skf18("3","8","7","10","8","3","1") = "9"
    & skf18("3","8","7","10","8","4","1") = "9"
    & skf18("3","8","7","10","8","5","1") = "9"
    & skf18("3","8","7","10","8","6","1") = "9"
    & skf18("3","8","7","10","8","7","1") = "9"
    & skf18("3","8","7","10","8","8","1") = "9"
    & skf18("3","8","7","10","8","9","1") = "9"
    & skf18("3","8","7","10","8","10","1") = "9"
    & skf18("3","8","7","10","9","1","1") = "9"
    & skf18("3","8","7","10","9","2","1") = "9"
    & skf18("3","8","7","10","9","3","1") = "9"
    & skf18("3","8","7","10","9","4","1") = "9"
    & skf18("3","8","7","10","9","5","1") = "9"
    & skf18("3","8","7","10","9","6","1") = "9"
    & skf18("3","8","7","10","9","7","1") = "9"
    & skf18("3","8","7","10","9","8","1") = "9"
    & skf18("3","8","7","10","9","9","1") = "9"
    & skf18("3","8","7","10","9","10","1") = "9"
    & skf18("3","8","7","10","10","1","1") = "9"
    & skf18("3","8","7","10","10","2","1") = "9"
    & skf18("3","8","7","10","10","3","1") = "9"
    & skf18("3","8","7","10","10","4","1") = "9"
    & skf18("3","8","7","10","10","5","1") = "9"
    & skf18("3","8","7","10","10","6","1") = "9"
    & skf18("3","8","7","10","10","7","1") = "9"
    & skf18("3","8","7","10","10","8","1") = "9"
    & skf18("3","8","7","10","10","9","1") = "9"
    & skf18("3","8","7","10","10","10","1") = "9"
    & skf18("3","8","8","1","1","1","1") = "7"
    & skf18("3","8","8","1","1","2","1") = "7"
    & skf18("3","8","8","1","1","3","1") = "7"
    & skf18("3","8","8","1","1","4","1") = "7"
    & skf18("3","8","8","1","1","5","1") = "7"
    & skf18("3","8","8","1","1","6","1") = "7"
    & skf18("3","8","8","1","1","7","1") = "7"
    & skf18("3","8","8","1","1","8","1") = "7"
    & skf18("3","8","8","1","1","9","1") = "8"
    & skf18("3","8","8","1","1","10","1") = "9"
    & skf18("3","8","8","1","2","1","1") = "7"
    & skf18("3","8","8","1","2","2","1") = "7"
    & skf18("3","8","8","1","2","3","1") = "7"
    & skf18("3","8","8","1","2","4","1") = "7"
    & skf18("3","8","8","1","2","5","1") = "7"
    & skf18("3","8","8","1","2","6","1") = "7"
    & skf18("3","8","8","1","2","7","1") = "7"
    & skf18("3","8","8","1","2","8","1") = "7"
    & skf18("3","8","8","1","2","9","1") = "8"
    & skf18("3","8","8","1","2","10","1") = "9"
    & skf18("3","8","8","1","3","1","1") = "7"
    & skf18("3","8","8","1","3","2","1") = "7"
    & skf18("3","8","8","1","3","3","1") = "7"
    & skf18("3","8","8","1","3","4","1") = "7"
    & skf18("3","8","8","1","3","5","1") = "7"
    & skf18("3","8","8","1","3","6","1") = "7"
    & skf18("3","8","8","1","3","7","1") = "7"
    & skf18("3","8","8","1","3","8","1") = "7"
    & skf18("3","8","8","1","3","9","1") = "8"
    & skf18("3","8","8","1","3","10","1") = "9"
    & skf18("3","8","8","1","4","1","1") = "7"
    & skf18("3","8","8","1","4","2","1") = "7"
    & skf18("3","8","8","1","4","3","1") = "7"
    & skf18("3","8","8","1","4","4","1") = "7"
    & skf18("3","8","8","1","4","5","1") = "7"
    & skf18("3","8","8","1","4","6","1") = "7"
    & skf18("3","8","8","1","4","7","1") = "7"
    & skf18("3","8","8","1","4","8","1") = "7"
    & skf18("3","8","8","1","4","9","1") = "8"
    & skf18("3","8","8","1","4","10","1") = "9"
    & skf18("3","8","8","1","5","1","1") = "7"
    & skf18("3","8","8","1","5","2","1") = "7"
    & skf18("3","8","8","1","5","3","1") = "7"
    & skf18("3","8","8","1","5","4","1") = "7"
    & skf18("3","8","8","1","5","5","1") = "7"
    & skf18("3","8","8","1","5","6","1") = "7"
    & skf18("3","8","8","1","5","7","1") = "7"
    & skf18("3","8","8","1","5","8","1") = "7"
    & skf18("3","8","8","1","5","9","1") = "8"
    & skf18("3","8","8","1","5","10","1") = "9"
    & skf18("3","8","8","1","6","1","1") = "7"
    & skf18("3","8","8","1","6","2","1") = "7"
    & skf18("3","8","8","1","6","3","1") = "7"
    & skf18("3","8","8","1","6","4","1") = "7"
    & skf18("3","8","8","1","6","5","1") = "7"
    & skf18("3","8","8","1","6","6","1") = "7"
    & skf18("3","8","8","1","6","7","1") = "7"
    & skf18("3","8","8","1","6","8","1") = "7"
    & skf18("3","8","8","1","6","9","1") = "8"
    & skf18("3","8","8","1","6","10","1") = "9"
    & skf18("3","8","8","1","7","1","1") = "7"
    & skf18("3","8","8","1","7","2","1") = "7"
    & skf18("3","8","8","1","7","3","1") = "7"
    & skf18("3","8","8","1","7","4","1") = "7"
    & skf18("3","8","8","1","7","5","1") = "7"
    & skf18("3","8","8","1","7","6","1") = "7"
    & skf18("3","8","8","1","7","7","1") = "7"
    & skf18("3","8","8","1","7","8","1") = "7"
    & skf18("3","8","8","1","7","9","1") = "8"
    & skf18("3","8","8","1","7","10","1") = "9"
    & skf18("3","8","8","1","8","1","1") = "7"
    & skf18("3","8","8","1","8","2","1") = "7"
    & skf18("3","8","8","1","8","3","1") = "7"
    & skf18("3","8","8","1","8","4","1") = "7"
    & skf18("3","8","8","1","8","5","1") = "7"
    & skf18("3","8","8","1","8","6","1") = "7"
    & skf18("3","8","8","1","8","7","1") = "7"
    & skf18("3","8","8","1","8","8","1") = "7"
    & skf18("3","8","8","1","8","9","1") = "8"
    & skf18("3","8","8","1","8","10","1") = "9"
    & skf18("3","8","8","1","9","1","1") = "8"
    & skf18("3","8","8","1","9","2","1") = "8"
    & skf18("3","8","8","1","9","3","1") = "8"
    & skf18("3","8","8","1","9","4","1") = "8"
    & skf18("3","8","8","1","9","5","1") = "8"
    & skf18("3","8","8","1","9","6","1") = "8"
    & skf18("3","8","8","1","9","7","1") = "8"
    & skf18("3","8","8","1","9","8","1") = "8"
    & skf18("3","8","8","1","9","9","1") = "8"
    & skf18("3","8","8","1","9","10","1") = "9"
    & skf18("3","8","8","1","10","1","1") = "9"
    & skf18("3","8","8","1","10","2","1") = "9"
    & skf18("3","8","8","1","10","3","1") = "9"
    & skf18("3","8","8","1","10","4","1") = "9"
    & skf18("3","8","8","1","10","5","1") = "9"
    & skf18("3","8","8","1","10","6","1") = "9"
    & skf18("3","8","8","1","10","7","1") = "9"
    & skf18("3","8","8","1","10","8","1") = "9"
    & skf18("3","8","8","1","10","9","1") = "9"
    & skf18("3","8","8","1","10","10","1") = "9"
    & skf18("3","8","8","2","1","1","1") = "7"
    & skf18("3","8","8","2","1","2","1") = "7"
    & skf18("3","8","8","2","1","3","1") = "7"
    & skf18("3","8","8","2","1","4","1") = "7"
    & skf18("3","8","8","2","1","5","1") = "7"
    & skf18("3","8","8","2","1","6","1") = "7"
    & skf18("3","8","8","2","1","7","1") = "7"
    & skf18("3","8","8","2","1","8","1") = "7"
    & skf18("3","8","8","2","1","9","1") = "8"
    & skf18("3","8","8","2","1","10","1") = "9"
    & skf18("3","8","8","2","2","1","1") = "7"
    & skf18("3","8","8","2","2","2","1") = "7"
    & skf18("3","8","8","2","2","3","1") = "7"
    & skf18("3","8","8","2","2","4","1") = "7"
    & skf18("3","8","8","2","2","5","1") = "7"
    & skf18("3","8","8","2","2","6","1") = "7"
    & skf18("3","8","8","2","2","7","1") = "7"
    & skf18("3","8","8","2","2","8","1") = "7"
    & skf18("3","8","8","2","2","9","1") = "8"
    & skf18("3","8","8","2","2","10","1") = "9"
    & skf18("3","8","8","2","3","1","1") = "7"
    & skf18("3","8","8","2","3","2","1") = "7"
    & skf18("3","8","8","2","3","3","1") = "7"
    & skf18("3","8","8","2","3","4","1") = "7"
    & skf18("3","8","8","2","3","5","1") = "7"
    & skf18("3","8","8","2","3","6","1") = "7"
    & skf18("3","8","8","2","3","7","1") = "7"
    & skf18("3","8","8","2","3","8","1") = "7"
    & skf18("3","8","8","2","3","9","1") = "8"
    & skf18("3","8","8","2","3","10","1") = "9"
    & skf18("3","8","8","2","4","1","1") = "7"
    & skf18("3","8","8","2","4","2","1") = "7"
    & skf18("3","8","8","2","4","3","1") = "7"
    & skf18("3","8","8","2","4","4","1") = "7"
    & skf18("3","8","8","2","4","5","1") = "7"
    & skf18("3","8","8","2","4","6","1") = "7"
    & skf18("3","8","8","2","4","7","1") = "7"
    & skf18("3","8","8","2","4","8","1") = "7"
    & skf18("3","8","8","2","4","9","1") = "8"
    & skf18("3","8","8","2","4","10","1") = "9"
    & skf18("3","8","8","2","5","1","1") = "7"
    & skf18("3","8","8","2","5","2","1") = "7"
    & skf18("3","8","8","2","5","3","1") = "7"
    & skf18("3","8","8","2","5","4","1") = "7"
    & skf18("3","8","8","2","5","5","1") = "7"
    & skf18("3","8","8","2","5","6","1") = "7"
    & skf18("3","8","8","2","5","7","1") = "7"
    & skf18("3","8","8","2","5","8","1") = "7"
    & skf18("3","8","8","2","5","9","1") = "8"
    & skf18("3","8","8","2","5","10","1") = "9"
    & skf18("3","8","8","2","6","1","1") = "7"
    & skf18("3","8","8","2","6","2","1") = "7"
    & skf18("3","8","8","2","6","3","1") = "7"
    & skf18("3","8","8","2","6","4","1") = "7"
    & skf18("3","8","8","2","6","5","1") = "7"
    & skf18("3","8","8","2","6","6","1") = "7"
    & skf18("3","8","8","2","6","7","1") = "7"
    & skf18("3","8","8","2","6","8","1") = "7"
    & skf18("3","8","8","2","6","9","1") = "8"
    & skf18("3","8","8","2","6","10","1") = "9"
    & skf18("3","8","8","2","7","1","1") = "7"
    & skf18("3","8","8","2","7","2","1") = "7"
    & skf18("3","8","8","2","7","3","1") = "7"
    & skf18("3","8","8","2","7","4","1") = "7"
    & skf18("3","8","8","2","7","5","1") = "7"
    & skf18("3","8","8","2","7","6","1") = "7"
    & skf18("3","8","8","2","7","7","1") = "7"
    & skf18("3","8","8","2","7","8","1") = "7"
    & skf18("3","8","8","2","7","9","1") = "8"
    & skf18("3","8","8","2","7","10","1") = "9"
    & skf18("3","8","8","2","8","1","1") = "7"
    & skf18("3","8","8","2","8","2","1") = "7"
    & skf18("3","8","8","2","8","3","1") = "7"
    & skf18("3","8","8","2","8","4","1") = "7"
    & skf18("3","8","8","2","8","5","1") = "7"
    & skf18("3","8","8","2","8","6","1") = "7"
    & skf18("3","8","8","2","8","7","1") = "7"
    & skf18("3","8","8","2","8","8","1") = "7"
    & skf18("3","8","8","2","8","9","1") = "8"
    & skf18("3","8","8","2","8","10","1") = "9"
    & skf18("3","8","8","2","9","1","1") = "8"
    & skf18("3","8","8","2","9","2","1") = "8"
    & skf18("3","8","8","2","9","3","1") = "8"
    & skf18("3","8","8","2","9","4","1") = "8"
    & skf18("3","8","8","2","9","5","1") = "8"
    & skf18("3","8","8","2","9","6","1") = "8"
    & skf18("3","8","8","2","9","7","1") = "8"
    & skf18("3","8","8","2","9","8","1") = "8"
    & skf18("3","8","8","2","9","9","1") = "8"
    & skf18("3","8","8","2","9","10","1") = "9"
    & skf18("3","8","8","2","10","1","1") = "9"
    & skf18("3","8","8","2","10","2","1") = "9"
    & skf18("3","8","8","2","10","3","1") = "9"
    & skf18("3","8","8","2","10","4","1") = "9"
    & skf18("3","8","8","2","10","5","1") = "9"
    & skf18("3","8","8","2","10","6","1") = "9"
    & skf18("3","8","8","2","10","7","1") = "9"
    & skf18("3","8","8","2","10","8","1") = "9"
    & skf18("3","8","8","2","10","9","1") = "9"
    & skf18("3","8","8","2","10","10","1") = "9"
    & skf18("3","8","8","3","1","1","1") = "7"
    & skf18("3","8","8","3","1","2","1") = "7"
    & skf18("3","8","8","3","1","3","1") = "7"
    & skf18("3","8","8","3","1","4","1") = "7"
    & skf18("3","8","8","3","1","5","1") = "7"
    & skf18("3","8","8","3","1","6","1") = "7"
    & skf18("3","8","8","3","1","7","1") = "7"
    & skf18("3","8","8","3","1","8","1") = "7"
    & skf18("3","8","8","3","1","9","1") = "8"
    & skf18("3","8","8","3","1","10","1") = "9"
    & skf18("3","8","8","3","2","1","1") = "7"
    & skf18("3","8","8","3","2","2","1") = "7"
    & skf18("3","8","8","3","2","3","1") = "7"
    & skf18("3","8","8","3","2","4","1") = "7"
    & skf18("3","8","8","3","2","5","1") = "7"
    & skf18("3","8","8","3","2","6","1") = "7"
    & skf18("3","8","8","3","2","7","1") = "7"
    & skf18("3","8","8","3","2","8","1") = "7"
    & skf18("3","8","8","3","2","9","1") = "8"
    & skf18("3","8","8","3","2","10","1") = "9"
    & skf18("3","8","8","3","3","1","1") = "7"
    & skf18("3","8","8","3","3","2","1") = "7"
    & skf18("3","8","8","3","3","3","1") = "7"
    & skf18("3","8","8","3","3","4","1") = "7"
    & skf18("3","8","8","3","3","5","1") = "7"
    & skf18("3","8","8","3","3","6","1") = "7"
    & skf18("3","8","8","3","3","7","1") = "7"
    & skf18("3","8","8","3","3","8","1") = "7"
    & skf18("3","8","8","3","3","9","1") = "8"
    & skf18("3","8","8","3","3","10","1") = "9"
    & skf18("3","8","8","3","4","1","1") = "7"
    & skf18("3","8","8","3","4","2","1") = "7"
    & skf18("3","8","8","3","4","3","1") = "7"
    & skf18("3","8","8","3","4","4","1") = "7"
    & skf18("3","8","8","3","4","5","1") = "7"
    & skf18("3","8","8","3","4","6","1") = "7"
    & skf18("3","8","8","3","4","7","1") = "7"
    & skf18("3","8","8","3","4","8","1") = "7"
    & skf18("3","8","8","3","4","9","1") = "8"
    & skf18("3","8","8","3","4","10","1") = "9"
    & skf18("3","8","8","3","5","1","1") = "7"
    & skf18("3","8","8","3","5","2","1") = "7"
    & skf18("3","8","8","3","5","3","1") = "7"
    & skf18("3","8","8","3","5","4","1") = "7"
    & skf18("3","8","8","3","5","5","1") = "7"
    & skf18("3","8","8","3","5","6","1") = "7"
    & skf18("3","8","8","3","5","7","1") = "7"
    & skf18("3","8","8","3","5","8","1") = "7"
    & skf18("3","8","8","3","5","9","1") = "8"
    & skf18("3","8","8","3","5","10","1") = "9"
    & skf18("3","8","8","3","6","1","1") = "7"
    & skf18("3","8","8","3","6","2","1") = "7"
    & skf18("3","8","8","3","6","3","1") = "7"
    & skf18("3","8","8","3","6","4","1") = "7"
    & skf18("3","8","8","3","6","5","1") = "7"
    & skf18("3","8","8","3","6","6","1") = "7"
    & skf18("3","8","8","3","6","7","1") = "7"
    & skf18("3","8","8","3","6","8","1") = "7"
    & skf18("3","8","8","3","6","9","1") = "8"
    & skf18("3","8","8","3","6","10","1") = "9"
    & skf18("3","8","8","3","7","1","1") = "7"
    & skf18("3","8","8","3","7","2","1") = "7"
    & skf18("3","8","8","3","7","3","1") = "7"
    & skf18("3","8","8","3","7","4","1") = "7"
    & skf18("3","8","8","3","7","5","1") = "7"
    & skf18("3","8","8","3","7","6","1") = "7"
    & skf18("3","8","8","3","7","7","1") = "7"
    & skf18("3","8","8","3","7","8","1") = "7"
    & skf18("3","8","8","3","7","9","1") = "8"
    & skf18("3","8","8","3","7","10","1") = "9"
    & skf18("3","8","8","3","8","1","1") = "7"
    & skf18("3","8","8","3","8","2","1") = "7"
    & skf18("3","8","8","3","8","3","1") = "7"
    & skf18("3","8","8","3","8","4","1") = "7"
    & skf18("3","8","8","3","8","5","1") = "7"
    & skf18("3","8","8","3","8","6","1") = "7"
    & skf18("3","8","8","3","8","7","1") = "7"
    & skf18("3","8","8","3","8","8","1") = "7"
    & skf18("3","8","8","3","8","9","1") = "8"
    & skf18("3","8","8","3","8","10","1") = "9"
    & skf18("3","8","8","3","9","1","1") = "8"
    & skf18("3","8","8","3","9","2","1") = "8"
    & skf18("3","8","8","3","9","3","1") = "8"
    & skf18("3","8","8","3","9","4","1") = "8"
    & skf18("3","8","8","3","9","5","1") = "8"
    & skf18("3","8","8","3","9","6","1") = "8"
    & skf18("3","8","8","3","9","7","1") = "8"
    & skf18("3","8","8","3","9","8","1") = "8"
    & skf18("3","8","8","3","9","9","1") = "8"
    & skf18("3","8","8","3","9","10","1") = "9"
    & skf18("3","8","8","3","10","1","1") = "9"
    & skf18("3","8","8","3","10","2","1") = "9"
    & skf18("3","8","8","3","10","3","1") = "9"
    & skf18("3","8","8","3","10","4","1") = "9"
    & skf18("3","8","8","3","10","5","1") = "9"
    & skf18("3","8","8","3","10","6","1") = "9"
    & skf18("3","8","8","3","10","7","1") = "9"
    & skf18("3","8","8","3","10","8","1") = "9"
    & skf18("3","8","8","3","10","9","1") = "9"
    & skf18("3","8","8","3","10","10","1") = "9"
    & skf18("3","8","8","4","1","1","1") = "7"
    & skf18("3","8","8","4","1","2","1") = "7"
    & skf18("3","8","8","4","1","3","1") = "7"
    & skf18("3","8","8","4","1","4","1") = "7"
    & skf18("3","8","8","4","1","5","1") = "7"
    & skf18("3","8","8","4","1","6","1") = "7"
    & skf18("3","8","8","4","1","7","1") = "7"
    & skf18("3","8","8","4","1","8","1") = "7"
    & skf18("3","8","8","4","1","9","1") = "8"
    & skf18("3","8","8","4","1","10","1") = "9"
    & skf18("3","8","8","4","2","1","1") = "7"
    & skf18("3","8","8","4","2","2","1") = "7"
    & skf18("3","8","8","4","2","3","1") = "7"
    & skf18("3","8","8","4","2","4","1") = "7"
    & skf18("3","8","8","4","2","5","1") = "7"
    & skf18("3","8","8","4","2","6","1") = "7"
    & skf18("3","8","8","4","2","7","1") = "7"
    & skf18("3","8","8","4","2","8","1") = "7"
    & skf18("3","8","8","4","2","9","1") = "8"
    & skf18("3","8","8","4","2","10","1") = "9"
    & skf18("3","8","8","4","3","1","1") = "7"
    & skf18("3","8","8","4","3","2","1") = "7"
    & skf18("3","8","8","4","3","3","1") = "7"
    & skf18("3","8","8","4","3","4","1") = "7"
    & skf18("3","8","8","4","3","5","1") = "7"
    & skf18("3","8","8","4","3","6","1") = "7"
    & skf18("3","8","8","4","3","7","1") = "7"
    & skf18("3","8","8","4","3","8","1") = "7"
    & skf18("3","8","8","4","3","9","1") = "8"
    & skf18("3","8","8","4","3","10","1") = "9"
    & skf18("3","8","8","4","4","1","1") = "7"
    & skf18("3","8","8","4","4","2","1") = "7"
    & skf18("3","8","8","4","4","3","1") = "7"
    & skf18("3","8","8","4","4","4","1") = "7"
    & skf18("3","8","8","4","4","5","1") = "7"
    & skf18("3","8","8","4","4","6","1") = "7"
    & skf18("3","8","8","4","4","7","1") = "7"
    & skf18("3","8","8","4","4","8","1") = "7"
    & skf18("3","8","8","4","4","9","1") = "8"
    & skf18("3","8","8","4","4","10","1") = "9"
    & skf18("3","8","8","4","5","1","1") = "7"
    & skf18("3","8","8","4","5","2","1") = "7"
    & skf18("3","8","8","4","5","3","1") = "7"
    & skf18("3","8","8","4","5","4","1") = "7"
    & skf18("3","8","8","4","5","5","1") = "7"
    & skf18("3","8","8","4","5","6","1") = "7"
    & skf18("3","8","8","4","5","7","1") = "7"
    & skf18("3","8","8","4","5","8","1") = "7"
    & skf18("3","8","8","4","5","9","1") = "8"
    & skf18("3","8","8","4","5","10","1") = "9"
    & skf18("3","8","8","4","6","1","1") = "7"
    & skf18("3","8","8","4","6","2","1") = "7"
    & skf18("3","8","8","4","6","3","1") = "7"
    & skf18("3","8","8","4","6","4","1") = "7"
    & skf18("3","8","8","4","6","5","1") = "7"
    & skf18("3","8","8","4","6","6","1") = "7"
    & skf18("3","8","8","4","6","7","1") = "7"
    & skf18("3","8","8","4","6","8","1") = "7"
    & skf18("3","8","8","4","6","9","1") = "8"
    & skf18("3","8","8","4","6","10","1") = "9"
    & skf18("3","8","8","4","7","1","1") = "7"
    & skf18("3","8","8","4","7","2","1") = "7"
    & skf18("3","8","8","4","7","3","1") = "7"
    & skf18("3","8","8","4","7","4","1") = "7"
    & skf18("3","8","8","4","7","5","1") = "7"
    & skf18("3","8","8","4","7","6","1") = "7"
    & skf18("3","8","8","4","7","7","1") = "7"
    & skf18("3","8","8","4","7","8","1") = "7"
    & skf18("3","8","8","4","7","9","1") = "8"
    & skf18("3","8","8","4","7","10","1") = "9"
    & skf18("3","8","8","4","8","1","1") = "7"
    & skf18("3","8","8","4","8","2","1") = "7"
    & skf18("3","8","8","4","8","3","1") = "7"
    & skf18("3","8","8","4","8","4","1") = "7"
    & skf18("3","8","8","4","8","5","1") = "7"
    & skf18("3","8","8","4","8","6","1") = "7"
    & skf18("3","8","8","4","8","7","1") = "7"
    & skf18("3","8","8","4","8","8","1") = "7"
    & skf18("3","8","8","4","8","9","1") = "8"
    & skf18("3","8","8","4","8","10","1") = "9"
    & skf18("3","8","8","4","9","1","1") = "8"
    & skf18("3","8","8","4","9","2","1") = "8"
    & skf18("3","8","8","4","9","3","1") = "8"
    & skf18("3","8","8","4","9","4","1") = "8"
    & skf18("3","8","8","4","9","5","1") = "8"
    & skf18("3","8","8","4","9","6","1") = "8"
    & skf18("3","8","8","4","9","7","1") = "8"
    & skf18("3","8","8","4","9","8","1") = "8"
    & skf18("3","8","8","4","9","9","1") = "8"
    & skf18("3","8","8","4","9","10","1") = "9"
    & skf18("3","8","8","4","10","1","1") = "9"
    & skf18("3","8","8","4","10","2","1") = "9"
    & skf18("3","8","8","4","10","3","1") = "9"
    & skf18("3","8","8","4","10","4","1") = "9"
    & skf18("3","8","8","4","10","5","1") = "9"
    & skf18("3","8","8","4","10","6","1") = "9"
    & skf18("3","8","8","4","10","7","1") = "9"
    & skf18("3","8","8","4","10","8","1") = "9"
    & skf18("3","8","8","4","10","9","1") = "9"
    & skf18("3","8","8","4","10","10","1") = "9"
    & skf18("3","8","8","5","1","1","1") = "7"
    & skf18("3","8","8","5","1","2","1") = "7"
    & skf18("3","8","8","5","1","3","1") = "7"
    & skf18("3","8","8","5","1","4","1") = "7"
    & skf18("3","8","8","5","1","5","1") = "7"
    & skf18("3","8","8","5","1","6","1") = "7"
    & skf18("3","8","8","5","1","7","1") = "7"
    & skf18("3","8","8","5","1","8","1") = "7"
    & skf18("3","8","8","5","1","9","1") = "8"
    & skf18("3","8","8","5","1","10","1") = "9"
    & skf18("3","8","8","5","2","1","1") = "7"
    & skf18("3","8","8","5","2","2","1") = "7"
    & skf18("3","8","8","5","2","3","1") = "7"
    & skf18("3","8","8","5","2","4","1") = "7"
    & skf18("3","8","8","5","2","5","1") = "7"
    & skf18("3","8","8","5","2","6","1") = "7"
    & skf18("3","8","8","5","2","7","1") = "7"
    & skf18("3","8","8","5","2","8","1") = "7"
    & skf18("3","8","8","5","2","9","1") = "8"
    & skf18("3","8","8","5","2","10","1") = "9"
    & skf18("3","8","8","5","3","1","1") = "7"
    & skf18("3","8","8","5","3","2","1") = "7"
    & skf18("3","8","8","5","3","3","1") = "7"
    & skf18("3","8","8","5","3","4","1") = "7"
    & skf18("3","8","8","5","3","5","1") = "7"
    & skf18("3","8","8","5","3","6","1") = "7"
    & skf18("3","8","8","5","3","7","1") = "7"
    & skf18("3","8","8","5","3","8","1") = "7"
    & skf18("3","8","8","5","3","9","1") = "8"
    & skf18("3","8","8","5","3","10","1") = "9"
    & skf18("3","8","8","5","4","1","1") = "7"
    & skf18("3","8","8","5","4","2","1") = "7"
    & skf18("3","8","8","5","4","3","1") = "7"
    & skf18("3","8","8","5","4","4","1") = "7"
    & skf18("3","8","8","5","4","5","1") = "7"
    & skf18("3","8","8","5","4","6","1") = "7"
    & skf18("3","8","8","5","4","7","1") = "7"
    & skf18("3","8","8","5","4","8","1") = "7"
    & skf18("3","8","8","5","4","9","1") = "8"
    & skf18("3","8","8","5","4","10","1") = "9"
    & skf18("3","8","8","5","5","1","1") = "7"
    & skf18("3","8","8","5","5","2","1") = "7"
    & skf18("3","8","8","5","5","3","1") = "7"
    & skf18("3","8","8","5","5","4","1") = "7"
    & skf18("3","8","8","5","5","5","1") = "7"
    & skf18("3","8","8","5","5","6","1") = "7"
    & skf18("3","8","8","5","5","7","1") = "7"
    & skf18("3","8","8","5","5","8","1") = "7"
    & skf18("3","8","8","5","5","9","1") = "8"
    & skf18("3","8","8","5","5","10","1") = "9"
    & skf18("3","8","8","5","6","1","1") = "7"
    & skf18("3","8","8","5","6","2","1") = "7"
    & skf18("3","8","8","5","6","3","1") = "7"
    & skf18("3","8","8","5","6","4","1") = "7"
    & skf18("3","8","8","5","6","5","1") = "7"
    & skf18("3","8","8","5","6","6","1") = "7"
    & skf18("3","8","8","5","6","7","1") = "7"
    & skf18("3","8","8","5","6","8","1") = "7"
    & skf18("3","8","8","5","6","9","1") = "8"
    & skf18("3","8","8","5","6","10","1") = "9"
    & skf18("3","8","8","5","7","1","1") = "7"
    & skf18("3","8","8","5","7","2","1") = "7"
    & skf18("3","8","8","5","7","3","1") = "7"
    & skf18("3","8","8","5","7","4","1") = "7"
    & skf18("3","8","8","5","7","5","1") = "7"
    & skf18("3","8","8","5","7","6","1") = "7"
    & skf18("3","8","8","5","7","7","1") = "7"
    & skf18("3","8","8","5","7","8","1") = "7"
    & skf18("3","8","8","5","7","9","1") = "8"
    & skf18("3","8","8","5","7","10","1") = "9"
    & skf18("3","8","8","5","8","1","1") = "7"
    & skf18("3","8","8","5","8","2","1") = "7"
    & skf18("3","8","8","5","8","3","1") = "7"
    & skf18("3","8","8","5","8","4","1") = "7"
    & skf18("3","8","8","5","8","5","1") = "7"
    & skf18("3","8","8","5","8","6","1") = "7"
    & skf18("3","8","8","5","8","7","1") = "7"
    & skf18("3","8","8","5","8","8","1") = "7"
    & skf18("3","8","8","5","8","9","1") = "8"
    & skf18("3","8","8","5","8","10","1") = "9"
    & skf18("3","8","8","5","9","1","1") = "8"
    & skf18("3","8","8","5","9","2","1") = "8"
    & skf18("3","8","8","5","9","3","1") = "8"
    & skf18("3","8","8","5","9","4","1") = "8"
    & skf18("3","8","8","5","9","5","1") = "8"
    & skf18("3","8","8","5","9","6","1") = "8"
    & skf18("3","8","8","5","9","7","1") = "8"
    & skf18("3","8","8","5","9","8","1") = "8"
    & skf18("3","8","8","5","9","9","1") = "8"
    & skf18("3","8","8","5","9","10","1") = "9"
    & skf18("3","8","8","5","10","1","1") = "9"
    & skf18("3","8","8","5","10","2","1") = "9"
    & skf18("3","8","8","5","10","3","1") = "9"
    & skf18("3","8","8","5","10","4","1") = "9"
    & skf18("3","8","8","5","10","5","1") = "9"
    & skf18("3","8","8","5","10","6","1") = "9"
    & skf18("3","8","8","5","10","7","1") = "9"
    & skf18("3","8","8","5","10","8","1") = "9"
    & skf18("3","8","8","5","10","9","1") = "9"
    & skf18("3","8","8","5","10","10","1") = "9"
    & skf18("3","8","8","6","1","1","1") = "7"
    & skf18("3","8","8","6","1","2","1") = "7"
    & skf18("3","8","8","6","1","3","1") = "7"
    & skf18("3","8","8","6","1","4","1") = "7"
    & skf18("3","8","8","6","1","5","1") = "7"
    & skf18("3","8","8","6","1","6","1") = "7"
    & skf18("3","8","8","6","1","7","1") = "7"
    & skf18("3","8","8","6","1","8","1") = "7"
    & skf18("3","8","8","6","1","9","1") = "8"
    & skf18("3","8","8","6","1","10","1") = "9"
    & skf18("3","8","8","6","2","1","1") = "7"
    & skf18("3","8","8","6","2","2","1") = "7"
    & skf18("3","8","8","6","2","3","1") = "7"
    & skf18("3","8","8","6","2","4","1") = "7"
    & skf18("3","8","8","6","2","5","1") = "7"
    & skf18("3","8","8","6","2","6","1") = "7"
    & skf18("3","8","8","6","2","7","1") = "7"
    & skf18("3","8","8","6","2","8","1") = "7"
    & skf18("3","8","8","6","2","9","1") = "8"
    & skf18("3","8","8","6","2","10","1") = "9"
    & skf18("3","8","8","6","3","1","1") = "7"
    & skf18("3","8","8","6","3","2","1") = "7"
    & skf18("3","8","8","6","3","3","1") = "7"
    & skf18("3","8","8","6","3","4","1") = "7"
    & skf18("3","8","8","6","3","5","1") = "7"
    & skf18("3","8","8","6","3","6","1") = "7"
    & skf18("3","8","8","6","3","7","1") = "7"
    & skf18("3","8","8","6","3","8","1") = "7"
    & skf18("3","8","8","6","3","9","1") = "8"
    & skf18("3","8","8","6","3","10","1") = "9"
    & skf18("3","8","8","6","4","1","1") = "7"
    & skf18("3","8","8","6","4","2","1") = "7"
    & skf18("3","8","8","6","4","3","1") = "7"
    & skf18("3","8","8","6","4","4","1") = "7"
    & skf18("3","8","8","6","4","5","1") = "7"
    & skf18("3","8","8","6","4","6","1") = "7"
    & skf18("3","8","8","6","4","7","1") = "7"
    & skf18("3","8","8","6","4","8","1") = "7"
    & skf18("3","8","8","6","4","9","1") = "8"
    & skf18("3","8","8","6","4","10","1") = "9"
    & skf18("3","8","8","6","5","1","1") = "7"
    & skf18("3","8","8","6","5","2","1") = "7"
    & skf18("3","8","8","6","5","3","1") = "7"
    & skf18("3","8","8","6","5","4","1") = "7"
    & skf18("3","8","8","6","5","5","1") = "7"
    & skf18("3","8","8","6","5","6","1") = "7"
    & skf18("3","8","8","6","5","7","1") = "7"
    & skf18("3","8","8","6","5","8","1") = "7"
    & skf18("3","8","8","6","5","9","1") = "8"
    & skf18("3","8","8","6","5","10","1") = "9"
    & skf18("3","8","8","6","6","1","1") = "7"
    & skf18("3","8","8","6","6","2","1") = "7"
    & skf18("3","8","8","6","6","3","1") = "7"
    & skf18("3","8","8","6","6","4","1") = "7"
    & skf18("3","8","8","6","6","5","1") = "7"
    & skf18("3","8","8","6","6","6","1") = "7"
    & skf18("3","8","8","6","6","7","1") = "7"
    & skf18("3","8","8","6","6","8","1") = "7"
    & skf18("3","8","8","6","6","9","1") = "8"
    & skf18("3","8","8","6","6","10","1") = "9"
    & skf18("3","8","8","6","7","1","1") = "7"
    & skf18("3","8","8","6","7","2","1") = "7"
    & skf18("3","8","8","6","7","3","1") = "7"
    & skf18("3","8","8","6","7","4","1") = "7"
    & skf18("3","8","8","6","7","5","1") = "7"
    & skf18("3","8","8","6","7","6","1") = "7"
    & skf18("3","8","8","6","7","7","1") = "7"
    & skf18("3","8","8","6","7","8","1") = "7"
    & skf18("3","8","8","6","7","9","1") = "8"
    & skf18("3","8","8","6","7","10","1") = "9"
    & skf18("3","8","8","6","8","1","1") = "7"
    & skf18("3","8","8","6","8","2","1") = "7"
    & skf18("3","8","8","6","8","3","1") = "7"
    & skf18("3","8","8","6","8","4","1") = "7"
    & skf18("3","8","8","6","8","5","1") = "7"
    & skf18("3","8","8","6","8","6","1") = "7"
    & skf18("3","8","8","6","8","7","1") = "7"
    & skf18("3","8","8","6","8","8","1") = "7"
    & skf18("3","8","8","6","8","9","1") = "8"
    & skf18("3","8","8","6","8","10","1") = "9"
    & skf18("3","8","8","6","9","1","1") = "8"
    & skf18("3","8","8","6","9","2","1") = "8"
    & skf18("3","8","8","6","9","3","1") = "8"
    & skf18("3","8","8","6","9","4","1") = "8"
    & skf18("3","8","8","6","9","5","1") = "8"
    & skf18("3","8","8","6","9","6","1") = "8"
    & skf18("3","8","8","6","9","7","1") = "8"
    & skf18("3","8","8","6","9","8","1") = "8"
    & skf18("3","8","8","6","9","9","1") = "8"
    & skf18("3","8","8","6","9","10","1") = "9"
    & skf18("3","8","8","6","10","1","1") = "9"
    & skf18("3","8","8","6","10","2","1") = "9"
    & skf18("3","8","8","6","10","3","1") = "9"
    & skf18("3","8","8","6","10","4","1") = "9"
    & skf18("3","8","8","6","10","5","1") = "9"
    & skf18("3","8","8","6","10","6","1") = "9"
    & skf18("3","8","8","6","10","7","1") = "9"
    & skf18("3","8","8","6","10","8","1") = "9"
    & skf18("3","8","8","6","10","9","1") = "9"
    & skf18("3","8","8","6","10","10","1") = "9"
    & skf18("3","8","8","7","1","1","1") = "7"
    & skf18("3","8","8","7","1","2","1") = "7"
    & skf18("3","8","8","7","1","3","1") = "7"
    & skf18("3","8","8","7","1","4","1") = "7"
    & skf18("3","8","8","7","1","5","1") = "7"
    & skf18("3","8","8","7","1","6","1") = "7"
    & skf18("3","8","8","7","1","7","1") = "7"
    & skf18("3","8","8","7","1","8","1") = "7"
    & skf18("3","8","8","7","1","9","1") = "8"
    & skf18("3","8","8","7","1","10","1") = "9"
    & skf18("3","8","8","7","2","1","1") = "7"
    & skf18("3","8","8","7","2","2","1") = "7"
    & skf18("3","8","8","7","2","3","1") = "7"
    & skf18("3","8","8","7","2","4","1") = "7"
    & skf18("3","8","8","7","2","5","1") = "7"
    & skf18("3","8","8","7","2","6","1") = "7"
    & skf18("3","8","8","7","2","7","1") = "7"
    & skf18("3","8","8","7","2","8","1") = "7"
    & skf18("3","8","8","7","2","9","1") = "8"
    & skf18("3","8","8","7","2","10","1") = "9"
    & skf18("3","8","8","7","3","1","1") = "7"
    & skf18("3","8","8","7","3","2","1") = "7"
    & skf18("3","8","8","7","3","3","1") = "7"
    & skf18("3","8","8","7","3","4","1") = "7"
    & skf18("3","8","8","7","3","5","1") = "7"
    & skf18("3","8","8","7","3","6","1") = "7"
    & skf18("3","8","8","7","3","7","1") = "7"
    & skf18("3","8","8","7","3","8","1") = "7"
    & skf18("3","8","8","7","3","9","1") = "8"
    & skf18("3","8","8","7","3","10","1") = "9"
    & skf18("3","8","8","7","4","1","1") = "7"
    & skf18("3","8","8","7","4","2","1") = "7"
    & skf18("3","8","8","7","4","3","1") = "7"
    & skf18("3","8","8","7","4","4","1") = "7"
    & skf18("3","8","8","7","4","5","1") = "7"
    & skf18("3","8","8","7","4","6","1") = "7"
    & skf18("3","8","8","7","4","7","1") = "7"
    & skf18("3","8","8","7","4","8","1") = "7"
    & skf18("3","8","8","7","4","9","1") = "8"
    & skf18("3","8","8","7","4","10","1") = "9"
    & skf18("3","8","8","7","5","1","1") = "7"
    & skf18("3","8","8","7","5","2","1") = "7"
    & skf18("3","8","8","7","5","3","1") = "7"
    & skf18("3","8","8","7","5","4","1") = "7"
    & skf18("3","8","8","7","5","5","1") = "7"
    & skf18("3","8","8","7","5","6","1") = "7"
    & skf18("3","8","8","7","5","7","1") = "7"
    & skf18("3","8","8","7","5","8","1") = "7"
    & skf18("3","8","8","7","5","9","1") = "8"
    & skf18("3","8","8","7","5","10","1") = "9"
    & skf18("3","8","8","7","6","1","1") = "7"
    & skf18("3","8","8","7","6","2","1") = "7"
    & skf18("3","8","8","7","6","3","1") = "7"
    & skf18("3","8","8","7","6","4","1") = "7"
    & skf18("3","8","8","7","6","5","1") = "7"
    & skf18("3","8","8","7","6","6","1") = "7"
    & skf18("3","8","8","7","6","7","1") = "7"
    & skf18("3","8","8","7","6","8","1") = "7"
    & skf18("3","8","8","7","6","9","1") = "8"
    & skf18("3","8","8","7","6","10","1") = "9"
    & skf18("3","8","8","7","7","1","1") = "7"
    & skf18("3","8","8","7","7","2","1") = "7"
    & skf18("3","8","8","7","7","3","1") = "7"
    & skf18("3","8","8","7","7","4","1") = "7"
    & skf18("3","8","8","7","7","5","1") = "7"
    & skf18("3","8","8","7","7","6","1") = "7"
    & skf18("3","8","8","7","7","7","1") = "7"
    & skf18("3","8","8","7","7","8","1") = "7"
    & skf18("3","8","8","7","7","9","1") = "8"
    & skf18("3","8","8","7","7","10","1") = "9"
    & skf18("3","8","8","7","8","1","1") = "7"
    & skf18("3","8","8","7","8","2","1") = "7"
    & skf18("3","8","8","7","8","3","1") = "7"
    & skf18("3","8","8","7","8","4","1") = "7"
    & skf18("3","8","8","7","8","5","1") = "7"
    & skf18("3","8","8","7","8","6","1") = "7"
    & skf18("3","8","8","7","8","7","1") = "7"
    & skf18("3","8","8","7","8","8","1") = "7"
    & skf18("3","8","8","7","8","9","1") = "8"
    & skf18("3","8","8","7","8","10","1") = "9"
    & skf18("3","8","8","7","9","1","1") = "8"
    & skf18("3","8","8","7","9","2","1") = "8"
    & skf18("3","8","8","7","9","3","1") = "8"
    & skf18("3","8","8","7","9","4","1") = "8"
    & skf18("3","8","8","7","9","5","1") = "8"
    & skf18("3","8","8","7","9","6","1") = "8"
    & skf18("3","8","8","7","9","7","1") = "8"
    & skf18("3","8","8","7","9","8","1") = "8"
    & skf18("3","8","8","7","9","9","1") = "8"
    & skf18("3","8","8","7","9","10","1") = "9"
    & skf18("3","8","8","7","10","1","1") = "9"
    & skf18("3","8","8","7","10","2","1") = "9"
    & skf18("3","8","8","7","10","3","1") = "9"
    & skf18("3","8","8","7","10","4","1") = "9"
    & skf18("3","8","8","7","10","5","1") = "9"
    & skf18("3","8","8","7","10","6","1") = "9"
    & skf18("3","8","8","7","10","7","1") = "9"
    & skf18("3","8","8","7","10","8","1") = "9"
    & skf18("3","8","8","7","10","9","1") = "9"
    & skf18("3","8","8","7","10","10","1") = "9"
    & skf18("3","8","8","8","1","1","1") = "7"
    & skf18("3","8","8","8","1","2","1") = "7"
    & skf18("3","8","8","8","1","3","1") = "7"
    & skf18("3","8","8","8","1","4","1") = "7"
    & skf18("3","8","8","8","1","5","1") = "7"
    & skf18("3","8","8","8","1","6","1") = "7"
    & skf18("3","8","8","8","1","7","1") = "7"
    & skf18("3","8","8","8","1","8","1") = "7"
    & skf18("3","8","8","8","1","9","1") = "8"
    & skf18("3","8","8","8","1","10","1") = "9"
    & skf18("3","8","8","8","2","1","1") = "7"
    & skf18("3","8","8","8","2","2","1") = "7"
    & skf18("3","8","8","8","2","3","1") = "7"
    & skf18("3","8","8","8","2","4","1") = "7"
    & skf18("3","8","8","8","2","5","1") = "7"
    & skf18("3","8","8","8","2","6","1") = "7"
    & skf18("3","8","8","8","2","7","1") = "7"
    & skf18("3","8","8","8","2","8","1") = "7"
    & skf18("3","8","8","8","2","9","1") = "8"
    & skf18("3","8","8","8","2","10","1") = "9"
    & skf18("3","8","8","8","3","1","1") = "7"
    & skf18("3","8","8","8","3","2","1") = "7"
    & skf18("3","8","8","8","3","3","1") = "7"
    & skf18("3","8","8","8","3","4","1") = "7"
    & skf18("3","8","8","8","3","5","1") = "7"
    & skf18("3","8","8","8","3","6","1") = "7"
    & skf18("3","8","8","8","3","7","1") = "7"
    & skf18("3","8","8","8","3","8","1") = "7"
    & skf18("3","8","8","8","3","9","1") = "8"
    & skf18("3","8","8","8","3","10","1") = "9"
    & skf18("3","8","8","8","4","1","1") = "7"
    & skf18("3","8","8","8","4","2","1") = "7"
    & skf18("3","8","8","8","4","3","1") = "7"
    & skf18("3","8","8","8","4","4","1") = "7"
    & skf18("3","8","8","8","4","5","1") = "7"
    & skf18("3","8","8","8","4","6","1") = "7"
    & skf18("3","8","8","8","4","7","1") = "7"
    & skf18("3","8","8","8","4","8","1") = "7"
    & skf18("3","8","8","8","4","9","1") = "8"
    & skf18("3","8","8","8","4","10","1") = "9"
    & skf18("3","8","8","8","5","1","1") = "7"
    & skf18("3","8","8","8","5","2","1") = "7"
    & skf18("3","8","8","8","5","3","1") = "7"
    & skf18("3","8","8","8","5","4","1") = "7"
    & skf18("3","8","8","8","5","5","1") = "7"
    & skf18("3","8","8","8","5","6","1") = "7"
    & skf18("3","8","8","8","5","7","1") = "7"
    & skf18("3","8","8","8","5","8","1") = "7"
    & skf18("3","8","8","8","5","9","1") = "8"
    & skf18("3","8","8","8","5","10","1") = "9"
    & skf18("3","8","8","8","6","1","1") = "7"
    & skf18("3","8","8","8","6","2","1") = "7"
    & skf18("3","8","8","8","6","3","1") = "7"
    & skf18("3","8","8","8","6","4","1") = "7"
    & skf18("3","8","8","8","6","5","1") = "7"
    & skf18("3","8","8","8","6","6","1") = "7"
    & skf18("3","8","8","8","6","7","1") = "7"
    & skf18("3","8","8","8","6","8","1") = "7"
    & skf18("3","8","8","8","6","9","1") = "8"
    & skf18("3","8","8","8","6","10","1") = "9"
    & skf18("3","8","8","8","7","1","1") = "7"
    & skf18("3","8","8","8","7","2","1") = "7"
    & skf18("3","8","8","8","7","3","1") = "7"
    & skf18("3","8","8","8","7","4","1") = "7"
    & skf18("3","8","8","8","7","5","1") = "7"
    & skf18("3","8","8","8","7","6","1") = "7"
    & skf18("3","8","8","8","7","7","1") = "7"
    & skf18("3","8","8","8","7","8","1") = "7"
    & skf18("3","8","8","8","7","9","1") = "8"
    & skf18("3","8","8","8","7","10","1") = "9"
    & skf18("3","8","8","8","8","1","1") = "7"
    & skf18("3","8","8","8","8","2","1") = "7"
    & skf18("3","8","8","8","8","3","1") = "7"
    & skf18("3","8","8","8","8","4","1") = "7"
    & skf18("3","8","8","8","8","5","1") = "7"
    & skf18("3","8","8","8","8","6","1") = "7"
    & skf18("3","8","8","8","8","7","1") = "7"
    & skf18("3","8","8","8","8","8","1") = "7"
    & skf18("3","8","8","8","8","9","1") = "8"
    & skf18("3","8","8","8","8","10","1") = "9"
    & skf18("3","8","8","8","9","1","1") = "8"
    & skf18("3","8","8","8","9","2","1") = "8"
    & skf18("3","8","8","8","9","3","1") = "8"
    & skf18("3","8","8","8","9","4","1") = "8"
    & skf18("3","8","8","8","9","5","1") = "8"
    & skf18("3","8","8","8","9","6","1") = "8"
    & skf18("3","8","8","8","9","7","1") = "8"
    & skf18("3","8","8","8","9","8","1") = "8"
    & skf18("3","8","8","8","9","9","1") = "8"
    & skf18("3","8","8","8","9","10","1") = "9"
    & skf18("3","8","8","8","10","1","1") = "9"
    & skf18("3","8","8","8","10","2","1") = "9"
    & skf18("3","8","8","8","10","3","1") = "9"
    & skf18("3","8","8","8","10","4","1") = "9"
    & skf18("3","8","8","8","10","5","1") = "9"
    & skf18("3","8","8","8","10","6","1") = "9"
    & skf18("3","8","8","8","10","7","1") = "9"
    & skf18("3","8","8","8","10","8","1") = "9"
    & skf18("3","8","8","8","10","9","1") = "9"
    & skf18("3","8","8","8","10","10","1") = "9"
    & skf18("3","8","8","9","1","1","1") = "8"
    & skf18("3","8","8","9","1","2","1") = "8"
    & skf18("3","8","8","9","1","3","1") = "8"
    & skf18("3","8","8","9","1","4","1") = "8"
    & skf18("3","8","8","9","1","5","1") = "8"
    & skf18("3","8","8","9","1","6","1") = "8"
    & skf18("3","8","8","9","1","7","1") = "8"
    & skf18("3","8","8","9","1","8","1") = "8"
    & skf18("3","8","8","9","1","9","1") = "8"
    & skf18("3","8","8","9","1","10","1") = "9"
    & skf18("3","8","8","9","2","1","1") = "8"
    & skf18("3","8","8","9","2","2","1") = "8"
    & skf18("3","8","8","9","2","3","1") = "8"
    & skf18("3","8","8","9","2","4","1") = "8"
    & skf18("3","8","8","9","2","5","1") = "8"
    & skf18("3","8","8","9","2","6","1") = "8"
    & skf18("3","8","8","9","2","7","1") = "8"
    & skf18("3","8","8","9","2","8","1") = "8"
    & skf18("3","8","8","9","2","9","1") = "8"
    & skf18("3","8","8","9","2","10","1") = "9"
    & skf18("3","8","8","9","3","1","1") = "8"
    & skf18("3","8","8","9","3","2","1") = "8"
    & skf18("3","8","8","9","3","3","1") = "8"
    & skf18("3","8","8","9","3","4","1") = "8"
    & skf18("3","8","8","9","3","5","1") = "8"
    & skf18("3","8","8","9","3","6","1") = "8"
    & skf18("3","8","8","9","3","7","1") = "8"
    & skf18("3","8","8","9","3","8","1") = "8"
    & skf18("3","8","8","9","3","9","1") = "8"
    & skf18("3","8","8","9","3","10","1") = "9"
    & skf18("3","8","8","9","4","1","1") = "8"
    & skf18("3","8","8","9","4","2","1") = "8"
    & skf18("3","8","8","9","4","3","1") = "8"
    & skf18("3","8","8","9","4","4","1") = "8"
    & skf18("3","8","8","9","4","5","1") = "8"
    & skf18("3","8","8","9","4","6","1") = "8"
    & skf18("3","8","8","9","4","7","1") = "8"
    & skf18("3","8","8","9","4","8","1") = "8"
    & skf18("3","8","8","9","4","9","1") = "8"
    & skf18("3","8","8","9","4","10","1") = "9"
    & skf18("3","8","8","9","5","1","1") = "8"
    & skf18("3","8","8","9","5","2","1") = "8"
    & skf18("3","8","8","9","5","3","1") = "8"
    & skf18("3","8","8","9","5","4","1") = "8"
    & skf18("3","8","8","9","5","5","1") = "8"
    & skf18("3","8","8","9","5","6","1") = "8"
    & skf18("3","8","8","9","5","7","1") = "8"
    & skf18("3","8","8","9","5","8","1") = "8"
    & skf18("3","8","8","9","5","9","1") = "8"
    & skf18("3","8","8","9","5","10","1") = "9"
    & skf18("3","8","8","9","6","1","1") = "8"
    & skf18("3","8","8","9","6","2","1") = "8"
    & skf18("3","8","8","9","6","3","1") = "8"
    & skf18("3","8","8","9","6","4","1") = "8"
    & skf18("3","8","8","9","6","5","1") = "8"
    & skf18("3","8","8","9","6","6","1") = "8"
    & skf18("3","8","8","9","6","7","1") = "8"
    & skf18("3","8","8","9","6","8","1") = "8"
    & skf18("3","8","8","9","6","9","1") = "8"
    & skf18("3","8","8","9","6","10","1") = "9"
    & skf18("3","8","8","9","7","1","1") = "8"
    & skf18("3","8","8","9","7","2","1") = "8"
    & skf18("3","8","8","9","7","3","1") = "8"
    & skf18("3","8","8","9","7","4","1") = "8"
    & skf18("3","8","8","9","7","5","1") = "8"
    & skf18("3","8","8","9","7","6","1") = "8"
    & skf18("3","8","8","9","7","7","1") = "8"
    & skf18("3","8","8","9","7","8","1") = "8"
    & skf18("3","8","8","9","7","9","1") = "8"
    & skf18("3","8","8","9","7","10","1") = "9"
    & skf18("3","8","8","9","8","1","1") = "8"
    & skf18("3","8","8","9","8","2","1") = "8"
    & skf18("3","8","8","9","8","3","1") = "8"
    & skf18("3","8","8","9","8","4","1") = "8"
    & skf18("3","8","8","9","8","5","1") = "8"
    & skf18("3","8","8","9","8","6","1") = "8"
    & skf18("3","8","8","9","8","7","1") = "8"
    & skf18("3","8","8","9","8","8","1") = "8"
    & skf18("3","8","8","9","8","9","1") = "8"
    & skf18("3","8","8","9","8","10","1") = "9"
    & skf18("3","8","8","9","9","1","1") = "8"
    & skf18("3","8","8","9","9","2","1") = "8"
    & skf18("3","8","8","9","9","3","1") = "8"
    & skf18("3","8","8","9","9","4","1") = "8"
    & skf18("3","8","8","9","9","5","1") = "8"
    & skf18("3","8","8","9","9","6","1") = "8"
    & skf18("3","8","8","9","9","7","1") = "8"
    & skf18("3","8","8","9","9","8","1") = "8"
    & skf18("3","8","8","9","9","9","1") = "8"
    & skf18("3","8","8","9","9","10","1") = "9"
    & skf18("3","8","8","9","10","1","1") = "9"
    & skf18("3","8","8","9","10","2","1") = "9"
    & skf18("3","8","8","9","10","3","1") = "9"
    & skf18("3","8","8","9","10","4","1") = "9"
    & skf18("3","8","8","9","10","5","1") = "9"
    & skf18("3","8","8","9","10","6","1") = "9"
    & skf18("3","8","8","9","10","7","1") = "9"
    & skf18("3","8","8","9","10","8","1") = "9"
    & skf18("3","8","8","9","10","9","1") = "9"
    & skf18("3","8","8","9","10","10","1") = "9"
    & skf18("3","8","8","10","1","1","1") = "9"
    & skf18("3","8","8","10","1","2","1") = "9"
    & skf18("3","8","8","10","1","3","1") = "9"
    & skf18("3","8","8","10","1","4","1") = "9"
    & skf18("3","8","8","10","1","5","1") = "9"
    & skf18("3","8","8","10","1","6","1") = "9"
    & skf18("3","8","8","10","1","7","1") = "9"
    & skf18("3","8","8","10","1","8","1") = "9"
    & skf18("3","8","8","10","1","9","1") = "9"
    & skf18("3","8","8","10","1","10","1") = "9"
    & skf18("3","8","8","10","2","1","1") = "9"
    & skf18("3","8","8","10","2","2","1") = "9"
    & skf18("3","8","8","10","2","3","1") = "9"
    & skf18("3","8","8","10","2","4","1") = "9"
    & skf18("3","8","8","10","2","5","1") = "9"
    & skf18("3","8","8","10","2","6","1") = "9"
    & skf18("3","8","8","10","2","7","1") = "9"
    & skf18("3","8","8","10","2","8","1") = "9"
    & skf18("3","8","8","10","2","9","1") = "9"
    & skf18("3","8","8","10","2","10","1") = "9"
    & skf18("3","8","8","10","3","1","1") = "9"
    & skf18("3","8","8","10","3","2","1") = "9"
    & skf18("3","8","8","10","3","3","1") = "9"
    & skf18("3","8","8","10","3","4","1") = "9"
    & skf18("3","8","8","10","3","5","1") = "9"
    & skf18("3","8","8","10","3","6","1") = "9"
    & skf18("3","8","8","10","3","7","1") = "9"
    & skf18("3","8","8","10","3","8","1") = "9"
    & skf18("3","8","8","10","3","9","1") = "9"
    & skf18("3","8","8","10","3","10","1") = "9"
    & skf18("3","8","8","10","4","1","1") = "9"
    & skf18("3","8","8","10","4","2","1") = "9"
    & skf18("3","8","8","10","4","3","1") = "9"
    & skf18("3","8","8","10","4","4","1") = "9"
    & skf18("3","8","8","10","4","5","1") = "9"
    & skf18("3","8","8","10","4","6","1") = "9"
    & skf18("3","8","8","10","4","7","1") = "9"
    & skf18("3","8","8","10","4","8","1") = "9"
    & skf18("3","8","8","10","4","9","1") = "9"
    & skf18("3","8","8","10","4","10","1") = "9"
    & skf18("3","8","8","10","5","1","1") = "9"
    & skf18("3","8","8","10","5","2","1") = "9"
    & skf18("3","8","8","10","5","3","1") = "9"
    & skf18("3","8","8","10","5","4","1") = "9"
    & skf18("3","8","8","10","5","5","1") = "9"
    & skf18("3","8","8","10","5","6","1") = "9"
    & skf18("3","8","8","10","5","7","1") = "9"
    & skf18("3","8","8","10","5","8","1") = "9"
    & skf18("3","8","8","10","5","9","1") = "9"
    & skf18("3","8","8","10","5","10","1") = "9"
    & skf18("3","8","8","10","6","1","1") = "9"
    & skf18("3","8","8","10","6","2","1") = "9"
    & skf18("3","8","8","10","6","3","1") = "9"
    & skf18("3","8","8","10","6","4","1") = "9"
    & skf18("3","8","8","10","6","5","1") = "9"
    & skf18("3","8","8","10","6","6","1") = "9"
    & skf18("3","8","8","10","6","7","1") = "9"
    & skf18("3","8","8","10","6","8","1") = "9"
    & skf18("3","8","8","10","6","9","1") = "9"
    & skf18("3","8","8","10","6","10","1") = "9"
    & skf18("3","8","8","10","7","1","1") = "9"
    & skf18("3","8","8","10","7","2","1") = "9"
    & skf18("3","8","8","10","7","3","1") = "9"
    & skf18("3","8","8","10","7","4","1") = "9"
    & skf18("3","8","8","10","7","5","1") = "9"
    & skf18("3","8","8","10","7","6","1") = "9"
    & skf18("3","8","8","10","7","7","1") = "9"
    & skf18("3","8","8","10","7","8","1") = "9"
    & skf18("3","8","8","10","7","9","1") = "9"
    & skf18("3","8","8","10","7","10","1") = "9"
    & skf18("3","8","8","10","8","1","1") = "9"
    & skf18("3","8","8","10","8","2","1") = "9"
    & skf18("3","8","8","10","8","3","1") = "9"
    & skf18("3","8","8","10","8","4","1") = "9"
    & skf18("3","8","8","10","8","5","1") = "9"
    & skf18("3","8","8","10","8","6","1") = "9"
    & skf18("3","8","8","10","8","7","1") = "9"
    & skf18("3","8","8","10","8","8","1") = "9"
    & skf18("3","8","8","10","8","9","1") = "9"
    & skf18("3","8","8","10","8","10","1") = "9"
    & skf18("3","8","8","10","9","1","1") = "9"
    & skf18("3","8","8","10","9","2","1") = "9"
    & skf18("3","8","8","10","9","3","1") = "9"
    & skf18("3","8","8","10","9","4","1") = "9"
    & skf18("3","8","8","10","9","5","1") = "9"
    & skf18("3","8","8","10","9","6","1") = "9"
    & skf18("3","8","8","10","9","7","1") = "9"
    & skf18("3","8","8","10","9","8","1") = "9"
    & skf18("3","8","8","10","9","9","1") = "9"
    & skf18("3","8","8","10","9","10","1") = "9"
    & skf18("3","8","8","10","10","1","1") = "9"
    & skf18("3","8","8","10","10","2","1") = "9"
    & skf18("3","8","8","10","10","3","1") = "9"
    & skf18("3","8","8","10","10","4","1") = "9"
    & skf18("3","8","8","10","10","5","1") = "9"
    & skf18("3","8","8","10","10","6","1") = "9"
    & skf18("3","8","8","10","10","7","1") = "9"
    & skf18("3","8","8","10","10","8","1") = "9"
    & skf18("3","8","8","10","10","9","1") = "9"
    & skf18("3","8","8","10","10","10","1") = "9"
    & skf18("3","8","9","1","1","1","1") = "8"
    & skf18("3","8","9","1","1","2","1") = "8"
    & skf18("3","8","9","1","1","3","1") = "8"
    & skf18("3","8","9","1","1","4","1") = "8"
    & skf18("3","8","9","1","1","5","1") = "8"
    & skf18("3","8","9","1","1","6","1") = "8"
    & skf18("3","8","9","1","1","7","1") = "8"
    & skf18("3","8","9","1","1","8","1") = "8"
    & skf18("3","8","9","1","1","9","1") = "8"
    & skf18("3","8","9","1","1","10","1") = "9"
    & skf18("3","8","9","1","2","1","1") = "8"
    & skf18("3","8","9","1","2","2","1") = "8"
    & skf18("3","8","9","1","2","3","1") = "8"
    & skf18("3","8","9","1","2","4","1") = "8"
    & skf18("3","8","9","1","2","5","1") = "8"
    & skf18("3","8","9","1","2","6","1") = "8"
    & skf18("3","8","9","1","2","7","1") = "8"
    & skf18("3","8","9","1","2","8","1") = "8"
    & skf18("3","8","9","1","2","9","1") = "8"
    & skf18("3","8","9","1","2","10","1") = "9"
    & skf18("3","8","9","1","3","1","1") = "8"
    & skf18("3","8","9","1","3","2","1") = "8"
    & skf18("3","8","9","1","3","3","1") = "8"
    & skf18("3","8","9","1","3","4","1") = "8"
    & skf18("3","8","9","1","3","5","1") = "8"
    & skf18("3","8","9","1","3","6","1") = "8"
    & skf18("3","8","9","1","3","7","1") = "8"
    & skf18("3","8","9","1","3","8","1") = "8"
    & skf18("3","8","9","1","3","9","1") = "8"
    & skf18("3","8","9","1","3","10","1") = "9"
    & skf18("3","8","9","1","4","1","1") = "8"
    & skf18("3","8","9","1","4","2","1") = "8"
    & skf18("3","8","9","1","4","3","1") = "8"
    & skf18("3","8","9","1","4","4","1") = "8"
    & skf18("3","8","9","1","4","5","1") = "8"
    & skf18("3","8","9","1","4","6","1") = "8"
    & skf18("3","8","9","1","4","7","1") = "8"
    & skf18("3","8","9","1","4","8","1") = "8"
    & skf18("3","8","9","1","4","9","1") = "8"
    & skf18("3","8","9","1","4","10","1") = "9"
    & skf18("3","8","9","1","5","1","1") = "8"
    & skf18("3","8","9","1","5","2","1") = "8"
    & skf18("3","8","9","1","5","3","1") = "8"
    & skf18("3","8","9","1","5","4","1") = "8"
    & skf18("3","8","9","1","5","5","1") = "8"
    & skf18("3","8","9","1","5","6","1") = "8"
    & skf18("3","8","9","1","5","7","1") = "8"
    & skf18("3","8","9","1","5","8","1") = "8"
    & skf18("3","8","9","1","5","9","1") = "8"
    & skf18("3","8","9","1","5","10","1") = "9"
    & skf18("3","8","9","1","6","1","1") = "8"
    & skf18("3","8","9","1","6","2","1") = "8"
    & skf18("3","8","9","1","6","3","1") = "8"
    & skf18("3","8","9","1","6","4","1") = "8"
    & skf18("3","8","9","1","6","5","1") = "8"
    & skf18("3","8","9","1","6","6","1") = "8"
    & skf18("3","8","9","1","6","7","1") = "8"
    & skf18("3","8","9","1","6","8","1") = "8"
    & skf18("3","8","9","1","6","9","1") = "8"
    & skf18("3","8","9","1","6","10","1") = "9"
    & skf18("3","8","9","1","7","1","1") = "8"
    & skf18("3","8","9","1","7","2","1") = "8"
    & skf18("3","8","9","1","7","3","1") = "8"
    & skf18("3","8","9","1","7","4","1") = "8"
    & skf18("3","8","9","1","7","5","1") = "8"
    & skf18("3","8","9","1","7","6","1") = "8"
    & skf18("3","8","9","1","7","7","1") = "8"
    & skf18("3","8","9","1","7","8","1") = "8"
    & skf18("3","8","9","1","7","9","1") = "8"
    & skf18("3","8","9","1","7","10","1") = "9"
    & skf18("3","8","9","1","8","1","1") = "8"
    & skf18("3","8","9","1","8","2","1") = "8"
    & skf18("3","8","9","1","8","3","1") = "8"
    & skf18("3","8","9","1","8","4","1") = "8"
    & skf18("3","8","9","1","8","5","1") = "8"
    & skf18("3","8","9","1","8","6","1") = "8"
    & skf18("3","8","9","1","8","7","1") = "8"
    & skf18("3","8","9","1","8","8","1") = "8"
    & skf18("3","8","9","1","8","9","1") = "8"
    & skf18("3","8","9","1","8","10","1") = "9"
    & skf18("3","8","9","1","9","1","1") = "8"
    & skf18("3","8","9","1","9","2","1") = "8"
    & skf18("3","8","9","1","9","3","1") = "8"
    & skf18("3","8","9","1","9","4","1") = "8"
    & skf18("3","8","9","1","9","5","1") = "8"
    & skf18("3","8","9","1","9","6","1") = "8"
    & skf18("3","8","9","1","9","7","1") = "8"
    & skf18("3","8","9","1","9","8","1") = "8"
    & skf18("3","8","9","1","9","9","1") = "8"
    & skf18("3","8","9","1","9","10","1") = "9"
    & skf18("3","8","9","1","10","1","1") = "9"
    & skf18("3","8","9","1","10","2","1") = "9"
    & skf18("3","8","9","1","10","3","1") = "9"
    & skf18("3","8","9","1","10","4","1") = "9"
    & skf18("3","8","9","1","10","5","1") = "9"
    & skf18("3","8","9","1","10","6","1") = "9"
    & skf18("3","8","9","1","10","7","1") = "9"
    & skf18("3","8","9","1","10","8","1") = "9"
    & skf18("3","8","9","1","10","9","1") = "9"
    & skf18("3","8","9","1","10","10","1") = "9"
    & skf18("3","8","9","2","1","1","1") = "8"
    & skf18("3","8","9","2","1","2","1") = "8"
    & skf18("3","8","9","2","1","3","1") = "8"
    & skf18("3","8","9","2","1","4","1") = "8"
    & skf18("3","8","9","2","1","5","1") = "8"
    & skf18("3","8","9","2","1","6","1") = "8"
    & skf18("3","8","9","2","1","7","1") = "8"
    & skf18("3","8","9","2","1","8","1") = "8"
    & skf18("3","8","9","2","1","9","1") = "8"
    & skf18("3","8","9","2","1","10","1") = "9"
    & skf18("3","8","9","2","2","1","1") = "8"
    & skf18("3","8","9","2","2","2","1") = "8"
    & skf18("3","8","9","2","2","3","1") = "8"
    & skf18("3","8","9","2","2","4","1") = "8"
    & skf18("3","8","9","2","2","5","1") = "8"
    & skf18("3","8","9","2","2","6","1") = "8"
    & skf18("3","8","9","2","2","7","1") = "8"
    & skf18("3","8","9","2","2","8","1") = "8"
    & skf18("3","8","9","2","2","9","1") = "8"
    & skf18("3","8","9","2","2","10","1") = "9"
    & skf18("3","8","9","2","3","1","1") = "8"
    & skf18("3","8","9","2","3","2","1") = "8"
    & skf18("3","8","9","2","3","3","1") = "8"
    & skf18("3","8","9","2","3","4","1") = "8"
    & skf18("3","8","9","2","3","5","1") = "8"
    & skf18("3","8","9","2","3","6","1") = "8"
    & skf18("3","8","9","2","3","7","1") = "8"
    & skf18("3","8","9","2","3","8","1") = "8"
    & skf18("3","8","9","2","3","9","1") = "8"
    & skf18("3","8","9","2","3","10","1") = "9"
    & skf18("3","8","9","2","4","1","1") = "8"
    & skf18("3","8","9","2","4","2","1") = "8"
    & skf18("3","8","9","2","4","3","1") = "8"
    & skf18("3","8","9","2","4","4","1") = "8"
    & skf18("3","8","9","2","4","5","1") = "8"
    & skf18("3","8","9","2","4","6","1") = "8"
    & skf18("3","8","9","2","4","7","1") = "8"
    & skf18("3","8","9","2","4","8","1") = "8"
    & skf18("3","8","9","2","4","9","1") = "8"
    & skf18("3","8","9","2","4","10","1") = "9"
    & skf18("3","8","9","2","5","1","1") = "8"
    & skf18("3","8","9","2","5","2","1") = "8"
    & skf18("3","8","9","2","5","3","1") = "8"
    & skf18("3","8","9","2","5","4","1") = "8"
    & skf18("3","8","9","2","5","5","1") = "8"
    & skf18("3","8","9","2","5","6","1") = "8"
    & skf18("3","8","9","2","5","7","1") = "8"
    & skf18("3","8","9","2","5","8","1") = "8"
    & skf18("3","8","9","2","5","9","1") = "8"
    & skf18("3","8","9","2","5","10","1") = "9"
    & skf18("3","8","9","2","6","1","1") = "8"
    & skf18("3","8","9","2","6","2","1") = "8"
    & skf18("3","8","9","2","6","3","1") = "8"
    & skf18("3","8","9","2","6","4","1") = "8"
    & skf18("3","8","9","2","6","5","1") = "8"
    & skf18("3","8","9","2","6","6","1") = "8"
    & skf18("3","8","9","2","6","7","1") = "8"
    & skf18("3","8","9","2","6","8","1") = "8"
    & skf18("3","8","9","2","6","9","1") = "8"
    & skf18("3","8","9","2","6","10","1") = "9"
    & skf18("3","8","9","2","7","1","1") = "8"
    & skf18("3","8","9","2","7","2","1") = "8"
    & skf18("3","8","9","2","7","3","1") = "8"
    & skf18("3","8","9","2","7","4","1") = "8"
    & skf18("3","8","9","2","7","5","1") = "8"
    & skf18("3","8","9","2","7","6","1") = "8"
    & skf18("3","8","9","2","7","7","1") = "8"
    & skf18("3","8","9","2","7","8","1") = "8"
    & skf18("3","8","9","2","7","9","1") = "8"
    & skf18("3","8","9","2","7","10","1") = "9"
    & skf18("3","8","9","2","8","1","1") = "8"
    & skf18("3","8","9","2","8","2","1") = "8"
    & skf18("3","8","9","2","8","3","1") = "8"
    & skf18("3","8","9","2","8","4","1") = "8"
    & skf18("3","8","9","2","8","5","1") = "8"
    & skf18("3","8","9","2","8","6","1") = "8"
    & skf18("3","8","9","2","8","7","1") = "8"
    & skf18("3","8","9","2","8","8","1") = "8"
    & skf18("3","8","9","2","8","9","1") = "8"
    & skf18("3","8","9","2","8","10","1") = "9"
    & skf18("3","8","9","2","9","1","1") = "8"
    & skf18("3","8","9","2","9","2","1") = "8"
    & skf18("3","8","9","2","9","3","1") = "8"
    & skf18("3","8","9","2","9","4","1") = "8"
    & skf18("3","8","9","2","9","5","1") = "8"
    & skf18("3","8","9","2","9","6","1") = "8"
    & skf18("3","8","9","2","9","7","1") = "8"
    & skf18("3","8","9","2","9","8","1") = "8"
    & skf18("3","8","9","2","9","9","1") = "8"
    & skf18("3","8","9","2","9","10","1") = "9"
    & skf18("3","8","9","2","10","1","1") = "9"
    & skf18("3","8","9","2","10","2","1") = "9"
    & skf18("3","8","9","2","10","3","1") = "9"
    & skf18("3","8","9","2","10","4","1") = "9"
    & skf18("3","8","9","2","10","5","1") = "9"
    & skf18("3","8","9","2","10","6","1") = "9"
    & skf18("3","8","9","2","10","7","1") = "9"
    & skf18("3","8","9","2","10","8","1") = "9"
    & skf18("3","8","9","2","10","9","1") = "9"
    & skf18("3","8","9","2","10","10","1") = "9"
    & skf18("3","8","9","3","1","1","1") = "8"
    & skf18("3","8","9","3","1","2","1") = "8"
    & skf18("3","8","9","3","1","3","1") = "8"
    & skf18("3","8","9","3","1","4","1") = "8"
    & skf18("3","8","9","3","1","5","1") = "8"
    & skf18("3","8","9","3","1","6","1") = "8"
    & skf18("3","8","9","3","1","7","1") = "8"
    & skf18("3","8","9","3","1","8","1") = "8"
    & skf18("3","8","9","3","1","9","1") = "8"
    & skf18("3","8","9","3","1","10","1") = "9"
    & skf18("3","8","9","3","2","1","1") = "8"
    & skf18("3","8","9","3","2","2","1") = "8"
    & skf18("3","8","9","3","2","3","1") = "8"
    & skf18("3","8","9","3","2","4","1") = "8"
    & skf18("3","8","9","3","2","5","1") = "8"
    & skf18("3","8","9","3","2","6","1") = "8"
    & skf18("3","8","9","3","2","7","1") = "8"
    & skf18("3","8","9","3","2","8","1") = "8"
    & skf18("3","8","9","3","2","9","1") = "8"
    & skf18("3","8","9","3","2","10","1") = "9"
    & skf18("3","8","9","3","3","1","1") = "8"
    & skf18("3","8","9","3","3","2","1") = "8"
    & skf18("3","8","9","3","3","3","1") = "8"
    & skf18("3","8","9","3","3","4","1") = "8"
    & skf18("3","8","9","3","3","5","1") = "8"
    & skf18("3","8","9","3","3","6","1") = "8"
    & skf18("3","8","9","3","3","7","1") = "8"
    & skf18("3","8","9","3","3","8","1") = "8"
    & skf18("3","8","9","3","3","9","1") = "8"
    & skf18("3","8","9","3","3","10","1") = "9"
    & skf18("3","8","9","3","4","1","1") = "8"
    & skf18("3","8","9","3","4","2","1") = "8"
    & skf18("3","8","9","3","4","3","1") = "8"
    & skf18("3","8","9","3","4","4","1") = "8"
    & skf18("3","8","9","3","4","5","1") = "8"
    & skf18("3","8","9","3","4","6","1") = "8"
    & skf18("3","8","9","3","4","7","1") = "8"
    & skf18("3","8","9","3","4","8","1") = "8"
    & skf18("3","8","9","3","4","9","1") = "8"
    & skf18("3","8","9","3","4","10","1") = "9"
    & skf18("3","8","9","3","5","1","1") = "8"
    & skf18("3","8","9","3","5","2","1") = "8"
    & skf18("3","8","9","3","5","3","1") = "8"
    & skf18("3","8","9","3","5","4","1") = "8"
    & skf18("3","8","9","3","5","5","1") = "8"
    & skf18("3","8","9","3","5","6","1") = "8"
    & skf18("3","8","9","3","5","7","1") = "8"
    & skf18("3","8","9","3","5","8","1") = "8"
    & skf18("3","8","9","3","5","9","1") = "8"
    & skf18("3","8","9","3","5","10","1") = "9"
    & skf18("3","8","9","3","6","1","1") = "8"
    & skf18("3","8","9","3","6","2","1") = "8"
    & skf18("3","8","9","3","6","3","1") = "8"
    & skf18("3","8","9","3","6","4","1") = "8"
    & skf18("3","8","9","3","6","5","1") = "8"
    & skf18("3","8","9","3","6","6","1") = "8"
    & skf18("3","8","9","3","6","7","1") = "8"
    & skf18("3","8","9","3","6","8","1") = "8"
    & skf18("3","8","9","3","6","9","1") = "8"
    & skf18("3","8","9","3","6","10","1") = "9"
    & skf18("3","8","9","3","7","1","1") = "8"
    & skf18("3","8","9","3","7","2","1") = "8"
    & skf18("3","8","9","3","7","3","1") = "8"
    & skf18("3","8","9","3","7","4","1") = "8"
    & skf18("3","8","9","3","7","5","1") = "8"
    & skf18("3","8","9","3","7","6","1") = "8"
    & skf18("3","8","9","3","7","7","1") = "8"
    & skf18("3","8","9","3","7","8","1") = "8"
    & skf18("3","8","9","3","7","9","1") = "8"
    & skf18("3","8","9","3","7","10","1") = "9"
    & skf18("3","8","9","3","8","1","1") = "8"
    & skf18("3","8","9","3","8","2","1") = "8"
    & skf18("3","8","9","3","8","3","1") = "8"
    & skf18("3","8","9","3","8","4","1") = "8"
    & skf18("3","8","9","3","8","5","1") = "8"
    & skf18("3","8","9","3","8","6","1") = "8"
    & skf18("3","8","9","3","8","7","1") = "8"
    & skf18("3","8","9","3","8","8","1") = "8"
    & skf18("3","8","9","3","8","9","1") = "8"
    & skf18("3","8","9","3","8","10","1") = "9"
    & skf18("3","8","9","3","9","1","1") = "8"
    & skf18("3","8","9","3","9","2","1") = "8"
    & skf18("3","8","9","3","9","3","1") = "8"
    & skf18("3","8","9","3","9","4","1") = "8"
    & skf18("3","8","9","3","9","5","1") = "8"
    & skf18("3","8","9","3","9","6","1") = "8"
    & skf18("3","8","9","3","9","7","1") = "8"
    & skf18("3","8","9","3","9","8","1") = "8"
    & skf18("3","8","9","3","9","9","1") = "8"
    & skf18("3","8","9","3","9","10","1") = "9"
    & skf18("3","8","9","3","10","1","1") = "9"
    & skf18("3","8","9","3","10","2","1") = "9"
    & skf18("3","8","9","3","10","3","1") = "9"
    & skf18("3","8","9","3","10","4","1") = "9"
    & skf18("3","8","9","3","10","5","1") = "9"
    & skf18("3","8","9","3","10","6","1") = "9"
    & skf18("3","8","9","3","10","7","1") = "9"
    & skf18("3","8","9","3","10","8","1") = "9"
    & skf18("3","8","9","3","10","9","1") = "9"
    & skf18("3","8","9","3","10","10","1") = "9"
    & skf18("3","8","9","4","1","1","1") = "8"
    & skf18("3","8","9","4","1","2","1") = "8"
    & skf18("3","8","9","4","1","3","1") = "8"
    & skf18("3","8","9","4","1","4","1") = "8"
    & skf18("3","8","9","4","1","5","1") = "8"
    & skf18("3","8","9","4","1","6","1") = "8"
    & skf18("3","8","9","4","1","7","1") = "8"
    & skf18("3","8","9","4","1","8","1") = "8"
    & skf18("3","8","9","4","1","9","1") = "8"
    & skf18("3","8","9","4","1","10","1") = "9"
    & skf18("3","8","9","4","2","1","1") = "8"
    & skf18("3","8","9","4","2","2","1") = "8"
    & skf18("3","8","9","4","2","3","1") = "8"
    & skf18("3","8","9","4","2","4","1") = "8"
    & skf18("3","8","9","4","2","5","1") = "8"
    & skf18("3","8","9","4","2","6","1") = "8"
    & skf18("3","8","9","4","2","7","1") = "8"
    & skf18("3","8","9","4","2","8","1") = "8"
    & skf18("3","8","9","4","2","9","1") = "8"
    & skf18("3","8","9","4","2","10","1") = "9"
    & skf18("3","8","9","4","3","1","1") = "8"
    & skf18("3","8","9","4","3","2","1") = "8"
    & skf18("3","8","9","4","3","3","1") = "8"
    & skf18("3","8","9","4","3","4","1") = "8"
    & skf18("3","8","9","4","3","5","1") = "8"
    & skf18("3","8","9","4","3","6","1") = "8"
    & skf18("3","8","9","4","3","7","1") = "8"
    & skf18("3","8","9","4","3","8","1") = "8"
    & skf18("3","8","9","4","3","9","1") = "8"
    & skf18("3","8","9","4","3","10","1") = "9"
    & skf18("3","8","9","4","4","1","1") = "8"
    & skf18("3","8","9","4","4","2","1") = "8"
    & skf18("3","8","9","4","4","3","1") = "8"
    & skf18("3","8","9","4","4","4","1") = "8"
    & skf18("3","8","9","4","4","5","1") = "8"
    & skf18("3","8","9","4","4","6","1") = "8"
    & skf18("3","8","9","4","4","7","1") = "8"
    & skf18("3","8","9","4","4","8","1") = "8"
    & skf18("3","8","9","4","4","9","1") = "8"
    & skf18("3","8","9","4","4","10","1") = "9"
    & skf18("3","8","9","4","5","1","1") = "8"
    & skf18("3","8","9","4","5","2","1") = "8"
    & skf18("3","8","9","4","5","3","1") = "8"
    & skf18("3","8","9","4","5","4","1") = "8"
    & skf18("3","8","9","4","5","5","1") = "8"
    & skf18("3","8","9","4","5","6","1") = "8"
    & skf18("3","8","9","4","5","7","1") = "8"
    & skf18("3","8","9","4","5","8","1") = "8"
    & skf18("3","8","9","4","5","9","1") = "8"
    & skf18("3","8","9","4","5","10","1") = "9"
    & skf18("3","8","9","4","6","1","1") = "8"
    & skf18("3","8","9","4","6","2","1") = "8"
    & skf18("3","8","9","4","6","3","1") = "8"
    & skf18("3","8","9","4","6","4","1") = "8"
    & skf18("3","8","9","4","6","5","1") = "8"
    & skf18("3","8","9","4","6","6","1") = "8"
    & skf18("3","8","9","4","6","7","1") = "8"
    & skf18("3","8","9","4","6","8","1") = "8"
    & skf18("3","8","9","4","6","9","1") = "8"
    & skf18("3","8","9","4","6","10","1") = "9"
    & skf18("3","8","9","4","7","1","1") = "8"
    & skf18("3","8","9","4","7","2","1") = "8"
    & skf18("3","8","9","4","7","3","1") = "8"
    & skf18("3","8","9","4","7","4","1") = "8"
    & skf18("3","8","9","4","7","5","1") = "8"
    & skf18("3","8","9","4","7","6","1") = "8"
    & skf18("3","8","9","4","7","7","1") = "8"
    & skf18("3","8","9","4","7","8","1") = "8"
    & skf18("3","8","9","4","7","9","1") = "8"
    & skf18("3","8","9","4","7","10","1") = "9"
    & skf18("3","8","9","4","8","1","1") = "8"
    & skf18("3","8","9","4","8","2","1") = "8"
    & skf18("3","8","9","4","8","3","1") = "8"
    & skf18("3","8","9","4","8","4","1") = "8"
    & skf18("3","8","9","4","8","5","1") = "8"
    & skf18("3","8","9","4","8","6","1") = "8"
    & skf18("3","8","9","4","8","7","1") = "8"
    & skf18("3","8","9","4","8","8","1") = "8"
    & skf18("3","8","9","4","8","9","1") = "8"
    & skf18("3","8","9","4","8","10","1") = "9"
    & skf18("3","8","9","4","9","1","1") = "8"
    & skf18("3","8","9","4","9","2","1") = "8"
    & skf18("3","8","9","4","9","3","1") = "8"
    & skf18("3","8","9","4","9","4","1") = "8"
    & skf18("3","8","9","4","9","5","1") = "8"
    & skf18("3","8","9","4","9","6","1") = "8"
    & skf18("3","8","9","4","9","7","1") = "8"
    & skf18("3","8","9","4","9","8","1") = "8"
    & skf18("3","8","9","4","9","9","1") = "8"
    & skf18("3","8","9","4","9","10","1") = "9"
    & skf18("3","8","9","4","10","1","1") = "9"
    & skf18("3","8","9","4","10","2","1") = "9"
    & skf18("3","8","9","4","10","3","1") = "9"
    & skf18("3","8","9","4","10","4","1") = "9"
    & skf18("3","8","9","4","10","5","1") = "9"
    & skf18("3","8","9","4","10","6","1") = "9"
    & skf18("3","8","9","4","10","7","1") = "9"
    & skf18("3","8","9","4","10","8","1") = "9"
    & skf18("3","8","9","4","10","9","1") = "9"
    & skf18("3","8","9","4","10","10","1") = "9"
    & skf18("3","8","9","5","1","1","1") = "8"
    & skf18("3","8","9","5","1","2","1") = "8"
    & skf18("3","8","9","5","1","3","1") = "8"
    & skf18("3","8","9","5","1","4","1") = "8"
    & skf18("3","8","9","5","1","5","1") = "8"
    & skf18("3","8","9","5","1","6","1") = "8"
    & skf18("3","8","9","5","1","7","1") = "8"
    & skf18("3","8","9","5","1","8","1") = "8"
    & skf18("3","8","9","5","1","9","1") = "8"
    & skf18("3","8","9","5","1","10","1") = "9"
    & skf18("3","8","9","5","2","1","1") = "8"
    & skf18("3","8","9","5","2","2","1") = "8"
    & skf18("3","8","9","5","2","3","1") = "8"
    & skf18("3","8","9","5","2","4","1") = "8"
    & skf18("3","8","9","5","2","5","1") = "8"
    & skf18("3","8","9","5","2","6","1") = "8"
    & skf18("3","8","9","5","2","7","1") = "8"
    & skf18("3","8","9","5","2","8","1") = "8"
    & skf18("3","8","9","5","2","9","1") = "8"
    & skf18("3","8","9","5","2","10","1") = "9"
    & skf18("3","8","9","5","3","1","1") = "8"
    & skf18("3","8","9","5","3","2","1") = "8"
    & skf18("3","8","9","5","3","3","1") = "8"
    & skf18("3","8","9","5","3","4","1") = "8"
    & skf18("3","8","9","5","3","5","1") = "8"
    & skf18("3","8","9","5","3","6","1") = "8"
    & skf18("3","8","9","5","3","7","1") = "8"
    & skf18("3","8","9","5","3","8","1") = "8"
    & skf18("3","8","9","5","3","9","1") = "8"
    & skf18("3","8","9","5","3","10","1") = "9"
    & skf18("3","8","9","5","4","1","1") = "8"
    & skf18("3","8","9","5","4","2","1") = "8"
    & skf18("3","8","9","5","4","3","1") = "8"
    & skf18("3","8","9","5","4","4","1") = "8"
    & skf18("3","8","9","5","4","5","1") = "8"
    & skf18("3","8","9","5","4","6","1") = "8"
    & skf18("3","8","9","5","4","7","1") = "8"
    & skf18("3","8","9","5","4","8","1") = "8"
    & skf18("3","8","9","5","4","9","1") = "8"
    & skf18("3","8","9","5","4","10","1") = "9"
    & skf18("3","8","9","5","5","1","1") = "8"
    & skf18("3","8","9","5","5","2","1") = "8"
    & skf18("3","8","9","5","5","3","1") = "8"
    & skf18("3","8","9","5","5","4","1") = "8"
    & skf18("3","8","9","5","5","5","1") = "8"
    & skf18("3","8","9","5","5","6","1") = "8"
    & skf18("3","8","9","5","5","7","1") = "8"
    & skf18("3","8","9","5","5","8","1") = "8"
    & skf18("3","8","9","5","5","9","1") = "8"
    & skf18("3","8","9","5","5","10","1") = "9"
    & skf18("3","8","9","5","6","1","1") = "8"
    & skf18("3","8","9","5","6","2","1") = "8"
    & skf18("3","8","9","5","6","3","1") = "8"
    & skf18("3","8","9","5","6","4","1") = "8"
    & skf18("3","8","9","5","6","5","1") = "8"
    & skf18("3","8","9","5","6","6","1") = "8"
    & skf18("3","8","9","5","6","7","1") = "8"
    & skf18("3","8","9","5","6","8","1") = "8"
    & skf18("3","8","9","5","6","9","1") = "8"
    & skf18("3","8","9","5","6","10","1") = "9"
    & skf18("3","8","9","5","7","1","1") = "8"
    & skf18("3","8","9","5","7","2","1") = "8"
    & skf18("3","8","9","5","7","3","1") = "8"
    & skf18("3","8","9","5","7","4","1") = "8"
    & skf18("3","8","9","5","7","5","1") = "8"
    & skf18("3","8","9","5","7","6","1") = "8"
    & skf18("3","8","9","5","7","7","1") = "8"
    & skf18("3","8","9","5","7","8","1") = "8"
    & skf18("3","8","9","5","7","9","1") = "8"
    & skf18("3","8","9","5","7","10","1") = "9"
    & skf18("3","8","9","5","8","1","1") = "8"
    & skf18("3","8","9","5","8","2","1") = "8"
    & skf18("3","8","9","5","8","3","1") = "8"
    & skf18("3","8","9","5","8","4","1") = "8"
    & skf18("3","8","9","5","8","5","1") = "8"
    & skf18("3","8","9","5","8","6","1") = "8"
    & skf18("3","8","9","5","8","7","1") = "8"
    & skf18("3","8","9","5","8","8","1") = "8"
    & skf18("3","8","9","5","8","9","1") = "8"
    & skf18("3","8","9","5","8","10","1") = "9"
    & skf18("3","8","9","5","9","1","1") = "8"
    & skf18("3","8","9","5","9","2","1") = "8"
    & skf18("3","8","9","5","9","3","1") = "8"
    & skf18("3","8","9","5","9","4","1") = "8"
    & skf18("3","8","9","5","9","5","1") = "8"
    & skf18("3","8","9","5","9","6","1") = "8"
    & skf18("3","8","9","5","9","7","1") = "8"
    & skf18("3","8","9","5","9","8","1") = "8"
    & skf18("3","8","9","5","9","9","1") = "8"
    & skf18("3","8","9","5","9","10","1") = "9"
    & skf18("3","8","9","5","10","1","1") = "9"
    & skf18("3","8","9","5","10","2","1") = "9"
    & skf18("3","8","9","5","10","3","1") = "9"
    & skf18("3","8","9","5","10","4","1") = "9"
    & skf18("3","8","9","5","10","5","1") = "9"
    & skf18("3","8","9","5","10","6","1") = "9"
    & skf18("3","8","9","5","10","7","1") = "9"
    & skf18("3","8","9","5","10","8","1") = "9"
    & skf18("3","8","9","5","10","9","1") = "9"
    & skf18("3","8","9","5","10","10","1") = "9"
    & skf18("3","8","9","6","1","1","1") = "8"
    & skf18("3","8","9","6","1","2","1") = "8"
    & skf18("3","8","9","6","1","3","1") = "8"
    & skf18("3","8","9","6","1","4","1") = "8"
    & skf18("3","8","9","6","1","5","1") = "8"
    & skf18("3","8","9","6","1","6","1") = "8"
    & skf18("3","8","9","6","1","7","1") = "8"
    & skf18("3","8","9","6","1","8","1") = "8"
    & skf18("3","8","9","6","1","9","1") = "8"
    & skf18("3","8","9","6","1","10","1") = "9"
    & skf18("3","8","9","6","2","1","1") = "8"
    & skf18("3","8","9","6","2","2","1") = "8"
    & skf18("3","8","9","6","2","3","1") = "8"
    & skf18("3","8","9","6","2","4","1") = "8"
    & skf18("3","8","9","6","2","5","1") = "8"
    & skf18("3","8","9","6","2","6","1") = "8"
    & skf18("3","8","9","6","2","7","1") = "8"
    & skf18("3","8","9","6","2","8","1") = "8"
    & skf18("3","8","9","6","2","9","1") = "8"
    & skf18("3","8","9","6","2","10","1") = "9"
    & skf18("3","8","9","6","3","1","1") = "8"
    & skf18("3","8","9","6","3","2","1") = "8"
    & skf18("3","8","9","6","3","3","1") = "8"
    & skf18("3","8","9","6","3","4","1") = "8"
    & skf18("3","8","9","6","3","5","1") = "8"
    & skf18("3","8","9","6","3","6","1") = "8"
    & skf18("3","8","9","6","3","7","1") = "8"
    & skf18("3","8","9","6","3","8","1") = "8"
    & skf18("3","8","9","6","3","9","1") = "8"
    & skf18("3","8","9","6","3","10","1") = "9"
    & skf18("3","8","9","6","4","1","1") = "8"
    & skf18("3","8","9","6","4","2","1") = "8"
    & skf18("3","8","9","6","4","3","1") = "8"
    & skf18("3","8","9","6","4","4","1") = "8"
    & skf18("3","8","9","6","4","5","1") = "8"
    & skf18("3","8","9","6","4","6","1") = "8"
    & skf18("3","8","9","6","4","7","1") = "8"
    & skf18("3","8","9","6","4","8","1") = "8"
    & skf18("3","8","9","6","4","9","1") = "8"
    & skf18("3","8","9","6","4","10","1") = "9"
    & skf18("3","8","9","6","5","1","1") = "8"
    & skf18("3","8","9","6","5","2","1") = "8"
    & skf18("3","8","9","6","5","3","1") = "8"
    & skf18("3","8","9","6","5","4","1") = "8"
    & skf18("3","8","9","6","5","5","1") = "8"
    & skf18("3","8","9","6","5","6","1") = "8"
    & skf18("3","8","9","6","5","7","1") = "8"
    & skf18("3","8","9","6","5","8","1") = "8"
    & skf18("3","8","9","6","5","9","1") = "8"
    & skf18("3","8","9","6","5","10","1") = "9"
    & skf18("3","8","9","6","6","1","1") = "8"
    & skf18("3","8","9","6","6","2","1") = "8"
    & skf18("3","8","9","6","6","3","1") = "8"
    & skf18("3","8","9","6","6","4","1") = "8"
    & skf18("3","8","9","6","6","5","1") = "8"
    & skf18("3","8","9","6","6","6","1") = "8"
    & skf18("3","8","9","6","6","7","1") = "8"
    & skf18("3","8","9","6","6","8","1") = "8"
    & skf18("3","8","9","6","6","9","1") = "8"
    & skf18("3","8","9","6","6","10","1") = "9"
    & skf18("3","8","9","6","7","1","1") = "8"
    & skf18("3","8","9","6","7","2","1") = "8"
    & skf18("3","8","9","6","7","3","1") = "8"
    & skf18("3","8","9","6","7","4","1") = "8"
    & skf18("3","8","9","6","7","5","1") = "8"
    & skf18("3","8","9","6","7","6","1") = "8"
    & skf18("3","8","9","6","7","7","1") = "8"
    & skf18("3","8","9","6","7","8","1") = "8"
    & skf18("3","8","9","6","7","9","1") = "8"
    & skf18("3","8","9","6","7","10","1") = "9"
    & skf18("3","8","9","6","8","1","1") = "8"
    & skf18("3","8","9","6","8","2","1") = "8"
    & skf18("3","8","9","6","8","3","1") = "8"
    & skf18("3","8","9","6","8","4","1") = "8"
    & skf18("3","8","9","6","8","5","1") = "8"
    & skf18("3","8","9","6","8","6","1") = "8"
    & skf18("3","8","9","6","8","7","1") = "8"
    & skf18("3","8","9","6","8","8","1") = "8"
    & skf18("3","8","9","6","8","9","1") = "8"
    & skf18("3","8","9","6","8","10","1") = "9"
    & skf18("3","8","9","6","9","1","1") = "8"
    & skf18("3","8","9","6","9","2","1") = "8"
    & skf18("3","8","9","6","9","3","1") = "8"
    & skf18("3","8","9","6","9","4","1") = "8"
    & skf18("3","8","9","6","9","5","1") = "8"
    & skf18("3","8","9","6","9","6","1") = "8"
    & skf18("3","8","9","6","9","7","1") = "8"
    & skf18("3","8","9","6","9","8","1") = "8"
    & skf18("3","8","9","6","9","9","1") = "8"
    & skf18("3","8","9","6","9","10","1") = "9"
    & skf18("3","8","9","6","10","1","1") = "9"
    & skf18("3","8","9","6","10","2","1") = "9"
    & skf18("3","8","9","6","10","3","1") = "9"
    & skf18("3","8","9","6","10","4","1") = "9"
    & skf18("3","8","9","6","10","5","1") = "9"
    & skf18("3","8","9","6","10","6","1") = "9"
    & skf18("3","8","9","6","10","7","1") = "9"
    & skf18("3","8","9","6","10","8","1") = "9"
    & skf18("3","8","9","6","10","9","1") = "9"
    & skf18("3","8","9","6","10","10","1") = "9"
    & skf18("3","8","9","7","1","1","1") = "8"
    & skf18("3","8","9","7","1","2","1") = "8"
    & skf18("3","8","9","7","1","3","1") = "8"
    & skf18("3","8","9","7","1","4","1") = "8"
    & skf18("3","8","9","7","1","5","1") = "8"
    & skf18("3","8","9","7","1","6","1") = "8"
    & skf18("3","8","9","7","1","7","1") = "8"
    & skf18("3","8","9","7","1","8","1") = "8"
    & skf18("3","8","9","7","1","9","1") = "8"
    & skf18("3","8","9","7","1","10","1") = "9"
    & skf18("3","8","9","7","2","1","1") = "8"
    & skf18("3","8","9","7","2","2","1") = "8"
    & skf18("3","8","9","7","2","3","1") = "8"
    & skf18("3","8","9","7","2","4","1") = "8"
    & skf18("3","8","9","7","2","5","1") = "8"
    & skf18("3","8","9","7","2","6","1") = "8"
    & skf18("3","8","9","7","2","7","1") = "8"
    & skf18("3","8","9","7","2","8","1") = "8"
    & skf18("3","8","9","7","2","9","1") = "8"
    & skf18("3","8","9","7","2","10","1") = "9"
    & skf18("3","8","9","7","3","1","1") = "8"
    & skf18("3","8","9","7","3","2","1") = "8"
    & skf18("3","8","9","7","3","3","1") = "8"
    & skf18("3","8","9","7","3","4","1") = "8"
    & skf18("3","8","9","7","3","5","1") = "8"
    & skf18("3","8","9","7","3","6","1") = "8"
    & skf18("3","8","9","7","3","7","1") = "8"
    & skf18("3","8","9","7","3","8","1") = "8"
    & skf18("3","8","9","7","3","9","1") = "8"
    & skf18("3","8","9","7","3","10","1") = "9"
    & skf18("3","8","9","7","4","1","1") = "8"
    & skf18("3","8","9","7","4","2","1") = "8"
    & skf18("3","8","9","7","4","3","1") = "8"
    & skf18("3","8","9","7","4","4","1") = "8"
    & skf18("3","8","9","7","4","5","1") = "8"
    & skf18("3","8","9","7","4","6","1") = "8"
    & skf18("3","8","9","7","4","7","1") = "8"
    & skf18("3","8","9","7","4","8","1") = "8"
    & skf18("3","8","9","7","4","9","1") = "8"
    & skf18("3","8","9","7","4","10","1") = "9"
    & skf18("3","8","9","7","5","1","1") = "8"
    & skf18("3","8","9","7","5","2","1") = "8"
    & skf18("3","8","9","7","5","3","1") = "8"
    & skf18("3","8","9","7","5","4","1") = "8"
    & skf18("3","8","9","7","5","5","1") = "8"
    & skf18("3","8","9","7","5","6","1") = "8"
    & skf18("3","8","9","7","5","7","1") = "8"
    & skf18("3","8","9","7","5","8","1") = "8"
    & skf18("3","8","9","7","5","9","1") = "8"
    & skf18("3","8","9","7","5","10","1") = "9"
    & skf18("3","8","9","7","6","1","1") = "8"
    & skf18("3","8","9","7","6","2","1") = "8"
    & skf18("3","8","9","7","6","3","1") = "8"
    & skf18("3","8","9","7","6","4","1") = "8"
    & skf18("3","8","9","7","6","5","1") = "8"
    & skf18("3","8","9","7","6","6","1") = "8"
    & skf18("3","8","9","7","6","7","1") = "8"
    & skf18("3","8","9","7","6","8","1") = "8"
    & skf18("3","8","9","7","6","9","1") = "8"
    & skf18("3","8","9","7","6","10","1") = "9"
    & skf18("3","8","9","7","7","1","1") = "8"
    & skf18("3","8","9","7","7","2","1") = "8"
    & skf18("3","8","9","7","7","3","1") = "8"
    & skf18("3","8","9","7","7","4","1") = "8"
    & skf18("3","8","9","7","7","5","1") = "8"
    & skf18("3","8","9","7","7","6","1") = "8"
    & skf18("3","8","9","7","7","7","1") = "8"
    & skf18("3","8","9","7","7","8","1") = "8"
    & skf18("3","8","9","7","7","9","1") = "8"
    & skf18("3","8","9","7","7","10","1") = "9"
    & skf18("3","8","9","7","8","1","1") = "8"
    & skf18("3","8","9","7","8","2","1") = "8"
    & skf18("3","8","9","7","8","3","1") = "8"
    & skf18("3","8","9","7","8","4","1") = "8"
    & skf18("3","8","9","7","8","5","1") = "8"
    & skf18("3","8","9","7","8","6","1") = "8"
    & skf18("3","8","9","7","8","7","1") = "8"
    & skf18("3","8","9","7","8","8","1") = "8"
    & skf18("3","8","9","7","8","9","1") = "8"
    & skf18("3","8","9","7","8","10","1") = "9"
    & skf18("3","8","9","7","9","1","1") = "8"
    & skf18("3","8","9","7","9","2","1") = "8"
    & skf18("3","8","9","7","9","3","1") = "8"
    & skf18("3","8","9","7","9","4","1") = "8"
    & skf18("3","8","9","7","9","5","1") = "8"
    & skf18("3","8","9","7","9","6","1") = "8"
    & skf18("3","8","9","7","9","7","1") = "8"
    & skf18("3","8","9","7","9","8","1") = "8"
    & skf18("3","8","9","7","9","9","1") = "8"
    & skf18("3","8","9","7","9","10","1") = "9"
    & skf18("3","8","9","7","10","1","1") = "9"
    & skf18("3","8","9","7","10","2","1") = "9"
    & skf18("3","8","9","7","10","3","1") = "9"
    & skf18("3","8","9","7","10","4","1") = "9"
    & skf18("3","8","9","7","10","5","1") = "9"
    & skf18("3","8","9","7","10","6","1") = "9"
    & skf18("3","8","9","7","10","7","1") = "9"
    & skf18("3","8","9","7","10","8","1") = "9"
    & skf18("3","8","9","7","10","9","1") = "9"
    & skf18("3","8","9","7","10","10","1") = "9"
    & skf18("3","8","9","8","1","1","1") = "8"
    & skf18("3","8","9","8","1","2","1") = "8"
    & skf18("3","8","9","8","1","3","1") = "8"
    & skf18("3","8","9","8","1","4","1") = "8"
    & skf18("3","8","9","8","1","5","1") = "8"
    & skf18("3","8","9","8","1","6","1") = "8"
    & skf18("3","8","9","8","1","7","1") = "8"
    & skf18("3","8","9","8","1","8","1") = "8"
    & skf18("3","8","9","8","1","9","1") = "8"
    & skf18("3","8","9","8","1","10","1") = "9"
    & skf18("3","8","9","8","2","1","1") = "8"
    & skf18("3","8","9","8","2","2","1") = "8"
    & skf18("3","8","9","8","2","3","1") = "8"
    & skf18("3","8","9","8","2","4","1") = "8"
    & skf18("3","8","9","8","2","5","1") = "8"
    & skf18("3","8","9","8","2","6","1") = "8"
    & skf18("3","8","9","8","2","7","1") = "8"
    & skf18("3","8","9","8","2","8","1") = "8"
    & skf18("3","8","9","8","2","9","1") = "8"
    & skf18("3","8","9","8","2","10","1") = "9"
    & skf18("3","8","9","8","3","1","1") = "8"
    & skf18("3","8","9","8","3","2","1") = "8"
    & skf18("3","8","9","8","3","3","1") = "8"
    & skf18("3","8","9","8","3","4","1") = "8"
    & skf18("3","8","9","8","3","5","1") = "8"
    & skf18("3","8","9","8","3","6","1") = "8"
    & skf18("3","8","9","8","3","7","1") = "8"
    & skf18("3","8","9","8","3","8","1") = "8"
    & skf18("3","8","9","8","3","9","1") = "8"
    & skf18("3","8","9","8","3","10","1") = "9"
    & skf18("3","8","9","8","4","1","1") = "8"
    & skf18("3","8","9","8","4","2","1") = "8"
    & skf18("3","8","9","8","4","3","1") = "8"
    & skf18("3","8","9","8","4","4","1") = "8"
    & skf18("3","8","9","8","4","5","1") = "8"
    & skf18("3","8","9","8","4","6","1") = "8"
    & skf18("3","8","9","8","4","7","1") = "8"
    & skf18("3","8","9","8","4","8","1") = "8"
    & skf18("3","8","9","8","4","9","1") = "8"
    & skf18("3","8","9","8","4","10","1") = "9"
    & skf18("3","8","9","8","5","1","1") = "8"
    & skf18("3","8","9","8","5","2","1") = "8"
    & skf18("3","8","9","8","5","3","1") = "8"
    & skf18("3","8","9","8","5","4","1") = "8"
    & skf18("3","8","9","8","5","5","1") = "8"
    & skf18("3","8","9","8","5","6","1") = "8"
    & skf18("3","8","9","8","5","7","1") = "8"
    & skf18("3","8","9","8","5","8","1") = "8"
    & skf18("3","8","9","8","5","9","1") = "8"
    & skf18("3","8","9","8","5","10","1") = "9"
    & skf18("3","8","9","8","6","1","1") = "8"
    & skf18("3","8","9","8","6","2","1") = "8"
    & skf18("3","8","9","8","6","3","1") = "8"
    & skf18("3","8","9","8","6","4","1") = "8"
    & skf18("3","8","9","8","6","5","1") = "8"
    & skf18("3","8","9","8","6","6","1") = "8"
    & skf18("3","8","9","8","6","7","1") = "8"
    & skf18("3","8","9","8","6","8","1") = "8"
    & skf18("3","8","9","8","6","9","1") = "8"
    & skf18("3","8","9","8","6","10","1") = "9"
    & skf18("3","8","9","8","7","1","1") = "8"
    & skf18("3","8","9","8","7","2","1") = "8"
    & skf18("3","8","9","8","7","3","1") = "8"
    & skf18("3","8","9","8","7","4","1") = "8"
    & skf18("3","8","9","8","7","5","1") = "8"
    & skf18("3","8","9","8","7","6","1") = "8"
    & skf18("3","8","9","8","7","7","1") = "8"
    & skf18("3","8","9","8","7","8","1") = "8"
    & skf18("3","8","9","8","7","9","1") = "8"
    & skf18("3","8","9","8","7","10","1") = "9"
    & skf18("3","8","9","8","8","1","1") = "8"
    & skf18("3","8","9","8","8","2","1") = "8"
    & skf18("3","8","9","8","8","3","1") = "8"
    & skf18("3","8","9","8","8","4","1") = "8"
    & skf18("3","8","9","8","8","5","1") = "8"
    & skf18("3","8","9","8","8","6","1") = "8"
    & skf18("3","8","9","8","8","7","1") = "8"
    & skf18("3","8","9","8","8","8","1") = "8"
    & skf18("3","8","9","8","8","9","1") = "8"
    & skf18("3","8","9","8","8","10","1") = "9"
    & skf18("3","8","9","8","9","1","1") = "8"
    & skf18("3","8","9","8","9","2","1") = "8"
    & skf18("3","8","9","8","9","3","1") = "8"
    & skf18("3","8","9","8","9","4","1") = "8"
    & skf18("3","8","9","8","9","5","1") = "8"
    & skf18("3","8","9","8","9","6","1") = "8"
    & skf18("3","8","9","8","9","7","1") = "8"
    & skf18("3","8","9","8","9","8","1") = "8"
    & skf18("3","8","9","8","9","9","1") = "8"
    & skf18("3","8","9","8","9","10","1") = "9"
    & skf18("3","8","9","8","10","1","1") = "9"
    & skf18("3","8","9","8","10","2","1") = "9"
    & skf18("3","8","9","8","10","3","1") = "9"
    & skf18("3","8","9","8","10","4","1") = "9"
    & skf18("3","8","9","8","10","5","1") = "9"
    & skf18("3","8","9","8","10","6","1") = "9"
    & skf18("3","8","9","8","10","7","1") = "9"
    & skf18("3","8","9","8","10","8","1") = "9"
    & skf18("3","8","9","8","10","9","1") = "9"
    & skf18("3","8","9","8","10","10","1") = "9"
    & skf18("3","8","9","9","1","1","1") = "8"
    & skf18("3","8","9","9","1","2","1") = "8"
    & skf18("3","8","9","9","1","3","1") = "8"
    & skf18("3","8","9","9","1","4","1") = "8"
    & skf18("3","8","9","9","1","5","1") = "8"
    & skf18("3","8","9","9","1","6","1") = "8"
    & skf18("3","8","9","9","1","7","1") = "8"
    & skf18("3","8","9","9","1","8","1") = "8"
    & skf18("3","8","9","9","1","9","1") = "8"
    & skf18("3","8","9","9","1","10","1") = "9"
    & skf18("3","8","9","9","2","1","1") = "8"
    & skf18("3","8","9","9","2","2","1") = "8"
    & skf18("3","8","9","9","2","3","1") = "8"
    & skf18("3","8","9","9","2","4","1") = "8"
    & skf18("3","8","9","9","2","5","1") = "8"
    & skf18("3","8","9","9","2","6","1") = "8"
    & skf18("3","8","9","9","2","7","1") = "8"
    & skf18("3","8","9","9","2","8","1") = "8"
    & skf18("3","8","9","9","2","9","1") = "8"
    & skf18("3","8","9","9","2","10","1") = "9"
    & skf18("3","8","9","9","3","1","1") = "8"
    & skf18("3","8","9","9","3","2","1") = "8"
    & skf18("3","8","9","9","3","3","1") = "8"
    & skf18("3","8","9","9","3","4","1") = "8"
    & skf18("3","8","9","9","3","5","1") = "8"
    & skf18("3","8","9","9","3","6","1") = "8"
    & skf18("3","8","9","9","3","7","1") = "8"
    & skf18("3","8","9","9","3","8","1") = "8"
    & skf18("3","8","9","9","3","9","1") = "8"
    & skf18("3","8","9","9","3","10","1") = "9"
    & skf18("3","8","9","9","4","1","1") = "8"
    & skf18("3","8","9","9","4","2","1") = "8"
    & skf18("3","8","9","9","4","3","1") = "8"
    & skf18("3","8","9","9","4","4","1") = "8"
    & skf18("3","8","9","9","4","5","1") = "8"
    & skf18("3","8","9","9","4","6","1") = "8"
    & skf18("3","8","9","9","4","7","1") = "8"
    & skf18("3","8","9","9","4","8","1") = "8"
    & skf18("3","8","9","9","4","9","1") = "8"
    & skf18("3","8","9","9","4","10","1") = "9"
    & skf18("3","8","9","9","5","1","1") = "8"
    & skf18("3","8","9","9","5","2","1") = "8"
    & skf18("3","8","9","9","5","3","1") = "8"
    & skf18("3","8","9","9","5","4","1") = "8"
    & skf18("3","8","9","9","5","5","1") = "8"
    & skf18("3","8","9","9","5","6","1") = "8"
    & skf18("3","8","9","9","5","7","1") = "8"
    & skf18("3","8","9","9","5","8","1") = "8"
    & skf18("3","8","9","9","5","9","1") = "8"
    & skf18("3","8","9","9","5","10","1") = "9"
    & skf18("3","8","9","9","6","1","1") = "8"
    & skf18("3","8","9","9","6","2","1") = "8"
    & skf18("3","8","9","9","6","3","1") = "8"
    & skf18("3","8","9","9","6","4","1") = "8"
    & skf18("3","8","9","9","6","5","1") = "8"
    & skf18("3","8","9","9","6","6","1") = "8"
    & skf18("3","8","9","9","6","7","1") = "8"
    & skf18("3","8","9","9","6","8","1") = "8"
    & skf18("3","8","9","9","6","9","1") = "8"
    & skf18("3","8","9","9","6","10","1") = "9"
    & skf18("3","8","9","9","7","1","1") = "8"
    & skf18("3","8","9","9","7","2","1") = "8"
    & skf18("3","8","9","9","7","3","1") = "8"
    & skf18("3","8","9","9","7","4","1") = "8"
    & skf18("3","8","9","9","7","5","1") = "8"
    & skf18("3","8","9","9","7","6","1") = "8"
    & skf18("3","8","9","9","7","7","1") = "8"
    & skf18("3","8","9","9","7","8","1") = "8"
    & skf18("3","8","9","9","7","9","1") = "8"
    & skf18("3","8","9","9","7","10","1") = "9"
    & skf18("3","8","9","9","8","1","1") = "8"
    & skf18("3","8","9","9","8","2","1") = "8"
    & skf18("3","8","9","9","8","3","1") = "8"
    & skf18("3","8","9","9","8","4","1") = "8"
    & skf18("3","8","9","9","8","5","1") = "8"
    & skf18("3","8","9","9","8","6","1") = "8"
    & skf18("3","8","9","9","8","7","1") = "8"
    & skf18("3","8","9","9","8","8","1") = "8"
    & skf18("3","8","9","9","8","9","1") = "8"
    & skf18("3","8","9","9","8","10","1") = "9"
    & skf18("3","8","9","9","9","1","1") = "8"
    & skf18("3","8","9","9","9","2","1") = "8"
    & skf18("3","8","9","9","9","3","1") = "8"
    & skf18("3","8","9","9","9","4","1") = "8"
    & skf18("3","8","9","9","9","5","1") = "8"
    & skf18("3","8","9","9","9","6","1") = "8"
    & skf18("3","8","9","9","9","7","1") = "8"
    & skf18("3","8","9","9","9","8","1") = "8"
    & skf18("3","8","9","9","9","9","1") = "8"
    & skf18("3","8","9","9","9","10","1") = "9"
    & skf18("3","8","9","9","10","1","1") = "9"
    & skf18("3","8","9","9","10","2","1") = "9"
    & skf18("3","8","9","9","10","3","1") = "9"
    & skf18("3","8","9","9","10","4","1") = "9"
    & skf18("3","8","9","9","10","5","1") = "9"
    & skf18("3","8","9","9","10","6","1") = "9"
    & skf18("3","8","9","9","10","7","1") = "9"
    & skf18("3","8","9","9","10","8","1") = "9"
    & skf18("3","8","9","9","10","9","1") = "9"
    & skf18("3","8","9","9","10","10","1") = "9"
    & skf18("3","8","9","10","1","1","1") = "9"
    & skf18("3","8","9","10","1","2","1") = "9"
    & skf18("3","8","9","10","1","3","1") = "9"
    & skf18("3","8","9","10","1","4","1") = "9"
    & skf18("3","8","9","10","1","5","1") = "9"
    & skf18("3","8","9","10","1","6","1") = "9"
    & skf18("3","8","9","10","1","7","1") = "9"
    & skf18("3","8","9","10","1","8","1") = "9"
    & skf18("3","8","9","10","1","9","1") = "9"
    & skf18("3","8","9","10","1","10","1") = "9"
    & skf18("3","8","9","10","2","1","1") = "9"
    & skf18("3","8","9","10","2","2","1") = "9"
    & skf18("3","8","9","10","2","3","1") = "9"
    & skf18("3","8","9","10","2","4","1") = "9"
    & skf18("3","8","9","10","2","5","1") = "9"
    & skf18("3","8","9","10","2","6","1") = "9"
    & skf18("3","8","9","10","2","7","1") = "9"
    & skf18("3","8","9","10","2","8","1") = "9"
    & skf18("3","8","9","10","2","9","1") = "9"
    & skf18("3","8","9","10","2","10","1") = "9"
    & skf18("3","8","9","10","3","1","1") = "9"
    & skf18("3","8","9","10","3","2","1") = "9"
    & skf18("3","8","9","10","3","3","1") = "9"
    & skf18("3","8","9","10","3","4","1") = "9"
    & skf18("3","8","9","10","3","5","1") = "9"
    & skf18("3","8","9","10","3","6","1") = "9"
    & skf18("3","8","9","10","3","7","1") = "9"
    & skf18("3","8","9","10","3","8","1") = "9"
    & skf18("3","8","9","10","3","9","1") = "9"
    & skf18("3","8","9","10","3","10","1") = "9"
    & skf18("3","8","9","10","4","1","1") = "9"
    & skf18("3","8","9","10","4","2","1") = "9"
    & skf18("3","8","9","10","4","3","1") = "9"
    & skf18("3","8","9","10","4","4","1") = "9"
    & skf18("3","8","9","10","4","5","1") = "9"
    & skf18("3","8","9","10","4","6","1") = "9"
    & skf18("3","8","9","10","4","7","1") = "9"
    & skf18("3","8","9","10","4","8","1") = "9"
    & skf18("3","8","9","10","4","9","1") = "9"
    & skf18("3","8","9","10","4","10","1") = "9"
    & skf18("3","8","9","10","5","1","1") = "9"
    & skf18("3","8","9","10","5","2","1") = "9"
    & skf18("3","8","9","10","5","3","1") = "9"
    & skf18("3","8","9","10","5","4","1") = "9"
    & skf18("3","8","9","10","5","5","1") = "9"
    & skf18("3","8","9","10","5","6","1") = "9"
    & skf18("3","8","9","10","5","7","1") = "9"
    & skf18("3","8","9","10","5","8","1") = "9"
    & skf18("3","8","9","10","5","9","1") = "9"
    & skf18("3","8","9","10","5","10","1") = "9"
    & skf18("3","8","9","10","6","1","1") = "9"
    & skf18("3","8","9","10","6","2","1") = "9"
    & skf18("3","8","9","10","6","3","1") = "9"
    & skf18("3","8","9","10","6","4","1") = "9"
    & skf18("3","8","9","10","6","5","1") = "9"
    & skf18("3","8","9","10","6","6","1") = "9"
    & skf18("3","8","9","10","6","7","1") = "9"
    & skf18("3","8","9","10","6","8","1") = "9"
    & skf18("3","8","9","10","6","9","1") = "9"
    & skf18("3","8","9","10","6","10","1") = "9"
    & skf18("3","8","9","10","7","1","1") = "9"
    & skf18("3","8","9","10","7","2","1") = "9"
    & skf18("3","8","9","10","7","3","1") = "9"
    & skf18("3","8","9","10","7","4","1") = "9"
    & skf18("3","8","9","10","7","5","1") = "9"
    & skf18("3","8","9","10","7","6","1") = "9"
    & skf18("3","8","9","10","7","7","1") = "9"
    & skf18("3","8","9","10","7","8","1") = "9"
    & skf18("3","8","9","10","7","9","1") = "9"
    & skf18("3","8","9","10","7","10","1") = "9"
    & skf18("3","8","9","10","8","1","1") = "9"
    & skf18("3","8","9","10","8","2","1") = "9"
    & skf18("3","8","9","10","8","3","1") = "9"
    & skf18("3","8","9","10","8","4","1") = "9"
    & skf18("3","8","9","10","8","5","1") = "9"
    & skf18("3","8","9","10","8","6","1") = "9"
    & skf18("3","8","9","10","8","7","1") = "9"
    & skf18("3","8","9","10","8","8","1") = "9"
    & skf18("3","8","9","10","8","9","1") = "9"
    & skf18("3","8","9","10","8","10","1") = "9"
    & skf18("3","8","9","10","9","1","1") = "9"
    & skf18("3","8","9","10","9","2","1") = "9"
    & skf18("3","8","9","10","9","3","1") = "9"
    & skf18("3","8","9","10","9","4","1") = "9"
    & skf18("3","8","9","10","9","5","1") = "9"
    & skf18("3","8","9","10","9","6","1") = "9"
    & skf18("3","8","9","10","9","7","1") = "9"
    & skf18("3","8","9","10","9","8","1") = "9"
    & skf18("3","8","9","10","9","9","1") = "9"
    & skf18("3","8","9","10","9","10","1") = "9"
    & skf18("3","8","9","10","10","1","1") = "9"
    & skf18("3","8","9","10","10","2","1") = "9"
    & skf18("3","8","9","10","10","3","1") = "9"
    & skf18("3","8","9","10","10","4","1") = "9"
    & skf18("3","8","9","10","10","5","1") = "9"
    & skf18("3","8","9","10","10","6","1") = "9"
    & skf18("3","8","9","10","10","7","1") = "9"
    & skf18("3","8","9","10","10","8","1") = "9"
    & skf18("3","8","9","10","10","9","1") = "9"
    & skf18("3","8","9","10","10","10","1") = "9"
    & skf18("3","8","10","1","1","1","1") = "9"
    & skf18("3","8","10","1","1","2","1") = "9"
    & skf18("3","8","10","1","1","3","1") = "9"
    & skf18("3","8","10","1","1","4","1") = "9"
    & skf18("3","8","10","1","1","5","1") = "9"
    & skf18("3","8","10","1","1","6","1") = "9"
    & skf18("3","8","10","1","1","7","1") = "9"
    & skf18("3","8","10","1","1","8","1") = "9"
    & skf18("3","8","10","1","1","9","1") = "9"
    & skf18("3","8","10","1","1","10","1") = "9"
    & skf18("3","8","10","1","2","1","1") = "9"
    & skf18("3","8","10","1","2","2","1") = "9"
    & skf18("3","8","10","1","2","3","1") = "9"
    & skf18("3","8","10","1","2","4","1") = "9"
    & skf18("3","8","10","1","2","5","1") = "9"
    & skf18("3","8","10","1","2","6","1") = "9"
    & skf18("3","8","10","1","2","7","1") = "9"
    & skf18("3","8","10","1","2","8","1") = "9"
    & skf18("3","8","10","1","2","9","1") = "9"
    & skf18("3","8","10","1","2","10","1") = "9"
    & skf18("3","8","10","1","3","1","1") = "9"
    & skf18("3","8","10","1","3","2","1") = "9"
    & skf18("3","8","10","1","3","3","1") = "9"
    & skf18("3","8","10","1","3","4","1") = "9"
    & skf18("3","8","10","1","3","5","1") = "9"
    & skf18("3","8","10","1","3","6","1") = "9"
    & skf18("3","8","10","1","3","7","1") = "9"
    & skf18("3","8","10","1","3","8","1") = "9"
    & skf18("3","8","10","1","3","9","1") = "9"
    & skf18("3","8","10","1","3","10","1") = "9"
    & skf18("3","8","10","1","4","1","1") = "9"
    & skf18("3","8","10","1","4","2","1") = "9"
    & skf18("3","8","10","1","4","3","1") = "9"
    & skf18("3","8","10","1","4","4","1") = "9"
    & skf18("3","8","10","1","4","5","1") = "9"
    & skf18("3","8","10","1","4","6","1") = "9"
    & skf18("3","8","10","1","4","7","1") = "9"
    & skf18("3","8","10","1","4","8","1") = "9"
    & skf18("3","8","10","1","4","9","1") = "9"
    & skf18("3","8","10","1","4","10","1") = "9"
    & skf18("3","8","10","1","5","1","1") = "9"
    & skf18("3","8","10","1","5","2","1") = "9"
    & skf18("3","8","10","1","5","3","1") = "9"
    & skf18("3","8","10","1","5","4","1") = "9"
    & skf18("3","8","10","1","5","5","1") = "9"
    & skf18("3","8","10","1","5","6","1") = "9"
    & skf18("3","8","10","1","5","7","1") = "9"
    & skf18("3","8","10","1","5","8","1") = "9"
    & skf18("3","8","10","1","5","9","1") = "9"
    & skf18("3","8","10","1","5","10","1") = "9"
    & skf18("3","8","10","1","6","1","1") = "9"
    & skf18("3","8","10","1","6","2","1") = "9"
    & skf18("3","8","10","1","6","3","1") = "9"
    & skf18("3","8","10","1","6","4","1") = "9"
    & skf18("3","8","10","1","6","5","1") = "9"
    & skf18("3","8","10","1","6","6","1") = "9"
    & skf18("3","8","10","1","6","7","1") = "9"
    & skf18("3","8","10","1","6","8","1") = "9"
    & skf18("3","8","10","1","6","9","1") = "9"
    & skf18("3","8","10","1","6","10","1") = "9"
    & skf18("3","8","10","1","7","1","1") = "9"
    & skf18("3","8","10","1","7","2","1") = "9"
    & skf18("3","8","10","1","7","3","1") = "9"
    & skf18("3","8","10","1","7","4","1") = "9"
    & skf18("3","8","10","1","7","5","1") = "9"
    & skf18("3","8","10","1","7","6","1") = "9"
    & skf18("3","8","10","1","7","7","1") = "9"
    & skf18("3","8","10","1","7","8","1") = "9"
    & skf18("3","8","10","1","7","9","1") = "9"
    & skf18("3","8","10","1","7","10","1") = "9"
    & skf18("3","8","10","1","8","1","1") = "9"
    & skf18("3","8","10","1","8","2","1") = "9"
    & skf18("3","8","10","1","8","3","1") = "9"
    & skf18("3","8","10","1","8","4","1") = "9"
    & skf18("3","8","10","1","8","5","1") = "9"
    & skf18("3","8","10","1","8","6","1") = "9"
    & skf18("3","8","10","1","8","7","1") = "9"
    & skf18("3","8","10","1","8","8","1") = "9"
    & skf18("3","8","10","1","8","9","1") = "9"
    & skf18("3","8","10","1","8","10","1") = "9"
    & skf18("3","8","10","1","9","1","1") = "9"
    & skf18("3","8","10","1","9","2","1") = "9"
    & skf18("3","8","10","1","9","3","1") = "9"
    & skf18("3","8","10","1","9","4","1") = "9"
    & skf18("3","8","10","1","9","5","1") = "9"
    & skf18("3","8","10","1","9","6","1") = "9"
    & skf18("3","8","10","1","9","7","1") = "9"
    & skf18("3","8","10","1","9","8","1") = "9"
    & skf18("3","8","10","1","9","9","1") = "9"
    & skf18("3","8","10","1","9","10","1") = "9"
    & skf18("3","8","10","1","10","1","1") = "9"
    & skf18("3","8","10","1","10","2","1") = "9"
    & skf18("3","8","10","1","10","3","1") = "9"
    & skf18("3","8","10","1","10","4","1") = "9"
    & skf18("3","8","10","1","10","5","1") = "9"
    & skf18("3","8","10","1","10","6","1") = "9"
    & skf18("3","8","10","1","10","7","1") = "9"
    & skf18("3","8","10","1","10","8","1") = "9"
    & skf18("3","8","10","1","10","9","1") = "9"
    & skf18("3","8","10","1","10","10","1") = "9"
    & skf18("3","8","10","2","1","1","1") = "9"
    & skf18("3","8","10","2","1","2","1") = "9"
    & skf18("3","8","10","2","1","3","1") = "9"
    & skf18("3","8","10","2","1","4","1") = "9"
    & skf18("3","8","10","2","1","5","1") = "9"
    & skf18("3","8","10","2","1","6","1") = "9"
    & skf18("3","8","10","2","1","7","1") = "9"
    & skf18("3","8","10","2","1","8","1") = "9"
    & skf18("3","8","10","2","1","9","1") = "9"
    & skf18("3","8","10","2","1","10","1") = "9"
    & skf18("3","8","10","2","2","1","1") = "9"
    & skf18("3","8","10","2","2","2","1") = "9"
    & skf18("3","8","10","2","2","3","1") = "9"
    & skf18("3","8","10","2","2","4","1") = "9"
    & skf18("3","8","10","2","2","5","1") = "9"
    & skf18("3","8","10","2","2","6","1") = "9"
    & skf18("3","8","10","2","2","7","1") = "9"
    & skf18("3","8","10","2","2","8","1") = "9"
    & skf18("3","8","10","2","2","9","1") = "9"
    & skf18("3","8","10","2","2","10","1") = "9"
    & skf18("3","8","10","2","3","1","1") = "9"
    & skf18("3","8","10","2","3","2","1") = "9"
    & skf18("3","8","10","2","3","3","1") = "9"
    & skf18("3","8","10","2","3","4","1") = "9"
    & skf18("3","8","10","2","3","5","1") = "9"
    & skf18("3","8","10","2","3","6","1") = "9"
    & skf18("3","8","10","2","3","7","1") = "9"
    & skf18("3","8","10","2","3","8","1") = "9"
    & skf18("3","8","10","2","3","9","1") = "9"
    & skf18("3","8","10","2","3","10","1") = "9"
    & skf18("3","8","10","2","4","1","1") = "9"
    & skf18("3","8","10","2","4","2","1") = "9"
    & skf18("3","8","10","2","4","3","1") = "9"
    & skf18("3","8","10","2","4","4","1") = "9"
    & skf18("3","8","10","2","4","5","1") = "9"
    & skf18("3","8","10","2","4","6","1") = "9"
    & skf18("3","8","10","2","4","7","1") = "9"
    & skf18("3","8","10","2","4","8","1") = "9"
    & skf18("3","8","10","2","4","9","1") = "9"
    & skf18("3","8","10","2","4","10","1") = "9"
    & skf18("3","8","10","2","5","1","1") = "9"
    & skf18("3","8","10","2","5","2","1") = "9"
    & skf18("3","8","10","2","5","3","1") = "9"
    & skf18("3","8","10","2","5","4","1") = "9"
    & skf18("3","8","10","2","5","5","1") = "9"
    & skf18("3","8","10","2","5","6","1") = "9"
    & skf18("3","8","10","2","5","7","1") = "9"
    & skf18("3","8","10","2","5","8","1") = "9"
    & skf18("3","8","10","2","5","9","1") = "9"
    & skf18("3","8","10","2","5","10","1") = "9"
    & skf18("3","8","10","2","6","1","1") = "9"
    & skf18("3","8","10","2","6","2","1") = "9"
    & skf18("3","8","10","2","6","3","1") = "9"
    & skf18("3","8","10","2","6","4","1") = "9"
    & skf18("3","8","10","2","6","5","1") = "9"
    & skf18("3","8","10","2","6","6","1") = "9"
    & skf18("3","8","10","2","6","7","1") = "9"
    & skf18("3","8","10","2","6","8","1") = "9"
    & skf18("3","8","10","2","6","9","1") = "9"
    & skf18("3","8","10","2","6","10","1") = "9"
    & skf18("3","8","10","2","7","1","1") = "9"
    & skf18("3","8","10","2","7","2","1") = "9"
    & skf18("3","8","10","2","7","3","1") = "9"
    & skf18("3","8","10","2","7","4","1") = "9"
    & skf18("3","8","10","2","7","5","1") = "9"
    & skf18("3","8","10","2","7","6","1") = "9"
    & skf18("3","8","10","2","7","7","1") = "9"
    & skf18("3","8","10","2","7","8","1") = "9"
    & skf18("3","8","10","2","7","9","1") = "9"
    & skf18("3","8","10","2","7","10","1") = "9"
    & skf18("3","8","10","2","8","1","1") = "9"
    & skf18("3","8","10","2","8","2","1") = "9"
    & skf18("3","8","10","2","8","3","1") = "9"
    & skf18("3","8","10","2","8","4","1") = "9"
    & skf18("3","8","10","2","8","5","1") = "9"
    & skf18("3","8","10","2","8","6","1") = "9"
    & skf18("3","8","10","2","8","7","1") = "9"
    & skf18("3","8","10","2","8","8","1") = "9"
    & skf18("3","8","10","2","8","9","1") = "9"
    & skf18("3","8","10","2","8","10","1") = "9"
    & skf18("3","8","10","2","9","1","1") = "9"
    & skf18("3","8","10","2","9","2","1") = "9"
    & skf18("3","8","10","2","9","3","1") = "9"
    & skf18("3","8","10","2","9","4","1") = "9"
    & skf18("3","8","10","2","9","5","1") = "9"
    & skf18("3","8","10","2","9","6","1") = "9"
    & skf18("3","8","10","2","9","7","1") = "9"
    & skf18("3","8","10","2","9","8","1") = "9"
    & skf18("3","8","10","2","9","9","1") = "9"
    & skf18("3","8","10","2","9","10","1") = "9"
    & skf18("3","8","10","2","10","1","1") = "9"
    & skf18("3","8","10","2","10","2","1") = "9"
    & skf18("3","8","10","2","10","3","1") = "9"
    & skf18("3","8","10","2","10","4","1") = "9"
    & skf18("3","8","10","2","10","5","1") = "9"
    & skf18("3","8","10","2","10","6","1") = "9"
    & skf18("3","8","10","2","10","7","1") = "9"
    & skf18("3","8","10","2","10","8","1") = "9"
    & skf18("3","8","10","2","10","9","1") = "9"
    & skf18("3","8","10","2","10","10","1") = "9"
    & skf18("3","8","10","3","1","1","1") = "9"
    & skf18("3","8","10","3","1","2","1") = "9"
    & skf18("3","8","10","3","1","3","1") = "9"
    & skf18("3","8","10","3","1","4","1") = "9"
    & skf18("3","8","10","3","1","5","1") = "9"
    & skf18("3","8","10","3","1","6","1") = "9"
    & skf18("3","8","10","3","1","7","1") = "9"
    & skf18("3","8","10","3","1","8","1") = "9"
    & skf18("3","8","10","3","1","9","1") = "9"
    & skf18("3","8","10","3","1","10","1") = "9"
    & skf18("3","8","10","3","2","1","1") = "9"
    & skf18("3","8","10","3","2","2","1") = "9"
    & skf18("3","8","10","3","2","3","1") = "9"
    & skf18("3","8","10","3","2","4","1") = "9"
    & skf18("3","8","10","3","2","5","1") = "9"
    & skf18("3","8","10","3","2","6","1") = "9"
    & skf18("3","8","10","3","2","7","1") = "9"
    & skf18("3","8","10","3","2","8","1") = "9"
    & skf18("3","8","10","3","2","9","1") = "9"
    & skf18("3","8","10","3","2","10","1") = "9"
    & skf18("3","8","10","3","3","1","1") = "9"
    & skf18("3","8","10","3","3","2","1") = "9"
    & skf18("3","8","10","3","3","3","1") = "9"
    & skf18("3","8","10","3","3","4","1") = "9"
    & skf18("3","8","10","3","3","5","1") = "9"
    & skf18("3","8","10","3","3","6","1") = "9"
    & skf18("3","8","10","3","3","7","1") = "9"
    & skf18("3","8","10","3","3","8","1") = "9"
    & skf18("3","8","10","3","3","9","1") = "9"
    & skf18("3","8","10","3","3","10","1") = "9"
    & skf18("3","8","10","3","4","1","1") = "9"
    & skf18("3","8","10","3","4","2","1") = "9"
    & skf18("3","8","10","3","4","3","1") = "9"
    & skf18("3","8","10","3","4","4","1") = "9"
    & skf18("3","8","10","3","4","5","1") = "9"
    & skf18("3","8","10","3","4","6","1") = "9"
    & skf18("3","8","10","3","4","7","1") = "9"
    & skf18("3","8","10","3","4","8","1") = "9"
    & skf18("3","8","10","3","4","9","1") = "9"
    & skf18("3","8","10","3","4","10","1") = "9"
    & skf18("3","8","10","3","5","1","1") = "9"
    & skf18("3","8","10","3","5","2","1") = "9"
    & skf18("3","8","10","3","5","3","1") = "9"
    & skf18("3","8","10","3","5","4","1") = "9"
    & skf18("3","8","10","3","5","5","1") = "9"
    & skf18("3","8","10","3","5","6","1") = "9"
    & skf18("3","8","10","3","5","7","1") = "9"
    & skf18("3","8","10","3","5","8","1") = "9"
    & skf18("3","8","10","3","5","9","1") = "9"
    & skf18("3","8","10","3","5","10","1") = "9"
    & skf18("3","8","10","3","6","1","1") = "9"
    & skf18("3","8","10","3","6","2","1") = "9"
    & skf18("3","8","10","3","6","3","1") = "9"
    & skf18("3","8","10","3","6","4","1") = "9"
    & skf18("3","8","10","3","6","5","1") = "9"
    & skf18("3","8","10","3","6","6","1") = "9"
    & skf18("3","8","10","3","6","7","1") = "9"
    & skf18("3","8","10","3","6","8","1") = "9"
    & skf18("3","8","10","3","6","9","1") = "9"
    & skf18("3","8","10","3","6","10","1") = "9"
    & skf18("3","8","10","3","7","1","1") = "9"
    & skf18("3","8","10","3","7","2","1") = "9"
    & skf18("3","8","10","3","7","3","1") = "9"
    & skf18("3","8","10","3","7","4","1") = "9"
    & skf18("3","8","10","3","7","5","1") = "9"
    & skf18("3","8","10","3","7","6","1") = "9"
    & skf18("3","8","10","3","7","7","1") = "9"
    & skf18("3","8","10","3","7","8","1") = "9"
    & skf18("3","8","10","3","7","9","1") = "9"
    & skf18("3","8","10","3","7","10","1") = "9"
    & skf18("3","8","10","3","8","1","1") = "9"
    & skf18("3","8","10","3","8","2","1") = "9"
    & skf18("3","8","10","3","8","3","1") = "9"
    & skf18("3","8","10","3","8","4","1") = "9"
    & skf18("3","8","10","3","8","5","1") = "9"
    & skf18("3","8","10","3","8","6","1") = "9"
    & skf18("3","8","10","3","8","7","1") = "9"
    & skf18("3","8","10","3","8","8","1") = "9"
    & skf18("3","8","10","3","8","9","1") = "9"
    & skf18("3","8","10","3","8","10","1") = "9"
    & skf18("3","8","10","3","9","1","1") = "9"
    & skf18("3","8","10","3","9","2","1") = "9"
    & skf18("3","8","10","3","9","3","1") = "9"
    & skf18("3","8","10","3","9","4","1") = "9"
    & skf18("3","8","10","3","9","5","1") = "9"
    & skf18("3","8","10","3","9","6","1") = "9"
    & skf18("3","8","10","3","9","7","1") = "9"
    & skf18("3","8","10","3","9","8","1") = "9"
    & skf18("3","8","10","3","9","9","1") = "9"
    & skf18("3","8","10","3","9","10","1") = "9"
    & skf18("3","8","10","3","10","1","1") = "9"
    & skf18("3","8","10","3","10","2","1") = "9"
    & skf18("3","8","10","3","10","3","1") = "9"
    & skf18("3","8","10","3","10","4","1") = "9"
    & skf18("3","8","10","3","10","5","1") = "9"
    & skf18("3","8","10","3","10","6","1") = "9"
    & skf18("3","8","10","3","10","7","1") = "9"
    & skf18("3","8","10","3","10","8","1") = "9"
    & skf18("3","8","10","3","10","9","1") = "9"
    & skf18("3","8","10","3","10","10","1") = "9"
    & skf18("3","8","10","4","1","1","1") = "9"
    & skf18("3","8","10","4","1","2","1") = "9"
    & skf18("3","8","10","4","1","3","1") = "9"
    & skf18("3","8","10","4","1","4","1") = "9"
    & skf18("3","8","10","4","1","5","1") = "9"
    & skf18("3","8","10","4","1","6","1") = "9"
    & skf18("3","8","10","4","1","7","1") = "9"
    & skf18("3","8","10","4","1","8","1") = "9"
    & skf18("3","8","10","4","1","9","1") = "9"
    & skf18("3","8","10","4","1","10","1") = "9"
    & skf18("3","8","10","4","2","1","1") = "9"
    & skf18("3","8","10","4","2","2","1") = "9"
    & skf18("3","8","10","4","2","3","1") = "9"
    & skf18("3","8","10","4","2","4","1") = "9"
    & skf18("3","8","10","4","2","5","1") = "9"
    & skf18("3","8","10","4","2","6","1") = "9"
    & skf18("3","8","10","4","2","7","1") = "9"
    & skf18("3","8","10","4","2","8","1") = "9"
    & skf18("3","8","10","4","2","9","1") = "9"
    & skf18("3","8","10","4","2","10","1") = "9"
    & skf18("3","8","10","4","3","1","1") = "9"
    & skf18("3","8","10","4","3","2","1") = "9"
    & skf18("3","8","10","4","3","3","1") = "9"
    & skf18("3","8","10","4","3","4","1") = "9"
    & skf18("3","8","10","4","3","5","1") = "9"
    & skf18("3","8","10","4","3","6","1") = "9"
    & skf18("3","8","10","4","3","7","1") = "9"
    & skf18("3","8","10","4","3","8","1") = "9"
    & skf18("3","8","10","4","3","9","1") = "9"
    & skf18("3","8","10","4","3","10","1") = "9"
    & skf18("3","8","10","4","4","1","1") = "9"
    & skf18("3","8","10","4","4","2","1") = "9"
    & skf18("3","8","10","4","4","3","1") = "9"
    & skf18("3","8","10","4","4","4","1") = "9"
    & skf18("3","8","10","4","4","5","1") = "9"
    & skf18("3","8","10","4","4","6","1") = "9"
    & skf18("3","8","10","4","4","7","1") = "9"
    & skf18("3","8","10","4","4","8","1") = "9"
    & skf18("3","8","10","4","4","9","1") = "9"
    & skf18("3","8","10","4","4","10","1") = "9"
    & skf18("3","8","10","4","5","1","1") = "9"
    & skf18("3","8","10","4","5","2","1") = "9"
    & skf18("3","8","10","4","5","3","1") = "9"
    & skf18("3","8","10","4","5","4","1") = "9"
    & skf18("3","8","10","4","5","5","1") = "9"
    & skf18("3","8","10","4","5","6","1") = "9"
    & skf18("3","8","10","4","5","7","1") = "9"
    & skf18("3","8","10","4","5","8","1") = "9"
    & skf18("3","8","10","4","5","9","1") = "9"
    & skf18("3","8","10","4","5","10","1") = "9"
    & skf18("3","8","10","4","6","1","1") = "9"
    & skf18("3","8","10","4","6","2","1") = "9"
    & skf18("3","8","10","4","6","3","1") = "9"
    & skf18("3","8","10","4","6","4","1") = "9"
    & skf18("3","8","10","4","6","5","1") = "9"
    & skf18("3","8","10","4","6","6","1") = "9"
    & skf18("3","8","10","4","6","7","1") = "9"
    & skf18("3","8","10","4","6","8","1") = "9"
    & skf18("3","8","10","4","6","9","1") = "9"
    & skf18("3","8","10","4","6","10","1") = "9"
    & skf18("3","8","10","4","7","1","1") = "9"
    & skf18("3","8","10","4","7","2","1") = "9"
    & skf18("3","8","10","4","7","3","1") = "9"
    & skf18("3","8","10","4","7","4","1") = "9"
    & skf18("3","8","10","4","7","5","1") = "9"
    & skf18("3","8","10","4","7","6","1") = "9"
    & skf18("3","8","10","4","7","7","1") = "9"
    & skf18("3","8","10","4","7","8","1") = "9"
    & skf18("3","8","10","4","7","9","1") = "9"
    & skf18("3","8","10","4","7","10","1") = "9"
    & skf18("3","8","10","4","8","1","1") = "9"
    & skf18("3","8","10","4","8","2","1") = "9"
    & skf18("3","8","10","4","8","3","1") = "9"
    & skf18("3","8","10","4","8","4","1") = "9"
    & skf18("3","8","10","4","8","5","1") = "9"
    & skf18("3","8","10","4","8","6","1") = "9"
    & skf18("3","8","10","4","8","7","1") = "9"
    & skf18("3","8","10","4","8","8","1") = "9"
    & skf18("3","8","10","4","8","9","1") = "9"
    & skf18("3","8","10","4","8","10","1") = "9"
    & skf18("3","8","10","4","9","1","1") = "9"
    & skf18("3","8","10","4","9","2","1") = "9"
    & skf18("3","8","10","4","9","3","1") = "9"
    & skf18("3","8","10","4","9","4","1") = "9"
    & skf18("3","8","10","4","9","5","1") = "9"
    & skf18("3","8","10","4","9","6","1") = "9"
    & skf18("3","8","10","4","9","7","1") = "9"
    & skf18("3","8","10","4","9","8","1") = "9"
    & skf18("3","8","10","4","9","9","1") = "9"
    & skf18("3","8","10","4","9","10","1") = "9"
    & skf18("3","8","10","4","10","1","1") = "9"
    & skf18("3","8","10","4","10","2","1") = "9"
    & skf18("3","8","10","4","10","3","1") = "9"
    & skf18("3","8","10","4","10","4","1") = "9"
    & skf18("3","8","10","4","10","5","1") = "9"
    & skf18("3","8","10","4","10","6","1") = "9"
    & skf18("3","8","10","4","10","7","1") = "9"
    & skf18("3","8","10","4","10","8","1") = "9"
    & skf18("3","8","10","4","10","9","1") = "9"
    & skf18("3","8","10","4","10","10","1") = "9"
    & skf18("3","8","10","5","1","1","1") = "9"
    & skf18("3","8","10","5","1","2","1") = "9"
    & skf18("3","8","10","5","1","3","1") = "9"
    & skf18("3","8","10","5","1","4","1") = "9"
    & skf18("3","8","10","5","1","5","1") = "9"
    & skf18("3","8","10","5","1","6","1") = "9"
    & skf18("3","8","10","5","1","7","1") = "9"
    & skf18("3","8","10","5","1","8","1") = "9"
    & skf18("3","8","10","5","1","9","1") = "9"
    & skf18("3","8","10","5","1","10","1") = "9"
    & skf18("3","8","10","5","2","1","1") = "9"
    & skf18("3","8","10","5","2","2","1") = "9"
    & skf18("3","8","10","5","2","3","1") = "9"
    & skf18("3","8","10","5","2","4","1") = "9"
    & skf18("3","8","10","5","2","5","1") = "9"
    & skf18("3","8","10","5","2","6","1") = "9"
    & skf18("3","8","10","5","2","7","1") = "9"
    & skf18("3","8","10","5","2","8","1") = "9"
    & skf18("3","8","10","5","2","9","1") = "9"
    & skf18("3","8","10","5","2","10","1") = "9"
    & skf18("3","8","10","5","3","1","1") = "9"
    & skf18("3","8","10","5","3","2","1") = "9"
    & skf18("3","8","10","5","3","3","1") = "9"
    & skf18("3","8","10","5","3","4","1") = "9"
    & skf18("3","8","10","5","3","5","1") = "9"
    & skf18("3","8","10","5","3","6","1") = "9"
    & skf18("3","8","10","5","3","7","1") = "9"
    & skf18("3","8","10","5","3","8","1") = "9"
    & skf18("3","8","10","5","3","9","1") = "9"
    & skf18("3","8","10","5","3","10","1") = "9"
    & skf18("3","8","10","5","4","1","1") = "9"
    & skf18("3","8","10","5","4","2","1") = "9"
    & skf18("3","8","10","5","4","3","1") = "9"
    & skf18("3","8","10","5","4","4","1") = "9"
    & skf18("3","8","10","5","4","5","1") = "9"
    & skf18("3","8","10","5","4","6","1") = "9"
    & skf18("3","8","10","5","4","7","1") = "9"
    & skf18("3","8","10","5","4","8","1") = "9"
    & skf18("3","8","10","5","4","9","1") = "9"
    & skf18("3","8","10","5","4","10","1") = "9"
    & skf18("3","8","10","5","5","1","1") = "9"
    & skf18("3","8","10","5","5","2","1") = "9"
    & skf18("3","8","10","5","5","3","1") = "9"
    & skf18("3","8","10","5","5","4","1") = "9"
    & skf18("3","8","10","5","5","5","1") = "9"
    & skf18("3","8","10","5","5","6","1") = "9"
    & skf18("3","8","10","5","5","7","1") = "9"
    & skf18("3","8","10","5","5","8","1") = "9"
    & skf18("3","8","10","5","5","9","1") = "9"
    & skf18("3","8","10","5","5","10","1") = "9"
    & skf18("3","8","10","5","6","1","1") = "9"
    & skf18("3","8","10","5","6","2","1") = "9"
    & skf18("3","8","10","5","6","3","1") = "9"
    & skf18("3","8","10","5","6","4","1") = "9"
    & skf18("3","8","10","5","6","5","1") = "9"
    & skf18("3","8","10","5","6","6","1") = "9"
    & skf18("3","8","10","5","6","7","1") = "9"
    & skf18("3","8","10","5","6","8","1") = "9"
    & skf18("3","8","10","5","6","9","1") = "9"
    & skf18("3","8","10","5","6","10","1") = "9"
    & skf18("3","8","10","5","7","1","1") = "9"
    & skf18("3","8","10","5","7","2","1") = "9"
    & skf18("3","8","10","5","7","3","1") = "9"
    & skf18("3","8","10","5","7","4","1") = "9"
    & skf18("3","8","10","5","7","5","1") = "9"
    & skf18("3","8","10","5","7","6","1") = "9"
    & skf18("3","8","10","5","7","7","1") = "9"
    & skf18("3","8","10","5","7","8","1") = "9"
    & skf18("3","8","10","5","7","9","1") = "9"
    & skf18("3","8","10","5","7","10","1") = "9"
    & skf18("3","8","10","5","8","1","1") = "9"
    & skf18("3","8","10","5","8","2","1") = "9"
    & skf18("3","8","10","5","8","3","1") = "9"
    & skf18("3","8","10","5","8","4","1") = "9"
    & skf18("3","8","10","5","8","5","1") = "9"
    & skf18("3","8","10","5","8","6","1") = "9"
    & skf18("3","8","10","5","8","7","1") = "9"
    & skf18("3","8","10","5","8","8","1") = "9"
    & skf18("3","8","10","5","8","9","1") = "9"
    & skf18("3","8","10","5","8","10","1") = "9"
    & skf18("3","8","10","5","9","1","1") = "9"
    & skf18("3","8","10","5","9","2","1") = "9"
    & skf18("3","8","10","5","9","3","1") = "9"
    & skf18("3","8","10","5","9","4","1") = "9"
    & skf18("3","8","10","5","9","5","1") = "9"
    & skf18("3","8","10","5","9","6","1") = "9"
    & skf18("3","8","10","5","9","7","1") = "9"
    & skf18("3","8","10","5","9","8","1") = "9"
    & skf18("3","8","10","5","9","9","1") = "9"
    & skf18("3","8","10","5","9","10","1") = "9"
    & skf18("3","8","10","5","10","1","1") = "9"
    & skf18("3","8","10","5","10","2","1") = "9"
    & skf18("3","8","10","5","10","3","1") = "9"
    & skf18("3","8","10","5","10","4","1") = "9"
    & skf18("3","8","10","5","10","5","1") = "9"
    & skf18("3","8","10","5","10","6","1") = "9"
    & skf18("3","8","10","5","10","7","1") = "9"
    & skf18("3","8","10","5","10","8","1") = "9"
    & skf18("3","8","10","5","10","9","1") = "9"
    & skf18("3","8","10","5","10","10","1") = "9"
    & skf18("3","8","10","6","1","1","1") = "9"
    & skf18("3","8","10","6","1","2","1") = "9"
    & skf18("3","8","10","6","1","3","1") = "9"
    & skf18("3","8","10","6","1","4","1") = "9"
    & skf18("3","8","10","6","1","5","1") = "9"
    & skf18("3","8","10","6","1","6","1") = "9"
    & skf18("3","8","10","6","1","7","1") = "9"
    & skf18("3","8","10","6","1","8","1") = "9"
    & skf18("3","8","10","6","1","9","1") = "9"
    & skf18("3","8","10","6","1","10","1") = "9"
    & skf18("3","8","10","6","2","1","1") = "9"
    & skf18("3","8","10","6","2","2","1") = "9"
    & skf18("3","8","10","6","2","3","1") = "9"
    & skf18("3","8","10","6","2","4","1") = "9"
    & skf18("3","8","10","6","2","5","1") = "9"
    & skf18("3","8","10","6","2","6","1") = "9"
    & skf18("3","8","10","6","2","7","1") = "9"
    & skf18("3","8","10","6","2","8","1") = "9"
    & skf18("3","8","10","6","2","9","1") = "9"
    & skf18("3","8","10","6","2","10","1") = "9"
    & skf18("3","8","10","6","3","1","1") = "9"
    & skf18("3","8","10","6","3","2","1") = "9"
    & skf18("3","8","10","6","3","3","1") = "9"
    & skf18("3","8","10","6","3","4","1") = "9"
    & skf18("3","8","10","6","3","5","1") = "9"
    & skf18("3","8","10","6","3","6","1") = "9"
    & skf18("3","8","10","6","3","7","1") = "9"
    & skf18("3","8","10","6","3","8","1") = "9"
    & skf18("3","8","10","6","3","9","1") = "9"
    & skf18("3","8","10","6","3","10","1") = "9"
    & skf18("3","8","10","6","4","1","1") = "9"
    & skf18("3","8","10","6","4","2","1") = "9"
    & skf18("3","8","10","6","4","3","1") = "9"
    & skf18("3","8","10","6","4","4","1") = "9"
    & skf18("3","8","10","6","4","5","1") = "9"
    & skf18("3","8","10","6","4","6","1") = "9"
    & skf18("3","8","10","6","4","7","1") = "9"
    & skf18("3","8","10","6","4","8","1") = "9"
    & skf18("3","8","10","6","4","9","1") = "9"
    & skf18("3","8","10","6","4","10","1") = "9"
    & skf18("3","8","10","6","5","1","1") = "9"
    & skf18("3","8","10","6","5","2","1") = "9"
    & skf18("3","8","10","6","5","3","1") = "9"
    & skf18("3","8","10","6","5","4","1") = "9"
    & skf18("3","8","10","6","5","5","1") = "9"
    & skf18("3","8","10","6","5","6","1") = "9"
    & skf18("3","8","10","6","5","7","1") = "9"
    & skf18("3","8","10","6","5","8","1") = "9"
    & skf18("3","8","10","6","5","9","1") = "9"
    & skf18("3","8","10","6","5","10","1") = "9"
    & skf18("3","8","10","6","6","1","1") = "9"
    & skf18("3","8","10","6","6","2","1") = "9"
    & skf18("3","8","10","6","6","3","1") = "9"
    & skf18("3","8","10","6","6","4","1") = "9"
    & skf18("3","8","10","6","6","5","1") = "9"
    & skf18("3","8","10","6","6","6","1") = "9"
    & skf18("3","8","10","6","6","7","1") = "9"
    & skf18("3","8","10","6","6","8","1") = "9"
    & skf18("3","8","10","6","6","9","1") = "9"
    & skf18("3","8","10","6","6","10","1") = "9"
    & skf18("3","8","10","6","7","1","1") = "9"
    & skf18("3","8","10","6","7","2","1") = "9"
    & skf18("3","8","10","6","7","3","1") = "9"
    & skf18("3","8","10","6","7","4","1") = "9"
    & skf18("3","8","10","6","7","5","1") = "9"
    & skf18("3","8","10","6","7","6","1") = "9"
    & skf18("3","8","10","6","7","7","1") = "9"
    & skf18("3","8","10","6","7","8","1") = "9"
    & skf18("3","8","10","6","7","9","1") = "9"
    & skf18("3","8","10","6","7","10","1") = "9"
    & skf18("3","8","10","6","8","1","1") = "9"
    & skf18("3","8","10","6","8","2","1") = "9"
    & skf18("3","8","10","6","8","3","1") = "9"
    & skf18("3","8","10","6","8","4","1") = "9"
    & skf18("3","8","10","6","8","5","1") = "9"
    & skf18("3","8","10","6","8","6","1") = "9"
    & skf18("3","8","10","6","8","7","1") = "9"
    & skf18("3","8","10","6","8","8","1") = "9"
    & skf18("3","8","10","6","8","9","1") = "9"
    & skf18("3","8","10","6","8","10","1") = "9"
    & skf18("3","8","10","6","9","1","1") = "9"
    & skf18("3","8","10","6","9","2","1") = "9"
    & skf18("3","8","10","6","9","3","1") = "9"
    & skf18("3","8","10","6","9","4","1") = "9"
    & skf18("3","8","10","6","9","5","1") = "9"
    & skf18("3","8","10","6","9","6","1") = "9"
    & skf18("3","8","10","6","9","7","1") = "9"
    & skf18("3","8","10","6","9","8","1") = "9"
    & skf18("3","8","10","6","9","9","1") = "9"
    & skf18("3","8","10","6","9","10","1") = "9"
    & skf18("3","8","10","6","10","1","1") = "9"
    & skf18("3","8","10","6","10","2","1") = "9"
    & skf18("3","8","10","6","10","3","1") = "9"
    & skf18("3","8","10","6","10","4","1") = "9"
    & skf18("3","8","10","6","10","5","1") = "9"
    & skf18("3","8","10","6","10","6","1") = "9"
    & skf18("3","8","10","6","10","7","1") = "9"
    & skf18("3","8","10","6","10","8","1") = "9"
    & skf18("3","8","10","6","10","9","1") = "9"
    & skf18("3","8","10","6","10","10","1") = "9"
    & skf18("3","8","10","7","1","1","1") = "9"
    & skf18("3","8","10","7","1","2","1") = "9"
    & skf18("3","8","10","7","1","3","1") = "9"
    & skf18("3","8","10","7","1","4","1") = "9"
    & skf18("3","8","10","7","1","5","1") = "9"
    & skf18("3","8","10","7","1","6","1") = "9"
    & skf18("3","8","10","7","1","7","1") = "9"
    & skf18("3","8","10","7","1","8","1") = "9"
    & skf18("3","8","10","7","1","9","1") = "9"
    & skf18("3","8","10","7","1","10","1") = "9"
    & skf18("3","8","10","7","2","1","1") = "9"
    & skf18("3","8","10","7","2","2","1") = "9"
    & skf18("3","8","10","7","2","3","1") = "9"
    & skf18("3","8","10","7","2","4","1") = "9"
    & skf18("3","8","10","7","2","5","1") = "9"
    & skf18("3","8","10","7","2","6","1") = "9"
    & skf18("3","8","10","7","2","7","1") = "9"
    & skf18("3","8","10","7","2","8","1") = "9"
    & skf18("3","8","10","7","2","9","1") = "9"
    & skf18("3","8","10","7","2","10","1") = "9"
    & skf18("3","8","10","7","3","1","1") = "9"
    & skf18("3","8","10","7","3","2","1") = "9"
    & skf18("3","8","10","7","3","3","1") = "9"
    & skf18("3","8","10","7","3","4","1") = "9"
    & skf18("3","8","10","7","3","5","1") = "9"
    & skf18("3","8","10","7","3","6","1") = "9"
    & skf18("3","8","10","7","3","7","1") = "9"
    & skf18("3","8","10","7","3","8","1") = "9"
    & skf18("3","8","10","7","3","9","1") = "9"
    & skf18("3","8","10","7","3","10","1") = "9"
    & skf18("3","8","10","7","4","1","1") = "9"
    & skf18("3","8","10","7","4","2","1") = "9"
    & skf18("3","8","10","7","4","3","1") = "9"
    & skf18("3","8","10","7","4","4","1") = "9"
    & skf18("3","8","10","7","4","5","1") = "9"
    & skf18("3","8","10","7","4","6","1") = "9"
    & skf18("3","8","10","7","4","7","1") = "9"
    & skf18("3","8","10","7","4","8","1") = "9"
    & skf18("3","8","10","7","4","9","1") = "9"
    & skf18("3","8","10","7","4","10","1") = "9"
    & skf18("3","8","10","7","5","1","1") = "9"
    & skf18("3","8","10","7","5","2","1") = "9"
    & skf18("3","8","10","7","5","3","1") = "9"
    & skf18("3","8","10","7","5","4","1") = "9"
    & skf18("3","8","10","7","5","5","1") = "9"
    & skf18("3","8","10","7","5","6","1") = "9"
    & skf18("3","8","10","7","5","7","1") = "9"
    & skf18("3","8","10","7","5","8","1") = "9"
    & skf18("3","8","10","7","5","9","1") = "9"
    & skf18("3","8","10","7","5","10","1") = "9"
    & skf18("3","8","10","7","6","1","1") = "9"
    & skf18("3","8","10","7","6","2","1") = "9"
    & skf18("3","8","10","7","6","3","1") = "9"
    & skf18("3","8","10","7","6","4","1") = "9"
    & skf18("3","8","10","7","6","5","1") = "9"
    & skf18("3","8","10","7","6","6","1") = "9"
    & skf18("3","8","10","7","6","7","1") = "9"
    & skf18("3","8","10","7","6","8","1") = "9"
    & skf18("3","8","10","7","6","9","1") = "9"
    & skf18("3","8","10","7","6","10","1") = "9"
    & skf18("3","8","10","7","7","1","1") = "9"
    & skf18("3","8","10","7","7","2","1") = "9"
    & skf18("3","8","10","7","7","3","1") = "9"
    & skf18("3","8","10","7","7","4","1") = "9"
    & skf18("3","8","10","7","7","5","1") = "9"
    & skf18("3","8","10","7","7","6","1") = "9"
    & skf18("3","8","10","7","7","7","1") = "9"
    & skf18("3","8","10","7","7","8","1") = "9"
    & skf18("3","8","10","7","7","9","1") = "9"
    & skf18("3","8","10","7","7","10","1") = "9"
    & skf18("3","8","10","7","8","1","1") = "9"
    & skf18("3","8","10","7","8","2","1") = "9"
    & skf18("3","8","10","7","8","3","1") = "9"
    & skf18("3","8","10","7","8","4","1") = "9"
    & skf18("3","8","10","7","8","5","1") = "9"
    & skf18("3","8","10","7","8","6","1") = "9"
    & skf18("3","8","10","7","8","7","1") = "9"
    & skf18("3","8","10","7","8","8","1") = "9"
    & skf18("3","8","10","7","8","9","1") = "9"
    & skf18("3","8","10","7","8","10","1") = "9"
    & skf18("3","8","10","7","9","1","1") = "9"
    & skf18("3","8","10","7","9","2","1") = "9"
    & skf18("3","8","10","7","9","3","1") = "9"
    & skf18("3","8","10","7","9","4","1") = "9"
    & skf18("3","8","10","7","9","5","1") = "9"
    & skf18("3","8","10","7","9","6","1") = "9"
    & skf18("3","8","10","7","9","7","1") = "9"
    & skf18("3","8","10","7","9","8","1") = "9"
    & skf18("3","8","10","7","9","9","1") = "9"
    & skf18("3","8","10","7","9","10","1") = "9"
    & skf18("3","8","10","7","10","1","1") = "9"
    & skf18("3","8","10","7","10","2","1") = "9"
    & skf18("3","8","10","7","10","3","1") = "9"
    & skf18("3","8","10","7","10","4","1") = "9"
    & skf18("3","8","10","7","10","5","1") = "9"
    & skf18("3","8","10","7","10","6","1") = "9"
    & skf18("3","8","10","7","10","7","1") = "9"
    & skf18("3","8","10","7","10","8","1") = "9"
    & skf18("3","8","10","7","10","9","1") = "9"
    & skf18("3","8","10","7","10","10","1") = "9"
    & skf18("3","8","10","8","1","1","1") = "9"
    & skf18("3","8","10","8","1","2","1") = "9"
    & skf18("3","8","10","8","1","3","1") = "9"
    & skf18("3","8","10","8","1","4","1") = "9"
    & skf18("3","8","10","8","1","5","1") = "9"
    & skf18("3","8","10","8","1","6","1") = "9"
    & skf18("3","8","10","8","1","7","1") = "9"
    & skf18("3","8","10","8","1","8","1") = "9"
    & skf18("3","8","10","8","1","9","1") = "9"
    & skf18("3","8","10","8","1","10","1") = "9"
    & skf18("3","8","10","8","2","1","1") = "9"
    & skf18("3","8","10","8","2","2","1") = "9"
    & skf18("3","8","10","8","2","3","1") = "9"
    & skf18("3","8","10","8","2","4","1") = "9"
    & skf18("3","8","10","8","2","5","1") = "9"
    & skf18("3","8","10","8","2","6","1") = "9"
    & skf18("3","8","10","8","2","7","1") = "9"
    & skf18("3","8","10","8","2","8","1") = "9"
    & skf18("3","8","10","8","2","9","1") = "9"
    & skf18("3","8","10","8","2","10","1") = "9"
    & skf18("3","8","10","8","3","1","1") = "9"
    & skf18("3","8","10","8","3","2","1") = "9"
    & skf18("3","8","10","8","3","3","1") = "9"
    & skf18("3","8","10","8","3","4","1") = "9"
    & skf18("3","8","10","8","3","5","1") = "9"
    & skf18("3","8","10","8","3","6","1") = "9"
    & skf18("3","8","10","8","3","7","1") = "9"
    & skf18("3","8","10","8","3","8","1") = "9"
    & skf18("3","8","10","8","3","9","1") = "9"
    & skf18("3","8","10","8","3","10","1") = "9"
    & skf18("3","8","10","8","4","1","1") = "9"
    & skf18("3","8","10","8","4","2","1") = "9"
    & skf18("3","8","10","8","4","3","1") = "9"
    & skf18("3","8","10","8","4","4","1") = "9"
    & skf18("3","8","10","8","4","5","1") = "9"
    & skf18("3","8","10","8","4","6","1") = "9"
    & skf18("3","8","10","8","4","7","1") = "9"
    & skf18("3","8","10","8","4","8","1") = "9"
    & skf18("3","8","10","8","4","9","1") = "9"
    & skf18("3","8","10","8","4","10","1") = "9"
    & skf18("3","8","10","8","5","1","1") = "9"
    & skf18("3","8","10","8","5","2","1") = "9"
    & skf18("3","8","10","8","5","3","1") = "9"
    & skf18("3","8","10","8","5","4","1") = "9"
    & skf18("3","8","10","8","5","5","1") = "9"
    & skf18("3","8","10","8","5","6","1") = "9"
    & skf18("3","8","10","8","5","7","1") = "9"
    & skf18("3","8","10","8","5","8","1") = "9"
    & skf18("3","8","10","8","5","9","1") = "9"
    & skf18("3","8","10","8","5","10","1") = "9"
    & skf18("3","8","10","8","6","1","1") = "9"
    & skf18("3","8","10","8","6","2","1") = "9"
    & skf18("3","8","10","8","6","3","1") = "9"
    & skf18("3","8","10","8","6","4","1") = "9"
    & skf18("3","8","10","8","6","5","1") = "9"
    & skf18("3","8","10","8","6","6","1") = "9"
    & skf18("3","8","10","8","6","7","1") = "9"
    & skf18("3","8","10","8","6","8","1") = "9"
    & skf18("3","8","10","8","6","9","1") = "9"
    & skf18("3","8","10","8","6","10","1") = "9"
    & skf18("3","8","10","8","7","1","1") = "9"
    & skf18("3","8","10","8","7","2","1") = "9"
    & skf18("3","8","10","8","7","3","1") = "9"
    & skf18("3","8","10","8","7","4","1") = "9"
    & skf18("3","8","10","8","7","5","1") = "9"
    & skf18("3","8","10","8","7","6","1") = "9"
    & skf18("3","8","10","8","7","7","1") = "9"
    & skf18("3","8","10","8","7","8","1") = "9"
    & skf18("3","8","10","8","7","9","1") = "9"
    & skf18("3","8","10","8","7","10","1") = "9"
    & skf18("3","8","10","8","8","1","1") = "9"
    & skf18("3","8","10","8","8","2","1") = "9"
    & skf18("3","8","10","8","8","3","1") = "9"
    & skf18("3","8","10","8","8","4","1") = "9"
    & skf18("3","8","10","8","8","5","1") = "9"
    & skf18("3","8","10","8","8","6","1") = "9"
    & skf18("3","8","10","8","8","7","1") = "9"
    & skf18("3","8","10","8","8","8","1") = "9"
    & skf18("3","8","10","8","8","9","1") = "9"
    & skf18("3","8","10","8","8","10","1") = "9"
    & skf18("3","8","10","8","9","1","1") = "9"
    & skf18("3","8","10","8","9","2","1") = "9"
    & skf18("3","8","10","8","9","3","1") = "9"
    & skf18("3","8","10","8","9","4","1") = "9"
    & skf18("3","8","10","8","9","5","1") = "9"
    & skf18("3","8","10","8","9","6","1") = "9"
    & skf18("3","8","10","8","9","7","1") = "9"
    & skf18("3","8","10","8","9","8","1") = "9"
    & skf18("3","8","10","8","9","9","1") = "9"
    & skf18("3","8","10","8","9","10","1") = "9"
    & skf18("3","8","10","8","10","1","1") = "9"
    & skf18("3","8","10","8","10","2","1") = "9"
    & skf18("3","8","10","8","10","3","1") = "9"
    & skf18("3","8","10","8","10","4","1") = "9"
    & skf18("3","8","10","8","10","5","1") = "9"
    & skf18("3","8","10","8","10","6","1") = "9"
    & skf18("3","8","10","8","10","7","1") = "9"
    & skf18("3","8","10","8","10","8","1") = "9"
    & skf18("3","8","10","8","10","9","1") = "9"
    & skf18("3","8","10","8","10","10","1") = "9"
    & skf18("3","8","10","9","1","1","1") = "9"
    & skf18("3","8","10","9","1","2","1") = "9"
    & skf18("3","8","10","9","1","3","1") = "9"
    & skf18("3","8","10","9","1","4","1") = "9"
    & skf18("3","8","10","9","1","5","1") = "9"
    & skf18("3","8","10","9","1","6","1") = "9"
    & skf18("3","8","10","9","1","7","1") = "9"
    & skf18("3","8","10","9","1","8","1") = "9"
    & skf18("3","8","10","9","1","9","1") = "9"
    & skf18("3","8","10","9","1","10","1") = "9"
    & skf18("3","8","10","9","2","1","1") = "9"
    & skf18("3","8","10","9","2","2","1") = "9"
    & skf18("3","8","10","9","2","3","1") = "9"
    & skf18("3","8","10","9","2","4","1") = "9"
    & skf18("3","8","10","9","2","5","1") = "9"
    & skf18("3","8","10","9","2","6","1") = "9"
    & skf18("3","8","10","9","2","7","1") = "9"
    & skf18("3","8","10","9","2","8","1") = "9"
    & skf18("3","8","10","9","2","9","1") = "9"
    & skf18("3","8","10","9","2","10","1") = "9"
    & skf18("3","8","10","9","3","1","1") = "9"
    & skf18("3","8","10","9","3","2","1") = "9"
    & skf18("3","8","10","9","3","3","1") = "9"
    & skf18("3","8","10","9","3","4","1") = "9"
    & skf18("3","8","10","9","3","5","1") = "9"
    & skf18("3","8","10","9","3","6","1") = "9"
    & skf18("3","8","10","9","3","7","1") = "9"
    & skf18("3","8","10","9","3","8","1") = "9"
    & skf18("3","8","10","9","3","9","1") = "9"
    & skf18("3","8","10","9","3","10","1") = "9"
    & skf18("3","8","10","9","4","1","1") = "9"
    & skf18("3","8","10","9","4","2","1") = "9"
    & skf18("3","8","10","9","4","3","1") = "9"
    & skf18("3","8","10","9","4","4","1") = "9"
    & skf18("3","8","10","9","4","5","1") = "9"
    & skf18("3","8","10","9","4","6","1") = "9"
    & skf18("3","8","10","9","4","7","1") = "9"
    & skf18("3","8","10","9","4","8","1") = "9"
    & skf18("3","8","10","9","4","9","1") = "9"
    & skf18("3","8","10","9","4","10","1") = "9"
    & skf18("3","8","10","9","5","1","1") = "9"
    & skf18("3","8","10","9","5","2","1") = "9"
    & skf18("3","8","10","9","5","3","1") = "9"
    & skf18("3","8","10","9","5","4","1") = "9"
    & skf18("3","8","10","9","5","5","1") = "9"
    & skf18("3","8","10","9","5","6","1") = "9"
    & skf18("3","8","10","9","5","7","1") = "9"
    & skf18("3","8","10","9","5","8","1") = "9"
    & skf18("3","8","10","9","5","9","1") = "9"
    & skf18("3","8","10","9","5","10","1") = "9"
    & skf18("3","8","10","9","6","1","1") = "9"
    & skf18("3","8","10","9","6","2","1") = "9"
    & skf18("3","8","10","9","6","3","1") = "9"
    & skf18("3","8","10","9","6","4","1") = "9"
    & skf18("3","8","10","9","6","5","1") = "9"
    & skf18("3","8","10","9","6","6","1") = "9"
    & skf18("3","8","10","9","6","7","1") = "9"
    & skf18("3","8","10","9","6","8","1") = "9"
    & skf18("3","8","10","9","6","9","1") = "9"
    & skf18("3","8","10","9","6","10","1") = "9"
    & skf18("3","8","10","9","7","1","1") = "9"
    & skf18("3","8","10","9","7","2","1") = "9"
    & skf18("3","8","10","9","7","3","1") = "9"
    & skf18("3","8","10","9","7","4","1") = "9"
    & skf18("3","8","10","9","7","5","1") = "9"
    & skf18("3","8","10","9","7","6","1") = "9"
    & skf18("3","8","10","9","7","7","1") = "9"
    & skf18("3","8","10","9","7","8","1") = "9"
    & skf18("3","8","10","9","7","9","1") = "9"
    & skf18("3","8","10","9","7","10","1") = "9"
    & skf18("3","8","10","9","8","1","1") = "9"
    & skf18("3","8","10","9","8","2","1") = "9"
    & skf18("3","8","10","9","8","3","1") = "9"
    & skf18("3","8","10","9","8","4","1") = "9"
    & skf18("3","8","10","9","8","5","1") = "9"
    & skf18("3","8","10","9","8","6","1") = "9"
    & skf18("3","8","10","9","8","7","1") = "9"
    & skf18("3","8","10","9","8","8","1") = "9"
    & skf18("3","8","10","9","8","9","1") = "9"
    & skf18("3","8","10","9","8","10","1") = "9"
    & skf18("3","8","10","9","9","1","1") = "9"
    & skf18("3","8","10","9","9","2","1") = "9"
    & skf18("3","8","10","9","9","3","1") = "9"
    & skf18("3","8","10","9","9","4","1") = "9"
    & skf18("3","8","10","9","9","5","1") = "9"
    & skf18("3","8","10","9","9","6","1") = "9"
    & skf18("3","8","10","9","9","7","1") = "9"
    & skf18("3","8","10","9","9","8","1") = "9"
    & skf18("3","8","10","9","9","9","1") = "9"
    & skf18("3","8","10","9","9","10","1") = "9"
    & skf18("3","8","10","9","10","1","1") = "9"
    & skf18("3","8","10","9","10","2","1") = "9"
    & skf18("3","8","10","9","10","3","1") = "9"
    & skf18("3","8","10","9","10","4","1") = "9"
    & skf18("3","8","10","9","10","5","1") = "9"
    & skf18("3","8","10","9","10","6","1") = "9"
    & skf18("3","8","10","9","10","7","1") = "9"
    & skf18("3","8","10","9","10","8","1") = "9"
    & skf18("3","8","10","9","10","9","1") = "9"
    & skf18("3","8","10","9","10","10","1") = "9"
    & skf18("3","8","10","10","1","1","1") = "9"
    & skf18("3","8","10","10","1","2","1") = "9"
    & skf18("3","8","10","10","1","3","1") = "9"
    & skf18("3","8","10","10","1","4","1") = "9"
    & skf18("3","8","10","10","1","5","1") = "9"
    & skf18("3","8","10","10","1","6","1") = "9"
    & skf18("3","8","10","10","1","7","1") = "9"
    & skf18("3","8","10","10","1","8","1") = "9"
    & skf18("3","8","10","10","1","9","1") = "9"
    & skf18("3","8","10","10","1","10","1") = "9"
    & skf18("3","8","10","10","2","1","1") = "9"
    & skf18("3","8","10","10","2","2","1") = "9"
    & skf18("3","8","10","10","2","3","1") = "9"
    & skf18("3","8","10","10","2","4","1") = "9"
    & skf18("3","8","10","10","2","5","1") = "9"
    & skf18("3","8","10","10","2","6","1") = "9"
    & skf18("3","8","10","10","2","7","1") = "9"
    & skf18("3","8","10","10","2","8","1") = "9"
    & skf18("3","8","10","10","2","9","1") = "9"
    & skf18("3","8","10","10","2","10","1") = "9"
    & skf18("3","8","10","10","3","1","1") = "9"
    & skf18("3","8","10","10","3","2","1") = "9"
    & skf18("3","8","10","10","3","3","1") = "9"
    & skf18("3","8","10","10","3","4","1") = "9"
    & skf18("3","8","10","10","3","5","1") = "9"
    & skf18("3","8","10","10","3","6","1") = "9"
    & skf18("3","8","10","10","3","7","1") = "9"
    & skf18("3","8","10","10","3","8","1") = "9"
    & skf18("3","8","10","10","3","9","1") = "9"
    & skf18("3","8","10","10","3","10","1") = "9"
    & skf18("3","8","10","10","4","1","1") = "9"
    & skf18("3","8","10","10","4","2","1") = "9"
    & skf18("3","8","10","10","4","3","1") = "9"
    & skf18("3","8","10","10","4","4","1") = "9"
    & skf18("3","8","10","10","4","5","1") = "9"
    & skf18("3","8","10","10","4","6","1") = "9"
    & skf18("3","8","10","10","4","7","1") = "9"
    & skf18("3","8","10","10","4","8","1") = "9"
    & skf18("3","8","10","10","4","9","1") = "9"
    & skf18("3","8","10","10","4","10","1") = "9"
    & skf18("3","8","10","10","5","1","1") = "9"
    & skf18("3","8","10","10","5","2","1") = "9"
    & skf18("3","8","10","10","5","3","1") = "9"
    & skf18("3","8","10","10","5","4","1") = "9"
    & skf18("3","8","10","10","5","5","1") = "9"
    & skf18("3","8","10","10","5","6","1") = "9"
    & skf18("3","8","10","10","5","7","1") = "9"
    & skf18("3","8","10","10","5","8","1") = "9"
    & skf18("3","8","10","10","5","9","1") = "9"
    & skf18("3","8","10","10","5","10","1") = "9"
    & skf18("3","8","10","10","6","1","1") = "9"
    & skf18("3","8","10","10","6","2","1") = "9"
    & skf18("3","8","10","10","6","3","1") = "9"
    & skf18("3","8","10","10","6","4","1") = "9"
    & skf18("3","8","10","10","6","5","1") = "9"
    & skf18("3","8","10","10","6","6","1") = "9"
    & skf18("3","8","10","10","6","7","1") = "9"
    & skf18("3","8","10","10","6","8","1") = "9"
    & skf18("3","8","10","10","6","9","1") = "9"
    & skf18("3","8","10","10","6","10","1") = "9"
    & skf18("3","8","10","10","7","1","1") = "9"
    & skf18("3","8","10","10","7","2","1") = "9"
    & skf18("3","8","10","10","7","3","1") = "9"
    & skf18("3","8","10","10","7","4","1") = "9"
    & skf18("3","8","10","10","7","5","1") = "9"
    & skf18("3","8","10","10","7","6","1") = "9"
    & skf18("3","8","10","10","7","7","1") = "9"
    & skf18("3","8","10","10","7","8","1") = "9"
    & skf18("3","8","10","10","7","9","1") = "9"
    & skf18("3","8","10","10","7","10","1") = "9"
    & skf18("3","8","10","10","8","1","1") = "9"
    & skf18("3","8","10","10","8","2","1") = "9"
    & skf18("3","8","10","10","8","3","1") = "9"
    & skf18("3","8","10","10","8","4","1") = "9"
    & skf18("3","8","10","10","8","5","1") = "9"
    & skf18("3","8","10","10","8","6","1") = "9"
    & skf18("3","8","10","10","8","7","1") = "9"
    & skf18("3","8","10","10","8","8","1") = "9"
    & skf18("3","8","10","10","8","9","1") = "9"
    & skf18("3","8","10","10","8","10","1") = "9"
    & skf18("3","8","10","10","9","1","1") = "9"
    & skf18("3","8","10","10","9","2","1") = "9"
    & skf18("3","8","10","10","9","3","1") = "9"
    & skf18("3","8","10","10","9","4","1") = "9"
    & skf18("3","8","10","10","9","5","1") = "9"
    & skf18("3","8","10","10","9","6","1") = "9"
    & skf18("3","8","10","10","9","7","1") = "9"
    & skf18("3","8","10","10","9","8","1") = "9"
    & skf18("3","8","10","10","9","9","1") = "9"
    & skf18("3","8","10","10","9","10","1") = "9"
    & skf18("3","8","10","10","10","1","1") = "9"
    & skf18("3","8","10","10","10","2","1") = "9"
    & skf18("3","8","10","10","10","3","1") = "9"
    & skf18("3","8","10","10","10","4","1") = "9"
    & skf18("3","8","10","10","10","5","1") = "9"
    & skf18("3","8","10","10","10","6","1") = "9"
    & skf18("3","8","10","10","10","7","1") = "9"
    & skf18("3","8","10","10","10","8","1") = "9"
    & skf18("3","8","10","10","10","9","1") = "9"
    & skf18("3","8","10","10","10","10","1") = "9"
    & skf18("3","9","1","1","1","1","1") = "8"
    & skf18("3","9","1","1","1","2","1") = "8"
    & skf18("3","9","1","1","1","3","1") = "8"
    & skf18("3","9","1","1","1","4","1") = "8"
    & skf18("3","9","1","1","1","5","1") = "8"
    & skf18("3","9","1","1","1","6","1") = "8"
    & skf18("3","9","1","1","1","7","1") = "8"
    & skf18("3","9","1","1","1","8","1") = "8"
    & skf18("3","9","1","1","1","9","1") = "8"
    & skf18("3","9","1","1","1","10","1") = "9"
    & skf18("3","9","1","1","2","1","1") = "8"
    & skf18("3","9","1","1","2","2","1") = "8"
    & skf18("3","9","1","1","2","3","1") = "8"
    & skf18("3","9","1","1","2","4","1") = "8"
    & skf18("3","9","1","1","2","5","1") = "8"
    & skf18("3","9","1","1","2","6","1") = "8"
    & skf18("3","9","1","1","2","7","1") = "8"
    & skf18("3","9","1","1","2","8","1") = "8"
    & skf18("3","9","1","1","2","9","1") = "8"
    & skf18("3","9","1","1","2","10","1") = "9"
    & skf18("3","9","1","1","3","1","1") = "8"
    & skf18("3","9","1","1","3","2","1") = "8"
    & skf18("3","9","1","1","3","3","1") = "8"
    & skf18("3","9","1","1","3","4","1") = "8"
    & skf18("3","9","1","1","3","5","1") = "8"
    & skf18("3","9","1","1","3","6","1") = "8"
    & skf18("3","9","1","1","3","7","1") = "8"
    & skf18("3","9","1","1","3","8","1") = "8"
    & skf18("3","9","1","1","3","9","1") = "8"
    & skf18("3","9","1","1","3","10","1") = "9"
    & skf18("3","9","1","1","4","1","1") = "8"
    & skf18("3","9","1","1","4","2","1") = "8"
    & skf18("3","9","1","1","4","3","1") = "8"
    & skf18("3","9","1","1","4","4","1") = "8"
    & skf18("3","9","1","1","4","5","1") = "8"
    & skf18("3","9","1","1","4","6","1") = "8"
    & skf18("3","9","1","1","4","7","1") = "8"
    & skf18("3","9","1","1","4","8","1") = "8"
    & skf18("3","9","1","1","4","9","1") = "8"
    & skf18("3","9","1","1","4","10","1") = "9"
    & skf18("3","9","1","1","5","1","1") = "8"
    & skf18("3","9","1","1","5","2","1") = "8"
    & skf18("3","9","1","1","5","3","1") = "8"
    & skf18("3","9","1","1","5","4","1") = "8"
    & skf18("3","9","1","1","5","5","1") = "8"
    & skf18("3","9","1","1","5","6","1") = "8"
    & skf18("3","9","1","1","5","7","1") = "8"
    & skf18("3","9","1","1","5","8","1") = "8"
    & skf18("3","9","1","1","5","9","1") = "8"
    & skf18("3","9","1","1","5","10","1") = "9"
    & skf18("3","9","1","1","6","1","1") = "8"
    & skf18("3","9","1","1","6","2","1") = "8"
    & skf18("3","9","1","1","6","3","1") = "8"
    & skf18("3","9","1","1","6","4","1") = "8"
    & skf18("3","9","1","1","6","5","1") = "8"
    & skf18("3","9","1","1","6","6","1") = "8"
    & skf18("3","9","1","1","6","7","1") = "8"
    & skf18("3","9","1","1","6","8","1") = "8"
    & skf18("3","9","1","1","6","9","1") = "8"
    & skf18("3","9","1","1","6","10","1") = "9"
    & skf18("3","9","1","1","7","1","1") = "8"
    & skf18("3","9","1","1","7","2","1") = "8"
    & skf18("3","9","1","1","7","3","1") = "8"
    & skf18("3","9","1","1","7","4","1") = "8"
    & skf18("3","9","1","1","7","5","1") = "8"
    & skf18("3","9","1","1","7","6","1") = "8"
    & skf18("3","9","1","1","7","7","1") = "8"
    & skf18("3","9","1","1","7","8","1") = "8"
    & skf18("3","9","1","1","7","9","1") = "8"
    & skf18("3","9","1","1","7","10","1") = "9"
    & skf18("3","9","1","1","8","1","1") = "8"
    & skf18("3","9","1","1","8","2","1") = "8"
    & skf18("3","9","1","1","8","3","1") = "8"
    & skf18("3","9","1","1","8","4","1") = "8"
    & skf18("3","9","1","1","8","5","1") = "8"
    & skf18("3","9","1","1","8","6","1") = "8"
    & skf18("3","9","1","1","8","7","1") = "8"
    & skf18("3","9","1","1","8","8","1") = "8"
    & skf18("3","9","1","1","8","9","1") = "8"
    & skf18("3","9","1","1","8","10","1") = "9"
    & skf18("3","9","1","1","9","1","1") = "8"
    & skf18("3","9","1","1","9","2","1") = "8"
    & skf18("3","9","1","1","9","3","1") = "8"
    & skf18("3","9","1","1","9","4","1") = "8"
    & skf18("3","9","1","1","9","5","1") = "8"
    & skf18("3","9","1","1","9","6","1") = "8"
    & skf18("3","9","1","1","9","7","1") = "8"
    & skf18("3","9","1","1","9","8","1") = "8"
    & skf18("3","9","1","1","9","9","1") = "8"
    & skf18("3","9","1","1","9","10","1") = "9"
    & skf18("3","9","1","1","10","1","1") = "9"
    & skf18("3","9","1","1","10","2","1") = "9"
    & skf18("3","9","1","1","10","3","1") = "9"
    & skf18("3","9","1","1","10","4","1") = "9"
    & skf18("3","9","1","1","10","5","1") = "9"
    & skf18("3","9","1","1","10","6","1") = "9"
    & skf18("3","9","1","1","10","7","1") = "9"
    & skf18("3","9","1","1","10","8","1") = "9"
    & skf18("3","9","1","1","10","9","1") = "9"
    & skf18("3","9","1","1","10","10","1") = "9"
    & skf18("3","9","1","2","1","1","1") = "8"
    & skf18("3","9","1","2","1","2","1") = "8"
    & skf18("3","9","1","2","1","3","1") = "8"
    & skf18("3","9","1","2","1","4","1") = "8"
    & skf18("3","9","1","2","1","5","1") = "8"
    & skf18("3","9","1","2","1","6","1") = "8"
    & skf18("3","9","1","2","1","7","1") = "8"
    & skf18("3","9","1","2","1","8","1") = "8"
    & skf18("3","9","1","2","1","9","1") = "8"
    & skf18("3","9","1","2","1","10","1") = "9"
    & skf18("3","9","1","2","2","1","1") = "8"
    & skf18("3","9","1","2","2","2","1") = "8"
    & skf18("3","9","1","2","2","3","1") = "8"
    & skf18("3","9","1","2","2","4","1") = "8"
    & skf18("3","9","1","2","2","5","1") = "8"
    & skf18("3","9","1","2","2","6","1") = "8"
    & skf18("3","9","1","2","2","7","1") = "8"
    & skf18("3","9","1","2","2","8","1") = "8"
    & skf18("3","9","1","2","2","9","1") = "8"
    & skf18("3","9","1","2","2","10","1") = "9"
    & skf18("3","9","1","2","3","1","1") = "8"
    & skf18("3","9","1","2","3","2","1") = "8"
    & skf18("3","9","1","2","3","3","1") = "8"
    & skf18("3","9","1","2","3","4","1") = "8"
    & skf18("3","9","1","2","3","5","1") = "8"
    & skf18("3","9","1","2","3","6","1") = "8"
    & skf18("3","9","1","2","3","7","1") = "8"
    & skf18("3","9","1","2","3","8","1") = "8"
    & skf18("3","9","1","2","3","9","1") = "8"
    & skf18("3","9","1","2","3","10","1") = "9"
    & skf18("3","9","1","2","4","1","1") = "8"
    & skf18("3","9","1","2","4","2","1") = "8"
    & skf18("3","9","1","2","4","3","1") = "8"
    & skf18("3","9","1","2","4","4","1") = "8"
    & skf18("3","9","1","2","4","5","1") = "8"
    & skf18("3","9","1","2","4","6","1") = "8"
    & skf18("3","9","1","2","4","7","1") = "8"
    & skf18("3","9","1","2","4","8","1") = "8"
    & skf18("3","9","1","2","4","9","1") = "8"
    & skf18("3","9","1","2","4","10","1") = "9"
    & skf18("3","9","1","2","5","1","1") = "8"
    & skf18("3","9","1","2","5","2","1") = "8"
    & skf18("3","9","1","2","5","3","1") = "8"
    & skf18("3","9","1","2","5","4","1") = "8"
    & skf18("3","9","1","2","5","5","1") = "8"
    & skf18("3","9","1","2","5","6","1") = "8"
    & skf18("3","9","1","2","5","7","1") = "8"
    & skf18("3","9","1","2","5","8","1") = "8"
    & skf18("3","9","1","2","5","9","1") = "8"
    & skf18("3","9","1","2","5","10","1") = "9"
    & skf18("3","9","1","2","6","1","1") = "8"
    & skf18("3","9","1","2","6","2","1") = "8"
    & skf18("3","9","1","2","6","3","1") = "8"
    & skf18("3","9","1","2","6","4","1") = "8"
    & skf18("3","9","1","2","6","5","1") = "8"
    & skf18("3","9","1","2","6","6","1") = "8"
    & skf18("3","9","1","2","6","7","1") = "8"
    & skf18("3","9","1","2","6","8","1") = "8"
    & skf18("3","9","1","2","6","9","1") = "8"
    & skf18("3","9","1","2","6","10","1") = "9"
    & skf18("3","9","1","2","7","1","1") = "8"
    & skf18("3","9","1","2","7","2","1") = "8"
    & skf18("3","9","1","2","7","3","1") = "8"
    & skf18("3","9","1","2","7","4","1") = "8"
    & skf18("3","9","1","2","7","5","1") = "8"
    & skf18("3","9","1","2","7","6","1") = "8"
    & skf18("3","9","1","2","7","7","1") = "8"
    & skf18("3","9","1","2","7","8","1") = "8"
    & skf18("3","9","1","2","7","9","1") = "8"
    & skf18("3","9","1","2","7","10","1") = "9"
    & skf18("3","9","1","2","8","1","1") = "8"
    & skf18("3","9","1","2","8","2","1") = "8"
    & skf18("3","9","1","2","8","3","1") = "8"
    & skf18("3","9","1","2","8","4","1") = "8"
    & skf18("3","9","1","2","8","5","1") = "8"
    & skf18("3","9","1","2","8","6","1") = "8"
    & skf18("3","9","1","2","8","7","1") = "8"
    & skf18("3","9","1","2","8","8","1") = "8"
    & skf18("3","9","1","2","8","9","1") = "8"
    & skf18("3","9","1","2","8","10","1") = "9"
    & skf18("3","9","1","2","9","1","1") = "8"
    & skf18("3","9","1","2","9","2","1") = "8"
    & skf18("3","9","1","2","9","3","1") = "8"
    & skf18("3","9","1","2","9","4","1") = "8"
    & skf18("3","9","1","2","9","5","1") = "8"
    & skf18("3","9","1","2","9","6","1") = "8"
    & skf18("3","9","1","2","9","7","1") = "8"
    & skf18("3","9","1","2","9","8","1") = "8"
    & skf18("3","9","1","2","9","9","1") = "8"
    & skf18("3","9","1","2","9","10","1") = "9"
    & skf18("3","9","1","2","10","1","1") = "9"
    & skf18("3","9","1","2","10","2","1") = "9"
    & skf18("3","9","1","2","10","3","1") = "9"
    & skf18("3","9","1","2","10","4","1") = "9"
    & skf18("3","9","1","2","10","5","1") = "9"
    & skf18("3","9","1","2","10","6","1") = "9"
    & skf18("3","9","1","2","10","7","1") = "9"
    & skf18("3","9","1","2","10","8","1") = "9"
    & skf18("3","9","1","2","10","9","1") = "9"
    & skf18("3","9","1","2","10","10","1") = "9"
    & skf18("3","9","1","3","1","1","1") = "8"
    & skf18("3","9","1","3","1","2","1") = "8"
    & skf18("3","9","1","3","1","3","1") = "8"
    & skf18("3","9","1","3","1","4","1") = "8"
    & skf18("3","9","1","3","1","5","1") = "8"
    & skf18("3","9","1","3","1","6","1") = "8"
    & skf18("3","9","1","3","1","7","1") = "8"
    & skf18("3","9","1","3","1","8","1") = "8"
    & skf18("3","9","1","3","1","9","1") = "8"
    & skf18("3","9","1","3","1","10","1") = "9"
    & skf18("3","9","1","3","2","1","1") = "8"
    & skf18("3","9","1","3","2","2","1") = "8"
    & skf18("3","9","1","3","2","3","1") = "8"
    & skf18("3","9","1","3","2","4","1") = "8"
    & skf18("3","9","1","3","2","5","1") = "8"
    & skf18("3","9","1","3","2","6","1") = "8"
    & skf18("3","9","1","3","2","7","1") = "8"
    & skf18("3","9","1","3","2","8","1") = "8"
    & skf18("3","9","1","3","2","9","1") = "8"
    & skf18("3","9","1","3","2","10","1") = "9"
    & skf18("3","9","1","3","3","1","1") = "8"
    & skf18("3","9","1","3","3","2","1") = "8"
    & skf18("3","9","1","3","3","3","1") = "8"
    & skf18("3","9","1","3","3","4","1") = "8"
    & skf18("3","9","1","3","3","5","1") = "8"
    & skf18("3","9","1","3","3","6","1") = "8"
    & skf18("3","9","1","3","3","7","1") = "8"
    & skf18("3","9","1","3","3","8","1") = "8"
    & skf18("3","9","1","3","3","9","1") = "8"
    & skf18("3","9","1","3","3","10","1") = "9"
    & skf18("3","9","1","3","4","1","1") = "8"
    & skf18("3","9","1","3","4","2","1") = "8"
    & skf18("3","9","1","3","4","3","1") = "8"
    & skf18("3","9","1","3","4","4","1") = "8"
    & skf18("3","9","1","3","4","5","1") = "8"
    & skf18("3","9","1","3","4","6","1") = "8"
    & skf18("3","9","1","3","4","7","1") = "8"
    & skf18("3","9","1","3","4","8","1") = "8"
    & skf18("3","9","1","3","4","9","1") = "8"
    & skf18("3","9","1","3","4","10","1") = "9"
    & skf18("3","9","1","3","5","1","1") = "8"
    & skf18("3","9","1","3","5","2","1") = "8"
    & skf18("3","9","1","3","5","3","1") = "8"
    & skf18("3","9","1","3","5","4","1") = "8"
    & skf18("3","9","1","3","5","5","1") = "8"
    & skf18("3","9","1","3","5","6","1") = "8"
    & skf18("3","9","1","3","5","7","1") = "8"
    & skf18("3","9","1","3","5","8","1") = "8"
    & skf18("3","9","1","3","5","9","1") = "8"
    & skf18("3","9","1","3","5","10","1") = "9"
    & skf18("3","9","1","3","6","1","1") = "8"
    & skf18("3","9","1","3","6","2","1") = "8"
    & skf18("3","9","1","3","6","3","1") = "8"
    & skf18("3","9","1","3","6","4","1") = "8"
    & skf18("3","9","1","3","6","5","1") = "8"
    & skf18("3","9","1","3","6","6","1") = "8"
    & skf18("3","9","1","3","6","7","1") = "8"
    & skf18("3","9","1","3","6","8","1") = "8"
    & skf18("3","9","1","3","6","9","1") = "8"
    & skf18("3","9","1","3","6","10","1") = "9"
    & skf18("3","9","1","3","7","1","1") = "8"
    & skf18("3","9","1","3","7","2","1") = "8"
    & skf18("3","9","1","3","7","3","1") = "8"
    & skf18("3","9","1","3","7","4","1") = "8"
    & skf18("3","9","1","3","7","5","1") = "8"
    & skf18("3","9","1","3","7","6","1") = "8"
    & skf18("3","9","1","3","7","7","1") = "8"
    & skf18("3","9","1","3","7","8","1") = "8"
    & skf18("3","9","1","3","7","9","1") = "8"
    & skf18("3","9","1","3","7","10","1") = "9"
    & skf18("3","9","1","3","8","1","1") = "8"
    & skf18("3","9","1","3","8","2","1") = "8"
    & skf18("3","9","1","3","8","3","1") = "8"
    & skf18("3","9","1","3","8","4","1") = "8"
    & skf18("3","9","1","3","8","5","1") = "8"
    & skf18("3","9","1","3","8","6","1") = "8"
    & skf18("3","9","1","3","8","7","1") = "8"
    & skf18("3","9","1","3","8","8","1") = "8"
    & skf18("3","9","1","3","8","9","1") = "8"
    & skf18("3","9","1","3","8","10","1") = "9"
    & skf18("3","9","1","3","9","1","1") = "8"
    & skf18("3","9","1","3","9","2","1") = "8"
    & skf18("3","9","1","3","9","3","1") = "8"
    & skf18("3","9","1","3","9","4","1") = "8"
    & skf18("3","9","1","3","9","5","1") = "8"
    & skf18("3","9","1","3","9","6","1") = "8"
    & skf18("3","9","1","3","9","7","1") = "8"
    & skf18("3","9","1","3","9","8","1") = "8"
    & skf18("3","9","1","3","9","9","1") = "8"
    & skf18("3","9","1","3","9","10","1") = "9"
    & skf18("3","9","1","3","10","1","1") = "9"
    & skf18("3","9","1","3","10","2","1") = "9"
    & skf18("3","9","1","3","10","3","1") = "9"
    & skf18("3","9","1","3","10","4","1") = "9"
    & skf18("3","9","1","3","10","5","1") = "9"
    & skf18("3","9","1","3","10","6","1") = "9"
    & skf18("3","9","1","3","10","7","1") = "9"
    & skf18("3","9","1","3","10","8","1") = "9"
    & skf18("3","9","1","3","10","9","1") = "9"
    & skf18("3","9","1","3","10","10","1") = "9"
    & skf18("3","9","1","4","1","1","1") = "8"
    & skf18("3","9","1","4","1","2","1") = "8"
    & skf18("3","9","1","4","1","3","1") = "8"
    & skf18("3","9","1","4","1","4","1") = "8"
    & skf18("3","9","1","4","1","5","1") = "8"
    & skf18("3","9","1","4","1","6","1") = "8"
    & skf18("3","9","1","4","1","7","1") = "8"
    & skf18("3","9","1","4","1","8","1") = "8"
    & skf18("3","9","1","4","1","9","1") = "8"
    & skf18("3","9","1","4","1","10","1") = "9"
    & skf18("3","9","1","4","2","1","1") = "8"
    & skf18("3","9","1","4","2","2","1") = "8"
    & skf18("3","9","1","4","2","3","1") = "8"
    & skf18("3","9","1","4","2","4","1") = "8"
    & skf18("3","9","1","4","2","5","1") = "8"
    & skf18("3","9","1","4","2","6","1") = "8"
    & skf18("3","9","1","4","2","7","1") = "8"
    & skf18("3","9","1","4","2","8","1") = "8"
    & skf18("3","9","1","4","2","9","1") = "8"
    & skf18("3","9","1","4","2","10","1") = "9"
    & skf18("3","9","1","4","3","1","1") = "8"
    & skf18("3","9","1","4","3","2","1") = "8"
    & skf18("3","9","1","4","3","3","1") = "8"
    & skf18("3","9","1","4","3","4","1") = "8"
    & skf18("3","9","1","4","3","5","1") = "8"
    & skf18("3","9","1","4","3","6","1") = "8"
    & skf18("3","9","1","4","3","7","1") = "8"
    & skf18("3","9","1","4","3","8","1") = "8"
    & skf18("3","9","1","4","3","9","1") = "8"
    & skf18("3","9","1","4","3","10","1") = "9"
    & skf18("3","9","1","4","4","1","1") = "8"
    & skf18("3","9","1","4","4","2","1") = "8"
    & skf18("3","9","1","4","4","3","1") = "8"
    & skf18("3","9","1","4","4","4","1") = "8"
    & skf18("3","9","1","4","4","5","1") = "8"
    & skf18("3","9","1","4","4","6","1") = "8"
    & skf18("3","9","1","4","4","7","1") = "8"
    & skf18("3","9","1","4","4","8","1") = "8"
    & skf18("3","9","1","4","4","9","1") = "8"
    & skf18("3","9","1","4","4","10","1") = "9"
    & skf18("3","9","1","4","5","1","1") = "8"
    & skf18("3","9","1","4","5","2","1") = "8"
    & skf18("3","9","1","4","5","3","1") = "8"
    & skf18("3","9","1","4","5","4","1") = "8"
    & skf18("3","9","1","4","5","5","1") = "8"
    & skf18("3","9","1","4","5","6","1") = "8"
    & skf18("3","9","1","4","5","7","1") = "8"
    & skf18("3","9","1","4","5","8","1") = "8"
    & skf18("3","9","1","4","5","9","1") = "8"
    & skf18("3","9","1","4","5","10","1") = "9"
    & skf18("3","9","1","4","6","1","1") = "8"
    & skf18("3","9","1","4","6","2","1") = "8"
    & skf18("3","9","1","4","6","3","1") = "8"
    & skf18("3","9","1","4","6","4","1") = "8"
    & skf18("3","9","1","4","6","5","1") = "8"
    & skf18("3","9","1","4","6","6","1") = "8"
    & skf18("3","9","1","4","6","7","1") = "8"
    & skf18("3","9","1","4","6","8","1") = "8"
    & skf18("3","9","1","4","6","9","1") = "8"
    & skf18("3","9","1","4","6","10","1") = "9"
    & skf18("3","9","1","4","7","1","1") = "8"
    & skf18("3","9","1","4","7","2","1") = "8"
    & skf18("3","9","1","4","7","3","1") = "8"
    & skf18("3","9","1","4","7","4","1") = "8"
    & skf18("3","9","1","4","7","5","1") = "8"
    & skf18("3","9","1","4","7","6","1") = "8"
    & skf18("3","9","1","4","7","7","1") = "8"
    & skf18("3","9","1","4","7","8","1") = "8"
    & skf18("3","9","1","4","7","9","1") = "8"
    & skf18("3","9","1","4","7","10","1") = "9"
    & skf18("3","9","1","4","8","1","1") = "8"
    & skf18("3","9","1","4","8","2","1") = "8"
    & skf18("3","9","1","4","8","3","1") = "8"
    & skf18("3","9","1","4","8","4","1") = "8"
    & skf18("3","9","1","4","8","5","1") = "8"
    & skf18("3","9","1","4","8","6","1") = "8"
    & skf18("3","9","1","4","8","7","1") = "8"
    & skf18("3","9","1","4","8","8","1") = "8"
    & skf18("3","9","1","4","8","9","1") = "8"
    & skf18("3","9","1","4","8","10","1") = "9"
    & skf18("3","9","1","4","9","1","1") = "8"
    & skf18("3","9","1","4","9","2","1") = "8"
    & skf18("3","9","1","4","9","3","1") = "8"
    & skf18("3","9","1","4","9","4","1") = "8"
    & skf18("3","9","1","4","9","5","1") = "8"
    & skf18("3","9","1","4","9","6","1") = "8"
    & skf18("3","9","1","4","9","7","1") = "8"
    & skf18("3","9","1","4","9","8","1") = "8"
    & skf18("3","9","1","4","9","9","1") = "8"
    & skf18("3","9","1","4","9","10","1") = "9"
    & skf18("3","9","1","4","10","1","1") = "9"
    & skf18("3","9","1","4","10","2","1") = "9"
    & skf18("3","9","1","4","10","3","1") = "9"
    & skf18("3","9","1","4","10","4","1") = "9"
    & skf18("3","9","1","4","10","5","1") = "9"
    & skf18("3","9","1","4","10","6","1") = "9"
    & skf18("3","9","1","4","10","7","1") = "9"
    & skf18("3","9","1","4","10","8","1") = "9"
    & skf18("3","9","1","4","10","9","1") = "9"
    & skf18("3","9","1","4","10","10","1") = "9"
    & skf18("3","9","1","5","1","1","1") = "8"
    & skf18("3","9","1","5","1","2","1") = "8"
    & skf18("3","9","1","5","1","3","1") = "8"
    & skf18("3","9","1","5","1","4","1") = "8"
    & skf18("3","9","1","5","1","5","1") = "8"
    & skf18("3","9","1","5","1","6","1") = "8"
    & skf18("3","9","1","5","1","7","1") = "8"
    & skf18("3","9","1","5","1","8","1") = "8"
    & skf18("3","9","1","5","1","9","1") = "8"
    & skf18("3","9","1","5","1","10","1") = "9"
    & skf18("3","9","1","5","2","1","1") = "8"
    & skf18("3","9","1","5","2","2","1") = "8"
    & skf18("3","9","1","5","2","3","1") = "8"
    & skf18("3","9","1","5","2","4","1") = "8"
    & skf18("3","9","1","5","2","5","1") = "8"
    & skf18("3","9","1","5","2","6","1") = "8"
    & skf18("3","9","1","5","2","7","1") = "8"
    & skf18("3","9","1","5","2","8","1") = "8"
    & skf18("3","9","1","5","2","9","1") = "8"
    & skf18("3","9","1","5","2","10","1") = "9"
    & skf18("3","9","1","5","3","1","1") = "8"
    & skf18("3","9","1","5","3","2","1") = "8"
    & skf18("3","9","1","5","3","3","1") = "8"
    & skf18("3","9","1","5","3","4","1") = "8"
    & skf18("3","9","1","5","3","5","1") = "8"
    & skf18("3","9","1","5","3","6","1") = "8"
    & skf18("3","9","1","5","3","7","1") = "8"
    & skf18("3","9","1","5","3","8","1") = "8"
    & skf18("3","9","1","5","3","9","1") = "8"
    & skf18("3","9","1","5","3","10","1") = "9"
    & skf18("3","9","1","5","4","1","1") = "8"
    & skf18("3","9","1","5","4","2","1") = "8"
    & skf18("3","9","1","5","4","3","1") = "8"
    & skf18("3","9","1","5","4","4","1") = "8"
    & skf18("3","9","1","5","4","5","1") = "8"
    & skf18("3","9","1","5","4","6","1") = "8"
    & skf18("3","9","1","5","4","7","1") = "8"
    & skf18("3","9","1","5","4","8","1") = "8"
    & skf18("3","9","1","5","4","9","1") = "8"
    & skf18("3","9","1","5","4","10","1") = "9"
    & skf18("3","9","1","5","5","1","1") = "8"
    & skf18("3","9","1","5","5","2","1") = "8"
    & skf18("3","9","1","5","5","3","1") = "8"
    & skf18("3","9","1","5","5","4","1") = "8"
    & skf18("3","9","1","5","5","5","1") = "8"
    & skf18("3","9","1","5","5","6","1") = "8"
    & skf18("3","9","1","5","5","7","1") = "8"
    & skf18("3","9","1","5","5","8","1") = "8"
    & skf18("3","9","1","5","5","9","1") = "8"
    & skf18("3","9","1","5","5","10","1") = "9"
    & skf18("3","9","1","5","6","1","1") = "8"
    & skf18("3","9","1","5","6","2","1") = "8"
    & skf18("3","9","1","5","6","3","1") = "8"
    & skf18("3","9","1","5","6","4","1") = "8"
    & skf18("3","9","1","5","6","5","1") = "8"
    & skf18("3","9","1","5","6","6","1") = "8"
    & skf18("3","9","1","5","6","7","1") = "8"
    & skf18("3","9","1","5","6","8","1") = "8"
    & skf18("3","9","1","5","6","9","1") = "8"
    & skf18("3","9","1","5","6","10","1") = "9"
    & skf18("3","9","1","5","7","1","1") = "8"
    & skf18("3","9","1","5","7","2","1") = "8"
    & skf18("3","9","1","5","7","3","1") = "8"
    & skf18("3","9","1","5","7","4","1") = "8"
    & skf18("3","9","1","5","7","5","1") = "8"
    & skf18("3","9","1","5","7","6","1") = "8"
    & skf18("3","9","1","5","7","7","1") = "8"
    & skf18("3","9","1","5","7","8","1") = "8"
    & skf18("3","9","1","5","7","9","1") = "8"
    & skf18("3","9","1","5","7","10","1") = "9"
    & skf18("3","9","1","5","8","1","1") = "8"
    & skf18("3","9","1","5","8","2","1") = "8"
    & skf18("3","9","1","5","8","3","1") = "8"
    & skf18("3","9","1","5","8","4","1") = "8"
    & skf18("3","9","1","5","8","5","1") = "8"
    & skf18("3","9","1","5","8","6","1") = "8"
    & skf18("3","9","1","5","8","7","1") = "8"
    & skf18("3","9","1","5","8","8","1") = "8"
    & skf18("3","9","1","5","8","9","1") = "8"
    & skf18("3","9","1","5","8","10","1") = "9"
    & skf18("3","9","1","5","9","1","1") = "8"
    & skf18("3","9","1","5","9","2","1") = "8"
    & skf18("3","9","1","5","9","3","1") = "8"
    & skf18("3","9","1","5","9","4","1") = "8"
    & skf18("3","9","1","5","9","5","1") = "8"
    & skf18("3","9","1","5","9","6","1") = "8"
    & skf18("3","9","1","5","9","7","1") = "8"
    & skf18("3","9","1","5","9","8","1") = "8"
    & skf18("3","9","1","5","9","9","1") = "8"
    & skf18("3","9","1","5","9","10","1") = "9"
    & skf18("3","9","1","5","10","1","1") = "9"
    & skf18("3","9","1","5","10","2","1") = "9"
    & skf18("3","9","1","5","10","3","1") = "9"
    & skf18("3","9","1","5","10","4","1") = "9"
    & skf18("3","9","1","5","10","5","1") = "9"
    & skf18("3","9","1","5","10","6","1") = "9"
    & skf18("3","9","1","5","10","7","1") = "9"
    & skf18("3","9","1","5","10","8","1") = "9"
    & skf18("3","9","1","5","10","9","1") = "9"
    & skf18("3","9","1","5","10","10","1") = "9"
    & skf18("3","9","1","6","1","1","1") = "8"
    & skf18("3","9","1","6","1","2","1") = "8"
    & skf18("3","9","1","6","1","3","1") = "8"
    & skf18("3","9","1","6","1","4","1") = "8"
    & skf18("3","9","1","6","1","5","1") = "8"
    & skf18("3","9","1","6","1","6","1") = "8"
    & skf18("3","9","1","6","1","7","1") = "8"
    & skf18("3","9","1","6","1","8","1") = "8"
    & skf18("3","9","1","6","1","9","1") = "8"
    & skf18("3","9","1","6","1","10","1") = "9"
    & skf18("3","9","1","6","2","1","1") = "8"
    & skf18("3","9","1","6","2","2","1") = "8"
    & skf18("3","9","1","6","2","3","1") = "8"
    & skf18("3","9","1","6","2","4","1") = "8"
    & skf18("3","9","1","6","2","5","1") = "8"
    & skf18("3","9","1","6","2","6","1") = "8"
    & skf18("3","9","1","6","2","7","1") = "8"
    & skf18("3","9","1","6","2","8","1") = "8"
    & skf18("3","9","1","6","2","9","1") = "8"
    & skf18("3","9","1","6","2","10","1") = "9"
    & skf18("3","9","1","6","3","1","1") = "8"
    & skf18("3","9","1","6","3","2","1") = "8"
    & skf18("3","9","1","6","3","3","1") = "8"
    & skf18("3","9","1","6","3","4","1") = "8"
    & skf18("3","9","1","6","3","5","1") = "8"
    & skf18("3","9","1","6","3","6","1") = "8"
    & skf18("3","9","1","6","3","7","1") = "8"
    & skf18("3","9","1","6","3","8","1") = "8"
    & skf18("3","9","1","6","3","9","1") = "8"
    & skf18("3","9","1","6","3","10","1") = "9"
    & skf18("3","9","1","6","4","1","1") = "8"
    & skf18("3","9","1","6","4","2","1") = "8"
    & skf18("3","9","1","6","4","3","1") = "8"
    & skf18("3","9","1","6","4","4","1") = "8"
    & skf18("3","9","1","6","4","5","1") = "8"
    & skf18("3","9","1","6","4","6","1") = "8"
    & skf18("3","9","1","6","4","7","1") = "8"
    & skf18("3","9","1","6","4","8","1") = "8"
    & skf18("3","9","1","6","4","9","1") = "8"
    & skf18("3","9","1","6","4","10","1") = "9"
    & skf18("3","9","1","6","5","1","1") = "8"
    & skf18("3","9","1","6","5","2","1") = "8"
    & skf18("3","9","1","6","5","3","1") = "8"
    & skf18("3","9","1","6","5","4","1") = "8"
    & skf18("3","9","1","6","5","5","1") = "8"
    & skf18("3","9","1","6","5","6","1") = "8"
    & skf18("3","9","1","6","5","7","1") = "8"
    & skf18("3","9","1","6","5","8","1") = "8"
    & skf18("3","9","1","6","5","9","1") = "8"
    & skf18("3","9","1","6","5","10","1") = "9"
    & skf18("3","9","1","6","6","1","1") = "8"
    & skf18("3","9","1","6","6","2","1") = "8"
    & skf18("3","9","1","6","6","3","1") = "8"
    & skf18("3","9","1","6","6","4","1") = "8"
    & skf18("3","9","1","6","6","5","1") = "8"
    & skf18("3","9","1","6","6","6","1") = "8"
    & skf18("3","9","1","6","6","7","1") = "8"
    & skf18("3","9","1","6","6","8","1") = "8"
    & skf18("3","9","1","6","6","9","1") = "8"
    & skf18("3","9","1","6","6","10","1") = "9"
    & skf18("3","9","1","6","7","1","1") = "8"
    & skf18("3","9","1","6","7","2","1") = "8"
    & skf18("3","9","1","6","7","3","1") = "8"
    & skf18("3","9","1","6","7","4","1") = "8"
    & skf18("3","9","1","6","7","5","1") = "8"
    & skf18("3","9","1","6","7","6","1") = "8"
    & skf18("3","9","1","6","7","7","1") = "8"
    & skf18("3","9","1","6","7","8","1") = "8"
    & skf18("3","9","1","6","7","9","1") = "8"
    & skf18("3","9","1","6","7","10","1") = "9"
    & skf18("3","9","1","6","8","1","1") = "8"
    & skf18("3","9","1","6","8","2","1") = "8"
    & skf18("3","9","1","6","8","3","1") = "8"
    & skf18("3","9","1","6","8","4","1") = "8"
    & skf18("3","9","1","6","8","5","1") = "8"
    & skf18("3","9","1","6","8","6","1") = "8"
    & skf18("3","9","1","6","8","7","1") = "8"
    & skf18("3","9","1","6","8","8","1") = "8"
    & skf18("3","9","1","6","8","9","1") = "8"
    & skf18("3","9","1","6","8","10","1") = "9"
    & skf18("3","9","1","6","9","1","1") = "8"
    & skf18("3","9","1","6","9","2","1") = "8"
    & skf18("3","9","1","6","9","3","1") = "8"
    & skf18("3","9","1","6","9","4","1") = "8"
    & skf18("3","9","1","6","9","5","1") = "8"
    & skf18("3","9","1","6","9","6","1") = "8"
    & skf18("3","9","1","6","9","7","1") = "8"
    & skf18("3","9","1","6","9","8","1") = "8"
    & skf18("3","9","1","6","9","9","1") = "8"
    & skf18("3","9","1","6","9","10","1") = "9"
    & skf18("3","9","1","6","10","1","1") = "9"
    & skf18("3","9","1","6","10","2","1") = "9"
    & skf18("3","9","1","6","10","3","1") = "9"
    & skf18("3","9","1","6","10","4","1") = "9"
    & skf18("3","9","1","6","10","5","1") = "9"
    & skf18("3","9","1","6","10","6","1") = "9"
    & skf18("3","9","1","6","10","7","1") = "9"
    & skf18("3","9","1","6","10","8","1") = "9"
    & skf18("3","9","1","6","10","9","1") = "9"
    & skf18("3","9","1","6","10","10","1") = "9"
    & skf18("3","9","1","7","1","1","1") = "8"
    & skf18("3","9","1","7","1","2","1") = "8"
    & skf18("3","9","1","7","1","3","1") = "8"
    & skf18("3","9","1","7","1","4","1") = "8"
    & skf18("3","9","1","7","1","5","1") = "8"
    & skf18("3","9","1","7","1","6","1") = "8"
    & skf18("3","9","1","7","1","7","1") = "8"
    & skf18("3","9","1","7","1","8","1") = "8"
    & skf18("3","9","1","7","1","9","1") = "8"
    & skf18("3","9","1","7","1","10","1") = "9"
    & skf18("3","9","1","7","2","1","1") = "8"
    & skf18("3","9","1","7","2","2","1") = "8"
    & skf18("3","9","1","7","2","3","1") = "8"
    & skf18("3","9","1","7","2","4","1") = "8"
    & skf18("3","9","1","7","2","5","1") = "8"
    & skf18("3","9","1","7","2","6","1") = "8"
    & skf18("3","9","1","7","2","7","1") = "8"
    & skf18("3","9","1","7","2","8","1") = "8"
    & skf18("3","9","1","7","2","9","1") = "8"
    & skf18("3","9","1","7","2","10","1") = "9"
    & skf18("3","9","1","7","3","1","1") = "8"
    & skf18("3","9","1","7","3","2","1") = "8"
    & skf18("3","9","1","7","3","3","1") = "8"
    & skf18("3","9","1","7","3","4","1") = "8"
    & skf18("3","9","1","7","3","5","1") = "8"
    & skf18("3","9","1","7","3","6","1") = "8"
    & skf18("3","9","1","7","3","7","1") = "8"
    & skf18("3","9","1","7","3","8","1") = "8"
    & skf18("3","9","1","7","3","9","1") = "8"
    & skf18("3","9","1","7","3","10","1") = "9"
    & skf18("3","9","1","7","4","1","1") = "8"
    & skf18("3","9","1","7","4","2","1") = "8"
    & skf18("3","9","1","7","4","3","1") = "8"
    & skf18("3","9","1","7","4","4","1") = "8"
    & skf18("3","9","1","7","4","5","1") = "8"
    & skf18("3","9","1","7","4","6","1") = "8"
    & skf18("3","9","1","7","4","7","1") = "8"
    & skf18("3","9","1","7","4","8","1") = "8"
    & skf18("3","9","1","7","4","9","1") = "8"
    & skf18("3","9","1","7","4","10","1") = "9"
    & skf18("3","9","1","7","5","1","1") = "8"
    & skf18("3","9","1","7","5","2","1") = "8"
    & skf18("3","9","1","7","5","3","1") = "8"
    & skf18("3","9","1","7","5","4","1") = "8"
    & skf18("3","9","1","7","5","5","1") = "8"
    & skf18("3","9","1","7","5","6","1") = "8"
    & skf18("3","9","1","7","5","7","1") = "8"
    & skf18("3","9","1","7","5","8","1") = "8"
    & skf18("3","9","1","7","5","9","1") = "8"
    & skf18("3","9","1","7","5","10","1") = "9"
    & skf18("3","9","1","7","6","1","1") = "8"
    & skf18("3","9","1","7","6","2","1") = "8"
    & skf18("3","9","1","7","6","3","1") = "8"
    & skf18("3","9","1","7","6","4","1") = "8"
    & skf18("3","9","1","7","6","5","1") = "8"
    & skf18("3","9","1","7","6","6","1") = "8"
    & skf18("3","9","1","7","6","7","1") = "8"
    & skf18("3","9","1","7","6","8","1") = "8"
    & skf18("3","9","1","7","6","9","1") = "8"
    & skf18("3","9","1","7","6","10","1") = "9"
    & skf18("3","9","1","7","7","1","1") = "8"
    & skf18("3","9","1","7","7","2","1") = "8"
    & skf18("3","9","1","7","7","3","1") = "8"
    & skf18("3","9","1","7","7","4","1") = "8"
    & skf18("3","9","1","7","7","5","1") = "8"
    & skf18("3","9","1","7","7","6","1") = "8"
    & skf18("3","9","1","7","7","7","1") = "8"
    & skf18("3","9","1","7","7","8","1") = "8"
    & skf18("3","9","1","7","7","9","1") = "8"
    & skf18("3","9","1","7","7","10","1") = "9"
    & skf18("3","9","1","7","8","1","1") = "8"
    & skf18("3","9","1","7","8","2","1") = "8"
    & skf18("3","9","1","7","8","3","1") = "8"
    & skf18("3","9","1","7","8","4","1") = "8"
    & skf18("3","9","1","7","8","5","1") = "8"
    & skf18("3","9","1","7","8","6","1") = "8"
    & skf18("3","9","1","7","8","7","1") = "8"
    & skf18("3","9","1","7","8","8","1") = "8"
    & skf18("3","9","1","7","8","9","1") = "8"
    & skf18("3","9","1","7","8","10","1") = "9"
    & skf18("3","9","1","7","9","1","1") = "8"
    & skf18("3","9","1","7","9","2","1") = "8"
    & skf18("3","9","1","7","9","3","1") = "8"
    & skf18("3","9","1","7","9","4","1") = "8"
    & skf18("3","9","1","7","9","5","1") = "8"
    & skf18("3","9","1","7","9","6","1") = "8"
    & skf18("3","9","1","7","9","7","1") = "8"
    & skf18("3","9","1","7","9","8","1") = "8"
    & skf18("3","9","1","7","9","9","1") = "8"
    & skf18("3","9","1","7","9","10","1") = "9"
    & skf18("3","9","1","7","10","1","1") = "9"
    & skf18("3","9","1","7","10","2","1") = "9"
    & skf18("3","9","1","7","10","3","1") = "9"
    & skf18("3","9","1","7","10","4","1") = "9"
    & skf18("3","9","1","7","10","5","1") = "9"
    & skf18("3","9","1","7","10","6","1") = "9"
    & skf18("3","9","1","7","10","7","1") = "9"
    & skf18("3","9","1","7","10","8","1") = "9"
    & skf18("3","9","1","7","10","9","1") = "9"
    & skf18("3","9","1","7","10","10","1") = "9"
    & skf18("3","9","1","8","1","1","1") = "8"
    & skf18("3","9","1","8","1","2","1") = "8"
    & skf18("3","9","1","8","1","3","1") = "8"
    & skf18("3","9","1","8","1","4","1") = "8"
    & skf18("3","9","1","8","1","5","1") = "8"
    & skf18("3","9","1","8","1","6","1") = "8"
    & skf18("3","9","1","8","1","7","1") = "8"
    & skf18("3","9","1","8","1","8","1") = "8"
    & skf18("3","9","1","8","1","9","1") = "8"
    & skf18("3","9","1","8","1","10","1") = "9"
    & skf18("3","9","1","8","2","1","1") = "8"
    & skf18("3","9","1","8","2","2","1") = "8"
    & skf18("3","9","1","8","2","3","1") = "8"
    & skf18("3","9","1","8","2","4","1") = "8"
    & skf18("3","9","1","8","2","5","1") = "8"
    & skf18("3","9","1","8","2","6","1") = "8"
    & skf18("3","9","1","8","2","7","1") = "8"
    & skf18("3","9","1","8","2","8","1") = "8"
    & skf18("3","9","1","8","2","9","1") = "8"
    & skf18("3","9","1","8","2","10","1") = "9"
    & skf18("3","9","1","8","3","1","1") = "8"
    & skf18("3","9","1","8","3","2","1") = "8"
    & skf18("3","9","1","8","3","3","1") = "8"
    & skf18("3","9","1","8","3","4","1") = "8"
    & skf18("3","9","1","8","3","5","1") = "8"
    & skf18("3","9","1","8","3","6","1") = "8"
    & skf18("3","9","1","8","3","7","1") = "8"
    & skf18("3","9","1","8","3","8","1") = "8"
    & skf18("3","9","1","8","3","9","1") = "8"
    & skf18("3","9","1","8","3","10","1") = "9"
    & skf18("3","9","1","8","4","1","1") = "8"
    & skf18("3","9","1","8","4","2","1") = "8"
    & skf18("3","9","1","8","4","3","1") = "8"
    & skf18("3","9","1","8","4","4","1") = "8"
    & skf18("3","9","1","8","4","5","1") = "8"
    & skf18("3","9","1","8","4","6","1") = "8"
    & skf18("3","9","1","8","4","7","1") = "8"
    & skf18("3","9","1","8","4","8","1") = "8"
    & skf18("3","9","1","8","4","9","1") = "8"
    & skf18("3","9","1","8","4","10","1") = "9"
    & skf18("3","9","1","8","5","1","1") = "8"
    & skf18("3","9","1","8","5","2","1") = "8"
    & skf18("3","9","1","8","5","3","1") = "8"
    & skf18("3","9","1","8","5","4","1") = "8"
    & skf18("3","9","1","8","5","5","1") = "8"
    & skf18("3","9","1","8","5","6","1") = "8"
    & skf18("3","9","1","8","5","7","1") = "8"
    & skf18("3","9","1","8","5","8","1") = "8"
    & skf18("3","9","1","8","5","9","1") = "8"
    & skf18("3","9","1","8","5","10","1") = "9"
    & skf18("3","9","1","8","6","1","1") = "8"
    & skf18("3","9","1","8","6","2","1") = "8"
    & skf18("3","9","1","8","6","3","1") = "8"
    & skf18("3","9","1","8","6","4","1") = "8"
    & skf18("3","9","1","8","6","5","1") = "8"
    & skf18("3","9","1","8","6","6","1") = "8"
    & skf18("3","9","1","8","6","7","1") = "8"
    & skf18("3","9","1","8","6","8","1") = "8"
    & skf18("3","9","1","8","6","9","1") = "8"
    & skf18("3","9","1","8","6","10","1") = "9"
    & skf18("3","9","1","8","7","1","1") = "8"
    & skf18("3","9","1","8","7","2","1") = "8"
    & skf18("3","9","1","8","7","3","1") = "8"
    & skf18("3","9","1","8","7","4","1") = "8"
    & skf18("3","9","1","8","7","5","1") = "8"
    & skf18("3","9","1","8","7","6","1") = "8"
    & skf18("3","9","1","8","7","7","1") = "8"
    & skf18("3","9","1","8","7","8","1") = "8"
    & skf18("3","9","1","8","7","9","1") = "8"
    & skf18("3","9","1","8","7","10","1") = "9"
    & skf18("3","9","1","8","8","1","1") = "8"
    & skf18("3","9","1","8","8","2","1") = "8"
    & skf18("3","9","1","8","8","3","1") = "8"
    & skf18("3","9","1","8","8","4","1") = "8"
    & skf18("3","9","1","8","8","5","1") = "8"
    & skf18("3","9","1","8","8","6","1") = "8"
    & skf18("3","9","1","8","8","7","1") = "8"
    & skf18("3","9","1","8","8","8","1") = "8"
    & skf18("3","9","1","8","8","9","1") = "8"
    & skf18("3","9","1","8","8","10","1") = "9"
    & skf18("3","9","1","8","9","1","1") = "8"
    & skf18("3","9","1","8","9","2","1") = "8"
    & skf18("3","9","1","8","9","3","1") = "8"
    & skf18("3","9","1","8","9","4","1") = "8"
    & skf18("3","9","1","8","9","5","1") = "8"
    & skf18("3","9","1","8","9","6","1") = "8"
    & skf18("3","9","1","8","9","7","1") = "8"
    & skf18("3","9","1","8","9","8","1") = "8"
    & skf18("3","9","1","8","9","9","1") = "8"
    & skf18("3","9","1","8","9","10","1") = "9"
    & skf18("3","9","1","8","10","1","1") = "9"
    & skf18("3","9","1","8","10","2","1") = "9"
    & skf18("3","9","1","8","10","3","1") = "9"
    & skf18("3","9","1","8","10","4","1") = "9"
    & skf18("3","9","1","8","10","5","1") = "9"
    & skf18("3","9","1","8","10","6","1") = "9"
    & skf18("3","9","1","8","10","7","1") = "9"
    & skf18("3","9","1","8","10","8","1") = "9"
    & skf18("3","9","1","8","10","9","1") = "9"
    & skf18("3","9","1","8","10","10","1") = "9"
    & skf18("3","9","1","9","1","1","1") = "8"
    & skf18("3","9","1","9","1","2","1") = "8"
    & skf18("3","9","1","9","1","3","1") = "8"
    & skf18("3","9","1","9","1","4","1") = "8"
    & skf18("3","9","1","9","1","5","1") = "8"
    & skf18("3","9","1","9","1","6","1") = "8"
    & skf18("3","9","1","9","1","7","1") = "8"
    & skf18("3","9","1","9","1","8","1") = "8"
    & skf18("3","9","1","9","1","9","1") = "8"
    & skf18("3","9","1","9","1","10","1") = "9"
    & skf18("3","9","1","9","2","1","1") = "8"
    & skf18("3","9","1","9","2","2","1") = "8"
    & skf18("3","9","1","9","2","3","1") = "8"
    & skf18("3","9","1","9","2","4","1") = "8"
    & skf18("3","9","1","9","2","5","1") = "8"
    & skf18("3","9","1","9","2","6","1") = "8"
    & skf18("3","9","1","9","2","7","1") = "8"
    & skf18("3","9","1","9","2","8","1") = "8"
    & skf18("3","9","1","9","2","9","1") = "8"
    & skf18("3","9","1","9","2","10","1") = "9"
    & skf18("3","9","1","9","3","1","1") = "8"
    & skf18("3","9","1","9","3","2","1") = "8"
    & skf18("3","9","1","9","3","3","1") = "8"
    & skf18("3","9","1","9","3","4","1") = "8"
    & skf18("3","9","1","9","3","5","1") = "8"
    & skf18("3","9","1","9","3","6","1") = "8"
    & skf18("3","9","1","9","3","7","1") = "8"
    & skf18("3","9","1","9","3","8","1") = "8"
    & skf18("3","9","1","9","3","9","1") = "8"
    & skf18("3","9","1","9","3","10","1") = "9"
    & skf18("3","9","1","9","4","1","1") = "8"
    & skf18("3","9","1","9","4","2","1") = "8"
    & skf18("3","9","1","9","4","3","1") = "8"
    & skf18("3","9","1","9","4","4","1") = "8"
    & skf18("3","9","1","9","4","5","1") = "8"
    & skf18("3","9","1","9","4","6","1") = "8"
    & skf18("3","9","1","9","4","7","1") = "8"
    & skf18("3","9","1","9","4","8","1") = "8"
    & skf18("3","9","1","9","4","9","1") = "8"
    & skf18("3","9","1","9","4","10","1") = "9"
    & skf18("3","9","1","9","5","1","1") = "8"
    & skf18("3","9","1","9","5","2","1") = "8"
    & skf18("3","9","1","9","5","3","1") = "8"
    & skf18("3","9","1","9","5","4","1") = "8"
    & skf18("3","9","1","9","5","5","1") = "8"
    & skf18("3","9","1","9","5","6","1") = "8"
    & skf18("3","9","1","9","5","7","1") = "8"
    & skf18("3","9","1","9","5","8","1") = "8"
    & skf18("3","9","1","9","5","9","1") = "8"
    & skf18("3","9","1","9","5","10","1") = "9"
    & skf18("3","9","1","9","6","1","1") = "8"
    & skf18("3","9","1","9","6","2","1") = "8"
    & skf18("3","9","1","9","6","3","1") = "8"
    & skf18("3","9","1","9","6","4","1") = "8"
    & skf18("3","9","1","9","6","5","1") = "8"
    & skf18("3","9","1","9","6","6","1") = "8"
    & skf18("3","9","1","9","6","7","1") = "8"
    & skf18("3","9","1","9","6","8","1") = "8"
    & skf18("3","9","1","9","6","9","1") = "8"
    & skf18("3","9","1","9","6","10","1") = "9"
    & skf18("3","9","1","9","7","1","1") = "8"
    & skf18("3","9","1","9","7","2","1") = "8"
    & skf18("3","9","1","9","7","3","1") = "8"
    & skf18("3","9","1","9","7","4","1") = "8"
    & skf18("3","9","1","9","7","5","1") = "8"
    & skf18("3","9","1","9","7","6","1") = "8"
    & skf18("3","9","1","9","7","7","1") = "8"
    & skf18("3","9","1","9","7","8","1") = "8"
    & skf18("3","9","1","9","7","9","1") = "8"
    & skf18("3","9","1","9","7","10","1") = "9"
    & skf18("3","9","1","9","8","1","1") = "8"
    & skf18("3","9","1","9","8","2","1") = "8"
    & skf18("3","9","1","9","8","3","1") = "8"
    & skf18("3","9","1","9","8","4","1") = "8"
    & skf18("3","9","1","9","8","5","1") = "8"
    & skf18("3","9","1","9","8","6","1") = "8"
    & skf18("3","9","1","9","8","7","1") = "8"
    & skf18("3","9","1","9","8","8","1") = "8"
    & skf18("3","9","1","9","8","9","1") = "8"
    & skf18("3","9","1","9","8","10","1") = "9"
    & skf18("3","9","1","9","9","1","1") = "8"
    & skf18("3","9","1","9","9","2","1") = "8"
    & skf18("3","9","1","9","9","3","1") = "8"
    & skf18("3","9","1","9","9","4","1") = "8"
    & skf18("3","9","1","9","9","5","1") = "8"
    & skf18("3","9","1","9","9","6","1") = "8"
    & skf18("3","9","1","9","9","7","1") = "8"
    & skf18("3","9","1","9","9","8","1") = "8"
    & skf18("3","9","1","9","9","9","1") = "8"
    & skf18("3","9","1","9","9","10","1") = "9"
    & skf18("3","9","1","9","10","1","1") = "9"
    & skf18("3","9","1","9","10","2","1") = "9"
    & skf18("3","9","1","9","10","3","1") = "9"
    & skf18("3","9","1","9","10","4","1") = "9"
    & skf18("3","9","1","9","10","5","1") = "9"
    & skf18("3","9","1","9","10","6","1") = "9"
    & skf18("3","9","1","9","10","7","1") = "9"
    & skf18("3","9","1","9","10","8","1") = "9"
    & skf18("3","9","1","9","10","9","1") = "9"
    & skf18("3","9","1","9","10","10","1") = "9"
    & skf18("3","9","1","10","1","1","1") = "9"
    & skf18("3","9","1","10","1","2","1") = "9"
    & skf18("3","9","1","10","1","3","1") = "9"
    & skf18("3","9","1","10","1","4","1") = "9"
    & skf18("3","9","1","10","1","5","1") = "9"
    & skf18("3","9","1","10","1","6","1") = "9"
    & skf18("3","9","1","10","1","7","1") = "9"
    & skf18("3","9","1","10","1","8","1") = "9"
    & skf18("3","9","1","10","1","9","1") = "9"
    & skf18("3","9","1","10","1","10","1") = "9"
    & skf18("3","9","1","10","2","1","1") = "9"
    & skf18("3","9","1","10","2","2","1") = "9"
    & skf18("3","9","1","10","2","3","1") = "9"
    & skf18("3","9","1","10","2","4","1") = "9"
    & skf18("3","9","1","10","2","5","1") = "9"
    & skf18("3","9","1","10","2","6","1") = "9"
    & skf18("3","9","1","10","2","7","1") = "9"
    & skf18("3","9","1","10","2","8","1") = "9"
    & skf18("3","9","1","10","2","9","1") = "9"
    & skf18("3","9","1","10","2","10","1") = "9"
    & skf18("3","9","1","10","3","1","1") = "9"
    & skf18("3","9","1","10","3","2","1") = "9"
    & skf18("3","9","1","10","3","3","1") = "9"
    & skf18("3","9","1","10","3","4","1") = "9"
    & skf18("3","9","1","10","3","5","1") = "9"
    & skf18("3","9","1","10","3","6","1") = "9"
    & skf18("3","9","1","10","3","7","1") = "9"
    & skf18("3","9","1","10","3","8","1") = "9"
    & skf18("3","9","1","10","3","9","1") = "9"
    & skf18("3","9","1","10","3","10","1") = "9"
    & skf18("3","9","1","10","4","1","1") = "9"
    & skf18("3","9","1","10","4","2","1") = "9"
    & skf18("3","9","1","10","4","3","1") = "9"
    & skf18("3","9","1","10","4","4","1") = "9"
    & skf18("3","9","1","10","4","5","1") = "9"
    & skf18("3","9","1","10","4","6","1") = "9"
    & skf18("3","9","1","10","4","7","1") = "9"
    & skf18("3","9","1","10","4","8","1") = "9"
    & skf18("3","9","1","10","4","9","1") = "9"
    & skf18("3","9","1","10","4","10","1") = "9"
    & skf18("3","9","1","10","5","1","1") = "9"
    & skf18("3","9","1","10","5","2","1") = "9"
    & skf18("3","9","1","10","5","3","1") = "9"
    & skf18("3","9","1","10","5","4","1") = "9"
    & skf18("3","9","1","10","5","5","1") = "9"
    & skf18("3","9","1","10","5","6","1") = "9"
    & skf18("3","9","1","10","5","7","1") = "9"
    & skf18("3","9","1","10","5","8","1") = "9"
    & skf18("3","9","1","10","5","9","1") = "9"
    & skf18("3","9","1","10","5","10","1") = "9"
    & skf18("3","9","1","10","6","1","1") = "9"
    & skf18("3","9","1","10","6","2","1") = "9"
    & skf18("3","9","1","10","6","3","1") = "9"
    & skf18("3","9","1","10","6","4","1") = "9"
    & skf18("3","9","1","10","6","5","1") = "9"
    & skf18("3","9","1","10","6","6","1") = "9"
    & skf18("3","9","1","10","6","7","1") = "9"
    & skf18("3","9","1","10","6","8","1") = "9"
    & skf18("3","9","1","10","6","9","1") = "9"
    & skf18("3","9","1","10","6","10","1") = "9"
    & skf18("3","9","1","10","7","1","1") = "9"
    & skf18("3","9","1","10","7","2","1") = "9"
    & skf18("3","9","1","10","7","3","1") = "9"
    & skf18("3","9","1","10","7","4","1") = "9"
    & skf18("3","9","1","10","7","5","1") = "9"
    & skf18("3","9","1","10","7","6","1") = "9"
    & skf18("3","9","1","10","7","7","1") = "9"
    & skf18("3","9","1","10","7","8","1") = "9"
    & skf18("3","9","1","10","7","9","1") = "9"
    & skf18("3","9","1","10","7","10","1") = "9"
    & skf18("3","9","1","10","8","1","1") = "9"
    & skf18("3","9","1","10","8","2","1") = "9"
    & skf18("3","9","1","10","8","3","1") = "9"
    & skf18("3","9","1","10","8","4","1") = "9"
    & skf18("3","9","1","10","8","5","1") = "9"
    & skf18("3","9","1","10","8","6","1") = "9"
    & skf18("3","9","1","10","8","7","1") = "9"
    & skf18("3","9","1","10","8","8","1") = "9"
    & skf18("3","9","1","10","8","9","1") = "9"
    & skf18("3","9","1","10","8","10","1") = "9"
    & skf18("3","9","1","10","9","1","1") = "9"
    & skf18("3","9","1","10","9","2","1") = "9"
    & skf18("3","9","1","10","9","3","1") = "9"
    & skf18("3","9","1","10","9","4","1") = "9"
    & skf18("3","9","1","10","9","5","1") = "9"
    & skf18("3","9","1","10","9","6","1") = "9"
    & skf18("3","9","1","10","9","7","1") = "9"
    & skf18("3","9","1","10","9","8","1") = "9"
    & skf18("3","9","1","10","9","9","1") = "9"
    & skf18("3","9","1","10","9","10","1") = "9"
    & skf18("3","9","1","10","10","1","1") = "9"
    & skf18("3","9","1","10","10","2","1") = "9"
    & skf18("3","9","1","10","10","3","1") = "9"
    & skf18("3","9","1","10","10","4","1") = "9"
    & skf18("3","9","1","10","10","5","1") = "9"
    & skf18("3","9","1","10","10","6","1") = "9"
    & skf18("3","9","1","10","10","7","1") = "9"
    & skf18("3","9","1","10","10","8","1") = "9"
    & skf18("3","9","1","10","10","9","1") = "9"
    & skf18("3","9","1","10","10","10","1") = "9"
    & skf18("3","9","2","1","1","1","1") = "8"
    & skf18("3","9","2","1","1","2","1") = "8"
    & skf18("3","9","2","1","1","3","1") = "8"
    & skf18("3","9","2","1","1","4","1") = "8"
    & skf18("3","9","2","1","1","5","1") = "8"
    & skf18("3","9","2","1","1","6","1") = "8"
    & skf18("3","9","2","1","1","7","1") = "8"
    & skf18("3","9","2","1","1","8","1") = "8"
    & skf18("3","9","2","1","1","9","1") = "8"
    & skf18("3","9","2","1","1","10","1") = "9"
    & skf18("3","9","2","1","2","1","1") = "8"
    & skf18("3","9","2","1","2","2","1") = "8"
    & skf18("3","9","2","1","2","3","1") = "8"
    & skf18("3","9","2","1","2","4","1") = "8"
    & skf18("3","9","2","1","2","5","1") = "8"
    & skf18("3","9","2","1","2","6","1") = "8"
    & skf18("3","9","2","1","2","7","1") = "8"
    & skf18("3","9","2","1","2","8","1") = "8"
    & skf18("3","9","2","1","2","9","1") = "8"
    & skf18("3","9","2","1","2","10","1") = "9"
    & skf18("3","9","2","1","3","1","1") = "8"
    & skf18("3","9","2","1","3","2","1") = "8"
    & skf18("3","9","2","1","3","3","1") = "8"
    & skf18("3","9","2","1","3","4","1") = "8"
    & skf18("3","9","2","1","3","5","1") = "8"
    & skf18("3","9","2","1","3","6","1") = "8"
    & skf18("3","9","2","1","3","7","1") = "8"
    & skf18("3","9","2","1","3","8","1") = "8"
    & skf18("3","9","2","1","3","9","1") = "8"
    & skf18("3","9","2","1","3","10","1") = "9"
    & skf18("3","9","2","1","4","1","1") = "8"
    & skf18("3","9","2","1","4","2","1") = "8"
    & skf18("3","9","2","1","4","3","1") = "8"
    & skf18("3","9","2","1","4","4","1") = "8"
    & skf18("3","9","2","1","4","5","1") = "8"
    & skf18("3","9","2","1","4","6","1") = "8"
    & skf18("3","9","2","1","4","7","1") = "8"
    & skf18("3","9","2","1","4","8","1") = "8"
    & skf18("3","9","2","1","4","9","1") = "8"
    & skf18("3","9","2","1","4","10","1") = "9"
    & skf18("3","9","2","1","5","1","1") = "8"
    & skf18("3","9","2","1","5","2","1") = "8"
    & skf18("3","9","2","1","5","3","1") = "8"
    & skf18("3","9","2","1","5","4","1") = "8"
    & skf18("3","9","2","1","5","5","1") = "8"
    & skf18("3","9","2","1","5","6","1") = "8"
    & skf18("3","9","2","1","5","7","1") = "8"
    & skf18("3","9","2","1","5","8","1") = "8"
    & skf18("3","9","2","1","5","9","1") = "8"
    & skf18("3","9","2","1","5","10","1") = "9"
    & skf18("3","9","2","1","6","1","1") = "8"
    & skf18("3","9","2","1","6","2","1") = "8"
    & skf18("3","9","2","1","6","3","1") = "8"
    & skf18("3","9","2","1","6","4","1") = "8"
    & skf18("3","9","2","1","6","5","1") = "8"
    & skf18("3","9","2","1","6","6","1") = "8"
    & skf18("3","9","2","1","6","7","1") = "8"
    & skf18("3","9","2","1","6","8","1") = "8"
    & skf18("3","9","2","1","6","9","1") = "8"
    & skf18("3","9","2","1","6","10","1") = "9"
    & skf18("3","9","2","1","7","1","1") = "8"
    & skf18("3","9","2","1","7","2","1") = "8"
    & skf18("3","9","2","1","7","3","1") = "8"
    & skf18("3","9","2","1","7","4","1") = "8"
    & skf18("3","9","2","1","7","5","1") = "8"
    & skf18("3","9","2","1","7","6","1") = "8"
    & skf18("3","9","2","1","7","7","1") = "8"
    & skf18("3","9","2","1","7","8","1") = "8"
    & skf18("3","9","2","1","7","9","1") = "8"
    & skf18("3","9","2","1","7","10","1") = "9"
    & skf18("3","9","2","1","8","1","1") = "8"
    & skf18("3","9","2","1","8","2","1") = "8"
    & skf18("3","9","2","1","8","3","1") = "8"
    & skf18("3","9","2","1","8","4","1") = "8"
    & skf18("3","9","2","1","8","5","1") = "8"
    & skf18("3","9","2","1","8","6","1") = "8"
    & skf18("3","9","2","1","8","7","1") = "8"
    & skf18("3","9","2","1","8","8","1") = "8"
    & skf18("3","9","2","1","8","9","1") = "8"
    & skf18("3","9","2","1","8","10","1") = "9"
    & skf18("3","9","2","1","9","1","1") = "8"
    & skf18("3","9","2","1","9","2","1") = "8"
    & skf18("3","9","2","1","9","3","1") = "8"
    & skf18("3","9","2","1","9","4","1") = "8"
    & skf18("3","9","2","1","9","5","1") = "8"
    & skf18("3","9","2","1","9","6","1") = "8"
    & skf18("3","9","2","1","9","7","1") = "8"
    & skf18("3","9","2","1","9","8","1") = "8"
    & skf18("3","9","2","1","9","9","1") = "8"
    & skf18("3","9","2","1","9","10","1") = "9"
    & skf18("3","9","2","1","10","1","1") = "9"
    & skf18("3","9","2","1","10","2","1") = "9"
    & skf18("3","9","2","1","10","3","1") = "9"
    & skf18("3","9","2","1","10","4","1") = "9"
    & skf18("3","9","2","1","10","5","1") = "9"
    & skf18("3","9","2","1","10","6","1") = "9"
    & skf18("3","9","2","1","10","7","1") = "9"
    & skf18("3","9","2","1","10","8","1") = "9"
    & skf18("3","9","2","1","10","9","1") = "9"
    & skf18("3","9","2","1","10","10","1") = "9"
    & skf18("3","9","2","2","1","1","1") = "8"
    & skf18("3","9","2","2","1","2","1") = "8"
    & skf18("3","9","2","2","1","3","1") = "8"
    & skf18("3","9","2","2","1","4","1") = "8"
    & skf18("3","9","2","2","1","5","1") = "8"
    & skf18("3","9","2","2","1","6","1") = "8"
    & skf18("3","9","2","2","1","7","1") = "8"
    & skf18("3","9","2","2","1","8","1") = "8"
    & skf18("3","9","2","2","1","9","1") = "8"
    & skf18("3","9","2","2","1","10","1") = "9"
    & skf18("3","9","2","2","2","1","1") = "8"
    & skf18("3","9","2","2","2","2","1") = "8"
    & skf18("3","9","2","2","2","3","1") = "8"
    & skf18("3","9","2","2","2","4","1") = "8"
    & skf18("3","9","2","2","2","5","1") = "8"
    & skf18("3","9","2","2","2","6","1") = "8"
    & skf18("3","9","2","2","2","7","1") = "8"
    & skf18("3","9","2","2","2","8","1") = "8"
    & skf18("3","9","2","2","2","9","1") = "8"
    & skf18("3","9","2","2","2","10","1") = "9"
    & skf18("3","9","2","2","3","1","1") = "8"
    & skf18("3","9","2","2","3","2","1") = "8"
    & skf18("3","9","2","2","3","3","1") = "8"
    & skf18("3","9","2","2","3","4","1") = "8"
    & skf18("3","9","2","2","3","5","1") = "8"
    & skf18("3","9","2","2","3","6","1") = "8"
    & skf18("3","9","2","2","3","7","1") = "8"
    & skf18("3","9","2","2","3","8","1") = "8"
    & skf18("3","9","2","2","3","9","1") = "8"
    & skf18("3","9","2","2","3","10","1") = "9"
    & skf18("3","9","2","2","4","1","1") = "8"
    & skf18("3","9","2","2","4","2","1") = "8"
    & skf18("3","9","2","2","4","3","1") = "8"
    & skf18("3","9","2","2","4","4","1") = "8"
    & skf18("3","9","2","2","4","5","1") = "8"
    & skf18("3","9","2","2","4","6","1") = "8"
    & skf18("3","9","2","2","4","7","1") = "8"
    & skf18("3","9","2","2","4","8","1") = "8"
    & skf18("3","9","2","2","4","9","1") = "8"
    & skf18("3","9","2","2","4","10","1") = "9"
    & skf18("3","9","2","2","5","1","1") = "8"
    & skf18("3","9","2","2","5","2","1") = "8"
    & skf18("3","9","2","2","5","3","1") = "8"
    & skf18("3","9","2","2","5","4","1") = "8"
    & skf18("3","9","2","2","5","5","1") = "8"
    & skf18("3","9","2","2","5","6","1") = "8"
    & skf18("3","9","2","2","5","7","1") = "8"
    & skf18("3","9","2","2","5","8","1") = "8"
    & skf18("3","9","2","2","5","9","1") = "8"
    & skf18("3","9","2","2","5","10","1") = "9"
    & skf18("3","9","2","2","6","1","1") = "8"
    & skf18("3","9","2","2","6","2","1") = "8"
    & skf18("3","9","2","2","6","3","1") = "8"
    & skf18("3","9","2","2","6","4","1") = "8"
    & skf18("3","9","2","2","6","5","1") = "8"
    & skf18("3","9","2","2","6","6","1") = "8"
    & skf18("3","9","2","2","6","7","1") = "8"
    & skf18("3","9","2","2","6","8","1") = "8"
    & skf18("3","9","2","2","6","9","1") = "8"
    & skf18("3","9","2","2","6","10","1") = "9"
    & skf18("3","9","2","2","7","1","1") = "8"
    & skf18("3","9","2","2","7","2","1") = "8"
    & skf18("3","9","2","2","7","3","1") = "8"
    & skf18("3","9","2","2","7","4","1") = "8"
    & skf18("3","9","2","2","7","5","1") = "8"
    & skf18("3","9","2","2","7","6","1") = "8"
    & skf18("3","9","2","2","7","7","1") = "8"
    & skf18("3","9","2","2","7","8","1") = "8"
    & skf18("3","9","2","2","7","9","1") = "8"
    & skf18("3","9","2","2","7","10","1") = "9"
    & skf18("3","9","2","2","8","1","1") = "8"
    & skf18("3","9","2","2","8","2","1") = "8"
    & skf18("3","9","2","2","8","3","1") = "8"
    & skf18("3","9","2","2","8","4","1") = "8"
    & skf18("3","9","2","2","8","5","1") = "8"
    & skf18("3","9","2","2","8","6","1") = "8"
    & skf18("3","9","2","2","8","7","1") = "8"
    & skf18("3","9","2","2","8","8","1") = "8"
    & skf18("3","9","2","2","8","9","1") = "8"
    & skf18("3","9","2","2","8","10","1") = "9"
    & skf18("3","9","2","2","9","1","1") = "8"
    & skf18("3","9","2","2","9","2","1") = "8"
    & skf18("3","9","2","2","9","3","1") = "8"
    & skf18("3","9","2","2","9","4","1") = "8"
    & skf18("3","9","2","2","9","5","1") = "8"
    & skf18("3","9","2","2","9","6","1") = "8"
    & skf18("3","9","2","2","9","7","1") = "8"
    & skf18("3","9","2","2","9","8","1") = "8"
    & skf18("3","9","2","2","9","9","1") = "8"
    & skf18("3","9","2","2","9","10","1") = "9"
    & skf18("3","9","2","2","10","1","1") = "9"
    & skf18("3","9","2","2","10","2","1") = "9"
    & skf18("3","9","2","2","10","3","1") = "9"
    & skf18("3","9","2","2","10","4","1") = "9"
    & skf18("3","9","2","2","10","5","1") = "9"
    & skf18("3","9","2","2","10","6","1") = "9"
    & skf18("3","9","2","2","10","7","1") = "9"
    & skf18("3","9","2","2","10","8","1") = "9"
    & skf18("3","9","2","2","10","9","1") = "9"
    & skf18("3","9","2","2","10","10","1") = "9"
    & skf18("3","9","2","3","1","1","1") = "8"
    & skf18("3","9","2","3","1","2","1") = "8"
    & skf18("3","9","2","3","1","3","1") = "8"
    & skf18("3","9","2","3","1","4","1") = "8"
    & skf18("3","9","2","3","1","5","1") = "8"
    & skf18("3","9","2","3","1","6","1") = "8"
    & skf18("3","9","2","3","1","7","1") = "8"
    & skf18("3","9","2","3","1","8","1") = "8"
    & skf18("3","9","2","3","1","9","1") = "8"
    & skf18("3","9","2","3","1","10","1") = "9"
    & skf18("3","9","2","3","2","1","1") = "8"
    & skf18("3","9","2","3","2","2","1") = "8"
    & skf18("3","9","2","3","2","3","1") = "8"
    & skf18("3","9","2","3","2","4","1") = "8"
    & skf18("3","9","2","3","2","5","1") = "8"
    & skf18("3","9","2","3","2","6","1") = "8"
    & skf18("3","9","2","3","2","7","1") = "8"
    & skf18("3","9","2","3","2","8","1") = "8"
    & skf18("3","9","2","3","2","9","1") = "8"
    & skf18("3","9","2","3","2","10","1") = "9"
    & skf18("3","9","2","3","3","1","1") = "8"
    & skf18("3","9","2","3","3","2","1") = "8"
    & skf18("3","9","2","3","3","3","1") = "8"
    & skf18("3","9","2","3","3","4","1") = "8"
    & skf18("3","9","2","3","3","5","1") = "8"
    & skf18("3","9","2","3","3","6","1") = "8"
    & skf18("3","9","2","3","3","7","1") = "8"
    & skf18("3","9","2","3","3","8","1") = "8"
    & skf18("3","9","2","3","3","9","1") = "8"
    & skf18("3","9","2","3","3","10","1") = "9"
    & skf18("3","9","2","3","4","1","1") = "8"
    & skf18("3","9","2","3","4","2","1") = "8"
    & skf18("3","9","2","3","4","3","1") = "8"
    & skf18("3","9","2","3","4","4","1") = "8"
    & skf18("3","9","2","3","4","5","1") = "8"
    & skf18("3","9","2","3","4","6","1") = "8"
    & skf18("3","9","2","3","4","7","1") = "8"
    & skf18("3","9","2","3","4","8","1") = "8"
    & skf18("3","9","2","3","4","9","1") = "8"
    & skf18("3","9","2","3","4","10","1") = "9"
    & skf18("3","9","2","3","5","1","1") = "8"
    & skf18("3","9","2","3","5","2","1") = "8"
    & skf18("3","9","2","3","5","3","1") = "8"
    & skf18("3","9","2","3","5","4","1") = "8"
    & skf18("3","9","2","3","5","5","1") = "8"
    & skf18("3","9","2","3","5","6","1") = "8"
    & skf18("3","9","2","3","5","7","1") = "8"
    & skf18("3","9","2","3","5","8","1") = "8"
    & skf18("3","9","2","3","5","9","1") = "8"
    & skf18("3","9","2","3","5","10","1") = "9"
    & skf18("3","9","2","3","6","1","1") = "8"
    & skf18("3","9","2","3","6","2","1") = "8"
    & skf18("3","9","2","3","6","3","1") = "8"
    & skf18("3","9","2","3","6","4","1") = "8"
    & skf18("3","9","2","3","6","5","1") = "8"
    & skf18("3","9","2","3","6","6","1") = "8"
    & skf18("3","9","2","3","6","7","1") = "8"
    & skf18("3","9","2","3","6","8","1") = "8"
    & skf18("3","9","2","3","6","9","1") = "8"
    & skf18("3","9","2","3","6","10","1") = "9"
    & skf18("3","9","2","3","7","1","1") = "8"
    & skf18("3","9","2","3","7","2","1") = "8"
    & skf18("3","9","2","3","7","3","1") = "8"
    & skf18("3","9","2","3","7","4","1") = "8"
    & skf18("3","9","2","3","7","5","1") = "8"
    & skf18("3","9","2","3","7","6","1") = "8"
    & skf18("3","9","2","3","7","7","1") = "8"
    & skf18("3","9","2","3","7","8","1") = "8"
    & skf18("3","9","2","3","7","9","1") = "8"
    & skf18("3","9","2","3","7","10","1") = "9"
    & skf18("3","9","2","3","8","1","1") = "8"
    & skf18("3","9","2","3","8","2","1") = "8"
    & skf18("3","9","2","3","8","3","1") = "8"
    & skf18("3","9","2","3","8","4","1") = "8"
    & skf18("3","9","2","3","8","5","1") = "8"
    & skf18("3","9","2","3","8","6","1") = "8"
    & skf18("3","9","2","3","8","7","1") = "8"
    & skf18("3","9","2","3","8","8","1") = "8"
    & skf18("3","9","2","3","8","9","1") = "8"
    & skf18("3","9","2","3","8","10","1") = "9"
    & skf18("3","9","2","3","9","1","1") = "8"
    & skf18("3","9","2","3","9","2","1") = "8"
    & skf18("3","9","2","3","9","3","1") = "8"
    & skf18("3","9","2","3","9","4","1") = "8"
    & skf18("3","9","2","3","9","5","1") = "8"
    & skf18("3","9","2","3","9","6","1") = "8"
    & skf18("3","9","2","3","9","7","1") = "8"
    & skf18("3","9","2","3","9","8","1") = "8"
    & skf18("3","9","2","3","9","9","1") = "8"
    & skf18("3","9","2","3","9","10","1") = "9"
    & skf18("3","9","2","3","10","1","1") = "9"
    & skf18("3","9","2","3","10","2","1") = "9"
    & skf18("3","9","2","3","10","3","1") = "9"
    & skf18("3","9","2","3","10","4","1") = "9"
    & skf18("3","9","2","3","10","5","1") = "9"
    & skf18("3","9","2","3","10","6","1") = "9"
    & skf18("3","9","2","3","10","7","1") = "9"
    & skf18("3","9","2","3","10","8","1") = "9"
    & skf18("3","9","2","3","10","9","1") = "9"
    & skf18("3","9","2","3","10","10","1") = "9"
    & skf18("3","9","2","4","1","1","1") = "8"
    & skf18("3","9","2","4","1","2","1") = "8"
    & skf18("3","9","2","4","1","3","1") = "8"
    & skf18("3","9","2","4","1","4","1") = "8"
    & skf18("3","9","2","4","1","5","1") = "8"
    & skf18("3","9","2","4","1","6","1") = "8"
    & skf18("3","9","2","4","1","7","1") = "8"
    & skf18("3","9","2","4","1","8","1") = "8"
    & skf18("3","9","2","4","1","9","1") = "8"
    & skf18("3","9","2","4","1","10","1") = "9"
    & skf18("3","9","2","4","2","1","1") = "8"
    & skf18("3","9","2","4","2","2","1") = "8"
    & skf18("3","9","2","4","2","3","1") = "8"
    & skf18("3","9","2","4","2","4","1") = "8"
    & skf18("3","9","2","4","2","5","1") = "8"
    & skf18("3","9","2","4","2","6","1") = "8"
    & skf18("3","9","2","4","2","7","1") = "8"
    & skf18("3","9","2","4","2","8","1") = "8"
    & skf18("3","9","2","4","2","9","1") = "8"
    & skf18("3","9","2","4","2","10","1") = "9"
    & skf18("3","9","2","4","3","1","1") = "8"
    & skf18("3","9","2","4","3","2","1") = "8"
    & skf18("3","9","2","4","3","3","1") = "8"
    & skf18("3","9","2","4","3","4","1") = "8"
    & skf18("3","9","2","4","3","5","1") = "8"
    & skf18("3","9","2","4","3","6","1") = "8"
    & skf18("3","9","2","4","3","7","1") = "8"
    & skf18("3","9","2","4","3","8","1") = "8"
    & skf18("3","9","2","4","3","9","1") = "8"
    & skf18("3","9","2","4","3","10","1") = "9"
    & skf18("3","9","2","4","4","1","1") = "8"
    & skf18("3","9","2","4","4","2","1") = "8"
    & skf18("3","9","2","4","4","3","1") = "8"
    & skf18("3","9","2","4","4","4","1") = "8"
    & skf18("3","9","2","4","4","5","1") = "8"
    & skf18("3","9","2","4","4","6","1") = "8"
    & skf18("3","9","2","4","4","7","1") = "8"
    & skf18("3","9","2","4","4","8","1") = "8"
    & skf18("3","9","2","4","4","9","1") = "8"
    & skf18("3","9","2","4","4","10","1") = "9"
    & skf18("3","9","2","4","5","1","1") = "8"
    & skf18("3","9","2","4","5","2","1") = "8"
    & skf18("3","9","2","4","5","3","1") = "8"
    & skf18("3","9","2","4","5","4","1") = "8"
    & skf18("3","9","2","4","5","5","1") = "8"
    & skf18("3","9","2","4","5","6","1") = "8"
    & skf18("3","9","2","4","5","7","1") = "8"
    & skf18("3","9","2","4","5","8","1") = "8"
    & skf18("3","9","2","4","5","9","1") = "8"
    & skf18("3","9","2","4","5","10","1") = "9"
    & skf18("3","9","2","4","6","1","1") = "8"
    & skf18("3","9","2","4","6","2","1") = "8"
    & skf18("3","9","2","4","6","3","1") = "8"
    & skf18("3","9","2","4","6","4","1") = "8"
    & skf18("3","9","2","4","6","5","1") = "8"
    & skf18("3","9","2","4","6","6","1") = "8"
    & skf18("3","9","2","4","6","7","1") = "8"
    & skf18("3","9","2","4","6","8","1") = "8"
    & skf18("3","9","2","4","6","9","1") = "8"
    & skf18("3","9","2","4","6","10","1") = "9"
    & skf18("3","9","2","4","7","1","1") = "8"
    & skf18("3","9","2","4","7","2","1") = "8"
    & skf18("3","9","2","4","7","3","1") = "8"
    & skf18("3","9","2","4","7","4","1") = "8"
    & skf18("3","9","2","4","7","5","1") = "8"
    & skf18("3","9","2","4","7","6","1") = "8"
    & skf18("3","9","2","4","7","7","1") = "8"
    & skf18("3","9","2","4","7","8","1") = "8"
    & skf18("3","9","2","4","7","9","1") = "8"
    & skf18("3","9","2","4","7","10","1") = "9"
    & skf18("3","9","2","4","8","1","1") = "8"
    & skf18("3","9","2","4","8","2","1") = "8"
    & skf18("3","9","2","4","8","3","1") = "8"
    & skf18("3","9","2","4","8","4","1") = "8"
    & skf18("3","9","2","4","8","5","1") = "8"
    & skf18("3","9","2","4","8","6","1") = "8"
    & skf18("3","9","2","4","8","7","1") = "8"
    & skf18("3","9","2","4","8","8","1") = "8"
    & skf18("3","9","2","4","8","9","1") = "8"
    & skf18("3","9","2","4","8","10","1") = "9"
    & skf18("3","9","2","4","9","1","1") = "8"
    & skf18("3","9","2","4","9","2","1") = "8"
    & skf18("3","9","2","4","9","3","1") = "8"
    & skf18("3","9","2","4","9","4","1") = "8"
    & skf18("3","9","2","4","9","5","1") = "8"
    & skf18("3","9","2","4","9","6","1") = "8"
    & skf18("3","9","2","4","9","7","1") = "8"
    & skf18("3","9","2","4","9","8","1") = "8"
    & skf18("3","9","2","4","9","9","1") = "8"
    & skf18("3","9","2","4","9","10","1") = "9"
    & skf18("3","9","2","4","10","1","1") = "9"
    & skf18("3","9","2","4","10","2","1") = "9"
    & skf18("3","9","2","4","10","3","1") = "9"
    & skf18("3","9","2","4","10","4","1") = "9"
    & skf18("3","9","2","4","10","5","1") = "9"
    & skf18("3","9","2","4","10","6","1") = "9"
    & skf18("3","9","2","4","10","7","1") = "9"
    & skf18("3","9","2","4","10","8","1") = "9"
    & skf18("3","9","2","4","10","9","1") = "9"
    & skf18("3","9","2","4","10","10","1") = "9"
    & skf18("3","9","2","5","1","1","1") = "8"
    & skf18("3","9","2","5","1","2","1") = "8"
    & skf18("3","9","2","5","1","3","1") = "8"
    & skf18("3","9","2","5","1","4","1") = "8"
    & skf18("3","9","2","5","1","5","1") = "8"
    & skf18("3","9","2","5","1","6","1") = "8"
    & skf18("3","9","2","5","1","7","1") = "8"
    & skf18("3","9","2","5","1","8","1") = "8"
    & skf18("3","9","2","5","1","9","1") = "8"
    & skf18("3","9","2","5","1","10","1") = "9"
    & skf18("3","9","2","5","2","1","1") = "8"
    & skf18("3","9","2","5","2","2","1") = "8"
    & skf18("3","9","2","5","2","3","1") = "8"
    & skf18("3","9","2","5","2","4","1") = "8"
    & skf18("3","9","2","5","2","5","1") = "8"
    & skf18("3","9","2","5","2","6","1") = "8"
    & skf18("3","9","2","5","2","7","1") = "8"
    & skf18("3","9","2","5","2","8","1") = "8"
    & skf18("3","9","2","5","2","9","1") = "8"
    & skf18("3","9","2","5","2","10","1") = "9"
    & skf18("3","9","2","5","3","1","1") = "8"
    & skf18("3","9","2","5","3","2","1") = "8"
    & skf18("3","9","2","5","3","3","1") = "8"
    & skf18("3","9","2","5","3","4","1") = "8"
    & skf18("3","9","2","5","3","5","1") = "8"
    & skf18("3","9","2","5","3","6","1") = "8"
    & skf18("3","9","2","5","3","7","1") = "8"
    & skf18("3","9","2","5","3","8","1") = "8"
    & skf18("3","9","2","5","3","9","1") = "8"
    & skf18("3","9","2","5","3","10","1") = "9"
    & skf18("3","9","2","5","4","1","1") = "8"
    & skf18("3","9","2","5","4","2","1") = "8"
    & skf18("3","9","2","5","4","3","1") = "8"
    & skf18("3","9","2","5","4","4","1") = "8"
    & skf18("3","9","2","5","4","5","1") = "8"
    & skf18("3","9","2","5","4","6","1") = "8"
    & skf18("3","9","2","5","4","7","1") = "8"
    & skf18("3","9","2","5","4","8","1") = "8"
    & skf18("3","9","2","5","4","9","1") = "8"
    & skf18("3","9","2","5","4","10","1") = "9"
    & skf18("3","9","2","5","5","1","1") = "8"
    & skf18("3","9","2","5","5","2","1") = "8"
    & skf18("3","9","2","5","5","3","1") = "8"
    & skf18("3","9","2","5","5","4","1") = "8"
    & skf18("3","9","2","5","5","5","1") = "8"
    & skf18("3","9","2","5","5","6","1") = "8"
    & skf18("3","9","2","5","5","7","1") = "8"
    & skf18("3","9","2","5","5","8","1") = "8"
    & skf18("3","9","2","5","5","9","1") = "8"
    & skf18("3","9","2","5","5","10","1") = "9"
    & skf18("3","9","2","5","6","1","1") = "8"
    & skf18("3","9","2","5","6","2","1") = "8"
    & skf18("3","9","2","5","6","3","1") = "8"
    & skf18("3","9","2","5","6","4","1") = "8"
    & skf18("3","9","2","5","6","5","1") = "8"
    & skf18("3","9","2","5","6","6","1") = "8"
    & skf18("3","9","2","5","6","7","1") = "8"
    & skf18("3","9","2","5","6","8","1") = "8"
    & skf18("3","9","2","5","6","9","1") = "8"
    & skf18("3","9","2","5","6","10","1") = "9"
    & skf18("3","9","2","5","7","1","1") = "8"
    & skf18("3","9","2","5","7","2","1") = "8"
    & skf18("3","9","2","5","7","3","1") = "8"
    & skf18("3","9","2","5","7","4","1") = "8"
    & skf18("3","9","2","5","7","5","1") = "8"
    & skf18("3","9","2","5","7","6","1") = "8"
    & skf18("3","9","2","5","7","7","1") = "8"
    & skf18("3","9","2","5","7","8","1") = "8"
    & skf18("3","9","2","5","7","9","1") = "8"
    & skf18("3","9","2","5","7","10","1") = "9"
    & skf18("3","9","2","5","8","1","1") = "8"
    & skf18("3","9","2","5","8","2","1") = "8"
    & skf18("3","9","2","5","8","3","1") = "8"
    & skf18("3","9","2","5","8","4","1") = "8"
    & skf18("3","9","2","5","8","5","1") = "8"
    & skf18("3","9","2","5","8","6","1") = "8"
    & skf18("3","9","2","5","8","7","1") = "8"
    & skf18("3","9","2","5","8","8","1") = "8"
    & skf18("3","9","2","5","8","9","1") = "8"
    & skf18("3","9","2","5","8","10","1") = "9"
    & skf18("3","9","2","5","9","1","1") = "8"
    & skf18("3","9","2","5","9","2","1") = "8"
    & skf18("3","9","2","5","9","3","1") = "8"
    & skf18("3","9","2","5","9","4","1") = "8"
    & skf18("3","9","2","5","9","5","1") = "8"
    & skf18("3","9","2","5","9","6","1") = "8"
    & skf18("3","9","2","5","9","7","1") = "8"
    & skf18("3","9","2","5","9","8","1") = "8"
    & skf18("3","9","2","5","9","9","1") = "8"
    & skf18("3","9","2","5","9","10","1") = "9"
    & skf18("3","9","2","5","10","1","1") = "9"
    & skf18("3","9","2","5","10","2","1") = "9"
    & skf18("3","9","2","5","10","3","1") = "9"
    & skf18("3","9","2","5","10","4","1") = "9"
    & skf18("3","9","2","5","10","5","1") = "9"
    & skf18("3","9","2","5","10","6","1") = "9"
    & skf18("3","9","2","5","10","7","1") = "9"
    & skf18("3","9","2","5","10","8","1") = "9"
    & skf18("3","9","2","5","10","9","1") = "9"
    & skf18("3","9","2","5","10","10","1") = "9"
    & skf18("3","9","2","6","1","1","1") = "8"
    & skf18("3","9","2","6","1","2","1") = "8"
    & skf18("3","9","2","6","1","3","1") = "8"
    & skf18("3","9","2","6","1","4","1") = "8"
    & skf18("3","9","2","6","1","5","1") = "8"
    & skf18("3","9","2","6","1","6","1") = "8"
    & skf18("3","9","2","6","1","7","1") = "8"
    & skf18("3","9","2","6","1","8","1") = "8"
    & skf18("3","9","2","6","1","9","1") = "8"
    & skf18("3","9","2","6","1","10","1") = "9"
    & skf18("3","9","2","6","2","1","1") = "8"
    & skf18("3","9","2","6","2","2","1") = "8"
    & skf18("3","9","2","6","2","3","1") = "8"
    & skf18("3","9","2","6","2","4","1") = "8"
    & skf18("3","9","2","6","2","5","1") = "8"
    & skf18("3","9","2","6","2","6","1") = "8"
    & skf18("3","9","2","6","2","7","1") = "8"
    & skf18("3","9","2","6","2","8","1") = "8"
    & skf18("3","9","2","6","2","9","1") = "8"
    & skf18("3","9","2","6","2","10","1") = "9"
    & skf18("3","9","2","6","3","1","1") = "8"
    & skf18("3","9","2","6","3","2","1") = "8"
    & skf18("3","9","2","6","3","3","1") = "8"
    & skf18("3","9","2","6","3","4","1") = "8"
    & skf18("3","9","2","6","3","5","1") = "8"
    & skf18("3","9","2","6","3","6","1") = "8"
    & skf18("3","9","2","6","3","7","1") = "8"
    & skf18("3","9","2","6","3","8","1") = "8"
    & skf18("3","9","2","6","3","9","1") = "8"
    & skf18("3","9","2","6","3","10","1") = "9"
    & skf18("3","9","2","6","4","1","1") = "8"
    & skf18("3","9","2","6","4","2","1") = "8"
    & skf18("3","9","2","6","4","3","1") = "8"
    & skf18("3","9","2","6","4","4","1") = "8"
    & skf18("3","9","2","6","4","5","1") = "8"
    & skf18("3","9","2","6","4","6","1") = "8"
    & skf18("3","9","2","6","4","7","1") = "8"
    & skf18("3","9","2","6","4","8","1") = "8"
    & skf18("3","9","2","6","4","9","1") = "8"
    & skf18("3","9","2","6","4","10","1") = "9"
    & skf18("3","9","2","6","5","1","1") = "8"
    & skf18("3","9","2","6","5","2","1") = "8"
    & skf18("3","9","2","6","5","3","1") = "8"
    & skf18("3","9","2","6","5","4","1") = "8"
    & skf18("3","9","2","6","5","5","1") = "8"
    & skf18("3","9","2","6","5","6","1") = "8"
    & skf18("3","9","2","6","5","7","1") = "8"
    & skf18("3","9","2","6","5","8","1") = "8"
    & skf18("3","9","2","6","5","9","1") = "8"
    & skf18("3","9","2","6","5","10","1") = "9"
    & skf18("3","9","2","6","6","1","1") = "8"
    & skf18("3","9","2","6","6","2","1") = "8"
    & skf18("3","9","2","6","6","3","1") = "8"
    & skf18("3","9","2","6","6","4","1") = "8"
    & skf18("3","9","2","6","6","5","1") = "8"
    & skf18("3","9","2","6","6","6","1") = "8"
    & skf18("3","9","2","6","6","7","1") = "8"
    & skf18("3","9","2","6","6","8","1") = "8"
    & skf18("3","9","2","6","6","9","1") = "8"
    & skf18("3","9","2","6","6","10","1") = "9"
    & skf18("3","9","2","6","7","1","1") = "8"
    & skf18("3","9","2","6","7","2","1") = "8"
    & skf18("3","9","2","6","7","3","1") = "8"
    & skf18("3","9","2","6","7","4","1") = "8"
    & skf18("3","9","2","6","7","5","1") = "8"
    & skf18("3","9","2","6","7","6","1") = "8"
    & skf18("3","9","2","6","7","7","1") = "8"
    & skf18("3","9","2","6","7","8","1") = "8"
    & skf18("3","9","2","6","7","9","1") = "8"
    & skf18("3","9","2","6","7","10","1") = "9"
    & skf18("3","9","2","6","8","1","1") = "8"
    & skf18("3","9","2","6","8","2","1") = "8"
    & skf18("3","9","2","6","8","3","1") = "8"
    & skf18("3","9","2","6","8","4","1") = "8"
    & skf18("3","9","2","6","8","5","1") = "8"
    & skf18("3","9","2","6","8","6","1") = "8"
    & skf18("3","9","2","6","8","7","1") = "8"
    & skf18("3","9","2","6","8","8","1") = "8"
    & skf18("3","9","2","6","8","9","1") = "8"
    & skf18("3","9","2","6","8","10","1") = "9"
    & skf18("3","9","2","6","9","1","1") = "8"
    & skf18("3","9","2","6","9","2","1") = "8"
    & skf18("3","9","2","6","9","3","1") = "8"
    & skf18("3","9","2","6","9","4","1") = "8"
    & skf18("3","9","2","6","9","5","1") = "8"
    & skf18("3","9","2","6","9","6","1") = "8"
    & skf18("3","9","2","6","9","7","1") = "8"
    & skf18("3","9","2","6","9","8","1") = "8"
    & skf18("3","9","2","6","9","9","1") = "8"
    & skf18("3","9","2","6","9","10","1") = "9"
    & skf18("3","9","2","6","10","1","1") = "9"
    & skf18("3","9","2","6","10","2","1") = "9"
    & skf18("3","9","2","6","10","3","1") = "9"
    & skf18("3","9","2","6","10","4","1") = "9"
    & skf18("3","9","2","6","10","5","1") = "9"
    & skf18("3","9","2","6","10","6","1") = "9"
    & skf18("3","9","2","6","10","7","1") = "9"
    & skf18("3","9","2","6","10","8","1") = "9"
    & skf18("3","9","2","6","10","9","1") = "9"
    & skf18("3","9","2","6","10","10","1") = "9"
    & skf18("3","9","2","7","1","1","1") = "8"
    & skf18("3","9","2","7","1","2","1") = "8"
    & skf18("3","9","2","7","1","3","1") = "8"
    & skf18("3","9","2","7","1","4","1") = "8"
    & skf18("3","9","2","7","1","5","1") = "8"
    & skf18("3","9","2","7","1","6","1") = "8"
    & skf18("3","9","2","7","1","7","1") = "8"
    & skf18("3","9","2","7","1","8","1") = "8"
    & skf18("3","9","2","7","1","9","1") = "8"
    & skf18("3","9","2","7","1","10","1") = "9"
    & skf18("3","9","2","7","2","1","1") = "8"
    & skf18("3","9","2","7","2","2","1") = "8"
    & skf18("3","9","2","7","2","3","1") = "8"
    & skf18("3","9","2","7","2","4","1") = "8"
    & skf18("3","9","2","7","2","5","1") = "8"
    & skf18("3","9","2","7","2","6","1") = "8"
    & skf18("3","9","2","7","2","7","1") = "8"
    & skf18("3","9","2","7","2","8","1") = "8"
    & skf18("3","9","2","7","2","9","1") = "8"
    & skf18("3","9","2","7","2","10","1") = "9"
    & skf18("3","9","2","7","3","1","1") = "8"
    & skf18("3","9","2","7","3","2","1") = "8"
    & skf18("3","9","2","7","3","3","1") = "8"
    & skf18("3","9","2","7","3","4","1") = "8"
    & skf18("3","9","2","7","3","5","1") = "8"
    & skf18("3","9","2","7","3","6","1") = "8"
    & skf18("3","9","2","7","3","7","1") = "8"
    & skf18("3","9","2","7","3","8","1") = "8"
    & skf18("3","9","2","7","3","9","1") = "8"
    & skf18("3","9","2","7","3","10","1") = "9"
    & skf18("3","9","2","7","4","1","1") = "8"
    & skf18("3","9","2","7","4","2","1") = "8"
    & skf18("3","9","2","7","4","3","1") = "8"
    & skf18("3","9","2","7","4","4","1") = "8"
    & skf18("3","9","2","7","4","5","1") = "8"
    & skf18("3","9","2","7","4","6","1") = "8"
    & skf18("3","9","2","7","4","7","1") = "8"
    & skf18("3","9","2","7","4","8","1") = "8"
    & skf18("3","9","2","7","4","9","1") = "8"
    & skf18("3","9","2","7","4","10","1") = "9"
    & skf18("3","9","2","7","5","1","1") = "8"
    & skf18("3","9","2","7","5","2","1") = "8"
    & skf18("3","9","2","7","5","3","1") = "8"
    & skf18("3","9","2","7","5","4","1") = "8"
    & skf18("3","9","2","7","5","5","1") = "8"
    & skf18("3","9","2","7","5","6","1") = "8"
    & skf18("3","9","2","7","5","7","1") = "8"
    & skf18("3","9","2","7","5","8","1") = "8"
    & skf18("3","9","2","7","5","9","1") = "8"
    & skf18("3","9","2","7","5","10","1") = "9"
    & skf18("3","9","2","7","6","1","1") = "8"
    & skf18("3","9","2","7","6","2","1") = "8"
    & skf18("3","9","2","7","6","3","1") = "8"
    & skf18("3","9","2","7","6","4","1") = "8"
    & skf18("3","9","2","7","6","5","1") = "8"
    & skf18("3","9","2","7","6","6","1") = "8"
    & skf18("3","9","2","7","6","7","1") = "8"
    & skf18("3","9","2","7","6","8","1") = "8"
    & skf18("3","9","2","7","6","9","1") = "8"
    & skf18("3","9","2","7","6","10","1") = "9"
    & skf18("3","9","2","7","7","1","1") = "8"
    & skf18("3","9","2","7","7","2","1") = "8"
    & skf18("3","9","2","7","7","3","1") = "8"
    & skf18("3","9","2","7","7","4","1") = "8"
    & skf18("3","9","2","7","7","5","1") = "8"
    & skf18("3","9","2","7","7","6","1") = "8"
    & skf18("3","9","2","7","7","7","1") = "8"
    & skf18("3","9","2","7","7","8","1") = "8"
    & skf18("3","9","2","7","7","9","1") = "8"
    & skf18("3","9","2","7","7","10","1") = "9"
    & skf18("3","9","2","7","8","1","1") = "8"
    & skf18("3","9","2","7","8","2","1") = "8"
    & skf18("3","9","2","7","8","3","1") = "8"
    & skf18("3","9","2","7","8","4","1") = "8"
    & skf18("3","9","2","7","8","5","1") = "8"
    & skf18("3","9","2","7","8","6","1") = "8"
    & skf18("3","9","2","7","8","7","1") = "8"
    & skf18("3","9","2","7","8","8","1") = "8"
    & skf18("3","9","2","7","8","9","1") = "8"
    & skf18("3","9","2","7","8","10","1") = "9"
    & skf18("3","9","2","7","9","1","1") = "8"
    & skf18("3","9","2","7","9","2","1") = "8"
    & skf18("3","9","2","7","9","3","1") = "8"
    & skf18("3","9","2","7","9","4","1") = "8"
    & skf18("3","9","2","7","9","5","1") = "8"
    & skf18("3","9","2","7","9","6","1") = "8"
    & skf18("3","9","2","7","9","7","1") = "8"
    & skf18("3","9","2","7","9","8","1") = "8"
    & skf18("3","9","2","7","9","9","1") = "8"
    & skf18("3","9","2","7","9","10","1") = "9"
    & skf18("3","9","2","7","10","1","1") = "9"
    & skf18("3","9","2","7","10","2","1") = "9"
    & skf18("3","9","2","7","10","3","1") = "9"
    & skf18("3","9","2","7","10","4","1") = "9"
    & skf18("3","9","2","7","10","5","1") = "9"
    & skf18("3","9","2","7","10","6","1") = "9"
    & skf18("3","9","2","7","10","7","1") = "9"
    & skf18("3","9","2","7","10","8","1") = "9"
    & skf18("3","9","2","7","10","9","1") = "9"
    & skf18("3","9","2","7","10","10","1") = "9"
    & skf18("3","9","2","8","1","1","1") = "8"
    & skf18("3","9","2","8","1","2","1") = "8"
    & skf18("3","9","2","8","1","3","1") = "8"
    & skf18("3","9","2","8","1","4","1") = "8"
    & skf18("3","9","2","8","1","5","1") = "8"
    & skf18("3","9","2","8","1","6","1") = "8"
    & skf18("3","9","2","8","1","7","1") = "8"
    & skf18("3","9","2","8","1","8","1") = "8"
    & skf18("3","9","2","8","1","9","1") = "8"
    & skf18("3","9","2","8","1","10","1") = "9"
    & skf18("3","9","2","8","2","1","1") = "8"
    & skf18("3","9","2","8","2","2","1") = "8"
    & skf18("3","9","2","8","2","3","1") = "8"
    & skf18("3","9","2","8","2","4","1") = "8"
    & skf18("3","9","2","8","2","5","1") = "8"
    & skf18("3","9","2","8","2","6","1") = "8"
    & skf18("3","9","2","8","2","7","1") = "8"
    & skf18("3","9","2","8","2","8","1") = "8"
    & skf18("3","9","2","8","2","9","1") = "8"
    & skf18("3","9","2","8","2","10","1") = "9"
    & skf18("3","9","2","8","3","1","1") = "8"
    & skf18("3","9","2","8","3","2","1") = "8"
    & skf18("3","9","2","8","3","3","1") = "8"
    & skf18("3","9","2","8","3","4","1") = "8"
    & skf18("3","9","2","8","3","5","1") = "8"
    & skf18("3","9","2","8","3","6","1") = "8"
    & skf18("3","9","2","8","3","7","1") = "8"
    & skf18("3","9","2","8","3","8","1") = "8"
    & skf18("3","9","2","8","3","9","1") = "8"
    & skf18("3","9","2","8","3","10","1") = "9"
    & skf18("3","9","2","8","4","1","1") = "8"
    & skf18("3","9","2","8","4","2","1") = "8"
    & skf18("3","9","2","8","4","3","1") = "8"
    & skf18("3","9","2","8","4","4","1") = "8"
    & skf18("3","9","2","8","4","5","1") = "8"
    & skf18("3","9","2","8","4","6","1") = "8"
    & skf18("3","9","2","8","4","7","1") = "8"
    & skf18("3","9","2","8","4","8","1") = "8"
    & skf18("3","9","2","8","4","9","1") = "8"
    & skf18("3","9","2","8","4","10","1") = "9"
    & skf18("3","9","2","8","5","1","1") = "8"
    & skf18("3","9","2","8","5","2","1") = "8"
    & skf18("3","9","2","8","5","3","1") = "8"
    & skf18("3","9","2","8","5","4","1") = "8"
    & skf18("3","9","2","8","5","5","1") = "8"
    & skf18("3","9","2","8","5","6","1") = "8"
    & skf18("3","9","2","8","5","7","1") = "8"
    & skf18("3","9","2","8","5","8","1") = "8"
    & skf18("3","9","2","8","5","9","1") = "8"
    & skf18("3","9","2","8","5","10","1") = "9"
    & skf18("3","9","2","8","6","1","1") = "8"
    & skf18("3","9","2","8","6","2","1") = "8"
    & skf18("3","9","2","8","6","3","1") = "8"
    & skf18("3","9","2","8","6","4","1") = "8"
    & skf18("3","9","2","8","6","5","1") = "8"
    & skf18("3","9","2","8","6","6","1") = "8"
    & skf18("3","9","2","8","6","7","1") = "8"
    & skf18("3","9","2","8","6","8","1") = "8"
    & skf18("3","9","2","8","6","9","1") = "8"
    & skf18("3","9","2","8","6","10","1") = "9"
    & skf18("3","9","2","8","7","1","1") = "8"
    & skf18("3","9","2","8","7","2","1") = "8"
    & skf18("3","9","2","8","7","3","1") = "8"
    & skf18("3","9","2","8","7","4","1") = "8"
    & skf18("3","9","2","8","7","5","1") = "8"
    & skf18("3","9","2","8","7","6","1") = "8"
    & skf18("3","9","2","8","7","7","1") = "8"
    & skf18("3","9","2","8","7","8","1") = "8"
    & skf18("3","9","2","8","7","9","1") = "8"
    & skf18("3","9","2","8","7","10","1") = "9"
    & skf18("3","9","2","8","8","1","1") = "8"
    & skf18("3","9","2","8","8","2","1") = "8"
    & skf18("3","9","2","8","8","3","1") = "8"
    & skf18("3","9","2","8","8","4","1") = "8"
    & skf18("3","9","2","8","8","5","1") = "8"
    & skf18("3","9","2","8","8","6","1") = "8"
    & skf18("3","9","2","8","8","7","1") = "8"
    & skf18("3","9","2","8","8","8","1") = "8"
    & skf18("3","9","2","8","8","9","1") = "8"
    & skf18("3","9","2","8","8","10","1") = "9"
    & skf18("3","9","2","8","9","1","1") = "8"
    & skf18("3","9","2","8","9","2","1") = "8"
    & skf18("3","9","2","8","9","3","1") = "8"
    & skf18("3","9","2","8","9","4","1") = "8"
    & skf18("3","9","2","8","9","5","1") = "8"
    & skf18("3","9","2","8","9","6","1") = "8"
    & skf18("3","9","2","8","9","7","1") = "8"
    & skf18("3","9","2","8","9","8","1") = "8"
    & skf18("3","9","2","8","9","9","1") = "8"
    & skf18("3","9","2","8","9","10","1") = "9"
    & skf18("3","9","2","8","10","1","1") = "9"
    & skf18("3","9","2","8","10","2","1") = "9"
    & skf18("3","9","2","8","10","3","1") = "9"
    & skf18("3","9","2","8","10","4","1") = "9"
    & skf18("3","9","2","8","10","5","1") = "9"
    & skf18("3","9","2","8","10","6","1") = "9"
    & skf18("3","9","2","8","10","7","1") = "9"
    & skf18("3","9","2","8","10","8","1") = "9"
    & skf18("3","9","2","8","10","9","1") = "9"
    & skf18("3","9","2","8","10","10","1") = "9"
    & skf18("3","9","2","9","1","1","1") = "8"
    & skf18("3","9","2","9","1","2","1") = "8"
    & skf18("3","9","2","9","1","3","1") = "8"
    & skf18("3","9","2","9","1","4","1") = "8"
    & skf18("3","9","2","9","1","5","1") = "8"
    & skf18("3","9","2","9","1","6","1") = "8"
    & skf18("3","9","2","9","1","7","1") = "8"
    & skf18("3","9","2","9","1","8","1") = "8"
    & skf18("3","9","2","9","1","9","1") = "8"
    & skf18("3","9","2","9","1","10","1") = "9"
    & skf18("3","9","2","9","2","1","1") = "8"
    & skf18("3","9","2","9","2","2","1") = "8"
    & skf18("3","9","2","9","2","3","1") = "8"
    & skf18("3","9","2","9","2","4","1") = "8"
    & skf18("3","9","2","9","2","5","1") = "8"
    & skf18("3","9","2","9","2","6","1") = "8"
    & skf18("3","9","2","9","2","7","1") = "8"
    & skf18("3","9","2","9","2","8","1") = "8"
    & skf18("3","9","2","9","2","9","1") = "8"
    & skf18("3","9","2","9","2","10","1") = "9"
    & skf18("3","9","2","9","3","1","1") = "8"
    & skf18("3","9","2","9","3","2","1") = "8"
    & skf18("3","9","2","9","3","3","1") = "8"
    & skf18("3","9","2","9","3","4","1") = "8"
    & skf18("3","9","2","9","3","5","1") = "8"
    & skf18("3","9","2","9","3","6","1") = "8"
    & skf18("3","9","2","9","3","7","1") = "8"
    & skf18("3","9","2","9","3","8","1") = "8"
    & skf18("3","9","2","9","3","9","1") = "8"
    & skf18("3","9","2","9","3","10","1") = "9"
    & skf18("3","9","2","9","4","1","1") = "8"
    & skf18("3","9","2","9","4","2","1") = "8"
    & skf18("3","9","2","9","4","3","1") = "8"
    & skf18("3","9","2","9","4","4","1") = "8"
    & skf18("3","9","2","9","4","5","1") = "8"
    & skf18("3","9","2","9","4","6","1") = "8"
    & skf18("3","9","2","9","4","7","1") = "8"
    & skf18("3","9","2","9","4","8","1") = "8"
    & skf18("3","9","2","9","4","9","1") = "8"
    & skf18("3","9","2","9","4","10","1") = "9"
    & skf18("3","9","2","9","5","1","1") = "8"
    & skf18("3","9","2","9","5","2","1") = "8"
    & skf18("3","9","2","9","5","3","1") = "8"
    & skf18("3","9","2","9","5","4","1") = "8"
    & skf18("3","9","2","9","5","5","1") = "8"
    & skf18("3","9","2","9","5","6","1") = "8"
    & skf18("3","9","2","9","5","7","1") = "8"
    & skf18("3","9","2","9","5","8","1") = "8"
    & skf18("3","9","2","9","5","9","1") = "8"
    & skf18("3","9","2","9","5","10","1") = "9"
    & skf18("3","9","2","9","6","1","1") = "8"
    & skf18("3","9","2","9","6","2","1") = "8"
    & skf18("3","9","2","9","6","3","1") = "8"
    & skf18("3","9","2","9","6","4","1") = "8"
    & skf18("3","9","2","9","6","5","1") = "8"
    & skf18("3","9","2","9","6","6","1") = "8"
    & skf18("3","9","2","9","6","7","1") = "8"
    & skf18("3","9","2","9","6","8","1") = "8"
    & skf18("3","9","2","9","6","9","1") = "8"
    & skf18("3","9","2","9","6","10","1") = "9"
    & skf18("3","9","2","9","7","1","1") = "8"
    & skf18("3","9","2","9","7","2","1") = "8"
    & skf18("3","9","2","9","7","3","1") = "8"
    & skf18("3","9","2","9","7","4","1") = "8"
    & skf18("3","9","2","9","7","5","1") = "8"
    & skf18("3","9","2","9","7","6","1") = "8"
    & skf18("3","9","2","9","7","7","1") = "8"
    & skf18("3","9","2","9","7","8","1") = "8"
    & skf18("3","9","2","9","7","9","1") = "8"
    & skf18("3","9","2","9","7","10","1") = "9"
    & skf18("3","9","2","9","8","1","1") = "8"
    & skf18("3","9","2","9","8","2","1") = "8"
    & skf18("3","9","2","9","8","3","1") = "8"
    & skf18("3","9","2","9","8","4","1") = "8"
    & skf18("3","9","2","9","8","5","1") = "8"
    & skf18("3","9","2","9","8","6","1") = "8"
    & skf18("3","9","2","9","8","7","1") = "8"
    & skf18("3","9","2","9","8","8","1") = "8"
    & skf18("3","9","2","9","8","9","1") = "8"
    & skf18("3","9","2","9","8","10","1") = "9"
    & skf18("3","9","2","9","9","1","1") = "8"
    & skf18("3","9","2","9","9","2","1") = "8"
    & skf18("3","9","2","9","9","3","1") = "8"
    & skf18("3","9","2","9","9","4","1") = "8"
    & skf18("3","9","2","9","9","5","1") = "8"
    & skf18("3","9","2","9","9","6","1") = "8"
    & skf18("3","9","2","9","9","7","1") = "8"
    & skf18("3","9","2","9","9","8","1") = "8"
    & skf18("3","9","2","9","9","9","1") = "8"
    & skf18("3","9","2","9","9","10","1") = "9"
    & skf18("3","9","2","9","10","1","1") = "9"
    & skf18("3","9","2","9","10","2","1") = "9"
    & skf18("3","9","2","9","10","3","1") = "9"
    & skf18("3","9","2","9","10","4","1") = "9"
    & skf18("3","9","2","9","10","5","1") = "9"
    & skf18("3","9","2","9","10","6","1") = "9"
    & skf18("3","9","2","9","10","7","1") = "9"
    & skf18("3","9","2","9","10","8","1") = "9"
    & skf18("3","9","2","9","10","9","1") = "9"
    & skf18("3","9","2","9","10","10","1") = "9"
    & skf18("3","9","2","10","1","1","1") = "9"
    & skf18("3","9","2","10","1","2","1") = "9"
    & skf18("3","9","2","10","1","3","1") = "9"
    & skf18("3","9","2","10","1","4","1") = "9"
    & skf18("3","9","2","10","1","5","1") = "9"
    & skf18("3","9","2","10","1","6","1") = "9"
    & skf18("3","9","2","10","1","7","1") = "9"
    & skf18("3","9","2","10","1","8","1") = "9"
    & skf18("3","9","2","10","1","9","1") = "9"
    & skf18("3","9","2","10","1","10","1") = "9"
    & skf18("3","9","2","10","2","1","1") = "9"
    & skf18("3","9","2","10","2","2","1") = "9"
    & skf18("3","9","2","10","2","3","1") = "9"
    & skf18("3","9","2","10","2","4","1") = "9"
    & skf18("3","9","2","10","2","5","1") = "9"
    & skf18("3","9","2","10","2","6","1") = "9"
    & skf18("3","9","2","10","2","7","1") = "9"
    & skf18("3","9","2","10","2","8","1") = "9"
    & skf18("3","9","2","10","2","9","1") = "9"
    & skf18("3","9","2","10","2","10","1") = "9"
    & skf18("3","9","2","10","3","1","1") = "9"
    & skf18("3","9","2","10","3","2","1") = "9"
    & skf18("3","9","2","10","3","3","1") = "9"
    & skf18("3","9","2","10","3","4","1") = "9"
    & skf18("3","9","2","10","3","5","1") = "9"
    & skf18("3","9","2","10","3","6","1") = "9"
    & skf18("3","9","2","10","3","7","1") = "9"
    & skf18("3","9","2","10","3","8","1") = "9"
    & skf18("3","9","2","10","3","9","1") = "9"
    & skf18("3","9","2","10","3","10","1") = "9"
    & skf18("3","9","2","10","4","1","1") = "9"
    & skf18("3","9","2","10","4","2","1") = "9"
    & skf18("3","9","2","10","4","3","1") = "9"
    & skf18("3","9","2","10","4","4","1") = "9"
    & skf18("3","9","2","10","4","5","1") = "9"
    & skf18("3","9","2","10","4","6","1") = "9"
    & skf18("3","9","2","10","4","7","1") = "9"
    & skf18("3","9","2","10","4","8","1") = "9"
    & skf18("3","9","2","10","4","9","1") = "9"
    & skf18("3","9","2","10","4","10","1") = "9"
    & skf18("3","9","2","10","5","1","1") = "9"
    & skf18("3","9","2","10","5","2","1") = "9"
    & skf18("3","9","2","10","5","3","1") = "9"
    & skf18("3","9","2","10","5","4","1") = "9"
    & skf18("3","9","2","10","5","5","1") = "9"
    & skf18("3","9","2","10","5","6","1") = "9"
    & skf18("3","9","2","10","5","7","1") = "9"
    & skf18("3","9","2","10","5","8","1") = "9"
    & skf18("3","9","2","10","5","9","1") = "9"
    & skf18("3","9","2","10","5","10","1") = "9"
    & skf18("3","9","2","10","6","1","1") = "9"
    & skf18("3","9","2","10","6","2","1") = "9"
    & skf18("3","9","2","10","6","3","1") = "9"
    & skf18("3","9","2","10","6","4","1") = "9"
    & skf18("3","9","2","10","6","5","1") = "9"
    & skf18("3","9","2","10","6","6","1") = "9"
    & skf18("3","9","2","10","6","7","1") = "9"
    & skf18("3","9","2","10","6","8","1") = "9"
    & skf18("3","9","2","10","6","9","1") = "9"
    & skf18("3","9","2","10","6","10","1") = "9"
    & skf18("3","9","2","10","7","1","1") = "9"
    & skf18("3","9","2","10","7","2","1") = "9"
    & skf18("3","9","2","10","7","3","1") = "9"
    & skf18("3","9","2","10","7","4","1") = "9"
    & skf18("3","9","2","10","7","5","1") = "9"
    & skf18("3","9","2","10","7","6","1") = "9"
    & skf18("3","9","2","10","7","7","1") = "9"
    & skf18("3","9","2","10","7","8","1") = "9"
    & skf18("3","9","2","10","7","9","1") = "9"
    & skf18("3","9","2","10","7","10","1") = "9"
    & skf18("3","9","2","10","8","1","1") = "9"
    & skf18("3","9","2","10","8","2","1") = "9"
    & skf18("3","9","2","10","8","3","1") = "9"
    & skf18("3","9","2","10","8","4","1") = "9"
    & skf18("3","9","2","10","8","5","1") = "9"
    & skf18("3","9","2","10","8","6","1") = "9"
    & skf18("3","9","2","10","8","7","1") = "9"
    & skf18("3","9","2","10","8","8","1") = "9"
    & skf18("3","9","2","10","8","9","1") = "9"
    & skf18("3","9","2","10","8","10","1") = "9"
    & skf18("3","9","2","10","9","1","1") = "9"
    & skf18("3","9","2","10","9","2","1") = "9"
    & skf18("3","9","2","10","9","3","1") = "9"
    & skf18("3","9","2","10","9","4","1") = "9"
    & skf18("3","9","2","10","9","5","1") = "9"
    & skf18("3","9","2","10","9","6","1") = "9"
    & skf18("3","9","2","10","9","7","1") = "9"
    & skf18("3","9","2","10","9","8","1") = "9"
    & skf18("3","9","2","10","9","9","1") = "9"
    & skf18("3","9","2","10","9","10","1") = "9"
    & skf18("3","9","2","10","10","1","1") = "9"
    & skf18("3","9","2","10","10","2","1") = "9"
    & skf18("3","9","2","10","10","3","1") = "9"
    & skf18("3","9","2","10","10","4","1") = "9"
    & skf18("3","9","2","10","10","5","1") = "9"
    & skf18("3","9","2","10","10","6","1") = "9"
    & skf18("3","9","2","10","10","7","1") = "9"
    & skf18("3","9","2","10","10","8","1") = "9"
    & skf18("3","9","2","10","10","9","1") = "9"
    & skf18("3","9","2","10","10","10","1") = "9"
    & skf18("3","9","3","1","1","1","1") = "8"
    & skf18("3","9","3","1","1","2","1") = "8"
    & skf18("3","9","3","1","1","3","1") = "8"
    & skf18("3","9","3","1","1","4","1") = "8"
    & skf18("3","9","3","1","1","5","1") = "8"
    & skf18("3","9","3","1","1","6","1") = "8"
    & skf18("3","9","3","1","1","7","1") = "8"
    & skf18("3","9","3","1","1","8","1") = "8"
    & skf18("3","9","3","1","1","9","1") = "8"
    & skf18("3","9","3","1","1","10","1") = "9"
    & skf18("3","9","3","1","2","1","1") = "8"
    & skf18("3","9","3","1","2","2","1") = "8"
    & skf18("3","9","3","1","2","3","1") = "8"
    & skf18("3","9","3","1","2","4","1") = "8"
    & skf18("3","9","3","1","2","5","1") = "8"
    & skf18("3","9","3","1","2","6","1") = "8"
    & skf18("3","9","3","1","2","7","1") = "8"
    & skf18("3","9","3","1","2","8","1") = "8"
    & skf18("3","9","3","1","2","9","1") = "8"
    & skf18("3","9","3","1","2","10","1") = "9"
    & skf18("3","9","3","1","3","1","1") = "8"
    & skf18("3","9","3","1","3","2","1") = "8"
    & skf18("3","9","3","1","3","3","1") = "8"
    & skf18("3","9","3","1","3","4","1") = "8"
    & skf18("3","9","3","1","3","5","1") = "8"
    & skf18("3","9","3","1","3","6","1") = "8"
    & skf18("3","9","3","1","3","7","1") = "8"
    & skf18("3","9","3","1","3","8","1") = "8"
    & skf18("3","9","3","1","3","9","1") = "8"
    & skf18("3","9","3","1","3","10","1") = "9"
    & skf18("3","9","3","1","4","1","1") = "8"
    & skf18("3","9","3","1","4","2","1") = "8"
    & skf18("3","9","3","1","4","3","1") = "8"
    & skf18("3","9","3","1","4","4","1") = "8"
    & skf18("3","9","3","1","4","5","1") = "8"
    & skf18("3","9","3","1","4","6","1") = "8"
    & skf18("3","9","3","1","4","7","1") = "8"
    & skf18("3","9","3","1","4","8","1") = "8"
    & skf18("3","9","3","1","4","9","1") = "8"
    & skf18("3","9","3","1","4","10","1") = "9"
    & skf18("3","9","3","1","5","1","1") = "8"
    & skf18("3","9","3","1","5","2","1") = "8"
    & skf18("3","9","3","1","5","3","1") = "8"
    & skf18("3","9","3","1","5","4","1") = "8"
    & skf18("3","9","3","1","5","5","1") = "8"
    & skf18("3","9","3","1","5","6","1") = "8"
    & skf18("3","9","3","1","5","7","1") = "8"
    & skf18("3","9","3","1","5","8","1") = "8"
    & skf18("3","9","3","1","5","9","1") = "8"
    & skf18("3","9","3","1","5","10","1") = "9"
    & skf18("3","9","3","1","6","1","1") = "8"
    & skf18("3","9","3","1","6","2","1") = "8"
    & skf18("3","9","3","1","6","3","1") = "8"
    & skf18("3","9","3","1","6","4","1") = "8"
    & skf18("3","9","3","1","6","5","1") = "8"
    & skf18("3","9","3","1","6","6","1") = "8"
    & skf18("3","9","3","1","6","7","1") = "8"
    & skf18("3","9","3","1","6","8","1") = "8"
    & skf18("3","9","3","1","6","9","1") = "8"
    & skf18("3","9","3","1","6","10","1") = "9"
    & skf18("3","9","3","1","7","1","1") = "8"
    & skf18("3","9","3","1","7","2","1") = "8"
    & skf18("3","9","3","1","7","3","1") = "8"
    & skf18("3","9","3","1","7","4","1") = "8"
    & skf18("3","9","3","1","7","5","1") = "8"
    & skf18("3","9","3","1","7","6","1") = "8"
    & skf18("3","9","3","1","7","7","1") = "8"
    & skf18("3","9","3","1","7","8","1") = "8"
    & skf18("3","9","3","1","7","9","1") = "8"
    & skf18("3","9","3","1","7","10","1") = "9"
    & skf18("3","9","3","1","8","1","1") = "8"
    & skf18("3","9","3","1","8","2","1") = "8"
    & skf18("3","9","3","1","8","3","1") = "8"
    & skf18("3","9","3","1","8","4","1") = "8"
    & skf18("3","9","3","1","8","5","1") = "8"
    & skf18("3","9","3","1","8","6","1") = "8"
    & skf18("3","9","3","1","8","7","1") = "8"
    & skf18("3","9","3","1","8","8","1") = "8"
    & skf18("3","9","3","1","8","9","1") = "8"
    & skf18("3","9","3","1","8","10","1") = "9"
    & skf18("3","9","3","1","9","1","1") = "8"
    & skf18("3","9","3","1","9","2","1") = "8"
    & skf18("3","9","3","1","9","3","1") = "8"
    & skf18("3","9","3","1","9","4","1") = "8"
    & skf18("3","9","3","1","9","5","1") = "8"
    & skf18("3","9","3","1","9","6","1") = "8"
    & skf18("3","9","3","1","9","7","1") = "8"
    & skf18("3","9","3","1","9","8","1") = "8"
    & skf18("3","9","3","1","9","9","1") = "8"
    & skf18("3","9","3","1","9","10","1") = "9"
    & skf18("3","9","3","1","10","1","1") = "9"
    & skf18("3","9","3","1","10","2","1") = "9"
    & skf18("3","9","3","1","10","3","1") = "9"
    & skf18("3","9","3","1","10","4","1") = "9"
    & skf18("3","9","3","1","10","5","1") = "9"
    & skf18("3","9","3","1","10","6","1") = "9"
    & skf18("3","9","3","1","10","7","1") = "9"
    & skf18("3","9","3","1","10","8","1") = "9"
    & skf18("3","9","3","1","10","9","1") = "9"
    & skf18("3","9","3","1","10","10","1") = "9"
    & skf18("3","9","3","2","1","1","1") = "8"
    & skf18("3","9","3","2","1","2","1") = "8"
    & skf18("3","9","3","2","1","3","1") = "8"
    & skf18("3","9","3","2","1","4","1") = "8"
    & skf18("3","9","3","2","1","5","1") = "8"
    & skf18("3","9","3","2","1","6","1") = "8"
    & skf18("3","9","3","2","1","7","1") = "8"
    & skf18("3","9","3","2","1","8","1") = "8"
    & skf18("3","9","3","2","1","9","1") = "8"
    & skf18("3","9","3","2","1","10","1") = "9"
    & skf18("3","9","3","2","2","1","1") = "8"
    & skf18("3","9","3","2","2","2","1") = "8"
    & skf18("3","9","3","2","2","3","1") = "8"
    & skf18("3","9","3","2","2","4","1") = "8"
    & skf18("3","9","3","2","2","5","1") = "8"
    & skf18("3","9","3","2","2","6","1") = "8"
    & skf18("3","9","3","2","2","7","1") = "8"
    & skf18("3","9","3","2","2","8","1") = "8"
    & skf18("3","9","3","2","2","9","1") = "8"
    & skf18("3","9","3","2","2","10","1") = "9"
    & skf18("3","9","3","2","3","1","1") = "8"
    & skf18("3","9","3","2","3","2","1") = "8"
    & skf18("3","9","3","2","3","3","1") = "8"
    & skf18("3","9","3","2","3","4","1") = "8"
    & skf18("3","9","3","2","3","5","1") = "8"
    & skf18("3","9","3","2","3","6","1") = "8"
    & skf18("3","9","3","2","3","7","1") = "8"
    & skf18("3","9","3","2","3","8","1") = "8"
    & skf18("3","9","3","2","3","9","1") = "8"
    & skf18("3","9","3","2","3","10","1") = "9"
    & skf18("3","9","3","2","4","1","1") = "8"
    & skf18("3","9","3","2","4","2","1") = "8"
    & skf18("3","9","3","2","4","3","1") = "8"
    & skf18("3","9","3","2","4","4","1") = "8"
    & skf18("3","9","3","2","4","5","1") = "8"
    & skf18("3","9","3","2","4","6","1") = "8"
    & skf18("3","9","3","2","4","7","1") = "8"
    & skf18("3","9","3","2","4","8","1") = "8"
    & skf18("3","9","3","2","4","9","1") = "8"
    & skf18("3","9","3","2","4","10","1") = "9"
    & skf18("3","9","3","2","5","1","1") = "8"
    & skf18("3","9","3","2","5","2","1") = "8"
    & skf18("3","9","3","2","5","3","1") = "8"
    & skf18("3","9","3","2","5","4","1") = "8"
    & skf18("3","9","3","2","5","5","1") = "8"
    & skf18("3","9","3","2","5","6","1") = "8"
    & skf18("3","9","3","2","5","7","1") = "8"
    & skf18("3","9","3","2","5","8","1") = "8"
    & skf18("3","9","3","2","5","9","1") = "8"
    & skf18("3","9","3","2","5","10","1") = "9"
    & skf18("3","9","3","2","6","1","1") = "8"
    & skf18("3","9","3","2","6","2","1") = "8"
    & skf18("3","9","3","2","6","3","1") = "8"
    & skf18("3","9","3","2","6","4","1") = "8"
    & skf18("3","9","3","2","6","5","1") = "8"
    & skf18("3","9","3","2","6","6","1") = "8"
    & skf18("3","9","3","2","6","7","1") = "8"
    & skf18("3","9","3","2","6","8","1") = "8"
    & skf18("3","9","3","2","6","9","1") = "8"
    & skf18("3","9","3","2","6","10","1") = "9"
    & skf18("3","9","3","2","7","1","1") = "8"
    & skf18("3","9","3","2","7","2","1") = "8"
    & skf18("3","9","3","2","7","3","1") = "8"
    & skf18("3","9","3","2","7","4","1") = "8"
    & skf18("3","9","3","2","7","5","1") = "8"
    & skf18("3","9","3","2","7","6","1") = "8"
    & skf18("3","9","3","2","7","7","1") = "8"
    & skf18("3","9","3","2","7","8","1") = "8"
    & skf18("3","9","3","2","7","9","1") = "8"
    & skf18("3","9","3","2","7","10","1") = "9"
    & skf18("3","9","3","2","8","1","1") = "8"
    & skf18("3","9","3","2","8","2","1") = "8"
    & skf18("3","9","3","2","8","3","1") = "8"
    & skf18("3","9","3","2","8","4","1") = "8"
    & skf18("3","9","3","2","8","5","1") = "8"
    & skf18("3","9","3","2","8","6","1") = "8"
    & skf18("3","9","3","2","8","7","1") = "8"
    & skf18("3","9","3","2","8","8","1") = "8"
    & skf18("3","9","3","2","8","9","1") = "8"
    & skf18("3","9","3","2","8","10","1") = "9"
    & skf18("3","9","3","2","9","1","1") = "8"
    & skf18("3","9","3","2","9","2","1") = "8"
    & skf18("3","9","3","2","9","3","1") = "8"
    & skf18("3","9","3","2","9","4","1") = "8"
    & skf18("3","9","3","2","9","5","1") = "8"
    & skf18("3","9","3","2","9","6","1") = "8"
    & skf18("3","9","3","2","9","7","1") = "8"
    & skf18("3","9","3","2","9","8","1") = "8"
    & skf18("3","9","3","2","9","9","1") = "8"
    & skf18("3","9","3","2","9","10","1") = "9"
    & skf18("3","9","3","2","10","1","1") = "9"
    & skf18("3","9","3","2","10","2","1") = "9"
    & skf18("3","9","3","2","10","3","1") = "9"
    & skf18("3","9","3","2","10","4","1") = "9"
    & skf18("3","9","3","2","10","5","1") = "9"
    & skf18("3","9","3","2","10","6","1") = "9"
    & skf18("3","9","3","2","10","7","1") = "9"
    & skf18("3","9","3","2","10","8","1") = "9"
    & skf18("3","9","3","2","10","9","1") = "9"
    & skf18("3","9","3","2","10","10","1") = "9"
    & skf18("3","9","3","3","1","1","1") = "8"
    & skf18("3","9","3","3","1","2","1") = "8"
    & skf18("3","9","3","3","1","3","1") = "8"
    & skf18("3","9","3","3","1","4","1") = "8"
    & skf18("3","9","3","3","1","5","1") = "8"
    & skf18("3","9","3","3","1","6","1") = "8"
    & skf18("3","9","3","3","1","7","1") = "8"
    & skf18("3","9","3","3","1","8","1") = "8"
    & skf18("3","9","3","3","1","9","1") = "8"
    & skf18("3","9","3","3","1","10","1") = "9"
    & skf18("3","9","3","3","2","1","1") = "8"
    & skf18("3","9","3","3","2","2","1") = "8"
    & skf18("3","9","3","3","2","3","1") = "8"
    & skf18("3","9","3","3","2","4","1") = "8"
    & skf18("3","9","3","3","2","5","1") = "8"
    & skf18("3","9","3","3","2","6","1") = "8"
    & skf18("3","9","3","3","2","7","1") = "8"
    & skf18("3","9","3","3","2","8","1") = "8"
    & skf18("3","9","3","3","2","9","1") = "8"
    & skf18("3","9","3","3","2","10","1") = "9"
    & skf18("3","9","3","3","3","1","1") = "8"
    & skf18("3","9","3","3","3","2","1") = "8"
    & skf18("3","9","3","3","3","3","1") = "8"
    & skf18("3","9","3","3","3","4","1") = "8"
    & skf18("3","9","3","3","3","5","1") = "8"
    & skf18("3","9","3","3","3","6","1") = "8"
    & skf18("3","9","3","3","3","7","1") = "8"
    & skf18("3","9","3","3","3","8","1") = "8"
    & skf18("3","9","3","3","3","9","1") = "8"
    & skf18("3","9","3","3","3","10","1") = "9"
    & skf18("3","9","3","3","4","1","1") = "8"
    & skf18("3","9","3","3","4","2","1") = "8"
    & skf18("3","9","3","3","4","3","1") = "8"
    & skf18("3","9","3","3","4","4","1") = "8"
    & skf18("3","9","3","3","4","5","1") = "8"
    & skf18("3","9","3","3","4","6","1") = "8"
    & skf18("3","9","3","3","4","7","1") = "8"
    & skf18("3","9","3","3","4","8","1") = "8"
    & skf18("3","9","3","3","4","9","1") = "8"
    & skf18("3","9","3","3","4","10","1") = "9"
    & skf18("3","9","3","3","5","1","1") = "8"
    & skf18("3","9","3","3","5","2","1") = "8"
    & skf18("3","9","3","3","5","3","1") = "8"
    & skf18("3","9","3","3","5","4","1") = "8"
    & skf18("3","9","3","3","5","5","1") = "8"
    & skf18("3","9","3","3","5","6","1") = "8"
    & skf18("3","9","3","3","5","7","1") = "8"
    & skf18("3","9","3","3","5","8","1") = "8"
    & skf18("3","9","3","3","5","9","1") = "8"
    & skf18("3","9","3","3","5","10","1") = "9"
    & skf18("3","9","3","3","6","1","1") = "8"
    & skf18("3","9","3","3","6","2","1") = "8"
    & skf18("3","9","3","3","6","3","1") = "8"
    & skf18("3","9","3","3","6","4","1") = "8"
    & skf18("3","9","3","3","6","5","1") = "8"
    & skf18("3","9","3","3","6","6","1") = "8"
    & skf18("3","9","3","3","6","7","1") = "8"
    & skf18("3","9","3","3","6","8","1") = "8"
    & skf18("3","9","3","3","6","9","1") = "8"
    & skf18("3","9","3","3","6","10","1") = "9"
    & skf18("3","9","3","3","7","1","1") = "8"
    & skf18("3","9","3","3","7","2","1") = "8"
    & skf18("3","9","3","3","7","3","1") = "8"
    & skf18("3","9","3","3","7","4","1") = "8"
    & skf18("3","9","3","3","7","5","1") = "8"
    & skf18("3","9","3","3","7","6","1") = "8"
    & skf18("3","9","3","3","7","7","1") = "8"
    & skf18("3","9","3","3","7","8","1") = "8"
    & skf18("3","9","3","3","7","9","1") = "8"
    & skf18("3","9","3","3","7","10","1") = "9"
    & skf18("3","9","3","3","8","1","1") = "8"
    & skf18("3","9","3","3","8","2","1") = "8"
    & skf18("3","9","3","3","8","3","1") = "8"
    & skf18("3","9","3","3","8","4","1") = "8"
    & skf18("3","9","3","3","8","5","1") = "8"
    & skf18("3","9","3","3","8","6","1") = "8"
    & skf18("3","9","3","3","8","7","1") = "8"
    & skf18("3","9","3","3","8","8","1") = "8"
    & skf18("3","9","3","3","8","9","1") = "8"
    & skf18("3","9","3","3","8","10","1") = "9"
    & skf18("3","9","3","3","9","1","1") = "8"
    & skf18("3","9","3","3","9","2","1") = "8"
    & skf18("3","9","3","3","9","3","1") = "8"
    & skf18("3","9","3","3","9","4","1") = "8"
    & skf18("3","9","3","3","9","5","1") = "8"
    & skf18("3","9","3","3","9","6","1") = "8"
    & skf18("3","9","3","3","9","7","1") = "8"
    & skf18("3","9","3","3","9","8","1") = "8"
    & skf18("3","9","3","3","9","9","1") = "8"
    & skf18("3","9","3","3","9","10","1") = "9"
    & skf18("3","9","3","3","10","1","1") = "9"
    & skf18("3","9","3","3","10","2","1") = "9"
    & skf18("3","9","3","3","10","3","1") = "9"
    & skf18("3","9","3","3","10","4","1") = "9"
    & skf18("3","9","3","3","10","5","1") = "9"
    & skf18("3","9","3","3","10","6","1") = "9"
    & skf18("3","9","3","3","10","7","1") = "9"
    & skf18("3","9","3","3","10","8","1") = "9"
    & skf18("3","9","3","3","10","9","1") = "9"
    & skf18("3","9","3","3","10","10","1") = "9"
    & skf18("3","9","3","4","1","1","1") = "8"
    & skf18("3","9","3","4","1","2","1") = "8"
    & skf18("3","9","3","4","1","3","1") = "8"
    & skf18("3","9","3","4","1","4","1") = "8"
    & skf18("3","9","3","4","1","5","1") = "8"
    & skf18("3","9","3","4","1","6","1") = "8"
    & skf18("3","9","3","4","1","7","1") = "8"
    & skf18("3","9","3","4","1","8","1") = "8"
    & skf18("3","9","3","4","1","9","1") = "8"
    & skf18("3","9","3","4","1","10","1") = "9"
    & skf18("3","9","3","4","2","1","1") = "8"
    & skf18("3","9","3","4","2","2","1") = "8"
    & skf18("3","9","3","4","2","3","1") = "8"
    & skf18("3","9","3","4","2","4","1") = "8"
    & skf18("3","9","3","4","2","5","1") = "8"
    & skf18("3","9","3","4","2","6","1") = "8"
    & skf18("3","9","3","4","2","7","1") = "8"
    & skf18("3","9","3","4","2","8","1") = "8"
    & skf18("3","9","3","4","2","9","1") = "8"
    & skf18("3","9","3","4","2","10","1") = "9"
    & skf18("3","9","3","4","3","1","1") = "8"
    & skf18("3","9","3","4","3","2","1") = "8"
    & skf18("3","9","3","4","3","3","1") = "8"
    & skf18("3","9","3","4","3","4","1") = "8"
    & skf18("3","9","3","4","3","5","1") = "8"
    & skf18("3","9","3","4","3","6","1") = "8"
    & skf18("3","9","3","4","3","7","1") = "8"
    & skf18("3","9","3","4","3","8","1") = "8"
    & skf18("3","9","3","4","3","9","1") = "8"
    & skf18("3","9","3","4","3","10","1") = "9"
    & skf18("3","9","3","4","4","1","1") = "8"
    & skf18("3","9","3","4","4","2","1") = "8"
    & skf18("3","9","3","4","4","3","1") = "8"
    & skf18("3","9","3","4","4","4","1") = "8"
    & skf18("3","9","3","4","4","5","1") = "8"
    & skf18("3","9","3","4","4","6","1") = "8"
    & skf18("3","9","3","4","4","7","1") = "8"
    & skf18("3","9","3","4","4","8","1") = "8"
    & skf18("3","9","3","4","4","9","1") = "8"
    & skf18("3","9","3","4","4","10","1") = "9"
    & skf18("3","9","3","4","5","1","1") = "8"
    & skf18("3","9","3","4","5","2","1") = "8"
    & skf18("3","9","3","4","5","3","1") = "8"
    & skf18("3","9","3","4","5","4","1") = "8"
    & skf18("3","9","3","4","5","5","1") = "8"
    & skf18("3","9","3","4","5","6","1") = "8"
    & skf18("3","9","3","4","5","7","1") = "8"
    & skf18("3","9","3","4","5","8","1") = "8"
    & skf18("3","9","3","4","5","9","1") = "8"
    & skf18("3","9","3","4","5","10","1") = "9"
    & skf18("3","9","3","4","6","1","1") = "8"
    & skf18("3","9","3","4","6","2","1") = "8"
    & skf18("3","9","3","4","6","3","1") = "8"
    & skf18("3","9","3","4","6","4","1") = "8"
    & skf18("3","9","3","4","6","5","1") = "8"
    & skf18("3","9","3","4","6","6","1") = "8"
    & skf18("3","9","3","4","6","7","1") = "8"
    & skf18("3","9","3","4","6","8","1") = "8"
    & skf18("3","9","3","4","6","9","1") = "8"
    & skf18("3","9","3","4","6","10","1") = "9"
    & skf18("3","9","3","4","7","1","1") = "8"
    & skf18("3","9","3","4","7","2","1") = "8"
    & skf18("3","9","3","4","7","3","1") = "8"
    & skf18("3","9","3","4","7","4","1") = "8"
    & skf18("3","9","3","4","7","5","1") = "8"
    & skf18("3","9","3","4","7","6","1") = "8"
    & skf18("3","9","3","4","7","7","1") = "8"
    & skf18("3","9","3","4","7","8","1") = "8"
    & skf18("3","9","3","4","7","9","1") = "8"
    & skf18("3","9","3","4","7","10","1") = "9"
    & skf18("3","9","3","4","8","1","1") = "8"
    & skf18("3","9","3","4","8","2","1") = "8"
    & skf18("3","9","3","4","8","3","1") = "8"
    & skf18("3","9","3","4","8","4","1") = "8"
    & skf18("3","9","3","4","8","5","1") = "8"
    & skf18("3","9","3","4","8","6","1") = "8"
    & skf18("3","9","3","4","8","7","1") = "8"
    & skf18("3","9","3","4","8","8","1") = "8"
    & skf18("3","9","3","4","8","9","1") = "8"
    & skf18("3","9","3","4","8","10","1") = "9"
    & skf18("3","9","3","4","9","1","1") = "8"
    & skf18("3","9","3","4","9","2","1") = "8"
    & skf18("3","9","3","4","9","3","1") = "8"
    & skf18("3","9","3","4","9","4","1") = "8"
    & skf18("3","9","3","4","9","5","1") = "8"
    & skf18("3","9","3","4","9","6","1") = "8"
    & skf18("3","9","3","4","9","7","1") = "8"
    & skf18("3","9","3","4","9","8","1") = "8"
    & skf18("3","9","3","4","9","9","1") = "8"
    & skf18("3","9","3","4","9","10","1") = "9"
    & skf18("3","9","3","4","10","1","1") = "9"
    & skf18("3","9","3","4","10","2","1") = "9"
    & skf18("3","9","3","4","10","3","1") = "9"
    & skf18("3","9","3","4","10","4","1") = "9"
    & skf18("3","9","3","4","10","5","1") = "9"
    & skf18("3","9","3","4","10","6","1") = "9"
    & skf18("3","9","3","4","10","7","1") = "9"
    & skf18("3","9","3","4","10","8","1") = "9"
    & skf18("3","9","3","4","10","9","1") = "9"
    & skf18("3","9","3","4","10","10","1") = "9"
    & skf18("3","9","3","5","1","1","1") = "8"
    & skf18("3","9","3","5","1","2","1") = "8"
    & skf18("3","9","3","5","1","3","1") = "8"
    & skf18("3","9","3","5","1","4","1") = "8"
    & skf18("3","9","3","5","1","5","1") = "8"
    & skf18("3","9","3","5","1","6","1") = "8"
    & skf18("3","9","3","5","1","7","1") = "8"
    & skf18("3","9","3","5","1","8","1") = "8"
    & skf18("3","9","3","5","1","9","1") = "8"
    & skf18("3","9","3","5","1","10","1") = "9"
    & skf18("3","9","3","5","2","1","1") = "8"
    & skf18("3","9","3","5","2","2","1") = "8"
    & skf18("3","9","3","5","2","3","1") = "8"
    & skf18("3","9","3","5","2","4","1") = "8"
    & skf18("3","9","3","5","2","5","1") = "8"
    & skf18("3","9","3","5","2","6","1") = "8"
    & skf18("3","9","3","5","2","7","1") = "8"
    & skf18("3","9","3","5","2","8","1") = "8"
    & skf18("3","9","3","5","2","9","1") = "8"
    & skf18("3","9","3","5","2","10","1") = "9"
    & skf18("3","9","3","5","3","1","1") = "8"
    & skf18("3","9","3","5","3","2","1") = "8"
    & skf18("3","9","3","5","3","3","1") = "8"
    & skf18("3","9","3","5","3","4","1") = "8"
    & skf18("3","9","3","5","3","5","1") = "8"
    & skf18("3","9","3","5","3","6","1") = "8"
    & skf18("3","9","3","5","3","7","1") = "8"
    & skf18("3","9","3","5","3","8","1") = "8"
    & skf18("3","9","3","5","3","9","1") = "8"
    & skf18("3","9","3","5","3","10","1") = "9"
    & skf18("3","9","3","5","4","1","1") = "8"
    & skf18("3","9","3","5","4","2","1") = "8"
    & skf18("3","9","3","5","4","3","1") = "8"
    & skf18("3","9","3","5","4","4","1") = "8"
    & skf18("3","9","3","5","4","5","1") = "8"
    & skf18("3","9","3","5","4","6","1") = "8"
    & skf18("3","9","3","5","4","7","1") = "8"
    & skf18("3","9","3","5","4","8","1") = "8"
    & skf18("3","9","3","5","4","9","1") = "8"
    & skf18("3","9","3","5","4","10","1") = "9"
    & skf18("3","9","3","5","5","1","1") = "8"
    & skf18("3","9","3","5","5","2","1") = "8"
    & skf18("3","9","3","5","5","3","1") = "8"
    & skf18("3","9","3","5","5","4","1") = "8"
    & skf18("3","9","3","5","5","5","1") = "8"
    & skf18("3","9","3","5","5","6","1") = "8"
    & skf18("3","9","3","5","5","7","1") = "8"
    & skf18("3","9","3","5","5","8","1") = "8"
    & skf18("3","9","3","5","5","9","1") = "8"
    & skf18("3","9","3","5","5","10","1") = "9"
    & skf18("3","9","3","5","6","1","1") = "8"
    & skf18("3","9","3","5","6","2","1") = "8"
    & skf18("3","9","3","5","6","3","1") = "8"
    & skf18("3","9","3","5","6","4","1") = "8"
    & skf18("3","9","3","5","6","5","1") = "8"
    & skf18("3","9","3","5","6","6","1") = "8"
    & skf18("3","9","3","5","6","7","1") = "8"
    & skf18("3","9","3","5","6","8","1") = "8"
    & skf18("3","9","3","5","6","9","1") = "8"
    & skf18("3","9","3","5","6","10","1") = "9"
    & skf18("3","9","3","5","7","1","1") = "8"
    & skf18("3","9","3","5","7","2","1") = "8"
    & skf18("3","9","3","5","7","3","1") = "8"
    & skf18("3","9","3","5","7","4","1") = "8"
    & skf18("3","9","3","5","7","5","1") = "8"
    & skf18("3","9","3","5","7","6","1") = "8"
    & skf18("3","9","3","5","7","7","1") = "8"
    & skf18("3","9","3","5","7","8","1") = "8"
    & skf18("3","9","3","5","7","9","1") = "8"
    & skf18("3","9","3","5","7","10","1") = "9"
    & skf18("3","9","3","5","8","1","1") = "8"
    & skf18("3","9","3","5","8","2","1") = "8"
    & skf18("3","9","3","5","8","3","1") = "8"
    & skf18("3","9","3","5","8","4","1") = "8"
    & skf18("3","9","3","5","8","5","1") = "8"
    & skf18("3","9","3","5","8","6","1") = "8"
    & skf18("3","9","3","5","8","7","1") = "8"
    & skf18("3","9","3","5","8","8","1") = "8"
    & skf18("3","9","3","5","8","9","1") = "8"
    & skf18("3","9","3","5","8","10","1") = "9"
    & skf18("3","9","3","5","9","1","1") = "8"
    & skf18("3","9","3","5","9","2","1") = "8"
    & skf18("3","9","3","5","9","3","1") = "8"
    & skf18("3","9","3","5","9","4","1") = "8"
    & skf18("3","9","3","5","9","5","1") = "8"
    & skf18("3","9","3","5","9","6","1") = "8"
    & skf18("3","9","3","5","9","7","1") = "8"
    & skf18("3","9","3","5","9","8","1") = "8"
    & skf18("3","9","3","5","9","9","1") = "8"
    & skf18("3","9","3","5","9","10","1") = "9"
    & skf18("3","9","3","5","10","1","1") = "9"
    & skf18("3","9","3","5","10","2","1") = "9"
    & skf18("3","9","3","5","10","3","1") = "9"
    & skf18("3","9","3","5","10","4","1") = "9"
    & skf18("3","9","3","5","10","5","1") = "9"
    & skf18("3","9","3","5","10","6","1") = "9"
    & skf18("3","9","3","5","10","7","1") = "9"
    & skf18("3","9","3","5","10","8","1") = "9"
    & skf18("3","9","3","5","10","9","1") = "9"
    & skf18("3","9","3","5","10","10","1") = "9"
    & skf18("3","9","3","6","1","1","1") = "8"
    & skf18("3","9","3","6","1","2","1") = "8"
    & skf18("3","9","3","6","1","3","1") = "8"
    & skf18("3","9","3","6","1","4","1") = "8"
    & skf18("3","9","3","6","1","5","1") = "8"
    & skf18("3","9","3","6","1","6","1") = "8"
    & skf18("3","9","3","6","1","7","1") = "8"
    & skf18("3","9","3","6","1","8","1") = "8"
    & skf18("3","9","3","6","1","9","1") = "8"
    & skf18("3","9","3","6","1","10","1") = "9"
    & skf18("3","9","3","6","2","1","1") = "8"
    & skf18("3","9","3","6","2","2","1") = "8"
    & skf18("3","9","3","6","2","3","1") = "8"
    & skf18("3","9","3","6","2","4","1") = "8"
    & skf18("3","9","3","6","2","5","1") = "8"
    & skf18("3","9","3","6","2","6","1") = "8"
    & skf18("3","9","3","6","2","7","1") = "8"
    & skf18("3","9","3","6","2","8","1") = "8"
    & skf18("3","9","3","6","2","9","1") = "8"
    & skf18("3","9","3","6","2","10","1") = "9"
    & skf18("3","9","3","6","3","1","1") = "8"
    & skf18("3","9","3","6","3","2","1") = "8"
    & skf18("3","9","3","6","3","3","1") = "8"
    & skf18("3","9","3","6","3","4","1") = "8"
    & skf18("3","9","3","6","3","5","1") = "8"
    & skf18("3","9","3","6","3","6","1") = "8"
    & skf18("3","9","3","6","3","7","1") = "8"
    & skf18("3","9","3","6","3","8","1") = "8"
    & skf18("3","9","3","6","3","9","1") = "8"
    & skf18("3","9","3","6","3","10","1") = "9"
    & skf18("3","9","3","6","4","1","1") = "8"
    & skf18("3","9","3","6","4","2","1") = "8"
    & skf18("3","9","3","6","4","3","1") = "8"
    & skf18("3","9","3","6","4","4","1") = "8"
    & skf18("3","9","3","6","4","5","1") = "8"
    & skf18("3","9","3","6","4","6","1") = "8"
    & skf18("3","9","3","6","4","7","1") = "8"
    & skf18("3","9","3","6","4","8","1") = "8"
    & skf18("3","9","3","6","4","9","1") = "8"
    & skf18("3","9","3","6","4","10","1") = "9"
    & skf18("3","9","3","6","5","1","1") = "8"
    & skf18("3","9","3","6","5","2","1") = "8"
    & skf18("3","9","3","6","5","3","1") = "8"
    & skf18("3","9","3","6","5","4","1") = "8"
    & skf18("3","9","3","6","5","5","1") = "8"
    & skf18("3","9","3","6","5","6","1") = "8"
    & skf18("3","9","3","6","5","7","1") = "8"
    & skf18("3","9","3","6","5","8","1") = "8"
    & skf18("3","9","3","6","5","9","1") = "8"
    & skf18("3","9","3","6","5","10","1") = "9"
    & skf18("3","9","3","6","6","1","1") = "8"
    & skf18("3","9","3","6","6","2","1") = "8"
    & skf18("3","9","3","6","6","3","1") = "8"
    & skf18("3","9","3","6","6","4","1") = "8"
    & skf18("3","9","3","6","6","5","1") = "8"
    & skf18("3","9","3","6","6","6","1") = "8"
    & skf18("3","9","3","6","6","7","1") = "8"
    & skf18("3","9","3","6","6","8","1") = "8"
    & skf18("3","9","3","6","6","9","1") = "8"
    & skf18("3","9","3","6","6","10","1") = "9"
    & skf18("3","9","3","6","7","1","1") = "8"
    & skf18("3","9","3","6","7","2","1") = "8"
    & skf18("3","9","3","6","7","3","1") = "8"
    & skf18("3","9","3","6","7","4","1") = "8"
    & skf18("3","9","3","6","7","5","1") = "8"
    & skf18("3","9","3","6","7","6","1") = "8"
    & skf18("3","9","3","6","7","7","1") = "8"
    & skf18("3","9","3","6","7","8","1") = "8"
    & skf18("3","9","3","6","7","9","1") = "8"
    & skf18("3","9","3","6","7","10","1") = "9"
    & skf18("3","9","3","6","8","1","1") = "8"
    & skf18("3","9","3","6","8","2","1") = "8"
    & skf18("3","9","3","6","8","3","1") = "8"
    & skf18("3","9","3","6","8","4","1") = "8"
    & skf18("3","9","3","6","8","5","1") = "8"
    & skf18("3","9","3","6","8","6","1") = "8"
    & skf18("3","9","3","6","8","7","1") = "8"
    & skf18("3","9","3","6","8","8","1") = "8"
    & skf18("3","9","3","6","8","9","1") = "8"
    & skf18("3","9","3","6","8","10","1") = "9"
    & skf18("3","9","3","6","9","1","1") = "8"
    & skf18("3","9","3","6","9","2","1") = "8"
    & skf18("3","9","3","6","9","3","1") = "8"
    & skf18("3","9","3","6","9","4","1") = "8"
    & skf18("3","9","3","6","9","5","1") = "8"
    & skf18("3","9","3","6","9","6","1") = "8"
    & skf18("3","9","3","6","9","7","1") = "8"
    & skf18("3","9","3","6","9","8","1") = "8"
    & skf18("3","9","3","6","9","9","1") = "8"
    & skf18("3","9","3","6","9","10","1") = "9"
    & skf18("3","9","3","6","10","1","1") = "9"
    & skf18("3","9","3","6","10","2","1") = "9"
    & skf18("3","9","3","6","10","3","1") = "9"
    & skf18("3","9","3","6","10","4","1") = "9"
    & skf18("3","9","3","6","10","5","1") = "9"
    & skf18("3","9","3","6","10","6","1") = "9"
    & skf18("3","9","3","6","10","7","1") = "9"
    & skf18("3","9","3","6","10","8","1") = "9"
    & skf18("3","9","3","6","10","9","1") = "9"
    & skf18("3","9","3","6","10","10","1") = "9"
    & skf18("3","9","3","7","1","1","1") = "8"
    & skf18("3","9","3","7","1","2","1") = "8"
    & skf18("3","9","3","7","1","3","1") = "8"
    & skf18("3","9","3","7","1","4","1") = "8"
    & skf18("3","9","3","7","1","5","1") = "8"
    & skf18("3","9","3","7","1","6","1") = "8"
    & skf18("3","9","3","7","1","7","1") = "8"
    & skf18("3","9","3","7","1","8","1") = "8"
    & skf18("3","9","3","7","1","9","1") = "8"
    & skf18("3","9","3","7","1","10","1") = "9"
    & skf18("3","9","3","7","2","1","1") = "8"
    & skf18("3","9","3","7","2","2","1") = "8"
    & skf18("3","9","3","7","2","3","1") = "8"
    & skf18("3","9","3","7","2","4","1") = "8"
    & skf18("3","9","3","7","2","5","1") = "8"
    & skf18("3","9","3","7","2","6","1") = "8"
    & skf18("3","9","3","7","2","7","1") = "8"
    & skf18("3","9","3","7","2","8","1") = "8"
    & skf18("3","9","3","7","2","9","1") = "8"
    & skf18("3","9","3","7","2","10","1") = "9"
    & skf18("3","9","3","7","3","1","1") = "8"
    & skf18("3","9","3","7","3","2","1") = "8"
    & skf18("3","9","3","7","3","3","1") = "8"
    & skf18("3","9","3","7","3","4","1") = "8"
    & skf18("3","9","3","7","3","5","1") = "8"
    & skf18("3","9","3","7","3","6","1") = "8"
    & skf18("3","9","3","7","3","7","1") = "8"
    & skf18("3","9","3","7","3","8","1") = "8"
    & skf18("3","9","3","7","3","9","1") = "8"
    & skf18("3","9","3","7","3","10","1") = "9"
    & skf18("3","9","3","7","4","1","1") = "8"
    & skf18("3","9","3","7","4","2","1") = "8"
    & skf18("3","9","3","7","4","3","1") = "8"
    & skf18("3","9","3","7","4","4","1") = "8"
    & skf18("3","9","3","7","4","5","1") = "8"
    & skf18("3","9","3","7","4","6","1") = "8"
    & skf18("3","9","3","7","4","7","1") = "8"
    & skf18("3","9","3","7","4","8","1") = "8"
    & skf18("3","9","3","7","4","9","1") = "8"
    & skf18("3","9","3","7","4","10","1") = "9"
    & skf18("3","9","3","7","5","1","1") = "8"
    & skf18("3","9","3","7","5","2","1") = "8"
    & skf18("3","9","3","7","5","3","1") = "8"
    & skf18("3","9","3","7","5","4","1") = "8"
    & skf18("3","9","3","7","5","5","1") = "8"
    & skf18("3","9","3","7","5","6","1") = "8"
    & skf18("3","9","3","7","5","7","1") = "8"
    & skf18("3","9","3","7","5","8","1") = "8"
    & skf18("3","9","3","7","5","9","1") = "8"
    & skf18("3","9","3","7","5","10","1") = "9"
    & skf18("3","9","3","7","6","1","1") = "8"
    & skf18("3","9","3","7","6","2","1") = "8"
    & skf18("3","9","3","7","6","3","1") = "8"
    & skf18("3","9","3","7","6","4","1") = "8"
    & skf18("3","9","3","7","6","5","1") = "8"
    & skf18("3","9","3","7","6","6","1") = "8"
    & skf18("3","9","3","7","6","7","1") = "8"
    & skf18("3","9","3","7","6","8","1") = "8"
    & skf18("3","9","3","7","6","9","1") = "8"
    & skf18("3","9","3","7","6","10","1") = "9"
    & skf18("3","9","3","7","7","1","1") = "8"
    & skf18("3","9","3","7","7","2","1") = "8"
    & skf18("3","9","3","7","7","3","1") = "8"
    & skf18("3","9","3","7","7","4","1") = "8"
    & skf18("3","9","3","7","7","5","1") = "8"
    & skf18("3","9","3","7","7","6","1") = "8"
    & skf18("3","9","3","7","7","7","1") = "8"
    & skf18("3","9","3","7","7","8","1") = "8"
    & skf18("3","9","3","7","7","9","1") = "8"
    & skf18("3","9","3","7","7","10","1") = "9"
    & skf18("3","9","3","7","8","1","1") = "8"
    & skf18("3","9","3","7","8","2","1") = "8"
    & skf18("3","9","3","7","8","3","1") = "8"
    & skf18("3","9","3","7","8","4","1") = "8"
    & skf18("3","9","3","7","8","5","1") = "8"
    & skf18("3","9","3","7","8","6","1") = "8"
    & skf18("3","9","3","7","8","7","1") = "8"
    & skf18("3","9","3","7","8","8","1") = "8"
    & skf18("3","9","3","7","8","9","1") = "8"
    & skf18("3","9","3","7","8","10","1") = "9"
    & skf18("3","9","3","7","9","1","1") = "8"
    & skf18("3","9","3","7","9","2","1") = "8"
    & skf18("3","9","3","7","9","3","1") = "8"
    & skf18("3","9","3","7","9","4","1") = "8"
    & skf18("3","9","3","7","9","5","1") = "8"
    & skf18("3","9","3","7","9","6","1") = "8"
    & skf18("3","9","3","7","9","7","1") = "8"
    & skf18("3","9","3","7","9","8","1") = "8"
    & skf18("3","9","3","7","9","9","1") = "8"
    & skf18("3","9","3","7","9","10","1") = "9"
    & skf18("3","9","3","7","10","1","1") = "9"
    & skf18("3","9","3","7","10","2","1") = "9"
    & skf18("3","9","3","7","10","3","1") = "9"
    & skf18("3","9","3","7","10","4","1") = "9"
    & skf18("3","9","3","7","10","5","1") = "9"
    & skf18("3","9","3","7","10","6","1") = "9"
    & skf18("3","9","3","7","10","7","1") = "9"
    & skf18("3","9","3","7","10","8","1") = "9"
    & skf18("3","9","3","7","10","9","1") = "9"
    & skf18("3","9","3","7","10","10","1") = "9"
    & skf18("3","9","3","8","1","1","1") = "8"
    & skf18("3","9","3","8","1","2","1") = "8"
    & skf18("3","9","3","8","1","3","1") = "8"
    & skf18("3","9","3","8","1","4","1") = "8"
    & skf18("3","9","3","8","1","5","1") = "8"
    & skf18("3","9","3","8","1","6","1") = "8"
    & skf18("3","9","3","8","1","7","1") = "8"
    & skf18("3","9","3","8","1","8","1") = "8"
    & skf18("3","9","3","8","1","9","1") = "8"
    & skf18("3","9","3","8","1","10","1") = "9"
    & skf18("3","9","3","8","2","1","1") = "8"
    & skf18("3","9","3","8","2","2","1") = "8"
    & skf18("3","9","3","8","2","3","1") = "8"
    & skf18("3","9","3","8","2","4","1") = "8"
    & skf18("3","9","3","8","2","5","1") = "8"
    & skf18("3","9","3","8","2","6","1") = "8"
    & skf18("3","9","3","8","2","7","1") = "8"
    & skf18("3","9","3","8","2","8","1") = "8"
    & skf18("3","9","3","8","2","9","1") = "8"
    & skf18("3","9","3","8","2","10","1") = "9"
    & skf18("3","9","3","8","3","1","1") = "8"
    & skf18("3","9","3","8","3","2","1") = "8"
    & skf18("3","9","3","8","3","3","1") = "8"
    & skf18("3","9","3","8","3","4","1") = "8"
    & skf18("3","9","3","8","3","5","1") = "8"
    & skf18("3","9","3","8","3","6","1") = "8"
    & skf18("3","9","3","8","3","7","1") = "8"
    & skf18("3","9","3","8","3","8","1") = "8"
    & skf18("3","9","3","8","3","9","1") = "8"
    & skf18("3","9","3","8","3","10","1") = "9"
    & skf18("3","9","3","8","4","1","1") = "8"
    & skf18("3","9","3","8","4","2","1") = "8"
    & skf18("3","9","3","8","4","3","1") = "8"
    & skf18("3","9","3","8","4","4","1") = "8"
    & skf18("3","9","3","8","4","5","1") = "8"
    & skf18("3","9","3","8","4","6","1") = "8"
    & skf18("3","9","3","8","4","7","1") = "8"
    & skf18("3","9","3","8","4","8","1") = "8"
    & skf18("3","9","3","8","4","9","1") = "8"
    & skf18("3","9","3","8","4","10","1") = "9"
    & skf18("3","9","3","8","5","1","1") = "8"
    & skf18("3","9","3","8","5","2","1") = "8"
    & skf18("3","9","3","8","5","3","1") = "8"
    & skf18("3","9","3","8","5","4","1") = "8"
    & skf18("3","9","3","8","5","5","1") = "8"
    & skf18("3","9","3","8","5","6","1") = "8"
    & skf18("3","9","3","8","5","7","1") = "8"
    & skf18("3","9","3","8","5","8","1") = "8"
    & skf18("3","9","3","8","5","9","1") = "8"
    & skf18("3","9","3","8","5","10","1") = "9"
    & skf18("3","9","3","8","6","1","1") = "8"
    & skf18("3","9","3","8","6","2","1") = "8"
    & skf18("3","9","3","8","6","3","1") = "8"
    & skf18("3","9","3","8","6","4","1") = "8"
    & skf18("3","9","3","8","6","5","1") = "8"
    & skf18("3","9","3","8","6","6","1") = "8"
    & skf18("3","9","3","8","6","7","1") = "8"
    & skf18("3","9","3","8","6","8","1") = "8"
    & skf18("3","9","3","8","6","9","1") = "8"
    & skf18("3","9","3","8","6","10","1") = "9"
    & skf18("3","9","3","8","7","1","1") = "8"
    & skf18("3","9","3","8","7","2","1") = "8"
    & skf18("3","9","3","8","7","3","1") = "8"
    & skf18("3","9","3","8","7","4","1") = "8"
    & skf18("3","9","3","8","7","5","1") = "8"
    & skf18("3","9","3","8","7","6","1") = "8"
    & skf18("3","9","3","8","7","7","1") = "8"
    & skf18("3","9","3","8","7","8","1") = "8"
    & skf18("3","9","3","8","7","9","1") = "8"
    & skf18("3","9","3","8","7","10","1") = "9"
    & skf18("3","9","3","8","8","1","1") = "8"
    & skf18("3","9","3","8","8","2","1") = "8"
    & skf18("3","9","3","8","8","3","1") = "8"
    & skf18("3","9","3","8","8","4","1") = "8"
    & skf18("3","9","3","8","8","5","1") = "8"
    & skf18("3","9","3","8","8","6","1") = "8"
    & skf18("3","9","3","8","8","7","1") = "8"
    & skf18("3","9","3","8","8","8","1") = "8"
    & skf18("3","9","3","8","8","9","1") = "8"
    & skf18("3","9","3","8","8","10","1") = "9"
    & skf18("3","9","3","8","9","1","1") = "8"
    & skf18("3","9","3","8","9","2","1") = "8"
    & skf18("3","9","3","8","9","3","1") = "8"
    & skf18("3","9","3","8","9","4","1") = "8"
    & skf18("3","9","3","8","9","5","1") = "8"
    & skf18("3","9","3","8","9","6","1") = "8"
    & skf18("3","9","3","8","9","7","1") = "8"
    & skf18("3","9","3","8","9","8","1") = "8"
    & skf18("3","9","3","8","9","9","1") = "8"
    & skf18("3","9","3","8","9","10","1") = "9"
    & skf18("3","9","3","8","10","1","1") = "9"
    & skf18("3","9","3","8","10","2","1") = "9"
    & skf18("3","9","3","8","10","3","1") = "9"
    & skf18("3","9","3","8","10","4","1") = "9"
    & skf18("3","9","3","8","10","5","1") = "9"
    & skf18("3","9","3","8","10","6","1") = "9"
    & skf18("3","9","3","8","10","7","1") = "9"
    & skf18("3","9","3","8","10","8","1") = "9"
    & skf18("3","9","3","8","10","9","1") = "9"
    & skf18("3","9","3","8","10","10","1") = "9"
    & skf18("3","9","3","9","1","1","1") = "8"
    & skf18("3","9","3","9","1","2","1") = "8"
    & skf18("3","9","3","9","1","3","1") = "8"
    & skf18("3","9","3","9","1","4","1") = "8"
    & skf18("3","9","3","9","1","5","1") = "8"
    & skf18("3","9","3","9","1","6","1") = "8"
    & skf18("3","9","3","9","1","7","1") = "8"
    & skf18("3","9","3","9","1","8","1") = "8"
    & skf18("3","9","3","9","1","9","1") = "8"
    & skf18("3","9","3","9","1","10","1") = "9"
    & skf18("3","9","3","9","2","1","1") = "8"
    & skf18("3","9","3","9","2","2","1") = "8"
    & skf18("3","9","3","9","2","3","1") = "8"
    & skf18("3","9","3","9","2","4","1") = "8"
    & skf18("3","9","3","9","2","5","1") = "8"
    & skf18("3","9","3","9","2","6","1") = "8"
    & skf18("3","9","3","9","2","7","1") = "8"
    & skf18("3","9","3","9","2","8","1") = "8"
    & skf18("3","9","3","9","2","9","1") = "8"
    & skf18("3","9","3","9","2","10","1") = "9"
    & skf18("3","9","3","9","3","1","1") = "8"
    & skf18("3","9","3","9","3","2","1") = "8"
    & skf18("3","9","3","9","3","3","1") = "8"
    & skf18("3","9","3","9","3","4","1") = "8"
    & skf18("3","9","3","9","3","5","1") = "8"
    & skf18("3","9","3","9","3","6","1") = "8"
    & skf18("3","9","3","9","3","7","1") = "8"
    & skf18("3","9","3","9","3","8","1") = "8"
    & skf18("3","9","3","9","3","9","1") = "8"
    & skf18("3","9","3","9","3","10","1") = "9"
    & skf18("3","9","3","9","4","1","1") = "8"
    & skf18("3","9","3","9","4","2","1") = "8"
    & skf18("3","9","3","9","4","3","1") = "8"
    & skf18("3","9","3","9","4","4","1") = "8"
    & skf18("3","9","3","9","4","5","1") = "8"
    & skf18("3","9","3","9","4","6","1") = "8"
    & skf18("3","9","3","9","4","7","1") = "8"
    & skf18("3","9","3","9","4","8","1") = "8"
    & skf18("3","9","3","9","4","9","1") = "8"
    & skf18("3","9","3","9","4","10","1") = "9"
    & skf18("3","9","3","9","5","1","1") = "8"
    & skf18("3","9","3","9","5","2","1") = "8"
    & skf18("3","9","3","9","5","3","1") = "8"
    & skf18("3","9","3","9","5","4","1") = "8"
    & skf18("3","9","3","9","5","5","1") = "8"
    & skf18("3","9","3","9","5","6","1") = "8"
    & skf18("3","9","3","9","5","7","1") = "8"
    & skf18("3","9","3","9","5","8","1") = "8"
    & skf18("3","9","3","9","5","9","1") = "8"
    & skf18("3","9","3","9","5","10","1") = "9"
    & skf18("3","9","3","9","6","1","1") = "8"
    & skf18("3","9","3","9","6","2","1") = "8"
    & skf18("3","9","3","9","6","3","1") = "8"
    & skf18("3","9","3","9","6","4","1") = "8"
    & skf18("3","9","3","9","6","5","1") = "8"
    & skf18("3","9","3","9","6","6","1") = "8"
    & skf18("3","9","3","9","6","7","1") = "8"
    & skf18("3","9","3","9","6","8","1") = "8"
    & skf18("3","9","3","9","6","9","1") = "8"
    & skf18("3","9","3","9","6","10","1") = "9"
    & skf18("3","9","3","9","7","1","1") = "8"
    & skf18("3","9","3","9","7","2","1") = "8"
    & skf18("3","9","3","9","7","3","1") = "8"
    & skf18("3","9","3","9","7","4","1") = "8"
    & skf18("3","9","3","9","7","5","1") = "8"
    & skf18("3","9","3","9","7","6","1") = "8"
    & skf18("3","9","3","9","7","7","1") = "8"
    & skf18("3","9","3","9","7","8","1") = "8"
    & skf18("3","9","3","9","7","9","1") = "8"
    & skf18("3","9","3","9","7","10","1") = "9"
    & skf18("3","9","3","9","8","1","1") = "8"
    & skf18("3","9","3","9","8","2","1") = "8"
    & skf18("3","9","3","9","8","3","1") = "8"
    & skf18("3","9","3","9","8","4","1") = "8"
    & skf18("3","9","3","9","8","5","1") = "8"
    & skf18("3","9","3","9","8","6","1") = "8"
    & skf18("3","9","3","9","8","7","1") = "8"
    & skf18("3","9","3","9","8","8","1") = "8"
    & skf18("3","9","3","9","8","9","1") = "8"
    & skf18("3","9","3","9","8","10","1") = "9"
    & skf18("3","9","3","9","9","1","1") = "8"
    & skf18("3","9","3","9","9","2","1") = "8"
    & skf18("3","9","3","9","9","3","1") = "8"
    & skf18("3","9","3","9","9","4","1") = "8"
    & skf18("3","9","3","9","9","5","1") = "8"
    & skf18("3","9","3","9","9","6","1") = "8"
    & skf18("3","9","3","9","9","7","1") = "8"
    & skf18("3","9","3","9","9","8","1") = "8"
    & skf18("3","9","3","9","9","9","1") = "8"
    & skf18("3","9","3","9","9","10","1") = "9"
    & skf18("3","9","3","9","10","1","1") = "9"
    & skf18("3","9","3","9","10","2","1") = "9"
    & skf18("3","9","3","9","10","3","1") = "9"
    & skf18("3","9","3","9","10","4","1") = "9"
    & skf18("3","9","3","9","10","5","1") = "9"
    & skf18("3","9","3","9","10","6","1") = "9"
    & skf18("3","9","3","9","10","7","1") = "9"
    & skf18("3","9","3","9","10","8","1") = "9"
    & skf18("3","9","3","9","10","9","1") = "9"
    & skf18("3","9","3","9","10","10","1") = "9"
    & skf18("3","9","3","10","1","1","1") = "9"
    & skf18("3","9","3","10","1","2","1") = "9"
    & skf18("3","9","3","10","1","3","1") = "9"
    & skf18("3","9","3","10","1","4","1") = "9"
    & skf18("3","9","3","10","1","5","1") = "9"
    & skf18("3","9","3","10","1","6","1") = "9"
    & skf18("3","9","3","10","1","7","1") = "9"
    & skf18("3","9","3","10","1","8","1") = "9"
    & skf18("3","9","3","10","1","9","1") = "9"
    & skf18("3","9","3","10","1","10","1") = "9"
    & skf18("3","9","3","10","2","1","1") = "9"
    & skf18("3","9","3","10","2","2","1") = "9"
    & skf18("3","9","3","10","2","3","1") = "9"
    & skf18("3","9","3","10","2","4","1") = "9"
    & skf18("3","9","3","10","2","5","1") = "9"
    & skf18("3","9","3","10","2","6","1") = "9"
    & skf18("3","9","3","10","2","7","1") = "9"
    & skf18("3","9","3","10","2","8","1") = "9"
    & skf18("3","9","3","10","2","9","1") = "9"
    & skf18("3","9","3","10","2","10","1") = "9"
    & skf18("3","9","3","10","3","1","1") = "9"
    & skf18("3","9","3","10","3","2","1") = "9"
    & skf18("3","9","3","10","3","3","1") = "9"
    & skf18("3","9","3","10","3","4","1") = "9"
    & skf18("3","9","3","10","3","5","1") = "9"
    & skf18("3","9","3","10","3","6","1") = "9"
    & skf18("3","9","3","10","3","7","1") = "9"
    & skf18("3","9","3","10","3","8","1") = "9"
    & skf18("3","9","3","10","3","9","1") = "9"
    & skf18("3","9","3","10","3","10","1") = "9"
    & skf18("3","9","3","10","4","1","1") = "9"
    & skf18("3","9","3","10","4","2","1") = "9"
    & skf18("3","9","3","10","4","3","1") = "9"
    & skf18("3","9","3","10","4","4","1") = "9"
    & skf18("3","9","3","10","4","5","1") = "9"
    & skf18("3","9","3","10","4","6","1") = "9"
    & skf18("3","9","3","10","4","7","1") = "9"
    & skf18("3","9","3","10","4","8","1") = "9"
    & skf18("3","9","3","10","4","9","1") = "9"
    & skf18("3","9","3","10","4","10","1") = "9"
    & skf18("3","9","3","10","5","1","1") = "9"
    & skf18("3","9","3","10","5","2","1") = "9"
    & skf18("3","9","3","10","5","3","1") = "9"
    & skf18("3","9","3","10","5","4","1") = "9"
    & skf18("3","9","3","10","5","5","1") = "9"
    & skf18("3","9","3","10","5","6","1") = "9"
    & skf18("3","9","3","10","5","7","1") = "9"
    & skf18("3","9","3","10","5","8","1") = "9"
    & skf18("3","9","3","10","5","9","1") = "9"
    & skf18("3","9","3","10","5","10","1") = "9"
    & skf18("3","9","3","10","6","1","1") = "9"
    & skf18("3","9","3","10","6","2","1") = "9"
    & skf18("3","9","3","10","6","3","1") = "9"
    & skf18("3","9","3","10","6","4","1") = "9"
    & skf18("3","9","3","10","6","5","1") = "9"
    & skf18("3","9","3","10","6","6","1") = "9"
    & skf18("3","9","3","10","6","7","1") = "9"
    & skf18("3","9","3","10","6","8","1") = "9"
    & skf18("3","9","3","10","6","9","1") = "9"
    & skf18("3","9","3","10","6","10","1") = "9"
    & skf18("3","9","3","10","7","1","1") = "9"
    & skf18("3","9","3","10","7","2","1") = "9"
    & skf18("3","9","3","10","7","3","1") = "9"
    & skf18("3","9","3","10","7","4","1") = "9"
    & skf18("3","9","3","10","7","5","1") = "9"
    & skf18("3","9","3","10","7","6","1") = "9"
    & skf18("3","9","3","10","7","7","1") = "9"
    & skf18("3","9","3","10","7","8","1") = "9"
    & skf18("3","9","3","10","7","9","1") = "9"
    & skf18("3","9","3","10","7","10","1") = "9"
    & skf18("3","9","3","10","8","1","1") = "9"
    & skf18("3","9","3","10","8","2","1") = "9"
    & skf18("3","9","3","10","8","3","1") = "9"
    & skf18("3","9","3","10","8","4","1") = "9"
    & skf18("3","9","3","10","8","5","1") = "9"
    & skf18("3","9","3","10","8","6","1") = "9"
    & skf18("3","9","3","10","8","7","1") = "9"
    & skf18("3","9","3","10","8","8","1") = "9"
    & skf18("3","9","3","10","8","9","1") = "9"
    & skf18("3","9","3","10","8","10","1") = "9"
    & skf18("3","9","3","10","9","1","1") = "9"
    & skf18("3","9","3","10","9","2","1") = "9"
    & skf18("3","9","3","10","9","3","1") = "9"
    & skf18("3","9","3","10","9","4","1") = "9"
    & skf18("3","9","3","10","9","5","1") = "9"
    & skf18("3","9","3","10","9","6","1") = "9"
    & skf18("3","9","3","10","9","7","1") = "9"
    & skf18("3","9","3","10","9","8","1") = "9"
    & skf18("3","9","3","10","9","9","1") = "9"
    & skf18("3","9","3","10","9","10","1") = "9"
    & skf18("3","9","3","10","10","1","1") = "9"
    & skf18("3","9","3","10","10","2","1") = "9"
    & skf18("3","9","3","10","10","3","1") = "9"
    & skf18("3","9","3","10","10","4","1") = "9"
    & skf18("3","9","3","10","10","5","1") = "9"
    & skf18("3","9","3","10","10","6","1") = "9"
    & skf18("3","9","3","10","10","7","1") = "9"
    & skf18("3","9","3","10","10","8","1") = "9"
    & skf18("3","9","3","10","10","9","1") = "9"
    & skf18("3","9","3","10","10","10","1") = "9"
    & skf18("3","9","4","1","1","1","1") = "8"
    & skf18("3","9","4","1","1","2","1") = "8"
    & skf18("3","9","4","1","1","3","1") = "8"
    & skf18("3","9","4","1","1","4","1") = "8"
    & skf18("3","9","4","1","1","5","1") = "8"
    & skf18("3","9","4","1","1","6","1") = "8"
    & skf18("3","9","4","1","1","7","1") = "8"
    & skf18("3","9","4","1","1","8","1") = "8"
    & skf18("3","9","4","1","1","9","1") = "8"
    & skf18("3","9","4","1","1","10","1") = "9"
    & skf18("3","9","4","1","2","1","1") = "8"
    & skf18("3","9","4","1","2","2","1") = "8"
    & skf18("3","9","4","1","2","3","1") = "8"
    & skf18("3","9","4","1","2","4","1") = "8"
    & skf18("3","9","4","1","2","5","1") = "8"
    & skf18("3","9","4","1","2","6","1") = "8"
    & skf18("3","9","4","1","2","7","1") = "8"
    & skf18("3","9","4","1","2","8","1") = "8"
    & skf18("3","9","4","1","2","9","1") = "8"
    & skf18("3","9","4","1","2","10","1") = "9"
    & skf18("3","9","4","1","3","1","1") = "8"
    & skf18("3","9","4","1","3","2","1") = "8"
    & skf18("3","9","4","1","3","3","1") = "8"
    & skf18("3","9","4","1","3","4","1") = "8"
    & skf18("3","9","4","1","3","5","1") = "8"
    & skf18("3","9","4","1","3","6","1") = "8"
    & skf18("3","9","4","1","3","7","1") = "8"
    & skf18("3","9","4","1","3","8","1") = "8"
    & skf18("3","9","4","1","3","9","1") = "8"
    & skf18("3","9","4","1","3","10","1") = "9"
    & skf18("3","9","4","1","4","1","1") = "8"
    & skf18("3","9","4","1","4","2","1") = "8"
    & skf18("3","9","4","1","4","3","1") = "8"
    & skf18("3","9","4","1","4","4","1") = "8"
    & skf18("3","9","4","1","4","5","1") = "8"
    & skf18("3","9","4","1","4","6","1") = "8"
    & skf18("3","9","4","1","4","7","1") = "8"
    & skf18("3","9","4","1","4","8","1") = "8"
    & skf18("3","9","4","1","4","9","1") = "8"
    & skf18("3","9","4","1","4","10","1") = "9"
    & skf18("3","9","4","1","5","1","1") = "8"
    & skf18("3","9","4","1","5","2","1") = "8"
    & skf18("3","9","4","1","5","3","1") = "8"
    & skf18("3","9","4","1","5","4","1") = "8"
    & skf18("3","9","4","1","5","5","1") = "8"
    & skf18("3","9","4","1","5","6","1") = "8"
    & skf18("3","9","4","1","5","7","1") = "8"
    & skf18("3","9","4","1","5","8","1") = "8"
    & skf18("3","9","4","1","5","9","1") = "8"
    & skf18("3","9","4","1","5","10","1") = "9"
    & skf18("3","9","4","1","6","1","1") = "8"
    & skf18("3","9","4","1","6","2","1") = "8"
    & skf18("3","9","4","1","6","3","1") = "8"
    & skf18("3","9","4","1","6","4","1") = "8"
    & skf18("3","9","4","1","6","5","1") = "8"
    & skf18("3","9","4","1","6","6","1") = "8"
    & skf18("3","9","4","1","6","7","1") = "8"
    & skf18("3","9","4","1","6","8","1") = "8"
    & skf18("3","9","4","1","6","9","1") = "8"
    & skf18("3","9","4","1","6","10","1") = "9"
    & skf18("3","9","4","1","7","1","1") = "8"
    & skf18("3","9","4","1","7","2","1") = "8"
    & skf18("3","9","4","1","7","3","1") = "8"
    & skf18("3","9","4","1","7","4","1") = "8"
    & skf18("3","9","4","1","7","5","1") = "8"
    & skf18("3","9","4","1","7","6","1") = "8"
    & skf18("3","9","4","1","7","7","1") = "8"
    & skf18("3","9","4","1","7","8","1") = "8"
    & skf18("3","9","4","1","7","9","1") = "8"
    & skf18("3","9","4","1","7","10","1") = "9"
    & skf18("3","9","4","1","8","1","1") = "8"
    & skf18("3","9","4","1","8","2","1") = "8"
    & skf18("3","9","4","1","8","3","1") = "8"
    & skf18("3","9","4","1","8","4","1") = "8"
    & skf18("3","9","4","1","8","5","1") = "8"
    & skf18("3","9","4","1","8","6","1") = "8"
    & skf18("3","9","4","1","8","7","1") = "8"
    & skf18("3","9","4","1","8","8","1") = "8"
    & skf18("3","9","4","1","8","9","1") = "8"
    & skf18("3","9","4","1","8","10","1") = "9"
    & skf18("3","9","4","1","9","1","1") = "8"
    & skf18("3","9","4","1","9","2","1") = "8"
    & skf18("3","9","4","1","9","3","1") = "8"
    & skf18("3","9","4","1","9","4","1") = "8"
    & skf18("3","9","4","1","9","5","1") = "8"
    & skf18("3","9","4","1","9","6","1") = "8"
    & skf18("3","9","4","1","9","7","1") = "8"
    & skf18("3","9","4","1","9","8","1") = "8"
    & skf18("3","9","4","1","9","9","1") = "8"
    & skf18("3","9","4","1","9","10","1") = "9"
    & skf18("3","9","4","1","10","1","1") = "9"
    & skf18("3","9","4","1","10","2","1") = "9"
    & skf18("3","9","4","1","10","3","1") = "9"
    & skf18("3","9","4","1","10","4","1") = "9"
    & skf18("3","9","4","1","10","5","1") = "9"
    & skf18("3","9","4","1","10","6","1") = "9"
    & skf18("3","9","4","1","10","7","1") = "9"
    & skf18("3","9","4","1","10","8","1") = "9"
    & skf18("3","9","4","1","10","9","1") = "9"
    & skf18("3","9","4","1","10","10","1") = "9"
    & skf18("3","9","4","2","1","1","1") = "8"
    & skf18("3","9","4","2","1","2","1") = "8"
    & skf18("3","9","4","2","1","3","1") = "8"
    & skf18("3","9","4","2","1","4","1") = "8"
    & skf18("3","9","4","2","1","5","1") = "8"
    & skf18("3","9","4","2","1","6","1") = "8"
    & skf18("3","9","4","2","1","7","1") = "8"
    & skf18("3","9","4","2","1","8","1") = "8"
    & skf18("3","9","4","2","1","9","1") = "8"
    & skf18("3","9","4","2","1","10","1") = "9"
    & skf18("3","9","4","2","2","1","1") = "8"
    & skf18("3","9","4","2","2","2","1") = "8"
    & skf18("3","9","4","2","2","3","1") = "8"
    & skf18("3","9","4","2","2","4","1") = "8"
    & skf18("3","9","4","2","2","5","1") = "8"
    & skf18("3","9","4","2","2","6","1") = "8"
    & skf18("3","9","4","2","2","7","1") = "8"
    & skf18("3","9","4","2","2","8","1") = "8"
    & skf18("3","9","4","2","2","9","1") = "8"
    & skf18("3","9","4","2","2","10","1") = "9"
    & skf18("3","9","4","2","3","1","1") = "8"
    & skf18("3","9","4","2","3","2","1") = "8"
    & skf18("3","9","4","2","3","3","1") = "8"
    & skf18("3","9","4","2","3","4","1") = "8"
    & skf18("3","9","4","2","3","5","1") = "8"
    & skf18("3","9","4","2","3","6","1") = "8"
    & skf18("3","9","4","2","3","7","1") = "8"
    & skf18("3","9","4","2","3","8","1") = "8"
    & skf18("3","9","4","2","3","9","1") = "8"
    & skf18("3","9","4","2","3","10","1") = "9"
    & skf18("3","9","4","2","4","1","1") = "8"
    & skf18("3","9","4","2","4","2","1") = "8"
    & skf18("3","9","4","2","4","3","1") = "8"
    & skf18("3","9","4","2","4","4","1") = "8"
    & skf18("3","9","4","2","4","5","1") = "8"
    & skf18("3","9","4","2","4","6","1") = "8"
    & skf18("3","9","4","2","4","7","1") = "8"
    & skf18("3","9","4","2","4","8","1") = "8"
    & skf18("3","9","4","2","4","9","1") = "8"
    & skf18("3","9","4","2","4","10","1") = "9"
    & skf18("3","9","4","2","5","1","1") = "8"
    & skf18("3","9","4","2","5","2","1") = "8"
    & skf18("3","9","4","2","5","3","1") = "8"
    & skf18("3","9","4","2","5","4","1") = "8"
    & skf18("3","9","4","2","5","5","1") = "8"
    & skf18("3","9","4","2","5","6","1") = "8"
    & skf18("3","9","4","2","5","7","1") = "8"
    & skf18("3","9","4","2","5","8","1") = "8"
    & skf18("3","9","4","2","5","9","1") = "8"
    & skf18("3","9","4","2","5","10","1") = "9"
    & skf18("3","9","4","2","6","1","1") = "8"
    & skf18("3","9","4","2","6","2","1") = "8"
    & skf18("3","9","4","2","6","3","1") = "8"
    & skf18("3","9","4","2","6","4","1") = "8"
    & skf18("3","9","4","2","6","5","1") = "8"
    & skf18("3","9","4","2","6","6","1") = "8"
    & skf18("3","9","4","2","6","7","1") = "8"
    & skf18("3","9","4","2","6","8","1") = "8"
    & skf18("3","9","4","2","6","9","1") = "8"
    & skf18("3","9","4","2","6","10","1") = "9"
    & skf18("3","9","4","2","7","1","1") = "8"
    & skf18("3","9","4","2","7","2","1") = "8"
    & skf18("3","9","4","2","7","3","1") = "8"
    & skf18("3","9","4","2","7","4","1") = "8"
    & skf18("3","9","4","2","7","5","1") = "8"
    & skf18("3","9","4","2","7","6","1") = "8"
    & skf18("3","9","4","2","7","7","1") = "8"
    & skf18("3","9","4","2","7","8","1") = "8"
    & skf18("3","9","4","2","7","9","1") = "8"
    & skf18("3","9","4","2","7","10","1") = "9"
    & skf18("3","9","4","2","8","1","1") = "8"
    & skf18("3","9","4","2","8","2","1") = "8"
    & skf18("3","9","4","2","8","3","1") = "8"
    & skf18("3","9","4","2","8","4","1") = "8"
    & skf18("3","9","4","2","8","5","1") = "8"
    & skf18("3","9","4","2","8","6","1") = "8"
    & skf18("3","9","4","2","8","7","1") = "8"
    & skf18("3","9","4","2","8","8","1") = "8"
    & skf18("3","9","4","2","8","9","1") = "8"
    & skf18("3","9","4","2","8","10","1") = "9"
    & skf18("3","9","4","2","9","1","1") = "8"
    & skf18("3","9","4","2","9","2","1") = "8"
    & skf18("3","9","4","2","9","3","1") = "8"
    & skf18("3","9","4","2","9","4","1") = "8"
    & skf18("3","9","4","2","9","5","1") = "8"
    & skf18("3","9","4","2","9","6","1") = "8"
    & skf18("3","9","4","2","9","7","1") = "8"
    & skf18("3","9","4","2","9","8","1") = "8"
    & skf18("3","9","4","2","9","9","1") = "8"
    & skf18("3","9","4","2","9","10","1") = "9"
    & skf18("3","9","4","2","10","1","1") = "9"
    & skf18("3","9","4","2","10","2","1") = "9"
    & skf18("3","9","4","2","10","3","1") = "9"
    & skf18("3","9","4","2","10","4","1") = "9"
    & skf18("3","9","4","2","10","5","1") = "9"
    & skf18("3","9","4","2","10","6","1") = "9"
    & skf18("3","9","4","2","10","7","1") = "9"
    & skf18("3","9","4","2","10","8","1") = "9"
    & skf18("3","9","4","2","10","9","1") = "9"
    & skf18("3","9","4","2","10","10","1") = "9"
    & skf18("3","9","4","3","1","1","1") = "8"
    & skf18("3","9","4","3","1","2","1") = "8"
    & skf18("3","9","4","3","1","3","1") = "8"
    & skf18("3","9","4","3","1","4","1") = "8"
    & skf18("3","9","4","3","1","5","1") = "8"
    & skf18("3","9","4","3","1","6","1") = "8"
    & skf18("3","9","4","3","1","7","1") = "8"
    & skf18("3","9","4","3","1","8","1") = "8"
    & skf18("3","9","4","3","1","9","1") = "8"
    & skf18("3","9","4","3","1","10","1") = "9"
    & skf18("3","9","4","3","2","1","1") = "8"
    & skf18("3","9","4","3","2","2","1") = "8"
    & skf18("3","9","4","3","2","3","1") = "8"
    & skf18("3","9","4","3","2","4","1") = "8"
    & skf18("3","9","4","3","2","5","1") = "8"
    & skf18("3","9","4","3","2","6","1") = "8"
    & skf18("3","9","4","3","2","7","1") = "8"
    & skf18("3","9","4","3","2","8","1") = "8"
    & skf18("3","9","4","3","2","9","1") = "8"
    & skf18("3","9","4","3","2","10","1") = "9"
    & skf18("3","9","4","3","3","1","1") = "8"
    & skf18("3","9","4","3","3","2","1") = "8"
    & skf18("3","9","4","3","3","3","1") = "8"
    & skf18("3","9","4","3","3","4","1") = "8"
    & skf18("3","9","4","3","3","5","1") = "8"
    & skf18("3","9","4","3","3","6","1") = "8"
    & skf18("3","9","4","3","3","7","1") = "8"
    & skf18("3","9","4","3","3","8","1") = "8"
    & skf18("3","9","4","3","3","9","1") = "8"
    & skf18("3","9","4","3","3","10","1") = "9"
    & skf18("3","9","4","3","4","1","1") = "8"
    & skf18("3","9","4","3","4","2","1") = "8"
    & skf18("3","9","4","3","4","3","1") = "8"
    & skf18("3","9","4","3","4","4","1") = "8"
    & skf18("3","9","4","3","4","5","1") = "8"
    & skf18("3","9","4","3","4","6","1") = "8"
    & skf18("3","9","4","3","4","7","1") = "8"
    & skf18("3","9","4","3","4","8","1") = "8"
    & skf18("3","9","4","3","4","9","1") = "8"
    & skf18("3","9","4","3","4","10","1") = "9"
    & skf18("3","9","4","3","5","1","1") = "8"
    & skf18("3","9","4","3","5","2","1") = "8"
    & skf18("3","9","4","3","5","3","1") = "8"
    & skf18("3","9","4","3","5","4","1") = "8"
    & skf18("3","9","4","3","5","5","1") = "8"
    & skf18("3","9","4","3","5","6","1") = "8"
    & skf18("3","9","4","3","5","7","1") = "8"
    & skf18("3","9","4","3","5","8","1") = "8"
    & skf18("3","9","4","3","5","9","1") = "8"
    & skf18("3","9","4","3","5","10","1") = "9"
    & skf18("3","9","4","3","6","1","1") = "8"
    & skf18("3","9","4","3","6","2","1") = "8"
    & skf18("3","9","4","3","6","3","1") = "8"
    & skf18("3","9","4","3","6","4","1") = "8"
    & skf18("3","9","4","3","6","5","1") = "8"
    & skf18("3","9","4","3","6","6","1") = "8"
    & skf18("3","9","4","3","6","7","1") = "8"
    & skf18("3","9","4","3","6","8","1") = "8"
    & skf18("3","9","4","3","6","9","1") = "8"
    & skf18("3","9","4","3","6","10","1") = "9"
    & skf18("3","9","4","3","7","1","1") = "8"
    & skf18("3","9","4","3","7","2","1") = "8"
    & skf18("3","9","4","3","7","3","1") = "8"
    & skf18("3","9","4","3","7","4","1") = "8"
    & skf18("3","9","4","3","7","5","1") = "8"
    & skf18("3","9","4","3","7","6","1") = "8"
    & skf18("3","9","4","3","7","7","1") = "8"
    & skf18("3","9","4","3","7","8","1") = "8"
    & skf18("3","9","4","3","7","9","1") = "8"
    & skf18("3","9","4","3","7","10","1") = "9"
    & skf18("3","9","4","3","8","1","1") = "8"
    & skf18("3","9","4","3","8","2","1") = "8"
    & skf18("3","9","4","3","8","3","1") = "8"
    & skf18("3","9","4","3","8","4","1") = "8"
    & skf18("3","9","4","3","8","5","1") = "8"
    & skf18("3","9","4","3","8","6","1") = "8"
    & skf18("3","9","4","3","8","7","1") = "8"
    & skf18("3","9","4","3","8","8","1") = "8"
    & skf18("3","9","4","3","8","9","1") = "8"
    & skf18("3","9","4","3","8","10","1") = "9"
    & skf18("3","9","4","3","9","1","1") = "8"
    & skf18("3","9","4","3","9","2","1") = "8"
    & skf18("3","9","4","3","9","3","1") = "8"
    & skf18("3","9","4","3","9","4","1") = "8"
    & skf18("3","9","4","3","9","5","1") = "8"
    & skf18("3","9","4","3","9","6","1") = "8"
    & skf18("3","9","4","3","9","7","1") = "8"
    & skf18("3","9","4","3","9","8","1") = "8"
    & skf18("3","9","4","3","9","9","1") = "8"
    & skf18("3","9","4","3","9","10","1") = "9"
    & skf18("3","9","4","3","10","1","1") = "9"
    & skf18("3","9","4","3","10","2","1") = "9"
    & skf18("3","9","4","3","10","3","1") = "9"
    & skf18("3","9","4","3","10","4","1") = "9"
    & skf18("3","9","4","3","10","5","1") = "9"
    & skf18("3","9","4","3","10","6","1") = "9"
    & skf18("3","9","4","3","10","7","1") = "9"
    & skf18("3","9","4","3","10","8","1") = "9"
    & skf18("3","9","4","3","10","9","1") = "9"
    & skf18("3","9","4","3","10","10","1") = "9"
    & skf18("3","9","4","4","1","1","1") = "8"
    & skf18("3","9","4","4","1","2","1") = "8"
    & skf18("3","9","4","4","1","3","1") = "8"
    & skf18("3","9","4","4","1","4","1") = "8"
    & skf18("3","9","4","4","1","5","1") = "8"
    & skf18("3","9","4","4","1","6","1") = "8"
    & skf18("3","9","4","4","1","7","1") = "8"
    & skf18("3","9","4","4","1","8","1") = "8"
    & skf18("3","9","4","4","1","9","1") = "8"
    & skf18("3","9","4","4","1","10","1") = "9"
    & skf18("3","9","4","4","2","1","1") = "8"
    & skf18("3","9","4","4","2","2","1") = "8"
    & skf18("3","9","4","4","2","3","1") = "8"
    & skf18("3","9","4","4","2","4","1") = "8"
    & skf18("3","9","4","4","2","5","1") = "8"
    & skf18("3","9","4","4","2","6","1") = "8"
    & skf18("3","9","4","4","2","7","1") = "8"
    & skf18("3","9","4","4","2","8","1") = "8"
    & skf18("3","9","4","4","2","9","1") = "8"
    & skf18("3","9","4","4","2","10","1") = "9"
    & skf18("3","9","4","4","3","1","1") = "8"
    & skf18("3","9","4","4","3","2","1") = "8"
    & skf18("3","9","4","4","3","3","1") = "8"
    & skf18("3","9","4","4","3","4","1") = "8"
    & skf18("3","9","4","4","3","5","1") = "8"
    & skf18("3","9","4","4","3","6","1") = "8"
    & skf18("3","9","4","4","3","7","1") = "8"
    & skf18("3","9","4","4","3","8","1") = "8"
    & skf18("3","9","4","4","3","9","1") = "8"
    & skf18("3","9","4","4","3","10","1") = "9"
    & skf18("3","9","4","4","4","1","1") = "8"
    & skf18("3","9","4","4","4","2","1") = "8"
    & skf18("3","9","4","4","4","3","1") = "8"
    & skf18("3","9","4","4","4","4","1") = "8"
    & skf18("3","9","4","4","4","5","1") = "8"
    & skf18("3","9","4","4","4","6","1") = "8"
    & skf18("3","9","4","4","4","7","1") = "8"
    & skf18("3","9","4","4","4","8","1") = "8"
    & skf18("3","9","4","4","4","9","1") = "8"
    & skf18("3","9","4","4","4","10","1") = "9"
    & skf18("3","9","4","4","5","1","1") = "8"
    & skf18("3","9","4","4","5","2","1") = "8"
    & skf18("3","9","4","4","5","3","1") = "8"
    & skf18("3","9","4","4","5","4","1") = "8"
    & skf18("3","9","4","4","5","5","1") = "8"
    & skf18("3","9","4","4","5","6","1") = "8"
    & skf18("3","9","4","4","5","7","1") = "8"
    & skf18("3","9","4","4","5","8","1") = "8"
    & skf18("3","9","4","4","5","9","1") = "8"
    & skf18("3","9","4","4","5","10","1") = "9"
    & skf18("3","9","4","4","6","1","1") = "8"
    & skf18("3","9","4","4","6","2","1") = "8"
    & skf18("3","9","4","4","6","3","1") = "8"
    & skf18("3","9","4","4","6","4","1") = "8"
    & skf18("3","9","4","4","6","5","1") = "8"
    & skf18("3","9","4","4","6","6","1") = "8"
    & skf18("3","9","4","4","6","7","1") = "8"
    & skf18("3","9","4","4","6","8","1") = "8"
    & skf18("3","9","4","4","6","9","1") = "8"
    & skf18("3","9","4","4","6","10","1") = "9"
    & skf18("3","9","4","4","7","1","1") = "8"
    & skf18("3","9","4","4","7","2","1") = "8"
    & skf18("3","9","4","4","7","3","1") = "8"
    & skf18("3","9","4","4","7","4","1") = "8"
    & skf18("3","9","4","4","7","5","1") = "8"
    & skf18("3","9","4","4","7","6","1") = "8"
    & skf18("3","9","4","4","7","7","1") = "8"
    & skf18("3","9","4","4","7","8","1") = "8"
    & skf18("3","9","4","4","7","9","1") = "8"
    & skf18("3","9","4","4","7","10","1") = "9"
    & skf18("3","9","4","4","8","1","1") = "8"
    & skf18("3","9","4","4","8","2","1") = "8"
    & skf18("3","9","4","4","8","3","1") = "8"
    & skf18("3","9","4","4","8","4","1") = "8"
    & skf18("3","9","4","4","8","5","1") = "8"
    & skf18("3","9","4","4","8","6","1") = "8"
    & skf18("3","9","4","4","8","7","1") = "8"
    & skf18("3","9","4","4","8","8","1") = "8"
    & skf18("3","9","4","4","8","9","1") = "8"
    & skf18("3","9","4","4","8","10","1") = "9"
    & skf18("3","9","4","4","9","1","1") = "8"
    & skf18("3","9","4","4","9","2","1") = "8"
    & skf18("3","9","4","4","9","3","1") = "8"
    & skf18("3","9","4","4","9","4","1") = "8"
    & skf18("3","9","4","4","9","5","1") = "8"
    & skf18("3","9","4","4","9","6","1") = "8"
    & skf18("3","9","4","4","9","7","1") = "8"
    & skf18("3","9","4","4","9","8","1") = "8"
    & skf18("3","9","4","4","9","9","1") = "8"
    & skf18("3","9","4","4","9","10","1") = "9"
    & skf18("3","9","4","4","10","1","1") = "9"
    & skf18("3","9","4","4","10","2","1") = "9"
    & skf18("3","9","4","4","10","3","1") = "9"
    & skf18("3","9","4","4","10","4","1") = "9"
    & skf18("3","9","4","4","10","5","1") = "9"
    & skf18("3","9","4","4","10","6","1") = "9"
    & skf18("3","9","4","4","10","7","1") = "9"
    & skf18("3","9","4","4","10","8","1") = "9"
    & skf18("3","9","4","4","10","9","1") = "9"
    & skf18("3","9","4","4","10","10","1") = "9"
    & skf18("3","9","4","5","1","1","1") = "8"
    & skf18("3","9","4","5","1","2","1") = "8"
    & skf18("3","9","4","5","1","3","1") = "8"
    & skf18("3","9","4","5","1","4","1") = "8"
    & skf18("3","9","4","5","1","5","1") = "8"
    & skf18("3","9","4","5","1","6","1") = "8"
    & skf18("3","9","4","5","1","7","1") = "8"
    & skf18("3","9","4","5","1","8","1") = "8"
    & skf18("3","9","4","5","1","9","1") = "8"
    & skf18("3","9","4","5","1","10","1") = "9"
    & skf18("3","9","4","5","2","1","1") = "8"
    & skf18("3","9","4","5","2","2","1") = "8"
    & skf18("3","9","4","5","2","3","1") = "8"
    & skf18("3","9","4","5","2","4","1") = "8"
    & skf18("3","9","4","5","2","5","1") = "8"
    & skf18("3","9","4","5","2","6","1") = "8"
    & skf18("3","9","4","5","2","7","1") = "8"
    & skf18("3","9","4","5","2","8","1") = "8"
    & skf18("3","9","4","5","2","9","1") = "8"
    & skf18("3","9","4","5","2","10","1") = "9"
    & skf18("3","9","4","5","3","1","1") = "8"
    & skf18("3","9","4","5","3","2","1") = "8"
    & skf18("3","9","4","5","3","3","1") = "8"
    & skf18("3","9","4","5","3","4","1") = "8"
    & skf18("3","9","4","5","3","5","1") = "8"
    & skf18("3","9","4","5","3","6","1") = "8"
    & skf18("3","9","4","5","3","7","1") = "8"
    & skf18("3","9","4","5","3","8","1") = "8"
    & skf18("3","9","4","5","3","9","1") = "8"
    & skf18("3","9","4","5","3","10","1") = "9"
    & skf18("3","9","4","5","4","1","1") = "8"
    & skf18("3","9","4","5","4","2","1") = "8"
    & skf18("3","9","4","5","4","3","1") = "8"
    & skf18("3","9","4","5","4","4","1") = "8"
    & skf18("3","9","4","5","4","5","1") = "8"
    & skf18("3","9","4","5","4","6","1") = "8"
    & skf18("3","9","4","5","4","7","1") = "8"
    & skf18("3","9","4","5","4","8","1") = "8"
    & skf18("3","9","4","5","4","9","1") = "8"
    & skf18("3","9","4","5","4","10","1") = "9"
    & skf18("3","9","4","5","5","1","1") = "8"
    & skf18("3","9","4","5","5","2","1") = "8"
    & skf18("3","9","4","5","5","3","1") = "8"
    & skf18("3","9","4","5","5","4","1") = "8"
    & skf18("3","9","4","5","5","5","1") = "8"
    & skf18("3","9","4","5","5","6","1") = "8"
    & skf18("3","9","4","5","5","7","1") = "8"
    & skf18("3","9","4","5","5","8","1") = "8"
    & skf18("3","9","4","5","5","9","1") = "8"
    & skf18("3","9","4","5","5","10","1") = "9"
    & skf18("3","9","4","5","6","1","1") = "8"
    & skf18("3","9","4","5","6","2","1") = "8"
    & skf18("3","9","4","5","6","3","1") = "8"
    & skf18("3","9","4","5","6","4","1") = "8"
    & skf18("3","9","4","5","6","5","1") = "8"
    & skf18("3","9","4","5","6","6","1") = "8"
    & skf18("3","9","4","5","6","7","1") = "8"
    & skf18("3","9","4","5","6","8","1") = "8"
    & skf18("3","9","4","5","6","9","1") = "8"
    & skf18("3","9","4","5","6","10","1") = "9"
    & skf18("3","9","4","5","7","1","1") = "8"
    & skf18("3","9","4","5","7","2","1") = "8"
    & skf18("3","9","4","5","7","3","1") = "8"
    & skf18("3","9","4","5","7","4","1") = "8"
    & skf18("3","9","4","5","7","5","1") = "8"
    & skf18("3","9","4","5","7","6","1") = "8"
    & skf18("3","9","4","5","7","7","1") = "8"
    & skf18("3","9","4","5","7","8","1") = "8"
    & skf18("3","9","4","5","7","9","1") = "8"
    & skf18("3","9","4","5","7","10","1") = "9"
    & skf18("3","9","4","5","8","1","1") = "8"
    & skf18("3","9","4","5","8","2","1") = "8"
    & skf18("3","9","4","5","8","3","1") = "8"
    & skf18("3","9","4","5","8","4","1") = "8"
    & skf18("3","9","4","5","8","5","1") = "8"
    & skf18("3","9","4","5","8","6","1") = "8"
    & skf18("3","9","4","5","8","7","1") = "8"
    & skf18("3","9","4","5","8","8","1") = "8"
    & skf18("3","9","4","5","8","9","1") = "8"
    & skf18("3","9","4","5","8","10","1") = "9"
    & skf18("3","9","4","5","9","1","1") = "8"
    & skf18("3","9","4","5","9","2","1") = "8"
    & skf18("3","9","4","5","9","3","1") = "8"
    & skf18("3","9","4","5","9","4","1") = "8"
    & skf18("3","9","4","5","9","5","1") = "8"
    & skf18("3","9","4","5","9","6","1") = "8"
    & skf18("3","9","4","5","9","7","1") = "8"
    & skf18("3","9","4","5","9","8","1") = "8"
    & skf18("3","9","4","5","9","9","1") = "8"
    & skf18("3","9","4","5","9","10","1") = "9"
    & skf18("3","9","4","5","10","1","1") = "9"
    & skf18("3","9","4","5","10","2","1") = "9"
    & skf18("3","9","4","5","10","3","1") = "9"
    & skf18("3","9","4","5","10","4","1") = "9"
    & skf18("3","9","4","5","10","5","1") = "9"
    & skf18("3","9","4","5","10","6","1") = "9"
    & skf18("3","9","4","5","10","7","1") = "9"
    & skf18("3","9","4","5","10","8","1") = "9"
    & skf18("3","9","4","5","10","9","1") = "9"
    & skf18("3","9","4","5","10","10","1") = "9"
    & skf18("3","9","4","6","1","1","1") = "8"
    & skf18("3","9","4","6","1","2","1") = "8"
    & skf18("3","9","4","6","1","3","1") = "8"
    & skf18("3","9","4","6","1","4","1") = "8"
    & skf18("3","9","4","6","1","5","1") = "8"
    & skf18("3","9","4","6","1","6","1") = "8"
    & skf18("3","9","4","6","1","7","1") = "8"
    & skf18("3","9","4","6","1","8","1") = "8"
    & skf18("3","9","4","6","1","9","1") = "8"
    & skf18("3","9","4","6","1","10","1") = "9"
    & skf18("3","9","4","6","2","1","1") = "8"
    & skf18("3","9","4","6","2","2","1") = "8"
    & skf18("3","9","4","6","2","3","1") = "8"
    & skf18("3","9","4","6","2","4","1") = "8"
    & skf18("3","9","4","6","2","5","1") = "8"
    & skf18("3","9","4","6","2","6","1") = "8"
    & skf18("3","9","4","6","2","7","1") = "8"
    & skf18("3","9","4","6","2","8","1") = "8"
    & skf18("3","9","4","6","2","9","1") = "8"
    & skf18("3","9","4","6","2","10","1") = "9"
    & skf18("3","9","4","6","3","1","1") = "8"
    & skf18("3","9","4","6","3","2","1") = "8"
    & skf18("3","9","4","6","3","3","1") = "8"
    & skf18("3","9","4","6","3","4","1") = "8"
    & skf18("3","9","4","6","3","5","1") = "8"
    & skf18("3","9","4","6","3","6","1") = "8"
    & skf18("3","9","4","6","3","7","1") = "8"
    & skf18("3","9","4","6","3","8","1") = "8"
    & skf18("3","9","4","6","3","9","1") = "8"
    & skf18("3","9","4","6","3","10","1") = "9"
    & skf18("3","9","4","6","4","1","1") = "8"
    & skf18("3","9","4","6","4","2","1") = "8"
    & skf18("3","9","4","6","4","3","1") = "8"
    & skf18("3","9","4","6","4","4","1") = "8"
    & skf18("3","9","4","6","4","5","1") = "8"
    & skf18("3","9","4","6","4","6","1") = "8"
    & skf18("3","9","4","6","4","7","1") = "8"
    & skf18("3","9","4","6","4","8","1") = "8"
    & skf18("3","9","4","6","4","9","1") = "8"
    & skf18("3","9","4","6","4","10","1") = "9"
    & skf18("3","9","4","6","5","1","1") = "8"
    & skf18("3","9","4","6","5","2","1") = "8"
    & skf18("3","9","4","6","5","3","1") = "8"
    & skf18("3","9","4","6","5","4","1") = "8"
    & skf18("3","9","4","6","5","5","1") = "8"
    & skf18("3","9","4","6","5","6","1") = "8"
    & skf18("3","9","4","6","5","7","1") = "8"
    & skf18("3","9","4","6","5","8","1") = "8"
    & skf18("3","9","4","6","5","9","1") = "8"
    & skf18("3","9","4","6","5","10","1") = "9"
    & skf18("3","9","4","6","6","1","1") = "8"
    & skf18("3","9","4","6","6","2","1") = "8"
    & skf18("3","9","4","6","6","3","1") = "8"
    & skf18("3","9","4","6","6","4","1") = "8"
    & skf18("3","9","4","6","6","5","1") = "8"
    & skf18("3","9","4","6","6","6","1") = "8"
    & skf18("3","9","4","6","6","7","1") = "8"
    & skf18("3","9","4","6","6","8","1") = "8"
    & skf18("3","9","4","6","6","9","1") = "8"
    & skf18("3","9","4","6","6","10","1") = "9"
    & skf18("3","9","4","6","7","1","1") = "8"
    & skf18("3","9","4","6","7","2","1") = "8"
    & skf18("3","9","4","6","7","3","1") = "8"
    & skf18("3","9","4","6","7","4","1") = "8"
    & skf18("3","9","4","6","7","5","1") = "8"
    & skf18("3","9","4","6","7","6","1") = "8"
    & skf18("3","9","4","6","7","7","1") = "8"
    & skf18("3","9","4","6","7","8","1") = "8"
    & skf18("3","9","4","6","7","9","1") = "8"
    & skf18("3","9","4","6","7","10","1") = "9"
    & skf18("3","9","4","6","8","1","1") = "8"
    & skf18("3","9","4","6","8","2","1") = "8"
    & skf18("3","9","4","6","8","3","1") = "8"
    & skf18("3","9","4","6","8","4","1") = "8"
    & skf18("3","9","4","6","8","5","1") = "8"
    & skf18("3","9","4","6","8","6","1") = "8"
    & skf18("3","9","4","6","8","7","1") = "8"
    & skf18("3","9","4","6","8","8","1") = "8"
    & skf18("3","9","4","6","8","9","1") = "8"
    & skf18("3","9","4","6","8","10","1") = "9"
    & skf18("3","9","4","6","9","1","1") = "8"
    & skf18("3","9","4","6","9","2","1") = "8"
    & skf18("3","9","4","6","9","3","1") = "8"
    & skf18("3","9","4","6","9","4","1") = "8"
    & skf18("3","9","4","6","9","5","1") = "8"
    & skf18("3","9","4","6","9","6","1") = "8"
    & skf18("3","9","4","6","9","7","1") = "8"
    & skf18("3","9","4","6","9","8","1") = "8"
    & skf18("3","9","4","6","9","9","1") = "8"
    & skf18("3","9","4","6","9","10","1") = "9"
    & skf18("3","9","4","6","10","1","1") = "9"
    & skf18("3","9","4","6","10","2","1") = "9"
    & skf18("3","9","4","6","10","3","1") = "9"
    & skf18("3","9","4","6","10","4","1") = "9"
    & skf18("3","9","4","6","10","5","1") = "9"
    & skf18("3","9","4","6","10","6","1") = "9"
    & skf18("3","9","4","6","10","7","1") = "9"
    & skf18("3","9","4","6","10","8","1") = "9"
    & skf18("3","9","4","6","10","9","1") = "9"
    & skf18("3","9","4","6","10","10","1") = "9"
    & skf18("3","9","4","7","1","1","1") = "8"
    & skf18("3","9","4","7","1","2","1") = "8"
    & skf18("3","9","4","7","1","3","1") = "8"
    & skf18("3","9","4","7","1","4","1") = "8"
    & skf18("3","9","4","7","1","5","1") = "8"
    & skf18("3","9","4","7","1","6","1") = "8"
    & skf18("3","9","4","7","1","7","1") = "8"
    & skf18("3","9","4","7","1","8","1") = "8"
    & skf18("3","9","4","7","1","9","1") = "8"
    & skf18("3","9","4","7","1","10","1") = "9"
    & skf18("3","9","4","7","2","1","1") = "8"
    & skf18("3","9","4","7","2","2","1") = "8"
    & skf18("3","9","4","7","2","3","1") = "8"
    & skf18("3","9","4","7","2","4","1") = "8"
    & skf18("3","9","4","7","2","5","1") = "8"
    & skf18("3","9","4","7","2","6","1") = "8"
    & skf18("3","9","4","7","2","7","1") = "8"
    & skf18("3","9","4","7","2","8","1") = "8"
    & skf18("3","9","4","7","2","9","1") = "8"
    & skf18("3","9","4","7","2","10","1") = "9"
    & skf18("3","9","4","7","3","1","1") = "8"
    & skf18("3","9","4","7","3","2","1") = "8"
    & skf18("3","9","4","7","3","3","1") = "8"
    & skf18("3","9","4","7","3","4","1") = "8"
    & skf18("3","9","4","7","3","5","1") = "8"
    & skf18("3","9","4","7","3","6","1") = "8"
    & skf18("3","9","4","7","3","7","1") = "8"
    & skf18("3","9","4","7","3","8","1") = "8"
    & skf18("3","9","4","7","3","9","1") = "8"
    & skf18("3","9","4","7","3","10","1") = "9"
    & skf18("3","9","4","7","4","1","1") = "8"
    & skf18("3","9","4","7","4","2","1") = "8"
    & skf18("3","9","4","7","4","3","1") = "8"
    & skf18("3","9","4","7","4","4","1") = "8"
    & skf18("3","9","4","7","4","5","1") = "8"
    & skf18("3","9","4","7","4","6","1") = "8"
    & skf18("3","9","4","7","4","7","1") = "8"
    & skf18("3","9","4","7","4","8","1") = "8"
    & skf18("3","9","4","7","4","9","1") = "8"
    & skf18("3","9","4","7","4","10","1") = "9"
    & skf18("3","9","4","7","5","1","1") = "8"
    & skf18("3","9","4","7","5","2","1") = "8"
    & skf18("3","9","4","7","5","3","1") = "8"
    & skf18("3","9","4","7","5","4","1") = "8"
    & skf18("3","9","4","7","5","5","1") = "8"
    & skf18("3","9","4","7","5","6","1") = "8"
    & skf18("3","9","4","7","5","7","1") = "8"
    & skf18("3","9","4","7","5","8","1") = "8"
    & skf18("3","9","4","7","5","9","1") = "8"
    & skf18("3","9","4","7","5","10","1") = "9"
    & skf18("3","9","4","7","6","1","1") = "8"
    & skf18("3","9","4","7","6","2","1") = "8"
    & skf18("3","9","4","7","6","3","1") = "8"
    & skf18("3","9","4","7","6","4","1") = "8"
    & skf18("3","9","4","7","6","5","1") = "8"
    & skf18("3","9","4","7","6","6","1") = "8"
    & skf18("3","9","4","7","6","7","1") = "8"
    & skf18("3","9","4","7","6","8","1") = "8"
    & skf18("3","9","4","7","6","9","1") = "8"
    & skf18("3","9","4","7","6","10","1") = "9"
    & skf18("3","9","4","7","7","1","1") = "8"
    & skf18("3","9","4","7","7","2","1") = "8"
    & skf18("3","9","4","7","7","3","1") = "8"
    & skf18("3","9","4","7","7","4","1") = "8"
    & skf18("3","9","4","7","7","5","1") = "8"
    & skf18("3","9","4","7","7","6","1") = "8"
    & skf18("3","9","4","7","7","7","1") = "8"
    & skf18("3","9","4","7","7","8","1") = "8"
    & skf18("3","9","4","7","7","9","1") = "8"
    & skf18("3","9","4","7","7","10","1") = "9"
    & skf18("3","9","4","7","8","1","1") = "8"
    & skf18("3","9","4","7","8","2","1") = "8"
    & skf18("3","9","4","7","8","3","1") = "8"
    & skf18("3","9","4","7","8","4","1") = "8"
    & skf18("3","9","4","7","8","5","1") = "8"
    & skf18("3","9","4","7","8","6","1") = "8"
    & skf18("3","9","4","7","8","7","1") = "8"
    & skf18("3","9","4","7","8","8","1") = "8"
    & skf18("3","9","4","7","8","9","1") = "8"
    & skf18("3","9","4","7","8","10","1") = "9"
    & skf18("3","9","4","7","9","1","1") = "8"
    & skf18("3","9","4","7","9","2","1") = "8"
    & skf18("3","9","4","7","9","3","1") = "8"
    & skf18("3","9","4","7","9","4","1") = "8"
    & skf18("3","9","4","7","9","5","1") = "8"
    & skf18("3","9","4","7","9","6","1") = "8"
    & skf18("3","9","4","7","9","7","1") = "8"
    & skf18("3","9","4","7","9","8","1") = "8"
    & skf18("3","9","4","7","9","9","1") = "8"
    & skf18("3","9","4","7","9","10","1") = "9"
    & skf18("3","9","4","7","10","1","1") = "9"
    & skf18("3","9","4","7","10","2","1") = "9"
    & skf18("3","9","4","7","10","3","1") = "9"
    & skf18("3","9","4","7","10","4","1") = "9"
    & skf18("3","9","4","7","10","5","1") = "9"
    & skf18("3","9","4","7","10","6","1") = "9"
    & skf18("3","9","4","7","10","7","1") = "9"
    & skf18("3","9","4","7","10","8","1") = "9"
    & skf18("3","9","4","7","10","9","1") = "9"
    & skf18("3","9","4","7","10","10","1") = "9"
    & skf18("3","9","4","8","1","1","1") = "8"
    & skf18("3","9","4","8","1","2","1") = "8"
    & skf18("3","9","4","8","1","3","1") = "8"
    & skf18("3","9","4","8","1","4","1") = "8"
    & skf18("3","9","4","8","1","5","1") = "8"
    & skf18("3","9","4","8","1","6","1") = "8"
    & skf18("3","9","4","8","1","7","1") = "8"
    & skf18("3","9","4","8","1","8","1") = "8"
    & skf18("3","9","4","8","1","9","1") = "8"
    & skf18("3","9","4","8","1","10","1") = "9"
    & skf18("3","9","4","8","2","1","1") = "8"
    & skf18("3","9","4","8","2","2","1") = "8"
    & skf18("3","9","4","8","2","3","1") = "8"
    & skf18("3","9","4","8","2","4","1") = "8"
    & skf18("3","9","4","8","2","5","1") = "8"
    & skf18("3","9","4","8","2","6","1") = "8"
    & skf18("3","9","4","8","2","7","1") = "8"
    & skf18("3","9","4","8","2","8","1") = "8"
    & skf18("3","9","4","8","2","9","1") = "8"
    & skf18("3","9","4","8","2","10","1") = "9"
    & skf18("3","9","4","8","3","1","1") = "8"
    & skf18("3","9","4","8","3","2","1") = "8"
    & skf18("3","9","4","8","3","3","1") = "8"
    & skf18("3","9","4","8","3","4","1") = "8"
    & skf18("3","9","4","8","3","5","1") = "8"
    & skf18("3","9","4","8","3","6","1") = "8"
    & skf18("3","9","4","8","3","7","1") = "8"
    & skf18("3","9","4","8","3","8","1") = "8"
    & skf18("3","9","4","8","3","9","1") = "8"
    & skf18("3","9","4","8","3","10","1") = "9"
    & skf18("3","9","4","8","4","1","1") = "8"
    & skf18("3","9","4","8","4","2","1") = "8"
    & skf18("3","9","4","8","4","3","1") = "8"
    & skf18("3","9","4","8","4","4","1") = "8"
    & skf18("3","9","4","8","4","5","1") = "8"
    & skf18("3","9","4","8","4","6","1") = "8"
    & skf18("3","9","4","8","4","7","1") = "8"
    & skf18("3","9","4","8","4","8","1") = "8"
    & skf18("3","9","4","8","4","9","1") = "8"
    & skf18("3","9","4","8","4","10","1") = "9"
    & skf18("3","9","4","8","5","1","1") = "8"
    & skf18("3","9","4","8","5","2","1") = "8"
    & skf18("3","9","4","8","5","3","1") = "8"
    & skf18("3","9","4","8","5","4","1") = "8"
    & skf18("3","9","4","8","5","5","1") = "8"
    & skf18("3","9","4","8","5","6","1") = "8"
    & skf18("3","9","4","8","5","7","1") = "8"
    & skf18("3","9","4","8","5","8","1") = "8"
    & skf18("3","9","4","8","5","9","1") = "8"
    & skf18("3","9","4","8","5","10","1") = "9"
    & skf18("3","9","4","8","6","1","1") = "8"
    & skf18("3","9","4","8","6","2","1") = "8"
    & skf18("3","9","4","8","6","3","1") = "8"
    & skf18("3","9","4","8","6","4","1") = "8"
    & skf18("3","9","4","8","6","5","1") = "8"
    & skf18("3","9","4","8","6","6","1") = "8"
    & skf18("3","9","4","8","6","7","1") = "8"
    & skf18("3","9","4","8","6","8","1") = "8"
    & skf18("3","9","4","8","6","9","1") = "8"
    & skf18("3","9","4","8","6","10","1") = "9"
    & skf18("3","9","4","8","7","1","1") = "8"
    & skf18("3","9","4","8","7","2","1") = "8"
    & skf18("3","9","4","8","7","3","1") = "8"
    & skf18("3","9","4","8","7","4","1") = "8"
    & skf18("3","9","4","8","7","5","1") = "8"
    & skf18("3","9","4","8","7","6","1") = "8"
    & skf18("3","9","4","8","7","7","1") = "8"
    & skf18("3","9","4","8","7","8","1") = "8"
    & skf18("3","9","4","8","7","9","1") = "8"
    & skf18("3","9","4","8","7","10","1") = "9"
    & skf18("3","9","4","8","8","1","1") = "8"
    & skf18("3","9","4","8","8","2","1") = "8"
    & skf18("3","9","4","8","8","3","1") = "8"
    & skf18("3","9","4","8","8","4","1") = "8"
    & skf18("3","9","4","8","8","5","1") = "8"
    & skf18("3","9","4","8","8","6","1") = "8"
    & skf18("3","9","4","8","8","7","1") = "8"
    & skf18("3","9","4","8","8","8","1") = "8"
    & skf18("3","9","4","8","8","9","1") = "8"
    & skf18("3","9","4","8","8","10","1") = "9"
    & skf18("3","9","4","8","9","1","1") = "8"
    & skf18("3","9","4","8","9","2","1") = "8"
    & skf18("3","9","4","8","9","3","1") = "8"
    & skf18("3","9","4","8","9","4","1") = "8"
    & skf18("3","9","4","8","9","5","1") = "8"
    & skf18("3","9","4","8","9","6","1") = "8"
    & skf18("3","9","4","8","9","7","1") = "8"
    & skf18("3","9","4","8","9","8","1") = "8"
    & skf18("3","9","4","8","9","9","1") = "8"
    & skf18("3","9","4","8","9","10","1") = "9"
    & skf18("3","9","4","8","10","1","1") = "9"
    & skf18("3","9","4","8","10","2","1") = "9"
    & skf18("3","9","4","8","10","3","1") = "9"
    & skf18("3","9","4","8","10","4","1") = "9"
    & skf18("3","9","4","8","10","5","1") = "9"
    & skf18("3","9","4","8","10","6","1") = "9"
    & skf18("3","9","4","8","10","7","1") = "9"
    & skf18("3","9","4","8","10","8","1") = "9"
    & skf18("3","9","4","8","10","9","1") = "9"
    & skf18("3","9","4","8","10","10","1") = "9"
    & skf18("3","9","4","9","1","1","1") = "8"
    & skf18("3","9","4","9","1","2","1") = "8"
    & skf18("3","9","4","9","1","3","1") = "8"
    & skf18("3","9","4","9","1","4","1") = "8"
    & skf18("3","9","4","9","1","5","1") = "8"
    & skf18("3","9","4","9","1","6","1") = "8"
    & skf18("3","9","4","9","1","7","1") = "8"
    & skf18("3","9","4","9","1","8","1") = "8"
    & skf18("3","9","4","9","1","9","1") = "8"
    & skf18("3","9","4","9","1","10","1") = "9"
    & skf18("3","9","4","9","2","1","1") = "8"
    & skf18("3","9","4","9","2","2","1") = "8"
    & skf18("3","9","4","9","2","3","1") = "8"
    & skf18("3","9","4","9","2","4","1") = "8"
    & skf18("3","9","4","9","2","5","1") = "8"
    & skf18("3","9","4","9","2","6","1") = "8"
    & skf18("3","9","4","9","2","7","1") = "8"
    & skf18("3","9","4","9","2","8","1") = "8"
    & skf18("3","9","4","9","2","9","1") = "8"
    & skf18("3","9","4","9","2","10","1") = "9"
    & skf18("3","9","4","9","3","1","1") = "8"
    & skf18("3","9","4","9","3","2","1") = "8"
    & skf18("3","9","4","9","3","3","1") = "8"
    & skf18("3","9","4","9","3","4","1") = "8"
    & skf18("3","9","4","9","3","5","1") = "8"
    & skf18("3","9","4","9","3","6","1") = "8"
    & skf18("3","9","4","9","3","7","1") = "8"
    & skf18("3","9","4","9","3","8","1") = "8"
    & skf18("3","9","4","9","3","9","1") = "8"
    & skf18("3","9","4","9","3","10","1") = "9"
    & skf18("3","9","4","9","4","1","1") = "8"
    & skf18("3","9","4","9","4","2","1") = "8"
    & skf18("3","9","4","9","4","3","1") = "8"
    & skf18("3","9","4","9","4","4","1") = "8"
    & skf18("3","9","4","9","4","5","1") = "8"
    & skf18("3","9","4","9","4","6","1") = "8"
    & skf18("3","9","4","9","4","7","1") = "8"
    & skf18("3","9","4","9","4","8","1") = "8"
    & skf18("3","9","4","9","4","9","1") = "8"
    & skf18("3","9","4","9","4","10","1") = "9"
    & skf18("3","9","4","9","5","1","1") = "8"
    & skf18("3","9","4","9","5","2","1") = "8"
    & skf18("3","9","4","9","5","3","1") = "8"
    & skf18("3","9","4","9","5","4","1") = "8"
    & skf18("3","9","4","9","5","5","1") = "8"
    & skf18("3","9","4","9","5","6","1") = "8"
    & skf18("3","9","4","9","5","7","1") = "8"
    & skf18("3","9","4","9","5","8","1") = "8"
    & skf18("3","9","4","9","5","9","1") = "8"
    & skf18("3","9","4","9","5","10","1") = "9"
    & skf18("3","9","4","9","6","1","1") = "8"
    & skf18("3","9","4","9","6","2","1") = "8"
    & skf18("3","9","4","9","6","3","1") = "8"
    & skf18("3","9","4","9","6","4","1") = "8"
    & skf18("3","9","4","9","6","5","1") = "8"
    & skf18("3","9","4","9","6","6","1") = "8"
    & skf18("3","9","4","9","6","7","1") = "8"
    & skf18("3","9","4","9","6","8","1") = "8"
    & skf18("3","9","4","9","6","9","1") = "8"
    & skf18("3","9","4","9","6","10","1") = "9"
    & skf18("3","9","4","9","7","1","1") = "8"
    & skf18("3","9","4","9","7","2","1") = "8"
    & skf18("3","9","4","9","7","3","1") = "8"
    & skf18("3","9","4","9","7","4","1") = "8"
    & skf18("3","9","4","9","7","5","1") = "8"
    & skf18("3","9","4","9","7","6","1") = "8"
    & skf18("3","9","4","9","7","7","1") = "8"
    & skf18("3","9","4","9","7","8","1") = "8"
    & skf18("3","9","4","9","7","9","1") = "8"
    & skf18("3","9","4","9","7","10","1") = "9"
    & skf18("3","9","4","9","8","1","1") = "8"
    & skf18("3","9","4","9","8","2","1") = "8"
    & skf18("3","9","4","9","8","3","1") = "8"
    & skf18("3","9","4","9","8","4","1") = "8"
    & skf18("3","9","4","9","8","5","1") = "8"
    & skf18("3","9","4","9","8","6","1") = "8"
    & skf18("3","9","4","9","8","7","1") = "8"
    & skf18("3","9","4","9","8","8","1") = "8"
    & skf18("3","9","4","9","8","9","1") = "8"
    & skf18("3","9","4","9","8","10","1") = "9"
    & skf18("3","9","4","9","9","1","1") = "8"
    & skf18("3","9","4","9","9","2","1") = "8"
    & skf18("3","9","4","9","9","3","1") = "8"
    & skf18("3","9","4","9","9","4","1") = "8"
    & skf18("3","9","4","9","9","5","1") = "8"
    & skf18("3","9","4","9","9","6","1") = "8"
    & skf18("3","9","4","9","9","7","1") = "8"
    & skf18("3","9","4","9","9","8","1") = "8"
    & skf18("3","9","4","9","9","9","1") = "8"
    & skf18("3","9","4","9","9","10","1") = "9"
    & skf18("3","9","4","9","10","1","1") = "9"
    & skf18("3","9","4","9","10","2","1") = "9"
    & skf18("3","9","4","9","10","3","1") = "9"
    & skf18("3","9","4","9","10","4","1") = "9"
    & skf18("3","9","4","9","10","5","1") = "9"
    & skf18("3","9","4","9","10","6","1") = "9"
    & skf18("3","9","4","9","10","7","1") = "9"
    & skf18("3","9","4","9","10","8","1") = "9"
    & skf18("3","9","4","9","10","9","1") = "9"
    & skf18("3","9","4","9","10","10","1") = "9"
    & skf18("3","9","4","10","1","1","1") = "9"
    & skf18("3","9","4","10","1","2","1") = "9"
    & skf18("3","9","4","10","1","3","1") = "9"
    & skf18("3","9","4","10","1","4","1") = "9"
    & skf18("3","9","4","10","1","5","1") = "9"
    & skf18("3","9","4","10","1","6","1") = "9"
    & skf18("3","9","4","10","1","7","1") = "9"
    & skf18("3","9","4","10","1","8","1") = "9"
    & skf18("3","9","4","10","1","9","1") = "9"
    & skf18("3","9","4","10","1","10","1") = "9"
    & skf18("3","9","4","10","2","1","1") = "9"
    & skf18("3","9","4","10","2","2","1") = "9"
    & skf18("3","9","4","10","2","3","1") = "9"
    & skf18("3","9","4","10","2","4","1") = "9"
    & skf18("3","9","4","10","2","5","1") = "9"
    & skf18("3","9","4","10","2","6","1") = "9"
    & skf18("3","9","4","10","2","7","1") = "9"
    & skf18("3","9","4","10","2","8","1") = "9"
    & skf18("3","9","4","10","2","9","1") = "9"
    & skf18("3","9","4","10","2","10","1") = "9"
    & skf18("3","9","4","10","3","1","1") = "9"
    & skf18("3","9","4","10","3","2","1") = "9"
    & skf18("3","9","4","10","3","3","1") = "9"
    & skf18("3","9","4","10","3","4","1") = "9"
    & skf18("3","9","4","10","3","5","1") = "9"
    & skf18("3","9","4","10","3","6","1") = "9"
    & skf18("3","9","4","10","3","7","1") = "9"
    & skf18("3","9","4","10","3","8","1") = "9"
    & skf18("3","9","4","10","3","9","1") = "9"
    & skf18("3","9","4","10","3","10","1") = "9"
    & skf18("3","9","4","10","4","1","1") = "9"
    & skf18("3","9","4","10","4","2","1") = "9"
    & skf18("3","9","4","10","4","3","1") = "9"
    & skf18("3","9","4","10","4","4","1") = "9"
    & skf18("3","9","4","10","4","5","1") = "9"
    & skf18("3","9","4","10","4","6","1") = "9"
    & skf18("3","9","4","10","4","7","1") = "9"
    & skf18("3","9","4","10","4","8","1") = "9"
    & skf18("3","9","4","10","4","9","1") = "9"
    & skf18("3","9","4","10","4","10","1") = "9"
    & skf18("3","9","4","10","5","1","1") = "9"
    & skf18("3","9","4","10","5","2","1") = "9"
    & skf18("3","9","4","10","5","3","1") = "9"
    & skf18("3","9","4","10","5","4","1") = "9"
    & skf18("3","9","4","10","5","5","1") = "9"
    & skf18("3","9","4","10","5","6","1") = "9"
    & skf18("3","9","4","10","5","7","1") = "9"
    & skf18("3","9","4","10","5","8","1") = "9"
    & skf18("3","9","4","10","5","9","1") = "9"
    & skf18("3","9","4","10","5","10","1") = "9"
    & skf18("3","9","4","10","6","1","1") = "9"
    & skf18("3","9","4","10","6","2","1") = "9"
    & skf18("3","9","4","10","6","3","1") = "9"
    & skf18("3","9","4","10","6","4","1") = "9"
    & skf18("3","9","4","10","6","5","1") = "9"
    & skf18("3","9","4","10","6","6","1") = "9"
    & skf18("3","9","4","10","6","7","1") = "9"
    & skf18("3","9","4","10","6","8","1") = "9"
    & skf18("3","9","4","10","6","9","1") = "9"
    & skf18("3","9","4","10","6","10","1") = "9"
    & skf18("3","9","4","10","7","1","1") = "9"
    & skf18("3","9","4","10","7","2","1") = "9"
    & skf18("3","9","4","10","7","3","1") = "9"
    & skf18("3","9","4","10","7","4","1") = "9"
    & skf18("3","9","4","10","7","5","1") = "9"
    & skf18("3","9","4","10","7","6","1") = "9"
    & skf18("3","9","4","10","7","7","1") = "9"
    & skf18("3","9","4","10","7","8","1") = "9"
    & skf18("3","9","4","10","7","9","1") = "9"
    & skf18("3","9","4","10","7","10","1") = "9"
    & skf18("3","9","4","10","8","1","1") = "9"
    & skf18("3","9","4","10","8","2","1") = "9"
    & skf18("3","9","4","10","8","3","1") = "9"
    & skf18("3","9","4","10","8","4","1") = "9"
    & skf18("3","9","4","10","8","5","1") = "9"
    & skf18("3","9","4","10","8","6","1") = "9"
    & skf18("3","9","4","10","8","7","1") = "9"
    & skf18("3","9","4","10","8","8","1") = "9"
    & skf18("3","9","4","10","8","9","1") = "9"
    & skf18("3","9","4","10","8","10","1") = "9"
    & skf18("3","9","4","10","9","1","1") = "9"
    & skf18("3","9","4","10","9","2","1") = "9"
    & skf18("3","9","4","10","9","3","1") = "9"
    & skf18("3","9","4","10","9","4","1") = "9"
    & skf18("3","9","4","10","9","5","1") = "9"
    & skf18("3","9","4","10","9","6","1") = "9"
    & skf18("3","9","4","10","9","7","1") = "9"
    & skf18("3","9","4","10","9","8","1") = "9"
    & skf18("3","9","4","10","9","9","1") = "9"
    & skf18("3","9","4","10","9","10","1") = "9"
    & skf18("3","9","4","10","10","1","1") = "9"
    & skf18("3","9","4","10","10","2","1") = "9"
    & skf18("3","9","4","10","10","3","1") = "9"
    & skf18("3","9","4","10","10","4","1") = "9"
    & skf18("3","9","4","10","10","5","1") = "9"
    & skf18("3","9","4","10","10","6","1") = "9"
    & skf18("3","9","4","10","10","7","1") = "9"
    & skf18("3","9","4","10","10","8","1") = "9"
    & skf18("3","9","4","10","10","9","1") = "9"
    & skf18("3","9","4","10","10","10","1") = "9"
    & skf18("3","9","5","1","1","1","1") = "8"
    & skf18("3","9","5","1","1","2","1") = "8"
    & skf18("3","9","5","1","1","3","1") = "8"
    & skf18("3","9","5","1","1","4","1") = "8"
    & skf18("3","9","5","1","1","5","1") = "8"
    & skf18("3","9","5","1","1","6","1") = "8"
    & skf18("3","9","5","1","1","7","1") = "8"
    & skf18("3","9","5","1","1","8","1") = "8"
    & skf18("3","9","5","1","1","9","1") = "8"
    & skf18("3","9","5","1","1","10","1") = "9"
    & skf18("3","9","5","1","2","1","1") = "8"
    & skf18("3","9","5","1","2","2","1") = "8"
    & skf18("3","9","5","1","2","3","1") = "8"
    & skf18("3","9","5","1","2","4","1") = "8"
    & skf18("3","9","5","1","2","5","1") = "8"
    & skf18("3","9","5","1","2","6","1") = "8"
    & skf18("3","9","5","1","2","7","1") = "8"
    & skf18("3","9","5","1","2","8","1") = "8"
    & skf18("3","9","5","1","2","9","1") = "8"
    & skf18("3","9","5","1","2","10","1") = "9"
    & skf18("3","9","5","1","3","1","1") = "8"
    & skf18("3","9","5","1","3","2","1") = "8"
    & skf18("3","9","5","1","3","3","1") = "8"
    & skf18("3","9","5","1","3","4","1") = "8"
    & skf18("3","9","5","1","3","5","1") = "8"
    & skf18("3","9","5","1","3","6","1") = "8"
    & skf18("3","9","5","1","3","7","1") = "8"
    & skf18("3","9","5","1","3","8","1") = "8"
    & skf18("3","9","5","1","3","9","1") = "8"
    & skf18("3","9","5","1","3","10","1") = "9"
    & skf18("3","9","5","1","4","1","1") = "8"
    & skf18("3","9","5","1","4","2","1") = "8"
    & skf18("3","9","5","1","4","3","1") = "8"
    & skf18("3","9","5","1","4","4","1") = "8"
    & skf18("3","9","5","1","4","5","1") = "8"
    & skf18("3","9","5","1","4","6","1") = "8"
    & skf18("3","9","5","1","4","7","1") = "8"
    & skf18("3","9","5","1","4","8","1") = "8"
    & skf18("3","9","5","1","4","9","1") = "8"
    & skf18("3","9","5","1","4","10","1") = "9"
    & skf18("3","9","5","1","5","1","1") = "8"
    & skf18("3","9","5","1","5","2","1") = "8"
    & skf18("3","9","5","1","5","3","1") = "8"
    & skf18("3","9","5","1","5","4","1") = "8"
    & skf18("3","9","5","1","5","5","1") = "8"
    & skf18("3","9","5","1","5","6","1") = "8"
    & skf18("3","9","5","1","5","7","1") = "8"
    & skf18("3","9","5","1","5","8","1") = "8"
    & skf18("3","9","5","1","5","9","1") = "8"
    & skf18("3","9","5","1","5","10","1") = "9"
    & skf18("3","9","5","1","6","1","1") = "8"
    & skf18("3","9","5","1","6","2","1") = "8"
    & skf18("3","9","5","1","6","3","1") = "8"
    & skf18("3","9","5","1","6","4","1") = "8"
    & skf18("3","9","5","1","6","5","1") = "8"
    & skf18("3","9","5","1","6","6","1") = "8"
    & skf18("3","9","5","1","6","7","1") = "8"
    & skf18("3","9","5","1","6","8","1") = "8"
    & skf18("3","9","5","1","6","9","1") = "8"
    & skf18("3","9","5","1","6","10","1") = "9"
    & skf18("3","9","5","1","7","1","1") = "8"
    & skf18("3","9","5","1","7","2","1") = "8"
    & skf18("3","9","5","1","7","3","1") = "8"
    & skf18("3","9","5","1","7","4","1") = "8"
    & skf18("3","9","5","1","7","5","1") = "8"
    & skf18("3","9","5","1","7","6","1") = "8"
    & skf18("3","9","5","1","7","7","1") = "8"
    & skf18("3","9","5","1","7","8","1") = "8"
    & skf18("3","9","5","1","7","9","1") = "8"
    & skf18("3","9","5","1","7","10","1") = "9"
    & skf18("3","9","5","1","8","1","1") = "8"
    & skf18("3","9","5","1","8","2","1") = "8"
    & skf18("3","9","5","1","8","3","1") = "8"
    & skf18("3","9","5","1","8","4","1") = "8"
    & skf18("3","9","5","1","8","5","1") = "8"
    & skf18("3","9","5","1","8","6","1") = "8"
    & skf18("3","9","5","1","8","7","1") = "8"
    & skf18("3","9","5","1","8","8","1") = "8"
    & skf18("3","9","5","1","8","9","1") = "8"
    & skf18("3","9","5","1","8","10","1") = "9"
    & skf18("3","9","5","1","9","1","1") = "8"
    & skf18("3","9","5","1","9","2","1") = "8"
    & skf18("3","9","5","1","9","3","1") = "8"
    & skf18("3","9","5","1","9","4","1") = "8"
    & skf18("3","9","5","1","9","5","1") = "8"
    & skf18("3","9","5","1","9","6","1") = "8"
    & skf18("3","9","5","1","9","7","1") = "8"
    & skf18("3","9","5","1","9","8","1") = "8"
    & skf18("3","9","5","1","9","9","1") = "8"
    & skf18("3","9","5","1","9","10","1") = "9"
    & skf18("3","9","5","1","10","1","1") = "9"
    & skf18("3","9","5","1","10","2","1") = "9"
    & skf18("3","9","5","1","10","3","1") = "9"
    & skf18("3","9","5","1","10","4","1") = "9"
    & skf18("3","9","5","1","10","5","1") = "9"
    & skf18("3","9","5","1","10","6","1") = "9"
    & skf18("3","9","5","1","10","7","1") = "9"
    & skf18("3","9","5","1","10","8","1") = "9"
    & skf18("3","9","5","1","10","9","1") = "9"
    & skf18("3","9","5","1","10","10","1") = "9"
    & skf18("3","9","5","2","1","1","1") = "8"
    & skf18("3","9","5","2","1","2","1") = "8"
    & skf18("3","9","5","2","1","3","1") = "8"
    & skf18("3","9","5","2","1","4","1") = "8"
    & skf18("3","9","5","2","1","5","1") = "8"
    & skf18("3","9","5","2","1","6","1") = "8"
    & skf18("3","9","5","2","1","7","1") = "8"
    & skf18("3","9","5","2","1","8","1") = "8"
    & skf18("3","9","5","2","1","9","1") = "8"
    & skf18("3","9","5","2","1","10","1") = "9"
    & skf18("3","9","5","2","2","1","1") = "8"
    & skf18("3","9","5","2","2","2","1") = "8"
    & skf18("3","9","5","2","2","3","1") = "8"
    & skf18("3","9","5","2","2","4","1") = "8"
    & skf18("3","9","5","2","2","5","1") = "8"
    & skf18("3","9","5","2","2","6","1") = "8"
    & skf18("3","9","5","2","2","7","1") = "8"
    & skf18("3","9","5","2","2","8","1") = "8"
    & skf18("3","9","5","2","2","9","1") = "8"
    & skf18("3","9","5","2","2","10","1") = "9"
    & skf18("3","9","5","2","3","1","1") = "8"
    & skf18("3","9","5","2","3","2","1") = "8"
    & skf18("3","9","5","2","3","3","1") = "8"
    & skf18("3","9","5","2","3","4","1") = "8"
    & skf18("3","9","5","2","3","5","1") = "8"
    & skf18("3","9","5","2","3","6","1") = "8"
    & skf18("3","9","5","2","3","7","1") = "8"
    & skf18("3","9","5","2","3","8","1") = "8"
    & skf18("3","9","5","2","3","9","1") = "8"
    & skf18("3","9","5","2","3","10","1") = "9"
    & skf18("3","9","5","2","4","1","1") = "8"
    & skf18("3","9","5","2","4","2","1") = "8"
    & skf18("3","9","5","2","4","3","1") = "8"
    & skf18("3","9","5","2","4","4","1") = "8"
    & skf18("3","9","5","2","4","5","1") = "8"
    & skf18("3","9","5","2","4","6","1") = "8"
    & skf18("3","9","5","2","4","7","1") = "8"
    & skf18("3","9","5","2","4","8","1") = "8"
    & skf18("3","9","5","2","4","9","1") = "8"
    & skf18("3","9","5","2","4","10","1") = "9"
    & skf18("3","9","5","2","5","1","1") = "8"
    & skf18("3","9","5","2","5","2","1") = "8"
    & skf18("3","9","5","2","5","3","1") = "8"
    & skf18("3","9","5","2","5","4","1") = "8"
    & skf18("3","9","5","2","5","5","1") = "8"
    & skf18("3","9","5","2","5","6","1") = "8"
    & skf18("3","9","5","2","5","7","1") = "8"
    & skf18("3","9","5","2","5","8","1") = "8"
    & skf18("3","9","5","2","5","9","1") = "8"
    & skf18("3","9","5","2","5","10","1") = "9"
    & skf18("3","9","5","2","6","1","1") = "8"
    & skf18("3","9","5","2","6","2","1") = "8"
    & skf18("3","9","5","2","6","3","1") = "8"
    & skf18("3","9","5","2","6","4","1") = "8"
    & skf18("3","9","5","2","6","5","1") = "8"
    & skf18("3","9","5","2","6","6","1") = "8"
    & skf18("3","9","5","2","6","7","1") = "8"
    & skf18("3","9","5","2","6","8","1") = "8"
    & skf18("3","9","5","2","6","9","1") = "8"
    & skf18("3","9","5","2","6","10","1") = "9"
    & skf18("3","9","5","2","7","1","1") = "8"
    & skf18("3","9","5","2","7","2","1") = "8"
    & skf18("3","9","5","2","7","3","1") = "8"
    & skf18("3","9","5","2","7","4","1") = "8"
    & skf18("3","9","5","2","7","5","1") = "8"
    & skf18("3","9","5","2","7","6","1") = "8"
    & skf18("3","9","5","2","7","7","1") = "8"
    & skf18("3","9","5","2","7","8","1") = "8"
    & skf18("3","9","5","2","7","9","1") = "8"
    & skf18("3","9","5","2","7","10","1") = "9"
    & skf18("3","9","5","2","8","1","1") = "8"
    & skf18("3","9","5","2","8","2","1") = "8"
    & skf18("3","9","5","2","8","3","1") = "8"
    & skf18("3","9","5","2","8","4","1") = "8"
    & skf18("3","9","5","2","8","5","1") = "8"
    & skf18("3","9","5","2","8","6","1") = "8"
    & skf18("3","9","5","2","8","7","1") = "8"
    & skf18("3","9","5","2","8","8","1") = "8"
    & skf18("3","9","5","2","8","9","1") = "8"
    & skf18("3","9","5","2","8","10","1") = "9"
    & skf18("3","9","5","2","9","1","1") = "8"
    & skf18("3","9","5","2","9","2","1") = "8"
    & skf18("3","9","5","2","9","3","1") = "8"
    & skf18("3","9","5","2","9","4","1") = "8"
    & skf18("3","9","5","2","9","5","1") = "8"
    & skf18("3","9","5","2","9","6","1") = "8"
    & skf18("3","9","5","2","9","7","1") = "8"
    & skf18("3","9","5","2","9","8","1") = "8"
    & skf18("3","9","5","2","9","9","1") = "8"
    & skf18("3","9","5","2","9","10","1") = "9"
    & skf18("3","9","5","2","10","1","1") = "9"
    & skf18("3","9","5","2","10","2","1") = "9"
    & skf18("3","9","5","2","10","3","1") = "9"
    & skf18("3","9","5","2","10","4","1") = "9"
    & skf18("3","9","5","2","10","5","1") = "9"
    & skf18("3","9","5","2","10","6","1") = "9"
    & skf18("3","9","5","2","10","7","1") = "9"
    & skf18("3","9","5","2","10","8","1") = "9"
    & skf18("3","9","5","2","10","9","1") = "9"
    & skf18("3","9","5","2","10","10","1") = "9"
    & skf18("3","9","5","3","1","1","1") = "8"
    & skf18("3","9","5","3","1","2","1") = "8"
    & skf18("3","9","5","3","1","3","1") = "8"
    & skf18("3","9","5","3","1","4","1") = "8"
    & skf18("3","9","5","3","1","5","1") = "8"
    & skf18("3","9","5","3","1","6","1") = "8"
    & skf18("3","9","5","3","1","7","1") = "8"
    & skf18("3","9","5","3","1","8","1") = "8"
    & skf18("3","9","5","3","1","9","1") = "8"
    & skf18("3","9","5","3","1","10","1") = "9"
    & skf18("3","9","5","3","2","1","1") = "8"
    & skf18("3","9","5","3","2","2","1") = "8"
    & skf18("3","9","5","3","2","3","1") = "8"
    & skf18("3","9","5","3","2","4","1") = "8"
    & skf18("3","9","5","3","2","5","1") = "8"
    & skf18("3","9","5","3","2","6","1") = "8"
    & skf18("3","9","5","3","2","7","1") = "8"
    & skf18("3","9","5","3","2","8","1") = "8"
    & skf18("3","9","5","3","2","9","1") = "8"
    & skf18("3","9","5","3","2","10","1") = "9"
    & skf18("3","9","5","3","3","1","1") = "8"
    & skf18("3","9","5","3","3","2","1") = "8"
    & skf18("3","9","5","3","3","3","1") = "8"
    & skf18("3","9","5","3","3","4","1") = "8"
    & skf18("3","9","5","3","3","5","1") = "8"
    & skf18("3","9","5","3","3","6","1") = "8"
    & skf18("3","9","5","3","3","7","1") = "8"
    & skf18("3","9","5","3","3","8","1") = "8"
    & skf18("3","9","5","3","3","9","1") = "8"
    & skf18("3","9","5","3","3","10","1") = "9"
    & skf18("3","9","5","3","4","1","1") = "8"
    & skf18("3","9","5","3","4","2","1") = "8"
    & skf18("3","9","5","3","4","3","1") = "8"
    & skf18("3","9","5","3","4","4","1") = "8"
    & skf18("3","9","5","3","4","5","1") = "8"
    & skf18("3","9","5","3","4","6","1") = "8"
    & skf18("3","9","5","3","4","7","1") = "8"
    & skf18("3","9","5","3","4","8","1") = "8"
    & skf18("3","9","5","3","4","9","1") = "8"
    & skf18("3","9","5","3","4","10","1") = "9"
    & skf18("3","9","5","3","5","1","1") = "8"
    & skf18("3","9","5","3","5","2","1") = "8"
    & skf18("3","9","5","3","5","3","1") = "8"
    & skf18("3","9","5","3","5","4","1") = "8"
    & skf18("3","9","5","3","5","5","1") = "8"
    & skf18("3","9","5","3","5","6","1") = "8"
    & skf18("3","9","5","3","5","7","1") = "8"
    & skf18("3","9","5","3","5","8","1") = "8"
    & skf18("3","9","5","3","5","9","1") = "8"
    & skf18("3","9","5","3","5","10","1") = "9"
    & skf18("3","9","5","3","6","1","1") = "8"
    & skf18("3","9","5","3","6","2","1") = "8"
    & skf18("3","9","5","3","6","3","1") = "8"
    & skf18("3","9","5","3","6","4","1") = "8"
    & skf18("3","9","5","3","6","5","1") = "8"
    & skf18("3","9","5","3","6","6","1") = "8"
    & skf18("3","9","5","3","6","7","1") = "8"
    & skf18("3","9","5","3","6","8","1") = "8"
    & skf18("3","9","5","3","6","9","1") = "8"
    & skf18("3","9","5","3","6","10","1") = "9"
    & skf18("3","9","5","3","7","1","1") = "8"
    & skf18("3","9","5","3","7","2","1") = "8"
    & skf18("3","9","5","3","7","3","1") = "8"
    & skf18("3","9","5","3","7","4","1") = "8"
    & skf18("3","9","5","3","7","5","1") = "8"
    & skf18("3","9","5","3","7","6","1") = "8"
    & skf18("3","9","5","3","7","7","1") = "8"
    & skf18("3","9","5","3","7","8","1") = "8"
    & skf18("3","9","5","3","7","9","1") = "8"
    & skf18("3","9","5","3","7","10","1") = "9"
    & skf18("3","9","5","3","8","1","1") = "8"
    & skf18("3","9","5","3","8","2","1") = "8"
    & skf18("3","9","5","3","8","3","1") = "8"
    & skf18("3","9","5","3","8","4","1") = "8"
    & skf18("3","9","5","3","8","5","1") = "8"
    & skf18("3","9","5","3","8","6","1") = "8"
    & skf18("3","9","5","3","8","7","1") = "8"
    & skf18("3","9","5","3","8","8","1") = "8"
    & skf18("3","9","5","3","8","9","1") = "8"
    & skf18("3","9","5","3","8","10","1") = "9"
    & skf18("3","9","5","3","9","1","1") = "8"
    & skf18("3","9","5","3","9","2","1") = "8"
    & skf18("3","9","5","3","9","3","1") = "8"
    & skf18("3","9","5","3","9","4","1") = "8"
    & skf18("3","9","5","3","9","5","1") = "8"
    & skf18("3","9","5","3","9","6","1") = "8"
    & skf18("3","9","5","3","9","7","1") = "8"
    & skf18("3","9","5","3","9","8","1") = "8"
    & skf18("3","9","5","3","9","9","1") = "8"
    & skf18("3","9","5","3","9","10","1") = "9"
    & skf18("3","9","5","3","10","1","1") = "9"
    & skf18("3","9","5","3","10","2","1") = "9"
    & skf18("3","9","5","3","10","3","1") = "9"
    & skf18("3","9","5","3","10","4","1") = "9"
    & skf18("3","9","5","3","10","5","1") = "9"
    & skf18("3","9","5","3","10","6","1") = "9"
    & skf18("3","9","5","3","10","7","1") = "9"
    & skf18("3","9","5","3","10","8","1") = "9"
    & skf18("3","9","5","3","10","9","1") = "9"
    & skf18("3","9","5","3","10","10","1") = "9"
    & skf18("3","9","5","4","1","1","1") = "8"
    & skf18("3","9","5","4","1","2","1") = "8"
    & skf18("3","9","5","4","1","3","1") = "8"
    & skf18("3","9","5","4","1","4","1") = "8"
    & skf18("3","9","5","4","1","5","1") = "8"
    & skf18("3","9","5","4","1","6","1") = "8"
    & skf18("3","9","5","4","1","7","1") = "8"
    & skf18("3","9","5","4","1","8","1") = "8"
    & skf18("3","9","5","4","1","9","1") = "8"
    & skf18("3","9","5","4","1","10","1") = "9"
    & skf18("3","9","5","4","2","1","1") = "8"
    & skf18("3","9","5","4","2","2","1") = "8"
    & skf18("3","9","5","4","2","3","1") = "8"
    & skf18("3","9","5","4","2","4","1") = "8"
    & skf18("3","9","5","4","2","5","1") = "8"
    & skf18("3","9","5","4","2","6","1") = "8"
    & skf18("3","9","5","4","2","7","1") = "8"
    & skf18("3","9","5","4","2","8","1") = "8"
    & skf18("3","9","5","4","2","9","1") = "8"
    & skf18("3","9","5","4","2","10","1") = "9"
    & skf18("3","9","5","4","3","1","1") = "8"
    & skf18("3","9","5","4","3","2","1") = "8"
    & skf18("3","9","5","4","3","3","1") = "8"
    & skf18("3","9","5","4","3","4","1") = "8"
    & skf18("3","9","5","4","3","5","1") = "8"
    & skf18("3","9","5","4","3","6","1") = "8"
    & skf18("3","9","5","4","3","7","1") = "8"
    & skf18("3","9","5","4","3","8","1") = "8"
    & skf18("3","9","5","4","3","9","1") = "8"
    & skf18("3","9","5","4","3","10","1") = "9"
    & skf18("3","9","5","4","4","1","1") = "8"
    & skf18("3","9","5","4","4","2","1") = "8"
    & skf18("3","9","5","4","4","3","1") = "8"
    & skf18("3","9","5","4","4","4","1") = "8"
    & skf18("3","9","5","4","4","5","1") = "8"
    & skf18("3","9","5","4","4","6","1") = "8"
    & skf18("3","9","5","4","4","7","1") = "8"
    & skf18("3","9","5","4","4","8","1") = "8"
    & skf18("3","9","5","4","4","9","1") = "8"
    & skf18("3","9","5","4","4","10","1") = "9"
    & skf18("3","9","5","4","5","1","1") = "8"
    & skf18("3","9","5","4","5","2","1") = "8"
    & skf18("3","9","5","4","5","3","1") = "8"
    & skf18("3","9","5","4","5","4","1") = "8"
    & skf18("3","9","5","4","5","5","1") = "8"
    & skf18("3","9","5","4","5","6","1") = "8"
    & skf18("3","9","5","4","5","7","1") = "8"
    & skf18("3","9","5","4","5","8","1") = "8"
    & skf18("3","9","5","4","5","9","1") = "8"
    & skf18("3","9","5","4","5","10","1") = "9"
    & skf18("3","9","5","4","6","1","1") = "8"
    & skf18("3","9","5","4","6","2","1") = "8"
    & skf18("3","9","5","4","6","3","1") = "8"
    & skf18("3","9","5","4","6","4","1") = "8"
    & skf18("3","9","5","4","6","5","1") = "8"
    & skf18("3","9","5","4","6","6","1") = "8"
    & skf18("3","9","5","4","6","7","1") = "8"
    & skf18("3","9","5","4","6","8","1") = "8"
    & skf18("3","9","5","4","6","9","1") = "8"
    & skf18("3","9","5","4","6","10","1") = "9"
    & skf18("3","9","5","4","7","1","1") = "8"
    & skf18("3","9","5","4","7","2","1") = "8"
    & skf18("3","9","5","4","7","3","1") = "8"
    & skf18("3","9","5","4","7","4","1") = "8"
    & skf18("3","9","5","4","7","5","1") = "8"
    & skf18("3","9","5","4","7","6","1") = "8"
    & skf18("3","9","5","4","7","7","1") = "8"
    & skf18("3","9","5","4","7","8","1") = "8"
    & skf18("3","9","5","4","7","9","1") = "8"
    & skf18("3","9","5","4","7","10","1") = "9"
    & skf18("3","9","5","4","8","1","1") = "8"
    & skf18("3","9","5","4","8","2","1") = "8"
    & skf18("3","9","5","4","8","3","1") = "8"
    & skf18("3","9","5","4","8","4","1") = "8"
    & skf18("3","9","5","4","8","5","1") = "8"
    & skf18("3","9","5","4","8","6","1") = "8"
    & skf18("3","9","5","4","8","7","1") = "8"
    & skf18("3","9","5","4","8","8","1") = "8"
    & skf18("3","9","5","4","8","9","1") = "8"
    & skf18("3","9","5","4","8","10","1") = "9"
    & skf18("3","9","5","4","9","1","1") = "8"
    & skf18("3","9","5","4","9","2","1") = "8"
    & skf18("3","9","5","4","9","3","1") = "8"
    & skf18("3","9","5","4","9","4","1") = "8"
    & skf18("3","9","5","4","9","5","1") = "8"
    & skf18("3","9","5","4","9","6","1") = "8"
    & skf18("3","9","5","4","9","7","1") = "8"
    & skf18("3","9","5","4","9","8","1") = "8"
    & skf18("3","9","5","4","9","9","1") = "8"
    & skf18("3","9","5","4","9","10","1") = "9"
    & skf18("3","9","5","4","10","1","1") = "9"
    & skf18("3","9","5","4","10","2","1") = "9"
    & skf18("3","9","5","4","10","3","1") = "9"
    & skf18("3","9","5","4","10","4","1") = "9"
    & skf18("3","9","5","4","10","5","1") = "9"
    & skf18("3","9","5","4","10","6","1") = "9"
    & skf18("3","9","5","4","10","7","1") = "9"
    & skf18("3","9","5","4","10","8","1") = "9"
    & skf18("3","9","5","4","10","9","1") = "9"
    & skf18("3","9","5","4","10","10","1") = "9"
    & skf18("3","9","5","5","1","1","1") = "8"
    & skf18("3","9","5","5","1","2","1") = "8"
    & skf18("3","9","5","5","1","3","1") = "8"
    & skf18("3","9","5","5","1","4","1") = "8"
    & skf18("3","9","5","5","1","5","1") = "8"
    & skf18("3","9","5","5","1","6","1") = "8"
    & skf18("3","9","5","5","1","7","1") = "8"
    & skf18("3","9","5","5","1","8","1") = "8"
    & skf18("3","9","5","5","1","9","1") = "8"
    & skf18("3","9","5","5","1","10","1") = "9"
    & skf18("3","9","5","5","2","1","1") = "8"
    & skf18("3","9","5","5","2","2","1") = "8"
    & skf18("3","9","5","5","2","3","1") = "8"
    & skf18("3","9","5","5","2","4","1") = "8"
    & skf18("3","9","5","5","2","5","1") = "8"
    & skf18("3","9","5","5","2","6","1") = "8"
    & skf18("3","9","5","5","2","7","1") = "8"
    & skf18("3","9","5","5","2","8","1") = "8"
    & skf18("3","9","5","5","2","9","1") = "8"
    & skf18("3","9","5","5","2","10","1") = "9"
    & skf18("3","9","5","5","3","1","1") = "8"
    & skf18("3","9","5","5","3","2","1") = "8"
    & skf18("3","9","5","5","3","3","1") = "8"
    & skf18("3","9","5","5","3","4","1") = "8"
    & skf18("3","9","5","5","3","5","1") = "8"
    & skf18("3","9","5","5","3","6","1") = "8"
    & skf18("3","9","5","5","3","7","1") = "8"
    & skf18("3","9","5","5","3","8","1") = "8"
    & skf18("3","9","5","5","3","9","1") = "8"
    & skf18("3","9","5","5","3","10","1") = "9"
    & skf18("3","9","5","5","4","1","1") = "8"
    & skf18("3","9","5","5","4","2","1") = "8"
    & skf18("3","9","5","5","4","3","1") = "8"
    & skf18("3","9","5","5","4","4","1") = "8"
    & skf18("3","9","5","5","4","5","1") = "8"
    & skf18("3","9","5","5","4","6","1") = "8"
    & skf18("3","9","5","5","4","7","1") = "8"
    & skf18("3","9","5","5","4","8","1") = "8"
    & skf18("3","9","5","5","4","9","1") = "8"
    & skf18("3","9","5","5","4","10","1") = "9"
    & skf18("3","9","5","5","5","1","1") = "8"
    & skf18("3","9","5","5","5","2","1") = "8"
    & skf18("3","9","5","5","5","3","1") = "8"
    & skf18("3","9","5","5","5","4","1") = "8"
    & skf18("3","9","5","5","5","5","1") = "8"
    & skf18("3","9","5","5","5","6","1") = "8"
    & skf18("3","9","5","5","5","7","1") = "8"
    & skf18("3","9","5","5","5","8","1") = "8"
    & skf18("3","9","5","5","5","9","1") = "8"
    & skf18("3","9","5","5","5","10","1") = "9"
    & skf18("3","9","5","5","6","1","1") = "8"
    & skf18("3","9","5","5","6","2","1") = "8"
    & skf18("3","9","5","5","6","3","1") = "8"
    & skf18("3","9","5","5","6","4","1") = "8"
    & skf18("3","9","5","5","6","5","1") = "8"
    & skf18("3","9","5","5","6","6","1") = "8"
    & skf18("3","9","5","5","6","7","1") = "8"
    & skf18("3","9","5","5","6","8","1") = "8"
    & skf18("3","9","5","5","6","9","1") = "8"
    & skf18("3","9","5","5","6","10","1") = "9"
    & skf18("3","9","5","5","7","1","1") = "8"
    & skf18("3","9","5","5","7","2","1") = "8"
    & skf18("3","9","5","5","7","3","1") = "8"
    & skf18("3","9","5","5","7","4","1") = "8"
    & skf18("3","9","5","5","7","5","1") = "8"
    & skf18("3","9","5","5","7","6","1") = "8"
    & skf18("3","9","5","5","7","7","1") = "8"
    & skf18("3","9","5","5","7","8","1") = "8"
    & skf18("3","9","5","5","7","9","1") = "8"
    & skf18("3","9","5","5","7","10","1") = "9"
    & skf18("3","9","5","5","8","1","1") = "8"
    & skf18("3","9","5","5","8","2","1") = "8"
    & skf18("3","9","5","5","8","3","1") = "8"
    & skf18("3","9","5","5","8","4","1") = "8"
    & skf18("3","9","5","5","8","5","1") = "8"
    & skf18("3","9","5","5","8","6","1") = "8"
    & skf18("3","9","5","5","8","7","1") = "8"
    & skf18("3","9","5","5","8","8","1") = "8"
    & skf18("3","9","5","5","8","9","1") = "8"
    & skf18("3","9","5","5","8","10","1") = "9"
    & skf18("3","9","5","5","9","1","1") = "8"
    & skf18("3","9","5","5","9","2","1") = "8"
    & skf18("3","9","5","5","9","3","1") = "8"
    & skf18("3","9","5","5","9","4","1") = "8"
    & skf18("3","9","5","5","9","5","1") = "8"
    & skf18("3","9","5","5","9","6","1") = "8"
    & skf18("3","9","5","5","9","7","1") = "8"
    & skf18("3","9","5","5","9","8","1") = "8"
    & skf18("3","9","5","5","9","9","1") = "8"
    & skf18("3","9","5","5","9","10","1") = "9"
    & skf18("3","9","5","5","10","1","1") = "9"
    & skf18("3","9","5","5","10","2","1") = "9"
    & skf18("3","9","5","5","10","3","1") = "9"
    & skf18("3","9","5","5","10","4","1") = "9"
    & skf18("3","9","5","5","10","5","1") = "9"
    & skf18("3","9","5","5","10","6","1") = "9"
    & skf18("3","9","5","5","10","7","1") = "9"
    & skf18("3","9","5","5","10","8","1") = "9"
    & skf18("3","9","5","5","10","9","1") = "9"
    & skf18("3","9","5","5","10","10","1") = "9"
    & skf18("3","9","5","6","1","1","1") = "8"
    & skf18("3","9","5","6","1","2","1") = "8"
    & skf18("3","9","5","6","1","3","1") = "8"
    & skf18("3","9","5","6","1","4","1") = "8"
    & skf18("3","9","5","6","1","5","1") = "8"
    & skf18("3","9","5","6","1","6","1") = "8"
    & skf18("3","9","5","6","1","7","1") = "8"
    & skf18("3","9","5","6","1","8","1") = "8"
    & skf18("3","9","5","6","1","9","1") = "8"
    & skf18("3","9","5","6","1","10","1") = "9"
    & skf18("3","9","5","6","2","1","1") = "8"
    & skf18("3","9","5","6","2","2","1") = "8"
    & skf18("3","9","5","6","2","3","1") = "8"
    & skf18("3","9","5","6","2","4","1") = "8"
    & skf18("3","9","5","6","2","5","1") = "8"
    & skf18("3","9","5","6","2","6","1") = "8"
    & skf18("3","9","5","6","2","7","1") = "8"
    & skf18("3","9","5","6","2","8","1") = "8"
    & skf18("3","9","5","6","2","9","1") = "8"
    & skf18("3","9","5","6","2","10","1") = "9"
    & skf18("3","9","5","6","3","1","1") = "8"
    & skf18("3","9","5","6","3","2","1") = "8"
    & skf18("3","9","5","6","3","3","1") = "8"
    & skf18("3","9","5","6","3","4","1") = "8"
    & skf18("3","9","5","6","3","5","1") = "8"
    & skf18("3","9","5","6","3","6","1") = "8"
    & skf18("3","9","5","6","3","7","1") = "8"
    & skf18("3","9","5","6","3","8","1") = "8"
    & skf18("3","9","5","6","3","9","1") = "8"
    & skf18("3","9","5","6","3","10","1") = "9"
    & skf18("3","9","5","6","4","1","1") = "8"
    & skf18("3","9","5","6","4","2","1") = "8"
    & skf18("3","9","5","6","4","3","1") = "8"
    & skf18("3","9","5","6","4","4","1") = "8"
    & skf18("3","9","5","6","4","5","1") = "8"
    & skf18("3","9","5","6","4","6","1") = "8"
    & skf18("3","9","5","6","4","7","1") = "8"
    & skf18("3","9","5","6","4","8","1") = "8"
    & skf18("3","9","5","6","4","9","1") = "8"
    & skf18("3","9","5","6","4","10","1") = "9"
    & skf18("3","9","5","6","5","1","1") = "8"
    & skf18("3","9","5","6","5","2","1") = "8"
    & skf18("3","9","5","6","5","3","1") = "8"
    & skf18("3","9","5","6","5","4","1") = "8"
    & skf18("3","9","5","6","5","5","1") = "8"
    & skf18("3","9","5","6","5","6","1") = "8"
    & skf18("3","9","5","6","5","7","1") = "8"
    & skf18("3","9","5","6","5","8","1") = "8"
    & skf18("3","9","5","6","5","9","1") = "8"
    & skf18("3","9","5","6","5","10","1") = "9"
    & skf18("3","9","5","6","6","1","1") = "8"
    & skf18("3","9","5","6","6","2","1") = "8"
    & skf18("3","9","5","6","6","3","1") = "8"
    & skf18("3","9","5","6","6","4","1") = "8"
    & skf18("3","9","5","6","6","5","1") = "8"
    & skf18("3","9","5","6","6","6","1") = "8"
    & skf18("3","9","5","6","6","7","1") = "8"
    & skf18("3","9","5","6","6","8","1") = "8"
    & skf18("3","9","5","6","6","9","1") = "8"
    & skf18("3","9","5","6","6","10","1") = "9"
    & skf18("3","9","5","6","7","1","1") = "8"
    & skf18("3","9","5","6","7","2","1") = "8"
    & skf18("3","9","5","6","7","3","1") = "8"
    & skf18("3","9","5","6","7","4","1") = "8"
    & skf18("3","9","5","6","7","5","1") = "8"
    & skf18("3","9","5","6","7","6","1") = "8"
    & skf18("3","9","5","6","7","7","1") = "8"
    & skf18("3","9","5","6","7","8","1") = "8"
    & skf18("3","9","5","6","7","9","1") = "8"
    & skf18("3","9","5","6","7","10","1") = "9"
    & skf18("3","9","5","6","8","1","1") = "8"
    & skf18("3","9","5","6","8","2","1") = "8"
    & skf18("3","9","5","6","8","3","1") = "8"
    & skf18("3","9","5","6","8","4","1") = "8"
    & skf18("3","9","5","6","8","5","1") = "8"
    & skf18("3","9","5","6","8","6","1") = "8"
    & skf18("3","9","5","6","8","7","1") = "8"
    & skf18("3","9","5","6","8","8","1") = "8"
    & skf18("3","9","5","6","8","9","1") = "8"
    & skf18("3","9","5","6","8","10","1") = "9"
    & skf18("3","9","5","6","9","1","1") = "8"
    & skf18("3","9","5","6","9","2","1") = "8"
    & skf18("3","9","5","6","9","3","1") = "8"
    & skf18("3","9","5","6","9","4","1") = "8"
    & skf18("3","9","5","6","9","5","1") = "8"
    & skf18("3","9","5","6","9","6","1") = "8"
    & skf18("3","9","5","6","9","7","1") = "8"
    & skf18("3","9","5","6","9","8","1") = "8"
    & skf18("3","9","5","6","9","9","1") = "8"
    & skf18("3","9","5","6","9","10","1") = "9"
    & skf18("3","9","5","6","10","1","1") = "9"
    & skf18("3","9","5","6","10","2","1") = "9"
    & skf18("3","9","5","6","10","3","1") = "9"
    & skf18("3","9","5","6","10","4","1") = "9"
    & skf18("3","9","5","6","10","5","1") = "9"
    & skf18("3","9","5","6","10","6","1") = "9"
    & skf18("3","9","5","6","10","7","1") = "9"
    & skf18("3","9","5","6","10","8","1") = "9"
    & skf18("3","9","5","6","10","9","1") = "9"
    & skf18("3","9","5","6","10","10","1") = "9"
    & skf18("3","9","5","7","1","1","1") = "8"
    & skf18("3","9","5","7","1","2","1") = "8"
    & skf18("3","9","5","7","1","3","1") = "8"
    & skf18("3","9","5","7","1","4","1") = "8"
    & skf18("3","9","5","7","1","5","1") = "8"
    & skf18("3","9","5","7","1","6","1") = "8"
    & skf18("3","9","5","7","1","7","1") = "8"
    & skf18("3","9","5","7","1","8","1") = "8"
    & skf18("3","9","5","7","1","9","1") = "8"
    & skf18("3","9","5","7","1","10","1") = "9"
    & skf18("3","9","5","7","2","1","1") = "8"
    & skf18("3","9","5","7","2","2","1") = "8"
    & skf18("3","9","5","7","2","3","1") = "8"
    & skf18("3","9","5","7","2","4","1") = "8"
    & skf18("3","9","5","7","2","5","1") = "8"
    & skf18("3","9","5","7","2","6","1") = "8"
    & skf18("3","9","5","7","2","7","1") = "8"
    & skf18("3","9","5","7","2","8","1") = "8"
    & skf18("3","9","5","7","2","9","1") = "8"
    & skf18("3","9","5","7","2","10","1") = "9"
    & skf18("3","9","5","7","3","1","1") = "8"
    & skf18("3","9","5","7","3","2","1") = "8"
    & skf18("3","9","5","7","3","3","1") = "8"
    & skf18("3","9","5","7","3","4","1") = "8"
    & skf18("3","9","5","7","3","5","1") = "8"
    & skf18("3","9","5","7","3","6","1") = "8"
    & skf18("3","9","5","7","3","7","1") = "8"
    & skf18("3","9","5","7","3","8","1") = "8"
    & skf18("3","9","5","7","3","9","1") = "8"
    & skf18("3","9","5","7","3","10","1") = "9"
    & skf18("3","9","5","7","4","1","1") = "8"
    & skf18("3","9","5","7","4","2","1") = "8"
    & skf18("3","9","5","7","4","3","1") = "8"
    & skf18("3","9","5","7","4","4","1") = "8"
    & skf18("3","9","5","7","4","5","1") = "8"
    & skf18("3","9","5","7","4","6","1") = "8"
    & skf18("3","9","5","7","4","7","1") = "8"
    & skf18("3","9","5","7","4","8","1") = "8"
    & skf18("3","9","5","7","4","9","1") = "8"
    & skf18("3","9","5","7","4","10","1") = "9"
    & skf18("3","9","5","7","5","1","1") = "8"
    & skf18("3","9","5","7","5","2","1") = "8"
    & skf18("3","9","5","7","5","3","1") = "8"
    & skf18("3","9","5","7","5","4","1") = "8"
    & skf18("3","9","5","7","5","5","1") = "8"
    & skf18("3","9","5","7","5","6","1") = "8"
    & skf18("3","9","5","7","5","7","1") = "8"
    & skf18("3","9","5","7","5","8","1") = "8"
    & skf18("3","9","5","7","5","9","1") = "8"
    & skf18("3","9","5","7","5","10","1") = "9"
    & skf18("3","9","5","7","6","1","1") = "8"
    & skf18("3","9","5","7","6","2","1") = "8"
    & skf18("3","9","5","7","6","3","1") = "8"
    & skf18("3","9","5","7","6","4","1") = "8"
    & skf18("3","9","5","7","6","5","1") = "8"
    & skf18("3","9","5","7","6","6","1") = "8"
    & skf18("3","9","5","7","6","7","1") = "8"
    & skf18("3","9","5","7","6","8","1") = "8"
    & skf18("3","9","5","7","6","9","1") = "8"
    & skf18("3","9","5","7","6","10","1") = "9"
    & skf18("3","9","5","7","7","1","1") = "8"
    & skf18("3","9","5","7","7","2","1") = "8"
    & skf18("3","9","5","7","7","3","1") = "8"
    & skf18("3","9","5","7","7","4","1") = "8"
    & skf18("3","9","5","7","7","5","1") = "8"
    & skf18("3","9","5","7","7","6","1") = "8"
    & skf18("3","9","5","7","7","7","1") = "8"
    & skf18("3","9","5","7","7","8","1") = "8"
    & skf18("3","9","5","7","7","9","1") = "8"
    & skf18("3","9","5","7","7","10","1") = "9"
    & skf18("3","9","5","7","8","1","1") = "8"
    & skf18("3","9","5","7","8","2","1") = "8"
    & skf18("3","9","5","7","8","3","1") = "8"
    & skf18("3","9","5","7","8","4","1") = "8"
    & skf18("3","9","5","7","8","5","1") = "8"
    & skf18("3","9","5","7","8","6","1") = "8"
    & skf18("3","9","5","7","8","7","1") = "8"
    & skf18("3","9","5","7","8","8","1") = "8"
    & skf18("3","9","5","7","8","9","1") = "8"
    & skf18("3","9","5","7","8","10","1") = "9"
    & skf18("3","9","5","7","9","1","1") = "8"
    & skf18("3","9","5","7","9","2","1") = "8"
    & skf18("3","9","5","7","9","3","1") = "8"
    & skf18("3","9","5","7","9","4","1") = "8"
    & skf18("3","9","5","7","9","5","1") = "8"
    & skf18("3","9","5","7","9","6","1") = "8"
    & skf18("3","9","5","7","9","7","1") = "8"
    & skf18("3","9","5","7","9","8","1") = "8"
    & skf18("3","9","5","7","9","9","1") = "8"
    & skf18("3","9","5","7","9","10","1") = "9"
    & skf18("3","9","5","7","10","1","1") = "9"
    & skf18("3","9","5","7","10","2","1") = "9"
    & skf18("3","9","5","7","10","3","1") = "9"
    & skf18("3","9","5","7","10","4","1") = "9"
    & skf18("3","9","5","7","10","5","1") = "9"
    & skf18("3","9","5","7","10","6","1") = "9"
    & skf18("3","9","5","7","10","7","1") = "9"
    & skf18("3","9","5","7","10","8","1") = "9"
    & skf18("3","9","5","7","10","9","1") = "9"
    & skf18("3","9","5","7","10","10","1") = "9"
    & skf18("3","9","5","8","1","1","1") = "8"
    & skf18("3","9","5","8","1","2","1") = "8"
    & skf18("3","9","5","8","1","3","1") = "8"
    & skf18("3","9","5","8","1","4","1") = "8"
    & skf18("3","9","5","8","1","5","1") = "8"
    & skf18("3","9","5","8","1","6","1") = "8"
    & skf18("3","9","5","8","1","7","1") = "8"
    & skf18("3","9","5","8","1","8","1") = "8"
    & skf18("3","9","5","8","1","9","1") = "8"
    & skf18("3","9","5","8","1","10","1") = "9"
    & skf18("3","9","5","8","2","1","1") = "8"
    & skf18("3","9","5","8","2","2","1") = "8"
    & skf18("3","9","5","8","2","3","1") = "8"
    & skf18("3","9","5","8","2","4","1") = "8"
    & skf18("3","9","5","8","2","5","1") = "8"
    & skf18("3","9","5","8","2","6","1") = "8"
    & skf18("3","9","5","8","2","7","1") = "8"
    & skf18("3","9","5","8","2","8","1") = "8"
    & skf18("3","9","5","8","2","9","1") = "8"
    & skf18("3","9","5","8","2","10","1") = "9"
    & skf18("3","9","5","8","3","1","1") = "8"
    & skf18("3","9","5","8","3","2","1") = "8"
    & skf18("3","9","5","8","3","3","1") = "8"
    & skf18("3","9","5","8","3","4","1") = "8"
    & skf18("3","9","5","8","3","5","1") = "8"
    & skf18("3","9","5","8","3","6","1") = "8"
    & skf18("3","9","5","8","3","7","1") = "8"
    & skf18("3","9","5","8","3","8","1") = "8"
    & skf18("3","9","5","8","3","9","1") = "8"
    & skf18("3","9","5","8","3","10","1") = "9"
    & skf18("3","9","5","8","4","1","1") = "8"
    & skf18("3","9","5","8","4","2","1") = "8"
    & skf18("3","9","5","8","4","3","1") = "8"
    & skf18("3","9","5","8","4","4","1") = "8"
    & skf18("3","9","5","8","4","5","1") = "8"
    & skf18("3","9","5","8","4","6","1") = "8"
    & skf18("3","9","5","8","4","7","1") = "8"
    & skf18("3","9","5","8","4","8","1") = "8"
    & skf18("3","9","5","8","4","9","1") = "8"
    & skf18("3","9","5","8","4","10","1") = "9"
    & skf18("3","9","5","8","5","1","1") = "8"
    & skf18("3","9","5","8","5","2","1") = "8"
    & skf18("3","9","5","8","5","3","1") = "8"
    & skf18("3","9","5","8","5","4","1") = "8"
    & skf18("3","9","5","8","5","5","1") = "8"
    & skf18("3","9","5","8","5","6","1") = "8"
    & skf18("3","9","5","8","5","7","1") = "8"
    & skf18("3","9","5","8","5","8","1") = "8"
    & skf18("3","9","5","8","5","9","1") = "8"
    & skf18("3","9","5","8","5","10","1") = "9"
    & skf18("3","9","5","8","6","1","1") = "8"
    & skf18("3","9","5","8","6","2","1") = "8"
    & skf18("3","9","5","8","6","3","1") = "8"
    & skf18("3","9","5","8","6","4","1") = "8"
    & skf18("3","9","5","8","6","5","1") = "8"
    & skf18("3","9","5","8","6","6","1") = "8"
    & skf18("3","9","5","8","6","7","1") = "8"
    & skf18("3","9","5","8","6","8","1") = "8"
    & skf18("3","9","5","8","6","9","1") = "8"
    & skf18("3","9","5","8","6","10","1") = "9"
    & skf18("3","9","5","8","7","1","1") = "8"
    & skf18("3","9","5","8","7","2","1") = "8"
    & skf18("3","9","5","8","7","3","1") = "8"
    & skf18("3","9","5","8","7","4","1") = "8"
    & skf18("3","9","5","8","7","5","1") = "8"
    & skf18("3","9","5","8","7","6","1") = "8"
    & skf18("3","9","5","8","7","7","1") = "8"
    & skf18("3","9","5","8","7","8","1") = "8"
    & skf18("3","9","5","8","7","9","1") = "8"
    & skf18("3","9","5","8","7","10","1") = "9"
    & skf18("3","9","5","8","8","1","1") = "8"
    & skf18("3","9","5","8","8","2","1") = "8"
    & skf18("3","9","5","8","8","3","1") = "8"
    & skf18("3","9","5","8","8","4","1") = "8"
    & skf18("3","9","5","8","8","5","1") = "8"
    & skf18("3","9","5","8","8","6","1") = "8"
    & skf18("3","9","5","8","8","7","1") = "8"
    & skf18("3","9","5","8","8","8","1") = "8"
    & skf18("3","9","5","8","8","9","1") = "8"
    & skf18("3","9","5","8","8","10","1") = "9"
    & skf18("3","9","5","8","9","1","1") = "8"
    & skf18("3","9","5","8","9","2","1") = "8"
    & skf18("3","9","5","8","9","3","1") = "8"
    & skf18("3","9","5","8","9","4","1") = "8"
    & skf18("3","9","5","8","9","5","1") = "8"
    & skf18("3","9","5","8","9","6","1") = "8"
    & skf18("3","9","5","8","9","7","1") = "8"
    & skf18("3","9","5","8","9","8","1") = "8"
    & skf18("3","9","5","8","9","9","1") = "8"
    & skf18("3","9","5","8","9","10","1") = "9"
    & skf18("3","9","5","8","10","1","1") = "9"
    & skf18("3","9","5","8","10","2","1") = "9"
    & skf18("3","9","5","8","10","3","1") = "9"
    & skf18("3","9","5","8","10","4","1") = "9"
    & skf18("3","9","5","8","10","5","1") = "9"
    & skf18("3","9","5","8","10","6","1") = "9"
    & skf18("3","9","5","8","10","7","1") = "9"
    & skf18("3","9","5","8","10","8","1") = "9"
    & skf18("3","9","5","8","10","9","1") = "9"
    & skf18("3","9","5","8","10","10","1") = "9"
    & skf18("3","9","5","9","1","1","1") = "8"
    & skf18("3","9","5","9","1","2","1") = "8"
    & skf18("3","9","5","9","1","3","1") = "8"
    & skf18("3","9","5","9","1","4","1") = "8"
    & skf18("3","9","5","9","1","5","1") = "8"
    & skf18("3","9","5","9","1","6","1") = "8"
    & skf18("3","9","5","9","1","7","1") = "8"
    & skf18("3","9","5","9","1","8","1") = "8"
    & skf18("3","9","5","9","1","9","1") = "8"
    & skf18("3","9","5","9","1","10","1") = "9"
    & skf18("3","9","5","9","2","1","1") = "8"
    & skf18("3","9","5","9","2","2","1") = "8"
    & skf18("3","9","5","9","2","3","1") = "8"
    & skf18("3","9","5","9","2","4","1") = "8"
    & skf18("3","9","5","9","2","5","1") = "8"
    & skf18("3","9","5","9","2","6","1") = "8"
    & skf18("3","9","5","9","2","7","1") = "8"
    & skf18("3","9","5","9","2","8","1") = "8"
    & skf18("3","9","5","9","2","9","1") = "8"
    & skf18("3","9","5","9","2","10","1") = "9"
    & skf18("3","9","5","9","3","1","1") = "8"
    & skf18("3","9","5","9","3","2","1") = "8"
    & skf18("3","9","5","9","3","3","1") = "8"
    & skf18("3","9","5","9","3","4","1") = "8"
    & skf18("3","9","5","9","3","5","1") = "8"
    & skf18("3","9","5","9","3","6","1") = "8"
    & skf18("3","9","5","9","3","7","1") = "8"
    & skf18("3","9","5","9","3","8","1") = "8"
    & skf18("3","9","5","9","3","9","1") = "8"
    & skf18("3","9","5","9","3","10","1") = "9"
    & skf18("3","9","5","9","4","1","1") = "8"
    & skf18("3","9","5","9","4","2","1") = "8"
    & skf18("3","9","5","9","4","3","1") = "8"
    & skf18("3","9","5","9","4","4","1") = "8"
    & skf18("3","9","5","9","4","5","1") = "8"
    & skf18("3","9","5","9","4","6","1") = "8"
    & skf18("3","9","5","9","4","7","1") = "8"
    & skf18("3","9","5","9","4","8","1") = "8"
    & skf18("3","9","5","9","4","9","1") = "8"
    & skf18("3","9","5","9","4","10","1") = "9"
    & skf18("3","9","5","9","5","1","1") = "8"
    & skf18("3","9","5","9","5","2","1") = "8"
    & skf18("3","9","5","9","5","3","1") = "8"
    & skf18("3","9","5","9","5","4","1") = "8"
    & skf18("3","9","5","9","5","5","1") = "8"
    & skf18("3","9","5","9","5","6","1") = "8"
    & skf18("3","9","5","9","5","7","1") = "8"
    & skf18("3","9","5","9","5","8","1") = "8"
    & skf18("3","9","5","9","5","9","1") = "8"
    & skf18("3","9","5","9","5","10","1") = "9"
    & skf18("3","9","5","9","6","1","1") = "8"
    & skf18("3","9","5","9","6","2","1") = "8"
    & skf18("3","9","5","9","6","3","1") = "8"
    & skf18("3","9","5","9","6","4","1") = "8"
    & skf18("3","9","5","9","6","5","1") = "8"
    & skf18("3","9","5","9","6","6","1") = "8"
    & skf18("3","9","5","9","6","7","1") = "8"
    & skf18("3","9","5","9","6","8","1") = "8"
    & skf18("3","9","5","9","6","9","1") = "8"
    & skf18("3","9","5","9","6","10","1") = "9"
    & skf18("3","9","5","9","7","1","1") = "8"
    & skf18("3","9","5","9","7","2","1") = "8"
    & skf18("3","9","5","9","7","3","1") = "8"
    & skf18("3","9","5","9","7","4","1") = "8"
    & skf18("3","9","5","9","7","5","1") = "8"
    & skf18("3","9","5","9","7","6","1") = "8"
    & skf18("3","9","5","9","7","7","1") = "8"
    & skf18("3","9","5","9","7","8","1") = "8"
    & skf18("3","9","5","9","7","9","1") = "8"
    & skf18("3","9","5","9","7","10","1") = "9"
    & skf18("3","9","5","9","8","1","1") = "8"
    & skf18("3","9","5","9","8","2","1") = "8"
    & skf18("3","9","5","9","8","3","1") = "8"
    & skf18("3","9","5","9","8","4","1") = "8"
    & skf18("3","9","5","9","8","5","1") = "8"
    & skf18("3","9","5","9","8","6","1") = "8"
    & skf18("3","9","5","9","8","7","1") = "8"
    & skf18("3","9","5","9","8","8","1") = "8"
    & skf18("3","9","5","9","8","9","1") = "8"
    & skf18("3","9","5","9","8","10","1") = "9"
    & skf18("3","9","5","9","9","1","1") = "8"
    & skf18("3","9","5","9","9","2","1") = "8"
    & skf18("3","9","5","9","9","3","1") = "8"
    & skf18("3","9","5","9","9","4","1") = "8"
    & skf18("3","9","5","9","9","5","1") = "8"
    & skf18("3","9","5","9","9","6","1") = "8"
    & skf18("3","9","5","9","9","7","1") = "8"
    & skf18("3","9","5","9","9","8","1") = "8"
    & skf18("3","9","5","9","9","9","1") = "8"
    & skf18("3","9","5","9","9","10","1") = "9"
    & skf18("3","9","5","9","10","1","1") = "9"
    & skf18("3","9","5","9","10","2","1") = "9"
    & skf18("3","9","5","9","10","3","1") = "9"
    & skf18("3","9","5","9","10","4","1") = "9"
    & skf18("3","9","5","9","10","5","1") = "9"
    & skf18("3","9","5","9","10","6","1") = "9"
    & skf18("3","9","5","9","10","7","1") = "9"
    & skf18("3","9","5","9","10","8","1") = "9"
    & skf18("3","9","5","9","10","9","1") = "9"
    & skf18("3","9","5","9","10","10","1") = "9"
    & skf18("3","9","5","10","1","1","1") = "9"
    & skf18("3","9","5","10","1","2","1") = "9"
    & skf18("3","9","5","10","1","3","1") = "9"
    & skf18("3","9","5","10","1","4","1") = "9"
    & skf18("3","9","5","10","1","5","1") = "9"
    & skf18("3","9","5","10","1","6","1") = "9"
    & skf18("3","9","5","10","1","7","1") = "9"
    & skf18("3","9","5","10","1","8","1") = "9"
    & skf18("3","9","5","10","1","9","1") = "9"
    & skf18("3","9","5","10","1","10","1") = "9"
    & skf18("3","9","5","10","2","1","1") = "9"
    & skf18("3","9","5","10","2","2","1") = "9"
    & skf18("3","9","5","10","2","3","1") = "9"
    & skf18("3","9","5","10","2","4","1") = "9"
    & skf18("3","9","5","10","2","5","1") = "9"
    & skf18("3","9","5","10","2","6","1") = "9"
    & skf18("3","9","5","10","2","7","1") = "9"
    & skf18("3","9","5","10","2","8","1") = "9"
    & skf18("3","9","5","10","2","9","1") = "9"
    & skf18("3","9","5","10","2","10","1") = "9"
    & skf18("3","9","5","10","3","1","1") = "9"
    & skf18("3","9","5","10","3","2","1") = "9"
    & skf18("3","9","5","10","3","3","1") = "9"
    & skf18("3","9","5","10","3","4","1") = "9"
    & skf18("3","9","5","10","3","5","1") = "9"
    & skf18("3","9","5","10","3","6","1") = "9"
    & skf18("3","9","5","10","3","7","1") = "9"
    & skf18("3","9","5","10","3","8","1") = "9"
    & skf18("3","9","5","10","3","9","1") = "9"
    & skf18("3","9","5","10","3","10","1") = "9"
    & skf18("3","9","5","10","4","1","1") = "9"
    & skf18("3","9","5","10","4","2","1") = "9"
    & skf18("3","9","5","10","4","3","1") = "9"
    & skf18("3","9","5","10","4","4","1") = "9"
    & skf18("3","9","5","10","4","5","1") = "9"
    & skf18("3","9","5","10","4","6","1") = "9"
    & skf18("3","9","5","10","4","7","1") = "9"
    & skf18("3","9","5","10","4","8","1") = "9"
    & skf18("3","9","5","10","4","9","1") = "9"
    & skf18("3","9","5","10","4","10","1") = "9"
    & skf18("3","9","5","10","5","1","1") = "9"
    & skf18("3","9","5","10","5","2","1") = "9"
    & skf18("3","9","5","10","5","3","1") = "9"
    & skf18("3","9","5","10","5","4","1") = "9"
    & skf18("3","9","5","10","5","5","1") = "9"
    & skf18("3","9","5","10","5","6","1") = "9"
    & skf18("3","9","5","10","5","7","1") = "9"
    & skf18("3","9","5","10","5","8","1") = "9"
    & skf18("3","9","5","10","5","9","1") = "9"
    & skf18("3","9","5","10","5","10","1") = "9"
    & skf18("3","9","5","10","6","1","1") = "9"
    & skf18("3","9","5","10","6","2","1") = "9"
    & skf18("3","9","5","10","6","3","1") = "9"
    & skf18("3","9","5","10","6","4","1") = "9"
    & skf18("3","9","5","10","6","5","1") = "9"
    & skf18("3","9","5","10","6","6","1") = "9"
    & skf18("3","9","5","10","6","7","1") = "9"
    & skf18("3","9","5","10","6","8","1") = "9"
    & skf18("3","9","5","10","6","9","1") = "9"
    & skf18("3","9","5","10","6","10","1") = "9"
    & skf18("3","9","5","10","7","1","1") = "9"
    & skf18("3","9","5","10","7","2","1") = "9"
    & skf18("3","9","5","10","7","3","1") = "9"
    & skf18("3","9","5","10","7","4","1") = "9"
    & skf18("3","9","5","10","7","5","1") = "9"
    & skf18("3","9","5","10","7","6","1") = "9"
    & skf18("3","9","5","10","7","7","1") = "9"
    & skf18("3","9","5","10","7","8","1") = "9"
    & skf18("3","9","5","10","7","9","1") = "9"
    & skf18("3","9","5","10","7","10","1") = "9"
    & skf18("3","9","5","10","8","1","1") = "9"
    & skf18("3","9","5","10","8","2","1") = "9"
    & skf18("3","9","5","10","8","3","1") = "9"
    & skf18("3","9","5","10","8","4","1") = "9"
    & skf18("3","9","5","10","8","5","1") = "9"
    & skf18("3","9","5","10","8","6","1") = "9"
    & skf18("3","9","5","10","8","7","1") = "9"
    & skf18("3","9","5","10","8","8","1") = "9"
    & skf18("3","9","5","10","8","9","1") = "9"
    & skf18("3","9","5","10","8","10","1") = "9"
    & skf18("3","9","5","10","9","1","1") = "9"
    & skf18("3","9","5","10","9","2","1") = "9"
    & skf18("3","9","5","10","9","3","1") = "9"
    & skf18("3","9","5","10","9","4","1") = "9"
    & skf18("3","9","5","10","9","5","1") = "9"
    & skf18("3","9","5","10","9","6","1") = "9"
    & skf18("3","9","5","10","9","7","1") = "9"
    & skf18("3","9","5","10","9","8","1") = "9"
    & skf18("3","9","5","10","9","9","1") = "9"
    & skf18("3","9","5","10","9","10","1") = "9"
    & skf18("3","9","5","10","10","1","1") = "9"
    & skf18("3","9","5","10","10","2","1") = "9"
    & skf18("3","9","5","10","10","3","1") = "9"
    & skf18("3","9","5","10","10","4","1") = "9"
    & skf18("3","9","5","10","10","5","1") = "9"
    & skf18("3","9","5","10","10","6","1") = "9"
    & skf18("3","9","5","10","10","7","1") = "9"
    & skf18("3","9","5","10","10","8","1") = "9"
    & skf18("3","9","5","10","10","9","1") = "9"
    & skf18("3","9","5","10","10","10","1") = "9"
    & skf18("3","9","6","1","1","1","1") = "8"
    & skf18("3","9","6","1","1","2","1") = "8"
    & skf18("3","9","6","1","1","3","1") = "8"
    & skf18("3","9","6","1","1","4","1") = "8"
    & skf18("3","9","6","1","1","5","1") = "8"
    & skf18("3","9","6","1","1","6","1") = "8"
    & skf18("3","9","6","1","1","7","1") = "8"
    & skf18("3","9","6","1","1","8","1") = "8"
    & skf18("3","9","6","1","1","9","1") = "8"
    & skf18("3","9","6","1","1","10","1") = "9"
    & skf18("3","9","6","1","2","1","1") = "8"
    & skf18("3","9","6","1","2","2","1") = "8"
    & skf18("3","9","6","1","2","3","1") = "8"
    & skf18("3","9","6","1","2","4","1") = "8"
    & skf18("3","9","6","1","2","5","1") = "8"
    & skf18("3","9","6","1","2","6","1") = "8"
    & skf18("3","9","6","1","2","7","1") = "8"
    & skf18("3","9","6","1","2","8","1") = "8"
    & skf18("3","9","6","1","2","9","1") = "8"
    & skf18("3","9","6","1","2","10","1") = "9"
    & skf18("3","9","6","1","3","1","1") = "8"
    & skf18("3","9","6","1","3","2","1") = "8"
    & skf18("3","9","6","1","3","3","1") = "8"
    & skf18("3","9","6","1","3","4","1") = "8"
    & skf18("3","9","6","1","3","5","1") = "8"
    & skf18("3","9","6","1","3","6","1") = "8"
    & skf18("3","9","6","1","3","7","1") = "8"
    & skf18("3","9","6","1","3","8","1") = "8"
    & skf18("3","9","6","1","3","9","1") = "8"
    & skf18("3","9","6","1","3","10","1") = "9"
    & skf18("3","9","6","1","4","1","1") = "8"
    & skf18("3","9","6","1","4","2","1") = "8"
    & skf18("3","9","6","1","4","3","1") = "8"
    & skf18("3","9","6","1","4","4","1") = "8"
    & skf18("3","9","6","1","4","5","1") = "8"
    & skf18("3","9","6","1","4","6","1") = "8"
    & skf18("3","9","6","1","4","7","1") = "8"
    & skf18("3","9","6","1","4","8","1") = "8"
    & skf18("3","9","6","1","4","9","1") = "8"
    & skf18("3","9","6","1","4","10","1") = "9"
    & skf18("3","9","6","1","5","1","1") = "8"
    & skf18("3","9","6","1","5","2","1") = "8"
    & skf18("3","9","6","1","5","3","1") = "8"
    & skf18("3","9","6","1","5","4","1") = "8"
    & skf18("3","9","6","1","5","5","1") = "8"
    & skf18("3","9","6","1","5","6","1") = "8"
    & skf18("3","9","6","1","5","7","1") = "8"
    & skf18("3","9","6","1","5","8","1") = "8"
    & skf18("3","9","6","1","5","9","1") = "8"
    & skf18("3","9","6","1","5","10","1") = "9"
    & skf18("3","9","6","1","6","1","1") = "8"
    & skf18("3","9","6","1","6","2","1") = "8"
    & skf18("3","9","6","1","6","3","1") = "8"
    & skf18("3","9","6","1","6","4","1") = "8"
    & skf18("3","9","6","1","6","5","1") = "8"
    & skf18("3","9","6","1","6","6","1") = "8"
    & skf18("3","9","6","1","6","7","1") = "8"
    & skf18("3","9","6","1","6","8","1") = "8"
    & skf18("3","9","6","1","6","9","1") = "8"
    & skf18("3","9","6","1","6","10","1") = "9"
    & skf18("3","9","6","1","7","1","1") = "8"
    & skf18("3","9","6","1","7","2","1") = "8"
    & skf18("3","9","6","1","7","3","1") = "8"
    & skf18("3","9","6","1","7","4","1") = "8"
    & skf18("3","9","6","1","7","5","1") = "8"
    & skf18("3","9","6","1","7","6","1") = "8"
    & skf18("3","9","6","1","7","7","1") = "8"
    & skf18("3","9","6","1","7","8","1") = "8"
    & skf18("3","9","6","1","7","9","1") = "8"
    & skf18("3","9","6","1","7","10","1") = "9"
    & skf18("3","9","6","1","8","1","1") = "8"
    & skf18("3","9","6","1","8","2","1") = "8"
    & skf18("3","9","6","1","8","3","1") = "8"
    & skf18("3","9","6","1","8","4","1") = "8"
    & skf18("3","9","6","1","8","5","1") = "8"
    & skf18("3","9","6","1","8","6","1") = "8"
    & skf18("3","9","6","1","8","7","1") = "8"
    & skf18("3","9","6","1","8","8","1") = "8"
    & skf18("3","9","6","1","8","9","1") = "8"
    & skf18("3","9","6","1","8","10","1") = "9"
    & skf18("3","9","6","1","9","1","1") = "8"
    & skf18("3","9","6","1","9","2","1") = "8"
    & skf18("3","9","6","1","9","3","1") = "8"
    & skf18("3","9","6","1","9","4","1") = "8"
    & skf18("3","9","6","1","9","5","1") = "8"
    & skf18("3","9","6","1","9","6","1") = "8"
    & skf18("3","9","6","1","9","7","1") = "8"
    & skf18("3","9","6","1","9","8","1") = "8"
    & skf18("3","9","6","1","9","9","1") = "8"
    & skf18("3","9","6","1","9","10","1") = "9"
    & skf18("3","9","6","1","10","1","1") = "9"
    & skf18("3","9","6","1","10","2","1") = "9"
    & skf18("3","9","6","1","10","3","1") = "9"
    & skf18("3","9","6","1","10","4","1") = "9"
    & skf18("3","9","6","1","10","5","1") = "9"
    & skf18("3","9","6","1","10","6","1") = "9"
    & skf18("3","9","6","1","10","7","1") = "9"
    & skf18("3","9","6","1","10","8","1") = "9"
    & skf18("3","9","6","1","10","9","1") = "9"
    & skf18("3","9","6","1","10","10","1") = "9"
    & skf18("3","9","6","2","1","1","1") = "8"
    & skf18("3","9","6","2","1","2","1") = "8"
    & skf18("3","9","6","2","1","3","1") = "8"
    & skf18("3","9","6","2","1","4","1") = "8"
    & skf18("3","9","6","2","1","5","1") = "8"
    & skf18("3","9","6","2","1","6","1") = "8"
    & skf18("3","9","6","2","1","7","1") = "8"
    & skf18("3","9","6","2","1","8","1") = "8"
    & skf18("3","9","6","2","1","9","1") = "8"
    & skf18("3","9","6","2","1","10","1") = "9"
    & skf18("3","9","6","2","2","1","1") = "8"
    & skf18("3","9","6","2","2","2","1") = "8"
    & skf18("3","9","6","2","2","3","1") = "8"
    & skf18("3","9","6","2","2","4","1") = "8"
    & skf18("3","9","6","2","2","5","1") = "8"
    & skf18("3","9","6","2","2","6","1") = "8"
    & skf18("3","9","6","2","2","7","1") = "8"
    & skf18("3","9","6","2","2","8","1") = "8"
    & skf18("3","9","6","2","2","9","1") = "8"
    & skf18("3","9","6","2","2","10","1") = "9"
    & skf18("3","9","6","2","3","1","1") = "8"
    & skf18("3","9","6","2","3","2","1") = "8"
    & skf18("3","9","6","2","3","3","1") = "8"
    & skf18("3","9","6","2","3","4","1") = "8"
    & skf18("3","9","6","2","3","5","1") = "8"
    & skf18("3","9","6","2","3","6","1") = "8"
    & skf18("3","9","6","2","3","7","1") = "8"
    & skf18("3","9","6","2","3","8","1") = "8"
    & skf18("3","9","6","2","3","9","1") = "8"
    & skf18("3","9","6","2","3","10","1") = "9"
    & skf18("3","9","6","2","4","1","1") = "8"
    & skf18("3","9","6","2","4","2","1") = "8"
    & skf18("3","9","6","2","4","3","1") = "8"
    & skf18("3","9","6","2","4","4","1") = "8"
    & skf18("3","9","6","2","4","5","1") = "8"
    & skf18("3","9","6","2","4","6","1") = "8"
    & skf18("3","9","6","2","4","7","1") = "8"
    & skf18("3","9","6","2","4","8","1") = "8"
    & skf18("3","9","6","2","4","9","1") = "8"
    & skf18("3","9","6","2","4","10","1") = "9"
    & skf18("3","9","6","2","5","1","1") = "8"
    & skf18("3","9","6","2","5","2","1") = "8"
    & skf18("3","9","6","2","5","3","1") = "8"
    & skf18("3","9","6","2","5","4","1") = "8"
    & skf18("3","9","6","2","5","5","1") = "8"
    & skf18("3","9","6","2","5","6","1") = "8"
    & skf18("3","9","6","2","5","7","1") = "8"
    & skf18("3","9","6","2","5","8","1") = "8"
    & skf18("3","9","6","2","5","9","1") = "8"
    & skf18("3","9","6","2","5","10","1") = "9"
    & skf18("3","9","6","2","6","1","1") = "8"
    & skf18("3","9","6","2","6","2","1") = "8"
    & skf18("3","9","6","2","6","3","1") = "8"
    & skf18("3","9","6","2","6","4","1") = "8"
    & skf18("3","9","6","2","6","5","1") = "8"
    & skf18("3","9","6","2","6","6","1") = "8"
    & skf18("3","9","6","2","6","7","1") = "8"
    & skf18("3","9","6","2","6","8","1") = "8"
    & skf18("3","9","6","2","6","9","1") = "8"
    & skf18("3","9","6","2","6","10","1") = "9"
    & skf18("3","9","6","2","7","1","1") = "8"
    & skf18("3","9","6","2","7","2","1") = "8"
    & skf18("3","9","6","2","7","3","1") = "8"
    & skf18("3","9","6","2","7","4","1") = "8"
    & skf18("3","9","6","2","7","5","1") = "8"
    & skf18("3","9","6","2","7","6","1") = "8"
    & skf18("3","9","6","2","7","7","1") = "8"
    & skf18("3","9","6","2","7","8","1") = "8"
    & skf18("3","9","6","2","7","9","1") = "8"
    & skf18("3","9","6","2","7","10","1") = "9"
    & skf18("3","9","6","2","8","1","1") = "8"
    & skf18("3","9","6","2","8","2","1") = "8"
    & skf18("3","9","6","2","8","3","1") = "8"
    & skf18("3","9","6","2","8","4","1") = "8"
    & skf18("3","9","6","2","8","5","1") = "8"
    & skf18("3","9","6","2","8","6","1") = "8"
    & skf18("3","9","6","2","8","7","1") = "8"
    & skf18("3","9","6","2","8","8","1") = "8"
    & skf18("3","9","6","2","8","9","1") = "8"
    & skf18("3","9","6","2","8","10","1") = "9"
    & skf18("3","9","6","2","9","1","1") = "8"
    & skf18("3","9","6","2","9","2","1") = "8"
    & skf18("3","9","6","2","9","3","1") = "8"
    & skf18("3","9","6","2","9","4","1") = "8"
    & skf18("3","9","6","2","9","5","1") = "8"
    & skf18("3","9","6","2","9","6","1") = "8"
    & skf18("3","9","6","2","9","7","1") = "8"
    & skf18("3","9","6","2","9","8","1") = "8"
    & skf18("3","9","6","2","9","9","1") = "8"
    & skf18("3","9","6","2","9","10","1") = "9"
    & skf18("3","9","6","2","10","1","1") = "9"
    & skf18("3","9","6","2","10","2","1") = "9"
    & skf18("3","9","6","2","10","3","1") = "9"
    & skf18("3","9","6","2","10","4","1") = "9"
    & skf18("3","9","6","2","10","5","1") = "9"
    & skf18("3","9","6","2","10","6","1") = "9"
    & skf18("3","9","6","2","10","7","1") = "9"
    & skf18("3","9","6","2","10","8","1") = "9"
    & skf18("3","9","6","2","10","9","1") = "9"
    & skf18("3","9","6","2","10","10","1") = "9"
    & skf18("3","9","6","3","1","1","1") = "8"
    & skf18("3","9","6","3","1","2","1") = "8"
    & skf18("3","9","6","3","1","3","1") = "8"
    & skf18("3","9","6","3","1","4","1") = "8"
    & skf18("3","9","6","3","1","5","1") = "8"
    & skf18("3","9","6","3","1","6","1") = "8"
    & skf18("3","9","6","3","1","7","1") = "8"
    & skf18("3","9","6","3","1","8","1") = "8"
    & skf18("3","9","6","3","1","9","1") = "8"
    & skf18("3","9","6","3","1","10","1") = "9"
    & skf18("3","9","6","3","2","1","1") = "8"
    & skf18("3","9","6","3","2","2","1") = "8"
    & skf18("3","9","6","3","2","3","1") = "8"
    & skf18("3","9","6","3","2","4","1") = "8"
    & skf18("3","9","6","3","2","5","1") = "8"
    & skf18("3","9","6","3","2","6","1") = "8"
    & skf18("3","9","6","3","2","7","1") = "8"
    & skf18("3","9","6","3","2","8","1") = "8"
    & skf18("3","9","6","3","2","9","1") = "8"
    & skf18("3","9","6","3","2","10","1") = "9"
    & skf18("3","9","6","3","3","1","1") = "8"
    & skf18("3","9","6","3","3","2","1") = "8"
    & skf18("3","9","6","3","3","3","1") = "8"
    & skf18("3","9","6","3","3","4","1") = "8"
    & skf18("3","9","6","3","3","5","1") = "8"
    & skf18("3","9","6","3","3","6","1") = "8"
    & skf18("3","9","6","3","3","7","1") = "8"
    & skf18("3","9","6","3","3","8","1") = "8"
    & skf18("3","9","6","3","3","9","1") = "8"
    & skf18("3","9","6","3","3","10","1") = "9"
    & skf18("3","9","6","3","4","1","1") = "8"
    & skf18("3","9","6","3","4","2","1") = "8"
    & skf18("3","9","6","3","4","3","1") = "8"
    & skf18("3","9","6","3","4","4","1") = "8"
    & skf18("3","9","6","3","4","5","1") = "8"
    & skf18("3","9","6","3","4","6","1") = "8"
    & skf18("3","9","6","3","4","7","1") = "8"
    & skf18("3","9","6","3","4","8","1") = "8"
    & skf18("3","9","6","3","4","9","1") = "8"
    & skf18("3","9","6","3","4","10","1") = "9"
    & skf18("3","9","6","3","5","1","1") = "8"
    & skf18("3","9","6","3","5","2","1") = "8"
    & skf18("3","9","6","3","5","3","1") = "8"
    & skf18("3","9","6","3","5","4","1") = "8"
    & skf18("3","9","6","3","5","5","1") = "8"
    & skf18("3","9","6","3","5","6","1") = "8"
    & skf18("3","9","6","3","5","7","1") = "8"
    & skf18("3","9","6","3","5","8","1") = "8"
    & skf18("3","9","6","3","5","9","1") = "8"
    & skf18("3","9","6","3","5","10","1") = "9"
    & skf18("3","9","6","3","6","1","1") = "8"
    & skf18("3","9","6","3","6","2","1") = "8"
    & skf18("3","9","6","3","6","3","1") = "8"
    & skf18("3","9","6","3","6","4","1") = "8"
    & skf18("3","9","6","3","6","5","1") = "8"
    & skf18("3","9","6","3","6","6","1") = "8"
    & skf18("3","9","6","3","6","7","1") = "8"
    & skf18("3","9","6","3","6","8","1") = "8"
    & skf18("3","9","6","3","6","9","1") = "8"
    & skf18("3","9","6","3","6","10","1") = "9"
    & skf18("3","9","6","3","7","1","1") = "8"
    & skf18("3","9","6","3","7","2","1") = "8"
    & skf18("3","9","6","3","7","3","1") = "8"
    & skf18("3","9","6","3","7","4","1") = "8"
    & skf18("3","9","6","3","7","5","1") = "8"
    & skf18("3","9","6","3","7","6","1") = "8"
    & skf18("3","9","6","3","7","7","1") = "8"
    & skf18("3","9","6","3","7","8","1") = "8"
    & skf18("3","9","6","3","7","9","1") = "8"
    & skf18("3","9","6","3","7","10","1") = "9"
    & skf18("3","9","6","3","8","1","1") = "8"
    & skf18("3","9","6","3","8","2","1") = "8"
    & skf18("3","9","6","3","8","3","1") = "8"
    & skf18("3","9","6","3","8","4","1") = "8"
    & skf18("3","9","6","3","8","5","1") = "8"
    & skf18("3","9","6","3","8","6","1") = "8"
    & skf18("3","9","6","3","8","7","1") = "8"
    & skf18("3","9","6","3","8","8","1") = "8"
    & skf18("3","9","6","3","8","9","1") = "8"
    & skf18("3","9","6","3","8","10","1") = "9"
    & skf18("3","9","6","3","9","1","1") = "8"
    & skf18("3","9","6","3","9","2","1") = "8"
    & skf18("3","9","6","3","9","3","1") = "8"
    & skf18("3","9","6","3","9","4","1") = "8"
    & skf18("3","9","6","3","9","5","1") = "8"
    & skf18("3","9","6","3","9","6","1") = "8"
    & skf18("3","9","6","3","9","7","1") = "8"
    & skf18("3","9","6","3","9","8","1") = "8"
    & skf18("3","9","6","3","9","9","1") = "8"
    & skf18("3","9","6","3","9","10","1") = "9"
    & skf18("3","9","6","3","10","1","1") = "9"
    & skf18("3","9","6","3","10","2","1") = "9"
    & skf18("3","9","6","3","10","3","1") = "9"
    & skf18("3","9","6","3","10","4","1") = "9"
    & skf18("3","9","6","3","10","5","1") = "9"
    & skf18("3","9","6","3","10","6","1") = "9"
    & skf18("3","9","6","3","10","7","1") = "9"
    & skf18("3","9","6","3","10","8","1") = "9"
    & skf18("3","9","6","3","10","9","1") = "9"
    & skf18("3","9","6","3","10","10","1") = "9"
    & skf18("3","9","6","4","1","1","1") = "8"
    & skf18("3","9","6","4","1","2","1") = "8"
    & skf18("3","9","6","4","1","3","1") = "8"
    & skf18("3","9","6","4","1","4","1") = "8"
    & skf18("3","9","6","4","1","5","1") = "8"
    & skf18("3","9","6","4","1","6","1") = "8"
    & skf18("3","9","6","4","1","7","1") = "8"
    & skf18("3","9","6","4","1","8","1") = "8"
    & skf18("3","9","6","4","1","9","1") = "8"
    & skf18("3","9","6","4","1","10","1") = "9"
    & skf18("3","9","6","4","2","1","1") = "8"
    & skf18("3","9","6","4","2","2","1") = "8"
    & skf18("3","9","6","4","2","3","1") = "8"
    & skf18("3","9","6","4","2","4","1") = "8"
    & skf18("3","9","6","4","2","5","1") = "8"
    & skf18("3","9","6","4","2","6","1") = "8"
    & skf18("3","9","6","4","2","7","1") = "8"
    & skf18("3","9","6","4","2","8","1") = "8"
    & skf18("3","9","6","4","2","9","1") = "8"
    & skf18("3","9","6","4","2","10","1") = "9"
    & skf18("3","9","6","4","3","1","1") = "8"
    & skf18("3","9","6","4","3","2","1") = "8"
    & skf18("3","9","6","4","3","3","1") = "8"
    & skf18("3","9","6","4","3","4","1") = "8"
    & skf18("3","9","6","4","3","5","1") = "8"
    & skf18("3","9","6","4","3","6","1") = "8"
    & skf18("3","9","6","4","3","7","1") = "8"
    & skf18("3","9","6","4","3","8","1") = "8"
    & skf18("3","9","6","4","3","9","1") = "8"
    & skf18("3","9","6","4","3","10","1") = "9"
    & skf18("3","9","6","4","4","1","1") = "8"
    & skf18("3","9","6","4","4","2","1") = "8"
    & skf18("3","9","6","4","4","3","1") = "8"
    & skf18("3","9","6","4","4","4","1") = "8"
    & skf18("3","9","6","4","4","5","1") = "8"
    & skf18("3","9","6","4","4","6","1") = "8"
    & skf18("3","9","6","4","4","7","1") = "8"
    & skf18("3","9","6","4","4","8","1") = "8"
    & skf18("3","9","6","4","4","9","1") = "8"
    & skf18("3","9","6","4","4","10","1") = "9"
    & skf18("3","9","6","4","5","1","1") = "8"
    & skf18("3","9","6","4","5","2","1") = "8"
    & skf18("3","9","6","4","5","3","1") = "8"
    & skf18("3","9","6","4","5","4","1") = "8"
    & skf18("3","9","6","4","5","5","1") = "8"
    & skf18("3","9","6","4","5","6","1") = "8"
    & skf18("3","9","6","4","5","7","1") = "8"
    & skf18("3","9","6","4","5","8","1") = "8"
    & skf18("3","9","6","4","5","9","1") = "8"
    & skf18("3","9","6","4","5","10","1") = "9"
    & skf18("3","9","6","4","6","1","1") = "8"
    & skf18("3","9","6","4","6","2","1") = "8"
    & skf18("3","9","6","4","6","3","1") = "8"
    & skf18("3","9","6","4","6","4","1") = "8"
    & skf18("3","9","6","4","6","5","1") = "8"
    & skf18("3","9","6","4","6","6","1") = "8"
    & skf18("3","9","6","4","6","7","1") = "8"
    & skf18("3","9","6","4","6","8","1") = "8"
    & skf18("3","9","6","4","6","9","1") = "8"
    & skf18("3","9","6","4","6","10","1") = "9"
    & skf18("3","9","6","4","7","1","1") = "8"
    & skf18("3","9","6","4","7","2","1") = "8"
    & skf18("3","9","6","4","7","3","1") = "8"
    & skf18("3","9","6","4","7","4","1") = "8"
    & skf18("3","9","6","4","7","5","1") = "8"
    & skf18("3","9","6","4","7","6","1") = "8"
    & skf18("3","9","6","4","7","7","1") = "8"
    & skf18("3","9","6","4","7","8","1") = "8"
    & skf18("3","9","6","4","7","9","1") = "8"
    & skf18("3","9","6","4","7","10","1") = "9"
    & skf18("3","9","6","4","8","1","1") = "8"
    & skf18("3","9","6","4","8","2","1") = "8"
    & skf18("3","9","6","4","8","3","1") = "8"
    & skf18("3","9","6","4","8","4","1") = "8"
    & skf18("3","9","6","4","8","5","1") = "8"
    & skf18("3","9","6","4","8","6","1") = "8"
    & skf18("3","9","6","4","8","7","1") = "8"
    & skf18("3","9","6","4","8","8","1") = "8"
    & skf18("3","9","6","4","8","9","1") = "8"
    & skf18("3","9","6","4","8","10","1") = "9"
    & skf18("3","9","6","4","9","1","1") = "8"
    & skf18("3","9","6","4","9","2","1") = "8"
    & skf18("3","9","6","4","9","3","1") = "8"
    & skf18("3","9","6","4","9","4","1") = "8"
    & skf18("3","9","6","4","9","5","1") = "8"
    & skf18("3","9","6","4","9","6","1") = "8"
    & skf18("3","9","6","4","9","7","1") = "8"
    & skf18("3","9","6","4","9","8","1") = "8"
    & skf18("3","9","6","4","9","9","1") = "8"
    & skf18("3","9","6","4","9","10","1") = "9"
    & skf18("3","9","6","4","10","1","1") = "9"
    & skf18("3","9","6","4","10","2","1") = "9"
    & skf18("3","9","6","4","10","3","1") = "9"
    & skf18("3","9","6","4","10","4","1") = "9"
    & skf18("3","9","6","4","10","5","1") = "9"
    & skf18("3","9","6","4","10","6","1") = "9"
    & skf18("3","9","6","4","10","7","1") = "9"
    & skf18("3","9","6","4","10","8","1") = "9"
    & skf18("3","9","6","4","10","9","1") = "9"
    & skf18("3","9","6","4","10","10","1") = "9"
    & skf18("3","9","6","5","1","1","1") = "8"
    & skf18("3","9","6","5","1","2","1") = "8"
    & skf18("3","9","6","5","1","3","1") = "8"
    & skf18("3","9","6","5","1","4","1") = "8"
    & skf18("3","9","6","5","1","5","1") = "8"
    & skf18("3","9","6","5","1","6","1") = "8"
    & skf18("3","9","6","5","1","7","1") = "8"
    & skf18("3","9","6","5","1","8","1") = "8"
    & skf18("3","9","6","5","1","9","1") = "8"
    & skf18("3","9","6","5","1","10","1") = "9"
    & skf18("3","9","6","5","2","1","1") = "8"
    & skf18("3","9","6","5","2","2","1") = "8"
    & skf18("3","9","6","5","2","3","1") = "8"
    & skf18("3","9","6","5","2","4","1") = "8"
    & skf18("3","9","6","5","2","5","1") = "8"
    & skf18("3","9","6","5","2","6","1") = "8"
    & skf18("3","9","6","5","2","7","1") = "8"
    & skf18("3","9","6","5","2","8","1") = "8"
    & skf18("3","9","6","5","2","9","1") = "8"
    & skf18("3","9","6","5","2","10","1") = "9"
    & skf18("3","9","6","5","3","1","1") = "8"
    & skf18("3","9","6","5","3","2","1") = "8"
    & skf18("3","9","6","5","3","3","1") = "8"
    & skf18("3","9","6","5","3","4","1") = "8"
    & skf18("3","9","6","5","3","5","1") = "8"
    & skf18("3","9","6","5","3","6","1") = "8"
    & skf18("3","9","6","5","3","7","1") = "8"
    & skf18("3","9","6","5","3","8","1") = "8"
    & skf18("3","9","6","5","3","9","1") = "8"
    & skf18("3","9","6","5","3","10","1") = "9"
    & skf18("3","9","6","5","4","1","1") = "8"
    & skf18("3","9","6","5","4","2","1") = "8"
    & skf18("3","9","6","5","4","3","1") = "8"
    & skf18("3","9","6","5","4","4","1") = "8"
    & skf18("3","9","6","5","4","5","1") = "8"
    & skf18("3","9","6","5","4","6","1") = "8"
    & skf18("3","9","6","5","4","7","1") = "8"
    & skf18("3","9","6","5","4","8","1") = "8"
    & skf18("3","9","6","5","4","9","1") = "8"
    & skf18("3","9","6","5","4","10","1") = "9"
    & skf18("3","9","6","5","5","1","1") = "8"
    & skf18("3","9","6","5","5","2","1") = "8"
    & skf18("3","9","6","5","5","3","1") = "8"
    & skf18("3","9","6","5","5","4","1") = "8"
    & skf18("3","9","6","5","5","5","1") = "8"
    & skf18("3","9","6","5","5","6","1") = "8"
    & skf18("3","9","6","5","5","7","1") = "8"
    & skf18("3","9","6","5","5","8","1") = "8"
    & skf18("3","9","6","5","5","9","1") = "8"
    & skf18("3","9","6","5","5","10","1") = "9"
    & skf18("3","9","6","5","6","1","1") = "8"
    & skf18("3","9","6","5","6","2","1") = "8"
    & skf18("3","9","6","5","6","3","1") = "8"
    & skf18("3","9","6","5","6","4","1") = "8"
    & skf18("3","9","6","5","6","5","1") = "8"
    & skf18("3","9","6","5","6","6","1") = "8"
    & skf18("3","9","6","5","6","7","1") = "8"
    & skf18("3","9","6","5","6","8","1") = "8"
    & skf18("3","9","6","5","6","9","1") = "8"
    & skf18("3","9","6","5","6","10","1") = "9"
    & skf18("3","9","6","5","7","1","1") = "8"
    & skf18("3","9","6","5","7","2","1") = "8"
    & skf18("3","9","6","5","7","3","1") = "8"
    & skf18("3","9","6","5","7","4","1") = "8"
    & skf18("3","9","6","5","7","5","1") = "8"
    & skf18("3","9","6","5","7","6","1") = "8"
    & skf18("3","9","6","5","7","7","1") = "8"
    & skf18("3","9","6","5","7","8","1") = "8"
    & skf18("3","9","6","5","7","9","1") = "8"
    & skf18("3","9","6","5","7","10","1") = "9"
    & skf18("3","9","6","5","8","1","1") = "8"
    & skf18("3","9","6","5","8","2","1") = "8"
    & skf18("3","9","6","5","8","3","1") = "8"
    & skf18("3","9","6","5","8","4","1") = "8"
    & skf18("3","9","6","5","8","5","1") = "8"
    & skf18("3","9","6","5","8","6","1") = "8"
    & skf18("3","9","6","5","8","7","1") = "8"
    & skf18("3","9","6","5","8","8","1") = "8"
    & skf18("3","9","6","5","8","9","1") = "8"
    & skf18("3","9","6","5","8","10","1") = "9"
    & skf18("3","9","6","5","9","1","1") = "8"
    & skf18("3","9","6","5","9","2","1") = "8"
    & skf18("3","9","6","5","9","3","1") = "8"
    & skf18("3","9","6","5","9","4","1") = "8"
    & skf18("3","9","6","5","9","5","1") = "8"
    & skf18("3","9","6","5","9","6","1") = "8"
    & skf18("3","9","6","5","9","7","1") = "8"
    & skf18("3","9","6","5","9","8","1") = "8"
    & skf18("3","9","6","5","9","9","1") = "8"
    & skf18("3","9","6","5","9","10","1") = "9"
    & skf18("3","9","6","5","10","1","1") = "9"
    & skf18("3","9","6","5","10","2","1") = "9"
    & skf18("3","9","6","5","10","3","1") = "9"
    & skf18("3","9","6","5","10","4","1") = "9"
    & skf18("3","9","6","5","10","5","1") = "9"
    & skf18("3","9","6","5","10","6","1") = "9"
    & skf18("3","9","6","5","10","7","1") = "9"
    & skf18("3","9","6","5","10","8","1") = "9"
    & skf18("3","9","6","5","10","9","1") = "9"
    & skf18("3","9","6","5","10","10","1") = "9"
    & skf18("3","9","6","6","1","1","1") = "8"
    & skf18("3","9","6","6","1","2","1") = "8"
    & skf18("3","9","6","6","1","3","1") = "8"
    & skf18("3","9","6","6","1","4","1") = "8"
    & skf18("3","9","6","6","1","5","1") = "8"
    & skf18("3","9","6","6","1","6","1") = "8"
    & skf18("3","9","6","6","1","7","1") = "8"
    & skf18("3","9","6","6","1","8","1") = "8"
    & skf18("3","9","6","6","1","9","1") = "8"
    & skf18("3","9","6","6","1","10","1") = "9"
    & skf18("3","9","6","6","2","1","1") = "8"
    & skf18("3","9","6","6","2","2","1") = "8"
    & skf18("3","9","6","6","2","3","1") = "8"
    & skf18("3","9","6","6","2","4","1") = "8"
    & skf18("3","9","6","6","2","5","1") = "8"
    & skf18("3","9","6","6","2","6","1") = "8"
    & skf18("3","9","6","6","2","7","1") = "8"
    & skf18("3","9","6","6","2","8","1") = "8"
    & skf18("3","9","6","6","2","9","1") = "8"
    & skf18("3","9","6","6","2","10","1") = "9"
    & skf18("3","9","6","6","3","1","1") = "8"
    & skf18("3","9","6","6","3","2","1") = "8"
    & skf18("3","9","6","6","3","3","1") = "8"
    & skf18("3","9","6","6","3","4","1") = "8"
    & skf18("3","9","6","6","3","5","1") = "8"
    & skf18("3","9","6","6","3","6","1") = "8"
    & skf18("3","9","6","6","3","7","1") = "8"
    & skf18("3","9","6","6","3","8","1") = "8"
    & skf18("3","9","6","6","3","9","1") = "8"
    & skf18("3","9","6","6","3","10","1") = "9"
    & skf18("3","9","6","6","4","1","1") = "8"
    & skf18("3","9","6","6","4","2","1") = "8"
    & skf18("3","9","6","6","4","3","1") = "8"
    & skf18("3","9","6","6","4","4","1") = "8"
    & skf18("3","9","6","6","4","5","1") = "8"
    & skf18("3","9","6","6","4","6","1") = "8"
    & skf18("3","9","6","6","4","7","1") = "8"
    & skf18("3","9","6","6","4","8","1") = "8"
    & skf18("3","9","6","6","4","9","1") = "8"
    & skf18("3","9","6","6","4","10","1") = "9"
    & skf18("3","9","6","6","5","1","1") = "8"
    & skf18("3","9","6","6","5","2","1") = "8"
    & skf18("3","9","6","6","5","3","1") = "8"
    & skf18("3","9","6","6","5","4","1") = "8"
    & skf18("3","9","6","6","5","5","1") = "8"
    & skf18("3","9","6","6","5","6","1") = "8"
    & skf18("3","9","6","6","5","7","1") = "8"
    & skf18("3","9","6","6","5","8","1") = "8"
    & skf18("3","9","6","6","5","9","1") = "8"
    & skf18("3","9","6","6","5","10","1") = "9"
    & skf18("3","9","6","6","6","1","1") = "8"
    & skf18("3","9","6","6","6","2","1") = "8"
    & skf18("3","9","6","6","6","3","1") = "8"
    & skf18("3","9","6","6","6","4","1") = "8"
    & skf18("3","9","6","6","6","5","1") = "8"
    & skf18("3","9","6","6","6","6","1") = "8"
    & skf18("3","9","6","6","6","7","1") = "8"
    & skf18("3","9","6","6","6","8","1") = "8"
    & skf18("3","9","6","6","6","9","1") = "8"
    & skf18("3","9","6","6","6","10","1") = "9"
    & skf18("3","9","6","6","7","1","1") = "8"
    & skf18("3","9","6","6","7","2","1") = "8"
    & skf18("3","9","6","6","7","3","1") = "8"
    & skf18("3","9","6","6","7","4","1") = "8"
    & skf18("3","9","6","6","7","5","1") = "8"
    & skf18("3","9","6","6","7","6","1") = "8"
    & skf18("3","9","6","6","7","7","1") = "8"
    & skf18("3","9","6","6","7","8","1") = "8"
    & skf18("3","9","6","6","7","9","1") = "8"
    & skf18("3","9","6","6","7","10","1") = "9"
    & skf18("3","9","6","6","8","1","1") = "8"
    & skf18("3","9","6","6","8","2","1") = "8"
    & skf18("3","9","6","6","8","3","1") = "8"
    & skf18("3","9","6","6","8","4","1") = "8"
    & skf18("3","9","6","6","8","5","1") = "8"
    & skf18("3","9","6","6","8","6","1") = "8"
    & skf18("3","9","6","6","8","7","1") = "8"
    & skf18("3","9","6","6","8","8","1") = "8"
    & skf18("3","9","6","6","8","9","1") = "8"
    & skf18("3","9","6","6","8","10","1") = "9"
    & skf18("3","9","6","6","9","1","1") = "8"
    & skf18("3","9","6","6","9","2","1") = "8"
    & skf18("3","9","6","6","9","3","1") = "8"
    & skf18("3","9","6","6","9","4","1") = "8"
    & skf18("3","9","6","6","9","5","1") = "8"
    & skf18("3","9","6","6","9","6","1") = "8"
    & skf18("3","9","6","6","9","7","1") = "8"
    & skf18("3","9","6","6","9","8","1") = "8"
    & skf18("3","9","6","6","9","9","1") = "8"
    & skf18("3","9","6","6","9","10","1") = "9"
    & skf18("3","9","6","6","10","1","1") = "9"
    & skf18("3","9","6","6","10","2","1") = "9"
    & skf18("3","9","6","6","10","3","1") = "9"
    & skf18("3","9","6","6","10","4","1") = "9"
    & skf18("3","9","6","6","10","5","1") = "9"
    & skf18("3","9","6","6","10","6","1") = "9"
    & skf18("3","9","6","6","10","7","1") = "9"
    & skf18("3","9","6","6","10","8","1") = "9"
    & skf18("3","9","6","6","10","9","1") = "9"
    & skf18("3","9","6","6","10","10","1") = "9"
    & skf18("3","9","6","7","1","1","1") = "8"
    & skf18("3","9","6","7","1","2","1") = "8"
    & skf18("3","9","6","7","1","3","1") = "8"
    & skf18("3","9","6","7","1","4","1") = "8"
    & skf18("3","9","6","7","1","5","1") = "8"
    & skf18("3","9","6","7","1","6","1") = "8"
    & skf18("3","9","6","7","1","7","1") = "8"
    & skf18("3","9","6","7","1","8","1") = "8"
    & skf18("3","9","6","7","1","9","1") = "8"
    & skf18("3","9","6","7","1","10","1") = "9"
    & skf18("3","9","6","7","2","1","1") = "8"
    & skf18("3","9","6","7","2","2","1") = "8"
    & skf18("3","9","6","7","2","3","1") = "8"
    & skf18("3","9","6","7","2","4","1") = "8"
    & skf18("3","9","6","7","2","5","1") = "8"
    & skf18("3","9","6","7","2","6","1") = "8"
    & skf18("3","9","6","7","2","7","1") = "8"
    & skf18("3","9","6","7","2","8","1") = "8"
    & skf18("3","9","6","7","2","9","1") = "8"
    & skf18("3","9","6","7","2","10","1") = "9"
    & skf18("3","9","6","7","3","1","1") = "8"
    & skf18("3","9","6","7","3","2","1") = "8"
    & skf18("3","9","6","7","3","3","1") = "8"
    & skf18("3","9","6","7","3","4","1") = "8"
    & skf18("3","9","6","7","3","5","1") = "8"
    & skf18("3","9","6","7","3","6","1") = "8"
    & skf18("3","9","6","7","3","7","1") = "8"
    & skf18("3","9","6","7","3","8","1") = "8"
    & skf18("3","9","6","7","3","9","1") = "8"
    & skf18("3","9","6","7","3","10","1") = "9"
    & skf18("3","9","6","7","4","1","1") = "8"
    & skf18("3","9","6","7","4","2","1") = "8"
    & skf18("3","9","6","7","4","3","1") = "8"
    & skf18("3","9","6","7","4","4","1") = "8"
    & skf18("3","9","6","7","4","5","1") = "8"
    & skf18("3","9","6","7","4","6","1") = "8"
    & skf18("3","9","6","7","4","7","1") = "8"
    & skf18("3","9","6","7","4","8","1") = "8"
    & skf18("3","9","6","7","4","9","1") = "8"
    & skf18("3","9","6","7","4","10","1") = "9"
    & skf18("3","9","6","7","5","1","1") = "8"
    & skf18("3","9","6","7","5","2","1") = "8"
    & skf18("3","9","6","7","5","3","1") = "8"
    & skf18("3","9","6","7","5","4","1") = "8"
    & skf18("3","9","6","7","5","5","1") = "8"
    & skf18("3","9","6","7","5","6","1") = "8"
    & skf18("3","9","6","7","5","7","1") = "8"
    & skf18("3","9","6","7","5","8","1") = "8"
    & skf18("3","9","6","7","5","9","1") = "8"
    & skf18("3","9","6","7","5","10","1") = "9"
    & skf18("3","9","6","7","6","1","1") = "8"
    & skf18("3","9","6","7","6","2","1") = "8"
    & skf18("3","9","6","7","6","3","1") = "8"
    & skf18("3","9","6","7","6","4","1") = "8"
    & skf18("3","9","6","7","6","5","1") = "8"
    & skf18("3","9","6","7","6","6","1") = "8"
    & skf18("3","9","6","7","6","7","1") = "8"
    & skf18("3","9","6","7","6","8","1") = "8"
    & skf18("3","9","6","7","6","9","1") = "8"
    & skf18("3","9","6","7","6","10","1") = "9"
    & skf18("3","9","6","7","7","1","1") = "8"
    & skf18("3","9","6","7","7","2","1") = "8"
    & skf18("3","9","6","7","7","3","1") = "8"
    & skf18("3","9","6","7","7","4","1") = "8"
    & skf18("3","9","6","7","7","5","1") = "8"
    & skf18("3","9","6","7","7","6","1") = "8"
    & skf18("3","9","6","7","7","7","1") = "8"
    & skf18("3","9","6","7","7","8","1") = "8"
    & skf18("3","9","6","7","7","9","1") = "8"
    & skf18("3","9","6","7","7","10","1") = "9"
    & skf18("3","9","6","7","8","1","1") = "8"
    & skf18("3","9","6","7","8","2","1") = "8"
    & skf18("3","9","6","7","8","3","1") = "8"
    & skf18("3","9","6","7","8","4","1") = "8"
    & skf18("3","9","6","7","8","5","1") = "8"
    & skf18("3","9","6","7","8","6","1") = "8"
    & skf18("3","9","6","7","8","7","1") = "8"
    & skf18("3","9","6","7","8","8","1") = "8"
    & skf18("3","9","6","7","8","9","1") = "8"
    & skf18("3","9","6","7","8","10","1") = "9"
    & skf18("3","9","6","7","9","1","1") = "8"
    & skf18("3","9","6","7","9","2","1") = "8"
    & skf18("3","9","6","7","9","3","1") = "8"
    & skf18("3","9","6","7","9","4","1") = "8"
    & skf18("3","9","6","7","9","5","1") = "8"
    & skf18("3","9","6","7","9","6","1") = "8"
    & skf18("3","9","6","7","9","7","1") = "8"
    & skf18("3","9","6","7","9","8","1") = "8"
    & skf18("3","9","6","7","9","9","1") = "8"
    & skf18("3","9","6","7","9","10","1") = "9"
    & skf18("3","9","6","7","10","1","1") = "9"
    & skf18("3","9","6","7","10","2","1") = "9"
    & skf18("3","9","6","7","10","3","1") = "9"
    & skf18("3","9","6","7","10","4","1") = "9"
    & skf18("3","9","6","7","10","5","1") = "9"
    & skf18("3","9","6","7","10","6","1") = "9"
    & skf18("3","9","6","7","10","7","1") = "9"
    & skf18("3","9","6","7","10","8","1") = "9"
    & skf18("3","9","6","7","10","9","1") = "9"
    & skf18("3","9","6","7","10","10","1") = "9"
    & skf18("3","9","6","8","1","1","1") = "8"
    & skf18("3","9","6","8","1","2","1") = "8"
    & skf18("3","9","6","8","1","3","1") = "8"
    & skf18("3","9","6","8","1","4","1") = "8"
    & skf18("3","9","6","8","1","5","1") = "8"
    & skf18("3","9","6","8","1","6","1") = "8"
    & skf18("3","9","6","8","1","7","1") = "8"
    & skf18("3","9","6","8","1","8","1") = "8"
    & skf18("3","9","6","8","1","9","1") = "8"
    & skf18("3","9","6","8","1","10","1") = "9"
    & skf18("3","9","6","8","2","1","1") = "8"
    & skf18("3","9","6","8","2","2","1") = "8"
    & skf18("3","9","6","8","2","3","1") = "8"
    & skf18("3","9","6","8","2","4","1") = "8"
    & skf18("3","9","6","8","2","5","1") = "8"
    & skf18("3","9","6","8","2","6","1") = "8"
    & skf18("3","9","6","8","2","7","1") = "8"
    & skf18("3","9","6","8","2","8","1") = "8"
    & skf18("3","9","6","8","2","9","1") = "8"
    & skf18("3","9","6","8","2","10","1") = "9"
    & skf18("3","9","6","8","3","1","1") = "8"
    & skf18("3","9","6","8","3","2","1") = "8"
    & skf18("3","9","6","8","3","3","1") = "8"
    & skf18("3","9","6","8","3","4","1") = "8"
    & skf18("3","9","6","8","3","5","1") = "8"
    & skf18("3","9","6","8","3","6","1") = "8"
    & skf18("3","9","6","8","3","7","1") = "8"
    & skf18("3","9","6","8","3","8","1") = "8"
    & skf18("3","9","6","8","3","9","1") = "8"
    & skf18("3","9","6","8","3","10","1") = "9"
    & skf18("3","9","6","8","4","1","1") = "8"
    & skf18("3","9","6","8","4","2","1") = "8"
    & skf18("3","9","6","8","4","3","1") = "8"
    & skf18("3","9","6","8","4","4","1") = "8"
    & skf18("3","9","6","8","4","5","1") = "8"
    & skf18("3","9","6","8","4","6","1") = "8"
    & skf18("3","9","6","8","4","7","1") = "8"
    & skf18("3","9","6","8","4","8","1") = "8"
    & skf18("3","9","6","8","4","9","1") = "8"
    & skf18("3","9","6","8","4","10","1") = "9"
    & skf18("3","9","6","8","5","1","1") = "8"
    & skf18("3","9","6","8","5","2","1") = "8"
    & skf18("3","9","6","8","5","3","1") = "8"
    & skf18("3","9","6","8","5","4","1") = "8"
    & skf18("3","9","6","8","5","5","1") = "8"
    & skf18("3","9","6","8","5","6","1") = "8"
    & skf18("3","9","6","8","5","7","1") = "8"
    & skf18("3","9","6","8","5","8","1") = "8"
    & skf18("3","9","6","8","5","9","1") = "8"
    & skf18("3","9","6","8","5","10","1") = "9"
    & skf18("3","9","6","8","6","1","1") = "8"
    & skf18("3","9","6","8","6","2","1") = "8"
    & skf18("3","9","6","8","6","3","1") = "8"
    & skf18("3","9","6","8","6","4","1") = "8"
    & skf18("3","9","6","8","6","5","1") = "8"
    & skf18("3","9","6","8","6","6","1") = "8"
    & skf18("3","9","6","8","6","7","1") = "8"
    & skf18("3","9","6","8","6","8","1") = "8"
    & skf18("3","9","6","8","6","9","1") = "8"
    & skf18("3","9","6","8","6","10","1") = "9"
    & skf18("3","9","6","8","7","1","1") = "8"
    & skf18("3","9","6","8","7","2","1") = "8"
    & skf18("3","9","6","8","7","3","1") = "8"
    & skf18("3","9","6","8","7","4","1") = "8"
    & skf18("3","9","6","8","7","5","1") = "8"
    & skf18("3","9","6","8","7","6","1") = "8"
    & skf18("3","9","6","8","7","7","1") = "8"
    & skf18("3","9","6","8","7","8","1") = "8"
    & skf18("3","9","6","8","7","9","1") = "8"
    & skf18("3","9","6","8","7","10","1") = "9"
    & skf18("3","9","6","8","8","1","1") = "8"
    & skf18("3","9","6","8","8","2","1") = "8"
    & skf18("3","9","6","8","8","3","1") = "8"
    & skf18("3","9","6","8","8","4","1") = "8"
    & skf18("3","9","6","8","8","5","1") = "8"
    & skf18("3","9","6","8","8","6","1") = "8"
    & skf18("3","9","6","8","8","7","1") = "8"
    & skf18("3","9","6","8","8","8","1") = "8"
    & skf18("3","9","6","8","8","9","1") = "8"
    & skf18("3","9","6","8","8","10","1") = "9"
    & skf18("3","9","6","8","9","1","1") = "8"
    & skf18("3","9","6","8","9","2","1") = "8"
    & skf18("3","9","6","8","9","3","1") = "8"
    & skf18("3","9","6","8","9","4","1") = "8"
    & skf18("3","9","6","8","9","5","1") = "8"
    & skf18("3","9","6","8","9","6","1") = "8"
    & skf18("3","9","6","8","9","7","1") = "8"
    & skf18("3","9","6","8","9","8","1") = "8"
    & skf18("3","9","6","8","9","9","1") = "8"
    & skf18("3","9","6","8","9","10","1") = "9"
    & skf18("3","9","6","8","10","1","1") = "9"
    & skf18("3","9","6","8","10","2","1") = "9"
    & skf18("3","9","6","8","10","3","1") = "9"
    & skf18("3","9","6","8","10","4","1") = "9"
    & skf18("3","9","6","8","10","5","1") = "9"
    & skf18("3","9","6","8","10","6","1") = "9"
    & skf18("3","9","6","8","10","7","1") = "9"
    & skf18("3","9","6","8","10","8","1") = "9"
    & skf18("3","9","6","8","10","9","1") = "9"
    & skf18("3","9","6","8","10","10","1") = "9"
    & skf18("3","9","6","9","1","1","1") = "8"
    & skf18("3","9","6","9","1","2","1") = "8"
    & skf18("3","9","6","9","1","3","1") = "8"
    & skf18("3","9","6","9","1","4","1") = "8"
    & skf18("3","9","6","9","1","5","1") = "8"
    & skf18("3","9","6","9","1","6","1") = "8"
    & skf18("3","9","6","9","1","7","1") = "8"
    & skf18("3","9","6","9","1","8","1") = "8"
    & skf18("3","9","6","9","1","9","1") = "8"
    & skf18("3","9","6","9","1","10","1") = "9"
    & skf18("3","9","6","9","2","1","1") = "8"
    & skf18("3","9","6","9","2","2","1") = "8"
    & skf18("3","9","6","9","2","3","1") = "8"
    & skf18("3","9","6","9","2","4","1") = "8"
    & skf18("3","9","6","9","2","5","1") = "8"
    & skf18("3","9","6","9","2","6","1") = "8"
    & skf18("3","9","6","9","2","7","1") = "8"
    & skf18("3","9","6","9","2","8","1") = "8"
    & skf18("3","9","6","9","2","9","1") = "8"
    & skf18("3","9","6","9","2","10","1") = "9"
    & skf18("3","9","6","9","3","1","1") = "8"
    & skf18("3","9","6","9","3","2","1") = "8"
    & skf18("3","9","6","9","3","3","1") = "8"
    & skf18("3","9","6","9","3","4","1") = "8"
    & skf18("3","9","6","9","3","5","1") = "8"
    & skf18("3","9","6","9","3","6","1") = "8"
    & skf18("3","9","6","9","3","7","1") = "8"
    & skf18("3","9","6","9","3","8","1") = "8"
    & skf18("3","9","6","9","3","9","1") = "8"
    & skf18("3","9","6","9","3","10","1") = "9"
    & skf18("3","9","6","9","4","1","1") = "8"
    & skf18("3","9","6","9","4","2","1") = "8"
    & skf18("3","9","6","9","4","3","1") = "8"
    & skf18("3","9","6","9","4","4","1") = "8"
    & skf18("3","9","6","9","4","5","1") = "8"
    & skf18("3","9","6","9","4","6","1") = "8"
    & skf18("3","9","6","9","4","7","1") = "8"
    & skf18("3","9","6","9","4","8","1") = "8"
    & skf18("3","9","6","9","4","9","1") = "8"
    & skf18("3","9","6","9","4","10","1") = "9"
    & skf18("3","9","6","9","5","1","1") = "8"
    & skf18("3","9","6","9","5","2","1") = "8"
    & skf18("3","9","6","9","5","3","1") = "8"
    & skf18("3","9","6","9","5","4","1") = "8"
    & skf18("3","9","6","9","5","5","1") = "8"
    & skf18("3","9","6","9","5","6","1") = "8"
    & skf18("3","9","6","9","5","7","1") = "8"
    & skf18("3","9","6","9","5","8","1") = "8"
    & skf18("3","9","6","9","5","9","1") = "8"
    & skf18("3","9","6","9","5","10","1") = "9"
    & skf18("3","9","6","9","6","1","1") = "8"
    & skf18("3","9","6","9","6","2","1") = "8"
    & skf18("3","9","6","9","6","3","1") = "8"
    & skf18("3","9","6","9","6","4","1") = "8"
    & skf18("3","9","6","9","6","5","1") = "8"
    & skf18("3","9","6","9","6","6","1") = "8"
    & skf18("3","9","6","9","6","7","1") = "8"
    & skf18("3","9","6","9","6","8","1") = "8"
    & skf18("3","9","6","9","6","9","1") = "8"
    & skf18("3","9","6","9","6","10","1") = "9"
    & skf18("3","9","6","9","7","1","1") = "8"
    & skf18("3","9","6","9","7","2","1") = "8"
    & skf18("3","9","6","9","7","3","1") = "8"
    & skf18("3","9","6","9","7","4","1") = "8"
    & skf18("3","9","6","9","7","5","1") = "8"
    & skf18("3","9","6","9","7","6","1") = "8"
    & skf18("3","9","6","9","7","7","1") = "8"
    & skf18("3","9","6","9","7","8","1") = "8"
    & skf18("3","9","6","9","7","9","1") = "8"
    & skf18("3","9","6","9","7","10","1") = "9"
    & skf18("3","9","6","9","8","1","1") = "8"
    & skf18("3","9","6","9","8","2","1") = "8"
    & skf18("3","9","6","9","8","3","1") = "8"
    & skf18("3","9","6","9","8","4","1") = "8"
    & skf18("3","9","6","9","8","5","1") = "8"
    & skf18("3","9","6","9","8","6","1") = "8"
    & skf18("3","9","6","9","8","7","1") = "8"
    & skf18("3","9","6","9","8","8","1") = "8"
    & skf18("3","9","6","9","8","9","1") = "8"
    & skf18("3","9","6","9","8","10","1") = "9"
    & skf18("3","9","6","9","9","1","1") = "8"
    & skf18("3","9","6","9","9","2","1") = "8"
    & skf18("3","9","6","9","9","3","1") = "8"
    & skf18("3","9","6","9","9","4","1") = "8"
    & skf18("3","9","6","9","9","5","1") = "8"
    & skf18("3","9","6","9","9","6","1") = "8"
    & skf18("3","9","6","9","9","7","1") = "8"
    & skf18("3","9","6","9","9","8","1") = "8"
    & skf18("3","9","6","9","9","9","1") = "8"
    & skf18("3","9","6","9","9","10","1") = "9"
    & skf18("3","9","6","9","10","1","1") = "9"
    & skf18("3","9","6","9","10","2","1") = "9"
    & skf18("3","9","6","9","10","3","1") = "9"
    & skf18("3","9","6","9","10","4","1") = "9"
    & skf18("3","9","6","9","10","5","1") = "9"
    & skf18("3","9","6","9","10","6","1") = "9"
    & skf18("3","9","6","9","10","7","1") = "9"
    & skf18("3","9","6","9","10","8","1") = "9"
    & skf18("3","9","6","9","10","9","1") = "9"
    & skf18("3","9","6","9","10","10","1") = "9"
    & skf18("3","9","6","10","1","1","1") = "9"
    & skf18("3","9","6","10","1","2","1") = "9"
    & skf18("3","9","6","10","1","3","1") = "9"
    & skf18("3","9","6","10","1","4","1") = "9"
    & skf18("3","9","6","10","1","5","1") = "9"
    & skf18("3","9","6","10","1","6","1") = "9"
    & skf18("3","9","6","10","1","7","1") = "9"
    & skf18("3","9","6","10","1","8","1") = "9"
    & skf18("3","9","6","10","1","9","1") = "9"
    & skf18("3","9","6","10","1","10","1") = "9"
    & skf18("3","9","6","10","2","1","1") = "9"
    & skf18("3","9","6","10","2","2","1") = "9"
    & skf18("3","9","6","10","2","3","1") = "9"
    & skf18("3","9","6","10","2","4","1") = "9"
    & skf18("3","9","6","10","2","5","1") = "9"
    & skf18("3","9","6","10","2","6","1") = "9"
    & skf18("3","9","6","10","2","7","1") = "9"
    & skf18("3","9","6","10","2","8","1") = "9"
    & skf18("3","9","6","10","2","9","1") = "9"
    & skf18("3","9","6","10","2","10","1") = "9"
    & skf18("3","9","6","10","3","1","1") = "9"
    & skf18("3","9","6","10","3","2","1") = "9"
    & skf18("3","9","6","10","3","3","1") = "9"
    & skf18("3","9","6","10","3","4","1") = "9"
    & skf18("3","9","6","10","3","5","1") = "9"
    & skf18("3","9","6","10","3","6","1") = "9"
    & skf18("3","9","6","10","3","7","1") = "9"
    & skf18("3","9","6","10","3","8","1") = "9"
    & skf18("3","9","6","10","3","9","1") = "9"
    & skf18("3","9","6","10","3","10","1") = "9"
    & skf18("3","9","6","10","4","1","1") = "9"
    & skf18("3","9","6","10","4","2","1") = "9"
    & skf18("3","9","6","10","4","3","1") = "9"
    & skf18("3","9","6","10","4","4","1") = "9"
    & skf18("3","9","6","10","4","5","1") = "9"
    & skf18("3","9","6","10","4","6","1") = "9"
    & skf18("3","9","6","10","4","7","1") = "9"
    & skf18("3","9","6","10","4","8","1") = "9"
    & skf18("3","9","6","10","4","9","1") = "9"
    & skf18("3","9","6","10","4","10","1") = "9"
    & skf18("3","9","6","10","5","1","1") = "9"
    & skf18("3","9","6","10","5","2","1") = "9"
    & skf18("3","9","6","10","5","3","1") = "9"
    & skf18("3","9","6","10","5","4","1") = "9"
    & skf18("3","9","6","10","5","5","1") = "9"
    & skf18("3","9","6","10","5","6","1") = "9"
    & skf18("3","9","6","10","5","7","1") = "9"
    & skf18("3","9","6","10","5","8","1") = "9"
    & skf18("3","9","6","10","5","9","1") = "9"
    & skf18("3","9","6","10","5","10","1") = "9"
    & skf18("3","9","6","10","6","1","1") = "9"
    & skf18("3","9","6","10","6","2","1") = "9"
    & skf18("3","9","6","10","6","3","1") = "9"
    & skf18("3","9","6","10","6","4","1") = "9"
    & skf18("3","9","6","10","6","5","1") = "9"
    & skf18("3","9","6","10","6","6","1") = "9"
    & skf18("3","9","6","10","6","7","1") = "9"
    & skf18("3","9","6","10","6","8","1") = "9"
    & skf18("3","9","6","10","6","9","1") = "9"
    & skf18("3","9","6","10","6","10","1") = "9"
    & skf18("3","9","6","10","7","1","1") = "9"
    & skf18("3","9","6","10","7","2","1") = "9"
    & skf18("3","9","6","10","7","3","1") = "9"
    & skf18("3","9","6","10","7","4","1") = "9"
    & skf18("3","9","6","10","7","5","1") = "9"
    & skf18("3","9","6","10","7","6","1") = "9"
    & skf18("3","9","6","10","7","7","1") = "9"
    & skf18("3","9","6","10","7","8","1") = "9"
    & skf18("3","9","6","10","7","9","1") = "9"
    & skf18("3","9","6","10","7","10","1") = "9"
    & skf18("3","9","6","10","8","1","1") = "9"
    & skf18("3","9","6","10","8","2","1") = "9"
    & skf18("3","9","6","10","8","3","1") = "9"
    & skf18("3","9","6","10","8","4","1") = "9"
    & skf18("3","9","6","10","8","5","1") = "9"
    & skf18("3","9","6","10","8","6","1") = "9"
    & skf18("3","9","6","10","8","7","1") = "9"
    & skf18("3","9","6","10","8","8","1") = "9"
    & skf18("3","9","6","10","8","9","1") = "9"
    & skf18("3","9","6","10","8","10","1") = "9"
    & skf18("3","9","6","10","9","1","1") = "9"
    & skf18("3","9","6","10","9","2","1") = "9"
    & skf18("3","9","6","10","9","3","1") = "9"
    & skf18("3","9","6","10","9","4","1") = "9"
    & skf18("3","9","6","10","9","5","1") = "9"
    & skf18("3","9","6","10","9","6","1") = "9"
    & skf18("3","9","6","10","9","7","1") = "9"
    & skf18("3","9","6","10","9","8","1") = "9"
    & skf18("3","9","6","10","9","9","1") = "9"
    & skf18("3","9","6","10","9","10","1") = "9"
    & skf18("3","9","6","10","10","1","1") = "9"
    & skf18("3","9","6","10","10","2","1") = "9"
    & skf18("3","9","6","10","10","3","1") = "9"
    & skf18("3","9","6","10","10","4","1") = "9"
    & skf18("3","9","6","10","10","5","1") = "9"
    & skf18("3","9","6","10","10","6","1") = "9"
    & skf18("3","9","6","10","10","7","1") = "9"
    & skf18("3","9","6","10","10","8","1") = "9"
    & skf18("3","9","6","10","10","9","1") = "9"
    & skf18("3","9","6","10","10","10","1") = "9"
    & skf18("3","9","7","1","1","1","1") = "8"
    & skf18("3","9","7","1","1","2","1") = "8"
    & skf18("3","9","7","1","1","3","1") = "8"
    & skf18("3","9","7","1","1","4","1") = "8"
    & skf18("3","9","7","1","1","5","1") = "8"
    & skf18("3","9","7","1","1","6","1") = "8"
    & skf18("3","9","7","1","1","7","1") = "8"
    & skf18("3","9","7","1","1","8","1") = "8"
    & skf18("3","9","7","1","1","9","1") = "8"
    & skf18("3","9","7","1","1","10","1") = "9"
    & skf18("3","9","7","1","2","1","1") = "8"
    & skf18("3","9","7","1","2","2","1") = "8"
    & skf18("3","9","7","1","2","3","1") = "8"
    & skf18("3","9","7","1","2","4","1") = "8"
    & skf18("3","9","7","1","2","5","1") = "8"
    & skf18("3","9","7","1","2","6","1") = "8"
    & skf18("3","9","7","1","2","7","1") = "8"
    & skf18("3","9","7","1","2","8","1") = "8"
    & skf18("3","9","7","1","2","9","1") = "8"
    & skf18("3","9","7","1","2","10","1") = "9"
    & skf18("3","9","7","1","3","1","1") = "8"
    & skf18("3","9","7","1","3","2","1") = "8"
    & skf18("3","9","7","1","3","3","1") = "8"
    & skf18("3","9","7","1","3","4","1") = "8"
    & skf18("3","9","7","1","3","5","1") = "8"
    & skf18("3","9","7","1","3","6","1") = "8"
    & skf18("3","9","7","1","3","7","1") = "8"
    & skf18("3","9","7","1","3","8","1") = "8"
    & skf18("3","9","7","1","3","9","1") = "8"
    & skf18("3","9","7","1","3","10","1") = "9"
    & skf18("3","9","7","1","4","1","1") = "8"
    & skf18("3","9","7","1","4","2","1") = "8"
    & skf18("3","9","7","1","4","3","1") = "8"
    & skf18("3","9","7","1","4","4","1") = "8"
    & skf18("3","9","7","1","4","5","1") = "8"
    & skf18("3","9","7","1","4","6","1") = "8"
    & skf18("3","9","7","1","4","7","1") = "8"
    & skf18("3","9","7","1","4","8","1") = "8"
    & skf18("3","9","7","1","4","9","1") = "8"
    & skf18("3","9","7","1","4","10","1") = "9"
    & skf18("3","9","7","1","5","1","1") = "8"
    & skf18("3","9","7","1","5","2","1") = "8"
    & skf18("3","9","7","1","5","3","1") = "8"
    & skf18("3","9","7","1","5","4","1") = "8"
    & skf18("3","9","7","1","5","5","1") = "8"
    & skf18("3","9","7","1","5","6","1") = "8"
    & skf18("3","9","7","1","5","7","1") = "8"
    & skf18("3","9","7","1","5","8","1") = "8"
    & skf18("3","9","7","1","5","9","1") = "8"
    & skf18("3","9","7","1","5","10","1") = "9"
    & skf18("3","9","7","1","6","1","1") = "8"
    & skf18("3","9","7","1","6","2","1") = "8"
    & skf18("3","9","7","1","6","3","1") = "8"
    & skf18("3","9","7","1","6","4","1") = "8"
    & skf18("3","9","7","1","6","5","1") = "8"
    & skf18("3","9","7","1","6","6","1") = "8"
    & skf18("3","9","7","1","6","7","1") = "8"
    & skf18("3","9","7","1","6","8","1") = "8"
    & skf18("3","9","7","1","6","9","1") = "8"
    & skf18("3","9","7","1","6","10","1") = "9"
    & skf18("3","9","7","1","7","1","1") = "8"
    & skf18("3","9","7","1","7","2","1") = "8"
    & skf18("3","9","7","1","7","3","1") = "8"
    & skf18("3","9","7","1","7","4","1") = "8"
    & skf18("3","9","7","1","7","5","1") = "8"
    & skf18("3","9","7","1","7","6","1") = "8"
    & skf18("3","9","7","1","7","7","1") = "8"
    & skf18("3","9","7","1","7","8","1") = "8"
    & skf18("3","9","7","1","7","9","1") = "8"
    & skf18("3","9","7","1","7","10","1") = "9"
    & skf18("3","9","7","1","8","1","1") = "8"
    & skf18("3","9","7","1","8","2","1") = "8"
    & skf18("3","9","7","1","8","3","1") = "8"
    & skf18("3","9","7","1","8","4","1") = "8"
    & skf18("3","9","7","1","8","5","1") = "8"
    & skf18("3","9","7","1","8","6","1") = "8"
    & skf18("3","9","7","1","8","7","1") = "8"
    & skf18("3","9","7","1","8","8","1") = "8"
    & skf18("3","9","7","1","8","9","1") = "8"
    & skf18("3","9","7","1","8","10","1") = "9"
    & skf18("3","9","7","1","9","1","1") = "8"
    & skf18("3","9","7","1","9","2","1") = "8"
    & skf18("3","9","7","1","9","3","1") = "8"
    & skf18("3","9","7","1","9","4","1") = "8"
    & skf18("3","9","7","1","9","5","1") = "8"
    & skf18("3","9","7","1","9","6","1") = "8"
    & skf18("3","9","7","1","9","7","1") = "8"
    & skf18("3","9","7","1","9","8","1") = "8"
    & skf18("3","9","7","1","9","9","1") = "8"
    & skf18("3","9","7","1","9","10","1") = "9"
    & skf18("3","9","7","1","10","1","1") = "9"
    & skf18("3","9","7","1","10","2","1") = "9"
    & skf18("3","9","7","1","10","3","1") = "9"
    & skf18("3","9","7","1","10","4","1") = "9"
    & skf18("3","9","7","1","10","5","1") = "9"
    & skf18("3","9","7","1","10","6","1") = "9"
    & skf18("3","9","7","1","10","7","1") = "9"
    & skf18("3","9","7","1","10","8","1") = "9"
    & skf18("3","9","7","1","10","9","1") = "9"
    & skf18("3","9","7","1","10","10","1") = "9"
    & skf18("3","9","7","2","1","1","1") = "8"
    & skf18("3","9","7","2","1","2","1") = "8"
    & skf18("3","9","7","2","1","3","1") = "8"
    & skf18("3","9","7","2","1","4","1") = "8"
    & skf18("3","9","7","2","1","5","1") = "8"
    & skf18("3","9","7","2","1","6","1") = "8"
    & skf18("3","9","7","2","1","7","1") = "8"
    & skf18("3","9","7","2","1","8","1") = "8"
    & skf18("3","9","7","2","1","9","1") = "8"
    & skf18("3","9","7","2","1","10","1") = "9"
    & skf18("3","9","7","2","2","1","1") = "8"
    & skf18("3","9","7","2","2","2","1") = "8"
    & skf18("3","9","7","2","2","3","1") = "8"
    & skf18("3","9","7","2","2","4","1") = "8"
    & skf18("3","9","7","2","2","5","1") = "8"
    & skf18("3","9","7","2","2","6","1") = "8"
    & skf18("3","9","7","2","2","7","1") = "8"
    & skf18("3","9","7","2","2","8","1") = "8"
    & skf18("3","9","7","2","2","9","1") = "8"
    & skf18("3","9","7","2","2","10","1") = "9"
    & skf18("3","9","7","2","3","1","1") = "8"
    & skf18("3","9","7","2","3","2","1") = "8"
    & skf18("3","9","7","2","3","3","1") = "8"
    & skf18("3","9","7","2","3","4","1") = "8"
    & skf18("3","9","7","2","3","5","1") = "8"
    & skf18("3","9","7","2","3","6","1") = "8"
    & skf18("3","9","7","2","3","7","1") = "8"
    & skf18("3","9","7","2","3","8","1") = "8"
    & skf18("3","9","7","2","3","9","1") = "8"
    & skf18("3","9","7","2","3","10","1") = "9"
    & skf18("3","9","7","2","4","1","1") = "8"
    & skf18("3","9","7","2","4","2","1") = "8"
    & skf18("3","9","7","2","4","3","1") = "8"
    & skf18("3","9","7","2","4","4","1") = "8"
    & skf18("3","9","7","2","4","5","1") = "8"
    & skf18("3","9","7","2","4","6","1") = "8"
    & skf18("3","9","7","2","4","7","1") = "8"
    & skf18("3","9","7","2","4","8","1") = "8"
    & skf18("3","9","7","2","4","9","1") = "8"
    & skf18("3","9","7","2","4","10","1") = "9"
    & skf18("3","9","7","2","5","1","1") = "8"
    & skf18("3","9","7","2","5","2","1") = "8"
    & skf18("3","9","7","2","5","3","1") = "8"
    & skf18("3","9","7","2","5","4","1") = "8"
    & skf18("3","9","7","2","5","5","1") = "8"
    & skf18("3","9","7","2","5","6","1") = "8"
    & skf18("3","9","7","2","5","7","1") = "8"
    & skf18("3","9","7","2","5","8","1") = "8"
    & skf18("3","9","7","2","5","9","1") = "8"
    & skf18("3","9","7","2","5","10","1") = "9"
    & skf18("3","9","7","2","6","1","1") = "8"
    & skf18("3","9","7","2","6","2","1") = "8"
    & skf18("3","9","7","2","6","3","1") = "8"
    & skf18("3","9","7","2","6","4","1") = "8"
    & skf18("3","9","7","2","6","5","1") = "8"
    & skf18("3","9","7","2","6","6","1") = "8"
    & skf18("3","9","7","2","6","7","1") = "8"
    & skf18("3","9","7","2","6","8","1") = "8"
    & skf18("3","9","7","2","6","9","1") = "8"
    & skf18("3","9","7","2","6","10","1") = "9"
    & skf18("3","9","7","2","7","1","1") = "8"
    & skf18("3","9","7","2","7","2","1") = "8"
    & skf18("3","9","7","2","7","3","1") = "8"
    & skf18("3","9","7","2","7","4","1") = "8"
    & skf18("3","9","7","2","7","5","1") = "8"
    & skf18("3","9","7","2","7","6","1") = "8"
    & skf18("3","9","7","2","7","7","1") = "8"
    & skf18("3","9","7","2","7","8","1") = "8"
    & skf18("3","9","7","2","7","9","1") = "8"
    & skf18("3","9","7","2","7","10","1") = "9"
    & skf18("3","9","7","2","8","1","1") = "8"
    & skf18("3","9","7","2","8","2","1") = "8"
    & skf18("3","9","7","2","8","3","1") = "8"
    & skf18("3","9","7","2","8","4","1") = "8"
    & skf18("3","9","7","2","8","5","1") = "8"
    & skf18("3","9","7","2","8","6","1") = "8"
    & skf18("3","9","7","2","8","7","1") = "8"
    & skf18("3","9","7","2","8","8","1") = "8"
    & skf18("3","9","7","2","8","9","1") = "8"
    & skf18("3","9","7","2","8","10","1") = "9"
    & skf18("3","9","7","2","9","1","1") = "8"
    & skf18("3","9","7","2","9","2","1") = "8"
    & skf18("3","9","7","2","9","3","1") = "8"
    & skf18("3","9","7","2","9","4","1") = "8"
    & skf18("3","9","7","2","9","5","1") = "8"
    & skf18("3","9","7","2","9","6","1") = "8"
    & skf18("3","9","7","2","9","7","1") = "8"
    & skf18("3","9","7","2","9","8","1") = "8"
    & skf18("3","9","7","2","9","9","1") = "8"
    & skf18("3","9","7","2","9","10","1") = "9"
    & skf18("3","9","7","2","10","1","1") = "9"
    & skf18("3","9","7","2","10","2","1") = "9"
    & skf18("3","9","7","2","10","3","1") = "9"
    & skf18("3","9","7","2","10","4","1") = "9"
    & skf18("3","9","7","2","10","5","1") = "9"
    & skf18("3","9","7","2","10","6","1") = "9"
    & skf18("3","9","7","2","10","7","1") = "9"
    & skf18("3","9","7","2","10","8","1") = "9"
    & skf18("3","9","7","2","10","9","1") = "9"
    & skf18("3","9","7","2","10","10","1") = "9"
    & skf18("3","9","7","3","1","1","1") = "8"
    & skf18("3","9","7","3","1","2","1") = "8"
    & skf18("3","9","7","3","1","3","1") = "8"
    & skf18("3","9","7","3","1","4","1") = "8"
    & skf18("3","9","7","3","1","5","1") = "8"
    & skf18("3","9","7","3","1","6","1") = "8"
    & skf18("3","9","7","3","1","7","1") = "8"
    & skf18("3","9","7","3","1","8","1") = "8"
    & skf18("3","9","7","3","1","9","1") = "8"
    & skf18("3","9","7","3","1","10","1") = "9"
    & skf18("3","9","7","3","2","1","1") = "8"
    & skf18("3","9","7","3","2","2","1") = "8"
    & skf18("3","9","7","3","2","3","1") = "8"
    & skf18("3","9","7","3","2","4","1") = "8"
    & skf18("3","9","7","3","2","5","1") = "8"
    & skf18("3","9","7","3","2","6","1") = "8"
    & skf18("3","9","7","3","2","7","1") = "8"
    & skf18("3","9","7","3","2","8","1") = "8"
    & skf18("3","9","7","3","2","9","1") = "8"
    & skf18("3","9","7","3","2","10","1") = "9"
    & skf18("3","9","7","3","3","1","1") = "8"
    & skf18("3","9","7","3","3","2","1") = "8"
    & skf18("3","9","7","3","3","3","1") = "8"
    & skf18("3","9","7","3","3","4","1") = "8"
    & skf18("3","9","7","3","3","5","1") = "8"
    & skf18("3","9","7","3","3","6","1") = "8"
    & skf18("3","9","7","3","3","7","1") = "8"
    & skf18("3","9","7","3","3","8","1") = "8"
    & skf18("3","9","7","3","3","9","1") = "8"
    & skf18("3","9","7","3","3","10","1") = "9"
    & skf18("3","9","7","3","4","1","1") = "8"
    & skf18("3","9","7","3","4","2","1") = "8"
    & skf18("3","9","7","3","4","3","1") = "8"
    & skf18("3","9","7","3","4","4","1") = "8"
    & skf18("3","9","7","3","4","5","1") = "8"
    & skf18("3","9","7","3","4","6","1") = "8"
    & skf18("3","9","7","3","4","7","1") = "8"
    & skf18("3","9","7","3","4","8","1") = "8"
    & skf18("3","9","7","3","4","9","1") = "8"
    & skf18("3","9","7","3","4","10","1") = "9"
    & skf18("3","9","7","3","5","1","1") = "8"
    & skf18("3","9","7","3","5","2","1") = "8"
    & skf18("3","9","7","3","5","3","1") = "8"
    & skf18("3","9","7","3","5","4","1") = "8"
    & skf18("3","9","7","3","5","5","1") = "8"
    & skf18("3","9","7","3","5","6","1") = "8"
    & skf18("3","9","7","3","5","7","1") = "8"
    & skf18("3","9","7","3","5","8","1") = "8"
    & skf18("3","9","7","3","5","9","1") = "8"
    & skf18("3","9","7","3","5","10","1") = "9"
    & skf18("3","9","7","3","6","1","1") = "8"
    & skf18("3","9","7","3","6","2","1") = "8"
    & skf18("3","9","7","3","6","3","1") = "8"
    & skf18("3","9","7","3","6","4","1") = "8"
    & skf18("3","9","7","3","6","5","1") = "8"
    & skf18("3","9","7","3","6","6","1") = "8"
    & skf18("3","9","7","3","6","7","1") = "8"
    & skf18("3","9","7","3","6","8","1") = "8"
    & skf18("3","9","7","3","6","9","1") = "8"
    & skf18("3","9","7","3","6","10","1") = "9"
    & skf18("3","9","7","3","7","1","1") = "8"
    & skf18("3","9","7","3","7","2","1") = "8"
    & skf18("3","9","7","3","7","3","1") = "8"
    & skf18("3","9","7","3","7","4","1") = "8"
    & skf18("3","9","7","3","7","5","1") = "8"
    & skf18("3","9","7","3","7","6","1") = "8"
    & skf18("3","9","7","3","7","7","1") = "8"
    & skf18("3","9","7","3","7","8","1") = "8"
    & skf18("3","9","7","3","7","9","1") = "8"
    & skf18("3","9","7","3","7","10","1") = "9"
    & skf18("3","9","7","3","8","1","1") = "8"
    & skf18("3","9","7","3","8","2","1") = "8"
    & skf18("3","9","7","3","8","3","1") = "8"
    & skf18("3","9","7","3","8","4","1") = "8"
    & skf18("3","9","7","3","8","5","1") = "8"
    & skf18("3","9","7","3","8","6","1") = "8"
    & skf18("3","9","7","3","8","7","1") = "8"
    & skf18("3","9","7","3","8","8","1") = "8"
    & skf18("3","9","7","3","8","9","1") = "8"
    & skf18("3","9","7","3","8","10","1") = "9"
    & skf18("3","9","7","3","9","1","1") = "8"
    & skf18("3","9","7","3","9","2","1") = "8"
    & skf18("3","9","7","3","9","3","1") = "8"
    & skf18("3","9","7","3","9","4","1") = "8"
    & skf18("3","9","7","3","9","5","1") = "8"
    & skf18("3","9","7","3","9","6","1") = "8"
    & skf18("3","9","7","3","9","7","1") = "8"
    & skf18("3","9","7","3","9","8","1") = "8"
    & skf18("3","9","7","3","9","9","1") = "8"
    & skf18("3","9","7","3","9","10","1") = "9"
    & skf18("3","9","7","3","10","1","1") = "9"
    & skf18("3","9","7","3","10","2","1") = "9"
    & skf18("3","9","7","3","10","3","1") = "9"
    & skf18("3","9","7","3","10","4","1") = "9"
    & skf18("3","9","7","3","10","5","1") = "9"
    & skf18("3","9","7","3","10","6","1") = "9"
    & skf18("3","9","7","3","10","7","1") = "9"
    & skf18("3","9","7","3","10","8","1") = "9"
    & skf18("3","9","7","3","10","9","1") = "9"
    & skf18("3","9","7","3","10","10","1") = "9"
    & skf18("3","9","7","4","1","1","1") = "8"
    & skf18("3","9","7","4","1","2","1") = "8"
    & skf18("3","9","7","4","1","3","1") = "8"
    & skf18("3","9","7","4","1","4","1") = "8"
    & skf18("3","9","7","4","1","5","1") = "8"
    & skf18("3","9","7","4","1","6","1") = "8"
    & skf18("3","9","7","4","1","7","1") = "8"
    & skf18("3","9","7","4","1","8","1") = "8"
    & skf18("3","9","7","4","1","9","1") = "8"
    & skf18("3","9","7","4","1","10","1") = "9"
    & skf18("3","9","7","4","2","1","1") = "8"
    & skf18("3","9","7","4","2","2","1") = "8"
    & skf18("3","9","7","4","2","3","1") = "8"
    & skf18("3","9","7","4","2","4","1") = "8"
    & skf18("3","9","7","4","2","5","1") = "8"
    & skf18("3","9","7","4","2","6","1") = "8"
    & skf18("3","9","7","4","2","7","1") = "8"
    & skf18("3","9","7","4","2","8","1") = "8"
    & skf18("3","9","7","4","2","9","1") = "8"
    & skf18("3","9","7","4","2","10","1") = "9"
    & skf18("3","9","7","4","3","1","1") = "8"
    & skf18("3","9","7","4","3","2","1") = "8"
    & skf18("3","9","7","4","3","3","1") = "8"
    & skf18("3","9","7","4","3","4","1") = "8"
    & skf18("3","9","7","4","3","5","1") = "8"
    & skf18("3","9","7","4","3","6","1") = "8"
    & skf18("3","9","7","4","3","7","1") = "8"
    & skf18("3","9","7","4","3","8","1") = "8"
    & skf18("3","9","7","4","3","9","1") = "8"
    & skf18("3","9","7","4","3","10","1") = "9"
    & skf18("3","9","7","4","4","1","1") = "8"
    & skf18("3","9","7","4","4","2","1") = "8"
    & skf18("3","9","7","4","4","3","1") = "8"
    & skf18("3","9","7","4","4","4","1") = "8"
    & skf18("3","9","7","4","4","5","1") = "8"
    & skf18("3","9","7","4","4","6","1") = "8"
    & skf18("3","9","7","4","4","7","1") = "8"
    & skf18("3","9","7","4","4","8","1") = "8"
    & skf18("3","9","7","4","4","9","1") = "8"
    & skf18("3","9","7","4","4","10","1") = "9"
    & skf18("3","9","7","4","5","1","1") = "8"
    & skf18("3","9","7","4","5","2","1") = "8"
    & skf18("3","9","7","4","5","3","1") = "8"
    & skf18("3","9","7","4","5","4","1") = "8"
    & skf18("3","9","7","4","5","5","1") = "8"
    & skf18("3","9","7","4","5","6","1") = "8"
    & skf18("3","9","7","4","5","7","1") = "8"
    & skf18("3","9","7","4","5","8","1") = "8"
    & skf18("3","9","7","4","5","9","1") = "8"
    & skf18("3","9","7","4","5","10","1") = "9"
    & skf18("3","9","7","4","6","1","1") = "8"
    & skf18("3","9","7","4","6","2","1") = "8"
    & skf18("3","9","7","4","6","3","1") = "8"
    & skf18("3","9","7","4","6","4","1") = "8"
    & skf18("3","9","7","4","6","5","1") = "8"
    & skf18("3","9","7","4","6","6","1") = "8"
    & skf18("3","9","7","4","6","7","1") = "8"
    & skf18("3","9","7","4","6","8","1") = "8"
    & skf18("3","9","7","4","6","9","1") = "8"
    & skf18("3","9","7","4","6","10","1") = "9"
    & skf18("3","9","7","4","7","1","1") = "8"
    & skf18("3","9","7","4","7","2","1") = "8"
    & skf18("3","9","7","4","7","3","1") = "8"
    & skf18("3","9","7","4","7","4","1") = "8"
    & skf18("3","9","7","4","7","5","1") = "8"
    & skf18("3","9","7","4","7","6","1") = "8"
    & skf18("3","9","7","4","7","7","1") = "8"
    & skf18("3","9","7","4","7","8","1") = "8"
    & skf18("3","9","7","4","7","9","1") = "8"
    & skf18("3","9","7","4","7","10","1") = "9"
    & skf18("3","9","7","4","8","1","1") = "8"
    & skf18("3","9","7","4","8","2","1") = "8"
    & skf18("3","9","7","4","8","3","1") = "8"
    & skf18("3","9","7","4","8","4","1") = "8"
    & skf18("3","9","7","4","8","5","1") = "8"
    & skf18("3","9","7","4","8","6","1") = "8"
    & skf18("3","9","7","4","8","7","1") = "8"
    & skf18("3","9","7","4","8","8","1") = "8"
    & skf18("3","9","7","4","8","9","1") = "8"
    & skf18("3","9","7","4","8","10","1") = "9"
    & skf18("3","9","7","4","9","1","1") = "8"
    & skf18("3","9","7","4","9","2","1") = "8"
    & skf18("3","9","7","4","9","3","1") = "8"
    & skf18("3","9","7","4","9","4","1") = "8"
    & skf18("3","9","7","4","9","5","1") = "8"
    & skf18("3","9","7","4","9","6","1") = "8"
    & skf18("3","9","7","4","9","7","1") = "8"
    & skf18("3","9","7","4","9","8","1") = "8"
    & skf18("3","9","7","4","9","9","1") = "8"
    & skf18("3","9","7","4","9","10","1") = "9"
    & skf18("3","9","7","4","10","1","1") = "9"
    & skf18("3","9","7","4","10","2","1") = "9"
    & skf18("3","9","7","4","10","3","1") = "9"
    & skf18("3","9","7","4","10","4","1") = "9"
    & skf18("3","9","7","4","10","5","1") = "9"
    & skf18("3","9","7","4","10","6","1") = "9"
    & skf18("3","9","7","4","10","7","1") = "9"
    & skf18("3","9","7","4","10","8","1") = "9"
    & skf18("3","9","7","4","10","9","1") = "9"
    & skf18("3","9","7","4","10","10","1") = "9"
    & skf18("3","9","7","5","1","1","1") = "8"
    & skf18("3","9","7","5","1","2","1") = "8"
    & skf18("3","9","7","5","1","3","1") = "8"
    & skf18("3","9","7","5","1","4","1") = "8"
    & skf18("3","9","7","5","1","5","1") = "8"
    & skf18("3","9","7","5","1","6","1") = "8"
    & skf18("3","9","7","5","1","7","1") = "8"
    & skf18("3","9","7","5","1","8","1") = "8"
    & skf18("3","9","7","5","1","9","1") = "8"
    & skf18("3","9","7","5","1","10","1") = "9"
    & skf18("3","9","7","5","2","1","1") = "8"
    & skf18("3","9","7","5","2","2","1") = "8"
    & skf18("3","9","7","5","2","3","1") = "8"
    & skf18("3","9","7","5","2","4","1") = "8"
    & skf18("3","9","7","5","2","5","1") = "8"
    & skf18("3","9","7","5","2","6","1") = "8"
    & skf18("3","9","7","5","2","7","1") = "8"
    & skf18("3","9","7","5","2","8","1") = "8"
    & skf18("3","9","7","5","2","9","1") = "8"
    & skf18("3","9","7","5","2","10","1") = "9"
    & skf18("3","9","7","5","3","1","1") = "8"
    & skf18("3","9","7","5","3","2","1") = "8"
    & skf18("3","9","7","5","3","3","1") = "8"
    & skf18("3","9","7","5","3","4","1") = "8"
    & skf18("3","9","7","5","3","5","1") = "8"
    & skf18("3","9","7","5","3","6","1") = "8"
    & skf18("3","9","7","5","3","7","1") = "8"
    & skf18("3","9","7","5","3","8","1") = "8"
    & skf18("3","9","7","5","3","9","1") = "8"
    & skf18("3","9","7","5","3","10","1") = "9"
    & skf18("3","9","7","5","4","1","1") = "8"
    & skf18("3","9","7","5","4","2","1") = "8"
    & skf18("3","9","7","5","4","3","1") = "8"
    & skf18("3","9","7","5","4","4","1") = "8"
    & skf18("3","9","7","5","4","5","1") = "8"
    & skf18("3","9","7","5","4","6","1") = "8"
    & skf18("3","9","7","5","4","7","1") = "8"
    & skf18("3","9","7","5","4","8","1") = "8"
    & skf18("3","9","7","5","4","9","1") = "8"
    & skf18("3","9","7","5","4","10","1") = "9"
    & skf18("3","9","7","5","5","1","1") = "8"
    & skf18("3","9","7","5","5","2","1") = "8"
    & skf18("3","9","7","5","5","3","1") = "8"
    & skf18("3","9","7","5","5","4","1") = "8"
    & skf18("3","9","7","5","5","5","1") = "8"
    & skf18("3","9","7","5","5","6","1") = "8"
    & skf18("3","9","7","5","5","7","1") = "8"
    & skf18("3","9","7","5","5","8","1") = "8"
    & skf18("3","9","7","5","5","9","1") = "8"
    & skf18("3","9","7","5","5","10","1") = "9"
    & skf18("3","9","7","5","6","1","1") = "8"
    & skf18("3","9","7","5","6","2","1") = "8"
    & skf18("3","9","7","5","6","3","1") = "8"
    & skf18("3","9","7","5","6","4","1") = "8"
    & skf18("3","9","7","5","6","5","1") = "8"
    & skf18("3","9","7","5","6","6","1") = "8"
    & skf18("3","9","7","5","6","7","1") = "8"
    & skf18("3","9","7","5","6","8","1") = "8"
    & skf18("3","9","7","5","6","9","1") = "8"
    & skf18("3","9","7","5","6","10","1") = "9"
    & skf18("3","9","7","5","7","1","1") = "8"
    & skf18("3","9","7","5","7","2","1") = "8"
    & skf18("3","9","7","5","7","3","1") = "8"
    & skf18("3","9","7","5","7","4","1") = "8"
    & skf18("3","9","7","5","7","5","1") = "8"
    & skf18("3","9","7","5","7","6","1") = "8"
    & skf18("3","9","7","5","7","7","1") = "8"
    & skf18("3","9","7","5","7","8","1") = "8"
    & skf18("3","9","7","5","7","9","1") = "8"
    & skf18("3","9","7","5","7","10","1") = "9"
    & skf18("3","9","7","5","8","1","1") = "8"
    & skf18("3","9","7","5","8","2","1") = "8"
    & skf18("3","9","7","5","8","3","1") = "8"
    & skf18("3","9","7","5","8","4","1") = "8"
    & skf18("3","9","7","5","8","5","1") = "8"
    & skf18("3","9","7","5","8","6","1") = "8"
    & skf18("3","9","7","5","8","7","1") = "8"
    & skf18("3","9","7","5","8","8","1") = "8"
    & skf18("3","9","7","5","8","9","1") = "8"
    & skf18("3","9","7","5","8","10","1") = "9"
    & skf18("3","9","7","5","9","1","1") = "8"
    & skf18("3","9","7","5","9","2","1") = "8"
    & skf18("3","9","7","5","9","3","1") = "8"
    & skf18("3","9","7","5","9","4","1") = "8"
    & skf18("3","9","7","5","9","5","1") = "8"
    & skf18("3","9","7","5","9","6","1") = "8"
    & skf18("3","9","7","5","9","7","1") = "8"
    & skf18("3","9","7","5","9","8","1") = "8"
    & skf18("3","9","7","5","9","9","1") = "8"
    & skf18("3","9","7","5","9","10","1") = "9"
    & skf18("3","9","7","5","10","1","1") = "9"
    & skf18("3","9","7","5","10","2","1") = "9"
    & skf18("3","9","7","5","10","3","1") = "9"
    & skf18("3","9","7","5","10","4","1") = "9"
    & skf18("3","9","7","5","10","5","1") = "9"
    & skf18("3","9","7","5","10","6","1") = "9"
    & skf18("3","9","7","5","10","7","1") = "9"
    & skf18("3","9","7","5","10","8","1") = "9"
    & skf18("3","9","7","5","10","9","1") = "9"
    & skf18("3","9","7","5","10","10","1") = "9"
    & skf18("3","9","7","6","1","1","1") = "8"
    & skf18("3","9","7","6","1","2","1") = "8"
    & skf18("3","9","7","6","1","3","1") = "8"
    & skf18("3","9","7","6","1","4","1") = "8"
    & skf18("3","9","7","6","1","5","1") = "8"
    & skf18("3","9","7","6","1","6","1") = "8"
    & skf18("3","9","7","6","1","7","1") = "8"
    & skf18("3","9","7","6","1","8","1") = "8"
    & skf18("3","9","7","6","1","9","1") = "8"
    & skf18("3","9","7","6","1","10","1") = "9"
    & skf18("3","9","7","6","2","1","1") = "8"
    & skf18("3","9","7","6","2","2","1") = "8"
    & skf18("3","9","7","6","2","3","1") = "8"
    & skf18("3","9","7","6","2","4","1") = "8"
    & skf18("3","9","7","6","2","5","1") = "8"
    & skf18("3","9","7","6","2","6","1") = "8"
    & skf18("3","9","7","6","2","7","1") = "8"
    & skf18("3","9","7","6","2","8","1") = "8"
    & skf18("3","9","7","6","2","9","1") = "8"
    & skf18("3","9","7","6","2","10","1") = "9"
    & skf18("3","9","7","6","3","1","1") = "8"
    & skf18("3","9","7","6","3","2","1") = "8"
    & skf18("3","9","7","6","3","3","1") = "8"
    & skf18("3","9","7","6","3","4","1") = "8"
    & skf18("3","9","7","6","3","5","1") = "8"
    & skf18("3","9","7","6","3","6","1") = "8"
    & skf18("3","9","7","6","3","7","1") = "8"
    & skf18("3","9","7","6","3","8","1") = "8"
    & skf18("3","9","7","6","3","9","1") = "8"
    & skf18("3","9","7","6","3","10","1") = "9"
    & skf18("3","9","7","6","4","1","1") = "8"
    & skf18("3","9","7","6","4","2","1") = "8"
    & skf18("3","9","7","6","4","3","1") = "8"
    & skf18("3","9","7","6","4","4","1") = "8"
    & skf18("3","9","7","6","4","5","1") = "8"
    & skf18("3","9","7","6","4","6","1") = "8"
    & skf18("3","9","7","6","4","7","1") = "8"
    & skf18("3","9","7","6","4","8","1") = "8"
    & skf18("3","9","7","6","4","9","1") = "8"
    & skf18("3","9","7","6","4","10","1") = "9"
    & skf18("3","9","7","6","5","1","1") = "8"
    & skf18("3","9","7","6","5","2","1") = "8"
    & skf18("3","9","7","6","5","3","1") = "8"
    & skf18("3","9","7","6","5","4","1") = "8"
    & skf18("3","9","7","6","5","5","1") = "8"
    & skf18("3","9","7","6","5","6","1") = "8"
    & skf18("3","9","7","6","5","7","1") = "8"
    & skf18("3","9","7","6","5","8","1") = "8"
    & skf18("3","9","7","6","5","9","1") = "8"
    & skf18("3","9","7","6","5","10","1") = "9"
    & skf18("3","9","7","6","6","1","1") = "8"
    & skf18("3","9","7","6","6","2","1") = "8"
    & skf18("3","9","7","6","6","3","1") = "8"
    & skf18("3","9","7","6","6","4","1") = "8"
    & skf18("3","9","7","6","6","5","1") = "8"
    & skf18("3","9","7","6","6","6","1") = "8"
    & skf18("3","9","7","6","6","7","1") = "8"
    & skf18("3","9","7","6","6","8","1") = "8"
    & skf18("3","9","7","6","6","9","1") = "8"
    & skf18("3","9","7","6","6","10","1") = "9"
    & skf18("3","9","7","6","7","1","1") = "8"
    & skf18("3","9","7","6","7","2","1") = "8"
    & skf18("3","9","7","6","7","3","1") = "8"
    & skf18("3","9","7","6","7","4","1") = "8"
    & skf18("3","9","7","6","7","5","1") = "8"
    & skf18("3","9","7","6","7","6","1") = "8"
    & skf18("3","9","7","6","7","7","1") = "8"
    & skf18("3","9","7","6","7","8","1") = "8"
    & skf18("3","9","7","6","7","9","1") = "8"
    & skf18("3","9","7","6","7","10","1") = "9"
    & skf18("3","9","7","6","8","1","1") = "8"
    & skf18("3","9","7","6","8","2","1") = "8"
    & skf18("3","9","7","6","8","3","1") = "8"
    & skf18("3","9","7","6","8","4","1") = "8"
    & skf18("3","9","7","6","8","5","1") = "8"
    & skf18("3","9","7","6","8","6","1") = "8"
    & skf18("3","9","7","6","8","7","1") = "8"
    & skf18("3","9","7","6","8","8","1") = "8"
    & skf18("3","9","7","6","8","9","1") = "8"
    & skf18("3","9","7","6","8","10","1") = "9"
    & skf18("3","9","7","6","9","1","1") = "8"
    & skf18("3","9","7","6","9","2","1") = "8"
    & skf18("3","9","7","6","9","3","1") = "8"
    & skf18("3","9","7","6","9","4","1") = "8"
    & skf18("3","9","7","6","9","5","1") = "8"
    & skf18("3","9","7","6","9","6","1") = "8"
    & skf18("3","9","7","6","9","7","1") = "8"
    & skf18("3","9","7","6","9","8","1") = "8"
    & skf18("3","9","7","6","9","9","1") = "8"
    & skf18("3","9","7","6","9","10","1") = "9"
    & skf18("3","9","7","6","10","1","1") = "9"
    & skf18("3","9","7","6","10","2","1") = "9"
    & skf18("3","9","7","6","10","3","1") = "9"
    & skf18("3","9","7","6","10","4","1") = "9"
    & skf18("3","9","7","6","10","5","1") = "9"
    & skf18("3","9","7","6","10","6","1") = "9"
    & skf18("3","9","7","6","10","7","1") = "9"
    & skf18("3","9","7","6","10","8","1") = "9"
    & skf18("3","9","7","6","10","9","1") = "9"
    & skf18("3","9","7","6","10","10","1") = "9"
    & skf18("3","9","7","7","1","1","1") = "8"
    & skf18("3","9","7","7","1","2","1") = "8"
    & skf18("3","9","7","7","1","3","1") = "8"
    & skf18("3","9","7","7","1","4","1") = "8"
    & skf18("3","9","7","7","1","5","1") = "8"
    & skf18("3","9","7","7","1","6","1") = "8"
    & skf18("3","9","7","7","1","7","1") = "8"
    & skf18("3","9","7","7","1","8","1") = "8"
    & skf18("3","9","7","7","1","9","1") = "8"
    & skf18("3","9","7","7","1","10","1") = "9"
    & skf18("3","9","7","7","2","1","1") = "8"
    & skf18("3","9","7","7","2","2","1") = "8"
    & skf18("3","9","7","7","2","3","1") = "8"
    & skf18("3","9","7","7","2","4","1") = "8"
    & skf18("3","9","7","7","2","5","1") = "8"
    & skf18("3","9","7","7","2","6","1") = "8"
    & skf18("3","9","7","7","2","7","1") = "8"
    & skf18("3","9","7","7","2","8","1") = "8"
    & skf18("3","9","7","7","2","9","1") = "8"
    & skf18("3","9","7","7","2","10","1") = "9"
    & skf18("3","9","7","7","3","1","1") = "8"
    & skf18("3","9","7","7","3","2","1") = "8"
    & skf18("3","9","7","7","3","3","1") = "8"
    & skf18("3","9","7","7","3","4","1") = "8"
    & skf18("3","9","7","7","3","5","1") = "8"
    & skf18("3","9","7","7","3","6","1") = "8"
    & skf18("3","9","7","7","3","7","1") = "8"
    & skf18("3","9","7","7","3","8","1") = "8"
    & skf18("3","9","7","7","3","9","1") = "8"
    & skf18("3","9","7","7","3","10","1") = "9"
    & skf18("3","9","7","7","4","1","1") = "8"
    & skf18("3","9","7","7","4","2","1") = "8"
    & skf18("3","9","7","7","4","3","1") = "8"
    & skf18("3","9","7","7","4","4","1") = "8"
    & skf18("3","9","7","7","4","5","1") = "8"
    & skf18("3","9","7","7","4","6","1") = "8"
    & skf18("3","9","7","7","4","7","1") = "8"
    & skf18("3","9","7","7","4","8","1") = "8"
    & skf18("3","9","7","7","4","9","1") = "8"
    & skf18("3","9","7","7","4","10","1") = "9"
    & skf18("3","9","7","7","5","1","1") = "8"
    & skf18("3","9","7","7","5","2","1") = "8"
    & skf18("3","9","7","7","5","3","1") = "8"
    & skf18("3","9","7","7","5","4","1") = "8"
    & skf18("3","9","7","7","5","5","1") = "8"
    & skf18("3","9","7","7","5","6","1") = "8"
    & skf18("3","9","7","7","5","7","1") = "8"
    & skf18("3","9","7","7","5","8","1") = "8"
    & skf18("3","9","7","7","5","9","1") = "8"
    & skf18("3","9","7","7","5","10","1") = "9"
    & skf18("3","9","7","7","6","1","1") = "8"
    & skf18("3","9","7","7","6","2","1") = "8"
    & skf18("3","9","7","7","6","3","1") = "8"
    & skf18("3","9","7","7","6","4","1") = "8"
    & skf18("3","9","7","7","6","5","1") = "8"
    & skf18("3","9","7","7","6","6","1") = "8"
    & skf18("3","9","7","7","6","7","1") = "8"
    & skf18("3","9","7","7","6","8","1") = "8"
    & skf18("3","9","7","7","6","9","1") = "8"
    & skf18("3","9","7","7","6","10","1") = "9"
    & skf18("3","9","7","7","7","1","1") = "8"
    & skf18("3","9","7","7","7","2","1") = "8"
    & skf18("3","9","7","7","7","3","1") = "8"
    & skf18("3","9","7","7","7","4","1") = "8"
    & skf18("3","9","7","7","7","5","1") = "8"
    & skf18("3","9","7","7","7","6","1") = "8"
    & skf18("3","9","7","7","7","7","1") = "8"
    & skf18("3","9","7","7","7","8","1") = "8"
    & skf18("3","9","7","7","7","9","1") = "8"
    & skf18("3","9","7","7","7","10","1") = "9"
    & skf18("3","9","7","7","8","1","1") = "8"
    & skf18("3","9","7","7","8","2","1") = "8"
    & skf18("3","9","7","7","8","3","1") = "8"
    & skf18("3","9","7","7","8","4","1") = "8"
    & skf18("3","9","7","7","8","5","1") = "8"
    & skf18("3","9","7","7","8","6","1") = "8"
    & skf18("3","9","7","7","8","7","1") = "8"
    & skf18("3","9","7","7","8","8","1") = "8"
    & skf18("3","9","7","7","8","9","1") = "8"
    & skf18("3","9","7","7","8","10","1") = "9"
    & skf18("3","9","7","7","9","1","1") = "8"
    & skf18("3","9","7","7","9","2","1") = "8"
    & skf18("3","9","7","7","9","3","1") = "8"
    & skf18("3","9","7","7","9","4","1") = "8"
    & skf18("3","9","7","7","9","5","1") = "8"
    & skf18("3","9","7","7","9","6","1") = "8"
    & skf18("3","9","7","7","9","7","1") = "8"
    & skf18("3","9","7","7","9","8","1") = "8"
    & skf18("3","9","7","7","9","9","1") = "8"
    & skf18("3","9","7","7","9","10","1") = "9"
    & skf18("3","9","7","7","10","1","1") = "9"
    & skf18("3","9","7","7","10","2","1") = "9"
    & skf18("3","9","7","7","10","3","1") = "9"
    & skf18("3","9","7","7","10","4","1") = "9"
    & skf18("3","9","7","7","10","5","1") = "9"
    & skf18("3","9","7","7","10","6","1") = "9"
    & skf18("3","9","7","7","10","7","1") = "9"
    & skf18("3","9","7","7","10","8","1") = "9"
    & skf18("3","9","7","7","10","9","1") = "9"
    & skf18("3","9","7","7","10","10","1") = "9"
    & skf18("3","9","7","8","1","1","1") = "8"
    & skf18("3","9","7","8","1","2","1") = "8"
    & skf18("3","9","7","8","1","3","1") = "8"
    & skf18("3","9","7","8","1","4","1") = "8"
    & skf18("3","9","7","8","1","5","1") = "8"
    & skf18("3","9","7","8","1","6","1") = "8"
    & skf18("3","9","7","8","1","7","1") = "8"
    & skf18("3","9","7","8","1","8","1") = "8"
    & skf18("3","9","7","8","1","9","1") = "8"
    & skf18("3","9","7","8","1","10","1") = "9"
    & skf18("3","9","7","8","2","1","1") = "8"
    & skf18("3","9","7","8","2","2","1") = "8"
    & skf18("3","9","7","8","2","3","1") = "8"
    & skf18("3","9","7","8","2","4","1") = "8"
    & skf18("3","9","7","8","2","5","1") = "8"
    & skf18("3","9","7","8","2","6","1") = "8"
    & skf18("3","9","7","8","2","7","1") = "8"
    & skf18("3","9","7","8","2","8","1") = "8"
    & skf18("3","9","7","8","2","9","1") = "8"
    & skf18("3","9","7","8","2","10","1") = "9"
    & skf18("3","9","7","8","3","1","1") = "8"
    & skf18("3","9","7","8","3","2","1") = "8"
    & skf18("3","9","7","8","3","3","1") = "8"
    & skf18("3","9","7","8","3","4","1") = "8"
    & skf18("3","9","7","8","3","5","1") = "8"
    & skf18("3","9","7","8","3","6","1") = "8"
    & skf18("3","9","7","8","3","7","1") = "8"
    & skf18("3","9","7","8","3","8","1") = "8"
    & skf18("3","9","7","8","3","9","1") = "8"
    & skf18("3","9","7","8","3","10","1") = "9"
    & skf18("3","9","7","8","4","1","1") = "8"
    & skf18("3","9","7","8","4","2","1") = "8"
    & skf18("3","9","7","8","4","3","1") = "8"
    & skf18("3","9","7","8","4","4","1") = "8"
    & skf18("3","9","7","8","4","5","1") = "8"
    & skf18("3","9","7","8","4","6","1") = "8"
    & skf18("3","9","7","8","4","7","1") = "8"
    & skf18("3","9","7","8","4","8","1") = "8"
    & skf18("3","9","7","8","4","9","1") = "8"
    & skf18("3","9","7","8","4","10","1") = "9"
    & skf18("3","9","7","8","5","1","1") = "8"
    & skf18("3","9","7","8","5","2","1") = "8"
    & skf18("3","9","7","8","5","3","1") = "8"
    & skf18("3","9","7","8","5","4","1") = "8"
    & skf18("3","9","7","8","5","5","1") = "8"
    & skf18("3","9","7","8","5","6","1") = "8"
    & skf18("3","9","7","8","5","7","1") = "8"
    & skf18("3","9","7","8","5","8","1") = "8"
    & skf18("3","9","7","8","5","9","1") = "8"
    & skf18("3","9","7","8","5","10","1") = "9"
    & skf18("3","9","7","8","6","1","1") = "8"
    & skf18("3","9","7","8","6","2","1") = "8"
    & skf18("3","9","7","8","6","3","1") = "8"
    & skf18("3","9","7","8","6","4","1") = "8"
    & skf18("3","9","7","8","6","5","1") = "8"
    & skf18("3","9","7","8","6","6","1") = "8"
    & skf18("3","9","7","8","6","7","1") = "8"
    & skf18("3","9","7","8","6","8","1") = "8"
    & skf18("3","9","7","8","6","9","1") = "8"
    & skf18("3","9","7","8","6","10","1") = "9"
    & skf18("3","9","7","8","7","1","1") = "8"
    & skf18("3","9","7","8","7","2","1") = "8"
    & skf18("3","9","7","8","7","3","1") = "8"
    & skf18("3","9","7","8","7","4","1") = "8"
    & skf18("3","9","7","8","7","5","1") = "8"
    & skf18("3","9","7","8","7","6","1") = "8"
    & skf18("3","9","7","8","7","7","1") = "8"
    & skf18("3","9","7","8","7","8","1") = "8"
    & skf18("3","9","7","8","7","9","1") = "8"
    & skf18("3","9","7","8","7","10","1") = "9"
    & skf18("3","9","7","8","8","1","1") = "8"
    & skf18("3","9","7","8","8","2","1") = "8"
    & skf18("3","9","7","8","8","3","1") = "8"
    & skf18("3","9","7","8","8","4","1") = "8"
    & skf18("3","9","7","8","8","5","1") = "8"
    & skf18("3","9","7","8","8","6","1") = "8"
    & skf18("3","9","7","8","8","7","1") = "8"
    & skf18("3","9","7","8","8","8","1") = "8"
    & skf18("3","9","7","8","8","9","1") = "8"
    & skf18("3","9","7","8","8","10","1") = "9"
    & skf18("3","9","7","8","9","1","1") = "8"
    & skf18("3","9","7","8","9","2","1") = "8"
    & skf18("3","9","7","8","9","3","1") = "8"
    & skf18("3","9","7","8","9","4","1") = "8"
    & skf18("3","9","7","8","9","5","1") = "8"
    & skf18("3","9","7","8","9","6","1") = "8"
    & skf18("3","9","7","8","9","7","1") = "8"
    & skf18("3","9","7","8","9","8","1") = "8"
    & skf18("3","9","7","8","9","9","1") = "8"
    & skf18("3","9","7","8","9","10","1") = "9"
    & skf18("3","9","7","8","10","1","1") = "9"
    & skf18("3","9","7","8","10","2","1") = "9"
    & skf18("3","9","7","8","10","3","1") = "9"
    & skf18("3","9","7","8","10","4","1") = "9"
    & skf18("3","9","7","8","10","5","1") = "9"
    & skf18("3","9","7","8","10","6","1") = "9"
    & skf18("3","9","7","8","10","7","1") = "9"
    & skf18("3","9","7","8","10","8","1") = "9"
    & skf18("3","9","7","8","10","9","1") = "9"
    & skf18("3","9","7","8","10","10","1") = "9"
    & skf18("3","9","7","9","1","1","1") = "8"
    & skf18("3","9","7","9","1","2","1") = "8"
    & skf18("3","9","7","9","1","3","1") = "8"
    & skf18("3","9","7","9","1","4","1") = "8"
    & skf18("3","9","7","9","1","5","1") = "8"
    & skf18("3","9","7","9","1","6","1") = "8"
    & skf18("3","9","7","9","1","7","1") = "8"
    & skf18("3","9","7","9","1","8","1") = "8"
    & skf18("3","9","7","9","1","9","1") = "8"
    & skf18("3","9","7","9","1","10","1") = "9"
    & skf18("3","9","7","9","2","1","1") = "8"
    & skf18("3","9","7","9","2","2","1") = "8"
    & skf18("3","9","7","9","2","3","1") = "8"
    & skf18("3","9","7","9","2","4","1") = "8"
    & skf18("3","9","7","9","2","5","1") = "8"
    & skf18("3","9","7","9","2","6","1") = "8"
    & skf18("3","9","7","9","2","7","1") = "8"
    & skf18("3","9","7","9","2","8","1") = "8"
    & skf18("3","9","7","9","2","9","1") = "8"
    & skf18("3","9","7","9","2","10","1") = "9"
    & skf18("3","9","7","9","3","1","1") = "8"
    & skf18("3","9","7","9","3","2","1") = "8"
    & skf18("3","9","7","9","3","3","1") = "8"
    & skf18("3","9","7","9","3","4","1") = "8"
    & skf18("3","9","7","9","3","5","1") = "8"
    & skf18("3","9","7","9","3","6","1") = "8"
    & skf18("3","9","7","9","3","7","1") = "8"
    & skf18("3","9","7","9","3","8","1") = "8"
    & skf18("3","9","7","9","3","9","1") = "8"
    & skf18("3","9","7","9","3","10","1") = "9"
    & skf18("3","9","7","9","4","1","1") = "8"
    & skf18("3","9","7","9","4","2","1") = "8"
    & skf18("3","9","7","9","4","3","1") = "8"
    & skf18("3","9","7","9","4","4","1") = "8"
    & skf18("3","9","7","9","4","5","1") = "8"
    & skf18("3","9","7","9","4","6","1") = "8"
    & skf18("3","9","7","9","4","7","1") = "8"
    & skf18("3","9","7","9","4","8","1") = "8"
    & skf18("3","9","7","9","4","9","1") = "8"
    & skf18("3","9","7","9","4","10","1") = "9"
    & skf18("3","9","7","9","5","1","1") = "8"
    & skf18("3","9","7","9","5","2","1") = "8"
    & skf18("3","9","7","9","5","3","1") = "8"
    & skf18("3","9","7","9","5","4","1") = "8"
    & skf18("3","9","7","9","5","5","1") = "8"
    & skf18("3","9","7","9","5","6","1") = "8"
    & skf18("3","9","7","9","5","7","1") = "8"
    & skf18("3","9","7","9","5","8","1") = "8"
    & skf18("3","9","7","9","5","9","1") = "8"
    & skf18("3","9","7","9","5","10","1") = "9"
    & skf18("3","9","7","9","6","1","1") = "8"
    & skf18("3","9","7","9","6","2","1") = "8"
    & skf18("3","9","7","9","6","3","1") = "8"
    & skf18("3","9","7","9","6","4","1") = "8"
    & skf18("3","9","7","9","6","5","1") = "8"
    & skf18("3","9","7","9","6","6","1") = "8"
    & skf18("3","9","7","9","6","7","1") = "8"
    & skf18("3","9","7","9","6","8","1") = "8"
    & skf18("3","9","7","9","6","9","1") = "8"
    & skf18("3","9","7","9","6","10","1") = "9"
    & skf18("3","9","7","9","7","1","1") = "8"
    & skf18("3","9","7","9","7","2","1") = "8"
    & skf18("3","9","7","9","7","3","1") = "8"
    & skf18("3","9","7","9","7","4","1") = "8"
    & skf18("3","9","7","9","7","5","1") = "8"
    & skf18("3","9","7","9","7","6","1") = "8"
    & skf18("3","9","7","9","7","7","1") = "8"
    & skf18("3","9","7","9","7","8","1") = "8"
    & skf18("3","9","7","9","7","9","1") = "8"
    & skf18("3","9","7","9","7","10","1") = "9"
    & skf18("3","9","7","9","8","1","1") = "8"
    & skf18("3","9","7","9","8","2","1") = "8"
    & skf18("3","9","7","9","8","3","1") = "8"
    & skf18("3","9","7","9","8","4","1") = "8"
    & skf18("3","9","7","9","8","5","1") = "8"
    & skf18("3","9","7","9","8","6","1") = "8"
    & skf18("3","9","7","9","8","7","1") = "8"
    & skf18("3","9","7","9","8","8","1") = "8"
    & skf18("3","9","7","9","8","9","1") = "8"
    & skf18("3","9","7","9","8","10","1") = "9"
    & skf18("3","9","7","9","9","1","1") = "8"
    & skf18("3","9","7","9","9","2","1") = "8"
    & skf18("3","9","7","9","9","3","1") = "8"
    & skf18("3","9","7","9","9","4","1") = "8"
    & skf18("3","9","7","9","9","5","1") = "8"
    & skf18("3","9","7","9","9","6","1") = "8"
    & skf18("3","9","7","9","9","7","1") = "8"
    & skf18("3","9","7","9","9","8","1") = "8"
    & skf18("3","9","7","9","9","9","1") = "8"
    & skf18("3","9","7","9","9","10","1") = "9"
    & skf18("3","9","7","9","10","1","1") = "9"
    & skf18("3","9","7","9","10","2","1") = "9"
    & skf18("3","9","7","9","10","3","1") = "9"
    & skf18("3","9","7","9","10","4","1") = "9"
    & skf18("3","9","7","9","10","5","1") = "9"
    & skf18("3","9","7","9","10","6","1") = "9"
    & skf18("3","9","7","9","10","7","1") = "9"
    & skf18("3","9","7","9","10","8","1") = "9"
    & skf18("3","9","7","9","10","9","1") = "9"
    & skf18("3","9","7","9","10","10","1") = "9"
    & skf18("3","9","7","10","1","1","1") = "9"
    & skf18("3","9","7","10","1","2","1") = "9"
    & skf18("3","9","7","10","1","3","1") = "9"
    & skf18("3","9","7","10","1","4","1") = "9"
    & skf18("3","9","7","10","1","5","1") = "9"
    & skf18("3","9","7","10","1","6","1") = "9"
    & skf18("3","9","7","10","1","7","1") = "9"
    & skf18("3","9","7","10","1","8","1") = "9"
    & skf18("3","9","7","10","1","9","1") = "9"
    & skf18("3","9","7","10","1","10","1") = "9"
    & skf18("3","9","7","10","2","1","1") = "9"
    & skf18("3","9","7","10","2","2","1") = "9"
    & skf18("3","9","7","10","2","3","1") = "9"
    & skf18("3","9","7","10","2","4","1") = "9"
    & skf18("3","9","7","10","2","5","1") = "9"
    & skf18("3","9","7","10","2","6","1") = "9"
    & skf18("3","9","7","10","2","7","1") = "9"
    & skf18("3","9","7","10","2","8","1") = "9"
    & skf18("3","9","7","10","2","9","1") = "9"
    & skf18("3","9","7","10","2","10","1") = "9"
    & skf18("3","9","7","10","3","1","1") = "9"
    & skf18("3","9","7","10","3","2","1") = "9"
    & skf18("3","9","7","10","3","3","1") = "9"
    & skf18("3","9","7","10","3","4","1") = "9"
    & skf18("3","9","7","10","3","5","1") = "9"
    & skf18("3","9","7","10","3","6","1") = "9"
    & skf18("3","9","7","10","3","7","1") = "9"
    & skf18("3","9","7","10","3","8","1") = "9"
    & skf18("3","9","7","10","3","9","1") = "9"
    & skf18("3","9","7","10","3","10","1") = "9"
    & skf18("3","9","7","10","4","1","1") = "9"
    & skf18("3","9","7","10","4","2","1") = "9"
    & skf18("3","9","7","10","4","3","1") = "9"
    & skf18("3","9","7","10","4","4","1") = "9"
    & skf18("3","9","7","10","4","5","1") = "9"
    & skf18("3","9","7","10","4","6","1") = "9"
    & skf18("3","9","7","10","4","7","1") = "9"
    & skf18("3","9","7","10","4","8","1") = "9"
    & skf18("3","9","7","10","4","9","1") = "9"
    & skf18("3","9","7","10","4","10","1") = "9"
    & skf18("3","9","7","10","5","1","1") = "9"
    & skf18("3","9","7","10","5","2","1") = "9"
    & skf18("3","9","7","10","5","3","1") = "9"
    & skf18("3","9","7","10","5","4","1") = "9"
    & skf18("3","9","7","10","5","5","1") = "9"
    & skf18("3","9","7","10","5","6","1") = "9"
    & skf18("3","9","7","10","5","7","1") = "9"
    & skf18("3","9","7","10","5","8","1") = "9"
    & skf18("3","9","7","10","5","9","1") = "9"
    & skf18("3","9","7","10","5","10","1") = "9"
    & skf18("3","9","7","10","6","1","1") = "9"
    & skf18("3","9","7","10","6","2","1") = "9"
    & skf18("3","9","7","10","6","3","1") = "9"
    & skf18("3","9","7","10","6","4","1") = "9"
    & skf18("3","9","7","10","6","5","1") = "9"
    & skf18("3","9","7","10","6","6","1") = "9"
    & skf18("3","9","7","10","6","7","1") = "9"
    & skf18("3","9","7","10","6","8","1") = "9"
    & skf18("3","9","7","10","6","9","1") = "9"
    & skf18("3","9","7","10","6","10","1") = "9"
    & skf18("3","9","7","10","7","1","1") = "9"
    & skf18("3","9","7","10","7","2","1") = "9"
    & skf18("3","9","7","10","7","3","1") = "9"
    & skf18("3","9","7","10","7","4","1") = "9"
    & skf18("3","9","7","10","7","5","1") = "9"
    & skf18("3","9","7","10","7","6","1") = "9"
    & skf18("3","9","7","10","7","7","1") = "9"
    & skf18("3","9","7","10","7","8","1") = "9"
    & skf18("3","9","7","10","7","9","1") = "9"
    & skf18("3","9","7","10","7","10","1") = "9"
    & skf18("3","9","7","10","8","1","1") = "9"
    & skf18("3","9","7","10","8","2","1") = "9"
    & skf18("3","9","7","10","8","3","1") = "9"
    & skf18("3","9","7","10","8","4","1") = "9"
    & skf18("3","9","7","10","8","5","1") = "9"
    & skf18("3","9","7","10","8","6","1") = "9"
    & skf18("3","9","7","10","8","7","1") = "9"
    & skf18("3","9","7","10","8","8","1") = "9"
    & skf18("3","9","7","10","8","9","1") = "9"
    & skf18("3","9","7","10","8","10","1") = "9"
    & skf18("3","9","7","10","9","1","1") = "9"
    & skf18("3","9","7","10","9","2","1") = "9"
    & skf18("3","9","7","10","9","3","1") = "9"
    & skf18("3","9","7","10","9","4","1") = "9"
    & skf18("3","9","7","10","9","5","1") = "9"
    & skf18("3","9","7","10","9","6","1") = "9"
    & skf18("3","9","7","10","9","7","1") = "9"
    & skf18("3","9","7","10","9","8","1") = "9"
    & skf18("3","9","7","10","9","9","1") = "9"
    & skf18("3","9","7","10","9","10","1") = "9"
    & skf18("3","9","7","10","10","1","1") = "9"
    & skf18("3","9","7","10","10","2","1") = "9"
    & skf18("3","9","7","10","10","3","1") = "9"
    & skf18("3","9","7","10","10","4","1") = "9"
    & skf18("3","9","7","10","10","5","1") = "9"
    & skf18("3","9","7","10","10","6","1") = "9"
    & skf18("3","9","7","10","10","7","1") = "9"
    & skf18("3","9","7","10","10","8","1") = "9"
    & skf18("3","9","7","10","10","9","1") = "9"
    & skf18("3","9","7","10","10","10","1") = "9"
    & skf18("3","9","8","1","1","1","1") = "8"
    & skf18("3","9","8","1","1","2","1") = "8"
    & skf18("3","9","8","1","1","3","1") = "8"
    & skf18("3","9","8","1","1","4","1") = "8"
    & skf18("3","9","8","1","1","5","1") = "8"
    & skf18("3","9","8","1","1","6","1") = "8"
    & skf18("3","9","8","1","1","7","1") = "8"
    & skf18("3","9","8","1","1","8","1") = "8"
    & skf18("3","9","8","1","1","9","1") = "8"
    & skf18("3","9","8","1","1","10","1") = "9"
    & skf18("3","9","8","1","2","1","1") = "8"
    & skf18("3","9","8","1","2","2","1") = "8"
    & skf18("3","9","8","1","2","3","1") = "8"
    & skf18("3","9","8","1","2","4","1") = "8"
    & skf18("3","9","8","1","2","5","1") = "8"
    & skf18("3","9","8","1","2","6","1") = "8"
    & skf18("3","9","8","1","2","7","1") = "8"
    & skf18("3","9","8","1","2","8","1") = "8"
    & skf18("3","9","8","1","2","9","1") = "8"
    & skf18("3","9","8","1","2","10","1") = "9"
    & skf18("3","9","8","1","3","1","1") = "8"
    & skf18("3","9","8","1","3","2","1") = "8"
    & skf18("3","9","8","1","3","3","1") = "8"
    & skf18("3","9","8","1","3","4","1") = "8"
    & skf18("3","9","8","1","3","5","1") = "8"
    & skf18("3","9","8","1","3","6","1") = "8"
    & skf18("3","9","8","1","3","7","1") = "8"
    & skf18("3","9","8","1","3","8","1") = "8"
    & skf18("3","9","8","1","3","9","1") = "8"
    & skf18("3","9","8","1","3","10","1") = "9"
    & skf18("3","9","8","1","4","1","1") = "8"
    & skf18("3","9","8","1","4","2","1") = "8"
    & skf18("3","9","8","1","4","3","1") = "8"
    & skf18("3","9","8","1","4","4","1") = "8"
    & skf18("3","9","8","1","4","5","1") = "8"
    & skf18("3","9","8","1","4","6","1") = "8"
    & skf18("3","9","8","1","4","7","1") = "8"
    & skf18("3","9","8","1","4","8","1") = "8"
    & skf18("3","9","8","1","4","9","1") = "8"
    & skf18("3","9","8","1","4","10","1") = "9"
    & skf18("3","9","8","1","5","1","1") = "8"
    & skf18("3","9","8","1","5","2","1") = "8"
    & skf18("3","9","8","1","5","3","1") = "8"
    & skf18("3","9","8","1","5","4","1") = "8"
    & skf18("3","9","8","1","5","5","1") = "8"
    & skf18("3","9","8","1","5","6","1") = "8"
    & skf18("3","9","8","1","5","7","1") = "8"
    & skf18("3","9","8","1","5","8","1") = "8"
    & skf18("3","9","8","1","5","9","1") = "8"
    & skf18("3","9","8","1","5","10","1") = "9"
    & skf18("3","9","8","1","6","1","1") = "8"
    & skf18("3","9","8","1","6","2","1") = "8"
    & skf18("3","9","8","1","6","3","1") = "8"
    & skf18("3","9","8","1","6","4","1") = "8"
    & skf18("3","9","8","1","6","5","1") = "8"
    & skf18("3","9","8","1","6","6","1") = "8"
    & skf18("3","9","8","1","6","7","1") = "8"
    & skf18("3","9","8","1","6","8","1") = "8"
    & skf18("3","9","8","1","6","9","1") = "8"
    & skf18("3","9","8","1","6","10","1") = "9"
    & skf18("3","9","8","1","7","1","1") = "8"
    & skf18("3","9","8","1","7","2","1") = "8"
    & skf18("3","9","8","1","7","3","1") = "8"
    & skf18("3","9","8","1","7","4","1") = "8"
    & skf18("3","9","8","1","7","5","1") = "8"
    & skf18("3","9","8","1","7","6","1") = "8"
    & skf18("3","9","8","1","7","7","1") = "8"
    & skf18("3","9","8","1","7","8","1") = "8"
    & skf18("3","9","8","1","7","9","1") = "8"
    & skf18("3","9","8","1","7","10","1") = "9"
    & skf18("3","9","8","1","8","1","1") = "8"
    & skf18("3","9","8","1","8","2","1") = "8"
    & skf18("3","9","8","1","8","3","1") = "8"
    & skf18("3","9","8","1","8","4","1") = "8"
    & skf18("3","9","8","1","8","5","1") = "8"
    & skf18("3","9","8","1","8","6","1") = "8"
    & skf18("3","9","8","1","8","7","1") = "8"
    & skf18("3","9","8","1","8","8","1") = "8"
    & skf18("3","9","8","1","8","9","1") = "8"
    & skf18("3","9","8","1","8","10","1") = "9"
    & skf18("3","9","8","1","9","1","1") = "8"
    & skf18("3","9","8","1","9","2","1") = "8"
    & skf18("3","9","8","1","9","3","1") = "8"
    & skf18("3","9","8","1","9","4","1") = "8"
    & skf18("3","9","8","1","9","5","1") = "8"
    & skf18("3","9","8","1","9","6","1") = "8"
    & skf18("3","9","8","1","9","7","1") = "8"
    & skf18("3","9","8","1","9","8","1") = "8"
    & skf18("3","9","8","1","9","9","1") = "8"
    & skf18("3","9","8","1","9","10","1") = "9"
    & skf18("3","9","8","1","10","1","1") = "9"
    & skf18("3","9","8","1","10","2","1") = "9"
    & skf18("3","9","8","1","10","3","1") = "9"
    & skf18("3","9","8","1","10","4","1") = "9"
    & skf18("3","9","8","1","10","5","1") = "9"
    & skf18("3","9","8","1","10","6","1") = "9"
    & skf18("3","9","8","1","10","7","1") = "9"
    & skf18("3","9","8","1","10","8","1") = "9"
    & skf18("3","9","8","1","10","9","1") = "9"
    & skf18("3","9","8","1","10","10","1") = "9"
    & skf18("3","9","8","2","1","1","1") = "8"
    & skf18("3","9","8","2","1","2","1") = "8"
    & skf18("3","9","8","2","1","3","1") = "8"
    & skf18("3","9","8","2","1","4","1") = "8"
    & skf18("3","9","8","2","1","5","1") = "8"
    & skf18("3","9","8","2","1","6","1") = "8"
    & skf18("3","9","8","2","1","7","1") = "8"
    & skf18("3","9","8","2","1","8","1") = "8"
    & skf18("3","9","8","2","1","9","1") = "8"
    & skf18("3","9","8","2","1","10","1") = "9"
    & skf18("3","9","8","2","2","1","1") = "8"
    & skf18("3","9","8","2","2","2","1") = "8"
    & skf18("3","9","8","2","2","3","1") = "8"
    & skf18("3","9","8","2","2","4","1") = "8"
    & skf18("3","9","8","2","2","5","1") = "8"
    & skf18("3","9","8","2","2","6","1") = "8"
    & skf18("3","9","8","2","2","7","1") = "8"
    & skf18("3","9","8","2","2","8","1") = "8"
    & skf18("3","9","8","2","2","9","1") = "8"
    & skf18("3","9","8","2","2","10","1") = "9"
    & skf18("3","9","8","2","3","1","1") = "8"
    & skf18("3","9","8","2","3","2","1") = "8"
    & skf18("3","9","8","2","3","3","1") = "8"
    & skf18("3","9","8","2","3","4","1") = "8"
    & skf18("3","9","8","2","3","5","1") = "8"
    & skf18("3","9","8","2","3","6","1") = "8"
    & skf18("3","9","8","2","3","7","1") = "8"
    & skf18("3","9","8","2","3","8","1") = "8"
    & skf18("3","9","8","2","3","9","1") = "8"
    & skf18("3","9","8","2","3","10","1") = "9"
    & skf18("3","9","8","2","4","1","1") = "8"
    & skf18("3","9","8","2","4","2","1") = "8"
    & skf18("3","9","8","2","4","3","1") = "8"
    & skf18("3","9","8","2","4","4","1") = "8"
    & skf18("3","9","8","2","4","5","1") = "8"
    & skf18("3","9","8","2","4","6","1") = "8"
    & skf18("3","9","8","2","4","7","1") = "8"
    & skf18("3","9","8","2","4","8","1") = "8"
    & skf18("3","9","8","2","4","9","1") = "8"
    & skf18("3","9","8","2","4","10","1") = "9"
    & skf18("3","9","8","2","5","1","1") = "8"
    & skf18("3","9","8","2","5","2","1") = "8"
    & skf18("3","9","8","2","5","3","1") = "8"
    & skf18("3","9","8","2","5","4","1") = "8"
    & skf18("3","9","8","2","5","5","1") = "8"
    & skf18("3","9","8","2","5","6","1") = "8"
    & skf18("3","9","8","2","5","7","1") = "8"
    & skf18("3","9","8","2","5","8","1") = "8"
    & skf18("3","9","8","2","5","9","1") = "8"
    & skf18("3","9","8","2","5","10","1") = "9"
    & skf18("3","9","8","2","6","1","1") = "8"
    & skf18("3","9","8","2","6","2","1") = "8"
    & skf18("3","9","8","2","6","3","1") = "8"
    & skf18("3","9","8","2","6","4","1") = "8"
    & skf18("3","9","8","2","6","5","1") = "8"
    & skf18("3","9","8","2","6","6","1") = "8"
    & skf18("3","9","8","2","6","7","1") = "8"
    & skf18("3","9","8","2","6","8","1") = "8"
    & skf18("3","9","8","2","6","9","1") = "8"
    & skf18("3","9","8","2","6","10","1") = "9"
    & skf18("3","9","8","2","7","1","1") = "8"
    & skf18("3","9","8","2","7","2","1") = "8"
    & skf18("3","9","8","2","7","3","1") = "8"
    & skf18("3","9","8","2","7","4","1") = "8"
    & skf18("3","9","8","2","7","5","1") = "8"
    & skf18("3","9","8","2","7","6","1") = "8"
    & skf18("3","9","8","2","7","7","1") = "8"
    & skf18("3","9","8","2","7","8","1") = "8"
    & skf18("3","9","8","2","7","9","1") = "8"
    & skf18("3","9","8","2","7","10","1") = "9"
    & skf18("3","9","8","2","8","1","1") = "8"
    & skf18("3","9","8","2","8","2","1") = "8"
    & skf18("3","9","8","2","8","3","1") = "8"
    & skf18("3","9","8","2","8","4","1") = "8"
    & skf18("3","9","8","2","8","5","1") = "8"
    & skf18("3","9","8","2","8","6","1") = "8"
    & skf18("3","9","8","2","8","7","1") = "8"
    & skf18("3","9","8","2","8","8","1") = "8"
    & skf18("3","9","8","2","8","9","1") = "8"
    & skf18("3","9","8","2","8","10","1") = "9"
    & skf18("3","9","8","2","9","1","1") = "8"
    & skf18("3","9","8","2","9","2","1") = "8"
    & skf18("3","9","8","2","9","3","1") = "8"
    & skf18("3","9","8","2","9","4","1") = "8"
    & skf18("3","9","8","2","9","5","1") = "8"
    & skf18("3","9","8","2","9","6","1") = "8"
    & skf18("3","9","8","2","9","7","1") = "8"
    & skf18("3","9","8","2","9","8","1") = "8"
    & skf18("3","9","8","2","9","9","1") = "8"
    & skf18("3","9","8","2","9","10","1") = "9"
    & skf18("3","9","8","2","10","1","1") = "9"
    & skf18("3","9","8","2","10","2","1") = "9"
    & skf18("3","9","8","2","10","3","1") = "9"
    & skf18("3","9","8","2","10","4","1") = "9"
    & skf18("3","9","8","2","10","5","1") = "9"
    & skf18("3","9","8","2","10","6","1") = "9"
    & skf18("3","9","8","2","10","7","1") = "9"
    & skf18("3","9","8","2","10","8","1") = "9"
    & skf18("3","9","8","2","10","9","1") = "9"
    & skf18("3","9","8","2","10","10","1") = "9"
    & skf18("3","9","8","3","1","1","1") = "8"
    & skf18("3","9","8","3","1","2","1") = "8"
    & skf18("3","9","8","3","1","3","1") = "8"
    & skf18("3","9","8","3","1","4","1") = "8"
    & skf18("3","9","8","3","1","5","1") = "8"
    & skf18("3","9","8","3","1","6","1") = "8"
    & skf18("3","9","8","3","1","7","1") = "8"
    & skf18("3","9","8","3","1","8","1") = "8"
    & skf18("3","9","8","3","1","9","1") = "8"
    & skf18("3","9","8","3","1","10","1") = "9"
    & skf18("3","9","8","3","2","1","1") = "8"
    & skf18("3","9","8","3","2","2","1") = "8"
    & skf18("3","9","8","3","2","3","1") = "8"
    & skf18("3","9","8","3","2","4","1") = "8"
    & skf18("3","9","8","3","2","5","1") = "8"
    & skf18("3","9","8","3","2","6","1") = "8"
    & skf18("3","9","8","3","2","7","1") = "8"
    & skf18("3","9","8","3","2","8","1") = "8"
    & skf18("3","9","8","3","2","9","1") = "8"
    & skf18("3","9","8","3","2","10","1") = "9"
    & skf18("3","9","8","3","3","1","1") = "8"
    & skf18("3","9","8","3","3","2","1") = "8"
    & skf18("3","9","8","3","3","3","1") = "8"
    & skf18("3","9","8","3","3","4","1") = "8"
    & skf18("3","9","8","3","3","5","1") = "8"
    & skf18("3","9","8","3","3","6","1") = "8"
    & skf18("3","9","8","3","3","7","1") = "8"
    & skf18("3","9","8","3","3","8","1") = "8"
    & skf18("3","9","8","3","3","9","1") = "8"
    & skf18("3","9","8","3","3","10","1") = "9"
    & skf18("3","9","8","3","4","1","1") = "8"
    & skf18("3","9","8","3","4","2","1") = "8"
    & skf18("3","9","8","3","4","3","1") = "8"
    & skf18("3","9","8","3","4","4","1") = "8"
    & skf18("3","9","8","3","4","5","1") = "8"
    & skf18("3","9","8","3","4","6","1") = "8"
    & skf18("3","9","8","3","4","7","1") = "8"
    & skf18("3","9","8","3","4","8","1") = "8"
    & skf18("3","9","8","3","4","9","1") = "8"
    & skf18("3","9","8","3","4","10","1") = "9"
    & skf18("3","9","8","3","5","1","1") = "8"
    & skf18("3","9","8","3","5","2","1") = "8"
    & skf18("3","9","8","3","5","3","1") = "8"
    & skf18("3","9","8","3","5","4","1") = "8"
    & skf18("3","9","8","3","5","5","1") = "8"
    & skf18("3","9","8","3","5","6","1") = "8"
    & skf18("3","9","8","3","5","7","1") = "8"
    & skf18("3","9","8","3","5","8","1") = "8"
    & skf18("3","9","8","3","5","9","1") = "8"
    & skf18("3","9","8","3","5","10","1") = "9"
    & skf18("3","9","8","3","6","1","1") = "8"
    & skf18("3","9","8","3","6","2","1") = "8"
    & skf18("3","9","8","3","6","3","1") = "8"
    & skf18("3","9","8","3","6","4","1") = "8"
    & skf18("3","9","8","3","6","5","1") = "8"
    & skf18("3","9","8","3","6","6","1") = "8"
    & skf18("3","9","8","3","6","7","1") = "8"
    & skf18("3","9","8","3","6","8","1") = "8"
    & skf18("3","9","8","3","6","9","1") = "8"
    & skf18("3","9","8","3","6","10","1") = "9"
    & skf18("3","9","8","3","7","1","1") = "8"
    & skf18("3","9","8","3","7","2","1") = "8"
    & skf18("3","9","8","3","7","3","1") = "8"
    & skf18("3","9","8","3","7","4","1") = "8"
    & skf18("3","9","8","3","7","5","1") = "8"
    & skf18("3","9","8","3","7","6","1") = "8"
    & skf18("3","9","8","3","7","7","1") = "8"
    & skf18("3","9","8","3","7","8","1") = "8"
    & skf18("3","9","8","3","7","9","1") = "8"
    & skf18("3","9","8","3","7","10","1") = "9"
    & skf18("3","9","8","3","8","1","1") = "8"
    & skf18("3","9","8","3","8","2","1") = "8"
    & skf18("3","9","8","3","8","3","1") = "8"
    & skf18("3","9","8","3","8","4","1") = "8"
    & skf18("3","9","8","3","8","5","1") = "8"
    & skf18("3","9","8","3","8","6","1") = "8"
    & skf18("3","9","8","3","8","7","1") = "8"
    & skf18("3","9","8","3","8","8","1") = "8"
    & skf18("3","9","8","3","8","9","1") = "8"
    & skf18("3","9","8","3","8","10","1") = "9"
    & skf18("3","9","8","3","9","1","1") = "8"
    & skf18("3","9","8","3","9","2","1") = "8"
    & skf18("3","9","8","3","9","3","1") = "8"
    & skf18("3","9","8","3","9","4","1") = "8"
    & skf18("3","9","8","3","9","5","1") = "8"
    & skf18("3","9","8","3","9","6","1") = "8"
    & skf18("3","9","8","3","9","7","1") = "8"
    & skf18("3","9","8","3","9","8","1") = "8"
    & skf18("3","9","8","3","9","9","1") = "8"
    & skf18("3","9","8","3","9","10","1") = "9"
    & skf18("3","9","8","3","10","1","1") = "9"
    & skf18("3","9","8","3","10","2","1") = "9"
    & skf18("3","9","8","3","10","3","1") = "9"
    & skf18("3","9","8","3","10","4","1") = "9"
    & skf18("3","9","8","3","10","5","1") = "9"
    & skf18("3","9","8","3","10","6","1") = "9"
    & skf18("3","9","8","3","10","7","1") = "9"
    & skf18("3","9","8","3","10","8","1") = "9"
    & skf18("3","9","8","3","10","9","1") = "9"
    & skf18("3","9","8","3","10","10","1") = "9"
    & skf18("3","9","8","4","1","1","1") = "8"
    & skf18("3","9","8","4","1","2","1") = "8"
    & skf18("3","9","8","4","1","3","1") = "8"
    & skf18("3","9","8","4","1","4","1") = "8"
    & skf18("3","9","8","4","1","5","1") = "8"
    & skf18("3","9","8","4","1","6","1") = "8"
    & skf18("3","9","8","4","1","7","1") = "8"
    & skf18("3","9","8","4","1","8","1") = "8"
    & skf18("3","9","8","4","1","9","1") = "8"
    & skf18("3","9","8","4","1","10","1") = "9"
    & skf18("3","9","8","4","2","1","1") = "8"
    & skf18("3","9","8","4","2","2","1") = "8"
    & skf18("3","9","8","4","2","3","1") = "8"
    & skf18("3","9","8","4","2","4","1") = "8"
    & skf18("3","9","8","4","2","5","1") = "8"
    & skf18("3","9","8","4","2","6","1") = "8"
    & skf18("3","9","8","4","2","7","1") = "8"
    & skf18("3","9","8","4","2","8","1") = "8"
    & skf18("3","9","8","4","2","9","1") = "8"
    & skf18("3","9","8","4","2","10","1") = "9"
    & skf18("3","9","8","4","3","1","1") = "8"
    & skf18("3","9","8","4","3","2","1") = "8"
    & skf18("3","9","8","4","3","3","1") = "8"
    & skf18("3","9","8","4","3","4","1") = "8"
    & skf18("3","9","8","4","3","5","1") = "8"
    & skf18("3","9","8","4","3","6","1") = "8"
    & skf18("3","9","8","4","3","7","1") = "8"
    & skf18("3","9","8","4","3","8","1") = "8"
    & skf18("3","9","8","4","3","9","1") = "8"
    & skf18("3","9","8","4","3","10","1") = "9"
    & skf18("3","9","8","4","4","1","1") = "8"
    & skf18("3","9","8","4","4","2","1") = "8"
    & skf18("3","9","8","4","4","3","1") = "8"
    & skf18("3","9","8","4","4","4","1") = "8"
    & skf18("3","9","8","4","4","5","1") = "8"
    & skf18("3","9","8","4","4","6","1") = "8"
    & skf18("3","9","8","4","4","7","1") = "8"
    & skf18("3","9","8","4","4","8","1") = "8"
    & skf18("3","9","8","4","4","9","1") = "8"
    & skf18("3","9","8","4","4","10","1") = "9"
    & skf18("3","9","8","4","5","1","1") = "8"
    & skf18("3","9","8","4","5","2","1") = "8"
    & skf18("3","9","8","4","5","3","1") = "8"
    & skf18("3","9","8","4","5","4","1") = "8"
    & skf18("3","9","8","4","5","5","1") = "8"
    & skf18("3","9","8","4","5","6","1") = "8"
    & skf18("3","9","8","4","5","7","1") = "8"
    & skf18("3","9","8","4","5","8","1") = "8"
    & skf18("3","9","8","4","5","9","1") = "8"
    & skf18("3","9","8","4","5","10","1") = "9"
    & skf18("3","9","8","4","6","1","1") = "8"
    & skf18("3","9","8","4","6","2","1") = "8"
    & skf18("3","9","8","4","6","3","1") = "8"
    & skf18("3","9","8","4","6","4","1") = "8"
    & skf18("3","9","8","4","6","5","1") = "8"
    & skf18("3","9","8","4","6","6","1") = "8"
    & skf18("3","9","8","4","6","7","1") = "8"
    & skf18("3","9","8","4","6","8","1") = "8"
    & skf18("3","9","8","4","6","9","1") = "8"
    & skf18("3","9","8","4","6","10","1") = "9"
    & skf18("3","9","8","4","7","1","1") = "8"
    & skf18("3","9","8","4","7","2","1") = "8"
    & skf18("3","9","8","4","7","3","1") = "8"
    & skf18("3","9","8","4","7","4","1") = "8"
    & skf18("3","9","8","4","7","5","1") = "8"
    & skf18("3","9","8","4","7","6","1") = "8"
    & skf18("3","9","8","4","7","7","1") = "8"
    & skf18("3","9","8","4","7","8","1") = "8"
    & skf18("3","9","8","4","7","9","1") = "8"
    & skf18("3","9","8","4","7","10","1") = "9"
    & skf18("3","9","8","4","8","1","1") = "8"
    & skf18("3","9","8","4","8","2","1") = "8"
    & skf18("3","9","8","4","8","3","1") = "8"
    & skf18("3","9","8","4","8","4","1") = "8"
    & skf18("3","9","8","4","8","5","1") = "8"
    & skf18("3","9","8","4","8","6","1") = "8"
    & skf18("3","9","8","4","8","7","1") = "8"
    & skf18("3","9","8","4","8","8","1") = "8"
    & skf18("3","9","8","4","8","9","1") = "8"
    & skf18("3","9","8","4","8","10","1") = "9"
    & skf18("3","9","8","4","9","1","1") = "8"
    & skf18("3","9","8","4","9","2","1") = "8"
    & skf18("3","9","8","4","9","3","1") = "8"
    & skf18("3","9","8","4","9","4","1") = "8"
    & skf18("3","9","8","4","9","5","1") = "8"
    & skf18("3","9","8","4","9","6","1") = "8"
    & skf18("3","9","8","4","9","7","1") = "8"
    & skf18("3","9","8","4","9","8","1") = "8"
    & skf18("3","9","8","4","9","9","1") = "8"
    & skf18("3","9","8","4","9","10","1") = "9"
    & skf18("3","9","8","4","10","1","1") = "9"
    & skf18("3","9","8","4","10","2","1") = "9"
    & skf18("3","9","8","4","10","3","1") = "9"
    & skf18("3","9","8","4","10","4","1") = "9"
    & skf18("3","9","8","4","10","5","1") = "9"
    & skf18("3","9","8","4","10","6","1") = "9"
    & skf18("3","9","8","4","10","7","1") = "9"
    & skf18("3","9","8","4","10","8","1") = "9"
    & skf18("3","9","8","4","10","9","1") = "9"
    & skf18("3","9","8","4","10","10","1") = "9"
    & skf18("3","9","8","5","1","1","1") = "8"
    & skf18("3","9","8","5","1","2","1") = "8"
    & skf18("3","9","8","5","1","3","1") = "8"
    & skf18("3","9","8","5","1","4","1") = "8"
    & skf18("3","9","8","5","1","5","1") = "8"
    & skf18("3","9","8","5","1","6","1") = "8"
    & skf18("3","9","8","5","1","7","1") = "8"
    & skf18("3","9","8","5","1","8","1") = "8"
    & skf18("3","9","8","5","1","9","1") = "8"
    & skf18("3","9","8","5","1","10","1") = "9"
    & skf18("3","9","8","5","2","1","1") = "8"
    & skf18("3","9","8","5","2","2","1") = "8"
    & skf18("3","9","8","5","2","3","1") = "8"
    & skf18("3","9","8","5","2","4","1") = "8"
    & skf18("3","9","8","5","2","5","1") = "8"
    & skf18("3","9","8","5","2","6","1") = "8"
    & skf18("3","9","8","5","2","7","1") = "8"
    & skf18("3","9","8","5","2","8","1") = "8"
    & skf18("3","9","8","5","2","9","1") = "8"
    & skf18("3","9","8","5","2","10","1") = "9"
    & skf18("3","9","8","5","3","1","1") = "8"
    & skf18("3","9","8","5","3","2","1") = "8"
    & skf18("3","9","8","5","3","3","1") = "8"
    & skf18("3","9","8","5","3","4","1") = "8"
    & skf18("3","9","8","5","3","5","1") = "8"
    & skf18("3","9","8","5","3","6","1") = "8"
    & skf18("3","9","8","5","3","7","1") = "8"
    & skf18("3","9","8","5","3","8","1") = "8"
    & skf18("3","9","8","5","3","9","1") = "8"
    & skf18("3","9","8","5","3","10","1") = "9"
    & skf18("3","9","8","5","4","1","1") = "8"
    & skf18("3","9","8","5","4","2","1") = "8"
    & skf18("3","9","8","5","4","3","1") = "8"
    & skf18("3","9","8","5","4","4","1") = "8"
    & skf18("3","9","8","5","4","5","1") = "8"
    & skf18("3","9","8","5","4","6","1") = "8"
    & skf18("3","9","8","5","4","7","1") = "8"
    & skf18("3","9","8","5","4","8","1") = "8"
    & skf18("3","9","8","5","4","9","1") = "8"
    & skf18("3","9","8","5","4","10","1") = "9"
    & skf18("3","9","8","5","5","1","1") = "8"
    & skf18("3","9","8","5","5","2","1") = "8"
    & skf18("3","9","8","5","5","3","1") = "8"
    & skf18("3","9","8","5","5","4","1") = "8"
    & skf18("3","9","8","5","5","5","1") = "8"
    & skf18("3","9","8","5","5","6","1") = "8"
    & skf18("3","9","8","5","5","7","1") = "8"
    & skf18("3","9","8","5","5","8","1") = "8"
    & skf18("3","9","8","5","5","9","1") = "8"
    & skf18("3","9","8","5","5","10","1") = "9"
    & skf18("3","9","8","5","6","1","1") = "8"
    & skf18("3","9","8","5","6","2","1") = "8"
    & skf18("3","9","8","5","6","3","1") = "8"
    & skf18("3","9","8","5","6","4","1") = "8"
    & skf18("3","9","8","5","6","5","1") = "8"
    & skf18("3","9","8","5","6","6","1") = "8"
    & skf18("3","9","8","5","6","7","1") = "8"
    & skf18("3","9","8","5","6","8","1") = "8"
    & skf18("3","9","8","5","6","9","1") = "8"
    & skf18("3","9","8","5","6","10","1") = "9"
    & skf18("3","9","8","5","7","1","1") = "8"
    & skf18("3","9","8","5","7","2","1") = "8"
    & skf18("3","9","8","5","7","3","1") = "8"
    & skf18("3","9","8","5","7","4","1") = "8"
    & skf18("3","9","8","5","7","5","1") = "8"
    & skf18("3","9","8","5","7","6","1") = "8"
    & skf18("3","9","8","5","7","7","1") = "8"
    & skf18("3","9","8","5","7","8","1") = "8"
    & skf18("3","9","8","5","7","9","1") = "8"
    & skf18("3","9","8","5","7","10","1") = "9"
    & skf18("3","9","8","5","8","1","1") = "8"
    & skf18("3","9","8","5","8","2","1") = "8"
    & skf18("3","9","8","5","8","3","1") = "8"
    & skf18("3","9","8","5","8","4","1") = "8"
    & skf18("3","9","8","5","8","5","1") = "8"
    & skf18("3","9","8","5","8","6","1") = "8"
    & skf18("3","9","8","5","8","7","1") = "8"
    & skf18("3","9","8","5","8","8","1") = "8"
    & skf18("3","9","8","5","8","9","1") = "8"
    & skf18("3","9","8","5","8","10","1") = "9"
    & skf18("3","9","8","5","9","1","1") = "8"
    & skf18("3","9","8","5","9","2","1") = "8"
    & skf18("3","9","8","5","9","3","1") = "8"
    & skf18("3","9","8","5","9","4","1") = "8"
    & skf18("3","9","8","5","9","5","1") = "8"
    & skf18("3","9","8","5","9","6","1") = "8"
    & skf18("3","9","8","5","9","7","1") = "8"
    & skf18("3","9","8","5","9","8","1") = "8"
    & skf18("3","9","8","5","9","9","1") = "8"
    & skf18("3","9","8","5","9","10","1") = "9"
    & skf18("3","9","8","5","10","1","1") = "9"
    & skf18("3","9","8","5","10","2","1") = "9"
    & skf18("3","9","8","5","10","3","1") = "9"
    & skf18("3","9","8","5","10","4","1") = "9"
    & skf18("3","9","8","5","10","5","1") = "9"
    & skf18("3","9","8","5","10","6","1") = "9"
    & skf18("3","9","8","5","10","7","1") = "9"
    & skf18("3","9","8","5","10","8","1") = "9"
    & skf18("3","9","8","5","10","9","1") = "9"
    & skf18("3","9","8","5","10","10","1") = "9"
    & skf18("3","9","8","6","1","1","1") = "8"
    & skf18("3","9","8","6","1","2","1") = "8"
    & skf18("3","9","8","6","1","3","1") = "8"
    & skf18("3","9","8","6","1","4","1") = "8"
    & skf18("3","9","8","6","1","5","1") = "8"
    & skf18("3","9","8","6","1","6","1") = "8"
    & skf18("3","9","8","6","1","7","1") = "8"
    & skf18("3","9","8","6","1","8","1") = "8"
    & skf18("3","9","8","6","1","9","1") = "8"
    & skf18("3","9","8","6","1","10","1") = "9"
    & skf18("3","9","8","6","2","1","1") = "8"
    & skf18("3","9","8","6","2","2","1") = "8"
    & skf18("3","9","8","6","2","3","1") = "8"
    & skf18("3","9","8","6","2","4","1") = "8"
    & skf18("3","9","8","6","2","5","1") = "8"
    & skf18("3","9","8","6","2","6","1") = "8"
    & skf18("3","9","8","6","2","7","1") = "8"
    & skf18("3","9","8","6","2","8","1") = "8"
    & skf18("3","9","8","6","2","9","1") = "8"
    & skf18("3","9","8","6","2","10","1") = "9"
    & skf18("3","9","8","6","3","1","1") = "8"
    & skf18("3","9","8","6","3","2","1") = "8"
    & skf18("3","9","8","6","3","3","1") = "8"
    & skf18("3","9","8","6","3","4","1") = "8"
    & skf18("3","9","8","6","3","5","1") = "8"
    & skf18("3","9","8","6","3","6","1") = "8"
    & skf18("3","9","8","6","3","7","1") = "8"
    & skf18("3","9","8","6","3","8","1") = "8"
    & skf18("3","9","8","6","3","9","1") = "8"
    & skf18("3","9","8","6","3","10","1") = "9"
    & skf18("3","9","8","6","4","1","1") = "8"
    & skf18("3","9","8","6","4","2","1") = "8"
    & skf18("3","9","8","6","4","3","1") = "8"
    & skf18("3","9","8","6","4","4","1") = "8"
    & skf18("3","9","8","6","4","5","1") = "8"
    & skf18("3","9","8","6","4","6","1") = "8"
    & skf18("3","9","8","6","4","7","1") = "8"
    & skf18("3","9","8","6","4","8","1") = "8"
    & skf18("3","9","8","6","4","9","1") = "8"
    & skf18("3","9","8","6","4","10","1") = "9"
    & skf18("3","9","8","6","5","1","1") = "8"
    & skf18("3","9","8","6","5","2","1") = "8"
    & skf18("3","9","8","6","5","3","1") = "8"
    & skf18("3","9","8","6","5","4","1") = "8"
    & skf18("3","9","8","6","5","5","1") = "8"
    & skf18("3","9","8","6","5","6","1") = "8"
    & skf18("3","9","8","6","5","7","1") = "8"
    & skf18("3","9","8","6","5","8","1") = "8"
    & skf18("3","9","8","6","5","9","1") = "8"
    & skf18("3","9","8","6","5","10","1") = "9"
    & skf18("3","9","8","6","6","1","1") = "8"
    & skf18("3","9","8","6","6","2","1") = "8"
    & skf18("3","9","8","6","6","3","1") = "8"
    & skf18("3","9","8","6","6","4","1") = "8"
    & skf18("3","9","8","6","6","5","1") = "8"
    & skf18("3","9","8","6","6","6","1") = "8"
    & skf18("3","9","8","6","6","7","1") = "8"
    & skf18("3","9","8","6","6","8","1") = "8"
    & skf18("3","9","8","6","6","9","1") = "8"
    & skf18("3","9","8","6","6","10","1") = "9"
    & skf18("3","9","8","6","7","1","1") = "8"
    & skf18("3","9","8","6","7","2","1") = "8"
    & skf18("3","9","8","6","7","3","1") = "8"
    & skf18("3","9","8","6","7","4","1") = "8"
    & skf18("3","9","8","6","7","5","1") = "8"
    & skf18("3","9","8","6","7","6","1") = "8"
    & skf18("3","9","8","6","7","7","1") = "8"
    & skf18("3","9","8","6","7","8","1") = "8"
    & skf18("3","9","8","6","7","9","1") = "8"
    & skf18("3","9","8","6","7","10","1") = "9"
    & skf18("3","9","8","6","8","1","1") = "8"
    & skf18("3","9","8","6","8","2","1") = "8"
    & skf18("3","9","8","6","8","3","1") = "8"
    & skf18("3","9","8","6","8","4","1") = "8"
    & skf18("3","9","8","6","8","5","1") = "8"
    & skf18("3","9","8","6","8","6","1") = "8"
    & skf18("3","9","8","6","8","7","1") = "8"
    & skf18("3","9","8","6","8","8","1") = "8"
    & skf18("3","9","8","6","8","9","1") = "8"
    & skf18("3","9","8","6","8","10","1") = "9"
    & skf18("3","9","8","6","9","1","1") = "8"
    & skf18("3","9","8","6","9","2","1") = "8"
    & skf18("3","9","8","6","9","3","1") = "8"
    & skf18("3","9","8","6","9","4","1") = "8"
    & skf18("3","9","8","6","9","5","1") = "8"
    & skf18("3","9","8","6","9","6","1") = "8"
    & skf18("3","9","8","6","9","7","1") = "8"
    & skf18("3","9","8","6","9","8","1") = "8"
    & skf18("3","9","8","6","9","9","1") = "8"
    & skf18("3","9","8","6","9","10","1") = "9"
    & skf18("3","9","8","6","10","1","1") = "9"
    & skf18("3","9","8","6","10","2","1") = "9"
    & skf18("3","9","8","6","10","3","1") = "9"
    & skf18("3","9","8","6","10","4","1") = "9"
    & skf18("3","9","8","6","10","5","1") = "9"
    & skf18("3","9","8","6","10","6","1") = "9"
    & skf18("3","9","8","6","10","7","1") = "9"
    & skf18("3","9","8","6","10","8","1") = "9"
    & skf18("3","9","8","6","10","9","1") = "9"
    & skf18("3","9","8","6","10","10","1") = "9"
    & skf18("3","9","8","7","1","1","1") = "8"
    & skf18("3","9","8","7","1","2","1") = "8"
    & skf18("3","9","8","7","1","3","1") = "8"
    & skf18("3","9","8","7","1","4","1") = "8"
    & skf18("3","9","8","7","1","5","1") = "8"
    & skf18("3","9","8","7","1","6","1") = "8"
    & skf18("3","9","8","7","1","7","1") = "8"
    & skf18("3","9","8","7","1","8","1") = "8"
    & skf18("3","9","8","7","1","9","1") = "8"
    & skf18("3","9","8","7","1","10","1") = "9"
    & skf18("3","9","8","7","2","1","1") = "8"
    & skf18("3","9","8","7","2","2","1") = "8"
    & skf18("3","9","8","7","2","3","1") = "8"
    & skf18("3","9","8","7","2","4","1") = "8"
    & skf18("3","9","8","7","2","5","1") = "8"
    & skf18("3","9","8","7","2","6","1") = "8"
    & skf18("3","9","8","7","2","7","1") = "8"
    & skf18("3","9","8","7","2","8","1") = "8"
    & skf18("3","9","8","7","2","9","1") = "8"
    & skf18("3","9","8","7","2","10","1") = "9"
    & skf18("3","9","8","7","3","1","1") = "8"
    & skf18("3","9","8","7","3","2","1") = "8"
    & skf18("3","9","8","7","3","3","1") = "8"
    & skf18("3","9","8","7","3","4","1") = "8"
    & skf18("3","9","8","7","3","5","1") = "8"
    & skf18("3","9","8","7","3","6","1") = "8"
    & skf18("3","9","8","7","3","7","1") = "8"
    & skf18("3","9","8","7","3","8","1") = "8"
    & skf18("3","9","8","7","3","9","1") = "8"
    & skf18("3","9","8","7","3","10","1") = "9"
    & skf18("3","9","8","7","4","1","1") = "8"
    & skf18("3","9","8","7","4","2","1") = "8"
    & skf18("3","9","8","7","4","3","1") = "8"
    & skf18("3","9","8","7","4","4","1") = "8"
    & skf18("3","9","8","7","4","5","1") = "8"
    & skf18("3","9","8","7","4","6","1") = "8"
    & skf18("3","9","8","7","4","7","1") = "8"
    & skf18("3","9","8","7","4","8","1") = "8"
    & skf18("3","9","8","7","4","9","1") = "8"
    & skf18("3","9","8","7","4","10","1") = "9"
    & skf18("3","9","8","7","5","1","1") = "8"
    & skf18("3","9","8","7","5","2","1") = "8"
    & skf18("3","9","8","7","5","3","1") = "8"
    & skf18("3","9","8","7","5","4","1") = "8"
    & skf18("3","9","8","7","5","5","1") = "8"
    & skf18("3","9","8","7","5","6","1") = "8"
    & skf18("3","9","8","7","5","7","1") = "8"
    & skf18("3","9","8","7","5","8","1") = "8"
    & skf18("3","9","8","7","5","9","1") = "8"
    & skf18("3","9","8","7","5","10","1") = "9"
    & skf18("3","9","8","7","6","1","1") = "8"
    & skf18("3","9","8","7","6","2","1") = "8"
    & skf18("3","9","8","7","6","3","1") = "8"
    & skf18("3","9","8","7","6","4","1") = "8"
    & skf18("3","9","8","7","6","5","1") = "8"
    & skf18("3","9","8","7","6","6","1") = "8"
    & skf18("3","9","8","7","6","7","1") = "8"
    & skf18("3","9","8","7","6","8","1") = "8"
    & skf18("3","9","8","7","6","9","1") = "8"
    & skf18("3","9","8","7","6","10","1") = "9"
    & skf18("3","9","8","7","7","1","1") = "8"
    & skf18("3","9","8","7","7","2","1") = "8"
    & skf18("3","9","8","7","7","3","1") = "8"
    & skf18("3","9","8","7","7","4","1") = "8"
    & skf18("3","9","8","7","7","5","1") = "8"
    & skf18("3","9","8","7","7","6","1") = "8"
    & skf18("3","9","8","7","7","7","1") = "8"
    & skf18("3","9","8","7","7","8","1") = "8"
    & skf18("3","9","8","7","7","9","1") = "8"
    & skf18("3","9","8","7","7","10","1") = "9"
    & skf18("3","9","8","7","8","1","1") = "8"
    & skf18("3","9","8","7","8","2","1") = "8"
    & skf18("3","9","8","7","8","3","1") = "8"
    & skf18("3","9","8","7","8","4","1") = "8"
    & skf18("3","9","8","7","8","5","1") = "8"
    & skf18("3","9","8","7","8","6","1") = "8"
    & skf18("3","9","8","7","8","7","1") = "8"
    & skf18("3","9","8","7","8","8","1") = "8"
    & skf18("3","9","8","7","8","9","1") = "8"
    & skf18("3","9","8","7","8","10","1") = "9"
    & skf18("3","9","8","7","9","1","1") = "8"
    & skf18("3","9","8","7","9","2","1") = "8"
    & skf18("3","9","8","7","9","3","1") = "8"
    & skf18("3","9","8","7","9","4","1") = "8"
    & skf18("3","9","8","7","9","5","1") = "8"
    & skf18("3","9","8","7","9","6","1") = "8"
    & skf18("3","9","8","7","9","7","1") = "8"
    & skf18("3","9","8","7","9","8","1") = "8"
    & skf18("3","9","8","7","9","9","1") = "8"
    & skf18("3","9","8","7","9","10","1") = "9"
    & skf18("3","9","8","7","10","1","1") = "9"
    & skf18("3","9","8","7","10","2","1") = "9"
    & skf18("3","9","8","7","10","3","1") = "9"
    & skf18("3","9","8","7","10","4","1") = "9"
    & skf18("3","9","8","7","10","5","1") = "9"
    & skf18("3","9","8","7","10","6","1") = "9"
    & skf18("3","9","8","7","10","7","1") = "9"
    & skf18("3","9","8","7","10","8","1") = "9"
    & skf18("3","9","8","7","10","9","1") = "9"
    & skf18("3","9","8","7","10","10","1") = "9"
    & skf18("3","9","8","8","1","1","1") = "8"
    & skf18("3","9","8","8","1","2","1") = "8"
    & skf18("3","9","8","8","1","3","1") = "8"
    & skf18("3","9","8","8","1","4","1") = "8"
    & skf18("3","9","8","8","1","5","1") = "8"
    & skf18("3","9","8","8","1","6","1") = "8"
    & skf18("3","9","8","8","1","7","1") = "8"
    & skf18("3","9","8","8","1","8","1") = "8"
    & skf18("3","9","8","8","1","9","1") = "8"
    & skf18("3","9","8","8","1","10","1") = "9"
    & skf18("3","9","8","8","2","1","1") = "8"
    & skf18("3","9","8","8","2","2","1") = "8"
    & skf18("3","9","8","8","2","3","1") = "8"
    & skf18("3","9","8","8","2","4","1") = "8"
    & skf18("3","9","8","8","2","5","1") = "8"
    & skf18("3","9","8","8","2","6","1") = "8"
    & skf18("3","9","8","8","2","7","1") = "8"
    & skf18("3","9","8","8","2","8","1") = "8"
    & skf18("3","9","8","8","2","9","1") = "8"
    & skf18("3","9","8","8","2","10","1") = "9"
    & skf18("3","9","8","8","3","1","1") = "8"
    & skf18("3","9","8","8","3","2","1") = "8"
    & skf18("3","9","8","8","3","3","1") = "8"
    & skf18("3","9","8","8","3","4","1") = "8"
    & skf18("3","9","8","8","3","5","1") = "8"
    & skf18("3","9","8","8","3","6","1") = "8"
    & skf18("3","9","8","8","3","7","1") = "8"
    & skf18("3","9","8","8","3","8","1") = "8"
    & skf18("3","9","8","8","3","9","1") = "8"
    & skf18("3","9","8","8","3","10","1") = "9"
    & skf18("3","9","8","8","4","1","1") = "8"
    & skf18("3","9","8","8","4","2","1") = "8"
    & skf18("3","9","8","8","4","3","1") = "8"
    & skf18("3","9","8","8","4","4","1") = "8"
    & skf18("3","9","8","8","4","5","1") = "8"
    & skf18("3","9","8","8","4","6","1") = "8"
    & skf18("3","9","8","8","4","7","1") = "8"
    & skf18("3","9","8","8","4","8","1") = "8"
    & skf18("3","9","8","8","4","9","1") = "8"
    & skf18("3","9","8","8","4","10","1") = "9"
    & skf18("3","9","8","8","5","1","1") = "8"
    & skf18("3","9","8","8","5","2","1") = "8"
    & skf18("3","9","8","8","5","3","1") = "8"
    & skf18("3","9","8","8","5","4","1") = "8"
    & skf18("3","9","8","8","5","5","1") = "8"
    & skf18("3","9","8","8","5","6","1") = "8"
    & skf18("3","9","8","8","5","7","1") = "8"
    & skf18("3","9","8","8","5","8","1") = "8"
    & skf18("3","9","8","8","5","9","1") = "8"
    & skf18("3","9","8","8","5","10","1") = "9"
    & skf18("3","9","8","8","6","1","1") = "8"
    & skf18("3","9","8","8","6","2","1") = "8"
    & skf18("3","9","8","8","6","3","1") = "8"
    & skf18("3","9","8","8","6","4","1") = "8"
    & skf18("3","9","8","8","6","5","1") = "8"
    & skf18("3","9","8","8","6","6","1") = "8"
    & skf18("3","9","8","8","6","7","1") = "8"
    & skf18("3","9","8","8","6","8","1") = "8"
    & skf18("3","9","8","8","6","9","1") = "8"
    & skf18("3","9","8","8","6","10","1") = "9"
    & skf18("3","9","8","8","7","1","1") = "8"
    & skf18("3","9","8","8","7","2","1") = "8"
    & skf18("3","9","8","8","7","3","1") = "8"
    & skf18("3","9","8","8","7","4","1") = "8"
    & skf18("3","9","8","8","7","5","1") = "8"
    & skf18("3","9","8","8","7","6","1") = "8"
    & skf18("3","9","8","8","7","7","1") = "8"
    & skf18("3","9","8","8","7","8","1") = "8"
    & skf18("3","9","8","8","7","9","1") = "8"
    & skf18("3","9","8","8","7","10","1") = "9"
    & skf18("3","9","8","8","8","1","1") = "8"
    & skf18("3","9","8","8","8","2","1") = "8"
    & skf18("3","9","8","8","8","3","1") = "8"
    & skf18("3","9","8","8","8","4","1") = "8"
    & skf18("3","9","8","8","8","5","1") = "8"
    & skf18("3","9","8","8","8","6","1") = "8"
    & skf18("3","9","8","8","8","7","1") = "8"
    & skf18("3","9","8","8","8","8","1") = "8"
    & skf18("3","9","8","8","8","9","1") = "8"
    & skf18("3","9","8","8","8","10","1") = "9"
    & skf18("3","9","8","8","9","1","1") = "8"
    & skf18("3","9","8","8","9","2","1") = "8"
    & skf18("3","9","8","8","9","3","1") = "8"
    & skf18("3","9","8","8","9","4","1") = "8"
    & skf18("3","9","8","8","9","5","1") = "8"
    & skf18("3","9","8","8","9","6","1") = "8"
    & skf18("3","9","8","8","9","7","1") = "8"
    & skf18("3","9","8","8","9","8","1") = "8"
    & skf18("3","9","8","8","9","9","1") = "8"
    & skf18("3","9","8","8","9","10","1") = "9"
    & skf18("3","9","8","8","10","1","1") = "9"
    & skf18("3","9","8","8","10","2","1") = "9"
    & skf18("3","9","8","8","10","3","1") = "9"
    & skf18("3","9","8","8","10","4","1") = "9"
    & skf18("3","9","8","8","10","5","1") = "9"
    & skf18("3","9","8","8","10","6","1") = "9"
    & skf18("3","9","8","8","10","7","1") = "9"
    & skf18("3","9","8","8","10","8","1") = "9"
    & skf18("3","9","8","8","10","9","1") = "9"
    & skf18("3","9","8","8","10","10","1") = "9"
    & skf18("3","9","8","9","1","1","1") = "8"
    & skf18("3","9","8","9","1","2","1") = "8"
    & skf18("3","9","8","9","1","3","1") = "8"
    & skf18("3","9","8","9","1","4","1") = "8"
    & skf18("3","9","8","9","1","5","1") = "8"
    & skf18("3","9","8","9","1","6","1") = "8"
    & skf18("3","9","8","9","1","7","1") = "8"
    & skf18("3","9","8","9","1","8","1") = "8"
    & skf18("3","9","8","9","1","9","1") = "8"
    & skf18("3","9","8","9","1","10","1") = "9"
    & skf18("3","9","8","9","2","1","1") = "8"
    & skf18("3","9","8","9","2","2","1") = "8"
    & skf18("3","9","8","9","2","3","1") = "8"
    & skf18("3","9","8","9","2","4","1") = "8"
    & skf18("3","9","8","9","2","5","1") = "8"
    & skf18("3","9","8","9","2","6","1") = "8"
    & skf18("3","9","8","9","2","7","1") = "8"
    & skf18("3","9","8","9","2","8","1") = "8"
    & skf18("3","9","8","9","2","9","1") = "8"
    & skf18("3","9","8","9","2","10","1") = "9"
    & skf18("3","9","8","9","3","1","1") = "8"
    & skf18("3","9","8","9","3","2","1") = "8"
    & skf18("3","9","8","9","3","3","1") = "8"
    & skf18("3","9","8","9","3","4","1") = "8"
    & skf18("3","9","8","9","3","5","1") = "8"
    & skf18("3","9","8","9","3","6","1") = "8"
    & skf18("3","9","8","9","3","7","1") = "8"
    & skf18("3","9","8","9","3","8","1") = "8"
    & skf18("3","9","8","9","3","9","1") = "8"
    & skf18("3","9","8","9","3","10","1") = "9"
    & skf18("3","9","8","9","4","1","1") = "8"
    & skf18("3","9","8","9","4","2","1") = "8"
    & skf18("3","9","8","9","4","3","1") = "8"
    & skf18("3","9","8","9","4","4","1") = "8"
    & skf18("3","9","8","9","4","5","1") = "8"
    & skf18("3","9","8","9","4","6","1") = "8"
    & skf18("3","9","8","9","4","7","1") = "8"
    & skf18("3","9","8","9","4","8","1") = "8"
    & skf18("3","9","8","9","4","9","1") = "8"
    & skf18("3","9","8","9","4","10","1") = "9"
    & skf18("3","9","8","9","5","1","1") = "8"
    & skf18("3","9","8","9","5","2","1") = "8"
    & skf18("3","9","8","9","5","3","1") = "8"
    & skf18("3","9","8","9","5","4","1") = "8"
    & skf18("3","9","8","9","5","5","1") = "8"
    & skf18("3","9","8","9","5","6","1") = "8"
    & skf18("3","9","8","9","5","7","1") = "8"
    & skf18("3","9","8","9","5","8","1") = "8"
    & skf18("3","9","8","9","5","9","1") = "8"
    & skf18("3","9","8","9","5","10","1") = "9"
    & skf18("3","9","8","9","6","1","1") = "8"
    & skf18("3","9","8","9","6","2","1") = "8"
    & skf18("3","9","8","9","6","3","1") = "8"
    & skf18("3","9","8","9","6","4","1") = "8"
    & skf18("3","9","8","9","6","5","1") = "8"
    & skf18("3","9","8","9","6","6","1") = "8"
    & skf18("3","9","8","9","6","7","1") = "8"
    & skf18("3","9","8","9","6","8","1") = "8"
    & skf18("3","9","8","9","6","9","1") = "8"
    & skf18("3","9","8","9","6","10","1") = "9"
    & skf18("3","9","8","9","7","1","1") = "8"
    & skf18("3","9","8","9","7","2","1") = "8"
    & skf18("3","9","8","9","7","3","1") = "8"
    & skf18("3","9","8","9","7","4","1") = "8"
    & skf18("3","9","8","9","7","5","1") = "8"
    & skf18("3","9","8","9","7","6","1") = "8"
    & skf18("3","9","8","9","7","7","1") = "8"
    & skf18("3","9","8","9","7","8","1") = "8"
    & skf18("3","9","8","9","7","9","1") = "8"
    & skf18("3","9","8","9","7","10","1") = "9"
    & skf18("3","9","8","9","8","1","1") = "8"
    & skf18("3","9","8","9","8","2","1") = "8"
    & skf18("3","9","8","9","8","3","1") = "8"
    & skf18("3","9","8","9","8","4","1") = "8"
    & skf18("3","9","8","9","8","5","1") = "8"
    & skf18("3","9","8","9","8","6","1") = "8"
    & skf18("3","9","8","9","8","7","1") = "8"
    & skf18("3","9","8","9","8","8","1") = "8"
    & skf18("3","9","8","9","8","9","1") = "8"
    & skf18("3","9","8","9","8","10","1") = "9"
    & skf18("3","9","8","9","9","1","1") = "8"
    & skf18("3","9","8","9","9","2","1") = "8"
    & skf18("3","9","8","9","9","3","1") = "8"
    & skf18("3","9","8","9","9","4","1") = "8"
    & skf18("3","9","8","9","9","5","1") = "8"
    & skf18("3","9","8","9","9","6","1") = "8"
    & skf18("3","9","8","9","9","7","1") = "8"
    & skf18("3","9","8","9","9","8","1") = "8"
    & skf18("3","9","8","9","9","9","1") = "8"
    & skf18("3","9","8","9","9","10","1") = "9"
    & skf18("3","9","8","9","10","1","1") = "9"
    & skf18("3","9","8","9","10","2","1") = "9"
    & skf18("3","9","8","9","10","3","1") = "9"
    & skf18("3","9","8","9","10","4","1") = "9"
    & skf18("3","9","8","9","10","5","1") = "9"
    & skf18("3","9","8","9","10","6","1") = "9"
    & skf18("3","9","8","9","10","7","1") = "9"
    & skf18("3","9","8","9","10","8","1") = "9"
    & skf18("3","9","8","9","10","9","1") = "9"
    & skf18("3","9","8","9","10","10","1") = "9"
    & skf18("3","9","8","10","1","1","1") = "9"
    & skf18("3","9","8","10","1","2","1") = "9"
    & skf18("3","9","8","10","1","3","1") = "9"
    & skf18("3","9","8","10","1","4","1") = "9"
    & skf18("3","9","8","10","1","5","1") = "9"
    & skf18("3","9","8","10","1","6","1") = "9"
    & skf18("3","9","8","10","1","7","1") = "9"
    & skf18("3","9","8","10","1","8","1") = "9"
    & skf18("3","9","8","10","1","9","1") = "9"
    & skf18("3","9","8","10","1","10","1") = "9"
    & skf18("3","9","8","10","2","1","1") = "9"
    & skf18("3","9","8","10","2","2","1") = "9"
    & skf18("3","9","8","10","2","3","1") = "9"
    & skf18("3","9","8","10","2","4","1") = "9"
    & skf18("3","9","8","10","2","5","1") = "9"
    & skf18("3","9","8","10","2","6","1") = "9"
    & skf18("3","9","8","10","2","7","1") = "9"
    & skf18("3","9","8","10","2","8","1") = "9"
    & skf18("3","9","8","10","2","9","1") = "9"
    & skf18("3","9","8","10","2","10","1") = "9"
    & skf18("3","9","8","10","3","1","1") = "9"
    & skf18("3","9","8","10","3","2","1") = "9"
    & skf18("3","9","8","10","3","3","1") = "9"
    & skf18("3","9","8","10","3","4","1") = "9"
    & skf18("3","9","8","10","3","5","1") = "9"
    & skf18("3","9","8","10","3","6","1") = "9"
    & skf18("3","9","8","10","3","7","1") = "9"
    & skf18("3","9","8","10","3","8","1") = "9"
    & skf18("3","9","8","10","3","9","1") = "9"
    & skf18("3","9","8","10","3","10","1") = "9"
    & skf18("3","9","8","10","4","1","1") = "9"
    & skf18("3","9","8","10","4","2","1") = "9"
    & skf18("3","9","8","10","4","3","1") = "9"
    & skf18("3","9","8","10","4","4","1") = "9"
    & skf18("3","9","8","10","4","5","1") = "9"
    & skf18("3","9","8","10","4","6","1") = "9"
    & skf18("3","9","8","10","4","7","1") = "9"
    & skf18("3","9","8","10","4","8","1") = "9"
    & skf18("3","9","8","10","4","9","1") = "9"
    & skf18("3","9","8","10","4","10","1") = "9"
    & skf18("3","9","8","10","5","1","1") = "9"
    & skf18("3","9","8","10","5","2","1") = "9"
    & skf18("3","9","8","10","5","3","1") = "9"
    & skf18("3","9","8","10","5","4","1") = "9"
    & skf18("3","9","8","10","5","5","1") = "9"
    & skf18("3","9","8","10","5","6","1") = "9"
    & skf18("3","9","8","10","5","7","1") = "9"
    & skf18("3","9","8","10","5","8","1") = "9"
    & skf18("3","9","8","10","5","9","1") = "9"
    & skf18("3","9","8","10","5","10","1") = "9"
    & skf18("3","9","8","10","6","1","1") = "9"
    & skf18("3","9","8","10","6","2","1") = "9"
    & skf18("3","9","8","10","6","3","1") = "9"
    & skf18("3","9","8","10","6","4","1") = "9"
    & skf18("3","9","8","10","6","5","1") = "9"
    & skf18("3","9","8","10","6","6","1") = "9"
    & skf18("3","9","8","10","6","7","1") = "9"
    & skf18("3","9","8","10","6","8","1") = "9"
    & skf18("3","9","8","10","6","9","1") = "9"
    & skf18("3","9","8","10","6","10","1") = "9"
    & skf18("3","9","8","10","7","1","1") = "9"
    & skf18("3","9","8","10","7","2","1") = "9"
    & skf18("3","9","8","10","7","3","1") = "9"
    & skf18("3","9","8","10","7","4","1") = "9"
    & skf18("3","9","8","10","7","5","1") = "9"
    & skf18("3","9","8","10","7","6","1") = "9"
    & skf18("3","9","8","10","7","7","1") = "9"
    & skf18("3","9","8","10","7","8","1") = "9"
    & skf18("3","9","8","10","7","9","1") = "9"
    & skf18("3","9","8","10","7","10","1") = "9"
    & skf18("3","9","8","10","8","1","1") = "9"
    & skf18("3","9","8","10","8","2","1") = "9"
    & skf18("3","9","8","10","8","3","1") = "9"
    & skf18("3","9","8","10","8","4","1") = "9"
    & skf18("3","9","8","10","8","5","1") = "9"
    & skf18("3","9","8","10","8","6","1") = "9"
    & skf18("3","9","8","10","8","7","1") = "9"
    & skf18("3","9","8","10","8","8","1") = "9"
    & skf18("3","9","8","10","8","9","1") = "9"
    & skf18("3","9","8","10","8","10","1") = "9"
    & skf18("3","9","8","10","9","1","1") = "9"
    & skf18("3","9","8","10","9","2","1") = "9"
    & skf18("3","9","8","10","9","3","1") = "9"
    & skf18("3","9","8","10","9","4","1") = "9"
    & skf18("3","9","8","10","9","5","1") = "9"
    & skf18("3","9","8","10","9","6","1") = "9"
    & skf18("3","9","8","10","9","7","1") = "9"
    & skf18("3","9","8","10","9","8","1") = "9"
    & skf18("3","9","8","10","9","9","1") = "9"
    & skf18("3","9","8","10","9","10","1") = "9"
    & skf18("3","9","8","10","10","1","1") = "9"
    & skf18("3","9","8","10","10","2","1") = "9"
    & skf18("3","9","8","10","10","3","1") = "9"
    & skf18("3","9","8","10","10","4","1") = "9"
    & skf18("3","9","8","10","10","5","1") = "9"
    & skf18("3","9","8","10","10","6","1") = "9"
    & skf18("3","9","8","10","10","7","1") = "9"
    & skf18("3","9","8","10","10","8","1") = "9"
    & skf18("3","9","8","10","10","9","1") = "9"
    & skf18("3","9","8","10","10","10","1") = "9"
    & skf18("3","9","9","1","1","1","1") = "8"
    & skf18("3","9","9","1","1","2","1") = "8"
    & skf18("3","9","9","1","1","3","1") = "8"
    & skf18("3","9","9","1","1","4","1") = "8"
    & skf18("3","9","9","1","1","5","1") = "8"
    & skf18("3","9","9","1","1","6","1") = "8"
    & skf18("3","9","9","1","1","7","1") = "8"
    & skf18("3","9","9","1","1","8","1") = "8"
    & skf18("3","9","9","1","1","9","1") = "8"
    & skf18("3","9","9","1","1","10","1") = "9"
    & skf18("3","9","9","1","2","1","1") = "8"
    & skf18("3","9","9","1","2","2","1") = "8"
    & skf18("3","9","9","1","2","3","1") = "8"
    & skf18("3","9","9","1","2","4","1") = "8"
    & skf18("3","9","9","1","2","5","1") = "8"
    & skf18("3","9","9","1","2","6","1") = "8"
    & skf18("3","9","9","1","2","7","1") = "8"
    & skf18("3","9","9","1","2","8","1") = "8"
    & skf18("3","9","9","1","2","9","1") = "8"
    & skf18("3","9","9","1","2","10","1") = "9"
    & skf18("3","9","9","1","3","1","1") = "8"
    & skf18("3","9","9","1","3","2","1") = "8"
    & skf18("3","9","9","1","3","3","1") = "8"
    & skf18("3","9","9","1","3","4","1") = "8"
    & skf18("3","9","9","1","3","5","1") = "8"
    & skf18("3","9","9","1","3","6","1") = "8"
    & skf18("3","9","9","1","3","7","1") = "8"
    & skf18("3","9","9","1","3","8","1") = "8"
    & skf18("3","9","9","1","3","9","1") = "8"
    & skf18("3","9","9","1","3","10","1") = "9"
    & skf18("3","9","9","1","4","1","1") = "8"
    & skf18("3","9","9","1","4","2","1") = "8"
    & skf18("3","9","9","1","4","3","1") = "8"
    & skf18("3","9","9","1","4","4","1") = "8"
    & skf18("3","9","9","1","4","5","1") = "8"
    & skf18("3","9","9","1","4","6","1") = "8"
    & skf18("3","9","9","1","4","7","1") = "8"
    & skf18("3","9","9","1","4","8","1") = "8"
    & skf18("3","9","9","1","4","9","1") = "8"
    & skf18("3","9","9","1","4","10","1") = "9"
    & skf18("3","9","9","1","5","1","1") = "8"
    & skf18("3","9","9","1","5","2","1") = "8"
    & skf18("3","9","9","1","5","3","1") = "8"
    & skf18("3","9","9","1","5","4","1") = "8"
    & skf18("3","9","9","1","5","5","1") = "8"
    & skf18("3","9","9","1","5","6","1") = "8"
    & skf18("3","9","9","1","5","7","1") = "8"
    & skf18("3","9","9","1","5","8","1") = "8"
    & skf18("3","9","9","1","5","9","1") = "8"
    & skf18("3","9","9","1","5","10","1") = "9"
    & skf18("3","9","9","1","6","1","1") = "8"
    & skf18("3","9","9","1","6","2","1") = "8"
    & skf18("3","9","9","1","6","3","1") = "8"
    & skf18("3","9","9","1","6","4","1") = "8"
    & skf18("3","9","9","1","6","5","1") = "8"
    & skf18("3","9","9","1","6","6","1") = "8"
    & skf18("3","9","9","1","6","7","1") = "8"
    & skf18("3","9","9","1","6","8","1") = "8"
    & skf18("3","9","9","1","6","9","1") = "8"
    & skf18("3","9","9","1","6","10","1") = "9"
    & skf18("3","9","9","1","7","1","1") = "8"
    & skf18("3","9","9","1","7","2","1") = "8"
    & skf18("3","9","9","1","7","3","1") = "8"
    & skf18("3","9","9","1","7","4","1") = "8"
    & skf18("3","9","9","1","7","5","1") = "8"
    & skf18("3","9","9","1","7","6","1") = "8"
    & skf18("3","9","9","1","7","7","1") = "8"
    & skf18("3","9","9","1","7","8","1") = "8"
    & skf18("3","9","9","1","7","9","1") = "8"
    & skf18("3","9","9","1","7","10","1") = "9"
    & skf18("3","9","9","1","8","1","1") = "8"
    & skf18("3","9","9","1","8","2","1") = "8"
    & skf18("3","9","9","1","8","3","1") = "8"
    & skf18("3","9","9","1","8","4","1") = "8"
    & skf18("3","9","9","1","8","5","1") = "8"
    & skf18("3","9","9","1","8","6","1") = "8"
    & skf18("3","9","9","1","8","7","1") = "8"
    & skf18("3","9","9","1","8","8","1") = "8"
    & skf18("3","9","9","1","8","9","1") = "8"
    & skf18("3","9","9","1","8","10","1") = "9"
    & skf18("3","9","9","1","9","1","1") = "8"
    & skf18("3","9","9","1","9","2","1") = "8"
    & skf18("3","9","9","1","9","3","1") = "8"
    & skf18("3","9","9","1","9","4","1") = "8"
    & skf18("3","9","9","1","9","5","1") = "8"
    & skf18("3","9","9","1","9","6","1") = "8"
    & skf18("3","9","9","1","9","7","1") = "8"
    & skf18("3","9","9","1","9","8","1") = "8"
    & skf18("3","9","9","1","9","9","1") = "8"
    & skf18("3","9","9","1","9","10","1") = "9"
    & skf18("3","9","9","1","10","1","1") = "9"
    & skf18("3","9","9","1","10","2","1") = "9"
    & skf18("3","9","9","1","10","3","1") = "9"
    & skf18("3","9","9","1","10","4","1") = "9"
    & skf18("3","9","9","1","10","5","1") = "9"
    & skf18("3","9","9","1","10","6","1") = "9"
    & skf18("3","9","9","1","10","7","1") = "9"
    & skf18("3","9","9","1","10","8","1") = "9"
    & skf18("3","9","9","1","10","9","1") = "9"
    & skf18("3","9","9","1","10","10","1") = "9"
    & skf18("3","9","9","2","1","1","1") = "8"
    & skf18("3","9","9","2","1","2","1") = "8"
    & skf18("3","9","9","2","1","3","1") = "8"
    & skf18("3","9","9","2","1","4","1") = "8"
    & skf18("3","9","9","2","1","5","1") = "8"
    & skf18("3","9","9","2","1","6","1") = "8"
    & skf18("3","9","9","2","1","7","1") = "8"
    & skf18("3","9","9","2","1","8","1") = "8"
    & skf18("3","9","9","2","1","9","1") = "8"
    & skf18("3","9","9","2","1","10","1") = "9"
    & skf18("3","9","9","2","2","1","1") = "8"
    & skf18("3","9","9","2","2","2","1") = "8"
    & skf18("3","9","9","2","2","3","1") = "8"
    & skf18("3","9","9","2","2","4","1") = "8"
    & skf18("3","9","9","2","2","5","1") = "8"
    & skf18("3","9","9","2","2","6","1") = "8"
    & skf18("3","9","9","2","2","7","1") = "8"
    & skf18("3","9","9","2","2","8","1") = "8"
    & skf18("3","9","9","2","2","9","1") = "8"
    & skf18("3","9","9","2","2","10","1") = "9"
    & skf18("3","9","9","2","3","1","1") = "8"
    & skf18("3","9","9","2","3","2","1") = "8"
    & skf18("3","9","9","2","3","3","1") = "8"
    & skf18("3","9","9","2","3","4","1") = "8"
    & skf18("3","9","9","2","3","5","1") = "8"
    & skf18("3","9","9","2","3","6","1") = "8"
    & skf18("3","9","9","2","3","7","1") = "8"
    & skf18("3","9","9","2","3","8","1") = "8"
    & skf18("3","9","9","2","3","9","1") = "8"
    & skf18("3","9","9","2","3","10","1") = "9"
    & skf18("3","9","9","2","4","1","1") = "8"
    & skf18("3","9","9","2","4","2","1") = "8"
    & skf18("3","9","9","2","4","3","1") = "8"
    & skf18("3","9","9","2","4","4","1") = "8"
    & skf18("3","9","9","2","4","5","1") = "8"
    & skf18("3","9","9","2","4","6","1") = "8"
    & skf18("3","9","9","2","4","7","1") = "8"
    & skf18("3","9","9","2","4","8","1") = "8"
    & skf18("3","9","9","2","4","9","1") = "8"
    & skf18("3","9","9","2","4","10","1") = "9"
    & skf18("3","9","9","2","5","1","1") = "8"
    & skf18("3","9","9","2","5","2","1") = "8"
    & skf18("3","9","9","2","5","3","1") = "8"
    & skf18("3","9","9","2","5","4","1") = "8"
    & skf18("3","9","9","2","5","5","1") = "8"
    & skf18("3","9","9","2","5","6","1") = "8"
    & skf18("3","9","9","2","5","7","1") = "8"
    & skf18("3","9","9","2","5","8","1") = "8"
    & skf18("3","9","9","2","5","9","1") = "8"
    & skf18("3","9","9","2","5","10","1") = "9"
    & skf18("3","9","9","2","6","1","1") = "8"
    & skf18("3","9","9","2","6","2","1") = "8"
    & skf18("3","9","9","2","6","3","1") = "8"
    & skf18("3","9","9","2","6","4","1") = "8"
    & skf18("3","9","9","2","6","5","1") = "8"
    & skf18("3","9","9","2","6","6","1") = "8"
    & skf18("3","9","9","2","6","7","1") = "8"
    & skf18("3","9","9","2","6","8","1") = "8"
    & skf18("3","9","9","2","6","9","1") = "8"
    & skf18("3","9","9","2","6","10","1") = "9"
    & skf18("3","9","9","2","7","1","1") = "8"
    & skf18("3","9","9","2","7","2","1") = "7"
    & skf18("3","9","9","2","7","3","1") = "8"
    & skf18("3","9","9","2","7","4","1") = "7"
    & skf18("3","9","9","2","7","5","1") = "8"
    & skf18("3","9","9","2","7","6","1") = "8"
    & skf18("3","9","9","2","7","7","1") = "8"
    & skf18("3","9","9","2","7","8","1") = "7"
    & skf18("3","9","9","2","7","9","1") = "8"
    & skf18("3","9","9","2","7","10","1") = "9"
    & skf18("3","9","9","2","8","1","1") = "8"
    & skf18("3","9","9","2","8","2","1") = "8"
    & skf18("3","9","9","2","8","3","1") = "7"
    & skf18("3","9","9","2","8","4","1") = "8"
    & skf18("3","9","9","2","8","5","1") = "8"
    & skf18("3","9","9","2","8","6","1") = "8"
    & skf18("3","9","9","2","8","7","1") = "8"
    & skf18("3","9","9","2","8","8","1") = "8"
    & skf18("3","9","9","2","8","9","1") = "8"
    & skf18("3","9","9","2","8","10","1") = "9"
    & skf18("3","9","9","2","9","1","1") = "8"
    & skf18("3","9","9","2","9","2","1") = "8"
    & skf18("3","9","9","2","9","3","1") = "8"
    & skf18("3","9","9","2","9","4","1") = "8"
    & skf18("3","9","9","2","9","5","1") = "8"
    & skf18("3","9","9","2","9","6","1") = "8"
    & skf18("3","9","9","2","9","7","1") = "8"
    & skf18("3","9","9","2","9","8","1") = "8"
    & skf18("3","9","9","2","9","9","1") = "8"
    & skf18("3","9","9","2","9","10","1") = "9"
    & skf18("3","9","9","2","10","1","1") = "9"
    & skf18("3","9","9","2","10","2","1") = "9"
    & skf18("3","9","9","2","10","3","1") = "9"
    & skf18("3","9","9","2","10","4","1") = "9"
    & skf18("3","9","9","2","10","5","1") = "9"
    & skf18("3","9","9","2","10","6","1") = "9"
    & skf18("3","9","9","2","10","7","1") = "9"
    & skf18("3","9","9","2","10","8","1") = "9"
    & skf18("3","9","9","2","10","9","1") = "9"
    & skf18("3","9","9","2","10","10","1") = "9"
    & skf18("3","9","9","3","1","1","1") = "8"
    & skf18("3","9","9","3","1","2","1") = "8"
    & skf18("3","9","9","3","1","3","1") = "8"
    & skf18("3","9","9","3","1","4","1") = "8"
    & skf18("3","9","9","3","1","5","1") = "8"
    & skf18("3","9","9","3","1","6","1") = "8"
    & skf18("3","9","9","3","1","7","1") = "8"
    & skf18("3","9","9","3","1","8","1") = "8"
    & skf18("3","9","9","3","1","9","1") = "8"
    & skf18("3","9","9","3","1","10","1") = "9"
    & skf18("3","9","9","3","2","1","1") = "8"
    & skf18("3","9","9","3","2","2","1") = "8"
    & skf18("3","9","9","3","2","3","1") = "8"
    & skf18("3","9","9","3","2","4","1") = "8"
    & skf18("3","9","9","3","2","5","1") = "8"
    & skf18("3","9","9","3","2","6","1") = "8"
    & skf18("3","9","9","3","2","7","1") = "8"
    & skf18("3","9","9","3","2","8","1") = "8"
    & skf18("3","9","9","3","2","9","1") = "8"
    & skf18("3","9","9","3","2","10","1") = "9"
    & skf18("3","9","9","3","3","1","1") = "8"
    & skf18("3","9","9","3","3","2","1") = "8"
    & skf18("3","9","9","3","3","3","1") = "8"
    & skf18("3","9","9","3","3","4","1") = "8"
    & skf18("3","9","9","3","3","5","1") = "8"
    & skf18("3","9","9","3","3","6","1") = "8"
    & skf18("3","9","9","3","3","7","1") = "8"
    & skf18("3","9","9","3","3","8","1") = "8"
    & skf18("3","9","9","3","3","9","1") = "8"
    & skf18("3","9","9","3","3","10","1") = "9"
    & skf18("3","9","9","3","4","1","1") = "8"
    & skf18("3","9","9","3","4","2","1") = "8"
    & skf18("3","9","9","3","4","3","1") = "8"
    & skf18("3","9","9","3","4","4","1") = "8"
    & skf18("3","9","9","3","4","5","1") = "8"
    & skf18("3","9","9","3","4","6","1") = "8"
    & skf18("3","9","9","3","4","7","1") = "8"
    & skf18("3","9","9","3","4","8","1") = "8"
    & skf18("3","9","9","3","4","9","1") = "8"
    & skf18("3","9","9","3","4","10","1") = "9"
    & skf18("3","9","9","3","5","1","1") = "8"
    & skf18("3","9","9","3","5","2","1") = "8"
    & skf18("3","9","9","3","5","3","1") = "8"
    & skf18("3","9","9","3","5","4","1") = "8"
    & skf18("3","9","9","3","5","5","1") = "8"
    & skf18("3","9","9","3","5","6","1") = "8"
    & skf18("3","9","9","3","5","7","1") = "8"
    & skf18("3","9","9","3","5","8","1") = "8"
    & skf18("3","9","9","3","5","9","1") = "8"
    & skf18("3","9","9","3","5","10","1") = "9"
    & skf18("3","9","9","3","6","1","1") = "8"
    & skf18("3","9","9","3","6","2","1") = "8"
    & skf18("3","9","9","3","6","3","1") = "8"
    & skf18("3","9","9","3","6","4","1") = "8"
    & skf18("3","9","9","3","6","5","1") = "8"
    & skf18("3","9","9","3","6","6","1") = "8"
    & skf18("3","9","9","3","6","7","1") = "8"
    & skf18("3","9","9","3","6","8","1") = "8"
    & skf18("3","9","9","3","6","9","1") = "8"
    & skf18("3","9","9","3","6","10","1") = "9"
    & skf18("3","9","9","3","7","1","1") = "8"
    & skf18("3","9","9","3","7","2","1") = "8"
    & skf18("3","9","9","3","7","3","1") = "8"
    & skf18("3","9","9","3","7","4","1") = "8"
    & skf18("3","9","9","3","7","5","1") = "8"
    & skf18("3","9","9","3","7","6","1") = "8"
    & skf18("3","9","9","3","7","7","1") = "8"
    & skf18("3","9","9","3","7","8","1") = "8"
    & skf18("3","9","9","3","7","9","1") = "8"
    & skf18("3","9","9","3","7","10","1") = "9"
    & skf18("3","9","9","3","8","1","1") = "8"
    & skf18("3","9","9","3","8","2","1") = "8"
    & skf18("3","9","9","3","8","3","1") = "8"
    & skf18("3","9","9","3","8","4","1") = "8"
    & skf18("3","9","9","3","8","5","1") = "8"
    & skf18("3","9","9","3","8","6","1") = "8"
    & skf18("3","9","9","3","8","7","1") = "8"
    & skf18("3","9","9","3","8","8","1") = "8"
    & skf18("3","9","9","3","8","9","1") = "8"
    & skf18("3","9","9","3","8","10","1") = "9"
    & skf18("3","9","9","3","9","1","1") = "8"
    & skf18("3","9","9","3","9","2","1") = "8"
    & skf18("3","9","9","3","9","3","1") = "8"
    & skf18("3","9","9","3","9","4","1") = "8"
    & skf18("3","9","9","3","9","5","1") = "8"
    & skf18("3","9","9","3","9","6","1") = "8"
    & skf18("3","9","9","3","9","7","1") = "8"
    & skf18("3","9","9","3","9","8","1") = "8"
    & skf18("3","9","9","3","9","9","1") = "8"
    & skf18("3","9","9","3","9","10","1") = "9"
    & skf18("3","9","9","3","10","1","1") = "9"
    & skf18("3","9","9","3","10","2","1") = "9"
    & skf18("3","9","9","3","10","3","1") = "9"
    & skf18("3","9","9","3","10","4","1") = "9"
    & skf18("3","9","9","3","10","5","1") = "9"
    & skf18("3","9","9","3","10","6","1") = "9"
    & skf18("3","9","9","3","10","7","1") = "9"
    & skf18("3","9","9","3","10","8","1") = "9"
    & skf18("3","9","9","3","10","9","1") = "9"
    & skf18("3","9","9","3","10","10","1") = "9"
    & skf18("3","9","9","4","1","1","1") = "8"
    & skf18("3","9","9","4","1","2","1") = "8"
    & skf18("3","9","9","4","1","3","1") = "8"
    & skf18("3","9","9","4","1","4","1") = "8"
    & skf18("3","9","9","4","1","5","1") = "8"
    & skf18("3","9","9","4","1","6","1") = "8"
    & skf18("3","9","9","4","1","7","1") = "8"
    & skf18("3","9","9","4","1","8","1") = "8"
    & skf18("3","9","9","4","1","9","1") = "8"
    & skf18("3","9","9","4","1","10","1") = "9"
    & skf18("3","9","9","4","2","1","1") = "8"
    & skf18("3","9","9","4","2","2","1") = "8"
    & skf18("3","9","9","4","2","3","1") = "8"
    & skf18("3","9","9","4","2","4","1") = "8"
    & skf18("3","9","9","4","2","5","1") = "8"
    & skf18("3","9","9","4","2","6","1") = "8"
    & skf18("3","9","9","4","2","7","1") = "8"
    & skf18("3","9","9","4","2","8","1") = "8"
    & skf18("3","9","9","4","2","9","1") = "8"
    & skf18("3","9","9","4","2","10","1") = "9"
    & skf18("3","9","9","4","3","1","1") = "8"
    & skf18("3","9","9","4","3","2","1") = "8"
    & skf18("3","9","9","4","3","3","1") = "8"
    & skf18("3","9","9","4","3","4","1") = "8"
    & skf18("3","9","9","4","3","5","1") = "8"
    & skf18("3","9","9","4","3","6","1") = "8"
    & skf18("3","9","9","4","3","7","1") = "8"
    & skf18("3","9","9","4","3","8","1") = "8"
    & skf18("3","9","9","4","3","9","1") = "8"
    & skf18("3","9","9","4","3","10","1") = "9"
    & skf18("3","9","9","4","4","1","1") = "8"
    & skf18("3","9","9","4","4","2","1") = "8"
    & skf18("3","9","9","4","4","3","1") = "8"
    & skf18("3","9","9","4","4","4","1") = "8"
    & skf18("3","9","9","4","4","5","1") = "8"
    & skf18("3","9","9","4","4","6","1") = "8"
    & skf18("3","9","9","4","4","7","1") = "8"
    & skf18("3","9","9","4","4","8","1") = "8"
    & skf18("3","9","9","4","4","9","1") = "8"
    & skf18("3","9","9","4","4","10","1") = "9"
    & skf18("3","9","9","4","5","1","1") = "8"
    & skf18("3","9","9","4","5","2","1") = "8"
    & skf18("3","9","9","4","5","3","1") = "8"
    & skf18("3","9","9","4","5","4","1") = "8"
    & skf18("3","9","9","4","5","5","1") = "8"
    & skf18("3","9","9","4","5","6","1") = "8"
    & skf18("3","9","9","4","5","7","1") = "8"
    & skf18("3","9","9","4","5","8","1") = "8"
    & skf18("3","9","9","4","5","9","1") = "8"
    & skf18("3","9","9","4","5","10","1") = "9"
    & skf18("3","9","9","4","6","1","1") = "8"
    & skf18("3","9","9","4","6","2","1") = "8"
    & skf18("3","9","9","4","6","3","1") = "8"
    & skf18("3","9","9","4","6","4","1") = "8"
    & skf18("3","9","9","4","6","5","1") = "8"
    & skf18("3","9","9","4","6","6","1") = "8"
    & skf18("3","9","9","4","6","7","1") = "8"
    & skf18("3","9","9","4","6","8","1") = "8"
    & skf18("3","9","9","4","6","9","1") = "8"
    & skf18("3","9","9","4","6","10","1") = "9"
    & skf18("3","9","9","4","7","1","1") = "8"
    & skf18("3","9","9","4","7","2","1") = "8"
    & skf18("3","9","9","4","7","3","1") = "8"
    & skf18("3","9","9","4","7","4","1") = "8"
    & skf18("3","9","9","4","7","5","1") = "8"
    & skf18("3","9","9","4","7","6","1") = "8"
    & skf18("3","9","9","4","7","7","1") = "8"
    & skf18("3","9","9","4","7","8","1") = "8"
    & skf18("3","9","9","4","7","9","1") = "8"
    & skf18("3","9","9","4","7","10","1") = "9"
    & skf18("3","9","9","4","8","1","1") = "8"
    & skf18("3","9","9","4","8","2","1") = "8"
    & skf18("3","9","9","4","8","3","1") = "8"
    & skf18("3","9","9","4","8","4","1") = "8"
    & skf18("3","9","9","4","8","5","1") = "8"
    & skf18("3","9","9","4","8","6","1") = "8"
    & skf18("3","9","9","4","8","7","1") = "8"
    & skf18("3","9","9","4","8","8","1") = "8"
    & skf18("3","9","9","4","8","9","1") = "8"
    & skf18("3","9","9","4","8","10","1") = "9"
    & skf18("3","9","9","4","9","1","1") = "8"
    & skf18("3","9","9","4","9","2","1") = "8"
    & skf18("3","9","9","4","9","3","1") = "8"
    & skf18("3","9","9","4","9","4","1") = "8"
    & skf18("3","9","9","4","9","5","1") = "8"
    & skf18("3","9","9","4","9","6","1") = "8"
    & skf18("3","9","9","4","9","7","1") = "8"
    & skf18("3","9","9","4","9","8","1") = "8"
    & skf18("3","9","9","4","9","9","1") = "8"
    & skf18("3","9","9","4","9","10","1") = "9"
    & skf18("3","9","9","4","10","1","1") = "9"
    & skf18("3","9","9","4","10","2","1") = "9"
    & skf18("3","9","9","4","10","3","1") = "9"
    & skf18("3","9","9","4","10","4","1") = "9"
    & skf18("3","9","9","4","10","5","1") = "9"
    & skf18("3","9","9","4","10","6","1") = "9"
    & skf18("3","9","9","4","10","7","1") = "9"
    & skf18("3","9","9","4","10","8","1") = "9"
    & skf18("3","9","9","4","10","9","1") = "9"
    & skf18("3","9","9","4","10","10","1") = "9"
    & skf18("3","9","9","5","1","1","1") = "8"
    & skf18("3","9","9","5","1","2","1") = "8"
    & skf18("3","9","9","5","1","3","1") = "8"
    & skf18("3","9","9","5","1","4","1") = "8"
    & skf18("3","9","9","5","1","5","1") = "8"
    & skf18("3","9","9","5","1","6","1") = "8"
    & skf18("3","9","9","5","1","7","1") = "8"
    & skf18("3","9","9","5","1","8","1") = "8"
    & skf18("3","9","9","5","1","9","1") = "8"
    & skf18("3","9","9","5","1","10","1") = "9"
    & skf18("3","9","9","5","2","1","1") = "8"
    & skf18("3","9","9","5","2","2","1") = "8"
    & skf18("3","9","9","5","2","3","1") = "8"
    & skf18("3","9","9","5","2","4","1") = "8"
    & skf18("3","9","9","5","2","5","1") = "8"
    & skf18("3","9","9","5","2","6","1") = "8"
    & skf18("3","9","9","5","2","7","1") = "8"
    & skf18("3","9","9","5","2","8","1") = "8"
    & skf18("3","9","9","5","2","9","1") = "8"
    & skf18("3","9","9","5","2","10","1") = "9"
    & skf18("3","9","9","5","3","1","1") = "8"
    & skf18("3","9","9","5","3","2","1") = "8"
    & skf18("3","9","9","5","3","3","1") = "8"
    & skf18("3","9","9","5","3","4","1") = "8"
    & skf18("3","9","9","5","3","5","1") = "8"
    & skf18("3","9","9","5","3","6","1") = "8"
    & skf18("3","9","9","5","3","7","1") = "8"
    & skf18("3","9","9","5","3","8","1") = "8"
    & skf18("3","9","9","5","3","9","1") = "8"
    & skf18("3","9","9","5","3","10","1") = "9"
    & skf18("3","9","9","5","4","1","1") = "8"
    & skf18("3","9","9","5","4","2","1") = "8"
    & skf18("3","9","9","5","4","3","1") = "8"
    & skf18("3","9","9","5","4","4","1") = "8"
    & skf18("3","9","9","5","4","5","1") = "8"
    & skf18("3","9","9","5","4","6","1") = "8"
    & skf18("3","9","9","5","4","7","1") = "8"
    & skf18("3","9","9","5","4","8","1") = "8"
    & skf18("3","9","9","5","4","9","1") = "8"
    & skf18("3","9","9","5","4","10","1") = "9"
    & skf18("3","9","9","5","5","1","1") = "8"
    & skf18("3","9","9","5","5","2","1") = "8"
    & skf18("3","9","9","5","5","3","1") = "8"
    & skf18("3","9","9","5","5","4","1") = "8"
    & skf18("3","9","9","5","5","5","1") = "8"
    & skf18("3","9","9","5","5","6","1") = "8"
    & skf18("3","9","9","5","5","7","1") = "8"
    & skf18("3","9","9","5","5","8","1") = "8"
    & skf18("3","9","9","5","5","9","1") = "8"
    & skf18("3","9","9","5","5","10","1") = "9"
    & skf18("3","9","9","5","6","1","1") = "8"
    & skf18("3","9","9","5","6","2","1") = "8"
    & skf18("3","9","9","5","6","3","1") = "8"
    & skf18("3","9","9","5","6","4","1") = "8"
    & skf18("3","9","9","5","6","5","1") = "8"
    & skf18("3","9","9","5","6","6","1") = "8"
    & skf18("3","9","9","5","6","7","1") = "8"
    & skf18("3","9","9","5","6","8","1") = "8"
    & skf18("3","9","9","5","6","9","1") = "8"
    & skf18("3","9","9","5","6","10","1") = "9"
    & skf18("3","9","9","5","7","1","1") = "8"
    & skf18("3","9","9","5","7","2","1") = "8"
    & skf18("3","9","9","5","7","3","1") = "8"
    & skf18("3","9","9","5","7","4","1") = "8"
    & skf18("3","9","9","5","7","5","1") = "8"
    & skf18("3","9","9","5","7","6","1") = "8"
    & skf18("3","9","9","5","7","7","1") = "8"
    & skf18("3","9","9","5","7","8","1") = "8"
    & skf18("3","9","9","5","7","9","1") = "8"
    & skf18("3","9","9","5","7","10","1") = "9"
    & skf18("3","9","9","5","8","1","1") = "8"
    & skf18("3","9","9","5","8","2","1") = "8"
    & skf18("3","9","9","5","8","3","1") = "8"
    & skf18("3","9","9","5","8","4","1") = "8"
    & skf18("3","9","9","5","8","5","1") = "8"
    & skf18("3","9","9","5","8","6","1") = "8"
    & skf18("3","9","9","5","8","7","1") = "8"
    & skf18("3","9","9","5","8","8","1") = "8"
    & skf18("3","9","9","5","8","9","1") = "8"
    & skf18("3","9","9","5","8","10","1") = "9"
    & skf18("3","9","9","5","9","1","1") = "8"
    & skf18("3","9","9","5","9","2","1") = "8"
    & skf18("3","9","9","5","9","3","1") = "8"
    & skf18("3","9","9","5","9","4","1") = "8"
    & skf18("3","9","9","5","9","5","1") = "8"
    & skf18("3","9","9","5","9","6","1") = "8"
    & skf18("3","9","9","5","9","7","1") = "8"
    & skf18("3","9","9","5","9","8","1") = "8"
    & skf18("3","9","9","5","9","9","1") = "8"
    & skf18("3","9","9","5","9","10","1") = "9"
    & skf18("3","9","9","5","10","1","1") = "9"
    & skf18("3","9","9","5","10","2","1") = "9"
    & skf18("3","9","9","5","10","3","1") = "9"
    & skf18("3","9","9","5","10","4","1") = "9"
    & skf18("3","9","9","5","10","5","1") = "9"
    & skf18("3","9","9","5","10","6","1") = "9"
    & skf18("3","9","9","5","10","7","1") = "9"
    & skf18("3","9","9","5","10","8","1") = "9"
    & skf18("3","9","9","5","10","9","1") = "9"
    & skf18("3","9","9","5","10","10","1") = "9"
    & skf18("3","9","9","6","1","1","1") = "8"
    & skf18("3","9","9","6","1","2","1") = "8"
    & skf18("3","9","9","6","1","3","1") = "8"
    & skf18("3","9","9","6","1","4","1") = "8"
    & skf18("3","9","9","6","1","5","1") = "8"
    & skf18("3","9","9","6","1","6","1") = "8"
    & skf18("3","9","9","6","1","7","1") = "8"
    & skf18("3","9","9","6","1","8","1") = "8"
    & skf18("3","9","9","6","1","9","1") = "8"
    & skf18("3","9","9","6","1","10","1") = "9"
    & skf18("3","9","9","6","2","1","1") = "8"
    & skf18("3","9","9","6","2","2","1") = "8"
    & skf18("3","9","9","6","2","3","1") = "8"
    & skf18("3","9","9","6","2","4","1") = "8"
    & skf18("3","9","9","6","2","5","1") = "8"
    & skf18("3","9","9","6","2","6","1") = "8"
    & skf18("3","9","9","6","2","7","1") = "8"
    & skf18("3","9","9","6","2","8","1") = "8"
    & skf18("3","9","9","6","2","9","1") = "8"
    & skf18("3","9","9","6","2","10","1") = "9"
    & skf18("3","9","9","6","3","1","1") = "8"
    & skf18("3","9","9","6","3","2","1") = "8"
    & skf18("3","9","9","6","3","3","1") = "8"
    & skf18("3","9","9","6","3","4","1") = "8"
    & skf18("3","9","9","6","3","5","1") = "8"
    & skf18("3","9","9","6","3","6","1") = "8"
    & skf18("3","9","9","6","3","7","1") = "8"
    & skf18("3","9","9","6","3","8","1") = "8"
    & skf18("3","9","9","6","3","9","1") = "8"
    & skf18("3","9","9","6","3","10","1") = "9"
    & skf18("3","9","9","6","4","1","1") = "8"
    & skf18("3","9","9","6","4","2","1") = "8"
    & skf18("3","9","9","6","4","3","1") = "8"
    & skf18("3","9","9","6","4","4","1") = "8"
    & skf18("3","9","9","6","4","5","1") = "8"
    & skf18("3","9","9","6","4","6","1") = "8"
    & skf18("3","9","9","6","4","7","1") = "8"
    & skf18("3","9","9","6","4","8","1") = "8"
    & skf18("3","9","9","6","4","9","1") = "8"
    & skf18("3","9","9","6","4","10","1") = "9"
    & skf18("3","9","9","6","5","1","1") = "8"
    & skf18("3","9","9","6","5","2","1") = "8"
    & skf18("3","9","9","6","5","3","1") = "8"
    & skf18("3","9","9","6","5","4","1") = "8"
    & skf18("3","9","9","6","5","5","1") = "8"
    & skf18("3","9","9","6","5","6","1") = "8"
    & skf18("3","9","9","6","5","7","1") = "8"
    & skf18("3","9","9","6","5","8","1") = "8"
    & skf18("3","9","9","6","5","9","1") = "8"
    & skf18("3","9","9","6","5","10","1") = "9"
    & skf18("3","9","9","6","6","1","1") = "8"
    & skf18("3","9","9","6","6","2","1") = "8"
    & skf18("3","9","9","6","6","3","1") = "8"
    & skf18("3","9","9","6","6","4","1") = "8"
    & skf18("3","9","9","6","6","5","1") = "8"
    & skf18("3","9","9","6","6","6","1") = "8"
    & skf18("3","9","9","6","6","7","1") = "8"
    & skf18("3","9","9","6","6","8","1") = "8"
    & skf18("3","9","9","6","6","9","1") = "8"
    & skf18("3","9","9","6","6","10","1") = "9"
    & skf18("3","9","9","6","7","1","1") = "8"
    & skf18("3","9","9","6","7","2","1") = "8"
    & skf18("3","9","9","6","7","3","1") = "8"
    & skf18("3","9","9","6","7","4","1") = "8"
    & skf18("3","9","9","6","7","5","1") = "8"
    & skf18("3","9","9","6","7","6","1") = "8"
    & skf18("3","9","9","6","7","7","1") = "8"
    & skf18("3","9","9","6","7","8","1") = "8"
    & skf18("3","9","9","6","7","9","1") = "8"
    & skf18("3","9","9","6","7","10","1") = "9"
    & skf18("3","9","9","6","8","1","1") = "8"
    & skf18("3","9","9","6","8","2","1") = "8"
    & skf18("3","9","9","6","8","3","1") = "8"
    & skf18("3","9","9","6","8","4","1") = "8"
    & skf18("3","9","9","6","8","5","1") = "8"
    & skf18("3","9","9","6","8","6","1") = "8"
    & skf18("3","9","9","6","8","7","1") = "8"
    & skf18("3","9","9","6","8","8","1") = "8"
    & skf18("3","9","9","6","8","9","1") = "8"
    & skf18("3","9","9","6","8","10","1") = "9"
    & skf18("3","9","9","6","9","1","1") = "8"
    & skf18("3","9","9","6","9","2","1") = "8"
    & skf18("3","9","9","6","9","3","1") = "8"
    & skf18("3","9","9","6","9","4","1") = "8"
    & skf18("3","9","9","6","9","5","1") = "8"
    & skf18("3","9","9","6","9","6","1") = "8"
    & skf18("3","9","9","6","9","7","1") = "8"
    & skf18("3","9","9","6","9","8","1") = "8"
    & skf18("3","9","9","6","9","9","1") = "8"
    & skf18("3","9","9","6","9","10","1") = "9"
    & skf18("3","9","9","6","10","1","1") = "9"
    & skf18("3","9","9","6","10","2","1") = "9"
    & skf18("3","9","9","6","10","3","1") = "9"
    & skf18("3","9","9","6","10","4","1") = "9"
    & skf18("3","9","9","6","10","5","1") = "9"
    & skf18("3","9","9","6","10","6","1") = "9"
    & skf18("3","9","9","6","10","7","1") = "9"
    & skf18("3","9","9","6","10","8","1") = "9"
    & skf18("3","9","9","6","10","9","1") = "9"
    & skf18("3","9","9","6","10","10","1") = "9"
    & skf18("3","9","9","7","1","1","1") = "8"
    & skf18("3","9","9","7","1","2","1") = "8"
    & skf18("3","9","9","7","1","3","1") = "8"
    & skf18("3","9","9","7","1","4","1") = "8"
    & skf18("3","9","9","7","1","5","1") = "8"
    & skf18("3","9","9","7","1","6","1") = "8"
    & skf18("3","9","9","7","1","7","1") = "8"
    & skf18("3","9","9","7","1","8","1") = "8"
    & skf18("3","9","9","7","1","9","1") = "8"
    & skf18("3","9","9","7","1","10","1") = "9"
    & skf18("3","9","9","7","2","1","1") = "8"
    & skf18("3","9","9","7","2","2","1") = "8"
    & skf18("3","9","9","7","2","3","1") = "8"
    & skf18("3","9","9","7","2","4","1") = "8"
    & skf18("3","9","9","7","2","5","1") = "8"
    & skf18("3","9","9","7","2","6","1") = "8"
    & skf18("3","9","9","7","2","7","1") = "8"
    & skf18("3","9","9","7","2","8","1") = "8"
    & skf18("3","9","9","7","2","9","1") = "8"
    & skf18("3","9","9","7","2","10","1") = "9"
    & skf18("3","9","9","7","3","1","1") = "8"
    & skf18("3","9","9","7","3","2","1") = "8"
    & skf18("3","9","9","7","3","3","1") = "8"
    & skf18("3","9","9","7","3","4","1") = "8"
    & skf18("3","9","9","7","3","5","1") = "8"
    & skf18("3","9","9","7","3","6","1") = "8"
    & skf18("3","9","9","7","3","7","1") = "8"
    & skf18("3","9","9","7","3","8","1") = "8"
    & skf18("3","9","9","7","3","9","1") = "8"
    & skf18("3","9","9","7","3","10","1") = "9"
    & skf18("3","9","9","7","4","1","1") = "8"
    & skf18("3","9","9","7","4","2","1") = "8"
    & skf18("3","9","9","7","4","3","1") = "8"
    & skf18("3","9","9","7","4","4","1") = "8"
    & skf18("3","9","9","7","4","5","1") = "8"
    & skf18("3","9","9","7","4","6","1") = "8"
    & skf18("3","9","9","7","4","7","1") = "8"
    & skf18("3","9","9","7","4","8","1") = "8"
    & skf18("3","9","9","7","4","9","1") = "8"
    & skf18("3","9","9","7","4","10","1") = "9"
    & skf18("3","9","9","7","5","1","1") = "8"
    & skf18("3","9","9","7","5","2","1") = "8"
    & skf18("3","9","9","7","5","3","1") = "8"
    & skf18("3","9","9","7","5","4","1") = "8"
    & skf18("3","9","9","7","5","5","1") = "8"
    & skf18("3","9","9","7","5","6","1") = "8"
    & skf18("3","9","9","7","5","7","1") = "8"
    & skf18("3","9","9","7","5","8","1") = "8"
    & skf18("3","9","9","7","5","9","1") = "8"
    & skf18("3","9","9","7","5","10","1") = "9"
    & skf18("3","9","9","7","6","1","1") = "8"
    & skf18("3","9","9","7","6","2","1") = "8"
    & skf18("3","9","9","7","6","3","1") = "8"
    & skf18("3","9","9","7","6","4","1") = "8"
    & skf18("3","9","9","7","6","5","1") = "8"
    & skf18("3","9","9","7","6","6","1") = "8"
    & skf18("3","9","9","7","6","7","1") = "8"
    & skf18("3","9","9","7","6","8","1") = "8"
    & skf18("3","9","9","7","6","9","1") = "8"
    & skf18("3","9","9","7","6","10","1") = "9"
    & skf18("3","9","9","7","7","1","1") = "8"
    & skf18("3","9","9","7","7","2","1") = "8"
    & skf18("3","9","9","7","7","3","1") = "8"
    & skf18("3","9","9","7","7","4","1") = "8"
    & skf18("3","9","9","7","7","5","1") = "8"
    & skf18("3","9","9","7","7","6","1") = "8"
    & skf18("3","9","9","7","7","7","1") = "8"
    & skf18("3","9","9","7","7","8","1") = "8"
    & skf18("3","9","9","7","7","9","1") = "8"
    & skf18("3","9","9","7","7","10","1") = "9"
    & skf18("3","9","9","7","8","1","1") = "8"
    & skf18("3","9","9","7","8","2","1") = "8"
    & skf18("3","9","9","7","8","3","1") = "8"
    & skf18("3","9","9","7","8","4","1") = "8"
    & skf18("3","9","9","7","8","5","1") = "8"
    & skf18("3","9","9","7","8","6","1") = "8"
    & skf18("3","9","9","7","8","7","1") = "8"
    & skf18("3","9","9","7","8","8","1") = "8"
    & skf18("3","9","9","7","8","9","1") = "8"
    & skf18("3","9","9","7","8","10","1") = "9"
    & skf18("3","9","9","7","9","1","1") = "8"
    & skf18("3","9","9","7","9","2","1") = "8"
    & skf18("3","9","9","7","9","3","1") = "8"
    & skf18("3","9","9","7","9","4","1") = "8"
    & skf18("3","9","9","7","9","5","1") = "8"
    & skf18("3","9","9","7","9","6","1") = "8"
    & skf18("3","9","9","7","9","7","1") = "8"
    & skf18("3","9","9","7","9","8","1") = "8"
    & skf18("3","9","9","7","9","9","1") = "8"
    & skf18("3","9","9","7","9","10","1") = "9"
    & skf18("3","9","9","7","10","1","1") = "9"
    & skf18("3","9","9","7","10","2","1") = "9"
    & skf18("3","9","9","7","10","3","1") = "9"
    & skf18("3","9","9","7","10","4","1") = "9"
    & skf18("3","9","9","7","10","5","1") = "9"
    & skf18("3","9","9","7","10","6","1") = "9"
    & skf18("3","9","9","7","10","7","1") = "9"
    & skf18("3","9","9","7","10","8","1") = "9"
    & skf18("3","9","9","7","10","9","1") = "9"
    & skf18("3","9","9","7","10","10","1") = "9"
    & skf18("3","9","9","8","1","1","1") = "8"
    & skf18("3","9","9","8","1","2","1") = "8"
    & skf18("3","9","9","8","1","3","1") = "8"
    & skf18("3","9","9","8","1","4","1") = "8"
    & skf18("3","9","9","8","1","5","1") = "8"
    & skf18("3","9","9","8","1","6","1") = "8"
    & skf18("3","9","9","8","1","7","1") = "8"
    & skf18("3","9","9","8","1","8","1") = "8"
    & skf18("3","9","9","8","1","9","1") = "8"
    & skf18("3","9","9","8","1","10","1") = "9"
    & skf18("3","9","9","8","2","1","1") = "8"
    & skf18("3","9","9","8","2","2","1") = "8"
    & skf18("3","9","9","8","2","3","1") = "8"
    & skf18("3","9","9","8","2","4","1") = "8"
    & skf18("3","9","9","8","2","5","1") = "8"
    & skf18("3","9","9","8","2","6","1") = "8"
    & skf18("3","9","9","8","2","7","1") = "8"
    & skf18("3","9","9","8","2","8","1") = "8"
    & skf18("3","9","9","8","2","9","1") = "8"
    & skf18("3","9","9","8","2","10","1") = "9"
    & skf18("3","9","9","8","3","1","1") = "8"
    & skf18("3","9","9","8","3","2","1") = "8"
    & skf18("3","9","9","8","3","3","1") = "8"
    & skf18("3","9","9","8","3","4","1") = "8"
    & skf18("3","9","9","8","3","5","1") = "8"
    & skf18("3","9","9","8","3","6","1") = "8"
    & skf18("3","9","9","8","3","7","1") = "8"
    & skf18("3","9","9","8","3","8","1") = "8"
    & skf18("3","9","9","8","3","9","1") = "8"
    & skf18("3","9","9","8","3","10","1") = "9"
    & skf18("3","9","9","8","4","1","1") = "8"
    & skf18("3","9","9","8","4","2","1") = "8"
    & skf18("3","9","9","8","4","3","1") = "8"
    & skf18("3","9","9","8","4","4","1") = "8"
    & skf18("3","9","9","8","4","5","1") = "8"
    & skf18("3","9","9","8","4","6","1") = "8"
    & skf18("3","9","9","8","4","7","1") = "8"
    & skf18("3","9","9","8","4","8","1") = "8"
    & skf18("3","9","9","8","4","9","1") = "8"
    & skf18("3","9","9","8","4","10","1") = "9"
    & skf18("3","9","9","8","5","1","1") = "8"
    & skf18("3","9","9","8","5","2","1") = "8"
    & skf18("3","9","9","8","5","3","1") = "8"
    & skf18("3","9","9","8","5","4","1") = "8"
    & skf18("3","9","9","8","5","5","1") = "8"
    & skf18("3","9","9","8","5","6","1") = "8"
    & skf18("3","9","9","8","5","7","1") = "8"
    & skf18("3","9","9","8","5","8","1") = "8"
    & skf18("3","9","9","8","5","9","1") = "8"
    & skf18("3","9","9","8","5","10","1") = "9"
    & skf18("3","9","9","8","6","1","1") = "8"
    & skf18("3","9","9","8","6","2","1") = "8"
    & skf18("3","9","9","8","6","3","1") = "8"
    & skf18("3","9","9","8","6","4","1") = "8"
    & skf18("3","9","9","8","6","5","1") = "8"
    & skf18("3","9","9","8","6","6","1") = "8"
    & skf18("3","9","9","8","6","7","1") = "8"
    & skf18("3","9","9","8","6","8","1") = "8"
    & skf18("3","9","9","8","6","9","1") = "8"
    & skf18("3","9","9","8","6","10","1") = "9"
    & skf18("3","9","9","8","7","1","1") = "8"
    & skf18("3","9","9","8","7","2","1") = "8"
    & skf18("3","9","9","8","7","3","1") = "8"
    & skf18("3","9","9","8","7","4","1") = "8"
    & skf18("3","9","9","8","7","5","1") = "8"
    & skf18("3","9","9","8","7","6","1") = "8"
    & skf18("3","9","9","8","7","7","1") = "8"
    & skf18("3","9","9","8","7","8","1") = "8"
    & skf18("3","9","9","8","7","9","1") = "8"
    & skf18("3","9","9","8","7","10","1") = "9"
    & skf18("3","9","9","8","8","1","1") = "8"
    & skf18("3","9","9","8","8","2","1") = "8"
    & skf18("3","9","9","8","8","3","1") = "8"
    & skf18("3","9","9","8","8","4","1") = "8"
    & skf18("3","9","9","8","8","5","1") = "8"
    & skf18("3","9","9","8","8","6","1") = "8"
    & skf18("3","9","9","8","8","7","1") = "8"
    & skf18("3","9","9","8","8","8","1") = "8"
    & skf18("3","9","9","8","8","9","1") = "8"
    & skf18("3","9","9","8","8","10","1") = "9"
    & skf18("3","9","9","8","9","1","1") = "8"
    & skf18("3","9","9","8","9","2","1") = "8"
    & skf18("3","9","9","8","9","3","1") = "8"
    & skf18("3","9","9","8","9","4","1") = "8"
    & skf18("3","9","9","8","9","5","1") = "8"
    & skf18("3","9","9","8","9","6","1") = "8"
    & skf18("3","9","9","8","9","7","1") = "8"
    & skf18("3","9","9","8","9","8","1") = "8"
    & skf18("3","9","9","8","9","9","1") = "8"
    & skf18("3","9","9","8","9","10","1") = "9"
    & skf18("3","9","9","8","10","1","1") = "9"
    & skf18("3","9","9","8","10","2","1") = "9"
    & skf18("3","9","9","8","10","3","1") = "9"
    & skf18("3","9","9","8","10","4","1") = "9"
    & skf18("3","9","9","8","10","5","1") = "9"
    & skf18("3","9","9","8","10","6","1") = "9"
    & skf18("3","9","9","8","10","7","1") = "9"
    & skf18("3","9","9","8","10","8","1") = "9"
    & skf18("3","9","9","8","10","9","1") = "9"
    & skf18("3","9","9","8","10","10","1") = "9"
    & skf18("3","9","9","9","1","1","1") = "8"
    & skf18("3","9","9","9","1","2","1") = "8"
    & skf18("3","9","9","9","1","3","1") = "8"
    & skf18("3","9","9","9","1","4","1") = "8"
    & skf18("3","9","9","9","1","5","1") = "8"
    & skf18("3","9","9","9","1","6","1") = "8"
    & skf18("3","9","9","9","1","7","1") = "8"
    & skf18("3","9","9","9","1","8","1") = "8"
    & skf18("3","9","9","9","1","9","1") = "8"
    & skf18("3","9","9","9","1","10","1") = "9"
    & skf18("3","9","9","9","2","1","1") = "8"
    & skf18("3","9","9","9","2","2","1") = "8"
    & skf18("3","9","9","9","2","3","1") = "8"
    & skf18("3","9","9","9","2","4","1") = "8"
    & skf18("3","9","9","9","2","5","1") = "8"
    & skf18("3","9","9","9","2","6","1") = "8"
    & skf18("3","9","9","9","2","7","1") = "8"
    & skf18("3","9","9","9","2","8","1") = "8"
    & skf18("3","9","9","9","2","9","1") = "8"
    & skf18("3","9","9","9","2","10","1") = "9"
    & skf18("3","9","9","9","3","1","1") = "8"
    & skf18("3","9","9","9","3","2","1") = "8"
    & skf18("3","9","9","9","3","3","1") = "8"
    & skf18("3","9","9","9","3","4","1") = "8"
    & skf18("3","9","9","9","3","5","1") = "8"
    & skf18("3","9","9","9","3","6","1") = "8"
    & skf18("3","9","9","9","3","7","1") = "8"
    & skf18("3","9","9","9","3","8","1") = "8"
    & skf18("3","9","9","9","3","9","1") = "8"
    & skf18("3","9","9","9","3","10","1") = "9"
    & skf18("3","9","9","9","4","1","1") = "8"
    & skf18("3","9","9","9","4","2","1") = "8"
    & skf18("3","9","9","9","4","3","1") = "8"
    & skf18("3","9","9","9","4","4","1") = "8"
    & skf18("3","9","9","9","4","5","1") = "8"
    & skf18("3","9","9","9","4","6","1") = "8"
    & skf18("3","9","9","9","4","7","1") = "8"
    & skf18("3","9","9","9","4","8","1") = "8"
    & skf18("3","9","9","9","4","9","1") = "8"
    & skf18("3","9","9","9","4","10","1") = "9"
    & skf18("3","9","9","9","5","1","1") = "8"
    & skf18("3","9","9","9","5","2","1") = "8"
    & skf18("3","9","9","9","5","3","1") = "8"
    & skf18("3","9","9","9","5","4","1") = "8"
    & skf18("3","9","9","9","5","5","1") = "8"
    & skf18("3","9","9","9","5","6","1") = "8"
    & skf18("3","9","9","9","5","7","1") = "8"
    & skf18("3","9","9","9","5","8","1") = "8"
    & skf18("3","9","9","9","5","9","1") = "8"
    & skf18("3","9","9","9","5","10","1") = "9"
    & skf18("3","9","9","9","6","1","1") = "8"
    & skf18("3","9","9","9","6","2","1") = "8"
    & skf18("3","9","9","9","6","3","1") = "8"
    & skf18("3","9","9","9","6","4","1") = "8"
    & skf18("3","9","9","9","6","5","1") = "8"
    & skf18("3","9","9","9","6","6","1") = "8"
    & skf18("3","9","9","9","6","7","1") = "8"
    & skf18("3","9","9","9","6","8","1") = "8"
    & skf18("3","9","9","9","6","9","1") = "8"
    & skf18("3","9","9","9","6","10","1") = "9"
    & skf18("3","9","9","9","7","1","1") = "8"
    & skf18("3","9","9","9","7","2","1") = "8"
    & skf18("3","9","9","9","7","3","1") = "8"
    & skf18("3","9","9","9","7","4","1") = "8"
    & skf18("3","9","9","9","7","5","1") = "8"
    & skf18("3","9","9","9","7","6","1") = "8"
    & skf18("3","9","9","9","7","7","1") = "8"
    & skf18("3","9","9","9","7","8","1") = "8"
    & skf18("3","9","9","9","7","9","1") = "8"
    & skf18("3","9","9","9","7","10","1") = "9"
    & skf18("3","9","9","9","8","1","1") = "8"
    & skf18("3","9","9","9","8","2","1") = "8"
    & skf18("3","9","9","9","8","3","1") = "8"
    & skf18("3","9","9","9","8","4","1") = "8"
    & skf18("3","9","9","9","8","5","1") = "8"
    & skf18("3","9","9","9","8","6","1") = "8"
    & skf18("3","9","9","9","8","7","1") = "8"
    & skf18("3","9","9","9","8","8","1") = "8"
    & skf18("3","9","9","9","8","9","1") = "8"
    & skf18("3","9","9","9","8","10","1") = "9"
    & skf18("3","9","9","9","9","1","1") = "8"
    & skf18("3","9","9","9","9","2","1") = "8"
    & skf18("3","9","9","9","9","3","1") = "8"
    & skf18("3","9","9","9","9","4","1") = "8"
    & skf18("3","9","9","9","9","5","1") = "8"
    & skf18("3","9","9","9","9","6","1") = "8"
    & skf18("3","9","9","9","9","7","1") = "8"
    & skf18("3","9","9","9","9","8","1") = "8"
    & skf18("3","9","9","9","9","9","1") = "8"
    & skf18("3","9","9","9","9","10","1") = "9"
    & skf18("3","9","9","9","10","1","1") = "9"
    & skf18("3","9","9","9","10","2","1") = "9"
    & skf18("3","9","9","9","10","3","1") = "9"
    & skf18("3","9","9","9","10","4","1") = "9"
    & skf18("3","9","9","9","10","5","1") = "9"
    & skf18("3","9","9","9","10","6","1") = "9"
    & skf18("3","9","9","9","10","7","1") = "9"
    & skf18("3","9","9","9","10","8","1") = "9"
    & skf18("3","9","9","9","10","9","1") = "9"
    & skf18("3","9","9","9","10","10","1") = "9"
    & skf18("3","9","9","10","1","1","1") = "9"
    & skf18("3","9","9","10","1","2","1") = "9"
    & skf18("3","9","9","10","1","3","1") = "9"
    & skf18("3","9","9","10","1","4","1") = "9"
    & skf18("3","9","9","10","1","5","1") = "9"
    & skf18("3","9","9","10","1","6","1") = "9"
    & skf18("3","9","9","10","1","7","1") = "9"
    & skf18("3","9","9","10","1","8","1") = "9"
    & skf18("3","9","9","10","1","9","1") = "9"
    & skf18("3","9","9","10","1","10","1") = "9"
    & skf18("3","9","9","10","2","1","1") = "9"
    & skf18("3","9","9","10","2","2","1") = "9"
    & skf18("3","9","9","10","2","3","1") = "9"
    & skf18("3","9","9","10","2","4","1") = "9"
    & skf18("3","9","9","10","2","5","1") = "9"
    & skf18("3","9","9","10","2","6","1") = "9"
    & skf18("3","9","9","10","2","7","1") = "9"
    & skf18("3","9","9","10","2","8","1") = "9"
    & skf18("3","9","9","10","2","9","1") = "9"
    & skf18("3","9","9","10","2","10","1") = "9"
    & skf18("3","9","9","10","3","1","1") = "9"
    & skf18("3","9","9","10","3","2","1") = "9"
    & skf18("3","9","9","10","3","3","1") = "9"
    & skf18("3","9","9","10","3","4","1") = "9"
    & skf18("3","9","9","10","3","5","1") = "9"
    & skf18("3","9","9","10","3","6","1") = "9"
    & skf18("3","9","9","10","3","7","1") = "9"
    & skf18("3","9","9","10","3","8","1") = "9"
    & skf18("3","9","9","10","3","9","1") = "9"
    & skf18("3","9","9","10","3","10","1") = "9"
    & skf18("3","9","9","10","4","1","1") = "9"
    & skf18("3","9","9","10","4","2","1") = "9"
    & skf18("3","9","9","10","4","3","1") = "9"
    & skf18("3","9","9","10","4","4","1") = "9"
    & skf18("3","9","9","10","4","5","1") = "9"
    & skf18("3","9","9","10","4","6","1") = "9"
    & skf18("3","9","9","10","4","7","1") = "9"
    & skf18("3","9","9","10","4","8","1") = "9"
    & skf18("3","9","9","10","4","9","1") = "9"
    & skf18("3","9","9","10","4","10","1") = "9"
    & skf18("3","9","9","10","5","1","1") = "9"
    & skf18("3","9","9","10","5","2","1") = "9"
    & skf18("3","9","9","10","5","3","1") = "9"
    & skf18("3","9","9","10","5","4","1") = "9"
    & skf18("3","9","9","10","5","5","1") = "9"
    & skf18("3","9","9","10","5","6","1") = "9"
    & skf18("3","9","9","10","5","7","1") = "9"
    & skf18("3","9","9","10","5","8","1") = "9"
    & skf18("3","9","9","10","5","9","1") = "9"
    & skf18("3","9","9","10","5","10","1") = "9"
    & skf18("3","9","9","10","6","1","1") = "9"
    & skf18("3","9","9","10","6","2","1") = "9"
    & skf18("3","9","9","10","6","3","1") = "9"
    & skf18("3","9","9","10","6","4","1") = "9"
    & skf18("3","9","9","10","6","5","1") = "9"
    & skf18("3","9","9","10","6","6","1") = "9"
    & skf18("3","9","9","10","6","7","1") = "9"
    & skf18("3","9","9","10","6","8","1") = "9"
    & skf18("3","9","9","10","6","9","1") = "9"
    & skf18("3","9","9","10","6","10","1") = "9"
    & skf18("3","9","9","10","7","1","1") = "9"
    & skf18("3","9","9","10","7","2","1") = "9"
    & skf18("3","9","9","10","7","3","1") = "9"
    & skf18("3","9","9","10","7","4","1") = "9"
    & skf18("3","9","9","10","7","5","1") = "9"
    & skf18("3","9","9","10","7","6","1") = "9"
    & skf18("3","9","9","10","7","7","1") = "9"
    & skf18("3","9","9","10","7","8","1") = "9"
    & skf18("3","9","9","10","7","9","1") = "9"
    & skf18("3","9","9","10","7","10","1") = "9"
    & skf18("3","9","9","10","8","1","1") = "9"
    & skf18("3","9","9","10","8","2","1") = "9"
    & skf18("3","9","9","10","8","3","1") = "9"
    & skf18("3","9","9","10","8","4","1") = "9"
    & skf18("3","9","9","10","8","5","1") = "9"
    & skf18("3","9","9","10","8","6","1") = "9"
    & skf18("3","9","9","10","8","7","1") = "9"
    & skf18("3","9","9","10","8","8","1") = "9"
    & skf18("3","9","9","10","8","9","1") = "9"
    & skf18("3","9","9","10","8","10","1") = "9"
    & skf18("3","9","9","10","9","1","1") = "9"
    & skf18("3","9","9","10","9","2","1") = "9"
    & skf18("3","9","9","10","9","3","1") = "9"
    & skf18("3","9","9","10","9","4","1") = "9"
    & skf18("3","9","9","10","9","5","1") = "9"
    & skf18("3","9","9","10","9","6","1") = "9"
    & skf18("3","9","9","10","9","7","1") = "9"
    & skf18("3","9","9","10","9","8","1") = "9"
    & skf18("3","9","9","10","9","9","1") = "9"
    & skf18("3","9","9","10","9","10","1") = "9"
    & skf18("3","9","9","10","10","1","1") = "9"
    & skf18("3","9","9","10","10","2","1") = "9"
    & skf18("3","9","9","10","10","3","1") = "9"
    & skf18("3","9","9","10","10","4","1") = "9"
    & skf18("3","9","9","10","10","5","1") = "9"
    & skf18("3","9","9","10","10","6","1") = "9"
    & skf18("3","9","9","10","10","7","1") = "9"
    & skf18("3","9","9","10","10","8","1") = "9"
    & skf18("3","9","9","10","10","9","1") = "9"
    & skf18("3","9","9","10","10","10","1") = "9"
    & skf18("3","9","10","1","1","1","1") = "9"
    & skf18("3","9","10","1","1","2","1") = "9"
    & skf18("3","9","10","1","1","3","1") = "9"
    & skf18("3","9","10","1","1","4","1") = "9"
    & skf18("3","9","10","1","1","5","1") = "9"
    & skf18("3","9","10","1","1","6","1") = "9"
    & skf18("3","9","10","1","1","7","1") = "9"
    & skf18("3","9","10","1","1","8","1") = "9"
    & skf18("3","9","10","1","1","9","1") = "9"
    & skf18("3","9","10","1","1","10","1") = "9"
    & skf18("3","9","10","1","2","1","1") = "9"
    & skf18("3","9","10","1","2","2","1") = "9"
    & skf18("3","9","10","1","2","3","1") = "9"
    & skf18("3","9","10","1","2","4","1") = "9"
    & skf18("3","9","10","1","2","5","1") = "9"
    & skf18("3","9","10","1","2","6","1") = "9"
    & skf18("3","9","10","1","2","7","1") = "9"
    & skf18("3","9","10","1","2","8","1") = "9"
    & skf18("3","9","10","1","2","9","1") = "9"
    & skf18("3","9","10","1","2","10","1") = "9"
    & skf18("3","9","10","1","3","1","1") = "9"
    & skf18("3","9","10","1","3","2","1") = "9"
    & skf18("3","9","10","1","3","3","1") = "9"
    & skf18("3","9","10","1","3","4","1") = "9"
    & skf18("3","9","10","1","3","5","1") = "9"
    & skf18("3","9","10","1","3","6","1") = "9"
    & skf18("3","9","10","1","3","7","1") = "9"
    & skf18("3","9","10","1","3","8","1") = "9"
    & skf18("3","9","10","1","3","9","1") = "9"
    & skf18("3","9","10","1","3","10","1") = "9"
    & skf18("3","9","10","1","4","1","1") = "9"
    & skf18("3","9","10","1","4","2","1") = "9"
    & skf18("3","9","10","1","4","3","1") = "9"
    & skf18("3","9","10","1","4","4","1") = "9"
    & skf18("3","9","10","1","4","5","1") = "9"
    & skf18("3","9","10","1","4","6","1") = "9"
    & skf18("3","9","10","1","4","7","1") = "9"
    & skf18("3","9","10","1","4","8","1") = "9"
    & skf18("3","9","10","1","4","9","1") = "9"
    & skf18("3","9","10","1","4","10","1") = "9"
    & skf18("3","9","10","1","5","1","1") = "9"
    & skf18("3","9","10","1","5","2","1") = "9"
    & skf18("3","9","10","1","5","3","1") = "9"
    & skf18("3","9","10","1","5","4","1") = "9"
    & skf18("3","9","10","1","5","5","1") = "9"
    & skf18("3","9","10","1","5","6","1") = "9"
    & skf18("3","9","10","1","5","7","1") = "9"
    & skf18("3","9","10","1","5","8","1") = "9"
    & skf18("3","9","10","1","5","9","1") = "9"
    & skf18("3","9","10","1","5","10","1") = "9"
    & skf18("3","9","10","1","6","1","1") = "9"
    & skf18("3","9","10","1","6","2","1") = "9"
    & skf18("3","9","10","1","6","3","1") = "9"
    & skf18("3","9","10","1","6","4","1") = "9"
    & skf18("3","9","10","1","6","5","1") = "9"
    & skf18("3","9","10","1","6","6","1") = "9"
    & skf18("3","9","10","1","6","7","1") = "9"
    & skf18("3","9","10","1","6","8","1") = "9"
    & skf18("3","9","10","1","6","9","1") = "9"
    & skf18("3","9","10","1","6","10","1") = "9"
    & skf18("3","9","10","1","7","1","1") = "9"
    & skf18("3","9","10","1","7","2","1") = "9"
    & skf18("3","9","10","1","7","3","1") = "9"
    & skf18("3","9","10","1","7","4","1") = "9"
    & skf18("3","9","10","1","7","5","1") = "9"
    & skf18("3","9","10","1","7","6","1") = "9"
    & skf18("3","9","10","1","7","7","1") = "9"
    & skf18("3","9","10","1","7","8","1") = "9"
    & skf18("3","9","10","1","7","9","1") = "9"
    & skf18("3","9","10","1","7","10","1") = "9"
    & skf18("3","9","10","1","8","1","1") = "9"
    & skf18("3","9","10","1","8","2","1") = "9"
    & skf18("3","9","10","1","8","3","1") = "9"
    & skf18("3","9","10","1","8","4","1") = "9"
    & skf18("3","9","10","1","8","5","1") = "9"
    & skf18("3","9","10","1","8","6","1") = "9"
    & skf18("3","9","10","1","8","7","1") = "9"
    & skf18("3","9","10","1","8","8","1") = "9"
    & skf18("3","9","10","1","8","9","1") = "9"
    & skf18("3","9","10","1","8","10","1") = "9"
    & skf18("3","9","10","1","9","1","1") = "9"
    & skf18("3","9","10","1","9","2","1") = "9"
    & skf18("3","9","10","1","9","3","1") = "9"
    & skf18("3","9","10","1","9","4","1") = "9"
    & skf18("3","9","10","1","9","5","1") = "9"
    & skf18("3","9","10","1","9","6","1") = "9"
    & skf18("3","9","10","1","9","7","1") = "9"
    & skf18("3","9","10","1","9","8","1") = "9"
    & skf18("3","9","10","1","9","9","1") = "9"
    & skf18("3","9","10","1","9","10","1") = "9"
    & skf18("3","9","10","1","10","1","1") = "9"
    & skf18("3","9","10","1","10","2","1") = "9"
    & skf18("3","9","10","1","10","3","1") = "9"
    & skf18("3","9","10","1","10","4","1") = "9"
    & skf18("3","9","10","1","10","5","1") = "9"
    & skf18("3","9","10","1","10","6","1") = "9"
    & skf18("3","9","10","1","10","7","1") = "9"
    & skf18("3","9","10","1","10","8","1") = "9"
    & skf18("3","9","10","1","10","9","1") = "9"
    & skf18("3","9","10","1","10","10","1") = "9"
    & skf18("3","9","10","2","1","1","1") = "9"
    & skf18("3","9","10","2","1","2","1") = "9"
    & skf18("3","9","10","2","1","3","1") = "9"
    & skf18("3","9","10","2","1","4","1") = "9"
    & skf18("3","9","10","2","1","5","1") = "9"
    & skf18("3","9","10","2","1","6","1") = "9"
    & skf18("3","9","10","2","1","7","1") = "9"
    & skf18("3","9","10","2","1","8","1") = "9"
    & skf18("3","9","10","2","1","9","1") = "9"
    & skf18("3","9","10","2","1","10","1") = "9"
    & skf18("3","9","10","2","2","1","1") = "9"
    & skf18("3","9","10","2","2","2","1") = "9"
    & skf18("3","9","10","2","2","3","1") = "9"
    & skf18("3","9","10","2","2","4","1") = "9"
    & skf18("3","9","10","2","2","5","1") = "9"
    & skf18("3","9","10","2","2","6","1") = "9"
    & skf18("3","9","10","2","2","7","1") = "9"
    & skf18("3","9","10","2","2","8","1") = "9"
    & skf18("3","9","10","2","2","9","1") = "9"
    & skf18("3","9","10","2","2","10","1") = "9"
    & skf18("3","9","10","2","3","1","1") = "9"
    & skf18("3","9","10","2","3","2","1") = "9"
    & skf18("3","9","10","2","3","3","1") = "9"
    & skf18("3","9","10","2","3","4","1") = "9"
    & skf18("3","9","10","2","3","5","1") = "9"
    & skf18("3","9","10","2","3","6","1") = "9"
    & skf18("3","9","10","2","3","7","1") = "9"
    & skf18("3","9","10","2","3","8","1") = "9"
    & skf18("3","9","10","2","3","9","1") = "9"
    & skf18("3","9","10","2","3","10","1") = "9"
    & skf18("3","9","10","2","4","1","1") = "9"
    & skf18("3","9","10","2","4","2","1") = "9"
    & skf18("3","9","10","2","4","3","1") = "9"
    & skf18("3","9","10","2","4","4","1") = "9"
    & skf18("3","9","10","2","4","5","1") = "9"
    & skf18("3","9","10","2","4","6","1") = "9"
    & skf18("3","9","10","2","4","7","1") = "9"
    & skf18("3","9","10","2","4","8","1") = "9"
    & skf18("3","9","10","2","4","9","1") = "9"
    & skf18("3","9","10","2","4","10","1") = "9"
    & skf18("3","9","10","2","5","1","1") = "9"
    & skf18("3","9","10","2","5","2","1") = "9"
    & skf18("3","9","10","2","5","3","1") = "9"
    & skf18("3","9","10","2","5","4","1") = "9"
    & skf18("3","9","10","2","5","5","1") = "9"
    & skf18("3","9","10","2","5","6","1") = "9"
    & skf18("3","9","10","2","5","7","1") = "9"
    & skf18("3","9","10","2","5","8","1") = "9"
    & skf18("3","9","10","2","5","9","1") = "9"
    & skf18("3","9","10","2","5","10","1") = "9"
    & skf18("3","9","10","2","6","1","1") = "9"
    & skf18("3","9","10","2","6","2","1") = "9"
    & skf18("3","9","10","2","6","3","1") = "9"
    & skf18("3","9","10","2","6","4","1") = "9"
    & skf18("3","9","10","2","6","5","1") = "9"
    & skf18("3","9","10","2","6","6","1") = "9"
    & skf18("3","9","10","2","6","7","1") = "9"
    & skf18("3","9","10","2","6","8","1") = "9"
    & skf18("3","9","10","2","6","9","1") = "9"
    & skf18("3","9","10","2","6","10","1") = "9"
    & skf18("3","9","10","2","7","1","1") = "9"
    & skf18("3","9","10","2","7","2","1") = "9"
    & skf18("3","9","10","2","7","3","1") = "9"
    & skf18("3","9","10","2","7","4","1") = "9"
    & skf18("3","9","10","2","7","5","1") = "9"
    & skf18("3","9","10","2","7","6","1") = "9"
    & skf18("3","9","10","2","7","7","1") = "9"
    & skf18("3","9","10","2","7","8","1") = "9"
    & skf18("3","9","10","2","7","9","1") = "9"
    & skf18("3","9","10","2","7","10","1") = "9"
    & skf18("3","9","10","2","8","1","1") = "9"
    & skf18("3","9","10","2","8","2","1") = "9"
    & skf18("3","9","10","2","8","3","1") = "9"
    & skf18("3","9","10","2","8","4","1") = "9"
    & skf18("3","9","10","2","8","5","1") = "9"
    & skf18("3","9","10","2","8","6","1") = "9"
    & skf18("3","9","10","2","8","7","1") = "9"
    & skf18("3","9","10","2","8","8","1") = "9"
    & skf18("3","9","10","2","8","9","1") = "9"
    & skf18("3","9","10","2","8","10","1") = "9"
    & skf18("3","9","10","2","9","1","1") = "9"
    & skf18("3","9","10","2","9","2","1") = "9"
    & skf18("3","9","10","2","9","3","1") = "9"
    & skf18("3","9","10","2","9","4","1") = "9"
    & skf18("3","9","10","2","9","5","1") = "9"
    & skf18("3","9","10","2","9","6","1") = "9"
    & skf18("3","9","10","2","9","7","1") = "9"
    & skf18("3","9","10","2","9","8","1") = "9"
    & skf18("3","9","10","2","9","9","1") = "9"
    & skf18("3","9","10","2","9","10","1") = "9"
    & skf18("3","9","10","2","10","1","1") = "9"
    & skf18("3","9","10","2","10","2","1") = "9"
    & skf18("3","9","10","2","10","3","1") = "9"
    & skf18("3","9","10","2","10","4","1") = "9"
    & skf18("3","9","10","2","10","5","1") = "9"
    & skf18("3","9","10","2","10","6","1") = "9"
    & skf18("3","9","10","2","10","7","1") = "9"
    & skf18("3","9","10","2","10","8","1") = "9"
    & skf18("3","9","10","2","10","9","1") = "9"
    & skf18("3","9","10","2","10","10","1") = "9"
    & skf18("3","9","10","3","1","1","1") = "9"
    & skf18("3","9","10","3","1","2","1") = "9"
    & skf18("3","9","10","3","1","3","1") = "9"
    & skf18("3","9","10","3","1","4","1") = "9"
    & skf18("3","9","10","3","1","5","1") = "9"
    & skf18("3","9","10","3","1","6","1") = "9"
    & skf18("3","9","10","3","1","7","1") = "9"
    & skf18("3","9","10","3","1","8","1") = "9"
    & skf18("3","9","10","3","1","9","1") = "9"
    & skf18("3","9","10","3","1","10","1") = "9"
    & skf18("3","9","10","3","2","1","1") = "9"
    & skf18("3","9","10","3","2","2","1") = "9"
    & skf18("3","9","10","3","2","3","1") = "9"
    & skf18("3","9","10","3","2","4","1") = "9"
    & skf18("3","9","10","3","2","5","1") = "9"
    & skf18("3","9","10","3","2","6","1") = "9"
    & skf18("3","9","10","3","2","7","1") = "9"
    & skf18("3","9","10","3","2","8","1") = "9"
    & skf18("3","9","10","3","2","9","1") = "9"
    & skf18("3","9","10","3","2","10","1") = "9"
    & skf18("3","9","10","3","3","1","1") = "9"
    & skf18("3","9","10","3","3","2","1") = "9"
    & skf18("3","9","10","3","3","3","1") = "9"
    & skf18("3","9","10","3","3","4","1") = "9"
    & skf18("3","9","10","3","3","5","1") = "9"
    & skf18("3","9","10","3","3","6","1") = "9"
    & skf18("3","9","10","3","3","7","1") = "9"
    & skf18("3","9","10","3","3","8","1") = "9"
    & skf18("3","9","10","3","3","9","1") = "9"
    & skf18("3","9","10","3","3","10","1") = "9"
    & skf18("3","9","10","3","4","1","1") = "9"
    & skf18("3","9","10","3","4","2","1") = "9"
    & skf18("3","9","10","3","4","3","1") = "9"
    & skf18("3","9","10","3","4","4","1") = "9"
    & skf18("3","9","10","3","4","5","1") = "9"
    & skf18("3","9","10","3","4","6","1") = "9"
    & skf18("3","9","10","3","4","7","1") = "9"
    & skf18("3","9","10","3","4","8","1") = "9"
    & skf18("3","9","10","3","4","9","1") = "9"
    & skf18("3","9","10","3","4","10","1") = "9"
    & skf18("3","9","10","3","5","1","1") = "9"
    & skf18("3","9","10","3","5","2","1") = "9"
    & skf18("3","9","10","3","5","3","1") = "9"
    & skf18("3","9","10","3","5","4","1") = "9"
    & skf18("3","9","10","3","5","5","1") = "9"
    & skf18("3","9","10","3","5","6","1") = "9"
    & skf18("3","9","10","3","5","7","1") = "9"
    & skf18("3","9","10","3","5","8","1") = "9"
    & skf18("3","9","10","3","5","9","1") = "9"
    & skf18("3","9","10","3","5","10","1") = "9"
    & skf18("3","9","10","3","6","1","1") = "9"
    & skf18("3","9","10","3","6","2","1") = "9"
    & skf18("3","9","10","3","6","3","1") = "9"
    & skf18("3","9","10","3","6","4","1") = "9"
    & skf18("3","9","10","3","6","5","1") = "9"
    & skf18("3","9","10","3","6","6","1") = "9"
    & skf18("3","9","10","3","6","7","1") = "9"
    & skf18("3","9","10","3","6","8","1") = "9"
    & skf18("3","9","10","3","6","9","1") = "9"
    & skf18("3","9","10","3","6","10","1") = "9"
    & skf18("3","9","10","3","7","1","1") = "9"
    & skf18("3","9","10","3","7","2","1") = "9"
    & skf18("3","9","10","3","7","3","1") = "9"
    & skf18("3","9","10","3","7","4","1") = "9"
    & skf18("3","9","10","3","7","5","1") = "9"
    & skf18("3","9","10","3","7","6","1") = "9"
    & skf18("3","9","10","3","7","7","1") = "9"
    & skf18("3","9","10","3","7","8","1") = "9"
    & skf18("3","9","10","3","7","9","1") = "9"
    & skf18("3","9","10","3","7","10","1") = "9"
    & skf18("3","9","10","3","8","1","1") = "9"
    & skf18("3","9","10","3","8","2","1") = "9"
    & skf18("3","9","10","3","8","3","1") = "9"
    & skf18("3","9","10","3","8","4","1") = "9"
    & skf18("3","9","10","3","8","5","1") = "9"
    & skf18("3","9","10","3","8","6","1") = "9"
    & skf18("3","9","10","3","8","7","1") = "9"
    & skf18("3","9","10","3","8","8","1") = "9"
    & skf18("3","9","10","3","8","9","1") = "9"
    & skf18("3","9","10","3","8","10","1") = "9"
    & skf18("3","9","10","3","9","1","1") = "9"
    & skf18("3","9","10","3","9","2","1") = "9"
    & skf18("3","9","10","3","9","3","1") = "9"
    & skf18("3","9","10","3","9","4","1") = "9"
    & skf18("3","9","10","3","9","5","1") = "9"
    & skf18("3","9","10","3","9","6","1") = "9"
    & skf18("3","9","10","3","9","7","1") = "9"
    & skf18("3","9","10","3","9","8","1") = "9"
    & skf18("3","9","10","3","9","9","1") = "9"
    & skf18("3","9","10","3","9","10","1") = "9"
    & skf18("3","9","10","3","10","1","1") = "9"
    & skf18("3","9","10","3","10","2","1") = "9"
    & skf18("3","9","10","3","10","3","1") = "9"
    & skf18("3","9","10","3","10","4","1") = "9"
    & skf18("3","9","10","3","10","5","1") = "9"
    & skf18("3","9","10","3","10","6","1") = "9"
    & skf18("3","9","10","3","10","7","1") = "9"
    & skf18("3","9","10","3","10","8","1") = "9"
    & skf18("3","9","10","3","10","9","1") = "9"
    & skf18("3","9","10","3","10","10","1") = "9"
    & skf18("3","9","10","4","1","1","1") = "9"
    & skf18("3","9","10","4","1","2","1") = "9"
    & skf18("3","9","10","4","1","3","1") = "9"
    & skf18("3","9","10","4","1","4","1") = "9"
    & skf18("3","9","10","4","1","5","1") = "9"
    & skf18("3","9","10","4","1","6","1") = "9"
    & skf18("3","9","10","4","1","7","1") = "9"
    & skf18("3","9","10","4","1","8","1") = "9"
    & skf18("3","9","10","4","1","9","1") = "9"
    & skf18("3","9","10","4","1","10","1") = "9"
    & skf18("3","9","10","4","2","1","1") = "9"
    & skf18("3","9","10","4","2","2","1") = "9"
    & skf18("3","9","10","4","2","3","1") = "9"
    & skf18("3","9","10","4","2","4","1") = "9"
    & skf18("3","9","10","4","2","5","1") = "9"
    & skf18("3","9","10","4","2","6","1") = "9"
    & skf18("3","9","10","4","2","7","1") = "9"
    & skf18("3","9","10","4","2","8","1") = "9"
    & skf18("3","9","10","4","2","9","1") = "9"
    & skf18("3","9","10","4","2","10","1") = "9"
    & skf18("3","9","10","4","3","1","1") = "9"
    & skf18("3","9","10","4","3","2","1") = "9"
    & skf18("3","9","10","4","3","3","1") = "9"
    & skf18("3","9","10","4","3","4","1") = "9"
    & skf18("3","9","10","4","3","5","1") = "9"
    & skf18("3","9","10","4","3","6","1") = "9"
    & skf18("3","9","10","4","3","7","1") = "9"
    & skf18("3","9","10","4","3","8","1") = "9"
    & skf18("3","9","10","4","3","9","1") = "9"
    & skf18("3","9","10","4","3","10","1") = "9"
    & skf18("3","9","10","4","4","1","1") = "9"
    & skf18("3","9","10","4","4","2","1") = "9"
    & skf18("3","9","10","4","4","3","1") = "9"
    & skf18("3","9","10","4","4","4","1") = "9"
    & skf18("3","9","10","4","4","5","1") = "9"
    & skf18("3","9","10","4","4","6","1") = "9"
    & skf18("3","9","10","4","4","7","1") = "9"
    & skf18("3","9","10","4","4","8","1") = "9"
    & skf18("3","9","10","4","4","9","1") = "9"
    & skf18("3","9","10","4","4","10","1") = "9"
    & skf18("3","9","10","4","5","1","1") = "9"
    & skf18("3","9","10","4","5","2","1") = "9"
    & skf18("3","9","10","4","5","3","1") = "9"
    & skf18("3","9","10","4","5","4","1") = "9"
    & skf18("3","9","10","4","5","5","1") = "9"
    & skf18("3","9","10","4","5","6","1") = "9"
    & skf18("3","9","10","4","5","7","1") = "9"
    & skf18("3","9","10","4","5","8","1") = "9"
    & skf18("3","9","10","4","5","9","1") = "9"
    & skf18("3","9","10","4","5","10","1") = "9"
    & skf18("3","9","10","4","6","1","1") = "9"
    & skf18("3","9","10","4","6","2","1") = "9"
    & skf18("3","9","10","4","6","3","1") = "9"
    & skf18("3","9","10","4","6","4","1") = "9"
    & skf18("3","9","10","4","6","5","1") = "9"
    & skf18("3","9","10","4","6","6","1") = "9"
    & skf18("3","9","10","4","6","7","1") = "9"
    & skf18("3","9","10","4","6","8","1") = "9"
    & skf18("3","9","10","4","6","9","1") = "9"
    & skf18("3","9","10","4","6","10","1") = "9"
    & skf18("3","9","10","4","7","1","1") = "9"
    & skf18("3","9","10","4","7","2","1") = "9"
    & skf18("3","9","10","4","7","3","1") = "9"
    & skf18("3","9","10","4","7","4","1") = "9"
    & skf18("3","9","10","4","7","5","1") = "9"
    & skf18("3","9","10","4","7","6","1") = "9"
    & skf18("3","9","10","4","7","7","1") = "9"
    & skf18("3","9","10","4","7","8","1") = "9"
    & skf18("3","9","10","4","7","9","1") = "9"
    & skf18("3","9","10","4","7","10","1") = "9"
    & skf18("3","9","10","4","8","1","1") = "9"
    & skf18("3","9","10","4","8","2","1") = "9"
    & skf18("3","9","10","4","8","3","1") = "9"
    & skf18("3","9","10","4","8","4","1") = "9"
    & skf18("3","9","10","4","8","5","1") = "9"
    & skf18("3","9","10","4","8","6","1") = "9"
    & skf18("3","9","10","4","8","7","1") = "9"
    & skf18("3","9","10","4","8","8","1") = "9"
    & skf18("3","9","10","4","8","9","1") = "9"
    & skf18("3","9","10","4","8","10","1") = "9"
    & skf18("3","9","10","4","9","1","1") = "9"
    & skf18("3","9","10","4","9","2","1") = "9"
    & skf18("3","9","10","4","9","3","1") = "9"
    & skf18("3","9","10","4","9","4","1") = "9"
    & skf18("3","9","10","4","9","5","1") = "9"
    & skf18("3","9","10","4","9","6","1") = "9"
    & skf18("3","9","10","4","9","7","1") = "9"
    & skf18("3","9","10","4","9","8","1") = "9"
    & skf18("3","9","10","4","9","9","1") = "9"
    & skf18("3","9","10","4","9","10","1") = "9"
    & skf18("3","9","10","4","10","1","1") = "9"
    & skf18("3","9","10","4","10","2","1") = "9"
    & skf18("3","9","10","4","10","3","1") = "9"
    & skf18("3","9","10","4","10","4","1") = "9"
    & skf18("3","9","10","4","10","5","1") = "9"
    & skf18("3","9","10","4","10","6","1") = "9"
    & skf18("3","9","10","4","10","7","1") = "9"
    & skf18("3","9","10","4","10","8","1") = "9"
    & skf18("3","9","10","4","10","9","1") = "9"
    & skf18("3","9","10","4","10","10","1") = "9"
    & skf18("3","9","10","5","1","1","1") = "9"
    & skf18("3","9","10","5","1","2","1") = "9"
    & skf18("3","9","10","5","1","3","1") = "9"
    & skf18("3","9","10","5","1","4","1") = "9"
    & skf18("3","9","10","5","1","5","1") = "9"
    & skf18("3","9","10","5","1","6","1") = "9"
    & skf18("3","9","10","5","1","7","1") = "9"
    & skf18("3","9","10","5","1","8","1") = "9"
    & skf18("3","9","10","5","1","9","1") = "9"
    & skf18("3","9","10","5","1","10","1") = "9"
    & skf18("3","9","10","5","2","1","1") = "9"
    & skf18("3","9","10","5","2","2","1") = "9"
    & skf18("3","9","10","5","2","3","1") = "9"
    & skf18("3","9","10","5","2","4","1") = "9"
    & skf18("3","9","10","5","2","5","1") = "9"
    & skf18("3","9","10","5","2","6","1") = "9"
    & skf18("3","9","10","5","2","7","1") = "9"
    & skf18("3","9","10","5","2","8","1") = "9"
    & skf18("3","9","10","5","2","9","1") = "9"
    & skf18("3","9","10","5","2","10","1") = "9"
    & skf18("3","9","10","5","3","1","1") = "9"
    & skf18("3","9","10","5","3","2","1") = "9"
    & skf18("3","9","10","5","3","3","1") = "9"
    & skf18("3","9","10","5","3","4","1") = "9"
    & skf18("3","9","10","5","3","5","1") = "9"
    & skf18("3","9","10","5","3","6","1") = "9"
    & skf18("3","9","10","5","3","7","1") = "9"
    & skf18("3","9","10","5","3","8","1") = "9"
    & skf18("3","9","10","5","3","9","1") = "9"
    & skf18("3","9","10","5","3","10","1") = "9"
    & skf18("3","9","10","5","4","1","1") = "9"
    & skf18("3","9","10","5","4","2","1") = "9"
    & skf18("3","9","10","5","4","3","1") = "9"
    & skf18("3","9","10","5","4","4","1") = "9"
    & skf18("3","9","10","5","4","5","1") = "9"
    & skf18("3","9","10","5","4","6","1") = "9"
    & skf18("3","9","10","5","4","7","1") = "9"
    & skf18("3","9","10","5","4","8","1") = "9"
    & skf18("3","9","10","5","4","9","1") = "9"
    & skf18("3","9","10","5","4","10","1") = "9"
    & skf18("3","9","10","5","5","1","1") = "9"
    & skf18("3","9","10","5","5","2","1") = "9"
    & skf18("3","9","10","5","5","3","1") = "9"
    & skf18("3","9","10","5","5","4","1") = "9"
    & skf18("3","9","10","5","5","5","1") = "9"
    & skf18("3","9","10","5","5","6","1") = "9"
    & skf18("3","9","10","5","5","7","1") = "9"
    & skf18("3","9","10","5","5","8","1") = "9"
    & skf18("3","9","10","5","5","9","1") = "9"
    & skf18("3","9","10","5","5","10","1") = "9"
    & skf18("3","9","10","5","6","1","1") = "9"
    & skf18("3","9","10","5","6","2","1") = "9"
    & skf18("3","9","10","5","6","3","1") = "9"
    & skf18("3","9","10","5","6","4","1") = "9"
    & skf18("3","9","10","5","6","5","1") = "9"
    & skf18("3","9","10","5","6","6","1") = "9"
    & skf18("3","9","10","5","6","7","1") = "9"
    & skf18("3","9","10","5","6","8","1") = "9"
    & skf18("3","9","10","5","6","9","1") = "9"
    & skf18("3","9","10","5","6","10","1") = "9"
    & skf18("3","9","10","5","7","1","1") = "9"
    & skf18("3","9","10","5","7","2","1") = "9"
    & skf18("3","9","10","5","7","3","1") = "9"
    & skf18("3","9","10","5","7","4","1") = "9"
    & skf18("3","9","10","5","7","5","1") = "9"
    & skf18("3","9","10","5","7","6","1") = "9"
    & skf18("3","9","10","5","7","7","1") = "9"
    & skf18("3","9","10","5","7","8","1") = "9"
    & skf18("3","9","10","5","7","9","1") = "9"
    & skf18("3","9","10","5","7","10","1") = "9"
    & skf18("3","9","10","5","8","1","1") = "9"
    & skf18("3","9","10","5","8","2","1") = "9"
    & skf18("3","9","10","5","8","3","1") = "9"
    & skf18("3","9","10","5","8","4","1") = "9"
    & skf18("3","9","10","5","8","5","1") = "9"
    & skf18("3","9","10","5","8","6","1") = "9"
    & skf18("3","9","10","5","8","7","1") = "9"
    & skf18("3","9","10","5","8","8","1") = "9"
    & skf18("3","9","10","5","8","9","1") = "9"
    & skf18("3","9","10","5","8","10","1") = "9"
    & skf18("3","9","10","5","9","1","1") = "9"
    & skf18("3","9","10","5","9","2","1") = "9"
    & skf18("3","9","10","5","9","3","1") = "9"
    & skf18("3","9","10","5","9","4","1") = "9"
    & skf18("3","9","10","5","9","5","1") = "9"
    & skf18("3","9","10","5","9","6","1") = "9"
    & skf18("3","9","10","5","9","7","1") = "9"
    & skf18("3","9","10","5","9","8","1") = "9"
    & skf18("3","9","10","5","9","9","1") = "9"
    & skf18("3","9","10","5","9","10","1") = "9"
    & skf18("3","9","10","5","10","1","1") = "9"
    & skf18("3","9","10","5","10","2","1") = "9"
    & skf18("3","9","10","5","10","3","1") = "9"
    & skf18("3","9","10","5","10","4","1") = "9"
    & skf18("3","9","10","5","10","5","1") = "9"
    & skf18("3","9","10","5","10","6","1") = "9"
    & skf18("3","9","10","5","10","7","1") = "9"
    & skf18("3","9","10","5","10","8","1") = "9"
    & skf18("3","9","10","5","10","9","1") = "9"
    & skf18("3","9","10","5","10","10","1") = "9"
    & skf18("3","9","10","6","1","1","1") = "9"
    & skf18("3","9","10","6","1","2","1") = "9"
    & skf18("3","9","10","6","1","3","1") = "9"
    & skf18("3","9","10","6","1","4","1") = "9"
    & skf18("3","9","10","6","1","5","1") = "9"
    & skf18("3","9","10","6","1","6","1") = "9"
    & skf18("3","9","10","6","1","7","1") = "9"
    & skf18("3","9","10","6","1","8","1") = "9"
    & skf18("3","9","10","6","1","9","1") = "9"
    & skf18("3","9","10","6","1","10","1") = "9"
    & skf18("3","9","10","6","2","1","1") = "9"
    & skf18("3","9","10","6","2","2","1") = "9"
    & skf18("3","9","10","6","2","3","1") = "9"
    & skf18("3","9","10","6","2","4","1") = "9"
    & skf18("3","9","10","6","2","5","1") = "9"
    & skf18("3","9","10","6","2","6","1") = "9"
    & skf18("3","9","10","6","2","7","1") = "9"
    & skf18("3","9","10","6","2","8","1") = "9"
    & skf18("3","9","10","6","2","9","1") = "9"
    & skf18("3","9","10","6","2","10","1") = "9"
    & skf18("3","9","10","6","3","1","1") = "9"
    & skf18("3","9","10","6","3","2","1") = "9"
    & skf18("3","9","10","6","3","3","1") = "9"
    & skf18("3","9","10","6","3","4","1") = "9"
    & skf18("3","9","10","6","3","5","1") = "9"
    & skf18("3","9","10","6","3","6","1") = "9"
    & skf18("3","9","10","6","3","7","1") = "9"
    & skf18("3","9","10","6","3","8","1") = "9"
    & skf18("3","9","10","6","3","9","1") = "9"
    & skf18("3","9","10","6","3","10","1") = "9"
    & skf18("3","9","10","6","4","1","1") = "9"
    & skf18("3","9","10","6","4","2","1") = "9"
    & skf18("3","9","10","6","4","3","1") = "9"
    & skf18("3","9","10","6","4","4","1") = "9"
    & skf18("3","9","10","6","4","5","1") = "9"
    & skf18("3","9","10","6","4","6","1") = "9"
    & skf18("3","9","10","6","4","7","1") = "9"
    & skf18("3","9","10","6","4","8","1") = "9"
    & skf18("3","9","10","6","4","9","1") = "9"
    & skf18("3","9","10","6","4","10","1") = "9"
    & skf18("3","9","10","6","5","1","1") = "9"
    & skf18("3","9","10","6","5","2","1") = "9"
    & skf18("3","9","10","6","5","3","1") = "9"
    & skf18("3","9","10","6","5","4","1") = "9"
    & skf18("3","9","10","6","5","5","1") = "9"
    & skf18("3","9","10","6","5","6","1") = "9"
    & skf18("3","9","10","6","5","7","1") = "9"
    & skf18("3","9","10","6","5","8","1") = "9"
    & skf18("3","9","10","6","5","9","1") = "9"
    & skf18("3","9","10","6","5","10","1") = "9"
    & skf18("3","9","10","6","6","1","1") = "9"
    & skf18("3","9","10","6","6","2","1") = "9"
    & skf18("3","9","10","6","6","3","1") = "9"
    & skf18("3","9","10","6","6","4","1") = "9"
    & skf18("3","9","10","6","6","5","1") = "9"
    & skf18("3","9","10","6","6","6","1") = "9"
    & skf18("3","9","10","6","6","7","1") = "9"
    & skf18("3","9","10","6","6","8","1") = "9"
    & skf18("3","9","10","6","6","9","1") = "9"
    & skf18("3","9","10","6","6","10","1") = "9"
    & skf18("3","9","10","6","7","1","1") = "9"
    & skf18("3","9","10","6","7","2","1") = "9"
    & skf18("3","9","10","6","7","3","1") = "9"
    & skf18("3","9","10","6","7","4","1") = "9"
    & skf18("3","9","10","6","7","5","1") = "9"
    & skf18("3","9","10","6","7","6","1") = "9"
    & skf18("3","9","10","6","7","7","1") = "9"
    & skf18("3","9","10","6","7","8","1") = "9"
    & skf18("3","9","10","6","7","9","1") = "9"
    & skf18("3","9","10","6","7","10","1") = "9"
    & skf18("3","9","10","6","8","1","1") = "9"
    & skf18("3","9","10","6","8","2","1") = "9"
    & skf18("3","9","10","6","8","3","1") = "9"
    & skf18("3","9","10","6","8","4","1") = "9"
    & skf18("3","9","10","6","8","5","1") = "9"
    & skf18("3","9","10","6","8","6","1") = "9"
    & skf18("3","9","10","6","8","7","1") = "9"
    & skf18("3","9","10","6","8","8","1") = "9"
    & skf18("3","9","10","6","8","9","1") = "9"
    & skf18("3","9","10","6","8","10","1") = "9"
    & skf18("3","9","10","6","9","1","1") = "9"
    & skf18("3","9","10","6","9","2","1") = "9"
    & skf18("3","9","10","6","9","3","1") = "9"
    & skf18("3","9","10","6","9","4","1") = "9"
    & skf18("3","9","10","6","9","5","1") = "9"
    & skf18("3","9","10","6","9","6","1") = "9"
    & skf18("3","9","10","6","9","7","1") = "9"
    & skf18("3","9","10","6","9","8","1") = "9"
    & skf18("3","9","10","6","9","9","1") = "9"
    & skf18("3","9","10","6","9","10","1") = "9"
    & skf18("3","9","10","6","10","1","1") = "9"
    & skf18("3","9","10","6","10","2","1") = "9"
    & skf18("3","9","10","6","10","3","1") = "9"
    & skf18("3","9","10","6","10","4","1") = "9"
    & skf18("3","9","10","6","10","5","1") = "9"
    & skf18("3","9","10","6","10","6","1") = "9"
    & skf18("3","9","10","6","10","7","1") = "9"
    & skf18("3","9","10","6","10","8","1") = "9"
    & skf18("3","9","10","6","10","9","1") = "9"
    & skf18("3","9","10","6","10","10","1") = "9"
    & skf18("3","9","10","7","1","1","1") = "9"
    & skf18("3","9","10","7","1","2","1") = "9"
    & skf18("3","9","10","7","1","3","1") = "9"
    & skf18("3","9","10","7","1","4","1") = "9"
    & skf18("3","9","10","7","1","5","1") = "9"
    & skf18("3","9","10","7","1","6","1") = "9"
    & skf18("3","9","10","7","1","7","1") = "9"
    & skf18("3","9","10","7","1","8","1") = "9"
    & skf18("3","9","10","7","1","9","1") = "9"
    & skf18("3","9","10","7","1","10","1") = "9"
    & skf18("3","9","10","7","2","1","1") = "9"
    & skf18("3","9","10","7","2","2","1") = "9"
    & skf18("3","9","10","7","2","3","1") = "9"
    & skf18("3","9","10","7","2","4","1") = "9"
    & skf18("3","9","10","7","2","5","1") = "9"
    & skf18("3","9","10","7","2","6","1") = "9"
    & skf18("3","9","10","7","2","7","1") = "9"
    & skf18("3","9","10","7","2","8","1") = "9"
    & skf18("3","9","10","7","2","9","1") = "9"
    & skf18("3","9","10","7","2","10","1") = "9"
    & skf18("3","9","10","7","3","1","1") = "9"
    & skf18("3","9","10","7","3","2","1") = "9"
    & skf18("3","9","10","7","3","3","1") = "9"
    & skf18("3","9","10","7","3","4","1") = "9"
    & skf18("3","9","10","7","3","5","1") = "9"
    & skf18("3","9","10","7","3","6","1") = "9"
    & skf18("3","9","10","7","3","7","1") = "9"
    & skf18("3","9","10","7","3","8","1") = "9"
    & skf18("3","9","10","7","3","9","1") = "9"
    & skf18("3","9","10","7","3","10","1") = "9"
    & skf18("3","9","10","7","4","1","1") = "9"
    & skf18("3","9","10","7","4","2","1") = "9"
    & skf18("3","9","10","7","4","3","1") = "9"
    & skf18("3","9","10","7","4","4","1") = "9"
    & skf18("3","9","10","7","4","5","1") = "9"
    & skf18("3","9","10","7","4","6","1") = "9"
    & skf18("3","9","10","7","4","7","1") = "9"
    & skf18("3","9","10","7","4","8","1") = "9"
    & skf18("3","9","10","7","4","9","1") = "9"
    & skf18("3","9","10","7","4","10","1") = "9"
    & skf18("3","9","10","7","5","1","1") = "9"
    & skf18("3","9","10","7","5","2","1") = "9"
    & skf18("3","9","10","7","5","3","1") = "9"
    & skf18("3","9","10","7","5","4","1") = "9"
    & skf18("3","9","10","7","5","5","1") = "9"
    & skf18("3","9","10","7","5","6","1") = "9"
    & skf18("3","9","10","7","5","7","1") = "9"
    & skf18("3","9","10","7","5","8","1") = "9"
    & skf18("3","9","10","7","5","9","1") = "9"
    & skf18("3","9","10","7","5","10","1") = "9"
    & skf18("3","9","10","7","6","1","1") = "9"
    & skf18("3","9","10","7","6","2","1") = "9"
    & skf18("3","9","10","7","6","3","1") = "9"
    & skf18("3","9","10","7","6","4","1") = "9"
    & skf18("3","9","10","7","6","5","1") = "9"
    & skf18("3","9","10","7","6","6","1") = "9"
    & skf18("3","9","10","7","6","7","1") = "9"
    & skf18("3","9","10","7","6","8","1") = "9"
    & skf18("3","9","10","7","6","9","1") = "9"
    & skf18("3","9","10","7","6","10","1") = "9"
    & skf18("3","9","10","7","7","1","1") = "9"
    & skf18("3","9","10","7","7","2","1") = "9"
    & skf18("3","9","10","7","7","3","1") = "9"
    & skf18("3","9","10","7","7","4","1") = "9"
    & skf18("3","9","10","7","7","5","1") = "9"
    & skf18("3","9","10","7","7","6","1") = "9"
    & skf18("3","9","10","7","7","7","1") = "9"
    & skf18("3","9","10","7","7","8","1") = "9"
    & skf18("3","9","10","7","7","9","1") = "9"
    & skf18("3","9","10","7","7","10","1") = "9"
    & skf18("3","9","10","7","8","1","1") = "9"
    & skf18("3","9","10","7","8","2","1") = "9"
    & skf18("3","9","10","7","8","3","1") = "9"
    & skf18("3","9","10","7","8","4","1") = "9"
    & skf18("3","9","10","7","8","5","1") = "9"
    & skf18("3","9","10","7","8","6","1") = "9"
    & skf18("3","9","10","7","8","7","1") = "9"
    & skf18("3","9","10","7","8","8","1") = "9"
    & skf18("3","9","10","7","8","9","1") = "9"
    & skf18("3","9","10","7","8","10","1") = "9"
    & skf18("3","9","10","7","9","1","1") = "9"
    & skf18("3","9","10","7","9","2","1") = "9"
    & skf18("3","9","10","7","9","3","1") = "9"
    & skf18("3","9","10","7","9","4","1") = "9"
    & skf18("3","9","10","7","9","5","1") = "9"
    & skf18("3","9","10","7","9","6","1") = "9"
    & skf18("3","9","10","7","9","7","1") = "9"
    & skf18("3","9","10","7","9","8","1") = "9"
    & skf18("3","9","10","7","9","9","1") = "9"
    & skf18("3","9","10","7","9","10","1") = "9"
    & skf18("3","9","10","7","10","1","1") = "9"
    & skf18("3","9","10","7","10","2","1") = "9"
    & skf18("3","9","10","7","10","3","1") = "9"
    & skf18("3","9","10","7","10","4","1") = "9"
    & skf18("3","9","10","7","10","5","1") = "9"
    & skf18("3","9","10","7","10","6","1") = "9"
    & skf18("3","9","10","7","10","7","1") = "9"
    & skf18("3","9","10","7","10","8","1") = "9"
    & skf18("3","9","10","7","10","9","1") = "9"
    & skf18("3","9","10","7","10","10","1") = "9"
    & skf18("3","9","10","8","1","1","1") = "9"
    & skf18("3","9","10","8","1","2","1") = "9"
    & skf18("3","9","10","8","1","3","1") = "9"
    & skf18("3","9","10","8","1","4","1") = "9"
    & skf18("3","9","10","8","1","5","1") = "9"
    & skf18("3","9","10","8","1","6","1") = "9"
    & skf18("3","9","10","8","1","7","1") = "9"
    & skf18("3","9","10","8","1","8","1") = "9"
    & skf18("3","9","10","8","1","9","1") = "9"
    & skf18("3","9","10","8","1","10","1") = "9"
    & skf18("3","9","10","8","2","1","1") = "9"
    & skf18("3","9","10","8","2","2","1") = "9"
    & skf18("3","9","10","8","2","3","1") = "9"
    & skf18("3","9","10","8","2","4","1") = "9"
    & skf18("3","9","10","8","2","5","1") = "9"
    & skf18("3","9","10","8","2","6","1") = "9"
    & skf18("3","9","10","8","2","7","1") = "9"
    & skf18("3","9","10","8","2","8","1") = "9"
    & skf18("3","9","10","8","2","9","1") = "9"
    & skf18("3","9","10","8","2","10","1") = "9"
    & skf18("3","9","10","8","3","1","1") = "9"
    & skf18("3","9","10","8","3","2","1") = "9"
    & skf18("3","9","10","8","3","3","1") = "9"
    & skf18("3","9","10","8","3","4","1") = "9"
    & skf18("3","9","10","8","3","5","1") = "9"
    & skf18("3","9","10","8","3","6","1") = "9"
    & skf18("3","9","10","8","3","7","1") = "9"
    & skf18("3","9","10","8","3","8","1") = "9"
    & skf18("3","9","10","8","3","9","1") = "9"
    & skf18("3","9","10","8","3","10","1") = "9"
    & skf18("3","9","10","8","4","1","1") = "9"
    & skf18("3","9","10","8","4","2","1") = "9"
    & skf18("3","9","10","8","4","3","1") = "9"
    & skf18("3","9","10","8","4","4","1") = "9"
    & skf18("3","9","10","8","4","5","1") = "9"
    & skf18("3","9","10","8","4","6","1") = "9"
    & skf18("3","9","10","8","4","7","1") = "9"
    & skf18("3","9","10","8","4","8","1") = "9"
    & skf18("3","9","10","8","4","9","1") = "9"
    & skf18("3","9","10","8","4","10","1") = "9"
    & skf18("3","9","10","8","5","1","1") = "9"
    & skf18("3","9","10","8","5","2","1") = "9"
    & skf18("3","9","10","8","5","3","1") = "9"
    & skf18("3","9","10","8","5","4","1") = "9"
    & skf18("3","9","10","8","5","5","1") = "9"
    & skf18("3","9","10","8","5","6","1") = "9"
    & skf18("3","9","10","8","5","7","1") = "9"
    & skf18("3","9","10","8","5","8","1") = "9"
    & skf18("3","9","10","8","5","9","1") = "9"
    & skf18("3","9","10","8","5","10","1") = "9"
    & skf18("3","9","10","8","6","1","1") = "9"
    & skf18("3","9","10","8","6","2","1") = "9"
    & skf18("3","9","10","8","6","3","1") = "9"
    & skf18("3","9","10","8","6","4","1") = "9"
    & skf18("3","9","10","8","6","5","1") = "9"
    & skf18("3","9","10","8","6","6","1") = "9"
    & skf18("3","9","10","8","6","7","1") = "9"
    & skf18("3","9","10","8","6","8","1") = "9"
    & skf18("3","9","10","8","6","9","1") = "9"
    & skf18("3","9","10","8","6","10","1") = "9"
    & skf18("3","9","10","8","7","1","1") = "9"
    & skf18("3","9","10","8","7","2","1") = "9"
    & skf18("3","9","10","8","7","3","1") = "9"
    & skf18("3","9","10","8","7","4","1") = "9"
    & skf18("3","9","10","8","7","5","1") = "9"
    & skf18("3","9","10","8","7","6","1") = "9"
    & skf18("3","9","10","8","7","7","1") = "9"
    & skf18("3","9","10","8","7","8","1") = "9"
    & skf18("3","9","10","8","7","9","1") = "9"
    & skf18("3","9","10","8","7","10","1") = "9"
    & skf18("3","9","10","8","8","1","1") = "9"
    & skf18("3","9","10","8","8","2","1") = "9"
    & skf18("3","9","10","8","8","3","1") = "9"
    & skf18("3","9","10","8","8","4","1") = "9"
    & skf18("3","9","10","8","8","5","1") = "9"
    & skf18("3","9","10","8","8","6","1") = "9"
    & skf18("3","9","10","8","8","7","1") = "9"
    & skf18("3","9","10","8","8","8","1") = "9"
    & skf18("3","9","10","8","8","9","1") = "9"
    & skf18("3","9","10","8","8","10","1") = "9"
    & skf18("3","9","10","8","9","1","1") = "9"
    & skf18("3","9","10","8","9","2","1") = "9"
    & skf18("3","9","10","8","9","3","1") = "9"
    & skf18("3","9","10","8","9","4","1") = "9"
    & skf18("3","9","10","8","9","5","1") = "9"
    & skf18("3","9","10","8","9","6","1") = "9"
    & skf18("3","9","10","8","9","7","1") = "9"
    & skf18("3","9","10","8","9","8","1") = "9"
    & skf18("3","9","10","8","9","9","1") = "9"
    & skf18("3","9","10","8","9","10","1") = "9"
    & skf18("3","9","10","8","10","1","1") = "9"
    & skf18("3","9","10","8","10","2","1") = "9"
    & skf18("3","9","10","8","10","3","1") = "9"
    & skf18("3","9","10","8","10","4","1") = "9"
    & skf18("3","9","10","8","10","5","1") = "9"
    & skf18("3","9","10","8","10","6","1") = "9"
    & skf18("3","9","10","8","10","7","1") = "9"
    & skf18("3","9","10","8","10","8","1") = "9"
    & skf18("3","9","10","8","10","9","1") = "9"
    & skf18("3","9","10","8","10","10","1") = "9"
    & skf18("3","9","10","9","1","1","1") = "9"
    & skf18("3","9","10","9","1","2","1") = "9"
    & skf18("3","9","10","9","1","3","1") = "9"
    & skf18("3","9","10","9","1","4","1") = "9"
    & skf18("3","9","10","9","1","5","1") = "9"
    & skf18("3","9","10","9","1","6","1") = "9"
    & skf18("3","9","10","9","1","7","1") = "9"
    & skf18("3","9","10","9","1","8","1") = "9"
    & skf18("3","9","10","9","1","9","1") = "9"
    & skf18("3","9","10","9","1","10","1") = "9"
    & skf18("3","9","10","9","2","1","1") = "9"
    & skf18("3","9","10","9","2","2","1") = "9"
    & skf18("3","9","10","9","2","3","1") = "9"
    & skf18("3","9","10","9","2","4","1") = "9"
    & skf18("3","9","10","9","2","5","1") = "9"
    & skf18("3","9","10","9","2","6","1") = "9"
    & skf18("3","9","10","9","2","7","1") = "9"
    & skf18("3","9","10","9","2","8","1") = "9"
    & skf18("3","9","10","9","2","9","1") = "9"
    & skf18("3","9","10","9","2","10","1") = "9"
    & skf18("3","9","10","9","3","1","1") = "9"
    & skf18("3","9","10","9","3","2","1") = "9"
    & skf18("3","9","10","9","3","3","1") = "9"
    & skf18("3","9","10","9","3","4","1") = "9"
    & skf18("3","9","10","9","3","5","1") = "9"
    & skf18("3","9","10","9","3","6","1") = "9"
    & skf18("3","9","10","9","3","7","1") = "9"
    & skf18("3","9","10","9","3","8","1") = "9"
    & skf18("3","9","10","9","3","9","1") = "9"
    & skf18("3","9","10","9","3","10","1") = "9"
    & skf18("3","9","10","9","4","1","1") = "9"
    & skf18("3","9","10","9","4","2","1") = "9"
    & skf18("3","9","10","9","4","3","1") = "9"
    & skf18("3","9","10","9","4","4","1") = "9"
    & skf18("3","9","10","9","4","5","1") = "9"
    & skf18("3","9","10","9","4","6","1") = "9"
    & skf18("3","9","10","9","4","7","1") = "9"
    & skf18("3","9","10","9","4","8","1") = "9"
    & skf18("3","9","10","9","4","9","1") = "9"
    & skf18("3","9","10","9","4","10","1") = "9"
    & skf18("3","9","10","9","5","1","1") = "9"
    & skf18("3","9","10","9","5","2","1") = "9"
    & skf18("3","9","10","9","5","3","1") = "9"
    & skf18("3","9","10","9","5","4","1") = "9"
    & skf18("3","9","10","9","5","5","1") = "9"
    & skf18("3","9","10","9","5","6","1") = "9"
    & skf18("3","9","10","9","5","7","1") = "9"
    & skf18("3","9","10","9","5","8","1") = "9"
    & skf18("3","9","10","9","5","9","1") = "9"
    & skf18("3","9","10","9","5","10","1") = "9"
    & skf18("3","9","10","9","6","1","1") = "9"
    & skf18("3","9","10","9","6","2","1") = "9"
    & skf18("3","9","10","9","6","3","1") = "9"
    & skf18("3","9","10","9","6","4","1") = "9"
    & skf18("3","9","10","9","6","5","1") = "9"
    & skf18("3","9","10","9","6","6","1") = "9"
    & skf18("3","9","10","9","6","7","1") = "9"
    & skf18("3","9","10","9","6","8","1") = "9"
    & skf18("3","9","10","9","6","9","1") = "9"
    & skf18("3","9","10","9","6","10","1") = "9"
    & skf18("3","9","10","9","7","1","1") = "9"
    & skf18("3","9","10","9","7","2","1") = "9"
    & skf18("3","9","10","9","7","3","1") = "9"
    & skf18("3","9","10","9","7","4","1") = "9"
    & skf18("3","9","10","9","7","5","1") = "9"
    & skf18("3","9","10","9","7","6","1") = "9"
    & skf18("3","9","10","9","7","7","1") = "9"
    & skf18("3","9","10","9","7","8","1") = "9"
    & skf18("3","9","10","9","7","9","1") = "9"
    & skf18("3","9","10","9","7","10","1") = "9"
    & skf18("3","9","10","9","8","1","1") = "9"
    & skf18("3","9","10","9","8","2","1") = "9"
    & skf18("3","9","10","9","8","3","1") = "9"
    & skf18("3","9","10","9","8","4","1") = "9"
    & skf18("3","9","10","9","8","5","1") = "9"
    & skf18("3","9","10","9","8","6","1") = "9"
    & skf18("3","9","10","9","8","7","1") = "9"
    & skf18("3","9","10","9","8","8","1") = "9"
    & skf18("3","9","10","9","8","9","1") = "9"
    & skf18("3","9","10","9","8","10","1") = "9"
    & skf18("3","9","10","9","9","1","1") = "9"
    & skf18("3","9","10","9","9","2","1") = "9"
    & skf18("3","9","10","9","9","3","1") = "9"
    & skf18("3","9","10","9","9","4","1") = "9"
    & skf18("3","9","10","9","9","5","1") = "9"
    & skf18("3","9","10","9","9","6","1") = "9"
    & skf18("3","9","10","9","9","7","1") = "9"
    & skf18("3","9","10","9","9","8","1") = "9"
    & skf18("3","9","10","9","9","9","1") = "9"
    & skf18("3","9","10","9","9","10","1") = "9"
    & skf18("3","9","10","9","10","1","1") = "9"
    & skf18("3","9","10","9","10","2","1") = "9"
    & skf18("3","9","10","9","10","3","1") = "9"
    & skf18("3","9","10","9","10","4","1") = "9"
    & skf18("3","9","10","9","10","5","1") = "9"
    & skf18("3","9","10","9","10","6","1") = "9"
    & skf18("3","9","10","9","10","7","1") = "9"
    & skf18("3","9","10","9","10","8","1") = "9"
    & skf18("3","9","10","9","10","9","1") = "9"
    & skf18("3","9","10","9","10","10","1") = "9"
    & skf18("3","9","10","10","1","1","1") = "9"
    & skf18("3","9","10","10","1","2","1") = "9"
    & skf18("3","9","10","10","1","3","1") = "9"
    & skf18("3","9","10","10","1","4","1") = "9"
    & skf18("3","9","10","10","1","5","1") = "9"
    & skf18("3","9","10","10","1","6","1") = "9"
    & skf18("3","9","10","10","1","7","1") = "9"
    & skf18("3","9","10","10","1","8","1") = "9"
    & skf18("3","9","10","10","1","9","1") = "9"
    & skf18("3","9","10","10","1","10","1") = "9"
    & skf18("3","9","10","10","2","1","1") = "9"
    & skf18("3","9","10","10","2","2","1") = "9"
    & skf18("3","9","10","10","2","3","1") = "9"
    & skf18("3","9","10","10","2","4","1") = "9"
    & skf18("3","9","10","10","2","5","1") = "9"
    & skf18("3","9","10","10","2","6","1") = "9"
    & skf18("3","9","10","10","2","7","1") = "9"
    & skf18("3","9","10","10","2","8","1") = "9"
    & skf18("3","9","10","10","2","9","1") = "9"
    & skf18("3","9","10","10","2","10","1") = "9"
    & skf18("3","9","10","10","3","1","1") = "9"
    & skf18("3","9","10","10","3","2","1") = "9"
    & skf18("3","9","10","10","3","3","1") = "9"
    & skf18("3","9","10","10","3","4","1") = "9"
    & skf18("3","9","10","10","3","5","1") = "9"
    & skf18("3","9","10","10","3","6","1") = "9"
    & skf18("3","9","10","10","3","7","1") = "9"
    & skf18("3","9","10","10","3","8","1") = "9"
    & skf18("3","9","10","10","3","9","1") = "9"
    & skf18("3","9","10","10","3","10","1") = "9"
    & skf18("3","9","10","10","4","1","1") = "9"
    & skf18("3","9","10","10","4","2","1") = "9"
    & skf18("3","9","10","10","4","3","1") = "9"
    & skf18("3","9","10","10","4","4","1") = "9"
    & skf18("3","9","10","10","4","5","1") = "9"
    & skf18("3","9","10","10","4","6","1") = "9"
    & skf18("3","9","10","10","4","7","1") = "9"
    & skf18("3","9","10","10","4","8","1") = "9"
    & skf18("3","9","10","10","4","9","1") = "9"
    & skf18("3","9","10","10","4","10","1") = "9"
    & skf18("3","9","10","10","5","1","1") = "9"
    & skf18("3","9","10","10","5","2","1") = "9"
    & skf18("3","9","10","10","5","3","1") = "9"
    & skf18("3","9","10","10","5","4","1") = "9"
    & skf18("3","9","10","10","5","5","1") = "9"
    & skf18("3","9","10","10","5","6","1") = "9"
    & skf18("3","9","10","10","5","7","1") = "9"
    & skf18("3","9","10","10","5","8","1") = "9"
    & skf18("3","9","10","10","5","9","1") = "9"
    & skf18("3","9","10","10","5","10","1") = "9"
    & skf18("3","9","10","10","6","1","1") = "9"
    & skf18("3","9","10","10","6","2","1") = "9"
    & skf18("3","9","10","10","6","3","1") = "9"
    & skf18("3","9","10","10","6","4","1") = "9"
    & skf18("3","9","10","10","6","5","1") = "9"
    & skf18("3","9","10","10","6","6","1") = "9"
    & skf18("3","9","10","10","6","7","1") = "9"
    & skf18("3","9","10","10","6","8","1") = "9"
    & skf18("3","9","10","10","6","9","1") = "9"
    & skf18("3","9","10","10","6","10","1") = "9"
    & skf18("3","9","10","10","7","1","1") = "9"
    & skf18("3","9","10","10","7","2","1") = "9"
    & skf18("3","9","10","10","7","3","1") = "9"
    & skf18("3","9","10","10","7","4","1") = "9"
    & skf18("3","9","10","10","7","5","1") = "9"
    & skf18("3","9","10","10","7","6","1") = "9"
    & skf18("3","9","10","10","7","7","1") = "9"
    & skf18("3","9","10","10","7","8","1") = "9"
    & skf18("3","9","10","10","7","9","1") = "9"
    & skf18("3","9","10","10","7","10","1") = "9"
    & skf18("3","9","10","10","8","1","1") = "9"
    & skf18("3","9","10","10","8","2","1") = "9"
    & skf18("3","9","10","10","8","3","1") = "9"
    & skf18("3","9","10","10","8","4","1") = "9"
    & skf18("3","9","10","10","8","5","1") = "9"
    & skf18("3","9","10","10","8","6","1") = "9"
    & skf18("3","9","10","10","8","7","1") = "9"
    & skf18("3","9","10","10","8","8","1") = "9"
    & skf18("3","9","10","10","8","9","1") = "9"
    & skf18("3","9","10","10","8","10","1") = "9"
    & skf18("3","9","10","10","9","1","1") = "9"
    & skf18("3","9","10","10","9","2","1") = "9"
    & skf18("3","9","10","10","9","3","1") = "9"
    & skf18("3","9","10","10","9","4","1") = "9"
    & skf18("3","9","10","10","9","5","1") = "9"
    & skf18("3","9","10","10","9","6","1") = "9"
    & skf18("3","9","10","10","9","7","1") = "9"
    & skf18("3","9","10","10","9","8","1") = "9"
    & skf18("3","9","10","10","9","9","1") = "9"
    & skf18("3","9","10","10","9","10","1") = "9"
    & skf18("3","9","10","10","10","1","1") = "9"
    & skf18("3","9","10","10","10","2","1") = "9"
    & skf18("3","9","10","10","10","3","1") = "9"
    & skf18("3","9","10","10","10","4","1") = "9"
    & skf18("3","9","10","10","10","5","1") = "9"
    & skf18("3","9","10","10","10","6","1") = "9"
    & skf18("3","9","10","10","10","7","1") = "9"
    & skf18("3","9","10","10","10","8","1") = "9"
    & skf18("3","9","10","10","10","9","1") = "9"
    & skf18("3","9","10","10","10","10","1") = "9"
    & skf18("3","10","1","1","1","1","1") = "9"
    & skf18("3","10","1","1","1","2","1") = "9"
    & skf18("3","10","1","1","1","3","1") = "9"
    & skf18("3","10","1","1","1","4","1") = "9"
    & skf18("3","10","1","1","1","5","1") = "9"
    & skf18("3","10","1","1","1","6","1") = "9"
    & skf18("3","10","1","1","1","7","1") = "9"
    & skf18("3","10","1","1","1","8","1") = "9"
    & skf18("3","10","1","1","1","9","1") = "9"
    & skf18("3","10","1","1","1","10","1") = "9"
    & skf18("3","10","1","1","2","1","1") = "9"
    & skf18("3","10","1","1","2","2","1") = "9"
    & skf18("3","10","1","1","2","3","1") = "9"
    & skf18("3","10","1","1","2","4","1") = "9"
    & skf18("3","10","1","1","2","5","1") = "9"
    & skf18("3","10","1","1","2","6","1") = "9"
    & skf18("3","10","1","1","2","7","1") = "9"
    & skf18("3","10","1","1","2","8","1") = "9"
    & skf18("3","10","1","1","2","9","1") = "9"
    & skf18("3","10","1","1","2","10","1") = "9"
    & skf18("3","10","1","1","3","1","1") = "9"
    & skf18("3","10","1","1","3","2","1") = "9"
    & skf18("3","10","1","1","3","3","1") = "9"
    & skf18("3","10","1","1","3","4","1") = "9"
    & skf18("3","10","1","1","3","5","1") = "9"
    & skf18("3","10","1","1","3","6","1") = "9"
    & skf18("3","10","1","1","3","7","1") = "9"
    & skf18("3","10","1","1","3","8","1") = "9"
    & skf18("3","10","1","1","3","9","1") = "9"
    & skf18("3","10","1","1","3","10","1") = "9"
    & skf18("3","10","1","1","4","1","1") = "9"
    & skf18("3","10","1","1","4","2","1") = "9"
    & skf18("3","10","1","1","4","3","1") = "9"
    & skf18("3","10","1","1","4","4","1") = "9"
    & skf18("3","10","1","1","4","5","1") = "9"
    & skf18("3","10","1","1","4","6","1") = "9"
    & skf18("3","10","1","1","4","7","1") = "9"
    & skf18("3","10","1","1","4","8","1") = "9"
    & skf18("3","10","1","1","4","9","1") = "9"
    & skf18("3","10","1","1","4","10","1") = "9"
    & skf18("3","10","1","1","5","1","1") = "9"
    & skf18("3","10","1","1","5","2","1") = "9"
    & skf18("3","10","1","1","5","3","1") = "9"
    & skf18("3","10","1","1","5","4","1") = "9"
    & skf18("3","10","1","1","5","5","1") = "9"
    & skf18("3","10","1","1","5","6","1") = "9"
    & skf18("3","10","1","1","5","7","1") = "9"
    & skf18("3","10","1","1","5","8","1") = "9"
    & skf18("3","10","1","1","5","9","1") = "9"
    & skf18("3","10","1","1","5","10","1") = "9"
    & skf18("3","10","1","1","6","1","1") = "9"
    & skf18("3","10","1","1","6","2","1") = "9"
    & skf18("3","10","1","1","6","3","1") = "9"
    & skf18("3","10","1","1","6","4","1") = "9"
    & skf18("3","10","1","1","6","5","1") = "9"
    & skf18("3","10","1","1","6","6","1") = "9"
    & skf18("3","10","1","1","6","7","1") = "9"
    & skf18("3","10","1","1","6","8","1") = "9"
    & skf18("3","10","1","1","6","9","1") = "9"
    & skf18("3","10","1","1","6","10","1") = "9"
    & skf18("3","10","1","1","7","1","1") = "9"
    & skf18("3","10","1","1","7","2","1") = "9"
    & skf18("3","10","1","1","7","3","1") = "9"
    & skf18("3","10","1","1","7","4","1") = "9"
    & skf18("3","10","1","1","7","5","1") = "9"
    & skf18("3","10","1","1","7","6","1") = "9"
    & skf18("3","10","1","1","7","7","1") = "9"
    & skf18("3","10","1","1","7","8","1") = "9"
    & skf18("3","10","1","1","7","9","1") = "9"
    & skf18("3","10","1","1","7","10","1") = "9"
    & skf18("3","10","1","1","8","1","1") = "9"
    & skf18("3","10","1","1","8","2","1") = "9"
    & skf18("3","10","1","1","8","3","1") = "9"
    & skf18("3","10","1","1","8","4","1") = "9"
    & skf18("3","10","1","1","8","5","1") = "9"
    & skf18("3","10","1","1","8","6","1") = "9"
    & skf18("3","10","1","1","8","7","1") = "9"
    & skf18("3","10","1","1","8","8","1") = "9"
    & skf18("3","10","1","1","8","9","1") = "9"
    & skf18("3","10","1","1","8","10","1") = "9"
    & skf18("3","10","1","1","9","1","1") = "9"
    & skf18("3","10","1","1","9","2","1") = "9"
    & skf18("3","10","1","1","9","3","1") = "9"
    & skf18("3","10","1","1","9","4","1") = "9"
    & skf18("3","10","1","1","9","5","1") = "9"
    & skf18("3","10","1","1","9","6","1") = "9"
    & skf18("3","10","1","1","9","7","1") = "9"
    & skf18("3","10","1","1","9","8","1") = "9"
    & skf18("3","10","1","1","9","9","1") = "9"
    & skf18("3","10","1","1","9","10","1") = "9"
    & skf18("3","10","1","1","10","1","1") = "9"
    & skf18("3","10","1","1","10","2","1") = "9"
    & skf18("3","10","1","1","10","3","1") = "9"
    & skf18("3","10","1","1","10","4","1") = "9"
    & skf18("3","10","1","1","10","5","1") = "9"
    & skf18("3","10","1","1","10","6","1") = "9"
    & skf18("3","10","1","1","10","7","1") = "9"
    & skf18("3","10","1","1","10","8","1") = "9"
    & skf18("3","10","1","1","10","9","1") = "9"
    & skf18("3","10","1","1","10","10","1") = "9"
    & skf18("3","10","1","2","1","1","1") = "9"
    & skf18("3","10","1","2","1","2","1") = "9"
    & skf18("3","10","1","2","1","3","1") = "9"
    & skf18("3","10","1","2","1","4","1") = "9"
    & skf18("3","10","1","2","1","5","1") = "9"
    & skf18("3","10","1","2","1","6","1") = "9"
    & skf18("3","10","1","2","1","7","1") = "9"
    & skf18("3","10","1","2","1","8","1") = "9"
    & skf18("3","10","1","2","1","9","1") = "9"
    & skf18("3","10","1","2","1","10","1") = "9"
    & skf18("3","10","1","2","2","1","1") = "9"
    & skf18("3","10","1","2","2","2","1") = "9"
    & skf18("3","10","1","2","2","3","1") = "9"
    & skf18("3","10","1","2","2","4","1") = "9"
    & skf18("3","10","1","2","2","5","1") = "9"
    & skf18("3","10","1","2","2","6","1") = "9"
    & skf18("3","10","1","2","2","7","1") = "9"
    & skf18("3","10","1","2","2","8","1") = "9"
    & skf18("3","10","1","2","2","9","1") = "9"
    & skf18("3","10","1","2","2","10","1") = "9"
    & skf18("3","10","1","2","3","1","1") = "9"
    & skf18("3","10","1","2","3","2","1") = "9"
    & skf18("3","10","1","2","3","3","1") = "9"
    & skf18("3","10","1","2","3","4","1") = "9"
    & skf18("3","10","1","2","3","5","1") = "9"
    & skf18("3","10","1","2","3","6","1") = "9"
    & skf18("3","10","1","2","3","7","1") = "9"
    & skf18("3","10","1","2","3","8","1") = "9"
    & skf18("3","10","1","2","3","9","1") = "9"
    & skf18("3","10","1","2","3","10","1") = "9"
    & skf18("3","10","1","2","4","1","1") = "9"
    & skf18("3","10","1","2","4","2","1") = "9"
    & skf18("3","10","1","2","4","3","1") = "9"
    & skf18("3","10","1","2","4","4","1") = "9"
    & skf18("3","10","1","2","4","5","1") = "9"
    & skf18("3","10","1","2","4","6","1") = "9"
    & skf18("3","10","1","2","4","7","1") = "9"
    & skf18("3","10","1","2","4","8","1") = "9"
    & skf18("3","10","1","2","4","9","1") = "9"
    & skf18("3","10","1","2","4","10","1") = "9"
    & skf18("3","10","1","2","5","1","1") = "9"
    & skf18("3","10","1","2","5","2","1") = "9"
    & skf18("3","10","1","2","5","3","1") = "9"
    & skf18("3","10","1","2","5","4","1") = "9"
    & skf18("3","10","1","2","5","5","1") = "9"
    & skf18("3","10","1","2","5","6","1") = "9"
    & skf18("3","10","1","2","5","7","1") = "9"
    & skf18("3","10","1","2","5","8","1") = "9"
    & skf18("3","10","1","2","5","9","1") = "9"
    & skf18("3","10","1","2","5","10","1") = "9"
    & skf18("3","10","1","2","6","1","1") = "9"
    & skf18("3","10","1","2","6","2","1") = "9"
    & skf18("3","10","1","2","6","3","1") = "9"
    & skf18("3","10","1","2","6","4","1") = "9"
    & skf18("3","10","1","2","6","5","1") = "9"
    & skf18("3","10","1","2","6","6","1") = "9"
    & skf18("3","10","1","2","6","7","1") = "9"
    & skf18("3","10","1","2","6","8","1") = "9"
    & skf18("3","10","1","2","6","9","1") = "9"
    & skf18("3","10","1","2","6","10","1") = "9"
    & skf18("3","10","1","2","7","1","1") = "9"
    & skf18("3","10","1","2","7","2","1") = "9"
    & skf18("3","10","1","2","7","3","1") = "9"
    & skf18("3","10","1","2","7","4","1") = "9"
    & skf18("3","10","1","2","7","5","1") = "9"
    & skf18("3","10","1","2","7","6","1") = "9"
    & skf18("3","10","1","2","7","7","1") = "9"
    & skf18("3","10","1","2","7","8","1") = "9"
    & skf18("3","10","1","2","7","9","1") = "9"
    & skf18("3","10","1","2","7","10","1") = "9"
    & skf18("3","10","1","2","8","1","1") = "9"
    & skf18("3","10","1","2","8","2","1") = "9"
    & skf18("3","10","1","2","8","3","1") = "9"
    & skf18("3","10","1","2","8","4","1") = "9"
    & skf18("3","10","1","2","8","5","1") = "9"
    & skf18("3","10","1","2","8","6","1") = "9"
    & skf18("3","10","1","2","8","7","1") = "9"
    & skf18("3","10","1","2","8","8","1") = "9"
    & skf18("3","10","1","2","8","9","1") = "9"
    & skf18("3","10","1","2","8","10","1") = "9"
    & skf18("3","10","1","2","9","1","1") = "9"
    & skf18("3","10","1","2","9","2","1") = "9"
    & skf18("3","10","1","2","9","3","1") = "9"
    & skf18("3","10","1","2","9","4","1") = "9"
    & skf18("3","10","1","2","9","5","1") = "9"
    & skf18("3","10","1","2","9","6","1") = "9"
    & skf18("3","10","1","2","9","7","1") = "9"
    & skf18("3","10","1","2","9","8","1") = "9"
    & skf18("3","10","1","2","9","9","1") = "9"
    & skf18("3","10","1","2","9","10","1") = "9"
    & skf18("3","10","1","2","10","1","1") = "9"
    & skf18("3","10","1","2","10","2","1") = "9"
    & skf18("3","10","1","2","10","3","1") = "9"
    & skf18("3","10","1","2","10","4","1") = "9"
    & skf18("3","10","1","2","10","5","1") = "9"
    & skf18("3","10","1","2","10","6","1") = "9"
    & skf18("3","10","1","2","10","7","1") = "9"
    & skf18("3","10","1","2","10","8","1") = "9"
    & skf18("3","10","1","2","10","9","1") = "9"
    & skf18("3","10","1","2","10","10","1") = "9"
    & skf18("3","10","1","3","1","1","1") = "9"
    & skf18("3","10","1","3","1","2","1") = "9"
    & skf18("3","10","1","3","1","3","1") = "9"
    & skf18("3","10","1","3","1","4","1") = "9"
    & skf18("3","10","1","3","1","5","1") = "9"
    & skf18("3","10","1","3","1","6","1") = "9"
    & skf18("3","10","1","3","1","7","1") = "9"
    & skf18("3","10","1","3","1","8","1") = "9"
    & skf18("3","10","1","3","1","9","1") = "9"
    & skf18("3","10","1","3","1","10","1") = "9"
    & skf18("3","10","1","3","2","1","1") = "9"
    & skf18("3","10","1","3","2","2","1") = "9"
    & skf18("3","10","1","3","2","3","1") = "9"
    & skf18("3","10","1","3","2","4","1") = "9"
    & skf18("3","10","1","3","2","5","1") = "9"
    & skf18("3","10","1","3","2","6","1") = "9"
    & skf18("3","10","1","3","2","7","1") = "9"
    & skf18("3","10","1","3","2","8","1") = "9"
    & skf18("3","10","1","3","2","9","1") = "9"
    & skf18("3","10","1","3","2","10","1") = "9"
    & skf18("3","10","1","3","3","1","1") = "9"
    & skf18("3","10","1","3","3","2","1") = "9"
    & skf18("3","10","1","3","3","3","1") = "9"
    & skf18("3","10","1","3","3","4","1") = "9"
    & skf18("3","10","1","3","3","5","1") = "9"
    & skf18("3","10","1","3","3","6","1") = "9"
    & skf18("3","10","1","3","3","7","1") = "9"
    & skf18("3","10","1","3","3","8","1") = "9"
    & skf18("3","10","1","3","3","9","1") = "9"
    & skf18("3","10","1","3","3","10","1") = "9"
    & skf18("3","10","1","3","4","1","1") = "9"
    & skf18("3","10","1","3","4","2","1") = "9"
    & skf18("3","10","1","3","4","3","1") = "9"
    & skf18("3","10","1","3","4","4","1") = "9"
    & skf18("3","10","1","3","4","5","1") = "9"
    & skf18("3","10","1","3","4","6","1") = "9"
    & skf18("3","10","1","3","4","7","1") = "9"
    & skf18("3","10","1","3","4","8","1") = "9"
    & skf18("3","10","1","3","4","9","1") = "9"
    & skf18("3","10","1","3","4","10","1") = "9"
    & skf18("3","10","1","3","5","1","1") = "9"
    & skf18("3","10","1","3","5","2","1") = "9"
    & skf18("3","10","1","3","5","3","1") = "9"
    & skf18("3","10","1","3","5","4","1") = "9"
    & skf18("3","10","1","3","5","5","1") = "9"
    & skf18("3","10","1","3","5","6","1") = "9"
    & skf18("3","10","1","3","5","7","1") = "9"
    & skf18("3","10","1","3","5","8","1") = "9"
    & skf18("3","10","1","3","5","9","1") = "9"
    & skf18("3","10","1","3","5","10","1") = "9"
    & skf18("3","10","1","3","6","1","1") = "9"
    & skf18("3","10","1","3","6","2","1") = "9"
    & skf18("3","10","1","3","6","3","1") = "9"
    & skf18("3","10","1","3","6","4","1") = "9"
    & skf18("3","10","1","3","6","5","1") = "9"
    & skf18("3","10","1","3","6","6","1") = "9"
    & skf18("3","10","1","3","6","7","1") = "9"
    & skf18("3","10","1","3","6","8","1") = "9"
    & skf18("3","10","1","3","6","9","1") = "9"
    & skf18("3","10","1","3","6","10","1") = "9"
    & skf18("3","10","1","3","7","1","1") = "9"
    & skf18("3","10","1","3","7","2","1") = "9"
    & skf18("3","10","1","3","7","3","1") = "9"
    & skf18("3","10","1","3","7","4","1") = "9"
    & skf18("3","10","1","3","7","5","1") = "9"
    & skf18("3","10","1","3","7","6","1") = "9"
    & skf18("3","10","1","3","7","7","1") = "9"
    & skf18("3","10","1","3","7","8","1") = "9"
    & skf18("3","10","1","3","7","9","1") = "9"
    & skf18("3","10","1","3","7","10","1") = "9"
    & skf18("3","10","1","3","8","1","1") = "9"
    & skf18("3","10","1","3","8","2","1") = "9"
    & skf18("3","10","1","3","8","3","1") = "9"
    & skf18("3","10","1","3","8","4","1") = "9"
    & skf18("3","10","1","3","8","5","1") = "9"
    & skf18("3","10","1","3","8","6","1") = "9"
    & skf18("3","10","1","3","8","7","1") = "9"
    & skf18("3","10","1","3","8","8","1") = "9"
    & skf18("3","10","1","3","8","9","1") = "9"
    & skf18("3","10","1","3","8","10","1") = "9"
    & skf18("3","10","1","3","9","1","1") = "9"
    & skf18("3","10","1","3","9","2","1") = "9"
    & skf18("3","10","1","3","9","3","1") = "9"
    & skf18("3","10","1","3","9","4","1") = "9"
    & skf18("3","10","1","3","9","5","1") = "9"
    & skf18("3","10","1","3","9","6","1") = "9"
    & skf18("3","10","1","3","9","7","1") = "9"
    & skf18("3","10","1","3","9","8","1") = "9"
    & skf18("3","10","1","3","9","9","1") = "9"
    & skf18("3","10","1","3","9","10","1") = "9"
    & skf18("3","10","1","3","10","1","1") = "9"
    & skf18("3","10","1","3","10","2","1") = "9"
    & skf18("3","10","1","3","10","3","1") = "9"
    & skf18("3","10","1","3","10","4","1") = "9"
    & skf18("3","10","1","3","10","5","1") = "9"
    & skf18("3","10","1","3","10","6","1") = "9"
    & skf18("3","10","1","3","10","7","1") = "9"
    & skf18("3","10","1","3","10","8","1") = "9"
    & skf18("3","10","1","3","10","9","1") = "9"
    & skf18("3","10","1","3","10","10","1") = "9"
    & skf18("3","10","1","4","1","1","1") = "9"
    & skf18("3","10","1","4","1","2","1") = "9"
    & skf18("3","10","1","4","1","3","1") = "9"
    & skf18("3","10","1","4","1","4","1") = "9"
    & skf18("3","10","1","4","1","5","1") = "9"
    & skf18("3","10","1","4","1","6","1") = "9"
    & skf18("3","10","1","4","1","7","1") = "9"
    & skf18("3","10","1","4","1","8","1") = "9"
    & skf18("3","10","1","4","1","9","1") = "9"
    & skf18("3","10","1","4","1","10","1") = "9"
    & skf18("3","10","1","4","2","1","1") = "9"
    & skf18("3","10","1","4","2","2","1") = "9"
    & skf18("3","10","1","4","2","3","1") = "9"
    & skf18("3","10","1","4","2","4","1") = "9"
    & skf18("3","10","1","4","2","5","1") = "9"
    & skf18("3","10","1","4","2","6","1") = "9"
    & skf18("3","10","1","4","2","7","1") = "9"
    & skf18("3","10","1","4","2","8","1") = "9"
    & skf18("3","10","1","4","2","9","1") = "9"
    & skf18("3","10","1","4","2","10","1") = "9"
    & skf18("3","10","1","4","3","1","1") = "9"
    & skf18("3","10","1","4","3","2","1") = "9"
    & skf18("3","10","1","4","3","3","1") = "9"
    & skf18("3","10","1","4","3","4","1") = "9"
    & skf18("3","10","1","4","3","5","1") = "9"
    & skf18("3","10","1","4","3","6","1") = "9"
    & skf18("3","10","1","4","3","7","1") = "9"
    & skf18("3","10","1","4","3","8","1") = "9"
    & skf18("3","10","1","4","3","9","1") = "9"
    & skf18("3","10","1","4","3","10","1") = "9"
    & skf18("3","10","1","4","4","1","1") = "9"
    & skf18("3","10","1","4","4","2","1") = "9"
    & skf18("3","10","1","4","4","3","1") = "9"
    & skf18("3","10","1","4","4","4","1") = "9"
    & skf18("3","10","1","4","4","5","1") = "9"
    & skf18("3","10","1","4","4","6","1") = "9"
    & skf18("3","10","1","4","4","7","1") = "9"
    & skf18("3","10","1","4","4","8","1") = "9"
    & skf18("3","10","1","4","4","9","1") = "9"
    & skf18("3","10","1","4","4","10","1") = "9"
    & skf18("3","10","1","4","5","1","1") = "9"
    & skf18("3","10","1","4","5","2","1") = "9"
    & skf18("3","10","1","4","5","3","1") = "9"
    & skf18("3","10","1","4","5","4","1") = "9"
    & skf18("3","10","1","4","5","5","1") = "9"
    & skf18("3","10","1","4","5","6","1") = "9"
    & skf18("3","10","1","4","5","7","1") = "9"
    & skf18("3","10","1","4","5","8","1") = "9"
    & skf18("3","10","1","4","5","9","1") = "9"
    & skf18("3","10","1","4","5","10","1") = "9"
    & skf18("3","10","1","4","6","1","1") = "9"
    & skf18("3","10","1","4","6","2","1") = "9"
    & skf18("3","10","1","4","6","3","1") = "9"
    & skf18("3","10","1","4","6","4","1") = "9"
    & skf18("3","10","1","4","6","5","1") = "9"
    & skf18("3","10","1","4","6","6","1") = "9"
    & skf18("3","10","1","4","6","7","1") = "9"
    & skf18("3","10","1","4","6","8","1") = "9"
    & skf18("3","10","1","4","6","9","1") = "9"
    & skf18("3","10","1","4","6","10","1") = "9"
    & skf18("3","10","1","4","7","1","1") = "9"
    & skf18("3","10","1","4","7","2","1") = "9"
    & skf18("3","10","1","4","7","3","1") = "9"
    & skf18("3","10","1","4","7","4","1") = "9"
    & skf18("3","10","1","4","7","5","1") = "9"
    & skf18("3","10","1","4","7","6","1") = "9"
    & skf18("3","10","1","4","7","7","1") = "9"
    & skf18("3","10","1","4","7","8","1") = "9"
    & skf18("3","10","1","4","7","9","1") = "9"
    & skf18("3","10","1","4","7","10","1") = "9"
    & skf18("3","10","1","4","8","1","1") = "9"
    & skf18("3","10","1","4","8","2","1") = "9"
    & skf18("3","10","1","4","8","3","1") = "9"
    & skf18("3","10","1","4","8","4","1") = "9"
    & skf18("3","10","1","4","8","5","1") = "9"
    & skf18("3","10","1","4","8","6","1") = "9"
    & skf18("3","10","1","4","8","7","1") = "9"
    & skf18("3","10","1","4","8","8","1") = "9"
    & skf18("3","10","1","4","8","9","1") = "9"
    & skf18("3","10","1","4","8","10","1") = "9"
    & skf18("3","10","1","4","9","1","1") = "9"
    & skf18("3","10","1","4","9","2","1") = "9"
    & skf18("3","10","1","4","9","3","1") = "9"
    & skf18("3","10","1","4","9","4","1") = "9"
    & skf18("3","10","1","4","9","5","1") = "9"
    & skf18("3","10","1","4","9","6","1") = "9"
    & skf18("3","10","1","4","9","7","1") = "9"
    & skf18("3","10","1","4","9","8","1") = "9"
    & skf18("3","10","1","4","9","9","1") = "9"
    & skf18("3","10","1","4","9","10","1") = "9"
    & skf18("3","10","1","4","10","1","1") = "9"
    & skf18("3","10","1","4","10","2","1") = "9"
    & skf18("3","10","1","4","10","3","1") = "9"
    & skf18("3","10","1","4","10","4","1") = "9"
    & skf18("3","10","1","4","10","5","1") = "9"
    & skf18("3","10","1","4","10","6","1") = "9"
    & skf18("3","10","1","4","10","7","1") = "9"
    & skf18("3","10","1","4","10","8","1") = "9"
    & skf18("3","10","1","4","10","9","1") = "9"
    & skf18("3","10","1","4","10","10","1") = "9"
    & skf18("3","10","1","5","1","1","1") = "9"
    & skf18("3","10","1","5","1","2","1") = "9"
    & skf18("3","10","1","5","1","3","1") = "9"
    & skf18("3","10","1","5","1","4","1") = "9"
    & skf18("3","10","1","5","1","5","1") = "9"
    & skf18("3","10","1","5","1","6","1") = "9"
    & skf18("3","10","1","5","1","7","1") = "9"
    & skf18("3","10","1","5","1","8","1") = "9"
    & skf18("3","10","1","5","1","9","1") = "9"
    & skf18("3","10","1","5","1","10","1") = "9"
    & skf18("3","10","1","5","2","1","1") = "9"
    & skf18("3","10","1","5","2","2","1") = "9"
    & skf18("3","10","1","5","2","3","1") = "9"
    & skf18("3","10","1","5","2","4","1") = "9"
    & skf18("3","10","1","5","2","5","1") = "9"
    & skf18("3","10","1","5","2","6","1") = "9"
    & skf18("3","10","1","5","2","7","1") = "9"
    & skf18("3","10","1","5","2","8","1") = "9"
    & skf18("3","10","1","5","2","9","1") = "9"
    & skf18("3","10","1","5","2","10","1") = "9"
    & skf18("3","10","1","5","3","1","1") = "9"
    & skf18("3","10","1","5","3","2","1") = "9"
    & skf18("3","10","1","5","3","3","1") = "9"
    & skf18("3","10","1","5","3","4","1") = "9"
    & skf18("3","10","1","5","3","5","1") = "9"
    & skf18("3","10","1","5","3","6","1") = "9"
    & skf18("3","10","1","5","3","7","1") = "9"
    & skf18("3","10","1","5","3","8","1") = "9"
    & skf18("3","10","1","5","3","9","1") = "9"
    & skf18("3","10","1","5","3","10","1") = "9"
    & skf18("3","10","1","5","4","1","1") = "9"
    & skf18("3","10","1","5","4","2","1") = "9"
    & skf18("3","10","1","5","4","3","1") = "9"
    & skf18("3","10","1","5","4","4","1") = "9"
    & skf18("3","10","1","5","4","5","1") = "9"
    & skf18("3","10","1","5","4","6","1") = "9"
    & skf18("3","10","1","5","4","7","1") = "9"
    & skf18("3","10","1","5","4","8","1") = "9"
    & skf18("3","10","1","5","4","9","1") = "9"
    & skf18("3","10","1","5","4","10","1") = "9"
    & skf18("3","10","1","5","5","1","1") = "9"
    & skf18("3","10","1","5","5","2","1") = "9"
    & skf18("3","10","1","5","5","3","1") = "9"
    & skf18("3","10","1","5","5","4","1") = "9"
    & skf18("3","10","1","5","5","5","1") = "9"
    & skf18("3","10","1","5","5","6","1") = "9"
    & skf18("3","10","1","5","5","7","1") = "9"
    & skf18("3","10","1","5","5","8","1") = "9"
    & skf18("3","10","1","5","5","9","1") = "9"
    & skf18("3","10","1","5","5","10","1") = "9"
    & skf18("3","10","1","5","6","1","1") = "9"
    & skf18("3","10","1","5","6","2","1") = "9"
    & skf18("3","10","1","5","6","3","1") = "9"
    & skf18("3","10","1","5","6","4","1") = "9"
    & skf18("3","10","1","5","6","5","1") = "9"
    & skf18("3","10","1","5","6","6","1") = "9"
    & skf18("3","10","1","5","6","7","1") = "9"
    & skf18("3","10","1","5","6","8","1") = "9"
    & skf18("3","10","1","5","6","9","1") = "9"
    & skf18("3","10","1","5","6","10","1") = "9"
    & skf18("3","10","1","5","7","1","1") = "9"
    & skf18("3","10","1","5","7","2","1") = "9"
    & skf18("3","10","1","5","7","3","1") = "9"
    & skf18("3","10","1","5","7","4","1") = "9"
    & skf18("3","10","1","5","7","5","1") = "9"
    & skf18("3","10","1","5","7","6","1") = "9"
    & skf18("3","10","1","5","7","7","1") = "9"
    & skf18("3","10","1","5","7","8","1") = "9"
    & skf18("3","10","1","5","7","9","1") = "9"
    & skf18("3","10","1","5","7","10","1") = "9"
    & skf18("3","10","1","5","8","1","1") = "9"
    & skf18("3","10","1","5","8","2","1") = "9"
    & skf18("3","10","1","5","8","3","1") = "9"
    & skf18("3","10","1","5","8","4","1") = "9"
    & skf18("3","10","1","5","8","5","1") = "9"
    & skf18("3","10","1","5","8","6","1") = "9"
    & skf18("3","10","1","5","8","7","1") = "9"
    & skf18("3","10","1","5","8","8","1") = "9"
    & skf18("3","10","1","5","8","9","1") = "9"
    & skf18("3","10","1","5","8","10","1") = "9"
    & skf18("3","10","1","5","9","1","1") = "9"
    & skf18("3","10","1","5","9","2","1") = "9"
    & skf18("3","10","1","5","9","3","1") = "9"
    & skf18("3","10","1","5","9","4","1") = "9"
    & skf18("3","10","1","5","9","5","1") = "9"
    & skf18("3","10","1","5","9","6","1") = "9"
    & skf18("3","10","1","5","9","7","1") = "9"
    & skf18("3","10","1","5","9","8","1") = "9"
    & skf18("3","10","1","5","9","9","1") = "9"
    & skf18("3","10","1","5","9","10","1") = "9"
    & skf18("3","10","1","5","10","1","1") = "9"
    & skf18("3","10","1","5","10","2","1") = "9"
    & skf18("3","10","1","5","10","3","1") = "9"
    & skf18("3","10","1","5","10","4","1") = "9"
    & skf18("3","10","1","5","10","5","1") = "9"
    & skf18("3","10","1","5","10","6","1") = "9"
    & skf18("3","10","1","5","10","7","1") = "9"
    & skf18("3","10","1","5","10","8","1") = "9"
    & skf18("3","10","1","5","10","9","1") = "9"
    & skf18("3","10","1","5","10","10","1") = "9"
    & skf18("3","10","1","6","1","1","1") = "9"
    & skf18("3","10","1","6","1","2","1") = "9"
    & skf18("3","10","1","6","1","3","1") = "9"
    & skf18("3","10","1","6","1","4","1") = "9"
    & skf18("3","10","1","6","1","5","1") = "9"
    & skf18("3","10","1","6","1","6","1") = "9"
    & skf18("3","10","1","6","1","7","1") = "9"
    & skf18("3","10","1","6","1","8","1") = "9"
    & skf18("3","10","1","6","1","9","1") = "9"
    & skf18("3","10","1","6","1","10","1") = "9"
    & skf18("3","10","1","6","2","1","1") = "9"
    & skf18("3","10","1","6","2","2","1") = "9"
    & skf18("3","10","1","6","2","3","1") = "9"
    & skf18("3","10","1","6","2","4","1") = "9"
    & skf18("3","10","1","6","2","5","1") = "9"
    & skf18("3","10","1","6","2","6","1") = "9"
    & skf18("3","10","1","6","2","7","1") = "9"
    & skf18("3","10","1","6","2","8","1") = "9"
    & skf18("3","10","1","6","2","9","1") = "9"
    & skf18("3","10","1","6","2","10","1") = "9"
    & skf18("3","10","1","6","3","1","1") = "9"
    & skf18("3","10","1","6","3","2","1") = "9"
    & skf18("3","10","1","6","3","3","1") = "9"
    & skf18("3","10","1","6","3","4","1") = "9"
    & skf18("3","10","1","6","3","5","1") = "9"
    & skf18("3","10","1","6","3","6","1") = "9"
    & skf18("3","10","1","6","3","7","1") = "9"
    & skf18("3","10","1","6","3","8","1") = "9"
    & skf18("3","10","1","6","3","9","1") = "9"
    & skf18("3","10","1","6","3","10","1") = "9"
    & skf18("3","10","1","6","4","1","1") = "9"
    & skf18("3","10","1","6","4","2","1") = "9"
    & skf18("3","10","1","6","4","3","1") = "9"
    & skf18("3","10","1","6","4","4","1") = "9"
    & skf18("3","10","1","6","4","5","1") = "9"
    & skf18("3","10","1","6","4","6","1") = "9"
    & skf18("3","10","1","6","4","7","1") = "9"
    & skf18("3","10","1","6","4","8","1") = "9"
    & skf18("3","10","1","6","4","9","1") = "9"
    & skf18("3","10","1","6","4","10","1") = "9"
    & skf18("3","10","1","6","5","1","1") = "9"
    & skf18("3","10","1","6","5","2","1") = "9"
    & skf18("3","10","1","6","5","3","1") = "9"
    & skf18("3","10","1","6","5","4","1") = "9"
    & skf18("3","10","1","6","5","5","1") = "9"
    & skf18("3","10","1","6","5","6","1") = "9"
    & skf18("3","10","1","6","5","7","1") = "9"
    & skf18("3","10","1","6","5","8","1") = "9"
    & skf18("3","10","1","6","5","9","1") = "9"
    & skf18("3","10","1","6","5","10","1") = "9"
    & skf18("3","10","1","6","6","1","1") = "9"
    & skf18("3","10","1","6","6","2","1") = "9"
    & skf18("3","10","1","6","6","3","1") = "9"
    & skf18("3","10","1","6","6","4","1") = "9"
    & skf18("3","10","1","6","6","5","1") = "9"
    & skf18("3","10","1","6","6","6","1") = "9"
    & skf18("3","10","1","6","6","7","1") = "9"
    & skf18("3","10","1","6","6","8","1") = "9"
    & skf18("3","10","1","6","6","9","1") = "9"
    & skf18("3","10","1","6","6","10","1") = "9"
    & skf18("3","10","1","6","7","1","1") = "9"
    & skf18("3","10","1","6","7","2","1") = "9"
    & skf18("3","10","1","6","7","3","1") = "9"
    & skf18("3","10","1","6","7","4","1") = "9"
    & skf18("3","10","1","6","7","5","1") = "9"
    & skf18("3","10","1","6","7","6","1") = "9"
    & skf18("3","10","1","6","7","7","1") = "9"
    & skf18("3","10","1","6","7","8","1") = "9"
    & skf18("3","10","1","6","7","9","1") = "9"
    & skf18("3","10","1","6","7","10","1") = "9"
    & skf18("3","10","1","6","8","1","1") = "9"
    & skf18("3","10","1","6","8","2","1") = "9"
    & skf18("3","10","1","6","8","3","1") = "9"
    & skf18("3","10","1","6","8","4","1") = "9"
    & skf18("3","10","1","6","8","5","1") = "9"
    & skf18("3","10","1","6","8","6","1") = "9"
    & skf18("3","10","1","6","8","7","1") = "9"
    & skf18("3","10","1","6","8","8","1") = "9"
    & skf18("3","10","1","6","8","9","1") = "9"
    & skf18("3","10","1","6","8","10","1") = "9"
    & skf18("3","10","1","6","9","1","1") = "9"
    & skf18("3","10","1","6","9","2","1") = "9"
    & skf18("3","10","1","6","9","3","1") = "9"
    & skf18("3","10","1","6","9","4","1") = "9"
    & skf18("3","10","1","6","9","5","1") = "9"
    & skf18("3","10","1","6","9","6","1") = "9"
    & skf18("3","10","1","6","9","7","1") = "9"
    & skf18("3","10","1","6","9","8","1") = "9"
    & skf18("3","10","1","6","9","9","1") = "9"
    & skf18("3","10","1","6","9","10","1") = "9"
    & skf18("3","10","1","6","10","1","1") = "9"
    & skf18("3","10","1","6","10","2","1") = "9"
    & skf18("3","10","1","6","10","3","1") = "9"
    & skf18("3","10","1","6","10","4","1") = "9"
    & skf18("3","10","1","6","10","5","1") = "9"
    & skf18("3","10","1","6","10","6","1") = "9"
    & skf18("3","10","1","6","10","7","1") = "9"
    & skf18("3","10","1","6","10","8","1") = "9"
    & skf18("3","10","1","6","10","9","1") = "9"
    & skf18("3","10","1","6","10","10","1") = "9"
    & skf18("3","10","1","7","1","1","1") = "9"
    & skf18("3","10","1","7","1","2","1") = "9"
    & skf18("3","10","1","7","1","3","1") = "9"
    & skf18("3","10","1","7","1","4","1") = "9"
    & skf18("3","10","1","7","1","5","1") = "9"
    & skf18("3","10","1","7","1","6","1") = "9"
    & skf18("3","10","1","7","1","7","1") = "9"
    & skf18("3","10","1","7","1","8","1") = "9"
    & skf18("3","10","1","7","1","9","1") = "9"
    & skf18("3","10","1","7","1","10","1") = "9"
    & skf18("3","10","1","7","2","1","1") = "9"
    & skf18("3","10","1","7","2","2","1") = "9"
    & skf18("3","10","1","7","2","3","1") = "9"
    & skf18("3","10","1","7","2","4","1") = "9"
    & skf18("3","10","1","7","2","5","1") = "9"
    & skf18("3","10","1","7","2","6","1") = "9"
    & skf18("3","10","1","7","2","7","1") = "9"
    & skf18("3","10","1","7","2","8","1") = "9"
    & skf18("3","10","1","7","2","9","1") = "9"
    & skf18("3","10","1","7","2","10","1") = "9"
    & skf18("3","10","1","7","3","1","1") = "9"
    & skf18("3","10","1","7","3","2","1") = "9"
    & skf18("3","10","1","7","3","3","1") = "9"
    & skf18("3","10","1","7","3","4","1") = "9"
    & skf18("3","10","1","7","3","5","1") = "9"
    & skf18("3","10","1","7","3","6","1") = "9"
    & skf18("3","10","1","7","3","7","1") = "9"
    & skf18("3","10","1","7","3","8","1") = "9"
    & skf18("3","10","1","7","3","9","1") = "9"
    & skf18("3","10","1","7","3","10","1") = "9"
    & skf18("3","10","1","7","4","1","1") = "9"
    & skf18("3","10","1","7","4","2","1") = "9"
    & skf18("3","10","1","7","4","3","1") = "9"
    & skf18("3","10","1","7","4","4","1") = "9"
    & skf18("3","10","1","7","4","5","1") = "9"
    & skf18("3","10","1","7","4","6","1") = "9"
    & skf18("3","10","1","7","4","7","1") = "9"
    & skf18("3","10","1","7","4","8","1") = "9"
    & skf18("3","10","1","7","4","9","1") = "9"
    & skf18("3","10","1","7","4","10","1") = "9"
    & skf18("3","10","1","7","5","1","1") = "9"
    & skf18("3","10","1","7","5","2","1") = "9"
    & skf18("3","10","1","7","5","3","1") = "9"
    & skf18("3","10","1","7","5","4","1") = "9"
    & skf18("3","10","1","7","5","5","1") = "9"
    & skf18("3","10","1","7","5","6","1") = "9"
    & skf18("3","10","1","7","5","7","1") = "9"
    & skf18("3","10","1","7","5","8","1") = "9"
    & skf18("3","10","1","7","5","9","1") = "9"
    & skf18("3","10","1","7","5","10","1") = "9"
    & skf18("3","10","1","7","6","1","1") = "9"
    & skf18("3","10","1","7","6","2","1") = "9"
    & skf18("3","10","1","7","6","3","1") = "9"
    & skf18("3","10","1","7","6","4","1") = "9"
    & skf18("3","10","1","7","6","5","1") = "9"
    & skf18("3","10","1","7","6","6","1") = "9"
    & skf18("3","10","1","7","6","7","1") = "9"
    & skf18("3","10","1","7","6","8","1") = "9"
    & skf18("3","10","1","7","6","9","1") = "9"
    & skf18("3","10","1","7","6","10","1") = "9"
    & skf18("3","10","1","7","7","1","1") = "9"
    & skf18("3","10","1","7","7","2","1") = "9"
    & skf18("3","10","1","7","7","3","1") = "9"
    & skf18("3","10","1","7","7","4","1") = "9"
    & skf18("3","10","1","7","7","5","1") = "9"
    & skf18("3","10","1","7","7","6","1") = "9"
    & skf18("3","10","1","7","7","7","1") = "9"
    & skf18("3","10","1","7","7","8","1") = "9"
    & skf18("3","10","1","7","7","9","1") = "9"
    & skf18("3","10","1","7","7","10","1") = "9"
    & skf18("3","10","1","7","8","1","1") = "9"
    & skf18("3","10","1","7","8","2","1") = "9"
    & skf18("3","10","1","7","8","3","1") = "9"
    & skf18("3","10","1","7","8","4","1") = "9"
    & skf18("3","10","1","7","8","5","1") = "9"
    & skf18("3","10","1","7","8","6","1") = "9"
    & skf18("3","10","1","7","8","7","1") = "9"
    & skf18("3","10","1","7","8","8","1") = "9"
    & skf18("3","10","1","7","8","9","1") = "9"
    & skf18("3","10","1","7","8","10","1") = "9"
    & skf18("3","10","1","7","9","1","1") = "9"
    & skf18("3","10","1","7","9","2","1") = "9"
    & skf18("3","10","1","7","9","3","1") = "9"
    & skf18("3","10","1","7","9","4","1") = "9"
    & skf18("3","10","1","7","9","5","1") = "9"
    & skf18("3","10","1","7","9","6","1") = "9"
    & skf18("3","10","1","7","9","7","1") = "9"
    & skf18("3","10","1","7","9","8","1") = "9"
    & skf18("3","10","1","7","9","9","1") = "9"
    & skf18("3","10","1","7","9","10","1") = "9"
    & skf18("3","10","1","7","10","1","1") = "9"
    & skf18("3","10","1","7","10","2","1") = "9"
    & skf18("3","10","1","7","10","3","1") = "9"
    & skf18("3","10","1","7","10","4","1") = "9"
    & skf18("3","10","1","7","10","5","1") = "9"
    & skf18("3","10","1","7","10","6","1") = "9"
    & skf18("3","10","1","7","10","7","1") = "9"
    & skf18("3","10","1","7","10","8","1") = "9"
    & skf18("3","10","1","7","10","9","1") = "9"
    & skf18("3","10","1","7","10","10","1") = "9"
    & skf18("3","10","1","8","1","1","1") = "9"
    & skf18("3","10","1","8","1","2","1") = "9"
    & skf18("3","10","1","8","1","3","1") = "9"
    & skf18("3","10","1","8","1","4","1") = "9"
    & skf18("3","10","1","8","1","5","1") = "9"
    & skf18("3","10","1","8","1","6","1") = "9"
    & skf18("3","10","1","8","1","7","1") = "9"
    & skf18("3","10","1","8","1","8","1") = "9"
    & skf18("3","10","1","8","1","9","1") = "9"
    & skf18("3","10","1","8","1","10","1") = "9"
    & skf18("3","10","1","8","2","1","1") = "9"
    & skf18("3","10","1","8","2","2","1") = "9"
    & skf18("3","10","1","8","2","3","1") = "9"
    & skf18("3","10","1","8","2","4","1") = "9"
    & skf18("3","10","1","8","2","5","1") = "9"
    & skf18("3","10","1","8","2","6","1") = "9"
    & skf18("3","10","1","8","2","7","1") = "9"
    & skf18("3","10","1","8","2","8","1") = "9"
    & skf18("3","10","1","8","2","9","1") = "9"
    & skf18("3","10","1","8","2","10","1") = "9"
    & skf18("3","10","1","8","3","1","1") = "9"
    & skf18("3","10","1","8","3","2","1") = "9"
    & skf18("3","10","1","8","3","3","1") = "9"
    & skf18("3","10","1","8","3","4","1") = "9"
    & skf18("3","10","1","8","3","5","1") = "9"
    & skf18("3","10","1","8","3","6","1") = "9"
    & skf18("3","10","1","8","3","7","1") = "9"
    & skf18("3","10","1","8","3","8","1") = "9"
    & skf18("3","10","1","8","3","9","1") = "9"
    & skf18("3","10","1","8","3","10","1") = "9"
    & skf18("3","10","1","8","4","1","1") = "9"
    & skf18("3","10","1","8","4","2","1") = "9"
    & skf18("3","10","1","8","4","3","1") = "9"
    & skf18("3","10","1","8","4","4","1") = "9"
    & skf18("3","10","1","8","4","5","1") = "9"
    & skf18("3","10","1","8","4","6","1") = "9"
    & skf18("3","10","1","8","4","7","1") = "9"
    & skf18("3","10","1","8","4","8","1") = "9"
    & skf18("3","10","1","8","4","9","1") = "9"
    & skf18("3","10","1","8","4","10","1") = "9"
    & skf18("3","10","1","8","5","1","1") = "9"
    & skf18("3","10","1","8","5","2","1") = "9"
    & skf18("3","10","1","8","5","3","1") = "9"
    & skf18("3","10","1","8","5","4","1") = "9"
    & skf18("3","10","1","8","5","5","1") = "9"
    & skf18("3","10","1","8","5","6","1") = "9"
    & skf18("3","10","1","8","5","7","1") = "9"
    & skf18("3","10","1","8","5","8","1") = "9"
    & skf18("3","10","1","8","5","9","1") = "9"
    & skf18("3","10","1","8","5","10","1") = "9"
    & skf18("3","10","1","8","6","1","1") = "9"
    & skf18("3","10","1","8","6","2","1") = "9"
    & skf18("3","10","1","8","6","3","1") = "9"
    & skf18("3","10","1","8","6","4","1") = "9"
    & skf18("3","10","1","8","6","5","1") = "9"
    & skf18("3","10","1","8","6","6","1") = "9"
    & skf18("3","10","1","8","6","7","1") = "9"
    & skf18("3","10","1","8","6","8","1") = "9"
    & skf18("3","10","1","8","6","9","1") = "9"
    & skf18("3","10","1","8","6","10","1") = "9"
    & skf18("3","10","1","8","7","1","1") = "9"
    & skf18("3","10","1","8","7","2","1") = "9"
    & skf18("3","10","1","8","7","3","1") = "9"
    & skf18("3","10","1","8","7","4","1") = "9"
    & skf18("3","10","1","8","7","5","1") = "9"
    & skf18("3","10","1","8","7","6","1") = "9"
    & skf18("3","10","1","8","7","7","1") = "9"
    & skf18("3","10","1","8","7","8","1") = "9"
    & skf18("3","10","1","8","7","9","1") = "9"
    & skf18("3","10","1","8","7","10","1") = "9"
    & skf18("3","10","1","8","8","1","1") = "9"
    & skf18("3","10","1","8","8","2","1") = "9"
    & skf18("3","10","1","8","8","3","1") = "9"
    & skf18("3","10","1","8","8","4","1") = "9"
    & skf18("3","10","1","8","8","5","1") = "9"
    & skf18("3","10","1","8","8","6","1") = "9"
    & skf18("3","10","1","8","8","7","1") = "9"
    & skf18("3","10","1","8","8","8","1") = "9"
    & skf18("3","10","1","8","8","9","1") = "9"
    & skf18("3","10","1","8","8","10","1") = "9"
    & skf18("3","10","1","8","9","1","1") = "9"
    & skf18("3","10","1","8","9","2","1") = "9"
    & skf18("3","10","1","8","9","3","1") = "9"
    & skf18("3","10","1","8","9","4","1") = "9"
    & skf18("3","10","1","8","9","5","1") = "9"
    & skf18("3","10","1","8","9","6","1") = "9"
    & skf18("3","10","1","8","9","7","1") = "9"
    & skf18("3","10","1","8","9","8","1") = "9"
    & skf18("3","10","1","8","9","9","1") = "9"
    & skf18("3","10","1","8","9","10","1") = "9"
    & skf18("3","10","1","8","10","1","1") = "9"
    & skf18("3","10","1","8","10","2","1") = "9"
    & skf18("3","10","1","8","10","3","1") = "9"
    & skf18("3","10","1","8","10","4","1") = "9"
    & skf18("3","10","1","8","10","5","1") = "9"
    & skf18("3","10","1","8","10","6","1") = "9"
    & skf18("3","10","1","8","10","7","1") = "9"
    & skf18("3","10","1","8","10","8","1") = "9"
    & skf18("3","10","1","8","10","9","1") = "9"
    & skf18("3","10","1","8","10","10","1") = "9"
    & skf18("3","10","1","9","1","1","1") = "9"
    & skf18("3","10","1","9","1","2","1") = "9"
    & skf18("3","10","1","9","1","3","1") = "9"
    & skf18("3","10","1","9","1","4","1") = "9"
    & skf18("3","10","1","9","1","5","1") = "9"
    & skf18("3","10","1","9","1","6","1") = "9"
    & skf18("3","10","1","9","1","7","1") = "9"
    & skf18("3","10","1","9","1","8","1") = "9"
    & skf18("3","10","1","9","1","9","1") = "9"
    & skf18("3","10","1","9","1","10","1") = "9"
    & skf18("3","10","1","9","2","1","1") = "9"
    & skf18("3","10","1","9","2","2","1") = "9"
    & skf18("3","10","1","9","2","3","1") = "9"
    & skf18("3","10","1","9","2","4","1") = "9"
    & skf18("3","10","1","9","2","5","1") = "9"
    & skf18("3","10","1","9","2","6","1") = "9"
    & skf18("3","10","1","9","2","7","1") = "9"
    & skf18("3","10","1","9","2","8","1") = "9"
    & skf18("3","10","1","9","2","9","1") = "9"
    & skf18("3","10","1","9","2","10","1") = "9"
    & skf18("3","10","1","9","3","1","1") = "9"
    & skf18("3","10","1","9","3","2","1") = "9"
    & skf18("3","10","1","9","3","3","1") = "9"
    & skf18("3","10","1","9","3","4","1") = "9"
    & skf18("3","10","1","9","3","5","1") = "9"
    & skf18("3","10","1","9","3","6","1") = "9"
    & skf18("3","10","1","9","3","7","1") = "9"
    & skf18("3","10","1","9","3","8","1") = "9"
    & skf18("3","10","1","9","3","9","1") = "9"
    & skf18("3","10","1","9","3","10","1") = "9"
    & skf18("3","10","1","9","4","1","1") = "9"
    & skf18("3","10","1","9","4","2","1") = "9"
    & skf18("3","10","1","9","4","3","1") = "9"
    & skf18("3","10","1","9","4","4","1") = "9"
    & skf18("3","10","1","9","4","5","1") = "9"
    & skf18("3","10","1","9","4","6","1") = "9"
    & skf18("3","10","1","9","4","7","1") = "9"
    & skf18("3","10","1","9","4","8","1") = "9"
    & skf18("3","10","1","9","4","9","1") = "9"
    & skf18("3","10","1","9","4","10","1") = "9"
    & skf18("3","10","1","9","5","1","1") = "9"
    & skf18("3","10","1","9","5","2","1") = "9"
    & skf18("3","10","1","9","5","3","1") = "9"
    & skf18("3","10","1","9","5","4","1") = "9"
    & skf18("3","10","1","9","5","5","1") = "9"
    & skf18("3","10","1","9","5","6","1") = "9"
    & skf18("3","10","1","9","5","7","1") = "9"
    & skf18("3","10","1","9","5","8","1") = "9"
    & skf18("3","10","1","9","5","9","1") = "9"
    & skf18("3","10","1","9","5","10","1") = "9"
    & skf18("3","10","1","9","6","1","1") = "9"
    & skf18("3","10","1","9","6","2","1") = "9"
    & skf18("3","10","1","9","6","3","1") = "9"
    & skf18("3","10","1","9","6","4","1") = "9"
    & skf18("3","10","1","9","6","5","1") = "9"
    & skf18("3","10","1","9","6","6","1") = "9"
    & skf18("3","10","1","9","6","7","1") = "9"
    & skf18("3","10","1","9","6","8","1") = "9"
    & skf18("3","10","1","9","6","9","1") = "9"
    & skf18("3","10","1","9","6","10","1") = "9"
    & skf18("3","10","1","9","7","1","1") = "9"
    & skf18("3","10","1","9","7","2","1") = "9"
    & skf18("3","10","1","9","7","3","1") = "9"
    & skf18("3","10","1","9","7","4","1") = "9"
    & skf18("3","10","1","9","7","5","1") = "9"
    & skf18("3","10","1","9","7","6","1") = "9"
    & skf18("3","10","1","9","7","7","1") = "9"
    & skf18("3","10","1","9","7","8","1") = "9"
    & skf18("3","10","1","9","7","9","1") = "9"
    & skf18("3","10","1","9","7","10","1") = "9"
    & skf18("3","10","1","9","8","1","1") = "9"
    & skf18("3","10","1","9","8","2","1") = "9"
    & skf18("3","10","1","9","8","3","1") = "9"
    & skf18("3","10","1","9","8","4","1") = "9"
    & skf18("3","10","1","9","8","5","1") = "9"
    & skf18("3","10","1","9","8","6","1") = "9"
    & skf18("3","10","1","9","8","7","1") = "9"
    & skf18("3","10","1","9","8","8","1") = "9"
    & skf18("3","10","1","9","8","9","1") = "9"
    & skf18("3","10","1","9","8","10","1") = "9"
    & skf18("3","10","1","9","9","1","1") = "9"
    & skf18("3","10","1","9","9","2","1") = "9"
    & skf18("3","10","1","9","9","3","1") = "9"
    & skf18("3","10","1","9","9","4","1") = "9"
    & skf18("3","10","1","9","9","5","1") = "9"
    & skf18("3","10","1","9","9","6","1") = "9"
    & skf18("3","10","1","9","9","7","1") = "9"
    & skf18("3","10","1","9","9","8","1") = "9"
    & skf18("3","10","1","9","9","9","1") = "9"
    & skf18("3","10","1","9","9","10","1") = "9"
    & skf18("3","10","1","9","10","1","1") = "9"
    & skf18("3","10","1","9","10","2","1") = "9"
    & skf18("3","10","1","9","10","3","1") = "9"
    & skf18("3","10","1","9","10","4","1") = "9"
    & skf18("3","10","1","9","10","5","1") = "9"
    & skf18("3","10","1","9","10","6","1") = "9"
    & skf18("3","10","1","9","10","7","1") = "9"
    & skf18("3","10","1","9","10","8","1") = "9"
    & skf18("3","10","1","9","10","9","1") = "9"
    & skf18("3","10","1","9","10","10","1") = "9"
    & skf18("3","10","1","10","1","1","1") = "9"
    & skf18("3","10","1","10","1","2","1") = "9"
    & skf18("3","10","1","10","1","3","1") = "9"
    & skf18("3","10","1","10","1","4","1") = "9"
    & skf18("3","10","1","10","1","5","1") = "9"
    & skf18("3","10","1","10","1","6","1") = "9"
    & skf18("3","10","1","10","1","7","1") = "9"
    & skf18("3","10","1","10","1","8","1") = "9"
    & skf18("3","10","1","10","1","9","1") = "9"
    & skf18("3","10","1","10","1","10","1") = "9"
    & skf18("3","10","1","10","2","1","1") = "9"
    & skf18("3","10","1","10","2","2","1") = "9"
    & skf18("3","10","1","10","2","3","1") = "9"
    & skf18("3","10","1","10","2","4","1") = "9"
    & skf18("3","10","1","10","2","5","1") = "9"
    & skf18("3","10","1","10","2","6","1") = "9"
    & skf18("3","10","1","10","2","7","1") = "9"
    & skf18("3","10","1","10","2","8","1") = "9"
    & skf18("3","10","1","10","2","9","1") = "9"
    & skf18("3","10","1","10","2","10","1") = "9"
    & skf18("3","10","1","10","3","1","1") = "9"
    & skf18("3","10","1","10","3","2","1") = "9"
    & skf18("3","10","1","10","3","3","1") = "9"
    & skf18("3","10","1","10","3","4","1") = "9"
    & skf18("3","10","1","10","3","5","1") = "9"
    & skf18("3","10","1","10","3","6","1") = "9"
    & skf18("3","10","1","10","3","7","1") = "9"
    & skf18("3","10","1","10","3","8","1") = "9"
    & skf18("3","10","1","10","3","9","1") = "9"
    & skf18("3","10","1","10","3","10","1") = "9"
    & skf18("3","10","1","10","4","1","1") = "9"
    & skf18("3","10","1","10","4","2","1") = "9"
    & skf18("3","10","1","10","4","3","1") = "9"
    & skf18("3","10","1","10","4","4","1") = "9"
    & skf18("3","10","1","10","4","5","1") = "9"
    & skf18("3","10","1","10","4","6","1") = "9"
    & skf18("3","10","1","10","4","7","1") = "9"
    & skf18("3","10","1","10","4","8","1") = "9"
    & skf18("3","10","1","10","4","9","1") = "9"
    & skf18("3","10","1","10","4","10","1") = "9"
    & skf18("3","10","1","10","5","1","1") = "9"
    & skf18("3","10","1","10","5","2","1") = "9"
    & skf18("3","10","1","10","5","3","1") = "9"
    & skf18("3","10","1","10","5","4","1") = "9"
    & skf18("3","10","1","10","5","5","1") = "9"
    & skf18("3","10","1","10","5","6","1") = "9"
    & skf18("3","10","1","10","5","7","1") = "9"
    & skf18("3","10","1","10","5","8","1") = "9"
    & skf18("3","10","1","10","5","9","1") = "9"
    & skf18("3","10","1","10","5","10","1") = "9"
    & skf18("3","10","1","10","6","1","1") = "9"
    & skf18("3","10","1","10","6","2","1") = "9"
    & skf18("3","10","1","10","6","3","1") = "9"
    & skf18("3","10","1","10","6","4","1") = "9"
    & skf18("3","10","1","10","6","5","1") = "9"
    & skf18("3","10","1","10","6","6","1") = "9"
    & skf18("3","10","1","10","6","7","1") = "9"
    & skf18("3","10","1","10","6","8","1") = "9"
    & skf18("3","10","1","10","6","9","1") = "9"
    & skf18("3","10","1","10","6","10","1") = "9"
    & skf18("3","10","1","10","7","1","1") = "9"
    & skf18("3","10","1","10","7","2","1") = "9"
    & skf18("3","10","1","10","7","3","1") = "9"
    & skf18("3","10","1","10","7","4","1") = "9"
    & skf18("3","10","1","10","7","5","1") = "9"
    & skf18("3","10","1","10","7","6","1") = "9"
    & skf18("3","10","1","10","7","7","1") = "9"
    & skf18("3","10","1","10","7","8","1") = "9"
    & skf18("3","10","1","10","7","9","1") = "9"
    & skf18("3","10","1","10","7","10","1") = "9"
    & skf18("3","10","1","10","8","1","1") = "9"
    & skf18("3","10","1","10","8","2","1") = "9"
    & skf18("3","10","1","10","8","3","1") = "9"
    & skf18("3","10","1","10","8","4","1") = "9"
    & skf18("3","10","1","10","8","5","1") = "9"
    & skf18("3","10","1","10","8","6","1") = "9"
    & skf18("3","10","1","10","8","7","1") = "9"
    & skf18("3","10","1","10","8","8","1") = "9"
    & skf18("3","10","1","10","8","9","1") = "9"
    & skf18("3","10","1","10","8","10","1") = "9"
    & skf18("3","10","1","10","9","1","1") = "9"
    & skf18("3","10","1","10","9","2","1") = "9"
    & skf18("3","10","1","10","9","3","1") = "9"
    & skf18("3","10","1","10","9","4","1") = "9"
    & skf18("3","10","1","10","9","5","1") = "9"
    & skf18("3","10","1","10","9","6","1") = "9"
    & skf18("3","10","1","10","9","7","1") = "9"
    & skf18("3","10","1","10","9","8","1") = "9"
    & skf18("3","10","1","10","9","9","1") = "9"
    & skf18("3","10","1","10","9","10","1") = "9"
    & skf18("3","10","1","10","10","1","1") = "9"
    & skf18("3","10","1","10","10","2","1") = "9"
    & skf18("3","10","1","10","10","3","1") = "9"
    & skf18("3","10","1","10","10","4","1") = "9"
    & skf18("3","10","1","10","10","5","1") = "9"
    & skf18("3","10","1","10","10","6","1") = "9"
    & skf18("3","10","1","10","10","7","1") = "9"
    & skf18("3","10","1","10","10","8","1") = "9"
    & skf18("3","10","1","10","10","9","1") = "9"
    & skf18("3","10","1","10","10","10","1") = "9"
    & skf18("3","10","2","1","1","1","1") = "9"
    & skf18("3","10","2","1","1","2","1") = "9"
    & skf18("3","10","2","1","1","3","1") = "9"
    & skf18("3","10","2","1","1","4","1") = "9"
    & skf18("3","10","2","1","1","5","1") = "9"
    & skf18("3","10","2","1","1","6","1") = "9"
    & skf18("3","10","2","1","1","7","1") = "9"
    & skf18("3","10","2","1","1","8","1") = "9"
    & skf18("3","10","2","1","1","9","1") = "9"
    & skf18("3","10","2","1","1","10","1") = "9"
    & skf18("3","10","2","1","2","1","1") = "9"
    & skf18("3","10","2","1","2","2","1") = "9"
    & skf18("3","10","2","1","2","3","1") = "9"
    & skf18("3","10","2","1","2","4","1") = "9"
    & skf18("3","10","2","1","2","5","1") = "9"
    & skf18("3","10","2","1","2","6","1") = "9"
    & skf18("3","10","2","1","2","7","1") = "9"
    & skf18("3","10","2","1","2","8","1") = "9"
    & skf18("3","10","2","1","2","9","1") = "9"
    & skf18("3","10","2","1","2","10","1") = "9"
    & skf18("3","10","2","1","3","1","1") = "9"
    & skf18("3","10","2","1","3","2","1") = "9"
    & skf18("3","10","2","1","3","3","1") = "9"
    & skf18("3","10","2","1","3","4","1") = "9"
    & skf18("3","10","2","1","3","5","1") = "9"
    & skf18("3","10","2","1","3","6","1") = "9"
    & skf18("3","10","2","1","3","7","1") = "9"
    & skf18("3","10","2","1","3","8","1") = "9"
    & skf18("3","10","2","1","3","9","1") = "9"
    & skf18("3","10","2","1","3","10","1") = "9"
    & skf18("3","10","2","1","4","1","1") = "9"
    & skf18("3","10","2","1","4","2","1") = "9"
    & skf18("3","10","2","1","4","3","1") = "9"
    & skf18("3","10","2","1","4","4","1") = "9"
    & skf18("3","10","2","1","4","5","1") = "9"
    & skf18("3","10","2","1","4","6","1") = "9"
    & skf18("3","10","2","1","4","7","1") = "9"
    & skf18("3","10","2","1","4","8","1") = "9"
    & skf18("3","10","2","1","4","9","1") = "9"
    & skf18("3","10","2","1","4","10","1") = "9"
    & skf18("3","10","2","1","5","1","1") = "9"
    & skf18("3","10","2","1","5","2","1") = "9"
    & skf18("3","10","2","1","5","3","1") = "9"
    & skf18("3","10","2","1","5","4","1") = "9"
    & skf18("3","10","2","1","5","5","1") = "9"
    & skf18("3","10","2","1","5","6","1") = "9"
    & skf18("3","10","2","1","5","7","1") = "9"
    & skf18("3","10","2","1","5","8","1") = "9"
    & skf18("3","10","2","1","5","9","1") = "9"
    & skf18("3","10","2","1","5","10","1") = "9"
    & skf18("3","10","2","1","6","1","1") = "9"
    & skf18("3","10","2","1","6","2","1") = "9"
    & skf18("3","10","2","1","6","3","1") = "9"
    & skf18("3","10","2","1","6","4","1") = "9"
    & skf18("3","10","2","1","6","5","1") = "9"
    & skf18("3","10","2","1","6","6","1") = "9"
    & skf18("3","10","2","1","6","7","1") = "9"
    & skf18("3","10","2","1","6","8","1") = "9"
    & skf18("3","10","2","1","6","9","1") = "9"
    & skf18("3","10","2","1","6","10","1") = "9"
    & skf18("3","10","2","1","7","1","1") = "9"
    & skf18("3","10","2","1","7","2","1") = "9"
    & skf18("3","10","2","1","7","3","1") = "9"
    & skf18("3","10","2","1","7","4","1") = "9"
    & skf18("3","10","2","1","7","5","1") = "9"
    & skf18("3","10","2","1","7","6","1") = "9"
    & skf18("3","10","2","1","7","7","1") = "9"
    & skf18("3","10","2","1","7","8","1") = "9"
    & skf18("3","10","2","1","7","9","1") = "9"
    & skf18("3","10","2","1","7","10","1") = "9"
    & skf18("3","10","2","1","8","1","1") = "9"
    & skf18("3","10","2","1","8","2","1") = "9"
    & skf18("3","10","2","1","8","3","1") = "9"
    & skf18("3","10","2","1","8","4","1") = "9"
    & skf18("3","10","2","1","8","5","1") = "9"
    & skf18("3","10","2","1","8","6","1") = "9"
    & skf18("3","10","2","1","8","7","1") = "9"
    & skf18("3","10","2","1","8","8","1") = "9"
    & skf18("3","10","2","1","8","9","1") = "9"
    & skf18("3","10","2","1","8","10","1") = "9"
    & skf18("3","10","2","1","9","1","1") = "9"
    & skf18("3","10","2","1","9","2","1") = "9"
    & skf18("3","10","2","1","9","3","1") = "9"
    & skf18("3","10","2","1","9","4","1") = "9"
    & skf18("3","10","2","1","9","5","1") = "9"
    & skf18("3","10","2","1","9","6","1") = "9"
    & skf18("3","10","2","1","9","7","1") = "9"
    & skf18("3","10","2","1","9","8","1") = "9"
    & skf18("3","10","2","1","9","9","1") = "9"
    & skf18("3","10","2","1","9","10","1") = "9"
    & skf18("3","10","2","1","10","1","1") = "9"
    & skf18("3","10","2","1","10","2","1") = "9"
    & skf18("3","10","2","1","10","3","1") = "9"
    & skf18("3","10","2","1","10","4","1") = "9"
    & skf18("3","10","2","1","10","5","1") = "9"
    & skf18("3","10","2","1","10","6","1") = "9"
    & skf18("3","10","2","1","10","7","1") = "9"
    & skf18("3","10","2","1","10","8","1") = "9"
    & skf18("3","10","2","1","10","9","1") = "9"
    & skf18("3","10","2","1","10","10","1") = "9"
    & skf18("3","10","2","2","1","1","1") = "9"
    & skf18("3","10","2","2","1","2","1") = "9"
    & skf18("3","10","2","2","1","3","1") = "9"
    & skf18("3","10","2","2","1","4","1") = "9"
    & skf18("3","10","2","2","1","5","1") = "9"
    & skf18("3","10","2","2","1","6","1") = "9"
    & skf18("3","10","2","2","1","7","1") = "9"
    & skf18("3","10","2","2","1","8","1") = "9"
    & skf18("3","10","2","2","1","9","1") = "9"
    & skf18("3","10","2","2","1","10","1") = "9"
    & skf18("3","10","2","2","2","1","1") = "9"
    & skf18("3","10","2","2","2","2","1") = "9"
    & skf18("3","10","2","2","2","3","1") = "9"
    & skf18("3","10","2","2","2","4","1") = "9"
    & skf18("3","10","2","2","2","5","1") = "9"
    & skf18("3","10","2","2","2","6","1") = "9"
    & skf18("3","10","2","2","2","7","1") = "9"
    & skf18("3","10","2","2","2","8","1") = "9"
    & skf18("3","10","2","2","2","9","1") = "9"
    & skf18("3","10","2","2","2","10","1") = "9"
    & skf18("3","10","2","2","3","1","1") = "9"
    & skf18("3","10","2","2","3","2","1") = "9"
    & skf18("3","10","2","2","3","3","1") = "9"
    & skf18("3","10","2","2","3","4","1") = "9"
    & skf18("3","10","2","2","3","5","1") = "9"
    & skf18("3","10","2","2","3","6","1") = "9"
    & skf18("3","10","2","2","3","7","1") = "9"
    & skf18("3","10","2","2","3","8","1") = "9"
    & skf18("3","10","2","2","3","9","1") = "9"
    & skf18("3","10","2","2","3","10","1") = "9"
    & skf18("3","10","2","2","4","1","1") = "9"
    & skf18("3","10","2","2","4","2","1") = "9"
    & skf18("3","10","2","2","4","3","1") = "9"
    & skf18("3","10","2","2","4","4","1") = "9"
    & skf18("3","10","2","2","4","5","1") = "9"
    & skf18("3","10","2","2","4","6","1") = "9"
    & skf18("3","10","2","2","4","7","1") = "9"
    & skf18("3","10","2","2","4","8","1") = "9"
    & skf18("3","10","2","2","4","9","1") = "9"
    & skf18("3","10","2","2","4","10","1") = "9"
    & skf18("3","10","2","2","5","1","1") = "9"
    & skf18("3","10","2","2","5","2","1") = "9"
    & skf18("3","10","2","2","5","3","1") = "9"
    & skf18("3","10","2","2","5","4","1") = "9"
    & skf18("3","10","2","2","5","5","1") = "9"
    & skf18("3","10","2","2","5","6","1") = "9"
    & skf18("3","10","2","2","5","7","1") = "9"
    & skf18("3","10","2","2","5","8","1") = "9"
    & skf18("3","10","2","2","5","9","1") = "9"
    & skf18("3","10","2","2","5","10","1") = "9"
    & skf18("3","10","2","2","6","1","1") = "9"
    & skf18("3","10","2","2","6","2","1") = "9"
    & skf18("3","10","2","2","6","3","1") = "9"
    & skf18("3","10","2","2","6","4","1") = "9"
    & skf18("3","10","2","2","6","5","1") = "9"
    & skf18("3","10","2","2","6","6","1") = "9"
    & skf18("3","10","2","2","6","7","1") = "9"
    & skf18("3","10","2","2","6","8","1") = "9"
    & skf18("3","10","2","2","6","9","1") = "9"
    & skf18("3","10","2","2","6","10","1") = "9"
    & skf18("3","10","2","2","7","1","1") = "9"
    & skf18("3","10","2","2","7","2","1") = "9"
    & skf18("3","10","2","2","7","3","1") = "9"
    & skf18("3","10","2","2","7","4","1") = "9"
    & skf18("3","10","2","2","7","5","1") = "9"
    & skf18("3","10","2","2","7","6","1") = "9"
    & skf18("3","10","2","2","7","7","1") = "9"
    & skf18("3","10","2","2","7","8","1") = "9"
    & skf18("3","10","2","2","7","9","1") = "9"
    & skf18("3","10","2","2","7","10","1") = "9"
    & skf18("3","10","2","2","8","1","1") = "9"
    & skf18("3","10","2","2","8","2","1") = "9"
    & skf18("3","10","2","2","8","3","1") = "9"
    & skf18("3","10","2","2","8","4","1") = "9"
    & skf18("3","10","2","2","8","5","1") = "9"
    & skf18("3","10","2","2","8","6","1") = "9"
    & skf18("3","10","2","2","8","7","1") = "9"
    & skf18("3","10","2","2","8","8","1") = "9"
    & skf18("3","10","2","2","8","9","1") = "9"
    & skf18("3","10","2","2","8","10","1") = "9"
    & skf18("3","10","2","2","9","1","1") = "9"
    & skf18("3","10","2","2","9","2","1") = "9"
    & skf18("3","10","2","2","9","3","1") = "9"
    & skf18("3","10","2","2","9","4","1") = "9"
    & skf18("3","10","2","2","9","5","1") = "9"
    & skf18("3","10","2","2","9","6","1") = "9"
    & skf18("3","10","2","2","9","7","1") = "9"
    & skf18("3","10","2","2","9","8","1") = "9"
    & skf18("3","10","2","2","9","9","1") = "9"
    & skf18("3","10","2","2","9","10","1") = "9"
    & skf18("3","10","2","2","10","1","1") = "9"
    & skf18("3","10","2","2","10","2","1") = "9"
    & skf18("3","10","2","2","10","3","1") = "9"
    & skf18("3","10","2","2","10","4","1") = "9"
    & skf18("3","10","2","2","10","5","1") = "9"
    & skf18("3","10","2","2","10","6","1") = "9"
    & skf18("3","10","2","2","10","7","1") = "9"
    & skf18("3","10","2","2","10","8","1") = "9"
    & skf18("3","10","2","2","10","9","1") = "9"
    & skf18("3","10","2","2","10","10","1") = "9"
    & skf18("3","10","2","3","1","1","1") = "9"
    & skf18("3","10","2","3","1","2","1") = "9"
    & skf18("3","10","2","3","1","3","1") = "9"
    & skf18("3","10","2","3","1","4","1") = "9"
    & skf18("3","10","2","3","1","5","1") = "9"
    & skf18("3","10","2","3","1","6","1") = "9"
    & skf18("3","10","2","3","1","7","1") = "9"
    & skf18("3","10","2","3","1","8","1") = "9"
    & skf18("3","10","2","3","1","9","1") = "9"
    & skf18("3","10","2","3","1","10","1") = "9"
    & skf18("3","10","2","3","2","1","1") = "9"
    & skf18("3","10","2","3","2","2","1") = "9"
    & skf18("3","10","2","3","2","3","1") = "9"
    & skf18("3","10","2","3","2","4","1") = "9"
    & skf18("3","10","2","3","2","5","1") = "9"
    & skf18("3","10","2","3","2","6","1") = "9"
    & skf18("3","10","2","3","2","7","1") = "9"
    & skf18("3","10","2","3","2","8","1") = "9"
    & skf18("3","10","2","3","2","9","1") = "9"
    & skf18("3","10","2","3","2","10","1") = "9"
    & skf18("3","10","2","3","3","1","1") = "9"
    & skf18("3","10","2","3","3","2","1") = "9"
    & skf18("3","10","2","3","3","3","1") = "9"
    & skf18("3","10","2","3","3","4","1") = "9"
    & skf18("3","10","2","3","3","5","1") = "9"
    & skf18("3","10","2","3","3","6","1") = "9"
    & skf18("3","10","2","3","3","7","1") = "9"
    & skf18("3","10","2","3","3","8","1") = "9"
    & skf18("3","10","2","3","3","9","1") = "9"
    & skf18("3","10","2","3","3","10","1") = "9"
    & skf18("3","10","2","3","4","1","1") = "9"
    & skf18("3","10","2","3","4","2","1") = "9"
    & skf18("3","10","2","3","4","3","1") = "9"
    & skf18("3","10","2","3","4","4","1") = "9"
    & skf18("3","10","2","3","4","5","1") = "9"
    & skf18("3","10","2","3","4","6","1") = "9"
    & skf18("3","10","2","3","4","7","1") = "9"
    & skf18("3","10","2","3","4","8","1") = "9"
    & skf18("3","10","2","3","4","9","1") = "9"
    & skf18("3","10","2","3","4","10","1") = "9"
    & skf18("3","10","2","3","5","1","1") = "9"
    & skf18("3","10","2","3","5","2","1") = "9"
    & skf18("3","10","2","3","5","3","1") = "9"
    & skf18("3","10","2","3","5","4","1") = "9"
    & skf18("3","10","2","3","5","5","1") = "9"
    & skf18("3","10","2","3","5","6","1") = "9"
    & skf18("3","10","2","3","5","7","1") = "9"
    & skf18("3","10","2","3","5","8","1") = "9"
    & skf18("3","10","2","3","5","9","1") = "9"
    & skf18("3","10","2","3","5","10","1") = "9"
    & skf18("3","10","2","3","6","1","1") = "9"
    & skf18("3","10","2","3","6","2","1") = "9"
    & skf18("3","10","2","3","6","3","1") = "9"
    & skf18("3","10","2","3","6","4","1") = "9"
    & skf18("3","10","2","3","6","5","1") = "9"
    & skf18("3","10","2","3","6","6","1") = "9"
    & skf18("3","10","2","3","6","7","1") = "9"
    & skf18("3","10","2","3","6","8","1") = "9"
    & skf18("3","10","2","3","6","9","1") = "9"
    & skf18("3","10","2","3","6","10","1") = "9"
    & skf18("3","10","2","3","7","1","1") = "9"
    & skf18("3","10","2","3","7","2","1") = "9"
    & skf18("3","10","2","3","7","3","1") = "9"
    & skf18("3","10","2","3","7","4","1") = "9"
    & skf18("3","10","2","3","7","5","1") = "9"
    & skf18("3","10","2","3","7","6","1") = "9"
    & skf18("3","10","2","3","7","7","1") = "9"
    & skf18("3","10","2","3","7","8","1") = "9"
    & skf18("3","10","2","3","7","9","1") = "9"
    & skf18("3","10","2","3","7","10","1") = "9"
    & skf18("3","10","2","3","8","1","1") = "9"
    & skf18("3","10","2","3","8","2","1") = "9"
    & skf18("3","10","2","3","8","3","1") = "9"
    & skf18("3","10","2","3","8","4","1") = "9"
    & skf18("3","10","2","3","8","5","1") = "9"
    & skf18("3","10","2","3","8","6","1") = "9"
    & skf18("3","10","2","3","8","7","1") = "9"
    & skf18("3","10","2","3","8","8","1") = "9"
    & skf18("3","10","2","3","8","9","1") = "9"
    & skf18("3","10","2","3","8","10","1") = "9"
    & skf18("3","10","2","3","9","1","1") = "9"
    & skf18("3","10","2","3","9","2","1") = "9"
    & skf18("3","10","2","3","9","3","1") = "9"
    & skf18("3","10","2","3","9","4","1") = "9"
    & skf18("3","10","2","3","9","5","1") = "9"
    & skf18("3","10","2","3","9","6","1") = "9"
    & skf18("3","10","2","3","9","7","1") = "9"
    & skf18("3","10","2","3","9","8","1") = "9"
    & skf18("3","10","2","3","9","9","1") = "9"
    & skf18("3","10","2","3","9","10","1") = "9"
    & skf18("3","10","2","3","10","1","1") = "9"
    & skf18("3","10","2","3","10","2","1") = "9"
    & skf18("3","10","2","3","10","3","1") = "9"
    & skf18("3","10","2","3","10","4","1") = "9"
    & skf18("3","10","2","3","10","5","1") = "9"
    & skf18("3","10","2","3","10","6","1") = "9"
    & skf18("3","10","2","3","10","7","1") = "9"
    & skf18("3","10","2","3","10","8","1") = "9"
    & skf18("3","10","2","3","10","9","1") = "9"
    & skf18("3","10","2","3","10","10","1") = "9"
    & skf18("3","10","2","4","1","1","1") = "9"
    & skf18("3","10","2","4","1","2","1") = "9"
    & skf18("3","10","2","4","1","3","1") = "9"
    & skf18("3","10","2","4","1","4","1") = "9"
    & skf18("3","10","2","4","1","5","1") = "9"
    & skf18("3","10","2","4","1","6","1") = "9"
    & skf18("3","10","2","4","1","7","1") = "9"
    & skf18("3","10","2","4","1","8","1") = "9"
    & skf18("3","10","2","4","1","9","1") = "9"
    & skf18("3","10","2","4","1","10","1") = "9"
    & skf18("3","10","2","4","2","1","1") = "9"
    & skf18("3","10","2","4","2","2","1") = "9"
    & skf18("3","10","2","4","2","3","1") = "9"
    & skf18("3","10","2","4","2","4","1") = "9"
    & skf18("3","10","2","4","2","5","1") = "9"
    & skf18("3","10","2","4","2","6","1") = "9"
    & skf18("3","10","2","4","2","7","1") = "9"
    & skf18("3","10","2","4","2","8","1") = "9"
    & skf18("3","10","2","4","2","9","1") = "9"
    & skf18("3","10","2","4","2","10","1") = "9"
    & skf18("3","10","2","4","3","1","1") = "9"
    & skf18("3","10","2","4","3","2","1") = "9"
    & skf18("3","10","2","4","3","3","1") = "9"
    & skf18("3","10","2","4","3","4","1") = "9"
    & skf18("3","10","2","4","3","5","1") = "9"
    & skf18("3","10","2","4","3","6","1") = "9"
    & skf18("3","10","2","4","3","7","1") = "9"
    & skf18("3","10","2","4","3","8","1") = "9"
    & skf18("3","10","2","4","3","9","1") = "9"
    & skf18("3","10","2","4","3","10","1") = "9"
    & skf18("3","10","2","4","4","1","1") = "9"
    & skf18("3","10","2","4","4","2","1") = "9"
    & skf18("3","10","2","4","4","3","1") = "9"
    & skf18("3","10","2","4","4","4","1") = "9"
    & skf18("3","10","2","4","4","5","1") = "9"
    & skf18("3","10","2","4","4","6","1") = "9"
    & skf18("3","10","2","4","4","7","1") = "9"
    & skf18("3","10","2","4","4","8","1") = "9"
    & skf18("3","10","2","4","4","9","1") = "9"
    & skf18("3","10","2","4","4","10","1") = "9"
    & skf18("3","10","2","4","5","1","1") = "9"
    & skf18("3","10","2","4","5","2","1") = "9"
    & skf18("3","10","2","4","5","3","1") = "9"
    & skf18("3","10","2","4","5","4","1") = "9"
    & skf18("3","10","2","4","5","5","1") = "9"
    & skf18("3","10","2","4","5","6","1") = "9"
    & skf18("3","10","2","4","5","7","1") = "9"
    & skf18("3","10","2","4","5","8","1") = "9"
    & skf18("3","10","2","4","5","9","1") = "9"
    & skf18("3","10","2","4","5","10","1") = "9"
    & skf18("3","10","2","4","6","1","1") = "9"
    & skf18("3","10","2","4","6","2","1") = "9"
    & skf18("3","10","2","4","6","3","1") = "9"
    & skf18("3","10","2","4","6","4","1") = "9"
    & skf18("3","10","2","4","6","5","1") = "9"
    & skf18("3","10","2","4","6","6","1") = "9"
    & skf18("3","10","2","4","6","7","1") = "9"
    & skf18("3","10","2","4","6","8","1") = "9"
    & skf18("3","10","2","4","6","9","1") = "9"
    & skf18("3","10","2","4","6","10","1") = "9"
    & skf18("3","10","2","4","7","1","1") = "9"
    & skf18("3","10","2","4","7","2","1") = "9"
    & skf18("3","10","2","4","7","3","1") = "9"
    & skf18("3","10","2","4","7","4","1") = "9"
    & skf18("3","10","2","4","7","5","1") = "9"
    & skf18("3","10","2","4","7","6","1") = "9"
    & skf18("3","10","2","4","7","7","1") = "9"
    & skf18("3","10","2","4","7","8","1") = "9"
    & skf18("3","10","2","4","7","9","1") = "9"
    & skf18("3","10","2","4","7","10","1") = "9"
    & skf18("3","10","2","4","8","1","1") = "9"
    & skf18("3","10","2","4","8","2","1") = "9"
    & skf18("3","10","2","4","8","3","1") = "9"
    & skf18("3","10","2","4","8","4","1") = "9"
    & skf18("3","10","2","4","8","5","1") = "9"
    & skf18("3","10","2","4","8","6","1") = "9"
    & skf18("3","10","2","4","8","7","1") = "9"
    & skf18("3","10","2","4","8","8","1") = "9"
    & skf18("3","10","2","4","8","9","1") = "9"
    & skf18("3","10","2","4","8","10","1") = "9"
    & skf18("3","10","2","4","9","1","1") = "9"
    & skf18("3","10","2","4","9","2","1") = "9"
    & skf18("3","10","2","4","9","3","1") = "9"
    & skf18("3","10","2","4","9","4","1") = "9"
    & skf18("3","10","2","4","9","5","1") = "9"
    & skf18("3","10","2","4","9","6","1") = "9"
    & skf18("3","10","2","4","9","7","1") = "9"
    & skf18("3","10","2","4","9","8","1") = "9"
    & skf18("3","10","2","4","9","9","1") = "9"
    & skf18("3","10","2","4","9","10","1") = "9"
    & skf18("3","10","2","4","10","1","1") = "9"
    & skf18("3","10","2","4","10","2","1") = "9"
    & skf18("3","10","2","4","10","3","1") = "9"
    & skf18("3","10","2","4","10","4","1") = "9"
    & skf18("3","10","2","4","10","5","1") = "9"
    & skf18("3","10","2","4","10","6","1") = "9"
    & skf18("3","10","2","4","10","7","1") = "9"
    & skf18("3","10","2","4","10","8","1") = "9"
    & skf18("3","10","2","4","10","9","1") = "9"
    & skf18("3","10","2","4","10","10","1") = "9"
    & skf18("3","10","2","5","1","1","1") = "9"
    & skf18("3","10","2","5","1","2","1") = "9"
    & skf18("3","10","2","5","1","3","1") = "9"
    & skf18("3","10","2","5","1","4","1") = "9"
    & skf18("3","10","2","5","1","5","1") = "9"
    & skf18("3","10","2","5","1","6","1") = "9"
    & skf18("3","10","2","5","1","7","1") = "9"
    & skf18("3","10","2","5","1","8","1") = "9"
    & skf18("3","10","2","5","1","9","1") = "9"
    & skf18("3","10","2","5","1","10","1") = "9"
    & skf18("3","10","2","5","2","1","1") = "9"
    & skf18("3","10","2","5","2","2","1") = "9"
    & skf18("3","10","2","5","2","3","1") = "9"
    & skf18("3","10","2","5","2","4","1") = "9"
    & skf18("3","10","2","5","2","5","1") = "9"
    & skf18("3","10","2","5","2","6","1") = "9"
    & skf18("3","10","2","5","2","7","1") = "9"
    & skf18("3","10","2","5","2","8","1") = "9"
    & skf18("3","10","2","5","2","9","1") = "9"
    & skf18("3","10","2","5","2","10","1") = "9"
    & skf18("3","10","2","5","3","1","1") = "9"
    & skf18("3","10","2","5","3","2","1") = "9"
    & skf18("3","10","2","5","3","3","1") = "9"
    & skf18("3","10","2","5","3","4","1") = "9"
    & skf18("3","10","2","5","3","5","1") = "9"
    & skf18("3","10","2","5","3","6","1") = "9"
    & skf18("3","10","2","5","3","7","1") = "9"
    & skf18("3","10","2","5","3","8","1") = "9"
    & skf18("3","10","2","5","3","9","1") = "9"
    & skf18("3","10","2","5","3","10","1") = "9"
    & skf18("3","10","2","5","4","1","1") = "9"
    & skf18("3","10","2","5","4","2","1") = "9"
    & skf18("3","10","2","5","4","3","1") = "9"
    & skf18("3","10","2","5","4","4","1") = "9"
    & skf18("3","10","2","5","4","5","1") = "9"
    & skf18("3","10","2","5","4","6","1") = "9"
    & skf18("3","10","2","5","4","7","1") = "9"
    & skf18("3","10","2","5","4","8","1") = "9"
    & skf18("3","10","2","5","4","9","1") = "9"
    & skf18("3","10","2","5","4","10","1") = "9"
    & skf18("3","10","2","5","5","1","1") = "9"
    & skf18("3","10","2","5","5","2","1") = "9"
    & skf18("3","10","2","5","5","3","1") = "9"
    & skf18("3","10","2","5","5","4","1") = "9"
    & skf18("3","10","2","5","5","5","1") = "9"
    & skf18("3","10","2","5","5","6","1") = "9"
    & skf18("3","10","2","5","5","7","1") = "9"
    & skf18("3","10","2","5","5","8","1") = "9"
    & skf18("3","10","2","5","5","9","1") = "9"
    & skf18("3","10","2","5","5","10","1") = "9"
    & skf18("3","10","2","5","6","1","1") = "9"
    & skf18("3","10","2","5","6","2","1") = "9"
    & skf18("3","10","2","5","6","3","1") = "9"
    & skf18("3","10","2","5","6","4","1") = "9"
    & skf18("3","10","2","5","6","5","1") = "9"
    & skf18("3","10","2","5","6","6","1") = "9"
    & skf18("3","10","2","5","6","7","1") = "9"
    & skf18("3","10","2","5","6","8","1") = "9"
    & skf18("3","10","2","5","6","9","1") = "9"
    & skf18("3","10","2","5","6","10","1") = "9"
    & skf18("3","10","2","5","7","1","1") = "9"
    & skf18("3","10","2","5","7","2","1") = "9"
    & skf18("3","10","2","5","7","3","1") = "9"
    & skf18("3","10","2","5","7","4","1") = "9"
    & skf18("3","10","2","5","7","5","1") = "9"
    & skf18("3","10","2","5","7","6","1") = "9"
    & skf18("3","10","2","5","7","7","1") = "9"
    & skf18("3","10","2","5","7","8","1") = "9"
    & skf18("3","10","2","5","7","9","1") = "9"
    & skf18("3","10","2","5","7","10","1") = "9"
    & skf18("3","10","2","5","8","1","1") = "9"
    & skf18("3","10","2","5","8","2","1") = "9"
    & skf18("3","10","2","5","8","3","1") = "9"
    & skf18("3","10","2","5","8","4","1") = "9"
    & skf18("3","10","2","5","8","5","1") = "9"
    & skf18("3","10","2","5","8","6","1") = "9"
    & skf18("3","10","2","5","8","7","1") = "9"
    & skf18("3","10","2","5","8","8","1") = "9"
    & skf18("3","10","2","5","8","9","1") = "9"
    & skf18("3","10","2","5","8","10","1") = "9"
    & skf18("3","10","2","5","9","1","1") = "9"
    & skf18("3","10","2","5","9","2","1") = "9"
    & skf18("3","10","2","5","9","3","1") = "9"
    & skf18("3","10","2","5","9","4","1") = "9"
    & skf18("3","10","2","5","9","5","1") = "9"
    & skf18("3","10","2","5","9","6","1") = "9"
    & skf18("3","10","2","5","9","7","1") = "9"
    & skf18("3","10","2","5","9","8","1") = "9"
    & skf18("3","10","2","5","9","9","1") = "9"
    & skf18("3","10","2","5","9","10","1") = "9"
    & skf18("3","10","2","5","10","1","1") = "9"
    & skf18("3","10","2","5","10","2","1") = "9"
    & skf18("3","10","2","5","10","3","1") = "9"
    & skf18("3","10","2","5","10","4","1") = "9"
    & skf18("3","10","2","5","10","5","1") = "9"
    & skf18("3","10","2","5","10","6","1") = "9"
    & skf18("3","10","2","5","10","7","1") = "9"
    & skf18("3","10","2","5","10","8","1") = "9"
    & skf18("3","10","2","5","10","9","1") = "9"
    & skf18("3","10","2","5","10","10","1") = "9"
    & skf18("3","10","2","6","1","1","1") = "9"
    & skf18("3","10","2","6","1","2","1") = "9"
    & skf18("3","10","2","6","1","3","1") = "9"
    & skf18("3","10","2","6","1","4","1") = "9"
    & skf18("3","10","2","6","1","5","1") = "9"
    & skf18("3","10","2","6","1","6","1") = "9"
    & skf18("3","10","2","6","1","7","1") = "9"
    & skf18("3","10","2","6","1","8","1") = "9"
    & skf18("3","10","2","6","1","9","1") = "9"
    & skf18("3","10","2","6","1","10","1") = "9"
    & skf18("3","10","2","6","2","1","1") = "9"
    & skf18("3","10","2","6","2","2","1") = "9"
    & skf18("3","10","2","6","2","3","1") = "9"
    & skf18("3","10","2","6","2","4","1") = "9"
    & skf18("3","10","2","6","2","5","1") = "9"
    & skf18("3","10","2","6","2","6","1") = "9"
    & skf18("3","10","2","6","2","7","1") = "9"
    & skf18("3","10","2","6","2","8","1") = "9"
    & skf18("3","10","2","6","2","9","1") = "9"
    & skf18("3","10","2","6","2","10","1") = "9"
    & skf18("3","10","2","6","3","1","1") = "9"
    & skf18("3","10","2","6","3","2","1") = "9"
    & skf18("3","10","2","6","3","3","1") = "9"
    & skf18("3","10","2","6","3","4","1") = "9"
    & skf18("3","10","2","6","3","5","1") = "9"
    & skf18("3","10","2","6","3","6","1") = "9"
    & skf18("3","10","2","6","3","7","1") = "9"
    & skf18("3","10","2","6","3","8","1") = "9"
    & skf18("3","10","2","6","3","9","1") = "9"
    & skf18("3","10","2","6","3","10","1") = "9"
    & skf18("3","10","2","6","4","1","1") = "9"
    & skf18("3","10","2","6","4","2","1") = "9"
    & skf18("3","10","2","6","4","3","1") = "9"
    & skf18("3","10","2","6","4","4","1") = "9"
    & skf18("3","10","2","6","4","5","1") = "9"
    & skf18("3","10","2","6","4","6","1") = "9"
    & skf18("3","10","2","6","4","7","1") = "9"
    & skf18("3","10","2","6","4","8","1") = "9"
    & skf18("3","10","2","6","4","9","1") = "9"
    & skf18("3","10","2","6","4","10","1") = "9"
    & skf18("3","10","2","6","5","1","1") = "9"
    & skf18("3","10","2","6","5","2","1") = "9"
    & skf18("3","10","2","6","5","3","1") = "9"
    & skf18("3","10","2","6","5","4","1") = "9"
    & skf18("3","10","2","6","5","5","1") = "9"
    & skf18("3","10","2","6","5","6","1") = "9"
    & skf18("3","10","2","6","5","7","1") = "9"
    & skf18("3","10","2","6","5","8","1") = "9"
    & skf18("3","10","2","6","5","9","1") = "9"
    & skf18("3","10","2","6","5","10","1") = "9"
    & skf18("3","10","2","6","6","1","1") = "9"
    & skf18("3","10","2","6","6","2","1") = "9"
    & skf18("3","10","2","6","6","3","1") = "9"
    & skf18("3","10","2","6","6","4","1") = "9"
    & skf18("3","10","2","6","6","5","1") = "9"
    & skf18("3","10","2","6","6","6","1") = "9"
    & skf18("3","10","2","6","6","7","1") = "9"
    & skf18("3","10","2","6","6","8","1") = "9"
    & skf18("3","10","2","6","6","9","1") = "9"
    & skf18("3","10","2","6","6","10","1") = "9"
    & skf18("3","10","2","6","7","1","1") = "9"
    & skf18("3","10","2","6","7","2","1") = "9"
    & skf18("3","10","2","6","7","3","1") = "9"
    & skf18("3","10","2","6","7","4","1") = "9"
    & skf18("3","10","2","6","7","5","1") = "9"
    & skf18("3","10","2","6","7","6","1") = "9"
    & skf18("3","10","2","6","7","7","1") = "9"
    & skf18("3","10","2","6","7","8","1") = "9"
    & skf18("3","10","2","6","7","9","1") = "9"
    & skf18("3","10","2","6","7","10","1") = "9"
    & skf18("3","10","2","6","8","1","1") = "9"
    & skf18("3","10","2","6","8","2","1") = "9"
    & skf18("3","10","2","6","8","3","1") = "9"
    & skf18("3","10","2","6","8","4","1") = "9"
    & skf18("3","10","2","6","8","5","1") = "9"
    & skf18("3","10","2","6","8","6","1") = "9"
    & skf18("3","10","2","6","8","7","1") = "9"
    & skf18("3","10","2","6","8","8","1") = "9"
    & skf18("3","10","2","6","8","9","1") = "9"
    & skf18("3","10","2","6","8","10","1") = "9"
    & skf18("3","10","2","6","9","1","1") = "9"
    & skf18("3","10","2","6","9","2","1") = "9"
    & skf18("3","10","2","6","9","3","1") = "9"
    & skf18("3","10","2","6","9","4","1") = "9"
    & skf18("3","10","2","6","9","5","1") = "9"
    & skf18("3","10","2","6","9","6","1") = "9"
    & skf18("3","10","2","6","9","7","1") = "9"
    & skf18("3","10","2","6","9","8","1") = "9"
    & skf18("3","10","2","6","9","9","1") = "9"
    & skf18("3","10","2","6","9","10","1") = "9"
    & skf18("3","10","2","6","10","1","1") = "9"
    & skf18("3","10","2","6","10","2","1") = "9"
    & skf18("3","10","2","6","10","3","1") = "9"
    & skf18("3","10","2","6","10","4","1") = "9"
    & skf18("3","10","2","6","10","5","1") = "9"
    & skf18("3","10","2","6","10","6","1") = "9"
    & skf18("3","10","2","6","10","7","1") = "9"
    & skf18("3","10","2","6","10","8","1") = "9"
    & skf18("3","10","2","6","10","9","1") = "9"
    & skf18("3","10","2","6","10","10","1") = "9"
    & skf18("3","10","2","7","1","1","1") = "9"
    & skf18("3","10","2","7","1","2","1") = "9"
    & skf18("3","10","2","7","1","3","1") = "9"
    & skf18("3","10","2","7","1","4","1") = "9"
    & skf18("3","10","2","7","1","5","1") = "9"
    & skf18("3","10","2","7","1","6","1") = "9"
    & skf18("3","10","2","7","1","7","1") = "9"
    & skf18("3","10","2","7","1","8","1") = "9"
    & skf18("3","10","2","7","1","9","1") = "9"
    & skf18("3","10","2","7","1","10","1") = "9"
    & skf18("3","10","2","7","2","1","1") = "9"
    & skf18("3","10","2","7","2","2","1") = "9"
    & skf18("3","10","2","7","2","3","1") = "9"
    & skf18("3","10","2","7","2","4","1") = "9"
    & skf18("3","10","2","7","2","5","1") = "9"
    & skf18("3","10","2","7","2","6","1") = "9"
    & skf18("3","10","2","7","2","7","1") = "9"
    & skf18("3","10","2","7","2","8","1") = "9"
    & skf18("3","10","2","7","2","9","1") = "9"
    & skf18("3","10","2","7","2","10","1") = "9"
    & skf18("3","10","2","7","3","1","1") = "9"
    & skf18("3","10","2","7","3","2","1") = "9"
    & skf18("3","10","2","7","3","3","1") = "9"
    & skf18("3","10","2","7","3","4","1") = "9"
    & skf18("3","10","2","7","3","5","1") = "9"
    & skf18("3","10","2","7","3","6","1") = "9"
    & skf18("3","10","2","7","3","7","1") = "9"
    & skf18("3","10","2","7","3","8","1") = "9"
    & skf18("3","10","2","7","3","9","1") = "9"
    & skf18("3","10","2","7","3","10","1") = "9"
    & skf18("3","10","2","7","4","1","1") = "9"
    & skf18("3","10","2","7","4","2","1") = "9"
    & skf18("3","10","2","7","4","3","1") = "9"
    & skf18("3","10","2","7","4","4","1") = "9"
    & skf18("3","10","2","7","4","5","1") = "9"
    & skf18("3","10","2","7","4","6","1") = "9"
    & skf18("3","10","2","7","4","7","1") = "9"
    & skf18("3","10","2","7","4","8","1") = "9"
    & skf18("3","10","2","7","4","9","1") = "9"
    & skf18("3","10","2","7","4","10","1") = "9"
    & skf18("3","10","2","7","5","1","1") = "9"
    & skf18("3","10","2","7","5","2","1") = "9"
    & skf18("3","10","2","7","5","3","1") = "9"
    & skf18("3","10","2","7","5","4","1") = "9"
    & skf18("3","10","2","7","5","5","1") = "9"
    & skf18("3","10","2","7","5","6","1") = "9"
    & skf18("3","10","2","7","5","7","1") = "9"
    & skf18("3","10","2","7","5","8","1") = "9"
    & skf18("3","10","2","7","5","9","1") = "9"
    & skf18("3","10","2","7","5","10","1") = "9"
    & skf18("3","10","2","7","6","1","1") = "9"
    & skf18("3","10","2","7","6","2","1") = "9"
    & skf18("3","10","2","7","6","3","1") = "9"
    & skf18("3","10","2","7","6","4","1") = "9"
    & skf18("3","10","2","7","6","5","1") = "9"
    & skf18("3","10","2","7","6","6","1") = "9"
    & skf18("3","10","2","7","6","7","1") = "9"
    & skf18("3","10","2","7","6","8","1") = "9"
    & skf18("3","10","2","7","6","9","1") = "9"
    & skf18("3","10","2","7","6","10","1") = "9"
    & skf18("3","10","2","7","7","1","1") = "9"
    & skf18("3","10","2","7","7","2","1") = "9"
    & skf18("3","10","2","7","7","3","1") = "9"
    & skf18("3","10","2","7","7","4","1") = "9"
    & skf18("3","10","2","7","7","5","1") = "9"
    & skf18("3","10","2","7","7","6","1") = "9"
    & skf18("3","10","2","7","7","7","1") = "9"
    & skf18("3","10","2","7","7","8","1") = "9"
    & skf18("3","10","2","7","7","9","1") = "9"
    & skf18("3","10","2","7","7","10","1") = "9"
    & skf18("3","10","2","7","8","1","1") = "9"
    & skf18("3","10","2","7","8","2","1") = "9"
    & skf18("3","10","2","7","8","3","1") = "9"
    & skf18("3","10","2","7","8","4","1") = "9"
    & skf18("3","10","2","7","8","5","1") = "9"
    & skf18("3","10","2","7","8","6","1") = "9"
    & skf18("3","10","2","7","8","7","1") = "9"
    & skf18("3","10","2","7","8","8","1") = "9"
    & skf18("3","10","2","7","8","9","1") = "9"
    & skf18("3","10","2","7","8","10","1") = "9"
    & skf18("3","10","2","7","9","1","1") = "9"
    & skf18("3","10","2","7","9","2","1") = "9"
    & skf18("3","10","2","7","9","3","1") = "9"
    & skf18("3","10","2","7","9","4","1") = "9"
    & skf18("3","10","2","7","9","5","1") = "9"
    & skf18("3","10","2","7","9","6","1") = "9"
    & skf18("3","10","2","7","9","7","1") = "9"
    & skf18("3","10","2","7","9","8","1") = "9"
    & skf18("3","10","2","7","9","9","1") = "9"
    & skf18("3","10","2","7","9","10","1") = "9"
    & skf18("3","10","2","7","10","1","1") = "9"
    & skf18("3","10","2","7","10","2","1") = "9"
    & skf18("3","10","2","7","10","3","1") = "9"
    & skf18("3","10","2","7","10","4","1") = "9"
    & skf18("3","10","2","7","10","5","1") = "9"
    & skf18("3","10","2","7","10","6","1") = "9"
    & skf18("3","10","2","7","10","7","1") = "9"
    & skf18("3","10","2","7","10","8","1") = "9"
    & skf18("3","10","2","7","10","9","1") = "9"
    & skf18("3","10","2","7","10","10","1") = "9"
    & skf18("3","10","2","8","1","1","1") = "9"
    & skf18("3","10","2","8","1","2","1") = "9"
    & skf18("3","10","2","8","1","3","1") = "9"
    & skf18("3","10","2","8","1","4","1") = "9"
    & skf18("3","10","2","8","1","5","1") = "9"
    & skf18("3","10","2","8","1","6","1") = "9"
    & skf18("3","10","2","8","1","7","1") = "9"
    & skf18("3","10","2","8","1","8","1") = "9"
    & skf18("3","10","2","8","1","9","1") = "9"
    & skf18("3","10","2","8","1","10","1") = "9"
    & skf18("3","10","2","8","2","1","1") = "9"
    & skf18("3","10","2","8","2","2","1") = "9"
    & skf18("3","10","2","8","2","3","1") = "9"
    & skf18("3","10","2","8","2","4","1") = "9"
    & skf18("3","10","2","8","2","5","1") = "9"
    & skf18("3","10","2","8","2","6","1") = "9"
    & skf18("3","10","2","8","2","7","1") = "9"
    & skf18("3","10","2","8","2","8","1") = "9"
    & skf18("3","10","2","8","2","9","1") = "9"
    & skf18("3","10","2","8","2","10","1") = "9"
    & skf18("3","10","2","8","3","1","1") = "9"
    & skf18("3","10","2","8","3","2","1") = "9"
    & skf18("3","10","2","8","3","3","1") = "9"
    & skf18("3","10","2","8","3","4","1") = "9"
    & skf18("3","10","2","8","3","5","1") = "9"
    & skf18("3","10","2","8","3","6","1") = "9"
    & skf18("3","10","2","8","3","7","1") = "9"
    & skf18("3","10","2","8","3","8","1") = "9"
    & skf18("3","10","2","8","3","9","1") = "9"
    & skf18("3","10","2","8","3","10","1") = "9"
    & skf18("3","10","2","8","4","1","1") = "9"
    & skf18("3","10","2","8","4","2","1") = "9"
    & skf18("3","10","2","8","4","3","1") = "9"
    & skf18("3","10","2","8","4","4","1") = "9"
    & skf18("3","10","2","8","4","5","1") = "9"
    & skf18("3","10","2","8","4","6","1") = "9"
    & skf18("3","10","2","8","4","7","1") = "9"
    & skf18("3","10","2","8","4","8","1") = "9"
    & skf18("3","10","2","8","4","9","1") = "9"
    & skf18("3","10","2","8","4","10","1") = "9"
    & skf18("3","10","2","8","5","1","1") = "9"
    & skf18("3","10","2","8","5","2","1") = "9"
    & skf18("3","10","2","8","5","3","1") = "9"
    & skf18("3","10","2","8","5","4","1") = "9"
    & skf18("3","10","2","8","5","5","1") = "9"
    & skf18("3","10","2","8","5","6","1") = "9"
    & skf18("3","10","2","8","5","7","1") = "9"
    & skf18("3","10","2","8","5","8","1") = "9"
    & skf18("3","10","2","8","5","9","1") = "9"
    & skf18("3","10","2","8","5","10","1") = "9"
    & skf18("3","10","2","8","6","1","1") = "9"
    & skf18("3","10","2","8","6","2","1") = "9"
    & skf18("3","10","2","8","6","3","1") = "9"
    & skf18("3","10","2","8","6","4","1") = "9"
    & skf18("3","10","2","8","6","5","1") = "9"
    & skf18("3","10","2","8","6","6","1") = "9"
    & skf18("3","10","2","8","6","7","1") = "9"
    & skf18("3","10","2","8","6","8","1") = "9"
    & skf18("3","10","2","8","6","9","1") = "9"
    & skf18("3","10","2","8","6","10","1") = "9"
    & skf18("3","10","2","8","7","1","1") = "9"
    & skf18("3","10","2","8","7","2","1") = "9"
    & skf18("3","10","2","8","7","3","1") = "9"
    & skf18("3","10","2","8","7","4","1") = "9"
    & skf18("3","10","2","8","7","5","1") = "9"
    & skf18("3","10","2","8","7","6","1") = "9"
    & skf18("3","10","2","8","7","7","1") = "9"
    & skf18("3","10","2","8","7","8","1") = "9"
    & skf18("3","10","2","8","7","9","1") = "9"
    & skf18("3","10","2","8","7","10","1") = "9"
    & skf18("3","10","2","8","8","1","1") = "9"
    & skf18("3","10","2","8","8","2","1") = "9"
    & skf18("3","10","2","8","8","3","1") = "9"
    & skf18("3","10","2","8","8","4","1") = "9"
    & skf18("3","10","2","8","8","5","1") = "9"
    & skf18("3","10","2","8","8","6","1") = "9"
    & skf18("3","10","2","8","8","7","1") = "9"
    & skf18("3","10","2","8","8","8","1") = "9"
    & skf18("3","10","2","8","8","9","1") = "9"
    & skf18("3","10","2","8","8","10","1") = "9"
    & skf18("3","10","2","8","9","1","1") = "9"
    & skf18("3","10","2","8","9","2","1") = "9"
    & skf18("3","10","2","8","9","3","1") = "9"
    & skf18("3","10","2","8","9","4","1") = "9"
    & skf18("3","10","2","8","9","5","1") = "9"
    & skf18("3","10","2","8","9","6","1") = "9"
    & skf18("3","10","2","8","9","7","1") = "9"
    & skf18("3","10","2","8","9","8","1") = "9"
    & skf18("3","10","2","8","9","9","1") = "9"
    & skf18("3","10","2","8","9","10","1") = "9"
    & skf18("3","10","2","8","10","1","1") = "9"
    & skf18("3","10","2","8","10","2","1") = "9"
    & skf18("3","10","2","8","10","3","1") = "9"
    & skf18("3","10","2","8","10","4","1") = "9"
    & skf18("3","10","2","8","10","5","1") = "9"
    & skf18("3","10","2","8","10","6","1") = "9"
    & skf18("3","10","2","8","10","7","1") = "9"
    & skf18("3","10","2","8","10","8","1") = "9"
    & skf18("3","10","2","8","10","9","1") = "9"
    & skf18("3","10","2","8","10","10","1") = "9"
    & skf18("3","10","2","9","1","1","1") = "9"
    & skf18("3","10","2","9","1","2","1") = "9"
    & skf18("3","10","2","9","1","3","1") = "9"
    & skf18("3","10","2","9","1","4","1") = "9"
    & skf18("3","10","2","9","1","5","1") = "9"
    & skf18("3","10","2","9","1","6","1") = "9"
    & skf18("3","10","2","9","1","7","1") = "9"
    & skf18("3","10","2","9","1","8","1") = "9"
    & skf18("3","10","2","9","1","9","1") = "9"
    & skf18("3","10","2","9","1","10","1") = "9"
    & skf18("3","10","2","9","2","1","1") = "9"
    & skf18("3","10","2","9","2","2","1") = "9"
    & skf18("3","10","2","9","2","3","1") = "9"
    & skf18("3","10","2","9","2","4","1") = "9"
    & skf18("3","10","2","9","2","5","1") = "9"
    & skf18("3","10","2","9","2","6","1") = "9"
    & skf18("3","10","2","9","2","7","1") = "9"
    & skf18("3","10","2","9","2","8","1") = "9"
    & skf18("3","10","2","9","2","9","1") = "9"
    & skf18("3","10","2","9","2","10","1") = "9"
    & skf18("3","10","2","9","3","1","1") = "9"
    & skf18("3","10","2","9","3","2","1") = "9"
    & skf18("3","10","2","9","3","3","1") = "9"
    & skf18("3","10","2","9","3","4","1") = "9"
    & skf18("3","10","2","9","3","5","1") = "9"
    & skf18("3","10","2","9","3","6","1") = "9"
    & skf18("3","10","2","9","3","7","1") = "9"
    & skf18("3","10","2","9","3","8","1") = "9"
    & skf18("3","10","2","9","3","9","1") = "9"
    & skf18("3","10","2","9","3","10","1") = "9"
    & skf18("3","10","2","9","4","1","1") = "9"
    & skf18("3","10","2","9","4","2","1") = "9"
    & skf18("3","10","2","9","4","3","1") = "9"
    & skf18("3","10","2","9","4","4","1") = "9"
    & skf18("3","10","2","9","4","5","1") = "9"
    & skf18("3","10","2","9","4","6","1") = "9"
    & skf18("3","10","2","9","4","7","1") = "9"
    & skf18("3","10","2","9","4","8","1") = "9"
    & skf18("3","10","2","9","4","9","1") = "9"
    & skf18("3","10","2","9","4","10","1") = "9"
    & skf18("3","10","2","9","5","1","1") = "9"
    & skf18("3","10","2","9","5","2","1") = "9"
    & skf18("3","10","2","9","5","3","1") = "9"
    & skf18("3","10","2","9","5","4","1") = "9"
    & skf18("3","10","2","9","5","5","1") = "9"
    & skf18("3","10","2","9","5","6","1") = "9"
    & skf18("3","10","2","9","5","7","1") = "9"
    & skf18("3","10","2","9","5","8","1") = "9"
    & skf18("3","10","2","9","5","9","1") = "9"
    & skf18("3","10","2","9","5","10","1") = "9"
    & skf18("3","10","2","9","6","1","1") = "9"
    & skf18("3","10","2","9","6","2","1") = "9"
    & skf18("3","10","2","9","6","3","1") = "9"
    & skf18("3","10","2","9","6","4","1") = "9"
    & skf18("3","10","2","9","6","5","1") = "9"
    & skf18("3","10","2","9","6","6","1") = "9"
    & skf18("3","10","2","9","6","7","1") = "9"
    & skf18("3","10","2","9","6","8","1") = "9"
    & skf18("3","10","2","9","6","9","1") = "9"
    & skf18("3","10","2","9","6","10","1") = "9"
    & skf18("3","10","2","9","7","1","1") = "9"
    & skf18("3","10","2","9","7","2","1") = "9"
    & skf18("3","10","2","9","7","3","1") = "9"
    & skf18("3","10","2","9","7","4","1") = "9"
    & skf18("3","10","2","9","7","5","1") = "9"
    & skf18("3","10","2","9","7","6","1") = "9"
    & skf18("3","10","2","9","7","7","1") = "9"
    & skf18("3","10","2","9","7","8","1") = "9"
    & skf18("3","10","2","9","7","9","1") = "9"
    & skf18("3","10","2","9","7","10","1") = "9"
    & skf18("3","10","2","9","8","1","1") = "9"
    & skf18("3","10","2","9","8","2","1") = "9"
    & skf18("3","10","2","9","8","3","1") = "9"
    & skf18("3","10","2","9","8","4","1") = "9"
    & skf18("3","10","2","9","8","5","1") = "9"
    & skf18("3","10","2","9","8","6","1") = "9"
    & skf18("3","10","2","9","8","7","1") = "9"
    & skf18("3","10","2","9","8","8","1") = "9"
    & skf18("3","10","2","9","8","9","1") = "9"
    & skf18("3","10","2","9","8","10","1") = "9"
    & skf18("3","10","2","9","9","1","1") = "9"
    & skf18("3","10","2","9","9","2","1") = "9"
    & skf18("3","10","2","9","9","3","1") = "9"
    & skf18("3","10","2","9","9","4","1") = "9"
    & skf18("3","10","2","9","9","5","1") = "9"
    & skf18("3","10","2","9","9","6","1") = "9"
    & skf18("3","10","2","9","9","7","1") = "9"
    & skf18("3","10","2","9","9","8","1") = "9"
    & skf18("3","10","2","9","9","9","1") = "9"
    & skf18("3","10","2","9","9","10","1") = "9"
    & skf18("3","10","2","9","10","1","1") = "9"
    & skf18("3","10","2","9","10","2","1") = "9"
    & skf18("3","10","2","9","10","3","1") = "9"
    & skf18("3","10","2","9","10","4","1") = "9"
    & skf18("3","10","2","9","10","5","1") = "9"
    & skf18("3","10","2","9","10","6","1") = "9"
    & skf18("3","10","2","9","10","7","1") = "9"
    & skf18("3","10","2","9","10","8","1") = "9"
    & skf18("3","10","2","9","10","9","1") = "9"
    & skf18("3","10","2","9","10","10","1") = "9"
    & skf18("3","10","2","10","1","1","1") = "9"
    & skf18("3","10","2","10","1","2","1") = "9"
    & skf18("3","10","2","10","1","3","1") = "9"
    & skf18("3","10","2","10","1","4","1") = "9"
    & skf18("3","10","2","10","1","5","1") = "9"
    & skf18("3","10","2","10","1","6","1") = "9"
    & skf18("3","10","2","10","1","7","1") = "9"
    & skf18("3","10","2","10","1","8","1") = "9"
    & skf18("3","10","2","10","1","9","1") = "9"
    & skf18("3","10","2","10","1","10","1") = "9"
    & skf18("3","10","2","10","2","1","1") = "9"
    & skf18("3","10","2","10","2","2","1") = "9"
    & skf18("3","10","2","10","2","3","1") = "9"
    & skf18("3","10","2","10","2","4","1") = "9"
    & skf18("3","10","2","10","2","5","1") = "9"
    & skf18("3","10","2","10","2","6","1") = "9"
    & skf18("3","10","2","10","2","7","1") = "9"
    & skf18("3","10","2","10","2","8","1") = "9"
    & skf18("3","10","2","10","2","9","1") = "9"
    & skf18("3","10","2","10","2","10","1") = "9"
    & skf18("3","10","2","10","3","1","1") = "9"
    & skf18("3","10","2","10","3","2","1") = "9"
    & skf18("3","10","2","10","3","3","1") = "9"
    & skf18("3","10","2","10","3","4","1") = "9"
    & skf18("3","10","2","10","3","5","1") = "9"
    & skf18("3","10","2","10","3","6","1") = "9"
    & skf18("3","10","2","10","3","7","1") = "9"
    & skf18("3","10","2","10","3","8","1") = "9"
    & skf18("3","10","2","10","3","9","1") = "9"
    & skf18("3","10","2","10","3","10","1") = "9"
    & skf18("3","10","2","10","4","1","1") = "9"
    & skf18("3","10","2","10","4","2","1") = "9"
    & skf18("3","10","2","10","4","3","1") = "9"
    & skf18("3","10","2","10","4","4","1") = "9"
    & skf18("3","10","2","10","4","5","1") = "9"
    & skf18("3","10","2","10","4","6","1") = "9"
    & skf18("3","10","2","10","4","7","1") = "9"
    & skf18("3","10","2","10","4","8","1") = "9"
    & skf18("3","10","2","10","4","9","1") = "9"
    & skf18("3","10","2","10","4","10","1") = "9"
    & skf18("3","10","2","10","5","1","1") = "9"
    & skf18("3","10","2","10","5","2","1") = "9"
    & skf18("3","10","2","10","5","3","1") = "9"
    & skf18("3","10","2","10","5","4","1") = "9"
    & skf18("3","10","2","10","5","5","1") = "9"
    & skf18("3","10","2","10","5","6","1") = "9"
    & skf18("3","10","2","10","5","7","1") = "9"
    & skf18("3","10","2","10","5","8","1") = "9"
    & skf18("3","10","2","10","5","9","1") = "9"
    & skf18("3","10","2","10","5","10","1") = "9"
    & skf18("3","10","2","10","6","1","1") = "9"
    & skf18("3","10","2","10","6","2","1") = "9"
    & skf18("3","10","2","10","6","3","1") = "9"
    & skf18("3","10","2","10","6","4","1") = "9"
    & skf18("3","10","2","10","6","5","1") = "9"
    & skf18("3","10","2","10","6","6","1") = "9"
    & skf18("3","10","2","10","6","7","1") = "9"
    & skf18("3","10","2","10","6","8","1") = "9"
    & skf18("3","10","2","10","6","9","1") = "9"
    & skf18("3","10","2","10","6","10","1") = "9"
    & skf18("3","10","2","10","7","1","1") = "9"
    & skf18("3","10","2","10","7","2","1") = "9"
    & skf18("3","10","2","10","7","3","1") = "9"
    & skf18("3","10","2","10","7","4","1") = "9"
    & skf18("3","10","2","10","7","5","1") = "9"
    & skf18("3","10","2","10","7","6","1") = "9"
    & skf18("3","10","2","10","7","7","1") = "9"
    & skf18("3","10","2","10","7","8","1") = "9"
    & skf18("3","10","2","10","7","9","1") = "9"
    & skf18("3","10","2","10","7","10","1") = "9"
    & skf18("3","10","2","10","8","1","1") = "9"
    & skf18("3","10","2","10","8","2","1") = "9"
    & skf18("3","10","2","10","8","3","1") = "9"
    & skf18("3","10","2","10","8","4","1") = "9"
    & skf18("3","10","2","10","8","5","1") = "9"
    & skf18("3","10","2","10","8","6","1") = "9"
    & skf18("3","10","2","10","8","7","1") = "9"
    & skf18("3","10","2","10","8","8","1") = "9"
    & skf18("3","10","2","10","8","9","1") = "9"
    & skf18("3","10","2","10","8","10","1") = "9"
    & skf18("3","10","2","10","9","1","1") = "9"
    & skf18("3","10","2","10","9","2","1") = "9"
    & skf18("3","10","2","10","9","3","1") = "9"
    & skf18("3","10","2","10","9","4","1") = "9"
    & skf18("3","10","2","10","9","5","1") = "9"
    & skf18("3","10","2","10","9","6","1") = "9"
    & skf18("3","10","2","10","9","7","1") = "9"
    & skf18("3","10","2","10","9","8","1") = "9"
    & skf18("3","10","2","10","9","9","1") = "9"
    & skf18("3","10","2","10","9","10","1") = "9"
    & skf18("3","10","2","10","10","1","1") = "9"
    & skf18("3","10","2","10","10","2","1") = "9"
    & skf18("3","10","2","10","10","3","1") = "9"
    & skf18("3","10","2","10","10","4","1") = "9"
    & skf18("3","10","2","10","10","5","1") = "9"
    & skf18("3","10","2","10","10","6","1") = "9"
    & skf18("3","10","2","10","10","7","1") = "9"
    & skf18("3","10","2","10","10","8","1") = "9"
    & skf18("3","10","2","10","10","9","1") = "9"
    & skf18("3","10","2","10","10","10","1") = "9"
    & skf18("3","10","3","1","1","1","1") = "9"
    & skf18("3","10","3","1","1","2","1") = "9"
    & skf18("3","10","3","1","1","3","1") = "9"
    & skf18("3","10","3","1","1","4","1") = "9"
    & skf18("3","10","3","1","1","5","1") = "9"
    & skf18("3","10","3","1","1","6","1") = "9"
    & skf18("3","10","3","1","1","7","1") = "9"
    & skf18("3","10","3","1","1","8","1") = "9"
    & skf18("3","10","3","1","1","9","1") = "9"
    & skf18("3","10","3","1","1","10","1") = "9"
    & skf18("3","10","3","1","2","1","1") = "9"
    & skf18("3","10","3","1","2","2","1") = "9"
    & skf18("3","10","3","1","2","3","1") = "9"
    & skf18("3","10","3","1","2","4","1") = "9"
    & skf18("3","10","3","1","2","5","1") = "9"
    & skf18("3","10","3","1","2","6","1") = "9"
    & skf18("3","10","3","1","2","7","1") = "9"
    & skf18("3","10","3","1","2","8","1") = "9"
    & skf18("3","10","3","1","2","9","1") = "9"
    & skf18("3","10","3","1","2","10","1") = "9"
    & skf18("3","10","3","1","3","1","1") = "9"
    & skf18("3","10","3","1","3","2","1") = "9"
    & skf18("3","10","3","1","3","3","1") = "9"
    & skf18("3","10","3","1","3","4","1") = "9"
    & skf18("3","10","3","1","3","5","1") = "9"
    & skf18("3","10","3","1","3","6","1") = "9"
    & skf18("3","10","3","1","3","7","1") = "9"
    & skf18("3","10","3","1","3","8","1") = "9"
    & skf18("3","10","3","1","3","9","1") = "9"
    & skf18("3","10","3","1","3","10","1") = "9"
    & skf18("3","10","3","1","4","1","1") = "9"
    & skf18("3","10","3","1","4","2","1") = "9"
    & skf18("3","10","3","1","4","3","1") = "9"
    & skf18("3","10","3","1","4","4","1") = "9"
    & skf18("3","10","3","1","4","5","1") = "9"
    & skf18("3","10","3","1","4","6","1") = "9"
    & skf18("3","10","3","1","4","7","1") = "9"
    & skf18("3","10","3","1","4","8","1") = "9"
    & skf18("3","10","3","1","4","9","1") = "9"
    & skf18("3","10","3","1","4","10","1") = "9"
    & skf18("3","10","3","1","5","1","1") = "9"
    & skf18("3","10","3","1","5","2","1") = "9"
    & skf18("3","10","3","1","5","3","1") = "9"
    & skf18("3","10","3","1","5","4","1") = "9"
    & skf18("3","10","3","1","5","5","1") = "9"
    & skf18("3","10","3","1","5","6","1") = "9"
    & skf18("3","10","3","1","5","7","1") = "9"
    & skf18("3","10","3","1","5","8","1") = "9"
    & skf18("3","10","3","1","5","9","1") = "9"
    & skf18("3","10","3","1","5","10","1") = "9"
    & skf18("3","10","3","1","6","1","1") = "9"
    & skf18("3","10","3","1","6","2","1") = "9"
    & skf18("3","10","3","1","6","3","1") = "9"
    & skf18("3","10","3","1","6","4","1") = "9"
    & skf18("3","10","3","1","6","5","1") = "9"
    & skf18("3","10","3","1","6","6","1") = "9"
    & skf18("3","10","3","1","6","7","1") = "9"
    & skf18("3","10","3","1","6","8","1") = "9"
    & skf18("3","10","3","1","6","9","1") = "9"
    & skf18("3","10","3","1","6","10","1") = "9"
    & skf18("3","10","3","1","7","1","1") = "9"
    & skf18("3","10","3","1","7","2","1") = "9"
    & skf18("3","10","3","1","7","3","1") = "9"
    & skf18("3","10","3","1","7","4","1") = "9"
    & skf18("3","10","3","1","7","5","1") = "9"
    & skf18("3","10","3","1","7","6","1") = "9"
    & skf18("3","10","3","1","7","7","1") = "9"
    & skf18("3","10","3","1","7","8","1") = "9"
    & skf18("3","10","3","1","7","9","1") = "9"
    & skf18("3","10","3","1","7","10","1") = "9"
    & skf18("3","10","3","1","8","1","1") = "9"
    & skf18("3","10","3","1","8","2","1") = "9"
    & skf18("3","10","3","1","8","3","1") = "9"
    & skf18("3","10","3","1","8","4","1") = "9"
    & skf18("3","10","3","1","8","5","1") = "9"
    & skf18("3","10","3","1","8","6","1") = "9"
    & skf18("3","10","3","1","8","7","1") = "9"
    & skf18("3","10","3","1","8","8","1") = "9"
    & skf18("3","10","3","1","8","9","1") = "9"
    & skf18("3","10","3","1","8","10","1") = "9"
    & skf18("3","10","3","1","9","1","1") = "9"
    & skf18("3","10","3","1","9","2","1") = "9"
    & skf18("3","10","3","1","9","3","1") = "9"
    & skf18("3","10","3","1","9","4","1") = "9"
    & skf18("3","10","3","1","9","5","1") = "9"
    & skf18("3","10","3","1","9","6","1") = "9"
    & skf18("3","10","3","1","9","7","1") = "9"
    & skf18("3","10","3","1","9","8","1") = "9"
    & skf18("3","10","3","1","9","9","1") = "9"
    & skf18("3","10","3","1","9","10","1") = "9"
    & skf18("3","10","3","1","10","1","1") = "9"
    & skf18("3","10","3","1","10","2","1") = "9"
    & skf18("3","10","3","1","10","3","1") = "9"
    & skf18("3","10","3","1","10","4","1") = "9"
    & skf18("3","10","3","1","10","5","1") = "9"
    & skf18("3","10","3","1","10","6","1") = "9"
    & skf18("3","10","3","1","10","7","1") = "9"
    & skf18("3","10","3","1","10","8","1") = "9"
    & skf18("3","10","3","1","10","9","1") = "9"
    & skf18("3","10","3","1","10","10","1") = "9"
    & skf18("3","10","3","2","1","1","1") = "9"
    & skf18("3","10","3","2","1","2","1") = "9"
    & skf18("3","10","3","2","1","3","1") = "9"
    & skf18("3","10","3","2","1","4","1") = "9"
    & skf18("3","10","3","2","1","5","1") = "9"
    & skf18("3","10","3","2","1","6","1") = "9"
    & skf18("3","10","3","2","1","7","1") = "9"
    & skf18("3","10","3","2","1","8","1") = "9"
    & skf18("3","10","3","2","1","9","1") = "9"
    & skf18("3","10","3","2","1","10","1") = "9"
    & skf18("3","10","3","2","2","1","1") = "9"
    & skf18("3","10","3","2","2","2","1") = "9"
    & skf18("3","10","3","2","2","3","1") = "9"
    & skf18("3","10","3","2","2","4","1") = "9"
    & skf18("3","10","3","2","2","5","1") = "9"
    & skf18("3","10","3","2","2","6","1") = "9"
    & skf18("3","10","3","2","2","7","1") = "9"
    & skf18("3","10","3","2","2","8","1") = "9"
    & skf18("3","10","3","2","2","9","1") = "9"
    & skf18("3","10","3","2","2","10","1") = "9"
    & skf18("3","10","3","2","3","1","1") = "9"
    & skf18("3","10","3","2","3","2","1") = "9"
    & skf18("3","10","3","2","3","3","1") = "9"
    & skf18("3","10","3","2","3","4","1") = "9"
    & skf18("3","10","3","2","3","5","1") = "9"
    & skf18("3","10","3","2","3","6","1") = "9"
    & skf18("3","10","3","2","3","7","1") = "9"
    & skf18("3","10","3","2","3","8","1") = "9"
    & skf18("3","10","3","2","3","9","1") = "9"
    & skf18("3","10","3","2","3","10","1") = "9"
    & skf18("3","10","3","2","4","1","1") = "9"
    & skf18("3","10","3","2","4","2","1") = "9"
    & skf18("3","10","3","2","4","3","1") = "9"
    & skf18("3","10","3","2","4","4","1") = "9"
    & skf18("3","10","3","2","4","5","1") = "9"
    & skf18("3","10","3","2","4","6","1") = "9"
    & skf18("3","10","3","2","4","7","1") = "9"
    & skf18("3","10","3","2","4","8","1") = "9"
    & skf18("3","10","3","2","4","9","1") = "9"
    & skf18("3","10","3","2","4","10","1") = "9"
    & skf18("3","10","3","2","5","1","1") = "9"
    & skf18("3","10","3","2","5","2","1") = "9"
    & skf18("3","10","3","2","5","3","1") = "9"
    & skf18("3","10","3","2","5","4","1") = "9"
    & skf18("3","10","3","2","5","5","1") = "9"
    & skf18("3","10","3","2","5","6","1") = "9"
    & skf18("3","10","3","2","5","7","1") = "9"
    & skf18("3","10","3","2","5","8","1") = "9"
    & skf18("3","10","3","2","5","9","1") = "9"
    & skf18("3","10","3","2","5","10","1") = "9"
    & skf18("3","10","3","2","6","1","1") = "9"
    & skf18("3","10","3","2","6","2","1") = "9"
    & skf18("3","10","3","2","6","3","1") = "9"
    & skf18("3","10","3","2","6","4","1") = "9"
    & skf18("3","10","3","2","6","5","1") = "9"
    & skf18("3","10","3","2","6","6","1") = "9"
    & skf18("3","10","3","2","6","7","1") = "9"
    & skf18("3","10","3","2","6","8","1") = "9"
    & skf18("3","10","3","2","6","9","1") = "9"
    & skf18("3","10","3","2","6","10","1") = "9"
    & skf18("3","10","3","2","7","1","1") = "9"
    & skf18("3","10","3","2","7","2","1") = "9"
    & skf18("3","10","3","2","7","3","1") = "9"
    & skf18("3","10","3","2","7","4","1") = "9"
    & skf18("3","10","3","2","7","5","1") = "9"
    & skf18("3","10","3","2","7","6","1") = "9"
    & skf18("3","10","3","2","7","7","1") = "9"
    & skf18("3","10","3","2","7","8","1") = "9"
    & skf18("3","10","3","2","7","9","1") = "9"
    & skf18("3","10","3","2","7","10","1") = "9"
    & skf18("3","10","3","2","8","1","1") = "9"
    & skf18("3","10","3","2","8","2","1") = "9"
    & skf18("3","10","3","2","8","3","1") = "9"
    & skf18("3","10","3","2","8","4","1") = "9"
    & skf18("3","10","3","2","8","5","1") = "9"
    & skf18("3","10","3","2","8","6","1") = "9"
    & skf18("3","10","3","2","8","7","1") = "9"
    & skf18("3","10","3","2","8","8","1") = "9"
    & skf18("3","10","3","2","8","9","1") = "9"
    & skf18("3","10","3","2","8","10","1") = "9"
    & skf18("3","10","3","2","9","1","1") = "9"
    & skf18("3","10","3","2","9","2","1") = "9"
    & skf18("3","10","3","2","9","3","1") = "9"
    & skf18("3","10","3","2","9","4","1") = "9"
    & skf18("3","10","3","2","9","5","1") = "9"
    & skf18("3","10","3","2","9","6","1") = "9"
    & skf18("3","10","3","2","9","7","1") = "9"
    & skf18("3","10","3","2","9","8","1") = "9"
    & skf18("3","10","3","2","9","9","1") = "9"
    & skf18("3","10","3","2","9","10","1") = "9"
    & skf18("3","10","3","2","10","1","1") = "9"
    & skf18("3","10","3","2","10","2","1") = "9"
    & skf18("3","10","3","2","10","3","1") = "9"
    & skf18("3","10","3","2","10","4","1") = "9"
    & skf18("3","10","3","2","10","5","1") = "9"
    & skf18("3","10","3","2","10","6","1") = "9"
    & skf18("3","10","3","2","10","7","1") = "9"
    & skf18("3","10","3","2","10","8","1") = "9"
    & skf18("3","10","3","2","10","9","1") = "9"
    & skf18("3","10","3","2","10","10","1") = "9"
    & skf18("3","10","3","3","1","1","1") = "9"
    & skf18("3","10","3","3","1","2","1") = "9"
    & skf18("3","10","3","3","1","3","1") = "9"
    & skf18("3","10","3","3","1","4","1") = "9"
    & skf18("3","10","3","3","1","5","1") = "9"
    & skf18("3","10","3","3","1","6","1") = "9"
    & skf18("3","10","3","3","1","7","1") = "9"
    & skf18("3","10","3","3","1","8","1") = "9"
    & skf18("3","10","3","3","1","9","1") = "9"
    & skf18("3","10","3","3","1","10","1") = "9"
    & skf18("3","10","3","3","2","1","1") = "9"
    & skf18("3","10","3","3","2","2","1") = "9"
    & skf18("3","10","3","3","2","3","1") = "9"
    & skf18("3","10","3","3","2","4","1") = "9"
    & skf18("3","10","3","3","2","5","1") = "9"
    & skf18("3","10","3","3","2","6","1") = "9"
    & skf18("3","10","3","3","2","7","1") = "9"
    & skf18("3","10","3","3","2","8","1") = "9"
    & skf18("3","10","3","3","2","9","1") = "9"
    & skf18("3","10","3","3","2","10","1") = "9"
    & skf18("3","10","3","3","3","1","1") = "9"
    & skf18("3","10","3","3","3","2","1") = "9"
    & skf18("3","10","3","3","3","3","1") = "9"
    & skf18("3","10","3","3","3","4","1") = "9"
    & skf18("3","10","3","3","3","5","1") = "9"
    & skf18("3","10","3","3","3","6","1") = "9"
    & skf18("3","10","3","3","3","7","1") = "9"
    & skf18("3","10","3","3","3","8","1") = "9"
    & skf18("3","10","3","3","3","9","1") = "9"
    & skf18("3","10","3","3","3","10","1") = "9"
    & skf18("3","10","3","3","4","1","1") = "9"
    & skf18("3","10","3","3","4","2","1") = "9"
    & skf18("3","10","3","3","4","3","1") = "9"
    & skf18("3","10","3","3","4","4","1") = "9"
    & skf18("3","10","3","3","4","5","1") = "9"
    & skf18("3","10","3","3","4","6","1") = "9"
    & skf18("3","10","3","3","4","7","1") = "9"
    & skf18("3","10","3","3","4","8","1") = "9"
    & skf18("3","10","3","3","4","9","1") = "9"
    & skf18("3","10","3","3","4","10","1") = "9"
    & skf18("3","10","3","3","5","1","1") = "9"
    & skf18("3","10","3","3","5","2","1") = "9"
    & skf18("3","10","3","3","5","3","1") = "9"
    & skf18("3","10","3","3","5","4","1") = "9"
    & skf18("3","10","3","3","5","5","1") = "9"
    & skf18("3","10","3","3","5","6","1") = "9"
    & skf18("3","10","3","3","5","7","1") = "9"
    & skf18("3","10","3","3","5","8","1") = "9"
    & skf18("3","10","3","3","5","9","1") = "9"
    & skf18("3","10","3","3","5","10","1") = "9"
    & skf18("3","10","3","3","6","1","1") = "9"
    & skf18("3","10","3","3","6","2","1") = "9"
    & skf18("3","10","3","3","6","3","1") = "9"
    & skf18("3","10","3","3","6","4","1") = "9"
    & skf18("3","10","3","3","6","5","1") = "9"
    & skf18("3","10","3","3","6","6","1") = "9"
    & skf18("3","10","3","3","6","7","1") = "9"
    & skf18("3","10","3","3","6","8","1") = "9"
    & skf18("3","10","3","3","6","9","1") = "9"
    & skf18("3","10","3","3","6","10","1") = "9"
    & skf18("3","10","3","3","7","1","1") = "9"
    & skf18("3","10","3","3","7","2","1") = "9"
    & skf18("3","10","3","3","7","3","1") = "9"
    & skf18("3","10","3","3","7","4","1") = "9"
    & skf18("3","10","3","3","7","5","1") = "9"
    & skf18("3","10","3","3","7","6","1") = "9"
    & skf18("3","10","3","3","7","7","1") = "9"
    & skf18("3","10","3","3","7","8","1") = "9"
    & skf18("3","10","3","3","7","9","1") = "9"
    & skf18("3","10","3","3","7","10","1") = "9"
    & skf18("3","10","3","3","8","1","1") = "9"
    & skf18("3","10","3","3","8","2","1") = "9"
    & skf18("3","10","3","3","8","3","1") = "9"
    & skf18("3","10","3","3","8","4","1") = "9"
    & skf18("3","10","3","3","8","5","1") = "9"
    & skf18("3","10","3","3","8","6","1") = "9"
    & skf18("3","10","3","3","8","7","1") = "9"
    & skf18("3","10","3","3","8","8","1") = "9"
    & skf18("3","10","3","3","8","9","1") = "9"
    & skf18("3","10","3","3","8","10","1") = "9"
    & skf18("3","10","3","3","9","1","1") = "9"
    & skf18("3","10","3","3","9","2","1") = "9"
    & skf18("3","10","3","3","9","3","1") = "9"
    & skf18("3","10","3","3","9","4","1") = "9"
    & skf18("3","10","3","3","9","5","1") = "9"
    & skf18("3","10","3","3","9","6","1") = "9"
    & skf18("3","10","3","3","9","7","1") = "9"
    & skf18("3","10","3","3","9","8","1") = "9"
    & skf18("3","10","3","3","9","9","1") = "9"
    & skf18("3","10","3","3","9","10","1") = "9"
    & skf18("3","10","3","3","10","1","1") = "9"
    & skf18("3","10","3","3","10","2","1") = "9"
    & skf18("3","10","3","3","10","3","1") = "9"
    & skf18("3","10","3","3","10","4","1") = "9"
    & skf18("3","10","3","3","10","5","1") = "9"
    & skf18("3","10","3","3","10","6","1") = "9"
    & skf18("3","10","3","3","10","7","1") = "9"
    & skf18("3","10","3","3","10","8","1") = "9"
    & skf18("3","10","3","3","10","9","1") = "9"
    & skf18("3","10","3","3","10","10","1") = "9"
    & skf18("3","10","3","4","1","1","1") = "9"
    & skf18("3","10","3","4","1","2","1") = "9"
    & skf18("3","10","3","4","1","3","1") = "9"
    & skf18("3","10","3","4","1","4","1") = "9"
    & skf18("3","10","3","4","1","5","1") = "9"
    & skf18("3","10","3","4","1","6","1") = "9"
    & skf18("3","10","3","4","1","7","1") = "9"
    & skf18("3","10","3","4","1","8","1") = "9"
    & skf18("3","10","3","4","1","9","1") = "9"
    & skf18("3","10","3","4","1","10","1") = "9"
    & skf18("3","10","3","4","2","1","1") = "9"
    & skf18("3","10","3","4","2","2","1") = "9"
    & skf18("3","10","3","4","2","3","1") = "9"
    & skf18("3","10","3","4","2","4","1") = "9"
    & skf18("3","10","3","4","2","5","1") = "9"
    & skf18("3","10","3","4","2","6","1") = "9"
    & skf18("3","10","3","4","2","7","1") = "9"
    & skf18("3","10","3","4","2","8","1") = "9"
    & skf18("3","10","3","4","2","9","1") = "9"
    & skf18("3","10","3","4","2","10","1") = "9"
    & skf18("3","10","3","4","3","1","1") = "9"
    & skf18("3","10","3","4","3","2","1") = "9"
    & skf18("3","10","3","4","3","3","1") = "9"
    & skf18("3","10","3","4","3","4","1") = "9"
    & skf18("3","10","3","4","3","5","1") = "9"
    & skf18("3","10","3","4","3","6","1") = "9"
    & skf18("3","10","3","4","3","7","1") = "9"
    & skf18("3","10","3","4","3","8","1") = "9"
    & skf18("3","10","3","4","3","9","1") = "9"
    & skf18("3","10","3","4","3","10","1") = "9"
    & skf18("3","10","3","4","4","1","1") = "9"
    & skf18("3","10","3","4","4","2","1") = "9"
    & skf18("3","10","3","4","4","3","1") = "9"
    & skf18("3","10","3","4","4","4","1") = "9"
    & skf18("3","10","3","4","4","5","1") = "9"
    & skf18("3","10","3","4","4","6","1") = "9"
    & skf18("3","10","3","4","4","7","1") = "9"
    & skf18("3","10","3","4","4","8","1") = "9"
    & skf18("3","10","3","4","4","9","1") = "9"
    & skf18("3","10","3","4","4","10","1") = "9"
    & skf18("3","10","3","4","5","1","1") = "9"
    & skf18("3","10","3","4","5","2","1") = "9"
    & skf18("3","10","3","4","5","3","1") = "9"
    & skf18("3","10","3","4","5","4","1") = "9"
    & skf18("3","10","3","4","5","5","1") = "9"
    & skf18("3","10","3","4","5","6","1") = "9"
    & skf18("3","10","3","4","5","7","1") = "9"
    & skf18("3","10","3","4","5","8","1") = "9"
    & skf18("3","10","3","4","5","9","1") = "9"
    & skf18("3","10","3","4","5","10","1") = "9"
    & skf18("3","10","3","4","6","1","1") = "9"
    & skf18("3","10","3","4","6","2","1") = "9"
    & skf18("3","10","3","4","6","3","1") = "9"
    & skf18("3","10","3","4","6","4","1") = "9"
    & skf18("3","10","3","4","6","5","1") = "9"
    & skf18("3","10","3","4","6","6","1") = "9"
    & skf18("3","10","3","4","6","7","1") = "9"
    & skf18("3","10","3","4","6","8","1") = "9"
    & skf18("3","10","3","4","6","9","1") = "9"
    & skf18("3","10","3","4","6","10","1") = "9"
    & skf18("3","10","3","4","7","1","1") = "9"
    & skf18("3","10","3","4","7","2","1") = "9"
    & skf18("3","10","3","4","7","3","1") = "9"
    & skf18("3","10","3","4","7","4","1") = "9"
    & skf18("3","10","3","4","7","5","1") = "9"
    & skf18("3","10","3","4","7","6","1") = "9"
    & skf18("3","10","3","4","7","7","1") = "9"
    & skf18("3","10","3","4","7","8","1") = "9"
    & skf18("3","10","3","4","7","9","1") = "9"
    & skf18("3","10","3","4","7","10","1") = "9"
    & skf18("3","10","3","4","8","1","1") = "9"
    & skf18("3","10","3","4","8","2","1") = "9"
    & skf18("3","10","3","4","8","3","1") = "9"
    & skf18("3","10","3","4","8","4","1") = "9"
    & skf18("3","10","3","4","8","5","1") = "9"
    & skf18("3","10","3","4","8","6","1") = "9"
    & skf18("3","10","3","4","8","7","1") = "9"
    & skf18("3","10","3","4","8","8","1") = "9"
    & skf18("3","10","3","4","8","9","1") = "9"
    & skf18("3","10","3","4","8","10","1") = "9"
    & skf18("3","10","3","4","9","1","1") = "9"
    & skf18("3","10","3","4","9","2","1") = "9"
    & skf18("3","10","3","4","9","3","1") = "9"
    & skf18("3","10","3","4","9","4","1") = "9"
    & skf18("3","10","3","4","9","5","1") = "9"
    & skf18("3","10","3","4","9","6","1") = "9"
    & skf18("3","10","3","4","9","7","1") = "9"
    & skf18("3","10","3","4","9","8","1") = "9"
    & skf18("3","10","3","4","9","9","1") = "9"
    & skf18("3","10","3","4","9","10","1") = "9"
    & skf18("3","10","3","4","10","1","1") = "9"
    & skf18("3","10","3","4","10","2","1") = "9"
    & skf18("3","10","3","4","10","3","1") = "9"
    & skf18("3","10","3","4","10","4","1") = "9"
    & skf18("3","10","3","4","10","5","1") = "9"
    & skf18("3","10","3","4","10","6","1") = "9"
    & skf18("3","10","3","4","10","7","1") = "9"
    & skf18("3","10","3","4","10","8","1") = "9"
    & skf18("3","10","3","4","10","9","1") = "9"
    & skf18("3","10","3","4","10","10","1") = "9"
    & skf18("3","10","3","5","1","1","1") = "9"
    & skf18("3","10","3","5","1","2","1") = "9"
    & skf18("3","10","3","5","1","3","1") = "9"
    & skf18("3","10","3","5","1","4","1") = "9"
    & skf18("3","10","3","5","1","5","1") = "9"
    & skf18("3","10","3","5","1","6","1") = "9"
    & skf18("3","10","3","5","1","7","1") = "9"
    & skf18("3","10","3","5","1","8","1") = "9"
    & skf18("3","10","3","5","1","9","1") = "9"
    & skf18("3","10","3","5","1","10","1") = "9"
    & skf18("3","10","3","5","2","1","1") = "9"
    & skf18("3","10","3","5","2","2","1") = "9"
    & skf18("3","10","3","5","2","3","1") = "9"
    & skf18("3","10","3","5","2","4","1") = "9"
    & skf18("3","10","3","5","2","5","1") = "9"
    & skf18("3","10","3","5","2","6","1") = "9"
    & skf18("3","10","3","5","2","7","1") = "9"
    & skf18("3","10","3","5","2","8","1") = "9"
    & skf18("3","10","3","5","2","9","1") = "9"
    & skf18("3","10","3","5","2","10","1") = "9"
    & skf18("3","10","3","5","3","1","1") = "9"
    & skf18("3","10","3","5","3","2","1") = "9"
    & skf18("3","10","3","5","3","3","1") = "9"
    & skf18("3","10","3","5","3","4","1") = "9"
    & skf18("3","10","3","5","3","5","1") = "9"
    & skf18("3","10","3","5","3","6","1") = "9"
    & skf18("3","10","3","5","3","7","1") = "9"
    & skf18("3","10","3","5","3","8","1") = "9"
    & skf18("3","10","3","5","3","9","1") = "9"
    & skf18("3","10","3","5","3","10","1") = "9"
    & skf18("3","10","3","5","4","1","1") = "9"
    & skf18("3","10","3","5","4","2","1") = "9"
    & skf18("3","10","3","5","4","3","1") = "9"
    & skf18("3","10","3","5","4","4","1") = "9"
    & skf18("3","10","3","5","4","5","1") = "9"
    & skf18("3","10","3","5","4","6","1") = "9"
    & skf18("3","10","3","5","4","7","1") = "9"
    & skf18("3","10","3","5","4","8","1") = "9"
    & skf18("3","10","3","5","4","9","1") = "9"
    & skf18("3","10","3","5","4","10","1") = "9"
    & skf18("3","10","3","5","5","1","1") = "9"
    & skf18("3","10","3","5","5","2","1") = "9"
    & skf18("3","10","3","5","5","3","1") = "9"
    & skf18("3","10","3","5","5","4","1") = "9"
    & skf18("3","10","3","5","5","5","1") = "9"
    & skf18("3","10","3","5","5","6","1") = "9"
    & skf18("3","10","3","5","5","7","1") = "9"
    & skf18("3","10","3","5","5","8","1") = "9"
    & skf18("3","10","3","5","5","9","1") = "9"
    & skf18("3","10","3","5","5","10","1") = "9"
    & skf18("3","10","3","5","6","1","1") = "9"
    & skf18("3","10","3","5","6","2","1") = "9"
    & skf18("3","10","3","5","6","3","1") = "9"
    & skf18("3","10","3","5","6","4","1") = "9"
    & skf18("3","10","3","5","6","5","1") = "9"
    & skf18("3","10","3","5","6","6","1") = "9"
    & skf18("3","10","3","5","6","7","1") = "9"
    & skf18("3","10","3","5","6","8","1") = "9"
    & skf18("3","10","3","5","6","9","1") = "9"
    & skf18("3","10","3","5","6","10","1") = "9"
    & skf18("3","10","3","5","7","1","1") = "9"
    & skf18("3","10","3","5","7","2","1") = "9"
    & skf18("3","10","3","5","7","3","1") = "9"
    & skf18("3","10","3","5","7","4","1") = "9"
    & skf18("3","10","3","5","7","5","1") = "9"
    & skf18("3","10","3","5","7","6","1") = "9"
    & skf18("3","10","3","5","7","7","1") = "9"
    & skf18("3","10","3","5","7","8","1") = "9"
    & skf18("3","10","3","5","7","9","1") = "9"
    & skf18("3","10","3","5","7","10","1") = "9"
    & skf18("3","10","3","5","8","1","1") = "9"
    & skf18("3","10","3","5","8","2","1") = "9"
    & skf18("3","10","3","5","8","3","1") = "9"
    & skf18("3","10","3","5","8","4","1") = "9"
    & skf18("3","10","3","5","8","5","1") = "9"
    & skf18("3","10","3","5","8","6","1") = "9"
    & skf18("3","10","3","5","8","7","1") = "9"
    & skf18("3","10","3","5","8","8","1") = "9"
    & skf18("3","10","3","5","8","9","1") = "9"
    & skf18("3","10","3","5","8","10","1") = "9"
    & skf18("3","10","3","5","9","1","1") = "9"
    & skf18("3","10","3","5","9","2","1") = "9"
    & skf18("3","10","3","5","9","3","1") = "9"
    & skf18("3","10","3","5","9","4","1") = "9"
    & skf18("3","10","3","5","9","5","1") = "9"
    & skf18("3","10","3","5","9","6","1") = "9"
    & skf18("3","10","3","5","9","7","1") = "9"
    & skf18("3","10","3","5","9","8","1") = "9"
    & skf18("3","10","3","5","9","9","1") = "9"
    & skf18("3","10","3","5","9","10","1") = "9"
    & skf18("3","10","3","5","10","1","1") = "9"
    & skf18("3","10","3","5","10","2","1") = "9"
    & skf18("3","10","3","5","10","3","1") = "9"
    & skf18("3","10","3","5","10","4","1") = "9"
    & skf18("3","10","3","5","10","5","1") = "9"
    & skf18("3","10","3","5","10","6","1") = "9"
    & skf18("3","10","3","5","10","7","1") = "9"
    & skf18("3","10","3","5","10","8","1") = "9"
    & skf18("3","10","3","5","10","9","1") = "9"
    & skf18("3","10","3","5","10","10","1") = "9"
    & skf18("3","10","3","6","1","1","1") = "9"
    & skf18("3","10","3","6","1","2","1") = "9"
    & skf18("3","10","3","6","1","3","1") = "9"
    & skf18("3","10","3","6","1","4","1") = "9"
    & skf18("3","10","3","6","1","5","1") = "9"
    & skf18("3","10","3","6","1","6","1") = "9"
    & skf18("3","10","3","6","1","7","1") = "9"
    & skf18("3","10","3","6","1","8","1") = "9"
    & skf18("3","10","3","6","1","9","1") = "9"
    & skf18("3","10","3","6","1","10","1") = "9"
    & skf18("3","10","3","6","2","1","1") = "9"
    & skf18("3","10","3","6","2","2","1") = "9"
    & skf18("3","10","3","6","2","3","1") = "9"
    & skf18("3","10","3","6","2","4","1") = "9"
    & skf18("3","10","3","6","2","5","1") = "9"
    & skf18("3","10","3","6","2","6","1") = "9"
    & skf18("3","10","3","6","2","7","1") = "9"
    & skf18("3","10","3","6","2","8","1") = "9"
    & skf18("3","10","3","6","2","9","1") = "9"
    & skf18("3","10","3","6","2","10","1") = "9"
    & skf18("3","10","3","6","3","1","1") = "9"
    & skf18("3","10","3","6","3","2","1") = "9"
    & skf18("3","10","3","6","3","3","1") = "9"
    & skf18("3","10","3","6","3","4","1") = "9"
    & skf18("3","10","3","6","3","5","1") = "9"
    & skf18("3","10","3","6","3","6","1") = "9"
    & skf18("3","10","3","6","3","7","1") = "9"
    & skf18("3","10","3","6","3","8","1") = "9"
    & skf18("3","10","3","6","3","9","1") = "9"
    & skf18("3","10","3","6","3","10","1") = "9"
    & skf18("3","10","3","6","4","1","1") = "9"
    & skf18("3","10","3","6","4","2","1") = "9"
    & skf18("3","10","3","6","4","3","1") = "9"
    & skf18("3","10","3","6","4","4","1") = "9"
    & skf18("3","10","3","6","4","5","1") = "9"
    & skf18("3","10","3","6","4","6","1") = "9"
    & skf18("3","10","3","6","4","7","1") = "9"
    & skf18("3","10","3","6","4","8","1") = "9"
    & skf18("3","10","3","6","4","9","1") = "9"
    & skf18("3","10","3","6","4","10","1") = "9"
    & skf18("3","10","3","6","5","1","1") = "9"
    & skf18("3","10","3","6","5","2","1") = "9"
    & skf18("3","10","3","6","5","3","1") = "9"
    & skf18("3","10","3","6","5","4","1") = "9"
    & skf18("3","10","3","6","5","5","1") = "9"
    & skf18("3","10","3","6","5","6","1") = "9"
    & skf18("3","10","3","6","5","7","1") = "9"
    & skf18("3","10","3","6","5","8","1") = "9"
    & skf18("3","10","3","6","5","9","1") = "9"
    & skf18("3","10","3","6","5","10","1") = "9"
    & skf18("3","10","3","6","6","1","1") = "9"
    & skf18("3","10","3","6","6","2","1") = "9"
    & skf18("3","10","3","6","6","3","1") = "9"
    & skf18("3","10","3","6","6","4","1") = "9"
    & skf18("3","10","3","6","6","5","1") = "9"
    & skf18("3","10","3","6","6","6","1") = "9"
    & skf18("3","10","3","6","6","7","1") = "9"
    & skf18("3","10","3","6","6","8","1") = "9"
    & skf18("3","10","3","6","6","9","1") = "9"
    & skf18("3","10","3","6","6","10","1") = "9"
    & skf18("3","10","3","6","7","1","1") = "9"
    & skf18("3","10","3","6","7","2","1") = "9"
    & skf18("3","10","3","6","7","3","1") = "9"
    & skf18("3","10","3","6","7","4","1") = "9"
    & skf18("3","10","3","6","7","5","1") = "9"
    & skf18("3","10","3","6","7","6","1") = "9"
    & skf18("3","10","3","6","7","7","1") = "9"
    & skf18("3","10","3","6","7","8","1") = "9"
    & skf18("3","10","3","6","7","9","1") = "9"
    & skf18("3","10","3","6","7","10","1") = "9"
    & skf18("3","10","3","6","8","1","1") = "9"
    & skf18("3","10","3","6","8","2","1") = "9"
    & skf18("3","10","3","6","8","3","1") = "9"
    & skf18("3","10","3","6","8","4","1") = "9"
    & skf18("3","10","3","6","8","5","1") = "9"
    & skf18("3","10","3","6","8","6","1") = "9"
    & skf18("3","10","3","6","8","7","1") = "9"
    & skf18("3","10","3","6","8","8","1") = "9"
    & skf18("3","10","3","6","8","9","1") = "9"
    & skf18("3","10","3","6","8","10","1") = "9"
    & skf18("3","10","3","6","9","1","1") = "9"
    & skf18("3","10","3","6","9","2","1") = "9"
    & skf18("3","10","3","6","9","3","1") = "9"
    & skf18("3","10","3","6","9","4","1") = "9"
    & skf18("3","10","3","6","9","5","1") = "9"
    & skf18("3","10","3","6","9","6","1") = "9"
    & skf18("3","10","3","6","9","7","1") = "9"
    & skf18("3","10","3","6","9","8","1") = "9"
    & skf18("3","10","3","6","9","9","1") = "9"
    & skf18("3","10","3","6","9","10","1") = "9"
    & skf18("3","10","3","6","10","1","1") = "9"
    & skf18("3","10","3","6","10","2","1") = "9"
    & skf18("3","10","3","6","10","3","1") = "9"
    & skf18("3","10","3","6","10","4","1") = "9"
    & skf18("3","10","3","6","10","5","1") = "9"
    & skf18("3","10","3","6","10","6","1") = "9"
    & skf18("3","10","3","6","10","7","1") = "9"
    & skf18("3","10","3","6","10","8","1") = "9"
    & skf18("3","10","3","6","10","9","1") = "9"
    & skf18("3","10","3","6","10","10","1") = "9"
    & skf18("3","10","3","7","1","1","1") = "9"
    & skf18("3","10","3","7","1","2","1") = "9"
    & skf18("3","10","3","7","1","3","1") = "9"
    & skf18("3","10","3","7","1","4","1") = "9"
    & skf18("3","10","3","7","1","5","1") = "9"
    & skf18("3","10","3","7","1","6","1") = "9"
    & skf18("3","10","3","7","1","7","1") = "9"
    & skf18("3","10","3","7","1","8","1") = "9"
    & skf18("3","10","3","7","1","9","1") = "9"
    & skf18("3","10","3","7","1","10","1") = "9"
    & skf18("3","10","3","7","2","1","1") = "9"
    & skf18("3","10","3","7","2","2","1") = "9"
    & skf18("3","10","3","7","2","3","1") = "9"
    & skf18("3","10","3","7","2","4","1") = "9"
    & skf18("3","10","3","7","2","5","1") = "9"
    & skf18("3","10","3","7","2","6","1") = "9"
    & skf18("3","10","3","7","2","7","1") = "9"
    & skf18("3","10","3","7","2","8","1") = "9"
    & skf18("3","10","3","7","2","9","1") = "9"
    & skf18("3","10","3","7","2","10","1") = "9"
    & skf18("3","10","3","7","3","1","1") = "9"
    & skf18("3","10","3","7","3","2","1") = "9"
    & skf18("3","10","3","7","3","3","1") = "9"
    & skf18("3","10","3","7","3","4","1") = "9"
    & skf18("3","10","3","7","3","5","1") = "9"
    & skf18("3","10","3","7","3","6","1") = "9"
    & skf18("3","10","3","7","3","7","1") = "9"
    & skf18("3","10","3","7","3","8","1") = "9"
    & skf18("3","10","3","7","3","9","1") = "9"
    & skf18("3","10","3","7","3","10","1") = "9"
    & skf18("3","10","3","7","4","1","1") = "9"
    & skf18("3","10","3","7","4","2","1") = "9"
    & skf18("3","10","3","7","4","3","1") = "9"
    & skf18("3","10","3","7","4","4","1") = "9"
    & skf18("3","10","3","7","4","5","1") = "9"
    & skf18("3","10","3","7","4","6","1") = "9"
    & skf18("3","10","3","7","4","7","1") = "9"
    & skf18("3","10","3","7","4","8","1") = "9"
    & skf18("3","10","3","7","4","9","1") = "9"
    & skf18("3","10","3","7","4","10","1") = "9"
    & skf18("3","10","3","7","5","1","1") = "9"
    & skf18("3","10","3","7","5","2","1") = "9"
    & skf18("3","10","3","7","5","3","1") = "9"
    & skf18("3","10","3","7","5","4","1") = "9"
    & skf18("3","10","3","7","5","5","1") = "9"
    & skf18("3","10","3","7","5","6","1") = "9"
    & skf18("3","10","3","7","5","7","1") = "9"
    & skf18("3","10","3","7","5","8","1") = "9"
    & skf18("3","10","3","7","5","9","1") = "9"
    & skf18("3","10","3","7","5","10","1") = "9"
    & skf18("3","10","3","7","6","1","1") = "9"
    & skf18("3","10","3","7","6","2","1") = "9"
    & skf18("3","10","3","7","6","3","1") = "9"
    & skf18("3","10","3","7","6","4","1") = "9"
    & skf18("3","10","3","7","6","5","1") = "9"
    & skf18("3","10","3","7","6","6","1") = "9"
    & skf18("3","10","3","7","6","7","1") = "9"
    & skf18("3","10","3","7","6","8","1") = "9"
    & skf18("3","10","3","7","6","9","1") = "9"
    & skf18("3","10","3","7","6","10","1") = "9"
    & skf18("3","10","3","7","7","1","1") = "9"
    & skf18("3","10","3","7","7","2","1") = "9"
    & skf18("3","10","3","7","7","3","1") = "9"
    & skf18("3","10","3","7","7","4","1") = "9"
    & skf18("3","10","3","7","7","5","1") = "9"
    & skf18("3","10","3","7","7","6","1") = "9"
    & skf18("3","10","3","7","7","7","1") = "9"
    & skf18("3","10","3","7","7","8","1") = "9"
    & skf18("3","10","3","7","7","9","1") = "9"
    & skf18("3","10","3","7","7","10","1") = "9"
    & skf18("3","10","3","7","8","1","1") = "9"
    & skf18("3","10","3","7","8","2","1") = "9"
    & skf18("3","10","3","7","8","3","1") = "9"
    & skf18("3","10","3","7","8","4","1") = "9"
    & skf18("3","10","3","7","8","5","1") = "9"
    & skf18("3","10","3","7","8","6","1") = "9"
    & skf18("3","10","3","7","8","7","1") = "9"
    & skf18("3","10","3","7","8","8","1") = "9"
    & skf18("3","10","3","7","8","9","1") = "9"
    & skf18("3","10","3","7","8","10","1") = "9"
    & skf18("3","10","3","7","9","1","1") = "9"
    & skf18("3","10","3","7","9","2","1") = "9"
    & skf18("3","10","3","7","9","3","1") = "9"
    & skf18("3","10","3","7","9","4","1") = "9"
    & skf18("3","10","3","7","9","5","1") = "9"
    & skf18("3","10","3","7","9","6","1") = "9"
    & skf18("3","10","3","7","9","7","1") = "9"
    & skf18("3","10","3","7","9","8","1") = "9"
    & skf18("3","10","3","7","9","9","1") = "9"
    & skf18("3","10","3","7","9","10","1") = "9"
    & skf18("3","10","3","7","10","1","1") = "9"
    & skf18("3","10","3","7","10","2","1") = "9"
    & skf18("3","10","3","7","10","3","1") = "9"
    & skf18("3","10","3","7","10","4","1") = "9"
    & skf18("3","10","3","7","10","5","1") = "9"
    & skf18("3","10","3","7","10","6","1") = "9"
    & skf18("3","10","3","7","10","7","1") = "9"
    & skf18("3","10","3","7","10","8","1") = "9"
    & skf18("3","10","3","7","10","9","1") = "9"
    & skf18("3","10","3","7","10","10","1") = "9"
    & skf18("3","10","3","8","1","1","1") = "9"
    & skf18("3","10","3","8","1","2","1") = "9"
    & skf18("3","10","3","8","1","3","1") = "9"
    & skf18("3","10","3","8","1","4","1") = "9"
    & skf18("3","10","3","8","1","5","1") = "9"
    & skf18("3","10","3","8","1","6","1") = "9"
    & skf18("3","10","3","8","1","7","1") = "9"
    & skf18("3","10","3","8","1","8","1") = "9"
    & skf18("3","10","3","8","1","9","1") = "9"
    & skf18("3","10","3","8","1","10","1") = "9"
    & skf18("3","10","3","8","2","1","1") = "9"
    & skf18("3","10","3","8","2","2","1") = "9"
    & skf18("3","10","3","8","2","3","1") = "9"
    & skf18("3","10","3","8","2","4","1") = "9"
    & skf18("3","10","3","8","2","5","1") = "9"
    & skf18("3","10","3","8","2","6","1") = "9"
    & skf18("3","10","3","8","2","7","1") = "9"
    & skf18("3","10","3","8","2","8","1") = "9"
    & skf18("3","10","3","8","2","9","1") = "9"
    & skf18("3","10","3","8","2","10","1") = "9"
    & skf18("3","10","3","8","3","1","1") = "9"
    & skf18("3","10","3","8","3","2","1") = "9"
    & skf18("3","10","3","8","3","3","1") = "9"
    & skf18("3","10","3","8","3","4","1") = "9"
    & skf18("3","10","3","8","3","5","1") = "9"
    & skf18("3","10","3","8","3","6","1") = "9"
    & skf18("3","10","3","8","3","7","1") = "9"
    & skf18("3","10","3","8","3","8","1") = "9"
    & skf18("3","10","3","8","3","9","1") = "9"
    & skf18("3","10","3","8","3","10","1") = "9"
    & skf18("3","10","3","8","4","1","1") = "9"
    & skf18("3","10","3","8","4","2","1") = "9"
    & skf18("3","10","3","8","4","3","1") = "9"
    & skf18("3","10","3","8","4","4","1") = "9"
    & skf18("3","10","3","8","4","5","1") = "9"
    & skf18("3","10","3","8","4","6","1") = "9"
    & skf18("3","10","3","8","4","7","1") = "9"
    & skf18("3","10","3","8","4","8","1") = "9"
    & skf18("3","10","3","8","4","9","1") = "9"
    & skf18("3","10","3","8","4","10","1") = "9"
    & skf18("3","10","3","8","5","1","1") = "9"
    & skf18("3","10","3","8","5","2","1") = "9"
    & skf18("3","10","3","8","5","3","1") = "9"
    & skf18("3","10","3","8","5","4","1") = "9"
    & skf18("3","10","3","8","5","5","1") = "9"
    & skf18("3","10","3","8","5","6","1") = "9"
    & skf18("3","10","3","8","5","7","1") = "9"
    & skf18("3","10","3","8","5","8","1") = "9"
    & skf18("3","10","3","8","5","9","1") = "9"
    & skf18("3","10","3","8","5","10","1") = "9"
    & skf18("3","10","3","8","6","1","1") = "9"
    & skf18("3","10","3","8","6","2","1") = "9"
    & skf18("3","10","3","8","6","3","1") = "9"
    & skf18("3","10","3","8","6","4","1") = "9"
    & skf18("3","10","3","8","6","5","1") = "9"
    & skf18("3","10","3","8","6","6","1") = "9"
    & skf18("3","10","3","8","6","7","1") = "9"
    & skf18("3","10","3","8","6","8","1") = "9"
    & skf18("3","10","3","8","6","9","1") = "9"
    & skf18("3","10","3","8","6","10","1") = "9"
    & skf18("3","10","3","8","7","1","1") = "9"
    & skf18("3","10","3","8","7","2","1") = "9"
    & skf18("3","10","3","8","7","3","1") = "9"
    & skf18("3","10","3","8","7","4","1") = "9"
    & skf18("3","10","3","8","7","5","1") = "9"
    & skf18("3","10","3","8","7","6","1") = "9"
    & skf18("3","10","3","8","7","7","1") = "9"
    & skf18("3","10","3","8","7","8","1") = "9"
    & skf18("3","10","3","8","7","9","1") = "9"
    & skf18("3","10","3","8","7","10","1") = "9"
    & skf18("3","10","3","8","8","1","1") = "9"
    & skf18("3","10","3","8","8","2","1") = "9"
    & skf18("3","10","3","8","8","3","1") = "9"
    & skf18("3","10","3","8","8","4","1") = "9"
    & skf18("3","10","3","8","8","5","1") = "9"
    & skf18("3","10","3","8","8","6","1") = "9"
    & skf18("3","10","3","8","8","7","1") = "9"
    & skf18("3","10","3","8","8","8","1") = "9"
    & skf18("3","10","3","8","8","9","1") = "9"
    & skf18("3","10","3","8","8","10","1") = "9"
    & skf18("3","10","3","8","9","1","1") = "9"
    & skf18("3","10","3","8","9","2","1") = "9"
    & skf18("3","10","3","8","9","3","1") = "9"
    & skf18("3","10","3","8","9","4","1") = "9"
    & skf18("3","10","3","8","9","5","1") = "9"
    & skf18("3","10","3","8","9","6","1") = "9"
    & skf18("3","10","3","8","9","7","1") = "9"
    & skf18("3","10","3","8","9","8","1") = "9"
    & skf18("3","10","3","8","9","9","1") = "9"
    & skf18("3","10","3","8","9","10","1") = "9"
    & skf18("3","10","3","8","10","1","1") = "9"
    & skf18("3","10","3","8","10","2","1") = "9"
    & skf18("3","10","3","8","10","3","1") = "9"
    & skf18("3","10","3","8","10","4","1") = "9"
    & skf18("3","10","3","8","10","5","1") = "9"
    & skf18("3","10","3","8","10","6","1") = "9"
    & skf18("3","10","3","8","10","7","1") = "9"
    & skf18("3","10","3","8","10","8","1") = "9"
    & skf18("3","10","3","8","10","9","1") = "9"
    & skf18("3","10","3","8","10","10","1") = "9"
    & skf18("3","10","3","9","1","1","1") = "9"
    & skf18("3","10","3","9","1","2","1") = "9"
    & skf18("3","10","3","9","1","3","1") = "9"
    & skf18("3","10","3","9","1","4","1") = "9"
    & skf18("3","10","3","9","1","5","1") = "9"
    & skf18("3","10","3","9","1","6","1") = "9"
    & skf18("3","10","3","9","1","7","1") = "9"
    & skf18("3","10","3","9","1","8","1") = "9"
    & skf18("3","10","3","9","1","9","1") = "9"
    & skf18("3","10","3","9","1","10","1") = "9"
    & skf18("3","10","3","9","2","1","1") = "9"
    & skf18("3","10","3","9","2","2","1") = "9"
    & skf18("3","10","3","9","2","3","1") = "9"
    & skf18("3","10","3","9","2","4","1") = "9"
    & skf18("3","10","3","9","2","5","1") = "9"
    & skf18("3","10","3","9","2","6","1") = "9"
    & skf18("3","10","3","9","2","7","1") = "9"
    & skf18("3","10","3","9","2","8","1") = "9"
    & skf18("3","10","3","9","2","9","1") = "9"
    & skf18("3","10","3","9","2","10","1") = "9"
    & skf18("3","10","3","9","3","1","1") = "9"
    & skf18("3","10","3","9","3","2","1") = "9"
    & skf18("3","10","3","9","3","3","1") = "9"
    & skf18("3","10","3","9","3","4","1") = "9"
    & skf18("3","10","3","9","3","5","1") = "9"
    & skf18("3","10","3","9","3","6","1") = "9"
    & skf18("3","10","3","9","3","7","1") = "9"
    & skf18("3","10","3","9","3","8","1") = "9"
    & skf18("3","10","3","9","3","9","1") = "9"
    & skf18("3","10","3","9","3","10","1") = "9"
    & skf18("3","10","3","9","4","1","1") = "9"
    & skf18("3","10","3","9","4","2","1") = "9"
    & skf18("3","10","3","9","4","3","1") = "9"
    & skf18("3","10","3","9","4","4","1") = "9"
    & skf18("3","10","3","9","4","5","1") = "9"
    & skf18("3","10","3","9","4","6","1") = "9"
    & skf18("3","10","3","9","4","7","1") = "9"
    & skf18("3","10","3","9","4","8","1") = "9"
    & skf18("3","10","3","9","4","9","1") = "9"
    & skf18("3","10","3","9","4","10","1") = "9"
    & skf18("3","10","3","9","5","1","1") = "9"
    & skf18("3","10","3","9","5","2","1") = "9"
    & skf18("3","10","3","9","5","3","1") = "9"
    & skf18("3","10","3","9","5","4","1") = "9"
    & skf18("3","10","3","9","5","5","1") = "9"
    & skf18("3","10","3","9","5","6","1") = "9"
    & skf18("3","10","3","9","5","7","1") = "9"
    & skf18("3","10","3","9","5","8","1") = "9"
    & skf18("3","10","3","9","5","9","1") = "9"
    & skf18("3","10","3","9","5","10","1") = "9"
    & skf18("3","10","3","9","6","1","1") = "9"
    & skf18("3","10","3","9","6","2","1") = "9"
    & skf18("3","10","3","9","6","3","1") = "9"
    & skf18("3","10","3","9","6","4","1") = "9"
    & skf18("3","10","3","9","6","5","1") = "9"
    & skf18("3","10","3","9","6","6","1") = "9"
    & skf18("3","10","3","9","6","7","1") = "9"
    & skf18("3","10","3","9","6","8","1") = "9"
    & skf18("3","10","3","9","6","9","1") = "9"
    & skf18("3","10","3","9","6","10","1") = "9"
    & skf18("3","10","3","9","7","1","1") = "9"
    & skf18("3","10","3","9","7","2","1") = "9"
    & skf18("3","10","3","9","7","3","1") = "9"
    & skf18("3","10","3","9","7","4","1") = "9"
    & skf18("3","10","3","9","7","5","1") = "9"
    & skf18("3","10","3","9","7","6","1") = "9"
    & skf18("3","10","3","9","7","7","1") = "9"
    & skf18("3","10","3","9","7","8","1") = "9"
    & skf18("3","10","3","9","7","9","1") = "9"
    & skf18("3","10","3","9","7","10","1") = "9"
    & skf18("3","10","3","9","8","1","1") = "9"
    & skf18("3","10","3","9","8","2","1") = "9"
    & skf18("3","10","3","9","8","3","1") = "9"
    & skf18("3","10","3","9","8","4","1") = "9"
    & skf18("3","10","3","9","8","5","1") = "9"
    & skf18("3","10","3","9","8","6","1") = "9"
    & skf18("3","10","3","9","8","7","1") = "9"
    & skf18("3","10","3","9","8","8","1") = "9"
    & skf18("3","10","3","9","8","9","1") = "9"
    & skf18("3","10","3","9","8","10","1") = "9"
    & skf18("3","10","3","9","9","1","1") = "9"
    & skf18("3","10","3","9","9","2","1") = "9"
    & skf18("3","10","3","9","9","3","1") = "9"
    & skf18("3","10","3","9","9","4","1") = "9"
    & skf18("3","10","3","9","9","5","1") = "9"
    & skf18("3","10","3","9","9","6","1") = "9"
    & skf18("3","10","3","9","9","7","1") = "9"
    & skf18("3","10","3","9","9","8","1") = "9"
    & skf18("3","10","3","9","9","9","1") = "9"
    & skf18("3","10","3","9","9","10","1") = "9"
    & skf18("3","10","3","9","10","1","1") = "9"
    & skf18("3","10","3","9","10","2","1") = "9"
    & skf18("3","10","3","9","10","3","1") = "9"
    & skf18("3","10","3","9","10","4","1") = "9"
    & skf18("3","10","3","9","10","5","1") = "9"
    & skf18("3","10","3","9","10","6","1") = "9"
    & skf18("3","10","3","9","10","7","1") = "9"
    & skf18("3","10","3","9","10","8","1") = "9"
    & skf18("3","10","3","9","10","9","1") = "9"
    & skf18("3","10","3","9","10","10","1") = "9"
    & skf18("3","10","3","10","1","1","1") = "9"
    & skf18("3","10","3","10","1","2","1") = "9"
    & skf18("3","10","3","10","1","3","1") = "9"
    & skf18("3","10","3","10","1","4","1") = "9"
    & skf18("3","10","3","10","1","5","1") = "9"
    & skf18("3","10","3","10","1","6","1") = "9"
    & skf18("3","10","3","10","1","7","1") = "9"
    & skf18("3","10","3","10","1","8","1") = "9"
    & skf18("3","10","3","10","1","9","1") = "9"
    & skf18("3","10","3","10","1","10","1") = "9"
    & skf18("3","10","3","10","2","1","1") = "9"
    & skf18("3","10","3","10","2","2","1") = "9"
    & skf18("3","10","3","10","2","3","1") = "9"
    & skf18("3","10","3","10","2","4","1") = "9"
    & skf18("3","10","3","10","2","5","1") = "9"
    & skf18("3","10","3","10","2","6","1") = "9"
    & skf18("3","10","3","10","2","7","1") = "9"
    & skf18("3","10","3","10","2","8","1") = "9"
    & skf18("3","10","3","10","2","9","1") = "9"
    & skf18("3","10","3","10","2","10","1") = "9"
    & skf18("3","10","3","10","3","1","1") = "9"
    & skf18("3","10","3","10","3","2","1") = "9"
    & skf18("3","10","3","10","3","3","1") = "9"
    & skf18("3","10","3","10","3","4","1") = "9"
    & skf18("3","10","3","10","3","5","1") = "9"
    & skf18("3","10","3","10","3","6","1") = "9"
    & skf18("3","10","3","10","3","7","1") = "9"
    & skf18("3","10","3","10","3","8","1") = "9"
    & skf18("3","10","3","10","3","9","1") = "9"
    & skf18("3","10","3","10","3","10","1") = "9"
    & skf18("3","10","3","10","4","1","1") = "9"
    & skf18("3","10","3","10","4","2","1") = "9"
    & skf18("3","10","3","10","4","3","1") = "9"
    & skf18("3","10","3","10","4","4","1") = "9"
    & skf18("3","10","3","10","4","5","1") = "9"
    & skf18("3","10","3","10","4","6","1") = "9"
    & skf18("3","10","3","10","4","7","1") = "9"
    & skf18("3","10","3","10","4","8","1") = "9"
    & skf18("3","10","3","10","4","9","1") = "9"
    & skf18("3","10","3","10","4","10","1") = "9"
    & skf18("3","10","3","10","5","1","1") = "9"
    & skf18("3","10","3","10","5","2","1") = "9"
    & skf18("3","10","3","10","5","3","1") = "9"
    & skf18("3","10","3","10","5","4","1") = "9"
    & skf18("3","10","3","10","5","5","1") = "9"
    & skf18("3","10","3","10","5","6","1") = "9"
    & skf18("3","10","3","10","5","7","1") = "9"
    & skf18("3","10","3","10","5","8","1") = "9"
    & skf18("3","10","3","10","5","9","1") = "9"
    & skf18("3","10","3","10","5","10","1") = "9"
    & skf18("3","10","3","10","6","1","1") = "9"
    & skf18("3","10","3","10","6","2","1") = "9"
    & skf18("3","10","3","10","6","3","1") = "9"
    & skf18("3","10","3","10","6","4","1") = "9"
    & skf18("3","10","3","10","6","5","1") = "9"
    & skf18("3","10","3","10","6","6","1") = "9"
    & skf18("3","10","3","10","6","7","1") = "9"
    & skf18("3","10","3","10","6","8","1") = "9"
    & skf18("3","10","3","10","6","9","1") = "9"
    & skf18("3","10","3","10","6","10","1") = "9"
    & skf18("3","10","3","10","7","1","1") = "9"
    & skf18("3","10","3","10","7","2","1") = "9"
    & skf18("3","10","3","10","7","3","1") = "9"
    & skf18("3","10","3","10","7","4","1") = "9"
    & skf18("3","10","3","10","7","5","1") = "9"
    & skf18("3","10","3","10","7","6","1") = "9"
    & skf18("3","10","3","10","7","7","1") = "9"
    & skf18("3","10","3","10","7","8","1") = "9"
    & skf18("3","10","3","10","7","9","1") = "9"
    & skf18("3","10","3","10","7","10","1") = "9"
    & skf18("3","10","3","10","8","1","1") = "9"
    & skf18("3","10","3","10","8","2","1") = "9"
    & skf18("3","10","3","10","8","3","1") = "9"
    & skf18("3","10","3","10","8","4","1") = "9"
    & skf18("3","10","3","10","8","5","1") = "9"
    & skf18("3","10","3","10","8","6","1") = "9"
    & skf18("3","10","3","10","8","7","1") = "9"
    & skf18("3","10","3","10","8","8","1") = "9"
    & skf18("3","10","3","10","8","9","1") = "9"
    & skf18("3","10","3","10","8","10","1") = "9"
    & skf18("3","10","3","10","9","1","1") = "9"
    & skf18("3","10","3","10","9","2","1") = "9"
    & skf18("3","10","3","10","9","3","1") = "9"
    & skf18("3","10","3","10","9","4","1") = "9"
    & skf18("3","10","3","10","9","5","1") = "9"
    & skf18("3","10","3","10","9","6","1") = "9"
    & skf18("3","10","3","10","9","7","1") = "9"
    & skf18("3","10","3","10","9","8","1") = "9"
    & skf18("3","10","3","10","9","9","1") = "9"
    & skf18("3","10","3","10","9","10","1") = "9"
    & skf18("3","10","3","10","10","1","1") = "9"
    & skf18("3","10","3","10","10","2","1") = "9"
    & skf18("3","10","3","10","10","3","1") = "9"
    & skf18("3","10","3","10","10","4","1") = "9"
    & skf18("3","10","3","10","10","5","1") = "9"
    & skf18("3","10","3","10","10","6","1") = "9"
    & skf18("3","10","3","10","10","7","1") = "9"
    & skf18("3","10","3","10","10","8","1") = "9"
    & skf18("3","10","3","10","10","9","1") = "9"
    & skf18("3","10","3","10","10","10","1") = "9"
    & skf18("3","10","4","1","1","1","1") = "9"
    & skf18("3","10","4","1","1","2","1") = "9"
    & skf18("3","10","4","1","1","3","1") = "9"
    & skf18("3","10","4","1","1","4","1") = "9"
    & skf18("3","10","4","1","1","5","1") = "9"
    & skf18("3","10","4","1","1","6","1") = "9"
    & skf18("3","10","4","1","1","7","1") = "9"
    & skf18("3","10","4","1","1","8","1") = "9"
    & skf18("3","10","4","1","1","9","1") = "9"
    & skf18("3","10","4","1","1","10","1") = "9"
    & skf18("3","10","4","1","2","1","1") = "9"
    & skf18("3","10","4","1","2","2","1") = "9"
    & skf18("3","10","4","1","2","3","1") = "9"
    & skf18("3","10","4","1","2","4","1") = "9"
    & skf18("3","10","4","1","2","5","1") = "9"
    & skf18("3","10","4","1","2","6","1") = "9"
    & skf18("3","10","4","1","2","7","1") = "9"
    & skf18("3","10","4","1","2","8","1") = "9"
    & skf18("3","10","4","1","2","9","1") = "9"
    & skf18("3","10","4","1","2","10","1") = "9"
    & skf18("3","10","4","1","3","1","1") = "9"
    & skf18("3","10","4","1","3","2","1") = "9"
    & skf18("3","10","4","1","3","3","1") = "9"
    & skf18("3","10","4","1","3","4","1") = "9"
    & skf18("3","10","4","1","3","5","1") = "9"
    & skf18("3","10","4","1","3","6","1") = "9"
    & skf18("3","10","4","1","3","7","1") = "9"
    & skf18("3","10","4","1","3","8","1") = "9"
    & skf18("3","10","4","1","3","9","1") = "9"
    & skf18("3","10","4","1","3","10","1") = "9"
    & skf18("3","10","4","1","4","1","1") = "9"
    & skf18("3","10","4","1","4","2","1") = "9"
    & skf18("3","10","4","1","4","3","1") = "9"
    & skf18("3","10","4","1","4","4","1") = "9"
    & skf18("3","10","4","1","4","5","1") = "9"
    & skf18("3","10","4","1","4","6","1") = "9"
    & skf18("3","10","4","1","4","7","1") = "9"
    & skf18("3","10","4","1","4","8","1") = "9"
    & skf18("3","10","4","1","4","9","1") = "9"
    & skf18("3","10","4","1","4","10","1") = "9"
    & skf18("3","10","4","1","5","1","1") = "9"
    & skf18("3","10","4","1","5","2","1") = "9"
    & skf18("3","10","4","1","5","3","1") = "9"
    & skf18("3","10","4","1","5","4","1") = "9"
    & skf18("3","10","4","1","5","5","1") = "9"
    & skf18("3","10","4","1","5","6","1") = "9"
    & skf18("3","10","4","1","5","7","1") = "9"
    & skf18("3","10","4","1","5","8","1") = "9"
    & skf18("3","10","4","1","5","9","1") = "9"
    & skf18("3","10","4","1","5","10","1") = "9"
    & skf18("3","10","4","1","6","1","1") = "9"
    & skf18("3","10","4","1","6","2","1") = "9"
    & skf18("3","10","4","1","6","3","1") = "9"
    & skf18("3","10","4","1","6","4","1") = "9"
    & skf18("3","10","4","1","6","5","1") = "9"
    & skf18("3","10","4","1","6","6","1") = "9"
    & skf18("3","10","4","1","6","7","1") = "9"
    & skf18("3","10","4","1","6","8","1") = "9"
    & skf18("3","10","4","1","6","9","1") = "9"
    & skf18("3","10","4","1","6","10","1") = "9"
    & skf18("3","10","4","1","7","1","1") = "9"
    & skf18("3","10","4","1","7","2","1") = "9"
    & skf18("3","10","4","1","7","3","1") = "9"
    & skf18("3","10","4","1","7","4","1") = "9"
    & skf18("3","10","4","1","7","5","1") = "9"
    & skf18("3","10","4","1","7","6","1") = "9"
    & skf18("3","10","4","1","7","7","1") = "9"
    & skf18("3","10","4","1","7","8","1") = "9"
    & skf18("3","10","4","1","7","9","1") = "9"
    & skf18("3","10","4","1","7","10","1") = "9"
    & skf18("3","10","4","1","8","1","1") = "9"
    & skf18("3","10","4","1","8","2","1") = "9"
    & skf18("3","10","4","1","8","3","1") = "9"
    & skf18("3","10","4","1","8","4","1") = "9"
    & skf18("3","10","4","1","8","5","1") = "9"
    & skf18("3","10","4","1","8","6","1") = "9"
    & skf18("3","10","4","1","8","7","1") = "9"
    & skf18("3","10","4","1","8","8","1") = "9"
    & skf18("3","10","4","1","8","9","1") = "9"
    & skf18("3","10","4","1","8","10","1") = "9"
    & skf18("3","10","4","1","9","1","1") = "9"
    & skf18("3","10","4","1","9","2","1") = "9"
    & skf18("3","10","4","1","9","3","1") = "9"
    & skf18("3","10","4","1","9","4","1") = "9"
    & skf18("3","10","4","1","9","5","1") = "9"
    & skf18("3","10","4","1","9","6","1") = "9"
    & skf18("3","10","4","1","9","7","1") = "9"
    & skf18("3","10","4","1","9","8","1") = "9"
    & skf18("3","10","4","1","9","9","1") = "9"
    & skf18("3","10","4","1","9","10","1") = "9"
    & skf18("3","10","4","1","10","1","1") = "9"
    & skf18("3","10","4","1","10","2","1") = "9"
    & skf18("3","10","4","1","10","3","1") = "9"
    & skf18("3","10","4","1","10","4","1") = "9"
    & skf18("3","10","4","1","10","5","1") = "9"
    & skf18("3","10","4","1","10","6","1") = "9"
    & skf18("3","10","4","1","10","7","1") = "9"
    & skf18("3","10","4","1","10","8","1") = "9"
    & skf18("3","10","4","1","10","9","1") = "9"
    & skf18("3","10","4","1","10","10","1") = "9"
    & skf18("3","10","4","2","1","1","1") = "9"
    & skf18("3","10","4","2","1","2","1") = "9"
    & skf18("3","10","4","2","1","3","1") = "9"
    & skf18("3","10","4","2","1","4","1") = "9"
    & skf18("3","10","4","2","1","5","1") = "9"
    & skf18("3","10","4","2","1","6","1") = "9"
    & skf18("3","10","4","2","1","7","1") = "9"
    & skf18("3","10","4","2","1","8","1") = "9"
    & skf18("3","10","4","2","1","9","1") = "9"
    & skf18("3","10","4","2","1","10","1") = "9"
    & skf18("3","10","4","2","2","1","1") = "9"
    & skf18("3","10","4","2","2","2","1") = "9"
    & skf18("3","10","4","2","2","3","1") = "9"
    & skf18("3","10","4","2","2","4","1") = "9"
    & skf18("3","10","4","2","2","5","1") = "9"
    & skf18("3","10","4","2","2","6","1") = "9"
    & skf18("3","10","4","2","2","7","1") = "9"
    & skf18("3","10","4","2","2","8","1") = "9"
    & skf18("3","10","4","2","2","9","1") = "9"
    & skf18("3","10","4","2","2","10","1") = "9"
    & skf18("3","10","4","2","3","1","1") = "9"
    & skf18("3","10","4","2","3","2","1") = "9"
    & skf18("3","10","4","2","3","3","1") = "9"
    & skf18("3","10","4","2","3","4","1") = "9"
    & skf18("3","10","4","2","3","5","1") = "9"
    & skf18("3","10","4","2","3","6","1") = "9"
    & skf18("3","10","4","2","3","7","1") = "9"
    & skf18("3","10","4","2","3","8","1") = "9"
    & skf18("3","10","4","2","3","9","1") = "9"
    & skf18("3","10","4","2","3","10","1") = "9"
    & skf18("3","10","4","2","4","1","1") = "9"
    & skf18("3","10","4","2","4","2","1") = "9"
    & skf18("3","10","4","2","4","3","1") = "9"
    & skf18("3","10","4","2","4","4","1") = "9"
    & skf18("3","10","4","2","4","5","1") = "9"
    & skf18("3","10","4","2","4","6","1") = "9"
    & skf18("3","10","4","2","4","7","1") = "9"
    & skf18("3","10","4","2","4","8","1") = "9"
    & skf18("3","10","4","2","4","9","1") = "9"
    & skf18("3","10","4","2","4","10","1") = "9"
    & skf18("3","10","4","2","5","1","1") = "9"
    & skf18("3","10","4","2","5","2","1") = "9"
    & skf18("3","10","4","2","5","3","1") = "9"
    & skf18("3","10","4","2","5","4","1") = "9"
    & skf18("3","10","4","2","5","5","1") = "9"
    & skf18("3","10","4","2","5","6","1") = "9"
    & skf18("3","10","4","2","5","7","1") = "9"
    & skf18("3","10","4","2","5","8","1") = "9"
    & skf18("3","10","4","2","5","9","1") = "9"
    & skf18("3","10","4","2","5","10","1") = "9"
    & skf18("3","10","4","2","6","1","1") = "9"
    & skf18("3","10","4","2","6","2","1") = "9"
    & skf18("3","10","4","2","6","3","1") = "9"
    & skf18("3","10","4","2","6","4","1") = "9"
    & skf18("3","10","4","2","6","5","1") = "9"
    & skf18("3","10","4","2","6","6","1") = "9"
    & skf18("3","10","4","2","6","7","1") = "9"
    & skf18("3","10","4","2","6","8","1") = "9"
    & skf18("3","10","4","2","6","9","1") = "9"
    & skf18("3","10","4","2","6","10","1") = "9"
    & skf18("3","10","4","2","7","1","1") = "9"
    & skf18("3","10","4","2","7","2","1") = "9"
    & skf18("3","10","4","2","7","3","1") = "9"
    & skf18("3","10","4","2","7","4","1") = "9"
    & skf18("3","10","4","2","7","5","1") = "9"
    & skf18("3","10","4","2","7","6","1") = "9"
    & skf18("3","10","4","2","7","7","1") = "9"
    & skf18("3","10","4","2","7","8","1") = "9"
    & skf18("3","10","4","2","7","9","1") = "9"
    & skf18("3","10","4","2","7","10","1") = "9"
    & skf18("3","10","4","2","8","1","1") = "9"
    & skf18("3","10","4","2","8","2","1") = "9"
    & skf18("3","10","4","2","8","3","1") = "9"
    & skf18("3","10","4","2","8","4","1") = "9"
    & skf18("3","10","4","2","8","5","1") = "9"
    & skf18("3","10","4","2","8","6","1") = "9"
    & skf18("3","10","4","2","8","7","1") = "9"
    & skf18("3","10","4","2","8","8","1") = "9"
    & skf18("3","10","4","2","8","9","1") = "9"
    & skf18("3","10","4","2","8","10","1") = "9"
    & skf18("3","10","4","2","9","1","1") = "9"
    & skf18("3","10","4","2","9","2","1") = "9"
    & skf18("3","10","4","2","9","3","1") = "9"
    & skf18("3","10","4","2","9","4","1") = "9"
    & skf18("3","10","4","2","9","5","1") = "9"
    & skf18("3","10","4","2","9","6","1") = "9"
    & skf18("3","10","4","2","9","7","1") = "9"
    & skf18("3","10","4","2","9","8","1") = "9"
    & skf18("3","10","4","2","9","9","1") = "9"
    & skf18("3","10","4","2","9","10","1") = "9"
    & skf18("3","10","4","2","10","1","1") = "9"
    & skf18("3","10","4","2","10","2","1") = "9"
    & skf18("3","10","4","2","10","3","1") = "9"
    & skf18("3","10","4","2","10","4","1") = "9"
    & skf18("3","10","4","2","10","5","1") = "9"
    & skf18("3","10","4","2","10","6","1") = "9"
    & skf18("3","10","4","2","10","7","1") = "9"
    & skf18("3","10","4","2","10","8","1") = "9"
    & skf18("3","10","4","2","10","9","1") = "9"
    & skf18("3","10","4","2","10","10","1") = "9"
    & skf18("3","10","4","3","1","1","1") = "9"
    & skf18("3","10","4","3","1","2","1") = "9"
    & skf18("3","10","4","3","1","3","1") = "9"
    & skf18("3","10","4","3","1","4","1") = "9"
    & skf18("3","10","4","3","1","5","1") = "9"
    & skf18("3","10","4","3","1","6","1") = "9"
    & skf18("3","10","4","3","1","7","1") = "9"
    & skf18("3","10","4","3","1","8","1") = "9"
    & skf18("3","10","4","3","1","9","1") = "9"
    & skf18("3","10","4","3","1","10","1") = "9"
    & skf18("3","10","4","3","2","1","1") = "9"
    & skf18("3","10","4","3","2","2","1") = "9"
    & skf18("3","10","4","3","2","3","1") = "9"
    & skf18("3","10","4","3","2","4","1") = "9"
    & skf18("3","10","4","3","2","5","1") = "9"
    & skf18("3","10","4","3","2","6","1") = "9"
    & skf18("3","10","4","3","2","7","1") = "9"
    & skf18("3","10","4","3","2","8","1") = "9"
    & skf18("3","10","4","3","2","9","1") = "9"
    & skf18("3","10","4","3","2","10","1") = "9"
    & skf18("3","10","4","3","3","1","1") = "9"
    & skf18("3","10","4","3","3","2","1") = "9"
    & skf18("3","10","4","3","3","3","1") = "9"
    & skf18("3","10","4","3","3","4","1") = "9"
    & skf18("3","10","4","3","3","5","1") = "9"
    & skf18("3","10","4","3","3","6","1") = "9"
    & skf18("3","10","4","3","3","7","1") = "9"
    & skf18("3","10","4","3","3","8","1") = "9"
    & skf18("3","10","4","3","3","9","1") = "9"
    & skf18("3","10","4","3","3","10","1") = "9"
    & skf18("3","10","4","3","4","1","1") = "9"
    & skf18("3","10","4","3","4","2","1") = "9"
    & skf18("3","10","4","3","4","3","1") = "9"
    & skf18("3","10","4","3","4","4","1") = "9"
    & skf18("3","10","4","3","4","5","1") = "9"
    & skf18("3","10","4","3","4","6","1") = "9"
    & skf18("3","10","4","3","4","7","1") = "9"
    & skf18("3","10","4","3","4","8","1") = "9"
    & skf18("3","10","4","3","4","9","1") = "9"
    & skf18("3","10","4","3","4","10","1") = "9"
    & skf18("3","10","4","3","5","1","1") = "9"
    & skf18("3","10","4","3","5","2","1") = "9"
    & skf18("3","10","4","3","5","3","1") = "9"
    & skf18("3","10","4","3","5","4","1") = "9"
    & skf18("3","10","4","3","5","5","1") = "9"
    & skf18("3","10","4","3","5","6","1") = "9"
    & skf18("3","10","4","3","5","7","1") = "9"
    & skf18("3","10","4","3","5","8","1") = "9"
    & skf18("3","10","4","3","5","9","1") = "9"
    & skf18("3","10","4","3","5","10","1") = "9"
    & skf18("3","10","4","3","6","1","1") = "9"
    & skf18("3","10","4","3","6","2","1") = "9"
    & skf18("3","10","4","3","6","3","1") = "9"
    & skf18("3","10","4","3","6","4","1") = "9"
    & skf18("3","10","4","3","6","5","1") = "9"
    & skf18("3","10","4","3","6","6","1") = "9"
    & skf18("3","10","4","3","6","7","1") = "9"
    & skf18("3","10","4","3","6","8","1") = "9"
    & skf18("3","10","4","3","6","9","1") = "9"
    & skf18("3","10","4","3","6","10","1") = "9"
    & skf18("3","10","4","3","7","1","1") = "9"
    & skf18("3","10","4","3","7","2","1") = "9"
    & skf18("3","10","4","3","7","3","1") = "9"
    & skf18("3","10","4","3","7","4","1") = "9"
    & skf18("3","10","4","3","7","5","1") = "9"
    & skf18("3","10","4","3","7","6","1") = "9"
    & skf18("3","10","4","3","7","7","1") = "9"
    & skf18("3","10","4","3","7","8","1") = "9"
    & skf18("3","10","4","3","7","9","1") = "9"
    & skf18("3","10","4","3","7","10","1") = "9"
    & skf18("3","10","4","3","8","1","1") = "9"
    & skf18("3","10","4","3","8","2","1") = "9"
    & skf18("3","10","4","3","8","3","1") = "9"
    & skf18("3","10","4","3","8","4","1") = "9"
    & skf18("3","10","4","3","8","5","1") = "9"
    & skf18("3","10","4","3","8","6","1") = "9"
    & skf18("3","10","4","3","8","7","1") = "9"
    & skf18("3","10","4","3","8","8","1") = "9"
    & skf18("3","10","4","3","8","9","1") = "9"
    & skf18("3","10","4","3","8","10","1") = "9"
    & skf18("3","10","4","3","9","1","1") = "9"
    & skf18("3","10","4","3","9","2","1") = "9"
    & skf18("3","10","4","3","9","3","1") = "9"
    & skf18("3","10","4","3","9","4","1") = "9"
    & skf18("3","10","4","3","9","5","1") = "9"
    & skf18("3","10","4","3","9","6","1") = "9"
    & skf18("3","10","4","3","9","7","1") = "9"
    & skf18("3","10","4","3","9","8","1") = "9"
    & skf18("3","10","4","3","9","9","1") = "9"
    & skf18("3","10","4","3","9","10","1") = "9"
    & skf18("3","10","4","3","10","1","1") = "9"
    & skf18("3","10","4","3","10","2","1") = "9"
    & skf18("3","10","4","3","10","3","1") = "9"
    & skf18("3","10","4","3","10","4","1") = "9"
    & skf18("3","10","4","3","10","5","1") = "9"
    & skf18("3","10","4","3","10","6","1") = "9"
    & skf18("3","10","4","3","10","7","1") = "9"
    & skf18("3","10","4","3","10","8","1") = "9"
    & skf18("3","10","4","3","10","9","1") = "9"
    & skf18("3","10","4","3","10","10","1") = "9"
    & skf18("3","10","4","4","1","1","1") = "9"
    & skf18("3","10","4","4","1","2","1") = "9"
    & skf18("3","10","4","4","1","3","1") = "9"
    & skf18("3","10","4","4","1","4","1") = "9"
    & skf18("3","10","4","4","1","5","1") = "9"
    & skf18("3","10","4","4","1","6","1") = "9"
    & skf18("3","10","4","4","1","7","1") = "9"
    & skf18("3","10","4","4","1","8","1") = "9"
    & skf18("3","10","4","4","1","9","1") = "9"
    & skf18("3","10","4","4","1","10","1") = "9"
    & skf18("3","10","4","4","2","1","1") = "9"
    & skf18("3","10","4","4","2","2","1") = "9"
    & skf18("3","10","4","4","2","3","1") = "9"
    & skf18("3","10","4","4","2","4","1") = "9"
    & skf18("3","10","4","4","2","5","1") = "9"
    & skf18("3","10","4","4","2","6","1") = "9"
    & skf18("3","10","4","4","2","7","1") = "9"
    & skf18("3","10","4","4","2","8","1") = "9"
    & skf18("3","10","4","4","2","9","1") = "9"
    & skf18("3","10","4","4","2","10","1") = "9"
    & skf18("3","10","4","4","3","1","1") = "9"
    & skf18("3","10","4","4","3","2","1") = "9"
    & skf18("3","10","4","4","3","3","1") = "9"
    & skf18("3","10","4","4","3","4","1") = "9"
    & skf18("3","10","4","4","3","5","1") = "9"
    & skf18("3","10","4","4","3","6","1") = "9"
    & skf18("3","10","4","4","3","7","1") = "9"
    & skf18("3","10","4","4","3","8","1") = "9"
    & skf18("3","10","4","4","3","9","1") = "9"
    & skf18("3","10","4","4","3","10","1") = "9"
    & skf18("3","10","4","4","4","1","1") = "9"
    & skf18("3","10","4","4","4","2","1") = "9"
    & skf18("3","10","4","4","4","3","1") = "9"
    & skf18("3","10","4","4","4","4","1") = "9"
    & skf18("3","10","4","4","4","5","1") = "9"
    & skf18("3","10","4","4","4","6","1") = "9"
    & skf18("3","10","4","4","4","7","1") = "9"
    & skf18("3","10","4","4","4","8","1") = "9"
    & skf18("3","10","4","4","4","9","1") = "9"
    & skf18("3","10","4","4","4","10","1") = "9"
    & skf18("3","10","4","4","5","1","1") = "9"
    & skf18("3","10","4","4","5","2","1") = "9"
    & skf18("3","10","4","4","5","3","1") = "9"
    & skf18("3","10","4","4","5","4","1") = "9"
    & skf18("3","10","4","4","5","5","1") = "9"
    & skf18("3","10","4","4","5","6","1") = "9"
    & skf18("3","10","4","4","5","7","1") = "9"
    & skf18("3","10","4","4","5","8","1") = "9"
    & skf18("3","10","4","4","5","9","1") = "9"
    & skf18("3","10","4","4","5","10","1") = "9"
    & skf18("3","10","4","4","6","1","1") = "9"
    & skf18("3","10","4","4","6","2","1") = "9"
    & skf18("3","10","4","4","6","3","1") = "9"
    & skf18("3","10","4","4","6","4","1") = "9"
    & skf18("3","10","4","4","6","5","1") = "9"
    & skf18("3","10","4","4","6","6","1") = "9"
    & skf18("3","10","4","4","6","7","1") = "9"
    & skf18("3","10","4","4","6","8","1") = "9"
    & skf18("3","10","4","4","6","9","1") = "9"
    & skf18("3","10","4","4","6","10","1") = "9"
    & skf18("3","10","4","4","7","1","1") = "9"
    & skf18("3","10","4","4","7","2","1") = "9"
    & skf18("3","10","4","4","7","3","1") = "9"
    & skf18("3","10","4","4","7","4","1") = "9"
    & skf18("3","10","4","4","7","5","1") = "9"
    & skf18("3","10","4","4","7","6","1") = "9"
    & skf18("3","10","4","4","7","7","1") = "9"
    & skf18("3","10","4","4","7","8","1") = "9"
    & skf18("3","10","4","4","7","9","1") = "9"
    & skf18("3","10","4","4","7","10","1") = "9"
    & skf18("3","10","4","4","8","1","1") = "9"
    & skf18("3","10","4","4","8","2","1") = "9"
    & skf18("3","10","4","4","8","3","1") = "9"
    & skf18("3","10","4","4","8","4","1") = "9"
    & skf18("3","10","4","4","8","5","1") = "9"
    & skf18("3","10","4","4","8","6","1") = "9"
    & skf18("3","10","4","4","8","7","1") = "9"
    & skf18("3","10","4","4","8","8","1") = "9"
    & skf18("3","10","4","4","8","9","1") = "9"
    & skf18("3","10","4","4","8","10","1") = "9"
    & skf18("3","10","4","4","9","1","1") = "9"
    & skf18("3","10","4","4","9","2","1") = "9"
    & skf18("3","10","4","4","9","3","1") = "9"
    & skf18("3","10","4","4","9","4","1") = "9"
    & skf18("3","10","4","4","9","5","1") = "9"
    & skf18("3","10","4","4","9","6","1") = "9"
    & skf18("3","10","4","4","9","7","1") = "9"
    & skf18("3","10","4","4","9","8","1") = "9"
    & skf18("3","10","4","4","9","9","1") = "9"
    & skf18("3","10","4","4","9","10","1") = "9"
    & skf18("3","10","4","4","10","1","1") = "9"
    & skf18("3","10","4","4","10","2","1") = "9"
    & skf18("3","10","4","4","10","3","1") = "9"
    & skf18("3","10","4","4","10","4","1") = "9"
    & skf18("3","10","4","4","10","5","1") = "9"
    & skf18("3","10","4","4","10","6","1") = "9"
    & skf18("3","10","4","4","10","7","1") = "9"
    & skf18("3","10","4","4","10","8","1") = "9"
    & skf18("3","10","4","4","10","9","1") = "9"
    & skf18("3","10","4","4","10","10","1") = "9"
    & skf18("3","10","4","5","1","1","1") = "9"
    & skf18("3","10","4","5","1","2","1") = "9"
    & skf18("3","10","4","5","1","3","1") = "9"
    & skf18("3","10","4","5","1","4","1") = "9"
    & skf18("3","10","4","5","1","5","1") = "9"
    & skf18("3","10","4","5","1","6","1") = "9"
    & skf18("3","10","4","5","1","7","1") = "9"
    & skf18("3","10","4","5","1","8","1") = "9"
    & skf18("3","10","4","5","1","9","1") = "9"
    & skf18("3","10","4","5","1","10","1") = "9"
    & skf18("3","10","4","5","2","1","1") = "9"
    & skf18("3","10","4","5","2","2","1") = "9"
    & skf18("3","10","4","5","2","3","1") = "9"
    & skf18("3","10","4","5","2","4","1") = "9"
    & skf18("3","10","4","5","2","5","1") = "9"
    & skf18("3","10","4","5","2","6","1") = "9"
    & skf18("3","10","4","5","2","7","1") = "9"
    & skf18("3","10","4","5","2","8","1") = "9"
    & skf18("3","10","4","5","2","9","1") = "9"
    & skf18("3","10","4","5","2","10","1") = "9"
    & skf18("3","10","4","5","3","1","1") = "9"
    & skf18("3","10","4","5","3","2","1") = "9"
    & skf18("3","10","4","5","3","3","1") = "9"
    & skf18("3","10","4","5","3","4","1") = "9"
    & skf18("3","10","4","5","3","5","1") = "9"
    & skf18("3","10","4","5","3","6","1") = "9"
    & skf18("3","10","4","5","3","7","1") = "9"
    & skf18("3","10","4","5","3","8","1") = "9"
    & skf18("3","10","4","5","3","9","1") = "9"
    & skf18("3","10","4","5","3","10","1") = "9"
    & skf18("3","10","4","5","4","1","1") = "9"
    & skf18("3","10","4","5","4","2","1") = "9"
    & skf18("3","10","4","5","4","3","1") = "9"
    & skf18("3","10","4","5","4","4","1") = "9"
    & skf18("3","10","4","5","4","5","1") = "9"
    & skf18("3","10","4","5","4","6","1") = "9"
    & skf18("3","10","4","5","4","7","1") = "9"
    & skf18("3","10","4","5","4","8","1") = "9"
    & skf18("3","10","4","5","4","9","1") = "9"
    & skf18("3","10","4","5","4","10","1") = "9"
    & skf18("3","10","4","5","5","1","1") = "9"
    & skf18("3","10","4","5","5","2","1") = "9"
    & skf18("3","10","4","5","5","3","1") = "9"
    & skf18("3","10","4","5","5","4","1") = "9"
    & skf18("3","10","4","5","5","5","1") = "9"
    & skf18("3","10","4","5","5","6","1") = "9"
    & skf18("3","10","4","5","5","7","1") = "9"
    & skf18("3","10","4","5","5","8","1") = "9"
    & skf18("3","10","4","5","5","9","1") = "9"
    & skf18("3","10","4","5","5","10","1") = "9"
    & skf18("3","10","4","5","6","1","1") = "9"
    & skf18("3","10","4","5","6","2","1") = "9"
    & skf18("3","10","4","5","6","3","1") = "9"
    & skf18("3","10","4","5","6","4","1") = "9"
    & skf18("3","10","4","5","6","5","1") = "9"
    & skf18("3","10","4","5","6","6","1") = "9"
    & skf18("3","10","4","5","6","7","1") = "9"
    & skf18("3","10","4","5","6","8","1") = "9"
    & skf18("3","10","4","5","6","9","1") = "9"
    & skf18("3","10","4","5","6","10","1") = "9"
    & skf18("3","10","4","5","7","1","1") = "9"
    & skf18("3","10","4","5","7","2","1") = "9"
    & skf18("3","10","4","5","7","3","1") = "9"
    & skf18("3","10","4","5","7","4","1") = "9"
    & skf18("3","10","4","5","7","5","1") = "9"
    & skf18("3","10","4","5","7","6","1") = "9"
    & skf18("3","10","4","5","7","7","1") = "9"
    & skf18("3","10","4","5","7","8","1") = "9"
    & skf18("3","10","4","5","7","9","1") = "9"
    & skf18("3","10","4","5","7","10","1") = "9"
    & skf18("3","10","4","5","8","1","1") = "9"
    & skf18("3","10","4","5","8","2","1") = "9"
    & skf18("3","10","4","5","8","3","1") = "9"
    & skf18("3","10","4","5","8","4","1") = "9"
    & skf18("3","10","4","5","8","5","1") = "9"
    & skf18("3","10","4","5","8","6","1") = "9"
    & skf18("3","10","4","5","8","7","1") = "9"
    & skf18("3","10","4","5","8","8","1") = "9"
    & skf18("3","10","4","5","8","9","1") = "9"
    & skf18("3","10","4","5","8","10","1") = "9"
    & skf18("3","10","4","5","9","1","1") = "9"
    & skf18("3","10","4","5","9","2","1") = "9"
    & skf18("3","10","4","5","9","3","1") = "9"
    & skf18("3","10","4","5","9","4","1") = "9"
    & skf18("3","10","4","5","9","5","1") = "9"
    & skf18("3","10","4","5","9","6","1") = "9"
    & skf18("3","10","4","5","9","7","1") = "9"
    & skf18("3","10","4","5","9","8","1") = "9"
    & skf18("3","10","4","5","9","9","1") = "9"
    & skf18("3","10","4","5","9","10","1") = "9"
    & skf18("3","10","4","5","10","1","1") = "9"
    & skf18("3","10","4","5","10","2","1") = "9"
    & skf18("3","10","4","5","10","3","1") = "9"
    & skf18("3","10","4","5","10","4","1") = "9"
    & skf18("3","10","4","5","10","5","1") = "9"
    & skf18("3","10","4","5","10","6","1") = "9"
    & skf18("3","10","4","5","10","7","1") = "9"
    & skf18("3","10","4","5","10","8","1") = "9"
    & skf18("3","10","4","5","10","9","1") = "9"
    & skf18("3","10","4","5","10","10","1") = "9"
    & skf18("3","10","4","6","1","1","1") = "9"
    & skf18("3","10","4","6","1","2","1") = "9"
    & skf18("3","10","4","6","1","3","1") = "9"
    & skf18("3","10","4","6","1","4","1") = "9"
    & skf18("3","10","4","6","1","5","1") = "9"
    & skf18("3","10","4","6","1","6","1") = "9"
    & skf18("3","10","4","6","1","7","1") = "9"
    & skf18("3","10","4","6","1","8","1") = "9"
    & skf18("3","10","4","6","1","9","1") = "9"
    & skf18("3","10","4","6","1","10","1") = "9"
    & skf18("3","10","4","6","2","1","1") = "9"
    & skf18("3","10","4","6","2","2","1") = "9"
    & skf18("3","10","4","6","2","3","1") = "9"
    & skf18("3","10","4","6","2","4","1") = "9"
    & skf18("3","10","4","6","2","5","1") = "9"
    & skf18("3","10","4","6","2","6","1") = "9"
    & skf18("3","10","4","6","2","7","1") = "9"
    & skf18("3","10","4","6","2","8","1") = "9"
    & skf18("3","10","4","6","2","9","1") = "9"
    & skf18("3","10","4","6","2","10","1") = "9"
    & skf18("3","10","4","6","3","1","1") = "9"
    & skf18("3","10","4","6","3","2","1") = "9"
    & skf18("3","10","4","6","3","3","1") = "9"
    & skf18("3","10","4","6","3","4","1") = "9"
    & skf18("3","10","4","6","3","5","1") = "9"
    & skf18("3","10","4","6","3","6","1") = "9"
    & skf18("3","10","4","6","3","7","1") = "9"
    & skf18("3","10","4","6","3","8","1") = "9"
    & skf18("3","10","4","6","3","9","1") = "9"
    & skf18("3","10","4","6","3","10","1") = "9"
    & skf18("3","10","4","6","4","1","1") = "9"
    & skf18("3","10","4","6","4","2","1") = "9"
    & skf18("3","10","4","6","4","3","1") = "9"
    & skf18("3","10","4","6","4","4","1") = "9"
    & skf18("3","10","4","6","4","5","1") = "9"
    & skf18("3","10","4","6","4","6","1") = "9"
    & skf18("3","10","4","6","4","7","1") = "9"
    & skf18("3","10","4","6","4","8","1") = "9"
    & skf18("3","10","4","6","4","9","1") = "9"
    & skf18("3","10","4","6","4","10","1") = "9"
    & skf18("3","10","4","6","5","1","1") = "9"
    & skf18("3","10","4","6","5","2","1") = "9"
    & skf18("3","10","4","6","5","3","1") = "9"
    & skf18("3","10","4","6","5","4","1") = "9"
    & skf18("3","10","4","6","5","5","1") = "9"
    & skf18("3","10","4","6","5","6","1") = "9"
    & skf18("3","10","4","6","5","7","1") = "9"
    & skf18("3","10","4","6","5","8","1") = "9"
    & skf18("3","10","4","6","5","9","1") = "9"
    & skf18("3","10","4","6","5","10","1") = "9"
    & skf18("3","10","4","6","6","1","1") = "9"
    & skf18("3","10","4","6","6","2","1") = "9"
    & skf18("3","10","4","6","6","3","1") = "9"
    & skf18("3","10","4","6","6","4","1") = "9"
    & skf18("3","10","4","6","6","5","1") = "9"
    & skf18("3","10","4","6","6","6","1") = "9"
    & skf18("3","10","4","6","6","7","1") = "9"
    & skf18("3","10","4","6","6","8","1") = "9"
    & skf18("3","10","4","6","6","9","1") = "9"
    & skf18("3","10","4","6","6","10","1") = "9"
    & skf18("3","10","4","6","7","1","1") = "9"
    & skf18("3","10","4","6","7","2","1") = "9"
    & skf18("3","10","4","6","7","3","1") = "9"
    & skf18("3","10","4","6","7","4","1") = "9"
    & skf18("3","10","4","6","7","5","1") = "9"
    & skf18("3","10","4","6","7","6","1") = "9"
    & skf18("3","10","4","6","7","7","1") = "9"
    & skf18("3","10","4","6","7","8","1") = "9"
    & skf18("3","10","4","6","7","9","1") = "9"
    & skf18("3","10","4","6","7","10","1") = "9"
    & skf18("3","10","4","6","8","1","1") = "9"
    & skf18("3","10","4","6","8","2","1") = "9"
    & skf18("3","10","4","6","8","3","1") = "9"
    & skf18("3","10","4","6","8","4","1") = "9"
    & skf18("3","10","4","6","8","5","1") = "9"
    & skf18("3","10","4","6","8","6","1") = "9"
    & skf18("3","10","4","6","8","7","1") = "9"
    & skf18("3","10","4","6","8","8","1") = "9"
    & skf18("3","10","4","6","8","9","1") = "9"
    & skf18("3","10","4","6","8","10","1") = "9"
    & skf18("3","10","4","6","9","1","1") = "9"
    & skf18("3","10","4","6","9","2","1") = "9"
    & skf18("3","10","4","6","9","3","1") = "9"
    & skf18("3","10","4","6","9","4","1") = "9"
    & skf18("3","10","4","6","9","5","1") = "9"
    & skf18("3","10","4","6","9","6","1") = "9"
    & skf18("3","10","4","6","9","7","1") = "9"
    & skf18("3","10","4","6","9","8","1") = "9"
    & skf18("3","10","4","6","9","9","1") = "9"
    & skf18("3","10","4","6","9","10","1") = "9"
    & skf18("3","10","4","6","10","1","1") = "9"
    & skf18("3","10","4","6","10","2","1") = "9"
    & skf18("3","10","4","6","10","3","1") = "9"
    & skf18("3","10","4","6","10","4","1") = "9"
    & skf18("3","10","4","6","10","5","1") = "9"
    & skf18("3","10","4","6","10","6","1") = "9"
    & skf18("3","10","4","6","10","7","1") = "9"
    & skf18("3","10","4","6","10","8","1") = "9"
    & skf18("3","10","4","6","10","9","1") = "9"
    & skf18("3","10","4","6","10","10","1") = "9"
    & skf18("3","10","4","7","1","1","1") = "9"
    & skf18("3","10","4","7","1","2","1") = "9"
    & skf18("3","10","4","7","1","3","1") = "9"
    & skf18("3","10","4","7","1","4","1") = "9"
    & skf18("3","10","4","7","1","5","1") = "9"
    & skf18("3","10","4","7","1","6","1") = "9"
    & skf18("3","10","4","7","1","7","1") = "9"
    & skf18("3","10","4","7","1","8","1") = "9"
    & skf18("3","10","4","7","1","9","1") = "9"
    & skf18("3","10","4","7","1","10","1") = "9"
    & skf18("3","10","4","7","2","1","1") = "9"
    & skf18("3","10","4","7","2","2","1") = "9"
    & skf18("3","10","4","7","2","3","1") = "9"
    & skf18("3","10","4","7","2","4","1") = "9"
    & skf18("3","10","4","7","2","5","1") = "9"
    & skf18("3","10","4","7","2","6","1") = "9"
    & skf18("3","10","4","7","2","7","1") = "9"
    & skf18("3","10","4","7","2","8","1") = "9"
    & skf18("3","10","4","7","2","9","1") = "9"
    & skf18("3","10","4","7","2","10","1") = "9"
    & skf18("3","10","4","7","3","1","1") = "9"
    & skf18("3","10","4","7","3","2","1") = "9"
    & skf18("3","10","4","7","3","3","1") = "9"
    & skf18("3","10","4","7","3","4","1") = "9"
    & skf18("3","10","4","7","3","5","1") = "9"
    & skf18("3","10","4","7","3","6","1") = "9"
    & skf18("3","10","4","7","3","7","1") = "9"
    & skf18("3","10","4","7","3","8","1") = "9"
    & skf18("3","10","4","7","3","9","1") = "9"
    & skf18("3","10","4","7","3","10","1") = "9"
    & skf18("3","10","4","7","4","1","1") = "9"
    & skf18("3","10","4","7","4","2","1") = "9"
    & skf18("3","10","4","7","4","3","1") = "9"
    & skf18("3","10","4","7","4","4","1") = "9"
    & skf18("3","10","4","7","4","5","1") = "9"
    & skf18("3","10","4","7","4","6","1") = "9"
    & skf18("3","10","4","7","4","7","1") = "9"
    & skf18("3","10","4","7","4","8","1") = "9"
    & skf18("3","10","4","7","4","9","1") = "9"
    & skf18("3","10","4","7","4","10","1") = "9"
    & skf18("3","10","4","7","5","1","1") = "9"
    & skf18("3","10","4","7","5","2","1") = "9"
    & skf18("3","10","4","7","5","3","1") = "9"
    & skf18("3","10","4","7","5","4","1") = "9"
    & skf18("3","10","4","7","5","5","1") = "9"
    & skf18("3","10","4","7","5","6","1") = "9"
    & skf18("3","10","4","7","5","7","1") = "9"
    & skf18("3","10","4","7","5","8","1") = "9"
    & skf18("3","10","4","7","5","9","1") = "9"
    & skf18("3","10","4","7","5","10","1") = "9"
    & skf18("3","10","4","7","6","1","1") = "9"
    & skf18("3","10","4","7","6","2","1") = "9"
    & skf18("3","10","4","7","6","3","1") = "9"
    & skf18("3","10","4","7","6","4","1") = "9"
    & skf18("3","10","4","7","6","5","1") = "9"
    & skf18("3","10","4","7","6","6","1") = "9"
    & skf18("3","10","4","7","6","7","1") = "9"
    & skf18("3","10","4","7","6","8","1") = "9"
    & skf18("3","10","4","7","6","9","1") = "9"
    & skf18("3","10","4","7","6","10","1") = "9"
    & skf18("3","10","4","7","7","1","1") = "9"
    & skf18("3","10","4","7","7","2","1") = "9"
    & skf18("3","10","4","7","7","3","1") = "9"
    & skf18("3","10","4","7","7","4","1") = "9"
    & skf18("3","10","4","7","7","5","1") = "9"
    & skf18("3","10","4","7","7","6","1") = "9"
    & skf18("3","10","4","7","7","7","1") = "9"
    & skf18("3","10","4","7","7","8","1") = "9"
    & skf18("3","10","4","7","7","9","1") = "9"
    & skf18("3","10","4","7","7","10","1") = "9"
    & skf18("3","10","4","7","8","1","1") = "9"
    & skf18("3","10","4","7","8","2","1") = "9"
    & skf18("3","10","4","7","8","3","1") = "9"
    & skf18("3","10","4","7","8","4","1") = "9"
    & skf18("3","10","4","7","8","5","1") = "9"
    & skf18("3","10","4","7","8","6","1") = "9"
    & skf18("3","10","4","7","8","7","1") = "9"
    & skf18("3","10","4","7","8","8","1") = "9"
    & skf18("3","10","4","7","8","9","1") = "9"
    & skf18("3","10","4","7","8","10","1") = "9"
    & skf18("3","10","4","7","9","1","1") = "9"
    & skf18("3","10","4","7","9","2","1") = "9"
    & skf18("3","10","4","7","9","3","1") = "9"
    & skf18("3","10","4","7","9","4","1") = "9"
    & skf18("3","10","4","7","9","5","1") = "9"
    & skf18("3","10","4","7","9","6","1") = "9"
    & skf18("3","10","4","7","9","7","1") = "9"
    & skf18("3","10","4","7","9","8","1") = "9"
    & skf18("3","10","4","7","9","9","1") = "9"
    & skf18("3","10","4","7","9","10","1") = "9"
    & skf18("3","10","4","7","10","1","1") = "9"
    & skf18("3","10","4","7","10","2","1") = "9"
    & skf18("3","10","4","7","10","3","1") = "9"
    & skf18("3","10","4","7","10","4","1") = "9"
    & skf18("3","10","4","7","10","5","1") = "9"
    & skf18("3","10","4","7","10","6","1") = "9"
    & skf18("3","10","4","7","10","7","1") = "9"
    & skf18("3","10","4","7","10","8","1") = "9"
    & skf18("3","10","4","7","10","9","1") = "9"
    & skf18("3","10","4","7","10","10","1") = "9"
    & skf18("3","10","4","8","1","1","1") = "9"
    & skf18("3","10","4","8","1","2","1") = "9"
    & skf18("3","10","4","8","1","3","1") = "9"
    & skf18("3","10","4","8","1","4","1") = "9"
    & skf18("3","10","4","8","1","5","1") = "9"
    & skf18("3","10","4","8","1","6","1") = "9"
    & skf18("3","10","4","8","1","7","1") = "9"
    & skf18("3","10","4","8","1","8","1") = "9"
    & skf18("3","10","4","8","1","9","1") = "9"
    & skf18("3","10","4","8","1","10","1") = "9"
    & skf18("3","10","4","8","2","1","1") = "9"
    & skf18("3","10","4","8","2","2","1") = "9"
    & skf18("3","10","4","8","2","3","1") = "9"
    & skf18("3","10","4","8","2","4","1") = "9"
    & skf18("3","10","4","8","2","5","1") = "9"
    & skf18("3","10","4","8","2","6","1") = "9"
    & skf18("3","10","4","8","2","7","1") = "9"
    & skf18("3","10","4","8","2","8","1") = "9"
    & skf18("3","10","4","8","2","9","1") = "9"
    & skf18("3","10","4","8","2","10","1") = "9"
    & skf18("3","10","4","8","3","1","1") = "9"
    & skf18("3","10","4","8","3","2","1") = "9"
    & skf18("3","10","4","8","3","3","1") = "9"
    & skf18("3","10","4","8","3","4","1") = "9"
    & skf18("3","10","4","8","3","5","1") = "9"
    & skf18("3","10","4","8","3","6","1") = "9"
    & skf18("3","10","4","8","3","7","1") = "9"
    & skf18("3","10","4","8","3","8","1") = "9"
    & skf18("3","10","4","8","3","9","1") = "9"
    & skf18("3","10","4","8","3","10","1") = "9"
    & skf18("3","10","4","8","4","1","1") = "9"
    & skf18("3","10","4","8","4","2","1") = "9"
    & skf18("3","10","4","8","4","3","1") = "9"
    & skf18("3","10","4","8","4","4","1") = "9"
    & skf18("3","10","4","8","4","5","1") = "9"
    & skf18("3","10","4","8","4","6","1") = "9"
    & skf18("3","10","4","8","4","7","1") = "9"
    & skf18("3","10","4","8","4","8","1") = "9"
    & skf18("3","10","4","8","4","9","1") = "9"
    & skf18("3","10","4","8","4","10","1") = "9"
    & skf18("3","10","4","8","5","1","1") = "9"
    & skf18("3","10","4","8","5","2","1") = "9"
    & skf18("3","10","4","8","5","3","1") = "9"
    & skf18("3","10","4","8","5","4","1") = "9"
    & skf18("3","10","4","8","5","5","1") = "9"
    & skf18("3","10","4","8","5","6","1") = "9"
    & skf18("3","10","4","8","5","7","1") = "9"
    & skf18("3","10","4","8","5","8","1") = "9"
    & skf18("3","10","4","8","5","9","1") = "9"
    & skf18("3","10","4","8","5","10","1") = "9"
    & skf18("3","10","4","8","6","1","1") = "9"
    & skf18("3","10","4","8","6","2","1") = "9"
    & skf18("3","10","4","8","6","3","1") = "9"
    & skf18("3","10","4","8","6","4","1") = "9"
    & skf18("3","10","4","8","6","5","1") = "9"
    & skf18("3","10","4","8","6","6","1") = "9"
    & skf18("3","10","4","8","6","7","1") = "9"
    & skf18("3","10","4","8","6","8","1") = "9"
    & skf18("3","10","4","8","6","9","1") = "9"
    & skf18("3","10","4","8","6","10","1") = "9"
    & skf18("3","10","4","8","7","1","1") = "9"
    & skf18("3","10","4","8","7","2","1") = "9"
    & skf18("3","10","4","8","7","3","1") = "9"
    & skf18("3","10","4","8","7","4","1") = "9"
    & skf18("3","10","4","8","7","5","1") = "9"
    & skf18("3","10","4","8","7","6","1") = "9"
    & skf18("3","10","4","8","7","7","1") = "9"
    & skf18("3","10","4","8","7","8","1") = "9"
    & skf18("3","10","4","8","7","9","1") = "9"
    & skf18("3","10","4","8","7","10","1") = "9"
    & skf18("3","10","4","8","8","1","1") = "9"
    & skf18("3","10","4","8","8","2","1") = "9"
    & skf18("3","10","4","8","8","3","1") = "9"
    & skf18("3","10","4","8","8","4","1") = "9"
    & skf18("3","10","4","8","8","5","1") = "9"
    & skf18("3","10","4","8","8","6","1") = "9"
    & skf18("3","10","4","8","8","7","1") = "9"
    & skf18("3","10","4","8","8","8","1") = "9"
    & skf18("3","10","4","8","8","9","1") = "9"
    & skf18("3","10","4","8","8","10","1") = "9"
    & skf18("3","10","4","8","9","1","1") = "9"
    & skf18("3","10","4","8","9","2","1") = "9"
    & skf18("3","10","4","8","9","3","1") = "9"
    & skf18("3","10","4","8","9","4","1") = "9"
    & skf18("3","10","4","8","9","5","1") = "9"
    & skf18("3","10","4","8","9","6","1") = "9"
    & skf18("3","10","4","8","9","7","1") = "9"
    & skf18("3","10","4","8","9","8","1") = "9"
    & skf18("3","10","4","8","9","9","1") = "9"
    & skf18("3","10","4","8","9","10","1") = "9"
    & skf18("3","10","4","8","10","1","1") = "9"
    & skf18("3","10","4","8","10","2","1") = "9"
    & skf18("3","10","4","8","10","3","1") = "9"
    & skf18("3","10","4","8","10","4","1") = "9"
    & skf18("3","10","4","8","10","5","1") = "9"
    & skf18("3","10","4","8","10","6","1") = "9"
    & skf18("3","10","4","8","10","7","1") = "9"
    & skf18("3","10","4","8","10","8","1") = "9"
    & skf18("3","10","4","8","10","9","1") = "9"
    & skf18("3","10","4","8","10","10","1") = "9"
    & skf18("3","10","4","9","1","1","1") = "9"
    & skf18("3","10","4","9","1","2","1") = "9"
    & skf18("3","10","4","9","1","3","1") = "9"
    & skf18("3","10","4","9","1","4","1") = "9"
    & skf18("3","10","4","9","1","5","1") = "9"
    & skf18("3","10","4","9","1","6","1") = "9"
    & skf18("3","10","4","9","1","7","1") = "9"
    & skf18("3","10","4","9","1","8","1") = "9"
    & skf18("3","10","4","9","1","9","1") = "9"
    & skf18("3","10","4","9","1","10","1") = "9"
    & skf18("3","10","4","9","2","1","1") = "9"
    & skf18("3","10","4","9","2","2","1") = "9"
    & skf18("3","10","4","9","2","3","1") = "9"
    & skf18("3","10","4","9","2","4","1") = "9"
    & skf18("3","10","4","9","2","5","1") = "9"
    & skf18("3","10","4","9","2","6","1") = "9"
    & skf18("3","10","4","9","2","7","1") = "9"
    & skf18("3","10","4","9","2","8","1") = "9"
    & skf18("3","10","4","9","2","9","1") = "9"
    & skf18("3","10","4","9","2","10","1") = "9"
    & skf18("3","10","4","9","3","1","1") = "9"
    & skf18("3","10","4","9","3","2","1") = "9"
    & skf18("3","10","4","9","3","3","1") = "9"
    & skf18("3","10","4","9","3","4","1") = "9"
    & skf18("3","10","4","9","3","5","1") = "9"
    & skf18("3","10","4","9","3","6","1") = "9"
    & skf18("3","10","4","9","3","7","1") = "9"
    & skf18("3","10","4","9","3","8","1") = "9"
    & skf18("3","10","4","9","3","9","1") = "9"
    & skf18("3","10","4","9","3","10","1") = "9"
    & skf18("3","10","4","9","4","1","1") = "9"
    & skf18("3","10","4","9","4","2","1") = "9"
    & skf18("3","10","4","9","4","3","1") = "9"
    & skf18("3","10","4","9","4","4","1") = "9"
    & skf18("3","10","4","9","4","5","1") = "9"
    & skf18("3","10","4","9","4","6","1") = "9"
    & skf18("3","10","4","9","4","7","1") = "9"
    & skf18("3","10","4","9","4","8","1") = "9"
    & skf18("3","10","4","9","4","9","1") = "9"
    & skf18("3","10","4","9","4","10","1") = "9"
    & skf18("3","10","4","9","5","1","1") = "9"
    & skf18("3","10","4","9","5","2","1") = "9"
    & skf18("3","10","4","9","5","3","1") = "9"
    & skf18("3","10","4","9","5","4","1") = "9"
    & skf18("3","10","4","9","5","5","1") = "9"
    & skf18("3","10","4","9","5","6","1") = "9"
    & skf18("3","10","4","9","5","7","1") = "9"
    & skf18("3","10","4","9","5","8","1") = "9"
    & skf18("3","10","4","9","5","9","1") = "9"
    & skf18("3","10","4","9","5","10","1") = "9"
    & skf18("3","10","4","9","6","1","1") = "9"
    & skf18("3","10","4","9","6","2","1") = "9"
    & skf18("3","10","4","9","6","3","1") = "9"
    & skf18("3","10","4","9","6","4","1") = "9"
    & skf18("3","10","4","9","6","5","1") = "9"
    & skf18("3","10","4","9","6","6","1") = "9"
    & skf18("3","10","4","9","6","7","1") = "9"
    & skf18("3","10","4","9","6","8","1") = "9"
    & skf18("3","10","4","9","6","9","1") = "9"
    & skf18("3","10","4","9","6","10","1") = "9"
    & skf18("3","10","4","9","7","1","1") = "9"
    & skf18("3","10","4","9","7","2","1") = "9"
    & skf18("3","10","4","9","7","3","1") = "9"
    & skf18("3","10","4","9","7","4","1") = "9"
    & skf18("3","10","4","9","7","5","1") = "9"
    & skf18("3","10","4","9","7","6","1") = "9"
    & skf18("3","10","4","9","7","7","1") = "9"
    & skf18("3","10","4","9","7","8","1") = "9"
    & skf18("3","10","4","9","7","9","1") = "9"
    & skf18("3","10","4","9","7","10","1") = "9"
    & skf18("3","10","4","9","8","1","1") = "9"
    & skf18("3","10","4","9","8","2","1") = "9"
    & skf18("3","10","4","9","8","3","1") = "9"
    & skf18("3","10","4","9","8","4","1") = "9"
    & skf18("3","10","4","9","8","5","1") = "9"
    & skf18("3","10","4","9","8","6","1") = "9"
    & skf18("3","10","4","9","8","7","1") = "9"
    & skf18("3","10","4","9","8","8","1") = "9"
    & skf18("3","10","4","9","8","9","1") = "9"
    & skf18("3","10","4","9","8","10","1") = "9"
    & skf18("3","10","4","9","9","1","1") = "9"
    & skf18("3","10","4","9","9","2","1") = "9"
    & skf18("3","10","4","9","9","3","1") = "9"
    & skf18("3","10","4","9","9","4","1") = "9"
    & skf18("3","10","4","9","9","5","1") = "9"
    & skf18("3","10","4","9","9","6","1") = "9"
    & skf18("3","10","4","9","9","7","1") = "9"
    & skf18("3","10","4","9","9","8","1") = "9"
    & skf18("3","10","4","9","9","9","1") = "9"
    & skf18("3","10","4","9","9","10","1") = "9"
    & skf18("3","10","4","9","10","1","1") = "9"
    & skf18("3","10","4","9","10","2","1") = "9"
    & skf18("3","10","4","9","10","3","1") = "9"
    & skf18("3","10","4","9","10","4","1") = "9"
    & skf18("3","10","4","9","10","5","1") = "9"
    & skf18("3","10","4","9","10","6","1") = "9"
    & skf18("3","10","4","9","10","7","1") = "9"
    & skf18("3","10","4","9","10","8","1") = "9"
    & skf18("3","10","4","9","10","9","1") = "9"
    & skf18("3","10","4","9","10","10","1") = "9"
    & skf18("3","10","4","10","1","1","1") = "9"
    & skf18("3","10","4","10","1","2","1") = "9"
    & skf18("3","10","4","10","1","3","1") = "9"
    & skf18("3","10","4","10","1","4","1") = "9"
    & skf18("3","10","4","10","1","5","1") = "9"
    & skf18("3","10","4","10","1","6","1") = "9"
    & skf18("3","10","4","10","1","7","1") = "9"
    & skf18("3","10","4","10","1","8","1") = "9"
    & skf18("3","10","4","10","1","9","1") = "9"
    & skf18("3","10","4","10","1","10","1") = "9"
    & skf18("3","10","4","10","2","1","1") = "9"
    & skf18("3","10","4","10","2","2","1") = "9"
    & skf18("3","10","4","10","2","3","1") = "9"
    & skf18("3","10","4","10","2","4","1") = "9"
    & skf18("3","10","4","10","2","5","1") = "9"
    & skf18("3","10","4","10","2","6","1") = "9"
    & skf18("3","10","4","10","2","7","1") = "9"
    & skf18("3","10","4","10","2","8","1") = "9"
    & skf18("3","10","4","10","2","9","1") = "9"
    & skf18("3","10","4","10","2","10","1") = "9"
    & skf18("3","10","4","10","3","1","1") = "9"
    & skf18("3","10","4","10","3","2","1") = "9"
    & skf18("3","10","4","10","3","3","1") = "9"
    & skf18("3","10","4","10","3","4","1") = "9"
    & skf18("3","10","4","10","3","5","1") = "9"
    & skf18("3","10","4","10","3","6","1") = "9"
    & skf18("3","10","4","10","3","7","1") = "9"
    & skf18("3","10","4","10","3","8","1") = "9"
    & skf18("3","10","4","10","3","9","1") = "9"
    & skf18("3","10","4","10","3","10","1") = "9"
    & skf18("3","10","4","10","4","1","1") = "9"
    & skf18("3","10","4","10","4","2","1") = "9"
    & skf18("3","10","4","10","4","3","1") = "9"
    & skf18("3","10","4","10","4","4","1") = "9"
    & skf18("3","10","4","10","4","5","1") = "9"
    & skf18("3","10","4","10","4","6","1") = "9"
    & skf18("3","10","4","10","4","7","1") = "9"
    & skf18("3","10","4","10","4","8","1") = "9"
    & skf18("3","10","4","10","4","9","1") = "9"
    & skf18("3","10","4","10","4","10","1") = "9"
    & skf18("3","10","4","10","5","1","1") = "9"
    & skf18("3","10","4","10","5","2","1") = "9"
    & skf18("3","10","4","10","5","3","1") = "9"
    & skf18("3","10","4","10","5","4","1") = "9"
    & skf18("3","10","4","10","5","5","1") = "9"
    & skf18("3","10","4","10","5","6","1") = "9"
    & skf18("3","10","4","10","5","7","1") = "9"
    & skf18("3","10","4","10","5","8","1") = "9"
    & skf18("3","10","4","10","5","9","1") = "9"
    & skf18("3","10","4","10","5","10","1") = "9"
    & skf18("3","10","4","10","6","1","1") = "9"
    & skf18("3","10","4","10","6","2","1") = "9"
    & skf18("3","10","4","10","6","3","1") = "9"
    & skf18("3","10","4","10","6","4","1") = "9"
    & skf18("3","10","4","10","6","5","1") = "9"
    & skf18("3","10","4","10","6","6","1") = "9"
    & skf18("3","10","4","10","6","7","1") = "9"
    & skf18("3","10","4","10","6","8","1") = "9"
    & skf18("3","10","4","10","6","9","1") = "9"
    & skf18("3","10","4","10","6","10","1") = "9"
    & skf18("3","10","4","10","7","1","1") = "9"
    & skf18("3","10","4","10","7","2","1") = "9"
    & skf18("3","10","4","10","7","3","1") = "9"
    & skf18("3","10","4","10","7","4","1") = "9"
    & skf18("3","10","4","10","7","5","1") = "9"
    & skf18("3","10","4","10","7","6","1") = "9"
    & skf18("3","10","4","10","7","7","1") = "9"
    & skf18("3","10","4","10","7","8","1") = "9"
    & skf18("3","10","4","10","7","9","1") = "9"
    & skf18("3","10","4","10","7","10","1") = "9"
    & skf18("3","10","4","10","8","1","1") = "9"
    & skf18("3","10","4","10","8","2","1") = "9"
    & skf18("3","10","4","10","8","3","1") = "9"
    & skf18("3","10","4","10","8","4","1") = "9"
    & skf18("3","10","4","10","8","5","1") = "9"
    & skf18("3","10","4","10","8","6","1") = "9"
    & skf18("3","10","4","10","8","7","1") = "9"
    & skf18("3","10","4","10","8","8","1") = "9"
    & skf18("3","10","4","10","8","9","1") = "9"
    & skf18("3","10","4","10","8","10","1") = "9"
    & skf18("3","10","4","10","9","1","1") = "9"
    & skf18("3","10","4","10","9","2","1") = "9"
    & skf18("3","10","4","10","9","3","1") = "9"
    & skf18("3","10","4","10","9","4","1") = "9"
    & skf18("3","10","4","10","9","5","1") = "9"
    & skf18("3","10","4","10","9","6","1") = "9"
    & skf18("3","10","4","10","9","7","1") = "9"
    & skf18("3","10","4","10","9","8","1") = "9"
    & skf18("3","10","4","10","9","9","1") = "9"
    & skf18("3","10","4","10","9","10","1") = "9"
    & skf18("3","10","4","10","10","1","1") = "9"
    & skf18("3","10","4","10","10","2","1") = "9"
    & skf18("3","10","4","10","10","3","1") = "9"
    & skf18("3","10","4","10","10","4","1") = "9"
    & skf18("3","10","4","10","10","5","1") = "9"
    & skf18("3","10","4","10","10","6","1") = "9"
    & skf18("3","10","4","10","10","7","1") = "9"
    & skf18("3","10","4","10","10","8","1") = "9"
    & skf18("3","10","4","10","10","9","1") = "9"
    & skf18("3","10","4","10","10","10","1") = "9"
    & skf18("3","10","5","1","1","1","1") = "9"
    & skf18("3","10","5","1","1","2","1") = "9"
    & skf18("3","10","5","1","1","3","1") = "9"
    & skf18("3","10","5","1","1","4","1") = "9"
    & skf18("3","10","5","1","1","5","1") = "9"
    & skf18("3","10","5","1","1","6","1") = "9"
    & skf18("3","10","5","1","1","7","1") = "9"
    & skf18("3","10","5","1","1","8","1") = "9"
    & skf18("3","10","5","1","1","9","1") = "9"
    & skf18("3","10","5","1","1","10","1") = "9"
    & skf18("3","10","5","1","2","1","1") = "9"
    & skf18("3","10","5","1","2","2","1") = "9"
    & skf18("3","10","5","1","2","3","1") = "9"
    & skf18("3","10","5","1","2","4","1") = "9"
    & skf18("3","10","5","1","2","5","1") = "9"
    & skf18("3","10","5","1","2","6","1") = "9"
    & skf18("3","10","5","1","2","7","1") = "9"
    & skf18("3","10","5","1","2","8","1") = "9"
    & skf18("3","10","5","1","2","9","1") = "9"
    & skf18("3","10","5","1","2","10","1") = "9"
    & skf18("3","10","5","1","3","1","1") = "9"
    & skf18("3","10","5","1","3","2","1") = "9"
    & skf18("3","10","5","1","3","3","1") = "9"
    & skf18("3","10","5","1","3","4","1") = "9"
    & skf18("3","10","5","1","3","5","1") = "9"
    & skf18("3","10","5","1","3","6","1") = "9"
    & skf18("3","10","5","1","3","7","1") = "9"
    & skf18("3","10","5","1","3","8","1") = "9"
    & skf18("3","10","5","1","3","9","1") = "9"
    & skf18("3","10","5","1","3","10","1") = "9"
    & skf18("3","10","5","1","4","1","1") = "9"
    & skf18("3","10","5","1","4","2","1") = "9"
    & skf18("3","10","5","1","4","3","1") = "9"
    & skf18("3","10","5","1","4","4","1") = "9"
    & skf18("3","10","5","1","4","5","1") = "9"
    & skf18("3","10","5","1","4","6","1") = "9"
    & skf18("3","10","5","1","4","7","1") = "9"
    & skf18("3","10","5","1","4","8","1") = "9"
    & skf18("3","10","5","1","4","9","1") = "9"
    & skf18("3","10","5","1","4","10","1") = "9"
    & skf18("3","10","5","1","5","1","1") = "9"
    & skf18("3","10","5","1","5","2","1") = "9"
    & skf18("3","10","5","1","5","3","1") = "9"
    & skf18("3","10","5","1","5","4","1") = "9"
    & skf18("3","10","5","1","5","5","1") = "9"
    & skf18("3","10","5","1","5","6","1") = "9"
    & skf18("3","10","5","1","5","7","1") = "9"
    & skf18("3","10","5","1","5","8","1") = "9"
    & skf18("3","10","5","1","5","9","1") = "9"
    & skf18("3","10","5","1","5","10","1") = "9"
    & skf18("3","10","5","1","6","1","1") = "9"
    & skf18("3","10","5","1","6","2","1") = "9"
    & skf18("3","10","5","1","6","3","1") = "9"
    & skf18("3","10","5","1","6","4","1") = "9"
    & skf18("3","10","5","1","6","5","1") = "9"
    & skf18("3","10","5","1","6","6","1") = "9"
    & skf18("3","10","5","1","6","7","1") = "9"
    & skf18("3","10","5","1","6","8","1") = "9"
    & skf18("3","10","5","1","6","9","1") = "9"
    & skf18("3","10","5","1","6","10","1") = "9"
    & skf18("3","10","5","1","7","1","1") = "9"
    & skf18("3","10","5","1","7","2","1") = "9"
    & skf18("3","10","5","1","7","3","1") = "9"
    & skf18("3","10","5","1","7","4","1") = "9"
    & skf18("3","10","5","1","7","5","1") = "9"
    & skf18("3","10","5","1","7","6","1") = "9"
    & skf18("3","10","5","1","7","7","1") = "9"
    & skf18("3","10","5","1","7","8","1") = "9"
    & skf18("3","10","5","1","7","9","1") = "9"
    & skf18("3","10","5","1","7","10","1") = "9"
    & skf18("3","10","5","1","8","1","1") = "9"
    & skf18("3","10","5","1","8","2","1") = "9"
    & skf18("3","10","5","1","8","3","1") = "9"
    & skf18("3","10","5","1","8","4","1") = "9"
    & skf18("3","10","5","1","8","5","1") = "9"
    & skf18("3","10","5","1","8","6","1") = "9"
    & skf18("3","10","5","1","8","7","1") = "9"
    & skf18("3","10","5","1","8","8","1") = "9"
    & skf18("3","10","5","1","8","9","1") = "9"
    & skf18("3","10","5","1","8","10","1") = "9"
    & skf18("3","10","5","1","9","1","1") = "9"
    & skf18("3","10","5","1","9","2","1") = "9"
    & skf18("3","10","5","1","9","3","1") = "9"
    & skf18("3","10","5","1","9","4","1") = "9"
    & skf18("3","10","5","1","9","5","1") = "9"
    & skf18("3","10","5","1","9","6","1") = "9"
    & skf18("3","10","5","1","9","7","1") = "9"
    & skf18("3","10","5","1","9","8","1") = "9"
    & skf18("3","10","5","1","9","9","1") = "9"
    & skf18("3","10","5","1","9","10","1") = "9"
    & skf18("3","10","5","1","10","1","1") = "9"
    & skf18("3","10","5","1","10","2","1") = "9"
    & skf18("3","10","5","1","10","3","1") = "9"
    & skf18("3","10","5","1","10","4","1") = "9"
    & skf18("3","10","5","1","10","5","1") = "9"
    & skf18("3","10","5","1","10","6","1") = "9"
    & skf18("3","10","5","1","10","7","1") = "9"
    & skf18("3","10","5","1","10","8","1") = "9"
    & skf18("3","10","5","1","10","9","1") = "9"
    & skf18("3","10","5","1","10","10","1") = "9"
    & skf18("3","10","5","2","1","1","1") = "9"
    & skf18("3","10","5","2","1","2","1") = "9"
    & skf18("3","10","5","2","1","3","1") = "9"
    & skf18("3","10","5","2","1","4","1") = "9"
    & skf18("3","10","5","2","1","5","1") = "9"
    & skf18("3","10","5","2","1","6","1") = "9"
    & skf18("3","10","5","2","1","7","1") = "9"
    & skf18("3","10","5","2","1","8","1") = "9"
    & skf18("3","10","5","2","1","9","1") = "9"
    & skf18("3","10","5","2","1","10","1") = "9"
    & skf18("3","10","5","2","2","1","1") = "9"
    & skf18("3","10","5","2","2","2","1") = "9"
    & skf18("3","10","5","2","2","3","1") = "9"
    & skf18("3","10","5","2","2","4","1") = "9"
    & skf18("3","10","5","2","2","5","1") = "9"
    & skf18("3","10","5","2","2","6","1") = "9"
    & skf18("3","10","5","2","2","7","1") = "9"
    & skf18("3","10","5","2","2","8","1") = "9"
    & skf18("3","10","5","2","2","9","1") = "9"
    & skf18("3","10","5","2","2","10","1") = "9"
    & skf18("3","10","5","2","3","1","1") = "9"
    & skf18("3","10","5","2","3","2","1") = "9"
    & skf18("3","10","5","2","3","3","1") = "9"
    & skf18("3","10","5","2","3","4","1") = "9"
    & skf18("3","10","5","2","3","5","1") = "9"
    & skf18("3","10","5","2","3","6","1") = "9"
    & skf18("3","10","5","2","3","7","1") = "9"
    & skf18("3","10","5","2","3","8","1") = "9"
    & skf18("3","10","5","2","3","9","1") = "9"
    & skf18("3","10","5","2","3","10","1") = "9"
    & skf18("3","10","5","2","4","1","1") = "9"
    & skf18("3","10","5","2","4","2","1") = "9"
    & skf18("3","10","5","2","4","3","1") = "9"
    & skf18("3","10","5","2","4","4","1") = "9"
    & skf18("3","10","5","2","4","5","1") = "9"
    & skf18("3","10","5","2","4","6","1") = "9"
    & skf18("3","10","5","2","4","7","1") = "9"
    & skf18("3","10","5","2","4","8","1") = "9"
    & skf18("3","10","5","2","4","9","1") = "9"
    & skf18("3","10","5","2","4","10","1") = "9"
    & skf18("3","10","5","2","5","1","1") = "9"
    & skf18("3","10","5","2","5","2","1") = "9"
    & skf18("3","10","5","2","5","3","1") = "9"
    & skf18("3","10","5","2","5","4","1") = "9"
    & skf18("3","10","5","2","5","5","1") = "9"
    & skf18("3","10","5","2","5","6","1") = "9"
    & skf18("3","10","5","2","5","7","1") = "9"
    & skf18("3","10","5","2","5","8","1") = "9"
    & skf18("3","10","5","2","5","9","1") = "9"
    & skf18("3","10","5","2","5","10","1") = "9"
    & skf18("3","10","5","2","6","1","1") = "9"
    & skf18("3","10","5","2","6","2","1") = "9"
    & skf18("3","10","5","2","6","3","1") = "9"
    & skf18("3","10","5","2","6","4","1") = "9"
    & skf18("3","10","5","2","6","5","1") = "9"
    & skf18("3","10","5","2","6","6","1") = "9"
    & skf18("3","10","5","2","6","7","1") = "9"
    & skf18("3","10","5","2","6","8","1") = "9"
    & skf18("3","10","5","2","6","9","1") = "9"
    & skf18("3","10","5","2","6","10","1") = "9"
    & skf18("3","10","5","2","7","1","1") = "9"
    & skf18("3","10","5","2","7","2","1") = "9"
    & skf18("3","10","5","2","7","3","1") = "9"
    & skf18("3","10","5","2","7","4","1") = "9"
    & skf18("3","10","5","2","7","5","1") = "9"
    & skf18("3","10","5","2","7","6","1") = "9"
    & skf18("3","10","5","2","7","7","1") = "9"
    & skf18("3","10","5","2","7","8","1") = "9"
    & skf18("3","10","5","2","7","9","1") = "9"
    & skf18("3","10","5","2","7","10","1") = "9"
    & skf18("3","10","5","2","8","1","1") = "9"
    & skf18("3","10","5","2","8","2","1") = "9"
    & skf18("3","10","5","2","8","3","1") = "9"
    & skf18("3","10","5","2","8","4","1") = "9"
    & skf18("3","10","5","2","8","5","1") = "9"
    & skf18("3","10","5","2","8","6","1") = "9"
    & skf18("3","10","5","2","8","7","1") = "9"
    & skf18("3","10","5","2","8","8","1") = "9"
    & skf18("3","10","5","2","8","9","1") = "9"
    & skf18("3","10","5","2","8","10","1") = "9"
    & skf18("3","10","5","2","9","1","1") = "9"
    & skf18("3","10","5","2","9","2","1") = "9"
    & skf18("3","10","5","2","9","3","1") = "9"
    & skf18("3","10","5","2","9","4","1") = "9"
    & skf18("3","10","5","2","9","5","1") = "9"
    & skf18("3","10","5","2","9","6","1") = "9"
    & skf18("3","10","5","2","9","7","1") = "9"
    & skf18("3","10","5","2","9","8","1") = "9"
    & skf18("3","10","5","2","9","9","1") = "9"
    & skf18("3","10","5","2","9","10","1") = "9"
    & skf18("3","10","5","2","10","1","1") = "9"
    & skf18("3","10","5","2","10","2","1") = "9"
    & skf18("3","10","5","2","10","3","1") = "9"
    & skf18("3","10","5","2","10","4","1") = "9"
    & skf18("3","10","5","2","10","5","1") = "9"
    & skf18("3","10","5","2","10","6","1") = "9"
    & skf18("3","10","5","2","10","7","1") = "9"
    & skf18("3","10","5","2","10","8","1") = "9"
    & skf18("3","10","5","2","10","9","1") = "9"
    & skf18("3","10","5","2","10","10","1") = "9"
    & skf18("3","10","5","3","1","1","1") = "9"
    & skf18("3","10","5","3","1","2","1") = "9"
    & skf18("3","10","5","3","1","3","1") = "9"
    & skf18("3","10","5","3","1","4","1") = "9"
    & skf18("3","10","5","3","1","5","1") = "9"
    & skf18("3","10","5","3","1","6","1") = "9"
    & skf18("3","10","5","3","1","7","1") = "9"
    & skf18("3","10","5","3","1","8","1") = "9"
    & skf18("3","10","5","3","1","9","1") = "9"
    & skf18("3","10","5","3","1","10","1") = "9"
    & skf18("3","10","5","3","2","1","1") = "9"
    & skf18("3","10","5","3","2","2","1") = "9"
    & skf18("3","10","5","3","2","3","1") = "9"
    & skf18("3","10","5","3","2","4","1") = "9"
    & skf18("3","10","5","3","2","5","1") = "9"
    & skf18("3","10","5","3","2","6","1") = "9"
    & skf18("3","10","5","3","2","7","1") = "9"
    & skf18("3","10","5","3","2","8","1") = "9"
    & skf18("3","10","5","3","2","9","1") = "9"
    & skf18("3","10","5","3","2","10","1") = "9"
    & skf18("3","10","5","3","3","1","1") = "9"
    & skf18("3","10","5","3","3","2","1") = "9"
    & skf18("3","10","5","3","3","3","1") = "9"
    & skf18("3","10","5","3","3","4","1") = "9"
    & skf18("3","10","5","3","3","5","1") = "9"
    & skf18("3","10","5","3","3","6","1") = "9"
    & skf18("3","10","5","3","3","7","1") = "9"
    & skf18("3","10","5","3","3","8","1") = "9"
    & skf18("3","10","5","3","3","9","1") = "9"
    & skf18("3","10","5","3","3","10","1") = "9"
    & skf18("3","10","5","3","4","1","1") = "9"
    & skf18("3","10","5","3","4","2","1") = "9"
    & skf18("3","10","5","3","4","3","1") = "9"
    & skf18("3","10","5","3","4","4","1") = "9"
    & skf18("3","10","5","3","4","5","1") = "9"
    & skf18("3","10","5","3","4","6","1") = "9"
    & skf18("3","10","5","3","4","7","1") = "9"
    & skf18("3","10","5","3","4","8","1") = "9"
    & skf18("3","10","5","3","4","9","1") = "9"
    & skf18("3","10","5","3","4","10","1") = "9"
    & skf18("3","10","5","3","5","1","1") = "9"
    & skf18("3","10","5","3","5","2","1") = "9"
    & skf18("3","10","5","3","5","3","1") = "9"
    & skf18("3","10","5","3","5","4","1") = "9"
    & skf18("3","10","5","3","5","5","1") = "9"
    & skf18("3","10","5","3","5","6","1") = "9"
    & skf18("3","10","5","3","5","7","1") = "9"
    & skf18("3","10","5","3","5","8","1") = "9"
    & skf18("3","10","5","3","5","9","1") = "9"
    & skf18("3","10","5","3","5","10","1") = "9"
    & skf18("3","10","5","3","6","1","1") = "9"
    & skf18("3","10","5","3","6","2","1") = "9"
    & skf18("3","10","5","3","6","3","1") = "9"
    & skf18("3","10","5","3","6","4","1") = "9"
    & skf18("3","10","5","3","6","5","1") = "9"
    & skf18("3","10","5","3","6","6","1") = "9"
    & skf18("3","10","5","3","6","7","1") = "9"
    & skf18("3","10","5","3","6","8","1") = "9"
    & skf18("3","10","5","3","6","9","1") = "9"
    & skf18("3","10","5","3","6","10","1") = "9"
    & skf18("3","10","5","3","7","1","1") = "9"
    & skf18("3","10","5","3","7","2","1") = "9"
    & skf18("3","10","5","3","7","3","1") = "9"
    & skf18("3","10","5","3","7","4","1") = "9"
    & skf18("3","10","5","3","7","5","1") = "9"
    & skf18("3","10","5","3","7","6","1") = "9"
    & skf18("3","10","5","3","7","7","1") = "9"
    & skf18("3","10","5","3","7","8","1") = "9"
    & skf18("3","10","5","3","7","9","1") = "9"
    & skf18("3","10","5","3","7","10","1") = "9"
    & skf18("3","10","5","3","8","1","1") = "9"
    & skf18("3","10","5","3","8","2","1") = "9"
    & skf18("3","10","5","3","8","3","1") = "9"
    & skf18("3","10","5","3","8","4","1") = "9"
    & skf18("3","10","5","3","8","5","1") = "9"
    & skf18("3","10","5","3","8","6","1") = "9"
    & skf18("3","10","5","3","8","7","1") = "9"
    & skf18("3","10","5","3","8","8","1") = "9"
    & skf18("3","10","5","3","8","9","1") = "9"
    & skf18("3","10","5","3","8","10","1") = "9"
    & skf18("3","10","5","3","9","1","1") = "9"
    & skf18("3","10","5","3","9","2","1") = "9"
    & skf18("3","10","5","3","9","3","1") = "9"
    & skf18("3","10","5","3","9","4","1") = "9"
    & skf18("3","10","5","3","9","5","1") = "9"
    & skf18("3","10","5","3","9","6","1") = "9"
    & skf18("3","10","5","3","9","7","1") = "9"
    & skf18("3","10","5","3","9","8","1") = "9"
    & skf18("3","10","5","3","9","9","1") = "9"
    & skf18("3","10","5","3","9","10","1") = "9"
    & skf18("3","10","5","3","10","1","1") = "9"
    & skf18("3","10","5","3","10","2","1") = "9"
    & skf18("3","10","5","3","10","3","1") = "9"
    & skf18("3","10","5","3","10","4","1") = "9"
    & skf18("3","10","5","3","10","5","1") = "9"
    & skf18("3","10","5","3","10","6","1") = "9"
    & skf18("3","10","5","3","10","7","1") = "9"
    & skf18("3","10","5","3","10","8","1") = "9"
    & skf18("3","10","5","3","10","9","1") = "9"
    & skf18("3","10","5","3","10","10","1") = "9"
    & skf18("3","10","5","4","1","1","1") = "9"
    & skf18("3","10","5","4","1","2","1") = "9"
    & skf18("3","10","5","4","1","3","1") = "9"
    & skf18("3","10","5","4","1","4","1") = "9"
    & skf18("3","10","5","4","1","5","1") = "9"
    & skf18("3","10","5","4","1","6","1") = "9"
    & skf18("3","10","5","4","1","7","1") = "9"
    & skf18("3","10","5","4","1","8","1") = "9"
    & skf18("3","10","5","4","1","9","1") = "9"
    & skf18("3","10","5","4","1","10","1") = "9"
    & skf18("3","10","5","4","2","1","1") = "9"
    & skf18("3","10","5","4","2","2","1") = "9"
    & skf18("3","10","5","4","2","3","1") = "9"
    & skf18("3","10","5","4","2","4","1") = "9"
    & skf18("3","10","5","4","2","5","1") = "9"
    & skf18("3","10","5","4","2","6","1") = "9"
    & skf18("3","10","5","4","2","7","1") = "9"
    & skf18("3","10","5","4","2","8","1") = "9"
    & skf18("3","10","5","4","2","9","1") = "9"
    & skf18("3","10","5","4","2","10","1") = "9"
    & skf18("3","10","5","4","3","1","1") = "9"
    & skf18("3","10","5","4","3","2","1") = "9"
    & skf18("3","10","5","4","3","3","1") = "9"
    & skf18("3","10","5","4","3","4","1") = "9"
    & skf18("3","10","5","4","3","5","1") = "9"
    & skf18("3","10","5","4","3","6","1") = "9"
    & skf18("3","10","5","4","3","7","1") = "9"
    & skf18("3","10","5","4","3","8","1") = "9"
    & skf18("3","10","5","4","3","9","1") = "9"
    & skf18("3","10","5","4","3","10","1") = "9"
    & skf18("3","10","5","4","4","1","1") = "9"
    & skf18("3","10","5","4","4","2","1") = "9"
    & skf18("3","10","5","4","4","3","1") = "9"
    & skf18("3","10","5","4","4","4","1") = "9"
    & skf18("3","10","5","4","4","5","1") = "9"
    & skf18("3","10","5","4","4","6","1") = "9"
    & skf18("3","10","5","4","4","7","1") = "9"
    & skf18("3","10","5","4","4","8","1") = "9"
    & skf18("3","10","5","4","4","9","1") = "9"
    & skf18("3","10","5","4","4","10","1") = "9"
    & skf18("3","10","5","4","5","1","1") = "9"
    & skf18("3","10","5","4","5","2","1") = "9"
    & skf18("3","10","5","4","5","3","1") = "9"
    & skf18("3","10","5","4","5","4","1") = "9"
    & skf18("3","10","5","4","5","5","1") = "9"
    & skf18("3","10","5","4","5","6","1") = "9"
    & skf18("3","10","5","4","5","7","1") = "9"
    & skf18("3","10","5","4","5","8","1") = "9"
    & skf18("3","10","5","4","5","9","1") = "9"
    & skf18("3","10","5","4","5","10","1") = "9"
    & skf18("3","10","5","4","6","1","1") = "9"
    & skf18("3","10","5","4","6","2","1") = "9"
    & skf18("3","10","5","4","6","3","1") = "9"
    & skf18("3","10","5","4","6","4","1") = "9"
    & skf18("3","10","5","4","6","5","1") = "9"
    & skf18("3","10","5","4","6","6","1") = "9"
    & skf18("3","10","5","4","6","7","1") = "9"
    & skf18("3","10","5","4","6","8","1") = "9"
    & skf18("3","10","5","4","6","9","1") = "9"
    & skf18("3","10","5","4","6","10","1") = "9"
    & skf18("3","10","5","4","7","1","1") = "9"
    & skf18("3","10","5","4","7","2","1") = "9"
    & skf18("3","10","5","4","7","3","1") = "9"
    & skf18("3","10","5","4","7","4","1") = "9"
    & skf18("3","10","5","4","7","5","1") = "9"
    & skf18("3","10","5","4","7","6","1") = "9"
    & skf18("3","10","5","4","7","7","1") = "9"
    & skf18("3","10","5","4","7","8","1") = "9"
    & skf18("3","10","5","4","7","9","1") = "9"
    & skf18("3","10","5","4","7","10","1") = "9"
    & skf18("3","10","5","4","8","1","1") = "9"
    & skf18("3","10","5","4","8","2","1") = "9"
    & skf18("3","10","5","4","8","3","1") = "9"
    & skf18("3","10","5","4","8","4","1") = "9"
    & skf18("3","10","5","4","8","5","1") = "9"
    & skf18("3","10","5","4","8","6","1") = "9"
    & skf18("3","10","5","4","8","7","1") = "9"
    & skf18("3","10","5","4","8","8","1") = "9"
    & skf18("3","10","5","4","8","9","1") = "9"
    & skf18("3","10","5","4","8","10","1") = "9"
    & skf18("3","10","5","4","9","1","1") = "9"
    & skf18("3","10","5","4","9","2","1") = "9"
    & skf18("3","10","5","4","9","3","1") = "9"
    & skf18("3","10","5","4","9","4","1") = "9"
    & skf18("3","10","5","4","9","5","1") = "9"
    & skf18("3","10","5","4","9","6","1") = "9"
    & skf18("3","10","5","4","9","7","1") = "9"
    & skf18("3","10","5","4","9","8","1") = "9"
    & skf18("3","10","5","4","9","9","1") = "9"
    & skf18("3","10","5","4","9","10","1") = "9"
    & skf18("3","10","5","4","10","1","1") = "9"
    & skf18("3","10","5","4","10","2","1") = "9"
    & skf18("3","10","5","4","10","3","1") = "9"
    & skf18("3","10","5","4","10","4","1") = "9"
    & skf18("3","10","5","4","10","5","1") = "9"
    & skf18("3","10","5","4","10","6","1") = "9"
    & skf18("3","10","5","4","10","7","1") = "9"
    & skf18("3","10","5","4","10","8","1") = "9"
    & skf18("3","10","5","4","10","9","1") = "9"
    & skf18("3","10","5","4","10","10","1") = "9"
    & skf18("3","10","5","5","1","1","1") = "9"
    & skf18("3","10","5","5","1","2","1") = "9"
    & skf18("3","10","5","5","1","3","1") = "9"
    & skf18("3","10","5","5","1","4","1") = "9"
    & skf18("3","10","5","5","1","5","1") = "9"
    & skf18("3","10","5","5","1","6","1") = "9"
    & skf18("3","10","5","5","1","7","1") = "9"
    & skf18("3","10","5","5","1","8","1") = "9"
    & skf18("3","10","5","5","1","9","1") = "9"
    & skf18("3","10","5","5","1","10","1") = "9"
    & skf18("3","10","5","5","2","1","1") = "9"
    & skf18("3","10","5","5","2","2","1") = "9"
    & skf18("3","10","5","5","2","3","1") = "9"
    & skf18("3","10","5","5","2","4","1") = "9"
    & skf18("3","10","5","5","2","5","1") = "9"
    & skf18("3","10","5","5","2","6","1") = "9"
    & skf18("3","10","5","5","2","7","1") = "9"
    & skf18("3","10","5","5","2","8","1") = "9"
    & skf18("3","10","5","5","2","9","1") = "9"
    & skf18("3","10","5","5","2","10","1") = "9"
    & skf18("3","10","5","5","3","1","1") = "9"
    & skf18("3","10","5","5","3","2","1") = "9"
    & skf18("3","10","5","5","3","3","1") = "9"
    & skf18("3","10","5","5","3","4","1") = "9"
    & skf18("3","10","5","5","3","5","1") = "9"
    & skf18("3","10","5","5","3","6","1") = "9"
    & skf18("3","10","5","5","3","7","1") = "9"
    & skf18("3","10","5","5","3","8","1") = "9"
    & skf18("3","10","5","5","3","9","1") = "9"
    & skf18("3","10","5","5","3","10","1") = "9"
    & skf18("3","10","5","5","4","1","1") = "9"
    & skf18("3","10","5","5","4","2","1") = "9"
    & skf18("3","10","5","5","4","3","1") = "9"
    & skf18("3","10","5","5","4","4","1") = "9"
    & skf18("3","10","5","5","4","5","1") = "9"
    & skf18("3","10","5","5","4","6","1") = "9"
    & skf18("3","10","5","5","4","7","1") = "9"
    & skf18("3","10","5","5","4","8","1") = "9"
    & skf18("3","10","5","5","4","9","1") = "9"
    & skf18("3","10","5","5","4","10","1") = "9"
    & skf18("3","10","5","5","5","1","1") = "9"
    & skf18("3","10","5","5","5","2","1") = "9"
    & skf18("3","10","5","5","5","3","1") = "9"
    & skf18("3","10","5","5","5","4","1") = "9"
    & skf18("3","10","5","5","5","5","1") = "9"
    & skf18("3","10","5","5","5","6","1") = "9"
    & skf18("3","10","5","5","5","7","1") = "9"
    & skf18("3","10","5","5","5","8","1") = "9"
    & skf18("3","10","5","5","5","9","1") = "9"
    & skf18("3","10","5","5","5","10","1") = "9"
    & skf18("3","10","5","5","6","1","1") = "9"
    & skf18("3","10","5","5","6","2","1") = "9"
    & skf18("3","10","5","5","6","3","1") = "9"
    & skf18("3","10","5","5","6","4","1") = "9"
    & skf18("3","10","5","5","6","5","1") = "9"
    & skf18("3","10","5","5","6","6","1") = "9"
    & skf18("3","10","5","5","6","7","1") = "9"
    & skf18("3","10","5","5","6","8","1") = "9"
    & skf18("3","10","5","5","6","9","1") = "9"
    & skf18("3","10","5","5","6","10","1") = "9"
    & skf18("3","10","5","5","7","1","1") = "9"
    & skf18("3","10","5","5","7","2","1") = "9"
    & skf18("3","10","5","5","7","3","1") = "9"
    & skf18("3","10","5","5","7","4","1") = "9"
    & skf18("3","10","5","5","7","5","1") = "9"
    & skf18("3","10","5","5","7","6","1") = "9"
    & skf18("3","10","5","5","7","7","1") = "9"
    & skf18("3","10","5","5","7","8","1") = "9"
    & skf18("3","10","5","5","7","9","1") = "9"
    & skf18("3","10","5","5","7","10","1") = "9"
    & skf18("3","10","5","5","8","1","1") = "9"
    & skf18("3","10","5","5","8","2","1") = "9"
    & skf18("3","10","5","5","8","3","1") = "9"
    & skf18("3","10","5","5","8","4","1") = "9"
    & skf18("3","10","5","5","8","5","1") = "9"
    & skf18("3","10","5","5","8","6","1") = "9"
    & skf18("3","10","5","5","8","7","1") = "9"
    & skf18("3","10","5","5","8","8","1") = "9"
    & skf18("3","10","5","5","8","9","1") = "9"
    & skf18("3","10","5","5","8","10","1") = "9"
    & skf18("3","10","5","5","9","1","1") = "9"
    & skf18("3","10","5","5","9","2","1") = "9"
    & skf18("3","10","5","5","9","3","1") = "9"
    & skf18("3","10","5","5","9","4","1") = "9"
    & skf18("3","10","5","5","9","5","1") = "9"
    & skf18("3","10","5","5","9","6","1") = "9"
    & skf18("3","10","5","5","9","7","1") = "9"
    & skf18("3","10","5","5","9","8","1") = "9"
    & skf18("3","10","5","5","9","9","1") = "9"
    & skf18("3","10","5","5","9","10","1") = "9"
    & skf18("3","10","5","5","10","1","1") = "9"
    & skf18("3","10","5","5","10","2","1") = "9"
    & skf18("3","10","5","5","10","3","1") = "9"
    & skf18("3","10","5","5","10","4","1") = "9"
    & skf18("3","10","5","5","10","5","1") = "9"
    & skf18("3","10","5","5","10","6","1") = "9"
    & skf18("3","10","5","5","10","7","1") = "9"
    & skf18("3","10","5","5","10","8","1") = "9"
    & skf18("3","10","5","5","10","9","1") = "9"
    & skf18("3","10","5","5","10","10","1") = "9"
    & skf18("3","10","5","6","1","1","1") = "9"
    & skf18("3","10","5","6","1","2","1") = "9"
    & skf18("3","10","5","6","1","3","1") = "9"
    & skf18("3","10","5","6","1","4","1") = "9"
    & skf18("3","10","5","6","1","5","1") = "9"
    & skf18("3","10","5","6","1","6","1") = "9"
    & skf18("3","10","5","6","1","7","1") = "9"
    & skf18("3","10","5","6","1","8","1") = "9"
    & skf18("3","10","5","6","1","9","1") = "9"
    & skf18("3","10","5","6","1","10","1") = "9"
    & skf18("3","10","5","6","2","1","1") = "9"
    & skf18("3","10","5","6","2","2","1") = "9"
    & skf18("3","10","5","6","2","3","1") = "9"
    & skf18("3","10","5","6","2","4","1") = "9"
    & skf18("3","10","5","6","2","5","1") = "9"
    & skf18("3","10","5","6","2","6","1") = "9"
    & skf18("3","10","5","6","2","7","1") = "9"
    & skf18("3","10","5","6","2","8","1") = "9"
    & skf18("3","10","5","6","2","9","1") = "9"
    & skf18("3","10","5","6","2","10","1") = "9"
    & skf18("3","10","5","6","3","1","1") = "9"
    & skf18("3","10","5","6","3","2","1") = "9"
    & skf18("3","10","5","6","3","3","1") = "9"
    & skf18("3","10","5","6","3","4","1") = "9"
    & skf18("3","10","5","6","3","5","1") = "9"
    & skf18("3","10","5","6","3","6","1") = "9"
    & skf18("3","10","5","6","3","7","1") = "9"
    & skf18("3","10","5","6","3","8","1") = "9"
    & skf18("3","10","5","6","3","9","1") = "9"
    & skf18("3","10","5","6","3","10","1") = "9"
    & skf18("3","10","5","6","4","1","1") = "9"
    & skf18("3","10","5","6","4","2","1") = "9"
    & skf18("3","10","5","6","4","3","1") = "9"
    & skf18("3","10","5","6","4","4","1") = "9"
    & skf18("3","10","5","6","4","5","1") = "9"
    & skf18("3","10","5","6","4","6","1") = "9"
    & skf18("3","10","5","6","4","7","1") = "9"
    & skf18("3","10","5","6","4","8","1") = "9"
    & skf18("3","10","5","6","4","9","1") = "9"
    & skf18("3","10","5","6","4","10","1") = "9"
    & skf18("3","10","5","6","5","1","1") = "9"
    & skf18("3","10","5","6","5","2","1") = "9"
    & skf18("3","10","5","6","5","3","1") = "9"
    & skf18("3","10","5","6","5","4","1") = "9"
    & skf18("3","10","5","6","5","5","1") = "9"
    & skf18("3","10","5","6","5","6","1") = "9"
    & skf18("3","10","5","6","5","7","1") = "9"
    & skf18("3","10","5","6","5","8","1") = "9"
    & skf18("3","10","5","6","5","9","1") = "9"
    & skf18("3","10","5","6","5","10","1") = "9"
    & skf18("3","10","5","6","6","1","1") = "9"
    & skf18("3","10","5","6","6","2","1") = "9"
    & skf18("3","10","5","6","6","3","1") = "9"
    & skf18("3","10","5","6","6","4","1") = "9"
    & skf18("3","10","5","6","6","5","1") = "9"
    & skf18("3","10","5","6","6","6","1") = "9"
    & skf18("3","10","5","6","6","7","1") = "9"
    & skf18("3","10","5","6","6","8","1") = "9"
    & skf18("3","10","5","6","6","9","1") = "9"
    & skf18("3","10","5","6","6","10","1") = "9"
    & skf18("3","10","5","6","7","1","1") = "9"
    & skf18("3","10","5","6","7","2","1") = "9"
    & skf18("3","10","5","6","7","3","1") = "9"
    & skf18("3","10","5","6","7","4","1") = "9"
    & skf18("3","10","5","6","7","5","1") = "9"
    & skf18("3","10","5","6","7","6","1") = "9"
    & skf18("3","10","5","6","7","7","1") = "9"
    & skf18("3","10","5","6","7","8","1") = "9"
    & skf18("3","10","5","6","7","9","1") = "9"
    & skf18("3","10","5","6","7","10","1") = "9"
    & skf18("3","10","5","6","8","1","1") = "9"
    & skf18("3","10","5","6","8","2","1") = "9"
    & skf18("3","10","5","6","8","3","1") = "9"
    & skf18("3","10","5","6","8","4","1") = "9"
    & skf18("3","10","5","6","8","5","1") = "9"
    & skf18("3","10","5","6","8","6","1") = "9"
    & skf18("3","10","5","6","8","7","1") = "9"
    & skf18("3","10","5","6","8","8","1") = "9"
    & skf18("3","10","5","6","8","9","1") = "9"
    & skf18("3","10","5","6","8","10","1") = "9"
    & skf18("3","10","5","6","9","1","1") = "9"
    & skf18("3","10","5","6","9","2","1") = "9"
    & skf18("3","10","5","6","9","3","1") = "9"
    & skf18("3","10","5","6","9","4","1") = "9"
    & skf18("3","10","5","6","9","5","1") = "9"
    & skf18("3","10","5","6","9","6","1") = "9"
    & skf18("3","10","5","6","9","7","1") = "9"
    & skf18("3","10","5","6","9","8","1") = "9"
    & skf18("3","10","5","6","9","9","1") = "9"
    & skf18("3","10","5","6","9","10","1") = "9"
    & skf18("3","10","5","6","10","1","1") = "9"
    & skf18("3","10","5","6","10","2","1") = "9"
    & skf18("3","10","5","6","10","3","1") = "9"
    & skf18("3","10","5","6","10","4","1") = "9"
    & skf18("3","10","5","6","10","5","1") = "9"
    & skf18("3","10","5","6","10","6","1") = "9"
    & skf18("3","10","5","6","10","7","1") = "9"
    & skf18("3","10","5","6","10","8","1") = "9"
    & skf18("3","10","5","6","10","9","1") = "9"
    & skf18("3","10","5","6","10","10","1") = "9"
    & skf18("3","10","5","7","1","1","1") = "9"
    & skf18("3","10","5","7","1","2","1") = "9"
    & skf18("3","10","5","7","1","3","1") = "9"
    & skf18("3","10","5","7","1","4","1") = "9"
    & skf18("3","10","5","7","1","5","1") = "9"
    & skf18("3","10","5","7","1","6","1") = "9"
    & skf18("3","10","5","7","1","7","1") = "9"
    & skf18("3","10","5","7","1","8","1") = "9"
    & skf18("3","10","5","7","1","9","1") = "9"
    & skf18("3","10","5","7","1","10","1") = "9"
    & skf18("3","10","5","7","2","1","1") = "9"
    & skf18("3","10","5","7","2","2","1") = "9"
    & skf18("3","10","5","7","2","3","1") = "9"
    & skf18("3","10","5","7","2","4","1") = "9"
    & skf18("3","10","5","7","2","5","1") = "9"
    & skf18("3","10","5","7","2","6","1") = "9"
    & skf18("3","10","5","7","2","7","1") = "9"
    & skf18("3","10","5","7","2","8","1") = "9"
    & skf18("3","10","5","7","2","9","1") = "9"
    & skf18("3","10","5","7","2","10","1") = "9"
    & skf18("3","10","5","7","3","1","1") = "9"
    & skf18("3","10","5","7","3","2","1") = "9"
    & skf18("3","10","5","7","3","3","1") = "9"
    & skf18("3","10","5","7","3","4","1") = "9"
    & skf18("3","10","5","7","3","5","1") = "9"
    & skf18("3","10","5","7","3","6","1") = "9"
    & skf18("3","10","5","7","3","7","1") = "9"
    & skf18("3","10","5","7","3","8","1") = "9"
    & skf18("3","10","5","7","3","9","1") = "9"
    & skf18("3","10","5","7","3","10","1") = "9"
    & skf18("3","10","5","7","4","1","1") = "9"
    & skf18("3","10","5","7","4","2","1") = "9"
    & skf18("3","10","5","7","4","3","1") = "9"
    & skf18("3","10","5","7","4","4","1") = "9"
    & skf18("3","10","5","7","4","5","1") = "9"
    & skf18("3","10","5","7","4","6","1") = "9"
    & skf18("3","10","5","7","4","7","1") = "9"
    & skf18("3","10","5","7","4","8","1") = "9"
    & skf18("3","10","5","7","4","9","1") = "9"
    & skf18("3","10","5","7","4","10","1") = "9"
    & skf18("3","10","5","7","5","1","1") = "9"
    & skf18("3","10","5","7","5","2","1") = "9"
    & skf18("3","10","5","7","5","3","1") = "9"
    & skf18("3","10","5","7","5","4","1") = "9"
    & skf18("3","10","5","7","5","5","1") = "9"
    & skf18("3","10","5","7","5","6","1") = "9"
    & skf18("3","10","5","7","5","7","1") = "9"
    & skf18("3","10","5","7","5","8","1") = "9"
    & skf18("3","10","5","7","5","9","1") = "9"
    & skf18("3","10","5","7","5","10","1") = "9"
    & skf18("3","10","5","7","6","1","1") = "9"
    & skf18("3","10","5","7","6","2","1") = "9"
    & skf18("3","10","5","7","6","3","1") = "9"
    & skf18("3","10","5","7","6","4","1") = "9"
    & skf18("3","10","5","7","6","5","1") = "9"
    & skf18("3","10","5","7","6","6","1") = "9"
    & skf18("3","10","5","7","6","7","1") = "9"
    & skf18("3","10","5","7","6","8","1") = "9"
    & skf18("3","10","5","7","6","9","1") = "9"
    & skf18("3","10","5","7","6","10","1") = "9"
    & skf18("3","10","5","7","7","1","1") = "9"
    & skf18("3","10","5","7","7","2","1") = "9"
    & skf18("3","10","5","7","7","3","1") = "9"
    & skf18("3","10","5","7","7","4","1") = "9"
    & skf18("3","10","5","7","7","5","1") = "9"
    & skf18("3","10","5","7","7","6","1") = "9"
    & skf18("3","10","5","7","7","7","1") = "9"
    & skf18("3","10","5","7","7","8","1") = "9"
    & skf18("3","10","5","7","7","9","1") = "9"
    & skf18("3","10","5","7","7","10","1") = "9"
    & skf18("3","10","5","7","8","1","1") = "9"
    & skf18("3","10","5","7","8","2","1") = "9"
    & skf18("3","10","5","7","8","3","1") = "9"
    & skf18("3","10","5","7","8","4","1") = "9"
    & skf18("3","10","5","7","8","5","1") = "9"
    & skf18("3","10","5","7","8","6","1") = "9"
    & skf18("3","10","5","7","8","7","1") = "9"
    & skf18("3","10","5","7","8","8","1") = "9"
    & skf18("3","10","5","7","8","9","1") = "9"
    & skf18("3","10","5","7","8","10","1") = "9"
    & skf18("3","10","5","7","9","1","1") = "9"
    & skf18("3","10","5","7","9","2","1") = "9"
    & skf18("3","10","5","7","9","3","1") = "9"
    & skf18("3","10","5","7","9","4","1") = "9"
    & skf18("3","10","5","7","9","5","1") = "9"
    & skf18("3","10","5","7","9","6","1") = "9"
    & skf18("3","10","5","7","9","7","1") = "9"
    & skf18("3","10","5","7","9","8","1") = "9"
    & skf18("3","10","5","7","9","9","1") = "9"
    & skf18("3","10","5","7","9","10","1") = "9"
    & skf18("3","10","5","7","10","1","1") = "9"
    & skf18("3","10","5","7","10","2","1") = "9"
    & skf18("3","10","5","7","10","3","1") = "9"
    & skf18("3","10","5","7","10","4","1") = "9"
    & skf18("3","10","5","7","10","5","1") = "9"
    & skf18("3","10","5","7","10","6","1") = "9"
    & skf18("3","10","5","7","10","7","1") = "9"
    & skf18("3","10","5","7","10","8","1") = "9"
    & skf18("3","10","5","7","10","9","1") = "9"
    & skf18("3","10","5","7","10","10","1") = "9"
    & skf18("3","10","5","8","1","1","1") = "9"
    & skf18("3","10","5","8","1","2","1") = "9"
    & skf18("3","10","5","8","1","3","1") = "9"
    & skf18("3","10","5","8","1","4","1") = "9"
    & skf18("3","10","5","8","1","5","1") = "9"
    & skf18("3","10","5","8","1","6","1") = "9"
    & skf18("3","10","5","8","1","7","1") = "9"
    & skf18("3","10","5","8","1","8","1") = "9"
    & skf18("3","10","5","8","1","9","1") = "9"
    & skf18("3","10","5","8","1","10","1") = "9"
    & skf18("3","10","5","8","2","1","1") = "9"
    & skf18("3","10","5","8","2","2","1") = "9"
    & skf18("3","10","5","8","2","3","1") = "9"
    & skf18("3","10","5","8","2","4","1") = "9"
    & skf18("3","10","5","8","2","5","1") = "9"
    & skf18("3","10","5","8","2","6","1") = "9"
    & skf18("3","10","5","8","2","7","1") = "9"
    & skf18("3","10","5","8","2","8","1") = "9"
    & skf18("3","10","5","8","2","9","1") = "9"
    & skf18("3","10","5","8","2","10","1") = "9"
    & skf18("3","10","5","8","3","1","1") = "9"
    & skf18("3","10","5","8","3","2","1") = "9"
    & skf18("3","10","5","8","3","3","1") = "9"
    & skf18("3","10","5","8","3","4","1") = "9"
    & skf18("3","10","5","8","3","5","1") = "9"
    & skf18("3","10","5","8","3","6","1") = "9"
    & skf18("3","10","5","8","3","7","1") = "9"
    & skf18("3","10","5","8","3","8","1") = "9"
    & skf18("3","10","5","8","3","9","1") = "9"
    & skf18("3","10","5","8","3","10","1") = "9"
    & skf18("3","10","5","8","4","1","1") = "9"
    & skf18("3","10","5","8","4","2","1") = "9"
    & skf18("3","10","5","8","4","3","1") = "9"
    & skf18("3","10","5","8","4","4","1") = "9"
    & skf18("3","10","5","8","4","5","1") = "9"
    & skf18("3","10","5","8","4","6","1") = "9"
    & skf18("3","10","5","8","4","7","1") = "9"
    & skf18("3","10","5","8","4","8","1") = "9"
    & skf18("3","10","5","8","4","9","1") = "9"
    & skf18("3","10","5","8","4","10","1") = "9"
    & skf18("3","10","5","8","5","1","1") = "9"
    & skf18("3","10","5","8","5","2","1") = "9"
    & skf18("3","10","5","8","5","3","1") = "9"
    & skf18("3","10","5","8","5","4","1") = "9"
    & skf18("3","10","5","8","5","5","1") = "9"
    & skf18("3","10","5","8","5","6","1") = "9"
    & skf18("3","10","5","8","5","7","1") = "9"
    & skf18("3","10","5","8","5","8","1") = "9"
    & skf18("3","10","5","8","5","9","1") = "9"
    & skf18("3","10","5","8","5","10","1") = "9"
    & skf18("3","10","5","8","6","1","1") = "9"
    & skf18("3","10","5","8","6","2","1") = "9"
    & skf18("3","10","5","8","6","3","1") = "9"
    & skf18("3","10","5","8","6","4","1") = "9"
    & skf18("3","10","5","8","6","5","1") = "9"
    & skf18("3","10","5","8","6","6","1") = "9"
    & skf18("3","10","5","8","6","7","1") = "9"
    & skf18("3","10","5","8","6","8","1") = "9"
    & skf18("3","10","5","8","6","9","1") = "9"
    & skf18("3","10","5","8","6","10","1") = "9"
    & skf18("3","10","5","8","7","1","1") = "9"
    & skf18("3","10","5","8","7","2","1") = "9"
    & skf18("3","10","5","8","7","3","1") = "9"
    & skf18("3","10","5","8","7","4","1") = "9"
    & skf18("3","10","5","8","7","5","1") = "9"
    & skf18("3","10","5","8","7","6","1") = "9"
    & skf18("3","10","5","8","7","7","1") = "9"
    & skf18("3","10","5","8","7","8","1") = "9"
    & skf18("3","10","5","8","7","9","1") = "9"
    & skf18("3","10","5","8","7","10","1") = "9"
    & skf18("3","10","5","8","8","1","1") = "9"
    & skf18("3","10","5","8","8","2","1") = "9"
    & skf18("3","10","5","8","8","3","1") = "9"
    & skf18("3","10","5","8","8","4","1") = "9"
    & skf18("3","10","5","8","8","5","1") = "9"
    & skf18("3","10","5","8","8","6","1") = "9"
    & skf18("3","10","5","8","8","7","1") = "9"
    & skf18("3","10","5","8","8","8","1") = "9"
    & skf18("3","10","5","8","8","9","1") = "9"
    & skf18("3","10","5","8","8","10","1") = "9"
    & skf18("3","10","5","8","9","1","1") = "9"
    & skf18("3","10","5","8","9","2","1") = "9"
    & skf18("3","10","5","8","9","3","1") = "9"
    & skf18("3","10","5","8","9","4","1") = "9"
    & skf18("3","10","5","8","9","5","1") = "9"
    & skf18("3","10","5","8","9","6","1") = "9"
    & skf18("3","10","5","8","9","7","1") = "9"
    & skf18("3","10","5","8","9","8","1") = "9"
    & skf18("3","10","5","8","9","9","1") = "9"
    & skf18("3","10","5","8","9","10","1") = "9"
    & skf18("3","10","5","8","10","1","1") = "9"
    & skf18("3","10","5","8","10","2","1") = "9"
    & skf18("3","10","5","8","10","3","1") = "9"
    & skf18("3","10","5","8","10","4","1") = "9"
    & skf18("3","10","5","8","10","5","1") = "9"
    & skf18("3","10","5","8","10","6","1") = "9"
    & skf18("3","10","5","8","10","7","1") = "9"
    & skf18("3","10","5","8","10","8","1") = "9"
    & skf18("3","10","5","8","10","9","1") = "9"
    & skf18("3","10","5","8","10","10","1") = "9"
    & skf18("3","10","5","9","1","1","1") = "9"
    & skf18("3","10","5","9","1","2","1") = "9"
    & skf18("3","10","5","9","1","3","1") = "9"
    & skf18("3","10","5","9","1","4","1") = "9"
    & skf18("3","10","5","9","1","5","1") = "9"
    & skf18("3","10","5","9","1","6","1") = "9"
    & skf18("3","10","5","9","1","7","1") = "9"
    & skf18("3","10","5","9","1","8","1") = "9"
    & skf18("3","10","5","9","1","9","1") = "9"
    & skf18("3","10","5","9","1","10","1") = "9"
    & skf18("3","10","5","9","2","1","1") = "9"
    & skf18("3","10","5","9","2","2","1") = "9"
    & skf18("3","10","5","9","2","3","1") = "9"
    & skf18("3","10","5","9","2","4","1") = "9"
    & skf18("3","10","5","9","2","5","1") = "9"
    & skf18("3","10","5","9","2","6","1") = "9"
    & skf18("3","10","5","9","2","7","1") = "9"
    & skf18("3","10","5","9","2","8","1") = "9"
    & skf18("3","10","5","9","2","9","1") = "9"
    & skf18("3","10","5","9","2","10","1") = "9"
    & skf18("3","10","5","9","3","1","1") = "9"
    & skf18("3","10","5","9","3","2","1") = "9"
    & skf18("3","10","5","9","3","3","1") = "9"
    & skf18("3","10","5","9","3","4","1") = "9"
    & skf18("3","10","5","9","3","5","1") = "9"
    & skf18("3","10","5","9","3","6","1") = "9"
    & skf18("3","10","5","9","3","7","1") = "9"
    & skf18("3","10","5","9","3","8","1") = "9"
    & skf18("3","10","5","9","3","9","1") = "9"
    & skf18("3","10","5","9","3","10","1") = "9"
    & skf18("3","10","5","9","4","1","1") = "9"
    & skf18("3","10","5","9","4","2","1") = "9"
    & skf18("3","10","5","9","4","3","1") = "9"
    & skf18("3","10","5","9","4","4","1") = "9"
    & skf18("3","10","5","9","4","5","1") = "9"
    & skf18("3","10","5","9","4","6","1") = "9"
    & skf18("3","10","5","9","4","7","1") = "9"
    & skf18("3","10","5","9","4","8","1") = "9"
    & skf18("3","10","5","9","4","9","1") = "9"
    & skf18("3","10","5","9","4","10","1") = "9"
    & skf18("3","10","5","9","5","1","1") = "9"
    & skf18("3","10","5","9","5","2","1") = "9"
    & skf18("3","10","5","9","5","3","1") = "9"
    & skf18("3","10","5","9","5","4","1") = "9"
    & skf18("3","10","5","9","5","5","1") = "9"
    & skf18("3","10","5","9","5","6","1") = "9"
    & skf18("3","10","5","9","5","7","1") = "9"
    & skf18("3","10","5","9","5","8","1") = "9"
    & skf18("3","10","5","9","5","9","1") = "9"
    & skf18("3","10","5","9","5","10","1") = "9"
    & skf18("3","10","5","9","6","1","1") = "9"
    & skf18("3","10","5","9","6","2","1") = "9"
    & skf18("3","10","5","9","6","3","1") = "9"
    & skf18("3","10","5","9","6","4","1") = "9"
    & skf18("3","10","5","9","6","5","1") = "9"
    & skf18("3","10","5","9","6","6","1") = "9"
    & skf18("3","10","5","9","6","7","1") = "9"
    & skf18("3","10","5","9","6","8","1") = "9"
    & skf18("3","10","5","9","6","9","1") = "9"
    & skf18("3","10","5","9","6","10","1") = "9"
    & skf18("3","10","5","9","7","1","1") = "9"
    & skf18("3","10","5","9","7","2","1") = "9"
    & skf18("3","10","5","9","7","3","1") = "9"
    & skf18("3","10","5","9","7","4","1") = "9"
    & skf18("3","10","5","9","7","5","1") = "9"
    & skf18("3","10","5","9","7","6","1") = "9"
    & skf18("3","10","5","9","7","7","1") = "9"
    & skf18("3","10","5","9","7","8","1") = "9"
    & skf18("3","10","5","9","7","9","1") = "9"
    & skf18("3","10","5","9","7","10","1") = "9"
    & skf18("3","10","5","9","8","1","1") = "9"
    & skf18("3","10","5","9","8","2","1") = "9"
    & skf18("3","10","5","9","8","3","1") = "9"
    & skf18("3","10","5","9","8","4","1") = "9"
    & skf18("3","10","5","9","8","5","1") = "9"
    & skf18("3","10","5","9","8","6","1") = "9"
    & skf18("3","10","5","9","8","7","1") = "9"
    & skf18("3","10","5","9","8","8","1") = "9"
    & skf18("3","10","5","9","8","9","1") = "9"
    & skf18("3","10","5","9","8","10","1") = "9"
    & skf18("3","10","5","9","9","1","1") = "9"
    & skf18("3","10","5","9","9","2","1") = "9"
    & skf18("3","10","5","9","9","3","1") = "9"
    & skf18("3","10","5","9","9","4","1") = "9"
    & skf18("3","10","5","9","9","5","1") = "9"
    & skf18("3","10","5","9","9","6","1") = "9"
    & skf18("3","10","5","9","9","7","1") = "9"
    & skf18("3","10","5","9","9","8","1") = "9"
    & skf18("3","10","5","9","9","9","1") = "9"
    & skf18("3","10","5","9","9","10","1") = "9"
    & skf18("3","10","5","9","10","1","1") = "9"
    & skf18("3","10","5","9","10","2","1") = "9"
    & skf18("3","10","5","9","10","3","1") = "9"
    & skf18("3","10","5","9","10","4","1") = "9"
    & skf18("3","10","5","9","10","5","1") = "9"
    & skf18("3","10","5","9","10","6","1") = "9"
    & skf18("3","10","5","9","10","7","1") = "9"
    & skf18("3","10","5","9","10","8","1") = "9"
    & skf18("3","10","5","9","10","9","1") = "9"
    & skf18("3","10","5","9","10","10","1") = "9"
    & skf18("3","10","5","10","1","1","1") = "9"
    & skf18("3","10","5","10","1","2","1") = "9"
    & skf18("3","10","5","10","1","3","1") = "9"
    & skf18("3","10","5","10","1","4","1") = "9"
    & skf18("3","10","5","10","1","5","1") = "9"
    & skf18("3","10","5","10","1","6","1") = "9"
    & skf18("3","10","5","10","1","7","1") = "9"
    & skf18("3","10","5","10","1","8","1") = "9"
    & skf18("3","10","5","10","1","9","1") = "9"
    & skf18("3","10","5","10","1","10","1") = "9"
    & skf18("3","10","5","10","2","1","1") = "9"
    & skf18("3","10","5","10","2","2","1") = "9"
    & skf18("3","10","5","10","2","3","1") = "9"
    & skf18("3","10","5","10","2","4","1") = "9"
    & skf18("3","10","5","10","2","5","1") = "9"
    & skf18("3","10","5","10","2","6","1") = "9"
    & skf18("3","10","5","10","2","7","1") = "9"
    & skf18("3","10","5","10","2","8","1") = "9"
    & skf18("3","10","5","10","2","9","1") = "9"
    & skf18("3","10","5","10","2","10","1") = "9"
    & skf18("3","10","5","10","3","1","1") = "9"
    & skf18("3","10","5","10","3","2","1") = "9"
    & skf18("3","10","5","10","3","3","1") = "9"
    & skf18("3","10","5","10","3","4","1") = "9"
    & skf18("3","10","5","10","3","5","1") = "9"
    & skf18("3","10","5","10","3","6","1") = "9"
    & skf18("3","10","5","10","3","7","1") = "9"
    & skf18("3","10","5","10","3","8","1") = "9"
    & skf18("3","10","5","10","3","9","1") = "9"
    & skf18("3","10","5","10","3","10","1") = "9"
    & skf18("3","10","5","10","4","1","1") = "9"
    & skf18("3","10","5","10","4","2","1") = "9"
    & skf18("3","10","5","10","4","3","1") = "9"
    & skf18("3","10","5","10","4","4","1") = "9"
    & skf18("3","10","5","10","4","5","1") = "9"
    & skf18("3","10","5","10","4","6","1") = "9"
    & skf18("3","10","5","10","4","7","1") = "9"
    & skf18("3","10","5","10","4","8","1") = "9"
    & skf18("3","10","5","10","4","9","1") = "9"
    & skf18("3","10","5","10","4","10","1") = "9"
    & skf18("3","10","5","10","5","1","1") = "9"
    & skf18("3","10","5","10","5","2","1") = "9"
    & skf18("3","10","5","10","5","3","1") = "9"
    & skf18("3","10","5","10","5","4","1") = "9"
    & skf18("3","10","5","10","5","5","1") = "9"
    & skf18("3","10","5","10","5","6","1") = "9"
    & skf18("3","10","5","10","5","7","1") = "9"
    & skf18("3","10","5","10","5","8","1") = "9"
    & skf18("3","10","5","10","5","9","1") = "9"
    & skf18("3","10","5","10","5","10","1") = "9"
    & skf18("3","10","5","10","6","1","1") = "9"
    & skf18("3","10","5","10","6","2","1") = "9"
    & skf18("3","10","5","10","6","3","1") = "9"
    & skf18("3","10","5","10","6","4","1") = "9"
    & skf18("3","10","5","10","6","5","1") = "9"
    & skf18("3","10","5","10","6","6","1") = "9"
    & skf18("3","10","5","10","6","7","1") = "9"
    & skf18("3","10","5","10","6","8","1") = "9"
    & skf18("3","10","5","10","6","9","1") = "9"
    & skf18("3","10","5","10","6","10","1") = "9"
    & skf18("3","10","5","10","7","1","1") = "9"
    & skf18("3","10","5","10","7","2","1") = "9"
    & skf18("3","10","5","10","7","3","1") = "9"
    & skf18("3","10","5","10","7","4","1") = "9"
    & skf18("3","10","5","10","7","5","1") = "9"
    & skf18("3","10","5","10","7","6","1") = "9"
    & skf18("3","10","5","10","7","7","1") = "9"
    & skf18("3","10","5","10","7","8","1") = "9"
    & skf18("3","10","5","10","7","9","1") = "9"
    & skf18("3","10","5","10","7","10","1") = "9"
    & skf18("3","10","5","10","8","1","1") = "9"
    & skf18("3","10","5","10","8","2","1") = "9"
    & skf18("3","10","5","10","8","3","1") = "9"
    & skf18("3","10","5","10","8","4","1") = "9"
    & skf18("3","10","5","10","8","5","1") = "9"
    & skf18("3","10","5","10","8","6","1") = "9"
    & skf18("3","10","5","10","8","7","1") = "9"
    & skf18("3","10","5","10","8","8","1") = "9"
    & skf18("3","10","5","10","8","9","1") = "9"
    & skf18("3","10","5","10","8","10","1") = "9"
    & skf18("3","10","5","10","9","1","1") = "9"
    & skf18("3","10","5","10","9","2","1") = "9"
    & skf18("3","10","5","10","9","3","1") = "9"
    & skf18("3","10","5","10","9","4","1") = "9"
    & skf18("3","10","5","10","9","5","1") = "9"
    & skf18("3","10","5","10","9","6","1") = "9"
    & skf18("3","10","5","10","9","7","1") = "9"
    & skf18("3","10","5","10","9","8","1") = "9"
    & skf18("3","10","5","10","9","9","1") = "9"
    & skf18("3","10","5","10","9","10","1") = "9"
    & skf18("3","10","5","10","10","1","1") = "9"
    & skf18("3","10","5","10","10","2","1") = "9"
    & skf18("3","10","5","10","10","3","1") = "9"
    & skf18("3","10","5","10","10","4","1") = "9"
    & skf18("3","10","5","10","10","5","1") = "9"
    & skf18("3","10","5","10","10","6","1") = "9"
    & skf18("3","10","5","10","10","7","1") = "9"
    & skf18("3","10","5","10","10","8","1") = "9"
    & skf18("3","10","5","10","10","9","1") = "9"
    & skf18("3","10","5","10","10","10","1") = "9"
    & skf18("3","10","6","1","1","1","1") = "9"
    & skf18("3","10","6","1","1","2","1") = "9"
    & skf18("3","10","6","1","1","3","1") = "9"
    & skf18("3","10","6","1","1","4","1") = "9"
    & skf18("3","10","6","1","1","5","1") = "9"
    & skf18("3","10","6","1","1","6","1") = "9"
    & skf18("3","10","6","1","1","7","1") = "9"
    & skf18("3","10","6","1","1","8","1") = "9"
    & skf18("3","10","6","1","1","9","1") = "9"
    & skf18("3","10","6","1","1","10","1") = "9"
    & skf18("3","10","6","1","2","1","1") = "9"
    & skf18("3","10","6","1","2","2","1") = "9"
    & skf18("3","10","6","1","2","3","1") = "9"
    & skf18("3","10","6","1","2","4","1") = "9"
    & skf18("3","10","6","1","2","5","1") = "9"
    & skf18("3","10","6","1","2","6","1") = "9"
    & skf18("3","10","6","1","2","7","1") = "9"
    & skf18("3","10","6","1","2","8","1") = "9"
    & skf18("3","10","6","1","2","9","1") = "9"
    & skf18("3","10","6","1","2","10","1") = "9"
    & skf18("3","10","6","1","3","1","1") = "9"
    & skf18("3","10","6","1","3","2","1") = "9"
    & skf18("3","10","6","1","3","3","1") = "9"
    & skf18("3","10","6","1","3","4","1") = "9"
    & skf18("3","10","6","1","3","5","1") = "9"
    & skf18("3","10","6","1","3","6","1") = "9"
    & skf18("3","10","6","1","3","7","1") = "9"
    & skf18("3","10","6","1","3","8","1") = "9"
    & skf18("3","10","6","1","3","9","1") = "9"
    & skf18("3","10","6","1","3","10","1") = "9"
    & skf18("3","10","6","1","4","1","1") = "9"
    & skf18("3","10","6","1","4","2","1") = "9"
    & skf18("3","10","6","1","4","3","1") = "9"
    & skf18("3","10","6","1","4","4","1") = "9"
    & skf18("3","10","6","1","4","5","1") = "9"
    & skf18("3","10","6","1","4","6","1") = "9"
    & skf18("3","10","6","1","4","7","1") = "9"
    & skf18("3","10","6","1","4","8","1") = "9"
    & skf18("3","10","6","1","4","9","1") = "9"
    & skf18("3","10","6","1","4","10","1") = "9"
    & skf18("3","10","6","1","5","1","1") = "9"
    & skf18("3","10","6","1","5","2","1") = "9"
    & skf18("3","10","6","1","5","3","1") = "9"
    & skf18("3","10","6","1","5","4","1") = "9"
    & skf18("3","10","6","1","5","5","1") = "9"
    & skf18("3","10","6","1","5","6","1") = "9"
    & skf18("3","10","6","1","5","7","1") = "9"
    & skf18("3","10","6","1","5","8","1") = "9"
    & skf18("3","10","6","1","5","9","1") = "9"
    & skf18("3","10","6","1","5","10","1") = "9"
    & skf18("3","10","6","1","6","1","1") = "9"
    & skf18("3","10","6","1","6","2","1") = "9"
    & skf18("3","10","6","1","6","3","1") = "9"
    & skf18("3","10","6","1","6","4","1") = "9"
    & skf18("3","10","6","1","6","5","1") = "9"
    & skf18("3","10","6","1","6","6","1") = "9"
    & skf18("3","10","6","1","6","7","1") = "9"
    & skf18("3","10","6","1","6","8","1") = "9"
    & skf18("3","10","6","1","6","9","1") = "9"
    & skf18("3","10","6","1","6","10","1") = "9"
    & skf18("3","10","6","1","7","1","1") = "9"
    & skf18("3","10","6","1","7","2","1") = "9"
    & skf18("3","10","6","1","7","3","1") = "9"
    & skf18("3","10","6","1","7","4","1") = "9"
    & skf18("3","10","6","1","7","5","1") = "9"
    & skf18("3","10","6","1","7","6","1") = "9"
    & skf18("3","10","6","1","7","7","1") = "9"
    & skf18("3","10","6","1","7","8","1") = "9"
    & skf18("3","10","6","1","7","9","1") = "9"
    & skf18("3","10","6","1","7","10","1") = "9"
    & skf18("3","10","6","1","8","1","1") = "9"
    & skf18("3","10","6","1","8","2","1") = "9"
    & skf18("3","10","6","1","8","3","1") = "9"
    & skf18("3","10","6","1","8","4","1") = "9"
    & skf18("3","10","6","1","8","5","1") = "9"
    & skf18("3","10","6","1","8","6","1") = "9"
    & skf18("3","10","6","1","8","7","1") = "9"
    & skf18("3","10","6","1","8","8","1") = "9"
    & skf18("3","10","6","1","8","9","1") = "9"
    & skf18("3","10","6","1","8","10","1") = "9"
    & skf18("3","10","6","1","9","1","1") = "9"
    & skf18("3","10","6","1","9","2","1") = "9"
    & skf18("3","10","6","1","9","3","1") = "9"
    & skf18("3","10","6","1","9","4","1") = "9"
    & skf18("3","10","6","1","9","5","1") = "9"
    & skf18("3","10","6","1","9","6","1") = "9"
    & skf18("3","10","6","1","9","7","1") = "9"
    & skf18("3","10","6","1","9","8","1") = "9"
    & skf18("3","10","6","1","9","9","1") = "9"
    & skf18("3","10","6","1","9","10","1") = "9"
    & skf18("3","10","6","1","10","1","1") = "9"
    & skf18("3","10","6","1","10","2","1") = "9"
    & skf18("3","10","6","1","10","3","1") = "9"
    & skf18("3","10","6","1","10","4","1") = "9"
    & skf18("3","10","6","1","10","5","1") = "9"
    & skf18("3","10","6","1","10","6","1") = "9"
    & skf18("3","10","6","1","10","7","1") = "9"
    & skf18("3","10","6","1","10","8","1") = "9"
    & skf18("3","10","6","1","10","9","1") = "9"
    & skf18("3","10","6","1","10","10","1") = "9"
    & skf18("3","10","6","2","1","1","1") = "9"
    & skf18("3","10","6","2","1","2","1") = "9"
    & skf18("3","10","6","2","1","3","1") = "9"
    & skf18("3","10","6","2","1","4","1") = "9"
    & skf18("3","10","6","2","1","5","1") = "9"
    & skf18("3","10","6","2","1","6","1") = "9"
    & skf18("3","10","6","2","1","7","1") = "9"
    & skf18("3","10","6","2","1","8","1") = "9"
    & skf18("3","10","6","2","1","9","1") = "9"
    & skf18("3","10","6","2","1","10","1") = "9"
    & skf18("3","10","6","2","2","1","1") = "9"
    & skf18("3","10","6","2","2","2","1") = "9"
    & skf18("3","10","6","2","2","3","1") = "9"
    & skf18("3","10","6","2","2","4","1") = "9"
    & skf18("3","10","6","2","2","5","1") = "9"
    & skf18("3","10","6","2","2","6","1") = "9"
    & skf18("3","10","6","2","2","7","1") = "9"
    & skf18("3","10","6","2","2","8","1") = "9"
    & skf18("3","10","6","2","2","9","1") = "9"
    & skf18("3","10","6","2","2","10","1") = "9"
    & skf18("3","10","6","2","3","1","1") = "9"
    & skf18("3","10","6","2","3","2","1") = "9"
    & skf18("3","10","6","2","3","3","1") = "9"
    & skf18("3","10","6","2","3","4","1") = "9"
    & skf18("3","10","6","2","3","5","1") = "9"
    & skf18("3","10","6","2","3","6","1") = "9"
    & skf18("3","10","6","2","3","7","1") = "9"
    & skf18("3","10","6","2","3","8","1") = "9"
    & skf18("3","10","6","2","3","9","1") = "9"
    & skf18("3","10","6","2","3","10","1") = "9"
    & skf18("3","10","6","2","4","1","1") = "9"
    & skf18("3","10","6","2","4","2","1") = "9"
    & skf18("3","10","6","2","4","3","1") = "9"
    & skf18("3","10","6","2","4","4","1") = "9"
    & skf18("3","10","6","2","4","5","1") = "9"
    & skf18("3","10","6","2","4","6","1") = "9"
    & skf18("3","10","6","2","4","7","1") = "9"
    & skf18("3","10","6","2","4","8","1") = "9"
    & skf18("3","10","6","2","4","9","1") = "9"
    & skf18("3","10","6","2","4","10","1") = "9"
    & skf18("3","10","6","2","5","1","1") = "9"
    & skf18("3","10","6","2","5","2","1") = "9"
    & skf18("3","10","6","2","5","3","1") = "9"
    & skf18("3","10","6","2","5","4","1") = "9"
    & skf18("3","10","6","2","5","5","1") = "9"
    & skf18("3","10","6","2","5","6","1") = "9"
    & skf18("3","10","6","2","5","7","1") = "9"
    & skf18("3","10","6","2","5","8","1") = "9"
    & skf18("3","10","6","2","5","9","1") = "9"
    & skf18("3","10","6","2","5","10","1") = "9"
    & skf18("3","10","6","2","6","1","1") = "9"
    & skf18("3","10","6","2","6","2","1") = "9"
    & skf18("3","10","6","2","6","3","1") = "9"
    & skf18("3","10","6","2","6","4","1") = "9"
    & skf18("3","10","6","2","6","5","1") = "9"
    & skf18("3","10","6","2","6","6","1") = "9"
    & skf18("3","10","6","2","6","7","1") = "9"
    & skf18("3","10","6","2","6","8","1") = "9"
    & skf18("3","10","6","2","6","9","1") = "9"
    & skf18("3","10","6","2","6","10","1") = "9"
    & skf18("3","10","6","2","7","1","1") = "9"
    & skf18("3","10","6","2","7","2","1") = "9"
    & skf18("3","10","6","2","7","3","1") = "9"
    & skf18("3","10","6","2","7","4","1") = "9"
    & skf18("3","10","6","2","7","5","1") = "9"
    & skf18("3","10","6","2","7","6","1") = "9"
    & skf18("3","10","6","2","7","7","1") = "9"
    & skf18("3","10","6","2","7","8","1") = "9"
    & skf18("3","10","6","2","7","9","1") = "9"
    & skf18("3","10","6","2","7","10","1") = "9"
    & skf18("3","10","6","2","8","1","1") = "9"
    & skf18("3","10","6","2","8","2","1") = "9"
    & skf18("3","10","6","2","8","3","1") = "9"
    & skf18("3","10","6","2","8","4","1") = "9"
    & skf18("3","10","6","2","8","5","1") = "9"
    & skf18("3","10","6","2","8","6","1") = "9"
    & skf18("3","10","6","2","8","7","1") = "9"
    & skf18("3","10","6","2","8","8","1") = "9"
    & skf18("3","10","6","2","8","9","1") = "9"
    & skf18("3","10","6","2","8","10","1") = "9"
    & skf18("3","10","6","2","9","1","1") = "9"
    & skf18("3","10","6","2","9","2","1") = "9"
    & skf18("3","10","6","2","9","3","1") = "9"
    & skf18("3","10","6","2","9","4","1") = "9"
    & skf18("3","10","6","2","9","5","1") = "9"
    & skf18("3","10","6","2","9","6","1") = "9"
    & skf18("3","10","6","2","9","7","1") = "9"
    & skf18("3","10","6","2","9","8","1") = "9"
    & skf18("3","10","6","2","9","9","1") = "9"
    & skf18("3","10","6","2","9","10","1") = "9"
    & skf18("3","10","6","2","10","1","1") = "9"
    & skf18("3","10","6","2","10","2","1") = "9"
    & skf18("3","10","6","2","10","3","1") = "9"
    & skf18("3","10","6","2","10","4","1") = "9"
    & skf18("3","10","6","2","10","5","1") = "9"
    & skf18("3","10","6","2","10","6","1") = "9"
    & skf18("3","10","6","2","10","7","1") = "9"
    & skf18("3","10","6","2","10","8","1") = "9"
    & skf18("3","10","6","2","10","9","1") = "9"
    & skf18("3","10","6","2","10","10","1") = "9"
    & skf18("3","10","6","3","1","1","1") = "9"
    & skf18("3","10","6","3","1","2","1") = "9"
    & skf18("3","10","6","3","1","3","1") = "9"
    & skf18("3","10","6","3","1","4","1") = "9"
    & skf18("3","10","6","3","1","5","1") = "9"
    & skf18("3","10","6","3","1","6","1") = "9"
    & skf18("3","10","6","3","1","7","1") = "9"
    & skf18("3","10","6","3","1","8","1") = "9"
    & skf18("3","10","6","3","1","9","1") = "9"
    & skf18("3","10","6","3","1","10","1") = "9"
    & skf18("3","10","6","3","2","1","1") = "9"
    & skf18("3","10","6","3","2","2","1") = "9"
    & skf18("3","10","6","3","2","3","1") = "9"
    & skf18("3","10","6","3","2","4","1") = "9"
    & skf18("3","10","6","3","2","5","1") = "9"
    & skf18("3","10","6","3","2","6","1") = "9"
    & skf18("3","10","6","3","2","7","1") = "9"
    & skf18("3","10","6","3","2","8","1") = "9"
    & skf18("3","10","6","3","2","9","1") = "9"
    & skf18("3","10","6","3","2","10","1") = "9"
    & skf18("3","10","6","3","3","1","1") = "9"
    & skf18("3","10","6","3","3","2","1") = "9"
    & skf18("3","10","6","3","3","3","1") = "9"
    & skf18("3","10","6","3","3","4","1") = "9"
    & skf18("3","10","6","3","3","5","1") = "9"
    & skf18("3","10","6","3","3","6","1") = "9"
    & skf18("3","10","6","3","3","7","1") = "9"
    & skf18("3","10","6","3","3","8","1") = "9"
    & skf18("3","10","6","3","3","9","1") = "9"
    & skf18("3","10","6","3","3","10","1") = "9"
    & skf18("3","10","6","3","4","1","1") = "9"
    & skf18("3","10","6","3","4","2","1") = "9"
    & skf18("3","10","6","3","4","3","1") = "9"
    & skf18("3","10","6","3","4","4","1") = "9"
    & skf18("3","10","6","3","4","5","1") = "9"
    & skf18("3","10","6","3","4","6","1") = "9"
    & skf18("3","10","6","3","4","7","1") = "9"
    & skf18("3","10","6","3","4","8","1") = "9"
    & skf18("3","10","6","3","4","9","1") = "9"
    & skf18("3","10","6","3","4","10","1") = "9"
    & skf18("3","10","6","3","5","1","1") = "9"
    & skf18("3","10","6","3","5","2","1") = "9"
    & skf18("3","10","6","3","5","3","1") = "9"
    & skf18("3","10","6","3","5","4","1") = "9"
    & skf18("3","10","6","3","5","5","1") = "9"
    & skf18("3","10","6","3","5","6","1") = "9"
    & skf18("3","10","6","3","5","7","1") = "9"
    & skf18("3","10","6","3","5","8","1") = "9"
    & skf18("3","10","6","3","5","9","1") = "9"
    & skf18("3","10","6","3","5","10","1") = "9"
    & skf18("3","10","6","3","6","1","1") = "9"
    & skf18("3","10","6","3","6","2","1") = "9"
    & skf18("3","10","6","3","6","3","1") = "9"
    & skf18("3","10","6","3","6","4","1") = "9"
    & skf18("3","10","6","3","6","5","1") = "9"
    & skf18("3","10","6","3","6","6","1") = "9"
    & skf18("3","10","6","3","6","7","1") = "9"
    & skf18("3","10","6","3","6","8","1") = "9"
    & skf18("3","10","6","3","6","9","1") = "9"
    & skf18("3","10","6","3","6","10","1") = "9"
    & skf18("3","10","6","3","7","1","1") = "9"
    & skf18("3","10","6","3","7","2","1") = "9"
    & skf18("3","10","6","3","7","3","1") = "9"
    & skf18("3","10","6","3","7","4","1") = "9"
    & skf18("3","10","6","3","7","5","1") = "9"
    & skf18("3","10","6","3","7","6","1") = "9"
    & skf18("3","10","6","3","7","7","1") = "9"
    & skf18("3","10","6","3","7","8","1") = "9"
    & skf18("3","10","6","3","7","9","1") = "9"
    & skf18("3","10","6","3","7","10","1") = "9"
    & skf18("3","10","6","3","8","1","1") = "9"
    & skf18("3","10","6","3","8","2","1") = "9"
    & skf18("3","10","6","3","8","3","1") = "9"
    & skf18("3","10","6","3","8","4","1") = "9"
    & skf18("3","10","6","3","8","5","1") = "9"
    & skf18("3","10","6","3","8","6","1") = "9"
    & skf18("3","10","6","3","8","7","1") = "9"
    & skf18("3","10","6","3","8","8","1") = "9"
    & skf18("3","10","6","3","8","9","1") = "9"
    & skf18("3","10","6","3","8","10","1") = "9"
    & skf18("3","10","6","3","9","1","1") = "9"
    & skf18("3","10","6","3","9","2","1") = "9"
    & skf18("3","10","6","3","9","3","1") = "9"
    & skf18("3","10","6","3","9","4","1") = "9"
    & skf18("3","10","6","3","9","5","1") = "9"
    & skf18("3","10","6","3","9","6","1") = "9"
    & skf18("3","10","6","3","9","7","1") = "9"
    & skf18("3","10","6","3","9","8","1") = "9"
    & skf18("3","10","6","3","9","9","1") = "9"
    & skf18("3","10","6","3","9","10","1") = "9"
    & skf18("3","10","6","3","10","1","1") = "9"
    & skf18("3","10","6","3","10","2","1") = "9"
    & skf18("3","10","6","3","10","3","1") = "9"
    & skf18("3","10","6","3","10","4","1") = "9"
    & skf18("3","10","6","3","10","5","1") = "9"
    & skf18("3","10","6","3","10","6","1") = "9"
    & skf18("3","10","6","3","10","7","1") = "9"
    & skf18("3","10","6","3","10","8","1") = "9"
    & skf18("3","10","6","3","10","9","1") = "9"
    & skf18("3","10","6","3","10","10","1") = "9"
    & skf18("3","10","6","4","1","1","1") = "9"
    & skf18("3","10","6","4","1","2","1") = "9"
    & skf18("3","10","6","4","1","3","1") = "9"
    & skf18("3","10","6","4","1","4","1") = "9"
    & skf18("3","10","6","4","1","5","1") = "9"
    & skf18("3","10","6","4","1","6","1") = "9"
    & skf18("3","10","6","4","1","7","1") = "9"
    & skf18("3","10","6","4","1","8","1") = "9"
    & skf18("3","10","6","4","1","9","1") = "9"
    & skf18("3","10","6","4","1","10","1") = "9"
    & skf18("3","10","6","4","2","1","1") = "9"
    & skf18("3","10","6","4","2","2","1") = "9"
    & skf18("3","10","6","4","2","3","1") = "9"
    & skf18("3","10","6","4","2","4","1") = "9"
    & skf18("3","10","6","4","2","5","1") = "9"
    & skf18("3","10","6","4","2","6","1") = "9"
    & skf18("3","10","6","4","2","7","1") = "9"
    & skf18("3","10","6","4","2","8","1") = "9"
    & skf18("3","10","6","4","2","9","1") = "9"
    & skf18("3","10","6","4","2","10","1") = "9"
    & skf18("3","10","6","4","3","1","1") = "9"
    & skf18("3","10","6","4","3","2","1") = "9"
    & skf18("3","10","6","4","3","3","1") = "9"
    & skf18("3","10","6","4","3","4","1") = "9"
    & skf18("3","10","6","4","3","5","1") = "9"
    & skf18("3","10","6","4","3","6","1") = "9"
    & skf18("3","10","6","4","3","7","1") = "9"
    & skf18("3","10","6","4","3","8","1") = "9"
    & skf18("3","10","6","4","3","9","1") = "9"
    & skf18("3","10","6","4","3","10","1") = "9"
    & skf18("3","10","6","4","4","1","1") = "9"
    & skf18("3","10","6","4","4","2","1") = "9"
    & skf18("3","10","6","4","4","3","1") = "9"
    & skf18("3","10","6","4","4","4","1") = "9"
    & skf18("3","10","6","4","4","5","1") = "9"
    & skf18("3","10","6","4","4","6","1") = "9"
    & skf18("3","10","6","4","4","7","1") = "9"
    & skf18("3","10","6","4","4","8","1") = "9"
    & skf18("3","10","6","4","4","9","1") = "9"
    & skf18("3","10","6","4","4","10","1") = "9"
    & skf18("3","10","6","4","5","1","1") = "9"
    & skf18("3","10","6","4","5","2","1") = "9"
    & skf18("3","10","6","4","5","3","1") = "9"
    & skf18("3","10","6","4","5","4","1") = "9"
    & skf18("3","10","6","4","5","5","1") = "9"
    & skf18("3","10","6","4","5","6","1") = "9"
    & skf18("3","10","6","4","5","7","1") = "9"
    & skf18("3","10","6","4","5","8","1") = "9"
    & skf18("3","10","6","4","5","9","1") = "9"
    & skf18("3","10","6","4","5","10","1") = "9"
    & skf18("3","10","6","4","6","1","1") = "9"
    & skf18("3","10","6","4","6","2","1") = "9"
    & skf18("3","10","6","4","6","3","1") = "9"
    & skf18("3","10","6","4","6","4","1") = "9"
    & skf18("3","10","6","4","6","5","1") = "9"
    & skf18("3","10","6","4","6","6","1") = "9"
    & skf18("3","10","6","4","6","7","1") = "9"
    & skf18("3","10","6","4","6","8","1") = "9"
    & skf18("3","10","6","4","6","9","1") = "9"
    & skf18("3","10","6","4","6","10","1") = "9"
    & skf18("3","10","6","4","7","1","1") = "9"
    & skf18("3","10","6","4","7","2","1") = "9"
    & skf18("3","10","6","4","7","3","1") = "9"
    & skf18("3","10","6","4","7","4","1") = "9"
    & skf18("3","10","6","4","7","5","1") = "9"
    & skf18("3","10","6","4","7","6","1") = "9"
    & skf18("3","10","6","4","7","7","1") = "9"
    & skf18("3","10","6","4","7","8","1") = "9"
    & skf18("3","10","6","4","7","9","1") = "9"
    & skf18("3","10","6","4","7","10","1") = "9"
    & skf18("3","10","6","4","8","1","1") = "9"
    & skf18("3","10","6","4","8","2","1") = "9"
    & skf18("3","10","6","4","8","3","1") = "9"
    & skf18("3","10","6","4","8","4","1") = "9"
    & skf18("3","10","6","4","8","5","1") = "9"
    & skf18("3","10","6","4","8","6","1") = "9"
    & skf18("3","10","6","4","8","7","1") = "9"
    & skf18("3","10","6","4","8","8","1") = "9"
    & skf18("3","10","6","4","8","9","1") = "9"
    & skf18("3","10","6","4","8","10","1") = "9"
    & skf18("3","10","6","4","9","1","1") = "9"
    & skf18("3","10","6","4","9","2","1") = "9"
    & skf18("3","10","6","4","9","3","1") = "9"
    & skf18("3","10","6","4","9","4","1") = "9"
    & skf18("3","10","6","4","9","5","1") = "9"
    & skf18("3","10","6","4","9","6","1") = "9"
    & skf18("3","10","6","4","9","7","1") = "9"
    & skf18("3","10","6","4","9","8","1") = "9"
    & skf18("3","10","6","4","9","9","1") = "9"
    & skf18("3","10","6","4","9","10","1") = "9"
    & skf18("3","10","6","4","10","1","1") = "9"
    & skf18("3","10","6","4","10","2","1") = "9"
    & skf18("3","10","6","4","10","3","1") = "9"
    & skf18("3","10","6","4","10","4","1") = "9"
    & skf18("3","10","6","4","10","5","1") = "9"
    & skf18("3","10","6","4","10","6","1") = "9"
    & skf18("3","10","6","4","10","7","1") = "9"
    & skf18("3","10","6","4","10","8","1") = "9"
    & skf18("3","10","6","4","10","9","1") = "9"
    & skf18("3","10","6","4","10","10","1") = "9"
    & skf18("3","10","6","5","1","1","1") = "9"
    & skf18("3","10","6","5","1","2","1") = "9"
    & skf18("3","10","6","5","1","3","1") = "9"
    & skf18("3","10","6","5","1","4","1") = "9"
    & skf18("3","10","6","5","1","5","1") = "9"
    & skf18("3","10","6","5","1","6","1") = "9"
    & skf18("3","10","6","5","1","7","1") = "9"
    & skf18("3","10","6","5","1","8","1") = "9"
    & skf18("3","10","6","5","1","9","1") = "9"
    & skf18("3","10","6","5","1","10","1") = "9"
    & skf18("3","10","6","5","2","1","1") = "9"
    & skf18("3","10","6","5","2","2","1") = "9"
    & skf18("3","10","6","5","2","3","1") = "9"
    & skf18("3","10","6","5","2","4","1") = "9"
    & skf18("3","10","6","5","2","5","1") = "9"
    & skf18("3","10","6","5","2","6","1") = "9"
    & skf18("3","10","6","5","2","7","1") = "9"
    & skf18("3","10","6","5","2","8","1") = "9"
    & skf18("3","10","6","5","2","9","1") = "9"
    & skf18("3","10","6","5","2","10","1") = "9"
    & skf18("3","10","6","5","3","1","1") = "9"
    & skf18("3","10","6","5","3","2","1") = "9"
    & skf18("3","10","6","5","3","3","1") = "9"
    & skf18("3","10","6","5","3","4","1") = "9"
    & skf18("3","10","6","5","3","5","1") = "9"
    & skf18("3","10","6","5","3","6","1") = "9"
    & skf18("3","10","6","5","3","7","1") = "9"
    & skf18("3","10","6","5","3","8","1") = "9"
    & skf18("3","10","6","5","3","9","1") = "9"
    & skf18("3","10","6","5","3","10","1") = "9"
    & skf18("3","10","6","5","4","1","1") = "9"
    & skf18("3","10","6","5","4","2","1") = "9"
    & skf18("3","10","6","5","4","3","1") = "9"
    & skf18("3","10","6","5","4","4","1") = "9"
    & skf18("3","10","6","5","4","5","1") = "9"
    & skf18("3","10","6","5","4","6","1") = "9"
    & skf18("3","10","6","5","4","7","1") = "9"
    & skf18("3","10","6","5","4","8","1") = "9"
    & skf18("3","10","6","5","4","9","1") = "9"
    & skf18("3","10","6","5","4","10","1") = "9"
    & skf18("3","10","6","5","5","1","1") = "9"
    & skf18("3","10","6","5","5","2","1") = "9"
    & skf18("3","10","6","5","5","3","1") = "9"
    & skf18("3","10","6","5","5","4","1") = "9"
    & skf18("3","10","6","5","5","5","1") = "9"
    & skf18("3","10","6","5","5","6","1") = "9"
    & skf18("3","10","6","5","5","7","1") = "9"
    & skf18("3","10","6","5","5","8","1") = "9"
    & skf18("3","10","6","5","5","9","1") = "9"
    & skf18("3","10","6","5","5","10","1") = "9"
    & skf18("3","10","6","5","6","1","1") = "9"
    & skf18("3","10","6","5","6","2","1") = "9"
    & skf18("3","10","6","5","6","3","1") = "9"
    & skf18("3","10","6","5","6","4","1") = "9"
    & skf18("3","10","6","5","6","5","1") = "9"
    & skf18("3","10","6","5","6","6","1") = "9"
    & skf18("3","10","6","5","6","7","1") = "9"
    & skf18("3","10","6","5","6","8","1") = "9"
    & skf18("3","10","6","5","6","9","1") = "9"
    & skf18("3","10","6","5","6","10","1") = "9"
    & skf18("3","10","6","5","7","1","1") = "9"
    & skf18("3","10","6","5","7","2","1") = "9"
    & skf18("3","10","6","5","7","3","1") = "9"
    & skf18("3","10","6","5","7","4","1") = "9"
    & skf18("3","10","6","5","7","5","1") = "9"
    & skf18("3","10","6","5","7","6","1") = "9"
    & skf18("3","10","6","5","7","7","1") = "9"
    & skf18("3","10","6","5","7","8","1") = "9"
    & skf18("3","10","6","5","7","9","1") = "9"
    & skf18("3","10","6","5","7","10","1") = "9"
    & skf18("3","10","6","5","8","1","1") = "9"
    & skf18("3","10","6","5","8","2","1") = "9"
    & skf18("3","10","6","5","8","3","1") = "9"
    & skf18("3","10","6","5","8","4","1") = "9"
    & skf18("3","10","6","5","8","5","1") = "9"
    & skf18("3","10","6","5","8","6","1") = "9"
    & skf18("3","10","6","5","8","7","1") = "9"
    & skf18("3","10","6","5","8","8","1") = "9"
    & skf18("3","10","6","5","8","9","1") = "9"
    & skf18("3","10","6","5","8","10","1") = "9"
    & skf18("3","10","6","5","9","1","1") = "9"
    & skf18("3","10","6","5","9","2","1") = "9"
    & skf18("3","10","6","5","9","3","1") = "9"
    & skf18("3","10","6","5","9","4","1") = "9"
    & skf18("3","10","6","5","9","5","1") = "9"
    & skf18("3","10","6","5","9","6","1") = "9"
    & skf18("3","10","6","5","9","7","1") = "9"
    & skf18("3","10","6","5","9","8","1") = "9"
    & skf18("3","10","6","5","9","9","1") = "9"
    & skf18("3","10","6","5","9","10","1") = "9"
    & skf18("3","10","6","5","10","1","1") = "9"
    & skf18("3","10","6","5","10","2","1") = "9"
    & skf18("3","10","6","5","10","3","1") = "9"
    & skf18("3","10","6","5","10","4","1") = "9"
    & skf18("3","10","6","5","10","5","1") = "9"
    & skf18("3","10","6","5","10","6","1") = "9"
    & skf18("3","10","6","5","10","7","1") = "9"
    & skf18("3","10","6","5","10","8","1") = "9"
    & skf18("3","10","6","5","10","9","1") = "9"
    & skf18("3","10","6","5","10","10","1") = "9"
    & skf18("3","10","6","6","1","1","1") = "9"
    & skf18("3","10","6","6","1","2","1") = "9"
    & skf18("3","10","6","6","1","3","1") = "9"
    & skf18("3","10","6","6","1","4","1") = "9"
    & skf18("3","10","6","6","1","5","1") = "9"
    & skf18("3","10","6","6","1","6","1") = "9"
    & skf18("3","10","6","6","1","7","1") = "9"
    & skf18("3","10","6","6","1","8","1") = "9"
    & skf18("3","10","6","6","1","9","1") = "9"
    & skf18("3","10","6","6","1","10","1") = "9"
    & skf18("3","10","6","6","2","1","1") = "9"
    & skf18("3","10","6","6","2","2","1") = "9"
    & skf18("3","10","6","6","2","3","1") = "9"
    & skf18("3","10","6","6","2","4","1") = "9"
    & skf18("3","10","6","6","2","5","1") = "9"
    & skf18("3","10","6","6","2","6","1") = "9"
    & skf18("3","10","6","6","2","7","1") = "9"
    & skf18("3","10","6","6","2","8","1") = "9"
    & skf18("3","10","6","6","2","9","1") = "9"
    & skf18("3","10","6","6","2","10","1") = "9"
    & skf18("3","10","6","6","3","1","1") = "9"
    & skf18("3","10","6","6","3","2","1") = "9"
    & skf18("3","10","6","6","3","3","1") = "9"
    & skf18("3","10","6","6","3","4","1") = "9"
    & skf18("3","10","6","6","3","5","1") = "9"
    & skf18("3","10","6","6","3","6","1") = "9"
    & skf18("3","10","6","6","3","7","1") = "9"
    & skf18("3","10","6","6","3","8","1") = "9"
    & skf18("3","10","6","6","3","9","1") = "9"
    & skf18("3","10","6","6","3","10","1") = "9"
    & skf18("3","10","6","6","4","1","1") = "9"
    & skf18("3","10","6","6","4","2","1") = "9"
    & skf18("3","10","6","6","4","3","1") = "9"
    & skf18("3","10","6","6","4","4","1") = "9"
    & skf18("3","10","6","6","4","5","1") = "9"
    & skf18("3","10","6","6","4","6","1") = "9"
    & skf18("3","10","6","6","4","7","1") = "9"
    & skf18("3","10","6","6","4","8","1") = "9"
    & skf18("3","10","6","6","4","9","1") = "9"
    & skf18("3","10","6","6","4","10","1") = "9"
    & skf18("3","10","6","6","5","1","1") = "9"
    & skf18("3","10","6","6","5","2","1") = "9"
    & skf18("3","10","6","6","5","3","1") = "9"
    & skf18("3","10","6","6","5","4","1") = "9"
    & skf18("3","10","6","6","5","5","1") = "9"
    & skf18("3","10","6","6","5","6","1") = "9"
    & skf18("3","10","6","6","5","7","1") = "9"
    & skf18("3","10","6","6","5","8","1") = "9"
    & skf18("3","10","6","6","5","9","1") = "9"
    & skf18("3","10","6","6","5","10","1") = "9"
    & skf18("3","10","6","6","6","1","1") = "9"
    & skf18("3","10","6","6","6","2","1") = "9"
    & skf18("3","10","6","6","6","3","1") = "9"
    & skf18("3","10","6","6","6","4","1") = "9"
    & skf18("3","10","6","6","6","5","1") = "9"
    & skf18("3","10","6","6","6","6","1") = "9"
    & skf18("3","10","6","6","6","7","1") = "9"
    & skf18("3","10","6","6","6","8","1") = "9"
    & skf18("3","10","6","6","6","9","1") = "9"
    & skf18("3","10","6","6","6","10","1") = "9"
    & skf18("3","10","6","6","7","1","1") = "9"
    & skf18("3","10","6","6","7","2","1") = "9"
    & skf18("3","10","6","6","7","3","1") = "9"
    & skf18("3","10","6","6","7","4","1") = "9"
    & skf18("3","10","6","6","7","5","1") = "9"
    & skf18("3","10","6","6","7","6","1") = "9"
    & skf18("3","10","6","6","7","7","1") = "9"
    & skf18("3","10","6","6","7","8","1") = "9"
    & skf18("3","10","6","6","7","9","1") = "9"
    & skf18("3","10","6","6","7","10","1") = "9"
    & skf18("3","10","6","6","8","1","1") = "9"
    & skf18("3","10","6","6","8","2","1") = "9"
    & skf18("3","10","6","6","8","3","1") = "9"
    & skf18("3","10","6","6","8","4","1") = "9"
    & skf18("3","10","6","6","8","5","1") = "9"
    & skf18("3","10","6","6","8","6","1") = "9"
    & skf18("3","10","6","6","8","7","1") = "9"
    & skf18("3","10","6","6","8","8","1") = "9"
    & skf18("3","10","6","6","8","9","1") = "9"
    & skf18("3","10","6","6","8","10","1") = "9"
    & skf18("3","10","6","6","9","1","1") = "9"
    & skf18("3","10","6","6","9","2","1") = "9"
    & skf18("3","10","6","6","9","3","1") = "9"
    & skf18("3","10","6","6","9","4","1") = "9"
    & skf18("3","10","6","6","9","5","1") = "9"
    & skf18("3","10","6","6","9","6","1") = "9"
    & skf18("3","10","6","6","9","7","1") = "9"
    & skf18("3","10","6","6","9","8","1") = "9"
    & skf18("3","10","6","6","9","9","1") = "9"
    & skf18("3","10","6","6","9","10","1") = "9"
    & skf18("3","10","6","6","10","1","1") = "9"
    & skf18("3","10","6","6","10","2","1") = "9"
    & skf18("3","10","6","6","10","3","1") = "9"
    & skf18("3","10","6","6","10","4","1") = "9"
    & skf18("3","10","6","6","10","5","1") = "9"
    & skf18("3","10","6","6","10","6","1") = "9"
    & skf18("3","10","6","6","10","7","1") = "9"
    & skf18("3","10","6","6","10","8","1") = "9"
    & skf18("3","10","6","6","10","9","1") = "9"
    & skf18("3","10","6","6","10","10","1") = "9"
    & skf18("3","10","6","7","1","1","1") = "9"
    & skf18("3","10","6","7","1","2","1") = "9"
    & skf18("3","10","6","7","1","3","1") = "9"
    & skf18("3","10","6","7","1","4","1") = "9"
    & skf18("3","10","6","7","1","5","1") = "9"
    & skf18("3","10","6","7","1","6","1") = "9"
    & skf18("3","10","6","7","1","7","1") = "9"
    & skf18("3","10","6","7","1","8","1") = "9"
    & skf18("3","10","6","7","1","9","1") = "9"
    & skf18("3","10","6","7","1","10","1") = "9"
    & skf18("3","10","6","7","2","1","1") = "9"
    & skf18("3","10","6","7","2","2","1") = "9"
    & skf18("3","10","6","7","2","3","1") = "9"
    & skf18("3","10","6","7","2","4","1") = "9"
    & skf18("3","10","6","7","2","5","1") = "9"
    & skf18("3","10","6","7","2","6","1") = "9"
    & skf18("3","10","6","7","2","7","1") = "9"
    & skf18("3","10","6","7","2","8","1") = "9"
    & skf18("3","10","6","7","2","9","1") = "9"
    & skf18("3","10","6","7","2","10","1") = "9"
    & skf18("3","10","6","7","3","1","1") = "9"
    & skf18("3","10","6","7","3","2","1") = "9"
    & skf18("3","10","6","7","3","3","1") = "9"
    & skf18("3","10","6","7","3","4","1") = "9"
    & skf18("3","10","6","7","3","5","1") = "9"
    & skf18("3","10","6","7","3","6","1") = "9"
    & skf18("3","10","6","7","3","7","1") = "9"
    & skf18("3","10","6","7","3","8","1") = "9"
    & skf18("3","10","6","7","3","9","1") = "9"
    & skf18("3","10","6","7","3","10","1") = "9"
    & skf18("3","10","6","7","4","1","1") = "9"
    & skf18("3","10","6","7","4","2","1") = "9"
    & skf18("3","10","6","7","4","3","1") = "9"
    & skf18("3","10","6","7","4","4","1") = "9"
    & skf18("3","10","6","7","4","5","1") = "9"
    & skf18("3","10","6","7","4","6","1") = "9"
    & skf18("3","10","6","7","4","7","1") = "9"
    & skf18("3","10","6","7","4","8","1") = "9"
    & skf18("3","10","6","7","4","9","1") = "9"
    & skf18("3","10","6","7","4","10","1") = "9"
    & skf18("3","10","6","7","5","1","1") = "9"
    & skf18("3","10","6","7","5","2","1") = "9"
    & skf18("3","10","6","7","5","3","1") = "9"
    & skf18("3","10","6","7","5","4","1") = "9"
    & skf18("3","10","6","7","5","5","1") = "9"
    & skf18("3","10","6","7","5","6","1") = "9"
    & skf18("3","10","6","7","5","7","1") = "9"
    & skf18("3","10","6","7","5","8","1") = "9"
    & skf18("3","10","6","7","5","9","1") = "9"
    & skf18("3","10","6","7","5","10","1") = "9"
    & skf18("3","10","6","7","6","1","1") = "9"
    & skf18("3","10","6","7","6","2","1") = "9"
    & skf18("3","10","6","7","6","3","1") = "9"
    & skf18("3","10","6","7","6","4","1") = "9"
    & skf18("3","10","6","7","6","5","1") = "9"
    & skf18("3","10","6","7","6","6","1") = "9"
    & skf18("3","10","6","7","6","7","1") = "9"
    & skf18("3","10","6","7","6","8","1") = "9"
    & skf18("3","10","6","7","6","9","1") = "9"
    & skf18("3","10","6","7","6","10","1") = "9"
    & skf18("3","10","6","7","7","1","1") = "9"
    & skf18("3","10","6","7","7","2","1") = "9"
    & skf18("3","10","6","7","7","3","1") = "9"
    & skf18("3","10","6","7","7","4","1") = "9"
    & skf18("3","10","6","7","7","5","1") = "9"
    & skf18("3","10","6","7","7","6","1") = "9"
    & skf18("3","10","6","7","7","7","1") = "9"
    & skf18("3","10","6","7","7","8","1") = "9"
    & skf18("3","10","6","7","7","9","1") = "9"
    & skf18("3","10","6","7","7","10","1") = "9"
    & skf18("3","10","6","7","8","1","1") = "9"
    & skf18("3","10","6","7","8","2","1") = "9"
    & skf18("3","10","6","7","8","3","1") = "9"
    & skf18("3","10","6","7","8","4","1") = "9"
    & skf18("3","10","6","7","8","5","1") = "9"
    & skf18("3","10","6","7","8","6","1") = "9"
    & skf18("3","10","6","7","8","7","1") = "9"
    & skf18("3","10","6","7","8","8","1") = "9"
    & skf18("3","10","6","7","8","9","1") = "9"
    & skf18("3","10","6","7","8","10","1") = "9"
    & skf18("3","10","6","7","9","1","1") = "9"
    & skf18("3","10","6","7","9","2","1") = "9"
    & skf18("3","10","6","7","9","3","1") = "9"
    & skf18("3","10","6","7","9","4","1") = "9"
    & skf18("3","10","6","7","9","5","1") = "9"
    & skf18("3","10","6","7","9","6","1") = "9"
    & skf18("3","10","6","7","9","7","1") = "9"
    & skf18("3","10","6","7","9","8","1") = "9"
    & skf18("3","10","6","7","9","9","1") = "9"
    & skf18("3","10","6","7","9","10","1") = "9"
    & skf18("3","10","6","7","10","1","1") = "9"
    & skf18("3","10","6","7","10","2","1") = "9"
    & skf18("3","10","6","7","10","3","1") = "9"
    & skf18("3","10","6","7","10","4","1") = "9"
    & skf18("3","10","6","7","10","5","1") = "9"
    & skf18("3","10","6","7","10","6","1") = "9"
    & skf18("3","10","6","7","10","7","1") = "9"
    & skf18("3","10","6","7","10","8","1") = "9"
    & skf18("3","10","6","7","10","9","1") = "9"
    & skf18("3","10","6","7","10","10","1") = "9"
    & skf18("3","10","6","8","1","1","1") = "9"
    & skf18("3","10","6","8","1","2","1") = "9"
    & skf18("3","10","6","8","1","3","1") = "9"
    & skf18("3","10","6","8","1","4","1") = "9"
    & skf18("3","10","6","8","1","5","1") = "9"
    & skf18("3","10","6","8","1","6","1") = "9"
    & skf18("3","10","6","8","1","7","1") = "9"
    & skf18("3","10","6","8","1","8","1") = "9"
    & skf18("3","10","6","8","1","9","1") = "9"
    & skf18("3","10","6","8","1","10","1") = "9"
    & skf18("3","10","6","8","2","1","1") = "9"
    & skf18("3","10","6","8","2","2","1") = "9"
    & skf18("3","10","6","8","2","3","1") = "9"
    & skf18("3","10","6","8","2","4","1") = "9"
    & skf18("3","10","6","8","2","5","1") = "9"
    & skf18("3","10","6","8","2","6","1") = "9"
    & skf18("3","10","6","8","2","7","1") = "9"
    & skf18("3","10","6","8","2","8","1") = "9"
    & skf18("3","10","6","8","2","9","1") = "9"
    & skf18("3","10","6","8","2","10","1") = "9"
    & skf18("3","10","6","8","3","1","1") = "9"
    & skf18("3","10","6","8","3","2","1") = "9"
    & skf18("3","10","6","8","3","3","1") = "9"
    & skf18("3","10","6","8","3","4","1") = "9"
    & skf18("3","10","6","8","3","5","1") = "9"
    & skf18("3","10","6","8","3","6","1") = "9"
    & skf18("3","10","6","8","3","7","1") = "9"
    & skf18("3","10","6","8","3","8","1") = "9"
    & skf18("3","10","6","8","3","9","1") = "9"
    & skf18("3","10","6","8","3","10","1") = "9"
    & skf18("3","10","6","8","4","1","1") = "9"
    & skf18("3","10","6","8","4","2","1") = "9"
    & skf18("3","10","6","8","4","3","1") = "9"
    & skf18("3","10","6","8","4","4","1") = "9"
    & skf18("3","10","6","8","4","5","1") = "9"
    & skf18("3","10","6","8","4","6","1") = "9"
    & skf18("3","10","6","8","4","7","1") = "9"
    & skf18("3","10","6","8","4","8","1") = "9"
    & skf18("3","10","6","8","4","9","1") = "9"
    & skf18("3","10","6","8","4","10","1") = "9"
    & skf18("3","10","6","8","5","1","1") = "9"
    & skf18("3","10","6","8","5","2","1") = "9"
    & skf18("3","10","6","8","5","3","1") = "9"
    & skf18("3","10","6","8","5","4","1") = "9"
    & skf18("3","10","6","8","5","5","1") = "9"
    & skf18("3","10","6","8","5","6","1") = "9"
    & skf18("3","10","6","8","5","7","1") = "9"
    & skf18("3","10","6","8","5","8","1") = "9"
    & skf18("3","10","6","8","5","9","1") = "9"
    & skf18("3","10","6","8","5","10","1") = "9"
    & skf18("3","10","6","8","6","1","1") = "9"
    & skf18("3","10","6","8","6","2","1") = "9"
    & skf18("3","10","6","8","6","3","1") = "9"
    & skf18("3","10","6","8","6","4","1") = "9"
    & skf18("3","10","6","8","6","5","1") = "9"
    & skf18("3","10","6","8","6","6","1") = "9"
    & skf18("3","10","6","8","6","7","1") = "9"
    & skf18("3","10","6","8","6","8","1") = "9"
    & skf18("3","10","6","8","6","9","1") = "9"
    & skf18("3","10","6","8","6","10","1") = "9"
    & skf18("3","10","6","8","7","1","1") = "9"
    & skf18("3","10","6","8","7","2","1") = "9"
    & skf18("3","10","6","8","7","3","1") = "9"
    & skf18("3","10","6","8","7","4","1") = "9"
    & skf18("3","10","6","8","7","5","1") = "9"
    & skf18("3","10","6","8","7","6","1") = "9"
    & skf18("3","10","6","8","7","7","1") = "9"
    & skf18("3","10","6","8","7","8","1") = "9"
    & skf18("3","10","6","8","7","9","1") = "9"
    & skf18("3","10","6","8","7","10","1") = "9"
    & skf18("3","10","6","8","8","1","1") = "9"
    & skf18("3","10","6","8","8","2","1") = "9"
    & skf18("3","10","6","8","8","3","1") = "9"
    & skf18("3","10","6","8","8","4","1") = "9"
    & skf18("3","10","6","8","8","5","1") = "9"
    & skf18("3","10","6","8","8","6","1") = "9"
    & skf18("3","10","6","8","8","7","1") = "9"
    & skf18("3","10","6","8","8","8","1") = "9"
    & skf18("3","10","6","8","8","9","1") = "9"
    & skf18("3","10","6","8","8","10","1") = "9"
    & skf18("3","10","6","8","9","1","1") = "9"
    & skf18("3","10","6","8","9","2","1") = "9"
    & skf18("3","10","6","8","9","3","1") = "9"
    & skf18("3","10","6","8","9","4","1") = "9"
    & skf18("3","10","6","8","9","5","1") = "9"
    & skf18("3","10","6","8","9","6","1") = "9"
    & skf18("3","10","6","8","9","7","1") = "9"
    & skf18("3","10","6","8","9","8","1") = "9"
    & skf18("3","10","6","8","9","9","1") = "9"
    & skf18("3","10","6","8","9","10","1") = "9"
    & skf18("3","10","6","8","10","1","1") = "9"
    & skf18("3","10","6","8","10","2","1") = "9"
    & skf18("3","10","6","8","10","3","1") = "9"
    & skf18("3","10","6","8","10","4","1") = "9"
    & skf18("3","10","6","8","10","5","1") = "9"
    & skf18("3","10","6","8","10","6","1") = "9"
    & skf18("3","10","6","8","10","7","1") = "9"
    & skf18("3","10","6","8","10","8","1") = "9"
    & skf18("3","10","6","8","10","9","1") = "9"
    & skf18("3","10","6","8","10","10","1") = "9"
    & skf18("3","10","6","9","1","1","1") = "9"
    & skf18("3","10","6","9","1","2","1") = "9"
    & skf18("3","10","6","9","1","3","1") = "9"
    & skf18("3","10","6","9","1","4","1") = "9"
    & skf18("3","10","6","9","1","5","1") = "9"
    & skf18("3","10","6","9","1","6","1") = "9"
    & skf18("3","10","6","9","1","7","1") = "9"
    & skf18("3","10","6","9","1","8","1") = "9"
    & skf18("3","10","6","9","1","9","1") = "9"
    & skf18("3","10","6","9","1","10","1") = "9"
    & skf18("3","10","6","9","2","1","1") = "9"
    & skf18("3","10","6","9","2","2","1") = "9"
    & skf18("3","10","6","9","2","3","1") = "9"
    & skf18("3","10","6","9","2","4","1") = "9"
    & skf18("3","10","6","9","2","5","1") = "9"
    & skf18("3","10","6","9","2","6","1") = "9"
    & skf18("3","10","6","9","2","7","1") = "9"
    & skf18("3","10","6","9","2","8","1") = "9"
    & skf18("3","10","6","9","2","9","1") = "9"
    & skf18("3","10","6","9","2","10","1") = "9"
    & skf18("3","10","6","9","3","1","1") = "9"
    & skf18("3","10","6","9","3","2","1") = "9"
    & skf18("3","10","6","9","3","3","1") = "9"
    & skf18("3","10","6","9","3","4","1") = "9"
    & skf18("3","10","6","9","3","5","1") = "9"
    & skf18("3","10","6","9","3","6","1") = "9"
    & skf18("3","10","6","9","3","7","1") = "9"
    & skf18("3","10","6","9","3","8","1") = "9"
    & skf18("3","10","6","9","3","9","1") = "9"
    & skf18("3","10","6","9","3","10","1") = "9"
    & skf18("3","10","6","9","4","1","1") = "9"
    & skf18("3","10","6","9","4","2","1") = "9"
    & skf18("3","10","6","9","4","3","1") = "9"
    & skf18("3","10","6","9","4","4","1") = "9"
    & skf18("3","10","6","9","4","5","1") = "9"
    & skf18("3","10","6","9","4","6","1") = "9"
    & skf18("3","10","6","9","4","7","1") = "9"
    & skf18("3","10","6","9","4","8","1") = "9"
    & skf18("3","10","6","9","4","9","1") = "9"
    & skf18("3","10","6","9","4","10","1") = "9"
    & skf18("3","10","6","9","5","1","1") = "9"
    & skf18("3","10","6","9","5","2","1") = "9"
    & skf18("3","10","6","9","5","3","1") = "9"
    & skf18("3","10","6","9","5","4","1") = "9"
    & skf18("3","10","6","9","5","5","1") = "9"
    & skf18("3","10","6","9","5","6","1") = "9"
    & skf18("3","10","6","9","5","7","1") = "9"
    & skf18("3","10","6","9","5","8","1") = "9"
    & skf18("3","10","6","9","5","9","1") = "9"
    & skf18("3","10","6","9","5","10","1") = "9"
    & skf18("3","10","6","9","6","1","1") = "9"
    & skf18("3","10","6","9","6","2","1") = "9"
    & skf18("3","10","6","9","6","3","1") = "9"
    & skf18("3","10","6","9","6","4","1") = "9"
    & skf18("3","10","6","9","6","5","1") = "9"
    & skf18("3","10","6","9","6","6","1") = "9"
    & skf18("3","10","6","9","6","7","1") = "9"
    & skf18("3","10","6","9","6","8","1") = "9"
    & skf18("3","10","6","9","6","9","1") = "9"
    & skf18("3","10","6","9","6","10","1") = "9"
    & skf18("3","10","6","9","7","1","1") = "9"
    & skf18("3","10","6","9","7","2","1") = "9"
    & skf18("3","10","6","9","7","3","1") = "9"
    & skf18("3","10","6","9","7","4","1") = "9"
    & skf18("3","10","6","9","7","5","1") = "9"
    & skf18("3","10","6","9","7","6","1") = "9"
    & skf18("3","10","6","9","7","7","1") = "9"
    & skf18("3","10","6","9","7","8","1") = "9"
    & skf18("3","10","6","9","7","9","1") = "9"
    & skf18("3","10","6","9","7","10","1") = "9"
    & skf18("3","10","6","9","8","1","1") = "9"
    & skf18("3","10","6","9","8","2","1") = "9"
    & skf18("3","10","6","9","8","3","1") = "9"
    & skf18("3","10","6","9","8","4","1") = "9"
    & skf18("3","10","6","9","8","5","1") = "9"
    & skf18("3","10","6","9","8","6","1") = "9"
    & skf18("3","10","6","9","8","7","1") = "9"
    & skf18("3","10","6","9","8","8","1") = "9"
    & skf18("3","10","6","9","8","9","1") = "9"
    & skf18("3","10","6","9","8","10","1") = "9"
    & skf18("3","10","6","9","9","1","1") = "9"
    & skf18("3","10","6","9","9","2","1") = "9"
    & skf18("3","10","6","9","9","3","1") = "9"
    & skf18("3","10","6","9","9","4","1") = "9"
    & skf18("3","10","6","9","9","5","1") = "9"
    & skf18("3","10","6","9","9","6","1") = "9"
    & skf18("3","10","6","9","9","7","1") = "9"
    & skf18("3","10","6","9","9","8","1") = "9"
    & skf18("3","10","6","9","9","9","1") = "9"
    & skf18("3","10","6","9","9","10","1") = "9"
    & skf18("3","10","6","9","10","1","1") = "9"
    & skf18("3","10","6","9","10","2","1") = "9"
    & skf18("3","10","6","9","10","3","1") = "9"
    & skf18("3","10","6","9","10","4","1") = "9"
    & skf18("3","10","6","9","10","5","1") = "9"
    & skf18("3","10","6","9","10","6","1") = "9"
    & skf18("3","10","6","9","10","7","1") = "9"
    & skf18("3","10","6","9","10","8","1") = "9"
    & skf18("3","10","6","9","10","9","1") = "9"
    & skf18("3","10","6","9","10","10","1") = "9"
    & skf18("3","10","6","10","1","1","1") = "9"
    & skf18("3","10","6","10","1","2","1") = "9"
    & skf18("3","10","6","10","1","3","1") = "9"
    & skf18("3","10","6","10","1","4","1") = "9"
    & skf18("3","10","6","10","1","5","1") = "9"
    & skf18("3","10","6","10","1","6","1") = "9"
    & skf18("3","10","6","10","1","7","1") = "9"
    & skf18("3","10","6","10","1","8","1") = "9"
    & skf18("3","10","6","10","1","9","1") = "9"
    & skf18("3","10","6","10","1","10","1") = "9"
    & skf18("3","10","6","10","2","1","1") = "9"
    & skf18("3","10","6","10","2","2","1") = "9"
    & skf18("3","10","6","10","2","3","1") = "9"
    & skf18("3","10","6","10","2","4","1") = "9"
    & skf18("3","10","6","10","2","5","1") = "9"
    & skf18("3","10","6","10","2","6","1") = "9"
    & skf18("3","10","6","10","2","7","1") = "9"
    & skf18("3","10","6","10","2","8","1") = "9"
    & skf18("3","10","6","10","2","9","1") = "9"
    & skf18("3","10","6","10","2","10","1") = "9"
    & skf18("3","10","6","10","3","1","1") = "9"
    & skf18("3","10","6","10","3","2","1") = "9"
    & skf18("3","10","6","10","3","3","1") = "9"
    & skf18("3","10","6","10","3","4","1") = "9"
    & skf18("3","10","6","10","3","5","1") = "9"
    & skf18("3","10","6","10","3","6","1") = "9"
    & skf18("3","10","6","10","3","7","1") = "9"
    & skf18("3","10","6","10","3","8","1") = "9"
    & skf18("3","10","6","10","3","9","1") = "9"
    & skf18("3","10","6","10","3","10","1") = "9"
    & skf18("3","10","6","10","4","1","1") = "9"
    & skf18("3","10","6","10","4","2","1") = "9"
    & skf18("3","10","6","10","4","3","1") = "9"
    & skf18("3","10","6","10","4","4","1") = "9"
    & skf18("3","10","6","10","4","5","1") = "9"
    & skf18("3","10","6","10","4","6","1") = "9"
    & skf18("3","10","6","10","4","7","1") = "9"
    & skf18("3","10","6","10","4","8","1") = "9"
    & skf18("3","10","6","10","4","9","1") = "9"
    & skf18("3","10","6","10","4","10","1") = "9"
    & skf18("3","10","6","10","5","1","1") = "9"
    & skf18("3","10","6","10","5","2","1") = "9"
    & skf18("3","10","6","10","5","3","1") = "9"
    & skf18("3","10","6","10","5","4","1") = "9"
    & skf18("3","10","6","10","5","5","1") = "9"
    & skf18("3","10","6","10","5","6","1") = "9"
    & skf18("3","10","6","10","5","7","1") = "9"
    & skf18("3","10","6","10","5","8","1") = "9"
    & skf18("3","10","6","10","5","9","1") = "9"
    & skf18("3","10","6","10","5","10","1") = "9"
    & skf18("3","10","6","10","6","1","1") = "9"
    & skf18("3","10","6","10","6","2","1") = "9"
    & skf18("3","10","6","10","6","3","1") = "9"
    & skf18("3","10","6","10","6","4","1") = "9"
    & skf18("3","10","6","10","6","5","1") = "9"
    & skf18("3","10","6","10","6","6","1") = "9"
    & skf18("3","10","6","10","6","7","1") = "9"
    & skf18("3","10","6","10","6","8","1") = "9"
    & skf18("3","10","6","10","6","9","1") = "9"
    & skf18("3","10","6","10","6","10","1") = "9"
    & skf18("3","10","6","10","7","1","1") = "9"
    & skf18("3","10","6","10","7","2","1") = "9"
    & skf18("3","10","6","10","7","3","1") = "9"
    & skf18("3","10","6","10","7","4","1") = "9"
    & skf18("3","10","6","10","7","5","1") = "9"
    & skf18("3","10","6","10","7","6","1") = "9"
    & skf18("3","10","6","10","7","7","1") = "9"
    & skf18("3","10","6","10","7","8","1") = "9"
    & skf18("3","10","6","10","7","9","1") = "9"
    & skf18("3","10","6","10","7","10","1") = "9"
    & skf18("3","10","6","10","8","1","1") = "9"
    & skf18("3","10","6","10","8","2","1") = "9"
    & skf18("3","10","6","10","8","3","1") = "9"
    & skf18("3","10","6","10","8","4","1") = "9"
    & skf18("3","10","6","10","8","5","1") = "9"
    & skf18("3","10","6","10","8","6","1") = "9"
    & skf18("3","10","6","10","8","7","1") = "9"
    & skf18("3","10","6","10","8","8","1") = "9"
    & skf18("3","10","6","10","8","9","1") = "9"
    & skf18("3","10","6","10","8","10","1") = "9"
    & skf18("3","10","6","10","9","1","1") = "9"
    & skf18("3","10","6","10","9","2","1") = "9"
    & skf18("3","10","6","10","9","3","1") = "9"
    & skf18("3","10","6","10","9","4","1") = "9"
    & skf18("3","10","6","10","9","5","1") = "9"
    & skf18("3","10","6","10","9","6","1") = "9"
    & skf18("3","10","6","10","9","7","1") = "9"
    & skf18("3","10","6","10","9","8","1") = "9"
    & skf18("3","10","6","10","9","9","1") = "9"
    & skf18("3","10","6","10","9","10","1") = "9"
    & skf18("3","10","6","10","10","1","1") = "9"
    & skf18("3","10","6","10","10","2","1") = "9"
    & skf18("3","10","6","10","10","3","1") = "9"
    & skf18("3","10","6","10","10","4","1") = "9"
    & skf18("3","10","6","10","10","5","1") = "9"
    & skf18("3","10","6","10","10","6","1") = "9"
    & skf18("3","10","6","10","10","7","1") = "9"
    & skf18("3","10","6","10","10","8","1") = "9"
    & skf18("3","10","6","10","10","9","1") = "9"
    & skf18("3","10","6","10","10","10","1") = "9"
    & skf18("3","10","7","1","1","1","1") = "9"
    & skf18("3","10","7","1","1","2","1") = "9"
    & skf18("3","10","7","1","1","3","1") = "9"
    & skf18("3","10","7","1","1","4","1") = "9"
    & skf18("3","10","7","1","1","5","1") = "9"
    & skf18("3","10","7","1","1","6","1") = "9"
    & skf18("3","10","7","1","1","7","1") = "9"
    & skf18("3","10","7","1","1","8","1") = "9"
    & skf18("3","10","7","1","1","9","1") = "9"
    & skf18("3","10","7","1","1","10","1") = "9"
    & skf18("3","10","7","1","2","1","1") = "9"
    & skf18("3","10","7","1","2","2","1") = "9"
    & skf18("3","10","7","1","2","3","1") = "9"
    & skf18("3","10","7","1","2","4","1") = "9"
    & skf18("3","10","7","1","2","5","1") = "9"
    & skf18("3","10","7","1","2","6","1") = "9"
    & skf18("3","10","7","1","2","7","1") = "9"
    & skf18("3","10","7","1","2","8","1") = "9"
    & skf18("3","10","7","1","2","9","1") = "9"
    & skf18("3","10","7","1","2","10","1") = "9"
    & skf18("3","10","7","1","3","1","1") = "9"
    & skf18("3","10","7","1","3","2","1") = "9"
    & skf18("3","10","7","1","3","3","1") = "9"
    & skf18("3","10","7","1","3","4","1") = "9"
    & skf18("3","10","7","1","3","5","1") = "9"
    & skf18("3","10","7","1","3","6","1") = "9"
    & skf18("3","10","7","1","3","7","1") = "9"
    & skf18("3","10","7","1","3","8","1") = "9"
    & skf18("3","10","7","1","3","9","1") = "9"
    & skf18("3","10","7","1","3","10","1") = "9"
    & skf18("3","10","7","1","4","1","1") = "9"
    & skf18("3","10","7","1","4","2","1") = "9"
    & skf18("3","10","7","1","4","3","1") = "9"
    & skf18("3","10","7","1","4","4","1") = "9"
    & skf18("3","10","7","1","4","5","1") = "9"
    & skf18("3","10","7","1","4","6","1") = "9"
    & skf18("3","10","7","1","4","7","1") = "9"
    & skf18("3","10","7","1","4","8","1") = "9"
    & skf18("3","10","7","1","4","9","1") = "9"
    & skf18("3","10","7","1","4","10","1") = "9"
    & skf18("3","10","7","1","5","1","1") = "9"
    & skf18("3","10","7","1","5","2","1") = "9"
    & skf18("3","10","7","1","5","3","1") = "9"
    & skf18("3","10","7","1","5","4","1") = "9"
    & skf18("3","10","7","1","5","5","1") = "9"
    & skf18("3","10","7","1","5","6","1") = "9"
    & skf18("3","10","7","1","5","7","1") = "9"
    & skf18("3","10","7","1","5","8","1") = "9"
    & skf18("3","10","7","1","5","9","1") = "9"
    & skf18("3","10","7","1","5","10","1") = "9"
    & skf18("3","10","7","1","6","1","1") = "9"
    & skf18("3","10","7","1","6","2","1") = "9"
    & skf18("3","10","7","1","6","3","1") = "9"
    & skf18("3","10","7","1","6","4","1") = "9"
    & skf18("3","10","7","1","6","5","1") = "9"
    & skf18("3","10","7","1","6","6","1") = "9"
    & skf18("3","10","7","1","6","7","1") = "9"
    & skf18("3","10","7","1","6","8","1") = "9"
    & skf18("3","10","7","1","6","9","1") = "9"
    & skf18("3","10","7","1","6","10","1") = "9"
    & skf18("3","10","7","1","7","1","1") = "9"
    & skf18("3","10","7","1","7","2","1") = "9"
    & skf18("3","10","7","1","7","3","1") = "9"
    & skf18("3","10","7","1","7","4","1") = "9"
    & skf18("3","10","7","1","7","5","1") = "9"
    & skf18("3","10","7","1","7","6","1") = "9"
    & skf18("3","10","7","1","7","7","1") = "9"
    & skf18("3","10","7","1","7","8","1") = "9"
    & skf18("3","10","7","1","7","9","1") = "9"
    & skf18("3","10","7","1","7","10","1") = "9"
    & skf18("3","10","7","1","8","1","1") = "9"
    & skf18("3","10","7","1","8","2","1") = "9"
    & skf18("3","10","7","1","8","3","1") = "9"
    & skf18("3","10","7","1","8","4","1") = "9"
    & skf18("3","10","7","1","8","5","1") = "9"
    & skf18("3","10","7","1","8","6","1") = "9"
    & skf18("3","10","7","1","8","7","1") = "9"
    & skf18("3","10","7","1","8","8","1") = "9"
    & skf18("3","10","7","1","8","9","1") = "9"
    & skf18("3","10","7","1","8","10","1") = "9"
    & skf18("3","10","7","1","9","1","1") = "9"
    & skf18("3","10","7","1","9","2","1") = "9"
    & skf18("3","10","7","1","9","3","1") = "9"
    & skf18("3","10","7","1","9","4","1") = "9"
    & skf18("3","10","7","1","9","5","1") = "9"
    & skf18("3","10","7","1","9","6","1") = "9"
    & skf18("3","10","7","1","9","7","1") = "9"
    & skf18("3","10","7","1","9","8","1") = "9"
    & skf18("3","10","7","1","9","9","1") = "9"
    & skf18("3","10","7","1","9","10","1") = "9"
    & skf18("3","10","7","1","10","1","1") = "9"
    & skf18("3","10","7","1","10","2","1") = "9"
    & skf18("3","10","7","1","10","3","1") = "9"
    & skf18("3","10","7","1","10","4","1") = "9"
    & skf18("3","10","7","1","10","5","1") = "9"
    & skf18("3","10","7","1","10","6","1") = "9"
    & skf18("3","10","7","1","10","7","1") = "9"
    & skf18("3","10","7","1","10","8","1") = "9"
    & skf18("3","10","7","1","10","9","1") = "9"
    & skf18("3","10","7","1","10","10","1") = "9"
    & skf18("3","10","7","2","1","1","1") = "9"
    & skf18("3","10","7","2","1","2","1") = "9"
    & skf18("3","10","7","2","1","3","1") = "9"
    & skf18("3","10","7","2","1","4","1") = "9"
    & skf18("3","10","7","2","1","5","1") = "9"
    & skf18("3","10","7","2","1","6","1") = "9"
    & skf18("3","10","7","2","1","7","1") = "9"
    & skf18("3","10","7","2","1","8","1") = "9"
    & skf18("3","10","7","2","1","9","1") = "9"
    & skf18("3","10","7","2","1","10","1") = "9"
    & skf18("3","10","7","2","2","1","1") = "9"
    & skf18("3","10","7","2","2","2","1") = "9"
    & skf18("3","10","7","2","2","3","1") = "9"
    & skf18("3","10","7","2","2","4","1") = "9"
    & skf18("3","10","7","2","2","5","1") = "9"
    & skf18("3","10","7","2","2","6","1") = "9"
    & skf18("3","10","7","2","2","7","1") = "9"
    & skf18("3","10","7","2","2","8","1") = "9"
    & skf18("3","10","7","2","2","9","1") = "9"
    & skf18("3","10","7","2","2","10","1") = "9"
    & skf18("3","10","7","2","3","1","1") = "9"
    & skf18("3","10","7","2","3","2","1") = "9"
    & skf18("3","10","7","2","3","3","1") = "9"
    & skf18("3","10","7","2","3","4","1") = "9"
    & skf18("3","10","7","2","3","5","1") = "9"
    & skf18("3","10","7","2","3","6","1") = "9"
    & skf18("3","10","7","2","3","7","1") = "9"
    & skf18("3","10","7","2","3","8","1") = "9"
    & skf18("3","10","7","2","3","9","1") = "9"
    & skf18("3","10","7","2","3","10","1") = "9"
    & skf18("3","10","7","2","4","1","1") = "9"
    & skf18("3","10","7","2","4","2","1") = "9"
    & skf18("3","10","7","2","4","3","1") = "9"
    & skf18("3","10","7","2","4","4","1") = "9"
    & skf18("3","10","7","2","4","5","1") = "9"
    & skf18("3","10","7","2","4","6","1") = "9"
    & skf18("3","10","7","2","4","7","1") = "9"
    & skf18("3","10","7","2","4","8","1") = "9"
    & skf18("3","10","7","2","4","9","1") = "9"
    & skf18("3","10","7","2","4","10","1") = "9"
    & skf18("3","10","7","2","5","1","1") = "9"
    & skf18("3","10","7","2","5","2","1") = "9"
    & skf18("3","10","7","2","5","3","1") = "9"
    & skf18("3","10","7","2","5","4","1") = "9"
    & skf18("3","10","7","2","5","5","1") = "9"
    & skf18("3","10","7","2","5","6","1") = "9"
    & skf18("3","10","7","2","5","7","1") = "9"
    & skf18("3","10","7","2","5","8","1") = "9"
    & skf18("3","10","7","2","5","9","1") = "9"
    & skf18("3","10","7","2","5","10","1") = "9"
    & skf18("3","10","7","2","6","1","1") = "9"
    & skf18("3","10","7","2","6","2","1") = "9"
    & skf18("3","10","7","2","6","3","1") = "9"
    & skf18("3","10","7","2","6","4","1") = "9"
    & skf18("3","10","7","2","6","5","1") = "9"
    & skf18("3","10","7","2","6","6","1") = "9"
    & skf18("3","10","7","2","6","7","1") = "9"
    & skf18("3","10","7","2","6","8","1") = "9"
    & skf18("3","10","7","2","6","9","1") = "9"
    & skf18("3","10","7","2","6","10","1") = "9"
    & skf18("3","10","7","2","7","1","1") = "9"
    & skf18("3","10","7","2","7","2","1") = "9"
    & skf18("3","10","7","2","7","3","1") = "9"
    & skf18("3","10","7","2","7","4","1") = "9"
    & skf18("3","10","7","2","7","5","1") = "9"
    & skf18("3","10","7","2","7","6","1") = "9"
    & skf18("3","10","7","2","7","7","1") = "9"
    & skf18("3","10","7","2","7","8","1") = "9"
    & skf18("3","10","7","2","7","9","1") = "9"
    & skf18("3","10","7","2","7","10","1") = "9"
    & skf18("3","10","7","2","8","1","1") = "9"
    & skf18("3","10","7","2","8","2","1") = "9"
    & skf18("3","10","7","2","8","3","1") = "9"
    & skf18("3","10","7","2","8","4","1") = "9"
    & skf18("3","10","7","2","8","5","1") = "9"
    & skf18("3","10","7","2","8","6","1") = "9"
    & skf18("3","10","7","2","8","7","1") = "9"
    & skf18("3","10","7","2","8","8","1") = "9"
    & skf18("3","10","7","2","8","9","1") = "9"
    & skf18("3","10","7","2","8","10","1") = "9"
    & skf18("3","10","7","2","9","1","1") = "9"
    & skf18("3","10","7","2","9","2","1") = "9"
    & skf18("3","10","7","2","9","3","1") = "9"
    & skf18("3","10","7","2","9","4","1") = "9"
    & skf18("3","10","7","2","9","5","1") = "9"
    & skf18("3","10","7","2","9","6","1") = "9"
    & skf18("3","10","7","2","9","7","1") = "9"
    & skf18("3","10","7","2","9","8","1") = "9"
    & skf18("3","10","7","2","9","9","1") = "9"
    & skf18("3","10","7","2","9","10","1") = "9"
    & skf18("3","10","7","2","10","1","1") = "9"
    & skf18("3","10","7","2","10","2","1") = "9"
    & skf18("3","10","7","2","10","3","1") = "9"
    & skf18("3","10","7","2","10","4","1") = "9"
    & skf18("3","10","7","2","10","5","1") = "9"
    & skf18("3","10","7","2","10","6","1") = "9"
    & skf18("3","10","7","2","10","7","1") = "9"
    & skf18("3","10","7","2","10","8","1") = "9"
    & skf18("3","10","7","2","10","9","1") = "9"
    & skf18("3","10","7","2","10","10","1") = "9"
    & skf18("3","10","7","3","1","1","1") = "9"
    & skf18("3","10","7","3","1","2","1") = "9"
    & skf18("3","10","7","3","1","3","1") = "9"
    & skf18("3","10","7","3","1","4","1") = "9"
    & skf18("3","10","7","3","1","5","1") = "9"
    & skf18("3","10","7","3","1","6","1") = "9"
    & skf18("3","10","7","3","1","7","1") = "9"
    & skf18("3","10","7","3","1","8","1") = "9"
    & skf18("3","10","7","3","1","9","1") = "9"
    & skf18("3","10","7","3","1","10","1") = "9"
    & skf18("3","10","7","3","2","1","1") = "9"
    & skf18("3","10","7","3","2","2","1") = "9"
    & skf18("3","10","7","3","2","3","1") = "9"
    & skf18("3","10","7","3","2","4","1") = "9"
    & skf18("3","10","7","3","2","5","1") = "9"
    & skf18("3","10","7","3","2","6","1") = "9"
    & skf18("3","10","7","3","2","7","1") = "9"
    & skf18("3","10","7","3","2","8","1") = "9"
    & skf18("3","10","7","3","2","9","1") = "9"
    & skf18("3","10","7","3","2","10","1") = "9"
    & skf18("3","10","7","3","3","1","1") = "9"
    & skf18("3","10","7","3","3","2","1") = "9"
    & skf18("3","10","7","3","3","3","1") = "9"
    & skf18("3","10","7","3","3","4","1") = "9"
    & skf18("3","10","7","3","3","5","1") = "9"
    & skf18("3","10","7","3","3","6","1") = "9"
    & skf18("3","10","7","3","3","7","1") = "9"
    & skf18("3","10","7","3","3","8","1") = "9"
    & skf18("3","10","7","3","3","9","1") = "9"
    & skf18("3","10","7","3","3","10","1") = "9"
    & skf18("3","10","7","3","4","1","1") = "9"
    & skf18("3","10","7","3","4","2","1") = "9"
    & skf18("3","10","7","3","4","3","1") = "9"
    & skf18("3","10","7","3","4","4","1") = "9"
    & skf18("3","10","7","3","4","5","1") = "9"
    & skf18("3","10","7","3","4","6","1") = "9"
    & skf18("3","10","7","3","4","7","1") = "9"
    & skf18("3","10","7","3","4","8","1") = "9"
    & skf18("3","10","7","3","4","9","1") = "9"
    & skf18("3","10","7","3","4","10","1") = "9"
    & skf18("3","10","7","3","5","1","1") = "9"
    & skf18("3","10","7","3","5","2","1") = "9"
    & skf18("3","10","7","3","5","3","1") = "9"
    & skf18("3","10","7","3","5","4","1") = "9"
    & skf18("3","10","7","3","5","5","1") = "9"
    & skf18("3","10","7","3","5","6","1") = "9"
    & skf18("3","10","7","3","5","7","1") = "9"
    & skf18("3","10","7","3","5","8","1") = "9"
    & skf18("3","10","7","3","5","9","1") = "9"
    & skf18("3","10","7","3","5","10","1") = "9"
    & skf18("3","10","7","3","6","1","1") = "9"
    & skf18("3","10","7","3","6","2","1") = "9"
    & skf18("3","10","7","3","6","3","1") = "9"
    & skf18("3","10","7","3","6","4","1") = "9"
    & skf18("3","10","7","3","6","5","1") = "9"
    & skf18("3","10","7","3","6","6","1") = "9"
    & skf18("3","10","7","3","6","7","1") = "9"
    & skf18("3","10","7","3","6","8","1") = "9"
    & skf18("3","10","7","3","6","9","1") = "9"
    & skf18("3","10","7","3","6","10","1") = "9"
    & skf18("3","10","7","3","7","1","1") = "9"
    & skf18("3","10","7","3","7","2","1") = "9"
    & skf18("3","10","7","3","7","3","1") = "9"
    & skf18("3","10","7","3","7","4","1") = "9"
    & skf18("3","10","7","3","7","5","1") = "9"
    & skf18("3","10","7","3","7","6","1") = "9"
    & skf18("3","10","7","3","7","7","1") = "9"
    & skf18("3","10","7","3","7","8","1") = "9"
    & skf18("3","10","7","3","7","9","1") = "9"
    & skf18("3","10","7","3","7","10","1") = "9"
    & skf18("3","10","7","3","8","1","1") = "9"
    & skf18("3","10","7","3","8","2","1") = "9"
    & skf18("3","10","7","3","8","3","1") = "9"
    & skf18("3","10","7","3","8","4","1") = "9"
    & skf18("3","10","7","3","8","5","1") = "9"
    & skf18("3","10","7","3","8","6","1") = "9"
    & skf18("3","10","7","3","8","7","1") = "9"
    & skf18("3","10","7","3","8","8","1") = "9"
    & skf18("3","10","7","3","8","9","1") = "9"
    & skf18("3","10","7","3","8","10","1") = "9"
    & skf18("3","10","7","3","9","1","1") = "9"
    & skf18("3","10","7","3","9","2","1") = "9"
    & skf18("3","10","7","3","9","3","1") = "9"
    & skf18("3","10","7","3","9","4","1") = "9"
    & skf18("3","10","7","3","9","5","1") = "9"
    & skf18("3","10","7","3","9","6","1") = "9"
    & skf18("3","10","7","3","9","7","1") = "9"
    & skf18("3","10","7","3","9","8","1") = "9"
    & skf18("3","10","7","3","9","9","1") = "9"
    & skf18("3","10","7","3","9","10","1") = "9"
    & skf18("3","10","7","3","10","1","1") = "9"
    & skf18("3","10","7","3","10","2","1") = "9"
    & skf18("3","10","7","3","10","3","1") = "9"
    & skf18("3","10","7","3","10","4","1") = "9"
    & skf18("3","10","7","3","10","5","1") = "9"
    & skf18("3","10","7","3","10","6","1") = "9"
    & skf18("3","10","7","3","10","7","1") = "9"
    & skf18("3","10","7","3","10","8","1") = "9"
    & skf18("3","10","7","3","10","9","1") = "9"
    & skf18("3","10","7","3","10","10","1") = "9"
    & skf18("3","10","7","4","1","1","1") = "9"
    & skf18("3","10","7","4","1","2","1") = "9"
    & skf18("3","10","7","4","1","3","1") = "9"
    & skf18("3","10","7","4","1","4","1") = "9"
    & skf18("3","10","7","4","1","5","1") = "9"
    & skf18("3","10","7","4","1","6","1") = "9"
    & skf18("3","10","7","4","1","7","1") = "9"
    & skf18("3","10","7","4","1","8","1") = "9"
    & skf18("3","10","7","4","1","9","1") = "9"
    & skf18("3","10","7","4","1","10","1") = "9"
    & skf18("3","10","7","4","2","1","1") = "9"
    & skf18("3","10","7","4","2","2","1") = "9"
    & skf18("3","10","7","4","2","3","1") = "9"
    & skf18("3","10","7","4","2","4","1") = "9"
    & skf18("3","10","7","4","2","5","1") = "9"
    & skf18("3","10","7","4","2","6","1") = "9"
    & skf18("3","10","7","4","2","7","1") = "9"
    & skf18("3","10","7","4","2","8","1") = "9"
    & skf18("3","10","7","4","2","9","1") = "9"
    & skf18("3","10","7","4","2","10","1") = "9"
    & skf18("3","10","7","4","3","1","1") = "9"
    & skf18("3","10","7","4","3","2","1") = "9"
    & skf18("3","10","7","4","3","3","1") = "9"
    & skf18("3","10","7","4","3","4","1") = "9"
    & skf18("3","10","7","4","3","5","1") = "9"
    & skf18("3","10","7","4","3","6","1") = "9"
    & skf18("3","10","7","4","3","7","1") = "9"
    & skf18("3","10","7","4","3","8","1") = "9"
    & skf18("3","10","7","4","3","9","1") = "9"
    & skf18("3","10","7","4","3","10","1") = "9"
    & skf18("3","10","7","4","4","1","1") = "9"
    & skf18("3","10","7","4","4","2","1") = "9"
    & skf18("3","10","7","4","4","3","1") = "9"
    & skf18("3","10","7","4","4","4","1") = "9"
    & skf18("3","10","7","4","4","5","1") = "9"
    & skf18("3","10","7","4","4","6","1") = "9"
    & skf18("3","10","7","4","4","7","1") = "9"
    & skf18("3","10","7","4","4","8","1") = "9"
    & skf18("3","10","7","4","4","9","1") = "9"
    & skf18("3","10","7","4","4","10","1") = "9"
    & skf18("3","10","7","4","5","1","1") = "9"
    & skf18("3","10","7","4","5","2","1") = "9"
    & skf18("3","10","7","4","5","3","1") = "9"
    & skf18("3","10","7","4","5","4","1") = "9"
    & skf18("3","10","7","4","5","5","1") = "9"
    & skf18("3","10","7","4","5","6","1") = "9"
    & skf18("3","10","7","4","5","7","1") = "9"
    & skf18("3","10","7","4","5","8","1") = "9"
    & skf18("3","10","7","4","5","9","1") = "9"
    & skf18("3","10","7","4","5","10","1") = "9"
    & skf18("3","10","7","4","6","1","1") = "9"
    & skf18("3","10","7","4","6","2","1") = "9"
    & skf18("3","10","7","4","6","3","1") = "9"
    & skf18("3","10","7","4","6","4","1") = "9"
    & skf18("3","10","7","4","6","5","1") = "9"
    & skf18("3","10","7","4","6","6","1") = "9"
    & skf18("3","10","7","4","6","7","1") = "9"
    & skf18("3","10","7","4","6","8","1") = "9"
    & skf18("3","10","7","4","6","9","1") = "9"
    & skf18("3","10","7","4","6","10","1") = "9"
    & skf18("3","10","7","4","7","1","1") = "9"
    & skf18("3","10","7","4","7","2","1") = "9"
    & skf18("3","10","7","4","7","3","1") = "9"
    & skf18("3","10","7","4","7","4","1") = "9"
    & skf18("3","10","7","4","7","5","1") = "9"
    & skf18("3","10","7","4","7","6","1") = "9"
    & skf18("3","10","7","4","7","7","1") = "9"
    & skf18("3","10","7","4","7","8","1") = "9"
    & skf18("3","10","7","4","7","9","1") = "9"
    & skf18("3","10","7","4","7","10","1") = "9"
    & skf18("3","10","7","4","8","1","1") = "9"
    & skf18("3","10","7","4","8","2","1") = "9"
    & skf18("3","10","7","4","8","3","1") = "9"
    & skf18("3","10","7","4","8","4","1") = "9"
    & skf18("3","10","7","4","8","5","1") = "9"
    & skf18("3","10","7","4","8","6","1") = "9"
    & skf18("3","10","7","4","8","7","1") = "9"
    & skf18("3","10","7","4","8","8","1") = "9"
    & skf18("3","10","7","4","8","9","1") = "9"
    & skf18("3","10","7","4","8","10","1") = "9"
    & skf18("3","10","7","4","9","1","1") = "9"
    & skf18("3","10","7","4","9","2","1") = "9"
    & skf18("3","10","7","4","9","3","1") = "9"
    & skf18("3","10","7","4","9","4","1") = "9"
    & skf18("3","10","7","4","9","5","1") = "9"
    & skf18("3","10","7","4","9","6","1") = "9"
    & skf18("3","10","7","4","9","7","1") = "9"
    & skf18("3","10","7","4","9","8","1") = "9"
    & skf18("3","10","7","4","9","9","1") = "9"
    & skf18("3","10","7","4","9","10","1") = "9"
    & skf18("3","10","7","4","10","1","1") = "9"
    & skf18("3","10","7","4","10","2","1") = "9"
    & skf18("3","10","7","4","10","3","1") = "9"
    & skf18("3","10","7","4","10","4","1") = "9"
    & skf18("3","10","7","4","10","5","1") = "9"
    & skf18("3","10","7","4","10","6","1") = "9"
    & skf18("3","10","7","4","10","7","1") = "9"
    & skf18("3","10","7","4","10","8","1") = "9"
    & skf18("3","10","7","4","10","9","1") = "9"
    & skf18("3","10","7","4","10","10","1") = "9"
    & skf18("3","10","7","5","1","1","1") = "9"
    & skf18("3","10","7","5","1","2","1") = "9"
    & skf18("3","10","7","5","1","3","1") = "9"
    & skf18("3","10","7","5","1","4","1") = "9"
    & skf18("3","10","7","5","1","5","1") = "9"
    & skf18("3","10","7","5","1","6","1") = "9"
    & skf18("3","10","7","5","1","7","1") = "9"
    & skf18("3","10","7","5","1","8","1") = "9"
    & skf18("3","10","7","5","1","9","1") = "9"
    & skf18("3","10","7","5","1","10","1") = "9"
    & skf18("3","10","7","5","2","1","1") = "9"
    & skf18("3","10","7","5","2","2","1") = "9"
    & skf18("3","10","7","5","2","3","1") = "9"
    & skf18("3","10","7","5","2","4","1") = "9"
    & skf18("3","10","7","5","2","5","1") = "9"
    & skf18("3","10","7","5","2","6","1") = "9"
    & skf18("3","10","7","5","2","7","1") = "9"
    & skf18("3","10","7","5","2","8","1") = "9"
    & skf18("3","10","7","5","2","9","1") = "9"
    & skf18("3","10","7","5","2","10","1") = "9"
    & skf18("3","10","7","5","3","1","1") = "9"
    & skf18("3","10","7","5","3","2","1") = "9"
    & skf18("3","10","7","5","3","3","1") = "9"
    & skf18("3","10","7","5","3","4","1") = "9"
    & skf18("3","10","7","5","3","5","1") = "9"
    & skf18("3","10","7","5","3","6","1") = "9"
    & skf18("3","10","7","5","3","7","1") = "9"
    & skf18("3","10","7","5","3","8","1") = "9"
    & skf18("3","10","7","5","3","9","1") = "9"
    & skf18("3","10","7","5","3","10","1") = "9"
    & skf18("3","10","7","5","4","1","1") = "9"
    & skf18("3","10","7","5","4","2","1") = "9"
    & skf18("3","10","7","5","4","3","1") = "9"
    & skf18("3","10","7","5","4","4","1") = "9"
    & skf18("3","10","7","5","4","5","1") = "9"
    & skf18("3","10","7","5","4","6","1") = "9"
    & skf18("3","10","7","5","4","7","1") = "9"
    & skf18("3","10","7","5","4","8","1") = "9"
    & skf18("3","10","7","5","4","9","1") = "9"
    & skf18("3","10","7","5","4","10","1") = "9"
    & skf18("3","10","7","5","5","1","1") = "9"
    & skf18("3","10","7","5","5","2","1") = "9"
    & skf18("3","10","7","5","5","3","1") = "9"
    & skf18("3","10","7","5","5","4","1") = "9"
    & skf18("3","10","7","5","5","5","1") = "9"
    & skf18("3","10","7","5","5","6","1") = "9"
    & skf18("3","10","7","5","5","7","1") = "9"
    & skf18("3","10","7","5","5","8","1") = "9"
    & skf18("3","10","7","5","5","9","1") = "9"
    & skf18("3","10","7","5","5","10","1") = "9"
    & skf18("3","10","7","5","6","1","1") = "9"
    & skf18("3","10","7","5","6","2","1") = "9"
    & skf18("3","10","7","5","6","3","1") = "9"
    & skf18("3","10","7","5","6","4","1") = "9"
    & skf18("3","10","7","5","6","5","1") = "9"
    & skf18("3","10","7","5","6","6","1") = "9"
    & skf18("3","10","7","5","6","7","1") = "9"
    & skf18("3","10","7","5","6","8","1") = "9"
    & skf18("3","10","7","5","6","9","1") = "9"
    & skf18("3","10","7","5","6","10","1") = "9"
    & skf18("3","10","7","5","7","1","1") = "9"
    & skf18("3","10","7","5","7","2","1") = "9"
    & skf18("3","10","7","5","7","3","1") = "9"
    & skf18("3","10","7","5","7","4","1") = "9"
    & skf18("3","10","7","5","7","5","1") = "9"
    & skf18("3","10","7","5","7","6","1") = "9"
    & skf18("3","10","7","5","7","7","1") = "9"
    & skf18("3","10","7","5","7","8","1") = "9"
    & skf18("3","10","7","5","7","9","1") = "9"
    & skf18("3","10","7","5","7","10","1") = "9"
    & skf18("3","10","7","5","8","1","1") = "9"
    & skf18("3","10","7","5","8","2","1") = "9"
    & skf18("3","10","7","5","8","3","1") = "9"
    & skf18("3","10","7","5","8","4","1") = "9"
    & skf18("3","10","7","5","8","5","1") = "9"
    & skf18("3","10","7","5","8","6","1") = "9"
    & skf18("3","10","7","5","8","7","1") = "9"
    & skf18("3","10","7","5","8","8","1") = "9"
    & skf18("3","10","7","5","8","9","1") = "9"
    & skf18("3","10","7","5","8","10","1") = "9"
    & skf18("3","10","7","5","9","1","1") = "9"
    & skf18("3","10","7","5","9","2","1") = "9"
    & skf18("3","10","7","5","9","3","1") = "9"
    & skf18("3","10","7","5","9","4","1") = "9"
    & skf18("3","10","7","5","9","5","1") = "9"
    & skf18("3","10","7","5","9","6","1") = "9"
    & skf18("3","10","7","5","9","7","1") = "9"
    & skf18("3","10","7","5","9","8","1") = "9"
    & skf18("3","10","7","5","9","9","1") = "9"
    & skf18("3","10","7","5","9","10","1") = "9"
    & skf18("3","10","7","5","10","1","1") = "9"
    & skf18("3","10","7","5","10","2","1") = "9"
    & skf18("3","10","7","5","10","3","1") = "9"
    & skf18("3","10","7","5","10","4","1") = "9"
    & skf18("3","10","7","5","10","5","1") = "9"
    & skf18("3","10","7","5","10","6","1") = "9"
    & skf18("3","10","7","5","10","7","1") = "9"
    & skf18("3","10","7","5","10","8","1") = "9"
    & skf18("3","10","7","5","10","9","1") = "9"
    & skf18("3","10","7","5","10","10","1") = "9"
    & skf18("3","10","7","6","1","1","1") = "9"
    & skf18("3","10","7","6","1","2","1") = "9"
    & skf18("3","10","7","6","1","3","1") = "9"
    & skf18("3","10","7","6","1","4","1") = "9"
    & skf18("3","10","7","6","1","5","1") = "9"
    & skf18("3","10","7","6","1","6","1") = "9"
    & skf18("3","10","7","6","1","7","1") = "9"
    & skf18("3","10","7","6","1","8","1") = "9"
    & skf18("3","10","7","6","1","9","1") = "9"
    & skf18("3","10","7","6","1","10","1") = "9"
    & skf18("3","10","7","6","2","1","1") = "9"
    & skf18("3","10","7","6","2","2","1") = "9"
    & skf18("3","10","7","6","2","3","1") = "9"
    & skf18("3","10","7","6","2","4","1") = "9"
    & skf18("3","10","7","6","2","5","1") = "9"
    & skf18("3","10","7","6","2","6","1") = "9"
    & skf18("3","10","7","6","2","7","1") = "9"
    & skf18("3","10","7","6","2","8","1") = "9"
    & skf18("3","10","7","6","2","9","1") = "9"
    & skf18("3","10","7","6","2","10","1") = "9"
    & skf18("3","10","7","6","3","1","1") = "9"
    & skf18("3","10","7","6","3","2","1") = "9"
    & skf18("3","10","7","6","3","3","1") = "9"
    & skf18("3","10","7","6","3","4","1") = "9"
    & skf18("3","10","7","6","3","5","1") = "9"
    & skf18("3","10","7","6","3","6","1") = "9"
    & skf18("3","10","7","6","3","7","1") = "9"
    & skf18("3","10","7","6","3","8","1") = "9"
    & skf18("3","10","7","6","3","9","1") = "9"
    & skf18("3","10","7","6","3","10","1") = "9"
    & skf18("3","10","7","6","4","1","1") = "9"
    & skf18("3","10","7","6","4","2","1") = "9"
    & skf18("3","10","7","6","4","3","1") = "9"
    & skf18("3","10","7","6","4","4","1") = "9"
    & skf18("3","10","7","6","4","5","1") = "9"
    & skf18("3","10","7","6","4","6","1") = "9"
    & skf18("3","10","7","6","4","7","1") = "9"
    & skf18("3","10","7","6","4","8","1") = "9"
    & skf18("3","10","7","6","4","9","1") = "9"
    & skf18("3","10","7","6","4","10","1") = "9"
    & skf18("3","10","7","6","5","1","1") = "9"
    & skf18("3","10","7","6","5","2","1") = "9"
    & skf18("3","10","7","6","5","3","1") = "9"
    & skf18("3","10","7","6","5","4","1") = "9"
    & skf18("3","10","7","6","5","5","1") = "9"
    & skf18("3","10","7","6","5","6","1") = "9"
    & skf18("3","10","7","6","5","7","1") = "9"
    & skf18("3","10","7","6","5","8","1") = "9"
    & skf18("3","10","7","6","5","9","1") = "9"
    & skf18("3","10","7","6","5","10","1") = "9"
    & skf18("3","10","7","6","6","1","1") = "9"
    & skf18("3","10","7","6","6","2","1") = "9"
    & skf18("3","10","7","6","6","3","1") = "9"
    & skf18("3","10","7","6","6","4","1") = "9"
    & skf18("3","10","7","6","6","5","1") = "9"
    & skf18("3","10","7","6","6","6","1") = "9"
    & skf18("3","10","7","6","6","7","1") = "9"
    & skf18("3","10","7","6","6","8","1") = "9"
    & skf18("3","10","7","6","6","9","1") = "9"
    & skf18("3","10","7","6","6","10","1") = "9"
    & skf18("3","10","7","6","7","1","1") = "9"
    & skf18("3","10","7","6","7","2","1") = "9"
    & skf18("3","10","7","6","7","3","1") = "9"
    & skf18("3","10","7","6","7","4","1") = "9"
    & skf18("3","10","7","6","7","5","1") = "9"
    & skf18("3","10","7","6","7","6","1") = "9"
    & skf18("3","10","7","6","7","7","1") = "9"
    & skf18("3","10","7","6","7","8","1") = "9"
    & skf18("3","10","7","6","7","9","1") = "9"
    & skf18("3","10","7","6","7","10","1") = "9"
    & skf18("3","10","7","6","8","1","1") = "9"
    & skf18("3","10","7","6","8","2","1") = "9"
    & skf18("3","10","7","6","8","3","1") = "9"
    & skf18("3","10","7","6","8","4","1") = "9"
    & skf18("3","10","7","6","8","5","1") = "9"
    & skf18("3","10","7","6","8","6","1") = "9"
    & skf18("3","10","7","6","8","7","1") = "9"
    & skf18("3","10","7","6","8","8","1") = "9"
    & skf18("3","10","7","6","8","9","1") = "9"
    & skf18("3","10","7","6","8","10","1") = "9"
    & skf18("3","10","7","6","9","1","1") = "9"
    & skf18("3","10","7","6","9","2","1") = "9"
    & skf18("3","10","7","6","9","3","1") = "9"
    & skf18("3","10","7","6","9","4","1") = "9"
    & skf18("3","10","7","6","9","5","1") = "9"
    & skf18("3","10","7","6","9","6","1") = "9"
    & skf18("3","10","7","6","9","7","1") = "9"
    & skf18("3","10","7","6","9","8","1") = "9"
    & skf18("3","10","7","6","9","9","1") = "9"
    & skf18("3","10","7","6","9","10","1") = "9"
    & skf18("3","10","7","6","10","1","1") = "9"
    & skf18("3","10","7","6","10","2","1") = "9"
    & skf18("3","10","7","6","10","3","1") = "9"
    & skf18("3","10","7","6","10","4","1") = "9"
    & skf18("3","10","7","6","10","5","1") = "9"
    & skf18("3","10","7","6","10","6","1") = "9"
    & skf18("3","10","7","6","10","7","1") = "9"
    & skf18("3","10","7","6","10","8","1") = "9"
    & skf18("3","10","7","6","10","9","1") = "9"
    & skf18("3","10","7","6","10","10","1") = "9"
    & skf18("3","10","7","7","1","1","1") = "9"
    & skf18("3","10","7","7","1","2","1") = "9"
    & skf18("3","10","7","7","1","3","1") = "9"
    & skf18("3","10","7","7","1","4","1") = "9"
    & skf18("3","10","7","7","1","5","1") = "9"
    & skf18("3","10","7","7","1","6","1") = "9"
    & skf18("3","10","7","7","1","7","1") = "9"
    & skf18("3","10","7","7","1","8","1") = "9"
    & skf18("3","10","7","7","1","9","1") = "9"
    & skf18("3","10","7","7","1","10","1") = "9"
    & skf18("3","10","7","7","2","1","1") = "9"
    & skf18("3","10","7","7","2","2","1") = "9"
    & skf18("3","10","7","7","2","3","1") = "9"
    & skf18("3","10","7","7","2","4","1") = "9"
    & skf18("3","10","7","7","2","5","1") = "9"
    & skf18("3","10","7","7","2","6","1") = "9"
    & skf18("3","10","7","7","2","7","1") = "9"
    & skf18("3","10","7","7","2","8","1") = "9"
    & skf18("3","10","7","7","2","9","1") = "9"
    & skf18("3","10","7","7","2","10","1") = "9"
    & skf18("3","10","7","7","3","1","1") = "9"
    & skf18("3","10","7","7","3","2","1") = "9"
    & skf18("3","10","7","7","3","3","1") = "9"
    & skf18("3","10","7","7","3","4","1") = "9"
    & skf18("3","10","7","7","3","5","1") = "9"
    & skf18("3","10","7","7","3","6","1") = "9"
    & skf18("3","10","7","7","3","7","1") = "9"
    & skf18("3","10","7","7","3","8","1") = "9"
    & skf18("3","10","7","7","3","9","1") = "9"
    & skf18("3","10","7","7","3","10","1") = "9"
    & skf18("3","10","7","7","4","1","1") = "9"
    & skf18("3","10","7","7","4","2","1") = "9"
    & skf18("3","10","7","7","4","3","1") = "9"
    & skf18("3","10","7","7","4","4","1") = "9"
    & skf18("3","10","7","7","4","5","1") = "9"
    & skf18("3","10","7","7","4","6","1") = "9"
    & skf18("3","10","7","7","4","7","1") = "9"
    & skf18("3","10","7","7","4","8","1") = "9"
    & skf18("3","10","7","7","4","9","1") = "9"
    & skf18("3","10","7","7","4","10","1") = "9"
    & skf18("3","10","7","7","5","1","1") = "9"
    & skf18("3","10","7","7","5","2","1") = "9"
    & skf18("3","10","7","7","5","3","1") = "9"
    & skf18("3","10","7","7","5","4","1") = "9"
    & skf18("3","10","7","7","5","5","1") = "9"
    & skf18("3","10","7","7","5","6","1") = "9"
    & skf18("3","10","7","7","5","7","1") = "9"
    & skf18("3","10","7","7","5","8","1") = "9"
    & skf18("3","10","7","7","5","9","1") = "9"
    & skf18("3","10","7","7","5","10","1") = "9"
    & skf18("3","10","7","7","6","1","1") = "9"
    & skf18("3","10","7","7","6","2","1") = "9"
    & skf18("3","10","7","7","6","3","1") = "9"
    & skf18("3","10","7","7","6","4","1") = "9"
    & skf18("3","10","7","7","6","5","1") = "9"
    & skf18("3","10","7","7","6","6","1") = "9"
    & skf18("3","10","7","7","6","7","1") = "9"
    & skf18("3","10","7","7","6","8","1") = "9"
    & skf18("3","10","7","7","6","9","1") = "9"
    & skf18("3","10","7","7","6","10","1") = "9"
    & skf18("3","10","7","7","7","1","1") = "9"
    & skf18("3","10","7","7","7","2","1") = "9"
    & skf18("3","10","7","7","7","3","1") = "9"
    & skf18("3","10","7","7","7","4","1") = "9"
    & skf18("3","10","7","7","7","5","1") = "9"
    & skf18("3","10","7","7","7","6","1") = "9"
    & skf18("3","10","7","7","7","7","1") = "9"
    & skf18("3","10","7","7","7","8","1") = "9"
    & skf18("3","10","7","7","7","9","1") = "9"
    & skf18("3","10","7","7","7","10","1") = "9"
    & skf18("3","10","7","7","8","1","1") = "9"
    & skf18("3","10","7","7","8","2","1") = "9"
    & skf18("3","10","7","7","8","3","1") = "9"
    & skf18("3","10","7","7","8","4","1") = "9"
    & skf18("3","10","7","7","8","5","1") = "9"
    & skf18("3","10","7","7","8","6","1") = "9"
    & skf18("3","10","7","7","8","7","1") = "9"
    & skf18("3","10","7","7","8","8","1") = "9"
    & skf18("3","10","7","7","8","9","1") = "9"
    & skf18("3","10","7","7","8","10","1") = "9"
    & skf18("3","10","7","7","9","1","1") = "9"
    & skf18("3","10","7","7","9","2","1") = "9"
    & skf18("3","10","7","7","9","3","1") = "9"
    & skf18("3","10","7","7","9","4","1") = "9"
    & skf18("3","10","7","7","9","5","1") = "9"
    & skf18("3","10","7","7","9","6","1") = "9"
    & skf18("3","10","7","7","9","7","1") = "9"
    & skf18("3","10","7","7","9","8","1") = "9"
    & skf18("3","10","7","7","9","9","1") = "9"
    & skf18("3","10","7","7","9","10","1") = "9"
    & skf18("3","10","7","7","10","1","1") = "9"
    & skf18("3","10","7","7","10","2","1") = "9"
    & skf18("3","10","7","7","10","3","1") = "9"
    & skf18("3","10","7","7","10","4","1") = "9"
    & skf18("3","10","7","7","10","5","1") = "9"
    & skf18("3","10","7","7","10","6","1") = "9"
    & skf18("3","10","7","7","10","7","1") = "9"
    & skf18("3","10","7","7","10","8","1") = "9"
    & skf18("3","10","7","7","10","9","1") = "9"
    & skf18("3","10","7","7","10","10","1") = "9"
    & skf18("3","10","7","8","1","1","1") = "9"
    & skf18("3","10","7","8","1","2","1") = "9"
    & skf18("3","10","7","8","1","3","1") = "9"
    & skf18("3","10","7","8","1","4","1") = "9"
    & skf18("3","10","7","8","1","5","1") = "9"
    & skf18("3","10","7","8","1","6","1") = "9"
    & skf18("3","10","7","8","1","7","1") = "9"
    & skf18("3","10","7","8","1","8","1") = "9"
    & skf18("3","10","7","8","1","9","1") = "9"
    & skf18("3","10","7","8","1","10","1") = "9"
    & skf18("3","10","7","8","2","1","1") = "9"
    & skf18("3","10","7","8","2","2","1") = "9"
    & skf18("3","10","7","8","2","3","1") = "9"
    & skf18("3","10","7","8","2","4","1") = "9"
    & skf18("3","10","7","8","2","5","1") = "9"
    & skf18("3","10","7","8","2","6","1") = "9"
    & skf18("3","10","7","8","2","7","1") = "9"
    & skf18("3","10","7","8","2","8","1") = "9"
    & skf18("3","10","7","8","2","9","1") = "9"
    & skf18("3","10","7","8","2","10","1") = "9"
    & skf18("3","10","7","8","3","1","1") = "9"
    & skf18("3","10","7","8","3","2","1") = "9"
    & skf18("3","10","7","8","3","3","1") = "9"
    & skf18("3","10","7","8","3","4","1") = "9"
    & skf18("3","10","7","8","3","5","1") = "9"
    & skf18("3","10","7","8","3","6","1") = "9"
    & skf18("3","10","7","8","3","7","1") = "9"
    & skf18("3","10","7","8","3","8","1") = "9"
    & skf18("3","10","7","8","3","9","1") = "9"
    & skf18("3","10","7","8","3","10","1") = "9"
    & skf18("3","10","7","8","4","1","1") = "9"
    & skf18("3","10","7","8","4","2","1") = "9"
    & skf18("3","10","7","8","4","3","1") = "9"
    & skf18("3","10","7","8","4","4","1") = "9"
    & skf18("3","10","7","8","4","5","1") = "9"
    & skf18("3","10","7","8","4","6","1") = "9"
    & skf18("3","10","7","8","4","7","1") = "9"
    & skf18("3","10","7","8","4","8","1") = "9"
    & skf18("3","10","7","8","4","9","1") = "9"
    & skf18("3","10","7","8","4","10","1") = "9"
    & skf18("3","10","7","8","5","1","1") = "9"
    & skf18("3","10","7","8","5","2","1") = "9"
    & skf18("3","10","7","8","5","3","1") = "9"
    & skf18("3","10","7","8","5","4","1") = "9"
    & skf18("3","10","7","8","5","5","1") = "9"
    & skf18("3","10","7","8","5","6","1") = "9"
    & skf18("3","10","7","8","5","7","1") = "9"
    & skf18("3","10","7","8","5","8","1") = "9"
    & skf18("3","10","7","8","5","9","1") = "9"
    & skf18("3","10","7","8","5","10","1") = "9"
    & skf18("3","10","7","8","6","1","1") = "9"
    & skf18("3","10","7","8","6","2","1") = "9"
    & skf18("3","10","7","8","6","3","1") = "9"
    & skf18("3","10","7","8","6","4","1") = "9"
    & skf18("3","10","7","8","6","5","1") = "9"
    & skf18("3","10","7","8","6","6","1") = "9"
    & skf18("3","10","7","8","6","7","1") = "9"
    & skf18("3","10","7","8","6","8","1") = "9"
    & skf18("3","10","7","8","6","9","1") = "9"
    & skf18("3","10","7","8","6","10","1") = "9"
    & skf18("3","10","7","8","7","1","1") = "9"
    & skf18("3","10","7","8","7","2","1") = "9"
    & skf18("3","10","7","8","7","3","1") = "9"
    & skf18("3","10","7","8","7","4","1") = "9"
    & skf18("3","10","7","8","7","5","1") = "9"
    & skf18("3","10","7","8","7","6","1") = "9"
    & skf18("3","10","7","8","7","7","1") = "9"
    & skf18("3","10","7","8","7","8","1") = "9"
    & skf18("3","10","7","8","7","9","1") = "9"
    & skf18("3","10","7","8","7","10","1") = "9"
    & skf18("3","10","7","8","8","1","1") = "9"
    & skf18("3","10","7","8","8","2","1") = "9"
    & skf18("3","10","7","8","8","3","1") = "9"
    & skf18("3","10","7","8","8","4","1") = "9"
    & skf18("3","10","7","8","8","5","1") = "9"
    & skf18("3","10","7","8","8","6","1") = "9"
    & skf18("3","10","7","8","8","7","1") = "9"
    & skf18("3","10","7","8","8","8","1") = "9"
    & skf18("3","10","7","8","8","9","1") = "9"
    & skf18("3","10","7","8","8","10","1") = "9"
    & skf18("3","10","7","8","9","1","1") = "9"
    & skf18("3","10","7","8","9","2","1") = "9"
    & skf18("3","10","7","8","9","3","1") = "9"
    & skf18("3","10","7","8","9","4","1") = "9"
    & skf18("3","10","7","8","9","5","1") = "9"
    & skf18("3","10","7","8","9","6","1") = "9"
    & skf18("3","10","7","8","9","7","1") = "9"
    & skf18("3","10","7","8","9","8","1") = "9"
    & skf18("3","10","7","8","9","9","1") = "9"
    & skf18("3","10","7","8","9","10","1") = "9"
    & skf18("3","10","7","8","10","1","1") = "9"
    & skf18("3","10","7","8","10","2","1") = "9"
    & skf18("3","10","7","8","10","3","1") = "9"
    & skf18("3","10","7","8","10","4","1") = "9"
    & skf18("3","10","7","8","10","5","1") = "9"
    & skf18("3","10","7","8","10","6","1") = "9"
    & skf18("3","10","7","8","10","7","1") = "9"
    & skf18("3","10","7","8","10","8","1") = "9"
    & skf18("3","10","7","8","10","9","1") = "9"
    & skf18("3","10","7","8","10","10","1") = "9"
    & skf18("3","10","7","9","1","1","1") = "9"
    & skf18("3","10","7","9","1","2","1") = "9"
    & skf18("3","10","7","9","1","3","1") = "9"
    & skf18("3","10","7","9","1","4","1") = "9"
    & skf18("3","10","7","9","1","5","1") = "9"
    & skf18("3","10","7","9","1","6","1") = "9"
    & skf18("3","10","7","9","1","7","1") = "9"
    & skf18("3","10","7","9","1","8","1") = "9"
    & skf18("3","10","7","9","1","9","1") = "9"
    & skf18("3","10","7","9","1","10","1") = "9"
    & skf18("3","10","7","9","2","1","1") = "9"
    & skf18("3","10","7","9","2","2","1") = "9"
    & skf18("3","10","7","9","2","3","1") = "9"
    & skf18("3","10","7","9","2","4","1") = "9"
    & skf18("3","10","7","9","2","5","1") = "9"
    & skf18("3","10","7","9","2","6","1") = "9"
    & skf18("3","10","7","9","2","7","1") = "9"
    & skf18("3","10","7","9","2","8","1") = "9"
    & skf18("3","10","7","9","2","9","1") = "9"
    & skf18("3","10","7","9","2","10","1") = "9"
    & skf18("3","10","7","9","3","1","1") = "9"
    & skf18("3","10","7","9","3","2","1") = "9"
    & skf18("3","10","7","9","3","3","1") = "9"
    & skf18("3","10","7","9","3","4","1") = "9"
    & skf18("3","10","7","9","3","5","1") = "9"
    & skf18("3","10","7","9","3","6","1") = "9"
    & skf18("3","10","7","9","3","7","1") = "9"
    & skf18("3","10","7","9","3","8","1") = "9"
    & skf18("3","10","7","9","3","9","1") = "9"
    & skf18("3","10","7","9","3","10","1") = "9"
    & skf18("3","10","7","9","4","1","1") = "9"
    & skf18("3","10","7","9","4","2","1") = "9"
    & skf18("3","10","7","9","4","3","1") = "9"
    & skf18("3","10","7","9","4","4","1") = "9"
    & skf18("3","10","7","9","4","5","1") = "9"
    & skf18("3","10","7","9","4","6","1") = "9"
    & skf18("3","10","7","9","4","7","1") = "9"
    & skf18("3","10","7","9","4","8","1") = "9"
    & skf18("3","10","7","9","4","9","1") = "9"
    & skf18("3","10","7","9","4","10","1") = "9"
    & skf18("3","10","7","9","5","1","1") = "9"
    & skf18("3","10","7","9","5","2","1") = "9"
    & skf18("3","10","7","9","5","3","1") = "9"
    & skf18("3","10","7","9","5","4","1") = "9"
    & skf18("3","10","7","9","5","5","1") = "9"
    & skf18("3","10","7","9","5","6","1") = "9"
    & skf18("3","10","7","9","5","7","1") = "9"
    & skf18("3","10","7","9","5","8","1") = "9"
    & skf18("3","10","7","9","5","9","1") = "9"
    & skf18("3","10","7","9","5","10","1") = "9"
    & skf18("3","10","7","9","6","1","1") = "9"
    & skf18("3","10","7","9","6","2","1") = "9"
    & skf18("3","10","7","9","6","3","1") = "9"
    & skf18("3","10","7","9","6","4","1") = "9"
    & skf18("3","10","7","9","6","5","1") = "9"
    & skf18("3","10","7","9","6","6","1") = "9"
    & skf18("3","10","7","9","6","7","1") = "9"
    & skf18("3","10","7","9","6","8","1") = "9"
    & skf18("3","10","7","9","6","9","1") = "9"
    & skf18("3","10","7","9","6","10","1") = "9"
    & skf18("3","10","7","9","7","1","1") = "9"
    & skf18("3","10","7","9","7","2","1") = "9"
    & skf18("3","10","7","9","7","3","1") = "9"
    & skf18("3","10","7","9","7","4","1") = "9"
    & skf18("3","10","7","9","7","5","1") = "9"
    & skf18("3","10","7","9","7","6","1") = "9"
    & skf18("3","10","7","9","7","7","1") = "9"
    & skf18("3","10","7","9","7","8","1") = "9"
    & skf18("3","10","7","9","7","9","1") = "9"
    & skf18("3","10","7","9","7","10","1") = "9"
    & skf18("3","10","7","9","8","1","1") = "9"
    & skf18("3","10","7","9","8","2","1") = "9"
    & skf18("3","10","7","9","8","3","1") = "9"
    & skf18("3","10","7","9","8","4","1") = "9"
    & skf18("3","10","7","9","8","5","1") = "9"
    & skf18("3","10","7","9","8","6","1") = "9"
    & skf18("3","10","7","9","8","7","1") = "9"
    & skf18("3","10","7","9","8","8","1") = "9"
    & skf18("3","10","7","9","8","9","1") = "9"
    & skf18("3","10","7","9","8","10","1") = "9"
    & skf18("3","10","7","9","9","1","1") = "9"
    & skf18("3","10","7","9","9","2","1") = "9"
    & skf18("3","10","7","9","9","3","1") = "9"
    & skf18("3","10","7","9","9","4","1") = "9"
    & skf18("3","10","7","9","9","5","1") = "9"
    & skf18("3","10","7","9","9","6","1") = "9"
    & skf18("3","10","7","9","9","7","1") = "9"
    & skf18("3","10","7","9","9","8","1") = "9"
    & skf18("3","10","7","9","9","9","1") = "9"
    & skf18("3","10","7","9","9","10","1") = "9"
    & skf18("3","10","7","9","10","1","1") = "9"
    & skf18("3","10","7","9","10","2","1") = "9"
    & skf18("3","10","7","9","10","3","1") = "9"
    & skf18("3","10","7","9","10","4","1") = "9"
    & skf18("3","10","7","9","10","5","1") = "9"
    & skf18("3","10","7","9","10","6","1") = "9"
    & skf18("3","10","7","9","10","7","1") = "9"
    & skf18("3","10","7","9","10","8","1") = "9"
    & skf18("3","10","7","9","10","9","1") = "9"
    & skf18("3","10","7","9","10","10","1") = "9"
    & skf18("3","10","7","10","1","1","1") = "9"
    & skf18("3","10","7","10","1","2","1") = "9"
    & skf18("3","10","7","10","1","3","1") = "9"
    & skf18("3","10","7","10","1","4","1") = "9"
    & skf18("3","10","7","10","1","5","1") = "9"
    & skf18("3","10","7","10","1","6","1") = "9"
    & skf18("3","10","7","10","1","7","1") = "9"
    & skf18("3","10","7","10","1","8","1") = "9"
    & skf18("3","10","7","10","1","9","1") = "9"
    & skf18("3","10","7","10","1","10","1") = "9"
    & skf18("3","10","7","10","2","1","1") = "9"
    & skf18("3","10","7","10","2","2","1") = "9"
    & skf18("3","10","7","10","2","3","1") = "9"
    & skf18("3","10","7","10","2","4","1") = "9"
    & skf18("3","10","7","10","2","5","1") = "9"
    & skf18("3","10","7","10","2","6","1") = "9"
    & skf18("3","10","7","10","2","7","1") = "9"
    & skf18("3","10","7","10","2","8","1") = "9"
    & skf18("3","10","7","10","2","9","1") = "9"
    & skf18("3","10","7","10","2","10","1") = "9"
    & skf18("3","10","7","10","3","1","1") = "9"
    & skf18("3","10","7","10","3","2","1") = "9"
    & skf18("3","10","7","10","3","3","1") = "9"
    & skf18("3","10","7","10","3","4","1") = "9"
    & skf18("3","10","7","10","3","5","1") = "9"
    & skf18("3","10","7","10","3","6","1") = "9"
    & skf18("3","10","7","10","3","7","1") = "9"
    & skf18("3","10","7","10","3","8","1") = "9"
    & skf18("3","10","7","10","3","9","1") = "9"
    & skf18("3","10","7","10","3","10","1") = "9"
    & skf18("3","10","7","10","4","1","1") = "9"
    & skf18("3","10","7","10","4","2","1") = "9"
    & skf18("3","10","7","10","4","3","1") = "9"
    & skf18("3","10","7","10","4","4","1") = "9"
    & skf18("3","10","7","10","4","5","1") = "9"
    & skf18("3","10","7","10","4","6","1") = "9"
    & skf18("3","10","7","10","4","7","1") = "9"
    & skf18("3","10","7","10","4","8","1") = "9"
    & skf18("3","10","7","10","4","9","1") = "9"
    & skf18("3","10","7","10","4","10","1") = "9"
    & skf18("3","10","7","10","5","1","1") = "9"
    & skf18("3","10","7","10","5","2","1") = "9"
    & skf18("3","10","7","10","5","3","1") = "9"
    & skf18("3","10","7","10","5","4","1") = "9"
    & skf18("3","10","7","10","5","5","1") = "9"
    & skf18("3","10","7","10","5","6","1") = "9"
    & skf18("3","10","7","10","5","7","1") = "9"
    & skf18("3","10","7","10","5","8","1") = "9"
    & skf18("3","10","7","10","5","9","1") = "9"
    & skf18("3","10","7","10","5","10","1") = "9"
    & skf18("3","10","7","10","6","1","1") = "9"
    & skf18("3","10","7","10","6","2","1") = "9"
    & skf18("3","10","7","10","6","3","1") = "9"
    & skf18("3","10","7","10","6","4","1") = "9"
    & skf18("3","10","7","10","6","5","1") = "9"
    & skf18("3","10","7","10","6","6","1") = "9"
    & skf18("3","10","7","10","6","7","1") = "9"
    & skf18("3","10","7","10","6","8","1") = "9"
    & skf18("3","10","7","10","6","9","1") = "9"
    & skf18("3","10","7","10","6","10","1") = "9"
    & skf18("3","10","7","10","7","1","1") = "9"
    & skf18("3","10","7","10","7","2","1") = "9"
    & skf18("3","10","7","10","7","3","1") = "9"
    & skf18("3","10","7","10","7","4","1") = "9"
    & skf18("3","10","7","10","7","5","1") = "9"
    & skf18("3","10","7","10","7","6","1") = "9"
    & skf18("3","10","7","10","7","7","1") = "9"
    & skf18("3","10","7","10","7","8","1") = "9"
    & skf18("3","10","7","10","7","9","1") = "9"
    & skf18("3","10","7","10","7","10","1") = "9"
    & skf18("3","10","7","10","8","1","1") = "9"
    & skf18("3","10","7","10","8","2","1") = "9"
    & skf18("3","10","7","10","8","3","1") = "9"
    & skf18("3","10","7","10","8","4","1") = "9"
    & skf18("3","10","7","10","8","5","1") = "9"
    & skf18("3","10","7","10","8","6","1") = "9"
    & skf18("3","10","7","10","8","7","1") = "9"
    & skf18("3","10","7","10","8","8","1") = "9"
    & skf18("3","10","7","10","8","9","1") = "9"
    & skf18("3","10","7","10","8","10","1") = "9"
    & skf18("3","10","7","10","9","1","1") = "9"
    & skf18("3","10","7","10","9","2","1") = "9"
    & skf18("3","10","7","10","9","3","1") = "9"
    & skf18("3","10","7","10","9","4","1") = "9"
    & skf18("3","10","7","10","9","5","1") = "9"
    & skf18("3","10","7","10","9","6","1") = "9"
    & skf18("3","10","7","10","9","7","1") = "9"
    & skf18("3","10","7","10","9","8","1") = "9"
    & skf18("3","10","7","10","9","9","1") = "9"
    & skf18("3","10","7","10","9","10","1") = "9"
    & skf18("3","10","7","10","10","1","1") = "9"
    & skf18("3","10","7","10","10","2","1") = "9"
    & skf18("3","10","7","10","10","3","1") = "9"
    & skf18("3","10","7","10","10","4","1") = "9"
    & skf18("3","10","7","10","10","5","1") = "9"
    & skf18("3","10","7","10","10","6","1") = "9"
    & skf18("3","10","7","10","10","7","1") = "9"
    & skf18("3","10","7","10","10","8","1") = "9"
    & skf18("3","10","7","10","10","9","1") = "9"
    & skf18("3","10","7","10","10","10","1") = "9"
    & skf18("3","10","8","1","1","1","1") = "9"
    & skf18("3","10","8","1","1","2","1") = "9"
    & skf18("3","10","8","1","1","3","1") = "9"
    & skf18("3","10","8","1","1","4","1") = "9"
    & skf18("3","10","8","1","1","5","1") = "9"
    & skf18("3","10","8","1","1","6","1") = "9"
    & skf18("3","10","8","1","1","7","1") = "9"
    & skf18("3","10","8","1","1","8","1") = "9"
    & skf18("3","10","8","1","1","9","1") = "9"
    & skf18("3","10","8","1","1","10","1") = "9"
    & skf18("3","10","8","1","2","1","1") = "9"
    & skf18("3","10","8","1","2","2","1") = "9"
    & skf18("3","10","8","1","2","3","1") = "9"
    & skf18("3","10","8","1","2","4","1") = "9"
    & skf18("3","10","8","1","2","5","1") = "9"
    & skf18("3","10","8","1","2","6","1") = "9"
    & skf18("3","10","8","1","2","7","1") = "9"
    & skf18("3","10","8","1","2","8","1") = "9"
    & skf18("3","10","8","1","2","9","1") = "9"
    & skf18("3","10","8","1","2","10","1") = "9"
    & skf18("3","10","8","1","3","1","1") = "9"
    & skf18("3","10","8","1","3","2","1") = "9"
    & skf18("3","10","8","1","3","3","1") = "9"
    & skf18("3","10","8","1","3","4","1") = "9"
    & skf18("3","10","8","1","3","5","1") = "9"
    & skf18("3","10","8","1","3","6","1") = "9"
    & skf18("3","10","8","1","3","7","1") = "9"
    & skf18("3","10","8","1","3","8","1") = "9"
    & skf18("3","10","8","1","3","9","1") = "9"
    & skf18("3","10","8","1","3","10","1") = "9"
    & skf18("3","10","8","1","4","1","1") = "9"
    & skf18("3","10","8","1","4","2","1") = "9"
    & skf18("3","10","8","1","4","3","1") = "9"
    & skf18("3","10","8","1","4","4","1") = "9"
    & skf18("3","10","8","1","4","5","1") = "9"
    & skf18("3","10","8","1","4","6","1") = "9"
    & skf18("3","10","8","1","4","7","1") = "9"
    & skf18("3","10","8","1","4","8","1") = "9"
    & skf18("3","10","8","1","4","9","1") = "9"
    & skf18("3","10","8","1","4","10","1") = "9"
    & skf18("3","10","8","1","5","1","1") = "9"
    & skf18("3","10","8","1","5","2","1") = "9"
    & skf18("3","10","8","1","5","3","1") = "9"
    & skf18("3","10","8","1","5","4","1") = "9"
    & skf18("3","10","8","1","5","5","1") = "9"
    & skf18("3","10","8","1","5","6","1") = "9"
    & skf18("3","10","8","1","5","7","1") = "9"
    & skf18("3","10","8","1","5","8","1") = "9"
    & skf18("3","10","8","1","5","9","1") = "9"
    & skf18("3","10","8","1","5","10","1") = "9"
    & skf18("3","10","8","1","6","1","1") = "9"
    & skf18("3","10","8","1","6","2","1") = "9"
    & skf18("3","10","8","1","6","3","1") = "9"
    & skf18("3","10","8","1","6","4","1") = "9"
    & skf18("3","10","8","1","6","5","1") = "9"
    & skf18("3","10","8","1","6","6","1") = "9"
    & skf18("3","10","8","1","6","7","1") = "9"
    & skf18("3","10","8","1","6","8","1") = "9"
    & skf18("3","10","8","1","6","9","1") = "9"
    & skf18("3","10","8","1","6","10","1") = "9"
    & skf18("3","10","8","1","7","1","1") = "9"
    & skf18("3","10","8","1","7","2","1") = "9"
    & skf18("3","10","8","1","7","3","1") = "9"
    & skf18("3","10","8","1","7","4","1") = "9"
    & skf18("3","10","8","1","7","5","1") = "9"
    & skf18("3","10","8","1","7","6","1") = "9"
    & skf18("3","10","8","1","7","7","1") = "9"
    & skf18("3","10","8","1","7","8","1") = "9"
    & skf18("3","10","8","1","7","9","1") = "9"
    & skf18("3","10","8","1","7","10","1") = "9"
    & skf18("3","10","8","1","8","1","1") = "9"
    & skf18("3","10","8","1","8","2","1") = "9"
    & skf18("3","10","8","1","8","3","1") = "9"
    & skf18("3","10","8","1","8","4","1") = "9"
    & skf18("3","10","8","1","8","5","1") = "9"
    & skf18("3","10","8","1","8","6","1") = "9"
    & skf18("3","10","8","1","8","7","1") = "9"
    & skf18("3","10","8","1","8","8","1") = "9"
    & skf18("3","10","8","1","8","9","1") = "9"
    & skf18("3","10","8","1","8","10","1") = "9"
    & skf18("3","10","8","1","9","1","1") = "9"
    & skf18("3","10","8","1","9","2","1") = "9"
    & skf18("3","10","8","1","9","3","1") = "9"
    & skf18("3","10","8","1","9","4","1") = "9"
    & skf18("3","10","8","1","9","5","1") = "9"
    & skf18("3","10","8","1","9","6","1") = "9"
    & skf18("3","10","8","1","9","7","1") = "9"
    & skf18("3","10","8","1","9","8","1") = "9"
    & skf18("3","10","8","1","9","9","1") = "9"
    & skf18("3","10","8","1","9","10","1") = "9"
    & skf18("3","10","8","1","10","1","1") = "9"
    & skf18("3","10","8","1","10","2","1") = "9"
    & skf18("3","10","8","1","10","3","1") = "9"
    & skf18("3","10","8","1","10","4","1") = "9"
    & skf18("3","10","8","1","10","5","1") = "9"
    & skf18("3","10","8","1","10","6","1") = "9"
    & skf18("3","10","8","1","10","7","1") = "9"
    & skf18("3","10","8","1","10","8","1") = "9"
    & skf18("3","10","8","1","10","9","1") = "9"
    & skf18("3","10","8","1","10","10","1") = "9"
    & skf18("3","10","8","2","1","1","1") = "9"
    & skf18("3","10","8","2","1","2","1") = "9"
    & skf18("3","10","8","2","1","3","1") = "9"
    & skf18("3","10","8","2","1","4","1") = "9"
    & skf18("3","10","8","2","1","5","1") = "9"
    & skf18("3","10","8","2","1","6","1") = "9"
    & skf18("3","10","8","2","1","7","1") = "9"
    & skf18("3","10","8","2","1","8","1") = "9"
    & skf18("3","10","8","2","1","9","1") = "9"
    & skf18("3","10","8","2","1","10","1") = "9"
    & skf18("3","10","8","2","2","1","1") = "9"
    & skf18("3","10","8","2","2","2","1") = "9"
    & skf18("3","10","8","2","2","3","1") = "9"
    & skf18("3","10","8","2","2","4","1") = "9"
    & skf18("3","10","8","2","2","5","1") = "9"
    & skf18("3","10","8","2","2","6","1") = "9"
    & skf18("3","10","8","2","2","7","1") = "9"
    & skf18("3","10","8","2","2","8","1") = "9"
    & skf18("3","10","8","2","2","9","1") = "9"
    & skf18("3","10","8","2","2","10","1") = "9"
    & skf18("3","10","8","2","3","1","1") = "9"
    & skf18("3","10","8","2","3","2","1") = "9"
    & skf18("3","10","8","2","3","3","1") = "9"
    & skf18("3","10","8","2","3","4","1") = "9"
    & skf18("3","10","8","2","3","5","1") = "9"
    & skf18("3","10","8","2","3","6","1") = "9"
    & skf18("3","10","8","2","3","7","1") = "9"
    & skf18("3","10","8","2","3","8","1") = "9"
    & skf18("3","10","8","2","3","9","1") = "9"
    & skf18("3","10","8","2","3","10","1") = "9"
    & skf18("3","10","8","2","4","1","1") = "9"
    & skf18("3","10","8","2","4","2","1") = "9"
    & skf18("3","10","8","2","4","3","1") = "9"
    & skf18("3","10","8","2","4","4","1") = "9"
    & skf18("3","10","8","2","4","5","1") = "9"
    & skf18("3","10","8","2","4","6","1") = "9"
    & skf18("3","10","8","2","4","7","1") = "9"
    & skf18("3","10","8","2","4","8","1") = "9"
    & skf18("3","10","8","2","4","9","1") = "9"
    & skf18("3","10","8","2","4","10","1") = "9"
    & skf18("3","10","8","2","5","1","1") = "9"
    & skf18("3","10","8","2","5","2","1") = "9"
    & skf18("3","10","8","2","5","3","1") = "9"
    & skf18("3","10","8","2","5","4","1") = "9"
    & skf18("3","10","8","2","5","5","1") = "9"
    & skf18("3","10","8","2","5","6","1") = "9"
    & skf18("3","10","8","2","5","7","1") = "9"
    & skf18("3","10","8","2","5","8","1") = "9"
    & skf18("3","10","8","2","5","9","1") = "9"
    & skf18("3","10","8","2","5","10","1") = "9"
    & skf18("3","10","8","2","6","1","1") = "9"
    & skf18("3","10","8","2","6","2","1") = "9"
    & skf18("3","10","8","2","6","3","1") = "9"
    & skf18("3","10","8","2","6","4","1") = "9"
    & skf18("3","10","8","2","6","5","1") = "9"
    & skf18("3","10","8","2","6","6","1") = "9"
    & skf18("3","10","8","2","6","7","1") = "9"
    & skf18("3","10","8","2","6","8","1") = "9"
    & skf18("3","10","8","2","6","9","1") = "9"
    & skf18("3","10","8","2","6","10","1") = "9"
    & skf18("3","10","8","2","7","1","1") = "9"
    & skf18("3","10","8","2","7","2","1") = "9"
    & skf18("3","10","8","2","7","3","1") = "9"
    & skf18("3","10","8","2","7","4","1") = "9"
    & skf18("3","10","8","2","7","5","1") = "9"
    & skf18("3","10","8","2","7","6","1") = "9"
    & skf18("3","10","8","2","7","7","1") = "9"
    & skf18("3","10","8","2","7","8","1") = "9"
    & skf18("3","10","8","2","7","9","1") = "9"
    & skf18("3","10","8","2","7","10","1") = "9"
    & skf18("3","10","8","2","8","1","1") = "9"
    & skf18("3","10","8","2","8","2","1") = "9"
    & skf18("3","10","8","2","8","3","1") = "9"
    & skf18("3","10","8","2","8","4","1") = "9"
    & skf18("3","10","8","2","8","5","1") = "9"
    & skf18("3","10","8","2","8","6","1") = "9"
    & skf18("3","10","8","2","8","7","1") = "9"
    & skf18("3","10","8","2","8","8","1") = "9"
    & skf18("3","10","8","2","8","9","1") = "9"
    & skf18("3","10","8","2","8","10","1") = "9"
    & skf18("3","10","8","2","9","1","1") = "9"
    & skf18("3","10","8","2","9","2","1") = "9"
    & skf18("3","10","8","2","9","3","1") = "9"
    & skf18("3","10","8","2","9","4","1") = "9"
    & skf18("3","10","8","2","9","5","1") = "9"
    & skf18("3","10","8","2","9","6","1") = "9"
    & skf18("3","10","8","2","9","7","1") = "9"
    & skf18("3","10","8","2","9","8","1") = "9"
    & skf18("3","10","8","2","9","9","1") = "9"
    & skf18("3","10","8","2","9","10","1") = "9"
    & skf18("3","10","8","2","10","1","1") = "9"
    & skf18("3","10","8","2","10","2","1") = "9"
    & skf18("3","10","8","2","10","3","1") = "9"
    & skf18("3","10","8","2","10","4","1") = "9"
    & skf18("3","10","8","2","10","5","1") = "9"
    & skf18("3","10","8","2","10","6","1") = "9"
    & skf18("3","10","8","2","10","7","1") = "9"
    & skf18("3","10","8","2","10","8","1") = "9"
    & skf18("3","10","8","2","10","9","1") = "9"
    & skf18("3","10","8","2","10","10","1") = "9"
    & skf18("3","10","8","3","1","1","1") = "9"
    & skf18("3","10","8","3","1","2","1") = "9"
    & skf18("3","10","8","3","1","3","1") = "9"
    & skf18("3","10","8","3","1","4","1") = "9"
    & skf18("3","10","8","3","1","5","1") = "9"
    & skf18("3","10","8","3","1","6","1") = "9"
    & skf18("3","10","8","3","1","7","1") = "9"
    & skf18("3","10","8","3","1","8","1") = "9"
    & skf18("3","10","8","3","1","9","1") = "9"
    & skf18("3","10","8","3","1","10","1") = "9"
    & skf18("3","10","8","3","2","1","1") = "9"
    & skf18("3","10","8","3","2","2","1") = "9"
    & skf18("3","10","8","3","2","3","1") = "9"
    & skf18("3","10","8","3","2","4","1") = "9"
    & skf18("3","10","8","3","2","5","1") = "9"
    & skf18("3","10","8","3","2","6","1") = "9"
    & skf18("3","10","8","3","2","7","1") = "9"
    & skf18("3","10","8","3","2","8","1") = "9"
    & skf18("3","10","8","3","2","9","1") = "9"
    & skf18("3","10","8","3","2","10","1") = "9"
    & skf18("3","10","8","3","3","1","1") = "9"
    & skf18("3","10","8","3","3","2","1") = "9"
    & skf18("3","10","8","3","3","3","1") = "9"
    & skf18("3","10","8","3","3","4","1") = "9"
    & skf18("3","10","8","3","3","5","1") = "9"
    & skf18("3","10","8","3","3","6","1") = "9"
    & skf18("3","10","8","3","3","7","1") = "9"
    & skf18("3","10","8","3","3","8","1") = "9"
    & skf18("3","10","8","3","3","9","1") = "9"
    & skf18("3","10","8","3","3","10","1") = "9"
    & skf18("3","10","8","3","4","1","1") = "9"
    & skf18("3","10","8","3","4","2","1") = "9"
    & skf18("3","10","8","3","4","3","1") = "9"
    & skf18("3","10","8","3","4","4","1") = "9"
    & skf18("3","10","8","3","4","5","1") = "9"
    & skf18("3","10","8","3","4","6","1") = "9"
    & skf18("3","10","8","3","4","7","1") = "9"
    & skf18("3","10","8","3","4","8","1") = "9"
    & skf18("3","10","8","3","4","9","1") = "9"
    & skf18("3","10","8","3","4","10","1") = "9"
    & skf18("3","10","8","3","5","1","1") = "9"
    & skf18("3","10","8","3","5","2","1") = "9"
    & skf18("3","10","8","3","5","3","1") = "9"
    & skf18("3","10","8","3","5","4","1") = "9"
    & skf18("3","10","8","3","5","5","1") = "9"
    & skf18("3","10","8","3","5","6","1") = "9"
    & skf18("3","10","8","3","5","7","1") = "9"
    & skf18("3","10","8","3","5","8","1") = "9"
    & skf18("3","10","8","3","5","9","1") = "9"
    & skf18("3","10","8","3","5","10","1") = "9"
    & skf18("3","10","8","3","6","1","1") = "9"
    & skf18("3","10","8","3","6","2","1") = "9"
    & skf18("3","10","8","3","6","3","1") = "9"
    & skf18("3","10","8","3","6","4","1") = "9"
    & skf18("3","10","8","3","6","5","1") = "9"
    & skf18("3","10","8","3","6","6","1") = "9"
    & skf18("3","10","8","3","6","7","1") = "9"
    & skf18("3","10","8","3","6","8","1") = "9"
    & skf18("3","10","8","3","6","9","1") = "9"
    & skf18("3","10","8","3","6","10","1") = "9"
    & skf18("3","10","8","3","7","1","1") = "9"
    & skf18("3","10","8","3","7","2","1") = "9"
    & skf18("3","10","8","3","7","3","1") = "9"
    & skf18("3","10","8","3","7","4","1") = "9"
    & skf18("3","10","8","3","7","5","1") = "9"
    & skf18("3","10","8","3","7","6","1") = "9"
    & skf18("3","10","8","3","7","7","1") = "9"
    & skf18("3","10","8","3","7","8","1") = "9"
    & skf18("3","10","8","3","7","9","1") = "9"
    & skf18("3","10","8","3","7","10","1") = "9"
    & skf18("3","10","8","3","8","1","1") = "9"
    & skf18("3","10","8","3","8","2","1") = "9"
    & skf18("3","10","8","3","8","3","1") = "9"
    & skf18("3","10","8","3","8","4","1") = "9"
    & skf18("3","10","8","3","8","5","1") = "9"
    & skf18("3","10","8","3","8","6","1") = "9"
    & skf18("3","10","8","3","8","7","1") = "9"
    & skf18("3","10","8","3","8","8","1") = "9"
    & skf18("3","10","8","3","8","9","1") = "9"
    & skf18("3","10","8","3","8","10","1") = "9"
    & skf18("3","10","8","3","9","1","1") = "9"
    & skf18("3","10","8","3","9","2","1") = "9"
    & skf18("3","10","8","3","9","3","1") = "9"
    & skf18("3","10","8","3","9","4","1") = "9"
    & skf18("3","10","8","3","9","5","1") = "9"
    & skf18("3","10","8","3","9","6","1") = "9"
    & skf18("3","10","8","3","9","7","1") = "9"
    & skf18("3","10","8","3","9","8","1") = "9"
    & skf18("3","10","8","3","9","9","1") = "9"
    & skf18("3","10","8","3","9","10","1") = "9"
    & skf18("3","10","8","3","10","1","1") = "9"
    & skf18("3","10","8","3","10","2","1") = "9"
    & skf18("3","10","8","3","10","3","1") = "9"
    & skf18("3","10","8","3","10","4","1") = "9"
    & skf18("3","10","8","3","10","5","1") = "9"
    & skf18("3","10","8","3","10","6","1") = "9"
    & skf18("3","10","8","3","10","7","1") = "9"
    & skf18("3","10","8","3","10","8","1") = "9"
    & skf18("3","10","8","3","10","9","1") = "9"
    & skf18("3","10","8","3","10","10","1") = "9"
    & skf18("3","10","8","4","1","1","1") = "9"
    & skf18("3","10","8","4","1","2","1") = "9"
    & skf18("3","10","8","4","1","3","1") = "9"
    & skf18("3","10","8","4","1","4","1") = "9"
    & skf18("3","10","8","4","1","5","1") = "9"
    & skf18("3","10","8","4","1","6","1") = "9"
    & skf18("3","10","8","4","1","7","1") = "9"
    & skf18("3","10","8","4","1","8","1") = "9"
    & skf18("3","10","8","4","1","9","1") = "9"
    & skf18("3","10","8","4","1","10","1") = "9"
    & skf18("3","10","8","4","2","1","1") = "9"
    & skf18("3","10","8","4","2","2","1") = "9"
    & skf18("3","10","8","4","2","3","1") = "9"
    & skf18("3","10","8","4","2","4","1") = "9"
    & skf18("3","10","8","4","2","5","1") = "9"
    & skf18("3","10","8","4","2","6","1") = "9"
    & skf18("3","10","8","4","2","7","1") = "9"
    & skf18("3","10","8","4","2","8","1") = "9"
    & skf18("3","10","8","4","2","9","1") = "9"
    & skf18("3","10","8","4","2","10","1") = "9"
    & skf18("3","10","8","4","3","1","1") = "9"
    & skf18("3","10","8","4","3","2","1") = "9"
    & skf18("3","10","8","4","3","3","1") = "9"
    & skf18("3","10","8","4","3","4","1") = "9"
    & skf18("3","10","8","4","3","5","1") = "9"
    & skf18("3","10","8","4","3","6","1") = "9"
    & skf18("3","10","8","4","3","7","1") = "9"
    & skf18("3","10","8","4","3","8","1") = "9"
    & skf18("3","10","8","4","3","9","1") = "9"
    & skf18("3","10","8","4","3","10","1") = "9"
    & skf18("3","10","8","4","4","1","1") = "9"
    & skf18("3","10","8","4","4","2","1") = "9"
    & skf18("3","10","8","4","4","3","1") = "9"
    & skf18("3","10","8","4","4","4","1") = "9"
    & skf18("3","10","8","4","4","5","1") = "9"
    & skf18("3","10","8","4","4","6","1") = "9"
    & skf18("3","10","8","4","4","7","1") = "9"
    & skf18("3","10","8","4","4","8","1") = "9"
    & skf18("3","10","8","4","4","9","1") = "9"
    & skf18("3","10","8","4","4","10","1") = "9"
    & skf18("3","10","8","4","5","1","1") = "9"
    & skf18("3","10","8","4","5","2","1") = "9"
    & skf18("3","10","8","4","5","3","1") = "9"
    & skf18("3","10","8","4","5","4","1") = "9"
    & skf18("3","10","8","4","5","5","1") = "9"
    & skf18("3","10","8","4","5","6","1") = "9"
    & skf18("3","10","8","4","5","7","1") = "9"
    & skf18("3","10","8","4","5","8","1") = "9"
    & skf18("3","10","8","4","5","9","1") = "9"
    & skf18("3","10","8","4","5","10","1") = "9"
    & skf18("3","10","8","4","6","1","1") = "9"
    & skf18("3","10","8","4","6","2","1") = "9"
    & skf18("3","10","8","4","6","3","1") = "9"
    & skf18("3","10","8","4","6","4","1") = "9"
    & skf18("3","10","8","4","6","5","1") = "9"
    & skf18("3","10","8","4","6","6","1") = "9"
    & skf18("3","10","8","4","6","7","1") = "9"
    & skf18("3","10","8","4","6","8","1") = "9"
    & skf18("3","10","8","4","6","9","1") = "9"
    & skf18("3","10","8","4","6","10","1") = "9"
    & skf18("3","10","8","4","7","1","1") = "9"
    & skf18("3","10","8","4","7","2","1") = "9"
    & skf18("3","10","8","4","7","3","1") = "9"
    & skf18("3","10","8","4","7","4","1") = "9"
    & skf18("3","10","8","4","7","5","1") = "9"
    & skf18("3","10","8","4","7","6","1") = "9"
    & skf18("3","10","8","4","7","7","1") = "9"
    & skf18("3","10","8","4","7","8","1") = "9"
    & skf18("3","10","8","4","7","9","1") = "9"
    & skf18("3","10","8","4","7","10","1") = "9"
    & skf18("3","10","8","4","8","1","1") = "9"
    & skf18("3","10","8","4","8","2","1") = "9"
    & skf18("3","10","8","4","8","3","1") = "9"
    & skf18("3","10","8","4","8","4","1") = "9"
    & skf18("3","10","8","4","8","5","1") = "9"
    & skf18("3","10","8","4","8","6","1") = "9"
    & skf18("3","10","8","4","8","7","1") = "9"
    & skf18("3","10","8","4","8","8","1") = "9"
    & skf18("3","10","8","4","8","9","1") = "9"
    & skf18("3","10","8","4","8","10","1") = "9"
    & skf18("3","10","8","4","9","1","1") = "9"
    & skf18("3","10","8","4","9","2","1") = "9"
    & skf18("3","10","8","4","9","3","1") = "9"
    & skf18("3","10","8","4","9","4","1") = "9"
    & skf18("3","10","8","4","9","5","1") = "9"
    & skf18("3","10","8","4","9","6","1") = "9"
    & skf18("3","10","8","4","9","7","1") = "9"
    & skf18("3","10","8","4","9","8","1") = "9"
    & skf18("3","10","8","4","9","9","1") = "9"
    & skf18("3","10","8","4","9","10","1") = "9"
    & skf18("3","10","8","4","10","1","1") = "9"
    & skf18("3","10","8","4","10","2","1") = "9"
    & skf18("3","10","8","4","10","3","1") = "9"
    & skf18("3","10","8","4","10","4","1") = "9"
    & skf18("3","10","8","4","10","5","1") = "9"
    & skf18("3","10","8","4","10","6","1") = "9"
    & skf18("3","10","8","4","10","7","1") = "9"
    & skf18("3","10","8","4","10","8","1") = "9"
    & skf18("3","10","8","4","10","9","1") = "9"
    & skf18("3","10","8","4","10","10","1") = "9"
    & skf18("3","10","8","5","1","1","1") = "9"
    & skf18("3","10","8","5","1","2","1") = "9"
    & skf18("3","10","8","5","1","3","1") = "9"
    & skf18("3","10","8","5","1","4","1") = "9"
    & skf18("3","10","8","5","1","5","1") = "9"
    & skf18("3","10","8","5","1","6","1") = "9"
    & skf18("3","10","8","5","1","7","1") = "9"
    & skf18("3","10","8","5","1","8","1") = "9"
    & skf18("3","10","8","5","1","9","1") = "9"
    & skf18("3","10","8","5","1","10","1") = "9"
    & skf18("3","10","8","5","2","1","1") = "9"
    & skf18("3","10","8","5","2","2","1") = "9"
    & skf18("3","10","8","5","2","3","1") = "9"
    & skf18("3","10","8","5","2","4","1") = "9"
    & skf18("3","10","8","5","2","5","1") = "9"
    & skf18("3","10","8","5","2","6","1") = "9"
    & skf18("3","10","8","5","2","7","1") = "9"
    & skf18("3","10","8","5","2","8","1") = "9"
    & skf18("3","10","8","5","2","9","1") = "9"
    & skf18("3","10","8","5","2","10","1") = "9"
    & skf18("3","10","8","5","3","1","1") = "9"
    & skf18("3","10","8","5","3","2","1") = "9"
    & skf18("3","10","8","5","3","3","1") = "9"
    & skf18("3","10","8","5","3","4","1") = "9"
    & skf18("3","10","8","5","3","5","1") = "9"
    & skf18("3","10","8","5","3","6","1") = "9"
    & skf18("3","10","8","5","3","7","1") = "9"
    & skf18("3","10","8","5","3","8","1") = "9"
    & skf18("3","10","8","5","3","9","1") = "9"
    & skf18("3","10","8","5","3","10","1") = "9"
    & skf18("3","10","8","5","4","1","1") = "9"
    & skf18("3","10","8","5","4","2","1") = "9"
    & skf18("3","10","8","5","4","3","1") = "9"
    & skf18("3","10","8","5","4","4","1") = "9"
    & skf18("3","10","8","5","4","5","1") = "9"
    & skf18("3","10","8","5","4","6","1") = "9"
    & skf18("3","10","8","5","4","7","1") = "9"
    & skf18("3","10","8","5","4","8","1") = "9"
    & skf18("3","10","8","5","4","9","1") = "9"
    & skf18("3","10","8","5","4","10","1") = "9"
    & skf18("3","10","8","5","5","1","1") = "9"
    & skf18("3","10","8","5","5","2","1") = "9"
    & skf18("3","10","8","5","5","3","1") = "9"
    & skf18("3","10","8","5","5","4","1") = "9"
    & skf18("3","10","8","5","5","5","1") = "9"
    & skf18("3","10","8","5","5","6","1") = "9"
    & skf18("3","10","8","5","5","7","1") = "9"
    & skf18("3","10","8","5","5","8","1") = "9"
    & skf18("3","10","8","5","5","9","1") = "9"
    & skf18("3","10","8","5","5","10","1") = "9"
    & skf18("3","10","8","5","6","1","1") = "9"
    & skf18("3","10","8","5","6","2","1") = "9"
    & skf18("3","10","8","5","6","3","1") = "9"
    & skf18("3","10","8","5","6","4","1") = "9"
    & skf18("3","10","8","5","6","5","1") = "9"
    & skf18("3","10","8","5","6","6","1") = "9"
    & skf18("3","10","8","5","6","7","1") = "9"
    & skf18("3","10","8","5","6","8","1") = "9"
    & skf18("3","10","8","5","6","9","1") = "9"
    & skf18("3","10","8","5","6","10","1") = "9"
    & skf18("3","10","8","5","7","1","1") = "9"
    & skf18("3","10","8","5","7","2","1") = "9"
    & skf18("3","10","8","5","7","3","1") = "9"
    & skf18("3","10","8","5","7","4","1") = "9"
    & skf18("3","10","8","5","7","5","1") = "9"
    & skf18("3","10","8","5","7","6","1") = "9"
    & skf18("3","10","8","5","7","7","1") = "9"
    & skf18("3","10","8","5","7","8","1") = "9"
    & skf18("3","10","8","5","7","9","1") = "9"
    & skf18("3","10","8","5","7","10","1") = "9"
    & skf18("3","10","8","5","8","1","1") = "9"
    & skf18("3","10","8","5","8","2","1") = "9"
    & skf18("3","10","8","5","8","3","1") = "9"
    & skf18("3","10","8","5","8","4","1") = "9"
    & skf18("3","10","8","5","8","5","1") = "9"
    & skf18("3","10","8","5","8","6","1") = "9"
    & skf18("3","10","8","5","8","7","1") = "9"
    & skf18("3","10","8","5","8","8","1") = "9"
    & skf18("3","10","8","5","8","9","1") = "9"
    & skf18("3","10","8","5","8","10","1") = "9"
    & skf18("3","10","8","5","9","1","1") = "9"
    & skf18("3","10","8","5","9","2","1") = "9"
    & skf18("3","10","8","5","9","3","1") = "9"
    & skf18("3","10","8","5","9","4","1") = "9"
    & skf18("3","10","8","5","9","5","1") = "9"
    & skf18("3","10","8","5","9","6","1") = "9"
    & skf18("3","10","8","5","9","7","1") = "9"
    & skf18("3","10","8","5","9","8","1") = "9"
    & skf18("3","10","8","5","9","9","1") = "9"
    & skf18("3","10","8","5","9","10","1") = "9"
    & skf18("3","10","8","5","10","1","1") = "9"
    & skf18("3","10","8","5","10","2","1") = "9"
    & skf18("3","10","8","5","10","3","1") = "9"
    & skf18("3","10","8","5","10","4","1") = "9"
    & skf18("3","10","8","5","10","5","1") = "9"
    & skf18("3","10","8","5","10","6","1") = "9"
    & skf18("3","10","8","5","10","7","1") = "9"
    & skf18("3","10","8","5","10","8","1") = "9"
    & skf18("3","10","8","5","10","9","1") = "9"
    & skf18("3","10","8","5","10","10","1") = "9"
    & skf18("3","10","8","6","1","1","1") = "9"
    & skf18("3","10","8","6","1","2","1") = "9"
    & skf18("3","10","8","6","1","3","1") = "9"
    & skf18("3","10","8","6","1","4","1") = "9"
    & skf18("3","10","8","6","1","5","1") = "9"
    & skf18("3","10","8","6","1","6","1") = "9"
    & skf18("3","10","8","6","1","7","1") = "9"
    & skf18("3","10","8","6","1","8","1") = "9"
    & skf18("3","10","8","6","1","9","1") = "9"
    & skf18("3","10","8","6","1","10","1") = "9"
    & skf18("3","10","8","6","2","1","1") = "9"
    & skf18("3","10","8","6","2","2","1") = "9"
    & skf18("3","10","8","6","2","3","1") = "9"
    & skf18("3","10","8","6","2","4","1") = "9"
    & skf18("3","10","8","6","2","5","1") = "9"
    & skf18("3","10","8","6","2","6","1") = "9"
    & skf18("3","10","8","6","2","7","1") = "9"
    & skf18("3","10","8","6","2","8","1") = "9"
    & skf18("3","10","8","6","2","9","1") = "9"
    & skf18("3","10","8","6","2","10","1") = "9"
    & skf18("3","10","8","6","3","1","1") = "9"
    & skf18("3","10","8","6","3","2","1") = "9"
    & skf18("3","10","8","6","3","3","1") = "9"
    & skf18("3","10","8","6","3","4","1") = "9"
    & skf18("3","10","8","6","3","5","1") = "9"
    & skf18("3","10","8","6","3","6","1") = "9"
    & skf18("3","10","8","6","3","7","1") = "9"
    & skf18("3","10","8","6","3","8","1") = "9"
    & skf18("3","10","8","6","3","9","1") = "9"
    & skf18("3","10","8","6","3","10","1") = "9"
    & skf18("3","10","8","6","4","1","1") = "9"
    & skf18("3","10","8","6","4","2","1") = "9"
    & skf18("3","10","8","6","4","3","1") = "9"
    & skf18("3","10","8","6","4","4","1") = "9"
    & skf18("3","10","8","6","4","5","1") = "9"
    & skf18("3","10","8","6","4","6","1") = "9"
    & skf18("3","10","8","6","4","7","1") = "9"
    & skf18("3","10","8","6","4","8","1") = "9"
    & skf18("3","10","8","6","4","9","1") = "9"
    & skf18("3","10","8","6","4","10","1") = "9"
    & skf18("3","10","8","6","5","1","1") = "9"
    & skf18("3","10","8","6","5","2","1") = "9"
    & skf18("3","10","8","6","5","3","1") = "9"
    & skf18("3","10","8","6","5","4","1") = "9"
    & skf18("3","10","8","6","5","5","1") = "9"
    & skf18("3","10","8","6","5","6","1") = "9"
    & skf18("3","10","8","6","5","7","1") = "9"
    & skf18("3","10","8","6","5","8","1") = "9"
    & skf18("3","10","8","6","5","9","1") = "9"
    & skf18("3","10","8","6","5","10","1") = "9"
    & skf18("3","10","8","6","6","1","1") = "9"
    & skf18("3","10","8","6","6","2","1") = "9"
    & skf18("3","10","8","6","6","3","1") = "9"
    & skf18("3","10","8","6","6","4","1") = "9"
    & skf18("3","10","8","6","6","5","1") = "9"
    & skf18("3","10","8","6","6","6","1") = "9"
    & skf18("3","10","8","6","6","7","1") = "9"
    & skf18("3","10","8","6","6","8","1") = "9"
    & skf18("3","10","8","6","6","9","1") = "9"
    & skf18("3","10","8","6","6","10","1") = "9"
    & skf18("3","10","8","6","7","1","1") = "9"
    & skf18("3","10","8","6","7","2","1") = "9"
    & skf18("3","10","8","6","7","3","1") = "9"
    & skf18("3","10","8","6","7","4","1") = "9"
    & skf18("3","10","8","6","7","5","1") = "9"
    & skf18("3","10","8","6","7","6","1") = "9"
    & skf18("3","10","8","6","7","7","1") = "9"
    & skf18("3","10","8","6","7","8","1") = "9"
    & skf18("3","10","8","6","7","9","1") = "9"
    & skf18("3","10","8","6","7","10","1") = "9"
    & skf18("3","10","8","6","8","1","1") = "9"
    & skf18("3","10","8","6","8","2","1") = "9"
    & skf18("3","10","8","6","8","3","1") = "9"
    & skf18("3","10","8","6","8","4","1") = "9"
    & skf18("3","10","8","6","8","5","1") = "9"
    & skf18("3","10","8","6","8","6","1") = "9"
    & skf18("3","10","8","6","8","7","1") = "9"
    & skf18("3","10","8","6","8","8","1") = "9"
    & skf18("3","10","8","6","8","9","1") = "9"
    & skf18("3","10","8","6","8","10","1") = "9"
    & skf18("3","10","8","6","9","1","1") = "9"
    & skf18("3","10","8","6","9","2","1") = "9"
    & skf18("3","10","8","6","9","3","1") = "9"
    & skf18("3","10","8","6","9","4","1") = "9"
    & skf18("3","10","8","6","9","5","1") = "9"
    & skf18("3","10","8","6","9","6","1") = "9"
    & skf18("3","10","8","6","9","7","1") = "9"
    & skf18("3","10","8","6","9","8","1") = "9"
    & skf18("3","10","8","6","9","9","1") = "9"
    & skf18("3","10","8","6","9","10","1") = "9"
    & skf18("3","10","8","6","10","1","1") = "9"
    & skf18("3","10","8","6","10","2","1") = "9"
    & skf18("3","10","8","6","10","3","1") = "9"
    & skf18("3","10","8","6","10","4","1") = "9"
    & skf18("3","10","8","6","10","5","1") = "9"
    & skf18("3","10","8","6","10","6","1") = "9"
    & skf18("3","10","8","6","10","7","1") = "9"
    & skf18("3","10","8","6","10","8","1") = "9"
    & skf18("3","10","8","6","10","9","1") = "9"
    & skf18("3","10","8","6","10","10","1") = "9"
    & skf18("3","10","8","7","1","1","1") = "9"
    & skf18("3","10","8","7","1","2","1") = "9"
    & skf18("3","10","8","7","1","3","1") = "9"
    & skf18("3","10","8","7","1","4","1") = "9"
    & skf18("3","10","8","7","1","5","1") = "9"
    & skf18("3","10","8","7","1","6","1") = "9"
    & skf18("3","10","8","7","1","7","1") = "9"
    & skf18("3","10","8","7","1","8","1") = "9"
    & skf18("3","10","8","7","1","9","1") = "9"
    & skf18("3","10","8","7","1","10","1") = "9"
    & skf18("3","10","8","7","2","1","1") = "9"
    & skf18("3","10","8","7","2","2","1") = "9"
    & skf18("3","10","8","7","2","3","1") = "9"
    & skf18("3","10","8","7","2","4","1") = "9"
    & skf18("3","10","8","7","2","5","1") = "9"
    & skf18("3","10","8","7","2","6","1") = "9"
    & skf18("3","10","8","7","2","7","1") = "9"
    & skf18("3","10","8","7","2","8","1") = "9"
    & skf18("3","10","8","7","2","9","1") = "9"
    & skf18("3","10","8","7","2","10","1") = "9"
    & skf18("3","10","8","7","3","1","1") = "9"
    & skf18("3","10","8","7","3","2","1") = "9"
    & skf18("3","10","8","7","3","3","1") = "9"
    & skf18("3","10","8","7","3","4","1") = "9"
    & skf18("3","10","8","7","3","5","1") = "9"
    & skf18("3","10","8","7","3","6","1") = "9"
    & skf18("3","10","8","7","3","7","1") = "9"
    & skf18("3","10","8","7","3","8","1") = "9"
    & skf18("3","10","8","7","3","9","1") = "9"
    & skf18("3","10","8","7","3","10","1") = "9"
    & skf18("3","10","8","7","4","1","1") = "9"
    & skf18("3","10","8","7","4","2","1") = "9"
    & skf18("3","10","8","7","4","3","1") = "9"
    & skf18("3","10","8","7","4","4","1") = "9"
    & skf18("3","10","8","7","4","5","1") = "9"
    & skf18("3","10","8","7","4","6","1") = "9"
    & skf18("3","10","8","7","4","7","1") = "9"
    & skf18("3","10","8","7","4","8","1") = "9"
    & skf18("3","10","8","7","4","9","1") = "9"
    & skf18("3","10","8","7","4","10","1") = "9"
    & skf18("3","10","8","7","5","1","1") = "9"
    & skf18("3","10","8","7","5","2","1") = "9"
    & skf18("3","10","8","7","5","3","1") = "9"
    & skf18("3","10","8","7","5","4","1") = "9"
    & skf18("3","10","8","7","5","5","1") = "9"
    & skf18("3","10","8","7","5","6","1") = "9"
    & skf18("3","10","8","7","5","7","1") = "9"
    & skf18("3","10","8","7","5","8","1") = "9"
    & skf18("3","10","8","7","5","9","1") = "9"
    & skf18("3","10","8","7","5","10","1") = "9"
    & skf18("3","10","8","7","6","1","1") = "9"
    & skf18("3","10","8","7","6","2","1") = "9"
    & skf18("3","10","8","7","6","3","1") = "9"
    & skf18("3","10","8","7","6","4","1") = "9"
    & skf18("3","10","8","7","6","5","1") = "9"
    & skf18("3","10","8","7","6","6","1") = "9"
    & skf18("3","10","8","7","6","7","1") = "9"
    & skf18("3","10","8","7","6","8","1") = "9"
    & skf18("3","10","8","7","6","9","1") = "9"
    & skf18("3","10","8","7","6","10","1") = "9"
    & skf18("3","10","8","7","7","1","1") = "9"
    & skf18("3","10","8","7","7","2","1") = "9"
    & skf18("3","10","8","7","7","3","1") = "9"
    & skf18("3","10","8","7","7","4","1") = "9"
    & skf18("3","10","8","7","7","5","1") = "9"
    & skf18("3","10","8","7","7","6","1") = "9"
    & skf18("3","10","8","7","7","7","1") = "9"
    & skf18("3","10","8","7","7","8","1") = "9"
    & skf18("3","10","8","7","7","9","1") = "9"
    & skf18("3","10","8","7","7","10","1") = "9"
    & skf18("3","10","8","7","8","1","1") = "9"
    & skf18("3","10","8","7","8","2","1") = "9"
    & skf18("3","10","8","7","8","3","1") = "9"
    & skf18("3","10","8","7","8","4","1") = "9"
    & skf18("3","10","8","7","8","5","1") = "9"
    & skf18("3","10","8","7","8","6","1") = "9"
    & skf18("3","10","8","7","8","7","1") = "9"
    & skf18("3","10","8","7","8","8","1") = "9"
    & skf18("3","10","8","7","8","9","1") = "9"
    & skf18("3","10","8","7","8","10","1") = "9"
    & skf18("3","10","8","7","9","1","1") = "9"
    & skf18("3","10","8","7","9","2","1") = "9"
    & skf18("3","10","8","7","9","3","1") = "9"
    & skf18("3","10","8","7","9","4","1") = "9"
    & skf18("3","10","8","7","9","5","1") = "9"
    & skf18("3","10","8","7","9","6","1") = "9"
    & skf18("3","10","8","7","9","7","1") = "9"
    & skf18("3","10","8","7","9","8","1") = "9"
    & skf18("3","10","8","7","9","9","1") = "9"
    & skf18("3","10","8","7","9","10","1") = "9"
    & skf18("3","10","8","7","10","1","1") = "9"
    & skf18("3","10","8","7","10","2","1") = "9"
    & skf18("3","10","8","7","10","3","1") = "9"
    & skf18("3","10","8","7","10","4","1") = "9"
    & skf18("3","10","8","7","10","5","1") = "9"
    & skf18("3","10","8","7","10","6","1") = "9"
    & skf18("3","10","8","7","10","7","1") = "9"
    & skf18("3","10","8","7","10","8","1") = "9"
    & skf18("3","10","8","7","10","9","1") = "9"
    & skf18("3","10","8","7","10","10","1") = "9"
    & skf18("3","10","8","8","1","1","1") = "9"
    & skf18("3","10","8","8","1","2","1") = "9"
    & skf18("3","10","8","8","1","3","1") = "9"
    & skf18("3","10","8","8","1","4","1") = "9"
    & skf18("3","10","8","8","1","5","1") = "9"
    & skf18("3","10","8","8","1","6","1") = "9"
    & skf18("3","10","8","8","1","7","1") = "9"
    & skf18("3","10","8","8","1","8","1") = "9"
    & skf18("3","10","8","8","1","9","1") = "9"
    & skf18("3","10","8","8","1","10","1") = "9"
    & skf18("3","10","8","8","2","1","1") = "9"
    & skf18("3","10","8","8","2","2","1") = "9"
    & skf18("3","10","8","8","2","3","1") = "9"
    & skf18("3","10","8","8","2","4","1") = "9"
    & skf18("3","10","8","8","2","5","1") = "9"
    & skf18("3","10","8","8","2","6","1") = "9"
    & skf18("3","10","8","8","2","7","1") = "9"
    & skf18("3","10","8","8","2","8","1") = "9"
    & skf18("3","10","8","8","2","9","1") = "9"
    & skf18("3","10","8","8","2","10","1") = "9"
    & skf18("3","10","8","8","3","1","1") = "9"
    & skf18("3","10","8","8","3","2","1") = "9"
    & skf18("3","10","8","8","3","3","1") = "9"
    & skf18("3","10","8","8","3","4","1") = "9"
    & skf18("3","10","8","8","3","5","1") = "9"
    & skf18("3","10","8","8","3","6","1") = "9"
    & skf18("3","10","8","8","3","7","1") = "9"
    & skf18("3","10","8","8","3","8","1") = "9"
    & skf18("3","10","8","8","3","9","1") = "9"
    & skf18("3","10","8","8","3","10","1") = "9"
    & skf18("3","10","8","8","4","1","1") = "9"
    & skf18("3","10","8","8","4","2","1") = "9"
    & skf18("3","10","8","8","4","3","1") = "9"
    & skf18("3","10","8","8","4","4","1") = "9"
    & skf18("3","10","8","8","4","5","1") = "9"
    & skf18("3","10","8","8","4","6","1") = "9"
    & skf18("3","10","8","8","4","7","1") = "9"
    & skf18("3","10","8","8","4","8","1") = "9"
    & skf18("3","10","8","8","4","9","1") = "9"
    & skf18("3","10","8","8","4","10","1") = "9"
    & skf18("3","10","8","8","5","1","1") = "9"
    & skf18("3","10","8","8","5","2","1") = "9"
    & skf18("3","10","8","8","5","3","1") = "9"
    & skf18("3","10","8","8","5","4","1") = "9"
    & skf18("3","10","8","8","5","5","1") = "9"
    & skf18("3","10","8","8","5","6","1") = "9"
    & skf18("3","10","8","8","5","7","1") = "9"
    & skf18("3","10","8","8","5","8","1") = "9"
    & skf18("3","10","8","8","5","9","1") = "9"
    & skf18("3","10","8","8","5","10","1") = "9"
    & skf18("3","10","8","8","6","1","1") = "9"
    & skf18("3","10","8","8","6","2","1") = "9"
    & skf18("3","10","8","8","6","3","1") = "9"
    & skf18("3","10","8","8","6","4","1") = "9"
    & skf18("3","10","8","8","6","5","1") = "9"
    & skf18("3","10","8","8","6","6","1") = "9"
    & skf18("3","10","8","8","6","7","1") = "9"
    & skf18("3","10","8","8","6","8","1") = "9"
    & skf18("3","10","8","8","6","9","1") = "9"
    & skf18("3","10","8","8","6","10","1") = "9"
    & skf18("3","10","8","8","7","1","1") = "9"
    & skf18("3","10","8","8","7","2","1") = "9"
    & skf18("3","10","8","8","7","3","1") = "9"
    & skf18("3","10","8","8","7","4","1") = "9"
    & skf18("3","10","8","8","7","5","1") = "9"
    & skf18("3","10","8","8","7","6","1") = "9"
    & skf18("3","10","8","8","7","7","1") = "9"
    & skf18("3","10","8","8","7","8","1") = "9"
    & skf18("3","10","8","8","7","9","1") = "9"
    & skf18("3","10","8","8","7","10","1") = "9"
    & skf18("3","10","8","8","8","1","1") = "9"
    & skf18("3","10","8","8","8","2","1") = "9"
    & skf18("3","10","8","8","8","3","1") = "9"
    & skf18("3","10","8","8","8","4","1") = "9"
    & skf18("3","10","8","8","8","5","1") = "9"
    & skf18("3","10","8","8","8","6","1") = "9"
    & skf18("3","10","8","8","8","7","1") = "9"
    & skf18("3","10","8","8","8","8","1") = "9"
    & skf18("3","10","8","8","8","9","1") = "9"
    & skf18("3","10","8","8","8","10","1") = "9"
    & skf18("3","10","8","8","9","1","1") = "9"
    & skf18("3","10","8","8","9","2","1") = "9"
    & skf18("3","10","8","8","9","3","1") = "9"
    & skf18("3","10","8","8","9","4","1") = "9"
    & skf18("3","10","8","8","9","5","1") = "9"
    & skf18("3","10","8","8","9","6","1") = "9"
    & skf18("3","10","8","8","9","7","1") = "9"
    & skf18("3","10","8","8","9","8","1") = "9"
    & skf18("3","10","8","8","9","9","1") = "9"
    & skf18("3","10","8","8","9","10","1") = "9"
    & skf18("3","10","8","8","10","1","1") = "9"
    & skf18("3","10","8","8","10","2","1") = "9"
    & skf18("3","10","8","8","10","3","1") = "9"
    & skf18("3","10","8","8","10","4","1") = "9"
    & skf18("3","10","8","8","10","5","1") = "9"
    & skf18("3","10","8","8","10","6","1") = "9"
    & skf18("3","10","8","8","10","7","1") = "9"
    & skf18("3","10","8","8","10","8","1") = "9"
    & skf18("3","10","8","8","10","9","1") = "9"
    & skf18("3","10","8","8","10","10","1") = "9"
    & skf18("3","10","8","9","1","1","1") = "9"
    & skf18("3","10","8","9","1","2","1") = "9"
    & skf18("3","10","8","9","1","3","1") = "9"
    & skf18("3","10","8","9","1","4","1") = "9"
    & skf18("3","10","8","9","1","5","1") = "9"
    & skf18("3","10","8","9","1","6","1") = "9"
    & skf18("3","10","8","9","1","7","1") = "9"
    & skf18("3","10","8","9","1","8","1") = "9"
    & skf18("3","10","8","9","1","9","1") = "9"
    & skf18("3","10","8","9","1","10","1") = "9"
    & skf18("3","10","8","9","2","1","1") = "9"
    & skf18("3","10","8","9","2","2","1") = "9"
    & skf18("3","10","8","9","2","3","1") = "9"
    & skf18("3","10","8","9","2","4","1") = "9"
    & skf18("3","10","8","9","2","5","1") = "9"
    & skf18("3","10","8","9","2","6","1") = "9"
    & skf18("3","10","8","9","2","7","1") = "9"
    & skf18("3","10","8","9","2","8","1") = "9"
    & skf18("3","10","8","9","2","9","1") = "9"
    & skf18("3","10","8","9","2","10","1") = "9"
    & skf18("3","10","8","9","3","1","1") = "9"
    & skf18("3","10","8","9","3","2","1") = "9"
    & skf18("3","10","8","9","3","3","1") = "9"
    & skf18("3","10","8","9","3","4","1") = "9"
    & skf18("3","10","8","9","3","5","1") = "9"
    & skf18("3","10","8","9","3","6","1") = "9"
    & skf18("3","10","8","9","3","7","1") = "9"
    & skf18("3","10","8","9","3","8","1") = "9"
    & skf18("3","10","8","9","3","9","1") = "9"
    & skf18("3","10","8","9","3","10","1") = "9"
    & skf18("3","10","8","9","4","1","1") = "9"
    & skf18("3","10","8","9","4","2","1") = "9"
    & skf18("3","10","8","9","4","3","1") = "9"
    & skf18("3","10","8","9","4","4","1") = "9"
    & skf18("3","10","8","9","4","5","1") = "9"
    & skf18("3","10","8","9","4","6","1") = "9"
    & skf18("3","10","8","9","4","7","1") = "9"
    & skf18("3","10","8","9","4","8","1") = "9"
    & skf18("3","10","8","9","4","9","1") = "9"
    & skf18("3","10","8","9","4","10","1") = "9"
    & skf18("3","10","8","9","5","1","1") = "9"
    & skf18("3","10","8","9","5","2","1") = "9"
    & skf18("3","10","8","9","5","3","1") = "9"
    & skf18("3","10","8","9","5","4","1") = "9"
    & skf18("3","10","8","9","5","5","1") = "9"
    & skf18("3","10","8","9","5","6","1") = "9"
    & skf18("3","10","8","9","5","7","1") = "9"
    & skf18("3","10","8","9","5","8","1") = "9"
    & skf18("3","10","8","9","5","9","1") = "9"
    & skf18("3","10","8","9","5","10","1") = "9"
    & skf18("3","10","8","9","6","1","1") = "9"
    & skf18("3","10","8","9","6","2","1") = "9"
    & skf18("3","10","8","9","6","3","1") = "9"
    & skf18("3","10","8","9","6","4","1") = "9"
    & skf18("3","10","8","9","6","5","1") = "9"
    & skf18("3","10","8","9","6","6","1") = "9"
    & skf18("3","10","8","9","6","7","1") = "9"
    & skf18("3","10","8","9","6","8","1") = "9"
    & skf18("3","10","8","9","6","9","1") = "9"
    & skf18("3","10","8","9","6","10","1") = "9"
    & skf18("3","10","8","9","7","1","1") = "9"
    & skf18("3","10","8","9","7","2","1") = "9"
    & skf18("3","10","8","9","7","3","1") = "9"
    & skf18("3","10","8","9","7","4","1") = "9"
    & skf18("3","10","8","9","7","5","1") = "9"
    & skf18("3","10","8","9","7","6","1") = "9"
    & skf18("3","10","8","9","7","7","1") = "9"
    & skf18("3","10","8","9","7","8","1") = "9"
    & skf18("3","10","8","9","7","9","1") = "9"
    & skf18("3","10","8","9","7","10","1") = "9"
    & skf18("3","10","8","9","8","1","1") = "9"
    & skf18("3","10","8","9","8","2","1") = "9"
    & skf18("3","10","8","9","8","3","1") = "9"
    & skf18("3","10","8","9","8","4","1") = "9"
    & skf18("3","10","8","9","8","5","1") = "9"
    & skf18("3","10","8","9","8","6","1") = "9"
    & skf18("3","10","8","9","8","7","1") = "9"
    & skf18("3","10","8","9","8","8","1") = "9"
    & skf18("3","10","8","9","8","9","1") = "9"
    & skf18("3","10","8","9","8","10","1") = "9"
    & skf18("3","10","8","9","9","1","1") = "9"
    & skf18("3","10","8","9","9","2","1") = "9"
    & skf18("3","10","8","9","9","3","1") = "9"
    & skf18("3","10","8","9","9","4","1") = "9"
    & skf18("3","10","8","9","9","5","1") = "9"
    & skf18("3","10","8","9","9","6","1") = "9"
    & skf18("3","10","8","9","9","7","1") = "9"
    & skf18("3","10","8","9","9","8","1") = "9"
    & skf18("3","10","8","9","9","9","1") = "9"
    & skf18("3","10","8","9","9","10","1") = "9"
    & skf18("3","10","8","9","10","1","1") = "9"
    & skf18("3","10","8","9","10","2","1") = "9"
    & skf18("3","10","8","9","10","3","1") = "9"
    & skf18("3","10","8","9","10","4","1") = "9"
    & skf18("3","10","8","9","10","5","1") = "9"
    & skf18("3","10","8","9","10","6","1") = "9"
    & skf18("3","10","8","9","10","7","1") = "9"
    & skf18("3","10","8","9","10","8","1") = "9"
    & skf18("3","10","8","9","10","9","1") = "9"
    & skf18("3","10","8","9","10","10","1") = "9"
    & skf18("3","10","8","10","1","1","1") = "9"
    & skf18("3","10","8","10","1","2","1") = "9"
    & skf18("3","10","8","10","1","3","1") = "9"
    & skf18("3","10","8","10","1","4","1") = "9"
    & skf18("3","10","8","10","1","5","1") = "9"
    & skf18("3","10","8","10","1","6","1") = "9"
    & skf18("3","10","8","10","1","7","1") = "9"
    & skf18("3","10","8","10","1","8","1") = "9"
    & skf18("3","10","8","10","1","9","1") = "9"
    & skf18("3","10","8","10","1","10","1") = "9"
    & skf18("3","10","8","10","2","1","1") = "9"
    & skf18("3","10","8","10","2","2","1") = "9"
    & skf18("3","10","8","10","2","3","1") = "9"
    & skf18("3","10","8","10","2","4","1") = "9"
    & skf18("3","10","8","10","2","5","1") = "9"
    & skf18("3","10","8","10","2","6","1") = "9"
    & skf18("3","10","8","10","2","7","1") = "9"
    & skf18("3","10","8","10","2","8","1") = "9"
    & skf18("3","10","8","10","2","9","1") = "9"
    & skf18("3","10","8","10","2","10","1") = "9"
    & skf18("3","10","8","10","3","1","1") = "9"
    & skf18("3","10","8","10","3","2","1") = "9"
    & skf18("3","10","8","10","3","3","1") = "9"
    & skf18("3","10","8","10","3","4","1") = "9"
    & skf18("3","10","8","10","3","5","1") = "9"
    & skf18("3","10","8","10","3","6","1") = "9"
    & skf18("3","10","8","10","3","7","1") = "9"
    & skf18("3","10","8","10","3","8","1") = "9"
    & skf18("3","10","8","10","3","9","1") = "9"
    & skf18("3","10","8","10","3","10","1") = "9"
    & skf18("3","10","8","10","4","1","1") = "9"
    & skf18("3","10","8","10","4","2","1") = "9"
    & skf18("3","10","8","10","4","3","1") = "9"
    & skf18("3","10","8","10","4","4","1") = "9"
    & skf18("3","10","8","10","4","5","1") = "9"
    & skf18("3","10","8","10","4","6","1") = "9"
    & skf18("3","10","8","10","4","7","1") = "9"
    & skf18("3","10","8","10","4","8","1") = "9"
    & skf18("3","10","8","10","4","9","1") = "9"
    & skf18("3","10","8","10","4","10","1") = "9"
    & skf18("3","10","8","10","5","1","1") = "9"
    & skf18("3","10","8","10","5","2","1") = "9"
    & skf18("3","10","8","10","5","3","1") = "9"
    & skf18("3","10","8","10","5","4","1") = "9"
    & skf18("3","10","8","10","5","5","1") = "9"
    & skf18("3","10","8","10","5","6","1") = "9"
    & skf18("3","10","8","10","5","7","1") = "9"
    & skf18("3","10","8","10","5","8","1") = "9"
    & skf18("3","10","8","10","5","9","1") = "9"
    & skf18("3","10","8","10","5","10","1") = "9"
    & skf18("3","10","8","10","6","1","1") = "9"
    & skf18("3","10","8","10","6","2","1") = "9"
    & skf18("3","10","8","10","6","3","1") = "9"
    & skf18("3","10","8","10","6","4","1") = "9"
    & skf18("3","10","8","10","6","5","1") = "9"
    & skf18("3","10","8","10","6","6","1") = "9"
    & skf18("3","10","8","10","6","7","1") = "9"
    & skf18("3","10","8","10","6","8","1") = "9"
    & skf18("3","10","8","10","6","9","1") = "9"
    & skf18("3","10","8","10","6","10","1") = "9"
    & skf18("3","10","8","10","7","1","1") = "9"
    & skf18("3","10","8","10","7","2","1") = "9"
    & skf18("3","10","8","10","7","3","1") = "9"
    & skf18("3","10","8","10","7","4","1") = "9"
    & skf18("3","10","8","10","7","5","1") = "9"
    & skf18("3","10","8","10","7","6","1") = "9"
    & skf18("3","10","8","10","7","7","1") = "9"
    & skf18("3","10","8","10","7","8","1") = "9"
    & skf18("3","10","8","10","7","9","1") = "9"
    & skf18("3","10","8","10","7","10","1") = "9"
    & skf18("3","10","8","10","8","1","1") = "9"
    & skf18("3","10","8","10","8","2","1") = "9"
    & skf18("3","10","8","10","8","3","1") = "9"
    & skf18("3","10","8","10","8","4","1") = "9"
    & skf18("3","10","8","10","8","5","1") = "9"
    & skf18("3","10","8","10","8","6","1") = "9"
    & skf18("3","10","8","10","8","7","1") = "9"
    & skf18("3","10","8","10","8","8","1") = "9"
    & skf18("3","10","8","10","8","9","1") = "9"
    & skf18("3","10","8","10","8","10","1") = "9"
    & skf18("3","10","8","10","9","1","1") = "9"
    & skf18("3","10","8","10","9","2","1") = "9"
    & skf18("3","10","8","10","9","3","1") = "9"
    & skf18("3","10","8","10","9","4","1") = "9"
    & skf18("3","10","8","10","9","5","1") = "9"
    & skf18("3","10","8","10","9","6","1") = "9"
    & skf18("3","10","8","10","9","7","1") = "9"
    & skf18("3","10","8","10","9","8","1") = "9"
    & skf18("3","10","8","10","9","9","1") = "9"
    & skf18("3","10","8","10","9","10","1") = "9"
    & skf18("3","10","8","10","10","1","1") = "9"
    & skf18("3","10","8","10","10","2","1") = "9"
    & skf18("3","10","8","10","10","3","1") = "9"
    & skf18("3","10","8","10","10","4","1") = "9"
    & skf18("3","10","8","10","10","5","1") = "9"
    & skf18("3","10","8","10","10","6","1") = "9"
    & skf18("3","10","8","10","10","7","1") = "9"
    & skf18("3","10","8","10","10","8","1") = "9"
    & skf18("3","10","8","10","10","9","1") = "9"
    & skf18("3","10","8","10","10","10","1") = "9"
    & skf18("3","10","9","1","1","1","1") = "9"
    & skf18("3","10","9","1","1","2","1") = "9"
    & skf18("3","10","9","1","1","3","1") = "9"
    & skf18("3","10","9","1","1","4","1") = "9"
    & skf18("3","10","9","1","1","5","1") = "9"
    & skf18("3","10","9","1","1","6","1") = "9"
    & skf18("3","10","9","1","1","7","1") = "9"
    & skf18("3","10","9","1","1","8","1") = "9"
    & skf18("3","10","9","1","1","9","1") = "9"
    & skf18("3","10","9","1","1","10","1") = "9"
    & skf18("3","10","9","1","2","1","1") = "9"
    & skf18("3","10","9","1","2","2","1") = "9"
    & skf18("3","10","9","1","2","3","1") = "9"
    & skf18("3","10","9","1","2","4","1") = "9"
    & skf18("3","10","9","1","2","5","1") = "9"
    & skf18("3","10","9","1","2","6","1") = "9"
    & skf18("3","10","9","1","2","7","1") = "9"
    & skf18("3","10","9","1","2","8","1") = "9"
    & skf18("3","10","9","1","2","9","1") = "9"
    & skf18("3","10","9","1","2","10","1") = "9"
    & skf18("3","10","9","1","3","1","1") = "9"
    & skf18("3","10","9","1","3","2","1") = "9"
    & skf18("3","10","9","1","3","3","1") = "9"
    & skf18("3","10","9","1","3","4","1") = "9"
    & skf18("3","10","9","1","3","5","1") = "9"
    & skf18("3","10","9","1","3","6","1") = "9"
    & skf18("3","10","9","1","3","7","1") = "9"
    & skf18("3","10","9","1","3","8","1") = "9"
    & skf18("3","10","9","1","3","9","1") = "9"
    & skf18("3","10","9","1","3","10","1") = "9"
    & skf18("3","10","9","1","4","1","1") = "9"
    & skf18("3","10","9","1","4","2","1") = "9"
    & skf18("3","10","9","1","4","3","1") = "9"
    & skf18("3","10","9","1","4","4","1") = "9"
    & skf18("3","10","9","1","4","5","1") = "9"
    & skf18("3","10","9","1","4","6","1") = "9"
    & skf18("3","10","9","1","4","7","1") = "9"
    & skf18("3","10","9","1","4","8","1") = "9"
    & skf18("3","10","9","1","4","9","1") = "9"
    & skf18("3","10","9","1","4","10","1") = "9"
    & skf18("3","10","9","1","5","1","1") = "9"
    & skf18("3","10","9","1","5","2","1") = "9"
    & skf18("3","10","9","1","5","3","1") = "9"
    & skf18("3","10","9","1","5","4","1") = "9"
    & skf18("3","10","9","1","5","5","1") = "9"
    & skf18("3","10","9","1","5","6","1") = "9"
    & skf18("3","10","9","1","5","7","1") = "9"
    & skf18("3","10","9","1","5","8","1") = "9"
    & skf18("3","10","9","1","5","9","1") = "9"
    & skf18("3","10","9","1","5","10","1") = "9"
    & skf18("3","10","9","1","6","1","1") = "9"
    & skf18("3","10","9","1","6","2","1") = "9"
    & skf18("3","10","9","1","6","3","1") = "9"
    & skf18("3","10","9","1","6","4","1") = "9"
    & skf18("3","10","9","1","6","5","1") = "9"
    & skf18("3","10","9","1","6","6","1") = "9"
    & skf18("3","10","9","1","6","7","1") = "9"
    & skf18("3","10","9","1","6","8","1") = "9"
    & skf18("3","10","9","1","6","9","1") = "9"
    & skf18("3","10","9","1","6","10","1") = "9"
    & skf18("3","10","9","1","7","1","1") = "9"
    & skf18("3","10","9","1","7","2","1") = "9"
    & skf18("3","10","9","1","7","3","1") = "9"
    & skf18("3","10","9","1","7","4","1") = "9"
    & skf18("3","10","9","1","7","5","1") = "9"
    & skf18("3","10","9","1","7","6","1") = "9"
    & skf18("3","10","9","1","7","7","1") = "9"
    & skf18("3","10","9","1","7","8","1") = "9"
    & skf18("3","10","9","1","7","9","1") = "9"
    & skf18("3","10","9","1","7","10","1") = "9"
    & skf18("3","10","9","1","8","1","1") = "9"
    & skf18("3","10","9","1","8","2","1") = "9"
    & skf18("3","10","9","1","8","3","1") = "9"
    & skf18("3","10","9","1","8","4","1") = "9"
    & skf18("3","10","9","1","8","5","1") = "9"
    & skf18("3","10","9","1","8","6","1") = "9"
    & skf18("3","10","9","1","8","7","1") = "9"
    & skf18("3","10","9","1","8","8","1") = "9"
    & skf18("3","10","9","1","8","9","1") = "9"
    & skf18("3","10","9","1","8","10","1") = "9"
    & skf18("3","10","9","1","9","1","1") = "9"
    & skf18("3","10","9","1","9","2","1") = "9"
    & skf18("3","10","9","1","9","3","1") = "9"
    & skf18("3","10","9","1","9","4","1") = "9"
    & skf18("3","10","9","1","9","5","1") = "9"
    & skf18("3","10","9","1","9","6","1") = "9"
    & skf18("3","10","9","1","9","7","1") = "9"
    & skf18("3","10","9","1","9","8","1") = "9"
    & skf18("3","10","9","1","9","9","1") = "9"
    & skf18("3","10","9","1","9","10","1") = "9"
    & skf18("3","10","9","1","10","1","1") = "9"
    & skf18("3","10","9","1","10","2","1") = "9"
    & skf18("3","10","9","1","10","3","1") = "9"
    & skf18("3","10","9","1","10","4","1") = "9"
    & skf18("3","10","9","1","10","5","1") = "9"
    & skf18("3","10","9","1","10","6","1") = "9"
    & skf18("3","10","9","1","10","7","1") = "9"
    & skf18("3","10","9","1","10","8","1") = "9"
    & skf18("3","10","9","1","10","9","1") = "9"
    & skf18("3","10","9","1","10","10","1") = "9"
    & skf18("3","10","9","2","1","1","1") = "9"
    & skf18("3","10","9","2","1","2","1") = "9"
    & skf18("3","10","9","2","1","3","1") = "9"
    & skf18("3","10","9","2","1","4","1") = "9"
    & skf18("3","10","9","2","1","5","1") = "9"
    & skf18("3","10","9","2","1","6","1") = "9"
    & skf18("3","10","9","2","1","7","1") = "9"
    & skf18("3","10","9","2","1","8","1") = "9"
    & skf18("3","10","9","2","1","9","1") = "9"
    & skf18("3","10","9","2","1","10","1") = "9"
    & skf18("3","10","9","2","2","1","1") = "9"
    & skf18("3","10","9","2","2","2","1") = "9"
    & skf18("3","10","9","2","2","3","1") = "9"
    & skf18("3","10","9","2","2","4","1") = "9"
    & skf18("3","10","9","2","2","5","1") = "9"
    & skf18("3","10","9","2","2","6","1") = "9"
    & skf18("3","10","9","2","2","7","1") = "9"
    & skf18("3","10","9","2","2","8","1") = "9"
    & skf18("3","10","9","2","2","9","1") = "9"
    & skf18("3","10","9","2","2","10","1") = "9"
    & skf18("3","10","9","2","3","1","1") = "9"
    & skf18("3","10","9","2","3","2","1") = "9"
    & skf18("3","10","9","2","3","3","1") = "9"
    & skf18("3","10","9","2","3","4","1") = "9"
    & skf18("3","10","9","2","3","5","1") = "9"
    & skf18("3","10","9","2","3","6","1") = "9"
    & skf18("3","10","9","2","3","7","1") = "9"
    & skf18("3","10","9","2","3","8","1") = "9"
    & skf18("3","10","9","2","3","9","1") = "9"
    & skf18("3","10","9","2","3","10","1") = "9"
    & skf18("3","10","9","2","4","1","1") = "9"
    & skf18("3","10","9","2","4","2","1") = "9"
    & skf18("3","10","9","2","4","3","1") = "9"
    & skf18("3","10","9","2","4","4","1") = "9"
    & skf18("3","10","9","2","4","5","1") = "9"
    & skf18("3","10","9","2","4","6","1") = "9"
    & skf18("3","10","9","2","4","7","1") = "9"
    & skf18("3","10","9","2","4","8","1") = "9"
    & skf18("3","10","9","2","4","9","1") = "9"
    & skf18("3","10","9","2","4","10","1") = "9"
    & skf18("3","10","9","2","5","1","1") = "9"
    & skf18("3","10","9","2","5","2","1") = "9"
    & skf18("3","10","9","2","5","3","1") = "9"
    & skf18("3","10","9","2","5","4","1") = "9"
    & skf18("3","10","9","2","5","5","1") = "9"
    & skf18("3","10","9","2","5","6","1") = "9"
    & skf18("3","10","9","2","5","7","1") = "9"
    & skf18("3","10","9","2","5","8","1") = "9"
    & skf18("3","10","9","2","5","9","1") = "9"
    & skf18("3","10","9","2","5","10","1") = "9"
    & skf18("3","10","9","2","6","1","1") = "9"
    & skf18("3","10","9","2","6","2","1") = "9"
    & skf18("3","10","9","2","6","3","1") = "9"
    & skf18("3","10","9","2","6","4","1") = "9"
    & skf18("3","10","9","2","6","5","1") = "9"
    & skf18("3","10","9","2","6","6","1") = "9"
    & skf18("3","10","9","2","6","7","1") = "9"
    & skf18("3","10","9","2","6","8","1") = "9"
    & skf18("3","10","9","2","6","9","1") = "9"
    & skf18("3","10","9","2","6","10","1") = "9"
    & skf18("3","10","9","2","7","1","1") = "9"
    & skf18("3","10","9","2","7","2","1") = "9"
    & skf18("3","10","9","2","7","3","1") = "9"
    & skf18("3","10","9","2","7","4","1") = "9"
    & skf18("3","10","9","2","7","5","1") = "9"
    & skf18("3","10","9","2","7","6","1") = "9"
    & skf18("3","10","9","2","7","7","1") = "9"
    & skf18("3","10","9","2","7","8","1") = "9"
    & skf18("3","10","9","2","7","9","1") = "9"
    & skf18("3","10","9","2","7","10","1") = "9"
    & skf18("3","10","9","2","8","1","1") = "9"
    & skf18("3","10","9","2","8","2","1") = "9"
    & skf18("3","10","9","2","8","3","1") = "9"
    & skf18("3","10","9","2","8","4","1") = "9"
    & skf18("3","10","9","2","8","5","1") = "9"
    & skf18("3","10","9","2","8","6","1") = "9"
    & skf18("3","10","9","2","8","7","1") = "9"
    & skf18("3","10","9","2","8","8","1") = "9"
    & skf18("3","10","9","2","8","9","1") = "9"
    & skf18("3","10","9","2","8","10","1") = "9"
    & skf18("3","10","9","2","9","1","1") = "9"
    & skf18("3","10","9","2","9","2","1") = "9"
    & skf18("3","10","9","2","9","3","1") = "9"
    & skf18("3","10","9","2","9","4","1") = "9"
    & skf18("3","10","9","2","9","5","1") = "9"
    & skf18("3","10","9","2","9","6","1") = "9"
    & skf18("3","10","9","2","9","7","1") = "9"
    & skf18("3","10","9","2","9","8","1") = "9"
    & skf18("3","10","9","2","9","9","1") = "9"
    & skf18("3","10","9","2","9","10","1") = "9"
    & skf18("3","10","9","2","10","1","1") = "9"
    & skf18("3","10","9","2","10","2","1") = "9"
    & skf18("3","10","9","2","10","3","1") = "9"
    & skf18("3","10","9","2","10","4","1") = "9"
    & skf18("3","10","9","2","10","5","1") = "9"
    & skf18("3","10","9","2","10","6","1") = "9"
    & skf18("3","10","9","2","10","7","1") = "9"
    & skf18("3","10","9","2","10","8","1") = "9"
    & skf18("3","10","9","2","10","9","1") = "9"
    & skf18("3","10","9","2","10","10","1") = "9"
    & skf18("3","10","9","3","1","1","1") = "9"
    & skf18("3","10","9","3","1","2","1") = "9"
    & skf18("3","10","9","3","1","3","1") = "9"
    & skf18("3","10","9","3","1","4","1") = "9"
    & skf18("3","10","9","3","1","5","1") = "9"
    & skf18("3","10","9","3","1","6","1") = "9"
    & skf18("3","10","9","3","1","7","1") = "9"
    & skf18("3","10","9","3","1","8","1") = "9"
    & skf18("3","10","9","3","1","9","1") = "9"
    & skf18("3","10","9","3","1","10","1") = "9"
    & skf18("3","10","9","3","2","1","1") = "9"
    & skf18("3","10","9","3","2","2","1") = "9"
    & skf18("3","10","9","3","2","3","1") = "9"
    & skf18("3","10","9","3","2","4","1") = "9"
    & skf18("3","10","9","3","2","5","1") = "9"
    & skf18("3","10","9","3","2","6","1") = "9"
    & skf18("3","10","9","3","2","7","1") = "9"
    & skf18("3","10","9","3","2","8","1") = "9"
    & skf18("3","10","9","3","2","9","1") = "9"
    & skf18("3","10","9","3","2","10","1") = "9"
    & skf18("3","10","9","3","3","1","1") = "9"
    & skf18("3","10","9","3","3","2","1") = "9"
    & skf18("3","10","9","3","3","3","1") = "9"
    & skf18("3","10","9","3","3","4","1") = "9"
    & skf18("3","10","9","3","3","5","1") = "9"
    & skf18("3","10","9","3","3","6","1") = "9"
    & skf18("3","10","9","3","3","7","1") = "9"
    & skf18("3","10","9","3","3","8","1") = "9"
    & skf18("3","10","9","3","3","9","1") = "9"
    & skf18("3","10","9","3","3","10","1") = "9"
    & skf18("3","10","9","3","4","1","1") = "9"
    & skf18("3","10","9","3","4","2","1") = "9"
    & skf18("3","10","9","3","4","3","1") = "9"
    & skf18("3","10","9","3","4","4","1") = "9"
    & skf18("3","10","9","3","4","5","1") = "9"
    & skf18("3","10","9","3","4","6","1") = "9"
    & skf18("3","10","9","3","4","7","1") = "9"
    & skf18("3","10","9","3","4","8","1") = "9"
    & skf18("3","10","9","3","4","9","1") = "9"
    & skf18("3","10","9","3","4","10","1") = "9"
    & skf18("3","10","9","3","5","1","1") = "9"
    & skf18("3","10","9","3","5","2","1") = "9"
    & skf18("3","10","9","3","5","3","1") = "9"
    & skf18("3","10","9","3","5","4","1") = "9"
    & skf18("3","10","9","3","5","5","1") = "9"
    & skf18("3","10","9","3","5","6","1") = "9"
    & skf18("3","10","9","3","5","7","1") = "9"
    & skf18("3","10","9","3","5","8","1") = "9"
    & skf18("3","10","9","3","5","9","1") = "9"
    & skf18("3","10","9","3","5","10","1") = "9"
    & skf18("3","10","9","3","6","1","1") = "9"
    & skf18("3","10","9","3","6","2","1") = "9"
    & skf18("3","10","9","3","6","3","1") = "9"
    & skf18("3","10","9","3","6","4","1") = "9"
    & skf18("3","10","9","3","6","5","1") = "9"
    & skf18("3","10","9","3","6","6","1") = "9"
    & skf18("3","10","9","3","6","7","1") = "9"
    & skf18("3","10","9","3","6","8","1") = "9"
    & skf18("3","10","9","3","6","9","1") = "9"
    & skf18("3","10","9","3","6","10","1") = "9"
    & skf18("3","10","9","3","7","1","1") = "9"
    & skf18("3","10","9","3","7","2","1") = "9"
    & skf18("3","10","9","3","7","3","1") = "9"
    & skf18("3","10","9","3","7","4","1") = "9"
    & skf18("3","10","9","3","7","5","1") = "9"
    & skf18("3","10","9","3","7","6","1") = "9"
    & skf18("3","10","9","3","7","7","1") = "9"
    & skf18("3","10","9","3","7","8","1") = "9"
    & skf18("3","10","9","3","7","9","1") = "9"
    & skf18("3","10","9","3","7","10","1") = "9"
    & skf18("3","10","9","3","8","1","1") = "9"
    & skf18("3","10","9","3","8","2","1") = "9"
    & skf18("3","10","9","3","8","3","1") = "9"
    & skf18("3","10","9","3","8","4","1") = "9"
    & skf18("3","10","9","3","8","5","1") = "9"
    & skf18("3","10","9","3","8","6","1") = "9"
    & skf18("3","10","9","3","8","7","1") = "9"
    & skf18("3","10","9","3","8","8","1") = "9"
    & skf18("3","10","9","3","8","9","1") = "9"
    & skf18("3","10","9","3","8","10","1") = "9"
    & skf18("3","10","9","3","9","1","1") = "9"
    & skf18("3","10","9","3","9","2","1") = "9"
    & skf18("3","10","9","3","9","3","1") = "9"
    & skf18("3","10","9","3","9","4","1") = "9"
    & skf18("3","10","9","3","9","5","1") = "9"
    & skf18("3","10","9","3","9","6","1") = "9"
    & skf18("3","10","9","3","9","7","1") = "9"
    & skf18("3","10","9","3","9","8","1") = "9"
    & skf18("3","10","9","3","9","9","1") = "9"
    & skf18("3","10","9","3","9","10","1") = "9"
    & skf18("3","10","9","3","10","1","1") = "9"
    & skf18("3","10","9","3","10","2","1") = "9"
    & skf18("3","10","9","3","10","3","1") = "9"
    & skf18("3","10","9","3","10","4","1") = "9"
    & skf18("3","10","9","3","10","5","1") = "9"
    & skf18("3","10","9","3","10","6","1") = "9"
    & skf18("3","10","9","3","10","7","1") = "9"
    & skf18("3","10","9","3","10","8","1") = "9"
    & skf18("3","10","9","3","10","9","1") = "9"
    & skf18("3","10","9","3","10","10","1") = "9"
    & skf18("3","10","9","4","1","1","1") = "9"
    & skf18("3","10","9","4","1","2","1") = "9"
    & skf18("3","10","9","4","1","3","1") = "9"
    & skf18("3","10","9","4","1","4","1") = "9"
    & skf18("3","10","9","4","1","5","1") = "9"
    & skf18("3","10","9","4","1","6","1") = "9"
    & skf18("3","10","9","4","1","7","1") = "9"
    & skf18("3","10","9","4","1","8","1") = "9"
    & skf18("3","10","9","4","1","9","1") = "9"
    & skf18("3","10","9","4","1","10","1") = "9"
    & skf18("3","10","9","4","2","1","1") = "9"
    & skf18("3","10","9","4","2","2","1") = "9"
    & skf18("3","10","9","4","2","3","1") = "9"
    & skf18("3","10","9","4","2","4","1") = "9"
    & skf18("3","10","9","4","2","5","1") = "9"
    & skf18("3","10","9","4","2","6","1") = "9"
    & skf18("3","10","9","4","2","7","1") = "9"
    & skf18("3","10","9","4","2","8","1") = "9"
    & skf18("3","10","9","4","2","9","1") = "9"
    & skf18("3","10","9","4","2","10","1") = "9"
    & skf18("3","10","9","4","3","1","1") = "9"
    & skf18("3","10","9","4","3","2","1") = "9"
    & skf18("3","10","9","4","3","3","1") = "9"
    & skf18("3","10","9","4","3","4","1") = "9"
    & skf18("3","10","9","4","3","5","1") = "9"
    & skf18("3","10","9","4","3","6","1") = "9"
    & skf18("3","10","9","4","3","7","1") = "9"
    & skf18("3","10","9","4","3","8","1") = "9"
    & skf18("3","10","9","4","3","9","1") = "9"
    & skf18("3","10","9","4","3","10","1") = "9"
    & skf18("3","10","9","4","4","1","1") = "9"
    & skf18("3","10","9","4","4","2","1") = "9"
    & skf18("3","10","9","4","4","3","1") = "9"
    & skf18("3","10","9","4","4","4","1") = "9"
    & skf18("3","10","9","4","4","5","1") = "9"
    & skf18("3","10","9","4","4","6","1") = "9"
    & skf18("3","10","9","4","4","7","1") = "9"
    & skf18("3","10","9","4","4","8","1") = "9"
    & skf18("3","10","9","4","4","9","1") = "9"
    & skf18("3","10","9","4","4","10","1") = "9"
    & skf18("3","10","9","4","5","1","1") = "9"
    & skf18("3","10","9","4","5","2","1") = "9"
    & skf18("3","10","9","4","5","3","1") = "9"
    & skf18("3","10","9","4","5","4","1") = "9"
    & skf18("3","10","9","4","5","5","1") = "9"
    & skf18("3","10","9","4","5","6","1") = "9"
    & skf18("3","10","9","4","5","7","1") = "9"
    & skf18("3","10","9","4","5","8","1") = "9"
    & skf18("3","10","9","4","5","9","1") = "9"
    & skf18("3","10","9","4","5","10","1") = "9"
    & skf18("3","10","9","4","6","1","1") = "9"
    & skf18("3","10","9","4","6","2","1") = "9"
    & skf18("3","10","9","4","6","3","1") = "9"
    & skf18("3","10","9","4","6","4","1") = "9"
    & skf18("3","10","9","4","6","5","1") = "9"
    & skf18("3","10","9","4","6","6","1") = "9"
    & skf18("3","10","9","4","6","7","1") = "9"
    & skf18("3","10","9","4","6","8","1") = "9"
    & skf18("3","10","9","4","6","9","1") = "9"
    & skf18("3","10","9","4","6","10","1") = "9"
    & skf18("3","10","9","4","7","1","1") = "9"
    & skf18("3","10","9","4","7","2","1") = "9"
    & skf18("3","10","9","4","7","3","1") = "9"
    & skf18("3","10","9","4","7","4","1") = "9"
    & skf18("3","10","9","4","7","5","1") = "9"
    & skf18("3","10","9","4","7","6","1") = "9"
    & skf18("3","10","9","4","7","7","1") = "9"
    & skf18("3","10","9","4","7","8","1") = "9"
    & skf18("3","10","9","4","7","9","1") = "9"
    & skf18("3","10","9","4","7","10","1") = "9"
    & skf18("3","10","9","4","8","1","1") = "9"
    & skf18("3","10","9","4","8","2","1") = "9"
    & skf18("3","10","9","4","8","3","1") = "9"
    & skf18("3","10","9","4","8","4","1") = "9"
    & skf18("3","10","9","4","8","5","1") = "9"
    & skf18("3","10","9","4","8","6","1") = "9"
    & skf18("3","10","9","4","8","7","1") = "9"
    & skf18("3","10","9","4","8","8","1") = "9"
    & skf18("3","10","9","4","8","9","1") = "9"
    & skf18("3","10","9","4","8","10","1") = "9"
    & skf18("3","10","9","4","9","1","1") = "9"
    & skf18("3","10","9","4","9","2","1") = "9"
    & skf18("3","10","9","4","9","3","1") = "9"
    & skf18("3","10","9","4","9","4","1") = "9"
    & skf18("3","10","9","4","9","5","1") = "9"
    & skf18("3","10","9","4","9","6","1") = "9"
    & skf18("3","10","9","4","9","7","1") = "9"
    & skf18("3","10","9","4","9","8","1") = "9"
    & skf18("3","10","9","4","9","9","1") = "9"
    & skf18("3","10","9","4","9","10","1") = "9"
    & skf18("3","10","9","4","10","1","1") = "9"
    & skf18("3","10","9","4","10","2","1") = "9"
    & skf18("3","10","9","4","10","3","1") = "9"
    & skf18("3","10","9","4","10","4","1") = "9"
    & skf18("3","10","9","4","10","5","1") = "9"
    & skf18("3","10","9","4","10","6","1") = "9"
    & skf18("3","10","9","4","10","7","1") = "9"
    & skf18("3","10","9","4","10","8","1") = "9"
    & skf18("3","10","9","4","10","9","1") = "9"
    & skf18("3","10","9","4","10","10","1") = "9"
    & skf18("3","10","9","5","1","1","1") = "9"
    & skf18("3","10","9","5","1","2","1") = "9"
    & skf18("3","10","9","5","1","3","1") = "9"
    & skf18("3","10","9","5","1","4","1") = "9"
    & skf18("3","10","9","5","1","5","1") = "9"
    & skf18("3","10","9","5","1","6","1") = "9"
    & skf18("3","10","9","5","1","7","1") = "9"
    & skf18("3","10","9","5","1","8","1") = "9"
    & skf18("3","10","9","5","1","9","1") = "9"
    & skf18("3","10","9","5","1","10","1") = "9"
    & skf18("3","10","9","5","2","1","1") = "9"
    & skf18("3","10","9","5","2","2","1") = "9"
    & skf18("3","10","9","5","2","3","1") = "9"
    & skf18("3","10","9","5","2","4","1") = "9"
    & skf18("3","10","9","5","2","5","1") = "9"
    & skf18("3","10","9","5","2","6","1") = "9"
    & skf18("3","10","9","5","2","7","1") = "9"
    & skf18("3","10","9","5","2","8","1") = "9"
    & skf18("3","10","9","5","2","9","1") = "9"
    & skf18("3","10","9","5","2","10","1") = "9"
    & skf18("3","10","9","5","3","1","1") = "9"
    & skf18("3","10","9","5","3","2","1") = "9"
    & skf18("3","10","9","5","3","3","1") = "9"
    & skf18("3","10","9","5","3","4","1") = "9"
    & skf18("3","10","9","5","3","5","1") = "9"
    & skf18("3","10","9","5","3","6","1") = "9"
    & skf18("3","10","9","5","3","7","1") = "9"
    & skf18("3","10","9","5","3","8","1") = "9"
    & skf18("3","10","9","5","3","9","1") = "9"
    & skf18("3","10","9","5","3","10","1") = "9"
    & skf18("3","10","9","5","4","1","1") = "9"
    & skf18("3","10","9","5","4","2","1") = "9"
    & skf18("3","10","9","5","4","3","1") = "9"
    & skf18("3","10","9","5","4","4","1") = "9"
    & skf18("3","10","9","5","4","5","1") = "9"
    & skf18("3","10","9","5","4","6","1") = "9"
    & skf18("3","10","9","5","4","7","1") = "9"
    & skf18("3","10","9","5","4","8","1") = "9"
    & skf18("3","10","9","5","4","9","1") = "9"
    & skf18("3","10","9","5","4","10","1") = "9"
    & skf18("3","10","9","5","5","1","1") = "9"
    & skf18("3","10","9","5","5","2","1") = "9"
    & skf18("3","10","9","5","5","3","1") = "9"
    & skf18("3","10","9","5","5","4","1") = "9"
    & skf18("3","10","9","5","5","5","1") = "9"
    & skf18("3","10","9","5","5","6","1") = "9"
    & skf18("3","10","9","5","5","7","1") = "9"
    & skf18("3","10","9","5","5","8","1") = "9"
    & skf18("3","10","9","5","5","9","1") = "9"
    & skf18("3","10","9","5","5","10","1") = "9"
    & skf18("3","10","9","5","6","1","1") = "9"
    & skf18("3","10","9","5","6","2","1") = "9"
    & skf18("3","10","9","5","6","3","1") = "9"
    & skf18("3","10","9","5","6","4","1") = "9"
    & skf18("3","10","9","5","6","5","1") = "9"
    & skf18("3","10","9","5","6","6","1") = "9"
    & skf18("3","10","9","5","6","7","1") = "9"
    & skf18("3","10","9","5","6","8","1") = "9"
    & skf18("3","10","9","5","6","9","1") = "9"
    & skf18("3","10","9","5","6","10","1") = "9"
    & skf18("3","10","9","5","7","1","1") = "9"
    & skf18("3","10","9","5","7","2","1") = "9"
    & skf18("3","10","9","5","7","3","1") = "9"
    & skf18("3","10","9","5","7","4","1") = "9"
    & skf18("3","10","9","5","7","5","1") = "9"
    & skf18("3","10","9","5","7","6","1") = "9"
    & skf18("3","10","9","5","7","7","1") = "9"
    & skf18("3","10","9","5","7","8","1") = "9"
    & skf18("3","10","9","5","7","9","1") = "9"
    & skf18("3","10","9","5","7","10","1") = "9"
    & skf18("3","10","9","5","8","1","1") = "9"
    & skf18("3","10","9","5","8","2","1") = "9"
    & skf18("3","10","9","5","8","3","1") = "9"
    & skf18("3","10","9","5","8","4","1") = "9"
    & skf18("3","10","9","5","8","5","1") = "9"
    & skf18("3","10","9","5","8","6","1") = "9"
    & skf18("3","10","9","5","8","7","1") = "9"
    & skf18("3","10","9","5","8","8","1") = "9"
    & skf18("3","10","9","5","8","9","1") = "9"
    & skf18("3","10","9","5","8","10","1") = "9"
    & skf18("3","10","9","5","9","1","1") = "9"
    & skf18("3","10","9","5","9","2","1") = "9"
    & skf18("3","10","9","5","9","3","1") = "9"
    & skf18("3","10","9","5","9","4","1") = "9"
    & skf18("3","10","9","5","9","5","1") = "9"
    & skf18("3","10","9","5","9","6","1") = "9"
    & skf18("3","10","9","5","9","7","1") = "9"
    & skf18("3","10","9","5","9","8","1") = "9"
    & skf18("3","10","9","5","9","9","1") = "9"
    & skf18("3","10","9","5","9","10","1") = "9"
    & skf18("3","10","9","5","10","1","1") = "9"
    & skf18("3","10","9","5","10","2","1") = "9"
    & skf18("3","10","9","5","10","3","1") = "9"
    & skf18("3","10","9","5","10","4","1") = "9"
    & skf18("3","10","9","5","10","5","1") = "9"
    & skf18("3","10","9","5","10","6","1") = "9"
    & skf18("3","10","9","5","10","7","1") = "9"
    & skf18("3","10","9","5","10","8","1") = "9"
    & skf18("3","10","9","5","10","9","1") = "9"
    & skf18("3","10","9","5","10","10","1") = "9"
    & skf18("3","10","9","6","1","1","1") = "9"
    & skf18("3","10","9","6","1","2","1") = "9"
    & skf18("3","10","9","6","1","3","1") = "9"
    & skf18("3","10","9","6","1","4","1") = "9"
    & skf18("3","10","9","6","1","5","1") = "9"
    & skf18("3","10","9","6","1","6","1") = "9"
    & skf18("3","10","9","6","1","7","1") = "9"
    & skf18("3","10","9","6","1","8","1") = "9"
    & skf18("3","10","9","6","1","9","1") = "9"
    & skf18("3","10","9","6","1","10","1") = "9"
    & skf18("3","10","9","6","2","1","1") = "9"
    & skf18("3","10","9","6","2","2","1") = "9"
    & skf18("3","10","9","6","2","3","1") = "9"
    & skf18("3","10","9","6","2","4","1") = "9"
    & skf18("3","10","9","6","2","5","1") = "9"
    & skf18("3","10","9","6","2","6","1") = "9"
    & skf18("3","10","9","6","2","7","1") = "9"
    & skf18("3","10","9","6","2","8","1") = "9"
    & skf18("3","10","9","6","2","9","1") = "9"
    & skf18("3","10","9","6","2","10","1") = "9"
    & skf18("3","10","9","6","3","1","1") = "9"
    & skf18("3","10","9","6","3","2","1") = "9"
    & skf18("3","10","9","6","3","3","1") = "9"
    & skf18("3","10","9","6","3","4","1") = "9"
    & skf18("3","10","9","6","3","5","1") = "9"
    & skf18("3","10","9","6","3","6","1") = "9"
    & skf18("3","10","9","6","3","7","1") = "9"
    & skf18("3","10","9","6","3","8","1") = "9"
    & skf18("3","10","9","6","3","9","1") = "9"
    & skf18("3","10","9","6","3","10","1") = "9"
    & skf18("3","10","9","6","4","1","1") = "9"
    & skf18("3","10","9","6","4","2","1") = "9"
    & skf18("3","10","9","6","4","3","1") = "9"
    & skf18("3","10","9","6","4","4","1") = "9"
    & skf18("3","10","9","6","4","5","1") = "9"
    & skf18("3","10","9","6","4","6","1") = "9"
    & skf18("3","10","9","6","4","7","1") = "9"
    & skf18("3","10","9","6","4","8","1") = "9"
    & skf18("3","10","9","6","4","9","1") = "9"
    & skf18("3","10","9","6","4","10","1") = "9"
    & skf18("3","10","9","6","5","1","1") = "9"
    & skf18("3","10","9","6","5","2","1") = "9"
    & skf18("3","10","9","6","5","3","1") = "9"
    & skf18("3","10","9","6","5","4","1") = "9"
    & skf18("3","10","9","6","5","5","1") = "9"
    & skf18("3","10","9","6","5","6","1") = "9"
    & skf18("3","10","9","6","5","7","1") = "9"
    & skf18("3","10","9","6","5","8","1") = "9"
    & skf18("3","10","9","6","5","9","1") = "9"
    & skf18("3","10","9","6","5","10","1") = "9"
    & skf18("3","10","9","6","6","1","1") = "9"
    & skf18("3","10","9","6","6","2","1") = "9"
    & skf18("3","10","9","6","6","3","1") = "9"
    & skf18("3","10","9","6","6","4","1") = "9"
    & skf18("3","10","9","6","6","5","1") = "9"
    & skf18("3","10","9","6","6","6","1") = "9"
    & skf18("3","10","9","6","6","7","1") = "9"
    & skf18("3","10","9","6","6","8","1") = "9"
    & skf18("3","10","9","6","6","9","1") = "9"
    & skf18("3","10","9","6","6","10","1") = "9"
    & skf18("3","10","9","6","7","1","1") = "9"
    & skf18("3","10","9","6","7","2","1") = "9"
    & skf18("3","10","9","6","7","3","1") = "9"
    & skf18("3","10","9","6","7","4","1") = "9"
    & skf18("3","10","9","6","7","5","1") = "9"
    & skf18("3","10","9","6","7","6","1") = "9"
    & skf18("3","10","9","6","7","7","1") = "9"
    & skf18("3","10","9","6","7","8","1") = "9"
    & skf18("3","10","9","6","7","9","1") = "9"
    & skf18("3","10","9","6","7","10","1") = "9"
    & skf18("3","10","9","6","8","1","1") = "9"
    & skf18("3","10","9","6","8","2","1") = "9"
    & skf18("3","10","9","6","8","3","1") = "9"
    & skf18("3","10","9","6","8","4","1") = "9"
    & skf18("3","10","9","6","8","5","1") = "9"
    & skf18("3","10","9","6","8","6","1") = "9"
    & skf18("3","10","9","6","8","7","1") = "9"
    & skf18("3","10","9","6","8","8","1") = "9"
    & skf18("3","10","9","6","8","9","1") = "9"
    & skf18("3","10","9","6","8","10","1") = "9"
    & skf18("3","10","9","6","9","1","1") = "9"
    & skf18("3","10","9","6","9","2","1") = "9"
    & skf18("3","10","9","6","9","3","1") = "9"
    & skf18("3","10","9","6","9","4","1") = "9"
    & skf18("3","10","9","6","9","5","1") = "9"
    & skf18("3","10","9","6","9","6","1") = "9"
    & skf18("3","10","9","6","9","7","1") = "9"
    & skf18("3","10","9","6","9","8","1") = "9"
    & skf18("3","10","9","6","9","9","1") = "9"
    & skf18("3","10","9","6","9","10","1") = "9"
    & skf18("3","10","9","6","10","1","1") = "9"
    & skf18("3","10","9","6","10","2","1") = "9"
    & skf18("3","10","9","6","10","3","1") = "9"
    & skf18("3","10","9","6","10","4","1") = "9"
    & skf18("3","10","9","6","10","5","1") = "9"
    & skf18("3","10","9","6","10","6","1") = "9"
    & skf18("3","10","9","6","10","7","1") = "9"
    & skf18("3","10","9","6","10","8","1") = "9"
    & skf18("3","10","9","6","10","9","1") = "9"
    & skf18("3","10","9","6","10","10","1") = "9"
    & skf18("3","10","9","7","1","1","1") = "9"
    & skf18("3","10","9","7","1","2","1") = "9"
    & skf18("3","10","9","7","1","3","1") = "9"
    & skf18("3","10","9","7","1","4","1") = "9"
    & skf18("3","10","9","7","1","5","1") = "9"
    & skf18("3","10","9","7","1","6","1") = "9"
    & skf18("3","10","9","7","1","7","1") = "9"
    & skf18("3","10","9","7","1","8","1") = "9"
    & skf18("3","10","9","7","1","9","1") = "9"
    & skf18("3","10","9","7","1","10","1") = "9"
    & skf18("3","10","9","7","2","1","1") = "9"
    & skf18("3","10","9","7","2","2","1") = "9"
    & skf18("3","10","9","7","2","3","1") = "9"
    & skf18("3","10","9","7","2","4","1") = "9"
    & skf18("3","10","9","7","2","5","1") = "9"
    & skf18("3","10","9","7","2","6","1") = "9"
    & skf18("3","10","9","7","2","7","1") = "9"
    & skf18("3","10","9","7","2","8","1") = "9"
    & skf18("3","10","9","7","2","9","1") = "9"
    & skf18("3","10","9","7","2","10","1") = "9"
    & skf18("3","10","9","7","3","1","1") = "9"
    & skf18("3","10","9","7","3","2","1") = "9"
    & skf18("3","10","9","7","3","3","1") = "9"
    & skf18("3","10","9","7","3","4","1") = "9"
    & skf18("3","10","9","7","3","5","1") = "9"
    & skf18("3","10","9","7","3","6","1") = "9"
    & skf18("3","10","9","7","3","7","1") = "9"
    & skf18("3","10","9","7","3","8","1") = "9"
    & skf18("3","10","9","7","3","9","1") = "9"
    & skf18("3","10","9","7","3","10","1") = "9"
    & skf18("3","10","9","7","4","1","1") = "9"
    & skf18("3","10","9","7","4","2","1") = "9"
    & skf18("3","10","9","7","4","3","1") = "9"
    & skf18("3","10","9","7","4","4","1") = "9"
    & skf18("3","10","9","7","4","5","1") = "9"
    & skf18("3","10","9","7","4","6","1") = "9"
    & skf18("3","10","9","7","4","7","1") = "9"
    & skf18("3","10","9","7","4","8","1") = "9"
    & skf18("3","10","9","7","4","9","1") = "9"
    & skf18("3","10","9","7","4","10","1") = "9"
    & skf18("3","10","9","7","5","1","1") = "9"
    & skf18("3","10","9","7","5","2","1") = "9"
    & skf18("3","10","9","7","5","3","1") = "9"
    & skf18("3","10","9","7","5","4","1") = "9"
    & skf18("3","10","9","7","5","5","1") = "9"
    & skf18("3","10","9","7","5","6","1") = "9"
    & skf18("3","10","9","7","5","7","1") = "9"
    & skf18("3","10","9","7","5","8","1") = "9"
    & skf18("3","10","9","7","5","9","1") = "9"
    & skf18("3","10","9","7","5","10","1") = "9"
    & skf18("3","10","9","7","6","1","1") = "9"
    & skf18("3","10","9","7","6","2","1") = "9"
    & skf18("3","10","9","7","6","3","1") = "9"
    & skf18("3","10","9","7","6","4","1") = "9"
    & skf18("3","10","9","7","6","5","1") = "9"
    & skf18("3","10","9","7","6","6","1") = "9"
    & skf18("3","10","9","7","6","7","1") = "9"
    & skf18("3","10","9","7","6","8","1") = "9"
    & skf18("3","10","9","7","6","9","1") = "9"
    & skf18("3","10","9","7","6","10","1") = "9"
    & skf18("3","10","9","7","7","1","1") = "9"
    & skf18("3","10","9","7","7","2","1") = "9"
    & skf18("3","10","9","7","7","3","1") = "9"
    & skf18("3","10","9","7","7","4","1") = "9"
    & skf18("3","10","9","7","7","5","1") = "9"
    & skf18("3","10","9","7","7","6","1") = "9"
    & skf18("3","10","9","7","7","7","1") = "9"
    & skf18("3","10","9","7","7","8","1") = "9"
    & skf18("3","10","9","7","7","9","1") = "9"
    & skf18("3","10","9","7","7","10","1") = "9"
    & skf18("3","10","9","7","8","1","1") = "9"
    & skf18("3","10","9","7","8","2","1") = "9"
    & skf18("3","10","9","7","8","3","1") = "9"
    & skf18("3","10","9","7","8","4","1") = "9"
    & skf18("3","10","9","7","8","5","1") = "9"
    & skf18("3","10","9","7","8","6","1") = "9"
    & skf18("3","10","9","7","8","7","1") = "9"
    & skf18("3","10","9","7","8","8","1") = "9"
    & skf18("3","10","9","7","8","9","1") = "9"
    & skf18("3","10","9","7","8","10","1") = "9"
    & skf18("3","10","9","7","9","1","1") = "9"
    & skf18("3","10","9","7","9","2","1") = "9"
    & skf18("3","10","9","7","9","3","1") = "9"
    & skf18("3","10","9","7","9","4","1") = "9"
    & skf18("3","10","9","7","9","5","1") = "9"
    & skf18("3","10","9","7","9","6","1") = "9"
    & skf18("3","10","9","7","9","7","1") = "9"
    & skf18("3","10","9","7","9","8","1") = "9"
    & skf18("3","10","9","7","9","9","1") = "9"
    & skf18("3","10","9","7","9","10","1") = "9"
    & skf18("3","10","9","7","10","1","1") = "9"
    & skf18("3","10","9","7","10","2","1") = "9"
    & skf18("3","10","9","7","10","3","1") = "9"
    & skf18("3","10","9","7","10","4","1") = "9"
    & skf18("3","10","9","7","10","5","1") = "9"
    & skf18("3","10","9","7","10","6","1") = "9"
    & skf18("3","10","9","7","10","7","1") = "9"
    & skf18("3","10","9","7","10","8","1") = "9"
    & skf18("3","10","9","7","10","9","1") = "9"
    & skf18("3","10","9","7","10","10","1") = "9"
    & skf18("3","10","9","8","1","1","1") = "9"
    & skf18("3","10","9","8","1","2","1") = "9"
    & skf18("3","10","9","8","1","3","1") = "9"
    & skf18("3","10","9","8","1","4","1") = "9"
    & skf18("3","10","9","8","1","5","1") = "9"
    & skf18("3","10","9","8","1","6","1") = "9"
    & skf18("3","10","9","8","1","7","1") = "9"
    & skf18("3","10","9","8","1","8","1") = "9"
    & skf18("3","10","9","8","1","9","1") = "9"
    & skf18("3","10","9","8","1","10","1") = "9"
    & skf18("3","10","9","8","2","1","1") = "9"
    & skf18("3","10","9","8","2","2","1") = "9"
    & skf18("3","10","9","8","2","3","1") = "9"
    & skf18("3","10","9","8","2","4","1") = "9"
    & skf18("3","10","9","8","2","5","1") = "9"
    & skf18("3","10","9","8","2","6","1") = "9"
    & skf18("3","10","9","8","2","7","1") = "9"
    & skf18("3","10","9","8","2","8","1") = "9"
    & skf18("3","10","9","8","2","9","1") = "9"
    & skf18("3","10","9","8","2","10","1") = "9"
    & skf18("3","10","9","8","3","1","1") = "9"
    & skf18("3","10","9","8","3","2","1") = "9"
    & skf18("3","10","9","8","3","3","1") = "9"
    & skf18("3","10","9","8","3","4","1") = "9"
    & skf18("3","10","9","8","3","5","1") = "9"
    & skf18("3","10","9","8","3","6","1") = "9"
    & skf18("3","10","9","8","3","7","1") = "9"
    & skf18("3","10","9","8","3","8","1") = "9"
    & skf18("3","10","9","8","3","9","1") = "9"
    & skf18("3","10","9","8","3","10","1") = "9"
    & skf18("3","10","9","8","4","1","1") = "9"
    & skf18("3","10","9","8","4","2","1") = "9"
    & skf18("3","10","9","8","4","3","1") = "9"
    & skf18("3","10","9","8","4","4","1") = "9"
    & skf18("3","10","9","8","4","5","1") = "9"
    & skf18("3","10","9","8","4","6","1") = "9"
    & skf18("3","10","9","8","4","7","1") = "9"
    & skf18("3","10","9","8","4","8","1") = "9"
    & skf18("3","10","9","8","4","9","1") = "9"
    & skf18("3","10","9","8","4","10","1") = "9"
    & skf18("3","10","9","8","5","1","1") = "9"
    & skf18("3","10","9","8","5","2","1") = "9"
    & skf18("3","10","9","8","5","3","1") = "9"
    & skf18("3","10","9","8","5","4","1") = "9"
    & skf18("3","10","9","8","5","5","1") = "9"
    & skf18("3","10","9","8","5","6","1") = "9"
    & skf18("3","10","9","8","5","7","1") = "9"
    & skf18("3","10","9","8","5","8","1") = "9"
    & skf18("3","10","9","8","5","9","1") = "9"
    & skf18("3","10","9","8","5","10","1") = "9"
    & skf18("3","10","9","8","6","1","1") = "9"
    & skf18("3","10","9","8","6","2","1") = "9"
    & skf18("3","10","9","8","6","3","1") = "9"
    & skf18("3","10","9","8","6","4","1") = "9"
    & skf18("3","10","9","8","6","5","1") = "9"
    & skf18("3","10","9","8","6","6","1") = "9"
    & skf18("3","10","9","8","6","7","1") = "9"
    & skf18("3","10","9","8","6","8","1") = "9"
    & skf18("3","10","9","8","6","9","1") = "9"
    & skf18("3","10","9","8","6","10","1") = "9"
    & skf18("3","10","9","8","7","1","1") = "9"
    & skf18("3","10","9","8","7","2","1") = "9"
    & skf18("3","10","9","8","7","3","1") = "9"
    & skf18("3","10","9","8","7","4","1") = "9"
    & skf18("3","10","9","8","7","5","1") = "9"
    & skf18("3","10","9","8","7","6","1") = "9"
    & skf18("3","10","9","8","7","7","1") = "9"
    & skf18("3","10","9","8","7","8","1") = "9"
    & skf18("3","10","9","8","7","9","1") = "9"
    & skf18("3","10","9","8","7","10","1") = "9"
    & skf18("3","10","9","8","8","1","1") = "9"
    & skf18("3","10","9","8","8","2","1") = "9"
    & skf18("3","10","9","8","8","3","1") = "9"
    & skf18("3","10","9","8","8","4","1") = "9"
    & skf18("3","10","9","8","8","5","1") = "9"
    & skf18("3","10","9","8","8","6","1") = "9"
    & skf18("3","10","9","8","8","7","1") = "9"
    & skf18("3","10","9","8","8","8","1") = "9"
    & skf18("3","10","9","8","8","9","1") = "9"
    & skf18("3","10","9","8","8","10","1") = "9"
    & skf18("3","10","9","8","9","1","1") = "9"
    & skf18("3","10","9","8","9","2","1") = "9"
    & skf18("3","10","9","8","9","3","1") = "9"
    & skf18("3","10","9","8","9","4","1") = "9"
    & skf18("3","10","9","8","9","5","1") = "9"
    & skf18("3","10","9","8","9","6","1") = "9"
    & skf18("3","10","9","8","9","7","1") = "9"
    & skf18("3","10","9","8","9","8","1") = "9"
    & skf18("3","10","9","8","9","9","1") = "9"
    & skf18("3","10","9","8","9","10","1") = "9"
    & skf18("3","10","9","8","10","1","1") = "9"
    & skf18("3","10","9","8","10","2","1") = "9"
    & skf18("3","10","9","8","10","3","1") = "9"
    & skf18("3","10","9","8","10","4","1") = "9"
    & skf18("3","10","9","8","10","5","1") = "9"
    & skf18("3","10","9","8","10","6","1") = "9"
    & skf18("3","10","9","8","10","7","1") = "9"
    & skf18("3","10","9","8","10","8","1") = "9"
    & skf18("3","10","9","8","10","9","1") = "9"
    & skf18("3","10","9","8","10","10","1") = "9"
    & skf18("3","10","9","9","1","1","1") = "9"
    & skf18("3","10","9","9","1","2","1") = "9"
    & skf18("3","10","9","9","1","3","1") = "9"
    & skf18("3","10","9","9","1","4","1") = "9"
    & skf18("3","10","9","9","1","5","1") = "9"
    & skf18("3","10","9","9","1","6","1") = "9"
    & skf18("3","10","9","9","1","7","1") = "9"
    & skf18("3","10","9","9","1","8","1") = "9"
    & skf18("3","10","9","9","1","9","1") = "9"
    & skf18("3","10","9","9","1","10","1") = "9"
    & skf18("3","10","9","9","2","1","1") = "9"
    & skf18("3","10","9","9","2","2","1") = "9"
    & skf18("3","10","9","9","2","3","1") = "9"
    & skf18("3","10","9","9","2","4","1") = "9"
    & skf18("3","10","9","9","2","5","1") = "9"
    & skf18("3","10","9","9","2","6","1") = "9"
    & skf18("3","10","9","9","2","7","1") = "9"
    & skf18("3","10","9","9","2","8","1") = "9"
    & skf18("3","10","9","9","2","9","1") = "9"
    & skf18("3","10","9","9","2","10","1") = "9"
    & skf18("3","10","9","9","3","1","1") = "9"
    & skf18("3","10","9","9","3","2","1") = "9"
    & skf18("3","10","9","9","3","3","1") = "9"
    & skf18("3","10","9","9","3","4","1") = "9"
    & skf18("3","10","9","9","3","5","1") = "9"
    & skf18("3","10","9","9","3","6","1") = "9"
    & skf18("3","10","9","9","3","7","1") = "9"
    & skf18("3","10","9","9","3","8","1") = "9"
    & skf18("3","10","9","9","3","9","1") = "9"
    & skf18("3","10","9","9","3","10","1") = "9"
    & skf18("3","10","9","9","4","1","1") = "9"
    & skf18("3","10","9","9","4","2","1") = "9"
    & skf18("3","10","9","9","4","3","1") = "9"
    & skf18("3","10","9","9","4","4","1") = "9"
    & skf18("3","10","9","9","4","5","1") = "9"
    & skf18("3","10","9","9","4","6","1") = "9"
    & skf18("3","10","9","9","4","7","1") = "9"
    & skf18("3","10","9","9","4","8","1") = "9"
    & skf18("3","10","9","9","4","9","1") = "9"
    & skf18("3","10","9","9","4","10","1") = "9"
    & skf18("3","10","9","9","5","1","1") = "9"
    & skf18("3","10","9","9","5","2","1") = "9"
    & skf18("3","10","9","9","5","3","1") = "9"
    & skf18("3","10","9","9","5","4","1") = "9"
    & skf18("3","10","9","9","5","5","1") = "9"
    & skf18("3","10","9","9","5","6","1") = "9"
    & skf18("3","10","9","9","5","7","1") = "9"
    & skf18("3","10","9","9","5","8","1") = "9"
    & skf18("3","10","9","9","5","9","1") = "9"
    & skf18("3","10","9","9","5","10","1") = "9"
    & skf18("3","10","9","9","6","1","1") = "9"
    & skf18("3","10","9","9","6","2","1") = "9"
    & skf18("3","10","9","9","6","3","1") = "9"
    & skf18("3","10","9","9","6","4","1") = "9"
    & skf18("3","10","9","9","6","5","1") = "9"
    & skf18("3","10","9","9","6","6","1") = "9"
    & skf18("3","10","9","9","6","7","1") = "9"
    & skf18("3","10","9","9","6","8","1") = "9"
    & skf18("3","10","9","9","6","9","1") = "9"
    & skf18("3","10","9","9","6","10","1") = "9"
    & skf18("3","10","9","9","7","1","1") = "9"
    & skf18("3","10","9","9","7","2","1") = "9"
    & skf18("3","10","9","9","7","3","1") = "9"
    & skf18("3","10","9","9","7","4","1") = "9"
    & skf18("3","10","9","9","7","5","1") = "9"
    & skf18("3","10","9","9","7","6","1") = "9"
    & skf18("3","10","9","9","7","7","1") = "9"
    & skf18("3","10","9","9","7","8","1") = "9"
    & skf18("3","10","9","9","7","9","1") = "9"
    & skf18("3","10","9","9","7","10","1") = "9"
    & skf18("3","10","9","9","8","1","1") = "9"
    & skf18("3","10","9","9","8","2","1") = "9"
    & skf18("3","10","9","9","8","3","1") = "9"
    & skf18("3","10","9","9","8","4","1") = "9"
    & skf18("3","10","9","9","8","5","1") = "9"
    & skf18("3","10","9","9","8","6","1") = "9"
    & skf18("3","10","9","9","8","7","1") = "9"
    & skf18("3","10","9","9","8","8","1") = "9"
    & skf18("3","10","9","9","8","9","1") = "9"
    & skf18("3","10","9","9","8","10","1") = "9"
    & skf18("3","10","9","9","9","1","1") = "9"
    & skf18("3","10","9","9","9","2","1") = "9"
    & skf18("3","10","9","9","9","3","1") = "9"
    & skf18("3","10","9","9","9","4","1") = "9"
    & skf18("3","10","9","9","9","5","1") = "9"
    & skf18("3","10","9","9","9","6","1") = "9"
    & skf18("3","10","9","9","9","7","1") = "9"
    & skf18("3","10","9","9","9","8","1") = "9"
    & skf18("3","10","9","9","9","9","1") = "9"
    & skf18("3","10","9","9","9","10","1") = "9"
    & skf18("3","10","9","9","10","1","1") = "9"
    & skf18("3","10","9","9","10","2","1") = "9"
    & skf18("3","10","9","9","10","3","1") = "9"
    & skf18("3","10","9","9","10","4","1") = "9"
    & skf18("3","10","9","9","10","5","1") = "9"
    & skf18("3","10","9","9","10","6","1") = "9"
    & skf18("3","10","9","9","10","7","1") = "9"
    & skf18("3","10","9","9","10","8","1") = "9"
    & skf18("3","10","9","9","10","9","1") = "9"
    & skf18("3","10","9","9","10","10","1") = "9"
    & skf18("3","10","9","10","1","1","1") = "9"
    & skf18("3","10","9","10","1","2","1") = "9"
    & skf18("3","10","9","10","1","3","1") = "9"
    & skf18("3","10","9","10","1","4","1") = "9"
    & skf18("3","10","9","10","1","5","1") = "9"
    & skf18("3","10","9","10","1","6","1") = "9"
    & skf18("3","10","9","10","1","7","1") = "9"
    & skf18("3","10","9","10","1","8","1") = "9"
    & skf18("3","10","9","10","1","9","1") = "9"
    & skf18("3","10","9","10","1","10","1") = "9"
    & skf18("3","10","9","10","2","1","1") = "9"
    & skf18("3","10","9","10","2","2","1") = "9"
    & skf18("3","10","9","10","2","3","1") = "9"
    & skf18("3","10","9","10","2","4","1") = "9"
    & skf18("3","10","9","10","2","5","1") = "9"
    & skf18("3","10","9","10","2","6","1") = "9"
    & skf18("3","10","9","10","2","7","1") = "9"
    & skf18("3","10","9","10","2","8","1") = "9"
    & skf18("3","10","9","10","2","9","1") = "9"
    & skf18("3","10","9","10","2","10","1") = "9"
    & skf18("3","10","9","10","3","1","1") = "9"
    & skf18("3","10","9","10","3","2","1") = "9"
    & skf18("3","10","9","10","3","3","1") = "9"
    & skf18("3","10","9","10","3","4","1") = "9"
    & skf18("3","10","9","10","3","5","1") = "9"
    & skf18("3","10","9","10","3","6","1") = "9"
    & skf18("3","10","9","10","3","7","1") = "9"
    & skf18("3","10","9","10","3","8","1") = "9"
    & skf18("3","10","9","10","3","9","1") = "9"
    & skf18("3","10","9","10","3","10","1") = "9"
    & skf18("3","10","9","10","4","1","1") = "9"
    & skf18("3","10","9","10","4","2","1") = "9"
    & skf18("3","10","9","10","4","3","1") = "9"
    & skf18("3","10","9","10","4","4","1") = "9"
    & skf18("3","10","9","10","4","5","1") = "9"
    & skf18("3","10","9","10","4","6","1") = "9"
    & skf18("3","10","9","10","4","7","1") = "9"
    & skf18("3","10","9","10","4","8","1") = "9"
    & skf18("3","10","9","10","4","9","1") = "9"
    & skf18("3","10","9","10","4","10","1") = "9"
    & skf18("3","10","9","10","5","1","1") = "9"
    & skf18("3","10","9","10","5","2","1") = "9"
    & skf18("3","10","9","10","5","3","1") = "9"
    & skf18("3","10","9","10","5","4","1") = "9"
    & skf18("3","10","9","10","5","5","1") = "9"
    & skf18("3","10","9","10","5","6","1") = "9"
    & skf18("3","10","9","10","5","7","1") = "9"
    & skf18("3","10","9","10","5","8","1") = "9"
    & skf18("3","10","9","10","5","9","1") = "9"
    & skf18("3","10","9","10","5","10","1") = "9"
    & skf18("3","10","9","10","6","1","1") = "9"
    & skf18("3","10","9","10","6","2","1") = "9"
    & skf18("3","10","9","10","6","3","1") = "9"
    & skf18("3","10","9","10","6","4","1") = "9"
    & skf18("3","10","9","10","6","5","1") = "9"
    & skf18("3","10","9","10","6","6","1") = "9"
    & skf18("3","10","9","10","6","7","1") = "9"
    & skf18("3","10","9","10","6","8","1") = "9"
    & skf18("3","10","9","10","6","9","1") = "9"
    & skf18("3","10","9","10","6","10","1") = "9"
    & skf18("3","10","9","10","7","1","1") = "9"
    & skf18("3","10","9","10","7","2","1") = "9"
    & skf18("3","10","9","10","7","3","1") = "9"
    & skf18("3","10","9","10","7","4","1") = "9"
    & skf18("3","10","9","10","7","5","1") = "9"
    & skf18("3","10","9","10","7","6","1") = "9"
    & skf18("3","10","9","10","7","7","1") = "9"
    & skf18("3","10","9","10","7","8","1") = "9"
    & skf18("3","10","9","10","7","9","1") = "9"
    & skf18("3","10","9","10","7","10","1") = "9"
    & skf18("3","10","9","10","8","1","1") = "9"
    & skf18("3","10","9","10","8","2","1") = "9"
    & skf18("3","10","9","10","8","3","1") = "9"
    & skf18("3","10","9","10","8","4","1") = "9"
    & skf18("3","10","9","10","8","5","1") = "9"
    & skf18("3","10","9","10","8","6","1") = "9"
    & skf18("3","10","9","10","8","7","1") = "9"
    & skf18("3","10","9","10","8","8","1") = "9"
    & skf18("3","10","9","10","8","9","1") = "9"
    & skf18("3","10","9","10","8","10","1") = "9"
    & skf18("3","10","9","10","9","1","1") = "9"
    & skf18("3","10","9","10","9","2","1") = "9"
    & skf18("3","10","9","10","9","3","1") = "9"
    & skf18("3","10","9","10","9","4","1") = "9"
    & skf18("3","10","9","10","9","5","1") = "9"
    & skf18("3","10","9","10","9","6","1") = "9"
    & skf18("3","10","9","10","9","7","1") = "9"
    & skf18("3","10","9","10","9","8","1") = "9"
    & skf18("3","10","9","10","9","9","1") = "9"
    & skf18("3","10","9","10","9","10","1") = "9"
    & skf18("3","10","9","10","10","1","1") = "9"
    & skf18("3","10","9","10","10","2","1") = "9"
    & skf18("3","10","9","10","10","3","1") = "9"
    & skf18("3","10","9","10","10","4","1") = "9"
    & skf18("3","10","9","10","10","5","1") = "9"
    & skf18("3","10","9","10","10","6","1") = "9"
    & skf18("3","10","9","10","10","7","1") = "9"
    & skf18("3","10","9","10","10","8","1") = "9"
    & skf18("3","10","9","10","10","9","1") = "9"
    & skf18("3","10","9","10","10","10","1") = "9"
    & skf18("3","10","10","1","1","1","1") = "9"
    & skf18("3","10","10","1","1","2","1") = "9"
    & skf18("3","10","10","1","1","3","1") = "9"
    & skf18("3","10","10","1","1","4","1") = "9"
    & skf18("3","10","10","1","1","5","1") = "9"
    & skf18("3","10","10","1","1","6","1") = "9"
    & skf18("3","10","10","1","1","7","1") = "9"
    & skf18("3","10","10","1","1","8","1") = "9"
    & skf18("3","10","10","1","1","9","1") = "9"
    & skf18("3","10","10","1","1","10","1") = "9"
    & skf18("3","10","10","1","2","1","1") = "9"
    & skf18("3","10","10","1","2","2","1") = "9"
    & skf18("3","10","10","1","2","3","1") = "9"
    & skf18("3","10","10","1","2","4","1") = "9"
    & skf18("3","10","10","1","2","5","1") = "9"
    & skf18("3","10","10","1","2","6","1") = "9"
    & skf18("3","10","10","1","2","7","1") = "9"
    & skf18("3","10","10","1","2","8","1") = "9"
    & skf18("3","10","10","1","2","9","1") = "9"
    & skf18("3","10","10","1","2","10","1") = "9"
    & skf18("3","10","10","1","3","1","1") = "9"
    & skf18("3","10","10","1","3","2","1") = "9"
    & skf18("3","10","10","1","3","3","1") = "9"
    & skf18("3","10","10","1","3","4","1") = "9"
    & skf18("3","10","10","1","3","5","1") = "9"
    & skf18("3","10","10","1","3","6","1") = "9"
    & skf18("3","10","10","1","3","7","1") = "9"
    & skf18("3","10","10","1","3","8","1") = "9"
    & skf18("3","10","10","1","3","9","1") = "9"
    & skf18("3","10","10","1","3","10","1") = "9"
    & skf18("3","10","10","1","4","1","1") = "9"
    & skf18("3","10","10","1","4","2","1") = "9"
    & skf18("3","10","10","1","4","3","1") = "9"
    & skf18("3","10","10","1","4","4","1") = "9"
    & skf18("3","10","10","1","4","5","1") = "9"
    & skf18("3","10","10","1","4","6","1") = "9"
    & skf18("3","10","10","1","4","7","1") = "9"
    & skf18("3","10","10","1","4","8","1") = "9"
    & skf18("3","10","10","1","4","9","1") = "9"
    & skf18("3","10","10","1","4","10","1") = "9"
    & skf18("3","10","10","1","5","1","1") = "9"
    & skf18("3","10","10","1","5","2","1") = "9"
    & skf18("3","10","10","1","5","3","1") = "9"
    & skf18("3","10","10","1","5","4","1") = "9"
    & skf18("3","10","10","1","5","5","1") = "9"
    & skf18("3","10","10","1","5","6","1") = "9"
    & skf18("3","10","10","1","5","7","1") = "9"
    & skf18("3","10","10","1","5","8","1") = "9"
    & skf18("3","10","10","1","5","9","1") = "9"
    & skf18("3","10","10","1","5","10","1") = "9"
    & skf18("3","10","10","1","6","1","1") = "9"
    & skf18("3","10","10","1","6","2","1") = "9"
    & skf18("3","10","10","1","6","3","1") = "9"
    & skf18("3","10","10","1","6","4","1") = "9"
    & skf18("3","10","10","1","6","5","1") = "9"
    & skf18("3","10","10","1","6","6","1") = "9"
    & skf18("3","10","10","1","6","7","1") = "9"
    & skf18("3","10","10","1","6","8","1") = "9"
    & skf18("3","10","10","1","6","9","1") = "9"
    & skf18("3","10","10","1","6","10","1") = "9"
    & skf18("3","10","10","1","7","1","1") = "9"
    & skf18("3","10","10","1","7","2","1") = "9"
    & skf18("3","10","10","1","7","3","1") = "9"
    & skf18("3","10","10","1","7","4","1") = "9"
    & skf18("3","10","10","1","7","5","1") = "9"
    & skf18("3","10","10","1","7","6","1") = "9"
    & skf18("3","10","10","1","7","7","1") = "9"
    & skf18("3","10","10","1","7","8","1") = "9"
    & skf18("3","10","10","1","7","9","1") = "9"
    & skf18("3","10","10","1","7","10","1") = "9"
    & skf18("3","10","10","1","8","1","1") = "9"
    & skf18("3","10","10","1","8","2","1") = "9"
    & skf18("3","10","10","1","8","3","1") = "9"
    & skf18("3","10","10","1","8","4","1") = "9"
    & skf18("3","10","10","1","8","5","1") = "9"
    & skf18("3","10","10","1","8","6","1") = "9"
    & skf18("3","10","10","1","8","7","1") = "9"
    & skf18("3","10","10","1","8","8","1") = "9"
    & skf18("3","10","10","1","8","9","1") = "9"
    & skf18("3","10","10","1","8","10","1") = "9"
    & skf18("3","10","10","1","9","1","1") = "9"
    & skf18("3","10","10","1","9","2","1") = "9"
    & skf18("3","10","10","1","9","3","1") = "9"
    & skf18("3","10","10","1","9","4","1") = "9"
    & skf18("3","10","10","1","9","5","1") = "9"
    & skf18("3","10","10","1","9","6","1") = "9"
    & skf18("3","10","10","1","9","7","1") = "9"
    & skf18("3","10","10","1","9","8","1") = "9"
    & skf18("3","10","10","1","9","9","1") = "9"
    & skf18("3","10","10","1","9","10","1") = "9"
    & skf18("3","10","10","1","10","1","1") = "9"
    & skf18("3","10","10","1","10","2","1") = "9"
    & skf18("3","10","10","1","10","3","1") = "9"
    & skf18("3","10","10","1","10","4","1") = "9"
    & skf18("3","10","10","1","10","5","1") = "9"
    & skf18("3","10","10","1","10","6","1") = "9"
    & skf18("3","10","10","1","10","7","1") = "9"
    & skf18("3","10","10","1","10","8","1") = "9"
    & skf18("3","10","10","1","10","9","1") = "9"
    & skf18("3","10","10","1","10","10","1") = "9"
    & skf18("3","10","10","2","1","1","1") = "9"
    & skf18("3","10","10","2","1","2","1") = "9"
    & skf18("3","10","10","2","1","3","1") = "9"
    & skf18("3","10","10","2","1","4","1") = "9"
    & skf18("3","10","10","2","1","5","1") = "9"
    & skf18("3","10","10","2","1","6","1") = "9"
    & skf18("3","10","10","2","1","7","1") = "9"
    & skf18("3","10","10","2","1","8","1") = "9"
    & skf18("3","10","10","2","1","9","1") = "9"
    & skf18("3","10","10","2","1","10","1") = "9"
    & skf18("3","10","10","2","2","1","1") = "9"
    & skf18("3","10","10","2","2","2","1") = "9"
    & skf18("3","10","10","2","2","3","1") = "9"
    & skf18("3","10","10","2","2","4","1") = "9"
    & skf18("3","10","10","2","2","5","1") = "9"
    & skf18("3","10","10","2","2","6","1") = "9"
    & skf18("3","10","10","2","2","7","1") = "9"
    & skf18("3","10","10","2","2","8","1") = "9"
    & skf18("3","10","10","2","2","9","1") = "9"
    & skf18("3","10","10","2","2","10","1") = "9"
    & skf18("3","10","10","2","3","1","1") = "9"
    & skf18("3","10","10","2","3","2","1") = "9"
    & skf18("3","10","10","2","3","3","1") = "9"
    & skf18("3","10","10","2","3","4","1") = "9"
    & skf18("3","10","10","2","3","5","1") = "9"
    & skf18("3","10","10","2","3","6","1") = "9"
    & skf18("3","10","10","2","3","7","1") = "9"
    & skf18("3","10","10","2","3","8","1") = "9"
    & skf18("3","10","10","2","3","9","1") = "9"
    & skf18("3","10","10","2","3","10","1") = "9"
    & skf18("3","10","10","2","4","1","1") = "9"
    & skf18("3","10","10","2","4","2","1") = "9"
    & skf18("3","10","10","2","4","3","1") = "9"
    & skf18("3","10","10","2","4","4","1") = "9"
    & skf18("3","10","10","2","4","5","1") = "9"
    & skf18("3","10","10","2","4","6","1") = "9"
    & skf18("3","10","10","2","4","7","1") = "9"
    & skf18("3","10","10","2","4","8","1") = "9"
    & skf18("3","10","10","2","4","9","1") = "9"
    & skf18("3","10","10","2","4","10","1") = "9"
    & skf18("3","10","10","2","5","1","1") = "9"
    & skf18("3","10","10","2","5","2","1") = "9"
    & skf18("3","10","10","2","5","3","1") = "9"
    & skf18("3","10","10","2","5","4","1") = "9"
    & skf18("3","10","10","2","5","5","1") = "9"
    & skf18("3","10","10","2","5","6","1") = "9"
    & skf18("3","10","10","2","5","7","1") = "9"
    & skf18("3","10","10","2","5","8","1") = "9"
    & skf18("3","10","10","2","5","9","1") = "9"
    & skf18("3","10","10","2","5","10","1") = "9"
    & skf18("3","10","10","2","6","1","1") = "9"
    & skf18("3","10","10","2","6","2","1") = "9"
    & skf18("3","10","10","2","6","3","1") = "9"
    & skf18("3","10","10","2","6","4","1") = "9"
    & skf18("3","10","10","2","6","5","1") = "9"
    & skf18("3","10","10","2","6","6","1") = "9"
    & skf18("3","10","10","2","6","7","1") = "9"
    & skf18("3","10","10","2","6","8","1") = "9"
    & skf18("3","10","10","2","6","9","1") = "9"
    & skf18("3","10","10","2","6","10","1") = "9"
    & skf18("3","10","10","2","7","1","1") = "9"
    & skf18("3","10","10","2","7","2","1") = "9"
    & skf18("3","10","10","2","7","3","1") = "9"
    & skf18("3","10","10","2","7","4","1") = "9"
    & skf18("3","10","10","2","7","5","1") = "9"
    & skf18("3","10","10","2","7","6","1") = "9"
    & skf18("3","10","10","2","7","7","1") = "9"
    & skf18("3","10","10","2","7","8","1") = "9"
    & skf18("3","10","10","2","7","9","1") = "9"
    & skf18("3","10","10","2","7","10","1") = "9"
    & skf18("3","10","10","2","8","1","1") = "9"
    & skf18("3","10","10","2","8","2","1") = "9"
    & skf18("3","10","10","2","8","3","1") = "9"
    & skf18("3","10","10","2","8","4","1") = "9"
    & skf18("3","10","10","2","8","5","1") = "9"
    & skf18("3","10","10","2","8","6","1") = "9"
    & skf18("3","10","10","2","8","7","1") = "9"
    & skf18("3","10","10","2","8","8","1") = "9"
    & skf18("3","10","10","2","8","9","1") = "9"
    & skf18("3","10","10","2","8","10","1") = "9"
    & skf18("3","10","10","2","9","1","1") = "9"
    & skf18("3","10","10","2","9","2","1") = "9"
    & skf18("3","10","10","2","9","3","1") = "9"
    & skf18("3","10","10","2","9","4","1") = "9"
    & skf18("3","10","10","2","9","5","1") = "9"
    & skf18("3","10","10","2","9","6","1") = "9"
    & skf18("3","10","10","2","9","7","1") = "9"
    & skf18("3","10","10","2","9","8","1") = "9"
    & skf18("3","10","10","2","9","9","1") = "9"
    & skf18("3","10","10","2","9","10","1") = "9"
    & skf18("3","10","10","2","10","1","1") = "9"
    & skf18("3","10","10","2","10","2","1") = "9"
    & skf18("3","10","10","2","10","3","1") = "9"
    & skf18("3","10","10","2","10","4","1") = "9"
    & skf18("3","10","10","2","10","5","1") = "9"
    & skf18("3","10","10","2","10","6","1") = "9"
    & skf18("3","10","10","2","10","7","1") = "9"
    & skf18("3","10","10","2","10","8","1") = "9"
    & skf18("3","10","10","2","10","9","1") = "9"
    & skf18("3","10","10","2","10","10","1") = "9"
    & skf18("3","10","10","3","1","1","1") = "9"
    & skf18("3","10","10","3","1","2","1") = "9"
    & skf18("3","10","10","3","1","3","1") = "9"
    & skf18("3","10","10","3","1","4","1") = "9"
    & skf18("3","10","10","3","1","5","1") = "9"
    & skf18("3","10","10","3","1","6","1") = "9"
    & skf18("3","10","10","3","1","7","1") = "9"
    & skf18("3","10","10","3","1","8","1") = "9"
    & skf18("3","10","10","3","1","9","1") = "9"
    & skf18("3","10","10","3","1","10","1") = "9"
    & skf18("3","10","10","3","2","1","1") = "9"
    & skf18("3","10","10","3","2","2","1") = "9"
    & skf18("3","10","10","3","2","3","1") = "9"
    & skf18("3","10","10","3","2","4","1") = "9"
    & skf18("3","10","10","3","2","5","1") = "9"
    & skf18("3","10","10","3","2","6","1") = "9"
    & skf18("3","10","10","3","2","7","1") = "9"
    & skf18("3","10","10","3","2","8","1") = "9"
    & skf18("3","10","10","3","2","9","1") = "9"
    & skf18("3","10","10","3","2","10","1") = "9"
    & skf18("3","10","10","3","3","1","1") = "9"
    & skf18("3","10","10","3","3","2","1") = "9"
    & skf18("3","10","10","3","3","3","1") = "9"
    & skf18("3","10","10","3","3","4","1") = "9"
    & skf18("3","10","10","3","3","5","1") = "9"
    & skf18("3","10","10","3","3","6","1") = "9"
    & skf18("3","10","10","3","3","7","1") = "9"
    & skf18("3","10","10","3","3","8","1") = "9"
    & skf18("3","10","10","3","3","9","1") = "9"
    & skf18("3","10","10","3","3","10","1") = "9"
    & skf18("3","10","10","3","4","1","1") = "9"
    & skf18("3","10","10","3","4","2","1") = "9"
    & skf18("3","10","10","3","4","3","1") = "9"
    & skf18("3","10","10","3","4","4","1") = "9"
    & skf18("3","10","10","3","4","5","1") = "9"
    & skf18("3","10","10","3","4","6","1") = "9"
    & skf18("3","10","10","3","4","7","1") = "9"
    & skf18("3","10","10","3","4","8","1") = "9"
    & skf18("3","10","10","3","4","9","1") = "9"
    & skf18("3","10","10","3","4","10","1") = "9"
    & skf18("3","10","10","3","5","1","1") = "9"
    & skf18("3","10","10","3","5","2","1") = "9"
    & skf18("3","10","10","3","5","3","1") = "9"
    & skf18("3","10","10","3","5","4","1") = "9"
    & skf18("3","10","10","3","5","5","1") = "9"
    & skf18("3","10","10","3","5","6","1") = "9"
    & skf18("3","10","10","3","5","7","1") = "9"
    & skf18("3","10","10","3","5","8","1") = "9"
    & skf18("3","10","10","3","5","9","1") = "9"
    & skf18("3","10","10","3","5","10","1") = "9"
    & skf18("3","10","10","3","6","1","1") = "9"
    & skf18("3","10","10","3","6","2","1") = "9"
    & skf18("3","10","10","3","6","3","1") = "9"
    & skf18("3","10","10","3","6","4","1") = "9"
    & skf18("3","10","10","3","6","5","1") = "9"
    & skf18("3","10","10","3","6","6","1") = "9"
    & skf18("3","10","10","3","6","7","1") = "9"
    & skf18("3","10","10","3","6","8","1") = "9"
    & skf18("3","10","10","3","6","9","1") = "9"
    & skf18("3","10","10","3","6","10","1") = "9"
    & skf18("3","10","10","3","7","1","1") = "9"
    & skf18("3","10","10","3","7","2","1") = "9"
    & skf18("3","10","10","3","7","3","1") = "9"
    & skf18("3","10","10","3","7","4","1") = "9"
    & skf18("3","10","10","3","7","5","1") = "9"
    & skf18("3","10","10","3","7","6","1") = "9"
    & skf18("3","10","10","3","7","7","1") = "9"
    & skf18("3","10","10","3","7","8","1") = "9"
    & skf18("3","10","10","3","7","9","1") = "9"
    & skf18("3","10","10","3","7","10","1") = "9"
    & skf18("3","10","10","3","8","1","1") = "9"
    & skf18("3","10","10","3","8","2","1") = "9"
    & skf18("3","10","10","3","8","3","1") = "9"
    & skf18("3","10","10","3","8","4","1") = "9"
    & skf18("3","10","10","3","8","5","1") = "9"
    & skf18("3","10","10","3","8","6","1") = "9"
    & skf18("3","10","10","3","8","7","1") = "9"
    & skf18("3","10","10","3","8","8","1") = "9"
    & skf18("3","10","10","3","8","9","1") = "9"
    & skf18("3","10","10","3","8","10","1") = "9"
    & skf18("3","10","10","3","9","1","1") = "9"
    & skf18("3","10","10","3","9","2","1") = "9"
    & skf18("3","10","10","3","9","3","1") = "9"
    & skf18("3","10","10","3","9","4","1") = "9"
    & skf18("3","10","10","3","9","5","1") = "9"
    & skf18("3","10","10","3","9","6","1") = "9"
    & skf18("3","10","10","3","9","7","1") = "9"
    & skf18("3","10","10","3","9","8","1") = "9"
    & skf18("3","10","10","3","9","9","1") = "9"
    & skf18("3","10","10","3","9","10","1") = "9"
    & skf18("3","10","10","3","10","1","1") = "9"
    & skf18("3","10","10","3","10","2","1") = "9"
    & skf18("3","10","10","3","10","3","1") = "9"
    & skf18("3","10","10","3","10","4","1") = "9"
    & skf18("3","10","10","3","10","5","1") = "9"
    & skf18("3","10","10","3","10","6","1") = "9"
    & skf18("3","10","10","3","10","7","1") = "9"
    & skf18("3","10","10","3","10","8","1") = "9"
    & skf18("3","10","10","3","10","9","1") = "9"
    & skf18("3","10","10","3","10","10","1") = "9"
    & skf18("3","10","10","4","1","1","1") = "9"
    & skf18("3","10","10","4","1","2","1") = "9"
    & skf18("3","10","10","4","1","3","1") = "9"
    & skf18("3","10","10","4","1","4","1") = "9"
    & skf18("3","10","10","4","1","5","1") = "9"
    & skf18("3","10","10","4","1","6","1") = "9"
    & skf18("3","10","10","4","1","7","1") = "9"
    & skf18("3","10","10","4","1","8","1") = "9"
    & skf18("3","10","10","4","1","9","1") = "9"
    & skf18("3","10","10","4","1","10","1") = "9"
    & skf18("3","10","10","4","2","1","1") = "9"
    & skf18("3","10","10","4","2","2","1") = "9"
    & skf18("3","10","10","4","2","3","1") = "9"
    & skf18("3","10","10","4","2","4","1") = "9"
    & skf18("3","10","10","4","2","5","1") = "9"
    & skf18("3","10","10","4","2","6","1") = "9"
    & skf18("3","10","10","4","2","7","1") = "9"
    & skf18("3","10","10","4","2","8","1") = "9"
    & skf18("3","10","10","4","2","9","1") = "9"
    & skf18("3","10","10","4","2","10","1") = "9"
    & skf18("3","10","10","4","3","1","1") = "9"
    & skf18("3","10","10","4","3","2","1") = "9"
    & skf18("3","10","10","4","3","3","1") = "9"
    & skf18("3","10","10","4","3","4","1") = "9"
    & skf18("3","10","10","4","3","5","1") = "9"
    & skf18("3","10","10","4","3","6","1") = "9"
    & skf18("3","10","10","4","3","7","1") = "9"
    & skf18("3","10","10","4","3","8","1") = "9"
    & skf18("3","10","10","4","3","9","1") = "9"
    & skf18("3","10","10","4","3","10","1") = "9"
    & skf18("3","10","10","4","4","1","1") = "9"
    & skf18("3","10","10","4","4","2","1") = "9"
    & skf18("3","10","10","4","4","3","1") = "9"
    & skf18("3","10","10","4","4","4","1") = "9"
    & skf18("3","10","10","4","4","5","1") = "9"
    & skf18("3","10","10","4","4","6","1") = "9"
    & skf18("3","10","10","4","4","7","1") = "9"
    & skf18("3","10","10","4","4","8","1") = "9"
    & skf18("3","10","10","4","4","9","1") = "9"
    & skf18("3","10","10","4","4","10","1") = "9"
    & skf18("3","10","10","4","5","1","1") = "9"
    & skf18("3","10","10","4","5","2","1") = "9"
    & skf18("3","10","10","4","5","3","1") = "9"
    & skf18("3","10","10","4","5","4","1") = "9"
    & skf18("3","10","10","4","5","5","1") = "9"
    & skf18("3","10","10","4","5","6","1") = "9"
    & skf18("3","10","10","4","5","7","1") = "9"
    & skf18("3","10","10","4","5","8","1") = "9"
    & skf18("3","10","10","4","5","9","1") = "9"
    & skf18("3","10","10","4","5","10","1") = "9"
    & skf18("3","10","10","4","6","1","1") = "9"
    & skf18("3","10","10","4","6","2","1") = "9"
    & skf18("3","10","10","4","6","3","1") = "9"
    & skf18("3","10","10","4","6","4","1") = "9"
    & skf18("3","10","10","4","6","5","1") = "9"
    & skf18("3","10","10","4","6","6","1") = "9"
    & skf18("3","10","10","4","6","7","1") = "9"
    & skf18("3","10","10","4","6","8","1") = "9"
    & skf18("3","10","10","4","6","9","1") = "9"
    & skf18("3","10","10","4","6","10","1") = "9"
    & skf18("3","10","10","4","7","1","1") = "9"
    & skf18("3","10","10","4","7","2","1") = "9"
    & skf18("3","10","10","4","7","3","1") = "9"
    & skf18("3","10","10","4","7","4","1") = "9"
    & skf18("3","10","10","4","7","5","1") = "9"
    & skf18("3","10","10","4","7","6","1") = "9"
    & skf18("3","10","10","4","7","7","1") = "9"
    & skf18("3","10","10","4","7","8","1") = "9"
    & skf18("3","10","10","4","7","9","1") = "9"
    & skf18("3","10","10","4","7","10","1") = "9"
    & skf18("3","10","10","4","8","1","1") = "9"
    & skf18("3","10","10","4","8","2","1") = "9"
    & skf18("3","10","10","4","8","3","1") = "9"
    & skf18("3","10","10","4","8","4","1") = "9"
    & skf18("3","10","10","4","8","5","1") = "9"
    & skf18("3","10","10","4","8","6","1") = "9"
    & skf18("3","10","10","4","8","7","1") = "9"
    & skf18("3","10","10","4","8","8","1") = "9"
    & skf18("3","10","10","4","8","9","1") = "9"
    & skf18("3","10","10","4","8","10","1") = "9"
    & skf18("3","10","10","4","9","1","1") = "9"
    & skf18("3","10","10","4","9","2","1") = "9"
    & skf18("3","10","10","4","9","3","1") = "9"
    & skf18("3","10","10","4","9","4","1") = "9"
    & skf18("3","10","10","4","9","5","1") = "9"
    & skf18("3","10","10","4","9","6","1") = "9"
    & skf18("3","10","10","4","9","7","1") = "9"
    & skf18("3","10","10","4","9","8","1") = "9"
    & skf18("3","10","10","4","9","9","1") = "9"
    & skf18("3","10","10","4","9","10","1") = "9"
    & skf18("3","10","10","4","10","1","1") = "9"
    & skf18("3","10","10","4","10","2","1") = "9"
    & skf18("3","10","10","4","10","3","1") = "9"
    & skf18("3","10","10","4","10","4","1") = "9"
    & skf18("3","10","10","4","10","5","1") = "9"
    & skf18("3","10","10","4","10","6","1") = "9"
    & skf18("3","10","10","4","10","7","1") = "9"
    & skf18("3","10","10","4","10","8","1") = "9"
    & skf18("3","10","10","4","10","9","1") = "9"
    & skf18("3","10","10","4","10","10","1") = "9"
    & skf18("3","10","10","5","1","1","1") = "9"
    & skf18("3","10","10","5","1","2","1") = "9"
    & skf18("3","10","10","5","1","3","1") = "9"
    & skf18("3","10","10","5","1","4","1") = "9"
    & skf18("3","10","10","5","1","5","1") = "9"
    & skf18("3","10","10","5","1","6","1") = "9"
    & skf18("3","10","10","5","1","7","1") = "9"
    & skf18("3","10","10","5","1","8","1") = "9"
    & skf18("3","10","10","5","1","9","1") = "9"
    & skf18("3","10","10","5","1","10","1") = "9"
    & skf18("3","10","10","5","2","1","1") = "9"
    & skf18("3","10","10","5","2","2","1") = "9"
    & skf18("3","10","10","5","2","3","1") = "9"
    & skf18("3","10","10","5","2","4","1") = "9"
    & skf18("3","10","10","5","2","5","1") = "9"
    & skf18("3","10","10","5","2","6","1") = "9"
    & skf18("3","10","10","5","2","7","1") = "9"
    & skf18("3","10","10","5","2","8","1") = "9"
    & skf18("3","10","10","5","2","9","1") = "9"
    & skf18("3","10","10","5","2","10","1") = "9"
    & skf18("3","10","10","5","3","1","1") = "9"
    & skf18("3","10","10","5","3","2","1") = "9"
    & skf18("3","10","10","5","3","3","1") = "9"
    & skf18("3","10","10","5","3","4","1") = "9"
    & skf18("3","10","10","5","3","5","1") = "9"
    & skf18("3","10","10","5","3","6","1") = "9"
    & skf18("3","10","10","5","3","7","1") = "9"
    & skf18("3","10","10","5","3","8","1") = "9"
    & skf18("3","10","10","5","3","9","1") = "9"
    & skf18("3","10","10","5","3","10","1") = "9"
    & skf18("3","10","10","5","4","1","1") = "9"
    & skf18("3","10","10","5","4","2","1") = "9"
    & skf18("3","10","10","5","4","3","1") = "9"
    & skf18("3","10","10","5","4","4","1") = "9"
    & skf18("3","10","10","5","4","5","1") = "9"
    & skf18("3","10","10","5","4","6","1") = "9"
    & skf18("3","10","10","5","4","7","1") = "9"
    & skf18("3","10","10","5","4","8","1") = "9"
    & skf18("3","10","10","5","4","9","1") = "9"
    & skf18("3","10","10","5","4","10","1") = "9"
    & skf18("3","10","10","5","5","1","1") = "9"
    & skf18("3","10","10","5","5","2","1") = "9"
    & skf18("3","10","10","5","5","3","1") = "9"
    & skf18("3","10","10","5","5","4","1") = "9"
    & skf18("3","10","10","5","5","5","1") = "9"
    & skf18("3","10","10","5","5","6","1") = "9"
    & skf18("3","10","10","5","5","7","1") = "9"
    & skf18("3","10","10","5","5","8","1") = "9"
    & skf18("3","10","10","5","5","9","1") = "9"
    & skf18("3","10","10","5","5","10","1") = "9"
    & skf18("3","10","10","5","6","1","1") = "9"
    & skf18("3","10","10","5","6","2","1") = "9"
    & skf18("3","10","10","5","6","3","1") = "9"
    & skf18("3","10","10","5","6","4","1") = "9"
    & skf18("3","10","10","5","6","5","1") = "9"
    & skf18("3","10","10","5","6","6","1") = "9"
    & skf18("3","10","10","5","6","7","1") = "9"
    & skf18("3","10","10","5","6","8","1") = "9"
    & skf18("3","10","10","5","6","9","1") = "9"
    & skf18("3","10","10","5","6","10","1") = "9"
    & skf18("3","10","10","5","7","1","1") = "9"
    & skf18("3","10","10","5","7","2","1") = "9"
    & skf18("3","10","10","5","7","3","1") = "9"
    & skf18("3","10","10","5","7","4","1") = "9"
    & skf18("3","10","10","5","7","5","1") = "9"
    & skf18("3","10","10","5","7","6","1") = "9"
    & skf18("3","10","10","5","7","7","1") = "9"
    & skf18("3","10","10","5","7","8","1") = "9"
    & skf18("3","10","10","5","7","9","1") = "9"
    & skf18("3","10","10","5","7","10","1") = "9"
    & skf18("3","10","10","5","8","1","1") = "9"
    & skf18("3","10","10","5","8","2","1") = "9"
    & skf18("3","10","10","5","8","3","1") = "9"
    & skf18("3","10","10","5","8","4","1") = "9"
    & skf18("3","10","10","5","8","5","1") = "9"
    & skf18("3","10","10","5","8","6","1") = "9"
    & skf18("3","10","10","5","8","7","1") = "9"
    & skf18("3","10","10","5","8","8","1") = "9"
    & skf18("3","10","10","5","8","9","1") = "9"
    & skf18("3","10","10","5","8","10","1") = "9"
    & skf18("3","10","10","5","9","1","1") = "9"
    & skf18("3","10","10","5","9","2","1") = "9"
    & skf18("3","10","10","5","9","3","1") = "9"
    & skf18("3","10","10","5","9","4","1") = "9"
    & skf18("3","10","10","5","9","5","1") = "9"
    & skf18("3","10","10","5","9","6","1") = "9"
    & skf18("3","10","10","5","9","7","1") = "9"
    & skf18("3","10","10","5","9","8","1") = "9"
    & skf18("3","10","10","5","9","9","1") = "9"
    & skf18("3","10","10","5","9","10","1") = "9"
    & skf18("3","10","10","5","10","1","1") = "9"
    & skf18("3","10","10","5","10","2","1") = "9"
    & skf18("3","10","10","5","10","3","1") = "9"
    & skf18("3","10","10","5","10","4","1") = "9"
    & skf18("3","10","10","5","10","5","1") = "9"
    & skf18("3","10","10","5","10","6","1") = "9"
    & skf18("3","10","10","5","10","7","1") = "9"
    & skf18("3","10","10","5","10","8","1") = "9"
    & skf18("3","10","10","5","10","9","1") = "9"
    & skf18("3","10","10","5","10","10","1") = "9"
    & skf18("3","10","10","6","1","1","1") = "9"
    & skf18("3","10","10","6","1","2","1") = "9"
    & skf18("3","10","10","6","1","3","1") = "9"
    & skf18("3","10","10","6","1","4","1") = "9"
    & skf18("3","10","10","6","1","5","1") = "9"
    & skf18("3","10","10","6","1","6","1") = "9"
    & skf18("3","10","10","6","1","7","1") = "9"
    & skf18("3","10","10","6","1","8","1") = "9"
    & skf18("3","10","10","6","1","9","1") = "9"
    & skf18("3","10","10","6","1","10","1") = "9"
    & skf18("3","10","10","6","2","1","1") = "9"
    & skf18("3","10","10","6","2","2","1") = "9"
    & skf18("3","10","10","6","2","3","1") = "9"
    & skf18("3","10","10","6","2","4","1") = "9"
    & skf18("3","10","10","6","2","5","1") = "9"
    & skf18("3","10","10","6","2","6","1") = "9"
    & skf18("3","10","10","6","2","7","1") = "9"
    & skf18("3","10","10","6","2","8","1") = "9"
    & skf18("3","10","10","6","2","9","1") = "9"
    & skf18("3","10","10","6","2","10","1") = "9"
    & skf18("3","10","10","6","3","1","1") = "9"
    & skf18("3","10","10","6","3","2","1") = "9"
    & skf18("3","10","10","6","3","3","1") = "9"
    & skf18("3","10","10","6","3","4","1") = "9"
    & skf18("3","10","10","6","3","5","1") = "9"
    & skf18("3","10","10","6","3","6","1") = "9"
    & skf18("3","10","10","6","3","7","1") = "9"
    & skf18("3","10","10","6","3","8","1") = "9"
    & skf18("3","10","10","6","3","9","1") = "9"
    & skf18("3","10","10","6","3","10","1") = "9"
    & skf18("3","10","10","6","4","1","1") = "9"
    & skf18("3","10","10","6","4","2","1") = "9"
    & skf18("3","10","10","6","4","3","1") = "9"
    & skf18("3","10","10","6","4","4","1") = "9"
    & skf18("3","10","10","6","4","5","1") = "9"
    & skf18("3","10","10","6","4","6","1") = "9"
    & skf18("3","10","10","6","4","7","1") = "9"
    & skf18("3","10","10","6","4","8","1") = "9"
    & skf18("3","10","10","6","4","9","1") = "9"
    & skf18("3","10","10","6","4","10","1") = "9"
    & skf18("3","10","10","6","5","1","1") = "9"
    & skf18("3","10","10","6","5","2","1") = "9"
    & skf18("3","10","10","6","5","3","1") = "9"
    & skf18("3","10","10","6","5","4","1") = "9"
    & skf18("3","10","10","6","5","5","1") = "9"
    & skf18("3","10","10","6","5","6","1") = "9"
    & skf18("3","10","10","6","5","7","1") = "9"
    & skf18("3","10","10","6","5","8","1") = "9"
    & skf18("3","10","10","6","5","9","1") = "9"
    & skf18("3","10","10","6","5","10","1") = "9"
    & skf18("3","10","10","6","6","1","1") = "9"
    & skf18("3","10","10","6","6","2","1") = "9"
    & skf18("3","10","10","6","6","3","1") = "9"
    & skf18("3","10","10","6","6","4","1") = "9"
    & skf18("3","10","10","6","6","5","1") = "9"
    & skf18("3","10","10","6","6","6","1") = "9"
    & skf18("3","10","10","6","6","7","1") = "9"
    & skf18("3","10","10","6","6","8","1") = "9"
    & skf18("3","10","10","6","6","9","1") = "9"
    & skf18("3","10","10","6","6","10","1") = "9"
    & skf18("3","10","10","6","7","1","1") = "9"
    & skf18("3","10","10","6","7","2","1") = "9"
    & skf18("3","10","10","6","7","3","1") = "9"
    & skf18("3","10","10","6","7","4","1") = "9"
    & skf18("3","10","10","6","7","5","1") = "9"
    & skf18("3","10","10","6","7","6","1") = "9"
    & skf18("3","10","10","6","7","7","1") = "9"
    & skf18("3","10","10","6","7","8","1") = "9"
    & skf18("3","10","10","6","7","9","1") = "9"
    & skf18("3","10","10","6","7","10","1") = "9"
    & skf18("3","10","10","6","8","1","1") = "9"
    & skf18("3","10","10","6","8","2","1") = "9"
    & skf18("3","10","10","6","8","3","1") = "9"
    & skf18("3","10","10","6","8","4","1") = "9"
    & skf18("3","10","10","6","8","5","1") = "9"
    & skf18("3","10","10","6","8","6","1") = "9"
    & skf18("3","10","10","6","8","7","1") = "9"
    & skf18("3","10","10","6","8","8","1") = "9"
    & skf18("3","10","10","6","8","9","1") = "9"
    & skf18("3","10","10","6","8","10","1") = "9"
    & skf18("3","10","10","6","9","1","1") = "9"
    & skf18("3","10","10","6","9","2","1") = "9"
    & skf18("3","10","10","6","9","3","1") = "9"
    & skf18("3","10","10","6","9","4","1") = "9"
    & skf18("3","10","10","6","9","5","1") = "9"
    & skf18("3","10","10","6","9","6","1") = "9"
    & skf18("3","10","10","6","9","7","1") = "9"
    & skf18("3","10","10","6","9","8","1") = "9"
    & skf18("3","10","10","6","9","9","1") = "9"
    & skf18("3","10","10","6","9","10","1") = "9"
    & skf18("3","10","10","6","10","1","1") = "9"
    & skf18("3","10","10","6","10","2","1") = "9"
    & skf18("3","10","10","6","10","3","1") = "9"
    & skf18("3","10","10","6","10","4","1") = "9"
    & skf18("3","10","10","6","10","5","1") = "9"
    & skf18("3","10","10","6","10","6","1") = "9"
    & skf18("3","10","10","6","10","7","1") = "9"
    & skf18("3","10","10","6","10","8","1") = "9"
    & skf18("3","10","10","6","10","9","1") = "9"
    & skf18("3","10","10","6","10","10","1") = "9"
    & skf18("3","10","10","7","1","1","1") = "9"
    & skf18("3","10","10","7","1","2","1") = "9"
    & skf18("3","10","10","7","1","3","1") = "9"
    & skf18("3","10","10","7","1","4","1") = "9"
    & skf18("3","10","10","7","1","5","1") = "9"
    & skf18("3","10","10","7","1","6","1") = "9"
    & skf18("3","10","10","7","1","7","1") = "9"
    & skf18("3","10","10","7","1","8","1") = "9"
    & skf18("3","10","10","7","1","9","1") = "9"
    & skf18("3","10","10","7","1","10","1") = "9"
    & skf18("3","10","10","7","2","1","1") = "9"
    & skf18("3","10","10","7","2","2","1") = "9"
    & skf18("3","10","10","7","2","3","1") = "9"
    & skf18("3","10","10","7","2","4","1") = "9"
    & skf18("3","10","10","7","2","5","1") = "9"
    & skf18("3","10","10","7","2","6","1") = "9"
    & skf18("3","10","10","7","2","7","1") = "9"
    & skf18("3","10","10","7","2","8","1") = "9"
    & skf18("3","10","10","7","2","9","1") = "9"
    & skf18("3","10","10","7","2","10","1") = "9"
    & skf18("3","10","10","7","3","1","1") = "9"
    & skf18("3","10","10","7","3","2","1") = "9"
    & skf18("3","10","10","7","3","3","1") = "9"
    & skf18("3","10","10","7","3","4","1") = "9"
    & skf18("3","10","10","7","3","5","1") = "9"
    & skf18("3","10","10","7","3","6","1") = "9"
    & skf18("3","10","10","7","3","7","1") = "9"
    & skf18("3","10","10","7","3","8","1") = "9"
    & skf18("3","10","10","7","3","9","1") = "9"
    & skf18("3","10","10","7","3","10","1") = "9"
    & skf18("3","10","10","7","4","1","1") = "9"
    & skf18("3","10","10","7","4","2","1") = "9"
    & skf18("3","10","10","7","4","3","1") = "9"
    & skf18("3","10","10","7","4","4","1") = "9"
    & skf18("3","10","10","7","4","5","1") = "9"
    & skf18("3","10","10","7","4","6","1") = "9"
    & skf18("3","10","10","7","4","7","1") = "9"
    & skf18("3","10","10","7","4","8","1") = "9"
    & skf18("3","10","10","7","4","9","1") = "9"
    & skf18("3","10","10","7","4","10","1") = "9"
    & skf18("3","10","10","7","5","1","1") = "9"
    & skf18("3","10","10","7","5","2","1") = "9"
    & skf18("3","10","10","7","5","3","1") = "9"
    & skf18("3","10","10","7","5","4","1") = "9"
    & skf18("3","10","10","7","5","5","1") = "9"
    & skf18("3","10","10","7","5","6","1") = "9"
    & skf18("3","10","10","7","5","7","1") = "9"
    & skf18("3","10","10","7","5","8","1") = "9"
    & skf18("3","10","10","7","5","9","1") = "9"
    & skf18("3","10","10","7","5","10","1") = "9"
    & skf18("3","10","10","7","6","1","1") = "9"
    & skf18("3","10","10","7","6","2","1") = "9"
    & skf18("3","10","10","7","6","3","1") = "9"
    & skf18("3","10","10","7","6","4","1") = "9"
    & skf18("3","10","10","7","6","5","1") = "9"
    & skf18("3","10","10","7","6","6","1") = "9"
    & skf18("3","10","10","7","6","7","1") = "9"
    & skf18("3","10","10","7","6","8","1") = "9"
    & skf18("3","10","10","7","6","9","1") = "9"
    & skf18("3","10","10","7","6","10","1") = "9"
    & skf18("3","10","10","7","7","1","1") = "9"
    & skf18("3","10","10","7","7","2","1") = "9"
    & skf18("3","10","10","7","7","3","1") = "9"
    & skf18("3","10","10","7","7","4","1") = "9"
    & skf18("3","10","10","7","7","5","1") = "9"
    & skf18("3","10","10","7","7","6","1") = "9"
    & skf18("3","10","10","7","7","7","1") = "9"
    & skf18("3","10","10","7","7","8","1") = "9"
    & skf18("3","10","10","7","7","9","1") = "9"
    & skf18("3","10","10","7","7","10","1") = "9"
    & skf18("3","10","10","7","8","1","1") = "9"
    & skf18("3","10","10","7","8","2","1") = "9"
    & skf18("3","10","10","7","8","3","1") = "9"
    & skf18("3","10","10","7","8","4","1") = "9"
    & skf18("3","10","10","7","8","5","1") = "9"
    & skf18("3","10","10","7","8","6","1") = "9"
    & skf18("3","10","10","7","8","7","1") = "9"
    & skf18("3","10","10","7","8","8","1") = "9"
    & skf18("3","10","10","7","8","9","1") = "9"
    & skf18("3","10","10","7","8","10","1") = "9"
    & skf18("3","10","10","7","9","1","1") = "9"
    & skf18("3","10","10","7","9","2","1") = "9"
    & skf18("3","10","10","7","9","3","1") = "9"
    & skf18("3","10","10","7","9","4","1") = "9"
    & skf18("3","10","10","7","9","5","1") = "9"
    & skf18("3","10","10","7","9","6","1") = "9"
    & skf18("3","10","10","7","9","7","1") = "9"
    & skf18("3","10","10","7","9","8","1") = "9"
    & skf18("3","10","10","7","9","9","1") = "9"
    & skf18("3","10","10","7","9","10","1") = "9"
    & skf18("3","10","10","7","10","1","1") = "9"
    & skf18("3","10","10","7","10","2","1") = "9"
    & skf18("3","10","10","7","10","3","1") = "9"
    & skf18("3","10","10","7","10","4","1") = "9"
    & skf18("3","10","10","7","10","5","1") = "9"
    & skf18("3","10","10","7","10","6","1") = "9"
    & skf18("3","10","10","7","10","7","1") = "9"
    & skf18("3","10","10","7","10","8","1") = "9"
    & skf18("3","10","10","7","10","9","1") = "9"
    & skf18("3","10","10","7","10","10","1") = "9"
    & skf18("3","10","10","8","1","1","1") = "9"
    & skf18("3","10","10","8","1","2","1") = "9"
    & skf18("3","10","10","8","1","3","1") = "9"
    & skf18("3","10","10","8","1","4","1") = "9"
    & skf18("3","10","10","8","1","5","1") = "9"
    & skf18("3","10","10","8","1","6","1") = "9"
    & skf18("3","10","10","8","1","7","1") = "9"
    & skf18("3","10","10","8","1","8","1") = "9"
    & skf18("3","10","10","8","1","9","1") = "9"
    & skf18("3","10","10","8","1","10","1") = "9"
    & skf18("3","10","10","8","2","1","1") = "9"
    & skf18("3","10","10","8","2","2","1") = "9"
    & skf18("3","10","10","8","2","3","1") = "9"
    & skf18("3","10","10","8","2","4","1") = "9"
    & skf18("3","10","10","8","2","5","1") = "9"
    & skf18("3","10","10","8","2","6","1") = "9"
    & skf18("3","10","10","8","2","7","1") = "9"
    & skf18("3","10","10","8","2","8","1") = "9"
    & skf18("3","10","10","8","2","9","1") = "9"
    & skf18("3","10","10","8","2","10","1") = "9"
    & skf18("3","10","10","8","3","1","1") = "9"
    & skf18("3","10","10","8","3","2","1") = "9"
    & skf18("3","10","10","8","3","3","1") = "9"
    & skf18("3","10","10","8","3","4","1") = "9"
    & skf18("3","10","10","8","3","5","1") = "9"
    & skf18("3","10","10","8","3","6","1") = "9"
    & skf18("3","10","10","8","3","7","1") = "9"
    & skf18("3","10","10","8","3","8","1") = "9"
    & skf18("3","10","10","8","3","9","1") = "9"
    & skf18("3","10","10","8","3","10","1") = "9"
    & skf18("3","10","10","8","4","1","1") = "9"
    & skf18("3","10","10","8","4","2","1") = "9"
    & skf18("3","10","10","8","4","3","1") = "9"
    & skf18("3","10","10","8","4","4","1") = "9"
    & skf18("3","10","10","8","4","5","1") = "9"
    & skf18("3","10","10","8","4","6","1") = "9"
    & skf18("3","10","10","8","4","7","1") = "9"
    & skf18("3","10","10","8","4","8","1") = "9"
    & skf18("3","10","10","8","4","9","1") = "9"
    & skf18("3","10","10","8","4","10","1") = "9"
    & skf18("3","10","10","8","5","1","1") = "9"
    & skf18("3","10","10","8","5","2","1") = "9"
    & skf18("3","10","10","8","5","3","1") = "9"
    & skf18("3","10","10","8","5","4","1") = "9"
    & skf18("3","10","10","8","5","5","1") = "9"
    & skf18("3","10","10","8","5","6","1") = "9"
    & skf18("3","10","10","8","5","7","1") = "9"
    & skf18("3","10","10","8","5","8","1") = "9"
    & skf18("3","10","10","8","5","9","1") = "9"
    & skf18("3","10","10","8","5","10","1") = "9"
    & skf18("3","10","10","8","6","1","1") = "9"
    & skf18("3","10","10","8","6","2","1") = "9"
    & skf18("3","10","10","8","6","3","1") = "9"
    & skf18("3","10","10","8","6","4","1") = "9"
    & skf18("3","10","10","8","6","5","1") = "9"
    & skf18("3","10","10","8","6","6","1") = "9"
    & skf18("3","10","10","8","6","7","1") = "9"
    & skf18("3","10","10","8","6","8","1") = "9"
    & skf18("3","10","10","8","6","9","1") = "9"
    & skf18("3","10","10","8","6","10","1") = "9"
    & skf18("3","10","10","8","7","1","1") = "9"
    & skf18("3","10","10","8","7","2","1") = "9"
    & skf18("3","10","10","8","7","3","1") = "9"
    & skf18("3","10","10","8","7","4","1") = "9"
    & skf18("3","10","10","8","7","5","1") = "9"
    & skf18("3","10","10","8","7","6","1") = "9"
    & skf18("3","10","10","8","7","7","1") = "9"
    & skf18("3","10","10","8","7","8","1") = "9"
    & skf18("3","10","10","8","7","9","1") = "9"
    & skf18("3","10","10","8","7","10","1") = "9"
    & skf18("3","10","10","8","8","1","1") = "9"
    & skf18("3","10","10","8","8","2","1") = "9"
    & skf18("3","10","10","8","8","3","1") = "9"
    & skf18("3","10","10","8","8","4","1") = "9"
    & skf18("3","10","10","8","8","5","1") = "9"
    & skf18("3","10","10","8","8","6","1") = "9"
    & skf18("3","10","10","8","8","7","1") = "9"
    & skf18("3","10","10","8","8","8","1") = "9"
    & skf18("3","10","10","8","8","9","1") = "9"
    & skf18("3","10","10","8","8","10","1") = "9"
    & skf18("3","10","10","8","9","1","1") = "9"
    & skf18("3","10","10","8","9","2","1") = "9"
    & skf18("3","10","10","8","9","3","1") = "9"
    & skf18("3","10","10","8","9","4","1") = "9"
    & skf18("3","10","10","8","9","5","1") = "9"
    & skf18("3","10","10","8","9","6","1") = "9"
    & skf18("3","10","10","8","9","7","1") = "9"
    & skf18("3","10","10","8","9","8","1") = "9"
    & skf18("3","10","10","8","9","9","1") = "9"
    & skf18("3","10","10","8","9","10","1") = "9"
    & skf18("3","10","10","8","10","1","1") = "9"
    & skf18("3","10","10","8","10","2","1") = "9"
    & skf18("3","10","10","8","10","3","1") = "9"
    & skf18("3","10","10","8","10","4","1") = "9"
    & skf18("3","10","10","8","10","5","1") = "9"
    & skf18("3","10","10","8","10","6","1") = "9"
    & skf18("3","10","10","8","10","7","1") = "9"
    & skf18("3","10","10","8","10","8","1") = "9"
    & skf18("3","10","10","8","10","9","1") = "9"
    & skf18("3","10","10","8","10","10","1") = "9"
    & skf18("3","10","10","9","1","1","1") = "9"
    & skf18("3","10","10","9","1","2","1") = "9"
    & skf18("3","10","10","9","1","3","1") = "9"
    & skf18("3","10","10","9","1","4","1") = "9"
    & skf18("3","10","10","9","1","5","1") = "9"
    & skf18("3","10","10","9","1","6","1") = "9"
    & skf18("3","10","10","9","1","7","1") = "9"
    & skf18("3","10","10","9","1","8","1") = "9"
    & skf18("3","10","10","9","1","9","1") = "9"
    & skf18("3","10","10","9","1","10","1") = "9"
    & skf18("3","10","10","9","2","1","1") = "9"
    & skf18("3","10","10","9","2","2","1") = "9"
    & skf18("3","10","10","9","2","3","1") = "9"
    & skf18("3","10","10","9","2","4","1") = "9"
    & skf18("3","10","10","9","2","5","1") = "9"
    & skf18("3","10","10","9","2","6","1") = "9"
    & skf18("3","10","10","9","2","7","1") = "9"
    & skf18("3","10","10","9","2","8","1") = "9"
    & skf18("3","10","10","9","2","9","1") = "9"
    & skf18("3","10","10","9","2","10","1") = "9"
    & skf18("3","10","10","9","3","1","1") = "9"
    & skf18("3","10","10","9","3","2","1") = "9"
    & skf18("3","10","10","9","3","3","1") = "9"
    & skf18("3","10","10","9","3","4","1") = "9"
    & skf18("3","10","10","9","3","5","1") = "9"
    & skf18("3","10","10","9","3","6","1") = "9"
    & skf18("3","10","10","9","3","7","1") = "9"
    & skf18("3","10","10","9","3","8","1") = "9"
    & skf18("3","10","10","9","3","9","1") = "9"
    & skf18("3","10","10","9","3","10","1") = "9"
    & skf18("3","10","10","9","4","1","1") = "9"
    & skf18("3","10","10","9","4","2","1") = "9"
    & skf18("3","10","10","9","4","3","1") = "9"
    & skf18("3","10","10","9","4","4","1") = "9"
    & skf18("3","10","10","9","4","5","1") = "9"
    & skf18("3","10","10","9","4","6","1") = "9"
    & skf18("3","10","10","9","4","7","1") = "9"
    & skf18("3","10","10","9","4","8","1") = "9"
    & skf18("3","10","10","9","4","9","1") = "9"
    & skf18("3","10","10","9","4","10","1") = "9"
    & skf18("3","10","10","9","5","1","1") = "9"
    & skf18("3","10","10","9","5","2","1") = "9"
    & skf18("3","10","10","9","5","3","1") = "9"
    & skf18("3","10","10","9","5","4","1") = "9"
    & skf18("3","10","10","9","5","5","1") = "9"
    & skf18("3","10","10","9","5","6","1") = "9"
    & skf18("3","10","10","9","5","7","1") = "9"
    & skf18("3","10","10","9","5","8","1") = "9"
    & skf18("3","10","10","9","5","9","1") = "9"
    & skf18("3","10","10","9","5","10","1") = "9"
    & skf18("3","10","10","9","6","1","1") = "9"
    & skf18("3","10","10","9","6","2","1") = "9"
    & skf18("3","10","10","9","6","3","1") = "9"
    & skf18("3","10","10","9","6","4","1") = "9"
    & skf18("3","10","10","9","6","5","1") = "9"
    & skf18("3","10","10","9","6","6","1") = "9"
    & skf18("3","10","10","9","6","7","1") = "9"
    & skf18("3","10","10","9","6","8","1") = "9"
    & skf18("3","10","10","9","6","9","1") = "9"
    & skf18("3","10","10","9","6","10","1") = "9"
    & skf18("3","10","10","9","7","1","1") = "9"
    & skf18("3","10","10","9","7","2","1") = "9"
    & skf18("3","10","10","9","7","3","1") = "9"
    & skf18("3","10","10","9","7","4","1") = "9"
    & skf18("3","10","10","9","7","5","1") = "9"
    & skf18("3","10","10","9","7","6","1") = "9"
    & skf18("3","10","10","9","7","7","1") = "9"
    & skf18("3","10","10","9","7","8","1") = "9"
    & skf18("3","10","10","9","7","9","1") = "9"
    & skf18("3","10","10","9","7","10","1") = "9"
    & skf18("3","10","10","9","8","1","1") = "9"
    & skf18("3","10","10","9","8","2","1") = "9"
    & skf18("3","10","10","9","8","3","1") = "9"
    & skf18("3","10","10","9","8","4","1") = "9"
    & skf18("3","10","10","9","8","5","1") = "9"
    & skf18("3","10","10","9","8","6","1") = "9"
    & skf18("3","10","10","9","8","7","1") = "9"
    & skf18("3","10","10","9","8","8","1") = "9"
    & skf18("3","10","10","9","8","9","1") = "9"
    & skf18("3","10","10","9","8","10","1") = "9"
    & skf18("3","10","10","9","9","1","1") = "9"
    & skf18("3","10","10","9","9","2","1") = "9"
    & skf18("3","10","10","9","9","3","1") = "9"
    & skf18("3","10","10","9","9","4","1") = "9"
    & skf18("3","10","10","9","9","5","1") = "9"
    & skf18("3","10","10","9","9","6","1") = "9"
    & skf18("3","10","10","9","9","7","1") = "9"
    & skf18("3","10","10","9","9","8","1") = "9"
    & skf18("3","10","10","9","9","9","1") = "9"
    & skf18("3","10","10","9","9","10","1") = "9"
    & skf18("3","10","10","9","10","1","1") = "9"
    & skf18("3","10","10","9","10","2","1") = "9"
    & skf18("3","10","10","9","10","3","1") = "9"
    & skf18("3","10","10","9","10","4","1") = "9"
    & skf18("3","10","10","9","10","5","1") = "9"
    & skf18("3","10","10","9","10","6","1") = "9"
    & skf18("3","10","10","9","10","7","1") = "9"
    & skf18("3","10","10","9","10","8","1") = "9"
    & skf18("3","10","10","9","10","9","1") = "9"
    & skf18("3","10","10","9","10","10","1") = "9"
    & skf18("3","10","10","10","1","1","1") = "9"
    & skf18("3","10","10","10","1","2","1") = "9"
    & skf18("3","10","10","10","1","3","1") = "9"
    & skf18("3","10","10","10","1","4","1") = "9"
    & skf18("3","10","10","10","1","5","1") = "9"
    & skf18("3","10","10","10","1","6","1") = "9"
    & skf18("3","10","10","10","1","7","1") = "9"
    & skf18("3","10","10","10","1","8","1") = "9"
    & skf18("3","10","10","10","1","9","1") = "9"
    & skf18("3","10","10","10","1","10","1") = "9"
    & skf18("3","10","10","10","2","1","1") = "9"
    & skf18("3","10","10","10","2","2","1") = "9"
    & skf18("3","10","10","10","2","3","1") = "9"
    & skf18("3","10","10","10","2","4","1") = "9"
    & skf18("3","10","10","10","2","5","1") = "9"
    & skf18("3","10","10","10","2","6","1") = "9"
    & skf18("3","10","10","10","2","7","1") = "9"
    & skf18("3","10","10","10","2","8","1") = "9"
    & skf18("3","10","10","10","2","9","1") = "9"
    & skf18("3","10","10","10","2","10","1") = "9"
    & skf18("3","10","10","10","3","1","1") = "9"
    & skf18("3","10","10","10","3","2","1") = "9"
    & skf18("3","10","10","10","3","3","1") = "9"
    & skf18("3","10","10","10","3","4","1") = "9"
    & skf18("3","10","10","10","3","5","1") = "9"
    & skf18("3","10","10","10","3","6","1") = "9"
    & skf18("3","10","10","10","3","7","1") = "9"
    & skf18("3","10","10","10","3","8","1") = "9"
    & skf18("3","10","10","10","3","9","1") = "9"
    & skf18("3","10","10","10","3","10","1") = "9"
    & skf18("3","10","10","10","4","1","1") = "9"
    & skf18("3","10","10","10","4","2","1") = "9"
    & skf18("3","10","10","10","4","3","1") = "9"
    & skf18("3","10","10","10","4","4","1") = "9"
    & skf18("3","10","10","10","4","5","1") = "9"
    & skf18("3","10","10","10","4","6","1") = "9"
    & skf18("3","10","10","10","4","7","1") = "9"
    & skf18("3","10","10","10","4","8","1") = "9"
    & skf18("3","10","10","10","4","9","1") = "9"
    & skf18("3","10","10","10","4","10","1") = "9"
    & skf18("3","10","10","10","5","1","1") = "9"
    & skf18("3","10","10","10","5","2","1") = "9"
    & skf18("3","10","10","10","5","3","1") = "9"
    & skf18("3","10","10","10","5","4","1") = "9"
    & skf18("3","10","10","10","5","5","1") = "9"
    & skf18("3","10","10","10","5","6","1") = "9"
    & skf18("3","10","10","10","5","7","1") = "9"
    & skf18("3","10","10","10","5","8","1") = "9"
    & skf18("3","10","10","10","5","9","1") = "9"
    & skf18("3","10","10","10","5","10","1") = "9"
    & skf18("3","10","10","10","6","1","1") = "9"
    & skf18("3","10","10","10","6","2","1") = "9"
    & skf18("3","10","10","10","6","3","1") = "9"
    & skf18("3","10","10","10","6","4","1") = "9"
    & skf18("3","10","10","10","6","5","1") = "9"
    & skf18("3","10","10","10","6","6","1") = "9"
    & skf18("3","10","10","10","6","7","1") = "9"
    & skf18("3","10","10","10","6","8","1") = "9"
    & skf18("3","10","10","10","6","9","1") = "9"
    & skf18("3","10","10","10","6","10","1") = "9"
    & skf18("3","10","10","10","7","1","1") = "9"
    & skf18("3","10","10","10","7","2","1") = "9"
    & skf18("3","10","10","10","7","3","1") = "9"
    & skf18("3","10","10","10","7","4","1") = "9"
    & skf18("3","10","10","10","7","5","1") = "9"
    & skf18("3","10","10","10","7","6","1") = "9"
    & skf18("3","10","10","10","7","7","1") = "9"
    & skf18("3","10","10","10","7","8","1") = "9"
    & skf18("3","10","10","10","7","9","1") = "9"
    & skf18("3","10","10","10","7","10","1") = "9"
    & skf18("3","10","10","10","8","1","1") = "9"
    & skf18("3","10","10","10","8","2","1") = "9"
    & skf18("3","10","10","10","8","3","1") = "9"
    & skf18("3","10","10","10","8","4","1") = "9"
    & skf18("3","10","10","10","8","5","1") = "9"
    & skf18("3","10","10","10","8","6","1") = "9"
    & skf18("3","10","10","10","8","7","1") = "9"
    & skf18("3","10","10","10","8","8","1") = "9"
    & skf18("3","10","10","10","8","9","1") = "9"
    & skf18("3","10","10","10","8","10","1") = "9"
    & skf18("3","10","10","10","9","1","1") = "9"
    & skf18("3","10","10","10","9","2","1") = "9"
    & skf18("3","10","10","10","9","3","1") = "9"
    & skf18("3","10","10","10","9","4","1") = "9"
    & skf18("3","10","10","10","9","5","1") = "9"
    & skf18("3","10","10","10","9","6","1") = "9"
    & skf18("3","10","10","10","9","7","1") = "9"
    & skf18("3","10","10","10","9","8","1") = "9"
    & skf18("3","10","10","10","9","9","1") = "9"
    & skf18("3","10","10","10","9","10","1") = "9"
    & skf18("3","10","10","10","10","1","1") = "9"
    & skf18("3","10","10","10","10","2","1") = "9"
    & skf18("3","10","10","10","10","3","1") = "9"
    & skf18("3","10","10","10","10","4","1") = "9"
    & skf18("3","10","10","10","10","5","1") = "9"
    & skf18("3","10","10","10","10","6","1") = "9"
    & skf18("3","10","10","10","10","7","1") = "9"
    & skf18("3","10","10","10","10","8","1") = "9"
    & skf18("3","10","10","10","10","9","1") = "9"
    & skf18("3","10","10","10","10","10","1") = "9"
    & skf18("4","1","1","1","1","1","1") = "3"
    & skf18("4","1","1","1","1","2","1") = "3"
    & skf18("4","1","1","1","1","3","1") = "3"
    & skf18("4","1","1","1","1","4","1") = "3"
    & skf18("4","1","1","1","1","5","1") = "4"
    & skf18("4","1","1","1","1","6","1") = "5"
    & skf18("4","1","1","1","1","7","1") = "6"
    & skf18("4","1","1","1","1","8","1") = "7"
    & skf18("4","1","1","1","1","9","1") = "8"
    & skf18("4","1","1","1","1","10","1") = "9"
    & skf18("4","1","1","1","2","1","1") = "3"
    & skf18("4","1","1","1","2","2","1") = "3"
    & skf18("4","1","1","1","2","3","1") = "3"
    & skf18("4","1","1","1","2","4","1") = "3"
    & skf18("4","1","1","1","2","5","1") = "4"
    & skf18("4","1","1","1","2","6","1") = "5"
    & skf18("4","1","1","1","2","7","1") = "6"
    & skf18("4","1","1","1","2","8","1") = "7"
    & skf18("4","1","1","1","2","9","1") = "8"
    & skf18("4","1","1","1","2","10","1") = "9"
    & skf18("4","1","1","1","3","1","1") = "3"
    & skf18("4","1","1","1","3","2","1") = "3"
    & skf18("4","1","1","1","3","3","1") = "3"
    & skf18("4","1","1","1","3","4","1") = "3"
    & skf18("4","1","1","1","3","5","1") = "4"
    & skf18("4","1","1","1","3","6","1") = "5"
    & skf18("4","1","1","1","3","7","1") = "6"
    & skf18("4","1","1","1","3","8","1") = "7"
    & skf18("4","1","1","1","3","9","1") = "8"
    & skf18("4","1","1","1","3","10","1") = "9"
    & skf18("4","1","1","1","4","1","1") = "3"
    & skf18("4","1","1","1","4","2","1") = "3"
    & skf18("4","1","1","1","4","3","1") = "3"
    & skf18("4","1","1","1","4","4","1") = "3"
    & skf18("4","1","1","1","4","5","1") = "4"
    & skf18("4","1","1","1","4","6","1") = "5"
    & skf18("4","1","1","1","4","7","1") = "6"
    & skf18("4","1","1","1","4","8","1") = "7"
    & skf18("4","1","1","1","4","9","1") = "8"
    & skf18("4","1","1","1","4","10","1") = "9"
    & skf18("4","1","1","1","5","1","1") = "4"
    & skf18("4","1","1","1","5","2","1") = "4"
    & skf18("4","1","1","1","5","3","1") = "4"
    & skf18("4","1","1","1","5","4","1") = "4"
    & skf18("4","1","1","1","5","5","1") = "4"
    & skf18("4","1","1","1","5","6","1") = "5"
    & skf18("4","1","1","1","5","7","1") = "6"
    & skf18("4","1","1","1","5","8","1") = "7"
    & skf18("4","1","1","1","5","9","1") = "8"
    & skf18("4","1","1","1","5","10","1") = "9"
    & skf18("4","1","1","1","6","1","1") = "5"
    & skf18("4","1","1","1","6","2","1") = "5"
    & skf18("4","1","1","1","6","3","1") = "5"
    & skf18("4","1","1","1","6","4","1") = "5"
    & skf18("4","1","1","1","6","5","1") = "5"
    & skf18("4","1","1","1","6","6","1") = "5"
    & skf18("4","1","1","1","6","7","1") = "6"
    & skf18("4","1","1","1","6","8","1") = "7"
    & skf18("4","1","1","1","6","9","1") = "8"
    & skf18("4","1","1","1","6","10","1") = "9"
    & skf18("4","1","1","1","7","1","1") = "6"
    & skf18("4","1","1","1","7","2","1") = "6"
    & skf18("4","1","1","1","7","3","1") = "6"
    & skf18("4","1","1","1","7","4","1") = "6"
    & skf18("4","1","1","1","7","5","1") = "6"
    & skf18("4","1","1","1","7","6","1") = "6"
    & skf18("4","1","1","1","7","7","1") = "6"
    & skf18("4","1","1","1","7","8","1") = "7"
    & skf18("4","1","1","1","7","9","1") = "8"
    & skf18("4","1","1","1","7","10","1") = "9"
    & skf18("4","1","1","1","8","1","1") = "7"
    & skf18("4","1","1","1","8","2","1") = "7"
    & skf18("4","1","1","1","8","3","1") = "7"
    & skf18("4","1","1","1","8","4","1") = "7"
    & skf18("4","1","1","1","8","5","1") = "7"
    & skf18("4","1","1","1","8","6","1") = "7"
    & skf18("4","1","1","1","8","7","1") = "7"
    & skf18("4","1","1","1","8","8","1") = "7"
    & skf18("4","1","1","1","8","9","1") = "8"
    & skf18("4","1","1","1","8","10","1") = "9"
    & skf18("4","1","1","1","9","1","1") = "8"
    & skf18("4","1","1","1","9","2","1") = "8"
    & skf18("4","1","1","1","9","3","1") = "8"
    & skf18("4","1","1","1","9","4","1") = "8"
    & skf18("4","1","1","1","9","5","1") = "8"
    & skf18("4","1","1","1","9","6","1") = "8"
    & skf18("4","1","1","1","9","7","1") = "8"
    & skf18("4","1","1","1","9","8","1") = "8"
    & skf18("4","1","1","1","9","9","1") = "8"
    & skf18("4","1","1","1","9","10","1") = "9"
    & skf18("4","1","1","1","10","1","1") = "9"
    & skf18("4","1","1","1","10","2","1") = "9"
    & skf18("4","1","1","1","10","3","1") = "9"
    & skf18("4","1","1","1","10","4","1") = "9"
    & skf18("4","1","1","1","10","5","1") = "9"
    & skf18("4","1","1","1","10","6","1") = "9"
    & skf18("4","1","1","1","10","7","1") = "9"
    & skf18("4","1","1","1","10","8","1") = "9"
    & skf18("4","1","1","1","10","9","1") = "9"
    & skf18("4","1","1","1","10","10","1") = "9"
    & skf18("4","1","1","2","1","1","1") = "3"
    & skf18("4","1","1","2","1","2","1") = "3"
    & skf18("4","1","1","2","1","3","1") = "3"
    & skf18("4","1","1","2","1","4","1") = "3"
    & skf18("4","1","1","2","1","5","1") = "4"
    & skf18("4","1","1","2","1","6","1") = "5"
    & skf18("4","1","1","2","1","7","1") = "6"
    & skf18("4","1","1","2","1","8","1") = "7"
    & skf18("4","1","1","2","1","9","1") = "8"
    & skf18("4","1","1","2","1","10","1") = "9"
    & skf18("4","1","1","2","2","1","1") = "3"
    & skf18("4","1","1","2","2","2","1") = "3"
    & skf18("4","1","1","2","2","3","1") = "3"
    & skf18("4","1","1","2","2","4","1") = "3"
    & skf18("4","1","1","2","2","5","1") = "4"
    & skf18("4","1","1","2","2","6","1") = "5"
    & skf18("4","1","1","2","2","7","1") = "6"
    & skf18("4","1","1","2","2","8","1") = "7"
    & skf18("4","1","1","2","2","9","1") = "8"
    & skf18("4","1","1","2","2","10","1") = "9"
    & skf18("4","1","1","2","3","1","1") = "3"
    & skf18("4","1","1","2","3","2","1") = "3"
    & skf18("4","1","1","2","3","3","1") = "3"
    & skf18("4","1","1","2","3","4","1") = "3"
    & skf18("4","1","1","2","3","5","1") = "4"
    & skf18("4","1","1","2","3","6","1") = "5"
    & skf18("4","1","1","2","3","7","1") = "6"
    & skf18("4","1","1","2","3","8","1") = "7"
    & skf18("4","1","1","2","3","9","1") = "8"
    & skf18("4","1","1","2","3","10","1") = "9"
    & skf18("4","1","1","2","4","1","1") = "3"
    & skf18("4","1","1","2","4","2","1") = "3"
    & skf18("4","1","1","2","4","3","1") = "3"
    & skf18("4","1","1","2","4","4","1") = "3"
    & skf18("4","1","1","2","4","5","1") = "4"
    & skf18("4","1","1","2","4","6","1") = "5"
    & skf18("4","1","1","2","4","7","1") = "6"
    & skf18("4","1","1","2","4","8","1") = "7"
    & skf18("4","1","1","2","4","9","1") = "8"
    & skf18("4","1","1","2","4","10","1") = "9"
    & skf18("4","1","1","2","5","1","1") = "4"
    & skf18("4","1","1","2","5","2","1") = "4"
    & skf18("4","1","1","2","5","3","1") = "4"
    & skf18("4","1","1","2","5","4","1") = "4"
    & skf18("4","1","1","2","5","5","1") = "4"
    & skf18("4","1","1","2","5","6","1") = "5"
    & skf18("4","1","1","2","5","7","1") = "6"
    & skf18("4","1","1","2","5","8","1") = "7"
    & skf18("4","1","1","2","5","9","1") = "8"
    & skf18("4","1","1","2","5","10","1") = "9"
    & skf18("4","1","1","2","6","1","1") = "5"
    & skf18("4","1","1","2","6","2","1") = "5"
    & skf18("4","1","1","2","6","3","1") = "5"
    & skf18("4","1","1","2","6","4","1") = "5"
    & skf18("4","1","1","2","6","5","1") = "5"
    & skf18("4","1","1","2","6","6","1") = "5"
    & skf18("4","1","1","2","6","7","1") = "6"
    & skf18("4","1","1","2","6","8","1") = "7"
    & skf18("4","1","1","2","6","9","1") = "8"
    & skf18("4","1","1","2","6","10","1") = "9"
    & skf18("4","1","1","2","7","1","1") = "6"
    & skf18("4","1","1","2","7","2","1") = "6"
    & skf18("4","1","1","2","7","3","1") = "6"
    & skf18("4","1","1","2","7","4","1") = "6"
    & skf18("4","1","1","2","7","5","1") = "6"
    & skf18("4","1","1","2","7","6","1") = "6"
    & skf18("4","1","1","2","7","7","1") = "6"
    & skf18("4","1","1","2","7","8","1") = "7"
    & skf18("4","1","1","2","7","9","1") = "8"
    & skf18("4","1","1","2","7","10","1") = "9"
    & skf18("4","1","1","2","8","1","1") = "7"
    & skf18("4","1","1","2","8","2","1") = "7"
    & skf18("4","1","1","2","8","3","1") = "7"
    & skf18("4","1","1","2","8","4","1") = "7"
    & skf18("4","1","1","2","8","5","1") = "7"
    & skf18("4","1","1","2","8","6","1") = "7"
    & skf18("4","1","1","2","8","7","1") = "7"
    & skf18("4","1","1","2","8","8","1") = "7"
    & skf18("4","1","1","2","8","9","1") = "8"
    & skf18("4","1","1","2","8","10","1") = "9"
    & skf18("4","1","1","2","9","1","1") = "8"
    & skf18("4","1","1","2","9","2","1") = "8"
    & skf18("4","1","1","2","9","3","1") = "8"
    & skf18("4","1","1","2","9","4","1") = "8"
    & skf18("4","1","1","2","9","5","1") = "8"
    & skf18("4","1","1","2","9","6","1") = "8"
    & skf18("4","1","1","2","9","7","1") = "8"
    & skf18("4","1","1","2","9","8","1") = "8"
    & skf18("4","1","1","2","9","9","1") = "8"
    & skf18("4","1","1","2","9","10","1") = "9"
    & skf18("4","1","1","2","10","1","1") = "9"
    & skf18("4","1","1","2","10","2","1") = "9"
    & skf18("4","1","1","2","10","3","1") = "9"
    & skf18("4","1","1","2","10","4","1") = "9"
    & skf18("4","1","1","2","10","5","1") = "9"
    & skf18("4","1","1","2","10","6","1") = "9"
    & skf18("4","1","1","2","10","7","1") = "9"
    & skf18("4","1","1","2","10","8","1") = "9"
    & skf18("4","1","1","2","10","9","1") = "9"
    & skf18("4","1","1","2","10","10","1") = "9"
    & skf18("4","1","1","3","1","1","1") = "3"
    & skf18("4","1","1","3","1","2","1") = "3"
    & skf18("4","1","1","3","1","3","1") = "3"
    & skf18("4","1","1","3","1","4","1") = "3"
    & skf18("4","1","1","3","1","5","1") = "4"
    & skf18("4","1","1","3","1","6","1") = "5"
    & skf18("4","1","1","3","1","7","1") = "6"
    & skf18("4","1","1","3","1","8","1") = "7"
    & skf18("4","1","1","3","1","9","1") = "8"
    & skf18("4","1","1","3","1","10","1") = "9"
    & skf18("4","1","1","3","2","1","1") = "3"
    & skf18("4","1","1","3","2","2","1") = "3"
    & skf18("4","1","1","3","2","3","1") = "3"
    & skf18("4","1","1","3","2","4","1") = "3"
    & skf18("4","1","1","3","2","5","1") = "4"
    & skf18("4","1","1","3","2","6","1") = "5"
    & skf18("4","1","1","3","2","7","1") = "6"
    & skf18("4","1","1","3","2","8","1") = "7"
    & skf18("4","1","1","3","2","9","1") = "8"
    & skf18("4","1","1","3","2","10","1") = "9"
    & skf18("4","1","1","3","3","1","1") = "3"
    & skf18("4","1","1","3","3","2","1") = "3"
    & skf18("4","1","1","3","3","3","1") = "3"
    & skf18("4","1","1","3","3","4","1") = "3"
    & skf18("4","1","1","3","3","5","1") = "4"
    & skf18("4","1","1","3","3","6","1") = "5"
    & skf18("4","1","1","3","3","7","1") = "6"
    & skf18("4","1","1","3","3","8","1") = "7"
    & skf18("4","1","1","3","3","9","1") = "8"
    & skf18("4","1","1","3","3","10","1") = "9"
    & skf18("4","1","1","3","4","1","1") = "3"
    & skf18("4","1","1","3","4","2","1") = "3"
    & skf18("4","1","1","3","4","3","1") = "3"
    & skf18("4","1","1","3","4","4","1") = "3"
    & skf18("4","1","1","3","4","5","1") = "4"
    & skf18("4","1","1","3","4","6","1") = "5"
    & skf18("4","1","1","3","4","7","1") = "6"
    & skf18("4","1","1","3","4","8","1") = "7"
    & skf18("4","1","1","3","4","9","1") = "8"
    & skf18("4","1","1","3","4","10","1") = "9"
    & skf18("4","1","1","3","5","1","1") = "4"
    & skf18("4","1","1","3","5","2","1") = "4"
    & skf18("4","1","1","3","5","3","1") = "4"
    & skf18("4","1","1","3","5","4","1") = "4"
    & skf18("4","1","1","3","5","5","1") = "4"
    & skf18("4","1","1","3","5","6","1") = "5"
    & skf18("4","1","1","3","5","7","1") = "6"
    & skf18("4","1","1","3","5","8","1") = "7"
    & skf18("4","1","1","3","5","9","1") = "8"
    & skf18("4","1","1","3","5","10","1") = "9"
    & skf18("4","1","1","3","6","1","1") = "5"
    & skf18("4","1","1","3","6","2","1") = "5"
    & skf18("4","1","1","3","6","3","1") = "5"
    & skf18("4","1","1","3","6","4","1") = "5"
    & skf18("4","1","1","3","6","5","1") = "5"
    & skf18("4","1","1","3","6","6","1") = "5"
    & skf18("4","1","1","3","6","7","1") = "6"
    & skf18("4","1","1","3","6","8","1") = "7"
    & skf18("4","1","1","3","6","9","1") = "8"
    & skf18("4","1","1","3","6","10","1") = "9"
    & skf18("4","1","1","3","7","1","1") = "6"
    & skf18("4","1","1","3","7","2","1") = "6"
    & skf18("4","1","1","3","7","3","1") = "6"
    & skf18("4","1","1","3","7","4","1") = "6"
    & skf18("4","1","1","3","7","5","1") = "6"
    & skf18("4","1","1","3","7","6","1") = "6"
    & skf18("4","1","1","3","7","7","1") = "6"
    & skf18("4","1","1","3","7","8","1") = "7"
    & skf18("4","1","1","3","7","9","1") = "8"
    & skf18("4","1","1","3","7","10","1") = "9"
    & skf18("4","1","1","3","8","1","1") = "7"
    & skf18("4","1","1","3","8","2","1") = "7"
    & skf18("4","1","1","3","8","3","1") = "7"
    & skf18("4","1","1","3","8","4","1") = "7"
    & skf18("4","1","1","3","8","5","1") = "7"
    & skf18("4","1","1","3","8","6","1") = "7"
    & skf18("4","1","1","3","8","7","1") = "7"
    & skf18("4","1","1","3","8","8","1") = "7"
    & skf18("4","1","1","3","8","9","1") = "8"
    & skf18("4","1","1","3","8","10","1") = "9"
    & skf18("4","1","1","3","9","1","1") = "8"
    & skf18("4","1","1","3","9","2","1") = "8"
    & skf18("4","1","1","3","9","3","1") = "8"
    & skf18("4","1","1","3","9","4","1") = "8"
    & skf18("4","1","1","3","9","5","1") = "8"
    & skf18("4","1","1","3","9","6","1") = "8"
    & skf18("4","1","1","3","9","7","1") = "8"
    & skf18("4","1","1","3","9","8","1") = "8"
    & skf18("4","1","1","3","9","9","1") = "8"
    & skf18("4","1","1","3","9","10","1") = "9"
    & skf18("4","1","1","3","10","1","1") = "9"
    & skf18("4","1","1","3","10","2","1") = "9"
    & skf18("4","1","1","3","10","3","1") = "9"
    & skf18("4","1","1","3","10","4","1") = "9"
    & skf18("4","1","1","3","10","5","1") = "9"
    & skf18("4","1","1","3","10","6","1") = "9"
    & skf18("4","1","1","3","10","7","1") = "9"
    & skf18("4","1","1","3","10","8","1") = "9"
    & skf18("4","1","1","3","10","9","1") = "9"
    & skf18("4","1","1","3","10","10","1") = "9"
    & skf18("4","1","1","4","1","1","1") = "3"
    & skf18("4","1","1","4","1","2","1") = "3"
    & skf18("4","1","1","4","1","3","1") = "3"
    & skf18("4","1","1","4","1","4","1") = "3"
    & skf18("4","1","1","4","1","5","1") = "4"
    & skf18("4","1","1","4","1","6","1") = "5"
    & skf18("4","1","1","4","1","7","1") = "6"
    & skf18("4","1","1","4","1","8","1") = "7"
    & skf18("4","1","1","4","1","9","1") = "8"
    & skf18("4","1","1","4","1","10","1") = "9"
    & skf18("4","1","1","4","2","1","1") = "3"
    & skf18("4","1","1","4","2","2","1") = "3"
    & skf18("4","1","1","4","2","3","1") = "3"
    & skf18("4","1","1","4","2","4","1") = "3"
    & skf18("4","1","1","4","2","5","1") = "4"
    & skf18("4","1","1","4","2","6","1") = "5"
    & skf18("4","1","1","4","2","7","1") = "6"
    & skf18("4","1","1","4","2","8","1") = "7"
    & skf18("4","1","1","4","2","9","1") = "8"
    & skf18("4","1","1","4","2","10","1") = "9"
    & skf18("4","1","1","4","3","1","1") = "3"
    & skf18("4","1","1","4","3","2","1") = "3"
    & skf18("4","1","1","4","3","3","1") = "3"
    & skf18("4","1","1","4","3","4","1") = "3"
    & skf18("4","1","1","4","3","5","1") = "4"
    & skf18("4","1","1","4","3","6","1") = "5"
    & skf18("4","1","1","4","3","7","1") = "6"
    & skf18("4","1","1","4","3","8","1") = "7"
    & skf18("4","1","1","4","3","9","1") = "8"
    & skf18("4","1","1","4","3","10","1") = "9"
    & skf18("4","1","1","4","4","1","1") = "3"
    & skf18("4","1","1","4","4","2","1") = "3"
    & skf18("4","1","1","4","4","3","1") = "3"
    & skf18("4","1","1","4","4","4","1") = "3"
    & skf18("4","1","1","4","4","5","1") = "4"
    & skf18("4","1","1","4","4","6","1") = "5"
    & skf18("4","1","1","4","4","7","1") = "6"
    & skf18("4","1","1","4","4","8","1") = "7"
    & skf18("4","1","1","4","4","9","1") = "8"
    & skf18("4","1","1","4","4","10","1") = "9"
    & skf18("4","1","1","4","5","1","1") = "4"
    & skf18("4","1","1","4","5","2","1") = "4"
    & skf18("4","1","1","4","5","3","1") = "4"
    & skf18("4","1","1","4","5","4","1") = "4"
    & skf18("4","1","1","4","5","5","1") = "4"
    & skf18("4","1","1","4","5","6","1") = "5"
    & skf18("4","1","1","4","5","7","1") = "6"
    & skf18("4","1","1","4","5","8","1") = "7"
    & skf18("4","1","1","4","5","9","1") = "8"
    & skf18("4","1","1","4","5","10","1") = "9"
    & skf18("4","1","1","4","6","1","1") = "5"
    & skf18("4","1","1","4","6","2","1") = "5"
    & skf18("4","1","1","4","6","3","1") = "5"
    & skf18("4","1","1","4","6","4","1") = "5"
    & skf18("4","1","1","4","6","5","1") = "5"
    & skf18("4","1","1","4","6","6","1") = "5"
    & skf18("4","1","1","4","6","7","1") = "6"
    & skf18("4","1","1","4","6","8","1") = "7"
    & skf18("4","1","1","4","6","9","1") = "8"
    & skf18("4","1","1","4","6","10","1") = "9"
    & skf18("4","1","1","4","7","1","1") = "6"
    & skf18("4","1","1","4","7","2","1") = "6"
    & skf18("4","1","1","4","7","3","1") = "6"
    & skf18("4","1","1","4","7","4","1") = "6"
    & skf18("4","1","1","4","7","5","1") = "6"
    & skf18("4","1","1","4","7","6","1") = "6"
    & skf18("4","1","1","4","7","7","1") = "6"
    & skf18("4","1","1","4","7","8","1") = "7"
    & skf18("4","1","1","4","7","9","1") = "8"
    & skf18("4","1","1","4","7","10","1") = "9"
    & skf18("4","1","1","4","8","1","1") = "7"
    & skf18("4","1","1","4","8","2","1") = "7"
    & skf18("4","1","1","4","8","3","1") = "7"
    & skf18("4","1","1","4","8","4","1") = "7"
    & skf18("4","1","1","4","8","5","1") = "7"
    & skf18("4","1","1","4","8","6","1") = "7"
    & skf18("4","1","1","4","8","7","1") = "7"
    & skf18("4","1","1","4","8","8","1") = "7"
    & skf18("4","1","1","4","8","9","1") = "8"
    & skf18("4","1","1","4","8","10","1") = "9"
    & skf18("4","1","1","4","9","1","1") = "8"
    & skf18("4","1","1","4","9","2","1") = "8"
    & skf18("4","1","1","4","9","3","1") = "8"
    & skf18("4","1","1","4","9","4","1") = "8"
    & skf18("4","1","1","4","9","5","1") = "8"
    & skf18("4","1","1","4","9","6","1") = "8"
    & skf18("4","1","1","4","9","7","1") = "8"
    & skf18("4","1","1","4","9","8","1") = "8"
    & skf18("4","1","1","4","9","9","1") = "8"
    & skf18("4","1","1","4","9","10","1") = "9"
    & skf18("4","1","1","4","10","1","1") = "9"
    & skf18("4","1","1","4","10","2","1") = "9"
    & skf18("4","1","1","4","10","3","1") = "9"
    & skf18("4","1","1","4","10","4","1") = "9"
    & skf18("4","1","1","4","10","5","1") = "9"
    & skf18("4","1","1","4","10","6","1") = "9"
    & skf18("4","1","1","4","10","7","1") = "9"
    & skf18("4","1","1","4","10","8","1") = "9"
    & skf18("4","1","1","4","10","9","1") = "9"
    & skf18("4","1","1","4","10","10","1") = "9"
    & skf18("4","1","1","5","1","1","1") = "4"
    & skf18("4","1","1","5","1","2","1") = "4"
    & skf18("4","1","1","5","1","3","1") = "4"
    & skf18("4","1","1","5","1","4","1") = "4"
    & skf18("4","1","1","5","1","5","1") = "4"
    & skf18("4","1","1","5","1","6","1") = "5"
    & skf18("4","1","1","5","1","7","1") = "6"
    & skf18("4","1","1","5","1","8","1") = "7"
    & skf18("4","1","1","5","1","9","1") = "8"
    & skf18("4","1","1","5","1","10","1") = "9"
    & skf18("4","1","1","5","2","1","1") = "4"
    & skf18("4","1","1","5","2","2","1") = "4"
    & skf18("4","1","1","5","2","3","1") = "4"
    & skf18("4","1","1","5","2","4","1") = "4"
    & skf18("4","1","1","5","2","5","1") = "4"
    & skf18("4","1","1","5","2","6","1") = "5"
    & skf18("4","1","1","5","2","7","1") = "6"
    & skf18("4","1","1","5","2","8","1") = "7"
    & skf18("4","1","1","5","2","9","1") = "8"
    & skf18("4","1","1","5","2","10","1") = "9"
    & skf18("4","1","1","5","3","1","1") = "4"
    & skf18("4","1","1","5","3","2","1") = "4"
    & skf18("4","1","1","5","3","3","1") = "4"
    & skf18("4","1","1","5","3","4","1") = "4"
    & skf18("4","1","1","5","3","5","1") = "4"
    & skf18("4","1","1","5","3","6","1") = "5"
    & skf18("4","1","1","5","3","7","1") = "6"
    & skf18("4","1","1","5","3","8","1") = "7"
    & skf18("4","1","1","5","3","9","1") = "8"
    & skf18("4","1","1","5","3","10","1") = "9"
    & skf18("4","1","1","5","4","1","1") = "4"
    & skf18("4","1","1","5","4","2","1") = "4"
    & skf18("4","1","1","5","4","3","1") = "4"
    & skf18("4","1","1","5","4","4","1") = "4"
    & skf18("4","1","1","5","4","5","1") = "4"
    & skf18("4","1","1","5","4","6","1") = "5"
    & skf18("4","1","1","5","4","7","1") = "6"
    & skf18("4","1","1","5","4","8","1") = "7"
    & skf18("4","1","1","5","4","9","1") = "8"
    & skf18("4","1","1","5","4","10","1") = "9"
    & skf18("4","1","1","5","5","1","1") = "4"
    & skf18("4","1","1","5","5","2","1") = "4"
    & skf18("4","1","1","5","5","3","1") = "4"
    & skf18("4","1","1","5","5","4","1") = "4"
    & skf18("4","1","1","5","5","5","1") = "4"
    & skf18("4","1","1","5","5","6","1") = "5"
    & skf18("4","1","1","5","5","7","1") = "6"
    & skf18("4","1","1","5","5","8","1") = "7"
    & skf18("4","1","1","5","5","9","1") = "8"
    & skf18("4","1","1","5","5","10","1") = "9"
    & skf18("4","1","1","5","6","1","1") = "5"
    & skf18("4","1","1","5","6","2","1") = "5"
    & skf18("4","1","1","5","6","3","1") = "5"
    & skf18("4","1","1","5","6","4","1") = "5"
    & skf18("4","1","1","5","6","5","1") = "5"
    & skf18("4","1","1","5","6","6","1") = "5"
    & skf18("4","1","1","5","6","7","1") = "6"
    & skf18("4","1","1","5","6","8","1") = "7"
    & skf18("4","1","1","5","6","9","1") = "8"
    & skf18("4","1","1","5","6","10","1") = "9"
    & skf18("4","1","1","5","7","1","1") = "6"
    & skf18("4","1","1","5","7","2","1") = "6"
    & skf18("4","1","1","5","7","3","1") = "6"
    & skf18("4","1","1","5","7","4","1") = "6"
    & skf18("4","1","1","5","7","5","1") = "6"
    & skf18("4","1","1","5","7","6","1") = "6"
    & skf18("4","1","1","5","7","7","1") = "6"
    & skf18("4","1","1","5","7","8","1") = "7"
    & skf18("4","1","1","5","7","9","1") = "8"
    & skf18("4","1","1","5","7","10","1") = "9"
    & skf18("4","1","1","5","8","1","1") = "7"
    & skf18("4","1","1","5","8","2","1") = "7"
    & skf18("4","1","1","5","8","3","1") = "7"
    & skf18("4","1","1","5","8","4","1") = "7"
    & skf18("4","1","1","5","8","5","1") = "7"
    & skf18("4","1","1","5","8","6","1") = "7"
    & skf18("4","1","1","5","8","7","1") = "7"
    & skf18("4","1","1","5","8","8","1") = "7"
    & skf18("4","1","1","5","8","9","1") = "8"
    & skf18("4","1","1","5","8","10","1") = "9"
    & skf18("4","1","1","5","9","1","1") = "8"
    & skf18("4","1","1","5","9","2","1") = "8"
    & skf18("4","1","1","5","9","3","1") = "8"
    & skf18("4","1","1","5","9","4","1") = "8"
    & skf18("4","1","1","5","9","5","1") = "8"
    & skf18("4","1","1","5","9","6","1") = "8"
    & skf18("4","1","1","5","9","7","1") = "8"
    & skf18("4","1","1","5","9","8","1") = "8"
    & skf18("4","1","1","5","9","9","1") = "8"
    & skf18("4","1","1","5","9","10","1") = "9"
    & skf18("4","1","1","5","10","1","1") = "9"
    & skf18("4","1","1","5","10","2","1") = "9"
    & skf18("4","1","1","5","10","3","1") = "9"
    & skf18("4","1","1","5","10","4","1") = "9"
    & skf18("4","1","1","5","10","5","1") = "9"
    & skf18("4","1","1","5","10","6","1") = "9"
    & skf18("4","1","1","5","10","7","1") = "9"
    & skf18("4","1","1","5","10","8","1") = "9"
    & skf18("4","1","1","5","10","9","1") = "9"
    & skf18("4","1","1","5","10","10","1") = "9"
    & skf18("4","1","1","6","1","1","1") = "5"
    & skf18("4","1","1","6","1","2","1") = "5"
    & skf18("4","1","1","6","1","3","1") = "5"
    & skf18("4","1","1","6","1","4","1") = "5"
    & skf18("4","1","1","6","1","5","1") = "5"
    & skf18("4","1","1","6","1","6","1") = "5"
    & skf18("4","1","1","6","1","7","1") = "6"
    & skf18("4","1","1","6","1","8","1") = "7"
    & skf18("4","1","1","6","1","9","1") = "8"
    & skf18("4","1","1","6","1","10","1") = "9"
    & skf18("4","1","1","6","2","1","1") = "5"
    & skf18("4","1","1","6","2","2","1") = "5"
    & skf18("4","1","1","6","2","3","1") = "5"
    & skf18("4","1","1","6","2","4","1") = "5"
    & skf18("4","1","1","6","2","5","1") = "5"
    & skf18("4","1","1","6","2","6","1") = "5"
    & skf18("4","1","1","6","2","7","1") = "6"
    & skf18("4","1","1","6","2","8","1") = "7"
    & skf18("4","1","1","6","2","9","1") = "8"
    & skf18("4","1","1","6","2","10","1") = "9"
    & skf18("4","1","1","6","3","1","1") = "5"
    & skf18("4","1","1","6","3","2","1") = "5"
    & skf18("4","1","1","6","3","3","1") = "5"
    & skf18("4","1","1","6","3","4","1") = "5"
    & skf18("4","1","1","6","3","5","1") = "5"
    & skf18("4","1","1","6","3","6","1") = "5"
    & skf18("4","1","1","6","3","7","1") = "6"
    & skf18("4","1","1","6","3","8","1") = "7"
    & skf18("4","1","1","6","3","9","1") = "8"
    & skf18("4","1","1","6","3","10","1") = "9"
    & skf18("4","1","1","6","4","1","1") = "5"
    & skf18("4","1","1","6","4","2","1") = "5"
    & skf18("4","1","1","6","4","3","1") = "5"
    & skf18("4","1","1","6","4","4","1") = "5"
    & skf18("4","1","1","6","4","5","1") = "5"
    & skf18("4","1","1","6","4","6","1") = "5"
    & skf18("4","1","1","6","4","7","1") = "6"
    & skf18("4","1","1","6","4","8","1") = "7"
    & skf18("4","1","1","6","4","9","1") = "8"
    & skf18("4","1","1","6","4","10","1") = "9"
    & skf18("4","1","1","6","5","1","1") = "5"
    & skf18("4","1","1","6","5","2","1") = "5"
    & skf18("4","1","1","6","5","3","1") = "5"
    & skf18("4","1","1","6","5","4","1") = "5"
    & skf18("4","1","1","6","5","5","1") = "5"
    & skf18("4","1","1","6","5","6","1") = "5"
    & skf18("4","1","1","6","5","7","1") = "6"
    & skf18("4","1","1","6","5","8","1") = "7"
    & skf18("4","1","1","6","5","9","1") = "8"
    & skf18("4","1","1","6","5","10","1") = "9"
    & skf18("4","1","1","6","6","1","1") = "5"
    & skf18("4","1","1","6","6","2","1") = "5"
    & skf18("4","1","1","6","6","3","1") = "5"
    & skf18("4","1","1","6","6","4","1") = "5"
    & skf18("4","1","1","6","6","5","1") = "5"
    & skf18("4","1","1","6","6","6","1") = "5"
    & skf18("4","1","1","6","6","7","1") = "6"
    & skf18("4","1","1","6","6","8","1") = "7"
    & skf18("4","1","1","6","6","9","1") = "8"
    & skf18("4","1","1","6","6","10","1") = "9"
    & skf18("4","1","1","6","7","1","1") = "6"
    & skf18("4","1","1","6","7","2","1") = "6"
    & skf18("4","1","1","6","7","3","1") = "6"
    & skf18("4","1","1","6","7","4","1") = "6"
    & skf18("4","1","1","6","7","5","1") = "6"
    & skf18("4","1","1","6","7","6","1") = "6"
    & skf18("4","1","1","6","7","7","1") = "6"
    & skf18("4","1","1","6","7","8","1") = "7"
    & skf18("4","1","1","6","7","9","1") = "8"
    & skf18("4","1","1","6","7","10","1") = "9"
    & skf18("4","1","1","6","8","1","1") = "7"
    & skf18("4","1","1","6","8","2","1") = "7"
    & skf18("4","1","1","6","8","3","1") = "7"
    & skf18("4","1","1","6","8","4","1") = "7"
    & skf18("4","1","1","6","8","5","1") = "7"
    & skf18("4","1","1","6","8","6","1") = "7"
    & skf18("4","1","1","6","8","7","1") = "7"
    & skf18("4","1","1","6","8","8","1") = "7"
    & skf18("4","1","1","6","8","9","1") = "8"
    & skf18("4","1","1","6","8","10","1") = "9"
    & skf18("4","1","1","6","9","1","1") = "8"
    & skf18("4","1","1","6","9","2","1") = "8"
    & skf18("4","1","1","6","9","3","1") = "8"
    & skf18("4","1","1","6","9","4","1") = "8"
    & skf18("4","1","1","6","9","5","1") = "8"
    & skf18("4","1","1","6","9","6","1") = "8"
    & skf18("4","1","1","6","9","7","1") = "8"
    & skf18("4","1","1","6","9","8","1") = "8"
    & skf18("4","1","1","6","9","9","1") = "8"
    & skf18("4","1","1","6","9","10","1") = "9"
    & skf18("4","1","1","6","10","1","1") = "9"
    & skf18("4","1","1","6","10","2","1") = "9"
    & skf18("4","1","1","6","10","3","1") = "9"
    & skf18("4","1","1","6","10","4","1") = "9"
    & skf18("4","1","1","6","10","5","1") = "9"
    & skf18("4","1","1","6","10","6","1") = "9"
    & skf18("4","1","1","6","10","7","1") = "9"
    & skf18("4","1","1","6","10","8","1") = "9"
    & skf18("4","1","1","6","10","9","1") = "9"
    & skf18("4","1","1","6","10","10","1") = "9"
    & skf18("4","1","1","7","1","1","1") = "6"
    & skf18("4","1","1","7","1","2","1") = "6"
    & skf18("4","1","1","7","1","3","1") = "6"
    & skf18("4","1","1","7","1","4","1") = "6"
    & skf18("4","1","1","7","1","5","1") = "6"
    & skf18("4","1","1","7","1","6","1") = "6"
    & skf18("4","1","1","7","1","7","1") = "6"
    & skf18("4","1","1","7","1","8","1") = "7"
    & skf18("4","1","1","7","1","9","1") = "8"
    & skf18("4","1","1","7","1","10","1") = "9"
    & skf18("4","1","1","7","2","1","1") = "6"
    & skf18("4","1","1","7","2","2","1") = "6"
    & skf18("4","1","1","7","2","3","1") = "6"
    & skf18("4","1","1","7","2","4","1") = "6"
    & skf18("4","1","1","7","2","5","1") = "6"
    & skf18("4","1","1","7","2","6","1") = "6"
    & skf18("4","1","1","7","2","7","1") = "6"
    & skf18("4","1","1","7","2","8","1") = "7"
    & skf18("4","1","1","7","2","9","1") = "8"
    & skf18("4","1","1","7","2","10","1") = "9"
    & skf18("4","1","1","7","3","1","1") = "6"
    & skf18("4","1","1","7","3","2","1") = "6"
    & skf18("4","1","1","7","3","3","1") = "6"
    & skf18("4","1","1","7","3","4","1") = "6"
    & skf18("4","1","1","7","3","5","1") = "6"
    & skf18("4","1","1","7","3","6","1") = "6"
    & skf18("4","1","1","7","3","7","1") = "6"
    & skf18("4","1","1","7","3","8","1") = "7"
    & skf18("4","1","1","7","3","9","1") = "8"
    & skf18("4","1","1","7","3","10","1") = "9"
    & skf18("4","1","1","7","4","1","1") = "6"
    & skf18("4","1","1","7","4","2","1") = "6"
    & skf18("4","1","1","7","4","3","1") = "6"
    & skf18("4","1","1","7","4","4","1") = "6"
    & skf18("4","1","1","7","4","5","1") = "6"
    & skf18("4","1","1","7","4","6","1") = "6"
    & skf18("4","1","1","7","4","7","1") = "6"
    & skf18("4","1","1","7","4","8","1") = "7"
    & skf18("4","1","1","7","4","9","1") = "8"
    & skf18("4","1","1","7","4","10","1") = "9"
    & skf18("4","1","1","7","5","1","1") = "6"
    & skf18("4","1","1","7","5","2","1") = "6"
    & skf18("4","1","1","7","5","3","1") = "6"
    & skf18("4","1","1","7","5","4","1") = "6"
    & skf18("4","1","1","7","5","5","1") = "6"
    & skf18("4","1","1","7","5","6","1") = "6"
    & skf18("4","1","1","7","5","7","1") = "6"
    & skf18("4","1","1","7","5","8","1") = "7"
    & skf18("4","1","1","7","5","9","1") = "8"
    & skf18("4","1","1","7","5","10","1") = "9"
    & skf18("4","1","1","7","6","1","1") = "6"
    & skf18("4","1","1","7","6","2","1") = "6"
    & skf18("4","1","1","7","6","3","1") = "6"
    & skf18("4","1","1","7","6","4","1") = "6"
    & skf18("4","1","1","7","6","5","1") = "6"
    & skf18("4","1","1","7","6","6","1") = "6"
    & skf18("4","1","1","7","6","7","1") = "6"
    & skf18("4","1","1","7","6","8","1") = "7"
    & skf18("4","1","1","7","6","9","1") = "8"
    & skf18("4","1","1","7","6","10","1") = "9"
    & skf18("4","1","1","7","7","1","1") = "6"
    & skf18("4","1","1","7","7","2","1") = "6"
    & skf18("4","1","1","7","7","3","1") = "6"
    & skf18("4","1","1","7","7","4","1") = "6"
    & skf18("4","1","1","7","7","5","1") = "6"
    & skf18("4","1","1","7","7","6","1") = "6"
    & skf18("4","1","1","7","7","7","1") = "6"
    & skf18("4","1","1","7","7","8","1") = "7"
    & skf18("4","1","1","7","7","9","1") = "8"
    & skf18("4","1","1","7","7","10","1") = "9"
    & skf18("4","1","1","7","8","1","1") = "7"
    & skf18("4","1","1","7","8","2","1") = "7"
    & skf18("4","1","1","7","8","3","1") = "7"
    & skf18("4","1","1","7","8","4","1") = "7"
    & skf18("4","1","1","7","8","5","1") = "7"
    & skf18("4","1","1","7","8","6","1") = "7"
    & skf18("4","1","1","7","8","7","1") = "7"
    & skf18("4","1","1","7","8","8","1") = "7"
    & skf18("4","1","1","7","8","9","1") = "8"
    & skf18("4","1","1","7","8","10","1") = "9"
    & skf18("4","1","1","7","9","1","1") = "8"
    & skf18("4","1","1","7","9","2","1") = "8"
    & skf18("4","1","1","7","9","3","1") = "8"
    & skf18("4","1","1","7","9","4","1") = "8"
    & skf18("4","1","1","7","9","5","1") = "8"
    & skf18("4","1","1","7","9","6","1") = "8"
    & skf18("4","1","1","7","9","7","1") = "8"
    & skf18("4","1","1","7","9","8","1") = "8"
    & skf18("4","1","1","7","9","9","1") = "8"
    & skf18("4","1","1","7","9","10","1") = "9"
    & skf18("4","1","1","7","10","1","1") = "9"
    & skf18("4","1","1","7","10","2","1") = "9"
    & skf18("4","1","1","7","10","3","1") = "9"
    & skf18("4","1","1","7","10","4","1") = "9"
    & skf18("4","1","1","7","10","5","1") = "9"
    & skf18("4","1","1","7","10","6","1") = "9"
    & skf18("4","1","1","7","10","7","1") = "9"
    & skf18("4","1","1","7","10","8","1") = "9"
    & skf18("4","1","1","7","10","9","1") = "9"
    & skf18("4","1","1","7","10","10","1") = "9"
    & skf18("4","1","1","8","1","1","1") = "7"
    & skf18("4","1","1","8","1","2","1") = "7"
    & skf18("4","1","1","8","1","3","1") = "7"
    & skf18("4","1","1","8","1","4","1") = "7"
    & skf18("4","1","1","8","1","5","1") = "7"
    & skf18("4","1","1","8","1","6","1") = "7"
    & skf18("4","1","1","8","1","7","1") = "7"
    & skf18("4","1","1","8","1","8","1") = "7"
    & skf18("4","1","1","8","1","9","1") = "8"
    & skf18("4","1","1","8","1","10","1") = "9"
    & skf18("4","1","1","8","2","1","1") = "7"
    & skf18("4","1","1","8","2","2","1") = "7"
    & skf18("4","1","1","8","2","3","1") = "7"
    & skf18("4","1","1","8","2","4","1") = "7"
    & skf18("4","1","1","8","2","5","1") = "7"
    & skf18("4","1","1","8","2","6","1") = "7"
    & skf18("4","1","1","8","2","7","1") = "7"
    & skf18("4","1","1","8","2","8","1") = "7"
    & skf18("4","1","1","8","2","9","1") = "8"
    & skf18("4","1","1","8","2","10","1") = "9"
    & skf18("4","1","1","8","3","1","1") = "7"
    & skf18("4","1","1","8","3","2","1") = "7"
    & skf18("4","1","1","8","3","3","1") = "7"
    & skf18("4","1","1","8","3","4","1") = "7"
    & skf18("4","1","1","8","3","5","1") = "7"
    & skf18("4","1","1","8","3","6","1") = "7"
    & skf18("4","1","1","8","3","7","1") = "7"
    & skf18("4","1","1","8","3","8","1") = "7"
    & skf18("4","1","1","8","3","9","1") = "8"
    & skf18("4","1","1","8","3","10","1") = "9"
    & skf18("4","1","1","8","4","1","1") = "7"
    & skf18("4","1","1","8","4","2","1") = "7"
    & skf18("4","1","1","8","4","3","1") = "7"
    & skf18("4","1","1","8","4","4","1") = "7"
    & skf18("4","1","1","8","4","5","1") = "7"
    & skf18("4","1","1","8","4","6","1") = "7"
    & skf18("4","1","1","8","4","7","1") = "7"
    & skf18("4","1","1","8","4","8","1") = "7"
    & skf18("4","1","1","8","4","9","1") = "8"
    & skf18("4","1","1","8","4","10","1") = "9"
    & skf18("4","1","1","8","5","1","1") = "7"
    & skf18("4","1","1","8","5","2","1") = "7"
    & skf18("4","1","1","8","5","3","1") = "7"
    & skf18("4","1","1","8","5","4","1") = "7"
    & skf18("4","1","1","8","5","5","1") = "7"
    & skf18("4","1","1","8","5","6","1") = "7"
    & skf18("4","1","1","8","5","7","1") = "7"
    & skf18("4","1","1","8","5","8","1") = "7"
    & skf18("4","1","1","8","5","9","1") = "8"
    & skf18("4","1","1","8","5","10","1") = "9"
    & skf18("4","1","1","8","6","1","1") = "7"
    & skf18("4","1","1","8","6","2","1") = "7"
    & skf18("4","1","1","8","6","3","1") = "7"
    & skf18("4","1","1","8","6","4","1") = "7"
    & skf18("4","1","1","8","6","5","1") = "7"
    & skf18("4","1","1","8","6","6","1") = "7"
    & skf18("4","1","1","8","6","7","1") = "7"
    & skf18("4","1","1","8","6","8","1") = "7"
    & skf18("4","1","1","8","6","9","1") = "8"
    & skf18("4","1","1","8","6","10","1") = "9"
    & skf18("4","1","1","8","7","1","1") = "7"
    & skf18("4","1","1","8","7","2","1") = "7"
    & skf18("4","1","1","8","7","3","1") = "7"
    & skf18("4","1","1","8","7","4","1") = "7"
    & skf18("4","1","1","8","7","5","1") = "7"
    & skf18("4","1","1","8","7","6","1") = "7"
    & skf18("4","1","1","8","7","7","1") = "7"
    & skf18("4","1","1","8","7","8","1") = "7"
    & skf18("4","1","1","8","7","9","1") = "8"
    & skf18("4","1","1","8","7","10","1") = "9"
    & skf18("4","1","1","8","8","1","1") = "7"
    & skf18("4","1","1","8","8","2","1") = "7"
    & skf18("4","1","1","8","8","3","1") = "7"
    & skf18("4","1","1","8","8","4","1") = "7"
    & skf18("4","1","1","8","8","5","1") = "7"
    & skf18("4","1","1","8","8","6","1") = "7"
    & skf18("4","1","1","8","8","7","1") = "7"
    & skf18("4","1","1","8","8","8","1") = "7"
    & skf18("4","1","1","8","8","9","1") = "8"
    & skf18("4","1","1","8","8","10","1") = "9"
    & skf18("4","1","1","8","9","1","1") = "8"
    & skf18("4","1","1","8","9","2","1") = "8"
    & skf18("4","1","1","8","9","3","1") = "8"
    & skf18("4","1","1","8","9","4","1") = "8"
    & skf18("4","1","1","8","9","5","1") = "8"
    & skf18("4","1","1","8","9","6","1") = "8"
    & skf18("4","1","1","8","9","7","1") = "8"
    & skf18("4","1","1","8","9","8","1") = "8"
    & skf18("4","1","1","8","9","9","1") = "8"
    & skf18("4","1","1","8","9","10","1") = "9"
    & skf18("4","1","1","8","10","1","1") = "9"
    & skf18("4","1","1","8","10","2","1") = "9"
    & skf18("4","1","1","8","10","3","1") = "9"
    & skf18("4","1","1","8","10","4","1") = "9"
    & skf18("4","1","1","8","10","5","1") = "9"
    & skf18("4","1","1","8","10","6","1") = "9"
    & skf18("4","1","1","8","10","7","1") = "9"
    & skf18("4","1","1","8","10","8","1") = "9"
    & skf18("4","1","1","8","10","9","1") = "9"
    & skf18("4","1","1","8","10","10","1") = "9"
    & skf18("4","1","1","9","1","1","1") = "8"
    & skf18("4","1","1","9","1","2","1") = "8"
    & skf18("4","1","1","9","1","3","1") = "8"
    & skf18("4","1","1","9","1","4","1") = "8"
    & skf18("4","1","1","9","1","5","1") = "8"
    & skf18("4","1","1","9","1","6","1") = "8"
    & skf18("4","1","1","9","1","7","1") = "8"
    & skf18("4","1","1","9","1","8","1") = "8"
    & skf18("4","1","1","9","1","9","1") = "8"
    & skf18("4","1","1","9","1","10","1") = "9"
    & skf18("4","1","1","9","2","1","1") = "8"
    & skf18("4","1","1","9","2","2","1") = "8"
    & skf18("4","1","1","9","2","3","1") = "8"
    & skf18("4","1","1","9","2","4","1") = "8"
    & skf18("4","1","1","9","2","5","1") = "8"
    & skf18("4","1","1","9","2","6","1") = "8"
    & skf18("4","1","1","9","2","7","1") = "8"
    & skf18("4","1","1","9","2","8","1") = "8"
    & skf18("4","1","1","9","2","9","1") = "8"
    & skf18("4","1","1","9","2","10","1") = "9"
    & skf18("4","1","1","9","3","1","1") = "8"
    & skf18("4","1","1","9","3","2","1") = "8"
    & skf18("4","1","1","9","3","3","1") = "8"
    & skf18("4","1","1","9","3","4","1") = "8"
    & skf18("4","1","1","9","3","5","1") = "8"
    & skf18("4","1","1","9","3","6","1") = "8"
    & skf18("4","1","1","9","3","7","1") = "8"
    & skf18("4","1","1","9","3","8","1") = "8"
    & skf18("4","1","1","9","3","9","1") = "8"
    & skf18("4","1","1","9","3","10","1") = "9"
    & skf18("4","1","1","9","4","1","1") = "8"
    & skf18("4","1","1","9","4","2","1") = "8"
    & skf18("4","1","1","9","4","3","1") = "8"
    & skf18("4","1","1","9","4","4","1") = "8"
    & skf18("4","1","1","9","4","5","1") = "8"
    & skf18("4","1","1","9","4","6","1") = "8"
    & skf18("4","1","1","9","4","7","1") = "8"
    & skf18("4","1","1","9","4","8","1") = "8"
    & skf18("4","1","1","9","4","9","1") = "8"
    & skf18("4","1","1","9","4","10","1") = "9"
    & skf18("4","1","1","9","5","1","1") = "8"
    & skf18("4","1","1","9","5","2","1") = "8"
    & skf18("4","1","1","9","5","3","1") = "8"
    & skf18("4","1","1","9","5","4","1") = "8"
    & skf18("4","1","1","9","5","5","1") = "8"
    & skf18("4","1","1","9","5","6","1") = "8"
    & skf18("4","1","1","9","5","7","1") = "8"
    & skf18("4","1","1","9","5","8","1") = "8"
    & skf18("4","1","1","9","5","9","1") = "8"
    & skf18("4","1","1","9","5","10","1") = "9"
    & skf18("4","1","1","9","6","1","1") = "8"
    & skf18("4","1","1","9","6","2","1") = "8"
    & skf18("4","1","1","9","6","3","1") = "8"
    & skf18("4","1","1","9","6","4","1") = "8"
    & skf18("4","1","1","9","6","5","1") = "8"
    & skf18("4","1","1","9","6","6","1") = "8"
    & skf18("4","1","1","9","6","7","1") = "8"
    & skf18("4","1","1","9","6","8","1") = "8"
    & skf18("4","1","1","9","6","9","1") = "8"
    & skf18("4","1","1","9","6","10","1") = "9"
    & skf18("4","1","1","9","7","1","1") = "8"
    & skf18("4","1","1","9","7","2","1") = "8"
    & skf18("4","1","1","9","7","3","1") = "8"
    & skf18("4","1","1","9","7","4","1") = "8"
    & skf18("4","1","1","9","7","5","1") = "8"
    & skf18("4","1","1","9","7","6","1") = "8"
    & skf18("4","1","1","9","7","7","1") = "8"
    & skf18("4","1","1","9","7","8","1") = "8"
    & skf18("4","1","1","9","7","9","1") = "8"
    & skf18("4","1","1","9","7","10","1") = "9"
    & skf18("4","1","1","9","8","1","1") = "8"
    & skf18("4","1","1","9","8","2","1") = "8"
    & skf18("4","1","1","9","8","3","1") = "8"
    & skf18("4","1","1","9","8","4","1") = "8"
    & skf18("4","1","1","9","8","5","1") = "8"
    & skf18("4","1","1","9","8","6","1") = "8"
    & skf18("4","1","1","9","8","7","1") = "8"
    & skf18("4","1","1","9","8","8","1") = "8"
    & skf18("4","1","1","9","8","9","1") = "8"
    & skf18("4","1","1","9","8","10","1") = "9"
    & skf18("4","1","1","9","9","1","1") = "8"
    & skf18("4","1","1","9","9","2","1") = "8"
    & skf18("4","1","1","9","9","3","1") = "8"
    & skf18("4","1","1","9","9","4","1") = "8"
    & skf18("4","1","1","9","9","5","1") = "8"
    & skf18("4","1","1","9","9","6","1") = "8"
    & skf18("4","1","1","9","9","7","1") = "8"
    & skf18("4","1","1","9","9","8","1") = "8"
    & skf18("4","1","1","9","9","9","1") = "8"
    & skf18("4","1","1","9","9","10","1") = "9"
    & skf18("4","1","1","9","10","1","1") = "9"
    & skf18("4","1","1","9","10","2","1") = "9"
    & skf18("4","1","1","9","10","3","1") = "9"
    & skf18("4","1","1","9","10","4","1") = "9"
    & skf18("4","1","1","9","10","5","1") = "9"
    & skf18("4","1","1","9","10","6","1") = "9"
    & skf18("4","1","1","9","10","7","1") = "9"
    & skf18("4","1","1","9","10","8","1") = "9"
    & skf18("4","1","1","9","10","9","1") = "9"
    & skf18("4","1","1","9","10","10","1") = "9"
    & skf18("4","1","1","10","1","1","1") = "9"
    & skf18("4","1","1","10","1","2","1") = "9"
    & skf18("4","1","1","10","1","3","1") = "9"
    & skf18("4","1","1","10","1","4","1") = "9"
    & skf18("4","1","1","10","1","5","1") = "9"
    & skf18("4","1","1","10","1","6","1") = "9"
    & skf18("4","1","1","10","1","7","1") = "9"
    & skf18("4","1","1","10","1","8","1") = "9"
    & skf18("4","1","1","10","1","9","1") = "9"
    & skf18("4","1","1","10","1","10","1") = "9"
    & skf18("4","1","1","10","2","1","1") = "9"
    & skf18("4","1","1","10","2","2","1") = "9"
    & skf18("4","1","1","10","2","3","1") = "9"
    & skf18("4","1","1","10","2","4","1") = "9"
    & skf18("4","1","1","10","2","5","1") = "9"
    & skf18("4","1","1","10","2","6","1") = "9"
    & skf18("4","1","1","10","2","7","1") = "9"
    & skf18("4","1","1","10","2","8","1") = "9"
    & skf18("4","1","1","10","2","9","1") = "9"
    & skf18("4","1","1","10","2","10","1") = "9"
    & skf18("4","1","1","10","3","1","1") = "9"
    & skf18("4","1","1","10","3","2","1") = "9"
    & skf18("4","1","1","10","3","3","1") = "9"
    & skf18("4","1","1","10","3","4","1") = "9"
    & skf18("4","1","1","10","3","5","1") = "9"
    & skf18("4","1","1","10","3","6","1") = "9"
    & skf18("4","1","1","10","3","7","1") = "9"
    & skf18("4","1","1","10","3","8","1") = "9"
    & skf18("4","1","1","10","3","9","1") = "9"
    & skf18("4","1","1","10","3","10","1") = "9"
    & skf18("4","1","1","10","4","1","1") = "9"
    & skf18("4","1","1","10","4","2","1") = "9"
    & skf18("4","1","1","10","4","3","1") = "9"
    & skf18("4","1","1","10","4","4","1") = "9"
    & skf18("4","1","1","10","4","5","1") = "9"
    & skf18("4","1","1","10","4","6","1") = "9"
    & skf18("4","1","1","10","4","7","1") = "9"
    & skf18("4","1","1","10","4","8","1") = "9"
    & skf18("4","1","1","10","4","9","1") = "9"
    & skf18("4","1","1","10","4","10","1") = "9"
    & skf18("4","1","1","10","5","1","1") = "9"
    & skf18("4","1","1","10","5","2","1") = "9"
    & skf18("4","1","1","10","5","3","1") = "9"
    & skf18("4","1","1","10","5","4","1") = "9"
    & skf18("4","1","1","10","5","5","1") = "9"
    & skf18("4","1","1","10","5","6","1") = "9"
    & skf18("4","1","1","10","5","7","1") = "9"
    & skf18("4","1","1","10","5","8","1") = "9"
    & skf18("4","1","1","10","5","9","1") = "9"
    & skf18("4","1","1","10","5","10","1") = "9"
    & skf18("4","1","1","10","6","1","1") = "9"
    & skf18("4","1","1","10","6","2","1") = "9"
    & skf18("4","1","1","10","6","3","1") = "9"
    & skf18("4","1","1","10","6","4","1") = "9"
    & skf18("4","1","1","10","6","5","1") = "9"
    & skf18("4","1","1","10","6","6","1") = "9"
    & skf18("4","1","1","10","6","7","1") = "9"
    & skf18("4","1","1","10","6","8","1") = "9"
    & skf18("4","1","1","10","6","9","1") = "9"
    & skf18("4","1","1","10","6","10","1") = "9"
    & skf18("4","1","1","10","7","1","1") = "9"
    & skf18("4","1","1","10","7","2","1") = "9"
    & skf18("4","1","1","10","7","3","1") = "9"
    & skf18("4","1","1","10","7","4","1") = "9"
    & skf18("4","1","1","10","7","5","1") = "9"
    & skf18("4","1","1","10","7","6","1") = "9"
    & skf18("4","1","1","10","7","7","1") = "9"
    & skf18("4","1","1","10","7","8","1") = "9"
    & skf18("4","1","1","10","7","9","1") = "9"
    & skf18("4","1","1","10","7","10","1") = "9"
    & skf18("4","1","1","10","8","1","1") = "9"
    & skf18("4","1","1","10","8","2","1") = "9"
    & skf18("4","1","1","10","8","3","1") = "9"
    & skf18("4","1","1","10","8","4","1") = "9"
    & skf18("4","1","1","10","8","5","1") = "9"
    & skf18("4","1","1","10","8","6","1") = "9"
    & skf18("4","1","1","10","8","7","1") = "9"
    & skf18("4","1","1","10","8","8","1") = "9"
    & skf18("4","1","1","10","8","9","1") = "9"
    & skf18("4","1","1","10","8","10","1") = "9"
    & skf18("4","1","1","10","9","1","1") = "9"
    & skf18("4","1","1","10","9","2","1") = "9"
    & skf18("4","1","1","10","9","3","1") = "9"
    & skf18("4","1","1","10","9","4","1") = "9"
    & skf18("4","1","1","10","9","5","1") = "9"
    & skf18("4","1","1","10","9","6","1") = "9"
    & skf18("4","1","1","10","9","7","1") = "9"
    & skf18("4","1","1","10","9","8","1") = "9"
    & skf18("4","1","1","10","9","9","1") = "9"
    & skf18("4","1","1","10","9","10","1") = "9"
    & skf18("4","1","1","10","10","1","1") = "9"
    & skf18("4","1","1","10","10","2","1") = "9"
    & skf18("4","1","1","10","10","3","1") = "9"
    & skf18("4","1","1","10","10","4","1") = "9"
    & skf18("4","1","1","10","10","5","1") = "9"
    & skf18("4","1","1","10","10","6","1") = "9"
    & skf18("4","1","1","10","10","7","1") = "9"
    & skf18("4","1","1","10","10","8","1") = "9"
    & skf18("4","1","1","10","10","9","1") = "9"
    & skf18("4","1","1","10","10","10","1") = "9"
    & skf18("4","1","2","1","1","1","1") = "3"
    & skf18("4","1","2","1","1","2","1") = "3"
    & skf18("4","1","2","1","1","3","1") = "3"
    & skf18("4","1","2","1","1","4","1") = "3"
    & skf18("4","1","2","1","1","5","1") = "4"
    & skf18("4","1","2","1","1","6","1") = "5"
    & skf18("4","1","2","1","1","7","1") = "6"
    & skf18("4","1","2","1","1","8","1") = "7"
    & skf18("4","1","2","1","1","9","1") = "8"
    & skf18("4","1","2","1","1","10","1") = "9"
    & skf18("4","1","2","1","2","1","1") = "3"
    & skf18("4","1","2","1","2","2","1") = "3"
    & skf18("4","1","2","1","2","3","1") = "3"
    & skf18("4","1","2","1","2","4","1") = "3"
    & skf18("4","1","2","1","2","5","1") = "4"
    & skf18("4","1","2","1","2","6","1") = "5"
    & skf18("4","1","2","1","2","7","1") = "6"
    & skf18("4","1","2","1","2","8","1") = "7"
    & skf18("4","1","2","1","2","9","1") = "8"
    & skf18("4","1","2","1","2","10","1") = "9"
    & skf18("4","1","2","1","3","1","1") = "3"
    & skf18("4","1","2","1","3","2","1") = "3"
    & skf18("4","1","2","1","3","3","1") = "3"
    & skf18("4","1","2","1","3","4","1") = "3"
    & skf18("4","1","2","1","3","5","1") = "4"
    & skf18("4","1","2","1","3","6","1") = "5"
    & skf18("4","1","2","1","3","7","1") = "6"
    & skf18("4","1","2","1","3","8","1") = "7"
    & skf18("4","1","2","1","3","9","1") = "8"
    & skf18("4","1","2","1","3","10","1") = "9"
    & skf18("4","1","2","1","4","1","1") = "3"
    & skf18("4","1","2","1","4","2","1") = "3"
    & skf18("4","1","2","1","4","3","1") = "3"
    & skf18("4","1","2","1","4","4","1") = "3"
    & skf18("4","1","2","1","4","5","1") = "4"
    & skf18("4","1","2","1","4","6","1") = "5"
    & skf18("4","1","2","1","4","7","1") = "6"
    & skf18("4","1","2","1","4","8","1") = "7"
    & skf18("4","1","2","1","4","9","1") = "8"
    & skf18("4","1","2","1","4","10","1") = "9"
    & skf18("4","1","2","1","5","1","1") = "4"
    & skf18("4","1","2","1","5","2","1") = "4"
    & skf18("4","1","2","1","5","3","1") = "4"
    & skf18("4","1","2","1","5","4","1") = "4"
    & skf18("4","1","2","1","5","5","1") = "4"
    & skf18("4","1","2","1","5","6","1") = "5"
    & skf18("4","1","2","1","5","7","1") = "6"
    & skf18("4","1","2","1","5","8","1") = "7"
    & skf18("4","1","2","1","5","9","1") = "8"
    & skf18("4","1","2","1","5","10","1") = "9"
    & skf18("4","1","2","1","6","1","1") = "5"
    & skf18("4","1","2","1","6","2","1") = "5"
    & skf18("4","1","2","1","6","3","1") = "5"
    & skf18("4","1","2","1","6","4","1") = "5"
    & skf18("4","1","2","1","6","5","1") = "5"
    & skf18("4","1","2","1","6","6","1") = "5"
    & skf18("4","1","2","1","6","7","1") = "6"
    & skf18("4","1","2","1","6","8","1") = "7"
    & skf18("4","1","2","1","6","9","1") = "8"
    & skf18("4","1","2","1","6","10","1") = "9"
    & skf18("4","1","2","1","7","1","1") = "6"
    & skf18("4","1","2","1","7","2","1") = "6"
    & skf18("4","1","2","1","7","3","1") = "6"
    & skf18("4","1","2","1","7","4","1") = "6"
    & skf18("4","1","2","1","7","5","1") = "6"
    & skf18("4","1","2","1","7","6","1") = "6"
    & skf18("4","1","2","1","7","7","1") = "6"
    & skf18("4","1","2","1","7","8","1") = "7"
    & skf18("4","1","2","1","7","9","1") = "8"
    & skf18("4","1","2","1","7","10","1") = "9"
    & skf18("4","1","2","1","8","1","1") = "7"
    & skf18("4","1","2","1","8","2","1") = "7"
    & skf18("4","1","2","1","8","3","1") = "7"
    & skf18("4","1","2","1","8","4","1") = "7"
    & skf18("4","1","2","1","8","5","1") = "7"
    & skf18("4","1","2","1","8","6","1") = "7"
    & skf18("4","1","2","1","8","7","1") = "7"
    & skf18("4","1","2","1","8","8","1") = "7"
    & skf18("4","1","2","1","8","9","1") = "8"
    & skf18("4","1","2","1","8","10","1") = "9"
    & skf18("4","1","2","1","9","1","1") = "8"
    & skf18("4","1","2","1","9","2","1") = "8"
    & skf18("4","1","2","1","9","3","1") = "8"
    & skf18("4","1","2","1","9","4","1") = "8"
    & skf18("4","1","2","1","9","5","1") = "8"
    & skf18("4","1","2","1","9","6","1") = "8"
    & skf18("4","1","2","1","9","7","1") = "8"
    & skf18("4","1","2","1","9","8","1") = "8"
    & skf18("4","1","2","1","9","9","1") = "8"
    & skf18("4","1","2","1","9","10","1") = "9"
    & skf18("4","1","2","1","10","1","1") = "9"
    & skf18("4","1","2","1","10","2","1") = "9"
    & skf18("4","1","2","1","10","3","1") = "9"
    & skf18("4","1","2","1","10","4","1") = "9"
    & skf18("4","1","2","1","10","5","1") = "9"
    & skf18("4","1","2","1","10","6","1") = "9"
    & skf18("4","1","2","1","10","7","1") = "9"
    & skf18("4","1","2","1","10","8","1") = "9"
    & skf18("4","1","2","1","10","9","1") = "9"
    & skf18("4","1","2","1","10","10","1") = "9"
    & skf18("4","1","2","2","1","1","1") = "3"
    & skf18("4","1","2","2","1","2","1") = "3"
    & skf18("4","1","2","2","1","3","1") = "3"
    & skf18("4","1","2","2","1","4","1") = "3"
    & skf18("4","1","2","2","1","5","1") = "4"
    & skf18("4","1","2","2","1","6","1") = "5"
    & skf18("4","1","2","2","1","7","1") = "6"
    & skf18("4","1","2","2","1","8","1") = "7"
    & skf18("4","1","2","2","1","9","1") = "8"
    & skf18("4","1","2","2","1","10","1") = "9"
    & skf18("4","1","2","2","2","1","1") = "3"
    & skf18("4","1","2","2","2","2","1") = "3"
    & skf18("4","1","2","2","2","3","1") = "3"
    & skf18("4","1","2","2","2","4","1") = "3"
    & skf18("4","1","2","2","2","5","1") = "4"
    & skf18("4","1","2","2","2","6","1") = "5"
    & skf18("4","1","2","2","2","7","1") = "6"
    & skf18("4","1","2","2","2","8","1") = "7"
    & skf18("4","1","2","2","2","9","1") = "8"
    & skf18("4","1","2","2","2","10","1") = "9"
    & skf18("4","1","2","2","3","1","1") = "3"
    & skf18("4","1","2","2","3","2","1") = "3"
    & skf18("4","1","2","2","3","3","1") = "3"
    & skf18("4","1","2","2","3","4","1") = "3"
    & skf18("4","1","2","2","3","5","1") = "4"
    & skf18("4","1","2","2","3","6","1") = "5"
    & skf18("4","1","2","2","3","7","1") = "6"
    & skf18("4","1","2","2","3","8","1") = "7"
    & skf18("4","1","2","2","3","9","1") = "8"
    & skf18("4","1","2","2","3","10","1") = "9"
    & skf18("4","1","2","2","4","1","1") = "3"
    & skf18("4","1","2","2","4","2","1") = "3"
    & skf18("4","1","2","2","4","3","1") = "3"
    & skf18("4","1","2","2","4","4","1") = "3"
    & skf18("4","1","2","2","4","5","1") = "4"
    & skf18("4","1","2","2","4","6","1") = "5"
    & skf18("4","1","2","2","4","7","1") = "6"
    & skf18("4","1","2","2","4","8","1") = "7"
    & skf18("4","1","2","2","4","9","1") = "8"
    & skf18("4","1","2","2","4","10","1") = "9"
    & skf18("4","1","2","2","5","1","1") = "4"
    & skf18("4","1","2","2","5","2","1") = "4"
    & skf18("4","1","2","2","5","3","1") = "4"
    & skf18("4","1","2","2","5","4","1") = "4"
    & skf18("4","1","2","2","5","5","1") = "4"
    & skf18("4","1","2","2","5","6","1") = "5"
    & skf18("4","1","2","2","5","7","1") = "6"
    & skf18("4","1","2","2","5","8","1") = "7"
    & skf18("4","1","2","2","5","9","1") = "8"
    & skf18("4","1","2","2","5","10","1") = "9"
    & skf18("4","1","2","2","6","1","1") = "5"
    & skf18("4","1","2","2","6","2","1") = "5"
    & skf18("4","1","2","2","6","3","1") = "5"
    & skf18("4","1","2","2","6","4","1") = "5"
    & skf18("4","1","2","2","6","5","1") = "5"
    & skf18("4","1","2","2","6","6","1") = "5"
    & skf18("4","1","2","2","6","7","1") = "6"
    & skf18("4","1","2","2","6","8","1") = "7"
    & skf18("4","1","2","2","6","9","1") = "8"
    & skf18("4","1","2","2","6","10","1") = "9"
    & skf18("4","1","2","2","7","1","1") = "6"
    & skf18("4","1","2","2","7","2","1") = "6"
    & skf18("4","1","2","2","7","3","1") = "6"
    & skf18("4","1","2","2","7","4","1") = "6"
    & skf18("4","1","2","2","7","5","1") = "6"
    & skf18("4","1","2","2","7","6","1") = "6"
    & skf18("4","1","2","2","7","7","1") = "6"
    & skf18("4","1","2","2","7","8","1") = "7"
    & skf18("4","1","2","2","7","9","1") = "8"
    & skf18("4","1","2","2","7","10","1") = "9"
    & skf18("4","1","2","2","8","1","1") = "7"
    & skf18("4","1","2","2","8","2","1") = "7"
    & skf18("4","1","2","2","8","3","1") = "7"
    & skf18("4","1","2","2","8","4","1") = "7"
    & skf18("4","1","2","2","8","5","1") = "7"
    & skf18("4","1","2","2","8","6","1") = "7"
    & skf18("4","1","2","2","8","7","1") = "7"
    & skf18("4","1","2","2","8","8","1") = "7"
    & skf18("4","1","2","2","8","9","1") = "8"
    & skf18("4","1","2","2","8","10","1") = "9"
    & skf18("4","1","2","2","9","1","1") = "8"
    & skf18("4","1","2","2","9","2","1") = "8"
    & skf18("4","1","2","2","9","3","1") = "8"
    & skf18("4","1","2","2","9","4","1") = "8"
    & skf18("4","1","2","2","9","5","1") = "8"
    & skf18("4","1","2","2","9","6","1") = "8"
    & skf18("4","1","2","2","9","7","1") = "8"
    & skf18("4","1","2","2","9","8","1") = "8"
    & skf18("4","1","2","2","9","9","1") = "8"
    & skf18("4","1","2","2","9","10","1") = "9"
    & skf18("4","1","2","2","10","1","1") = "9"
    & skf18("4","1","2","2","10","2","1") = "9"
    & skf18("4","1","2","2","10","3","1") = "9"
    & skf18("4","1","2","2","10","4","1") = "9"
    & skf18("4","1","2","2","10","5","1") = "9"
    & skf18("4","1","2","2","10","6","1") = "9"
    & skf18("4","1","2","2","10","7","1") = "9"
    & skf18("4","1","2","2","10","8","1") = "9"
    & skf18("4","1","2","2","10","9","1") = "9"
    & skf18("4","1","2","2","10","10","1") = "9"
    & skf18("4","1","2","3","1","1","1") = "3"
    & skf18("4","1","2","3","1","2","1") = "3"
    & skf18("4","1","2","3","1","3","1") = "3"
    & skf18("4","1","2","3","1","4","1") = "3"
    & skf18("4","1","2","3","1","5","1") = "4"
    & skf18("4","1","2","3","1","6","1") = "5"
    & skf18("4","1","2","3","1","7","1") = "6"
    & skf18("4","1","2","3","1","8","1") = "7"
    & skf18("4","1","2","3","1","9","1") = "8"
    & skf18("4","1","2","3","1","10","1") = "9"
    & skf18("4","1","2","3","2","1","1") = "3"
    & skf18("4","1","2","3","2","2","1") = "3"
    & skf18("4","1","2","3","2","3","1") = "3"
    & skf18("4","1","2","3","2","4","1") = "3"
    & skf18("4","1","2","3","2","5","1") = "4"
    & skf18("4","1","2","3","2","6","1") = "5"
    & skf18("4","1","2","3","2","7","1") = "6"
    & skf18("4","1","2","3","2","8","1") = "7"
    & skf18("4","1","2","3","2","9","1") = "8"
    & skf18("4","1","2","3","2","10","1") = "9"
    & skf18("4","1","2","3","3","1","1") = "3"
    & skf18("4","1","2","3","3","2","1") = "3"
    & skf18("4","1","2","3","3","3","1") = "3"
    & skf18("4","1","2","3","3","4","1") = "3"
    & skf18("4","1","2","3","3","5","1") = "4"
    & skf18("4","1","2","3","3","6","1") = "5"
    & skf18("4","1","2","3","3","7","1") = "6"
    & skf18("4","1","2","3","3","8","1") = "7"
    & skf18("4","1","2","3","3","9","1") = "8"
    & skf18("4","1","2","3","3","10","1") = "9"
    & skf18("4","1","2","3","4","1","1") = "3"
    & skf18("4","1","2","3","4","2","1") = "3"
    & skf18("4","1","2","3","4","3","1") = "3"
    & skf18("4","1","2","3","4","4","1") = "3"
    & skf18("4","1","2","3","4","5","1") = "4"
    & skf18("4","1","2","3","4","6","1") = "5"
    & skf18("4","1","2","3","4","7","1") = "6"
    & skf18("4","1","2","3","4","8","1") = "7"
    & skf18("4","1","2","3","4","9","1") = "8"
    & skf18("4","1","2","3","4","10","1") = "9"
    & skf18("4","1","2","3","5","1","1") = "4"
    & skf18("4","1","2","3","5","2","1") = "4"
    & skf18("4","1","2","3","5","3","1") = "4"
    & skf18("4","1","2","3","5","4","1") = "4"
    & skf18("4","1","2","3","5","5","1") = "4"
    & skf18("4","1","2","3","5","6","1") = "5"
    & skf18("4","1","2","3","5","7","1") = "6"
    & skf18("4","1","2","3","5","8","1") = "7"
    & skf18("4","1","2","3","5","9","1") = "8"
    & skf18("4","1","2","3","5","10","1") = "9"
    & skf18("4","1","2","3","6","1","1") = "5"
    & skf18("4","1","2","3","6","2","1") = "5"
    & skf18("4","1","2","3","6","3","1") = "5"
    & skf18("4","1","2","3","6","4","1") = "5"
    & skf18("4","1","2","3","6","5","1") = "5"
    & skf18("4","1","2","3","6","6","1") = "5"
    & skf18("4","1","2","3","6","7","1") = "6"
    & skf18("4","1","2","3","6","8","1") = "7"
    & skf18("4","1","2","3","6","9","1") = "8"
    & skf18("4","1","2","3","6","10","1") = "9"
    & skf18("4","1","2","3","7","1","1") = "6"
    & skf18("4","1","2","3","7","2","1") = "6"
    & skf18("4","1","2","3","7","3","1") = "6"
    & skf18("4","1","2","3","7","4","1") = "6"
    & skf18("4","1","2","3","7","5","1") = "6"
    & skf18("4","1","2","3","7","6","1") = "6"
    & skf18("4","1","2","3","7","7","1") = "6"
    & skf18("4","1","2","3","7","8","1") = "7"
    & skf18("4","1","2","3","7","9","1") = "8"
    & skf18("4","1","2","3","7","10","1") = "9"
    & skf18("4","1","2","3","8","1","1") = "7"
    & skf18("4","1","2","3","8","2","1") = "7"
    & skf18("4","1","2","3","8","3","1") = "7"
    & skf18("4","1","2","3","8","4","1") = "7"
    & skf18("4","1","2","3","8","5","1") = "7"
    & skf18("4","1","2","3","8","6","1") = "7"
    & skf18("4","1","2","3","8","7","1") = "7"
    & skf18("4","1","2","3","8","8","1") = "7"
    & skf18("4","1","2","3","8","9","1") = "8"
    & skf18("4","1","2","3","8","10","1") = "9"
    & skf18("4","1","2","3","9","1","1") = "8"
    & skf18("4","1","2","3","9","2","1") = "8"
    & skf18("4","1","2","3","9","3","1") = "8"
    & skf18("4","1","2","3","9","4","1") = "8"
    & skf18("4","1","2","3","9","5","1") = "8"
    & skf18("4","1","2","3","9","6","1") = "8"
    & skf18("4","1","2","3","9","7","1") = "8"
    & skf18("4","1","2","3","9","8","1") = "8"
    & skf18("4","1","2","3","9","9","1") = "8"
    & skf18("4","1","2","3","9","10","1") = "9"
    & skf18("4","1","2","3","10","1","1") = "9"
    & skf18("4","1","2","3","10","2","1") = "9"
    & skf18("4","1","2","3","10","3","1") = "9"
    & skf18("4","1","2","3","10","4","1") = "9"
    & skf18("4","1","2","3","10","5","1") = "9"
    & skf18("4","1","2","3","10","6","1") = "9"
    & skf18("4","1","2","3","10","7","1") = "9"
    & skf18("4","1","2","3","10","8","1") = "9"
    & skf18("4","1","2","3","10","9","1") = "9"
    & skf18("4","1","2","3","10","10","1") = "9"
    & skf18("4","1","2","4","1","1","1") = "3"
    & skf18("4","1","2","4","1","2","1") = "3"
    & skf18("4","1","2","4","1","3","1") = "3"
    & skf18("4","1","2","4","1","4","1") = "3"
    & skf18("4","1","2","4","1","5","1") = "4"
    & skf18("4","1","2","4","1","6","1") = "5"
    & skf18("4","1","2","4","1","7","1") = "6"
    & skf18("4","1","2","4","1","8","1") = "7"
    & skf18("4","1","2","4","1","9","1") = "8"
    & skf18("4","1","2","4","1","10","1") = "9"
    & skf18("4","1","2","4","2","1","1") = "3"
    & skf18("4","1","2","4","2","2","1") = "3"
    & skf18("4","1","2","4","2","3","1") = "3"
    & skf18("4","1","2","4","2","4","1") = "3"
    & skf18("4","1","2","4","2","5","1") = "4"
    & skf18("4","1","2","4","2","6","1") = "5"
    & skf18("4","1","2","4","2","7","1") = "6"
    & skf18("4","1","2","4","2","8","1") = "7"
    & skf18("4","1","2","4","2","9","1") = "8"
    & skf18("4","1","2","4","2","10","1") = "9"
    & skf18("4","1","2","4","3","1","1") = "3"
    & skf18("4","1","2","4","3","2","1") = "3"
    & skf18("4","1","2","4","3","3","1") = "3"
    & skf18("4","1","2","4","3","4","1") = "3"
    & skf18("4","1","2","4","3","5","1") = "4"
    & skf18("4","1","2","4","3","6","1") = "5"
    & skf18("4","1","2","4","3","7","1") = "6"
    & skf18("4","1","2","4","3","8","1") = "7"
    & skf18("4","1","2","4","3","9","1") = "8"
    & skf18("4","1","2","4","3","10","1") = "9"
    & skf18("4","1","2","4","4","1","1") = "3"
    & skf18("4","1","2","4","4","2","1") = "3"
    & skf18("4","1","2","4","4","3","1") = "3"
    & skf18("4","1","2","4","4","4","1") = "3"
    & skf18("4","1","2","4","4","5","1") = "4"
    & skf18("4","1","2","4","4","6","1") = "5"
    & skf18("4","1","2","4","4","7","1") = "6"
    & skf18("4","1","2","4","4","8","1") = "7"
    & skf18("4","1","2","4","4","9","1") = "8"
    & skf18("4","1","2","4","4","10","1") = "9"
    & skf18("4","1","2","4","5","1","1") = "4"
    & skf18("4","1","2","4","5","2","1") = "4"
    & skf18("4","1","2","4","5","3","1") = "4"
    & skf18("4","1","2","4","5","4","1") = "4"
    & skf18("4","1","2","4","5","5","1") = "4"
    & skf18("4","1","2","4","5","6","1") = "5"
    & skf18("4","1","2","4","5","7","1") = "6"
    & skf18("4","1","2","4","5","8","1") = "7"
    & skf18("4","1","2","4","5","9","1") = "8"
    & skf18("4","1","2","4","5","10","1") = "9"
    & skf18("4","1","2","4","6","1","1") = "5"
    & skf18("4","1","2","4","6","2","1") = "5"
    & skf18("4","1","2","4","6","3","1") = "5"
    & skf18("4","1","2","4","6","4","1") = "5"
    & skf18("4","1","2","4","6","5","1") = "5"
    & skf18("4","1","2","4","6","6","1") = "5"
    & skf18("4","1","2","4","6","7","1") = "6"
    & skf18("4","1","2","4","6","8","1") = "7"
    & skf18("4","1","2","4","6","9","1") = "8"
    & skf18("4","1","2","4","6","10","1") = "9"
    & skf18("4","1","2","4","7","1","1") = "6"
    & skf18("4","1","2","4","7","2","1") = "6"
    & skf18("4","1","2","4","7","3","1") = "6"
    & skf18("4","1","2","4","7","4","1") = "6"
    & skf18("4","1","2","4","7","5","1") = "6"
    & skf18("4","1","2","4","7","6","1") = "6"
    & skf18("4","1","2","4","7","7","1") = "6"
    & skf18("4","1","2","4","7","8","1") = "7"
    & skf18("4","1","2","4","7","9","1") = "8"
    & skf18("4","1","2","4","7","10","1") = "9"
    & skf18("4","1","2","4","8","1","1") = "7"
    & skf18("4","1","2","4","8","2","1") = "7"
    & skf18("4","1","2","4","8","3","1") = "7"
    & skf18("4","1","2","4","8","4","1") = "7"
    & skf18("4","1","2","4","8","5","1") = "7"
    & skf18("4","1","2","4","8","6","1") = "7"
    & skf18("4","1","2","4","8","7","1") = "7"
    & skf18("4","1","2","4","8","8","1") = "7"
    & skf18("4","1","2","4","8","9","1") = "8"
    & skf18("4","1","2","4","8","10","1") = "9"
    & skf18("4","1","2","4","9","1","1") = "8"
    & skf18("4","1","2","4","9","2","1") = "8"
    & skf18("4","1","2","4","9","3","1") = "8"
    & skf18("4","1","2","4","9","4","1") = "8"
    & skf18("4","1","2","4","9","5","1") = "8"
    & skf18("4","1","2","4","9","6","1") = "8"
    & skf18("4","1","2","4","9","7","1") = "8"
    & skf18("4","1","2","4","9","8","1") = "8"
    & skf18("4","1","2","4","9","9","1") = "8"
    & skf18("4","1","2","4","9","10","1") = "9"
    & skf18("4","1","2","4","10","1","1") = "9"
    & skf18("4","1","2","4","10","2","1") = "9"
    & skf18("4","1","2","4","10","3","1") = "9"
    & skf18("4","1","2","4","10","4","1") = "9"
    & skf18("4","1","2","4","10","5","1") = "9"
    & skf18("4","1","2","4","10","6","1") = "9"
    & skf18("4","1","2","4","10","7","1") = "9"
    & skf18("4","1","2","4","10","8","1") = "9"
    & skf18("4","1","2","4","10","9","1") = "9"
    & skf18("4","1","2","4","10","10","1") = "9"
    & skf18("4","1","2","5","1","1","1") = "4"
    & skf18("4","1","2","5","1","2","1") = "4"
    & skf18("4","1","2","5","1","3","1") = "4"
    & skf18("4","1","2","5","1","4","1") = "4"
    & skf18("4","1","2","5","1","5","1") = "4"
    & skf18("4","1","2","5","1","6","1") = "5"
    & skf18("4","1","2","5","1","7","1") = "6"
    & skf18("4","1","2","5","1","8","1") = "7"
    & skf18("4","1","2","5","1","9","1") = "8"
    & skf18("4","1","2","5","1","10","1") = "9"
    & skf18("4","1","2","5","2","1","1") = "4"
    & skf18("4","1","2","5","2","2","1") = "4"
    & skf18("4","1","2","5","2","3","1") = "4"
    & skf18("4","1","2","5","2","4","1") = "4"
    & skf18("4","1","2","5","2","5","1") = "4"
    & skf18("4","1","2","5","2","6","1") = "5"
    & skf18("4","1","2","5","2","7","1") = "6"
    & skf18("4","1","2","5","2","8","1") = "7"
    & skf18("4","1","2","5","2","9","1") = "8"
    & skf18("4","1","2","5","2","10","1") = "9"
    & skf18("4","1","2","5","3","1","1") = "4"
    & skf18("4","1","2","5","3","2","1") = "4"
    & skf18("4","1","2","5","3","3","1") = "4"
    & skf18("4","1","2","5","3","4","1") = "4"
    & skf18("4","1","2","5","3","5","1") = "4"
    & skf18("4","1","2","5","3","6","1") = "5"
    & skf18("4","1","2","5","3","7","1") = "6"
    & skf18("4","1","2","5","3","8","1") = "7"
    & skf18("4","1","2","5","3","9","1") = "8"
    & skf18("4","1","2","5","3","10","1") = "9"
    & skf18("4","1","2","5","4","1","1") = "4"
    & skf18("4","1","2","5","4","2","1") = "4"
    & skf18("4","1","2","5","4","3","1") = "4"
    & skf18("4","1","2","5","4","4","1") = "4"
    & skf18("4","1","2","5","4","5","1") = "4"
    & skf18("4","1","2","5","4","6","1") = "5"
    & skf18("4","1","2","5","4","7","1") = "6"
    & skf18("4","1","2","5","4","8","1") = "7"
    & skf18("4","1","2","5","4","9","1") = "8"
    & skf18("4","1","2","5","4","10","1") = "9"
    & skf18("4","1","2","5","5","1","1") = "4"
    & skf18("4","1","2","5","5","2","1") = "4"
    & skf18("4","1","2","5","5","3","1") = "4"
    & skf18("4","1","2","5","5","4","1") = "4"
    & skf18("4","1","2","5","5","5","1") = "4"
    & skf18("4","1","2","5","5","6","1") = "5"
    & skf18("4","1","2","5","5","7","1") = "6"
    & skf18("4","1","2","5","5","8","1") = "7"
    & skf18("4","1","2","5","5","9","1") = "8"
    & skf18("4","1","2","5","5","10","1") = "9"
    & skf18("4","1","2","5","6","1","1") = "5"
    & skf18("4","1","2","5","6","2","1") = "5"
    & skf18("4","1","2","5","6","3","1") = "5"
    & skf18("4","1","2","5","6","4","1") = "5"
    & skf18("4","1","2","5","6","5","1") = "5"
    & skf18("4","1","2","5","6","6","1") = "5"
    & skf18("4","1","2","5","6","7","1") = "6"
    & skf18("4","1","2","5","6","8","1") = "7"
    & skf18("4","1","2","5","6","9","1") = "8"
    & skf18("4","1","2","5","6","10","1") = "9"
    & skf18("4","1","2","5","7","1","1") = "6"
    & skf18("4","1","2","5","7","2","1") = "6"
    & skf18("4","1","2","5","7","3","1") = "6"
    & skf18("4","1","2","5","7","4","1") = "6"
    & skf18("4","1","2","5","7","5","1") = "6"
    & skf18("4","1","2","5","7","6","1") = "6"
    & skf18("4","1","2","5","7","7","1") = "6"
    & skf18("4","1","2","5","7","8","1") = "7"
    & skf18("4","1","2","5","7","9","1") = "8"
    & skf18("4","1","2","5","7","10","1") = "9"
    & skf18("4","1","2","5","8","1","1") = "7"
    & skf18("4","1","2","5","8","2","1") = "7"
    & skf18("4","1","2","5","8","3","1") = "7"
    & skf18("4","1","2","5","8","4","1") = "7"
    & skf18("4","1","2","5","8","5","1") = "7"
    & skf18("4","1","2","5","8","6","1") = "7"
    & skf18("4","1","2","5","8","7","1") = "7"
    & skf18("4","1","2","5","8","8","1") = "7"
    & skf18("4","1","2","5","8","9","1") = "8"
    & skf18("4","1","2","5","8","10","1") = "9"
    & skf18("4","1","2","5","9","1","1") = "8"
    & skf18("4","1","2","5","9","2","1") = "8"
    & skf18("4","1","2","5","9","3","1") = "8"
    & skf18("4","1","2","5","9","4","1") = "8"
    & skf18("4","1","2","5","9","5","1") = "8"
    & skf18("4","1","2","5","9","6","1") = "8"
    & skf18("4","1","2","5","9","7","1") = "8"
    & skf18("4","1","2","5","9","8","1") = "8"
    & skf18("4","1","2","5","9","9","1") = "8"
    & skf18("4","1","2","5","9","10","1") = "9"
    & skf18("4","1","2","5","10","1","1") = "9"
    & skf18("4","1","2","5","10","2","1") = "9"
    & skf18("4","1","2","5","10","3","1") = "9"
    & skf18("4","1","2","5","10","4","1") = "9"
    & skf18("4","1","2","5","10","5","1") = "9"
    & skf18("4","1","2","5","10","6","1") = "9"
    & skf18("4","1","2","5","10","7","1") = "9"
    & skf18("4","1","2","5","10","8","1") = "9"
    & skf18("4","1","2","5","10","9","1") = "9"
    & skf18("4","1","2","5","10","10","1") = "9"
    & skf18("4","1","2","6","1","1","1") = "5"
    & skf18("4","1","2","6","1","2","1") = "5"
    & skf18("4","1","2","6","1","3","1") = "5"
    & skf18("4","1","2","6","1","4","1") = "5"
    & skf18("4","1","2","6","1","5","1") = "5"
    & skf18("4","1","2","6","1","6","1") = "5"
    & skf18("4","1","2","6","1","7","1") = "6"
    & skf18("4","1","2","6","1","8","1") = "7"
    & skf18("4","1","2","6","1","9","1") = "8"
    & skf18("4","1","2","6","1","10","1") = "9"
    & skf18("4","1","2","6","2","1","1") = "5"
    & skf18("4","1","2","6","2","2","1") = "5"
    & skf18("4","1","2","6","2","3","1") = "5"
    & skf18("4","1","2","6","2","4","1") = "5"
    & skf18("4","1","2","6","2","5","1") = "5"
    & skf18("4","1","2","6","2","6","1") = "5"
    & skf18("4","1","2","6","2","7","1") = "6"
    & skf18("4","1","2","6","2","8","1") = "7"
    & skf18("4","1","2","6","2","9","1") = "8"
    & skf18("4","1","2","6","2","10","1") = "9"
    & skf18("4","1","2","6","3","1","1") = "5"
    & skf18("4","1","2","6","3","2","1") = "5"
    & skf18("4","1","2","6","3","3","1") = "5"
    & skf18("4","1","2","6","3","4","1") = "5"
    & skf18("4","1","2","6","3","5","1") = "5"
    & skf18("4","1","2","6","3","6","1") = "5"
    & skf18("4","1","2","6","3","7","1") = "6"
    & skf18("4","1","2","6","3","8","1") = "7"
    & skf18("4","1","2","6","3","9","1") = "8"
    & skf18("4","1","2","6","3","10","1") = "9"
    & skf18("4","1","2","6","4","1","1") = "5"
    & skf18("4","1","2","6","4","2","1") = "5"
    & skf18("4","1","2","6","4","3","1") = "5"
    & skf18("4","1","2","6","4","4","1") = "5"
    & skf18("4","1","2","6","4","5","1") = "5"
    & skf18("4","1","2","6","4","6","1") = "5"
    & skf18("4","1","2","6","4","7","1") = "6"
    & skf18("4","1","2","6","4","8","1") = "7"
    & skf18("4","1","2","6","4","9","1") = "8"
    & skf18("4","1","2","6","4","10","1") = "9"
    & skf18("4","1","2","6","5","1","1") = "5"
    & skf18("4","1","2","6","5","2","1") = "5"
    & skf18("4","1","2","6","5","3","1") = "5"
    & skf18("4","1","2","6","5","4","1") = "5"
    & skf18("4","1","2","6","5","5","1") = "5"
    & skf18("4","1","2","6","5","6","1") = "5"
    & skf18("4","1","2","6","5","7","1") = "6"
    & skf18("4","1","2","6","5","8","1") = "7"
    & skf18("4","1","2","6","5","9","1") = "8"
    & skf18("4","1","2","6","5","10","1") = "9"
    & skf18("4","1","2","6","6","1","1") = "5"
    & skf18("4","1","2","6","6","2","1") = "5"
    & skf18("4","1","2","6","6","3","1") = "5"
    & skf18("4","1","2","6","6","4","1") = "5"
    & skf18("4","1","2","6","6","5","1") = "5"
    & skf18("4","1","2","6","6","6","1") = "5"
    & skf18("4","1","2","6","6","7","1") = "6"
    & skf18("4","1","2","6","6","8","1") = "7"
    & skf18("4","1","2","6","6","9","1") = "8"
    & skf18("4","1","2","6","6","10","1") = "9"
    & skf18("4","1","2","6","7","1","1") = "6"
    & skf18("4","1","2","6","7","2","1") = "6"
    & skf18("4","1","2","6","7","3","1") = "6"
    & skf18("4","1","2","6","7","4","1") = "6"
    & skf18("4","1","2","6","7","5","1") = "6"
    & skf18("4","1","2","6","7","6","1") = "6"
    & skf18("4","1","2","6","7","7","1") = "6"
    & skf18("4","1","2","6","7","8","1") = "7"
    & skf18("4","1","2","6","7","9","1") = "8"
    & skf18("4","1","2","6","7","10","1") = "9"
    & skf18("4","1","2","6","8","1","1") = "7"
    & skf18("4","1","2","6","8","2","1") = "7"
    & skf18("4","1","2","6","8","3","1") = "7"
    & skf18("4","1","2","6","8","4","1") = "7"
    & skf18("4","1","2","6","8","5","1") = "7"
    & skf18("4","1","2","6","8","6","1") = "7"
    & skf18("4","1","2","6","8","7","1") = "7"
    & skf18("4","1","2","6","8","8","1") = "7"
    & skf18("4","1","2","6","8","9","1") = "8"
    & skf18("4","1","2","6","8","10","1") = "9"
    & skf18("4","1","2","6","9","1","1") = "8"
    & skf18("4","1","2","6","9","2","1") = "8"
    & skf18("4","1","2","6","9","3","1") = "8"
    & skf18("4","1","2","6","9","4","1") = "8"
    & skf18("4","1","2","6","9","5","1") = "8"
    & skf18("4","1","2","6","9","6","1") = "8"
    & skf18("4","1","2","6","9","7","1") = "8"
    & skf18("4","1","2","6","9","8","1") = "8"
    & skf18("4","1","2","6","9","9","1") = "8"
    & skf18("4","1","2","6","9","10","1") = "9"
    & skf18("4","1","2","6","10","1","1") = "9"
    & skf18("4","1","2","6","10","2","1") = "9"
    & skf18("4","1","2","6","10","3","1") = "9"
    & skf18("4","1","2","6","10","4","1") = "9"
    & skf18("4","1","2","6","10","5","1") = "9"
    & skf18("4","1","2","6","10","6","1") = "9"
    & skf18("4","1","2","6","10","7","1") = "9"
    & skf18("4","1","2","6","10","8","1") = "9"
    & skf18("4","1","2","6","10","9","1") = "9"
    & skf18("4","1","2","6","10","10","1") = "9"
    & skf18("4","1","2","7","1","1","1") = "6"
    & skf18("4","1","2","7","1","2","1") = "6"
    & skf18("4","1","2","7","1","3","1") = "6"
    & skf18("4","1","2","7","1","4","1") = "6"
    & skf18("4","1","2","7","1","5","1") = "6"
    & skf18("4","1","2","7","1","6","1") = "6"
    & skf18("4","1","2","7","1","7","1") = "6"
    & skf18("4","1","2","7","1","8","1") = "7"
    & skf18("4","1","2","7","1","9","1") = "8"
    & skf18("4","1","2","7","1","10","1") = "9"
    & skf18("4","1","2","7","2","1","1") = "6"
    & skf18("4","1","2","7","2","2","1") = "6"
    & skf18("4","1","2","7","2","3","1") = "6"
    & skf18("4","1","2","7","2","4","1") = "6"
    & skf18("4","1","2","7","2","5","1") = "6"
    & skf18("4","1","2","7","2","6","1") = "6"
    & skf18("4","1","2","7","2","7","1") = "6"
    & skf18("4","1","2","7","2","8","1") = "7"
    & skf18("4","1","2","7","2","9","1") = "8"
    & skf18("4","1","2","7","2","10","1") = "9"
    & skf18("4","1","2","7","3","1","1") = "6"
    & skf18("4","1","2","7","3","2","1") = "6"
    & skf18("4","1","2","7","3","3","1") = "6"
    & skf18("4","1","2","7","3","4","1") = "6"
    & skf18("4","1","2","7","3","5","1") = "6"
    & skf18("4","1","2","7","3","6","1") = "6"
    & skf18("4","1","2","7","3","7","1") = "6"
    & skf18("4","1","2","7","3","8","1") = "7"
    & skf18("4","1","2","7","3","9","1") = "8"
    & skf18("4","1","2","7","3","10","1") = "9"
    & skf18("4","1","2","7","4","1","1") = "6"
    & skf18("4","1","2","7","4","2","1") = "6"
    & skf18("4","1","2","7","4","3","1") = "6"
    & skf18("4","1","2","7","4","4","1") = "6"
    & skf18("4","1","2","7","4","5","1") = "6"
    & skf18("4","1","2","7","4","6","1") = "6"
    & skf18("4","1","2","7","4","7","1") = "6"
    & skf18("4","1","2","7","4","8","1") = "7"
    & skf18("4","1","2","7","4","9","1") = "8"
    & skf18("4","1","2","7","4","10","1") = "9"
    & skf18("4","1","2","7","5","1","1") = "6"
    & skf18("4","1","2","7","5","2","1") = "6"
    & skf18("4","1","2","7","5","3","1") = "6"
    & skf18("4","1","2","7","5","4","1") = "6"
    & skf18("4","1","2","7","5","5","1") = "6"
    & skf18("4","1","2","7","5","6","1") = "6"
    & skf18("4","1","2","7","5","7","1") = "6"
    & skf18("4","1","2","7","5","8","1") = "7"
    & skf18("4","1","2","7","5","9","1") = "8"
    & skf18("4","1","2","7","5","10","1") = "9"
    & skf18("4","1","2","7","6","1","1") = "6"
    & skf18("4","1","2","7","6","2","1") = "6"
    & skf18("4","1","2","7","6","3","1") = "6"
    & skf18("4","1","2","7","6","4","1") = "6"
    & skf18("4","1","2","7","6","5","1") = "6"
    & skf18("4","1","2","7","6","6","1") = "6"
    & skf18("4","1","2","7","6","7","1") = "6"
    & skf18("4","1","2","7","6","8","1") = "7"
    & skf18("4","1","2","7","6","9","1") = "8"
    & skf18("4","1","2","7","6","10","1") = "9"
    & skf18("4","1","2","7","7","1","1") = "6"
    & skf18("4","1","2","7","7","2","1") = "6"
    & skf18("4","1","2","7","7","3","1") = "6"
    & skf18("4","1","2","7","7","4","1") = "6"
    & skf18("4","1","2","7","7","5","1") = "6"
    & skf18("4","1","2","7","7","6","1") = "6"
    & skf18("4","1","2","7","7","7","1") = "6"
    & skf18("4","1","2","7","7","8","1") = "7"
    & skf18("4","1","2","7","7","9","1") = "8"
    & skf18("4","1","2","7","7","10","1") = "9"
    & skf18("4","1","2","7","8","1","1") = "7"
    & skf18("4","1","2","7","8","2","1") = "7"
    & skf18("4","1","2","7","8","3","1") = "7"
    & skf18("4","1","2","7","8","4","1") = "7"
    & skf18("4","1","2","7","8","5","1") = "7"
    & skf18("4","1","2","7","8","6","1") = "7"
    & skf18("4","1","2","7","8","7","1") = "7"
    & skf18("4","1","2","7","8","8","1") = "7"
    & skf18("4","1","2","7","8","9","1") = "8"
    & skf18("4","1","2","7","8","10","1") = "9"
    & skf18("4","1","2","7","9","1","1") = "8"
    & skf18("4","1","2","7","9","2","1") = "8"
    & skf18("4","1","2","7","9","3","1") = "8"
    & skf18("4","1","2","7","9","4","1") = "8"
    & skf18("4","1","2","7","9","5","1") = "8"
    & skf18("4","1","2","7","9","6","1") = "8"
    & skf18("4","1","2","7","9","7","1") = "8"
    & skf18("4","1","2","7","9","8","1") = "8"
    & skf18("4","1","2","7","9","9","1") = "8"
    & skf18("4","1","2","7","9","10","1") = "9"
    & skf18("4","1","2","7","10","1","1") = "9"
    & skf18("4","1","2","7","10","2","1") = "9"
    & skf18("4","1","2","7","10","3","1") = "9"
    & skf18("4","1","2","7","10","4","1") = "9"
    & skf18("4","1","2","7","10","5","1") = "9"
    & skf18("4","1","2","7","10","6","1") = "9"
    & skf18("4","1","2","7","10","7","1") = "9"
    & skf18("4","1","2","7","10","8","1") = "9"
    & skf18("4","1","2","7","10","9","1") = "9"
    & skf18("4","1","2","7","10","10","1") = "9"
    & skf18("4","1","2","8","1","1","1") = "7"
    & skf18("4","1","2","8","1","2","1") = "7"
    & skf18("4","1","2","8","1","3","1") = "7"
    & skf18("4","1","2","8","1","4","1") = "7"
    & skf18("4","1","2","8","1","5","1") = "7"
    & skf18("4","1","2","8","1","6","1") = "7"
    & skf18("4","1","2","8","1","7","1") = "7"
    & skf18("4","1","2","8","1","8","1") = "7"
    & skf18("4","1","2","8","1","9","1") = "8"
    & skf18("4","1","2","8","1","10","1") = "9"
    & skf18("4","1","2","8","2","1","1") = "7"
    & skf18("4","1","2","8","2","2","1") = "7"
    & skf18("4","1","2","8","2","3","1") = "7"
    & skf18("4","1","2","8","2","4","1") = "7"
    & skf18("4","1","2","8","2","5","1") = "7"
    & skf18("4","1","2","8","2","6","1") = "7"
    & skf18("4","1","2","8","2","7","1") = "7"
    & skf18("4","1","2","8","2","8","1") = "7"
    & skf18("4","1","2","8","2","9","1") = "8"
    & skf18("4","1","2","8","2","10","1") = "9"
    & skf18("4","1","2","8","3","1","1") = "7"
    & skf18("4","1","2","8","3","2","1") = "7"
    & skf18("4","1","2","8","3","3","1") = "7"
    & skf18("4","1","2","8","3","4","1") = "7"
    & skf18("4","1","2","8","3","5","1") = "7"
    & skf18("4","1","2","8","3","6","1") = "7"
    & skf18("4","1","2","8","3","7","1") = "7"
    & skf18("4","1","2","8","3","8","1") = "7"
    & skf18("4","1","2","8","3","9","1") = "8"
    & skf18("4","1","2","8","3","10","1") = "9"
    & skf18("4","1","2","8","4","1","1") = "7"
    & skf18("4","1","2","8","4","2","1") = "7"
    & skf18("4","1","2","8","4","3","1") = "7"
    & skf18("4","1","2","8","4","4","1") = "7"
    & skf18("4","1","2","8","4","5","1") = "7"
    & skf18("4","1","2","8","4","6","1") = "7"
    & skf18("4","1","2","8","4","7","1") = "7"
    & skf18("4","1","2","8","4","8","1") = "7"
    & skf18("4","1","2","8","4","9","1") = "8"
    & skf18("4","1","2","8","4","10","1") = "9"
    & skf18("4","1","2","8","5","1","1") = "7"
    & skf18("4","1","2","8","5","2","1") = "7"
    & skf18("4","1","2","8","5","3","1") = "7"
    & skf18("4","1","2","8","5","4","1") = "7"
    & skf18("4","1","2","8","5","5","1") = "7"
    & skf18("4","1","2","8","5","6","1") = "7"
    & skf18("4","1","2","8","5","7","1") = "7"
    & skf18("4","1","2","8","5","8","1") = "7"
    & skf18("4","1","2","8","5","9","1") = "8"
    & skf18("4","1","2","8","5","10","1") = "9"
    & skf18("4","1","2","8","6","1","1") = "7"
    & skf18("4","1","2","8","6","2","1") = "7"
    & skf18("4","1","2","8","6","3","1") = "7"
    & skf18("4","1","2","8","6","4","1") = "7"
    & skf18("4","1","2","8","6","5","1") = "7"
    & skf18("4","1","2","8","6","6","1") = "7"
    & skf18("4","1","2","8","6","7","1") = "7"
    & skf18("4","1","2","8","6","8","1") = "7"
    & skf18("4","1","2","8","6","9","1") = "8"
    & skf18("4","1","2","8","6","10","1") = "9"
    & skf18("4","1","2","8","7","1","1") = "7"
    & skf18("4","1","2","8","7","2","1") = "7"
    & skf18("4","1","2","8","7","3","1") = "7"
    & skf18("4","1","2","8","7","4","1") = "7"
    & skf18("4","1","2","8","7","5","1") = "7"
    & skf18("4","1","2","8","7","6","1") = "7"
    & skf18("4","1","2","8","7","7","1") = "7"
    & skf18("4","1","2","8","7","8","1") = "7"
    & skf18("4","1","2","8","7","9","1") = "8"
    & skf18("4","1","2","8","7","10","1") = "9"
    & skf18("4","1","2","8","8","1","1") = "7"
    & skf18("4","1","2","8","8","2","1") = "7"
    & skf18("4","1","2","8","8","3","1") = "7"
    & skf18("4","1","2","8","8","4","1") = "7"
    & skf18("4","1","2","8","8","5","1") = "7"
    & skf18("4","1","2","8","8","6","1") = "7"
    & skf18("4","1","2","8","8","7","1") = "7"
    & skf18("4","1","2","8","8","8","1") = "7"
    & skf18("4","1","2","8","8","9","1") = "8"
    & skf18("4","1","2","8","8","10","1") = "9"
    & skf18("4","1","2","8","9","1","1") = "8"
    & skf18("4","1","2","8","9","2","1") = "8"
    & skf18("4","1","2","8","9","3","1") = "8"
    & skf18("4","1","2","8","9","4","1") = "8"
    & skf18("4","1","2","8","9","5","1") = "8"
    & skf18("4","1","2","8","9","6","1") = "8"
    & skf18("4","1","2","8","9","7","1") = "8"
    & skf18("4","1","2","8","9","8","1") = "8"
    & skf18("4","1","2","8","9","9","1") = "8"
    & skf18("4","1","2","8","9","10","1") = "9"
    & skf18("4","1","2","8","10","1","1") = "9"
    & skf18("4","1","2","8","10","2","1") = "9"
    & skf18("4","1","2","8","10","3","1") = "9"
    & skf18("4","1","2","8","10","4","1") = "9"
    & skf18("4","1","2","8","10","5","1") = "9"
    & skf18("4","1","2","8","10","6","1") = "9"
    & skf18("4","1","2","8","10","7","1") = "9"
    & skf18("4","1","2","8","10","8","1") = "9"
    & skf18("4","1","2","8","10","9","1") = "9"
    & skf18("4","1","2","8","10","10","1") = "9"
    & skf18("4","1","2","9","1","1","1") = "8"
    & skf18("4","1","2","9","1","2","1") = "8"
    & skf18("4","1","2","9","1","3","1") = "8"
    & skf18("4","1","2","9","1","4","1") = "8"
    & skf18("4","1","2","9","1","5","1") = "8"
    & skf18("4","1","2","9","1","6","1") = "8"
    & skf18("4","1","2","9","1","7","1") = "8"
    & skf18("4","1","2","9","1","8","1") = "8"
    & skf18("4","1","2","9","1","9","1") = "8"
    & skf18("4","1","2","9","1","10","1") = "9"
    & skf18("4","1","2","9","2","1","1") = "8"
    & skf18("4","1","2","9","2","2","1") = "8"
    & skf18("4","1","2","9","2","3","1") = "8"
    & skf18("4","1","2","9","2","4","1") = "8"
    & skf18("4","1","2","9","2","5","1") = "8"
    & skf18("4","1","2","9","2","6","1") = "8"
    & skf18("4","1","2","9","2","7","1") = "8"
    & skf18("4","1","2","9","2","8","1") = "8"
    & skf18("4","1","2","9","2","9","1") = "8"
    & skf18("4","1","2","9","2","10","1") = "9"
    & skf18("4","1","2","9","3","1","1") = "8"
    & skf18("4","1","2","9","3","2","1") = "8"
    & skf18("4","1","2","9","3","3","1") = "8"
    & skf18("4","1","2","9","3","4","1") = "8"
    & skf18("4","1","2","9","3","5","1") = "8"
    & skf18("4","1","2","9","3","6","1") = "8"
    & skf18("4","1","2","9","3","7","1") = "8"
    & skf18("4","1","2","9","3","8","1") = "8"
    & skf18("4","1","2","9","3","9","1") = "8"
    & skf18("4","1","2","9","3","10","1") = "9"
    & skf18("4","1","2","9","4","1","1") = "8"
    & skf18("4","1","2","9","4","2","1") = "8"
    & skf18("4","1","2","9","4","3","1") = "8"
    & skf18("4","1","2","9","4","4","1") = "8"
    & skf18("4","1","2","9","4","5","1") = "8"
    & skf18("4","1","2","9","4","6","1") = "8"
    & skf18("4","1","2","9","4","7","1") = "8"
    & skf18("4","1","2","9","4","8","1") = "8"
    & skf18("4","1","2","9","4","9","1") = "8"
    & skf18("4","1","2","9","4","10","1") = "9"
    & skf18("4","1","2","9","5","1","1") = "8"
    & skf18("4","1","2","9","5","2","1") = "8"
    & skf18("4","1","2","9","5","3","1") = "8"
    & skf18("4","1","2","9","5","4","1") = "8"
    & skf18("4","1","2","9","5","5","1") = "8"
    & skf18("4","1","2","9","5","6","1") = "8"
    & skf18("4","1","2","9","5","7","1") = "8"
    & skf18("4","1","2","9","5","8","1") = "8"
    & skf18("4","1","2","9","5","9","1") = "8"
    & skf18("4","1","2","9","5","10","1") = "9"
    & skf18("4","1","2","9","6","1","1") = "8"
    & skf18("4","1","2","9","6","2","1") = "8"
    & skf18("4","1","2","9","6","3","1") = "8"
    & skf18("4","1","2","9","6","4","1") = "8"
    & skf18("4","1","2","9","6","5","1") = "8"
    & skf18("4","1","2","9","6","6","1") = "8"
    & skf18("4","1","2","9","6","7","1") = "8"
    & skf18("4","1","2","9","6","8","1") = "8"
    & skf18("4","1","2","9","6","9","1") = "8"
    & skf18("4","1","2","9","6","10","1") = "9"
    & skf18("4","1","2","9","7","1","1") = "8"
    & skf18("4","1","2","9","7","2","1") = "8"
    & skf18("4","1","2","9","7","3","1") = "8"
    & skf18("4","1","2","9","7","4","1") = "8"
    & skf18("4","1","2","9","7","5","1") = "8"
    & skf18("4","1","2","9","7","6","1") = "8"
    & skf18("4","1","2","9","7","7","1") = "8"
    & skf18("4","1","2","9","7","8","1") = "8"
    & skf18("4","1","2","9","7","9","1") = "8"
    & skf18("4","1","2","9","7","10","1") = "9"
    & skf18("4","1","2","9","8","1","1") = "8"
    & skf18("4","1","2","9","8","2","1") = "8"
    & skf18("4","1","2","9","8","3","1") = "8"
    & skf18("4","1","2","9","8","4","1") = "8"
    & skf18("4","1","2","9","8","5","1") = "8"
    & skf18("4","1","2","9","8","6","1") = "8"
    & skf18("4","1","2","9","8","7","1") = "8"
    & skf18("4","1","2","9","8","8","1") = "8"
    & skf18("4","1","2","9","8","9","1") = "8"
    & skf18("4","1","2","9","8","10","1") = "9"
    & skf18("4","1","2","9","9","1","1") = "8"
    & skf18("4","1","2","9","9","2","1") = "8"
    & skf18("4","1","2","9","9","3","1") = "8"
    & skf18("4","1","2","9","9","4","1") = "8"
    & skf18("4","1","2","9","9","5","1") = "8"
    & skf18("4","1","2","9","9","6","1") = "8"
    & skf18("4","1","2","9","9","7","1") = "8"
    & skf18("4","1","2","9","9","8","1") = "8"
    & skf18("4","1","2","9","9","9","1") = "8"
    & skf18("4","1","2","9","9","10","1") = "9"
    & skf18("4","1","2","9","10","1","1") = "9"
    & skf18("4","1","2","9","10","2","1") = "9"
    & skf18("4","1","2","9","10","3","1") = "9"
    & skf18("4","1","2","9","10","4","1") = "9"
    & skf18("4","1","2","9","10","5","1") = "9"
    & skf18("4","1","2","9","10","6","1") = "9"
    & skf18("4","1","2","9","10","7","1") = "9"
    & skf18("4","1","2","9","10","8","1") = "9"
    & skf18("4","1","2","9","10","9","1") = "9"
    & skf18("4","1","2","9","10","10","1") = "9"
    & skf18("4","1","2","10","1","1","1") = "9"
    & skf18("4","1","2","10","1","2","1") = "9"
    & skf18("4","1","2","10","1","3","1") = "9"
    & skf18("4","1","2","10","1","4","1") = "9"
    & skf18("4","1","2","10","1","5","1") = "9"
    & skf18("4","1","2","10","1","6","1") = "9"
    & skf18("4","1","2","10","1","7","1") = "9"
    & skf18("4","1","2","10","1","8","1") = "9"
    & skf18("4","1","2","10","1","9","1") = "9"
    & skf18("4","1","2","10","1","10","1") = "9"
    & skf18("4","1","2","10","2","1","1") = "9"
    & skf18("4","1","2","10","2","2","1") = "9"
    & skf18("4","1","2","10","2","3","1") = "9"
    & skf18("4","1","2","10","2","4","1") = "9"
    & skf18("4","1","2","10","2","5","1") = "9"
    & skf18("4","1","2","10","2","6","1") = "9"
    & skf18("4","1","2","10","2","7","1") = "9"
    & skf18("4","1","2","10","2","8","1") = "9"
    & skf18("4","1","2","10","2","9","1") = "9"
    & skf18("4","1","2","10","2","10","1") = "9"
    & skf18("4","1","2","10","3","1","1") = "9"
    & skf18("4","1","2","10","3","2","1") = "9"
    & skf18("4","1","2","10","3","3","1") = "9"
    & skf18("4","1","2","10","3","4","1") = "9"
    & skf18("4","1","2","10","3","5","1") = "9"
    & skf18("4","1","2","10","3","6","1") = "9"
    & skf18("4","1","2","10","3","7","1") = "9"
    & skf18("4","1","2","10","3","8","1") = "9"
    & skf18("4","1","2","10","3","9","1") = "9"
    & skf18("4","1","2","10","3","10","1") = "9"
    & skf18("4","1","2","10","4","1","1") = "9"
    & skf18("4","1","2","10","4","2","1") = "9"
    & skf18("4","1","2","10","4","3","1") = "9"
    & skf18("4","1","2","10","4","4","1") = "9"
    & skf18("4","1","2","10","4","5","1") = "9"
    & skf18("4","1","2","10","4","6","1") = "9"
    & skf18("4","1","2","10","4","7","1") = "9"
    & skf18("4","1","2","10","4","8","1") = "9"
    & skf18("4","1","2","10","4","9","1") = "9"
    & skf18("4","1","2","10","4","10","1") = "9"
    & skf18("4","1","2","10","5","1","1") = "9"
    & skf18("4","1","2","10","5","2","1") = "9"
    & skf18("4","1","2","10","5","3","1") = "9"
    & skf18("4","1","2","10","5","4","1") = "9"
    & skf18("4","1","2","10","5","5","1") = "9"
    & skf18("4","1","2","10","5","6","1") = "9"
    & skf18("4","1","2","10","5","7","1") = "9"
    & skf18("4","1","2","10","5","8","1") = "9"
    & skf18("4","1","2","10","5","9","1") = "9"
    & skf18("4","1","2","10","5","10","1") = "9"
    & skf18("4","1","2","10","6","1","1") = "9"
    & skf18("4","1","2","10","6","2","1") = "9"
    & skf18("4","1","2","10","6","3","1") = "9"
    & skf18("4","1","2","10","6","4","1") = "9"
    & skf18("4","1","2","10","6","5","1") = "9"
    & skf18("4","1","2","10","6","6","1") = "9"
    & skf18("4","1","2","10","6","7","1") = "9"
    & skf18("4","1","2","10","6","8","1") = "9"
    & skf18("4","1","2","10","6","9","1") = "9"
    & skf18("4","1","2","10","6","10","1") = "9"
    & skf18("4","1","2","10","7","1","1") = "9"
    & skf18("4","1","2","10","7","2","1") = "9"
    & skf18("4","1","2","10","7","3","1") = "9"
    & skf18("4","1","2","10","7","4","1") = "9"
    & skf18("4","1","2","10","7","5","1") = "9"
    & skf18("4","1","2","10","7","6","1") = "9"
    & skf18("4","1","2","10","7","7","1") = "9"
    & skf18("4","1","2","10","7","8","1") = "9"
    & skf18("4","1","2","10","7","9","1") = "9"
    & skf18("4","1","2","10","7","10","1") = "9"
    & skf18("4","1","2","10","8","1","1") = "9"
    & skf18("4","1","2","10","8","2","1") = "9"
    & skf18("4","1","2","10","8","3","1") = "9"
    & skf18("4","1","2","10","8","4","1") = "9"
    & skf18("4","1","2","10","8","5","1") = "9"
    & skf18("4","1","2","10","8","6","1") = "9"
    & skf18("4","1","2","10","8","7","1") = "9"
    & skf18("4","1","2","10","8","8","1") = "9"
    & skf18("4","1","2","10","8","9","1") = "9"
    & skf18("4","1","2","10","8","10","1") = "9"
    & skf18("4","1","2","10","9","1","1") = "9"
    & skf18("4","1","2","10","9","2","1") = "9"
    & skf18("4","1","2","10","9","3","1") = "9"
    & skf18("4","1","2","10","9","4","1") = "9"
    & skf18("4","1","2","10","9","5","1") = "9"
    & skf18("4","1","2","10","9","6","1") = "9"
    & skf18("4","1","2","10","9","7","1") = "9"
    & skf18("4","1","2","10","9","8","1") = "9"
    & skf18("4","1","2","10","9","9","1") = "9"
    & skf18("4","1","2","10","9","10","1") = "9"
    & skf18("4","1","2","10","10","1","1") = "9"
    & skf18("4","1","2","10","10","2","1") = "9"
    & skf18("4","1","2","10","10","3","1") = "9"
    & skf18("4","1","2","10","10","4","1") = "9"
    & skf18("4","1","2","10","10","5","1") = "9"
    & skf18("4","1","2","10","10","6","1") = "9"
    & skf18("4","1","2","10","10","7","1") = "9"
    & skf18("4","1","2","10","10","8","1") = "9"
    & skf18("4","1","2","10","10","9","1") = "9"
    & skf18("4","1","2","10","10","10","1") = "9"
    & skf18("4","1","3","1","1","1","1") = "3"
    & skf18("4","1","3","1","1","2","1") = "3"
    & skf18("4","1","3","1","1","3","1") = "3"
    & skf18("4","1","3","1","1","4","1") = "3"
    & skf18("4","1","3","1","1","5","1") = "4"
    & skf18("4","1","3","1","1","6","1") = "5"
    & skf18("4","1","3","1","1","7","1") = "6"
    & skf18("4","1","3","1","1","8","1") = "7"
    & skf18("4","1","3","1","1","9","1") = "8"
    & skf18("4","1","3","1","1","10","1") = "9"
    & skf18("4","1","3","1","2","1","1") = "3"
    & skf18("4","1","3","1","2","2","1") = "3"
    & skf18("4","1","3","1","2","3","1") = "3"
    & skf18("4","1","3","1","2","4","1") = "3"
    & skf18("4","1","3","1","2","5","1") = "4"
    & skf18("4","1","3","1","2","6","1") = "5"
    & skf18("4","1","3","1","2","7","1") = "6"
    & skf18("4","1","3","1","2","8","1") = "7"
    & skf18("4","1","3","1","2","9","1") = "8"
    & skf18("4","1","3","1","2","10","1") = "9"
    & skf18("4","1","3","1","3","1","1") = "3"
    & skf18("4","1","3","1","3","2","1") = "3"
    & skf18("4","1","3","1","3","3","1") = "3"
    & skf18("4","1","3","1","3","4","1") = "3"
    & skf18("4","1","3","1","3","5","1") = "4"
    & skf18("4","1","3","1","3","6","1") = "5"
    & skf18("4","1","3","1","3","7","1") = "6"
    & skf18("4","1","3","1","3","8","1") = "7"
    & skf18("4","1","3","1","3","9","1") = "8"
    & skf18("4","1","3","1","3","10","1") = "9"
    & skf18("4","1","3","1","4","1","1") = "3"
    & skf18("4","1","3","1","4","2","1") = "3"
    & skf18("4","1","3","1","4","3","1") = "3"
    & skf18("4","1","3","1","4","4","1") = "3"
    & skf18("4","1","3","1","4","5","1") = "4"
    & skf18("4","1","3","1","4","6","1") = "5"
    & skf18("4","1","3","1","4","7","1") = "6"
    & skf18("4","1","3","1","4","8","1") = "7"
    & skf18("4","1","3","1","4","9","1") = "8"
    & skf18("4","1","3","1","4","10","1") = "9"
    & skf18("4","1","3","1","5","1","1") = "4"
    & skf18("4","1","3","1","5","2","1") = "4"
    & skf18("4","1","3","1","5","3","1") = "4"
    & skf18("4","1","3","1","5","4","1") = "4"
    & skf18("4","1","3","1","5","5","1") = "4"
    & skf18("4","1","3","1","5","6","1") = "5"
    & skf18("4","1","3","1","5","7","1") = "6"
    & skf18("4","1","3","1","5","8","1") = "7"
    & skf18("4","1","3","1","5","9","1") = "8"
    & skf18("4","1","3","1","5","10","1") = "9"
    & skf18("4","1","3","1","6","1","1") = "5"
    & skf18("4","1","3","1","6","2","1") = "5"
    & skf18("4","1","3","1","6","3","1") = "5"
    & skf18("4","1","3","1","6","4","1") = "5"
    & skf18("4","1","3","1","6","5","1") = "5"
    & skf18("4","1","3","1","6","6","1") = "5"
    & skf18("4","1","3","1","6","7","1") = "6"
    & skf18("4","1","3","1","6","8","1") = "7"
    & skf18("4","1","3","1","6","9","1") = "8"
    & skf18("4","1","3","1","6","10","1") = "9"
    & skf18("4","1","3","1","7","1","1") = "6"
    & skf18("4","1","3","1","7","2","1") = "6"
    & skf18("4","1","3","1","7","3","1") = "6"
    & skf18("4","1","3","1","7","4","1") = "6"
    & skf18("4","1","3","1","7","5","1") = "6"
    & skf18("4","1","3","1","7","6","1") = "6"
    & skf18("4","1","3","1","7","7","1") = "6"
    & skf18("4","1","3","1","7","8","1") = "7"
    & skf18("4","1","3","1","7","9","1") = "8"
    & skf18("4","1","3","1","7","10","1") = "9"
    & skf18("4","1","3","1","8","1","1") = "7"
    & skf18("4","1","3","1","8","2","1") = "7"
    & skf18("4","1","3","1","8","3","1") = "7"
    & skf18("4","1","3","1","8","4","1") = "7"
    & skf18("4","1","3","1","8","5","1") = "7"
    & skf18("4","1","3","1","8","6","1") = "7"
    & skf18("4","1","3","1","8","7","1") = "7"
    & skf18("4","1","3","1","8","8","1") = "7"
    & skf18("4","1","3","1","8","9","1") = "8"
    & skf18("4","1","3","1","8","10","1") = "9"
    & skf18("4","1","3","1","9","1","1") = "8"
    & skf18("4","1","3","1","9","2","1") = "8"
    & skf18("4","1","3","1","9","3","1") = "8"
    & skf18("4","1","3","1","9","4","1") = "8"
    & skf18("4","1","3","1","9","5","1") = "8"
    & skf18("4","1","3","1","9","6","1") = "8"
    & skf18("4","1","3","1","9","7","1") = "8"
    & skf18("4","1","3","1","9","8","1") = "8"
    & skf18("4","1","3","1","9","9","1") = "8"
    & skf18("4","1","3","1","9","10","1") = "9"
    & skf18("4","1","3","1","10","1","1") = "9"
    & skf18("4","1","3","1","10","2","1") = "9"
    & skf18("4","1","3","1","10","3","1") = "9"
    & skf18("4","1","3","1","10","4","1") = "9"
    & skf18("4","1","3","1","10","5","1") = "9"
    & skf18("4","1","3","1","10","6","1") = "9"
    & skf18("4","1","3","1","10","7","1") = "9"
    & skf18("4","1","3","1","10","8","1") = "9"
    & skf18("4","1","3","1","10","9","1") = "9"
    & skf18("4","1","3","1","10","10","1") = "9"
    & skf18("4","1","3","2","1","1","1") = "3"
    & skf18("4","1","3","2","1","2","1") = "3"
    & skf18("4","1","3","2","1","3","1") = "3"
    & skf18("4","1","3","2","1","4","1") = "3"
    & skf18("4","1","3","2","1","5","1") = "4"
    & skf18("4","1","3","2","1","6","1") = "5"
    & skf18("4","1","3","2","1","7","1") = "6"
    & skf18("4","1","3","2","1","8","1") = "7"
    & skf18("4","1","3","2","1","9","1") = "8"
    & skf18("4","1","3","2","1","10","1") = "9"
    & skf18("4","1","3","2","2","1","1") = "3"
    & skf18("4","1","3","2","2","2","1") = "3"
    & skf18("4","1","3","2","2","3","1") = "3"
    & skf18("4","1","3","2","2","4","1") = "3"
    & skf18("4","1","3","2","2","5","1") = "4"
    & skf18("4","1","3","2","2","6","1") = "5"
    & skf18("4","1","3","2","2","7","1") = "6"
    & skf18("4","1","3","2","2","8","1") = "7"
    & skf18("4","1","3","2","2","9","1") = "8"
    & skf18("4","1","3","2","2","10","1") = "9"
    & skf18("4","1","3","2","3","1","1") = "3"
    & skf18("4","1","3","2","3","2","1") = "3"
    & skf18("4","1","3","2","3","3","1") = "3"
    & skf18("4","1","3","2","3","4","1") = "3"
    & skf18("4","1","3","2","3","5","1") = "4"
    & skf18("4","1","3","2","3","6","1") = "5"
    & skf18("4","1","3","2","3","7","1") = "6"
    & skf18("4","1","3","2","3","8","1") = "7"
    & skf18("4","1","3","2","3","9","1") = "8"
    & skf18("4","1","3","2","3","10","1") = "9"
    & skf18("4","1","3","2","4","1","1") = "3"
    & skf18("4","1","3","2","4","2","1") = "3"
    & skf18("4","1","3","2","4","3","1") = "3"
    & skf18("4","1","3","2","4","4","1") = "3"
    & skf18("4","1","3","2","4","5","1") = "4"
    & skf18("4","1","3","2","4","6","1") = "5"
    & skf18("4","1","3","2","4","7","1") = "6"
    & skf18("4","1","3","2","4","8","1") = "7"
    & skf18("4","1","3","2","4","9","1") = "8"
    & skf18("4","1","3","2","4","10","1") = "9"
    & skf18("4","1","3","2","5","1","1") = "4"
    & skf18("4","1","3","2","5","2","1") = "4"
    & skf18("4","1","3","2","5","3","1") = "4"
    & skf18("4","1","3","2","5","4","1") = "4"
    & skf18("4","1","3","2","5","5","1") = "4"
    & skf18("4","1","3","2","5","6","1") = "5"
    & skf18("4","1","3","2","5","7","1") = "6"
    & skf18("4","1","3","2","5","8","1") = "7"
    & skf18("4","1","3","2","5","9","1") = "8"
    & skf18("4","1","3","2","5","10","1") = "9"
    & skf18("4","1","3","2","6","1","1") = "5"
    & skf18("4","1","3","2","6","2","1") = "5"
    & skf18("4","1","3","2","6","3","1") = "5"
    & skf18("4","1","3","2","6","4","1") = "5"
    & skf18("4","1","3","2","6","5","1") = "5"
    & skf18("4","1","3","2","6","6","1") = "5"
    & skf18("4","1","3","2","6","7","1") = "6"
    & skf18("4","1","3","2","6","8","1") = "7"
    & skf18("4","1","3","2","6","9","1") = "8"
    & skf18("4","1","3","2","6","10","1") = "9"
    & skf18("4","1","3","2","7","1","1") = "6"
    & skf18("4","1","3","2","7","2","1") = "6"
    & skf18("4","1","3","2","7","3","1") = "6"
    & skf18("4","1","3","2","7","4","1") = "6"
    & skf18("4","1","3","2","7","5","1") = "6"
    & skf18("4","1","3","2","7","6","1") = "6"
    & skf18("4","1","3","2","7","7","1") = "6"
    & skf18("4","1","3","2","7","8","1") = "7"
    & skf18("4","1","3","2","7","9","1") = "8"
    & skf18("4","1","3","2","7","10","1") = "9"
    & skf18("4","1","3","2","8","1","1") = "7"
    & skf18("4","1","3","2","8","2","1") = "7"
    & skf18("4","1","3","2","8","3","1") = "7"
    & skf18("4","1","3","2","8","4","1") = "7"
    & skf18("4","1","3","2","8","5","1") = "7"
    & skf18("4","1","3","2","8","6","1") = "7"
    & skf18("4","1","3","2","8","7","1") = "7"
    & skf18("4","1","3","2","8","8","1") = "7"
    & skf18("4","1","3","2","8","9","1") = "8"
    & skf18("4","1","3","2","8","10","1") = "9"
    & skf18("4","1","3","2","9","1","1") = "8"
    & skf18("4","1","3","2","9","2","1") = "8"
    & skf18("4","1","3","2","9","3","1") = "8"
    & skf18("4","1","3","2","9","4","1") = "8"
    & skf18("4","1","3","2","9","5","1") = "8"
    & skf18("4","1","3","2","9","6","1") = "8"
    & skf18("4","1","3","2","9","7","1") = "8"
    & skf18("4","1","3","2","9","8","1") = "8"
    & skf18("4","1","3","2","9","9","1") = "8"
    & skf18("4","1","3","2","9","10","1") = "9"
    & skf18("4","1","3","2","10","1","1") = "9"
    & skf18("4","1","3","2","10","2","1") = "9"
    & skf18("4","1","3","2","10","3","1") = "9"
    & skf18("4","1","3","2","10","4","1") = "9"
    & skf18("4","1","3","2","10","5","1") = "9"
    & skf18("4","1","3","2","10","6","1") = "9"
    & skf18("4","1","3","2","10","7","1") = "9"
    & skf18("4","1","3","2","10","8","1") = "9"
    & skf18("4","1","3","2","10","9","1") = "9"
    & skf18("4","1","3","2","10","10","1") = "9"
    & skf18("4","1","3","3","1","1","1") = "3"
    & skf18("4","1","3","3","1","2","1") = "3"
    & skf18("4","1","3","3","1","3","1") = "3"
    & skf18("4","1","3","3","1","4","1") = "3"
    & skf18("4","1","3","3","1","5","1") = "4"
    & skf18("4","1","3","3","1","6","1") = "5"
    & skf18("4","1","3","3","1","7","1") = "6"
    & skf18("4","1","3","3","1","8","1") = "7"
    & skf18("4","1","3","3","1","9","1") = "8"
    & skf18("4","1","3","3","1","10","1") = "9"
    & skf18("4","1","3","3","2","1","1") = "3"
    & skf18("4","1","3","3","2","2","1") = "3"
    & skf18("4","1","3","3","2","3","1") = "3"
    & skf18("4","1","3","3","2","4","1") = "3"
    & skf18("4","1","3","3","2","5","1") = "4"
    & skf18("4","1","3","3","2","6","1") = "5"
    & skf18("4","1","3","3","2","7","1") = "6"
    & skf18("4","1","3","3","2","8","1") = "7"
    & skf18("4","1","3","3","2","9","1") = "8"
    & skf18("4","1","3","3","2","10","1") = "9"
    & skf18("4","1","3","3","3","1","1") = "3"
    & skf18("4","1","3","3","3","2","1") = "3"
    & skf18("4","1","3","3","3","3","1") = "3"
    & skf18("4","1","3","3","3","4","1") = "3"
    & skf18("4","1","3","3","3","5","1") = "4"
    & skf18("4","1","3","3","3","6","1") = "5"
    & skf18("4","1","3","3","3","7","1") = "6"
    & skf18("4","1","3","3","3","8","1") = "7"
    & skf18("4","1","3","3","3","9","1") = "8"
    & skf18("4","1","3","3","3","10","1") = "9"
    & skf18("4","1","3","3","4","1","1") = "3"
    & skf18("4","1","3","3","4","2","1") = "3"
    & skf18("4","1","3","3","4","3","1") = "3"
    & skf18("4","1","3","3","4","4","1") = "3"
    & skf18("4","1","3","3","4","5","1") = "4"
    & skf18("4","1","3","3","4","6","1") = "5"
    & skf18("4","1","3","3","4","7","1") = "6"
    & skf18("4","1","3","3","4","8","1") = "7"
    & skf18("4","1","3","3","4","9","1") = "8"
    & skf18("4","1","3","3","4","10","1") = "9"
    & skf18("4","1","3","3","5","1","1") = "4"
    & skf18("4","1","3","3","5","2","1") = "4"
    & skf18("4","1","3","3","5","3","1") = "4"
    & skf18("4","1","3","3","5","4","1") = "4"
    & skf18("4","1","3","3","5","5","1") = "4"
    & skf18("4","1","3","3","5","6","1") = "5"
    & skf18("4","1","3","3","5","7","1") = "6"
    & skf18("4","1","3","3","5","8","1") = "7"
    & skf18("4","1","3","3","5","9","1") = "8"
    & skf18("4","1","3","3","5","10","1") = "9"
    & skf18("4","1","3","3","6","1","1") = "5"
    & skf18("4","1","3","3","6","2","1") = "5"
    & skf18("4","1","3","3","6","3","1") = "5"
    & skf18("4","1","3","3","6","4","1") = "5"
    & skf18("4","1","3","3","6","5","1") = "5"
    & skf18("4","1","3","3","6","6","1") = "5"
    & skf18("4","1","3","3","6","7","1") = "6"
    & skf18("4","1","3","3","6","8","1") = "7"
    & skf18("4","1","3","3","6","9","1") = "8"
    & skf18("4","1","3","3","6","10","1") = "9"
    & skf18("4","1","3","3","7","1","1") = "6"
    & skf18("4","1","3","3","7","2","1") = "6"
    & skf18("4","1","3","3","7","3","1") = "6"
    & skf18("4","1","3","3","7","4","1") = "6"
    & skf18("4","1","3","3","7","5","1") = "6"
    & skf18("4","1","3","3","7","6","1") = "6"
    & skf18("4","1","3","3","7","7","1") = "6"
    & skf18("4","1","3","3","7","8","1") = "7"
    & skf18("4","1","3","3","7","9","1") = "8"
    & skf18("4","1","3","3","7","10","1") = "9"
    & skf18("4","1","3","3","8","1","1") = "7"
    & skf18("4","1","3","3","8","2","1") = "7"
    & skf18("4","1","3","3","8","3","1") = "7"
    & skf18("4","1","3","3","8","4","1") = "7"
    & skf18("4","1","3","3","8","5","1") = "7"
    & skf18("4","1","3","3","8","6","1") = "7"
    & skf18("4","1","3","3","8","7","1") = "7"
    & skf18("4","1","3","3","8","8","1") = "7"
    & skf18("4","1","3","3","8","9","1") = "8"
    & skf18("4","1","3","3","8","10","1") = "9"
    & skf18("4","1","3","3","9","1","1") = "8"
    & skf18("4","1","3","3","9","2","1") = "8"
    & skf18("4","1","3","3","9","3","1") = "8"
    & skf18("4","1","3","3","9","4","1") = "8"
    & skf18("4","1","3","3","9","5","1") = "8"
    & skf18("4","1","3","3","9","6","1") = "8"
    & skf18("4","1","3","3","9","7","1") = "8"
    & skf18("4","1","3","3","9","8","1") = "8"
    & skf18("4","1","3","3","9","9","1") = "8"
    & skf18("4","1","3","3","9","10","1") = "9"
    & skf18("4","1","3","3","10","1","1") = "9"
    & skf18("4","1","3","3","10","2","1") = "9"
    & skf18("4","1","3","3","10","3","1") = "9"
    & skf18("4","1","3","3","10","4","1") = "9"
    & skf18("4","1","3","3","10","5","1") = "9"
    & skf18("4","1","3","3","10","6","1") = "9"
    & skf18("4","1","3","3","10","7","1") = "9"
    & skf18("4","1","3","3","10","8","1") = "9"
    & skf18("4","1","3","3","10","9","1") = "9"
    & skf18("4","1","3","3","10","10","1") = "9"
    & skf18("4","1","3","4","1","1","1") = "3"
    & skf18("4","1","3","4","1","2","1") = "3"
    & skf18("4","1","3","4","1","3","1") = "3"
    & skf18("4","1","3","4","1","4","1") = "3"
    & skf18("4","1","3","4","1","5","1") = "4"
    & skf18("4","1","3","4","1","6","1") = "5"
    & skf18("4","1","3","4","1","7","1") = "6"
    & skf18("4","1","3","4","1","8","1") = "7"
    & skf18("4","1","3","4","1","9","1") = "8"
    & skf18("4","1","3","4","1","10","1") = "9"
    & skf18("4","1","3","4","2","1","1") = "3"
    & skf18("4","1","3","4","2","2","1") = "3"
    & skf18("4","1","3","4","2","3","1") = "3"
    & skf18("4","1","3","4","2","4","1") = "3"
    & skf18("4","1","3","4","2","5","1") = "4"
    & skf18("4","1","3","4","2","6","1") = "5"
    & skf18("4","1","3","4","2","7","1") = "6"
    & skf18("4","1","3","4","2","8","1") = "7"
    & skf18("4","1","3","4","2","9","1") = "8"
    & skf18("4","1","3","4","2","10","1") = "9"
    & skf18("4","1","3","4","3","1","1") = "3"
    & skf18("4","1","3","4","3","2","1") = "3"
    & skf18("4","1","3","4","3","3","1") = "3"
    & skf18("4","1","3","4","3","4","1") = "3"
    & skf18("4","1","3","4","3","5","1") = "4"
    & skf18("4","1","3","4","3","6","1") = "5"
    & skf18("4","1","3","4","3","7","1") = "6"
    & skf18("4","1","3","4","3","8","1") = "7"
    & skf18("4","1","3","4","3","9","1") = "8"
    & skf18("4","1","3","4","3","10","1") = "9"
    & skf18("4","1","3","4","4","1","1") = "3"
    & skf18("4","1","3","4","4","2","1") = "3"
    & skf18("4","1","3","4","4","3","1") = "3"
    & skf18("4","1","3","4","4","4","1") = "3"
    & skf18("4","1","3","4","4","5","1") = "4"
    & skf18("4","1","3","4","4","6","1") = "5"
    & skf18("4","1","3","4","4","7","1") = "6"
    & skf18("4","1","3","4","4","8","1") = "7"
    & skf18("4","1","3","4","4","9","1") = "8"
    & skf18("4","1","3","4","4","10","1") = "9"
    & skf18("4","1","3","4","5","1","1") = "4"
    & skf18("4","1","3","4","5","2","1") = "4"
    & skf18("4","1","3","4","5","3","1") = "4"
    & skf18("4","1","3","4","5","4","1") = "4"
    & skf18("4","1","3","4","5","5","1") = "4"
    & skf18("4","1","3","4","5","6","1") = "5"
    & skf18("4","1","3","4","5","7","1") = "6"
    & skf18("4","1","3","4","5","8","1") = "7"
    & skf18("4","1","3","4","5","9","1") = "8"
    & skf18("4","1","3","4","5","10","1") = "9"
    & skf18("4","1","3","4","6","1","1") = "5"
    & skf18("4","1","3","4","6","2","1") = "5"
    & skf18("4","1","3","4","6","3","1") = "5"
    & skf18("4","1","3","4","6","4","1") = "5"
    & skf18("4","1","3","4","6","5","1") = "5"
    & skf18("4","1","3","4","6","6","1") = "5"
    & skf18("4","1","3","4","6","7","1") = "6"
    & skf18("4","1","3","4","6","8","1") = "7"
    & skf18("4","1","3","4","6","9","1") = "8"
    & skf18("4","1","3","4","6","10","1") = "9"
    & skf18("4","1","3","4","7","1","1") = "6"
    & skf18("4","1","3","4","7","2","1") = "6"
    & skf18("4","1","3","4","7","3","1") = "6"
    & skf18("4","1","3","4","7","4","1") = "6"
    & skf18("4","1","3","4","7","5","1") = "6"
    & skf18("4","1","3","4","7","6","1") = "6"
    & skf18("4","1","3","4","7","7","1") = "6"
    & skf18("4","1","3","4","7","8","1") = "7"
    & skf18("4","1","3","4","7","9","1") = "8"
    & skf18("4","1","3","4","7","10","1") = "9"
    & skf18("4","1","3","4","8","1","1") = "7"
    & skf18("4","1","3","4","8","2","1") = "7"
    & skf18("4","1","3","4","8","3","1") = "7"
    & skf18("4","1","3","4","8","4","1") = "7"
    & skf18("4","1","3","4","8","5","1") = "7"
    & skf18("4","1","3","4","8","6","1") = "7"
    & skf18("4","1","3","4","8","7","1") = "7"
    & skf18("4","1","3","4","8","8","1") = "7"
    & skf18("4","1","3","4","8","9","1") = "8"
    & skf18("4","1","3","4","8","10","1") = "9"
    & skf18("4","1","3","4","9","1","1") = "8"
    & skf18("4","1","3","4","9","2","1") = "8"
    & skf18("4","1","3","4","9","3","1") = "8"
    & skf18("4","1","3","4","9","4","1") = "8"
    & skf18("4","1","3","4","9","5","1") = "8"
    & skf18("4","1","3","4","9","6","1") = "8"
    & skf18("4","1","3","4","9","7","1") = "8"
    & skf18("4","1","3","4","9","8","1") = "8"
    & skf18("4","1","3","4","9","9","1") = "8"
    & skf18("4","1","3","4","9","10","1") = "9"
    & skf18("4","1","3","4","10","1","1") = "9"
    & skf18("4","1","3","4","10","2","1") = "9"
    & skf18("4","1","3","4","10","3","1") = "9"
    & skf18("4","1","3","4","10","4","1") = "9"
    & skf18("4","1","3","4","10","5","1") = "9"
    & skf18("4","1","3","4","10","6","1") = "9"
    & skf18("4","1","3","4","10","7","1") = "9"
    & skf18("4","1","3","4","10","8","1") = "9"
    & skf18("4","1","3","4","10","9","1") = "9"
    & skf18("4","1","3","4","10","10","1") = "9"
    & skf18("4","1","3","5","1","1","1") = "4"
    & skf18("4","1","3","5","1","2","1") = "4"
    & skf18("4","1","3","5","1","3","1") = "4"
    & skf18("4","1","3","5","1","4","1") = "4"
    & skf18("4","1","3","5","1","5","1") = "4"
    & skf18("4","1","3","5","1","6","1") = "5"
    & skf18("4","1","3","5","1","7","1") = "6"
    & skf18("4","1","3","5","1","8","1") = "7"
    & skf18("4","1","3","5","1","9","1") = "8"
    & skf18("4","1","3","5","1","10","1") = "9"
    & skf18("4","1","3","5","2","1","1") = "4"
    & skf18("4","1","3","5","2","2","1") = "4"
    & skf18("4","1","3","5","2","3","1") = "4"
    & skf18("4","1","3","5","2","4","1") = "4"
    & skf18("4","1","3","5","2","5","1") = "4"
    & skf18("4","1","3","5","2","6","1") = "5"
    & skf18("4","1","3","5","2","7","1") = "6"
    & skf18("4","1","3","5","2","8","1") = "7"
    & skf18("4","1","3","5","2","9","1") = "8"
    & skf18("4","1","3","5","2","10","1") = "9"
    & skf18("4","1","3","5","3","1","1") = "4"
    & skf18("4","1","3","5","3","2","1") = "4"
    & skf18("4","1","3","5","3","3","1") = "4"
    & skf18("4","1","3","5","3","4","1") = "4"
    & skf18("4","1","3","5","3","5","1") = "4"
    & skf18("4","1","3","5","3","6","1") = "5"
    & skf18("4","1","3","5","3","7","1") = "6"
    & skf18("4","1","3","5","3","8","1") = "7"
    & skf18("4","1","3","5","3","9","1") = "8"
    & skf18("4","1","3","5","3","10","1") = "9"
    & skf18("4","1","3","5","4","1","1") = "4"
    & skf18("4","1","3","5","4","2","1") = "4"
    & skf18("4","1","3","5","4","3","1") = "4"
    & skf18("4","1","3","5","4","4","1") = "4"
    & skf18("4","1","3","5","4","5","1") = "4"
    & skf18("4","1","3","5","4","6","1") = "5"
    & skf18("4","1","3","5","4","7","1") = "6"
    & skf18("4","1","3","5","4","8","1") = "7"
    & skf18("4","1","3","5","4","9","1") = "8"
    & skf18("4","1","3","5","4","10","1") = "9"
    & skf18("4","1","3","5","5","1","1") = "4"
    & skf18("4","1","3","5","5","2","1") = "4"
    & skf18("4","1","3","5","5","3","1") = "4"
    & skf18("4","1","3","5","5","4","1") = "4"
    & skf18("4","1","3","5","5","5","1") = "4"
    & skf18("4","1","3","5","5","6","1") = "5"
    & skf18("4","1","3","5","5","7","1") = "6"
    & skf18("4","1","3","5","5","8","1") = "7"
    & skf18("4","1","3","5","5","9","1") = "8"
    & skf18("4","1","3","5","5","10","1") = "9"
    & skf18("4","1","3","5","6","1","1") = "5"
    & skf18("4","1","3","5","6","2","1") = "5"
    & skf18("4","1","3","5","6","3","1") = "5"
    & skf18("4","1","3","5","6","4","1") = "5"
    & skf18("4","1","3","5","6","5","1") = "5"
    & skf18("4","1","3","5","6","6","1") = "5"
    & skf18("4","1","3","5","6","7","1") = "6"
    & skf18("4","1","3","5","6","8","1") = "7"
    & skf18("4","1","3","5","6","9","1") = "8"
    & skf18("4","1","3","5","6","10","1") = "9"
    & skf18("4","1","3","5","7","1","1") = "6"
    & skf18("4","1","3","5","7","2","1") = "6"
    & skf18("4","1","3","5","7","3","1") = "6"
    & skf18("4","1","3","5","7","4","1") = "6"
    & skf18("4","1","3","5","7","5","1") = "6"
    & skf18("4","1","3","5","7","6","1") = "6"
    & skf18("4","1","3","5","7","7","1") = "6"
    & skf18("4","1","3","5","7","8","1") = "7"
    & skf18("4","1","3","5","7","9","1") = "8"
    & skf18("4","1","3","5","7","10","1") = "9"
    & skf18("4","1","3","5","8","1","1") = "7"
    & skf18("4","1","3","5","8","2","1") = "7"
    & skf18("4","1","3","5","8","3","1") = "7"
    & skf18("4","1","3","5","8","4","1") = "7"
    & skf18("4","1","3","5","8","5","1") = "7"
    & skf18("4","1","3","5","8","6","1") = "7"
    & skf18("4","1","3","5","8","7","1") = "7"
    & skf18("4","1","3","5","8","8","1") = "7"
    & skf18("4","1","3","5","8","9","1") = "8"
    & skf18("4","1","3","5","8","10","1") = "9"
    & skf18("4","1","3","5","9","1","1") = "8"
    & skf18("4","1","3","5","9","2","1") = "8"
    & skf18("4","1","3","5","9","3","1") = "8"
    & skf18("4","1","3","5","9","4","1") = "8"
    & skf18("4","1","3","5","9","5","1") = "8"
    & skf18("4","1","3","5","9","6","1") = "8"
    & skf18("4","1","3","5","9","7","1") = "8"
    & skf18("4","1","3","5","9","8","1") = "8"
    & skf18("4","1","3","5","9","9","1") = "8"
    & skf18("4","1","3","5","9","10","1") = "9"
    & skf18("4","1","3","5","10","1","1") = "9"
    & skf18("4","1","3","5","10","2","1") = "9"
    & skf18("4","1","3","5","10","3","1") = "9"
    & skf18("4","1","3","5","10","4","1") = "9"
    & skf18("4","1","3","5","10","5","1") = "9"
    & skf18("4","1","3","5","10","6","1") = "9"
    & skf18("4","1","3","5","10","7","1") = "9"
    & skf18("4","1","3","5","10","8","1") = "9"
    & skf18("4","1","3","5","10","9","1") = "9"
    & skf18("4","1","3","5","10","10","1") = "9"
    & skf18("4","1","3","6","1","1","1") = "5"
    & skf18("4","1","3","6","1","2","1") = "5"
    & skf18("4","1","3","6","1","3","1") = "5"
    & skf18("4","1","3","6","1","4","1") = "5"
    & skf18("4","1","3","6","1","5","1") = "5"
    & skf18("4","1","3","6","1","6","1") = "5"
    & skf18("4","1","3","6","1","7","1") = "6"
    & skf18("4","1","3","6","1","8","1") = "7"
    & skf18("4","1","3","6","1","9","1") = "8"
    & skf18("4","1","3","6","1","10","1") = "9"
    & skf18("4","1","3","6","2","1","1") = "5"
    & skf18("4","1","3","6","2","2","1") = "5"
    & skf18("4","1","3","6","2","3","1") = "5"
    & skf18("4","1","3","6","2","4","1") = "5"
    & skf18("4","1","3","6","2","5","1") = "5"
    & skf18("4","1","3","6","2","6","1") = "5"
    & skf18("4","1","3","6","2","7","1") = "6"
    & skf18("4","1","3","6","2","8","1") = "7"
    & skf18("4","1","3","6","2","9","1") = "8"
    & skf18("4","1","3","6","2","10","1") = "9"
    & skf18("4","1","3","6","3","1","1") = "5"
    & skf18("4","1","3","6","3","2","1") = "5"
    & skf18("4","1","3","6","3","3","1") = "5"
    & skf18("4","1","3","6","3","4","1") = "5"
    & skf18("4","1","3","6","3","5","1") = "5"
    & skf18("4","1","3","6","3","6","1") = "5"
    & skf18("4","1","3","6","3","7","1") = "6"
    & skf18("4","1","3","6","3","8","1") = "7"
    & skf18("4","1","3","6","3","9","1") = "8"
    & skf18("4","1","3","6","3","10","1") = "9"
    & skf18("4","1","3","6","4","1","1") = "5"
    & skf18("4","1","3","6","4","2","1") = "5"
    & skf18("4","1","3","6","4","3","1") = "5"
    & skf18("4","1","3","6","4","4","1") = "5"
    & skf18("4","1","3","6","4","5","1") = "5"
    & skf18("4","1","3","6","4","6","1") = "5"
    & skf18("4","1","3","6","4","7","1") = "6"
    & skf18("4","1","3","6","4","8","1") = "7"
    & skf18("4","1","3","6","4","9","1") = "8"
    & skf18("4","1","3","6","4","10","1") = "9"
    & skf18("4","1","3","6","5","1","1") = "5"
    & skf18("4","1","3","6","5","2","1") = "5"
    & skf18("4","1","3","6","5","3","1") = "5"
    & skf18("4","1","3","6","5","4","1") = "5"
    & skf18("4","1","3","6","5","5","1") = "5"
    & skf18("4","1","3","6","5","6","1") = "5"
    & skf18("4","1","3","6","5","7","1") = "6"
    & skf18("4","1","3","6","5","8","1") = "7"
    & skf18("4","1","3","6","5","9","1") = "8"
    & skf18("4","1","3","6","5","10","1") = "9"
    & skf18("4","1","3","6","6","1","1") = "5"
    & skf18("4","1","3","6","6","2","1") = "5"
    & skf18("4","1","3","6","6","3","1") = "5"
    & skf18("4","1","3","6","6","4","1") = "5"
    & skf18("4","1","3","6","6","5","1") = "5"
    & skf18("4","1","3","6","6","6","1") = "5"
    & skf18("4","1","3","6","6","7","1") = "6"
    & skf18("4","1","3","6","6","8","1") = "7"
    & skf18("4","1","3","6","6","9","1") = "8"
    & skf18("4","1","3","6","6","10","1") = "9"
    & skf18("4","1","3","6","7","1","1") = "6"
    & skf18("4","1","3","6","7","2","1") = "6"
    & skf18("4","1","3","6","7","3","1") = "6"
    & skf18("4","1","3","6","7","4","1") = "6"
    & skf18("4","1","3","6","7","5","1") = "6"
    & skf18("4","1","3","6","7","6","1") = "6"
    & skf18("4","1","3","6","7","7","1") = "6"
    & skf18("4","1","3","6","7","8","1") = "7"
    & skf18("4","1","3","6","7","9","1") = "8"
    & skf18("4","1","3","6","7","10","1") = "9"
    & skf18("4","1","3","6","8","1","1") = "7"
    & skf18("4","1","3","6","8","2","1") = "7"
    & skf18("4","1","3","6","8","3","1") = "7"
    & skf18("4","1","3","6","8","4","1") = "7"
    & skf18("4","1","3","6","8","5","1") = "7"
    & skf18("4","1","3","6","8","6","1") = "7"
    & skf18("4","1","3","6","8","7","1") = "7"
    & skf18("4","1","3","6","8","8","1") = "7"
    & skf18("4","1","3","6","8","9","1") = "8"
    & skf18("4","1","3","6","8","10","1") = "9"
    & skf18("4","1","3","6","9","1","1") = "8"
    & skf18("4","1","3","6","9","2","1") = "8"
    & skf18("4","1","3","6","9","3","1") = "8"
    & skf18("4","1","3","6","9","4","1") = "8"
    & skf18("4","1","3","6","9","5","1") = "8"
    & skf18("4","1","3","6","9","6","1") = "8"
    & skf18("4","1","3","6","9","7","1") = "8"
    & skf18("4","1","3","6","9","8","1") = "8"
    & skf18("4","1","3","6","9","9","1") = "8"
    & skf18("4","1","3","6","9","10","1") = "9"
    & skf18("4","1","3","6","10","1","1") = "9"
    & skf18("4","1","3","6","10","2","1") = "9"
    & skf18("4","1","3","6","10","3","1") = "9"
    & skf18("4","1","3","6","10","4","1") = "9"
    & skf18("4","1","3","6","10","5","1") = "9"
    & skf18("4","1","3","6","10","6","1") = "9"
    & skf18("4","1","3","6","10","7","1") = "9"
    & skf18("4","1","3","6","10","8","1") = "9"
    & skf18("4","1","3","6","10","9","1") = "9"
    & skf18("4","1","3","6","10","10","1") = "9"
    & skf18("4","1","3","7","1","1","1") = "6"
    & skf18("4","1","3","7","1","2","1") = "6"
    & skf18("4","1","3","7","1","3","1") = "6"
    & skf18("4","1","3","7","1","4","1") = "6"
    & skf18("4","1","3","7","1","5","1") = "6"
    & skf18("4","1","3","7","1","6","1") = "6"
    & skf18("4","1","3","7","1","7","1") = "6"
    & skf18("4","1","3","7","1","8","1") = "7"
    & skf18("4","1","3","7","1","9","1") = "8"
    & skf18("4","1","3","7","1","10","1") = "9"
    & skf18("4","1","3","7","2","1","1") = "6"
    & skf18("4","1","3","7","2","2","1") = "6"
    & skf18("4","1","3","7","2","3","1") = "6"
    & skf18("4","1","3","7","2","4","1") = "6"
    & skf18("4","1","3","7","2","5","1") = "6"
    & skf18("4","1","3","7","2","6","1") = "6"
    & skf18("4","1","3","7","2","7","1") = "6"
    & skf18("4","1","3","7","2","8","1") = "7"
    & skf18("4","1","3","7","2","9","1") = "8"
    & skf18("4","1","3","7","2","10","1") = "9"
    & skf18("4","1","3","7","3","1","1") = "6"
    & skf18("4","1","3","7","3","2","1") = "6"
    & skf18("4","1","3","7","3","3","1") = "6"
    & skf18("4","1","3","7","3","4","1") = "6"
    & skf18("4","1","3","7","3","5","1") = "6"
    & skf18("4","1","3","7","3","6","1") = "6"
    & skf18("4","1","3","7","3","7","1") = "6"
    & skf18("4","1","3","7","3","8","1") = "7"
    & skf18("4","1","3","7","3","9","1") = "8"
    & skf18("4","1","3","7","3","10","1") = "9"
    & skf18("4","1","3","7","4","1","1") = "6"
    & skf18("4","1","3","7","4","2","1") = "6"
    & skf18("4","1","3","7","4","3","1") = "6"
    & skf18("4","1","3","7","4","4","1") = "6"
    & skf18("4","1","3","7","4","5","1") = "6"
    & skf18("4","1","3","7","4","6","1") = "6"
    & skf18("4","1","3","7","4","7","1") = "6"
    & skf18("4","1","3","7","4","8","1") = "7"
    & skf18("4","1","3","7","4","9","1") = "8"
    & skf18("4","1","3","7","4","10","1") = "9"
    & skf18("4","1","3","7","5","1","1") = "6"
    & skf18("4","1","3","7","5","2","1") = "6"
    & skf18("4","1","3","7","5","3","1") = "6"
    & skf18("4","1","3","7","5","4","1") = "6"
    & skf18("4","1","3","7","5","5","1") = "6"
    & skf18("4","1","3","7","5","6","1") = "6"
    & skf18("4","1","3","7","5","7","1") = "6"
    & skf18("4","1","3","7","5","8","1") = "7"
    & skf18("4","1","3","7","5","9","1") = "8"
    & skf18("4","1","3","7","5","10","1") = "9"
    & skf18("4","1","3","7","6","1","1") = "6"
    & skf18("4","1","3","7","6","2","1") = "6"
    & skf18("4","1","3","7","6","3","1") = "6"
    & skf18("4","1","3","7","6","4","1") = "6"
    & skf18("4","1","3","7","6","5","1") = "6"
    & skf18("4","1","3","7","6","6","1") = "6"
    & skf18("4","1","3","7","6","7","1") = "6"
    & skf18("4","1","3","7","6","8","1") = "7"
    & skf18("4","1","3","7","6","9","1") = "8"
    & skf18("4","1","3","7","6","10","1") = "9"
    & skf18("4","1","3","7","7","1","1") = "6"
    & skf18("4","1","3","7","7","2","1") = "6"
    & skf18("4","1","3","7","7","3","1") = "6"
    & skf18("4","1","3","7","7","4","1") = "6"
    & skf18("4","1","3","7","7","5","1") = "6"
    & skf18("4","1","3","7","7","6","1") = "6"
    & skf18("4","1","3","7","7","7","1") = "6"
    & skf18("4","1","3","7","7","8","1") = "7"
    & skf18("4","1","3","7","7","9","1") = "8"
    & skf18("4","1","3","7","7","10","1") = "9"
    & skf18("4","1","3","7","8","1","1") = "7"
    & skf18("4","1","3","7","8","2","1") = "7"
    & skf18("4","1","3","7","8","3","1") = "7"
    & skf18("4","1","3","7","8","4","1") = "7"
    & skf18("4","1","3","7","8","5","1") = "7"
    & skf18("4","1","3","7","8","6","1") = "7"
    & skf18("4","1","3","7","8","7","1") = "7"
    & skf18("4","1","3","7","8","8","1") = "7"
    & skf18("4","1","3","7","8","9","1") = "8"
    & skf18("4","1","3","7","8","10","1") = "9"
    & skf18("4","1","3","7","9","1","1") = "8"
    & skf18("4","1","3","7","9","2","1") = "8"
    & skf18("4","1","3","7","9","3","1") = "8"
    & skf18("4","1","3","7","9","4","1") = "8"
    & skf18("4","1","3","7","9","5","1") = "8"
    & skf18("4","1","3","7","9","6","1") = "8"
    & skf18("4","1","3","7","9","7","1") = "8"
    & skf18("4","1","3","7","9","8","1") = "8"
    & skf18("4","1","3","7","9","9","1") = "8"
    & skf18("4","1","3","7","9","10","1") = "9"
    & skf18("4","1","3","7","10","1","1") = "9"
    & skf18("4","1","3","7","10","2","1") = "9"
    & skf18("4","1","3","7","10","3","1") = "9"
    & skf18("4","1","3","7","10","4","1") = "9"
    & skf18("4","1","3","7","10","5","1") = "9"
    & skf18("4","1","3","7","10","6","1") = "9"
    & skf18("4","1","3","7","10","7","1") = "9"
    & skf18("4","1","3","7","10","8","1") = "9"
    & skf18("4","1","3","7","10","9","1") = "9"
    & skf18("4","1","3","7","10","10","1") = "9"
    & skf18("4","1","3","8","1","1","1") = "7"
    & skf18("4","1","3","8","1","2","1") = "7"
    & skf18("4","1","3","8","1","3","1") = "7"
    & skf18("4","1","3","8","1","4","1") = "7"
    & skf18("4","1","3","8","1","5","1") = "7"
    & skf18("4","1","3","8","1","6","1") = "7"
    & skf18("4","1","3","8","1","7","1") = "7"
    & skf18("4","1","3","8","1","8","1") = "7"
    & skf18("4","1","3","8","1","9","1") = "8"
    & skf18("4","1","3","8","1","10","1") = "9"
    & skf18("4","1","3","8","2","1","1") = "7"
    & skf18("4","1","3","8","2","2","1") = "7"
    & skf18("4","1","3","8","2","3","1") = "7"
    & skf18("4","1","3","8","2","4","1") = "7"
    & skf18("4","1","3","8","2","5","1") = "7"
    & skf18("4","1","3","8","2","6","1") = "7"
    & skf18("4","1","3","8","2","7","1") = "7"
    & skf18("4","1","3","8","2","8","1") = "7"
    & skf18("4","1","3","8","2","9","1") = "8"
    & skf18("4","1","3","8","2","10","1") = "9"
    & skf18("4","1","3","8","3","1","1") = "7"
    & skf18("4","1","3","8","3","2","1") = "7"
    & skf18("4","1","3","8","3","3","1") = "7"
    & skf18("4","1","3","8","3","4","1") = "7"
    & skf18("4","1","3","8","3","5","1") = "7"
    & skf18("4","1","3","8","3","6","1") = "7"
    & skf18("4","1","3","8","3","7","1") = "7"
    & skf18("4","1","3","8","3","8","1") = "7"
    & skf18("4","1","3","8","3","9","1") = "8"
    & skf18("4","1","3","8","3","10","1") = "9"
    & skf18("4","1","3","8","4","1","1") = "7"
    & skf18("4","1","3","8","4","2","1") = "7"
    & skf18("4","1","3","8","4","3","1") = "7"
    & skf18("4","1","3","8","4","4","1") = "7"
    & skf18("4","1","3","8","4","5","1") = "7"
    & skf18("4","1","3","8","4","6","1") = "7"
    & skf18("4","1","3","8","4","7","1") = "7"
    & skf18("4","1","3","8","4","8","1") = "7"
    & skf18("4","1","3","8","4","9","1") = "8"
    & skf18("4","1","3","8","4","10","1") = "9"
    & skf18("4","1","3","8","5","1","1") = "7"
    & skf18("4","1","3","8","5","2","1") = "7"
    & skf18("4","1","3","8","5","3","1") = "7"
    & skf18("4","1","3","8","5","4","1") = "7"
    & skf18("4","1","3","8","5","5","1") = "7"
    & skf18("4","1","3","8","5","6","1") = "7"
    & skf18("4","1","3","8","5","7","1") = "7"
    & skf18("4","1","3","8","5","8","1") = "7"
    & skf18("4","1","3","8","5","9","1") = "8"
    & skf18("4","1","3","8","5","10","1") = "9"
    & skf18("4","1","3","8","6","1","1") = "7"
    & skf18("4","1","3","8","6","2","1") = "7"
    & skf18("4","1","3","8","6","3","1") = "7"
    & skf18("4","1","3","8","6","4","1") = "7"
    & skf18("4","1","3","8","6","5","1") = "7"
    & skf18("4","1","3","8","6","6","1") = "7"
    & skf18("4","1","3","8","6","7","1") = "7"
    & skf18("4","1","3","8","6","8","1") = "7"
    & skf18("4","1","3","8","6","9","1") = "8"
    & skf18("4","1","3","8","6","10","1") = "9"
    & skf18("4","1","3","8","7","1","1") = "7"
    & skf18("4","1","3","8","7","2","1") = "7"
    & skf18("4","1","3","8","7","3","1") = "7"
    & skf18("4","1","3","8","7","4","1") = "7"
    & skf18("4","1","3","8","7","5","1") = "7"
    & skf18("4","1","3","8","7","6","1") = "7"
    & skf18("4","1","3","8","7","7","1") = "7"
    & skf18("4","1","3","8","7","8","1") = "7"
    & skf18("4","1","3","8","7","9","1") = "8"
    & skf18("4","1","3","8","7","10","1") = "9"
    & skf18("4","1","3","8","8","1","1") = "7"
    & skf18("4","1","3","8","8","2","1") = "7"
    & skf18("4","1","3","8","8","3","1") = "7"
    & skf18("4","1","3","8","8","4","1") = "7"
    & skf18("4","1","3","8","8","5","1") = "7"
    & skf18("4","1","3","8","8","6","1") = "7"
    & skf18("4","1","3","8","8","7","1") = "7"
    & skf18("4","1","3","8","8","8","1") = "7"
    & skf18("4","1","3","8","8","9","1") = "8"
    & skf18("4","1","3","8","8","10","1") = "9"
    & skf18("4","1","3","8","9","1","1") = "8"
    & skf18("4","1","3","8","9","2","1") = "8"
    & skf18("4","1","3","8","9","3","1") = "8"
    & skf18("4","1","3","8","9","4","1") = "8"
    & skf18("4","1","3","8","9","5","1") = "8"
    & skf18("4","1","3","8","9","6","1") = "8"
    & skf18("4","1","3","8","9","7","1") = "8"
    & skf18("4","1","3","8","9","8","1") = "8"
    & skf18("4","1","3","8","9","9","1") = "8"
    & skf18("4","1","3","8","9","10","1") = "9"
    & skf18("4","1","3","8","10","1","1") = "9"
    & skf18("4","1","3","8","10","2","1") = "9"
    & skf18("4","1","3","8","10","3","1") = "9"
    & skf18("4","1","3","8","10","4","1") = "9"
    & skf18("4","1","3","8","10","5","1") = "9"
    & skf18("4","1","3","8","10","6","1") = "9"
    & skf18("4","1","3","8","10","7","1") = "9"
    & skf18("4","1","3","8","10","8","1") = "9"
    & skf18("4","1","3","8","10","9","1") = "9"
    & skf18("4","1","3","8","10","10","1") = "9"
    & skf18("4","1","3","9","1","1","1") = "8"
    & skf18("4","1","3","9","1","2","1") = "8"
    & skf18("4","1","3","9","1","3","1") = "8"
    & skf18("4","1","3","9","1","4","1") = "8"
    & skf18("4","1","3","9","1","5","1") = "8"
    & skf18("4","1","3","9","1","6","1") = "8"
    & skf18("4","1","3","9","1","7","1") = "8"
    & skf18("4","1","3","9","1","8","1") = "8"
    & skf18("4","1","3","9","1","9","1") = "8"
    & skf18("4","1","3","9","1","10","1") = "9"
    & skf18("4","1","3","9","2","1","1") = "8"
    & skf18("4","1","3","9","2","2","1") = "8"
    & skf18("4","1","3","9","2","3","1") = "8"
    & skf18("4","1","3","9","2","4","1") = "8"
    & skf18("4","1","3","9","2","5","1") = "8"
    & skf18("4","1","3","9","2","6","1") = "8"
    & skf18("4","1","3","9","2","7","1") = "8"
    & skf18("4","1","3","9","2","8","1") = "8"
    & skf18("4","1","3","9","2","9","1") = "8"
    & skf18("4","1","3","9","2","10","1") = "9"
    & skf18("4","1","3","9","3","1","1") = "8"
    & skf18("4","1","3","9","3","2","1") = "8"
    & skf18("4","1","3","9","3","3","1") = "8"
    & skf18("4","1","3","9","3","4","1") = "8"
    & skf18("4","1","3","9","3","5","1") = "8"
    & skf18("4","1","3","9","3","6","1") = "8"
    & skf18("4","1","3","9","3","7","1") = "8"
    & skf18("4","1","3","9","3","8","1") = "8"
    & skf18("4","1","3","9","3","9","1") = "8"
    & skf18("4","1","3","9","3","10","1") = "9"
    & skf18("4","1","3","9","4","1","1") = "8"
    & skf18("4","1","3","9","4","2","1") = "8"
    & skf18("4","1","3","9","4","3","1") = "8"
    & skf18("4","1","3","9","4","4","1") = "8"
    & skf18("4","1","3","9","4","5","1") = "8"
    & skf18("4","1","3","9","4","6","1") = "8"
    & skf18("4","1","3","9","4","7","1") = "8"
    & skf18("4","1","3","9","4","8","1") = "8"
    & skf18("4","1","3","9","4","9","1") = "8"
    & skf18("4","1","3","9","4","10","1") = "9"
    & skf18("4","1","3","9","5","1","1") = "8"
    & skf18("4","1","3","9","5","2","1") = "8"
    & skf18("4","1","3","9","5","3","1") = "8"
    & skf18("4","1","3","9","5","4","1") = "8"
    & skf18("4","1","3","9","5","5","1") = "8"
    & skf18("4","1","3","9","5","6","1") = "8"
    & skf18("4","1","3","9","5","7","1") = "8"
    & skf18("4","1","3","9","5","8","1") = "8"
    & skf18("4","1","3","9","5","9","1") = "8"
    & skf18("4","1","3","9","5","10","1") = "9"
    & skf18("4","1","3","9","6","1","1") = "8"
    & skf18("4","1","3","9","6","2","1") = "8"
    & skf18("4","1","3","9","6","3","1") = "8"
    & skf18("4","1","3","9","6","4","1") = "8"
    & skf18("4","1","3","9","6","5","1") = "8"
    & skf18("4","1","3","9","6","6","1") = "8"
    & skf18("4","1","3","9","6","7","1") = "8"
    & skf18("4","1","3","9","6","8","1") = "8"
    & skf18("4","1","3","9","6","9","1") = "8"
    & skf18("4","1","3","9","6","10","1") = "9"
    & skf18("4","1","3","9","7","1","1") = "8"
    & skf18("4","1","3","9","7","2","1") = "8"
    & skf18("4","1","3","9","7","3","1") = "8"
    & skf18("4","1","3","9","7","4","1") = "8"
    & skf18("4","1","3","9","7","5","1") = "8"
    & skf18("4","1","3","9","7","6","1") = "8"
    & skf18("4","1","3","9","7","7","1") = "8"
    & skf18("4","1","3","9","7","8","1") = "8"
    & skf18("4","1","3","9","7","9","1") = "8"
    & skf18("4","1","3","9","7","10","1") = "9"
    & skf18("4","1","3","9","8","1","1") = "8"
    & skf18("4","1","3","9","8","2","1") = "8"
    & skf18("4","1","3","9","8","3","1") = "8"
    & skf18("4","1","3","9","8","4","1") = "8"
    & skf18("4","1","3","9","8","5","1") = "8"
    & skf18("4","1","3","9","8","6","1") = "8"
    & skf18("4","1","3","9","8","7","1") = "8"
    & skf18("4","1","3","9","8","8","1") = "8"
    & skf18("4","1","3","9","8","9","1") = "8"
    & skf18("4","1","3","9","8","10","1") = "9"
    & skf18("4","1","3","9","9","1","1") = "8"
    & skf18("4","1","3","9","9","2","1") = "8"
    & skf18("4","1","3","9","9","3","1") = "8"
    & skf18("4","1","3","9","9","4","1") = "8"
    & skf18("4","1","3","9","9","5","1") = "8"
    & skf18("4","1","3","9","9","6","1") = "8"
    & skf18("4","1","3","9","9","7","1") = "8"
    & skf18("4","1","3","9","9","8","1") = "8"
    & skf18("4","1","3","9","9","9","1") = "8"
    & skf18("4","1","3","9","9","10","1") = "9"
    & skf18("4","1","3","9","10","1","1") = "9"
    & skf18("4","1","3","9","10","2","1") = "9"
    & skf18("4","1","3","9","10","3","1") = "9"
    & skf18("4","1","3","9","10","4","1") = "9"
    & skf18("4","1","3","9","10","5","1") = "9"
    & skf18("4","1","3","9","10","6","1") = "9"
    & skf18("4","1","3","9","10","7","1") = "9"
    & skf18("4","1","3","9","10","8","1") = "9"
    & skf18("4","1","3","9","10","9","1") = "9"
    & skf18("4","1","3","9","10","10","1") = "9"
    & skf18("4","1","3","10","1","1","1") = "9"
    & skf18("4","1","3","10","1","2","1") = "9"
    & skf18("4","1","3","10","1","3","1") = "9"
    & skf18("4","1","3","10","1","4","1") = "9"
    & skf18("4","1","3","10","1","5","1") = "9"
    & skf18("4","1","3","10","1","6","1") = "9"
    & skf18("4","1","3","10","1","7","1") = "9"
    & skf18("4","1","3","10","1","8","1") = "9"
    & skf18("4","1","3","10","1","9","1") = "9"
    & skf18("4","1","3","10","1","10","1") = "9"
    & skf18("4","1","3","10","2","1","1") = "9"
    & skf18("4","1","3","10","2","2","1") = "9"
    & skf18("4","1","3","10","2","3","1") = "9"
    & skf18("4","1","3","10","2","4","1") = "9"
    & skf18("4","1","3","10","2","5","1") = "9"
    & skf18("4","1","3","10","2","6","1") = "9"
    & skf18("4","1","3","10","2","7","1") = "9"
    & skf18("4","1","3","10","2","8","1") = "9"
    & skf18("4","1","3","10","2","9","1") = "9"
    & skf18("4","1","3","10","2","10","1") = "9"
    & skf18("4","1","3","10","3","1","1") = "9"
    & skf18("4","1","3","10","3","2","1") = "9"
    & skf18("4","1","3","10","3","3","1") = "9"
    & skf18("4","1","3","10","3","4","1") = "9"
    & skf18("4","1","3","10","3","5","1") = "9"
    & skf18("4","1","3","10","3","6","1") = "9"
    & skf18("4","1","3","10","3","7","1") = "9"
    & skf18("4","1","3","10","3","8","1") = "9"
    & skf18("4","1","3","10","3","9","1") = "9"
    & skf18("4","1","3","10","3","10","1") = "9"
    & skf18("4","1","3","10","4","1","1") = "9"
    & skf18("4","1","3","10","4","2","1") = "9"
    & skf18("4","1","3","10","4","3","1") = "9"
    & skf18("4","1","3","10","4","4","1") = "9"
    & skf18("4","1","3","10","4","5","1") = "9"
    & skf18("4","1","3","10","4","6","1") = "9"
    & skf18("4","1","3","10","4","7","1") = "9"
    & skf18("4","1","3","10","4","8","1") = "9"
    & skf18("4","1","3","10","4","9","1") = "9"
    & skf18("4","1","3","10","4","10","1") = "9"
    & skf18("4","1","3","10","5","1","1") = "9"
    & skf18("4","1","3","10","5","2","1") = "9"
    & skf18("4","1","3","10","5","3","1") = "9"
    & skf18("4","1","3","10","5","4","1") = "9"
    & skf18("4","1","3","10","5","5","1") = "9"
    & skf18("4","1","3","10","5","6","1") = "9"
    & skf18("4","1","3","10","5","7","1") = "9"
    & skf18("4","1","3","10","5","8","1") = "9"
    & skf18("4","1","3","10","5","9","1") = "9"
    & skf18("4","1","3","10","5","10","1") = "9"
    & skf18("4","1","3","10","6","1","1") = "9"
    & skf18("4","1","3","10","6","2","1") = "9"
    & skf18("4","1","3","10","6","3","1") = "9"
    & skf18("4","1","3","10","6","4","1") = "9"
    & skf18("4","1","3","10","6","5","1") = "9"
    & skf18("4","1","3","10","6","6","1") = "9"
    & skf18("4","1","3","10","6","7","1") = "9"
    & skf18("4","1","3","10","6","8","1") = "9"
    & skf18("4","1","3","10","6","9","1") = "9"
    & skf18("4","1","3","10","6","10","1") = "9"
    & skf18("4","1","3","10","7","1","1") = "9"
    & skf18("4","1","3","10","7","2","1") = "9"
    & skf18("4","1","3","10","7","3","1") = "9"
    & skf18("4","1","3","10","7","4","1") = "9"
    & skf18("4","1","3","10","7","5","1") = "9"
    & skf18("4","1","3","10","7","6","1") = "9"
    & skf18("4","1","3","10","7","7","1") = "9"
    & skf18("4","1","3","10","7","8","1") = "9"
    & skf18("4","1","3","10","7","9","1") = "9"
    & skf18("4","1","3","10","7","10","1") = "9"
    & skf18("4","1","3","10","8","1","1") = "9"
    & skf18("4","1","3","10","8","2","1") = "9"
    & skf18("4","1","3","10","8","3","1") = "9"
    & skf18("4","1","3","10","8","4","1") = "9"
    & skf18("4","1","3","10","8","5","1") = "9"
    & skf18("4","1","3","10","8","6","1") = "9"
    & skf18("4","1","3","10","8","7","1") = "9"
    & skf18("4","1","3","10","8","8","1") = "9"
    & skf18("4","1","3","10","8","9","1") = "9"
    & skf18("4","1","3","10","8","10","1") = "9"
    & skf18("4","1","3","10","9","1","1") = "9"
    & skf18("4","1","3","10","9","2","1") = "9"
    & skf18("4","1","3","10","9","3","1") = "9"
    & skf18("4","1","3","10","9","4","1") = "9"
    & skf18("4","1","3","10","9","5","1") = "9"
    & skf18("4","1","3","10","9","6","1") = "9"
    & skf18("4","1","3","10","9","7","1") = "9"
    & skf18("4","1","3","10","9","8","1") = "9"
    & skf18("4","1","3","10","9","9","1") = "9"
    & skf18("4","1","3","10","9","10","1") = "9"
    & skf18("4","1","3","10","10","1","1") = "9"
    & skf18("4","1","3","10","10","2","1") = "9"
    & skf18("4","1","3","10","10","3","1") = "9"
    & skf18("4","1","3","10","10","4","1") = "9"
    & skf18("4","1","3","10","10","5","1") = "9"
    & skf18("4","1","3","10","10","6","1") = "9"
    & skf18("4","1","3","10","10","7","1") = "9"
    & skf18("4","1","3","10","10","8","1") = "9"
    & skf18("4","1","3","10","10","9","1") = "9"
    & skf18("4","1","3","10","10","10","1") = "9"
    & skf18("4","1","4","1","1","1","1") = "3"
    & skf18("4","1","4","1","1","2","1") = "3"
    & skf18("4","1","4","1","1","3","1") = "3"
    & skf18("4","1","4","1","1","4","1") = "3"
    & skf18("4","1","4","1","1","5","1") = "4"
    & skf18("4","1","4","1","1","6","1") = "5"
    & skf18("4","1","4","1","1","7","1") = "6"
    & skf18("4","1","4","1","1","8","1") = "7"
    & skf18("4","1","4","1","1","9","1") = "8"
    & skf18("4","1","4","1","1","10","1") = "9"
    & skf18("4","1","4","1","2","1","1") = "3"
    & skf18("4","1","4","1","2","2","1") = "3"
    & skf18("4","1","4","1","2","3","1") = "3"
    & skf18("4","1","4","1","2","4","1") = "3"
    & skf18("4","1","4","1","2","5","1") = "4"
    & skf18("4","1","4","1","2","6","1") = "5"
    & skf18("4","1","4","1","2","7","1") = "6"
    & skf18("4","1","4","1","2","8","1") = "7"
    & skf18("4","1","4","1","2","9","1") = "8"
    & skf18("4","1","4","1","2","10","1") = "9"
    & skf18("4","1","4","1","3","1","1") = "3"
    & skf18("4","1","4","1","3","2","1") = "3"
    & skf18("4","1","4","1","3","3","1") = "3"
    & skf18("4","1","4","1","3","4","1") = "3"
    & skf18("4","1","4","1","3","5","1") = "4"
    & skf18("4","1","4","1","3","6","1") = "5"
    & skf18("4","1","4","1","3","7","1") = "6"
    & skf18("4","1","4","1","3","8","1") = "7"
    & skf18("4","1","4","1","3","9","1") = "8"
    & skf18("4","1","4","1","3","10","1") = "9"
    & skf18("4","1","4","1","4","1","1") = "3"
    & skf18("4","1","4","1","4","2","1") = "3"
    & skf18("4","1","4","1","4","3","1") = "3"
    & skf18("4","1","4","1","4","4","1") = "3"
    & skf18("4","1","4","1","4","5","1") = "4"
    & skf18("4","1","4","1","4","6","1") = "5"
    & skf18("4","1","4","1","4","7","1") = "6"
    & skf18("4","1","4","1","4","8","1") = "7"
    & skf18("4","1","4","1","4","9","1") = "8"
    & skf18("4","1","4","1","4","10","1") = "9"
    & skf18("4","1","4","1","5","1","1") = "4"
    & skf18("4","1","4","1","5","2","1") = "4"
    & skf18("4","1","4","1","5","3","1") = "4"
    & skf18("4","1","4","1","5","4","1") = "4"
    & skf18("4","1","4","1","5","5","1") = "4"
    & skf18("4","1","4","1","5","6","1") = "5"
    & skf18("4","1","4","1","5","7","1") = "6"
    & skf18("4","1","4","1","5","8","1") = "7"
    & skf18("4","1","4","1","5","9","1") = "8"
    & skf18("4","1","4","1","5","10","1") = "9"
    & skf18("4","1","4","1","6","1","1") = "5"
    & skf18("4","1","4","1","6","2","1") = "5"
    & skf18("4","1","4","1","6","3","1") = "5"
    & skf18("4","1","4","1","6","4","1") = "5"
    & skf18("4","1","4","1","6","5","1") = "5"
    & skf18("4","1","4","1","6","6","1") = "5"
    & skf18("4","1","4","1","6","7","1") = "6"
    & skf18("4","1","4","1","6","8","1") = "7"
    & skf18("4","1","4","1","6","9","1") = "8"
    & skf18("4","1","4","1","6","10","1") = "9"
    & skf18("4","1","4","1","7","1","1") = "6"
    & skf18("4","1","4","1","7","2","1") = "6"
    & skf18("4","1","4","1","7","3","1") = "6"
    & skf18("4","1","4","1","7","4","1") = "6"
    & skf18("4","1","4","1","7","5","1") = "6"
    & skf18("4","1","4","1","7","6","1") = "6"
    & skf18("4","1","4","1","7","7","1") = "6"
    & skf18("4","1","4","1","7","8","1") = "7"
    & skf18("4","1","4","1","7","9","1") = "8"
    & skf18("4","1","4","1","7","10","1") = "9"
    & skf18("4","1","4","1","8","1","1") = "7"
    & skf18("4","1","4","1","8","2","1") = "7"
    & skf18("4","1","4","1","8","3","1") = "7"
    & skf18("4","1","4","1","8","4","1") = "7"
    & skf18("4","1","4","1","8","5","1") = "7"
    & skf18("4","1","4","1","8","6","1") = "7"
    & skf18("4","1","4","1","8","7","1") = "7"
    & skf18("4","1","4","1","8","8","1") = "7"
    & skf18("4","1","4","1","8","9","1") = "8"
    & skf18("4","1","4","1","8","10","1") = "9"
    & skf18("4","1","4","1","9","1","1") = "8"
    & skf18("4","1","4","1","9","2","1") = "8"
    & skf18("4","1","4","1","9","3","1") = "8"
    & skf18("4","1","4","1","9","4","1") = "8"
    & skf18("4","1","4","1","9","5","1") = "8"
    & skf18("4","1","4","1","9","6","1") = "8"
    & skf18("4","1","4","1","9","7","1") = "8"
    & skf18("4","1","4","1","9","8","1") = "8"
    & skf18("4","1","4","1","9","9","1") = "8"
    & skf18("4","1","4","1","9","10","1") = "9"
    & skf18("4","1","4","1","10","1","1") = "9"
    & skf18("4","1","4","1","10","2","1") = "9"
    & skf18("4","1","4","1","10","3","1") = "9"
    & skf18("4","1","4","1","10","4","1") = "9"
    & skf18("4","1","4","1","10","5","1") = "9"
    & skf18("4","1","4","1","10","6","1") = "9"
    & skf18("4","1","4","1","10","7","1") = "9"
    & skf18("4","1","4","1","10","8","1") = "9"
    & skf18("4","1","4","1","10","9","1") = "9"
    & skf18("4","1","4","1","10","10","1") = "9"
    & skf18("4","1","4","2","1","1","1") = "3"
    & skf18("4","1","4","2","1","2","1") = "3"
    & skf18("4","1","4","2","1","3","1") = "3"
    & skf18("4","1","4","2","1","4","1") = "3"
    & skf18("4","1","4","2","1","5","1") = "4"
    & skf18("4","1","4","2","1","6","1") = "5"
    & skf18("4","1","4","2","1","7","1") = "6"
    & skf18("4","1","4","2","1","8","1") = "7"
    & skf18("4","1","4","2","1","9","1") = "8"
    & skf18("4","1","4","2","1","10","1") = "9"
    & skf18("4","1","4","2","2","1","1") = "3"
    & skf18("4","1","4","2","2","2","1") = "3"
    & skf18("4","1","4","2","2","3","1") = "3"
    & skf18("4","1","4","2","2","4","1") = "3"
    & skf18("4","1","4","2","2","5","1") = "4"
    & skf18("4","1","4","2","2","6","1") = "5"
    & skf18("4","1","4","2","2","7","1") = "6"
    & skf18("4","1","4","2","2","8","1") = "7"
    & skf18("4","1","4","2","2","9","1") = "8"
    & skf18("4","1","4","2","2","10","1") = "9"
    & skf18("4","1","4","2","3","1","1") = "3"
    & skf18("4","1","4","2","3","2","1") = "3"
    & skf18("4","1","4","2","3","3","1") = "3"
    & skf18("4","1","4","2","3","4","1") = "3"
    & skf18("4","1","4","2","3","5","1") = "4"
    & skf18("4","1","4","2","3","6","1") = "5"
    & skf18("4","1","4","2","3","7","1") = "6"
    & skf18("4","1","4","2","3","8","1") = "7"
    & skf18("4","1","4","2","3","9","1") = "8"
    & skf18("4","1","4","2","3","10","1") = "9"
    & skf18("4","1","4","2","4","1","1") = "3"
    & skf18("4","1","4","2","4","2","1") = "3"
    & skf18("4","1","4","2","4","3","1") = "3"
    & skf18("4","1","4","2","4","4","1") = "3"
    & skf18("4","1","4","2","4","5","1") = "4"
    & skf18("4","1","4","2","4","6","1") = "5"
    & skf18("4","1","4","2","4","7","1") = "6"
    & skf18("4","1","4","2","4","8","1") = "7"
    & skf18("4","1","4","2","4","9","1") = "8"
    & skf18("4","1","4","2","4","10","1") = "9"
    & skf18("4","1","4","2","5","1","1") = "4"
    & skf18("4","1","4","2","5","2","1") = "4"
    & skf18("4","1","4","2","5","3","1") = "4"
    & skf18("4","1","4","2","5","4","1") = "4"
    & skf18("4","1","4","2","5","5","1") = "4"
    & skf18("4","1","4","2","5","6","1") = "5"
    & skf18("4","1","4","2","5","7","1") = "6"
    & skf18("4","1","4","2","5","8","1") = "7"
    & skf18("4","1","4","2","5","9","1") = "8"
    & skf18("4","1","4","2","5","10","1") = "9"
    & skf18("4","1","4","2","6","1","1") = "5"
    & skf18("4","1","4","2","6","2","1") = "5"
    & skf18("4","1","4","2","6","3","1") = "5"
    & skf18("4","1","4","2","6","4","1") = "5"
    & skf18("4","1","4","2","6","5","1") = "5"
    & skf18("4","1","4","2","6","6","1") = "5"
    & skf18("4","1","4","2","6","7","1") = "6"
    & skf18("4","1","4","2","6","8","1") = "7"
    & skf18("4","1","4","2","6","9","1") = "8"
    & skf18("4","1","4","2","6","10","1") = "9"
    & skf18("4","1","4","2","7","1","1") = "6"
    & skf18("4","1","4","2","7","2","1") = "6"
    & skf18("4","1","4","2","7","3","1") = "6"
    & skf18("4","1","4","2","7","4","1") = "6"
    & skf18("4","1","4","2","7","5","1") = "6"
    & skf18("4","1","4","2","7","6","1") = "6"
    & skf18("4","1","4","2","7","7","1") = "6"
    & skf18("4","1","4","2","7","8","1") = "7"
    & skf18("4","1","4","2","7","9","1") = "8"
    & skf18("4","1","4","2","7","10","1") = "9"
    & skf18("4","1","4","2","8","1","1") = "7"
    & skf18("4","1","4","2","8","2","1") = "7"
    & skf18("4","1","4","2","8","3","1") = "7"
    & skf18("4","1","4","2","8","4","1") = "7"
    & skf18("4","1","4","2","8","5","1") = "7"
    & skf18("4","1","4","2","8","6","1") = "7"
    & skf18("4","1","4","2","8","7","1") = "7"
    & skf18("4","1","4","2","8","8","1") = "7"
    & skf18("4","1","4","2","8","9","1") = "8"
    & skf18("4","1","4","2","8","10","1") = "9"
    & skf18("4","1","4","2","9","1","1") = "8"
    & skf18("4","1","4","2","9","2","1") = "8"
    & skf18("4","1","4","2","9","3","1") = "8"
    & skf18("4","1","4","2","9","4","1") = "8"
    & skf18("4","1","4","2","9","5","1") = "8"
    & skf18("4","1","4","2","9","6","1") = "8"
    & skf18("4","1","4","2","9","7","1") = "8"
    & skf18("4","1","4","2","9","8","1") = "8"
    & skf18("4","1","4","2","9","9","1") = "8"
    & skf18("4","1","4","2","9","10","1") = "9"
    & skf18("4","1","4","2","10","1","1") = "9"
    & skf18("4","1","4","2","10","2","1") = "9"
    & skf18("4","1","4","2","10","3","1") = "9"
    & skf18("4","1","4","2","10","4","1") = "9"
    & skf18("4","1","4","2","10","5","1") = "9"
    & skf18("4","1","4","2","10","6","1") = "9"
    & skf18("4","1","4","2","10","7","1") = "9"
    & skf18("4","1","4","2","10","8","1") = "9"
    & skf18("4","1","4","2","10","9","1") = "9"
    & skf18("4","1","4","2","10","10","1") = "9"
    & skf18("4","1","4","3","1","1","1") = "3"
    & skf18("4","1","4","3","1","2","1") = "3"
    & skf18("4","1","4","3","1","3","1") = "3"
    & skf18("4","1","4","3","1","4","1") = "3"
    & skf18("4","1","4","3","1","5","1") = "4"
    & skf18("4","1","4","3","1","6","1") = "5"
    & skf18("4","1","4","3","1","7","1") = "6"
    & skf18("4","1","4","3","1","8","1") = "7"
    & skf18("4","1","4","3","1","9","1") = "8"
    & skf18("4","1","4","3","1","10","1") = "9"
    & skf18("4","1","4","3","2","1","1") = "3"
    & skf18("4","1","4","3","2","2","1") = "3"
    & skf18("4","1","4","3","2","3","1") = "3"
    & skf18("4","1","4","3","2","4","1") = "3"
    & skf18("4","1","4","3","2","5","1") = "4"
    & skf18("4","1","4","3","2","6","1") = "5"
    & skf18("4","1","4","3","2","7","1") = "6"
    & skf18("4","1","4","3","2","8","1") = "7"
    & skf18("4","1","4","3","2","9","1") = "8"
    & skf18("4","1","4","3","2","10","1") = "9"
    & skf18("4","1","4","3","3","1","1") = "3"
    & skf18("4","1","4","3","3","2","1") = "3"
    & skf18("4","1","4","3","3","3","1") = "3"
    & skf18("4","1","4","3","3","4","1") = "3"
    & skf18("4","1","4","3","3","5","1") = "4"
    & skf18("4","1","4","3","3","6","1") = "5"
    & skf18("4","1","4","3","3","7","1") = "6"
    & skf18("4","1","4","3","3","8","1") = "7"
    & skf18("4","1","4","3","3","9","1") = "8"
    & skf18("4","1","4","3","3","10","1") = "9"
    & skf18("4","1","4","3","4","1","1") = "3"
    & skf18("4","1","4","3","4","2","1") = "3"
    & skf18("4","1","4","3","4","3","1") = "3"
    & skf18("4","1","4","3","4","4","1") = "3"
    & skf18("4","1","4","3","4","5","1") = "4"
    & skf18("4","1","4","3","4","6","1") = "5"
    & skf18("4","1","4","3","4","7","1") = "6"
    & skf18("4","1","4","3","4","8","1") = "7"
    & skf18("4","1","4","3","4","9","1") = "8"
    & skf18("4","1","4","3","4","10","1") = "9"
    & skf18("4","1","4","3","5","1","1") = "4"
    & skf18("4","1","4","3","5","2","1") = "4"
    & skf18("4","1","4","3","5","3","1") = "4"
    & skf18("4","1","4","3","5","4","1") = "4"
    & skf18("4","1","4","3","5","5","1") = "4"
    & skf18("4","1","4","3","5","6","1") = "5"
    & skf18("4","1","4","3","5","7","1") = "6"
    & skf18("4","1","4","3","5","8","1") = "7"
    & skf18("4","1","4","3","5","9","1") = "8"
    & skf18("4","1","4","3","5","10","1") = "9"
    & skf18("4","1","4","3","6","1","1") = "5"
    & skf18("4","1","4","3","6","2","1") = "5"
    & skf18("4","1","4","3","6","3","1") = "5"
    & skf18("4","1","4","3","6","4","1") = "5"
    & skf18("4","1","4","3","6","5","1") = "5"
    & skf18("4","1","4","3","6","6","1") = "5"
    & skf18("4","1","4","3","6","7","1") = "6"
    & skf18("4","1","4","3","6","8","1") = "7"
    & skf18("4","1","4","3","6","9","1") = "8"
    & skf18("4","1","4","3","6","10","1") = "9"
    & skf18("4","1","4","3","7","1","1") = "6"
    & skf18("4","1","4","3","7","2","1") = "6"
    & skf18("4","1","4","3","7","3","1") = "6"
    & skf18("4","1","4","3","7","4","1") = "6"
    & skf18("4","1","4","3","7","5","1") = "6"
    & skf18("4","1","4","3","7","6","1") = "6"
    & skf18("4","1","4","3","7","7","1") = "6"
    & skf18("4","1","4","3","7","8","1") = "7"
    & skf18("4","1","4","3","7","9","1") = "8"
    & skf18("4","1","4","3","7","10","1") = "9"
    & skf18("4","1","4","3","8","1","1") = "7"
    & skf18("4","1","4","3","8","2","1") = "7"
    & skf18("4","1","4","3","8","3","1") = "7"
    & skf18("4","1","4","3","8","4","1") = "7"
    & skf18("4","1","4","3","8","5","1") = "7"
    & skf18("4","1","4","3","8","6","1") = "7"
    & skf18("4","1","4","3","8","7","1") = "7"
    & skf18("4","1","4","3","8","8","1") = "7"
    & skf18("4","1","4","3","8","9","1") = "8"
    & skf18("4","1","4","3","8","10","1") = "9"
    & skf18("4","1","4","3","9","1","1") = "8"
    & skf18("4","1","4","3","9","2","1") = "8"
    & skf18("4","1","4","3","9","3","1") = "8"
    & skf18("4","1","4","3","9","4","1") = "8"
    & skf18("4","1","4","3","9","5","1") = "8"
    & skf18("4","1","4","3","9","6","1") = "8"
    & skf18("4","1","4","3","9","7","1") = "8"
    & skf18("4","1","4","3","9","8","1") = "8"
    & skf18("4","1","4","3","9","9","1") = "8"
    & skf18("4","1","4","3","9","10","1") = "9"
    & skf18("4","1","4","3","10","1","1") = "9"
    & skf18("4","1","4","3","10","2","1") = "9"
    & skf18("4","1","4","3","10","3","1") = "9"
    & skf18("4","1","4","3","10","4","1") = "9"
    & skf18("4","1","4","3","10","5","1") = "9"
    & skf18("4","1","4","3","10","6","1") = "9"
    & skf18("4","1","4","3","10","7","1") = "9"
    & skf18("4","1","4","3","10","8","1") = "9"
    & skf18("4","1","4","3","10","9","1") = "9"
    & skf18("4","1","4","3","10","10","1") = "9"
    & skf18("4","1","4","4","1","1","1") = "3"
    & skf18("4","1","4","4","1","2","1") = "3"
    & skf18("4","1","4","4","1","3","1") = "3"
    & skf18("4","1","4","4","1","4","1") = "3"
    & skf18("4","1","4","4","1","5","1") = "4"
    & skf18("4","1","4","4","1","6","1") = "5"
    & skf18("4","1","4","4","1","7","1") = "6"
    & skf18("4","1","4","4","1","8","1") = "7"
    & skf18("4","1","4","4","1","9","1") = "8"
    & skf18("4","1","4","4","1","10","1") = "9"
    & skf18("4","1","4","4","2","1","1") = "3"
    & skf18("4","1","4","4","2","2","1") = "3"
    & skf18("4","1","4","4","2","3","1") = "3"
    & skf18("4","1","4","4","2","4","1") = "3"
    & skf18("4","1","4","4","2","5","1") = "4"
    & skf18("4","1","4","4","2","6","1") = "5"
    & skf18("4","1","4","4","2","7","1") = "6"
    & skf18("4","1","4","4","2","8","1") = "7"
    & skf18("4","1","4","4","2","9","1") = "8"
    & skf18("4","1","4","4","2","10","1") = "9"
    & skf18("4","1","4","4","3","1","1") = "3"
    & skf18("4","1","4","4","3","2","1") = "3"
    & skf18("4","1","4","4","3","3","1") = "3"
    & skf18("4","1","4","4","3","4","1") = "3"
    & skf18("4","1","4","4","3","5","1") = "4"
    & skf18("4","1","4","4","3","6","1") = "5"
    & skf18("4","1","4","4","3","7","1") = "6"
    & skf18("4","1","4","4","3","8","1") = "7"
    & skf18("4","1","4","4","3","9","1") = "8"
    & skf18("4","1","4","4","3","10","1") = "9"
    & skf18("4","1","4","4","4","1","1") = "3"
    & skf18("4","1","4","4","4","2","1") = "3"
    & skf18("4","1","4","4","4","3","1") = "3"
    & skf18("4","1","4","4","4","4","1") = "3"
    & skf18("4","1","4","4","4","5","1") = "4"
    & skf18("4","1","4","4","4","6","1") = "5"
    & skf18("4","1","4","4","4","7","1") = "6"
    & skf18("4","1","4","4","4","8","1") = "7"
    & skf18("4","1","4","4","4","9","1") = "8"
    & skf18("4","1","4","4","4","10","1") = "9"
    & skf18("4","1","4","4","5","1","1") = "4"
    & skf18("4","1","4","4","5","2","1") = "4"
    & skf18("4","1","4","4","5","3","1") = "4"
    & skf18("4","1","4","4","5","4","1") = "4"
    & skf18("4","1","4","4","5","5","1") = "4"
    & skf18("4","1","4","4","5","6","1") = "5"
    & skf18("4","1","4","4","5","7","1") = "6"
    & skf18("4","1","4","4","5","8","1") = "7"
    & skf18("4","1","4","4","5","9","1") = "8"
    & skf18("4","1","4","4","5","10","1") = "9"
    & skf18("4","1","4","4","6","1","1") = "5"
    & skf18("4","1","4","4","6","2","1") = "5"
    & skf18("4","1","4","4","6","3","1") = "5"
    & skf18("4","1","4","4","6","4","1") = "5"
    & skf18("4","1","4","4","6","5","1") = "5"
    & skf18("4","1","4","4","6","6","1") = "5"
    & skf18("4","1","4","4","6","7","1") = "6"
    & skf18("4","1","4","4","6","8","1") = "7"
    & skf18("4","1","4","4","6","9","1") = "8"
    & skf18("4","1","4","4","6","10","1") = "9"
    & skf18("4","1","4","4","7","1","1") = "6"
    & skf18("4","1","4","4","7","2","1") = "6"
    & skf18("4","1","4","4","7","3","1") = "6"
    & skf18("4","1","4","4","7","4","1") = "6"
    & skf18("4","1","4","4","7","5","1") = "6"
    & skf18("4","1","4","4","7","6","1") = "6"
    & skf18("4","1","4","4","7","7","1") = "6"
    & skf18("4","1","4","4","7","8","1") = "7"
    & skf18("4","1","4","4","7","9","1") = "8"
    & skf18("4","1","4","4","7","10","1") = "9"
    & skf18("4","1","4","4","8","1","1") = "7"
    & skf18("4","1","4","4","8","2","1") = "7"
    & skf18("4","1","4","4","8","3","1") = "7"
    & skf18("4","1","4","4","8","4","1") = "7"
    & skf18("4","1","4","4","8","5","1") = "7"
    & skf18("4","1","4","4","8","6","1") = "7"
    & skf18("4","1","4","4","8","7","1") = "7"
    & skf18("4","1","4","4","8","8","1") = "7"
    & skf18("4","1","4","4","8","9","1") = "8"
    & skf18("4","1","4","4","8","10","1") = "9"
    & skf18("4","1","4","4","9","1","1") = "8"
    & skf18("4","1","4","4","9","2","1") = "8"
    & skf18("4","1","4","4","9","3","1") = "8"
    & skf18("4","1","4","4","9","4","1") = "8"
    & skf18("4","1","4","4","9","5","1") = "8"
    & skf18("4","1","4","4","9","6","1") = "8"
    & skf18("4","1","4","4","9","7","1") = "8"
    & skf18("4","1","4","4","9","8","1") = "8"
    & skf18("4","1","4","4","9","9","1") = "8"
    & skf18("4","1","4","4","9","10","1") = "9"
    & skf18("4","1","4","4","10","1","1") = "9"
    & skf18("4","1","4","4","10","2","1") = "9"
    & skf18("4","1","4","4","10","3","1") = "9"
    & skf18("4","1","4","4","10","4","1") = "9"
    & skf18("4","1","4","4","10","5","1") = "9"
    & skf18("4","1","4","4","10","6","1") = "9"
    & skf18("4","1","4","4","10","7","1") = "9"
    & skf18("4","1","4","4","10","8","1") = "9"
    & skf18("4","1","4","4","10","9","1") = "9"
    & skf18("4","1","4","4","10","10","1") = "9"
    & skf18("4","1","4","5","1","1","1") = "4"
    & skf18("4","1","4","5","1","2","1") = "4"
    & skf18("4","1","4","5","1","3","1") = "4"
    & skf18("4","1","4","5","1","4","1") = "4"
    & skf18("4","1","4","5","1","5","1") = "4"
    & skf18("4","1","4","5","1","6","1") = "5"
    & skf18("4","1","4","5","1","7","1") = "6"
    & skf18("4","1","4","5","1","8","1") = "7"
    & skf18("4","1","4","5","1","9","1") = "8"
    & skf18("4","1","4","5","1","10","1") = "9"
    & skf18("4","1","4","5","2","1","1") = "4"
    & skf18("4","1","4","5","2","2","1") = "4"
    & skf18("4","1","4","5","2","3","1") = "4"
    & skf18("4","1","4","5","2","4","1") = "4"
    & skf18("4","1","4","5","2","5","1") = "4"
    & skf18("4","1","4","5","2","6","1") = "5"
    & skf18("4","1","4","5","2","7","1") = "6"
    & skf18("4","1","4","5","2","8","1") = "7"
    & skf18("4","1","4","5","2","9","1") = "8"
    & skf18("4","1","4","5","2","10","1") = "9"
    & skf18("4","1","4","5","3","1","1") = "4"
    & skf18("4","1","4","5","3","2","1") = "4"
    & skf18("4","1","4","5","3","3","1") = "4"
    & skf18("4","1","4","5","3","4","1") = "4"
    & skf18("4","1","4","5","3","5","1") = "4"
    & skf18("4","1","4","5","3","6","1") = "5"
    & skf18("4","1","4","5","3","7","1") = "6"
    & skf18("4","1","4","5","3","8","1") = "7"
    & skf18("4","1","4","5","3","9","1") = "8"
    & skf18("4","1","4","5","3","10","1") = "9"
    & skf18("4","1","4","5","4","1","1") = "4"
    & skf18("4","1","4","5","4","2","1") = "4"
    & skf18("4","1","4","5","4","3","1") = "4"
    & skf18("4","1","4","5","4","4","1") = "4"
    & skf18("4","1","4","5","4","5","1") = "4"
    & skf18("4","1","4","5","4","6","1") = "5"
    & skf18("4","1","4","5","4","7","1") = "6"
    & skf18("4","1","4","5","4","8","1") = "7"
    & skf18("4","1","4","5","4","9","1") = "8"
    & skf18("4","1","4","5","4","10","1") = "9"
    & skf18("4","1","4","5","5","1","1") = "4"
    & skf18("4","1","4","5","5","2","1") = "4"
    & skf18("4","1","4","5","5","3","1") = "4"
    & skf18("4","1","4","5","5","4","1") = "4"
    & skf18("4","1","4","5","5","5","1") = "4"
    & skf18("4","1","4","5","5","6","1") = "5"
    & skf18("4","1","4","5","5","7","1") = "6"
    & skf18("4","1","4","5","5","8","1") = "7"
    & skf18("4","1","4","5","5","9","1") = "8"
    & skf18("4","1","4","5","5","10","1") = "9"
    & skf18("4","1","4","5","6","1","1") = "5"
    & skf18("4","1","4","5","6","2","1") = "5"
    & skf18("4","1","4","5","6","3","1") = "5"
    & skf18("4","1","4","5","6","4","1") = "5"
    & skf18("4","1","4","5","6","5","1") = "5"
    & skf18("4","1","4","5","6","6","1") = "5"
    & skf18("4","1","4","5","6","7","1") = "6"
    & skf18("4","1","4","5","6","8","1") = "7"
    & skf18("4","1","4","5","6","9","1") = "8"
    & skf18("4","1","4","5","6","10","1") = "9"
    & skf18("4","1","4","5","7","1","1") = "6"
    & skf18("4","1","4","5","7","2","1") = "6"
    & skf18("4","1","4","5","7","3","1") = "6"
    & skf18("4","1","4","5","7","4","1") = "6"
    & skf18("4","1","4","5","7","5","1") = "6"
    & skf18("4","1","4","5","7","6","1") = "6"
    & skf18("4","1","4","5","7","7","1") = "6"
    & skf18("4","1","4","5","7","8","1") = "7"
    & skf18("4","1","4","5","7","9","1") = "8"
    & skf18("4","1","4","5","7","10","1") = "9"
    & skf18("4","1","4","5","8","1","1") = "7"
    & skf18("4","1","4","5","8","2","1") = "7"
    & skf18("4","1","4","5","8","3","1") = "7"
    & skf18("4","1","4","5","8","4","1") = "7"
    & skf18("4","1","4","5","8","5","1") = "7"
    & skf18("4","1","4","5","8","6","1") = "7"
    & skf18("4","1","4","5","8","7","1") = "7"
    & skf18("4","1","4","5","8","8","1") = "7"
    & skf18("4","1","4","5","8","9","1") = "8"
    & skf18("4","1","4","5","8","10","1") = "9"
    & skf18("4","1","4","5","9","1","1") = "8"
    & skf18("4","1","4","5","9","2","1") = "8"
    & skf18("4","1","4","5","9","3","1") = "8"
    & skf18("4","1","4","5","9","4","1") = "8"
    & skf18("4","1","4","5","9","5","1") = "8"
    & skf18("4","1","4","5","9","6","1") = "8"
    & skf18("4","1","4","5","9","7","1") = "8"
    & skf18("4","1","4","5","9","8","1") = "8"
    & skf18("4","1","4","5","9","9","1") = "8"
    & skf18("4","1","4","5","9","10","1") = "9"
    & skf18("4","1","4","5","10","1","1") = "9"
    & skf18("4","1","4","5","10","2","1") = "9"
    & skf18("4","1","4","5","10","3","1") = "9"
    & skf18("4","1","4","5","10","4","1") = "9"
    & skf18("4","1","4","5","10","5","1") = "9"
    & skf18("4","1","4","5","10","6","1") = "9"
    & skf18("4","1","4","5","10","7","1") = "9"
    & skf18("4","1","4","5","10","8","1") = "9"
    & skf18("4","1","4","5","10","9","1") = "9"
    & skf18("4","1","4","5","10","10","1") = "9"
    & skf18("4","1","4","6","1","1","1") = "5"
    & skf18("4","1","4","6","1","2","1") = "5"
    & skf18("4","1","4","6","1","3","1") = "5"
    & skf18("4","1","4","6","1","4","1") = "5"
    & skf18("4","1","4","6","1","5","1") = "5"
    & skf18("4","1","4","6","1","6","1") = "5"
    & skf18("4","1","4","6","1","7","1") = "6"
    & skf18("4","1","4","6","1","8","1") = "7"
    & skf18("4","1","4","6","1","9","1") = "8"
    & skf18("4","1","4","6","1","10","1") = "9"
    & skf18("4","1","4","6","2","1","1") = "5"
    & skf18("4","1","4","6","2","2","1") = "5"
    & skf18("4","1","4","6","2","3","1") = "5"
    & skf18("4","1","4","6","2","4","1") = "5"
    & skf18("4","1","4","6","2","5","1") = "5"
    & skf18("4","1","4","6","2","6","1") = "5"
    & skf18("4","1","4","6","2","7","1") = "6"
    & skf18("4","1","4","6","2","8","1") = "7"
    & skf18("4","1","4","6","2","9","1") = "8"
    & skf18("4","1","4","6","2","10","1") = "9"
    & skf18("4","1","4","6","3","1","1") = "5"
    & skf18("4","1","4","6","3","2","1") = "5"
    & skf18("4","1","4","6","3","3","1") = "5"
    & skf18("4","1","4","6","3","4","1") = "5"
    & skf18("4","1","4","6","3","5","1") = "5"
    & skf18("4","1","4","6","3","6","1") = "5"
    & skf18("4","1","4","6","3","7","1") = "6"
    & skf18("4","1","4","6","3","8","1") = "7"
    & skf18("4","1","4","6","3","9","1") = "8"
    & skf18("4","1","4","6","3","10","1") = "9"
    & skf18("4","1","4","6","4","1","1") = "5"
    & skf18("4","1","4","6","4","2","1") = "5"
    & skf18("4","1","4","6","4","3","1") = "5"
    & skf18("4","1","4","6","4","4","1") = "5"
    & skf18("4","1","4","6","4","5","1") = "5"
    & skf18("4","1","4","6","4","6","1") = "5"
    & skf18("4","1","4","6","4","7","1") = "6"
    & skf18("4","1","4","6","4","8","1") = "7"
    & skf18("4","1","4","6","4","9","1") = "8"
    & skf18("4","1","4","6","4","10","1") = "9"
    & skf18("4","1","4","6","5","1","1") = "5"
    & skf18("4","1","4","6","5","2","1") = "5"
    & skf18("4","1","4","6","5","3","1") = "5"
    & skf18("4","1","4","6","5","4","1") = "5"
    & skf18("4","1","4","6","5","5","1") = "5"
    & skf18("4","1","4","6","5","6","1") = "5"
    & skf18("4","1","4","6","5","7","1") = "6"
    & skf18("4","1","4","6","5","8","1") = "7"
    & skf18("4","1","4","6","5","9","1") = "8"
    & skf18("4","1","4","6","5","10","1") = "9"
    & skf18("4","1","4","6","6","1","1") = "5"
    & skf18("4","1","4","6","6","2","1") = "5"
    & skf18("4","1","4","6","6","3","1") = "5"
    & skf18("4","1","4","6","6","4","1") = "5"
    & skf18("4","1","4","6","6","5","1") = "5"
    & skf18("4","1","4","6","6","6","1") = "5"
    & skf18("4","1","4","6","6","7","1") = "6"
    & skf18("4","1","4","6","6","8","1") = "7"
    & skf18("4","1","4","6","6","9","1") = "8"
    & skf18("4","1","4","6","6","10","1") = "9"
    & skf18("4","1","4","6","7","1","1") = "6"
    & skf18("4","1","4","6","7","2","1") = "6"
    & skf18("4","1","4","6","7","3","1") = "6"
    & skf18("4","1","4","6","7","4","1") = "6"
    & skf18("4","1","4","6","7","5","1") = "6"
    & skf18("4","1","4","6","7","6","1") = "6"
    & skf18("4","1","4","6","7","7","1") = "6"
    & skf18("4","1","4","6","7","8","1") = "7"
    & skf18("4","1","4","6","7","9","1") = "8"
    & skf18("4","1","4","6","7","10","1") = "9"
    & skf18("4","1","4","6","8","1","1") = "7"
    & skf18("4","1","4","6","8","2","1") = "7"
    & skf18("4","1","4","6","8","3","1") = "7"
    & skf18("4","1","4","6","8","4","1") = "7"
    & skf18("4","1","4","6","8","5","1") = "7"
    & skf18("4","1","4","6","8","6","1") = "7"
    & skf18("4","1","4","6","8","7","1") = "7"
    & skf18("4","1","4","6","8","8","1") = "7"
    & skf18("4","1","4","6","8","9","1") = "8"
    & skf18("4","1","4","6","8","10","1") = "9"
    & skf18("4","1","4","6","9","1","1") = "8"
    & skf18("4","1","4","6","9","2","1") = "8"
    & skf18("4","1","4","6","9","3","1") = "8"
    & skf18("4","1","4","6","9","4","1") = "8"
    & skf18("4","1","4","6","9","5","1") = "8"
    & skf18("4","1","4","6","9","6","1") = "8"
    & skf18("4","1","4","6","9","7","1") = "8"
    & skf18("4","1","4","6","9","8","1") = "8"
    & skf18("4","1","4","6","9","9","1") = "8"
    & skf18("4","1","4","6","9","10","1") = "9"
    & skf18("4","1","4","6","10","1","1") = "9"
    & skf18("4","1","4","6","10","2","1") = "9"
    & skf18("4","1","4","6","10","3","1") = "9"
    & skf18("4","1","4","6","10","4","1") = "9"
    & skf18("4","1","4","6","10","5","1") = "9"
    & skf18("4","1","4","6","10","6","1") = "9"
    & skf18("4","1","4","6","10","7","1") = "9"
    & skf18("4","1","4","6","10","8","1") = "9"
    & skf18("4","1","4","6","10","9","1") = "9"
    & skf18("4","1","4","6","10","10","1") = "9"
    & skf18("4","1","4","7","1","1","1") = "6"
    & skf18("4","1","4","7","1","2","1") = "6"
    & skf18("4","1","4","7","1","3","1") = "6"
    & skf18("4","1","4","7","1","4","1") = "6"
    & skf18("4","1","4","7","1","5","1") = "6"
    & skf18("4","1","4","7","1","6","1") = "6"
    & skf18("4","1","4","7","1","7","1") = "6"
    & skf18("4","1","4","7","1","8","1") = "7"
    & skf18("4","1","4","7","1","9","1") = "8"
    & skf18("4","1","4","7","1","10","1") = "9"
    & skf18("4","1","4","7","2","1","1") = "6"
    & skf18("4","1","4","7","2","2","1") = "6"
    & skf18("4","1","4","7","2","3","1") = "6"
    & skf18("4","1","4","7","2","4","1") = "6"
    & skf18("4","1","4","7","2","5","1") = "6"
    & skf18("4","1","4","7","2","6","1") = "6"
    & skf18("4","1","4","7","2","7","1") = "6"
    & skf18("4","1","4","7","2","8","1") = "7"
    & skf18("4","1","4","7","2","9","1") = "8"
    & skf18("4","1","4","7","2","10","1") = "9"
    & skf18("4","1","4","7","3","1","1") = "6"
    & skf18("4","1","4","7","3","2","1") = "6"
    & skf18("4","1","4","7","3","3","1") = "6"
    & skf18("4","1","4","7","3","4","1") = "6"
    & skf18("4","1","4","7","3","5","1") = "6"
    & skf18("4","1","4","7","3","6","1") = "6"
    & skf18("4","1","4","7","3","7","1") = "6"
    & skf18("4","1","4","7","3","8","1") = "7"
    & skf18("4","1","4","7","3","9","1") = "8"
    & skf18("4","1","4","7","3","10","1") = "9"
    & skf18("4","1","4","7","4","1","1") = "6"
    & skf18("4","1","4","7","4","2","1") = "6"
    & skf18("4","1","4","7","4","3","1") = "6"
    & skf18("4","1","4","7","4","4","1") = "6"
    & skf18("4","1","4","7","4","5","1") = "6"
    & skf18("4","1","4","7","4","6","1") = "6"
    & skf18("4","1","4","7","4","7","1") = "6"
    & skf18("4","1","4","7","4","8","1") = "7"
    & skf18("4","1","4","7","4","9","1") = "8"
    & skf18("4","1","4","7","4","10","1") = "9"
    & skf18("4","1","4","7","5","1","1") = "6"
    & skf18("4","1","4","7","5","2","1") = "6"
    & skf18("4","1","4","7","5","3","1") = "6"
    & skf18("4","1","4","7","5","4","1") = "6"
    & skf18("4","1","4","7","5","5","1") = "6"
    & skf18("4","1","4","7","5","6","1") = "6"
    & skf18("4","1","4","7","5","7","1") = "6"
    & skf18("4","1","4","7","5","8","1") = "7"
    & skf18("4","1","4","7","5","9","1") = "8"
    & skf18("4","1","4","7","5","10","1") = "9"
    & skf18("4","1","4","7","6","1","1") = "6"
    & skf18("4","1","4","7","6","2","1") = "6"
    & skf18("4","1","4","7","6","3","1") = "6"
    & skf18("4","1","4","7","6","4","1") = "6"
    & skf18("4","1","4","7","6","5","1") = "6"
    & skf18("4","1","4","7","6","6","1") = "6"
    & skf18("4","1","4","7","6","7","1") = "6"
    & skf18("4","1","4","7","6","8","1") = "7"
    & skf18("4","1","4","7","6","9","1") = "8"
    & skf18("4","1","4","7","6","10","1") = "9"
    & skf18("4","1","4","7","7","1","1") = "6"
    & skf18("4","1","4","7","7","2","1") = "6"
    & skf18("4","1","4","7","7","3","1") = "6"
    & skf18("4","1","4","7","7","4","1") = "6"
    & skf18("4","1","4","7","7","5","1") = "6"
    & skf18("4","1","4","7","7","6","1") = "6"
    & skf18("4","1","4","7","7","7","1") = "6"
    & skf18("4","1","4","7","7","8","1") = "7"
    & skf18("4","1","4","7","7","9","1") = "8"
    & skf18("4","1","4","7","7","10","1") = "9"
    & skf18("4","1","4","7","8","1","1") = "7"
    & skf18("4","1","4","7","8","2","1") = "7"
    & skf18("4","1","4","7","8","3","1") = "7"
    & skf18("4","1","4","7","8","4","1") = "7"
    & skf18("4","1","4","7","8","5","1") = "7"
    & skf18("4","1","4","7","8","6","1") = "7"
    & skf18("4","1","4","7","8","7","1") = "7"
    & skf18("4","1","4","7","8","8","1") = "7"
    & skf18("4","1","4","7","8","9","1") = "8"
    & skf18("4","1","4","7","8","10","1") = "9"
    & skf18("4","1","4","7","9","1","1") = "8"
    & skf18("4","1","4","7","9","2","1") = "8"
    & skf18("4","1","4","7","9","3","1") = "8"
    & skf18("4","1","4","7","9","4","1") = "8"
    & skf18("4","1","4","7","9","5","1") = "8"
    & skf18("4","1","4","7","9","6","1") = "8"
    & skf18("4","1","4","7","9","7","1") = "8"
    & skf18("4","1","4","7","9","8","1") = "8"
    & skf18("4","1","4","7","9","9","1") = "8"
    & skf18("4","1","4","7","9","10","1") = "9"
    & skf18("4","1","4","7","10","1","1") = "9"
    & skf18("4","1","4","7","10","2","1") = "9"
    & skf18("4","1","4","7","10","3","1") = "9"
    & skf18("4","1","4","7","10","4","1") = "9"
    & skf18("4","1","4","7","10","5","1") = "9"
    & skf18("4","1","4","7","10","6","1") = "9"
    & skf18("4","1","4","7","10","7","1") = "9"
    & skf18("4","1","4","7","10","8","1") = "9"
    & skf18("4","1","4","7","10","9","1") = "9"
    & skf18("4","1","4","7","10","10","1") = "9"
    & skf18("4","1","4","8","1","1","1") = "7"
    & skf18("4","1","4","8","1","2","1") = "7"
    & skf18("4","1","4","8","1","3","1") = "7"
    & skf18("4","1","4","8","1","4","1") = "7"
    & skf18("4","1","4","8","1","5","1") = "7"
    & skf18("4","1","4","8","1","6","1") = "7"
    & skf18("4","1","4","8","1","7","1") = "7"
    & skf18("4","1","4","8","1","8","1") = "7"
    & skf18("4","1","4","8","1","9","1") = "8"
    & skf18("4","1","4","8","1","10","1") = "9"
    & skf18("4","1","4","8","2","1","1") = "7"
    & skf18("4","1","4","8","2","2","1") = "7"
    & skf18("4","1","4","8","2","3","1") = "7"
    & skf18("4","1","4","8","2","4","1") = "7"
    & skf18("4","1","4","8","2","5","1") = "7"
    & skf18("4","1","4","8","2","6","1") = "7"
    & skf18("4","1","4","8","2","7","1") = "7"
    & skf18("4","1","4","8","2","8","1") = "7"
    & skf18("4","1","4","8","2","9","1") = "8"
    & skf18("4","1","4","8","2","10","1") = "9"
    & skf18("4","1","4","8","3","1","1") = "7"
    & skf18("4","1","4","8","3","2","1") = "7"
    & skf18("4","1","4","8","3","3","1") = "7"
    & skf18("4","1","4","8","3","4","1") = "7"
    & skf18("4","1","4","8","3","5","1") = "7"
    & skf18("4","1","4","8","3","6","1") = "7"
    & skf18("4","1","4","8","3","7","1") = "7"
    & skf18("4","1","4","8","3","8","1") = "7"
    & skf18("4","1","4","8","3","9","1") = "8"
    & skf18("4","1","4","8","3","10","1") = "9"
    & skf18("4","1","4","8","4","1","1") = "7"
    & skf18("4","1","4","8","4","2","1") = "7"
    & skf18("4","1","4","8","4","3","1") = "7"
    & skf18("4","1","4","8","4","4","1") = "7"
    & skf18("4","1","4","8","4","5","1") = "7"
    & skf18("4","1","4","8","4","6","1") = "7"
    & skf18("4","1","4","8","4","7","1") = "7"
    & skf18("4","1","4","8","4","8","1") = "7"
    & skf18("4","1","4","8","4","9","1") = "8"
    & skf18("4","1","4","8","4","10","1") = "9"
    & skf18("4","1","4","8","5","1","1") = "7"
    & skf18("4","1","4","8","5","2","1") = "7"
    & skf18("4","1","4","8","5","3","1") = "7"
    & skf18("4","1","4","8","5","4","1") = "7"
    & skf18("4","1","4","8","5","5","1") = "7"
    & skf18("4","1","4","8","5","6","1") = "7"
    & skf18("4","1","4","8","5","7","1") = "7"
    & skf18("4","1","4","8","5","8","1") = "7"
    & skf18("4","1","4","8","5","9","1") = "8"
    & skf18("4","1","4","8","5","10","1") = "9"
    & skf18("4","1","4","8","6","1","1") = "7"
    & skf18("4","1","4","8","6","2","1") = "7"
    & skf18("4","1","4","8","6","3","1") = "7"
    & skf18("4","1","4","8","6","4","1") = "7"
    & skf18("4","1","4","8","6","5","1") = "7"
    & skf18("4","1","4","8","6","6","1") = "7"
    & skf18("4","1","4","8","6","7","1") = "7"
    & skf18("4","1","4","8","6","8","1") = "7"
    & skf18("4","1","4","8","6","9","1") = "8"
    & skf18("4","1","4","8","6","10","1") = "9"
    & skf18("4","1","4","8","7","1","1") = "7"
    & skf18("4","1","4","8","7","2","1") = "7"
    & skf18("4","1","4","8","7","3","1") = "7"
    & skf18("4","1","4","8","7","4","1") = "7"
    & skf18("4","1","4","8","7","5","1") = "7"
    & skf18("4","1","4","8","7","6","1") = "7"
    & skf18("4","1","4","8","7","7","1") = "7"
    & skf18("4","1","4","8","7","8","1") = "7"
    & skf18("4","1","4","8","7","9","1") = "8"
    & skf18("4","1","4","8","7","10","1") = "9"
    & skf18("4","1","4","8","8","1","1") = "7"
    & skf18("4","1","4","8","8","2","1") = "7"
    & skf18("4","1","4","8","8","3","1") = "7"
    & skf18("4","1","4","8","8","4","1") = "7"
    & skf18("4","1","4","8","8","5","1") = "7"
    & skf18("4","1","4","8","8","6","1") = "7"
    & skf18("4","1","4","8","8","7","1") = "7"
    & skf18("4","1","4","8","8","8","1") = "7"
    & skf18("4","1","4","8","8","9","1") = "8"
    & skf18("4","1","4","8","8","10","1") = "9"
    & skf18("4","1","4","8","9","1","1") = "8"
    & skf18("4","1","4","8","9","2","1") = "8"
    & skf18("4","1","4","8","9","3","1") = "8"
    & skf18("4","1","4","8","9","4","1") = "8"
    & skf18("4","1","4","8","9","5","1") = "8"
    & skf18("4","1","4","8","9","6","1") = "8"
    & skf18("4","1","4","8","9","7","1") = "8"
    & skf18("4","1","4","8","9","8","1") = "8"
    & skf18("4","1","4","8","9","9","1") = "8"
    & skf18("4","1","4","8","9","10","1") = "9"
    & skf18("4","1","4","8","10","1","1") = "9"
    & skf18("4","1","4","8","10","2","1") = "9"
    & skf18("4","1","4","8","10","3","1") = "9"
    & skf18("4","1","4","8","10","4","1") = "9"
    & skf18("4","1","4","8","10","5","1") = "9"
    & skf18("4","1","4","8","10","6","1") = "9"
    & skf18("4","1","4","8","10","7","1") = "9"
    & skf18("4","1","4","8","10","8","1") = "9"
    & skf18("4","1","4","8","10","9","1") = "9"
    & skf18("4","1","4","8","10","10","1") = "9"
    & skf18("4","1","4","9","1","1","1") = "8"
    & skf18("4","1","4","9","1","2","1") = "8"
    & skf18("4","1","4","9","1","3","1") = "8"
    & skf18("4","1","4","9","1","4","1") = "8"
    & skf18("4","1","4","9","1","5","1") = "8"
    & skf18("4","1","4","9","1","6","1") = "8"
    & skf18("4","1","4","9","1","7","1") = "8"
    & skf18("4","1","4","9","1","8","1") = "8"
    & skf18("4","1","4","9","1","9","1") = "8"
    & skf18("4","1","4","9","1","10","1") = "9"
    & skf18("4","1","4","9","2","1","1") = "8"
    & skf18("4","1","4","9","2","2","1") = "8"
    & skf18("4","1","4","9","2","3","1") = "8"
    & skf18("4","1","4","9","2","4","1") = "8"
    & skf18("4","1","4","9","2","5","1") = "8"
    & skf18("4","1","4","9","2","6","1") = "8"
    & skf18("4","1","4","9","2","7","1") = "8"
    & skf18("4","1","4","9","2","8","1") = "8"
    & skf18("4","1","4","9","2","9","1") = "8"
    & skf18("4","1","4","9","2","10","1") = "9"
    & skf18("4","1","4","9","3","1","1") = "8"
    & skf18("4","1","4","9","3","2","1") = "8"
    & skf18("4","1","4","9","3","3","1") = "8"
    & skf18("4","1","4","9","3","4","1") = "8"
    & skf18("4","1","4","9","3","5","1") = "8"
    & skf18("4","1","4","9","3","6","1") = "8"
    & skf18("4","1","4","9","3","7","1") = "8"
    & skf18("4","1","4","9","3","8","1") = "8"
    & skf18("4","1","4","9","3","9","1") = "8"
    & skf18("4","1","4","9","3","10","1") = "9"
    & skf18("4","1","4","9","4","1","1") = "8"
    & skf18("4","1","4","9","4","2","1") = "8"
    & skf18("4","1","4","9","4","3","1") = "8"
    & skf18("4","1","4","9","4","4","1") = "8"
    & skf18("4","1","4","9","4","5","1") = "8"
    & skf18("4","1","4","9","4","6","1") = "8"
    & skf18("4","1","4","9","4","7","1") = "8"
    & skf18("4","1","4","9","4","8","1") = "8"
    & skf18("4","1","4","9","4","9","1") = "8"
    & skf18("4","1","4","9","4","10","1") = "9"
    & skf18("4","1","4","9","5","1","1") = "8"
    & skf18("4","1","4","9","5","2","1") = "8"
    & skf18("4","1","4","9","5","3","1") = "8"
    & skf18("4","1","4","9","5","4","1") = "8"
    & skf18("4","1","4","9","5","5","1") = "8"
    & skf18("4","1","4","9","5","6","1") = "8"
    & skf18("4","1","4","9","5","7","1") = "8"
    & skf18("4","1","4","9","5","8","1") = "8"
    & skf18("4","1","4","9","5","9","1") = "8"
    & skf18("4","1","4","9","5","10","1") = "9"
    & skf18("4","1","4","9","6","1","1") = "8"
    & skf18("4","1","4","9","6","2","1") = "8"
    & skf18("4","1","4","9","6","3","1") = "8"
    & skf18("4","1","4","9","6","4","1") = "8"
    & skf18("4","1","4","9","6","5","1") = "8"
    & skf18("4","1","4","9","6","6","1") = "8"
    & skf18("4","1","4","9","6","7","1") = "8"
    & skf18("4","1","4","9","6","8","1") = "8"
    & skf18("4","1","4","9","6","9","1") = "8"
    & skf18("4","1","4","9","6","10","1") = "9"
    & skf18("4","1","4","9","7","1","1") = "8"
    & skf18("4","1","4","9","7","2","1") = "8"
    & skf18("4","1","4","9","7","3","1") = "8"
    & skf18("4","1","4","9","7","4","1") = "8"
    & skf18("4","1","4","9","7","5","1") = "8"
    & skf18("4","1","4","9","7","6","1") = "8"
    & skf18("4","1","4","9","7","7","1") = "8"
    & skf18("4","1","4","9","7","8","1") = "8"
    & skf18("4","1","4","9","7","9","1") = "8"
    & skf18("4","1","4","9","7","10","1") = "9"
    & skf18("4","1","4","9","8","1","1") = "8"
    & skf18("4","1","4","9","8","2","1") = "8"
    & skf18("4","1","4","9","8","3","1") = "8"
    & skf18("4","1","4","9","8","4","1") = "8"
    & skf18("4","1","4","9","8","5","1") = "8"
    & skf18("4","1","4","9","8","6","1") = "8"
    & skf18("4","1","4","9","8","7","1") = "8"
    & skf18("4","1","4","9","8","8","1") = "8"
    & skf18("4","1","4","9","8","9","1") = "8"
    & skf18("4","1","4","9","8","10","1") = "9"
    & skf18("4","1","4","9","9","1","1") = "8"
    & skf18("4","1","4","9","9","2","1") = "8"
    & skf18("4","1","4","9","9","3","1") = "8"
    & skf18("4","1","4","9","9","4","1") = "8"
    & skf18("4","1","4","9","9","5","1") = "8"
    & skf18("4","1","4","9","9","6","1") = "8"
    & skf18("4","1","4","9","9","7","1") = "8"
    & skf18("4","1","4","9","9","8","1") = "8"
    & skf18("4","1","4","9","9","9","1") = "8"
    & skf18("4","1","4","9","9","10","1") = "9"
    & skf18("4","1","4","9","10","1","1") = "9"
    & skf18("4","1","4","9","10","2","1") = "9"
    & skf18("4","1","4","9","10","3","1") = "9"
    & skf18("4","1","4","9","10","4","1") = "9"
    & skf18("4","1","4","9","10","5","1") = "9"
    & skf18("4","1","4","9","10","6","1") = "9"
    & skf18("4","1","4","9","10","7","1") = "9"
    & skf18("4","1","4","9","10","8","1") = "9"
    & skf18("4","1","4","9","10","9","1") = "9"
    & skf18("4","1","4","9","10","10","1") = "9"
    & skf18("4","1","4","10","1","1","1") = "9"
    & skf18("4","1","4","10","1","2","1") = "9"
    & skf18("4","1","4","10","1","3","1") = "9"
    & skf18("4","1","4","10","1","4","1") = "9"
    & skf18("4","1","4","10","1","5","1") = "9"
    & skf18("4","1","4","10","1","6","1") = "9"
    & skf18("4","1","4","10","1","7","1") = "9"
    & skf18("4","1","4","10","1","8","1") = "9"
    & skf18("4","1","4","10","1","9","1") = "9"
    & skf18("4","1","4","10","1","10","1") = "9"
    & skf18("4","1","4","10","2","1","1") = "9"
    & skf18("4","1","4","10","2","2","1") = "9"
    & skf18("4","1","4","10","2","3","1") = "9"
    & skf18("4","1","4","10","2","4","1") = "9"
    & skf18("4","1","4","10","2","5","1") = "9"
    & skf18("4","1","4","10","2","6","1") = "9"
    & skf18("4","1","4","10","2","7","1") = "9"
    & skf18("4","1","4","10","2","8","1") = "9"
    & skf18("4","1","4","10","2","9","1") = "9"
    & skf18("4","1","4","10","2","10","1") = "9"
    & skf18("4","1","4","10","3","1","1") = "9"
    & skf18("4","1","4","10","3","2","1") = "9"
    & skf18("4","1","4","10","3","3","1") = "9"
    & skf18("4","1","4","10","3","4","1") = "9"
    & skf18("4","1","4","10","3","5","1") = "9"
    & skf18("4","1","4","10","3","6","1") = "9"
    & skf18("4","1","4","10","3","7","1") = "9"
    & skf18("4","1","4","10","3","8","1") = "9"
    & skf18("4","1","4","10","3","9","1") = "9"
    & skf18("4","1","4","10","3","10","1") = "9"
    & skf18("4","1","4","10","4","1","1") = "9"
    & skf18("4","1","4","10","4","2","1") = "9"
    & skf18("4","1","4","10","4","3","1") = "9"
    & skf18("4","1","4","10","4","4","1") = "9"
    & skf18("4","1","4","10","4","5","1") = "9"
    & skf18("4","1","4","10","4","6","1") = "9"
    & skf18("4","1","4","10","4","7","1") = "9"
    & skf18("4","1","4","10","4","8","1") = "9"
    & skf18("4","1","4","10","4","9","1") = "9"
    & skf18("4","1","4","10","4","10","1") = "9"
    & skf18("4","1","4","10","5","1","1") = "9"
    & skf18("4","1","4","10","5","2","1") = "9"
    & skf18("4","1","4","10","5","3","1") = "9"
    & skf18("4","1","4","10","5","4","1") = "9"
    & skf18("4","1","4","10","5","5","1") = "9"
    & skf18("4","1","4","10","5","6","1") = "9"
    & skf18("4","1","4","10","5","7","1") = "9"
    & skf18("4","1","4","10","5","8","1") = "9"
    & skf18("4","1","4","10","5","9","1") = "9"
    & skf18("4","1","4","10","5","10","1") = "9"
    & skf18("4","1","4","10","6","1","1") = "9"
    & skf18("4","1","4","10","6","2","1") = "9"
    & skf18("4","1","4","10","6","3","1") = "9"
    & skf18("4","1","4","10","6","4","1") = "9"
    & skf18("4","1","4","10","6","5","1") = "9"
    & skf18("4","1","4","10","6","6","1") = "9"
    & skf18("4","1","4","10","6","7","1") = "9"
    & skf18("4","1","4","10","6","8","1") = "9"
    & skf18("4","1","4","10","6","9","1") = "9"
    & skf18("4","1","4","10","6","10","1") = "9"
    & skf18("4","1","4","10","7","1","1") = "9"
    & skf18("4","1","4","10","7","2","1") = "9"
    & skf18("4","1","4","10","7","3","1") = "9"
    & skf18("4","1","4","10","7","4","1") = "9"
    & skf18("4","1","4","10","7","5","1") = "9"
    & skf18("4","1","4","10","7","6","1") = "9"
    & skf18("4","1","4","10","7","7","1") = "9"
    & skf18("4","1","4","10","7","8","1") = "9"
    & skf18("4","1","4","10","7","9","1") = "9"
    & skf18("4","1","4","10","7","10","1") = "9"
    & skf18("4","1","4","10","8","1","1") = "9"
    & skf18("4","1","4","10","8","2","1") = "9"
    & skf18("4","1","4","10","8","3","1") = "9"
    & skf18("4","1","4","10","8","4","1") = "9"
    & skf18("4","1","4","10","8","5","1") = "9"
    & skf18("4","1","4","10","8","6","1") = "9"
    & skf18("4","1","4","10","8","7","1") = "9"
    & skf18("4","1","4","10","8","8","1") = "9"
    & skf18("4","1","4","10","8","9","1") = "9"
    & skf18("4","1","4","10","8","10","1") = "9"
    & skf18("4","1","4","10","9","1","1") = "9"
    & skf18("4","1","4","10","9","2","1") = "9"
    & skf18("4","1","4","10","9","3","1") = "9"
    & skf18("4","1","4","10","9","4","1") = "9"
    & skf18("4","1","4","10","9","5","1") = "9"
    & skf18("4","1","4","10","9","6","1") = "9"
    & skf18("4","1","4","10","9","7","1") = "9"
    & skf18("4","1","4","10","9","8","1") = "9"
    & skf18("4","1","4","10","9","9","1") = "9"
    & skf18("4","1","4","10","9","10","1") = "9"
    & skf18("4","1","4","10","10","1","1") = "9"
    & skf18("4","1","4","10","10","2","1") = "9"
    & skf18("4","1","4","10","10","3","1") = "9"
    & skf18("4","1","4","10","10","4","1") = "9"
    & skf18("4","1","4","10","10","5","1") = "9"
    & skf18("4","1","4","10","10","6","1") = "9"
    & skf18("4","1","4","10","10","7","1") = "9"
    & skf18("4","1","4","10","10","8","1") = "9"
    & skf18("4","1","4","10","10","9","1") = "9"
    & skf18("4","1","4","10","10","10","1") = "9"
    & skf18("4","1","5","1","1","1","1") = "4"
    & skf18("4","1","5","1","1","2","1") = "4"
    & skf18("4","1","5","1","1","3","1") = "4"
    & skf18("4","1","5","1","1","4","1") = "4"
    & skf18("4","1","5","1","1","5","1") = "4"
    & skf18("4","1","5","1","1","6","1") = "5"
    & skf18("4","1","5","1","1","7","1") = "6"
    & skf18("4","1","5","1","1","8","1") = "7"
    & skf18("4","1","5","1","1","9","1") = "8"
    & skf18("4","1","5","1","1","10","1") = "9"
    & skf18("4","1","5","1","2","1","1") = "4"
    & skf18("4","1","5","1","2","2","1") = "4"
    & skf18("4","1","5","1","2","3","1") = "4"
    & skf18("4","1","5","1","2","4","1") = "4"
    & skf18("4","1","5","1","2","5","1") = "4"
    & skf18("4","1","5","1","2","6","1") = "5"
    & skf18("4","1","5","1","2","7","1") = "6"
    & skf18("4","1","5","1","2","8","1") = "7"
    & skf18("4","1","5","1","2","9","1") = "8"
    & skf18("4","1","5","1","2","10","1") = "9"
    & skf18("4","1","5","1","3","1","1") = "4"
    & skf18("4","1","5","1","3","2","1") = "4"
    & skf18("4","1","5","1","3","3","1") = "4"
    & skf18("4","1","5","1","3","4","1") = "4"
    & skf18("4","1","5","1","3","5","1") = "4"
    & skf18("4","1","5","1","3","6","1") = "5"
    & skf18("4","1","5","1","3","7","1") = "6"
    & skf18("4","1","5","1","3","8","1") = "7"
    & skf18("4","1","5","1","3","9","1") = "8"
    & skf18("4","1","5","1","3","10","1") = "9"
    & skf18("4","1","5","1","4","1","1") = "4"
    & skf18("4","1","5","1","4","2","1") = "4"
    & skf18("4","1","5","1","4","3","1") = "4"
    & skf18("4","1","5","1","4","4","1") = "4"
    & skf18("4","1","5","1","4","5","1") = "4"
    & skf18("4","1","5","1","4","6","1") = "5"
    & skf18("4","1","5","1","4","7","1") = "6"
    & skf18("4","1","5","1","4","8","1") = "7"
    & skf18("4","1","5","1","4","9","1") = "8"
    & skf18("4","1","5","1","4","10","1") = "9"
    & skf18("4","1","5","1","5","1","1") = "4"
    & skf18("4","1","5","1","5","2","1") = "4"
    & skf18("4","1","5","1","5","3","1") = "4"
    & skf18("4","1","5","1","5","4","1") = "4"
    & skf18("4","1","5","1","5","5","1") = "4"
    & skf18("4","1","5","1","5","6","1") = "5"
    & skf18("4","1","5","1","5","7","1") = "6"
    & skf18("4","1","5","1","5","8","1") = "7"
    & skf18("4","1","5","1","5","9","1") = "8"
    & skf18("4","1","5","1","5","10","1") = "9"
    & skf18("4","1","5","1","6","1","1") = "5"
    & skf18("4","1","5","1","6","2","1") = "5"
    & skf18("4","1","5","1","6","3","1") = "5"
    & skf18("4","1","5","1","6","4","1") = "5"
    & skf18("4","1","5","1","6","5","1") = "5"
    & skf18("4","1","5","1","6","6","1") = "5"
    & skf18("4","1","5","1","6","7","1") = "6"
    & skf18("4","1","5","1","6","8","1") = "7"
    & skf18("4","1","5","1","6","9","1") = "8"
    & skf18("4","1","5","1","6","10","1") = "9"
    & skf18("4","1","5","1","7","1","1") = "6"
    & skf18("4","1","5","1","7","2","1") = "6"
    & skf18("4","1","5","1","7","3","1") = "6"
    & skf18("4","1","5","1","7","4","1") = "6"
    & skf18("4","1","5","1","7","5","1") = "6"
    & skf18("4","1","5","1","7","6","1") = "6"
    & skf18("4","1","5","1","7","7","1") = "6"
    & skf18("4","1","5","1","7","8","1") = "7"
    & skf18("4","1","5","1","7","9","1") = "8"
    & skf18("4","1","5","1","7","10","1") = "9"
    & skf18("4","1","5","1","8","1","1") = "7"
    & skf18("4","1","5","1","8","2","1") = "7"
    & skf18("4","1","5","1","8","3","1") = "7"
    & skf18("4","1","5","1","8","4","1") = "7"
    & skf18("4","1","5","1","8","5","1") = "7"
    & skf18("4","1","5","1","8","6","1") = "7"
    & skf18("4","1","5","1","8","7","1") = "7"
    & skf18("4","1","5","1","8","8","1") = "7"
    & skf18("4","1","5","1","8","9","1") = "8"
    & skf18("4","1","5","1","8","10","1") = "9"
    & skf18("4","1","5","1","9","1","1") = "8"
    & skf18("4","1","5","1","9","2","1") = "8"
    & skf18("4","1","5","1","9","3","1") = "8"
    & skf18("4","1","5","1","9","4","1") = "8"
    & skf18("4","1","5","1","9","5","1") = "8"
    & skf18("4","1","5","1","9","6","1") = "8"
    & skf18("4","1","5","1","9","7","1") = "8"
    & skf18("4","1","5","1","9","8","1") = "8"
    & skf18("4","1","5","1","9","9","1") = "8"
    & skf18("4","1","5","1","9","10","1") = "9"
    & skf18("4","1","5","1","10","1","1") = "9"
    & skf18("4","1","5","1","10","2","1") = "9"
    & skf18("4","1","5","1","10","3","1") = "9"
    & skf18("4","1","5","1","10","4","1") = "9"
    & skf18("4","1","5","1","10","5","1") = "9"
    & skf18("4","1","5","1","10","6","1") = "9"
    & skf18("4","1","5","1","10","7","1") = "9"
    & skf18("4","1","5","1","10","8","1") = "9"
    & skf18("4","1","5","1","10","9","1") = "9"
    & skf18("4","1","5","1","10","10","1") = "9"
    & skf18("4","1","5","2","1","1","1") = "4"
    & skf18("4","1","5","2","1","2","1") = "4"
    & skf18("4","1","5","2","1","3","1") = "4"
    & skf18("4","1","5","2","1","4","1") = "4"
    & skf18("4","1","5","2","1","5","1") = "4"
    & skf18("4","1","5","2","1","6","1") = "5"
    & skf18("4","1","5","2","1","7","1") = "6"
    & skf18("4","1","5","2","1","8","1") = "7"
    & skf18("4","1","5","2","1","9","1") = "8"
    & skf18("4","1","5","2","1","10","1") = "9"
    & skf18("4","1","5","2","2","1","1") = "4"
    & skf18("4","1","5","2","2","2","1") = "4"
    & skf18("4","1","5","2","2","3","1") = "4"
    & skf18("4","1","5","2","2","4","1") = "4"
    & skf18("4","1","5","2","2","5","1") = "4"
    & skf18("4","1","5","2","2","6","1") = "5"
    & skf18("4","1","5","2","2","7","1") = "6"
    & skf18("4","1","5","2","2","8","1") = "7"
    & skf18("4","1","5","2","2","9","1") = "8"
    & skf18("4","1","5","2","2","10","1") = "9"
    & skf18("4","1","5","2","3","1","1") = "4"
    & skf18("4","1","5","2","3","2","1") = "4"
    & skf18("4","1","5","2","3","3","1") = "4"
    & skf18("4","1","5","2","3","4","1") = "4"
    & skf18("4","1","5","2","3","5","1") = "4"
    & skf18("4","1","5","2","3","6","1") = "5"
    & skf18("4","1","5","2","3","7","1") = "6"
    & skf18("4","1","5","2","3","8","1") = "7"
    & skf18("4","1","5","2","3","9","1") = "8"
    & skf18("4","1","5","2","3","10","1") = "9"
    & skf18("4","1","5","2","4","1","1") = "4"
    & skf18("4","1","5","2","4","2","1") = "4"
    & skf18("4","1","5","2","4","3","1") = "4"
    & skf18("4","1","5","2","4","4","1") = "4"
    & skf18("4","1","5","2","4","5","1") = "4"
    & skf18("4","1","5","2","4","6","1") = "5"
    & skf18("4","1","5","2","4","7","1") = "6"
    & skf18("4","1","5","2","4","8","1") = "7"
    & skf18("4","1","5","2","4","9","1") = "8"
    & skf18("4","1","5","2","4","10","1") = "9"
    & skf18("4","1","5","2","5","1","1") = "4"
    & skf18("4","1","5","2","5","2","1") = "4"
    & skf18("4","1","5","2","5","3","1") = "4"
    & skf18("4","1","5","2","5","4","1") = "4"
    & skf18("4","1","5","2","5","5","1") = "4"
    & skf18("4","1","5","2","5","6","1") = "5"
    & skf18("4","1","5","2","5","7","1") = "6"
    & skf18("4","1","5","2","5","8","1") = "7"
    & skf18("4","1","5","2","5","9","1") = "8"
    & skf18("4","1","5","2","5","10","1") = "9"
    & skf18("4","1","5","2","6","1","1") = "5"
    & skf18("4","1","5","2","6","2","1") = "5"
    & skf18("4","1","5","2","6","3","1") = "5"
    & skf18("4","1","5","2","6","4","1") = "5"
    & skf18("4","1","5","2","6","5","1") = "5"
    & skf18("4","1","5","2","6","6","1") = "5"
    & skf18("4","1","5","2","6","7","1") = "6"
    & skf18("4","1","5","2","6","8","1") = "7"
    & skf18("4","1","5","2","6","9","1") = "8"
    & skf18("4","1","5","2","6","10","1") = "9"
    & skf18("4","1","5","2","7","1","1") = "6"
    & skf18("4","1","5","2","7","2","1") = "6"
    & skf18("4","1","5","2","7","3","1") = "6"
    & skf18("4","1","5","2","7","4","1") = "6"
    & skf18("4","1","5","2","7","5","1") = "6"
    & skf18("4","1","5","2","7","6","1") = "6"
    & skf18("4","1","5","2","7","7","1") = "6"
    & skf18("4","1","5","2","7","8","1") = "7"
    & skf18("4","1","5","2","7","9","1") = "8"
    & skf18("4","1","5","2","7","10","1") = "9"
    & skf18("4","1","5","2","8","1","1") = "7"
    & skf18("4","1","5","2","8","2","1") = "7"
    & skf18("4","1","5","2","8","3","1") = "7"
    & skf18("4","1","5","2","8","4","1") = "7"
    & skf18("4","1","5","2","8","5","1") = "7"
    & skf18("4","1","5","2","8","6","1") = "7"
    & skf18("4","1","5","2","8","7","1") = "7"
    & skf18("4","1","5","2","8","8","1") = "7"
    & skf18("4","1","5","2","8","9","1") = "8"
    & skf18("4","1","5","2","8","10","1") = "9"
    & skf18("4","1","5","2","9","1","1") = "8"
    & skf18("4","1","5","2","9","2","1") = "8"
    & skf18("4","1","5","2","9","3","1") = "8"
    & skf18("4","1","5","2","9","4","1") = "8"
    & skf18("4","1","5","2","9","5","1") = "8"
    & skf18("4","1","5","2","9","6","1") = "8"
    & skf18("4","1","5","2","9","7","1") = "8"
    & skf18("4","1","5","2","9","8","1") = "8"
    & skf18("4","1","5","2","9","9","1") = "8"
    & skf18("4","1","5","2","9","10","1") = "9"
    & skf18("4","1","5","2","10","1","1") = "9"
    & skf18("4","1","5","2","10","2","1") = "9"
    & skf18("4","1","5","2","10","3","1") = "9"
    & skf18("4","1","5","2","10","4","1") = "9"
    & skf18("4","1","5","2","10","5","1") = "9"
    & skf18("4","1","5","2","10","6","1") = "9"
    & skf18("4","1","5","2","10","7","1") = "9"
    & skf18("4","1","5","2","10","8","1") = "9"
    & skf18("4","1","5","2","10","9","1") = "9"
    & skf18("4","1","5","2","10","10","1") = "9"
    & skf18("4","1","5","3","1","1","1") = "4"
    & skf18("4","1","5","3","1","2","1") = "4"
    & skf18("4","1","5","3","1","3","1") = "4"
    & skf18("4","1","5","3","1","4","1") = "4"
    & skf18("4","1","5","3","1","5","1") = "4"
    & skf18("4","1","5","3","1","6","1") = "5"
    & skf18("4","1","5","3","1","7","1") = "6"
    & skf18("4","1","5","3","1","8","1") = "7"
    & skf18("4","1","5","3","1","9","1") = "8"
    & skf18("4","1","5","3","1","10","1") = "9"
    & skf18("4","1","5","3","2","1","1") = "4"
    & skf18("4","1","5","3","2","2","1") = "4"
    & skf18("4","1","5","3","2","3","1") = "4"
    & skf18("4","1","5","3","2","4","1") = "4"
    & skf18("4","1","5","3","2","5","1") = "4"
    & skf18("4","1","5","3","2","6","1") = "5"
    & skf18("4","1","5","3","2","7","1") = "6"
    & skf18("4","1","5","3","2","8","1") = "7"
    & skf18("4","1","5","3","2","9","1") = "8"
    & skf18("4","1","5","3","2","10","1") = "9"
    & skf18("4","1","5","3","3","1","1") = "4"
    & skf18("4","1","5","3","3","2","1") = "4"
    & skf18("4","1","5","3","3","3","1") = "4"
    & skf18("4","1","5","3","3","4","1") = "4"
    & skf18("4","1","5","3","3","5","1") = "4"
    & skf18("4","1","5","3","3","6","1") = "5"
    & skf18("4","1","5","3","3","7","1") = "6"
    & skf18("4","1","5","3","3","8","1") = "7"
    & skf18("4","1","5","3","3","9","1") = "8"
    & skf18("4","1","5","3","3","10","1") = "9"
    & skf18("4","1","5","3","4","1","1") = "4"
    & skf18("4","1","5","3","4","2","1") = "4"
    & skf18("4","1","5","3","4","3","1") = "4"
    & skf18("4","1","5","3","4","4","1") = "4"
    & skf18("4","1","5","3","4","5","1") = "4"
    & skf18("4","1","5","3","4","6","1") = "5"
    & skf18("4","1","5","3","4","7","1") = "6"
    & skf18("4","1","5","3","4","8","1") = "7"
    & skf18("4","1","5","3","4","9","1") = "8"
    & skf18("4","1","5","3","4","10","1") = "9"
    & skf18("4","1","5","3","5","1","1") = "4"
    & skf18("4","1","5","3","5","2","1") = "4"
    & skf18("4","1","5","3","5","3","1") = "4"
    & skf18("4","1","5","3","5","4","1") = "4"
    & skf18("4","1","5","3","5","5","1") = "4"
    & skf18("4","1","5","3","5","6","1") = "5"
    & skf18("4","1","5","3","5","7","1") = "6"
    & skf18("4","1","5","3","5","8","1") = "7"
    & skf18("4","1","5","3","5","9","1") = "8"
    & skf18("4","1","5","3","5","10","1") = "9"
    & skf18("4","1","5","3","6","1","1") = "5"
    & skf18("4","1","5","3","6","2","1") = "5"
    & skf18("4","1","5","3","6","3","1") = "5"
    & skf18("4","1","5","3","6","4","1") = "5"
    & skf18("4","1","5","3","6","5","1") = "5"
    & skf18("4","1","5","3","6","6","1") = "5"
    & skf18("4","1","5","3","6","7","1") = "6"
    & skf18("4","1","5","3","6","8","1") = "7"
    & skf18("4","1","5","3","6","9","1") = "8"
    & skf18("4","1","5","3","6","10","1") = "9"
    & skf18("4","1","5","3","7","1","1") = "6"
    & skf18("4","1","5","3","7","2","1") = "6"
    & skf18("4","1","5","3","7","3","1") = "6"
    & skf18("4","1","5","3","7","4","1") = "6"
    & skf18("4","1","5","3","7","5","1") = "6"
    & skf18("4","1","5","3","7","6","1") = "6"
    & skf18("4","1","5","3","7","7","1") = "6"
    & skf18("4","1","5","3","7","8","1") = "7"
    & skf18("4","1","5","3","7","9","1") = "8"
    & skf18("4","1","5","3","7","10","1") = "9"
    & skf18("4","1","5","3","8","1","1") = "7"
    & skf18("4","1","5","3","8","2","1") = "7"
    & skf18("4","1","5","3","8","3","1") = "7"
    & skf18("4","1","5","3","8","4","1") = "7"
    & skf18("4","1","5","3","8","5","1") = "7"
    & skf18("4","1","5","3","8","6","1") = "7"
    & skf18("4","1","5","3","8","7","1") = "7"
    & skf18("4","1","5","3","8","8","1") = "7"
    & skf18("4","1","5","3","8","9","1") = "8"
    & skf18("4","1","5","3","8","10","1") = "9"
    & skf18("4","1","5","3","9","1","1") = "8"
    & skf18("4","1","5","3","9","2","1") = "8"
    & skf18("4","1","5","3","9","3","1") = "8"
    & skf18("4","1","5","3","9","4","1") = "8"
    & skf18("4","1","5","3","9","5","1") = "8"
    & skf18("4","1","5","3","9","6","1") = "8"
    & skf18("4","1","5","3","9","7","1") = "8"
    & skf18("4","1","5","3","9","8","1") = "8"
    & skf18("4","1","5","3","9","9","1") = "8"
    & skf18("4","1","5","3","9","10","1") = "9"
    & skf18("4","1","5","3","10","1","1") = "9"
    & skf18("4","1","5","3","10","2","1") = "9"
    & skf18("4","1","5","3","10","3","1") = "9"
    & skf18("4","1","5","3","10","4","1") = "9"
    & skf18("4","1","5","3","10","5","1") = "9"
    & skf18("4","1","5","3","10","6","1") = "9"
    & skf18("4","1","5","3","10","7","1") = "9"
    & skf18("4","1","5","3","10","8","1") = "9"
    & skf18("4","1","5","3","10","9","1") = "9"
    & skf18("4","1","5","3","10","10","1") = "9"
    & skf18("4","1","5","4","1","1","1") = "4"
    & skf18("4","1","5","4","1","2","1") = "4"
    & skf18("4","1","5","4","1","3","1") = "4"
    & skf18("4","1","5","4","1","4","1") = "4"
    & skf18("4","1","5","4","1","5","1") = "4"
    & skf18("4","1","5","4","1","6","1") = "5"
    & skf18("4","1","5","4","1","7","1") = "6"
    & skf18("4","1","5","4","1","8","1") = "7"
    & skf18("4","1","5","4","1","9","1") = "8"
    & skf18("4","1","5","4","1","10","1") = "9"
    & skf18("4","1","5","4","2","1","1") = "4"
    & skf18("4","1","5","4","2","2","1") = "4"
    & skf18("4","1","5","4","2","3","1") = "4"
    & skf18("4","1","5","4","2","4","1") = "4"
    & skf18("4","1","5","4","2","5","1") = "4"
    & skf18("4","1","5","4","2","6","1") = "5"
    & skf18("4","1","5","4","2","7","1") = "6"
    & skf18("4","1","5","4","2","8","1") = "7"
    & skf18("4","1","5","4","2","9","1") = "8"
    & skf18("4","1","5","4","2","10","1") = "9"
    & skf18("4","1","5","4","3","1","1") = "4"
    & skf18("4","1","5","4","3","2","1") = "4"
    & skf18("4","1","5","4","3","3","1") = "4"
    & skf18("4","1","5","4","3","4","1") = "4"
    & skf18("4","1","5","4","3","5","1") = "4"
    & skf18("4","1","5","4","3","6","1") = "5"
    & skf18("4","1","5","4","3","7","1") = "6"
    & skf18("4","1","5","4","3","8","1") = "7"
    & skf18("4","1","5","4","3","9","1") = "8"
    & skf18("4","1","5","4","3","10","1") = "9"
    & skf18("4","1","5","4","4","1","1") = "4"
    & skf18("4","1","5","4","4","2","1") = "4"
    & skf18("4","1","5","4","4","3","1") = "4"
    & skf18("4","1","5","4","4","4","1") = "4"
    & skf18("4","1","5","4","4","5","1") = "4"
    & skf18("4","1","5","4","4","6","1") = "5"
    & skf18("4","1","5","4","4","7","1") = "6"
    & skf18("4","1","5","4","4","8","1") = "7"
    & skf18("4","1","5","4","4","9","1") = "8"
    & skf18("4","1","5","4","4","10","1") = "9"
    & skf18("4","1","5","4","5","1","1") = "4"
    & skf18("4","1","5","4","5","2","1") = "4"
    & skf18("4","1","5","4","5","3","1") = "4"
    & skf18("4","1","5","4","5","4","1") = "4"
    & skf18("4","1","5","4","5","5","1") = "4"
    & skf18("4","1","5","4","5","6","1") = "5"
    & skf18("4","1","5","4","5","7","1") = "6"
    & skf18("4","1","5","4","5","8","1") = "7"
    & skf18("4","1","5","4","5","9","1") = "8"
    & skf18("4","1","5","4","5","10","1") = "9"
    & skf18("4","1","5","4","6","1","1") = "5"
    & skf18("4","1","5","4","6","2","1") = "5"
    & skf18("4","1","5","4","6","3","1") = "5"
    & skf18("4","1","5","4","6","4","1") = "5"
    & skf18("4","1","5","4","6","5","1") = "5"
    & skf18("4","1","5","4","6","6","1") = "5"
    & skf18("4","1","5","4","6","7","1") = "6"
    & skf18("4","1","5","4","6","8","1") = "7"
    & skf18("4","1","5","4","6","9","1") = "8"
    & skf18("4","1","5","4","6","10","1") = "9"
    & skf18("4","1","5","4","7","1","1") = "6"
    & skf18("4","1","5","4","7","2","1") = "6"
    & skf18("4","1","5","4","7","3","1") = "6"
    & skf18("4","1","5","4","7","4","1") = "6"
    & skf18("4","1","5","4","7","5","1") = "6"
    & skf18("4","1","5","4","7","6","1") = "6"
    & skf18("4","1","5","4","7","7","1") = "6"
    & skf18("4","1","5","4","7","8","1") = "7"
    & skf18("4","1","5","4","7","9","1") = "8"
    & skf18("4","1","5","4","7","10","1") = "9"
    & skf18("4","1","5","4","8","1","1") = "7"
    & skf18("4","1","5","4","8","2","1") = "7"
    & skf18("4","1","5","4","8","3","1") = "7"
    & skf18("4","1","5","4","8","4","1") = "7"
    & skf18("4","1","5","4","8","5","1") = "7"
    & skf18("4","1","5","4","8","6","1") = "7"
    & skf18("4","1","5","4","8","7","1") = "7"
    & skf18("4","1","5","4","8","8","1") = "7"
    & skf18("4","1","5","4","8","9","1") = "8"
    & skf18("4","1","5","4","8","10","1") = "9"
    & skf18("4","1","5","4","9","1","1") = "8"
    & skf18("4","1","5","4","9","2","1") = "8"
    & skf18("4","1","5","4","9","3","1") = "8"
    & skf18("4","1","5","4","9","4","1") = "8"
    & skf18("4","1","5","4","9","5","1") = "8"
    & skf18("4","1","5","4","9","6","1") = "8"
    & skf18("4","1","5","4","9","7","1") = "8"
    & skf18("4","1","5","4","9","8","1") = "8"
    & skf18("4","1","5","4","9","9","1") = "8"
    & skf18("4","1","5","4","9","10","1") = "9"
    & skf18("4","1","5","4","10","1","1") = "9"
    & skf18("4","1","5","4","10","2","1") = "9"
    & skf18("4","1","5","4","10","3","1") = "9"
    & skf18("4","1","5","4","10","4","1") = "9"
    & skf18("4","1","5","4","10","5","1") = "9"
    & skf18("4","1","5","4","10","6","1") = "9"
    & skf18("4","1","5","4","10","7","1") = "9"
    & skf18("4","1","5","4","10","8","1") = "9"
    & skf18("4","1","5","4","10","9","1") = "9"
    & skf18("4","1","5","4","10","10","1") = "9"
    & skf18("4","1","5","5","1","1","1") = "4"
    & skf18("4","1","5","5","1","2","1") = "4"
    & skf18("4","1","5","5","1","3","1") = "4"
    & skf18("4","1","5","5","1","4","1") = "4"
    & skf18("4","1","5","5","1","5","1") = "4"
    & skf18("4","1","5","5","1","6","1") = "5"
    & skf18("4","1","5","5","1","7","1") = "6"
    & skf18("4","1","5","5","1","8","1") = "7"
    & skf18("4","1","5","5","1","9","1") = "8"
    & skf18("4","1","5","5","1","10","1") = "9"
    & skf18("4","1","5","5","2","1","1") = "4"
    & skf18("4","1","5","5","2","2","1") = "4"
    & skf18("4","1","5","5","2","3","1") = "4"
    & skf18("4","1","5","5","2","4","1") = "4"
    & skf18("4","1","5","5","2","5","1") = "4"
    & skf18("4","1","5","5","2","6","1") = "5"
    & skf18("4","1","5","5","2","7","1") = "6"
    & skf18("4","1","5","5","2","8","1") = "7"
    & skf18("4","1","5","5","2","9","1") = "8"
    & skf18("4","1","5","5","2","10","1") = "9"
    & skf18("4","1","5","5","3","1","1") = "4"
    & skf18("4","1","5","5","3","2","1") = "4"
    & skf18("4","1","5","5","3","3","1") = "4"
    & skf18("4","1","5","5","3","4","1") = "4"
    & skf18("4","1","5","5","3","5","1") = "4"
    & skf18("4","1","5","5","3","6","1") = "5"
    & skf18("4","1","5","5","3","7","1") = "6"
    & skf18("4","1","5","5","3","8","1") = "7"
    & skf18("4","1","5","5","3","9","1") = "8"
    & skf18("4","1","5","5","3","10","1") = "9"
    & skf18("4","1","5","5","4","1","1") = "4"
    & skf18("4","1","5","5","4","2","1") = "4"
    & skf18("4","1","5","5","4","3","1") = "4"
    & skf18("4","1","5","5","4","4","1") = "4"
    & skf18("4","1","5","5","4","5","1") = "4"
    & skf18("4","1","5","5","4","6","1") = "5"
    & skf18("4","1","5","5","4","7","1") = "6"
    & skf18("4","1","5","5","4","8","1") = "7"
    & skf18("4","1","5","5","4","9","1") = "8"
    & skf18("4","1","5","5","4","10","1") = "9"
    & skf18("4","1","5","5","5","1","1") = "4"
    & skf18("4","1","5","5","5","2","1") = "4"
    & skf18("4","1","5","5","5","3","1") = "4"
    & skf18("4","1","5","5","5","4","1") = "4"
    & skf18("4","1","5","5","5","5","1") = "4"
    & skf18("4","1","5","5","5","6","1") = "5"
    & skf18("4","1","5","5","5","7","1") = "6"
    & skf18("4","1","5","5","5","8","1") = "7"
    & skf18("4","1","5","5","5","9","1") = "8"
    & skf18("4","1","5","5","5","10","1") = "9"
    & skf18("4","1","5","5","6","1","1") = "5"
    & skf18("4","1","5","5","6","2","1") = "5"
    & skf18("4","1","5","5","6","3","1") = "5"
    & skf18("4","1","5","5","6","4","1") = "5"
    & skf18("4","1","5","5","6","5","1") = "5"
    & skf18("4","1","5","5","6","6","1") = "5"
    & skf18("4","1","5","5","6","7","1") = "6"
    & skf18("4","1","5","5","6","8","1") = "7"
    & skf18("4","1","5","5","6","9","1") = "8"
    & skf18("4","1","5","5","6","10","1") = "9"
    & skf18("4","1","5","5","7","1","1") = "6"
    & skf18("4","1","5","5","7","2","1") = "6"
    & skf18("4","1","5","5","7","3","1") = "6"
    & skf18("4","1","5","5","7","4","1") = "6"
    & skf18("4","1","5","5","7","5","1") = "6"
    & skf18("4","1","5","5","7","6","1") = "6"
    & skf18("4","1","5","5","7","7","1") = "6"
    & skf18("4","1","5","5","7","8","1") = "7"
    & skf18("4","1","5","5","7","9","1") = "8"
    & skf18("4","1","5","5","7","10","1") = "9"
    & skf18("4","1","5","5","8","1","1") = "7"
    & skf18("4","1","5","5","8","2","1") = "7"
    & skf18("4","1","5","5","8","3","1") = "7"
    & skf18("4","1","5","5","8","4","1") = "7"
    & skf18("4","1","5","5","8","5","1") = "7"
    & skf18("4","1","5","5","8","6","1") = "7"
    & skf18("4","1","5","5","8","7","1") = "7"
    & skf18("4","1","5","5","8","8","1") = "7"
    & skf18("4","1","5","5","8","9","1") = "8"
    & skf18("4","1","5","5","8","10","1") = "9"
    & skf18("4","1","5","5","9","1","1") = "8"
    & skf18("4","1","5","5","9","2","1") = "8"
    & skf18("4","1","5","5","9","3","1") = "8"
    & skf18("4","1","5","5","9","4","1") = "8"
    & skf18("4","1","5","5","9","5","1") = "8"
    & skf18("4","1","5","5","9","6","1") = "8"
    & skf18("4","1","5","5","9","7","1") = "8"
    & skf18("4","1","5","5","9","8","1") = "8"
    & skf18("4","1","5","5","9","9","1") = "8"
    & skf18("4","1","5","5","9","10","1") = "9"
    & skf18("4","1","5","5","10","1","1") = "9"
    & skf18("4","1","5","5","10","2","1") = "9"
    & skf18("4","1","5","5","10","3","1") = "9"
    & skf18("4","1","5","5","10","4","1") = "9"
    & skf18("4","1","5","5","10","5","1") = "9"
    & skf18("4","1","5","5","10","6","1") = "9"
    & skf18("4","1","5","5","10","7","1") = "9"
    & skf18("4","1","5","5","10","8","1") = "9"
    & skf18("4","1","5","5","10","9","1") = "9"
    & skf18("4","1","5","5","10","10","1") = "9"
    & skf18("4","1","5","6","1","1","1") = "5"
    & skf18("4","1","5","6","1","2","1") = "5"
    & skf18("4","1","5","6","1","3","1") = "5"
    & skf18("4","1","5","6","1","4","1") = "5"
    & skf18("4","1","5","6","1","5","1") = "5"
    & skf18("4","1","5","6","1","6","1") = "5"
    & skf18("4","1","5","6","1","7","1") = "6"
    & skf18("4","1","5","6","1","8","1") = "7"
    & skf18("4","1","5","6","1","9","1") = "8"
    & skf18("4","1","5","6","1","10","1") = "9"
    & skf18("4","1","5","6","2","1","1") = "5"
    & skf18("4","1","5","6","2","2","1") = "5"
    & skf18("4","1","5","6","2","3","1") = "5"
    & skf18("4","1","5","6","2","4","1") = "5"
    & skf18("4","1","5","6","2","5","1") = "5"
    & skf18("4","1","5","6","2","6","1") = "5"
    & skf18("4","1","5","6","2","7","1") = "6"
    & skf18("4","1","5","6","2","8","1") = "7"
    & skf18("4","1","5","6","2","9","1") = "8"
    & skf18("4","1","5","6","2","10","1") = "9"
    & skf18("4","1","5","6","3","1","1") = "5"
    & skf18("4","1","5","6","3","2","1") = "5"
    & skf18("4","1","5","6","3","3","1") = "5"
    & skf18("4","1","5","6","3","4","1") = "5"
    & skf18("4","1","5","6","3","5","1") = "5"
    & skf18("4","1","5","6","3","6","1") = "5"
    & skf18("4","1","5","6","3","7","1") = "6"
    & skf18("4","1","5","6","3","8","1") = "7"
    & skf18("4","1","5","6","3","9","1") = "8"
    & skf18("4","1","5","6","3","10","1") = "9"
    & skf18("4","1","5","6","4","1","1") = "5"
    & skf18("4","1","5","6","4","2","1") = "5"
    & skf18("4","1","5","6","4","3","1") = "5"
    & skf18("4","1","5","6","4","4","1") = "5"
    & skf18("4","1","5","6","4","5","1") = "5"
    & skf18("4","1","5","6","4","6","1") = "5"
    & skf18("4","1","5","6","4","7","1") = "6"
    & skf18("4","1","5","6","4","8","1") = "7"
    & skf18("4","1","5","6","4","9","1") = "8"
    & skf18("4","1","5","6","4","10","1") = "9"
    & skf18("4","1","5","6","5","1","1") = "5"
    & skf18("4","1","5","6","5","2","1") = "5"
    & skf18("4","1","5","6","5","3","1") = "5"
    & skf18("4","1","5","6","5","4","1") = "5"
    & skf18("4","1","5","6","5","5","1") = "5"
    & skf18("4","1","5","6","5","6","1") = "5"
    & skf18("4","1","5","6","5","7","1") = "6"
    & skf18("4","1","5","6","5","8","1") = "7"
    & skf18("4","1","5","6","5","9","1") = "8"
    & skf18("4","1","5","6","5","10","1") = "9"
    & skf18("4","1","5","6","6","1","1") = "5"
    & skf18("4","1","5","6","6","2","1") = "5"
    & skf18("4","1","5","6","6","3","1") = "5"
    & skf18("4","1","5","6","6","4","1") = "5"
    & skf18("4","1","5","6","6","5","1") = "5"
    & skf18("4","1","5","6","6","6","1") = "5"
    & skf18("4","1","5","6","6","7","1") = "6"
    & skf18("4","1","5","6","6","8","1") = "7"
    & skf18("4","1","5","6","6","9","1") = "8"
    & skf18("4","1","5","6","6","10","1") = "9"
    & skf18("4","1","5","6","7","1","1") = "6"
    & skf18("4","1","5","6","7","2","1") = "6"
    & skf18("4","1","5","6","7","3","1") = "6"
    & skf18("4","1","5","6","7","4","1") = "6"
    & skf18("4","1","5","6","7","5","1") = "6"
    & skf18("4","1","5","6","7","6","1") = "6"
    & skf18("4","1","5","6","7","7","1") = "6"
    & skf18("4","1","5","6","7","8","1") = "7"
    & skf18("4","1","5","6","7","9","1") = "8"
    & skf18("4","1","5","6","7","10","1") = "9"
    & skf18("4","1","5","6","8","1","1") = "7"
    & skf18("4","1","5","6","8","2","1") = "7"
    & skf18("4","1","5","6","8","3","1") = "7"
    & skf18("4","1","5","6","8","4","1") = "7"
    & skf18("4","1","5","6","8","5","1") = "7"
    & skf18("4","1","5","6","8","6","1") = "7"
    & skf18("4","1","5","6","8","7","1") = "7"
    & skf18("4","1","5","6","8","8","1") = "7"
    & skf18("4","1","5","6","8","9","1") = "8"
    & skf18("4","1","5","6","8","10","1") = "9"
    & skf18("4","1","5","6","9","1","1") = "8"
    & skf18("4","1","5","6","9","2","1") = "8"
    & skf18("4","1","5","6","9","3","1") = "8"
    & skf18("4","1","5","6","9","4","1") = "8"
    & skf18("4","1","5","6","9","5","1") = "8"
    & skf18("4","1","5","6","9","6","1") = "8"
    & skf18("4","1","5","6","9","7","1") = "8"
    & skf18("4","1","5","6","9","8","1") = "8"
    & skf18("4","1","5","6","9","9","1") = "8"
    & skf18("4","1","5","6","9","10","1") = "9"
    & skf18("4","1","5","6","10","1","1") = "9"
    & skf18("4","1","5","6","10","2","1") = "9"
    & skf18("4","1","5","6","10","3","1") = "9"
    & skf18("4","1","5","6","10","4","1") = "9"
    & skf18("4","1","5","6","10","5","1") = "9"
    & skf18("4","1","5","6","10","6","1") = "9"
    & skf18("4","1","5","6","10","7","1") = "9"
    & skf18("4","1","5","6","10","8","1") = "9"
    & skf18("4","1","5","6","10","9","1") = "9"
    & skf18("4","1","5","6","10","10","1") = "9"
    & skf18("4","1","5","7","1","1","1") = "6"
    & skf18("4","1","5","7","1","2","1") = "6"
    & skf18("4","1","5","7","1","3","1") = "6"
    & skf18("4","1","5","7","1","4","1") = "6"
    & skf18("4","1","5","7","1","5","1") = "6"
    & skf18("4","1","5","7","1","6","1") = "6"
    & skf18("4","1","5","7","1","7","1") = "6"
    & skf18("4","1","5","7","1","8","1") = "7"
    & skf18("4","1","5","7","1","9","1") = "8"
    & skf18("4","1","5","7","1","10","1") = "9"
    & skf18("4","1","5","7","2","1","1") = "6"
    & skf18("4","1","5","7","2","2","1") = "6"
    & skf18("4","1","5","7","2","3","1") = "6"
    & skf18("4","1","5","7","2","4","1") = "6"
    & skf18("4","1","5","7","2","5","1") = "6"
    & skf18("4","1","5","7","2","6","1") = "6"
    & skf18("4","1","5","7","2","7","1") = "6"
    & skf18("4","1","5","7","2","8","1") = "7"
    & skf18("4","1","5","7","2","9","1") = "8"
    & skf18("4","1","5","7","2","10","1") = "9"
    & skf18("4","1","5","7","3","1","1") = "6"
    & skf18("4","1","5","7","3","2","1") = "6"
    & skf18("4","1","5","7","3","3","1") = "6"
    & skf18("4","1","5","7","3","4","1") = "6"
    & skf18("4","1","5","7","3","5","1") = "6"
    & skf18("4","1","5","7","3","6","1") = "6"
    & skf18("4","1","5","7","3","7","1") = "6"
    & skf18("4","1","5","7","3","8","1") = "7"
    & skf18("4","1","5","7","3","9","1") = "8"
    & skf18("4","1","5","7","3","10","1") = "9"
    & skf18("4","1","5","7","4","1","1") = "6"
    & skf18("4","1","5","7","4","2","1") = "6"
    & skf18("4","1","5","7","4","3","1") = "6"
    & skf18("4","1","5","7","4","4","1") = "6"
    & skf18("4","1","5","7","4","5","1") = "6"
    & skf18("4","1","5","7","4","6","1") = "6"
    & skf18("4","1","5","7","4","7","1") = "6"
    & skf18("4","1","5","7","4","8","1") = "7"
    & skf18("4","1","5","7","4","9","1") = "8"
    & skf18("4","1","5","7","4","10","1") = "9"
    & skf18("4","1","5","7","5","1","1") = "6"
    & skf18("4","1","5","7","5","2","1") = "6"
    & skf18("4","1","5","7","5","3","1") = "6"
    & skf18("4","1","5","7","5","4","1") = "6"
    & skf18("4","1","5","7","5","5","1") = "6"
    & skf18("4","1","5","7","5","6","1") = "6"
    & skf18("4","1","5","7","5","7","1") = "6"
    & skf18("4","1","5","7","5","8","1") = "7"
    & skf18("4","1","5","7","5","9","1") = "8"
    & skf18("4","1","5","7","5","10","1") = "9"
    & skf18("4","1","5","7","6","1","1") = "6"
    & skf18("4","1","5","7","6","2","1") = "6"
    & skf18("4","1","5","7","6","3","1") = "6"
    & skf18("4","1","5","7","6","4","1") = "6"
    & skf18("4","1","5","7","6","5","1") = "6"
    & skf18("4","1","5","7","6","6","1") = "6"
    & skf18("4","1","5","7","6","7","1") = "6"
    & skf18("4","1","5","7","6","8","1") = "7"
    & skf18("4","1","5","7","6","9","1") = "8"
    & skf18("4","1","5","7","6","10","1") = "9"
    & skf18("4","1","5","7","7","1","1") = "6"
    & skf18("4","1","5","7","7","2","1") = "6"
    & skf18("4","1","5","7","7","3","1") = "6"
    & skf18("4","1","5","7","7","4","1") = "6"
    & skf18("4","1","5","7","7","5","1") = "6"
    & skf18("4","1","5","7","7","6","1") = "6"
    & skf18("4","1","5","7","7","7","1") = "6"
    & skf18("4","1","5","7","7","8","1") = "7"
    & skf18("4","1","5","7","7","9","1") = "8"
    & skf18("4","1","5","7","7","10","1") = "9"
    & skf18("4","1","5","7","8","1","1") = "7"
    & skf18("4","1","5","7","8","2","1") = "7"
    & skf18("4","1","5","7","8","3","1") = "7"
    & skf18("4","1","5","7","8","4","1") = "7"
    & skf18("4","1","5","7","8","5","1") = "7"
    & skf18("4","1","5","7","8","6","1") = "7"
    & skf18("4","1","5","7","8","7","1") = "7"
    & skf18("4","1","5","7","8","8","1") = "7"
    & skf18("4","1","5","7","8","9","1") = "8"
    & skf18("4","1","5","7","8","10","1") = "9"
    & skf18("4","1","5","7","9","1","1") = "8"
    & skf18("4","1","5","7","9","2","1") = "8"
    & skf18("4","1","5","7","9","3","1") = "8"
    & skf18("4","1","5","7","9","4","1") = "8"
    & skf18("4","1","5","7","9","5","1") = "8"
    & skf18("4","1","5","7","9","6","1") = "8"
    & skf18("4","1","5","7","9","7","1") = "8"
    & skf18("4","1","5","7","9","8","1") = "8"
    & skf18("4","1","5","7","9","9","1") = "8"
    & skf18("4","1","5","7","9","10","1") = "9"
    & skf18("4","1","5","7","10","1","1") = "9"
    & skf18("4","1","5","7","10","2","1") = "9"
    & skf18("4","1","5","7","10","3","1") = "9"
    & skf18("4","1","5","7","10","4","1") = "9"
    & skf18("4","1","5","7","10","5","1") = "9"
    & skf18("4","1","5","7","10","6","1") = "9"
    & skf18("4","1","5","7","10","7","1") = "9"
    & skf18("4","1","5","7","10","8","1") = "9"
    & skf18("4","1","5","7","10","9","1") = "9"
    & skf18("4","1","5","7","10","10","1") = "9"
    & skf18("4","1","5","8","1","1","1") = "7"
    & skf18("4","1","5","8","1","2","1") = "7"
    & skf18("4","1","5","8","1","3","1") = "7"
    & skf18("4","1","5","8","1","4","1") = "7"
    & skf18("4","1","5","8","1","5","1") = "7"
    & skf18("4","1","5","8","1","6","1") = "7"
    & skf18("4","1","5","8","1","7","1") = "7"
    & skf18("4","1","5","8","1","8","1") = "7"
    & skf18("4","1","5","8","1","9","1") = "8"
    & skf18("4","1","5","8","1","10","1") = "9"
    & skf18("4","1","5","8","2","1","1") = "7"
    & skf18("4","1","5","8","2","2","1") = "7"
    & skf18("4","1","5","8","2","3","1") = "7"
    & skf18("4","1","5","8","2","4","1") = "7"
    & skf18("4","1","5","8","2","5","1") = "7"
    & skf18("4","1","5","8","2","6","1") = "7"
    & skf18("4","1","5","8","2","7","1") = "7"
    & skf18("4","1","5","8","2","8","1") = "7"
    & skf18("4","1","5","8","2","9","1") = "8"
    & skf18("4","1","5","8","2","10","1") = "9"
    & skf18("4","1","5","8","3","1","1") = "7"
    & skf18("4","1","5","8","3","2","1") = "7"
    & skf18("4","1","5","8","3","3","1") = "7"
    & skf18("4","1","5","8","3","4","1") = "7"
    & skf18("4","1","5","8","3","5","1") = "7"
    & skf18("4","1","5","8","3","6","1") = "7"
    & skf18("4","1","5","8","3","7","1") = "7"
    & skf18("4","1","5","8","3","8","1") = "7"
    & skf18("4","1","5","8","3","9","1") = "8"
    & skf18("4","1","5","8","3","10","1") = "9"
    & skf18("4","1","5","8","4","1","1") = "7"
    & skf18("4","1","5","8","4","2","1") = "7"
    & skf18("4","1","5","8","4","3","1") = "7"
    & skf18("4","1","5","8","4","4","1") = "7"
    & skf18("4","1","5","8","4","5","1") = "7"
    & skf18("4","1","5","8","4","6","1") = "7"
    & skf18("4","1","5","8","4","7","1") = "7"
    & skf18("4","1","5","8","4","8","1") = "7"
    & skf18("4","1","5","8","4","9","1") = "8"
    & skf18("4","1","5","8","4","10","1") = "9"
    & skf18("4","1","5","8","5","1","1") = "7"
    & skf18("4","1","5","8","5","2","1") = "7"
    & skf18("4","1","5","8","5","3","1") = "7"
    & skf18("4","1","5","8","5","4","1") = "7"
    & skf18("4","1","5","8","5","5","1") = "7"
    & skf18("4","1","5","8","5","6","1") = "7"
    & skf18("4","1","5","8","5","7","1") = "7"
    & skf18("4","1","5","8","5","8","1") = "7"
    & skf18("4","1","5","8","5","9","1") = "8"
    & skf18("4","1","5","8","5","10","1") = "9"
    & skf18("4","1","5","8","6","1","1") = "7"
    & skf18("4","1","5","8","6","2","1") = "7"
    & skf18("4","1","5","8","6","3","1") = "7"
    & skf18("4","1","5","8","6","4","1") = "7"
    & skf18("4","1","5","8","6","5","1") = "7"
    & skf18("4","1","5","8","6","6","1") = "7"
    & skf18("4","1","5","8","6","7","1") = "7"
    & skf18("4","1","5","8","6","8","1") = "7"
    & skf18("4","1","5","8","6","9","1") = "8"
    & skf18("4","1","5","8","6","10","1") = "9"
    & skf18("4","1","5","8","7","1","1") = "7"
    & skf18("4","1","5","8","7","2","1") = "7"
    & skf18("4","1","5","8","7","3","1") = "7"
    & skf18("4","1","5","8","7","4","1") = "7"
    & skf18("4","1","5","8","7","5","1") = "7"
    & skf18("4","1","5","8","7","6","1") = "7"
    & skf18("4","1","5","8","7","7","1") = "7"
    & skf18("4","1","5","8","7","8","1") = "7"
    & skf18("4","1","5","8","7","9","1") = "8"
    & skf18("4","1","5","8","7","10","1") = "9"
    & skf18("4","1","5","8","8","1","1") = "7"
    & skf18("4","1","5","8","8","2","1") = "7"
    & skf18("4","1","5","8","8","3","1") = "7"
    & skf18("4","1","5","8","8","4","1") = "7"
    & skf18("4","1","5","8","8","5","1") = "7"
    & skf18("4","1","5","8","8","6","1") = "7"
    & skf18("4","1","5","8","8","7","1") = "7"
    & skf18("4","1","5","8","8","8","1") = "7"
    & skf18("4","1","5","8","8","9","1") = "8"
    & skf18("4","1","5","8","8","10","1") = "9"
    & skf18("4","1","5","8","9","1","1") = "8"
    & skf18("4","1","5","8","9","2","1") = "8"
    & skf18("4","1","5","8","9","3","1") = "8"
    & skf18("4","1","5","8","9","4","1") = "8"
    & skf18("4","1","5","8","9","5","1") = "8"
    & skf18("4","1","5","8","9","6","1") = "8"
    & skf18("4","1","5","8","9","7","1") = "8"
    & skf18("4","1","5","8","9","8","1") = "8"
    & skf18("4","1","5","8","9","9","1") = "8"
    & skf18("4","1","5","8","9","10","1") = "9"
    & skf18("4","1","5","8","10","1","1") = "9"
    & skf18("4","1","5","8","10","2","1") = "9"
    & skf18("4","1","5","8","10","3","1") = "9"
    & skf18("4","1","5","8","10","4","1") = "9"
    & skf18("4","1","5","8","10","5","1") = "9"
    & skf18("4","1","5","8","10","6","1") = "9"
    & skf18("4","1","5","8","10","7","1") = "9"
    & skf18("4","1","5","8","10","8","1") = "9"
    & skf18("4","1","5","8","10","9","1") = "9"
    & skf18("4","1","5","8","10","10","1") = "9"
    & skf18("4","1","5","9","1","1","1") = "8"
    & skf18("4","1","5","9","1","2","1") = "8"
    & skf18("4","1","5","9","1","3","1") = "8"
    & skf18("4","1","5","9","1","4","1") = "8"
    & skf18("4","1","5","9","1","5","1") = "8"
    & skf18("4","1","5","9","1","6","1") = "8"
    & skf18("4","1","5","9","1","7","1") = "8"
    & skf18("4","1","5","9","1","8","1") = "8"
    & skf18("4","1","5","9","1","9","1") = "8"
    & skf18("4","1","5","9","1","10","1") = "9"
    & skf18("4","1","5","9","2","1","1") = "8"
    & skf18("4","1","5","9","2","2","1") = "8"
    & skf18("4","1","5","9","2","3","1") = "8"
    & skf18("4","1","5","9","2","4","1") = "8"
    & skf18("4","1","5","9","2","5","1") = "8"
    & skf18("4","1","5","9","2","6","1") = "8"
    & skf18("4","1","5","9","2","7","1") = "8"
    & skf18("4","1","5","9","2","8","1") = "8"
    & skf18("4","1","5","9","2","9","1") = "8"
    & skf18("4","1","5","9","2","10","1") = "9"
    & skf18("4","1","5","9","3","1","1") = "8"
    & skf18("4","1","5","9","3","2","1") = "8"
    & skf18("4","1","5","9","3","3","1") = "8"
    & skf18("4","1","5","9","3","4","1") = "8"
    & skf18("4","1","5","9","3","5","1") = "8"
    & skf18("4","1","5","9","3","6","1") = "8"
    & skf18("4","1","5","9","3","7","1") = "8"
    & skf18("4","1","5","9","3","8","1") = "8"
    & skf18("4","1","5","9","3","9","1") = "8"
    & skf18("4","1","5","9","3","10","1") = "9"
    & skf18("4","1","5","9","4","1","1") = "8"
    & skf18("4","1","5","9","4","2","1") = "8"
    & skf18("4","1","5","9","4","3","1") = "8"
    & skf18("4","1","5","9","4","4","1") = "8"
    & skf18("4","1","5","9","4","5","1") = "8"
    & skf18("4","1","5","9","4","6","1") = "8"
    & skf18("4","1","5","9","4","7","1") = "8"
    & skf18("4","1","5","9","4","8","1") = "8"
    & skf18("4","1","5","9","4","9","1") = "8"
    & skf18("4","1","5","9","4","10","1") = "9"
    & skf18("4","1","5","9","5","1","1") = "8"
    & skf18("4","1","5","9","5","2","1") = "8"
    & skf18("4","1","5","9","5","3","1") = "8"
    & skf18("4","1","5","9","5","4","1") = "8"
    & skf18("4","1","5","9","5","5","1") = "8"
    & skf18("4","1","5","9","5","6","1") = "8"
    & skf18("4","1","5","9","5","7","1") = "8"
    & skf18("4","1","5","9","5","8","1") = "8"
    & skf18("4","1","5","9","5","9","1") = "8"
    & skf18("4","1","5","9","5","10","1") = "9"
    & skf18("4","1","5","9","6","1","1") = "8"
    & skf18("4","1","5","9","6","2","1") = "8"
    & skf18("4","1","5","9","6","3","1") = "8"
    & skf18("4","1","5","9","6","4","1") = "8"
    & skf18("4","1","5","9","6","5","1") = "8"
    & skf18("4","1","5","9","6","6","1") = "8"
    & skf18("4","1","5","9","6","7","1") = "8"
    & skf18("4","1","5","9","6","8","1") = "8"
    & skf18("4","1","5","9","6","9","1") = "8"
    & skf18("4","1","5","9","6","10","1") = "9"
    & skf18("4","1","5","9","7","1","1") = "8"
    & skf18("4","1","5","9","7","2","1") = "8"
    & skf18("4","1","5","9","7","3","1") = "8"
    & skf18("4","1","5","9","7","4","1") = "8"
    & skf18("4","1","5","9","7","5","1") = "8"
    & skf18("4","1","5","9","7","6","1") = "8"
    & skf18("4","1","5","9","7","7","1") = "8"
    & skf18("4","1","5","9","7","8","1") = "8"
    & skf18("4","1","5","9","7","9","1") = "8"
    & skf18("4","1","5","9","7","10","1") = "9"
    & skf18("4","1","5","9","8","1","1") = "8"
    & skf18("4","1","5","9","8","2","1") = "8"
    & skf18("4","1","5","9","8","3","1") = "8"
    & skf18("4","1","5","9","8","4","1") = "8"
    & skf18("4","1","5","9","8","5","1") = "8"
    & skf18("4","1","5","9","8","6","1") = "8"
    & skf18("4","1","5","9","8","7","1") = "8"
    & skf18("4","1","5","9","8","8","1") = "8"
    & skf18("4","1","5","9","8","9","1") = "8"
    & skf18("4","1","5","9","8","10","1") = "9"
    & skf18("4","1","5","9","9","1","1") = "8"
    & skf18("4","1","5","9","9","2","1") = "8"
    & skf18("4","1","5","9","9","3","1") = "8"
    & skf18("4","1","5","9","9","4","1") = "8"
    & skf18("4","1","5","9","9","5","1") = "8"
    & skf18("4","1","5","9","9","6","1") = "8"
    & skf18("4","1","5","9","9","7","1") = "8"
    & skf18("4","1","5","9","9","8","1") = "8"
    & skf18("4","1","5","9","9","9","1") = "8"
    & skf18("4","1","5","9","9","10","1") = "9"
    & skf18("4","1","5","9","10","1","1") = "9"
    & skf18("4","1","5","9","10","2","1") = "9"
    & skf18("4","1","5","9","10","3","1") = "9"
    & skf18("4","1","5","9","10","4","1") = "9"
    & skf18("4","1","5","9","10","5","1") = "9"
    & skf18("4","1","5","9","10","6","1") = "9"
    & skf18("4","1","5","9","10","7","1") = "9"
    & skf18("4","1","5","9","10","8","1") = "9"
    & skf18("4","1","5","9","10","9","1") = "9"
    & skf18("4","1","5","9","10","10","1") = "9"
    & skf18("4","1","5","10","1","1","1") = "9"
    & skf18("4","1","5","10","1","2","1") = "9"
    & skf18("4","1","5","10","1","3","1") = "9"
    & skf18("4","1","5","10","1","4","1") = "9"
    & skf18("4","1","5","10","1","5","1") = "9"
    & skf18("4","1","5","10","1","6","1") = "9"
    & skf18("4","1","5","10","1","7","1") = "9"
    & skf18("4","1","5","10","1","8","1") = "9"
    & skf18("4","1","5","10","1","9","1") = "9"
    & skf18("4","1","5","10","1","10","1") = "9"
    & skf18("4","1","5","10","2","1","1") = "9"
    & skf18("4","1","5","10","2","2","1") = "9"
    & skf18("4","1","5","10","2","3","1") = "9"
    & skf18("4","1","5","10","2","4","1") = "9"
    & skf18("4","1","5","10","2","5","1") = "9"
    & skf18("4","1","5","10","2","6","1") = "9"
    & skf18("4","1","5","10","2","7","1") = "9"
    & skf18("4","1","5","10","2","8","1") = "9"
    & skf18("4","1","5","10","2","9","1") = "9"
    & skf18("4","1","5","10","2","10","1") = "9"
    & skf18("4","1","5","10","3","1","1") = "9"
    & skf18("4","1","5","10","3","2","1") = "9"
    & skf18("4","1","5","10","3","3","1") = "9"
    & skf18("4","1","5","10","3","4","1") = "9"
    & skf18("4","1","5","10","3","5","1") = "9"
    & skf18("4","1","5","10","3","6","1") = "9"
    & skf18("4","1","5","10","3","7","1") = "9"
    & skf18("4","1","5","10","3","8","1") = "9"
    & skf18("4","1","5","10","3","9","1") = "9"
    & skf18("4","1","5","10","3","10","1") = "9"
    & skf18("4","1","5","10","4","1","1") = "9"
    & skf18("4","1","5","10","4","2","1") = "9"
    & skf18("4","1","5","10","4","3","1") = "9"
    & skf18("4","1","5","10","4","4","1") = "9"
    & skf18("4","1","5","10","4","5","1") = "9"
    & skf18("4","1","5","10","4","6","1") = "9"
    & skf18("4","1","5","10","4","7","1") = "9"
    & skf18("4","1","5","10","4","8","1") = "9"
    & skf18("4","1","5","10","4","9","1") = "9"
    & skf18("4","1","5","10","4","10","1") = "9"
    & skf18("4","1","5","10","5","1","1") = "9"
    & skf18("4","1","5","10","5","2","1") = "9"
    & skf18("4","1","5","10","5","3","1") = "9"
    & skf18("4","1","5","10","5","4","1") = "9"
    & skf18("4","1","5","10","5","5","1") = "9"
    & skf18("4","1","5","10","5","6","1") = "9"
    & skf18("4","1","5","10","5","7","1") = "9"
    & skf18("4","1","5","10","5","8","1") = "9"
    & skf18("4","1","5","10","5","9","1") = "9"
    & skf18("4","1","5","10","5","10","1") = "9"
    & skf18("4","1","5","10","6","1","1") = "9"
    & skf18("4","1","5","10","6","2","1") = "9"
    & skf18("4","1","5","10","6","3","1") = "9"
    & skf18("4","1","5","10","6","4","1") = "9"
    & skf18("4","1","5","10","6","5","1") = "9"
    & skf18("4","1","5","10","6","6","1") = "9"
    & skf18("4","1","5","10","6","7","1") = "9"
    & skf18("4","1","5","10","6","8","1") = "9"
    & skf18("4","1","5","10","6","9","1") = "9"
    & skf18("4","1","5","10","6","10","1") = "9"
    & skf18("4","1","5","10","7","1","1") = "9"
    & skf18("4","1","5","10","7","2","1") = "9"
    & skf18("4","1","5","10","7","3","1") = "9"
    & skf18("4","1","5","10","7","4","1") = "9"
    & skf18("4","1","5","10","7","5","1") = "9"
    & skf18("4","1","5","10","7","6","1") = "9"
    & skf18("4","1","5","10","7","7","1") = "9"
    & skf18("4","1","5","10","7","8","1") = "9"
    & skf18("4","1","5","10","7","9","1") = "9"
    & skf18("4","1","5","10","7","10","1") = "9"
    & skf18("4","1","5","10","8","1","1") = "9"
    & skf18("4","1","5","10","8","2","1") = "9"
    & skf18("4","1","5","10","8","3","1") = "9"
    & skf18("4","1","5","10","8","4","1") = "9"
    & skf18("4","1","5","10","8","5","1") = "9"
    & skf18("4","1","5","10","8","6","1") = "9"
    & skf18("4","1","5","10","8","7","1") = "9"
    & skf18("4","1","5","10","8","8","1") = "9"
    & skf18("4","1","5","10","8","9","1") = "9"
    & skf18("4","1","5","10","8","10","1") = "9"
    & skf18("4","1","5","10","9","1","1") = "9"
    & skf18("4","1","5","10","9","2","1") = "9"
    & skf18("4","1","5","10","9","3","1") = "9"
    & skf18("4","1","5","10","9","4","1") = "9"
    & skf18("4","1","5","10","9","5","1") = "9"
    & skf18("4","1","5","10","9","6","1") = "9"
    & skf18("4","1","5","10","9","7","1") = "9"
    & skf18("4","1","5","10","9","8","1") = "9"
    & skf18("4","1","5","10","9","9","1") = "9"
    & skf18("4","1","5","10","9","10","1") = "9"
    & skf18("4","1","5","10","10","1","1") = "9"
    & skf18("4","1","5","10","10","2","1") = "9"
    & skf18("4","1","5","10","10","3","1") = "9"
    & skf18("4","1","5","10","10","4","1") = "9"
    & skf18("4","1","5","10","10","5","1") = "9"
    & skf18("4","1","5","10","10","6","1") = "9"
    & skf18("4","1","5","10","10","7","1") = "9"
    & skf18("4","1","5","10","10","8","1") = "9"
    & skf18("4","1","5","10","10","9","1") = "9"
    & skf18("4","1","5","10","10","10","1") = "9"
    & skf18("4","1","6","1","1","1","1") = "5"
    & skf18("4","1","6","1","1","2","1") = "5"
    & skf18("4","1","6","1","1","3","1") = "5"
    & skf18("4","1","6","1","1","4","1") = "5"
    & skf18("4","1","6","1","1","5","1") = "5"
    & skf18("4","1","6","1","1","6","1") = "5"
    & skf18("4","1","6","1","1","7","1") = "6"
    & skf18("4","1","6","1","1","8","1") = "7"
    & skf18("4","1","6","1","1","9","1") = "8"
    & skf18("4","1","6","1","1","10","1") = "9"
    & skf18("4","1","6","1","2","1","1") = "5"
    & skf18("4","1","6","1","2","2","1") = "5"
    & skf18("4","1","6","1","2","3","1") = "5"
    & skf18("4","1","6","1","2","4","1") = "5"
    & skf18("4","1","6","1","2","5","1") = "5"
    & skf18("4","1","6","1","2","6","1") = "5"
    & skf18("4","1","6","1","2","7","1") = "6"
    & skf18("4","1","6","1","2","8","1") = "7"
    & skf18("4","1","6","1","2","9","1") = "8"
    & skf18("4","1","6","1","2","10","1") = "9"
    & skf18("4","1","6","1","3","1","1") = "5"
    & skf18("4","1","6","1","3","2","1") = "5"
    & skf18("4","1","6","1","3","3","1") = "5"
    & skf18("4","1","6","1","3","4","1") = "5"
    & skf18("4","1","6","1","3","5","1") = "5"
    & skf18("4","1","6","1","3","6","1") = "5"
    & skf18("4","1","6","1","3","7","1") = "6"
    & skf18("4","1","6","1","3","8","1") = "7"
    & skf18("4","1","6","1","3","9","1") = "8"
    & skf18("4","1","6","1","3","10","1") = "9"
    & skf18("4","1","6","1","4","1","1") = "5"
    & skf18("4","1","6","1","4","2","1") = "5"
    & skf18("4","1","6","1","4","3","1") = "5"
    & skf18("4","1","6","1","4","4","1") = "5"
    & skf18("4","1","6","1","4","5","1") = "5"
    & skf18("4","1","6","1","4","6","1") = "5"
    & skf18("4","1","6","1","4","7","1") = "6"
    & skf18("4","1","6","1","4","8","1") = "7"
    & skf18("4","1","6","1","4","9","1") = "8"
    & skf18("4","1","6","1","4","10","1") = "9"
    & skf18("4","1","6","1","5","1","1") = "5"
    & skf18("4","1","6","1","5","2","1") = "5"
    & skf18("4","1","6","1","5","3","1") = "5"
    & skf18("4","1","6","1","5","4","1") = "5"
    & skf18("4","1","6","1","5","5","1") = "5"
    & skf18("4","1","6","1","5","6","1") = "5"
    & skf18("4","1","6","1","5","7","1") = "6"
    & skf18("4","1","6","1","5","8","1") = "7"
    & skf18("4","1","6","1","5","9","1") = "8"
    & skf18("4","1","6","1","5","10","1") = "9"
    & skf18("4","1","6","1","6","1","1") = "5"
    & skf18("4","1","6","1","6","2","1") = "5"
    & skf18("4","1","6","1","6","3","1") = "5"
    & skf18("4","1","6","1","6","4","1") = "5"
    & skf18("4","1","6","1","6","5","1") = "5"
    & skf18("4","1","6","1","6","6","1") = "5"
    & skf18("4","1","6","1","6","7","1") = "6"
    & skf18("4","1","6","1","6","8","1") = "7"
    & skf18("4","1","6","1","6","9","1") = "8"
    & skf18("4","1","6","1","6","10","1") = "9"
    & skf18("4","1","6","1","7","1","1") = "6"
    & skf18("4","1","6","1","7","2","1") = "6"
    & skf18("4","1","6","1","7","3","1") = "6"
    & skf18("4","1","6","1","7","4","1") = "6"
    & skf18("4","1","6","1","7","5","1") = "6"
    & skf18("4","1","6","1","7","6","1") = "6"
    & skf18("4","1","6","1","7","7","1") = "6"
    & skf18("4","1","6","1","7","8","1") = "7"
    & skf18("4","1","6","1","7","9","1") = "8"
    & skf18("4","1","6","1","7","10","1") = "9"
    & skf18("4","1","6","1","8","1","1") = "7"
    & skf18("4","1","6","1","8","2","1") = "7"
    & skf18("4","1","6","1","8","3","1") = "7"
    & skf18("4","1","6","1","8","4","1") = "7"
    & skf18("4","1","6","1","8","5","1") = "7"
    & skf18("4","1","6","1","8","6","1") = "7"
    & skf18("4","1","6","1","8","7","1") = "7"
    & skf18("4","1","6","1","8","8","1") = "7"
    & skf18("4","1","6","1","8","9","1") = "8"
    & skf18("4","1","6","1","8","10","1") = "9"
    & skf18("4","1","6","1","9","1","1") = "8"
    & skf18("4","1","6","1","9","2","1") = "8"
    & skf18("4","1","6","1","9","3","1") = "8"
    & skf18("4","1","6","1","9","4","1") = "8"
    & skf18("4","1","6","1","9","5","1") = "8"
    & skf18("4","1","6","1","9","6","1") = "8"
    & skf18("4","1","6","1","9","7","1") = "8"
    & skf18("4","1","6","1","9","8","1") = "8"
    & skf18("4","1","6","1","9","9","1") = "8"
    & skf18("4","1","6","1","9","10","1") = "9"
    & skf18("4","1","6","1","10","1","1") = "9"
    & skf18("4","1","6","1","10","2","1") = "9"
    & skf18("4","1","6","1","10","3","1") = "9"
    & skf18("4","1","6","1","10","4","1") = "9"
    & skf18("4","1","6","1","10","5","1") = "9"
    & skf18("4","1","6","1","10","6","1") = "9"
    & skf18("4","1","6","1","10","7","1") = "9"
    & skf18("4","1","6","1","10","8","1") = "9"
    & skf18("4","1","6","1","10","9","1") = "9"
    & skf18("4","1","6","1","10","10","1") = "9"
    & skf18("4","1","6","2","1","1","1") = "5"
    & skf18("4","1","6","2","1","2","1") = "5"
    & skf18("4","1","6","2","1","3","1") = "5"
    & skf18("4","1","6","2","1","4","1") = "5"
    & skf18("4","1","6","2","1","5","1") = "5"
    & skf18("4","1","6","2","1","6","1") = "5"
    & skf18("4","1","6","2","1","7","1") = "6"
    & skf18("4","1","6","2","1","8","1") = "7"
    & skf18("4","1","6","2","1","9","1") = "8"
    & skf18("4","1","6","2","1","10","1") = "9"
    & skf18("4","1","6","2","2","1","1") = "5"
    & skf18("4","1","6","2","2","2","1") = "5"
    & skf18("4","1","6","2","2","3","1") = "5"
    & skf18("4","1","6","2","2","4","1") = "5"
    & skf18("4","1","6","2","2","5","1") = "5"
    & skf18("4","1","6","2","2","6","1") = "5"
    & skf18("4","1","6","2","2","7","1") = "6"
    & skf18("4","1","6","2","2","8","1") = "7"
    & skf18("4","1","6","2","2","9","1") = "8"
    & skf18("4","1","6","2","2","10","1") = "9"
    & skf18("4","1","6","2","3","1","1") = "5"
    & skf18("4","1","6","2","3","2","1") = "5"
    & skf18("4","1","6","2","3","3","1") = "5"
    & skf18("4","1","6","2","3","4","1") = "5"
    & skf18("4","1","6","2","3","5","1") = "5"
    & skf18("4","1","6","2","3","6","1") = "5"
    & skf18("4","1","6","2","3","7","1") = "6"
    & skf18("4","1","6","2","3","8","1") = "7"
    & skf18("4","1","6","2","3","9","1") = "8"
    & skf18("4","1","6","2","3","10","1") = "9"
    & skf18("4","1","6","2","4","1","1") = "5"
    & skf18("4","1","6","2","4","2","1") = "5"
    & skf18("4","1","6","2","4","3","1") = "5"
    & skf18("4","1","6","2","4","4","1") = "5"
    & skf18("4","1","6","2","4","5","1") = "5"
    & skf18("4","1","6","2","4","6","1") = "5"
    & skf18("4","1","6","2","4","7","1") = "6"
    & skf18("4","1","6","2","4","8","1") = "7"
    & skf18("4","1","6","2","4","9","1") = "8"
    & skf18("4","1","6","2","4","10","1") = "9"
    & skf18("4","1","6","2","5","1","1") = "5"
    & skf18("4","1","6","2","5","2","1") = "5"
    & skf18("4","1","6","2","5","3","1") = "5"
    & skf18("4","1","6","2","5","4","1") = "5"
    & skf18("4","1","6","2","5","5","1") = "5"
    & skf18("4","1","6","2","5","6","1") = "5"
    & skf18("4","1","6","2","5","7","1") = "6"
    & skf18("4","1","6","2","5","8","1") = "7"
    & skf18("4","1","6","2","5","9","1") = "8"
    & skf18("4","1","6","2","5","10","1") = "9"
    & skf18("4","1","6","2","6","1","1") = "5"
    & skf18("4","1","6","2","6","2","1") = "5"
    & skf18("4","1","6","2","6","3","1") = "5"
    & skf18("4","1","6","2","6","4","1") = "5"
    & skf18("4","1","6","2","6","5","1") = "5"
    & skf18("4","1","6","2","6","6","1") = "5"
    & skf18("4","1","6","2","6","7","1") = "6"
    & skf18("4","1","6","2","6","8","1") = "7"
    & skf18("4","1","6","2","6","9","1") = "8"
    & skf18("4","1","6","2","6","10","1") = "9"
    & skf18("4","1","6","2","7","1","1") = "6"
    & skf18("4","1","6","2","7","2","1") = "6"
    & skf18("4","1","6","2","7","3","1") = "6"
    & skf18("4","1","6","2","7","4","1") = "6"
    & skf18("4","1","6","2","7","5","1") = "6"
    & skf18("4","1","6","2","7","6","1") = "6"
    & skf18("4","1","6","2","7","7","1") = "6"
    & skf18("4","1","6","2","7","8","1") = "7"
    & skf18("4","1","6","2","7","9","1") = "8"
    & skf18("4","1","6","2","7","10","1") = "9"
    & skf18("4","1","6","2","8","1","1") = "7"
    & skf18("4","1","6","2","8","2","1") = "7"
    & skf18("4","1","6","2","8","3","1") = "7"
    & skf18("4","1","6","2","8","4","1") = "7"
    & skf18("4","1","6","2","8","5","1") = "7"
    & skf18("4","1","6","2","8","6","1") = "7"
    & skf18("4","1","6","2","8","7","1") = "7"
    & skf18("4","1","6","2","8","8","1") = "7"
    & skf18("4","1","6","2","8","9","1") = "8"
    & skf18("4","1","6","2","8","10","1") = "9"
    & skf18("4","1","6","2","9","1","1") = "8"
    & skf18("4","1","6","2","9","2","1") = "8"
    & skf18("4","1","6","2","9","3","1") = "8"
    & skf18("4","1","6","2","9","4","1") = "8"
    & skf18("4","1","6","2","9","5","1") = "8"
    & skf18("4","1","6","2","9","6","1") = "8"
    & skf18("4","1","6","2","9","7","1") = "8"
    & skf18("4","1","6","2","9","8","1") = "8"
    & skf18("4","1","6","2","9","9","1") = "8"
    & skf18("4","1","6","2","9","10","1") = "9"
    & skf18("4","1","6","2","10","1","1") = "9"
    & skf18("4","1","6","2","10","2","1") = "9"
    & skf18("4","1","6","2","10","3","1") = "9"
    & skf18("4","1","6","2","10","4","1") = "9"
    & skf18("4","1","6","2","10","5","1") = "9"
    & skf18("4","1","6","2","10","6","1") = "9"
    & skf18("4","1","6","2","10","7","1") = "9"
    & skf18("4","1","6","2","10","8","1") = "9"
    & skf18("4","1","6","2","10","9","1") = "9"
    & skf18("4","1","6","2","10","10","1") = "9"
    & skf18("4","1","6","3","1","1","1") = "5"
    & skf18("4","1","6","3","1","2","1") = "5"
    & skf18("4","1","6","3","1","3","1") = "5"
    & skf18("4","1","6","3","1","4","1") = "5"
    & skf18("4","1","6","3","1","5","1") = "5"
    & skf18("4","1","6","3","1","6","1") = "5"
    & skf18("4","1","6","3","1","7","1") = "6"
    & skf18("4","1","6","3","1","8","1") = "7"
    & skf18("4","1","6","3","1","9","1") = "8"
    & skf18("4","1","6","3","1","10","1") = "9"
    & skf18("4","1","6","3","2","1","1") = "5"
    & skf18("4","1","6","3","2","2","1") = "5"
    & skf18("4","1","6","3","2","3","1") = "5"
    & skf18("4","1","6","3","2","4","1") = "5"
    & skf18("4","1","6","3","2","5","1") = "5"
    & skf18("4","1","6","3","2","6","1") = "5"
    & skf18("4","1","6","3","2","7","1") = "6"
    & skf18("4","1","6","3","2","8","1") = "7"
    & skf18("4","1","6","3","2","9","1") = "8"
    & skf18("4","1","6","3","2","10","1") = "9"
    & skf18("4","1","6","3","3","1","1") = "5"
    & skf18("4","1","6","3","3","2","1") = "5"
    & skf18("4","1","6","3","3","3","1") = "5"
    & skf18("4","1","6","3","3","4","1") = "5"
    & skf18("4","1","6","3","3","5","1") = "5"
    & skf18("4","1","6","3","3","6","1") = "5"
    & skf18("4","1","6","3","3","7","1") = "6"
    & skf18("4","1","6","3","3","8","1") = "7"
    & skf18("4","1","6","3","3","9","1") = "8"
    & skf18("4","1","6","3","3","10","1") = "9"
    & skf18("4","1","6","3","4","1","1") = "5"
    & skf18("4","1","6","3","4","2","1") = "5"
    & skf18("4","1","6","3","4","3","1") = "5"
    & skf18("4","1","6","3","4","4","1") = "5"
    & skf18("4","1","6","3","4","5","1") = "5"
    & skf18("4","1","6","3","4","6","1") = "5"
    & skf18("4","1","6","3","4","7","1") = "6"
    & skf18("4","1","6","3","4","8","1") = "7"
    & skf18("4","1","6","3","4","9","1") = "8"
    & skf18("4","1","6","3","4","10","1") = "9"
    & skf18("4","1","6","3","5","1","1") = "5"
    & skf18("4","1","6","3","5","2","1") = "5"
    & skf18("4","1","6","3","5","3","1") = "5"
    & skf18("4","1","6","3","5","4","1") = "5"
    & skf18("4","1","6","3","5","5","1") = "5"
    & skf18("4","1","6","3","5","6","1") = "5"
    & skf18("4","1","6","3","5","7","1") = "6"
    & skf18("4","1","6","3","5","8","1") = "7"
    & skf18("4","1","6","3","5","9","1") = "8"
    & skf18("4","1","6","3","5","10","1") = "9"
    & skf18("4","1","6","3","6","1","1") = "5"
    & skf18("4","1","6","3","6","2","1") = "5"
    & skf18("4","1","6","3","6","3","1") = "5"
    & skf18("4","1","6","3","6","4","1") = "5"
    & skf18("4","1","6","3","6","5","1") = "5"
    & skf18("4","1","6","3","6","6","1") = "5"
    & skf18("4","1","6","3","6","7","1") = "6"
    & skf18("4","1","6","3","6","8","1") = "7"
    & skf18("4","1","6","3","6","9","1") = "8"
    & skf18("4","1","6","3","6","10","1") = "9"
    & skf18("4","1","6","3","7","1","1") = "6"
    & skf18("4","1","6","3","7","2","1") = "6"
    & skf18("4","1","6","3","7","3","1") = "6"
    & skf18("4","1","6","3","7","4","1") = "6"
    & skf18("4","1","6","3","7","5","1") = "6"
    & skf18("4","1","6","3","7","6","1") = "6"
    & skf18("4","1","6","3","7","7","1") = "6"
    & skf18("4","1","6","3","7","8","1") = "7"
    & skf18("4","1","6","3","7","9","1") = "8"
    & skf18("4","1","6","3","7","10","1") = "9"
    & skf18("4","1","6","3","8","1","1") = "7"
    & skf18("4","1","6","3","8","2","1") = "7"
    & skf18("4","1","6","3","8","3","1") = "7"
    & skf18("4","1","6","3","8","4","1") = "7"
    & skf18("4","1","6","3","8","5","1") = "7"
    & skf18("4","1","6","3","8","6","1") = "7"
    & skf18("4","1","6","3","8","7","1") = "7"
    & skf18("4","1","6","3","8","8","1") = "7"
    & skf18("4","1","6","3","8","9","1") = "8"
    & skf18("4","1","6","3","8","10","1") = "9"
    & skf18("4","1","6","3","9","1","1") = "8"
    & skf18("4","1","6","3","9","2","1") = "8"
    & skf18("4","1","6","3","9","3","1") = "8"
    & skf18("4","1","6","3","9","4","1") = "8"
    & skf18("4","1","6","3","9","5","1") = "8"
    & skf18("4","1","6","3","9","6","1") = "8"
    & skf18("4","1","6","3","9","7","1") = "8"
    & skf18("4","1","6","3","9","8","1") = "8"
    & skf18("4","1","6","3","9","9","1") = "8"
    & skf18("4","1","6","3","9","10","1") = "9"
    & skf18("4","1","6","3","10","1","1") = "9"
    & skf18("4","1","6","3","10","2","1") = "9"
    & skf18("4","1","6","3","10","3","1") = "9"
    & skf18("4","1","6","3","10","4","1") = "9"
    & skf18("4","1","6","3","10","5","1") = "9"
    & skf18("4","1","6","3","10","6","1") = "9"
    & skf18("4","1","6","3","10","7","1") = "9"
    & skf18("4","1","6","3","10","8","1") = "9"
    & skf18("4","1","6","3","10","9","1") = "9"
    & skf18("4","1","6","3","10","10","1") = "9"
    & skf18("4","1","6","4","1","1","1") = "5"
    & skf18("4","1","6","4","1","2","1") = "5"
    & skf18("4","1","6","4","1","3","1") = "5"
    & skf18("4","1","6","4","1","4","1") = "5"
    & skf18("4","1","6","4","1","5","1") = "5"
    & skf18("4","1","6","4","1","6","1") = "5"
    & skf18("4","1","6","4","1","7","1") = "6"
    & skf18("4","1","6","4","1","8","1") = "7"
    & skf18("4","1","6","4","1","9","1") = "8"
    & skf18("4","1","6","4","1","10","1") = "9"
    & skf18("4","1","6","4","2","1","1") = "5"
    & skf18("4","1","6","4","2","2","1") = "5"
    & skf18("4","1","6","4","2","3","1") = "5"
    & skf18("4","1","6","4","2","4","1") = "5"
    & skf18("4","1","6","4","2","5","1") = "5"
    & skf18("4","1","6","4","2","6","1") = "5"
    & skf18("4","1","6","4","2","7","1") = "6"
    & skf18("4","1","6","4","2","8","1") = "7"
    & skf18("4","1","6","4","2","9","1") = "8"
    & skf18("4","1","6","4","2","10","1") = "9"
    & skf18("4","1","6","4","3","1","1") = "5"
    & skf18("4","1","6","4","3","2","1") = "5"
    & skf18("4","1","6","4","3","3","1") = "5"
    & skf18("4","1","6","4","3","4","1") = "5"
    & skf18("4","1","6","4","3","5","1") = "5"
    & skf18("4","1","6","4","3","6","1") = "5"
    & skf18("4","1","6","4","3","7","1") = "6"
    & skf18("4","1","6","4","3","8","1") = "7"
    & skf18("4","1","6","4","3","9","1") = "8"
    & skf18("4","1","6","4","3","10","1") = "9"
    & skf18("4","1","6","4","4","1","1") = "5"
    & skf18("4","1","6","4","4","2","1") = "5"
    & skf18("4","1","6","4","4","3","1") = "5"
    & skf18("4","1","6","4","4","4","1") = "5"
    & skf18("4","1","6","4","4","5","1") = "5"
    & skf18("4","1","6","4","4","6","1") = "5"
    & skf18("4","1","6","4","4","7","1") = "6"
    & skf18("4","1","6","4","4","8","1") = "7"
    & skf18("4","1","6","4","4","9","1") = "8"
    & skf18("4","1","6","4","4","10","1") = "9"
    & skf18("4","1","6","4","5","1","1") = "5"
    & skf18("4","1","6","4","5","2","1") = "5"
    & skf18("4","1","6","4","5","3","1") = "5"
    & skf18("4","1","6","4","5","4","1") = "5"
    & skf18("4","1","6","4","5","5","1") = "5"
    & skf18("4","1","6","4","5","6","1") = "5"
    & skf18("4","1","6","4","5","7","1") = "6"
    & skf18("4","1","6","4","5","8","1") = "7"
    & skf18("4","1","6","4","5","9","1") = "8"
    & skf18("4","1","6","4","5","10","1") = "9"
    & skf18("4","1","6","4","6","1","1") = "5"
    & skf18("4","1","6","4","6","2","1") = "5"
    & skf18("4","1","6","4","6","3","1") = "5"
    & skf18("4","1","6","4","6","4","1") = "5"
    & skf18("4","1","6","4","6","5","1") = "5"
    & skf18("4","1","6","4","6","6","1") = "5"
    & skf18("4","1","6","4","6","7","1") = "6"
    & skf18("4","1","6","4","6","8","1") = "7"
    & skf18("4","1","6","4","6","9","1") = "8"
    & skf18("4","1","6","4","6","10","1") = "9"
    & skf18("4","1","6","4","7","1","1") = "6"
    & skf18("4","1","6","4","7","2","1") = "6"
    & skf18("4","1","6","4","7","3","1") = "6"
    & skf18("4","1","6","4","7","4","1") = "6"
    & skf18("4","1","6","4","7","5","1") = "6"
    & skf18("4","1","6","4","7","6","1") = "6"
    & skf18("4","1","6","4","7","7","1") = "6"
    & skf18("4","1","6","4","7","8","1") = "7"
    & skf18("4","1","6","4","7","9","1") = "8"
    & skf18("4","1","6","4","7","10","1") = "9"
    & skf18("4","1","6","4","8","1","1") = "7"
    & skf18("4","1","6","4","8","2","1") = "7"
    & skf18("4","1","6","4","8","3","1") = "7"
    & skf18("4","1","6","4","8","4","1") = "7"
    & skf18("4","1","6","4","8","5","1") = "7"
    & skf18("4","1","6","4","8","6","1") = "7"
    & skf18("4","1","6","4","8","7","1") = "7"
    & skf18("4","1","6","4","8","8","1") = "7"
    & skf18("4","1","6","4","8","9","1") = "8"
    & skf18("4","1","6","4","8","10","1") = "9"
    & skf18("4","1","6","4","9","1","1") = "8"
    & skf18("4","1","6","4","9","2","1") = "8"
    & skf18("4","1","6","4","9","3","1") = "8"
    & skf18("4","1","6","4","9","4","1") = "8"
    & skf18("4","1","6","4","9","5","1") = "8"
    & skf18("4","1","6","4","9","6","1") = "8"
    & skf18("4","1","6","4","9","7","1") = "8"
    & skf18("4","1","6","4","9","8","1") = "8"
    & skf18("4","1","6","4","9","9","1") = "8"
    & skf18("4","1","6","4","9","10","1") = "9"
    & skf18("4","1","6","4","10","1","1") = "9"
    & skf18("4","1","6","4","10","2","1") = "9"
    & skf18("4","1","6","4","10","3","1") = "9"
    & skf18("4","1","6","4","10","4","1") = "9"
    & skf18("4","1","6","4","10","5","1") = "9"
    & skf18("4","1","6","4","10","6","1") = "9"
    & skf18("4","1","6","4","10","7","1") = "9"
    & skf18("4","1","6","4","10","8","1") = "9"
    & skf18("4","1","6","4","10","9","1") = "9"
    & skf18("4","1","6","4","10","10","1") = "9"
    & skf18("4","1","6","5","1","1","1") = "5"
    & skf18("4","1","6","5","1","2","1") = "5"
    & skf18("4","1","6","5","1","3","1") = "5"
    & skf18("4","1","6","5","1","4","1") = "5"
    & skf18("4","1","6","5","1","5","1") = "5"
    & skf18("4","1","6","5","1","6","1") = "5"
    & skf18("4","1","6","5","1","7","1") = "6"
    & skf18("4","1","6","5","1","8","1") = "7"
    & skf18("4","1","6","5","1","9","1") = "8"
    & skf18("4","1","6","5","1","10","1") = "9"
    & skf18("4","1","6","5","2","1","1") = "5"
    & skf18("4","1","6","5","2","2","1") = "5"
    & skf18("4","1","6","5","2","3","1") = "5"
    & skf18("4","1","6","5","2","4","1") = "5"
    & skf18("4","1","6","5","2","5","1") = "5"
    & skf18("4","1","6","5","2","6","1") = "5"
    & skf18("4","1","6","5","2","7","1") = "6"
    & skf18("4","1","6","5","2","8","1") = "7"
    & skf18("4","1","6","5","2","9","1") = "8"
    & skf18("4","1","6","5","2","10","1") = "9"
    & skf18("4","1","6","5","3","1","1") = "5"
    & skf18("4","1","6","5","3","2","1") = "5"
    & skf18("4","1","6","5","3","3","1") = "5"
    & skf18("4","1","6","5","3","4","1") = "5"
    & skf18("4","1","6","5","3","5","1") = "5"
    & skf18("4","1","6","5","3","6","1") = "5"
    & skf18("4","1","6","5","3","7","1") = "6"
    & skf18("4","1","6","5","3","8","1") = "7"
    & skf18("4","1","6","5","3","9","1") = "8"
    & skf18("4","1","6","5","3","10","1") = "9"
    & skf18("4","1","6","5","4","1","1") = "5"
    & skf18("4","1","6","5","4","2","1") = "5"
    & skf18("4","1","6","5","4","3","1") = "5"
    & skf18("4","1","6","5","4","4","1") = "5"
    & skf18("4","1","6","5","4","5","1") = "5"
    & skf18("4","1","6","5","4","6","1") = "5"
    & skf18("4","1","6","5","4","7","1") = "6"
    & skf18("4","1","6","5","4","8","1") = "7"
    & skf18("4","1","6","5","4","9","1") = "8"
    & skf18("4","1","6","5","4","10","1") = "9"
    & skf18("4","1","6","5","5","1","1") = "5"
    & skf18("4","1","6","5","5","2","1") = "5"
    & skf18("4","1","6","5","5","3","1") = "5"
    & skf18("4","1","6","5","5","4","1") = "5"
    & skf18("4","1","6","5","5","5","1") = "5"
    & skf18("4","1","6","5","5","6","1") = "5"
    & skf18("4","1","6","5","5","7","1") = "6"
    & skf18("4","1","6","5","5","8","1") = "7"
    & skf18("4","1","6","5","5","9","1") = "8"
    & skf18("4","1","6","5","5","10","1") = "9"
    & skf18("4","1","6","5","6","1","1") = "5"
    & skf18("4","1","6","5","6","2","1") = "5"
    & skf18("4","1","6","5","6","3","1") = "5"
    & skf18("4","1","6","5","6","4","1") = "5"
    & skf18("4","1","6","5","6","5","1") = "5"
    & skf18("4","1","6","5","6","6","1") = "5"
    & skf18("4","1","6","5","6","7","1") = "6"
    & skf18("4","1","6","5","6","8","1") = "7"
    & skf18("4","1","6","5","6","9","1") = "8"
    & skf18("4","1","6","5","6","10","1") = "9"
    & skf18("4","1","6","5","7","1","1") = "6"
    & skf18("4","1","6","5","7","2","1") = "6"
    & skf18("4","1","6","5","7","3","1") = "6"
    & skf18("4","1","6","5","7","4","1") = "6"
    & skf18("4","1","6","5","7","5","1") = "6"
    & skf18("4","1","6","5","7","6","1") = "6"
    & skf18("4","1","6","5","7","7","1") = "6"
    & skf18("4","1","6","5","7","8","1") = "7"
    & skf18("4","1","6","5","7","9","1") = "8"
    & skf18("4","1","6","5","7","10","1") = "9"
    & skf18("4","1","6","5","8","1","1") = "7"
    & skf18("4","1","6","5","8","2","1") = "7"
    & skf18("4","1","6","5","8","3","1") = "7"
    & skf18("4","1","6","5","8","4","1") = "7"
    & skf18("4","1","6","5","8","5","1") = "7"
    & skf18("4","1","6","5","8","6","1") = "7"
    & skf18("4","1","6","5","8","7","1") = "7"
    & skf18("4","1","6","5","8","8","1") = "7"
    & skf18("4","1","6","5","8","9","1") = "8"
    & skf18("4","1","6","5","8","10","1") = "9"
    & skf18("4","1","6","5","9","1","1") = "8"
    & skf18("4","1","6","5","9","2","1") = "8"
    & skf18("4","1","6","5","9","3","1") = "8"
    & skf18("4","1","6","5","9","4","1") = "8"
    & skf18("4","1","6","5","9","5","1") = "8"
    & skf18("4","1","6","5","9","6","1") = "8"
    & skf18("4","1","6","5","9","7","1") = "8"
    & skf18("4","1","6","5","9","8","1") = "8"
    & skf18("4","1","6","5","9","9","1") = "8"
    & skf18("4","1","6","5","9","10","1") = "9"
    & skf18("4","1","6","5","10","1","1") = "9"
    & skf18("4","1","6","5","10","2","1") = "9"
    & skf18("4","1","6","5","10","3","1") = "9"
    & skf18("4","1","6","5","10","4","1") = "9"
    & skf18("4","1","6","5","10","5","1") = "9"
    & skf18("4","1","6","5","10","6","1") = "9"
    & skf18("4","1","6","5","10","7","1") = "9"
    & skf18("4","1","6","5","10","8","1") = "9"
    & skf18("4","1","6","5","10","9","1") = "9"
    & skf18("4","1","6","5","10","10","1") = "9"
    & skf18("4","1","6","6","1","1","1") = "5"
    & skf18("4","1","6","6","1","2","1") = "5"
    & skf18("4","1","6","6","1","3","1") = "5"
    & skf18("4","1","6","6","1","4","1") = "5"
    & skf18("4","1","6","6","1","5","1") = "5"
    & skf18("4","1","6","6","1","6","1") = "5"
    & skf18("4","1","6","6","1","7","1") = "6"
    & skf18("4","1","6","6","1","8","1") = "7"
    & skf18("4","1","6","6","1","9","1") = "8"
    & skf18("4","1","6","6","1","10","1") = "9"
    & skf18("4","1","6","6","2","1","1") = "5"
    & skf18("4","1","6","6","2","2","1") = "5"
    & skf18("4","1","6","6","2","3","1") = "5"
    & skf18("4","1","6","6","2","4","1") = "5"
    & skf18("4","1","6","6","2","5","1") = "5"
    & skf18("4","1","6","6","2","6","1") = "5"
    & skf18("4","1","6","6","2","7","1") = "6"
    & skf18("4","1","6","6","2","8","1") = "7"
    & skf18("4","1","6","6","2","9","1") = "8"
    & skf18("4","1","6","6","2","10","1") = "9"
    & skf18("4","1","6","6","3","1","1") = "5"
    & skf18("4","1","6","6","3","2","1") = "5"
    & skf18("4","1","6","6","3","3","1") = "5"
    & skf18("4","1","6","6","3","4","1") = "5"
    & skf18("4","1","6","6","3","5","1") = "5"
    & skf18("4","1","6","6","3","6","1") = "5"
    & skf18("4","1","6","6","3","7","1") = "6"
    & skf18("4","1","6","6","3","8","1") = "7"
    & skf18("4","1","6","6","3","9","1") = "8"
    & skf18("4","1","6","6","3","10","1") = "9"
    & skf18("4","1","6","6","4","1","1") = "5"
    & skf18("4","1","6","6","4","2","1") = "5"
    & skf18("4","1","6","6","4","3","1") = "5"
    & skf18("4","1","6","6","4","4","1") = "5"
    & skf18("4","1","6","6","4","5","1") = "5"
    & skf18("4","1","6","6","4","6","1") = "5"
    & skf18("4","1","6","6","4","7","1") = "6"
    & skf18("4","1","6","6","4","8","1") = "7"
    & skf18("4","1","6","6","4","9","1") = "8"
    & skf18("4","1","6","6","4","10","1") = "9"
    & skf18("4","1","6","6","5","1","1") = "5"
    & skf18("4","1","6","6","5","2","1") = "5"
    & skf18("4","1","6","6","5","3","1") = "5"
    & skf18("4","1","6","6","5","4","1") = "5"
    & skf18("4","1","6","6","5","5","1") = "5"
    & skf18("4","1","6","6","5","6","1") = "5"
    & skf18("4","1","6","6","5","7","1") = "6"
    & skf18("4","1","6","6","5","8","1") = "7"
    & skf18("4","1","6","6","5","9","1") = "8"
    & skf18("4","1","6","6","5","10","1") = "9"
    & skf18("4","1","6","6","6","1","1") = "5"
    & skf18("4","1","6","6","6","2","1") = "5"
    & skf18("4","1","6","6","6","3","1") = "5"
    & skf18("4","1","6","6","6","4","1") = "5"
    & skf18("4","1","6","6","6","5","1") = "5"
    & skf18("4","1","6","6","6","6","1") = "5"
    & skf18("4","1","6","6","6","7","1") = "6"
    & skf18("4","1","6","6","6","8","1") = "7"
    & skf18("4","1","6","6","6","9","1") = "8"
    & skf18("4","1","6","6","6","10","1") = "9"
    & skf18("4","1","6","6","7","1","1") = "6"
    & skf18("4","1","6","6","7","2","1") = "6"
    & skf18("4","1","6","6","7","3","1") = "6"
    & skf18("4","1","6","6","7","4","1") = "6"
    & skf18("4","1","6","6","7","5","1") = "6"
    & skf18("4","1","6","6","7","6","1") = "6"
    & skf18("4","1","6","6","7","7","1") = "6"
    & skf18("4","1","6","6","7","8","1") = "7"
    & skf18("4","1","6","6","7","9","1") = "8"
    & skf18("4","1","6","6","7","10","1") = "9"
    & skf18("4","1","6","6","8","1","1") = "7"
    & skf18("4","1","6","6","8","2","1") = "7"
    & skf18("4","1","6","6","8","3","1") = "7"
    & skf18("4","1","6","6","8","4","1") = "7"
    & skf18("4","1","6","6","8","5","1") = "7"
    & skf18("4","1","6","6","8","6","1") = "7"
    & skf18("4","1","6","6","8","7","1") = "7"
    & skf18("4","1","6","6","8","8","1") = "7"
    & skf18("4","1","6","6","8","9","1") = "8"
    & skf18("4","1","6","6","8","10","1") = "9"
    & skf18("4","1","6","6","9","1","1") = "8"
    & skf18("4","1","6","6","9","2","1") = "8"
    & skf18("4","1","6","6","9","3","1") = "8"
    & skf18("4","1","6","6","9","4","1") = "8"
    & skf18("4","1","6","6","9","5","1") = "8"
    & skf18("4","1","6","6","9","6","1") = "8"
    & skf18("4","1","6","6","9","7","1") = "8"
    & skf18("4","1","6","6","9","8","1") = "8"
    & skf18("4","1","6","6","9","9","1") = "8"
    & skf18("4","1","6","6","9","10","1") = "9"
    & skf18("4","1","6","6","10","1","1") = "9"
    & skf18("4","1","6","6","10","2","1") = "9"
    & skf18("4","1","6","6","10","3","1") = "9"
    & skf18("4","1","6","6","10","4","1") = "9"
    & skf18("4","1","6","6","10","5","1") = "9"
    & skf18("4","1","6","6","10","6","1") = "9"
    & skf18("4","1","6","6","10","7","1") = "9"
    & skf18("4","1","6","6","10","8","1") = "9"
    & skf18("4","1","6","6","10","9","1") = "9"
    & skf18("4","1","6","6","10","10","1") = "9"
    & skf18("4","1","6","7","1","1","1") = "6"
    & skf18("4","1","6","7","1","2","1") = "6"
    & skf18("4","1","6","7","1","3","1") = "6"
    & skf18("4","1","6","7","1","4","1") = "6"
    & skf18("4","1","6","7","1","5","1") = "6"
    & skf18("4","1","6","7","1","6","1") = "6"
    & skf18("4","1","6","7","1","7","1") = "6"
    & skf18("4","1","6","7","1","8","1") = "7"
    & skf18("4","1","6","7","1","9","1") = "8"
    & skf18("4","1","6","7","1","10","1") = "9"
    & skf18("4","1","6","7","2","1","1") = "6"
    & skf18("4","1","6","7","2","2","1") = "6"
    & skf18("4","1","6","7","2","3","1") = "6"
    & skf18("4","1","6","7","2","4","1") = "6"
    & skf18("4","1","6","7","2","5","1") = "6"
    & skf18("4","1","6","7","2","6","1") = "6"
    & skf18("4","1","6","7","2","7","1") = "6"
    & skf18("4","1","6","7","2","8","1") = "7"
    & skf18("4","1","6","7","2","9","1") = "8"
    & skf18("4","1","6","7","2","10","1") = "9"
    & skf18("4","1","6","7","3","1","1") = "6"
    & skf18("4","1","6","7","3","2","1") = "6"
    & skf18("4","1","6","7","3","3","1") = "6"
    & skf18("4","1","6","7","3","4","1") = "6"
    & skf18("4","1","6","7","3","5","1") = "6"
    & skf18("4","1","6","7","3","6","1") = "6"
    & skf18("4","1","6","7","3","7","1") = "6"
    & skf18("4","1","6","7","3","8","1") = "7"
    & skf18("4","1","6","7","3","9","1") = "8"
    & skf18("4","1","6","7","3","10","1") = "9"
    & skf18("4","1","6","7","4","1","1") = "6"
    & skf18("4","1","6","7","4","2","1") = "6"
    & skf18("4","1","6","7","4","3","1") = "6"
    & skf18("4","1","6","7","4","4","1") = "6"
    & skf18("4","1","6","7","4","5","1") = "6"
    & skf18("4","1","6","7","4","6","1") = "6"
    & skf18("4","1","6","7","4","7","1") = "6"
    & skf18("4","1","6","7","4","8","1") = "7"
    & skf18("4","1","6","7","4","9","1") = "8"
    & skf18("4","1","6","7","4","10","1") = "9"
    & skf18("4","1","6","7","5","1","1") = "6"
    & skf18("4","1","6","7","5","2","1") = "6"
    & skf18("4","1","6","7","5","3","1") = "6"
    & skf18("4","1","6","7","5","4","1") = "6"
    & skf18("4","1","6","7","5","5","1") = "6"
    & skf18("4","1","6","7","5","6","1") = "6"
    & skf18("4","1","6","7","5","7","1") = "6"
    & skf18("4","1","6","7","5","8","1") = "7"
    & skf18("4","1","6","7","5","9","1") = "8"
    & skf18("4","1","6","7","5","10","1") = "9"
    & skf18("4","1","6","7","6","1","1") = "6"
    & skf18("4","1","6","7","6","2","1") = "6"
    & skf18("4","1","6","7","6","3","1") = "6"
    & skf18("4","1","6","7","6","4","1") = "6"
    & skf18("4","1","6","7","6","5","1") = "6"
    & skf18("4","1","6","7","6","6","1") = "6"
    & skf18("4","1","6","7","6","7","1") = "6"
    & skf18("4","1","6","7","6","8","1") = "7"
    & skf18("4","1","6","7","6","9","1") = "8"
    & skf18("4","1","6","7","6","10","1") = "9"
    & skf18("4","1","6","7","7","1","1") = "6"
    & skf18("4","1","6","7","7","2","1") = "6"
    & skf18("4","1","6","7","7","3","1") = "6"
    & skf18("4","1","6","7","7","4","1") = "6"
    & skf18("4","1","6","7","7","5","1") = "6"
    & skf18("4","1","6","7","7","6","1") = "6"
    & skf18("4","1","6","7","7","7","1") = "6"
    & skf18("4","1","6","7","7","8","1") = "7"
    & skf18("4","1","6","7","7","9","1") = "8"
    & skf18("4","1","6","7","7","10","1") = "9"
    & skf18("4","1","6","7","8","1","1") = "7"
    & skf18("4","1","6","7","8","2","1") = "7"
    & skf18("4","1","6","7","8","3","1") = "7"
    & skf18("4","1","6","7","8","4","1") = "7"
    & skf18("4","1","6","7","8","5","1") = "7"
    & skf18("4","1","6","7","8","6","1") = "7"
    & skf18("4","1","6","7","8","7","1") = "7"
    & skf18("4","1","6","7","8","8","1") = "7"
    & skf18("4","1","6","7","8","9","1") = "8"
    & skf18("4","1","6","7","8","10","1") = "9"
    & skf18("4","1","6","7","9","1","1") = "8"
    & skf18("4","1","6","7","9","2","1") = "8"
    & skf18("4","1","6","7","9","3","1") = "8"
    & skf18("4","1","6","7","9","4","1") = "8"
    & skf18("4","1","6","7","9","5","1") = "8"
    & skf18("4","1","6","7","9","6","1") = "8"
    & skf18("4","1","6","7","9","7","1") = "8"
    & skf18("4","1","6","7","9","8","1") = "8"
    & skf18("4","1","6","7","9","9","1") = "8"
    & skf18("4","1","6","7","9","10","1") = "9"
    & skf18("4","1","6","7","10","1","1") = "9"
    & skf18("4","1","6","7","10","2","1") = "9"
    & skf18("4","1","6","7","10","3","1") = "9"
    & skf18("4","1","6","7","10","4","1") = "9"
    & skf18("4","1","6","7","10","5","1") = "9"
    & skf18("4","1","6","7","10","6","1") = "9"
    & skf18("4","1","6","7","10","7","1") = "9"
    & skf18("4","1","6","7","10","8","1") = "9"
    & skf18("4","1","6","7","10","9","1") = "9"
    & skf18("4","1","6","7","10","10","1") = "9"
    & skf18("4","1","6","8","1","1","1") = "7"
    & skf18("4","1","6","8","1","2","1") = "7"
    & skf18("4","1","6","8","1","3","1") = "7"
    & skf18("4","1","6","8","1","4","1") = "7"
    & skf18("4","1","6","8","1","5","1") = "7"
    & skf18("4","1","6","8","1","6","1") = "7"
    & skf18("4","1","6","8","1","7","1") = "7"
    & skf18("4","1","6","8","1","8","1") = "7"
    & skf18("4","1","6","8","1","9","1") = "8"
    & skf18("4","1","6","8","1","10","1") = "9"
    & skf18("4","1","6","8","2","1","1") = "7"
    & skf18("4","1","6","8","2","2","1") = "7"
    & skf18("4","1","6","8","2","3","1") = "7"
    & skf18("4","1","6","8","2","4","1") = "7"
    & skf18("4","1","6","8","2","5","1") = "7"
    & skf18("4","1","6","8","2","6","1") = "7"
    & skf18("4","1","6","8","2","7","1") = "7"
    & skf18("4","1","6","8","2","8","1") = "7"
    & skf18("4","1","6","8","2","9","1") = "8"
    & skf18("4","1","6","8","2","10","1") = "9"
    & skf18("4","1","6","8","3","1","1") = "7"
    & skf18("4","1","6","8","3","2","1") = "7"
    & skf18("4","1","6","8","3","3","1") = "7"
    & skf18("4","1","6","8","3","4","1") = "7"
    & skf18("4","1","6","8","3","5","1") = "7"
    & skf18("4","1","6","8","3","6","1") = "7"
    & skf18("4","1","6","8","3","7","1") = "7"
    & skf18("4","1","6","8","3","8","1") = "7"
    & skf18("4","1","6","8","3","9","1") = "8"
    & skf18("4","1","6","8","3","10","1") = "9"
    & skf18("4","1","6","8","4","1","1") = "7"
    & skf18("4","1","6","8","4","2","1") = "7"
    & skf18("4","1","6","8","4","3","1") = "7"
    & skf18("4","1","6","8","4","4","1") = "7"
    & skf18("4","1","6","8","4","5","1") = "7"
    & skf18("4","1","6","8","4","6","1") = "7"
    & skf18("4","1","6","8","4","7","1") = "7"
    & skf18("4","1","6","8","4","8","1") = "7"
    & skf18("4","1","6","8","4","9","1") = "8"
    & skf18("4","1","6","8","4","10","1") = "9"
    & skf18("4","1","6","8","5","1","1") = "7"
    & skf18("4","1","6","8","5","2","1") = "7"
    & skf18("4","1","6","8","5","3","1") = "7"
    & skf18("4","1","6","8","5","4","1") = "7"
    & skf18("4","1","6","8","5","5","1") = "7"
    & skf18("4","1","6","8","5","6","1") = "7"
    & skf18("4","1","6","8","5","7","1") = "7"
    & skf18("4","1","6","8","5","8","1") = "7"
    & skf18("4","1","6","8","5","9","1") = "8"
    & skf18("4","1","6","8","5","10","1") = "9"
    & skf18("4","1","6","8","6","1","1") = "7"
    & skf18("4","1","6","8","6","2","1") = "7"
    & skf18("4","1","6","8","6","3","1") = "7"
    & skf18("4","1","6","8","6","4","1") = "7"
    & skf18("4","1","6","8","6","5","1") = "7"
    & skf18("4","1","6","8","6","6","1") = "7"
    & skf18("4","1","6","8","6","7","1") = "7"
    & skf18("4","1","6","8","6","8","1") = "7"
    & skf18("4","1","6","8","6","9","1") = "8"
    & skf18("4","1","6","8","6","10","1") = "9"
    & skf18("4","1","6","8","7","1","1") = "7"
    & skf18("4","1","6","8","7","2","1") = "7"
    & skf18("4","1","6","8","7","3","1") = "7"
    & skf18("4","1","6","8","7","4","1") = "7"
    & skf18("4","1","6","8","7","5","1") = "7"
    & skf18("4","1","6","8","7","6","1") = "7"
    & skf18("4","1","6","8","7","7","1") = "7"
    & skf18("4","1","6","8","7","8","1") = "7"
    & skf18("4","1","6","8","7","9","1") = "8"
    & skf18("4","1","6","8","7","10","1") = "9"
    & skf18("4","1","6","8","8","1","1") = "7"
    & skf18("4","1","6","8","8","2","1") = "7"
    & skf18("4","1","6","8","8","3","1") = "7"
    & skf18("4","1","6","8","8","4","1") = "7"
    & skf18("4","1","6","8","8","5","1") = "7"
    & skf18("4","1","6","8","8","6","1") = "7"
    & skf18("4","1","6","8","8","7","1") = "7"
    & skf18("4","1","6","8","8","8","1") = "7"
    & skf18("4","1","6","8","8","9","1") = "8"
    & skf18("4","1","6","8","8","10","1") = "9"
    & skf18("4","1","6","8","9","1","1") = "8"
    & skf18("4","1","6","8","9","2","1") = "8"
    & skf18("4","1","6","8","9","3","1") = "8"
    & skf18("4","1","6","8","9","4","1") = "8"
    & skf18("4","1","6","8","9","5","1") = "8"
    & skf18("4","1","6","8","9","6","1") = "8"
    & skf18("4","1","6","8","9","7","1") = "8"
    & skf18("4","1","6","8","9","8","1") = "8"
    & skf18("4","1","6","8","9","9","1") = "8"
    & skf18("4","1","6","8","9","10","1") = "9"
    & skf18("4","1","6","8","10","1","1") = "9"
    & skf18("4","1","6","8","10","2","1") = "9"
    & skf18("4","1","6","8","10","3","1") = "9"
    & skf18("4","1","6","8","10","4","1") = "9"
    & skf18("4","1","6","8","10","5","1") = "9"
    & skf18("4","1","6","8","10","6","1") = "9"
    & skf18("4","1","6","8","10","7","1") = "9"
    & skf18("4","1","6","8","10","8","1") = "9"
    & skf18("4","1","6","8","10","9","1") = "9"
    & skf18("4","1","6","8","10","10","1") = "9"
    & skf18("4","1","6","9","1","1","1") = "8"
    & skf18("4","1","6","9","1","2","1") = "8"
    & skf18("4","1","6","9","1","3","1") = "8"
    & skf18("4","1","6","9","1","4","1") = "8"
    & skf18("4","1","6","9","1","5","1") = "8"
    & skf18("4","1","6","9","1","6","1") = "8"
    & skf18("4","1","6","9","1","7","1") = "8"
    & skf18("4","1","6","9","1","8","1") = "8"
    & skf18("4","1","6","9","1","9","1") = "8"
    & skf18("4","1","6","9","1","10","1") = "9"
    & skf18("4","1","6","9","2","1","1") = "8"
    & skf18("4","1","6","9","2","2","1") = "8"
    & skf18("4","1","6","9","2","3","1") = "8"
    & skf18("4","1","6","9","2","4","1") = "8"
    & skf18("4","1","6","9","2","5","1") = "8"
    & skf18("4","1","6","9","2","6","1") = "8"
    & skf18("4","1","6","9","2","7","1") = "8"
    & skf18("4","1","6","9","2","8","1") = "8"
    & skf18("4","1","6","9","2","9","1") = "8"
    & skf18("4","1","6","9","2","10","1") = "9"
    & skf18("4","1","6","9","3","1","1") = "8"
    & skf18("4","1","6","9","3","2","1") = "8"
    & skf18("4","1","6","9","3","3","1") = "8"
    & skf18("4","1","6","9","3","4","1") = "8"
    & skf18("4","1","6","9","3","5","1") = "8"
    & skf18("4","1","6","9","3","6","1") = "8"
    & skf18("4","1","6","9","3","7","1") = "8"
    & skf18("4","1","6","9","3","8","1") = "8"
    & skf18("4","1","6","9","3","9","1") = "8"
    & skf18("4","1","6","9","3","10","1") = "9"
    & skf18("4","1","6","9","4","1","1") = "8"
    & skf18("4","1","6","9","4","2","1") = "8"
    & skf18("4","1","6","9","4","3","1") = "8"
    & skf18("4","1","6","9","4","4","1") = "8"
    & skf18("4","1","6","9","4","5","1") = "8"
    & skf18("4","1","6","9","4","6","1") = "8"
    & skf18("4","1","6","9","4","7","1") = "8"
    & skf18("4","1","6","9","4","8","1") = "8"
    & skf18("4","1","6","9","4","9","1") = "8"
    & skf18("4","1","6","9","4","10","1") = "9"
    & skf18("4","1","6","9","5","1","1") = "8"
    & skf18("4","1","6","9","5","2","1") = "8"
    & skf18("4","1","6","9","5","3","1") = "8"
    & skf18("4","1","6","9","5","4","1") = "8"
    & skf18("4","1","6","9","5","5","1") = "8"
    & skf18("4","1","6","9","5","6","1") = "8"
    & skf18("4","1","6","9","5","7","1") = "8"
    & skf18("4","1","6","9","5","8","1") = "8"
    & skf18("4","1","6","9","5","9","1") = "8"
    & skf18("4","1","6","9","5","10","1") = "9"
    & skf18("4","1","6","9","6","1","1") = "8"
    & skf18("4","1","6","9","6","2","1") = "8"
    & skf18("4","1","6","9","6","3","1") = "8"
    & skf18("4","1","6","9","6","4","1") = "8"
    & skf18("4","1","6","9","6","5","1") = "8"
    & skf18("4","1","6","9","6","6","1") = "8"
    & skf18("4","1","6","9","6","7","1") = "8"
    & skf18("4","1","6","9","6","8","1") = "8"
    & skf18("4","1","6","9","6","9","1") = "8"
    & skf18("4","1","6","9","6","10","1") = "9"
    & skf18("4","1","6","9","7","1","1") = "8"
    & skf18("4","1","6","9","7","2","1") = "8"
    & skf18("4","1","6","9","7","3","1") = "8"
    & skf18("4","1","6","9","7","4","1") = "8"
    & skf18("4","1","6","9","7","5","1") = "8"
    & skf18("4","1","6","9","7","6","1") = "8"
    & skf18("4","1","6","9","7","7","1") = "8"
    & skf18("4","1","6","9","7","8","1") = "8"
    & skf18("4","1","6","9","7","9","1") = "8"
    & skf18("4","1","6","9","7","10","1") = "9"
    & skf18("4","1","6","9","8","1","1") = "8"
    & skf18("4","1","6","9","8","2","1") = "8"
    & skf18("4","1","6","9","8","3","1") = "8"
    & skf18("4","1","6","9","8","4","1") = "8"
    & skf18("4","1","6","9","8","5","1") = "8"
    & skf18("4","1","6","9","8","6","1") = "8"
    & skf18("4","1","6","9","8","7","1") = "8"
    & skf18("4","1","6","9","8","8","1") = "8"
    & skf18("4","1","6","9","8","9","1") = "8"
    & skf18("4","1","6","9","8","10","1") = "9"
    & skf18("4","1","6","9","9","1","1") = "8"
    & skf18("4","1","6","9","9","2","1") = "8"
    & skf18("4","1","6","9","9","3","1") = "8"
    & skf18("4","1","6","9","9","4","1") = "8"
    & skf18("4","1","6","9","9","5","1") = "8"
    & skf18("4","1","6","9","9","6","1") = "8"
    & skf18("4","1","6","9","9","7","1") = "8"
    & skf18("4","1","6","9","9","8","1") = "8"
    & skf18("4","1","6","9","9","9","1") = "8"
    & skf18("4","1","6","9","9","10","1") = "9"
    & skf18("4","1","6","9","10","1","1") = "9"
    & skf18("4","1","6","9","10","2","1") = "9"
    & skf18("4","1","6","9","10","3","1") = "9"
    & skf18("4","1","6","9","10","4","1") = "9"
    & skf18("4","1","6","9","10","5","1") = "9"
    & skf18("4","1","6","9","10","6","1") = "9"
    & skf18("4","1","6","9","10","7","1") = "9"
    & skf18("4","1","6","9","10","8","1") = "9"
    & skf18("4","1","6","9","10","9","1") = "9"
    & skf18("4","1","6","9","10","10","1") = "9"
    & skf18("4","1","6","10","1","1","1") = "9"
    & skf18("4","1","6","10","1","2","1") = "9"
    & skf18("4","1","6","10","1","3","1") = "9"
    & skf18("4","1","6","10","1","4","1") = "9"
    & skf18("4","1","6","10","1","5","1") = "9"
    & skf18("4","1","6","10","1","6","1") = "9"
    & skf18("4","1","6","10","1","7","1") = "9"
    & skf18("4","1","6","10","1","8","1") = "9"
    & skf18("4","1","6","10","1","9","1") = "9"
    & skf18("4","1","6","10","1","10","1") = "9"
    & skf18("4","1","6","10","2","1","1") = "9"
    & skf18("4","1","6","10","2","2","1") = "9"
    & skf18("4","1","6","10","2","3","1") = "9"
    & skf18("4","1","6","10","2","4","1") = "9"
    & skf18("4","1","6","10","2","5","1") = "9"
    & skf18("4","1","6","10","2","6","1") = "9"
    & skf18("4","1","6","10","2","7","1") = "9"
    & skf18("4","1","6","10","2","8","1") = "9"
    & skf18("4","1","6","10","2","9","1") = "9"
    & skf18("4","1","6","10","2","10","1") = "9"
    & skf18("4","1","6","10","3","1","1") = "9"
    & skf18("4","1","6","10","3","2","1") = "9"
    & skf18("4","1","6","10","3","3","1") = "9"
    & skf18("4","1","6","10","3","4","1") = "9"
    & skf18("4","1","6","10","3","5","1") = "9"
    & skf18("4","1","6","10","3","6","1") = "9"
    & skf18("4","1","6","10","3","7","1") = "9"
    & skf18("4","1","6","10","3","8","1") = "9"
    & skf18("4","1","6","10","3","9","1") = "9"
    & skf18("4","1","6","10","3","10","1") = "9"
    & skf18("4","1","6","10","4","1","1") = "9"
    & skf18("4","1","6","10","4","2","1") = "9"
    & skf18("4","1","6","10","4","3","1") = "9"
    & skf18("4","1","6","10","4","4","1") = "9"
    & skf18("4","1","6","10","4","5","1") = "9"
    & skf18("4","1","6","10","4","6","1") = "9"
    & skf18("4","1","6","10","4","7","1") = "9"
    & skf18("4","1","6","10","4","8","1") = "9"
    & skf18("4","1","6","10","4","9","1") = "9"
    & skf18("4","1","6","10","4","10","1") = "9"
    & skf18("4","1","6","10","5","1","1") = "9"
    & skf18("4","1","6","10","5","2","1") = "9"
    & skf18("4","1","6","10","5","3","1") = "9"
    & skf18("4","1","6","10","5","4","1") = "9"
    & skf18("4","1","6","10","5","5","1") = "9"
    & skf18("4","1","6","10","5","6","1") = "9"
    & skf18("4","1","6","10","5","7","1") = "9"
    & skf18("4","1","6","10","5","8","1") = "9"
    & skf18("4","1","6","10","5","9","1") = "9"
    & skf18("4","1","6","10","5","10","1") = "9"
    & skf18("4","1","6","10","6","1","1") = "9"
    & skf18("4","1","6","10","6","2","1") = "9"
    & skf18("4","1","6","10","6","3","1") = "9"
    & skf18("4","1","6","10","6","4","1") = "9"
    & skf18("4","1","6","10","6","5","1") = "9"
    & skf18("4","1","6","10","6","6","1") = "9"
    & skf18("4","1","6","10","6","7","1") = "9"
    & skf18("4","1","6","10","6","8","1") = "9"
    & skf18("4","1","6","10","6","9","1") = "9"
    & skf18("4","1","6","10","6","10","1") = "9"
    & skf18("4","1","6","10","7","1","1") = "9"
    & skf18("4","1","6","10","7","2","1") = "9"
    & skf18("4","1","6","10","7","3","1") = "9"
    & skf18("4","1","6","10","7","4","1") = "9"
    & skf18("4","1","6","10","7","5","1") = "9"
    & skf18("4","1","6","10","7","6","1") = "9"
    & skf18("4","1","6","10","7","7","1") = "9"
    & skf18("4","1","6","10","7","8","1") = "9"
    & skf18("4","1","6","10","7","9","1") = "9"
    & skf18("4","1","6","10","7","10","1") = "9"
    & skf18("4","1","6","10","8","1","1") = "9"
    & skf18("4","1","6","10","8","2","1") = "9"
    & skf18("4","1","6","10","8","3","1") = "9"
    & skf18("4","1","6","10","8","4","1") = "9"
    & skf18("4","1","6","10","8","5","1") = "9"
    & skf18("4","1","6","10","8","6","1") = "9"
    & skf18("4","1","6","10","8","7","1") = "9"
    & skf18("4","1","6","10","8","8","1") = "9"
    & skf18("4","1","6","10","8","9","1") = "9"
    & skf18("4","1","6","10","8","10","1") = "9"
    & skf18("4","1","6","10","9","1","1") = "9"
    & skf18("4","1","6","10","9","2","1") = "9"
    & skf18("4","1","6","10","9","3","1") = "9"
    & skf18("4","1","6","10","9","4","1") = "9"
    & skf18("4","1","6","10","9","5","1") = "9"
    & skf18("4","1","6","10","9","6","1") = "9"
    & skf18("4","1","6","10","9","7","1") = "9"
    & skf18("4","1","6","10","9","8","1") = "9"
    & skf18("4","1","6","10","9","9","1") = "9"
    & skf18("4","1","6","10","9","10","1") = "9"
    & skf18("4","1","6","10","10","1","1") = "9"
    & skf18("4","1","6","10","10","2","1") = "9"
    & skf18("4","1","6","10","10","3","1") = "9"
    & skf18("4","1","6","10","10","4","1") = "9"
    & skf18("4","1","6","10","10","5","1") = "9"
    & skf18("4","1","6","10","10","6","1") = "9"
    & skf18("4","1","6","10","10","7","1") = "9"
    & skf18("4","1","6","10","10","8","1") = "9"
    & skf18("4","1","6","10","10","9","1") = "9"
    & skf18("4","1","6","10","10","10","1") = "9"
    & skf18("4","1","7","1","1","1","1") = "6"
    & skf18("4","1","7","1","1","2","1") = "6"
    & skf18("4","1","7","1","1","3","1") = "6"
    & skf18("4","1","7","1","1","4","1") = "6"
    & skf18("4","1","7","1","1","5","1") = "6"
    & skf18("4","1","7","1","1","6","1") = "6"
    & skf18("4","1","7","1","1","7","1") = "6"
    & skf18("4","1","7","1","1","8","1") = "7"
    & skf18("4","1","7","1","1","9","1") = "8"
    & skf18("4","1","7","1","1","10","1") = "9"
    & skf18("4","1","7","1","2","1","1") = "6"
    & skf18("4","1","7","1","2","2","1") = "6"
    & skf18("4","1","7","1","2","3","1") = "6"
    & skf18("4","1","7","1","2","4","1") = "6"
    & skf18("4","1","7","1","2","5","1") = "6"
    & skf18("4","1","7","1","2","6","1") = "6"
    & skf18("4","1","7","1","2","7","1") = "6"
    & skf18("4","1","7","1","2","8","1") = "7"
    & skf18("4","1","7","1","2","9","1") = "8"
    & skf18("4","1","7","1","2","10","1") = "9"
    & skf18("4","1","7","1","3","1","1") = "6"
    & skf18("4","1","7","1","3","2","1") = "6"
    & skf18("4","1","7","1","3","3","1") = "6"
    & skf18("4","1","7","1","3","4","1") = "6"
    & skf18("4","1","7","1","3","5","1") = "6"
    & skf18("4","1","7","1","3","6","1") = "6"
    & skf18("4","1","7","1","3","7","1") = "6"
    & skf18("4","1","7","1","3","8","1") = "7"
    & skf18("4","1","7","1","3","9","1") = "8"
    & skf18("4","1","7","1","3","10","1") = "9"
    & skf18("4","1","7","1","4","1","1") = "6"
    & skf18("4","1","7","1","4","2","1") = "6"
    & skf18("4","1","7","1","4","3","1") = "6"
    & skf18("4","1","7","1","4","4","1") = "6"
    & skf18("4","1","7","1","4","5","1") = "6"
    & skf18("4","1","7","1","4","6","1") = "6"
    & skf18("4","1","7","1","4","7","1") = "6"
    & skf18("4","1","7","1","4","8","1") = "7"
    & skf18("4","1","7","1","4","9","1") = "8"
    & skf18("4","1","7","1","4","10","1") = "9"
    & skf18("4","1","7","1","5","1","1") = "6"
    & skf18("4","1","7","1","5","2","1") = "6"
    & skf18("4","1","7","1","5","3","1") = "6"
    & skf18("4","1","7","1","5","4","1") = "6"
    & skf18("4","1","7","1","5","5","1") = "6"
    & skf18("4","1","7","1","5","6","1") = "6"
    & skf18("4","1","7","1","5","7","1") = "6"
    & skf18("4","1","7","1","5","8","1") = "7"
    & skf18("4","1","7","1","5","9","1") = "8"
    & skf18("4","1","7","1","5","10","1") = "9"
    & skf18("4","1","7","1","6","1","1") = "6"
    & skf18("4","1","7","1","6","2","1") = "6"
    & skf18("4","1","7","1","6","3","1") = "6"
    & skf18("4","1","7","1","6","4","1") = "6"
    & skf18("4","1","7","1","6","5","1") = "6"
    & skf18("4","1","7","1","6","6","1") = "6"
    & skf18("4","1","7","1","6","7","1") = "6"
    & skf18("4","1","7","1","6","8","1") = "7"
    & skf18("4","1","7","1","6","9","1") = "8"
    & skf18("4","1","7","1","6","10","1") = "9"
    & skf18("4","1","7","1","7","1","1") = "6"
    & skf18("4","1","7","1","7","2","1") = "6"
    & skf18("4","1","7","1","7","3","1") = "6"
    & skf18("4","1","7","1","7","4","1") = "6"
    & skf18("4","1","7","1","7","5","1") = "6"
    & skf18("4","1","7","1","7","6","1") = "6"
    & skf18("4","1","7","1","7","7","1") = "6"
    & skf18("4","1","7","1","7","8","1") = "7"
    & skf18("4","1","7","1","7","9","1") = "8"
    & skf18("4","1","7","1","7","10","1") = "9"
    & skf18("4","1","7","1","8","1","1") = "7"
    & skf18("4","1","7","1","8","2","1") = "7"
    & skf18("4","1","7","1","8","3","1") = "7"
    & skf18("4","1","7","1","8","4","1") = "7"
    & skf18("4","1","7","1","8","5","1") = "7"
    & skf18("4","1","7","1","8","6","1") = "7"
    & skf18("4","1","7","1","8","7","1") = "7"
    & skf18("4","1","7","1","8","8","1") = "7"
    & skf18("4","1","7","1","8","9","1") = "8"
    & skf18("4","1","7","1","8","10","1") = "9"
    & skf18("4","1","7","1","9","1","1") = "8"
    & skf18("4","1","7","1","9","2","1") = "8"
    & skf18("4","1","7","1","9","3","1") = "8"
    & skf18("4","1","7","1","9","4","1") = "8"
    & skf18("4","1","7","1","9","5","1") = "8"
    & skf18("4","1","7","1","9","6","1") = "8"
    & skf18("4","1","7","1","9","7","1") = "8"
    & skf18("4","1","7","1","9","8","1") = "8"
    & skf18("4","1","7","1","9","9","1") = "8"
    & skf18("4","1","7","1","9","10","1") = "9"
    & skf18("4","1","7","1","10","1","1") = "9"
    & skf18("4","1","7","1","10","2","1") = "9"
    & skf18("4","1","7","1","10","3","1") = "9"
    & skf18("4","1","7","1","10","4","1") = "9"
    & skf18("4","1","7","1","10","5","1") = "9"
    & skf18("4","1","7","1","10","6","1") = "9"
    & skf18("4","1","7","1","10","7","1") = "9"
    & skf18("4","1","7","1","10","8","1") = "9"
    & skf18("4","1","7","1","10","9","1") = "9"
    & skf18("4","1","7","1","10","10","1") = "9"
    & skf18("4","1","7","2","1","1","1") = "6"
    & skf18("4","1","7","2","1","2","1") = "6"
    & skf18("4","1","7","2","1","3","1") = "6"
    & skf18("4","1","7","2","1","4","1") = "6"
    & skf18("4","1","7","2","1","5","1") = "6"
    & skf18("4","1","7","2","1","6","1") = "6"
    & skf18("4","1","7","2","1","7","1") = "6"
    & skf18("4","1","7","2","1","8","1") = "7"
    & skf18("4","1","7","2","1","9","1") = "8"
    & skf18("4","1","7","2","1","10","1") = "9"
    & skf18("4","1","7","2","2","1","1") = "6"
    & skf18("4","1","7","2","2","2","1") = "6"
    & skf18("4","1","7","2","2","3","1") = "6"
    & skf18("4","1","7","2","2","4","1") = "6"
    & skf18("4","1","7","2","2","5","1") = "6"
    & skf18("4","1","7","2","2","6","1") = "6"
    & skf18("4","1","7","2","2","7","1") = "6"
    & skf18("4","1","7","2","2","8","1") = "7"
    & skf18("4","1","7","2","2","9","1") = "8"
    & skf18("4","1","7","2","2","10","1") = "9"
    & skf18("4","1","7","2","3","1","1") = "6"
    & skf18("4","1","7","2","3","2","1") = "6"
    & skf18("4","1","7","2","3","3","1") = "6"
    & skf18("4","1","7","2","3","4","1") = "6"
    & skf18("4","1","7","2","3","5","1") = "6"
    & skf18("4","1","7","2","3","6","1") = "6"
    & skf18("4","1","7","2","3","7","1") = "6"
    & skf18("4","1","7","2","3","8","1") = "7"
    & skf18("4","1","7","2","3","9","1") = "8"
    & skf18("4","1","7","2","3","10","1") = "9"
    & skf18("4","1","7","2","4","1","1") = "6"
    & skf18("4","1","7","2","4","2","1") = "6"
    & skf18("4","1","7","2","4","3","1") = "6"
    & skf18("4","1","7","2","4","4","1") = "6"
    & skf18("4","1","7","2","4","5","1") = "6"
    & skf18("4","1","7","2","4","6","1") = "6"
    & skf18("4","1","7","2","4","7","1") = "6"
    & skf18("4","1","7","2","4","8","1") = "7"
    & skf18("4","1","7","2","4","9","1") = "8"
    & skf18("4","1","7","2","4","10","1") = "9"
    & skf18("4","1","7","2","5","1","1") = "6"
    & skf18("4","1","7","2","5","2","1") = "6"
    & skf18("4","1","7","2","5","3","1") = "6"
    & skf18("4","1","7","2","5","4","1") = "6"
    & skf18("4","1","7","2","5","5","1") = "6"
    & skf18("4","1","7","2","5","6","1") = "6"
    & skf18("4","1","7","2","5","7","1") = "6"
    & skf18("4","1","7","2","5","8","1") = "7"
    & skf18("4","1","7","2","5","9","1") = "8"
    & skf18("4","1","7","2","5","10","1") = "9"
    & skf18("4","1","7","2","6","1","1") = "6"
    & skf18("4","1","7","2","6","2","1") = "6"
    & skf18("4","1","7","2","6","3","1") = "6"
    & skf18("4","1","7","2","6","4","1") = "6"
    & skf18("4","1","7","2","6","5","1") = "6"
    & skf18("4","1","7","2","6","6","1") = "6"
    & skf18("4","1","7","2","6","7","1") = "6"
    & skf18("4","1","7","2","6","8","1") = "7"
    & skf18("4","1","7","2","6","9","1") = "8"
    & skf18("4","1","7","2","6","10","1") = "9"
    & skf18("4","1","7","2","7","1","1") = "6"
    & skf18("4","1","7","2","7","2","1") = "6"
    & skf18("4","1","7","2","7","3","1") = "6"
    & skf18("4","1","7","2","7","4","1") = "6"
    & skf18("4","1","7","2","7","5","1") = "6"
    & skf18("4","1","7","2","7","6","1") = "6"
    & skf18("4","1","7","2","7","7","1") = "6"
    & skf18("4","1","7","2","7","8","1") = "7"
    & skf18("4","1","7","2","7","9","1") = "8"
    & skf18("4","1","7","2","7","10","1") = "9"
    & skf18("4","1","7","2","8","1","1") = "7"
    & skf18("4","1","7","2","8","2","1") = "7"
    & skf18("4","1","7","2","8","3","1") = "7"
    & skf18("4","1","7","2","8","4","1") = "7"
    & skf18("4","1","7","2","8","5","1") = "7"
    & skf18("4","1","7","2","8","6","1") = "7"
    & skf18("4","1","7","2","8","7","1") = "7"
    & skf18("4","1","7","2","8","8","1") = "7"
    & skf18("4","1","7","2","8","9","1") = "8"
    & skf18("4","1","7","2","8","10","1") = "9"
    & skf18("4","1","7","2","9","1","1") = "8"
    & skf18("4","1","7","2","9","2","1") = "8"
    & skf18("4","1","7","2","9","3","1") = "8"
    & skf18("4","1","7","2","9","4","1") = "8"
    & skf18("4","1","7","2","9","5","1") = "8"
    & skf18("4","1","7","2","9","6","1") = "8"
    & skf18("4","1","7","2","9","7","1") = "8"
    & skf18("4","1","7","2","9","8","1") = "8"
    & skf18("4","1","7","2","9","9","1") = "8"
    & skf18("4","1","7","2","9","10","1") = "9"
    & skf18("4","1","7","2","10","1","1") = "9"
    & skf18("4","1","7","2","10","2","1") = "9"
    & skf18("4","1","7","2","10","3","1") = "9"
    & skf18("4","1","7","2","10","4","1") = "9"
    & skf18("4","1","7","2","10","5","1") = "9"
    & skf18("4","1","7","2","10","6","1") = "9"
    & skf18("4","1","7","2","10","7","1") = "9"
    & skf18("4","1","7","2","10","8","1") = "9"
    & skf18("4","1","7","2","10","9","1") = "9"
    & skf18("4","1","7","2","10","10","1") = "9"
    & skf18("4","1","7","3","1","1","1") = "6"
    & skf18("4","1","7","3","1","2","1") = "6"
    & skf18("4","1","7","3","1","3","1") = "6"
    & skf18("4","1","7","3","1","4","1") = "6"
    & skf18("4","1","7","3","1","5","1") = "6"
    & skf18("4","1","7","3","1","6","1") = "6"
    & skf18("4","1","7","3","1","7","1") = "6"
    & skf18("4","1","7","3","1","8","1") = "7"
    & skf18("4","1","7","3","1","9","1") = "8"
    & skf18("4","1","7","3","1","10","1") = "9"
    & skf18("4","1","7","3","2","1","1") = "6"
    & skf18("4","1","7","3","2","2","1") = "6"
    & skf18("4","1","7","3","2","3","1") = "6"
    & skf18("4","1","7","3","2","4","1") = "6"
    & skf18("4","1","7","3","2","5","1") = "6"
    & skf18("4","1","7","3","2","6","1") = "6"
    & skf18("4","1","7","3","2","7","1") = "6"
    & skf18("4","1","7","3","2","8","1") = "7"
    & skf18("4","1","7","3","2","9","1") = "8"
    & skf18("4","1","7","3","2","10","1") = "9"
    & skf18("4","1","7","3","3","1","1") = "6"
    & skf18("4","1","7","3","3","2","1") = "6"
    & skf18("4","1","7","3","3","3","1") = "6"
    & skf18("4","1","7","3","3","4","1") = "6"
    & skf18("4","1","7","3","3","5","1") = "6"
    & skf18("4","1","7","3","3","6","1") = "6"
    & skf18("4","1","7","3","3","7","1") = "6"
    & skf18("4","1","7","3","3","8","1") = "7"
    & skf18("4","1","7","3","3","9","1") = "8"
    & skf18("4","1","7","3","3","10","1") = "9"
    & skf18("4","1","7","3","4","1","1") = "6"
    & skf18("4","1","7","3","4","2","1") = "6"
    & skf18("4","1","7","3","4","3","1") = "6"
    & skf18("4","1","7","3","4","4","1") = "6"
    & skf18("4","1","7","3","4","5","1") = "6"
    & skf18("4","1","7","3","4","6","1") = "6"
    & skf18("4","1","7","3","4","7","1") = "6"
    & skf18("4","1","7","3","4","8","1") = "7"
    & skf18("4","1","7","3","4","9","1") = "8"
    & skf18("4","1","7","3","4","10","1") = "9"
    & skf18("4","1","7","3","5","1","1") = "6"
    & skf18("4","1","7","3","5","2","1") = "6"
    & skf18("4","1","7","3","5","3","1") = "6"
    & skf18("4","1","7","3","5","4","1") = "6"
    & skf18("4","1","7","3","5","5","1") = "6"
    & skf18("4","1","7","3","5","6","1") = "6"
    & skf18("4","1","7","3","5","7","1") = "6"
    & skf18("4","1","7","3","5","8","1") = "7"
    & skf18("4","1","7","3","5","9","1") = "8"
    & skf18("4","1","7","3","5","10","1") = "9"
    & skf18("4","1","7","3","6","1","1") = "6"
    & skf18("4","1","7","3","6","2","1") = "6"
    & skf18("4","1","7","3","6","3","1") = "6"
    & skf18("4","1","7","3","6","4","1") = "6"
    & skf18("4","1","7","3","6","5","1") = "6"
    & skf18("4","1","7","3","6","6","1") = "6"
    & skf18("4","1","7","3","6","7","1") = "6"
    & skf18("4","1","7","3","6","8","1") = "7"
    & skf18("4","1","7","3","6","9","1") = "8"
    & skf18("4","1","7","3","6","10","1") = "9"
    & skf18("4","1","7","3","7","1","1") = "6"
    & skf18("4","1","7","3","7","2","1") = "6"
    & skf18("4","1","7","3","7","3","1") = "6"
    & skf18("4","1","7","3","7","4","1") = "6"
    & skf18("4","1","7","3","7","5","1") = "6"
    & skf18("4","1","7","3","7","6","1") = "6"
    & skf18("4","1","7","3","7","7","1") = "6"
    & skf18("4","1","7","3","7","8","1") = "7"
    & skf18("4","1","7","3","7","9","1") = "8"
    & skf18("4","1","7","3","7","10","1") = "9"
    & skf18("4","1","7","3","8","1","1") = "7"
    & skf18("4","1","7","3","8","2","1") = "7"
    & skf18("4","1","7","3","8","3","1") = "7"
    & skf18("4","1","7","3","8","4","1") = "7"
    & skf18("4","1","7","3","8","5","1") = "7"
    & skf18("4","1","7","3","8","6","1") = "7"
    & skf18("4","1","7","3","8","7","1") = "7"
    & skf18("4","1","7","3","8","8","1") = "7"
    & skf18("4","1","7","3","8","9","1") = "8"
    & skf18("4","1","7","3","8","10","1") = "9"
    & skf18("4","1","7","3","9","1","1") = "8"
    & skf18("4","1","7","3","9","2","1") = "8"
    & skf18("4","1","7","3","9","3","1") = "8"
    & skf18("4","1","7","3","9","4","1") = "8"
    & skf18("4","1","7","3","9","5","1") = "8"
    & skf18("4","1","7","3","9","6","1") = "8"
    & skf18("4","1","7","3","9","7","1") = "8"
    & skf18("4","1","7","3","9","8","1") = "8"
    & skf18("4","1","7","3","9","9","1") = "8"
    & skf18("4","1","7","3","9","10","1") = "9"
    & skf18("4","1","7","3","10","1","1") = "9"
    & skf18("4","1","7","3","10","2","1") = "9"
    & skf18("4","1","7","3","10","3","1") = "9"
    & skf18("4","1","7","3","10","4","1") = "9"
    & skf18("4","1","7","3","10","5","1") = "9"
    & skf18("4","1","7","3","10","6","1") = "9"
    & skf18("4","1","7","3","10","7","1") = "9"
    & skf18("4","1","7","3","10","8","1") = "9"
    & skf18("4","1","7","3","10","9","1") = "9"
    & skf18("4","1","7","3","10","10","1") = "9"
    & skf18("4","1","7","4","1","1","1") = "6"
    & skf18("4","1","7","4","1","2","1") = "6"
    & skf18("4","1","7","4","1","3","1") = "6"
    & skf18("4","1","7","4","1","4","1") = "6"
    & skf18("4","1","7","4","1","5","1") = "6"
    & skf18("4","1","7","4","1","6","1") = "6"
    & skf18("4","1","7","4","1","7","1") = "6"
    & skf18("4","1","7","4","1","8","1") = "7"
    & skf18("4","1","7","4","1","9","1") = "8"
    & skf18("4","1","7","4","1","10","1") = "9"
    & skf18("4","1","7","4","2","1","1") = "6"
    & skf18("4","1","7","4","2","2","1") = "6"
    & skf18("4","1","7","4","2","3","1") = "6"
    & skf18("4","1","7","4","2","4","1") = "6"
    & skf18("4","1","7","4","2","5","1") = "6"
    & skf18("4","1","7","4","2","6","1") = "6"
    & skf18("4","1","7","4","2","7","1") = "6"
    & skf18("4","1","7","4","2","8","1") = "7"
    & skf18("4","1","7","4","2","9","1") = "8"
    & skf18("4","1","7","4","2","10","1") = "9"
    & skf18("4","1","7","4","3","1","1") = "6"
    & skf18("4","1","7","4","3","2","1") = "6"
    & skf18("4","1","7","4","3","3","1") = "6"
    & skf18("4","1","7","4","3","4","1") = "6"
    & skf18("4","1","7","4","3","5","1") = "6"
    & skf18("4","1","7","4","3","6","1") = "6"
    & skf18("4","1","7","4","3","7","1") = "6"
    & skf18("4","1","7","4","3","8","1") = "7"
    & skf18("4","1","7","4","3","9","1") = "8"
    & skf18("4","1","7","4","3","10","1") = "9"
    & skf18("4","1","7","4","4","1","1") = "6"
    & skf18("4","1","7","4","4","2","1") = "6"
    & skf18("4","1","7","4","4","3","1") = "6"
    & skf18("4","1","7","4","4","4","1") = "6"
    & skf18("4","1","7","4","4","5","1") = "6"
    & skf18("4","1","7","4","4","6","1") = "6"
    & skf18("4","1","7","4","4","7","1") = "6"
    & skf18("4","1","7","4","4","8","1") = "7"
    & skf18("4","1","7","4","4","9","1") = "8"
    & skf18("4","1","7","4","4","10","1") = "9"
    & skf18("4","1","7","4","5","1","1") = "6"
    & skf18("4","1","7","4","5","2","1") = "6"
    & skf18("4","1","7","4","5","3","1") = "6"
    & skf18("4","1","7","4","5","4","1") = "6"
    & skf18("4","1","7","4","5","5","1") = "6"
    & skf18("4","1","7","4","5","6","1") = "6"
    & skf18("4","1","7","4","5","7","1") = "6"
    & skf18("4","1","7","4","5","8","1") = "7"
    & skf18("4","1","7","4","5","9","1") = "8"
    & skf18("4","1","7","4","5","10","1") = "9"
    & skf18("4","1","7","4","6","1","1") = "6"
    & skf18("4","1","7","4","6","2","1") = "6"
    & skf18("4","1","7","4","6","3","1") = "6"
    & skf18("4","1","7","4","6","4","1") = "6"
    & skf18("4","1","7","4","6","5","1") = "6"
    & skf18("4","1","7","4","6","6","1") = "6"
    & skf18("4","1","7","4","6","7","1") = "6"
    & skf18("4","1","7","4","6","8","1") = "7"
    & skf18("4","1","7","4","6","9","1") = "8"
    & skf18("4","1","7","4","6","10","1") = "9"
    & skf18("4","1","7","4","7","1","1") = "6"
    & skf18("4","1","7","4","7","2","1") = "6"
    & skf18("4","1","7","4","7","3","1") = "6"
    & skf18("4","1","7","4","7","4","1") = "6"
    & skf18("4","1","7","4","7","5","1") = "6"
    & skf18("4","1","7","4","7","6","1") = "6"
    & skf18("4","1","7","4","7","7","1") = "6"
    & skf18("4","1","7","4","7","8","1") = "7"
    & skf18("4","1","7","4","7","9","1") = "8"
    & skf18("4","1","7","4","7","10","1") = "9"
    & skf18("4","1","7","4","8","1","1") = "7"
    & skf18("4","1","7","4","8","2","1") = "7"
    & skf18("4","1","7","4","8","3","1") = "7"
    & skf18("4","1","7","4","8","4","1") = "7"
    & skf18("4","1","7","4","8","5","1") = "7"
    & skf18("4","1","7","4","8","6","1") = "7"
    & skf18("4","1","7","4","8","7","1") = "7"
    & skf18("4","1","7","4","8","8","1") = "7"
    & skf18("4","1","7","4","8","9","1") = "8"
    & skf18("4","1","7","4","8","10","1") = "9"
    & skf18("4","1","7","4","9","1","1") = "8"
    & skf18("4","1","7","4","9","2","1") = "8"
    & skf18("4","1","7","4","9","3","1") = "8"
    & skf18("4","1","7","4","9","4","1") = "8"
    & skf18("4","1","7","4","9","5","1") = "8"
    & skf18("4","1","7","4","9","6","1") = "8"
    & skf18("4","1","7","4","9","7","1") = "8"
    & skf18("4","1","7","4","9","8","1") = "8"
    & skf18("4","1","7","4","9","9","1") = "8"
    & skf18("4","1","7","4","9","10","1") = "9"
    & skf18("4","1","7","4","10","1","1") = "9"
    & skf18("4","1","7","4","10","2","1") = "9"
    & skf18("4","1","7","4","10","3","1") = "9"
    & skf18("4","1","7","4","10","4","1") = "9"
    & skf18("4","1","7","4","10","5","1") = "9"
    & skf18("4","1","7","4","10","6","1") = "9"
    & skf18("4","1","7","4","10","7","1") = "9"
    & skf18("4","1","7","4","10","8","1") = "9"
    & skf18("4","1","7","4","10","9","1") = "9"
    & skf18("4","1","7","4","10","10","1") = "9"
    & skf18("4","1","7","5","1","1","1") = "6"
    & skf18("4","1","7","5","1","2","1") = "6"
    & skf18("4","1","7","5","1","3","1") = "6"
    & skf18("4","1","7","5","1","4","1") = "6"
    & skf18("4","1","7","5","1","5","1") = "6"
    & skf18("4","1","7","5","1","6","1") = "6"
    & skf18("4","1","7","5","1","7","1") = "6"
    & skf18("4","1","7","5","1","8","1") = "7"
    & skf18("4","1","7","5","1","9","1") = "8"
    & skf18("4","1","7","5","1","10","1") = "9"
    & skf18("4","1","7","5","2","1","1") = "6"
    & skf18("4","1","7","5","2","2","1") = "6"
    & skf18("4","1","7","5","2","3","1") = "6"
    & skf18("4","1","7","5","2","4","1") = "6"
    & skf18("4","1","7","5","2","5","1") = "6"
    & skf18("4","1","7","5","2","6","1") = "6"
    & skf18("4","1","7","5","2","7","1") = "6"
    & skf18("4","1","7","5","2","8","1") = "7"
    & skf18("4","1","7","5","2","9","1") = "8"
    & skf18("4","1","7","5","2","10","1") = "9"
    & skf18("4","1","7","5","3","1","1") = "6"
    & skf18("4","1","7","5","3","2","1") = "6"
    & skf18("4","1","7","5","3","3","1") = "6"
    & skf18("4","1","7","5","3","4","1") = "6"
    & skf18("4","1","7","5","3","5","1") = "6"
    & skf18("4","1","7","5","3","6","1") = "6"
    & skf18("4","1","7","5","3","7","1") = "6"
    & skf18("4","1","7","5","3","8","1") = "7"
    & skf18("4","1","7","5","3","9","1") = "8"
    & skf18("4","1","7","5","3","10","1") = "9"
    & skf18("4","1","7","5","4","1","1") = "6"
    & skf18("4","1","7","5","4","2","1") = "6"
    & skf18("4","1","7","5","4","3","1") = "6"
    & skf18("4","1","7","5","4","4","1") = "6"
    & skf18("4","1","7","5","4","5","1") = "6"
    & skf18("4","1","7","5","4","6","1") = "6"
    & skf18("4","1","7","5","4","7","1") = "6"
    & skf18("4","1","7","5","4","8","1") = "7"
    & skf18("4","1","7","5","4","9","1") = "8"
    & skf18("4","1","7","5","4","10","1") = "9"
    & skf18("4","1","7","5","5","1","1") = "6"
    & skf18("4","1","7","5","5","2","1") = "6"
    & skf18("4","1","7","5","5","3","1") = "6"
    & skf18("4","1","7","5","5","4","1") = "6"
    & skf18("4","1","7","5","5","5","1") = "6"
    & skf18("4","1","7","5","5","6","1") = "6"
    & skf18("4","1","7","5","5","7","1") = "6"
    & skf18("4","1","7","5","5","8","1") = "7"
    & skf18("4","1","7","5","5","9","1") = "8"
    & skf18("4","1","7","5","5","10","1") = "9"
    & skf18("4","1","7","5","6","1","1") = "6"
    & skf18("4","1","7","5","6","2","1") = "6"
    & skf18("4","1","7","5","6","3","1") = "6"
    & skf18("4","1","7","5","6","4","1") = "6"
    & skf18("4","1","7","5","6","5","1") = "6"
    & skf18("4","1","7","5","6","6","1") = "6"
    & skf18("4","1","7","5","6","7","1") = "6"
    & skf18("4","1","7","5","6","8","1") = "7"
    & skf18("4","1","7","5","6","9","1") = "8"
    & skf18("4","1","7","5","6","10","1") = "9"
    & skf18("4","1","7","5","7","1","1") = "6"
    & skf18("4","1","7","5","7","2","1") = "6"
    & skf18("4","1","7","5","7","3","1") = "6"
    & skf18("4","1","7","5","7","4","1") = "6"
    & skf18("4","1","7","5","7","5","1") = "6"
    & skf18("4","1","7","5","7","6","1") = "6"
    & skf18("4","1","7","5","7","7","1") = "6"
    & skf18("4","1","7","5","7","8","1") = "7"
    & skf18("4","1","7","5","7","9","1") = "8"
    & skf18("4","1","7","5","7","10","1") = "9"
    & skf18("4","1","7","5","8","1","1") = "7"
    & skf18("4","1","7","5","8","2","1") = "7"
    & skf18("4","1","7","5","8","3","1") = "7"
    & skf18("4","1","7","5","8","4","1") = "7"
    & skf18("4","1","7","5","8","5","1") = "7"
    & skf18("4","1","7","5","8","6","1") = "7"
    & skf18("4","1","7","5","8","7","1") = "7"
    & skf18("4","1","7","5","8","8","1") = "7"
    & skf18("4","1","7","5","8","9","1") = "8"
    & skf18("4","1","7","5","8","10","1") = "9"
    & skf18("4","1","7","5","9","1","1") = "8"
    & skf18("4","1","7","5","9","2","1") = "8"
    & skf18("4","1","7","5","9","3","1") = "8"
    & skf18("4","1","7","5","9","4","1") = "8"
    & skf18("4","1","7","5","9","5","1") = "8"
    & skf18("4","1","7","5","9","6","1") = "8"
    & skf18("4","1","7","5","9","7","1") = "8"
    & skf18("4","1","7","5","9","8","1") = "8"
    & skf18("4","1","7","5","9","9","1") = "8"
    & skf18("4","1","7","5","9","10","1") = "9"
    & skf18("4","1","7","5","10","1","1") = "9"
    & skf18("4","1","7","5","10","2","1") = "9"
    & skf18("4","1","7","5","10","3","1") = "9"
    & skf18("4","1","7","5","10","4","1") = "9"
    & skf18("4","1","7","5","10","5","1") = "9"
    & skf18("4","1","7","5","10","6","1") = "9"
    & skf18("4","1","7","5","10","7","1") = "9"
    & skf18("4","1","7","5","10","8","1") = "9"
    & skf18("4","1","7","5","10","9","1") = "9"
    & skf18("4","1","7","5","10","10","1") = "9"
    & skf18("4","1","7","6","1","1","1") = "6"
    & skf18("4","1","7","6","1","2","1") = "6"
    & skf18("4","1","7","6","1","3","1") = "6"
    & skf18("4","1","7","6","1","4","1") = "6"
    & skf18("4","1","7","6","1","5","1") = "6"
    & skf18("4","1","7","6","1","6","1") = "6"
    & skf18("4","1","7","6","1","7","1") = "6"
    & skf18("4","1","7","6","1","8","1") = "7"
    & skf18("4","1","7","6","1","9","1") = "8"
    & skf18("4","1","7","6","1","10","1") = "9"
    & skf18("4","1","7","6","2","1","1") = "6"
    & skf18("4","1","7","6","2","2","1") = "6"
    & skf18("4","1","7","6","2","3","1") = "6"
    & skf18("4","1","7","6","2","4","1") = "6"
    & skf18("4","1","7","6","2","5","1") = "6"
    & skf18("4","1","7","6","2","6","1") = "6"
    & skf18("4","1","7","6","2","7","1") = "6"
    & skf18("4","1","7","6","2","8","1") = "7"
    & skf18("4","1","7","6","2","9","1") = "8"
    & skf18("4","1","7","6","2","10","1") = "9"
    & skf18("4","1","7","6","3","1","1") = "6"
    & skf18("4","1","7","6","3","2","1") = "6"
    & skf18("4","1","7","6","3","3","1") = "6"
    & skf18("4","1","7","6","3","4","1") = "6"
    & skf18("4","1","7","6","3","5","1") = "6"
    & skf18("4","1","7","6","3","6","1") = "6"
    & skf18("4","1","7","6","3","7","1") = "6"
    & skf18("4","1","7","6","3","8","1") = "7"
    & skf18("4","1","7","6","3","9","1") = "8"
    & skf18("4","1","7","6","3","10","1") = "9"
    & skf18("4","1","7","6","4","1","1") = "6"
    & skf18("4","1","7","6","4","2","1") = "6"
    & skf18("4","1","7","6","4","3","1") = "6"
    & skf18("4","1","7","6","4","4","1") = "6"
    & skf18("4","1","7","6","4","5","1") = "6"
    & skf18("4","1","7","6","4","6","1") = "6"
    & skf18("4","1","7","6","4","7","1") = "6"
    & skf18("4","1","7","6","4","8","1") = "7"
    & skf18("4","1","7","6","4","9","1") = "8"
    & skf18("4","1","7","6","4","10","1") = "9"
    & skf18("4","1","7","6","5","1","1") = "6"
    & skf18("4","1","7","6","5","2","1") = "6"
    & skf18("4","1","7","6","5","3","1") = "6"
    & skf18("4","1","7","6","5","4","1") = "6"
    & skf18("4","1","7","6","5","5","1") = "6"
    & skf18("4","1","7","6","5","6","1") = "6"
    & skf18("4","1","7","6","5","7","1") = "6"
    & skf18("4","1","7","6","5","8","1") = "7"
    & skf18("4","1","7","6","5","9","1") = "8"
    & skf18("4","1","7","6","5","10","1") = "9"
    & skf18("4","1","7","6","6","1","1") = "6"
    & skf18("4","1","7","6","6","2","1") = "6"
    & skf18("4","1","7","6","6","3","1") = "6"
    & skf18("4","1","7","6","6","4","1") = "6"
    & skf18("4","1","7","6","6","5","1") = "6"
    & skf18("4","1","7","6","6","6","1") = "6"
    & skf18("4","1","7","6","6","7","1") = "6"
    & skf18("4","1","7","6","6","8","1") = "7"
    & skf18("4","1","7","6","6","9","1") = "8"
    & skf18("4","1","7","6","6","10","1") = "9"
    & skf18("4","1","7","6","7","1","1") = "6"
    & skf18("4","1","7","6","7","2","1") = "6"
    & skf18("4","1","7","6","7","3","1") = "6"
    & skf18("4","1","7","6","7","4","1") = "6"
    & skf18("4","1","7","6","7","5","1") = "6"
    & skf18("4","1","7","6","7","6","1") = "6"
    & skf18("4","1","7","6","7","7","1") = "6"
    & skf18("4","1","7","6","7","8","1") = "7"
    & skf18("4","1","7","6","7","9","1") = "8"
    & skf18("4","1","7","6","7","10","1") = "9"
    & skf18("4","1","7","6","8","1","1") = "7"
    & skf18("4","1","7","6","8","2","1") = "7"
    & skf18("4","1","7","6","8","3","1") = "7"
    & skf18("4","1","7","6","8","4","1") = "7"
    & skf18("4","1","7","6","8","5","1") = "7"
    & skf18("4","1","7","6","8","6","1") = "7"
    & skf18("4","1","7","6","8","7","1") = "7"
    & skf18("4","1","7","6","8","8","1") = "7"
    & skf18("4","1","7","6","8","9","1") = "8"
    & skf18("4","1","7","6","8","10","1") = "9"
    & skf18("4","1","7","6","9","1","1") = "8"
    & skf18("4","1","7","6","9","2","1") = "8"
    & skf18("4","1","7","6","9","3","1") = "8"
    & skf18("4","1","7","6","9","4","1") = "8"
    & skf18("4","1","7","6","9","5","1") = "8"
    & skf18("4","1","7","6","9","6","1") = "8"
    & skf18("4","1","7","6","9","7","1") = "8"
    & skf18("4","1","7","6","9","8","1") = "8"
    & skf18("4","1","7","6","9","9","1") = "8"
    & skf18("4","1","7","6","9","10","1") = "9"
    & skf18("4","1","7","6","10","1","1") = "9"
    & skf18("4","1","7","6","10","2","1") = "9"
    & skf18("4","1","7","6","10","3","1") = "9"
    & skf18("4","1","7","6","10","4","1") = "9"
    & skf18("4","1","7","6","10","5","1") = "9"
    & skf18("4","1","7","6","10","6","1") = "9"
    & skf18("4","1","7","6","10","7","1") = "9"
    & skf18("4","1","7","6","10","8","1") = "9"
    & skf18("4","1","7","6","10","9","1") = "9"
    & skf18("4","1","7","6","10","10","1") = "9"
    & skf18("4","1","7","7","1","1","1") = "6"
    & skf18("4","1","7","7","1","2","1") = "6"
    & skf18("4","1","7","7","1","3","1") = "6"
    & skf18("4","1","7","7","1","4","1") = "6"
    & skf18("4","1","7","7","1","5","1") = "6"
    & skf18("4","1","7","7","1","6","1") = "6"
    & skf18("4","1","7","7","1","7","1") = "6"
    & skf18("4","1","7","7","1","8","1") = "7"
    & skf18("4","1","7","7","1","9","1") = "8"
    & skf18("4","1","7","7","1","10","1") = "9"
    & skf18("4","1","7","7","2","1","1") = "6"
    & skf18("4","1","7","7","2","2","1") = "6"
    & skf18("4","1","7","7","2","3","1") = "6"
    & skf18("4","1","7","7","2","4","1") = "6"
    & skf18("4","1","7","7","2","5","1") = "6"
    & skf18("4","1","7","7","2","6","1") = "6"
    & skf18("4","1","7","7","2","7","1") = "6"
    & skf18("4","1","7","7","2","8","1") = "7"
    & skf18("4","1","7","7","2","9","1") = "8"
    & skf18("4","1","7","7","2","10","1") = "9"
    & skf18("4","1","7","7","3","1","1") = "6"
    & skf18("4","1","7","7","3","2","1") = "6"
    & skf18("4","1","7","7","3","3","1") = "6"
    & skf18("4","1","7","7","3","4","1") = "6"
    & skf18("4","1","7","7","3","5","1") = "6"
    & skf18("4","1","7","7","3","6","1") = "6"
    & skf18("4","1","7","7","3","7","1") = "6"
    & skf18("4","1","7","7","3","8","1") = "7"
    & skf18("4","1","7","7","3","9","1") = "8"
    & skf18("4","1","7","7","3","10","1") = "9"
    & skf18("4","1","7","7","4","1","1") = "6"
    & skf18("4","1","7","7","4","2","1") = "6"
    & skf18("4","1","7","7","4","3","1") = "6"
    & skf18("4","1","7","7","4","4","1") = "6"
    & skf18("4","1","7","7","4","5","1") = "6"
    & skf18("4","1","7","7","4","6","1") = "6"
    & skf18("4","1","7","7","4","7","1") = "6"
    & skf18("4","1","7","7","4","8","1") = "7"
    & skf18("4","1","7","7","4","9","1") = "8"
    & skf18("4","1","7","7","4","10","1") = "9"
    & skf18("4","1","7","7","5","1","1") = "6"
    & skf18("4","1","7","7","5","2","1") = "6"
    & skf18("4","1","7","7","5","3","1") = "6"
    & skf18("4","1","7","7","5","4","1") = "6"
    & skf18("4","1","7","7","5","5","1") = "6"
    & skf18("4","1","7","7","5","6","1") = "6"
    & skf18("4","1","7","7","5","7","1") = "6"
    & skf18("4","1","7","7","5","8","1") = "7"
    & skf18("4","1","7","7","5","9","1") = "8"
    & skf18("4","1","7","7","5","10","1") = "9"
    & skf18("4","1","7","7","6","1","1") = "6"
    & skf18("4","1","7","7","6","2","1") = "6"
    & skf18("4","1","7","7","6","3","1") = "6"
    & skf18("4","1","7","7","6","4","1") = "6"
    & skf18("4","1","7","7","6","5","1") = "6"
    & skf18("4","1","7","7","6","6","1") = "6"
    & skf18("4","1","7","7","6","7","1") = "6"
    & skf18("4","1","7","7","6","8","1") = "7"
    & skf18("4","1","7","7","6","9","1") = "8"
    & skf18("4","1","7","7","6","10","1") = "9"
    & skf18("4","1","7","7","7","1","1") = "6"
    & skf18("4","1","7","7","7","2","1") = "6"
    & skf18("4","1","7","7","7","3","1") = "6"
    & skf18("4","1","7","7","7","4","1") = "6"
    & skf18("4","1","7","7","7","5","1") = "6"
    & skf18("4","1","7","7","7","6","1") = "6"
    & skf18("4","1","7","7","7","7","1") = "6"
    & skf18("4","1","7","7","7","8","1") = "7"
    & skf18("4","1","7","7","7","9","1") = "8"
    & skf18("4","1","7","7","7","10","1") = "9"
    & skf18("4","1","7","7","8","1","1") = "7"
    & skf18("4","1","7","7","8","2","1") = "7"
    & skf18("4","1","7","7","8","3","1") = "7"
    & skf18("4","1","7","7","8","4","1") = "7"
    & skf18("4","1","7","7","8","5","1") = "7"
    & skf18("4","1","7","7","8","6","1") = "7"
    & skf18("4","1","7","7","8","7","1") = "7"
    & skf18("4","1","7","7","8","8","1") = "7"
    & skf18("4","1","7","7","8","9","1") = "8"
    & skf18("4","1","7","7","8","10","1") = "9"
    & skf18("4","1","7","7","9","1","1") = "8"
    & skf18("4","1","7","7","9","2","1") = "8"
    & skf18("4","1","7","7","9","3","1") = "8"
    & skf18("4","1","7","7","9","4","1") = "8"
    & skf18("4","1","7","7","9","5","1") = "8"
    & skf18("4","1","7","7","9","6","1") = "8"
    & skf18("4","1","7","7","9","7","1") = "8"
    & skf18("4","1","7","7","9","8","1") = "8"
    & skf18("4","1","7","7","9","9","1") = "8"
    & skf18("4","1","7","7","9","10","1") = "9"
    & skf18("4","1","7","7","10","1","1") = "9"
    & skf18("4","1","7","7","10","2","1") = "9"
    & skf18("4","1","7","7","10","3","1") = "9"
    & skf18("4","1","7","7","10","4","1") = "9"
    & skf18("4","1","7","7","10","5","1") = "9"
    & skf18("4","1","7","7","10","6","1") = "9"
    & skf18("4","1","7","7","10","7","1") = "9"
    & skf18("4","1","7","7","10","8","1") = "9"
    & skf18("4","1","7","7","10","9","1") = "9"
    & skf18("4","1","7","7","10","10","1") = "9"
    & skf18("4","1","7","8","1","1","1") = "7"
    & skf18("4","1","7","8","1","2","1") = "7"
    & skf18("4","1","7","8","1","3","1") = "7"
    & skf18("4","1","7","8","1","4","1") = "7"
    & skf18("4","1","7","8","1","5","1") = "7"
    & skf18("4","1","7","8","1","6","1") = "7"
    & skf18("4","1","7","8","1","7","1") = "7"
    & skf18("4","1","7","8","1","8","1") = "7"
    & skf18("4","1","7","8","1","9","1") = "8"
    & skf18("4","1","7","8","1","10","1") = "9"
    & skf18("4","1","7","8","2","1","1") = "7"
    & skf18("4","1","7","8","2","2","1") = "7"
    & skf18("4","1","7","8","2","3","1") = "7"
    & skf18("4","1","7","8","2","4","1") = "7"
    & skf18("4","1","7","8","2","5","1") = "7"
    & skf18("4","1","7","8","2","6","1") = "7"
    & skf18("4","1","7","8","2","7","1") = "7"
    & skf18("4","1","7","8","2","8","1") = "7"
    & skf18("4","1","7","8","2","9","1") = "8"
    & skf18("4","1","7","8","2","10","1") = "9"
    & skf18("4","1","7","8","3","1","1") = "7"
    & skf18("4","1","7","8","3","2","1") = "7"
    & skf18("4","1","7","8","3","3","1") = "7"
    & skf18("4","1","7","8","3","4","1") = "7"
    & skf18("4","1","7","8","3","5","1") = "7"
    & skf18("4","1","7","8","3","6","1") = "7"
    & skf18("4","1","7","8","3","7","1") = "7"
    & skf18("4","1","7","8","3","8","1") = "7"
    & skf18("4","1","7","8","3","9","1") = "8"
    & skf18("4","1","7","8","3","10","1") = "9"
    & skf18("4","1","7","8","4","1","1") = "7"
    & skf18("4","1","7","8","4","2","1") = "7"
    & skf18("4","1","7","8","4","3","1") = "7"
    & skf18("4","1","7","8","4","4","1") = "7"
    & skf18("4","1","7","8","4","5","1") = "7"
    & skf18("4","1","7","8","4","6","1") = "7"
    & skf18("4","1","7","8","4","7","1") = "7"
    & skf18("4","1","7","8","4","8","1") = "7"
    & skf18("4","1","7","8","4","9","1") = "8"
    & skf18("4","1","7","8","4","10","1") = "9"
    & skf18("4","1","7","8","5","1","1") = "7"
    & skf18("4","1","7","8","5","2","1") = "7"
    & skf18("4","1","7","8","5","3","1") = "7"
    & skf18("4","1","7","8","5","4","1") = "7"
    & skf18("4","1","7","8","5","5","1") = "7"
    & skf18("4","1","7","8","5","6","1") = "7"
    & skf18("4","1","7","8","5","7","1") = "7"
    & skf18("4","1","7","8","5","8","1") = "7"
    & skf18("4","1","7","8","5","9","1") = "8"
    & skf18("4","1","7","8","5","10","1") = "9"
    & skf18("4","1","7","8","6","1","1") = "7"
    & skf18("4","1","7","8","6","2","1") = "7"
    & skf18("4","1","7","8","6","3","1") = "7"
    & skf18("4","1","7","8","6","4","1") = "7"
    & skf18("4","1","7","8","6","5","1") = "7"
    & skf18("4","1","7","8","6","6","1") = "7"
    & skf18("4","1","7","8","6","7","1") = "7"
    & skf18("4","1","7","8","6","8","1") = "7"
    & skf18("4","1","7","8","6","9","1") = "8"
    & skf18("4","1","7","8","6","10","1") = "9"
    & skf18("4","1","7","8","7","1","1") = "7"
    & skf18("4","1","7","8","7","2","1") = "7"
    & skf18("4","1","7","8","7","3","1") = "7"
    & skf18("4","1","7","8","7","4","1") = "7"
    & skf18("4","1","7","8","7","5","1") = "7"
    & skf18("4","1","7","8","7","6","1") = "7"
    & skf18("4","1","7","8","7","7","1") = "7"
    & skf18("4","1","7","8","7","8","1") = "7"
    & skf18("4","1","7","8","7","9","1") = "8"
    & skf18("4","1","7","8","7","10","1") = "9"
    & skf18("4","1","7","8","8","1","1") = "7"
    & skf18("4","1","7","8","8","2","1") = "7"
    & skf18("4","1","7","8","8","3","1") = "7"
    & skf18("4","1","7","8","8","4","1") = "7"
    & skf18("4","1","7","8","8","5","1") = "7"
    & skf18("4","1","7","8","8","6","1") = "7"
    & skf18("4","1","7","8","8","7","1") = "7"
    & skf18("4","1","7","8","8","8","1") = "7"
    & skf18("4","1","7","8","8","9","1") = "8"
    & skf18("4","1","7","8","8","10","1") = "9"
    & skf18("4","1","7","8","9","1","1") = "8"
    & skf18("4","1","7","8","9","2","1") = "8"
    & skf18("4","1","7","8","9","3","1") = "8"
    & skf18("4","1","7","8","9","4","1") = "8"
    & skf18("4","1","7","8","9","5","1") = "8"
    & skf18("4","1","7","8","9","6","1") = "8"
    & skf18("4","1","7","8","9","7","1") = "8"
    & skf18("4","1","7","8","9","8","1") = "8"
    & skf18("4","1","7","8","9","9","1") = "8"
    & skf18("4","1","7","8","9","10","1") = "9"
    & skf18("4","1","7","8","10","1","1") = "9"
    & skf18("4","1","7","8","10","2","1") = "9"
    & skf18("4","1","7","8","10","3","1") = "9"
    & skf18("4","1","7","8","10","4","1") = "9"
    & skf18("4","1","7","8","10","5","1") = "9"
    & skf18("4","1","7","8","10","6","1") = "9"
    & skf18("4","1","7","8","10","7","1") = "9"
    & skf18("4","1","7","8","10","8","1") = "9"
    & skf18("4","1","7","8","10","9","1") = "9"
    & skf18("4","1","7","8","10","10","1") = "9"
    & skf18("4","1","7","9","1","1","1") = "8"
    & skf18("4","1","7","9","1","2","1") = "8"
    & skf18("4","1","7","9","1","3","1") = "8"
    & skf18("4","1","7","9","1","4","1") = "8"
    & skf18("4","1","7","9","1","5","1") = "8"
    & skf18("4","1","7","9","1","6","1") = "8"
    & skf18("4","1","7","9","1","7","1") = "8"
    & skf18("4","1","7","9","1","8","1") = "8"
    & skf18("4","1","7","9","1","9","1") = "8"
    & skf18("4","1","7","9","1","10","1") = "9"
    & skf18("4","1","7","9","2","1","1") = "8"
    & skf18("4","1","7","9","2","2","1") = "8"
    & skf18("4","1","7","9","2","3","1") = "8"
    & skf18("4","1","7","9","2","4","1") = "8"
    & skf18("4","1","7","9","2","5","1") = "8"
    & skf18("4","1","7","9","2","6","1") = "8"
    & skf18("4","1","7","9","2","7","1") = "8"
    & skf18("4","1","7","9","2","8","1") = "8"
    & skf18("4","1","7","9","2","9","1") = "8"
    & skf18("4","1","7","9","2","10","1") = "9"
    & skf18("4","1","7","9","3","1","1") = "8"
    & skf18("4","1","7","9","3","2","1") = "8"
    & skf18("4","1","7","9","3","3","1") = "8"
    & skf18("4","1","7","9","3","4","1") = "8"
    & skf18("4","1","7","9","3","5","1") = "8"
    & skf18("4","1","7","9","3","6","1") = "8"
    & skf18("4","1","7","9","3","7","1") = "8"
    & skf18("4","1","7","9","3","8","1") = "8"
    & skf18("4","1","7","9","3","9","1") = "8"
    & skf18("4","1","7","9","3","10","1") = "9"
    & skf18("4","1","7","9","4","1","1") = "8"
    & skf18("4","1","7","9","4","2","1") = "8"
    & skf18("4","1","7","9","4","3","1") = "8"
    & skf18("4","1","7","9","4","4","1") = "8"
    & skf18("4","1","7","9","4","5","1") = "8"
    & skf18("4","1","7","9","4","6","1") = "8"
    & skf18("4","1","7","9","4","7","1") = "8"
    & skf18("4","1","7","9","4","8","1") = "8"
    & skf18("4","1","7","9","4","9","1") = "8"
    & skf18("4","1","7","9","4","10","1") = "9"
    & skf18("4","1","7","9","5","1","1") = "8"
    & skf18("4","1","7","9","5","2","1") = "8"
    & skf18("4","1","7","9","5","3","1") = "8"
    & skf18("4","1","7","9","5","4","1") = "8"
    & skf18("4","1","7","9","5","5","1") = "8"
    & skf18("4","1","7","9","5","6","1") = "8"
    & skf18("4","1","7","9","5","7","1") = "8"
    & skf18("4","1","7","9","5","8","1") = "8"
    & skf18("4","1","7","9","5","9","1") = "8"
    & skf18("4","1","7","9","5","10","1") = "9"
    & skf18("4","1","7","9","6","1","1") = "8"
    & skf18("4","1","7","9","6","2","1") = "8"
    & skf18("4","1","7","9","6","3","1") = "8"
    & skf18("4","1","7","9","6","4","1") = "8"
    & skf18("4","1","7","9","6","5","1") = "8"
    & skf18("4","1","7","9","6","6","1") = "8"
    & skf18("4","1","7","9","6","7","1") = "8"
    & skf18("4","1","7","9","6","8","1") = "8"
    & skf18("4","1","7","9","6","9","1") = "8"
    & skf18("4","1","7","9","6","10","1") = "9"
    & skf18("4","1","7","9","7","1","1") = "8"
    & skf18("4","1","7","9","7","2","1") = "8"
    & skf18("4","1","7","9","7","3","1") = "8"
    & skf18("4","1","7","9","7","4","1") = "8"
    & skf18("4","1","7","9","7","5","1") = "8"
    & skf18("4","1","7","9","7","6","1") = "8"
    & skf18("4","1","7","9","7","7","1") = "8"
    & skf18("4","1","7","9","7","8","1") = "8"
    & skf18("4","1","7","9","7","9","1") = "8"
    & skf18("4","1","7","9","7","10","1") = "9"
    & skf18("4","1","7","9","8","1","1") = "8"
    & skf18("4","1","7","9","8","2","1") = "8"
    & skf18("4","1","7","9","8","3","1") = "8"
    & skf18("4","1","7","9","8","4","1") = "8"
    & skf18("4","1","7","9","8","5","1") = "8"
    & skf18("4","1","7","9","8","6","1") = "8"
    & skf18("4","1","7","9","8","7","1") = "8"
    & skf18("4","1","7","9","8","8","1") = "8"
    & skf18("4","1","7","9","8","9","1") = "8"
    & skf18("4","1","7","9","8","10","1") = "9"
    & skf18("4","1","7","9","9","1","1") = "8"
    & skf18("4","1","7","9","9","2","1") = "8"
    & skf18("4","1","7","9","9","3","1") = "8"
    & skf18("4","1","7","9","9","4","1") = "8"
    & skf18("4","1","7","9","9","5","1") = "8"
    & skf18("4","1","7","9","9","6","1") = "8"
    & skf18("4","1","7","9","9","7","1") = "8"
    & skf18("4","1","7","9","9","8","1") = "8"
    & skf18("4","1","7","9","9","9","1") = "8"
    & skf18("4","1","7","9","9","10","1") = "9"
    & skf18("4","1","7","9","10","1","1") = "9"
    & skf18("4","1","7","9","10","2","1") = "9"
    & skf18("4","1","7","9","10","3","1") = "9"
    & skf18("4","1","7","9","10","4","1") = "9"
    & skf18("4","1","7","9","10","5","1") = "9"
    & skf18("4","1","7","9","10","6","1") = "9"
    & skf18("4","1","7","9","10","7","1") = "9"
    & skf18("4","1","7","9","10","8","1") = "9"
    & skf18("4","1","7","9","10","9","1") = "9"
    & skf18("4","1","7","9","10","10","1") = "9"
    & skf18("4","1","7","10","1","1","1") = "9"
    & skf18("4","1","7","10","1","2","1") = "9"
    & skf18("4","1","7","10","1","3","1") = "9"
    & skf18("4","1","7","10","1","4","1") = "9"
    & skf18("4","1","7","10","1","5","1") = "9"
    & skf18("4","1","7","10","1","6","1") = "9"
    & skf18("4","1","7","10","1","7","1") = "9"
    & skf18("4","1","7","10","1","8","1") = "9"
    & skf18("4","1","7","10","1","9","1") = "9"
    & skf18("4","1","7","10","1","10","1") = "9"
    & skf18("4","1","7","10","2","1","1") = "9"
    & skf18("4","1","7","10","2","2","1") = "9"
    & skf18("4","1","7","10","2","3","1") = "9"
    & skf18("4","1","7","10","2","4","1") = "9"
    & skf18("4","1","7","10","2","5","1") = "9"
    & skf18("4","1","7","10","2","6","1") = "9"
    & skf18("4","1","7","10","2","7","1") = "9"
    & skf18("4","1","7","10","2","8","1") = "9"
    & skf18("4","1","7","10","2","9","1") = "9"
    & skf18("4","1","7","10","2","10","1") = "9"
    & skf18("4","1","7","10","3","1","1") = "9"
    & skf18("4","1","7","10","3","2","1") = "9"
    & skf18("4","1","7","10","3","3","1") = "9"
    & skf18("4","1","7","10","3","4","1") = "9"
    & skf18("4","1","7","10","3","5","1") = "9"
    & skf18("4","1","7","10","3","6","1") = "9"
    & skf18("4","1","7","10","3","7","1") = "9"
    & skf18("4","1","7","10","3","8","1") = "9"
    & skf18("4","1","7","10","3","9","1") = "9"
    & skf18("4","1","7","10","3","10","1") = "9"
    & skf18("4","1","7","10","4","1","1") = "9"
    & skf18("4","1","7","10","4","2","1") = "9"
    & skf18("4","1","7","10","4","3","1") = "9"
    & skf18("4","1","7","10","4","4","1") = "9"
    & skf18("4","1","7","10","4","5","1") = "9"
    & skf18("4","1","7","10","4","6","1") = "9"
    & skf18("4","1","7","10","4","7","1") = "9"
    & skf18("4","1","7","10","4","8","1") = "9"
    & skf18("4","1","7","10","4","9","1") = "9"
    & skf18("4","1","7","10","4","10","1") = "9"
    & skf18("4","1","7","10","5","1","1") = "9"
    & skf18("4","1","7","10","5","2","1") = "9"
    & skf18("4","1","7","10","5","3","1") = "9"
    & skf18("4","1","7","10","5","4","1") = "9"
    & skf18("4","1","7","10","5","5","1") = "9"
    & skf18("4","1","7","10","5","6","1") = "9"
    & skf18("4","1","7","10","5","7","1") = "9"
    & skf18("4","1","7","10","5","8","1") = "9"
    & skf18("4","1","7","10","5","9","1") = "9"
    & skf18("4","1","7","10","5","10","1") = "9"
    & skf18("4","1","7","10","6","1","1") = "9"
    & skf18("4","1","7","10","6","2","1") = "9"
    & skf18("4","1","7","10","6","3","1") = "9"
    & skf18("4","1","7","10","6","4","1") = "9"
    & skf18("4","1","7","10","6","5","1") = "9"
    & skf18("4","1","7","10","6","6","1") = "9"
    & skf18("4","1","7","10","6","7","1") = "9"
    & skf18("4","1","7","10","6","8","1") = "9"
    & skf18("4","1","7","10","6","9","1") = "9"
    & skf18("4","1","7","10","6","10","1") = "9"
    & skf18("4","1","7","10","7","1","1") = "9"
    & skf18("4","1","7","10","7","2","1") = "9"
    & skf18("4","1","7","10","7","3","1") = "9"
    & skf18("4","1","7","10","7","4","1") = "9"
    & skf18("4","1","7","10","7","5","1") = "9"
    & skf18("4","1","7","10","7","6","1") = "9"
    & skf18("4","1","7","10","7","7","1") = "9"
    & skf18("4","1","7","10","7","8","1") = "9"
    & skf18("4","1","7","10","7","9","1") = "9"
    & skf18("4","1","7","10","7","10","1") = "9"
    & skf18("4","1","7","10","8","1","1") = "9"
    & skf18("4","1","7","10","8","2","1") = "9"
    & skf18("4","1","7","10","8","3","1") = "9"
    & skf18("4","1","7","10","8","4","1") = "9"
    & skf18("4","1","7","10","8","5","1") = "9"
    & skf18("4","1","7","10","8","6","1") = "9"
    & skf18("4","1","7","10","8","7","1") = "9"
    & skf18("4","1","7","10","8","8","1") = "9"
    & skf18("4","1","7","10","8","9","1") = "9"
    & skf18("4","1","7","10","8","10","1") = "9"
    & skf18("4","1","7","10","9","1","1") = "9"
    & skf18("4","1","7","10","9","2","1") = "9"
    & skf18("4","1","7","10","9","3","1") = "9"
    & skf18("4","1","7","10","9","4","1") = "9"
    & skf18("4","1","7","10","9","5","1") = "9"
    & skf18("4","1","7","10","9","6","1") = "9"
    & skf18("4","1","7","10","9","7","1") = "9"
    & skf18("4","1","7","10","9","8","1") = "9"
    & skf18("4","1","7","10","9","9","1") = "9"
    & skf18("4","1","7","10","9","10","1") = "9"
    & skf18("4","1","7","10","10","1","1") = "9"
    & skf18("4","1","7","10","10","2","1") = "9"
    & skf18("4","1","7","10","10","3","1") = "9"
    & skf18("4","1","7","10","10","4","1") = "9"
    & skf18("4","1","7","10","10","5","1") = "9"
    & skf18("4","1","7","10","10","6","1") = "9"
    & skf18("4","1","7","10","10","7","1") = "9"
    & skf18("4","1","7","10","10","8","1") = "9"
    & skf18("4","1","7","10","10","9","1") = "9"
    & skf18("4","1","7","10","10","10","1") = "9"
    & skf18("4","1","8","1","1","1","1") = "7"
    & skf18("4","1","8","1","1","2","1") = "7"
    & skf18("4","1","8","1","1","3","1") = "7"
    & skf18("4","1","8","1","1","4","1") = "7"
    & skf18("4","1","8","1","1","5","1") = "7"
    & skf18("4","1","8","1","1","6","1") = "7"
    & skf18("4","1","8","1","1","7","1") = "7"
    & skf18("4","1","8","1","1","8","1") = "7"
    & skf18("4","1","8","1","1","9","1") = "8"
    & skf18("4","1","8","1","1","10","1") = "9"
    & skf18("4","1","8","1","2","1","1") = "7"
    & skf18("4","1","8","1","2","2","1") = "7"
    & skf18("4","1","8","1","2","3","1") = "7"
    & skf18("4","1","8","1","2","4","1") = "7"
    & skf18("4","1","8","1","2","5","1") = "7"
    & skf18("4","1","8","1","2","6","1") = "7"
    & skf18("4","1","8","1","2","7","1") = "7"
    & skf18("4","1","8","1","2","8","1") = "7"
    & skf18("4","1","8","1","2","9","1") = "8"
    & skf18("4","1","8","1","2","10","1") = "9"
    & skf18("4","1","8","1","3","1","1") = "7"
    & skf18("4","1","8","1","3","2","1") = "7"
    & skf18("4","1","8","1","3","3","1") = "7"
    & skf18("4","1","8","1","3","4","1") = "7"
    & skf18("4","1","8","1","3","5","1") = "7"
    & skf18("4","1","8","1","3","6","1") = "7"
    & skf18("4","1","8","1","3","7","1") = "7"
    & skf18("4","1","8","1","3","8","1") = "7"
    & skf18("4","1","8","1","3","9","1") = "8"
    & skf18("4","1","8","1","3","10","1") = "9"
    & skf18("4","1","8","1","4","1","1") = "7"
    & skf18("4","1","8","1","4","2","1") = "7"
    & skf18("4","1","8","1","4","3","1") = "7"
    & skf18("4","1","8","1","4","4","1") = "7"
    & skf18("4","1","8","1","4","5","1") = "7"
    & skf18("4","1","8","1","4","6","1") = "7"
    & skf18("4","1","8","1","4","7","1") = "7"
    & skf18("4","1","8","1","4","8","1") = "7"
    & skf18("4","1","8","1","4","9","1") = "8"
    & skf18("4","1","8","1","4","10","1") = "9"
    & skf18("4","1","8","1","5","1","1") = "7"
    & skf18("4","1","8","1","5","2","1") = "7"
    & skf18("4","1","8","1","5","3","1") = "7"
    & skf18("4","1","8","1","5","4","1") = "7"
    & skf18("4","1","8","1","5","5","1") = "7"
    & skf18("4","1","8","1","5","6","1") = "7"
    & skf18("4","1","8","1","5","7","1") = "7"
    & skf18("4","1","8","1","5","8","1") = "7"
    & skf18("4","1","8","1","5","9","1") = "8"
    & skf18("4","1","8","1","5","10","1") = "9"
    & skf18("4","1","8","1","6","1","1") = "7"
    & skf18("4","1","8","1","6","2","1") = "7"
    & skf18("4","1","8","1","6","3","1") = "7"
    & skf18("4","1","8","1","6","4","1") = "7"
    & skf18("4","1","8","1","6","5","1") = "7"
    & skf18("4","1","8","1","6","6","1") = "7"
    & skf18("4","1","8","1","6","7","1") = "7"
    & skf18("4","1","8","1","6","8","1") = "7"
    & skf18("4","1","8","1","6","9","1") = "8"
    & skf18("4","1","8","1","6","10","1") = "9"
    & skf18("4","1","8","1","7","1","1") = "7"
    & skf18("4","1","8","1","7","2","1") = "7"
    & skf18("4","1","8","1","7","3","1") = "7"
    & skf18("4","1","8","1","7","4","1") = "7"
    & skf18("4","1","8","1","7","5","1") = "7"
    & skf18("4","1","8","1","7","6","1") = "7"
    & skf18("4","1","8","1","7","7","1") = "7"
    & skf18("4","1","8","1","7","8","1") = "7"
    & skf18("4","1","8","1","7","9","1") = "8"
    & skf18("4","1","8","1","7","10","1") = "9"
    & skf18("4","1","8","1","8","1","1") = "7"
    & skf18("4","1","8","1","8","2","1") = "7"
    & skf18("4","1","8","1","8","3","1") = "7"
    & skf18("4","1","8","1","8","4","1") = "7"
    & skf18("4","1","8","1","8","5","1") = "7"
    & skf18("4","1","8","1","8","6","1") = "7"
    & skf18("4","1","8","1","8","7","1") = "7"
    & skf18("4","1","8","1","8","8","1") = "7"
    & skf18("4","1","8","1","8","9","1") = "8"
    & skf18("4","1","8","1","8","10","1") = "9"
    & skf18("4","1","8","1","9","1","1") = "8"
    & skf18("4","1","8","1","9","2","1") = "8"
    & skf18("4","1","8","1","9","3","1") = "8"
    & skf18("4","1","8","1","9","4","1") = "8"
    & skf18("4","1","8","1","9","5","1") = "8"
    & skf18("4","1","8","1","9","6","1") = "8"
    & skf18("4","1","8","1","9","7","1") = "8"
    & skf18("4","1","8","1","9","8","1") = "8"
    & skf18("4","1","8","1","9","9","1") = "8"
    & skf18("4","1","8","1","9","10","1") = "9"
    & skf18("4","1","8","1","10","1","1") = "9"
    & skf18("4","1","8","1","10","2","1") = "9"
    & skf18("4","1","8","1","10","3","1") = "9"
    & skf18("4","1","8","1","10","4","1") = "9"
    & skf18("4","1","8","1","10","5","1") = "9"
    & skf18("4","1","8","1","10","6","1") = "9"
    & skf18("4","1","8","1","10","7","1") = "9"
    & skf18("4","1","8","1","10","8","1") = "9"
    & skf18("4","1","8","1","10","9","1") = "9"
    & skf18("4","1","8","1","10","10","1") = "9"
    & skf18("4","1","8","2","1","1","1") = "7"
    & skf18("4","1","8","2","1","2","1") = "7"
    & skf18("4","1","8","2","1","3","1") = "7"
    & skf18("4","1","8","2","1","4","1") = "7"
    & skf18("4","1","8","2","1","5","1") = "7"
    & skf18("4","1","8","2","1","6","1") = "7"
    & skf18("4","1","8","2","1","7","1") = "7"
    & skf18("4","1","8","2","1","8","1") = "7"
    & skf18("4","1","8","2","1","9","1") = "8"
    & skf18("4","1","8","2","1","10","1") = "9"
    & skf18("4","1","8","2","2","1","1") = "7"
    & skf18("4","1","8","2","2","2","1") = "7"
    & skf18("4","1","8","2","2","3","1") = "7"
    & skf18("4","1","8","2","2","4","1") = "7"
    & skf18("4","1","8","2","2","5","1") = "7"
    & skf18("4","1","8","2","2","6","1") = "7"
    & skf18("4","1","8","2","2","7","1") = "7"
    & skf18("4","1","8","2","2","8","1") = "7"
    & skf18("4","1","8","2","2","9","1") = "8"
    & skf18("4","1","8","2","2","10","1") = "9"
    & skf18("4","1","8","2","3","1","1") = "7"
    & skf18("4","1","8","2","3","2","1") = "7"
    & skf18("4","1","8","2","3","3","1") = "7"
    & skf18("4","1","8","2","3","4","1") = "7"
    & skf18("4","1","8","2","3","5","1") = "7"
    & skf18("4","1","8","2","3","6","1") = "7"
    & skf18("4","1","8","2","3","7","1") = "7"
    & skf18("4","1","8","2","3","8","1") = "7"
    & skf18("4","1","8","2","3","9","1") = "8"
    & skf18("4","1","8","2","3","10","1") = "9"
    & skf18("4","1","8","2","4","1","1") = "7"
    & skf18("4","1","8","2","4","2","1") = "7"
    & skf18("4","1","8","2","4","3","1") = "7"
    & skf18("4","1","8","2","4","4","1") = "7"
    & skf18("4","1","8","2","4","5","1") = "7"
    & skf18("4","1","8","2","4","6","1") = "7"
    & skf18("4","1","8","2","4","7","1") = "7"
    & skf18("4","1","8","2","4","8","1") = "7"
    & skf18("4","1","8","2","4","9","1") = "8"
    & skf18("4","1","8","2","4","10","1") = "9"
    & skf18("4","1","8","2","5","1","1") = "7"
    & skf18("4","1","8","2","5","2","1") = "7"
    & skf18("4","1","8","2","5","3","1") = "7"
    & skf18("4","1","8","2","5","4","1") = "7"
    & skf18("4","1","8","2","5","5","1") = "7"
    & skf18("4","1","8","2","5","6","1") = "7"
    & skf18("4","1","8","2","5","7","1") = "7"
    & skf18("4","1","8","2","5","8","1") = "7"
    & skf18("4","1","8","2","5","9","1") = "8"
    & skf18("4","1","8","2","5","10","1") = "9"
    & skf18("4","1","8","2","6","1","1") = "7"
    & skf18("4","1","8","2","6","2","1") = "7"
    & skf18("4","1","8","2","6","3","1") = "7"
    & skf18("4","1","8","2","6","4","1") = "7"
    & skf18("4","1","8","2","6","5","1") = "7"
    & skf18("4","1","8","2","6","6","1") = "7"
    & skf18("4","1","8","2","6","7","1") = "7"
    & skf18("4","1","8","2","6","8","1") = "7"
    & skf18("4","1","8","2","6","9","1") = "8"
    & skf18("4","1","8","2","6","10","1") = "9"
    & skf18("4","1","8","2","7","1","1") = "7"
    & skf18("4","1","8","2","7","2","1") = "7"
    & skf18("4","1","8","2","7","3","1") = "7"
    & skf18("4","1","8","2","7","4","1") = "7"
    & skf18("4","1","8","2","7","5","1") = "7"
    & skf18("4","1","8","2","7","6","1") = "7"
    & skf18("4","1","8","2","7","7","1") = "7"
    & skf18("4","1","8","2","7","8","1") = "7"
    & skf18("4","1","8","2","7","9","1") = "8"
    & skf18("4","1","8","2","7","10","1") = "9"
    & skf18("4","1","8","2","8","1","1") = "7"
    & skf18("4","1","8","2","8","2","1") = "7"
    & skf18("4","1","8","2","8","3","1") = "7"
    & skf18("4","1","8","2","8","4","1") = "7"
    & skf18("4","1","8","2","8","5","1") = "7"
    & skf18("4","1","8","2","8","6","1") = "7"
    & skf18("4","1","8","2","8","7","1") = "7"
    & skf18("4","1","8","2","8","8","1") = "7"
    & skf18("4","1","8","2","8","9","1") = "8"
    & skf18("4","1","8","2","8","10","1") = "9"
    & skf18("4","1","8","2","9","1","1") = "8"
    & skf18("4","1","8","2","9","2","1") = "8"
    & skf18("4","1","8","2","9","3","1") = "8"
    & skf18("4","1","8","2","9","4","1") = "8"
    & skf18("4","1","8","2","9","5","1") = "8"
    & skf18("4","1","8","2","9","6","1") = "8"
    & skf18("4","1","8","2","9","7","1") = "8"
    & skf18("4","1","8","2","9","8","1") = "8"
    & skf18("4","1","8","2","9","9","1") = "8"
    & skf18("4","1","8","2","9","10","1") = "9"
    & skf18("4","1","8","2","10","1","1") = "9"
    & skf18("4","1","8","2","10","2","1") = "9"
    & skf18("4","1","8","2","10","3","1") = "9"
    & skf18("4","1","8","2","10","4","1") = "9"
    & skf18("4","1","8","2","10","5","1") = "9"
    & skf18("4","1","8","2","10","6","1") = "9"
    & skf18("4","1","8","2","10","7","1") = "9"
    & skf18("4","1","8","2","10","8","1") = "9"
    & skf18("4","1","8","2","10","9","1") = "9"
    & skf18("4","1","8","2","10","10","1") = "9"
    & skf18("4","1","8","3","1","1","1") = "7"
    & skf18("4","1","8","3","1","2","1") = "7"
    & skf18("4","1","8","3","1","3","1") = "7"
    & skf18("4","1","8","3","1","4","1") = "7"
    & skf18("4","1","8","3","1","5","1") = "7"
    & skf18("4","1","8","3","1","6","1") = "7"
    & skf18("4","1","8","3","1","7","1") = "7"
    & skf18("4","1","8","3","1","8","1") = "7"
    & skf18("4","1","8","3","1","9","1") = "8"
    & skf18("4","1","8","3","1","10","1") = "9"
    & skf18("4","1","8","3","2","1","1") = "7"
    & skf18("4","1","8","3","2","2","1") = "7"
    & skf18("4","1","8","3","2","3","1") = "7"
    & skf18("4","1","8","3","2","4","1") = "7"
    & skf18("4","1","8","3","2","5","1") = "7"
    & skf18("4","1","8","3","2","6","1") = "7"
    & skf18("4","1","8","3","2","7","1") = "7"
    & skf18("4","1","8","3","2","8","1") = "7"
    & skf18("4","1","8","3","2","9","1") = "8"
    & skf18("4","1","8","3","2","10","1") = "9"
    & skf18("4","1","8","3","3","1","1") = "7"
    & skf18("4","1","8","3","3","2","1") = "7"
    & skf18("4","1","8","3","3","3","1") = "7"
    & skf18("4","1","8","3","3","4","1") = "7"
    & skf18("4","1","8","3","3","5","1") = "7"
    & skf18("4","1","8","3","3","6","1") = "7"
    & skf18("4","1","8","3","3","7","1") = "7"
    & skf18("4","1","8","3","3","8","1") = "7"
    & skf18("4","1","8","3","3","9","1") = "8"
    & skf18("4","1","8","3","3","10","1") = "9"
    & skf18("4","1","8","3","4","1","1") = "7"
    & skf18("4","1","8","3","4","2","1") = "7"
    & skf18("4","1","8","3","4","3","1") = "7"
    & skf18("4","1","8","3","4","4","1") = "7"
    & skf18("4","1","8","3","4","5","1") = "7"
    & skf18("4","1","8","3","4","6","1") = "7"
    & skf18("4","1","8","3","4","7","1") = "7"
    & skf18("4","1","8","3","4","8","1") = "7"
    & skf18("4","1","8","3","4","9","1") = "8"
    & skf18("4","1","8","3","4","10","1") = "9"
    & skf18("4","1","8","3","5","1","1") = "7"
    & skf18("4","1","8","3","5","2","1") = "7"
    & skf18("4","1","8","3","5","3","1") = "7"
    & skf18("4","1","8","3","5","4","1") = "7"
    & skf18("4","1","8","3","5","5","1") = "7"
    & skf18("4","1","8","3","5","6","1") = "7"
    & skf18("4","1","8","3","5","7","1") = "7"
    & skf18("4","1","8","3","5","8","1") = "7"
    & skf18("4","1","8","3","5","9","1") = "8"
    & skf18("4","1","8","3","5","10","1") = "9"
    & skf18("4","1","8","3","6","1","1") = "7"
    & skf18("4","1","8","3","6","2","1") = "7"
    & skf18("4","1","8","3","6","3","1") = "7"
    & skf18("4","1","8","3","6","4","1") = "7"
    & skf18("4","1","8","3","6","5","1") = "7"
    & skf18("4","1","8","3","6","6","1") = "7"
    & skf18("4","1","8","3","6","7","1") = "7"
    & skf18("4","1","8","3","6","8","1") = "7"
    & skf18("4","1","8","3","6","9","1") = "8"
    & skf18("4","1","8","3","6","10","1") = "9"
    & skf18("4","1","8","3","7","1","1") = "7"
    & skf18("4","1","8","3","7","2","1") = "7"
    & skf18("4","1","8","3","7","3","1") = "7"
    & skf18("4","1","8","3","7","4","1") = "7"
    & skf18("4","1","8","3","7","5","1") = "7"
    & skf18("4","1","8","3","7","6","1") = "7"
    & skf18("4","1","8","3","7","7","1") = "7"
    & skf18("4","1","8","3","7","8","1") = "7"
    & skf18("4","1","8","3","7","9","1") = "8"
    & skf18("4","1","8","3","7","10","1") = "9"
    & skf18("4","1","8","3","8","1","1") = "7"
    & skf18("4","1","8","3","8","2","1") = "7"
    & skf18("4","1","8","3","8","3","1") = "7"
    & skf18("4","1","8","3","8","4","1") = "7"
    & skf18("4","1","8","3","8","5","1") = "7"
    & skf18("4","1","8","3","8","6","1") = "7"
    & skf18("4","1","8","3","8","7","1") = "7"
    & skf18("4","1","8","3","8","8","1") = "7"
    & skf18("4","1","8","3","8","9","1") = "8"
    & skf18("4","1","8","3","8","10","1") = "9"
    & skf18("4","1","8","3","9","1","1") = "8"
    & skf18("4","1","8","3","9","2","1") = "8"
    & skf18("4","1","8","3","9","3","1") = "8"
    & skf18("4","1","8","3","9","4","1") = "8"
    & skf18("4","1","8","3","9","5","1") = "8"
    & skf18("4","1","8","3","9","6","1") = "8"
    & skf18("4","1","8","3","9","7","1") = "8"
    & skf18("4","1","8","3","9","8","1") = "8"
    & skf18("4","1","8","3","9","9","1") = "8"
    & skf18("4","1","8","3","9","10","1") = "9"
    & skf18("4","1","8","3","10","1","1") = "9"
    & skf18("4","1","8","3","10","2","1") = "9"
    & skf18("4","1","8","3","10","3","1") = "9"
    & skf18("4","1","8","3","10","4","1") = "9"
    & skf18("4","1","8","3","10","5","1") = "9"
    & skf18("4","1","8","3","10","6","1") = "9"
    & skf18("4","1","8","3","10","7","1") = "9"
    & skf18("4","1","8","3","10","8","1") = "9"
    & skf18("4","1","8","3","10","9","1") = "9"
    & skf18("4","1","8","3","10","10","1") = "9"
    & skf18("4","1","8","4","1","1","1") = "7"
    & skf18("4","1","8","4","1","2","1") = "7"
    & skf18("4","1","8","4","1","3","1") = "7"
    & skf18("4","1","8","4","1","4","1") = "7"
    & skf18("4","1","8","4","1","5","1") = "7"
    & skf18("4","1","8","4","1","6","1") = "7"
    & skf18("4","1","8","4","1","7","1") = "7"
    & skf18("4","1","8","4","1","8","1") = "7"
    & skf18("4","1","8","4","1","9","1") = "8"
    & skf18("4","1","8","4","1","10","1") = "9"
    & skf18("4","1","8","4","2","1","1") = "7"
    & skf18("4","1","8","4","2","2","1") = "7"
    & skf18("4","1","8","4","2","3","1") = "7"
    & skf18("4","1","8","4","2","4","1") = "7"
    & skf18("4","1","8","4","2","5","1") = "7"
    & skf18("4","1","8","4","2","6","1") = "7"
    & skf18("4","1","8","4","2","7","1") = "7"
    & skf18("4","1","8","4","2","8","1") = "7"
    & skf18("4","1","8","4","2","9","1") = "8"
    & skf18("4","1","8","4","2","10","1") = "9"
    & skf18("4","1","8","4","3","1","1") = "7"
    & skf18("4","1","8","4","3","2","1") = "7"
    & skf18("4","1","8","4","3","3","1") = "7"
    & skf18("4","1","8","4","3","4","1") = "7"
    & skf18("4","1","8","4","3","5","1") = "7"
    & skf18("4","1","8","4","3","6","1") = "7"
    & skf18("4","1","8","4","3","7","1") = "7"
    & skf18("4","1","8","4","3","8","1") = "7"
    & skf18("4","1","8","4","3","9","1") = "8"
    & skf18("4","1","8","4","3","10","1") = "9"
    & skf18("4","1","8","4","4","1","1") = "7"
    & skf18("4","1","8","4","4","2","1") = "7"
    & skf18("4","1","8","4","4","3","1") = "7"
    & skf18("4","1","8","4","4","4","1") = "7"
    & skf18("4","1","8","4","4","5","1") = "7"
    & skf18("4","1","8","4","4","6","1") = "7"
    & skf18("4","1","8","4","4","7","1") = "7"
    & skf18("4","1","8","4","4","8","1") = "7"
    & skf18("4","1","8","4","4","9","1") = "8"
    & skf18("4","1","8","4","4","10","1") = "9"
    & skf18("4","1","8","4","5","1","1") = "7"
    & skf18("4","1","8","4","5","2","1") = "7"
    & skf18("4","1","8","4","5","3","1") = "7"
    & skf18("4","1","8","4","5","4","1") = "7"
    & skf18("4","1","8","4","5","5","1") = "7"
    & skf18("4","1","8","4","5","6","1") = "7"
    & skf18("4","1","8","4","5","7","1") = "7"
    & skf18("4","1","8","4","5","8","1") = "7"
    & skf18("4","1","8","4","5","9","1") = "8"
    & skf18("4","1","8","4","5","10","1") = "9"
    & skf18("4","1","8","4","6","1","1") = "7"
    & skf18("4","1","8","4","6","2","1") = "7"
    & skf18("4","1","8","4","6","3","1") = "7"
    & skf18("4","1","8","4","6","4","1") = "7"
    & skf18("4","1","8","4","6","5","1") = "7"
    & skf18("4","1","8","4","6","6","1") = "7"
    & skf18("4","1","8","4","6","7","1") = "7"
    & skf18("4","1","8","4","6","8","1") = "7"
    & skf18("4","1","8","4","6","9","1") = "8"
    & skf18("4","1","8","4","6","10","1") = "9"
    & skf18("4","1","8","4","7","1","1") = "7"
    & skf18("4","1","8","4","7","2","1") = "7"
    & skf18("4","1","8","4","7","3","1") = "7"
    & skf18("4","1","8","4","7","4","1") = "7"
    & skf18("4","1","8","4","7","5","1") = "7"
    & skf18("4","1","8","4","7","6","1") = "7"
    & skf18("4","1","8","4","7","7","1") = "7"
    & skf18("4","1","8","4","7","8","1") = "7"
    & skf18("4","1","8","4","7","9","1") = "8"
    & skf18("4","1","8","4","7","10","1") = "9"
    & skf18("4","1","8","4","8","1","1") = "7"
    & skf18("4","1","8","4","8","2","1") = "7"
    & skf18("4","1","8","4","8","3","1") = "7"
    & skf18("4","1","8","4","8","4","1") = "7"
    & skf18("4","1","8","4","8","5","1") = "7"
    & skf18("4","1","8","4","8","6","1") = "7"
    & skf18("4","1","8","4","8","7","1") = "7"
    & skf18("4","1","8","4","8","8","1") = "7"
    & skf18("4","1","8","4","8","9","1") = "8"
    & skf18("4","1","8","4","8","10","1") = "9"
    & skf18("4","1","8","4","9","1","1") = "8"
    & skf18("4","1","8","4","9","2","1") = "8"
    & skf18("4","1","8","4","9","3","1") = "8"
    & skf18("4","1","8","4","9","4","1") = "8"
    & skf18("4","1","8","4","9","5","1") = "8"
    & skf18("4","1","8","4","9","6","1") = "8"
    & skf18("4","1","8","4","9","7","1") = "8"
    & skf18("4","1","8","4","9","8","1") = "8"
    & skf18("4","1","8","4","9","9","1") = "8"
    & skf18("4","1","8","4","9","10","1") = "9"
    & skf18("4","1","8","4","10","1","1") = "9"
    & skf18("4","1","8","4","10","2","1") = "9"
    & skf18("4","1","8","4","10","3","1") = "9"
    & skf18("4","1","8","4","10","4","1") = "9"
    & skf18("4","1","8","4","10","5","1") = "9"
    & skf18("4","1","8","4","10","6","1") = "9"
    & skf18("4","1","8","4","10","7","1") = "9"
    & skf18("4","1","8","4","10","8","1") = "9"
    & skf18("4","1","8","4","10","9","1") = "9"
    & skf18("4","1","8","4","10","10","1") = "9"
    & skf18("4","1","8","5","1","1","1") = "7"
    & skf18("4","1","8","5","1","2","1") = "7"
    & skf18("4","1","8","5","1","3","1") = "7"
    & skf18("4","1","8","5","1","4","1") = "7"
    & skf18("4","1","8","5","1","5","1") = "7"
    & skf18("4","1","8","5","1","6","1") = "7"
    & skf18("4","1","8","5","1","7","1") = "7"
    & skf18("4","1","8","5","1","8","1") = "7"
    & skf18("4","1","8","5","1","9","1") = "8"
    & skf18("4","1","8","5","1","10","1") = "9"
    & skf18("4","1","8","5","2","1","1") = "7"
    & skf18("4","1","8","5","2","2","1") = "7"
    & skf18("4","1","8","5","2","3","1") = "7"
    & skf18("4","1","8","5","2","4","1") = "7"
    & skf18("4","1","8","5","2","5","1") = "7"
    & skf18("4","1","8","5","2","6","1") = "7"
    & skf18("4","1","8","5","2","7","1") = "7"
    & skf18("4","1","8","5","2","8","1") = "7"
    & skf18("4","1","8","5","2","9","1") = "8"
    & skf18("4","1","8","5","2","10","1") = "9"
    & skf18("4","1","8","5","3","1","1") = "7"
    & skf18("4","1","8","5","3","2","1") = "7"
    & skf18("4","1","8","5","3","3","1") = "7"
    & skf18("4","1","8","5","3","4","1") = "7"
    & skf18("4","1","8","5","3","5","1") = "7"
    & skf18("4","1","8","5","3","6","1") = "7"
    & skf18("4","1","8","5","3","7","1") = "7"
    & skf18("4","1","8","5","3","8","1") = "7"
    & skf18("4","1","8","5","3","9","1") = "8"
    & skf18("4","1","8","5","3","10","1") = "9"
    & skf18("4","1","8","5","4","1","1") = "7"
    & skf18("4","1","8","5","4","2","1") = "7"
    & skf18("4","1","8","5","4","3","1") = "7"
    & skf18("4","1","8","5","4","4","1") = "7"
    & skf18("4","1","8","5","4","5","1") = "7"
    & skf18("4","1","8","5","4","6","1") = "7"
    & skf18("4","1","8","5","4","7","1") = "7"
    & skf18("4","1","8","5","4","8","1") = "7"
    & skf18("4","1","8","5","4","9","1") = "8"
    & skf18("4","1","8","5","4","10","1") = "9"
    & skf18("4","1","8","5","5","1","1") = "7"
    & skf18("4","1","8","5","5","2","1") = "7"
    & skf18("4","1","8","5","5","3","1") = "7"
    & skf18("4","1","8","5","5","4","1") = "7"
    & skf18("4","1","8","5","5","5","1") = "7"
    & skf18("4","1","8","5","5","6","1") = "7"
    & skf18("4","1","8","5","5","7","1") = "7"
    & skf18("4","1","8","5","5","8","1") = "7"
    & skf18("4","1","8","5","5","9","1") = "8"
    & skf18("4","1","8","5","5","10","1") = "9"
    & skf18("4","1","8","5","6","1","1") = "7"
    & skf18("4","1","8","5","6","2","1") = "7"
    & skf18("4","1","8","5","6","3","1") = "7"
    & skf18("4","1","8","5","6","4","1") = "7"
    & skf18("4","1","8","5","6","5","1") = "7"
    & skf18("4","1","8","5","6","6","1") = "7"
    & skf18("4","1","8","5","6","7","1") = "7"
    & skf18("4","1","8","5","6","8","1") = "7"
    & skf18("4","1","8","5","6","9","1") = "8"
    & skf18("4","1","8","5","6","10","1") = "9"
    & skf18("4","1","8","5","7","1","1") = "7"
    & skf18("4","1","8","5","7","2","1") = "7"
    & skf18("4","1","8","5","7","3","1") = "7"
    & skf18("4","1","8","5","7","4","1") = "7"
    & skf18("4","1","8","5","7","5","1") = "7"
    & skf18("4","1","8","5","7","6","1") = "7"
    & skf18("4","1","8","5","7","7","1") = "7"
    & skf18("4","1","8","5","7","8","1") = "7"
    & skf18("4","1","8","5","7","9","1") = "8"
    & skf18("4","1","8","5","7","10","1") = "9"
    & skf18("4","1","8","5","8","1","1") = "7"
    & skf18("4","1","8","5","8","2","1") = "7"
    & skf18("4","1","8","5","8","3","1") = "7"
    & skf18("4","1","8","5","8","4","1") = "7"
    & skf18("4","1","8","5","8","5","1") = "7"
    & skf18("4","1","8","5","8","6","1") = "7"
    & skf18("4","1","8","5","8","7","1") = "7"
    & skf18("4","1","8","5","8","8","1") = "7"
    & skf18("4","1","8","5","8","9","1") = "8"
    & skf18("4","1","8","5","8","10","1") = "9"
    & skf18("4","1","8","5","9","1","1") = "8"
    & skf18("4","1","8","5","9","2","1") = "8"
    & skf18("4","1","8","5","9","3","1") = "8"
    & skf18("4","1","8","5","9","4","1") = "8"
    & skf18("4","1","8","5","9","5","1") = "8"
    & skf18("4","1","8","5","9","6","1") = "8"
    & skf18("4","1","8","5","9","7","1") = "8"
    & skf18("4","1","8","5","9","8","1") = "8"
    & skf18("4","1","8","5","9","9","1") = "8"
    & skf18("4","1","8","5","9","10","1") = "9"
    & skf18("4","1","8","5","10","1","1") = "9"
    & skf18("4","1","8","5","10","2","1") = "9"
    & skf18("4","1","8","5","10","3","1") = "9"
    & skf18("4","1","8","5","10","4","1") = "9"
    & skf18("4","1","8","5","10","5","1") = "9"
    & skf18("4","1","8","5","10","6","1") = "9"
    & skf18("4","1","8","5","10","7","1") = "9"
    & skf18("4","1","8","5","10","8","1") = "9"
    & skf18("4","1","8","5","10","9","1") = "9"
    & skf18("4","1","8","5","10","10","1") = "9"
    & skf18("4","1","8","6","1","1","1") = "7"
    & skf18("4","1","8","6","1","2","1") = "7"
    & skf18("4","1","8","6","1","3","1") = "7"
    & skf18("4","1","8","6","1","4","1") = "7"
    & skf18("4","1","8","6","1","5","1") = "7"
    & skf18("4","1","8","6","1","6","1") = "7"
    & skf18("4","1","8","6","1","7","1") = "7"
    & skf18("4","1","8","6","1","8","1") = "7"
    & skf18("4","1","8","6","1","9","1") = "8"
    & skf18("4","1","8","6","1","10","1") = "9"
    & skf18("4","1","8","6","2","1","1") = "7"
    & skf18("4","1","8","6","2","2","1") = "7"
    & skf18("4","1","8","6","2","3","1") = "7"
    & skf18("4","1","8","6","2","4","1") = "7"
    & skf18("4","1","8","6","2","5","1") = "7"
    & skf18("4","1","8","6","2","6","1") = "7"
    & skf18("4","1","8","6","2","7","1") = "7"
    & skf18("4","1","8","6","2","8","1") = "7"
    & skf18("4","1","8","6","2","9","1") = "8"
    & skf18("4","1","8","6","2","10","1") = "9"
    & skf18("4","1","8","6","3","1","1") = "7"
    & skf18("4","1","8","6","3","2","1") = "7"
    & skf18("4","1","8","6","3","3","1") = "7"
    & skf18("4","1","8","6","3","4","1") = "7"
    & skf18("4","1","8","6","3","5","1") = "7"
    & skf18("4","1","8","6","3","6","1") = "7"
    & skf18("4","1","8","6","3","7","1") = "7"
    & skf18("4","1","8","6","3","8","1") = "7"
    & skf18("4","1","8","6","3","9","1") = "8"
    & skf18("4","1","8","6","3","10","1") = "9"
    & skf18("4","1","8","6","4","1","1") = "7"
    & skf18("4","1","8","6","4","2","1") = "7"
    & skf18("4","1","8","6","4","3","1") = "7"
    & skf18("4","1","8","6","4","4","1") = "7"
    & skf18("4","1","8","6","4","5","1") = "7"
    & skf18("4","1","8","6","4","6","1") = "7"
    & skf18("4","1","8","6","4","7","1") = "7"
    & skf18("4","1","8","6","4","8","1") = "7"
    & skf18("4","1","8","6","4","9","1") = "8"
    & skf18("4","1","8","6","4","10","1") = "9"
    & skf18("4","1","8","6","5","1","1") = "7"
    & skf18("4","1","8","6","5","2","1") = "7"
    & skf18("4","1","8","6","5","3","1") = "7"
    & skf18("4","1","8","6","5","4","1") = "7"
    & skf18("4","1","8","6","5","5","1") = "7"
    & skf18("4","1","8","6","5","6","1") = "7"
    & skf18("4","1","8","6","5","7","1") = "7"
    & skf18("4","1","8","6","5","8","1") = "7"
    & skf18("4","1","8","6","5","9","1") = "8"
    & skf18("4","1","8","6","5","10","1") = "9"
    & skf18("4","1","8","6","6","1","1") = "7"
    & skf18("4","1","8","6","6","2","1") = "7"
    & skf18("4","1","8","6","6","3","1") = "7"
    & skf18("4","1","8","6","6","4","1") = "7"
    & skf18("4","1","8","6","6","5","1") = "7"
    & skf18("4","1","8","6","6","6","1") = "7"
    & skf18("4","1","8","6","6","7","1") = "7"
    & skf18("4","1","8","6","6","8","1") = "7"
    & skf18("4","1","8","6","6","9","1") = "8"
    & skf18("4","1","8","6","6","10","1") = "9"
    & skf18("4","1","8","6","7","1","1") = "7"
    & skf18("4","1","8","6","7","2","1") = "7"
    & skf18("4","1","8","6","7","3","1") = "7"
    & skf18("4","1","8","6","7","4","1") = "7"
    & skf18("4","1","8","6","7","5","1") = "7"
    & skf18("4","1","8","6","7","6","1") = "7"
    & skf18("4","1","8","6","7","7","1") = "7"
    & skf18("4","1","8","6","7","8","1") = "7"
    & skf18("4","1","8","6","7","9","1") = "8"
    & skf18("4","1","8","6","7","10","1") = "9"
    & skf18("4","1","8","6","8","1","1") = "7"
    & skf18("4","1","8","6","8","2","1") = "7"
    & skf18("4","1","8","6","8","3","1") = "7"
    & skf18("4","1","8","6","8","4","1") = "7"
    & skf18("4","1","8","6","8","5","1") = "7"
    & skf18("4","1","8","6","8","6","1") = "7"
    & skf18("4","1","8","6","8","7","1") = "7"
    & skf18("4","1","8","6","8","8","1") = "7"
    & skf18("4","1","8","6","8","9","1") = "8"
    & skf18("4","1","8","6","8","10","1") = "9"
    & skf18("4","1","8","6","9","1","1") = "8"
    & skf18("4","1","8","6","9","2","1") = "8"
    & skf18("4","1","8","6","9","3","1") = "8"
    & skf18("4","1","8","6","9","4","1") = "8"
    & skf18("4","1","8","6","9","5","1") = "8"
    & skf18("4","1","8","6","9","6","1") = "8"
    & skf18("4","1","8","6","9","7","1") = "8"
    & skf18("4","1","8","6","9","8","1") = "8"
    & skf18("4","1","8","6","9","9","1") = "8"
    & skf18("4","1","8","6","9","10","1") = "9"
    & skf18("4","1","8","6","10","1","1") = "9"
    & skf18("4","1","8","6","10","2","1") = "9"
    & skf18("4","1","8","6","10","3","1") = "9"
    & skf18("4","1","8","6","10","4","1") = "9"
    & skf18("4","1","8","6","10","5","1") = "9"
    & skf18("4","1","8","6","10","6","1") = "9"
    & skf18("4","1","8","6","10","7","1") = "9"
    & skf18("4","1","8","6","10","8","1") = "9"
    & skf18("4","1","8","6","10","9","1") = "9"
    & skf18("4","1","8","6","10","10","1") = "9"
    & skf18("4","1","8","7","1","1","1") = "7"
    & skf18("4","1","8","7","1","2","1") = "7"
    & skf18("4","1","8","7","1","3","1") = "7"
    & skf18("4","1","8","7","1","4","1") = "7"
    & skf18("4","1","8","7","1","5","1") = "7"
    & skf18("4","1","8","7","1","6","1") = "7"
    & skf18("4","1","8","7","1","7","1") = "7"
    & skf18("4","1","8","7","1","8","1") = "7"
    & skf18("4","1","8","7","1","9","1") = "8"
    & skf18("4","1","8","7","1","10","1") = "9"
    & skf18("4","1","8","7","2","1","1") = "7"
    & skf18("4","1","8","7","2","2","1") = "7"
    & skf18("4","1","8","7","2","3","1") = "7"
    & skf18("4","1","8","7","2","4","1") = "7"
    & skf18("4","1","8","7","2","5","1") = "7"
    & skf18("4","1","8","7","2","6","1") = "7"
    & skf18("4","1","8","7","2","7","1") = "7"
    & skf18("4","1","8","7","2","8","1") = "7"
    & skf18("4","1","8","7","2","9","1") = "8"
    & skf18("4","1","8","7","2","10","1") = "9"
    & skf18("4","1","8","7","3","1","1") = "7"
    & skf18("4","1","8","7","3","2","1") = "7"
    & skf18("4","1","8","7","3","3","1") = "7"
    & skf18("4","1","8","7","3","4","1") = "7"
    & skf18("4","1","8","7","3","5","1") = "7"
    & skf18("4","1","8","7","3","6","1") = "7"
    & skf18("4","1","8","7","3","7","1") = "7"
    & skf18("4","1","8","7","3","8","1") = "7"
    & skf18("4","1","8","7","3","9","1") = "8"
    & skf18("4","1","8","7","3","10","1") = "9"
    & skf18("4","1","8","7","4","1","1") = "7"
    & skf18("4","1","8","7","4","2","1") = "7"
    & skf18("4","1","8","7","4","3","1") = "7"
    & skf18("4","1","8","7","4","4","1") = "7"
    & skf18("4","1","8","7","4","5","1") = "7"
    & skf18("4","1","8","7","4","6","1") = "7"
    & skf18("4","1","8","7","4","7","1") = "7"
    & skf18("4","1","8","7","4","8","1") = "7"
    & skf18("4","1","8","7","4","9","1") = "8"
    & skf18("4","1","8","7","4","10","1") = "9"
    & skf18("4","1","8","7","5","1","1") = "7"
    & skf18("4","1","8","7","5","2","1") = "7"
    & skf18("4","1","8","7","5","3","1") = "7"
    & skf18("4","1","8","7","5","4","1") = "7"
    & skf18("4","1","8","7","5","5","1") = "7"
    & skf18("4","1","8","7","5","6","1") = "7"
    & skf18("4","1","8","7","5","7","1") = "7"
    & skf18("4","1","8","7","5","8","1") = "7"
    & skf18("4","1","8","7","5","9","1") = "8"
    & skf18("4","1","8","7","5","10","1") = "9"
    & skf18("4","1","8","7","6","1","1") = "7"
    & skf18("4","1","8","7","6","2","1") = "7"
    & skf18("4","1","8","7","6","3","1") = "7"
    & skf18("4","1","8","7","6","4","1") = "7"
    & skf18("4","1","8","7","6","5","1") = "7"
    & skf18("4","1","8","7","6","6","1") = "7"
    & skf18("4","1","8","7","6","7","1") = "7"
    & skf18("4","1","8","7","6","8","1") = "7"
    & skf18("4","1","8","7","6","9","1") = "8"
    & skf18("4","1","8","7","6","10","1") = "9"
    & skf18("4","1","8","7","7","1","1") = "7"
    & skf18("4","1","8","7","7","2","1") = "7"
    & skf18("4","1","8","7","7","3","1") = "7"
    & skf18("4","1","8","7","7","4","1") = "7"
    & skf18("4","1","8","7","7","5","1") = "7"
    & skf18("4","1","8","7","7","6","1") = "7"
    & skf18("4","1","8","7","7","7","1") = "7"
    & skf18("4","1","8","7","7","8","1") = "7"
    & skf18("4","1","8","7","7","9","1") = "8"
    & skf18("4","1","8","7","7","10","1") = "9"
    & skf18("4","1","8","7","8","1","1") = "7"
    & skf18("4","1","8","7","8","2","1") = "7"
    & skf18("4","1","8","7","8","3","1") = "7"
    & skf18("4","1","8","7","8","4","1") = "7"
    & skf18("4","1","8","7","8","5","1") = "7"
    & skf18("4","1","8","7","8","6","1") = "7"
    & skf18("4","1","8","7","8","7","1") = "7"
    & skf18("4","1","8","7","8","8","1") = "7"
    & skf18("4","1","8","7","8","9","1") = "8"
    & skf18("4","1","8","7","8","10","1") = "9"
    & skf18("4","1","8","7","9","1","1") = "8"
    & skf18("4","1","8","7","9","2","1") = "8"
    & skf18("4","1","8","7","9","3","1") = "8"
    & skf18("4","1","8","7","9","4","1") = "8"
    & skf18("4","1","8","7","9","5","1") = "8"
    & skf18("4","1","8","7","9","6","1") = "8"
    & skf18("4","1","8","7","9","7","1") = "8"
    & skf18("4","1","8","7","9","8","1") = "8"
    & skf18("4","1","8","7","9","9","1") = "8"
    & skf18("4","1","8","7","9","10","1") = "9"
    & skf18("4","1","8","7","10","1","1") = "9"
    & skf18("4","1","8","7","10","2","1") = "9"
    & skf18("4","1","8","7","10","3","1") = "9"
    & skf18("4","1","8","7","10","4","1") = "9"
    & skf18("4","1","8","7","10","5","1") = "9"
    & skf18("4","1","8","7","10","6","1") = "9"
    & skf18("4","1","8","7","10","7","1") = "9"
    & skf18("4","1","8","7","10","8","1") = "9"
    & skf18("4","1","8","7","10","9","1") = "9"
    & skf18("4","1","8","7","10","10","1") = "9"
    & skf18("4","1","8","8","1","1","1") = "7"
    & skf18("4","1","8","8","1","2","1") = "7"
    & skf18("4","1","8","8","1","3","1") = "7"
    & skf18("4","1","8","8","1","4","1") = "7"
    & skf18("4","1","8","8","1","5","1") = "7"
    & skf18("4","1","8","8","1","6","1") = "7"
    & skf18("4","1","8","8","1","7","1") = "7"
    & skf18("4","1","8","8","1","8","1") = "7"
    & skf18("4","1","8","8","1","9","1") = "8"
    & skf18("4","1","8","8","1","10","1") = "9"
    & skf18("4","1","8","8","2","1","1") = "7"
    & skf18("4","1","8","8","2","2","1") = "7"
    & skf18("4","1","8","8","2","3","1") = "7"
    & skf18("4","1","8","8","2","4","1") = "7"
    & skf18("4","1","8","8","2","5","1") = "7"
    & skf18("4","1","8","8","2","6","1") = "7"
    & skf18("4","1","8","8","2","7","1") = "7"
    & skf18("4","1","8","8","2","8","1") = "7"
    & skf18("4","1","8","8","2","9","1") = "8"
    & skf18("4","1","8","8","2","10","1") = "9"
    & skf18("4","1","8","8","3","1","1") = "7"
    & skf18("4","1","8","8","3","2","1") = "7"
    & skf18("4","1","8","8","3","3","1") = "7"
    & skf18("4","1","8","8","3","4","1") = "7"
    & skf18("4","1","8","8","3","5","1") = "7"
    & skf18("4","1","8","8","3","6","1") = "7"
    & skf18("4","1","8","8","3","7","1") = "7"
    & skf18("4","1","8","8","3","8","1") = "7"
    & skf18("4","1","8","8","3","9","1") = "8"
    & skf18("4","1","8","8","3","10","1") = "9"
    & skf18("4","1","8","8","4","1","1") = "7"
    & skf18("4","1","8","8","4","2","1") = "7"
    & skf18("4","1","8","8","4","3","1") = "7"
    & skf18("4","1","8","8","4","4","1") = "7"
    & skf18("4","1","8","8","4","5","1") = "7"
    & skf18("4","1","8","8","4","6","1") = "7"
    & skf18("4","1","8","8","4","7","1") = "7"
    & skf18("4","1","8","8","4","8","1") = "7"
    & skf18("4","1","8","8","4","9","1") = "8"
    & skf18("4","1","8","8","4","10","1") = "9"
    & skf18("4","1","8","8","5","1","1") = "7"
    & skf18("4","1","8","8","5","2","1") = "7"
    & skf18("4","1","8","8","5","3","1") = "7"
    & skf18("4","1","8","8","5","4","1") = "7"
    & skf18("4","1","8","8","5","5","1") = "7"
    & skf18("4","1","8","8","5","6","1") = "7"
    & skf18("4","1","8","8","5","7","1") = "7"
    & skf18("4","1","8","8","5","8","1") = "7"
    & skf18("4","1","8","8","5","9","1") = "8"
    & skf18("4","1","8","8","5","10","1") = "9"
    & skf18("4","1","8","8","6","1","1") = "7"
    & skf18("4","1","8","8","6","2","1") = "7"
    & skf18("4","1","8","8","6","3","1") = "7"
    & skf18("4","1","8","8","6","4","1") = "7"
    & skf18("4","1","8","8","6","5","1") = "7"
    & skf18("4","1","8","8","6","6","1") = "7"
    & skf18("4","1","8","8","6","7","1") = "7"
    & skf18("4","1","8","8","6","8","1") = "7"
    & skf18("4","1","8","8","6","9","1") = "8"
    & skf18("4","1","8","8","6","10","1") = "9"
    & skf18("4","1","8","8","7","1","1") = "7"
    & skf18("4","1","8","8","7","2","1") = "7"
    & skf18("4","1","8","8","7","3","1") = "7"
    & skf18("4","1","8","8","7","4","1") = "7"
    & skf18("4","1","8","8","7","5","1") = "7"
    & skf18("4","1","8","8","7","6","1") = "7"
    & skf18("4","1","8","8","7","7","1") = "7"
    & skf18("4","1","8","8","7","8","1") = "7"
    & skf18("4","1","8","8","7","9","1") = "8"
    & skf18("4","1","8","8","7","10","1") = "9"
    & skf18("4","1","8","8","8","1","1") = "7"
    & skf18("4","1","8","8","8","2","1") = "7"
    & skf18("4","1","8","8","8","3","1") = "7"
    & skf18("4","1","8","8","8","4","1") = "7"
    & skf18("4","1","8","8","8","5","1") = "7"
    & skf18("4","1","8","8","8","6","1") = "7"
    & skf18("4","1","8","8","8","7","1") = "7"
    & skf18("4","1","8","8","8","8","1") = "7"
    & skf18("4","1","8","8","8","9","1") = "8"
    & skf18("4","1","8","8","8","10","1") = "9"
    & skf18("4","1","8","8","9","1","1") = "8"
    & skf18("4","1","8","8","9","2","1") = "8"
    & skf18("4","1","8","8","9","3","1") = "8"
    & skf18("4","1","8","8","9","4","1") = "8"
    & skf18("4","1","8","8","9","5","1") = "8"
    & skf18("4","1","8","8","9","6","1") = "8"
    & skf18("4","1","8","8","9","7","1") = "8"
    & skf18("4","1","8","8","9","8","1") = "8"
    & skf18("4","1","8","8","9","9","1") = "8"
    & skf18("4","1","8","8","9","10","1") = "9"
    & skf18("4","1","8","8","10","1","1") = "9"
    & skf18("4","1","8","8","10","2","1") = "9"
    & skf18("4","1","8","8","10","3","1") = "9"
    & skf18("4","1","8","8","10","4","1") = "9"
    & skf18("4","1","8","8","10","5","1") = "9"
    & skf18("4","1","8","8","10","6","1") = "9"
    & skf18("4","1","8","8","10","7","1") = "9"
    & skf18("4","1","8","8","10","8","1") = "9"
    & skf18("4","1","8","8","10","9","1") = "9"
    & skf18("4","1","8","8","10","10","1") = "9"
    & skf18("4","1","8","9","1","1","1") = "8"
    & skf18("4","1","8","9","1","2","1") = "8"
    & skf18("4","1","8","9","1","3","1") = "8"
    & skf18("4","1","8","9","1","4","1") = "8"
    & skf18("4","1","8","9","1","5","1") = "8"
    & skf18("4","1","8","9","1","6","1") = "8"
    & skf18("4","1","8","9","1","7","1") = "8"
    & skf18("4","1","8","9","1","8","1") = "8"
    & skf18("4","1","8","9","1","9","1") = "8"
    & skf18("4","1","8","9","1","10","1") = "9"
    & skf18("4","1","8","9","2","1","1") = "8"
    & skf18("4","1","8","9","2","2","1") = "8"
    & skf18("4","1","8","9","2","3","1") = "8"
    & skf18("4","1","8","9","2","4","1") = "8"
    & skf18("4","1","8","9","2","5","1") = "8"
    & skf18("4","1","8","9","2","6","1") = "8"
    & skf18("4","1","8","9","2","7","1") = "8"
    & skf18("4","1","8","9","2","8","1") = "8"
    & skf18("4","1","8","9","2","9","1") = "8"
    & skf18("4","1","8","9","2","10","1") = "9"
    & skf18("4","1","8","9","3","1","1") = "8"
    & skf18("4","1","8","9","3","2","1") = "8"
    & skf18("4","1","8","9","3","3","1") = "8"
    & skf18("4","1","8","9","3","4","1") = "8"
    & skf18("4","1","8","9","3","5","1") = "8"
    & skf18("4","1","8","9","3","6","1") = "8"
    & skf18("4","1","8","9","3","7","1") = "8"
    & skf18("4","1","8","9","3","8","1") = "8"
    & skf18("4","1","8","9","3","9","1") = "8"
    & skf18("4","1","8","9","3","10","1") = "9"
    & skf18("4","1","8","9","4","1","1") = "8"
    & skf18("4","1","8","9","4","2","1") = "8"
    & skf18("4","1","8","9","4","3","1") = "8"
    & skf18("4","1","8","9","4","4","1") = "8"
    & skf18("4","1","8","9","4","5","1") = "8"
    & skf18("4","1","8","9","4","6","1") = "8"
    & skf18("4","1","8","9","4","7","1") = "8"
    & skf18("4","1","8","9","4","8","1") = "8"
    & skf18("4","1","8","9","4","9","1") = "8"
    & skf18("4","1","8","9","4","10","1") = "9"
    & skf18("4","1","8","9","5","1","1") = "8"
    & skf18("4","1","8","9","5","2","1") = "8"
    & skf18("4","1","8","9","5","3","1") = "8"
    & skf18("4","1","8","9","5","4","1") = "8"
    & skf18("4","1","8","9","5","5","1") = "8"
    & skf18("4","1","8","9","5","6","1") = "8"
    & skf18("4","1","8","9","5","7","1") = "8"
    & skf18("4","1","8","9","5","8","1") = "8"
    & skf18("4","1","8","9","5","9","1") = "8"
    & skf18("4","1","8","9","5","10","1") = "9"
    & skf18("4","1","8","9","6","1","1") = "8"
    & skf18("4","1","8","9","6","2","1") = "8"
    & skf18("4","1","8","9","6","3","1") = "8"
    & skf18("4","1","8","9","6","4","1") = "8"
    & skf18("4","1","8","9","6","5","1") = "8"
    & skf18("4","1","8","9","6","6","1") = "8"
    & skf18("4","1","8","9","6","7","1") = "8"
    & skf18("4","1","8","9","6","8","1") = "8"
    & skf18("4","1","8","9","6","9","1") = "8"
    & skf18("4","1","8","9","6","10","1") = "9"
    & skf18("4","1","8","9","7","1","1") = "8"
    & skf18("4","1","8","9","7","2","1") = "8"
    & skf18("4","1","8","9","7","3","1") = "8"
    & skf18("4","1","8","9","7","4","1") = "8"
    & skf18("4","1","8","9","7","5","1") = "8"
    & skf18("4","1","8","9","7","6","1") = "8"
    & skf18("4","1","8","9","7","7","1") = "8"
    & skf18("4","1","8","9","7","8","1") = "8"
    & skf18("4","1","8","9","7","9","1") = "8"
    & skf18("4","1","8","9","7","10","1") = "9"
    & skf18("4","1","8","9","8","1","1") = "8"
    & skf18("4","1","8","9","8","2","1") = "8"
    & skf18("4","1","8","9","8","3","1") = "8"
    & skf18("4","1","8","9","8","4","1") = "8"
    & skf18("4","1","8","9","8","5","1") = "8"
    & skf18("4","1","8","9","8","6","1") = "8"
    & skf18("4","1","8","9","8","7","1") = "8"
    & skf18("4","1","8","9","8","8","1") = "8"
    & skf18("4","1","8","9","8","9","1") = "8"
    & skf18("4","1","8","9","8","10","1") = "9"
    & skf18("4","1","8","9","9","1","1") = "8"
    & skf18("4","1","8","9","9","2","1") = "8"
    & skf18("4","1","8","9","9","3","1") = "8"
    & skf18("4","1","8","9","9","4","1") = "8"
    & skf18("4","1","8","9","9","5","1") = "8"
    & skf18("4","1","8","9","9","6","1") = "8"
    & skf18("4","1","8","9","9","7","1") = "8"
    & skf18("4","1","8","9","9","8","1") = "8"
    & skf18("4","1","8","9","9","9","1") = "8"
    & skf18("4","1","8","9","9","10","1") = "9"
    & skf18("4","1","8","9","10","1","1") = "9"
    & skf18("4","1","8","9","10","2","1") = "9"
    & skf18("4","1","8","9","10","3","1") = "9"
    & skf18("4","1","8","9","10","4","1") = "9"
    & skf18("4","1","8","9","10","5","1") = "9"
    & skf18("4","1","8","9","10","6","1") = "9"
    & skf18("4","1","8","9","10","7","1") = "9"
    & skf18("4","1","8","9","10","8","1") = "9"
    & skf18("4","1","8","9","10","9","1") = "9"
    & skf18("4","1","8","9","10","10","1") = "9"
    & skf18("4","1","8","10","1","1","1") = "9"
    & skf18("4","1","8","10","1","2","1") = "9"
    & skf18("4","1","8","10","1","3","1") = "9"
    & skf18("4","1","8","10","1","4","1") = "9"
    & skf18("4","1","8","10","1","5","1") = "9"
    & skf18("4","1","8","10","1","6","1") = "9"
    & skf18("4","1","8","10","1","7","1") = "9"
    & skf18("4","1","8","10","1","8","1") = "9"
    & skf18("4","1","8","10","1","9","1") = "9"
    & skf18("4","1","8","10","1","10","1") = "9"
    & skf18("4","1","8","10","2","1","1") = "9"
    & skf18("4","1","8","10","2","2","1") = "9"
    & skf18("4","1","8","10","2","3","1") = "9"
    & skf18("4","1","8","10","2","4","1") = "9"
    & skf18("4","1","8","10","2","5","1") = "9"
    & skf18("4","1","8","10","2","6","1") = "9"
    & skf18("4","1","8","10","2","7","1") = "9"
    & skf18("4","1","8","10","2","8","1") = "9"
    & skf18("4","1","8","10","2","9","1") = "9"
    & skf18("4","1","8","10","2","10","1") = "9"
    & skf18("4","1","8","10","3","1","1") = "9"
    & skf18("4","1","8","10","3","2","1") = "9"
    & skf18("4","1","8","10","3","3","1") = "9"
    & skf18("4","1","8","10","3","4","1") = "9"
    & skf18("4","1","8","10","3","5","1") = "9"
    & skf18("4","1","8","10","3","6","1") = "9"
    & skf18("4","1","8","10","3","7","1") = "9"
    & skf18("4","1","8","10","3","8","1") = "9"
    & skf18("4","1","8","10","3","9","1") = "9"
    & skf18("4","1","8","10","3","10","1") = "9"
    & skf18("4","1","8","10","4","1","1") = "9"
    & skf18("4","1","8","10","4","2","1") = "9"
    & skf18("4","1","8","10","4","3","1") = "9"
    & skf18("4","1","8","10","4","4","1") = "9"
    & skf18("4","1","8","10","4","5","1") = "9"
    & skf18("4","1","8","10","4","6","1") = "9"
    & skf18("4","1","8","10","4","7","1") = "9"
    & skf18("4","1","8","10","4","8","1") = "9"
    & skf18("4","1","8","10","4","9","1") = "9"
    & skf18("4","1","8","10","4","10","1") = "9"
    & skf18("4","1","8","10","5","1","1") = "9"
    & skf18("4","1","8","10","5","2","1") = "9"
    & skf18("4","1","8","10","5","3","1") = "9"
    & skf18("4","1","8","10","5","4","1") = "9"
    & skf18("4","1","8","10","5","5","1") = "9"
    & skf18("4","1","8","10","5","6","1") = "9"
    & skf18("4","1","8","10","5","7","1") = "9"
    & skf18("4","1","8","10","5","8","1") = "9"
    & skf18("4","1","8","10","5","9","1") = "9"
    & skf18("4","1","8","10","5","10","1") = "9"
    & skf18("4","1","8","10","6","1","1") = "9"
    & skf18("4","1","8","10","6","2","1") = "9"
    & skf18("4","1","8","10","6","3","1") = "9"
    & skf18("4","1","8","10","6","4","1") = "9"
    & skf18("4","1","8","10","6","5","1") = "9"
    & skf18("4","1","8","10","6","6","1") = "9"
    & skf18("4","1","8","10","6","7","1") = "9"
    & skf18("4","1","8","10","6","8","1") = "9"
    & skf18("4","1","8","10","6","9","1") = "9"
    & skf18("4","1","8","10","6","10","1") = "9"
    & skf18("4","1","8","10","7","1","1") = "9"
    & skf18("4","1","8","10","7","2","1") = "9"
    & skf18("4","1","8","10","7","3","1") = "9"
    & skf18("4","1","8","10","7","4","1") = "9"
    & skf18("4","1","8","10","7","5","1") = "9"
    & skf18("4","1","8","10","7","6","1") = "9"
    & skf18("4","1","8","10","7","7","1") = "9"
    & skf18("4","1","8","10","7","8","1") = "9"
    & skf18("4","1","8","10","7","9","1") = "9"
    & skf18("4","1","8","10","7","10","1") = "9"
    & skf18("4","1","8","10","8","1","1") = "9"
    & skf18("4","1","8","10","8","2","1") = "9"
    & skf18("4","1","8","10","8","3","1") = "9"
    & skf18("4","1","8","10","8","4","1") = "9"
    & skf18("4","1","8","10","8","5","1") = "9"
    & skf18("4","1","8","10","8","6","1") = "9"
    & skf18("4","1","8","10","8","7","1") = "9"
    & skf18("4","1","8","10","8","8","1") = "9"
    & skf18("4","1","8","10","8","9","1") = "9"
    & skf18("4","1","8","10","8","10","1") = "9"
    & skf18("4","1","8","10","9","1","1") = "9"
    & skf18("4","1","8","10","9","2","1") = "9"
    & skf18("4","1","8","10","9","3","1") = "9"
    & skf18("4","1","8","10","9","4","1") = "9"
    & skf18("4","1","8","10","9","5","1") = "9"
    & skf18("4","1","8","10","9","6","1") = "9"
    & skf18("4","1","8","10","9","7","1") = "9"
    & skf18("4","1","8","10","9","8","1") = "9"
    & skf18("4","1","8","10","9","9","1") = "9"
    & skf18("4","1","8","10","9","10","1") = "9"
    & skf18("4","1","8","10","10","1","1") = "9"
    & skf18("4","1","8","10","10","2","1") = "9"
    & skf18("4","1","8","10","10","3","1") = "9"
    & skf18("4","1","8","10","10","4","1") = "9"
    & skf18("4","1","8","10","10","5","1") = "9"
    & skf18("4","1","8","10","10","6","1") = "9"
    & skf18("4","1","8","10","10","7","1") = "9"
    & skf18("4","1","8","10","10","8","1") = "9"
    & skf18("4","1","8","10","10","9","1") = "9"
    & skf18("4","1","8","10","10","10","1") = "9"
    & skf18("4","1","9","1","1","1","1") = "8"
    & skf18("4","1","9","1","1","2","1") = "8"
    & skf18("4","1","9","1","1","3","1") = "8"
    & skf18("4","1","9","1","1","4","1") = "8"
    & skf18("4","1","9","1","1","5","1") = "8"
    & skf18("4","1","9","1","1","6","1") = "8"
    & skf18("4","1","9","1","1","7","1") = "8"
    & skf18("4","1","9","1","1","8","1") = "8"
    & skf18("4","1","9","1","1","9","1") = "8"
    & skf18("4","1","9","1","1","10","1") = "9"
    & skf18("4","1","9","1","2","1","1") = "8"
    & skf18("4","1","9","1","2","2","1") = "8"
    & skf18("4","1","9","1","2","3","1") = "8"
    & skf18("4","1","9","1","2","4","1") = "8"
    & skf18("4","1","9","1","2","5","1") = "8"
    & skf18("4","1","9","1","2","6","1") = "8"
    & skf18("4","1","9","1","2","7","1") = "8"
    & skf18("4","1","9","1","2","8","1") = "8"
    & skf18("4","1","9","1","2","9","1") = "8"
    & skf18("4","1","9","1","2","10","1") = "9"
    & skf18("4","1","9","1","3","1","1") = "8"
    & skf18("4","1","9","1","3","2","1") = "8"
    & skf18("4","1","9","1","3","3","1") = "8"
    & skf18("4","1","9","1","3","4","1") = "8"
    & skf18("4","1","9","1","3","5","1") = "8"
    & skf18("4","1","9","1","3","6","1") = "8"
    & skf18("4","1","9","1","3","7","1") = "8"
    & skf18("4","1","9","1","3","8","1") = "8"
    & skf18("4","1","9","1","3","9","1") = "8"
    & skf18("4","1","9","1","3","10","1") = "9"
    & skf18("4","1","9","1","4","1","1") = "8"
    & skf18("4","1","9","1","4","2","1") = "8"
    & skf18("4","1","9","1","4","3","1") = "8"
    & skf18("4","1","9","1","4","4","1") = "8"
    & skf18("4","1","9","1","4","5","1") = "8"
    & skf18("4","1","9","1","4","6","1") = "8"
    & skf18("4","1","9","1","4","7","1") = "8"
    & skf18("4","1","9","1","4","8","1") = "8"
    & skf18("4","1","9","1","4","9","1") = "8"
    & skf18("4","1","9","1","4","10","1") = "9"
    & skf18("4","1","9","1","5","1","1") = "8"
    & skf18("4","1","9","1","5","2","1") = "8"
    & skf18("4","1","9","1","5","3","1") = "8"
    & skf18("4","1","9","1","5","4","1") = "8"
    & skf18("4","1","9","1","5","5","1") = "8"
    & skf18("4","1","9","1","5","6","1") = "8"
    & skf18("4","1","9","1","5","7","1") = "8"
    & skf18("4","1","9","1","5","8","1") = "8"
    & skf18("4","1","9","1","5","9","1") = "8"
    & skf18("4","1","9","1","5","10","1") = "9"
    & skf18("4","1","9","1","6","1","1") = "8"
    & skf18("4","1","9","1","6","2","1") = "8"
    & skf18("4","1","9","1","6","3","1") = "8"
    & skf18("4","1","9","1","6","4","1") = "8"
    & skf18("4","1","9","1","6","5","1") = "8"
    & skf18("4","1","9","1","6","6","1") = "8"
    & skf18("4","1","9","1","6","7","1") = "8"
    & skf18("4","1","9","1","6","8","1") = "8"
    & skf18("4","1","9","1","6","9","1") = "8"
    & skf18("4","1","9","1","6","10","1") = "9"
    & skf18("4","1","9","1","7","1","1") = "8"
    & skf18("4","1","9","1","7","2","1") = "8"
    & skf18("4","1","9","1","7","3","1") = "8"
    & skf18("4","1","9","1","7","4","1") = "8"
    & skf18("4","1","9","1","7","5","1") = "8"
    & skf18("4","1","9","1","7","6","1") = "8"
    & skf18("4","1","9","1","7","7","1") = "8"
    & skf18("4","1","9","1","7","8","1") = "8"
    & skf18("4","1","9","1","7","9","1") = "8"
    & skf18("4","1","9","1","7","10","1") = "9"
    & skf18("4","1","9","1","8","1","1") = "8"
    & skf18("4","1","9","1","8","2","1") = "8"
    & skf18("4","1","9","1","8","3","1") = "8"
    & skf18("4","1","9","1","8","4","1") = "8"
    & skf18("4","1","9","1","8","5","1") = "8"
    & skf18("4","1","9","1","8","6","1") = "8"
    & skf18("4","1","9","1","8","7","1") = "8"
    & skf18("4","1","9","1","8","8","1") = "8"
    & skf18("4","1","9","1","8","9","1") = "8"
    & skf18("4","1","9","1","8","10","1") = "9"
    & skf18("4","1","9","1","9","1","1") = "8"
    & skf18("4","1","9","1","9","2","1") = "8"
    & skf18("4","1","9","1","9","3","1") = "8"
    & skf18("4","1","9","1","9","4","1") = "8"
    & skf18("4","1","9","1","9","5","1") = "8"
    & skf18("4","1","9","1","9","6","1") = "8"
    & skf18("4","1","9","1","9","7","1") = "8"
    & skf18("4","1","9","1","9","8","1") = "8"
    & skf18("4","1","9","1","9","9","1") = "8"
    & skf18("4","1","9","1","9","10","1") = "9"
    & skf18("4","1","9","1","10","1","1") = "9"
    & skf18("4","1","9","1","10","2","1") = "9"
    & skf18("4","1","9","1","10","3","1") = "9"
    & skf18("4","1","9","1","10","4","1") = "9"
    & skf18("4","1","9","1","10","5","1") = "9"
    & skf18("4","1","9","1","10","6","1") = "9"
    & skf18("4","1","9","1","10","7","1") = "9"
    & skf18("4","1","9","1","10","8","1") = "9"
    & skf18("4","1","9","1","10","9","1") = "9"
    & skf18("4","1","9","1","10","10","1") = "9"
    & skf18("4","1","9","2","1","1","1") = "8"
    & skf18("4","1","9","2","1","2","1") = "8"
    & skf18("4","1","9","2","1","3","1") = "8"
    & skf18("4","1","9","2","1","4","1") = "8"
    & skf18("4","1","9","2","1","5","1") = "8"
    & skf18("4","1","9","2","1","6","1") = "8"
    & skf18("4","1","9","2","1","7","1") = "8"
    & skf18("4","1","9","2","1","8","1") = "8"
    & skf18("4","1","9","2","1","9","1") = "8"
    & skf18("4","1","9","2","1","10","1") = "9"
    & skf18("4","1","9","2","2","1","1") = "8"
    & skf18("4","1","9","2","2","2","1") = "8"
    & skf18("4","1","9","2","2","3","1") = "8"
    & skf18("4","1","9","2","2","4","1") = "8"
    & skf18("4","1","9","2","2","5","1") = "8"
    & skf18("4","1","9","2","2","6","1") = "8"
    & skf18("4","1","9","2","2","7","1") = "8"
    & skf18("4","1","9","2","2","8","1") = "8"
    & skf18("4","1","9","2","2","9","1") = "8"
    & skf18("4","1","9","2","2","10","1") = "9"
    & skf18("4","1","9","2","3","1","1") = "8"
    & skf18("4","1","9","2","3","2","1") = "8"
    & skf18("4","1","9","2","3","3","1") = "8"
    & skf18("4","1","9","2","3","4","1") = "8"
    & skf18("4","1","9","2","3","5","1") = "8"
    & skf18("4","1","9","2","3","6","1") = "8"
    & skf18("4","1","9","2","3","7","1") = "8"
    & skf18("4","1","9","2","3","8","1") = "8"
    & skf18("4","1","9","2","3","9","1") = "8"
    & skf18("4","1","9","2","3","10","1") = "9"
    & skf18("4","1","9","2","4","1","1") = "8"
    & skf18("4","1","9","2","4","2","1") = "8"
    & skf18("4","1","9","2","4","3","1") = "8"
    & skf18("4","1","9","2","4","4","1") = "8"
    & skf18("4","1","9","2","4","5","1") = "8"
    & skf18("4","1","9","2","4","6","1") = "8"
    & skf18("4","1","9","2","4","7","1") = "8"
    & skf18("4","1","9","2","4","8","1") = "8"
    & skf18("4","1","9","2","4","9","1") = "8"
    & skf18("4","1","9","2","4","10","1") = "9"
    & skf18("4","1","9","2","5","1","1") = "8"
    & skf18("4","1","9","2","5","2","1") = "8"
    & skf18("4","1","9","2","5","3","1") = "8"
    & skf18("4","1","9","2","5","4","1") = "8"
    & skf18("4","1","9","2","5","5","1") = "8"
    & skf18("4","1","9","2","5","6","1") = "8"
    & skf18("4","1","9","2","5","7","1") = "8"
    & skf18("4","1","9","2","5","8","1") = "8"
    & skf18("4","1","9","2","5","9","1") = "8"
    & skf18("4","1","9","2","5","10","1") = "9"
    & skf18("4","1","9","2","6","1","1") = "8"
    & skf18("4","1","9","2","6","2","1") = "8"
    & skf18("4","1","9","2","6","3","1") = "8"
    & skf18("4","1","9","2","6","4","1") = "8"
    & skf18("4","1","9","2","6","5","1") = "8"
    & skf18("4","1","9","2","6","6","1") = "8"
    & skf18("4","1","9","2","6","7","1") = "8"
    & skf18("4","1","9","2","6","8","1") = "8"
    & skf18("4","1","9","2","6","9","1") = "8"
    & skf18("4","1","9","2","6","10","1") = "9"
    & skf18("4","1","9","2","7","1","1") = "8"
    & skf18("4","1","9","2","7","2","1") = "8"
    & skf18("4","1","9","2","7","3","1") = "8"
    & skf18("4","1","9","2","7","4","1") = "8"
    & skf18("4","1","9","2","7","5","1") = "8"
    & skf18("4","1","9","2","7","6","1") = "8"
    & skf18("4","1","9","2","7","7","1") = "8"
    & skf18("4","1","9","2","7","8","1") = "8"
    & skf18("4","1","9","2","7","9","1") = "8"
    & skf18("4","1","9","2","7","10","1") = "9"
    & skf18("4","1","9","2","8","1","1") = "8"
    & skf18("4","1","9","2","8","2","1") = "8"
    & skf18("4","1","9","2","8","3","1") = "8"
    & skf18("4","1","9","2","8","4","1") = "8"
    & skf18("4","1","9","2","8","5","1") = "8"
    & skf18("4","1","9","2","8","6","1") = "8"
    & skf18("4","1","9","2","8","7","1") = "8"
    & skf18("4","1","9","2","8","8","1") = "8"
    & skf18("4","1","9","2","8","9","1") = "8"
    & skf18("4","1","9","2","8","10","1") = "9"
    & skf18("4","1","9","2","9","1","1") = "8"
    & skf18("4","1","9","2","9","2","1") = "8"
    & skf18("4","1","9","2","9","3","1") = "8"
    & skf18("4","1","9","2","9","4","1") = "8"
    & skf18("4","1","9","2","9","5","1") = "8"
    & skf18("4","1","9","2","9","6","1") = "8"
    & skf18("4","1","9","2","9","7","1") = "8"
    & skf18("4","1","9","2","9","8","1") = "8"
    & skf18("4","1","9","2","9","9","1") = "8"
    & skf18("4","1","9","2","9","10","1") = "9"
    & skf18("4","1","9","2","10","1","1") = "9"
    & skf18("4","1","9","2","10","2","1") = "9"
    & skf18("4","1","9","2","10","3","1") = "9"
    & skf18("4","1","9","2","10","4","1") = "9"
    & skf18("4","1","9","2","10","5","1") = "9"
    & skf18("4","1","9","2","10","6","1") = "9"
    & skf18("4","1","9","2","10","7","1") = "9"
    & skf18("4","1","9","2","10","8","1") = "9"
    & skf18("4","1","9","2","10","9","1") = "9"
    & skf18("4","1","9","2","10","10","1") = "9"
    & skf18("4","1","9","3","1","1","1") = "8"
    & skf18("4","1","9","3","1","2","1") = "8"
    & skf18("4","1","9","3","1","3","1") = "8"
    & skf18("4","1","9","3","1","4","1") = "8"
    & skf18("4","1","9","3","1","5","1") = "8"
    & skf18("4","1","9","3","1","6","1") = "8"
    & skf18("4","1","9","3","1","7","1") = "8"
    & skf18("4","1","9","3","1","8","1") = "8"
    & skf18("4","1","9","3","1","9","1") = "8"
    & skf18("4","1","9","3","1","10","1") = "9"
    & skf18("4","1","9","3","2","1","1") = "8"
    & skf18("4","1","9","3","2","2","1") = "8"
    & skf18("4","1","9","3","2","3","1") = "8"
    & skf18("4","1","9","3","2","4","1") = "8"
    & skf18("4","1","9","3","2","5","1") = "8"
    & skf18("4","1","9","3","2","6","1") = "8"
    & skf18("4","1","9","3","2","7","1") = "8"
    & skf18("4","1","9","3","2","8","1") = "8"
    & skf18("4","1","9","3","2","9","1") = "8"
    & skf18("4","1","9","3","2","10","1") = "9"
    & skf18("4","1","9","3","3","1","1") = "8"
    & skf18("4","1","9","3","3","2","1") = "8"
    & skf18("4","1","9","3","3","3","1") = "8"
    & skf18("4","1","9","3","3","4","1") = "8"
    & skf18("4","1","9","3","3","5","1") = "8"
    & skf18("4","1","9","3","3","6","1") = "8"
    & skf18("4","1","9","3","3","7","1") = "8"
    & skf18("4","1","9","3","3","8","1") = "8"
    & skf18("4","1","9","3","3","9","1") = "8"
    & skf18("4","1","9","3","3","10","1") = "9"
    & skf18("4","1","9","3","4","1","1") = "8"
    & skf18("4","1","9","3","4","2","1") = "8"
    & skf18("4","1","9","3","4","3","1") = "8"
    & skf18("4","1","9","3","4","4","1") = "8"
    & skf18("4","1","9","3","4","5","1") = "8"
    & skf18("4","1","9","3","4","6","1") = "8"
    & skf18("4","1","9","3","4","7","1") = "8"
    & skf18("4","1","9","3","4","8","1") = "8"
    & skf18("4","1","9","3","4","9","1") = "8"
    & skf18("4","1","9","3","4","10","1") = "9"
    & skf18("4","1","9","3","5","1","1") = "8"
    & skf18("4","1","9","3","5","2","1") = "8"
    & skf18("4","1","9","3","5","3","1") = "8"
    & skf18("4","1","9","3","5","4","1") = "8"
    & skf18("4","1","9","3","5","5","1") = "8"
    & skf18("4","1","9","3","5","6","1") = "8"
    & skf18("4","1","9","3","5","7","1") = "8"
    & skf18("4","1","9","3","5","8","1") = "8"
    & skf18("4","1","9","3","5","9","1") = "8"
    & skf18("4","1","9","3","5","10","1") = "9"
    & skf18("4","1","9","3","6","1","1") = "8"
    & skf18("4","1","9","3","6","2","1") = "8"
    & skf18("4","1","9","3","6","3","1") = "8"
    & skf18("4","1","9","3","6","4","1") = "8"
    & skf18("4","1","9","3","6","5","1") = "8"
    & skf18("4","1","9","3","6","6","1") = "8"
    & skf18("4","1","9","3","6","7","1") = "8"
    & skf18("4","1","9","3","6","8","1") = "8"
    & skf18("4","1","9","3","6","9","1") = "8"
    & skf18("4","1","9","3","6","10","1") = "9"
    & skf18("4","1","9","3","7","1","1") = "8"
    & skf18("4","1","9","3","7","2","1") = "8"
    & skf18("4","1","9","3","7","3","1") = "8"
    & skf18("4","1","9","3","7","4","1") = "8"
    & skf18("4","1","9","3","7","5","1") = "8"
    & skf18("4","1","9","3","7","6","1") = "8"
    & skf18("4","1","9","3","7","7","1") = "8"
    & skf18("4","1","9","3","7","8","1") = "8"
    & skf18("4","1","9","3","7","9","1") = "8"
    & skf18("4","1","9","3","7","10","1") = "9"
    & skf18("4","1","9","3","8","1","1") = "8"
    & skf18("4","1","9","3","8","2","1") = "8"
    & skf18("4","1","9","3","8","3","1") = "8"
    & skf18("4","1","9","3","8","4","1") = "8"
    & skf18("4","1","9","3","8","5","1") = "8"
    & skf18("4","1","9","3","8","6","1") = "8"
    & skf18("4","1","9","3","8","7","1") = "8"
    & skf18("4","1","9","3","8","8","1") = "8"
    & skf18("4","1","9","3","8","9","1") = "8"
    & skf18("4","1","9","3","8","10","1") = "9"
    & skf18("4","1","9","3","9","1","1") = "8"
    & skf18("4","1","9","3","9","2","1") = "8"
    & skf18("4","1","9","3","9","3","1") = "8"
    & skf18("4","1","9","3","9","4","1") = "8"
    & skf18("4","1","9","3","9","5","1") = "8"
    & skf18("4","1","9","3","9","6","1") = "8"
    & skf18("4","1","9","3","9","7","1") = "8"
    & skf18("4","1","9","3","9","8","1") = "8"
    & skf18("4","1","9","3","9","9","1") = "8"
    & skf18("4","1","9","3","9","10","1") = "9"
    & skf18("4","1","9","3","10","1","1") = "9"
    & skf18("4","1","9","3","10","2","1") = "9"
    & skf18("4","1","9","3","10","3","1") = "9"
    & skf18("4","1","9","3","10","4","1") = "9"
    & skf18("4","1","9","3","10","5","1") = "9"
    & skf18("4","1","9","3","10","6","1") = "9"
    & skf18("4","1","9","3","10","7","1") = "9"
    & skf18("4","1","9","3","10","8","1") = "9"
    & skf18("4","1","9","3","10","9","1") = "9"
    & skf18("4","1","9","3","10","10","1") = "9"
    & skf18("4","1","9","4","1","1","1") = "8"
    & skf18("4","1","9","4","1","2","1") = "8"
    & skf18("4","1","9","4","1","3","1") = "8"
    & skf18("4","1","9","4","1","4","1") = "8"
    & skf18("4","1","9","4","1","5","1") = "8"
    & skf18("4","1","9","4","1","6","1") = "8"
    & skf18("4","1","9","4","1","7","1") = "8"
    & skf18("4","1","9","4","1","8","1") = "8"
    & skf18("4","1","9","4","1","9","1") = "8"
    & skf18("4","1","9","4","1","10","1") = "9"
    & skf18("4","1","9","4","2","1","1") = "8"
    & skf18("4","1","9","4","2","2","1") = "8"
    & skf18("4","1","9","4","2","3","1") = "8"
    & skf18("4","1","9","4","2","4","1") = "8"
    & skf18("4","1","9","4","2","5","1") = "8"
    & skf18("4","1","9","4","2","6","1") = "8"
    & skf18("4","1","9","4","2","7","1") = "8"
    & skf18("4","1","9","4","2","8","1") = "8"
    & skf18("4","1","9","4","2","9","1") = "8"
    & skf18("4","1","9","4","2","10","1") = "9"
    & skf18("4","1","9","4","3","1","1") = "8"
    & skf18("4","1","9","4","3","2","1") = "8"
    & skf18("4","1","9","4","3","3","1") = "8"
    & skf18("4","1","9","4","3","4","1") = "8"
    & skf18("4","1","9","4","3","5","1") = "8"
    & skf18("4","1","9","4","3","6","1") = "8"
    & skf18("4","1","9","4","3","7","1") = "8"
    & skf18("4","1","9","4","3","8","1") = "8"
    & skf18("4","1","9","4","3","9","1") = "8"
    & skf18("4","1","9","4","3","10","1") = "9"
    & skf18("4","1","9","4","4","1","1") = "8"
    & skf18("4","1","9","4","4","2","1") = "8"
    & skf18("4","1","9","4","4","3","1") = "8"
    & skf18("4","1","9","4","4","4","1") = "8"
    & skf18("4","1","9","4","4","5","1") = "8"
    & skf18("4","1","9","4","4","6","1") = "8"
    & skf18("4","1","9","4","4","7","1") = "8"
    & skf18("4","1","9","4","4","8","1") = "8"
    & skf18("4","1","9","4","4","9","1") = "8"
    & skf18("4","1","9","4","4","10","1") = "9"
    & skf18("4","1","9","4","5","1","1") = "8"
    & skf18("4","1","9","4","5","2","1") = "8"
    & skf18("4","1","9","4","5","3","1") = "8"
    & skf18("4","1","9","4","5","4","1") = "8"
    & skf18("4","1","9","4","5","5","1") = "8"
    & skf18("4","1","9","4","5","6","1") = "8"
    & skf18("4","1","9","4","5","7","1") = "8"
    & skf18("4","1","9","4","5","8","1") = "8"
    & skf18("4","1","9","4","5","9","1") = "8"
    & skf18("4","1","9","4","5","10","1") = "9"
    & skf18("4","1","9","4","6","1","1") = "8"
    & skf18("4","1","9","4","6","2","1") = "8"
    & skf18("4","1","9","4","6","3","1") = "8"
    & skf18("4","1","9","4","6","4","1") = "8"
    & skf18("4","1","9","4","6","5","1") = "8"
    & skf18("4","1","9","4","6","6","1") = "8"
    & skf18("4","1","9","4","6","7","1") = "8"
    & skf18("4","1","9","4","6","8","1") = "8"
    & skf18("4","1","9","4","6","9","1") = "8"
    & skf18("4","1","9","4","6","10","1") = "9"
    & skf18("4","1","9","4","7","1","1") = "8"
    & skf18("4","1","9","4","7","2","1") = "8"
    & skf18("4","1","9","4","7","3","1") = "8"
    & skf18("4","1","9","4","7","4","1") = "8"
    & skf18("4","1","9","4","7","5","1") = "8"
    & skf18("4","1","9","4","7","6","1") = "8"
    & skf18("4","1","9","4","7","7","1") = "8"
    & skf18("4","1","9","4","7","8","1") = "8"
    & skf18("4","1","9","4","7","9","1") = "8"
    & skf18("4","1","9","4","7","10","1") = "9"
    & skf18("4","1","9","4","8","1","1") = "8"
    & skf18("4","1","9","4","8","2","1") = "8"
    & skf18("4","1","9","4","8","3","1") = "8"
    & skf18("4","1","9","4","8","4","1") = "8"
    & skf18("4","1","9","4","8","5","1") = "8"
    & skf18("4","1","9","4","8","6","1") = "8"
    & skf18("4","1","9","4","8","7","1") = "8"
    & skf18("4","1","9","4","8","8","1") = "8"
    & skf18("4","1","9","4","8","9","1") = "8"
    & skf18("4","1","9","4","8","10","1") = "9"
    & skf18("4","1","9","4","9","1","1") = "8"
    & skf18("4","1","9","4","9","2","1") = "8"
    & skf18("4","1","9","4","9","3","1") = "8"
    & skf18("4","1","9","4","9","4","1") = "8"
    & skf18("4","1","9","4","9","5","1") = "8"
    & skf18("4","1","9","4","9","6","1") = "8"
    & skf18("4","1","9","4","9","7","1") = "8"
    & skf18("4","1","9","4","9","8","1") = "8"
    & skf18("4","1","9","4","9","9","1") = "8"
    & skf18("4","1","9","4","9","10","1") = "9"
    & skf18("4","1","9","4","10","1","1") = "9"
    & skf18("4","1","9","4","10","2","1") = "9"
    & skf18("4","1","9","4","10","3","1") = "9"
    & skf18("4","1","9","4","10","4","1") = "9"
    & skf18("4","1","9","4","10","5","1") = "9"
    & skf18("4","1","9","4","10","6","1") = "9"
    & skf18("4","1","9","4","10","7","1") = "9"
    & skf18("4","1","9","4","10","8","1") = "9"
    & skf18("4","1","9","4","10","9","1") = "9"
    & skf18("4","1","9","4","10","10","1") = "9"
    & skf18("4","1","9","5","1","1","1") = "8"
    & skf18("4","1","9","5","1","2","1") = "8"
    & skf18("4","1","9","5","1","3","1") = "8"
    & skf18("4","1","9","5","1","4","1") = "8"
    & skf18("4","1","9","5","1","5","1") = "8"
    & skf18("4","1","9","5","1","6","1") = "8"
    & skf18("4","1","9","5","1","7","1") = "8"
    & skf18("4","1","9","5","1","8","1") = "8"
    & skf18("4","1","9","5","1","9","1") = "8"
    & skf18("4","1","9","5","1","10","1") = "9"
    & skf18("4","1","9","5","2","1","1") = "8"
    & skf18("4","1","9","5","2","2","1") = "8"
    & skf18("4","1","9","5","2","3","1") = "8"
    & skf18("4","1","9","5","2","4","1") = "8"
    & skf18("4","1","9","5","2","5","1") = "8"
    & skf18("4","1","9","5","2","6","1") = "8"
    & skf18("4","1","9","5","2","7","1") = "8"
    & skf18("4","1","9","5","2","8","1") = "8"
    & skf18("4","1","9","5","2","9","1") = "8"
    & skf18("4","1","9","5","2","10","1") = "9"
    & skf18("4","1","9","5","3","1","1") = "8"
    & skf18("4","1","9","5","3","2","1") = "8"
    & skf18("4","1","9","5","3","3","1") = "8"
    & skf18("4","1","9","5","3","4","1") = "8"
    & skf18("4","1","9","5","3","5","1") = "8"
    & skf18("4","1","9","5","3","6","1") = "8"
    & skf18("4","1","9","5","3","7","1") = "8"
    & skf18("4","1","9","5","3","8","1") = "8"
    & skf18("4","1","9","5","3","9","1") = "8"
    & skf18("4","1","9","5","3","10","1") = "9"
    & skf18("4","1","9","5","4","1","1") = "8"
    & skf18("4","1","9","5","4","2","1") = "8"
    & skf18("4","1","9","5","4","3","1") = "8"
    & skf18("4","1","9","5","4","4","1") = "8"
    & skf18("4","1","9","5","4","5","1") = "8"
    & skf18("4","1","9","5","4","6","1") = "8"
    & skf18("4","1","9","5","4","7","1") = "8"
    & skf18("4","1","9","5","4","8","1") = "8"
    & skf18("4","1","9","5","4","9","1") = "8"
    & skf18("4","1","9","5","4","10","1") = "9"
    & skf18("4","1","9","5","5","1","1") = "8"
    & skf18("4","1","9","5","5","2","1") = "8"
    & skf18("4","1","9","5","5","3","1") = "8"
    & skf18("4","1","9","5","5","4","1") = "8"
    & skf18("4","1","9","5","5","5","1") = "8"
    & skf18("4","1","9","5","5","6","1") = "8"
    & skf18("4","1","9","5","5","7","1") = "8"
    & skf18("4","1","9","5","5","8","1") = "8"
    & skf18("4","1","9","5","5","9","1") = "8"
    & skf18("4","1","9","5","5","10","1") = "9"
    & skf18("4","1","9","5","6","1","1") = "8"
    & skf18("4","1","9","5","6","2","1") = "8"
    & skf18("4","1","9","5","6","3","1") = "8"
    & skf18("4","1","9","5","6","4","1") = "8"
    & skf18("4","1","9","5","6","5","1") = "8"
    & skf18("4","1","9","5","6","6","1") = "8"
    & skf18("4","1","9","5","6","7","1") = "8"
    & skf18("4","1","9","5","6","8","1") = "8"
    & skf18("4","1","9","5","6","9","1") = "8"
    & skf18("4","1","9","5","6","10","1") = "9"
    & skf18("4","1","9","5","7","1","1") = "8"
    & skf18("4","1","9","5","7","2","1") = "8"
    & skf18("4","1","9","5","7","3","1") = "8"
    & skf18("4","1","9","5","7","4","1") = "8"
    & skf18("4","1","9","5","7","5","1") = "8"
    & skf18("4","1","9","5","7","6","1") = "8"
    & skf18("4","1","9","5","7","7","1") = "8"
    & skf18("4","1","9","5","7","8","1") = "8"
    & skf18("4","1","9","5","7","9","1") = "8"
    & skf18("4","1","9","5","7","10","1") = "9"
    & skf18("4","1","9","5","8","1","1") = "8"
    & skf18("4","1","9","5","8","2","1") = "8"
    & skf18("4","1","9","5","8","3","1") = "8"
    & skf18("4","1","9","5","8","4","1") = "8"
    & skf18("4","1","9","5","8","5","1") = "8"
    & skf18("4","1","9","5","8","6","1") = "8"
    & skf18("4","1","9","5","8","7","1") = "8"
    & skf18("4","1","9","5","8","8","1") = "8"
    & skf18("4","1","9","5","8","9","1") = "8"
    & skf18("4","1","9","5","8","10","1") = "9"
    & skf18("4","1","9","5","9","1","1") = "8"
    & skf18("4","1","9","5","9","2","1") = "8"
    & skf18("4","1","9","5","9","3","1") = "8"
    & skf18("4","1","9","5","9","4","1") = "8"
    & skf18("4","1","9","5","9","5","1") = "8"
    & skf18("4","1","9","5","9","6","1") = "8"
    & skf18("4","1","9","5","9","7","1") = "8"
    & skf18("4","1","9","5","9","8","1") = "8"
    & skf18("4","1","9","5","9","9","1") = "8"
    & skf18("4","1","9","5","9","10","1") = "9"
    & skf18("4","1","9","5","10","1","1") = "9"
    & skf18("4","1","9","5","10","2","1") = "9"
    & skf18("4","1","9","5","10","3","1") = "9"
    & skf18("4","1","9","5","10","4","1") = "9"
    & skf18("4","1","9","5","10","5","1") = "9"
    & skf18("4","1","9","5","10","6","1") = "9"
    & skf18("4","1","9","5","10","7","1") = "9"
    & skf18("4","1","9","5","10","8","1") = "9"
    & skf18("4","1","9","5","10","9","1") = "9"
    & skf18("4","1","9","5","10","10","1") = "9"
    & skf18("4","1","9","6","1","1","1") = "8"
    & skf18("4","1","9","6","1","2","1") = "8"
    & skf18("4","1","9","6","1","3","1") = "8"
    & skf18("4","1","9","6","1","4","1") = "8"
    & skf18("4","1","9","6","1","5","1") = "8"
    & skf18("4","1","9","6","1","6","1") = "8"
    & skf18("4","1","9","6","1","7","1") = "8"
    & skf18("4","1","9","6","1","8","1") = "8"
    & skf18("4","1","9","6","1","9","1") = "8"
    & skf18("4","1","9","6","1","10","1") = "9"
    & skf18("4","1","9","6","2","1","1") = "8"
    & skf18("4","1","9","6","2","2","1") = "8"
    & skf18("4","1","9","6","2","3","1") = "8"
    & skf18("4","1","9","6","2","4","1") = "8"
    & skf18("4","1","9","6","2","5","1") = "8"
    & skf18("4","1","9","6","2","6","1") = "8"
    & skf18("4","1","9","6","2","7","1") = "8"
    & skf18("4","1","9","6","2","8","1") = "8"
    & skf18("4","1","9","6","2","9","1") = "8"
    & skf18("4","1","9","6","2","10","1") = "9"
    & skf18("4","1","9","6","3","1","1") = "8"
    & skf18("4","1","9","6","3","2","1") = "8"
    & skf18("4","1","9","6","3","3","1") = "8"
    & skf18("4","1","9","6","3","4","1") = "8"
    & skf18("4","1","9","6","3","5","1") = "8"
    & skf18("4","1","9","6","3","6","1") = "8"
    & skf18("4","1","9","6","3","7","1") = "8"
    & skf18("4","1","9","6","3","8","1") = "8"
    & skf18("4","1","9","6","3","9","1") = "8"
    & skf18("4","1","9","6","3","10","1") = "9"
    & skf18("4","1","9","6","4","1","1") = "8"
    & skf18("4","1","9","6","4","2","1") = "8"
    & skf18("4","1","9","6","4","3","1") = "8"
    & skf18("4","1","9","6","4","4","1") = "8"
    & skf18("4","1","9","6","4","5","1") = "8"
    & skf18("4","1","9","6","4","6","1") = "8"
    & skf18("4","1","9","6","4","7","1") = "8"
    & skf18("4","1","9","6","4","8","1") = "8"
    & skf18("4","1","9","6","4","9","1") = "8"
    & skf18("4","1","9","6","4","10","1") = "9"
    & skf18("4","1","9","6","5","1","1") = "8"
    & skf18("4","1","9","6","5","2","1") = "8"
    & skf18("4","1","9","6","5","3","1") = "8"
    & skf18("4","1","9","6","5","4","1") = "8"
    & skf18("4","1","9","6","5","5","1") = "8"
    & skf18("4","1","9","6","5","6","1") = "8"
    & skf18("4","1","9","6","5","7","1") = "8"
    & skf18("4","1","9","6","5","8","1") = "8"
    & skf18("4","1","9","6","5","9","1") = "8"
    & skf18("4","1","9","6","5","10","1") = "9"
    & skf18("4","1","9","6","6","1","1") = "8"
    & skf18("4","1","9","6","6","2","1") = "8"
    & skf18("4","1","9","6","6","3","1") = "8"
    & skf18("4","1","9","6","6","4","1") = "8"
    & skf18("4","1","9","6","6","5","1") = "8"
    & skf18("4","1","9","6","6","6","1") = "8"
    & skf18("4","1","9","6","6","7","1") = "8"
    & skf18("4","1","9","6","6","8","1") = "8"
    & skf18("4","1","9","6","6","9","1") = "8"
    & skf18("4","1","9","6","6","10","1") = "9"
    & skf18("4","1","9","6","7","1","1") = "8"
    & skf18("4","1","9","6","7","2","1") = "8"
    & skf18("4","1","9","6","7","3","1") = "8"
    & skf18("4","1","9","6","7","4","1") = "8"
    & skf18("4","1","9","6","7","5","1") = "8"
    & skf18("4","1","9","6","7","6","1") = "8"
    & skf18("4","1","9","6","7","7","1") = "8"
    & skf18("4","1","9","6","7","8","1") = "8"
    & skf18("4","1","9","6","7","9","1") = "8"
    & skf18("4","1","9","6","7","10","1") = "9"
    & skf18("4","1","9","6","8","1","1") = "8"
    & skf18("4","1","9","6","8","2","1") = "8"
    & skf18("4","1","9","6","8","3","1") = "8"
    & skf18("4","1","9","6","8","4","1") = "8"
    & skf18("4","1","9","6","8","5","1") = "8"
    & skf18("4","1","9","6","8","6","1") = "8"
    & skf18("4","1","9","6","8","7","1") = "8"
    & skf18("4","1","9","6","8","8","1") = "8"
    & skf18("4","1","9","6","8","9","1") = "8"
    & skf18("4","1","9","6","8","10","1") = "9"
    & skf18("4","1","9","6","9","1","1") = "8"
    & skf18("4","1","9","6","9","2","1") = "8"
    & skf18("4","1","9","6","9","3","1") = "8"
    & skf18("4","1","9","6","9","4","1") = "8"
    & skf18("4","1","9","6","9","5","1") = "8"
    & skf18("4","1","9","6","9","6","1") = "8"
    & skf18("4","1","9","6","9","7","1") = "8"
    & skf18("4","1","9","6","9","8","1") = "8"
    & skf18("4","1","9","6","9","9","1") = "8"
    & skf18("4","1","9","6","9","10","1") = "9"
    & skf18("4","1","9","6","10","1","1") = "9"
    & skf18("4","1","9","6","10","2","1") = "9"
    & skf18("4","1","9","6","10","3","1") = "9"
    & skf18("4","1","9","6","10","4","1") = "9"
    & skf18("4","1","9","6","10","5","1") = "9"
    & skf18("4","1","9","6","10","6","1") = "9"
    & skf18("4","1","9","6","10","7","1") = "9"
    & skf18("4","1","9","6","10","8","1") = "9"
    & skf18("4","1","9","6","10","9","1") = "9"
    & skf18("4","1","9","6","10","10","1") = "9"
    & skf18("4","1","9","7","1","1","1") = "8"
    & skf18("4","1","9","7","1","2","1") = "8"
    & skf18("4","1","9","7","1","3","1") = "8"
    & skf18("4","1","9","7","1","4","1") = "8"
    & skf18("4","1","9","7","1","5","1") = "8"
    & skf18("4","1","9","7","1","6","1") = "8"
    & skf18("4","1","9","7","1","7","1") = "8"
    & skf18("4","1","9","7","1","8","1") = "8"
    & skf18("4","1","9","7","1","9","1") = "8"
    & skf18("4","1","9","7","1","10","1") = "9"
    & skf18("4","1","9","7","2","1","1") = "8"
    & skf18("4","1","9","7","2","2","1") = "8"
    & skf18("4","1","9","7","2","3","1") = "8"
    & skf18("4","1","9","7","2","4","1") = "8"
    & skf18("4","1","9","7","2","5","1") = "8"
    & skf18("4","1","9","7","2","6","1") = "8"
    & skf18("4","1","9","7","2","7","1") = "8"
    & skf18("4","1","9","7","2","8","1") = "8"
    & skf18("4","1","9","7","2","9","1") = "8"
    & skf18("4","1","9","7","2","10","1") = "9"
    & skf18("4","1","9","7","3","1","1") = "8"
    & skf18("4","1","9","7","3","2","1") = "8"
    & skf18("4","1","9","7","3","3","1") = "8"
    & skf18("4","1","9","7","3","4","1") = "8"
    & skf18("4","1","9","7","3","5","1") = "8"
    & skf18("4","1","9","7","3","6","1") = "8"
    & skf18("4","1","9","7","3","7","1") = "8"
    & skf18("4","1","9","7","3","8","1") = "8"
    & skf18("4","1","9","7","3","9","1") = "8"
    & skf18("4","1","9","7","3","10","1") = "9"
    & skf18("4","1","9","7","4","1","1") = "8"
    & skf18("4","1","9","7","4","2","1") = "8"
    & skf18("4","1","9","7","4","3","1") = "8"
    & skf18("4","1","9","7","4","4","1") = "8"
    & skf18("4","1","9","7","4","5","1") = "8"
    & skf18("4","1","9","7","4","6","1") = "8"
    & skf18("4","1","9","7","4","7","1") = "8"
    & skf18("4","1","9","7","4","8","1") = "8"
    & skf18("4","1","9","7","4","9","1") = "8"
    & skf18("4","1","9","7","4","10","1") = "9"
    & skf18("4","1","9","7","5","1","1") = "8"
    & skf18("4","1","9","7","5","2","1") = "8"
    & skf18("4","1","9","7","5","3","1") = "8"
    & skf18("4","1","9","7","5","4","1") = "8"
    & skf18("4","1","9","7","5","5","1") = "8"
    & skf18("4","1","9","7","5","6","1") = "8"
    & skf18("4","1","9","7","5","7","1") = "8"
    & skf18("4","1","9","7","5","8","1") = "8"
    & skf18("4","1","9","7","5","9","1") = "8"
    & skf18("4","1","9","7","5","10","1") = "9"
    & skf18("4","1","9","7","6","1","1") = "8"
    & skf18("4","1","9","7","6","2","1") = "8"
    & skf18("4","1","9","7","6","3","1") = "8"
    & skf18("4","1","9","7","6","4","1") = "8"
    & skf18("4","1","9","7","6","5","1") = "8"
    & skf18("4","1","9","7","6","6","1") = "8"
    & skf18("4","1","9","7","6","7","1") = "8"
    & skf18("4","1","9","7","6","8","1") = "8"
    & skf18("4","1","9","7","6","9","1") = "8"
    & skf18("4","1","9","7","6","10","1") = "9"
    & skf18("4","1","9","7","7","1","1") = "8"
    & skf18("4","1","9","7","7","2","1") = "8"
    & skf18("4","1","9","7","7","3","1") = "8"
    & skf18("4","1","9","7","7","4","1") = "8"
    & skf18("4","1","9","7","7","5","1") = "8"
    & skf18("4","1","9","7","7","6","1") = "8"
    & skf18("4","1","9","7","7","7","1") = "8"
    & skf18("4","1","9","7","7","8","1") = "8"
    & skf18("4","1","9","7","7","9","1") = "8"
    & skf18("4","1","9","7","7","10","1") = "9"
    & skf18("4","1","9","7","8","1","1") = "8"
    & skf18("4","1","9","7","8","2","1") = "8"
    & skf18("4","1","9","7","8","3","1") = "8"
    & skf18("4","1","9","7","8","4","1") = "8"
    & skf18("4","1","9","7","8","5","1") = "8"
    & skf18("4","1","9","7","8","6","1") = "8"
    & skf18("4","1","9","7","8","7","1") = "8"
    & skf18("4","1","9","7","8","8","1") = "8"
    & skf18("4","1","9","7","8","9","1") = "8"
    & skf18("4","1","9","7","8","10","1") = "9"
    & skf18("4","1","9","7","9","1","1") = "8"
    & skf18("4","1","9","7","9","2","1") = "8"
    & skf18("4","1","9","7","9","3","1") = "8"
    & skf18("4","1","9","7","9","4","1") = "8"
    & skf18("4","1","9","7","9","5","1") = "8"
    & skf18("4","1","9","7","9","6","1") = "8"
    & skf18("4","1","9","7","9","7","1") = "8"
    & skf18("4","1","9","7","9","8","1") = "8"
    & skf18("4","1","9","7","9","9","1") = "8"
    & skf18("4","1","9","7","9","10","1") = "9"
    & skf18("4","1","9","7","10","1","1") = "9"
    & skf18("4","1","9","7","10","2","1") = "9"
    & skf18("4","1","9","7","10","3","1") = "9"
    & skf18("4","1","9","7","10","4","1") = "9"
    & skf18("4","1","9","7","10","5","1") = "9"
    & skf18("4","1","9","7","10","6","1") = "9"
    & skf18("4","1","9","7","10","7","1") = "9"
    & skf18("4","1","9","7","10","8","1") = "9"
    & skf18("4","1","9","7","10","9","1") = "9"
    & skf18("4","1","9","7","10","10","1") = "9"
    & skf18("4","1","9","8","1","1","1") = "8"
    & skf18("4","1","9","8","1","2","1") = "8"
    & skf18("4","1","9","8","1","3","1") = "8"
    & skf18("4","1","9","8","1","4","1") = "8"
    & skf18("4","1","9","8","1","5","1") = "8"
    & skf18("4","1","9","8","1","6","1") = "8"
    & skf18("4","1","9","8","1","7","1") = "8"
    & skf18("4","1","9","8","1","8","1") = "8"
    & skf18("4","1","9","8","1","9","1") = "8"
    & skf18("4","1","9","8","1","10","1") = "9"
    & skf18("4","1","9","8","2","1","1") = "8"
    & skf18("4","1","9","8","2","2","1") = "8"
    & skf18("4","1","9","8","2","3","1") = "8"
    & skf18("4","1","9","8","2","4","1") = "8"
    & skf18("4","1","9","8","2","5","1") = "8"
    & skf18("4","1","9","8","2","6","1") = "8"
    & skf18("4","1","9","8","2","7","1") = "8"
    & skf18("4","1","9","8","2","8","1") = "8"
    & skf18("4","1","9","8","2","9","1") = "8"
    & skf18("4","1","9","8","2","10","1") = "9"
    & skf18("4","1","9","8","3","1","1") = "8"
    & skf18("4","1","9","8","3","2","1") = "8"
    & skf18("4","1","9","8","3","3","1") = "8"
    & skf18("4","1","9","8","3","4","1") = "8"
    & skf18("4","1","9","8","3","5","1") = "8"
    & skf18("4","1","9","8","3","6","1") = "8"
    & skf18("4","1","9","8","3","7","1") = "8"
    & skf18("4","1","9","8","3","8","1") = "8"
    & skf18("4","1","9","8","3","9","1") = "8"
    & skf18("4","1","9","8","3","10","1") = "9"
    & skf18("4","1","9","8","4","1","1") = "8"
    & skf18("4","1","9","8","4","2","1") = "8"
    & skf18("4","1","9","8","4","3","1") = "8"
    & skf18("4","1","9","8","4","4","1") = "8"
    & skf18("4","1","9","8","4","5","1") = "8"
    & skf18("4","1","9","8","4","6","1") = "8"
    & skf18("4","1","9","8","4","7","1") = "8"
    & skf18("4","1","9","8","4","8","1") = "8"
    & skf18("4","1","9","8","4","9","1") = "8"
    & skf18("4","1","9","8","4","10","1") = "9"
    & skf18("4","1","9","8","5","1","1") = "8"
    & skf18("4","1","9","8","5","2","1") = "8"
    & skf18("4","1","9","8","5","3","1") = "8"
    & skf18("4","1","9","8","5","4","1") = "8"
    & skf18("4","1","9","8","5","5","1") = "8"
    & skf18("4","1","9","8","5","6","1") = "8"
    & skf18("4","1","9","8","5","7","1") = "8"
    & skf18("4","1","9","8","5","8","1") = "8"
    & skf18("4","1","9","8","5","9","1") = "8"
    & skf18("4","1","9","8","5","10","1") = "9"
    & skf18("4","1","9","8","6","1","1") = "8"
    & skf18("4","1","9","8","6","2","1") = "8"
    & skf18("4","1","9","8","6","3","1") = "8"
    & skf18("4","1","9","8","6","4","1") = "8"
    & skf18("4","1","9","8","6","5","1") = "8"
    & skf18("4","1","9","8","6","6","1") = "8"
    & skf18("4","1","9","8","6","7","1") = "8"
    & skf18("4","1","9","8","6","8","1") = "8"
    & skf18("4","1","9","8","6","9","1") = "8"
    & skf18("4","1","9","8","6","10","1") = "9"
    & skf18("4","1","9","8","7","1","1") = "8"
    & skf18("4","1","9","8","7","2","1") = "8"
    & skf18("4","1","9","8","7","3","1") = "8"
    & skf18("4","1","9","8","7","4","1") = "8"
    & skf18("4","1","9","8","7","5","1") = "8"
    & skf18("4","1","9","8","7","6","1") = "8"
    & skf18("4","1","9","8","7","7","1") = "8"
    & skf18("4","1","9","8","7","8","1") = "8"
    & skf18("4","1","9","8","7","9","1") = "8"
    & skf18("4","1","9","8","7","10","1") = "9"
    & skf18("4","1","9","8","8","1","1") = "8"
    & skf18("4","1","9","8","8","2","1") = "8"
    & skf18("4","1","9","8","8","3","1") = "8"
    & skf18("4","1","9","8","8","4","1") = "8"
    & skf18("4","1","9","8","8","5","1") = "8"
    & skf18("4","1","9","8","8","6","1") = "8"
    & skf18("4","1","9","8","8","7","1") = "8"
    & skf18("4","1","9","8","8","8","1") = "8"
    & skf18("4","1","9","8","8","9","1") = "8"
    & skf18("4","1","9","8","8","10","1") = "9"
    & skf18("4","1","9","8","9","1","1") = "8"
    & skf18("4","1","9","8","9","2","1") = "8"
    & skf18("4","1","9","8","9","3","1") = "8"
    & skf18("4","1","9","8","9","4","1") = "8"
    & skf18("4","1","9","8","9","5","1") = "8"
    & skf18("4","1","9","8","9","6","1") = "8"
    & skf18("4","1","9","8","9","7","1") = "8"
    & skf18("4","1","9","8","9","8","1") = "8"
    & skf18("4","1","9","8","9","9","1") = "8"
    & skf18("4","1","9","8","9","10","1") = "9"
    & skf18("4","1","9","8","10","1","1") = "9"
    & skf18("4","1","9","8","10","2","1") = "9"
    & skf18("4","1","9","8","10","3","1") = "9"
    & skf18("4","1","9","8","10","4","1") = "9"
    & skf18("4","1","9","8","10","5","1") = "9"
    & skf18("4","1","9","8","10","6","1") = "9"
    & skf18("4","1","9","8","10","7","1") = "9"
    & skf18("4","1","9","8","10","8","1") = "9"
    & skf18("4","1","9","8","10","9","1") = "9"
    & skf18("4","1","9","8","10","10","1") = "9"
    & skf18("4","1","9","9","1","1","1") = "8"
    & skf18("4","1","9","9","1","2","1") = "8"
    & skf18("4","1","9","9","1","3","1") = "8"
    & skf18("4","1","9","9","1","4","1") = "8"
    & skf18("4","1","9","9","1","5","1") = "8"
    & skf18("4","1","9","9","1","6","1") = "8"
    & skf18("4","1","9","9","1","7","1") = "8"
    & skf18("4","1","9","9","1","8","1") = "8"
    & skf18("4","1","9","9","1","9","1") = "8"
    & skf18("4","1","9","9","1","10","1") = "9"
    & skf18("4","1","9","9","2","1","1") = "8"
    & skf18("4","1","9","9","2","2","1") = "8"
    & skf18("4","1","9","9","2","3","1") = "8"
    & skf18("4","1","9","9","2","4","1") = "8"
    & skf18("4","1","9","9","2","5","1") = "8"
    & skf18("4","1","9","9","2","6","1") = "8"
    & skf18("4","1","9","9","2","7","1") = "8"
    & skf18("4","1","9","9","2","8","1") = "8"
    & skf18("4","1","9","9","2","9","1") = "8"
    & skf18("4","1","9","9","2","10","1") = "9"
    & skf18("4","1","9","9","3","1","1") = "8"
    & skf18("4","1","9","9","3","2","1") = "8"
    & skf18("4","1","9","9","3","3","1") = "8"
    & skf18("4","1","9","9","3","4","1") = "8"
    & skf18("4","1","9","9","3","5","1") = "8"
    & skf18("4","1","9","9","3","6","1") = "8"
    & skf18("4","1","9","9","3","7","1") = "8"
    & skf18("4","1","9","9","3","8","1") = "8"
    & skf18("4","1","9","9","3","9","1") = "8"
    & skf18("4","1","9","9","3","10","1") = "9"
    & skf18("4","1","9","9","4","1","1") = "8"
    & skf18("4","1","9","9","4","2","1") = "8"
    & skf18("4","1","9","9","4","3","1") = "8"
    & skf18("4","1","9","9","4","4","1") = "8"
    & skf18("4","1","9","9","4","5","1") = "8"
    & skf18("4","1","9","9","4","6","1") = "8"
    & skf18("4","1","9","9","4","7","1") = "8"
    & skf18("4","1","9","9","4","8","1") = "8"
    & skf18("4","1","9","9","4","9","1") = "8"
    & skf18("4","1","9","9","4","10","1") = "9"
    & skf18("4","1","9","9","5","1","1") = "8"
    & skf18("4","1","9","9","5","2","1") = "8"
    & skf18("4","1","9","9","5","3","1") = "8"
    & skf18("4","1","9","9","5","4","1") = "8"
    & skf18("4","1","9","9","5","5","1") = "8"
    & skf18("4","1","9","9","5","6","1") = "8"
    & skf18("4","1","9","9","5","7","1") = "8"
    & skf18("4","1","9","9","5","8","1") = "8"
    & skf18("4","1","9","9","5","9","1") = "8"
    & skf18("4","1","9","9","5","10","1") = "9"
    & skf18("4","1","9","9","6","1","1") = "8"
    & skf18("4","1","9","9","6","2","1") = "8"
    & skf18("4","1","9","9","6","3","1") = "8"
    & skf18("4","1","9","9","6","4","1") = "8"
    & skf18("4","1","9","9","6","5","1") = "8"
    & skf18("4","1","9","9","6","6","1") = "8"
    & skf18("4","1","9","9","6","7","1") = "8"
    & skf18("4","1","9","9","6","8","1") = "8"
    & skf18("4","1","9","9","6","9","1") = "8"
    & skf18("4","1","9","9","6","10","1") = "9"
    & skf18("4","1","9","9","7","1","1") = "8"
    & skf18("4","1","9","9","7","2","1") = "8"
    & skf18("4","1","9","9","7","3","1") = "8"
    & skf18("4","1","9","9","7","4","1") = "8"
    & skf18("4","1","9","9","7","5","1") = "8"
    & skf18("4","1","9","9","7","6","1") = "8"
    & skf18("4","1","9","9","7","7","1") = "8"
    & skf18("4","1","9","9","7","8","1") = "8"
    & skf18("4","1","9","9","7","9","1") = "8"
    & skf18("4","1","9","9","7","10","1") = "9"
    & skf18("4","1","9","9","8","1","1") = "8"
    & skf18("4","1","9","9","8","2","1") = "8"
    & skf18("4","1","9","9","8","3","1") = "8"
    & skf18("4","1","9","9","8","4","1") = "8"
    & skf18("4","1","9","9","8","5","1") = "8"
    & skf18("4","1","9","9","8","6","1") = "8"
    & skf18("4","1","9","9","8","7","1") = "8"
    & skf18("4","1","9","9","8","8","1") = "8"
    & skf18("4","1","9","9","8","9","1") = "8"
    & skf18("4","1","9","9","8","10","1") = "9"
    & skf18("4","1","9","9","9","1","1") = "8"
    & skf18("4","1","9","9","9","2","1") = "8"
    & skf18("4","1","9","9","9","3","1") = "8"
    & skf18("4","1","9","9","9","4","1") = "8"
    & skf18("4","1","9","9","9","5","1") = "8"
    & skf18("4","1","9","9","9","6","1") = "8"
    & skf18("4","1","9","9","9","7","1") = "8"
    & skf18("4","1","9","9","9","8","1") = "8"
    & skf18("4","1","9","9","9","9","1") = "8"
    & skf18("4","1","9","9","9","10","1") = "9"
    & skf18("4","1","9","9","10","1","1") = "9"
    & skf18("4","1","9","9","10","2","1") = "9"
    & skf18("4","1","9","9","10","3","1") = "9"
    & skf18("4","1","9","9","10","4","1") = "9"
    & skf18("4","1","9","9","10","5","1") = "9"
    & skf18("4","1","9","9","10","6","1") = "9"
    & skf18("4","1","9","9","10","7","1") = "9"
    & skf18("4","1","9","9","10","8","1") = "9"
    & skf18("4","1","9","9","10","9","1") = "9"
    & skf18("4","1","9","9","10","10","1") = "9"
    & skf18("4","1","9","10","1","1","1") = "9"
    & skf18("4","1","9","10","1","2","1") = "9"
    & skf18("4","1","9","10","1","3","1") = "9"
    & skf18("4","1","9","10","1","4","1") = "9"
    & skf18("4","1","9","10","1","5","1") = "9"
    & skf18("4","1","9","10","1","6","1") = "9"
    & skf18("4","1","9","10","1","7","1") = "9"
    & skf18("4","1","9","10","1","8","1") = "9"
    & skf18("4","1","9","10","1","9","1") = "9"
    & skf18("4","1","9","10","1","10","1") = "9"
    & skf18("4","1","9","10","2","1","1") = "9"
    & skf18("4","1","9","10","2","2","1") = "9"
    & skf18("4","1","9","10","2","3","1") = "9"
    & skf18("4","1","9","10","2","4","1") = "9"
    & skf18("4","1","9","10","2","5","1") = "9"
    & skf18("4","1","9","10","2","6","1") = "9"
    & skf18("4","1","9","10","2","7","1") = "9"
    & skf18("4","1","9","10","2","8","1") = "9"
    & skf18("4","1","9","10","2","9","1") = "9"
    & skf18("4","1","9","10","2","10","1") = "9"
    & skf18("4","1","9","10","3","1","1") = "9"
    & skf18("4","1","9","10","3","2","1") = "9"
    & skf18("4","1","9","10","3","3","1") = "9"
    & skf18("4","1","9","10","3","4","1") = "9"
    & skf18("4","1","9","10","3","5","1") = "9"
    & skf18("4","1","9","10","3","6","1") = "9"
    & skf18("4","1","9","10","3","7","1") = "9"
    & skf18("4","1","9","10","3","8","1") = "9"
    & skf18("4","1","9","10","3","9","1") = "9"
    & skf18("4","1","9","10","3","10","1") = "9"
    & skf18("4","1","9","10","4","1","1") = "9"
    & skf18("4","1","9","10","4","2","1") = "9"
    & skf18("4","1","9","10","4","3","1") = "9"
    & skf18("4","1","9","10","4","4","1") = "9"
    & skf18("4","1","9","10","4","5","1") = "9"
    & skf18("4","1","9","10","4","6","1") = "9"
    & skf18("4","1","9","10","4","7","1") = "9"
    & skf18("4","1","9","10","4","8","1") = "9"
    & skf18("4","1","9","10","4","9","1") = "9"
    & skf18("4","1","9","10","4","10","1") = "9"
    & skf18("4","1","9","10","5","1","1") = "9"
    & skf18("4","1","9","10","5","2","1") = "9"
    & skf18("4","1","9","10","5","3","1") = "9"
    & skf18("4","1","9","10","5","4","1") = "9"
    & skf18("4","1","9","10","5","5","1") = "9"
    & skf18("4","1","9","10","5","6","1") = "9"
    & skf18("4","1","9","10","5","7","1") = "9"
    & skf18("4","1","9","10","5","8","1") = "9"
    & skf18("4","1","9","10","5","9","1") = "9"
    & skf18("4","1","9","10","5","10","1") = "9"
    & skf18("4","1","9","10","6","1","1") = "9"
    & skf18("4","1","9","10","6","2","1") = "9"
    & skf18("4","1","9","10","6","3","1") = "9"
    & skf18("4","1","9","10","6","4","1") = "9"
    & skf18("4","1","9","10","6","5","1") = "9"
    & skf18("4","1","9","10","6","6","1") = "9"
    & skf18("4","1","9","10","6","7","1") = "9"
    & skf18("4","1","9","10","6","8","1") = "9"
    & skf18("4","1","9","10","6","9","1") = "9"
    & skf18("4","1","9","10","6","10","1") = "9"
    & skf18("4","1","9","10","7","1","1") = "9"
    & skf18("4","1","9","10","7","2","1") = "9"
    & skf18("4","1","9","10","7","3","1") = "9"
    & skf18("4","1","9","10","7","4","1") = "9"
    & skf18("4","1","9","10","7","5","1") = "9"
    & skf18("4","1","9","10","7","6","1") = "9"
    & skf18("4","1","9","10","7","7","1") = "9"
    & skf18("4","1","9","10","7","8","1") = "9"
    & skf18("4","1","9","10","7","9","1") = "9"
    & skf18("4","1","9","10","7","10","1") = "9"
    & skf18("4","1","9","10","8","1","1") = "9"
    & skf18("4","1","9","10","8","2","1") = "9"
    & skf18("4","1","9","10","8","3","1") = "9"
    & skf18("4","1","9","10","8","4","1") = "9"
    & skf18("4","1","9","10","8","5","1") = "9"
    & skf18("4","1","9","10","8","6","1") = "9"
    & skf18("4","1","9","10","8","7","1") = "9"
    & skf18("4","1","9","10","8","8","1") = "9"
    & skf18("4","1","9","10","8","9","1") = "9"
    & skf18("4","1","9","10","8","10","1") = "9"
    & skf18("4","1","9","10","9","1","1") = "9"
    & skf18("4","1","9","10","9","2","1") = "9"
    & skf18("4","1","9","10","9","3","1") = "9"
    & skf18("4","1","9","10","9","4","1") = "9"
    & skf18("4","1","9","10","9","5","1") = "9"
    & skf18("4","1","9","10","9","6","1") = "9"
    & skf18("4","1","9","10","9","7","1") = "9"
    & skf18("4","1","9","10","9","8","1") = "9"
    & skf18("4","1","9","10","9","9","1") = "9"
    & skf18("4","1","9","10","9","10","1") = "9"
    & skf18("4","1","9","10","10","1","1") = "9"
    & skf18("4","1","9","10","10","2","1") = "9"
    & skf18("4","1","9","10","10","3","1") = "9"
    & skf18("4","1","9","10","10","4","1") = "9"
    & skf18("4","1","9","10","10","5","1") = "9"
    & skf18("4","1","9","10","10","6","1") = "9"
    & skf18("4","1","9","10","10","7","1") = "9"
    & skf18("4","1","9","10","10","8","1") = "9"
    & skf18("4","1","9","10","10","9","1") = "9"
    & skf18("4","1","9","10","10","10","1") = "9"
    & skf18("4","1","10","1","1","1","1") = "9"
    & skf18("4","1","10","1","1","2","1") = "9"
    & skf18("4","1","10","1","1","3","1") = "9"
    & skf18("4","1","10","1","1","4","1") = "9"
    & skf18("4","1","10","1","1","5","1") = "9"
    & skf18("4","1","10","1","1","6","1") = "9"
    & skf18("4","1","10","1","1","7","1") = "9"
    & skf18("4","1","10","1","1","8","1") = "9"
    & skf18("4","1","10","1","1","9","1") = "9"
    & skf18("4","1","10","1","1","10","1") = "9"
    & skf18("4","1","10","1","2","1","1") = "9"
    & skf18("4","1","10","1","2","2","1") = "9"
    & skf18("4","1","10","1","2","3","1") = "9"
    & skf18("4","1","10","1","2","4","1") = "9"
    & skf18("4","1","10","1","2","5","1") = "9"
    & skf18("4","1","10","1","2","6","1") = "9"
    & skf18("4","1","10","1","2","7","1") = "9"
    & skf18("4","1","10","1","2","8","1") = "9"
    & skf18("4","1","10","1","2","9","1") = "9"
    & skf18("4","1","10","1","2","10","1") = "9"
    & skf18("4","1","10","1","3","1","1") = "9"
    & skf18("4","1","10","1","3","2","1") = "9"
    & skf18("4","1","10","1","3","3","1") = "9"
    & skf18("4","1","10","1","3","4","1") = "9"
    & skf18("4","1","10","1","3","5","1") = "9"
    & skf18("4","1","10","1","3","6","1") = "9"
    & skf18("4","1","10","1","3","7","1") = "9"
    & skf18("4","1","10","1","3","8","1") = "9"
    & skf18("4","1","10","1","3","9","1") = "9"
    & skf18("4","1","10","1","3","10","1") = "9"
    & skf18("4","1","10","1","4","1","1") = "9"
    & skf18("4","1","10","1","4","2","1") = "9"
    & skf18("4","1","10","1","4","3","1") = "9"
    & skf18("4","1","10","1","4","4","1") = "9"
    & skf18("4","1","10","1","4","5","1") = "9"
    & skf18("4","1","10","1","4","6","1") = "9"
    & skf18("4","1","10","1","4","7","1") = "9"
    & skf18("4","1","10","1","4","8","1") = "9"
    & skf18("4","1","10","1","4","9","1") = "9"
    & skf18("4","1","10","1","4","10","1") = "9"
    & skf18("4","1","10","1","5","1","1") = "9"
    & skf18("4","1","10","1","5","2","1") = "9"
    & skf18("4","1","10","1","5","3","1") = "9"
    & skf18("4","1","10","1","5","4","1") = "9"
    & skf18("4","1","10","1","5","5","1") = "9"
    & skf18("4","1","10","1","5","6","1") = "9"
    & skf18("4","1","10","1","5","7","1") = "9"
    & skf18("4","1","10","1","5","8","1") = "9"
    & skf18("4","1","10","1","5","9","1") = "9"
    & skf18("4","1","10","1","5","10","1") = "9"
    & skf18("4","1","10","1","6","1","1") = "9"
    & skf18("4","1","10","1","6","2","1") = "9"
    & skf18("4","1","10","1","6","3","1") = "9"
    & skf18("4","1","10","1","6","4","1") = "9"
    & skf18("4","1","10","1","6","5","1") = "9"
    & skf18("4","1","10","1","6","6","1") = "9"
    & skf18("4","1","10","1","6","7","1") = "9"
    & skf18("4","1","10","1","6","8","1") = "9"
    & skf18("4","1","10","1","6","9","1") = "9"
    & skf18("4","1","10","1","6","10","1") = "9"
    & skf18("4","1","10","1","7","1","1") = "9"
    & skf18("4","1","10","1","7","2","1") = "9"
    & skf18("4","1","10","1","7","3","1") = "9"
    & skf18("4","1","10","1","7","4","1") = "9"
    & skf18("4","1","10","1","7","5","1") = "9"
    & skf18("4","1","10","1","7","6","1") = "9"
    & skf18("4","1","10","1","7","7","1") = "9"
    & skf18("4","1","10","1","7","8","1") = "9"
    & skf18("4","1","10","1","7","9","1") = "9"
    & skf18("4","1","10","1","7","10","1") = "9"
    & skf18("4","1","10","1","8","1","1") = "9"
    & skf18("4","1","10","1","8","2","1") = "9"
    & skf18("4","1","10","1","8","3","1") = "9"
    & skf18("4","1","10","1","8","4","1") = "9"
    & skf18("4","1","10","1","8","5","1") = "9"
    & skf18("4","1","10","1","8","6","1") = "9"
    & skf18("4","1","10","1","8","7","1") = "9"
    & skf18("4","1","10","1","8","8","1") = "9"
    & skf18("4","1","10","1","8","9","1") = "9"
    & skf18("4","1","10","1","8","10","1") = "9"
    & skf18("4","1","10","1","9","1","1") = "9"
    & skf18("4","1","10","1","9","2","1") = "9"
    & skf18("4","1","10","1","9","3","1") = "9"
    & skf18("4","1","10","1","9","4","1") = "9"
    & skf18("4","1","10","1","9","5","1") = "9"
    & skf18("4","1","10","1","9","6","1") = "9"
    & skf18("4","1","10","1","9","7","1") = "9"
    & skf18("4","1","10","1","9","8","1") = "9"
    & skf18("4","1","10","1","9","9","1") = "9"
    & skf18("4","1","10","1","9","10","1") = "9"
    & skf18("4","1","10","1","10","1","1") = "9"
    & skf18("4","1","10","1","10","2","1") = "9"
    & skf18("4","1","10","1","10","3","1") = "9"
    & skf18("4","1","10","1","10","4","1") = "9"
    & skf18("4","1","10","1","10","5","1") = "9"
    & skf18("4","1","10","1","10","6","1") = "9"
    & skf18("4","1","10","1","10","7","1") = "9"
    & skf18("4","1","10","1","10","8","1") = "9"
    & skf18("4","1","10","1","10","9","1") = "9"
    & skf18("4","1","10","1","10","10","1") = "9"
    & skf18("4","1","10","2","1","1","1") = "9"
    & skf18("4","1","10","2","1","2","1") = "9"
    & skf18("4","1","10","2","1","3","1") = "9"
    & skf18("4","1","10","2","1","4","1") = "9"
    & skf18("4","1","10","2","1","5","1") = "9"
    & skf18("4","1","10","2","1","6","1") = "9"
    & skf18("4","1","10","2","1","7","1") = "9"
    & skf18("4","1","10","2","1","8","1") = "9"
    & skf18("4","1","10","2","1","9","1") = "9"
    & skf18("4","1","10","2","1","10","1") = "9"
    & skf18("4","1","10","2","2","1","1") = "9"
    & skf18("4","1","10","2","2","2","1") = "9"
    & skf18("4","1","10","2","2","3","1") = "9"
    & skf18("4","1","10","2","2","4","1") = "9"
    & skf18("4","1","10","2","2","5","1") = "9"
    & skf18("4","1","10","2","2","6","1") = "9"
    & skf18("4","1","10","2","2","7","1") = "9"
    & skf18("4","1","10","2","2","8","1") = "9"
    & skf18("4","1","10","2","2","9","1") = "9"
    & skf18("4","1","10","2","2","10","1") = "9"
    & skf18("4","1","10","2","3","1","1") = "9"
    & skf18("4","1","10","2","3","2","1") = "9"
    & skf18("4","1","10","2","3","3","1") = "9"
    & skf18("4","1","10","2","3","4","1") = "9"
    & skf18("4","1","10","2","3","5","1") = "9"
    & skf18("4","1","10","2","3","6","1") = "9"
    & skf18("4","1","10","2","3","7","1") = "9"
    & skf18("4","1","10","2","3","8","1") = "9"
    & skf18("4","1","10","2","3","9","1") = "9"
    & skf18("4","1","10","2","3","10","1") = "9"
    & skf18("4","1","10","2","4","1","1") = "9"
    & skf18("4","1","10","2","4","2","1") = "9"
    & skf18("4","1","10","2","4","3","1") = "9"
    & skf18("4","1","10","2","4","4","1") = "9"
    & skf18("4","1","10","2","4","5","1") = "9"
    & skf18("4","1","10","2","4","6","1") = "9"
    & skf18("4","1","10","2","4","7","1") = "9"
    & skf18("4","1","10","2","4","8","1") = "9"
    & skf18("4","1","10","2","4","9","1") = "9"
    & skf18("4","1","10","2","4","10","1") = "9"
    & skf18("4","1","10","2","5","1","1") = "9"
    & skf18("4","1","10","2","5","2","1") = "9"
    & skf18("4","1","10","2","5","3","1") = "9"
    & skf18("4","1","10","2","5","4","1") = "9"
    & skf18("4","1","10","2","5","5","1") = "9"
    & skf18("4","1","10","2","5","6","1") = "9"
    & skf18("4","1","10","2","5","7","1") = "9"
    & skf18("4","1","10","2","5","8","1") = "9"
    & skf18("4","1","10","2","5","9","1") = "9"
    & skf18("4","1","10","2","5","10","1") = "9"
    & skf18("4","1","10","2","6","1","1") = "9"
    & skf18("4","1","10","2","6","2","1") = "9"
    & skf18("4","1","10","2","6","3","1") = "9"
    & skf18("4","1","10","2","6","4","1") = "9"
    & skf18("4","1","10","2","6","5","1") = "9"
    & skf18("4","1","10","2","6","6","1") = "9"
    & skf18("4","1","10","2","6","7","1") = "9"
    & skf18("4","1","10","2","6","8","1") = "9"
    & skf18("4","1","10","2","6","9","1") = "9"
    & skf18("4","1","10","2","6","10","1") = "9"
    & skf18("4","1","10","2","7","1","1") = "9"
    & skf18("4","1","10","2","7","2","1") = "9"
    & skf18("4","1","10","2","7","3","1") = "9"
    & skf18("4","1","10","2","7","4","1") = "9"
    & skf18("4","1","10","2","7","5","1") = "9"
    & skf18("4","1","10","2","7","6","1") = "9"
    & skf18("4","1","10","2","7","7","1") = "9"
    & skf18("4","1","10","2","7","8","1") = "9"
    & skf18("4","1","10","2","7","9","1") = "9"
    & skf18("4","1","10","2","7","10","1") = "9"
    & skf18("4","1","10","2","8","1","1") = "9"
    & skf18("4","1","10","2","8","2","1") = "9"
    & skf18("4","1","10","2","8","3","1") = "9"
    & skf18("4","1","10","2","8","4","1") = "9"
    & skf18("4","1","10","2","8","5","1") = "9"
    & skf18("4","1","10","2","8","6","1") = "9"
    & skf18("4","1","10","2","8","7","1") = "9"
    & skf18("4","1","10","2","8","8","1") = "9"
    & skf18("4","1","10","2","8","9","1") = "9"
    & skf18("4","1","10","2","8","10","1") = "9"
    & skf18("4","1","10","2","9","1","1") = "9"
    & skf18("4","1","10","2","9","2","1") = "9"
    & skf18("4","1","10","2","9","3","1") = "9"
    & skf18("4","1","10","2","9","4","1") = "9"
    & skf18("4","1","10","2","9","5","1") = "9"
    & skf18("4","1","10","2","9","6","1") = "9"
    & skf18("4","1","10","2","9","7","1") = "9"
    & skf18("4","1","10","2","9","8","1") = "9"
    & skf18("4","1","10","2","9","9","1") = "9"
    & skf18("4","1","10","2","9","10","1") = "9"
    & skf18("4","1","10","2","10","1","1") = "9"
    & skf18("4","1","10","2","10","2","1") = "9"
    & skf18("4","1","10","2","10","3","1") = "9"
    & skf18("4","1","10","2","10","4","1") = "9"
    & skf18("4","1","10","2","10","5","1") = "9"
    & skf18("4","1","10","2","10","6","1") = "9"
    & skf18("4","1","10","2","10","7","1") = "9"
    & skf18("4","1","10","2","10","8","1") = "9"
    & skf18("4","1","10","2","10","9","1") = "9"
    & skf18("4","1","10","2","10","10","1") = "9"
    & skf18("4","1","10","3","1","1","1") = "9"
    & skf18("4","1","10","3","1","2","1") = "9"
    & skf18("4","1","10","3","1","3","1") = "9"
    & skf18("4","1","10","3","1","4","1") = "9"
    & skf18("4","1","10","3","1","5","1") = "9"
    & skf18("4","1","10","3","1","6","1") = "9"
    & skf18("4","1","10","3","1","7","1") = "9"
    & skf18("4","1","10","3","1","8","1") = "9"
    & skf18("4","1","10","3","1","9","1") = "9"
    & skf18("4","1","10","3","1","10","1") = "9"
    & skf18("4","1","10","3","2","1","1") = "9"
    & skf18("4","1","10","3","2","2","1") = "9"
    & skf18("4","1","10","3","2","3","1") = "9"
    & skf18("4","1","10","3","2","4","1") = "9"
    & skf18("4","1","10","3","2","5","1") = "9"
    & skf18("4","1","10","3","2","6","1") = "9"
    & skf18("4","1","10","3","2","7","1") = "9"
    & skf18("4","1","10","3","2","8","1") = "9"
    & skf18("4","1","10","3","2","9","1") = "9"
    & skf18("4","1","10","3","2","10","1") = "9"
    & skf18("4","1","10","3","3","1","1") = "9"
    & skf18("4","1","10","3","3","2","1") = "9"
    & skf18("4","1","10","3","3","3","1") = "9"
    & skf18("4","1","10","3","3","4","1") = "9"
    & skf18("4","1","10","3","3","5","1") = "9"
    & skf18("4","1","10","3","3","6","1") = "9"
    & skf18("4","1","10","3","3","7","1") = "9"
    & skf18("4","1","10","3","3","8","1") = "9"
    & skf18("4","1","10","3","3","9","1") = "9"
    & skf18("4","1","10","3","3","10","1") = "9"
    & skf18("4","1","10","3","4","1","1") = "9"
    & skf18("4","1","10","3","4","2","1") = "9"
    & skf18("4","1","10","3","4","3","1") = "9"
    & skf18("4","1","10","3","4","4","1") = "9"
    & skf18("4","1","10","3","4","5","1") = "9"
    & skf18("4","1","10","3","4","6","1") = "9"
    & skf18("4","1","10","3","4","7","1") = "9"
    & skf18("4","1","10","3","4","8","1") = "9"
    & skf18("4","1","10","3","4","9","1") = "9"
    & skf18("4","1","10","3","4","10","1") = "9"
    & skf18("4","1","10","3","5","1","1") = "9"
    & skf18("4","1","10","3","5","2","1") = "9"
    & skf18("4","1","10","3","5","3","1") = "9"
    & skf18("4","1","10","3","5","4","1") = "9"
    & skf18("4","1","10","3","5","5","1") = "9"
    & skf18("4","1","10","3","5","6","1") = "9"
    & skf18("4","1","10","3","5","7","1") = "9"
    & skf18("4","1","10","3","5","8","1") = "9"
    & skf18("4","1","10","3","5","9","1") = "9"
    & skf18("4","1","10","3","5","10","1") = "9"
    & skf18("4","1","10","3","6","1","1") = "9"
    & skf18("4","1","10","3","6","2","1") = "9"
    & skf18("4","1","10","3","6","3","1") = "9"
    & skf18("4","1","10","3","6","4","1") = "9"
    & skf18("4","1","10","3","6","5","1") = "9"
    & skf18("4","1","10","3","6","6","1") = "9"
    & skf18("4","1","10","3","6","7","1") = "9"
    & skf18("4","1","10","3","6","8","1") = "9"
    & skf18("4","1","10","3","6","9","1") = "9"
    & skf18("4","1","10","3","6","10","1") = "9"
    & skf18("4","1","10","3","7","1","1") = "9"
    & skf18("4","1","10","3","7","2","1") = "9"
    & skf18("4","1","10","3","7","3","1") = "9"
    & skf18("4","1","10","3","7","4","1") = "9"
    & skf18("4","1","10","3","7","5","1") = "9"
    & skf18("4","1","10","3","7","6","1") = "9"
    & skf18("4","1","10","3","7","7","1") = "9"
    & skf18("4","1","10","3","7","8","1") = "9"
    & skf18("4","1","10","3","7","9","1") = "9"
    & skf18("4","1","10","3","7","10","1") = "9"
    & skf18("4","1","10","3","8","1","1") = "9"
    & skf18("4","1","10","3","8","2","1") = "9"
    & skf18("4","1","10","3","8","3","1") = "9"
    & skf18("4","1","10","3","8","4","1") = "9"
    & skf18("4","1","10","3","8","5","1") = "9"
    & skf18("4","1","10","3","8","6","1") = "9"
    & skf18("4","1","10","3","8","7","1") = "9"
    & skf18("4","1","10","3","8","8","1") = "9"
    & skf18("4","1","10","3","8","9","1") = "9"
    & skf18("4","1","10","3","8","10","1") = "9"
    & skf18("4","1","10","3","9","1","1") = "9"
    & skf18("4","1","10","3","9","2","1") = "9"
    & skf18("4","1","10","3","9","3","1") = "9"
    & skf18("4","1","10","3","9","4","1") = "9"
    & skf18("4","1","10","3","9","5","1") = "9"
    & skf18("4","1","10","3","9","6","1") = "9"
    & skf18("4","1","10","3","9","7","1") = "9"
    & skf18("4","1","10","3","9","8","1") = "9"
    & skf18("4","1","10","3","9","9","1") = "9"
    & skf18("4","1","10","3","9","10","1") = "9"
    & skf18("4","1","10","3","10","1","1") = "9"
    & skf18("4","1","10","3","10","2","1") = "9"
    & skf18("4","1","10","3","10","3","1") = "9"
    & skf18("4","1","10","3","10","4","1") = "9"
    & skf18("4","1","10","3","10","5","1") = "9"
    & skf18("4","1","10","3","10","6","1") = "9"
    & skf18("4","1","10","3","10","7","1") = "9"
    & skf18("4","1","10","3","10","8","1") = "9"
    & skf18("4","1","10","3","10","9","1") = "9"
    & skf18("4","1","10","3","10","10","1") = "9"
    & skf18("4","1","10","4","1","1","1") = "9"
    & skf18("4","1","10","4","1","2","1") = "9"
    & skf18("4","1","10","4","1","3","1") = "9"
    & skf18("4","1","10","4","1","4","1") = "9"
    & skf18("4","1","10","4","1","5","1") = "9"
    & skf18("4","1","10","4","1","6","1") = "9"
    & skf18("4","1","10","4","1","7","1") = "9"
    & skf18("4","1","10","4","1","8","1") = "9"
    & skf18("4","1","10","4","1","9","1") = "9"
    & skf18("4","1","10","4","1","10","1") = "9"
    & skf18("4","1","10","4","2","1","1") = "9"
    & skf18("4","1","10","4","2","2","1") = "9"
    & skf18("4","1","10","4","2","3","1") = "9"
    & skf18("4","1","10","4","2","4","1") = "9"
    & skf18("4","1","10","4","2","5","1") = "9"
    & skf18("4","1","10","4","2","6","1") = "9"
    & skf18("4","1","10","4","2","7","1") = "9"
    & skf18("4","1","10","4","2","8","1") = "9"
    & skf18("4","1","10","4","2","9","1") = "9"
    & skf18("4","1","10","4","2","10","1") = "9"
    & skf18("4","1","10","4","3","1","1") = "9"
    & skf18("4","1","10","4","3","2","1") = "9"
    & skf18("4","1","10","4","3","3","1") = "9"
    & skf18("4","1","10","4","3","4","1") = "9"
    & skf18("4","1","10","4","3","5","1") = "9"
    & skf18("4","1","10","4","3","6","1") = "9"
    & skf18("4","1","10","4","3","7","1") = "9"
    & skf18("4","1","10","4","3","8","1") = "9"
    & skf18("4","1","10","4","3","9","1") = "9"
    & skf18("4","1","10","4","3","10","1") = "9"
    & skf18("4","1","10","4","4","1","1") = "9"
    & skf18("4","1","10","4","4","2","1") = "9"
    & skf18("4","1","10","4","4","3","1") = "9"
    & skf18("4","1","10","4","4","4","1") = "9"
    & skf18("4","1","10","4","4","5","1") = "9"
    & skf18("4","1","10","4","4","6","1") = "9"
    & skf18("4","1","10","4","4","7","1") = "9"
    & skf18("4","1","10","4","4","8","1") = "9"
    & skf18("4","1","10","4","4","9","1") = "9"
    & skf18("4","1","10","4","4","10","1") = "9"
    & skf18("4","1","10","4","5","1","1") = "9"
    & skf18("4","1","10","4","5","2","1") = "9"
    & skf18("4","1","10","4","5","3","1") = "9"
    & skf18("4","1","10","4","5","4","1") = "9"
    & skf18("4","1","10","4","5","5","1") = "9"
    & skf18("4","1","10","4","5","6","1") = "9"
    & skf18("4","1","10","4","5","7","1") = "9"
    & skf18("4","1","10","4","5","8","1") = "9"
    & skf18("4","1","10","4","5","9","1") = "9"
    & skf18("4","1","10","4","5","10","1") = "9"
    & skf18("4","1","10","4","6","1","1") = "9"
    & skf18("4","1","10","4","6","2","1") = "9"
    & skf18("4","1","10","4","6","3","1") = "9"
    & skf18("4","1","10","4","6","4","1") = "9"
    & skf18("4","1","10","4","6","5","1") = "9"
    & skf18("4","1","10","4","6","6","1") = "9"
    & skf18("4","1","10","4","6","7","1") = "9"
    & skf18("4","1","10","4","6","8","1") = "9"
    & skf18("4","1","10","4","6","9","1") = "9"
    & skf18("4","1","10","4","6","10","1") = "9"
    & skf18("4","1","10","4","7","1","1") = "9"
    & skf18("4","1","10","4","7","2","1") = "9"
    & skf18("4","1","10","4","7","3","1") = "9"
    & skf18("4","1","10","4","7","4","1") = "9"
    & skf18("4","1","10","4","7","5","1") = "9"
    & skf18("4","1","10","4","7","6","1") = "9"
    & skf18("4","1","10","4","7","7","1") = "9"
    & skf18("4","1","10","4","7","8","1") = "9"
    & skf18("4","1","10","4","7","9","1") = "9"
    & skf18("4","1","10","4","7","10","1") = "9"
    & skf18("4","1","10","4","8","1","1") = "9"
    & skf18("4","1","10","4","8","2","1") = "9"
    & skf18("4","1","10","4","8","3","1") = "9"
    & skf18("4","1","10","4","8","4","1") = "9"
    & skf18("4","1","10","4","8","5","1") = "9"
    & skf18("4","1","10","4","8","6","1") = "9"
    & skf18("4","1","10","4","8","7","1") = "9"
    & skf18("4","1","10","4","8","8","1") = "9"
    & skf18("4","1","10","4","8","9","1") = "9"
    & skf18("4","1","10","4","8","10","1") = "9"
    & skf18("4","1","10","4","9","1","1") = "9"
    & skf18("4","1","10","4","9","2","1") = "9"
    & skf18("4","1","10","4","9","3","1") = "9"
    & skf18("4","1","10","4","9","4","1") = "9"
    & skf18("4","1","10","4","9","5","1") = "9"
    & skf18("4","1","10","4","9","6","1") = "9"
    & skf18("4","1","10","4","9","7","1") = "9"
    & skf18("4","1","10","4","9","8","1") = "9"
    & skf18("4","1","10","4","9","9","1") = "9"
    & skf18("4","1","10","4","9","10","1") = "9"
    & skf18("4","1","10","4","10","1","1") = "9"
    & skf18("4","1","10","4","10","2","1") = "9"
    & skf18("4","1","10","4","10","3","1") = "9"
    & skf18("4","1","10","4","10","4","1") = "9"
    & skf18("4","1","10","4","10","5","1") = "9"
    & skf18("4","1","10","4","10","6","1") = "9"
    & skf18("4","1","10","4","10","7","1") = "9"
    & skf18("4","1","10","4","10","8","1") = "9"
    & skf18("4","1","10","4","10","9","1") = "9"
    & skf18("4","1","10","4","10","10","1") = "9"
    & skf18("4","1","10","5","1","1","1") = "9"
    & skf18("4","1","10","5","1","2","1") = "9"
    & skf18("4","1","10","5","1","3","1") = "9"
    & skf18("4","1","10","5","1","4","1") = "9"
    & skf18("4","1","10","5","1","5","1") = "9"
    & skf18("4","1","10","5","1","6","1") = "9"
    & skf18("4","1","10","5","1","7","1") = "9"
    & skf18("4","1","10","5","1","8","1") = "9"
    & skf18("4","1","10","5","1","9","1") = "9"
    & skf18("4","1","10","5","1","10","1") = "9"
    & skf18("4","1","10","5","2","1","1") = "9"
    & skf18("4","1","10","5","2","2","1") = "9"
    & skf18("4","1","10","5","2","3","1") = "9"
    & skf18("4","1","10","5","2","4","1") = "9"
    & skf18("4","1","10","5","2","5","1") = "9"
    & skf18("4","1","10","5","2","6","1") = "9"
    & skf18("4","1","10","5","2","7","1") = "9"
    & skf18("4","1","10","5","2","8","1") = "9"
    & skf18("4","1","10","5","2","9","1") = "9"
    & skf18("4","1","10","5","2","10","1") = "9"
    & skf18("4","1","10","5","3","1","1") = "9"
    & skf18("4","1","10","5","3","2","1") = "9"
    & skf18("4","1","10","5","3","3","1") = "9"
    & skf18("4","1","10","5","3","4","1") = "9"
    & skf18("4","1","10","5","3","5","1") = "9"
    & skf18("4","1","10","5","3","6","1") = "9"
    & skf18("4","1","10","5","3","7","1") = "9"
    & skf18("4","1","10","5","3","8","1") = "9"
    & skf18("4","1","10","5","3","9","1") = "9"
    & skf18("4","1","10","5","3","10","1") = "9"
    & skf18("4","1","10","5","4","1","1") = "9"
    & skf18("4","1","10","5","4","2","1") = "9"
    & skf18("4","1","10","5","4","3","1") = "9"
    & skf18("4","1","10","5","4","4","1") = "9"
    & skf18("4","1","10","5","4","5","1") = "9"
    & skf18("4","1","10","5","4","6","1") = "9"
    & skf18("4","1","10","5","4","7","1") = "9"
    & skf18("4","1","10","5","4","8","1") = "9"
    & skf18("4","1","10","5","4","9","1") = "9"
    & skf18("4","1","10","5","4","10","1") = "9"
    & skf18("4","1","10","5","5","1","1") = "9"
    & skf18("4","1","10","5","5","2","1") = "9"
    & skf18("4","1","10","5","5","3","1") = "9"
    & skf18("4","1","10","5","5","4","1") = "9"
    & skf18("4","1","10","5","5","5","1") = "9"
    & skf18("4","1","10","5","5","6","1") = "9"
    & skf18("4","1","10","5","5","7","1") = "9"
    & skf18("4","1","10","5","5","8","1") = "9"
    & skf18("4","1","10","5","5","9","1") = "9"
    & skf18("4","1","10","5","5","10","1") = "9"
    & skf18("4","1","10","5","6","1","1") = "9"
    & skf18("4","1","10","5","6","2","1") = "9"
    & skf18("4","1","10","5","6","3","1") = "9"
    & skf18("4","1","10","5","6","4","1") = "9"
    & skf18("4","1","10","5","6","5","1") = "9"
    & skf18("4","1","10","5","6","6","1") = "9"
    & skf18("4","1","10","5","6","7","1") = "9"
    & skf18("4","1","10","5","6","8","1") = "9"
    & skf18("4","1","10","5","6","9","1") = "9"
    & skf18("4","1","10","5","6","10","1") = "9"
    & skf18("4","1","10","5","7","1","1") = "9"
    & skf18("4","1","10","5","7","2","1") = "9"
    & skf18("4","1","10","5","7","3","1") = "9"
    & skf18("4","1","10","5","7","4","1") = "9"
    & skf18("4","1","10","5","7","5","1") = "9"
    & skf18("4","1","10","5","7","6","1") = "9"
    & skf18("4","1","10","5","7","7","1") = "9"
    & skf18("4","1","10","5","7","8","1") = "9"
    & skf18("4","1","10","5","7","9","1") = "9"
    & skf18("4","1","10","5","7","10","1") = "9"
    & skf18("4","1","10","5","8","1","1") = "9"
    & skf18("4","1","10","5","8","2","1") = "9"
    & skf18("4","1","10","5","8","3","1") = "9"
    & skf18("4","1","10","5","8","4","1") = "9"
    & skf18("4","1","10","5","8","5","1") = "9"
    & skf18("4","1","10","5","8","6","1") = "9"
    & skf18("4","1","10","5","8","7","1") = "9"
    & skf18("4","1","10","5","8","8","1") = "9"
    & skf18("4","1","10","5","8","9","1") = "9"
    & skf18("4","1","10","5","8","10","1") = "9"
    & skf18("4","1","10","5","9","1","1") = "9"
    & skf18("4","1","10","5","9","2","1") = "9"
    & skf18("4","1","10","5","9","3","1") = "9"
    & skf18("4","1","10","5","9","4","1") = "9"
    & skf18("4","1","10","5","9","5","1") = "9"
    & skf18("4","1","10","5","9","6","1") = "9"
    & skf18("4","1","10","5","9","7","1") = "9"
    & skf18("4","1","10","5","9","8","1") = "9"
    & skf18("4","1","10","5","9","9","1") = "9"
    & skf18("4","1","10","5","9","10","1") = "9"
    & skf18("4","1","10","5","10","1","1") = "9"
    & skf18("4","1","10","5","10","2","1") = "9"
    & skf18("4","1","10","5","10","3","1") = "9"
    & skf18("4","1","10","5","10","4","1") = "9"
    & skf18("4","1","10","5","10","5","1") = "9"
    & skf18("4","1","10","5","10","6","1") = "9"
    & skf18("4","1","10","5","10","7","1") = "9"
    & skf18("4","1","10","5","10","8","1") = "9"
    & skf18("4","1","10","5","10","9","1") = "9"
    & skf18("4","1","10","5","10","10","1") = "9"
    & skf18("4","1","10","6","1","1","1") = "9"
    & skf18("4","1","10","6","1","2","1") = "9"
    & skf18("4","1","10","6","1","3","1") = "9"
    & skf18("4","1","10","6","1","4","1") = "9"
    & skf18("4","1","10","6","1","5","1") = "9"
    & skf18("4","1","10","6","1","6","1") = "9"
    & skf18("4","1","10","6","1","7","1") = "9"
    & skf18("4","1","10","6","1","8","1") = "9"
    & skf18("4","1","10","6","1","9","1") = "9"
    & skf18("4","1","10","6","1","10","1") = "9"
    & skf18("4","1","10","6","2","1","1") = "9"
    & skf18("4","1","10","6","2","2","1") = "9"
    & skf18("4","1","10","6","2","3","1") = "9"
    & skf18("4","1","10","6","2","4","1") = "9"
    & skf18("4","1","10","6","2","5","1") = "9"
    & skf18("4","1","10","6","2","6","1") = "9"
    & skf18("4","1","10","6","2","7","1") = "9"
    & skf18("4","1","10","6","2","8","1") = "9"
    & skf18("4","1","10","6","2","9","1") = "9"
    & skf18("4","1","10","6","2","10","1") = "9"
    & skf18("4","1","10","6","3","1","1") = "9"
    & skf18("4","1","10","6","3","2","1") = "9"
    & skf18("4","1","10","6","3","3","1") = "9"
    & skf18("4","1","10","6","3","4","1") = "9"
    & skf18("4","1","10","6","3","5","1") = "9"
    & skf18("4","1","10","6","3","6","1") = "9"
    & skf18("4","1","10","6","3","7","1") = "9"
    & skf18("4","1","10","6","3","8","1") = "9"
    & skf18("4","1","10","6","3","9","1") = "9"
    & skf18("4","1","10","6","3","10","1") = "9"
    & skf18("4","1","10","6","4","1","1") = "9"
    & skf18("4","1","10","6","4","2","1") = "9"
    & skf18("4","1","10","6","4","3","1") = "9"
    & skf18("4","1","10","6","4","4","1") = "9"
    & skf18("4","1","10","6","4","5","1") = "9"
    & skf18("4","1","10","6","4","6","1") = "9"
    & skf18("4","1","10","6","4","7","1") = "9"
    & skf18("4","1","10","6","4","8","1") = "9"
    & skf18("4","1","10","6","4","9","1") = "9"
    & skf18("4","1","10","6","4","10","1") = "9"
    & skf18("4","1","10","6","5","1","1") = "9"
    & skf18("4","1","10","6","5","2","1") = "9"
    & skf18("4","1","10","6","5","3","1") = "9"
    & skf18("4","1","10","6","5","4","1") = "9"
    & skf18("4","1","10","6","5","5","1") = "9"
    & skf18("4","1","10","6","5","6","1") = "9"
    & skf18("4","1","10","6","5","7","1") = "9"
    & skf18("4","1","10","6","5","8","1") = "9"
    & skf18("4","1","10","6","5","9","1") = "9"
    & skf18("4","1","10","6","5","10","1") = "9"
    & skf18("4","1","10","6","6","1","1") = "9"
    & skf18("4","1","10","6","6","2","1") = "9"
    & skf18("4","1","10","6","6","3","1") = "9"
    & skf18("4","1","10","6","6","4","1") = "9"
    & skf18("4","1","10","6","6","5","1") = "9"
    & skf18("4","1","10","6","6","6","1") = "9"
    & skf18("4","1","10","6","6","7","1") = "9"
    & skf18("4","1","10","6","6","8","1") = "9"
    & skf18("4","1","10","6","6","9","1") = "9"
    & skf18("4","1","10","6","6","10","1") = "9"
    & skf18("4","1","10","6","7","1","1") = "9"
    & skf18("4","1","10","6","7","2","1") = "9"
    & skf18("4","1","10","6","7","3","1") = "9"
    & skf18("4","1","10","6","7","4","1") = "9"
    & skf18("4","1","10","6","7","5","1") = "9"
    & skf18("4","1","10","6","7","6","1") = "9"
    & skf18("4","1","10","6","7","7","1") = "9"
    & skf18("4","1","10","6","7","8","1") = "9"
    & skf18("4","1","10","6","7","9","1") = "9"
    & skf18("4","1","10","6","7","10","1") = "9"
    & skf18("4","1","10","6","8","1","1") = "9"
    & skf18("4","1","10","6","8","2","1") = "9"
    & skf18("4","1","10","6","8","3","1") = "9"
    & skf18("4","1","10","6","8","4","1") = "9"
    & skf18("4","1","10","6","8","5","1") = "9"
    & skf18("4","1","10","6","8","6","1") = "9"
    & skf18("4","1","10","6","8","7","1") = "9"
    & skf18("4","1","10","6","8","8","1") = "9"
    & skf18("4","1","10","6","8","9","1") = "9"
    & skf18("4","1","10","6","8","10","1") = "9"
    & skf18("4","1","10","6","9","1","1") = "9"
    & skf18("4","1","10","6","9","2","1") = "9"
    & skf18("4","1","10","6","9","3","1") = "9"
    & skf18("4","1","10","6","9","4","1") = "9"
    & skf18("4","1","10","6","9","5","1") = "9"
    & skf18("4","1","10","6","9","6","1") = "9"
    & skf18("4","1","10","6","9","7","1") = "9"
    & skf18("4","1","10","6","9","8","1") = "9"
    & skf18("4","1","10","6","9","9","1") = "9"
    & skf18("4","1","10","6","9","10","1") = "9"
    & skf18("4","1","10","6","10","1","1") = "9"
    & skf18("4","1","10","6","10","2","1") = "9"
    & skf18("4","1","10","6","10","3","1") = "9"
    & skf18("4","1","10","6","10","4","1") = "9"
    & skf18("4","1","10","6","10","5","1") = "9"
    & skf18("4","1","10","6","10","6","1") = "9"
    & skf18("4","1","10","6","10","7","1") = "9"
    & skf18("4","1","10","6","10","8","1") = "9"
    & skf18("4","1","10","6","10","9","1") = "9"
    & skf18("4","1","10","6","10","10","1") = "9"
    & skf18("4","1","10","7","1","1","1") = "9"
    & skf18("4","1","10","7","1","2","1") = "9"
    & skf18("4","1","10","7","1","3","1") = "9"
    & skf18("4","1","10","7","1","4","1") = "9"
    & skf18("4","1","10","7","1","5","1") = "9"
    & skf18("4","1","10","7","1","6","1") = "9"
    & skf18("4","1","10","7","1","7","1") = "9"
    & skf18("4","1","10","7","1","8","1") = "9"
    & skf18("4","1","10","7","1","9","1") = "9"
    & skf18("4","1","10","7","1","10","1") = "9"
    & skf18("4","1","10","7","2","1","1") = "9"
    & skf18("4","1","10","7","2","2","1") = "9"
    & skf18("4","1","10","7","2","3","1") = "9"
    & skf18("4","1","10","7","2","4","1") = "9"
    & skf18("4","1","10","7","2","5","1") = "9"
    & skf18("4","1","10","7","2","6","1") = "9"
    & skf18("4","1","10","7","2","7","1") = "9"
    & skf18("4","1","10","7","2","8","1") = "9"
    & skf18("4","1","10","7","2","9","1") = "9"
    & skf18("4","1","10","7","2","10","1") = "9"
    & skf18("4","1","10","7","3","1","1") = "9"
    & skf18("4","1","10","7","3","2","1") = "9"
    & skf18("4","1","10","7","3","3","1") = "9"
    & skf18("4","1","10","7","3","4","1") = "9"
    & skf18("4","1","10","7","3","5","1") = "9"
    & skf18("4","1","10","7","3","6","1") = "9"
    & skf18("4","1","10","7","3","7","1") = "9"
    & skf18("4","1","10","7","3","8","1") = "9"
    & skf18("4","1","10","7","3","9","1") = "9"
    & skf18("4","1","10","7","3","10","1") = "9"
    & skf18("4","1","10","7","4","1","1") = "9"
    & skf18("4","1","10","7","4","2","1") = "9"
    & skf18("4","1","10","7","4","3","1") = "9"
    & skf18("4","1","10","7","4","4","1") = "9"
    & skf18("4","1","10","7","4","5","1") = "9"
    & skf18("4","1","10","7","4","6","1") = "9"
    & skf18("4","1","10","7","4","7","1") = "9"
    & skf18("4","1","10","7","4","8","1") = "9"
    & skf18("4","1","10","7","4","9","1") = "9"
    & skf18("4","1","10","7","4","10","1") = "9"
    & skf18("4","1","10","7","5","1","1") = "9"
    & skf18("4","1","10","7","5","2","1") = "9"
    & skf18("4","1","10","7","5","3","1") = "9"
    & skf18("4","1","10","7","5","4","1") = "9"
    & skf18("4","1","10","7","5","5","1") = "9"
    & skf18("4","1","10","7","5","6","1") = "9"
    & skf18("4","1","10","7","5","7","1") = "9"
    & skf18("4","1","10","7","5","8","1") = "9"
    & skf18("4","1","10","7","5","9","1") = "9"
    & skf18("4","1","10","7","5","10","1") = "9"
    & skf18("4","1","10","7","6","1","1") = "9"
    & skf18("4","1","10","7","6","2","1") = "9"
    & skf18("4","1","10","7","6","3","1") = "9"
    & skf18("4","1","10","7","6","4","1") = "9"
    & skf18("4","1","10","7","6","5","1") = "9"
    & skf18("4","1","10","7","6","6","1") = "9"
    & skf18("4","1","10","7","6","7","1") = "9"
    & skf18("4","1","10","7","6","8","1") = "9"
    & skf18("4","1","10","7","6","9","1") = "9"
    & skf18("4","1","10","7","6","10","1") = "9"
    & skf18("4","1","10","7","7","1","1") = "9"
    & skf18("4","1","10","7","7","2","1") = "9"
    & skf18("4","1","10","7","7","3","1") = "9"
    & skf18("4","1","10","7","7","4","1") = "9"
    & skf18("4","1","10","7","7","5","1") = "9"
    & skf18("4","1","10","7","7","6","1") = "9"
    & skf18("4","1","10","7","7","7","1") = "9"
    & skf18("4","1","10","7","7","8","1") = "9"
    & skf18("4","1","10","7","7","9","1") = "9"
    & skf18("4","1","10","7","7","10","1") = "9"
    & skf18("4","1","10","7","8","1","1") = "9"
    & skf18("4","1","10","7","8","2","1") = "9"
    & skf18("4","1","10","7","8","3","1") = "9"
    & skf18("4","1","10","7","8","4","1") = "9"
    & skf18("4","1","10","7","8","5","1") = "9"
    & skf18("4","1","10","7","8","6","1") = "9"
    & skf18("4","1","10","7","8","7","1") = "9"
    & skf18("4","1","10","7","8","8","1") = "9"
    & skf18("4","1","10","7","8","9","1") = "9"
    & skf18("4","1","10","7","8","10","1") = "9"
    & skf18("4","1","10","7","9","1","1") = "9"
    & skf18("4","1","10","7","9","2","1") = "9"
    & skf18("4","1","10","7","9","3","1") = "9"
    & skf18("4","1","10","7","9","4","1") = "9"
    & skf18("4","1","10","7","9","5","1") = "9"
    & skf18("4","1","10","7","9","6","1") = "9"
    & skf18("4","1","10","7","9","7","1") = "9"
    & skf18("4","1","10","7","9","8","1") = "9"
    & skf18("4","1","10","7","9","9","1") = "9"
    & skf18("4","1","10","7","9","10","1") = "9"
    & skf18("4","1","10","7","10","1","1") = "9"
    & skf18("4","1","10","7","10","2","1") = "9"
    & skf18("4","1","10","7","10","3","1") = "9"
    & skf18("4","1","10","7","10","4","1") = "9"
    & skf18("4","1","10","7","10","5","1") = "9"
    & skf18("4","1","10","7","10","6","1") = "9"
    & skf18("4","1","10","7","10","7","1") = "9"
    & skf18("4","1","10","7","10","8","1") = "9"
    & skf18("4","1","10","7","10","9","1") = "9"
    & skf18("4","1","10","7","10","10","1") = "9"
    & skf18("4","1","10","8","1","1","1") = "9"
    & skf18("4","1","10","8","1","2","1") = "9"
    & skf18("4","1","10","8","1","3","1") = "9"
    & skf18("4","1","10","8","1","4","1") = "9"
    & skf18("4","1","10","8","1","5","1") = "9"
    & skf18("4","1","10","8","1","6","1") = "9"
    & skf18("4","1","10","8","1","7","1") = "9"
    & skf18("4","1","10","8","1","8","1") = "9"
    & skf18("4","1","10","8","1","9","1") = "9"
    & skf18("4","1","10","8","1","10","1") = "9"
    & skf18("4","1","10","8","2","1","1") = "9"
    & skf18("4","1","10","8","2","2","1") = "9"
    & skf18("4","1","10","8","2","3","1") = "9"
    & skf18("4","1","10","8","2","4","1") = "9"
    & skf18("4","1","10","8","2","5","1") = "9"
    & skf18("4","1","10","8","2","6","1") = "9"
    & skf18("4","1","10","8","2","7","1") = "9"
    & skf18("4","1","10","8","2","8","1") = "9"
    & skf18("4","1","10","8","2","9","1") = "9"
    & skf18("4","1","10","8","2","10","1") = "9"
    & skf18("4","1","10","8","3","1","1") = "9"
    & skf18("4","1","10","8","3","2","1") = "9"
    & skf18("4","1","10","8","3","3","1") = "9"
    & skf18("4","1","10","8","3","4","1") = "9"
    & skf18("4","1","10","8","3","5","1") = "9"
    & skf18("4","1","10","8","3","6","1") = "9"
    & skf18("4","1","10","8","3","7","1") = "9"
    & skf18("4","1","10","8","3","8","1") = "9"
    & skf18("4","1","10","8","3","9","1") = "9"
    & skf18("4","1","10","8","3","10","1") = "9"
    & skf18("4","1","10","8","4","1","1") = "9"
    & skf18("4","1","10","8","4","2","1") = "9"
    & skf18("4","1","10","8","4","3","1") = "9"
    & skf18("4","1","10","8","4","4","1") = "9"
    & skf18("4","1","10","8","4","5","1") = "9"
    & skf18("4","1","10","8","4","6","1") = "9"
    & skf18("4","1","10","8","4","7","1") = "9"
    & skf18("4","1","10","8","4","8","1") = "9"
    & skf18("4","1","10","8","4","9","1") = "9"
    & skf18("4","1","10","8","4","10","1") = "9"
    & skf18("4","1","10","8","5","1","1") = "9"
    & skf18("4","1","10","8","5","2","1") = "9"
    & skf18("4","1","10","8","5","3","1") = "9"
    & skf18("4","1","10","8","5","4","1") = "9"
    & skf18("4","1","10","8","5","5","1") = "9"
    & skf18("4","1","10","8","5","6","1") = "9"
    & skf18("4","1","10","8","5","7","1") = "9"
    & skf18("4","1","10","8","5","8","1") = "9"
    & skf18("4","1","10","8","5","9","1") = "9"
    & skf18("4","1","10","8","5","10","1") = "9"
    & skf18("4","1","10","8","6","1","1") = "9"
    & skf18("4","1","10","8","6","2","1") = "9"
    & skf18("4","1","10","8","6","3","1") = "9"
    & skf18("4","1","10","8","6","4","1") = "9"
    & skf18("4","1","10","8","6","5","1") = "9"
    & skf18("4","1","10","8","6","6","1") = "9"
    & skf18("4","1","10","8","6","7","1") = "9"
    & skf18("4","1","10","8","6","8","1") = "9"
    & skf18("4","1","10","8","6","9","1") = "9"
    & skf18("4","1","10","8","6","10","1") = "9"
    & skf18("4","1","10","8","7","1","1") = "9"
    & skf18("4","1","10","8","7","2","1") = "9"
    & skf18("4","1","10","8","7","3","1") = "9"
    & skf18("4","1","10","8","7","4","1") = "9"
    & skf18("4","1","10","8","7","5","1") = "9"
    & skf18("4","1","10","8","7","6","1") = "9"
    & skf18("4","1","10","8","7","7","1") = "9"
    & skf18("4","1","10","8","7","8","1") = "9"
    & skf18("4","1","10","8","7","9","1") = "9"
    & skf18("4","1","10","8","7","10","1") = "9"
    & skf18("4","1","10","8","8","1","1") = "9"
    & skf18("4","1","10","8","8","2","1") = "9"
    & skf18("4","1","10","8","8","3","1") = "9"
    & skf18("4","1","10","8","8","4","1") = "9"
    & skf18("4","1","10","8","8","5","1") = "9"
    & skf18("4","1","10","8","8","6","1") = "9"
    & skf18("4","1","10","8","8","7","1") = "9"
    & skf18("4","1","10","8","8","8","1") = "9"
    & skf18("4","1","10","8","8","9","1") = "9"
    & skf18("4","1","10","8","8","10","1") = "9"
    & skf18("4","1","10","8","9","1","1") = "9"
    & skf18("4","1","10","8","9","2","1") = "9"
    & skf18("4","1","10","8","9","3","1") = "9"
    & skf18("4","1","10","8","9","4","1") = "9"
    & skf18("4","1","10","8","9","5","1") = "9"
    & skf18("4","1","10","8","9","6","1") = "9"
    & skf18("4","1","10","8","9","7","1") = "9"
    & skf18("4","1","10","8","9","8","1") = "9"
    & skf18("4","1","10","8","9","9","1") = "9"
    & skf18("4","1","10","8","9","10","1") = "9"
    & skf18("4","1","10","8","10","1","1") = "9"
    & skf18("4","1","10","8","10","2","1") = "9"
    & skf18("4","1","10","8","10","3","1") = "9"
    & skf18("4","1","10","8","10","4","1") = "9"
    & skf18("4","1","10","8","10","5","1") = "9"
    & skf18("4","1","10","8","10","6","1") = "9"
    & skf18("4","1","10","8","10","7","1") = "9"
    & skf18("4","1","10","8","10","8","1") = "9"
    & skf18("4","1","10","8","10","9","1") = "9"
    & skf18("4","1","10","8","10","10","1") = "9"
    & skf18("4","1","10","9","1","1","1") = "9"
    & skf18("4","1","10","9","1","2","1") = "9"
    & skf18("4","1","10","9","1","3","1") = "9"
    & skf18("4","1","10","9","1","4","1") = "9"
    & skf18("4","1","10","9","1","5","1") = "9"
    & skf18("4","1","10","9","1","6","1") = "9"
    & skf18("4","1","10","9","1","7","1") = "9"
    & skf18("4","1","10","9","1","8","1") = "9"
    & skf18("4","1","10","9","1","9","1") = "9"
    & skf18("4","1","10","9","1","10","1") = "9"
    & skf18("4","1","10","9","2","1","1") = "9"
    & skf18("4","1","10","9","2","2","1") = "9"
    & skf18("4","1","10","9","2","3","1") = "9"
    & skf18("4","1","10","9","2","4","1") = "9"
    & skf18("4","1","10","9","2","5","1") = "9"
    & skf18("4","1","10","9","2","6","1") = "9"
    & skf18("4","1","10","9","2","7","1") = "9"
    & skf18("4","1","10","9","2","8","1") = "9"
    & skf18("4","1","10","9","2","9","1") = "9"
    & skf18("4","1","10","9","2","10","1") = "9"
    & skf18("4","1","10","9","3","1","1") = "9"
    & skf18("4","1","10","9","3","2","1") = "9"
    & skf18("4","1","10","9","3","3","1") = "9"
    & skf18("4","1","10","9","3","4","1") = "9"
    & skf18("4","1","10","9","3","5","1") = "9"
    & skf18("4","1","10","9","3","6","1") = "9"
    & skf18("4","1","10","9","3","7","1") = "9"
    & skf18("4","1","10","9","3","8","1") = "9"
    & skf18("4","1","10","9","3","9","1") = "9"
    & skf18("4","1","10","9","3","10","1") = "9"
    & skf18("4","1","10","9","4","1","1") = "9"
    & skf18("4","1","10","9","4","2","1") = "9"
    & skf18("4","1","10","9","4","3","1") = "9"
    & skf18("4","1","10","9","4","4","1") = "9"
    & skf18("4","1","10","9","4","5","1") = "9"
    & skf18("4","1","10","9","4","6","1") = "9"
    & skf18("4","1","10","9","4","7","1") = "9"
    & skf18("4","1","10","9","4","8","1") = "9"
    & skf18("4","1","10","9","4","9","1") = "9"
    & skf18("4","1","10","9","4","10","1") = "9"
    & skf18("4","1","10","9","5","1","1") = "9"
    & skf18("4","1","10","9","5","2","1") = "9"
    & skf18("4","1","10","9","5","3","1") = "9"
    & skf18("4","1","10","9","5","4","1") = "9"
    & skf18("4","1","10","9","5","5","1") = "9"
    & skf18("4","1","10","9","5","6","1") = "9"
    & skf18("4","1","10","9","5","7","1") = "9"
    & skf18("4","1","10","9","5","8","1") = "9"
    & skf18("4","1","10","9","5","9","1") = "9"
    & skf18("4","1","10","9","5","10","1") = "9"
    & skf18("4","1","10","9","6","1","1") = "9"
    & skf18("4","1","10","9","6","2","1") = "9"
    & skf18("4","1","10","9","6","3","1") = "9"
    & skf18("4","1","10","9","6","4","1") = "9"
    & skf18("4","1","10","9","6","5","1") = "9"
    & skf18("4","1","10","9","6","6","1") = "9"
    & skf18("4","1","10","9","6","7","1") = "9"
    & skf18("4","1","10","9","6","8","1") = "9"
    & skf18("4","1","10","9","6","9","1") = "9"
    & skf18("4","1","10","9","6","10","1") = "9"
    & skf18("4","1","10","9","7","1","1") = "9"
    & skf18("4","1","10","9","7","2","1") = "9"
    & skf18("4","1","10","9","7","3","1") = "9"
    & skf18("4","1","10","9","7","4","1") = "9"
    & skf18("4","1","10","9","7","5","1") = "9"
    & skf18("4","1","10","9","7","6","1") = "9"
    & skf18("4","1","10","9","7","7","1") = "9"
    & skf18("4","1","10","9","7","8","1") = "9"
    & skf18("4","1","10","9","7","9","1") = "9"
    & skf18("4","1","10","9","7","10","1") = "9"
    & skf18("4","1","10","9","8","1","1") = "9"
    & skf18("4","1","10","9","8","2","1") = "9"
    & skf18("4","1","10","9","8","3","1") = "9"
    & skf18("4","1","10","9","8","4","1") = "9"
    & skf18("4","1","10","9","8","5","1") = "9"
    & skf18("4","1","10","9","8","6","1") = "9"
    & skf18("4","1","10","9","8","7","1") = "9"
    & skf18("4","1","10","9","8","8","1") = "9"
    & skf18("4","1","10","9","8","9","1") = "9"
    & skf18("4","1","10","9","8","10","1") = "9"
    & skf18("4","1","10","9","9","1","1") = "9"
    & skf18("4","1","10","9","9","2","1") = "9"
    & skf18("4","1","10","9","9","3","1") = "9"
    & skf18("4","1","10","9","9","4","1") = "9"
    & skf18("4","1","10","9","9","5","1") = "9"
    & skf18("4","1","10","9","9","6","1") = "9"
    & skf18("4","1","10","9","9","7","1") = "9"
    & skf18("4","1","10","9","9","8","1") = "9"
    & skf18("4","1","10","9","9","9","1") = "9"
    & skf18("4","1","10","9","9","10","1") = "9"
    & skf18("4","1","10","9","10","1","1") = "9"
    & skf18("4","1","10","9","10","2","1") = "9"
    & skf18("4","1","10","9","10","3","1") = "9"
    & skf18("4","1","10","9","10","4","1") = "9"
    & skf18("4","1","10","9","10","5","1") = "9"
    & skf18("4","1","10","9","10","6","1") = "9"
    & skf18("4","1","10","9","10","7","1") = "9"
    & skf18("4","1","10","9","10","8","1") = "9"
    & skf18("4","1","10","9","10","9","1") = "9"
    & skf18("4","1","10","9","10","10","1") = "9"
    & skf18("4","1","10","10","1","1","1") = "9"
    & skf18("4","1","10","10","1","2","1") = "9"
    & skf18("4","1","10","10","1","3","1") = "9"
    & skf18("4","1","10","10","1","4","1") = "9"
    & skf18("4","1","10","10","1","5","1") = "9"
    & skf18("4","1","10","10","1","6","1") = "9"
    & skf18("4","1","10","10","1","7","1") = "9"
    & skf18("4","1","10","10","1","8","1") = "9"
    & skf18("4","1","10","10","1","9","1") = "9"
    & skf18("4","1","10","10","1","10","1") = "9"
    & skf18("4","1","10","10","2","1","1") = "9"
    & skf18("4","1","10","10","2","2","1") = "9"
    & skf18("4","1","10","10","2","3","1") = "9"
    & skf18("4","1","10","10","2","4","1") = "9"
    & skf18("4","1","10","10","2","5","1") = "9"
    & skf18("4","1","10","10","2","6","1") = "9"
    & skf18("4","1","10","10","2","7","1") = "9"
    & skf18("4","1","10","10","2","8","1") = "9"
    & skf18("4","1","10","10","2","9","1") = "9"
    & skf18("4","1","10","10","2","10","1") = "9"
    & skf18("4","1","10","10","3","1","1") = "9"
    & skf18("4","1","10","10","3","2","1") = "9"
    & skf18("4","1","10","10","3","3","1") = "9"
    & skf18("4","1","10","10","3","4","1") = "9"
    & skf18("4","1","10","10","3","5","1") = "9"
    & skf18("4","1","10","10","3","6","1") = "9"
    & skf18("4","1","10","10","3","7","1") = "9"
    & skf18("4","1","10","10","3","8","1") = "9"
    & skf18("4","1","10","10","3","9","1") = "9"
    & skf18("4","1","10","10","3","10","1") = "9"
    & skf18("4","1","10","10","4","1","1") = "9"
    & skf18("4","1","10","10","4","2","1") = "9"
    & skf18("4","1","10","10","4","3","1") = "9"
    & skf18("4","1","10","10","4","4","1") = "9"
    & skf18("4","1","10","10","4","5","1") = "9"
    & skf18("4","1","10","10","4","6","1") = "9"
    & skf18("4","1","10","10","4","7","1") = "9"
    & skf18("4","1","10","10","4","8","1") = "9"
    & skf18("4","1","10","10","4","9","1") = "9"
    & skf18("4","1","10","10","4","10","1") = "9"
    & skf18("4","1","10","10","5","1","1") = "9"
    & skf18("4","1","10","10","5","2","1") = "9"
    & skf18("4","1","10","10","5","3","1") = "9"
    & skf18("4","1","10","10","5","4","1") = "9"
    & skf18("4","1","10","10","5","5","1") = "9"
    & skf18("4","1","10","10","5","6","1") = "9"
    & skf18("4","1","10","10","5","7","1") = "9"
    & skf18("4","1","10","10","5","8","1") = "9"
    & skf18("4","1","10","10","5","9","1") = "9"
    & skf18("4","1","10","10","5","10","1") = "9"
    & skf18("4","1","10","10","6","1","1") = "9"
    & skf18("4","1","10","10","6","2","1") = "9"
    & skf18("4","1","10","10","6","3","1") = "9"
    & skf18("4","1","10","10","6","4","1") = "9"
    & skf18("4","1","10","10","6","5","1") = "9"
    & skf18("4","1","10","10","6","6","1") = "9"
    & skf18("4","1","10","10","6","7","1") = "9"
    & skf18("4","1","10","10","6","8","1") = "9"
    & skf18("4","1","10","10","6","9","1") = "9"
    & skf18("4","1","10","10","6","10","1") = "9"
    & skf18("4","1","10","10","7","1","1") = "9"
    & skf18("4","1","10","10","7","2","1") = "9"
    & skf18("4","1","10","10","7","3","1") = "9"
    & skf18("4","1","10","10","7","4","1") = "9"
    & skf18("4","1","10","10","7","5","1") = "9"
    & skf18("4","1","10","10","7","6","1") = "9"
    & skf18("4","1","10","10","7","7","1") = "9"
    & skf18("4","1","10","10","7","8","1") = "9"
    & skf18("4","1","10","10","7","9","1") = "9"
    & skf18("4","1","10","10","7","10","1") = "9"
    & skf18("4","1","10","10","8","1","1") = "9"
    & skf18("4","1","10","10","8","2","1") = "9"
    & skf18("4","1","10","10","8","3","1") = "9"
    & skf18("4","1","10","10","8","4","1") = "9"
    & skf18("4","1","10","10","8","5","1") = "9"
    & skf18("4","1","10","10","8","6","1") = "9"
    & skf18("4","1","10","10","8","7","1") = "9"
    & skf18("4","1","10","10","8","8","1") = "9"
    & skf18("4","1","10","10","8","9","1") = "9"
    & skf18("4","1","10","10","8","10","1") = "9"
    & skf18("4","1","10","10","9","1","1") = "9"
    & skf18("4","1","10","10","9","2","1") = "9"
    & skf18("4","1","10","10","9","3","1") = "9"
    & skf18("4","1","10","10","9","4","1") = "9"
    & skf18("4","1","10","10","9","5","1") = "9"
    & skf18("4","1","10","10","9","6","1") = "9"
    & skf18("4","1","10","10","9","7","1") = "9"
    & skf18("4","1","10","10","9","8","1") = "9"
    & skf18("4","1","10","10","9","9","1") = "9"
    & skf18("4","1","10","10","9","10","1") = "9"
    & skf18("4","1","10","10","10","1","1") = "9"
    & skf18("4","1","10","10","10","2","1") = "9"
    & skf18("4","1","10","10","10","3","1") = "9"
    & skf18("4","1","10","10","10","4","1") = "9"
    & skf18("4","1","10","10","10","5","1") = "9"
    & skf18("4","1","10","10","10","6","1") = "9"
    & skf18("4","1","10","10","10","7","1") = "9"
    & skf18("4","1","10","10","10","8","1") = "9"
    & skf18("4","1","10","10","10","9","1") = "9"
    & skf18("4","1","10","10","10","10","1") = "9"
    & skf18("4","2","1","1","1","1","1") = "3"
    & skf18("4","2","1","1","1","2","1") = "3"
    & skf18("4","2","1","1","1","3","1") = "3"
    & skf18("4","2","1","1","1","4","1") = "3"
    & skf18("4","2","1","1","1","5","1") = "4"
    & skf18("4","2","1","1","1","6","1") = "5"
    & skf18("4","2","1","1","1","7","1") = "6"
    & skf18("4","2","1","1","1","8","1") = "7"
    & skf18("4","2","1","1","1","9","1") = "8"
    & skf18("4","2","1","1","1","10","1") = "9"
    & skf18("4","2","1","1","2","1","1") = "3"
    & skf18("4","2","1","1","2","2","1") = "3"
    & skf18("4","2","1","1","2","3","1") = "3"
    & skf18("4","2","1","1","2","4","1") = "3"
    & skf18("4","2","1","1","2","5","1") = "4"
    & skf18("4","2","1","1","2","6","1") = "5"
    & skf18("4","2","1","1","2","7","1") = "6"
    & skf18("4","2","1","1","2","8","1") = "7"
    & skf18("4","2","1","1","2","9","1") = "8"
    & skf18("4","2","1","1","2","10","1") = "9"
    & skf18("4","2","1","1","3","1","1") = "3"
    & skf18("4","2","1","1","3","2","1") = "3"
    & skf18("4","2","1","1","3","3","1") = "3"
    & skf18("4","2","1","1","3","4","1") = "3"
    & skf18("4","2","1","1","3","5","1") = "4"
    & skf18("4","2","1","1","3","6","1") = "5"
    & skf18("4","2","1","1","3","7","1") = "6"
    & skf18("4","2","1","1","3","8","1") = "7"
    & skf18("4","2","1","1","3","9","1") = "8"
    & skf18("4","2","1","1","3","10","1") = "9"
    & skf18("4","2","1","1","4","1","1") = "3"
    & skf18("4","2","1","1","4","2","1") = "3"
    & skf18("4","2","1","1","4","3","1") = "3"
    & skf18("4","2","1","1","4","4","1") = "3"
    & skf18("4","2","1","1","4","5","1") = "4"
    & skf18("4","2","1","1","4","6","1") = "5"
    & skf18("4","2","1","1","4","7","1") = "6"
    & skf18("4","2","1","1","4","8","1") = "7"
    & skf18("4","2","1","1","4","9","1") = "8"
    & skf18("4","2","1","1","4","10","1") = "9"
    & skf18("4","2","1","1","5","1","1") = "4"
    & skf18("4","2","1","1","5","2","1") = "4"
    & skf18("4","2","1","1","5","3","1") = "4"
    & skf18("4","2","1","1","5","4","1") = "4"
    & skf18("4","2","1","1","5","5","1") = "4"
    & skf18("4","2","1","1","5","6","1") = "5"
    & skf18("4","2","1","1","5","7","1") = "6"
    & skf18("4","2","1","1","5","8","1") = "7"
    & skf18("4","2","1","1","5","9","1") = "8"
    & skf18("4","2","1","1","5","10","1") = "9"
    & skf18("4","2","1","1","6","1","1") = "5"
    & skf18("4","2","1","1","6","2","1") = "5"
    & skf18("4","2","1","1","6","3","1") = "5"
    & skf18("4","2","1","1","6","4","1") = "5"
    & skf18("4","2","1","1","6","5","1") = "5"
    & skf18("4","2","1","1","6","6","1") = "5"
    & skf18("4","2","1","1","6","7","1") = "6"
    & skf18("4","2","1","1","6","8","1") = "7"
    & skf18("4","2","1","1","6","9","1") = "8"
    & skf18("4","2","1","1","6","10","1") = "9"
    & skf18("4","2","1","1","7","1","1") = "6"
    & skf18("4","2","1","1","7","2","1") = "6"
    & skf18("4","2","1","1","7","3","1") = "6"
    & skf18("4","2","1","1","7","4","1") = "6"
    & skf18("4","2","1","1","7","5","1") = "6"
    & skf18("4","2","1","1","7","6","1") = "6"
    & skf18("4","2","1","1","7","7","1") = "6"
    & skf18("4","2","1","1","7","8","1") = "7"
    & skf18("4","2","1","1","7","9","1") = "8"
    & skf18("4","2","1","1","7","10","1") = "9"
    & skf18("4","2","1","1","8","1","1") = "7"
    & skf18("4","2","1","1","8","2","1") = "7"
    & skf18("4","2","1","1","8","3","1") = "7"
    & skf18("4","2","1","1","8","4","1") = "7"
    & skf18("4","2","1","1","8","5","1") = "7"
    & skf18("4","2","1","1","8","6","1") = "7"
    & skf18("4","2","1","1","8","7","1") = "7"
    & skf18("4","2","1","1","8","8","1") = "7"
    & skf18("4","2","1","1","8","9","1") = "8"
    & skf18("4","2","1","1","8","10","1") = "9"
    & skf18("4","2","1","1","9","1","1") = "8"
    & skf18("4","2","1","1","9","2","1") = "8"
    & skf18("4","2","1","1","9","3","1") = "8"
    & skf18("4","2","1","1","9","4","1") = "8"
    & skf18("4","2","1","1","9","5","1") = "8"
    & skf18("4","2","1","1","9","6","1") = "8"
    & skf18("4","2","1","1","9","7","1") = "8"
    & skf18("4","2","1","1","9","8","1") = "8"
    & skf18("4","2","1","1","9","9","1") = "8"
    & skf18("4","2","1","1","9","10","1") = "9"
    & skf18("4","2","1","1","10","1","1") = "9"
    & skf18("4","2","1","1","10","2","1") = "9"
    & skf18("4","2","1","1","10","3","1") = "9"
    & skf18("4","2","1","1","10","4","1") = "9"
    & skf18("4","2","1","1","10","5","1") = "9"
    & skf18("4","2","1","1","10","6","1") = "9"
    & skf18("4","2","1","1","10","7","1") = "9"
    & skf18("4","2","1","1","10","8","1") = "9"
    & skf18("4","2","1","1","10","9","1") = "9"
    & skf18("4","2","1","1","10","10","1") = "9"
    & skf18("4","2","1","2","1","1","1") = "3"
    & skf18("4","2","1","2","1","2","1") = "3"
    & skf18("4","2","1","2","1","3","1") = "3"
    & skf18("4","2","1","2","1","4","1") = "3"
    & skf18("4","2","1","2","1","5","1") = "4"
    & skf18("4","2","1","2","1","6","1") = "5"
    & skf18("4","2","1","2","1","7","1") = "6"
    & skf18("4","2","1","2","1","8","1") = "7"
    & skf18("4","2","1","2","1","9","1") = "8"
    & skf18("4","2","1","2","1","10","1") = "9"
    & skf18("4","2","1","2","2","1","1") = "3"
    & skf18("4","2","1","2","2","2","1") = "3"
    & skf18("4","2","1","2","2","3","1") = "3"
    & skf18("4","2","1","2","2","4","1") = "3"
    & skf18("4","2","1","2","2","5","1") = "4"
    & skf18("4","2","1","2","2","6","1") = "5"
    & skf18("4","2","1","2","2","7","1") = "6"
    & skf18("4","2","1","2","2","8","1") = "7"
    & skf18("4","2","1","2","2","9","1") = "8"
    & skf18("4","2","1","2","2","10","1") = "9"
    & skf18("4","2","1","2","3","1","1") = "3"
    & skf18("4","2","1","2","3","2","1") = "3"
    & skf18("4","2","1","2","3","3","1") = "3"
    & skf18("4","2","1","2","3","4","1") = "3"
    & skf18("4","2","1","2","3","5","1") = "4"
    & skf18("4","2","1","2","3","6","1") = "5"
    & skf18("4","2","1","2","3","7","1") = "6"
    & skf18("4","2","1","2","3","8","1") = "7"
    & skf18("4","2","1","2","3","9","1") = "8"
    & skf18("4","2","1","2","3","10","1") = "9"
    & skf18("4","2","1","2","4","1","1") = "3"
    & skf18("4","2","1","2","4","2","1") = "3"
    & skf18("4","2","1","2","4","3","1") = "3"
    & skf18("4","2","1","2","4","4","1") = "3"
    & skf18("4","2","1","2","4","5","1") = "4"
    & skf18("4","2","1","2","4","6","1") = "5"
    & skf18("4","2","1","2","4","7","1") = "6"
    & skf18("4","2","1","2","4","8","1") = "7"
    & skf18("4","2","1","2","4","9","1") = "8"
    & skf18("4","2","1","2","4","10","1") = "9"
    & skf18("4","2","1","2","5","1","1") = "4"
    & skf18("4","2","1","2","5","2","1") = "4"
    & skf18("4","2","1","2","5","3","1") = "4"
    & skf18("4","2","1","2","5","4","1") = "4"
    & skf18("4","2","1","2","5","5","1") = "4"
    & skf18("4","2","1","2","5","6","1") = "5"
    & skf18("4","2","1","2","5","7","1") = "6"
    & skf18("4","2","1","2","5","8","1") = "7"
    & skf18("4","2","1","2","5","9","1") = "8"
    & skf18("4","2","1","2","5","10","1") = "9"
    & skf18("4","2","1","2","6","1","1") = "5"
    & skf18("4","2","1","2","6","2","1") = "5"
    & skf18("4","2","1","2","6","3","1") = "5"
    & skf18("4","2","1","2","6","4","1") = "5"
    & skf18("4","2","1","2","6","5","1") = "5"
    & skf18("4","2","1","2","6","6","1") = "5"
    & skf18("4","2","1","2","6","7","1") = "6"
    & skf18("4","2","1","2","6","8","1") = "7"
    & skf18("4","2","1","2","6","9","1") = "8"
    & skf18("4","2","1","2","6","10","1") = "9"
    & skf18("4","2","1","2","7","1","1") = "6"
    & skf18("4","2","1","2","7","2","1") = "6"
    & skf18("4","2","1","2","7","3","1") = "6"
    & skf18("4","2","1","2","7","4","1") = "6"
    & skf18("4","2","1","2","7","5","1") = "6"
    & skf18("4","2","1","2","7","6","1") = "6"
    & skf18("4","2","1","2","7","7","1") = "6"
    & skf18("4","2","1","2","7","8","1") = "7"
    & skf18("4","2","1","2","7","9","1") = "8"
    & skf18("4","2","1","2","7","10","1") = "9"
    & skf18("4","2","1","2","8","1","1") = "7"
    & skf18("4","2","1","2","8","2","1") = "7"
    & skf18("4","2","1","2","8","3","1") = "7"
    & skf18("4","2","1","2","8","4","1") = "7"
    & skf18("4","2","1","2","8","5","1") = "7"
    & skf18("4","2","1","2","8","6","1") = "7"
    & skf18("4","2","1","2","8","7","1") = "7"
    & skf18("4","2","1","2","8","8","1") = "7"
    & skf18("4","2","1","2","8","9","1") = "8"
    & skf18("4","2","1","2","8","10","1") = "9"
    & skf18("4","2","1","2","9","1","1") = "8"
    & skf18("4","2","1","2","9","2","1") = "8"
    & skf18("4","2","1","2","9","3","1") = "8"
    & skf18("4","2","1","2","9","4","1") = "8"
    & skf18("4","2","1","2","9","5","1") = "8"
    & skf18("4","2","1","2","9","6","1") = "8"
    & skf18("4","2","1","2","9","7","1") = "8"
    & skf18("4","2","1","2","9","8","1") = "8"
    & skf18("4","2","1","2","9","9","1") = "8"
    & skf18("4","2","1","2","9","10","1") = "9"
    & skf18("4","2","1","2","10","1","1") = "9"
    & skf18("4","2","1","2","10","2","1") = "9"
    & skf18("4","2","1","2","10","3","1") = "9"
    & skf18("4","2","1","2","10","4","1") = "9"
    & skf18("4","2","1","2","10","5","1") = "9"
    & skf18("4","2","1","2","10","6","1") = "9"
    & skf18("4","2","1","2","10","7","1") = "9"
    & skf18("4","2","1","2","10","8","1") = "9"
    & skf18("4","2","1","2","10","9","1") = "9"
    & skf18("4","2","1","2","10","10","1") = "9"
    & skf18("4","2","1","3","1","1","1") = "3"
    & skf18("4","2","1","3","1","2","1") = "3"
    & skf18("4","2","1","3","1","3","1") = "3"
    & skf18("4","2","1","3","1","4","1") = "3"
    & skf18("4","2","1","3","1","5","1") = "4"
    & skf18("4","2","1","3","1","6","1") = "5"
    & skf18("4","2","1","3","1","7","1") = "6"
    & skf18("4","2","1","3","1","8","1") = "7"
    & skf18("4","2","1","3","1","9","1") = "8"
    & skf18("4","2","1","3","1","10","1") = "9"
    & skf18("4","2","1","3","2","1","1") = "3"
    & skf18("4","2","1","3","2","2","1") = "3"
    & skf18("4","2","1","3","2","3","1") = "3"
    & skf18("4","2","1","3","2","4","1") = "3"
    & skf18("4","2","1","3","2","5","1") = "4"
    & skf18("4","2","1","3","2","6","1") = "5"
    & skf18("4","2","1","3","2","7","1") = "6"
    & skf18("4","2","1","3","2","8","1") = "7"
    & skf18("4","2","1","3","2","9","1") = "8"
    & skf18("4","2","1","3","2","10","1") = "9"
    & skf18("4","2","1","3","3","1","1") = "3"
    & skf18("4","2","1","3","3","2","1") = "3"
    & skf18("4","2","1","3","3","3","1") = "3"
    & skf18("4","2","1","3","3","4","1") = "3"
    & skf18("4","2","1","3","3","5","1") = "4"
    & skf18("4","2","1","3","3","6","1") = "5"
    & skf18("4","2","1","3","3","7","1") = "6"
    & skf18("4","2","1","3","3","8","1") = "7"
    & skf18("4","2","1","3","3","9","1") = "8"
    & skf18("4","2","1","3","3","10","1") = "9"
    & skf18("4","2","1","3","4","1","1") = "3"
    & skf18("4","2","1","3","4","2","1") = "3"
    & skf18("4","2","1","3","4","3","1") = "3"
    & skf18("4","2","1","3","4","4","1") = "3"
    & skf18("4","2","1","3","4","5","1") = "4"
    & skf18("4","2","1","3","4","6","1") = "5"
    & skf18("4","2","1","3","4","7","1") = "6"
    & skf18("4","2","1","3","4","8","1") = "7"
    & skf18("4","2","1","3","4","9","1") = "8"
    & skf18("4","2","1","3","4","10","1") = "9"
    & skf18("4","2","1","3","5","1","1") = "4"
    & skf18("4","2","1","3","5","2","1") = "4"
    & skf18("4","2","1","3","5","3","1") = "4"
    & skf18("4","2","1","3","5","4","1") = "4"
    & skf18("4","2","1","3","5","5","1") = "4"
    & skf18("4","2","1","3","5","6","1") = "5"
    & skf18("4","2","1","3","5","7","1") = "6"
    & skf18("4","2","1","3","5","8","1") = "7"
    & skf18("4","2","1","3","5","9","1") = "8"
    & skf18("4","2","1","3","5","10","1") = "9"
    & skf18("4","2","1","3","6","1","1") = "5"
    & skf18("4","2","1","3","6","2","1") = "5"
    & skf18("4","2","1","3","6","3","1") = "5"
    & skf18("4","2","1","3","6","4","1") = "5"
    & skf18("4","2","1","3","6","5","1") = "5"
    & skf18("4","2","1","3","6","6","1") = "5"
    & skf18("4","2","1","3","6","7","1") = "6"
    & skf18("4","2","1","3","6","8","1") = "7"
    & skf18("4","2","1","3","6","9","1") = "8"
    & skf18("4","2","1","3","6","10","1") = "9"
    & skf18("4","2","1","3","7","1","1") = "6"
    & skf18("4","2","1","3","7","2","1") = "6"
    & skf18("4","2","1","3","7","3","1") = "6"
    & skf18("4","2","1","3","7","4","1") = "6"
    & skf18("4","2","1","3","7","5","1") = "6"
    & skf18("4","2","1","3","7","6","1") = "6"
    & skf18("4","2","1","3","7","7","1") = "6"
    & skf18("4","2","1","3","7","8","1") = "7"
    & skf18("4","2","1","3","7","9","1") = "8"
    & skf18("4","2","1","3","7","10","1") = "9"
    & skf18("4","2","1","3","8","1","1") = "7"
    & skf18("4","2","1","3","8","2","1") = "7"
    & skf18("4","2","1","3","8","3","1") = "7"
    & skf18("4","2","1","3","8","4","1") = "7"
    & skf18("4","2","1","3","8","5","1") = "7"
    & skf18("4","2","1","3","8","6","1") = "7"
    & skf18("4","2","1","3","8","7","1") = "7"
    & skf18("4","2","1","3","8","8","1") = "7"
    & skf18("4","2","1","3","8","9","1") = "8"
    & skf18("4","2","1","3","8","10","1") = "9"
    & skf18("4","2","1","3","9","1","1") = "8"
    & skf18("4","2","1","3","9","2","1") = "8"
    & skf18("4","2","1","3","9","3","1") = "8"
    & skf18("4","2","1","3","9","4","1") = "8"
    & skf18("4","2","1","3","9","5","1") = "8"
    & skf18("4","2","1","3","9","6","1") = "8"
    & skf18("4","2","1","3","9","7","1") = "8"
    & skf18("4","2","1","3","9","8","1") = "8"
    & skf18("4","2","1","3","9","9","1") = "8"
    & skf18("4","2","1","3","9","10","1") = "9"
    & skf18("4","2","1","3","10","1","1") = "9"
    & skf18("4","2","1","3","10","2","1") = "9"
    & skf18("4","2","1","3","10","3","1") = "9"
    & skf18("4","2","1","3","10","4","1") = "9"
    & skf18("4","2","1","3","10","5","1") = "9"
    & skf18("4","2","1","3","10","6","1") = "9"
    & skf18("4","2","1","3","10","7","1") = "9"
    & skf18("4","2","1","3","10","8","1") = "9"
    & skf18("4","2","1","3","10","9","1") = "9"
    & skf18("4","2","1","3","10","10","1") = "9"
    & skf18("4","2","1","4","1","1","1") = "3"
    & skf18("4","2","1","4","1","2","1") = "3"
    & skf18("4","2","1","4","1","3","1") = "3"
    & skf18("4","2","1","4","1","4","1") = "3"
    & skf18("4","2","1","4","1","5","1") = "4"
    & skf18("4","2","1","4","1","6","1") = "5"
    & skf18("4","2","1","4","1","7","1") = "6"
    & skf18("4","2","1","4","1","8","1") = "7"
    & skf18("4","2","1","4","1","9","1") = "8"
    & skf18("4","2","1","4","1","10","1") = "9"
    & skf18("4","2","1","4","2","1","1") = "3"
    & skf18("4","2","1","4","2","2","1") = "3"
    & skf18("4","2","1","4","2","3","1") = "3"
    & skf18("4","2","1","4","2","4","1") = "3"
    & skf18("4","2","1","4","2","5","1") = "4"
    & skf18("4","2","1","4","2","6","1") = "5"
    & skf18("4","2","1","4","2","7","1") = "6"
    & skf18("4","2","1","4","2","8","1") = "7"
    & skf18("4","2","1","4","2","9","1") = "8"
    & skf18("4","2","1","4","2","10","1") = "9"
    & skf18("4","2","1","4","3","1","1") = "3"
    & skf18("4","2","1","4","3","2","1") = "3"
    & skf18("4","2","1","4","3","3","1") = "3"
    & skf18("4","2","1","4","3","4","1") = "3"
    & skf18("4","2","1","4","3","5","1") = "4"
    & skf18("4","2","1","4","3","6","1") = "5"
    & skf18("4","2","1","4","3","7","1") = "6"
    & skf18("4","2","1","4","3","8","1") = "7"
    & skf18("4","2","1","4","3","9","1") = "8"
    & skf18("4","2","1","4","3","10","1") = "9"
    & skf18("4","2","1","4","4","1","1") = "3"
    & skf18("4","2","1","4","4","2","1") = "3"
    & skf18("4","2","1","4","4","3","1") = "3"
    & skf18("4","2","1","4","4","4","1") = "3"
    & skf18("4","2","1","4","4","5","1") = "4"
    & skf18("4","2","1","4","4","6","1") = "5"
    & skf18("4","2","1","4","4","7","1") = "6"
    & skf18("4","2","1","4","4","8","1") = "7"
    & skf18("4","2","1","4","4","9","1") = "8"
    & skf18("4","2","1","4","4","10","1") = "9"
    & skf18("4","2","1","4","5","1","1") = "4"
    & skf18("4","2","1","4","5","2","1") = "4"
    & skf18("4","2","1","4","5","3","1") = "4"
    & skf18("4","2","1","4","5","4","1") = "4"
    & skf18("4","2","1","4","5","5","1") = "4"
    & skf18("4","2","1","4","5","6","1") = "5"
    & skf18("4","2","1","4","5","7","1") = "6"
    & skf18("4","2","1","4","5","8","1") = "7"
    & skf18("4","2","1","4","5","9","1") = "8"
    & skf18("4","2","1","4","5","10","1") = "9"
    & skf18("4","2","1","4","6","1","1") = "5"
    & skf18("4","2","1","4","6","2","1") = "5"
    & skf18("4","2","1","4","6","3","1") = "5"
    & skf18("4","2","1","4","6","4","1") = "5"
    & skf18("4","2","1","4","6","5","1") = "5"
    & skf18("4","2","1","4","6","6","1") = "5"
    & skf18("4","2","1","4","6","7","1") = "6"
    & skf18("4","2","1","4","6","8","1") = "7"
    & skf18("4","2","1","4","6","9","1") = "8"
    & skf18("4","2","1","4","6","10","1") = "9"
    & skf18("4","2","1","4","7","1","1") = "6"
    & skf18("4","2","1","4","7","2","1") = "6"
    & skf18("4","2","1","4","7","3","1") = "6"
    & skf18("4","2","1","4","7","4","1") = "6"
    & skf18("4","2","1","4","7","5","1") = "6"
    & skf18("4","2","1","4","7","6","1") = "6"
    & skf18("4","2","1","4","7","7","1") = "6"
    & skf18("4","2","1","4","7","8","1") = "7"
    & skf18("4","2","1","4","7","9","1") = "8"
    & skf18("4","2","1","4","7","10","1") = "9"
    & skf18("4","2","1","4","8","1","1") = "7"
    & skf18("4","2","1","4","8","2","1") = "7"
    & skf18("4","2","1","4","8","3","1") = "7"
    & skf18("4","2","1","4","8","4","1") = "7"
    & skf18("4","2","1","4","8","5","1") = "7"
    & skf18("4","2","1","4","8","6","1") = "7"
    & skf18("4","2","1","4","8","7","1") = "7"
    & skf18("4","2","1","4","8","8","1") = "7"
    & skf18("4","2","1","4","8","9","1") = "8"
    & skf18("4","2","1","4","8","10","1") = "9"
    & skf18("4","2","1","4","9","1","1") = "8"
    & skf18("4","2","1","4","9","2","1") = "8"
    & skf18("4","2","1","4","9","3","1") = "8"
    & skf18("4","2","1","4","9","4","1") = "8"
    & skf18("4","2","1","4","9","5","1") = "8"
    & skf18("4","2","1","4","9","6","1") = "8"
    & skf18("4","2","1","4","9","7","1") = "8"
    & skf18("4","2","1","4","9","8","1") = "8"
    & skf18("4","2","1","4","9","9","1") = "8"
    & skf18("4","2","1","4","9","10","1") = "9"
    & skf18("4","2","1","4","10","1","1") = "9"
    & skf18("4","2","1","4","10","2","1") = "9"
    & skf18("4","2","1","4","10","3","1") = "9"
    & skf18("4","2","1","4","10","4","1") = "9"
    & skf18("4","2","1","4","10","5","1") = "9"
    & skf18("4","2","1","4","10","6","1") = "9"
    & skf18("4","2","1","4","10","7","1") = "9"
    & skf18("4","2","1","4","10","8","1") = "9"
    & skf18("4","2","1","4","10","9","1") = "9"
    & skf18("4","2","1","4","10","10","1") = "9"
    & skf18("4","2","1","5","1","1","1") = "4"
    & skf18("4","2","1","5","1","2","1") = "4"
    & skf18("4","2","1","5","1","3","1") = "4"
    & skf18("4","2","1","5","1","4","1") = "4"
    & skf18("4","2","1","5","1","5","1") = "4"
    & skf18("4","2","1","5","1","6","1") = "5"
    & skf18("4","2","1","5","1","7","1") = "6"
    & skf18("4","2","1","5","1","8","1") = "7"
    & skf18("4","2","1","5","1","9","1") = "8"
    & skf18("4","2","1","5","1","10","1") = "9"
    & skf18("4","2","1","5","2","1","1") = "4"
    & skf18("4","2","1","5","2","2","1") = "4"
    & skf18("4","2","1","5","2","3","1") = "4"
    & skf18("4","2","1","5","2","4","1") = "4"
    & skf18("4","2","1","5","2","5","1") = "4"
    & skf18("4","2","1","5","2","6","1") = "5"
    & skf18("4","2","1","5","2","7","1") = "6"
    & skf18("4","2","1","5","2","8","1") = "7"
    & skf18("4","2","1","5","2","9","1") = "8"
    & skf18("4","2","1","5","2","10","1") = "9"
    & skf18("4","2","1","5","3","1","1") = "4"
    & skf18("4","2","1","5","3","2","1") = "4"
    & skf18("4","2","1","5","3","3","1") = "4"
    & skf18("4","2","1","5","3","4","1") = "4"
    & skf18("4","2","1","5","3","5","1") = "4"
    & skf18("4","2","1","5","3","6","1") = "5"
    & skf18("4","2","1","5","3","7","1") = "6"
    & skf18("4","2","1","5","3","8","1") = "7"
    & skf18("4","2","1","5","3","9","1") = "8"
    & skf18("4","2","1","5","3","10","1") = "9"
    & skf18("4","2","1","5","4","1","1") = "4"
    & skf18("4","2","1","5","4","2","1") = "4"
    & skf18("4","2","1","5","4","3","1") = "4"
    & skf18("4","2","1","5","4","4","1") = "4"
    & skf18("4","2","1","5","4","5","1") = "4"
    & skf18("4","2","1","5","4","6","1") = "5"
    & skf18("4","2","1","5","4","7","1") = "6"
    & skf18("4","2","1","5","4","8","1") = "7"
    & skf18("4","2","1","5","4","9","1") = "8"
    & skf18("4","2","1","5","4","10","1") = "9"
    & skf18("4","2","1","5","5","1","1") = "4"
    & skf18("4","2","1","5","5","2","1") = "4"
    & skf18("4","2","1","5","5","3","1") = "4"
    & skf18("4","2","1","5","5","4","1") = "4"
    & skf18("4","2","1","5","5","5","1") = "4"
    & skf18("4","2","1","5","5","6","1") = "5"
    & skf18("4","2","1","5","5","7","1") = "6"
    & skf18("4","2","1","5","5","8","1") = "7"
    & skf18("4","2","1","5","5","9","1") = "8"
    & skf18("4","2","1","5","5","10","1") = "9"
    & skf18("4","2","1","5","6","1","1") = "5"
    & skf18("4","2","1","5","6","2","1") = "5"
    & skf18("4","2","1","5","6","3","1") = "5"
    & skf18("4","2","1","5","6","4","1") = "5"
    & skf18("4","2","1","5","6","5","1") = "5"
    & skf18("4","2","1","5","6","6","1") = "5"
    & skf18("4","2","1","5","6","7","1") = "6"
    & skf18("4","2","1","5","6","8","1") = "7"
    & skf18("4","2","1","5","6","9","1") = "8"
    & skf18("4","2","1","5","6","10","1") = "9"
    & skf18("4","2","1","5","7","1","1") = "6"
    & skf18("4","2","1","5","7","2","1") = "6"
    & skf18("4","2","1","5","7","3","1") = "6"
    & skf18("4","2","1","5","7","4","1") = "6"
    & skf18("4","2","1","5","7","5","1") = "6"
    & skf18("4","2","1","5","7","6","1") = "6"
    & skf18("4","2","1","5","7","7","1") = "6"
    & skf18("4","2","1","5","7","8","1") = "7"
    & skf18("4","2","1","5","7","9","1") = "8"
    & skf18("4","2","1","5","7","10","1") = "9"
    & skf18("4","2","1","5","8","1","1") = "7"
    & skf18("4","2","1","5","8","2","1") = "7"
    & skf18("4","2","1","5","8","3","1") = "7"
    & skf18("4","2","1","5","8","4","1") = "7"
    & skf18("4","2","1","5","8","5","1") = "7"
    & skf18("4","2","1","5","8","6","1") = "7"
    & skf18("4","2","1","5","8","7","1") = "7"
    & skf18("4","2","1","5","8","8","1") = "7"
    & skf18("4","2","1","5","8","9","1") = "8"
    & skf18("4","2","1","5","8","10","1") = "9"
    & skf18("4","2","1","5","9","1","1") = "8"
    & skf18("4","2","1","5","9","2","1") = "8"
    & skf18("4","2","1","5","9","3","1") = "8"
    & skf18("4","2","1","5","9","4","1") = "8"
    & skf18("4","2","1","5","9","5","1") = "8"
    & skf18("4","2","1","5","9","6","1") = "8"
    & skf18("4","2","1","5","9","7","1") = "8"
    & skf18("4","2","1","5","9","8","1") = "8"
    & skf18("4","2","1","5","9","9","1") = "8"
    & skf18("4","2","1","5","9","10","1") = "9"
    & skf18("4","2","1","5","10","1","1") = "9"
    & skf18("4","2","1","5","10","2","1") = "9"
    & skf18("4","2","1","5","10","3","1") = "9"
    & skf18("4","2","1","5","10","4","1") = "9"
    & skf18("4","2","1","5","10","5","1") = "9"
    & skf18("4","2","1","5","10","6","1") = "9"
    & skf18("4","2","1","5","10","7","1") = "9"
    & skf18("4","2","1","5","10","8","1") = "9"
    & skf18("4","2","1","5","10","9","1") = "9"
    & skf18("4","2","1","5","10","10","1") = "9"
    & skf18("4","2","1","6","1","1","1") = "5"
    & skf18("4","2","1","6","1","2","1") = "5"
    & skf18("4","2","1","6","1","3","1") = "5"
    & skf18("4","2","1","6","1","4","1") = "5"
    & skf18("4","2","1","6","1","5","1") = "5"
    & skf18("4","2","1","6","1","6","1") = "5"
    & skf18("4","2","1","6","1","7","1") = "6"
    & skf18("4","2","1","6","1","8","1") = "7"
    & skf18("4","2","1","6","1","9","1") = "8"
    & skf18("4","2","1","6","1","10","1") = "9"
    & skf18("4","2","1","6","2","1","1") = "5"
    & skf18("4","2","1","6","2","2","1") = "5"
    & skf18("4","2","1","6","2","3","1") = "5"
    & skf18("4","2","1","6","2","4","1") = "5"
    & skf18("4","2","1","6","2","5","1") = "5"
    & skf18("4","2","1","6","2","6","1") = "5"
    & skf18("4","2","1","6","2","7","1") = "6"
    & skf18("4","2","1","6","2","8","1") = "7"
    & skf18("4","2","1","6","2","9","1") = "8"
    & skf18("4","2","1","6","2","10","1") = "9"
    & skf18("4","2","1","6","3","1","1") = "5"
    & skf18("4","2","1","6","3","2","1") = "5"
    & skf18("4","2","1","6","3","3","1") = "5"
    & skf18("4","2","1","6","3","4","1") = "5"
    & skf18("4","2","1","6","3","5","1") = "5"
    & skf18("4","2","1","6","3","6","1") = "5"
    & skf18("4","2","1","6","3","7","1") = "6"
    & skf18("4","2","1","6","3","8","1") = "7"
    & skf18("4","2","1","6","3","9","1") = "8"
    & skf18("4","2","1","6","3","10","1") = "9"
    & skf18("4","2","1","6","4","1","1") = "5"
    & skf18("4","2","1","6","4","2","1") = "5"
    & skf18("4","2","1","6","4","3","1") = "5"
    & skf18("4","2","1","6","4","4","1") = "5"
    & skf18("4","2","1","6","4","5","1") = "5"
    & skf18("4","2","1","6","4","6","1") = "5"
    & skf18("4","2","1","6","4","7","1") = "6"
    & skf18("4","2","1","6","4","8","1") = "7"
    & skf18("4","2","1","6","4","9","1") = "8"
    & skf18("4","2","1","6","4","10","1") = "9"
    & skf18("4","2","1","6","5","1","1") = "5"
    & skf18("4","2","1","6","5","2","1") = "5"
    & skf18("4","2","1","6","5","3","1") = "5"
    & skf18("4","2","1","6","5","4","1") = "5"
    & skf18("4","2","1","6","5","5","1") = "5"
    & skf18("4","2","1","6","5","6","1") = "5"
    & skf18("4","2","1","6","5","7","1") = "6"
    & skf18("4","2","1","6","5","8","1") = "7"
    & skf18("4","2","1","6","5","9","1") = "8"
    & skf18("4","2","1","6","5","10","1") = "9"
    & skf18("4","2","1","6","6","1","1") = "5"
    & skf18("4","2","1","6","6","2","1") = "5"
    & skf18("4","2","1","6","6","3","1") = "5"
    & skf18("4","2","1","6","6","4","1") = "5"
    & skf18("4","2","1","6","6","5","1") = "5"
    & skf18("4","2","1","6","6","6","1") = "5"
    & skf18("4","2","1","6","6","7","1") = "6"
    & skf18("4","2","1","6","6","8","1") = "7"
    & skf18("4","2","1","6","6","9","1") = "8"
    & skf18("4","2","1","6","6","10","1") = "9"
    & skf18("4","2","1","6","7","1","1") = "6"
    & skf18("4","2","1","6","7","2","1") = "6"
    & skf18("4","2","1","6","7","3","1") = "6"
    & skf18("4","2","1","6","7","4","1") = "6"
    & skf18("4","2","1","6","7","5","1") = "6"
    & skf18("4","2","1","6","7","6","1") = "6"
    & skf18("4","2","1","6","7","7","1") = "6"
    & skf18("4","2","1","6","7","8","1") = "7"
    & skf18("4","2","1","6","7","9","1") = "8"
    & skf18("4","2","1","6","7","10","1") = "9"
    & skf18("4","2","1","6","8","1","1") = "7"
    & skf18("4","2","1","6","8","2","1") = "7"
    & skf18("4","2","1","6","8","3","1") = "7"
    & skf18("4","2","1","6","8","4","1") = "7"
    & skf18("4","2","1","6","8","5","1") = "7"
    & skf18("4","2","1","6","8","6","1") = "7"
    & skf18("4","2","1","6","8","7","1") = "7"
    & skf18("4","2","1","6","8","8","1") = "7"
    & skf18("4","2","1","6","8","9","1") = "8"
    & skf18("4","2","1","6","8","10","1") = "9"
    & skf18("4","2","1","6","9","1","1") = "8"
    & skf18("4","2","1","6","9","2","1") = "8"
    & skf18("4","2","1","6","9","3","1") = "8"
    & skf18("4","2","1","6","9","4","1") = "8"
    & skf18("4","2","1","6","9","5","1") = "8"
    & skf18("4","2","1","6","9","6","1") = "8"
    & skf18("4","2","1","6","9","7","1") = "8"
    & skf18("4","2","1","6","9","8","1") = "8"
    & skf18("4","2","1","6","9","9","1") = "8"
    & skf18("4","2","1","6","9","10","1") = "9"
    & skf18("4","2","1","6","10","1","1") = "9"
    & skf18("4","2","1","6","10","2","1") = "9"
    & skf18("4","2","1","6","10","3","1") = "9"
    & skf18("4","2","1","6","10","4","1") = "9"
    & skf18("4","2","1","6","10","5","1") = "9"
    & skf18("4","2","1","6","10","6","1") = "9"
    & skf18("4","2","1","6","10","7","1") = "9"
    & skf18("4","2","1","6","10","8","1") = "9"
    & skf18("4","2","1","6","10","9","1") = "9"
    & skf18("4","2","1","6","10","10","1") = "9"
    & skf18("4","2","1","7","1","1","1") = "6"
    & skf18("4","2","1","7","1","2","1") = "6"
    & skf18("4","2","1","7","1","3","1") = "6"
    & skf18("4","2","1","7","1","4","1") = "6"
    & skf18("4","2","1","7","1","5","1") = "6"
    & skf18("4","2","1","7","1","6","1") = "6"
    & skf18("4","2","1","7","1","7","1") = "6"
    & skf18("4","2","1","7","1","8","1") = "7"
    & skf18("4","2","1","7","1","9","1") = "8"
    & skf18("4","2","1","7","1","10","1") = "9"
    & skf18("4","2","1","7","2","1","1") = "6"
    & skf18("4","2","1","7","2","2","1") = "6"
    & skf18("4","2","1","7","2","3","1") = "6"
    & skf18("4","2","1","7","2","4","1") = "6"
    & skf18("4","2","1","7","2","5","1") = "6"
    & skf18("4","2","1","7","2","6","1") = "6"
    & skf18("4","2","1","7","2","7","1") = "6"
    & skf18("4","2","1","7","2","8","1") = "7"
    & skf18("4","2","1","7","2","9","1") = "8"
    & skf18("4","2","1","7","2","10","1") = "9"
    & skf18("4","2","1","7","3","1","1") = "6"
    & skf18("4","2","1","7","3","2","1") = "6"
    & skf18("4","2","1","7","3","3","1") = "6"
    & skf18("4","2","1","7","3","4","1") = "6"
    & skf18("4","2","1","7","3","5","1") = "6"
    & skf18("4","2","1","7","3","6","1") = "6"
    & skf18("4","2","1","7","3","7","1") = "6"
    & skf18("4","2","1","7","3","8","1") = "7"
    & skf18("4","2","1","7","3","9","1") = "8"
    & skf18("4","2","1","7","3","10","1") = "9"
    & skf18("4","2","1","7","4","1","1") = "6"
    & skf18("4","2","1","7","4","2","1") = "6"
    & skf18("4","2","1","7","4","3","1") = "6"
    & skf18("4","2","1","7","4","4","1") = "6"
    & skf18("4","2","1","7","4","5","1") = "6"
    & skf18("4","2","1","7","4","6","1") = "6"
    & skf18("4","2","1","7","4","7","1") = "6"
    & skf18("4","2","1","7","4","8","1") = "7"
    & skf18("4","2","1","7","4","9","1") = "8"
    & skf18("4","2","1","7","4","10","1") = "9"
    & skf18("4","2","1","7","5","1","1") = "6"
    & skf18("4","2","1","7","5","2","1") = "6"
    & skf18("4","2","1","7","5","3","1") = "6"
    & skf18("4","2","1","7","5","4","1") = "6"
    & skf18("4","2","1","7","5","5","1") = "6"
    & skf18("4","2","1","7","5","6","1") = "6"
    & skf18("4","2","1","7","5","7","1") = "6"
    & skf18("4","2","1","7","5","8","1") = "7"
    & skf18("4","2","1","7","5","9","1") = "8"
    & skf18("4","2","1","7","5","10","1") = "9"
    & skf18("4","2","1","7","6","1","1") = "6"
    & skf18("4","2","1","7","6","2","1") = "6"
    & skf18("4","2","1","7","6","3","1") = "6"
    & skf18("4","2","1","7","6","4","1") = "6"
    & skf18("4","2","1","7","6","5","1") = "6"
    & skf18("4","2","1","7","6","6","1") = "6"
    & skf18("4","2","1","7","6","7","1") = "6"
    & skf18("4","2","1","7","6","8","1") = "7"
    & skf18("4","2","1","7","6","9","1") = "8"
    & skf18("4","2","1","7","6","10","1") = "9"
    & skf18("4","2","1","7","7","1","1") = "6"
    & skf18("4","2","1","7","7","2","1") = "6"
    & skf18("4","2","1","7","7","3","1") = "6"
    & skf18("4","2","1","7","7","4","1") = "6"
    & skf18("4","2","1","7","7","5","1") = "6"
    & skf18("4","2","1","7","7","6","1") = "6"
    & skf18("4","2","1","7","7","7","1") = "6"
    & skf18("4","2","1","7","7","8","1") = "7"
    & skf18("4","2","1","7","7","9","1") = "8"
    & skf18("4","2","1","7","7","10","1") = "9"
    & skf18("4","2","1","7","8","1","1") = "7"
    & skf18("4","2","1","7","8","2","1") = "7"
    & skf18("4","2","1","7","8","3","1") = "7"
    & skf18("4","2","1","7","8","4","1") = "7"
    & skf18("4","2","1","7","8","5","1") = "7"
    & skf18("4","2","1","7","8","6","1") = "7"
    & skf18("4","2","1","7","8","7","1") = "7"
    & skf18("4","2","1","7","8","8","1") = "7"
    & skf18("4","2","1","7","8","9","1") = "8"
    & skf18("4","2","1","7","8","10","1") = "9"
    & skf18("4","2","1","7","9","1","1") = "8"
    & skf18("4","2","1","7","9","2","1") = "8"
    & skf18("4","2","1","7","9","3","1") = "8"
    & skf18("4","2","1","7","9","4","1") = "8"
    & skf18("4","2","1","7","9","5","1") = "8"
    & skf18("4","2","1","7","9","6","1") = "8"
    & skf18("4","2","1","7","9","7","1") = "8"
    & skf18("4","2","1","7","9","8","1") = "8"
    & skf18("4","2","1","7","9","9","1") = "8"
    & skf18("4","2","1","7","9","10","1") = "9"
    & skf18("4","2","1","7","10","1","1") = "9"
    & skf18("4","2","1","7","10","2","1") = "9"
    & skf18("4","2","1","7","10","3","1") = "9"
    & skf18("4","2","1","7","10","4","1") = "9"
    & skf18("4","2","1","7","10","5","1") = "9"
    & skf18("4","2","1","7","10","6","1") = "9"
    & skf18("4","2","1","7","10","7","1") = "9"
    & skf18("4","2","1","7","10","8","1") = "9"
    & skf18("4","2","1","7","10","9","1") = "9"
    & skf18("4","2","1","7","10","10","1") = "9"
    & skf18("4","2","1","8","1","1","1") = "7"
    & skf18("4","2","1","8","1","2","1") = "7"
    & skf18("4","2","1","8","1","3","1") = "7"
    & skf18("4","2","1","8","1","4","1") = "7"
    & skf18("4","2","1","8","1","5","1") = "7"
    & skf18("4","2","1","8","1","6","1") = "7"
    & skf18("4","2","1","8","1","7","1") = "7"
    & skf18("4","2","1","8","1","8","1") = "7"
    & skf18("4","2","1","8","1","9","1") = "8"
    & skf18("4","2","1","8","1","10","1") = "9"
    & skf18("4","2","1","8","2","1","1") = "7"
    & skf18("4","2","1","8","2","2","1") = "7"
    & skf18("4","2","1","8","2","3","1") = "7"
    & skf18("4","2","1","8","2","4","1") = "7"
    & skf18("4","2","1","8","2","5","1") = "7"
    & skf18("4","2","1","8","2","6","1") = "7"
    & skf18("4","2","1","8","2","7","1") = "7"
    & skf18("4","2","1","8","2","8","1") = "7"
    & skf18("4","2","1","8","2","9","1") = "8"
    & skf18("4","2","1","8","2","10","1") = "9"
    & skf18("4","2","1","8","3","1","1") = "7"
    & skf18("4","2","1","8","3","2","1") = "7"
    & skf18("4","2","1","8","3","3","1") = "7"
    & skf18("4","2","1","8","3","4","1") = "7"
    & skf18("4","2","1","8","3","5","1") = "7"
    & skf18("4","2","1","8","3","6","1") = "7"
    & skf18("4","2","1","8","3","7","1") = "7"
    & skf18("4","2","1","8","3","8","1") = "7"
    & skf18("4","2","1","8","3","9","1") = "8"
    & skf18("4","2","1","8","3","10","1") = "9"
    & skf18("4","2","1","8","4","1","1") = "7"
    & skf18("4","2","1","8","4","2","1") = "7"
    & skf18("4","2","1","8","4","3","1") = "7"
    & skf18("4","2","1","8","4","4","1") = "7"
    & skf18("4","2","1","8","4","5","1") = "7"
    & skf18("4","2","1","8","4","6","1") = "7"
    & skf18("4","2","1","8","4","7","1") = "7"
    & skf18("4","2","1","8","4","8","1") = "7"
    & skf18("4","2","1","8","4","9","1") = "8"
    & skf18("4","2","1","8","4","10","1") = "9"
    & skf18("4","2","1","8","5","1","1") = "7"
    & skf18("4","2","1","8","5","2","1") = "7"
    & skf18("4","2","1","8","5","3","1") = "7"
    & skf18("4","2","1","8","5","4","1") = "7"
    & skf18("4","2","1","8","5","5","1") = "7"
    & skf18("4","2","1","8","5","6","1") = "7"
    & skf18("4","2","1","8","5","7","1") = "7"
    & skf18("4","2","1","8","5","8","1") = "7"
    & skf18("4","2","1","8","5","9","1") = "8"
    & skf18("4","2","1","8","5","10","1") = "9"
    & skf18("4","2","1","8","6","1","1") = "7"
    & skf18("4","2","1","8","6","2","1") = "7"
    & skf18("4","2","1","8","6","3","1") = "7"
    & skf18("4","2","1","8","6","4","1") = "7"
    & skf18("4","2","1","8","6","5","1") = "7"
    & skf18("4","2","1","8","6","6","1") = "7"
    & skf18("4","2","1","8","6","7","1") = "7"
    & skf18("4","2","1","8","6","8","1") = "7"
    & skf18("4","2","1","8","6","9","1") = "8"
    & skf18("4","2","1","8","6","10","1") = "9"
    & skf18("4","2","1","8","7","1","1") = "7"
    & skf18("4","2","1","8","7","2","1") = "7"
    & skf18("4","2","1","8","7","3","1") = "7"
    & skf18("4","2","1","8","7","4","1") = "7"
    & skf18("4","2","1","8","7","5","1") = "7"
    & skf18("4","2","1","8","7","6","1") = "7"
    & skf18("4","2","1","8","7","7","1") = "7"
    & skf18("4","2","1","8","7","8","1") = "7"
    & skf18("4","2","1","8","7","9","1") = "8"
    & skf18("4","2","1","8","7","10","1") = "9"
    & skf18("4","2","1","8","8","1","1") = "7"
    & skf18("4","2","1","8","8","2","1") = "7"
    & skf18("4","2","1","8","8","3","1") = "7"
    & skf18("4","2","1","8","8","4","1") = "7"
    & skf18("4","2","1","8","8","5","1") = "7"
    & skf18("4","2","1","8","8","6","1") = "7"
    & skf18("4","2","1","8","8","7","1") = "7"
    & skf18("4","2","1","8","8","8","1") = "7"
    & skf18("4","2","1","8","8","9","1") = "8"
    & skf18("4","2","1","8","8","10","1") = "9"
    & skf18("4","2","1","8","9","1","1") = "8"
    & skf18("4","2","1","8","9","2","1") = "8"
    & skf18("4","2","1","8","9","3","1") = "8"
    & skf18("4","2","1","8","9","4","1") = "8"
    & skf18("4","2","1","8","9","5","1") = "8"
    & skf18("4","2","1","8","9","6","1") = "8"
    & skf18("4","2","1","8","9","7","1") = "8"
    & skf18("4","2","1","8","9","8","1") = "8"
    & skf18("4","2","1","8","9","9","1") = "8"
    & skf18("4","2","1","8","9","10","1") = "9"
    & skf18("4","2","1","8","10","1","1") = "9"
    & skf18("4","2","1","8","10","2","1") = "9"
    & skf18("4","2","1","8","10","3","1") = "9"
    & skf18("4","2","1","8","10","4","1") = "9"
    & skf18("4","2","1","8","10","5","1") = "9"
    & skf18("4","2","1","8","10","6","1") = "9"
    & skf18("4","2","1","8","10","7","1") = "9"
    & skf18("4","2","1","8","10","8","1") = "9"
    & skf18("4","2","1","8","10","9","1") = "9"
    & skf18("4","2","1","8","10","10","1") = "9"
    & skf18("4","2","1","9","1","1","1") = "8"
    & skf18("4","2","1","9","1","2","1") = "8"
    & skf18("4","2","1","9","1","3","1") = "8"
    & skf18("4","2","1","9","1","4","1") = "8"
    & skf18("4","2","1","9","1","5","1") = "8"
    & skf18("4","2","1","9","1","6","1") = "8"
    & skf18("4","2","1","9","1","7","1") = "8"
    & skf18("4","2","1","9","1","8","1") = "8"
    & skf18("4","2","1","9","1","9","1") = "8"
    & skf18("4","2","1","9","1","10","1") = "9"
    & skf18("4","2","1","9","2","1","1") = "8"
    & skf18("4","2","1","9","2","2","1") = "8"
    & skf18("4","2","1","9","2","3","1") = "8"
    & skf18("4","2","1","9","2","4","1") = "8"
    & skf18("4","2","1","9","2","5","1") = "8"
    & skf18("4","2","1","9","2","6","1") = "8"
    & skf18("4","2","1","9","2","7","1") = "8"
    & skf18("4","2","1","9","2","8","1") = "8"
    & skf18("4","2","1","9","2","9","1") = "8"
    & skf18("4","2","1","9","2","10","1") = "9"
    & skf18("4","2","1","9","3","1","1") = "8"
    & skf18("4","2","1","9","3","2","1") = "8"
    & skf18("4","2","1","9","3","3","1") = "8"
    & skf18("4","2","1","9","3","4","1") = "8"
    & skf18("4","2","1","9","3","5","1") = "8"
    & skf18("4","2","1","9","3","6","1") = "8"
    & skf18("4","2","1","9","3","7","1") = "8"
    & skf18("4","2","1","9","3","8","1") = "8"
    & skf18("4","2","1","9","3","9","1") = "8"
    & skf18("4","2","1","9","3","10","1") = "9"
    & skf18("4","2","1","9","4","1","1") = "8"
    & skf18("4","2","1","9","4","2","1") = "8"
    & skf18("4","2","1","9","4","3","1") = "8"
    & skf18("4","2","1","9","4","4","1") = "8"
    & skf18("4","2","1","9","4","5","1") = "8"
    & skf18("4","2","1","9","4","6","1") = "8"
    & skf18("4","2","1","9","4","7","1") = "8"
    & skf18("4","2","1","9","4","8","1") = "8"
    & skf18("4","2","1","9","4","9","1") = "8"
    & skf18("4","2","1","9","4","10","1") = "9"
    & skf18("4","2","1","9","5","1","1") = "8"
    & skf18("4","2","1","9","5","2","1") = "8"
    & skf18("4","2","1","9","5","3","1") = "8"
    & skf18("4","2","1","9","5","4","1") = "8"
    & skf18("4","2","1","9","5","5","1") = "8"
    & skf18("4","2","1","9","5","6","1") = "8"
    & skf18("4","2","1","9","5","7","1") = "8"
    & skf18("4","2","1","9","5","8","1") = "8"
    & skf18("4","2","1","9","5","9","1") = "8"
    & skf18("4","2","1","9","5","10","1") = "9"
    & skf18("4","2","1","9","6","1","1") = "8"
    & skf18("4","2","1","9","6","2","1") = "8"
    & skf18("4","2","1","9","6","3","1") = "8"
    & skf18("4","2","1","9","6","4","1") = "8"
    & skf18("4","2","1","9","6","5","1") = "8"
    & skf18("4","2","1","9","6","6","1") = "8"
    & skf18("4","2","1","9","6","7","1") = "8"
    & skf18("4","2","1","9","6","8","1") = "8"
    & skf18("4","2","1","9","6","9","1") = "8"
    & skf18("4","2","1","9","6","10","1") = "9"
    & skf18("4","2","1","9","7","1","1") = "8"
    & skf18("4","2","1","9","7","2","1") = "8"
    & skf18("4","2","1","9","7","3","1") = "8"
    & skf18("4","2","1","9","7","4","1") = "8"
    & skf18("4","2","1","9","7","5","1") = "8"
    & skf18("4","2","1","9","7","6","1") = "8"
    & skf18("4","2","1","9","7","7","1") = "8"
    & skf18("4","2","1","9","7","8","1") = "8"
    & skf18("4","2","1","9","7","9","1") = "8"
    & skf18("4","2","1","9","7","10","1") = "9"
    & skf18("4","2","1","9","8","1","1") = "8"
    & skf18("4","2","1","9","8","2","1") = "8"
    & skf18("4","2","1","9","8","3","1") = "8"
    & skf18("4","2","1","9","8","4","1") = "8"
    & skf18("4","2","1","9","8","5","1") = "8"
    & skf18("4","2","1","9","8","6","1") = "8"
    & skf18("4","2","1","9","8","7","1") = "8"
    & skf18("4","2","1","9","8","8","1") = "8"
    & skf18("4","2","1","9","8","9","1") = "8"
    & skf18("4","2","1","9","8","10","1") = "9"
    & skf18("4","2","1","9","9","1","1") = "8"
    & skf18("4","2","1","9","9","2","1") = "8"
    & skf18("4","2","1","9","9","3","1") = "8"
    & skf18("4","2","1","9","9","4","1") = "8"
    & skf18("4","2","1","9","9","5","1") = "8"
    & skf18("4","2","1","9","9","6","1") = "8"
    & skf18("4","2","1","9","9","7","1") = "8"
    & skf18("4","2","1","9","9","8","1") = "8"
    & skf18("4","2","1","9","9","9","1") = "8"
    & skf18("4","2","1","9","9","10","1") = "9"
    & skf18("4","2","1","9","10","1","1") = "9"
    & skf18("4","2","1","9","10","2","1") = "9"
    & skf18("4","2","1","9","10","3","1") = "9"
    & skf18("4","2","1","9","10","4","1") = "9"
    & skf18("4","2","1","9","10","5","1") = "9"
    & skf18("4","2","1","9","10","6","1") = "9"
    & skf18("4","2","1","9","10","7","1") = "9"
    & skf18("4","2","1","9","10","8","1") = "9"
    & skf18("4","2","1","9","10","9","1") = "9"
    & skf18("4","2","1","9","10","10","1") = "9"
    & skf18("4","2","1","10","1","1","1") = "9"
    & skf18("4","2","1","10","1","2","1") = "9"
    & skf18("4","2","1","10","1","3","1") = "9"
    & skf18("4","2","1","10","1","4","1") = "9"
    & skf18("4","2","1","10","1","5","1") = "9"
    & skf18("4","2","1","10","1","6","1") = "9"
    & skf18("4","2","1","10","1","7","1") = "9"
    & skf18("4","2","1","10","1","8","1") = "9"
    & skf18("4","2","1","10","1","9","1") = "9"
    & skf18("4","2","1","10","1","10","1") = "9"
    & skf18("4","2","1","10","2","1","1") = "9"
    & skf18("4","2","1","10","2","2","1") = "9"
    & skf18("4","2","1","10","2","3","1") = "9"
    & skf18("4","2","1","10","2","4","1") = "9"
    & skf18("4","2","1","10","2","5","1") = "9"
    & skf18("4","2","1","10","2","6","1") = "9"
    & skf18("4","2","1","10","2","7","1") = "9"
    & skf18("4","2","1","10","2","8","1") = "9"
    & skf18("4","2","1","10","2","9","1") = "9"
    & skf18("4","2","1","10","2","10","1") = "9"
    & skf18("4","2","1","10","3","1","1") = "9"
    & skf18("4","2","1","10","3","2","1") = "9"
    & skf18("4","2","1","10","3","3","1") = "9"
    & skf18("4","2","1","10","3","4","1") = "9"
    & skf18("4","2","1","10","3","5","1") = "9"
    & skf18("4","2","1","10","3","6","1") = "9"
    & skf18("4","2","1","10","3","7","1") = "9"
    & skf18("4","2","1","10","3","8","1") = "9"
    & skf18("4","2","1","10","3","9","1") = "9"
    & skf18("4","2","1","10","3","10","1") = "9"
    & skf18("4","2","1","10","4","1","1") = "9"
    & skf18("4","2","1","10","4","2","1") = "9"
    & skf18("4","2","1","10","4","3","1") = "9"
    & skf18("4","2","1","10","4","4","1") = "9"
    & skf18("4","2","1","10","4","5","1") = "9"
    & skf18("4","2","1","10","4","6","1") = "9"
    & skf18("4","2","1","10","4","7","1") = "9"
    & skf18("4","2","1","10","4","8","1") = "9"
    & skf18("4","2","1","10","4","9","1") = "9"
    & skf18("4","2","1","10","4","10","1") = "9"
    & skf18("4","2","1","10","5","1","1") = "9"
    & skf18("4","2","1","10","5","2","1") = "9"
    & skf18("4","2","1","10","5","3","1") = "9"
    & skf18("4","2","1","10","5","4","1") = "9"
    & skf18("4","2","1","10","5","5","1") = "9"
    & skf18("4","2","1","10","5","6","1") = "9"
    & skf18("4","2","1","10","5","7","1") = "9"
    & skf18("4","2","1","10","5","8","1") = "9"
    & skf18("4","2","1","10","5","9","1") = "9"
    & skf18("4","2","1","10","5","10","1") = "9"
    & skf18("4","2","1","10","6","1","1") = "9"
    & skf18("4","2","1","10","6","2","1") = "9"
    & skf18("4","2","1","10","6","3","1") = "9"
    & skf18("4","2","1","10","6","4","1") = "9"
    & skf18("4","2","1","10","6","5","1") = "9"
    & skf18("4","2","1","10","6","6","1") = "9"
    & skf18("4","2","1","10","6","7","1") = "9"
    & skf18("4","2","1","10","6","8","1") = "9"
    & skf18("4","2","1","10","6","9","1") = "9"
    & skf18("4","2","1","10","6","10","1") = "9"
    & skf18("4","2","1","10","7","1","1") = "9"
    & skf18("4","2","1","10","7","2","1") = "9"
    & skf18("4","2","1","10","7","3","1") = "9"
    & skf18("4","2","1","10","7","4","1") = "9"
    & skf18("4","2","1","10","7","5","1") = "9"
    & skf18("4","2","1","10","7","6","1") = "9"
    & skf18("4","2","1","10","7","7","1") = "9"
    & skf18("4","2","1","10","7","8","1") = "9"
    & skf18("4","2","1","10","7","9","1") = "9"
    & skf18("4","2","1","10","7","10","1") = "9"
    & skf18("4","2","1","10","8","1","1") = "9"
    & skf18("4","2","1","10","8","2","1") = "9"
    & skf18("4","2","1","10","8","3","1") = "9"
    & skf18("4","2","1","10","8","4","1") = "9"
    & skf18("4","2","1","10","8","5","1") = "9"
    & skf18("4","2","1","10","8","6","1") = "9"
    & skf18("4","2","1","10","8","7","1") = "9"
    & skf18("4","2","1","10","8","8","1") = "9"
    & skf18("4","2","1","10","8","9","1") = "9"
    & skf18("4","2","1","10","8","10","1") = "9"
    & skf18("4","2","1","10","9","1","1") = "9"
    & skf18("4","2","1","10","9","2","1") = "9"
    & skf18("4","2","1","10","9","3","1") = "9"
    & skf18("4","2","1","10","9","4","1") = "9"
    & skf18("4","2","1","10","9","5","1") = "9"
    & skf18("4","2","1","10","9","6","1") = "9"
    & skf18("4","2","1","10","9","7","1") = "9"
    & skf18("4","2","1","10","9","8","1") = "9"
    & skf18("4","2","1","10","9","9","1") = "9"
    & skf18("4","2","1","10","9","10","1") = "9"
    & skf18("4","2","1","10","10","1","1") = "9"
    & skf18("4","2","1","10","10","2","1") = "9"
    & skf18("4","2","1","10","10","3","1") = "9"
    & skf18("4","2","1","10","10","4","1") = "9"
    & skf18("4","2","1","10","10","5","1") = "9"
    & skf18("4","2","1","10","10","6","1") = "9"
    & skf18("4","2","1","10","10","7","1") = "9"
    & skf18("4","2","1","10","10","8","1") = "9"
    & skf18("4","2","1","10","10","9","1") = "9"
    & skf18("4","2","1","10","10","10","1") = "9"
    & skf18("4","2","2","1","1","1","1") = "3"
    & skf18("4","2","2","1","1","2","1") = "3"
    & skf18("4","2","2","1","1","3","1") = "3"
    & skf18("4","2","2","1","1","4","1") = "3"
    & skf18("4","2","2","1","1","5","1") = "4"
    & skf18("4","2","2","1","1","6","1") = "5"
    & skf18("4","2","2","1","1","7","1") = "6"
    & skf18("4","2","2","1","1","8","1") = "7"
    & skf18("4","2","2","1","1","9","1") = "8"
    & skf18("4","2","2","1","1","10","1") = "9"
    & skf18("4","2","2","1","2","1","1") = "3"
    & skf18("4","2","2","1","2","2","1") = "3"
    & skf18("4","2","2","1","2","3","1") = "3"
    & skf18("4","2","2","1","2","4","1") = "3"
    & skf18("4","2","2","1","2","5","1") = "4"
    & skf18("4","2","2","1","2","6","1") = "5"
    & skf18("4","2","2","1","2","7","1") = "6"
    & skf18("4","2","2","1","2","8","1") = "7"
    & skf18("4","2","2","1","2","9","1") = "8"
    & skf18("4","2","2","1","2","10","1") = "9"
    & skf18("4","2","2","1","3","1","1") = "3"
    & skf18("4","2","2","1","3","2","1") = "3"
    & skf18("4","2","2","1","3","3","1") = "3"
    & skf18("4","2","2","1","3","4","1") = "3"
    & skf18("4","2","2","1","3","5","1") = "4"
    & skf18("4","2","2","1","3","6","1") = "5"
    & skf18("4","2","2","1","3","7","1") = "6"
    & skf18("4","2","2","1","3","8","1") = "7"
    & skf18("4","2","2","1","3","9","1") = "8"
    & skf18("4","2","2","1","3","10","1") = "9"
    & skf18("4","2","2","1","4","1","1") = "3"
    & skf18("4","2","2","1","4","2","1") = "3"
    & skf18("4","2","2","1","4","3","1") = "3"
    & skf18("4","2","2","1","4","4","1") = "3"
    & skf18("4","2","2","1","4","5","1") = "4"
    & skf18("4","2","2","1","4","6","1") = "5"
    & skf18("4","2","2","1","4","7","1") = "6"
    & skf18("4","2","2","1","4","8","1") = "7"
    & skf18("4","2","2","1","4","9","1") = "8"
    & skf18("4","2","2","1","4","10","1") = "9"
    & skf18("4","2","2","1","5","1","1") = "4"
    & skf18("4","2","2","1","5","2","1") = "4"
    & skf18("4","2","2","1","5","3","1") = "4"
    & skf18("4","2","2","1","5","4","1") = "4"
    & skf18("4","2","2","1","5","5","1") = "4"
    & skf18("4","2","2","1","5","6","1") = "5"
    & skf18("4","2","2","1","5","7","1") = "6"
    & skf18("4","2","2","1","5","8","1") = "7"
    & skf18("4","2","2","1","5","9","1") = "8"
    & skf18("4","2","2","1","5","10","1") = "9"
    & skf18("4","2","2","1","6","1","1") = "5"
    & skf18("4","2","2","1","6","2","1") = "5"
    & skf18("4","2","2","1","6","3","1") = "5"
    & skf18("4","2","2","1","6","4","1") = "5"
    & skf18("4","2","2","1","6","5","1") = "5"
    & skf18("4","2","2","1","6","6","1") = "5"
    & skf18("4","2","2","1","6","7","1") = "6"
    & skf18("4","2","2","1","6","8","1") = "7"
    & skf18("4","2","2","1","6","9","1") = "8"
    & skf18("4","2","2","1","6","10","1") = "9"
    & skf18("4","2","2","1","7","1","1") = "6"
    & skf18("4","2","2","1","7","2","1") = "6"
    & skf18("4","2","2","1","7","3","1") = "6"
    & skf18("4","2","2","1","7","4","1") = "6"
    & skf18("4","2","2","1","7","5","1") = "6"
    & skf18("4","2","2","1","7","6","1") = "6"
    & skf18("4","2","2","1","7","7","1") = "6"
    & skf18("4","2","2","1","7","8","1") = "7"
    & skf18("4","2","2","1","7","9","1") = "8"
    & skf18("4","2","2","1","7","10","1") = "9"
    & skf18("4","2","2","1","8","1","1") = "7"
    & skf18("4","2","2","1","8","2","1") = "7"
    & skf18("4","2","2","1","8","3","1") = "7"
    & skf18("4","2","2","1","8","4","1") = "7"
    & skf18("4","2","2","1","8","5","1") = "7"
    & skf18("4","2","2","1","8","6","1") = "7"
    & skf18("4","2","2","1","8","7","1") = "7"
    & skf18("4","2","2","1","8","8","1") = "7"
    & skf18("4","2","2","1","8","9","1") = "8"
    & skf18("4","2","2","1","8","10","1") = "9"
    & skf18("4","2","2","1","9","1","1") = "8"
    & skf18("4","2","2","1","9","2","1") = "8"
    & skf18("4","2","2","1","9","3","1") = "8"
    & skf18("4","2","2","1","9","4","1") = "8"
    & skf18("4","2","2","1","9","5","1") = "8"
    & skf18("4","2","2","1","9","6","1") = "8"
    & skf18("4","2","2","1","9","7","1") = "8"
    & skf18("4","2","2","1","9","8","1") = "8"
    & skf18("4","2","2","1","9","9","1") = "8"
    & skf18("4","2","2","1","9","10","1") = "9"
    & skf18("4","2","2","1","10","1","1") = "9"
    & skf18("4","2","2","1","10","2","1") = "9"
    & skf18("4","2","2","1","10","3","1") = "9"
    & skf18("4","2","2","1","10","4","1") = "9"
    & skf18("4","2","2","1","10","5","1") = "9"
    & skf18("4","2","2","1","10","6","1") = "9"
    & skf18("4","2","2","1","10","7","1") = "9"
    & skf18("4","2","2","1","10","8","1") = "9"
    & skf18("4","2","2","1","10","9","1") = "9"
    & skf18("4","2","2","1","10","10","1") = "9"
    & skf18("4","2","2","2","1","1","1") = "3"
    & skf18("4","2","2","2","1","2","1") = "3"
    & skf18("4","2","2","2","1","3","1") = "3"
    & skf18("4","2","2","2","1","4","1") = "3"
    & skf18("4","2","2","2","1","5","1") = "4"
    & skf18("4","2","2","2","1","6","1") = "5"
    & skf18("4","2","2","2","1","7","1") = "6"
    & skf18("4","2","2","2","1","8","1") = "7"
    & skf18("4","2","2","2","1","9","1") = "8"
    & skf18("4","2","2","2","1","10","1") = "9"
    & skf18("4","2","2","2","2","1","1") = "3"
    & skf18("4","2","2","2","2","2","1") = "3"
    & skf18("4","2","2","2","2","3","1") = "3"
    & skf18("4","2","2","2","2","4","1") = "3"
    & skf18("4","2","2","2","2","5","1") = "4"
    & skf18("4","2","2","2","2","6","1") = "5"
    & skf18("4","2","2","2","2","7","1") = "6"
    & skf18("4","2","2","2","2","8","1") = "7"
    & skf18("4","2","2","2","2","9","1") = "8"
    & skf18("4","2","2","2","2","10","1") = "9"
    & skf18("4","2","2","2","3","1","1") = "3"
    & skf18("4","2","2","2","3","2","1") = "3"
    & skf18("4","2","2","2","3","3","1") = "3"
    & skf18("4","2","2","2","3","4","1") = "3"
    & skf18("4","2","2","2","3","5","1") = "4"
    & skf18("4","2","2","2","3","6","1") = "5"
    & skf18("4","2","2","2","3","7","1") = "6"
    & skf18("4","2","2","2","3","8","1") = "7"
    & skf18("4","2","2","2","3","9","1") = "8"
    & skf18("4","2","2","2","3","10","1") = "9"
    & skf18("4","2","2","2","4","1","1") = "3"
    & skf18("4","2","2","2","4","2","1") = "3"
    & skf18("4","2","2","2","4","3","1") = "3"
    & skf18("4","2","2","2","4","4","1") = "3"
    & skf18("4","2","2","2","4","5","1") = "4"
    & skf18("4","2","2","2","4","6","1") = "5"
    & skf18("4","2","2","2","4","7","1") = "6"
    & skf18("4","2","2","2","4","8","1") = "7"
    & skf18("4","2","2","2","4","9","1") = "8"
    & skf18("4","2","2","2","4","10","1") = "9"
    & skf18("4","2","2","2","5","1","1") = "4"
    & skf18("4","2","2","2","5","2","1") = "4"
    & skf18("4","2","2","2","5","3","1") = "4"
    & skf18("4","2","2","2","5","4","1") = "4"
    & skf18("4","2","2","2","5","5","1") = "4"
    & skf18("4","2","2","2","5","6","1") = "5"
    & skf18("4","2","2","2","5","7","1") = "6"
    & skf18("4","2","2","2","5","8","1") = "7"
    & skf18("4","2","2","2","5","9","1") = "8"
    & skf18("4","2","2","2","5","10","1") = "9"
    & skf18("4","2","2","2","6","1","1") = "5"
    & skf18("4","2","2","2","6","2","1") = "5"
    & skf18("4","2","2","2","6","3","1") = "5"
    & skf18("4","2","2","2","6","4","1") = "5"
    & skf18("4","2","2","2","6","5","1") = "5"
    & skf18("4","2","2","2","6","6","1") = "5"
    & skf18("4","2","2","2","6","7","1") = "6"
    & skf18("4","2","2","2","6","8","1") = "7"
    & skf18("4","2","2","2","6","9","1") = "8"
    & skf18("4","2","2","2","6","10","1") = "9"
    & skf18("4","2","2","2","7","1","1") = "6"
    & skf18("4","2","2","2","7","2","1") = "6"
    & skf18("4","2","2","2","7","3","1") = "6"
    & skf18("4","2","2","2","7","4","1") = "6"
    & skf18("4","2","2","2","7","5","1") = "6"
    & skf18("4","2","2","2","7","6","1") = "6"
    & skf18("4","2","2","2","7","7","1") = "6"
    & skf18("4","2","2","2","7","8","1") = "7"
    & skf18("4","2","2","2","7","9","1") = "8"
    & skf18("4","2","2","2","7","10","1") = "9"
    & skf18("4","2","2","2","8","1","1") = "7"
    & skf18("4","2","2","2","8","2","1") = "7"
    & skf18("4","2","2","2","8","3","1") = "7"
    & skf18("4","2","2","2","8","4","1") = "7"
    & skf18("4","2","2","2","8","5","1") = "7"
    & skf18("4","2","2","2","8","6","1") = "7"
    & skf18("4","2","2","2","8","7","1") = "7"
    & skf18("4","2","2","2","8","8","1") = "7"
    & skf18("4","2","2","2","8","9","1") = "8"
    & skf18("4","2","2","2","8","10","1") = "9"
    & skf18("4","2","2","2","9","1","1") = "8"
    & skf18("4","2","2","2","9","2","1") = "8"
    & skf18("4","2","2","2","9","3","1") = "8"
    & skf18("4","2","2","2","9","4","1") = "8"
    & skf18("4","2","2","2","9","5","1") = "8"
    & skf18("4","2","2","2","9","6","1") = "8"
    & skf18("4","2","2","2","9","7","1") = "8"
    & skf18("4","2","2","2","9","8","1") = "8"
    & skf18("4","2","2","2","9","9","1") = "8"
    & skf18("4","2","2","2","9","10","1") = "9"
    & skf18("4","2","2","2","10","1","1") = "9"
    & skf18("4","2","2","2","10","2","1") = "9"
    & skf18("4","2","2","2","10","3","1") = "9"
    & skf18("4","2","2","2","10","4","1") = "9"
    & skf18("4","2","2","2","10","5","1") = "9"
    & skf18("4","2","2","2","10","6","1") = "9"
    & skf18("4","2","2","2","10","7","1") = "9"
    & skf18("4","2","2","2","10","8","1") = "9"
    & skf18("4","2","2","2","10","9","1") = "9"
    & skf18("4","2","2","2","10","10","1") = "9"
    & skf18("4","2","2","3","1","1","1") = "3"
    & skf18("4","2","2","3","1","2","1") = "3"
    & skf18("4","2","2","3","1","3","1") = "3"
    & skf18("4","2","2","3","1","4","1") = "3"
    & skf18("4","2","2","3","1","5","1") = "4"
    & skf18("4","2","2","3","1","6","1") = "5"
    & skf18("4","2","2","3","1","7","1") = "6"
    & skf18("4","2","2","3","1","8","1") = "7"
    & skf18("4","2","2","3","1","9","1") = "8"
    & skf18("4","2","2","3","1","10","1") = "9"
    & skf18("4","2","2","3","2","1","1") = "3"
    & skf18("4","2","2","3","2","2","1") = "3"
    & skf18("4","2","2","3","2","3","1") = "3"
    & skf18("4","2","2","3","2","4","1") = "3"
    & skf18("4","2","2","3","2","5","1") = "4"
    & skf18("4","2","2","3","2","6","1") = "5"
    & skf18("4","2","2","3","2","7","1") = "6"
    & skf18("4","2","2","3","2","8","1") = "7"
    & skf18("4","2","2","3","2","9","1") = "8"
    & skf18("4","2","2","3","2","10","1") = "9"
    & skf18("4","2","2","3","3","1","1") = "3"
    & skf18("4","2","2","3","3","2","1") = "3"
    & skf18("4","2","2","3","3","3","1") = "3"
    & skf18("4","2","2","3","3","4","1") = "3"
    & skf18("4","2","2","3","3","5","1") = "4"
    & skf18("4","2","2","3","3","6","1") = "5"
    & skf18("4","2","2","3","3","7","1") = "6"
    & skf18("4","2","2","3","3","8","1") = "7"
    & skf18("4","2","2","3","3","9","1") = "8"
    & skf18("4","2","2","3","3","10","1") = "9"
    & skf18("4","2","2","3","4","1","1") = "3"
    & skf18("4","2","2","3","4","2","1") = "3"
    & skf18("4","2","2","3","4","3","1") = "3"
    & skf18("4","2","2","3","4","4","1") = "3"
    & skf18("4","2","2","3","4","5","1") = "4"
    & skf18("4","2","2","3","4","6","1") = "5"
    & skf18("4","2","2","3","4","7","1") = "6"
    & skf18("4","2","2","3","4","8","1") = "7"
    & skf18("4","2","2","3","4","9","1") = "8"
    & skf18("4","2","2","3","4","10","1") = "9"
    & skf18("4","2","2","3","5","1","1") = "4"
    & skf18("4","2","2","3","5","2","1") = "4"
    & skf18("4","2","2","3","5","3","1") = "4"
    & skf18("4","2","2","3","5","4","1") = "4"
    & skf18("4","2","2","3","5","5","1") = "4"
    & skf18("4","2","2","3","5","6","1") = "5"
    & skf18("4","2","2","3","5","7","1") = "6"
    & skf18("4","2","2","3","5","8","1") = "7"
    & skf18("4","2","2","3","5","9","1") = "8"
    & skf18("4","2","2","3","5","10","1") = "9"
    & skf18("4","2","2","3","6","1","1") = "5"
    & skf18("4","2","2","3","6","2","1") = "5"
    & skf18("4","2","2","3","6","3","1") = "5"
    & skf18("4","2","2","3","6","4","1") = "5"
    & skf18("4","2","2","3","6","5","1") = "5"
    & skf18("4","2","2","3","6","6","1") = "5"
    & skf18("4","2","2","3","6","7","1") = "6"
    & skf18("4","2","2","3","6","8","1") = "7"
    & skf18("4","2","2","3","6","9","1") = "8"
    & skf18("4","2","2","3","6","10","1") = "9"
    & skf18("4","2","2","3","7","1","1") = "6"
    & skf18("4","2","2","3","7","2","1") = "6"
    & skf18("4","2","2","3","7","3","1") = "6"
    & skf18("4","2","2","3","7","4","1") = "6"
    & skf18("4","2","2","3","7","5","1") = "6"
    & skf18("4","2","2","3","7","6","1") = "6"
    & skf18("4","2","2","3","7","7","1") = "6"
    & skf18("4","2","2","3","7","8","1") = "7"
    & skf18("4","2","2","3","7","9","1") = "8"
    & skf18("4","2","2","3","7","10","1") = "9"
    & skf18("4","2","2","3","8","1","1") = "7"
    & skf18("4","2","2","3","8","2","1") = "7"
    & skf18("4","2","2","3","8","3","1") = "7"
    & skf18("4","2","2","3","8","4","1") = "7"
    & skf18("4","2","2","3","8","5","1") = "7"
    & skf18("4","2","2","3","8","6","1") = "7"
    & skf18("4","2","2","3","8","7","1") = "7"
    & skf18("4","2","2","3","8","8","1") = "7"
    & skf18("4","2","2","3","8","9","1") = "8"
    & skf18("4","2","2","3","8","10","1") = "9"
    & skf18("4","2","2","3","9","1","1") = "8"
    & skf18("4","2","2","3","9","2","1") = "8"
    & skf18("4","2","2","3","9","3","1") = "8"
    & skf18("4","2","2","3","9","4","1") = "8"
    & skf18("4","2","2","3","9","5","1") = "8"
    & skf18("4","2","2","3","9","6","1") = "8"
    & skf18("4","2","2","3","9","7","1") = "8"
    & skf18("4","2","2","3","9","8","1") = "8"
    & skf18("4","2","2","3","9","9","1") = "8"
    & skf18("4","2","2","3","9","10","1") = "9"
    & skf18("4","2","2","3","10","1","1") = "9"
    & skf18("4","2","2","3","10","2","1") = "9"
    & skf18("4","2","2","3","10","3","1") = "9"
    & skf18("4","2","2","3","10","4","1") = "9"
    & skf18("4","2","2","3","10","5","1") = "9"
    & skf18("4","2","2","3","10","6","1") = "9"
    & skf18("4","2","2","3","10","7","1") = "9"
    & skf18("4","2","2","3","10","8","1") = "9"
    & skf18("4","2","2","3","10","9","1") = "9"
    & skf18("4","2","2","3","10","10","1") = "9"
    & skf18("4","2","2","4","1","1","1") = "3"
    & skf18("4","2","2","4","1","2","1") = "3"
    & skf18("4","2","2","4","1","3","1") = "3"
    & skf18("4","2","2","4","1","4","1") = "3"
    & skf18("4","2","2","4","1","5","1") = "4"
    & skf18("4","2","2","4","1","6","1") = "5"
    & skf18("4","2","2","4","1","7","1") = "6"
    & skf18("4","2","2","4","1","8","1") = "7"
    & skf18("4","2","2","4","1","9","1") = "8"
    & skf18("4","2","2","4","1","10","1") = "9"
    & skf18("4","2","2","4","2","1","1") = "3"
    & skf18("4","2","2","4","2","2","1") = "3"
    & skf18("4","2","2","4","2","3","1") = "3"
    & skf18("4","2","2","4","2","4","1") = "3"
    & skf18("4","2","2","4","2","5","1") = "4"
    & skf18("4","2","2","4","2","6","1") = "5"
    & skf18("4","2","2","4","2","7","1") = "6"
    & skf18("4","2","2","4","2","8","1") = "7"
    & skf18("4","2","2","4","2","9","1") = "8"
    & skf18("4","2","2","4","2","10","1") = "9"
    & skf18("4","2","2","4","3","1","1") = "3"
    & skf18("4","2","2","4","3","2","1") = "3"
    & skf18("4","2","2","4","3","3","1") = "3"
    & skf18("4","2","2","4","3","4","1") = "3"
    & skf18("4","2","2","4","3","5","1") = "4"
    & skf18("4","2","2","4","3","6","1") = "5"
    & skf18("4","2","2","4","3","7","1") = "6"
    & skf18("4","2","2","4","3","8","1") = "7"
    & skf18("4","2","2","4","3","9","1") = "8"
    & skf18("4","2","2","4","3","10","1") = "9"
    & skf18("4","2","2","4","4","1","1") = "3"
    & skf18("4","2","2","4","4","2","1") = "3"
    & skf18("4","2","2","4","4","3","1") = "3"
    & skf18("4","2","2","4","4","4","1") = "3"
    & skf18("4","2","2","4","4","5","1") = "4"
    & skf18("4","2","2","4","4","6","1") = "5"
    & skf18("4","2","2","4","4","7","1") = "6"
    & skf18("4","2","2","4","4","8","1") = "7"
    & skf18("4","2","2","4","4","9","1") = "8"
    & skf18("4","2","2","4","4","10","1") = "9"
    & skf18("4","2","2","4","5","1","1") = "4"
    & skf18("4","2","2","4","5","2","1") = "4"
    & skf18("4","2","2","4","5","3","1") = "4"
    & skf18("4","2","2","4","5","4","1") = "4"
    & skf18("4","2","2","4","5","5","1") = "4"
    & skf18("4","2","2","4","5","6","1") = "5"
    & skf18("4","2","2","4","5","7","1") = "6"
    & skf18("4","2","2","4","5","8","1") = "7"
    & skf18("4","2","2","4","5","9","1") = "8"
    & skf18("4","2","2","4","5","10","1") = "9"
    & skf18("4","2","2","4","6","1","1") = "5"
    & skf18("4","2","2","4","6","2","1") = "5"
    & skf18("4","2","2","4","6","3","1") = "5"
    & skf18("4","2","2","4","6","4","1") = "5"
    & skf18("4","2","2","4","6","5","1") = "5"
    & skf18("4","2","2","4","6","6","1") = "5"
    & skf18("4","2","2","4","6","7","1") = "6"
    & skf18("4","2","2","4","6","8","1") = "7"
    & skf18("4","2","2","4","6","9","1") = "8"
    & skf18("4","2","2","4","6","10","1") = "9"
    & skf18("4","2","2","4","7","1","1") = "6"
    & skf18("4","2","2","4","7","2","1") = "6"
    & skf18("4","2","2","4","7","3","1") = "6"
    & skf18("4","2","2","4","7","4","1") = "6"
    & skf18("4","2","2","4","7","5","1") = "6"
    & skf18("4","2","2","4","7","6","1") = "6"
    & skf18("4","2","2","4","7","7","1") = "6"
    & skf18("4","2","2","4","7","8","1") = "7"
    & skf18("4","2","2","4","7","9","1") = "8"
    & skf18("4","2","2","4","7","10","1") = "9"
    & skf18("4","2","2","4","8","1","1") = "7"
    & skf18("4","2","2","4","8","2","1") = "7"
    & skf18("4","2","2","4","8","3","1") = "7"
    & skf18("4","2","2","4","8","4","1") = "7"
    & skf18("4","2","2","4","8","5","1") = "7"
    & skf18("4","2","2","4","8","6","1") = "7"
    & skf18("4","2","2","4","8","7","1") = "7"
    & skf18("4","2","2","4","8","8","1") = "7"
    & skf18("4","2","2","4","8","9","1") = "8"
    & skf18("4","2","2","4","8","10","1") = "9"
    & skf18("4","2","2","4","9","1","1") = "8"
    & skf18("4","2","2","4","9","2","1") = "8"
    & skf18("4","2","2","4","9","3","1") = "8"
    & skf18("4","2","2","4","9","4","1") = "8"
    & skf18("4","2","2","4","9","5","1") = "8"
    & skf18("4","2","2","4","9","6","1") = "8"
    & skf18("4","2","2","4","9","7","1") = "8"
    & skf18("4","2","2","4","9","8","1") = "8"
    & skf18("4","2","2","4","9","9","1") = "8"
    & skf18("4","2","2","4","9","10","1") = "9"
    & skf18("4","2","2","4","10","1","1") = "9"
    & skf18("4","2","2","4","10","2","1") = "9"
    & skf18("4","2","2","4","10","3","1") = "9"
    & skf18("4","2","2","4","10","4","1") = "9"
    & skf18("4","2","2","4","10","5","1") = "9"
    & skf18("4","2","2","4","10","6","1") = "9"
    & skf18("4","2","2","4","10","7","1") = "9"
    & skf18("4","2","2","4","10","8","1") = "9"
    & skf18("4","2","2","4","10","9","1") = "9"
    & skf18("4","2","2","4","10","10","1") = "9"
    & skf18("4","2","2","5","1","1","1") = "4"
    & skf18("4","2","2","5","1","2","1") = "4"
    & skf18("4","2","2","5","1","3","1") = "4"
    & skf18("4","2","2","5","1","4","1") = "4"
    & skf18("4","2","2","5","1","5","1") = "4"
    & skf18("4","2","2","5","1","6","1") = "5"
    & skf18("4","2","2","5","1","7","1") = "6"
    & skf18("4","2","2","5","1","8","1") = "7"
    & skf18("4","2","2","5","1","9","1") = "8"
    & skf18("4","2","2","5","1","10","1") = "9"
    & skf18("4","2","2","5","2","1","1") = "4"
    & skf18("4","2","2","5","2","2","1") = "4"
    & skf18("4","2","2","5","2","3","1") = "4"
    & skf18("4","2","2","5","2","4","1") = "4"
    & skf18("4","2","2","5","2","5","1") = "4"
    & skf18("4","2","2","5","2","6","1") = "5"
    & skf18("4","2","2","5","2","7","1") = "6"
    & skf18("4","2","2","5","2","8","1") = "7"
    & skf18("4","2","2","5","2","9","1") = "8"
    & skf18("4","2","2","5","2","10","1") = "9"
    & skf18("4","2","2","5","3","1","1") = "4"
    & skf18("4","2","2","5","3","2","1") = "4"
    & skf18("4","2","2","5","3","3","1") = "4"
    & skf18("4","2","2","5","3","4","1") = "4"
    & skf18("4","2","2","5","3","5","1") = "4"
    & skf18("4","2","2","5","3","6","1") = "5"
    & skf18("4","2","2","5","3","7","1") = "6"
    & skf18("4","2","2","5","3","8","1") = "7"
    & skf18("4","2","2","5","3","9","1") = "8"
    & skf18("4","2","2","5","3","10","1") = "9"
    & skf18("4","2","2","5","4","1","1") = "4"
    & skf18("4","2","2","5","4","2","1") = "4"
    & skf18("4","2","2","5","4","3","1") = "4"
    & skf18("4","2","2","5","4","4","1") = "4"
    & skf18("4","2","2","5","4","5","1") = "4"
    & skf18("4","2","2","5","4","6","1") = "5"
    & skf18("4","2","2","5","4","7","1") = "6"
    & skf18("4","2","2","5","4","8","1") = "7"
    & skf18("4","2","2","5","4","9","1") = "8"
    & skf18("4","2","2","5","4","10","1") = "9"
    & skf18("4","2","2","5","5","1","1") = "4"
    & skf18("4","2","2","5","5","2","1") = "4"
    & skf18("4","2","2","5","5","3","1") = "4"
    & skf18("4","2","2","5","5","4","1") = "4"
    & skf18("4","2","2","5","5","5","1") = "4"
    & skf18("4","2","2","5","5","6","1") = "5"
    & skf18("4","2","2","5","5","7","1") = "6"
    & skf18("4","2","2","5","5","8","1") = "7"
    & skf18("4","2","2","5","5","9","1") = "8"
    & skf18("4","2","2","5","5","10","1") = "9"
    & skf18("4","2","2","5","6","1","1") = "5"
    & skf18("4","2","2","5","6","2","1") = "5"
    & skf18("4","2","2","5","6","3","1") = "5"
    & skf18("4","2","2","5","6","4","1") = "5"
    & skf18("4","2","2","5","6","5","1") = "5"
    & skf18("4","2","2","5","6","6","1") = "5"
    & skf18("4","2","2","5","6","7","1") = "6"
    & skf18("4","2","2","5","6","8","1") = "7"
    & skf18("4","2","2","5","6","9","1") = "8"
    & skf18("4","2","2","5","6","10","1") = "9"
    & skf18("4","2","2","5","7","1","1") = "6"
    & skf18("4","2","2","5","7","2","1") = "6"
    & skf18("4","2","2","5","7","3","1") = "6"
    & skf18("4","2","2","5","7","4","1") = "6"
    & skf18("4","2","2","5","7","5","1") = "6"
    & skf18("4","2","2","5","7","6","1") = "6"
    & skf18("4","2","2","5","7","7","1") = "6"
    & skf18("4","2","2","5","7","8","1") = "7"
    & skf18("4","2","2","5","7","9","1") = "8"
    & skf18("4","2","2","5","7","10","1") = "9"
    & skf18("4","2","2","5","8","1","1") = "7"
    & skf18("4","2","2","5","8","2","1") = "7"
    & skf18("4","2","2","5","8","3","1") = "7"
    & skf18("4","2","2","5","8","4","1") = "7"
    & skf18("4","2","2","5","8","5","1") = "7"
    & skf18("4","2","2","5","8","6","1") = "7"
    & skf18("4","2","2","5","8","7","1") = "7"
    & skf18("4","2","2","5","8","8","1") = "7"
    & skf18("4","2","2","5","8","9","1") = "8"
    & skf18("4","2","2","5","8","10","1") = "9"
    & skf18("4","2","2","5","9","1","1") = "8"
    & skf18("4","2","2","5","9","2","1") = "8"
    & skf18("4","2","2","5","9","3","1") = "8"
    & skf18("4","2","2","5","9","4","1") = "8"
    & skf18("4","2","2","5","9","5","1") = "8"
    & skf18("4","2","2","5","9","6","1") = "8"
    & skf18("4","2","2","5","9","7","1") = "8"
    & skf18("4","2","2","5","9","8","1") = "8"
    & skf18("4","2","2","5","9","9","1") = "8"
    & skf18("4","2","2","5","9","10","1") = "9"
    & skf18("4","2","2","5","10","1","1") = "9"
    & skf18("4","2","2","5","10","2","1") = "9"
    & skf18("4","2","2","5","10","3","1") = "9"
    & skf18("4","2","2","5","10","4","1") = "9"
    & skf18("4","2","2","5","10","5","1") = "9"
    & skf18("4","2","2","5","10","6","1") = "9"
    & skf18("4","2","2","5","10","7","1") = "9"
    & skf18("4","2","2","5","10","8","1") = "9"
    & skf18("4","2","2","5","10","9","1") = "9"
    & skf18("4","2","2","5","10","10","1") = "9"
    & skf18("4","2","2","6","1","1","1") = "5"
    & skf18("4","2","2","6","1","2","1") = "5"
    & skf18("4","2","2","6","1","3","1") = "5"
    & skf18("4","2","2","6","1","4","1") = "5"
    & skf18("4","2","2","6","1","5","1") = "5"
    & skf18("4","2","2","6","1","6","1") = "5"
    & skf18("4","2","2","6","1","7","1") = "6"
    & skf18("4","2","2","6","1","8","1") = "7"
    & skf18("4","2","2","6","1","9","1") = "8"
    & skf18("4","2","2","6","1","10","1") = "9"
    & skf18("4","2","2","6","2","1","1") = "5"
    & skf18("4","2","2","6","2","2","1") = "5"
    & skf18("4","2","2","6","2","3","1") = "5"
    & skf18("4","2","2","6","2","4","1") = "5"
    & skf18("4","2","2","6","2","5","1") = "5"
    & skf18("4","2","2","6","2","6","1") = "5"
    & skf18("4","2","2","6","2","7","1") = "6"
    & skf18("4","2","2","6","2","8","1") = "7"
    & skf18("4","2","2","6","2","9","1") = "8"
    & skf18("4","2","2","6","2","10","1") = "9"
    & skf18("4","2","2","6","3","1","1") = "5"
    & skf18("4","2","2","6","3","2","1") = "5"
    & skf18("4","2","2","6","3","3","1") = "5"
    & skf18("4","2","2","6","3","4","1") = "5"
    & skf18("4","2","2","6","3","5","1") = "5"
    & skf18("4","2","2","6","3","6","1") = "5"
    & skf18("4","2","2","6","3","7","1") = "6"
    & skf18("4","2","2","6","3","8","1") = "7"
    & skf18("4","2","2","6","3","9","1") = "8"
    & skf18("4","2","2","6","3","10","1") = "9"
    & skf18("4","2","2","6","4","1","1") = "5"
    & skf18("4","2","2","6","4","2","1") = "5"
    & skf18("4","2","2","6","4","3","1") = "5"
    & skf18("4","2","2","6","4","4","1") = "5"
    & skf18("4","2","2","6","4","5","1") = "5"
    & skf18("4","2","2","6","4","6","1") = "5"
    & skf18("4","2","2","6","4","7","1") = "6"
    & skf18("4","2","2","6","4","8","1") = "7"
    & skf18("4","2","2","6","4","9","1") = "8"
    & skf18("4","2","2","6","4","10","1") = "9"
    & skf18("4","2","2","6","5","1","1") = "5"
    & skf18("4","2","2","6","5","2","1") = "5"
    & skf18("4","2","2","6","5","3","1") = "5"
    & skf18("4","2","2","6","5","4","1") = "5"
    & skf18("4","2","2","6","5","5","1") = "5"
    & skf18("4","2","2","6","5","6","1") = "5"
    & skf18("4","2","2","6","5","7","1") = "6"
    & skf18("4","2","2","6","5","8","1") = "7"
    & skf18("4","2","2","6","5","9","1") = "8"
    & skf18("4","2","2","6","5","10","1") = "9"
    & skf18("4","2","2","6","6","1","1") = "5"
    & skf18("4","2","2","6","6","2","1") = "5"
    & skf18("4","2","2","6","6","3","1") = "5"
    & skf18("4","2","2","6","6","4","1") = "5"
    & skf18("4","2","2","6","6","5","1") = "5"
    & skf18("4","2","2","6","6","6","1") = "5"
    & skf18("4","2","2","6","6","7","1") = "6"
    & skf18("4","2","2","6","6","8","1") = "7"
    & skf18("4","2","2","6","6","9","1") = "8"
    & skf18("4","2","2","6","6","10","1") = "9"
    & skf18("4","2","2","6","7","1","1") = "6"
    & skf18("4","2","2","6","7","2","1") = "6"
    & skf18("4","2","2","6","7","3","1") = "6"
    & skf18("4","2","2","6","7","4","1") = "6"
    & skf18("4","2","2","6","7","5","1") = "6"
    & skf18("4","2","2","6","7","6","1") = "6"
    & skf18("4","2","2","6","7","7","1") = "6"
    & skf18("4","2","2","6","7","8","1") = "7"
    & skf18("4","2","2","6","7","9","1") = "8"
    & skf18("4","2","2","6","7","10","1") = "9"
    & skf18("4","2","2","6","8","1","1") = "7"
    & skf18("4","2","2","6","8","2","1") = "7"
    & skf18("4","2","2","6","8","3","1") = "7"
    & skf18("4","2","2","6","8","4","1") = "7"
    & skf18("4","2","2","6","8","5","1") = "7"
    & skf18("4","2","2","6","8","6","1") = "7"
    & skf18("4","2","2","6","8","7","1") = "7"
    & skf18("4","2","2","6","8","8","1") = "7"
    & skf18("4","2","2","6","8","9","1") = "8"
    & skf18("4","2","2","6","8","10","1") = "9"
    & skf18("4","2","2","6","9","1","1") = "8"
    & skf18("4","2","2","6","9","2","1") = "8"
    & skf18("4","2","2","6","9","3","1") = "8"
    & skf18("4","2","2","6","9","4","1") = "8"
    & skf18("4","2","2","6","9","5","1") = "8"
    & skf18("4","2","2","6","9","6","1") = "8"
    & skf18("4","2","2","6","9","7","1") = "8"
    & skf18("4","2","2","6","9","8","1") = "8"
    & skf18("4","2","2","6","9","9","1") = "8"
    & skf18("4","2","2","6","9","10","1") = "9"
    & skf18("4","2","2","6","10","1","1") = "9"
    & skf18("4","2","2","6","10","2","1") = "9"
    & skf18("4","2","2","6","10","3","1") = "9"
    & skf18("4","2","2","6","10","4","1") = "9"
    & skf18("4","2","2","6","10","5","1") = "9"
    & skf18("4","2","2","6","10","6","1") = "9"
    & skf18("4","2","2","6","10","7","1") = "9"
    & skf18("4","2","2","6","10","8","1") = "9"
    & skf18("4","2","2","6","10","9","1") = "9"
    & skf18("4","2","2","6","10","10","1") = "9"
    & skf18("4","2","2","7","1","1","1") = "6"
    & skf18("4","2","2","7","1","2","1") = "6"
    & skf18("4","2","2","7","1","3","1") = "6"
    & skf18("4","2","2","7","1","4","1") = "6"
    & skf18("4","2","2","7","1","5","1") = "6"
    & skf18("4","2","2","7","1","6","1") = "6"
    & skf18("4","2","2","7","1","7","1") = "6"
    & skf18("4","2","2","7","1","8","1") = "7"
    & skf18("4","2","2","7","1","9","1") = "8"
    & skf18("4","2","2","7","1","10","1") = "9"
    & skf18("4","2","2","7","2","1","1") = "6"
    & skf18("4","2","2","7","2","2","1") = "6"
    & skf18("4","2","2","7","2","3","1") = "6"
    & skf18("4","2","2","7","2","4","1") = "6"
    & skf18("4","2","2","7","2","5","1") = "6"
    & skf18("4","2","2","7","2","6","1") = "6"
    & skf18("4","2","2","7","2","7","1") = "6"
    & skf18("4","2","2","7","2","8","1") = "7"
    & skf18("4","2","2","7","2","9","1") = "8"
    & skf18("4","2","2","7","2","10","1") = "9"
    & skf18("4","2","2","7","3","1","1") = "6"
    & skf18("4","2","2","7","3","2","1") = "6"
    & skf18("4","2","2","7","3","3","1") = "6"
    & skf18("4","2","2","7","3","4","1") = "6"
    & skf18("4","2","2","7","3","5","1") = "6"
    & skf18("4","2","2","7","3","6","1") = "6"
    & skf18("4","2","2","7","3","7","1") = "6"
    & skf18("4","2","2","7","3","8","1") = "7"
    & skf18("4","2","2","7","3","9","1") = "8"
    & skf18("4","2","2","7","3","10","1") = "9"
    & skf18("4","2","2","7","4","1","1") = "6"
    & skf18("4","2","2","7","4","2","1") = "6"
    & skf18("4","2","2","7","4","3","1") = "6"
    & skf18("4","2","2","7","4","4","1") = "6"
    & skf18("4","2","2","7","4","5","1") = "6"
    & skf18("4","2","2","7","4","6","1") = "6"
    & skf18("4","2","2","7","4","7","1") = "6"
    & skf18("4","2","2","7","4","8","1") = "7"
    & skf18("4","2","2","7","4","9","1") = "8"
    & skf18("4","2","2","7","4","10","1") = "9"
    & skf18("4","2","2","7","5","1","1") = "6"
    & skf18("4","2","2","7","5","2","1") = "6"
    & skf18("4","2","2","7","5","3","1") = "6"
    & skf18("4","2","2","7","5","4","1") = "6"
    & skf18("4","2","2","7","5","5","1") = "6"
    & skf18("4","2","2","7","5","6","1") = "6"
    & skf18("4","2","2","7","5","7","1") = "6"
    & skf18("4","2","2","7","5","8","1") = "7"
    & skf18("4","2","2","7","5","9","1") = "8"
    & skf18("4","2","2","7","5","10","1") = "9"
    & skf18("4","2","2","7","6","1","1") = "6"
    & skf18("4","2","2","7","6","2","1") = "6"
    & skf18("4","2","2","7","6","3","1") = "6"
    & skf18("4","2","2","7","6","4","1") = "6"
    & skf18("4","2","2","7","6","5","1") = "6"
    & skf18("4","2","2","7","6","6","1") = "6"
    & skf18("4","2","2","7","6","7","1") = "6"
    & skf18("4","2","2","7","6","8","1") = "7"
    & skf18("4","2","2","7","6","9","1") = "8"
    & skf18("4","2","2","7","6","10","1") = "9"
    & skf18("4","2","2","7","7","1","1") = "6"
    & skf18("4","2","2","7","7","2","1") = "6"
    & skf18("4","2","2","7","7","3","1") = "6"
    & skf18("4","2","2","7","7","4","1") = "6"
    & skf18("4","2","2","7","7","5","1") = "6"
    & skf18("4","2","2","7","7","6","1") = "6"
    & skf18("4","2","2","7","7","7","1") = "6"
    & skf18("4","2","2","7","7","8","1") = "7"
    & skf18("4","2","2","7","7","9","1") = "8"
    & skf18("4","2","2","7","7","10","1") = "9"
    & skf18("4","2","2","7","8","1","1") = "7"
    & skf18("4","2","2","7","8","2","1") = "7"
    & skf18("4","2","2","7","8","3","1") = "7"
    & skf18("4","2","2","7","8","4","1") = "7"
    & skf18("4","2","2","7","8","5","1") = "7"
    & skf18("4","2","2","7","8","6","1") = "7"
    & skf18("4","2","2","7","8","7","1") = "7"
    & skf18("4","2","2","7","8","8","1") = "7"
    & skf18("4","2","2","7","8","9","1") = "8"
    & skf18("4","2","2","7","8","10","1") = "9"
    & skf18("4","2","2","7","9","1","1") = "8"
    & skf18("4","2","2","7","9","2","1") = "8"
    & skf18("4","2","2","7","9","3","1") = "8"
    & skf18("4","2","2","7","9","4","1") = "8"
    & skf18("4","2","2","7","9","5","1") = "8"
    & skf18("4","2","2","7","9","6","1") = "8"
    & skf18("4","2","2","7","9","7","1") = "8"
    & skf18("4","2","2","7","9","8","1") = "8"
    & skf18("4","2","2","7","9","9","1") = "8"
    & skf18("4","2","2","7","9","10","1") = "9"
    & skf18("4","2","2","7","10","1","1") = "9"
    & skf18("4","2","2","7","10","2","1") = "9"
    & skf18("4","2","2","7","10","3","1") = "9"
    & skf18("4","2","2","7","10","4","1") = "9"
    & skf18("4","2","2","7","10","5","1") = "9"
    & skf18("4","2","2","7","10","6","1") = "9"
    & skf18("4","2","2","7","10","7","1") = "9"
    & skf18("4","2","2","7","10","8","1") = "9"
    & skf18("4","2","2","7","10","9","1") = "9"
    & skf18("4","2","2","7","10","10","1") = "9"
    & skf18("4","2","2","8","1","1","1") = "7"
    & skf18("4","2","2","8","1","2","1") = "7"
    & skf18("4","2","2","8","1","3","1") = "7"
    & skf18("4","2","2","8","1","4","1") = "7"
    & skf18("4","2","2","8","1","5","1") = "7"
    & skf18("4","2","2","8","1","6","1") = "7"
    & skf18("4","2","2","8","1","7","1") = "7"
    & skf18("4","2","2","8","1","8","1") = "7"
    & skf18("4","2","2","8","1","9","1") = "8"
    & skf18("4","2","2","8","1","10","1") = "9"
    & skf18("4","2","2","8","2","1","1") = "7"
    & skf18("4","2","2","8","2","2","1") = "7"
    & skf18("4","2","2","8","2","3","1") = "7"
    & skf18("4","2","2","8","2","4","1") = "7"
    & skf18("4","2","2","8","2","5","1") = "7"
    & skf18("4","2","2","8","2","6","1") = "7"
    & skf18("4","2","2","8","2","7","1") = "7"
    & skf18("4","2","2","8","2","8","1") = "7"
    & skf18("4","2","2","8","2","9","1") = "8"
    & skf18("4","2","2","8","2","10","1") = "9"
    & skf18("4","2","2","8","3","1","1") = "7"
    & skf18("4","2","2","8","3","2","1") = "7"
    & skf18("4","2","2","8","3","3","1") = "7"
    & skf18("4","2","2","8","3","4","1") = "7"
    & skf18("4","2","2","8","3","5","1") = "7"
    & skf18("4","2","2","8","3","6","1") = "7"
    & skf18("4","2","2","8","3","7","1") = "7"
    & skf18("4","2","2","8","3","8","1") = "7"
    & skf18("4","2","2","8","3","9","1") = "8"
    & skf18("4","2","2","8","3","10","1") = "9"
    & skf18("4","2","2","8","4","1","1") = "7"
    & skf18("4","2","2","8","4","2","1") = "7"
    & skf18("4","2","2","8","4","3","1") = "7"
    & skf18("4","2","2","8","4","4","1") = "7"
    & skf18("4","2","2","8","4","5","1") = "7"
    & skf18("4","2","2","8","4","6","1") = "7"
    & skf18("4","2","2","8","4","7","1") = "7"
    & skf18("4","2","2","8","4","8","1") = "7"
    & skf18("4","2","2","8","4","9","1") = "8"
    & skf18("4","2","2","8","4","10","1") = "9"
    & skf18("4","2","2","8","5","1","1") = "7"
    & skf18("4","2","2","8","5","2","1") = "7"
    & skf18("4","2","2","8","5","3","1") = "7"
    & skf18("4","2","2","8","5","4","1") = "7"
    & skf18("4","2","2","8","5","5","1") = "7"
    & skf18("4","2","2","8","5","6","1") = "7"
    & skf18("4","2","2","8","5","7","1") = "7"
    & skf18("4","2","2","8","5","8","1") = "7"
    & skf18("4","2","2","8","5","9","1") = "8"
    & skf18("4","2","2","8","5","10","1") = "9"
    & skf18("4","2","2","8","6","1","1") = "7"
    & skf18("4","2","2","8","6","2","1") = "7"
    & skf18("4","2","2","8","6","3","1") = "7"
    & skf18("4","2","2","8","6","4","1") = "7"
    & skf18("4","2","2","8","6","5","1") = "7"
    & skf18("4","2","2","8","6","6","1") = "7"
    & skf18("4","2","2","8","6","7","1") = "7"
    & skf18("4","2","2","8","6","8","1") = "7"
    & skf18("4","2","2","8","6","9","1") = "8"
    & skf18("4","2","2","8","6","10","1") = "9"
    & skf18("4","2","2","8","7","1","1") = "7"
    & skf18("4","2","2","8","7","2","1") = "7"
    & skf18("4","2","2","8","7","3","1") = "7"
    & skf18("4","2","2","8","7","4","1") = "7"
    & skf18("4","2","2","8","7","5","1") = "7"
    & skf18("4","2","2","8","7","6","1") = "7"
    & skf18("4","2","2","8","7","7","1") = "7"
    & skf18("4","2","2","8","7","8","1") = "7"
    & skf18("4","2","2","8","7","9","1") = "8"
    & skf18("4","2","2","8","7","10","1") = "9"
    & skf18("4","2","2","8","8","1","1") = "7"
    & skf18("4","2","2","8","8","2","1") = "7"
    & skf18("4","2","2","8","8","3","1") = "7"
    & skf18("4","2","2","8","8","4","1") = "7"
    & skf18("4","2","2","8","8","5","1") = "7"
    & skf18("4","2","2","8","8","6","1") = "7"
    & skf18("4","2","2","8","8","7","1") = "7"
    & skf18("4","2","2","8","8","8","1") = "7"
    & skf18("4","2","2","8","8","9","1") = "8"
    & skf18("4","2","2","8","8","10","1") = "9"
    & skf18("4","2","2","8","9","1","1") = "8"
    & skf18("4","2","2","8","9","2","1") = "8"
    & skf18("4","2","2","8","9","3","1") = "8"
    & skf18("4","2","2","8","9","4","1") = "8"
    & skf18("4","2","2","8","9","5","1") = "8"
    & skf18("4","2","2","8","9","6","1") = "8"
    & skf18("4","2","2","8","9","7","1") = "8"
    & skf18("4","2","2","8","9","8","1") = "8"
    & skf18("4","2","2","8","9","9","1") = "8"
    & skf18("4","2","2","8","9","10","1") = "9"
    & skf18("4","2","2","8","10","1","1") = "9"
    & skf18("4","2","2","8","10","2","1") = "9"
    & skf18("4","2","2","8","10","3","1") = "9"
    & skf18("4","2","2","8","10","4","1") = "9"
    & skf18("4","2","2","8","10","5","1") = "9"
    & skf18("4","2","2","8","10","6","1") = "9"
    & skf18("4","2","2","8","10","7","1") = "9"
    & skf18("4","2","2","8","10","8","1") = "9"
    & skf18("4","2","2","8","10","9","1") = "9"
    & skf18("4","2","2","8","10","10","1") = "9"
    & skf18("4","2","2","9","1","1","1") = "8"
    & skf18("4","2","2","9","1","2","1") = "8"
    & skf18("4","2","2","9","1","3","1") = "8"
    & skf18("4","2","2","9","1","4","1") = "8"
    & skf18("4","2","2","9","1","5","1") = "8"
    & skf18("4","2","2","9","1","6","1") = "8"
    & skf18("4","2","2","9","1","7","1") = "8"
    & skf18("4","2","2","9","1","8","1") = "8"
    & skf18("4","2","2","9","1","9","1") = "8"
    & skf18("4","2","2","9","1","10","1") = "9"
    & skf18("4","2","2","9","2","1","1") = "8"
    & skf18("4","2","2","9","2","2","1") = "8"
    & skf18("4","2","2","9","2","3","1") = "8"
    & skf18("4","2","2","9","2","4","1") = "8"
    & skf18("4","2","2","9","2","5","1") = "8"
    & skf18("4","2","2","9","2","6","1") = "8"
    & skf18("4","2","2","9","2","7","1") = "8"
    & skf18("4","2","2","9","2","8","1") = "8"
    & skf18("4","2","2","9","2","9","1") = "8"
    & skf18("4","2","2","9","2","10","1") = "9"
    & skf18("4","2","2","9","3","1","1") = "8"
    & skf18("4","2","2","9","3","2","1") = "8"
    & skf18("4","2","2","9","3","3","1") = "8"
    & skf18("4","2","2","9","3","4","1") = "8"
    & skf18("4","2","2","9","3","5","1") = "8"
    & skf18("4","2","2","9","3","6","1") = "8"
    & skf18("4","2","2","9","3","7","1") = "8"
    & skf18("4","2","2","9","3","8","1") = "8"
    & skf18("4","2","2","9","3","9","1") = "8"
    & skf18("4","2","2","9","3","10","1") = "9"
    & skf18("4","2","2","9","4","1","1") = "8"
    & skf18("4","2","2","9","4","2","1") = "8"
    & skf18("4","2","2","9","4","3","1") = "8"
    & skf18("4","2","2","9","4","4","1") = "8"
    & skf18("4","2","2","9","4","5","1") = "8"
    & skf18("4","2","2","9","4","6","1") = "8"
    & skf18("4","2","2","9","4","7","1") = "8"
    & skf18("4","2","2","9","4","8","1") = "8"
    & skf18("4","2","2","9","4","9","1") = "8"
    & skf18("4","2","2","9","4","10","1") = "9"
    & skf18("4","2","2","9","5","1","1") = "8"
    & skf18("4","2","2","9","5","2","1") = "8"
    & skf18("4","2","2","9","5","3","1") = "8"
    & skf18("4","2","2","9","5","4","1") = "8"
    & skf18("4","2","2","9","5","5","1") = "8"
    & skf18("4","2","2","9","5","6","1") = "8"
    & skf18("4","2","2","9","5","7","1") = "8"
    & skf18("4","2","2","9","5","8","1") = "8"
    & skf18("4","2","2","9","5","9","1") = "8"
    & skf18("4","2","2","9","5","10","1") = "9"
    & skf18("4","2","2","9","6","1","1") = "8"
    & skf18("4","2","2","9","6","2","1") = "8"
    & skf18("4","2","2","9","6","3","1") = "8"
    & skf18("4","2","2","9","6","4","1") = "8"
    & skf18("4","2","2","9","6","5","1") = "8"
    & skf18("4","2","2","9","6","6","1") = "8"
    & skf18("4","2","2","9","6","7","1") = "8"
    & skf18("4","2","2","9","6","8","1") = "8"
    & skf18("4","2","2","9","6","9","1") = "8"
    & skf18("4","2","2","9","6","10","1") = "9"
    & skf18("4","2","2","9","7","1","1") = "8"
    & skf18("4","2","2","9","7","2","1") = "8"
    & skf18("4","2","2","9","7","3","1") = "8"
    & skf18("4","2","2","9","7","4","1") = "8"
    & skf18("4","2","2","9","7","5","1") = "8"
    & skf18("4","2","2","9","7","6","1") = "8"
    & skf18("4","2","2","9","7","7","1") = "8"
    & skf18("4","2","2","9","7","8","1") = "8"
    & skf18("4","2","2","9","7","9","1") = "8"
    & skf18("4","2","2","9","7","10","1") = "9"
    & skf18("4","2","2","9","8","1","1") = "8"
    & skf18("4","2","2","9","8","2","1") = "8"
    & skf18("4","2","2","9","8","3","1") = "8"
    & skf18("4","2","2","9","8","4","1") = "8"
    & skf18("4","2","2","9","8","5","1") = "8"
    & skf18("4","2","2","9","8","6","1") = "8"
    & skf18("4","2","2","9","8","7","1") = "8"
    & skf18("4","2","2","9","8","8","1") = "8"
    & skf18("4","2","2","9","8","9","1") = "8"
    & skf18("4","2","2","9","8","10","1") = "9"
    & skf18("4","2","2","9","9","1","1") = "8"
    & skf18("4","2","2","9","9","2","1") = "8"
    & skf18("4","2","2","9","9","3","1") = "8"
    & skf18("4","2","2","9","9","4","1") = "8"
    & skf18("4","2","2","9","9","5","1") = "8"
    & skf18("4","2","2","9","9","6","1") = "8"
    & skf18("4","2","2","9","9","7","1") = "8"
    & skf18("4","2","2","9","9","8","1") = "8"
    & skf18("4","2","2","9","9","9","1") = "8"
    & skf18("4","2","2","9","9","10","1") = "9"
    & skf18("4","2","2","9","10","1","1") = "9"
    & skf18("4","2","2","9","10","2","1") = "9"
    & skf18("4","2","2","9","10","3","1") = "9"
    & skf18("4","2","2","9","10","4","1") = "9"
    & skf18("4","2","2","9","10","5","1") = "9"
    & skf18("4","2","2","9","10","6","1") = "9"
    & skf18("4","2","2","9","10","7","1") = "9"
    & skf18("4","2","2","9","10","8","1") = "9"
    & skf18("4","2","2","9","10","9","1") = "9"
    & skf18("4","2","2","9","10","10","1") = "9"
    & skf18("4","2","2","10","1","1","1") = "9"
    & skf18("4","2","2","10","1","2","1") = "9"
    & skf18("4","2","2","10","1","3","1") = "9"
    & skf18("4","2","2","10","1","4","1") = "9"
    & skf18("4","2","2","10","1","5","1") = "9"
    & skf18("4","2","2","10","1","6","1") = "9"
    & skf18("4","2","2","10","1","7","1") = "9"
    & skf18("4","2","2","10","1","8","1") = "9"
    & skf18("4","2","2","10","1","9","1") = "9"
    & skf18("4","2","2","10","1","10","1") = "9"
    & skf18("4","2","2","10","2","1","1") = "9"
    & skf18("4","2","2","10","2","2","1") = "9"
    & skf18("4","2","2","10","2","3","1") = "9"
    & skf18("4","2","2","10","2","4","1") = "9"
    & skf18("4","2","2","10","2","5","1") = "9"
    & skf18("4","2","2","10","2","6","1") = "9"
    & skf18("4","2","2","10","2","7","1") = "9"
    & skf18("4","2","2","10","2","8","1") = "9"
    & skf18("4","2","2","10","2","9","1") = "9"
    & skf18("4","2","2","10","2","10","1") = "9"
    & skf18("4","2","2","10","3","1","1") = "9"
    & skf18("4","2","2","10","3","2","1") = "9"
    & skf18("4","2","2","10","3","3","1") = "9"
    & skf18("4","2","2","10","3","4","1") = "9"
    & skf18("4","2","2","10","3","5","1") = "9"
    & skf18("4","2","2","10","3","6","1") = "9"
    & skf18("4","2","2","10","3","7","1") = "9"
    & skf18("4","2","2","10","3","8","1") = "9"
    & skf18("4","2","2","10","3","9","1") = "9"
    & skf18("4","2","2","10","3","10","1") = "9"
    & skf18("4","2","2","10","4","1","1") = "9"
    & skf18("4","2","2","10","4","2","1") = "9"
    & skf18("4","2","2","10","4","3","1") = "9"
    & skf18("4","2","2","10","4","4","1") = "9"
    & skf18("4","2","2","10","4","5","1") = "9"
    & skf18("4","2","2","10","4","6","1") = "9"
    & skf18("4","2","2","10","4","7","1") = "9"
    & skf18("4","2","2","10","4","8","1") = "9"
    & skf18("4","2","2","10","4","9","1") = "9"
    & skf18("4","2","2","10","4","10","1") = "9"
    & skf18("4","2","2","10","5","1","1") = "9"
    & skf18("4","2","2","10","5","2","1") = "9"
    & skf18("4","2","2","10","5","3","1") = "9"
    & skf18("4","2","2","10","5","4","1") = "9"
    & skf18("4","2","2","10","5","5","1") = "9"
    & skf18("4","2","2","10","5","6","1") = "9"
    & skf18("4","2","2","10","5","7","1") = "9"
    & skf18("4","2","2","10","5","8","1") = "9"
    & skf18("4","2","2","10","5","9","1") = "9"
    & skf18("4","2","2","10","5","10","1") = "9"
    & skf18("4","2","2","10","6","1","1") = "9"
    & skf18("4","2","2","10","6","2","1") = "9"
    & skf18("4","2","2","10","6","3","1") = "9"
    & skf18("4","2","2","10","6","4","1") = "9"
    & skf18("4","2","2","10","6","5","1") = "9"
    & skf18("4","2","2","10","6","6","1") = "9"
    & skf18("4","2","2","10","6","7","1") = "9"
    & skf18("4","2","2","10","6","8","1") = "9"
    & skf18("4","2","2","10","6","9","1") = "9"
    & skf18("4","2","2","10","6","10","1") = "9"
    & skf18("4","2","2","10","7","1","1") = "9"
    & skf18("4","2","2","10","7","2","1") = "9"
    & skf18("4","2","2","10","7","3","1") = "9"
    & skf18("4","2","2","10","7","4","1") = "9"
    & skf18("4","2","2","10","7","5","1") = "9"
    & skf18("4","2","2","10","7","6","1") = "9"
    & skf18("4","2","2","10","7","7","1") = "9"
    & skf18("4","2","2","10","7","8","1") = "9"
    & skf18("4","2","2","10","7","9","1") = "9"
    & skf18("4","2","2","10","7","10","1") = "9"
    & skf18("4","2","2","10","8","1","1") = "9"
    & skf18("4","2","2","10","8","2","1") = "9"
    & skf18("4","2","2","10","8","3","1") = "9"
    & skf18("4","2","2","10","8","4","1") = "9"
    & skf18("4","2","2","10","8","5","1") = "9"
    & skf18("4","2","2","10","8","6","1") = "9"
    & skf18("4","2","2","10","8","7","1") = "9"
    & skf18("4","2","2","10","8","8","1") = "9"
    & skf18("4","2","2","10","8","9","1") = "9"
    & skf18("4","2","2","10","8","10","1") = "9"
    & skf18("4","2","2","10","9","1","1") = "9"
    & skf18("4","2","2","10","9","2","1") = "9"
    & skf18("4","2","2","10","9","3","1") = "9"
    & skf18("4","2","2","10","9","4","1") = "9"
    & skf18("4","2","2","10","9","5","1") = "9"
    & skf18("4","2","2","10","9","6","1") = "9"
    & skf18("4","2","2","10","9","7","1") = "9"
    & skf18("4","2","2","10","9","8","1") = "9"
    & skf18("4","2","2","10","9","9","1") = "9"
    & skf18("4","2","2","10","9","10","1") = "9"
    & skf18("4","2","2","10","10","1","1") = "9"
    & skf18("4","2","2","10","10","2","1") = "9"
    & skf18("4","2","2","10","10","3","1") = "9"
    & skf18("4","2","2","10","10","4","1") = "9"
    & skf18("4","2","2","10","10","5","1") = "9"
    & skf18("4","2","2","10","10","6","1") = "9"
    & skf18("4","2","2","10","10","7","1") = "9"
    & skf18("4","2","2","10","10","8","1") = "9"
    & skf18("4","2","2","10","10","9","1") = "9"
    & skf18("4","2","2","10","10","10","1") = "9"
    & skf18("4","2","3","1","1","1","1") = "3"
    & skf18("4","2","3","1","1","2","1") = "3"
    & skf18("4","2","3","1","1","3","1") = "3"
    & skf18("4","2","3","1","1","4","1") = "3"
    & skf18("4","2","3","1","1","5","1") = "4"
    & skf18("4","2","3","1","1","6","1") = "5"
    & skf18("4","2","3","1","1","7","1") = "6"
    & skf18("4","2","3","1","1","8","1") = "7"
    & skf18("4","2","3","1","1","9","1") = "8"
    & skf18("4","2","3","1","1","10","1") = "9"
    & skf18("4","2","3","1","2","1","1") = "3"
    & skf18("4","2","3","1","2","2","1") = "3"
    & skf18("4","2","3","1","2","3","1") = "3"
    & skf18("4","2","3","1","2","4","1") = "3"
    & skf18("4","2","3","1","2","5","1") = "4"
    & skf18("4","2","3","1","2","6","1") = "5"
    & skf18("4","2","3","1","2","7","1") = "6"
    & skf18("4","2","3","1","2","8","1") = "7"
    & skf18("4","2","3","1","2","9","1") = "8"
    & skf18("4","2","3","1","2","10","1") = "9"
    & skf18("4","2","3","1","3","1","1") = "3"
    & skf18("4","2","3","1","3","2","1") = "3"
    & skf18("4","2","3","1","3","3","1") = "3"
    & skf18("4","2","3","1","3","4","1") = "3"
    & skf18("4","2","3","1","3","5","1") = "4"
    & skf18("4","2","3","1","3","6","1") = "5"
    & skf18("4","2","3","1","3","7","1") = "6"
    & skf18("4","2","3","1","3","8","1") = "7"
    & skf18("4","2","3","1","3","9","1") = "8"
    & skf18("4","2","3","1","3","10","1") = "9"
    & skf18("4","2","3","1","4","1","1") = "3"
    & skf18("4","2","3","1","4","2","1") = "3"
    & skf18("4","2","3","1","4","3","1") = "3"
    & skf18("4","2","3","1","4","4","1") = "3"
    & skf18("4","2","3","1","4","5","1") = "4"
    & skf18("4","2","3","1","4","6","1") = "5"
    & skf18("4","2","3","1","4","7","1") = "6"
    & skf18("4","2","3","1","4","8","1") = "7"
    & skf18("4","2","3","1","4","9","1") = "8"
    & skf18("4","2","3","1","4","10","1") = "9"
    & skf18("4","2","3","1","5","1","1") = "4"
    & skf18("4","2","3","1","5","2","1") = "4"
    & skf18("4","2","3","1","5","3","1") = "4"
    & skf18("4","2","3","1","5","4","1") = "4"
    & skf18("4","2","3","1","5","5","1") = "4"
    & skf18("4","2","3","1","5","6","1") = "5"
    & skf18("4","2","3","1","5","7","1") = "6"
    & skf18("4","2","3","1","5","8","1") = "7"
    & skf18("4","2","3","1","5","9","1") = "8"
    & skf18("4","2","3","1","5","10","1") = "9"
    & skf18("4","2","3","1","6","1","1") = "5"
    & skf18("4","2","3","1","6","2","1") = "5"
    & skf18("4","2","3","1","6","3","1") = "5"
    & skf18("4","2","3","1","6","4","1") = "5"
    & skf18("4","2","3","1","6","5","1") = "5"
    & skf18("4","2","3","1","6","6","1") = "5"
    & skf18("4","2","3","1","6","7","1") = "6"
    & skf18("4","2","3","1","6","8","1") = "7"
    & skf18("4","2","3","1","6","9","1") = "8"
    & skf18("4","2","3","1","6","10","1") = "9"
    & skf18("4","2","3","1","7","1","1") = "6"
    & skf18("4","2","3","1","7","2","1") = "6"
    & skf18("4","2","3","1","7","3","1") = "6"
    & skf18("4","2","3","1","7","4","1") = "6"
    & skf18("4","2","3","1","7","5","1") = "6"
    & skf18("4","2","3","1","7","6","1") = "6"
    & skf18("4","2","3","1","7","7","1") = "6"
    & skf18("4","2","3","1","7","8","1") = "7"
    & skf18("4","2","3","1","7","9","1") = "8"
    & skf18("4","2","3","1","7","10","1") = "9"
    & skf18("4","2","3","1","8","1","1") = "7"
    & skf18("4","2","3","1","8","2","1") = "7"
    & skf18("4","2","3","1","8","3","1") = "7"
    & skf18("4","2","3","1","8","4","1") = "7"
    & skf18("4","2","3","1","8","5","1") = "7"
    & skf18("4","2","3","1","8","6","1") = "7"
    & skf18("4","2","3","1","8","7","1") = "7"
    & skf18("4","2","3","1","8","8","1") = "7"
    & skf18("4","2","3","1","8","9","1") = "8"
    & skf18("4","2","3","1","8","10","1") = "9"
    & skf18("4","2","3","1","9","1","1") = "8"
    & skf18("4","2","3","1","9","2","1") = "8"
    & skf18("4","2","3","1","9","3","1") = "8"
    & skf18("4","2","3","1","9","4","1") = "8"
    & skf18("4","2","3","1","9","5","1") = "8"
    & skf18("4","2","3","1","9","6","1") = "8"
    & skf18("4","2","3","1","9","7","1") = "8"
    & skf18("4","2","3","1","9","8","1") = "8"
    & skf18("4","2","3","1","9","9","1") = "8"
    & skf18("4","2","3","1","9","10","1") = "9"
    & skf18("4","2","3","1","10","1","1") = "9"
    & skf18("4","2","3","1","10","2","1") = "9"
    & skf18("4","2","3","1","10","3","1") = "9"
    & skf18("4","2","3","1","10","4","1") = "9"
    & skf18("4","2","3","1","10","5","1") = "9"
    & skf18("4","2","3","1","10","6","1") = "9"
    & skf18("4","2","3","1","10","7","1") = "9"
    & skf18("4","2","3","1","10","8","1") = "9"
    & skf18("4","2","3","1","10","9","1") = "9"
    & skf18("4","2","3","1","10","10","1") = "9"
    & skf18("4","2","3","2","1","1","1") = "3"
    & skf18("4","2","3","2","1","2","1") = "3"
    & skf18("4","2","3","2","1","3","1") = "3"
    & skf18("4","2","3","2","1","4","1") = "3"
    & skf18("4","2","3","2","1","5","1") = "4"
    & skf18("4","2","3","2","1","6","1") = "5"
    & skf18("4","2","3","2","1","7","1") = "6"
    & skf18("4","2","3","2","1","8","1") = "7"
    & skf18("4","2","3","2","1","9","1") = "8"
    & skf18("4","2","3","2","1","10","1") = "9"
    & skf18("4","2","3","2","2","1","1") = "3"
    & skf18("4","2","3","2","2","2","1") = "3"
    & skf18("4","2","3","2","2","3","1") = "3"
    & skf18("4","2","3","2","2","4","1") = "3"
    & skf18("4","2","3","2","2","5","1") = "4"
    & skf18("4","2","3","2","2","6","1") = "5"
    & skf18("4","2","3","2","2","7","1") = "6"
    & skf18("4","2","3","2","2","8","1") = "7"
    & skf18("4","2","3","2","2","9","1") = "8"
    & skf18("4","2","3","2","2","10","1") = "9"
    & skf18("4","2","3","2","3","1","1") = "3"
    & skf18("4","2","3","2","3","2","1") = "3"
    & skf18("4","2","3","2","3","3","1") = "3"
    & skf18("4","2","3","2","3","4","1") = "3"
    & skf18("4","2","3","2","3","5","1") = "4"
    & skf18("4","2","3","2","3","6","1") = "5"
    & skf18("4","2","3","2","3","7","1") = "6"
    & skf18("4","2","3","2","3","8","1") = "7"
    & skf18("4","2","3","2","3","9","1") = "8"
    & skf18("4","2","3","2","3","10","1") = "9"
    & skf18("4","2","3","2","4","1","1") = "3"
    & skf18("4","2","3","2","4","2","1") = "3"
    & skf18("4","2","3","2","4","3","1") = "3"
    & skf18("4","2","3","2","4","4","1") = "3"
    & skf18("4","2","3","2","4","5","1") = "4"
    & skf18("4","2","3","2","4","6","1") = "5"
    & skf18("4","2","3","2","4","7","1") = "6"
    & skf18("4","2","3","2","4","8","1") = "7"
    & skf18("4","2","3","2","4","9","1") = "8"
    & skf18("4","2","3","2","4","10","1") = "9"
    & skf18("4","2","3","2","5","1","1") = "4"
    & skf18("4","2","3","2","5","2","1") = "4"
    & skf18("4","2","3","2","5","3","1") = "4"
    & skf18("4","2","3","2","5","4","1") = "4"
    & skf18("4","2","3","2","5","5","1") = "4"
    & skf18("4","2","3","2","5","6","1") = "5"
    & skf18("4","2","3","2","5","7","1") = "6"
    & skf18("4","2","3","2","5","8","1") = "7"
    & skf18("4","2","3","2","5","9","1") = "8"
    & skf18("4","2","3","2","5","10","1") = "9"
    & skf18("4","2","3","2","6","1","1") = "5"
    & skf18("4","2","3","2","6","2","1") = "5"
    & skf18("4","2","3","2","6","3","1") = "5"
    & skf18("4","2","3","2","6","4","1") = "5"
    & skf18("4","2","3","2","6","5","1") = "5"
    & skf18("4","2","3","2","6","6","1") = "5"
    & skf18("4","2","3","2","6","7","1") = "6"
    & skf18("4","2","3","2","6","8","1") = "7"
    & skf18("4","2","3","2","6","9","1") = "8"
    & skf18("4","2","3","2","6","10","1") = "9"
    & skf18("4","2","3","2","7","1","1") = "6"
    & skf18("4","2","3","2","7","2","1") = "6"
    & skf18("4","2","3","2","7","3","1") = "6"
    & skf18("4","2","3","2","7","4","1") = "6"
    & skf18("4","2","3","2","7","5","1") = "6"
    & skf18("4","2","3","2","7","6","1") = "6"
    & skf18("4","2","3","2","7","7","1") = "6"
    & skf18("4","2","3","2","7","8","1") = "7"
    & skf18("4","2","3","2","7","9","1") = "8"
    & skf18("4","2","3","2","7","10","1") = "9"
    & skf18("4","2","3","2","8","1","1") = "7"
    & skf18("4","2","3","2","8","2","1") = "7"
    & skf18("4","2","3","2","8","3","1") = "7"
    & skf18("4","2","3","2","8","4","1") = "7"
    & skf18("4","2","3","2","8","5","1") = "7"
    & skf18("4","2","3","2","8","6","1") = "7"
    & skf18("4","2","3","2","8","7","1") = "7"
    & skf18("4","2","3","2","8","8","1") = "7"
    & skf18("4","2","3","2","8","9","1") = "8"
    & skf18("4","2","3","2","8","10","1") = "9"
    & skf18("4","2","3","2","9","1","1") = "8"
    & skf18("4","2","3","2","9","2","1") = "8"
    & skf18("4","2","3","2","9","3","1") = "8"
    & skf18("4","2","3","2","9","4","1") = "8"
    & skf18("4","2","3","2","9","5","1") = "8"
    & skf18("4","2","3","2","9","6","1") = "8"
    & skf18("4","2","3","2","9","7","1") = "8"
    & skf18("4","2","3","2","9","8","1") = "8"
    & skf18("4","2","3","2","9","9","1") = "8"
    & skf18("4","2","3","2","9","10","1") = "9"
    & skf18("4","2","3","2","10","1","1") = "9"
    & skf18("4","2","3","2","10","2","1") = "9"
    & skf18("4","2","3","2","10","3","1") = "9"
    & skf18("4","2","3","2","10","4","1") = "9"
    & skf18("4","2","3","2","10","5","1") = "9"
    & skf18("4","2","3","2","10","6","1") = "9"
    & skf18("4","2","3","2","10","7","1") = "9"
    & skf18("4","2","3","2","10","8","1") = "9"
    & skf18("4","2","3","2","10","9","1") = "9"
    & skf18("4","2","3","2","10","10","1") = "9"
    & skf18("4","2","3","3","1","1","1") = "3"
    & skf18("4","2","3","3","1","2","1") = "3"
    & skf18("4","2","3","3","1","3","1") = "3"
    & skf18("4","2","3","3","1","4","1") = "3"
    & skf18("4","2","3","3","1","5","1") = "4"
    & skf18("4","2","3","3","1","6","1") = "5"
    & skf18("4","2","3","3","1","7","1") = "6"
    & skf18("4","2","3","3","1","8","1") = "7"
    & skf18("4","2","3","3","1","9","1") = "8"
    & skf18("4","2","3","3","1","10","1") = "9"
    & skf18("4","2","3","3","2","1","1") = "3"
    & skf18("4","2","3","3","2","2","1") = "3"
    & skf18("4","2","3","3","2","3","1") = "3"
    & skf18("4","2","3","3","2","4","1") = "3"
    & skf18("4","2","3","3","2","5","1") = "4"
    & skf18("4","2","3","3","2","6","1") = "5"
    & skf18("4","2","3","3","2","7","1") = "6"
    & skf18("4","2","3","3","2","8","1") = "7"
    & skf18("4","2","3","3","2","9","1") = "8"
    & skf18("4","2","3","3","2","10","1") = "9"
    & skf18("4","2","3","3","3","1","1") = "3"
    & skf18("4","2","3","3","3","2","1") = "3"
    & skf18("4","2","3","3","3","3","1") = "3"
    & skf18("4","2","3","3","3","4","1") = "3"
    & skf18("4","2","3","3","3","5","1") = "4"
    & skf18("4","2","3","3","3","6","1") = "5"
    & skf18("4","2","3","3","3","7","1") = "6"
    & skf18("4","2","3","3","3","8","1") = "7"
    & skf18("4","2","3","3","3","9","1") = "8"
    & skf18("4","2","3","3","3","10","1") = "9"
    & skf18("4","2","3","3","4","1","1") = "3"
    & skf18("4","2","3","3","4","2","1") = "3"
    & skf18("4","2","3","3","4","3","1") = "3"
    & skf18("4","2","3","3","4","4","1") = "3"
    & skf18("4","2","3","3","4","5","1") = "4"
    & skf18("4","2","3","3","4","6","1") = "5"
    & skf18("4","2","3","3","4","7","1") = "6"
    & skf18("4","2","3","3","4","8","1") = "7"
    & skf18("4","2","3","3","4","9","1") = "8"
    & skf18("4","2","3","3","4","10","1") = "9"
    & skf18("4","2","3","3","5","1","1") = "4"
    & skf18("4","2","3","3","5","2","1") = "4"
    & skf18("4","2","3","3","5","3","1") = "4"
    & skf18("4","2","3","3","5","4","1") = "4"
    & skf18("4","2","3","3","5","5","1") = "4"
    & skf18("4","2","3","3","5","6","1") = "5"
    & skf18("4","2","3","3","5","7","1") = "6"
    & skf18("4","2","3","3","5","8","1") = "7"
    & skf18("4","2","3","3","5","9","1") = "8"
    & skf18("4","2","3","3","5","10","1") = "9"
    & skf18("4","2","3","3","6","1","1") = "5"
    & skf18("4","2","3","3","6","2","1") = "5"
    & skf18("4","2","3","3","6","3","1") = "5"
    & skf18("4","2","3","3","6","4","1") = "5"
    & skf18("4","2","3","3","6","5","1") = "5"
    & skf18("4","2","3","3","6","6","1") = "5"
    & skf18("4","2","3","3","6","7","1") = "6"
    & skf18("4","2","3","3","6","8","1") = "7"
    & skf18("4","2","3","3","6","9","1") = "8"
    & skf18("4","2","3","3","6","10","1") = "9"
    & skf18("4","2","3","3","7","1","1") = "6"
    & skf18("4","2","3","3","7","2","1") = "6"
    & skf18("4","2","3","3","7","3","1") = "6"
    & skf18("4","2","3","3","7","4","1") = "6"
    & skf18("4","2","3","3","7","5","1") = "6"
    & skf18("4","2","3","3","7","6","1") = "6"
    & skf18("4","2","3","3","7","7","1") = "6"
    & skf18("4","2","3","3","7","8","1") = "7"
    & skf18("4","2","3","3","7","9","1") = "8"
    & skf18("4","2","3","3","7","10","1") = "9"
    & skf18("4","2","3","3","8","1","1") = "7"
    & skf18("4","2","3","3","8","2","1") = "7"
    & skf18("4","2","3","3","8","3","1") = "7"
    & skf18("4","2","3","3","8","4","1") = "7"
    & skf18("4","2","3","3","8","5","1") = "7"
    & skf18("4","2","3","3","8","6","1") = "7"
    & skf18("4","2","3","3","8","7","1") = "7"
    & skf18("4","2","3","3","8","8","1") = "7"
    & skf18("4","2","3","3","8","9","1") = "8"
    & skf18("4","2","3","3","8","10","1") = "9"
    & skf18("4","2","3","3","9","1","1") = "8"
    & skf18("4","2","3","3","9","2","1") = "8"
    & skf18("4","2","3","3","9","3","1") = "8"
    & skf18("4","2","3","3","9","4","1") = "8"
    & skf18("4","2","3","3","9","5","1") = "8"
    & skf18("4","2","3","3","9","6","1") = "8"
    & skf18("4","2","3","3","9","7","1") = "8"
    & skf18("4","2","3","3","9","8","1") = "8"
    & skf18("4","2","3","3","9","9","1") = "8"
    & skf18("4","2","3","3","9","10","1") = "9"
    & skf18("4","2","3","3","10","1","1") = "9"
    & skf18("4","2","3","3","10","2","1") = "9"
    & skf18("4","2","3","3","10","3","1") = "9"
    & skf18("4","2","3","3","10","4","1") = "9"
    & skf18("4","2","3","3","10","5","1") = "9"
    & skf18("4","2","3","3","10","6","1") = "9"
    & skf18("4","2","3","3","10","7","1") = "9"
    & skf18("4","2","3","3","10","8","1") = "9"
    & skf18("4","2","3","3","10","9","1") = "9"
    & skf18("4","2","3","3","10","10","1") = "9"
    & skf18("4","2","3","4","1","1","1") = "3"
    & skf18("4","2","3","4","1","2","1") = "3"
    & skf18("4","2","3","4","1","3","1") = "3"
    & skf18("4","2","3","4","1","4","1") = "3"
    & skf18("4","2","3","4","1","5","1") = "4"
    & skf18("4","2","3","4","1","6","1") = "5"
    & skf18("4","2","3","4","1","7","1") = "6"
    & skf18("4","2","3","4","1","8","1") = "7"
    & skf18("4","2","3","4","1","9","1") = "8"
    & skf18("4","2","3","4","1","10","1") = "9"
    & skf18("4","2","3","4","2","1","1") = "3"
    & skf18("4","2","3","4","2","2","1") = "3"
    & skf18("4","2","3","4","2","3","1") = "3"
    & skf18("4","2","3","4","2","4","1") = "3"
    & skf18("4","2","3","4","2","5","1") = "4"
    & skf18("4","2","3","4","2","6","1") = "5"
    & skf18("4","2","3","4","2","7","1") = "6"
    & skf18("4","2","3","4","2","8","1") = "7"
    & skf18("4","2","3","4","2","9","1") = "8"
    & skf18("4","2","3","4","2","10","1") = "9"
    & skf18("4","2","3","4","3","1","1") = "3"
    & skf18("4","2","3","4","3","2","1") = "3"
    & skf18("4","2","3","4","3","3","1") = "3"
    & skf18("4","2","3","4","3","4","1") = "3"
    & skf18("4","2","3","4","3","5","1") = "4"
    & skf18("4","2","3","4","3","6","1") = "5"
    & skf18("4","2","3","4","3","7","1") = "6"
    & skf18("4","2","3","4","3","8","1") = "7"
    & skf18("4","2","3","4","3","9","1") = "8"
    & skf18("4","2","3","4","3","10","1") = "9"
    & skf18("4","2","3","4","4","1","1") = "3"
    & skf18("4","2","3","4","4","2","1") = "3"
    & skf18("4","2","3","4","4","3","1") = "3"
    & skf18("4","2","3","4","4","4","1") = "3"
    & skf18("4","2","3","4","4","5","1") = "4"
    & skf18("4","2","3","4","4","6","1") = "5"
    & skf18("4","2","3","4","4","7","1") = "6"
    & skf18("4","2","3","4","4","8","1") = "7"
    & skf18("4","2","3","4","4","9","1") = "8"
    & skf18("4","2","3","4","4","10","1") = "9"
    & skf18("4","2","3","4","5","1","1") = "4"
    & skf18("4","2","3","4","5","2","1") = "4"
    & skf18("4","2","3","4","5","3","1") = "4"
    & skf18("4","2","3","4","5","4","1") = "4"
    & skf18("4","2","3","4","5","5","1") = "4"
    & skf18("4","2","3","4","5","6","1") = "5"
    & skf18("4","2","3","4","5","7","1") = "6"
    & skf18("4","2","3","4","5","8","1") = "7"
    & skf18("4","2","3","4","5","9","1") = "8"
    & skf18("4","2","3","4","5","10","1") = "9"
    & skf18("4","2","3","4","6","1","1") = "5"
    & skf18("4","2","3","4","6","2","1") = "5"
    & skf18("4","2","3","4","6","3","1") = "5"
    & skf18("4","2","3","4","6","4","1") = "5"
    & skf18("4","2","3","4","6","5","1") = "5"
    & skf18("4","2","3","4","6","6","1") = "5"
    & skf18("4","2","3","4","6","7","1") = "6"
    & skf18("4","2","3","4","6","8","1") = "7"
    & skf18("4","2","3","4","6","9","1") = "8"
    & skf18("4","2","3","4","6","10","1") = "9"
    & skf18("4","2","3","4","7","1","1") = "6"
    & skf18("4","2","3","4","7","2","1") = "6"
    & skf18("4","2","3","4","7","3","1") = "6"
    & skf18("4","2","3","4","7","4","1") = "6"
    & skf18("4","2","3","4","7","5","1") = "6"
    & skf18("4","2","3","4","7","6","1") = "6"
    & skf18("4","2","3","4","7","7","1") = "6"
    & skf18("4","2","3","4","7","8","1") = "7"
    & skf18("4","2","3","4","7","9","1") = "8"
    & skf18("4","2","3","4","7","10","1") = "9"
    & skf18("4","2","3","4","8","1","1") = "7"
    & skf18("4","2","3","4","8","2","1") = "7"
    & skf18("4","2","3","4","8","3","1") = "7"
    & skf18("4","2","3","4","8","4","1") = "7"
    & skf18("4","2","3","4","8","5","1") = "7"
    & skf18("4","2","3","4","8","6","1") = "7"
    & skf18("4","2","3","4","8","7","1") = "7"
    & skf18("4","2","3","4","8","8","1") = "7"
    & skf18("4","2","3","4","8","9","1") = "8"
    & skf18("4","2","3","4","8","10","1") = "9"
    & skf18("4","2","3","4","9","1","1") = "8"
    & skf18("4","2","3","4","9","2","1") = "8"
    & skf18("4","2","3","4","9","3","1") = "8"
    & skf18("4","2","3","4","9","4","1") = "8"
    & skf18("4","2","3","4","9","5","1") = "8"
    & skf18("4","2","3","4","9","6","1") = "8"
    & skf18("4","2","3","4","9","7","1") = "8"
    & skf18("4","2","3","4","9","8","1") = "8"
    & skf18("4","2","3","4","9","9","1") = "8"
    & skf18("4","2","3","4","9","10","1") = "9"
    & skf18("4","2","3","4","10","1","1") = "9"
    & skf18("4","2","3","4","10","2","1") = "9"
    & skf18("4","2","3","4","10","3","1") = "9"
    & skf18("4","2","3","4","10","4","1") = "9"
    & skf18("4","2","3","4","10","5","1") = "9"
    & skf18("4","2","3","4","10","6","1") = "9"
    & skf18("4","2","3","4","10","7","1") = "9"
    & skf18("4","2","3","4","10","8","1") = "9"
    & skf18("4","2","3","4","10","9","1") = "9"
    & skf18("4","2","3","4","10","10","1") = "9"
    & skf18("4","2","3","5","1","1","1") = "4"
    & skf18("4","2","3","5","1","2","1") = "4"
    & skf18("4","2","3","5","1","3","1") = "4"
    & skf18("4","2","3","5","1","4","1") = "4"
    & skf18("4","2","3","5","1","5","1") = "4"
    & skf18("4","2","3","5","1","6","1") = "5"
    & skf18("4","2","3","5","1","7","1") = "6"
    & skf18("4","2","3","5","1","8","1") = "7"
    & skf18("4","2","3","5","1","9","1") = "8"
    & skf18("4","2","3","5","1","10","1") = "9"
    & skf18("4","2","3","5","2","1","1") = "4"
    & skf18("4","2","3","5","2","2","1") = "4"
    & skf18("4","2","3","5","2","3","1") = "4"
    & skf18("4","2","3","5","2","4","1") = "4"
    & skf18("4","2","3","5","2","5","1") = "4"
    & skf18("4","2","3","5","2","6","1") = "5"
    & skf18("4","2","3","5","2","7","1") = "6"
    & skf18("4","2","3","5","2","8","1") = "7"
    & skf18("4","2","3","5","2","9","1") = "8"
    & skf18("4","2","3","5","2","10","1") = "9"
    & skf18("4","2","3","5","3","1","1") = "4"
    & skf18("4","2","3","5","3","2","1") = "4"
    & skf18("4","2","3","5","3","3","1") = "4"
    & skf18("4","2","3","5","3","4","1") = "4"
    & skf18("4","2","3","5","3","5","1") = "4"
    & skf18("4","2","3","5","3","6","1") = "5"
    & skf18("4","2","3","5","3","7","1") = "6"
    & skf18("4","2","3","5","3","8","1") = "7"
    & skf18("4","2","3","5","3","9","1") = "8"
    & skf18("4","2","3","5","3","10","1") = "9"
    & skf18("4","2","3","5","4","1","1") = "4"
    & skf18("4","2","3","5","4","2","1") = "4"
    & skf18("4","2","3","5","4","3","1") = "4"
    & skf18("4","2","3","5","4","4","1") = "4"
    & skf18("4","2","3","5","4","5","1") = "4"
    & skf18("4","2","3","5","4","6","1") = "5"
    & skf18("4","2","3","5","4","7","1") = "6"
    & skf18("4","2","3","5","4","8","1") = "7"
    & skf18("4","2","3","5","4","9","1") = "8"
    & skf18("4","2","3","5","4","10","1") = "9"
    & skf18("4","2","3","5","5","1","1") = "4"
    & skf18("4","2","3","5","5","2","1") = "4"
    & skf18("4","2","3","5","5","3","1") = "4"
    & skf18("4","2","3","5","5","4","1") = "4"
    & skf18("4","2","3","5","5","5","1") = "4"
    & skf18("4","2","3","5","5","6","1") = "5"
    & skf18("4","2","3","5","5","7","1") = "6"
    & skf18("4","2","3","5","5","8","1") = "7"
    & skf18("4","2","3","5","5","9","1") = "8"
    & skf18("4","2","3","5","5","10","1") = "9"
    & skf18("4","2","3","5","6","1","1") = "5"
    & skf18("4","2","3","5","6","2","1") = "5"
    & skf18("4","2","3","5","6","3","1") = "5"
    & skf18("4","2","3","5","6","4","1") = "5"
    & skf18("4","2","3","5","6","5","1") = "5"
    & skf18("4","2","3","5","6","6","1") = "5"
    & skf18("4","2","3","5","6","7","1") = "6"
    & skf18("4","2","3","5","6","8","1") = "7"
    & skf18("4","2","3","5","6","9","1") = "8"
    & skf18("4","2","3","5","6","10","1") = "9"
    & skf18("4","2","3","5","7","1","1") = "6"
    & skf18("4","2","3","5","7","2","1") = "6"
    & skf18("4","2","3","5","7","3","1") = "6"
    & skf18("4","2","3","5","7","4","1") = "6"
    & skf18("4","2","3","5","7","5","1") = "6"
    & skf18("4","2","3","5","7","6","1") = "6"
    & skf18("4","2","3","5","7","7","1") = "6"
    & skf18("4","2","3","5","7","8","1") = "7"
    & skf18("4","2","3","5","7","9","1") = "8"
    & skf18("4","2","3","5","7","10","1") = "9"
    & skf18("4","2","3","5","8","1","1") = "7"
    & skf18("4","2","3","5","8","2","1") = "7"
    & skf18("4","2","3","5","8","3","1") = "7"
    & skf18("4","2","3","5","8","4","1") = "7"
    & skf18("4","2","3","5","8","5","1") = "7"
    & skf18("4","2","3","5","8","6","1") = "7"
    & skf18("4","2","3","5","8","7","1") = "7"
    & skf18("4","2","3","5","8","8","1") = "7"
    & skf18("4","2","3","5","8","9","1") = "8"
    & skf18("4","2","3","5","8","10","1") = "9"
    & skf18("4","2","3","5","9","1","1") = "8"
    & skf18("4","2","3","5","9","2","1") = "8"
    & skf18("4","2","3","5","9","3","1") = "8"
    & skf18("4","2","3","5","9","4","1") = "8"
    & skf18("4","2","3","5","9","5","1") = "8"
    & skf18("4","2","3","5","9","6","1") = "8"
    & skf18("4","2","3","5","9","7","1") = "8"
    & skf18("4","2","3","5","9","8","1") = "8"
    & skf18("4","2","3","5","9","9","1") = "8"
    & skf18("4","2","3","5","9","10","1") = "9"
    & skf18("4","2","3","5","10","1","1") = "9"
    & skf18("4","2","3","5","10","2","1") = "9"
    & skf18("4","2","3","5","10","3","1") = "9"
    & skf18("4","2","3","5","10","4","1") = "9"
    & skf18("4","2","3","5","10","5","1") = "9"
    & skf18("4","2","3","5","10","6","1") = "9"
    & skf18("4","2","3","5","10","7","1") = "9"
    & skf18("4","2","3","5","10","8","1") = "9"
    & skf18("4","2","3","5","10","9","1") = "9"
    & skf18("4","2","3","5","10","10","1") = "9"
    & skf18("4","2","3","6","1","1","1") = "5"
    & skf18("4","2","3","6","1","2","1") = "5"
    & skf18("4","2","3","6","1","3","1") = "5"
    & skf18("4","2","3","6","1","4","1") = "5"
    & skf18("4","2","3","6","1","5","1") = "5"
    & skf18("4","2","3","6","1","6","1") = "5"
    & skf18("4","2","3","6","1","7","1") = "6"
    & skf18("4","2","3","6","1","8","1") = "7"
    & skf18("4","2","3","6","1","9","1") = "8"
    & skf18("4","2","3","6","1","10","1") = "9"
    & skf18("4","2","3","6","2","1","1") = "5"
    & skf18("4","2","3","6","2","2","1") = "5"
    & skf18("4","2","3","6","2","3","1") = "5"
    & skf18("4","2","3","6","2","4","1") = "5"
    & skf18("4","2","3","6","2","5","1") = "5"
    & skf18("4","2","3","6","2","6","1") = "5"
    & skf18("4","2","3","6","2","7","1") = "6"
    & skf18("4","2","3","6","2","8","1") = "7"
    & skf18("4","2","3","6","2","9","1") = "8"
    & skf18("4","2","3","6","2","10","1") = "9"
    & skf18("4","2","3","6","3","1","1") = "5"
    & skf18("4","2","3","6","3","2","1") = "5"
    & skf18("4","2","3","6","3","3","1") = "5"
    & skf18("4","2","3","6","3","4","1") = "5"
    & skf18("4","2","3","6","3","5","1") = "5"
    & skf18("4","2","3","6","3","6","1") = "5"
    & skf18("4","2","3","6","3","7","1") = "6"
    & skf18("4","2","3","6","3","8","1") = "7"
    & skf18("4","2","3","6","3","9","1") = "8"
    & skf18("4","2","3","6","3","10","1") = "9"
    & skf18("4","2","3","6","4","1","1") = "5"
    & skf18("4","2","3","6","4","2","1") = "5"
    & skf18("4","2","3","6","4","3","1") = "5"
    & skf18("4","2","3","6","4","4","1") = "5"
    & skf18("4","2","3","6","4","5","1") = "5"
    & skf18("4","2","3","6","4","6","1") = "5"
    & skf18("4","2","3","6","4","7","1") = "6"
    & skf18("4","2","3","6","4","8","1") = "7"
    & skf18("4","2","3","6","4","9","1") = "8"
    & skf18("4","2","3","6","4","10","1") = "9"
    & skf18("4","2","3","6","5","1","1") = "5"
    & skf18("4","2","3","6","5","2","1") = "5"
    & skf18("4","2","3","6","5","3","1") = "5"
    & skf18("4","2","3","6","5","4","1") = "5"
    & skf18("4","2","3","6","5","5","1") = "5"
    & skf18("4","2","3","6","5","6","1") = "5"
    & skf18("4","2","3","6","5","7","1") = "6"
    & skf18("4","2","3","6","5","8","1") = "7"
    & skf18("4","2","3","6","5","9","1") = "8"
    & skf18("4","2","3","6","5","10","1") = "9"
    & skf18("4","2","3","6","6","1","1") = "5"
    & skf18("4","2","3","6","6","2","1") = "5"
    & skf18("4","2","3","6","6","3","1") = "5"
    & skf18("4","2","3","6","6","4","1") = "5"
    & skf18("4","2","3","6","6","5","1") = "5"
    & skf18("4","2","3","6","6","6","1") = "5"
    & skf18("4","2","3","6","6","7","1") = "6"
    & skf18("4","2","3","6","6","8","1") = "7"
    & skf18("4","2","3","6","6","9","1") = "8"
    & skf18("4","2","3","6","6","10","1") = "9"
    & skf18("4","2","3","6","7","1","1") = "6"
    & skf18("4","2","3","6","7","2","1") = "6"
    & skf18("4","2","3","6","7","3","1") = "6"
    & skf18("4","2","3","6","7","4","1") = "6"
    & skf18("4","2","3","6","7","5","1") = "6"
    & skf18("4","2","3","6","7","6","1") = "6"
    & skf18("4","2","3","6","7","7","1") = "6"
    & skf18("4","2","3","6","7","8","1") = "7"
    & skf18("4","2","3","6","7","9","1") = "8"
    & skf18("4","2","3","6","7","10","1") = "9"
    & skf18("4","2","3","6","8","1","1") = "7"
    & skf18("4","2","3","6","8","2","1") = "7"
    & skf18("4","2","3","6","8","3","1") = "7"
    & skf18("4","2","3","6","8","4","1") = "7"
    & skf18("4","2","3","6","8","5","1") = "7"
    & skf18("4","2","3","6","8","6","1") = "7"
    & skf18("4","2","3","6","8","7","1") = "7"
    & skf18("4","2","3","6","8","8","1") = "7"
    & skf18("4","2","3","6","8","9","1") = "8"
    & skf18("4","2","3","6","8","10","1") = "9"
    & skf18("4","2","3","6","9","1","1") = "8"
    & skf18("4","2","3","6","9","2","1") = "8"
    & skf18("4","2","3","6","9","3","1") = "8"
    & skf18("4","2","3","6","9","4","1") = "8"
    & skf18("4","2","3","6","9","5","1") = "8"
    & skf18("4","2","3","6","9","6","1") = "8"
    & skf18("4","2","3","6","9","7","1") = "8"
    & skf18("4","2","3","6","9","8","1") = "8"
    & skf18("4","2","3","6","9","9","1") = "8"
    & skf18("4","2","3","6","9","10","1") = "9"
    & skf18("4","2","3","6","10","1","1") = "9"
    & skf18("4","2","3","6","10","2","1") = "9"
    & skf18("4","2","3","6","10","3","1") = "9"
    & skf18("4","2","3","6","10","4","1") = "9"
    & skf18("4","2","3","6","10","5","1") = "9"
    & skf18("4","2","3","6","10","6","1") = "9"
    & skf18("4","2","3","6","10","7","1") = "9"
    & skf18("4","2","3","6","10","8","1") = "9"
    & skf18("4","2","3","6","10","9","1") = "9"
    & skf18("4","2","3","6","10","10","1") = "9"
    & skf18("4","2","3","7","1","1","1") = "6"
    & skf18("4","2","3","7","1","2","1") = "6"
    & skf18("4","2","3","7","1","3","1") = "6"
    & skf18("4","2","3","7","1","4","1") = "6"
    & skf18("4","2","3","7","1","5","1") = "6"
    & skf18("4","2","3","7","1","6","1") = "6"
    & skf18("4","2","3","7","1","7","1") = "6"
    & skf18("4","2","3","7","1","8","1") = "7"
    & skf18("4","2","3","7","1","9","1") = "8"
    & skf18("4","2","3","7","1","10","1") = "9"
    & skf18("4","2","3","7","2","1","1") = "6"
    & skf18("4","2","3","7","2","2","1") = "6"
    & skf18("4","2","3","7","2","3","1") = "6"
    & skf18("4","2","3","7","2","4","1") = "6"
    & skf18("4","2","3","7","2","5","1") = "6"
    & skf18("4","2","3","7","2","6","1") = "6"
    & skf18("4","2","3","7","2","7","1") = "6"
    & skf18("4","2","3","7","2","8","1") = "7"
    & skf18("4","2","3","7","2","9","1") = "8"
    & skf18("4","2","3","7","2","10","1") = "9"
    & skf18("4","2","3","7","3","1","1") = "6"
    & skf18("4","2","3","7","3","2","1") = "6"
    & skf18("4","2","3","7","3","3","1") = "6"
    & skf18("4","2","3","7","3","4","1") = "6"
    & skf18("4","2","3","7","3","5","1") = "6"
    & skf18("4","2","3","7","3","6","1") = "6"
    & skf18("4","2","3","7","3","7","1") = "6"
    & skf18("4","2","3","7","3","8","1") = "7"
    & skf18("4","2","3","7","3","9","1") = "8"
    & skf18("4","2","3","7","3","10","1") = "9"
    & skf18("4","2","3","7","4","1","1") = "6"
    & skf18("4","2","3","7","4","2","1") = "6"
    & skf18("4","2","3","7","4","3","1") = "6"
    & skf18("4","2","3","7","4","4","1") = "6"
    & skf18("4","2","3","7","4","5","1") = "6"
    & skf18("4","2","3","7","4","6","1") = "6"
    & skf18("4","2","3","7","4","7","1") = "6"
    & skf18("4","2","3","7","4","8","1") = "7"
    & skf18("4","2","3","7","4","9","1") = "8"
    & skf18("4","2","3","7","4","10","1") = "9"
    & skf18("4","2","3","7","5","1","1") = "6"
    & skf18("4","2","3","7","5","2","1") = "6"
    & skf18("4","2","3","7","5","3","1") = "6"
    & skf18("4","2","3","7","5","4","1") = "6"
    & skf18("4","2","3","7","5","5","1") = "6"
    & skf18("4","2","3","7","5","6","1") = "6"
    & skf18("4","2","3","7","5","7","1") = "6"
    & skf18("4","2","3","7","5","8","1") = "7"
    & skf18("4","2","3","7","5","9","1") = "8"
    & skf18("4","2","3","7","5","10","1") = "9"
    & skf18("4","2","3","7","6","1","1") = "6"
    & skf18("4","2","3","7","6","2","1") = "6"
    & skf18("4","2","3","7","6","3","1") = "6"
    & skf18("4","2","3","7","6","4","1") = "6"
    & skf18("4","2","3","7","6","5","1") = "6"
    & skf18("4","2","3","7","6","6","1") = "6"
    & skf18("4","2","3","7","6","7","1") = "6"
    & skf18("4","2","3","7","6","8","1") = "7"
    & skf18("4","2","3","7","6","9","1") = "8"
    & skf18("4","2","3","7","6","10","1") = "9"
    & skf18("4","2","3","7","7","1","1") = "6"
    & skf18("4","2","3","7","7","2","1") = "6"
    & skf18("4","2","3","7","7","3","1") = "6"
    & skf18("4","2","3","7","7","4","1") = "6"
    & skf18("4","2","3","7","7","5","1") = "6"
    & skf18("4","2","3","7","7","6","1") = "6"
    & skf18("4","2","3","7","7","7","1") = "6"
    & skf18("4","2","3","7","7","8","1") = "7"
    & skf18("4","2","3","7","7","9","1") = "8"
    & skf18("4","2","3","7","7","10","1") = "9"
    & skf18("4","2","3","7","8","1","1") = "7"
    & skf18("4","2","3","7","8","2","1") = "7"
    & skf18("4","2","3","7","8","3","1") = "7"
    & skf18("4","2","3","7","8","4","1") = "7"
    & skf18("4","2","3","7","8","5","1") = "7"
    & skf18("4","2","3","7","8","6","1") = "7"
    & skf18("4","2","3","7","8","7","1") = "7"
    & skf18("4","2","3","7","8","8","1") = "7"
    & skf18("4","2","3","7","8","9","1") = "8"
    & skf18("4","2","3","7","8","10","1") = "9"
    & skf18("4","2","3","7","9","1","1") = "8"
    & skf18("4","2","3","7","9","2","1") = "8"
    & skf18("4","2","3","7","9","3","1") = "8"
    & skf18("4","2","3","7","9","4","1") = "8"
    & skf18("4","2","3","7","9","5","1") = "8"
    & skf18("4","2","3","7","9","6","1") = "8"
    & skf18("4","2","3","7","9","7","1") = "8"
    & skf18("4","2","3","7","9","8","1") = "8"
    & skf18("4","2","3","7","9","9","1") = "8"
    & skf18("4","2","3","7","9","10","1") = "9"
    & skf18("4","2","3","7","10","1","1") = "9"
    & skf18("4","2","3","7","10","2","1") = "9"
    & skf18("4","2","3","7","10","3","1") = "9"
    & skf18("4","2","3","7","10","4","1") = "9"
    & skf18("4","2","3","7","10","5","1") = "9"
    & skf18("4","2","3","7","10","6","1") = "9"
    & skf18("4","2","3","7","10","7","1") = "9"
    & skf18("4","2","3","7","10","8","1") = "9"
    & skf18("4","2","3","7","10","9","1") = "9"
    & skf18("4","2","3","7","10","10","1") = "9"
    & skf18("4","2","3","8","1","1","1") = "7"
    & skf18("4","2","3","8","1","2","1") = "7"
    & skf18("4","2","3","8","1","3","1") = "7"
    & skf18("4","2","3","8","1","4","1") = "7"
    & skf18("4","2","3","8","1","5","1") = "7"
    & skf18("4","2","3","8","1","6","1") = "7"
    & skf18("4","2","3","8","1","7","1") = "7"
    & skf18("4","2","3","8","1","8","1") = "7"
    & skf18("4","2","3","8","1","9","1") = "8"
    & skf18("4","2","3","8","1","10","1") = "9"
    & skf18("4","2","3","8","2","1","1") = "7"
    & skf18("4","2","3","8","2","2","1") = "7"
    & skf18("4","2","3","8","2","3","1") = "7"
    & skf18("4","2","3","8","2","4","1") = "7"
    & skf18("4","2","3","8","2","5","1") = "7"
    & skf18("4","2","3","8","2","6","1") = "7"
    & skf18("4","2","3","8","2","7","1") = "7"
    & skf18("4","2","3","8","2","8","1") = "7"
    & skf18("4","2","3","8","2","9","1") = "8"
    & skf18("4","2","3","8","2","10","1") = "9"
    & skf18("4","2","3","8","3","1","1") = "7"
    & skf18("4","2","3","8","3","2","1") = "7"
    & skf18("4","2","3","8","3","3","1") = "7"
    & skf18("4","2","3","8","3","4","1") = "7"
    & skf18("4","2","3","8","3","5","1") = "7"
    & skf18("4","2","3","8","3","6","1") = "7"
    & skf18("4","2","3","8","3","7","1") = "7"
    & skf18("4","2","3","8","3","8","1") = "7"
    & skf18("4","2","3","8","3","9","1") = "8"
    & skf18("4","2","3","8","3","10","1") = "9"
    & skf18("4","2","3","8","4","1","1") = "7"
    & skf18("4","2","3","8","4","2","1") = "7"
    & skf18("4","2","3","8","4","3","1") = "7"
    & skf18("4","2","3","8","4","4","1") = "7"
    & skf18("4","2","3","8","4","5","1") = "7"
    & skf18("4","2","3","8","4","6","1") = "7"
    & skf18("4","2","3","8","4","7","1") = "7"
    & skf18("4","2","3","8","4","8","1") = "7"
    & skf18("4","2","3","8","4","9","1") = "8"
    & skf18("4","2","3","8","4","10","1") = "9"
    & skf18("4","2","3","8","5","1","1") = "7"
    & skf18("4","2","3","8","5","2","1") = "7"
    & skf18("4","2","3","8","5","3","1") = "7"
    & skf18("4","2","3","8","5","4","1") = "7"
    & skf18("4","2","3","8","5","5","1") = "7"
    & skf18("4","2","3","8","5","6","1") = "7"
    & skf18("4","2","3","8","5","7","1") = "7"
    & skf18("4","2","3","8","5","8","1") = "7"
    & skf18("4","2","3","8","5","9","1") = "8"
    & skf18("4","2","3","8","5","10","1") = "9"
    & skf18("4","2","3","8","6","1","1") = "7"
    & skf18("4","2","3","8","6","2","1") = "7"
    & skf18("4","2","3","8","6","3","1") = "7"
    & skf18("4","2","3","8","6","4","1") = "7"
    & skf18("4","2","3","8","6","5","1") = "7"
    & skf18("4","2","3","8","6","6","1") = "7"
    & skf18("4","2","3","8","6","7","1") = "7"
    & skf18("4","2","3","8","6","8","1") = "7"
    & skf18("4","2","3","8","6","9","1") = "8"
    & skf18("4","2","3","8","6","10","1") = "9"
    & skf18("4","2","3","8","7","1","1") = "7"
    & skf18("4","2","3","8","7","2","1") = "7"
    & skf18("4","2","3","8","7","3","1") = "7"
    & skf18("4","2","3","8","7","4","1") = "7"
    & skf18("4","2","3","8","7","5","1") = "7"
    & skf18("4","2","3","8","7","6","1") = "7"
    & skf18("4","2","3","8","7","7","1") = "7"
    & skf18("4","2","3","8","7","8","1") = "7"
    & skf18("4","2","3","8","7","9","1") = "8"
    & skf18("4","2","3","8","7","10","1") = "9"
    & skf18("4","2","3","8","8","1","1") = "7"
    & skf18("4","2","3","8","8","2","1") = "7"
    & skf18("4","2","3","8","8","3","1") = "7"
    & skf18("4","2","3","8","8","4","1") = "7"
    & skf18("4","2","3","8","8","5","1") = "7"
    & skf18("4","2","3","8","8","6","1") = "7"
    & skf18("4","2","3","8","8","7","1") = "7"
    & skf18("4","2","3","8","8","8","1") = "7"
    & skf18("4","2","3","8","8","9","1") = "8"
    & skf18("4","2","3","8","8","10","1") = "9"
    & skf18("4","2","3","8","9","1","1") = "8"
    & skf18("4","2","3","8","9","2","1") = "8"
    & skf18("4","2","3","8","9","3","1") = "8"
    & skf18("4","2","3","8","9","4","1") = "8"
    & skf18("4","2","3","8","9","5","1") = "8"
    & skf18("4","2","3","8","9","6","1") = "8"
    & skf18("4","2","3","8","9","7","1") = "8"
    & skf18("4","2","3","8","9","8","1") = "8"
    & skf18("4","2","3","8","9","9","1") = "8"
    & skf18("4","2","3","8","9","10","1") = "9"
    & skf18("4","2","3","8","10","1","1") = "9"
    & skf18("4","2","3","8","10","2","1") = "9"
    & skf18("4","2","3","8","10","3","1") = "9"
    & skf18("4","2","3","8","10","4","1") = "9"
    & skf18("4","2","3","8","10","5","1") = "9"
    & skf18("4","2","3","8","10","6","1") = "9"
    & skf18("4","2","3","8","10","7","1") = "9"
    & skf18("4","2","3","8","10","8","1") = "9"
    & skf18("4","2","3","8","10","9","1") = "9"
    & skf18("4","2","3","8","10","10","1") = "9"
    & skf18("4","2","3","9","1","1","1") = "8"
    & skf18("4","2","3","9","1","2","1") = "8"
    & skf18("4","2","3","9","1","3","1") = "8"
    & skf18("4","2","3","9","1","4","1") = "8"
    & skf18("4","2","3","9","1","5","1") = "8"
    & skf18("4","2","3","9","1","6","1") = "8"
    & skf18("4","2","3","9","1","7","1") = "8"
    & skf18("4","2","3","9","1","8","1") = "8"
    & skf18("4","2","3","9","1","9","1") = "8"
    & skf18("4","2","3","9","1","10","1") = "9"
    & skf18("4","2","3","9","2","1","1") = "8"
    & skf18("4","2","3","9","2","2","1") = "8"
    & skf18("4","2","3","9","2","3","1") = "8"
    & skf18("4","2","3","9","2","4","1") = "8"
    & skf18("4","2","3","9","2","5","1") = "8"
    & skf18("4","2","3","9","2","6","1") = "8"
    & skf18("4","2","3","9","2","7","1") = "8"
    & skf18("4","2","3","9","2","8","1") = "8"
    & skf18("4","2","3","9","2","9","1") = "8"
    & skf18("4","2","3","9","2","10","1") = "9"
    & skf18("4","2","3","9","3","1","1") = "8"
    & skf18("4","2","3","9","3","2","1") = "8"
    & skf18("4","2","3","9","3","3","1") = "8"
    & skf18("4","2","3","9","3","4","1") = "8"
    & skf18("4","2","3","9","3","5","1") = "8"
    & skf18("4","2","3","9","3","6","1") = "8"
    & skf18("4","2","3","9","3","7","1") = "8"
    & skf18("4","2","3","9","3","8","1") = "8"
    & skf18("4","2","3","9","3","9","1") = "8"
    & skf18("4","2","3","9","3","10","1") = "9"
    & skf18("4","2","3","9","4","1","1") = "8"
    & skf18("4","2","3","9","4","2","1") = "8"
    & skf18("4","2","3","9","4","3","1") = "8"
    & skf18("4","2","3","9","4","4","1") = "8"
    & skf18("4","2","3","9","4","5","1") = "8"
    & skf18("4","2","3","9","4","6","1") = "8"
    & skf18("4","2","3","9","4","7","1") = "8"
    & skf18("4","2","3","9","4","8","1") = "8"
    & skf18("4","2","3","9","4","9","1") = "8"
    & skf18("4","2","3","9","4","10","1") = "9"
    & skf18("4","2","3","9","5","1","1") = "8"
    & skf18("4","2","3","9","5","2","1") = "8"
    & skf18("4","2","3","9","5","3","1") = "8"
    & skf18("4","2","3","9","5","4","1") = "8"
    & skf18("4","2","3","9","5","5","1") = "8"
    & skf18("4","2","3","9","5","6","1") = "8"
    & skf18("4","2","3","9","5","7","1") = "8"
    & skf18("4","2","3","9","5","8","1") = "8"
    & skf18("4","2","3","9","5","9","1") = "8"
    & skf18("4","2","3","9","5","10","1") = "9"
    & skf18("4","2","3","9","6","1","1") = "8"
    & skf18("4","2","3","9","6","2","1") = "8"
    & skf18("4","2","3","9","6","3","1") = "8"
    & skf18("4","2","3","9","6","4","1") = "8"
    & skf18("4","2","3","9","6","5","1") = "8"
    & skf18("4","2","3","9","6","6","1") = "8"
    & skf18("4","2","3","9","6","7","1") = "8"
    & skf18("4","2","3","9","6","8","1") = "8"
    & skf18("4","2","3","9","6","9","1") = "8"
    & skf18("4","2","3","9","6","10","1") = "9"
    & skf18("4","2","3","9","7","1","1") = "8"
    & skf18("4","2","3","9","7","2","1") = "8"
    & skf18("4","2","3","9","7","3","1") = "8"
    & skf18("4","2","3","9","7","4","1") = "8"
    & skf18("4","2","3","9","7","5","1") = "8"
    & skf18("4","2","3","9","7","6","1") = "8"
    & skf18("4","2","3","9","7","7","1") = "8"
    & skf18("4","2","3","9","7","8","1") = "8"
    & skf18("4","2","3","9","7","9","1") = "8"
    & skf18("4","2","3","9","7","10","1") = "9"
    & skf18("4","2","3","9","8","1","1") = "8"
    & skf18("4","2","3","9","8","2","1") = "8"
    & skf18("4","2","3","9","8","3","1") = "8"
    & skf18("4","2","3","9","8","4","1") = "8"
    & skf18("4","2","3","9","8","5","1") = "8"
    & skf18("4","2","3","9","8","6","1") = "8"
    & skf18("4","2","3","9","8","7","1") = "8"
    & skf18("4","2","3","9","8","8","1") = "8"
    & skf18("4","2","3","9","8","9","1") = "8"
    & skf18("4","2","3","9","8","10","1") = "9"
    & skf18("4","2","3","9","9","1","1") = "8"
    & skf18("4","2","3","9","9","2","1") = "8"
    & skf18("4","2","3","9","9","3","1") = "8"
    & skf18("4","2","3","9","9","4","1") = "8"
    & skf18("4","2","3","9","9","5","1") = "8"
    & skf18("4","2","3","9","9","6","1") = "8"
    & skf18("4","2","3","9","9","7","1") = "8"
    & skf18("4","2","3","9","9","8","1") = "8"
    & skf18("4","2","3","9","9","9","1") = "8"
    & skf18("4","2","3","9","9","10","1") = "9"
    & skf18("4","2","3","9","10","1","1") = "9"
    & skf18("4","2","3","9","10","2","1") = "9"
    & skf18("4","2","3","9","10","3","1") = "9"
    & skf18("4","2","3","9","10","4","1") = "9"
    & skf18("4","2","3","9","10","5","1") = "9"
    & skf18("4","2","3","9","10","6","1") = "9"
    & skf18("4","2","3","9","10","7","1") = "9"
    & skf18("4","2","3","9","10","8","1") = "9"
    & skf18("4","2","3","9","10","9","1") = "9"
    & skf18("4","2","3","9","10","10","1") = "9"
    & skf18("4","2","3","10","1","1","1") = "9"
    & skf18("4","2","3","10","1","2","1") = "9"
    & skf18("4","2","3","10","1","3","1") = "9"
    & skf18("4","2","3","10","1","4","1") = "9"
    & skf18("4","2","3","10","1","5","1") = "9"
    & skf18("4","2","3","10","1","6","1") = "9"
    & skf18("4","2","3","10","1","7","1") = "9"
    & skf18("4","2","3","10","1","8","1") = "9"
    & skf18("4","2","3","10","1","9","1") = "9"
    & skf18("4","2","3","10","1","10","1") = "9"
    & skf18("4","2","3","10","2","1","1") = "9"
    & skf18("4","2","3","10","2","2","1") = "9"
    & skf18("4","2","3","10","2","3","1") = "9"
    & skf18("4","2","3","10","2","4","1") = "9"
    & skf18("4","2","3","10","2","5","1") = "9"
    & skf18("4","2","3","10","2","6","1") = "9"
    & skf18("4","2","3","10","2","7","1") = "9"
    & skf18("4","2","3","10","2","8","1") = "9"
    & skf18("4","2","3","10","2","9","1") = "9"
    & skf18("4","2","3","10","2","10","1") = "9"
    & skf18("4","2","3","10","3","1","1") = "9"
    & skf18("4","2","3","10","3","2","1") = "9"
    & skf18("4","2","3","10","3","3","1") = "9"
    & skf18("4","2","3","10","3","4","1") = "9"
    & skf18("4","2","3","10","3","5","1") = "9"
    & skf18("4","2","3","10","3","6","1") = "9"
    & skf18("4","2","3","10","3","7","1") = "9"
    & skf18("4","2","3","10","3","8","1") = "9"
    & skf18("4","2","3","10","3","9","1") = "9"
    & skf18("4","2","3","10","3","10","1") = "9"
    & skf18("4","2","3","10","4","1","1") = "9"
    & skf18("4","2","3","10","4","2","1") = "9"
    & skf18("4","2","3","10","4","3","1") = "9"
    & skf18("4","2","3","10","4","4","1") = "9"
    & skf18("4","2","3","10","4","5","1") = "9"
    & skf18("4","2","3","10","4","6","1") = "9"
    & skf18("4","2","3","10","4","7","1") = "9"
    & skf18("4","2","3","10","4","8","1") = "9"
    & skf18("4","2","3","10","4","9","1") = "9"
    & skf18("4","2","3","10","4","10","1") = "9"
    & skf18("4","2","3","10","5","1","1") = "9"
    & skf18("4","2","3","10","5","2","1") = "9"
    & skf18("4","2","3","10","5","3","1") = "9"
    & skf18("4","2","3","10","5","4","1") = "9"
    & skf18("4","2","3","10","5","5","1") = "9"
    & skf18("4","2","3","10","5","6","1") = "9"
    & skf18("4","2","3","10","5","7","1") = "9"
    & skf18("4","2","3","10","5","8","1") = "9"
    & skf18("4","2","3","10","5","9","1") = "9"
    & skf18("4","2","3","10","5","10","1") = "9"
    & skf18("4","2","3","10","6","1","1") = "9"
    & skf18("4","2","3","10","6","2","1") = "9"
    & skf18("4","2","3","10","6","3","1") = "9"
    & skf18("4","2","3","10","6","4","1") = "9"
    & skf18("4","2","3","10","6","5","1") = "9"
    & skf18("4","2","3","10","6","6","1") = "9"
    & skf18("4","2","3","10","6","7","1") = "9"
    & skf18("4","2","3","10","6","8","1") = "9"
    & skf18("4","2","3","10","6","9","1") = "9"
    & skf18("4","2","3","10","6","10","1") = "9"
    & skf18("4","2","3","10","7","1","1") = "9"
    & skf18("4","2","3","10","7","2","1") = "9"
    & skf18("4","2","3","10","7","3","1") = "9"
    & skf18("4","2","3","10","7","4","1") = "9"
    & skf18("4","2","3","10","7","5","1") = "9"
    & skf18("4","2","3","10","7","6","1") = "9"
    & skf18("4","2","3","10","7","7","1") = "9"
    & skf18("4","2","3","10","7","8","1") = "9"
    & skf18("4","2","3","10","7","9","1") = "9"
    & skf18("4","2","3","10","7","10","1") = "9"
    & skf18("4","2","3","10","8","1","1") = "9"
    & skf18("4","2","3","10","8","2","1") = "9"
    & skf18("4","2","3","10","8","3","1") = "9"
    & skf18("4","2","3","10","8","4","1") = "9"
    & skf18("4","2","3","10","8","5","1") = "9"
    & skf18("4","2","3","10","8","6","1") = "9"
    & skf18("4","2","3","10","8","7","1") = "9"
    & skf18("4","2","3","10","8","8","1") = "9"
    & skf18("4","2","3","10","8","9","1") = "9"
    & skf18("4","2","3","10","8","10","1") = "9"
    & skf18("4","2","3","10","9","1","1") = "9"
    & skf18("4","2","3","10","9","2","1") = "9"
    & skf18("4","2","3","10","9","3","1") = "9"
    & skf18("4","2","3","10","9","4","1") = "9"
    & skf18("4","2","3","10","9","5","1") = "9"
    & skf18("4","2","3","10","9","6","1") = "9"
    & skf18("4","2","3","10","9","7","1") = "9"
    & skf18("4","2","3","10","9","8","1") = "9"
    & skf18("4","2","3","10","9","9","1") = "9"
    & skf18("4","2","3","10","9","10","1") = "9"
    & skf18("4","2","3","10","10","1","1") = "9"
    & skf18("4","2","3","10","10","2","1") = "9"
    & skf18("4","2","3","10","10","3","1") = "9"
    & skf18("4","2","3","10","10","4","1") = "9"
    & skf18("4","2","3","10","10","5","1") = "9"
    & skf18("4","2","3","10","10","6","1") = "9"
    & skf18("4","2","3","10","10","7","1") = "9"
    & skf18("4","2","3","10","10","8","1") = "9"
    & skf18("4","2","3","10","10","9","1") = "9"
    & skf18("4","2","3","10","10","10","1") = "9"
    & skf18("4","2","4","1","1","1","1") = "3"
    & skf18("4","2","4","1","1","2","1") = "3"
    & skf18("4","2","4","1","1","3","1") = "3"
    & skf18("4","2","4","1","1","4","1") = "2"
    & skf18("4","2","4","1","1","5","1") = "4"
    & skf18("4","2","4","1","1","6","1") = "5"
    & skf18("4","2","4","1","1","7","1") = "6"
    & skf18("4","2","4","1","1","8","1") = "7"
    & skf18("4","2","4","1","1","9","1") = "8"
    & skf18("4","2","4","1","1","10","1") = "9"
    & skf18("4","2","4","1","2","1","1") = "2"
    & skf18("4","2","4","1","2","2","1") = "3"
    & skf18("4","2","4","1","2","3","1") = "3"
    & skf18("4","2","4","1","2","4","1") = "3"
    & skf18("4","2","4","1","2","5","1") = "4"
    & skf18("4","2","4","1","2","6","1") = "5"
    & skf18("4","2","4","1","2","7","1") = "6"
    & skf18("4","2","4","1","2","8","1") = "7"
    & skf18("4","2","4","1","2","9","1") = "8"
    & skf18("4","2","4","1","2","10","1") = "9"
    & skf18("4","2","4","1","3","1","1") = "3"
    & skf18("4","2","4","1","3","2","1") = "3"
    & skf18("4","2","4","1","3","3","1") = "3"
    & skf18("4","2","4","1","3","4","1") = "3"
    & skf18("4","2","4","1","3","5","1") = "4"
    & skf18("4","2","4","1","3","6","1") = "5"
    & skf18("4","2","4","1","3","7","1") = "6"
    & skf18("4","2","4","1","3","8","1") = "7"
    & skf18("4","2","4","1","3","9","1") = "8"
    & skf18("4","2","4","1","3","10","1") = "9"
    & skf18("4","2","4","1","4","1","1") = "3"
    & skf18("4","2","4","1","4","2","1") = "3"
    & skf18("4","2","4","1","4","3","1") = "3"
    & skf18("4","2","4","1","4","4","1") = "3"
    & skf18("4","2","4","1","4","5","1") = "4"
    & skf18("4","2","4","1","4","6","1") = "5"
    & skf18("4","2","4","1","4","7","1") = "6"
    & skf18("4","2","4","1","4","8","1") = "7"
    & skf18("4","2","4","1","4","9","1") = "8"
    & skf18("4","2","4","1","4","10","1") = "9"
    & skf18("4","2","4","1","5","1","1") = "4"
    & skf18("4","2","4","1","5","2","1") = "4"
    & skf18("4","2","4","1","5","3","1") = "4"
    & skf18("4","2","4","1","5","4","1") = "4"
    & skf18("4","2","4","1","5","5","1") = "4"
    & skf18("4","2","4","1","5","6","1") = "5"
    & skf18("4","2","4","1","5","7","1") = "6"
    & skf18("4","2","4","1","5","8","1") = "7"
    & skf18("4","2","4","1","5","9","1") = "8"
    & skf18("4","2","4","1","5","10","1") = "9"
    & skf18("4","2","4","1","6","1","1") = "5"
    & skf18("4","2","4","1","6","2","1") = "5"
    & skf18("4","2","4","1","6","3","1") = "5"
    & skf18("4","2","4","1","6","4","1") = "5"
    & skf18("4","2","4","1","6","5","1") = "5"
    & skf18("4","2","4","1","6","6","1") = "5"
    & skf18("4","2","4","1","6","7","1") = "6"
    & skf18("4","2","4","1","6","8","1") = "7"
    & skf18("4","2","4","1","6","9","1") = "8"
    & skf18("4","2","4","1","6","10","1") = "9"
    & skf18("4","2","4","1","7","1","1") = "6"
    & skf18("4","2","4","1","7","2","1") = "6"
    & skf18("4","2","4","1","7","3","1") = "6"
    & skf18("4","2","4","1","7","4","1") = "6"
    & skf18("4","2","4","1","7","5","1") = "6"
    & skf18("4","2","4","1","7","6","1") = "6"
    & skf18("4","2","4","1","7","7","1") = "6"
    & skf18("4","2","4","1","7","8","1") = "7"
    & skf18("4","2","4","1","7","9","1") = "8"
    & skf18("4","2","4","1","7","10","1") = "9"
    & skf18("4","2","4","1","8","1","1") = "7"
    & skf18("4","2","4","1","8","2","1") = "7"
    & skf18("4","2","4","1","8","3","1") = "7"
    & skf18("4","2","4","1","8","4","1") = "7"
    & skf18("4","2","4","1","8","5","1") = "7"
    & skf18("4","2","4","1","8","6","1") = "7"
    & skf18("4","2","4","1","8","7","1") = "7"
    & skf18("4","2","4","1","8","8","1") = "7"
    & skf18("4","2","4","1","8","9","1") = "8"
    & skf18("4","2","4","1","8","10","1") = "9"
    & skf18("4","2","4","1","9","1","1") = "8"
    & skf18("4","2","4","1","9","2","1") = "8"
    & skf18("4","2","4","1","9","3","1") = "8"
    & skf18("4","2","4","1","9","4","1") = "8"
    & skf18("4","2","4","1","9","5","1") = "8"
    & skf18("4","2","4","1","9","6","1") = "8"
    & skf18("4","2","4","1","9","7","1") = "8"
    & skf18("4","2","4","1","9","8","1") = "8"
    & skf18("4","2","4","1","9","9","1") = "8"
    & skf18("4","2","4","1","9","10","1") = "9"
    & skf18("4","2","4","1","10","1","1") = "9"
    & skf18("4","2","4","1","10","2","1") = "9"
    & skf18("4","2","4","1","10","3","1") = "9"
    & skf18("4","2","4","1","10","4","1") = "9"
    & skf18("4","2","4","1","10","5","1") = "9"
    & skf18("4","2","4","1","10","6","1") = "9"
    & skf18("4","2","4","1","10","7","1") = "9"
    & skf18("4","2","4","1","10","8","1") = "9"
    & skf18("4","2","4","1","10","9","1") = "9"
    & skf18("4","2","4","1","10","10","1") = "9"
    & skf18("4","2","4","2","1","1","1") = "3"
    & skf18("4","2","4","2","1","2","1") = "3"
    & skf18("4","2","4","2","1","3","1") = "3"
    & skf18("4","2","4","2","1","4","1") = "3"
    & skf18("4","2","4","2","1","5","1") = "4"
    & skf18("4","2","4","2","1","6","1") = "5"
    & skf18("4","2","4","2","1","7","1") = "6"
    & skf18("4","2","4","2","1","8","1") = "7"
    & skf18("4","2","4","2","1","9","1") = "8"
    & skf18("4","2","4","2","1","10","1") = "9"
    & skf18("4","2","4","2","2","1","1") = "3"
    & skf18("4","2","4","2","2","2","1") = "3"
    & skf18("4","2","4","2","2","3","1") = "3"
    & skf18("4","2","4","2","2","4","1") = "3"
    & skf18("4","2","4","2","2","5","1") = "4"
    & skf18("4","2","4","2","2","6","1") = "5"
    & skf18("4","2","4","2","2","7","1") = "6"
    & skf18("4","2","4","2","2","8","1") = "7"
    & skf18("4","2","4","2","2","9","1") = "8"
    & skf18("4","2","4","2","2","10","1") = "9"
    & skf18("4","2","4","2","3","1","1") = "3"
    & skf18("4","2","4","2","3","2","1") = "3"
    & skf18("4","2","4","2","3","3","1") = "3"
    & skf18("4","2","4","2","3","4","1") = "3"
    & skf18("4","2","4","2","3","5","1") = "4"
    & skf18("4","2","4","2","3","6","1") = "5"
    & skf18("4","2","4","2","3","7","1") = "6"
    & skf18("4","2","4","2","3","8","1") = "7"
    & skf18("4","2","4","2","3","9","1") = "8"
    & skf18("4","2","4","2","3","10","1") = "9"
    & skf18("4","2","4","2","4","1","1") = "3"
    & skf18("4","2","4","2","4","2","1") = "3"
    & skf18("4","2","4","2","4","3","1") = "3"
    & skf18("4","2","4","2","4","4","1") = "3"
    & skf18("4","2","4","2","4","5","1") = "4"
    & skf18("4","2","4","2","4","6","1") = "5"
    & skf18("4","2","4","2","4","7","1") = "6"
    & skf18("4","2","4","2","4","8","1") = "7"
    & skf18("4","2","4","2","4","9","1") = "8"
    & skf18("4","2","4","2","4","10","1") = "9"
    & skf18("4","2","4","2","5","1","1") = "4"
    & skf18("4","2","4","2","5","2","1") = "4"
    & skf18("4","2","4","2","5","3","1") = "4"
    & skf18("4","2","4","2","5","4","1") = "4"
    & skf18("4","2","4","2","5","5","1") = "4"
    & skf18("4","2","4","2","5","6","1") = "5"
    & skf18("4","2","4","2","5","7","1") = "6"
    & skf18("4","2","4","2","5","8","1") = "7"
    & skf18("4","2","4","2","5","9","1") = "8"
    & skf18("4","2","4","2","5","10","1") = "9"
    & skf18("4","2","4","2","6","1","1") = "5"
    & skf18("4","2","4","2","6","2","1") = "5"
    & skf18("4","2","4","2","6","3","1") = "5"
    & skf18("4","2","4","2","6","4","1") = "5"
    & skf18("4","2","4","2","6","5","1") = "5"
    & skf18("4","2","4","2","6","6","1") = "5"
    & skf18("4","2","4","2","6","7","1") = "6"
    & skf18("4","2","4","2","6","8","1") = "7"
    & skf18("4","2","4","2","6","9","1") = "8"
    & skf18("4","2","4","2","6","10","1") = "9"
    & skf18("4","2","4","2","7","1","1") = "6"
    & skf18("4","2","4","2","7","2","1") = "6"
    & skf18("4","2","4","2","7","3","1") = "6"
    & skf18("4","2","4","2","7","4","1") = "6"
    & skf18("4","2","4","2","7","5","1") = "6"
    & skf18("4","2","4","2","7","6","1") = "6"
    & skf18("4","2","4","2","7","7","1") = "6"
    & skf18("4","2","4","2","7","8","1") = "7"
    & skf18("4","2","4","2","7","9","1") = "8"
    & skf18("4","2","4","2","7","10","1") = "9"
    & skf18("4","2","4","2","8","1","1") = "7"
    & skf18("4","2","4","2","8","2","1") = "7"
    & skf18("4","2","4","2","8","3","1") = "7"
    & skf18("4","2","4","2","8","4","1") = "7"
    & skf18("4","2","4","2","8","5","1") = "7"
    & skf18("4","2","4","2","8","6","1") = "7"
    & skf18("4","2","4","2","8","7","1") = "7"
    & skf18("4","2","4","2","8","8","1") = "7"
    & skf18("4","2","4","2","8","9","1") = "8"
    & skf18("4","2","4","2","8","10","1") = "9"
    & skf18("4","2","4","2","9","1","1") = "8"
    & skf18("4","2","4","2","9","2","1") = "8"
    & skf18("4","2","4","2","9","3","1") = "8"
    & skf18("4","2","4","2","9","4","1") = "8"
    & skf18("4","2","4","2","9","5","1") = "8"
    & skf18("4","2","4","2","9","6","1") = "8"
    & skf18("4","2","4","2","9","7","1") = "8"
    & skf18("4","2","4","2","9","8","1") = "8"
    & skf18("4","2","4","2","9","9","1") = "8"
    & skf18("4","2","4","2","9","10","1") = "9"
    & skf18("4","2","4","2","10","1","1") = "9"
    & skf18("4","2","4","2","10","2","1") = "9"
    & skf18("4","2","4","2","10","3","1") = "9"
    & skf18("4","2","4","2","10","4","1") = "9"
    & skf18("4","2","4","2","10","5","1") = "9"
    & skf18("4","2","4","2","10","6","1") = "9"
    & skf18("4","2","4","2","10","7","1") = "9"
    & skf18("4","2","4","2","10","8","1") = "9"
    & skf18("4","2","4","2","10","9","1") = "9"
    & skf18("4","2","4","2","10","10","1") = "9"
    & skf18("4","2","4","3","1","1","1") = "3"
    & skf18("4","2","4","3","1","2","1") = "3"
    & skf18("4","2","4","3","1","3","1") = "3"
    & skf18("4","2","4","3","1","4","1") = "3"
    & skf18("4","2","4","3","1","5","1") = "4"
    & skf18("4","2","4","3","1","6","1") = "5"
    & skf18("4","2","4","3","1","7","1") = "6"
    & skf18("4","2","4","3","1","8","1") = "7"
    & skf18("4","2","4","3","1","9","1") = "8"
    & skf18("4","2","4","3","1","10","1") = "9"
    & skf18("4","2","4","3","2","1","1") = "3"
    & skf18("4","2","4","3","2","2","1") = "3"
    & skf18("4","2","4","3","2","3","1") = "3"
    & skf18("4","2","4","3","2","4","1") = "3"
    & skf18("4","2","4","3","2","5","1") = "4"
    & skf18("4","2","4","3","2","6","1") = "5"
    & skf18("4","2","4","3","2","7","1") = "6"
    & skf18("4","2","4","3","2","8","1") = "7"
    & skf18("4","2","4","3","2","9","1") = "8"
    & skf18("4","2","4","3","2","10","1") = "9"
    & skf18("4","2","4","3","3","1","1") = "3"
    & skf18("4","2","4","3","3","2","1") = "3"
    & skf18("4","2","4","3","3","3","1") = "3"
    & skf18("4","2","4","3","3","4","1") = "3"
    & skf18("4","2","4","3","3","5","1") = "4"
    & skf18("4","2","4","3","3","6","1") = "5"
    & skf18("4","2","4","3","3","7","1") = "6"
    & skf18("4","2","4","3","3","8","1") = "7"
    & skf18("4","2","4","3","3","9","1") = "8"
    & skf18("4","2","4","3","3","10","1") = "9"
    & skf18("4","2","4","3","4","1","1") = "3"
    & skf18("4","2","4","3","4","2","1") = "3"
    & skf18("4","2","4","3","4","3","1") = "3"
    & skf18("4","2","4","3","4","4","1") = "3"
    & skf18("4","2","4","3","4","5","1") = "4"
    & skf18("4","2","4","3","4","6","1") = "5"
    & skf18("4","2","4","3","4","7","1") = "6"
    & skf18("4","2","4","3","4","8","1") = "7"
    & skf18("4","2","4","3","4","9","1") = "8"
    & skf18("4","2","4","3","4","10","1") = "9"
    & skf18("4","2","4","3","5","1","1") = "4"
    & skf18("4","2","4","3","5","2","1") = "4"
    & skf18("4","2","4","3","5","3","1") = "4"
    & skf18("4","2","4","3","5","4","1") = "4"
    & skf18("4","2","4","3","5","5","1") = "4"
    & skf18("4","2","4","3","5","6","1") = "5"
    & skf18("4","2","4","3","5","7","1") = "6"
    & skf18("4","2","4","3","5","8","1") = "7"
    & skf18("4","2","4","3","5","9","1") = "8"
    & skf18("4","2","4","3","5","10","1") = "9"
    & skf18("4","2","4","3","6","1","1") = "5"
    & skf18("4","2","4","3","6","2","1") = "5"
    & skf18("4","2","4","3","6","3","1") = "5"
    & skf18("4","2","4","3","6","4","1") = "5"
    & skf18("4","2","4","3","6","5","1") = "5"
    & skf18("4","2","4","3","6","6","1") = "5"
    & skf18("4","2","4","3","6","7","1") = "6"
    & skf18("4","2","4","3","6","8","1") = "7"
    & skf18("4","2","4","3","6","9","1") = "8"
    & skf18("4","2","4","3","6","10","1") = "9"
    & skf18("4","2","4","3","7","1","1") = "6"
    & skf18("4","2","4","3","7","2","1") = "6"
    & skf18("4","2","4","3","7","3","1") = "6"
    & skf18("4","2","4","3","7","4","1") = "6"
    & skf18("4","2","4","3","7","5","1") = "6"
    & skf18("4","2","4","3","7","6","1") = "6"
    & skf18("4","2","4","3","7","7","1") = "6"
    & skf18("4","2","4","3","7","8","1") = "7"
    & skf18("4","2","4","3","7","9","1") = "8"
    & skf18("4","2","4","3","7","10","1") = "9"
    & skf18("4","2","4","3","8","1","1") = "7"
    & skf18("4","2","4","3","8","2","1") = "7"
    & skf18("4","2","4","3","8","3","1") = "7"
    & skf18("4","2","4","3","8","4","1") = "7"
    & skf18("4","2","4","3","8","5","1") = "7"
    & skf18("4","2","4","3","8","6","1") = "7"
    & skf18("4","2","4","3","8","7","1") = "7"
    & skf18("4","2","4","3","8","8","1") = "7"
    & skf18("4","2","4","3","8","9","1") = "8"
    & skf18("4","2","4","3","8","10","1") = "9"
    & skf18("4","2","4","3","9","1","1") = "8"
    & skf18("4","2","4","3","9","2","1") = "8"
    & skf18("4","2","4","3","9","3","1") = "8"
    & skf18("4","2","4","3","9","4","1") = "8"
    & skf18("4","2","4","3","9","5","1") = "8"
    & skf18("4","2","4","3","9","6","1") = "8"
    & skf18("4","2","4","3","9","7","1") = "8"
    & skf18("4","2","4","3","9","8","1") = "8"
    & skf18("4","2","4","3","9","9","1") = "8"
    & skf18("4","2","4","3","9","10","1") = "9"
    & skf18("4","2","4","3","10","1","1") = "9"
    & skf18("4","2","4","3","10","2","1") = "9"
    & skf18("4","2","4","3","10","3","1") = "9"
    & skf18("4","2","4","3","10","4","1") = "9"
    & skf18("4","2","4","3","10","5","1") = "9"
    & skf18("4","2","4","3","10","6","1") = "9"
    & skf18("4","2","4","3","10","7","1") = "9"
    & skf18("4","2","4","3","10","8","1") = "9"
    & skf18("4","2","4","3","10","9","1") = "9"
    & skf18("4","2","4","3","10","10","1") = "9"
    & skf18("4","2","4","4","1","1","1") = "3"
    & skf18("4","2","4","4","1","2","1") = "3"
    & skf18("4","2","4","4","1","3","1") = "3"
    & skf18("4","2","4","4","1","4","1") = "3"
    & skf18("4","2","4","4","1","5","1") = "4"
    & skf18("4","2","4","4","1","6","1") = "5"
    & skf18("4","2","4","4","1","7","1") = "6"
    & skf18("4","2","4","4","1","8","1") = "7"
    & skf18("4","2","4","4","1","9","1") = "8"
    & skf18("4","2","4","4","1","10","1") = "9"
    & skf18("4","2","4","4","2","1","1") = "3"
    & skf18("4","2","4","4","2","2","1") = "3"
    & skf18("4","2","4","4","2","3","1") = "3"
    & skf18("4","2","4","4","2","4","1") = "3"
    & skf18("4","2","4","4","2","5","1") = "4"
    & skf18("4","2","4","4","2","6","1") = "5"
    & skf18("4","2","4","4","2","7","1") = "6"
    & skf18("4","2","4","4","2","8","1") = "7"
    & skf18("4","2","4","4","2","9","1") = "8"
    & skf18("4","2","4","4","2","10","1") = "9"
    & skf18("4","2","4","4","3","1","1") = "3"
    & skf18("4","2","4","4","3","2","1") = "3"
    & skf18("4","2","4","4","3","3","1") = "3"
    & skf18("4","2","4","4","3","4","1") = "3"
    & skf18("4","2","4","4","3","5","1") = "4"
    & skf18("4","2","4","4","3","6","1") = "5"
    & skf18("4","2","4","4","3","7","1") = "6"
    & skf18("4","2","4","4","3","8","1") = "7"
    & skf18("4","2","4","4","3","9","1") = "8"
    & skf18("4","2","4","4","3","10","1") = "9"
    & skf18("4","2","4","4","4","1","1") = "3"
    & skf18("4","2","4","4","4","2","1") = "3"
    & skf18("4","2","4","4","4","3","1") = "3"
    & skf18("4","2","4","4","4","4","1") = "3"
    & skf18("4","2","4","4","4","5","1") = "4"
    & skf18("4","2","4","4","4","6","1") = "5"
    & skf18("4","2","4","4","4","7","1") = "6"
    & skf18("4","2","4","4","4","8","1") = "7"
    & skf18("4","2","4","4","4","9","1") = "8"
    & skf18("4","2","4","4","4","10","1") = "9"
    & skf18("4","2","4","4","5","1","1") = "4"
    & skf18("4","2","4","4","5","2","1") = "4"
    & skf18("4","2","4","4","5","3","1") = "4"
    & skf18("4","2","4","4","5","4","1") = "4"
    & skf18("4","2","4","4","5","5","1") = "4"
    & skf18("4","2","4","4","5","6","1") = "5"
    & skf18("4","2","4","4","5","7","1") = "6"
    & skf18("4","2","4","4","5","8","1") = "7"
    & skf18("4","2","4","4","5","9","1") = "8"
    & skf18("4","2","4","4","5","10","1") = "9"
    & skf18("4","2","4","4","6","1","1") = "5"
    & skf18("4","2","4","4","6","2","1") = "5"
    & skf18("4","2","4","4","6","3","1") = "5"
    & skf18("4","2","4","4","6","4","1") = "5"
    & skf18("4","2","4","4","6","5","1") = "5"
    & skf18("4","2","4","4","6","6","1") = "5"
    & skf18("4","2","4","4","6","7","1") = "6"
    & skf18("4","2","4","4","6","8","1") = "7"
    & skf18("4","2","4","4","6","9","1") = "8"
    & skf18("4","2","4","4","6","10","1") = "9"
    & skf18("4","2","4","4","7","1","1") = "6"
    & skf18("4","2","4","4","7","2","1") = "6"
    & skf18("4","2","4","4","7","3","1") = "6"
    & skf18("4","2","4","4","7","4","1") = "6"
    & skf18("4","2","4","4","7","5","1") = "6"
    & skf18("4","2","4","4","7","6","1") = "6"
    & skf18("4","2","4","4","7","7","1") = "6"
    & skf18("4","2","4","4","7","8","1") = "7"
    & skf18("4","2","4","4","7","9","1") = "8"
    & skf18("4","2","4","4","7","10","1") = "9"
    & skf18("4","2","4","4","8","1","1") = "7"
    & skf18("4","2","4","4","8","2","1") = "7"
    & skf18("4","2","4","4","8","3","1") = "7"
    & skf18("4","2","4","4","8","4","1") = "7"
    & skf18("4","2","4","4","8","5","1") = "7"
    & skf18("4","2","4","4","8","6","1") = "7"
    & skf18("4","2","4","4","8","7","1") = "7"
    & skf18("4","2","4","4","8","8","1") = "7"
    & skf18("4","2","4","4","8","9","1") = "8"
    & skf18("4","2","4","4","8","10","1") = "9"
    & skf18("4","2","4","4","9","1","1") = "8"
    & skf18("4","2","4","4","9","2","1") = "8"
    & skf18("4","2","4","4","9","3","1") = "8"
    & skf18("4","2","4","4","9","4","1") = "8"
    & skf18("4","2","4","4","9","5","1") = "8"
    & skf18("4","2","4","4","9","6","1") = "8"
    & skf18("4","2","4","4","9","7","1") = "8"
    & skf18("4","2","4","4","9","8","1") = "8"
    & skf18("4","2","4","4","9","9","1") = "8"
    & skf18("4","2","4","4","9","10","1") = "9"
    & skf18("4","2","4","4","10","1","1") = "9"
    & skf18("4","2","4","4","10","2","1") = "9"
    & skf18("4","2","4","4","10","3","1") = "9"
    & skf18("4","2","4","4","10","4","1") = "9"
    & skf18("4","2","4","4","10","5","1") = "9"
    & skf18("4","2","4","4","10","6","1") = "9"
    & skf18("4","2","4","4","10","7","1") = "9"
    & skf18("4","2","4","4","10","8","1") = "9"
    & skf18("4","2","4","4","10","9","1") = "9"
    & skf18("4","2","4","4","10","10","1") = "9"
    & skf18("4","2","4","5","1","1","1") = "4"
    & skf18("4","2","4","5","1","2","1") = "4"
    & skf18("4","2","4","5","1","3","1") = "4"
    & skf18("4","2","4","5","1","4","1") = "4"
    & skf18("4","2","4","5","1","5","1") = "4"
    & skf18("4","2","4","5","1","6","1") = "5"
    & skf18("4","2","4","5","1","7","1") = "6"
    & skf18("4","2","4","5","1","8","1") = "7"
    & skf18("4","2","4","5","1","9","1") = "8"
    & skf18("4","2","4","5","1","10","1") = "9"
    & skf18("4","2","4","5","2","1","1") = "4"
    & skf18("4","2","4","5","2","2","1") = "4"
    & skf18("4","2","4","5","2","3","1") = "4"
    & skf18("4","2","4","5","2","4","1") = "4"
    & skf18("4","2","4","5","2","5","1") = "4"
    & skf18("4","2","4","5","2","6","1") = "5"
    & skf18("4","2","4","5","2","7","1") = "6"
    & skf18("4","2","4","5","2","8","1") = "7"
    & skf18("4","2","4","5","2","9","1") = "8"
    & skf18("4","2","4","5","2","10","1") = "9"
    & skf18("4","2","4","5","3","1","1") = "4"
    & skf18("4","2","4","5","3","2","1") = "4"
    & skf18("4","2","4","5","3","3","1") = "4"
    & skf18("4","2","4","5","3","4","1") = "4"
    & skf18("4","2","4","5","3","5","1") = "4"
    & skf18("4","2","4","5","3","6","1") = "5"
    & skf18("4","2","4","5","3","7","1") = "6"
    & skf18("4","2","4","5","3","8","1") = "7"
    & skf18("4","2","4","5","3","9","1") = "8"
    & skf18("4","2","4","5","3","10","1") = "9"
    & skf18("4","2","4","5","4","1","1") = "4"
    & skf18("4","2","4","5","4","2","1") = "4"
    & skf18("4","2","4","5","4","3","1") = "4"
    & skf18("4","2","4","5","4","4","1") = "4"
    & skf18("4","2","4","5","4","5","1") = "4"
    & skf18("4","2","4","5","4","6","1") = "5"
    & skf18("4","2","4","5","4","7","1") = "6"
    & skf18("4","2","4","5","4","8","1") = "7"
    & skf18("4","2","4","5","4","9","1") = "8"
    & skf18("4","2","4","5","4","10","1") = "9"
    & skf18("4","2","4","5","5","1","1") = "4"
    & skf18("4","2","4","5","5","2","1") = "4"
    & skf18("4","2","4","5","5","3","1") = "4"
    & skf18("4","2","4","5","5","4","1") = "4"
    & skf18("4","2","4","5","5","5","1") = "4"
    & skf18("4","2","4","5","5","6","1") = "5"
    & skf18("4","2","4","5","5","7","1") = "6"
    & skf18("4","2","4","5","5","8","1") = "7"
    & skf18("4","2","4","5","5","9","1") = "8"
    & skf18("4","2","4","5","5","10","1") = "9"
    & skf18("4","2","4","5","6","1","1") = "5"
    & skf18("4","2","4","5","6","2","1") = "5"
    & skf18("4","2","4","5","6","3","1") = "5"
    & skf18("4","2","4","5","6","4","1") = "5"
    & skf18("4","2","4","5","6","5","1") = "5"
    & skf18("4","2","4","5","6","6","1") = "5"
    & skf18("4","2","4","5","6","7","1") = "6"
    & skf18("4","2","4","5","6","8","1") = "7"
    & skf18("4","2","4","5","6","9","1") = "8"
    & skf18("4","2","4","5","6","10","1") = "9"
    & skf18("4","2","4","5","7","1","1") = "6"
    & skf18("4","2","4","5","7","2","1") = "6"
    & skf18("4","2","4","5","7","3","1") = "6"
    & skf18("4","2","4","5","7","4","1") = "6"
    & skf18("4","2","4","5","7","5","1") = "6"
    & skf18("4","2","4","5","7","6","1") = "6"
    & skf18("4","2","4","5","7","7","1") = "6"
    & skf18("4","2","4","5","7","8","1") = "7"
    & skf18("4","2","4","5","7","9","1") = "8"
    & skf18("4","2","4","5","7","10","1") = "9"
    & skf18("4","2","4","5","8","1","1") = "7"
    & skf18("4","2","4","5","8","2","1") = "7"
    & skf18("4","2","4","5","8","3","1") = "7"
    & skf18("4","2","4","5","8","4","1") = "7"
    & skf18("4","2","4","5","8","5","1") = "7"
    & skf18("4","2","4","5","8","6","1") = "7"
    & skf18("4","2","4","5","8","7","1") = "7"
    & skf18("4","2","4","5","8","8","1") = "7"
    & skf18("4","2","4","5","8","9","1") = "8"
    & skf18("4","2","4","5","8","10","1") = "9"
    & skf18("4","2","4","5","9","1","1") = "8"
    & skf18("4","2","4","5","9","2","1") = "8"
    & skf18("4","2","4","5","9","3","1") = "8"
    & skf18("4","2","4","5","9","4","1") = "8"
    & skf18("4","2","4","5","9","5","1") = "8"
    & skf18("4","2","4","5","9","6","1") = "8"
    & skf18("4","2","4","5","9","7","1") = "8"
    & skf18("4","2","4","5","9","8","1") = "8"
    & skf18("4","2","4","5","9","9","1") = "8"
    & skf18("4","2","4","5","9","10","1") = "9"
    & skf18("4","2","4","5","10","1","1") = "9"
    & skf18("4","2","4","5","10","2","1") = "9"
    & skf18("4","2","4","5","10","3","1") = "9"
    & skf18("4","2","4","5","10","4","1") = "9"
    & skf18("4","2","4","5","10","5","1") = "9"
    & skf18("4","2","4","5","10","6","1") = "9"
    & skf18("4","2","4","5","10","7","1") = "9"
    & skf18("4","2","4","5","10","8","1") = "9"
    & skf18("4","2","4","5","10","9","1") = "9"
    & skf18("4","2","4","5","10","10","1") = "9"
    & skf18("4","2","4","6","1","1","1") = "5"
    & skf18("4","2","4","6","1","2","1") = "5"
    & skf18("4","2","4","6","1","3","1") = "5"
    & skf18("4","2","4","6","1","4","1") = "5"
    & skf18("4","2","4","6","1","5","1") = "5"
    & skf18("4","2","4","6","1","6","1") = "5"
    & skf18("4","2","4","6","1","7","1") = "6"
    & skf18("4","2","4","6","1","8","1") = "7"
    & skf18("4","2","4","6","1","9","1") = "8"
    & skf18("4","2","4","6","1","10","1") = "9"
    & skf18("4","2","4","6","2","1","1") = "5"
    & skf18("4","2","4","6","2","2","1") = "5"
    & skf18("4","2","4","6","2","3","1") = "5"
    & skf18("4","2","4","6","2","4","1") = "5"
    & skf18("4","2","4","6","2","5","1") = "5"
    & skf18("4","2","4","6","2","6","1") = "5"
    & skf18("4","2","4","6","2","7","1") = "6"
    & skf18("4","2","4","6","2","8","1") = "7"
    & skf18("4","2","4","6","2","9","1") = "8"
    & skf18("4","2","4","6","2","10","1") = "9"
    & skf18("4","2","4","6","3","1","1") = "5"
    & skf18("4","2","4","6","3","2","1") = "5"
    & skf18("4","2","4","6","3","3","1") = "5"
    & skf18("4","2","4","6","3","4","1") = "5"
    & skf18("4","2","4","6","3","5","1") = "5"
    & skf18("4","2","4","6","3","6","1") = "5"
    & skf18("4","2","4","6","3","7","1") = "6"
    & skf18("4","2","4","6","3","8","1") = "7"
    & skf18("4","2","4","6","3","9","1") = "8"
    & skf18("4","2","4","6","3","10","1") = "9"
    & skf18("4","2","4","6","4","1","1") = "5"
    & skf18("4","2","4","6","4","2","1") = "5"
    & skf18("4","2","4","6","4","3","1") = "5"
    & skf18("4","2","4","6","4","4","1") = "5"
    & skf18("4","2","4","6","4","5","1") = "5"
    & skf18("4","2","4","6","4","6","1") = "5"
    & skf18("4","2","4","6","4","7","1") = "6"
    & skf18("4","2","4","6","4","8","1") = "7"
    & skf18("4","2","4","6","4","9","1") = "8"
    & skf18("4","2","4","6","4","10","1") = "9"
    & skf18("4","2","4","6","5","1","1") = "5"
    & skf18("4","2","4","6","5","2","1") = "5"
    & skf18("4","2","4","6","5","3","1") = "5"
    & skf18("4","2","4","6","5","4","1") = "5"
    & skf18("4","2","4","6","5","5","1") = "5"
    & skf18("4","2","4","6","5","6","1") = "5"
    & skf18("4","2","4","6","5","7","1") = "6"
    & skf18("4","2","4","6","5","8","1") = "7"
    & skf18("4","2","4","6","5","9","1") = "8"
    & skf18("4","2","4","6","5","10","1") = "9"
    & skf18("4","2","4","6","6","1","1") = "5"
    & skf18("4","2","4","6","6","2","1") = "5"
    & skf18("4","2","4","6","6","3","1") = "5"
    & skf18("4","2","4","6","6","4","1") = "5"
    & skf18("4","2","4","6","6","5","1") = "5"
    & skf18("4","2","4","6","6","6","1") = "5"
    & skf18("4","2","4","6","6","7","1") = "6"
    & skf18("4","2","4","6","6","8","1") = "7"
    & skf18("4","2","4","6","6","9","1") = "8"
    & skf18("4","2","4","6","6","10","1") = "9"
    & skf18("4","2","4","6","7","1","1") = "6"
    & skf18("4","2","4","6","7","2","1") = "6"
    & skf18("4","2","4","6","7","3","1") = "6"
    & skf18("4","2","4","6","7","4","1") = "6"
    & skf18("4","2","4","6","7","5","1") = "6"
    & skf18("4","2","4","6","7","6","1") = "6"
    & skf18("4","2","4","6","7","7","1") = "6"
    & skf18("4","2","4","6","7","8","1") = "7"
    & skf18("4","2","4","6","7","9","1") = "8"
    & skf18("4","2","4","6","7","10","1") = "9"
    & skf18("4","2","4","6","8","1","1") = "7"
    & skf18("4","2","4","6","8","2","1") = "7"
    & skf18("4","2","4","6","8","3","1") = "7"
    & skf18("4","2","4","6","8","4","1") = "7"
    & skf18("4","2","4","6","8","5","1") = "7"
    & skf18("4","2","4","6","8","6","1") = "7"
    & skf18("4","2","4","6","8","7","1") = "7"
    & skf18("4","2","4","6","8","8","1") = "7"
    & skf18("4","2","4","6","8","9","1") = "8"
    & skf18("4","2","4","6","8","10","1") = "9"
    & skf18("4","2","4","6","9","1","1") = "8"
    & skf18("4","2","4","6","9","2","1") = "8"
    & skf18("4","2","4","6","9","3","1") = "8"
    & skf18("4","2","4","6","9","4","1") = "8"
    & skf18("4","2","4","6","9","5","1") = "8"
    & skf18("4","2","4","6","9","6","1") = "8"
    & skf18("4","2","4","6","9","7","1") = "8"
    & skf18("4","2","4","6","9","8","1") = "8"
    & skf18("4","2","4","6","9","9","1") = "8"
    & skf18("4","2","4","6","9","10","1") = "9"
    & skf18("4","2","4","6","10","1","1") = "9"
    & skf18("4","2","4","6","10","2","1") = "9"
    & skf18("4","2","4","6","10","3","1") = "9"
    & skf18("4","2","4","6","10","4","1") = "9"
    & skf18("4","2","4","6","10","5","1") = "9"
    & skf18("4","2","4","6","10","6","1") = "9"
    & skf18("4","2","4","6","10","7","1") = "9"
    & skf18("4","2","4","6","10","8","1") = "9"
    & skf18("4","2","4","6","10","9","1") = "9"
    & skf18("4","2","4","6","10","10","1") = "9"
    & skf18("4","2","4","7","1","1","1") = "6"
    & skf18("4","2","4","7","1","2","1") = "6"
    & skf18("4","2","4","7","1","3","1") = "6"
    & skf18("4","2","4","7","1","4","1") = "6"
    & skf18("4","2","4","7","1","5","1") = "6"
    & skf18("4","2","4","7","1","6","1") = "6"
    & skf18("4","2","4","7","1","7","1") = "6"
    & skf18("4","2","4","7","1","8","1") = "7"
    & skf18("4","2","4","7","1","9","1") = "8"
    & skf18("4","2","4","7","1","10","1") = "9"
    & skf18("4","2","4","7","2","1","1") = "6"
    & skf18("4","2","4","7","2","2","1") = "6"
    & skf18("4","2","4","7","2","3","1") = "6"
    & skf18("4","2","4","7","2","4","1") = "6"
    & skf18("4","2","4","7","2","5","1") = "6"
    & skf18("4","2","4","7","2","6","1") = "6"
    & skf18("4","2","4","7","2","7","1") = "6"
    & skf18("4","2","4","7","2","8","1") = "7"
    & skf18("4","2","4","7","2","9","1") = "8"
    & skf18("4","2","4","7","2","10","1") = "9"
    & skf18("4","2","4","7","3","1","1") = "6"
    & skf18("4","2","4","7","3","2","1") = "6"
    & skf18("4","2","4","7","3","3","1") = "6"
    & skf18("4","2","4","7","3","4","1") = "6"
    & skf18("4","2","4","7","3","5","1") = "6"
    & skf18("4","2","4","7","3","6","1") = "6"
    & skf18("4","2","4","7","3","7","1") = "6"
    & skf18("4","2","4","7","3","8","1") = "7"
    & skf18("4","2","4","7","3","9","1") = "8"
    & skf18("4","2","4","7","3","10","1") = "9"
    & skf18("4","2","4","7","4","1","1") = "6"
    & skf18("4","2","4","7","4","2","1") = "6"
    & skf18("4","2","4","7","4","3","1") = "6"
    & skf18("4","2","4","7","4","4","1") = "6"
    & skf18("4","2","4","7","4","5","1") = "6"
    & skf18("4","2","4","7","4","6","1") = "6"
    & skf18("4","2","4","7","4","7","1") = "6"
    & skf18("4","2","4","7","4","8","1") = "7"
    & skf18("4","2","4","7","4","9","1") = "8"
    & skf18("4","2","4","7","4","10","1") = "9"
    & skf18("4","2","4","7","5","1","1") = "6"
    & skf18("4","2","4","7","5","2","1") = "6"
    & skf18("4","2","4","7","5","3","1") = "6"
    & skf18("4","2","4","7","5","4","1") = "6"
    & skf18("4","2","4","7","5","5","1") = "6"
    & skf18("4","2","4","7","5","6","1") = "6"
    & skf18("4","2","4","7","5","7","1") = "6"
    & skf18("4","2","4","7","5","8","1") = "7"
    & skf18("4","2","4","7","5","9","1") = "8"
    & skf18("4","2","4","7","5","10","1") = "9"
    & skf18("4","2","4","7","6","1","1") = "6"
    & skf18("4","2","4","7","6","2","1") = "6"
    & skf18("4","2","4","7","6","3","1") = "6"
    & skf18("4","2","4","7","6","4","1") = "6"
    & skf18("4","2","4","7","6","5","1") = "6"
    & skf18("4","2","4","7","6","6","1") = "6"
    & skf18("4","2","4","7","6","7","1") = "6"
    & skf18("4","2","4","7","6","8","1") = "7"
    & skf18("4","2","4","7","6","9","1") = "8"
    & skf18("4","2","4","7","6","10","1") = "9"
    & skf18("4","2","4","7","7","1","1") = "6"
    & skf18("4","2","4","7","7","2","1") = "6"
    & skf18("4","2","4","7","7","3","1") = "6"
    & skf18("4","2","4","7","7","4","1") = "6"
    & skf18("4","2","4","7","7","5","1") = "6"
    & skf18("4","2","4","7","7","6","1") = "6"
    & skf18("4","2","4","7","7","7","1") = "6"
    & skf18("4","2","4","7","7","8","1") = "7"
    & skf18("4","2","4","7","7","9","1") = "8"
    & skf18("4","2","4","7","7","10","1") = "9"
    & skf18("4","2","4","7","8","1","1") = "7"
    & skf18("4","2","4","7","8","2","1") = "7"
    & skf18("4","2","4","7","8","3","1") = "7"
    & skf18("4","2","4","7","8","4","1") = "7"
    & skf18("4","2","4","7","8","5","1") = "7"
    & skf18("4","2","4","7","8","6","1") = "7"
    & skf18("4","2","4","7","8","7","1") = "7"
    & skf18("4","2","4","7","8","8","1") = "7"
    & skf18("4","2","4","7","8","9","1") = "8"
    & skf18("4","2","4","7","8","10","1") = "9"
    & skf18("4","2","4","7","9","1","1") = "8"
    & skf18("4","2","4","7","9","2","1") = "8"
    & skf18("4","2","4","7","9","3","1") = "8"
    & skf18("4","2","4","7","9","4","1") = "8"
    & skf18("4","2","4","7","9","5","1") = "8"
    & skf18("4","2","4","7","9","6","1") = "8"
    & skf18("4","2","4","7","9","7","1") = "8"
    & skf18("4","2","4","7","9","8","1") = "8"
    & skf18("4","2","4","7","9","9","1") = "8"
    & skf18("4","2","4","7","9","10","1") = "9"
    & skf18("4","2","4","7","10","1","1") = "9"
    & skf18("4","2","4","7","10","2","1") = "9"
    & skf18("4","2","4","7","10","3","1") = "9"
    & skf18("4","2","4","7","10","4","1") = "9"
    & skf18("4","2","4","7","10","5","1") = "9"
    & skf18("4","2","4","7","10","6","1") = "9"
    & skf18("4","2","4","7","10","7","1") = "9"
    & skf18("4","2","4","7","10","8","1") = "9"
    & skf18("4","2","4","7","10","9","1") = "9"
    & skf18("4","2","4","7","10","10","1") = "9"
    & skf18("4","2","4","8","1","1","1") = "7"
    & skf18("4","2","4","8","1","2","1") = "7"
    & skf18("4","2","4","8","1","3","1") = "7"
    & skf18("4","2","4","8","1","4","1") = "7"
    & skf18("4","2","4","8","1","5","1") = "7"
    & skf18("4","2","4","8","1","6","1") = "7"
    & skf18("4","2","4","8","1","7","1") = "7"
    & skf18("4","2","4","8","1","8","1") = "7"
    & skf18("4","2","4","8","1","9","1") = "8"
    & skf18("4","2","4","8","1","10","1") = "9"
    & skf18("4","2","4","8","2","1","1") = "7"
    & skf18("4","2","4","8","2","2","1") = "7"
    & skf18("4","2","4","8","2","3","1") = "7"
    & skf18("4","2","4","8","2","4","1") = "7"
    & skf18("4","2","4","8","2","5","1") = "7"
    & skf18("4","2","4","8","2","6","1") = "7"
    & skf18("4","2","4","8","2","7","1") = "7"
    & skf18("4","2","4","8","2","8","1") = "7"
    & skf18("4","2","4","8","2","9","1") = "8"
    & skf18("4","2","4","8","2","10","1") = "9"
    & skf18("4","2","4","8","3","1","1") = "7"
    & skf18("4","2","4","8","3","2","1") = "7"
    & skf18("4","2","4","8","3","3","1") = "7"
    & skf18("4","2","4","8","3","4","1") = "7"
    & skf18("4","2","4","8","3","5","1") = "7"
    & skf18("4","2","4","8","3","6","1") = "7"
    & skf18("4","2","4","8","3","7","1") = "7"
    & skf18("4","2","4","8","3","8","1") = "7"
    & skf18("4","2","4","8","3","9","1") = "8"
    & skf18("4","2","4","8","3","10","1") = "9"
    & skf18("4","2","4","8","4","1","1") = "7"
    & skf18("4","2","4","8","4","2","1") = "7"
    & skf18("4","2","4","8","4","3","1") = "7"
    & skf18("4","2","4","8","4","4","1") = "7"
    & skf18("4","2","4","8","4","5","1") = "7"
    & skf18("4","2","4","8","4","6","1") = "7"
    & skf18("4","2","4","8","4","7","1") = "7"
    & skf18("4","2","4","8","4","8","1") = "7"
    & skf18("4","2","4","8","4","9","1") = "8"
    & skf18("4","2","4","8","4","10","1") = "9"
    & skf18("4","2","4","8","5","1","1") = "7"
    & skf18("4","2","4","8","5","2","1") = "7"
    & skf18("4","2","4","8","5","3","1") = "7"
    & skf18("4","2","4","8","5","4","1") = "7"
    & skf18("4","2","4","8","5","5","1") = "7"
    & skf18("4","2","4","8","5","6","1") = "7"
    & skf18("4","2","4","8","5","7","1") = "7"
    & skf18("4","2","4","8","5","8","1") = "7"
    & skf18("4","2","4","8","5","9","1") = "8"
    & skf18("4","2","4","8","5","10","1") = "9"
    & skf18("4","2","4","8","6","1","1") = "7"
    & skf18("4","2","4","8","6","2","1") = "7"
    & skf18("4","2","4","8","6","3","1") = "7"
    & skf18("4","2","4","8","6","4","1") = "7"
    & skf18("4","2","4","8","6","5","1") = "7"
    & skf18("4","2","4","8","6","6","1") = "7"
    & skf18("4","2","4","8","6","7","1") = "7"
    & skf18("4","2","4","8","6","8","1") = "7"
    & skf18("4","2","4","8","6","9","1") = "8"
    & skf18("4","2","4","8","6","10","1") = "9"
    & skf18("4","2","4","8","7","1","1") = "7"
    & skf18("4","2","4","8","7","2","1") = "7"
    & skf18("4","2","4","8","7","3","1") = "7"
    & skf18("4","2","4","8","7","4","1") = "7"
    & skf18("4","2","4","8","7","5","1") = "7"
    & skf18("4","2","4","8","7","6","1") = "7"
    & skf18("4","2","4","8","7","7","1") = "7"
    & skf18("4","2","4","8","7","8","1") = "7"
    & skf18("4","2","4","8","7","9","1") = "8"
    & skf18("4","2","4","8","7","10","1") = "9"
    & skf18("4","2","4","8","8","1","1") = "7"
    & skf18("4","2","4","8","8","2","1") = "7"
    & skf18("4","2","4","8","8","3","1") = "7"
    & skf18("4","2","4","8","8","4","1") = "7"
    & skf18("4","2","4","8","8","5","1") = "7"
    & skf18("4","2","4","8","8","6","1") = "7"
    & skf18("4","2","4","8","8","7","1") = "7"
    & skf18("4","2","4","8","8","8","1") = "7"
    & skf18("4","2","4","8","8","9","1") = "8"
    & skf18("4","2","4","8","8","10","1") = "9"
    & skf18("4","2","4","8","9","1","1") = "8"
    & skf18("4","2","4","8","9","2","1") = "8"
    & skf18("4","2","4","8","9","3","1") = "8"
    & skf18("4","2","4","8","9","4","1") = "8"
    & skf18("4","2","4","8","9","5","1") = "8"
    & skf18("4","2","4","8","9","6","1") = "8"
    & skf18("4","2","4","8","9","7","1") = "8"
    & skf18("4","2","4","8","9","8","1") = "8"
    & skf18("4","2","4","8","9","9","1") = "8"
    & skf18("4","2","4","8","9","10","1") = "9"
    & skf18("4","2","4","8","10","1","1") = "9"
    & skf18("4","2","4","8","10","2","1") = "9"
    & skf18("4","2","4","8","10","3","1") = "9"
    & skf18("4","2","4","8","10","4","1") = "9"
    & skf18("4","2","4","8","10","5","1") = "9"
    & skf18("4","2","4","8","10","6","1") = "9"
    & skf18("4","2","4","8","10","7","1") = "9"
    & skf18("4","2","4","8","10","8","1") = "9"
    & skf18("4","2","4","8","10","9","1") = "9"
    & skf18("4","2","4","8","10","10","1") = "9"
    & skf18("4","2","4","9","1","1","1") = "8"
    & skf18("4","2","4","9","1","2","1") = "8"
    & skf18("4","2","4","9","1","3","1") = "8"
    & skf18("4","2","4","9","1","4","1") = "8"
    & skf18("4","2","4","9","1","5","1") = "8"
    & skf18("4","2","4","9","1","6","1") = "8"
    & skf18("4","2","4","9","1","7","1") = "8"
    & skf18("4","2","4","9","1","8","1") = "8"
    & skf18("4","2","4","9","1","9","1") = "8"
    & skf18("4","2","4","9","1","10","1") = "9"
    & skf18("4","2","4","9","2","1","1") = "8"
    & skf18("4","2","4","9","2","2","1") = "8"
    & skf18("4","2","4","9","2","3","1") = "8"
    & skf18("4","2","4","9","2","4","1") = "8"
    & skf18("4","2","4","9","2","5","1") = "8"
    & skf18("4","2","4","9","2","6","1") = "8"
    & skf18("4","2","4","9","2","7","1") = "8"
    & skf18("4","2","4","9","2","8","1") = "8"
    & skf18("4","2","4","9","2","9","1") = "8"
    & skf18("4","2","4","9","2","10","1") = "9"
    & skf18("4","2","4","9","3","1","1") = "8"
    & skf18("4","2","4","9","3","2","1") = "8"
    & skf18("4","2","4","9","3","3","1") = "8"
    & skf18("4","2","4","9","3","4","1") = "8"
    & skf18("4","2","4","9","3","5","1") = "8"
    & skf18("4","2","4","9","3","6","1") = "8"
    & skf18("4","2","4","9","3","7","1") = "8"
    & skf18("4","2","4","9","3","8","1") = "8"
    & skf18("4","2","4","9","3","9","1") = "8"
    & skf18("4","2","4","9","3","10","1") = "9"
    & skf18("4","2","4","9","4","1","1") = "8"
    & skf18("4","2","4","9","4","2","1") = "8"
    & skf18("4","2","4","9","4","3","1") = "8"
    & skf18("4","2","4","9","4","4","1") = "8"
    & skf18("4","2","4","9","4","5","1") = "8"
    & skf18("4","2","4","9","4","6","1") = "8"
    & skf18("4","2","4","9","4","7","1") = "8"
    & skf18("4","2","4","9","4","8","1") = "8"
    & skf18("4","2","4","9","4","9","1") = "8"
    & skf18("4","2","4","9","4","10","1") = "9"
    & skf18("4","2","4","9","5","1","1") = "8"
    & skf18("4","2","4","9","5","2","1") = "8"
    & skf18("4","2","4","9","5","3","1") = "8"
    & skf18("4","2","4","9","5","4","1") = "8"
    & skf18("4","2","4","9","5","5","1") = "8"
    & skf18("4","2","4","9","5","6","1") = "8"
    & skf18("4","2","4","9","5","7","1") = "8"
    & skf18("4","2","4","9","5","8","1") = "8"
    & skf18("4","2","4","9","5","9","1") = "8"
    & skf18("4","2","4","9","5","10","1") = "9"
    & skf18("4","2","4","9","6","1","1") = "8"
    & skf18("4","2","4","9","6","2","1") = "8"
    & skf18("4","2","4","9","6","3","1") = "8"
    & skf18("4","2","4","9","6","4","1") = "8"
    & skf18("4","2","4","9","6","5","1") = "8"
    & skf18("4","2","4","9","6","6","1") = "8"
    & skf18("4","2","4","9","6","7","1") = "8"
    & skf18("4","2","4","9","6","8","1") = "8"
    & skf18("4","2","4","9","6","9","1") = "8"
    & skf18("4","2","4","9","6","10","1") = "9"
    & skf18("4","2","4","9","7","1","1") = "8"
    & skf18("4","2","4","9","7","2","1") = "8"
    & skf18("4","2","4","9","7","3","1") = "8"
    & skf18("4","2","4","9","7","4","1") = "8"
    & skf18("4","2","4","9","7","5","1") = "8"
    & skf18("4","2","4","9","7","6","1") = "8"
    & skf18("4","2","4","9","7","7","1") = "8"
    & skf18("4","2","4","9","7","8","1") = "8"
    & skf18("4","2","4","9","7","9","1") = "8"
    & skf18("4","2","4","9","7","10","1") = "9"
    & skf18("4","2","4","9","8","1","1") = "8"
    & skf18("4","2","4","9","8","2","1") = "8"
    & skf18("4","2","4","9","8","3","1") = "8"
    & skf18("4","2","4","9","8","4","1") = "8"
    & skf18("4","2","4","9","8","5","1") = "8"
    & skf18("4","2","4","9","8","6","1") = "8"
    & skf18("4","2","4","9","8","7","1") = "8"
    & skf18("4","2","4","9","8","8","1") = "8"
    & skf18("4","2","4","9","8","9","1") = "8"
    & skf18("4","2","4","9","8","10","1") = "9"
    & skf18("4","2","4","9","9","1","1") = "8"
    & skf18("4","2","4","9","9","2","1") = "8"
    & skf18("4","2","4","9","9","3","1") = "8"
    & skf18("4","2","4","9","9","4","1") = "8"
    & skf18("4","2","4","9","9","5","1") = "8"
    & skf18("4","2","4","9","9","6","1") = "8"
    & skf18("4","2","4","9","9","7","1") = "8"
    & skf18("4","2","4","9","9","8","1") = "8"
    & skf18("4","2","4","9","9","9","1") = "8"
    & skf18("4","2","4","9","9","10","1") = "9"
    & skf18("4","2","4","9","10","1","1") = "9"
    & skf18("4","2","4","9","10","2","1") = "9"
    & skf18("4","2","4","9","10","3","1") = "9"
    & skf18("4","2","4","9","10","4","1") = "9"
    & skf18("4","2","4","9","10","5","1") = "9"
    & skf18("4","2","4","9","10","6","1") = "9"
    & skf18("4","2","4","9","10","7","1") = "9"
    & skf18("4","2","4","9","10","8","1") = "9"
    & skf18("4","2","4","9","10","9","1") = "9"
    & skf18("4","2","4","9","10","10","1") = "9"
    & skf18("4","2","4","10","1","1","1") = "9"
    & skf18("4","2","4","10","1","2","1") = "9"
    & skf18("4","2","4","10","1","3","1") = "9"
    & skf18("4","2","4","10","1","4","1") = "9"
    & skf18("4","2","4","10","1","5","1") = "9"
    & skf18("4","2","4","10","1","6","1") = "9"
    & skf18("4","2","4","10","1","7","1") = "9"
    & skf18("4","2","4","10","1","8","1") = "9"
    & skf18("4","2","4","10","1","9","1") = "9"
    & skf18("4","2","4","10","1","10","1") = "9"
    & skf18("4","2","4","10","2","1","1") = "9"
    & skf18("4","2","4","10","2","2","1") = "9"
    & skf18("4","2","4","10","2","3","1") = "9"
    & skf18("4","2","4","10","2","4","1") = "9"
    & skf18("4","2","4","10","2","5","1") = "9"
    & skf18("4","2","4","10","2","6","1") = "9"
    & skf18("4","2","4","10","2","7","1") = "9"
    & skf18("4","2","4","10","2","8","1") = "9"
    & skf18("4","2","4","10","2","9","1") = "9"
    & skf18("4","2","4","10","2","10","1") = "9"
    & skf18("4","2","4","10","3","1","1") = "9"
    & skf18("4","2","4","10","3","2","1") = "9"
    & skf18("4","2","4","10","3","3","1") = "9"
    & skf18("4","2","4","10","3","4","1") = "9"
    & skf18("4","2","4","10","3","5","1") = "9"
    & skf18("4","2","4","10","3","6","1") = "9"
    & skf18("4","2","4","10","3","7","1") = "9"
    & skf18("4","2","4","10","3","8","1") = "9"
    & skf18("4","2","4","10","3","9","1") = "9"
    & skf18("4","2","4","10","3","10","1") = "9"
    & skf18("4","2","4","10","4","1","1") = "9"
    & skf18("4","2","4","10","4","2","1") = "9"
    & skf18("4","2","4","10","4","3","1") = "9"
    & skf18("4","2","4","10","4","4","1") = "9"
    & skf18("4","2","4","10","4","5","1") = "9"
    & skf18("4","2","4","10","4","6","1") = "9"
    & skf18("4","2","4","10","4","7","1") = "9"
    & skf18("4","2","4","10","4","8","1") = "9"
    & skf18("4","2","4","10","4","9","1") = "9"
    & skf18("4","2","4","10","4","10","1") = "9"
    & skf18("4","2","4","10","5","1","1") = "9"
    & skf18("4","2","4","10","5","2","1") = "9"
    & skf18("4","2","4","10","5","3","1") = "9"
    & skf18("4","2","4","10","5","4","1") = "9"
    & skf18("4","2","4","10","5","5","1") = "9"
    & skf18("4","2","4","10","5","6","1") = "9"
    & skf18("4","2","4","10","5","7","1") = "9"
    & skf18("4","2","4","10","5","8","1") = "9"
    & skf18("4","2","4","10","5","9","1") = "9"
    & skf18("4","2","4","10","5","10","1") = "9"
    & skf18("4","2","4","10","6","1","1") = "9"
    & skf18("4","2","4","10","6","2","1") = "9"
    & skf18("4","2","4","10","6","3","1") = "9"
    & skf18("4","2","4","10","6","4","1") = "9"
    & skf18("4","2","4","10","6","5","1") = "9"
    & skf18("4","2","4","10","6","6","1") = "9"
    & skf18("4","2","4","10","6","7","1") = "9"
    & skf18("4","2","4","10","6","8","1") = "9"
    & skf18("4","2","4","10","6","9","1") = "9"
    & skf18("4","2","4","10","6","10","1") = "9"
    & skf18("4","2","4","10","7","1","1") = "9"
    & skf18("4","2","4","10","7","2","1") = "9"
    & skf18("4","2","4","10","7","3","1") = "9"
    & skf18("4","2","4","10","7","4","1") = "9"
    & skf18("4","2","4","10","7","5","1") = "9"
    & skf18("4","2","4","10","7","6","1") = "9"
    & skf18("4","2","4","10","7","7","1") = "9"
    & skf18("4","2","4","10","7","8","1") = "9"
    & skf18("4","2","4","10","7","9","1") = "9"
    & skf18("4","2","4","10","7","10","1") = "9"
    & skf18("4","2","4","10","8","1","1") = "9"
    & skf18("4","2","4","10","8","2","1") = "9"
    & skf18("4","2","4","10","8","3","1") = "9"
    & skf18("4","2","4","10","8","4","1") = "9"
    & skf18("4","2","4","10","8","5","1") = "9"
    & skf18("4","2","4","10","8","6","1") = "9"
    & skf18("4","2","4","10","8","7","1") = "9"
    & skf18("4","2","4","10","8","8","1") = "9"
    & skf18("4","2","4","10","8","9","1") = "9"
    & skf18("4","2","4","10","8","10","1") = "9"
    & skf18("4","2","4","10","9","1","1") = "9"
    & skf18("4","2","4","10","9","2","1") = "9"
    & skf18("4","2","4","10","9","3","1") = "9"
    & skf18("4","2","4","10","9","4","1") = "9"
    & skf18("4","2","4","10","9","5","1") = "9"
    & skf18("4","2","4","10","9","6","1") = "9"
    & skf18("4","2","4","10","9","7","1") = "9"
    & skf18("4","2","4","10","9","8","1") = "9"
    & skf18("4","2","4","10","9","9","1") = "9"
    & skf18("4","2","4","10","9","10","1") = "9"
    & skf18("4","2","4","10","10","1","1") = "9"
    & skf18("4","2","4","10","10","2","1") = "9"
    & skf18("4","2","4","10","10","3","1") = "9"
    & skf18("4","2","4","10","10","4","1") = "9"
    & skf18("4","2","4","10","10","5","1") = "9"
    & skf18("4","2","4","10","10","6","1") = "9"
    & skf18("4","2","4","10","10","7","1") = "9"
    & skf18("4","2","4","10","10","8","1") = "9"
    & skf18("4","2","4","10","10","9","1") = "9"
    & skf18("4","2","4","10","10","10","1") = "9"
    & skf18("4","2","5","1","1","1","1") = "4"
    & skf18("4","2","5","1","1","2","1") = "4"
    & skf18("4","2","5","1","1","3","1") = "4"
    & skf18("4","2","5","1","1","4","1") = "4"
    & skf18("4","2","5","1","1","5","1") = "4"
    & skf18("4","2","5","1","1","6","1") = "5"
    & skf18("4","2","5","1","1","7","1") = "6"
    & skf18("4","2","5","1","1","8","1") = "7"
    & skf18("4","2","5","1","1","9","1") = "8"
    & skf18("4","2","5","1","1","10","1") = "9"
    & skf18("4","2","5","1","2","1","1") = "4"
    & skf18("4","2","5","1","2","2","1") = "4"
    & skf18("4","2","5","1","2","3","1") = "4"
    & skf18("4","2","5","1","2","4","1") = "4"
    & skf18("4","2","5","1","2","5","1") = "4"
    & skf18("4","2","5","1","2","6","1") = "5"
    & skf18("4","2","5","1","2","7","1") = "6"
    & skf18("4","2","5","1","2","8","1") = "7"
    & skf18("4","2","5","1","2","9","1") = "8"
    & skf18("4","2","5","1","2","10","1") = "9"
    & skf18("4","2","5","1","3","1","1") = "4"
    & skf18("4","2","5","1","3","2","1") = "4"
    & skf18("4","2","5","1","3","3","1") = "4"
    & skf18("4","2","5","1","3","4","1") = "4"
    & skf18("4","2","5","1","3","5","1") = "4"
    & skf18("4","2","5","1","3","6","1") = "5"
    & skf18("4","2","5","1","3","7","1") = "6"
    & skf18("4","2","5","1","3","8","1") = "7"
    & skf18("4","2","5","1","3","9","1") = "8"
    & skf18("4","2","5","1","3","10","1") = "9"
    & skf18("4","2","5","1","4","1","1") = "4"
    & skf18("4","2","5","1","4","2","1") = "4"
    & skf18("4","2","5","1","4","3","1") = "4"
    & skf18("4","2","5","1","4","4","1") = "4"
    & skf18("4","2","5","1","4","5","1") = "4"
    & skf18("4","2","5","1","4","6","1") = "5"
    & skf18("4","2","5","1","4","7","1") = "6"
    & skf18("4","2","5","1","4","8","1") = "7"
    & skf18("4","2","5","1","4","9","1") = "8"
    & skf18("4","2","5","1","4","10","1") = "9"
    & skf18("4","2","5","1","5","1","1") = "4"
    & skf18("4","2","5","1","5","2","1") = "4"
    & skf18("4","2","5","1","5","3","1") = "4"
    & skf18("4","2","5","1","5","4","1") = "4"
    & skf18("4","2","5","1","5","5","1") = "4"
    & skf18("4","2","5","1","5","6","1") = "5"
    & skf18("4","2","5","1","5","7","1") = "6"
    & skf18("4","2","5","1","5","8","1") = "7"
    & skf18("4","2","5","1","5","9","1") = "8"
    & skf18("4","2","5","1","5","10","1") = "9"
    & skf18("4","2","5","1","6","1","1") = "5"
    & skf18("4","2","5","1","6","2","1") = "5"
    & skf18("4","2","5","1","6","3","1") = "5"
    & skf18("4","2","5","1","6","4","1") = "5"
    & skf18("4","2","5","1","6","5","1") = "5"
    & skf18("4","2","5","1","6","6","1") = "5"
    & skf18("4","2","5","1","6","7","1") = "6"
    & skf18("4","2","5","1","6","8","1") = "7"
    & skf18("4","2","5","1","6","9","1") = "8"
    & skf18("4","2","5","1","6","10","1") = "9"
    & skf18("4","2","5","1","7","1","1") = "6"
    & skf18("4","2","5","1","7","2","1") = "6"
    & skf18("4","2","5","1","7","3","1") = "6"
    & skf18("4","2","5","1","7","4","1") = "6"
    & skf18("4","2","5","1","7","5","1") = "6"
    & skf18("4","2","5","1","7","6","1") = "6"
    & skf18("4","2","5","1","7","7","1") = "6"
    & skf18("4","2","5","1","7","8","1") = "7"
    & skf18("4","2","5","1","7","9","1") = "8"
    & skf18("4","2","5","1","7","10","1") = "9"
    & skf18("4","2","5","1","8","1","1") = "7"
    & skf18("4","2","5","1","8","2","1") = "7"
    & skf18("4","2","5","1","8","3","1") = "7"
    & skf18("4","2","5","1","8","4","1") = "7"
    & skf18("4","2","5","1","8","5","1") = "7"
    & skf18("4","2","5","1","8","6","1") = "7"
    & skf18("4","2","5","1","8","7","1") = "7"
    & skf18("4","2","5","1","8","8","1") = "7"
    & skf18("4","2","5","1","8","9","1") = "8"
    & skf18("4","2","5","1","8","10","1") = "9"
    & skf18("4","2","5","1","9","1","1") = "8"
    & skf18("4","2","5","1","9","2","1") = "8"
    & skf18("4","2","5","1","9","3","1") = "8"
    & skf18("4","2","5","1","9","4","1") = "8"
    & skf18("4","2","5","1","9","5","1") = "8"
    & skf18("4","2","5","1","9","6","1") = "8"
    & skf18("4","2","5","1","9","7","1") = "8"
    & skf18("4","2","5","1","9","8","1") = "8"
    & skf18("4","2","5","1","9","9","1") = "8"
    & skf18("4","2","5","1","9","10","1") = "9"
    & skf18("4","2","5","1","10","1","1") = "9"
    & skf18("4","2","5","1","10","2","1") = "9"
    & skf18("4","2","5","1","10","3","1") = "9"
    & skf18("4","2","5","1","10","4","1") = "9"
    & skf18("4","2","5","1","10","5","1") = "9"
    & skf18("4","2","5","1","10","6","1") = "9"
    & skf18("4","2","5","1","10","7","1") = "9"
    & skf18("4","2","5","1","10","8","1") = "9"
    & skf18("4","2","5","1","10","9","1") = "9"
    & skf18("4","2","5","1","10","10","1") = "9"
    & skf18("4","2","5","2","1","1","1") = "4"
    & skf18("4","2","5","2","1","2","1") = "4"
    & skf18("4","2","5","2","1","3","1") = "4"
    & skf18("4","2","5","2","1","4","1") = "4"
    & skf18("4","2","5","2","1","5","1") = "4"
    & skf18("4","2","5","2","1","6","1") = "5"
    & skf18("4","2","5","2","1","7","1") = "6"
    & skf18("4","2","5","2","1","8","1") = "7"
    & skf18("4","2","5","2","1","9","1") = "8"
    & skf18("4","2","5","2","1","10","1") = "9"
    & skf18("4","2","5","2","2","1","1") = "4"
    & skf18("4","2","5","2","2","2","1") = "4"
    & skf18("4","2","5","2","2","3","1") = "4"
    & skf18("4","2","5","2","2","4","1") = "4"
    & skf18("4","2","5","2","2","5","1") = "4"
    & skf18("4","2","5","2","2","6","1") = "5"
    & skf18("4","2","5","2","2","7","1") = "6"
    & skf18("4","2","5","2","2","8","1") = "7"
    & skf18("4","2","5","2","2","9","1") = "8"
    & skf18("4","2","5","2","2","10","1") = "9"
    & skf18("4","2","5","2","3","1","1") = "4"
    & skf18("4","2","5","2","3","2","1") = "4"
    & skf18("4","2","5","2","3","3","1") = "4"
    & skf18("4","2","5","2","3","4","1") = "4"
    & skf18("4","2","5","2","3","5","1") = "4"
    & skf18("4","2","5","2","3","6","1") = "5"
    & skf18("4","2","5","2","3","7","1") = "6"
    & skf18("4","2","5","2","3","8","1") = "7"
    & skf18("4","2","5","2","3","9","1") = "8"
    & skf18("4","2","5","2","3","10","1") = "9"
    & skf18("4","2","5","2","4","1","1") = "4"
    & skf18("4","2","5","2","4","2","1") = "4"
    & skf18("4","2","5","2","4","3","1") = "4"
    & skf18("4","2","5","2","4","4","1") = "4"
    & skf18("4","2","5","2","4","5","1") = "4"
    & skf18("4","2","5","2","4","6","1") = "5"
    & skf18("4","2","5","2","4","7","1") = "6"
    & skf18("4","2","5","2","4","8","1") = "7"
    & skf18("4","2","5","2","4","9","1") = "8"
    & skf18("4","2","5","2","4","10","1") = "9"
    & skf18("4","2","5","2","5","1","1") = "4"
    & skf18("4","2","5","2","5","2","1") = "4"
    & skf18("4","2","5","2","5","3","1") = "4"
    & skf18("4","2","5","2","5","4","1") = "4"
    & skf18("4","2","5","2","5","5","1") = "4"
    & skf18("4","2","5","2","5","6","1") = "5"
    & skf18("4","2","5","2","5","7","1") = "6"
    & skf18("4","2","5","2","5","8","1") = "7"
    & skf18("4","2","5","2","5","9","1") = "8"
    & skf18("4","2","5","2","5","10","1") = "9"
    & skf18("4","2","5","2","6","1","1") = "5"
    & skf18("4","2","5","2","6","2","1") = "5"
    & skf18("4","2","5","2","6","3","1") = "5"
    & skf18("4","2","5","2","6","4","1") = "5"
    & skf18("4","2","5","2","6","5","1") = "5"
    & skf18("4","2","5","2","6","6","1") = "5"
    & skf18("4","2","5","2","6","7","1") = "6"
    & skf18("4","2","5","2","6","8","1") = "7"
    & skf18("4","2","5","2","6","9","1") = "8"
    & skf18("4","2","5","2","6","10","1") = "9"
    & skf18("4","2","5","2","7","1","1") = "6"
    & skf18("4","2","5","2","7","2","1") = "6"
    & skf18("4","2","5","2","7","3","1") = "6"
    & skf18("4","2","5","2","7","4","1") = "6"
    & skf18("4","2","5","2","7","5","1") = "6"
    & skf18("4","2","5","2","7","6","1") = "6"
    & skf18("4","2","5","2","7","7","1") = "6"
    & skf18("4","2","5","2","7","8","1") = "7"
    & skf18("4","2","5","2","7","9","1") = "8"
    & skf18("4","2","5","2","7","10","1") = "9"
    & skf18("4","2","5","2","8","1","1") = "7"
    & skf18("4","2","5","2","8","2","1") = "7"
    & skf18("4","2","5","2","8","3","1") = "7"
    & skf18("4","2","5","2","8","4","1") = "7"
    & skf18("4","2","5","2","8","5","1") = "7"
    & skf18("4","2","5","2","8","6","1") = "7"
    & skf18("4","2","5","2","8","7","1") = "7"
    & skf18("4","2","5","2","8","8","1") = "7"
    & skf18("4","2","5","2","8","9","1") = "8"
    & skf18("4","2","5","2","8","10","1") = "9"
    & skf18("4","2","5","2","9","1","1") = "8"
    & skf18("4","2","5","2","9","2","1") = "8"
    & skf18("4","2","5","2","9","3","1") = "8"
    & skf18("4","2","5","2","9","4","1") = "8"
    & skf18("4","2","5","2","9","5","1") = "8"
    & skf18("4","2","5","2","9","6","1") = "8"
    & skf18("4","2","5","2","9","7","1") = "8"
    & skf18("4","2","5","2","9","8","1") = "8"
    & skf18("4","2","5","2","9","9","1") = "8"
    & skf18("4","2","5","2","9","10","1") = "9"
    & skf18("4","2","5","2","10","1","1") = "9"
    & skf18("4","2","5","2","10","2","1") = "9"
    & skf18("4","2","5","2","10","3","1") = "9"
    & skf18("4","2","5","2","10","4","1") = "9"
    & skf18("4","2","5","2","10","5","1") = "9"
    & skf18("4","2","5","2","10","6","1") = "9"
    & skf18("4","2","5","2","10","7","1") = "9"
    & skf18("4","2","5","2","10","8","1") = "9"
    & skf18("4","2","5","2","10","9","1") = "9"
    & skf18("4","2","5","2","10","10","1") = "9"
    & skf18("4","2","5","3","1","1","1") = "4"
    & skf18("4","2","5","3","1","2","1") = "4"
    & skf18("4","2","5","3","1","3","1") = "4"
    & skf18("4","2","5","3","1","4","1") = "4"
    & skf18("4","2","5","3","1","5","1") = "4"
    & skf18("4","2","5","3","1","6","1") = "5"
    & skf18("4","2","5","3","1","7","1") = "6"
    & skf18("4","2","5","3","1","8","1") = "7"
    & skf18("4","2","5","3","1","9","1") = "8"
    & skf18("4","2","5","3","1","10","1") = "9"
    & skf18("4","2","5","3","2","1","1") = "4"
    & skf18("4","2","5","3","2","2","1") = "4"
    & skf18("4","2","5","3","2","3","1") = "4"
    & skf18("4","2","5","3","2","4","1") = "4"
    & skf18("4","2","5","3","2","5","1") = "4"
    & skf18("4","2","5","3","2","6","1") = "5"
    & skf18("4","2","5","3","2","7","1") = "6"
    & skf18("4","2","5","3","2","8","1") = "7"
    & skf18("4","2","5","3","2","9","1") = "8"
    & skf18("4","2","5","3","2","10","1") = "9"
    & skf18("4","2","5","3","3","1","1") = "4"
    & skf18("4","2","5","3","3","2","1") = "4"
    & skf18("4","2","5","3","3","3","1") = "4"
    & skf18("4","2","5","3","3","4","1") = "4"
    & skf18("4","2","5","3","3","5","1") = "4"
    & skf18("4","2","5","3","3","6","1") = "5"
    & skf18("4","2","5","3","3","7","1") = "6"
    & skf18("4","2","5","3","3","8","1") = "7"
    & skf18("4","2","5","3","3","9","1") = "8"
    & skf18("4","2","5","3","3","10","1") = "9"
    & skf18("4","2","5","3","4","1","1") = "4"
    & skf18("4","2","5","3","4","2","1") = "4"
    & skf18("4","2","5","3","4","3","1") = "4"
    & skf18("4","2","5","3","4","4","1") = "4"
    & skf18("4","2","5","3","4","5","1") = "4"
    & skf18("4","2","5","3","4","6","1") = "5"
    & skf18("4","2","5","3","4","7","1") = "6"
    & skf18("4","2","5","3","4","8","1") = "7"
    & skf18("4","2","5","3","4","9","1") = "8"
    & skf18("4","2","5","3","4","10","1") = "9"
    & skf18("4","2","5","3","5","1","1") = "4"
    & skf18("4","2","5","3","5","2","1") = "4"
    & skf18("4","2","5","3","5","3","1") = "4"
    & skf18("4","2","5","3","5","4","1") = "4"
    & skf18("4","2","5","3","5","5","1") = "4"
    & skf18("4","2","5","3","5","6","1") = "5"
    & skf18("4","2","5","3","5","7","1") = "6"
    & skf18("4","2","5","3","5","8","1") = "7"
    & skf18("4","2","5","3","5","9","1") = "8"
    & skf18("4","2","5","3","5","10","1") = "9"
    & skf18("4","2","5","3","6","1","1") = "5"
    & skf18("4","2","5","3","6","2","1") = "5"
    & skf18("4","2","5","3","6","3","1") = "5"
    & skf18("4","2","5","3","6","4","1") = "5"
    & skf18("4","2","5","3","6","5","1") = "5"
    & skf18("4","2","5","3","6","6","1") = "5"
    & skf18("4","2","5","3","6","7","1") = "6"
    & skf18("4","2","5","3","6","8","1") = "7"
    & skf18("4","2","5","3","6","9","1") = "8"
    & skf18("4","2","5","3","6","10","1") = "9"
    & skf18("4","2","5","3","7","1","1") = "6"
    & skf18("4","2","5","3","7","2","1") = "6"
    & skf18("4","2","5","3","7","3","1") = "6"
    & skf18("4","2","5","3","7","4","1") = "6"
    & skf18("4","2","5","3","7","5","1") = "6"
    & skf18("4","2","5","3","7","6","1") = "6"
    & skf18("4","2","5","3","7","7","1") = "6"
    & skf18("4","2","5","3","7","8","1") = "7"
    & skf18("4","2","5","3","7","9","1") = "8"
    & skf18("4","2","5","3","7","10","1") = "9"
    & skf18("4","2","5","3","8","1","1") = "7"
    & skf18("4","2","5","3","8","2","1") = "7"
    & skf18("4","2","5","3","8","3","1") = "7"
    & skf18("4","2","5","3","8","4","1") = "7"
    & skf18("4","2","5","3","8","5","1") = "7"
    & skf18("4","2","5","3","8","6","1") = "7"
    & skf18("4","2","5","3","8","7","1") = "7"
    & skf18("4","2","5","3","8","8","1") = "7"
    & skf18("4","2","5","3","8","9","1") = "8"
    & skf18("4","2","5","3","8","10","1") = "9"
    & skf18("4","2","5","3","9","1","1") = "8"
    & skf18("4","2","5","3","9","2","1") = "8"
    & skf18("4","2","5","3","9","3","1") = "8"
    & skf18("4","2","5","3","9","4","1") = "8"
    & skf18("4","2","5","3","9","5","1") = "8"
    & skf18("4","2","5","3","9","6","1") = "8"
    & skf18("4","2","5","3","9","7","1") = "8"
    & skf18("4","2","5","3","9","8","1") = "8"
    & skf18("4","2","5","3","9","9","1") = "8"
    & skf18("4","2","5","3","9","10","1") = "9"
    & skf18("4","2","5","3","10","1","1") = "9"
    & skf18("4","2","5","3","10","2","1") = "9"
    & skf18("4","2","5","3","10","3","1") = "9"
    & skf18("4","2","5","3","10","4","1") = "9"
    & skf18("4","2","5","3","10","5","1") = "9"
    & skf18("4","2","5","3","10","6","1") = "9"
    & skf18("4","2","5","3","10","7","1") = "9"
    & skf18("4","2","5","3","10","8","1") = "9"
    & skf18("4","2","5","3","10","9","1") = "9"
    & skf18("4","2","5","3","10","10","1") = "9"
    & skf18("4","2","5","4","1","1","1") = "4"
    & skf18("4","2","5","4","1","2","1") = "4"
    & skf18("4","2","5","4","1","3","1") = "4"
    & skf18("4","2","5","4","1","4","1") = "4"
    & skf18("4","2","5","4","1","5","1") = "4"
    & skf18("4","2","5","4","1","6","1") = "5"
    & skf18("4","2","5","4","1","7","1") = "6"
    & skf18("4","2","5","4","1","8","1") = "7"
    & skf18("4","2","5","4","1","9","1") = "8"
    & skf18("4","2","5","4","1","10","1") = "9"
    & skf18("4","2","5","4","2","1","1") = "4"
    & skf18("4","2","5","4","2","2","1") = "4"
    & skf18("4","2","5","4","2","3","1") = "4"
    & skf18("4","2","5","4","2","4","1") = "4"
    & skf18("4","2","5","4","2","5","1") = "4"
    & skf18("4","2","5","4","2","6","1") = "5"
    & skf18("4","2","5","4","2","7","1") = "6"
    & skf18("4","2","5","4","2","8","1") = "7"
    & skf18("4","2","5","4","2","9","1") = "8"
    & skf18("4","2","5","4","2","10","1") = "9"
    & skf18("4","2","5","4","3","1","1") = "4"
    & skf18("4","2","5","4","3","2","1") = "4"
    & skf18("4","2","5","4","3","3","1") = "4"
    & skf18("4","2","5","4","3","4","1") = "4"
    & skf18("4","2","5","4","3","5","1") = "4"
    & skf18("4","2","5","4","3","6","1") = "5"
    & skf18("4","2","5","4","3","7","1") = "6"
    & skf18("4","2","5","4","3","8","1") = "7"
    & skf18("4","2","5","4","3","9","1") = "8"
    & skf18("4","2","5","4","3","10","1") = "9"
    & skf18("4","2","5","4","4","1","1") = "4"
    & skf18("4","2","5","4","4","2","1") = "4"
    & skf18("4","2","5","4","4","3","1") = "4"
    & skf18("4","2","5","4","4","4","1") = "4"
    & skf18("4","2","5","4","4","5","1") = "4"
    & skf18("4","2","5","4","4","6","1") = "5"
    & skf18("4","2","5","4","4","7","1") = "6"
    & skf18("4","2","5","4","4","8","1") = "7"
    & skf18("4","2","5","4","4","9","1") = "8"
    & skf18("4","2","5","4","4","10","1") = "9"
    & skf18("4","2","5","4","5","1","1") = "4"
    & skf18("4","2","5","4","5","2","1") = "4"
    & skf18("4","2","5","4","5","3","1") = "4"
    & skf18("4","2","5","4","5","4","1") = "4"
    & skf18("4","2","5","4","5","5","1") = "4"
    & skf18("4","2","5","4","5","6","1") = "5"
    & skf18("4","2","5","4","5","7","1") = "6"
    & skf18("4","2","5","4","5","8","1") = "7"
    & skf18("4","2","5","4","5","9","1") = "8"
    & skf18("4","2","5","4","5","10","1") = "9"
    & skf18("4","2","5","4","6","1","1") = "5"
    & skf18("4","2","5","4","6","2","1") = "5"
    & skf18("4","2","5","4","6","3","1") = "5"
    & skf18("4","2","5","4","6","4","1") = "5"
    & skf18("4","2","5","4","6","5","1") = "5"
    & skf18("4","2","5","4","6","6","1") = "5"
    & skf18("4","2","5","4","6","7","1") = "6"
    & skf18("4","2","5","4","6","8","1") = "7"
    & skf18("4","2","5","4","6","9","1") = "8"
    & skf18("4","2","5","4","6","10","1") = "9"
    & skf18("4","2","5","4","7","1","1") = "6"
    & skf18("4","2","5","4","7","2","1") = "6"
    & skf18("4","2","5","4","7","3","1") = "6"
    & skf18("4","2","5","4","7","4","1") = "6"
    & skf18("4","2","5","4","7","5","1") = "6"
    & skf18("4","2","5","4","7","6","1") = "6"
    & skf18("4","2","5","4","7","7","1") = "6"
    & skf18("4","2","5","4","7","8","1") = "7"
    & skf18("4","2","5","4","7","9","1") = "8"
    & skf18("4","2","5","4","7","10","1") = "9"
    & skf18("4","2","5","4","8","1","1") = "7"
    & skf18("4","2","5","4","8","2","1") = "7"
    & skf18("4","2","5","4","8","3","1") = "7"
    & skf18("4","2","5","4","8","4","1") = "7"
    & skf18("4","2","5","4","8","5","1") = "7"
    & skf18("4","2","5","4","8","6","1") = "7"
    & skf18("4","2","5","4","8","7","1") = "7"
    & skf18("4","2","5","4","8","8","1") = "7"
    & skf18("4","2","5","4","8","9","1") = "8"
    & skf18("4","2","5","4","8","10","1") = "9"
    & skf18("4","2","5","4","9","1","1") = "8"
    & skf18("4","2","5","4","9","2","1") = "8"
    & skf18("4","2","5","4","9","3","1") = "8"
    & skf18("4","2","5","4","9","4","1") = "8"
    & skf18("4","2","5","4","9","5","1") = "8"
    & skf18("4","2","5","4","9","6","1") = "8"
    & skf18("4","2","5","4","9","7","1") = "8"
    & skf18("4","2","5","4","9","8","1") = "8"
    & skf18("4","2","5","4","9","9","1") = "8"
    & skf18("4","2","5","4","9","10","1") = "9"
    & skf18("4","2","5","4","10","1","1") = "9"
    & skf18("4","2","5","4","10","2","1") = "9"
    & skf18("4","2","5","4","10","3","1") = "9"
    & skf18("4","2","5","4","10","4","1") = "9"
    & skf18("4","2","5","4","10","5","1") = "9"
    & skf18("4","2","5","4","10","6","1") = "9"
    & skf18("4","2","5","4","10","7","1") = "9"
    & skf18("4","2","5","4","10","8","1") = "9"
    & skf18("4","2","5","4","10","9","1") = "9"
    & skf18("4","2","5","4","10","10","1") = "9"
    & skf18("4","2","5","5","1","1","1") = "4"
    & skf18("4","2","5","5","1","2","1") = "4"
    & skf18("4","2","5","5","1","3","1") = "4"
    & skf18("4","2","5","5","1","4","1") = "4"
    & skf18("4","2","5","5","1","5","1") = "4"
    & skf18("4","2","5","5","1","6","1") = "5"
    & skf18("4","2","5","5","1","7","1") = "6"
    & skf18("4","2","5","5","1","8","1") = "7"
    & skf18("4","2","5","5","1","9","1") = "8"
    & skf18("4","2","5","5","1","10","1") = "9"
    & skf18("4","2","5","5","2","1","1") = "4"
    & skf18("4","2","5","5","2","2","1") = "4"
    & skf18("4","2","5","5","2","3","1") = "4"
    & skf18("4","2","5","5","2","4","1") = "4"
    & skf18("4","2","5","5","2","5","1") = "4"
    & skf18("4","2","5","5","2","6","1") = "5"
    & skf18("4","2","5","5","2","7","1") = "6"
    & skf18("4","2","5","5","2","8","1") = "7"
    & skf18("4","2","5","5","2","9","1") = "8"
    & skf18("4","2","5","5","2","10","1") = "9"
    & skf18("4","2","5","5","3","1","1") = "4"
    & skf18("4","2","5","5","3","2","1") = "4"
    & skf18("4","2","5","5","3","3","1") = "4"
    & skf18("4","2","5","5","3","4","1") = "4"
    & skf18("4","2","5","5","3","5","1") = "4"
    & skf18("4","2","5","5","3","6","1") = "5"
    & skf18("4","2","5","5","3","7","1") = "6"
    & skf18("4","2","5","5","3","8","1") = "7"
    & skf18("4","2","5","5","3","9","1") = "8"
    & skf18("4","2","5","5","3","10","1") = "9"
    & skf18("4","2","5","5","4","1","1") = "4"
    & skf18("4","2","5","5","4","2","1") = "4"
    & skf18("4","2","5","5","4","3","1") = "4"
    & skf18("4","2","5","5","4","4","1") = "4"
    & skf18("4","2","5","5","4","5","1") = "4"
    & skf18("4","2","5","5","4","6","1") = "5"
    & skf18("4","2","5","5","4","7","1") = "6"
    & skf18("4","2","5","5","4","8","1") = "7"
    & skf18("4","2","5","5","4","9","1") = "8"
    & skf18("4","2","5","5","4","10","1") = "9"
    & skf18("4","2","5","5","5","1","1") = "4"
    & skf18("4","2","5","5","5","2","1") = "4"
    & skf18("4","2","5","5","5","3","1") = "4"
    & skf18("4","2","5","5","5","4","1") = "4"
    & skf18("4","2","5","5","5","5","1") = "4"
    & skf18("4","2","5","5","5","6","1") = "5"
    & skf18("4","2","5","5","5","7","1") = "6"
    & skf18("4","2","5","5","5","8","1") = "7"
    & skf18("4","2","5","5","5","9","1") = "8"
    & skf18("4","2","5","5","5","10","1") = "9"
    & skf18("4","2","5","5","6","1","1") = "5"
    & skf18("4","2","5","5","6","2","1") = "5"
    & skf18("4","2","5","5","6","3","1") = "5"
    & skf18("4","2","5","5","6","4","1") = "5"
    & skf18("4","2","5","5","6","5","1") = "5"
    & skf18("4","2","5","5","6","6","1") = "5"
    & skf18("4","2","5","5","6","7","1") = "6"
    & skf18("4","2","5","5","6","8","1") = "7"
    & skf18("4","2","5","5","6","9","1") = "8"
    & skf18("4","2","5","5","6","10","1") = "9"
    & skf18("4","2","5","5","7","1","1") = "6"
    & skf18("4","2","5","5","7","2","1") = "6"
    & skf18("4","2","5","5","7","3","1") = "6"
    & skf18("4","2","5","5","7","4","1") = "6"
    & skf18("4","2","5","5","7","5","1") = "6"
    & skf18("4","2","5","5","7","6","1") = "6"
    & skf18("4","2","5","5","7","7","1") = "6"
    & skf18("4","2","5","5","7","8","1") = "7"
    & skf18("4","2","5","5","7","9","1") = "8"
    & skf18("4","2","5","5","7","10","1") = "9"
    & skf18("4","2","5","5","8","1","1") = "7"
    & skf18("4","2","5","5","8","2","1") = "7"
    & skf18("4","2","5","5","8","3","1") = "7"
    & skf18("4","2","5","5","8","4","1") = "7"
    & skf18("4","2","5","5","8","5","1") = "7"
    & skf18("4","2","5","5","8","6","1") = "7"
    & skf18("4","2","5","5","8","7","1") = "7"
    & skf18("4","2","5","5","8","8","1") = "7"
    & skf18("4","2","5","5","8","9","1") = "8"
    & skf18("4","2","5","5","8","10","1") = "9"
    & skf18("4","2","5","5","9","1","1") = "8"
    & skf18("4","2","5","5","9","2","1") = "8"
    & skf18("4","2","5","5","9","3","1") = "8"
    & skf18("4","2","5","5","9","4","1") = "8"
    & skf18("4","2","5","5","9","5","1") = "8"
    & skf18("4","2","5","5","9","6","1") = "8"
    & skf18("4","2","5","5","9","7","1") = "8"
    & skf18("4","2","5","5","9","8","1") = "8"
    & skf18("4","2","5","5","9","9","1") = "8"
    & skf18("4","2","5","5","9","10","1") = "9"
    & skf18("4","2","5","5","10","1","1") = "9"
    & skf18("4","2","5","5","10","2","1") = "9"
    & skf18("4","2","5","5","10","3","1") = "9"
    & skf18("4","2","5","5","10","4","1") = "9"
    & skf18("4","2","5","5","10","5","1") = "9"
    & skf18("4","2","5","5","10","6","1") = "9"
    & skf18("4","2","5","5","10","7","1") = "9"
    & skf18("4","2","5","5","10","8","1") = "9"
    & skf18("4","2","5","5","10","9","1") = "9"
    & skf18("4","2","5","5","10","10","1") = "9"
    & skf18("4","2","5","6","1","1","1") = "5"
    & skf18("4","2","5","6","1","2","1") = "5"
    & skf18("4","2","5","6","1","3","1") = "5"
    & skf18("4","2","5","6","1","4","1") = "5"
    & skf18("4","2","5","6","1","5","1") = "5"
    & skf18("4","2","5","6","1","6","1") = "5"
    & skf18("4","2","5","6","1","7","1") = "6"
    & skf18("4","2","5","6","1","8","1") = "7"
    & skf18("4","2","5","6","1","9","1") = "8"
    & skf18("4","2","5","6","1","10","1") = "9"
    & skf18("4","2","5","6","2","1","1") = "5"
    & skf18("4","2","5","6","2","2","1") = "5"
    & skf18("4","2","5","6","2","3","1") = "5"
    & skf18("4","2","5","6","2","4","1") = "5"
    & skf18("4","2","5","6","2","5","1") = "5"
    & skf18("4","2","5","6","2","6","1") = "5"
    & skf18("4","2","5","6","2","7","1") = "6"
    & skf18("4","2","5","6","2","8","1") = "7"
    & skf18("4","2","5","6","2","9","1") = "8"
    & skf18("4","2","5","6","2","10","1") = "9"
    & skf18("4","2","5","6","3","1","1") = "5"
    & skf18("4","2","5","6","3","2","1") = "5"
    & skf18("4","2","5","6","3","3","1") = "5"
    & skf18("4","2","5","6","3","4","1") = "5"
    & skf18("4","2","5","6","3","5","1") = "5"
    & skf18("4","2","5","6","3","6","1") = "5"
    & skf18("4","2","5","6","3","7","1") = "6"
    & skf18("4","2","5","6","3","8","1") = "7"
    & skf18("4","2","5","6","3","9","1") = "8"
    & skf18("4","2","5","6","3","10","1") = "9"
    & skf18("4","2","5","6","4","1","1") = "5"
    & skf18("4","2","5","6","4","2","1") = "5"
    & skf18("4","2","5","6","4","3","1") = "5"
    & skf18("4","2","5","6","4","4","1") = "5"
    & skf18("4","2","5","6","4","5","1") = "5"
    & skf18("4","2","5","6","4","6","1") = "5"
    & skf18("4","2","5","6","4","7","1") = "6"
    & skf18("4","2","5","6","4","8","1") = "7"
    & skf18("4","2","5","6","4","9","1") = "8"
    & skf18("4","2","5","6","4","10","1") = "9"
    & skf18("4","2","5","6","5","1","1") = "5"
    & skf18("4","2","5","6","5","2","1") = "5"
    & skf18("4","2","5","6","5","3","1") = "5"
    & skf18("4","2","5","6","5","4","1") = "5"
    & skf18("4","2","5","6","5","5","1") = "5"
    & skf18("4","2","5","6","5","6","1") = "5"
    & skf18("4","2","5","6","5","7","1") = "6"
    & skf18("4","2","5","6","5","8","1") = "7"
    & skf18("4","2","5","6","5","9","1") = "8"
    & skf18("4","2","5","6","5","10","1") = "9"
    & skf18("4","2","5","6","6","1","1") = "5"
    & skf18("4","2","5","6","6","2","1") = "5"
    & skf18("4","2","5","6","6","3","1") = "5"
    & skf18("4","2","5","6","6","4","1") = "5"
    & skf18("4","2","5","6","6","5","1") = "5"
    & skf18("4","2","5","6","6","6","1") = "5"
    & skf18("4","2","5","6","6","7","1") = "6"
    & skf18("4","2","5","6","6","8","1") = "7"
    & skf18("4","2","5","6","6","9","1") = "8"
    & skf18("4","2","5","6","6","10","1") = "9"
    & skf18("4","2","5","6","7","1","1") = "6"
    & skf18("4","2","5","6","7","2","1") = "6"
    & skf18("4","2","5","6","7","3","1") = "6"
    & skf18("4","2","5","6","7","4","1") = "6"
    & skf18("4","2","5","6","7","5","1") = "6"
    & skf18("4","2","5","6","7","6","1") = "6"
    & skf18("4","2","5","6","7","7","1") = "6"
    & skf18("4","2","5","6","7","8","1") = "7"
    & skf18("4","2","5","6","7","9","1") = "8"
    & skf18("4","2","5","6","7","10","1") = "9"
    & skf18("4","2","5","6","8","1","1") = "7"
    & skf18("4","2","5","6","8","2","1") = "7"
    & skf18("4","2","5","6","8","3","1") = "7"
    & skf18("4","2","5","6","8","4","1") = "7"
    & skf18("4","2","5","6","8","5","1") = "7"
    & skf18("4","2","5","6","8","6","1") = "7"
    & skf18("4","2","5","6","8","7","1") = "7"
    & skf18("4","2","5","6","8","8","1") = "7"
    & skf18("4","2","5","6","8","9","1") = "8"
    & skf18("4","2","5","6","8","10","1") = "9"
    & skf18("4","2","5","6","9","1","1") = "8"
    & skf18("4","2","5","6","9","2","1") = "8"
    & skf18("4","2","5","6","9","3","1") = "8"
    & skf18("4","2","5","6","9","4","1") = "8"
    & skf18("4","2","5","6","9","5","1") = "8"
    & skf18("4","2","5","6","9","6","1") = "8"
    & skf18("4","2","5","6","9","7","1") = "8"
    & skf18("4","2","5","6","9","8","1") = "8"
    & skf18("4","2","5","6","9","9","1") = "8"
    & skf18("4","2","5","6","9","10","1") = "9"
    & skf18("4","2","5","6","10","1","1") = "9"
    & skf18("4","2","5","6","10","2","1") = "9"
    & skf18("4","2","5","6","10","3","1") = "9"
    & skf18("4","2","5","6","10","4","1") = "9"
    & skf18("4","2","5","6","10","5","1") = "9"
    & skf18("4","2","5","6","10","6","1") = "9"
    & skf18("4","2","5","6","10","7","1") = "9"
    & skf18("4","2","5","6","10","8","1") = "9"
    & skf18("4","2","5","6","10","9","1") = "9"
    & skf18("4","2","5","6","10","10","1") = "9"
    & skf18("4","2","5","7","1","1","1") = "6"
    & skf18("4","2","5","7","1","2","1") = "6"
    & skf18("4","2","5","7","1","3","1") = "6"
    & skf18("4","2","5","7","1","4","1") = "6"
    & skf18("4","2","5","7","1","5","1") = "6"
    & skf18("4","2","5","7","1","6","1") = "6"
    & skf18("4","2","5","7","1","7","1") = "6"
    & skf18("4","2","5","7","1","8","1") = "7"
    & skf18("4","2","5","7","1","9","1") = "8"
    & skf18("4","2","5","7","1","10","1") = "9"
    & skf18("4","2","5","7","2","1","1") = "6"
    & skf18("4","2","5","7","2","2","1") = "6"
    & skf18("4","2","5","7","2","3","1") = "6"
    & skf18("4","2","5","7","2","4","1") = "6"
    & skf18("4","2","5","7","2","5","1") = "6"
    & skf18("4","2","5","7","2","6","1") = "6"
    & skf18("4","2","5","7","2","7","1") = "6"
    & skf18("4","2","5","7","2","8","1") = "7"
    & skf18("4","2","5","7","2","9","1") = "8"
    & skf18("4","2","5","7","2","10","1") = "9"
    & skf18("4","2","5","7","3","1","1") = "6"
    & skf18("4","2","5","7","3","2","1") = "6"
    & skf18("4","2","5","7","3","3","1") = "6"
    & skf18("4","2","5","7","3","4","1") = "6"
    & skf18("4","2","5","7","3","5","1") = "6"
    & skf18("4","2","5","7","3","6","1") = "6"
    & skf18("4","2","5","7","3","7","1") = "6"
    & skf18("4","2","5","7","3","8","1") = "7"
    & skf18("4","2","5","7","3","9","1") = "8"
    & skf18("4","2","5","7","3","10","1") = "9"
    & skf18("4","2","5","7","4","1","1") = "6"
    & skf18("4","2","5","7","4","2","1") = "6"
    & skf18("4","2","5","7","4","3","1") = "6"
    & skf18("4","2","5","7","4","4","1") = "6"
    & skf18("4","2","5","7","4","5","1") = "6"
    & skf18("4","2","5","7","4","6","1") = "6"
    & skf18("4","2","5","7","4","7","1") = "6"
    & skf18("4","2","5","7","4","8","1") = "7"
    & skf18("4","2","5","7","4","9","1") = "8"
    & skf18("4","2","5","7","4","10","1") = "9"
    & skf18("4","2","5","7","5","1","1") = "6"
    & skf18("4","2","5","7","5","2","1") = "6"
    & skf18("4","2","5","7","5","3","1") = "6"
    & skf18("4","2","5","7","5","4","1") = "6"
    & skf18("4","2","5","7","5","5","1") = "6"
    & skf18("4","2","5","7","5","6","1") = "6"
    & skf18("4","2","5","7","5","7","1") = "6"
    & skf18("4","2","5","7","5","8","1") = "7"
    & skf18("4","2","5","7","5","9","1") = "8"
    & skf18("4","2","5","7","5","10","1") = "9"
    & skf18("4","2","5","7","6","1","1") = "6"
    & skf18("4","2","5","7","6","2","1") = "6"
    & skf18("4","2","5","7","6","3","1") = "6"
    & skf18("4","2","5","7","6","4","1") = "6"
    & skf18("4","2","5","7","6","5","1") = "6"
    & skf18("4","2","5","7","6","6","1") = "6"
    & skf18("4","2","5","7","6","7","1") = "6"
    & skf18("4","2","5","7","6","8","1") = "7"
    & skf18("4","2","5","7","6","9","1") = "8"
    & skf18("4","2","5","7","6","10","1") = "9"
    & skf18("4","2","5","7","7","1","1") = "6"
    & skf18("4","2","5","7","7","2","1") = "6"
    & skf18("4","2","5","7","7","3","1") = "6"
    & skf18("4","2","5","7","7","4","1") = "6"
    & skf18("4","2","5","7","7","5","1") = "6"
    & skf18("4","2","5","7","7","6","1") = "6"
    & skf18("4","2","5","7","7","7","1") = "6"
    & skf18("4","2","5","7","7","8","1") = "7"
    & skf18("4","2","5","7","7","9","1") = "8"
    & skf18("4","2","5","7","7","10","1") = "9"
    & skf18("4","2","5","7","8","1","1") = "7"
    & skf18("4","2","5","7","8","2","1") = "7"
    & skf18("4","2","5","7","8","3","1") = "7"
    & skf18("4","2","5","7","8","4","1") = "7"
    & skf18("4","2","5","7","8","5","1") = "7"
    & skf18("4","2","5","7","8","6","1") = "7"
    & skf18("4","2","5","7","8","7","1") = "7"
    & skf18("4","2","5","7","8","8","1") = "7"
    & skf18("4","2","5","7","8","9","1") = "8"
    & skf18("4","2","5","7","8","10","1") = "9"
    & skf18("4","2","5","7","9","1","1") = "8"
    & skf18("4","2","5","7","9","2","1") = "8"
    & skf18("4","2","5","7","9","3","1") = "8"
    & skf18("4","2","5","7","9","4","1") = "8"
    & skf18("4","2","5","7","9","5","1") = "8"
    & skf18("4","2","5","7","9","6","1") = "8"
    & skf18("4","2","5","7","9","7","1") = "8"
    & skf18("4","2","5","7","9","8","1") = "8"
    & skf18("4","2","5","7","9","9","1") = "8"
    & skf18("4","2","5","7","9","10","1") = "9"
    & skf18("4","2","5","7","10","1","1") = "9"
    & skf18("4","2","5","7","10","2","1") = "9"
    & skf18("4","2","5","7","10","3","1") = "9"
    & skf18("4","2","5","7","10","4","1") = "9"
    & skf18("4","2","5","7","10","5","1") = "9"
    & skf18("4","2","5","7","10","6","1") = "9"
    & skf18("4","2","5","7","10","7","1") = "9"
    & skf18("4","2","5","7","10","8","1") = "9"
    & skf18("4","2","5","7","10","9","1") = "9"
    & skf18("4","2","5","7","10","10","1") = "9"
    & skf18("4","2","5","8","1","1","1") = "7"
    & skf18("4","2","5","8","1","2","1") = "7"
    & skf18("4","2","5","8","1","3","1") = "7"
    & skf18("4","2","5","8","1","4","1") = "7"
    & skf18("4","2","5","8","1","5","1") = "7"
    & skf18("4","2","5","8","1","6","1") = "7"
    & skf18("4","2","5","8","1","7","1") = "7"
    & skf18("4","2","5","8","1","8","1") = "7"
    & skf18("4","2","5","8","1","9","1") = "8"
    & skf18("4","2","5","8","1","10","1") = "9"
    & skf18("4","2","5","8","2","1","1") = "7"
    & skf18("4","2","5","8","2","2","1") = "7"
    & skf18("4","2","5","8","2","3","1") = "7"
    & skf18("4","2","5","8","2","4","1") = "7"
    & skf18("4","2","5","8","2","5","1") = "7"
    & skf18("4","2","5","8","2","6","1") = "7"
    & skf18("4","2","5","8","2","7","1") = "7"
    & skf18("4","2","5","8","2","8","1") = "7"
    & skf18("4","2","5","8","2","9","1") = "8"
    & skf18("4","2","5","8","2","10","1") = "9"
    & skf18("4","2","5","8","3","1","1") = "7"
    & skf18("4","2","5","8","3","2","1") = "7"
    & skf18("4","2","5","8","3","3","1") = "7"
    & skf18("4","2","5","8","3","4","1") = "7"
    & skf18("4","2","5","8","3","5","1") = "7"
    & skf18("4","2","5","8","3","6","1") = "7"
    & skf18("4","2","5","8","3","7","1") = "7"
    & skf18("4","2","5","8","3","8","1") = "7"
    & skf18("4","2","5","8","3","9","1") = "8"
    & skf18("4","2","5","8","3","10","1") = "9"
    & skf18("4","2","5","8","4","1","1") = "7"
    & skf18("4","2","5","8","4","2","1") = "7"
    & skf18("4","2","5","8","4","3","1") = "7"
    & skf18("4","2","5","8","4","4","1") = "7"
    & skf18("4","2","5","8","4","5","1") = "7"
    & skf18("4","2","5","8","4","6","1") = "7"
    & skf18("4","2","5","8","4","7","1") = "7"
    & skf18("4","2","5","8","4","8","1") = "7"
    & skf18("4","2","5","8","4","9","1") = "8"
    & skf18("4","2","5","8","4","10","1") = "9"
    & skf18("4","2","5","8","5","1","1") = "7"
    & skf18("4","2","5","8","5","2","1") = "7"
    & skf18("4","2","5","8","5","3","1") = "7"
    & skf18("4","2","5","8","5","4","1") = "7"
    & skf18("4","2","5","8","5","5","1") = "7"
    & skf18("4","2","5","8","5","6","1") = "7"
    & skf18("4","2","5","8","5","7","1") = "7"
    & skf18("4","2","5","8","5","8","1") = "7"
    & skf18("4","2","5","8","5","9","1") = "8"
    & skf18("4","2","5","8","5","10","1") = "9"
    & skf18("4","2","5","8","6","1","1") = "7"
    & skf18("4","2","5","8","6","2","1") = "7"
    & skf18("4","2","5","8","6","3","1") = "7"
    & skf18("4","2","5","8","6","4","1") = "7"
    & skf18("4","2","5","8","6","5","1") = "7"
    & skf18("4","2","5","8","6","6","1") = "7"
    & skf18("4","2","5","8","6","7","1") = "7"
    & skf18("4","2","5","8","6","8","1") = "7"
    & skf18("4","2","5","8","6","9","1") = "8"
    & skf18("4","2","5","8","6","10","1") = "9"
    & skf18("4","2","5","8","7","1","1") = "7"
    & skf18("4","2","5","8","7","2","1") = "7"
    & skf18("4","2","5","8","7","3","1") = "7"
    & skf18("4","2","5","8","7","4","1") = "7"
    & skf18("4","2","5","8","7","5","1") = "7"
    & skf18("4","2","5","8","7","6","1") = "7"
    & skf18("4","2","5","8","7","7","1") = "7"
    & skf18("4","2","5","8","7","8","1") = "7"
    & skf18("4","2","5","8","7","9","1") = "8"
    & skf18("4","2","5","8","7","10","1") = "9"
    & skf18("4","2","5","8","8","1","1") = "7"
    & skf18("4","2","5","8","8","2","1") = "7"
    & skf18("4","2","5","8","8","3","1") = "7"
    & skf18("4","2","5","8","8","4","1") = "7"
    & skf18("4","2","5","8","8","5","1") = "7"
    & skf18("4","2","5","8","8","6","1") = "7"
    & skf18("4","2","5","8","8","7","1") = "7"
    & skf18("4","2","5","8","8","8","1") = "7"
    & skf18("4","2","5","8","8","9","1") = "8"
    & skf18("4","2","5","8","8","10","1") = "9"
    & skf18("4","2","5","8","9","1","1") = "8"
    & skf18("4","2","5","8","9","2","1") = "8"
    & skf18("4","2","5","8","9","3","1") = "8"
    & skf18("4","2","5","8","9","4","1") = "8"
    & skf18("4","2","5","8","9","5","1") = "8"
    & skf18("4","2","5","8","9","6","1") = "8"
    & skf18("4","2","5","8","9","7","1") = "8"
    & skf18("4","2","5","8","9","8","1") = "8"
    & skf18("4","2","5","8","9","9","1") = "8"
    & skf18("4","2","5","8","9","10","1") = "9"
    & skf18("4","2","5","8","10","1","1") = "9"
    & skf18("4","2","5","8","10","2","1") = "9"
    & skf18("4","2","5","8","10","3","1") = "9"
    & skf18("4","2","5","8","10","4","1") = "9"
    & skf18("4","2","5","8","10","5","1") = "9"
    & skf18("4","2","5","8","10","6","1") = "9"
    & skf18("4","2","5","8","10","7","1") = "9"
    & skf18("4","2","5","8","10","8","1") = "9"
    & skf18("4","2","5","8","10","9","1") = "9"
    & skf18("4","2","5","8","10","10","1") = "9"
    & skf18("4","2","5","9","1","1","1") = "8"
    & skf18("4","2","5","9","1","2","1") = "8"
    & skf18("4","2","5","9","1","3","1") = "8"
    & skf18("4","2","5","9","1","4","1") = "8"
    & skf18("4","2","5","9","1","5","1") = "8"
    & skf18("4","2","5","9","1","6","1") = "8"
    & skf18("4","2","5","9","1","7","1") = "8"
    & skf18("4","2","5","9","1","8","1") = "8"
    & skf18("4","2","5","9","1","9","1") = "8"
    & skf18("4","2","5","9","1","10","1") = "9"
    & skf18("4","2","5","9","2","1","1") = "8"
    & skf18("4","2","5","9","2","2","1") = "8"
    & skf18("4","2","5","9","2","3","1") = "8"
    & skf18("4","2","5","9","2","4","1") = "8"
    & skf18("4","2","5","9","2","5","1") = "8"
    & skf18("4","2","5","9","2","6","1") = "8"
    & skf18("4","2","5","9","2","7","1") = "8"
    & skf18("4","2","5","9","2","8","1") = "8"
    & skf18("4","2","5","9","2","9","1") = "8"
    & skf18("4","2","5","9","2","10","1") = "9"
    & skf18("4","2","5","9","3","1","1") = "8"
    & skf18("4","2","5","9","3","2","1") = "8"
    & skf18("4","2","5","9","3","3","1") = "8"
    & skf18("4","2","5","9","3","4","1") = "8"
    & skf18("4","2","5","9","3","5","1") = "8"
    & skf18("4","2","5","9","3","6","1") = "8"
    & skf18("4","2","5","9","3","7","1") = "8"
    & skf18("4","2","5","9","3","8","1") = "8"
    & skf18("4","2","5","9","3","9","1") = "8"
    & skf18("4","2","5","9","3","10","1") = "9"
    & skf18("4","2","5","9","4","1","1") = "8"
    & skf18("4","2","5","9","4","2","1") = "8"
    & skf18("4","2","5","9","4","3","1") = "8"
    & skf18("4","2","5","9","4","4","1") = "8"
    & skf18("4","2","5","9","4","5","1") = "8"
    & skf18("4","2","5","9","4","6","1") = "8"
    & skf18("4","2","5","9","4","7","1") = "8"
    & skf18("4","2","5","9","4","8","1") = "8"
    & skf18("4","2","5","9","4","9","1") = "8"
    & skf18("4","2","5","9","4","10","1") = "9"
    & skf18("4","2","5","9","5","1","1") = "8"
    & skf18("4","2","5","9","5","2","1") = "8"
    & skf18("4","2","5","9","5","3","1") = "8"
    & skf18("4","2","5","9","5","4","1") = "8"
    & skf18("4","2","5","9","5","5","1") = "8"
    & skf18("4","2","5","9","5","6","1") = "8"
    & skf18("4","2","5","9","5","7","1") = "8"
    & skf18("4","2","5","9","5","8","1") = "8"
    & skf18("4","2","5","9","5","9","1") = "8"
    & skf18("4","2","5","9","5","10","1") = "9"
    & skf18("4","2","5","9","6","1","1") = "8"
    & skf18("4","2","5","9","6","2","1") = "8"
    & skf18("4","2","5","9","6","3","1") = "8"
    & skf18("4","2","5","9","6","4","1") = "8"
    & skf18("4","2","5","9","6","5","1") = "8"
    & skf18("4","2","5","9","6","6","1") = "8"
    & skf18("4","2","5","9","6","7","1") = "8"
    & skf18("4","2","5","9","6","8","1") = "8"
    & skf18("4","2","5","9","6","9","1") = "8"
    & skf18("4","2","5","9","6","10","1") = "9"
    & skf18("4","2","5","9","7","1","1") = "8"
    & skf18("4","2","5","9","7","2","1") = "8"
    & skf18("4","2","5","9","7","3","1") = "8"
    & skf18("4","2","5","9","7","4","1") = "8"
    & skf18("4","2","5","9","7","5","1") = "8"
    & skf18("4","2","5","9","7","6","1") = "8"
    & skf18("4","2","5","9","7","7","1") = "8"
    & skf18("4","2","5","9","7","8","1") = "8"
    & skf18("4","2","5","9","7","9","1") = "8"
    & skf18("4","2","5","9","7","10","1") = "9"
    & skf18("4","2","5","9","8","1","1") = "8"
    & skf18("4","2","5","9","8","2","1") = "8"
    & skf18("4","2","5","9","8","3","1") = "8"
    & skf18("4","2","5","9","8","4","1") = "8"
    & skf18("4","2","5","9","8","5","1") = "8"
    & skf18("4","2","5","9","8","6","1") = "8"
    & skf18("4","2","5","9","8","7","1") = "8"
    & skf18("4","2","5","9","8","8","1") = "8"
    & skf18("4","2","5","9","8","9","1") = "8"
    & skf18("4","2","5","9","8","10","1") = "9"
    & skf18("4","2","5","9","9","1","1") = "8"
    & skf18("4","2","5","9","9","2","1") = "8"
    & skf18("4","2","5","9","9","3","1") = "8"
    & skf18("4","2","5","9","9","4","1") = "8"
    & skf18("4","2","5","9","9","5","1") = "8"
    & skf18("4","2","5","9","9","6","1") = "8"
    & skf18("4","2","5","9","9","7","1") = "8"
    & skf18("4","2","5","9","9","8","1") = "8"
    & skf18("4","2","5","9","9","9","1") = "8"
    & skf18("4","2","5","9","9","10","1") = "9"
    & skf18("4","2","5","9","10","1","1") = "9"
    & skf18("4","2","5","9","10","2","1") = "9"
    & skf18("4","2","5","9","10","3","1") = "9"
    & skf18("4","2","5","9","10","4","1") = "9"
    & skf18("4","2","5","9","10","5","1") = "9"
    & skf18("4","2","5","9","10","6","1") = "9"
    & skf18("4","2","5","9","10","7","1") = "9"
    & skf18("4","2","5","9","10","8","1") = "9"
    & skf18("4","2","5","9","10","9","1") = "9"
    & skf18("4","2","5","9","10","10","1") = "9"
    & skf18("4","2","5","10","1","1","1") = "9"
    & skf18("4","2","5","10","1","2","1") = "9"
    & skf18("4","2","5","10","1","3","1") = "9"
    & skf18("4","2","5","10","1","4","1") = "9"
    & skf18("4","2","5","10","1","5","1") = "9"
    & skf18("4","2","5","10","1","6","1") = "9"
    & skf18("4","2","5","10","1","7","1") = "9"
    & skf18("4","2","5","10","1","8","1") = "9"
    & skf18("4","2","5","10","1","9","1") = "9"
    & skf18("4","2","5","10","1","10","1") = "9"
    & skf18("4","2","5","10","2","1","1") = "9"
    & skf18("4","2","5","10","2","2","1") = "9"
    & skf18("4","2","5","10","2","3","1") = "9"
    & skf18("4","2","5","10","2","4","1") = "9"
    & skf18("4","2","5","10","2","5","1") = "9"
    & skf18("4","2","5","10","2","6","1") = "9"
    & skf18("4","2","5","10","2","7","1") = "9"
    & skf18("4","2","5","10","2","8","1") = "9"
    & skf18("4","2","5","10","2","9","1") = "9"
    & skf18("4","2","5","10","2","10","1") = "9"
    & skf18("4","2","5","10","3","1","1") = "9"
    & skf18("4","2","5","10","3","2","1") = "9"
    & skf18("4","2","5","10","3","3","1") = "9"
    & skf18("4","2","5","10","3","4","1") = "9"
    & skf18("4","2","5","10","3","5","1") = "9"
    & skf18("4","2","5","10","3","6","1") = "9"
    & skf18("4","2","5","10","3","7","1") = "9"
    & skf18("4","2","5","10","3","8","1") = "9"
    & skf18("4","2","5","10","3","9","1") = "9"
    & skf18("4","2","5","10","3","10","1") = "9"
    & skf18("4","2","5","10","4","1","1") = "9"
    & skf18("4","2","5","10","4","2","1") = "9"
    & skf18("4","2","5","10","4","3","1") = "9"
    & skf18("4","2","5","10","4","4","1") = "9"
    & skf18("4","2","5","10","4","5","1") = "9"
    & skf18("4","2","5","10","4","6","1") = "9"
    & skf18("4","2","5","10","4","7","1") = "9"
    & skf18("4","2","5","10","4","8","1") = "9"
    & skf18("4","2","5","10","4","9","1") = "9"
    & skf18("4","2","5","10","4","10","1") = "9"
    & skf18("4","2","5","10","5","1","1") = "9"
    & skf18("4","2","5","10","5","2","1") = "9"
    & skf18("4","2","5","10","5","3","1") = "9"
    & skf18("4","2","5","10","5","4","1") = "9"
    & skf18("4","2","5","10","5","5","1") = "9"
    & skf18("4","2","5","10","5","6","1") = "9"
    & skf18("4","2","5","10","5","7","1") = "9"
    & skf18("4","2","5","10","5","8","1") = "9"
    & skf18("4","2","5","10","5","9","1") = "9"
    & skf18("4","2","5","10","5","10","1") = "9"
    & skf18("4","2","5","10","6","1","1") = "9"
    & skf18("4","2","5","10","6","2","1") = "9"
    & skf18("4","2","5","10","6","3","1") = "9"
    & skf18("4","2","5","10","6","4","1") = "9"
    & skf18("4","2","5","10","6","5","1") = "9"
    & skf18("4","2","5","10","6","6","1") = "9"
    & skf18("4","2","5","10","6","7","1") = "9"
    & skf18("4","2","5","10","6","8","1") = "9"
    & skf18("4","2","5","10","6","9","1") = "9"
    & skf18("4","2","5","10","6","10","1") = "9"
    & skf18("4","2","5","10","7","1","1") = "9"
    & skf18("4","2","5","10","7","2","1") = "9"
    & skf18("4","2","5","10","7","3","1") = "9"
    & skf18("4","2","5","10","7","4","1") = "9"
    & skf18("4","2","5","10","7","5","1") = "9"
    & skf18("4","2","5","10","7","6","1") = "9"
    & skf18("4","2","5","10","7","7","1") = "9"
    & skf18("4","2","5","10","7","8","1") = "9"
    & skf18("4","2","5","10","7","9","1") = "9"
    & skf18("4","2","5","10","7","10","1") = "9"
    & skf18("4","2","5","10","8","1","1") = "9"
    & skf18("4","2","5","10","8","2","1") = "9"
    & skf18("4","2","5","10","8","3","1") = "9"
    & skf18("4","2","5","10","8","4","1") = "9"
    & skf18("4","2","5","10","8","5","1") = "9"
    & skf18("4","2","5","10","8","6","1") = "9"
    & skf18("4","2","5","10","8","7","1") = "9"
    & skf18("4","2","5","10","8","8","1") = "9"
    & skf18("4","2","5","10","8","9","1") = "9"
    & skf18("4","2","5","10","8","10","1") = "9"
    & skf18("4","2","5","10","9","1","1") = "9"
    & skf18("4","2","5","10","9","2","1") = "9"
    & skf18("4","2","5","10","9","3","1") = "9"
    & skf18("4","2","5","10","9","4","1") = "9"
    & skf18("4","2","5","10","9","5","1") = "9"
    & skf18("4","2","5","10","9","6","1") = "9"
    & skf18("4","2","5","10","9","7","1") = "9"
    & skf18("4","2","5","10","9","8","1") = "9"
    & skf18("4","2","5","10","9","9","1") = "9"
    & skf18("4","2","5","10","9","10","1") = "9"
    & skf18("4","2","5","10","10","1","1") = "9"
    & skf18("4","2","5","10","10","2","1") = "9"
    & skf18("4","2","5","10","10","3","1") = "9"
    & skf18("4","2","5","10","10","4","1") = "9"
    & skf18("4","2","5","10","10","5","1") = "9"
    & skf18("4","2","5","10","10","6","1") = "9"
    & skf18("4","2","5","10","10","7","1") = "9"
    & skf18("4","2","5","10","10","8","1") = "9"
    & skf18("4","2","5","10","10","9","1") = "9"
    & skf18("4","2","5","10","10","10","1") = "9"
    & skf18("4","2","6","1","1","1","1") = "5"
    & skf18("4","2","6","1","1","2","1") = "5"
    & skf18("4","2","6","1","1","3","1") = "5"
    & skf18("4","2","6","1","1","4","1") = "5"
    & skf18("4","2","6","1","1","5","1") = "5"
    & skf18("4","2","6","1","1","6","1") = "5"
    & skf18("4","2","6","1","1","7","1") = "6"
    & skf18("4","2","6","1","1","8","1") = "7"
    & skf18("4","2","6","1","1","9","1") = "8"
    & skf18("4","2","6","1","1","10","1") = "9"
    & skf18("4","2","6","1","2","1","1") = "5"
    & skf18("4","2","6","1","2","2","1") = "5"
    & skf18("4","2","6","1","2","3","1") = "5"
    & skf18("4","2","6","1","2","4","1") = "5"
    & skf18("4","2","6","1","2","5","1") = "5"
    & skf18("4","2","6","1","2","6","1") = "5"
    & skf18("4","2","6","1","2","7","1") = "6"
    & skf18("4","2","6","1","2","8","1") = "7"
    & skf18("4","2","6","1","2","9","1") = "8"
    & skf18("4","2","6","1","2","10","1") = "9"
    & skf18("4","2","6","1","3","1","1") = "5"
    & skf18("4","2","6","1","3","2","1") = "5"
    & skf18("4","2","6","1","3","3","1") = "5"
    & skf18("4","2","6","1","3","4","1") = "5"
    & skf18("4","2","6","1","3","5","1") = "5"
    & skf18("4","2","6","1","3","6","1") = "5"
    & skf18("4","2","6","1","3","7","1") = "6"
    & skf18("4","2","6","1","3","8","1") = "7"
    & skf18("4","2","6","1","3","9","1") = "8"
    & skf18("4","2","6","1","3","10","1") = "9"
    & skf18("4","2","6","1","4","1","1") = "5"
    & skf18("4","2","6","1","4","2","1") = "5"
    & skf18("4","2","6","1","4","3","1") = "5"
    & skf18("4","2","6","1","4","4","1") = "5"
    & skf18("4","2","6","1","4","5","1") = "5"
    & skf18("4","2","6","1","4","6","1") = "5"
    & skf18("4","2","6","1","4","7","1") = "6"
    & skf18("4","2","6","1","4","8","1") = "7"
    & skf18("4","2","6","1","4","9","1") = "8"
    & skf18("4","2","6","1","4","10","1") = "9"
    & skf18("4","2","6","1","5","1","1") = "5"
    & skf18("4","2","6","1","5","2","1") = "5"
    & skf18("4","2","6","1","5","3","1") = "5"
    & skf18("4","2","6","1","5","4","1") = "5"
    & skf18("4","2","6","1","5","5","1") = "5"
    & skf18("4","2","6","1","5","6","1") = "5"
    & skf18("4","2","6","1","5","7","1") = "6"
    & skf18("4","2","6","1","5","8","1") = "7"
    & skf18("4","2","6","1","5","9","1") = "8"
    & skf18("4","2","6","1","5","10","1") = "9"
    & skf18("4","2","6","1","6","1","1") = "5"
    & skf18("4","2","6","1","6","2","1") = "5"
    & skf18("4","2","6","1","6","3","1") = "5"
    & skf18("4","2","6","1","6","4","1") = "5"
    & skf18("4","2","6","1","6","5","1") = "5"
    & skf18("4","2","6","1","6","6","1") = "5"
    & skf18("4","2","6","1","6","7","1") = "6"
    & skf18("4","2","6","1","6","8","1") = "7"
    & skf18("4","2","6","1","6","9","1") = "8"
    & skf18("4","2","6","1","6","10","1") = "9"
    & skf18("4","2","6","1","7","1","1") = "6"
    & skf18("4","2","6","1","7","2","1") = "6"
    & skf18("4","2","6","1","7","3","1") = "6"
    & skf18("4","2","6","1","7","4","1") = "6"
    & skf18("4","2","6","1","7","5","1") = "6"
    & skf18("4","2","6","1","7","6","1") = "6"
    & skf18("4","2","6","1","7","7","1") = "6"
    & skf18("4","2","6","1","7","8","1") = "7"
    & skf18("4","2","6","1","7","9","1") = "8"
    & skf18("4","2","6","1","7","10","1") = "9"
    & skf18("4","2","6","1","8","1","1") = "7"
    & skf18("4","2","6","1","8","2","1") = "7"
    & skf18("4","2","6","1","8","3","1") = "7"
    & skf18("4","2","6","1","8","4","1") = "7"
    & skf18("4","2","6","1","8","5","1") = "7"
    & skf18("4","2","6","1","8","6","1") = "7"
    & skf18("4","2","6","1","8","7","1") = "7"
    & skf18("4","2","6","1","8","8","1") = "7"
    & skf18("4","2","6","1","8","9","1") = "8"
    & skf18("4","2","6","1","8","10","1") = "9"
    & skf18("4","2","6","1","9","1","1") = "8"
    & skf18("4","2","6","1","9","2","1") = "8"
    & skf18("4","2","6","1","9","3","1") = "8"
    & skf18("4","2","6","1","9","4","1") = "8"
    & skf18("4","2","6","1","9","5","1") = "8"
    & skf18("4","2","6","1","9","6","1") = "8"
    & skf18("4","2","6","1","9","7","1") = "8"
    & skf18("4","2","6","1","9","8","1") = "8"
    & skf18("4","2","6","1","9","9","1") = "8"
    & skf18("4","2","6","1","9","10","1") = "9"
    & skf18("4","2","6","1","10","1","1") = "9"
    & skf18("4","2","6","1","10","2","1") = "9"
    & skf18("4","2","6","1","10","3","1") = "9"
    & skf18("4","2","6","1","10","4","1") = "9"
    & skf18("4","2","6","1","10","5","1") = "9"
    & skf18("4","2","6","1","10","6","1") = "9"
    & skf18("4","2","6","1","10","7","1") = "9"
    & skf18("4","2","6","1","10","8","1") = "9"
    & skf18("4","2","6","1","10","9","1") = "9"
    & skf18("4","2","6","1","10","10","1") = "9"
    & skf18("4","2","6","2","1","1","1") = "5"
    & skf18("4","2","6","2","1","2","1") = "5"
    & skf18("4","2","6","2","1","3","1") = "5"
    & skf18("4","2","6","2","1","4","1") = "5"
    & skf18("4","2","6","2","1","5","1") = "5"
    & skf18("4","2","6","2","1","6","1") = "5"
    & skf18("4","2","6","2","1","7","1") = "6"
    & skf18("4","2","6","2","1","8","1") = "7"
    & skf18("4","2","6","2","1","9","1") = "8"
    & skf18("4","2","6","2","1","10","1") = "9"
    & skf18("4","2","6","2","2","1","1") = "5"
    & skf18("4","2","6","2","2","2","1") = "5"
    & skf18("4","2","6","2","2","3","1") = "5"
    & skf18("4","2","6","2","2","4","1") = "5"
    & skf18("4","2","6","2","2","5","1") = "5"
    & skf18("4","2","6","2","2","6","1") = "5"
    & skf18("4","2","6","2","2","7","1") = "6"
    & skf18("4","2","6","2","2","8","1") = "7"
    & skf18("4","2","6","2","2","9","1") = "8"
    & skf18("4","2","6","2","2","10","1") = "9"
    & skf18("4","2","6","2","3","1","1") = "5"
    & skf18("4","2","6","2","3","2","1") = "5"
    & skf18("4","2","6","2","3","3","1") = "5"
    & skf18("4","2","6","2","3","4","1") = "5"
    & skf18("4","2","6","2","3","5","1") = "5"
    & skf18("4","2","6","2","3","6","1") = "5"
    & skf18("4","2","6","2","3","7","1") = "6"
    & skf18("4","2","6","2","3","8","1") = "7"
    & skf18("4","2","6","2","3","9","1") = "8"
    & skf18("4","2","6","2","3","10","1") = "9"
    & skf18("4","2","6","2","4","1","1") = "5"
    & skf18("4","2","6","2","4","2","1") = "5"
    & skf18("4","2","6","2","4","3","1") = "5"
    & skf18("4","2","6","2","4","4","1") = "5"
    & skf18("4","2","6","2","4","5","1") = "5"
    & skf18("4","2","6","2","4","6","1") = "5"
    & skf18("4","2","6","2","4","7","1") = "6"
    & skf18("4","2","6","2","4","8","1") = "7"
    & skf18("4","2","6","2","4","9","1") = "8"
    & skf18("4","2","6","2","4","10","1") = "9"
    & skf18("4","2","6","2","5","1","1") = "5"
    & skf18("4","2","6","2","5","2","1") = "5"
    & skf18("4","2","6","2","5","3","1") = "5"
    & skf18("4","2","6","2","5","4","1") = "5"
    & skf18("4","2","6","2","5","5","1") = "5"
    & skf18("4","2","6","2","5","6","1") = "5"
    & skf18("4","2","6","2","5","7","1") = "6"
    & skf18("4","2","6","2","5","8","1") = "7"
    & skf18("4","2","6","2","5","9","1") = "8"
    & skf18("4","2","6","2","5","10","1") = "9"
    & skf18("4","2","6","2","6","1","1") = "5"
    & skf18("4","2","6","2","6","2","1") = "5"
    & skf18("4","2","6","2","6","3","1") = "5"
    & skf18("4","2","6","2","6","4","1") = "5"
    & skf18("4","2","6","2","6","5","1") = "5"
    & skf18("4","2","6","2","6","6","1") = "5"
    & skf18("4","2","6","2","6","7","1") = "6"
    & skf18("4","2","6","2","6","8","1") = "7"
    & skf18("4","2","6","2","6","9","1") = "8"
    & skf18("4","2","6","2","6","10","1") = "9"
    & skf18("4","2","6","2","7","1","1") = "6"
    & skf18("4","2","6","2","7","2","1") = "6"
    & skf18("4","2","6","2","7","3","1") = "6"
    & skf18("4","2","6","2","7","4","1") = "6"
    & skf18("4","2","6","2","7","5","1") = "6"
    & skf18("4","2","6","2","7","6","1") = "6"
    & skf18("4","2","6","2","7","7","1") = "6"
    & skf18("4","2","6","2","7","8","1") = "7"
    & skf18("4","2","6","2","7","9","1") = "8"
    & skf18("4","2","6","2","7","10","1") = "9"
    & skf18("4","2","6","2","8","1","1") = "7"
    & skf18("4","2","6","2","8","2","1") = "7"
    & skf18("4","2","6","2","8","3","1") = "7"
    & skf18("4","2","6","2","8","4","1") = "7"
    & skf18("4","2","6","2","8","5","1") = "7"
    & skf18("4","2","6","2","8","6","1") = "7"
    & skf18("4","2","6","2","8","7","1") = "7"
    & skf18("4","2","6","2","8","8","1") = "7"
    & skf18("4","2","6","2","8","9","1") = "8"
    & skf18("4","2","6","2","8","10","1") = "9"
    & skf18("4","2","6","2","9","1","1") = "8"
    & skf18("4","2","6","2","9","2","1") = "8"
    & skf18("4","2","6","2","9","3","1") = "8"
    & skf18("4","2","6","2","9","4","1") = "8"
    & skf18("4","2","6","2","9","5","1") = "8"
    & skf18("4","2","6","2","9","6","1") = "8"
    & skf18("4","2","6","2","9","7","1") = "8"
    & skf18("4","2","6","2","9","8","1") = "8"
    & skf18("4","2","6","2","9","9","1") = "8"
    & skf18("4","2","6","2","9","10","1") = "9"
    & skf18("4","2","6","2","10","1","1") = "9"
    & skf18("4","2","6","2","10","2","1") = "9"
    & skf18("4","2","6","2","10","3","1") = "9"
    & skf18("4","2","6","2","10","4","1") = "9"
    & skf18("4","2","6","2","10","5","1") = "9"
    & skf18("4","2","6","2","10","6","1") = "9"
    & skf18("4","2","6","2","10","7","1") = "9"
    & skf18("4","2","6","2","10","8","1") = "9"
    & skf18("4","2","6","2","10","9","1") = "9"
    & skf18("4","2","6","2","10","10","1") = "9"
    & skf18("4","2","6","3","1","1","1") = "5"
    & skf18("4","2","6","3","1","2","1") = "5"
    & skf18("4","2","6","3","1","3","1") = "5"
    & skf18("4","2","6","3","1","4","1") = "5"
    & skf18("4","2","6","3","1","5","1") = "5"
    & skf18("4","2","6","3","1","6","1") = "5"
    & skf18("4","2","6","3","1","7","1") = "6"
    & skf18("4","2","6","3","1","8","1") = "7"
    & skf18("4","2","6","3","1","9","1") = "8"
    & skf18("4","2","6","3","1","10","1") = "9"
    & skf18("4","2","6","3","2","1","1") = "5"
    & skf18("4","2","6","3","2","2","1") = "5"
    & skf18("4","2","6","3","2","3","1") = "5"
    & skf18("4","2","6","3","2","4","1") = "5"
    & skf18("4","2","6","3","2","5","1") = "5"
    & skf18("4","2","6","3","2","6","1") = "5"
    & skf18("4","2","6","3","2","7","1") = "6"
    & skf18("4","2","6","3","2","8","1") = "7"
    & skf18("4","2","6","3","2","9","1") = "8"
    & skf18("4","2","6","3","2","10","1") = "9"
    & skf18("4","2","6","3","3","1","1") = "5"
    & skf18("4","2","6","3","3","2","1") = "5"
    & skf18("4","2","6","3","3","3","1") = "5"
    & skf18("4","2","6","3","3","4","1") = "5"
    & skf18("4","2","6","3","3","5","1") = "5"
    & skf18("4","2","6","3","3","6","1") = "5"
    & skf18("4","2","6","3","3","7","1") = "6"
    & skf18("4","2","6","3","3","8","1") = "7"
    & skf18("4","2","6","3","3","9","1") = "8"
    & skf18("4","2","6","3","3","10","1") = "9"
    & skf18("4","2","6","3","4","1","1") = "5"
    & skf18("4","2","6","3","4","2","1") = "5"
    & skf18("4","2","6","3","4","3","1") = "5"
    & skf18("4","2","6","3","4","4","1") = "5"
    & skf18("4","2","6","3","4","5","1") = "5"
    & skf18("4","2","6","3","4","6","1") = "5"
    & skf18("4","2","6","3","4","7","1") = "6"
    & skf18("4","2","6","3","4","8","1") = "7"
    & skf18("4","2","6","3","4","9","1") = "8"
    & skf18("4","2","6","3","4","10","1") = "9"
    & skf18("4","2","6","3","5","1","1") = "5"
    & skf18("4","2","6","3","5","2","1") = "5"
    & skf18("4","2","6","3","5","3","1") = "5"
    & skf18("4","2","6","3","5","4","1") = "5"
    & skf18("4","2","6","3","5","5","1") = "5"
    & skf18("4","2","6","3","5","6","1") = "5"
    & skf18("4","2","6","3","5","7","1") = "6"
    & skf18("4","2","6","3","5","8","1") = "7"
    & skf18("4","2","6","3","5","9","1") = "8"
    & skf18("4","2","6","3","5","10","1") = "9"
    & skf18("4","2","6","3","6","1","1") = "5"
    & skf18("4","2","6","3","6","2","1") = "5"
    & skf18("4","2","6","3","6","3","1") = "5"
    & skf18("4","2","6","3","6","4","1") = "5"
    & skf18("4","2","6","3","6","5","1") = "5"
    & skf18("4","2","6","3","6","6","1") = "5"
    & skf18("4","2","6","3","6","7","1") = "6"
    & skf18("4","2","6","3","6","8","1") = "7"
    & skf18("4","2","6","3","6","9","1") = "8"
    & skf18("4","2","6","3","6","10","1") = "9"
    & skf18("4","2","6","3","7","1","1") = "6"
    & skf18("4","2","6","3","7","2","1") = "6"
    & skf18("4","2","6","3","7","3","1") = "6"
    & skf18("4","2","6","3","7","4","1") = "6"
    & skf18("4","2","6","3","7","5","1") = "6"
    & skf18("4","2","6","3","7","6","1") = "6"
    & skf18("4","2","6","3","7","7","1") = "6"
    & skf18("4","2","6","3","7","8","1") = "7"
    & skf18("4","2","6","3","7","9","1") = "8"
    & skf18("4","2","6","3","7","10","1") = "9"
    & skf18("4","2","6","3","8","1","1") = "7"
    & skf18("4","2","6","3","8","2","1") = "7"
    & skf18("4","2","6","3","8","3","1") = "7"
    & skf18("4","2","6","3","8","4","1") = "7"
    & skf18("4","2","6","3","8","5","1") = "7"
    & skf18("4","2","6","3","8","6","1") = "7"
    & skf18("4","2","6","3","8","7","1") = "7"
    & skf18("4","2","6","3","8","8","1") = "7"
    & skf18("4","2","6","3","8","9","1") = "8"
    & skf18("4","2","6","3","8","10","1") = "9"
    & skf18("4","2","6","3","9","1","1") = "8"
    & skf18("4","2","6","3","9","2","1") = "8"
    & skf18("4","2","6","3","9","3","1") = "8"
    & skf18("4","2","6","3","9","4","1") = "8"
    & skf18("4","2","6","3","9","5","1") = "8"
    & skf18("4","2","6","3","9","6","1") = "8"
    & skf18("4","2","6","3","9","7","1") = "8"
    & skf18("4","2","6","3","9","8","1") = "8"
    & skf18("4","2","6","3","9","9","1") = "8"
    & skf18("4","2","6","3","9","10","1") = "9"
    & skf18("4","2","6","3","10","1","1") = "9"
    & skf18("4","2","6","3","10","2","1") = "9"
    & skf18("4","2","6","3","10","3","1") = "9"
    & skf18("4","2","6","3","10","4","1") = "9"
    & skf18("4","2","6","3","10","5","1") = "9"
    & skf18("4","2","6","3","10","6","1") = "9"
    & skf18("4","2","6","3","10","7","1") = "9"
    & skf18("4","2","6","3","10","8","1") = "9"
    & skf18("4","2","6","3","10","9","1") = "9"
    & skf18("4","2","6","3","10","10","1") = "9"
    & skf18("4","2","6","4","1","1","1") = "5"
    & skf18("4","2","6","4","1","2","1") = "5"
    & skf18("4","2","6","4","1","3","1") = "5"
    & skf18("4","2","6","4","1","4","1") = "5"
    & skf18("4","2","6","4","1","5","1") = "5"
    & skf18("4","2","6","4","1","6","1") = "5"
    & skf18("4","2","6","4","1","7","1") = "6"
    & skf18("4","2","6","4","1","8","1") = "7"
    & skf18("4","2","6","4","1","9","1") = "8"
    & skf18("4","2","6","4","1","10","1") = "9"
    & skf18("4","2","6","4","2","1","1") = "5"
    & skf18("4","2","6","4","2","2","1") = "5"
    & skf18("4","2","6","4","2","3","1") = "5"
    & skf18("4","2","6","4","2","4","1") = "5"
    & skf18("4","2","6","4","2","5","1") = "5"
    & skf18("4","2","6","4","2","6","1") = "5"
    & skf18("4","2","6","4","2","7","1") = "6"
    & skf18("4","2","6","4","2","8","1") = "7"
    & skf18("4","2","6","4","2","9","1") = "8"
    & skf18("4","2","6","4","2","10","1") = "9"
    & skf18("4","2","6","4","3","1","1") = "5"
    & skf18("4","2","6","4","3","2","1") = "5"
    & skf18("4","2","6","4","3","3","1") = "5"
    & skf18("4","2","6","4","3","4","1") = "5"
    & skf18("4","2","6","4","3","5","1") = "5"
    & skf18("4","2","6","4","3","6","1") = "5"
    & skf18("4","2","6","4","3","7","1") = "6"
    & skf18("4","2","6","4","3","8","1") = "7"
    & skf18("4","2","6","4","3","9","1") = "8"
    & skf18("4","2","6","4","3","10","1") = "9"
    & skf18("4","2","6","4","4","1","1") = "5"
    & skf18("4","2","6","4","4","2","1") = "5"
    & skf18("4","2","6","4","4","3","1") = "5"
    & skf18("4","2","6","4","4","4","1") = "5"
    & skf18("4","2","6","4","4","5","1") = "5"
    & skf18("4","2","6","4","4","6","1") = "5"
    & skf18("4","2","6","4","4","7","1") = "6"
    & skf18("4","2","6","4","4","8","1") = "7"
    & skf18("4","2","6","4","4","9","1") = "8"
    & skf18("4","2","6","4","4","10","1") = "9"
    & skf18("4","2","6","4","5","1","1") = "5"
    & skf18("4","2","6","4","5","2","1") = "5"
    & skf18("4","2","6","4","5","3","1") = "5"
    & skf18("4","2","6","4","5","4","1") = "5"
    & skf18("4","2","6","4","5","5","1") = "5"
    & skf18("4","2","6","4","5","6","1") = "5"
    & skf18("4","2","6","4","5","7","1") = "6"
    & skf18("4","2","6","4","5","8","1") = "7"
    & skf18("4","2","6","4","5","9","1") = "8"
    & skf18("4","2","6","4","5","10","1") = "9"
    & skf18("4","2","6","4","6","1","1") = "5"
    & skf18("4","2","6","4","6","2","1") = "5"
    & skf18("4","2","6","4","6","3","1") = "5"
    & skf18("4","2","6","4","6","4","1") = "5"
    & skf18("4","2","6","4","6","5","1") = "5"
    & skf18("4","2","6","4","6","6","1") = "5"
    & skf18("4","2","6","4","6","7","1") = "6"
    & skf18("4","2","6","4","6","8","1") = "7"
    & skf18("4","2","6","4","6","9","1") = "8"
    & skf18("4","2","6","4","6","10","1") = "9"
    & skf18("4","2","6","4","7","1","1") = "6"
    & skf18("4","2","6","4","7","2","1") = "6"
    & skf18("4","2","6","4","7","3","1") = "6"
    & skf18("4","2","6","4","7","4","1") = "6"
    & skf18("4","2","6","4","7","5","1") = "6"
    & skf18("4","2","6","4","7","6","1") = "6"
    & skf18("4","2","6","4","7","7","1") = "6"
    & skf18("4","2","6","4","7","8","1") = "7"
    & skf18("4","2","6","4","7","9","1") = "8"
    & skf18("4","2","6","4","7","10","1") = "9"
    & skf18("4","2","6","4","8","1","1") = "7"
    & skf18("4","2","6","4","8","2","1") = "7"
    & skf18("4","2","6","4","8","3","1") = "7"
    & skf18("4","2","6","4","8","4","1") = "7"
    & skf18("4","2","6","4","8","5","1") = "7"
    & skf18("4","2","6","4","8","6","1") = "7"
    & skf18("4","2","6","4","8","7","1") = "7"
    & skf18("4","2","6","4","8","8","1") = "7"
    & skf18("4","2","6","4","8","9","1") = "8"
    & skf18("4","2","6","4","8","10","1") = "9"
    & skf18("4","2","6","4","9","1","1") = "8"
    & skf18("4","2","6","4","9","2","1") = "8"
    & skf18("4","2","6","4","9","3","1") = "8"
    & skf18("4","2","6","4","9","4","1") = "8"
    & skf18("4","2","6","4","9","5","1") = "8"
    & skf18("4","2","6","4","9","6","1") = "8"
    & skf18("4","2","6","4","9","7","1") = "8"
    & skf18("4","2","6","4","9","8","1") = "8"
    & skf18("4","2","6","4","9","9","1") = "8"
    & skf18("4","2","6","4","9","10","1") = "9"
    & skf18("4","2","6","4","10","1","1") = "9"
    & skf18("4","2","6","4","10","2","1") = "9"
    & skf18("4","2","6","4","10","3","1") = "9"
    & skf18("4","2","6","4","10","4","1") = "9"
    & skf18("4","2","6","4","10","5","1") = "9"
    & skf18("4","2","6","4","10","6","1") = "9"
    & skf18("4","2","6","4","10","7","1") = "9"
    & skf18("4","2","6","4","10","8","1") = "9"
    & skf18("4","2","6","4","10","9","1") = "9"
    & skf18("4","2","6","4","10","10","1") = "9"
    & skf18("4","2","6","5","1","1","1") = "5"
    & skf18("4","2","6","5","1","2","1") = "5"
    & skf18("4","2","6","5","1","3","1") = "5"
    & skf18("4","2","6","5","1","4","1") = "5"
    & skf18("4","2","6","5","1","5","1") = "5"
    & skf18("4","2","6","5","1","6","1") = "5"
    & skf18("4","2","6","5","1","7","1") = "6"
    & skf18("4","2","6","5","1","8","1") = "7"
    & skf18("4","2","6","5","1","9","1") = "8"
    & skf18("4","2","6","5","1","10","1") = "9"
    & skf18("4","2","6","5","2","1","1") = "5"
    & skf18("4","2","6","5","2","2","1") = "5"
    & skf18("4","2","6","5","2","3","1") = "5"
    & skf18("4","2","6","5","2","4","1") = "5"
    & skf18("4","2","6","5","2","5","1") = "5"
    & skf18("4","2","6","5","2","6","1") = "5"
    & skf18("4","2","6","5","2","7","1") = "6"
    & skf18("4","2","6","5","2","8","1") = "7"
    & skf18("4","2","6","5","2","9","1") = "8"
    & skf18("4","2","6","5","2","10","1") = "9"
    & skf18("4","2","6","5","3","1","1") = "5"
    & skf18("4","2","6","5","3","2","1") = "5"
    & skf18("4","2","6","5","3","3","1") = "5"
    & skf18("4","2","6","5","3","4","1") = "5"
    & skf18("4","2","6","5","3","5","1") = "5"
    & skf18("4","2","6","5","3","6","1") = "5"
    & skf18("4","2","6","5","3","7","1") = "6"
    & skf18("4","2","6","5","3","8","1") = "7"
    & skf18("4","2","6","5","3","9","1") = "8"
    & skf18("4","2","6","5","3","10","1") = "9"
    & skf18("4","2","6","5","4","1","1") = "5"
    & skf18("4","2","6","5","4","2","1") = "5"
    & skf18("4","2","6","5","4","3","1") = "5"
    & skf18("4","2","6","5","4","4","1") = "5"
    & skf18("4","2","6","5","4","5","1") = "5"
    & skf18("4","2","6","5","4","6","1") = "5"
    & skf18("4","2","6","5","4","7","1") = "6"
    & skf18("4","2","6","5","4","8","1") = "7"
    & skf18("4","2","6","5","4","9","1") = "8"
    & skf18("4","2","6","5","4","10","1") = "9"
    & skf18("4","2","6","5","5","1","1") = "5"
    & skf18("4","2","6","5","5","2","1") = "5"
    & skf18("4","2","6","5","5","3","1") = "5"
    & skf18("4","2","6","5","5","4","1") = "5"
    & skf18("4","2","6","5","5","5","1") = "5"
    & skf18("4","2","6","5","5","6","1") = "5"
    & skf18("4","2","6","5","5","7","1") = "6"
    & skf18("4","2","6","5","5","8","1") = "7"
    & skf18("4","2","6","5","5","9","1") = "8"
    & skf18("4","2","6","5","5","10","1") = "9"
    & skf18("4","2","6","5","6","1","1") = "5"
    & skf18("4","2","6","5","6","2","1") = "5"
    & skf18("4","2","6","5","6","3","1") = "5"
    & skf18("4","2","6","5","6","4","1") = "5"
    & skf18("4","2","6","5","6","5","1") = "5"
    & skf18("4","2","6","5","6","6","1") = "5"
    & skf18("4","2","6","5","6","7","1") = "6"
    & skf18("4","2","6","5","6","8","1") = "7"
    & skf18("4","2","6","5","6","9","1") = "8"
    & skf18("4","2","6","5","6","10","1") = "9"
    & skf18("4","2","6","5","7","1","1") = "6"
    & skf18("4","2","6","5","7","2","1") = "6"
    & skf18("4","2","6","5","7","3","1") = "6"
    & skf18("4","2","6","5","7","4","1") = "6"
    & skf18("4","2","6","5","7","5","1") = "6"
    & skf18("4","2","6","5","7","6","1") = "6"
    & skf18("4","2","6","5","7","7","1") = "6"
    & skf18("4","2","6","5","7","8","1") = "7"
    & skf18("4","2","6","5","7","9","1") = "8"
    & skf18("4","2","6","5","7","10","1") = "9"
    & skf18("4","2","6","5","8","1","1") = "7"
    & skf18("4","2","6","5","8","2","1") = "7"
    & skf18("4","2","6","5","8","3","1") = "7"
    & skf18("4","2","6","5","8","4","1") = "7"
    & skf18("4","2","6","5","8","5","1") = "7"
    & skf18("4","2","6","5","8","6","1") = "7"
    & skf18("4","2","6","5","8","7","1") = "7"
    & skf18("4","2","6","5","8","8","1") = "7"
    & skf18("4","2","6","5","8","9","1") = "8"
    & skf18("4","2","6","5","8","10","1") = "9"
    & skf18("4","2","6","5","9","1","1") = "8"
    & skf18("4","2","6","5","9","2","1") = "8"
    & skf18("4","2","6","5","9","3","1") = "8"
    & skf18("4","2","6","5","9","4","1") = "8"
    & skf18("4","2","6","5","9","5","1") = "8"
    & skf18("4","2","6","5","9","6","1") = "8"
    & skf18("4","2","6","5","9","7","1") = "8"
    & skf18("4","2","6","5","9","8","1") = "8"
    & skf18("4","2","6","5","9","9","1") = "8"
    & skf18("4","2","6","5","9","10","1") = "9"
    & skf18("4","2","6","5","10","1","1") = "9"
    & skf18("4","2","6","5","10","2","1") = "9"
    & skf18("4","2","6","5","10","3","1") = "9"
    & skf18("4","2","6","5","10","4","1") = "9"
    & skf18("4","2","6","5","10","5","1") = "9"
    & skf18("4","2","6","5","10","6","1") = "9"
    & skf18("4","2","6","5","10","7","1") = "9"
    & skf18("4","2","6","5","10","8","1") = "9"
    & skf18("4","2","6","5","10","9","1") = "9"
    & skf18("4","2","6","5","10","10","1") = "9"
    & skf18("4","2","6","6","1","1","1") = "5"
    & skf18("4","2","6","6","1","2","1") = "5"
    & skf18("4","2","6","6","1","3","1") = "5"
    & skf18("4","2","6","6","1","4","1") = "5"
    & skf18("4","2","6","6","1","5","1") = "5"
    & skf18("4","2","6","6","1","6","1") = "5"
    & skf18("4","2","6","6","1","7","1") = "6"
    & skf18("4","2","6","6","1","8","1") = "7"
    & skf18("4","2","6","6","1","9","1") = "8"
    & skf18("4","2","6","6","1","10","1") = "9"
    & skf18("4","2","6","6","2","1","1") = "5"
    & skf18("4","2","6","6","2","2","1") = "5"
    & skf18("4","2","6","6","2","3","1") = "5"
    & skf18("4","2","6","6","2","4","1") = "5"
    & skf18("4","2","6","6","2","5","1") = "5"
    & skf18("4","2","6","6","2","6","1") = "5"
    & skf18("4","2","6","6","2","7","1") = "6"
    & skf18("4","2","6","6","2","8","1") = "7"
    & skf18("4","2","6","6","2","9","1") = "8"
    & skf18("4","2","6","6","2","10","1") = "9"
    & skf18("4","2","6","6","3","1","1") = "5"
    & skf18("4","2","6","6","3","2","1") = "5"
    & skf18("4","2","6","6","3","3","1") = "5"
    & skf18("4","2","6","6","3","4","1") = "5"
    & skf18("4","2","6","6","3","5","1") = "5"
    & skf18("4","2","6","6","3","6","1") = "5"
    & skf18("4","2","6","6","3","7","1") = "6"
    & skf18("4","2","6","6","3","8","1") = "7"
    & skf18("4","2","6","6","3","9","1") = "8"
    & skf18("4","2","6","6","3","10","1") = "9"
    & skf18("4","2","6","6","4","1","1") = "5"
    & skf18("4","2","6","6","4","2","1") = "5"
    & skf18("4","2","6","6","4","3","1") = "5"
    & skf18("4","2","6","6","4","4","1") = "5"
    & skf18("4","2","6","6","4","5","1") = "5"
    & skf18("4","2","6","6","4","6","1") = "5"
    & skf18("4","2","6","6","4","7","1") = "6"
    & skf18("4","2","6","6","4","8","1") = "7"
    & skf18("4","2","6","6","4","9","1") = "8"
    & skf18("4","2","6","6","4","10","1") = "9"
    & skf18("4","2","6","6","5","1","1") = "5"
    & skf18("4","2","6","6","5","2","1") = "5"
    & skf18("4","2","6","6","5","3","1") = "5"
    & skf18("4","2","6","6","5","4","1") = "5"
    & skf18("4","2","6","6","5","5","1") = "5"
    & skf18("4","2","6","6","5","6","1") = "5"
    & skf18("4","2","6","6","5","7","1") = "6"
    & skf18("4","2","6","6","5","8","1") = "7"
    & skf18("4","2","6","6","5","9","1") = "8"
    & skf18("4","2","6","6","5","10","1") = "9"
    & skf18("4","2","6","6","6","1","1") = "5"
    & skf18("4","2","6","6","6","2","1") = "5"
    & skf18("4","2","6","6","6","3","1") = "5"
    & skf18("4","2","6","6","6","4","1") = "5"
    & skf18("4","2","6","6","6","5","1") = "5"
    & skf18("4","2","6","6","6","6","1") = "5"
    & skf18("4","2","6","6","6","7","1") = "6"
    & skf18("4","2","6","6","6","8","1") = "7"
    & skf18("4","2","6","6","6","9","1") = "8"
    & skf18("4","2","6","6","6","10","1") = "9"
    & skf18("4","2","6","6","7","1","1") = "6"
    & skf18("4","2","6","6","7","2","1") = "6"
    & skf18("4","2","6","6","7","3","1") = "6"
    & skf18("4","2","6","6","7","4","1") = "6"
    & skf18("4","2","6","6","7","5","1") = "6"
    & skf18("4","2","6","6","7","6","1") = "6"
    & skf18("4","2","6","6","7","7","1") = "6"
    & skf18("4","2","6","6","7","8","1") = "7"
    & skf18("4","2","6","6","7","9","1") = "8"
    & skf18("4","2","6","6","7","10","1") = "9"
    & skf18("4","2","6","6","8","1","1") = "7"
    & skf18("4","2","6","6","8","2","1") = "7"
    & skf18("4","2","6","6","8","3","1") = "7"
    & skf18("4","2","6","6","8","4","1") = "7"
    & skf18("4","2","6","6","8","5","1") = "7"
    & skf18("4","2","6","6","8","6","1") = "7"
    & skf18("4","2","6","6","8","7","1") = "7"
    & skf18("4","2","6","6","8","8","1") = "7"
    & skf18("4","2","6","6","8","9","1") = "8"
    & skf18("4","2","6","6","8","10","1") = "9"
    & skf18("4","2","6","6","9","1","1") = "8"
    & skf18("4","2","6","6","9","2","1") = "8"
    & skf18("4","2","6","6","9","3","1") = "8"
    & skf18("4","2","6","6","9","4","1") = "8"
    & skf18("4","2","6","6","9","5","1") = "8"
    & skf18("4","2","6","6","9","6","1") = "8"
    & skf18("4","2","6","6","9","7","1") = "8"
    & skf18("4","2","6","6","9","8","1") = "8"
    & skf18("4","2","6","6","9","9","1") = "8"
    & skf18("4","2","6","6","9","10","1") = "9"
    & skf18("4","2","6","6","10","1","1") = "9"
    & skf18("4","2","6","6","10","2","1") = "9"
    & skf18("4","2","6","6","10","3","1") = "9"
    & skf18("4","2","6","6","10","4","1") = "9"
    & skf18("4","2","6","6","10","5","1") = "9"
    & skf18("4","2","6","6","10","6","1") = "9"
    & skf18("4","2","6","6","10","7","1") = "9"
    & skf18("4","2","6","6","10","8","1") = "9"
    & skf18("4","2","6","6","10","9","1") = "9"
    & skf18("4","2","6","6","10","10","1") = "9"
    & skf18("4","2","6","7","1","1","1") = "6"
    & skf18("4","2","6","7","1","2","1") = "6"
    & skf18("4","2","6","7","1","3","1") = "6"
    & skf18("4","2","6","7","1","4","1") = "6"
    & skf18("4","2","6","7","1","5","1") = "6"
    & skf18("4","2","6","7","1","6","1") = "6"
    & skf18("4","2","6","7","1","7","1") = "6"
    & skf18("4","2","6","7","1","8","1") = "7"
    & skf18("4","2","6","7","1","9","1") = "8"
    & skf18("4","2","6","7","1","10","1") = "9"
    & skf18("4","2","6","7","2","1","1") = "6"
    & skf18("4","2","6","7","2","2","1") = "6"
    & skf18("4","2","6","7","2","3","1") = "6"
    & skf18("4","2","6","7","2","4","1") = "6"
    & skf18("4","2","6","7","2","5","1") = "6"
    & skf18("4","2","6","7","2","6","1") = "6"
    & skf18("4","2","6","7","2","7","1") = "6"
    & skf18("4","2","6","7","2","8","1") = "7"
    & skf18("4","2","6","7","2","9","1") = "8"
    & skf18("4","2","6","7","2","10","1") = "9"
    & skf18("4","2","6","7","3","1","1") = "6"
    & skf18("4","2","6","7","3","2","1") = "6"
    & skf18("4","2","6","7","3","3","1") = "6"
    & skf18("4","2","6","7","3","4","1") = "6"
    & skf18("4","2","6","7","3","5","1") = "6"
    & skf18("4","2","6","7","3","6","1") = "6"
    & skf18("4","2","6","7","3","7","1") = "6"
    & skf18("4","2","6","7","3","8","1") = "7"
    & skf18("4","2","6","7","3","9","1") = "8"
    & skf18("4","2","6","7","3","10","1") = "9"
    & skf18("4","2","6","7","4","1","1") = "6"
    & skf18("4","2","6","7","4","2","1") = "6"
    & skf18("4","2","6","7","4","3","1") = "6"
    & skf18("4","2","6","7","4","4","1") = "6"
    & skf18("4","2","6","7","4","5","1") = "6"
    & skf18("4","2","6","7","4","6","1") = "6"
    & skf18("4","2","6","7","4","7","1") = "6"
    & skf18("4","2","6","7","4","8","1") = "7"
    & skf18("4","2","6","7","4","9","1") = "8"
    & skf18("4","2","6","7","4","10","1") = "9"
    & skf18("4","2","6","7","5","1","1") = "6"
    & skf18("4","2","6","7","5","2","1") = "6"
    & skf18("4","2","6","7","5","3","1") = "6"
    & skf18("4","2","6","7","5","4","1") = "6"
    & skf18("4","2","6","7","5","5","1") = "6"
    & skf18("4","2","6","7","5","6","1") = "6"
    & skf18("4","2","6","7","5","7","1") = "6"
    & skf18("4","2","6","7","5","8","1") = "7"
    & skf18("4","2","6","7","5","9","1") = "8"
    & skf18("4","2","6","7","5","10","1") = "9"
    & skf18("4","2","6","7","6","1","1") = "6"
    & skf18("4","2","6","7","6","2","1") = "6"
    & skf18("4","2","6","7","6","3","1") = "6"
    & skf18("4","2","6","7","6","4","1") = "6"
    & skf18("4","2","6","7","6","5","1") = "6"
    & skf18("4","2","6","7","6","6","1") = "6"
    & skf18("4","2","6","7","6","7","1") = "6"
    & skf18("4","2","6","7","6","8","1") = "7"
    & skf18("4","2","6","7","6","9","1") = "8"
    & skf18("4","2","6","7","6","10","1") = "9"
    & skf18("4","2","6","7","7","1","1") = "6"
    & skf18("4","2","6","7","7","2","1") = "6"
    & skf18("4","2","6","7","7","3","1") = "6"
    & skf18("4","2","6","7","7","4","1") = "6"
    & skf18("4","2","6","7","7","5","1") = "6"
    & skf18("4","2","6","7","7","6","1") = "6"
    & skf18("4","2","6","7","7","7","1") = "6"
    & skf18("4","2","6","7","7","8","1") = "7"
    & skf18("4","2","6","7","7","9","1") = "8"
    & skf18("4","2","6","7","7","10","1") = "9"
    & skf18("4","2","6","7","8","1","1") = "7"
    & skf18("4","2","6","7","8","2","1") = "7"
    & skf18("4","2","6","7","8","3","1") = "7"
    & skf18("4","2","6","7","8","4","1") = "7"
    & skf18("4","2","6","7","8","5","1") = "7"
    & skf18("4","2","6","7","8","6","1") = "7"
    & skf18("4","2","6","7","8","7","1") = "7"
    & skf18("4","2","6","7","8","8","1") = "7"
    & skf18("4","2","6","7","8","9","1") = "8"
    & skf18("4","2","6","7","8","10","1") = "9"
    & skf18("4","2","6","7","9","1","1") = "8"
    & skf18("4","2","6","7","9","2","1") = "8"
    & skf18("4","2","6","7","9","3","1") = "8"
    & skf18("4","2","6","7","9","4","1") = "8"
    & skf18("4","2","6","7","9","5","1") = "8"
    & skf18("4","2","6","7","9","6","1") = "8"
    & skf18("4","2","6","7","9","7","1") = "8"
    & skf18("4","2","6","7","9","8","1") = "8"
    & skf18("4","2","6","7","9","9","1") = "8"
    & skf18("4","2","6","7","9","10","1") = "9"
    & skf18("4","2","6","7","10","1","1") = "9"
    & skf18("4","2","6","7","10","2","1") = "9"
    & skf18("4","2","6","7","10","3","1") = "9"
    & skf18("4","2","6","7","10","4","1") = "9"
    & skf18("4","2","6","7","10","5","1") = "9"
    & skf18("4","2","6","7","10","6","1") = "9"
    & skf18("4","2","6","7","10","7","1") = "9"
    & skf18("4","2","6","7","10","8","1") = "9"
    & skf18("4","2","6","7","10","9","1") = "9"
    & skf18("4","2","6","7","10","10","1") = "9"
    & skf18("4","2","6","8","1","1","1") = "7"
    & skf18("4","2","6","8","1","2","1") = "7"
    & skf18("4","2","6","8","1","3","1") = "7"
    & skf18("4","2","6","8","1","4","1") = "7"
    & skf18("4","2","6","8","1","5","1") = "7"
    & skf18("4","2","6","8","1","6","1") = "7"
    & skf18("4","2","6","8","1","7","1") = "7"
    & skf18("4","2","6","8","1","8","1") = "7"
    & skf18("4","2","6","8","1","9","1") = "8"
    & skf18("4","2","6","8","1","10","1") = "9"
    & skf18("4","2","6","8","2","1","1") = "7"
    & skf18("4","2","6","8","2","2","1") = "7"
    & skf18("4","2","6","8","2","3","1") = "7"
    & skf18("4","2","6","8","2","4","1") = "7"
    & skf18("4","2","6","8","2","5","1") = "7"
    & skf18("4","2","6","8","2","6","1") = "7"
    & skf18("4","2","6","8","2","7","1") = "7"
    & skf18("4","2","6","8","2","8","1") = "7"
    & skf18("4","2","6","8","2","9","1") = "8"
    & skf18("4","2","6","8","2","10","1") = "9"
    & skf18("4","2","6","8","3","1","1") = "7"
    & skf18("4","2","6","8","3","2","1") = "7"
    & skf18("4","2","6","8","3","3","1") = "7"
    & skf18("4","2","6","8","3","4","1") = "7"
    & skf18("4","2","6","8","3","5","1") = "7"
    & skf18("4","2","6","8","3","6","1") = "7"
    & skf18("4","2","6","8","3","7","1") = "7"
    & skf18("4","2","6","8","3","8","1") = "7"
    & skf18("4","2","6","8","3","9","1") = "8"
    & skf18("4","2","6","8","3","10","1") = "9"
    & skf18("4","2","6","8","4","1","1") = "7"
    & skf18("4","2","6","8","4","2","1") = "7"
    & skf18("4","2","6","8","4","3","1") = "7"
    & skf18("4","2","6","8","4","4","1") = "7"
    & skf18("4","2","6","8","4","5","1") = "7"
    & skf18("4","2","6","8","4","6","1") = "7"
    & skf18("4","2","6","8","4","7","1") = "7"
    & skf18("4","2","6","8","4","8","1") = "7"
    & skf18("4","2","6","8","4","9","1") = "8"
    & skf18("4","2","6","8","4","10","1") = "9"
    & skf18("4","2","6","8","5","1","1") = "7"
    & skf18("4","2","6","8","5","2","1") = "7"
    & skf18("4","2","6","8","5","3","1") = "7"
    & skf18("4","2","6","8","5","4","1") = "7"
    & skf18("4","2","6","8","5","5","1") = "7"
    & skf18("4","2","6","8","5","6","1") = "7"
    & skf18("4","2","6","8","5","7","1") = "7"
    & skf18("4","2","6","8","5","8","1") = "7"
    & skf18("4","2","6","8","5","9","1") = "8"
    & skf18("4","2","6","8","5","10","1") = "9"
    & skf18("4","2","6","8","6","1","1") = "7"
    & skf18("4","2","6","8","6","2","1") = "7"
    & skf18("4","2","6","8","6","3","1") = "7"
    & skf18("4","2","6","8","6","4","1") = "7"
    & skf18("4","2","6","8","6","5","1") = "7"
    & skf18("4","2","6","8","6","6","1") = "7"
    & skf18("4","2","6","8","6","7","1") = "7"
    & skf18("4","2","6","8","6","8","1") = "7"
    & skf18("4","2","6","8","6","9","1") = "8"
    & skf18("4","2","6","8","6","10","1") = "9"
    & skf18("4","2","6","8","7","1","1") = "7"
    & skf18("4","2","6","8","7","2","1") = "7"
    & skf18("4","2","6","8","7","3","1") = "7"
    & skf18("4","2","6","8","7","4","1") = "7"
    & skf18("4","2","6","8","7","5","1") = "7"
    & skf18("4","2","6","8","7","6","1") = "7"
    & skf18("4","2","6","8","7","7","1") = "7"
    & skf18("4","2","6","8","7","8","1") = "7"
    & skf18("4","2","6","8","7","9","1") = "8"
    & skf18("4","2","6","8","7","10","1") = "9"
    & skf18("4","2","6","8","8","1","1") = "7"
    & skf18("4","2","6","8","8","2","1") = "7"
    & skf18("4","2","6","8","8","3","1") = "7"
    & skf18("4","2","6","8","8","4","1") = "7"
    & skf18("4","2","6","8","8","5","1") = "7"
    & skf18("4","2","6","8","8","6","1") = "7"
    & skf18("4","2","6","8","8","7","1") = "7"
    & skf18("4","2","6","8","8","8","1") = "7"
    & skf18("4","2","6","8","8","9","1") = "8"
    & skf18("4","2","6","8","8","10","1") = "9"
    & skf18("4","2","6","8","9","1","1") = "8"
    & skf18("4","2","6","8","9","2","1") = "8"
    & skf18("4","2","6","8","9","3","1") = "8"
    & skf18("4","2","6","8","9","4","1") = "8"
    & skf18("4","2","6","8","9","5","1") = "8"
    & skf18("4","2","6","8","9","6","1") = "8"
    & skf18("4","2","6","8","9","7","1") = "8"
    & skf18("4","2","6","8","9","8","1") = "8"
    & skf18("4","2","6","8","9","9","1") = "8"
    & skf18("4","2","6","8","9","10","1") = "9"
    & skf18("4","2","6","8","10","1","1") = "9"
    & skf18("4","2","6","8","10","2","1") = "9"
    & skf18("4","2","6","8","10","3","1") = "9"
    & skf18("4","2","6","8","10","4","1") = "9"
    & skf18("4","2","6","8","10","5","1") = "9"
    & skf18("4","2","6","8","10","6","1") = "9"
    & skf18("4","2","6","8","10","7","1") = "9"
    & skf18("4","2","6","8","10","8","1") = "9"
    & skf18("4","2","6","8","10","9","1") = "9"
    & skf18("4","2","6","8","10","10","1") = "9"
    & skf18("4","2","6","9","1","1","1") = "8"
    & skf18("4","2","6","9","1","2","1") = "8"
    & skf18("4","2","6","9","1","3","1") = "8"
    & skf18("4","2","6","9","1","4","1") = "8"
    & skf18("4","2","6","9","1","5","1") = "8"
    & skf18("4","2","6","9","1","6","1") = "8"
    & skf18("4","2","6","9","1","7","1") = "8"
    & skf18("4","2","6","9","1","8","1") = "8"
    & skf18("4","2","6","9","1","9","1") = "8"
    & skf18("4","2","6","9","1","10","1") = "9"
    & skf18("4","2","6","9","2","1","1") = "8"
    & skf18("4","2","6","9","2","2","1") = "8"
    & skf18("4","2","6","9","2","3","1") = "8"
    & skf18("4","2","6","9","2","4","1") = "8"
    & skf18("4","2","6","9","2","5","1") = "8"
    & skf18("4","2","6","9","2","6","1") = "8"
    & skf18("4","2","6","9","2","7","1") = "8"
    & skf18("4","2","6","9","2","8","1") = "8"
    & skf18("4","2","6","9","2","9","1") = "8"
    & skf18("4","2","6","9","2","10","1") = "9"
    & skf18("4","2","6","9","3","1","1") = "8"
    & skf18("4","2","6","9","3","2","1") = "8"
    & skf18("4","2","6","9","3","3","1") = "8"
    & skf18("4","2","6","9","3","4","1") = "8"
    & skf18("4","2","6","9","3","5","1") = "8"
    & skf18("4","2","6","9","3","6","1") = "8"
    & skf18("4","2","6","9","3","7","1") = "8"
    & skf18("4","2","6","9","3","8","1") = "8"
    & skf18("4","2","6","9","3","9","1") = "8"
    & skf18("4","2","6","9","3","10","1") = "9"
    & skf18("4","2","6","9","4","1","1") = "8"
    & skf18("4","2","6","9","4","2","1") = "8"
    & skf18("4","2","6","9","4","3","1") = "8"
    & skf18("4","2","6","9","4","4","1") = "8"
    & skf18("4","2","6","9","4","5","1") = "8"
    & skf18("4","2","6","9","4","6","1") = "8"
    & skf18("4","2","6","9","4","7","1") = "8"
    & skf18("4","2","6","9","4","8","1") = "8"
    & skf18("4","2","6","9","4","9","1") = "8"
    & skf18("4","2","6","9","4","10","1") = "9"
    & skf18("4","2","6","9","5","1","1") = "8"
    & skf18("4","2","6","9","5","2","1") = "8"
    & skf18("4","2","6","9","5","3","1") = "8"
    & skf18("4","2","6","9","5","4","1") = "8"
    & skf18("4","2","6","9","5","5","1") = "8"
    & skf18("4","2","6","9","5","6","1") = "8"
    & skf18("4","2","6","9","5","7","1") = "8"
    & skf18("4","2","6","9","5","8","1") = "8"
    & skf18("4","2","6","9","5","9","1") = "8"
    & skf18("4","2","6","9","5","10","1") = "9"
    & skf18("4","2","6","9","6","1","1") = "8"
    & skf18("4","2","6","9","6","2","1") = "8"
    & skf18("4","2","6","9","6","3","1") = "8"
    & skf18("4","2","6","9","6","4","1") = "8"
    & skf18("4","2","6","9","6","5","1") = "8"
    & skf18("4","2","6","9","6","6","1") = "8"
    & skf18("4","2","6","9","6","7","1") = "8"
    & skf18("4","2","6","9","6","8","1") = "8"
    & skf18("4","2","6","9","6","9","1") = "8"
    & skf18("4","2","6","9","6","10","1") = "9"
    & skf18("4","2","6","9","7","1","1") = "8"
    & skf18("4","2","6","9","7","2","1") = "8"
    & skf18("4","2","6","9","7","3","1") = "8"
    & skf18("4","2","6","9","7","4","1") = "8"
    & skf18("4","2","6","9","7","5","1") = "8"
    & skf18("4","2","6","9","7","6","1") = "8"
    & skf18("4","2","6","9","7","7","1") = "8"
    & skf18("4","2","6","9","7","8","1") = "8"
    & skf18("4","2","6","9","7","9","1") = "8"
    & skf18("4","2","6","9","7","10","1") = "9"
    & skf18("4","2","6","9","8","1","1") = "8"
    & skf18("4","2","6","9","8","2","1") = "8"
    & skf18("4","2","6","9","8","3","1") = "8"
    & skf18("4","2","6","9","8","4","1") = "8"
    & skf18("4","2","6","9","8","5","1") = "8"
    & skf18("4","2","6","9","8","6","1") = "8"
    & skf18("4","2","6","9","8","7","1") = "8"
    & skf18("4","2","6","9","8","8","1") = "8"
    & skf18("4","2","6","9","8","9","1") = "8"
    & skf18("4","2","6","9","8","10","1") = "9"
    & skf18("4","2","6","9","9","1","1") = "8"
    & skf18("4","2","6","9","9","2","1") = "8"
    & skf18("4","2","6","9","9","3","1") = "8"
    & skf18("4","2","6","9","9","4","1") = "8"
    & skf18("4","2","6","9","9","5","1") = "8"
    & skf18("4","2","6","9","9","6","1") = "8"
    & skf18("4","2","6","9","9","7","1") = "8"
    & skf18("4","2","6","9","9","8","1") = "8"
    & skf18("4","2","6","9","9","9","1") = "8"
    & skf18("4","2","6","9","9","10","1") = "9"
    & skf18("4","2","6","9","10","1","1") = "9"
    & skf18("4","2","6","9","10","2","1") = "9"
    & skf18("4","2","6","9","10","3","1") = "9"
    & skf18("4","2","6","9","10","4","1") = "9"
    & skf18("4","2","6","9","10","5","1") = "9"
    & skf18("4","2","6","9","10","6","1") = "9"
    & skf18("4","2","6","9","10","7","1") = "9"
    & skf18("4","2","6","9","10","8","1") = "9"
    & skf18("4","2","6","9","10","9","1") = "9"
    & skf18("4","2","6","9","10","10","1") = "9"
    & skf18("4","2","6","10","1","1","1") = "9"
    & skf18("4","2","6","10","1","2","1") = "9"
    & skf18("4","2","6","10","1","3","1") = "9"
    & skf18("4","2","6","10","1","4","1") = "9"
    & skf18("4","2","6","10","1","5","1") = "9"
    & skf18("4","2","6","10","1","6","1") = "9"
    & skf18("4","2","6","10","1","7","1") = "9"
    & skf18("4","2","6","10","1","8","1") = "9"
    & skf18("4","2","6","10","1","9","1") = "9"
    & skf18("4","2","6","10","1","10","1") = "9"
    & skf18("4","2","6","10","2","1","1") = "9"
    & skf18("4","2","6","10","2","2","1") = "9"
    & skf18("4","2","6","10","2","3","1") = "9"
    & skf18("4","2","6","10","2","4","1") = "9"
    & skf18("4","2","6","10","2","5","1") = "9"
    & skf18("4","2","6","10","2","6","1") = "9"
    & skf18("4","2","6","10","2","7","1") = "9"
    & skf18("4","2","6","10","2","8","1") = "9"
    & skf18("4","2","6","10","2","9","1") = "9"
    & skf18("4","2","6","10","2","10","1") = "9"
    & skf18("4","2","6","10","3","1","1") = "9"
    & skf18("4","2","6","10","3","2","1") = "9"
    & skf18("4","2","6","10","3","3","1") = "9"
    & skf18("4","2","6","10","3","4","1") = "9"
    & skf18("4","2","6","10","3","5","1") = "9"
    & skf18("4","2","6","10","3","6","1") = "9"
    & skf18("4","2","6","10","3","7","1") = "9"
    & skf18("4","2","6","10","3","8","1") = "9"
    & skf18("4","2","6","10","3","9","1") = "9"
    & skf18("4","2","6","10","3","10","1") = "9"
    & skf18("4","2","6","10","4","1","1") = "9"
    & skf18("4","2","6","10","4","2","1") = "9"
    & skf18("4","2","6","10","4","3","1") = "9"
    & skf18("4","2","6","10","4","4","1") = "9"
    & skf18("4","2","6","10","4","5","1") = "9"
    & skf18("4","2","6","10","4","6","1") = "9"
    & skf18("4","2","6","10","4","7","1") = "9"
    & skf18("4","2","6","10","4","8","1") = "9"
    & skf18("4","2","6","10","4","9","1") = "9"
    & skf18("4","2","6","10","4","10","1") = "9"
    & skf18("4","2","6","10","5","1","1") = "9"
    & skf18("4","2","6","10","5","2","1") = "9"
    & skf18("4","2","6","10","5","3","1") = "9"
    & skf18("4","2","6","10","5","4","1") = "9"
    & skf18("4","2","6","10","5","5","1") = "9"
    & skf18("4","2","6","10","5","6","1") = "9"
    & skf18("4","2","6","10","5","7","1") = "9"
    & skf18("4","2","6","10","5","8","1") = "9"
    & skf18("4","2","6","10","5","9","1") = "9"
    & skf18("4","2","6","10","5","10","1") = "9"
    & skf18("4","2","6","10","6","1","1") = "9"
    & skf18("4","2","6","10","6","2","1") = "9"
    & skf18("4","2","6","10","6","3","1") = "9"
    & skf18("4","2","6","10","6","4","1") = "9"
    & skf18("4","2","6","10","6","5","1") = "9"
    & skf18("4","2","6","10","6","6","1") = "9"
    & skf18("4","2","6","10","6","7","1") = "9"
    & skf18("4","2","6","10","6","8","1") = "9"
    & skf18("4","2","6","10","6","9","1") = "9"
    & skf18("4","2","6","10","6","10","1") = "9"
    & skf18("4","2","6","10","7","1","1") = "9"
    & skf18("4","2","6","10","7","2","1") = "9"
    & skf18("4","2","6","10","7","3","1") = "9"
    & skf18("4","2","6","10","7","4","1") = "9"
    & skf18("4","2","6","10","7","5","1") = "9"
    & skf18("4","2","6","10","7","6","1") = "9"
    & skf18("4","2","6","10","7","7","1") = "9"
    & skf18("4","2","6","10","7","8","1") = "9"
    & skf18("4","2","6","10","7","9","1") = "9"
    & skf18("4","2","6","10","7","10","1") = "9"
    & skf18("4","2","6","10","8","1","1") = "9"
    & skf18("4","2","6","10","8","2","1") = "9"
    & skf18("4","2","6","10","8","3","1") = "9"
    & skf18("4","2","6","10","8","4","1") = "9"
    & skf18("4","2","6","10","8","5","1") = "9"
    & skf18("4","2","6","10","8","6","1") = "9"
    & skf18("4","2","6","10","8","7","1") = "9"
    & skf18("4","2","6","10","8","8","1") = "9"
    & skf18("4","2","6","10","8","9","1") = "9"
    & skf18("4","2","6","10","8","10","1") = "9"
    & skf18("4","2","6","10","9","1","1") = "9"
    & skf18("4","2","6","10","9","2","1") = "9"
    & skf18("4","2","6","10","9","3","1") = "9"
    & skf18("4","2","6","10","9","4","1") = "9"
    & skf18("4","2","6","10","9","5","1") = "9"
    & skf18("4","2","6","10","9","6","1") = "9"
    & skf18("4","2","6","10","9","7","1") = "9"
    & skf18("4","2","6","10","9","8","1") = "9"
    & skf18("4","2","6","10","9","9","1") = "9"
    & skf18("4","2","6","10","9","10","1") = "9"
    & skf18("4","2","6","10","10","1","1") = "9"
    & skf18("4","2","6","10","10","2","1") = "9"
    & skf18("4","2","6","10","10","3","1") = "9"
    & skf18("4","2","6","10","10","4","1") = "9"
    & skf18("4","2","6","10","10","5","1") = "9"
    & skf18("4","2","6","10","10","6","1") = "9"
    & skf18("4","2","6","10","10","7","1") = "9"
    & skf18("4","2","6","10","10","8","1") = "9"
    & skf18("4","2","6","10","10","9","1") = "9"
    & skf18("4","2","6","10","10","10","1") = "9"
    & skf18("4","2","7","1","1","1","1") = "6"
    & skf18("4","2","7","1","1","2","1") = "6"
    & skf18("4","2","7","1","1","3","1") = "6"
    & skf18("4","2","7","1","1","4","1") = "6"
    & skf18("4","2","7","1","1","5","1") = "6"
    & skf18("4","2","7","1","1","6","1") = "6"
    & skf18("4","2","7","1","1","7","1") = "6"
    & skf18("4","2","7","1","1","8","1") = "7"
    & skf18("4","2","7","1","1","9","1") = "8"
    & skf18("4","2","7","1","1","10","1") = "9"
    & skf18("4","2","7","1","2","1","1") = "6"
    & skf18("4","2","7","1","2","2","1") = "6"
    & skf18("4","2","7","1","2","3","1") = "6"
    & skf18("4","2","7","1","2","4","1") = "6"
    & skf18("4","2","7","1","2","5","1") = "6"
    & skf18("4","2","7","1","2","6","1") = "6"
    & skf18("4","2","7","1","2","7","1") = "6"
    & skf18("4","2","7","1","2","8","1") = "7"
    & skf18("4","2","7","1","2","9","1") = "8"
    & skf18("4","2","7","1","2","10","1") = "9"
    & skf18("4","2","7","1","3","1","1") = "6"
    & skf18("4","2","7","1","3","2","1") = "6"
    & skf18("4","2","7","1","3","3","1") = "6"
    & skf18("4","2","7","1","3","4","1") = "6"
    & skf18("4","2","7","1","3","5","1") = "6"
    & skf18("4","2","7","1","3","6","1") = "6"
    & skf18("4","2","7","1","3","7","1") = "6"
    & skf18("4","2","7","1","3","8","1") = "7"
    & skf18("4","2","7","1","3","9","1") = "8"
    & skf18("4","2","7","1","3","10","1") = "9"
    & skf18("4","2","7","1","4","1","1") = "6"
    & skf18("4","2","7","1","4","2","1") = "6"
    & skf18("4","2","7","1","4","3","1") = "6"
    & skf18("4","2","7","1","4","4","1") = "6"
    & skf18("4","2","7","1","4","5","1") = "6"
    & skf18("4","2","7","1","4","6","1") = "6"
    & skf18("4","2","7","1","4","7","1") = "6"
    & skf18("4","2","7","1","4","8","1") = "7"
    & skf18("4","2","7","1","4","9","1") = "8"
    & skf18("4","2","7","1","4","10","1") = "9"
    & skf18("4","2","7","1","5","1","1") = "6"
    & skf18("4","2","7","1","5","2","1") = "6"
    & skf18("4","2","7","1","5","3","1") = "6"
    & skf18("4","2","7","1","5","4","1") = "6"
    & skf18("4","2","7","1","5","5","1") = "6"
    & skf18("4","2","7","1","5","6","1") = "6"
    & skf18("4","2","7","1","5","7","1") = "6"
    & skf18("4","2","7","1","5","8","1") = "7"
    & skf18("4","2","7","1","5","9","1") = "8"
    & skf18("4","2","7","1","5","10","1") = "9"
    & skf18("4","2","7","1","6","1","1") = "6"
    & skf18("4","2","7","1","6","2","1") = "6"
    & skf18("4","2","7","1","6","3","1") = "6"
    & skf18("4","2","7","1","6","4","1") = "6"
    & skf18("4","2","7","1","6","5","1") = "6"
    & skf18("4","2","7","1","6","6","1") = "6"
    & skf18("4","2","7","1","6","7","1") = "6"
    & skf18("4","2","7","1","6","8","1") = "7"
    & skf18("4","2","7","1","6","9","1") = "8"
    & skf18("4","2","7","1","6","10","1") = "9"
    & skf18("4","2","7","1","7","1","1") = "6"
    & skf18("4","2","7","1","7","2","1") = "6"
    & skf18("4","2","7","1","7","3","1") = "6"
    & skf18("4","2","7","1","7","4","1") = "6"
    & skf18("4","2","7","1","7","5","1") = "6"
    & skf18("4","2","7","1","7","6","1") = "6"
    & skf18("4","2","7","1","7","7","1") = "6"
    & skf18("4","2","7","1","7","8","1") = "7"
    & skf18("4","2","7","1","7","9","1") = "8"
    & skf18("4","2","7","1","7","10","1") = "9"
    & skf18("4","2","7","1","8","1","1") = "7"
    & skf18("4","2","7","1","8","2","1") = "7"
    & skf18("4","2","7","1","8","3","1") = "7"
    & skf18("4","2","7","1","8","4","1") = "7"
    & skf18("4","2","7","1","8","5","1") = "7"
    & skf18("4","2","7","1","8","6","1") = "7"
    & skf18("4","2","7","1","8","7","1") = "7"
    & skf18("4","2","7","1","8","8","1") = "7"
    & skf18("4","2","7","1","8","9","1") = "8"
    & skf18("4","2","7","1","8","10","1") = "9"
    & skf18("4","2","7","1","9","1","1") = "8"
    & skf18("4","2","7","1","9","2","1") = "8"
    & skf18("4","2","7","1","9","3","1") = "8"
    & skf18("4","2","7","1","9","4","1") = "8"
    & skf18("4","2","7","1","9","5","1") = "8"
    & skf18("4","2","7","1","9","6","1") = "8"
    & skf18("4","2","7","1","9","7","1") = "8"
    & skf18("4","2","7","1","9","8","1") = "8"
    & skf18("4","2","7","1","9","9","1") = "8"
    & skf18("4","2","7","1","9","10","1") = "9"
    & skf18("4","2","7","1","10","1","1") = "9"
    & skf18("4","2","7","1","10","2","1") = "9"
    & skf18("4","2","7","1","10","3","1") = "9"
    & skf18("4","2","7","1","10","4","1") = "9"
    & skf18("4","2","7","1","10","5","1") = "9"
    & skf18("4","2","7","1","10","6","1") = "9"
    & skf18("4","2","7","1","10","7","1") = "9"
    & skf18("4","2","7","1","10","8","1") = "9"
    & skf18("4","2","7","1","10","9","1") = "9"
    & skf18("4","2","7","1","10","10","1") = "9"
    & skf18("4","2","7","2","1","1","1") = "6"
    & skf18("4","2","7","2","1","2","1") = "6"
    & skf18("4","2","7","2","1","3","1") = "6"
    & skf18("4","2","7","2","1","4","1") = "6"
    & skf18("4","2","7","2","1","5","1") = "6"
    & skf18("4","2","7","2","1","6","1") = "6"
    & skf18("4","2","7","2","1","7","1") = "6"
    & skf18("4","2","7","2","1","8","1") = "7"
    & skf18("4","2","7","2","1","9","1") = "8"
    & skf18("4","2","7","2","1","10","1") = "9"
    & skf18("4","2","7","2","2","1","1") = "6"
    & skf18("4","2","7","2","2","2","1") = "6"
    & skf18("4","2","7","2","2","3","1") = "6"
    & skf18("4","2","7","2","2","4","1") = "6"
    & skf18("4","2","7","2","2","5","1") = "6"
    & skf18("4","2","7","2","2","6","1") = "6"
    & skf18("4","2","7","2","2","7","1") = "6"
    & skf18("4","2","7","2","2","8","1") = "7"
    & skf18("4","2","7","2","2","9","1") = "8"
    & skf18("4","2","7","2","2","10","1") = "9"
    & skf18("4","2","7","2","3","1","1") = "6"
    & skf18("4","2","7","2","3","2","1") = "6"
    & skf18("4","2","7","2","3","3","1") = "6"
    & skf18("4","2","7","2","3","4","1") = "6"
    & skf18("4","2","7","2","3","5","1") = "6"
    & skf18("4","2","7","2","3","6","1") = "6"
    & skf18("4","2","7","2","3","7","1") = "6"
    & skf18("4","2","7","2","3","8","1") = "7"
    & skf18("4","2","7","2","3","9","1") = "8"
    & skf18("4","2","7","2","3","10","1") = "9"
    & skf18("4","2","7","2","4","1","1") = "6"
    & skf18("4","2","7","2","4","2","1") = "6"
    & skf18("4","2","7","2","4","3","1") = "6"
    & skf18("4","2","7","2","4","4","1") = "6"
    & skf18("4","2","7","2","4","5","1") = "6"
    & skf18("4","2","7","2","4","6","1") = "6"
    & skf18("4","2","7","2","4","7","1") = "6"
    & skf18("4","2","7","2","4","8","1") = "7"
    & skf18("4","2","7","2","4","9","1") = "8"
    & skf18("4","2","7","2","4","10","1") = "9"
    & skf18("4","2","7","2","5","1","1") = "6"
    & skf18("4","2","7","2","5","2","1") = "6"
    & skf18("4","2","7","2","5","3","1") = "6"
    & skf18("4","2","7","2","5","4","1") = "6"
    & skf18("4","2","7","2","5","5","1") = "6"
    & skf18("4","2","7","2","5","6","1") = "6"
    & skf18("4","2","7","2","5","7","1") = "6"
    & skf18("4","2","7","2","5","8","1") = "7"
    & skf18("4","2","7","2","5","9","1") = "8"
    & skf18("4","2","7","2","5","10","1") = "9"
    & skf18("4","2","7","2","6","1","1") = "6"
    & skf18("4","2","7","2","6","2","1") = "6"
    & skf18("4","2","7","2","6","3","1") = "6"
    & skf18("4","2","7","2","6","4","1") = "6"
    & skf18("4","2","7","2","6","5","1") = "6"
    & skf18("4","2","7","2","6","6","1") = "6"
    & skf18("4","2","7","2","6","7","1") = "6"
    & skf18("4","2","7","2","6","8","1") = "7"
    & skf18("4","2","7","2","6","9","1") = "8"
    & skf18("4","2","7","2","6","10","1") = "9"
    & skf18("4","2","7","2","7","1","1") = "6"
    & skf18("4","2","7","2","7","2","1") = "6"
    & skf18("4","2","7","2","7","3","1") = "6"
    & skf18("4","2","7","2","7","4","1") = "6"
    & skf18("4","2","7","2","7","5","1") = "6"
    & skf18("4","2","7","2","7","6","1") = "6"
    & skf18("4","2","7","2","7","7","1") = "6"
    & skf18("4","2","7","2","7","8","1") = "7"
    & skf18("4","2","7","2","7","9","1") = "8"
    & skf18("4","2","7","2","7","10","1") = "9"
    & skf18("4","2","7","2","8","1","1") = "7"
    & skf18("4","2","7","2","8","2","1") = "7"
    & skf18("4","2","7","2","8","3","1") = "7"
    & skf18("4","2","7","2","8","4","1") = "7"
    & skf18("4","2","7","2","8","5","1") = "7"
    & skf18("4","2","7","2","8","6","1") = "7"
    & skf18("4","2","7","2","8","7","1") = "7"
    & skf18("4","2","7","2","8","8","1") = "7"
    & skf18("4","2","7","2","8","9","1") = "8"
    & skf18("4","2","7","2","8","10","1") = "9"
    & skf18("4","2","7","2","9","1","1") = "8"
    & skf18("4","2","7","2","9","2","1") = "8"
    & skf18("4","2","7","2","9","3","1") = "8"
    & skf18("4","2","7","2","9","4","1") = "8"
    & skf18("4","2","7","2","9","5","1") = "8"
    & skf18("4","2","7","2","9","6","1") = "8"
    & skf18("4","2","7","2","9","7","1") = "8"
    & skf18("4","2","7","2","9","8","1") = "8"
    & skf18("4","2","7","2","9","9","1") = "8"
    & skf18("4","2","7","2","9","10","1") = "9"
    & skf18("4","2","7","2","10","1","1") = "9"
    & skf18("4","2","7","2","10","2","1") = "9"
    & skf18("4","2","7","2","10","3","1") = "9"
    & skf18("4","2","7","2","10","4","1") = "9"
    & skf18("4","2","7","2","10","5","1") = "9"
    & skf18("4","2","7","2","10","6","1") = "9"
    & skf18("4","2","7","2","10","7","1") = "9"
    & skf18("4","2","7","2","10","8","1") = "9"
    & skf18("4","2","7","2","10","9","1") = "9"
    & skf18("4","2","7","2","10","10","1") = "9"
    & skf18("4","2","7","3","1","1","1") = "6"
    & skf18("4","2","7","3","1","2","1") = "6"
    & skf18("4","2","7","3","1","3","1") = "6"
    & skf18("4","2","7","3","1","4","1") = "6"
    & skf18("4","2","7","3","1","5","1") = "6"
    & skf18("4","2","7","3","1","6","1") = "6"
    & skf18("4","2","7","3","1","7","1") = "6"
    & skf18("4","2","7","3","1","8","1") = "7"
    & skf18("4","2","7","3","1","9","1") = "8"
    & skf18("4","2","7","3","1","10","1") = "9"
    & skf18("4","2","7","3","2","1","1") = "6"
    & skf18("4","2","7","3","2","2","1") = "6"
    & skf18("4","2","7","3","2","3","1") = "6"
    & skf18("4","2","7","3","2","4","1") = "6"
    & skf18("4","2","7","3","2","5","1") = "6"
    & skf18("4","2","7","3","2","6","1") = "6"
    & skf18("4","2","7","3","2","7","1") = "6"
    & skf18("4","2","7","3","2","8","1") = "7"
    & skf18("4","2","7","3","2","9","1") = "8"
    & skf18("4","2","7","3","2","10","1") = "9"
    & skf18("4","2","7","3","3","1","1") = "6"
    & skf18("4","2","7","3","3","2","1") = "6"
    & skf18("4","2","7","3","3","3","1") = "6"
    & skf18("4","2","7","3","3","4","1") = "6"
    & skf18("4","2","7","3","3","5","1") = "6"
    & skf18("4","2","7","3","3","6","1") = "6"
    & skf18("4","2","7","3","3","7","1") = "6"
    & skf18("4","2","7","3","3","8","1") = "7"
    & skf18("4","2","7","3","3","9","1") = "8"
    & skf18("4","2","7","3","3","10","1") = "9"
    & skf18("4","2","7","3","4","1","1") = "6"
    & skf18("4","2","7","3","4","2","1") = "6"
    & skf18("4","2","7","3","4","3","1") = "6"
    & skf18("4","2","7","3","4","4","1") = "6"
    & skf18("4","2","7","3","4","5","1") = "6"
    & skf18("4","2","7","3","4","6","1") = "6"
    & skf18("4","2","7","3","4","7","1") = "6"
    & skf18("4","2","7","3","4","8","1") = "7"
    & skf18("4","2","7","3","4","9","1") = "8"
    & skf18("4","2","7","3","4","10","1") = "9"
    & skf18("4","2","7","3","5","1","1") = "6"
    & skf18("4","2","7","3","5","2","1") = "6"
    & skf18("4","2","7","3","5","3","1") = "6"
    & skf18("4","2","7","3","5","4","1") = "6"
    & skf18("4","2","7","3","5","5","1") = "6"
    & skf18("4","2","7","3","5","6","1") = "6"
    & skf18("4","2","7","3","5","7","1") = "6"
    & skf18("4","2","7","3","5","8","1") = "7"
    & skf18("4","2","7","3","5","9","1") = "8"
    & skf18("4","2","7","3","5","10","1") = "9"
    & skf18("4","2","7","3","6","1","1") = "6"
    & skf18("4","2","7","3","6","2","1") = "6"
    & skf18("4","2","7","3","6","3","1") = "6"
    & skf18("4","2","7","3","6","4","1") = "6"
    & skf18("4","2","7","3","6","5","1") = "6"
    & skf18("4","2","7","3","6","6","1") = "6"
    & skf18("4","2","7","3","6","7","1") = "6"
    & skf18("4","2","7","3","6","8","1") = "7"
    & skf18("4","2","7","3","6","9","1") = "8"
    & skf18("4","2","7","3","6","10","1") = "9"
    & skf18("4","2","7","3","7","1","1") = "6"
    & skf18("4","2","7","3","7","2","1") = "6"
    & skf18("4","2","7","3","7","3","1") = "6"
    & skf18("4","2","7","3","7","4","1") = "6"
    & skf18("4","2","7","3","7","5","1") = "6"
    & skf18("4","2","7","3","7","6","1") = "6"
    & skf18("4","2","7","3","7","7","1") = "6"
    & skf18("4","2","7","3","7","8","1") = "7"
    & skf18("4","2","7","3","7","9","1") = "8"
    & skf18("4","2","7","3","7","10","1") = "9"
    & skf18("4","2","7","3","8","1","1") = "7"
    & skf18("4","2","7","3","8","2","1") = "7"
    & skf18("4","2","7","3","8","3","1") = "7"
    & skf18("4","2","7","3","8","4","1") = "7"
    & skf18("4","2","7","3","8","5","1") = "7"
    & skf18("4","2","7","3","8","6","1") = "7"
    & skf18("4","2","7","3","8","7","1") = "7"
    & skf18("4","2","7","3","8","8","1") = "7"
    & skf18("4","2","7","3","8","9","1") = "8"
    & skf18("4","2","7","3","8","10","1") = "9"
    & skf18("4","2","7","3","9","1","1") = "8"
    & skf18("4","2","7","3","9","2","1") = "8"
    & skf18("4","2","7","3","9","3","1") = "8"
    & skf18("4","2","7","3","9","4","1") = "8"
    & skf18("4","2","7","3","9","5","1") = "8"
    & skf18("4","2","7","3","9","6","1") = "8"
    & skf18("4","2","7","3","9","7","1") = "8"
    & skf18("4","2","7","3","9","8","1") = "8"
    & skf18("4","2","7","3","9","9","1") = "8"
    & skf18("4","2","7","3","9","10","1") = "9"
    & skf18("4","2","7","3","10","1","1") = "9"
    & skf18("4","2","7","3","10","2","1") = "9"
    & skf18("4","2","7","3","10","3","1") = "9"
    & skf18("4","2","7","3","10","4","1") = "9"
    & skf18("4","2","7","3","10","5","1") = "9"
    & skf18("4","2","7","3","10","6","1") = "9"
    & skf18("4","2","7","3","10","7","1") = "9"
    & skf18("4","2","7","3","10","8","1") = "9"
    & skf18("4","2","7","3","10","9","1") = "9"
    & skf18("4","2","7","3","10","10","1") = "9"
    & skf18("4","2","7","4","1","1","1") = "6"
    & skf18("4","2","7","4","1","2","1") = "6"
    & skf18("4","2","7","4","1","3","1") = "6"
    & skf18("4","2","7","4","1","4","1") = "6"
    & skf18("4","2","7","4","1","5","1") = "6"
    & skf18("4","2","7","4","1","6","1") = "6"
    & skf18("4","2","7","4","1","7","1") = "6"
    & skf18("4","2","7","4","1","8","1") = "7"
    & skf18("4","2","7","4","1","9","1") = "8"
    & skf18("4","2","7","4","1","10","1") = "9"
    & skf18("4","2","7","4","2","1","1") = "6"
    & skf18("4","2","7","4","2","2","1") = "6"
    & skf18("4","2","7","4","2","3","1") = "6"
    & skf18("4","2","7","4","2","4","1") = "6"
    & skf18("4","2","7","4","2","5","1") = "6"
    & skf18("4","2","7","4","2","6","1") = "6"
    & skf18("4","2","7","4","2","7","1") = "6"
    & skf18("4","2","7","4","2","8","1") = "7"
    & skf18("4","2","7","4","2","9","1") = "8"
    & skf18("4","2","7","4","2","10","1") = "9"
    & skf18("4","2","7","4","3","1","1") = "6"
    & skf18("4","2","7","4","3","2","1") = "6"
    & skf18("4","2","7","4","3","3","1") = "6"
    & skf18("4","2","7","4","3","4","1") = "6"
    & skf18("4","2","7","4","3","5","1") = "6"
    & skf18("4","2","7","4","3","6","1") = "6"
    & skf18("4","2","7","4","3","7","1") = "6"
    & skf18("4","2","7","4","3","8","1") = "7"
    & skf18("4","2","7","4","3","9","1") = "8"
    & skf18("4","2","7","4","3","10","1") = "9"
    & skf18("4","2","7","4","4","1","1") = "6"
    & skf18("4","2","7","4","4","2","1") = "6"
    & skf18("4","2","7","4","4","3","1") = "6"
    & skf18("4","2","7","4","4","4","1") = "6"
    & skf18("4","2","7","4","4","5","1") = "6"
    & skf18("4","2","7","4","4","6","1") = "6"
    & skf18("4","2","7","4","4","7","1") = "6"
    & skf18("4","2","7","4","4","8","1") = "7"
    & skf18("4","2","7","4","4","9","1") = "8"
    & skf18("4","2","7","4","4","10","1") = "9"
    & skf18("4","2","7","4","5","1","1") = "6"
    & skf18("4","2","7","4","5","2","1") = "6"
    & skf18("4","2","7","4","5","3","1") = "6"
    & skf18("4","2","7","4","5","4","1") = "6"
    & skf18("4","2","7","4","5","5","1") = "6"
    & skf18("4","2","7","4","5","6","1") = "6"
    & skf18("4","2","7","4","5","7","1") = "6"
    & skf18("4","2","7","4","5","8","1") = "7"
    & skf18("4","2","7","4","5","9","1") = "8"
    & skf18("4","2","7","4","5","10","1") = "9"
    & skf18("4","2","7","4","6","1","1") = "6"
    & skf18("4","2","7","4","6","2","1") = "6"
    & skf18("4","2","7","4","6","3","1") = "6"
    & skf18("4","2","7","4","6","4","1") = "6"
    & skf18("4","2","7","4","6","5","1") = "6"
    & skf18("4","2","7","4","6","6","1") = "6"
    & skf18("4","2","7","4","6","7","1") = "6"
    & skf18("4","2","7","4","6","8","1") = "7"
    & skf18("4","2","7","4","6","9","1") = "8"
    & skf18("4","2","7","4","6","10","1") = "9"
    & skf18("4","2","7","4","7","1","1") = "6"
    & skf18("4","2","7","4","7","2","1") = "6"
    & skf18("4","2","7","4","7","3","1") = "6"
    & skf18("4","2","7","4","7","4","1") = "6"
    & skf18("4","2","7","4","7","5","1") = "6"
    & skf18("4","2","7","4","7","6","1") = "6"
    & skf18("4","2","7","4","7","7","1") = "6"
    & skf18("4","2","7","4","7","8","1") = "7"
    & skf18("4","2","7","4","7","9","1") = "8"
    & skf18("4","2","7","4","7","10","1") = "9"
    & skf18("4","2","7","4","8","1","1") = "7"
    & skf18("4","2","7","4","8","2","1") = "7"
    & skf18("4","2","7","4","8","3","1") = "7"
    & skf18("4","2","7","4","8","4","1") = "7"
    & skf18("4","2","7","4","8","5","1") = "7"
    & skf18("4","2","7","4","8","6","1") = "7"
    & skf18("4","2","7","4","8","7","1") = "7"
    & skf18("4","2","7","4","8","8","1") = "7"
    & skf18("4","2","7","4","8","9","1") = "8"
    & skf18("4","2","7","4","8","10","1") = "9"
    & skf18("4","2","7","4","9","1","1") = "8"
    & skf18("4","2","7","4","9","2","1") = "8"
    & skf18("4","2","7","4","9","3","1") = "8"
    & skf18("4","2","7","4","9","4","1") = "8"
    & skf18("4","2","7","4","9","5","1") = "8"
    & skf18("4","2","7","4","9","6","1") = "8"
    & skf18("4","2","7","4","9","7","1") = "8"
    & skf18("4","2","7","4","9","8","1") = "8"
    & skf18("4","2","7","4","9","9","1") = "8"
    & skf18("4","2","7","4","9","10","1") = "9"
    & skf18("4","2","7","4","10","1","1") = "9"
    & skf18("4","2","7","4","10","2","1") = "9"
    & skf18("4","2","7","4","10","3","1") = "9"
    & skf18("4","2","7","4","10","4","1") = "9"
    & skf18("4","2","7","4","10","5","1") = "9"
    & skf18("4","2","7","4","10","6","1") = "9"
    & skf18("4","2","7","4","10","7","1") = "9"
    & skf18("4","2","7","4","10","8","1") = "9"
    & skf18("4","2","7","4","10","9","1") = "9"
    & skf18("4","2","7","4","10","10","1") = "9"
    & skf18("4","2","7","5","1","1","1") = "6"
    & skf18("4","2","7","5","1","2","1") = "6"
    & skf18("4","2","7","5","1","3","1") = "6"
    & skf18("4","2","7","5","1","4","1") = "6"
    & skf18("4","2","7","5","1","5","1") = "6"
    & skf18("4","2","7","5","1","6","1") = "6"
    & skf18("4","2","7","5","1","7","1") = "6"
    & skf18("4","2","7","5","1","8","1") = "7"
    & skf18("4","2","7","5","1","9","1") = "8"
    & skf18("4","2","7","5","1","10","1") = "9"
    & skf18("4","2","7","5","2","1","1") = "6"
    & skf18("4","2","7","5","2","2","1") = "6"
    & skf18("4","2","7","5","2","3","1") = "6"
    & skf18("4","2","7","5","2","4","1") = "6"
    & skf18("4","2","7","5","2","5","1") = "6"
    & skf18("4","2","7","5","2","6","1") = "6"
    & skf18("4","2","7","5","2","7","1") = "6"
    & skf18("4","2","7","5","2","8","1") = "7"
    & skf18("4","2","7","5","2","9","1") = "8"
    & skf18("4","2","7","5","2","10","1") = "9"
    & skf18("4","2","7","5","3","1","1") = "6"
    & skf18("4","2","7","5","3","2","1") = "6"
    & skf18("4","2","7","5","3","3","1") = "6"
    & skf18("4","2","7","5","3","4","1") = "6"
    & skf18("4","2","7","5","3","5","1") = "6"
    & skf18("4","2","7","5","3","6","1") = "6"
    & skf18("4","2","7","5","3","7","1") = "6"
    & skf18("4","2","7","5","3","8","1") = "7"
    & skf18("4","2","7","5","3","9","1") = "8"
    & skf18("4","2","7","5","3","10","1") = "9"
    & skf18("4","2","7","5","4","1","1") = "6"
    & skf18("4","2","7","5","4","2","1") = "6"
    & skf18("4","2","7","5","4","3","1") = "6"
    & skf18("4","2","7","5","4","4","1") = "6"
    & skf18("4","2","7","5","4","5","1") = "6"
    & skf18("4","2","7","5","4","6","1") = "6"
    & skf18("4","2","7","5","4","7","1") = "6"
    & skf18("4","2","7","5","4","8","1") = "7"
    & skf18("4","2","7","5","4","9","1") = "8"
    & skf18("4","2","7","5","4","10","1") = "9"
    & skf18("4","2","7","5","5","1","1") = "6"
    & skf18("4","2","7","5","5","2","1") = "6"
    & skf18("4","2","7","5","5","3","1") = "6"
    & skf18("4","2","7","5","5","4","1") = "6"
    & skf18("4","2","7","5","5","5","1") = "6"
    & skf18("4","2","7","5","5","6","1") = "6"
    & skf18("4","2","7","5","5","7","1") = "6"
    & skf18("4","2","7","5","5","8","1") = "7"
    & skf18("4","2","7","5","5","9","1") = "8"
    & skf18("4","2","7","5","5","10","1") = "9"
    & skf18("4","2","7","5","6","1","1") = "6"
    & skf18("4","2","7","5","6","2","1") = "6"
    & skf18("4","2","7","5","6","3","1") = "6"
    & skf18("4","2","7","5","6","4","1") = "6"
    & skf18("4","2","7","5","6","5","1") = "6"
    & skf18("4","2","7","5","6","6","1") = "6"
    & skf18("4","2","7","5","6","7","1") = "6"
    & skf18("4","2","7","5","6","8","1") = "7"
    & skf18("4","2","7","5","6","9","1") = "8"
    & skf18("4","2","7","5","6","10","1") = "9"
    & skf18("4","2","7","5","7","1","1") = "6"
    & skf18("4","2","7","5","7","2","1") = "6"
    & skf18("4","2","7","5","7","3","1") = "6"
    & skf18("4","2","7","5","7","4","1") = "6"
    & skf18("4","2","7","5","7","5","1") = "6"
    & skf18("4","2","7","5","7","6","1") = "6"
    & skf18("4","2","7","5","7","7","1") = "6"
    & skf18("4","2","7","5","7","8","1") = "7"
    & skf18("4","2","7","5","7","9","1") = "8"
    & skf18("4","2","7","5","7","10","1") = "9"
    & skf18("4","2","7","5","8","1","1") = "7"
    & skf18("4","2","7","5","8","2","1") = "7"
    & skf18("4","2","7","5","8","3","1") = "7"
    & skf18("4","2","7","5","8","4","1") = "7"
    & skf18("4","2","7","5","8","5","1") = "7"
    & skf18("4","2","7","5","8","6","1") = "7"
    & skf18("4","2","7","5","8","7","1") = "7"
    & skf18("4","2","7","5","8","8","1") = "7"
    & skf18("4","2","7","5","8","9","1") = "8"
    & skf18("4","2","7","5","8","10","1") = "9"
    & skf18("4","2","7","5","9","1","1") = "8"
    & skf18("4","2","7","5","9","2","1") = "8"
    & skf18("4","2","7","5","9","3","1") = "8"
    & skf18("4","2","7","5","9","4","1") = "8"
    & skf18("4","2","7","5","9","5","1") = "8"
    & skf18("4","2","7","5","9","6","1") = "8"
    & skf18("4","2","7","5","9","7","1") = "8"
    & skf18("4","2","7","5","9","8","1") = "8"
    & skf18("4","2","7","5","9","9","1") = "8"
    & skf18("4","2","7","5","9","10","1") = "9"
    & skf18("4","2","7","5","10","1","1") = "9"
    & skf18("4","2","7","5","10","2","1") = "9"
    & skf18("4","2","7","5","10","3","1") = "9"
    & skf18("4","2","7","5","10","4","1") = "9"
    & skf18("4","2","7","5","10","5","1") = "9"
    & skf18("4","2","7","5","10","6","1") = "9"
    & skf18("4","2","7","5","10","7","1") = "9"
    & skf18("4","2","7","5","10","8","1") = "9"
    & skf18("4","2","7","5","10","9","1") = "9"
    & skf18("4","2","7","5","10","10","1") = "9"
    & skf18("4","2","7","6","1","1","1") = "6"
    & skf18("4","2","7","6","1","2","1") = "6"
    & skf18("4","2","7","6","1","3","1") = "6"
    & skf18("4","2","7","6","1","4","1") = "6"
    & skf18("4","2","7","6","1","5","1") = "6"
    & skf18("4","2","7","6","1","6","1") = "6"
    & skf18("4","2","7","6","1","7","1") = "6"
    & skf18("4","2","7","6","1","8","1") = "7"
    & skf18("4","2","7","6","1","9","1") = "8"
    & skf18("4","2","7","6","1","10","1") = "9"
    & skf18("4","2","7","6","2","1","1") = "6"
    & skf18("4","2","7","6","2","2","1") = "6"
    & skf18("4","2","7","6","2","3","1") = "6"
    & skf18("4","2","7","6","2","4","1") = "6"
    & skf18("4","2","7","6","2","5","1") = "6"
    & skf18("4","2","7","6","2","6","1") = "6"
    & skf18("4","2","7","6","2","7","1") = "6"
    & skf18("4","2","7","6","2","8","1") = "7"
    & skf18("4","2","7","6","2","9","1") = "8"
    & skf18("4","2","7","6","2","10","1") = "9"
    & skf18("4","2","7","6","3","1","1") = "6"
    & skf18("4","2","7","6","3","2","1") = "6"
    & skf18("4","2","7","6","3","3","1") = "6"
    & skf18("4","2","7","6","3","4","1") = "6"
    & skf18("4","2","7","6","3","5","1") = "6"
    & skf18("4","2","7","6","3","6","1") = "6"
    & skf18("4","2","7","6","3","7","1") = "6"
    & skf18("4","2","7","6","3","8","1") = "7"
    & skf18("4","2","7","6","3","9","1") = "8"
    & skf18("4","2","7","6","3","10","1") = "9"
    & skf18("4","2","7","6","4","1","1") = "6"
    & skf18("4","2","7","6","4","2","1") = "6"
    & skf18("4","2","7","6","4","3","1") = "6"
    & skf18("4","2","7","6","4","4","1") = "6"
    & skf18("4","2","7","6","4","5","1") = "6"
    & skf18("4","2","7","6","4","6","1") = "6"
    & skf18("4","2","7","6","4","7","1") = "6"
    & skf18("4","2","7","6","4","8","1") = "7"
    & skf18("4","2","7","6","4","9","1") = "8"
    & skf18("4","2","7","6","4","10","1") = "9"
    & skf18("4","2","7","6","5","1","1") = "6"
    & skf18("4","2","7","6","5","2","1") = "6"
    & skf18("4","2","7","6","5","3","1") = "6"
    & skf18("4","2","7","6","5","4","1") = "6"
    & skf18("4","2","7","6","5","5","1") = "6"
    & skf18("4","2","7","6","5","6","1") = "6"
    & skf18("4","2","7","6","5","7","1") = "6"
    & skf18("4","2","7","6","5","8","1") = "7"
    & skf18("4","2","7","6","5","9","1") = "8"
    & skf18("4","2","7","6","5","10","1") = "9"
    & skf18("4","2","7","6","6","1","1") = "6"
    & skf18("4","2","7","6","6","2","1") = "6"
    & skf18("4","2","7","6","6","3","1") = "6"
    & skf18("4","2","7","6","6","4","1") = "6"
    & skf18("4","2","7","6","6","5","1") = "6"
    & skf18("4","2","7","6","6","6","1") = "6"
    & skf18("4","2","7","6","6","7","1") = "6"
    & skf18("4","2","7","6","6","8","1") = "7"
    & skf18("4","2","7","6","6","9","1") = "8"
    & skf18("4","2","7","6","6","10","1") = "9"
    & skf18("4","2","7","6","7","1","1") = "6"
    & skf18("4","2","7","6","7","2","1") = "6"
    & skf18("4","2","7","6","7","3","1") = "6"
    & skf18("4","2","7","6","7","4","1") = "6"
    & skf18("4","2","7","6","7","5","1") = "6"
    & skf18("4","2","7","6","7","6","1") = "6"
    & skf18("4","2","7","6","7","7","1") = "6"
    & skf18("4","2","7","6","7","8","1") = "7"
    & skf18("4","2","7","6","7","9","1") = "8"
    & skf18("4","2","7","6","7","10","1") = "9"
    & skf18("4","2","7","6","8","1","1") = "7"
    & skf18("4","2","7","6","8","2","1") = "7"
    & skf18("4","2","7","6","8","3","1") = "7"
    & skf18("4","2","7","6","8","4","1") = "7"
    & skf18("4","2","7","6","8","5","1") = "7"
    & skf18("4","2","7","6","8","6","1") = "7"
    & skf18("4","2","7","6","8","7","1") = "7"
    & skf18("4","2","7","6","8","8","1") = "7"
    & skf18("4","2","7","6","8","9","1") = "8"
    & skf18("4","2","7","6","8","10","1") = "9"
    & skf18("4","2","7","6","9","1","1") = "8"
    & skf18("4","2","7","6","9","2","1") = "8"
    & skf18("4","2","7","6","9","3","1") = "8"
    & skf18("4","2","7","6","9","4","1") = "8"
    & skf18("4","2","7","6","9","5","1") = "8"
    & skf18("4","2","7","6","9","6","1") = "8"
    & skf18("4","2","7","6","9","7","1") = "8"
    & skf18("4","2","7","6","9","8","1") = "8"
    & skf18("4","2","7","6","9","9","1") = "8"
    & skf18("4","2","7","6","9","10","1") = "9"
    & skf18("4","2","7","6","10","1","1") = "9"
    & skf18("4","2","7","6","10","2","1") = "9"
    & skf18("4","2","7","6","10","3","1") = "9"
    & skf18("4","2","7","6","10","4","1") = "9"
    & skf18("4","2","7","6","10","5","1") = "9"
    & skf18("4","2","7","6","10","6","1") = "9"
    & skf18("4","2","7","6","10","7","1") = "9"
    & skf18("4","2","7","6","10","8","1") = "9"
    & skf18("4","2","7","6","10","9","1") = "9"
    & skf18("4","2","7","6","10","10","1") = "9"
    & skf18("4","2","7","7","1","1","1") = "6"
    & skf18("4","2","7","7","1","2","1") = "6"
    & skf18("4","2","7","7","1","3","1") = "6"
    & skf18("4","2","7","7","1","4","1") = "6"
    & skf18("4","2","7","7","1","5","1") = "6"
    & skf18("4","2","7","7","1","6","1") = "6"
    & skf18("4","2","7","7","1","7","1") = "6"
    & skf18("4","2","7","7","1","8","1") = "7"
    & skf18("4","2","7","7","1","9","1") = "8"
    & skf18("4","2","7","7","1","10","1") = "9"
    & skf18("4","2","7","7","2","1","1") = "6"
    & skf18("4","2","7","7","2","2","1") = "6"
    & skf18("4","2","7","7","2","3","1") = "6"
    & skf18("4","2","7","7","2","4","1") = "6"
    & skf18("4","2","7","7","2","5","1") = "6"
    & skf18("4","2","7","7","2","6","1") = "6"
    & skf18("4","2","7","7","2","7","1") = "6"
    & skf18("4","2","7","7","2","8","1") = "7"
    & skf18("4","2","7","7","2","9","1") = "8"
    & skf18("4","2","7","7","2","10","1") = "9"
    & skf18("4","2","7","7","3","1","1") = "6"
    & skf18("4","2","7","7","3","2","1") = "6"
    & skf18("4","2","7","7","3","3","1") = "6"
    & skf18("4","2","7","7","3","4","1") = "6"
    & skf18("4","2","7","7","3","5","1") = "6"
    & skf18("4","2","7","7","3","6","1") = "6"
    & skf18("4","2","7","7","3","7","1") = "6"
    & skf18("4","2","7","7","3","8","1") = "7"
    & skf18("4","2","7","7","3","9","1") = "8"
    & skf18("4","2","7","7","3","10","1") = "9"
    & skf18("4","2","7","7","4","1","1") = "6"
    & skf18("4","2","7","7","4","2","1") = "6"
    & skf18("4","2","7","7","4","3","1") = "6"
    & skf18("4","2","7","7","4","4","1") = "6"
    & skf18("4","2","7","7","4","5","1") = "6"
    & skf18("4","2","7","7","4","6","1") = "6"
    & skf18("4","2","7","7","4","7","1") = "6"
    & skf18("4","2","7","7","4","8","1") = "7"
    & skf18("4","2","7","7","4","9","1") = "8"
    & skf18("4","2","7","7","4","10","1") = "9"
    & skf18("4","2","7","7","5","1","1") = "6"
    & skf18("4","2","7","7","5","2","1") = "6"
    & skf18("4","2","7","7","5","3","1") = "6"
    & skf18("4","2","7","7","5","4","1") = "6"
    & skf18("4","2","7","7","5","5","1") = "6"
    & skf18("4","2","7","7","5","6","1") = "6"
    & skf18("4","2","7","7","5","7","1") = "6"
    & skf18("4","2","7","7","5","8","1") = "7"
    & skf18("4","2","7","7","5","9","1") = "8"
    & skf18("4","2","7","7","5","10","1") = "9"
    & skf18("4","2","7","7","6","1","1") = "6"
    & skf18("4","2","7","7","6","2","1") = "6"
    & skf18("4","2","7","7","6","3","1") = "6"
    & skf18("4","2","7","7","6","4","1") = "6"
    & skf18("4","2","7","7","6","5","1") = "6"
    & skf18("4","2","7","7","6","6","1") = "6"
    & skf18("4","2","7","7","6","7","1") = "6"
    & skf18("4","2","7","7","6","8","1") = "7"
    & skf18("4","2","7","7","6","9","1") = "8"
    & skf18("4","2","7","7","6","10","1") = "9"
    & skf18("4","2","7","7","7","1","1") = "6"
    & skf18("4","2","7","7","7","2","1") = "6"
    & skf18("4","2","7","7","7","3","1") = "6"
    & skf18("4","2","7","7","7","4","1") = "6"
    & skf18("4","2","7","7","7","5","1") = "6"
    & skf18("4","2","7","7","7","6","1") = "6"
    & skf18("4","2","7","7","7","7","1") = "6"
    & skf18("4","2","7","7","7","8","1") = "7"
    & skf18("4","2","7","7","7","9","1") = "8"
    & skf18("4","2","7","7","7","10","1") = "9"
    & skf18("4","2","7","7","8","1","1") = "7"
    & skf18("4","2","7","7","8","2","1") = "7"
    & skf18("4","2","7","7","8","3","1") = "7"
    & skf18("4","2","7","7","8","4","1") = "7"
    & skf18("4","2","7","7","8","5","1") = "7"
    & skf18("4","2","7","7","8","6","1") = "7"
    & skf18("4","2","7","7","8","7","1") = "7"
    & skf18("4","2","7","7","8","8","1") = "7"
    & skf18("4","2","7","7","8","9","1") = "8"
    & skf18("4","2","7","7","8","10","1") = "9"
    & skf18("4","2","7","7","9","1","1") = "8"
    & skf18("4","2","7","7","9","2","1") = "8"
    & skf18("4","2","7","7","9","3","1") = "8"
    & skf18("4","2","7","7","9","4","1") = "8"
    & skf18("4","2","7","7","9","5","1") = "8"
    & skf18("4","2","7","7","9","6","1") = "8"
    & skf18("4","2","7","7","9","7","1") = "8"
    & skf18("4","2","7","7","9","8","1") = "8"
    & skf18("4","2","7","7","9","9","1") = "8"
    & skf18("4","2","7","7","9","10","1") = "9"
    & skf18("4","2","7","7","10","1","1") = "9"
    & skf18("4","2","7","7","10","2","1") = "9"
    & skf18("4","2","7","7","10","3","1") = "9"
    & skf18("4","2","7","7","10","4","1") = "9"
    & skf18("4","2","7","7","10","5","1") = "9"
    & skf18("4","2","7","7","10","6","1") = "9"
    & skf18("4","2","7","7","10","7","1") = "9"
    & skf18("4","2","7","7","10","8","1") = "9"
    & skf18("4","2","7","7","10","9","1") = "9"
    & skf18("4","2","7","7","10","10","1") = "9"
    & skf18("4","2","7","8","1","1","1") = "7"
    & skf18("4","2","7","8","1","2","1") = "7"
    & skf18("4","2","7","8","1","3","1") = "7"
    & skf18("4","2","7","8","1","4","1") = "7"
    & skf18("4","2","7","8","1","5","1") = "7"
    & skf18("4","2","7","8","1","6","1") = "7"
    & skf18("4","2","7","8","1","7","1") = "7"
    & skf18("4","2","7","8","1","8","1") = "7"
    & skf18("4","2","7","8","1","9","1") = "8"
    & skf18("4","2","7","8","1","10","1") = "9"
    & skf18("4","2","7","8","2","1","1") = "7"
    & skf18("4","2","7","8","2","2","1") = "7"
    & skf18("4","2","7","8","2","3","1") = "7"
    & skf18("4","2","7","8","2","4","1") = "7"
    & skf18("4","2","7","8","2","5","1") = "7"
    & skf18("4","2","7","8","2","6","1") = "7"
    & skf18("4","2","7","8","2","7","1") = "7"
    & skf18("4","2","7","8","2","8","1") = "7"
    & skf18("4","2","7","8","2","9","1") = "8"
    & skf18("4","2","7","8","2","10","1") = "9"
    & skf18("4","2","7","8","3","1","1") = "7"
    & skf18("4","2","7","8","3","2","1") = "7"
    & skf18("4","2","7","8","3","3","1") = "7"
    & skf18("4","2","7","8","3","4","1") = "7"
    & skf18("4","2","7","8","3","5","1") = "7"
    & skf18("4","2","7","8","3","6","1") = "7"
    & skf18("4","2","7","8","3","7","1") = "7"
    & skf18("4","2","7","8","3","8","1") = "7"
    & skf18("4","2","7","8","3","9","1") = "8"
    & skf18("4","2","7","8","3","10","1") = "9"
    & skf18("4","2","7","8","4","1","1") = "7"
    & skf18("4","2","7","8","4","2","1") = "7"
    & skf18("4","2","7","8","4","3","1") = "7"
    & skf18("4","2","7","8","4","4","1") = "7"
    & skf18("4","2","7","8","4","5","1") = "7"
    & skf18("4","2","7","8","4","6","1") = "7"
    & skf18("4","2","7","8","4","7","1") = "7"
    & skf18("4","2","7","8","4","8","1") = "7"
    & skf18("4","2","7","8","4","9","1") = "8"
    & skf18("4","2","7","8","4","10","1") = "9"
    & skf18("4","2","7","8","5","1","1") = "7"
    & skf18("4","2","7","8","5","2","1") = "7"
    & skf18("4","2","7","8","5","3","1") = "7"
    & skf18("4","2","7","8","5","4","1") = "7"
    & skf18("4","2","7","8","5","5","1") = "7"
    & skf18("4","2","7","8","5","6","1") = "7"
    & skf18("4","2","7","8","5","7","1") = "7"
    & skf18("4","2","7","8","5","8","1") = "7"
    & skf18("4","2","7","8","5","9","1") = "8"
    & skf18("4","2","7","8","5","10","1") = "9"
    & skf18("4","2","7","8","6","1","1") = "7"
    & skf18("4","2","7","8","6","2","1") = "7"
    & skf18("4","2","7","8","6","3","1") = "7"
    & skf18("4","2","7","8","6","4","1") = "7"
    & skf18("4","2","7","8","6","5","1") = "7"
    & skf18("4","2","7","8","6","6","1") = "7"
    & skf18("4","2","7","8","6","7","1") = "7"
    & skf18("4","2","7","8","6","8","1") = "7"
    & skf18("4","2","7","8","6","9","1") = "8"
    & skf18("4","2","7","8","6","10","1") = "9"
    & skf18("4","2","7","8","7","1","1") = "7"
    & skf18("4","2","7","8","7","2","1") = "7"
    & skf18("4","2","7","8","7","3","1") = "7"
    & skf18("4","2","7","8","7","4","1") = "7"
    & skf18("4","2","7","8","7","5","1") = "7"
    & skf18("4","2","7","8","7","6","1") = "7"
    & skf18("4","2","7","8","7","7","1") = "7"
    & skf18("4","2","7","8","7","8","1") = "7"
    & skf18("4","2","7","8","7","9","1") = "8"
    & skf18("4","2","7","8","7","10","1") = "9"
    & skf18("4","2","7","8","8","1","1") = "7"
    & skf18("4","2","7","8","8","2","1") = "7"
    & skf18("4","2","7","8","8","3","1") = "7"
    & skf18("4","2","7","8","8","4","1") = "7"
    & skf18("4","2","7","8","8","5","1") = "7"
    & skf18("4","2","7","8","8","6","1") = "7"
    & skf18("4","2","7","8","8","7","1") = "7"
    & skf18("4","2","7","8","8","8","1") = "7"
    & skf18("4","2","7","8","8","9","1") = "8"
    & skf18("4","2","7","8","8","10","1") = "9"
    & skf18("4","2","7","8","9","1","1") = "8"
    & skf18("4","2","7","8","9","2","1") = "8"
    & skf18("4","2","7","8","9","3","1") = "8"
    & skf18("4","2","7","8","9","4","1") = "8"
    & skf18("4","2","7","8","9","5","1") = "8"
    & skf18("4","2","7","8","9","6","1") = "8"
    & skf18("4","2","7","8","9","7","1") = "8"
    & skf18("4","2","7","8","9","8","1") = "8"
    & skf18("4","2","7","8","9","9","1") = "8"
    & skf18("4","2","7","8","9","10","1") = "9"
    & skf18("4","2","7","8","10","1","1") = "9"
    & skf18("4","2","7","8","10","2","1") = "9"
    & skf18("4","2","7","8","10","3","1") = "9"
    & skf18("4","2","7","8","10","4","1") = "9"
    & skf18("4","2","7","8","10","5","1") = "9"
    & skf18("4","2","7","8","10","6","1") = "9"
    & skf18("4","2","7","8","10","7","1") = "9"
    & skf18("4","2","7","8","10","8","1") = "9"
    & skf18("4","2","7","8","10","9","1") = "9"
    & skf18("4","2","7","8","10","10","1") = "9"
    & skf18("4","2","7","9","1","1","1") = "8"
    & skf18("4","2","7","9","1","2","1") = "8"
    & skf18("4","2","7","9","1","3","1") = "8"
    & skf18("4","2","7","9","1","4","1") = "8"
    & skf18("4","2","7","9","1","5","1") = "8"
    & skf18("4","2","7","9","1","6","1") = "8"
    & skf18("4","2","7","9","1","7","1") = "8"
    & skf18("4","2","7","9","1","8","1") = "8"
    & skf18("4","2","7","9","1","9","1") = "8"
    & skf18("4","2","7","9","1","10","1") = "9"
    & skf18("4","2","7","9","2","1","1") = "8"
    & skf18("4","2","7","9","2","2","1") = "8"
    & skf18("4","2","7","9","2","3","1") = "8"
    & skf18("4","2","7","9","2","4","1") = "8"
    & skf18("4","2","7","9","2","5","1") = "8"
    & skf18("4","2","7","9","2","6","1") = "8"
    & skf18("4","2","7","9","2","7","1") = "8"
    & skf18("4","2","7","9","2","8","1") = "8"
    & skf18("4","2","7","9","2","9","1") = "8"
    & skf18("4","2","7","9","2","10","1") = "9"
    & skf18("4","2","7","9","3","1","1") = "8"
    & skf18("4","2","7","9","3","2","1") = "8"
    & skf18("4","2","7","9","3","3","1") = "8"
    & skf18("4","2","7","9","3","4","1") = "8"
    & skf18("4","2","7","9","3","5","1") = "8"
    & skf18("4","2","7","9","3","6","1") = "8"
    & skf18("4","2","7","9","3","7","1") = "8"
    & skf18("4","2","7","9","3","8","1") = "8"
    & skf18("4","2","7","9","3","9","1") = "8"
    & skf18("4","2","7","9","3","10","1") = "9"
    & skf18("4","2","7","9","4","1","1") = "8"
    & skf18("4","2","7","9","4","2","1") = "8"
    & skf18("4","2","7","9","4","3","1") = "8"
    & skf18("4","2","7","9","4","4","1") = "8"
    & skf18("4","2","7","9","4","5","1") = "8"
    & skf18("4","2","7","9","4","6","1") = "8"
    & skf18("4","2","7","9","4","7","1") = "8"
    & skf18("4","2","7","9","4","8","1") = "8"
    & skf18("4","2","7","9","4","9","1") = "8"
    & skf18("4","2","7","9","4","10","1") = "9"
    & skf18("4","2","7","9","5","1","1") = "8"
    & skf18("4","2","7","9","5","2","1") = "8"
    & skf18("4","2","7","9","5","3","1") = "8"
    & skf18("4","2","7","9","5","4","1") = "8"
    & skf18("4","2","7","9","5","5","1") = "8"
    & skf18("4","2","7","9","5","6","1") = "8"
    & skf18("4","2","7","9","5","7","1") = "8"
    & skf18("4","2","7","9","5","8","1") = "8"
    & skf18("4","2","7","9","5","9","1") = "8"
    & skf18("4","2","7","9","5","10","1") = "9"
    & skf18("4","2","7","9","6","1","1") = "8"
    & skf18("4","2","7","9","6","2","1") = "8"
    & skf18("4","2","7","9","6","3","1") = "8"
    & skf18("4","2","7","9","6","4","1") = "8"
    & skf18("4","2","7","9","6","5","1") = "8"
    & skf18("4","2","7","9","6","6","1") = "8"
    & skf18("4","2","7","9","6","7","1") = "8"
    & skf18("4","2","7","9","6","8","1") = "8"
    & skf18("4","2","7","9","6","9","1") = "8"
    & skf18("4","2","7","9","6","10","1") = "9"
    & skf18("4","2","7","9","7","1","1") = "8"
    & skf18("4","2","7","9","7","2","1") = "8"
    & skf18("4","2","7","9","7","3","1") = "8"
    & skf18("4","2","7","9","7","4","1") = "8"
    & skf18("4","2","7","9","7","5","1") = "8"
    & skf18("4","2","7","9","7","6","1") = "8"
    & skf18("4","2","7","9","7","7","1") = "8"
    & skf18("4","2","7","9","7","8","1") = "8"
    & skf18("4","2","7","9","7","9","1") = "8"
    & skf18("4","2","7","9","7","10","1") = "9"
    & skf18("4","2","7","9","8","1","1") = "8"
    & skf18("4","2","7","9","8","2","1") = "8"
    & skf18("4","2","7","9","8","3","1") = "8"
    & skf18("4","2","7","9","8","4","1") = "8"
    & skf18("4","2","7","9","8","5","1") = "8"
    & skf18("4","2","7","9","8","6","1") = "8"
    & skf18("4","2","7","9","8","7","1") = "8"
    & skf18("4","2","7","9","8","8","1") = "8"
    & skf18("4","2","7","9","8","9","1") = "8"
    & skf18("4","2","7","9","8","10","1") = "9"
    & skf18("4","2","7","9","9","1","1") = "8"
    & skf18("4","2","7","9","9","2","1") = "8"
    & skf18("4","2","7","9","9","3","1") = "8"
    & skf18("4","2","7","9","9","4","1") = "8"
    & skf18("4","2","7","9","9","5","1") = "8"
    & skf18("4","2","7","9","9","6","1") = "8"
    & skf18("4","2","7","9","9","7","1") = "8"
    & skf18("4","2","7","9","9","8","1") = "8"
    & skf18("4","2","7","9","9","9","1") = "8"
    & skf18("4","2","7","9","9","10","1") = "9"
    & skf18("4","2","7","9","10","1","1") = "9"
    & skf18("4","2","7","9","10","2","1") = "9"
    & skf18("4","2","7","9","10","3","1") = "9"
    & skf18("4","2","7","9","10","4","1") = "9"
    & skf18("4","2","7","9","10","5","1") = "9"
    & skf18("4","2","7","9","10","6","1") = "9"
    & skf18("4","2","7","9","10","7","1") = "9"
    & skf18("4","2","7","9","10","8","1") = "9"
    & skf18("4","2","7","9","10","9","1") = "9"
    & skf18("4","2","7","9","10","10","1") = "9"
    & skf18("4","2","7","10","1","1","1") = "9"
    & skf18("4","2","7","10","1","2","1") = "9"
    & skf18("4","2","7","10","1","3","1") = "9"
    & skf18("4","2","7","10","1","4","1") = "9"
    & skf18("4","2","7","10","1","5","1") = "9"
    & skf18("4","2","7","10","1","6","1") = "9"
    & skf18("4","2","7","10","1","7","1") = "9"
    & skf18("4","2","7","10","1","8","1") = "9"
    & skf18("4","2","7","10","1","9","1") = "9"
    & skf18("4","2","7","10","1","10","1") = "9"
    & skf18("4","2","7","10","2","1","1") = "9"
    & skf18("4","2","7","10","2","2","1") = "9"
    & skf18("4","2","7","10","2","3","1") = "9"
    & skf18("4","2","7","10","2","4","1") = "9"
    & skf18("4","2","7","10","2","5","1") = "9"
    & skf18("4","2","7","10","2","6","1") = "9"
    & skf18("4","2","7","10","2","7","1") = "9"
    & skf18("4","2","7","10","2","8","1") = "9"
    & skf18("4","2","7","10","2","9","1") = "9"
    & skf18("4","2","7","10","2","10","1") = "9"
    & skf18("4","2","7","10","3","1","1") = "9"
    & skf18("4","2","7","10","3","2","1") = "9"
    & skf18("4","2","7","10","3","3","1") = "9"
    & skf18("4","2","7","10","3","4","1") = "9"
    & skf18("4","2","7","10","3","5","1") = "9"
    & skf18("4","2","7","10","3","6","1") = "9"
    & skf18("4","2","7","10","3","7","1") = "9"
    & skf18("4","2","7","10","3","8","1") = "9"
    & skf18("4","2","7","10","3","9","1") = "9"
    & skf18("4","2","7","10","3","10","1") = "9"
    & skf18("4","2","7","10","4","1","1") = "9"
    & skf18("4","2","7","10","4","2","1") = "9"
    & skf18("4","2","7","10","4","3","1") = "9"
    & skf18("4","2","7","10","4","4","1") = "9"
    & skf18("4","2","7","10","4","5","1") = "9"
    & skf18("4","2","7","10","4","6","1") = "9"
    & skf18("4","2","7","10","4","7","1") = "9"
    & skf18("4","2","7","10","4","8","1") = "9"
    & skf18("4","2","7","10","4","9","1") = "9"
    & skf18("4","2","7","10","4","10","1") = "9"
    & skf18("4","2","7","10","5","1","1") = "9"
    & skf18("4","2","7","10","5","2","1") = "9"
    & skf18("4","2","7","10","5","3","1") = "9"
    & skf18("4","2","7","10","5","4","1") = "9"
    & skf18("4","2","7","10","5","5","1") = "9"
    & skf18("4","2","7","10","5","6","1") = "9"
    & skf18("4","2","7","10","5","7","1") = "9"
    & skf18("4","2","7","10","5","8","1") = "9"
    & skf18("4","2","7","10","5","9","1") = "9"
    & skf18("4","2","7","10","5","10","1") = "9"
    & skf18("4","2","7","10","6","1","1") = "9"
    & skf18("4","2","7","10","6","2","1") = "9"
    & skf18("4","2","7","10","6","3","1") = "9"
    & skf18("4","2","7","10","6","4","1") = "9"
    & skf18("4","2","7","10","6","5","1") = "9"
    & skf18("4","2","7","10","6","6","1") = "9"
    & skf18("4","2","7","10","6","7","1") = "9"
    & skf18("4","2","7","10","6","8","1") = "9"
    & skf18("4","2","7","10","6","9","1") = "9"
    & skf18("4","2","7","10","6","10","1") = "9"
    & skf18("4","2","7","10","7","1","1") = "9"
    & skf18("4","2","7","10","7","2","1") = "9"
    & skf18("4","2","7","10","7","3","1") = "9"
    & skf18("4","2","7","10","7","4","1") = "9"
    & skf18("4","2","7","10","7","5","1") = "9"
    & skf18("4","2","7","10","7","6","1") = "9"
    & skf18("4","2","7","10","7","7","1") = "9"
    & skf18("4","2","7","10","7","8","1") = "9"
    & skf18("4","2","7","10","7","9","1") = "9"
    & skf18("4","2","7","10","7","10","1") = "9"
    & skf18("4","2","7","10","8","1","1") = "9"
    & skf18("4","2","7","10","8","2","1") = "9"
    & skf18("4","2","7","10","8","3","1") = "9"
    & skf18("4","2","7","10","8","4","1") = "9"
    & skf18("4","2","7","10","8","5","1") = "9"
    & skf18("4","2","7","10","8","6","1") = "9"
    & skf18("4","2","7","10","8","7","1") = "9"
    & skf18("4","2","7","10","8","8","1") = "9"
    & skf18("4","2","7","10","8","9","1") = "9"
    & skf18("4","2","7","10","8","10","1") = "9"
    & skf18("4","2","7","10","9","1","1") = "9"
    & skf18("4","2","7","10","9","2","1") = "9"
    & skf18("4","2","7","10","9","3","1") = "9"
    & skf18("4","2","7","10","9","4","1") = "9"
    & skf18("4","2","7","10","9","5","1") = "9"
    & skf18("4","2","7","10","9","6","1") = "9"
    & skf18("4","2","7","10","9","7","1") = "9"
    & skf18("4","2","7","10","9","8","1") = "9"
    & skf18("4","2","7","10","9","9","1") = "9"
    & skf18("4","2","7","10","9","10","1") = "9"
    & skf18("4","2","7","10","10","1","1") = "9"
    & skf18("4","2","7","10","10","2","1") = "9"
    & skf18("4","2","7","10","10","3","1") = "9"
    & skf18("4","2","7","10","10","4","1") = "9"
    & skf18("4","2","7","10","10","5","1") = "9"
    & skf18("4","2","7","10","10","6","1") = "9"
    & skf18("4","2","7","10","10","7","1") = "9"
    & skf18("4","2","7","10","10","8","1") = "9"
    & skf18("4","2","7","10","10","9","1") = "9"
    & skf18("4","2","7","10","10","10","1") = "9"
    & skf18("4","2","8","1","1","1","1") = "7"
    & skf18("4","2","8","1","1","2","1") = "7"
    & skf18("4","2","8","1","1","3","1") = "7"
    & skf18("4","2","8","1","1","4","1") = "7"
    & skf18("4","2","8","1","1","5","1") = "7"
    & skf18("4","2","8","1","1","6","1") = "7"
    & skf18("4","2","8","1","1","7","1") = "7"
    & skf18("4","2","8","1","1","8","1") = "7"
    & skf18("4","2","8","1","1","9","1") = "8"
    & skf18("4","2","8","1","1","10","1") = "9"
    & skf18("4","2","8","1","2","1","1") = "7"
    & skf18("4","2","8","1","2","2","1") = "7"
    & skf18("4","2","8","1","2","3","1") = "7"
    & skf18("4","2","8","1","2","4","1") = "7"
    & skf18("4","2","8","1","2","5","1") = "7"
    & skf18("4","2","8","1","2","6","1") = "7"
    & skf18("4","2","8","1","2","7","1") = "7"
    & skf18("4","2","8","1","2","8","1") = "7"
    & skf18("4","2","8","1","2","9","1") = "8"
    & skf18("4","2","8","1","2","10","1") = "9"
    & skf18("4","2","8","1","3","1","1") = "7"
    & skf18("4","2","8","1","3","2","1") = "7"
    & skf18("4","2","8","1","3","3","1") = "7"
    & skf18("4","2","8","1","3","4","1") = "7"
    & skf18("4","2","8","1","3","5","1") = "7"
    & skf18("4","2","8","1","3","6","1") = "7"
    & skf18("4","2","8","1","3","7","1") = "7"
    & skf18("4","2","8","1","3","8","1") = "7"
    & skf18("4","2","8","1","3","9","1") = "8"
    & skf18("4","2","8","1","3","10","1") = "9"
    & skf18("4","2","8","1","4","1","1") = "7"
    & skf18("4","2","8","1","4","2","1") = "7"
    & skf18("4","2","8","1","4","3","1") = "7"
    & skf18("4","2","8","1","4","4","1") = "7"
    & skf18("4","2","8","1","4","5","1") = "7"
    & skf18("4","2","8","1","4","6","1") = "7"
    & skf18("4","2","8","1","4","7","1") = "7"
    & skf18("4","2","8","1","4","8","1") = "7"
    & skf18("4","2","8","1","4","9","1") = "8"
    & skf18("4","2","8","1","4","10","1") = "9"
    & skf18("4","2","8","1","5","1","1") = "7"
    & skf18("4","2","8","1","5","2","1") = "7"
    & skf18("4","2","8","1","5","3","1") = "7"
    & skf18("4","2","8","1","5","4","1") = "7"
    & skf18("4","2","8","1","5","5","1") = "7"
    & skf18("4","2","8","1","5","6","1") = "7"
    & skf18("4","2","8","1","5","7","1") = "7"
    & skf18("4","2","8","1","5","8","1") = "7"
    & skf18("4","2","8","1","5","9","1") = "8"
    & skf18("4","2","8","1","5","10","1") = "9"
    & skf18("4","2","8","1","6","1","1") = "7"
    & skf18("4","2","8","1","6","2","1") = "7"
    & skf18("4","2","8","1","6","3","1") = "7"
    & skf18("4","2","8","1","6","4","1") = "7"
    & skf18("4","2","8","1","6","5","1") = "7"
    & skf18("4","2","8","1","6","6","1") = "7"
    & skf18("4","2","8","1","6","7","1") = "7"
    & skf18("4","2","8","1","6","8","1") = "7"
    & skf18("4","2","8","1","6","9","1") = "8"
    & skf18("4","2","8","1","6","10","1") = "9"
    & skf18("4","2","8","1","7","1","1") = "7"
    & skf18("4","2","8","1","7","2","1") = "7"
    & skf18("4","2","8","1","7","3","1") = "7"
    & skf18("4","2","8","1","7","4","1") = "7"
    & skf18("4","2","8","1","7","5","1") = "7"
    & skf18("4","2","8","1","7","6","1") = "7"
    & skf18("4","2","8","1","7","7","1") = "7"
    & skf18("4","2","8","1","7","8","1") = "7"
    & skf18("4","2","8","1","7","9","1") = "8"
    & skf18("4","2","8","1","7","10","1") = "9"
    & skf18("4","2","8","1","8","1","1") = "7"
    & skf18("4","2","8","1","8","2","1") = "7"
    & skf18("4","2","8","1","8","3","1") = "7"
    & skf18("4","2","8","1","8","4","1") = "7"
    & skf18("4","2","8","1","8","5","1") = "7"
    & skf18("4","2","8","1","8","6","1") = "7"
    & skf18("4","2","8","1","8","7","1") = "7"
    & skf18("4","2","8","1","8","8","1") = "7"
    & skf18("4","2","8","1","8","9","1") = "8"
    & skf18("4","2","8","1","8","10","1") = "9"
    & skf18("4","2","8","1","9","1","1") = "8"
    & skf18("4","2","8","1","9","2","1") = "8"
    & skf18("4","2","8","1","9","3","1") = "8"
    & skf18("4","2","8","1","9","4","1") = "8"
    & skf18("4","2","8","1","9","5","1") = "8"
    & skf18("4","2","8","1","9","6","1") = "8"
    & skf18("4","2","8","1","9","7","1") = "8"
    & skf18("4","2","8","1","9","8","1") = "8"
    & skf18("4","2","8","1","9","9","1") = "8"
    & skf18("4","2","8","1","9","10","1") = "9"
    & skf18("4","2","8","1","10","1","1") = "9"
    & skf18("4","2","8","1","10","2","1") = "9"
    & skf18("4","2","8","1","10","3","1") = "9"
    & skf18("4","2","8","1","10","4","1") = "9"
    & skf18("4","2","8","1","10","5","1") = "9"
    & skf18("4","2","8","1","10","6","1") = "9"
    & skf18("4","2","8","1","10","7","1") = "9"
    & skf18("4","2","8","1","10","8","1") = "9"
    & skf18("4","2","8","1","10","9","1") = "9"
    & skf18("4","2","8","1","10","10","1") = "9"
    & skf18("4","2","8","2","1","1","1") = "7"
    & skf18("4","2","8","2","1","2","1") = "7"
    & skf18("4","2","8","2","1","3","1") = "7"
    & skf18("4","2","8","2","1","4","1") = "7"
    & skf18("4","2","8","2","1","5","1") = "7"
    & skf18("4","2","8","2","1","6","1") = "7"
    & skf18("4","2","8","2","1","7","1") = "7"
    & skf18("4","2","8","2","1","8","1") = "7"
    & skf18("4","2","8","2","1","9","1") = "8"
    & skf18("4","2","8","2","1","10","1") = "9"
    & skf18("4","2","8","2","2","1","1") = "7"
    & skf18("4","2","8","2","2","2","1") = "7"
    & skf18("4","2","8","2","2","3","1") = "7"
    & skf18("4","2","8","2","2","4","1") = "7"
    & skf18("4","2","8","2","2","5","1") = "7"
    & skf18("4","2","8","2","2","6","1") = "7"
    & skf18("4","2","8","2","2","7","1") = "7"
    & skf18("4","2","8","2","2","8","1") = "7"
    & skf18("4","2","8","2","2","9","1") = "8"
    & skf18("4","2","8","2","2","10","1") = "9"
    & skf18("4","2","8","2","3","1","1") = "7"
    & skf18("4","2","8","2","3","2","1") = "7"
    & skf18("4","2","8","2","3","3","1") = "7"
    & skf18("4","2","8","2","3","4","1") = "7"
    & skf18("4","2","8","2","3","5","1") = "7"
    & skf18("4","2","8","2","3","6","1") = "7"
    & skf18("4","2","8","2","3","7","1") = "7"
    & skf18("4","2","8","2","3","8","1") = "7"
    & skf18("4","2","8","2","3","9","1") = "8"
    & skf18("4","2","8","2","3","10","1") = "9"
    & skf18("4","2","8","2","4","1","1") = "7"
    & skf18("4","2","8","2","4","2","1") = "7"
    & skf18("4","2","8","2","4","3","1") = "7"
    & skf18("4","2","8","2","4","4","1") = "7"
    & skf18("4","2","8","2","4","5","1") = "7"
    & skf18("4","2","8","2","4","6","1") = "7"
    & skf18("4","2","8","2","4","7","1") = "7"
    & skf18("4","2","8","2","4","8","1") = "7"
    & skf18("4","2","8","2","4","9","1") = "8"
    & skf18("4","2","8","2","4","10","1") = "9"
    & skf18("4","2","8","2","5","1","1") = "7"
    & skf18("4","2","8","2","5","2","1") = "7"
    & skf18("4","2","8","2","5","3","1") = "7"
    & skf18("4","2","8","2","5","4","1") = "7"
    & skf18("4","2","8","2","5","5","1") = "7"
    & skf18("4","2","8","2","5","6","1") = "7"
    & skf18("4","2","8","2","5","7","1") = "7"
    & skf18("4","2","8","2","5","8","1") = "7"
    & skf18("4","2","8","2","5","9","1") = "8"
    & skf18("4","2","8","2","5","10","1") = "9"
    & skf18("4","2","8","2","6","1","1") = "7"
    & skf18("4","2","8","2","6","2","1") = "7"
    & skf18("4","2","8","2","6","3","1") = "7"
    & skf18("4","2","8","2","6","4","1") = "7"
    & skf18("4","2","8","2","6","5","1") = "7"
    & skf18("4","2","8","2","6","6","1") = "7"
    & skf18("4","2","8","2","6","7","1") = "7"
    & skf18("4","2","8","2","6","8","1") = "7"
    & skf18("4","2","8","2","6","9","1") = "8"
    & skf18("4","2","8","2","6","10","1") = "9"
    & skf18("4","2","8","2","7","1","1") = "7"
    & skf18("4","2","8","2","7","2","1") = "7"
    & skf18("4","2","8","2","7","3","1") = "7"
    & skf18("4","2","8","2","7","4","1") = "7"
    & skf18("4","2","8","2","7","5","1") = "7"
    & skf18("4","2","8","2","7","6","1") = "7"
    & skf18("4","2","8","2","7","7","1") = "7"
    & skf18("4","2","8","2","7","8","1") = "7"
    & skf18("4","2","8","2","7","9","1") = "8"
    & skf18("4","2","8","2","7","10","1") = "9"
    & skf18("4","2","8","2","8","1","1") = "7"
    & skf18("4","2","8","2","8","2","1") = "7"
    & skf18("4","2","8","2","8","3","1") = "7"
    & skf18("4","2","8","2","8","4","1") = "7"
    & skf18("4","2","8","2","8","5","1") = "7"
    & skf18("4","2","8","2","8","6","1") = "7"
    & skf18("4","2","8","2","8","7","1") = "7"
    & skf18("4","2","8","2","8","8","1") = "7"
    & skf18("4","2","8","2","8","9","1") = "8"
    & skf18("4","2","8","2","8","10","1") = "9"
    & skf18("4","2","8","2","9","1","1") = "8"
    & skf18("4","2","8","2","9","2","1") = "8"
    & skf18("4","2","8","2","9","3","1") = "8"
    & skf18("4","2","8","2","9","4","1") = "8"
    & skf18("4","2","8","2","9","5","1") = "8"
    & skf18("4","2","8","2","9","6","1") = "8"
    & skf18("4","2","8","2","9","7","1") = "8"
    & skf18("4","2","8","2","9","8","1") = "8"
    & skf18("4","2","8","2","9","9","1") = "8"
    & skf18("4","2","8","2","9","10","1") = "9"
    & skf18("4","2","8","2","10","1","1") = "9"
    & skf18("4","2","8","2","10","2","1") = "9"
    & skf18("4","2","8","2","10","3","1") = "9"
    & skf18("4","2","8","2","10","4","1") = "9"
    & skf18("4","2","8","2","10","5","1") = "9"
    & skf18("4","2","8","2","10","6","1") = "9"
    & skf18("4","2","8","2","10","7","1") = "9"
    & skf18("4","2","8","2","10","8","1") = "9"
    & skf18("4","2","8","2","10","9","1") = "9"
    & skf18("4","2","8","2","10","10","1") = "9"
    & skf18("4","2","8","3","1","1","1") = "7"
    & skf18("4","2","8","3","1","2","1") = "7"
    & skf18("4","2","8","3","1","3","1") = "7"
    & skf18("4","2","8","3","1","4","1") = "7"
    & skf18("4","2","8","3","1","5","1") = "7"
    & skf18("4","2","8","3","1","6","1") = "7"
    & skf18("4","2","8","3","1","7","1") = "7"
    & skf18("4","2","8","3","1","8","1") = "7"
    & skf18("4","2","8","3","1","9","1") = "8"
    & skf18("4","2","8","3","1","10","1") = "9"
    & skf18("4","2","8","3","2","1","1") = "7"
    & skf18("4","2","8","3","2","2","1") = "7"
    & skf18("4","2","8","3","2","3","1") = "7"
    & skf18("4","2","8","3","2","4","1") = "7"
    & skf18("4","2","8","3","2","5","1") = "7"
    & skf18("4","2","8","3","2","6","1") = "7"
    & skf18("4","2","8","3","2","7","1") = "7"
    & skf18("4","2","8","3","2","8","1") = "7"
    & skf18("4","2","8","3","2","9","1") = "8"
    & skf18("4","2","8","3","2","10","1") = "9"
    & skf18("4","2","8","3","3","1","1") = "7"
    & skf18("4","2","8","3","3","2","1") = "7"
    & skf18("4","2","8","3","3","3","1") = "7"
    & skf18("4","2","8","3","3","4","1") = "7"
    & skf18("4","2","8","3","3","5","1") = "7"
    & skf18("4","2","8","3","3","6","1") = "7"
    & skf18("4","2","8","3","3","7","1") = "7"
    & skf18("4","2","8","3","3","8","1") = "7"
    & skf18("4","2","8","3","3","9","1") = "8"
    & skf18("4","2","8","3","3","10","1") = "9"
    & skf18("4","2","8","3","4","1","1") = "7"
    & skf18("4","2","8","3","4","2","1") = "7"
    & skf18("4","2","8","3","4","3","1") = "7"
    & skf18("4","2","8","3","4","4","1") = "7"
    & skf18("4","2","8","3","4","5","1") = "7"
    & skf18("4","2","8","3","4","6","1") = "7"
    & skf18("4","2","8","3","4","7","1") = "7"
    & skf18("4","2","8","3","4","8","1") = "7"
    & skf18("4","2","8","3","4","9","1") = "8"
    & skf18("4","2","8","3","4","10","1") = "9"
    & skf18("4","2","8","3","5","1","1") = "7"
    & skf18("4","2","8","3","5","2","1") = "7"
    & skf18("4","2","8","3","5","3","1") = "7"
    & skf18("4","2","8","3","5","4","1") = "7"
    & skf18("4","2","8","3","5","5","1") = "7"
    & skf18("4","2","8","3","5","6","1") = "7"
    & skf18("4","2","8","3","5","7","1") = "7"
    & skf18("4","2","8","3","5","8","1") = "7"
    & skf18("4","2","8","3","5","9","1") = "8"
    & skf18("4","2","8","3","5","10","1") = "9"
    & skf18("4","2","8","3","6","1","1") = "7"
    & skf18("4","2","8","3","6","2","1") = "7"
    & skf18("4","2","8","3","6","3","1") = "7"
    & skf18("4","2","8","3","6","4","1") = "7"
    & skf18("4","2","8","3","6","5","1") = "7"
    & skf18("4","2","8","3","6","6","1") = "7"
    & skf18("4","2","8","3","6","7","1") = "7"
    & skf18("4","2","8","3","6","8","1") = "7"
    & skf18("4","2","8","3","6","9","1") = "8"
    & skf18("4","2","8","3","6","10","1") = "9"
    & skf18("4","2","8","3","7","1","1") = "7"
    & skf18("4","2","8","3","7","2","1") = "7"
    & skf18("4","2","8","3","7","3","1") = "7"
    & skf18("4","2","8","3","7","4","1") = "7"
    & skf18("4","2","8","3","7","5","1") = "7"
    & skf18("4","2","8","3","7","6","1") = "7"
    & skf18("4","2","8","3","7","7","1") = "7"
    & skf18("4","2","8","3","7","8","1") = "7"
    & skf18("4","2","8","3","7","9","1") = "8"
    & skf18("4","2","8","3","7","10","1") = "9"
    & skf18("4","2","8","3","8","1","1") = "7"
    & skf18("4","2","8","3","8","2","1") = "7"
    & skf18("4","2","8","3","8","3","1") = "7"
    & skf18("4","2","8","3","8","4","1") = "7"
    & skf18("4","2","8","3","8","5","1") = "7"
    & skf18("4","2","8","3","8","6","1") = "7"
    & skf18("4","2","8","3","8","7","1") = "7"
    & skf18("4","2","8","3","8","8","1") = "7"
    & skf18("4","2","8","3","8","9","1") = "8"
    & skf18("4","2","8","3","8","10","1") = "9"
    & skf18("4","2","8","3","9","1","1") = "8"
    & skf18("4","2","8","3","9","2","1") = "8"
    & skf18("4","2","8","3","9","3","1") = "8"
    & skf18("4","2","8","3","9","4","1") = "8"
    & skf18("4","2","8","3","9","5","1") = "8"
    & skf18("4","2","8","3","9","6","1") = "8"
    & skf18("4","2","8","3","9","7","1") = "8"
    & skf18("4","2","8","3","9","8","1") = "8"
    & skf18("4","2","8","3","9","9","1") = "8"
    & skf18("4","2","8","3","9","10","1") = "9"
    & skf18("4","2","8","3","10","1","1") = "9"
    & skf18("4","2","8","3","10","2","1") = "9"
    & skf18("4","2","8","3","10","3","1") = "9"
    & skf18("4","2","8","3","10","4","1") = "9"
    & skf18("4","2","8","3","10","5","1") = "9"
    & skf18("4","2","8","3","10","6","1") = "9"
    & skf18("4","2","8","3","10","7","1") = "9"
    & skf18("4","2","8","3","10","8","1") = "9"
    & skf18("4","2","8","3","10","9","1") = "9"
    & skf18("4","2","8","3","10","10","1") = "9"
    & skf18("4","2","8","4","1","1","1") = "7"
    & skf18("4","2","8","4","1","2","1") = "7"
    & skf18("4","2","8","4","1","3","1") = "7"
    & skf18("4","2","8","4","1","4","1") = "7"
    & skf18("4","2","8","4","1","5","1") = "7"
    & skf18("4","2","8","4","1","6","1") = "7"
    & skf18("4","2","8","4","1","7","1") = "7"
    & skf18("4","2","8","4","1","8","1") = "7"
    & skf18("4","2","8","4","1","9","1") = "8"
    & skf18("4","2","8","4","1","10","1") = "9"
    & skf18("4","2","8","4","2","1","1") = "7"
    & skf18("4","2","8","4","2","2","1") = "7"
    & skf18("4","2","8","4","2","3","1") = "7"
    & skf18("4","2","8","4","2","4","1") = "7"
    & skf18("4","2","8","4","2","5","1") = "7"
    & skf18("4","2","8","4","2","6","1") = "7"
    & skf18("4","2","8","4","2","7","1") = "7"
    & skf18("4","2","8","4","2","8","1") = "7"
    & skf18("4","2","8","4","2","9","1") = "8"
    & skf18("4","2","8","4","2","10","1") = "9"
    & skf18("4","2","8","4","3","1","1") = "7"
    & skf18("4","2","8","4","3","2","1") = "7"
    & skf18("4","2","8","4","3","3","1") = "7"
    & skf18("4","2","8","4","3","4","1") = "7"
    & skf18("4","2","8","4","3","5","1") = "7"
    & skf18("4","2","8","4","3","6","1") = "7"
    & skf18("4","2","8","4","3","7","1") = "7"
    & skf18("4","2","8","4","3","8","1") = "7"
    & skf18("4","2","8","4","3","9","1") = "8"
    & skf18("4","2","8","4","3","10","1") = "9"
    & skf18("4","2","8","4","4","1","1") = "7"
    & skf18("4","2","8","4","4","2","1") = "7"
    & skf18("4","2","8","4","4","3","1") = "7"
    & skf18("4","2","8","4","4","4","1") = "7"
    & skf18("4","2","8","4","4","5","1") = "7"
    & skf18("4","2","8","4","4","6","1") = "7"
    & skf18("4","2","8","4","4","7","1") = "7"
    & skf18("4","2","8","4","4","8","1") = "7"
    & skf18("4","2","8","4","4","9","1") = "8"
    & skf18("4","2","8","4","4","10","1") = "9"
    & skf18("4","2","8","4","5","1","1") = "7"
    & skf18("4","2","8","4","5","2","1") = "7"
    & skf18("4","2","8","4","5","3","1") = "7"
    & skf18("4","2","8","4","5","4","1") = "7"
    & skf18("4","2","8","4","5","5","1") = "7"
    & skf18("4","2","8","4","5","6","1") = "7"
    & skf18("4","2","8","4","5","7","1") = "7"
    & skf18("4","2","8","4","5","8","1") = "7"
    & skf18("4","2","8","4","5","9","1") = "8"
    & skf18("4","2","8","4","5","10","1") = "9"
    & skf18("4","2","8","4","6","1","1") = "7"
    & skf18("4","2","8","4","6","2","1") = "7"
    & skf18("4","2","8","4","6","3","1") = "7"
    & skf18("4","2","8","4","6","4","1") = "7"
    & skf18("4","2","8","4","6","5","1") = "7"
    & skf18("4","2","8","4","6","6","1") = "7"
    & skf18("4","2","8","4","6","7","1") = "7"
    & skf18("4","2","8","4","6","8","1") = "7"
    & skf18("4","2","8","4","6","9","1") = "8"
    & skf18("4","2","8","4","6","10","1") = "9"
    & skf18("4","2","8","4","7","1","1") = "7"
    & skf18("4","2","8","4","7","2","1") = "7"
    & skf18("4","2","8","4","7","3","1") = "7"
    & skf18("4","2","8","4","7","4","1") = "7"
    & skf18("4","2","8","4","7","5","1") = "7"
    & skf18("4","2","8","4","7","6","1") = "7"
    & skf18("4","2","8","4","7","7","1") = "7"
    & skf18("4","2","8","4","7","8","1") = "7"
    & skf18("4","2","8","4","7","9","1") = "8"
    & skf18("4","2","8","4","7","10","1") = "9"
    & skf18("4","2","8","4","8","1","1") = "7"
    & skf18("4","2","8","4","8","2","1") = "7"
    & skf18("4","2","8","4","8","3","1") = "7"
    & skf18("4","2","8","4","8","4","1") = "7"
    & skf18("4","2","8","4","8","5","1") = "7"
    & skf18("4","2","8","4","8","6","1") = "7"
    & skf18("4","2","8","4","8","7","1") = "7"
    & skf18("4","2","8","4","8","8","1") = "7"
    & skf18("4","2","8","4","8","9","1") = "8"
    & skf18("4","2","8","4","8","10","1") = "9"
    & skf18("4","2","8","4","9","1","1") = "8"
    & skf18("4","2","8","4","9","2","1") = "8"
    & skf18("4","2","8","4","9","3","1") = "8"
    & skf18("4","2","8","4","9","4","1") = "8"
    & skf18("4","2","8","4","9","5","1") = "8"
    & skf18("4","2","8","4","9","6","1") = "8"
    & skf18("4","2","8","4","9","7","1") = "8"
    & skf18("4","2","8","4","9","8","1") = "8"
    & skf18("4","2","8","4","9","9","1") = "8"
    & skf18("4","2","8","4","9","10","1") = "9"
    & skf18("4","2","8","4","10","1","1") = "9"
    & skf18("4","2","8","4","10","2","1") = "9"
    & skf18("4","2","8","4","10","3","1") = "9"
    & skf18("4","2","8","4","10","4","1") = "9"
    & skf18("4","2","8","4","10","5","1") = "9"
    & skf18("4","2","8","4","10","6","1") = "9"
    & skf18("4","2","8","4","10","7","1") = "9"
    & skf18("4","2","8","4","10","8","1") = "9"
    & skf18("4","2","8","4","10","9","1") = "9"
    & skf18("4","2","8","4","10","10","1") = "9"
    & skf18("4","2","8","5","1","1","1") = "7"
    & skf18("4","2","8","5","1","2","1") = "7"
    & skf18("4","2","8","5","1","3","1") = "7"
    & skf18("4","2","8","5","1","4","1") = "7"
    & skf18("4","2","8","5","1","5","1") = "7"
    & skf18("4","2","8","5","1","6","1") = "7"
    & skf18("4","2","8","5","1","7","1") = "7"
    & skf18("4","2","8","5","1","8","1") = "7"
    & skf18("4","2","8","5","1","9","1") = "8"
    & skf18("4","2","8","5","1","10","1") = "9"
    & skf18("4","2","8","5","2","1","1") = "7"
    & skf18("4","2","8","5","2","2","1") = "7"
    & skf18("4","2","8","5","2","3","1") = "7"
    & skf18("4","2","8","5","2","4","1") = "7"
    & skf18("4","2","8","5","2","5","1") = "7"
    & skf18("4","2","8","5","2","6","1") = "7"
    & skf18("4","2","8","5","2","7","1") = "7"
    & skf18("4","2","8","5","2","8","1") = "7"
    & skf18("4","2","8","5","2","9","1") = "8"
    & skf18("4","2","8","5","2","10","1") = "9"
    & skf18("4","2","8","5","3","1","1") = "7"
    & skf18("4","2","8","5","3","2","1") = "7"
    & skf18("4","2","8","5","3","3","1") = "7"
    & skf18("4","2","8","5","3","4","1") = "7"
    & skf18("4","2","8","5","3","5","1") = "7"
    & skf18("4","2","8","5","3","6","1") = "7"
    & skf18("4","2","8","5","3","7","1") = "7"
    & skf18("4","2","8","5","3","8","1") = "7"
    & skf18("4","2","8","5","3","9","1") = "8"
    & skf18("4","2","8","5","3","10","1") = "9"
    & skf18("4","2","8","5","4","1","1") = "7"
    & skf18("4","2","8","5","4","2","1") = "7"
    & skf18("4","2","8","5","4","3","1") = "7"
    & skf18("4","2","8","5","4","4","1") = "7"
    & skf18("4","2","8","5","4","5","1") = "7"
    & skf18("4","2","8","5","4","6","1") = "7"
    & skf18("4","2","8","5","4","7","1") = "7"
    & skf18("4","2","8","5","4","8","1") = "7"
    & skf18("4","2","8","5","4","9","1") = "8"
    & skf18("4","2","8","5","4","10","1") = "9"
    & skf18("4","2","8","5","5","1","1") = "7"
    & skf18("4","2","8","5","5","2","1") = "7"
    & skf18("4","2","8","5","5","3","1") = "7"
    & skf18("4","2","8","5","5","4","1") = "7"
    & skf18("4","2","8","5","5","5","1") = "7"
    & skf18("4","2","8","5","5","6","1") = "7"
    & skf18("4","2","8","5","5","7","1") = "7"
    & skf18("4","2","8","5","5","8","1") = "7"
    & skf18("4","2","8","5","5","9","1") = "8"
    & skf18("4","2","8","5","5","10","1") = "9"
    & skf18("4","2","8","5","6","1","1") = "7"
    & skf18("4","2","8","5","6","2","1") = "7"
    & skf18("4","2","8","5","6","3","1") = "7"
    & skf18("4","2","8","5","6","4","1") = "7"
    & skf18("4","2","8","5","6","5","1") = "7"
    & skf18("4","2","8","5","6","6","1") = "7"
    & skf18("4","2","8","5","6","7","1") = "7"
    & skf18("4","2","8","5","6","8","1") = "7"
    & skf18("4","2","8","5","6","9","1") = "8"
    & skf18("4","2","8","5","6","10","1") = "9"
    & skf18("4","2","8","5","7","1","1") = "7"
    & skf18("4","2","8","5","7","2","1") = "7"
    & skf18("4","2","8","5","7","3","1") = "7"
    & skf18("4","2","8","5","7","4","1") = "7"
    & skf18("4","2","8","5","7","5","1") = "7"
    & skf18("4","2","8","5","7","6","1") = "7"
    & skf18("4","2","8","5","7","7","1") = "7"
    & skf18("4","2","8","5","7","8","1") = "7"
    & skf18("4","2","8","5","7","9","1") = "8"
    & skf18("4","2","8","5","7","10","1") = "9"
    & skf18("4","2","8","5","8","1","1") = "7"
    & skf18("4","2","8","5","8","2","1") = "7"
    & skf18("4","2","8","5","8","3","1") = "7"
    & skf18("4","2","8","5","8","4","1") = "7"
    & skf18("4","2","8","5","8","5","1") = "7"
    & skf18("4","2","8","5","8","6","1") = "7"
    & skf18("4","2","8","5","8","7","1") = "7"
    & skf18("4","2","8","5","8","8","1") = "7"
    & skf18("4","2","8","5","8","9","1") = "8"
    & skf18("4","2","8","5","8","10","1") = "9"
    & skf18("4","2","8","5","9","1","1") = "8"
    & skf18("4","2","8","5","9","2","1") = "8"
    & skf18("4","2","8","5","9","3","1") = "8"
    & skf18("4","2","8","5","9","4","1") = "8"
    & skf18("4","2","8","5","9","5","1") = "8"
    & skf18("4","2","8","5","9","6","1") = "8"
    & skf18("4","2","8","5","9","7","1") = "8"
    & skf18("4","2","8","5","9","8","1") = "8"
    & skf18("4","2","8","5","9","9","1") = "8"
    & skf18("4","2","8","5","9","10","1") = "9"
    & skf18("4","2","8","5","10","1","1") = "9"
    & skf18("4","2","8","5","10","2","1") = "9"
    & skf18("4","2","8","5","10","3","1") = "9"
    & skf18("4","2","8","5","10","4","1") = "9"
    & skf18("4","2","8","5","10","5","1") = "9"
    & skf18("4","2","8","5","10","6","1") = "9"
    & skf18("4","2","8","5","10","7","1") = "9"
    & skf18("4","2","8","5","10","8","1") = "9"
    & skf18("4","2","8","5","10","9","1") = "9"
    & skf18("4","2","8","5","10","10","1") = "9"
    & skf18("4","2","8","6","1","1","1") = "7"
    & skf18("4","2","8","6","1","2","1") = "7"
    & skf18("4","2","8","6","1","3","1") = "7"
    & skf18("4","2","8","6","1","4","1") = "7"
    & skf18("4","2","8","6","1","5","1") = "7"
    & skf18("4","2","8","6","1","6","1") = "7"
    & skf18("4","2","8","6","1","7","1") = "7"
    & skf18("4","2","8","6","1","8","1") = "7"
    & skf18("4","2","8","6","1","9","1") = "8"
    & skf18("4","2","8","6","1","10","1") = "9"
    & skf18("4","2","8","6","2","1","1") = "7"
    & skf18("4","2","8","6","2","2","1") = "7"
    & skf18("4","2","8","6","2","3","1") = "7"
    & skf18("4","2","8","6","2","4","1") = "7"
    & skf18("4","2","8","6","2","5","1") = "7"
    & skf18("4","2","8","6","2","6","1") = "7"
    & skf18("4","2","8","6","2","7","1") = "7"
    & skf18("4","2","8","6","2","8","1") = "7"
    & skf18("4","2","8","6","2","9","1") = "8"
    & skf18("4","2","8","6","2","10","1") = "9"
    & skf18("4","2","8","6","3","1","1") = "7"
    & skf18("4","2","8","6","3","2","1") = "7"
    & skf18("4","2","8","6","3","3","1") = "7"
    & skf18("4","2","8","6","3","4","1") = "7"
    & skf18("4","2","8","6","3","5","1") = "7"
    & skf18("4","2","8","6","3","6","1") = "7"
    & skf18("4","2","8","6","3","7","1") = "7"
    & skf18("4","2","8","6","3","8","1") = "7"
    & skf18("4","2","8","6","3","9","1") = "8"
    & skf18("4","2","8","6","3","10","1") = "9"
    & skf18("4","2","8","6","4","1","1") = "7"
    & skf18("4","2","8","6","4","2","1") = "7"
    & skf18("4","2","8","6","4","3","1") = "7"
    & skf18("4","2","8","6","4","4","1") = "7"
    & skf18("4","2","8","6","4","5","1") = "7"
    & skf18("4","2","8","6","4","6","1") = "7"
    & skf18("4","2","8","6","4","7","1") = "7"
    & skf18("4","2","8","6","4","8","1") = "7"
    & skf18("4","2","8","6","4","9","1") = "8"
    & skf18("4","2","8","6","4","10","1") = "9"
    & skf18("4","2","8","6","5","1","1") = "7"
    & skf18("4","2","8","6","5","2","1") = "7"
    & skf18("4","2","8","6","5","3","1") = "7"
    & skf18("4","2","8","6","5","4","1") = "7"
    & skf18("4","2","8","6","5","5","1") = "7"
    & skf18("4","2","8","6","5","6","1") = "7"
    & skf18("4","2","8","6","5","7","1") = "7"
    & skf18("4","2","8","6","5","8","1") = "7"
    & skf18("4","2","8","6","5","9","1") = "8"
    & skf18("4","2","8","6","5","10","1") = "9"
    & skf18("4","2","8","6","6","1","1") = "7"
    & skf18("4","2","8","6","6","2","1") = "7"
    & skf18("4","2","8","6","6","3","1") = "7"
    & skf18("4","2","8","6","6","4","1") = "7"
    & skf18("4","2","8","6","6","5","1") = "7"
    & skf18("4","2","8","6","6","6","1") = "7"
    & skf18("4","2","8","6","6","7","1") = "7"
    & skf18("4","2","8","6","6","8","1") = "7"
    & skf18("4","2","8","6","6","9","1") = "8"
    & skf18("4","2","8","6","6","10","1") = "9"
    & skf18("4","2","8","6","7","1","1") = "7"
    & skf18("4","2","8","6","7","2","1") = "7"
    & skf18("4","2","8","6","7","3","1") = "7"
    & skf18("4","2","8","6","7","4","1") = "7"
    & skf18("4","2","8","6","7","5","1") = "7"
    & skf18("4","2","8","6","7","6","1") = "7"
    & skf18("4","2","8","6","7","7","1") = "7"
    & skf18("4","2","8","6","7","8","1") = "7"
    & skf18("4","2","8","6","7","9","1") = "8"
    & skf18("4","2","8","6","7","10","1") = "9"
    & skf18("4","2","8","6","8","1","1") = "7"
    & skf18("4","2","8","6","8","2","1") = "7"
    & skf18("4","2","8","6","8","3","1") = "7"
    & skf18("4","2","8","6","8","4","1") = "7"
    & skf18("4","2","8","6","8","5","1") = "7"
    & skf18("4","2","8","6","8","6","1") = "7"
    & skf18("4","2","8","6","8","7","1") = "7"
    & skf18("4","2","8","6","8","8","1") = "7"
    & skf18("4","2","8","6","8","9","1") = "8"
    & skf18("4","2","8","6","8","10","1") = "9"
    & skf18("4","2","8","6","9","1","1") = "8"
    & skf18("4","2","8","6","9","2","1") = "8"
    & skf18("4","2","8","6","9","3","1") = "8"
    & skf18("4","2","8","6","9","4","1") = "8"
    & skf18("4","2","8","6","9","5","1") = "8"
    & skf18("4","2","8","6","9","6","1") = "8"
    & skf18("4","2","8","6","9","7","1") = "8"
    & skf18("4","2","8","6","9","8","1") = "8"
    & skf18("4","2","8","6","9","9","1") = "8"
    & skf18("4","2","8","6","9","10","1") = "9"
    & skf18("4","2","8","6","10","1","1") = "9"
    & skf18("4","2","8","6","10","2","1") = "9"
    & skf18("4","2","8","6","10","3","1") = "9"
    & skf18("4","2","8","6","10","4","1") = "9"
    & skf18("4","2","8","6","10","5","1") = "9"
    & skf18("4","2","8","6","10","6","1") = "9"
    & skf18("4","2","8","6","10","7","1") = "9"
    & skf18("4","2","8","6","10","8","1") = "9"
    & skf18("4","2","8","6","10","9","1") = "9"
    & skf18("4","2","8","6","10","10","1") = "9"
    & skf18("4","2","8","7","1","1","1") = "7"
    & skf18("4","2","8","7","1","2","1") = "7"
    & skf18("4","2","8","7","1","3","1") = "7"
    & skf18("4","2","8","7","1","4","1") = "7"
    & skf18("4","2","8","7","1","5","1") = "7"
    & skf18("4","2","8","7","1","6","1") = "7"
    & skf18("4","2","8","7","1","7","1") = "7"
    & skf18("4","2","8","7","1","8","1") = "7"
    & skf18("4","2","8","7","1","9","1") = "8"
    & skf18("4","2","8","7","1","10","1") = "9"
    & skf18("4","2","8","7","2","1","1") = "7"
    & skf18("4","2","8","7","2","2","1") = "7"
    & skf18("4","2","8","7","2","3","1") = "7"
    & skf18("4","2","8","7","2","4","1") = "7"
    & skf18("4","2","8","7","2","5","1") = "7"
    & skf18("4","2","8","7","2","6","1") = "7"
    & skf18("4","2","8","7","2","7","1") = "7"
    & skf18("4","2","8","7","2","8","1") = "7"
    & skf18("4","2","8","7","2","9","1") = "8"
    & skf18("4","2","8","7","2","10","1") = "9"
    & skf18("4","2","8","7","3","1","1") = "7"
    & skf18("4","2","8","7","3","2","1") = "7"
    & skf18("4","2","8","7","3","3","1") = "7"
    & skf18("4","2","8","7","3","4","1") = "7"
    & skf18("4","2","8","7","3","5","1") = "7"
    & skf18("4","2","8","7","3","6","1") = "7"
    & skf18("4","2","8","7","3","7","1") = "7"
    & skf18("4","2","8","7","3","8","1") = "7"
    & skf18("4","2","8","7","3","9","1") = "8"
    & skf18("4","2","8","7","3","10","1") = "9"
    & skf18("4","2","8","7","4","1","1") = "7"
    & skf18("4","2","8","7","4","2","1") = "7"
    & skf18("4","2","8","7","4","3","1") = "7"
    & skf18("4","2","8","7","4","4","1") = "7"
    & skf18("4","2","8","7","4","5","1") = "7"
    & skf18("4","2","8","7","4","6","1") = "7"
    & skf18("4","2","8","7","4","7","1") = "7"
    & skf18("4","2","8","7","4","8","1") = "7"
    & skf18("4","2","8","7","4","9","1") = "8"
    & skf18("4","2","8","7","4","10","1") = "9"
    & skf18("4","2","8","7","5","1","1") = "7"
    & skf18("4","2","8","7","5","2","1") = "7"
    & skf18("4","2","8","7","5","3","1") = "7"
    & skf18("4","2","8","7","5","4","1") = "7"
    & skf18("4","2","8","7","5","5","1") = "7"
    & skf18("4","2","8","7","5","6","1") = "7"
    & skf18("4","2","8","7","5","7","1") = "7"
    & skf18("4","2","8","7","5","8","1") = "7"
    & skf18("4","2","8","7","5","9","1") = "8"
    & skf18("4","2","8","7","5","10","1") = "9"
    & skf18("4","2","8","7","6","1","1") = "7"
    & skf18("4","2","8","7","6","2","1") = "7"
    & skf18("4","2","8","7","6","3","1") = "7"
    & skf18("4","2","8","7","6","4","1") = "7"
    & skf18("4","2","8","7","6","5","1") = "7"
    & skf18("4","2","8","7","6","6","1") = "7"
    & skf18("4","2","8","7","6","7","1") = "7"
    & skf18("4","2","8","7","6","8","1") = "7"
    & skf18("4","2","8","7","6","9","1") = "8"
    & skf18("4","2","8","7","6","10","1") = "9"
    & skf18("4","2","8","7","7","1","1") = "7"
    & skf18("4","2","8","7","7","2","1") = "7"
    & skf18("4","2","8","7","7","3","1") = "7"
    & skf18("4","2","8","7","7","4","1") = "7"
    & skf18("4","2","8","7","7","5","1") = "7"
    & skf18("4","2","8","7","7","6","1") = "7"
    & skf18("4","2","8","7","7","7","1") = "7"
    & skf18("4","2","8","7","7","8","1") = "7"
    & skf18("4","2","8","7","7","9","1") = "8"
    & skf18("4","2","8","7","7","10","1") = "9"
    & skf18("4","2","8","7","8","1","1") = "7"
    & skf18("4","2","8","7","8","2","1") = "7"
    & skf18("4","2","8","7","8","3","1") = "7"
    & skf18("4","2","8","7","8","4","1") = "7"
    & skf18("4","2","8","7","8","5","1") = "7"
    & skf18("4","2","8","7","8","6","1") = "7"
    & skf18("4","2","8","7","8","7","1") = "7"
    & skf18("4","2","8","7","8","8","1") = "7"
    & skf18("4","2","8","7","8","9","1") = "8"
    & skf18("4","2","8","7","8","10","1") = "9"
    & skf18("4","2","8","7","9","1","1") = "8"
    & skf18("4","2","8","7","9","2","1") = "8"
    & skf18("4","2","8","7","9","3","1") = "8"
    & skf18("4","2","8","7","9","4","1") = "8"
    & skf18("4","2","8","7","9","5","1") = "8"
    & skf18("4","2","8","7","9","6","1") = "8"
    & skf18("4","2","8","7","9","7","1") = "8"
    & skf18("4","2","8","7","9","8","1") = "8"
    & skf18("4","2","8","7","9","9","1") = "8"
    & skf18("4","2","8","7","9","10","1") = "9"
    & skf18("4","2","8","7","10","1","1") = "9"
    & skf18("4","2","8","7","10","2","1") = "9"
    & skf18("4","2","8","7","10","3","1") = "9"
    & skf18("4","2","8","7","10","4","1") = "9"
    & skf18("4","2","8","7","10","5","1") = "9"
    & skf18("4","2","8","7","10","6","1") = "9"
    & skf18("4","2","8","7","10","7","1") = "9"
    & skf18("4","2","8","7","10","8","1") = "9"
    & skf18("4","2","8","7","10","9","1") = "9"
    & skf18("4","2","8","7","10","10","1") = "9"
    & skf18("4","2","8","8","1","1","1") = "7"
    & skf18("4","2","8","8","1","2","1") = "7"
    & skf18("4","2","8","8","1","3","1") = "7"
    & skf18("4","2","8","8","1","4","1") = "7"
    & skf18("4","2","8","8","1","5","1") = "7"
    & skf18("4","2","8","8","1","6","1") = "7"
    & skf18("4","2","8","8","1","7","1") = "7"
    & skf18("4","2","8","8","1","8","1") = "7"
    & skf18("4","2","8","8","1","9","1") = "8"
    & skf18("4","2","8","8","1","10","1") = "9"
    & skf18("4","2","8","8","2","1","1") = "7"
    & skf18("4","2","8","8","2","2","1") = "7"
    & skf18("4","2","8","8","2","3","1") = "7"
    & skf18("4","2","8","8","2","4","1") = "7"
    & skf18("4","2","8","8","2","5","1") = "7"
    & skf18("4","2","8","8","2","6","1") = "7"
    & skf18("4","2","8","8","2","7","1") = "7"
    & skf18("4","2","8","8","2","8","1") = "7"
    & skf18("4","2","8","8","2","9","1") = "8"
    & skf18("4","2","8","8","2","10","1") = "9"
    & skf18("4","2","8","8","3","1","1") = "7"
    & skf18("4","2","8","8","3","2","1") = "7"
    & skf18("4","2","8","8","3","3","1") = "7"
    & skf18("4","2","8","8","3","4","1") = "7"
    & skf18("4","2","8","8","3","5","1") = "7"
    & skf18("4","2","8","8","3","6","1") = "7"
    & skf18("4","2","8","8","3","7","1") = "7"
    & skf18("4","2","8","8","3","8","1") = "7"
    & skf18("4","2","8","8","3","9","1") = "8"
    & skf18("4","2","8","8","3","10","1") = "9"
    & skf18("4","2","8","8","4","1","1") = "7"
    & skf18("4","2","8","8","4","2","1") = "7"
    & skf18("4","2","8","8","4","3","1") = "7"
    & skf18("4","2","8","8","4","4","1") = "7"
    & skf18("4","2","8","8","4","5","1") = "7"
    & skf18("4","2","8","8","4","6","1") = "7"
    & skf18("4","2","8","8","4","7","1") = "7"
    & skf18("4","2","8","8","4","8","1") = "7"
    & skf18("4","2","8","8","4","9","1") = "8"
    & skf18("4","2","8","8","4","10","1") = "9"
    & skf18("4","2","8","8","5","1","1") = "7"
    & skf18("4","2","8","8","5","2","1") = "7"
    & skf18("4","2","8","8","5","3","1") = "7"
    & skf18("4","2","8","8","5","4","1") = "7"
    & skf18("4","2","8","8","5","5","1") = "7"
    & skf18("4","2","8","8","5","6","1") = "7"
    & skf18("4","2","8","8","5","7","1") = "7"
    & skf18("4","2","8","8","5","8","1") = "7"
    & skf18("4","2","8","8","5","9","1") = "8"
    & skf18("4","2","8","8","5","10","1") = "9"
    & skf18("4","2","8","8","6","1","1") = "7"
    & skf18("4","2","8","8","6","2","1") = "7"
    & skf18("4","2","8","8","6","3","1") = "7"
    & skf18("4","2","8","8","6","4","1") = "7"
    & skf18("4","2","8","8","6","5","1") = "7"
    & skf18("4","2","8","8","6","6","1") = "7"
    & skf18("4","2","8","8","6","7","1") = "7"
    & skf18("4","2","8","8","6","8","1") = "7"
    & skf18("4","2","8","8","6","9","1") = "8"
    & skf18("4","2","8","8","6","10","1") = "9"
    & skf18("4","2","8","8","7","1","1") = "7"
    & skf18("4","2","8","8","7","2","1") = "7"
    & skf18("4","2","8","8","7","3","1") = "7"
    & skf18("4","2","8","8","7","4","1") = "7"
    & skf18("4","2","8","8","7","5","1") = "7"
    & skf18("4","2","8","8","7","6","1") = "7"
    & skf18("4","2","8","8","7","7","1") = "7"
    & skf18("4","2","8","8","7","8","1") = "7"
    & skf18("4","2","8","8","7","9","1") = "8"
    & skf18("4","2","8","8","7","10","1") = "9"
    & skf18("4","2","8","8","8","1","1") = "7"
    & skf18("4","2","8","8","8","2","1") = "7"
    & skf18("4","2","8","8","8","3","1") = "7"
    & skf18("4","2","8","8","8","4","1") = "7"
    & skf18("4","2","8","8","8","5","1") = "7"
    & skf18("4","2","8","8","8","6","1") = "7"
    & skf18("4","2","8","8","8","7","1") = "7"
    & skf18("4","2","8","8","8","8","1") = "7"
    & skf18("4","2","8","8","8","9","1") = "8"
    & skf18("4","2","8","8","8","10","1") = "9"
    & skf18("4","2","8","8","9","1","1") = "8"
    & skf18("4","2","8","8","9","2","1") = "8"
    & skf18("4","2","8","8","9","3","1") = "8"
    & skf18("4","2","8","8","9","4","1") = "8"
    & skf18("4","2","8","8","9","5","1") = "8"
    & skf18("4","2","8","8","9","6","1") = "8"
    & skf18("4","2","8","8","9","7","1") = "8"
    & skf18("4","2","8","8","9","8","1") = "8"
    & skf18("4","2","8","8","9","9","1") = "8"
    & skf18("4","2","8","8","9","10","1") = "9"
    & skf18("4","2","8","8","10","1","1") = "9"
    & skf18("4","2","8","8","10","2","1") = "9"
    & skf18("4","2","8","8","10","3","1") = "9"
    & skf18("4","2","8","8","10","4","1") = "9"
    & skf18("4","2","8","8","10","5","1") = "9"
    & skf18("4","2","8","8","10","6","1") = "9"
    & skf18("4","2","8","8","10","7","1") = "9"
    & skf18("4","2","8","8","10","8","1") = "9"
    & skf18("4","2","8","8","10","9","1") = "9"
    & skf18("4","2","8","8","10","10","1") = "9"
    & skf18("4","2","8","9","1","1","1") = "8"
    & skf18("4","2","8","9","1","2","1") = "8"
    & skf18("4","2","8","9","1","3","1") = "8"
    & skf18("4","2","8","9","1","4","1") = "8"
    & skf18("4","2","8","9","1","5","1") = "8"
    & skf18("4","2","8","9","1","6","1") = "8"
    & skf18("4","2","8","9","1","7","1") = "8"
    & skf18("4","2","8","9","1","8","1") = "8"
    & skf18("4","2","8","9","1","9","1") = "8"
    & skf18("4","2","8","9","1","10","1") = "9"
    & skf18("4","2","8","9","2","1","1") = "8"
    & skf18("4","2","8","9","2","2","1") = "8"
    & skf18("4","2","8","9","2","3","1") = "8"
    & skf18("4","2","8","9","2","4","1") = "8"
    & skf18("4","2","8","9","2","5","1") = "8"
    & skf18("4","2","8","9","2","6","1") = "8"
    & skf18("4","2","8","9","2","7","1") = "8"
    & skf18("4","2","8","9","2","8","1") = "8"
    & skf18("4","2","8","9","2","9","1") = "8"
    & skf18("4","2","8","9","2","10","1") = "9"
    & skf18("4","2","8","9","3","1","1") = "8"
    & skf18("4","2","8","9","3","2","1") = "8"
    & skf18("4","2","8","9","3","3","1") = "8"
    & skf18("4","2","8","9","3","4","1") = "8"
    & skf18("4","2","8","9","3","5","1") = "8"
    & skf18("4","2","8","9","3","6","1") = "8"
    & skf18("4","2","8","9","3","7","1") = "8"
    & skf18("4","2","8","9","3","8","1") = "8"
    & skf18("4","2","8","9","3","9","1") = "8"
    & skf18("4","2","8","9","3","10","1") = "9"
    & skf18("4","2","8","9","4","1","1") = "8"
    & skf18("4","2","8","9","4","2","1") = "8"
    & skf18("4","2","8","9","4","3","1") = "8"
    & skf18("4","2","8","9","4","4","1") = "8"
    & skf18("4","2","8","9","4","5","1") = "8"
    & skf18("4","2","8","9","4","6","1") = "8"
    & skf18("4","2","8","9","4","7","1") = "8"
    & skf18("4","2","8","9","4","8","1") = "8"
    & skf18("4","2","8","9","4","9","1") = "8"
    & skf18("4","2","8","9","4","10","1") = "9"
    & skf18("4","2","8","9","5","1","1") = "8"
    & skf18("4","2","8","9","5","2","1") = "8"
    & skf18("4","2","8","9","5","3","1") = "8"
    & skf18("4","2","8","9","5","4","1") = "8"
    & skf18("4","2","8","9","5","5","1") = "8"
    & skf18("4","2","8","9","5","6","1") = "8"
    & skf18("4","2","8","9","5","7","1") = "8"
    & skf18("4","2","8","9","5","8","1") = "8"
    & skf18("4","2","8","9","5","9","1") = "8"
    & skf18("4","2","8","9","5","10","1") = "9"
    & skf18("4","2","8","9","6","1","1") = "8"
    & skf18("4","2","8","9","6","2","1") = "8"
    & skf18("4","2","8","9","6","3","1") = "8"
    & skf18("4","2","8","9","6","4","1") = "8"
    & skf18("4","2","8","9","6","5","1") = "8"
    & skf18("4","2","8","9","6","6","1") = "8"
    & skf18("4","2","8","9","6","7","1") = "8"
    & skf18("4","2","8","9","6","8","1") = "8"
    & skf18("4","2","8","9","6","9","1") = "8"
    & skf18("4","2","8","9","6","10","1") = "9"
    & skf18("4","2","8","9","7","1","1") = "8"
    & skf18("4","2","8","9","7","2","1") = "8"
    & skf18("4","2","8","9","7","3","1") = "8"
    & skf18("4","2","8","9","7","4","1") = "8"
    & skf18("4","2","8","9","7","5","1") = "8"
    & skf18("4","2","8","9","7","6","1") = "8"
    & skf18("4","2","8","9","7","7","1") = "8"
    & skf18("4","2","8","9","7","8","1") = "8"
    & skf18("4","2","8","9","7","9","1") = "8"
    & skf18("4","2","8","9","7","10","1") = "9"
    & skf18("4","2","8","9","8","1","1") = "8"
    & skf18("4","2","8","9","8","2","1") = "8"
    & skf18("4","2","8","9","8","3","1") = "8"
    & skf18("4","2","8","9","8","4","1") = "8"
    & skf18("4","2","8","9","8","5","1") = "8"
    & skf18("4","2","8","9","8","6","1") = "8"
    & skf18("4","2","8","9","8","7","1") = "8"
    & skf18("4","2","8","9","8","8","1") = "8"
    & skf18("4","2","8","9","8","9","1") = "8"
    & skf18("4","2","8","9","8","10","1") = "9"
    & skf18("4","2","8","9","9","1","1") = "8"
    & skf18("4","2","8","9","9","2","1") = "8"
    & skf18("4","2","8","9","9","3","1") = "8"
    & skf18("4","2","8","9","9","4","1") = "8"
    & skf18("4","2","8","9","9","5","1") = "8"
    & skf18("4","2","8","9","9","6","1") = "8"
    & skf18("4","2","8","9","9","7","1") = "8"
    & skf18("4","2","8","9","9","8","1") = "8"
    & skf18("4","2","8","9","9","9","1") = "8"
    & skf18("4","2","8","9","9","10","1") = "9"
    & skf18("4","2","8","9","10","1","1") = "9"
    & skf18("4","2","8","9","10","2","1") = "9"
    & skf18("4","2","8","9","10","3","1") = "9"
    & skf18("4","2","8","9","10","4","1") = "9"
    & skf18("4","2","8","9","10","5","1") = "9"
    & skf18("4","2","8","9","10","6","1") = "9"
    & skf18("4","2","8","9","10","7","1") = "9"
    & skf18("4","2","8","9","10","8","1") = "9"
    & skf18("4","2","8","9","10","9","1") = "9"
    & skf18("4","2","8","9","10","10","1") = "9"
    & skf18("4","2","8","10","1","1","1") = "9"
    & skf18("4","2","8","10","1","2","1") = "9"
    & skf18("4","2","8","10","1","3","1") = "9"
    & skf18("4","2","8","10","1","4","1") = "9"
    & skf18("4","2","8","10","1","5","1") = "9"
    & skf18("4","2","8","10","1","6","1") = "9"
    & skf18("4","2","8","10","1","7","1") = "9"
    & skf18("4","2","8","10","1","8","1") = "9"
    & skf18("4","2","8","10","1","9","1") = "9"
    & skf18("4","2","8","10","1","10","1") = "9"
    & skf18("4","2","8","10","2","1","1") = "9"
    & skf18("4","2","8","10","2","2","1") = "9"
    & skf18("4","2","8","10","2","3","1") = "9"
    & skf18("4","2","8","10","2","4","1") = "9"
    & skf18("4","2","8","10","2","5","1") = "9"
    & skf18("4","2","8","10","2","6","1") = "9"
    & skf18("4","2","8","10","2","7","1") = "9"
    & skf18("4","2","8","10","2","8","1") = "9"
    & skf18("4","2","8","10","2","9","1") = "9"
    & skf18("4","2","8","10","2","10","1") = "9"
    & skf18("4","2","8","10","3","1","1") = "9"
    & skf18("4","2","8","10","3","2","1") = "9"
    & skf18("4","2","8","10","3","3","1") = "9"
    & skf18("4","2","8","10","3","4","1") = "9"
    & skf18("4","2","8","10","3","5","1") = "9"
    & skf18("4","2","8","10","3","6","1") = "9"
    & skf18("4","2","8","10","3","7","1") = "9"
    & skf18("4","2","8","10","3","8","1") = "9"
    & skf18("4","2","8","10","3","9","1") = "9"
    & skf18("4","2","8","10","3","10","1") = "9"
    & skf18("4","2","8","10","4","1","1") = "9"
    & skf18("4","2","8","10","4","2","1") = "9"
    & skf18("4","2","8","10","4","3","1") = "9"
    & skf18("4","2","8","10","4","4","1") = "9"
    & skf18("4","2","8","10","4","5","1") = "9"
    & skf18("4","2","8","10","4","6","1") = "9"
    & skf18("4","2","8","10","4","7","1") = "9"
    & skf18("4","2","8","10","4","8","1") = "9"
    & skf18("4","2","8","10","4","9","1") = "9"
    & skf18("4","2","8","10","4","10","1") = "9"
    & skf18("4","2","8","10","5","1","1") = "9"
    & skf18("4","2","8","10","5","2","1") = "9"
    & skf18("4","2","8","10","5","3","1") = "9"
    & skf18("4","2","8","10","5","4","1") = "9"
    & skf18("4","2","8","10","5","5","1") = "9"
    & skf18("4","2","8","10","5","6","1") = "9"
    & skf18("4","2","8","10","5","7","1") = "9"
    & skf18("4","2","8","10","5","8","1") = "9"
    & skf18("4","2","8","10","5","9","1") = "9"
    & skf18("4","2","8","10","5","10","1") = "9"
    & skf18("4","2","8","10","6","1","1") = "9"
    & skf18("4","2","8","10","6","2","1") = "9"
    & skf18("4","2","8","10","6","3","1") = "9"
    & skf18("4","2","8","10","6","4","1") = "9"
    & skf18("4","2","8","10","6","5","1") = "9"
    & skf18("4","2","8","10","6","6","1") = "9"
    & skf18("4","2","8","10","6","7","1") = "9"
    & skf18("4","2","8","10","6","8","1") = "9"
    & skf18("4","2","8","10","6","9","1") = "9"
    & skf18("4","2","8","10","6","10","1") = "9"
    & skf18("4","2","8","10","7","1","1") = "9"
    & skf18("4","2","8","10","7","2","1") = "9"
    & skf18("4","2","8","10","7","3","1") = "9"
    & skf18("4","2","8","10","7","4","1") = "9"
    & skf18("4","2","8","10","7","5","1") = "9"
    & skf18("4","2","8","10","7","6","1") = "9"
    & skf18("4","2","8","10","7","7","1") = "9"
    & skf18("4","2","8","10","7","8","1") = "9"
    & skf18("4","2","8","10","7","9","1") = "9"
    & skf18("4","2","8","10","7","10","1") = "9"
    & skf18("4","2","8","10","8","1","1") = "9"
    & skf18("4","2","8","10","8","2","1") = "9"
    & skf18("4","2","8","10","8","3","1") = "9"
    & skf18("4","2","8","10","8","4","1") = "9"
    & skf18("4","2","8","10","8","5","1") = "9"
    & skf18("4","2","8","10","8","6","1") = "9"
    & skf18("4","2","8","10","8","7","1") = "9"
    & skf18("4","2","8","10","8","8","1") = "9"
    & skf18("4","2","8","10","8","9","1") = "9"
    & skf18("4","2","8","10","8","10","1") = "9"
    & skf18("4","2","8","10","9","1","1") = "9"
    & skf18("4","2","8","10","9","2","1") = "9"
    & skf18("4","2","8","10","9","3","1") = "9"
    & skf18("4","2","8","10","9","4","1") = "9"
    & skf18("4","2","8","10","9","5","1") = "9"
    & skf18("4","2","8","10","9","6","1") = "9"
    & skf18("4","2","8","10","9","7","1") = "9"
    & skf18("4","2","8","10","9","8","1") = "9"
    & skf18("4","2","8","10","9","9","1") = "9"
    & skf18("4","2","8","10","9","10","1") = "9"
    & skf18("4","2","8","10","10","1","1") = "9"
    & skf18("4","2","8","10","10","2","1") = "9"
    & skf18("4","2","8","10","10","3","1") = "9"
    & skf18("4","2","8","10","10","4","1") = "9"
    & skf18("4","2","8","10","10","5","1") = "9"
    & skf18("4","2","8","10","10","6","1") = "9"
    & skf18("4","2","8","10","10","7","1") = "9"
    & skf18("4","2","8","10","10","8","1") = "9"
    & skf18("4","2","8","10","10","9","1") = "9"
    & skf18("4","2","8","10","10","10","1") = "9"
    & skf18("4","2","9","1","1","1","1") = "8"
    & skf18("4","2","9","1","1","2","1") = "8"
    & skf18("4","2","9","1","1","3","1") = "8"
    & skf18("4","2","9","1","1","4","1") = "8"
    & skf18("4","2","9","1","1","5","1") = "8"
    & skf18("4","2","9","1","1","6","1") = "8"
    & skf18("4","2","9","1","1","7","1") = "8"
    & skf18("4","2","9","1","1","8","1") = "8"
    & skf18("4","2","9","1","1","9","1") = "8"
    & skf18("4","2","9","1","1","10","1") = "9"
    & skf18("4","2","9","1","2","1","1") = "8"
    & skf18("4","2","9","1","2","2","1") = "8"
    & skf18("4","2","9","1","2","3","1") = "8"
    & skf18("4","2","9","1","2","4","1") = "8"
    & skf18("4","2","9","1","2","5","1") = "8"
    & skf18("4","2","9","1","2","6","1") = "8"
    & skf18("4","2","9","1","2","7","1") = "8"
    & skf18("4","2","9","1","2","8","1") = "8"
    & skf18("4","2","9","1","2","9","1") = "8"
    & skf18("4","2","9","1","2","10","1") = "9"
    & skf18("4","2","9","1","3","1","1") = "8"
    & skf18("4","2","9","1","3","2","1") = "8"
    & skf18("4","2","9","1","3","3","1") = "8"
    & skf18("4","2","9","1","3","4","1") = "8"
    & skf18("4","2","9","1","3","5","1") = "8"
    & skf18("4","2","9","1","3","6","1") = "8"
    & skf18("4","2","9","1","3","7","1") = "8"
    & skf18("4","2","9","1","3","8","1") = "8"
    & skf18("4","2","9","1","3","9","1") = "8"
    & skf18("4","2","9","1","3","10","1") = "9"
    & skf18("4","2","9","1","4","1","1") = "8"
    & skf18("4","2","9","1","4","2","1") = "8"
    & skf18("4","2","9","1","4","3","1") = "8"
    & skf18("4","2","9","1","4","4","1") = "8"
    & skf18("4","2","9","1","4","5","1") = "8"
    & skf18("4","2","9","1","4","6","1") = "8"
    & skf18("4","2","9","1","4","7","1") = "8"
    & skf18("4","2","9","1","4","8","1") = "8"
    & skf18("4","2","9","1","4","9","1") = "8"
    & skf18("4","2","9","1","4","10","1") = "9"
    & skf18("4","2","9","1","5","1","1") = "8"
    & skf18("4","2","9","1","5","2","1") = "8"
    & skf18("4","2","9","1","5","3","1") = "8"
    & skf18("4","2","9","1","5","4","1") = "8"
    & skf18("4","2","9","1","5","5","1") = "8"
    & skf18("4","2","9","1","5","6","1") = "8"
    & skf18("4","2","9","1","5","7","1") = "8"
    & skf18("4","2","9","1","5","8","1") = "8"
    & skf18("4","2","9","1","5","9","1") = "8"
    & skf18("4","2","9","1","5","10","1") = "9"
    & skf18("4","2","9","1","6","1","1") = "8"
    & skf18("4","2","9","1","6","2","1") = "8"
    & skf18("4","2","9","1","6","3","1") = "8"
    & skf18("4","2","9","1","6","4","1") = "8"
    & skf18("4","2","9","1","6","5","1") = "8"
    & skf18("4","2","9","1","6","6","1") = "8"
    & skf18("4","2","9","1","6","7","1") = "8"
    & skf18("4","2","9","1","6","8","1") = "8"
    & skf18("4","2","9","1","6","9","1") = "8"
    & skf18("4","2","9","1","6","10","1") = "9"
    & skf18("4","2","9","1","7","1","1") = "8"
    & skf18("4","2","9","1","7","2","1") = "8"
    & skf18("4","2","9","1","7","3","1") = "8"
    & skf18("4","2","9","1","7","4","1") = "8"
    & skf18("4","2","9","1","7","5","1") = "8"
    & skf18("4","2","9","1","7","6","1") = "8"
    & skf18("4","2","9","1","7","7","1") = "8"
    & skf18("4","2","9","1","7","8","1") = "8"
    & skf18("4","2","9","1","7","9","1") = "8"
    & skf18("4","2","9","1","7","10","1") = "9"
    & skf18("4","2","9","1","8","1","1") = "8"
    & skf18("4","2","9","1","8","2","1") = "8"
    & skf18("4","2","9","1","8","3","1") = "8"
    & skf18("4","2","9","1","8","4","1") = "8"
    & skf18("4","2","9","1","8","5","1") = "8"
    & skf18("4","2","9","1","8","6","1") = "8"
    & skf18("4","2","9","1","8","7","1") = "8"
    & skf18("4","2","9","1","8","8","1") = "8"
    & skf18("4","2","9","1","8","9","1") = "8"
    & skf18("4","2","9","1","8","10","1") = "9"
    & skf18("4","2","9","1","9","1","1") = "8"
    & skf18("4","2","9","1","9","2","1") = "8"
    & skf18("4","2","9","1","9","3","1") = "8"
    & skf18("4","2","9","1","9","4","1") = "8"
    & skf18("4","2","9","1","9","5","1") = "8"
    & skf18("4","2","9","1","9","6","1") = "8"
    & skf18("4","2","9","1","9","7","1") = "8"
    & skf18("4","2","9","1","9","8","1") = "8"
    & skf18("4","2","9","1","9","9","1") = "8"
    & skf18("4","2","9","1","9","10","1") = "9"
    & skf18("4","2","9","1","10","1","1") = "9"
    & skf18("4","2","9","1","10","2","1") = "9"
    & skf18("4","2","9","1","10","3","1") = "9"
    & skf18("4","2","9","1","10","4","1") = "9"
    & skf18("4","2","9","1","10","5","1") = "9"
    & skf18("4","2","9","1","10","6","1") = "9"
    & skf18("4","2","9","1","10","7","1") = "9"
    & skf18("4","2","9","1","10","8","1") = "9"
    & skf18("4","2","9","1","10","9","1") = "9"
    & skf18("4","2","9","1","10","10","1") = "9"
    & skf18("4","2","9","2","1","1","1") = "8"
    & skf18("4","2","9","2","1","2","1") = "8"
    & skf18("4","2","9","2","1","3","1") = "8"
    & skf18("4","2","9","2","1","4","1") = "8"
    & skf18("4","2","9","2","1","5","1") = "8"
    & skf18("4","2","9","2","1","6","1") = "8"
    & skf18("4","2","9","2","1","7","1") = "8"
    & skf18("4","2","9","2","1","8","1") = "8"
    & skf18("4","2","9","2","1","9","1") = "8"
    & skf18("4","2","9","2","1","10","1") = "9"
    & skf18("4","2","9","2","2","1","1") = "8"
    & skf18("4","2","9","2","2","2","1") = "8"
    & skf18("4","2","9","2","2","3","1") = "8"
    & skf18("4","2","9","2","2","4","1") = "8"
    & skf18("4","2","9","2","2","5","1") = "8"
    & skf18("4","2","9","2","2","6","1") = "8"
    & skf18("4","2","9","2","2","7","1") = "8"
    & skf18("4","2","9","2","2","8","1") = "8"
    & skf18("4","2","9","2","2","9","1") = "8"
    & skf18("4","2","9","2","2","10","1") = "9"
    & skf18("4","2","9","2","3","1","1") = "8"
    & skf18("4","2","9","2","3","2","1") = "8"
    & skf18("4","2","9","2","3","3","1") = "8"
    & skf18("4","2","9","2","3","4","1") = "8"
    & skf18("4","2","9","2","3","5","1") = "8"
    & skf18("4","2","9","2","3","6","1") = "8"
    & skf18("4","2","9","2","3","7","1") = "8"
    & skf18("4","2","9","2","3","8","1") = "8"
    & skf18("4","2","9","2","3","9","1") = "8"
    & skf18("4","2","9","2","3","10","1") = "9"
    & skf18("4","2","9","2","4","1","1") = "8"
    & skf18("4","2","9","2","4","2","1") = "8"
    & skf18("4","2","9","2","4","3","1") = "8"
    & skf18("4","2","9","2","4","4","1") = "8"
    & skf18("4","2","9","2","4","5","1") = "8"
    & skf18("4","2","9","2","4","6","1") = "8"
    & skf18("4","2","9","2","4","7","1") = "8"
    & skf18("4","2","9","2","4","8","1") = "8"
    & skf18("4","2","9","2","4","9","1") = "8"
    & skf18("4","2","9","2","4","10","1") = "9"
    & skf18("4","2","9","2","5","1","1") = "8"
    & skf18("4","2","9","2","5","2","1") = "8"
    & skf18("4","2","9","2","5","3","1") = "8"
    & skf18("4","2","9","2","5","4","1") = "8"
    & skf18("4","2","9","2","5","5","1") = "8"
    & skf18("4","2","9","2","5","6","1") = "8"
    & skf18("4","2","9","2","5","7","1") = "8"
    & skf18("4","2","9","2","5","8","1") = "8"
    & skf18("4","2","9","2","5","9","1") = "8"
    & skf18("4","2","9","2","5","10","1") = "9"
    & skf18("4","2","9","2","6","1","1") = "8"
    & skf18("4","2","9","2","6","2","1") = "8"
    & skf18("4","2","9","2","6","3","1") = "8"
    & skf18("4","2","9","2","6","4","1") = "8"
    & skf18("4","2","9","2","6","5","1") = "8"
    & skf18("4","2","9","2","6","6","1") = "8"
    & skf18("4","2","9","2","6","7","1") = "8"
    & skf18("4","2","9","2","6","8","1") = "8"
    & skf18("4","2","9","2","6","9","1") = "8"
    & skf18("4","2","9","2","6","10","1") = "9"
    & skf18("4","2","9","2","7","1","1") = "8"
    & skf18("4","2","9","2","7","2","1") = "8"
    & skf18("4","2","9","2","7","3","1") = "8"
    & skf18("4","2","9","2","7","4","1") = "8"
    & skf18("4","2","9","2","7","5","1") = "8"
    & skf18("4","2","9","2","7","6","1") = "8"
    & skf18("4","2","9","2","7","7","1") = "8"
    & skf18("4","2","9","2","7","8","1") = "8"
    & skf18("4","2","9","2","7","9","1") = "8"
    & skf18("4","2","9","2","7","10","1") = "9"
    & skf18("4","2","9","2","8","1","1") = "8"
    & skf18("4","2","9","2","8","2","1") = "8"
    & skf18("4","2","9","2","8","3","1") = "8"
    & skf18("4","2","9","2","8","4","1") = "8"
    & skf18("4","2","9","2","8","5","1") = "8"
    & skf18("4","2","9","2","8","6","1") = "8"
    & skf18("4","2","9","2","8","7","1") = "8"
    & skf18("4","2","9","2","8","8","1") = "8"
    & skf18("4","2","9","2","8","9","1") = "8"
    & skf18("4","2","9","2","8","10","1") = "9"
    & skf18("4","2","9","2","9","1","1") = "8"
    & skf18("4","2","9","2","9","2","1") = "8"
    & skf18("4","2","9","2","9","3","1") = "8"
    & skf18("4","2","9","2","9","4","1") = "8"
    & skf18("4","2","9","2","9","5","1") = "8"
    & skf18("4","2","9","2","9","6","1") = "8"
    & skf18("4","2","9","2","9","7","1") = "8"
    & skf18("4","2","9","2","9","8","1") = "8"
    & skf18("4","2","9","2","9","9","1") = "8"
    & skf18("4","2","9","2","9","10","1") = "9"
    & skf18("4","2","9","2","10","1","1") = "9"
    & skf18("4","2","9","2","10","2","1") = "9"
    & skf18("4","2","9","2","10","3","1") = "9"
    & skf18("4","2","9","2","10","4","1") = "9"
    & skf18("4","2","9","2","10","5","1") = "9"
    & skf18("4","2","9","2","10","6","1") = "9"
    & skf18("4","2","9","2","10","7","1") = "9"
    & skf18("4","2","9","2","10","8","1") = "9"
    & skf18("4","2","9","2","10","9","1") = "9"
    & skf18("4","2","9","2","10","10","1") = "9"
    & skf18("4","2","9","3","1","1","1") = "8"
    & skf18("4","2","9","3","1","2","1") = "8"
    & skf18("4","2","9","3","1","3","1") = "8"
    & skf18("4","2","9","3","1","4","1") = "8"
    & skf18("4","2","9","3","1","5","1") = "8"
    & skf18("4","2","9","3","1","6","1") = "8"
    & skf18("4","2","9","3","1","7","1") = "8"
    & skf18("4","2","9","3","1","8","1") = "8"
    & skf18("4","2","9","3","1","9","1") = "8"
    & skf18("4","2","9","3","1","10","1") = "9"
    & skf18("4","2","9","3","2","1","1") = "8"
    & skf18("4","2","9","3","2","2","1") = "8"
    & skf18("4","2","9","3","2","3","1") = "8"
    & skf18("4","2","9","3","2","4","1") = "8"
    & skf18("4","2","9","3","2","5","1") = "8"
    & skf18("4","2","9","3","2","6","1") = "8"
    & skf18("4","2","9","3","2","7","1") = "8"
    & skf18("4","2","9","3","2","8","1") = "8"
    & skf18("4","2","9","3","2","9","1") = "8"
    & skf18("4","2","9","3","2","10","1") = "9"
    & skf18("4","2","9","3","3","1","1") = "8"
    & skf18("4","2","9","3","3","2","1") = "8"
    & skf18("4","2","9","3","3","3","1") = "8"
    & skf18("4","2","9","3","3","4","1") = "8"
    & skf18("4","2","9","3","3","5","1") = "8"
    & skf18("4","2","9","3","3","6","1") = "8"
    & skf18("4","2","9","3","3","7","1") = "8"
    & skf18("4","2","9","3","3","8","1") = "8"
    & skf18("4","2","9","3","3","9","1") = "8"
    & skf18("4","2","9","3","3","10","1") = "9"
    & skf18("4","2","9","3","4","1","1") = "8"
    & skf18("4","2","9","3","4","2","1") = "8"
    & skf18("4","2","9","3","4","3","1") = "8"
    & skf18("4","2","9","3","4","4","1") = "8"
    & skf18("4","2","9","3","4","5","1") = "8"
    & skf18("4","2","9","3","4","6","1") = "8"
    & skf18("4","2","9","3","4","7","1") = "8"
    & skf18("4","2","9","3","4","8","1") = "8"
    & skf18("4","2","9","3","4","9","1") = "8"
    & skf18("4","2","9","3","4","10","1") = "9"
    & skf18("4","2","9","3","5","1","1") = "8"
    & skf18("4","2","9","3","5","2","1") = "8"
    & skf18("4","2","9","3","5","3","1") = "8"
    & skf18("4","2","9","3","5","4","1") = "8"
    & skf18("4","2","9","3","5","5","1") = "8"
    & skf18("4","2","9","3","5","6","1") = "8"
    & skf18("4","2","9","3","5","7","1") = "8"
    & skf18("4","2","9","3","5","8","1") = "8"
    & skf18("4","2","9","3","5","9","1") = "8"
    & skf18("4","2","9","3","5","10","1") = "9"
    & skf18("4","2","9","3","6","1","1") = "8"
    & skf18("4","2","9","3","6","2","1") = "8"
    & skf18("4","2","9","3","6","3","1") = "8"
    & skf18("4","2","9","3","6","4","1") = "8"
    & skf18("4","2","9","3","6","5","1") = "8"
    & skf18("4","2","9","3","6","6","1") = "8"
    & skf18("4","2","9","3","6","7","1") = "8"
    & skf18("4","2","9","3","6","8","1") = "8"
    & skf18("4","2","9","3","6","9","1") = "8"
    & skf18("4","2","9","3","6","10","1") = "9"
    & skf18("4","2","9","3","7","1","1") = "8"
    & skf18("4","2","9","3","7","2","1") = "8"
    & skf18("4","2","9","3","7","3","1") = "8"
    & skf18("4","2","9","3","7","4","1") = "8"
    & skf18("4","2","9","3","7","5","1") = "8"
    & skf18("4","2","9","3","7","6","1") = "8"
    & skf18("4","2","9","3","7","7","1") = "8"
    & skf18("4","2","9","3","7","8","1") = "8"
    & skf18("4","2","9","3","7","9","1") = "8"
    & skf18("4","2","9","3","7","10","1") = "9"
    & skf18("4","2","9","3","8","1","1") = "8"
    & skf18("4","2","9","3","8","2","1") = "8"
    & skf18("4","2","9","3","8","3","1") = "8"
    & skf18("4","2","9","3","8","4","1") = "8"
    & skf18("4","2","9","3","8","5","1") = "8"
    & skf18("4","2","9","3","8","6","1") = "8"
    & skf18("4","2","9","3","8","7","1") = "8"
    & skf18("4","2","9","3","8","8","1") = "8"
    & skf18("4","2","9","3","8","9","1") = "8"
    & skf18("4","2","9","3","8","10","1") = "9"
    & skf18("4","2","9","3","9","1","1") = "8"
    & skf18("4","2","9","3","9","2","1") = "8"
    & skf18("4","2","9","3","9","3","1") = "8"
    & skf18("4","2","9","3","9","4","1") = "8"
    & skf18("4","2","9","3","9","5","1") = "8"
    & skf18("4","2","9","3","9","6","1") = "8"
    & skf18("4","2","9","3","9","7","1") = "8"
    & skf18("4","2","9","3","9","8","1") = "8"
    & skf18("4","2","9","3","9","9","1") = "8"
    & skf18("4","2","9","3","9","10","1") = "9"
    & skf18("4","2","9","3","10","1","1") = "9"
    & skf18("4","2","9","3","10","2","1") = "9"
    & skf18("4","2","9","3","10","3","1") = "9"
    & skf18("4","2","9","3","10","4","1") = "9"
    & skf18("4","2","9","3","10","5","1") = "9"
    & skf18("4","2","9","3","10","6","1") = "9"
    & skf18("4","2","9","3","10","7","1") = "9"
    & skf18("4","2","9","3","10","8","1") = "9"
    & skf18("4","2","9","3","10","9","1") = "9"
    & skf18("4","2","9","3","10","10","1") = "9"
    & skf18("4","2","9","4","1","1","1") = "8"
    & skf18("4","2","9","4","1","2","1") = "8"
    & skf18("4","2","9","4","1","3","1") = "8"
    & skf18("4","2","9","4","1","4","1") = "8"
    & skf18("4","2","9","4","1","5","1") = "8"
    & skf18("4","2","9","4","1","6","1") = "8"
    & skf18("4","2","9","4","1","7","1") = "8"
    & skf18("4","2","9","4","1","8","1") = "8"
    & skf18("4","2","9","4","1","9","1") = "8"
    & skf18("4","2","9","4","1","10","1") = "9"
    & skf18("4","2","9","4","2","1","1") = "8"
    & skf18("4","2","9","4","2","2","1") = "8"
    & skf18("4","2","9","4","2","3","1") = "8"
    & skf18("4","2","9","4","2","4","1") = "8"
    & skf18("4","2","9","4","2","5","1") = "8"
    & skf18("4","2","9","4","2","6","1") = "8"
    & skf18("4","2","9","4","2","7","1") = "8"
    & skf18("4","2","9","4","2","8","1") = "8"
    & skf18("4","2","9","4","2","9","1") = "8"
    & skf18("4","2","9","4","2","10","1") = "9"
    & skf18("4","2","9","4","3","1","1") = "8"
    & skf18("4","2","9","4","3","2","1") = "8"
    & skf18("4","2","9","4","3","3","1") = "8"
    & skf18("4","2","9","4","3","4","1") = "8"
    & skf18("4","2","9","4","3","5","1") = "8"
    & skf18("4","2","9","4","3","6","1") = "8"
    & skf18("4","2","9","4","3","7","1") = "8"
    & skf18("4","2","9","4","3","8","1") = "8"
    & skf18("4","2","9","4","3","9","1") = "8"
    & skf18("4","2","9","4","3","10","1") = "9"
    & skf18("4","2","9","4","4","1","1") = "8"
    & skf18("4","2","9","4","4","2","1") = "8"
    & skf18("4","2","9","4","4","3","1") = "8"
    & skf18("4","2","9","4","4","4","1") = "8"
    & skf18("4","2","9","4","4","5","1") = "8"
    & skf18("4","2","9","4","4","6","1") = "8"
    & skf18("4","2","9","4","4","7","1") = "8"
    & skf18("4","2","9","4","4","8","1") = "8"
    & skf18("4","2","9","4","4","9","1") = "8"
    & skf18("4","2","9","4","4","10","1") = "9"
    & skf18("4","2","9","4","5","1","1") = "8"
    & skf18("4","2","9","4","5","2","1") = "8"
    & skf18("4","2","9","4","5","3","1") = "8"
    & skf18("4","2","9","4","5","4","1") = "8"
    & skf18("4","2","9","4","5","5","1") = "8"
    & skf18("4","2","9","4","5","6","1") = "8"
    & skf18("4","2","9","4","5","7","1") = "8"
    & skf18("4","2","9","4","5","8","1") = "8"
    & skf18("4","2","9","4","5","9","1") = "8"
    & skf18("4","2","9","4","5","10","1") = "9"
    & skf18("4","2","9","4","6","1","1") = "8"
    & skf18("4","2","9","4","6","2","1") = "8"
    & skf18("4","2","9","4","6","3","1") = "8"
    & skf18("4","2","9","4","6","4","1") = "8"
    & skf18("4","2","9","4","6","5","1") = "8"
    & skf18("4","2","9","4","6","6","1") = "8"
    & skf18("4","2","9","4","6","7","1") = "8"
    & skf18("4","2","9","4","6","8","1") = "8"
    & skf18("4","2","9","4","6","9","1") = "8"
    & skf18("4","2","9","4","6","10","1") = "9"
    & skf18("4","2","9","4","7","1","1") = "8"
    & skf18("4","2","9","4","7","2","1") = "8"
    & skf18("4","2","9","4","7","3","1") = "8"
    & skf18("4","2","9","4","7","4","1") = "8"
    & skf18("4","2","9","4","7","5","1") = "8"
    & skf18("4","2","9","4","7","6","1") = "8"
    & skf18("4","2","9","4","7","7","1") = "8"
    & skf18("4","2","9","4","7","8","1") = "8"
    & skf18("4","2","9","4","7","9","1") = "8"
    & skf18("4","2","9","4","7","10","1") = "9"
    & skf18("4","2","9","4","8","1","1") = "8"
    & skf18("4","2","9","4","8","2","1") = "8"
    & skf18("4","2","9","4","8","3","1") = "8"
    & skf18("4","2","9","4","8","4","1") = "8"
    & skf18("4","2","9","4","8","5","1") = "8"
    & skf18("4","2","9","4","8","6","1") = "8"
    & skf18("4","2","9","4","8","7","1") = "8"
    & skf18("4","2","9","4","8","8","1") = "8"
    & skf18("4","2","9","4","8","9","1") = "8"
    & skf18("4","2","9","4","8","10","1") = "9"
    & skf18("4","2","9","4","9","1","1") = "8"
    & skf18("4","2","9","4","9","2","1") = "8"
    & skf18("4","2","9","4","9","3","1") = "8"
    & skf18("4","2","9","4","9","4","1") = "8"
    & skf18("4","2","9","4","9","5","1") = "8"
    & skf18("4","2","9","4","9","6","1") = "8"
    & skf18("4","2","9","4","9","7","1") = "8"
    & skf18("4","2","9","4","9","8","1") = "8"
    & skf18("4","2","9","4","9","9","1") = "8"
    & skf18("4","2","9","4","9","10","1") = "9"
    & skf18("4","2","9","4","10","1","1") = "9"
    & skf18("4","2","9","4","10","2","1") = "9"
    & skf18("4","2","9","4","10","3","1") = "9"
    & skf18("4","2","9","4","10","4","1") = "9"
    & skf18("4","2","9","4","10","5","1") = "9"
    & skf18("4","2","9","4","10","6","1") = "9"
    & skf18("4","2","9","4","10","7","1") = "9"
    & skf18("4","2","9","4","10","8","1") = "9"
    & skf18("4","2","9","4","10","9","1") = "9"
    & skf18("4","2","9","4","10","10","1") = "9"
    & skf18("4","2","9","5","1","1","1") = "8"
    & skf18("4","2","9","5","1","2","1") = "8"
    & skf18("4","2","9","5","1","3","1") = "8"
    & skf18("4","2","9","5","1","4","1") = "8"
    & skf18("4","2","9","5","1","5","1") = "8"
    & skf18("4","2","9","5","1","6","1") = "8"
    & skf18("4","2","9","5","1","7","1") = "8"
    & skf18("4","2","9","5","1","8","1") = "8"
    & skf18("4","2","9","5","1","9","1") = "8"
    & skf18("4","2","9","5","1","10","1") = "9"
    & skf18("4","2","9","5","2","1","1") = "8"
    & skf18("4","2","9","5","2","2","1") = "8"
    & skf18("4","2","9","5","2","3","1") = "8"
    & skf18("4","2","9","5","2","4","1") = "8"
    & skf18("4","2","9","5","2","5","1") = "8"
    & skf18("4","2","9","5","2","6","1") = "8"
    & skf18("4","2","9","5","2","7","1") = "8"
    & skf18("4","2","9","5","2","8","1") = "8"
    & skf18("4","2","9","5","2","9","1") = "8"
    & skf18("4","2","9","5","2","10","1") = "9"
    & skf18("4","2","9","5","3","1","1") = "8"
    & skf18("4","2","9","5","3","2","1") = "8"
    & skf18("4","2","9","5","3","3","1") = "8"
    & skf18("4","2","9","5","3","4","1") = "8"
    & skf18("4","2","9","5","3","5","1") = "8"
    & skf18("4","2","9","5","3","6","1") = "8"
    & skf18("4","2","9","5","3","7","1") = "8"
    & skf18("4","2","9","5","3","8","1") = "8"
    & skf18("4","2","9","5","3","9","1") = "8"
    & skf18("4","2","9","5","3","10","1") = "9"
    & skf18("4","2","9","5","4","1","1") = "8"
    & skf18("4","2","9","5","4","2","1") = "8"
    & skf18("4","2","9","5","4","3","1") = "8"
    & skf18("4","2","9","5","4","4","1") = "8"
    & skf18("4","2","9","5","4","5","1") = "8"
    & skf18("4","2","9","5","4","6","1") = "8"
    & skf18("4","2","9","5","4","7","1") = "8"
    & skf18("4","2","9","5","4","8","1") = "8"
    & skf18("4","2","9","5","4","9","1") = "8"
    & skf18("4","2","9","5","4","10","1") = "9"
    & skf18("4","2","9","5","5","1","1") = "8"
    & skf18("4","2","9","5","5","2","1") = "8"
    & skf18("4","2","9","5","5","3","1") = "8"
    & skf18("4","2","9","5","5","4","1") = "8"
    & skf18("4","2","9","5","5","5","1") = "8"
    & skf18("4","2","9","5","5","6","1") = "8"
    & skf18("4","2","9","5","5","7","1") = "8"
    & skf18("4","2","9","5","5","8","1") = "8"
    & skf18("4","2","9","5","5","9","1") = "8"
    & skf18("4","2","9","5","5","10","1") = "9"
    & skf18("4","2","9","5","6","1","1") = "8"
    & skf18("4","2","9","5","6","2","1") = "8"
    & skf18("4","2","9","5","6","3","1") = "8"
    & skf18("4","2","9","5","6","4","1") = "8"
    & skf18("4","2","9","5","6","5","1") = "8"
    & skf18("4","2","9","5","6","6","1") = "8"
    & skf18("4","2","9","5","6","7","1") = "8"
    & skf18("4","2","9","5","6","8","1") = "8"
    & skf18("4","2","9","5","6","9","1") = "8"
    & skf18("4","2","9","5","6","10","1") = "9"
    & skf18("4","2","9","5","7","1","1") = "8"
    & skf18("4","2","9","5","7","2","1") = "8"
    & skf18("4","2","9","5","7","3","1") = "8"
    & skf18("4","2","9","5","7","4","1") = "8"
    & skf18("4","2","9","5","7","5","1") = "8"
    & skf18("4","2","9","5","7","6","1") = "8"
    & skf18("4","2","9","5","7","7","1") = "8"
    & skf18("4","2","9","5","7","8","1") = "8"
    & skf18("4","2","9","5","7","9","1") = "8"
    & skf18("4","2","9","5","7","10","1") = "9"
    & skf18("4","2","9","5","8","1","1") = "8"
    & skf18("4","2","9","5","8","2","1") = "8"
    & skf18("4","2","9","5","8","3","1") = "8"
    & skf18("4","2","9","5","8","4","1") = "8"
    & skf18("4","2","9","5","8","5","1") = "8"
    & skf18("4","2","9","5","8","6","1") = "8"
    & skf18("4","2","9","5","8","7","1") = "8"
    & skf18("4","2","9","5","8","8","1") = "8"
    & skf18("4","2","9","5","8","9","1") = "8"
    & skf18("4","2","9","5","8","10","1") = "9"
    & skf18("4","2","9","5","9","1","1") = "8"
    & skf18("4","2","9","5","9","2","1") = "8"
    & skf18("4","2","9","5","9","3","1") = "8"
    & skf18("4","2","9","5","9","4","1") = "8"
    & skf18("4","2","9","5","9","5","1") = "8"
    & skf18("4","2","9","5","9","6","1") = "8"
    & skf18("4","2","9","5","9","7","1") = "8"
    & skf18("4","2","9","5","9","8","1") = "8"
    & skf18("4","2","9","5","9","9","1") = "8"
    & skf18("4","2","9","5","9","10","1") = "9"
    & skf18("4","2","9","5","10","1","1") = "9"
    & skf18("4","2","9","5","10","2","1") = "9"
    & skf18("4","2","9","5","10","3","1") = "9"
    & skf18("4","2","9","5","10","4","1") = "9"
    & skf18("4","2","9","5","10","5","1") = "9"
    & skf18("4","2","9","5","10","6","1") = "9"
    & skf18("4","2","9","5","10","7","1") = "9"
    & skf18("4","2","9","5","10","8","1") = "9"
    & skf18("4","2","9","5","10","9","1") = "9"
    & skf18("4","2","9","5","10","10","1") = "9"
    & skf18("4","2","9","6","1","1","1") = "8"
    & skf18("4","2","9","6","1","2","1") = "8"
    & skf18("4","2","9","6","1","3","1") = "8"
    & skf18("4","2","9","6","1","4","1") = "8"
    & skf18("4","2","9","6","1","5","1") = "8"
    & skf18("4","2","9","6","1","6","1") = "8"
    & skf18("4","2","9","6","1","7","1") = "8"
    & skf18("4","2","9","6","1","8","1") = "8"
    & skf18("4","2","9","6","1","9","1") = "8"
    & skf18("4","2","9","6","1","10","1") = "9"
    & skf18("4","2","9","6","2","1","1") = "8"
    & skf18("4","2","9","6","2","2","1") = "8"
    & skf18("4","2","9","6","2","3","1") = "8"
    & skf18("4","2","9","6","2","4","1") = "8"
    & skf18("4","2","9","6","2","5","1") = "8"
    & skf18("4","2","9","6","2","6","1") = "8"
    & skf18("4","2","9","6","2","7","1") = "8"
    & skf18("4","2","9","6","2","8","1") = "8"
    & skf18("4","2","9","6","2","9","1") = "8"
    & skf18("4","2","9","6","2","10","1") = "9"
    & skf18("4","2","9","6","3","1","1") = "8"
    & skf18("4","2","9","6","3","2","1") = "8"
    & skf18("4","2","9","6","3","3","1") = "8"
    & skf18("4","2","9","6","3","4","1") = "8"
    & skf18("4","2","9","6","3","5","1") = "8"
    & skf18("4","2","9","6","3","6","1") = "8"
    & skf18("4","2","9","6","3","7","1") = "8"
    & skf18("4","2","9","6","3","8","1") = "8"
    & skf18("4","2","9","6","3","9","1") = "8"
    & skf18("4","2","9","6","3","10","1") = "9"
    & skf18("4","2","9","6","4","1","1") = "8"
    & skf18("4","2","9","6","4","2","1") = "8"
    & skf18("4","2","9","6","4","3","1") = "8"
    & skf18("4","2","9","6","4","4","1") = "8"
    & skf18("4","2","9","6","4","5","1") = "8"
    & skf18("4","2","9","6","4","6","1") = "8"
    & skf18("4","2","9","6","4","7","1") = "8"
    & skf18("4","2","9","6","4","8","1") = "8"
    & skf18("4","2","9","6","4","9","1") = "8"
    & skf18("4","2","9","6","4","10","1") = "9"
    & skf18("4","2","9","6","5","1","1") = "8"
    & skf18("4","2","9","6","5","2","1") = "8"
    & skf18("4","2","9","6","5","3","1") = "8"
    & skf18("4","2","9","6","5","4","1") = "8"
    & skf18("4","2","9","6","5","5","1") = "8"
    & skf18("4","2","9","6","5","6","1") = "8"
    & skf18("4","2","9","6","5","7","1") = "8"
    & skf18("4","2","9","6","5","8","1") = "8"
    & skf18("4","2","9","6","5","9","1") = "8"
    & skf18("4","2","9","6","5","10","1") = "9"
    & skf18("4","2","9","6","6","1","1") = "8"
    & skf18("4","2","9","6","6","2","1") = "8"
    & skf18("4","2","9","6","6","3","1") = "8"
    & skf18("4","2","9","6","6","4","1") = "8"
    & skf18("4","2","9","6","6","5","1") = "8"
    & skf18("4","2","9","6","6","6","1") = "8"
    & skf18("4","2","9","6","6","7","1") = "8"
    & skf18("4","2","9","6","6","8","1") = "8"
    & skf18("4","2","9","6","6","9","1") = "8"
    & skf18("4","2","9","6","6","10","1") = "9"
    & skf18("4","2","9","6","7","1","1") = "8"
    & skf18("4","2","9","6","7","2","1") = "8"
    & skf18("4","2","9","6","7","3","1") = "8"
    & skf18("4","2","9","6","7","4","1") = "8"
    & skf18("4","2","9","6","7","5","1") = "8"
    & skf18("4","2","9","6","7","6","1") = "8"
    & skf18("4","2","9","6","7","7","1") = "8"
    & skf18("4","2","9","6","7","8","1") = "8"
    & skf18("4","2","9","6","7","9","1") = "8"
    & skf18("4","2","9","6","7","10","1") = "9"
    & skf18("4","2","9","6","8","1","1") = "8"
    & skf18("4","2","9","6","8","2","1") = "8"
    & skf18("4","2","9","6","8","3","1") = "8"
    & skf18("4","2","9","6","8","4","1") = "8"
    & skf18("4","2","9","6","8","5","1") = "8"
    & skf18("4","2","9","6","8","6","1") = "8"
    & skf18("4","2","9","6","8","7","1") = "8"
    & skf18("4","2","9","6","8","8","1") = "8"
    & skf18("4","2","9","6","8","9","1") = "8"
    & skf18("4","2","9","6","8","10","1") = "9"
    & skf18("4","2","9","6","9","1","1") = "8"
    & skf18("4","2","9","6","9","2","1") = "8"
    & skf18("4","2","9","6","9","3","1") = "8"
    & skf18("4","2","9","6","9","4","1") = "8"
    & skf18("4","2","9","6","9","5","1") = "8"
    & skf18("4","2","9","6","9","6","1") = "8"
    & skf18("4","2","9","6","9","7","1") = "8"
    & skf18("4","2","9","6","9","8","1") = "8"
    & skf18("4","2","9","6","9","9","1") = "8"
    & skf18("4","2","9","6","9","10","1") = "9"
    & skf18("4","2","9","6","10","1","1") = "9"
    & skf18("4","2","9","6","10","2","1") = "9"
    & skf18("4","2","9","6","10","3","1") = "9"
    & skf18("4","2","9","6","10","4","1") = "9"
    & skf18("4","2","9","6","10","5","1") = "9"
    & skf18("4","2","9","6","10","6","1") = "9"
    & skf18("4","2","9","6","10","7","1") = "9"
    & skf18("4","2","9","6","10","8","1") = "9"
    & skf18("4","2","9","6","10","9","1") = "9"
    & skf18("4","2","9","6","10","10","1") = "9"
    & skf18("4","2","9","7","1","1","1") = "8"
    & skf18("4","2","9","7","1","2","1") = "8"
    & skf18("4","2","9","7","1","3","1") = "8"
    & skf18("4","2","9","7","1","4","1") = "8"
    & skf18("4","2","9","7","1","5","1") = "8"
    & skf18("4","2","9","7","1","6","1") = "8"
    & skf18("4","2","9","7","1","7","1") = "8"
    & skf18("4","2","9","7","1","8","1") = "8"
    & skf18("4","2","9","7","1","9","1") = "8"
    & skf18("4","2","9","7","1","10","1") = "9"
    & skf18("4","2","9","7","2","1","1") = "8"
    & skf18("4","2","9","7","2","2","1") = "8"
    & skf18("4","2","9","7","2","3","1") = "8"
    & skf18("4","2","9","7","2","4","1") = "8"
    & skf18("4","2","9","7","2","5","1") = "8"
    & skf18("4","2","9","7","2","6","1") = "8"
    & skf18("4","2","9","7","2","7","1") = "8"
    & skf18("4","2","9","7","2","8","1") = "8"
    & skf18("4","2","9","7","2","9","1") = "8"
    & skf18("4","2","9","7","2","10","1") = "9"
    & skf18("4","2","9","7","3","1","1") = "8"
    & skf18("4","2","9","7","3","2","1") = "8"
    & skf18("4","2","9","7","3","3","1") = "8"
    & skf18("4","2","9","7","3","4","1") = "8"
    & skf18("4","2","9","7","3","5","1") = "8"
    & skf18("4","2","9","7","3","6","1") = "8"
    & skf18("4","2","9","7","3","7","1") = "8"
    & skf18("4","2","9","7","3","8","1") = "8"
    & skf18("4","2","9","7","3","9","1") = "8"
    & skf18("4","2","9","7","3","10","1") = "9"
    & skf18("4","2","9","7","4","1","1") = "8"
    & skf18("4","2","9","7","4","2","1") = "8"
    & skf18("4","2","9","7","4","3","1") = "8"
    & skf18("4","2","9","7","4","4","1") = "8"
    & skf18("4","2","9","7","4","5","1") = "8"
    & skf18("4","2","9","7","4","6","1") = "8"
    & skf18("4","2","9","7","4","7","1") = "8"
    & skf18("4","2","9","7","4","8","1") = "8"
    & skf18("4","2","9","7","4","9","1") = "8"
    & skf18("4","2","9","7","4","10","1") = "9"
    & skf18("4","2","9","7","5","1","1") = "8"
    & skf18("4","2","9","7","5","2","1") = "8"
    & skf18("4","2","9","7","5","3","1") = "8"
    & skf18("4","2","9","7","5","4","1") = "8"
    & skf18("4","2","9","7","5","5","1") = "8"
    & skf18("4","2","9","7","5","6","1") = "8"
    & skf18("4","2","9","7","5","7","1") = "8"
    & skf18("4","2","9","7","5","8","1") = "8"
    & skf18("4","2","9","7","5","9","1") = "8"
    & skf18("4","2","9","7","5","10","1") = "9"
    & skf18("4","2","9","7","6","1","1") = "8"
    & skf18("4","2","9","7","6","2","1") = "8"
    & skf18("4","2","9","7","6","3","1") = "8"
    & skf18("4","2","9","7","6","4","1") = "8"
    & skf18("4","2","9","7","6","5","1") = "8"
    & skf18("4","2","9","7","6","6","1") = "8"
    & skf18("4","2","9","7","6","7","1") = "8"
    & skf18("4","2","9","7","6","8","1") = "8"
    & skf18("4","2","9","7","6","9","1") = "8"
    & skf18("4","2","9","7","6","10","1") = "9"
    & skf18("4","2","9","7","7","1","1") = "8"
    & skf18("4","2","9","7","7","2","1") = "8"
    & skf18("4","2","9","7","7","3","1") = "8"
    & skf18("4","2","9","7","7","4","1") = "8"
    & skf18("4","2","9","7","7","5","1") = "8"
    & skf18("4","2","9","7","7","6","1") = "8"
    & skf18("4","2","9","7","7","7","1") = "8"
    & skf18("4","2","9","7","7","8","1") = "8"
    & skf18("4","2","9","7","7","9","1") = "8"
    & skf18("4","2","9","7","7","10","1") = "9"
    & skf18("4","2","9","7","8","1","1") = "8"
    & skf18("4","2","9","7","8","2","1") = "8"
    & skf18("4","2","9","7","8","3","1") = "8"
    & skf18("4","2","9","7","8","4","1") = "8"
    & skf18("4","2","9","7","8","5","1") = "8"
    & skf18("4","2","9","7","8","6","1") = "8"
    & skf18("4","2","9","7","8","7","1") = "8"
    & skf18("4","2","9","7","8","8","1") = "8"
    & skf18("4","2","9","7","8","9","1") = "8"
    & skf18("4","2","9","7","8","10","1") = "9"
    & skf18("4","2","9","7","9","1","1") = "8"
    & skf18("4","2","9","7","9","2","1") = "8"
    & skf18("4","2","9","7","9","3","1") = "8"
    & skf18("4","2","9","7","9","4","1") = "8"
    & skf18("4","2","9","7","9","5","1") = "8"
    & skf18("4","2","9","7","9","6","1") = "8"
    & skf18("4","2","9","7","9","7","1") = "8"
    & skf18("4","2","9","7","9","8","1") = "8"
    & skf18("4","2","9","7","9","9","1") = "8"
    & skf18("4","2","9","7","9","10","1") = "9"
    & skf18("4","2","9","7","10","1","1") = "9"
    & skf18("4","2","9","7","10","2","1") = "9"
    & skf18("4","2","9","7","10","3","1") = "9"
    & skf18("4","2","9","7","10","4","1") = "9"
    & skf18("4","2","9","7","10","5","1") = "9"
    & skf18("4","2","9","7","10","6","1") = "9"
    & skf18("4","2","9","7","10","7","1") = "9"
    & skf18("4","2","9","7","10","8","1") = "9"
    & skf18("4","2","9","7","10","9","1") = "9"
    & skf18("4","2","9","7","10","10","1") = "9"
    & skf18("4","2","9","8","1","1","1") = "8"
    & skf18("4","2","9","8","1","2","1") = "8"
    & skf18("4","2","9","8","1","3","1") = "8"
    & skf18("4","2","9","8","1","4","1") = "8"
    & skf18("4","2","9","8","1","5","1") = "8"
    & skf18("4","2","9","8","1","6","1") = "8"
    & skf18("4","2","9","8","1","7","1") = "8"
    & skf18("4","2","9","8","1","8","1") = "8"
    & skf18("4","2","9","8","1","9","1") = "8"
    & skf18("4","2","9","8","1","10","1") = "9"
    & skf18("4","2","9","8","2","1","1") = "8"
    & skf18("4","2","9","8","2","2","1") = "8"
    & skf18("4","2","9","8","2","3","1") = "8"
    & skf18("4","2","9","8","2","4","1") = "8"
    & skf18("4","2","9","8","2","5","1") = "8"
    & skf18("4","2","9","8","2","6","1") = "8"
    & skf18("4","2","9","8","2","7","1") = "8"
    & skf18("4","2","9","8","2","8","1") = "8"
    & skf18("4","2","9","8","2","9","1") = "8"
    & skf18("4","2","9","8","2","10","1") = "9"
    & skf18("4","2","9","8","3","1","1") = "8"
    & skf18("4","2","9","8","3","2","1") = "8"
    & skf18("4","2","9","8","3","3","1") = "8"
    & skf18("4","2","9","8","3","4","1") = "8"
    & skf18("4","2","9","8","3","5","1") = "8"
    & skf18("4","2","9","8","3","6","1") = "8"
    & skf18("4","2","9","8","3","7","1") = "8"
    & skf18("4","2","9","8","3","8","1") = "8"
    & skf18("4","2","9","8","3","9","1") = "8"
    & skf18("4","2","9","8","3","10","1") = "9"
    & skf18("4","2","9","8","4","1","1") = "8"
    & skf18("4","2","9","8","4","2","1") = "8"
    & skf18("4","2","9","8","4","3","1") = "8"
    & skf18("4","2","9","8","4","4","1") = "8"
    & skf18("4","2","9","8","4","5","1") = "8"
    & skf18("4","2","9","8","4","6","1") = "8"
    & skf18("4","2","9","8","4","7","1") = "8"
    & skf18("4","2","9","8","4","8","1") = "8"
    & skf18("4","2","9","8","4","9","1") = "8"
    & skf18("4","2","9","8","4","10","1") = "9"
    & skf18("4","2","9","8","5","1","1") = "8"
    & skf18("4","2","9","8","5","2","1") = "8"
    & skf18("4","2","9","8","5","3","1") = "8"
    & skf18("4","2","9","8","5","4","1") = "8"
    & skf18("4","2","9","8","5","5","1") = "8"
    & skf18("4","2","9","8","5","6","1") = "8"
    & skf18("4","2","9","8","5","7","1") = "8"
    & skf18("4","2","9","8","5","8","1") = "8"
    & skf18("4","2","9","8","5","9","1") = "8"
    & skf18("4","2","9","8","5","10","1") = "9"
    & skf18("4","2","9","8","6","1","1") = "8"
    & skf18("4","2","9","8","6","2","1") = "8"
    & skf18("4","2","9","8","6","3","1") = "8"
    & skf18("4","2","9","8","6","4","1") = "8"
    & skf18("4","2","9","8","6","5","1") = "8"
    & skf18("4","2","9","8","6","6","1") = "8"
    & skf18("4","2","9","8","6","7","1") = "8"
    & skf18("4","2","9","8","6","8","1") = "8"
    & skf18("4","2","9","8","6","9","1") = "8"
    & skf18("4","2","9","8","6","10","1") = "9"
    & skf18("4","2","9","8","7","1","1") = "8"
    & skf18("4","2","9","8","7","2","1") = "8"
    & skf18("4","2","9","8","7","3","1") = "8"
    & skf18("4","2","9","8","7","4","1") = "8"
    & skf18("4","2","9","8","7","5","1") = "8"
    & skf18("4","2","9","8","7","6","1") = "8"
    & skf18("4","2","9","8","7","7","1") = "8"
    & skf18("4","2","9","8","7","8","1") = "8"
    & skf18("4","2","9","8","7","9","1") = "8"
    & skf18("4","2","9","8","7","10","1") = "9"
    & skf18("4","2","9","8","8","1","1") = "8"
    & skf18("4","2","9","8","8","2","1") = "8"
    & skf18("4","2","9","8","8","3","1") = "8"
    & skf18("4","2","9","8","8","4","1") = "8"
    & skf18("4","2","9","8","8","5","1") = "8"
    & skf18("4","2","9","8","8","6","1") = "8"
    & skf18("4","2","9","8","8","7","1") = "8"
    & skf18("4","2","9","8","8","8","1") = "8"
    & skf18("4","2","9","8","8","9","1") = "8"
    & skf18("4","2","9","8","8","10","1") = "9"
    & skf18("4","2","9","8","9","1","1") = "8"
    & skf18("4","2","9","8","9","2","1") = "8"
    & skf18("4","2","9","8","9","3","1") = "8"
    & skf18("4","2","9","8","9","4","1") = "8"
    & skf18("4","2","9","8","9","5","1") = "8"
    & skf18("4","2","9","8","9","6","1") = "8"
    & skf18("4","2","9","8","9","7","1") = "8"
    & skf18("4","2","9","8","9","8","1") = "8"
    & skf18("4","2","9","8","9","9","1") = "8"
    & skf18("4","2","9","8","9","10","1") = "9"
    & skf18("4","2","9","8","10","1","1") = "9"
    & skf18("4","2","9","8","10","2","1") = "9"
    & skf18("4","2","9","8","10","3","1") = "9"
    & skf18("4","2","9","8","10","4","1") = "9"
    & skf18("4","2","9","8","10","5","1") = "9"
    & skf18("4","2","9","8","10","6","1") = "9"
    & skf18("4","2","9","8","10","7","1") = "9"
    & skf18("4","2","9","8","10","8","1") = "9"
    & skf18("4","2","9","8","10","9","1") = "9"
    & skf18("4","2","9","8","10","10","1") = "9"
    & skf18("4","2","9","9","1","1","1") = "8"
    & skf18("4","2","9","9","1","2","1") = "8"
    & skf18("4","2","9","9","1","3","1") = "8"
    & skf18("4","2","9","9","1","4","1") = "8"
    & skf18("4","2","9","9","1","5","1") = "8"
    & skf18("4","2","9","9","1","6","1") = "8"
    & skf18("4","2","9","9","1","7","1") = "8"
    & skf18("4","2","9","9","1","8","1") = "8"
    & skf18("4","2","9","9","1","9","1") = "8"
    & skf18("4","2","9","9","1","10","1") = "9"
    & skf18("4","2","9","9","2","1","1") = "8"
    & skf18("4","2","9","9","2","2","1") = "8"
    & skf18("4","2","9","9","2","3","1") = "8"
    & skf18("4","2","9","9","2","4","1") = "8"
    & skf18("4","2","9","9","2","5","1") = "8"
    & skf18("4","2","9","9","2","6","1") = "8"
    & skf18("4","2","9","9","2","7","1") = "8"
    & skf18("4","2","9","9","2","8","1") = "8"
    & skf18("4","2","9","9","2","9","1") = "8"
    & skf18("4","2","9","9","2","10","1") = "9"
    & skf18("4","2","9","9","3","1","1") = "8"
    & skf18("4","2","9","9","3","2","1") = "8"
    & skf18("4","2","9","9","3","3","1") = "8"
    & skf18("4","2","9","9","3","4","1") = "8"
    & skf18("4","2","9","9","3","5","1") = "8"
    & skf18("4","2","9","9","3","6","1") = "8"
    & skf18("4","2","9","9","3","7","1") = "8"
    & skf18("4","2","9","9","3","8","1") = "8"
    & skf18("4","2","9","9","3","9","1") = "8"
    & skf18("4","2","9","9","3","10","1") = "9"
    & skf18("4","2","9","9","4","1","1") = "8"
    & skf18("4","2","9","9","4","2","1") = "8"
    & skf18("4","2","9","9","4","3","1") = "8"
    & skf18("4","2","9","9","4","4","1") = "8"
    & skf18("4","2","9","9","4","5","1") = "8"
    & skf18("4","2","9","9","4","6","1") = "8"
    & skf18("4","2","9","9","4","7","1") = "8"
    & skf18("4","2","9","9","4","8","1") = "8"
    & skf18("4","2","9","9","4","9","1") = "8"
    & skf18("4","2","9","9","4","10","1") = "9"
    & skf18("4","2","9","9","5","1","1") = "8"
    & skf18("4","2","9","9","5","2","1") = "8"
    & skf18("4","2","9","9","5","3","1") = "8"
    & skf18("4","2","9","9","5","4","1") = "8"
    & skf18("4","2","9","9","5","5","1") = "8"
    & skf18("4","2","9","9","5","6","1") = "8"
    & skf18("4","2","9","9","5","7","1") = "8"
    & skf18("4","2","9","9","5","8","1") = "8"
    & skf18("4","2","9","9","5","9","1") = "8"
    & skf18("4","2","9","9","5","10","1") = "9"
    & skf18("4","2","9","9","6","1","1") = "8"
    & skf18("4","2","9","9","6","2","1") = "8"
    & skf18("4","2","9","9","6","3","1") = "8"
    & skf18("4","2","9","9","6","4","1") = "8"
    & skf18("4","2","9","9","6","5","1") = "8"
    & skf18("4","2","9","9","6","6","1") = "8"
    & skf18("4","2","9","9","6","7","1") = "8"
    & skf18("4","2","9","9","6","8","1") = "8"
    & skf18("4","2","9","9","6","9","1") = "8"
    & skf18("4","2","9","9","6","10","1") = "9"
    & skf18("4","2","9","9","7","1","1") = "8"
    & skf18("4","2","9","9","7","2","1") = "8"
    & skf18("4","2","9","9","7","3","1") = "8"
    & skf18("4","2","9","9","7","4","1") = "8"
    & skf18("4","2","9","9","7","5","1") = "8"
    & skf18("4","2","9","9","7","6","1") = "8"
    & skf18("4","2","9","9","7","7","1") = "8"
    & skf18("4","2","9","9","7","8","1") = "8"
    & skf18("4","2","9","9","7","9","1") = "8"
    & skf18("4","2","9","9","7","10","1") = "9"
    & skf18("4","2","9","9","8","1","1") = "8"
    & skf18("4","2","9","9","8","2","1") = "8"
    & skf18("4","2","9","9","8","3","1") = "8"
    & skf18("4","2","9","9","8","4","1") = "8"
    & skf18("4","2","9","9","8","5","1") = "8"
    & skf18("4","2","9","9","8","6","1") = "8"
    & skf18("4","2","9","9","8","7","1") = "8"
    & skf18("4","2","9","9","8","8","1") = "8"
    & skf18("4","2","9","9","8","9","1") = "8"
    & skf18("4","2","9","9","8","10","1") = "9"
    & skf18("4","2","9","9","9","1","1") = "8"
    & skf18("4","2","9","9","9","2","1") = "8"
    & skf18("4","2","9","9","9","3","1") = "8"
    & skf18("4","2","9","9","9","4","1") = "8"
    & skf18("4","2","9","9","9","5","1") = "8"
    & skf18("4","2","9","9","9","6","1") = "8"
    & skf18("4","2","9","9","9","7","1") = "8"
    & skf18("4","2","9","9","9","8","1") = "8"
    & skf18("4","2","9","9","9","9","1") = "8"
    & skf18("4","2","9","9","9","10","1") = "9"
    & skf18("4","2","9","9","10","1","1") = "9"
    & skf18("4","2","9","9","10","2","1") = "9"
    & skf18("4","2","9","9","10","3","1") = "9"
    & skf18("4","2","9","9","10","4","1") = "9"
    & skf18("4","2","9","9","10","5","1") = "9"
    & skf18("4","2","9","9","10","6","1") = "9"
    & skf18("4","2","9","9","10","7","1") = "9"
    & skf18("4","2","9","9","10","8","1") = "9"
    & skf18("4","2","9","9","10","9","1") = "9"
    & skf18("4","2","9","9","10","10","1") = "9"
    & skf18("4","2","9","10","1","1","1") = "9"
    & skf18("4","2","9","10","1","2","1") = "9"
    & skf18("4","2","9","10","1","3","1") = "9"
    & skf18("4","2","9","10","1","4","1") = "9"
    & skf18("4","2","9","10","1","5","1") = "9"
    & skf18("4","2","9","10","1","6","1") = "9"
    & skf18("4","2","9","10","1","7","1") = "9"
    & skf18("4","2","9","10","1","8","1") = "9"
    & skf18("4","2","9","10","1","9","1") = "9"
    & skf18("4","2","9","10","1","10","1") = "9"
    & skf18("4","2","9","10","2","1","1") = "9"
    & skf18("4","2","9","10","2","2","1") = "9"
    & skf18("4","2","9","10","2","3","1") = "9"
    & skf18("4","2","9","10","2","4","1") = "9"
    & skf18("4","2","9","10","2","5","1") = "9"
    & skf18("4","2","9","10","2","6","1") = "9"
    & skf18("4","2","9","10","2","7","1") = "9"
    & skf18("4","2","9","10","2","8","1") = "9"
    & skf18("4","2","9","10","2","9","1") = "9"
    & skf18("4","2","9","10","2","10","1") = "9"
    & skf18("4","2","9","10","3","1","1") = "9"
    & skf18("4","2","9","10","3","2","1") = "9"
    & skf18("4","2","9","10","3","3","1") = "9"
    & skf18("4","2","9","10","3","4","1") = "9"
    & skf18("4","2","9","10","3","5","1") = "9"
    & skf18("4","2","9","10","3","6","1") = "9"
    & skf18("4","2","9","10","3","7","1") = "9"
    & skf18("4","2","9","10","3","8","1") = "9"
    & skf18("4","2","9","10","3","9","1") = "9"
    & skf18("4","2","9","10","3","10","1") = "9"
    & skf18("4","2","9","10","4","1","1") = "9"
    & skf18("4","2","9","10","4","2","1") = "9"
    & skf18("4","2","9","10","4","3","1") = "9"
    & skf18("4","2","9","10","4","4","1") = "9"
    & skf18("4","2","9","10","4","5","1") = "9"
    & skf18("4","2","9","10","4","6","1") = "9"
    & skf18("4","2","9","10","4","7","1") = "9"
    & skf18("4","2","9","10","4","8","1") = "9"
    & skf18("4","2","9","10","4","9","1") = "9"
    & skf18("4","2","9","10","4","10","1") = "9"
    & skf18("4","2","9","10","5","1","1") = "9"
    & skf18("4","2","9","10","5","2","1") = "9"
    & skf18("4","2","9","10","5","3","1") = "9"
    & skf18("4","2","9","10","5","4","1") = "9"
    & skf18("4","2","9","10","5","5","1") = "9"
    & skf18("4","2","9","10","5","6","1") = "9"
    & skf18("4","2","9","10","5","7","1") = "9"
    & skf18("4","2","9","10","5","8","1") = "9"
    & skf18("4","2","9","10","5","9","1") = "9"
    & skf18("4","2","9","10","5","10","1") = "9"
    & skf18("4","2","9","10","6","1","1") = "9"
    & skf18("4","2","9","10","6","2","1") = "9"
    & skf18("4","2","9","10","6","3","1") = "9"
    & skf18("4","2","9","10","6","4","1") = "9"
    & skf18("4","2","9","10","6","5","1") = "9"
    & skf18("4","2","9","10","6","6","1") = "9"
    & skf18("4","2","9","10","6","7","1") = "9"
    & skf18("4","2","9","10","6","8","1") = "9"
    & skf18("4","2","9","10","6","9","1") = "9"
    & skf18("4","2","9","10","6","10","1") = "9"
    & skf18("4","2","9","10","7","1","1") = "9"
    & skf18("4","2","9","10","7","2","1") = "9"
    & skf18("4","2","9","10","7","3","1") = "9"
    & skf18("4","2","9","10","7","4","1") = "9"
    & skf18("4","2","9","10","7","5","1") = "9"
    & skf18("4","2","9","10","7","6","1") = "9"
    & skf18("4","2","9","10","7","7","1") = "9"
    & skf18("4","2","9","10","7","8","1") = "9"
    & skf18("4","2","9","10","7","9","1") = "9"
    & skf18("4","2","9","10","7","10","1") = "9"
    & skf18("4","2","9","10","8","1","1") = "9"
    & skf18("4","2","9","10","8","2","1") = "9"
    & skf18("4","2","9","10","8","3","1") = "9"
    & skf18("4","2","9","10","8","4","1") = "9"
    & skf18("4","2","9","10","8","5","1") = "9"
    & skf18("4","2","9","10","8","6","1") = "9"
    & skf18("4","2","9","10","8","7","1") = "9"
    & skf18("4","2","9","10","8","8","1") = "9"
    & skf18("4","2","9","10","8","9","1") = "9"
    & skf18("4","2","9","10","8","10","1") = "9"
    & skf18("4","2","9","10","9","1","1") = "9"
    & skf18("4","2","9","10","9","2","1") = "9"
    & skf18("4","2","9","10","9","3","1") = "9"
    & skf18("4","2","9","10","9","4","1") = "9"
    & skf18("4","2","9","10","9","5","1") = "9"
    & skf18("4","2","9","10","9","6","1") = "9"
    & skf18("4","2","9","10","9","7","1") = "9"
    & skf18("4","2","9","10","9","8","1") = "9"
    & skf18("4","2","9","10","9","9","1") = "9"
    & skf18("4","2","9","10","9","10","1") = "9"
    & skf18("4","2","9","10","10","1","1") = "9"
    & skf18("4","2","9","10","10","2","1") = "9"
    & skf18("4","2","9","10","10","3","1") = "9"
    & skf18("4","2","9","10","10","4","1") = "9"
    & skf18("4","2","9","10","10","5","1") = "9"
    & skf18("4","2","9","10","10","6","1") = "9"
    & skf18("4","2","9","10","10","7","1") = "9"
    & skf18("4","2","9","10","10","8","1") = "9"
    & skf18("4","2","9","10","10","9","1") = "9"
    & skf18("4","2","9","10","10","10","1") = "9"
    & skf18("4","2","10","1","1","1","1") = "9"
    & skf18("4","2","10","1","1","2","1") = "9"
    & skf18("4","2","10","1","1","3","1") = "9"
    & skf18("4","2","10","1","1","4","1") = "9"
    & skf18("4","2","10","1","1","5","1") = "9"
    & skf18("4","2","10","1","1","6","1") = "9"
    & skf18("4","2","10","1","1","7","1") = "9"
    & skf18("4","2","10","1","1","8","1") = "9"
    & skf18("4","2","10","1","1","9","1") = "9"
    & skf18("4","2","10","1","1","10","1") = "9"
    & skf18("4","2","10","1","2","1","1") = "9"
    & skf18("4","2","10","1","2","2","1") = "9"
    & skf18("4","2","10","1","2","3","1") = "9"
    & skf18("4","2","10","1","2","4","1") = "9"
    & skf18("4","2","10","1","2","5","1") = "9"
    & skf18("4","2","10","1","2","6","1") = "9"
    & skf18("4","2","10","1","2","7","1") = "9"
    & skf18("4","2","10","1","2","8","1") = "9"
    & skf18("4","2","10","1","2","9","1") = "9"
    & skf18("4","2","10","1","2","10","1") = "9"
    & skf18("4","2","10","1","3","1","1") = "9"
    & skf18("4","2","10","1","3","2","1") = "9"
    & skf18("4","2","10","1","3","3","1") = "9"
    & skf18("4","2","10","1","3","4","1") = "9"
    & skf18("4","2","10","1","3","5","1") = "9"
    & skf18("4","2","10","1","3","6","1") = "9"
    & skf18("4","2","10","1","3","7","1") = "9"
    & skf18("4","2","10","1","3","8","1") = "9"
    & skf18("4","2","10","1","3","9","1") = "9"
    & skf18("4","2","10","1","3","10","1") = "9"
    & skf18("4","2","10","1","4","1","1") = "9"
    & skf18("4","2","10","1","4","2","1") = "9"
    & skf18("4","2","10","1","4","3","1") = "9"
    & skf18("4","2","10","1","4","4","1") = "9"
    & skf18("4","2","10","1","4","5","1") = "9"
    & skf18("4","2","10","1","4","6","1") = "9"
    & skf18("4","2","10","1","4","7","1") = "9"
    & skf18("4","2","10","1","4","8","1") = "9"
    & skf18("4","2","10","1","4","9","1") = "9"
    & skf18("4","2","10","1","4","10","1") = "9"
    & skf18("4","2","10","1","5","1","1") = "9"
    & skf18("4","2","10","1","5","2","1") = "9"
    & skf18("4","2","10","1","5","3","1") = "9"
    & skf18("4","2","10","1","5","4","1") = "9"
    & skf18("4","2","10","1","5","5","1") = "9"
    & skf18("4","2","10","1","5","6","1") = "9"
    & skf18("4","2","10","1","5","7","1") = "9"
    & skf18("4","2","10","1","5","8","1") = "9"
    & skf18("4","2","10","1","5","9","1") = "9"
    & skf18("4","2","10","1","5","10","1") = "9"
    & skf18("4","2","10","1","6","1","1") = "9"
    & skf18("4","2","10","1","6","2","1") = "9"
    & skf18("4","2","10","1","6","3","1") = "9"
    & skf18("4","2","10","1","6","4","1") = "9"
    & skf18("4","2","10","1","6","5","1") = "9"
    & skf18("4","2","10","1","6","6","1") = "9"
    & skf18("4","2","10","1","6","7","1") = "9"
    & skf18("4","2","10","1","6","8","1") = "9"
    & skf18("4","2","10","1","6","9","1") = "9"
    & skf18("4","2","10","1","6","10","1") = "9"
    & skf18("4","2","10","1","7","1","1") = "9"
    & skf18("4","2","10","1","7","2","1") = "9"
    & skf18("4","2","10","1","7","3","1") = "9"
    & skf18("4","2","10","1","7","4","1") = "9"
    & skf18("4","2","10","1","7","5","1") = "9"
    & skf18("4","2","10","1","7","6","1") = "9"
    & skf18("4","2","10","1","7","7","1") = "9"
    & skf18("4","2","10","1","7","8","1") = "9"
    & skf18("4","2","10","1","7","9","1") = "9"
    & skf18("4","2","10","1","7","10","1") = "9"
    & skf18("4","2","10","1","8","1","1") = "9"
    & skf18("4","2","10","1","8","2","1") = "9"
    & skf18("4","2","10","1","8","3","1") = "9"
    & skf18("4","2","10","1","8","4","1") = "9"
    & skf18("4","2","10","1","8","5","1") = "9"
    & skf18("4","2","10","1","8","6","1") = "9"
    & skf18("4","2","10","1","8","7","1") = "9"
    & skf18("4","2","10","1","8","8","1") = "9"
    & skf18("4","2","10","1","8","9","1") = "9"
    & skf18("4","2","10","1","8","10","1") = "9"
    & skf18("4","2","10","1","9","1","1") = "9"
    & skf18("4","2","10","1","9","2","1") = "9"
    & skf18("4","2","10","1","9","3","1") = "9"
    & skf18("4","2","10","1","9","4","1") = "9"
    & skf18("4","2","10","1","9","5","1") = "9"
    & skf18("4","2","10","1","9","6","1") = "9"
    & skf18("4","2","10","1","9","7","1") = "9"
    & skf18("4","2","10","1","9","8","1") = "9"
    & skf18("4","2","10","1","9","9","1") = "9"
    & skf18("4","2","10","1","9","10","1") = "9"
    & skf18("4","2","10","1","10","1","1") = "9"
    & skf18("4","2","10","1","10","2","1") = "9"
    & skf18("4","2","10","1","10","3","1") = "9"
    & skf18("4","2","10","1","10","4","1") = "9"
    & skf18("4","2","10","1","10","5","1") = "9"
    & skf18("4","2","10","1","10","6","1") = "9"
    & skf18("4","2","10","1","10","7","1") = "9"
    & skf18("4","2","10","1","10","8","1") = "9"
    & skf18("4","2","10","1","10","9","1") = "9"
    & skf18("4","2","10","1","10","10","1") = "9"
    & skf18("4","2","10","2","1","1","1") = "9"
    & skf18("4","2","10","2","1","2","1") = "9"
    & skf18("4","2","10","2","1","3","1") = "9"
    & skf18("4","2","10","2","1","4","1") = "9"
    & skf18("4","2","10","2","1","5","1") = "9"
    & skf18("4","2","10","2","1","6","1") = "9"
    & skf18("4","2","10","2","1","7","1") = "9"
    & skf18("4","2","10","2","1","8","1") = "9"
    & skf18("4","2","10","2","1","9","1") = "9"
    & skf18("4","2","10","2","1","10","1") = "9"
    & skf18("4","2","10","2","2","1","1") = "9"
    & skf18("4","2","10","2","2","2","1") = "9"
    & skf18("4","2","10","2","2","3","1") = "9"
    & skf18("4","2","10","2","2","4","1") = "9"
    & skf18("4","2","10","2","2","5","1") = "9"
    & skf18("4","2","10","2","2","6","1") = "9"
    & skf18("4","2","10","2","2","7","1") = "9"
    & skf18("4","2","10","2","2","8","1") = "9"
    & skf18("4","2","10","2","2","9","1") = "9"
    & skf18("4","2","10","2","2","10","1") = "9"
    & skf18("4","2","10","2","3","1","1") = "9"
    & skf18("4","2","10","2","3","2","1") = "9"
    & skf18("4","2","10","2","3","3","1") = "9"
    & skf18("4","2","10","2","3","4","1") = "9"
    & skf18("4","2","10","2","3","5","1") = "9"
    & skf18("4","2","10","2","3","6","1") = "9"
    & skf18("4","2","10","2","3","7","1") = "9"
    & skf18("4","2","10","2","3","8","1") = "9"
    & skf18("4","2","10","2","3","9","1") = "9"
    & skf18("4","2","10","2","3","10","1") = "9"
    & skf18("4","2","10","2","4","1","1") = "9"
    & skf18("4","2","10","2","4","2","1") = "9"
    & skf18("4","2","10","2","4","3","1") = "9"
    & skf18("4","2","10","2","4","4","1") = "9"
    & skf18("4","2","10","2","4","5","1") = "9"
    & skf18("4","2","10","2","4","6","1") = "9"
    & skf18("4","2","10","2","4","7","1") = "9"
    & skf18("4","2","10","2","4","8","1") = "9"
    & skf18("4","2","10","2","4","9","1") = "9"
    & skf18("4","2","10","2","4","10","1") = "9"
    & skf18("4","2","10","2","5","1","1") = "9"
    & skf18("4","2","10","2","5","2","1") = "9"
    & skf18("4","2","10","2","5","3","1") = "9"
    & skf18("4","2","10","2","5","4","1") = "9"
    & skf18("4","2","10","2","5","5","1") = "9"
    & skf18("4","2","10","2","5","6","1") = "9"
    & skf18("4","2","10","2","5","7","1") = "9"
    & skf18("4","2","10","2","5","8","1") = "9"
    & skf18("4","2","10","2","5","9","1") = "9"
    & skf18("4","2","10","2","5","10","1") = "9"
    & skf18("4","2","10","2","6","1","1") = "9"
    & skf18("4","2","10","2","6","2","1") = "9"
    & skf18("4","2","10","2","6","3","1") = "9"
    & skf18("4","2","10","2","6","4","1") = "9"
    & skf18("4","2","10","2","6","5","1") = "9"
    & skf18("4","2","10","2","6","6","1") = "9"
    & skf18("4","2","10","2","6","7","1") = "9"
    & skf18("4","2","10","2","6","8","1") = "9"
    & skf18("4","2","10","2","6","9","1") = "9"
    & skf18("4","2","10","2","6","10","1") = "9"
    & skf18("4","2","10","2","7","1","1") = "9"
    & skf18("4","2","10","2","7","2","1") = "9"
    & skf18("4","2","10","2","7","3","1") = "9"
    & skf18("4","2","10","2","7","4","1") = "9"
    & skf18("4","2","10","2","7","5","1") = "9"
    & skf18("4","2","10","2","7","6","1") = "9"
    & skf18("4","2","10","2","7","7","1") = "9"
    & skf18("4","2","10","2","7","8","1") = "9"
    & skf18("4","2","10","2","7","9","1") = "9"
    & skf18("4","2","10","2","7","10","1") = "9"
    & skf18("4","2","10","2","8","1","1") = "9"
    & skf18("4","2","10","2","8","2","1") = "9"
    & skf18("4","2","10","2","8","3","1") = "9"
    & skf18("4","2","10","2","8","4","1") = "9"
    & skf18("4","2","10","2","8","5","1") = "9"
    & skf18("4","2","10","2","8","6","1") = "9"
    & skf18("4","2","10","2","8","7","1") = "9"
    & skf18("4","2","10","2","8","8","1") = "9"
    & skf18("4","2","10","2","8","9","1") = "9"
    & skf18("4","2","10","2","8","10","1") = "9"
    & skf18("4","2","10","2","9","1","1") = "9"
    & skf18("4","2","10","2","9","2","1") = "9"
    & skf18("4","2","10","2","9","3","1") = "9"
    & skf18("4","2","10","2","9","4","1") = "9"
    & skf18("4","2","10","2","9","5","1") = "9"
    & skf18("4","2","10","2","9","6","1") = "9"
    & skf18("4","2","10","2","9","7","1") = "9"
    & skf18("4","2","10","2","9","8","1") = "9"
    & skf18("4","2","10","2","9","9","1") = "9"
    & skf18("4","2","10","2","9","10","1") = "9"
    & skf18("4","2","10","2","10","1","1") = "9"
    & skf18("4","2","10","2","10","2","1") = "9"
    & skf18("4","2","10","2","10","3","1") = "9"
    & skf18("4","2","10","2","10","4","1") = "9"
    & skf18("4","2","10","2","10","5","1") = "9"
    & skf18("4","2","10","2","10","6","1") = "9"
    & skf18("4","2","10","2","10","7","1") = "9"
    & skf18("4","2","10","2","10","8","1") = "9"
    & skf18("4","2","10","2","10","9","1") = "9"
    & skf18("4","2","10","2","10","10","1") = "9"
    & skf18("4","2","10","3","1","1","1") = "9"
    & skf18("4","2","10","3","1","2","1") = "9"
    & skf18("4","2","10","3","1","3","1") = "9"
    & skf18("4","2","10","3","1","4","1") = "9"
    & skf18("4","2","10","3","1","5","1") = "9"
    & skf18("4","2","10","3","1","6","1") = "9"
    & skf18("4","2","10","3","1","7","1") = "9"
    & skf18("4","2","10","3","1","8","1") = "9"
    & skf18("4","2","10","3","1","9","1") = "9"
    & skf18("4","2","10","3","1","10","1") = "9"
    & skf18("4","2","10","3","2","1","1") = "9"
    & skf18("4","2","10","3","2","2","1") = "9"
    & skf18("4","2","10","3","2","3","1") = "9"
    & skf18("4","2","10","3","2","4","1") = "9"
    & skf18("4","2","10","3","2","5","1") = "9"
    & skf18("4","2","10","3","2","6","1") = "9"
    & skf18("4","2","10","3","2","7","1") = "9"
    & skf18("4","2","10","3","2","8","1") = "9"
    & skf18("4","2","10","3","2","9","1") = "9"
    & skf18("4","2","10","3","2","10","1") = "9"
    & skf18("4","2","10","3","3","1","1") = "9"
    & skf18("4","2","10","3","3","2","1") = "9"
    & skf18("4","2","10","3","3","3","1") = "9"
    & skf18("4","2","10","3","3","4","1") = "9"
    & skf18("4","2","10","3","3","5","1") = "9"
    & skf18("4","2","10","3","3","6","1") = "9"
    & skf18("4","2","10","3","3","7","1") = "9"
    & skf18("4","2","10","3","3","8","1") = "9"
    & skf18("4","2","10","3","3","9","1") = "9"
    & skf18("4","2","10","3","3","10","1") = "9"
    & skf18("4","2","10","3","4","1","1") = "9"
    & skf18("4","2","10","3","4","2","1") = "9"
    & skf18("4","2","10","3","4","3","1") = "9"
    & skf18("4","2","10","3","4","4","1") = "9"
    & skf18("4","2","10","3","4","5","1") = "9"
    & skf18("4","2","10","3","4","6","1") = "9"
    & skf18("4","2","10","3","4","7","1") = "9"
    & skf18("4","2","10","3","4","8","1") = "9"
    & skf18("4","2","10","3","4","9","1") = "9"
    & skf18("4","2","10","3","4","10","1") = "9"
    & skf18("4","2","10","3","5","1","1") = "9"
    & skf18("4","2","10","3","5","2","1") = "9"
    & skf18("4","2","10","3","5","3","1") = "9"
    & skf18("4","2","10","3","5","4","1") = "9"
    & skf18("4","2","10","3","5","5","1") = "9"
    & skf18("4","2","10","3","5","6","1") = "9"
    & skf18("4","2","10","3","5","7","1") = "9"
    & skf18("4","2","10","3","5","8","1") = "9"
    & skf18("4","2","10","3","5","9","1") = "9"
    & skf18("4","2","10","3","5","10","1") = "9"
    & skf18("4","2","10","3","6","1","1") = "9"
    & skf18("4","2","10","3","6","2","1") = "9"
    & skf18("4","2","10","3","6","3","1") = "9"
    & skf18("4","2","10","3","6","4","1") = "9"
    & skf18("4","2","10","3","6","5","1") = "9"
    & skf18("4","2","10","3","6","6","1") = "9"
    & skf18("4","2","10","3","6","7","1") = "9"
    & skf18("4","2","10","3","6","8","1") = "9"
    & skf18("4","2","10","3","6","9","1") = "9"
    & skf18("4","2","10","3","6","10","1") = "9"
    & skf18("4","2","10","3","7","1","1") = "9"
    & skf18("4","2","10","3","7","2","1") = "9"
    & skf18("4","2","10","3","7","3","1") = "9"
    & skf18("4","2","10","3","7","4","1") = "9"
    & skf18("4","2","10","3","7","5","1") = "9"
    & skf18("4","2","10","3","7","6","1") = "9"
    & skf18("4","2","10","3","7","7","1") = "9"
    & skf18("4","2","10","3","7","8","1") = "9"
    & skf18("4","2","10","3","7","9","1") = "9"
    & skf18("4","2","10","3","7","10","1") = "9"
    & skf18("4","2","10","3","8","1","1") = "9"
    & skf18("4","2","10","3","8","2","1") = "9"
    & skf18("4","2","10","3","8","3","1") = "9"
    & skf18("4","2","10","3","8","4","1") = "9"
    & skf18("4","2","10","3","8","5","1") = "9"
    & skf18("4","2","10","3","8","6","1") = "9"
    & skf18("4","2","10","3","8","7","1") = "9"
    & skf18("4","2","10","3","8","8","1") = "9"
    & skf18("4","2","10","3","8","9","1") = "9"
    & skf18("4","2","10","3","8","10","1") = "9"
    & skf18("4","2","10","3","9","1","1") = "9"
    & skf18("4","2","10","3","9","2","1") = "9"
    & skf18("4","2","10","3","9","3","1") = "9"
    & skf18("4","2","10","3","9","4","1") = "9"
    & skf18("4","2","10","3","9","5","1") = "9"
    & skf18("4","2","10","3","9","6","1") = "9"
    & skf18("4","2","10","3","9","7","1") = "9"
    & skf18("4","2","10","3","9","8","1") = "9"
    & skf18("4","2","10","3","9","9","1") = "9"
    & skf18("4","2","10","3","9","10","1") = "9"
    & skf18("4","2","10","3","10","1","1") = "9"
    & skf18("4","2","10","3","10","2","1") = "9"
    & skf18("4","2","10","3","10","3","1") = "9"
    & skf18("4","2","10","3","10","4","1") = "9"
    & skf18("4","2","10","3","10","5","1") = "9"
    & skf18("4","2","10","3","10","6","1") = "9"
    & skf18("4","2","10","3","10","7","1") = "9"
    & skf18("4","2","10","3","10","8","1") = "9"
    & skf18("4","2","10","3","10","9","1") = "9"
    & skf18("4","2","10","3","10","10","1") = "9"
    & skf18("4","2","10","4","1","1","1") = "9"
    & skf18("4","2","10","4","1","2","1") = "9"
    & skf18("4","2","10","4","1","3","1") = "9"
    & skf18("4","2","10","4","1","4","1") = "9"
    & skf18("4","2","10","4","1","5","1") = "9"
    & skf18("4","2","10","4","1","6","1") = "9"
    & skf18("4","2","10","4","1","7","1") = "9"
    & skf18("4","2","10","4","1","8","1") = "9"
    & skf18("4","2","10","4","1","9","1") = "9"
    & skf18("4","2","10","4","1","10","1") = "9"
    & skf18("4","2","10","4","2","1","1") = "9"
    & skf18("4","2","10","4","2","2","1") = "9"
    & skf18("4","2","10","4","2","3","1") = "9"
    & skf18("4","2","10","4","2","4","1") = "9"
    & skf18("4","2","10","4","2","5","1") = "9"
    & skf18("4","2","10","4","2","6","1") = "9"
    & skf18("4","2","10","4","2","7","1") = "9"
    & skf18("4","2","10","4","2","8","1") = "9"
    & skf18("4","2","10","4","2","9","1") = "9"
    & skf18("4","2","10","4","2","10","1") = "9"
    & skf18("4","2","10","4","3","1","1") = "9"
    & skf18("4","2","10","4","3","2","1") = "9"
    & skf18("4","2","10","4","3","3","1") = "9"
    & skf18("4","2","10","4","3","4","1") = "9"
    & skf18("4","2","10","4","3","5","1") = "9"
    & skf18("4","2","10","4","3","6","1") = "9"
    & skf18("4","2","10","4","3","7","1") = "9"
    & skf18("4","2","10","4","3","8","1") = "9"
    & skf18("4","2","10","4","3","9","1") = "9"
    & skf18("4","2","10","4","3","10","1") = "9"
    & skf18("4","2","10","4","4","1","1") = "9"
    & skf18("4","2","10","4","4","2","1") = "9"
    & skf18("4","2","10","4","4","3","1") = "9"
    & skf18("4","2","10","4","4","4","1") = "9"
    & skf18("4","2","10","4","4","5","1") = "9"
    & skf18("4","2","10","4","4","6","1") = "9"
    & skf18("4","2","10","4","4","7","1") = "9"
    & skf18("4","2","10","4","4","8","1") = "9"
    & skf18("4","2","10","4","4","9","1") = "9"
    & skf18("4","2","10","4","4","10","1") = "9"
    & skf18("4","2","10","4","5","1","1") = "9"
    & skf18("4","2","10","4","5","2","1") = "9"
    & skf18("4","2","10","4","5","3","1") = "9"
    & skf18("4","2","10","4","5","4","1") = "9"
    & skf18("4","2","10","4","5","5","1") = "9"
    & skf18("4","2","10","4","5","6","1") = "9"
    & skf18("4","2","10","4","5","7","1") = "9"
    & skf18("4","2","10","4","5","8","1") = "9"
    & skf18("4","2","10","4","5","9","1") = "9"
    & skf18("4","2","10","4","5","10","1") = "9"
    & skf18("4","2","10","4","6","1","1") = "9"
    & skf18("4","2","10","4","6","2","1") = "9"
    & skf18("4","2","10","4","6","3","1") = "9"
    & skf18("4","2","10","4","6","4","1") = "9"
    & skf18("4","2","10","4","6","5","1") = "9"
    & skf18("4","2","10","4","6","6","1") = "9"
    & skf18("4","2","10","4","6","7","1") = "9"
    & skf18("4","2","10","4","6","8","1") = "9"
    & skf18("4","2","10","4","6","9","1") = "9"
    & skf18("4","2","10","4","6","10","1") = "9"
    & skf18("4","2","10","4","7","1","1") = "9"
    & skf18("4","2","10","4","7","2","1") = "9"
    & skf18("4","2","10","4","7","3","1") = "9"
    & skf18("4","2","10","4","7","4","1") = "9"
    & skf18("4","2","10","4","7","5","1") = "9"
    & skf18("4","2","10","4","7","6","1") = "9"
    & skf18("4","2","10","4","7","7","1") = "9"
    & skf18("4","2","10","4","7","8","1") = "9"
    & skf18("4","2","10","4","7","9","1") = "9"
    & skf18("4","2","10","4","7","10","1") = "9"
    & skf18("4","2","10","4","8","1","1") = "9"
    & skf18("4","2","10","4","8","2","1") = "9"
    & skf18("4","2","10","4","8","3","1") = "9"
    & skf18("4","2","10","4","8","4","1") = "9"
    & skf18("4","2","10","4","8","5","1") = "9"
    & skf18("4","2","10","4","8","6","1") = "9"
    & skf18("4","2","10","4","8","7","1") = "9"
    & skf18("4","2","10","4","8","8","1") = "9"
    & skf18("4","2","10","4","8","9","1") = "9"
    & skf18("4","2","10","4","8","10","1") = "9"
    & skf18("4","2","10","4","9","1","1") = "9"
    & skf18("4","2","10","4","9","2","1") = "9"
    & skf18("4","2","10","4","9","3","1") = "9"
    & skf18("4","2","10","4","9","4","1") = "9"
    & skf18("4","2","10","4","9","5","1") = "9"
    & skf18("4","2","10","4","9","6","1") = "9"
    & skf18("4","2","10","4","9","7","1") = "9"
    & skf18("4","2","10","4","9","8","1") = "9"
    & skf18("4","2","10","4","9","9","1") = "9"
    & skf18("4","2","10","4","9","10","1") = "9"
    & skf18("4","2","10","4","10","1","1") = "9"
    & skf18("4","2","10","4","10","2","1") = "9"
    & skf18("4","2","10","4","10","3","1") = "9"
    & skf18("4","2","10","4","10","4","1") = "9"
    & skf18("4","2","10","4","10","5","1") = "9"
    & skf18("4","2","10","4","10","6","1") = "9"
    & skf18("4","2","10","4","10","7","1") = "9"
    & skf18("4","2","10","4","10","8","1") = "9"
    & skf18("4","2","10","4","10","9","1") = "9"
    & skf18("4","2","10","4","10","10","1") = "9"
    & skf18("4","2","10","5","1","1","1") = "9"
    & skf18("4","2","10","5","1","2","1") = "9"
    & skf18("4","2","10","5","1","3","1") = "9"
    & skf18("4","2","10","5","1","4","1") = "9"
    & skf18("4","2","10","5","1","5","1") = "9"
    & skf18("4","2","10","5","1","6","1") = "9"
    & skf18("4","2","10","5","1","7","1") = "9"
    & skf18("4","2","10","5","1","8","1") = "9"
    & skf18("4","2","10","5","1","9","1") = "9"
    & skf18("4","2","10","5","1","10","1") = "9"
    & skf18("4","2","10","5","2","1","1") = "9"
    & skf18("4","2","10","5","2","2","1") = "9"
    & skf18("4","2","10","5","2","3","1") = "9"
    & skf18("4","2","10","5","2","4","1") = "9"
    & skf18("4","2","10","5","2","5","1") = "9"
    & skf18("4","2","10","5","2","6","1") = "9"
    & skf18("4","2","10","5","2","7","1") = "9"
    & skf18("4","2","10","5","2","8","1") = "9"
    & skf18("4","2","10","5","2","9","1") = "9"
    & skf18("4","2","10","5","2","10","1") = "9"
    & skf18("4","2","10","5","3","1","1") = "9"
    & skf18("4","2","10","5","3","2","1") = "9"
    & skf18("4","2","10","5","3","3","1") = "9"
    & skf18("4","2","10","5","3","4","1") = "9"
    & skf18("4","2","10","5","3","5","1") = "9"
    & skf18("4","2","10","5","3","6","1") = "9"
    & skf18("4","2","10","5","3","7","1") = "9"
    & skf18("4","2","10","5","3","8","1") = "9"
    & skf18("4","2","10","5","3","9","1") = "9"
    & skf18("4","2","10","5","3","10","1") = "9"
    & skf18("4","2","10","5","4","1","1") = "9"
    & skf18("4","2","10","5","4","2","1") = "9"
    & skf18("4","2","10","5","4","3","1") = "9"
    & skf18("4","2","10","5","4","4","1") = "9"
    & skf18("4","2","10","5","4","5","1") = "9"
    & skf18("4","2","10","5","4","6","1") = "9"
    & skf18("4","2","10","5","4","7","1") = "9"
    & skf18("4","2","10","5","4","8","1") = "9"
    & skf18("4","2","10","5","4","9","1") = "9"
    & skf18("4","2","10","5","4","10","1") = "9"
    & skf18("4","2","10","5","5","1","1") = "9"
    & skf18("4","2","10","5","5","2","1") = "9"
    & skf18("4","2","10","5","5","3","1") = "9"
    & skf18("4","2","10","5","5","4","1") = "9"
    & skf18("4","2","10","5","5","5","1") = "9"
    & skf18("4","2","10","5","5","6","1") = "9"
    & skf18("4","2","10","5","5","7","1") = "9"
    & skf18("4","2","10","5","5","8","1") = "9"
    & skf18("4","2","10","5","5","9","1") = "9"
    & skf18("4","2","10","5","5","10","1") = "9"
    & skf18("4","2","10","5","6","1","1") = "9"
    & skf18("4","2","10","5","6","2","1") = "9"
    & skf18("4","2","10","5","6","3","1") = "9"
    & skf18("4","2","10","5","6","4","1") = "9"
    & skf18("4","2","10","5","6","5","1") = "9"
    & skf18("4","2","10","5","6","6","1") = "9"
    & skf18("4","2","10","5","6","7","1") = "9"
    & skf18("4","2","10","5","6","8","1") = "9"
    & skf18("4","2","10","5","6","9","1") = "9"
    & skf18("4","2","10","5","6","10","1") = "9"
    & skf18("4","2","10","5","7","1","1") = "9"
    & skf18("4","2","10","5","7","2","1") = "9"
    & skf18("4","2","10","5","7","3","1") = "9"
    & skf18("4","2","10","5","7","4","1") = "9"
    & skf18("4","2","10","5","7","5","1") = "9"
    & skf18("4","2","10","5","7","6","1") = "9"
    & skf18("4","2","10","5","7","7","1") = "9"
    & skf18("4","2","10","5","7","8","1") = "9"
    & skf18("4","2","10","5","7","9","1") = "9"
    & skf18("4","2","10","5","7","10","1") = "9"
    & skf18("4","2","10","5","8","1","1") = "9"
    & skf18("4","2","10","5","8","2","1") = "9"
    & skf18("4","2","10","5","8","3","1") = "9"
    & skf18("4","2","10","5","8","4","1") = "9"
    & skf18("4","2","10","5","8","5","1") = "9"
    & skf18("4","2","10","5","8","6","1") = "9"
    & skf18("4","2","10","5","8","7","1") = "9"
    & skf18("4","2","10","5","8","8","1") = "9"
    & skf18("4","2","10","5","8","9","1") = "9"
    & skf18("4","2","10","5","8","10","1") = "9"
    & skf18("4","2","10","5","9","1","1") = "9"
    & skf18("4","2","10","5","9","2","1") = "9"
    & skf18("4","2","10","5","9","3","1") = "9"
    & skf18("4","2","10","5","9","4","1") = "9"
    & skf18("4","2","10","5","9","5","1") = "9"
    & skf18("4","2","10","5","9","6","1") = "9"
    & skf18("4","2","10","5","9","7","1") = "9"
    & skf18("4","2","10","5","9","8","1") = "9"
    & skf18("4","2","10","5","9","9","1") = "9"
    & skf18("4","2","10","5","9","10","1") = "9"
    & skf18("4","2","10","5","10","1","1") = "9"
    & skf18("4","2","10","5","10","2","1") = "9"
    & skf18("4","2","10","5","10","3","1") = "9"
    & skf18("4","2","10","5","10","4","1") = "9"
    & skf18("4","2","10","5","10","5","1") = "9"
    & skf18("4","2","10","5","10","6","1") = "9"
    & skf18("4","2","10","5","10","7","1") = "9"
    & skf18("4","2","10","5","10","8","1") = "9"
    & skf18("4","2","10","5","10","9","1") = "9"
    & skf18("4","2","10","5","10","10","1") = "9"
    & skf18("4","2","10","6","1","1","1") = "9"
    & skf18("4","2","10","6","1","2","1") = "9"
    & skf18("4","2","10","6","1","3","1") = "9"
    & skf18("4","2","10","6","1","4","1") = "9"
    & skf18("4","2","10","6","1","5","1") = "9"
    & skf18("4","2","10","6","1","6","1") = "9"
    & skf18("4","2","10","6","1","7","1") = "9"
    & skf18("4","2","10","6","1","8","1") = "9"
    & skf18("4","2","10","6","1","9","1") = "9"
    & skf18("4","2","10","6","1","10","1") = "9"
    & skf18("4","2","10","6","2","1","1") = "9"
    & skf18("4","2","10","6","2","2","1") = "9"
    & skf18("4","2","10","6","2","3","1") = "9"
    & skf18("4","2","10","6","2","4","1") = "9"
    & skf18("4","2","10","6","2","5","1") = "9"
    & skf18("4","2","10","6","2","6","1") = "9"
    & skf18("4","2","10","6","2","7","1") = "9"
    & skf18("4","2","10","6","2","8","1") = "9"
    & skf18("4","2","10","6","2","9","1") = "9"
    & skf18("4","2","10","6","2","10","1") = "9"
    & skf18("4","2","10","6","3","1","1") = "9"
    & skf18("4","2","10","6","3","2","1") = "9"
    & skf18("4","2","10","6","3","3","1") = "9"
    & skf18("4","2","10","6","3","4","1") = "9"
    & skf18("4","2","10","6","3","5","1") = "9"
    & skf18("4","2","10","6","3","6","1") = "9"
    & skf18("4","2","10","6","3","7","1") = "9"
    & skf18("4","2","10","6","3","8","1") = "9"
    & skf18("4","2","10","6","3","9","1") = "9"
    & skf18("4","2","10","6","3","10","1") = "9"
    & skf18("4","2","10","6","4","1","1") = "9"
    & skf18("4","2","10","6","4","2","1") = "9"
    & skf18("4","2","10","6","4","3","1") = "9"
    & skf18("4","2","10","6","4","4","1") = "9"
    & skf18("4","2","10","6","4","5","1") = "9"
    & skf18("4","2","10","6","4","6","1") = "9"
    & skf18("4","2","10","6","4","7","1") = "9"
    & skf18("4","2","10","6","4","8","1") = "9"
    & skf18("4","2","10","6","4","9","1") = "9"
    & skf18("4","2","10","6","4","10","1") = "9"
    & skf18("4","2","10","6","5","1","1") = "9"
    & skf18("4","2","10","6","5","2","1") = "9"
    & skf18("4","2","10","6","5","3","1") = "9"
    & skf18("4","2","10","6","5","4","1") = "9"
    & skf18("4","2","10","6","5","5","1") = "9"
    & skf18("4","2","10","6","5","6","1") = "9"
    & skf18("4","2","10","6","5","7","1") = "9"
    & skf18("4","2","10","6","5","8","1") = "9"
    & skf18("4","2","10","6","5","9","1") = "9"
    & skf18("4","2","10","6","5","10","1") = "9"
    & skf18("4","2","10","6","6","1","1") = "9"
    & skf18("4","2","10","6","6","2","1") = "9"
    & skf18("4","2","10","6","6","3","1") = "9"
    & skf18("4","2","10","6","6","4","1") = "9"
    & skf18("4","2","10","6","6","5","1") = "9"
    & skf18("4","2","10","6","6","6","1") = "9"
    & skf18("4","2","10","6","6","7","1") = "9"
    & skf18("4","2","10","6","6","8","1") = "9"
    & skf18("4","2","10","6","6","9","1") = "9"
    & skf18("4","2","10","6","6","10","1") = "9"
    & skf18("4","2","10","6","7","1","1") = "9"
    & skf18("4","2","10","6","7","2","1") = "9"
    & skf18("4","2","10","6","7","3","1") = "9"
    & skf18("4","2","10","6","7","4","1") = "9"
    & skf18("4","2","10","6","7","5","1") = "9"
    & skf18("4","2","10","6","7","6","1") = "9"
    & skf18("4","2","10","6","7","7","1") = "9"
    & skf18("4","2","10","6","7","8","1") = "9"
    & skf18("4","2","10","6","7","9","1") = "9"
    & skf18("4","2","10","6","7","10","1") = "9"
    & skf18("4","2","10","6","8","1","1") = "9"
    & skf18("4","2","10","6","8","2","1") = "9"
    & skf18("4","2","10","6","8","3","1") = "9"
    & skf18("4","2","10","6","8","4","1") = "9"
    & skf18("4","2","10","6","8","5","1") = "9"
    & skf18("4","2","10","6","8","6","1") = "9"
    & skf18("4","2","10","6","8","7","1") = "9"
    & skf18("4","2","10","6","8","8","1") = "9"
    & skf18("4","2","10","6","8","9","1") = "9"
    & skf18("4","2","10","6","8","10","1") = "9"
    & skf18("4","2","10","6","9","1","1") = "9"
    & skf18("4","2","10","6","9","2","1") = "9"
    & skf18("4","2","10","6","9","3","1") = "9"
    & skf18("4","2","10","6","9","4","1") = "9"
    & skf18("4","2","10","6","9","5","1") = "9"
    & skf18("4","2","10","6","9","6","1") = "9"
    & skf18("4","2","10","6","9","7","1") = "9"
    & skf18("4","2","10","6","9","8","1") = "9"
    & skf18("4","2","10","6","9","9","1") = "9"
    & skf18("4","2","10","6","9","10","1") = "9"
    & skf18("4","2","10","6","10","1","1") = "9"
    & skf18("4","2","10","6","10","2","1") = "9"
    & skf18("4","2","10","6","10","3","1") = "9"
    & skf18("4","2","10","6","10","4","1") = "9"
    & skf18("4","2","10","6","10","5","1") = "9"
    & skf18("4","2","10","6","10","6","1") = "9"
    & skf18("4","2","10","6","10","7","1") = "9"
    & skf18("4","2","10","6","10","8","1") = "9"
    & skf18("4","2","10","6","10","9","1") = "9"
    & skf18("4","2","10","6","10","10","1") = "9"
    & skf18("4","2","10","7","1","1","1") = "9"
    & skf18("4","2","10","7","1","2","1") = "9"
    & skf18("4","2","10","7","1","3","1") = "9"
    & skf18("4","2","10","7","1","4","1") = "9"
    & skf18("4","2","10","7","1","5","1") = "9"
    & skf18("4","2","10","7","1","6","1") = "9"
    & skf18("4","2","10","7","1","7","1") = "9"
    & skf18("4","2","10","7","1","8","1") = "9"
    & skf18("4","2","10","7","1","9","1") = "9"
    & skf18("4","2","10","7","1","10","1") = "9"
    & skf18("4","2","10","7","2","1","1") = "9"
    & skf18("4","2","10","7","2","2","1") = "9"
    & skf18("4","2","10","7","2","3","1") = "9"
    & skf18("4","2","10","7","2","4","1") = "9"
    & skf18("4","2","10","7","2","5","1") = "9"
    & skf18("4","2","10","7","2","6","1") = "9"
    & skf18("4","2","10","7","2","7","1") = "9"
    & skf18("4","2","10","7","2","8","1") = "9"
    & skf18("4","2","10","7","2","9","1") = "9"
    & skf18("4","2","10","7","2","10","1") = "9"
    & skf18("4","2","10","7","3","1","1") = "9"
    & skf18("4","2","10","7","3","2","1") = "9"
    & skf18("4","2","10","7","3","3","1") = "9"
    & skf18("4","2","10","7","3","4","1") = "9"
    & skf18("4","2","10","7","3","5","1") = "9"
    & skf18("4","2","10","7","3","6","1") = "9"
    & skf18("4","2","10","7","3","7","1") = "9"
    & skf18("4","2","10","7","3","8","1") = "9"
    & skf18("4","2","10","7","3","9","1") = "9"
    & skf18("4","2","10","7","3","10","1") = "9"
    & skf18("4","2","10","7","4","1","1") = "9"
    & skf18("4","2","10","7","4","2","1") = "9"
    & skf18("4","2","10","7","4","3","1") = "9"
    & skf18("4","2","10","7","4","4","1") = "9"
    & skf18("4","2","10","7","4","5","1") = "9"
    & skf18("4","2","10","7","4","6","1") = "9"
    & skf18("4","2","10","7","4","7","1") = "9"
    & skf18("4","2","10","7","4","8","1") = "9"
    & skf18("4","2","10","7","4","9","1") = "9"
    & skf18("4","2","10","7","4","10","1") = "9"
    & skf18("4","2","10","7","5","1","1") = "9"
    & skf18("4","2","10","7","5","2","1") = "9"
    & skf18("4","2","10","7","5","3","1") = "9"
    & skf18("4","2","10","7","5","4","1") = "9"
    & skf18("4","2","10","7","5","5","1") = "9"
    & skf18("4","2","10","7","5","6","1") = "9"
    & skf18("4","2","10","7","5","7","1") = "9"
    & skf18("4","2","10","7","5","8","1") = "9"
    & skf18("4","2","10","7","5","9","1") = "9"
    & skf18("4","2","10","7","5","10","1") = "9"
    & skf18("4","2","10","7","6","1","1") = "9"
    & skf18("4","2","10","7","6","2","1") = "9"
    & skf18("4","2","10","7","6","3","1") = "9"
    & skf18("4","2","10","7","6","4","1") = "9"
    & skf18("4","2","10","7","6","5","1") = "9"
    & skf18("4","2","10","7","6","6","1") = "9"
    & skf18("4","2","10","7","6","7","1") = "9"
    & skf18("4","2","10","7","6","8","1") = "9"
    & skf18("4","2","10","7","6","9","1") = "9"
    & skf18("4","2","10","7","6","10","1") = "9"
    & skf18("4","2","10","7","7","1","1") = "9"
    & skf18("4","2","10","7","7","2","1") = "9"
    & skf18("4","2","10","7","7","3","1") = "9"
    & skf18("4","2","10","7","7","4","1") = "9"
    & skf18("4","2","10","7","7","5","1") = "9"
    & skf18("4","2","10","7","7","6","1") = "9"
    & skf18("4","2","10","7","7","7","1") = "9"
    & skf18("4","2","10","7","7","8","1") = "9"
    & skf18("4","2","10","7","7","9","1") = "9"
    & skf18("4","2","10","7","7","10","1") = "9"
    & skf18("4","2","10","7","8","1","1") = "9"
    & skf18("4","2","10","7","8","2","1") = "9"
    & skf18("4","2","10","7","8","3","1") = "9"
    & skf18("4","2","10","7","8","4","1") = "9"
    & skf18("4","2","10","7","8","5","1") = "9"
    & skf18("4","2","10","7","8","6","1") = "9"
    & skf18("4","2","10","7","8","7","1") = "9"
    & skf18("4","2","10","7","8","8","1") = "9"
    & skf18("4","2","10","7","8","9","1") = "9"
    & skf18("4","2","10","7","8","10","1") = "9"
    & skf18("4","2","10","7","9","1","1") = "9"
    & skf18("4","2","10","7","9","2","1") = "9"
    & skf18("4","2","10","7","9","3","1") = "9"
    & skf18("4","2","10","7","9","4","1") = "9"
    & skf18("4","2","10","7","9","5","1") = "9"
    & skf18("4","2","10","7","9","6","1") = "9"
    & skf18("4","2","10","7","9","7","1") = "9"
    & skf18("4","2","10","7","9","8","1") = "9"
    & skf18("4","2","10","7","9","9","1") = "9"
    & skf18("4","2","10","7","9","10","1") = "9"
    & skf18("4","2","10","7","10","1","1") = "9"
    & skf18("4","2","10","7","10","2","1") = "9"
    & skf18("4","2","10","7","10","3","1") = "9"
    & skf18("4","2","10","7","10","4","1") = "9"
    & skf18("4","2","10","7","10","5","1") = "9"
    & skf18("4","2","10","7","10","6","1") = "9"
    & skf18("4","2","10","7","10","7","1") = "9"
    & skf18("4","2","10","7","10","8","1") = "9"
    & skf18("4","2","10","7","10","9","1") = "9"
    & skf18("4","2","10","7","10","10","1") = "9"
    & skf18("4","2","10","8","1","1","1") = "9"
    & skf18("4","2","10","8","1","2","1") = "9"
    & skf18("4","2","10","8","1","3","1") = "9"
    & skf18("4","2","10","8","1","4","1") = "9"
    & skf18("4","2","10","8","1","5","1") = "9"
    & skf18("4","2","10","8","1","6","1") = "9"
    & skf18("4","2","10","8","1","7","1") = "9"
    & skf18("4","2","10","8","1","8","1") = "9"
    & skf18("4","2","10","8","1","9","1") = "9"
    & skf18("4","2","10","8","1","10","1") = "9"
    & skf18("4","2","10","8","2","1","1") = "9"
    & skf18("4","2","10","8","2","2","1") = "9"
    & skf18("4","2","10","8","2","3","1") = "9"
    & skf18("4","2","10","8","2","4","1") = "9"
    & skf18("4","2","10","8","2","5","1") = "9"
    & skf18("4","2","10","8","2","6","1") = "9"
    & skf18("4","2","10","8","2","7","1") = "9"
    & skf18("4","2","10","8","2","8","1") = "9"
    & skf18("4","2","10","8","2","9","1") = "9"
    & skf18("4","2","10","8","2","10","1") = "9"
    & skf18("4","2","10","8","3","1","1") = "9"
    & skf18("4","2","10","8","3","2","1") = "9"
    & skf18("4","2","10","8","3","3","1") = "9"
    & skf18("4","2","10","8","3","4","1") = "9"
    & skf18("4","2","10","8","3","5","1") = "9"
    & skf18("4","2","10","8","3","6","1") = "9"
    & skf18("4","2","10","8","3","7","1") = "9"
    & skf18("4","2","10","8","3","8","1") = "9"
    & skf18("4","2","10","8","3","9","1") = "9"
    & skf18("4","2","10","8","3","10","1") = "9"
    & skf18("4","2","10","8","4","1","1") = "9"
    & skf18("4","2","10","8","4","2","1") = "9"
    & skf18("4","2","10","8","4","3","1") = "9"
    & skf18("4","2","10","8","4","4","1") = "9"
    & skf18("4","2","10","8","4","5","1") = "9"
    & skf18("4","2","10","8","4","6","1") = "9"
    & skf18("4","2","10","8","4","7","1") = "9"
    & skf18("4","2","10","8","4","8","1") = "9"
    & skf18("4","2","10","8","4","9","1") = "9"
    & skf18("4","2","10","8","4","10","1") = "9"
    & skf18("4","2","10","8","5","1","1") = "9"
    & skf18("4","2","10","8","5","2","1") = "9"
    & skf18("4","2","10","8","5","3","1") = "9"
    & skf18("4","2","10","8","5","4","1") = "9"
    & skf18("4","2","10","8","5","5","1") = "9"
    & skf18("4","2","10","8","5","6","1") = "9"
    & skf18("4","2","10","8","5","7","1") = "9"
    & skf18("4","2","10","8","5","8","1") = "9"
    & skf18("4","2","10","8","5","9","1") = "9"
    & skf18("4","2","10","8","5","10","1") = "9"
    & skf18("4","2","10","8","6","1","1") = "9"
    & skf18("4","2","10","8","6","2","1") = "9"
    & skf18("4","2","10","8","6","3","1") = "9"
    & skf18("4","2","10","8","6","4","1") = "9"
    & skf18("4","2","10","8","6","5","1") = "9"
    & skf18("4","2","10","8","6","6","1") = "9"
    & skf18("4","2","10","8","6","7","1") = "9"
    & skf18("4","2","10","8","6","8","1") = "9"
    & skf18("4","2","10","8","6","9","1") = "9"
    & skf18("4","2","10","8","6","10","1") = "9"
    & skf18("4","2","10","8","7","1","1") = "9"
    & skf18("4","2","10","8","7","2","1") = "9"
    & skf18("4","2","10","8","7","3","1") = "9"
    & skf18("4","2","10","8","7","4","1") = "9"
    & skf18("4","2","10","8","7","5","1") = "9"
    & skf18("4","2","10","8","7","6","1") = "9"
    & skf18("4","2","10","8","7","7","1") = "9"
    & skf18("4","2","10","8","7","8","1") = "9"
    & skf18("4","2","10","8","7","9","1") = "9"
    & skf18("4","2","10","8","7","10","1") = "9"
    & skf18("4","2","10","8","8","1","1") = "9"
    & skf18("4","2","10","8","8","2","1") = "9"
    & skf18("4","2","10","8","8","3","1") = "9"
    & skf18("4","2","10","8","8","4","1") = "9"
    & skf18("4","2","10","8","8","5","1") = "9"
    & skf18("4","2","10","8","8","6","1") = "9"
    & skf18("4","2","10","8","8","7","1") = "9"
    & skf18("4","2","10","8","8","8","1") = "9"
    & skf18("4","2","10","8","8","9","1") = "9"
    & skf18("4","2","10","8","8","10","1") = "9"
    & skf18("4","2","10","8","9","1","1") = "9"
    & skf18("4","2","10","8","9","2","1") = "9"
    & skf18("4","2","10","8","9","3","1") = "9"
    & skf18("4","2","10","8","9","4","1") = "9"
    & skf18("4","2","10","8","9","5","1") = "9"
    & skf18("4","2","10","8","9","6","1") = "9"
    & skf18("4","2","10","8","9","7","1") = "9"
    & skf18("4","2","10","8","9","8","1") = "9"
    & skf18("4","2","10","8","9","9","1") = "9"
    & skf18("4","2","10","8","9","10","1") = "9"
    & skf18("4","2","10","8","10","1","1") = "9"
    & skf18("4","2","10","8","10","2","1") = "9"
    & skf18("4","2","10","8","10","3","1") = "9"
    & skf18("4","2","10","8","10","4","1") = "9"
    & skf18("4","2","10","8","10","5","1") = "9"
    & skf18("4","2","10","8","10","6","1") = "9"
    & skf18("4","2","10","8","10","7","1") = "9"
    & skf18("4","2","10","8","10","8","1") = "9"
    & skf18("4","2","10","8","10","9","1") = "9"
    & skf18("4","2","10","8","10","10","1") = "9"
    & skf18("4","2","10","9","1","1","1") = "9"
    & skf18("4","2","10","9","1","2","1") = "9"
    & skf18("4","2","10","9","1","3","1") = "9"
    & skf18("4","2","10","9","1","4","1") = "9"
    & skf18("4","2","10","9","1","5","1") = "9"
    & skf18("4","2","10","9","1","6","1") = "9"
    & skf18("4","2","10","9","1","7","1") = "9"
    & skf18("4","2","10","9","1","8","1") = "9"
    & skf18("4","2","10","9","1","9","1") = "9"
    & skf18("4","2","10","9","1","10","1") = "9"
    & skf18("4","2","10","9","2","1","1") = "9"
    & skf18("4","2","10","9","2","2","1") = "9"
    & skf18("4","2","10","9","2","3","1") = "9"
    & skf18("4","2","10","9","2","4","1") = "9"
    & skf18("4","2","10","9","2","5","1") = "9"
    & skf18("4","2","10","9","2","6","1") = "9"
    & skf18("4","2","10","9","2","7","1") = "9"
    & skf18("4","2","10","9","2","8","1") = "9"
    & skf18("4","2","10","9","2","9","1") = "9"
    & skf18("4","2","10","9","2","10","1") = "9"
    & skf18("4","2","10","9","3","1","1") = "9"
    & skf18("4","2","10","9","3","2","1") = "9"
    & skf18("4","2","10","9","3","3","1") = "9"
    & skf18("4","2","10","9","3","4","1") = "9"
    & skf18("4","2","10","9","3","5","1") = "9"
    & skf18("4","2","10","9","3","6","1") = "9"
    & skf18("4","2","10","9","3","7","1") = "9"
    & skf18("4","2","10","9","3","8","1") = "9"
    & skf18("4","2","10","9","3","9","1") = "9"
    & skf18("4","2","10","9","3","10","1") = "9"
    & skf18("4","2","10","9","4","1","1") = "9"
    & skf18("4","2","10","9","4","2","1") = "9"
    & skf18("4","2","10","9","4","3","1") = "9"
    & skf18("4","2","10","9","4","4","1") = "9"
    & skf18("4","2","10","9","4","5","1") = "9"
    & skf18("4","2","10","9","4","6","1") = "9"
    & skf18("4","2","10","9","4","7","1") = "9"
    & skf18("4","2","10","9","4","8","1") = "9"
    & skf18("4","2","10","9","4","9","1") = "9"
    & skf18("4","2","10","9","4","10","1") = "9"
    & skf18("4","2","10","9","5","1","1") = "9"
    & skf18("4","2","10","9","5","2","1") = "9"
    & skf18("4","2","10","9","5","3","1") = "9"
    & skf18("4","2","10","9","5","4","1") = "9"
    & skf18("4","2","10","9","5","5","1") = "9"
    & skf18("4","2","10","9","5","6","1") = "9"
    & skf18("4","2","10","9","5","7","1") = "9"
    & skf18("4","2","10","9","5","8","1") = "9"
    & skf18("4","2","10","9","5","9","1") = "9"
    & skf18("4","2","10","9","5","10","1") = "9"
    & skf18("4","2","10","9","6","1","1") = "9"
    & skf18("4","2","10","9","6","2","1") = "9"
    & skf18("4","2","10","9","6","3","1") = "9"
    & skf18("4","2","10","9","6","4","1") = "9"
    & skf18("4","2","10","9","6","5","1") = "9"
    & skf18("4","2","10","9","6","6","1") = "9"
    & skf18("4","2","10","9","6","7","1") = "9"
    & skf18("4","2","10","9","6","8","1") = "9"
    & skf18("4","2","10","9","6","9","1") = "9"
    & skf18("4","2","10","9","6","10","1") = "9"
    & skf18("4","2","10","9","7","1","1") = "9"
    & skf18("4","2","10","9","7","2","1") = "9"
    & skf18("4","2","10","9","7","3","1") = "9"
    & skf18("4","2","10","9","7","4","1") = "9"
    & skf18("4","2","10","9","7","5","1") = "9"
    & skf18("4","2","10","9","7","6","1") = "9"
    & skf18("4","2","10","9","7","7","1") = "9"
    & skf18("4","2","10","9","7","8","1") = "9"
    & skf18("4","2","10","9","7","9","1") = "9"
    & skf18("4","2","10","9","7","10","1") = "9"
    & skf18("4","2","10","9","8","1","1") = "9"
    & skf18("4","2","10","9","8","2","1") = "9"
    & skf18("4","2","10","9","8","3","1") = "9"
    & skf18("4","2","10","9","8","4","1") = "9"
    & skf18("4","2","10","9","8","5","1") = "9"
    & skf18("4","2","10","9","8","6","1") = "9"
    & skf18("4","2","10","9","8","7","1") = "9"
    & skf18("4","2","10","9","8","8","1") = "9"
    & skf18("4","2","10","9","8","9","1") = "9"
    & skf18("4","2","10","9","8","10","1") = "9"
    & skf18("4","2","10","9","9","1","1") = "9"
    & skf18("4","2","10","9","9","2","1") = "9"
    & skf18("4","2","10","9","9","3","1") = "9"
    & skf18("4","2","10","9","9","4","1") = "9"
    & skf18("4","2","10","9","9","5","1") = "9"
    & skf18("4","2","10","9","9","6","1") = "9"
    & skf18("4","2","10","9","9","7","1") = "9"
    & skf18("4","2","10","9","9","8","1") = "9"
    & skf18("4","2","10","9","9","9","1") = "9"
    & skf18("4","2","10","9","9","10","1") = "9"
    & skf18("4","2","10","9","10","1","1") = "9"
    & skf18("4","2","10","9","10","2","1") = "9"
    & skf18("4","2","10","9","10","3","1") = "9"
    & skf18("4","2","10","9","10","4","1") = "9"
    & skf18("4","2","10","9","10","5","1") = "9"
    & skf18("4","2","10","9","10","6","1") = "9"
    & skf18("4","2","10","9","10","7","1") = "9"
    & skf18("4","2","10","9","10","8","1") = "9"
    & skf18("4","2","10","9","10","9","1") = "9"
    & skf18("4","2","10","9","10","10","1") = "9"
    & skf18("4","2","10","10","1","1","1") = "9"
    & skf18("4","2","10","10","1","2","1") = "9"
    & skf18("4","2","10","10","1","3","1") = "9"
    & skf18("4","2","10","10","1","4","1") = "9"
    & skf18("4","2","10","10","1","5","1") = "9"
    & skf18("4","2","10","10","1","6","1") = "9"
    & skf18("4","2","10","10","1","7","1") = "9"
    & skf18("4","2","10","10","1","8","1") = "9"
    & skf18("4","2","10","10","1","9","1") = "9"
    & skf18("4","2","10","10","1","10","1") = "9"
    & skf18("4","2","10","10","2","1","1") = "9"
    & skf18("4","2","10","10","2","2","1") = "9"
    & skf18("4","2","10","10","2","3","1") = "9"
    & skf18("4","2","10","10","2","4","1") = "9"
    & skf18("4","2","10","10","2","5","1") = "9"
    & skf18("4","2","10","10","2","6","1") = "9"
    & skf18("4","2","10","10","2","7","1") = "9"
    & skf18("4","2","10","10","2","8","1") = "9"
    & skf18("4","2","10","10","2","9","1") = "9"
    & skf18("4","2","10","10","2","10","1") = "9"
    & skf18("4","2","10","10","3","1","1") = "9"
    & skf18("4","2","10","10","3","2","1") = "9"
    & skf18("4","2","10","10","3","3","1") = "9"
    & skf18("4","2","10","10","3","4","1") = "9"
    & skf18("4","2","10","10","3","5","1") = "9"
    & skf18("4","2","10","10","3","6","1") = "9"
    & skf18("4","2","10","10","3","7","1") = "9"
    & skf18("4","2","10","10","3","8","1") = "9"
    & skf18("4","2","10","10","3","9","1") = "9"
    & skf18("4","2","10","10","3","10","1") = "9"
    & skf18("4","2","10","10","4","1","1") = "9"
    & skf18("4","2","10","10","4","2","1") = "9"
    & skf18("4","2","10","10","4","3","1") = "9"
    & skf18("4","2","10","10","4","4","1") = "9"
    & skf18("4","2","10","10","4","5","1") = "9"
    & skf18("4","2","10","10","4","6","1") = "9"
    & skf18("4","2","10","10","4","7","1") = "9"
    & skf18("4","2","10","10","4","8","1") = "9"
    & skf18("4","2","10","10","4","9","1") = "9"
    & skf18("4","2","10","10","4","10","1") = "9"
    & skf18("4","2","10","10","5","1","1") = "9"
    & skf18("4","2","10","10","5","2","1") = "9"
    & skf18("4","2","10","10","5","3","1") = "9"
    & skf18("4","2","10","10","5","4","1") = "9"
    & skf18("4","2","10","10","5","5","1") = "9"
    & skf18("4","2","10","10","5","6","1") = "9"
    & skf18("4","2","10","10","5","7","1") = "9"
    & skf18("4","2","10","10","5","8","1") = "9"
    & skf18("4","2","10","10","5","9","1") = "9"
    & skf18("4","2","10","10","5","10","1") = "9"
    & skf18("4","2","10","10","6","1","1") = "9"
    & skf18("4","2","10","10","6","2","1") = "9"
    & skf18("4","2","10","10","6","3","1") = "9"
    & skf18("4","2","10","10","6","4","1") = "9"
    & skf18("4","2","10","10","6","5","1") = "9"
    & skf18("4","2","10","10","6","6","1") = "9"
    & skf18("4","2","10","10","6","7","1") = "9"
    & skf18("4","2","10","10","6","8","1") = "9"
    & skf18("4","2","10","10","6","9","1") = "9"
    & skf18("4","2","10","10","6","10","1") = "9"
    & skf18("4","2","10","10","7","1","1") = "9"
    & skf18("4","2","10","10","7","2","1") = "9"
    & skf18("4","2","10","10","7","3","1") = "9"
    & skf18("4","2","10","10","7","4","1") = "9"
    & skf18("4","2","10","10","7","5","1") = "9"
    & skf18("4","2","10","10","7","6","1") = "9"
    & skf18("4","2","10","10","7","7","1") = "9"
    & skf18("4","2","10","10","7","8","1") = "9"
    & skf18("4","2","10","10","7","9","1") = "9"
    & skf18("4","2","10","10","7","10","1") = "9"
    & skf18("4","2","10","10","8","1","1") = "9"
    & skf18("4","2","10","10","8","2","1") = "9"
    & skf18("4","2","10","10","8","3","1") = "9"
    & skf18("4","2","10","10","8","4","1") = "9"
    & skf18("4","2","10","10","8","5","1") = "9"
    & skf18("4","2","10","10","8","6","1") = "9"
    & skf18("4","2","10","10","8","7","1") = "9"
    & skf18("4","2","10","10","8","8","1") = "9"
    & skf18("4","2","10","10","8","9","1") = "9"
    & skf18("4","2","10","10","8","10","1") = "9"
    & skf18("4","2","10","10","9","1","1") = "9"
    & skf18("4","2","10","10","9","2","1") = "9"
    & skf18("4","2","10","10","9","3","1") = "9"
    & skf18("4","2","10","10","9","4","1") = "9"
    & skf18("4","2","10","10","9","5","1") = "9"
    & skf18("4","2","10","10","9","6","1") = "9"
    & skf18("4","2","10","10","9","7","1") = "9"
    & skf18("4","2","10","10","9","8","1") = "9"
    & skf18("4","2","10","10","9","9","1") = "9"
    & skf18("4","2","10","10","9","10","1") = "9"
    & skf18("4","2","10","10","10","1","1") = "9"
    & skf18("4","2","10","10","10","2","1") = "9"
    & skf18("4","2","10","10","10","3","1") = "9"
    & skf18("4","2","10","10","10","4","1") = "9"
    & skf18("4","2","10","10","10","5","1") = "9"
    & skf18("4","2","10","10","10","6","1") = "9"
    & skf18("4","2","10","10","10","7","1") = "9"
    & skf18("4","2","10","10","10","8","1") = "9"
    & skf18("4","2","10","10","10","9","1") = "9"
    & skf18("4","2","10","10","10","10","1") = "9"
    & skf18("4","3","1","1","1","1","1") = "3"
    & skf18("4","3","1","1","1","2","1") = "3"
    & skf18("4","3","1","1","1","3","1") = "3"
    & skf18("4","3","1","1","1","4","1") = "3"
    & skf18("4","3","1","1","1","5","1") = "4"
    & skf18("4","3","1","1","1","6","1") = "5"
    & skf18("4","3","1","1","1","7","1") = "6"
    & skf18("4","3","1","1","1","8","1") = "7"
    & skf18("4","3","1","1","1","9","1") = "8"
    & skf18("4","3","1","1","1","10","1") = "9"
    & skf18("4","3","1","1","2","1","1") = "3"
    & skf18("4","3","1","1","2","2","1") = "3"
    & skf18("4","3","1","1","2","3","1") = "3"
    & skf18("4","3","1","1","2","4","1") = "3"
    & skf18("4","3","1","1","2","5","1") = "4"
    & skf18("4","3","1","1","2","6","1") = "5"
    & skf18("4","3","1","1","2","7","1") = "6"
    & skf18("4","3","1","1","2","8","1") = "7"
    & skf18("4","3","1","1","2","9","1") = "8"
    & skf18("4","3","1","1","2","10","1") = "9"
    & skf18("4","3","1","1","3","1","1") = "3"
    & skf18("4","3","1","1","3","2","1") = "3"
    & skf18("4","3","1","1","3","3","1") = "3"
    & skf18("4","3","1","1","3","4","1") = "3"
    & skf18("4","3","1","1","3","5","1") = "4"
    & skf18("4","3","1","1","3","6","1") = "5"
    & skf18("4","3","1","1","3","7","1") = "6"
    & skf18("4","3","1","1","3","8","1") = "7"
    & skf18("4","3","1","1","3","9","1") = "8"
    & skf18("4","3","1","1","3","10","1") = "9"
    & skf18("4","3","1","1","4","1","1") = "3"
    & skf18("4","3","1","1","4","2","1") = "3"
    & skf18("4","3","1","1","4","3","1") = "3"
    & skf18("4","3","1","1","4","4","1") = "3"
    & skf18("4","3","1","1","4","5","1") = "4"
    & skf18("4","3","1","1","4","6","1") = "5"
    & skf18("4","3","1","1","4","7","1") = "6"
    & skf18("4","3","1","1","4","8","1") = "7"
    & skf18("4","3","1","1","4","9","1") = "8"
    & skf18("4","3","1","1","4","10","1") = "9"
    & skf18("4","3","1","1","5","1","1") = "4"
    & skf18("4","3","1","1","5","2","1") = "4"
    & skf18("4","3","1","1","5","3","1") = "4"
    & skf18("4","3","1","1","5","4","1") = "4"
    & skf18("4","3","1","1","5","5","1") = "4"
    & skf18("4","3","1","1","5","6","1") = "5"
    & skf18("4","3","1","1","5","7","1") = "6"
    & skf18("4","3","1","1","5","8","1") = "7"
    & skf18("4","3","1","1","5","9","1") = "8"
    & skf18("4","3","1","1","5","10","1") = "9"
    & skf18("4","3","1","1","6","1","1") = "5"
    & skf18("4","3","1","1","6","2","1") = "5"
    & skf18("4","3","1","1","6","3","1") = "5"
    & skf18("4","3","1","1","6","4","1") = "5"
    & skf18("4","3","1","1","6","5","1") = "5"
    & skf18("4","3","1","1","6","6","1") = "5"
    & skf18("4","3","1","1","6","7","1") = "6"
    & skf18("4","3","1","1","6","8","1") = "7"
    & skf18("4","3","1","1","6","9","1") = "8"
    & skf18("4","3","1","1","6","10","1") = "9"
    & skf18("4","3","1","1","7","1","1") = "6"
    & skf18("4","3","1","1","7","2","1") = "6"
    & skf18("4","3","1","1","7","3","1") = "6"
    & skf18("4","3","1","1","7","4","1") = "6"
    & skf18("4","3","1","1","7","5","1") = "6"
    & skf18("4","3","1","1","7","6","1") = "6"
    & skf18("4","3","1","1","7","7","1") = "6"
    & skf18("4","3","1","1","7","8","1") = "7"
    & skf18("4","3","1","1","7","9","1") = "8"
    & skf18("4","3","1","1","7","10","1") = "9"
    & skf18("4","3","1","1","8","1","1") = "7"
    & skf18("4","3","1","1","8","2","1") = "7"
    & skf18("4","3","1","1","8","3","1") = "7"
    & skf18("4","3","1","1","8","4","1") = "7"
    & skf18("4","3","1","1","8","5","1") = "7"
    & skf18("4","3","1","1","8","6","1") = "7"
    & skf18("4","3","1","1","8","7","1") = "7"
    & skf18("4","3","1","1","8","8","1") = "7"
    & skf18("4","3","1","1","8","9","1") = "8"
    & skf18("4","3","1","1","8","10","1") = "9"
    & skf18("4","3","1","1","9","1","1") = "8"
    & skf18("4","3","1","1","9","2","1") = "8"
    & skf18("4","3","1","1","9","3","1") = "8"
    & skf18("4","3","1","1","9","4","1") = "8"
    & skf18("4","3","1","1","9","5","1") = "8"
    & skf18("4","3","1","1","9","6","1") = "8"
    & skf18("4","3","1","1","9","7","1") = "8"
    & skf18("4","3","1","1","9","8","1") = "8"
    & skf18("4","3","1","1","9","9","1") = "8"
    & skf18("4","3","1","1","9","10","1") = "9"
    & skf18("4","3","1","1","10","1","1") = "9"
    & skf18("4","3","1","1","10","2","1") = "9"
    & skf18("4","3","1","1","10","3","1") = "9"
    & skf18("4","3","1","1","10","4","1") = "9"
    & skf18("4","3","1","1","10","5","1") = "9"
    & skf18("4","3","1","1","10","6","1") = "9"
    & skf18("4","3","1","1","10","7","1") = "9"
    & skf18("4","3","1","1","10","8","1") = "9"
    & skf18("4","3","1","1","10","9","1") = "9"
    & skf18("4","3","1","1","10","10","1") = "9"
    & skf18("4","3","1","2","1","1","1") = "3"
    & skf18("4","3","1","2","1","2","1") = "3"
    & skf18("4","3","1","2","1","3","1") = "3"
    & skf18("4","3","1","2","1","4","1") = "3"
    & skf18("4","3","1","2","1","5","1") = "4"
    & skf18("4","3","1","2","1","6","1") = "5"
    & skf18("4","3","1","2","1","7","1") = "6"
    & skf18("4","3","1","2","1","8","1") = "7"
    & skf18("4","3","1","2","1","9","1") = "8"
    & skf18("4","3","1","2","1","10","1") = "9"
    & skf18("4","3","1","2","2","1","1") = "3"
    & skf18("4","3","1","2","2","2","1") = "3"
    & skf18("4","3","1","2","2","3","1") = "3"
    & skf18("4","3","1","2","2","4","1") = "3"
    & skf18("4","3","1","2","2","5","1") = "4"
    & skf18("4","3","1","2","2","6","1") = "5"
    & skf18("4","3","1","2","2","7","1") = "6"
    & skf18("4","3","1","2","2","8","1") = "7"
    & skf18("4","3","1","2","2","9","1") = "8"
    & skf18("4","3","1","2","2","10","1") = "9"
    & skf18("4","3","1","2","3","1","1") = "3"
    & skf18("4","3","1","2","3","2","1") = "3"
    & skf18("4","3","1","2","3","3","1") = "3"
    & skf18("4","3","1","2","3","4","1") = "3"
    & skf18("4","3","1","2","3","5","1") = "4"
    & skf18("4","3","1","2","3","6","1") = "5"
    & skf18("4","3","1","2","3","7","1") = "6"
    & skf18("4","3","1","2","3","8","1") = "7"
    & skf18("4","3","1","2","3","9","1") = "8"
    & skf18("4","3","1","2","3","10","1") = "9"
    & skf18("4","3","1","2","4","1","1") = "3"
    & skf18("4","3","1","2","4","2","1") = "3"
    & skf18("4","3","1","2","4","3","1") = "3"
    & skf18("4","3","1","2","4","4","1") = "3"
    & skf18("4","3","1","2","4","5","1") = "4"
    & skf18("4","3","1","2","4","6","1") = "5"
    & skf18("4","3","1","2","4","7","1") = "6"
    & skf18("4","3","1","2","4","8","1") = "7"
    & skf18("4","3","1","2","4","9","1") = "8"
    & skf18("4","3","1","2","4","10","1") = "9"
    & skf18("4","3","1","2","5","1","1") = "4"
    & skf18("4","3","1","2","5","2","1") = "4"
    & skf18("4","3","1","2","5","3","1") = "4"
    & skf18("4","3","1","2","5","4","1") = "4"
    & skf18("4","3","1","2","5","5","1") = "4"
    & skf18("4","3","1","2","5","6","1") = "5"
    & skf18("4","3","1","2","5","7","1") = "6"
    & skf18("4","3","1","2","5","8","1") = "7"
    & skf18("4","3","1","2","5","9","1") = "8"
    & skf18("4","3","1","2","5","10","1") = "9"
    & skf18("4","3","1","2","6","1","1") = "5"
    & skf18("4","3","1","2","6","2","1") = "5"
    & skf18("4","3","1","2","6","3","1") = "5"
    & skf18("4","3","1","2","6","4","1") = "5"
    & skf18("4","3","1","2","6","5","1") = "5"
    & skf18("4","3","1","2","6","6","1") = "5"
    & skf18("4","3","1","2","6","7","1") = "6"
    & skf18("4","3","1","2","6","8","1") = "7"
    & skf18("4","3","1","2","6","9","1") = "8"
    & skf18("4","3","1","2","6","10","1") = "9"
    & skf18("4","3","1","2","7","1","1") = "6"
    & skf18("4","3","1","2","7","2","1") = "6"
    & skf18("4","3","1","2","7","3","1") = "6"
    & skf18("4","3","1","2","7","4","1") = "6"
    & skf18("4","3","1","2","7","5","1") = "6"
    & skf18("4","3","1","2","7","6","1") = "6"
    & skf18("4","3","1","2","7","7","1") = "6"
    & skf18("4","3","1","2","7","8","1") = "7"
    & skf18("4","3","1","2","7","9","1") = "8"
    & skf18("4","3","1","2","7","10","1") = "9"
    & skf18("4","3","1","2","8","1","1") = "7"
    & skf18("4","3","1","2","8","2","1") = "7"
    & skf18("4","3","1","2","8","3","1") = "7"
    & skf18("4","3","1","2","8","4","1") = "7"
    & skf18("4","3","1","2","8","5","1") = "7"
    & skf18("4","3","1","2","8","6","1") = "7"
    & skf18("4","3","1","2","8","7","1") = "7"
    & skf18("4","3","1","2","8","8","1") = "7"
    & skf18("4","3","1","2","8","9","1") = "8"
    & skf18("4","3","1","2","8","10","1") = "9"
    & skf18("4","3","1","2","9","1","1") = "8"
    & skf18("4","3","1","2","9","2","1") = "8"
    & skf18("4","3","1","2","9","3","1") = "8"
    & skf18("4","3","1","2","9","4","1") = "8"
    & skf18("4","3","1","2","9","5","1") = "8"
    & skf18("4","3","1","2","9","6","1") = "8"
    & skf18("4","3","1","2","9","7","1") = "8"
    & skf18("4","3","1","2","9","8","1") = "8"
    & skf18("4","3","1","2","9","9","1") = "8"
    & skf18("4","3","1","2","9","10","1") = "9"
    & skf18("4","3","1","2","10","1","1") = "9"
    & skf18("4","3","1","2","10","2","1") = "9"
    & skf18("4","3","1","2","10","3","1") = "9"
    & skf18("4","3","1","2","10","4","1") = "9"
    & skf18("4","3","1","2","10","5","1") = "9"
    & skf18("4","3","1","2","10","6","1") = "9"
    & skf18("4","3","1","2","10","7","1") = "9"
    & skf18("4","3","1","2","10","8","1") = "9"
    & skf18("4","3","1","2","10","9","1") = "9"
    & skf18("4","3","1","2","10","10","1") = "9"
    & skf18("4","3","1","3","1","1","1") = "3"
    & skf18("4","3","1","3","1","2","1") = "3"
    & skf18("4","3","1","3","1","3","1") = "3"
    & skf18("4","3","1","3","1","4","1") = "3"
    & skf18("4","3","1","3","1","5","1") = "4"
    & skf18("4","3","1","3","1","6","1") = "5"
    & skf18("4","3","1","3","1","7","1") = "6"
    & skf18("4","3","1","3","1","8","1") = "7"
    & skf18("4","3","1","3","1","9","1") = "8"
    & skf18("4","3","1","3","1","10","1") = "9"
    & skf18("4","3","1","3","2","1","1") = "3"
    & skf18("4","3","1","3","2","2","1") = "3"
    & skf18("4","3","1","3","2","3","1") = "3"
    & skf18("4","3","1","3","2","4","1") = "3"
    & skf18("4","3","1","3","2","5","1") = "4"
    & skf18("4","3","1","3","2","6","1") = "5"
    & skf18("4","3","1","3","2","7","1") = "6"
    & skf18("4","3","1","3","2","8","1") = "7"
    & skf18("4","3","1","3","2","9","1") = "8"
    & skf18("4","3","1","3","2","10","1") = "9"
    & skf18("4","3","1","3","3","1","1") = "3"
    & skf18("4","3","1","3","3","2","1") = "3"
    & skf18("4","3","1","3","3","3","1") = "3"
    & skf18("4","3","1","3","3","4","1") = "3"
    & skf18("4","3","1","3","3","5","1") = "4"
    & skf18("4","3","1","3","3","6","1") = "5"
    & skf18("4","3","1","3","3","7","1") = "6"
    & skf18("4","3","1","3","3","8","1") = "7"
    & skf18("4","3","1","3","3","9","1") = "8"
    & skf18("4","3","1","3","3","10","1") = "9"
    & skf18("4","3","1","3","4","1","1") = "3"
    & skf18("4","3","1","3","4","2","1") = "3"
    & skf18("4","3","1","3","4","3","1") = "3"
    & skf18("4","3","1","3","4","4","1") = "3"
    & skf18("4","3","1","3","4","5","1") = "4"
    & skf18("4","3","1","3","4","6","1") = "5"
    & skf18("4","3","1","3","4","7","1") = "6"
    & skf18("4","3","1","3","4","8","1") = "7"
    & skf18("4","3","1","3","4","9","1") = "8"
    & skf18("4","3","1","3","4","10","1") = "9"
    & skf18("4","3","1","3","5","1","1") = "4"
    & skf18("4","3","1","3","5","2","1") = "4"
    & skf18("4","3","1","3","5","3","1") = "4"
    & skf18("4","3","1","3","5","4","1") = "4"
    & skf18("4","3","1","3","5","5","1") = "4"
    & skf18("4","3","1","3","5","6","1") = "5"
    & skf18("4","3","1","3","5","7","1") = "6"
    & skf18("4","3","1","3","5","8","1") = "7"
    & skf18("4","3","1","3","5","9","1") = "8"
    & skf18("4","3","1","3","5","10","1") = "9"
    & skf18("4","3","1","3","6","1","1") = "5"
    & skf18("4","3","1","3","6","2","1") = "5"
    & skf18("4","3","1","3","6","3","1") = "5"
    & skf18("4","3","1","3","6","4","1") = "5"
    & skf18("4","3","1","3","6","5","1") = "5"
    & skf18("4","3","1","3","6","6","1") = "5"
    & skf18("4","3","1","3","6","7","1") = "6"
    & skf18("4","3","1","3","6","8","1") = "7"
    & skf18("4","3","1","3","6","9","1") = "8"
    & skf18("4","3","1","3","6","10","1") = "9"
    & skf18("4","3","1","3","7","1","1") = "6"
    & skf18("4","3","1","3","7","2","1") = "6"
    & skf18("4","3","1","3","7","3","1") = "6"
    & skf18("4","3","1","3","7","4","1") = "6"
    & skf18("4","3","1","3","7","5","1") = "6"
    & skf18("4","3","1","3","7","6","1") = "6"
    & skf18("4","3","1","3","7","7","1") = "6"
    & skf18("4","3","1","3","7","8","1") = "7"
    & skf18("4","3","1","3","7","9","1") = "8"
    & skf18("4","3","1","3","7","10","1") = "9"
    & skf18("4","3","1","3","8","1","1") = "7"
    & skf18("4","3","1","3","8","2","1") = "7"
    & skf18("4","3","1","3","8","3","1") = "7"
    & skf18("4","3","1","3","8","4","1") = "7"
    & skf18("4","3","1","3","8","5","1") = "7"
    & skf18("4","3","1","3","8","6","1") = "7"
    & skf18("4","3","1","3","8","7","1") = "7"
    & skf18("4","3","1","3","8","8","1") = "7"
    & skf18("4","3","1","3","8","9","1") = "8"
    & skf18("4","3","1","3","8","10","1") = "9"
    & skf18("4","3","1","3","9","1","1") = "8"
    & skf18("4","3","1","3","9","2","1") = "8"
    & skf18("4","3","1","3","9","3","1") = "8"
    & skf18("4","3","1","3","9","4","1") = "8"
    & skf18("4","3","1","3","9","5","1") = "8"
    & skf18("4","3","1","3","9","6","1") = "8"
    & skf18("4","3","1","3","9","7","1") = "8"
    & skf18("4","3","1","3","9","8","1") = "8"
    & skf18("4","3","1","3","9","9","1") = "8"
    & skf18("4","3","1","3","9","10","1") = "9"
    & skf18("4","3","1","3","10","1","1") = "9"
    & skf18("4","3","1","3","10","2","1") = "9"
    & skf18("4","3","1","3","10","3","1") = "9"
    & skf18("4","3","1","3","10","4","1") = "9"
    & skf18("4","3","1","3","10","5","1") = "9"
    & skf18("4","3","1","3","10","6","1") = "9"
    & skf18("4","3","1","3","10","7","1") = "9"
    & skf18("4","3","1","3","10","8","1") = "9"
    & skf18("4","3","1","3","10","9","1") = "9"
    & skf18("4","3","1","3","10","10","1") = "9"
    & skf18("4","3","1","4","1","1","1") = "3"
    & skf18("4","3","1","4","1","2","1") = "3"
    & skf18("4","3","1","4","1","3","1") = "3"
    & skf18("4","3","1","4","1","4","1") = "3"
    & skf18("4","3","1","4","1","5","1") = "4"
    & skf18("4","3","1","4","1","6","1") = "5"
    & skf18("4","3","1","4","1","7","1") = "6"
    & skf18("4","3","1","4","1","8","1") = "7"
    & skf18("4","3","1","4","1","9","1") = "8"
    & skf18("4","3","1","4","1","10","1") = "9"
    & skf18("4","3","1","4","2","1","1") = "3"
    & skf18("4","3","1","4","2","2","1") = "3"
    & skf18("4","3","1","4","2","3","1") = "3"
    & skf18("4","3","1","4","2","4","1") = "3"
    & skf18("4","3","1","4","2","5","1") = "4"
    & skf18("4","3","1","4","2","6","1") = "5"
    & skf18("4","3","1","4","2","7","1") = "6"
    & skf18("4","3","1","4","2","8","1") = "7"
    & skf18("4","3","1","4","2","9","1") = "8"
    & skf18("4","3","1","4","2","10","1") = "9"
    & skf18("4","3","1","4","3","1","1") = "3"
    & skf18("4","3","1","4","3","2","1") = "3"
    & skf18("4","3","1","4","3","3","1") = "3"
    & skf18("4","3","1","4","3","4","1") = "3"
    & skf18("4","3","1","4","3","5","1") = "4"
    & skf18("4","3","1","4","3","6","1") = "5"
    & skf18("4","3","1","4","3","7","1") = "6"
    & skf18("4","3","1","4","3","8","1") = "7"
    & skf18("4","3","1","4","3","9","1") = "8"
    & skf18("4","3","1","4","3","10","1") = "9"
    & skf18("4","3","1","4","4","1","1") = "3"
    & skf18("4","3","1","4","4","2","1") = "3"
    & skf18("4","3","1","4","4","3","1") = "3"
    & skf18("4","3","1","4","4","4","1") = "3"
    & skf18("4","3","1","4","4","5","1") = "4"
    & skf18("4","3","1","4","4","6","1") = "5"
    & skf18("4","3","1","4","4","7","1") = "6"
    & skf18("4","3","1","4","4","8","1") = "7"
    & skf18("4","3","1","4","4","9","1") = "8"
    & skf18("4","3","1","4","4","10","1") = "9"
    & skf18("4","3","1","4","5","1","1") = "4"
    & skf18("4","3","1","4","5","2","1") = "4"
    & skf18("4","3","1","4","5","3","1") = "4"
    & skf18("4","3","1","4","5","4","1") = "4"
    & skf18("4","3","1","4","5","5","1") = "4"
    & skf18("4","3","1","4","5","6","1") = "5"
    & skf18("4","3","1","4","5","7","1") = "6"
    & skf18("4","3","1","4","5","8","1") = "7"
    & skf18("4","3","1","4","5","9","1") = "8"
    & skf18("4","3","1","4","5","10","1") = "9"
    & skf18("4","3","1","4","6","1","1") = "5"
    & skf18("4","3","1","4","6","2","1") = "5"
    & skf18("4","3","1","4","6","3","1") = "5"
    & skf18("4","3","1","4","6","4","1") = "5"
    & skf18("4","3","1","4","6","5","1") = "5"
    & skf18("4","3","1","4","6","6","1") = "5"
    & skf18("4","3","1","4","6","7","1") = "6"
    & skf18("4","3","1","4","6","8","1") = "7"
    & skf18("4","3","1","4","6","9","1") = "8"
    & skf18("4","3","1","4","6","10","1") = "9"
    & skf18("4","3","1","4","7","1","1") = "6"
    & skf18("4","3","1","4","7","2","1") = "6"
    & skf18("4","3","1","4","7","3","1") = "6"
    & skf18("4","3","1","4","7","4","1") = "6"
    & skf18("4","3","1","4","7","5","1") = "6"
    & skf18("4","3","1","4","7","6","1") = "6"
    & skf18("4","3","1","4","7","7","1") = "6"
    & skf18("4","3","1","4","7","8","1") = "7"
    & skf18("4","3","1","4","7","9","1") = "8"
    & skf18("4","3","1","4","7","10","1") = "9"
    & skf18("4","3","1","4","8","1","1") = "7"
    & skf18("4","3","1","4","8","2","1") = "7"
    & skf18("4","3","1","4","8","3","1") = "7"
    & skf18("4","3","1","4","8","4","1") = "7"
    & skf18("4","3","1","4","8","5","1") = "7"
    & skf18("4","3","1","4","8","6","1") = "7"
    & skf18("4","3","1","4","8","7","1") = "7"
    & skf18("4","3","1","4","8","8","1") = "7"
    & skf18("4","3","1","4","8","9","1") = "8"
    & skf18("4","3","1","4","8","10","1") = "9"
    & skf18("4","3","1","4","9","1","1") = "8"
    & skf18("4","3","1","4","9","2","1") = "8"
    & skf18("4","3","1","4","9","3","1") = "8"
    & skf18("4","3","1","4","9","4","1") = "8"
    & skf18("4","3","1","4","9","5","1") = "8"
    & skf18("4","3","1","4","9","6","1") = "8"
    & skf18("4","3","1","4","9","7","1") = "8"
    & skf18("4","3","1","4","9","8","1") = "8"
    & skf18("4","3","1","4","9","9","1") = "8"
    & skf18("4","3","1","4","9","10","1") = "9"
    & skf18("4","3","1","4","10","1","1") = "9"
    & skf18("4","3","1","4","10","2","1") = "9"
    & skf18("4","3","1","4","10","3","1") = "9"
    & skf18("4","3","1","4","10","4","1") = "9"
    & skf18("4","3","1","4","10","5","1") = "9"
    & skf18("4","3","1","4","10","6","1") = "9"
    & skf18("4","3","1","4","10","7","1") = "9"
    & skf18("4","3","1","4","10","8","1") = "9"
    & skf18("4","3","1","4","10","9","1") = "9"
    & skf18("4","3","1","4","10","10","1") = "9"
    & skf18("4","3","1","5","1","1","1") = "4"
    & skf18("4","3","1","5","1","2","1") = "4"
    & skf18("4","3","1","5","1","3","1") = "4"
    & skf18("4","3","1","5","1","4","1") = "4"
    & skf18("4","3","1","5","1","5","1") = "4"
    & skf18("4","3","1","5","1","6","1") = "5"
    & skf18("4","3","1","5","1","7","1") = "6"
    & skf18("4","3","1","5","1","8","1") = "7"
    & skf18("4","3","1","5","1","9","1") = "8"
    & skf18("4","3","1","5","1","10","1") = "9"
    & skf18("4","3","1","5","2","1","1") = "4"
    & skf18("4","3","1","5","2","2","1") = "4"
    & skf18("4","3","1","5","2","3","1") = "4"
    & skf18("4","3","1","5","2","4","1") = "4"
    & skf18("4","3","1","5","2","5","1") = "4"
    & skf18("4","3","1","5","2","6","1") = "5"
    & skf18("4","3","1","5","2","7","1") = "6"
    & skf18("4","3","1","5","2","8","1") = "7"
    & skf18("4","3","1","5","2","9","1") = "8"
    & skf18("4","3","1","5","2","10","1") = "9"
    & skf18("4","3","1","5","3","1","1") = "4"
    & skf18("4","3","1","5","3","2","1") = "4"
    & skf18("4","3","1","5","3","3","1") = "4"
    & skf18("4","3","1","5","3","4","1") = "4"
    & skf18("4","3","1","5","3","5","1") = "4"
    & skf18("4","3","1","5","3","6","1") = "5"
    & skf18("4","3","1","5","3","7","1") = "6"
    & skf18("4","3","1","5","3","8","1") = "7"
    & skf18("4","3","1","5","3","9","1") = "8"
    & skf18("4","3","1","5","3","10","1") = "9"
    & skf18("4","3","1","5","4","1","1") = "4"
    & skf18("4","3","1","5","4","2","1") = "4"
    & skf18("4","3","1","5","4","3","1") = "4"
    & skf18("4","3","1","5","4","4","1") = "4"
    & skf18("4","3","1","5","4","5","1") = "4"
    & skf18("4","3","1","5","4","6","1") = "5"
    & skf18("4","3","1","5","4","7","1") = "6"
    & skf18("4","3","1","5","4","8","1") = "7"
    & skf18("4","3","1","5","4","9","1") = "8"
    & skf18("4","3","1","5","4","10","1") = "9"
    & skf18("4","3","1","5","5","1","1") = "4"
    & skf18("4","3","1","5","5","2","1") = "4"
    & skf18("4","3","1","5","5","3","1") = "4"
    & skf18("4","3","1","5","5","4","1") = "4"
    & skf18("4","3","1","5","5","5","1") = "4"
    & skf18("4","3","1","5","5","6","1") = "5"
    & skf18("4","3","1","5","5","7","1") = "6"
    & skf18("4","3","1","5","5","8","1") = "7"
    & skf18("4","3","1","5","5","9","1") = "8"
    & skf18("4","3","1","5","5","10","1") = "9"
    & skf18("4","3","1","5","6","1","1") = "5"
    & skf18("4","3","1","5","6","2","1") = "5"
    & skf18("4","3","1","5","6","3","1") = "5"
    & skf18("4","3","1","5","6","4","1") = "5"
    & skf18("4","3","1","5","6","5","1") = "5"
    & skf18("4","3","1","5","6","6","1") = "5"
    & skf18("4","3","1","5","6","7","1") = "6"
    & skf18("4","3","1","5","6","8","1") = "7"
    & skf18("4","3","1","5","6","9","1") = "8"
    & skf18("4","3","1","5","6","10","1") = "9"
    & skf18("4","3","1","5","7","1","1") = "6"
    & skf18("4","3","1","5","7","2","1") = "6"
    & skf18("4","3","1","5","7","3","1") = "6"
    & skf18("4","3","1","5","7","4","1") = "6"
    & skf18("4","3","1","5","7","5","1") = "6"
    & skf18("4","3","1","5","7","6","1") = "6"
    & skf18("4","3","1","5","7","7","1") = "6"
    & skf18("4","3","1","5","7","8","1") = "7"
    & skf18("4","3","1","5","7","9","1") = "8"
    & skf18("4","3","1","5","7","10","1") = "9"
    & skf18("4","3","1","5","8","1","1") = "7"
    & skf18("4","3","1","5","8","2","1") = "7"
    & skf18("4","3","1","5","8","3","1") = "7"
    & skf18("4","3","1","5","8","4","1") = "7"
    & skf18("4","3","1","5","8","5","1") = "7"
    & skf18("4","3","1","5","8","6","1") = "7"
    & skf18("4","3","1","5","8","7","1") = "7"
    & skf18("4","3","1","5","8","8","1") = "7"
    & skf18("4","3","1","5","8","9","1") = "8"
    & skf18("4","3","1","5","8","10","1") = "9"
    & skf18("4","3","1","5","9","1","1") = "8"
    & skf18("4","3","1","5","9","2","1") = "8"
    & skf18("4","3","1","5","9","3","1") = "8"
    & skf18("4","3","1","5","9","4","1") = "8"
    & skf18("4","3","1","5","9","5","1") = "8"
    & skf18("4","3","1","5","9","6","1") = "8"
    & skf18("4","3","1","5","9","7","1") = "8"
    & skf18("4","3","1","5","9","8","1") = "8"
    & skf18("4","3","1","5","9","9","1") = "8"
    & skf18("4","3","1","5","9","10","1") = "9"
    & skf18("4","3","1","5","10","1","1") = "9"
    & skf18("4","3","1","5","10","2","1") = "9"
    & skf18("4","3","1","5","10","3","1") = "9"
    & skf18("4","3","1","5","10","4","1") = "9"
    & skf18("4","3","1","5","10","5","1") = "9"
    & skf18("4","3","1","5","10","6","1") = "9"
    & skf18("4","3","1","5","10","7","1") = "9"
    & skf18("4","3","1","5","10","8","1") = "9"
    & skf18("4","3","1","5","10","9","1") = "9"
    & skf18("4","3","1","5","10","10","1") = "9"
    & skf18("4","3","1","6","1","1","1") = "5"
    & skf18("4","3","1","6","1","2","1") = "5"
    & skf18("4","3","1","6","1","3","1") = "5"
    & skf18("4","3","1","6","1","4","1") = "5"
    & skf18("4","3","1","6","1","5","1") = "5"
    & skf18("4","3","1","6","1","6","1") = "5"
    & skf18("4","3","1","6","1","7","1") = "6"
    & skf18("4","3","1","6","1","8","1") = "7"
    & skf18("4","3","1","6","1","9","1") = "8"
    & skf18("4","3","1","6","1","10","1") = "9"
    & skf18("4","3","1","6","2","1","1") = "5"
    & skf18("4","3","1","6","2","2","1") = "5"
    & skf18("4","3","1","6","2","3","1") = "5"
    & skf18("4","3","1","6","2","4","1") = "5"
    & skf18("4","3","1","6","2","5","1") = "5"
    & skf18("4","3","1","6","2","6","1") = "5"
    & skf18("4","3","1","6","2","7","1") = "6"
    & skf18("4","3","1","6","2","8","1") = "7"
    & skf18("4","3","1","6","2","9","1") = "8"
    & skf18("4","3","1","6","2","10","1") = "9"
    & skf18("4","3","1","6","3","1","1") = "5"
    & skf18("4","3","1","6","3","2","1") = "5"
    & skf18("4","3","1","6","3","3","1") = "5"
    & skf18("4","3","1","6","3","4","1") = "5"
    & skf18("4","3","1","6","3","5","1") = "5"
    & skf18("4","3","1","6","3","6","1") = "5"
    & skf18("4","3","1","6","3","7","1") = "6"
    & skf18("4","3","1","6","3","8","1") = "7"
    & skf18("4","3","1","6","3","9","1") = "8"
    & skf18("4","3","1","6","3","10","1") = "9"
    & skf18("4","3","1","6","4","1","1") = "5"
    & skf18("4","3","1","6","4","2","1") = "5"
    & skf18("4","3","1","6","4","3","1") = "5"
    & skf18("4","3","1","6","4","4","1") = "5"
    & skf18("4","3","1","6","4","5","1") = "5"
    & skf18("4","3","1","6","4","6","1") = "5"
    & skf18("4","3","1","6","4","7","1") = "6"
    & skf18("4","3","1","6","4","8","1") = "7"
    & skf18("4","3","1","6","4","9","1") = "8"
    & skf18("4","3","1","6","4","10","1") = "9"
    & skf18("4","3","1","6","5","1","1") = "5"
    & skf18("4","3","1","6","5","2","1") = "5"
    & skf18("4","3","1","6","5","3","1") = "5"
    & skf18("4","3","1","6","5","4","1") = "5"
    & skf18("4","3","1","6","5","5","1") = "5"
    & skf18("4","3","1","6","5","6","1") = "5"
    & skf18("4","3","1","6","5","7","1") = "6"
    & skf18("4","3","1","6","5","8","1") = "7"
    & skf18("4","3","1","6","5","9","1") = "8"
    & skf18("4","3","1","6","5","10","1") = "9"
    & skf18("4","3","1","6","6","1","1") = "5"
    & skf18("4","3","1","6","6","2","1") = "5"
    & skf18("4","3","1","6","6","3","1") = "5"
    & skf18("4","3","1","6","6","4","1") = "5"
    & skf18("4","3","1","6","6","5","1") = "5"
    & skf18("4","3","1","6","6","6","1") = "5"
    & skf18("4","3","1","6","6","7","1") = "6"
    & skf18("4","3","1","6","6","8","1") = "7"
    & skf18("4","3","1","6","6","9","1") = "8"
    & skf18("4","3","1","6","6","10","1") = "9"
    & skf18("4","3","1","6","7","1","1") = "6"
    & skf18("4","3","1","6","7","2","1") = "6"
    & skf18("4","3","1","6","7","3","1") = "6"
    & skf18("4","3","1","6","7","4","1") = "6"
    & skf18("4","3","1","6","7","5","1") = "6"
    & skf18("4","3","1","6","7","6","1") = "6"
    & skf18("4","3","1","6","7","7","1") = "6"
    & skf18("4","3","1","6","7","8","1") = "7"
    & skf18("4","3","1","6","7","9","1") = "8"
    & skf18("4","3","1","6","7","10","1") = "9"
    & skf18("4","3","1","6","8","1","1") = "7"
    & skf18("4","3","1","6","8","2","1") = "7"
    & skf18("4","3","1","6","8","3","1") = "7"
    & skf18("4","3","1","6","8","4","1") = "7"
    & skf18("4","3","1","6","8","5","1") = "7"
    & skf18("4","3","1","6","8","6","1") = "7"
    & skf18("4","3","1","6","8","7","1") = "7"
    & skf18("4","3","1","6","8","8","1") = "7"
    & skf18("4","3","1","6","8","9","1") = "8"
    & skf18("4","3","1","6","8","10","1") = "9"
    & skf18("4","3","1","6","9","1","1") = "8"
    & skf18("4","3","1","6","9","2","1") = "8"
    & skf18("4","3","1","6","9","3","1") = "8"
    & skf18("4","3","1","6","9","4","1") = "8"
    & skf18("4","3","1","6","9","5","1") = "8"
    & skf18("4","3","1","6","9","6","1") = "8"
    & skf18("4","3","1","6","9","7","1") = "8"
    & skf18("4","3","1","6","9","8","1") = "8"
    & skf18("4","3","1","6","9","9","1") = "8"
    & skf18("4","3","1","6","9","10","1") = "9"
    & skf18("4","3","1","6","10","1","1") = "9"
    & skf18("4","3","1","6","10","2","1") = "9"
    & skf18("4","3","1","6","10","3","1") = "9"
    & skf18("4","3","1","6","10","4","1") = "9"
    & skf18("4","3","1","6","10","5","1") = "9"
    & skf18("4","3","1","6","10","6","1") = "9"
    & skf18("4","3","1","6","10","7","1") = "9"
    & skf18("4","3","1","6","10","8","1") = "9"
    & skf18("4","3","1","6","10","9","1") = "9"
    & skf18("4","3","1","6","10","10","1") = "9"
    & skf18("4","3","1","7","1","1","1") = "6"
    & skf18("4","3","1","7","1","2","1") = "6"
    & skf18("4","3","1","7","1","3","1") = "6"
    & skf18("4","3","1","7","1","4","1") = "6"
    & skf18("4","3","1","7","1","5","1") = "6"
    & skf18("4","3","1","7","1","6","1") = "6"
    & skf18("4","3","1","7","1","7","1") = "6"
    & skf18("4","3","1","7","1","8","1") = "7"
    & skf18("4","3","1","7","1","9","1") = "8"
    & skf18("4","3","1","7","1","10","1") = "9"
    & skf18("4","3","1","7","2","1","1") = "6"
    & skf18("4","3","1","7","2","2","1") = "6"
    & skf18("4","3","1","7","2","3","1") = "6"
    & skf18("4","3","1","7","2","4","1") = "6"
    & skf18("4","3","1","7","2","5","1") = "6"
    & skf18("4","3","1","7","2","6","1") = "6"
    & skf18("4","3","1","7","2","7","1") = "6"
    & skf18("4","3","1","7","2","8","1") = "7"
    & skf18("4","3","1","7","2","9","1") = "8"
    & skf18("4","3","1","7","2","10","1") = "9"
    & skf18("4","3","1","7","3","1","1") = "6"
    & skf18("4","3","1","7","3","2","1") = "6"
    & skf18("4","3","1","7","3","3","1") = "6"
    & skf18("4","3","1","7","3","4","1") = "6"
    & skf18("4","3","1","7","3","5","1") = "6"
    & skf18("4","3","1","7","3","6","1") = "6"
    & skf18("4","3","1","7","3","7","1") = "6"
    & skf18("4","3","1","7","3","8","1") = "7"
    & skf18("4","3","1","7","3","9","1") = "8"
    & skf18("4","3","1","7","3","10","1") = "9"
    & skf18("4","3","1","7","4","1","1") = "6"
    & skf18("4","3","1","7","4","2","1") = "6"
    & skf18("4","3","1","7","4","3","1") = "6"
    & skf18("4","3","1","7","4","4","1") = "6"
    & skf18("4","3","1","7","4","5","1") = "6"
    & skf18("4","3","1","7","4","6","1") = "6"
    & skf18("4","3","1","7","4","7","1") = "6"
    & skf18("4","3","1","7","4","8","1") = "7"
    & skf18("4","3","1","7","4","9","1") = "8"
    & skf18("4","3","1","7","4","10","1") = "9"
    & skf18("4","3","1","7","5","1","1") = "6"
    & skf18("4","3","1","7","5","2","1") = "6"
    & skf18("4","3","1","7","5","3","1") = "6"
    & skf18("4","3","1","7","5","4","1") = "6"
    & skf18("4","3","1","7","5","5","1") = "6"
    & skf18("4","3","1","7","5","6","1") = "6"
    & skf18("4","3","1","7","5","7","1") = "6"
    & skf18("4","3","1","7","5","8","1") = "7"
    & skf18("4","3","1","7","5","9","1") = "8"
    & skf18("4","3","1","7","5","10","1") = "9"
    & skf18("4","3","1","7","6","1","1") = "6"
    & skf18("4","3","1","7","6","2","1") = "6"
    & skf18("4","3","1","7","6","3","1") = "6"
    & skf18("4","3","1","7","6","4","1") = "6"
    & skf18("4","3","1","7","6","5","1") = "6"
    & skf18("4","3","1","7","6","6","1") = "6"
    & skf18("4","3","1","7","6","7","1") = "6"
    & skf18("4","3","1","7","6","8","1") = "7"
    & skf18("4","3","1","7","6","9","1") = "8"
    & skf18("4","3","1","7","6","10","1") = "9"
    & skf18("4","3","1","7","7","1","1") = "6"
    & skf18("4","3","1","7","7","2","1") = "6"
    & skf18("4","3","1","7","7","3","1") = "6"
    & skf18("4","3","1","7","7","4","1") = "6"
    & skf18("4","3","1","7","7","5","1") = "6"
    & skf18("4","3","1","7","7","6","1") = "6"
    & skf18("4","3","1","7","7","7","1") = "6"
    & skf18("4","3","1","7","7","8","1") = "7"
    & skf18("4","3","1","7","7","9","1") = "8"
    & skf18("4","3","1","7","7","10","1") = "9"
    & skf18("4","3","1","7","8","1","1") = "7"
    & skf18("4","3","1","7","8","2","1") = "7"
    & skf18("4","3","1","7","8","3","1") = "7"
    & skf18("4","3","1","7","8","4","1") = "7"
    & skf18("4","3","1","7","8","5","1") = "7"
    & skf18("4","3","1","7","8","6","1") = "7"
    & skf18("4","3","1","7","8","7","1") = "7"
    & skf18("4","3","1","7","8","8","1") = "7"
    & skf18("4","3","1","7","8","9","1") = "8"
    & skf18("4","3","1","7","8","10","1") = "9"
    & skf18("4","3","1","7","9","1","1") = "8"
    & skf18("4","3","1","7","9","2","1") = "8"
    & skf18("4","3","1","7","9","3","1") = "8"
    & skf18("4","3","1","7","9","4","1") = "8"
    & skf18("4","3","1","7","9","5","1") = "8"
    & skf18("4","3","1","7","9","6","1") = "8"
    & skf18("4","3","1","7","9","7","1") = "8"
    & skf18("4","3","1","7","9","8","1") = "8"
    & skf18("4","3","1","7","9","9","1") = "8"
    & skf18("4","3","1","7","9","10","1") = "9"
    & skf18("4","3","1","7","10","1","1") = "9"
    & skf18("4","3","1","7","10","2","1") = "9"
    & skf18("4","3","1","7","10","3","1") = "9"
    & skf18("4","3","1","7","10","4","1") = "9"
    & skf18("4","3","1","7","10","5","1") = "9"
    & skf18("4","3","1","7","10","6","1") = "9"
    & skf18("4","3","1","7","10","7","1") = "9"
    & skf18("4","3","1","7","10","8","1") = "9"
    & skf18("4","3","1","7","10","9","1") = "9"
    & skf18("4","3","1","7","10","10","1") = "9"
    & skf18("4","3","1","8","1","1","1") = "7"
    & skf18("4","3","1","8","1","2","1") = "7"
    & skf18("4","3","1","8","1","3","1") = "7"
    & skf18("4","3","1","8","1","4","1") = "7"
    & skf18("4","3","1","8","1","5","1") = "7"
    & skf18("4","3","1","8","1","6","1") = "7"
    & skf18("4","3","1","8","1","7","1") = "7"
    & skf18("4","3","1","8","1","8","1") = "7"
    & skf18("4","3","1","8","1","9","1") = "8"
    & skf18("4","3","1","8","1","10","1") = "9"
    & skf18("4","3","1","8","2","1","1") = "7"
    & skf18("4","3","1","8","2","2","1") = "7"
    & skf18("4","3","1","8","2","3","1") = "7"
    & skf18("4","3","1","8","2","4","1") = "7"
    & skf18("4","3","1","8","2","5","1") = "7"
    & skf18("4","3","1","8","2","6","1") = "7"
    & skf18("4","3","1","8","2","7","1") = "7"
    & skf18("4","3","1","8","2","8","1") = "7"
    & skf18("4","3","1","8","2","9","1") = "8"
    & skf18("4","3","1","8","2","10","1") = "9"
    & skf18("4","3","1","8","3","1","1") = "7"
    & skf18("4","3","1","8","3","2","1") = "7"
    & skf18("4","3","1","8","3","3","1") = "7"
    & skf18("4","3","1","8","3","4","1") = "7"
    & skf18("4","3","1","8","3","5","1") = "7"
    & skf18("4","3","1","8","3","6","1") = "7"
    & skf18("4","3","1","8","3","7","1") = "7"
    & skf18("4","3","1","8","3","8","1") = "7"
    & skf18("4","3","1","8","3","9","1") = "8"
    & skf18("4","3","1","8","3","10","1") = "9"
    & skf18("4","3","1","8","4","1","1") = "7"
    & skf18("4","3","1","8","4","2","1") = "7"
    & skf18("4","3","1","8","4","3","1") = "7"
    & skf18("4","3","1","8","4","4","1") = "7"
    & skf18("4","3","1","8","4","5","1") = "7"
    & skf18("4","3","1","8","4","6","1") = "7"
    & skf18("4","3","1","8","4","7","1") = "7"
    & skf18("4","3","1","8","4","8","1") = "7"
    & skf18("4","3","1","8","4","9","1") = "8"
    & skf18("4","3","1","8","4","10","1") = "9"
    & skf18("4","3","1","8","5","1","1") = "7"
    & skf18("4","3","1","8","5","2","1") = "7"
    & skf18("4","3","1","8","5","3","1") = "7"
    & skf18("4","3","1","8","5","4","1") = "7"
    & skf18("4","3","1","8","5","5","1") = "7"
    & skf18("4","3","1","8","5","6","1") = "7"
    & skf18("4","3","1","8","5","7","1") = "7"
    & skf18("4","3","1","8","5","8","1") = "7"
    & skf18("4","3","1","8","5","9","1") = "8"
    & skf18("4","3","1","8","5","10","1") = "9"
    & skf18("4","3","1","8","6","1","1") = "7"
    & skf18("4","3","1","8","6","2","1") = "7"
    & skf18("4","3","1","8","6","3","1") = "7"
    & skf18("4","3","1","8","6","4","1") = "7"
    & skf18("4","3","1","8","6","5","1") = "7"
    & skf18("4","3","1","8","6","6","1") = "7"
    & skf18("4","3","1","8","6","7","1") = "7"
    & skf18("4","3","1","8","6","8","1") = "7"
    & skf18("4","3","1","8","6","9","1") = "8"
    & skf18("4","3","1","8","6","10","1") = "9"
    & skf18("4","3","1","8","7","1","1") = "7"
    & skf18("4","3","1","8","7","2","1") = "7"
    & skf18("4","3","1","8","7","3","1") = "7"
    & skf18("4","3","1","8","7","4","1") = "7"
    & skf18("4","3","1","8","7","5","1") = "7"
    & skf18("4","3","1","8","7","6","1") = "7"
    & skf18("4","3","1","8","7","7","1") = "7"
    & skf18("4","3","1","8","7","8","1") = "7"
    & skf18("4","3","1","8","7","9","1") = "8"
    & skf18("4","3","1","8","7","10","1") = "9"
    & skf18("4","3","1","8","8","1","1") = "7"
    & skf18("4","3","1","8","8","2","1") = "7"
    & skf18("4","3","1","8","8","3","1") = "7"
    & skf18("4","3","1","8","8","4","1") = "7"
    & skf18("4","3","1","8","8","5","1") = "7"
    & skf18("4","3","1","8","8","6","1") = "7"
    & skf18("4","3","1","8","8","7","1") = "7"
    & skf18("4","3","1","8","8","8","1") = "7"
    & skf18("4","3","1","8","8","9","1") = "8"
    & skf18("4","3","1","8","8","10","1") = "9"
    & skf18("4","3","1","8","9","1","1") = "8"
    & skf18("4","3","1","8","9","2","1") = "8"
    & skf18("4","3","1","8","9","3","1") = "8"
    & skf18("4","3","1","8","9","4","1") = "8"
    & skf18("4","3","1","8","9","5","1") = "8"
    & skf18("4","3","1","8","9","6","1") = "8"
    & skf18("4","3","1","8","9","7","1") = "8"
    & skf18("4","3","1","8","9","8","1") = "8"
    & skf18("4","3","1","8","9","9","1") = "8"
    & skf18("4","3","1","8","9","10","1") = "9"
    & skf18("4","3","1","8","10","1","1") = "9"
    & skf18("4","3","1","8","10","2","1") = "9"
    & skf18("4","3","1","8","10","3","1") = "9"
    & skf18("4","3","1","8","10","4","1") = "9"
    & skf18("4","3","1","8","10","5","1") = "9"
    & skf18("4","3","1","8","10","6","1") = "9"
    & skf18("4","3","1","8","10","7","1") = "9"
    & skf18("4","3","1","8","10","8","1") = "9"
    & skf18("4","3","1","8","10","9","1") = "9"
    & skf18("4","3","1","8","10","10","1") = "9"
    & skf18("4","3","1","9","1","1","1") = "8"
    & skf18("4","3","1","9","1","2","1") = "8"
    & skf18("4","3","1","9","1","3","1") = "8"
    & skf18("4","3","1","9","1","4","1") = "8"
    & skf18("4","3","1","9","1","5","1") = "8"
    & skf18("4","3","1","9","1","6","1") = "8"
    & skf18("4","3","1","9","1","7","1") = "8"
    & skf18("4","3","1","9","1","8","1") = "8"
    & skf18("4","3","1","9","1","9","1") = "8"
    & skf18("4","3","1","9","1","10","1") = "9"
    & skf18("4","3","1","9","2","1","1") = "8"
    & skf18("4","3","1","9","2","2","1") = "8"
    & skf18("4","3","1","9","2","3","1") = "8"
    & skf18("4","3","1","9","2","4","1") = "8"
    & skf18("4","3","1","9","2","5","1") = "8"
    & skf18("4","3","1","9","2","6","1") = "8"
    & skf18("4","3","1","9","2","7","1") = "8"
    & skf18("4","3","1","9","2","8","1") = "8"
    & skf18("4","3","1","9","2","9","1") = "8"
    & skf18("4","3","1","9","2","10","1") = "9"
    & skf18("4","3","1","9","3","1","1") = "8"
    & skf18("4","3","1","9","3","2","1") = "8"
    & skf18("4","3","1","9","3","3","1") = "8"
    & skf18("4","3","1","9","3","4","1") = "8"
    & skf18("4","3","1","9","3","5","1") = "8"
    & skf18("4","3","1","9","3","6","1") = "8"
    & skf18("4","3","1","9","3","7","1") = "8"
    & skf18("4","3","1","9","3","8","1") = "8"
    & skf18("4","3","1","9","3","9","1") = "8"
    & skf18("4","3","1","9","3","10","1") = "9"
    & skf18("4","3","1","9","4","1","1") = "8"
    & skf18("4","3","1","9","4","2","1") = "8"
    & skf18("4","3","1","9","4","3","1") = "8"
    & skf18("4","3","1","9","4","4","1") = "8"
    & skf18("4","3","1","9","4","5","1") = "8"
    & skf18("4","3","1","9","4","6","1") = "8"
    & skf18("4","3","1","9","4","7","1") = "8"
    & skf18("4","3","1","9","4","8","1") = "8"
    & skf18("4","3","1","9","4","9","1") = "8"
    & skf18("4","3","1","9","4","10","1") = "9"
    & skf18("4","3","1","9","5","1","1") = "8"
    & skf18("4","3","1","9","5","2","1") = "8"
    & skf18("4","3","1","9","5","3","1") = "8"
    & skf18("4","3","1","9","5","4","1") = "8"
    & skf18("4","3","1","9","5","5","1") = "8"
    & skf18("4","3","1","9","5","6","1") = "8"
    & skf18("4","3","1","9","5","7","1") = "8"
    & skf18("4","3","1","9","5","8","1") = "8"
    & skf18("4","3","1","9","5","9","1") = "8"
    & skf18("4","3","1","9","5","10","1") = "9"
    & skf18("4","3","1","9","6","1","1") = "8"
    & skf18("4","3","1","9","6","2","1") = "8"
    & skf18("4","3","1","9","6","3","1") = "8"
    & skf18("4","3","1","9","6","4","1") = "8"
    & skf18("4","3","1","9","6","5","1") = "8"
    & skf18("4","3","1","9","6","6","1") = "8"
    & skf18("4","3","1","9","6","7","1") = "8"
    & skf18("4","3","1","9","6","8","1") = "8"
    & skf18("4","3","1","9","6","9","1") = "8"
    & skf18("4","3","1","9","6","10","1") = "9"
    & skf18("4","3","1","9","7","1","1") = "8"
    & skf18("4","3","1","9","7","2","1") = "8"
    & skf18("4","3","1","9","7","3","1") = "8"
    & skf18("4","3","1","9","7","4","1") = "8"
    & skf18("4","3","1","9","7","5","1") = "8"
    & skf18("4","3","1","9","7","6","1") = "8"
    & skf18("4","3","1","9","7","7","1") = "8"
    & skf18("4","3","1","9","7","8","1") = "8"
    & skf18("4","3","1","9","7","9","1") = "8"
    & skf18("4","3","1","9","7","10","1") = "9"
    & skf18("4","3","1","9","8","1","1") = "8"
    & skf18("4","3","1","9","8","2","1") = "8"
    & skf18("4","3","1","9","8","3","1") = "8"
    & skf18("4","3","1","9","8","4","1") = "8"
    & skf18("4","3","1","9","8","5","1") = "8"
    & skf18("4","3","1","9","8","6","1") = "8"
    & skf18("4","3","1","9","8","7","1") = "8"
    & skf18("4","3","1","9","8","8","1") = "8"
    & skf18("4","3","1","9","8","9","1") = "8"
    & skf18("4","3","1","9","8","10","1") = "9"
    & skf18("4","3","1","9","9","1","1") = "8"
    & skf18("4","3","1","9","9","2","1") = "8"
    & skf18("4","3","1","9","9","3","1") = "8"
    & skf18("4","3","1","9","9","4","1") = "8"
    & skf18("4","3","1","9","9","5","1") = "8"
    & skf18("4","3","1","9","9","6","1") = "8"
    & skf18("4","3","1","9","9","7","1") = "8"
    & skf18("4","3","1","9","9","8","1") = "8"
    & skf18("4","3","1","9","9","9","1") = "8"
    & skf18("4","3","1","9","9","10","1") = "9"
    & skf18("4","3","1","9","10","1","1") = "9"
    & skf18("4","3","1","9","10","2","1") = "9"
    & skf18("4","3","1","9","10","3","1") = "9"
    & skf18("4","3","1","9","10","4","1") = "9"
    & skf18("4","3","1","9","10","5","1") = "9"
    & skf18("4","3","1","9","10","6","1") = "9"
    & skf18("4","3","1","9","10","7","1") = "9"
    & skf18("4","3","1","9","10","8","1") = "9"
    & skf18("4","3","1","9","10","9","1") = "9"
    & skf18("4","3","1","9","10","10","1") = "9"
    & skf18("4","3","1","10","1","1","1") = "9"
    & skf18("4","3","1","10","1","2","1") = "9"
    & skf18("4","3","1","10","1","3","1") = "9"
    & skf18("4","3","1","10","1","4","1") = "9"
    & skf18("4","3","1","10","1","5","1") = "9"
    & skf18("4","3","1","10","1","6","1") = "9"
    & skf18("4","3","1","10","1","7","1") = "9"
    & skf18("4","3","1","10","1","8","1") = "9"
    & skf18("4","3","1","10","1","9","1") = "9"
    & skf18("4","3","1","10","1","10","1") = "9"
    & skf18("4","3","1","10","2","1","1") = "9"
    & skf18("4","3","1","10","2","2","1") = "9"
    & skf18("4","3","1","10","2","3","1") = "9"
    & skf18("4","3","1","10","2","4","1") = "9"
    & skf18("4","3","1","10","2","5","1") = "9"
    & skf18("4","3","1","10","2","6","1") = "9"
    & skf18("4","3","1","10","2","7","1") = "9"
    & skf18("4","3","1","10","2","8","1") = "9"
    & skf18("4","3","1","10","2","9","1") = "9"
    & skf18("4","3","1","10","2","10","1") = "9"
    & skf18("4","3","1","10","3","1","1") = "9"
    & skf18("4","3","1","10","3","2","1") = "9"
    & skf18("4","3","1","10","3","3","1") = "9"
    & skf18("4","3","1","10","3","4","1") = "9"
    & skf18("4","3","1","10","3","5","1") = "9"
    & skf18("4","3","1","10","3","6","1") = "9"
    & skf18("4","3","1","10","3","7","1") = "9"
    & skf18("4","3","1","10","3","8","1") = "9"
    & skf18("4","3","1","10","3","9","1") = "9"
    & skf18("4","3","1","10","3","10","1") = "9"
    & skf18("4","3","1","10","4","1","1") = "9"
    & skf18("4","3","1","10","4","2","1") = "9"
    & skf18("4","3","1","10","4","3","1") = "9"
    & skf18("4","3","1","10","4","4","1") = "9"
    & skf18("4","3","1","10","4","5","1") = "9"
    & skf18("4","3","1","10","4","6","1") = "9"
    & skf18("4","3","1","10","4","7","1") = "9"
    & skf18("4","3","1","10","4","8","1") = "9"
    & skf18("4","3","1","10","4","9","1") = "9"
    & skf18("4","3","1","10","4","10","1") = "9"
    & skf18("4","3","1","10","5","1","1") = "9"
    & skf18("4","3","1","10","5","2","1") = "9"
    & skf18("4","3","1","10","5","3","1") = "9"
    & skf18("4","3","1","10","5","4","1") = "9"
    & skf18("4","3","1","10","5","5","1") = "9"
    & skf18("4","3","1","10","5","6","1") = "9"
    & skf18("4","3","1","10","5","7","1") = "9"
    & skf18("4","3","1","10","5","8","1") = "9"
    & skf18("4","3","1","10","5","9","1") = "9"
    & skf18("4","3","1","10","5","10","1") = "9"
    & skf18("4","3","1","10","6","1","1") = "9"
    & skf18("4","3","1","10","6","2","1") = "9"
    & skf18("4","3","1","10","6","3","1") = "9"
    & skf18("4","3","1","10","6","4","1") = "9"
    & skf18("4","3","1","10","6","5","1") = "9"
    & skf18("4","3","1","10","6","6","1") = "9"
    & skf18("4","3","1","10","6","7","1") = "9"
    & skf18("4","3","1","10","6","8","1") = "9"
    & skf18("4","3","1","10","6","9","1") = "9"
    & skf18("4","3","1","10","6","10","1") = "9"
    & skf18("4","3","1","10","7","1","1") = "9"
    & skf18("4","3","1","10","7","2","1") = "9"
    & skf18("4","3","1","10","7","3","1") = "9"
    & skf18("4","3","1","10","7","4","1") = "9"
    & skf18("4","3","1","10","7","5","1") = "9"
    & skf18("4","3","1","10","7","6","1") = "9"
    & skf18("4","3","1","10","7","7","1") = "9"
    & skf18("4","3","1","10","7","8","1") = "9"
    & skf18("4","3","1","10","7","9","1") = "9"
    & skf18("4","3","1","10","7","10","1") = "9"
    & skf18("4","3","1","10","8","1","1") = "9"
    & skf18("4","3","1","10","8","2","1") = "9"
    & skf18("4","3","1","10","8","3","1") = "9"
    & skf18("4","3","1","10","8","4","1") = "9"
    & skf18("4","3","1","10","8","5","1") = "9"
    & skf18("4","3","1","10","8","6","1") = "9"
    & skf18("4","3","1","10","8","7","1") = "9"
    & skf18("4","3","1","10","8","8","1") = "9"
    & skf18("4","3","1","10","8","9","1") = "9"
    & skf18("4","3","1","10","8","10","1") = "9"
    & skf18("4","3","1","10","9","1","1") = "9"
    & skf18("4","3","1","10","9","2","1") = "9"
    & skf18("4","3","1","10","9","3","1") = "9"
    & skf18("4","3","1","10","9","4","1") = "9"
    & skf18("4","3","1","10","9","5","1") = "9"
    & skf18("4","3","1","10","9","6","1") = "9"
    & skf18("4","3","1","10","9","7","1") = "9"
    & skf18("4","3","1","10","9","8","1") = "9"
    & skf18("4","3","1","10","9","9","1") = "9"
    & skf18("4","3","1","10","9","10","1") = "9"
    & skf18("4","3","1","10","10","1","1") = "9"
    & skf18("4","3","1","10","10","2","1") = "9"
    & skf18("4","3","1","10","10","3","1") = "9"
    & skf18("4","3","1","10","10","4","1") = "9"
    & skf18("4","3","1","10","10","5","1") = "9"
    & skf18("4","3","1","10","10","6","1") = "9"
    & skf18("4","3","1","10","10","7","1") = "9"
    & skf18("4","3","1","10","10","8","1") = "9"
    & skf18("4","3","1","10","10","9","1") = "9"
    & skf18("4","3","1","10","10","10","1") = "9"
    & skf18("4","3","2","1","1","1","1") = "3"
    & skf18("4","3","2","1","1","2","1") = "3"
    & skf18("4","3","2","1","1","3","1") = "3"
    & skf18("4","3","2","1","1","4","1") = "3"
    & skf18("4","3","2","1","1","5","1") = "4"
    & skf18("4","3","2","1","1","6","1") = "5"
    & skf18("4","3","2","1","1","7","1") = "6"
    & skf18("4","3","2","1","1","8","1") = "7"
    & skf18("4","3","2","1","1","9","1") = "8"
    & skf18("4","3","2","1","1","10","1") = "9"
    & skf18("4","3","2","1","2","1","1") = "3"
    & skf18("4","3","2","1","2","2","1") = "3"
    & skf18("4","3","2","1","2","3","1") = "3"
    & skf18("4","3","2","1","2","4","1") = "3"
    & skf18("4","3","2","1","2","5","1") = "4"
    & skf18("4","3","2","1","2","6","1") = "5"
    & skf18("4","3","2","1","2","7","1") = "6"
    & skf18("4","3","2","1","2","8","1") = "7"
    & skf18("4","3","2","1","2","9","1") = "8"
    & skf18("4","3","2","1","2","10","1") = "9"
    & skf18("4","3","2","1","3","1","1") = "3"
    & skf18("4","3","2","1","3","2","1") = "3"
    & skf18("4","3","2","1","3","3","1") = "3"
    & skf18("4","3","2","1","3","4","1") = "3"
    & skf18("4","3","2","1","3","5","1") = "4"
    & skf18("4","3","2","1","3","6","1") = "5"
    & skf18("4","3","2","1","3","7","1") = "6"
    & skf18("4","3","2","1","3","8","1") = "7"
    & skf18("4","3","2","1","3","9","1") = "8"
    & skf18("4","3","2","1","3","10","1") = "9"
    & skf18("4","3","2","1","4","1","1") = "3"
    & skf18("4","3","2","1","4","2","1") = "3"
    & skf18("4","3","2","1","4","3","1") = "3"
    & skf18("4","3","2","1","4","4","1") = "3"
    & skf18("4","3","2","1","4","5","1") = "4"
    & skf18("4","3","2","1","4","6","1") = "5"
    & skf18("4","3","2","1","4","7","1") = "6"
    & skf18("4","3","2","1","4","8","1") = "7"
    & skf18("4","3","2","1","4","9","1") = "8"
    & skf18("4","3","2","1","4","10","1") = "9"
    & skf18("4","3","2","1","5","1","1") = "4"
    & skf18("4","3","2","1","5","2","1") = "4"
    & skf18("4","3","2","1","5","3","1") = "4"
    & skf18("4","3","2","1","5","4","1") = "4"
    & skf18("4","3","2","1","5","5","1") = "4"
    & skf18("4","3","2","1","5","6","1") = "5"
    & skf18("4","3","2","1","5","7","1") = "6"
    & skf18("4","3","2","1","5","8","1") = "7"
    & skf18("4","3","2","1","5","9","1") = "8"
    & skf18("4","3","2","1","5","10","1") = "9"
    & skf18("4","3","2","1","6","1","1") = "5"
    & skf18("4","3","2","1","6","2","1") = "5"
    & skf18("4","3","2","1","6","3","1") = "5"
    & skf18("4","3","2","1","6","4","1") = "5"
    & skf18("4","3","2","1","6","5","1") = "5"
    & skf18("4","3","2","1","6","6","1") = "5"
    & skf18("4","3","2","1","6","7","1") = "6"
    & skf18("4","3","2","1","6","8","1") = "7"
    & skf18("4","3","2","1","6","9","1") = "8"
    & skf18("4","3","2","1","6","10","1") = "9"
    & skf18("4","3","2","1","7","1","1") = "6"
    & skf18("4","3","2","1","7","2","1") = "6"
    & skf18("4","3","2","1","7","3","1") = "6"
    & skf18("4","3","2","1","7","4","1") = "6"
    & skf18("4","3","2","1","7","5","1") = "6"
    & skf18("4","3","2","1","7","6","1") = "6"
    & skf18("4","3","2","1","7","7","1") = "6"
    & skf18("4","3","2","1","7","8","1") = "7"
    & skf18("4","3","2","1","7","9","1") = "8"
    & skf18("4","3","2","1","7","10","1") = "9"
    & skf18("4","3","2","1","8","1","1") = "7"
    & skf18("4","3","2","1","8","2","1") = "7"
    & skf18("4","3","2","1","8","3","1") = "7"
    & skf18("4","3","2","1","8","4","1") = "7"
    & skf18("4","3","2","1","8","5","1") = "7"
    & skf18("4","3","2","1","8","6","1") = "7"
    & skf18("4","3","2","1","8","7","1") = "7"
    & skf18("4","3","2","1","8","8","1") = "7"
    & skf18("4","3","2","1","8","9","1") = "8"
    & skf18("4","3","2","1","8","10","1") = "9"
    & skf18("4","3","2","1","9","1","1") = "8"
    & skf18("4","3","2","1","9","2","1") = "8"
    & skf18("4","3","2","1","9","3","1") = "8"
    & skf18("4","3","2","1","9","4","1") = "8"
    & skf18("4","3","2","1","9","5","1") = "8"
    & skf18("4","3","2","1","9","6","1") = "8"
    & skf18("4","3","2","1","9","7","1") = "8"
    & skf18("4","3","2","1","9","8","1") = "8"
    & skf18("4","3","2","1","9","9","1") = "8"
    & skf18("4","3","2","1","9","10","1") = "9"
    & skf18("4","3","2","1","10","1","1") = "9"
    & skf18("4","3","2","1","10","2","1") = "9"
    & skf18("4","3","2","1","10","3","1") = "9"
    & skf18("4","3","2","1","10","4","1") = "9"
    & skf18("4","3","2","1","10","5","1") = "9"
    & skf18("4","3","2","1","10","6","1") = "9"
    & skf18("4","3","2","1","10","7","1") = "9"
    & skf18("4","3","2","1","10","8","1") = "9"
    & skf18("4","3","2","1","10","9","1") = "9"
    & skf18("4","3","2","1","10","10","1") = "9"
    & skf18("4","3","2","2","1","1","1") = "3"
    & skf18("4","3","2","2","1","2","1") = "3"
    & skf18("4","3","2","2","1","3","1") = "3"
    & skf18("4","3","2","2","1","4","1") = "3"
    & skf18("4","3","2","2","1","5","1") = "4"
    & skf18("4","3","2","2","1","6","1") = "5"
    & skf18("4","3","2","2","1","7","1") = "6"
    & skf18("4","3","2","2","1","8","1") = "7"
    & skf18("4","3","2","2","1","9","1") = "8"
    & skf18("4","3","2","2","1","10","1") = "9"
    & skf18("4","3","2","2","2","1","1") = "3"
    & skf18("4","3","2","2","2","2","1") = "3"
    & skf18("4","3","2","2","2","3","1") = "3"
    & skf18("4","3","2","2","2","4","1") = "3"
    & skf18("4","3","2","2","2","5","1") = "4"
    & skf18("4","3","2","2","2","6","1") = "5"
    & skf18("4","3","2","2","2","7","1") = "6"
    & skf18("4","3","2","2","2","8","1") = "7"
    & skf18("4","3","2","2","2","9","1") = "8"
    & skf18("4","3","2","2","2","10","1") = "9"
    & skf18("4","3","2","2","3","1","1") = "3"
    & skf18("4","3","2","2","3","2","1") = "3"
    & skf18("4","3","2","2","3","3","1") = "3"
    & skf18("4","3","2","2","3","4","1") = "3"
    & skf18("4","3","2","2","3","5","1") = "4"
    & skf18("4","3","2","2","3","6","1") = "5"
    & skf18("4","3","2","2","3","7","1") = "6"
    & skf18("4","3","2","2","3","8","1") = "7"
    & skf18("4","3","2","2","3","9","1") = "8"
    & skf18("4","3","2","2","3","10","1") = "9"
    & skf18("4","3","2","2","4","1","1") = "3"
    & skf18("4","3","2","2","4","2","1") = "3"
    & skf18("4","3","2","2","4","3","1") = "3"
    & skf18("4","3","2","2","4","4","1") = "3"
    & skf18("4","3","2","2","4","5","1") = "4"
    & skf18("4","3","2","2","4","6","1") = "5"
    & skf18("4","3","2","2","4","7","1") = "6"
    & skf18("4","3","2","2","4","8","1") = "7"
    & skf18("4","3","2","2","4","9","1") = "8"
    & skf18("4","3","2","2","4","10","1") = "9"
    & skf18("4","3","2","2","5","1","1") = "4"
    & skf18("4","3","2","2","5","2","1") = "4"
    & skf18("4","3","2","2","5","3","1") = "4"
    & skf18("4","3","2","2","5","4","1") = "4"
    & skf18("4","3","2","2","5","5","1") = "4"
    & skf18("4","3","2","2","5","6","1") = "5"
    & skf18("4","3","2","2","5","7","1") = "6"
    & skf18("4","3","2","2","5","8","1") = "7"
    & skf18("4","3","2","2","5","9","1") = "8"
    & skf18("4","3","2","2","5","10","1") = "9"
    & skf18("4","3","2","2","6","1","1") = "5"
    & skf18("4","3","2","2","6","2","1") = "5"
    & skf18("4","3","2","2","6","3","1") = "5"
    & skf18("4","3","2","2","6","4","1") = "5"
    & skf18("4","3","2","2","6","5","1") = "5"
    & skf18("4","3","2","2","6","6","1") = "5"
    & skf18("4","3","2","2","6","7","1") = "6"
    & skf18("4","3","2","2","6","8","1") = "7"
    & skf18("4","3","2","2","6","9","1") = "8"
    & skf18("4","3","2","2","6","10","1") = "9"
    & skf18("4","3","2","2","7","1","1") = "6"
    & skf18("4","3","2","2","7","2","1") = "6"
    & skf18("4","3","2","2","7","3","1") = "6"
    & skf18("4","3","2","2","7","4","1") = "6"
    & skf18("4","3","2","2","7","5","1") = "6"
    & skf18("4","3","2","2","7","6","1") = "6"
    & skf18("4","3","2","2","7","7","1") = "6"
    & skf18("4","3","2","2","7","8","1") = "7"
    & skf18("4","3","2","2","7","9","1") = "8"
    & skf18("4","3","2","2","7","10","1") = "9"
    & skf18("4","3","2","2","8","1","1") = "7"
    & skf18("4","3","2","2","8","2","1") = "7"
    & skf18("4","3","2","2","8","3","1") = "7"
    & skf18("4","3","2","2","8","4","1") = "7"
    & skf18("4","3","2","2","8","5","1") = "7"
    & skf18("4","3","2","2","8","6","1") = "7"
    & skf18("4","3","2","2","8","7","1") = "7"
    & skf18("4","3","2","2","8","8","1") = "7"
    & skf18("4","3","2","2","8","9","1") = "8"
    & skf18("4","3","2","2","8","10","1") = "9"
    & skf18("4","3","2","2","9","1","1") = "8"
    & skf18("4","3","2","2","9","2","1") = "8"
    & skf18("4","3","2","2","9","3","1") = "8"
    & skf18("4","3","2","2","9","4","1") = "8"
    & skf18("4","3","2","2","9","5","1") = "8"
    & skf18("4","3","2","2","9","6","1") = "8"
    & skf18("4","3","2","2","9","7","1") = "8"
    & skf18("4","3","2","2","9","8","1") = "8"
    & skf18("4","3","2","2","9","9","1") = "8"
    & skf18("4","3","2","2","9","10","1") = "9"
    & skf18("4","3","2","2","10","1","1") = "9"
    & skf18("4","3","2","2","10","2","1") = "9"
    & skf18("4","3","2","2","10","3","1") = "9"
    & skf18("4","3","2","2","10","4","1") = "9"
    & skf18("4","3","2","2","10","5","1") = "9"
    & skf18("4","3","2","2","10","6","1") = "9"
    & skf18("4","3","2","2","10","7","1") = "9"
    & skf18("4","3","2","2","10","8","1") = "9"
    & skf18("4","3","2","2","10","9","1") = "9"
    & skf18("4","3","2","2","10","10","1") = "9"
    & skf18("4","3","2","3","1","1","1") = "3"
    & skf18("4","3","2","3","1","2","1") = "3"
    & skf18("4","3","2","3","1","3","1") = "3"
    & skf18("4","3","2","3","1","4","1") = "3"
    & skf18("4","3","2","3","1","5","1") = "4"
    & skf18("4","3","2","3","1","6","1") = "5"
    & skf18("4","3","2","3","1","7","1") = "6"
    & skf18("4","3","2","3","1","8","1") = "7"
    & skf18("4","3","2","3","1","9","1") = "8"
    & skf18("4","3","2","3","1","10","1") = "9"
    & skf18("4","3","2","3","2","1","1") = "3"
    & skf18("4","3","2","3","2","2","1") = "3"
    & skf18("4","3","2","3","2","3","1") = "3"
    & skf18("4","3","2","3","2","4","1") = "3"
    & skf18("4","3","2","3","2","5","1") = "4"
    & skf18("4","3","2","3","2","6","1") = "5"
    & skf18("4","3","2","3","2","7","1") = "6"
    & skf18("4","3","2","3","2","8","1") = "7"
    & skf18("4","3","2","3","2","9","1") = "8"
    & skf18("4","3","2","3","2","10","1") = "9"
    & skf18("4","3","2","3","3","1","1") = "3"
    & skf18("4","3","2","3","3","2","1") = "3"
    & skf18("4","3","2","3","3","3","1") = "3"
    & skf18("4","3","2","3","3","4","1") = "3"
    & skf18("4","3","2","3","3","5","1") = "4"
    & skf18("4","3","2","3","3","6","1") = "5"
    & skf18("4","3","2","3","3","7","1") = "6"
    & skf18("4","3","2","3","3","8","1") = "7"
    & skf18("4","3","2","3","3","9","1") = "8"
    & skf18("4","3","2","3","3","10","1") = "9"
    & skf18("4","3","2","3","4","1","1") = "3"
    & skf18("4","3","2","3","4","2","1") = "3"
    & skf18("4","3","2","3","4","3","1") = "3"
    & skf18("4","3","2","3","4","4","1") = "3"
    & skf18("4","3","2","3","4","5","1") = "4"
    & skf18("4","3","2","3","4","6","1") = "5"
    & skf18("4","3","2","3","4","7","1") = "6"
    & skf18("4","3","2","3","4","8","1") = "7"
    & skf18("4","3","2","3","4","9","1") = "8"
    & skf18("4","3","2","3","4","10","1") = "9"
    & skf18("4","3","2","3","5","1","1") = "4"
    & skf18("4","3","2","3","5","2","1") = "4"
    & skf18("4","3","2","3","5","3","1") = "4"
    & skf18("4","3","2","3","5","4","1") = "4"
    & skf18("4","3","2","3","5","5","1") = "4"
    & skf18("4","3","2","3","5","6","1") = "5"
    & skf18("4","3","2","3","5","7","1") = "6"
    & skf18("4","3","2","3","5","8","1") = "7"
    & skf18("4","3","2","3","5","9","1") = "8"
    & skf18("4","3","2","3","5","10","1") = "9"
    & skf18("4","3","2","3","6","1","1") = "5"
    & skf18("4","3","2","3","6","2","1") = "5"
    & skf18("4","3","2","3","6","3","1") = "5"
    & skf18("4","3","2","3","6","4","1") = "5"
    & skf18("4","3","2","3","6","5","1") = "5"
    & skf18("4","3","2","3","6","6","1") = "5"
    & skf18("4","3","2","3","6","7","1") = "6"
    & skf18("4","3","2","3","6","8","1") = "7"
    & skf18("4","3","2","3","6","9","1") = "8"
    & skf18("4","3","2","3","6","10","1") = "9"
    & skf18("4","3","2","3","7","1","1") = "6"
    & skf18("4","3","2","3","7","2","1") = "6"
    & skf18("4","3","2","3","7","3","1") = "6"
    & skf18("4","3","2","3","7","4","1") = "6"
    & skf18("4","3","2","3","7","5","1") = "6"
    & skf18("4","3","2","3","7","6","1") = "6"
    & skf18("4","3","2","3","7","7","1") = "6"
    & skf18("4","3","2","3","7","8","1") = "7"
    & skf18("4","3","2","3","7","9","1") = "8"
    & skf18("4","3","2","3","7","10","1") = "9"
    & skf18("4","3","2","3","8","1","1") = "7"
    & skf18("4","3","2","3","8","2","1") = "7"
    & skf18("4","3","2","3","8","3","1") = "7"
    & skf18("4","3","2","3","8","4","1") = "7"
    & skf18("4","3","2","3","8","5","1") = "7"
    & skf18("4","3","2","3","8","6","1") = "7"
    & skf18("4","3","2","3","8","7","1") = "7"
    & skf18("4","3","2","3","8","8","1") = "7"
    & skf18("4","3","2","3","8","9","1") = "8"
    & skf18("4","3","2","3","8","10","1") = "9"
    & skf18("4","3","2","3","9","1","1") = "8"
    & skf18("4","3","2","3","9","2","1") = "8"
    & skf18("4","3","2","3","9","3","1") = "8"
    & skf18("4","3","2","3","9","4","1") = "8"
    & skf18("4","3","2","3","9","5","1") = "8"
    & skf18("4","3","2","3","9","6","1") = "8"
    & skf18("4","3","2","3","9","7","1") = "8"
    & skf18("4","3","2","3","9","8","1") = "8"
    & skf18("4","3","2","3","9","9","1") = "8"
    & skf18("4","3","2","3","9","10","1") = "9"
    & skf18("4","3","2","3","10","1","1") = "9"
    & skf18("4","3","2","3","10","2","1") = "9"
    & skf18("4","3","2","3","10","3","1") = "9"
    & skf18("4","3","2","3","10","4","1") = "9"
    & skf18("4","3","2","3","10","5","1") = "9"
    & skf18("4","3","2","3","10","6","1") = "9"
    & skf18("4","3","2","3","10","7","1") = "9"
    & skf18("4","3","2","3","10","8","1") = "9"
    & skf18("4","3","2","3","10","9","1") = "9"
    & skf18("4","3","2","3","10","10","1") = "9"
    & skf18("4","3","2","4","1","1","1") = "3"
    & skf18("4","3","2","4","1","2","1") = "3"
    & skf18("4","3","2","4","1","3","1") = "3"
    & skf18("4","3","2","4","1","4","1") = "3"
    & skf18("4","3","2","4","1","5","1") = "4"
    & skf18("4","3","2","4","1","6","1") = "5"
    & skf18("4","3","2","4","1","7","1") = "6"
    & skf18("4","3","2","4","1","8","1") = "7"
    & skf18("4","3","2","4","1","9","1") = "8"
    & skf18("4","3","2","4","1","10","1") = "9"
    & skf18("4","3","2","4","2","1","1") = "3"
    & skf18("4","3","2","4","2","2","1") = "3"
    & skf18("4","3","2","4","2","3","1") = "3"
    & skf18("4","3","2","4","2","4","1") = "3"
    & skf18("4","3","2","4","2","5","1") = "4"
    & skf18("4","3","2","4","2","6","1") = "5"
    & skf18("4","3","2","4","2","7","1") = "6"
    & skf18("4","3","2","4","2","8","1") = "7"
    & skf18("4","3","2","4","2","9","1") = "8"
    & skf18("4","3","2","4","2","10","1") = "9"
    & skf18("4","3","2","4","3","1","1") = "3"
    & skf18("4","3","2","4","3","2","1") = "3"
    & skf18("4","3","2","4","3","3","1") = "3"
    & skf18("4","3","2","4","3","4","1") = "3"
    & skf18("4","3","2","4","3","5","1") = "4"
    & skf18("4","3","2","4","3","6","1") = "5"
    & skf18("4","3","2","4","3","7","1") = "6"
    & skf18("4","3","2","4","3","8","1") = "7"
    & skf18("4","3","2","4","3","9","1") = "8"
    & skf18("4","3","2","4","3","10","1") = "9"
    & skf18("4","3","2","4","4","1","1") = "3"
    & skf18("4","3","2","4","4","2","1") = "3"
    & skf18("4","3","2","4","4","3","1") = "3"
    & skf18("4","3","2","4","4","4","1") = "3"
    & skf18("4","3","2","4","4","5","1") = "4"
    & skf18("4","3","2","4","4","6","1") = "5"
    & skf18("4","3","2","4","4","7","1") = "6"
    & skf18("4","3","2","4","4","8","1") = "7"
    & skf18("4","3","2","4","4","9","1") = "8"
    & skf18("4","3","2","4","4","10","1") = "9"
    & skf18("4","3","2","4","5","1","1") = "4"
    & skf18("4","3","2","4","5","2","1") = "4"
    & skf18("4","3","2","4","5","3","1") = "4"
    & skf18("4","3","2","4","5","4","1") = "4"
    & skf18("4","3","2","4","5","5","1") = "4"
    & skf18("4","3","2","4","5","6","1") = "5"
    & skf18("4","3","2","4","5","7","1") = "6"
    & skf18("4","3","2","4","5","8","1") = "7"
    & skf18("4","3","2","4","5","9","1") = "8"
    & skf18("4","3","2","4","5","10","1") = "9"
    & skf18("4","3","2","4","6","1","1") = "5"
    & skf18("4","3","2","4","6","2","1") = "5"
    & skf18("4","3","2","4","6","3","1") = "5"
    & skf18("4","3","2","4","6","4","1") = "5"
    & skf18("4","3","2","4","6","5","1") = "5"
    & skf18("4","3","2","4","6","6","1") = "5"
    & skf18("4","3","2","4","6","7","1") = "6"
    & skf18("4","3","2","4","6","8","1") = "7"
    & skf18("4","3","2","4","6","9","1") = "8"
    & skf18("4","3","2","4","6","10","1") = "9"
    & skf18("4","3","2","4","7","1","1") = "6"
    & skf18("4","3","2","4","7","2","1") = "6"
    & skf18("4","3","2","4","7","3","1") = "6"
    & skf18("4","3","2","4","7","4","1") = "6"
    & skf18("4","3","2","4","7","5","1") = "6"
    & skf18("4","3","2","4","7","6","1") = "6"
    & skf18("4","3","2","4","7","7","1") = "6"
    & skf18("4","3","2","4","7","8","1") = "7"
    & skf18("4","3","2","4","7","9","1") = "8"
    & skf18("4","3","2","4","7","10","1") = "9"
    & skf18("4","3","2","4","8","1","1") = "7"
    & skf18("4","3","2","4","8","2","1") = "7"
    & skf18("4","3","2","4","8","3","1") = "7"
    & skf18("4","3","2","4","8","4","1") = "7"
    & skf18("4","3","2","4","8","5","1") = "7"
    & skf18("4","3","2","4","8","6","1") = "7"
    & skf18("4","3","2","4","8","7","1") = "7"
    & skf18("4","3","2","4","8","8","1") = "7"
    & skf18("4","3","2","4","8","9","1") = "8"
    & skf18("4","3","2","4","8","10","1") = "9"
    & skf18("4","3","2","4","9","1","1") = "8"
    & skf18("4","3","2","4","9","2","1") = "8"
    & skf18("4","3","2","4","9","3","1") = "8"
    & skf18("4","3","2","4","9","4","1") = "8"
    & skf18("4","3","2","4","9","5","1") = "8"
    & skf18("4","3","2","4","9","6","1") = "8"
    & skf18("4","3","2","4","9","7","1") = "8"
    & skf18("4","3","2","4","9","8","1") = "8"
    & skf18("4","3","2","4","9","9","1") = "8"
    & skf18("4","3","2","4","9","10","1") = "9"
    & skf18("4","3","2","4","10","1","1") = "9"
    & skf18("4","3","2","4","10","2","1") = "9"
    & skf18("4","3","2","4","10","3","1") = "9"
    & skf18("4","3","2","4","10","4","1") = "9"
    & skf18("4","3","2","4","10","5","1") = "9"
    & skf18("4","3","2","4","10","6","1") = "9"
    & skf18("4","3","2","4","10","7","1") = "9"
    & skf18("4","3","2","4","10","8","1") = "9"
    & skf18("4","3","2","4","10","9","1") = "9"
    & skf18("4","3","2","4","10","10","1") = "9"
    & skf18("4","3","2","5","1","1","1") = "4"
    & skf18("4","3","2","5","1","2","1") = "4"
    & skf18("4","3","2","5","1","3","1") = "4"
    & skf18("4","3","2","5","1","4","1") = "4"
    & skf18("4","3","2","5","1","5","1") = "4"
    & skf18("4","3","2","5","1","6","1") = "5"
    & skf18("4","3","2","5","1","7","1") = "6"
    & skf18("4","3","2","5","1","8","1") = "7"
    & skf18("4","3","2","5","1","9","1") = "8"
    & skf18("4","3","2","5","1","10","1") = "9"
    & skf18("4","3","2","5","2","1","1") = "4"
    & skf18("4","3","2","5","2","2","1") = "4"
    & skf18("4","3","2","5","2","3","1") = "4"
    & skf18("4","3","2","5","2","4","1") = "4"
    & skf18("4","3","2","5","2","5","1") = "4"
    & skf18("4","3","2","5","2","6","1") = "5"
    & skf18("4","3","2","5","2","7","1") = "6"
    & skf18("4","3","2","5","2","8","1") = "7"
    & skf18("4","3","2","5","2","9","1") = "8"
    & skf18("4","3","2","5","2","10","1") = "9"
    & skf18("4","3","2","5","3","1","1") = "4"
    & skf18("4","3","2","5","3","2","1") = "4"
    & skf18("4","3","2","5","3","3","1") = "4"
    & skf18("4","3","2","5","3","4","1") = "4"
    & skf18("4","3","2","5","3","5","1") = "4"
    & skf18("4","3","2","5","3","6","1") = "5"
    & skf18("4","3","2","5","3","7","1") = "6"
    & skf18("4","3","2","5","3","8","1") = "7"
    & skf18("4","3","2","5","3","9","1") = "8"
    & skf18("4","3","2","5","3","10","1") = "9"
    & skf18("4","3","2","5","4","1","1") = "4"
    & skf18("4","3","2","5","4","2","1") = "4"
    & skf18("4","3","2","5","4","3","1") = "4"
    & skf18("4","3","2","5","4","4","1") = "4"
    & skf18("4","3","2","5","4","5","1") = "4"
    & skf18("4","3","2","5","4","6","1") = "5"
    & skf18("4","3","2","5","4","7","1") = "6"
    & skf18("4","3","2","5","4","8","1") = "7"
    & skf18("4","3","2","5","4","9","1") = "8"
    & skf18("4","3","2","5","4","10","1") = "9"
    & skf18("4","3","2","5","5","1","1") = "4"
    & skf18("4","3","2","5","5","2","1") = "4"
    & skf18("4","3","2","5","5","3","1") = "4"
    & skf18("4","3","2","5","5","4","1") = "4"
    & skf18("4","3","2","5","5","5","1") = "4"
    & skf18("4","3","2","5","5","6","1") = "5"
    & skf18("4","3","2","5","5","7","1") = "6"
    & skf18("4","3","2","5","5","8","1") = "7"
    & skf18("4","3","2","5","5","9","1") = "8"
    & skf18("4","3","2","5","5","10","1") = "9"
    & skf18("4","3","2","5","6","1","1") = "5"
    & skf18("4","3","2","5","6","2","1") = "5"
    & skf18("4","3","2","5","6","3","1") = "5"
    & skf18("4","3","2","5","6","4","1") = "5"
    & skf18("4","3","2","5","6","5","1") = "5"
    & skf18("4","3","2","5","6","6","1") = "5"
    & skf18("4","3","2","5","6","7","1") = "6"
    & skf18("4","3","2","5","6","8","1") = "7"
    & skf18("4","3","2","5","6","9","1") = "8"
    & skf18("4","3","2","5","6","10","1") = "9"
    & skf18("4","3","2","5","7","1","1") = "6"
    & skf18("4","3","2","5","7","2","1") = "6"
    & skf18("4","3","2","5","7","3","1") = "6"
    & skf18("4","3","2","5","7","4","1") = "6"
    & skf18("4","3","2","5","7","5","1") = "6"
    & skf18("4","3","2","5","7","6","1") = "6"
    & skf18("4","3","2","5","7","7","1") = "6"
    & skf18("4","3","2","5","7","8","1") = "7"
    & skf18("4","3","2","5","7","9","1") = "8"
    & skf18("4","3","2","5","7","10","1") = "9"
    & skf18("4","3","2","5","8","1","1") = "7"
    & skf18("4","3","2","5","8","2","1") = "7"
    & skf18("4","3","2","5","8","3","1") = "7"
    & skf18("4","3","2","5","8","4","1") = "7"
    & skf18("4","3","2","5","8","5","1") = "7"
    & skf18("4","3","2","5","8","6","1") = "7"
    & skf18("4","3","2","5","8","7","1") = "7"
    & skf18("4","3","2","5","8","8","1") = "7"
    & skf18("4","3","2","5","8","9","1") = "8"
    & skf18("4","3","2","5","8","10","1") = "9"
    & skf18("4","3","2","5","9","1","1") = "8"
    & skf18("4","3","2","5","9","2","1") = "8"
    & skf18("4","3","2","5","9","3","1") = "8"
    & skf18("4","3","2","5","9","4","1") = "8"
    & skf18("4","3","2","5","9","5","1") = "8"
    & skf18("4","3","2","5","9","6","1") = "8"
    & skf18("4","3","2","5","9","7","1") = "8"
    & skf18("4","3","2","5","9","8","1") = "8"
    & skf18("4","3","2","5","9","9","1") = "8"
    & skf18("4","3","2","5","9","10","1") = "9"
    & skf18("4","3","2","5","10","1","1") = "9"
    & skf18("4","3","2","5","10","2","1") = "9"
    & skf18("4","3","2","5","10","3","1") = "9"
    & skf18("4","3","2","5","10","4","1") = "9"
    & skf18("4","3","2","5","10","5","1") = "9"
    & skf18("4","3","2","5","10","6","1") = "9"
    & skf18("4","3","2","5","10","7","1") = "9"
    & skf18("4","3","2","5","10","8","1") = "9"
    & skf18("4","3","2","5","10","9","1") = "9"
    & skf18("4","3","2","5","10","10","1") = "9"
    & skf18("4","3","2","6","1","1","1") = "5"
    & skf18("4","3","2","6","1","2","1") = "5"
    & skf18("4","3","2","6","1","3","1") = "5"
    & skf18("4","3","2","6","1","4","1") = "5"
    & skf18("4","3","2","6","1","5","1") = "5"
    & skf18("4","3","2","6","1","6","1") = "5"
    & skf18("4","3","2","6","1","7","1") = "6"
    & skf18("4","3","2","6","1","8","1") = "7"
    & skf18("4","3","2","6","1","9","1") = "8"
    & skf18("4","3","2","6","1","10","1") = "9"
    & skf18("4","3","2","6","2","1","1") = "5"
    & skf18("4","3","2","6","2","2","1") = "5"
    & skf18("4","3","2","6","2","3","1") = "5"
    & skf18("4","3","2","6","2","4","1") = "5"
    & skf18("4","3","2","6","2","5","1") = "5"
    & skf18("4","3","2","6","2","6","1") = "5"
    & skf18("4","3","2","6","2","7","1") = "6"
    & skf18("4","3","2","6","2","8","1") = "7"
    & skf18("4","3","2","6","2","9","1") = "8"
    & skf18("4","3","2","6","2","10","1") = "9"
    & skf18("4","3","2","6","3","1","1") = "5"
    & skf18("4","3","2","6","3","2","1") = "5"
    & skf18("4","3","2","6","3","3","1") = "5"
    & skf18("4","3","2","6","3","4","1") = "5"
    & skf18("4","3","2","6","3","5","1") = "5"
    & skf18("4","3","2","6","3","6","1") = "5"
    & skf18("4","3","2","6","3","7","1") = "6"
    & skf18("4","3","2","6","3","8","1") = "7"
    & skf18("4","3","2","6","3","9","1") = "8"
    & skf18("4","3","2","6","3","10","1") = "9"
    & skf18("4","3","2","6","4","1","1") = "5"
    & skf18("4","3","2","6","4","2","1") = "5"
    & skf18("4","3","2","6","4","3","1") = "5"
    & skf18("4","3","2","6","4","4","1") = "5"
    & skf18("4","3","2","6","4","5","1") = "5"
    & skf18("4","3","2","6","4","6","1") = "5"
    & skf18("4","3","2","6","4","7","1") = "6"
    & skf18("4","3","2","6","4","8","1") = "7"
    & skf18("4","3","2","6","4","9","1") = "8"
    & skf18("4","3","2","6","4","10","1") = "9"
    & skf18("4","3","2","6","5","1","1") = "5"
    & skf18("4","3","2","6","5","2","1") = "5"
    & skf18("4","3","2","6","5","3","1") = "5"
    & skf18("4","3","2","6","5","4","1") = "5"
    & skf18("4","3","2","6","5","5","1") = "5"
    & skf18("4","3","2","6","5","6","1") = "5"
    & skf18("4","3","2","6","5","7","1") = "6"
    & skf18("4","3","2","6","5","8","1") = "7"
    & skf18("4","3","2","6","5","9","1") = "8"
    & skf18("4","3","2","6","5","10","1") = "9"
    & skf18("4","3","2","6","6","1","1") = "5"
    & skf18("4","3","2","6","6","2","1") = "5"
    & skf18("4","3","2","6","6","3","1") = "5"
    & skf18("4","3","2","6","6","4","1") = "5"
    & skf18("4","3","2","6","6","5","1") = "5"
    & skf18("4","3","2","6","6","6","1") = "5"
    & skf18("4","3","2","6","6","7","1") = "6"
    & skf18("4","3","2","6","6","8","1") = "7"
    & skf18("4","3","2","6","6","9","1") = "8"
    & skf18("4","3","2","6","6","10","1") = "9"
    & skf18("4","3","2","6","7","1","1") = "6"
    & skf18("4","3","2","6","7","2","1") = "6"
    & skf18("4","3","2","6","7","3","1") = "6"
    & skf18("4","3","2","6","7","4","1") = "6"
    & skf18("4","3","2","6","7","5","1") = "6"
    & skf18("4","3","2","6","7","6","1") = "6"
    & skf18("4","3","2","6","7","7","1") = "6"
    & skf18("4","3","2","6","7","8","1") = "7"
    & skf18("4","3","2","6","7","9","1") = "8"
    & skf18("4","3","2","6","7","10","1") = "9"
    & skf18("4","3","2","6","8","1","1") = "7"
    & skf18("4","3","2","6","8","2","1") = "7"
    & skf18("4","3","2","6","8","3","1") = "7"
    & skf18("4","3","2","6","8","4","1") = "7"
    & skf18("4","3","2","6","8","5","1") = "7"
    & skf18("4","3","2","6","8","6","1") = "7"
    & skf18("4","3","2","6","8","7","1") = "7"
    & skf18("4","3","2","6","8","8","1") = "7"
    & skf18("4","3","2","6","8","9","1") = "8"
    & skf18("4","3","2","6","8","10","1") = "9"
    & skf18("4","3","2","6","9","1","1") = "8"
    & skf18("4","3","2","6","9","2","1") = "8"
    & skf18("4","3","2","6","9","3","1") = "8"
    & skf18("4","3","2","6","9","4","1") = "8"
    & skf18("4","3","2","6","9","5","1") = "8"
    & skf18("4","3","2","6","9","6","1") = "8"
    & skf18("4","3","2","6","9","7","1") = "8"
    & skf18("4","3","2","6","9","8","1") = "8"
    & skf18("4","3","2","6","9","9","1") = "8"
    & skf18("4","3","2","6","9","10","1") = "9"
    & skf18("4","3","2","6","10","1","1") = "9"
    & skf18("4","3","2","6","10","2","1") = "9"
    & skf18("4","3","2","6","10","3","1") = "9"
    & skf18("4","3","2","6","10","4","1") = "9"
    & skf18("4","3","2","6","10","5","1") = "9"
    & skf18("4","3","2","6","10","6","1") = "9"
    & skf18("4","3","2","6","10","7","1") = "9"
    & skf18("4","3","2","6","10","8","1") = "9"
    & skf18("4","3","2","6","10","9","1") = "9"
    & skf18("4","3","2","6","10","10","1") = "9"
    & skf18("4","3","2","7","1","1","1") = "6"
    & skf18("4","3","2","7","1","2","1") = "6"
    & skf18("4","3","2","7","1","3","1") = "6"
    & skf18("4","3","2","7","1","4","1") = "6"
    & skf18("4","3","2","7","1","5","1") = "6"
    & skf18("4","3","2","7","1","6","1") = "6"
    & skf18("4","3","2","7","1","7","1") = "6"
    & skf18("4","3","2","7","1","8","1") = "7"
    & skf18("4","3","2","7","1","9","1") = "8"
    & skf18("4","3","2","7","1","10","1") = "9"
    & skf18("4","3","2","7","2","1","1") = "6"
    & skf18("4","3","2","7","2","2","1") = "6"
    & skf18("4","3","2","7","2","3","1") = "6"
    & skf18("4","3","2","7","2","4","1") = "6"
    & skf18("4","3","2","7","2","5","1") = "6"
    & skf18("4","3","2","7","2","6","1") = "6"
    & skf18("4","3","2","7","2","7","1") = "6"
    & skf18("4","3","2","7","2","8","1") = "7"
    & skf18("4","3","2","7","2","9","1") = "8"
    & skf18("4","3","2","7","2","10","1") = "9"
    & skf18("4","3","2","7","3","1","1") = "6"
    & skf18("4","3","2","7","3","2","1") = "6"
    & skf18("4","3","2","7","3","3","1") = "6"
    & skf18("4","3","2","7","3","4","1") = "6"
    & skf18("4","3","2","7","3","5","1") = "6"
    & skf18("4","3","2","7","3","6","1") = "6"
    & skf18("4","3","2","7","3","7","1") = "6"
    & skf18("4","3","2","7","3","8","1") = "7"
    & skf18("4","3","2","7","3","9","1") = "8"
    & skf18("4","3","2","7","3","10","1") = "9"
    & skf18("4","3","2","7","4","1","1") = "6"
    & skf18("4","3","2","7","4","2","1") = "6"
    & skf18("4","3","2","7","4","3","1") = "6"
    & skf18("4","3","2","7","4","4","1") = "6"
    & skf18("4","3","2","7","4","5","1") = "6"
    & skf18("4","3","2","7","4","6","1") = "6"
    & skf18("4","3","2","7","4","7","1") = "6"
    & skf18("4","3","2","7","4","8","1") = "7"
    & skf18("4","3","2","7","4","9","1") = "8"
    & skf18("4","3","2","7","4","10","1") = "9"
    & skf18("4","3","2","7","5","1","1") = "6"
    & skf18("4","3","2","7","5","2","1") = "6"
    & skf18("4","3","2","7","5","3","1") = "6"
    & skf18("4","3","2","7","5","4","1") = "6"
    & skf18("4","3","2","7","5","5","1") = "6"
    & skf18("4","3","2","7","5","6","1") = "6"
    & skf18("4","3","2","7","5","7","1") = "6"
    & skf18("4","3","2","7","5","8","1") = "7"
    & skf18("4","3","2","7","5","9","1") = "8"
    & skf18("4","3","2","7","5","10","1") = "9"
    & skf18("4","3","2","7","6","1","1") = "6"
    & skf18("4","3","2","7","6","2","1") = "6"
    & skf18("4","3","2","7","6","3","1") = "6"
    & skf18("4","3","2","7","6","4","1") = "6"
    & skf18("4","3","2","7","6","5","1") = "6"
    & skf18("4","3","2","7","6","6","1") = "6"
    & skf18("4","3","2","7","6","7","1") = "6"
    & skf18("4","3","2","7","6","8","1") = "7"
    & skf18("4","3","2","7","6","9","1") = "8"
    & skf18("4","3","2","7","6","10","1") = "9"
    & skf18("4","3","2","7","7","1","1") = "6"
    & skf18("4","3","2","7","7","2","1") = "6"
    & skf18("4","3","2","7","7","3","1") = "6"
    & skf18("4","3","2","7","7","4","1") = "6"
    & skf18("4","3","2","7","7","5","1") = "6"
    & skf18("4","3","2","7","7","6","1") = "6"
    & skf18("4","3","2","7","7","7","1") = "6"
    & skf18("4","3","2","7","7","8","1") = "7"
    & skf18("4","3","2","7","7","9","1") = "8"
    & skf18("4","3","2","7","7","10","1") = "9"
    & skf18("4","3","2","7","8","1","1") = "7"
    & skf18("4","3","2","7","8","2","1") = "7"
    & skf18("4","3","2","7","8","3","1") = "7"
    & skf18("4","3","2","7","8","4","1") = "7"
    & skf18("4","3","2","7","8","5","1") = "7"
    & skf18("4","3","2","7","8","6","1") = "7"
    & skf18("4","3","2","7","8","7","1") = "7"
    & skf18("4","3","2","7","8","8","1") = "7"
    & skf18("4","3","2","7","8","9","1") = "8"
    & skf18("4","3","2","7","8","10","1") = "9"
    & skf18("4","3","2","7","9","1","1") = "8"
    & skf18("4","3","2","7","9","2","1") = "8"
    & skf18("4","3","2","7","9","3","1") = "8"
    & skf18("4","3","2","7","9","4","1") = "8"
    & skf18("4","3","2","7","9","5","1") = "8"
    & skf18("4","3","2","7","9","6","1") = "8"
    & skf18("4","3","2","7","9","7","1") = "8"
    & skf18("4","3","2","7","9","8","1") = "8"
    & skf18("4","3","2","7","9","9","1") = "8"
    & skf18("4","3","2","7","9","10","1") = "9"
    & skf18("4","3","2","7","10","1","1") = "9"
    & skf18("4","3","2","7","10","2","1") = "9"
    & skf18("4","3","2","7","10","3","1") = "9"
    & skf18("4","3","2","7","10","4","1") = "9"
    & skf18("4","3","2","7","10","5","1") = "9"
    & skf18("4","3","2","7","10","6","1") = "9"
    & skf18("4","3","2","7","10","7","1") = "9"
    & skf18("4","3","2","7","10","8","1") = "9"
    & skf18("4","3","2","7","10","9","1") = "9"
    & skf18("4","3","2","7","10","10","1") = "9"
    & skf18("4","3","2","8","1","1","1") = "7"
    & skf18("4","3","2","8","1","2","1") = "7"
    & skf18("4","3","2","8","1","3","1") = "7"
    & skf18("4","3","2","8","1","4","1") = "7"
    & skf18("4","3","2","8","1","5","1") = "7"
    & skf18("4","3","2","8","1","6","1") = "7"
    & skf18("4","3","2","8","1","7","1") = "7"
    & skf18("4","3","2","8","1","8","1") = "7"
    & skf18("4","3","2","8","1","9","1") = "8"
    & skf18("4","3","2","8","1","10","1") = "9"
    & skf18("4","3","2","8","2","1","1") = "7"
    & skf18("4","3","2","8","2","2","1") = "7"
    & skf18("4","3","2","8","2","3","1") = "7"
    & skf18("4","3","2","8","2","4","1") = "7"
    & skf18("4","3","2","8","2","5","1") = "7"
    & skf18("4","3","2","8","2","6","1") = "7"
    & skf18("4","3","2","8","2","7","1") = "7"
    & skf18("4","3","2","8","2","8","1") = "7"
    & skf18("4","3","2","8","2","9","1") = "8"
    & skf18("4","3","2","8","2","10","1") = "9"
    & skf18("4","3","2","8","3","1","1") = "7"
    & skf18("4","3","2","8","3","2","1") = "7"
    & skf18("4","3","2","8","3","3","1") = "7"
    & skf18("4","3","2","8","3","4","1") = "7"
    & skf18("4","3","2","8","3","5","1") = "7"
    & skf18("4","3","2","8","3","6","1") = "7"
    & skf18("4","3","2","8","3","7","1") = "7"
    & skf18("4","3","2","8","3","8","1") = "7"
    & skf18("4","3","2","8","3","9","1") = "8"
    & skf18("4","3","2","8","3","10","1") = "9"
    & skf18("4","3","2","8","4","1","1") = "7"
    & skf18("4","3","2","8","4","2","1") = "7"
    & skf18("4","3","2","8","4","3","1") = "7"
    & skf18("4","3","2","8","4","4","1") = "7"
    & skf18("4","3","2","8","4","5","1") = "7"
    & skf18("4","3","2","8","4","6","1") = "7"
    & skf18("4","3","2","8","4","7","1") = "7"
    & skf18("4","3","2","8","4","8","1") = "7"
    & skf18("4","3","2","8","4","9","1") = "8"
    & skf18("4","3","2","8","4","10","1") = "9"
    & skf18("4","3","2","8","5","1","1") = "7"
    & skf18("4","3","2","8","5","2","1") = "7"
    & skf18("4","3","2","8","5","3","1") = "7"
    & skf18("4","3","2","8","5","4","1") = "7"
    & skf18("4","3","2","8","5","5","1") = "7"
    & skf18("4","3","2","8","5","6","1") = "7"
    & skf18("4","3","2","8","5","7","1") = "7"
    & skf18("4","3","2","8","5","8","1") = "7"
    & skf18("4","3","2","8","5","9","1") = "8"
    & skf18("4","3","2","8","5","10","1") = "9"
    & skf18("4","3","2","8","6","1","1") = "7"
    & skf18("4","3","2","8","6","2","1") = "7"
    & skf18("4","3","2","8","6","3","1") = "7"
    & skf18("4","3","2","8","6","4","1") = "7"
    & skf18("4","3","2","8","6","5","1") = "7"
    & skf18("4","3","2","8","6","6","1") = "7"
    & skf18("4","3","2","8","6","7","1") = "7"
    & skf18("4","3","2","8","6","8","1") = "7"
    & skf18("4","3","2","8","6","9","1") = "8"
    & skf18("4","3","2","8","6","10","1") = "9"
    & skf18("4","3","2","8","7","1","1") = "7"
    & skf18("4","3","2","8","7","2","1") = "7"
    & skf18("4","3","2","8","7","3","1") = "7"
    & skf18("4","3","2","8","7","4","1") = "7"
    & skf18("4","3","2","8","7","5","1") = "7"
    & skf18("4","3","2","8","7","6","1") = "7"
    & skf18("4","3","2","8","7","7","1") = "7"
    & skf18("4","3","2","8","7","8","1") = "7"
    & skf18("4","3","2","8","7","9","1") = "8"
    & skf18("4","3","2","8","7","10","1") = "9"
    & skf18("4","3","2","8","8","1","1") = "7"
    & skf18("4","3","2","8","8","2","1") = "7"
    & skf18("4","3","2","8","8","3","1") = "7"
    & skf18("4","3","2","8","8","4","1") = "7"
    & skf18("4","3","2","8","8","5","1") = "7"
    & skf18("4","3","2","8","8","6","1") = "7"
    & skf18("4","3","2","8","8","7","1") = "7"
    & skf18("4","3","2","8","8","8","1") = "7"
    & skf18("4","3","2","8","8","9","1") = "8"
    & skf18("4","3","2","8","8","10","1") = "9"
    & skf18("4","3","2","8","9","1","1") = "8"
    & skf18("4","3","2","8","9","2","1") = "8"
    & skf18("4","3","2","8","9","3","1") = "8"
    & skf18("4","3","2","8","9","4","1") = "8"
    & skf18("4","3","2","8","9","5","1") = "8"
    & skf18("4","3","2","8","9","6","1") = "8"
    & skf18("4","3","2","8","9","7","1") = "8"
    & skf18("4","3","2","8","9","8","1") = "8"
    & skf18("4","3","2","8","9","9","1") = "8"
    & skf18("4","3","2","8","9","10","1") = "9"
    & skf18("4","3","2","8","10","1","1") = "9"
    & skf18("4","3","2","8","10","2","1") = "9"
    & skf18("4","3","2","8","10","3","1") = "9"
    & skf18("4","3","2","8","10","4","1") = "9"
    & skf18("4","3","2","8","10","5","1") = "9"
    & skf18("4","3","2","8","10","6","1") = "9"
    & skf18("4","3","2","8","10","7","1") = "9"
    & skf18("4","3","2","8","10","8","1") = "9"
    & skf18("4","3","2","8","10","9","1") = "9"
    & skf18("4","3","2","8","10","10","1") = "9"
    & skf18("4","3","2","9","1","1","1") = "8"
    & skf18("4","3","2","9","1","2","1") = "8"
    & skf18("4","3","2","9","1","3","1") = "8"
    & skf18("4","3","2","9","1","4","1") = "8"
    & skf18("4","3","2","9","1","5","1") = "8"
    & skf18("4","3","2","9","1","6","1") = "8"
    & skf18("4","3","2","9","1","7","1") = "8"
    & skf18("4","3","2","9","1","8","1") = "8"
    & skf18("4","3","2","9","1","9","1") = "8"
    & skf18("4","3","2","9","1","10","1") = "9"
    & skf18("4","3","2","9","2","1","1") = "8"
    & skf18("4","3","2","9","2","2","1") = "8"
    & skf18("4","3","2","9","2","3","1") = "8"
    & skf18("4","3","2","9","2","4","1") = "8"
    & skf18("4","3","2","9","2","5","1") = "8"
    & skf18("4","3","2","9","2","6","1") = "8"
    & skf18("4","3","2","9","2","7","1") = "8"
    & skf18("4","3","2","9","2","8","1") = "8"
    & skf18("4","3","2","9","2","9","1") = "8"
    & skf18("4","3","2","9","2","10","1") = "9"
    & skf18("4","3","2","9","3","1","1") = "8"
    & skf18("4","3","2","9","3","2","1") = "8"
    & skf18("4","3","2","9","3","3","1") = "8"
    & skf18("4","3","2","9","3","4","1") = "8"
    & skf18("4","3","2","9","3","5","1") = "8"
    & skf18("4","3","2","9","3","6","1") = "8"
    & skf18("4","3","2","9","3","7","1") = "8"
    & skf18("4","3","2","9","3","8","1") = "8"
    & skf18("4","3","2","9","3","9","1") = "8"
    & skf18("4","3","2","9","3","10","1") = "9"
    & skf18("4","3","2","9","4","1","1") = "8"
    & skf18("4","3","2","9","4","2","1") = "8"
    & skf18("4","3","2","9","4","3","1") = "8"
    & skf18("4","3","2","9","4","4","1") = "8"
    & skf18("4","3","2","9","4","5","1") = "8"
    & skf18("4","3","2","9","4","6","1") = "8"
    & skf18("4","3","2","9","4","7","1") = "8"
    & skf18("4","3","2","9","4","8","1") = "8"
    & skf18("4","3","2","9","4","9","1") = "8"
    & skf18("4","3","2","9","4","10","1") = "9"
    & skf18("4","3","2","9","5","1","1") = "8"
    & skf18("4","3","2","9","5","2","1") = "8"
    & skf18("4","3","2","9","5","3","1") = "8"
    & skf18("4","3","2","9","5","4","1") = "8"
    & skf18("4","3","2","9","5","5","1") = "8"
    & skf18("4","3","2","9","5","6","1") = "8"
    & skf18("4","3","2","9","5","7","1") = "8"
    & skf18("4","3","2","9","5","8","1") = "8"
    & skf18("4","3","2","9","5","9","1") = "8"
    & skf18("4","3","2","9","5","10","1") = "9"
    & skf18("4","3","2","9","6","1","1") = "8"
    & skf18("4","3","2","9","6","2","1") = "8"
    & skf18("4","3","2","9","6","3","1") = "8"
    & skf18("4","3","2","9","6","4","1") = "8"
    & skf18("4","3","2","9","6","5","1") = "8"
    & skf18("4","3","2","9","6","6","1") = "8"
    & skf18("4","3","2","9","6","7","1") = "8"
    & skf18("4","3","2","9","6","8","1") = "8"
    & skf18("4","3","2","9","6","9","1") = "8"
    & skf18("4","3","2","9","6","10","1") = "9"
    & skf18("4","3","2","9","7","1","1") = "8"
    & skf18("4","3","2","9","7","2","1") = "8"
    & skf18("4","3","2","9","7","3","1") = "8"
    & skf18("4","3","2","9","7","4","1") = "8"
    & skf18("4","3","2","9","7","5","1") = "8"
    & skf18("4","3","2","9","7","6","1") = "8"
    & skf18("4","3","2","9","7","7","1") = "8"
    & skf18("4","3","2","9","7","8","1") = "8"
    & skf18("4","3","2","9","7","9","1") = "8"
    & skf18("4","3","2","9","7","10","1") = "9"
    & skf18("4","3","2","9","8","1","1") = "8"
    & skf18("4","3","2","9","8","2","1") = "8"
    & skf18("4","3","2","9","8","3","1") = "8"
    & skf18("4","3","2","9","8","4","1") = "8"
    & skf18("4","3","2","9","8","5","1") = "8"
    & skf18("4","3","2","9","8","6","1") = "8"
    & skf18("4","3","2","9","8","7","1") = "8"
    & skf18("4","3","2","9","8","8","1") = "8"
    & skf18("4","3","2","9","8","9","1") = "8"
    & skf18("4","3","2","9","8","10","1") = "9"
    & skf18("4","3","2","9","9","1","1") = "8"
    & skf18("4","3","2","9","9","2","1") = "8"
    & skf18("4","3","2","9","9","3","1") = "8"
    & skf18("4","3","2","9","9","4","1") = "8"
    & skf18("4","3","2","9","9","5","1") = "8"
    & skf18("4","3","2","9","9","6","1") = "8"
    & skf18("4","3","2","9","9","7","1") = "8"
    & skf18("4","3","2","9","9","8","1") = "8"
    & skf18("4","3","2","9","9","9","1") = "8"
    & skf18("4","3","2","9","9","10","1") = "9"
    & skf18("4","3","2","9","10","1","1") = "9"
    & skf18("4","3","2","9","10","2","1") = "9"
    & skf18("4","3","2","9","10","3","1") = "9"
    & skf18("4","3","2","9","10","4","1") = "9"
    & skf18("4","3","2","9","10","5","1") = "9"
    & skf18("4","3","2","9","10","6","1") = "9"
    & skf18("4","3","2","9","10","7","1") = "9"
    & skf18("4","3","2","9","10","8","1") = "9"
    & skf18("4","3","2","9","10","9","1") = "9"
    & skf18("4","3","2","9","10","10","1") = "9"
    & skf18("4","3","2","10","1","1","1") = "9"
    & skf18("4","3","2","10","1","2","1") = "9"
    & skf18("4","3","2","10","1","3","1") = "9"
    & skf18("4","3","2","10","1","4","1") = "9"
    & skf18("4","3","2","10","1","5","1") = "9"
    & skf18("4","3","2","10","1","6","1") = "9"
    & skf18("4","3","2","10","1","7","1") = "9"
    & skf18("4","3","2","10","1","8","1") = "9"
    & skf18("4","3","2","10","1","9","1") = "9"
    & skf18("4","3","2","10","1","10","1") = "9"
    & skf18("4","3","2","10","2","1","1") = "9"
    & skf18("4","3","2","10","2","2","1") = "9"
    & skf18("4","3","2","10","2","3","1") = "9"
    & skf18("4","3","2","10","2","4","1") = "9"
    & skf18("4","3","2","10","2","5","1") = "9"
    & skf18("4","3","2","10","2","6","1") = "9"
    & skf18("4","3","2","10","2","7","1") = "9"
    & skf18("4","3","2","10","2","8","1") = "9"
    & skf18("4","3","2","10","2","9","1") = "9"
    & skf18("4","3","2","10","2","10","1") = "9"
    & skf18("4","3","2","10","3","1","1") = "9"
    & skf18("4","3","2","10","3","2","1") = "9"
    & skf18("4","3","2","10","3","3","1") = "9"
    & skf18("4","3","2","10","3","4","1") = "9"
    & skf18("4","3","2","10","3","5","1") = "9"
    & skf18("4","3","2","10","3","6","1") = "9"
    & skf18("4","3","2","10","3","7","1") = "9"
    & skf18("4","3","2","10","3","8","1") = "9"
    & skf18("4","3","2","10","3","9","1") = "9"
    & skf18("4","3","2","10","3","10","1") = "9"
    & skf18("4","3","2","10","4","1","1") = "9"
    & skf18("4","3","2","10","4","2","1") = "9"
    & skf18("4","3","2","10","4","3","1") = "9"
    & skf18("4","3","2","10","4","4","1") = "9"
    & skf18("4","3","2","10","4","5","1") = "9"
    & skf18("4","3","2","10","4","6","1") = "9"
    & skf18("4","3","2","10","4","7","1") = "9"
    & skf18("4","3","2","10","4","8","1") = "9"
    & skf18("4","3","2","10","4","9","1") = "9"
    & skf18("4","3","2","10","4","10","1") = "9"
    & skf18("4","3","2","10","5","1","1") = "9"
    & skf18("4","3","2","10","5","2","1") = "9"
    & skf18("4","3","2","10","5","3","1") = "9"
    & skf18("4","3","2","10","5","4","1") = "9"
    & skf18("4","3","2","10","5","5","1") = "9"
    & skf18("4","3","2","10","5","6","1") = "9"
    & skf18("4","3","2","10","5","7","1") = "9"
    & skf18("4","3","2","10","5","8","1") = "9"
    & skf18("4","3","2","10","5","9","1") = "9"
    & skf18("4","3","2","10","5","10","1") = "9"
    & skf18("4","3","2","10","6","1","1") = "9"
    & skf18("4","3","2","10","6","2","1") = "9"
    & skf18("4","3","2","10","6","3","1") = "9"
    & skf18("4","3","2","10","6","4","1") = "9"
    & skf18("4","3","2","10","6","5","1") = "9"
    & skf18("4","3","2","10","6","6","1") = "9"
    & skf18("4","3","2","10","6","7","1") = "9"
    & skf18("4","3","2","10","6","8","1") = "9"
    & skf18("4","3","2","10","6","9","1") = "9"
    & skf18("4","3","2","10","6","10","1") = "9"
    & skf18("4","3","2","10","7","1","1") = "9"
    & skf18("4","3","2","10","7","2","1") = "9"
    & skf18("4","3","2","10","7","3","1") = "9"
    & skf18("4","3","2","10","7","4","1") = "9"
    & skf18("4","3","2","10","7","5","1") = "9"
    & skf18("4","3","2","10","7","6","1") = "9"
    & skf18("4","3","2","10","7","7","1") = "9"
    & skf18("4","3","2","10","7","8","1") = "9"
    & skf18("4","3","2","10","7","9","1") = "9"
    & skf18("4","3","2","10","7","10","1") = "9"
    & skf18("4","3","2","10","8","1","1") = "9"
    & skf18("4","3","2","10","8","2","1") = "9"
    & skf18("4","3","2","10","8","3","1") = "9"
    & skf18("4","3","2","10","8","4","1") = "9"
    & skf18("4","3","2","10","8","5","1") = "9"
    & skf18("4","3","2","10","8","6","1") = "9"
    & skf18("4","3","2","10","8","7","1") = "9"
    & skf18("4","3","2","10","8","8","1") = "9"
    & skf18("4","3","2","10","8","9","1") = "9"
    & skf18("4","3","2","10","8","10","1") = "9"
    & skf18("4","3","2","10","9","1","1") = "9"
    & skf18("4","3","2","10","9","2","1") = "9"
    & skf18("4","3","2","10","9","3","1") = "9"
    & skf18("4","3","2","10","9","4","1") = "9"
    & skf18("4","3","2","10","9","5","1") = "9"
    & skf18("4","3","2","10","9","6","1") = "9"
    & skf18("4","3","2","10","9","7","1") = "9"
    & skf18("4","3","2","10","9","8","1") = "9"
    & skf18("4","3","2","10","9","9","1") = "9"
    & skf18("4","3","2","10","9","10","1") = "9"
    & skf18("4","3","2","10","10","1","1") = "9"
    & skf18("4","3","2","10","10","2","1") = "9"
    & skf18("4","3","2","10","10","3","1") = "9"
    & skf18("4","3","2","10","10","4","1") = "9"
    & skf18("4","3","2","10","10","5","1") = "9"
    & skf18("4","3","2","10","10","6","1") = "9"
    & skf18("4","3","2","10","10","7","1") = "9"
    & skf18("4","3","2","10","10","8","1") = "9"
    & skf18("4","3","2","10","10","9","1") = "9"
    & skf18("4","3","2","10","10","10","1") = "9"
    & skf18("4","3","3","1","1","1","1") = "3"
    & skf18("4","3","3","1","1","2","1") = "3"
    & skf18("4","3","3","1","1","3","1") = "3"
    & skf18("4","3","3","1","1","4","1") = "3"
    & skf18("4","3","3","1","1","5","1") = "4"
    & skf18("4","3","3","1","1","6","1") = "5"
    & skf18("4","3","3","1","1","7","1") = "6"
    & skf18("4","3","3","1","1","8","1") = "7"
    & skf18("4","3","3","1","1","9","1") = "8"
    & skf18("4","3","3","1","1","10","1") = "9"
    & skf18("4","3","3","1","2","1","1") = "3"
    & skf18("4","3","3","1","2","2","1") = "3"
    & skf18("4","3","3","1","2","3","1") = "3"
    & skf18("4","3","3","1","2","4","1") = "3"
    & skf18("4","3","3","1","2","5","1") = "4"
    & skf18("4","3","3","1","2","6","1") = "5"
    & skf18("4","3","3","1","2","7","1") = "6"
    & skf18("4","3","3","1","2","8","1") = "7"
    & skf18("4","3","3","1","2","9","1") = "8"
    & skf18("4","3","3","1","2","10","1") = "9"
    & skf18("4","3","3","1","3","1","1") = "3"
    & skf18("4","3","3","1","3","2","1") = "3"
    & skf18("4","3","3","1","3","3","1") = "3"
    & skf18("4","3","3","1","3","4","1") = "3"
    & skf18("4","3","3","1","3","5","1") = "4"
    & skf18("4","3","3","1","3","6","1") = "5"
    & skf18("4","3","3","1","3","7","1") = "6"
    & skf18("4","3","3","1","3","8","1") = "7"
    & skf18("4","3","3","1","3","9","1") = "8"
    & skf18("4","3","3","1","3","10","1") = "9"
    & skf18("4","3","3","1","4","1","1") = "3"
    & skf18("4","3","3","1","4","2","1") = "3"
    & skf18("4","3","3","1","4","3","1") = "3"
    & skf18("4","3","3","1","4","4","1") = "3"
    & skf18("4","3","3","1","4","5","1") = "4"
    & skf18("4","3","3","1","4","6","1") = "5"
    & skf18("4","3","3","1","4","7","1") = "6"
    & skf18("4","3","3","1","4","8","1") = "7"
    & skf18("4","3","3","1","4","9","1") = "8"
    & skf18("4","3","3","1","4","10","1") = "9"
    & skf18("4","3","3","1","5","1","1") = "4"
    & skf18("4","3","3","1","5","2","1") = "4"
    & skf18("4","3","3","1","5","3","1") = "4"
    & skf18("4","3","3","1","5","4","1") = "4"
    & skf18("4","3","3","1","5","5","1") = "4"
    & skf18("4","3","3","1","5","6","1") = "5"
    & skf18("4","3","3","1","5","7","1") = "6"
    & skf18("4","3","3","1","5","8","1") = "7"
    & skf18("4","3","3","1","5","9","1") = "8"
    & skf18("4","3","3","1","5","10","1") = "9"
    & skf18("4","3","3","1","6","1","1") = "5"
    & skf18("4","3","3","1","6","2","1") = "5"
    & skf18("4","3","3","1","6","3","1") = "5"
    & skf18("4","3","3","1","6","4","1") = "5"
    & skf18("4","3","3","1","6","5","1") = "5"
    & skf18("4","3","3","1","6","6","1") = "5"
    & skf18("4","3","3","1","6","7","1") = "6"
    & skf18("4","3","3","1","6","8","1") = "7"
    & skf18("4","3","3","1","6","9","1") = "8"
    & skf18("4","3","3","1","6","10","1") = "9"
    & skf18("4","3","3","1","7","1","1") = "6"
    & skf18("4","3","3","1","7","2","1") = "6"
    & skf18("4","3","3","1","7","3","1") = "6"
    & skf18("4","3","3","1","7","4","1") = "6"
    & skf18("4","3","3","1","7","5","1") = "6"
    & skf18("4","3","3","1","7","6","1") = "6"
    & skf18("4","3","3","1","7","7","1") = "6"
    & skf18("4","3","3","1","7","8","1") = "7"
    & skf18("4","3","3","1","7","9","1") = "8"
    & skf18("4","3","3","1","7","10","1") = "9"
    & skf18("4","3","3","1","8","1","1") = "7"
    & skf18("4","3","3","1","8","2","1") = "7"
    & skf18("4","3","3","1","8","3","1") = "7"
    & skf18("4","3","3","1","8","4","1") = "7"
    & skf18("4","3","3","1","8","5","1") = "7"
    & skf18("4","3","3","1","8","6","1") = "7"
    & skf18("4","3","3","1","8","7","1") = "7"
    & skf18("4","3","3","1","8","8","1") = "7"
    & skf18("4","3","3","1","8","9","1") = "8"
    & skf18("4","3","3","1","8","10","1") = "9"
    & skf18("4","3","3","1","9","1","1") = "8"
    & skf18("4","3","3","1","9","2","1") = "8"
    & skf18("4","3","3","1","9","3","1") = "8"
    & skf18("4","3","3","1","9","4","1") = "8"
    & skf18("4","3","3","1","9","5","1") = "8"
    & skf18("4","3","3","1","9","6","1") = "8"
    & skf18("4","3","3","1","9","7","1") = "8"
    & skf18("4","3","3","1","9","8","1") = "8"
    & skf18("4","3","3","1","9","9","1") = "8"
    & skf18("4","3","3","1","9","10","1") = "9"
    & skf18("4","3","3","1","10","1","1") = "9"
    & skf18("4","3","3","1","10","2","1") = "9"
    & skf18("4","3","3","1","10","3","1") = "9"
    & skf18("4","3","3","1","10","4","1") = "9"
    & skf18("4","3","3","1","10","5","1") = "9"
    & skf18("4","3","3","1","10","6","1") = "9"
    & skf18("4","3","3","1","10","7","1") = "9"
    & skf18("4","3","3","1","10","8","1") = "9"
    & skf18("4","3","3","1","10","9","1") = "9"
    & skf18("4","3","3","1","10","10","1") = "9"
    & skf18("4","3","3","2","1","1","1") = "3"
    & skf18("4","3","3","2","1","2","1") = "3"
    & skf18("4","3","3","2","1","3","1") = "3"
    & skf18("4","3","3","2","1","4","1") = "3"
    & skf18("4","3","3","2","1","5","1") = "4"
    & skf18("4","3","3","2","1","6","1") = "5"
    & skf18("4","3","3","2","1","7","1") = "6"
    & skf18("4","3","3","2","1","8","1") = "7"
    & skf18("4","3","3","2","1","9","1") = "8"
    & skf18("4","3","3","2","1","10","1") = "9"
    & skf18("4","3","3","2","2","1","1") = "3"
    & skf18("4","3","3","2","2","2","1") = "3"
    & skf18("4","3","3","2","2","3","1") = "3"
    & skf18("4","3","3","2","2","4","1") = "3"
    & skf18("4","3","3","2","2","5","1") = "4"
    & skf18("4","3","3","2","2","6","1") = "5"
    & skf18("4","3","3","2","2","7","1") = "6"
    & skf18("4","3","3","2","2","8","1") = "7"
    & skf18("4","3","3","2","2","9","1") = "8"
    & skf18("4","3","3","2","2","10","1") = "9"
    & skf18("4","3","3","2","3","1","1") = "3"
    & skf18("4","3","3","2","3","2","1") = "3"
    & skf18("4","3","3","2","3","3","1") = "3"
    & skf18("4","3","3","2","3","4","1") = "3"
    & skf18("4","3","3","2","3","5","1") = "4"
    & skf18("4","3","3","2","3","6","1") = "5"
    & skf18("4","3","3","2","3","7","1") = "6"
    & skf18("4","3","3","2","3","8","1") = "7"
    & skf18("4","3","3","2","3","9","1") = "8"
    & skf18("4","3","3","2","3","10","1") = "9"
    & skf18("4","3","3","2","4","1","1") = "3"
    & skf18("4","3","3","2","4","2","1") = "3"
    & skf18("4","3","3","2","4","3","1") = "3"
    & skf18("4","3","3","2","4","4","1") = "3"
    & skf18("4","3","3","2","4","5","1") = "4"
    & skf18("4","3","3","2","4","6","1") = "5"
    & skf18("4","3","3","2","4","7","1") = "6"
    & skf18("4","3","3","2","4","8","1") = "7"
    & skf18("4","3","3","2","4","9","1") = "8"
    & skf18("4","3","3","2","4","10","1") = "9"
    & skf18("4","3","3","2","5","1","1") = "4"
    & skf18("4","3","3","2","5","2","1") = "4"
    & skf18("4","3","3","2","5","3","1") = "4"
    & skf18("4","3","3","2","5","4","1") = "4"
    & skf18("4","3","3","2","5","5","1") = "4"
    & skf18("4","3","3","2","5","6","1") = "5"
    & skf18("4","3","3","2","5","7","1") = "6"
    & skf18("4","3","3","2","5","8","1") = "7"
    & skf18("4","3","3","2","5","9","1") = "8"
    & skf18("4","3","3","2","5","10","1") = "9"
    & skf18("4","3","3","2","6","1","1") = "5"
    & skf18("4","3","3","2","6","2","1") = "5"
    & skf18("4","3","3","2","6","3","1") = "5"
    & skf18("4","3","3","2","6","4","1") = "5"
    & skf18("4","3","3","2","6","5","1") = "5"
    & skf18("4","3","3","2","6","6","1") = "5"
    & skf18("4","3","3","2","6","7","1") = "6"
    & skf18("4","3","3","2","6","8","1") = "7"
    & skf18("4","3","3","2","6","9","1") = "8"
    & skf18("4","3","3","2","6","10","1") = "9"
    & skf18("4","3","3","2","7","1","1") = "6"
    & skf18("4","3","3","2","7","2","1") = "6"
    & skf18("4","3","3","2","7","3","1") = "6"
    & skf18("4","3","3","2","7","4","1") = "6"
    & skf18("4","3","3","2","7","5","1") = "6"
    & skf18("4","3","3","2","7","6","1") = "6"
    & skf18("4","3","3","2","7","7","1") = "6"
    & skf18("4","3","3","2","7","8","1") = "7"
    & skf18("4","3","3","2","7","9","1") = "8"
    & skf18("4","3","3","2","7","10","1") = "9"
    & skf18("4","3","3","2","8","1","1") = "7"
    & skf18("4","3","3","2","8","2","1") = "7"
    & skf18("4","3","3","2","8","3","1") = "7"
    & skf18("4","3","3","2","8","4","1") = "7"
    & skf18("4","3","3","2","8","5","1") = "7"
    & skf18("4","3","3","2","8","6","1") = "7"
    & skf18("4","3","3","2","8","7","1") = "7"
    & skf18("4","3","3","2","8","8","1") = "7"
    & skf18("4","3","3","2","8","9","1") = "8"
    & skf18("4","3","3","2","8","10","1") = "9"
    & skf18("4","3","3","2","9","1","1") = "8"
    & skf18("4","3","3","2","9","2","1") = "8"
    & skf18("4","3","3","2","9","3","1") = "8"
    & skf18("4","3","3","2","9","4","1") = "8"
    & skf18("4","3","3","2","9","5","1") = "8"
    & skf18("4","3","3","2","9","6","1") = "8"
    & skf18("4","3","3","2","9","7","1") = "8"
    & skf18("4","3","3","2","9","8","1") = "8"
    & skf18("4","3","3","2","9","9","1") = "8"
    & skf18("4","3","3","2","9","10","1") = "9"
    & skf18("4","3","3","2","10","1","1") = "9"
    & skf18("4","3","3","2","10","2","1") = "9"
    & skf18("4","3","3","2","10","3","1") = "9"
    & skf18("4","3","3","2","10","4","1") = "9"
    & skf18("4","3","3","2","10","5","1") = "9"
    & skf18("4","3","3","2","10","6","1") = "9"
    & skf18("4","3","3","2","10","7","1") = "9"
    & skf18("4","3","3","2","10","8","1") = "9"
    & skf18("4","3","3","2","10","9","1") = "9"
    & skf18("4","3","3","2","10","10","1") = "9"
    & skf18("4","3","3","3","1","1","1") = "3"
    & skf18("4","3","3","3","1","2","1") = "3"
    & skf18("4","3","3","3","1","3","1") = "3"
    & skf18("4","3","3","3","1","4","1") = "3"
    & skf18("4","3","3","3","1","5","1") = "4"
    & skf18("4","3","3","3","1","6","1") = "5"
    & skf18("4","3","3","3","1","7","1") = "6"
    & skf18("4","3","3","3","1","8","1") = "7"
    & skf18("4","3","3","3","1","9","1") = "8"
    & skf18("4","3","3","3","1","10","1") = "9"
    & skf18("4","3","3","3","2","1","1") = "3"
    & skf18("4","3","3","3","2","2","1") = "3"
    & skf18("4","3","3","3","2","3","1") = "3"
    & skf18("4","3","3","3","2","4","1") = "3"
    & skf18("4","3","3","3","2","5","1") = "4"
    & skf18("4","3","3","3","2","6","1") = "5"
    & skf18("4","3","3","3","2","7","1") = "6"
    & skf18("4","3","3","3","2","8","1") = "7"
    & skf18("4","3","3","3","2","9","1") = "8"
    & skf18("4","3","3","3","2","10","1") = "9"
    & skf18("4","3","3","3","3","1","1") = "3"
    & skf18("4","3","3","3","3","2","1") = "3"
    & skf18("4","3","3","3","3","3","1") = "3"
    & skf18("4","3","3","3","3","4","1") = "3"
    & skf18("4","3","3","3","3","5","1") = "4"
    & skf18("4","3","3","3","3","6","1") = "5"
    & skf18("4","3","3","3","3","7","1") = "6"
    & skf18("4","3","3","3","3","8","1") = "7"
    & skf18("4","3","3","3","3","9","1") = "8"
    & skf18("4","3","3","3","3","10","1") = "9"
    & skf18("4","3","3","3","4","1","1") = "3"
    & skf18("4","3","3","3","4","2","1") = "3"
    & skf18("4","3","3","3","4","3","1") = "3"
    & skf18("4","3","3","3","4","4","1") = "3"
    & skf18("4","3","3","3","4","5","1") = "4"
    & skf18("4","3","3","3","4","6","1") = "5"
    & skf18("4","3","3","3","4","7","1") = "6"
    & skf18("4","3","3","3","4","8","1") = "7"
    & skf18("4","3","3","3","4","9","1") = "8"
    & skf18("4","3","3","3","4","10","1") = "9"
    & skf18("4","3","3","3","5","1","1") = "4"
    & skf18("4","3","3","3","5","2","1") = "4"
    & skf18("4","3","3","3","5","3","1") = "4"
    & skf18("4","3","3","3","5","4","1") = "4"
    & skf18("4","3","3","3","5","5","1") = "4"
    & skf18("4","3","3","3","5","6","1") = "5"
    & skf18("4","3","3","3","5","7","1") = "6"
    & skf18("4","3","3","3","5","8","1") = "7"
    & skf18("4","3","3","3","5","9","1") = "8"
    & skf18("4","3","3","3","5","10","1") = "9"
    & skf18("4","3","3","3","6","1","1") = "5"
    & skf18("4","3","3","3","6","2","1") = "5"
    & skf18("4","3","3","3","6","3","1") = "5"
    & skf18("4","3","3","3","6","4","1") = "5"
    & skf18("4","3","3","3","6","5","1") = "5"
    & skf18("4","3","3","3","6","6","1") = "5"
    & skf18("4","3","3","3","6","7","1") = "6"
    & skf18("4","3","3","3","6","8","1") = "7"
    & skf18("4","3","3","3","6","9","1") = "8"
    & skf18("4","3","3","3","6","10","1") = "9"
    & skf18("4","3","3","3","7","1","1") = "6"
    & skf18("4","3","3","3","7","2","1") = "6"
    & skf18("4","3","3","3","7","3","1") = "6"
    & skf18("4","3","3","3","7","4","1") = "6"
    & skf18("4","3","3","3","7","5","1") = "6"
    & skf18("4","3","3","3","7","6","1") = "6"
    & skf18("4","3","3","3","7","7","1") = "6"
    & skf18("4","3","3","3","7","8","1") = "7"
    & skf18("4","3","3","3","7","9","1") = "8"
    & skf18("4","3","3","3","7","10","1") = "9"
    & skf18("4","3","3","3","8","1","1") = "7"
    & skf18("4","3","3","3","8","2","1") = "7"
    & skf18("4","3","3","3","8","3","1") = "7"
    & skf18("4","3","3","3","8","4","1") = "7"
    & skf18("4","3","3","3","8","5","1") = "7"
    & skf18("4","3","3","3","8","6","1") = "7"
    & skf18("4","3","3","3","8","7","1") = "7"
    & skf18("4","3","3","3","8","8","1") = "7"
    & skf18("4","3","3","3","8","9","1") = "8"
    & skf18("4","3","3","3","8","10","1") = "9"
    & skf18("4","3","3","3","9","1","1") = "8"
    & skf18("4","3","3","3","9","2","1") = "8"
    & skf18("4","3","3","3","9","3","1") = "8"
    & skf18("4","3","3","3","9","4","1") = "8"
    & skf18("4","3","3","3","9","5","1") = "8"
    & skf18("4","3","3","3","9","6","1") = "8"
    & skf18("4","3","3","3","9","7","1") = "8"
    & skf18("4","3","3","3","9","8","1") = "8"
    & skf18("4","3","3","3","9","9","1") = "8"
    & skf18("4","3","3","3","9","10","1") = "9"
    & skf18("4","3","3","3","10","1","1") = "9"
    & skf18("4","3","3","3","10","2","1") = "9"
    & skf18("4","3","3","3","10","3","1") = "9"
    & skf18("4","3","3","3","10","4","1") = "9"
    & skf18("4","3","3","3","10","5","1") = "9"
    & skf18("4","3","3","3","10","6","1") = "9"
    & skf18("4","3","3","3","10","7","1") = "9"
    & skf18("4","3","3","3","10","8","1") = "9"
    & skf18("4","3","3","3","10","9","1") = "9"
    & skf18("4","3","3","3","10","10","1") = "9"
    & skf18("4","3","3","4","1","1","1") = "3"
    & skf18("4","3","3","4","1","2","1") = "3"
    & skf18("4","3","3","4","1","3","1") = "3"
    & skf18("4","3","3","4","1","4","1") = "3"
    & skf18("4","3","3","4","1","5","1") = "4"
    & skf18("4","3","3","4","1","6","1") = "5"
    & skf18("4","3","3","4","1","7","1") = "6"
    & skf18("4","3","3","4","1","8","1") = "7"
    & skf18("4","3","3","4","1","9","1") = "8"
    & skf18("4","3","3","4","1","10","1") = "9"
    & skf18("4","3","3","4","2","1","1") = "3"
    & skf18("4","3","3","4","2","2","1") = "3"
    & skf18("4","3","3","4","2","3","1") = "3"
    & skf18("4","3","3","4","2","4","1") = "3"
    & skf18("4","3","3","4","2","5","1") = "4"
    & skf18("4","3","3","4","2","6","1") = "5"
    & skf18("4","3","3","4","2","7","1") = "6"
    & skf18("4","3","3","4","2","8","1") = "7"
    & skf18("4","3","3","4","2","9","1") = "8"
    & skf18("4","3","3","4","2","10","1") = "9"
    & skf18("4","3","3","4","3","1","1") = "3"
    & skf18("4","3","3","4","3","2","1") = "3"
    & skf18("4","3","3","4","3","3","1") = "3"
    & skf18("4","3","3","4","3","4","1") = "3"
    & skf18("4","3","3","4","3","5","1") = "4"
    & skf18("4","3","3","4","3","6","1") = "5"
    & skf18("4","3","3","4","3","7","1") = "6"
    & skf18("4","3","3","4","3","8","1") = "7"
    & skf18("4","3","3","4","3","9","1") = "8"
    & skf18("4","3","3","4","3","10","1") = "9"
    & skf18("4","3","3","4","4","1","1") = "3"
    & skf18("4","3","3","4","4","2","1") = "3"
    & skf18("4","3","3","4","4","3","1") = "3"
    & skf18("4","3","3","4","4","4","1") = "3"
    & skf18("4","3","3","4","4","5","1") = "4"
    & skf18("4","3","3","4","4","6","1") = "5"
    & skf18("4","3","3","4","4","7","1") = "6"
    & skf18("4","3","3","4","4","8","1") = "7"
    & skf18("4","3","3","4","4","9","1") = "8"
    & skf18("4","3","3","4","4","10","1") = "9"
    & skf18("4","3","3","4","5","1","1") = "4"
    & skf18("4","3","3","4","5","2","1") = "4"
    & skf18("4","3","3","4","5","3","1") = "4"
    & skf18("4","3","3","4","5","4","1") = "4"
    & skf18("4","3","3","4","5","5","1") = "4"
    & skf18("4","3","3","4","5","6","1") = "5"
    & skf18("4","3","3","4","5","7","1") = "6"
    & skf18("4","3","3","4","5","8","1") = "7"
    & skf18("4","3","3","4","5","9","1") = "8"
    & skf18("4","3","3","4","5","10","1") = "9"
    & skf18("4","3","3","4","6","1","1") = "5"
    & skf18("4","3","3","4","6","2","1") = "5"
    & skf18("4","3","3","4","6","3","1") = "5"
    & skf18("4","3","3","4","6","4","1") = "5"
    & skf18("4","3","3","4","6","5","1") = "5"
    & skf18("4","3","3","4","6","6","1") = "5"
    & skf18("4","3","3","4","6","7","1") = "6"
    & skf18("4","3","3","4","6","8","1") = "7"
    & skf18("4","3","3","4","6","9","1") = "8"
    & skf18("4","3","3","4","6","10","1") = "9"
    & skf18("4","3","3","4","7","1","1") = "6"
    & skf18("4","3","3","4","7","2","1") = "6"
    & skf18("4","3","3","4","7","3","1") = "6"
    & skf18("4","3","3","4","7","4","1") = "6"
    & skf18("4","3","3","4","7","5","1") = "6"
    & skf18("4","3","3","4","7","6","1") = "6"
    & skf18("4","3","3","4","7","7","1") = "6"
    & skf18("4","3","3","4","7","8","1") = "7"
    & skf18("4","3","3","4","7","9","1") = "8"
    & skf18("4","3","3","4","7","10","1") = "9"
    & skf18("4","3","3","4","8","1","1") = "7"
    & skf18("4","3","3","4","8","2","1") = "7"
    & skf18("4","3","3","4","8","3","1") = "7"
    & skf18("4","3","3","4","8","4","1") = "7"
    & skf18("4","3","3","4","8","5","1") = "7"
    & skf18("4","3","3","4","8","6","1") = "7"
    & skf18("4","3","3","4","8","7","1") = "7"
    & skf18("4","3","3","4","8","8","1") = "7"
    & skf18("4","3","3","4","8","9","1") = "8"
    & skf18("4","3","3","4","8","10","1") = "9"
    & skf18("4","3","3","4","9","1","1") = "8"
    & skf18("4","3","3","4","9","2","1") = "8"
    & skf18("4","3","3","4","9","3","1") = "8"
    & skf18("4","3","3","4","9","4","1") = "8"
    & skf18("4","3","3","4","9","5","1") = "8"
    & skf18("4","3","3","4","9","6","1") = "8"
    & skf18("4","3","3","4","9","7","1") = "8"
    & skf18("4","3","3","4","9","8","1") = "8"
    & skf18("4","3","3","4","9","9","1") = "8"
    & skf18("4","3","3","4","9","10","1") = "9"
    & skf18("4","3","3","4","10","1","1") = "9"
    & skf18("4","3","3","4","10","2","1") = "9"
    & skf18("4","3","3","4","10","3","1") = "9"
    & skf18("4","3","3","4","10","4","1") = "9"
    & skf18("4","3","3","4","10","5","1") = "9"
    & skf18("4","3","3","4","10","6","1") = "9"
    & skf18("4","3","3","4","10","7","1") = "9"
    & skf18("4","3","3","4","10","8","1") = "9"
    & skf18("4","3","3","4","10","9","1") = "9"
    & skf18("4","3","3","4","10","10","1") = "9"
    & skf18("4","3","3","5","1","1","1") = "4"
    & skf18("4","3","3","5","1","2","1") = "4"
    & skf18("4","3","3","5","1","3","1") = "4"
    & skf18("4","3","3","5","1","4","1") = "4"
    & skf18("4","3","3","5","1","5","1") = "4"
    & skf18("4","3","3","5","1","6","1") = "5"
    & skf18("4","3","3","5","1","7","1") = "6"
    & skf18("4","3","3","5","1","8","1") = "7"
    & skf18("4","3","3","5","1","9","1") = "8"
    & skf18("4","3","3","5","1","10","1") = "9"
    & skf18("4","3","3","5","2","1","1") = "4"
    & skf18("4","3","3","5","2","2","1") = "4"
    & skf18("4","3","3","5","2","3","1") = "4"
    & skf18("4","3","3","5","2","4","1") = "4"
    & skf18("4","3","3","5","2","5","1") = "4"
    & skf18("4","3","3","5","2","6","1") = "5"
    & skf18("4","3","3","5","2","7","1") = "6"
    & skf18("4","3","3","5","2","8","1") = "7"
    & skf18("4","3","3","5","2","9","1") = "8"
    & skf18("4","3","3","5","2","10","1") = "9"
    & skf18("4","3","3","5","3","1","1") = "4"
    & skf18("4","3","3","5","3","2","1") = "4"
    & skf18("4","3","3","5","3","3","1") = "4"
    & skf18("4","3","3","5","3","4","1") = "4"
    & skf18("4","3","3","5","3","5","1") = "4"
    & skf18("4","3","3","5","3","6","1") = "5"
    & skf18("4","3","3","5","3","7","1") = "6"
    & skf18("4","3","3","5","3","8","1") = "7"
    & skf18("4","3","3","5","3","9","1") = "8"
    & skf18("4","3","3","5","3","10","1") = "9"
    & skf18("4","3","3","5","4","1","1") = "4"
    & skf18("4","3","3","5","4","2","1") = "4"
    & skf18("4","3","3","5","4","3","1") = "4"
    & skf18("4","3","3","5","4","4","1") = "4"
    & skf18("4","3","3","5","4","5","1") = "4"
    & skf18("4","3","3","5","4","6","1") = "5"
    & skf18("4","3","3","5","4","7","1") = "6"
    & skf18("4","3","3","5","4","8","1") = "7"
    & skf18("4","3","3","5","4","9","1") = "8"
    & skf18("4","3","3","5","4","10","1") = "9"
    & skf18("4","3","3","5","5","1","1") = "4"
    & skf18("4","3","3","5","5","2","1") = "4"
    & skf18("4","3","3","5","5","3","1") = "4"
    & skf18("4","3","3","5","5","4","1") = "4"
    & skf18("4","3","3","5","5","5","1") = "4"
    & skf18("4","3","3","5","5","6","1") = "5"
    & skf18("4","3","3","5","5","7","1") = "6"
    & skf18("4","3","3","5","5","8","1") = "7"
    & skf18("4","3","3","5","5","9","1") = "8"
    & skf18("4","3","3","5","5","10","1") = "9"
    & skf18("4","3","3","5","6","1","1") = "5"
    & skf18("4","3","3","5","6","2","1") = "5"
    & skf18("4","3","3","5","6","3","1") = "5"
    & skf18("4","3","3","5","6","4","1") = "5"
    & skf18("4","3","3","5","6","5","1") = "5"
    & skf18("4","3","3","5","6","6","1") = "5"
    & skf18("4","3","3","5","6","7","1") = "6"
    & skf18("4","3","3","5","6","8","1") = "7"
    & skf18("4","3","3","5","6","9","1") = "8"
    & skf18("4","3","3","5","6","10","1") = "9"
    & skf18("4","3","3","5","7","1","1") = "6"
    & skf18("4","3","3","5","7","2","1") = "6"
    & skf18("4","3","3","5","7","3","1") = "6"
    & skf18("4","3","3","5","7","4","1") = "6"
    & skf18("4","3","3","5","7","5","1") = "6"
    & skf18("4","3","3","5","7","6","1") = "6"
    & skf18("4","3","3","5","7","7","1") = "6"
    & skf18("4","3","3","5","7","8","1") = "7"
    & skf18("4","3","3","5","7","9","1") = "8"
    & skf18("4","3","3","5","7","10","1") = "9"
    & skf18("4","3","3","5","8","1","1") = "7"
    & skf18("4","3","3","5","8","2","1") = "7"
    & skf18("4","3","3","5","8","3","1") = "7"
    & skf18("4","3","3","5","8","4","1") = "7"
    & skf18("4","3","3","5","8","5","1") = "7"
    & skf18("4","3","3","5","8","6","1") = "7"
    & skf18("4","3","3","5","8","7","1") = "7"
    & skf18("4","3","3","5","8","8","1") = "7"
    & skf18("4","3","3","5","8","9","1") = "8"
    & skf18("4","3","3","5","8","10","1") = "9"
    & skf18("4","3","3","5","9","1","1") = "8"
    & skf18("4","3","3","5","9","2","1") = "8"
    & skf18("4","3","3","5","9","3","1") = "8"
    & skf18("4","3","3","5","9","4","1") = "8"
    & skf18("4","3","3","5","9","5","1") = "8"
    & skf18("4","3","3","5","9","6","1") = "8"
    & skf18("4","3","3","5","9","7","1") = "8"
    & skf18("4","3","3","5","9","8","1") = "8"
    & skf18("4","3","3","5","9","9","1") = "8"
    & skf18("4","3","3","5","9","10","1") = "9"
    & skf18("4","3","3","5","10","1","1") = "9"
    & skf18("4","3","3","5","10","2","1") = "9"
    & skf18("4","3","3","5","10","3","1") = "9"
    & skf18("4","3","3","5","10","4","1") = "9"
    & skf18("4","3","3","5","10","5","1") = "9"
    & skf18("4","3","3","5","10","6","1") = "9"
    & skf18("4","3","3","5","10","7","1") = "9"
    & skf18("4","3","3","5","10","8","1") = "9"
    & skf18("4","3","3","5","10","9","1") = "9"
    & skf18("4","3","3","5","10","10","1") = "9"
    & skf18("4","3","3","6","1","1","1") = "5"
    & skf18("4","3","3","6","1","2","1") = "5"
    & skf18("4","3","3","6","1","3","1") = "5"
    & skf18("4","3","3","6","1","4","1") = "5"
    & skf18("4","3","3","6","1","5","1") = "5"
    & skf18("4","3","3","6","1","6","1") = "5"
    & skf18("4","3","3","6","1","7","1") = "6"
    & skf18("4","3","3","6","1","8","1") = "7"
    & skf18("4","3","3","6","1","9","1") = "8"
    & skf18("4","3","3","6","1","10","1") = "9"
    & skf18("4","3","3","6","2","1","1") = "5"
    & skf18("4","3","3","6","2","2","1") = "5"
    & skf18("4","3","3","6","2","3","1") = "5"
    & skf18("4","3","3","6","2","4","1") = "5"
    & skf18("4","3","3","6","2","5","1") = "5"
    & skf18("4","3","3","6","2","6","1") = "5"
    & skf18("4","3","3","6","2","7","1") = "6"
    & skf18("4","3","3","6","2","8","1") = "7"
    & skf18("4","3","3","6","2","9","1") = "8"
    & skf18("4","3","3","6","2","10","1") = "9"
    & skf18("4","3","3","6","3","1","1") = "5"
    & skf18("4","3","3","6","3","2","1") = "5"
    & skf18("4","3","3","6","3","3","1") = "5"
    & skf18("4","3","3","6","3","4","1") = "5"
    & skf18("4","3","3","6","3","5","1") = "5"
    & skf18("4","3","3","6","3","6","1") = "5"
    & skf18("4","3","3","6","3","7","1") = "6"
    & skf18("4","3","3","6","3","8","1") = "7"
    & skf18("4","3","3","6","3","9","1") = "8"
    & skf18("4","3","3","6","3","10","1") = "9"
    & skf18("4","3","3","6","4","1","1") = "5"
    & skf18("4","3","3","6","4","2","1") = "5"
    & skf18("4","3","3","6","4","3","1") = "5"
    & skf18("4","3","3","6","4","4","1") = "5"
    & skf18("4","3","3","6","4","5","1") = "5"
    & skf18("4","3","3","6","4","6","1") = "5"
    & skf18("4","3","3","6","4","7","1") = "6"
    & skf18("4","3","3","6","4","8","1") = "7"
    & skf18("4","3","3","6","4","9","1") = "8"
    & skf18("4","3","3","6","4","10","1") = "9"
    & skf18("4","3","3","6","5","1","1") = "5"
    & skf18("4","3","3","6","5","2","1") = "5"
    & skf18("4","3","3","6","5","3","1") = "5"
    & skf18("4","3","3","6","5","4","1") = "5"
    & skf18("4","3","3","6","5","5","1") = "5"
    & skf18("4","3","3","6","5","6","1") = "5"
    & skf18("4","3","3","6","5","7","1") = "6"
    & skf18("4","3","3","6","5","8","1") = "7"
    & skf18("4","3","3","6","5","9","1") = "8"
    & skf18("4","3","3","6","5","10","1") = "9"
    & skf18("4","3","3","6","6","1","1") = "5"
    & skf18("4","3","3","6","6","2","1") = "5"
    & skf18("4","3","3","6","6","3","1") = "5"
    & skf18("4","3","3","6","6","4","1") = "5"
    & skf18("4","3","3","6","6","5","1") = "5"
    & skf18("4","3","3","6","6","6","1") = "5"
    & skf18("4","3","3","6","6","7","1") = "6"
    & skf18("4","3","3","6","6","8","1") = "7"
    & skf18("4","3","3","6","6","9","1") = "8"
    & skf18("4","3","3","6","6","10","1") = "9"
    & skf18("4","3","3","6","7","1","1") = "6"
    & skf18("4","3","3","6","7","2","1") = "6"
    & skf18("4","3","3","6","7","3","1") = "6"
    & skf18("4","3","3","6","7","4","1") = "6"
    & skf18("4","3","3","6","7","5","1") = "6"
    & skf18("4","3","3","6","7","6","1") = "6"
    & skf18("4","3","3","6","7","7","1") = "6"
    & skf18("4","3","3","6","7","8","1") = "7"
    & skf18("4","3","3","6","7","9","1") = "8"
    & skf18("4","3","3","6","7","10","1") = "9"
    & skf18("4","3","3","6","8","1","1") = "7"
    & skf18("4","3","3","6","8","2","1") = "7"
    & skf18("4","3","3","6","8","3","1") = "7"
    & skf18("4","3","3","6","8","4","1") = "7"
    & skf18("4","3","3","6","8","5","1") = "7"
    & skf18("4","3","3","6","8","6","1") = "7"
    & skf18("4","3","3","6","8","7","1") = "7"
    & skf18("4","3","3","6","8","8","1") = "7"
    & skf18("4","3","3","6","8","9","1") = "8"
    & skf18("4","3","3","6","8","10","1") = "9"
    & skf18("4","3","3","6","9","1","1") = "8"
    & skf18("4","3","3","6","9","2","1") = "8"
    & skf18("4","3","3","6","9","3","1") = "8"
    & skf18("4","3","3","6","9","4","1") = "8"
    & skf18("4","3","3","6","9","5","1") = "8"
    & skf18("4","3","3","6","9","6","1") = "8"
    & skf18("4","3","3","6","9","7","1") = "8"
    & skf18("4","3","3","6","9","8","1") = "8"
    & skf18("4","3","3","6","9","9","1") = "8"
    & skf18("4","3","3","6","9","10","1") = "9"
    & skf18("4","3","3","6","10","1","1") = "9"
    & skf18("4","3","3","6","10","2","1") = "9"
    & skf18("4","3","3","6","10","3","1") = "9"
    & skf18("4","3","3","6","10","4","1") = "9"
    & skf18("4","3","3","6","10","5","1") = "9"
    & skf18("4","3","3","6","10","6","1") = "9"
    & skf18("4","3","3","6","10","7","1") = "9"
    & skf18("4","3","3","6","10","8","1") = "9"
    & skf18("4","3","3","6","10","9","1") = "9"
    & skf18("4","3","3","6","10","10","1") = "9"
    & skf18("4","3","3","7","1","1","1") = "6"
    & skf18("4","3","3","7","1","2","1") = "6"
    & skf18("4","3","3","7","1","3","1") = "6"
    & skf18("4","3","3","7","1","4","1") = "6"
    & skf18("4","3","3","7","1","5","1") = "6"
    & skf18("4","3","3","7","1","6","1") = "6"
    & skf18("4","3","3","7","1","7","1") = "6"
    & skf18("4","3","3","7","1","8","1") = "7"
    & skf18("4","3","3","7","1","9","1") = "8"
    & skf18("4","3","3","7","1","10","1") = "9"
    & skf18("4","3","3","7","2","1","1") = "6"
    & skf18("4","3","3","7","2","2","1") = "6"
    & skf18("4","3","3","7","2","3","1") = "6"
    & skf18("4","3","3","7","2","4","1") = "6"
    & skf18("4","3","3","7","2","5","1") = "6"
    & skf18("4","3","3","7","2","6","1") = "6"
    & skf18("4","3","3","7","2","7","1") = "6"
    & skf18("4","3","3","7","2","8","1") = "7"
    & skf18("4","3","3","7","2","9","1") = "8"
    & skf18("4","3","3","7","2","10","1") = "9"
    & skf18("4","3","3","7","3","1","1") = "6"
    & skf18("4","3","3","7","3","2","1") = "6"
    & skf18("4","3","3","7","3","3","1") = "6"
    & skf18("4","3","3","7","3","4","1") = "6"
    & skf18("4","3","3","7","3","5","1") = "6"
    & skf18("4","3","3","7","3","6","1") = "6"
    & skf18("4","3","3","7","3","7","1") = "6"
    & skf18("4","3","3","7","3","8","1") = "7"
    & skf18("4","3","3","7","3","9","1") = "8"
    & skf18("4","3","3","7","3","10","1") = "9"
    & skf18("4","3","3","7","4","1","1") = "6"
    & skf18("4","3","3","7","4","2","1") = "6"
    & skf18("4","3","3","7","4","3","1") = "6"
    & skf18("4","3","3","7","4","4","1") = "6"
    & skf18("4","3","3","7","4","5","1") = "6"
    & skf18("4","3","3","7","4","6","1") = "6"
    & skf18("4","3","3","7","4","7","1") = "6"
    & skf18("4","3","3","7","4","8","1") = "7"
    & skf18("4","3","3","7","4","9","1") = "8"
    & skf18("4","3","3","7","4","10","1") = "9"
    & skf18("4","3","3","7","5","1","1") = "6"
    & skf18("4","3","3","7","5","2","1") = "6"
    & skf18("4","3","3","7","5","3","1") = "6"
    & skf18("4","3","3","7","5","4","1") = "6"
    & skf18("4","3","3","7","5","5","1") = "6"
    & skf18("4","3","3","7","5","6","1") = "6"
    & skf18("4","3","3","7","5","7","1") = "6"
    & skf18("4","3","3","7","5","8","1") = "7"
    & skf18("4","3","3","7","5","9","1") = "8"
    & skf18("4","3","3","7","5","10","1") = "9"
    & skf18("4","3","3","7","6","1","1") = "6"
    & skf18("4","3","3","7","6","2","1") = "6"
    & skf18("4","3","3","7","6","3","1") = "6"
    & skf18("4","3","3","7","6","4","1") = "6"
    & skf18("4","3","3","7","6","5","1") = "6"
    & skf18("4","3","3","7","6","6","1") = "6"
    & skf18("4","3","3","7","6","7","1") = "6"
    & skf18("4","3","3","7","6","8","1") = "7"
    & skf18("4","3","3","7","6","9","1") = "8"
    & skf18("4","3","3","7","6","10","1") = "9"
    & skf18("4","3","3","7","7","1","1") = "6"
    & skf18("4","3","3","7","7","2","1") = "6"
    & skf18("4","3","3","7","7","3","1") = "6"
    & skf18("4","3","3","7","7","4","1") = "6"
    & skf18("4","3","3","7","7","5","1") = "6"
    & skf18("4","3","3","7","7","6","1") = "6"
    & skf18("4","3","3","7","7","7","1") = "6"
    & skf18("4","3","3","7","7","8","1") = "7"
    & skf18("4","3","3","7","7","9","1") = "8"
    & skf18("4","3","3","7","7","10","1") = "9"
    & skf18("4","3","3","7","8","1","1") = "7"
    & skf18("4","3","3","7","8","2","1") = "7"
    & skf18("4","3","3","7","8","3","1") = "7"
    & skf18("4","3","3","7","8","4","1") = "7"
    & skf18("4","3","3","7","8","5","1") = "7"
    & skf18("4","3","3","7","8","6","1") = "7"
    & skf18("4","3","3","7","8","7","1") = "7"
    & skf18("4","3","3","7","8","8","1") = "7"
    & skf18("4","3","3","7","8","9","1") = "8"
    & skf18("4","3","3","7","8","10","1") = "9"
    & skf18("4","3","3","7","9","1","1") = "8"
    & skf18("4","3","3","7","9","2","1") = "8"
    & skf18("4","3","3","7","9","3","1") = "8"
    & skf18("4","3","3","7","9","4","1") = "8"
    & skf18("4","3","3","7","9","5","1") = "8"
    & skf18("4","3","3","7","9","6","1") = "8"
    & skf18("4","3","3","7","9","7","1") = "8"
    & skf18("4","3","3","7","9","8","1") = "8"
    & skf18("4","3","3","7","9","9","1") = "8"
    & skf18("4","3","3","7","9","10","1") = "9"
    & skf18("4","3","3","7","10","1","1") = "9"
    & skf18("4","3","3","7","10","2","1") = "9"
    & skf18("4","3","3","7","10","3","1") = "9"
    & skf18("4","3","3","7","10","4","1") = "9"
    & skf18("4","3","3","7","10","5","1") = "9"
    & skf18("4","3","3","7","10","6","1") = "9"
    & skf18("4","3","3","7","10","7","1") = "9"
    & skf18("4","3","3","7","10","8","1") = "9"
    & skf18("4","3","3","7","10","9","1") = "9"
    & skf18("4","3","3","7","10","10","1") = "9"
    & skf18("4","3","3","8","1","1","1") = "7"
    & skf18("4","3","3","8","1","2","1") = "7"
    & skf18("4","3","3","8","1","3","1") = "7"
    & skf18("4","3","3","8","1","4","1") = "7"
    & skf18("4","3","3","8","1","5","1") = "7"
    & skf18("4","3","3","8","1","6","1") = "7"
    & skf18("4","3","3","8","1","7","1") = "7"
    & skf18("4","3","3","8","1","8","1") = "7"
    & skf18("4","3","3","8","1","9","1") = "8"
    & skf18("4","3","3","8","1","10","1") = "9"
    & skf18("4","3","3","8","2","1","1") = "7"
    & skf18("4","3","3","8","2","2","1") = "7"
    & skf18("4","3","3","8","2","3","1") = "7"
    & skf18("4","3","3","8","2","4","1") = "7"
    & skf18("4","3","3","8","2","5","1") = "7"
    & skf18("4","3","3","8","2","6","1") = "7"
    & skf18("4","3","3","8","2","7","1") = "7"
    & skf18("4","3","3","8","2","8","1") = "7"
    & skf18("4","3","3","8","2","9","1") = "8"
    & skf18("4","3","3","8","2","10","1") = "9"
    & skf18("4","3","3","8","3","1","1") = "7"
    & skf18("4","3","3","8","3","2","1") = "7"
    & skf18("4","3","3","8","3","3","1") = "7"
    & skf18("4","3","3","8","3","4","1") = "7"
    & skf18("4","3","3","8","3","5","1") = "7"
    & skf18("4","3","3","8","3","6","1") = "7"
    & skf18("4","3","3","8","3","7","1") = "7"
    & skf18("4","3","3","8","3","8","1") = "7"
    & skf18("4","3","3","8","3","9","1") = "8"
    & skf18("4","3","3","8","3","10","1") = "9"
    & skf18("4","3","3","8","4","1","1") = "7"
    & skf18("4","3","3","8","4","2","1") = "7"
    & skf18("4","3","3","8","4","3","1") = "7"
    & skf18("4","3","3","8","4","4","1") = "7"
    & skf18("4","3","3","8","4","5","1") = "7"
    & skf18("4","3","3","8","4","6","1") = "7"
    & skf18("4","3","3","8","4","7","1") = "7"
    & skf18("4","3","3","8","4","8","1") = "7"
    & skf18("4","3","3","8","4","9","1") = "8"
    & skf18("4","3","3","8","4","10","1") = "9"
    & skf18("4","3","3","8","5","1","1") = "7"
    & skf18("4","3","3","8","5","2","1") = "7"
    & skf18("4","3","3","8","5","3","1") = "7"
    & skf18("4","3","3","8","5","4","1") = "7"
    & skf18("4","3","3","8","5","5","1") = "7"
    & skf18("4","3","3","8","5","6","1") = "7"
    & skf18("4","3","3","8","5","7","1") = "7"
    & skf18("4","3","3","8","5","8","1") = "7"
    & skf18("4","3","3","8","5","9","1") = "8"
    & skf18("4","3","3","8","5","10","1") = "9"
    & skf18("4","3","3","8","6","1","1") = "7"
    & skf18("4","3","3","8","6","2","1") = "7"
    & skf18("4","3","3","8","6","3","1") = "7"
    & skf18("4","3","3","8","6","4","1") = "7"
    & skf18("4","3","3","8","6","5","1") = "7"
    & skf18("4","3","3","8","6","6","1") = "7"
    & skf18("4","3","3","8","6","7","1") = "7"
    & skf18("4","3","3","8","6","8","1") = "7"
    & skf18("4","3","3","8","6","9","1") = "8"
    & skf18("4","3","3","8","6","10","1") = "9"
    & skf18("4","3","3","8","7","1","1") = "7"
    & skf18("4","3","3","8","7","2","1") = "7"
    & skf18("4","3","3","8","7","3","1") = "7"
    & skf18("4","3","3","8","7","4","1") = "7"
    & skf18("4","3","3","8","7","5","1") = "7"
    & skf18("4","3","3","8","7","6","1") = "7"
    & skf18("4","3","3","8","7","7","1") = "7"
    & skf18("4","3","3","8","7","8","1") = "7"
    & skf18("4","3","3","8","7","9","1") = "8"
    & skf18("4","3","3","8","7","10","1") = "9"
    & skf18("4","3","3","8","8","1","1") = "7"
    & skf18("4","3","3","8","8","2","1") = "7"
    & skf18("4","3","3","8","8","3","1") = "7"
    & skf18("4","3","3","8","8","4","1") = "7"
    & skf18("4","3","3","8","8","5","1") = "7"
    & skf18("4","3","3","8","8","6","1") = "7"
    & skf18("4","3","3","8","8","7","1") = "7"
    & skf18("4","3","3","8","8","8","1") = "7"
    & skf18("4","3","3","8","8","9","1") = "8"
    & skf18("4","3","3","8","8","10","1") = "9"
    & skf18("4","3","3","8","9","1","1") = "8"
    & skf18("4","3","3","8","9","2","1") = "8"
    & skf18("4","3","3","8","9","3","1") = "8"
    & skf18("4","3","3","8","9","4","1") = "8"
    & skf18("4","3","3","8","9","5","1") = "8"
    & skf18("4","3","3","8","9","6","1") = "8"
    & skf18("4","3","3","8","9","7","1") = "8"
    & skf18("4","3","3","8","9","8","1") = "8"
    & skf18("4","3","3","8","9","9","1") = "8"
    & skf18("4","3","3","8","9","10","1") = "9"
    & skf18("4","3","3","8","10","1","1") = "9"
    & skf18("4","3","3","8","10","2","1") = "9"
    & skf18("4","3","3","8","10","3","1") = "9"
    & skf18("4","3","3","8","10","4","1") = "9"
    & skf18("4","3","3","8","10","5","1") = "9"
    & skf18("4","3","3","8","10","6","1") = "9"
    & skf18("4","3","3","8","10","7","1") = "9"
    & skf18("4","3","3","8","10","8","1") = "9"
    & skf18("4","3","3","8","10","9","1") = "9"
    & skf18("4","3","3","8","10","10","1") = "9"
    & skf18("4","3","3","9","1","1","1") = "8"
    & skf18("4","3","3","9","1","2","1") = "8"
    & skf18("4","3","3","9","1","3","1") = "8"
    & skf18("4","3","3","9","1","4","1") = "8"
    & skf18("4","3","3","9","1","5","1") = "8"
    & skf18("4","3","3","9","1","6","1") = "8"
    & skf18("4","3","3","9","1","7","1") = "8"
    & skf18("4","3","3","9","1","8","1") = "8"
    & skf18("4","3","3","9","1","9","1") = "8"
    & skf18("4","3","3","9","1","10","1") = "9"
    & skf18("4","3","3","9","2","1","1") = "8"
    & skf18("4","3","3","9","2","2","1") = "8"
    & skf18("4","3","3","9","2","3","1") = "8"
    & skf18("4","3","3","9","2","4","1") = "8"
    & skf18("4","3","3","9","2","5","1") = "8"
    & skf18("4","3","3","9","2","6","1") = "8"
    & skf18("4","3","3","9","2","7","1") = "8"
    & skf18("4","3","3","9","2","8","1") = "8"
    & skf18("4","3","3","9","2","9","1") = "8"
    & skf18("4","3","3","9","2","10","1") = "9"
    & skf18("4","3","3","9","3","1","1") = "8"
    & skf18("4","3","3","9","3","2","1") = "8"
    & skf18("4","3","3","9","3","3","1") = "8"
    & skf18("4","3","3","9","3","4","1") = "8"
    & skf18("4","3","3","9","3","5","1") = "8"
    & skf18("4","3","3","9","3","6","1") = "8"
    & skf18("4","3","3","9","3","7","1") = "8"
    & skf18("4","3","3","9","3","8","1") = "8"
    & skf18("4","3","3","9","3","9","1") = "8"
    & skf18("4","3","3","9","3","10","1") = "9"
    & skf18("4","3","3","9","4","1","1") = "8"
    & skf18("4","3","3","9","4","2","1") = "8"
    & skf18("4","3","3","9","4","3","1") = "8"
    & skf18("4","3","3","9","4","4","1") = "8"
    & skf18("4","3","3","9","4","5","1") = "8"
    & skf18("4","3","3","9","4","6","1") = "8"
    & skf18("4","3","3","9","4","7","1") = "8"
    & skf18("4","3","3","9","4","8","1") = "8"
    & skf18("4","3","3","9","4","9","1") = "8"
    & skf18("4","3","3","9","4","10","1") = "9"
    & skf18("4","3","3","9","5","1","1") = "8"
    & skf18("4","3","3","9","5","2","1") = "8"
    & skf18("4","3","3","9","5","3","1") = "8"
    & skf18("4","3","3","9","5","4","1") = "8"
    & skf18("4","3","3","9","5","5","1") = "8"
    & skf18("4","3","3","9","5","6","1") = "8"
    & skf18("4","3","3","9","5","7","1") = "8"
    & skf18("4","3","3","9","5","8","1") = "8"
    & skf18("4","3","3","9","5","9","1") = "8"
    & skf18("4","3","3","9","5","10","1") = "9"
    & skf18("4","3","3","9","6","1","1") = "8"
    & skf18("4","3","3","9","6","2","1") = "8"
    & skf18("4","3","3","9","6","3","1") = "8"
    & skf18("4","3","3","9","6","4","1") = "8"
    & skf18("4","3","3","9","6","5","1") = "8"
    & skf18("4","3","3","9","6","6","1") = "8"
    & skf18("4","3","3","9","6","7","1") = "8"
    & skf18("4","3","3","9","6","8","1") = "8"
    & skf18("4","3","3","9","6","9","1") = "8"
    & skf18("4","3","3","9","6","10","1") = "9"
    & skf18("4","3","3","9","7","1","1") = "8"
    & skf18("4","3","3","9","7","2","1") = "8"
    & skf18("4","3","3","9","7","3","1") = "8"
    & skf18("4","3","3","9","7","4","1") = "8"
    & skf18("4","3","3","9","7","5","1") = "8"
    & skf18("4","3","3","9","7","6","1") = "8"
    & skf18("4","3","3","9","7","7","1") = "8"
    & skf18("4","3","3","9","7","8","1") = "8"
    & skf18("4","3","3","9","7","9","1") = "8"
    & skf18("4","3","3","9","7","10","1") = "9"
    & skf18("4","3","3","9","8","1","1") = "8"
    & skf18("4","3","3","9","8","2","1") = "8"
    & skf18("4","3","3","9","8","3","1") = "8"
    & skf18("4","3","3","9","8","4","1") = "8"
    & skf18("4","3","3","9","8","5","1") = "8"
    & skf18("4","3","3","9","8","6","1") = "8"
    & skf18("4","3","3","9","8","7","1") = "8"
    & skf18("4","3","3","9","8","8","1") = "8"
    & skf18("4","3","3","9","8","9","1") = "8"
    & skf18("4","3","3","9","8","10","1") = "9"
    & skf18("4","3","3","9","9","1","1") = "8"
    & skf18("4","3","3","9","9","2","1") = "8"
    & skf18("4","3","3","9","9","3","1") = "8"
    & skf18("4","3","3","9","9","4","1") = "8"
    & skf18("4","3","3","9","9","5","1") = "8"
    & skf18("4","3","3","9","9","6","1") = "8"
    & skf18("4","3","3","9","9","7","1") = "8"
    & skf18("4","3","3","9","9","8","1") = "8"
    & skf18("4","3","3","9","9","9","1") = "8"
    & skf18("4","3","3","9","9","10","1") = "9"
    & skf18("4","3","3","9","10","1","1") = "9"
    & skf18("4","3","3","9","10","2","1") = "9"
    & skf18("4","3","3","9","10","3","1") = "9"
    & skf18("4","3","3","9","10","4","1") = "9"
    & skf18("4","3","3","9","10","5","1") = "9"
    & skf18("4","3","3","9","10","6","1") = "9"
    & skf18("4","3","3","9","10","7","1") = "9"
    & skf18("4","3","3","9","10","8","1") = "9"
    & skf18("4","3","3","9","10","9","1") = "9"
    & skf18("4","3","3","9","10","10","1") = "9"
    & skf18("4","3","3","10","1","1","1") = "9"
    & skf18("4","3","3","10","1","2","1") = "9"
    & skf18("4","3","3","10","1","3","1") = "9"
    & skf18("4","3","3","10","1","4","1") = "9"
    & skf18("4","3","3","10","1","5","1") = "9"
    & skf18("4","3","3","10","1","6","1") = "9"
    & skf18("4","3","3","10","1","7","1") = "9"
    & skf18("4","3","3","10","1","8","1") = "9"
    & skf18("4","3","3","10","1","9","1") = "9"
    & skf18("4","3","3","10","1","10","1") = "9"
    & skf18("4","3","3","10","2","1","1") = "9"
    & skf18("4","3","3","10","2","2","1") = "9"
    & skf18("4","3","3","10","2","3","1") = "9"
    & skf18("4","3","3","10","2","4","1") = "9"
    & skf18("4","3","3","10","2","5","1") = "9"
    & skf18("4","3","3","10","2","6","1") = "9"
    & skf18("4","3","3","10","2","7","1") = "9"
    & skf18("4","3","3","10","2","8","1") = "9"
    & skf18("4","3","3","10","2","9","1") = "9"
    & skf18("4","3","3","10","2","10","1") = "9"
    & skf18("4","3","3","10","3","1","1") = "9"
    & skf18("4","3","3","10","3","2","1") = "9"
    & skf18("4","3","3","10","3","3","1") = "9"
    & skf18("4","3","3","10","3","4","1") = "9"
    & skf18("4","3","3","10","3","5","1") = "9"
    & skf18("4","3","3","10","3","6","1") = "9"
    & skf18("4","3","3","10","3","7","1") = "9"
    & skf18("4","3","3","10","3","8","1") = "9"
    & skf18("4","3","3","10","3","9","1") = "9"
    & skf18("4","3","3","10","3","10","1") = "9"
    & skf18("4","3","3","10","4","1","1") = "9"
    & skf18("4","3","3","10","4","2","1") = "9"
    & skf18("4","3","3","10","4","3","1") = "9"
    & skf18("4","3","3","10","4","4","1") = "9"
    & skf18("4","3","3","10","4","5","1") = "9"
    & skf18("4","3","3","10","4","6","1") = "9"
    & skf18("4","3","3","10","4","7","1") = "9"
    & skf18("4","3","3","10","4","8","1") = "9"
    & skf18("4","3","3","10","4","9","1") = "9"
    & skf18("4","3","3","10","4","10","1") = "9"
    & skf18("4","3","3","10","5","1","1") = "9"
    & skf18("4","3","3","10","5","2","1") = "9"
    & skf18("4","3","3","10","5","3","1") = "9"
    & skf18("4","3","3","10","5","4","1") = "9"
    & skf18("4","3","3","10","5","5","1") = "9"
    & skf18("4","3","3","10","5","6","1") = "9"
    & skf18("4","3","3","10","5","7","1") = "9"
    & skf18("4","3","3","10","5","8","1") = "9"
    & skf18("4","3","3","10","5","9","1") = "9"
    & skf18("4","3","3","10","5","10","1") = "9"
    & skf18("4","3","3","10","6","1","1") = "9"
    & skf18("4","3","3","10","6","2","1") = "9"
    & skf18("4","3","3","10","6","3","1") = "9"
    & skf18("4","3","3","10","6","4","1") = "9"
    & skf18("4","3","3","10","6","5","1") = "9"
    & skf18("4","3","3","10","6","6","1") = "9"
    & skf18("4","3","3","10","6","7","1") = "9"
    & skf18("4","3","3","10","6","8","1") = "9"
    & skf18("4","3","3","10","6","9","1") = "9"
    & skf18("4","3","3","10","6","10","1") = "9"
    & skf18("4","3","3","10","7","1","1") = "9"
    & skf18("4","3","3","10","7","2","1") = "9"
    & skf18("4","3","3","10","7","3","1") = "9"
    & skf18("4","3","3","10","7","4","1") = "9"
    & skf18("4","3","3","10","7","5","1") = "9"
    & skf18("4","3","3","10","7","6","1") = "9"
    & skf18("4","3","3","10","7","7","1") = "9"
    & skf18("4","3","3","10","7","8","1") = "9"
    & skf18("4","3","3","10","7","9","1") = "9"
    & skf18("4","3","3","10","7","10","1") = "9"
    & skf18("4","3","3","10","8","1","1") = "9"
    & skf18("4","3","3","10","8","2","1") = "9"
    & skf18("4","3","3","10","8","3","1") = "9"
    & skf18("4","3","3","10","8","4","1") = "9"
    & skf18("4","3","3","10","8","5","1") = "9"
    & skf18("4","3","3","10","8","6","1") = "9"
    & skf18("4","3","3","10","8","7","1") = "9"
    & skf18("4","3","3","10","8","8","1") = "9"
    & skf18("4","3","3","10","8","9","1") = "9"
    & skf18("4","3","3","10","8","10","1") = "9"
    & skf18("4","3","3","10","9","1","1") = "9"
    & skf18("4","3","3","10","9","2","1") = "9"
    & skf18("4","3","3","10","9","3","1") = "9"
    & skf18("4","3","3","10","9","4","1") = "9"
    & skf18("4","3","3","10","9","5","1") = "9"
    & skf18("4","3","3","10","9","6","1") = "9"
    & skf18("4","3","3","10","9","7","1") = "9"
    & skf18("4","3","3","10","9","8","1") = "9"
    & skf18("4","3","3","10","9","9","1") = "9"
    & skf18("4","3","3","10","9","10","1") = "9"
    & skf18("4","3","3","10","10","1","1") = "9"
    & skf18("4","3","3","10","10","2","1") = "9"
    & skf18("4","3","3","10","10","3","1") = "9"
    & skf18("4","3","3","10","10","4","1") = "9"
    & skf18("4","3","3","10","10","5","1") = "9"
    & skf18("4","3","3","10","10","6","1") = "9"
    & skf18("4","3","3","10","10","7","1") = "9"
    & skf18("4","3","3","10","10","8","1") = "9"
    & skf18("4","3","3","10","10","9","1") = "9"
    & skf18("4","3","3","10","10","10","1") = "9"
    & skf18("4","3","4","1","1","1","1") = "3"
    & skf18("4","3","4","1","1","2","1") = "3"
    & skf18("4","3","4","1","1","3","1") = "3"
    & skf18("4","3","4","1","1","4","1") = "3"
    & skf18("4","3","4","1","1","5","1") = "4"
    & skf18("4","3","4","1","1","6","1") = "5"
    & skf18("4","3","4","1","1","7","1") = "6"
    & skf18("4","3","4","1","1","8","1") = "7"
    & skf18("4","3","4","1","1","9","1") = "8"
    & skf18("4","3","4","1","1","10","1") = "9"
    & skf18("4","3","4","1","2","1","1") = "3"
    & skf18("4","3","4","1","2","2","1") = "3"
    & skf18("4","3","4","1","2","3","1") = "3"
    & skf18("4","3","4","1","2","4","1") = "3"
    & skf18("4","3","4","1","2","5","1") = "4"
    & skf18("4","3","4","1","2","6","1") = "5"
    & skf18("4","3","4","1","2","7","1") = "6"
    & skf18("4","3","4","1","2","8","1") = "7"
    & skf18("4","3","4","1","2","9","1") = "8"
    & skf18("4","3","4","1","2","10","1") = "9"
    & skf18("4","3","4","1","3","1","1") = "3"
    & skf18("4","3","4","1","3","2","1") = "3"
    & skf18("4","3","4","1","3","3","1") = "3"
    & skf18("4","3","4","1","3","4","1") = "3"
    & skf18("4","3","4","1","3","5","1") = "4"
    & skf18("4","3","4","1","3","6","1") = "5"
    & skf18("4","3","4","1","3","7","1") = "6"
    & skf18("4","3","4","1","3","8","1") = "7"
    & skf18("4","3","4","1","3","9","1") = "8"
    & skf18("4","3","4","1","3","10","1") = "9"
    & skf18("4","3","4","1","4","1","1") = "3"
    & skf18("4","3","4","1","4","2","1") = "3"
    & skf18("4","3","4","1","4","3","1") = "3"
    & skf18("4","3","4","1","4","4","1") = "3"
    & skf18("4","3","4","1","4","5","1") = "4"
    & skf18("4","3","4","1","4","6","1") = "5"
    & skf18("4","3","4","1","4","7","1") = "6"
    & skf18("4","3","4","1","4","8","1") = "7"
    & skf18("4","3","4","1","4","9","1") = "8"
    & skf18("4","3","4","1","4","10","1") = "9"
    & skf18("4","3","4","1","5","1","1") = "4"
    & skf18("4","3","4","1","5","2","1") = "4"
    & skf18("4","3","4","1","5","3","1") = "4"
    & skf18("4","3","4","1","5","4","1") = "4"
    & skf18("4","3","4","1","5","5","1") = "4"
    & skf18("4","3","4","1","5","6","1") = "5"
    & skf18("4","3","4","1","5","7","1") = "6"
    & skf18("4","3","4","1","5","8","1") = "7"
    & skf18("4","3","4","1","5","9","1") = "8"
    & skf18("4","3","4","1","5","10","1") = "9"
    & skf18("4","3","4","1","6","1","1") = "5"
    & skf18("4","3","4","1","6","2","1") = "5"
    & skf18("4","3","4","1","6","3","1") = "5"
    & skf18("4","3","4","1","6","4","1") = "5"
    & skf18("4","3","4","1","6","5","1") = "5"
    & skf18("4","3","4","1","6","6","1") = "5"
    & skf18("4","3","4","1","6","7","1") = "6"
    & skf18("4","3","4","1","6","8","1") = "7"
    & skf18("4","3","4","1","6","9","1") = "8"
    & skf18("4","3","4","1","6","10","1") = "9"
    & skf18("4","3","4","1","7","1","1") = "6"
    & skf18("4","3","4","1","7","2","1") = "6"
    & skf18("4","3","4","1","7","3","1") = "6"
    & skf18("4","3","4","1","7","4","1") = "6"
    & skf18("4","3","4","1","7","5","1") = "6"
    & skf18("4","3","4","1","7","6","1") = "6"
    & skf18("4","3","4","1","7","7","1") = "6"
    & skf18("4","3","4","1","7","8","1") = "7"
    & skf18("4","3","4","1","7","9","1") = "8"
    & skf18("4","3","4","1","7","10","1") = "9"
    & skf18("4","3","4","1","8","1","1") = "7"
    & skf18("4","3","4","1","8","2","1") = "7"
    & skf18("4","3","4","1","8","3","1") = "7"
    & skf18("4","3","4","1","8","4","1") = "7"
    & skf18("4","3","4","1","8","5","1") = "7"
    & skf18("4","3","4","1","8","6","1") = "7"
    & skf18("4","3","4","1","8","7","1") = "7"
    & skf18("4","3","4","1","8","8","1") = "7"
    & skf18("4","3","4","1","8","9","1") = "8"
    & skf18("4","3","4","1","8","10","1") = "9"
    & skf18("4","3","4","1","9","1","1") = "8"
    & skf18("4","3","4","1","9","2","1") = "8"
    & skf18("4","3","4","1","9","3","1") = "8"
    & skf18("4","3","4","1","9","4","1") = "8"
    & skf18("4","3","4","1","9","5","1") = "8"
    & skf18("4","3","4","1","9","6","1") = "8"
    & skf18("4","3","4","1","9","7","1") = "8"
    & skf18("4","3","4","1","9","8","1") = "8"
    & skf18("4","3","4","1","9","9","1") = "8"
    & skf18("4","3","4","1","9","10","1") = "9"
    & skf18("4","3","4","1","10","1","1") = "9"
    & skf18("4","3","4","1","10","2","1") = "9"
    & skf18("4","3","4","1","10","3","1") = "9"
    & skf18("4","3","4","1","10","4","1") = "9"
    & skf18("4","3","4","1","10","5","1") = "9"
    & skf18("4","3","4","1","10","6","1") = "9"
    & skf18("4","3","4","1","10","7","1") = "9"
    & skf18("4","3","4","1","10","8","1") = "9"
    & skf18("4","3","4","1","10","9","1") = "9"
    & skf18("4","3","4","1","10","10","1") = "9"
    & skf18("4","3","4","2","1","1","1") = "3"
    & skf18("4","3","4","2","1","2","1") = "3"
    & skf18("4","3","4","2","1","3","1") = "3"
    & skf18("4","3","4","2","1","4","1") = "3"
    & skf18("4","3","4","2","1","5","1") = "4"
    & skf18("4","3","4","2","1","6","1") = "5"
    & skf18("4","3","4","2","1","7","1") = "6"
    & skf18("4","3","4","2","1","8","1") = "7"
    & skf18("4","3","4","2","1","9","1") = "8"
    & skf18("4","3","4","2","1","10","1") = "9"
    & skf18("4","3","4","2","2","1","1") = "3"
    & skf18("4","3","4","2","2","2","1") = "3"
    & skf18("4","3","4","2","2","3","1") = "3"
    & skf18("4","3","4","2","2","4","1") = "3"
    & skf18("4","3","4","2","2","5","1") = "4"
    & skf18("4","3","4","2","2","6","1") = "5"
    & skf18("4","3","4","2","2","7","1") = "6"
    & skf18("4","3","4","2","2","8","1") = "7"
    & skf18("4","3","4","2","2","9","1") = "8"
    & skf18("4","3","4","2","2","10","1") = "9"
    & skf18("4","3","4","2","3","1","1") = "3"
    & skf18("4","3","4","2","3","2","1") = "3"
    & skf18("4","3","4","2","3","3","1") = "3"
    & skf18("4","3","4","2","3","4","1") = "3"
    & skf18("4","3","4","2","3","5","1") = "4"
    & skf18("4","3","4","2","3","6","1") = "5"
    & skf18("4","3","4","2","3","7","1") = "6"
    & skf18("4","3","4","2","3","8","1") = "7"
    & skf18("4","3","4","2","3","9","1") = "8"
    & skf18("4","3","4","2","3","10","1") = "9"
    & skf18("4","3","4","2","4","1","1") = "3"
    & skf18("4","3","4","2","4","2","1") = "3"
    & skf18("4","3","4","2","4","3","1") = "3"
    & skf18("4","3","4","2","4","4","1") = "3"
    & skf18("4","3","4","2","4","5","1") = "4"
    & skf18("4","3","4","2","4","6","1") = "5"
    & skf18("4","3","4","2","4","7","1") = "6"
    & skf18("4","3","4","2","4","8","1") = "7"
    & skf18("4","3","4","2","4","9","1") = "8"
    & skf18("4","3","4","2","4","10","1") = "9"
    & skf18("4","3","4","2","5","1","1") = "4"
    & skf18("4","3","4","2","5","2","1") = "4"
    & skf18("4","3","4","2","5","3","1") = "4"
    & skf18("4","3","4","2","5","4","1") = "4"
    & skf18("4","3","4","2","5","5","1") = "4"
    & skf18("4","3","4","2","5","6","1") = "5"
    & skf18("4","3","4","2","5","7","1") = "6"
    & skf18("4","3","4","2","5","8","1") = "7"
    & skf18("4","3","4","2","5","9","1") = "8"
    & skf18("4","3","4","2","5","10","1") = "9"
    & skf18("4","3","4","2","6","1","1") = "5"
    & skf18("4","3","4","2","6","2","1") = "5"
    & skf18("4","3","4","2","6","3","1") = "5"
    & skf18("4","3","4","2","6","4","1") = "5"
    & skf18("4","3","4","2","6","5","1") = "5"
    & skf18("4","3","4","2","6","6","1") = "5"
    & skf18("4","3","4","2","6","7","1") = "6"
    & skf18("4","3","4","2","6","8","1") = "7"
    & skf18("4","3","4","2","6","9","1") = "8"
    & skf18("4","3","4","2","6","10","1") = "9"
    & skf18("4","3","4","2","7","1","1") = "6"
    & skf18("4","3","4","2","7","2","1") = "6"
    & skf18("4","3","4","2","7","3","1") = "6"
    & skf18("4","3","4","2","7","4","1") = "6"
    & skf18("4","3","4","2","7","5","1") = "6"
    & skf18("4","3","4","2","7","6","1") = "6"
    & skf18("4","3","4","2","7","7","1") = "6"
    & skf18("4","3","4","2","7","8","1") = "7"
    & skf18("4","3","4","2","7","9","1") = "8"
    & skf18("4","3","4","2","7","10","1") = "9"
    & skf18("4","3","4","2","8","1","1") = "7"
    & skf18("4","3","4","2","8","2","1") = "7"
    & skf18("4","3","4","2","8","3","1") = "7"
    & skf18("4","3","4","2","8","4","1") = "7"
    & skf18("4","3","4","2","8","5","1") = "7"
    & skf18("4","3","4","2","8","6","1") = "7"
    & skf18("4","3","4","2","8","7","1") = "7"
    & skf18("4","3","4","2","8","8","1") = "7"
    & skf18("4","3","4","2","8","9","1") = "8"
    & skf18("4","3","4","2","8","10","1") = "9"
    & skf18("4","3","4","2","9","1","1") = "8"
    & skf18("4","3","4","2","9","2","1") = "8"
    & skf18("4","3","4","2","9","3","1") = "8"
    & skf18("4","3","4","2","9","4","1") = "8"
    & skf18("4","3","4","2","9","5","1") = "8"
    & skf18("4","3","4","2","9","6","1") = "8"
    & skf18("4","3","4","2","9","7","1") = "8"
    & skf18("4","3","4","2","9","8","1") = "8"
    & skf18("4","3","4","2","9","9","1") = "8"
    & skf18("4","3","4","2","9","10","1") = "9"
    & skf18("4","3","4","2","10","1","1") = "9"
    & skf18("4","3","4","2","10","2","1") = "9"
    & skf18("4","3","4","2","10","3","1") = "9"
    & skf18("4","3","4","2","10","4","1") = "9"
    & skf18("4","3","4","2","10","5","1") = "9"
    & skf18("4","3","4","2","10","6","1") = "9"
    & skf18("4","3","4","2","10","7","1") = "9"
    & skf18("4","3","4","2","10","8","1") = "9"
    & skf18("4","3","4","2","10","9","1") = "9"
    & skf18("4","3","4","2","10","10","1") = "9"
    & skf18("4","3","4","3","1","1","1") = "3"
    & skf18("4","3","4","3","1","2","1") = "3"
    & skf18("4","3","4","3","1","3","1") = "3"
    & skf18("4","3","4","3","1","4","1") = "3"
    & skf18("4","3","4","3","1","5","1") = "4"
    & skf18("4","3","4","3","1","6","1") = "5"
    & skf18("4","3","4","3","1","7","1") = "6"
    & skf18("4","3","4","3","1","8","1") = "7"
    & skf18("4","3","4","3","1","9","1") = "8"
    & skf18("4","3","4","3","1","10","1") = "9"
    & skf18("4","3","4","3","2","1","1") = "3"
    & skf18("4","3","4","3","2","2","1") = "3"
    & skf18("4","3","4","3","2","3","1") = "3"
    & skf18("4","3","4","3","2","4","1") = "3"
    & skf18("4","3","4","3","2","5","1") = "4"
    & skf18("4","3","4","3","2","6","1") = "5"
    & skf18("4","3","4","3","2","7","1") = "6"
    & skf18("4","3","4","3","2","8","1") = "7"
    & skf18("4","3","4","3","2","9","1") = "8"
    & skf18("4","3","4","3","2","10","1") = "9"
    & skf18("4","3","4","3","3","1","1") = "3"
    & skf18("4","3","4","3","3","2","1") = "3"
    & skf18("4","3","4","3","3","3","1") = "3"
    & skf18("4","3","4","3","3","4","1") = "3"
    & skf18("4","3","4","3","3","5","1") = "4"
    & skf18("4","3","4","3","3","6","1") = "5"
    & skf18("4","3","4","3","3","7","1") = "6"
    & skf18("4","3","4","3","3","8","1") = "7"
    & skf18("4","3","4","3","3","9","1") = "8"
    & skf18("4","3","4","3","3","10","1") = "9"
    & skf18("4","3","4","3","4","1","1") = "3"
    & skf18("4","3","4","3","4","2","1") = "3"
    & skf18("4","3","4","3","4","3","1") = "3"
    & skf18("4","3","4","3","4","4","1") = "3"
    & skf18("4","3","4","3","4","5","1") = "4"
    & skf18("4","3","4","3","4","6","1") = "5"
    & skf18("4","3","4","3","4","7","1") = "6"
    & skf18("4","3","4","3","4","8","1") = "7"
    & skf18("4","3","4","3","4","9","1") = "8"
    & skf18("4","3","4","3","4","10","1") = "9"
    & skf18("4","3","4","3","5","1","1") = "4"
    & skf18("4","3","4","3","5","2","1") = "4"
    & skf18("4","3","4","3","5","3","1") = "4"
    & skf18("4","3","4","3","5","4","1") = "4"
    & skf18("4","3","4","3","5","5","1") = "4"
    & skf18("4","3","4","3","5","6","1") = "5"
    & skf18("4","3","4","3","5","7","1") = "6"
    & skf18("4","3","4","3","5","8","1") = "7"
    & skf18("4","3","4","3","5","9","1") = "8"
    & skf18("4","3","4","3","5","10","1") = "9"
    & skf18("4","3","4","3","6","1","1") = "5"
    & skf18("4","3","4","3","6","2","1") = "5"
    & skf18("4","3","4","3","6","3","1") = "5"
    & skf18("4","3","4","3","6","4","1") = "5"
    & skf18("4","3","4","3","6","5","1") = "5"
    & skf18("4","3","4","3","6","6","1") = "5"
    & skf18("4","3","4","3","6","7","1") = "6"
    & skf18("4","3","4","3","6","8","1") = "7"
    & skf18("4","3","4","3","6","9","1") = "8"
    & skf18("4","3","4","3","6","10","1") = "9"
    & skf18("4","3","4","3","7","1","1") = "6"
    & skf18("4","3","4","3","7","2","1") = "6"
    & skf18("4","3","4","3","7","3","1") = "6"
    & skf18("4","3","4","3","7","4","1") = "6"
    & skf18("4","3","4","3","7","5","1") = "6"
    & skf18("4","3","4","3","7","6","1") = "6"
    & skf18("4","3","4","3","7","7","1") = "6"
    & skf18("4","3","4","3","7","8","1") = "7"
    & skf18("4","3","4","3","7","9","1") = "8"
    & skf18("4","3","4","3","7","10","1") = "9"
    & skf18("4","3","4","3","8","1","1") = "7"
    & skf18("4","3","4","3","8","2","1") = "7"
    & skf18("4","3","4","3","8","3","1") = "7"
    & skf18("4","3","4","3","8","4","1") = "7"
    & skf18("4","3","4","3","8","5","1") = "7"
    & skf18("4","3","4","3","8","6","1") = "7"
    & skf18("4","3","4","3","8","7","1") = "7"
    & skf18("4","3","4","3","8","8","1") = "7"
    & skf18("4","3","4","3","8","9","1") = "8"
    & skf18("4","3","4","3","8","10","1") = "9"
    & skf18("4","3","4","3","9","1","1") = "8"
    & skf18("4","3","4","3","9","2","1") = "8"
    & skf18("4","3","4","3","9","3","1") = "8"
    & skf18("4","3","4","3","9","4","1") = "8"
    & skf18("4","3","4","3","9","5","1") = "8"
    & skf18("4","3","4","3","9","6","1") = "8"
    & skf18("4","3","4","3","9","7","1") = "8"
    & skf18("4","3","4","3","9","8","1") = "8"
    & skf18("4","3","4","3","9","9","1") = "8"
    & skf18("4","3","4","3","9","10","1") = "9"
    & skf18("4","3","4","3","10","1","1") = "9"
    & skf18("4","3","4","3","10","2","1") = "9"
    & skf18("4","3","4","3","10","3","1") = "9"
    & skf18("4","3","4","3","10","4","1") = "9"
    & skf18("4","3","4","3","10","5","1") = "9"
    & skf18("4","3","4","3","10","6","1") = "9"
    & skf18("4","3","4","3","10","7","1") = "9"
    & skf18("4","3","4","3","10","8","1") = "9"
    & skf18("4","3","4","3","10","9","1") = "9"
    & skf18("4","3","4","3","10","10","1") = "9"
    & skf18("4","3","4","4","1","1","1") = "3"
    & skf18("4","3","4","4","1","2","1") = "3"
    & skf18("4","3","4","4","1","3","1") = "3"
    & skf18("4","3","4","4","1","4","1") = "3"
    & skf18("4","3","4","4","1","5","1") = "4"
    & skf18("4","3","4","4","1","6","1") = "5"
    & skf18("4","3","4","4","1","7","1") = "6"
    & skf18("4","3","4","4","1","8","1") = "7"
    & skf18("4","3","4","4","1","9","1") = "8"
    & skf18("4","3","4","4","1","10","1") = "9"
    & skf18("4","3","4","4","2","1","1") = "3"
    & skf18("4","3","4","4","2","2","1") = "3"
    & skf18("4","3","4","4","2","3","1") = "3"
    & skf18("4","3","4","4","2","4","1") = "3"
    & skf18("4","3","4","4","2","5","1") = "4"
    & skf18("4","3","4","4","2","6","1") = "5"
    & skf18("4","3","4","4","2","7","1") = "6"
    & skf18("4","3","4","4","2","8","1") = "7"
    & skf18("4","3","4","4","2","9","1") = "8"
    & skf18("4","3","4","4","2","10","1") = "9"
    & skf18("4","3","4","4","3","1","1") = "3"
    & skf18("4","3","4","4","3","2","1") = "3"
    & skf18("4","3","4","4","3","3","1") = "3"
    & skf18("4","3","4","4","3","4","1") = "3"
    & skf18("4","3","4","4","3","5","1") = "4"
    & skf18("4","3","4","4","3","6","1") = "5"
    & skf18("4","3","4","4","3","7","1") = "6"
    & skf18("4","3","4","4","3","8","1") = "7"
    & skf18("4","3","4","4","3","9","1") = "8"
    & skf18("4","3","4","4","3","10","1") = "9"
    & skf18("4","3","4","4","4","1","1") = "3"
    & skf18("4","3","4","4","4","2","1") = "3"
    & skf18("4","3","4","4","4","3","1") = "3"
    & skf18("4","3","4","4","4","4","1") = "3"
    & skf18("4","3","4","4","4","5","1") = "4"
    & skf18("4","3","4","4","4","6","1") = "5"
    & skf18("4","3","4","4","4","7","1") = "6"
    & skf18("4","3","4","4","4","8","1") = "7"
    & skf18("4","3","4","4","4","9","1") = "8"
    & skf18("4","3","4","4","4","10","1") = "9"
    & skf18("4","3","4","4","5","1","1") = "4"
    & skf18("4","3","4","4","5","2","1") = "4"
    & skf18("4","3","4","4","5","3","1") = "4"
    & skf18("4","3","4","4","5","4","1") = "4"
    & skf18("4","3","4","4","5","5","1") = "4"
    & skf18("4","3","4","4","5","6","1") = "5"
    & skf18("4","3","4","4","5","7","1") = "6"
    & skf18("4","3","4","4","5","8","1") = "7"
    & skf18("4","3","4","4","5","9","1") = "8"
    & skf18("4","3","4","4","5","10","1") = "9"
    & skf18("4","3","4","4","6","1","1") = "5"
    & skf18("4","3","4","4","6","2","1") = "5"
    & skf18("4","3","4","4","6","3","1") = "5"
    & skf18("4","3","4","4","6","4","1") = "5"
    & skf18("4","3","4","4","6","5","1") = "5"
    & skf18("4","3","4","4","6","6","1") = "5"
    & skf18("4","3","4","4","6","7","1") = "6"
    & skf18("4","3","4","4","6","8","1") = "7"
    & skf18("4","3","4","4","6","9","1") = "8"
    & skf18("4","3","4","4","6","10","1") = "9"
    & skf18("4","3","4","4","7","1","1") = "6"
    & skf18("4","3","4","4","7","2","1") = "6"
    & skf18("4","3","4","4","7","3","1") = "6"
    & skf18("4","3","4","4","7","4","1") = "6"
    & skf18("4","3","4","4","7","5","1") = "6"
    & skf18("4","3","4","4","7","6","1") = "6"
    & skf18("4","3","4","4","7","7","1") = "6"
    & skf18("4","3","4","4","7","8","1") = "7"
    & skf18("4","3","4","4","7","9","1") = "8"
    & skf18("4","3","4","4","7","10","1") = "9"
    & skf18("4","3","4","4","8","1","1") = "7"
    & skf18("4","3","4","4","8","2","1") = "7"
    & skf18("4","3","4","4","8","3","1") = "7"
    & skf18("4","3","4","4","8","4","1") = "7"
    & skf18("4","3","4","4","8","5","1") = "7"
    & skf18("4","3","4","4","8","6","1") = "7"
    & skf18("4","3","4","4","8","7","1") = "7"
    & skf18("4","3","4","4","8","8","1") = "7"
    & skf18("4","3","4","4","8","9","1") = "8"
    & skf18("4","3","4","4","8","10","1") = "9"
    & skf18("4","3","4","4","9","1","1") = "8"
    & skf18("4","3","4","4","9","2","1") = "8"
    & skf18("4","3","4","4","9","3","1") = "8"
    & skf18("4","3","4","4","9","4","1") = "8"
    & skf18("4","3","4","4","9","5","1") = "8"
    & skf18("4","3","4","4","9","6","1") = "8"
    & skf18("4","3","4","4","9","7","1") = "8"
    & skf18("4","3","4","4","9","8","1") = "8"
    & skf18("4","3","4","4","9","9","1") = "8"
    & skf18("4","3","4","4","9","10","1") = "9"
    & skf18("4","3","4","4","10","1","1") = "9"
    & skf18("4","3","4","4","10","2","1") = "9"
    & skf18("4","3","4","4","10","3","1") = "9"
    & skf18("4","3","4","4","10","4","1") = "9"
    & skf18("4","3","4","4","10","5","1") = "9"
    & skf18("4","3","4","4","10","6","1") = "9"
    & skf18("4","3","4","4","10","7","1") = "9"
    & skf18("4","3","4","4","10","8","1") = "9"
    & skf18("4","3","4","4","10","9","1") = "9"
    & skf18("4","3","4","4","10","10","1") = "9"
    & skf18("4","3","4","5","1","1","1") = "4"
    & skf18("4","3","4","5","1","2","1") = "4"
    & skf18("4","3","4","5","1","3","1") = "4"
    & skf18("4","3","4","5","1","4","1") = "4"
    & skf18("4","3","4","5","1","5","1") = "4"
    & skf18("4","3","4","5","1","6","1") = "5"
    & skf18("4","3","4","5","1","7","1") = "6"
    & skf18("4","3","4","5","1","8","1") = "7"
    & skf18("4","3","4","5","1","9","1") = "8"
    & skf18("4","3","4","5","1","10","1") = "9"
    & skf18("4","3","4","5","2","1","1") = "4"
    & skf18("4","3","4","5","2","2","1") = "4"
    & skf18("4","3","4","5","2","3","1") = "4"
    & skf18("4","3","4","5","2","4","1") = "4"
    & skf18("4","3","4","5","2","5","1") = "4"
    & skf18("4","3","4","5","2","6","1") = "5"
    & skf18("4","3","4","5","2","7","1") = "6"
    & skf18("4","3","4","5","2","8","1") = "7"
    & skf18("4","3","4","5","2","9","1") = "8"
    & skf18("4","3","4","5","2","10","1") = "9"
    & skf18("4","3","4","5","3","1","1") = "4"
    & skf18("4","3","4","5","3","2","1") = "4"
    & skf18("4","3","4","5","3","3","1") = "4"
    & skf18("4","3","4","5","3","4","1") = "4"
    & skf18("4","3","4","5","3","5","1") = "4"
    & skf18("4","3","4","5","3","6","1") = "5"
    & skf18("4","3","4","5","3","7","1") = "6"
    & skf18("4","3","4","5","3","8","1") = "7"
    & skf18("4","3","4","5","3","9","1") = "8"
    & skf18("4","3","4","5","3","10","1") = "9"
    & skf18("4","3","4","5","4","1","1") = "4"
    & skf18("4","3","4","5","4","2","1") = "4"
    & skf18("4","3","4","5","4","3","1") = "4"
    & skf18("4","3","4","5","4","4","1") = "4"
    & skf18("4","3","4","5","4","5","1") = "4"
    & skf18("4","3","4","5","4","6","1") = "5"
    & skf18("4","3","4","5","4","7","1") = "6"
    & skf18("4","3","4","5","4","8","1") = "7"
    & skf18("4","3","4","5","4","9","1") = "8"
    & skf18("4","3","4","5","4","10","1") = "9"
    & skf18("4","3","4","5","5","1","1") = "4"
    & skf18("4","3","4","5","5","2","1") = "4"
    & skf18("4","3","4","5","5","3","1") = "4"
    & skf18("4","3","4","5","5","4","1") = "4"
    & skf18("4","3","4","5","5","5","1") = "4"
    & skf18("4","3","4","5","5","6","1") = "5"
    & skf18("4","3","4","5","5","7","1") = "6"
    & skf18("4","3","4","5","5","8","1") = "7"
    & skf18("4","3","4","5","5","9","1") = "8"
    & skf18("4","3","4","5","5","10","1") = "9"
    & skf18("4","3","4","5","6","1","1") = "5"
    & skf18("4","3","4","5","6","2","1") = "5"
    & skf18("4","3","4","5","6","3","1") = "5"
    & skf18("4","3","4","5","6","4","1") = "5"
    & skf18("4","3","4","5","6","5","1") = "5"
    & skf18("4","3","4","5","6","6","1") = "5"
    & skf18("4","3","4","5","6","7","1") = "6"
    & skf18("4","3","4","5","6","8","1") = "7"
    & skf18("4","3","4","5","6","9","1") = "8"
    & skf18("4","3","4","5","6","10","1") = "9"
    & skf18("4","3","4","5","7","1","1") = "6"
    & skf18("4","3","4","5","7","2","1") = "6"
    & skf18("4","3","4","5","7","3","1") = "6"
    & skf18("4","3","4","5","7","4","1") = "6"
    & skf18("4","3","4","5","7","5","1") = "6"
    & skf18("4","3","4","5","7","6","1") = "6"
    & skf18("4","3","4","5","7","7","1") = "6"
    & skf18("4","3","4","5","7","8","1") = "7"
    & skf18("4","3","4","5","7","9","1") = "8"
    & skf18("4","3","4","5","7","10","1") = "9"
    & skf18("4","3","4","5","8","1","1") = "7"
    & skf18("4","3","4","5","8","2","1") = "7"
    & skf18("4","3","4","5","8","3","1") = "7"
    & skf18("4","3","4","5","8","4","1") = "7"
    & skf18("4","3","4","5","8","5","1") = "7"
    & skf18("4","3","4","5","8","6","1") = "7"
    & skf18("4","3","4","5","8","7","1") = "7"
    & skf18("4","3","4","5","8","8","1") = "7"
    & skf18("4","3","4","5","8","9","1") = "8"
    & skf18("4","3","4","5","8","10","1") = "9"
    & skf18("4","3","4","5","9","1","1") = "8"
    & skf18("4","3","4","5","9","2","1") = "8"
    & skf18("4","3","4","5","9","3","1") = "8"
    & skf18("4","3","4","5","9","4","1") = "8"
    & skf18("4","3","4","5","9","5","1") = "8"
    & skf18("4","3","4","5","9","6","1") = "8"
    & skf18("4","3","4","5","9","7","1") = "8"
    & skf18("4","3","4","5","9","8","1") = "8"
    & skf18("4","3","4","5","9","9","1") = "8"
    & skf18("4","3","4","5","9","10","1") = "9"
    & skf18("4","3","4","5","10","1","1") = "9"
    & skf18("4","3","4","5","10","2","1") = "9"
    & skf18("4","3","4","5","10","3","1") = "9"
    & skf18("4","3","4","5","10","4","1") = "9"
    & skf18("4","3","4","5","10","5","1") = "9"
    & skf18("4","3","4","5","10","6","1") = "9"
    & skf18("4","3","4","5","10","7","1") = "9"
    & skf18("4","3","4","5","10","8","1") = "9"
    & skf18("4","3","4","5","10","9","1") = "9"
    & skf18("4","3","4","5","10","10","1") = "9"
    & skf18("4","3","4","6","1","1","1") = "5"
    & skf18("4","3","4","6","1","2","1") = "5"
    & skf18("4","3","4","6","1","3","1") = "5"
    & skf18("4","3","4","6","1","4","1") = "5"
    & skf18("4","3","4","6","1","5","1") = "5"
    & skf18("4","3","4","6","1","6","1") = "5"
    & skf18("4","3","4","6","1","7","1") = "6"
    & skf18("4","3","4","6","1","8","1") = "7"
    & skf18("4","3","4","6","1","9","1") = "8"
    & skf18("4","3","4","6","1","10","1") = "9"
    & skf18("4","3","4","6","2","1","1") = "5"
    & skf18("4","3","4","6","2","2","1") = "5"
    & skf18("4","3","4","6","2","3","1") = "5"
    & skf18("4","3","4","6","2","4","1") = "5"
    & skf18("4","3","4","6","2","5","1") = "5"
    & skf18("4","3","4","6","2","6","1") = "5"
    & skf18("4","3","4","6","2","7","1") = "6"
    & skf18("4","3","4","6","2","8","1") = "7"
    & skf18("4","3","4","6","2","9","1") = "8"
    & skf18("4","3","4","6","2","10","1") = "9"
    & skf18("4","3","4","6","3","1","1") = "5"
    & skf18("4","3","4","6","3","2","1") = "5"
    & skf18("4","3","4","6","3","3","1") = "5"
    & skf18("4","3","4","6","3","4","1") = "5"
    & skf18("4","3","4","6","3","5","1") = "5"
    & skf18("4","3","4","6","3","6","1") = "5"
    & skf18("4","3","4","6","3","7","1") = "6"
    & skf18("4","3","4","6","3","8","1") = "7"
    & skf18("4","3","4","6","3","9","1") = "8"
    & skf18("4","3","4","6","3","10","1") = "9"
    & skf18("4","3","4","6","4","1","1") = "5"
    & skf18("4","3","4","6","4","2","1") = "5"
    & skf18("4","3","4","6","4","3","1") = "5"
    & skf18("4","3","4","6","4","4","1") = "5"
    & skf18("4","3","4","6","4","5","1") = "5"
    & skf18("4","3","4","6","4","6","1") = "5"
    & skf18("4","3","4","6","4","7","1") = "6"
    & skf18("4","3","4","6","4","8","1") = "7"
    & skf18("4","3","4","6","4","9","1") = "8"
    & skf18("4","3","4","6","4","10","1") = "9"
    & skf18("4","3","4","6","5","1","1") = "5"
    & skf18("4","3","4","6","5","2","1") = "5"
    & skf18("4","3","4","6","5","3","1") = "5"
    & skf18("4","3","4","6","5","4","1") = "5"
    & skf18("4","3","4","6","5","5","1") = "5"
    & skf18("4","3","4","6","5","6","1") = "5"
    & skf18("4","3","4","6","5","7","1") = "6"
    & skf18("4","3","4","6","5","8","1") = "7"
    & skf18("4","3","4","6","5","9","1") = "8"
    & skf18("4","3","4","6","5","10","1") = "9"
    & skf18("4","3","4","6","6","1","1") = "5"
    & skf18("4","3","4","6","6","2","1") = "5"
    & skf18("4","3","4","6","6","3","1") = "5"
    & skf18("4","3","4","6","6","4","1") = "5"
    & skf18("4","3","4","6","6","5","1") = "5"
    & skf18("4","3","4","6","6","6","1") = "5"
    & skf18("4","3","4","6","6","7","1") = "6"
    & skf18("4","3","4","6","6","8","1") = "7"
    & skf18("4","3","4","6","6","9","1") = "8"
    & skf18("4","3","4","6","6","10","1") = "9"
    & skf18("4","3","4","6","7","1","1") = "6"
    & skf18("4","3","4","6","7","2","1") = "6"
    & skf18("4","3","4","6","7","3","1") = "6"
    & skf18("4","3","4","6","7","4","1") = "6"
    & skf18("4","3","4","6","7","5","1") = "6"
    & skf18("4","3","4","6","7","6","1") = "6"
    & skf18("4","3","4","6","7","7","1") = "6"
    & skf18("4","3","4","6","7","8","1") = "7"
    & skf18("4","3","4","6","7","9","1") = "8"
    & skf18("4","3","4","6","7","10","1") = "9"
    & skf18("4","3","4","6","8","1","1") = "7"
    & skf18("4","3","4","6","8","2","1") = "7"
    & skf18("4","3","4","6","8","3","1") = "7"
    & skf18("4","3","4","6","8","4","1") = "7"
    & skf18("4","3","4","6","8","5","1") = "7"
    & skf18("4","3","4","6","8","6","1") = "7"
    & skf18("4","3","4","6","8","7","1") = "7"
    & skf18("4","3","4","6","8","8","1") = "7"
    & skf18("4","3","4","6","8","9","1") = "8"
    & skf18("4","3","4","6","8","10","1") = "9"
    & skf18("4","3","4","6","9","1","1") = "8"
    & skf18("4","3","4","6","9","2","1") = "8"
    & skf18("4","3","4","6","9","3","1") = "8"
    & skf18("4","3","4","6","9","4","1") = "8"
    & skf18("4","3","4","6","9","5","1") = "8"
    & skf18("4","3","4","6","9","6","1") = "8"
    & skf18("4","3","4","6","9","7","1") = "8"
    & skf18("4","3","4","6","9","8","1") = "8"
    & skf18("4","3","4","6","9","9","1") = "8"
    & skf18("4","3","4","6","9","10","1") = "9"
    & skf18("4","3","4","6","10","1","1") = "9"
    & skf18("4","3","4","6","10","2","1") = "9"
    & skf18("4","3","4","6","10","3","1") = "9"
    & skf18("4","3","4","6","10","4","1") = "9"
    & skf18("4","3","4","6","10","5","1") = "9"
    & skf18("4","3","4","6","10","6","1") = "9"
    & skf18("4","3","4","6","10","7","1") = "9"
    & skf18("4","3","4","6","10","8","1") = "9"
    & skf18("4","3","4","6","10","9","1") = "9"
    & skf18("4","3","4","6","10","10","1") = "9"
    & skf18("4","3","4","7","1","1","1") = "6"
    & skf18("4","3","4","7","1","2","1") = "6"
    & skf18("4","3","4","7","1","3","1") = "6"
    & skf18("4","3","4","7","1","4","1") = "6"
    & skf18("4","3","4","7","1","5","1") = "6"
    & skf18("4","3","4","7","1","6","1") = "6"
    & skf18("4","3","4","7","1","7","1") = "6"
    & skf18("4","3","4","7","1","8","1") = "7"
    & skf18("4","3","4","7","1","9","1") = "8"
    & skf18("4","3","4","7","1","10","1") = "9"
    & skf18("4","3","4","7","2","1","1") = "6"
    & skf18("4","3","4","7","2","2","1") = "6"
    & skf18("4","3","4","7","2","3","1") = "6"
    & skf18("4","3","4","7","2","4","1") = "6"
    & skf18("4","3","4","7","2","5","1") = "6"
    & skf18("4","3","4","7","2","6","1") = "6"
    & skf18("4","3","4","7","2","7","1") = "6"
    & skf18("4","3","4","7","2","8","1") = "7"
    & skf18("4","3","4","7","2","9","1") = "8"
    & skf18("4","3","4","7","2","10","1") = "9"
    & skf18("4","3","4","7","3","1","1") = "6"
    & skf18("4","3","4","7","3","2","1") = "6"
    & skf18("4","3","4","7","3","3","1") = "6"
    & skf18("4","3","4","7","3","4","1") = "6"
    & skf18("4","3","4","7","3","5","1") = "6"
    & skf18("4","3","4","7","3","6","1") = "6"
    & skf18("4","3","4","7","3","7","1") = "6"
    & skf18("4","3","4","7","3","8","1") = "7"
    & skf18("4","3","4","7","3","9","1") = "8"
    & skf18("4","3","4","7","3","10","1") = "9"
    & skf18("4","3","4","7","4","1","1") = "6"
    & skf18("4","3","4","7","4","2","1") = "6"
    & skf18("4","3","4","7","4","3","1") = "6"
    & skf18("4","3","4","7","4","4","1") = "6"
    & skf18("4","3","4","7","4","5","1") = "6"
    & skf18("4","3","4","7","4","6","1") = "6"
    & skf18("4","3","4","7","4","7","1") = "6"
    & skf18("4","3","4","7","4","8","1") = "7"
    & skf18("4","3","4","7","4","9","1") = "8"
    & skf18("4","3","4","7","4","10","1") = "9"
    & skf18("4","3","4","7","5","1","1") = "6"
    & skf18("4","3","4","7","5","2","1") = "6"
    & skf18("4","3","4","7","5","3","1") = "6"
    & skf18("4","3","4","7","5","4","1") = "6"
    & skf18("4","3","4","7","5","5","1") = "6"
    & skf18("4","3","4","7","5","6","1") = "6"
    & skf18("4","3","4","7","5","7","1") = "6"
    & skf18("4","3","4","7","5","8","1") = "7"
    & skf18("4","3","4","7","5","9","1") = "8"
    & skf18("4","3","4","7","5","10","1") = "9"
    & skf18("4","3","4","7","6","1","1") = "6"
    & skf18("4","3","4","7","6","2","1") = "6"
    & skf18("4","3","4","7","6","3","1") = "6"
    & skf18("4","3","4","7","6","4","1") = "6"
    & skf18("4","3","4","7","6","5","1") = "6"
    & skf18("4","3","4","7","6","6","1") = "6"
    & skf18("4","3","4","7","6","7","1") = "6"
    & skf18("4","3","4","7","6","8","1") = "7"
    & skf18("4","3","4","7","6","9","1") = "8"
    & skf18("4","3","4","7","6","10","1") = "9"
    & skf18("4","3","4","7","7","1","1") = "6"
    & skf18("4","3","4","7","7","2","1") = "6"
    & skf18("4","3","4","7","7","3","1") = "6"
    & skf18("4","3","4","7","7","4","1") = "6"
    & skf18("4","3","4","7","7","5","1") = "6"
    & skf18("4","3","4","7","7","6","1") = "6"
    & skf18("4","3","4","7","7","7","1") = "6"
    & skf18("4","3","4","7","7","8","1") = "7"
    & skf18("4","3","4","7","7","9","1") = "8"
    & skf18("4","3","4","7","7","10","1") = "9"
    & skf18("4","3","4","7","8","1","1") = "7"
    & skf18("4","3","4","7","8","2","1") = "7"
    & skf18("4","3","4","7","8","3","1") = "7"
    & skf18("4","3","4","7","8","4","1") = "7"
    & skf18("4","3","4","7","8","5","1") = "7"
    & skf18("4","3","4","7","8","6","1") = "7"
    & skf18("4","3","4","7","8","7","1") = "7"
    & skf18("4","3","4","7","8","8","1") = "7"
    & skf18("4","3","4","7","8","9","1") = "8"
    & skf18("4","3","4","7","8","10","1") = "9"
    & skf18("4","3","4","7","9","1","1") = "8"
    & skf18("4","3","4","7","9","2","1") = "8"
    & skf18("4","3","4","7","9","3","1") = "8"
    & skf18("4","3","4","7","9","4","1") = "8"
    & skf18("4","3","4","7","9","5","1") = "8"
    & skf18("4","3","4","7","9","6","1") = "8"
    & skf18("4","3","4","7","9","7","1") = "8"
    & skf18("4","3","4","7","9","8","1") = "8"
    & skf18("4","3","4","7","9","9","1") = "8"
    & skf18("4","3","4","7","9","10","1") = "9"
    & skf18("4","3","4","7","10","1","1") = "9"
    & skf18("4","3","4","7","10","2","1") = "9"
    & skf18("4","3","4","7","10","3","1") = "9"
    & skf18("4","3","4","7","10","4","1") = "9"
    & skf18("4","3","4","7","10","5","1") = "9"
    & skf18("4","3","4","7","10","6","1") = "9"
    & skf18("4","3","4","7","10","7","1") = "9"
    & skf18("4","3","4","7","10","8","1") = "9"
    & skf18("4","3","4","7","10","9","1") = "9"
    & skf18("4","3","4","7","10","10","1") = "9"
    & skf18("4","3","4","8","1","1","1") = "7"
    & skf18("4","3","4","8","1","2","1") = "7"
    & skf18("4","3","4","8","1","3","1") = "7"
    & skf18("4","3","4","8","1","4","1") = "7"
    & skf18("4","3","4","8","1","5","1") = "7"
    & skf18("4","3","4","8","1","6","1") = "7"
    & skf18("4","3","4","8","1","7","1") = "7"
    & skf18("4","3","4","8","1","8","1") = "7"
    & skf18("4","3","4","8","1","9","1") = "8"
    & skf18("4","3","4","8","1","10","1") = "9"
    & skf18("4","3","4","8","2","1","1") = "7"
    & skf18("4","3","4","8","2","2","1") = "7"
    & skf18("4","3","4","8","2","3","1") = "7"
    & skf18("4","3","4","8","2","4","1") = "7"
    & skf18("4","3","4","8","2","5","1") = "7"
    & skf18("4","3","4","8","2","6","1") = "7"
    & skf18("4","3","4","8","2","7","1") = "7"
    & skf18("4","3","4","8","2","8","1") = "7"
    & skf18("4","3","4","8","2","9","1") = "8"
    & skf18("4","3","4","8","2","10","1") = "9"
    & skf18("4","3","4","8","3","1","1") = "7"
    & skf18("4","3","4","8","3","2","1") = "7"
    & skf18("4","3","4","8","3","3","1") = "7"
    & skf18("4","3","4","8","3","4","1") = "7"
    & skf18("4","3","4","8","3","5","1") = "7"
    & skf18("4","3","4","8","3","6","1") = "7"
    & skf18("4","3","4","8","3","7","1") = "7"
    & skf18("4","3","4","8","3","8","1") = "7"
    & skf18("4","3","4","8","3","9","1") = "8"
    & skf18("4","3","4","8","3","10","1") = "9"
    & skf18("4","3","4","8","4","1","1") = "7"
    & skf18("4","3","4","8","4","2","1") = "7"
    & skf18("4","3","4","8","4","3","1") = "7"
    & skf18("4","3","4","8","4","4","1") = "7"
    & skf18("4","3","4","8","4","5","1") = "7"
    & skf18("4","3","4","8","4","6","1") = "7"
    & skf18("4","3","4","8","4","7","1") = "7"
    & skf18("4","3","4","8","4","8","1") = "7"
    & skf18("4","3","4","8","4","9","1") = "8"
    & skf18("4","3","4","8","4","10","1") = "9"
    & skf18("4","3","4","8","5","1","1") = "7"
    & skf18("4","3","4","8","5","2","1") = "7"
    & skf18("4","3","4","8","5","3","1") = "7"
    & skf18("4","3","4","8","5","4","1") = "7"
    & skf18("4","3","4","8","5","5","1") = "7"
    & skf18("4","3","4","8","5","6","1") = "7"
    & skf18("4","3","4","8","5","7","1") = "7"
    & skf18("4","3","4","8","5","8","1") = "7"
    & skf18("4","3","4","8","5","9","1") = "8"
    & skf18("4","3","4","8","5","10","1") = "9"
    & skf18("4","3","4","8","6","1","1") = "7"
    & skf18("4","3","4","8","6","2","1") = "7"
    & skf18("4","3","4","8","6","3","1") = "7"
    & skf18("4","3","4","8","6","4","1") = "7"
    & skf18("4","3","4","8","6","5","1") = "7"
    & skf18("4","3","4","8","6","6","1") = "7"
    & skf18("4","3","4","8","6","7","1") = "7"
    & skf18("4","3","4","8","6","8","1") = "7"
    & skf18("4","3","4","8","6","9","1") = "8"
    & skf18("4","3","4","8","6","10","1") = "9"
    & skf18("4","3","4","8","7","1","1") = "7"
    & skf18("4","3","4","8","7","2","1") = "7"
    & skf18("4","3","4","8","7","3","1") = "7"
    & skf18("4","3","4","8","7","4","1") = "7"
    & skf18("4","3","4","8","7","5","1") = "7"
    & skf18("4","3","4","8","7","6","1") = "7"
    & skf18("4","3","4","8","7","7","1") = "7"
    & skf18("4","3","4","8","7","8","1") = "7"
    & skf18("4","3","4","8","7","9","1") = "8"
    & skf18("4","3","4","8","7","10","1") = "9"
    & skf18("4","3","4","8","8","1","1") = "7"
    & skf18("4","3","4","8","8","2","1") = "7"
    & skf18("4","3","4","8","8","3","1") = "7"
    & skf18("4","3","4","8","8","4","1") = "7"
    & skf18("4","3","4","8","8","5","1") = "7"
    & skf18("4","3","4","8","8","6","1") = "7"
    & skf18("4","3","4","8","8","7","1") = "7"
    & skf18("4","3","4","8","8","8","1") = "7"
    & skf18("4","3","4","8","8","9","1") = "8"
    & skf18("4","3","4","8","8","10","1") = "9"
    & skf18("4","3","4","8","9","1","1") = "8"
    & skf18("4","3","4","8","9","2","1") = "8"
    & skf18("4","3","4","8","9","3","1") = "8"
    & skf18("4","3","4","8","9","4","1") = "8"
    & skf18("4","3","4","8","9","5","1") = "8"
    & skf18("4","3","4","8","9","6","1") = "8"
    & skf18("4","3","4","8","9","7","1") = "8"
    & skf18("4","3","4","8","9","8","1") = "8"
    & skf18("4","3","4","8","9","9","1") = "8"
    & skf18("4","3","4","8","9","10","1") = "9"
    & skf18("4","3","4","8","10","1","1") = "9"
    & skf18("4","3","4","8","10","2","1") = "9"
    & skf18("4","3","4","8","10","3","1") = "9"
    & skf18("4","3","4","8","10","4","1") = "9"
    & skf18("4","3","4","8","10","5","1") = "9"
    & skf18("4","3","4","8","10","6","1") = "9"
    & skf18("4","3","4","8","10","7","1") = "9"
    & skf18("4","3","4","8","10","8","1") = "9"
    & skf18("4","3","4","8","10","9","1") = "9"
    & skf18("4","3","4","8","10","10","1") = "9"
    & skf18("4","3","4","9","1","1","1") = "8"
    & skf18("4","3","4","9","1","2","1") = "8"
    & skf18("4","3","4","9","1","3","1") = "8"
    & skf18("4","3","4","9","1","4","1") = "8"
    & skf18("4","3","4","9","1","5","1") = "8"
    & skf18("4","3","4","9","1","6","1") = "8"
    & skf18("4","3","4","9","1","7","1") = "8"
    & skf18("4","3","4","9","1","8","1") = "8"
    & skf18("4","3","4","9","1","9","1") = "8"
    & skf18("4","3","4","9","1","10","1") = "9"
    & skf18("4","3","4","9","2","1","1") = "8"
    & skf18("4","3","4","9","2","2","1") = "8"
    & skf18("4","3","4","9","2","3","1") = "8"
    & skf18("4","3","4","9","2","4","1") = "8"
    & skf18("4","3","4","9","2","5","1") = "8"
    & skf18("4","3","4","9","2","6","1") = "8"
    & skf18("4","3","4","9","2","7","1") = "8"
    & skf18("4","3","4","9","2","8","1") = "8"
    & skf18("4","3","4","9","2","9","1") = "8"
    & skf18("4","3","4","9","2","10","1") = "9"
    & skf18("4","3","4","9","3","1","1") = "8"
    & skf18("4","3","4","9","3","2","1") = "8"
    & skf18("4","3","4","9","3","3","1") = "8"
    & skf18("4","3","4","9","3","4","1") = "8"
    & skf18("4","3","4","9","3","5","1") = "8"
    & skf18("4","3","4","9","3","6","1") = "8"
    & skf18("4","3","4","9","3","7","1") = "8"
    & skf18("4","3","4","9","3","8","1") = "8"
    & skf18("4","3","4","9","3","9","1") = "8"
    & skf18("4","3","4","9","3","10","1") = "9"
    & skf18("4","3","4","9","4","1","1") = "8"
    & skf18("4","3","4","9","4","2","1") = "8"
    & skf18("4","3","4","9","4","3","1") = "8"
    & skf18("4","3","4","9","4","4","1") = "8"
    & skf18("4","3","4","9","4","5","1") = "8"
    & skf18("4","3","4","9","4","6","1") = "8"
    & skf18("4","3","4","9","4","7","1") = "8"
    & skf18("4","3","4","9","4","8","1") = "8"
    & skf18("4","3","4","9","4","9","1") = "8"
    & skf18("4","3","4","9","4","10","1") = "9"
    & skf18("4","3","4","9","5","1","1") = "8"
    & skf18("4","3","4","9","5","2","1") = "8"
    & skf18("4","3","4","9","5","3","1") = "8"
    & skf18("4","3","4","9","5","4","1") = "8"
    & skf18("4","3","4","9","5","5","1") = "8"
    & skf18("4","3","4","9","5","6","1") = "8"
    & skf18("4","3","4","9","5","7","1") = "8"
    & skf18("4","3","4","9","5","8","1") = "8"
    & skf18("4","3","4","9","5","9","1") = "8"
    & skf18("4","3","4","9","5","10","1") = "9"
    & skf18("4","3","4","9","6","1","1") = "8"
    & skf18("4","3","4","9","6","2","1") = "8"
    & skf18("4","3","4","9","6","3","1") = "8"
    & skf18("4","3","4","9","6","4","1") = "8"
    & skf18("4","3","4","9","6","5","1") = "8"
    & skf18("4","3","4","9","6","6","1") = "8"
    & skf18("4","3","4","9","6","7","1") = "8"
    & skf18("4","3","4","9","6","8","1") = "8"
    & skf18("4","3","4","9","6","9","1") = "8"
    & skf18("4","3","4","9","6","10","1") = "9"
    & skf18("4","3","4","9","7","1","1") = "8"
    & skf18("4","3","4","9","7","2","1") = "8"
    & skf18("4","3","4","9","7","3","1") = "8"
    & skf18("4","3","4","9","7","4","1") = "8"
    & skf18("4","3","4","9","7","5","1") = "8"
    & skf18("4","3","4","9","7","6","1") = "8"
    & skf18("4","3","4","9","7","7","1") = "8"
    & skf18("4","3","4","9","7","8","1") = "8"
    & skf18("4","3","4","9","7","9","1") = "8"
    & skf18("4","3","4","9","7","10","1") = "9"
    & skf18("4","3","4","9","8","1","1") = "8"
    & skf18("4","3","4","9","8","2","1") = "8"
    & skf18("4","3","4","9","8","3","1") = "8"
    & skf18("4","3","4","9","8","4","1") = "8"
    & skf18("4","3","4","9","8","5","1") = "8"
    & skf18("4","3","4","9","8","6","1") = "8"
    & skf18("4","3","4","9","8","7","1") = "8"
    & skf18("4","3","4","9","8","8","1") = "8"
    & skf18("4","3","4","9","8","9","1") = "8"
    & skf18("4","3","4","9","8","10","1") = "9"
    & skf18("4","3","4","9","9","1","1") = "8"
    & skf18("4","3","4","9","9","2","1") = "8"
    & skf18("4","3","4","9","9","3","1") = "8"
    & skf18("4","3","4","9","9","4","1") = "8"
    & skf18("4","3","4","9","9","5","1") = "8"
    & skf18("4","3","4","9","9","6","1") = "8"
    & skf18("4","3","4","9","9","7","1") = "8"
    & skf18("4","3","4","9","9","8","1") = "8"
    & skf18("4","3","4","9","9","9","1") = "8"
    & skf18("4","3","4","9","9","10","1") = "9"
    & skf18("4","3","4","9","10","1","1") = "9"
    & skf18("4","3","4","9","10","2","1") = "9"
    & skf18("4","3","4","9","10","3","1") = "9"
    & skf18("4","3","4","9","10","4","1") = "9"
    & skf18("4","3","4","9","10","5","1") = "9"
    & skf18("4","3","4","9","10","6","1") = "9"
    & skf18("4","3","4","9","10","7","1") = "9"
    & skf18("4","3","4","9","10","8","1") = "9"
    & skf18("4","3","4","9","10","9","1") = "9"
    & skf18("4","3","4","9","10","10","1") = "9"
    & skf18("4","3","4","10","1","1","1") = "9"
    & skf18("4","3","4","10","1","2","1") = "9"
    & skf18("4","3","4","10","1","3","1") = "9"
    & skf18("4","3","4","10","1","4","1") = "9"
    & skf18("4","3","4","10","1","5","1") = "9"
    & skf18("4","3","4","10","1","6","1") = "9"
    & skf18("4","3","4","10","1","7","1") = "9"
    & skf18("4","3","4","10","1","8","1") = "9"
    & skf18("4","3","4","10","1","9","1") = "9"
    & skf18("4","3","4","10","1","10","1") = "9"
    & skf18("4","3","4","10","2","1","1") = "9"
    & skf18("4","3","4","10","2","2","1") = "9"
    & skf18("4","3","4","10","2","3","1") = "9"
    & skf18("4","3","4","10","2","4","1") = "9"
    & skf18("4","3","4","10","2","5","1") = "9"
    & skf18("4","3","4","10","2","6","1") = "9"
    & skf18("4","3","4","10","2","7","1") = "9"
    & skf18("4","3","4","10","2","8","1") = "9"
    & skf18("4","3","4","10","2","9","1") = "9"
    & skf18("4","3","4","10","2","10","1") = "9"
    & skf18("4","3","4","10","3","1","1") = "9"
    & skf18("4","3","4","10","3","2","1") = "9"
    & skf18("4","3","4","10","3","3","1") = "9"
    & skf18("4","3","4","10","3","4","1") = "9"
    & skf18("4","3","4","10","3","5","1") = "9"
    & skf18("4","3","4","10","3","6","1") = "9"
    & skf18("4","3","4","10","3","7","1") = "9"
    & skf18("4","3","4","10","3","8","1") = "9"
    & skf18("4","3","4","10","3","9","1") = "9"
    & skf18("4","3","4","10","3","10","1") = "9"
    & skf18("4","3","4","10","4","1","1") = "9"
    & skf18("4","3","4","10","4","2","1") = "9"
    & skf18("4","3","4","10","4","3","1") = "9"
    & skf18("4","3","4","10","4","4","1") = "9"
    & skf18("4","3","4","10","4","5","1") = "9"
    & skf18("4","3","4","10","4","6","1") = "9"
    & skf18("4","3","4","10","4","7","1") = "9"
    & skf18("4","3","4","10","4","8","1") = "9"
    & skf18("4","3","4","10","4","9","1") = "9"
    & skf18("4","3","4","10","4","10","1") = "9"
    & skf18("4","3","4","10","5","1","1") = "9"
    & skf18("4","3","4","10","5","2","1") = "9"
    & skf18("4","3","4","10","5","3","1") = "9"
    & skf18("4","3","4","10","5","4","1") = "9"
    & skf18("4","3","4","10","5","5","1") = "9"
    & skf18("4","3","4","10","5","6","1") = "9"
    & skf18("4","3","4","10","5","7","1") = "9"
    & skf18("4","3","4","10","5","8","1") = "9"
    & skf18("4","3","4","10","5","9","1") = "9"
    & skf18("4","3","4","10","5","10","1") = "9"
    & skf18("4","3","4","10","6","1","1") = "9"
    & skf18("4","3","4","10","6","2","1") = "9"
    & skf18("4","3","4","10","6","3","1") = "9"
    & skf18("4","3","4","10","6","4","1") = "9"
    & skf18("4","3","4","10","6","5","1") = "9"
    & skf18("4","3","4","10","6","6","1") = "9"
    & skf18("4","3","4","10","6","7","1") = "9"
    & skf18("4","3","4","10","6","8","1") = "9"
    & skf18("4","3","4","10","6","9","1") = "9"
    & skf18("4","3","4","10","6","10","1") = "9"
    & skf18("4","3","4","10","7","1","1") = "9"
    & skf18("4","3","4","10","7","2","1") = "9"
    & skf18("4","3","4","10","7","3","1") = "9"
    & skf18("4","3","4","10","7","4","1") = "9"
    & skf18("4","3","4","10","7","5","1") = "9"
    & skf18("4","3","4","10","7","6","1") = "9"
    & skf18("4","3","4","10","7","7","1") = "9"
    & skf18("4","3","4","10","7","8","1") = "9"
    & skf18("4","3","4","10","7","9","1") = "9"
    & skf18("4","3","4","10","7","10","1") = "9"
    & skf18("4","3","4","10","8","1","1") = "9"
    & skf18("4","3","4","10","8","2","1") = "9"
    & skf18("4","3","4","10","8","3","1") = "9"
    & skf18("4","3","4","10","8","4","1") = "9"
    & skf18("4","3","4","10","8","5","1") = "9"
    & skf18("4","3","4","10","8","6","1") = "9"
    & skf18("4","3","4","10","8","7","1") = "9"
    & skf18("4","3","4","10","8","8","1") = "9"
    & skf18("4","3","4","10","8","9","1") = "9"
    & skf18("4","3","4","10","8","10","1") = "9"
    & skf18("4","3","4","10","9","1","1") = "9"
    & skf18("4","3","4","10","9","2","1") = "9"
    & skf18("4","3","4","10","9","3","1") = "9"
    & skf18("4","3","4","10","9","4","1") = "9"
    & skf18("4","3","4","10","9","5","1") = "9"
    & skf18("4","3","4","10","9","6","1") = "9"
    & skf18("4","3","4","10","9","7","1") = "9"
    & skf18("4","3","4","10","9","8","1") = "9"
    & skf18("4","3","4","10","9","9","1") = "9"
    & skf18("4","3","4","10","9","10","1") = "9"
    & skf18("4","3","4","10","10","1","1") = "9"
    & skf18("4","3","4","10","10","2","1") = "9"
    & skf18("4","3","4","10","10","3","1") = "9"
    & skf18("4","3","4","10","10","4","1") = "9"
    & skf18("4","3","4","10","10","5","1") = "9"
    & skf18("4","3","4","10","10","6","1") = "9"
    & skf18("4","3","4","10","10","7","1") = "9"
    & skf18("4","3","4","10","10","8","1") = "9"
    & skf18("4","3","4","10","10","9","1") = "9"
    & skf18("4","3","4","10","10","10","1") = "9"
    & skf18("4","3","5","1","1","1","1") = "4"
    & skf18("4","3","5","1","1","2","1") = "4"
    & skf18("4","3","5","1","1","3","1") = "4"
    & skf18("4","3","5","1","1","4","1") = "4"
    & skf18("4","3","5","1","1","5","1") = "4"
    & skf18("4","3","5","1","1","6","1") = "5"
    & skf18("4","3","5","1","1","7","1") = "6"
    & skf18("4","3","5","1","1","8","1") = "7"
    & skf18("4","3","5","1","1","9","1") = "8"
    & skf18("4","3","5","1","1","10","1") = "9"
    & skf18("4","3","5","1","2","1","1") = "4"
    & skf18("4","3","5","1","2","2","1") = "4"
    & skf18("4","3","5","1","2","3","1") = "4"
    & skf18("4","3","5","1","2","4","1") = "4"
    & skf18("4","3","5","1","2","5","1") = "4"
    & skf18("4","3","5","1","2","6","1") = "5"
    & skf18("4","3","5","1","2","7","1") = "6"
    & skf18("4","3","5","1","2","8","1") = "7"
    & skf18("4","3","5","1","2","9","1") = "8"
    & skf18("4","3","5","1","2","10","1") = "9"
    & skf18("4","3","5","1","3","1","1") = "4"
    & skf18("4","3","5","1","3","2","1") = "4"
    & skf18("4","3","5","1","3","3","1") = "4"
    & skf18("4","3","5","1","3","4","1") = "4"
    & skf18("4","3","5","1","3","5","1") = "4"
    & skf18("4","3","5","1","3","6","1") = "5"
    & skf18("4","3","5","1","3","7","1") = "6"
    & skf18("4","3","5","1","3","8","1") = "7"
    & skf18("4","3","5","1","3","9","1") = "8"
    & skf18("4","3","5","1","3","10","1") = "9"
    & skf18("4","3","5","1","4","1","1") = "4"
    & skf18("4","3","5","1","4","2","1") = "4"
    & skf18("4","3","5","1","4","3","1") = "4"
    & skf18("4","3","5","1","4","4","1") = "4"
    & skf18("4","3","5","1","4","5","1") = "4"
    & skf18("4","3","5","1","4","6","1") = "5"
    & skf18("4","3","5","1","4","7","1") = "6"
    & skf18("4","3","5","1","4","8","1") = "7"
    & skf18("4","3","5","1","4","9","1") = "8"
    & skf18("4","3","5","1","4","10","1") = "9"
    & skf18("4","3","5","1","5","1","1") = "4"
    & skf18("4","3","5","1","5","2","1") = "4"
    & skf18("4","3","5","1","5","3","1") = "4"
    & skf18("4","3","5","1","5","4","1") = "4"
    & skf18("4","3","5","1","5","5","1") = "4"
    & skf18("4","3","5","1","5","6","1") = "5"
    & skf18("4","3","5","1","5","7","1") = "6"
    & skf18("4","3","5","1","5","8","1") = "7"
    & skf18("4","3","5","1","5","9","1") = "8"
    & skf18("4","3","5","1","5","10","1") = "9"
    & skf18("4","3","5","1","6","1","1") = "5"
    & skf18("4","3","5","1","6","2","1") = "5"
    & skf18("4","3","5","1","6","3","1") = "5"
    & skf18("4","3","5","1","6","4","1") = "5"
    & skf18("4","3","5","1","6","5","1") = "5"
    & skf18("4","3","5","1","6","6","1") = "5"
    & skf18("4","3","5","1","6","7","1") = "6"
    & skf18("4","3","5","1","6","8","1") = "7"
    & skf18("4","3","5","1","6","9","1") = "8"
    & skf18("4","3","5","1","6","10","1") = "9"
    & skf18("4","3","5","1","7","1","1") = "6"
    & skf18("4","3","5","1","7","2","1") = "6"
    & skf18("4","3","5","1","7","3","1") = "6"
    & skf18("4","3","5","1","7","4","1") = "6"
    & skf18("4","3","5","1","7","5","1") = "6"
    & skf18("4","3","5","1","7","6","1") = "6"
    & skf18("4","3","5","1","7","7","1") = "6"
    & skf18("4","3","5","1","7","8","1") = "7"
    & skf18("4","3","5","1","7","9","1") = "8"
    & skf18("4","3","5","1","7","10","1") = "9"
    & skf18("4","3","5","1","8","1","1") = "7"
    & skf18("4","3","5","1","8","2","1") = "7"
    & skf18("4","3","5","1","8","3","1") = "7"
    & skf18("4","3","5","1","8","4","1") = "7"
    & skf18("4","3","5","1","8","5","1") = "7"
    & skf18("4","3","5","1","8","6","1") = "7"
    & skf18("4","3","5","1","8","7","1") = "7"
    & skf18("4","3","5","1","8","8","1") = "7"
    & skf18("4","3","5","1","8","9","1") = "8"
    & skf18("4","3","5","1","8","10","1") = "9"
    & skf18("4","3","5","1","9","1","1") = "8"
    & skf18("4","3","5","1","9","2","1") = "8"
    & skf18("4","3","5","1","9","3","1") = "8"
    & skf18("4","3","5","1","9","4","1") = "8"
    & skf18("4","3","5","1","9","5","1") = "8"
    & skf18("4","3","5","1","9","6","1") = "8"
    & skf18("4","3","5","1","9","7","1") = "8"
    & skf18("4","3","5","1","9","8","1") = "8"
    & skf18("4","3","5","1","9","9","1") = "8"
    & skf18("4","3","5","1","9","10","1") = "9"
    & skf18("4","3","5","1","10","1","1") = "9"
    & skf18("4","3","5","1","10","2","1") = "9"
    & skf18("4","3","5","1","10","3","1") = "9"
    & skf18("4","3","5","1","10","4","1") = "9"
    & skf18("4","3","5","1","10","5","1") = "9"
    & skf18("4","3","5","1","10","6","1") = "9"
    & skf18("4","3","5","1","10","7","1") = "9"
    & skf18("4","3","5","1","10","8","1") = "9"
    & skf18("4","3","5","1","10","9","1") = "9"
    & skf18("4","3","5","1","10","10","1") = "9"
    & skf18("4","3","5","2","1","1","1") = "4"
    & skf18("4","3","5","2","1","2","1") = "4"
    & skf18("4","3","5","2","1","3","1") = "4"
    & skf18("4","3","5","2","1","4","1") = "4"
    & skf18("4","3","5","2","1","5","1") = "4"
    & skf18("4","3","5","2","1","6","1") = "5"
    & skf18("4","3","5","2","1","7","1") = "6"
    & skf18("4","3","5","2","1","8","1") = "7"
    & skf18("4","3","5","2","1","9","1") = "8"
    & skf18("4","3","5","2","1","10","1") = "9"
    & skf18("4","3","5","2","2","1","1") = "4"
    & skf18("4","3","5","2","2","2","1") = "4"
    & skf18("4","3","5","2","2","3","1") = "4"
    & skf18("4","3","5","2","2","4","1") = "4"
    & skf18("4","3","5","2","2","5","1") = "4"
    & skf18("4","3","5","2","2","6","1") = "5"
    & skf18("4","3","5","2","2","7","1") = "6"
    & skf18("4","3","5","2","2","8","1") = "7"
    & skf18("4","3","5","2","2","9","1") = "8"
    & skf18("4","3","5","2","2","10","1") = "9"
    & skf18("4","3","5","2","3","1","1") = "4"
    & skf18("4","3","5","2","3","2","1") = "4"
    & skf18("4","3","5","2","3","3","1") = "4"
    & skf18("4","3","5","2","3","4","1") = "4"
    & skf18("4","3","5","2","3","5","1") = "4"
    & skf18("4","3","5","2","3","6","1") = "5"
    & skf18("4","3","5","2","3","7","1") = "6"
    & skf18("4","3","5","2","3","8","1") = "7"
    & skf18("4","3","5","2","3","9","1") = "8"
    & skf18("4","3","5","2","3","10","1") = "9"
    & skf18("4","3","5","2","4","1","1") = "4"
    & skf18("4","3","5","2","4","2","1") = "4"
    & skf18("4","3","5","2","4","3","1") = "4"
    & skf18("4","3","5","2","4","4","1") = "4"
    & skf18("4","3","5","2","4","5","1") = "4"
    & skf18("4","3","5","2","4","6","1") = "5"
    & skf18("4","3","5","2","4","7","1") = "6"
    & skf18("4","3","5","2","4","8","1") = "7"
    & skf18("4","3","5","2","4","9","1") = "8"
    & skf18("4","3","5","2","4","10","1") = "9"
    & skf18("4","3","5","2","5","1","1") = "4"
    & skf18("4","3","5","2","5","2","1") = "4"
    & skf18("4","3","5","2","5","3","1") = "4"
    & skf18("4","3","5","2","5","4","1") = "4"
    & skf18("4","3","5","2","5","5","1") = "4"
    & skf18("4","3","5","2","5","6","1") = "5"
    & skf18("4","3","5","2","5","7","1") = "6"
    & skf18("4","3","5","2","5","8","1") = "7"
    & skf18("4","3","5","2","5","9","1") = "8"
    & skf18("4","3","5","2","5","10","1") = "9"
    & skf18("4","3","5","2","6","1","1") = "5"
    & skf18("4","3","5","2","6","2","1") = "5"
    & skf18("4","3","5","2","6","3","1") = "5"
    & skf18("4","3","5","2","6","4","1") = "5"
    & skf18("4","3","5","2","6","5","1") = "5"
    & skf18("4","3","5","2","6","6","1") = "5"
    & skf18("4","3","5","2","6","7","1") = "6"
    & skf18("4","3","5","2","6","8","1") = "7"
    & skf18("4","3","5","2","6","9","1") = "8"
    & skf18("4","3","5","2","6","10","1") = "9"
    & skf18("4","3","5","2","7","1","1") = "6"
    & skf18("4","3","5","2","7","2","1") = "6"
    & skf18("4","3","5","2","7","3","1") = "6"
    & skf18("4","3","5","2","7","4","1") = "6"
    & skf18("4","3","5","2","7","5","1") = "6"
    & skf18("4","3","5","2","7","6","1") = "6"
    & skf18("4","3","5","2","7","7","1") = "6"
    & skf18("4","3","5","2","7","8","1") = "7"
    & skf18("4","3","5","2","7","9","1") = "8"
    & skf18("4","3","5","2","7","10","1") = "9"
    & skf18("4","3","5","2","8","1","1") = "7"
    & skf18("4","3","5","2","8","2","1") = "7"
    & skf18("4","3","5","2","8","3","1") = "7"
    & skf18("4","3","5","2","8","4","1") = "7"
    & skf18("4","3","5","2","8","5","1") = "7"
    & skf18("4","3","5","2","8","6","1") = "7"
    & skf18("4","3","5","2","8","7","1") = "7"
    & skf18("4","3","5","2","8","8","1") = "7"
    & skf18("4","3","5","2","8","9","1") = "8"
    & skf18("4","3","5","2","8","10","1") = "9"
    & skf18("4","3","5","2","9","1","1") = "8"
    & skf18("4","3","5","2","9","2","1") = "8"
    & skf18("4","3","5","2","9","3","1") = "8"
    & skf18("4","3","5","2","9","4","1") = "8"
    & skf18("4","3","5","2","9","5","1") = "8"
    & skf18("4","3","5","2","9","6","1") = "8"
    & skf18("4","3","5","2","9","7","1") = "8"
    & skf18("4","3","5","2","9","8","1") = "8"
    & skf18("4","3","5","2","9","9","1") = "8"
    & skf18("4","3","5","2","9","10","1") = "9"
    & skf18("4","3","5","2","10","1","1") = "9"
    & skf18("4","3","5","2","10","2","1") = "9"
    & skf18("4","3","5","2","10","3","1") = "9"
    & skf18("4","3","5","2","10","4","1") = "9"
    & skf18("4","3","5","2","10","5","1") = "9"
    & skf18("4","3","5","2","10","6","1") = "9"
    & skf18("4","3","5","2","10","7","1") = "9"
    & skf18("4","3","5","2","10","8","1") = "9"
    & skf18("4","3","5","2","10","9","1") = "9"
    & skf18("4","3","5","2","10","10","1") = "9"
    & skf18("4","3","5","3","1","1","1") = "4"
    & skf18("4","3","5","3","1","2","1") = "4"
    & skf18("4","3","5","3","1","3","1") = "4"
    & skf18("4","3","5","3","1","4","1") = "4"
    & skf18("4","3","5","3","1","5","1") = "4"
    & skf18("4","3","5","3","1","6","1") = "5"
    & skf18("4","3","5","3","1","7","1") = "6"
    & skf18("4","3","5","3","1","8","1") = "7"
    & skf18("4","3","5","3","1","9","1") = "8"
    & skf18("4","3","5","3","1","10","1") = "9"
    & skf18("4","3","5","3","2","1","1") = "4"
    & skf18("4","3","5","3","2","2","1") = "4"
    & skf18("4","3","5","3","2","3","1") = "4"
    & skf18("4","3","5","3","2","4","1") = "4"
    & skf18("4","3","5","3","2","5","1") = "4"
    & skf18("4","3","5","3","2","6","1") = "5"
    & skf18("4","3","5","3","2","7","1") = "6"
    & skf18("4","3","5","3","2","8","1") = "7"
    & skf18("4","3","5","3","2","9","1") = "8"
    & skf18("4","3","5","3","2","10","1") = "9"
    & skf18("4","3","5","3","3","1","1") = "4"
    & skf18("4","3","5","3","3","2","1") = "4"
    & skf18("4","3","5","3","3","3","1") = "4"
    & skf18("4","3","5","3","3","4","1") = "4"
    & skf18("4","3","5","3","3","5","1") = "4"
    & skf18("4","3","5","3","3","6","1") = "5"
    & skf18("4","3","5","3","3","7","1") = "6"
    & skf18("4","3","5","3","3","8","1") = "7"
    & skf18("4","3","5","3","3","9","1") = "8"
    & skf18("4","3","5","3","3","10","1") = "9"
    & skf18("4","3","5","3","4","1","1") = "4"
    & skf18("4","3","5","3","4","2","1") = "4"
    & skf18("4","3","5","3","4","3","1") = "4"
    & skf18("4","3","5","3","4","4","1") = "4"
    & skf18("4","3","5","3","4","5","1") = "4"
    & skf18("4","3","5","3","4","6","1") = "5"
    & skf18("4","3","5","3","4","7","1") = "6"
    & skf18("4","3","5","3","4","8","1") = "7"
    & skf18("4","3","5","3","4","9","1") = "8"
    & skf18("4","3","5","3","4","10","1") = "9"
    & skf18("4","3","5","3","5","1","1") = "4"
    & skf18("4","3","5","3","5","2","1") = "4"
    & skf18("4","3","5","3","5","3","1") = "4"
    & skf18("4","3","5","3","5","4","1") = "4"
    & skf18("4","3","5","3","5","5","1") = "4"
    & skf18("4","3","5","3","5","6","1") = "5"
    & skf18("4","3","5","3","5","7","1") = "6"
    & skf18("4","3","5","3","5","8","1") = "7"
    & skf18("4","3","5","3","5","9","1") = "8"
    & skf18("4","3","5","3","5","10","1") = "9"
    & skf18("4","3","5","3","6","1","1") = "5"
    & skf18("4","3","5","3","6","2","1") = "5"
    & skf18("4","3","5","3","6","3","1") = "5"
    & skf18("4","3","5","3","6","4","1") = "5"
    & skf18("4","3","5","3","6","5","1") = "5"
    & skf18("4","3","5","3","6","6","1") = "5"
    & skf18("4","3","5","3","6","7","1") = "6"
    & skf18("4","3","5","3","6","8","1") = "7"
    & skf18("4","3","5","3","6","9","1") = "8"
    & skf18("4","3","5","3","6","10","1") = "9"
    & skf18("4","3","5","3","7","1","1") = "6"
    & skf18("4","3","5","3","7","2","1") = "6"
    & skf18("4","3","5","3","7","3","1") = "6"
    & skf18("4","3","5","3","7","4","1") = "6"
    & skf18("4","3","5","3","7","5","1") = "6"
    & skf18("4","3","5","3","7","6","1") = "6"
    & skf18("4","3","5","3","7","7","1") = "6"
    & skf18("4","3","5","3","7","8","1") = "7"
    & skf18("4","3","5","3","7","9","1") = "8"
    & skf18("4","3","5","3","7","10","1") = "9"
    & skf18("4","3","5","3","8","1","1") = "7"
    & skf18("4","3","5","3","8","2","1") = "7"
    & skf18("4","3","5","3","8","3","1") = "7"
    & skf18("4","3","5","3","8","4","1") = "7"
    & skf18("4","3","5","3","8","5","1") = "7"
    & skf18("4","3","5","3","8","6","1") = "7"
    & skf18("4","3","5","3","8","7","1") = "7"
    & skf18("4","3","5","3","8","8","1") = "7"
    & skf18("4","3","5","3","8","9","1") = "8"
    & skf18("4","3","5","3","8","10","1") = "9"
    & skf18("4","3","5","3","9","1","1") = "8"
    & skf18("4","3","5","3","9","2","1") = "8"
    & skf18("4","3","5","3","9","3","1") = "8"
    & skf18("4","3","5","3","9","4","1") = "8"
    & skf18("4","3","5","3","9","5","1") = "8"
    & skf18("4","3","5","3","9","6","1") = "8"
    & skf18("4","3","5","3","9","7","1") = "8"
    & skf18("4","3","5","3","9","8","1") = "8"
    & skf18("4","3","5","3","9","9","1") = "8"
    & skf18("4","3","5","3","9","10","1") = "9"
    & skf18("4","3","5","3","10","1","1") = "9"
    & skf18("4","3","5","3","10","2","1") = "9"
    & skf18("4","3","5","3","10","3","1") = "9"
    & skf18("4","3","5","3","10","4","1") = "9"
    & skf18("4","3","5","3","10","5","1") = "9"
    & skf18("4","3","5","3","10","6","1") = "9"
    & skf18("4","3","5","3","10","7","1") = "9"
    & skf18("4","3","5","3","10","8","1") = "9"
    & skf18("4","3","5","3","10","9","1") = "9"
    & skf18("4","3","5","3","10","10","1") = "9"
    & skf18("4","3","5","4","1","1","1") = "4"
    & skf18("4","3","5","4","1","2","1") = "4"
    & skf18("4","3","5","4","1","3","1") = "4"
    & skf18("4","3","5","4","1","4","1") = "4"
    & skf18("4","3","5","4","1","5","1") = "4"
    & skf18("4","3","5","4","1","6","1") = "5"
    & skf18("4","3","5","4","1","7","1") = "6"
    & skf18("4","3","5","4","1","8","1") = "7"
    & skf18("4","3","5","4","1","9","1") = "8"
    & skf18("4","3","5","4","1","10","1") = "9"
    & skf18("4","3","5","4","2","1","1") = "4"
    & skf18("4","3","5","4","2","2","1") = "4"
    & skf18("4","3","5","4","2","3","1") = "4"
    & skf18("4","3","5","4","2","4","1") = "4"
    & skf18("4","3","5","4","2","5","1") = "4"
    & skf18("4","3","5","4","2","6","1") = "5"
    & skf18("4","3","5","4","2","7","1") = "6"
    & skf18("4","3","5","4","2","8","1") = "7"
    & skf18("4","3","5","4","2","9","1") = "8"
    & skf18("4","3","5","4","2","10","1") = "9"
    & skf18("4","3","5","4","3","1","1") = "4"
    & skf18("4","3","5","4","3","2","1") = "4"
    & skf18("4","3","5","4","3","3","1") = "4"
    & skf18("4","3","5","4","3","4","1") = "4"
    & skf18("4","3","5","4","3","5","1") = "4"
    & skf18("4","3","5","4","3","6","1") = "5"
    & skf18("4","3","5","4","3","7","1") = "6"
    & skf18("4","3","5","4","3","8","1") = "7"
    & skf18("4","3","5","4","3","9","1") = "8"
    & skf18("4","3","5","4","3","10","1") = "9"
    & skf18("4","3","5","4","4","1","1") = "4"
    & skf18("4","3","5","4","4","2","1") = "4"
    & skf18("4","3","5","4","4","3","1") = "4"
    & skf18("4","3","5","4","4","4","1") = "4"
    & skf18("4","3","5","4","4","5","1") = "4"
    & skf18("4","3","5","4","4","6","1") = "5"
    & skf18("4","3","5","4","4","7","1") = "6"
    & skf18("4","3","5","4","4","8","1") = "7"
    & skf18("4","3","5","4","4","9","1") = "8"
    & skf18("4","3","5","4","4","10","1") = "9"
    & skf18("4","3","5","4","5","1","1") = "4"
    & skf18("4","3","5","4","5","2","1") = "4"
    & skf18("4","3","5","4","5","3","1") = "4"
    & skf18("4","3","5","4","5","4","1") = "4"
    & skf18("4","3","5","4","5","5","1") = "4"
    & skf18("4","3","5","4","5","6","1") = "5"
    & skf18("4","3","5","4","5","7","1") = "6"
    & skf18("4","3","5","4","5","8","1") = "7"
    & skf18("4","3","5","4","5","9","1") = "8"
    & skf18("4","3","5","4","5","10","1") = "9"
    & skf18("4","3","5","4","6","1","1") = "5"
    & skf18("4","3","5","4","6","2","1") = "5"
    & skf18("4","3","5","4","6","3","1") = "5"
    & skf18("4","3","5","4","6","4","1") = "5"
    & skf18("4","3","5","4","6","5","1") = "5"
    & skf18("4","3","5","4","6","6","1") = "5"
    & skf18("4","3","5","4","6","7","1") = "6"
    & skf18("4","3","5","4","6","8","1") = "7"
    & skf18("4","3","5","4","6","9","1") = "8"
    & skf18("4","3","5","4","6","10","1") = "9"
    & skf18("4","3","5","4","7","1","1") = "6"
    & skf18("4","3","5","4","7","2","1") = "6"
    & skf18("4","3","5","4","7","3","1") = "6"
    & skf18("4","3","5","4","7","4","1") = "6"
    & skf18("4","3","5","4","7","5","1") = "6"
    & skf18("4","3","5","4","7","6","1") = "6"
    & skf18("4","3","5","4","7","7","1") = "6"
    & skf18("4","3","5","4","7","8","1") = "7"
    & skf18("4","3","5","4","7","9","1") = "8"
    & skf18("4","3","5","4","7","10","1") = "9"
    & skf18("4","3","5","4","8","1","1") = "7"
    & skf18("4","3","5","4","8","2","1") = "7"
    & skf18("4","3","5","4","8","3","1") = "7"
    & skf18("4","3","5","4","8","4","1") = "7"
    & skf18("4","3","5","4","8","5","1") = "7"
    & skf18("4","3","5","4","8","6","1") = "7"
    & skf18("4","3","5","4","8","7","1") = "7"
    & skf18("4","3","5","4","8","8","1") = "7"
    & skf18("4","3","5","4","8","9","1") = "8"
    & skf18("4","3","5","4","8","10","1") = "9"
    & skf18("4","3","5","4","9","1","1") = "8"
    & skf18("4","3","5","4","9","2","1") = "8"
    & skf18("4","3","5","4","9","3","1") = "8"
    & skf18("4","3","5","4","9","4","1") = "8"
    & skf18("4","3","5","4","9","5","1") = "8"
    & skf18("4","3","5","4","9","6","1") = "8"
    & skf18("4","3","5","4","9","7","1") = "8"
    & skf18("4","3","5","4","9","8","1") = "8"
    & skf18("4","3","5","4","9","9","1") = "8"
    & skf18("4","3","5","4","9","10","1") = "9"
    & skf18("4","3","5","4","10","1","1") = "9"
    & skf18("4","3","5","4","10","2","1") = "9"
    & skf18("4","3","5","4","10","3","1") = "9"
    & skf18("4","3","5","4","10","4","1") = "9"
    & skf18("4","3","5","4","10","5","1") = "9"
    & skf18("4","3","5","4","10","6","1") = "9"
    & skf18("4","3","5","4","10","7","1") = "9"
    & skf18("4","3","5","4","10","8","1") = "9"
    & skf18("4","3","5","4","10","9","1") = "9"
    & skf18("4","3","5","4","10","10","1") = "9"
    & skf18("4","3","5","5","1","1","1") = "4"
    & skf18("4","3","5","5","1","2","1") = "4"
    & skf18("4","3","5","5","1","3","1") = "4"
    & skf18("4","3","5","5","1","4","1") = "4"
    & skf18("4","3","5","5","1","5","1") = "4"
    & skf18("4","3","5","5","1","6","1") = "5"
    & skf18("4","3","5","5","1","7","1") = "6"
    & skf18("4","3","5","5","1","8","1") = "7"
    & skf18("4","3","5","5","1","9","1") = "8"
    & skf18("4","3","5","5","1","10","1") = "9"
    & skf18("4","3","5","5","2","1","1") = "4"
    & skf18("4","3","5","5","2","2","1") = "4"
    & skf18("4","3","5","5","2","3","1") = "4"
    & skf18("4","3","5","5","2","4","1") = "4"
    & skf18("4","3","5","5","2","5","1") = "4"
    & skf18("4","3","5","5","2","6","1") = "5"
    & skf18("4","3","5","5","2","7","1") = "6"
    & skf18("4","3","5","5","2","8","1") = "7"
    & skf18("4","3","5","5","2","9","1") = "8"
    & skf18("4","3","5","5","2","10","1") = "9"
    & skf18("4","3","5","5","3","1","1") = "4"
    & skf18("4","3","5","5","3","2","1") = "4"
    & skf18("4","3","5","5","3","3","1") = "4"
    & skf18("4","3","5","5","3","4","1") = "4"
    & skf18("4","3","5","5","3","5","1") = "4"
    & skf18("4","3","5","5","3","6","1") = "5"
    & skf18("4","3","5","5","3","7","1") = "6"
    & skf18("4","3","5","5","3","8","1") = "7"
    & skf18("4","3","5","5","3","9","1") = "8"
    & skf18("4","3","5","5","3","10","1") = "9"
    & skf18("4","3","5","5","4","1","1") = "4"
    & skf18("4","3","5","5","4","2","1") = "4"
    & skf18("4","3","5","5","4","3","1") = "4"
    & skf18("4","3","5","5","4","4","1") = "4"
    & skf18("4","3","5","5","4","5","1") = "4"
    & skf18("4","3","5","5","4","6","1") = "5"
    & skf18("4","3","5","5","4","7","1") = "6"
    & skf18("4","3","5","5","4","8","1") = "7"
    & skf18("4","3","5","5","4","9","1") = "8"
    & skf18("4","3","5","5","4","10","1") = "9"
    & skf18("4","3","5","5","5","1","1") = "4"
    & skf18("4","3","5","5","5","2","1") = "4"
    & skf18("4","3","5","5","5","3","1") = "4"
    & skf18("4","3","5","5","5","4","1") = "4"
    & skf18("4","3","5","5","5","5","1") = "4"
    & skf18("4","3","5","5","5","6","1") = "5"
    & skf18("4","3","5","5","5","7","1") = "6"
    & skf18("4","3","5","5","5","8","1") = "7"
    & skf18("4","3","5","5","5","9","1") = "8"
    & skf18("4","3","5","5","5","10","1") = "9"
    & skf18("4","3","5","5","6","1","1") = "5"
    & skf18("4","3","5","5","6","2","1") = "5"
    & skf18("4","3","5","5","6","3","1") = "5"
    & skf18("4","3","5","5","6","4","1") = "5"
    & skf18("4","3","5","5","6","5","1") = "5"
    & skf18("4","3","5","5","6","6","1") = "5"
    & skf18("4","3","5","5","6","7","1") = "6"
    & skf18("4","3","5","5","6","8","1") = "7"
    & skf18("4","3","5","5","6","9","1") = "8"
    & skf18("4","3","5","5","6","10","1") = "9"
    & skf18("4","3","5","5","7","1","1") = "6"
    & skf18("4","3","5","5","7","2","1") = "6"
    & skf18("4","3","5","5","7","3","1") = "6"
    & skf18("4","3","5","5","7","4","1") = "6"
    & skf18("4","3","5","5","7","5","1") = "6"
    & skf18("4","3","5","5","7","6","1") = "6"
    & skf18("4","3","5","5","7","7","1") = "6"
    & skf18("4","3","5","5","7","8","1") = "7"
    & skf18("4","3","5","5","7","9","1") = "8"
    & skf18("4","3","5","5","7","10","1") = "9"
    & skf18("4","3","5","5","8","1","1") = "7"
    & skf18("4","3","5","5","8","2","1") = "7"
    & skf18("4","3","5","5","8","3","1") = "7"
    & skf18("4","3","5","5","8","4","1") = "7"
    & skf18("4","3","5","5","8","5","1") = "7"
    & skf18("4","3","5","5","8","6","1") = "7"
    & skf18("4","3","5","5","8","7","1") = "7"
    & skf18("4","3","5","5","8","8","1") = "7"
    & skf18("4","3","5","5","8","9","1") = "8"
    & skf18("4","3","5","5","8","10","1") = "9"
    & skf18("4","3","5","5","9","1","1") = "8"
    & skf18("4","3","5","5","9","2","1") = "8"
    & skf18("4","3","5","5","9","3","1") = "8"
    & skf18("4","3","5","5","9","4","1") = "8"
    & skf18("4","3","5","5","9","5","1") = "8"
    & skf18("4","3","5","5","9","6","1") = "8"
    & skf18("4","3","5","5","9","7","1") = "8"
    & skf18("4","3","5","5","9","8","1") = "8"
    & skf18("4","3","5","5","9","9","1") = "8"
    & skf18("4","3","5","5","9","10","1") = "9"
    & skf18("4","3","5","5","10","1","1") = "9"
    & skf18("4","3","5","5","10","2","1") = "9"
    & skf18("4","3","5","5","10","3","1") = "9"
    & skf18("4","3","5","5","10","4","1") = "9"
    & skf18("4","3","5","5","10","5","1") = "9"
    & skf18("4","3","5","5","10","6","1") = "9"
    & skf18("4","3","5","5","10","7","1") = "9"
    & skf18("4","3","5","5","10","8","1") = "9"
    & skf18("4","3","5","5","10","9","1") = "9"
    & skf18("4","3","5","5","10","10","1") = "9"
    & skf18("4","3","5","6","1","1","1") = "5"
    & skf18("4","3","5","6","1","2","1") = "5"
    & skf18("4","3","5","6","1","3","1") = "5"
    & skf18("4","3","5","6","1","4","1") = "5"
    & skf18("4","3","5","6","1","5","1") = "5"
    & skf18("4","3","5","6","1","6","1") = "5"
    & skf18("4","3","5","6","1","7","1") = "6"
    & skf18("4","3","5","6","1","8","1") = "7"
    & skf18("4","3","5","6","1","9","1") = "8"
    & skf18("4","3","5","6","1","10","1") = "9"
    & skf18("4","3","5","6","2","1","1") = "5"
    & skf18("4","3","5","6","2","2","1") = "5"
    & skf18("4","3","5","6","2","3","1") = "5"
    & skf18("4","3","5","6","2","4","1") = "5"
    & skf18("4","3","5","6","2","5","1") = "5"
    & skf18("4","3","5","6","2","6","1") = "5"
    & skf18("4","3","5","6","2","7","1") = "6"
    & skf18("4","3","5","6","2","8","1") = "7"
    & skf18("4","3","5","6","2","9","1") = "8"
    & skf18("4","3","5","6","2","10","1") = "9"
    & skf18("4","3","5","6","3","1","1") = "5"
    & skf18("4","3","5","6","3","2","1") = "5"
    & skf18("4","3","5","6","3","3","1") = "5"
    & skf18("4","3","5","6","3","4","1") = "5"
    & skf18("4","3","5","6","3","5","1") = "5"
    & skf18("4","3","5","6","3","6","1") = "5"
    & skf18("4","3","5","6","3","7","1") = "6"
    & skf18("4","3","5","6","3","8","1") = "7"
    & skf18("4","3","5","6","3","9","1") = "8"
    & skf18("4","3","5","6","3","10","1") = "9"
    & skf18("4","3","5","6","4","1","1") = "5"
    & skf18("4","3","5","6","4","2","1") = "5"
    & skf18("4","3","5","6","4","3","1") = "5"
    & skf18("4","3","5","6","4","4","1") = "5"
    & skf18("4","3","5","6","4","5","1") = "5"
    & skf18("4","3","5","6","4","6","1") = "5"
    & skf18("4","3","5","6","4","7","1") = "6"
    & skf18("4","3","5","6","4","8","1") = "7"
    & skf18("4","3","5","6","4","9","1") = "8"
    & skf18("4","3","5","6","4","10","1") = "9"
    & skf18("4","3","5","6","5","1","1") = "5"
    & skf18("4","3","5","6","5","2","1") = "5"
    & skf18("4","3","5","6","5","3","1") = "5"
    & skf18("4","3","5","6","5","4","1") = "5"
    & skf18("4","3","5","6","5","5","1") = "5"
    & skf18("4","3","5","6","5","6","1") = "5"
    & skf18("4","3","5","6","5","7","1") = "6"
    & skf18("4","3","5","6","5","8","1") = "7"
    & skf18("4","3","5","6","5","9","1") = "8"
    & skf18("4","3","5","6","5","10","1") = "9"
    & skf18("4","3","5","6","6","1","1") = "5"
    & skf18("4","3","5","6","6","2","1") = "5"
    & skf18("4","3","5","6","6","3","1") = "5"
    & skf18("4","3","5","6","6","4","1") = "5"
    & skf18("4","3","5","6","6","5","1") = "5"
    & skf18("4","3","5","6","6","6","1") = "5"
    & skf18("4","3","5","6","6","7","1") = "6"
    & skf18("4","3","5","6","6","8","1") = "7"
    & skf18("4","3","5","6","6","9","1") = "8"
    & skf18("4","3","5","6","6","10","1") = "9"
    & skf18("4","3","5","6","7","1","1") = "6"
    & skf18("4","3","5","6","7","2","1") = "6"
    & skf18("4","3","5","6","7","3","1") = "6"
    & skf18("4","3","5","6","7","4","1") = "6"
    & skf18("4","3","5","6","7","5","1") = "6"
    & skf18("4","3","5","6","7","6","1") = "6"
    & skf18("4","3","5","6","7","7","1") = "6"
    & skf18("4","3","5","6","7","8","1") = "7"
    & skf18("4","3","5","6","7","9","1") = "8"
    & skf18("4","3","5","6","7","10","1") = "9"
    & skf18("4","3","5","6","8","1","1") = "7"
    & skf18("4","3","5","6","8","2","1") = "7"
    & skf18("4","3","5","6","8","3","1") = "7"
    & skf18("4","3","5","6","8","4","1") = "7"
    & skf18("4","3","5","6","8","5","1") = "7"
    & skf18("4","3","5","6","8","6","1") = "7"
    & skf18("4","3","5","6","8","7","1") = "7"
    & skf18("4","3","5","6","8","8","1") = "7"
    & skf18("4","3","5","6","8","9","1") = "8"
    & skf18("4","3","5","6","8","10","1") = "9"
    & skf18("4","3","5","6","9","1","1") = "8"
    & skf18("4","3","5","6","9","2","1") = "8"
    & skf18("4","3","5","6","9","3","1") = "8"
    & skf18("4","3","5","6","9","4","1") = "8"
    & skf18("4","3","5","6","9","5","1") = "8"
    & skf18("4","3","5","6","9","6","1") = "8"
    & skf18("4","3","5","6","9","7","1") = "8"
    & skf18("4","3","5","6","9","8","1") = "8"
    & skf18("4","3","5","6","9","9","1") = "8"
    & skf18("4","3","5","6","9","10","1") = "9"
    & skf18("4","3","5","6","10","1","1") = "9"
    & skf18("4","3","5","6","10","2","1") = "9"
    & skf18("4","3","5","6","10","3","1") = "9"
    & skf18("4","3","5","6","10","4","1") = "9"
    & skf18("4","3","5","6","10","5","1") = "9"
    & skf18("4","3","5","6","10","6","1") = "9"
    & skf18("4","3","5","6","10","7","1") = "9"
    & skf18("4","3","5","6","10","8","1") = "9"
    & skf18("4","3","5","6","10","9","1") = "9"
    & skf18("4","3","5","6","10","10","1") = "9"
    & skf18("4","3","5","7","1","1","1") = "6"
    & skf18("4","3","5","7","1","2","1") = "6"
    & skf18("4","3","5","7","1","3","1") = "6"
    & skf18("4","3","5","7","1","4","1") = "6"
    & skf18("4","3","5","7","1","5","1") = "6"
    & skf18("4","3","5","7","1","6","1") = "6"
    & skf18("4","3","5","7","1","7","1") = "6"
    & skf18("4","3","5","7","1","8","1") = "7"
    & skf18("4","3","5","7","1","9","1") = "8"
    & skf18("4","3","5","7","1","10","1") = "9"
    & skf18("4","3","5","7","2","1","1") = "6"
    & skf18("4","3","5","7","2","2","1") = "6"
    & skf18("4","3","5","7","2","3","1") = "6"
    & skf18("4","3","5","7","2","4","1") = "6"
    & skf18("4","3","5","7","2","5","1") = "6"
    & skf18("4","3","5","7","2","6","1") = "6"
    & skf18("4","3","5","7","2","7","1") = "6"
    & skf18("4","3","5","7","2","8","1") = "7"
    & skf18("4","3","5","7","2","9","1") = "8"
    & skf18("4","3","5","7","2","10","1") = "9"
    & skf18("4","3","5","7","3","1","1") = "6"
    & skf18("4","3","5","7","3","2","1") = "6"
    & skf18("4","3","5","7","3","3","1") = "6"
    & skf18("4","3","5","7","3","4","1") = "6"
    & skf18("4","3","5","7","3","5","1") = "6"
    & skf18("4","3","5","7","3","6","1") = "6"
    & skf18("4","3","5","7","3","7","1") = "6"
    & skf18("4","3","5","7","3","8","1") = "7"
    & skf18("4","3","5","7","3","9","1") = "8"
    & skf18("4","3","5","7","3","10","1") = "9"
    & skf18("4","3","5","7","4","1","1") = "6"
    & skf18("4","3","5","7","4","2","1") = "6"
    & skf18("4","3","5","7","4","3","1") = "6"
    & skf18("4","3","5","7","4","4","1") = "6"
    & skf18("4","3","5","7","4","5","1") = "6"
    & skf18("4","3","5","7","4","6","1") = "6"
    & skf18("4","3","5","7","4","7","1") = "6"
    & skf18("4","3","5","7","4","8","1") = "7"
    & skf18("4","3","5","7","4","9","1") = "8"
    & skf18("4","3","5","7","4","10","1") = "9"
    & skf18("4","3","5","7","5","1","1") = "6"
    & skf18("4","3","5","7","5","2","1") = "6"
    & skf18("4","3","5","7","5","3","1") = "6"
    & skf18("4","3","5","7","5","4","1") = "6"
    & skf18("4","3","5","7","5","5","1") = "6"
    & skf18("4","3","5","7","5","6","1") = "6"
    & skf18("4","3","5","7","5","7","1") = "6"
    & skf18("4","3","5","7","5","8","1") = "7"
    & skf18("4","3","5","7","5","9","1") = "8"
    & skf18("4","3","5","7","5","10","1") = "9"
    & skf18("4","3","5","7","6","1","1") = "6"
    & skf18("4","3","5","7","6","2","1") = "6"
    & skf18("4","3","5","7","6","3","1") = "6"
    & skf18("4","3","5","7","6","4","1") = "6"
    & skf18("4","3","5","7","6","5","1") = "6"
    & skf18("4","3","5","7","6","6","1") = "6"
    & skf18("4","3","5","7","6","7","1") = "6"
    & skf18("4","3","5","7","6","8","1") = "7"
    & skf18("4","3","5","7","6","9","1") = "8"
    & skf18("4","3","5","7","6","10","1") = "9"
    & skf18("4","3","5","7","7","1","1") = "6"
    & skf18("4","3","5","7","7","2","1") = "6"
    & skf18("4","3","5","7","7","3","1") = "6"
    & skf18("4","3","5","7","7","4","1") = "6"
    & skf18("4","3","5","7","7","5","1") = "6"
    & skf18("4","3","5","7","7","6","1") = "6"
    & skf18("4","3","5","7","7","7","1") = "6"
    & skf18("4","3","5","7","7","8","1") = "7"
    & skf18("4","3","5","7","7","9","1") = "8"
    & skf18("4","3","5","7","7","10","1") = "9"
    & skf18("4","3","5","7","8","1","1") = "7"
    & skf18("4","3","5","7","8","2","1") = "7"
    & skf18("4","3","5","7","8","3","1") = "7"
    & skf18("4","3","5","7","8","4","1") = "7"
    & skf18("4","3","5","7","8","5","1") = "7"
    & skf18("4","3","5","7","8","6","1") = "7"
    & skf18("4","3","5","7","8","7","1") = "7"
    & skf18("4","3","5","7","8","8","1") = "7"
    & skf18("4","3","5","7","8","9","1") = "8"
    & skf18("4","3","5","7","8","10","1") = "9"
    & skf18("4","3","5","7","9","1","1") = "8"
    & skf18("4","3","5","7","9","2","1") = "8"
    & skf18("4","3","5","7","9","3","1") = "8"
    & skf18("4","3","5","7","9","4","1") = "8"
    & skf18("4","3","5","7","9","5","1") = "8"
    & skf18("4","3","5","7","9","6","1") = "8"
    & skf18("4","3","5","7","9","7","1") = "8"
    & skf18("4","3","5","7","9","8","1") = "8"
    & skf18("4","3","5","7","9","9","1") = "8"
    & skf18("4","3","5","7","9","10","1") = "9"
    & skf18("4","3","5","7","10","1","1") = "9"
    & skf18("4","3","5","7","10","2","1") = "9"
    & skf18("4","3","5","7","10","3","1") = "9"
    & skf18("4","3","5","7","10","4","1") = "9"
    & skf18("4","3","5","7","10","5","1") = "9"
    & skf18("4","3","5","7","10","6","1") = "9"
    & skf18("4","3","5","7","10","7","1") = "9"
    & skf18("4","3","5","7","10","8","1") = "9"
    & skf18("4","3","5","7","10","9","1") = "9"
    & skf18("4","3","5","7","10","10","1") = "9"
    & skf18("4","3","5","8","1","1","1") = "7"
    & skf18("4","3","5","8","1","2","1") = "7"
    & skf18("4","3","5","8","1","3","1") = "7"
    & skf18("4","3","5","8","1","4","1") = "7"
    & skf18("4","3","5","8","1","5","1") = "7"
    & skf18("4","3","5","8","1","6","1") = "7"
    & skf18("4","3","5","8","1","7","1") = "7"
    & skf18("4","3","5","8","1","8","1") = "7"
    & skf18("4","3","5","8","1","9","1") = "8"
    & skf18("4","3","5","8","1","10","1") = "9"
    & skf18("4","3","5","8","2","1","1") = "7"
    & skf18("4","3","5","8","2","2","1") = "7"
    & skf18("4","3","5","8","2","3","1") = "7"
    & skf18("4","3","5","8","2","4","1") = "7"
    & skf18("4","3","5","8","2","5","1") = "7"
    & skf18("4","3","5","8","2","6","1") = "7"
    & skf18("4","3","5","8","2","7","1") = "7"
    & skf18("4","3","5","8","2","8","1") = "7"
    & skf18("4","3","5","8","2","9","1") = "8"
    & skf18("4","3","5","8","2","10","1") = "9"
    & skf18("4","3","5","8","3","1","1") = "7"
    & skf18("4","3","5","8","3","2","1") = "7"
    & skf18("4","3","5","8","3","3","1") = "7"
    & skf18("4","3","5","8","3","4","1") = "7"
    & skf18("4","3","5","8","3","5","1") = "7"
    & skf18("4","3","5","8","3","6","1") = "7"
    & skf18("4","3","5","8","3","7","1") = "7"
    & skf18("4","3","5","8","3","8","1") = "7"
    & skf18("4","3","5","8","3","9","1") = "8"
    & skf18("4","3","5","8","3","10","1") = "9"
    & skf18("4","3","5","8","4","1","1") = "7"
    & skf18("4","3","5","8","4","2","1") = "7"
    & skf18("4","3","5","8","4","3","1") = "7"
    & skf18("4","3","5","8","4","4","1") = "7"
    & skf18("4","3","5","8","4","5","1") = "7"
    & skf18("4","3","5","8","4","6","1") = "7"
    & skf18("4","3","5","8","4","7","1") = "7"
    & skf18("4","3","5","8","4","8","1") = "7"
    & skf18("4","3","5","8","4","9","1") = "8"
    & skf18("4","3","5","8","4","10","1") = "9"
    & skf18("4","3","5","8","5","1","1") = "7"
    & skf18("4","3","5","8","5","2","1") = "7"
    & skf18("4","3","5","8","5","3","1") = "7"
    & skf18("4","3","5","8","5","4","1") = "7"
    & skf18("4","3","5","8","5","5","1") = "7"
    & skf18("4","3","5","8","5","6","1") = "7"
    & skf18("4","3","5","8","5","7","1") = "7"
    & skf18("4","3","5","8","5","8","1") = "7"
    & skf18("4","3","5","8","5","9","1") = "8"
    & skf18("4","3","5","8","5","10","1") = "9"
    & skf18("4","3","5","8","6","1","1") = "7"
    & skf18("4","3","5","8","6","2","1") = "7"
    & skf18("4","3","5","8","6","3","1") = "7"
    & skf18("4","3","5","8","6","4","1") = "7"
    & skf18("4","3","5","8","6","5","1") = "7"
    & skf18("4","3","5","8","6","6","1") = "7"
    & skf18("4","3","5","8","6","7","1") = "7"
    & skf18("4","3","5","8","6","8","1") = "7"
    & skf18("4","3","5","8","6","9","1") = "8"
    & skf18("4","3","5","8","6","10","1") = "9"
    & skf18("4","3","5","8","7","1","1") = "7"
    & skf18("4","3","5","8","7","2","1") = "7"
    & skf18("4","3","5","8","7","3","1") = "7"
    & skf18("4","3","5","8","7","4","1") = "7"
    & skf18("4","3","5","8","7","5","1") = "7"
    & skf18("4","3","5","8","7","6","1") = "7"
    & skf18("4","3","5","8","7","7","1") = "7"
    & skf18("4","3","5","8","7","8","1") = "7"
    & skf18("4","3","5","8","7","9","1") = "8"
    & skf18("4","3","5","8","7","10","1") = "9"
    & skf18("4","3","5","8","8","1","1") = "7"
    & skf18("4","3","5","8","8","2","1") = "7"
    & skf18("4","3","5","8","8","3","1") = "7"
    & skf18("4","3","5","8","8","4","1") = "7"
    & skf18("4","3","5","8","8","5","1") = "7"
    & skf18("4","3","5","8","8","6","1") = "7"
    & skf18("4","3","5","8","8","7","1") = "7"
    & skf18("4","3","5","8","8","8","1") = "7"
    & skf18("4","3","5","8","8","9","1") = "8"
    & skf18("4","3","5","8","8","10","1") = "9"
    & skf18("4","3","5","8","9","1","1") = "8"
    & skf18("4","3","5","8","9","2","1") = "8"
    & skf18("4","3","5","8","9","3","1") = "8"
    & skf18("4","3","5","8","9","4","1") = "8"
    & skf18("4","3","5","8","9","5","1") = "8"
    & skf18("4","3","5","8","9","6","1") = "8"
    & skf18("4","3","5","8","9","7","1") = "8"
    & skf18("4","3","5","8","9","8","1") = "8"
    & skf18("4","3","5","8","9","9","1") = "8"
    & skf18("4","3","5","8","9","10","1") = "9"
    & skf18("4","3","5","8","10","1","1") = "9"
    & skf18("4","3","5","8","10","2","1") = "9"
    & skf18("4","3","5","8","10","3","1") = "9"
    & skf18("4","3","5","8","10","4","1") = "9"
    & skf18("4","3","5","8","10","5","1") = "9"
    & skf18("4","3","5","8","10","6","1") = "9"
    & skf18("4","3","5","8","10","7","1") = "9"
    & skf18("4","3","5","8","10","8","1") = "9"
    & skf18("4","3","5","8","10","9","1") = "9"
    & skf18("4","3","5","8","10","10","1") = "9"
    & skf18("4","3","5","9","1","1","1") = "8"
    & skf18("4","3","5","9","1","2","1") = "8"
    & skf18("4","3","5","9","1","3","1") = "8"
    & skf18("4","3","5","9","1","4","1") = "8"
    & skf18("4","3","5","9","1","5","1") = "8"
    & skf18("4","3","5","9","1","6","1") = "8"
    & skf18("4","3","5","9","1","7","1") = "8"
    & skf18("4","3","5","9","1","8","1") = "8"
    & skf18("4","3","5","9","1","9","1") = "8"
    & skf18("4","3","5","9","1","10","1") = "9"
    & skf18("4","3","5","9","2","1","1") = "8"
    & skf18("4","3","5","9","2","2","1") = "8"
    & skf18("4","3","5","9","2","3","1") = "8"
    & skf18("4","3","5","9","2","4","1") = "8"
    & skf18("4","3","5","9","2","5","1") = "8"
    & skf18("4","3","5","9","2","6","1") = "8"
    & skf18("4","3","5","9","2","7","1") = "8"
    & skf18("4","3","5","9","2","8","1") = "8"
    & skf18("4","3","5","9","2","9","1") = "8"
    & skf18("4","3","5","9","2","10","1") = "9"
    & skf18("4","3","5","9","3","1","1") = "8"
    & skf18("4","3","5","9","3","2","1") = "8"
    & skf18("4","3","5","9","3","3","1") = "8"
    & skf18("4","3","5","9","3","4","1") = "8"
    & skf18("4","3","5","9","3","5","1") = "8"
    & skf18("4","3","5","9","3","6","1") = "8"
    & skf18("4","3","5","9","3","7","1") = "8"
    & skf18("4","3","5","9","3","8","1") = "8"
    & skf18("4","3","5","9","3","9","1") = "8"
    & skf18("4","3","5","9","3","10","1") = "9"
    & skf18("4","3","5","9","4","1","1") = "8"
    & skf18("4","3","5","9","4","2","1") = "8"
    & skf18("4","3","5","9","4","3","1") = "8"
    & skf18("4","3","5","9","4","4","1") = "8"
    & skf18("4","3","5","9","4","5","1") = "8"
    & skf18("4","3","5","9","4","6","1") = "8"
    & skf18("4","3","5","9","4","7","1") = "8"
    & skf18("4","3","5","9","4","8","1") = "8"
    & skf18("4","3","5","9","4","9","1") = "8"
    & skf18("4","3","5","9","4","10","1") = "9"
    & skf18("4","3","5","9","5","1","1") = "8"
    & skf18("4","3","5","9","5","2","1") = "8"
    & skf18("4","3","5","9","5","3","1") = "8"
    & skf18("4","3","5","9","5","4","1") = "8"
    & skf18("4","3","5","9","5","5","1") = "8"
    & skf18("4","3","5","9","5","6","1") = "8"
    & skf18("4","3","5","9","5","7","1") = "8"
    & skf18("4","3","5","9","5","8","1") = "8"
    & skf18("4","3","5","9","5","9","1") = "8"
    & skf18("4","3","5","9","5","10","1") = "9"
    & skf18("4","3","5","9","6","1","1") = "8"
    & skf18("4","3","5","9","6","2","1") = "8"
    & skf18("4","3","5","9","6","3","1") = "8"
    & skf18("4","3","5","9","6","4","1") = "8"
    & skf18("4","3","5","9","6","5","1") = "8"
    & skf18("4","3","5","9","6","6","1") = "8"
    & skf18("4","3","5","9","6","7","1") = "8"
    & skf18("4","3","5","9","6","8","1") = "8"
    & skf18("4","3","5","9","6","9","1") = "8"
    & skf18("4","3","5","9","6","10","1") = "9"
    & skf18("4","3","5","9","7","1","1") = "8"
    & skf18("4","3","5","9","7","2","1") = "8"
    & skf18("4","3","5","9","7","3","1") = "8"
    & skf18("4","3","5","9","7","4","1") = "8"
    & skf18("4","3","5","9","7","5","1") = "8"
    & skf18("4","3","5","9","7","6","1") = "8"
    & skf18("4","3","5","9","7","7","1") = "8"
    & skf18("4","3","5","9","7","8","1") = "8"
    & skf18("4","3","5","9","7","9","1") = "8"
    & skf18("4","3","5","9","7","10","1") = "9"
    & skf18("4","3","5","9","8","1","1") = "8"
    & skf18("4","3","5","9","8","2","1") = "8"
    & skf18("4","3","5","9","8","3","1") = "8"
    & skf18("4","3","5","9","8","4","1") = "8"
    & skf18("4","3","5","9","8","5","1") = "8"
    & skf18("4","3","5","9","8","6","1") = "8"
    & skf18("4","3","5","9","8","7","1") = "8"
    & skf18("4","3","5","9","8","8","1") = "8"
    & skf18("4","3","5","9","8","9","1") = "8"
    & skf18("4","3","5","9","8","10","1") = "9"
    & skf18("4","3","5","9","9","1","1") = "8"
    & skf18("4","3","5","9","9","2","1") = "8"
    & skf18("4","3","5","9","9","3","1") = "8"
    & skf18("4","3","5","9","9","4","1") = "8"
    & skf18("4","3","5","9","9","5","1") = "8"
    & skf18("4","3","5","9","9","6","1") = "8"
    & skf18("4","3","5","9","9","7","1") = "8"
    & skf18("4","3","5","9","9","8","1") = "8"
    & skf18("4","3","5","9","9","9","1") = "8"
    & skf18("4","3","5","9","9","10","1") = "9"
    & skf18("4","3","5","9","10","1","1") = "9"
    & skf18("4","3","5","9","10","2","1") = "9"
    & skf18("4","3","5","9","10","3","1") = "9"
    & skf18("4","3","5","9","10","4","1") = "9"
    & skf18("4","3","5","9","10","5","1") = "9"
    & skf18("4","3","5","9","10","6","1") = "9"
    & skf18("4","3","5","9","10","7","1") = "9"
    & skf18("4","3","5","9","10","8","1") = "9"
    & skf18("4","3","5","9","10","9","1") = "9"
    & skf18("4","3","5","9","10","10","1") = "9"
    & skf18("4","3","5","10","1","1","1") = "9"
    & skf18("4","3","5","10","1","2","1") = "9"
    & skf18("4","3","5","10","1","3","1") = "9"
    & skf18("4","3","5","10","1","4","1") = "9"
    & skf18("4","3","5","10","1","5","1") = "9"
    & skf18("4","3","5","10","1","6","1") = "9"
    & skf18("4","3","5","10","1","7","1") = "9"
    & skf18("4","3","5","10","1","8","1") = "9"
    & skf18("4","3","5","10","1","9","1") = "9"
    & skf18("4","3","5","10","1","10","1") = "9"
    & skf18("4","3","5","10","2","1","1") = "9"
    & skf18("4","3","5","10","2","2","1") = "9"
    & skf18("4","3","5","10","2","3","1") = "9"
    & skf18("4","3","5","10","2","4","1") = "9"
    & skf18("4","3","5","10","2","5","1") = "9"
    & skf18("4","3","5","10","2","6","1") = "9"
    & skf18("4","3","5","10","2","7","1") = "9"
    & skf18("4","3","5","10","2","8","1") = "9"
    & skf18("4","3","5","10","2","9","1") = "9"
    & skf18("4","3","5","10","2","10","1") = "9"
    & skf18("4","3","5","10","3","1","1") = "9"
    & skf18("4","3","5","10","3","2","1") = "9"
    & skf18("4","3","5","10","3","3","1") = "9"
    & skf18("4","3","5","10","3","4","1") = "9"
    & skf18("4","3","5","10","3","5","1") = "9"
    & skf18("4","3","5","10","3","6","1") = "9"
    & skf18("4","3","5","10","3","7","1") = "9"
    & skf18("4","3","5","10","3","8","1") = "9"
    & skf18("4","3","5","10","3","9","1") = "9"
    & skf18("4","3","5","10","3","10","1") = "9"
    & skf18("4","3","5","10","4","1","1") = "9"
    & skf18("4","3","5","10","4","2","1") = "9"
    & skf18("4","3","5","10","4","3","1") = "9"
    & skf18("4","3","5","10","4","4","1") = "9"
    & skf18("4","3","5","10","4","5","1") = "9"
    & skf18("4","3","5","10","4","6","1") = "9"
    & skf18("4","3","5","10","4","7","1") = "9"
    & skf18("4","3","5","10","4","8","1") = "9"
    & skf18("4","3","5","10","4","9","1") = "9"
    & skf18("4","3","5","10","4","10","1") = "9"
    & skf18("4","3","5","10","5","1","1") = "9"
    & skf18("4","3","5","10","5","2","1") = "9"
    & skf18("4","3","5","10","5","3","1") = "9"
    & skf18("4","3","5","10","5","4","1") = "9"
    & skf18("4","3","5","10","5","5","1") = "9"
    & skf18("4","3","5","10","5","6","1") = "9"
    & skf18("4","3","5","10","5","7","1") = "9"
    & skf18("4","3","5","10","5","8","1") = "9"
    & skf18("4","3","5","10","5","9","1") = "9"
    & skf18("4","3","5","10","5","10","1") = "9"
    & skf18("4","3","5","10","6","1","1") = "9"
    & skf18("4","3","5","10","6","2","1") = "9"
    & skf18("4","3","5","10","6","3","1") = "9"
    & skf18("4","3","5","10","6","4","1") = "9"
    & skf18("4","3","5","10","6","5","1") = "9"
    & skf18("4","3","5","10","6","6","1") = "9"
    & skf18("4","3","5","10","6","7","1") = "9"
    & skf18("4","3","5","10","6","8","1") = "9"
    & skf18("4","3","5","10","6","9","1") = "9"
    & skf18("4","3","5","10","6","10","1") = "9"
    & skf18("4","3","5","10","7","1","1") = "9"
    & skf18("4","3","5","10","7","2","1") = "9"
    & skf18("4","3","5","10","7","3","1") = "9"
    & skf18("4","3","5","10","7","4","1") = "9"
    & skf18("4","3","5","10","7","5","1") = "9"
    & skf18("4","3","5","10","7","6","1") = "9"
    & skf18("4","3","5","10","7","7","1") = "9"
    & skf18("4","3","5","10","7","8","1") = "9"
    & skf18("4","3","5","10","7","9","1") = "9"
    & skf18("4","3","5","10","7","10","1") = "9"
    & skf18("4","3","5","10","8","1","1") = "9"
    & skf18("4","3","5","10","8","2","1") = "9"
    & skf18("4","3","5","10","8","3","1") = "9"
    & skf18("4","3","5","10","8","4","1") = "9"
    & skf18("4","3","5","10","8","5","1") = "9"
    & skf18("4","3","5","10","8","6","1") = "9"
    & skf18("4","3","5","10","8","7","1") = "9"
    & skf18("4","3","5","10","8","8","1") = "9"
    & skf18("4","3","5","10","8","9","1") = "9"
    & skf18("4","3","5","10","8","10","1") = "9"
    & skf18("4","3","5","10","9","1","1") = "9"
    & skf18("4","3","5","10","9","2","1") = "9"
    & skf18("4","3","5","10","9","3","1") = "9"
    & skf18("4","3","5","10","9","4","1") = "9"
    & skf18("4","3","5","10","9","5","1") = "9"
    & skf18("4","3","5","10","9","6","1") = "9"
    & skf18("4","3","5","10","9","7","1") = "9"
    & skf18("4","3","5","10","9","8","1") = "9"
    & skf18("4","3","5","10","9","9","1") = "9"
    & skf18("4","3","5","10","9","10","1") = "9"
    & skf18("4","3","5","10","10","1","1") = "9"
    & skf18("4","3","5","10","10","2","1") = "9"
    & skf18("4","3","5","10","10","3","1") = "9"
    & skf18("4","3","5","10","10","4","1") = "9"
    & skf18("4","3","5","10","10","5","1") = "9"
    & skf18("4","3","5","10","10","6","1") = "9"
    & skf18("4","3","5","10","10","7","1") = "9"
    & skf18("4","3","5","10","10","8","1") = "9"
    & skf18("4","3","5","10","10","9","1") = "9"
    & skf18("4","3","5","10","10","10","1") = "9"
    & skf18("4","3","6","1","1","1","1") = "5"
    & skf18("4","3","6","1","1","2","1") = "5"
    & skf18("4","3","6","1","1","3","1") = "5"
    & skf18("4","3","6","1","1","4","1") = "5"
    & skf18("4","3","6","1","1","5","1") = "5"
    & skf18("4","3","6","1","1","6","1") = "5"
    & skf18("4","3","6","1","1","7","1") = "6"
    & skf18("4","3","6","1","1","8","1") = "7"
    & skf18("4","3","6","1","1","9","1") = "8"
    & skf18("4","3","6","1","1","10","1") = "9"
    & skf18("4","3","6","1","2","1","1") = "5"
    & skf18("4","3","6","1","2","2","1") = "5"
    & skf18("4","3","6","1","2","3","1") = "5"
    & skf18("4","3","6","1","2","4","1") = "5"
    & skf18("4","3","6","1","2","5","1") = "5"
    & skf18("4","3","6","1","2","6","1") = "5"
    & skf18("4","3","6","1","2","7","1") = "6"
    & skf18("4","3","6","1","2","8","1") = "7"
    & skf18("4","3","6","1","2","9","1") = "8"
    & skf18("4","3","6","1","2","10","1") = "9"
    & skf18("4","3","6","1","3","1","1") = "5"
    & skf18("4","3","6","1","3","2","1") = "5"
    & skf18("4","3","6","1","3","3","1") = "5"
    & skf18("4","3","6","1","3","4","1") = "5"
    & skf18("4","3","6","1","3","5","1") = "5"
    & skf18("4","3","6","1","3","6","1") = "5"
    & skf18("4","3","6","1","3","7","1") = "6"
    & skf18("4","3","6","1","3","8","1") = "7"
    & skf18("4","3","6","1","3","9","1") = "8"
    & skf18("4","3","6","1","3","10","1") = "9"
    & skf18("4","3","6","1","4","1","1") = "5"
    & skf18("4","3","6","1","4","2","1") = "5"
    & skf18("4","3","6","1","4","3","1") = "5"
    & skf18("4","3","6","1","4","4","1") = "5"
    & skf18("4","3","6","1","4","5","1") = "5"
    & skf18("4","3","6","1","4","6","1") = "5"
    & skf18("4","3","6","1","4","7","1") = "6"
    & skf18("4","3","6","1","4","8","1") = "7"
    & skf18("4","3","6","1","4","9","1") = "8"
    & skf18("4","3","6","1","4","10","1") = "9"
    & skf18("4","3","6","1","5","1","1") = "5"
    & skf18("4","3","6","1","5","2","1") = "5"
    & skf18("4","3","6","1","5","3","1") = "5"
    & skf18("4","3","6","1","5","4","1") = "5"
    & skf18("4","3","6","1","5","5","1") = "5"
    & skf18("4","3","6","1","5","6","1") = "5"
    & skf18("4","3","6","1","5","7","1") = "6"
    & skf18("4","3","6","1","5","8","1") = "7"
    & skf18("4","3","6","1","5","9","1") = "8"
    & skf18("4","3","6","1","5","10","1") = "9"
    & skf18("4","3","6","1","6","1","1") = "5"
    & skf18("4","3","6","1","6","2","1") = "5"
    & skf18("4","3","6","1","6","3","1") = "5"
    & skf18("4","3","6","1","6","4","1") = "5"
    & skf18("4","3","6","1","6","5","1") = "5"
    & skf18("4","3","6","1","6","6","1") = "5"
    & skf18("4","3","6","1","6","7","1") = "6"
    & skf18("4","3","6","1","6","8","1") = "7"
    & skf18("4","3","6","1","6","9","1") = "8"
    & skf18("4","3","6","1","6","10","1") = "9"
    & skf18("4","3","6","1","7","1","1") = "6"
    & skf18("4","3","6","1","7","2","1") = "6"
    & skf18("4","3","6","1","7","3","1") = "6"
    & skf18("4","3","6","1","7","4","1") = "6"
    & skf18("4","3","6","1","7","5","1") = "6"
    & skf18("4","3","6","1","7","6","1") = "6"
    & skf18("4","3","6","1","7","7","1") = "6"
    & skf18("4","3","6","1","7","8","1") = "7"
    & skf18("4","3","6","1","7","9","1") = "8"
    & skf18("4","3","6","1","7","10","1") = "9"
    & skf18("4","3","6","1","8","1","1") = "7"
    & skf18("4","3","6","1","8","2","1") = "7"
    & skf18("4","3","6","1","8","3","1") = "7"
    & skf18("4","3","6","1","8","4","1") = "7"
    & skf18("4","3","6","1","8","5","1") = "7"
    & skf18("4","3","6","1","8","6","1") = "7"
    & skf18("4","3","6","1","8","7","1") = "7"
    & skf18("4","3","6","1","8","8","1") = "7"
    & skf18("4","3","6","1","8","9","1") = "8"
    & skf18("4","3","6","1","8","10","1") = "9"
    & skf18("4","3","6","1","9","1","1") = "8"
    & skf18("4","3","6","1","9","2","1") = "8"
    & skf18("4","3","6","1","9","3","1") = "8"
    & skf18("4","3","6","1","9","4","1") = "8"
    & skf18("4","3","6","1","9","5","1") = "8"
    & skf18("4","3","6","1","9","6","1") = "8"
    & skf18("4","3","6","1","9","7","1") = "8"
    & skf18("4","3","6","1","9","8","1") = "8"
    & skf18("4","3","6","1","9","9","1") = "8"
    & skf18("4","3","6","1","9","10","1") = "9"
    & skf18("4","3","6","1","10","1","1") = "9"
    & skf18("4","3","6","1","10","2","1") = "9"
    & skf18("4","3","6","1","10","3","1") = "9"
    & skf18("4","3","6","1","10","4","1") = "9"
    & skf18("4","3","6","1","10","5","1") = "9"
    & skf18("4","3","6","1","10","6","1") = "9"
    & skf18("4","3","6","1","10","7","1") = "9"
    & skf18("4","3","6","1","10","8","1") = "9"
    & skf18("4","3","6","1","10","9","1") = "9"
    & skf18("4","3","6","1","10","10","1") = "9"
    & skf18("4","3","6","2","1","1","1") = "5"
    & skf18("4","3","6","2","1","2","1") = "5"
    & skf18("4","3","6","2","1","3","1") = "5"
    & skf18("4","3","6","2","1","4","1") = "5"
    & skf18("4","3","6","2","1","5","1") = "5"
    & skf18("4","3","6","2","1","6","1") = "5"
    & skf18("4","3","6","2","1","7","1") = "6"
    & skf18("4","3","6","2","1","8","1") = "7"
    & skf18("4","3","6","2","1","9","1") = "8"
    & skf18("4","3","6","2","1","10","1") = "9"
    & skf18("4","3","6","2","2","1","1") = "5"
    & skf18("4","3","6","2","2","2","1") = "5"
    & skf18("4","3","6","2","2","3","1") = "5"
    & skf18("4","3","6","2","2","4","1") = "5"
    & skf18("4","3","6","2","2","5","1") = "5"
    & skf18("4","3","6","2","2","6","1") = "5"
    & skf18("4","3","6","2","2","7","1") = "6"
    & skf18("4","3","6","2","2","8","1") = "7"
    & skf18("4","3","6","2","2","9","1") = "8"
    & skf18("4","3","6","2","2","10","1") = "9"
    & skf18("4","3","6","2","3","1","1") = "5"
    & skf18("4","3","6","2","3","2","1") = "5"
    & skf18("4","3","6","2","3","3","1") = "5"
    & skf18("4","3","6","2","3","4","1") = "5"
    & skf18("4","3","6","2","3","5","1") = "5"
    & skf18("4","3","6","2","3","6","1") = "5"
    & skf18("4","3","6","2","3","7","1") = "6"
    & skf18("4","3","6","2","3","8","1") = "7"
    & skf18("4","3","6","2","3","9","1") = "8"
    & skf18("4","3","6","2","3","10","1") = "9"
    & skf18("4","3","6","2","4","1","1") = "5"
    & skf18("4","3","6","2","4","2","1") = "5"
    & skf18("4","3","6","2","4","3","1") = "5"
    & skf18("4","3","6","2","4","4","1") = "5"
    & skf18("4","3","6","2","4","5","1") = "5"
    & skf18("4","3","6","2","4","6","1") = "5"
    & skf18("4","3","6","2","4","7","1") = "6"
    & skf18("4","3","6","2","4","8","1") = "7"
    & skf18("4","3","6","2","4","9","1") = "8"
    & skf18("4","3","6","2","4","10","1") = "9"
    & skf18("4","3","6","2","5","1","1") = "5"
    & skf18("4","3","6","2","5","2","1") = "5"
    & skf18("4","3","6","2","5","3","1") = "5"
    & skf18("4","3","6","2","5","4","1") = "5"
    & skf18("4","3","6","2","5","5","1") = "5"
    & skf18("4","3","6","2","5","6","1") = "5"
    & skf18("4","3","6","2","5","7","1") = "6"
    & skf18("4","3","6","2","5","8","1") = "7"
    & skf18("4","3","6","2","5","9","1") = "8"
    & skf18("4","3","6","2","5","10","1") = "9"
    & skf18("4","3","6","2","6","1","1") = "5"
    & skf18("4","3","6","2","6","2","1") = "5"
    & skf18("4","3","6","2","6","3","1") = "5"
    & skf18("4","3","6","2","6","4","1") = "5"
    & skf18("4","3","6","2","6","5","1") = "5"
    & skf18("4","3","6","2","6","6","1") = "5"
    & skf18("4","3","6","2","6","7","1") = "6"
    & skf18("4","3","6","2","6","8","1") = "7"
    & skf18("4","3","6","2","6","9","1") = "8"
    & skf18("4","3","6","2","6","10","1") = "9"
    & skf18("4","3","6","2","7","1","1") = "6"
    & skf18("4","3","6","2","7","2","1") = "6"
    & skf18("4","3","6","2","7","3","1") = "6"
    & skf18("4","3","6","2","7","4","1") = "6"
    & skf18("4","3","6","2","7","5","1") = "6"
    & skf18("4","3","6","2","7","6","1") = "6"
    & skf18("4","3","6","2","7","7","1") = "6"
    & skf18("4","3","6","2","7","8","1") = "7"
    & skf18("4","3","6","2","7","9","1") = "8"
    & skf18("4","3","6","2","7","10","1") = "9"
    & skf18("4","3","6","2","8","1","1") = "7"
    & skf18("4","3","6","2","8","2","1") = "7"
    & skf18("4","3","6","2","8","3","1") = "7"
    & skf18("4","3","6","2","8","4","1") = "7"
    & skf18("4","3","6","2","8","5","1") = "7"
    & skf18("4","3","6","2","8","6","1") = "7"
    & skf18("4","3","6","2","8","7","1") = "7"
    & skf18("4","3","6","2","8","8","1") = "7"
    & skf18("4","3","6","2","8","9","1") = "8"
    & skf18("4","3","6","2","8","10","1") = "9"
    & skf18("4","3","6","2","9","1","1") = "8"
    & skf18("4","3","6","2","9","2","1") = "8"
    & skf18("4","3","6","2","9","3","1") = "8"
    & skf18("4","3","6","2","9","4","1") = "8"
    & skf18("4","3","6","2","9","5","1") = "8"
    & skf18("4","3","6","2","9","6","1") = "8"
    & skf18("4","3","6","2","9","7","1") = "8"
    & skf18("4","3","6","2","9","8","1") = "8"
    & skf18("4","3","6","2","9","9","1") = "8"
    & skf18("4","3","6","2","9","10","1") = "9"
    & skf18("4","3","6","2","10","1","1") = "9"
    & skf18("4","3","6","2","10","2","1") = "9"
    & skf18("4","3","6","2","10","3","1") = "9"
    & skf18("4","3","6","2","10","4","1") = "9"
    & skf18("4","3","6","2","10","5","1") = "9"
    & skf18("4","3","6","2","10","6","1") = "9"
    & skf18("4","3","6","2","10","7","1") = "9"
    & skf18("4","3","6","2","10","8","1") = "9"
    & skf18("4","3","6","2","10","9","1") = "9"
    & skf18("4","3","6","2","10","10","1") = "9"
    & skf18("4","3","6","3","1","1","1") = "5"
    & skf18("4","3","6","3","1","2","1") = "5"
    & skf18("4","3","6","3","1","3","1") = "5"
    & skf18("4","3","6","3","1","4","1") = "5"
    & skf18("4","3","6","3","1","5","1") = "5"
    & skf18("4","3","6","3","1","6","1") = "5"
    & skf18("4","3","6","3","1","7","1") = "6"
    & skf18("4","3","6","3","1","8","1") = "7"
    & skf18("4","3","6","3","1","9","1") = "8"
    & skf18("4","3","6","3","1","10","1") = "9"
    & skf18("4","3","6","3","2","1","1") = "5"
    & skf18("4","3","6","3","2","2","1") = "5"
    & skf18("4","3","6","3","2","3","1") = "5"
    & skf18("4","3","6","3","2","4","1") = "5"
    & skf18("4","3","6","3","2","5","1") = "5"
    & skf18("4","3","6","3","2","6","1") = "5"
    & skf18("4","3","6","3","2","7","1") = "6"
    & skf18("4","3","6","3","2","8","1") = "7"
    & skf18("4","3","6","3","2","9","1") = "8"
    & skf18("4","3","6","3","2","10","1") = "9"
    & skf18("4","3","6","3","3","1","1") = "5"
    & skf18("4","3","6","3","3","2","1") = "5"
    & skf18("4","3","6","3","3","3","1") = "5"
    & skf18("4","3","6","3","3","4","1") = "5"
    & skf18("4","3","6","3","3","5","1") = "5"
    & skf18("4","3","6","3","3","6","1") = "5"
    & skf18("4","3","6","3","3","7","1") = "6"
    & skf18("4","3","6","3","3","8","1") = "7"
    & skf18("4","3","6","3","3","9","1") = "8"
    & skf18("4","3","6","3","3","10","1") = "9"
    & skf18("4","3","6","3","4","1","1") = "5"
    & skf18("4","3","6","3","4","2","1") = "5"
    & skf18("4","3","6","3","4","3","1") = "5"
    & skf18("4","3","6","3","4","4","1") = "5"
    & skf18("4","3","6","3","4","5","1") = "5"
    & skf18("4","3","6","3","4","6","1") = "5"
    & skf18("4","3","6","3","4","7","1") = "6"
    & skf18("4","3","6","3","4","8","1") = "7"
    & skf18("4","3","6","3","4","9","1") = "8"
    & skf18("4","3","6","3","4","10","1") = "9"
    & skf18("4","3","6","3","5","1","1") = "5"
    & skf18("4","3","6","3","5","2","1") = "5"
    & skf18("4","3","6","3","5","3","1") = "5"
    & skf18("4","3","6","3","5","4","1") = "5"
    & skf18("4","3","6","3","5","5","1") = "5"
    & skf18("4","3","6","3","5","6","1") = "5"
    & skf18("4","3","6","3","5","7","1") = "6"
    & skf18("4","3","6","3","5","8","1") = "7"
    & skf18("4","3","6","3","5","9","1") = "8"
    & skf18("4","3","6","3","5","10","1") = "9"
    & skf18("4","3","6","3","6","1","1") = "5"
    & skf18("4","3","6","3","6","2","1") = "5"
    & skf18("4","3","6","3","6","3","1") = "5"
    & skf18("4","3","6","3","6","4","1") = "5"
    & skf18("4","3","6","3","6","5","1") = "5"
    & skf18("4","3","6","3","6","6","1") = "5"
    & skf18("4","3","6","3","6","7","1") = "6"
    & skf18("4","3","6","3","6","8","1") = "7"
    & skf18("4","3","6","3","6","9","1") = "8"
    & skf18("4","3","6","3","6","10","1") = "9"
    & skf18("4","3","6","3","7","1","1") = "6"
    & skf18("4","3","6","3","7","2","1") = "6"
    & skf18("4","3","6","3","7","3","1") = "6"
    & skf18("4","3","6","3","7","4","1") = "6"
    & skf18("4","3","6","3","7","5","1") = "6"
    & skf18("4","3","6","3","7","6","1") = "6"
    & skf18("4","3","6","3","7","7","1") = "6"
    & skf18("4","3","6","3","7","8","1") = "7"
    & skf18("4","3","6","3","7","9","1") = "8"
    & skf18("4","3","6","3","7","10","1") = "9"
    & skf18("4","3","6","3","8","1","1") = "7"
    & skf18("4","3","6","3","8","2","1") = "7"
    & skf18("4","3","6","3","8","3","1") = "7"
    & skf18("4","3","6","3","8","4","1") = "7"
    & skf18("4","3","6","3","8","5","1") = "7"
    & skf18("4","3","6","3","8","6","1") = "7"
    & skf18("4","3","6","3","8","7","1") = "7"
    & skf18("4","3","6","3","8","8","1") = "7"
    & skf18("4","3","6","3","8","9","1") = "8"
    & skf18("4","3","6","3","8","10","1") = "9"
    & skf18("4","3","6","3","9","1","1") = "8"
    & skf18("4","3","6","3","9","2","1") = "8"
    & skf18("4","3","6","3","9","3","1") = "8"
    & skf18("4","3","6","3","9","4","1") = "8"
    & skf18("4","3","6","3","9","5","1") = "8"
    & skf18("4","3","6","3","9","6","1") = "8"
    & skf18("4","3","6","3","9","7","1") = "8"
    & skf18("4","3","6","3","9","8","1") = "8"
    & skf18("4","3","6","3","9","9","1") = "8"
    & skf18("4","3","6","3","9","10","1") = "9"
    & skf18("4","3","6","3","10","1","1") = "9"
    & skf18("4","3","6","3","10","2","1") = "9"
    & skf18("4","3","6","3","10","3","1") = "9"
    & skf18("4","3","6","3","10","4","1") = "9"
    & skf18("4","3","6","3","10","5","1") = "9"
    & skf18("4","3","6","3","10","6","1") = "9"
    & skf18("4","3","6","3","10","7","1") = "9"
    & skf18("4","3","6","3","10","8","1") = "9"
    & skf18("4","3","6","3","10","9","1") = "9"
    & skf18("4","3","6","3","10","10","1") = "9"
    & skf18("4","3","6","4","1","1","1") = "5"
    & skf18("4","3","6","4","1","2","1") = "5"
    & skf18("4","3","6","4","1","3","1") = "5"
    & skf18("4","3","6","4","1","4","1") = "5"
    & skf18("4","3","6","4","1","5","1") = "5"
    & skf18("4","3","6","4","1","6","1") = "5"
    & skf18("4","3","6","4","1","7","1") = "6"
    & skf18("4","3","6","4","1","8","1") = "7"
    & skf18("4","3","6","4","1","9","1") = "8"
    & skf18("4","3","6","4","1","10","1") = "9"
    & skf18("4","3","6","4","2","1","1") = "5"
    & skf18("4","3","6","4","2","2","1") = "5"
    & skf18("4","3","6","4","2","3","1") = "5"
    & skf18("4","3","6","4","2","4","1") = "5"
    & skf18("4","3","6","4","2","5","1") = "5"
    & skf18("4","3","6","4","2","6","1") = "5"
    & skf18("4","3","6","4","2","7","1") = "6"
    & skf18("4","3","6","4","2","8","1") = "7"
    & skf18("4","3","6","4","2","9","1") = "8"
    & skf18("4","3","6","4","2","10","1") = "9"
    & skf18("4","3","6","4","3","1","1") = "5"
    & skf18("4","3","6","4","3","2","1") = "5"
    & skf18("4","3","6","4","3","3","1") = "5"
    & skf18("4","3","6","4","3","4","1") = "5"
    & skf18("4","3","6","4","3","5","1") = "5"
    & skf18("4","3","6","4","3","6","1") = "5"
    & skf18("4","3","6","4","3","7","1") = "6"
    & skf18("4","3","6","4","3","8","1") = "7"
    & skf18("4","3","6","4","3","9","1") = "8"
    & skf18("4","3","6","4","3","10","1") = "9"
    & skf18("4","3","6","4","4","1","1") = "5"
    & skf18("4","3","6","4","4","2","1") = "5"
    & skf18("4","3","6","4","4","3","1") = "5"
    & skf18("4","3","6","4","4","4","1") = "5"
    & skf18("4","3","6","4","4","5","1") = "5"
    & skf18("4","3","6","4","4","6","1") = "5"
    & skf18("4","3","6","4","4","7","1") = "6"
    & skf18("4","3","6","4","4","8","1") = "7"
    & skf18("4","3","6","4","4","9","1") = "8"
    & skf18("4","3","6","4","4","10","1") = "9"
    & skf18("4","3","6","4","5","1","1") = "5"
    & skf18("4","3","6","4","5","2","1") = "5"
    & skf18("4","3","6","4","5","3","1") = "5"
    & skf18("4","3","6","4","5","4","1") = "5"
    & skf18("4","3","6","4","5","5","1") = "5"
    & skf18("4","3","6","4","5","6","1") = "5"
    & skf18("4","3","6","4","5","7","1") = "6"
    & skf18("4","3","6","4","5","8","1") = "7"
    & skf18("4","3","6","4","5","9","1") = "8"
    & skf18("4","3","6","4","5","10","1") = "9"
    & skf18("4","3","6","4","6","1","1") = "5"
    & skf18("4","3","6","4","6","2","1") = "5"
    & skf18("4","3","6","4","6","3","1") = "5"
    & skf18("4","3","6","4","6","4","1") = "5"
    & skf18("4","3","6","4","6","5","1") = "5"
    & skf18("4","3","6","4","6","6","1") = "5"
    & skf18("4","3","6","4","6","7","1") = "6"
    & skf18("4","3","6","4","6","8","1") = "7"
    & skf18("4","3","6","4","6","9","1") = "8"
    & skf18("4","3","6","4","6","10","1") = "9"
    & skf18("4","3","6","4","7","1","1") = "6"
    & skf18("4","3","6","4","7","2","1") = "6"
    & skf18("4","3","6","4","7","3","1") = "6"
    & skf18("4","3","6","4","7","4","1") = "6"
    & skf18("4","3","6","4","7","5","1") = "6"
    & skf18("4","3","6","4","7","6","1") = "6"
    & skf18("4","3","6","4","7","7","1") = "6"
    & skf18("4","3","6","4","7","8","1") = "7"
    & skf18("4","3","6","4","7","9","1") = "8"
    & skf18("4","3","6","4","7","10","1") = "9"
    & skf18("4","3","6","4","8","1","1") = "7"
    & skf18("4","3","6","4","8","2","1") = "7"
    & skf18("4","3","6","4","8","3","1") = "7"
    & skf18("4","3","6","4","8","4","1") = "7"
    & skf18("4","3","6","4","8","5","1") = "7"
    & skf18("4","3","6","4","8","6","1") = "7"
    & skf18("4","3","6","4","8","7","1") = "7"
    & skf18("4","3","6","4","8","8","1") = "7"
    & skf18("4","3","6","4","8","9","1") = "8"
    & skf18("4","3","6","4","8","10","1") = "9"
    & skf18("4","3","6","4","9","1","1") = "8"
    & skf18("4","3","6","4","9","2","1") = "8"
    & skf18("4","3","6","4","9","3","1") = "8"
    & skf18("4","3","6","4","9","4","1") = "8"
    & skf18("4","3","6","4","9","5","1") = "8"
    & skf18("4","3","6","4","9","6","1") = "8"
    & skf18("4","3","6","4","9","7","1") = "8"
    & skf18("4","3","6","4","9","8","1") = "8"
    & skf18("4","3","6","4","9","9","1") = "8"
    & skf18("4","3","6","4","9","10","1") = "9"
    & skf18("4","3","6","4","10","1","1") = "9"
    & skf18("4","3","6","4","10","2","1") = "9"
    & skf18("4","3","6","4","10","3","1") = "9"
    & skf18("4","3","6","4","10","4","1") = "9"
    & skf18("4","3","6","4","10","5","1") = "9"
    & skf18("4","3","6","4","10","6","1") = "9"
    & skf18("4","3","6","4","10","7","1") = "9"
    & skf18("4","3","6","4","10","8","1") = "9"
    & skf18("4","3","6","4","10","9","1") = "9"
    & skf18("4","3","6","4","10","10","1") = "9"
    & skf18("4","3","6","5","1","1","1") = "5"
    & skf18("4","3","6","5","1","2","1") = "5"
    & skf18("4","3","6","5","1","3","1") = "5"
    & skf18("4","3","6","5","1","4","1") = "5"
    & skf18("4","3","6","5","1","5","1") = "5"
    & skf18("4","3","6","5","1","6","1") = "5"
    & skf18("4","3","6","5","1","7","1") = "6"
    & skf18("4","3","6","5","1","8","1") = "7"
    & skf18("4","3","6","5","1","9","1") = "8"
    & skf18("4","3","6","5","1","10","1") = "9"
    & skf18("4","3","6","5","2","1","1") = "5"
    & skf18("4","3","6","5","2","2","1") = "5"
    & skf18("4","3","6","5","2","3","1") = "5"
    & skf18("4","3","6","5","2","4","1") = "5"
    & skf18("4","3","6","5","2","5","1") = "5"
    & skf18("4","3","6","5","2","6","1") = "5"
    & skf18("4","3","6","5","2","7","1") = "6"
    & skf18("4","3","6","5","2","8","1") = "7"
    & skf18("4","3","6","5","2","9","1") = "8"
    & skf18("4","3","6","5","2","10","1") = "9"
    & skf18("4","3","6","5","3","1","1") = "5"
    & skf18("4","3","6","5","3","2","1") = "5"
    & skf18("4","3","6","5","3","3","1") = "5"
    & skf18("4","3","6","5","3","4","1") = "5"
    & skf18("4","3","6","5","3","5","1") = "5"
    & skf18("4","3","6","5","3","6","1") = "5"
    & skf18("4","3","6","5","3","7","1") = "6"
    & skf18("4","3","6","5","3","8","1") = "7"
    & skf18("4","3","6","5","3","9","1") = "8"
    & skf18("4","3","6","5","3","10","1") = "9"
    & skf18("4","3","6","5","4","1","1") = "5"
    & skf18("4","3","6","5","4","2","1") = "5"
    & skf18("4","3","6","5","4","3","1") = "5"
    & skf18("4","3","6","5","4","4","1") = "5"
    & skf18("4","3","6","5","4","5","1") = "5"
    & skf18("4","3","6","5","4","6","1") = "5"
    & skf18("4","3","6","5","4","7","1") = "6"
    & skf18("4","3","6","5","4","8","1") = "7"
    & skf18("4","3","6","5","4","9","1") = "8"
    & skf18("4","3","6","5","4","10","1") = "9"
    & skf18("4","3","6","5","5","1","1") = "5"
    & skf18("4","3","6","5","5","2","1") = "5"
    & skf18("4","3","6","5","5","3","1") = "5"
    & skf18("4","3","6","5","5","4","1") = "5"
    & skf18("4","3","6","5","5","5","1") = "5"
    & skf18("4","3","6","5","5","6","1") = "5"
    & skf18("4","3","6","5","5","7","1") = "6"
    & skf18("4","3","6","5","5","8","1") = "7"
    & skf18("4","3","6","5","5","9","1") = "8"
    & skf18("4","3","6","5","5","10","1") = "9"
    & skf18("4","3","6","5","6","1","1") = "5"
    & skf18("4","3","6","5","6","2","1") = "5"
    & skf18("4","3","6","5","6","3","1") = "5"
    & skf18("4","3","6","5","6","4","1") = "5"
    & skf18("4","3","6","5","6","5","1") = "5"
    & skf18("4","3","6","5","6","6","1") = "5"
    & skf18("4","3","6","5","6","7","1") = "6"
    & skf18("4","3","6","5","6","8","1") = "7"
    & skf18("4","3","6","5","6","9","1") = "8"
    & skf18("4","3","6","5","6","10","1") = "9"
    & skf18("4","3","6","5","7","1","1") = "6"
    & skf18("4","3","6","5","7","2","1") = "6"
    & skf18("4","3","6","5","7","3","1") = "6"
    & skf18("4","3","6","5","7","4","1") = "6"
    & skf18("4","3","6","5","7","5","1") = "6"
    & skf18("4","3","6","5","7","6","1") = "6"
    & skf18("4","3","6","5","7","7","1") = "6"
    & skf18("4","3","6","5","7","8","1") = "7"
    & skf18("4","3","6","5","7","9","1") = "8"
    & skf18("4","3","6","5","7","10","1") = "9"
    & skf18("4","3","6","5","8","1","1") = "7"
    & skf18("4","3","6","5","8","2","1") = "7"
    & skf18("4","3","6","5","8","3","1") = "7"
    & skf18("4","3","6","5","8","4","1") = "7"
    & skf18("4","3","6","5","8","5","1") = "7"
    & skf18("4","3","6","5","8","6","1") = "7"
    & skf18("4","3","6","5","8","7","1") = "7"
    & skf18("4","3","6","5","8","8","1") = "7"
    & skf18("4","3","6","5","8","9","1") = "8"
    & skf18("4","3","6","5","8","10","1") = "9"
    & skf18("4","3","6","5","9","1","1") = "8"
    & skf18("4","3","6","5","9","2","1") = "8"
    & skf18("4","3","6","5","9","3","1") = "8"
    & skf18("4","3","6","5","9","4","1") = "8"
    & skf18("4","3","6","5","9","5","1") = "8"
    & skf18("4","3","6","5","9","6","1") = "8"
    & skf18("4","3","6","5","9","7","1") = "8"
    & skf18("4","3","6","5","9","8","1") = "8"
    & skf18("4","3","6","5","9","9","1") = "8"
    & skf18("4","3","6","5","9","10","1") = "9"
    & skf18("4","3","6","5","10","1","1") = "9"
    & skf18("4","3","6","5","10","2","1") = "9"
    & skf18("4","3","6","5","10","3","1") = "9"
    & skf18("4","3","6","5","10","4","1") = "9"
    & skf18("4","3","6","5","10","5","1") = "9"
    & skf18("4","3","6","5","10","6","1") = "9"
    & skf18("4","3","6","5","10","7","1") = "9"
    & skf18("4","3","6","5","10","8","1") = "9"
    & skf18("4","3","6","5","10","9","1") = "9"
    & skf18("4","3","6","5","10","10","1") = "9"
    & skf18("4","3","6","6","1","1","1") = "5"
    & skf18("4","3","6","6","1","2","1") = "5"
    & skf18("4","3","6","6","1","3","1") = "5"
    & skf18("4","3","6","6","1","4","1") = "5"
    & skf18("4","3","6","6","1","5","1") = "5"
    & skf18("4","3","6","6","1","6","1") = "5"
    & skf18("4","3","6","6","1","7","1") = "6"
    & skf18("4","3","6","6","1","8","1") = "7"
    & skf18("4","3","6","6","1","9","1") = "8"
    & skf18("4","3","6","6","1","10","1") = "9"
    & skf18("4","3","6","6","2","1","1") = "5"
    & skf18("4","3","6","6","2","2","1") = "5"
    & skf18("4","3","6","6","2","3","1") = "5"
    & skf18("4","3","6","6","2","4","1") = "5"
    & skf18("4","3","6","6","2","5","1") = "5"
    & skf18("4","3","6","6","2","6","1") = "5"
    & skf18("4","3","6","6","2","7","1") = "6"
    & skf18("4","3","6","6","2","8","1") = "7"
    & skf18("4","3","6","6","2","9","1") = "8"
    & skf18("4","3","6","6","2","10","1") = "9"
    & skf18("4","3","6","6","3","1","1") = "5"
    & skf18("4","3","6","6","3","2","1") = "5"
    & skf18("4","3","6","6","3","3","1") = "5"
    & skf18("4","3","6","6","3","4","1") = "5"
    & skf18("4","3","6","6","3","5","1") = "5"
    & skf18("4","3","6","6","3","6","1") = "5"
    & skf18("4","3","6","6","3","7","1") = "6"
    & skf18("4","3","6","6","3","8","1") = "7"
    & skf18("4","3","6","6","3","9","1") = "8"
    & skf18("4","3","6","6","3","10","1") = "9"
    & skf18("4","3","6","6","4","1","1") = "5"
    & skf18("4","3","6","6","4","2","1") = "5"
    & skf18("4","3","6","6","4","3","1") = "5"
    & skf18("4","3","6","6","4","4","1") = "5"
    & skf18("4","3","6","6","4","5","1") = "5"
    & skf18("4","3","6","6","4","6","1") = "5"
    & skf18("4","3","6","6","4","7","1") = "6"
    & skf18("4","3","6","6","4","8","1") = "7"
    & skf18("4","3","6","6","4","9","1") = "8"
    & skf18("4","3","6","6","4","10","1") = "9"
    & skf18("4","3","6","6","5","1","1") = "5"
    & skf18("4","3","6","6","5","2","1") = "5"
    & skf18("4","3","6","6","5","3","1") = "5"
    & skf18("4","3","6","6","5","4","1") = "5"
    & skf18("4","3","6","6","5","5","1") = "5"
    & skf18("4","3","6","6","5","6","1") = "5"
    & skf18("4","3","6","6","5","7","1") = "6"
    & skf18("4","3","6","6","5","8","1") = "7"
    & skf18("4","3","6","6","5","9","1") = "8"
    & skf18("4","3","6","6","5","10","1") = "9"
    & skf18("4","3","6","6","6","1","1") = "5"
    & skf18("4","3","6","6","6","2","1") = "5"
    & skf18("4","3","6","6","6","3","1") = "5"
    & skf18("4","3","6","6","6","4","1") = "5"
    & skf18("4","3","6","6","6","5","1") = "5"
    & skf18("4","3","6","6","6","6","1") = "5"
    & skf18("4","3","6","6","6","7","1") = "6"
    & skf18("4","3","6","6","6","8","1") = "7"
    & skf18("4","3","6","6","6","9","1") = "8"
    & skf18("4","3","6","6","6","10","1") = "9"
    & skf18("4","3","6","6","7","1","1") = "6"
    & skf18("4","3","6","6","7","2","1") = "6"
    & skf18("4","3","6","6","7","3","1") = "6"
    & skf18("4","3","6","6","7","4","1") = "6"
    & skf18("4","3","6","6","7","5","1") = "6"
    & skf18("4","3","6","6","7","6","1") = "6"
    & skf18("4","3","6","6","7","7","1") = "6"
    & skf18("4","3","6","6","7","8","1") = "7"
    & skf18("4","3","6","6","7","9","1") = "8"
    & skf18("4","3","6","6","7","10","1") = "9"
    & skf18("4","3","6","6","8","1","1") = "7"
    & skf18("4","3","6","6","8","2","1") = "7"
    & skf18("4","3","6","6","8","3","1") = "7"
    & skf18("4","3","6","6","8","4","1") = "7"
    & skf18("4","3","6","6","8","5","1") = "7"
    & skf18("4","3","6","6","8","6","1") = "7"
    & skf18("4","3","6","6","8","7","1") = "7"
    & skf18("4","3","6","6","8","8","1") = "7"
    & skf18("4","3","6","6","8","9","1") = "8"
    & skf18("4","3","6","6","8","10","1") = "9"
    & skf18("4","3","6","6","9","1","1") = "8"
    & skf18("4","3","6","6","9","2","1") = "8"
    & skf18("4","3","6","6","9","3","1") = "8"
    & skf18("4","3","6","6","9","4","1") = "8"
    & skf18("4","3","6","6","9","5","1") = "8"
    & skf18("4","3","6","6","9","6","1") = "8"
    & skf18("4","3","6","6","9","7","1") = "8"
    & skf18("4","3","6","6","9","8","1") = "8"
    & skf18("4","3","6","6","9","9","1") = "8"
    & skf18("4","3","6","6","9","10","1") = "9"
    & skf18("4","3","6","6","10","1","1") = "9"
    & skf18("4","3","6","6","10","2","1") = "9"
    & skf18("4","3","6","6","10","3","1") = "9"
    & skf18("4","3","6","6","10","4","1") = "9"
    & skf18("4","3","6","6","10","5","1") = "9"
    & skf18("4","3","6","6","10","6","1") = "9"
    & skf18("4","3","6","6","10","7","1") = "9"
    & skf18("4","3","6","6","10","8","1") = "9"
    & skf18("4","3","6","6","10","9","1") = "9"
    & skf18("4","3","6","6","10","10","1") = "9"
    & skf18("4","3","6","7","1","1","1") = "6"
    & skf18("4","3","6","7","1","2","1") = "6"
    & skf18("4","3","6","7","1","3","1") = "6"
    & skf18("4","3","6","7","1","4","1") = "6"
    & skf18("4","3","6","7","1","5","1") = "6"
    & skf18("4","3","6","7","1","6","1") = "6"
    & skf18("4","3","6","7","1","7","1") = "6"
    & skf18("4","3","6","7","1","8","1") = "7"
    & skf18("4","3","6","7","1","9","1") = "8"
    & skf18("4","3","6","7","1","10","1") = "9"
    & skf18("4","3","6","7","2","1","1") = "6"
    & skf18("4","3","6","7","2","2","1") = "6"
    & skf18("4","3","6","7","2","3","1") = "6"
    & skf18("4","3","6","7","2","4","1") = "6"
    & skf18("4","3","6","7","2","5","1") = "6"
    & skf18("4","3","6","7","2","6","1") = "6"
    & skf18("4","3","6","7","2","7","1") = "6"
    & skf18("4","3","6","7","2","8","1") = "7"
    & skf18("4","3","6","7","2","9","1") = "8"
    & skf18("4","3","6","7","2","10","1") = "9"
    & skf18("4","3","6","7","3","1","1") = "6"
    & skf18("4","3","6","7","3","2","1") = "6"
    & skf18("4","3","6","7","3","3","1") = "6"
    & skf18("4","3","6","7","3","4","1") = "6"
    & skf18("4","3","6","7","3","5","1") = "6"
    & skf18("4","3","6","7","3","6","1") = "6"
    & skf18("4","3","6","7","3","7","1") = "6"
    & skf18("4","3","6","7","3","8","1") = "7"
    & skf18("4","3","6","7","3","9","1") = "8"
    & skf18("4","3","6","7","3","10","1") = "9"
    & skf18("4","3","6","7","4","1","1") = "6"
    & skf18("4","3","6","7","4","2","1") = "6"
    & skf18("4","3","6","7","4","3","1") = "6"
    & skf18("4","3","6","7","4","4","1") = "6"
    & skf18("4","3","6","7","4","5","1") = "6"
    & skf18("4","3","6","7","4","6","1") = "6"
    & skf18("4","3","6","7","4","7","1") = "6"
    & skf18("4","3","6","7","4","8","1") = "7"
    & skf18("4","3","6","7","4","9","1") = "8"
    & skf18("4","3","6","7","4","10","1") = "9"
    & skf18("4","3","6","7","5","1","1") = "6"
    & skf18("4","3","6","7","5","2","1") = "6"
    & skf18("4","3","6","7","5","3","1") = "6"
    & skf18("4","3","6","7","5","4","1") = "6"
    & skf18("4","3","6","7","5","5","1") = "6"
    & skf18("4","3","6","7","5","6","1") = "6"
    & skf18("4","3","6","7","5","7","1") = "6"
    & skf18("4","3","6","7","5","8","1") = "7"
    & skf18("4","3","6","7","5","9","1") = "8"
    & skf18("4","3","6","7","5","10","1") = "9"
    & skf18("4","3","6","7","6","1","1") = "6"
    & skf18("4","3","6","7","6","2","1") = "6"
    & skf18("4","3","6","7","6","3","1") = "6"
    & skf18("4","3","6","7","6","4","1") = "6"
    & skf18("4","3","6","7","6","5","1") = "6"
    & skf18("4","3","6","7","6","6","1") = "6"
    & skf18("4","3","6","7","6","7","1") = "6"
    & skf18("4","3","6","7","6","8","1") = "7"
    & skf18("4","3","6","7","6","9","1") = "8"
    & skf18("4","3","6","7","6","10","1") = "9"
    & skf18("4","3","6","7","7","1","1") = "6"
    & skf18("4","3","6","7","7","2","1") = "6"
    & skf18("4","3","6","7","7","3","1") = "6"
    & skf18("4","3","6","7","7","4","1") = "6"
    & skf18("4","3","6","7","7","5","1") = "6"
    & skf18("4","3","6","7","7","6","1") = "6"
    & skf18("4","3","6","7","7","7","1") = "6"
    & skf18("4","3","6","7","7","8","1") = "7"
    & skf18("4","3","6","7","7","9","1") = "8"
    & skf18("4","3","6","7","7","10","1") = "9"
    & skf18("4","3","6","7","8","1","1") = "7"
    & skf18("4","3","6","7","8","2","1") = "7"
    & skf18("4","3","6","7","8","3","1") = "7"
    & skf18("4","3","6","7","8","4","1") = "7"
    & skf18("4","3","6","7","8","5","1") = "7"
    & skf18("4","3","6","7","8","6","1") = "7"
    & skf18("4","3","6","7","8","7","1") = "7"
    & skf18("4","3","6","7","8","8","1") = "7"
    & skf18("4","3","6","7","8","9","1") = "8"
    & skf18("4","3","6","7","8","10","1") = "9"
    & skf18("4","3","6","7","9","1","1") = "8"
    & skf18("4","3","6","7","9","2","1") = "8"
    & skf18("4","3","6","7","9","3","1") = "8"
    & skf18("4","3","6","7","9","4","1") = "8"
    & skf18("4","3","6","7","9","5","1") = "8"
    & skf18("4","3","6","7","9","6","1") = "8"
    & skf18("4","3","6","7","9","7","1") = "8"
    & skf18("4","3","6","7","9","8","1") = "8"
    & skf18("4","3","6","7","9","9","1") = "8"
    & skf18("4","3","6","7","9","10","1") = "9"
    & skf18("4","3","6","7","10","1","1") = "9"
    & skf18("4","3","6","7","10","2","1") = "9"
    & skf18("4","3","6","7","10","3","1") = "9"
    & skf18("4","3","6","7","10","4","1") = "9"
    & skf18("4","3","6","7","10","5","1") = "9"
    & skf18("4","3","6","7","10","6","1") = "9"
    & skf18("4","3","6","7","10","7","1") = "9"
    & skf18("4","3","6","7","10","8","1") = "9"
    & skf18("4","3","6","7","10","9","1") = "9"
    & skf18("4","3","6","7","10","10","1") = "9"
    & skf18("4","3","6","8","1","1","1") = "7"
    & skf18("4","3","6","8","1","2","1") = "7"
    & skf18("4","3","6","8","1","3","1") = "7"
    & skf18("4","3","6","8","1","4","1") = "7"
    & skf18("4","3","6","8","1","5","1") = "7"
    & skf18("4","3","6","8","1","6","1") = "7"
    & skf18("4","3","6","8","1","7","1") = "7"
    & skf18("4","3","6","8","1","8","1") = "7"
    & skf18("4","3","6","8","1","9","1") = "8"
    & skf18("4","3","6","8","1","10","1") = "9"
    & skf18("4","3","6","8","2","1","1") = "7"
    & skf18("4","3","6","8","2","2","1") = "7"
    & skf18("4","3","6","8","2","3","1") = "7"
    & skf18("4","3","6","8","2","4","1") = "7"
    & skf18("4","3","6","8","2","5","1") = "7"
    & skf18("4","3","6","8","2","6","1") = "7"
    & skf18("4","3","6","8","2","7","1") = "7"
    & skf18("4","3","6","8","2","8","1") = "7"
    & skf18("4","3","6","8","2","9","1") = "8"
    & skf18("4","3","6","8","2","10","1") = "9"
    & skf18("4","3","6","8","3","1","1") = "7"
    & skf18("4","3","6","8","3","2","1") = "7"
    & skf18("4","3","6","8","3","3","1") = "7"
    & skf18("4","3","6","8","3","4","1") = "7"
    & skf18("4","3","6","8","3","5","1") = "7"
    & skf18("4","3","6","8","3","6","1") = "7"
    & skf18("4","3","6","8","3","7","1") = "7"
    & skf18("4","3","6","8","3","8","1") = "7"
    & skf18("4","3","6","8","3","9","1") = "8"
    & skf18("4","3","6","8","3","10","1") = "9"
    & skf18("4","3","6","8","4","1","1") = "7"
    & skf18("4","3","6","8","4","2","1") = "7"
    & skf18("4","3","6","8","4","3","1") = "7"
    & skf18("4","3","6","8","4","4","1") = "7"
    & skf18("4","3","6","8","4","5","1") = "7"
    & skf18("4","3","6","8","4","6","1") = "7"
    & skf18("4","3","6","8","4","7","1") = "7"
    & skf18("4","3","6","8","4","8","1") = "7"
    & skf18("4","3","6","8","4","9","1") = "8"
    & skf18("4","3","6","8","4","10","1") = "9"
    & skf18("4","3","6","8","5","1","1") = "7"
    & skf18("4","3","6","8","5","2","1") = "7"
    & skf18("4","3","6","8","5","3","1") = "7"
    & skf18("4","3","6","8","5","4","1") = "7"
    & skf18("4","3","6","8","5","5","1") = "7"
    & skf18("4","3","6","8","5","6","1") = "7"
    & skf18("4","3","6","8","5","7","1") = "7"
    & skf18("4","3","6","8","5","8","1") = "7"
    & skf18("4","3","6","8","5","9","1") = "8"
    & skf18("4","3","6","8","5","10","1") = "9"
    & skf18("4","3","6","8","6","1","1") = "7"
    & skf18("4","3","6","8","6","2","1") = "7"
    & skf18("4","3","6","8","6","3","1") = "7"
    & skf18("4","3","6","8","6","4","1") = "7"
    & skf18("4","3","6","8","6","5","1") = "7"
    & skf18("4","3","6","8","6","6","1") = "7"
    & skf18("4","3","6","8","6","7","1") = "7"
    & skf18("4","3","6","8","6","8","1") = "7"
    & skf18("4","3","6","8","6","9","1") = "8"
    & skf18("4","3","6","8","6","10","1") = "9"
    & skf18("4","3","6","8","7","1","1") = "7"
    & skf18("4","3","6","8","7","2","1") = "7"
    & skf18("4","3","6","8","7","3","1") = "7"
    & skf18("4","3","6","8","7","4","1") = "7"
    & skf18("4","3","6","8","7","5","1") = "7"
    & skf18("4","3","6","8","7","6","1") = "7"
    & skf18("4","3","6","8","7","7","1") = "7"
    & skf18("4","3","6","8","7","8","1") = "7"
    & skf18("4","3","6","8","7","9","1") = "8"
    & skf18("4","3","6","8","7","10","1") = "9"
    & skf18("4","3","6","8","8","1","1") = "7"
    & skf18("4","3","6","8","8","2","1") = "7"
    & skf18("4","3","6","8","8","3","1") = "7"
    & skf18("4","3","6","8","8","4","1") = "7"
    & skf18("4","3","6","8","8","5","1") = "7"
    & skf18("4","3","6","8","8","6","1") = "7"
    & skf18("4","3","6","8","8","7","1") = "7"
    & skf18("4","3","6","8","8","8","1") = "7"
    & skf18("4","3","6","8","8","9","1") = "8"
    & skf18("4","3","6","8","8","10","1") = "9"
    & skf18("4","3","6","8","9","1","1") = "8"
    & skf18("4","3","6","8","9","2","1") = "8"
    & skf18("4","3","6","8","9","3","1") = "8"
    & skf18("4","3","6","8","9","4","1") = "8"
    & skf18("4","3","6","8","9","5","1") = "8"
    & skf18("4","3","6","8","9","6","1") = "8"
    & skf18("4","3","6","8","9","7","1") = "8"
    & skf18("4","3","6","8","9","8","1") = "8"
    & skf18("4","3","6","8","9","9","1") = "8"
    & skf18("4","3","6","8","9","10","1") = "9"
    & skf18("4","3","6","8","10","1","1") = "9"
    & skf18("4","3","6","8","10","2","1") = "9"
    & skf18("4","3","6","8","10","3","1") = "9"
    & skf18("4","3","6","8","10","4","1") = "9"
    & skf18("4","3","6","8","10","5","1") = "9"
    & skf18("4","3","6","8","10","6","1") = "9"
    & skf18("4","3","6","8","10","7","1") = "9"
    & skf18("4","3","6","8","10","8","1") = "9"
    & skf18("4","3","6","8","10","9","1") = "9"
    & skf18("4","3","6","8","10","10","1") = "9"
    & skf18("4","3","6","9","1","1","1") = "8"
    & skf18("4","3","6","9","1","2","1") = "8"
    & skf18("4","3","6","9","1","3","1") = "8"
    & skf18("4","3","6","9","1","4","1") = "8"
    & skf18("4","3","6","9","1","5","1") = "8"
    & skf18("4","3","6","9","1","6","1") = "8"
    & skf18("4","3","6","9","1","7","1") = "8"
    & skf18("4","3","6","9","1","8","1") = "8"
    & skf18("4","3","6","9","1","9","1") = "8"
    & skf18("4","3","6","9","1","10","1") = "9"
    & skf18("4","3","6","9","2","1","1") = "8"
    & skf18("4","3","6","9","2","2","1") = "8"
    & skf18("4","3","6","9","2","3","1") = "8"
    & skf18("4","3","6","9","2","4","1") = "8"
    & skf18("4","3","6","9","2","5","1") = "8"
    & skf18("4","3","6","9","2","6","1") = "8"
    & skf18("4","3","6","9","2","7","1") = "8"
    & skf18("4","3","6","9","2","8","1") = "8"
    & skf18("4","3","6","9","2","9","1") = "8"
    & skf18("4","3","6","9","2","10","1") = "9"
    & skf18("4","3","6","9","3","1","1") = "8"
    & skf18("4","3","6","9","3","2","1") = "8"
    & skf18("4","3","6","9","3","3","1") = "8"
    & skf18("4","3","6","9","3","4","1") = "8"
    & skf18("4","3","6","9","3","5","1") = "8"
    & skf18("4","3","6","9","3","6","1") = "8"
    & skf18("4","3","6","9","3","7","1") = "8"
    & skf18("4","3","6","9","3","8","1") = "8"
    & skf18("4","3","6","9","3","9","1") = "8"
    & skf18("4","3","6","9","3","10","1") = "9"
    & skf18("4","3","6","9","4","1","1") = "8"
    & skf18("4","3","6","9","4","2","1") = "8"
    & skf18("4","3","6","9","4","3","1") = "8"
    & skf18("4","3","6","9","4","4","1") = "8"
    & skf18("4","3","6","9","4","5","1") = "8"
    & skf18("4","3","6","9","4","6","1") = "8"
    & skf18("4","3","6","9","4","7","1") = "8"
    & skf18("4","3","6","9","4","8","1") = "8"
    & skf18("4","3","6","9","4","9","1") = "8"
    & skf18("4","3","6","9","4","10","1") = "9"
    & skf18("4","3","6","9","5","1","1") = "8"
    & skf18("4","3","6","9","5","2","1") = "8"
    & skf18("4","3","6","9","5","3","1") = "8"
    & skf18("4","3","6","9","5","4","1") = "8"
    & skf18("4","3","6","9","5","5","1") = "8"
    & skf18("4","3","6","9","5","6","1") = "8"
    & skf18("4","3","6","9","5","7","1") = "8"
    & skf18("4","3","6","9","5","8","1") = "8"
    & skf18("4","3","6","9","5","9","1") = "8"
    & skf18("4","3","6","9","5","10","1") = "9"
    & skf18("4","3","6","9","6","1","1") = "8"
    & skf18("4","3","6","9","6","2","1") = "8"
    & skf18("4","3","6","9","6","3","1") = "8"
    & skf18("4","3","6","9","6","4","1") = "8"
    & skf18("4","3","6","9","6","5","1") = "8"
    & skf18("4","3","6","9","6","6","1") = "8"
    & skf18("4","3","6","9","6","7","1") = "8"
    & skf18("4","3","6","9","6","8","1") = "8"
    & skf18("4","3","6","9","6","9","1") = "8"
    & skf18("4","3","6","9","6","10","1") = "9"
    & skf18("4","3","6","9","7","1","1") = "8"
    & skf18("4","3","6","9","7","2","1") = "8"
    & skf18("4","3","6","9","7","3","1") = "8"
    & skf18("4","3","6","9","7","4","1") = "8"
    & skf18("4","3","6","9","7","5","1") = "8"
    & skf18("4","3","6","9","7","6","1") = "8"
    & skf18("4","3","6","9","7","7","1") = "8"
    & skf18("4","3","6","9","7","8","1") = "8"
    & skf18("4","3","6","9","7","9","1") = "8"
    & skf18("4","3","6","9","7","10","1") = "9"
    & skf18("4","3","6","9","8","1","1") = "8"
    & skf18("4","3","6","9","8","2","1") = "8"
    & skf18("4","3","6","9","8","3","1") = "8"
    & skf18("4","3","6","9","8","4","1") = "8"
    & skf18("4","3","6","9","8","5","1") = "8"
    & skf18("4","3","6","9","8","6","1") = "8"
    & skf18("4","3","6","9","8","7","1") = "8"
    & skf18("4","3","6","9","8","8","1") = "8"
    & skf18("4","3","6","9","8","9","1") = "8"
    & skf18("4","3","6","9","8","10","1") = "9"
    & skf18("4","3","6","9","9","1","1") = "8"
    & skf18("4","3","6","9","9","2","1") = "8"
    & skf18("4","3","6","9","9","3","1") = "8"
    & skf18("4","3","6","9","9","4","1") = "8"
    & skf18("4","3","6","9","9","5","1") = "8"
    & skf18("4","3","6","9","9","6","1") = "8"
    & skf18("4","3","6","9","9","7","1") = "8"
    & skf18("4","3","6","9","9","8","1") = "8"
    & skf18("4","3","6","9","9","9","1") = "8"
    & skf18("4","3","6","9","9","10","1") = "9"
    & skf18("4","3","6","9","10","1","1") = "9"
    & skf18("4","3","6","9","10","2","1") = "9"
    & skf18("4","3","6","9","10","3","1") = "9"
    & skf18("4","3","6","9","10","4","1") = "9"
    & skf18("4","3","6","9","10","5","1") = "9"
    & skf18("4","3","6","9","10","6","1") = "9"
    & skf18("4","3","6","9","10","7","1") = "9"
    & skf18("4","3","6","9","10","8","1") = "9"
    & skf18("4","3","6","9","10","9","1") = "9"
    & skf18("4","3","6","9","10","10","1") = "9"
    & skf18("4","3","6","10","1","1","1") = "9"
    & skf18("4","3","6","10","1","2","1") = "9"
    & skf18("4","3","6","10","1","3","1") = "9"
    & skf18("4","3","6","10","1","4","1") = "9"
    & skf18("4","3","6","10","1","5","1") = "9"
    & skf18("4","3","6","10","1","6","1") = "9"
    & skf18("4","3","6","10","1","7","1") = "9"
    & skf18("4","3","6","10","1","8","1") = "9"
    & skf18("4","3","6","10","1","9","1") = "9"
    & skf18("4","3","6","10","1","10","1") = "9"
    & skf18("4","3","6","10","2","1","1") = "9"
    & skf18("4","3","6","10","2","2","1") = "9"
    & skf18("4","3","6","10","2","3","1") = "9"
    & skf18("4","3","6","10","2","4","1") = "9"
    & skf18("4","3","6","10","2","5","1") = "9"
    & skf18("4","3","6","10","2","6","1") = "9"
    & skf18("4","3","6","10","2","7","1") = "9"
    & skf18("4","3","6","10","2","8","1") = "9"
    & skf18("4","3","6","10","2","9","1") = "9"
    & skf18("4","3","6","10","2","10","1") = "9"
    & skf18("4","3","6","10","3","1","1") = "9"
    & skf18("4","3","6","10","3","2","1") = "9"
    & skf18("4","3","6","10","3","3","1") = "9"
    & skf18("4","3","6","10","3","4","1") = "9"
    & skf18("4","3","6","10","3","5","1") = "9"
    & skf18("4","3","6","10","3","6","1") = "9"
    & skf18("4","3","6","10","3","7","1") = "9"
    & skf18("4","3","6","10","3","8","1") = "9"
    & skf18("4","3","6","10","3","9","1") = "9"
    & skf18("4","3","6","10","3","10","1") = "9"
    & skf18("4","3","6","10","4","1","1") = "9"
    & skf18("4","3","6","10","4","2","1") = "9"
    & skf18("4","3","6","10","4","3","1") = "9"
    & skf18("4","3","6","10","4","4","1") = "9"
    & skf18("4","3","6","10","4","5","1") = "9"
    & skf18("4","3","6","10","4","6","1") = "9"
    & skf18("4","3","6","10","4","7","1") = "9"
    & skf18("4","3","6","10","4","8","1") = "9"
    & skf18("4","3","6","10","4","9","1") = "9"
    & skf18("4","3","6","10","4","10","1") = "9"
    & skf18("4","3","6","10","5","1","1") = "9"
    & skf18("4","3","6","10","5","2","1") = "9"
    & skf18("4","3","6","10","5","3","1") = "9"
    & skf18("4","3","6","10","5","4","1") = "9"
    & skf18("4","3","6","10","5","5","1") = "9"
    & skf18("4","3","6","10","5","6","1") = "9"
    & skf18("4","3","6","10","5","7","1") = "9"
    & skf18("4","3","6","10","5","8","1") = "9"
    & skf18("4","3","6","10","5","9","1") = "9"
    & skf18("4","3","6","10","5","10","1") = "9"
    & skf18("4","3","6","10","6","1","1") = "9"
    & skf18("4","3","6","10","6","2","1") = "9"
    & skf18("4","3","6","10","6","3","1") = "9"
    & skf18("4","3","6","10","6","4","1") = "9"
    & skf18("4","3","6","10","6","5","1") = "9"
    & skf18("4","3","6","10","6","6","1") = "9"
    & skf18("4","3","6","10","6","7","1") = "9"
    & skf18("4","3","6","10","6","8","1") = "9"
    & skf18("4","3","6","10","6","9","1") = "9"
    & skf18("4","3","6","10","6","10","1") = "9"
    & skf18("4","3","6","10","7","1","1") = "9"
    & skf18("4","3","6","10","7","2","1") = "9"
    & skf18("4","3","6","10","7","3","1") = "9"
    & skf18("4","3","6","10","7","4","1") = "9"
    & skf18("4","3","6","10","7","5","1") = "9"
    & skf18("4","3","6","10","7","6","1") = "9"
    & skf18("4","3","6","10","7","7","1") = "9"
    & skf18("4","3","6","10","7","8","1") = "9"
    & skf18("4","3","6","10","7","9","1") = "9"
    & skf18("4","3","6","10","7","10","1") = "9"
    & skf18("4","3","6","10","8","1","1") = "9"
    & skf18("4","3","6","10","8","2","1") = "9"
    & skf18("4","3","6","10","8","3","1") = "9"
    & skf18("4","3","6","10","8","4","1") = "9"
    & skf18("4","3","6","10","8","5","1") = "9"
    & skf18("4","3","6","10","8","6","1") = "9"
    & skf18("4","3","6","10","8","7","1") = "9"
    & skf18("4","3","6","10","8","8","1") = "9"
    & skf18("4","3","6","10","8","9","1") = "9"
    & skf18("4","3","6","10","8","10","1") = "9"
    & skf18("4","3","6","10","9","1","1") = "9"
    & skf18("4","3","6","10","9","2","1") = "9"
    & skf18("4","3","6","10","9","3","1") = "9"
    & skf18("4","3","6","10","9","4","1") = "9"
    & skf18("4","3","6","10","9","5","1") = "9"
    & skf18("4","3","6","10","9","6","1") = "9"
    & skf18("4","3","6","10","9","7","1") = "9"
    & skf18("4","3","6","10","9","8","1") = "9"
    & skf18("4","3","6","10","9","9","1") = "9"
    & skf18("4","3","6","10","9","10","1") = "9"
    & skf18("4","3","6","10","10","1","1") = "9"
    & skf18("4","3","6","10","10","2","1") = "9"
    & skf18("4","3","6","10","10","3","1") = "9"
    & skf18("4","3","6","10","10","4","1") = "9"
    & skf18("4","3","6","10","10","5","1") = "9"
    & skf18("4","3","6","10","10","6","1") = "9"
    & skf18("4","3","6","10","10","7","1") = "9"
    & skf18("4","3","6","10","10","8","1") = "9"
    & skf18("4","3","6","10","10","9","1") = "9"
    & skf18("4","3","6","10","10","10","1") = "9"
    & skf18("4","3","7","1","1","1","1") = "6"
    & skf18("4","3","7","1","1","2","1") = "6"
    & skf18("4","3","7","1","1","3","1") = "6"
    & skf18("4","3","7","1","1","4","1") = "6"
    & skf18("4","3","7","1","1","5","1") = "6"
    & skf18("4","3","7","1","1","6","1") = "6"
    & skf18("4","3","7","1","1","7","1") = "6"
    & skf18("4","3","7","1","1","8","1") = "7"
    & skf18("4","3","7","1","1","9","1") = "8"
    & skf18("4","3","7","1","1","10","1") = "9"
    & skf18("4","3","7","1","2","1","1") = "6"
    & skf18("4","3","7","1","2","2","1") = "6"
    & skf18("4","3","7","1","2","3","1") = "6"
    & skf18("4","3","7","1","2","4","1") = "6"
    & skf18("4","3","7","1","2","5","1") = "6"
    & skf18("4","3","7","1","2","6","1") = "6"
    & skf18("4","3","7","1","2","7","1") = "6"
    & skf18("4","3","7","1","2","8","1") = "7"
    & skf18("4","3","7","1","2","9","1") = "8"
    & skf18("4","3","7","1","2","10","1") = "9"
    & skf18("4","3","7","1","3","1","1") = "6"
    & skf18("4","3","7","1","3","2","1") = "6"
    & skf18("4","3","7","1","3","3","1") = "6"
    & skf18("4","3","7","1","3","4","1") = "6"
    & skf18("4","3","7","1","3","5","1") = "6"
    & skf18("4","3","7","1","3","6","1") = "6"
    & skf18("4","3","7","1","3","7","1") = "6"
    & skf18("4","3","7","1","3","8","1") = "7"
    & skf18("4","3","7","1","3","9","1") = "8"
    & skf18("4","3","7","1","3","10","1") = "9"
    & skf18("4","3","7","1","4","1","1") = "6"
    & skf18("4","3","7","1","4","2","1") = "6"
    & skf18("4","3","7","1","4","3","1") = "6"
    & skf18("4","3","7","1","4","4","1") = "6"
    & skf18("4","3","7","1","4","5","1") = "6"
    & skf18("4","3","7","1","4","6","1") = "6"
    & skf18("4","3","7","1","4","7","1") = "6"
    & skf18("4","3","7","1","4","8","1") = "7"
    & skf18("4","3","7","1","4","9","1") = "8"
    & skf18("4","3","7","1","4","10","1") = "9"
    & skf18("4","3","7","1","5","1","1") = "6"
    & skf18("4","3","7","1","5","2","1") = "6"
    & skf18("4","3","7","1","5","3","1") = "6"
    & skf18("4","3","7","1","5","4","1") = "6"
    & skf18("4","3","7","1","5","5","1") = "6"
    & skf18("4","3","7","1","5","6","1") = "6"
    & skf18("4","3","7","1","5","7","1") = "6"
    & skf18("4","3","7","1","5","8","1") = "7"
    & skf18("4","3","7","1","5","9","1") = "8"
    & skf18("4","3","7","1","5","10","1") = "9"
    & skf18("4","3","7","1","6","1","1") = "6"
    & skf18("4","3","7","1","6","2","1") = "6"
    & skf18("4","3","7","1","6","3","1") = "6"
    & skf18("4","3","7","1","6","4","1") = "6"
    & skf18("4","3","7","1","6","5","1") = "6"
    & skf18("4","3","7","1","6","6","1") = "6"
    & skf18("4","3","7","1","6","7","1") = "6"
    & skf18("4","3","7","1","6","8","1") = "7"
    & skf18("4","3","7","1","6","9","1") = "8"
    & skf18("4","3","7","1","6","10","1") = "9"
    & skf18("4","3","7","1","7","1","1") = "6"
    & skf18("4","3","7","1","7","2","1") = "6"
    & skf18("4","3","7","1","7","3","1") = "6"
    & skf18("4","3","7","1","7","4","1") = "6"
    & skf18("4","3","7","1","7","5","1") = "6"
    & skf18("4","3","7","1","7","6","1") = "6"
    & skf18("4","3","7","1","7","7","1") = "6"
    & skf18("4","3","7","1","7","8","1") = "7"
    & skf18("4","3","7","1","7","9","1") = "8"
    & skf18("4","3","7","1","7","10","1") = "9"
    & skf18("4","3","7","1","8","1","1") = "7"
    & skf18("4","3","7","1","8","2","1") = "7"
    & skf18("4","3","7","1","8","3","1") = "7"
    & skf18("4","3","7","1","8","4","1") = "7"
    & skf18("4","3","7","1","8","5","1") = "7"
    & skf18("4","3","7","1","8","6","1") = "7"
    & skf18("4","3","7","1","8","7","1") = "7"
    & skf18("4","3","7","1","8","8","1") = "7"
    & skf18("4","3","7","1","8","9","1") = "8"
    & skf18("4","3","7","1","8","10","1") = "9"
    & skf18("4","3","7","1","9","1","1") = "8"
    & skf18("4","3","7","1","9","2","1") = "8"
    & skf18("4","3","7","1","9","3","1") = "8"
    & skf18("4","3","7","1","9","4","1") = "8"
    & skf18("4","3","7","1","9","5","1") = "8"
    & skf18("4","3","7","1","9","6","1") = "8"
    & skf18("4","3","7","1","9","7","1") = "8"
    & skf18("4","3","7","1","9","8","1") = "8"
    & skf18("4","3","7","1","9","9","1") = "8"
    & skf18("4","3","7","1","9","10","1") = "9"
    & skf18("4","3","7","1","10","1","1") = "9"
    & skf18("4","3","7","1","10","2","1") = "9"
    & skf18("4","3","7","1","10","3","1") = "9"
    & skf18("4","3","7","1","10","4","1") = "9"
    & skf18("4","3","7","1","10","5","1") = "9"
    & skf18("4","3","7","1","10","6","1") = "9"
    & skf18("4","3","7","1","10","7","1") = "9"
    & skf18("4","3","7","1","10","8","1") = "9"
    & skf18("4","3","7","1","10","9","1") = "9"
    & skf18("4","3","7","1","10","10","1") = "9"
    & skf18("4","3","7","2","1","1","1") = "6"
    & skf18("4","3","7","2","1","2","1") = "6"
    & skf18("4","3","7","2","1","3","1") = "6"
    & skf18("4","3","7","2","1","4","1") = "6"
    & skf18("4","3","7","2","1","5","1") = "6"
    & skf18("4","3","7","2","1","6","1") = "6"
    & skf18("4","3","7","2","1","7","1") = "6"
    & skf18("4","3","7","2","1","8","1") = "7"
    & skf18("4","3","7","2","1","9","1") = "8"
    & skf18("4","3","7","2","1","10","1") = "9"
    & skf18("4","3","7","2","2","1","1") = "6"
    & skf18("4","3","7","2","2","2","1") = "6"
    & skf18("4","3","7","2","2","3","1") = "6"
    & skf18("4","3","7","2","2","4","1") = "6"
    & skf18("4","3","7","2","2","5","1") = "6"
    & skf18("4","3","7","2","2","6","1") = "6"
    & skf18("4","3","7","2","2","7","1") = "6"
    & skf18("4","3","7","2","2","8","1") = "7"
    & skf18("4","3","7","2","2","9","1") = "8"
    & skf18("4","3","7","2","2","10","1") = "9"
    & skf18("4","3","7","2","3","1","1") = "6"
    & skf18("4","3","7","2","3","2","1") = "6"
    & skf18("4","3","7","2","3","3","1") = "6"
    & skf18("4","3","7","2","3","4","1") = "6"
    & skf18("4","3","7","2","3","5","1") = "6"
    & skf18("4","3","7","2","3","6","1") = "6"
    & skf18("4","3","7","2","3","7","1") = "6"
    & skf18("4","3","7","2","3","8","1") = "7"
    & skf18("4","3","7","2","3","9","1") = "8"
    & skf18("4","3","7","2","3","10","1") = "9"
    & skf18("4","3","7","2","4","1","1") = "6"
    & skf18("4","3","7","2","4","2","1") = "6"
    & skf18("4","3","7","2","4","3","1") = "6"
    & skf18("4","3","7","2","4","4","1") = "6"
    & skf18("4","3","7","2","4","5","1") = "6"
    & skf18("4","3","7","2","4","6","1") = "6"
    & skf18("4","3","7","2","4","7","1") = "6"
    & skf18("4","3","7","2","4","8","1") = "7"
    & skf18("4","3","7","2","4","9","1") = "8"
    & skf18("4","3","7","2","4","10","1") = "9"
    & skf18("4","3","7","2","5","1","1") = "6"
    & skf18("4","3","7","2","5","2","1") = "6"
    & skf18("4","3","7","2","5","3","1") = "6"
    & skf18("4","3","7","2","5","4","1") = "6"
    & skf18("4","3","7","2","5","5","1") = "6"
    & skf18("4","3","7","2","5","6","1") = "6"
    & skf18("4","3","7","2","5","7","1") = "6"
    & skf18("4","3","7","2","5","8","1") = "7"
    & skf18("4","3","7","2","5","9","1") = "8"
    & skf18("4","3","7","2","5","10","1") = "9"
    & skf18("4","3","7","2","6","1","1") = "6"
    & skf18("4","3","7","2","6","2","1") = "6"
    & skf18("4","3","7","2","6","3","1") = "6"
    & skf18("4","3","7","2","6","4","1") = "6"
    & skf18("4","3","7","2","6","5","1") = "6"
    & skf18("4","3","7","2","6","6","1") = "6"
    & skf18("4","3","7","2","6","7","1") = "6"
    & skf18("4","3","7","2","6","8","1") = "7"
    & skf18("4","3","7","2","6","9","1") = "8"
    & skf18("4","3","7","2","6","10","1") = "9"
    & skf18("4","3","7","2","7","1","1") = "6"
    & skf18("4","3","7","2","7","2","1") = "6"
    & skf18("4","3","7","2","7","3","1") = "6"
    & skf18("4","3","7","2","7","4","1") = "6"
    & skf18("4","3","7","2","7","5","1") = "6"
    & skf18("4","3","7","2","7","6","1") = "6"
    & skf18("4","3","7","2","7","7","1") = "6"
    & skf18("4","3","7","2","7","8","1") = "7"
    & skf18("4","3","7","2","7","9","1") = "8"
    & skf18("4","3","7","2","7","10","1") = "9"
    & skf18("4","3","7","2","8","1","1") = "7"
    & skf18("4","3","7","2","8","2","1") = "7"
    & skf18("4","3","7","2","8","3","1") = "7"
    & skf18("4","3","7","2","8","4","1") = "7"
    & skf18("4","3","7","2","8","5","1") = "7"
    & skf18("4","3","7","2","8","6","1") = "7"
    & skf18("4","3","7","2","8","7","1") = "7"
    & skf18("4","3","7","2","8","8","1") = "7"
    & skf18("4","3","7","2","8","9","1") = "8"
    & skf18("4","3","7","2","8","10","1") = "9"
    & skf18("4","3","7","2","9","1","1") = "8"
    & skf18("4","3","7","2","9","2","1") = "8"
    & skf18("4","3","7","2","9","3","1") = "8"
    & skf18("4","3","7","2","9","4","1") = "8"
    & skf18("4","3","7","2","9","5","1") = "8"
    & skf18("4","3","7","2","9","6","1") = "8"
    & skf18("4","3","7","2","9","7","1") = "8"
    & skf18("4","3","7","2","9","8","1") = "8"
    & skf18("4","3","7","2","9","9","1") = "8"
    & skf18("4","3","7","2","9","10","1") = "9"
    & skf18("4","3","7","2","10","1","1") = "9"
    & skf18("4","3","7","2","10","2","1") = "9"
    & skf18("4","3","7","2","10","3","1") = "9"
    & skf18("4","3","7","2","10","4","1") = "9"
    & skf18("4","3","7","2","10","5","1") = "9"
    & skf18("4","3","7","2","10","6","1") = "9"
    & skf18("4","3","7","2","10","7","1") = "9"
    & skf18("4","3","7","2","10","8","1") = "9"
    & skf18("4","3","7","2","10","9","1") = "9"
    & skf18("4","3","7","2","10","10","1") = "9"
    & skf18("4","3","7","3","1","1","1") = "6"
    & skf18("4","3","7","3","1","2","1") = "6"
    & skf18("4","3","7","3","1","3","1") = "6"
    & skf18("4","3","7","3","1","4","1") = "6"
    & skf18("4","3","7","3","1","5","1") = "6"
    & skf18("4","3","7","3","1","6","1") = "6"
    & skf18("4","3","7","3","1","7","1") = "6"
    & skf18("4","3","7","3","1","8","1") = "7"
    & skf18("4","3","7","3","1","9","1") = "8"
    & skf18("4","3","7","3","1","10","1") = "9"
    & skf18("4","3","7","3","2","1","1") = "6"
    & skf18("4","3","7","3","2","2","1") = "6"
    & skf18("4","3","7","3","2","3","1") = "6"
    & skf18("4","3","7","3","2","4","1") = "6"
    & skf18("4","3","7","3","2","5","1") = "6"
    & skf18("4","3","7","3","2","6","1") = "6"
    & skf18("4","3","7","3","2","7","1") = "6"
    & skf18("4","3","7","3","2","8","1") = "7"
    & skf18("4","3","7","3","2","9","1") = "8"
    & skf18("4","3","7","3","2","10","1") = "9"
    & skf18("4","3","7","3","3","1","1") = "6"
    & skf18("4","3","7","3","3","2","1") = "6"
    & skf18("4","3","7","3","3","3","1") = "6"
    & skf18("4","3","7","3","3","4","1") = "6"
    & skf18("4","3","7","3","3","5","1") = "6"
    & skf18("4","3","7","3","3","6","1") = "6"
    & skf18("4","3","7","3","3","7","1") = "6"
    & skf18("4","3","7","3","3","8","1") = "7"
    & skf18("4","3","7","3","3","9","1") = "8"
    & skf18("4","3","7","3","3","10","1") = "9"
    & skf18("4","3","7","3","4","1","1") = "6"
    & skf18("4","3","7","3","4","2","1") = "6"
    & skf18("4","3","7","3","4","3","1") = "6"
    & skf18("4","3","7","3","4","4","1") = "6"
    & skf18("4","3","7","3","4","5","1") = "6"
    & skf18("4","3","7","3","4","6","1") = "6"
    & skf18("4","3","7","3","4","7","1") = "6"
    & skf18("4","3","7","3","4","8","1") = "7"
    & skf18("4","3","7","3","4","9","1") = "8"
    & skf18("4","3","7","3","4","10","1") = "9"
    & skf18("4","3","7","3","5","1","1") = "6"
    & skf18("4","3","7","3","5","2","1") = "6"
    & skf18("4","3","7","3","5","3","1") = "6"
    & skf18("4","3","7","3","5","4","1") = "6"
    & skf18("4","3","7","3","5","5","1") = "6"
    & skf18("4","3","7","3","5","6","1") = "6"
    & skf18("4","3","7","3","5","7","1") = "6"
    & skf18("4","3","7","3","5","8","1") = "7"
    & skf18("4","3","7","3","5","9","1") = "8"
    & skf18("4","3","7","3","5","10","1") = "9"
    & skf18("4","3","7","3","6","1","1") = "6"
    & skf18("4","3","7","3","6","2","1") = "6"
    & skf18("4","3","7","3","6","3","1") = "6"
    & skf18("4","3","7","3","6","4","1") = "6"
    & skf18("4","3","7","3","6","5","1") = "6"
    & skf18("4","3","7","3","6","6","1") = "6"
    & skf18("4","3","7","3","6","7","1") = "6"
    & skf18("4","3","7","3","6","8","1") = "7"
    & skf18("4","3","7","3","6","9","1") = "8"
    & skf18("4","3","7","3","6","10","1") = "9"
    & skf18("4","3","7","3","7","1","1") = "6"
    & skf18("4","3","7","3","7","2","1") = "6"
    & skf18("4","3","7","3","7","3","1") = "6"
    & skf18("4","3","7","3","7","4","1") = "6"
    & skf18("4","3","7","3","7","5","1") = "6"
    & skf18("4","3","7","3","7","6","1") = "6"
    & skf18("4","3","7","3","7","7","1") = "6"
    & skf18("4","3","7","3","7","8","1") = "7"
    & skf18("4","3","7","3","7","9","1") = "8"
    & skf18("4","3","7","3","7","10","1") = "9"
    & skf18("4","3","7","3","8","1","1") = "7"
    & skf18("4","3","7","3","8","2","1") = "7"
    & skf18("4","3","7","3","8","3","1") = "7"
    & skf18("4","3","7","3","8","4","1") = "7"
    & skf18("4","3","7","3","8","5","1") = "7"
    & skf18("4","3","7","3","8","6","1") = "7"
    & skf18("4","3","7","3","8","7","1") = "7"
    & skf18("4","3","7","3","8","8","1") = "7"
    & skf18("4","3","7","3","8","9","1") = "8"
    & skf18("4","3","7","3","8","10","1") = "9"
    & skf18("4","3","7","3","9","1","1") = "8"
    & skf18("4","3","7","3","9","2","1") = "8"
    & skf18("4","3","7","3","9","3","1") = "8"
    & skf18("4","3","7","3","9","4","1") = "8"
    & skf18("4","3","7","3","9","5","1") = "8"
    & skf18("4","3","7","3","9","6","1") = "8"
    & skf18("4","3","7","3","9","7","1") = "8"
    & skf18("4","3","7","3","9","8","1") = "8"
    & skf18("4","3","7","3","9","9","1") = "8"
    & skf18("4","3","7","3","9","10","1") = "9"
    & skf18("4","3","7","3","10","1","1") = "9"
    & skf18("4","3","7","3","10","2","1") = "9"
    & skf18("4","3","7","3","10","3","1") = "9"
    & skf18("4","3","7","3","10","4","1") = "9"
    & skf18("4","3","7","3","10","5","1") = "9"
    & skf18("4","3","7","3","10","6","1") = "9"
    & skf18("4","3","7","3","10","7","1") = "9"
    & skf18("4","3","7","3","10","8","1") = "9"
    & skf18("4","3","7","3","10","9","1") = "9"
    & skf18("4","3","7","3","10","10","1") = "9"
    & skf18("4","3","7","4","1","1","1") = "6"
    & skf18("4","3","7","4","1","2","1") = "6"
    & skf18("4","3","7","4","1","3","1") = "6"
    & skf18("4","3","7","4","1","4","1") = "6"
    & skf18("4","3","7","4","1","5","1") = "6"
    & skf18("4","3","7","4","1","6","1") = "6"
    & skf18("4","3","7","4","1","7","1") = "6"
    & skf18("4","3","7","4","1","8","1") = "7"
    & skf18("4","3","7","4","1","9","1") = "8"
    & skf18("4","3","7","4","1","10","1") = "9"
    & skf18("4","3","7","4","2","1","1") = "6"
    & skf18("4","3","7","4","2","2","1") = "6"
    & skf18("4","3","7","4","2","3","1") = "6"
    & skf18("4","3","7","4","2","4","1") = "6"
    & skf18("4","3","7","4","2","5","1") = "6"
    & skf18("4","3","7","4","2","6","1") = "6"
    & skf18("4","3","7","4","2","7","1") = "6"
    & skf18("4","3","7","4","2","8","1") = "7"
    & skf18("4","3","7","4","2","9","1") = "8"
    & skf18("4","3","7","4","2","10","1") = "9"
    & skf18("4","3","7","4","3","1","1") = "6"
    & skf18("4","3","7","4","3","2","1") = "6"
    & skf18("4","3","7","4","3","3","1") = "6"
    & skf18("4","3","7","4","3","4","1") = "6"
    & skf18("4","3","7","4","3","5","1") = "6"
    & skf18("4","3","7","4","3","6","1") = "6"
    & skf18("4","3","7","4","3","7","1") = "6"
    & skf18("4","3","7","4","3","8","1") = "7"
    & skf18("4","3","7","4","3","9","1") = "8"
    & skf18("4","3","7","4","3","10","1") = "9"
    & skf18("4","3","7","4","4","1","1") = "6"
    & skf18("4","3","7","4","4","2","1") = "6"
    & skf18("4","3","7","4","4","3","1") = "6"
    & skf18("4","3","7","4","4","4","1") = "6"
    & skf18("4","3","7","4","4","5","1") = "6"
    & skf18("4","3","7","4","4","6","1") = "6"
    & skf18("4","3","7","4","4","7","1") = "6"
    & skf18("4","3","7","4","4","8","1") = "7"
    & skf18("4","3","7","4","4","9","1") = "8"
    & skf18("4","3","7","4","4","10","1") = "9"
    & skf18("4","3","7","4","5","1","1") = "6"
    & skf18("4","3","7","4","5","2","1") = "6"
    & skf18("4","3","7","4","5","3","1") = "6"
    & skf18("4","3","7","4","5","4","1") = "6"
    & skf18("4","3","7","4","5","5","1") = "6"
    & skf18("4","3","7","4","5","6","1") = "6"
    & skf18("4","3","7","4","5","7","1") = "6"
    & skf18("4","3","7","4","5","8","1") = "7"
    & skf18("4","3","7","4","5","9","1") = "8"
    & skf18("4","3","7","4","5","10","1") = "9"
    & skf18("4","3","7","4","6","1","1") = "6"
    & skf18("4","3","7","4","6","2","1") = "6"
    & skf18("4","3","7","4","6","3","1") = "6"
    & skf18("4","3","7","4","6","4","1") = "6"
    & skf18("4","3","7","4","6","5","1") = "6"
    & skf18("4","3","7","4","6","6","1") = "6"
    & skf18("4","3","7","4","6","7","1") = "6"
    & skf18("4","3","7","4","6","8","1") = "7"
    & skf18("4","3","7","4","6","9","1") = "8"
    & skf18("4","3","7","4","6","10","1") = "9"
    & skf18("4","3","7","4","7","1","1") = "6"
    & skf18("4","3","7","4","7","2","1") = "6"
    & skf18("4","3","7","4","7","3","1") = "6"
    & skf18("4","3","7","4","7","4","1") = "6"
    & skf18("4","3","7","4","7","5","1") = "6"
    & skf18("4","3","7","4","7","6","1") = "6"
    & skf18("4","3","7","4","7","7","1") = "6"
    & skf18("4","3","7","4","7","8","1") = "7"
    & skf18("4","3","7","4","7","9","1") = "8"
    & skf18("4","3","7","4","7","10","1") = "9"
    & skf18("4","3","7","4","8","1","1") = "7"
    & skf18("4","3","7","4","8","2","1") = "7"
    & skf18("4","3","7","4","8","3","1") = "7"
    & skf18("4","3","7","4","8","4","1") = "7"
    & skf18("4","3","7","4","8","5","1") = "7"
    & skf18("4","3","7","4","8","6","1") = "7"
    & skf18("4","3","7","4","8","7","1") = "7"
    & skf18("4","3","7","4","8","8","1") = "7"
    & skf18("4","3","7","4","8","9","1") = "8"
    & skf18("4","3","7","4","8","10","1") = "9"
    & skf18("4","3","7","4","9","1","1") = "8"
    & skf18("4","3","7","4","9","2","1") = "8"
    & skf18("4","3","7","4","9","3","1") = "8"
    & skf18("4","3","7","4","9","4","1") = "8"
    & skf18("4","3","7","4","9","5","1") = "8"
    & skf18("4","3","7","4","9","6","1") = "8"
    & skf18("4","3","7","4","9","7","1") = "8"
    & skf18("4","3","7","4","9","8","1") = "8"
    & skf18("4","3","7","4","9","9","1") = "8"
    & skf18("4","3","7","4","9","10","1") = "9"
    & skf18("4","3","7","4","10","1","1") = "9"
    & skf18("4","3","7","4","10","2","1") = "9"
    & skf18("4","3","7","4","10","3","1") = "9"
    & skf18("4","3","7","4","10","4","1") = "9"
    & skf18("4","3","7","4","10","5","1") = "9"
    & skf18("4","3","7","4","10","6","1") = "9"
    & skf18("4","3","7","4","10","7","1") = "9"
    & skf18("4","3","7","4","10","8","1") = "9"
    & skf18("4","3","7","4","10","9","1") = "9"
    & skf18("4","3","7","4","10","10","1") = "9"
    & skf18("4","3","7","5","1","1","1") = "6"
    & skf18("4","3","7","5","1","2","1") = "6"
    & skf18("4","3","7","5","1","3","1") = "6"
    & skf18("4","3","7","5","1","4","1") = "6"
    & skf18("4","3","7","5","1","5","1") = "6"
    & skf18("4","3","7","5","1","6","1") = "6"
    & skf18("4","3","7","5","1","7","1") = "6"
    & skf18("4","3","7","5","1","8","1") = "7"
    & skf18("4","3","7","5","1","9","1") = "8"
    & skf18("4","3","7","5","1","10","1") = "9"
    & skf18("4","3","7","5","2","1","1") = "6"
    & skf18("4","3","7","5","2","2","1") = "6"
    & skf18("4","3","7","5","2","3","1") = "6"
    & skf18("4","3","7","5","2","4","1") = "6"
    & skf18("4","3","7","5","2","5","1") = "6"
    & skf18("4","3","7","5","2","6","1") = "6"
    & skf18("4","3","7","5","2","7","1") = "6"
    & skf18("4","3","7","5","2","8","1") = "7"
    & skf18("4","3","7","5","2","9","1") = "8"
    & skf18("4","3","7","5","2","10","1") = "9"
    & skf18("4","3","7","5","3","1","1") = "6"
    & skf18("4","3","7","5","3","2","1") = "6"
    & skf18("4","3","7","5","3","3","1") = "6"
    & skf18("4","3","7","5","3","4","1") = "6"
    & skf18("4","3","7","5","3","5","1") = "6"
    & skf18("4","3","7","5","3","6","1") = "6"
    & skf18("4","3","7","5","3","7","1") = "6"
    & skf18("4","3","7","5","3","8","1") = "7"
    & skf18("4","3","7","5","3","9","1") = "8"
    & skf18("4","3","7","5","3","10","1") = "9"
    & skf18("4","3","7","5","4","1","1") = "6"
    & skf18("4","3","7","5","4","2","1") = "6"
    & skf18("4","3","7","5","4","3","1") = "6"
    & skf18("4","3","7","5","4","4","1") = "6"
    & skf18("4","3","7","5","4","5","1") = "6"
    & skf18("4","3","7","5","4","6","1") = "6"
    & skf18("4","3","7","5","4","7","1") = "6"
    & skf18("4","3","7","5","4","8","1") = "7"
    & skf18("4","3","7","5","4","9","1") = "8"
    & skf18("4","3","7","5","4","10","1") = "9"
    & skf18("4","3","7","5","5","1","1") = "6"
    & skf18("4","3","7","5","5","2","1") = "6"
    & skf18("4","3","7","5","5","3","1") = "6"
    & skf18("4","3","7","5","5","4","1") = "6"
    & skf18("4","3","7","5","5","5","1") = "6"
    & skf18("4","3","7","5","5","6","1") = "6"
    & skf18("4","3","7","5","5","7","1") = "6"
    & skf18("4","3","7","5","5","8","1") = "7"
    & skf18("4","3","7","5","5","9","1") = "8"
    & skf18("4","3","7","5","5","10","1") = "9"
    & skf18("4","3","7","5","6","1","1") = "6"
    & skf18("4","3","7","5","6","2","1") = "6"
    & skf18("4","3","7","5","6","3","1") = "6"
    & skf18("4","3","7","5","6","4","1") = "6"
    & skf18("4","3","7","5","6","5","1") = "6"
    & skf18("4","3","7","5","6","6","1") = "6"
    & skf18("4","3","7","5","6","7","1") = "6"
    & skf18("4","3","7","5","6","8","1") = "7"
    & skf18("4","3","7","5","6","9","1") = "8"
    & skf18("4","3","7","5","6","10","1") = "9"
    & skf18("4","3","7","5","7","1","1") = "6"
    & skf18("4","3","7","5","7","2","1") = "6"
    & skf18("4","3","7","5","7","3","1") = "6"
    & skf18("4","3","7","5","7","4","1") = "6"
    & skf18("4","3","7","5","7","5","1") = "6"
    & skf18("4","3","7","5","7","6","1") = "6"
    & skf18("4","3","7","5","7","7","1") = "6"
    & skf18("4","3","7","5","7","8","1") = "7"
    & skf18("4","3","7","5","7","9","1") = "8"
    & skf18("4","3","7","5","7","10","1") = "9"
    & skf18("4","3","7","5","8","1","1") = "7"
    & skf18("4","3","7","5","8","2","1") = "7"
    & skf18("4","3","7","5","8","3","1") = "7"
    & skf18("4","3","7","5","8","4","1") = "7"
    & skf18("4","3","7","5","8","5","1") = "7"
    & skf18("4","3","7","5","8","6","1") = "7"
    & skf18("4","3","7","5","8","7","1") = "7"
    & skf18("4","3","7","5","8","8","1") = "7"
    & skf18("4","3","7","5","8","9","1") = "8"
    & skf18("4","3","7","5","8","10","1") = "9"
    & skf18("4","3","7","5","9","1","1") = "8"
    & skf18("4","3","7","5","9","2","1") = "8"
    & skf18("4","3","7","5","9","3","1") = "8"
    & skf18("4","3","7","5","9","4","1") = "8"
    & skf18("4","3","7","5","9","5","1") = "8"
    & skf18("4","3","7","5","9","6","1") = "8"
    & skf18("4","3","7","5","9","7","1") = "8"
    & skf18("4","3","7","5","9","8","1") = "8"
    & skf18("4","3","7","5","9","9","1") = "8"
    & skf18("4","3","7","5","9","10","1") = "9"
    & skf18("4","3","7","5","10","1","1") = "9"
    & skf18("4","3","7","5","10","2","1") = "9"
    & skf18("4","3","7","5","10","3","1") = "9"
    & skf18("4","3","7","5","10","4","1") = "9"
    & skf18("4","3","7","5","10","5","1") = "9"
    & skf18("4","3","7","5","10","6","1") = "9"
    & skf18("4","3","7","5","10","7","1") = "9"
    & skf18("4","3","7","5","10","8","1") = "9"
    & skf18("4","3","7","5","10","9","1") = "9"
    & skf18("4","3","7","5","10","10","1") = "9"
    & skf18("4","3","7","6","1","1","1") = "6"
    & skf18("4","3","7","6","1","2","1") = "6"
    & skf18("4","3","7","6","1","3","1") = "6"
    & skf18("4","3","7","6","1","4","1") = "6"
    & skf18("4","3","7","6","1","5","1") = "6"
    & skf18("4","3","7","6","1","6","1") = "6"
    & skf18("4","3","7","6","1","7","1") = "6"
    & skf18("4","3","7","6","1","8","1") = "7"
    & skf18("4","3","7","6","1","9","1") = "8"
    & skf18("4","3","7","6","1","10","1") = "9"
    & skf18("4","3","7","6","2","1","1") = "6"
    & skf18("4","3","7","6","2","2","1") = "6"
    & skf18("4","3","7","6","2","3","1") = "6"
    & skf18("4","3","7","6","2","4","1") = "6"
    & skf18("4","3","7","6","2","5","1") = "6"
    & skf18("4","3","7","6","2","6","1") = "6"
    & skf18("4","3","7","6","2","7","1") = "6"
    & skf18("4","3","7","6","2","8","1") = "7"
    & skf18("4","3","7","6","2","9","1") = "8"
    & skf18("4","3","7","6","2","10","1") = "9"
    & skf18("4","3","7","6","3","1","1") = "6"
    & skf18("4","3","7","6","3","2","1") = "6"
    & skf18("4","3","7","6","3","3","1") = "6"
    & skf18("4","3","7","6","3","4","1") = "6"
    & skf18("4","3","7","6","3","5","1") = "6"
    & skf18("4","3","7","6","3","6","1") = "6"
    & skf18("4","3","7","6","3","7","1") = "6"
    & skf18("4","3","7","6","3","8","1") = "7"
    & skf18("4","3","7","6","3","9","1") = "8"
    & skf18("4","3","7","6","3","10","1") = "9"
    & skf18("4","3","7","6","4","1","1") = "6"
    & skf18("4","3","7","6","4","2","1") = "6"
    & skf18("4","3","7","6","4","3","1") = "6"
    & skf18("4","3","7","6","4","4","1") = "6"
    & skf18("4","3","7","6","4","5","1") = "6"
    & skf18("4","3","7","6","4","6","1") = "6"
    & skf18("4","3","7","6","4","7","1") = "6"
    & skf18("4","3","7","6","4","8","1") = "7"
    & skf18("4","3","7","6","4","9","1") = "8"
    & skf18("4","3","7","6","4","10","1") = "9"
    & skf18("4","3","7","6","5","1","1") = "6"
    & skf18("4","3","7","6","5","2","1") = "6"
    & skf18("4","3","7","6","5","3","1") = "6"
    & skf18("4","3","7","6","5","4","1") = "6"
    & skf18("4","3","7","6","5","5","1") = "6"
    & skf18("4","3","7","6","5","6","1") = "6"
    & skf18("4","3","7","6","5","7","1") = "6"
    & skf18("4","3","7","6","5","8","1") = "7"
    & skf18("4","3","7","6","5","9","1") = "8"
    & skf18("4","3","7","6","5","10","1") = "9"
    & skf18("4","3","7","6","6","1","1") = "6"
    & skf18("4","3","7","6","6","2","1") = "6"
    & skf18("4","3","7","6","6","3","1") = "6"
    & skf18("4","3","7","6","6","4","1") = "6"
    & skf18("4","3","7","6","6","5","1") = "6"
    & skf18("4","3","7","6","6","6","1") = "6"
    & skf18("4","3","7","6","6","7","1") = "6"
    & skf18("4","3","7","6","6","8","1") = "7"
    & skf18("4","3","7","6","6","9","1") = "8"
    & skf18("4","3","7","6","6","10","1") = "9"
    & skf18("4","3","7","6","7","1","1") = "6"
    & skf18("4","3","7","6","7","2","1") = "6"
    & skf18("4","3","7","6","7","3","1") = "6"
    & skf18("4","3","7","6","7","4","1") = "6"
    & skf18("4","3","7","6","7","5","1") = "6"
    & skf18("4","3","7","6","7","6","1") = "6"
    & skf18("4","3","7","6","7","7","1") = "6"
    & skf18("4","3","7","6","7","8","1") = "7"
    & skf18("4","3","7","6","7","9","1") = "8"
    & skf18("4","3","7","6","7","10","1") = "9"
    & skf18("4","3","7","6","8","1","1") = "7"
    & skf18("4","3","7","6","8","2","1") = "7"
    & skf18("4","3","7","6","8","3","1") = "7"
    & skf18("4","3","7","6","8","4","1") = "7"
    & skf18("4","3","7","6","8","5","1") = "7"
    & skf18("4","3","7","6","8","6","1") = "7"
    & skf18("4","3","7","6","8","7","1") = "7"
    & skf18("4","3","7","6","8","8","1") = "7"
    & skf18("4","3","7","6","8","9","1") = "8"
    & skf18("4","3","7","6","8","10","1") = "9"
    & skf18("4","3","7","6","9","1","1") = "8"
    & skf18("4","3","7","6","9","2","1") = "8"
    & skf18("4","3","7","6","9","3","1") = "8"
    & skf18("4","3","7","6","9","4","1") = "8"
    & skf18("4","3","7","6","9","5","1") = "8"
    & skf18("4","3","7","6","9","6","1") = "8"
    & skf18("4","3","7","6","9","7","1") = "8"
    & skf18("4","3","7","6","9","8","1") = "8"
    & skf18("4","3","7","6","9","9","1") = "8"
    & skf18("4","3","7","6","9","10","1") = "9"
    & skf18("4","3","7","6","10","1","1") = "9"
    & skf18("4","3","7","6","10","2","1") = "9"
    & skf18("4","3","7","6","10","3","1") = "9"
    & skf18("4","3","7","6","10","4","1") = "9"
    & skf18("4","3","7","6","10","5","1") = "9"
    & skf18("4","3","7","6","10","6","1") = "9"
    & skf18("4","3","7","6","10","7","1") = "9"
    & skf18("4","3","7","6","10","8","1") = "9"
    & skf18("4","3","7","6","10","9","1") = "9"
    & skf18("4","3","7","6","10","10","1") = "9"
    & skf18("4","3","7","7","1","1","1") = "6"
    & skf18("4","3","7","7","1","2","1") = "6"
    & skf18("4","3","7","7","1","3","1") = "6"
    & skf18("4","3","7","7","1","4","1") = "6"
    & skf18("4","3","7","7","1","5","1") = "6"
    & skf18("4","3","7","7","1","6","1") = "6"
    & skf18("4","3","7","7","1","7","1") = "6"
    & skf18("4","3","7","7","1","8","1") = "7"
    & skf18("4","3","7","7","1","9","1") = "8"
    & skf18("4","3","7","7","1","10","1") = "9"
    & skf18("4","3","7","7","2","1","1") = "6"
    & skf18("4","3","7","7","2","2","1") = "6"
    & skf18("4","3","7","7","2","3","1") = "6"
    & skf18("4","3","7","7","2","4","1") = "6"
    & skf18("4","3","7","7","2","5","1") = "6"
    & skf18("4","3","7","7","2","6","1") = "6"
    & skf18("4","3","7","7","2","7","1") = "6"
    & skf18("4","3","7","7","2","8","1") = "7"
    & skf18("4","3","7","7","2","9","1") = "8"
    & skf18("4","3","7","7","2","10","1") = "9"
    & skf18("4","3","7","7","3","1","1") = "6"
    & skf18("4","3","7","7","3","2","1") = "6"
    & skf18("4","3","7","7","3","3","1") = "6"
    & skf18("4","3","7","7","3","4","1") = "6"
    & skf18("4","3","7","7","3","5","1") = "6"
    & skf18("4","3","7","7","3","6","1") = "6"
    & skf18("4","3","7","7","3","7","1") = "6"
    & skf18("4","3","7","7","3","8","1") = "7"
    & skf18("4","3","7","7","3","9","1") = "8"
    & skf18("4","3","7","7","3","10","1") = "9"
    & skf18("4","3","7","7","4","1","1") = "6"
    & skf18("4","3","7","7","4","2","1") = "6"
    & skf18("4","3","7","7","4","3","1") = "6"
    & skf18("4","3","7","7","4","4","1") = "6"
    & skf18("4","3","7","7","4","5","1") = "6"
    & skf18("4","3","7","7","4","6","1") = "6"
    & skf18("4","3","7","7","4","7","1") = "6"
    & skf18("4","3","7","7","4","8","1") = "7"
    & skf18("4","3","7","7","4","9","1") = "8"
    & skf18("4","3","7","7","4","10","1") = "9"
    & skf18("4","3","7","7","5","1","1") = "6"
    & skf18("4","3","7","7","5","2","1") = "6"
    & skf18("4","3","7","7","5","3","1") = "6"
    & skf18("4","3","7","7","5","4","1") = "6"
    & skf18("4","3","7","7","5","5","1") = "6"
    & skf18("4","3","7","7","5","6","1") = "6"
    & skf18("4","3","7","7","5","7","1") = "6"
    & skf18("4","3","7","7","5","8","1") = "7"
    & skf18("4","3","7","7","5","9","1") = "8"
    & skf18("4","3","7","7","5","10","1") = "9"
    & skf18("4","3","7","7","6","1","1") = "6"
    & skf18("4","3","7","7","6","2","1") = "6"
    & skf18("4","3","7","7","6","3","1") = "6"
    & skf18("4","3","7","7","6","4","1") = "6"
    & skf18("4","3","7","7","6","5","1") = "6"
    & skf18("4","3","7","7","6","6","1") = "6"
    & skf18("4","3","7","7","6","7","1") = "6"
    & skf18("4","3","7","7","6","8","1") = "7"
    & skf18("4","3","7","7","6","9","1") = "8"
    & skf18("4","3","7","7","6","10","1") = "9"
    & skf18("4","3","7","7","7","1","1") = "6"
    & skf18("4","3","7","7","7","2","1") = "6"
    & skf18("4","3","7","7","7","3","1") = "6"
    & skf18("4","3","7","7","7","4","1") = "6"
    & skf18("4","3","7","7","7","5","1") = "6"
    & skf18("4","3","7","7","7","6","1") = "6"
    & skf18("4","3","7","7","7","7","1") = "6"
    & skf18("4","3","7","7","7","8","1") = "7"
    & skf18("4","3","7","7","7","9","1") = "8"
    & skf18("4","3","7","7","7","10","1") = "9"
    & skf18("4","3","7","7","8","1","1") = "7"
    & skf18("4","3","7","7","8","2","1") = "7"
    & skf18("4","3","7","7","8","3","1") = "7"
    & skf18("4","3","7","7","8","4","1") = "7"
    & skf18("4","3","7","7","8","5","1") = "7"
    & skf18("4","3","7","7","8","6","1") = "7"
    & skf18("4","3","7","7","8","7","1") = "7"
    & skf18("4","3","7","7","8","8","1") = "7"
    & skf18("4","3","7","7","8","9","1") = "8"
    & skf18("4","3","7","7","8","10","1") = "9"
    & skf18("4","3","7","7","9","1","1") = "8"
    & skf18("4","3","7","7","9","2","1") = "8"
    & skf18("4","3","7","7","9","3","1") = "8"
    & skf18("4","3","7","7","9","4","1") = "8"
    & skf18("4","3","7","7","9","5","1") = "8"
    & skf18("4","3","7","7","9","6","1") = "8"
    & skf18("4","3","7","7","9","7","1") = "8"
    & skf18("4","3","7","7","9","8","1") = "8"
    & skf18("4","3","7","7","9","9","1") = "8"
    & skf18("4","3","7","7","9","10","1") = "9"
    & skf18("4","3","7","7","10","1","1") = "9"
    & skf18("4","3","7","7","10","2","1") = "9"
    & skf18("4","3","7","7","10","3","1") = "9"
    & skf18("4","3","7","7","10","4","1") = "9"
    & skf18("4","3","7","7","10","5","1") = "9"
    & skf18("4","3","7","7","10","6","1") = "9"
    & skf18("4","3","7","7","10","7","1") = "9"
    & skf18("4","3","7","7","10","8","1") = "9"
    & skf18("4","3","7","7","10","9","1") = "9"
    & skf18("4","3","7","7","10","10","1") = "9"
    & skf18("4","3","7","8","1","1","1") = "7"
    & skf18("4","3","7","8","1","2","1") = "7"
    & skf18("4","3","7","8","1","3","1") = "7"
    & skf18("4","3","7","8","1","4","1") = "7"
    & skf18("4","3","7","8","1","5","1") = "7"
    & skf18("4","3","7","8","1","6","1") = "7"
    & skf18("4","3","7","8","1","7","1") = "7"
    & skf18("4","3","7","8","1","8","1") = "7"
    & skf18("4","3","7","8","1","9","1") = "8"
    & skf18("4","3","7","8","1","10","1") = "9"
    & skf18("4","3","7","8","2","1","1") = "7"
    & skf18("4","3","7","8","2","2","1") = "7"
    & skf18("4","3","7","8","2","3","1") = "7"
    & skf18("4","3","7","8","2","4","1") = "7"
    & skf18("4","3","7","8","2","5","1") = "7"
    & skf18("4","3","7","8","2","6","1") = "7"
    & skf18("4","3","7","8","2","7","1") = "7"
    & skf18("4","3","7","8","2","8","1") = "7"
    & skf18("4","3","7","8","2","9","1") = "8"
    & skf18("4","3","7","8","2","10","1") = "9"
    & skf18("4","3","7","8","3","1","1") = "7"
    & skf18("4","3","7","8","3","2","1") = "7"
    & skf18("4","3","7","8","3","3","1") = "7"
    & skf18("4","3","7","8","3","4","1") = "7"
    & skf18("4","3","7","8","3","5","1") = "7"
    & skf18("4","3","7","8","3","6","1") = "7"
    & skf18("4","3","7","8","3","7","1") = "7"
    & skf18("4","3","7","8","3","8","1") = "7"
    & skf18("4","3","7","8","3","9","1") = "8"
    & skf18("4","3","7","8","3","10","1") = "9"
    & skf18("4","3","7","8","4","1","1") = "7"
    & skf18("4","3","7","8","4","2","1") = "7"
    & skf18("4","3","7","8","4","3","1") = "7"
    & skf18("4","3","7","8","4","4","1") = "7"
    & skf18("4","3","7","8","4","5","1") = "7"
    & skf18("4","3","7","8","4","6","1") = "7"
    & skf18("4","3","7","8","4","7","1") = "7"
    & skf18("4","3","7","8","4","8","1") = "7"
    & skf18("4","3","7","8","4","9","1") = "8"
    & skf18("4","3","7","8","4","10","1") = "9"
    & skf18("4","3","7","8","5","1","1") = "7"
    & skf18("4","3","7","8","5","2","1") = "7"
    & skf18("4","3","7","8","5","3","1") = "7"
    & skf18("4","3","7","8","5","4","1") = "7"
    & skf18("4","3","7","8","5","5","1") = "7"
    & skf18("4","3","7","8","5","6","1") = "7"
    & skf18("4","3","7","8","5","7","1") = "7"
    & skf18("4","3","7","8","5","8","1") = "7"
    & skf18("4","3","7","8","5","9","1") = "8"
    & skf18("4","3","7","8","5","10","1") = "9"
    & skf18("4","3","7","8","6","1","1") = "7"
    & skf18("4","3","7","8","6","2","1") = "7"
    & skf18("4","3","7","8","6","3","1") = "7"
    & skf18("4","3","7","8","6","4","1") = "7"
    & skf18("4","3","7","8","6","5","1") = "7"
    & skf18("4","3","7","8","6","6","1") = "7"
    & skf18("4","3","7","8","6","7","1") = "7"
    & skf18("4","3","7","8","6","8","1") = "7"
    & skf18("4","3","7","8","6","9","1") = "8"
    & skf18("4","3","7","8","6","10","1") = "9"
    & skf18("4","3","7","8","7","1","1") = "7"
    & skf18("4","3","7","8","7","2","1") = "7"
    & skf18("4","3","7","8","7","3","1") = "7"
    & skf18("4","3","7","8","7","4","1") = "7"
    & skf18("4","3","7","8","7","5","1") = "7"
    & skf18("4","3","7","8","7","6","1") = "7"
    & skf18("4","3","7","8","7","7","1") = "7"
    & skf18("4","3","7","8","7","8","1") = "7"
    & skf18("4","3","7","8","7","9","1") = "8"
    & skf18("4","3","7","8","7","10","1") = "9"
    & skf18("4","3","7","8","8","1","1") = "7"
    & skf18("4","3","7","8","8","2","1") = "7"
    & skf18("4","3","7","8","8","3","1") = "7"
    & skf18("4","3","7","8","8","4","1") = "7"
    & skf18("4","3","7","8","8","5","1") = "7"
    & skf18("4","3","7","8","8","6","1") = "7"
    & skf18("4","3","7","8","8","7","1") = "7"
    & skf18("4","3","7","8","8","8","1") = "7"
    & skf18("4","3","7","8","8","9","1") = "8"
    & skf18("4","3","7","8","8","10","1") = "9"
    & skf18("4","3","7","8","9","1","1") = "8"
    & skf18("4","3","7","8","9","2","1") = "8"
    & skf18("4","3","7","8","9","3","1") = "8"
    & skf18("4","3","7","8","9","4","1") = "8"
    & skf18("4","3","7","8","9","5","1") = "8"
    & skf18("4","3","7","8","9","6","1") = "8"
    & skf18("4","3","7","8","9","7","1") = "8"
    & skf18("4","3","7","8","9","8","1") = "8"
    & skf18("4","3","7","8","9","9","1") = "8"
    & skf18("4","3","7","8","9","10","1") = "9"
    & skf18("4","3","7","8","10","1","1") = "9"
    & skf18("4","3","7","8","10","2","1") = "9"
    & skf18("4","3","7","8","10","3","1") = "9"
    & skf18("4","3","7","8","10","4","1") = "9"
    & skf18("4","3","7","8","10","5","1") = "9"
    & skf18("4","3","7","8","10","6","1") = "9"
    & skf18("4","3","7","8","10","7","1") = "9"
    & skf18("4","3","7","8","10","8","1") = "9"
    & skf18("4","3","7","8","10","9","1") = "9"
    & skf18("4","3","7","8","10","10","1") = "9"
    & skf18("4","3","7","9","1","1","1") = "8"
    & skf18("4","3","7","9","1","2","1") = "8"
    & skf18("4","3","7","9","1","3","1") = "8"
    & skf18("4","3","7","9","1","4","1") = "8"
    & skf18("4","3","7","9","1","5","1") = "8"
    & skf18("4","3","7","9","1","6","1") = "8"
    & skf18("4","3","7","9","1","7","1") = "8"
    & skf18("4","3","7","9","1","8","1") = "8"
    & skf18("4","3","7","9","1","9","1") = "8"
    & skf18("4","3","7","9","1","10","1") = "9"
    & skf18("4","3","7","9","2","1","1") = "8"
    & skf18("4","3","7","9","2","2","1") = "8"
    & skf18("4","3","7","9","2","3","1") = "8"
    & skf18("4","3","7","9","2","4","1") = "8"
    & skf18("4","3","7","9","2","5","1") = "8"
    & skf18("4","3","7","9","2","6","1") = "8"
    & skf18("4","3","7","9","2","7","1") = "8"
    & skf18("4","3","7","9","2","8","1") = "8"
    & skf18("4","3","7","9","2","9","1") = "8"
    & skf18("4","3","7","9","2","10","1") = "9"
    & skf18("4","3","7","9","3","1","1") = "8"
    & skf18("4","3","7","9","3","2","1") = "8"
    & skf18("4","3","7","9","3","3","1") = "8"
    & skf18("4","3","7","9","3","4","1") = "8"
    & skf18("4","3","7","9","3","5","1") = "8"
    & skf18("4","3","7","9","3","6","1") = "8"
    & skf18("4","3","7","9","3","7","1") = "8"
    & skf18("4","3","7","9","3","8","1") = "8"
    & skf18("4","3","7","9","3","9","1") = "8"
    & skf18("4","3","7","9","3","10","1") = "9"
    & skf18("4","3","7","9","4","1","1") = "8"
    & skf18("4","3","7","9","4","2","1") = "8"
    & skf18("4","3","7","9","4","3","1") = "8"
    & skf18("4","3","7","9","4","4","1") = "8"
    & skf18("4","3","7","9","4","5","1") = "8"
    & skf18("4","3","7","9","4","6","1") = "8"
    & skf18("4","3","7","9","4","7","1") = "8"
    & skf18("4","3","7","9","4","8","1") = "8"
    & skf18("4","3","7","9","4","9","1") = "8"
    & skf18("4","3","7","9","4","10","1") = "9"
    & skf18("4","3","7","9","5","1","1") = "8"
    & skf18("4","3","7","9","5","2","1") = "8"
    & skf18("4","3","7","9","5","3","1") = "8"
    & skf18("4","3","7","9","5","4","1") = "8"
    & skf18("4","3","7","9","5","5","1") = "8"
    & skf18("4","3","7","9","5","6","1") = "8"
    & skf18("4","3","7","9","5","7","1") = "8"
    & skf18("4","3","7","9","5","8","1") = "8"
    & skf18("4","3","7","9","5","9","1") = "8"
    & skf18("4","3","7","9","5","10","1") = "9"
    & skf18("4","3","7","9","6","1","1") = "8"
    & skf18("4","3","7","9","6","2","1") = "8"
    & skf18("4","3","7","9","6","3","1") = "8"
    & skf18("4","3","7","9","6","4","1") = "8"
    & skf18("4","3","7","9","6","5","1") = "8"
    & skf18("4","3","7","9","6","6","1") = "8"
    & skf18("4","3","7","9","6","7","1") = "8"
    & skf18("4","3","7","9","6","8","1") = "8"
    & skf18("4","3","7","9","6","9","1") = "8"
    & skf18("4","3","7","9","6","10","1") = "9"
    & skf18("4","3","7","9","7","1","1") = "8"
    & skf18("4","3","7","9","7","2","1") = "8"
    & skf18("4","3","7","9","7","3","1") = "8"
    & skf18("4","3","7","9","7","4","1") = "8"
    & skf18("4","3","7","9","7","5","1") = "8"
    & skf18("4","3","7","9","7","6","1") = "8"
    & skf18("4","3","7","9","7","7","1") = "8"
    & skf18("4","3","7","9","7","8","1") = "8"
    & skf18("4","3","7","9","7","9","1") = "8"
    & skf18("4","3","7","9","7","10","1") = "9"
    & skf18("4","3","7","9","8","1","1") = "8"
    & skf18("4","3","7","9","8","2","1") = "8"
    & skf18("4","3","7","9","8","3","1") = "8"
    & skf18("4","3","7","9","8","4","1") = "8"
    & skf18("4","3","7","9","8","5","1") = "8"
    & skf18("4","3","7","9","8","6","1") = "8"
    & skf18("4","3","7","9","8","7","1") = "8"
    & skf18("4","3","7","9","8","8","1") = "8"
    & skf18("4","3","7","9","8","9","1") = "8"
    & skf18("4","3","7","9","8","10","1") = "9"
    & skf18("4","3","7","9","9","1","1") = "8"
    & skf18("4","3","7","9","9","2","1") = "8"
    & skf18("4","3","7","9","9","3","1") = "8"
    & skf18("4","3","7","9","9","4","1") = "8"
    & skf18("4","3","7","9","9","5","1") = "8"
    & skf18("4","3","7","9","9","6","1") = "8"
    & skf18("4","3","7","9","9","7","1") = "8"
    & skf18("4","3","7","9","9","8","1") = "8"
    & skf18("4","3","7","9","9","9","1") = "8"
    & skf18("4","3","7","9","9","10","1") = "9"
    & skf18("4","3","7","9","10","1","1") = "9"
    & skf18("4","3","7","9","10","2","1") = "9"
    & skf18("4","3","7","9","10","3","1") = "9"
    & skf18("4","3","7","9","10","4","1") = "9"
    & skf18("4","3","7","9","10","5","1") = "9"
    & skf18("4","3","7","9","10","6","1") = "9"
    & skf18("4","3","7","9","10","7","1") = "9"
    & skf18("4","3","7","9","10","8","1") = "9"
    & skf18("4","3","7","9","10","9","1") = "9"
    & skf18("4","3","7","9","10","10","1") = "9"
    & skf18("4","3","7","10","1","1","1") = "9"
    & skf18("4","3","7","10","1","2","1") = "9"
    & skf18("4","3","7","10","1","3","1") = "9"
    & skf18("4","3","7","10","1","4","1") = "9"
    & skf18("4","3","7","10","1","5","1") = "9"
    & skf18("4","3","7","10","1","6","1") = "9"
    & skf18("4","3","7","10","1","7","1") = "9"
    & skf18("4","3","7","10","1","8","1") = "9"
    & skf18("4","3","7","10","1","9","1") = "9"
    & skf18("4","3","7","10","1","10","1") = "9"
    & skf18("4","3","7","10","2","1","1") = "9"
    & skf18("4","3","7","10","2","2","1") = "9"
    & skf18("4","3","7","10","2","3","1") = "9"
    & skf18("4","3","7","10","2","4","1") = "9"
    & skf18("4","3","7","10","2","5","1") = "9"
    & skf18("4","3","7","10","2","6","1") = "9"
    & skf18("4","3","7","10","2","7","1") = "9"
    & skf18("4","3","7","10","2","8","1") = "9"
    & skf18("4","3","7","10","2","9","1") = "9"
    & skf18("4","3","7","10","2","10","1") = "9"
    & skf18("4","3","7","10","3","1","1") = "9"
    & skf18("4","3","7","10","3","2","1") = "9"
    & skf18("4","3","7","10","3","3","1") = "9"
    & skf18("4","3","7","10","3","4","1") = "9"
    & skf18("4","3","7","10","3","5","1") = "9"
    & skf18("4","3","7","10","3","6","1") = "9"
    & skf18("4","3","7","10","3","7","1") = "9"
    & skf18("4","3","7","10","3","8","1") = "9"
    & skf18("4","3","7","10","3","9","1") = "9"
    & skf18("4","3","7","10","3","10","1") = "9"
    & skf18("4","3","7","10","4","1","1") = "9"
    & skf18("4","3","7","10","4","2","1") = "9"
    & skf18("4","3","7","10","4","3","1") = "9"
    & skf18("4","3","7","10","4","4","1") = "9"
    & skf18("4","3","7","10","4","5","1") = "9"
    & skf18("4","3","7","10","4","6","1") = "9"
    & skf18("4","3","7","10","4","7","1") = "9"
    & skf18("4","3","7","10","4","8","1") = "9"
    & skf18("4","3","7","10","4","9","1") = "9"
    & skf18("4","3","7","10","4","10","1") = "9"
    & skf18("4","3","7","10","5","1","1") = "9"
    & skf18("4","3","7","10","5","2","1") = "9"
    & skf18("4","3","7","10","5","3","1") = "9"
    & skf18("4","3","7","10","5","4","1") = "9"
    & skf18("4","3","7","10","5","5","1") = "9"
    & skf18("4","3","7","10","5","6","1") = "9"
    & skf18("4","3","7","10","5","7","1") = "9"
    & skf18("4","3","7","10","5","8","1") = "9"
    & skf18("4","3","7","10","5","9","1") = "9"
    & skf18("4","3","7","10","5","10","1") = "9"
    & skf18("4","3","7","10","6","1","1") = "9"
    & skf18("4","3","7","10","6","2","1") = "9"
    & skf18("4","3","7","10","6","3","1") = "9"
    & skf18("4","3","7","10","6","4","1") = "9"
    & skf18("4","3","7","10","6","5","1") = "9"
    & skf18("4","3","7","10","6","6","1") = "9"
    & skf18("4","3","7","10","6","7","1") = "9"
    & skf18("4","3","7","10","6","8","1") = "9"
    & skf18("4","3","7","10","6","9","1") = "9"
    & skf18("4","3","7","10","6","10","1") = "9"
    & skf18("4","3","7","10","7","1","1") = "9"
    & skf18("4","3","7","10","7","2","1") = "9"
    & skf18("4","3","7","10","7","3","1") = "9"
    & skf18("4","3","7","10","7","4","1") = "9"
    & skf18("4","3","7","10","7","5","1") = "9"
    & skf18("4","3","7","10","7","6","1") = "9"
    & skf18("4","3","7","10","7","7","1") = "9"
    & skf18("4","3","7","10","7","8","1") = "9"
    & skf18("4","3","7","10","7","9","1") = "9"
    & skf18("4","3","7","10","7","10","1") = "9"
    & skf18("4","3","7","10","8","1","1") = "9"
    & skf18("4","3","7","10","8","2","1") = "9"
    & skf18("4","3","7","10","8","3","1") = "9"
    & skf18("4","3","7","10","8","4","1") = "9"
    & skf18("4","3","7","10","8","5","1") = "9"
    & skf18("4","3","7","10","8","6","1") = "9"
    & skf18("4","3","7","10","8","7","1") = "9"
    & skf18("4","3","7","10","8","8","1") = "9"
    & skf18("4","3","7","10","8","9","1") = "9"
    & skf18("4","3","7","10","8","10","1") = "9"
    & skf18("4","3","7","10","9","1","1") = "9"
    & skf18("4","3","7","10","9","2","1") = "9"
    & skf18("4","3","7","10","9","3","1") = "9"
    & skf18("4","3","7","10","9","4","1") = "9"
    & skf18("4","3","7","10","9","5","1") = "9"
    & skf18("4","3","7","10","9","6","1") = "9"
    & skf18("4","3","7","10","9","7","1") = "9"
    & skf18("4","3","7","10","9","8","1") = "9"
    & skf18("4","3","7","10","9","9","1") = "9"
    & skf18("4","3","7","10","9","10","1") = "9"
    & skf18("4","3","7","10","10","1","1") = "9"
    & skf18("4","3","7","10","10","2","1") = "9"
    & skf18("4","3","7","10","10","3","1") = "9"
    & skf18("4","3","7","10","10","4","1") = "9"
    & skf18("4","3","7","10","10","5","1") = "9"
    & skf18("4","3","7","10","10","6","1") = "9"
    & skf18("4","3","7","10","10","7","1") = "9"
    & skf18("4","3","7","10","10","8","1") = "9"
    & skf18("4","3","7","10","10","9","1") = "9"
    & skf18("4","3","7","10","10","10","1") = "9"
    & skf18("4","3","8","1","1","1","1") = "7"
    & skf18("4","3","8","1","1","2","1") = "7"
    & skf18("4","3","8","1","1","3","1") = "7"
    & skf18("4","3","8","1","1","4","1") = "7"
    & skf18("4","3","8","1","1","5","1") = "7"
    & skf18("4","3","8","1","1","6","1") = "7"
    & skf18("4","3","8","1","1","7","1") = "7"
    & skf18("4","3","8","1","1","8","1") = "7"
    & skf18("4","3","8","1","1","9","1") = "8"
    & skf18("4","3","8","1","1","10","1") = "9"
    & skf18("4","3","8","1","2","1","1") = "7"
    & skf18("4","3","8","1","2","2","1") = "7"
    & skf18("4","3","8","1","2","3","1") = "7"
    & skf18("4","3","8","1","2","4","1") = "7"
    & skf18("4","3","8","1","2","5","1") = "7"
    & skf18("4","3","8","1","2","6","1") = "7"
    & skf18("4","3","8","1","2","7","1") = "7"
    & skf18("4","3","8","1","2","8","1") = "7"
    & skf18("4","3","8","1","2","9","1") = "8"
    & skf18("4","3","8","1","2","10","1") = "9"
    & skf18("4","3","8","1","3","1","1") = "7"
    & skf18("4","3","8","1","3","2","1") = "7"
    & skf18("4","3","8","1","3","3","1") = "7"
    & skf18("4","3","8","1","3","4","1") = "7"
    & skf18("4","3","8","1","3","5","1") = "7"
    & skf18("4","3","8","1","3","6","1") = "7"
    & skf18("4","3","8","1","3","7","1") = "7"
    & skf18("4","3","8","1","3","8","1") = "7"
    & skf18("4","3","8","1","3","9","1") = "8"
    & skf18("4","3","8","1","3","10","1") = "9"
    & skf18("4","3","8","1","4","1","1") = "7"
    & skf18("4","3","8","1","4","2","1") = "7"
    & skf18("4","3","8","1","4","3","1") = "7"
    & skf18("4","3","8","1","4","4","1") = "7"
    & skf18("4","3","8","1","4","5","1") = "7"
    & skf18("4","3","8","1","4","6","1") = "7"
    & skf18("4","3","8","1","4","7","1") = "7"
    & skf18("4","3","8","1","4","8","1") = "7"
    & skf18("4","3","8","1","4","9","1") = "8"
    & skf18("4","3","8","1","4","10","1") = "9"
    & skf18("4","3","8","1","5","1","1") = "7"
    & skf18("4","3","8","1","5","2","1") = "7"
    & skf18("4","3","8","1","5","3","1") = "7"
    & skf18("4","3","8","1","5","4","1") = "7"
    & skf18("4","3","8","1","5","5","1") = "7"
    & skf18("4","3","8","1","5","6","1") = "7"
    & skf18("4","3","8","1","5","7","1") = "7"
    & skf18("4","3","8","1","5","8","1") = "7"
    & skf18("4","3","8","1","5","9","1") = "8"
    & skf18("4","3","8","1","5","10","1") = "9"
    & skf18("4","3","8","1","6","1","1") = "7"
    & skf18("4","3","8","1","6","2","1") = "7"
    & skf18("4","3","8","1","6","3","1") = "7"
    & skf18("4","3","8","1","6","4","1") = "7"
    & skf18("4","3","8","1","6","5","1") = "7"
    & skf18("4","3","8","1","6","6","1") = "7"
    & skf18("4","3","8","1","6","7","1") = "7"
    & skf18("4","3","8","1","6","8","1") = "7"
    & skf18("4","3","8","1","6","9","1") = "8"
    & skf18("4","3","8","1","6","10","1") = "9"
    & skf18("4","3","8","1","7","1","1") = "7"
    & skf18("4","3","8","1","7","2","1") = "7"
    & skf18("4","3","8","1","7","3","1") = "7"
    & skf18("4","3","8","1","7","4","1") = "7"
    & skf18("4","3","8","1","7","5","1") = "7"
    & skf18("4","3","8","1","7","6","1") = "7"
    & skf18("4","3","8","1","7","7","1") = "7"
    & skf18("4","3","8","1","7","8","1") = "7"
    & skf18("4","3","8","1","7","9","1") = "8"
    & skf18("4","3","8","1","7","10","1") = "9"
    & skf18("4","3","8","1","8","1","1") = "7"
    & skf18("4","3","8","1","8","2","1") = "7"
    & skf18("4","3","8","1","8","3","1") = "7"
    & skf18("4","3","8","1","8","4","1") = "7"
    & skf18("4","3","8","1","8","5","1") = "7"
    & skf18("4","3","8","1","8","6","1") = "7"
    & skf18("4","3","8","1","8","7","1") = "7"
    & skf18("4","3","8","1","8","8","1") = "7"
    & skf18("4","3","8","1","8","9","1") = "8"
    & skf18("4","3","8","1","8","10","1") = "9"
    & skf18("4","3","8","1","9","1","1") = "8"
    & skf18("4","3","8","1","9","2","1") = "8"
    & skf18("4","3","8","1","9","3","1") = "8"
    & skf18("4","3","8","1","9","4","1") = "8"
    & skf18("4","3","8","1","9","5","1") = "8"
    & skf18("4","3","8","1","9","6","1") = "8"
    & skf18("4","3","8","1","9","7","1") = "8"
    & skf18("4","3","8","1","9","8","1") = "8"
    & skf18("4","3","8","1","9","9","1") = "8"
    & skf18("4","3","8","1","9","10","1") = "9"
    & skf18("4","3","8","1","10","1","1") = "9"
    & skf18("4","3","8","1","10","2","1") = "9"
    & skf18("4","3","8","1","10","3","1") = "9"
    & skf18("4","3","8","1","10","4","1") = "9"
    & skf18("4","3","8","1","10","5","1") = "9"
    & skf18("4","3","8","1","10","6","1") = "9"
    & skf18("4","3","8","1","10","7","1") = "9"
    & skf18("4","3","8","1","10","8","1") = "9"
    & skf18("4","3","8","1","10","9","1") = "9"
    & skf18("4","3","8","1","10","10","1") = "9"
    & skf18("4","3","8","2","1","1","1") = "7"
    & skf18("4","3","8","2","1","2","1") = "7"
    & skf18("4","3","8","2","1","3","1") = "7"
    & skf18("4","3","8","2","1","4","1") = "7"
    & skf18("4","3","8","2","1","5","1") = "7"
    & skf18("4","3","8","2","1","6","1") = "7"
    & skf18("4","3","8","2","1","7","1") = "7"
    & skf18("4","3","8","2","1","8","1") = "7"
    & skf18("4","3","8","2","1","9","1") = "8"
    & skf18("4","3","8","2","1","10","1") = "9"
    & skf18("4","3","8","2","2","1","1") = "7"
    & skf18("4","3","8","2","2","2","1") = "7"
    & skf18("4","3","8","2","2","3","1") = "7"
    & skf18("4","3","8","2","2","4","1") = "7"
    & skf18("4","3","8","2","2","5","1") = "7"
    & skf18("4","3","8","2","2","6","1") = "7"
    & skf18("4","3","8","2","2","7","1") = "7"
    & skf18("4","3","8","2","2","8","1") = "7"
    & skf18("4","3","8","2","2","9","1") = "8"
    & skf18("4","3","8","2","2","10","1") = "9"
    & skf18("4","3","8","2","3","1","1") = "7"
    & skf18("4","3","8","2","3","2","1") = "7"
    & skf18("4","3","8","2","3","3","1") = "7"
    & skf18("4","3","8","2","3","4","1") = "7"
    & skf18("4","3","8","2","3","5","1") = "7"
    & skf18("4","3","8","2","3","6","1") = "7"
    & skf18("4","3","8","2","3","7","1") = "7"
    & skf18("4","3","8","2","3","8","1") = "7"
    & skf18("4","3","8","2","3","9","1") = "8"
    & skf18("4","3","8","2","3","10","1") = "9"
    & skf18("4","3","8","2","4","1","1") = "7"
    & skf18("4","3","8","2","4","2","1") = "7"
    & skf18("4","3","8","2","4","3","1") = "7"
    & skf18("4","3","8","2","4","4","1") = "7"
    & skf18("4","3","8","2","4","5","1") = "7"
    & skf18("4","3","8","2","4","6","1") = "7"
    & skf18("4","3","8","2","4","7","1") = "7"
    & skf18("4","3","8","2","4","8","1") = "7"
    & skf18("4","3","8","2","4","9","1") = "8"
    & skf18("4","3","8","2","4","10","1") = "9"
    & skf18("4","3","8","2","5","1","1") = "7"
    & skf18("4","3","8","2","5","2","1") = "7"
    & skf18("4","3","8","2","5","3","1") = "7"
    & skf18("4","3","8","2","5","4","1") = "7"
    & skf18("4","3","8","2","5","5","1") = "7"
    & skf18("4","3","8","2","5","6","1") = "7"
    & skf18("4","3","8","2","5","7","1") = "7"
    & skf18("4","3","8","2","5","8","1") = "7"
    & skf18("4","3","8","2","5","9","1") = "8"
    & skf18("4","3","8","2","5","10","1") = "9"
    & skf18("4","3","8","2","6","1","1") = "7"
    & skf18("4","3","8","2","6","2","1") = "7"
    & skf18("4","3","8","2","6","3","1") = "7"
    & skf18("4","3","8","2","6","4","1") = "7"
    & skf18("4","3","8","2","6","5","1") = "7"
    & skf18("4","3","8","2","6","6","1") = "7"
    & skf18("4","3","8","2","6","7","1") = "7"
    & skf18("4","3","8","2","6","8","1") = "7"
    & skf18("4","3","8","2","6","9","1") = "8"
    & skf18("4","3","8","2","6","10","1") = "9"
    & skf18("4","3","8","2","7","1","1") = "7"
    & skf18("4","3","8","2","7","2","1") = "7"
    & skf18("4","3","8","2","7","3","1") = "7"
    & skf18("4","3","8","2","7","4","1") = "7"
    & skf18("4","3","8","2","7","5","1") = "7"
    & skf18("4","3","8","2","7","6","1") = "7"
    & skf18("4","3","8","2","7","7","1") = "7"
    & skf18("4","3","8","2","7","8","1") = "7"
    & skf18("4","3","8","2","7","9","1") = "8"
    & skf18("4","3","8","2","7","10","1") = "9"
    & skf18("4","3","8","2","8","1","1") = "7"
    & skf18("4","3","8","2","8","2","1") = "7"
    & skf18("4","3","8","2","8","3","1") = "7"
    & skf18("4","3","8","2","8","4","1") = "7"
    & skf18("4","3","8","2","8","5","1") = "7"
    & skf18("4","3","8","2","8","6","1") = "7"
    & skf18("4","3","8","2","8","7","1") = "7"
    & skf18("4","3","8","2","8","8","1") = "7"
    & skf18("4","3","8","2","8","9","1") = "8"
    & skf18("4","3","8","2","8","10","1") = "9"
    & skf18("4","3","8","2","9","1","1") = "8"
    & skf18("4","3","8","2","9","2","1") = "8"
    & skf18("4","3","8","2","9","3","1") = "8"
    & skf18("4","3","8","2","9","4","1") = "8"
    & skf18("4","3","8","2","9","5","1") = "8"
    & skf18("4","3","8","2","9","6","1") = "8"
    & skf18("4","3","8","2","9","7","1") = "8"
    & skf18("4","3","8","2","9","8","1") = "8"
    & skf18("4","3","8","2","9","9","1") = "8"
    & skf18("4","3","8","2","9","10","1") = "9"
    & skf18("4","3","8","2","10","1","1") = "9"
    & skf18("4","3","8","2","10","2","1") = "9"
    & skf18("4","3","8","2","10","3","1") = "9"
    & skf18("4","3","8","2","10","4","1") = "9"
    & skf18("4","3","8","2","10","5","1") = "9"
    & skf18("4","3","8","2","10","6","1") = "9"
    & skf18("4","3","8","2","10","7","1") = "9"
    & skf18("4","3","8","2","10","8","1") = "9"
    & skf18("4","3","8","2","10","9","1") = "9"
    & skf18("4","3","8","2","10","10","1") = "9"
    & skf18("4","3","8","3","1","1","1") = "7"
    & skf18("4","3","8","3","1","2","1") = "7"
    & skf18("4","3","8","3","1","3","1") = "7"
    & skf18("4","3","8","3","1","4","1") = "7"
    & skf18("4","3","8","3","1","5","1") = "7"
    & skf18("4","3","8","3","1","6","1") = "7"
    & skf18("4","3","8","3","1","7","1") = "7"
    & skf18("4","3","8","3","1","8","1") = "7"
    & skf18("4","3","8","3","1","9","1") = "8"
    & skf18("4","3","8","3","1","10","1") = "9"
    & skf18("4","3","8","3","2","1","1") = "7"
    & skf18("4","3","8","3","2","2","1") = "7"
    & skf18("4","3","8","3","2","3","1") = "7"
    & skf18("4","3","8","3","2","4","1") = "7"
    & skf18("4","3","8","3","2","5","1") = "7"
    & skf18("4","3","8","3","2","6","1") = "7"
    & skf18("4","3","8","3","2","7","1") = "7"
    & skf18("4","3","8","3","2","8","1") = "7"
    & skf18("4","3","8","3","2","9","1") = "8"
    & skf18("4","3","8","3","2","10","1") = "9"
    & skf18("4","3","8","3","3","1","1") = "7"
    & skf18("4","3","8","3","3","2","1") = "7"
    & skf18("4","3","8","3","3","3","1") = "7"
    & skf18("4","3","8","3","3","4","1") = "7"
    & skf18("4","3","8","3","3","5","1") = "7"
    & skf18("4","3","8","3","3","6","1") = "7"
    & skf18("4","3","8","3","3","7","1") = "7"
    & skf18("4","3","8","3","3","8","1") = "7"
    & skf18("4","3","8","3","3","9","1") = "8"
    & skf18("4","3","8","3","3","10","1") = "9"
    & skf18("4","3","8","3","4","1","1") = "7"
    & skf18("4","3","8","3","4","2","1") = "7"
    & skf18("4","3","8","3","4","3","1") = "7"
    & skf18("4","3","8","3","4","4","1") = "7"
    & skf18("4","3","8","3","4","5","1") = "7"
    & skf18("4","3","8","3","4","6","1") = "7"
    & skf18("4","3","8","3","4","7","1") = "7"
    & skf18("4","3","8","3","4","8","1") = "7"
    & skf18("4","3","8","3","4","9","1") = "8"
    & skf18("4","3","8","3","4","10","1") = "9"
    & skf18("4","3","8","3","5","1","1") = "7"
    & skf18("4","3","8","3","5","2","1") = "7"
    & skf18("4","3","8","3","5","3","1") = "7"
    & skf18("4","3","8","3","5","4","1") = "7"
    & skf18("4","3","8","3","5","5","1") = "7"
    & skf18("4","3","8","3","5","6","1") = "7"
    & skf18("4","3","8","3","5","7","1") = "7"
    & skf18("4","3","8","3","5","8","1") = "7"
    & skf18("4","3","8","3","5","9","1") = "8"
    & skf18("4","3","8","3","5","10","1") = "9"
    & skf18("4","3","8","3","6","1","1") = "7"
    & skf18("4","3","8","3","6","2","1") = "7"
    & skf18("4","3","8","3","6","3","1") = "7"
    & skf18("4","3","8","3","6","4","1") = "7"
    & skf18("4","3","8","3","6","5","1") = "7"
    & skf18("4","3","8","3","6","6","1") = "7"
    & skf18("4","3","8","3","6","7","1") = "7"
    & skf18("4","3","8","3","6","8","1") = "7"
    & skf18("4","3","8","3","6","9","1") = "8"
    & skf18("4","3","8","3","6","10","1") = "9"
    & skf18("4","3","8","3","7","1","1") = "7"
    & skf18("4","3","8","3","7","2","1") = "7"
    & skf18("4","3","8","3","7","3","1") = "7"
    & skf18("4","3","8","3","7","4","1") = "7"
    & skf18("4","3","8","3","7","5","1") = "7"
    & skf18("4","3","8","3","7","6","1") = "7"
    & skf18("4","3","8","3","7","7","1") = "7"
    & skf18("4","3","8","3","7","8","1") = "7"
    & skf18("4","3","8","3","7","9","1") = "8"
    & skf18("4","3","8","3","7","10","1") = "9"
    & skf18("4","3","8","3","8","1","1") = "7"
    & skf18("4","3","8","3","8","2","1") = "7"
    & skf18("4","3","8","3","8","3","1") = "7"
    & skf18("4","3","8","3","8","4","1") = "7"
    & skf18("4","3","8","3","8","5","1") = "7"
    & skf18("4","3","8","3","8","6","1") = "7"
    & skf18("4","3","8","3","8","7","1") = "7"
    & skf18("4","3","8","3","8","8","1") = "7"
    & skf18("4","3","8","3","8","9","1") = "8"
    & skf18("4","3","8","3","8","10","1") = "9"
    & skf18("4","3","8","3","9","1","1") = "8"
    & skf18("4","3","8","3","9","2","1") = "8"
    & skf18("4","3","8","3","9","3","1") = "8"
    & skf18("4","3","8","3","9","4","1") = "8"
    & skf18("4","3","8","3","9","5","1") = "8"
    & skf18("4","3","8","3","9","6","1") = "8"
    & skf18("4","3","8","3","9","7","1") = "8"
    & skf18("4","3","8","3","9","8","1") = "8"
    & skf18("4","3","8","3","9","9","1") = "8"
    & skf18("4","3","8","3","9","10","1") = "9"
    & skf18("4","3","8","3","10","1","1") = "9"
    & skf18("4","3","8","3","10","2","1") = "9"
    & skf18("4","3","8","3","10","3","1") = "9"
    & skf18("4","3","8","3","10","4","1") = "9"
    & skf18("4","3","8","3","10","5","1") = "9"
    & skf18("4","3","8","3","10","6","1") = "9"
    & skf18("4","3","8","3","10","7","1") = "9"
    & skf18("4","3","8","3","10","8","1") = "9"
    & skf18("4","3","8","3","10","9","1") = "9"
    & skf18("4","3","8","3","10","10","1") = "9"
    & skf18("4","3","8","4","1","1","1") = "7"
    & skf18("4","3","8","4","1","2","1") = "7"
    & skf18("4","3","8","4","1","3","1") = "7"
    & skf18("4","3","8","4","1","4","1") = "7"
    & skf18("4","3","8","4","1","5","1") = "7"
    & skf18("4","3","8","4","1","6","1") = "7"
    & skf18("4","3","8","4","1","7","1") = "7"
    & skf18("4","3","8","4","1","8","1") = "7"
    & skf18("4","3","8","4","1","9","1") = "8"
    & skf18("4","3","8","4","1","10","1") = "9"
    & skf18("4","3","8","4","2","1","1") = "7"
    & skf18("4","3","8","4","2","2","1") = "7"
    & skf18("4","3","8","4","2","3","1") = "7"
    & skf18("4","3","8","4","2","4","1") = "7"
    & skf18("4","3","8","4","2","5","1") = "7"
    & skf18("4","3","8","4","2","6","1") = "7"
    & skf18("4","3","8","4","2","7","1") = "7"
    & skf18("4","3","8","4","2","8","1") = "7"
    & skf18("4","3","8","4","2","9","1") = "8"
    & skf18("4","3","8","4","2","10","1") = "9"
    & skf18("4","3","8","4","3","1","1") = "7"
    & skf18("4","3","8","4","3","2","1") = "7"
    & skf18("4","3","8","4","3","3","1") = "7"
    & skf18("4","3","8","4","3","4","1") = "7"
    & skf18("4","3","8","4","3","5","1") = "7"
    & skf18("4","3","8","4","3","6","1") = "7"
    & skf18("4","3","8","4","3","7","1") = "7"
    & skf18("4","3","8","4","3","8","1") = "7"
    & skf18("4","3","8","4","3","9","1") = "8"
    & skf18("4","3","8","4","3","10","1") = "9"
    & skf18("4","3","8","4","4","1","1") = "7"
    & skf18("4","3","8","4","4","2","1") = "7"
    & skf18("4","3","8","4","4","3","1") = "7"
    & skf18("4","3","8","4","4","4","1") = "7"
    & skf18("4","3","8","4","4","5","1") = "7"
    & skf18("4","3","8","4","4","6","1") = "7"
    & skf18("4","3","8","4","4","7","1") = "7"
    & skf18("4","3","8","4","4","8","1") = "7"
    & skf18("4","3","8","4","4","9","1") = "8"
    & skf18("4","3","8","4","4","10","1") = "9"
    & skf18("4","3","8","4","5","1","1") = "7"
    & skf18("4","3","8","4","5","2","1") = "7"
    & skf18("4","3","8","4","5","3","1") = "7"
    & skf18("4","3","8","4","5","4","1") = "7"
    & skf18("4","3","8","4","5","5","1") = "7"
    & skf18("4","3","8","4","5","6","1") = "7"
    & skf18("4","3","8","4","5","7","1") = "7"
    & skf18("4","3","8","4","5","8","1") = "7"
    & skf18("4","3","8","4","5","9","1") = "8"
    & skf18("4","3","8","4","5","10","1") = "9"
    & skf18("4","3","8","4","6","1","1") = "7"
    & skf18("4","3","8","4","6","2","1") = "7"
    & skf18("4","3","8","4","6","3","1") = "7"
    & skf18("4","3","8","4","6","4","1") = "7"
    & skf18("4","3","8","4","6","5","1") = "7"
    & skf18("4","3","8","4","6","6","1") = "7"
    & skf18("4","3","8","4","6","7","1") = "7"
    & skf18("4","3","8","4","6","8","1") = "7"
    & skf18("4","3","8","4","6","9","1") = "8"
    & skf18("4","3","8","4","6","10","1") = "9"
    & skf18("4","3","8","4","7","1","1") = "7"
    & skf18("4","3","8","4","7","2","1") = "7"
    & skf18("4","3","8","4","7","3","1") = "7"
    & skf18("4","3","8","4","7","4","1") = "7"
    & skf18("4","3","8","4","7","5","1") = "7"
    & skf18("4","3","8","4","7","6","1") = "7"
    & skf18("4","3","8","4","7","7","1") = "7"
    & skf18("4","3","8","4","7","8","1") = "7"
    & skf18("4","3","8","4","7","9","1") = "8"
    & skf18("4","3","8","4","7","10","1") = "9"
    & skf18("4","3","8","4","8","1","1") = "7"
    & skf18("4","3","8","4","8","2","1") = "7"
    & skf18("4","3","8","4","8","3","1") = "7"
    & skf18("4","3","8","4","8","4","1") = "7"
    & skf18("4","3","8","4","8","5","1") = "7"
    & skf18("4","3","8","4","8","6","1") = "7"
    & skf18("4","3","8","4","8","7","1") = "7"
    & skf18("4","3","8","4","8","8","1") = "7"
    & skf18("4","3","8","4","8","9","1") = "8"
    & skf18("4","3","8","4","8","10","1") = "9"
    & skf18("4","3","8","4","9","1","1") = "8"
    & skf18("4","3","8","4","9","2","1") = "8"
    & skf18("4","3","8","4","9","3","1") = "8"
    & skf18("4","3","8","4","9","4","1") = "8"
    & skf18("4","3","8","4","9","5","1") = "8"
    & skf18("4","3","8","4","9","6","1") = "8"
    & skf18("4","3","8","4","9","7","1") = "8"
    & skf18("4","3","8","4","9","8","1") = "8"
    & skf18("4","3","8","4","9","9","1") = "8"
    & skf18("4","3","8","4","9","10","1") = "9"
    & skf18("4","3","8","4","10","1","1") = "9"
    & skf18("4","3","8","4","10","2","1") = "9"
    & skf18("4","3","8","4","10","3","1") = "9"
    & skf18("4","3","8","4","10","4","1") = "9"
    & skf18("4","3","8","4","10","5","1") = "9"
    & skf18("4","3","8","4","10","6","1") = "9"
    & skf18("4","3","8","4","10","7","1") = "9"
    & skf18("4","3","8","4","10","8","1") = "9"
    & skf18("4","3","8","4","10","9","1") = "9"
    & skf18("4","3","8","4","10","10","1") = "9"
    & skf18("4","3","8","5","1","1","1") = "7"
    & skf18("4","3","8","5","1","2","1") = "7"
    & skf18("4","3","8","5","1","3","1") = "7"
    & skf18("4","3","8","5","1","4","1") = "7"
    & skf18("4","3","8","5","1","5","1") = "7"
    & skf18("4","3","8","5","1","6","1") = "7"
    & skf18("4","3","8","5","1","7","1") = "7"
    & skf18("4","3","8","5","1","8","1") = "7"
    & skf18("4","3","8","5","1","9","1") = "8"
    & skf18("4","3","8","5","1","10","1") = "9"
    & skf18("4","3","8","5","2","1","1") = "7"
    & skf18("4","3","8","5","2","2","1") = "7"
    & skf18("4","3","8","5","2","3","1") = "7"
    & skf18("4","3","8","5","2","4","1") = "7"
    & skf18("4","3","8","5","2","5","1") = "7"
    & skf18("4","3","8","5","2","6","1") = "7"
    & skf18("4","3","8","5","2","7","1") = "7"
    & skf18("4","3","8","5","2","8","1") = "7"
    & skf18("4","3","8","5","2","9","1") = "8"
    & skf18("4","3","8","5","2","10","1") = "9"
    & skf18("4","3","8","5","3","1","1") = "7"
    & skf18("4","3","8","5","3","2","1") = "7"
    & skf18("4","3","8","5","3","3","1") = "7"
    & skf18("4","3","8","5","3","4","1") = "7"
    & skf18("4","3","8","5","3","5","1") = "7"
    & skf18("4","3","8","5","3","6","1") = "7"
    & skf18("4","3","8","5","3","7","1") = "7"
    & skf18("4","3","8","5","3","8","1") = "7"
    & skf18("4","3","8","5","3","9","1") = "8"
    & skf18("4","3","8","5","3","10","1") = "9"
    & skf18("4","3","8","5","4","1","1") = "7"
    & skf18("4","3","8","5","4","2","1") = "7"
    & skf18("4","3","8","5","4","3","1") = "7"
    & skf18("4","3","8","5","4","4","1") = "7"
    & skf18("4","3","8","5","4","5","1") = "7"
    & skf18("4","3","8","5","4","6","1") = "7"
    & skf18("4","3","8","5","4","7","1") = "7"
    & skf18("4","3","8","5","4","8","1") = "7"
    & skf18("4","3","8","5","4","9","1") = "8"
    & skf18("4","3","8","5","4","10","1") = "9"
    & skf18("4","3","8","5","5","1","1") = "7"
    & skf18("4","3","8","5","5","2","1") = "7"
    & skf18("4","3","8","5","5","3","1") = "7"
    & skf18("4","3","8","5","5","4","1") = "7"
    & skf18("4","3","8","5","5","5","1") = "7"
    & skf18("4","3","8","5","5","6","1") = "7"
    & skf18("4","3","8","5","5","7","1") = "7"
    & skf18("4","3","8","5","5","8","1") = "7"
    & skf18("4","3","8","5","5","9","1") = "8"
    & skf18("4","3","8","5","5","10","1") = "9"
    & skf18("4","3","8","5","6","1","1") = "7"
    & skf18("4","3","8","5","6","2","1") = "7"
    & skf18("4","3","8","5","6","3","1") = "7"
    & skf18("4","3","8","5","6","4","1") = "7"
    & skf18("4","3","8","5","6","5","1") = "7"
    & skf18("4","3","8","5","6","6","1") = "7"
    & skf18("4","3","8","5","6","7","1") = "7"
    & skf18("4","3","8","5","6","8","1") = "7"
    & skf18("4","3","8","5","6","9","1") = "8"
    & skf18("4","3","8","5","6","10","1") = "9"
    & skf18("4","3","8","5","7","1","1") = "7"
    & skf18("4","3","8","5","7","2","1") = "7"
    & skf18("4","3","8","5","7","3","1") = "7"
    & skf18("4","3","8","5","7","4","1") = "7"
    & skf18("4","3","8","5","7","5","1") = "7"
    & skf18("4","3","8","5","7","6","1") = "7"
    & skf18("4","3","8","5","7","7","1") = "7"
    & skf18("4","3","8","5","7","8","1") = "7"
    & skf18("4","3","8","5","7","9","1") = "8"
    & skf18("4","3","8","5","7","10","1") = "9"
    & skf18("4","3","8","5","8","1","1") = "7"
    & skf18("4","3","8","5","8","2","1") = "7"
    & skf18("4","3","8","5","8","3","1") = "7"
    & skf18("4","3","8","5","8","4","1") = "7"
    & skf18("4","3","8","5","8","5","1") = "7"
    & skf18("4","3","8","5","8","6","1") = "7"
    & skf18("4","3","8","5","8","7","1") = "7"
    & skf18("4","3","8","5","8","8","1") = "7"
    & skf18("4","3","8","5","8","9","1") = "8"
    & skf18("4","3","8","5","8","10","1") = "9"
    & skf18("4","3","8","5","9","1","1") = "8"
    & skf18("4","3","8","5","9","2","1") = "8"
    & skf18("4","3","8","5","9","3","1") = "8"
    & skf18("4","3","8","5","9","4","1") = "8"
    & skf18("4","3","8","5","9","5","1") = "8"
    & skf18("4","3","8","5","9","6","1") = "8"
    & skf18("4","3","8","5","9","7","1") = "8"
    & skf18("4","3","8","5","9","8","1") = "8"
    & skf18("4","3","8","5","9","9","1") = "8"
    & skf18("4","3","8","5","9","10","1") = "9"
    & skf18("4","3","8","5","10","1","1") = "9"
    & skf18("4","3","8","5","10","2","1") = "9"
    & skf18("4","3","8","5","10","3","1") = "9"
    & skf18("4","3","8","5","10","4","1") = "9"
    & skf18("4","3","8","5","10","5","1") = "9"
    & skf18("4","3","8","5","10","6","1") = "9"
    & skf18("4","3","8","5","10","7","1") = "9"
    & skf18("4","3","8","5","10","8","1") = "9"
    & skf18("4","3","8","5","10","9","1") = "9"
    & skf18("4","3","8","5","10","10","1") = "9"
    & skf18("4","3","8","6","1","1","1") = "7"
    & skf18("4","3","8","6","1","2","1") = "7"
    & skf18("4","3","8","6","1","3","1") = "7"
    & skf18("4","3","8","6","1","4","1") = "7"
    & skf18("4","3","8","6","1","5","1") = "7"
    & skf18("4","3","8","6","1","6","1") = "7"
    & skf18("4","3","8","6","1","7","1") = "7"
    & skf18("4","3","8","6","1","8","1") = "7"
    & skf18("4","3","8","6","1","9","1") = "8"
    & skf18("4","3","8","6","1","10","1") = "9"
    & skf18("4","3","8","6","2","1","1") = "7"
    & skf18("4","3","8","6","2","2","1") = "7"
    & skf18("4","3","8","6","2","3","1") = "7"
    & skf18("4","3","8","6","2","4","1") = "7"
    & skf18("4","3","8","6","2","5","1") = "7"
    & skf18("4","3","8","6","2","6","1") = "7"
    & skf18("4","3","8","6","2","7","1") = "7"
    & skf18("4","3","8","6","2","8","1") = "7"
    & skf18("4","3","8","6","2","9","1") = "8"
    & skf18("4","3","8","6","2","10","1") = "9"
    & skf18("4","3","8","6","3","1","1") = "7"
    & skf18("4","3","8","6","3","2","1") = "7"
    & skf18("4","3","8","6","3","3","1") = "7"
    & skf18("4","3","8","6","3","4","1") = "7"
    & skf18("4","3","8","6","3","5","1") = "7"
    & skf18("4","3","8","6","3","6","1") = "7"
    & skf18("4","3","8","6","3","7","1") = "7"
    & skf18("4","3","8","6","3","8","1") = "7"
    & skf18("4","3","8","6","3","9","1") = "8"
    & skf18("4","3","8","6","3","10","1") = "9"
    & skf18("4","3","8","6","4","1","1") = "7"
    & skf18("4","3","8","6","4","2","1") = "7"
    & skf18("4","3","8","6","4","3","1") = "7"
    & skf18("4","3","8","6","4","4","1") = "7"
    & skf18("4","3","8","6","4","5","1") = "7"
    & skf18("4","3","8","6","4","6","1") = "7"
    & skf18("4","3","8","6","4","7","1") = "7"
    & skf18("4","3","8","6","4","8","1") = "7"
    & skf18("4","3","8","6","4","9","1") = "8"
    & skf18("4","3","8","6","4","10","1") = "9"
    & skf18("4","3","8","6","5","1","1") = "7"
    & skf18("4","3","8","6","5","2","1") = "7"
    & skf18("4","3","8","6","5","3","1") = "7"
    & skf18("4","3","8","6","5","4","1") = "7"
    & skf18("4","3","8","6","5","5","1") = "7"
    & skf18("4","3","8","6","5","6","1") = "7"
    & skf18("4","3","8","6","5","7","1") = "7"
    & skf18("4","3","8","6","5","8","1") = "7"
    & skf18("4","3","8","6","5","9","1") = "8"
    & skf18("4","3","8","6","5","10","1") = "9"
    & skf18("4","3","8","6","6","1","1") = "7"
    & skf18("4","3","8","6","6","2","1") = "7"
    & skf18("4","3","8","6","6","3","1") = "7"
    & skf18("4","3","8","6","6","4","1") = "7"
    & skf18("4","3","8","6","6","5","1") = "7"
    & skf18("4","3","8","6","6","6","1") = "7"
    & skf18("4","3","8","6","6","7","1") = "7"
    & skf18("4","3","8","6","6","8","1") = "7"
    & skf18("4","3","8","6","6","9","1") = "8"
    & skf18("4","3","8","6","6","10","1") = "9"
    & skf18("4","3","8","6","7","1","1") = "7"
    & skf18("4","3","8","6","7","2","1") = "7"
    & skf18("4","3","8","6","7","3","1") = "7"
    & skf18("4","3","8","6","7","4","1") = "7"
    & skf18("4","3","8","6","7","5","1") = "7"
    & skf18("4","3","8","6","7","6","1") = "7"
    & skf18("4","3","8","6","7","7","1") = "7"
    & skf18("4","3","8","6","7","8","1") = "7"
    & skf18("4","3","8","6","7","9","1") = "8"
    & skf18("4","3","8","6","7","10","1") = "9"
    & skf18("4","3","8","6","8","1","1") = "7"
    & skf18("4","3","8","6","8","2","1") = "7"
    & skf18("4","3","8","6","8","3","1") = "7"
    & skf18("4","3","8","6","8","4","1") = "7"
    & skf18("4","3","8","6","8","5","1") = "7"
    & skf18("4","3","8","6","8","6","1") = "7"
    & skf18("4","3","8","6","8","7","1") = "7"
    & skf18("4","3","8","6","8","8","1") = "7"
    & skf18("4","3","8","6","8","9","1") = "8"
    & skf18("4","3","8","6","8","10","1") = "9"
    & skf18("4","3","8","6","9","1","1") = "8"
    & skf18("4","3","8","6","9","2","1") = "8"
    & skf18("4","3","8","6","9","3","1") = "8"
    & skf18("4","3","8","6","9","4","1") = "8"
    & skf18("4","3","8","6","9","5","1") = "8"
    & skf18("4","3","8","6","9","6","1") = "8"
    & skf18("4","3","8","6","9","7","1") = "8"
    & skf18("4","3","8","6","9","8","1") = "8"
    & skf18("4","3","8","6","9","9","1") = "8"
    & skf18("4","3","8","6","9","10","1") = "9"
    & skf18("4","3","8","6","10","1","1") = "9"
    & skf18("4","3","8","6","10","2","1") = "9"
    & skf18("4","3","8","6","10","3","1") = "9"
    & skf18("4","3","8","6","10","4","1") = "9"
    & skf18("4","3","8","6","10","5","1") = "9"
    & skf18("4","3","8","6","10","6","1") = "9"
    & skf18("4","3","8","6","10","7","1") = "9"
    & skf18("4","3","8","6","10","8","1") = "9"
    & skf18("4","3","8","6","10","9","1") = "9"
    & skf18("4","3","8","6","10","10","1") = "9"
    & skf18("4","3","8","7","1","1","1") = "7"
    & skf18("4","3","8","7","1","2","1") = "7"
    & skf18("4","3","8","7","1","3","1") = "7"
    & skf18("4","3","8","7","1","4","1") = "7"
    & skf18("4","3","8","7","1","5","1") = "7"
    & skf18("4","3","8","7","1","6","1") = "7"
    & skf18("4","3","8","7","1","7","1") = "7"
    & skf18("4","3","8","7","1","8","1") = "7"
    & skf18("4","3","8","7","1","9","1") = "8"
    & skf18("4","3","8","7","1","10","1") = "9"
    & skf18("4","3","8","7","2","1","1") = "7"
    & skf18("4","3","8","7","2","2","1") = "7"
    & skf18("4","3","8","7","2","3","1") = "7"
    & skf18("4","3","8","7","2","4","1") = "7"
    & skf18("4","3","8","7","2","5","1") = "7"
    & skf18("4","3","8","7","2","6","1") = "7"
    & skf18("4","3","8","7","2","7","1") = "7"
    & skf18("4","3","8","7","2","8","1") = "7"
    & skf18("4","3","8","7","2","9","1") = "8"
    & skf18("4","3","8","7","2","10","1") = "9"
    & skf18("4","3","8","7","3","1","1") = "7"
    & skf18("4","3","8","7","3","2","1") = "7"
    & skf18("4","3","8","7","3","3","1") = "7"
    & skf18("4","3","8","7","3","4","1") = "7"
    & skf18("4","3","8","7","3","5","1") = "7"
    & skf18("4","3","8","7","3","6","1") = "7"
    & skf18("4","3","8","7","3","7","1") = "7"
    & skf18("4","3","8","7","3","8","1") = "7"
    & skf18("4","3","8","7","3","9","1") = "8"
    & skf18("4","3","8","7","3","10","1") = "9"
    & skf18("4","3","8","7","4","1","1") = "7"
    & skf18("4","3","8","7","4","2","1") = "7"
    & skf18("4","3","8","7","4","3","1") = "7"
    & skf18("4","3","8","7","4","4","1") = "7"
    & skf18("4","3","8","7","4","5","1") = "7"
    & skf18("4","3","8","7","4","6","1") = "7"
    & skf18("4","3","8","7","4","7","1") = "7"
    & skf18("4","3","8","7","4","8","1") = "7"
    & skf18("4","3","8","7","4","9","1") = "8"
    & skf18("4","3","8","7","4","10","1") = "9"
    & skf18("4","3","8","7","5","1","1") = "7"
    & skf18("4","3","8","7","5","2","1") = "7"
    & skf18("4","3","8","7","5","3","1") = "7"
    & skf18("4","3","8","7","5","4","1") = "7"
    & skf18("4","3","8","7","5","5","1") = "7"
    & skf18("4","3","8","7","5","6","1") = "7"
    & skf18("4","3","8","7","5","7","1") = "7"
    & skf18("4","3","8","7","5","8","1") = "7"
    & skf18("4","3","8","7","5","9","1") = "8"
    & skf18("4","3","8","7","5","10","1") = "9"
    & skf18("4","3","8","7","6","1","1") = "7"
    & skf18("4","3","8","7","6","2","1") = "7"
    & skf18("4","3","8","7","6","3","1") = "7"
    & skf18("4","3","8","7","6","4","1") = "7"
    & skf18("4","3","8","7","6","5","1") = "7"
    & skf18("4","3","8","7","6","6","1") = "7"
    & skf18("4","3","8","7","6","7","1") = "7"
    & skf18("4","3","8","7","6","8","1") = "7"
    & skf18("4","3","8","7","6","9","1") = "8"
    & skf18("4","3","8","7","6","10","1") = "9"
    & skf18("4","3","8","7","7","1","1") = "7"
    & skf18("4","3","8","7","7","2","1") = "7"
    & skf18("4","3","8","7","7","3","1") = "7"
    & skf18("4","3","8","7","7","4","1") = "7"
    & skf18("4","3","8","7","7","5","1") = "7"
    & skf18("4","3","8","7","7","6","1") = "7"
    & skf18("4","3","8","7","7","7","1") = "7"
    & skf18("4","3","8","7","7","8","1") = "7"
    & skf18("4","3","8","7","7","9","1") = "8"
    & skf18("4","3","8","7","7","10","1") = "9"
    & skf18("4","3","8","7","8","1","1") = "7"
    & skf18("4","3","8","7","8","2","1") = "7"
    & skf18("4","3","8","7","8","3","1") = "7"
    & skf18("4","3","8","7","8","4","1") = "7"
    & skf18("4","3","8","7","8","5","1") = "7"
    & skf18("4","3","8","7","8","6","1") = "7"
    & skf18("4","3","8","7","8","7","1") = "7"
    & skf18("4","3","8","7","8","8","1") = "7"
    & skf18("4","3","8","7","8","9","1") = "8"
    & skf18("4","3","8","7","8","10","1") = "9"
    & skf18("4","3","8","7","9","1","1") = "8"
    & skf18("4","3","8","7","9","2","1") = "8"
    & skf18("4","3","8","7","9","3","1") = "8"
    & skf18("4","3","8","7","9","4","1") = "8"
    & skf18("4","3","8","7","9","5","1") = "8"
    & skf18("4","3","8","7","9","6","1") = "8"
    & skf18("4","3","8","7","9","7","1") = "8"
    & skf18("4","3","8","7","9","8","1") = "8"
    & skf18("4","3","8","7","9","9","1") = "8"
    & skf18("4","3","8","7","9","10","1") = "9"
    & skf18("4","3","8","7","10","1","1") = "9"
    & skf18("4","3","8","7","10","2","1") = "9"
    & skf18("4","3","8","7","10","3","1") = "9"
    & skf18("4","3","8","7","10","4","1") = "9"
    & skf18("4","3","8","7","10","5","1") = "9"
    & skf18("4","3","8","7","10","6","1") = "9"
    & skf18("4","3","8","7","10","7","1") = "9"
    & skf18("4","3","8","7","10","8","1") = "9"
    & skf18("4","3","8","7","10","9","1") = "9"
    & skf18("4","3","8","7","10","10","1") = "9"
    & skf18("4","3","8","8","1","1","1") = "7"
    & skf18("4","3","8","8","1","2","1") = "7"
    & skf18("4","3","8","8","1","3","1") = "7"
    & skf18("4","3","8","8","1","4","1") = "7"
    & skf18("4","3","8","8","1","5","1") = "7"
    & skf18("4","3","8","8","1","6","1") = "7"
    & skf18("4","3","8","8","1","7","1") = "7"
    & skf18("4","3","8","8","1","8","1") = "7"
    & skf18("4","3","8","8","1","9","1") = "8"
    & skf18("4","3","8","8","1","10","1") = "9"
    & skf18("4","3","8","8","2","1","1") = "7"
    & skf18("4","3","8","8","2","2","1") = "7"
    & skf18("4","3","8","8","2","3","1") = "7"
    & skf18("4","3","8","8","2","4","1") = "7"
    & skf18("4","3","8","8","2","5","1") = "7"
    & skf18("4","3","8","8","2","6","1") = "7"
    & skf18("4","3","8","8","2","7","1") = "7"
    & skf18("4","3","8","8","2","8","1") = "7"
    & skf18("4","3","8","8","2","9","1") = "8"
    & skf18("4","3","8","8","2","10","1") = "9"
    & skf18("4","3","8","8","3","1","1") = "7"
    & skf18("4","3","8","8","3","2","1") = "7"
    & skf18("4","3","8","8","3","3","1") = "7"
    & skf18("4","3","8","8","3","4","1") = "7"
    & skf18("4","3","8","8","3","5","1") = "7"
    & skf18("4","3","8","8","3","6","1") = "7"
    & skf18("4","3","8","8","3","7","1") = "7"
    & skf18("4","3","8","8","3","8","1") = "7"
    & skf18("4","3","8","8","3","9","1") = "8"
    & skf18("4","3","8","8","3","10","1") = "9"
    & skf18("4","3","8","8","4","1","1") = "7"
    & skf18("4","3","8","8","4","2","1") = "7"
    & skf18("4","3","8","8","4","3","1") = "7"
    & skf18("4","3","8","8","4","4","1") = "7"
    & skf18("4","3","8","8","4","5","1") = "7"
    & skf18("4","3","8","8","4","6","1") = "7"
    & skf18("4","3","8","8","4","7","1") = "7"
    & skf18("4","3","8","8","4","8","1") = "7"
    & skf18("4","3","8","8","4","9","1") = "8"
    & skf18("4","3","8","8","4","10","1") = "9"
    & skf18("4","3","8","8","5","1","1") = "7"
    & skf18("4","3","8","8","5","2","1") = "7"
    & skf18("4","3","8","8","5","3","1") = "7"
    & skf18("4","3","8","8","5","4","1") = "7"
    & skf18("4","3","8","8","5","5","1") = "7"
    & skf18("4","3","8","8","5","6","1") = "7"
    & skf18("4","3","8","8","5","7","1") = "7"
    & skf18("4","3","8","8","5","8","1") = "7"
    & skf18("4","3","8","8","5","9","1") = "8"
    & skf18("4","3","8","8","5","10","1") = "9"
    & skf18("4","3","8","8","6","1","1") = "7"
    & skf18("4","3","8","8","6","2","1") = "7"
    & skf18("4","3","8","8","6","3","1") = "7"
    & skf18("4","3","8","8","6","4","1") = "7"
    & skf18("4","3","8","8","6","5","1") = "7"
    & skf18("4","3","8","8","6","6","1") = "7"
    & skf18("4","3","8","8","6","7","1") = "7"
    & skf18("4","3","8","8","6","8","1") = "7"
    & skf18("4","3","8","8","6","9","1") = "8"
    & skf18("4","3","8","8","6","10","1") = "9"
    & skf18("4","3","8","8","7","1","1") = "7"
    & skf18("4","3","8","8","7","2","1") = "7"
    & skf18("4","3","8","8","7","3","1") = "7"
    & skf18("4","3","8","8","7","4","1") = "7"
    & skf18("4","3","8","8","7","5","1") = "7"
    & skf18("4","3","8","8","7","6","1") = "7"
    & skf18("4","3","8","8","7","7","1") = "7"
    & skf18("4","3","8","8","7","8","1") = "7"
    & skf18("4","3","8","8","7","9","1") = "8"
    & skf18("4","3","8","8","7","10","1") = "9"
    & skf18("4","3","8","8","8","1","1") = "7"
    & skf18("4","3","8","8","8","2","1") = "7"
    & skf18("4","3","8","8","8","3","1") = "7"
    & skf18("4","3","8","8","8","4","1") = "7"
    & skf18("4","3","8","8","8","5","1") = "7"
    & skf18("4","3","8","8","8","6","1") = "7"
    & skf18("4","3","8","8","8","7","1") = "7"
    & skf18("4","3","8","8","8","8","1") = "7"
    & skf18("4","3","8","8","8","9","1") = "8"
    & skf18("4","3","8","8","8","10","1") = "9"
    & skf18("4","3","8","8","9","1","1") = "8"
    & skf18("4","3","8","8","9","2","1") = "8"
    & skf18("4","3","8","8","9","3","1") = "8"
    & skf18("4","3","8","8","9","4","1") = "8"
    & skf18("4","3","8","8","9","5","1") = "8"
    & skf18("4","3","8","8","9","6","1") = "8"
    & skf18("4","3","8","8","9","7","1") = "8"
    & skf18("4","3","8","8","9","8","1") = "8"
    & skf18("4","3","8","8","9","9","1") = "8"
    & skf18("4","3","8","8","9","10","1") = "9"
    & skf18("4","3","8","8","10","1","1") = "9"
    & skf18("4","3","8","8","10","2","1") = "9"
    & skf18("4","3","8","8","10","3","1") = "9"
    & skf18("4","3","8","8","10","4","1") = "9"
    & skf18("4","3","8","8","10","5","1") = "9"
    & skf18("4","3","8","8","10","6","1") = "9"
    & skf18("4","3","8","8","10","7","1") = "9"
    & skf18("4","3","8","8","10","8","1") = "9"
    & skf18("4","3","8","8","10","9","1") = "9"
    & skf18("4","3","8","8","10","10","1") = "9"
    & skf18("4","3","8","9","1","1","1") = "8"
    & skf18("4","3","8","9","1","2","1") = "8"
    & skf18("4","3","8","9","1","3","1") = "8"
    & skf18("4","3","8","9","1","4","1") = "8"
    & skf18("4","3","8","9","1","5","1") = "8"
    & skf18("4","3","8","9","1","6","1") = "8"
    & skf18("4","3","8","9","1","7","1") = "8"
    & skf18("4","3","8","9","1","8","1") = "8"
    & skf18("4","3","8","9","1","9","1") = "8"
    & skf18("4","3","8","9","1","10","1") = "9"
    & skf18("4","3","8","9","2","1","1") = "8"
    & skf18("4","3","8","9","2","2","1") = "8"
    & skf18("4","3","8","9","2","3","1") = "8"
    & skf18("4","3","8","9","2","4","1") = "8"
    & skf18("4","3","8","9","2","5","1") = "8"
    & skf18("4","3","8","9","2","6","1") = "8"
    & skf18("4","3","8","9","2","7","1") = "8"
    & skf18("4","3","8","9","2","8","1") = "8"
    & skf18("4","3","8","9","2","9","1") = "8"
    & skf18("4","3","8","9","2","10","1") = "9"
    & skf18("4","3","8","9","3","1","1") = "8"
    & skf18("4","3","8","9","3","2","1") = "8"
    & skf18("4","3","8","9","3","3","1") = "8"
    & skf18("4","3","8","9","3","4","1") = "8"
    & skf18("4","3","8","9","3","5","1") = "8"
    & skf18("4","3","8","9","3","6","1") = "8"
    & skf18("4","3","8","9","3","7","1") = "8"
    & skf18("4","3","8","9","3","8","1") = "8"
    & skf18("4","3","8","9","3","9","1") = "8"
    & skf18("4","3","8","9","3","10","1") = "9"
    & skf18("4","3","8","9","4","1","1") = "8"
    & skf18("4","3","8","9","4","2","1") = "8"
    & skf18("4","3","8","9","4","3","1") = "8"
    & skf18("4","3","8","9","4","4","1") = "8"
    & skf18("4","3","8","9","4","5","1") = "8"
    & skf18("4","3","8","9","4","6","1") = "8"
    & skf18("4","3","8","9","4","7","1") = "8"
    & skf18("4","3","8","9","4","8","1") = "8"
    & skf18("4","3","8","9","4","9","1") = "8"
    & skf18("4","3","8","9","4","10","1") = "9"
    & skf18("4","3","8","9","5","1","1") = "8"
    & skf18("4","3","8","9","5","2","1") = "8"
    & skf18("4","3","8","9","5","3","1") = "8"
    & skf18("4","3","8","9","5","4","1") = "8"
    & skf18("4","3","8","9","5","5","1") = "8"
    & skf18("4","3","8","9","5","6","1") = "8"
    & skf18("4","3","8","9","5","7","1") = "8"
    & skf18("4","3","8","9","5","8","1") = "8"
    & skf18("4","3","8","9","5","9","1") = "8"
    & skf18("4","3","8","9","5","10","1") = "9"
    & skf18("4","3","8","9","6","1","1") = "8"
    & skf18("4","3","8","9","6","2","1") = "8"
    & skf18("4","3","8","9","6","3","1") = "8"
    & skf18("4","3","8","9","6","4","1") = "8"
    & skf18("4","3","8","9","6","5","1") = "8"
    & skf18("4","3","8","9","6","6","1") = "8"
    & skf18("4","3","8","9","6","7","1") = "8"
    & skf18("4","3","8","9","6","8","1") = "8"
    & skf18("4","3","8","9","6","9","1") = "8"
    & skf18("4","3","8","9","6","10","1") = "9"
    & skf18("4","3","8","9","7","1","1") = "8"
    & skf18("4","3","8","9","7","2","1") = "8"
    & skf18("4","3","8","9","7","3","1") = "8"
    & skf18("4","3","8","9","7","4","1") = "8"
    & skf18("4","3","8","9","7","5","1") = "8"
    & skf18("4","3","8","9","7","6","1") = "8"
    & skf18("4","3","8","9","7","7","1") = "8"
    & skf18("4","3","8","9","7","8","1") = "8"
    & skf18("4","3","8","9","7","9","1") = "8"
    & skf18("4","3","8","9","7","10","1") = "9"
    & skf18("4","3","8","9","8","1","1") = "8"
    & skf18("4","3","8","9","8","2","1") = "8"
    & skf18("4","3","8","9","8","3","1") = "8"
    & skf18("4","3","8","9","8","4","1") = "8"
    & skf18("4","3","8","9","8","5","1") = "8"
    & skf18("4","3","8","9","8","6","1") = "8"
    & skf18("4","3","8","9","8","7","1") = "8"
    & skf18("4","3","8","9","8","8","1") = "8"
    & skf18("4","3","8","9","8","9","1") = "8"
    & skf18("4","3","8","9","8","10","1") = "9"
    & skf18("4","3","8","9","9","1","1") = "8"
    & skf18("4","3","8","9","9","2","1") = "8"
    & skf18("4","3","8","9","9","3","1") = "8"
    & skf18("4","3","8","9","9","4","1") = "8"
    & skf18("4","3","8","9","9","5","1") = "8"
    & skf18("4","3","8","9","9","6","1") = "8"
    & skf18("4","3","8","9","9","7","1") = "8"
    & skf18("4","3","8","9","9","8","1") = "8"
    & skf18("4","3","8","9","9","9","1") = "8"
    & skf18("4","3","8","9","9","10","1") = "9"
    & skf18("4","3","8","9","10","1","1") = "9"
    & skf18("4","3","8","9","10","2","1") = "9"
    & skf18("4","3","8","9","10","3","1") = "9"
    & skf18("4","3","8","9","10","4","1") = "9"
    & skf18("4","3","8","9","10","5","1") = "9"
    & skf18("4","3","8","9","10","6","1") = "9"
    & skf18("4","3","8","9","10","7","1") = "9"
    & skf18("4","3","8","9","10","8","1") = "9"
    & skf18("4","3","8","9","10","9","1") = "9"
    & skf18("4","3","8","9","10","10","1") = "9"
    & skf18("4","3","8","10","1","1","1") = "9"
    & skf18("4","3","8","10","1","2","1") = "9"
    & skf18("4","3","8","10","1","3","1") = "9"
    & skf18("4","3","8","10","1","4","1") = "9"
    & skf18("4","3","8","10","1","5","1") = "9"
    & skf18("4","3","8","10","1","6","1") = "9"
    & skf18("4","3","8","10","1","7","1") = "9"
    & skf18("4","3","8","10","1","8","1") = "9"
    & skf18("4","3","8","10","1","9","1") = "9"
    & skf18("4","3","8","10","1","10","1") = "9"
    & skf18("4","3","8","10","2","1","1") = "9"
    & skf18("4","3","8","10","2","2","1") = "9"
    & skf18("4","3","8","10","2","3","1") = "9"
    & skf18("4","3","8","10","2","4","1") = "9"
    & skf18("4","3","8","10","2","5","1") = "9"
    & skf18("4","3","8","10","2","6","1") = "9"
    & skf18("4","3","8","10","2","7","1") = "9"
    & skf18("4","3","8","10","2","8","1") = "9"
    & skf18("4","3","8","10","2","9","1") = "9"
    & skf18("4","3","8","10","2","10","1") = "9"
    & skf18("4","3","8","10","3","1","1") = "9"
    & skf18("4","3","8","10","3","2","1") = "9"
    & skf18("4","3","8","10","3","3","1") = "9"
    & skf18("4","3","8","10","3","4","1") = "9"
    & skf18("4","3","8","10","3","5","1") = "9"
    & skf18("4","3","8","10","3","6","1") = "9"
    & skf18("4","3","8","10","3","7","1") = "9"
    & skf18("4","3","8","10","3","8","1") = "9"
    & skf18("4","3","8","10","3","9","1") = "9"
    & skf18("4","3","8","10","3","10","1") = "9"
    & skf18("4","3","8","10","4","1","1") = "9"
    & skf18("4","3","8","10","4","2","1") = "9"
    & skf18("4","3","8","10","4","3","1") = "9"
    & skf18("4","3","8","10","4","4","1") = "9"
    & skf18("4","3","8","10","4","5","1") = "9"
    & skf18("4","3","8","10","4","6","1") = "9"
    & skf18("4","3","8","10","4","7","1") = "9"
    & skf18("4","3","8","10","4","8","1") = "9"
    & skf18("4","3","8","10","4","9","1") = "9"
    & skf18("4","3","8","10","4","10","1") = "9"
    & skf18("4","3","8","10","5","1","1") = "9"
    & skf18("4","3","8","10","5","2","1") = "9"
    & skf18("4","3","8","10","5","3","1") = "9"
    & skf18("4","3","8","10","5","4","1") = "9"
    & skf18("4","3","8","10","5","5","1") = "9"
    & skf18("4","3","8","10","5","6","1") = "9"
    & skf18("4","3","8","10","5","7","1") = "9"
    & skf18("4","3","8","10","5","8","1") = "9"
    & skf18("4","3","8","10","5","9","1") = "9"
    & skf18("4","3","8","10","5","10","1") = "9"
    & skf18("4","3","8","10","6","1","1") = "9"
    & skf18("4","3","8","10","6","2","1") = "9"
    & skf18("4","3","8","10","6","3","1") = "9"
    & skf18("4","3","8","10","6","4","1") = "9"
    & skf18("4","3","8","10","6","5","1") = "9"
    & skf18("4","3","8","10","6","6","1") = "9"
    & skf18("4","3","8","10","6","7","1") = "9"
    & skf18("4","3","8","10","6","8","1") = "9"
    & skf18("4","3","8","10","6","9","1") = "9"
    & skf18("4","3","8","10","6","10","1") = "9"
    & skf18("4","3","8","10","7","1","1") = "9"
    & skf18("4","3","8","10","7","2","1") = "9"
    & skf18("4","3","8","10","7","3","1") = "9"
    & skf18("4","3","8","10","7","4","1") = "9"
    & skf18("4","3","8","10","7","5","1") = "9"
    & skf18("4","3","8","10","7","6","1") = "9"
    & skf18("4","3","8","10","7","7","1") = "9"
    & skf18("4","3","8","10","7","8","1") = "9"
    & skf18("4","3","8","10","7","9","1") = "9"
    & skf18("4","3","8","10","7","10","1") = "9"
    & skf18("4","3","8","10","8","1","1") = "9"
    & skf18("4","3","8","10","8","2","1") = "9"
    & skf18("4","3","8","10","8","3","1") = "9"
    & skf18("4","3","8","10","8","4","1") = "9"
    & skf18("4","3","8","10","8","5","1") = "9"
    & skf18("4","3","8","10","8","6","1") = "9"
    & skf18("4","3","8","10","8","7","1") = "9"
    & skf18("4","3","8","10","8","8","1") = "9"
    & skf18("4","3","8","10","8","9","1") = "9"
    & skf18("4","3","8","10","8","10","1") = "9"
    & skf18("4","3","8","10","9","1","1") = "9"
    & skf18("4","3","8","10","9","2","1") = "9"
    & skf18("4","3","8","10","9","3","1") = "9"
    & skf18("4","3","8","10","9","4","1") = "9"
    & skf18("4","3","8","10","9","5","1") = "9"
    & skf18("4","3","8","10","9","6","1") = "9"
    & skf18("4","3","8","10","9","7","1") = "9"
    & skf18("4","3","8","10","9","8","1") = "9"
    & skf18("4","3","8","10","9","9","1") = "9"
    & skf18("4","3","8","10","9","10","1") = "9"
    & skf18("4","3","8","10","10","1","1") = "9"
    & skf18("4","3","8","10","10","2","1") = "9"
    & skf18("4","3","8","10","10","3","1") = "9"
    & skf18("4","3","8","10","10","4","1") = "9"
    & skf18("4","3","8","10","10","5","1") = "9"
    & skf18("4","3","8","10","10","6","1") = "9"
    & skf18("4","3","8","10","10","7","1") = "9"
    & skf18("4","3","8","10","10","8","1") = "9"
    & skf18("4","3","8","10","10","9","1") = "9"
    & skf18("4","3","8","10","10","10","1") = "9"
    & skf18("4","3","9","1","1","1","1") = "8"
    & skf18("4","3","9","1","1","2","1") = "8"
    & skf18("4","3","9","1","1","3","1") = "8"
    & skf18("4","3","9","1","1","4","1") = "8"
    & skf18("4","3","9","1","1","5","1") = "8"
    & skf18("4","3","9","1","1","6","1") = "8"
    & skf18("4","3","9","1","1","7","1") = "8"
    & skf18("4","3","9","1","1","8","1") = "8"
    & skf18("4","3","9","1","1","9","1") = "8"
    & skf18("4","3","9","1","1","10","1") = "9"
    & skf18("4","3","9","1","2","1","1") = "8"
    & skf18("4","3","9","1","2","2","1") = "8"
    & skf18("4","3","9","1","2","3","1") = "8"
    & skf18("4","3","9","1","2","4","1") = "8"
    & skf18("4","3","9","1","2","5","1") = "8"
    & skf18("4","3","9","1","2","6","1") = "8"
    & skf18("4","3","9","1","2","7","1") = "8"
    & skf18("4","3","9","1","2","8","1") = "8"
    & skf18("4","3","9","1","2","9","1") = "8"
    & skf18("4","3","9","1","2","10","1") = "9"
    & skf18("4","3","9","1","3","1","1") = "8"
    & skf18("4","3","9","1","3","2","1") = "8"
    & skf18("4","3","9","1","3","3","1") = "8"
    & skf18("4","3","9","1","3","4","1") = "8"
    & skf18("4","3","9","1","3","5","1") = "8"
    & skf18("4","3","9","1","3","6","1") = "8"
    & skf18("4","3","9","1","3","7","1") = "8"
    & skf18("4","3","9","1","3","8","1") = "8"
    & skf18("4","3","9","1","3","9","1") = "8"
    & skf18("4","3","9","1","3","10","1") = "9"
    & skf18("4","3","9","1","4","1","1") = "8"
    & skf18("4","3","9","1","4","2","1") = "8"
    & skf18("4","3","9","1","4","3","1") = "8"
    & skf18("4","3","9","1","4","4","1") = "8"
    & skf18("4","3","9","1","4","5","1") = "8"
    & skf18("4","3","9","1","4","6","1") = "8"
    & skf18("4","3","9","1","4","7","1") = "8"
    & skf18("4","3","9","1","4","8","1") = "8"
    & skf18("4","3","9","1","4","9","1") = "8"
    & skf18("4","3","9","1","4","10","1") = "9"
    & skf18("4","3","9","1","5","1","1") = "8"
    & skf18("4","3","9","1","5","2","1") = "8"
    & skf18("4","3","9","1","5","3","1") = "8"
    & skf18("4","3","9","1","5","4","1") = "8"
    & skf18("4","3","9","1","5","5","1") = "8"
    & skf18("4","3","9","1","5","6","1") = "8"
    & skf18("4","3","9","1","5","7","1") = "8"
    & skf18("4","3","9","1","5","8","1") = "8"
    & skf18("4","3","9","1","5","9","1") = "8"
    & skf18("4","3","9","1","5","10","1") = "9"
    & skf18("4","3","9","1","6","1","1") = "8"
    & skf18("4","3","9","1","6","2","1") = "8"
    & skf18("4","3","9","1","6","3","1") = "8"
    & skf18("4","3","9","1","6","4","1") = "8"
    & skf18("4","3","9","1","6","5","1") = "8"
    & skf18("4","3","9","1","6","6","1") = "8"
    & skf18("4","3","9","1","6","7","1") = "8"
    & skf18("4","3","9","1","6","8","1") = "8"
    & skf18("4","3","9","1","6","9","1") = "8"
    & skf18("4","3","9","1","6","10","1") = "9"
    & skf18("4","3","9","1","7","1","1") = "8"
    & skf18("4","3","9","1","7","2","1") = "8"
    & skf18("4","3","9","1","7","3","1") = "8"
    & skf18("4","3","9","1","7","4","1") = "8"
    & skf18("4","3","9","1","7","5","1") = "8"
    & skf18("4","3","9","1","7","6","1") = "8"
    & skf18("4","3","9","1","7","7","1") = "8"
    & skf18("4","3","9","1","7","8","1") = "8"
    & skf18("4","3","9","1","7","9","1") = "8"
    & skf18("4","3","9","1","7","10","1") = "9"
    & skf18("4","3","9","1","8","1","1") = "8"
    & skf18("4","3","9","1","8","2","1") = "8"
    & skf18("4","3","9","1","8","3","1") = "8"
    & skf18("4","3","9","1","8","4","1") = "8"
    & skf18("4","3","9","1","8","5","1") = "8"
    & skf18("4","3","9","1","8","6","1") = "8"
    & skf18("4","3","9","1","8","7","1") = "8"
    & skf18("4","3","9","1","8","8","1") = "8"
    & skf18("4","3","9","1","8","9","1") = "8"
    & skf18("4","3","9","1","8","10","1") = "9"
    & skf18("4","3","9","1","9","1","1") = "8"
    & skf18("4","3","9","1","9","2","1") = "8"
    & skf18("4","3","9","1","9","3","1") = "8"
    & skf18("4","3","9","1","9","4","1") = "8"
    & skf18("4","3","9","1","9","5","1") = "8"
    & skf18("4","3","9","1","9","6","1") = "8"
    & skf18("4","3","9","1","9","7","1") = "8"
    & skf18("4","3","9","1","9","8","1") = "8"
    & skf18("4","3","9","1","9","9","1") = "8"
    & skf18("4","3","9","1","9","10","1") = "9"
    & skf18("4","3","9","1","10","1","1") = "9"
    & skf18("4","3","9","1","10","2","1") = "9"
    & skf18("4","3","9","1","10","3","1") = "9"
    & skf18("4","3","9","1","10","4","1") = "9"
    & skf18("4","3","9","1","10","5","1") = "9"
    & skf18("4","3","9","1","10","6","1") = "9"
    & skf18("4","3","9","1","10","7","1") = "9"
    & skf18("4","3","9","1","10","8","1") = "9"
    & skf18("4","3","9","1","10","9","1") = "9"
    & skf18("4","3","9","1","10","10","1") = "9"
    & skf18("4","3","9","2","1","1","1") = "8"
    & skf18("4","3","9","2","1","2","1") = "8"
    & skf18("4","3","9","2","1","3","1") = "8"
    & skf18("4","3","9","2","1","4","1") = "8"
    & skf18("4","3","9","2","1","5","1") = "8"
    & skf18("4","3","9","2","1","6","1") = "8"
    & skf18("4","3","9","2","1","7","1") = "8"
    & skf18("4","3","9","2","1","8","1") = "8"
    & skf18("4","3","9","2","1","9","1") = "8"
    & skf18("4","3","9","2","1","10","1") = "9"
    & skf18("4","3","9","2","2","1","1") = "8"
    & skf18("4","3","9","2","2","2","1") = "8"
    & skf18("4","3","9","2","2","3","1") = "8"
    & skf18("4","3","9","2","2","4","1") = "8"
    & skf18("4","3","9","2","2","5","1") = "8"
    & skf18("4","3","9","2","2","6","1") = "8"
    & skf18("4","3","9","2","2","7","1") = "8"
    & skf18("4","3","9","2","2","8","1") = "8"
    & skf18("4","3","9","2","2","9","1") = "8"
    & skf18("4","3","9","2","2","10","1") = "9"
    & skf18("4","3","9","2","3","1","1") = "8"
    & skf18("4","3","9","2","3","2","1") = "8"
    & skf18("4","3","9","2","3","3","1") = "8"
    & skf18("4","3","9","2","3","4","1") = "8"
    & skf18("4","3","9","2","3","5","1") = "8"
    & skf18("4","3","9","2","3","6","1") = "8"
    & skf18("4","3","9","2","3","7","1") = "8"
    & skf18("4","3","9","2","3","8","1") = "8"
    & skf18("4","3","9","2","3","9","1") = "8"
    & skf18("4","3","9","2","3","10","1") = "9"
    & skf18("4","3","9","2","4","1","1") = "8"
    & skf18("4","3","9","2","4","2","1") = "8"
    & skf18("4","3","9","2","4","3","1") = "8"
    & skf18("4","3","9","2","4","4","1") = "8"
    & skf18("4","3","9","2","4","5","1") = "8"
    & skf18("4","3","9","2","4","6","1") = "8"
    & skf18("4","3","9","2","4","7","1") = "8"
    & skf18("4","3","9","2","4","8","1") = "8"
    & skf18("4","3","9","2","4","9","1") = "8"
    & skf18("4","3","9","2","4","10","1") = "9"
    & skf18("4","3","9","2","5","1","1") = "8"
    & skf18("4","3","9","2","5","2","1") = "8"
    & skf18("4","3","9","2","5","3","1") = "8"
    & skf18("4","3","9","2","5","4","1") = "8"
    & skf18("4","3","9","2","5","5","1") = "8"
    & skf18("4","3","9","2","5","6","1") = "8"
    & skf18("4","3","9","2","5","7","1") = "8"
    & skf18("4","3","9","2","5","8","1") = "8"
    & skf18("4","3","9","2","5","9","1") = "8"
    & skf18("4","3","9","2","5","10","1") = "9"
    & skf18("4","3","9","2","6","1","1") = "8"
    & skf18("4","3","9","2","6","2","1") = "8"
    & skf18("4","3","9","2","6","3","1") = "8"
    & skf18("4","3","9","2","6","4","1") = "8"
    & skf18("4","3","9","2","6","5","1") = "8"
    & skf18("4","3","9","2","6","6","1") = "8"
    & skf18("4","3","9","2","6","7","1") = "8"
    & skf18("4","3","9","2","6","8","1") = "8"
    & skf18("4","3","9","2","6","9","1") = "8"
    & skf18("4","3","9","2","6","10","1") = "9"
    & skf18("4","3","9","2","7","1","1") = "8"
    & skf18("4","3","9","2","7","2","1") = "8"
    & skf18("4","3","9","2","7","3","1") = "8"
    & skf18("4","3","9","2","7","4","1") = "8"
    & skf18("4","3","9","2","7","5","1") = "8"
    & skf18("4","3","9","2","7","6","1") = "8"
    & skf18("4","3","9","2","7","7","1") = "8"
    & skf18("4","3","9","2","7","8","1") = "8"
    & skf18("4","3","9","2","7","9","1") = "8"
    & skf18("4","3","9","2","7","10","1") = "9"
    & skf18("4","3","9","2","8","1","1") = "8"
    & skf18("4","3","9","2","8","2","1") = "8"
    & skf18("4","3","9","2","8","3","1") = "8"
    & skf18("4","3","9","2","8","4","1") = "8"
    & skf18("4","3","9","2","8","5","1") = "8"
    & skf18("4","3","9","2","8","6","1") = "8"
    & skf18("4","3","9","2","8","7","1") = "8"
    & skf18("4","3","9","2","8","8","1") = "8"
    & skf18("4","3","9","2","8","9","1") = "8"
    & skf18("4","3","9","2","8","10","1") = "9"
    & skf18("4","3","9","2","9","1","1") = "8"
    & skf18("4","3","9","2","9","2","1") = "8"
    & skf18("4","3","9","2","9","3","1") = "8"
    & skf18("4","3","9","2","9","4","1") = "8"
    & skf18("4","3","9","2","9","5","1") = "8"
    & skf18("4","3","9","2","9","6","1") = "8"
    & skf18("4","3","9","2","9","7","1") = "8"
    & skf18("4","3","9","2","9","8","1") = "8"
    & skf18("4","3","9","2","9","9","1") = "8"
    & skf18("4","3","9","2","9","10","1") = "9"
    & skf18("4","3","9","2","10","1","1") = "9"
    & skf18("4","3","9","2","10","2","1") = "9"
    & skf18("4","3","9","2","10","3","1") = "9"
    & skf18("4","3","9","2","10","4","1") = "9"
    & skf18("4","3","9","2","10","5","1") = "9"
    & skf18("4","3","9","2","10","6","1") = "9"
    & skf18("4","3","9","2","10","7","1") = "9"
    & skf18("4","3","9","2","10","8","1") = "9"
    & skf18("4","3","9","2","10","9","1") = "9"
    & skf18("4","3","9","2","10","10","1") = "9"
    & skf18("4","3","9","3","1","1","1") = "8"
    & skf18("4","3","9","3","1","2","1") = "8"
    & skf18("4","3","9","3","1","3","1") = "8"
    & skf18("4","3","9","3","1","4","1") = "8"
    & skf18("4","3","9","3","1","5","1") = "8"
    & skf18("4","3","9","3","1","6","1") = "8"
    & skf18("4","3","9","3","1","7","1") = "8"
    & skf18("4","3","9","3","1","8","1") = "8"
    & skf18("4","3","9","3","1","9","1") = "8"
    & skf18("4","3","9","3","1","10","1") = "9"
    & skf18("4","3","9","3","2","1","1") = "8"
    & skf18("4","3","9","3","2","2","1") = "8"
    & skf18("4","3","9","3","2","3","1") = "8"
    & skf18("4","3","9","3","2","4","1") = "8"
    & skf18("4","3","9","3","2","5","1") = "8"
    & skf18("4","3","9","3","2","6","1") = "8"
    & skf18("4","3","9","3","2","7","1") = "8"
    & skf18("4","3","9","3","2","8","1") = "8"
    & skf18("4","3","9","3","2","9","1") = "8"
    & skf18("4","3","9","3","2","10","1") = "9"
    & skf18("4","3","9","3","3","1","1") = "8"
    & skf18("4","3","9","3","3","2","1") = "8"
    & skf18("4","3","9","3","3","3","1") = "8"
    & skf18("4","3","9","3","3","4","1") = "8"
    & skf18("4","3","9","3","3","5","1") = "8"
    & skf18("4","3","9","3","3","6","1") = "8"
    & skf18("4","3","9","3","3","7","1") = "8"
    & skf18("4","3","9","3","3","8","1") = "8"
    & skf18("4","3","9","3","3","9","1") = "8"
    & skf18("4","3","9","3","3","10","1") = "9"
    & skf18("4","3","9","3","4","1","1") = "8"
    & skf18("4","3","9","3","4","2","1") = "8"
    & skf18("4","3","9","3","4","3","1") = "8"
    & skf18("4","3","9","3","4","4","1") = "8"
    & skf18("4","3","9","3","4","5","1") = "8"
    & skf18("4","3","9","3","4","6","1") = "8"
    & skf18("4","3","9","3","4","7","1") = "8"
    & skf18("4","3","9","3","4","8","1") = "8"
    & skf18("4","3","9","3","4","9","1") = "8"
    & skf18("4","3","9","3","4","10","1") = "9"
    & skf18("4","3","9","3","5","1","1") = "8"
    & skf18("4","3","9","3","5","2","1") = "8"
    & skf18("4","3","9","3","5","3","1") = "8"
    & skf18("4","3","9","3","5","4","1") = "8"
    & skf18("4","3","9","3","5","5","1") = "8"
    & skf18("4","3","9","3","5","6","1") = "8"
    & skf18("4","3","9","3","5","7","1") = "8"
    & skf18("4","3","9","3","5","8","1") = "8"
    & skf18("4","3","9","3","5","9","1") = "8"
    & skf18("4","3","9","3","5","10","1") = "9"
    & skf18("4","3","9","3","6","1","1") = "8"
    & skf18("4","3","9","3","6","2","1") = "8"
    & skf18("4","3","9","3","6","3","1") = "8"
    & skf18("4","3","9","3","6","4","1") = "8"
    & skf18("4","3","9","3","6","5","1") = "8"
    & skf18("4","3","9","3","6","6","1") = "8"
    & skf18("4","3","9","3","6","7","1") = "8"
    & skf18("4","3","9","3","6","8","1") = "8"
    & skf18("4","3","9","3","6","9","1") = "8"
    & skf18("4","3","9","3","6","10","1") = "9"
    & skf18("4","3","9","3","7","1","1") = "8"
    & skf18("4","3","9","3","7","2","1") = "8"
    & skf18("4","3","9","3","7","3","1") = "8"
    & skf18("4","3","9","3","7","4","1") = "8"
    & skf18("4","3","9","3","7","5","1") = "8"
    & skf18("4","3","9","3","7","6","1") = "8"
    & skf18("4","3","9","3","7","7","1") = "8"
    & skf18("4","3","9","3","7","8","1") = "8"
    & skf18("4","3","9","3","7","9","1") = "8"
    & skf18("4","3","9","3","7","10","1") = "9"
    & skf18("4","3","9","3","8","1","1") = "8"
    & skf18("4","3","9","3","8","2","1") = "8"
    & skf18("4","3","9","3","8","3","1") = "8"
    & skf18("4","3","9","3","8","4","1") = "8"
    & skf18("4","3","9","3","8","5","1") = "8"
    & skf18("4","3","9","3","8","6","1") = "8"
    & skf18("4","3","9","3","8","7","1") = "8"
    & skf18("4","3","9","3","8","8","1") = "8"
    & skf18("4","3","9","3","8","9","1") = "8"
    & skf18("4","3","9","3","8","10","1") = "9"
    & skf18("4","3","9","3","9","1","1") = "8"
    & skf18("4","3","9","3","9","2","1") = "8"
    & skf18("4","3","9","3","9","3","1") = "8"
    & skf18("4","3","9","3","9","4","1") = "8"
    & skf18("4","3","9","3","9","5","1") = "8"
    & skf18("4","3","9","3","9","6","1") = "8"
    & skf18("4","3","9","3","9","7","1") = "8"
    & skf18("4","3","9","3","9","8","1") = "8"
    & skf18("4","3","9","3","9","9","1") = "8"
    & skf18("4","3","9","3","9","10","1") = "9"
    & skf18("4","3","9","3","10","1","1") = "9"
    & skf18("4","3","9","3","10","2","1") = "9"
    & skf18("4","3","9","3","10","3","1") = "9"
    & skf18("4","3","9","3","10","4","1") = "9"
    & skf18("4","3","9","3","10","5","1") = "9"
    & skf18("4","3","9","3","10","6","1") = "9"
    & skf18("4","3","9","3","10","7","1") = "9"
    & skf18("4","3","9","3","10","8","1") = "9"
    & skf18("4","3","9","3","10","9","1") = "9"
    & skf18("4","3","9","3","10","10","1") = "9"
    & skf18("4","3","9","4","1","1","1") = "8"
    & skf18("4","3","9","4","1","2","1") = "8"
    & skf18("4","3","9","4","1","3","1") = "8"
    & skf18("4","3","9","4","1","4","1") = "8"
    & skf18("4","3","9","4","1","5","1") = "8"
    & skf18("4","3","9","4","1","6","1") = "8"
    & skf18("4","3","9","4","1","7","1") = "8"
    & skf18("4","3","9","4","1","8","1") = "8"
    & skf18("4","3","9","4","1","9","1") = "8"
    & skf18("4","3","9","4","1","10","1") = "9"
    & skf18("4","3","9","4","2","1","1") = "8"
    & skf18("4","3","9","4","2","2","1") = "8"
    & skf18("4","3","9","4","2","3","1") = "8"
    & skf18("4","3","9","4","2","4","1") = "8"
    & skf18("4","3","9","4","2","5","1") = "8"
    & skf18("4","3","9","4","2","6","1") = "8"
    & skf18("4","3","9","4","2","7","1") = "8"
    & skf18("4","3","9","4","2","8","1") = "8"
    & skf18("4","3","9","4","2","9","1") = "8"
    & skf18("4","3","9","4","2","10","1") = "9"
    & skf18("4","3","9","4","3","1","1") = "8"
    & skf18("4","3","9","4","3","2","1") = "8"
    & skf18("4","3","9","4","3","3","1") = "8"
    & skf18("4","3","9","4","3","4","1") = "8"
    & skf18("4","3","9","4","3","5","1") = "8"
    & skf18("4","3","9","4","3","6","1") = "8"
    & skf18("4","3","9","4","3","7","1") = "8"
    & skf18("4","3","9","4","3","8","1") = "8"
    & skf18("4","3","9","4","3","9","1") = "8"
    & skf18("4","3","9","4","3","10","1") = "9"
    & skf18("4","3","9","4","4","1","1") = "8"
    & skf18("4","3","9","4","4","2","1") = "8"
    & skf18("4","3","9","4","4","3","1") = "8"
    & skf18("4","3","9","4","4","4","1") = "8"
    & skf18("4","3","9","4","4","5","1") = "8"
    & skf18("4","3","9","4","4","6","1") = "8"
    & skf18("4","3","9","4","4","7","1") = "8"
    & skf18("4","3","9","4","4","8","1") = "8"
    & skf18("4","3","9","4","4","9","1") = "8"
    & skf18("4","3","9","4","4","10","1") = "9"
    & skf18("4","3","9","4","5","1","1") = "8"
    & skf18("4","3","9","4","5","2","1") = "8"
    & skf18("4","3","9","4","5","3","1") = "8"
    & skf18("4","3","9","4","5","4","1") = "8"
    & skf18("4","3","9","4","5","5","1") = "8"
    & skf18("4","3","9","4","5","6","1") = "8"
    & skf18("4","3","9","4","5","7","1") = "8"
    & skf18("4","3","9","4","5","8","1") = "8"
    & skf18("4","3","9","4","5","9","1") = "8"
    & skf18("4","3","9","4","5","10","1") = "9"
    & skf18("4","3","9","4","6","1","1") = "8"
    & skf18("4","3","9","4","6","2","1") = "8"
    & skf18("4","3","9","4","6","3","1") = "8"
    & skf18("4","3","9","4","6","4","1") = "8"
    & skf18("4","3","9","4","6","5","1") = "8"
    & skf18("4","3","9","4","6","6","1") = "8"
    & skf18("4","3","9","4","6","7","1") = "8"
    & skf18("4","3","9","4","6","8","1") = "8"
    & skf18("4","3","9","4","6","9","1") = "8"
    & skf18("4","3","9","4","6","10","1") = "9"
    & skf18("4","3","9","4","7","1","1") = "8"
    & skf18("4","3","9","4","7","2","1") = "8"
    & skf18("4","3","9","4","7","3","1") = "8"
    & skf18("4","3","9","4","7","4","1") = "8"
    & skf18("4","3","9","4","7","5","1") = "8"
    & skf18("4","3","9","4","7","6","1") = "8"
    & skf18("4","3","9","4","7","7","1") = "8"
    & skf18("4","3","9","4","7","8","1") = "8"
    & skf18("4","3","9","4","7","9","1") = "8"
    & skf18("4","3","9","4","7","10","1") = "9"
    & skf18("4","3","9","4","8","1","1") = "8"
    & skf18("4","3","9","4","8","2","1") = "8"
    & skf18("4","3","9","4","8","3","1") = "8"
    & skf18("4","3","9","4","8","4","1") = "8"
    & skf18("4","3","9","4","8","5","1") = "8"
    & skf18("4","3","9","4","8","6","1") = "8"
    & skf18("4","3","9","4","8","7","1") = "8"
    & skf18("4","3","9","4","8","8","1") = "8"
    & skf18("4","3","9","4","8","9","1") = "8"
    & skf18("4","3","9","4","8","10","1") = "9"
    & skf18("4","3","9","4","9","1","1") = "8"
    & skf18("4","3","9","4","9","2","1") = "8"
    & skf18("4","3","9","4","9","3","1") = "8"
    & skf18("4","3","9","4","9","4","1") = "8"
    & skf18("4","3","9","4","9","5","1") = "8"
    & skf18("4","3","9","4","9","6","1") = "8"
    & skf18("4","3","9","4","9","7","1") = "8"
    & skf18("4","3","9","4","9","8","1") = "8"
    & skf18("4","3","9","4","9","9","1") = "8"
    & skf18("4","3","9","4","9","10","1") = "9"
    & skf18("4","3","9","4","10","1","1") = "9"
    & skf18("4","3","9","4","10","2","1") = "9"
    & skf18("4","3","9","4","10","3","1") = "9"
    & skf18("4","3","9","4","10","4","1") = "9"
    & skf18("4","3","9","4","10","5","1") = "9"
    & skf18("4","3","9","4","10","6","1") = "9"
    & skf18("4","3","9","4","10","7","1") = "9"
    & skf18("4","3","9","4","10","8","1") = "9"
    & skf18("4","3","9","4","10","9","1") = "9"
    & skf18("4","3","9","4","10","10","1") = "9"
    & skf18("4","3","9","5","1","1","1") = "8"
    & skf18("4","3","9","5","1","2","1") = "8"
    & skf18("4","3","9","5","1","3","1") = "8"
    & skf18("4","3","9","5","1","4","1") = "8"
    & skf18("4","3","9","5","1","5","1") = "8"
    & skf18("4","3","9","5","1","6","1") = "8"
    & skf18("4","3","9","5","1","7","1") = "8"
    & skf18("4","3","9","5","1","8","1") = "8"
    & skf18("4","3","9","5","1","9","1") = "8"
    & skf18("4","3","9","5","1","10","1") = "9"
    & skf18("4","3","9","5","2","1","1") = "8"
    & skf18("4","3","9","5","2","2","1") = "8"
    & skf18("4","3","9","5","2","3","1") = "8"
    & skf18("4","3","9","5","2","4","1") = "8"
    & skf18("4","3","9","5","2","5","1") = "8"
    & skf18("4","3","9","5","2","6","1") = "8"
    & skf18("4","3","9","5","2","7","1") = "8"
    & skf18("4","3","9","5","2","8","1") = "8"
    & skf18("4","3","9","5","2","9","1") = "8"
    & skf18("4","3","9","5","2","10","1") = "9"
    & skf18("4","3","9","5","3","1","1") = "8"
    & skf18("4","3","9","5","3","2","1") = "8"
    & skf18("4","3","9","5","3","3","1") = "8"
    & skf18("4","3","9","5","3","4","1") = "8"
    & skf18("4","3","9","5","3","5","1") = "8"
    & skf18("4","3","9","5","3","6","1") = "8"
    & skf18("4","3","9","5","3","7","1") = "8"
    & skf18("4","3","9","5","3","8","1") = "8"
    & skf18("4","3","9","5","3","9","1") = "8"
    & skf18("4","3","9","5","3","10","1") = "9"
    & skf18("4","3","9","5","4","1","1") = "8"
    & skf18("4","3","9","5","4","2","1") = "8"
    & skf18("4","3","9","5","4","3","1") = "8"
    & skf18("4","3","9","5","4","4","1") = "8"
    & skf18("4","3","9","5","4","5","1") = "8"
    & skf18("4","3","9","5","4","6","1") = "8"
    & skf18("4","3","9","5","4","7","1") = "8"
    & skf18("4","3","9","5","4","8","1") = "8"
    & skf18("4","3","9","5","4","9","1") = "8"
    & skf18("4","3","9","5","4","10","1") = "9"
    & skf18("4","3","9","5","5","1","1") = "8"
    & skf18("4","3","9","5","5","2","1") = "8"
    & skf18("4","3","9","5","5","3","1") = "8"
    & skf18("4","3","9","5","5","4","1") = "8"
    & skf18("4","3","9","5","5","5","1") = "8"
    & skf18("4","3","9","5","5","6","1") = "8"
    & skf18("4","3","9","5","5","7","1") = "8"
    & skf18("4","3","9","5","5","8","1") = "8"
    & skf18("4","3","9","5","5","9","1") = "8"
    & skf18("4","3","9","5","5","10","1") = "9"
    & skf18("4","3","9","5","6","1","1") = "8"
    & skf18("4","3","9","5","6","2","1") = "8"
    & skf18("4","3","9","5","6","3","1") = "8"
    & skf18("4","3","9","5","6","4","1") = "8"
    & skf18("4","3","9","5","6","5","1") = "8"
    & skf18("4","3","9","5","6","6","1") = "8"
    & skf18("4","3","9","5","6","7","1") = "8"
    & skf18("4","3","9","5","6","8","1") = "8"
    & skf18("4","3","9","5","6","9","1") = "8"
    & skf18("4","3","9","5","6","10","1") = "9"
    & skf18("4","3","9","5","7","1","1") = "8"
    & skf18("4","3","9","5","7","2","1") = "8"
    & skf18("4","3","9","5","7","3","1") = "8"
    & skf18("4","3","9","5","7","4","1") = "8"
    & skf18("4","3","9","5","7","5","1") = "8"
    & skf18("4","3","9","5","7","6","1") = "8"
    & skf18("4","3","9","5","7","7","1") = "8"
    & skf18("4","3","9","5","7","8","1") = "8"
    & skf18("4","3","9","5","7","9","1") = "8"
    & skf18("4","3","9","5","7","10","1") = "9"
    & skf18("4","3","9","5","8","1","1") = "8"
    & skf18("4","3","9","5","8","2","1") = "8"
    & skf18("4","3","9","5","8","3","1") = "8"
    & skf18("4","3","9","5","8","4","1") = "8"
    & skf18("4","3","9","5","8","5","1") = "8"
    & skf18("4","3","9","5","8","6","1") = "8"
    & skf18("4","3","9","5","8","7","1") = "8"
    & skf18("4","3","9","5","8","8","1") = "8"
    & skf18("4","3","9","5","8","9","1") = "8"
    & skf18("4","3","9","5","8","10","1") = "9"
    & skf18("4","3","9","5","9","1","1") = "8"
    & skf18("4","3","9","5","9","2","1") = "8"
    & skf18("4","3","9","5","9","3","1") = "8"
    & skf18("4","3","9","5","9","4","1") = "8"
    & skf18("4","3","9","5","9","5","1") = "8"
    & skf18("4","3","9","5","9","6","1") = "8"
    & skf18("4","3","9","5","9","7","1") = "8"
    & skf18("4","3","9","5","9","8","1") = "8"
    & skf18("4","3","9","5","9","9","1") = "8"
    & skf18("4","3","9","5","9","10","1") = "9"
    & skf18("4","3","9","5","10","1","1") = "9"
    & skf18("4","3","9","5","10","2","1") = "9"
    & skf18("4","3","9","5","10","3","1") = "9"
    & skf18("4","3","9","5","10","4","1") = "9"
    & skf18("4","3","9","5","10","5","1") = "9"
    & skf18("4","3","9","5","10","6","1") = "9"
    & skf18("4","3","9","5","10","7","1") = "9"
    & skf18("4","3","9","5","10","8","1") = "9"
    & skf18("4","3","9","5","10","9","1") = "9"
    & skf18("4","3","9","5","10","10","1") = "9"
    & skf18("4","3","9","6","1","1","1") = "8"
    & skf18("4","3","9","6","1","2","1") = "8"
    & skf18("4","3","9","6","1","3","1") = "8"
    & skf18("4","3","9","6","1","4","1") = "8"
    & skf18("4","3","9","6","1","5","1") = "8"
    & skf18("4","3","9","6","1","6","1") = "8"
    & skf18("4","3","9","6","1","7","1") = "8"
    & skf18("4","3","9","6","1","8","1") = "8"
    & skf18("4","3","9","6","1","9","1") = "8"
    & skf18("4","3","9","6","1","10","1") = "9"
    & skf18("4","3","9","6","2","1","1") = "8"
    & skf18("4","3","9","6","2","2","1") = "8"
    & skf18("4","3","9","6","2","3","1") = "8"
    & skf18("4","3","9","6","2","4","1") = "8"
    & skf18("4","3","9","6","2","5","1") = "8"
    & skf18("4","3","9","6","2","6","1") = "8"
    & skf18("4","3","9","6","2","7","1") = "8"
    & skf18("4","3","9","6","2","8","1") = "8"
    & skf18("4","3","9","6","2","9","1") = "8"
    & skf18("4","3","9","6","2","10","1") = "9"
    & skf18("4","3","9","6","3","1","1") = "8"
    & skf18("4","3","9","6","3","2","1") = "8"
    & skf18("4","3","9","6","3","3","1") = "8"
    & skf18("4","3","9","6","3","4","1") = "8"
    & skf18("4","3","9","6","3","5","1") = "8"
    & skf18("4","3","9","6","3","6","1") = "8"
    & skf18("4","3","9","6","3","7","1") = "8"
    & skf18("4","3","9","6","3","8","1") = "8"
    & skf18("4","3","9","6","3","9","1") = "8"
    & skf18("4","3","9","6","3","10","1") = "9"
    & skf18("4","3","9","6","4","1","1") = "8"
    & skf18("4","3","9","6","4","2","1") = "8"
    & skf18("4","3","9","6","4","3","1") = "8"
    & skf18("4","3","9","6","4","4","1") = "8"
    & skf18("4","3","9","6","4","5","1") = "8"
    & skf18("4","3","9","6","4","6","1") = "8"
    & skf18("4","3","9","6","4","7","1") = "8"
    & skf18("4","3","9","6","4","8","1") = "8"
    & skf18("4","3","9","6","4","9","1") = "8"
    & skf18("4","3","9","6","4","10","1") = "9"
    & skf18("4","3","9","6","5","1","1") = "8"
    & skf18("4","3","9","6","5","2","1") = "8"
    & skf18("4","3","9","6","5","3","1") = "8"
    & skf18("4","3","9","6","5","4","1") = "8"
    & skf18("4","3","9","6","5","5","1") = "8"
    & skf18("4","3","9","6","5","6","1") = "8"
    & skf18("4","3","9","6","5","7","1") = "8"
    & skf18("4","3","9","6","5","8","1") = "8"
    & skf18("4","3","9","6","5","9","1") = "8"
    & skf18("4","3","9","6","5","10","1") = "9"
    & skf18("4","3","9","6","6","1","1") = "8"
    & skf18("4","3","9","6","6","2","1") = "8"
    & skf18("4","3","9","6","6","3","1") = "8"
    & skf18("4","3","9","6","6","4","1") = "8"
    & skf18("4","3","9","6","6","5","1") = "8"
    & skf18("4","3","9","6","6","6","1") = "8"
    & skf18("4","3","9","6","6","7","1") = "8"
    & skf18("4","3","9","6","6","8","1") = "8"
    & skf18("4","3","9","6","6","9","1") = "8"
    & skf18("4","3","9","6","6","10","1") = "9"
    & skf18("4","3","9","6","7","1","1") = "8"
    & skf18("4","3","9","6","7","2","1") = "8"
    & skf18("4","3","9","6","7","3","1") = "8"
    & skf18("4","3","9","6","7","4","1") = "8"
    & skf18("4","3","9","6","7","5","1") = "8"
    & skf18("4","3","9","6","7","6","1") = "8"
    & skf18("4","3","9","6","7","7","1") = "8"
    & skf18("4","3","9","6","7","8","1") = "8"
    & skf18("4","3","9","6","7","9","1") = "8"
    & skf18("4","3","9","6","7","10","1") = "9"
    & skf18("4","3","9","6","8","1","1") = "8"
    & skf18("4","3","9","6","8","2","1") = "8"
    & skf18("4","3","9","6","8","3","1") = "8"
    & skf18("4","3","9","6","8","4","1") = "8"
    & skf18("4","3","9","6","8","5","1") = "8"
    & skf18("4","3","9","6","8","6","1") = "8"
    & skf18("4","3","9","6","8","7","1") = "8"
    & skf18("4","3","9","6","8","8","1") = "8"
    & skf18("4","3","9","6","8","9","1") = "8"
    & skf18("4","3","9","6","8","10","1") = "9"
    & skf18("4","3","9","6","9","1","1") = "8"
    & skf18("4","3","9","6","9","2","1") = "8"
    & skf18("4","3","9","6","9","3","1") = "8"
    & skf18("4","3","9","6","9","4","1") = "8"
    & skf18("4","3","9","6","9","5","1") = "8"
    & skf18("4","3","9","6","9","6","1") = "8"
    & skf18("4","3","9","6","9","7","1") = "8"
    & skf18("4","3","9","6","9","8","1") = "8"
    & skf18("4","3","9","6","9","9","1") = "8"
    & skf18("4","3","9","6","9","10","1") = "9"
    & skf18("4","3","9","6","10","1","1") = "9"
    & skf18("4","3","9","6","10","2","1") = "9"
    & skf18("4","3","9","6","10","3","1") = "9"
    & skf18("4","3","9","6","10","4","1") = "9"
    & skf18("4","3","9","6","10","5","1") = "9"
    & skf18("4","3","9","6","10","6","1") = "9"
    & skf18("4","3","9","6","10","7","1") = "9"
    & skf18("4","3","9","6","10","8","1") = "9"
    & skf18("4","3","9","6","10","9","1") = "9"
    & skf18("4","3","9","6","10","10","1") = "9"
    & skf18("4","3","9","7","1","1","1") = "8"
    & skf18("4","3","9","7","1","2","1") = "8"
    & skf18("4","3","9","7","1","3","1") = "8"
    & skf18("4","3","9","7","1","4","1") = "8"
    & skf18("4","3","9","7","1","5","1") = "8"
    & skf18("4","3","9","7","1","6","1") = "8"
    & skf18("4","3","9","7","1","7","1") = "8"
    & skf18("4","3","9","7","1","8","1") = "8"
    & skf18("4","3","9","7","1","9","1") = "8"
    & skf18("4","3","9","7","1","10","1") = "9"
    & skf18("4","3","9","7","2","1","1") = "8"
    & skf18("4","3","9","7","2","2","1") = "8"
    & skf18("4","3","9","7","2","3","1") = "8"
    & skf18("4","3","9","7","2","4","1") = "8"
    & skf18("4","3","9","7","2","5","1") = "8"
    & skf18("4","3","9","7","2","6","1") = "8"
    & skf18("4","3","9","7","2","7","1") = "8"
    & skf18("4","3","9","7","2","8","1") = "8"
    & skf18("4","3","9","7","2","9","1") = "8"
    & skf18("4","3","9","7","2","10","1") = "9"
    & skf18("4","3","9","7","3","1","1") = "8"
    & skf18("4","3","9","7","3","2","1") = "8"
    & skf18("4","3","9","7","3","3","1") = "8"
    & skf18("4","3","9","7","3","4","1") = "8"
    & skf18("4","3","9","7","3","5","1") = "8"
    & skf18("4","3","9","7","3","6","1") = "8"
    & skf18("4","3","9","7","3","7","1") = "8"
    & skf18("4","3","9","7","3","8","1") = "8"
    & skf18("4","3","9","7","3","9","1") = "8"
    & skf18("4","3","9","7","3","10","1") = "9"
    & skf18("4","3","9","7","4","1","1") = "8"
    & skf18("4","3","9","7","4","2","1") = "8"
    & skf18("4","3","9","7","4","3","1") = "8"
    & skf18("4","3","9","7","4","4","1") = "8"
    & skf18("4","3","9","7","4","5","1") = "8"
    & skf18("4","3","9","7","4","6","1") = "8"
    & skf18("4","3","9","7","4","7","1") = "8"
    & skf18("4","3","9","7","4","8","1") = "8"
    & skf18("4","3","9","7","4","9","1") = "8"
    & skf18("4","3","9","7","4","10","1") = "9"
    & skf18("4","3","9","7","5","1","1") = "8"
    & skf18("4","3","9","7","5","2","1") = "8"
    & skf18("4","3","9","7","5","3","1") = "8"
    & skf18("4","3","9","7","5","4","1") = "8"
    & skf18("4","3","9","7","5","5","1") = "8"
    & skf18("4","3","9","7","5","6","1") = "8"
    & skf18("4","3","9","7","5","7","1") = "8"
    & skf18("4","3","9","7","5","8","1") = "8"
    & skf18("4","3","9","7","5","9","1") = "8"
    & skf18("4","3","9","7","5","10","1") = "9"
    & skf18("4","3","9","7","6","1","1") = "8"
    & skf18("4","3","9","7","6","2","1") = "8"
    & skf18("4","3","9","7","6","3","1") = "8"
    & skf18("4","3","9","7","6","4","1") = "8"
    & skf18("4","3","9","7","6","5","1") = "8"
    & skf18("4","3","9","7","6","6","1") = "8"
    & skf18("4","3","9","7","6","7","1") = "8"
    & skf18("4","3","9","7","6","8","1") = "8"
    & skf18("4","3","9","7","6","9","1") = "8"
    & skf18("4","3","9","7","6","10","1") = "9"
    & skf18("4","3","9","7","7","1","1") = "8"
    & skf18("4","3","9","7","7","2","1") = "8"
    & skf18("4","3","9","7","7","3","1") = "8"
    & skf18("4","3","9","7","7","4","1") = "8"
    & skf18("4","3","9","7","7","5","1") = "8"
    & skf18("4","3","9","7","7","6","1") = "8"
    & skf18("4","3","9","7","7","7","1") = "8"
    & skf18("4","3","9","7","7","8","1") = "8"
    & skf18("4","3","9","7","7","9","1") = "8"
    & skf18("4","3","9","7","7","10","1") = "9"
    & skf18("4","3","9","7","8","1","1") = "8"
    & skf18("4","3","9","7","8","2","1") = "8"
    & skf18("4","3","9","7","8","3","1") = "8"
    & skf18("4","3","9","7","8","4","1") = "8"
    & skf18("4","3","9","7","8","5","1") = "8"
    & skf18("4","3","9","7","8","6","1") = "8"
    & skf18("4","3","9","7","8","7","1") = "8"
    & skf18("4","3","9","7","8","8","1") = "8"
    & skf18("4","3","9","7","8","9","1") = "8"
    & skf18("4","3","9","7","8","10","1") = "9"
    & skf18("4","3","9","7","9","1","1") = "8"
    & skf18("4","3","9","7","9","2","1") = "8"
    & skf18("4","3","9","7","9","3","1") = "8"
    & skf18("4","3","9","7","9","4","1") = "8"
    & skf18("4","3","9","7","9","5","1") = "8"
    & skf18("4","3","9","7","9","6","1") = "8"
    & skf18("4","3","9","7","9","7","1") = "8"
    & skf18("4","3","9","7","9","8","1") = "8"
    & skf18("4","3","9","7","9","9","1") = "8"
    & skf18("4","3","9","7","9","10","1") = "9"
    & skf18("4","3","9","7","10","1","1") = "9"
    & skf18("4","3","9","7","10","2","1") = "9"
    & skf18("4","3","9","7","10","3","1") = "9"
    & skf18("4","3","9","7","10","4","1") = "9"
    & skf18("4","3","9","7","10","5","1") = "9"
    & skf18("4","3","9","7","10","6","1") = "9"
    & skf18("4","3","9","7","10","7","1") = "9"
    & skf18("4","3","9","7","10","8","1") = "9"
    & skf18("4","3","9","7","10","9","1") = "9"
    & skf18("4","3","9","7","10","10","1") = "9"
    & skf18("4","3","9","8","1","1","1") = "8"
    & skf18("4","3","9","8","1","2","1") = "8"
    & skf18("4","3","9","8","1","3","1") = "8"
    & skf18("4","3","9","8","1","4","1") = "8"
    & skf18("4","3","9","8","1","5","1") = "8"
    & skf18("4","3","9","8","1","6","1") = "8"
    & skf18("4","3","9","8","1","7","1") = "8"
    & skf18("4","3","9","8","1","8","1") = "8"
    & skf18("4","3","9","8","1","9","1") = "8"
    & skf18("4","3","9","8","1","10","1") = "9"
    & skf18("4","3","9","8","2","1","1") = "8"
    & skf18("4","3","9","8","2","2","1") = "8"
    & skf18("4","3","9","8","2","3","1") = "8"
    & skf18("4","3","9","8","2","4","1") = "8"
    & skf18("4","3","9","8","2","5","1") = "8"
    & skf18("4","3","9","8","2","6","1") = "8"
    & skf18("4","3","9","8","2","7","1") = "8"
    & skf18("4","3","9","8","2","8","1") = "8"
    & skf18("4","3","9","8","2","9","1") = "8"
    & skf18("4","3","9","8","2","10","1") = "9"
    & skf18("4","3","9","8","3","1","1") = "8"
    & skf18("4","3","9","8","3","2","1") = "8"
    & skf18("4","3","9","8","3","3","1") = "8"
    & skf18("4","3","9","8","3","4","1") = "8"
    & skf18("4","3","9","8","3","5","1") = "8"
    & skf18("4","3","9","8","3","6","1") = "8"
    & skf18("4","3","9","8","3","7","1") = "8"
    & skf18("4","3","9","8","3","8","1") = "8"
    & skf18("4","3","9","8","3","9","1") = "8"
    & skf18("4","3","9","8","3","10","1") = "9"
    & skf18("4","3","9","8","4","1","1") = "8"
    & skf18("4","3","9","8","4","2","1") = "8"
    & skf18("4","3","9","8","4","3","1") = "8"
    & skf18("4","3","9","8","4","4","1") = "8"
    & skf18("4","3","9","8","4","5","1") = "8"
    & skf18("4","3","9","8","4","6","1") = "8"
    & skf18("4","3","9","8","4","7","1") = "8"
    & skf18("4","3","9","8","4","8","1") = "8"
    & skf18("4","3","9","8","4","9","1") = "8"
    & skf18("4","3","9","8","4","10","1") = "9"
    & skf18("4","3","9","8","5","1","1") = "8"
    & skf18("4","3","9","8","5","2","1") = "8"
    & skf18("4","3","9","8","5","3","1") = "8"
    & skf18("4","3","9","8","5","4","1") = "8"
    & skf18("4","3","9","8","5","5","1") = "8"
    & skf18("4","3","9","8","5","6","1") = "8"
    & skf18("4","3","9","8","5","7","1") = "8"
    & skf18("4","3","9","8","5","8","1") = "8"
    & skf18("4","3","9","8","5","9","1") = "8"
    & skf18("4","3","9","8","5","10","1") = "9"
    & skf18("4","3","9","8","6","1","1") = "8"
    & skf18("4","3","9","8","6","2","1") = "8"
    & skf18("4","3","9","8","6","3","1") = "8"
    & skf18("4","3","9","8","6","4","1") = "8"
    & skf18("4","3","9","8","6","5","1") = "8"
    & skf18("4","3","9","8","6","6","1") = "8"
    & skf18("4","3","9","8","6","7","1") = "8"
    & skf18("4","3","9","8","6","8","1") = "8"
    & skf18("4","3","9","8","6","9","1") = "8"
    & skf18("4","3","9","8","6","10","1") = "9"
    & skf18("4","3","9","8","7","1","1") = "8"
    & skf18("4","3","9","8","7","2","1") = "8"
    & skf18("4","3","9","8","7","3","1") = "8"
    & skf18("4","3","9","8","7","4","1") = "8"
    & skf18("4","3","9","8","7","5","1") = "8"
    & skf18("4","3","9","8","7","6","1") = "8"
    & skf18("4","3","9","8","7","7","1") = "8"
    & skf18("4","3","9","8","7","8","1") = "8"
    & skf18("4","3","9","8","7","9","1") = "8"
    & skf18("4","3","9","8","7","10","1") = "9"
    & skf18("4","3","9","8","8","1","1") = "8"
    & skf18("4","3","9","8","8","2","1") = "8"
    & skf18("4","3","9","8","8","3","1") = "8"
    & skf18("4","3","9","8","8","4","1") = "8"
    & skf18("4","3","9","8","8","5","1") = "8"
    & skf18("4","3","9","8","8","6","1") = "8"
    & skf18("4","3","9","8","8","7","1") = "8"
    & skf18("4","3","9","8","8","8","1") = "8"
    & skf18("4","3","9","8","8","9","1") = "8"
    & skf18("4","3","9","8","8","10","1") = "9"
    & skf18("4","3","9","8","9","1","1") = "8"
    & skf18("4","3","9","8","9","2","1") = "8"
    & skf18("4","3","9","8","9","3","1") = "8"
    & skf18("4","3","9","8","9","4","1") = "8"
    & skf18("4","3","9","8","9","5","1") = "8"
    & skf18("4","3","9","8","9","6","1") = "8"
    & skf18("4","3","9","8","9","7","1") = "8"
    & skf18("4","3","9","8","9","8","1") = "8"
    & skf18("4","3","9","8","9","9","1") = "8"
    & skf18("4","3","9","8","9","10","1") = "9"
    & skf18("4","3","9","8","10","1","1") = "9"
    & skf18("4","3","9","8","10","2","1") = "9"
    & skf18("4","3","9","8","10","3","1") = "9"
    & skf18("4","3","9","8","10","4","1") = "9"
    & skf18("4","3","9","8","10","5","1") = "9"
    & skf18("4","3","9","8","10","6","1") = "9"
    & skf18("4","3","9","8","10","7","1") = "9"
    & skf18("4","3","9","8","10","8","1") = "9"
    & skf18("4","3","9","8","10","9","1") = "9"
    & skf18("4","3","9","8","10","10","1") = "9"
    & skf18("4","3","9","9","1","1","1") = "8"
    & skf18("4","3","9","9","1","2","1") = "8"
    & skf18("4","3","9","9","1","3","1") = "8"
    & skf18("4","3","9","9","1","4","1") = "8"
    & skf18("4","3","9","9","1","5","1") = "8"
    & skf18("4","3","9","9","1","6","1") = "8"
    & skf18("4","3","9","9","1","7","1") = "8"
    & skf18("4","3","9","9","1","8","1") = "8"
    & skf18("4","3","9","9","1","9","1") = "8"
    & skf18("4","3","9","9","1","10","1") = "9"
    & skf18("4","3","9","9","2","1","1") = "8"
    & skf18("4","3","9","9","2","2","1") = "8"
    & skf18("4","3","9","9","2","3","1") = "8"
    & skf18("4","3","9","9","2","4","1") = "8"
    & skf18("4","3","9","9","2","5","1") = "8"
    & skf18("4","3","9","9","2","6","1") = "8"
    & skf18("4","3","9","9","2","7","1") = "8"
    & skf18("4","3","9","9","2","8","1") = "8"
    & skf18("4","3","9","9","2","9","1") = "8"
    & skf18("4","3","9","9","2","10","1") = "9"
    & skf18("4","3","9","9","3","1","1") = "8"
    & skf18("4","3","9","9","3","2","1") = "8"
    & skf18("4","3","9","9","3","3","1") = "8"
    & skf18("4","3","9","9","3","4","1") = "8"
    & skf18("4","3","9","9","3","5","1") = "8"
    & skf18("4","3","9","9","3","6","1") = "8"
    & skf18("4","3","9","9","3","7","1") = "8"
    & skf18("4","3","9","9","3","8","1") = "8"
    & skf18("4","3","9","9","3","9","1") = "8"
    & skf18("4","3","9","9","3","10","1") = "9"
    & skf18("4","3","9","9","4","1","1") = "8"
    & skf18("4","3","9","9","4","2","1") = "8"
    & skf18("4","3","9","9","4","3","1") = "8"
    & skf18("4","3","9","9","4","4","1") = "8"
    & skf18("4","3","9","9","4","5","1") = "8"
    & skf18("4","3","9","9","4","6","1") = "8"
    & skf18("4","3","9","9","4","7","1") = "8"
    & skf18("4","3","9","9","4","8","1") = "8"
    & skf18("4","3","9","9","4","9","1") = "8"
    & skf18("4","3","9","9","4","10","1") = "9"
    & skf18("4","3","9","9","5","1","1") = "8"
    & skf18("4","3","9","9","5","2","1") = "8"
    & skf18("4","3","9","9","5","3","1") = "8"
    & skf18("4","3","9","9","5","4","1") = "8"
    & skf18("4","3","9","9","5","5","1") = "8"
    & skf18("4","3","9","9","5","6","1") = "8"
    & skf18("4","3","9","9","5","7","1") = "8"
    & skf18("4","3","9","9","5","8","1") = "8"
    & skf18("4","3","9","9","5","9","1") = "8"
    & skf18("4","3","9","9","5","10","1") = "9"
    & skf18("4","3","9","9","6","1","1") = "8"
    & skf18("4","3","9","9","6","2","1") = "8"
    & skf18("4","3","9","9","6","3","1") = "8"
    & skf18("4","3","9","9","6","4","1") = "8"
    & skf18("4","3","9","9","6","5","1") = "8"
    & skf18("4","3","9","9","6","6","1") = "8"
    & skf18("4","3","9","9","6","7","1") = "8"
    & skf18("4","3","9","9","6","8","1") = "8"
    & skf18("4","3","9","9","6","9","1") = "8"
    & skf18("4","3","9","9","6","10","1") = "9"
    & skf18("4","3","9","9","7","1","1") = "8"
    & skf18("4","3","9","9","7","2","1") = "8"
    & skf18("4","3","9","9","7","3","1") = "8"
    & skf18("4","3","9","9","7","4","1") = "8"
    & skf18("4","3","9","9","7","5","1") = "8"
    & skf18("4","3","9","9","7","6","1") = "8"
    & skf18("4","3","9","9","7","7","1") = "8"
    & skf18("4","3","9","9","7","8","1") = "8"
    & skf18("4","3","9","9","7","9","1") = "8"
    & skf18("4","3","9","9","7","10","1") = "9"
    & skf18("4","3","9","9","8","1","1") = "8"
    & skf18("4","3","9","9","8","2","1") = "8"
    & skf18("4","3","9","9","8","3","1") = "8"
    & skf18("4","3","9","9","8","4","1") = "8"
    & skf18("4","3","9","9","8","5","1") = "8"
    & skf18("4","3","9","9","8","6","1") = "8"
    & skf18("4","3","9","9","8","7","1") = "8"
    & skf18("4","3","9","9","8","8","1") = "8"
    & skf18("4","3","9","9","8","9","1") = "8"
    & skf18("4","3","9","9","8","10","1") = "9"
    & skf18("4","3","9","9","9","1","1") = "8"
    & skf18("4","3","9","9","9","2","1") = "8"
    & skf18("4","3","9","9","9","3","1") = "8"
    & skf18("4","3","9","9","9","4","1") = "8"
    & skf18("4","3","9","9","9","5","1") = "8"
    & skf18("4","3","9","9","9","6","1") = "8"
    & skf18("4","3","9","9","9","7","1") = "8"
    & skf18("4","3","9","9","9","8","1") = "8"
    & skf18("4","3","9","9","9","9","1") = "8"
    & skf18("4","3","9","9","9","10","1") = "9"
    & skf18("4","3","9","9","10","1","1") = "9"
    & skf18("4","3","9","9","10","2","1") = "9"
    & skf18("4","3","9","9","10","3","1") = "9"
    & skf18("4","3","9","9","10","4","1") = "9"
    & skf18("4","3","9","9","10","5","1") = "9"
    & skf18("4","3","9","9","10","6","1") = "9"
    & skf18("4","3","9","9","10","7","1") = "9"
    & skf18("4","3","9","9","10","8","1") = "9"
    & skf18("4","3","9","9","10","9","1") = "9"
    & skf18("4","3","9","9","10","10","1") = "9"
    & skf18("4","3","9","10","1","1","1") = "9"
    & skf18("4","3","9","10","1","2","1") = "9"
    & skf18("4","3","9","10","1","3","1") = "9"
    & skf18("4","3","9","10","1","4","1") = "9"
    & skf18("4","3","9","10","1","5","1") = "9"
    & skf18("4","3","9","10","1","6","1") = "9"
    & skf18("4","3","9","10","1","7","1") = "9"
    & skf18("4","3","9","10","1","8","1") = "9"
    & skf18("4","3","9","10","1","9","1") = "9"
    & skf18("4","3","9","10","1","10","1") = "9"
    & skf18("4","3","9","10","2","1","1") = "9"
    & skf18("4","3","9","10","2","2","1") = "9"
    & skf18("4","3","9","10","2","3","1") = "9"
    & skf18("4","3","9","10","2","4","1") = "9"
    & skf18("4","3","9","10","2","5","1") = "9"
    & skf18("4","3","9","10","2","6","1") = "9"
    & skf18("4","3","9","10","2","7","1") = "9"
    & skf18("4","3","9","10","2","8","1") = "9"
    & skf18("4","3","9","10","2","9","1") = "9"
    & skf18("4","3","9","10","2","10","1") = "9"
    & skf18("4","3","9","10","3","1","1") = "9"
    & skf18("4","3","9","10","3","2","1") = "9"
    & skf18("4","3","9","10","3","3","1") = "9"
    & skf18("4","3","9","10","3","4","1") = "9"
    & skf18("4","3","9","10","3","5","1") = "9"
    & skf18("4","3","9","10","3","6","1") = "9"
    & skf18("4","3","9","10","3","7","1") = "9"
    & skf18("4","3","9","10","3","8","1") = "9"
    & skf18("4","3","9","10","3","9","1") = "9"
    & skf18("4","3","9","10","3","10","1") = "9"
    & skf18("4","3","9","10","4","1","1") = "9"
    & skf18("4","3","9","10","4","2","1") = "9"
    & skf18("4","3","9","10","4","3","1") = "9"
    & skf18("4","3","9","10","4","4","1") = "9"
    & skf18("4","3","9","10","4","5","1") = "9"
    & skf18("4","3","9","10","4","6","1") = "9"
    & skf18("4","3","9","10","4","7","1") = "9"
    & skf18("4","3","9","10","4","8","1") = "9"
    & skf18("4","3","9","10","4","9","1") = "9"
    & skf18("4","3","9","10","4","10","1") = "9"
    & skf18("4","3","9","10","5","1","1") = "9"
    & skf18("4","3","9","10","5","2","1") = "9"
    & skf18("4","3","9","10","5","3","1") = "9"
    & skf18("4","3","9","10","5","4","1") = "9"
    & skf18("4","3","9","10","5","5","1") = "9"
    & skf18("4","3","9","10","5","6","1") = "9"
    & skf18("4","3","9","10","5","7","1") = "9"
    & skf18("4","3","9","10","5","8","1") = "9"
    & skf18("4","3","9","10","5","9","1") = "9"
    & skf18("4","3","9","10","5","10","1") = "9"
    & skf18("4","3","9","10","6","1","1") = "9"
    & skf18("4","3","9","10","6","2","1") = "9"
    & skf18("4","3","9","10","6","3","1") = "9"
    & skf18("4","3","9","10","6","4","1") = "9"
    & skf18("4","3","9","10","6","5","1") = "9"
    & skf18("4","3","9","10","6","6","1") = "9"
    & skf18("4","3","9","10","6","7","1") = "9"
    & skf18("4","3","9","10","6","8","1") = "9"
    & skf18("4","3","9","10","6","9","1") = "9"
    & skf18("4","3","9","10","6","10","1") = "9"
    & skf18("4","3","9","10","7","1","1") = "9"
    & skf18("4","3","9","10","7","2","1") = "9"
    & skf18("4","3","9","10","7","3","1") = "9"
    & skf18("4","3","9","10","7","4","1") = "9"
    & skf18("4","3","9","10","7","5","1") = "9"
    & skf18("4","3","9","10","7","6","1") = "9"
    & skf18("4","3","9","10","7","7","1") = "9"
    & skf18("4","3","9","10","7","8","1") = "9"
    & skf18("4","3","9","10","7","9","1") = "9"
    & skf18("4","3","9","10","7","10","1") = "9"
    & skf18("4","3","9","10","8","1","1") = "9"
    & skf18("4","3","9","10","8","2","1") = "9"
    & skf18("4","3","9","10","8","3","1") = "9"
    & skf18("4","3","9","10","8","4","1") = "9"
    & skf18("4","3","9","10","8","5","1") = "9"
    & skf18("4","3","9","10","8","6","1") = "9"
    & skf18("4","3","9","10","8","7","1") = "9"
    & skf18("4","3","9","10","8","8","1") = "9"
    & skf18("4","3","9","10","8","9","1") = "9"
    & skf18("4","3","9","10","8","10","1") = "9"
    & skf18("4","3","9","10","9","1","1") = "9"
    & skf18("4","3","9","10","9","2","1") = "9"
    & skf18("4","3","9","10","9","3","1") = "9"
    & skf18("4","3","9","10","9","4","1") = "9"
    & skf18("4","3","9","10","9","5","1") = "9"
    & skf18("4","3","9","10","9","6","1") = "9"
    & skf18("4","3","9","10","9","7","1") = "9"
    & skf18("4","3","9","10","9","8","1") = "9"
    & skf18("4","3","9","10","9","9","1") = "9"
    & skf18("4","3","9","10","9","10","1") = "9"
    & skf18("4","3","9","10","10","1","1") = "9"
    & skf18("4","3","9","10","10","2","1") = "9"
    & skf18("4","3","9","10","10","3","1") = "9"
    & skf18("4","3","9","10","10","4","1") = "9"
    & skf18("4","3","9","10","10","5","1") = "9"
    & skf18("4","3","9","10","10","6","1") = "9"
    & skf18("4","3","9","10","10","7","1") = "9"
    & skf18("4","3","9","10","10","8","1") = "9"
    & skf18("4","3","9","10","10","9","1") = "9"
    & skf18("4","3","9","10","10","10","1") = "9"
    & skf18("4","3","10","1","1","1","1") = "9"
    & skf18("4","3","10","1","1","2","1") = "9"
    & skf18("4","3","10","1","1","3","1") = "9"
    & skf18("4","3","10","1","1","4","1") = "9"
    & skf18("4","3","10","1","1","5","1") = "9"
    & skf18("4","3","10","1","1","6","1") = "9"
    & skf18("4","3","10","1","1","7","1") = "9"
    & skf18("4","3","10","1","1","8","1") = "9"
    & skf18("4","3","10","1","1","9","1") = "9"
    & skf18("4","3","10","1","1","10","1") = "9"
    & skf18("4","3","10","1","2","1","1") = "9"
    & skf18("4","3","10","1","2","2","1") = "9"
    & skf18("4","3","10","1","2","3","1") = "9"
    & skf18("4","3","10","1","2","4","1") = "9"
    & skf18("4","3","10","1","2","5","1") = "9"
    & skf18("4","3","10","1","2","6","1") = "9"
    & skf18("4","3","10","1","2","7","1") = "9"
    & skf18("4","3","10","1","2","8","1") = "9"
    & skf18("4","3","10","1","2","9","1") = "9"
    & skf18("4","3","10","1","2","10","1") = "9"
    & skf18("4","3","10","1","3","1","1") = "9"
    & skf18("4","3","10","1","3","2","1") = "9"
    & skf18("4","3","10","1","3","3","1") = "9"
    & skf18("4","3","10","1","3","4","1") = "9"
    & skf18("4","3","10","1","3","5","1") = "9"
    & skf18("4","3","10","1","3","6","1") = "9"
    & skf18("4","3","10","1","3","7","1") = "9"
    & skf18("4","3","10","1","3","8","1") = "9"
    & skf18("4","3","10","1","3","9","1") = "9"
    & skf18("4","3","10","1","3","10","1") = "9"
    & skf18("4","3","10","1","4","1","1") = "9"
    & skf18("4","3","10","1","4","2","1") = "9"
    & skf18("4","3","10","1","4","3","1") = "9"
    & skf18("4","3","10","1","4","4","1") = "9"
    & skf18("4","3","10","1","4","5","1") = "9"
    & skf18("4","3","10","1","4","6","1") = "9"
    & skf18("4","3","10","1","4","7","1") = "9"
    & skf18("4","3","10","1","4","8","1") = "9"
    & skf18("4","3","10","1","4","9","1") = "9"
    & skf18("4","3","10","1","4","10","1") = "9"
    & skf18("4","3","10","1","5","1","1") = "9"
    & skf18("4","3","10","1","5","2","1") = "9"
    & skf18("4","3","10","1","5","3","1") = "9"
    & skf18("4","3","10","1","5","4","1") = "9"
    & skf18("4","3","10","1","5","5","1") = "9"
    & skf18("4","3","10","1","5","6","1") = "9"
    & skf18("4","3","10","1","5","7","1") = "9"
    & skf18("4","3","10","1","5","8","1") = "9"
    & skf18("4","3","10","1","5","9","1") = "9"
    & skf18("4","3","10","1","5","10","1") = "9"
    & skf18("4","3","10","1","6","1","1") = "9"
    & skf18("4","3","10","1","6","2","1") = "9"
    & skf18("4","3","10","1","6","3","1") = "9"
    & skf18("4","3","10","1","6","4","1") = "9"
    & skf18("4","3","10","1","6","5","1") = "9"
    & skf18("4","3","10","1","6","6","1") = "9"
    & skf18("4","3","10","1","6","7","1") = "9"
    & skf18("4","3","10","1","6","8","1") = "9"
    & skf18("4","3","10","1","6","9","1") = "9"
    & skf18("4","3","10","1","6","10","1") = "9"
    & skf18("4","3","10","1","7","1","1") = "9"
    & skf18("4","3","10","1","7","2","1") = "9"
    & skf18("4","3","10","1","7","3","1") = "9"
    & skf18("4","3","10","1","7","4","1") = "9"
    & skf18("4","3","10","1","7","5","1") = "9"
    & skf18("4","3","10","1","7","6","1") = "9"
    & skf18("4","3","10","1","7","7","1") = "9"
    & skf18("4","3","10","1","7","8","1") = "9"
    & skf18("4","3","10","1","7","9","1") = "9"
    & skf18("4","3","10","1","7","10","1") = "9"
    & skf18("4","3","10","1","8","1","1") = "9"
    & skf18("4","3","10","1","8","2","1") = "9"
    & skf18("4","3","10","1","8","3","1") = "9"
    & skf18("4","3","10","1","8","4","1") = "9"
    & skf18("4","3","10","1","8","5","1") = "9"
    & skf18("4","3","10","1","8","6","1") = "9"
    & skf18("4","3","10","1","8","7","1") = "9"
    & skf18("4","3","10","1","8","8","1") = "9"
    & skf18("4","3","10","1","8","9","1") = "9"
    & skf18("4","3","10","1","8","10","1") = "9"
    & skf18("4","3","10","1","9","1","1") = "9"
    & skf18("4","3","10","1","9","2","1") = "9"
    & skf18("4","3","10","1","9","3","1") = "9"
    & skf18("4","3","10","1","9","4","1") = "9"
    & skf18("4","3","10","1","9","5","1") = "9"
    & skf18("4","3","10","1","9","6","1") = "9"
    & skf18("4","3","10","1","9","7","1") = "9"
    & skf18("4","3","10","1","9","8","1") = "9"
    & skf18("4","3","10","1","9","9","1") = "9"
    & skf18("4","3","10","1","9","10","1") = "9"
    & skf18("4","3","10","1","10","1","1") = "9"
    & skf18("4","3","10","1","10","2","1") = "9"
    & skf18("4","3","10","1","10","3","1") = "9"
    & skf18("4","3","10","1","10","4","1") = "9"
    & skf18("4","3","10","1","10","5","1") = "9"
    & skf18("4","3","10","1","10","6","1") = "9"
    & skf18("4","3","10","1","10","7","1") = "9"
    & skf18("4","3","10","1","10","8","1") = "9"
    & skf18("4","3","10","1","10","9","1") = "9"
    & skf18("4","3","10","1","10","10","1") = "9"
    & skf18("4","3","10","2","1","1","1") = "9"
    & skf18("4","3","10","2","1","2","1") = "9"
    & skf18("4","3","10","2","1","3","1") = "9"
    & skf18("4","3","10","2","1","4","1") = "9"
    & skf18("4","3","10","2","1","5","1") = "9"
    & skf18("4","3","10","2","1","6","1") = "9"
    & skf18("4","3","10","2","1","7","1") = "9"
    & skf18("4","3","10","2","1","8","1") = "9"
    & skf18("4","3","10","2","1","9","1") = "9"
    & skf18("4","3","10","2","1","10","1") = "9"
    & skf18("4","3","10","2","2","1","1") = "9"
    & skf18("4","3","10","2","2","2","1") = "9"
    & skf18("4","3","10","2","2","3","1") = "9"
    & skf18("4","3","10","2","2","4","1") = "9"
    & skf18("4","3","10","2","2","5","1") = "9"
    & skf18("4","3","10","2","2","6","1") = "9"
    & skf18("4","3","10","2","2","7","1") = "9"
    & skf18("4","3","10","2","2","8","1") = "9"
    & skf18("4","3","10","2","2","9","1") = "9"
    & skf18("4","3","10","2","2","10","1") = "9"
    & skf18("4","3","10","2","3","1","1") = "9"
    & skf18("4","3","10","2","3","2","1") = "9"
    & skf18("4","3","10","2","3","3","1") = "9"
    & skf18("4","3","10","2","3","4","1") = "9"
    & skf18("4","3","10","2","3","5","1") = "9"
    & skf18("4","3","10","2","3","6","1") = "9"
    & skf18("4","3","10","2","3","7","1") = "9"
    & skf18("4","3","10","2","3","8","1") = "9"
    & skf18("4","3","10","2","3","9","1") = "9"
    & skf18("4","3","10","2","3","10","1") = "9"
    & skf18("4","3","10","2","4","1","1") = "9"
    & skf18("4","3","10","2","4","2","1") = "9"
    & skf18("4","3","10","2","4","3","1") = "9"
    & skf18("4","3","10","2","4","4","1") = "9"
    & skf18("4","3","10","2","4","5","1") = "9"
    & skf18("4","3","10","2","4","6","1") = "9"
    & skf18("4","3","10","2","4","7","1") = "9"
    & skf18("4","3","10","2","4","8","1") = "9"
    & skf18("4","3","10","2","4","9","1") = "9"
    & skf18("4","3","10","2","4","10","1") = "9"
    & skf18("4","3","10","2","5","1","1") = "9"
    & skf18("4","3","10","2","5","2","1") = "9"
    & skf18("4","3","10","2","5","3","1") = "9"
    & skf18("4","3","10","2","5","4","1") = "9"
    & skf18("4","3","10","2","5","5","1") = "9"
    & skf18("4","3","10","2","5","6","1") = "9"
    & skf18("4","3","10","2","5","7","1") = "9"
    & skf18("4","3","10","2","5","8","1") = "9"
    & skf18("4","3","10","2","5","9","1") = "9"
    & skf18("4","3","10","2","5","10","1") = "9"
    & skf18("4","3","10","2","6","1","1") = "9"
    & skf18("4","3","10","2","6","2","1") = "9"
    & skf18("4","3","10","2","6","3","1") = "9"
    & skf18("4","3","10","2","6","4","1") = "9"
    & skf18("4","3","10","2","6","5","1") = "9"
    & skf18("4","3","10","2","6","6","1") = "9"
    & skf18("4","3","10","2","6","7","1") = "9"
    & skf18("4","3","10","2","6","8","1") = "9"
    & skf18("4","3","10","2","6","9","1") = "9"
    & skf18("4","3","10","2","6","10","1") = "9"
    & skf18("4","3","10","2","7","1","1") = "9"
    & skf18("4","3","10","2","7","2","1") = "9"
    & skf18("4","3","10","2","7","3","1") = "9"
    & skf18("4","3","10","2","7","4","1") = "9"
    & skf18("4","3","10","2","7","5","1") = "9"
    & skf18("4","3","10","2","7","6","1") = "9"
    & skf18("4","3","10","2","7","7","1") = "9"
    & skf18("4","3","10","2","7","8","1") = "9"
    & skf18("4","3","10","2","7","9","1") = "9"
    & skf18("4","3","10","2","7","10","1") = "9"
    & skf18("4","3","10","2","8","1","1") = "9"
    & skf18("4","3","10","2","8","2","1") = "9"
    & skf18("4","3","10","2","8","3","1") = "9"
    & skf18("4","3","10","2","8","4","1") = "9"
    & skf18("4","3","10","2","8","5","1") = "9"
    & skf18("4","3","10","2","8","6","1") = "9"
    & skf18("4","3","10","2","8","7","1") = "9"
    & skf18("4","3","10","2","8","8","1") = "9"
    & skf18("4","3","10","2","8","9","1") = "9"
    & skf18("4","3","10","2","8","10","1") = "9"
    & skf18("4","3","10","2","9","1","1") = "9"
    & skf18("4","3","10","2","9","2","1") = "9"
    & skf18("4","3","10","2","9","3","1") = "9"
    & skf18("4","3","10","2","9","4","1") = "9"
    & skf18("4","3","10","2","9","5","1") = "9"
    & skf18("4","3","10","2","9","6","1") = "9"
    & skf18("4","3","10","2","9","7","1") = "9"
    & skf18("4","3","10","2","9","8","1") = "9"
    & skf18("4","3","10","2","9","9","1") = "9"
    & skf18("4","3","10","2","9","10","1") = "9"
    & skf18("4","3","10","2","10","1","1") = "9"
    & skf18("4","3","10","2","10","2","1") = "9"
    & skf18("4","3","10","2","10","3","1") = "9"
    & skf18("4","3","10","2","10","4","1") = "9"
    & skf18("4","3","10","2","10","5","1") = "9"
    & skf18("4","3","10","2","10","6","1") = "9"
    & skf18("4","3","10","2","10","7","1") = "9"
    & skf18("4","3","10","2","10","8","1") = "9"
    & skf18("4","3","10","2","10","9","1") = "9"
    & skf18("4","3","10","2","10","10","1") = "9"
    & skf18("4","3","10","3","1","1","1") = "9"
    & skf18("4","3","10","3","1","2","1") = "9"
    & skf18("4","3","10","3","1","3","1") = "9"
    & skf18("4","3","10","3","1","4","1") = "9"
    & skf18("4","3","10","3","1","5","1") = "9"
    & skf18("4","3","10","3","1","6","1") = "9"
    & skf18("4","3","10","3","1","7","1") = "9"
    & skf18("4","3","10","3","1","8","1") = "9"
    & skf18("4","3","10","3","1","9","1") = "9"
    & skf18("4","3","10","3","1","10","1") = "9"
    & skf18("4","3","10","3","2","1","1") = "9"
    & skf18("4","3","10","3","2","2","1") = "9"
    & skf18("4","3","10","3","2","3","1") = "9"
    & skf18("4","3","10","3","2","4","1") = "9"
    & skf18("4","3","10","3","2","5","1") = "9"
    & skf18("4","3","10","3","2","6","1") = "9"
    & skf18("4","3","10","3","2","7","1") = "9"
    & skf18("4","3","10","3","2","8","1") = "9"
    & skf18("4","3","10","3","2","9","1") = "9"
    & skf18("4","3","10","3","2","10","1") = "9"
    & skf18("4","3","10","3","3","1","1") = "9"
    & skf18("4","3","10","3","3","2","1") = "9"
    & skf18("4","3","10","3","3","3","1") = "9"
    & skf18("4","3","10","3","3","4","1") = "9"
    & skf18("4","3","10","3","3","5","1") = "9"
    & skf18("4","3","10","3","3","6","1") = "9"
    & skf18("4","3","10","3","3","7","1") = "9"
    & skf18("4","3","10","3","3","8","1") = "9"
    & skf18("4","3","10","3","3","9","1") = "9"
    & skf18("4","3","10","3","3","10","1") = "9"
    & skf18("4","3","10","3","4","1","1") = "9"
    & skf18("4","3","10","3","4","2","1") = "9"
    & skf18("4","3","10","3","4","3","1") = "9"
    & skf18("4","3","10","3","4","4","1") = "9"
    & skf18("4","3","10","3","4","5","1") = "9"
    & skf18("4","3","10","3","4","6","1") = "9"
    & skf18("4","3","10","3","4","7","1") = "9"
    & skf18("4","3","10","3","4","8","1") = "9"
    & skf18("4","3","10","3","4","9","1") = "9"
    & skf18("4","3","10","3","4","10","1") = "9"
    & skf18("4","3","10","3","5","1","1") = "9"
    & skf18("4","3","10","3","5","2","1") = "9"
    & skf18("4","3","10","3","5","3","1") = "9"
    & skf18("4","3","10","3","5","4","1") = "9"
    & skf18("4","3","10","3","5","5","1") = "9"
    & skf18("4","3","10","3","5","6","1") = "9"
    & skf18("4","3","10","3","5","7","1") = "9"
    & skf18("4","3","10","3","5","8","1") = "9"
    & skf18("4","3","10","3","5","9","1") = "9"
    & skf18("4","3","10","3","5","10","1") = "9"
    & skf18("4","3","10","3","6","1","1") = "9"
    & skf18("4","3","10","3","6","2","1") = "9"
    & skf18("4","3","10","3","6","3","1") = "9"
    & skf18("4","3","10","3","6","4","1") = "9"
    & skf18("4","3","10","3","6","5","1") = "9"
    & skf18("4","3","10","3","6","6","1") = "9"
    & skf18("4","3","10","3","6","7","1") = "9"
    & skf18("4","3","10","3","6","8","1") = "9"
    & skf18("4","3","10","3","6","9","1") = "9"
    & skf18("4","3","10","3","6","10","1") = "9"
    & skf18("4","3","10","3","7","1","1") = "9"
    & skf18("4","3","10","3","7","2","1") = "9"
    & skf18("4","3","10","3","7","3","1") = "9"
    & skf18("4","3","10","3","7","4","1") = "9"
    & skf18("4","3","10","3","7","5","1") = "9"
    & skf18("4","3","10","3","7","6","1") = "9"
    & skf18("4","3","10","3","7","7","1") = "9"
    & skf18("4","3","10","3","7","8","1") = "9"
    & skf18("4","3","10","3","7","9","1") = "9"
    & skf18("4","3","10","3","7","10","1") = "9"
    & skf18("4","3","10","3","8","1","1") = "9"
    & skf18("4","3","10","3","8","2","1") = "9"
    & skf18("4","3","10","3","8","3","1") = "9"
    & skf18("4","3","10","3","8","4","1") = "9"
    & skf18("4","3","10","3","8","5","1") = "9"
    & skf18("4","3","10","3","8","6","1") = "9"
    & skf18("4","3","10","3","8","7","1") = "9"
    & skf18("4","3","10","3","8","8","1") = "9"
    & skf18("4","3","10","3","8","9","1") = "9"
    & skf18("4","3","10","3","8","10","1") = "9"
    & skf18("4","3","10","3","9","1","1") = "9"
    & skf18("4","3","10","3","9","2","1") = "9"
    & skf18("4","3","10","3","9","3","1") = "9"
    & skf18("4","3","10","3","9","4","1") = "9"
    & skf18("4","3","10","3","9","5","1") = "9"
    & skf18("4","3","10","3","9","6","1") = "9"
    & skf18("4","3","10","3","9","7","1") = "9"
    & skf18("4","3","10","3","9","8","1") = "9"
    & skf18("4","3","10","3","9","9","1") = "9"
    & skf18("4","3","10","3","9","10","1") = "9"
    & skf18("4","3","10","3","10","1","1") = "9"
    & skf18("4","3","10","3","10","2","1") = "9"
    & skf18("4","3","10","3","10","3","1") = "9"
    & skf18("4","3","10","3","10","4","1") = "9"
    & skf18("4","3","10","3","10","5","1") = "9"
    & skf18("4","3","10","3","10","6","1") = "9"
    & skf18("4","3","10","3","10","7","1") = "9"
    & skf18("4","3","10","3","10","8","1") = "9"
    & skf18("4","3","10","3","10","9","1") = "9"
    & skf18("4","3","10","3","10","10","1") = "9"
    & skf18("4","3","10","4","1","1","1") = "9"
    & skf18("4","3","10","4","1","2","1") = "9"
    & skf18("4","3","10","4","1","3","1") = "9"
    & skf18("4","3","10","4","1","4","1") = "9"
    & skf18("4","3","10","4","1","5","1") = "9"
    & skf18("4","3","10","4","1","6","1") = "9"
    & skf18("4","3","10","4","1","7","1") = "9"
    & skf18("4","3","10","4","1","8","1") = "9"
    & skf18("4","3","10","4","1","9","1") = "9"
    & skf18("4","3","10","4","1","10","1") = "9"
    & skf18("4","3","10","4","2","1","1") = "9"
    & skf18("4","3","10","4","2","2","1") = "9"
    & skf18("4","3","10","4","2","3","1") = "9"
    & skf18("4","3","10","4","2","4","1") = "9"
    & skf18("4","3","10","4","2","5","1") = "9"
    & skf18("4","3","10","4","2","6","1") = "9"
    & skf18("4","3","10","4","2","7","1") = "9"
    & skf18("4","3","10","4","2","8","1") = "9"
    & skf18("4","3","10","4","2","9","1") = "9"
    & skf18("4","3","10","4","2","10","1") = "9"
    & skf18("4","3","10","4","3","1","1") = "9"
    & skf18("4","3","10","4","3","2","1") = "9"
    & skf18("4","3","10","4","3","3","1") = "9"
    & skf18("4","3","10","4","3","4","1") = "9"
    & skf18("4","3","10","4","3","5","1") = "9"
    & skf18("4","3","10","4","3","6","1") = "9"
    & skf18("4","3","10","4","3","7","1") = "9"
    & skf18("4","3","10","4","3","8","1") = "9"
    & skf18("4","3","10","4","3","9","1") = "9"
    & skf18("4","3","10","4","3","10","1") = "9"
    & skf18("4","3","10","4","4","1","1") = "9"
    & skf18("4","3","10","4","4","2","1") = "9"
    & skf18("4","3","10","4","4","3","1") = "9"
    & skf18("4","3","10","4","4","4","1") = "9"
    & skf18("4","3","10","4","4","5","1") = "9"
    & skf18("4","3","10","4","4","6","1") = "9"
    & skf18("4","3","10","4","4","7","1") = "9"
    & skf18("4","3","10","4","4","8","1") = "9"
    & skf18("4","3","10","4","4","9","1") = "9"
    & skf18("4","3","10","4","4","10","1") = "9"
    & skf18("4","3","10","4","5","1","1") = "9"
    & skf18("4","3","10","4","5","2","1") = "9"
    & skf18("4","3","10","4","5","3","1") = "9"
    & skf18("4","3","10","4","5","4","1") = "9"
    & skf18("4","3","10","4","5","5","1") = "9"
    & skf18("4","3","10","4","5","6","1") = "9"
    & skf18("4","3","10","4","5","7","1") = "9"
    & skf18("4","3","10","4","5","8","1") = "9"
    & skf18("4","3","10","4","5","9","1") = "9"
    & skf18("4","3","10","4","5","10","1") = "9"
    & skf18("4","3","10","4","6","1","1") = "9"
    & skf18("4","3","10","4","6","2","1") = "9"
    & skf18("4","3","10","4","6","3","1") = "9"
    & skf18("4","3","10","4","6","4","1") = "9"
    & skf18("4","3","10","4","6","5","1") = "9"
    & skf18("4","3","10","4","6","6","1") = "9"
    & skf18("4","3","10","4","6","7","1") = "9"
    & skf18("4","3","10","4","6","8","1") = "9"
    & skf18("4","3","10","4","6","9","1") = "9"
    & skf18("4","3","10","4","6","10","1") = "9"
    & skf18("4","3","10","4","7","1","1") = "9"
    & skf18("4","3","10","4","7","2","1") = "9"
    & skf18("4","3","10","4","7","3","1") = "9"
    & skf18("4","3","10","4","7","4","1") = "9"
    & skf18("4","3","10","4","7","5","1") = "9"
    & skf18("4","3","10","4","7","6","1") = "9"
    & skf18("4","3","10","4","7","7","1") = "9"
    & skf18("4","3","10","4","7","8","1") = "9"
    & skf18("4","3","10","4","7","9","1") = "9"
    & skf18("4","3","10","4","7","10","1") = "9"
    & skf18("4","3","10","4","8","1","1") = "9"
    & skf18("4","3","10","4","8","2","1") = "9"
    & skf18("4","3","10","4","8","3","1") = "9"
    & skf18("4","3","10","4","8","4","1") = "9"
    & skf18("4","3","10","4","8","5","1") = "9"
    & skf18("4","3","10","4","8","6","1") = "9"
    & skf18("4","3","10","4","8","7","1") = "9"
    & skf18("4","3","10","4","8","8","1") = "9"
    & skf18("4","3","10","4","8","9","1") = "9"
    & skf18("4","3","10","4","8","10","1") = "9"
    & skf18("4","3","10","4","9","1","1") = "9"
    & skf18("4","3","10","4","9","2","1") = "9"
    & skf18("4","3","10","4","9","3","1") = "9"
    & skf18("4","3","10","4","9","4","1") = "9"
    & skf18("4","3","10","4","9","5","1") = "9"
    & skf18("4","3","10","4","9","6","1") = "9"
    & skf18("4","3","10","4","9","7","1") = "9"
    & skf18("4","3","10","4","9","8","1") = "9"
    & skf18("4","3","10","4","9","9","1") = "9"
    & skf18("4","3","10","4","9","10","1") = "9"
    & skf18("4","3","10","4","10","1","1") = "9"
    & skf18("4","3","10","4","10","2","1") = "9"
    & skf18("4","3","10","4","10","3","1") = "9"
    & skf18("4","3","10","4","10","4","1") = "9"
    & skf18("4","3","10","4","10","5","1") = "9"
    & skf18("4","3","10","4","10","6","1") = "9"
    & skf18("4","3","10","4","10","7","1") = "9"
    & skf18("4","3","10","4","10","8","1") = "9"
    & skf18("4","3","10","4","10","9","1") = "9"
    & skf18("4","3","10","4","10","10","1") = "9"
    & skf18("4","3","10","5","1","1","1") = "9"
    & skf18("4","3","10","5","1","2","1") = "9"
    & skf18("4","3","10","5","1","3","1") = "9"
    & skf18("4","3","10","5","1","4","1") = "9"
    & skf18("4","3","10","5","1","5","1") = "9"
    & skf18("4","3","10","5","1","6","1") = "9"
    & skf18("4","3","10","5","1","7","1") = "9"
    & skf18("4","3","10","5","1","8","1") = "9"
    & skf18("4","3","10","5","1","9","1") = "9"
    & skf18("4","3","10","5","1","10","1") = "9"
    & skf18("4","3","10","5","2","1","1") = "9"
    & skf18("4","3","10","5","2","2","1") = "9"
    & skf18("4","3","10","5","2","3","1") = "9"
    & skf18("4","3","10","5","2","4","1") = "9"
    & skf18("4","3","10","5","2","5","1") = "9"
    & skf18("4","3","10","5","2","6","1") = "9"
    & skf18("4","3","10","5","2","7","1") = "9"
    & skf18("4","3","10","5","2","8","1") = "9"
    & skf18("4","3","10","5","2","9","1") = "9"
    & skf18("4","3","10","5","2","10","1") = "9"
    & skf18("4","3","10","5","3","1","1") = "9"
    & skf18("4","3","10","5","3","2","1") = "9"
    & skf18("4","3","10","5","3","3","1") = "9"
    & skf18("4","3","10","5","3","4","1") = "9"
    & skf18("4","3","10","5","3","5","1") = "9"
    & skf18("4","3","10","5","3","6","1") = "9"
    & skf18("4","3","10","5","3","7","1") = "9"
    & skf18("4","3","10","5","3","8","1") = "9"
    & skf18("4","3","10","5","3","9","1") = "9"
    & skf18("4","3","10","5","3","10","1") = "9"
    & skf18("4","3","10","5","4","1","1") = "9"
    & skf18("4","3","10","5","4","2","1") = "9"
    & skf18("4","3","10","5","4","3","1") = "9"
    & skf18("4","3","10","5","4","4","1") = "9"
    & skf18("4","3","10","5","4","5","1") = "9"
    & skf18("4","3","10","5","4","6","1") = "9"
    & skf18("4","3","10","5","4","7","1") = "9"
    & skf18("4","3","10","5","4","8","1") = "9"
    & skf18("4","3","10","5","4","9","1") = "9"
    & skf18("4","3","10","5","4","10","1") = "9"
    & skf18("4","3","10","5","5","1","1") = "9"
    & skf18("4","3","10","5","5","2","1") = "9"
    & skf18("4","3","10","5","5","3","1") = "9"
    & skf18("4","3","10","5","5","4","1") = "9"
    & skf18("4","3","10","5","5","5","1") = "9"
    & skf18("4","3","10","5","5","6","1") = "9"
    & skf18("4","3","10","5","5","7","1") = "9"
    & skf18("4","3","10","5","5","8","1") = "9"
    & skf18("4","3","10","5","5","9","1") = "9"
    & skf18("4","3","10","5","5","10","1") = "9"
    & skf18("4","3","10","5","6","1","1") = "9"
    & skf18("4","3","10","5","6","2","1") = "9"
    & skf18("4","3","10","5","6","3","1") = "9"
    & skf18("4","3","10","5","6","4","1") = "9"
    & skf18("4","3","10","5","6","5","1") = "9"
    & skf18("4","3","10","5","6","6","1") = "9"
    & skf18("4","3","10","5","6","7","1") = "9"
    & skf18("4","3","10","5","6","8","1") = "9"
    & skf18("4","3","10","5","6","9","1") = "9"
    & skf18("4","3","10","5","6","10","1") = "9"
    & skf18("4","3","10","5","7","1","1") = "9"
    & skf18("4","3","10","5","7","2","1") = "9"
    & skf18("4","3","10","5","7","3","1") = "9"
    & skf18("4","3","10","5","7","4","1") = "9"
    & skf18("4","3","10","5","7","5","1") = "9"
    & skf18("4","3","10","5","7","6","1") = "9"
    & skf18("4","3","10","5","7","7","1") = "9"
    & skf18("4","3","10","5","7","8","1") = "9"
    & skf18("4","3","10","5","7","9","1") = "9"
    & skf18("4","3","10","5","7","10","1") = "9"
    & skf18("4","3","10","5","8","1","1") = "9"
    & skf18("4","3","10","5","8","2","1") = "9"
    & skf18("4","3","10","5","8","3","1") = "9"
    & skf18("4","3","10","5","8","4","1") = "9"
    & skf18("4","3","10","5","8","5","1") = "9"
    & skf18("4","3","10","5","8","6","1") = "9"
    & skf18("4","3","10","5","8","7","1") = "9"
    & skf18("4","3","10","5","8","8","1") = "9"
    & skf18("4","3","10","5","8","9","1") = "9"
    & skf18("4","3","10","5","8","10","1") = "9"
    & skf18("4","3","10","5","9","1","1") = "9"
    & skf18("4","3","10","5","9","2","1") = "9"
    & skf18("4","3","10","5","9","3","1") = "9"
    & skf18("4","3","10","5","9","4","1") = "9"
    & skf18("4","3","10","5","9","5","1") = "9"
    & skf18("4","3","10","5","9","6","1") = "9"
    & skf18("4","3","10","5","9","7","1") = "9"
    & skf18("4","3","10","5","9","8","1") = "9"
    & skf18("4","3","10","5","9","9","1") = "9"
    & skf18("4","3","10","5","9","10","1") = "9"
    & skf18("4","3","10","5","10","1","1") = "9"
    & skf18("4","3","10","5","10","2","1") = "9"
    & skf18("4","3","10","5","10","3","1") = "9"
    & skf18("4","3","10","5","10","4","1") = "9"
    & skf18("4","3","10","5","10","5","1") = "9"
    & skf18("4","3","10","5","10","6","1") = "9"
    & skf18("4","3","10","5","10","7","1") = "9"
    & skf18("4","3","10","5","10","8","1") = "9"
    & skf18("4","3","10","5","10","9","1") = "9"
    & skf18("4","3","10","5","10","10","1") = "9"
    & skf18("4","3","10","6","1","1","1") = "9"
    & skf18("4","3","10","6","1","2","1") = "9"
    & skf18("4","3","10","6","1","3","1") = "9"
    & skf18("4","3","10","6","1","4","1") = "9"
    & skf18("4","3","10","6","1","5","1") = "9"
    & skf18("4","3","10","6","1","6","1") = "9"
    & skf18("4","3","10","6","1","7","1") = "9"
    & skf18("4","3","10","6","1","8","1") = "9"
    & skf18("4","3","10","6","1","9","1") = "9"
    & skf18("4","3","10","6","1","10","1") = "9"
    & skf18("4","3","10","6","2","1","1") = "9"
    & skf18("4","3","10","6","2","2","1") = "9"
    & skf18("4","3","10","6","2","3","1") = "9"
    & skf18("4","3","10","6","2","4","1") = "9"
    & skf18("4","3","10","6","2","5","1") = "9"
    & skf18("4","3","10","6","2","6","1") = "9"
    & skf18("4","3","10","6","2","7","1") = "9"
    & skf18("4","3","10","6","2","8","1") = "9"
    & skf18("4","3","10","6","2","9","1") = "9"
    & skf18("4","3","10","6","2","10","1") = "9"
    & skf18("4","3","10","6","3","1","1") = "9"
    & skf18("4","3","10","6","3","2","1") = "9"
    & skf18("4","3","10","6","3","3","1") = "9"
    & skf18("4","3","10","6","3","4","1") = "9"
    & skf18("4","3","10","6","3","5","1") = "9"
    & skf18("4","3","10","6","3","6","1") = "9"
    & skf18("4","3","10","6","3","7","1") = "9"
    & skf18("4","3","10","6","3","8","1") = "9"
    & skf18("4","3","10","6","3","9","1") = "9"
    & skf18("4","3","10","6","3","10","1") = "9"
    & skf18("4","3","10","6","4","1","1") = "9"
    & skf18("4","3","10","6","4","2","1") = "9"
    & skf18("4","3","10","6","4","3","1") = "9"
    & skf18("4","3","10","6","4","4","1") = "9"
    & skf18("4","3","10","6","4","5","1") = "9"
    & skf18("4","3","10","6","4","6","1") = "9"
    & skf18("4","3","10","6","4","7","1") = "9"
    & skf18("4","3","10","6","4","8","1") = "9"
    & skf18("4","3","10","6","4","9","1") = "9"
    & skf18("4","3","10","6","4","10","1") = "9"
    & skf18("4","3","10","6","5","1","1") = "9"
    & skf18("4","3","10","6","5","2","1") = "9"
    & skf18("4","3","10","6","5","3","1") = "9"
    & skf18("4","3","10","6","5","4","1") = "9"
    & skf18("4","3","10","6","5","5","1") = "9"
    & skf18("4","3","10","6","5","6","1") = "9"
    & skf18("4","3","10","6","5","7","1") = "9"
    & skf18("4","3","10","6","5","8","1") = "9"
    & skf18("4","3","10","6","5","9","1") = "9"
    & skf18("4","3","10","6","5","10","1") = "9"
    & skf18("4","3","10","6","6","1","1") = "9"
    & skf18("4","3","10","6","6","2","1") = "9"
    & skf18("4","3","10","6","6","3","1") = "9"
    & skf18("4","3","10","6","6","4","1") = "9"
    & skf18("4","3","10","6","6","5","1") = "9"
    & skf18("4","3","10","6","6","6","1") = "9"
    & skf18("4","3","10","6","6","7","1") = "9"
    & skf18("4","3","10","6","6","8","1") = "9"
    & skf18("4","3","10","6","6","9","1") = "9"
    & skf18("4","3","10","6","6","10","1") = "9"
    & skf18("4","3","10","6","7","1","1") = "9"
    & skf18("4","3","10","6","7","2","1") = "9"
    & skf18("4","3","10","6","7","3","1") = "9"
    & skf18("4","3","10","6","7","4","1") = "9"
    & skf18("4","3","10","6","7","5","1") = "9"
    & skf18("4","3","10","6","7","6","1") = "9"
    & skf18("4","3","10","6","7","7","1") = "9"
    & skf18("4","3","10","6","7","8","1") = "9"
    & skf18("4","3","10","6","7","9","1") = "9"
    & skf18("4","3","10","6","7","10","1") = "9"
    & skf18("4","3","10","6","8","1","1") = "9"
    & skf18("4","3","10","6","8","2","1") = "9"
    & skf18("4","3","10","6","8","3","1") = "9"
    & skf18("4","3","10","6","8","4","1") = "9"
    & skf18("4","3","10","6","8","5","1") = "9"
    & skf18("4","3","10","6","8","6","1") = "9"
    & skf18("4","3","10","6","8","7","1") = "9"
    & skf18("4","3","10","6","8","8","1") = "9"
    & skf18("4","3","10","6","8","9","1") = "9"
    & skf18("4","3","10","6","8","10","1") = "9"
    & skf18("4","3","10","6","9","1","1") = "9"
    & skf18("4","3","10","6","9","2","1") = "9"
    & skf18("4","3","10","6","9","3","1") = "9"
    & skf18("4","3","10","6","9","4","1") = "9"
    & skf18("4","3","10","6","9","5","1") = "9"
    & skf18("4","3","10","6","9","6","1") = "9"
    & skf18("4","3","10","6","9","7","1") = "9"
    & skf18("4","3","10","6","9","8","1") = "9"
    & skf18("4","3","10","6","9","9","1") = "9"
    & skf18("4","3","10","6","9","10","1") = "9"
    & skf18("4","3","10","6","10","1","1") = "9"
    & skf18("4","3","10","6","10","2","1") = "9"
    & skf18("4","3","10","6","10","3","1") = "9"
    & skf18("4","3","10","6","10","4","1") = "9"
    & skf18("4","3","10","6","10","5","1") = "9"
    & skf18("4","3","10","6","10","6","1") = "9"
    & skf18("4","3","10","6","10","7","1") = "9"
    & skf18("4","3","10","6","10","8","1") = "9"
    & skf18("4","3","10","6","10","9","1") = "9"
    & skf18("4","3","10","6","10","10","1") = "9"
    & skf18("4","3","10","7","1","1","1") = "9"
    & skf18("4","3","10","7","1","2","1") = "9"
    & skf18("4","3","10","7","1","3","1") = "9"
    & skf18("4","3","10","7","1","4","1") = "9"
    & skf18("4","3","10","7","1","5","1") = "9"
    & skf18("4","3","10","7","1","6","1") = "9"
    & skf18("4","3","10","7","1","7","1") = "9"
    & skf18("4","3","10","7","1","8","1") = "9"
    & skf18("4","3","10","7","1","9","1") = "9"
    & skf18("4","3","10","7","1","10","1") = "9"
    & skf18("4","3","10","7","2","1","1") = "9"
    & skf18("4","3","10","7","2","2","1") = "9"
    & skf18("4","3","10","7","2","3","1") = "9"
    & skf18("4","3","10","7","2","4","1") = "9"
    & skf18("4","3","10","7","2","5","1") = "9"
    & skf18("4","3","10","7","2","6","1") = "9"
    & skf18("4","3","10","7","2","7","1") = "9"
    & skf18("4","3","10","7","2","8","1") = "9"
    & skf18("4","3","10","7","2","9","1") = "9"
    & skf18("4","3","10","7","2","10","1") = "9"
    & skf18("4","3","10","7","3","1","1") = "9"
    & skf18("4","3","10","7","3","2","1") = "9"
    & skf18("4","3","10","7","3","3","1") = "9"
    & skf18("4","3","10","7","3","4","1") = "9"
    & skf18("4","3","10","7","3","5","1") = "9"
    & skf18("4","3","10","7","3","6","1") = "9"
    & skf18("4","3","10","7","3","7","1") = "9"
    & skf18("4","3","10","7","3","8","1") = "9"
    & skf18("4","3","10","7","3","9","1") = "9"
    & skf18("4","3","10","7","3","10","1") = "9"
    & skf18("4","3","10","7","4","1","1") = "9"
    & skf18("4","3","10","7","4","2","1") = "9"
    & skf18("4","3","10","7","4","3","1") = "9"
    & skf18("4","3","10","7","4","4","1") = "9"
    & skf18("4","3","10","7","4","5","1") = "9"
    & skf18("4","3","10","7","4","6","1") = "9"
    & skf18("4","3","10","7","4","7","1") = "9"
    & skf18("4","3","10","7","4","8","1") = "9"
    & skf18("4","3","10","7","4","9","1") = "9"
    & skf18("4","3","10","7","4","10","1") = "9"
    & skf18("4","3","10","7","5","1","1") = "9"
    & skf18("4","3","10","7","5","2","1") = "9"
    & skf18("4","3","10","7","5","3","1") = "9"
    & skf18("4","3","10","7","5","4","1") = "9"
    & skf18("4","3","10","7","5","5","1") = "9"
    & skf18("4","3","10","7","5","6","1") = "9"
    & skf18("4","3","10","7","5","7","1") = "9"
    & skf18("4","3","10","7","5","8","1") = "9"
    & skf18("4","3","10","7","5","9","1") = "9"
    & skf18("4","3","10","7","5","10","1") = "9"
    & skf18("4","3","10","7","6","1","1") = "9"
    & skf18("4","3","10","7","6","2","1") = "9"
    & skf18("4","3","10","7","6","3","1") = "9"
    & skf18("4","3","10","7","6","4","1") = "9"
    & skf18("4","3","10","7","6","5","1") = "9"
    & skf18("4","3","10","7","6","6","1") = "9"
    & skf18("4","3","10","7","6","7","1") = "9"
    & skf18("4","3","10","7","6","8","1") = "9"
    & skf18("4","3","10","7","6","9","1") = "9"
    & skf18("4","3","10","7","6","10","1") = "9"
    & skf18("4","3","10","7","7","1","1") = "9"
    & skf18("4","3","10","7","7","2","1") = "9"
    & skf18("4","3","10","7","7","3","1") = "9"
    & skf18("4","3","10","7","7","4","1") = "9"
    & skf18("4","3","10","7","7","5","1") = "9"
    & skf18("4","3","10","7","7","6","1") = "9"
    & skf18("4","3","10","7","7","7","1") = "9"
    & skf18("4","3","10","7","7","8","1") = "9"
    & skf18("4","3","10","7","7","9","1") = "9"
    & skf18("4","3","10","7","7","10","1") = "9"
    & skf18("4","3","10","7","8","1","1") = "9"
    & skf18("4","3","10","7","8","2","1") = "9"
    & skf18("4","3","10","7","8","3","1") = "9"
    & skf18("4","3","10","7","8","4","1") = "9"
    & skf18("4","3","10","7","8","5","1") = "9"
    & skf18("4","3","10","7","8","6","1") = "9"
    & skf18("4","3","10","7","8","7","1") = "9"
    & skf18("4","3","10","7","8","8","1") = "9"
    & skf18("4","3","10","7","8","9","1") = "9"
    & skf18("4","3","10","7","8","10","1") = "9"
    & skf18("4","3","10","7","9","1","1") = "9"
    & skf18("4","3","10","7","9","2","1") = "9"
    & skf18("4","3","10","7","9","3","1") = "9"
    & skf18("4","3","10","7","9","4","1") = "9"
    & skf18("4","3","10","7","9","5","1") = "9"
    & skf18("4","3","10","7","9","6","1") = "9"
    & skf18("4","3","10","7","9","7","1") = "9"
    & skf18("4","3","10","7","9","8","1") = "9"
    & skf18("4","3","10","7","9","9","1") = "9"
    & skf18("4","3","10","7","9","10","1") = "9"
    & skf18("4","3","10","7","10","1","1") = "9"
    & skf18("4","3","10","7","10","2","1") = "9"
    & skf18("4","3","10","7","10","3","1") = "9"
    & skf18("4","3","10","7","10","4","1") = "9"
    & skf18("4","3","10","7","10","5","1") = "9"
    & skf18("4","3","10","7","10","6","1") = "9"
    & skf18("4","3","10","7","10","7","1") = "9"
    & skf18("4","3","10","7","10","8","1") = "9"
    & skf18("4","3","10","7","10","9","1") = "9"
    & skf18("4","3","10","7","10","10","1") = "9"
    & skf18("4","3","10","8","1","1","1") = "9"
    & skf18("4","3","10","8","1","2","1") = "9"
    & skf18("4","3","10","8","1","3","1") = "9"
    & skf18("4","3","10","8","1","4","1") = "9"
    & skf18("4","3","10","8","1","5","1") = "9"
    & skf18("4","3","10","8","1","6","1") = "9"
    & skf18("4","3","10","8","1","7","1") = "9"
    & skf18("4","3","10","8","1","8","1") = "9"
    & skf18("4","3","10","8","1","9","1") = "9"
    & skf18("4","3","10","8","1","10","1") = "9"
    & skf18("4","3","10","8","2","1","1") = "9"
    & skf18("4","3","10","8","2","2","1") = "9"
    & skf18("4","3","10","8","2","3","1") = "9"
    & skf18("4","3","10","8","2","4","1") = "9"
    & skf18("4","3","10","8","2","5","1") = "9"
    & skf18("4","3","10","8","2","6","1") = "9"
    & skf18("4","3","10","8","2","7","1") = "9"
    & skf18("4","3","10","8","2","8","1") = "9"
    & skf18("4","3","10","8","2","9","1") = "9"
    & skf18("4","3","10","8","2","10","1") = "9"
    & skf18("4","3","10","8","3","1","1") = "9"
    & skf18("4","3","10","8","3","2","1") = "9"
    & skf18("4","3","10","8","3","3","1") = "9"
    & skf18("4","3","10","8","3","4","1") = "9"
    & skf18("4","3","10","8","3","5","1") = "9"
    & skf18("4","3","10","8","3","6","1") = "9"
    & skf18("4","3","10","8","3","7","1") = "9"
    & skf18("4","3","10","8","3","8","1") = "9"
    & skf18("4","3","10","8","3","9","1") = "9"
    & skf18("4","3","10","8","3","10","1") = "9"
    & skf18("4","3","10","8","4","1","1") = "9"
    & skf18("4","3","10","8","4","2","1") = "9"
    & skf18("4","3","10","8","4","3","1") = "9"
    & skf18("4","3","10","8","4","4","1") = "9"
    & skf18("4","3","10","8","4","5","1") = "9"
    & skf18("4","3","10","8","4","6","1") = "9"
    & skf18("4","3","10","8","4","7","1") = "9"
    & skf18("4","3","10","8","4","8","1") = "9"
    & skf18("4","3","10","8","4","9","1") = "9"
    & skf18("4","3","10","8","4","10","1") = "9"
    & skf18("4","3","10","8","5","1","1") = "9"
    & skf18("4","3","10","8","5","2","1") = "9"
    & skf18("4","3","10","8","5","3","1") = "9"
    & skf18("4","3","10","8","5","4","1") = "9"
    & skf18("4","3","10","8","5","5","1") = "9"
    & skf18("4","3","10","8","5","6","1") = "9"
    & skf18("4","3","10","8","5","7","1") = "9"
    & skf18("4","3","10","8","5","8","1") = "9"
    & skf18("4","3","10","8","5","9","1") = "9"
    & skf18("4","3","10","8","5","10","1") = "9"
    & skf18("4","3","10","8","6","1","1") = "9"
    & skf18("4","3","10","8","6","2","1") = "9"
    & skf18("4","3","10","8","6","3","1") = "9"
    & skf18("4","3","10","8","6","4","1") = "9"
    & skf18("4","3","10","8","6","5","1") = "9"
    & skf18("4","3","10","8","6","6","1") = "9"
    & skf18("4","3","10","8","6","7","1") = "9"
    & skf18("4","3","10","8","6","8","1") = "9"
    & skf18("4","3","10","8","6","9","1") = "9"
    & skf18("4","3","10","8","6","10","1") = "9"
    & skf18("4","3","10","8","7","1","1") = "9"
    & skf18("4","3","10","8","7","2","1") = "9"
    & skf18("4","3","10","8","7","3","1") = "9"
    & skf18("4","3","10","8","7","4","1") = "9"
    & skf18("4","3","10","8","7","5","1") = "9"
    & skf18("4","3","10","8","7","6","1") = "9"
    & skf18("4","3","10","8","7","7","1") = "9"
    & skf18("4","3","10","8","7","8","1") = "9"
    & skf18("4","3","10","8","7","9","1") = "9"
    & skf18("4","3","10","8","7","10","1") = "9"
    & skf18("4","3","10","8","8","1","1") = "9"
    & skf18("4","3","10","8","8","2","1") = "9"
    & skf18("4","3","10","8","8","3","1") = "9"
    & skf18("4","3","10","8","8","4","1") = "9"
    & skf18("4","3","10","8","8","5","1") = "9"
    & skf18("4","3","10","8","8","6","1") = "9"
    & skf18("4","3","10","8","8","7","1") = "9"
    & skf18("4","3","10","8","8","8","1") = "9"
    & skf18("4","3","10","8","8","9","1") = "9"
    & skf18("4","3","10","8","8","10","1") = "9"
    & skf18("4","3","10","8","9","1","1") = "9"
    & skf18("4","3","10","8","9","2","1") = "9"
    & skf18("4","3","10","8","9","3","1") = "9"
    & skf18("4","3","10","8","9","4","1") = "9"
    & skf18("4","3","10","8","9","5","1") = "9"
    & skf18("4","3","10","8","9","6","1") = "9"
    & skf18("4","3","10","8","9","7","1") = "9"
    & skf18("4","3","10","8","9","8","1") = "9"
    & skf18("4","3","10","8","9","9","1") = "9"
    & skf18("4","3","10","8","9","10","1") = "9"
    & skf18("4","3","10","8","10","1","1") = "9"
    & skf18("4","3","10","8","10","2","1") = "9"
    & skf18("4","3","10","8","10","3","1") = "9"
    & skf18("4","3","10","8","10","4","1") = "9"
    & skf18("4","3","10","8","10","5","1") = "9"
    & skf18("4","3","10","8","10","6","1") = "9"
    & skf18("4","3","10","8","10","7","1") = "9"
    & skf18("4","3","10","8","10","8","1") = "9"
    & skf18("4","3","10","8","10","9","1") = "9"
    & skf18("4","3","10","8","10","10","1") = "9"
    & skf18("4","3","10","9","1","1","1") = "9"
    & skf18("4","3","10","9","1","2","1") = "9"
    & skf18("4","3","10","9","1","3","1") = "9"
    & skf18("4","3","10","9","1","4","1") = "9"
    & skf18("4","3","10","9","1","5","1") = "9"
    & skf18("4","3","10","9","1","6","1") = "9"
    & skf18("4","3","10","9","1","7","1") = "9"
    & skf18("4","3","10","9","1","8","1") = "9"
    & skf18("4","3","10","9","1","9","1") = "9"
    & skf18("4","3","10","9","1","10","1") = "9"
    & skf18("4","3","10","9","2","1","1") = "9"
    & skf18("4","3","10","9","2","2","1") = "9"
    & skf18("4","3","10","9","2","3","1") = "9"
    & skf18("4","3","10","9","2","4","1") = "9"
    & skf18("4","3","10","9","2","5","1") = "9"
    & skf18("4","3","10","9","2","6","1") = "9"
    & skf18("4","3","10","9","2","7","1") = "9"
    & skf18("4","3","10","9","2","8","1") = "9"
    & skf18("4","3","10","9","2","9","1") = "9"
    & skf18("4","3","10","9","2","10","1") = "9"
    & skf18("4","3","10","9","3","1","1") = "9"
    & skf18("4","3","10","9","3","2","1") = "9"
    & skf18("4","3","10","9","3","3","1") = "9"
    & skf18("4","3","10","9","3","4","1") = "9"
    & skf18("4","3","10","9","3","5","1") = "9"
    & skf18("4","3","10","9","3","6","1") = "9"
    & skf18("4","3","10","9","3","7","1") = "9"
    & skf18("4","3","10","9","3","8","1") = "9"
    & skf18("4","3","10","9","3","9","1") = "9"
    & skf18("4","3","10","9","3","10","1") = "9"
    & skf18("4","3","10","9","4","1","1") = "9"
    & skf18("4","3","10","9","4","2","1") = "9"
    & skf18("4","3","10","9","4","3","1") = "9"
    & skf18("4","3","10","9","4","4","1") = "9"
    & skf18("4","3","10","9","4","5","1") = "9"
    & skf18("4","3","10","9","4","6","1") = "9"
    & skf18("4","3","10","9","4","7","1") = "9"
    & skf18("4","3","10","9","4","8","1") = "9"
    & skf18("4","3","10","9","4","9","1") = "9"
    & skf18("4","3","10","9","4","10","1") = "9"
    & skf18("4","3","10","9","5","1","1") = "9"
    & skf18("4","3","10","9","5","2","1") = "9"
    & skf18("4","3","10","9","5","3","1") = "9"
    & skf18("4","3","10","9","5","4","1") = "9"
    & skf18("4","3","10","9","5","5","1") = "9"
    & skf18("4","3","10","9","5","6","1") = "9"
    & skf18("4","3","10","9","5","7","1") = "9"
    & skf18("4","3","10","9","5","8","1") = "9"
    & skf18("4","3","10","9","5","9","1") = "9"
    & skf18("4","3","10","9","5","10","1") = "9"
    & skf18("4","3","10","9","6","1","1") = "9"
    & skf18("4","3","10","9","6","2","1") = "9"
    & skf18("4","3","10","9","6","3","1") = "9"
    & skf18("4","3","10","9","6","4","1") = "9"
    & skf18("4","3","10","9","6","5","1") = "9"
    & skf18("4","3","10","9","6","6","1") = "9"
    & skf18("4","3","10","9","6","7","1") = "9"
    & skf18("4","3","10","9","6","8","1") = "9"
    & skf18("4","3","10","9","6","9","1") = "9"
    & skf18("4","3","10","9","6","10","1") = "9"
    & skf18("4","3","10","9","7","1","1") = "9"
    & skf18("4","3","10","9","7","2","1") = "9"
    & skf18("4","3","10","9","7","3","1") = "9"
    & skf18("4","3","10","9","7","4","1") = "9"
    & skf18("4","3","10","9","7","5","1") = "9"
    & skf18("4","3","10","9","7","6","1") = "9"
    & skf18("4","3","10","9","7","7","1") = "9"
    & skf18("4","3","10","9","7","8","1") = "9"
    & skf18("4","3","10","9","7","9","1") = "9"
    & skf18("4","3","10","9","7","10","1") = "9"
    & skf18("4","3","10","9","8","1","1") = "9"
    & skf18("4","3","10","9","8","2","1") = "9"
    & skf18("4","3","10","9","8","3","1") = "9"
    & skf18("4","3","10","9","8","4","1") = "9"
    & skf18("4","3","10","9","8","5","1") = "9"
    & skf18("4","3","10","9","8","6","1") = "9"
    & skf18("4","3","10","9","8","7","1") = "9"
    & skf18("4","3","10","9","8","8","1") = "9"
    & skf18("4","3","10","9","8","9","1") = "9"
    & skf18("4","3","10","9","8","10","1") = "9"
    & skf18("4","3","10","9","9","1","1") = "9"
    & skf18("4","3","10","9","9","2","1") = "9"
    & skf18("4","3","10","9","9","3","1") = "9"
    & skf18("4","3","10","9","9","4","1") = "9"
    & skf18("4","3","10","9","9","5","1") = "9"
    & skf18("4","3","10","9","9","6","1") = "9"
    & skf18("4","3","10","9","9","7","1") = "9"
    & skf18("4","3","10","9","9","8","1") = "9"
    & skf18("4","3","10","9","9","9","1") = "9"
    & skf18("4","3","10","9","9","10","1") = "9"
    & skf18("4","3","10","9","10","1","1") = "9"
    & skf18("4","3","10","9","10","2","1") = "9"
    & skf18("4","3","10","9","10","3","1") = "9"
    & skf18("4","3","10","9","10","4","1") = "9"
    & skf18("4","3","10","9","10","5","1") = "9"
    & skf18("4","3","10","9","10","6","1") = "9"
    & skf18("4","3","10","9","10","7","1") = "9"
    & skf18("4","3","10","9","10","8","1") = "9"
    & skf18("4","3","10","9","10","9","1") = "9"
    & skf18("4","3","10","9","10","10","1") = "9"
    & skf18("4","3","10","10","1","1","1") = "9"
    & skf18("4","3","10","10","1","2","1") = "9"
    & skf18("4","3","10","10","1","3","1") = "9"
    & skf18("4","3","10","10","1","4","1") = "9"
    & skf18("4","3","10","10","1","5","1") = "9"
    & skf18("4","3","10","10","1","6","1") = "9"
    & skf18("4","3","10","10","1","7","1") = "9"
    & skf18("4","3","10","10","1","8","1") = "9"
    & skf18("4","3","10","10","1","9","1") = "9"
    & skf18("4","3","10","10","1","10","1") = "9"
    & skf18("4","3","10","10","2","1","1") = "9"
    & skf18("4","3","10","10","2","2","1") = "9"
    & skf18("4","3","10","10","2","3","1") = "9"
    & skf18("4","3","10","10","2","4","1") = "9"
    & skf18("4","3","10","10","2","5","1") = "9"
    & skf18("4","3","10","10","2","6","1") = "9"
    & skf18("4","3","10","10","2","7","1") = "9"
    & skf18("4","3","10","10","2","8","1") = "9"
    & skf18("4","3","10","10","2","9","1") = "9"
    & skf18("4","3","10","10","2","10","1") = "9"
    & skf18("4","3","10","10","3","1","1") = "9"
    & skf18("4","3","10","10","3","2","1") = "9"
    & skf18("4","3","10","10","3","3","1") = "9"
    & skf18("4","3","10","10","3","4","1") = "9"
    & skf18("4","3","10","10","3","5","1") = "9"
    & skf18("4","3","10","10","3","6","1") = "9"
    & skf18("4","3","10","10","3","7","1") = "9"
    & skf18("4","3","10","10","3","8","1") = "9"
    & skf18("4","3","10","10","3","9","1") = "9"
    & skf18("4","3","10","10","3","10","1") = "9"
    & skf18("4","3","10","10","4","1","1") = "9"
    & skf18("4","3","10","10","4","2","1") = "9"
    & skf18("4","3","10","10","4","3","1") = "9"
    & skf18("4","3","10","10","4","4","1") = "9"
    & skf18("4","3","10","10","4","5","1") = "9"
    & skf18("4","3","10","10","4","6","1") = "9"
    & skf18("4","3","10","10","4","7","1") = "9"
    & skf18("4","3","10","10","4","8","1") = "9"
    & skf18("4","3","10","10","4","9","1") = "9"
    & skf18("4","3","10","10","4","10","1") = "9"
    & skf18("4","3","10","10","5","1","1") = "9"
    & skf18("4","3","10","10","5","2","1") = "9"
    & skf18("4","3","10","10","5","3","1") = "9"
    & skf18("4","3","10","10","5","4","1") = "9"
    & skf18("4","3","10","10","5","5","1") = "9"
    & skf18("4","3","10","10","5","6","1") = "9"
    & skf18("4","3","10","10","5","7","1") = "9"
    & skf18("4","3","10","10","5","8","1") = "9"
    & skf18("4","3","10","10","5","9","1") = "9"
    & skf18("4","3","10","10","5","10","1") = "9"
    & skf18("4","3","10","10","6","1","1") = "9"
    & skf18("4","3","10","10","6","2","1") = "9"
    & skf18("4","3","10","10","6","3","1") = "9"
    & skf18("4","3","10","10","6","4","1") = "9"
    & skf18("4","3","10","10","6","5","1") = "9"
    & skf18("4","3","10","10","6","6","1") = "9"
    & skf18("4","3","10","10","6","7","1") = "9"
    & skf18("4","3","10","10","6","8","1") = "9"
    & skf18("4","3","10","10","6","9","1") = "9"
    & skf18("4","3","10","10","6","10","1") = "9"
    & skf18("4","3","10","10","7","1","1") = "9"
    & skf18("4","3","10","10","7","2","1") = "9"
    & skf18("4","3","10","10","7","3","1") = "9"
    & skf18("4","3","10","10","7","4","1") = "9"
    & skf18("4","3","10","10","7","5","1") = "9"
    & skf18("4","3","10","10","7","6","1") = "9"
    & skf18("4","3","10","10","7","7","1") = "9"
    & skf18("4","3","10","10","7","8","1") = "9"
    & skf18("4","3","10","10","7","9","1") = "9"
    & skf18("4","3","10","10","7","10","1") = "9"
    & skf18("4","3","10","10","8","1","1") = "9"
    & skf18("4","3","10","10","8","2","1") = "9"
    & skf18("4","3","10","10","8","3","1") = "9"
    & skf18("4","3","10","10","8","4","1") = "9"
    & skf18("4","3","10","10","8","5","1") = "9"
    & skf18("4","3","10","10","8","6","1") = "9"
    & skf18("4","3","10","10","8","7","1") = "9"
    & skf18("4","3","10","10","8","8","1") = "9"
    & skf18("4","3","10","10","8","9","1") = "9"
    & skf18("4","3","10","10","8","10","1") = "9"
    & skf18("4","3","10","10","9","1","1") = "9"
    & skf18("4","3","10","10","9","2","1") = "9"
    & skf18("4","3","10","10","9","3","1") = "9"
    & skf18("4","3","10","10","9","4","1") = "9"
    & skf18("4","3","10","10","9","5","1") = "9"
    & skf18("4","3","10","10","9","6","1") = "9"
    & skf18("4","3","10","10","9","7","1") = "9"
    & skf18("4","3","10","10","9","8","1") = "9"
    & skf18("4","3","10","10","9","9","1") = "9"
    & skf18("4","3","10","10","9","10","1") = "9"
    & skf18("4","3","10","10","10","1","1") = "9"
    & skf18("4","3","10","10","10","2","1") = "9"
    & skf18("4","3","10","10","10","3","1") = "9"
    & skf18("4","3","10","10","10","4","1") = "9"
    & skf18("4","3","10","10","10","5","1") = "9"
    & skf18("4","3","10","10","10","6","1") = "9"
    & skf18("4","3","10","10","10","7","1") = "9"
    & skf18("4","3","10","10","10","8","1") = "9"
    & skf18("4","3","10","10","10","9","1") = "9"
    & skf18("4","3","10","10","10","10","1") = "9"
    & skf18("4","4","1","1","1","1","1") = "3"
    & skf18("4","4","1","1","1","2","1") = "3"
    & skf18("4","4","1","1","1","3","1") = "3"
    & skf18("4","4","1","1","1","4","1") = "3"
    & skf18("4","4","1","1","1","5","1") = "4"
    & skf18("4","4","1","1","1","6","1") = "5"
    & skf18("4","4","1","1","1","7","1") = "6"
    & skf18("4","4","1","1","1","8","1") = "7"
    & skf18("4","4","1","1","1","9","1") = "8"
    & skf18("4","4","1","1","1","10","1") = "9"
    & skf18("4","4","1","1","2","1","1") = "3"
    & skf18("4","4","1","1","2","2","1") = "3"
    & skf18("4","4","1","1","2","3","1") = "3"
    & skf18("4","4","1","1","2","4","1") = "3"
    & skf18("4","4","1","1","2","5","1") = "4"
    & skf18("4","4","1","1","2","6","1") = "5"
    & skf18("4","4","1","1","2","7","1") = "6"
    & skf18("4","4","1","1","2","8","1") = "7"
    & skf18("4","4","1","1","2","9","1") = "8"
    & skf18("4","4","1","1","2","10","1") = "9"
    & skf18("4","4","1","1","3","1","1") = "3"
    & skf18("4","4","1","1","3","2","1") = "3"
    & skf18("4","4","1","1","3","3","1") = "3"
    & skf18("4","4","1","1","3","4","1") = "3"
    & skf18("4","4","1","1","3","5","1") = "4"
    & skf18("4","4","1","1","3","6","1") = "5"
    & skf18("4","4","1","1","3","7","1") = "6"
    & skf18("4","4","1","1","3","8","1") = "7"
    & skf18("4","4","1","1","3","9","1") = "8"
    & skf18("4","4","1","1","3","10","1") = "9"
    & skf18("4","4","1","1","4","1","1") = "3"
    & skf18("4","4","1","1","4","2","1") = "3"
    & skf18("4","4","1","1","4","3","1") = "3"
    & skf18("4","4","1","1","4","4","1") = "3"
    & skf18("4","4","1","1","4","5","1") = "4"
    & skf18("4","4","1","1","4","6","1") = "5"
    & skf18("4","4","1","1","4","7","1") = "6"
    & skf18("4","4","1","1","4","8","1") = "7"
    & skf18("4","4","1","1","4","9","1") = "8"
    & skf18("4","4","1","1","4","10","1") = "9"
    & skf18("4","4","1","1","5","1","1") = "4"
    & skf18("4","4","1","1","5","2","1") = "4"
    & skf18("4","4","1","1","5","3","1") = "4"
    & skf18("4","4","1","1","5","4","1") = "4"
    & skf18("4","4","1","1","5","5","1") = "4"
    & skf18("4","4","1","1","5","6","1") = "5"
    & skf18("4","4","1","1","5","7","1") = "6"
    & skf18("4","4","1","1","5","8","1") = "7"
    & skf18("4","4","1","1","5","9","1") = "8"
    & skf18("4","4","1","1","5","10","1") = "9"
    & skf18("4","4","1","1","6","1","1") = "5"
    & skf18("4","4","1","1","6","2","1") = "5"
    & skf18("4","4","1","1","6","3","1") = "5"
    & skf18("4","4","1","1","6","4","1") = "5"
    & skf18("4","4","1","1","6","5","1") = "5"
    & skf18("4","4","1","1","6","6","1") = "5"
    & skf18("4","4","1","1","6","7","1") = "6"
    & skf18("4","4","1","1","6","8","1") = "7"
    & skf18("4","4","1","1","6","9","1") = "8"
    & skf18("4","4","1","1","6","10","1") = "9"
    & skf18("4","4","1","1","7","1","1") = "6"
    & skf18("4","4","1","1","7","2","1") = "6"
    & skf18("4","4","1","1","7","3","1") = "6"
    & skf18("4","4","1","1","7","4","1") = "6"
    & skf18("4","4","1","1","7","5","1") = "6"
    & skf18("4","4","1","1","7","6","1") = "6"
    & skf18("4","4","1","1","7","7","1") = "6"
    & skf18("4","4","1","1","7","8","1") = "7"
    & skf18("4","4","1","1","7","9","1") = "8"
    & skf18("4","4","1","1","7","10","1") = "9"
    & skf18("4","4","1","1","8","1","1") = "7"
    & skf18("4","4","1","1","8","2","1") = "7"
    & skf18("4","4","1","1","8","3","1") = "7"
    & skf18("4","4","1","1","8","4","1") = "7"
    & skf18("4","4","1","1","8","5","1") = "7"
    & skf18("4","4","1","1","8","6","1") = "7"
    & skf18("4","4","1","1","8","7","1") = "7"
    & skf18("4","4","1","1","8","8","1") = "7"
    & skf18("4","4","1","1","8","9","1") = "8"
    & skf18("4","4","1","1","8","10","1") = "9"
    & skf18("4","4","1","1","9","1","1") = "8"
    & skf18("4","4","1","1","9","2","1") = "8"
    & skf18("4","4","1","1","9","3","1") = "8"
    & skf18("4","4","1","1","9","4","1") = "8"
    & skf18("4","4","1","1","9","5","1") = "8"
    & skf18("4","4","1","1","9","6","1") = "8"
    & skf18("4","4","1","1","9","7","1") = "8"
    & skf18("4","4","1","1","9","8","1") = "8"
    & skf18("4","4","1","1","9","9","1") = "8"
    & skf18("4","4","1","1","9","10","1") = "9"
    & skf18("4","4","1","1","10","1","1") = "9"
    & skf18("4","4","1","1","10","2","1") = "9"
    & skf18("4","4","1","1","10","3","1") = "9"
    & skf18("4","4","1","1","10","4","1") = "9"
    & skf18("4","4","1","1","10","5","1") = "9"
    & skf18("4","4","1","1","10","6","1") = "9"
    & skf18("4","4","1","1","10","7","1") = "9"
    & skf18("4","4","1","1","10","8","1") = "9"
    & skf18("4","4","1","1","10","9","1") = "9"
    & skf18("4","4","1","1","10","10","1") = "9"
    & skf18("4","4","1","2","1","1","1") = "3"
    & skf18("4","4","1","2","1","2","1") = "3"
    & skf18("4","4","1","2","1","3","1") = "3"
    & skf18("4","4","1","2","1","4","1") = "3"
    & skf18("4","4","1","2","1","5","1") = "4"
    & skf18("4","4","1","2","1","6","1") = "5"
    & skf18("4","4","1","2","1","7","1") = "6"
    & skf18("4","4","1","2","1","8","1") = "7"
    & skf18("4","4","1","2","1","9","1") = "8"
    & skf18("4","4","1","2","1","10","1") = "9"
    & skf18("4","4","1","2","2","1","1") = "3"
    & skf18("4","4","1","2","2","2","1") = "3"
    & skf18("4","4","1","2","2","3","1") = "3"
    & skf18("4","4","1","2","2","4","1") = "3"
    & skf18("4","4","1","2","2","5","1") = "4"
    & skf18("4","4","1","2","2","6","1") = "5"
    & skf18("4","4","1","2","2","7","1") = "6"
    & skf18("4","4","1","2","2","8","1") = "7"
    & skf18("4","4","1","2","2","9","1") = "8"
    & skf18("4","4","1","2","2","10","1") = "9"
    & skf18("4","4","1","2","3","1","1") = "2"
    & skf18("4","4","1","2","3","2","1") = "3"
    & skf18("4","4","1","2","3","3","1") = "3"
    & skf18("4","4","1","2","3","4","1") = "3"
    & skf18("4","4","1","2","3","5","1") = "4"
    & skf18("4","4","1","2","3","6","1") = "5"
    & skf18("4","4","1","2","3","7","1") = "6"
    & skf18("4","4","1","2","3","8","1") = "7"
    & skf18("4","4","1","2","3","9","1") = "8"
    & skf18("4","4","1","2","3","10","1") = "9"
    & skf18("4","4","1","2","4","1","1") = "3"
    & skf18("4","4","1","2","4","2","1") = "3"
    & skf18("4","4","1","2","4","3","1") = "3"
    & skf18("4","4","1","2","4","4","1") = "3"
    & skf18("4","4","1","2","4","5","1") = "4"
    & skf18("4","4","1","2","4","6","1") = "5"
    & skf18("4","4","1","2","4","7","1") = "6"
    & skf18("4","4","1","2","4","8","1") = "7"
    & skf18("4","4","1","2","4","9","1") = "8"
    & skf18("4","4","1","2","4","10","1") = "9"
    & skf18("4","4","1","2","5","1","1") = "4"
    & skf18("4","4","1","2","5","2","1") = "4"
    & skf18("4","4","1","2","5","3","1") = "4"
    & skf18("4","4","1","2","5","4","1") = "4"
    & skf18("4","4","1","2","5","5","1") = "4"
    & skf18("4","4","1","2","5","6","1") = "5"
    & skf18("4","4","1","2","5","7","1") = "6"
    & skf18("4","4","1","2","5","8","1") = "7"
    & skf18("4","4","1","2","5","9","1") = "8"
    & skf18("4","4","1","2","5","10","1") = "9"
    & skf18("4","4","1","2","6","1","1") = "5"
    & skf18("4","4","1","2","6","2","1") = "5"
    & skf18("4","4","1","2","6","3","1") = "5"
    & skf18("4","4","1","2","6","4","1") = "5"
    & skf18("4","4","1","2","6","5","1") = "5"
    & skf18("4","4","1","2","6","6","1") = "5"
    & skf18("4","4","1","2","6","7","1") = "6"
    & skf18("4","4","1","2","6","8","1") = "7"
    & skf18("4","4","1","2","6","9","1") = "8"
    & skf18("4","4","1","2","6","10","1") = "9"
    & skf18("4","4","1","2","7","1","1") = "6"
    & skf18("4","4","1","2","7","2","1") = "6"
    & skf18("4","4","1","2","7","3","1") = "6"
    & skf18("4","4","1","2","7","4","1") = "6"
    & skf18("4","4","1","2","7","5","1") = "6"
    & skf18("4","4","1","2","7","6","1") = "6"
    & skf18("4","4","1","2","7","7","1") = "6"
    & skf18("4","4","1","2","7","8","1") = "7"
    & skf18("4","4","1","2","7","9","1") = "8"
    & skf18("4","4","1","2","7","10","1") = "9"
    & skf18("4","4","1","2","8","1","1") = "7"
    & skf18("4","4","1","2","8","2","1") = "7"
    & skf18("4","4","1","2","8","3","1") = "7"
    & skf18("4","4","1","2","8","4","1") = "7"
    & skf18("4","4","1","2","8","5","1") = "7"
    & skf18("4","4","1","2","8","6","1") = "7"
    & skf18("4","4","1","2","8","7","1") = "7"
    & skf18("4","4","1","2","8","8","1") = "7"
    & skf18("4","4","1","2","8","9","1") = "8"
    & skf18("4","4","1","2","8","10","1") = "9"
    & skf18("4","4","1","2","9","1","1") = "8"
    & skf18("4","4","1","2","9","2","1") = "8"
    & skf18("4","4","1","2","9","3","1") = "8"
    & skf18("4","4","1","2","9","4","1") = "8"
    & skf18("4","4","1","2","9","5","1") = "8"
    & skf18("4","4","1","2","9","6","1") = "8"
    & skf18("4","4","1","2","9","7","1") = "8"
    & skf18("4","4","1","2","9","8","1") = "8"
    & skf18("4","4","1","2","9","9","1") = "8"
    & skf18("4","4","1","2","9","10","1") = "9"
    & skf18("4","4","1","2","10","1","1") = "9"
    & skf18("4","4","1","2","10","2","1") = "9"
    & skf18("4","4","1","2","10","3","1") = "9"
    & skf18("4","4","1","2","10","4","1") = "9"
    & skf18("4","4","1","2","10","5","1") = "9"
    & skf18("4","4","1","2","10","6","1") = "9"
    & skf18("4","4","1","2","10","7","1") = "9"
    & skf18("4","4","1","2","10","8","1") = "9"
    & skf18("4","4","1","2","10","9","1") = "9"
    & skf18("4","4","1","2","10","10","1") = "9"
    & skf18("4","4","1","3","1","1","1") = "3"
    & skf18("4","4","1","3","1","2","1") = "3"
    & skf18("4","4","1","3","1","3","1") = "3"
    & skf18("4","4","1","3","1","4","1") = "3"
    & skf18("4","4","1","3","1","5","1") = "4"
    & skf18("4","4","1","3","1","6","1") = "5"
    & skf18("4","4","1","3","1","7","1") = "6"
    & skf18("4","4","1","3","1","8","1") = "7"
    & skf18("4","4","1","3","1","9","1") = "8"
    & skf18("4","4","1","3","1","10","1") = "9"
    & skf18("4","4","1","3","2","1","1") = "3"
    & skf18("4","4","1","3","2","2","1") = "3"
    & skf18("4","4","1","3","2","3","1") = "3"
    & skf18("4","4","1","3","2","4","1") = "3"
    & skf18("4","4","1","3","2","5","1") = "4"
    & skf18("4","4","1","3","2","6","1") = "5"
    & skf18("4","4","1","3","2","7","1") = "6"
    & skf18("4","4","1","3","2","8","1") = "7"
    & skf18("4","4","1","3","2","9","1") = "8"
    & skf18("4","4","1","3","2","10","1") = "9"
    & skf18("4","4","1","3","3","1","1") = "3"
    & skf18("4","4","1","3","3","2","1") = "3"
    & skf18("4","4","1","3","3","3","1") = "3"
    & skf18("4","4","1","3","3","4","1") = "3"
    & skf18("4","4","1","3","3","5","1") = "4"
    & skf18("4","4","1","3","3","6","1") = "5"
    & skf18("4","4","1","3","3","7","1") = "6"
    & skf18("4","4","1","3","3","8","1") = "7"
    & skf18("4","4","1","3","3","9","1") = "8"
    & skf18("4","4","1","3","3","10","1") = "9"
    & skf18("4","4","1","3","4","1","1") = "3"
    & skf18("4","4","1","3","4","2","1") = "3"
    & skf18("4","4","1","3","4","3","1") = "3"
    & skf18("4","4","1","3","4","4","1") = "3"
    & skf18("4","4","1","3","4","5","1") = "4"
    & skf18("4","4","1","3","4","6","1") = "5"
    & skf18("4","4","1","3","4","7","1") = "6"
    & skf18("4","4","1","3","4","8","1") = "7"
    & skf18("4","4","1","3","4","9","1") = "8"
    & skf18("4","4","1","3","4","10","1") = "9"
    & skf18("4","4","1","3","5","1","1") = "4"
    & skf18("4","4","1","3","5","2","1") = "4"
    & skf18("4","4","1","3","5","3","1") = "4"
    & skf18("4","4","1","3","5","4","1") = "4"
    & skf18("4","4","1","3","5","5","1") = "4"
    & skf18("4","4","1","3","5","6","1") = "5"
    & skf18("4","4","1","3","5","7","1") = "6"
    & skf18("4","4","1","3","5","8","1") = "7"
    & skf18("4","4","1","3","5","9","1") = "8"
    & skf18("4","4","1","3","5","10","1") = "9"
    & skf18("4","4","1","3","6","1","1") = "5"
    & skf18("4","4","1","3","6","2","1") = "5"
    & skf18("4","4","1","3","6","3","1") = "5"
    & skf18("4","4","1","3","6","4","1") = "5"
    & skf18("4","4","1","3","6","5","1") = "5"
    & skf18("4","4","1","3","6","6","1") = "5"
    & skf18("4","4","1","3","6","7","1") = "6"
    & skf18("4","4","1","3","6","8","1") = "7"
    & skf18("4","4","1","3","6","9","1") = "8"
    & skf18("4","4","1","3","6","10","1") = "9"
    & skf18("4","4","1","3","7","1","1") = "6"
    & skf18("4","4","1","3","7","2","1") = "6"
    & skf18("4","4","1","3","7","3","1") = "6"
    & skf18("4","4","1","3","7","4","1") = "6"
    & skf18("4","4","1","3","7","5","1") = "6"
    & skf18("4","4","1","3","7","6","1") = "6"
    & skf18("4","4","1","3","7","7","1") = "6"
    & skf18("4","4","1","3","7","8","1") = "7"
    & skf18("4","4","1","3","7","9","1") = "8"
    & skf18("4","4","1","3","7","10","1") = "9"
    & skf18("4","4","1","3","8","1","1") = "7"
    & skf18("4","4","1","3","8","2","1") = "7"
    & skf18("4","4","1","3","8","3","1") = "7"
    & skf18("4","4","1","3","8","4","1") = "7"
    & skf18("4","4","1","3","8","5","1") = "7"
    & skf18("4","4","1","3","8","6","1") = "7"
    & skf18("4","4","1","3","8","7","1") = "7"
    & skf18("4","4","1","3","8","8","1") = "7"
    & skf18("4","4","1","3","8","9","1") = "8"
    & skf18("4","4","1","3","8","10","1") = "9"
    & skf18("4","4","1","3","9","1","1") = "8"
    & skf18("4","4","1","3","9","2","1") = "8"
    & skf18("4","4","1","3","9","3","1") = "8"
    & skf18("4","4","1","3","9","4","1") = "8"
    & skf18("4","4","1","3","9","5","1") = "8"
    & skf18("4","4","1","3","9","6","1") = "8"
    & skf18("4","4","1","3","9","7","1") = "8"
    & skf18("4","4","1","3","9","8","1") = "8"
    & skf18("4","4","1","3","9","9","1") = "8"
    & skf18("4","4","1","3","9","10","1") = "9"
    & skf18("4","4","1","3","10","1","1") = "9"
    & skf18("4","4","1","3","10","2","1") = "9"
    & skf18("4","4","1","3","10","3","1") = "9"
    & skf18("4","4","1","3","10","4","1") = "9"
    & skf18("4","4","1","3","10","5","1") = "9"
    & skf18("4","4","1","3","10","6","1") = "9"
    & skf18("4","4","1","3","10","7","1") = "9"
    & skf18("4","4","1","3","10","8","1") = "9"
    & skf18("4","4","1","3","10","9","1") = "9"
    & skf18("4","4","1","3","10","10","1") = "9"
    & skf18("4","4","1","4","1","1","1") = "3"
    & skf18("4","4","1","4","1","2","1") = "3"
    & skf18("4","4","1","4","1","3","1") = "3"
    & skf18("4","4","1","4","1","4","1") = "3"
    & skf18("4","4","1","4","1","5","1") = "4"
    & skf18("4","4","1","4","1","6","1") = "5"
    & skf18("4","4","1","4","1","7","1") = "6"
    & skf18("4","4","1","4","1","8","1") = "7"
    & skf18("4","4","1","4","1","9","1") = "8"
    & skf18("4","4","1","4","1","10","1") = "9"
    & skf18("4","4","1","4","2","1","1") = "3"
    & skf18("4","4","1","4","2","2","1") = "3"
    & skf18("4","4","1","4","2","3","1") = "3"
    & skf18("4","4","1","4","2","4","1") = "3"
    & skf18("4","4","1","4","2","5","1") = "4"
    & skf18("4","4","1","4","2","6","1") = "5"
    & skf18("4","4","1","4","2","7","1") = "6"
    & skf18("4","4","1","4","2","8","1") = "7"
    & skf18("4","4","1","4","2","9","1") = "8"
    & skf18("4","4","1","4","2","10","1") = "9"
    & skf18("4","4","1","4","3","1","1") = "3"
    & skf18("4","4","1","4","3","2","1") = "3"
    & skf18("4","4","1","4","3","3","1") = "3"
    & skf18("4","4","1","4","3","4","1") = "3"
    & skf18("4","4","1","4","3","5","1") = "4"
    & skf18("4","4","1","4","3","6","1") = "5"
    & skf18("4","4","1","4","3","7","1") = "6"
    & skf18("4","4","1","4","3","8","1") = "7"
    & skf18("4","4","1","4","3","9","1") = "8"
    & skf18("4","4","1","4","3","10","1") = "9"
    & skf18("4","4","1","4","4","1","1") = "3"
    & skf18("4","4","1","4","4","2","1") = "3"
    & skf18("4","4","1","4","4","3","1") = "3"
    & skf18("4","4","1","4","4","4","1") = "3"
    & skf18("4","4","1","4","4","5","1") = "4"
    & skf18("4","4","1","4","4","6","1") = "5"
    & skf18("4","4","1","4","4","7","1") = "6"
    & skf18("4","4","1","4","4","8","1") = "7"
    & skf18("4","4","1","4","4","9","1") = "8"
    & skf18("4","4","1","4","4","10","1") = "9"
    & skf18("4","4","1","4","5","1","1") = "4"
    & skf18("4","4","1","4","5","2","1") = "4"
    & skf18("4","4","1","4","5","3","1") = "4"
    & skf18("4","4","1","4","5","4","1") = "4"
    & skf18("4","4","1","4","5","5","1") = "4"
    & skf18("4","4","1","4","5","6","1") = "5"
    & skf18("4","4","1","4","5","7","1") = "6"
    & skf18("4","4","1","4","5","8","1") = "7"
    & skf18("4","4","1","4","5","9","1") = "8"
    & skf18("4","4","1","4","5","10","1") = "9"
    & skf18("4","4","1","4","6","1","1") = "5"
    & skf18("4","4","1","4","6","2","1") = "5"
    & skf18("4","4","1","4","6","3","1") = "5"
    & skf18("4","4","1","4","6","4","1") = "5"
    & skf18("4","4","1","4","6","5","1") = "5"
    & skf18("4","4","1","4","6","6","1") = "5"
    & skf18("4","4","1","4","6","7","1") = "6"
    & skf18("4","4","1","4","6","8","1") = "7"
    & skf18("4","4","1","4","6","9","1") = "8"
    & skf18("4","4","1","4","6","10","1") = "9"
    & skf18("4","4","1","4","7","1","1") = "6"
    & skf18("4","4","1","4","7","2","1") = "6"
    & skf18("4","4","1","4","7","3","1") = "6"
    & skf18("4","4","1","4","7","4","1") = "6"
    & skf18("4","4","1","4","7","5","1") = "6"
    & skf18("4","4","1","4","7","6","1") = "6"
    & skf18("4","4","1","4","7","7","1") = "6"
    & skf18("4","4","1","4","7","8","1") = "7"
    & skf18("4","4","1","4","7","9","1") = "8"
    & skf18("4","4","1","4","7","10","1") = "9"
    & skf18("4","4","1","4","8","1","1") = "7"
    & skf18("4","4","1","4","8","2","1") = "7"
    & skf18("4","4","1","4","8","3","1") = "7"
    & skf18("4","4","1","4","8","4","1") = "7"
    & skf18("4","4","1","4","8","5","1") = "7"
    & skf18("4","4","1","4","8","6","1") = "7"
    & skf18("4","4","1","4","8","7","1") = "7"
    & skf18("4","4","1","4","8","8","1") = "7"
    & skf18("4","4","1","4","8","9","1") = "8"
    & skf18("4","4","1","4","8","10","1") = "9"
    & skf18("4","4","1","4","9","1","1") = "8"
    & skf18("4","4","1","4","9","2","1") = "8"
    & skf18("4","4","1","4","9","3","1") = "8"
    & skf18("4","4","1","4","9","4","1") = "8"
    & skf18("4","4","1","4","9","5","1") = "8"
    & skf18("4","4","1","4","9","6","1") = "8"
    & skf18("4","4","1","4","9","7","1") = "8"
    & skf18("4","4","1","4","9","8","1") = "8"
    & skf18("4","4","1","4","9","9","1") = "8"
    & skf18("4","4","1","4","9","10","1") = "9"
    & skf18("4","4","1","4","10","1","1") = "9"
    & skf18("4","4","1","4","10","2","1") = "9"
    & skf18("4","4","1","4","10","3","1") = "9"
    & skf18("4","4","1","4","10","4","1") = "9"
    & skf18("4","4","1","4","10","5","1") = "9"
    & skf18("4","4","1","4","10","6","1") = "9"
    & skf18("4","4","1","4","10","7","1") = "9"
    & skf18("4","4","1","4","10","8","1") = "9"
    & skf18("4","4","1","4","10","9","1") = "9"
    & skf18("4","4","1","4","10","10","1") = "9"
    & skf18("4","4","1","5","1","1","1") = "4"
    & skf18("4","4","1","5","1","2","1") = "4"
    & skf18("4","4","1","5","1","3","1") = "4"
    & skf18("4","4","1","5","1","4","1") = "4"
    & skf18("4","4","1","5","1","5","1") = "4"
    & skf18("4","4","1","5","1","6","1") = "5"
    & skf18("4","4","1","5","1","7","1") = "6"
    & skf18("4","4","1","5","1","8","1") = "7"
    & skf18("4","4","1","5","1","9","1") = "8"
    & skf18("4","4","1","5","1","10","1") = "9"
    & skf18("4","4","1","5","2","1","1") = "4"
    & skf18("4","4","1","5","2","2","1") = "4"
    & skf18("4","4","1","5","2","3","1") = "4"
    & skf18("4","4","1","5","2","4","1") = "4"
    & skf18("4","4","1","5","2","5","1") = "4"
    & skf18("4","4","1","5","2","6","1") = "5"
    & skf18("4","4","1","5","2","7","1") = "6"
    & skf18("4","4","1","5","2","8","1") = "7"
    & skf18("4","4","1","5","2","9","1") = "8"
    & skf18("4","4","1","5","2","10","1") = "9"
    & skf18("4","4","1","5","3","1","1") = "4"
    & skf18("4","4","1","5","3","2","1") = "4"
    & skf18("4","4","1","5","3","3","1") = "4"
    & skf18("4","4","1","5","3","4","1") = "4"
    & skf18("4","4","1","5","3","5","1") = "4"
    & skf18("4","4","1","5","3","6","1") = "5"
    & skf18("4","4","1","5","3","7","1") = "6"
    & skf18("4","4","1","5","3","8","1") = "7"
    & skf18("4","4","1","5","3","9","1") = "8"
    & skf18("4","4","1","5","3","10","1") = "9"
    & skf18("4","4","1","5","4","1","1") = "4"
    & skf18("4","4","1","5","4","2","1") = "4"
    & skf18("4","4","1","5","4","3","1") = "4"
    & skf18("4","4","1","5","4","4","1") = "4"
    & skf18("4","4","1","5","4","5","1") = "4"
    & skf18("4","4","1","5","4","6","1") = "5"
    & skf18("4","4","1","5","4","7","1") = "6"
    & skf18("4","4","1","5","4","8","1") = "7"
    & skf18("4","4","1","5","4","9","1") = "8"
    & skf18("4","4","1","5","4","10","1") = "9"
    & skf18("4","4","1","5","5","1","1") = "4"
    & skf18("4","4","1","5","5","2","1") = "4"
    & skf18("4","4","1","5","5","3","1") = "4"
    & skf18("4","4","1","5","5","4","1") = "4"
    & skf18("4","4","1","5","5","5","1") = "4"
    & skf18("4","4","1","5","5","6","1") = "5"
    & skf18("4","4","1","5","5","7","1") = "6"
    & skf18("4","4","1","5","5","8","1") = "7"
    & skf18("4","4","1","5","5","9","1") = "8"
    & skf18("4","4","1","5","5","10","1") = "9"
    & skf18("4","4","1","5","6","1","1") = "5"
    & skf18("4","4","1","5","6","2","1") = "5"
    & skf18("4","4","1","5","6","3","1") = "5"
    & skf18("4","4","1","5","6","4","1") = "5"
    & skf18("4","4","1","5","6","5","1") = "5"
    & skf18("4","4","1","5","6","6","1") = "5"
    & skf18("4","4","1","5","6","7","1") = "6"
    & skf18("4","4","1","5","6","8","1") = "7"
    & skf18("4","4","1","5","6","9","1") = "8"
    & skf18("4","4","1","5","6","10","1") = "9"
    & skf18("4","4","1","5","7","1","1") = "6"
    & skf18("4","4","1","5","7","2","1") = "6"
    & skf18("4","4","1","5","7","3","1") = "6"
    & skf18("4","4","1","5","7","4","1") = "6"
    & skf18("4","4","1","5","7","5","1") = "6"
    & skf18("4","4","1","5","7","6","1") = "6"
    & skf18("4","4","1","5","7","7","1") = "6"
    & skf18("4","4","1","5","7","8","1") = "7"
    & skf18("4","4","1","5","7","9","1") = "8"
    & skf18("4","4","1","5","7","10","1") = "9"
    & skf18("4","4","1","5","8","1","1") = "7"
    & skf18("4","4","1","5","8","2","1") = "7"
    & skf18("4","4","1","5","8","3","1") = "7"
    & skf18("4","4","1","5","8","4","1") = "7"
    & skf18("4","4","1","5","8","5","1") = "7"
    & skf18("4","4","1","5","8","6","1") = "7"
    & skf18("4","4","1","5","8","7","1") = "7"
    & skf18("4","4","1","5","8","8","1") = "7"
    & skf18("4","4","1","5","8","9","1") = "8"
    & skf18("4","4","1","5","8","10","1") = "9"
    & skf18("4","4","1","5","9","1","1") = "8"
    & skf18("4","4","1","5","9","2","1") = "8"
    & skf18("4","4","1","5","9","3","1") = "8"
    & skf18("4","4","1","5","9","4","1") = "8"
    & skf18("4","4","1","5","9","5","1") = "8"
    & skf18("4","4","1","5","9","6","1") = "8"
    & skf18("4","4","1","5","9","7","1") = "8"
    & skf18("4","4","1","5","9","8","1") = "8"
    & skf18("4","4","1","5","9","9","1") = "8"
    & skf18("4","4","1","5","9","10","1") = "9"
    & skf18("4","4","1","5","10","1","1") = "9"
    & skf18("4","4","1","5","10","2","1") = "9"
    & skf18("4","4","1","5","10","3","1") = "9"
    & skf18("4","4","1","5","10","4","1") = "9"
    & skf18("4","4","1","5","10","5","1") = "9"
    & skf18("4","4","1","5","10","6","1") = "9"
    & skf18("4","4","1","5","10","7","1") = "9"
    & skf18("4","4","1","5","10","8","1") = "9"
    & skf18("4","4","1","5","10","9","1") = "9"
    & skf18("4","4","1","5","10","10","1") = "9"
    & skf18("4","4","1","6","1","1","1") = "5"
    & skf18("4","4","1","6","1","2","1") = "5"
    & skf18("4","4","1","6","1","3","1") = "5"
    & skf18("4","4","1","6","1","4","1") = "5"
    & skf18("4","4","1","6","1","5","1") = "5"
    & skf18("4","4","1","6","1","6","1") = "5"
    & skf18("4","4","1","6","1","7","1") = "6"
    & skf18("4","4","1","6","1","8","1") = "7"
    & skf18("4","4","1","6","1","9","1") = "8"
    & skf18("4","4","1","6","1","10","1") = "9"
    & skf18("4","4","1","6","2","1","1") = "5"
    & skf18("4","4","1","6","2","2","1") = "5"
    & skf18("4","4","1","6","2","3","1") = "5"
    & skf18("4","4","1","6","2","4","1") = "5"
    & skf18("4","4","1","6","2","5","1") = "5"
    & skf18("4","4","1","6","2","6","1") = "5"
    & skf18("4","4","1","6","2","7","1") = "6"
    & skf18("4","4","1","6","2","8","1") = "7"
    & skf18("4","4","1","6","2","9","1") = "8"
    & skf18("4","4","1","6","2","10","1") = "9"
    & skf18("4","4","1","6","3","1","1") = "5"
    & skf18("4","4","1","6","3","2","1") = "5"
    & skf18("4","4","1","6","3","3","1") = "5"
    & skf18("4","4","1","6","3","4","1") = "5"
    & skf18("4","4","1","6","3","5","1") = "5"
    & skf18("4","4","1","6","3","6","1") = "5"
    & skf18("4","4","1","6","3","7","1") = "6"
    & skf18("4","4","1","6","3","8","1") = "7"
    & skf18("4","4","1","6","3","9","1") = "8"
    & skf18("4","4","1","6","3","10","1") = "9"
    & skf18("4","4","1","6","4","1","1") = "5"
    & skf18("4","4","1","6","4","2","1") = "5"
    & skf18("4","4","1","6","4","3","1") = "5"
    & skf18("4","4","1","6","4","4","1") = "5"
    & skf18("4","4","1","6","4","5","1") = "5"
    & skf18("4","4","1","6","4","6","1") = "5"
    & skf18("4","4","1","6","4","7","1") = "6"
    & skf18("4","4","1","6","4","8","1") = "7"
    & skf18("4","4","1","6","4","9","1") = "8"
    & skf18("4","4","1","6","4","10","1") = "9"
    & skf18("4","4","1","6","5","1","1") = "5"
    & skf18("4","4","1","6","5","2","1") = "5"
    & skf18("4","4","1","6","5","3","1") = "5"
    & skf18("4","4","1","6","5","4","1") = "5"
    & skf18("4","4","1","6","5","5","1") = "5"
    & skf18("4","4","1","6","5","6","1") = "5"
    & skf18("4","4","1","6","5","7","1") = "6"
    & skf18("4","4","1","6","5","8","1") = "7"
    & skf18("4","4","1","6","5","9","1") = "8"
    & skf18("4","4","1","6","5","10","1") = "9"
    & skf18("4","4","1","6","6","1","1") = "5"
    & skf18("4","4","1","6","6","2","1") = "5"
    & skf18("4","4","1","6","6","3","1") = "5"
    & skf18("4","4","1","6","6","4","1") = "5"
    & skf18("4","4","1","6","6","5","1") = "5"
    & skf18("4","4","1","6","6","6","1") = "5"
    & skf18("4","4","1","6","6","7","1") = "6"
    & skf18("4","4","1","6","6","8","1") = "7"
    & skf18("4","4","1","6","6","9","1") = "8"
    & skf18("4","4","1","6","6","10","1") = "9"
    & skf18("4","4","1","6","7","1","1") = "6"
    & skf18("4","4","1","6","7","2","1") = "6"
    & skf18("4","4","1","6","7","3","1") = "6"
    & skf18("4","4","1","6","7","4","1") = "6"
    & skf18("4","4","1","6","7","5","1") = "6"
    & skf18("4","4","1","6","7","6","1") = "6"
    & skf18("4","4","1","6","7","7","1") = "6"
    & skf18("4","4","1","6","7","8","1") = "7"
    & skf18("4","4","1","6","7","9","1") = "8"
    & skf18("4","4","1","6","7","10","1") = "9"
    & skf18("4","4","1","6","8","1","1") = "7"
    & skf18("4","4","1","6","8","2","1") = "7"
    & skf18("4","4","1","6","8","3","1") = "7"
    & skf18("4","4","1","6","8","4","1") = "7"
    & skf18("4","4","1","6","8","5","1") = "7"
    & skf18("4","4","1","6","8","6","1") = "7"
    & skf18("4","4","1","6","8","7","1") = "7"
    & skf18("4","4","1","6","8","8","1") = "7"
    & skf18("4","4","1","6","8","9","1") = "8"
    & skf18("4","4","1","6","8","10","1") = "9"
    & skf18("4","4","1","6","9","1","1") = "8"
    & skf18("4","4","1","6","9","2","1") = "8"
    & skf18("4","4","1","6","9","3","1") = "8"
    & skf18("4","4","1","6","9","4","1") = "8"
    & skf18("4","4","1","6","9","5","1") = "8"
    & skf18("4","4","1","6","9","6","1") = "8"
    & skf18("4","4","1","6","9","7","1") = "8"
    & skf18("4","4","1","6","9","8","1") = "8"
    & skf18("4","4","1","6","9","9","1") = "8"
    & skf18("4","4","1","6","9","10","1") = "9"
    & skf18("4","4","1","6","10","1","1") = "9"
    & skf18("4","4","1","6","10","2","1") = "9"
    & skf18("4","4","1","6","10","3","1") = "9"
    & skf18("4","4","1","6","10","4","1") = "9"
    & skf18("4","4","1","6","10","5","1") = "9"
    & skf18("4","4","1","6","10","6","1") = "9"
    & skf18("4","4","1","6","10","7","1") = "9"
    & skf18("4","4","1","6","10","8","1") = "9"
    & skf18("4","4","1","6","10","9","1") = "9"
    & skf18("4","4","1","6","10","10","1") = "9"
    & skf18("4","4","1","7","1","1","1") = "6"
    & skf18("4","4","1","7","1","2","1") = "6"
    & skf18("4","4","1","7","1","3","1") = "6"
    & skf18("4","4","1","7","1","4","1") = "6"
    & skf18("4","4","1","7","1","5","1") = "6"
    & skf18("4","4","1","7","1","6","1") = "6"
    & skf18("4","4","1","7","1","7","1") = "6"
    & skf18("4","4","1","7","1","8","1") = "7"
    & skf18("4","4","1","7","1","9","1") = "8"
    & skf18("4","4","1","7","1","10","1") = "9"
    & skf18("4","4","1","7","2","1","1") = "6"
    & skf18("4","4","1","7","2","2","1") = "6"
    & skf18("4","4","1","7","2","3","1") = "6"
    & skf18("4","4","1","7","2","4","1") = "6"
    & skf18("4","4","1","7","2","5","1") = "6"
    & skf18("4","4","1","7","2","6","1") = "6"
    & skf18("4","4","1","7","2","7","1") = "6"
    & skf18("4","4","1","7","2","8","1") = "7"
    & skf18("4","4","1","7","2","9","1") = "8"
    & skf18("4","4","1","7","2","10","1") = "9"
    & skf18("4","4","1","7","3","1","1") = "6"
    & skf18("4","4","1","7","3","2","1") = "6"
    & skf18("4","4","1","7","3","3","1") = "6"
    & skf18("4","4","1","7","3","4","1") = "6"
    & skf18("4","4","1","7","3","5","1") = "6"
    & skf18("4","4","1","7","3","6","1") = "6"
    & skf18("4","4","1","7","3","7","1") = "6"
    & skf18("4","4","1","7","3","8","1") = "7"
    & skf18("4","4","1","7","3","9","1") = "8"
    & skf18("4","4","1","7","3","10","1") = "9"
    & skf18("4","4","1","7","4","1","1") = "6"
    & skf18("4","4","1","7","4","2","1") = "6"
    & skf18("4","4","1","7","4","3","1") = "6"
    & skf18("4","4","1","7","4","4","1") = "6"
    & skf18("4","4","1","7","4","5","1") = "6"
    & skf18("4","4","1","7","4","6","1") = "6"
    & skf18("4","4","1","7","4","7","1") = "6"
    & skf18("4","4","1","7","4","8","1") = "7"
    & skf18("4","4","1","7","4","9","1") = "8"
    & skf18("4","4","1","7","4","10","1") = "9"
    & skf18("4","4","1","7","5","1","1") = "6"
    & skf18("4","4","1","7","5","2","1") = "6"
    & skf18("4","4","1","7","5","3","1") = "6"
    & skf18("4","4","1","7","5","4","1") = "6"
    & skf18("4","4","1","7","5","5","1") = "6"
    & skf18("4","4","1","7","5","6","1") = "6"
    & skf18("4","4","1","7","5","7","1") = "6"
    & skf18("4","4","1","7","5","8","1") = "7"
    & skf18("4","4","1","7","5","9","1") = "8"
    & skf18("4","4","1","7","5","10","1") = "9"
    & skf18("4","4","1","7","6","1","1") = "6"
    & skf18("4","4","1","7","6","2","1") = "6"
    & skf18("4","4","1","7","6","3","1") = "6"
    & skf18("4","4","1","7","6","4","1") = "6"
    & skf18("4","4","1","7","6","5","1") = "6"
    & skf18("4","4","1","7","6","6","1") = "6"
    & skf18("4","4","1","7","6","7","1") = "6"
    & skf18("4","4","1","7","6","8","1") = "7"
    & skf18("4","4","1","7","6","9","1") = "8"
    & skf18("4","4","1","7","6","10","1") = "9"
    & skf18("4","4","1","7","7","1","1") = "6"
    & skf18("4","4","1","7","7","2","1") = "6"
    & skf18("4","4","1","7","7","3","1") = "6"
    & skf18("4","4","1","7","7","4","1") = "6"
    & skf18("4","4","1","7","7","5","1") = "6"
    & skf18("4","4","1","7","7","6","1") = "6"
    & skf18("4","4","1","7","7","7","1") = "6"
    & skf18("4","4","1","7","7","8","1") = "7"
    & skf18("4","4","1","7","7","9","1") = "8"
    & skf18("4","4","1","7","7","10","1") = "9"
    & skf18("4","4","1","7","8","1","1") = "7"
    & skf18("4","4","1","7","8","2","1") = "7"
    & skf18("4","4","1","7","8","3","1") = "7"
    & skf18("4","4","1","7","8","4","1") = "7"
    & skf18("4","4","1","7","8","5","1") = "7"
    & skf18("4","4","1","7","8","6","1") = "7"
    & skf18("4","4","1","7","8","7","1") = "7"
    & skf18("4","4","1","7","8","8","1") = "7"
    & skf18("4","4","1","7","8","9","1") = "8"
    & skf18("4","4","1","7","8","10","1") = "9"
    & skf18("4","4","1","7","9","1","1") = "8"
    & skf18("4","4","1","7","9","2","1") = "8"
    & skf18("4","4","1","7","9","3","1") = "8"
    & skf18("4","4","1","7","9","4","1") = "8"
    & skf18("4","4","1","7","9","5","1") = "8"
    & skf18("4","4","1","7","9","6","1") = "8"
    & skf18("4","4","1","7","9","7","1") = "8"
    & skf18("4","4","1","7","9","8","1") = "8"
    & skf18("4","4","1","7","9","9","1") = "8"
    & skf18("4","4","1","7","9","10","1") = "9"
    & skf18("4","4","1","7","10","1","1") = "9"
    & skf18("4","4","1","7","10","2","1") = "9"
    & skf18("4","4","1","7","10","3","1") = "9"
    & skf18("4","4","1","7","10","4","1") = "9"
    & skf18("4","4","1","7","10","5","1") = "9"
    & skf18("4","4","1","7","10","6","1") = "9"
    & skf18("4","4","1","7","10","7","1") = "9"
    & skf18("4","4","1","7","10","8","1") = "9"
    & skf18("4","4","1","7","10","9","1") = "9"
    & skf18("4","4","1","7","10","10","1") = "9"
    & skf18("4","4","1","8","1","1","1") = "7"
    & skf18("4","4","1","8","1","2","1") = "7"
    & skf18("4","4","1","8","1","3","1") = "7"
    & skf18("4","4","1","8","1","4","1") = "7"
    & skf18("4","4","1","8","1","5","1") = "7"
    & skf18("4","4","1","8","1","6","1") = "7"
    & skf18("4","4","1","8","1","7","1") = "7"
    & skf18("4","4","1","8","1","8","1") = "7"
    & skf18("4","4","1","8","1","9","1") = "8"
    & skf18("4","4","1","8","1","10","1") = "9"
    & skf18("4","4","1","8","2","1","1") = "7"
    & skf18("4","4","1","8","2","2","1") = "7"
    & skf18("4","4","1","8","2","3","1") = "7"
    & skf18("4","4","1","8","2","4","1") = "7"
    & skf18("4","4","1","8","2","5","1") = "7"
    & skf18("4","4","1","8","2","6","1") = "7"
    & skf18("4","4","1","8","2","7","1") = "7"
    & skf18("4","4","1","8","2","8","1") = "7"
    & skf18("4","4","1","8","2","9","1") = "8"
    & skf18("4","4","1","8","2","10","1") = "9"
    & skf18("4","4","1","8","3","1","1") = "7"
    & skf18("4","4","1","8","3","2","1") = "7"
    & skf18("4","4","1","8","3","3","1") = "7"
    & skf18("4","4","1","8","3","4","1") = "7"
    & skf18("4","4","1","8","3","5","1") = "7"
    & skf18("4","4","1","8","3","6","1") = "7"
    & skf18("4","4","1","8","3","7","1") = "7"
    & skf18("4","4","1","8","3","8","1") = "7"
    & skf18("4","4","1","8","3","9","1") = "8"
    & skf18("4","4","1","8","3","10","1") = "9"
    & skf18("4","4","1","8","4","1","1") = "7"
    & skf18("4","4","1","8","4","2","1") = "7"
    & skf18("4","4","1","8","4","3","1") = "7"
    & skf18("4","4","1","8","4","4","1") = "7"
    & skf18("4","4","1","8","4","5","1") = "7"
    & skf18("4","4","1","8","4","6","1") = "7"
    & skf18("4","4","1","8","4","7","1") = "7"
    & skf18("4","4","1","8","4","8","1") = "7"
    & skf18("4","4","1","8","4","9","1") = "8"
    & skf18("4","4","1","8","4","10","1") = "9"
    & skf18("4","4","1","8","5","1","1") = "7"
    & skf18("4","4","1","8","5","2","1") = "7"
    & skf18("4","4","1","8","5","3","1") = "7"
    & skf18("4","4","1","8","5","4","1") = "7"
    & skf18("4","4","1","8","5","5","1") = "7"
    & skf18("4","4","1","8","5","6","1") = "7"
    & skf18("4","4","1","8","5","7","1") = "7"
    & skf18("4","4","1","8","5","8","1") = "7"
    & skf18("4","4","1","8","5","9","1") = "8"
    & skf18("4","4","1","8","5","10","1") = "9"
    & skf18("4","4","1","8","6","1","1") = "7"
    & skf18("4","4","1","8","6","2","1") = "7"
    & skf18("4","4","1","8","6","3","1") = "7"
    & skf18("4","4","1","8","6","4","1") = "7"
    & skf18("4","4","1","8","6","5","1") = "7"
    & skf18("4","4","1","8","6","6","1") = "7"
    & skf18("4","4","1","8","6","7","1") = "7"
    & skf18("4","4","1","8","6","8","1") = "7"
    & skf18("4","4","1","8","6","9","1") = "8"
    & skf18("4","4","1","8","6","10","1") = "9"
    & skf18("4","4","1","8","7","1","1") = "7"
    & skf18("4","4","1","8","7","2","1") = "7"
    & skf18("4","4","1","8","7","3","1") = "7"
    & skf18("4","4","1","8","7","4","1") = "7"
    & skf18("4","4","1","8","7","5","1") = "7"
    & skf18("4","4","1","8","7","6","1") = "7"
    & skf18("4","4","1","8","7","7","1") = "7"
    & skf18("4","4","1","8","7","8","1") = "7"
    & skf18("4","4","1","8","7","9","1") = "8"
    & skf18("4","4","1","8","7","10","1") = "9"
    & skf18("4","4","1","8","8","1","1") = "7"
    & skf18("4","4","1","8","8","2","1") = "7"
    & skf18("4","4","1","8","8","3","1") = "7"
    & skf18("4","4","1","8","8","4","1") = "7"
    & skf18("4","4","1","8","8","5","1") = "7"
    & skf18("4","4","1","8","8","6","1") = "7"
    & skf18("4","4","1","8","8","7","1") = "7"
    & skf18("4","4","1","8","8","8","1") = "7"
    & skf18("4","4","1","8","8","9","1") = "8"
    & skf18("4","4","1","8","8","10","1") = "9"
    & skf18("4","4","1","8","9","1","1") = "8"
    & skf18("4","4","1","8","9","2","1") = "8"
    & skf18("4","4","1","8","9","3","1") = "8"
    & skf18("4","4","1","8","9","4","1") = "8"
    & skf18("4","4","1","8","9","5","1") = "8"
    & skf18("4","4","1","8","9","6","1") = "8"
    & skf18("4","4","1","8","9","7","1") = "8"
    & skf18("4","4","1","8","9","8","1") = "8"
    & skf18("4","4","1","8","9","9","1") = "8"
    & skf18("4","4","1","8","9","10","1") = "9"
    & skf18("4","4","1","8","10","1","1") = "9"
    & skf18("4","4","1","8","10","2","1") = "9"
    & skf18("4","4","1","8","10","3","1") = "9"
    & skf18("4","4","1","8","10","4","1") = "9"
    & skf18("4","4","1","8","10","5","1") = "9"
    & skf18("4","4","1","8","10","6","1") = "9"
    & skf18("4","4","1","8","10","7","1") = "9"
    & skf18("4","4","1","8","10","8","1") = "9"
    & skf18("4","4","1","8","10","9","1") = "9"
    & skf18("4","4","1","8","10","10","1") = "9"
    & skf18("4","4","1","9","1","1","1") = "8"
    & skf18("4","4","1","9","1","2","1") = "8"
    & skf18("4","4","1","9","1","3","1") = "8"
    & skf18("4","4","1","9","1","4","1") = "8"
    & skf18("4","4","1","9","1","5","1") = "8"
    & skf18("4","4","1","9","1","6","1") = "8"
    & skf18("4","4","1","9","1","7","1") = "8"
    & skf18("4","4","1","9","1","8","1") = "8"
    & skf18("4","4","1","9","1","9","1") = "8"
    & skf18("4","4","1","9","1","10","1") = "9"
    & skf18("4","4","1","9","2","1","1") = "8"
    & skf18("4","4","1","9","2","2","1") = "8"
    & skf18("4","4","1","9","2","3","1") = "8"
    & skf18("4","4","1","9","2","4","1") = "8"
    & skf18("4","4","1","9","2","5","1") = "8"
    & skf18("4","4","1","9","2","6","1") = "8"
    & skf18("4","4","1","9","2","7","1") = "8"
    & skf18("4","4","1","9","2","8","1") = "8"
    & skf18("4","4","1","9","2","9","1") = "8"
    & skf18("4","4","1","9","2","10","1") = "9"
    & skf18("4","4","1","9","3","1","1") = "8"
    & skf18("4","4","1","9","3","2","1") = "8"
    & skf18("4","4","1","9","3","3","1") = "8"
    & skf18("4","4","1","9","3","4","1") = "8"
    & skf18("4","4","1","9","3","5","1") = "8"
    & skf18("4","4","1","9","3","6","1") = "8"
    & skf18("4","4","1","9","3","7","1") = "8"
    & skf18("4","4","1","9","3","8","1") = "8"
    & skf18("4","4","1","9","3","9","1") = "8"
    & skf18("4","4","1","9","3","10","1") = "9"
    & skf18("4","4","1","9","4","1","1") = "8"
    & skf18("4","4","1","9","4","2","1") = "8"
    & skf18("4","4","1","9","4","3","1") = "8"
    & skf18("4","4","1","9","4","4","1") = "8"
    & skf18("4","4","1","9","4","5","1") = "8"
    & skf18("4","4","1","9","4","6","1") = "8"
    & skf18("4","4","1","9","4","7","1") = "8"
    & skf18("4","4","1","9","4","8","1") = "8"
    & skf18("4","4","1","9","4","9","1") = "8"
    & skf18("4","4","1","9","4","10","1") = "9"
    & skf18("4","4","1","9","5","1","1") = "8"
    & skf18("4","4","1","9","5","2","1") = "8"
    & skf18("4","4","1","9","5","3","1") = "8"
    & skf18("4","4","1","9","5","4","1") = "8"
    & skf18("4","4","1","9","5","5","1") = "8"
    & skf18("4","4","1","9","5","6","1") = "8"
    & skf18("4","4","1","9","5","7","1") = "8"
    & skf18("4","4","1","9","5","8","1") = "8"
    & skf18("4","4","1","9","5","9","1") = "8"
    & skf18("4","4","1","9","5","10","1") = "9"
    & skf18("4","4","1","9","6","1","1") = "8"
    & skf18("4","4","1","9","6","2","1") = "8"
    & skf18("4","4","1","9","6","3","1") = "8"
    & skf18("4","4","1","9","6","4","1") = "8"
    & skf18("4","4","1","9","6","5","1") = "8"
    & skf18("4","4","1","9","6","6","1") = "8"
    & skf18("4","4","1","9","6","7","1") = "8"
    & skf18("4","4","1","9","6","8","1") = "8"
    & skf18("4","4","1","9","6","9","1") = "8"
    & skf18("4","4","1","9","6","10","1") = "9"
    & skf18("4","4","1","9","7","1","1") = "8"
    & skf18("4","4","1","9","7","2","1") = "8"
    & skf18("4","4","1","9","7","3","1") = "8"
    & skf18("4","4","1","9","7","4","1") = "8"
    & skf18("4","4","1","9","7","5","1") = "8"
    & skf18("4","4","1","9","7","6","1") = "8"
    & skf18("4","4","1","9","7","7","1") = "8"
    & skf18("4","4","1","9","7","8","1") = "8"
    & skf18("4","4","1","9","7","9","1") = "8"
    & skf18("4","4","1","9","7","10","1") = "9"
    & skf18("4","4","1","9","8","1","1") = "8"
    & skf18("4","4","1","9","8","2","1") = "8"
    & skf18("4","4","1","9","8","3","1") = "8"
    & skf18("4","4","1","9","8","4","1") = "8"
    & skf18("4","4","1","9","8","5","1") = "8"
    & skf18("4","4","1","9","8","6","1") = "8"
    & skf18("4","4","1","9","8","7","1") = "8"
    & skf18("4","4","1","9","8","8","1") = "8"
    & skf18("4","4","1","9","8","9","1") = "8"
    & skf18("4","4","1","9","8","10","1") = "9"
    & skf18("4","4","1","9","9","1","1") = "8"
    & skf18("4","4","1","9","9","2","1") = "8"
    & skf18("4","4","1","9","9","3","1") = "8"
    & skf18("4","4","1","9","9","4","1") = "8"
    & skf18("4","4","1","9","9","5","1") = "8"
    & skf18("4","4","1","9","9","6","1") = "8"
    & skf18("4","4","1","9","9","7","1") = "8"
    & skf18("4","4","1","9","9","8","1") = "8"
    & skf18("4","4","1","9","9","9","1") = "8"
    & skf18("4","4","1","9","9","10","1") = "9"
    & skf18("4","4","1","9","10","1","1") = "9"
    & skf18("4","4","1","9","10","2","1") = "9"
    & skf18("4","4","1","9","10","3","1") = "9"
    & skf18("4","4","1","9","10","4","1") = "9"
    & skf18("4","4","1","9","10","5","1") = "9"
    & skf18("4","4","1","9","10","6","1") = "9"
    & skf18("4","4","1","9","10","7","1") = "9"
    & skf18("4","4","1","9","10","8","1") = "9"
    & skf18("4","4","1","9","10","9","1") = "9"
    & skf18("4","4","1","9","10","10","1") = "9"
    & skf18("4","4","1","10","1","1","1") = "9"
    & skf18("4","4","1","10","1","2","1") = "9"
    & skf18("4","4","1","10","1","3","1") = "9"
    & skf18("4","4","1","10","1","4","1") = "9"
    & skf18("4","4","1","10","1","5","1") = "9"
    & skf18("4","4","1","10","1","6","1") = "9"
    & skf18("4","4","1","10","1","7","1") = "9"
    & skf18("4","4","1","10","1","8","1") = "9"
    & skf18("4","4","1","10","1","9","1") = "9"
    & skf18("4","4","1","10","1","10","1") = "9"
    & skf18("4","4","1","10","2","1","1") = "9"
    & skf18("4","4","1","10","2","2","1") = "9"
    & skf18("4","4","1","10","2","3","1") = "9"
    & skf18("4","4","1","10","2","4","1") = "9"
    & skf18("4","4","1","10","2","5","1") = "9"
    & skf18("4","4","1","10","2","6","1") = "9"
    & skf18("4","4","1","10","2","7","1") = "9"
    & skf18("4","4","1","10","2","8","1") = "9"
    & skf18("4","4","1","10","2","9","1") = "9"
    & skf18("4","4","1","10","2","10","1") = "9"
    & skf18("4","4","1","10","3","1","1") = "9"
    & skf18("4","4","1","10","3","2","1") = "9"
    & skf18("4","4","1","10","3","3","1") = "9"
    & skf18("4","4","1","10","3","4","1") = "9"
    & skf18("4","4","1","10","3","5","1") = "9"
    & skf18("4","4","1","10","3","6","1") = "9"
    & skf18("4","4","1","10","3","7","1") = "9"
    & skf18("4","4","1","10","3","8","1") = "9"
    & skf18("4","4","1","10","3","9","1") = "9"
    & skf18("4","4","1","10","3","10","1") = "9"
    & skf18("4","4","1","10","4","1","1") = "9"
    & skf18("4","4","1","10","4","2","1") = "9"
    & skf18("4","4","1","10","4","3","1") = "9"
    & skf18("4","4","1","10","4","4","1") = "9"
    & skf18("4","4","1","10","4","5","1") = "9"
    & skf18("4","4","1","10","4","6","1") = "9"
    & skf18("4","4","1","10","4","7","1") = "9"
    & skf18("4","4","1","10","4","8","1") = "9"
    & skf18("4","4","1","10","4","9","1") = "9"
    & skf18("4","4","1","10","4","10","1") = "9"
    & skf18("4","4","1","10","5","1","1") = "9"
    & skf18("4","4","1","10","5","2","1") = "9"
    & skf18("4","4","1","10","5","3","1") = "9"
    & skf18("4","4","1","10","5","4","1") = "9"
    & skf18("4","4","1","10","5","5","1") = "9"
    & skf18("4","4","1","10","5","6","1") = "9"
    & skf18("4","4","1","10","5","7","1") = "9"
    & skf18("4","4","1","10","5","8","1") = "9"
    & skf18("4","4","1","10","5","9","1") = "9"
    & skf18("4","4","1","10","5","10","1") = "9"
    & skf18("4","4","1","10","6","1","1") = "9"
    & skf18("4","4","1","10","6","2","1") = "9"
    & skf18("4","4","1","10","6","3","1") = "9"
    & skf18("4","4","1","10","6","4","1") = "9"
    & skf18("4","4","1","10","6","5","1") = "9"
    & skf18("4","4","1","10","6","6","1") = "9"
    & skf18("4","4","1","10","6","7","1") = "9"
    & skf18("4","4","1","10","6","8","1") = "9"
    & skf18("4","4","1","10","6","9","1") = "9"
    & skf18("4","4","1","10","6","10","1") = "9"
    & skf18("4","4","1","10","7","1","1") = "9"
    & skf18("4","4","1","10","7","2","1") = "9"
    & skf18("4","4","1","10","7","3","1") = "9"
    & skf18("4","4","1","10","7","4","1") = "9"
    & skf18("4","4","1","10","7","5","1") = "9"
    & skf18("4","4","1","10","7","6","1") = "9"
    & skf18("4","4","1","10","7","7","1") = "9"
    & skf18("4","4","1","10","7","8","1") = "9"
    & skf18("4","4","1","10","7","9","1") = "9"
    & skf18("4","4","1","10","7","10","1") = "9"
    & skf18("4","4","1","10","8","1","1") = "9"
    & skf18("4","4","1","10","8","2","1") = "9"
    & skf18("4","4","1","10","8","3","1") = "9"
    & skf18("4","4","1","10","8","4","1") = "9"
    & skf18("4","4","1","10","8","5","1") = "9"
    & skf18("4","4","1","10","8","6","1") = "9"
    & skf18("4","4","1","10","8","7","1") = "9"
    & skf18("4","4","1","10","8","8","1") = "9"
    & skf18("4","4","1","10","8","9","1") = "9"
    & skf18("4","4","1","10","8","10","1") = "9"
    & skf18("4","4","1","10","9","1","1") = "9"
    & skf18("4","4","1","10","9","2","1") = "9"
    & skf18("4","4","1","10","9","3","1") = "9"
    & skf18("4","4","1","10","9","4","1") = "9"
    & skf18("4","4","1","10","9","5","1") = "9"
    & skf18("4","4","1","10","9","6","1") = "9"
    & skf18("4","4","1","10","9","7","1") = "9"
    & skf18("4","4","1","10","9","8","1") = "9"
    & skf18("4","4","1","10","9","9","1") = "9"
    & skf18("4","4","1","10","9","10","1") = "9"
    & skf18("4","4","1","10","10","1","1") = "9"
    & skf18("4","4","1","10","10","2","1") = "9"
    & skf18("4","4","1","10","10","3","1") = "9"
    & skf18("4","4","1","10","10","4","1") = "9"
    & skf18("4","4","1","10","10","5","1") = "9"
    & skf18("4","4","1","10","10","6","1") = "9"
    & skf18("4","4","1","10","10","7","1") = "9"
    & skf18("4","4","1","10","10","8","1") = "9"
    & skf18("4","4","1","10","10","9","1") = "9"
    & skf18("4","4","1","10","10","10","1") = "9"
    & skf18("4","4","2","1","1","1","1") = "3"
    & skf18("4","4","2","1","1","2","1") = "3"
    & skf18("4","4","2","1","1","3","1") = "3"
    & skf18("4","4","2","1","1","4","1") = "3"
    & skf18("4","4","2","1","1","5","1") = "4"
    & skf18("4","4","2","1","1","6","1") = "5"
    & skf18("4","4","2","1","1","7","1") = "6"
    & skf18("4","4","2","1","1","8","1") = "7"
    & skf18("4","4","2","1","1","9","1") = "8"
    & skf18("4","4","2","1","1","10","1") = "9"
    & skf18("4","4","2","1","2","1","1") = "3"
    & skf18("4","4","2","1","2","2","1") = "3"
    & skf18("4","4","2","1","2","3","1") = "3"
    & skf18("4","4","2","1","2","4","1") = "3"
    & skf18("4","4","2","1","2","5","1") = "4"
    & skf18("4","4","2","1","2","6","1") = "5"
    & skf18("4","4","2","1","2","7","1") = "6"
    & skf18("4","4","2","1","2","8","1") = "7"
    & skf18("4","4","2","1","2","9","1") = "8"
    & skf18("4","4","2","1","2","10","1") = "9"
    & skf18("4","4","2","1","3","1","1") = "3"
    & skf18("4","4","2","1","3","2","1") = "3"
    & skf18("4","4","2","1","3","3","1") = "3"
    & skf18("4","4","2","1","3","4","1") = "3"
    & skf18("4","4","2","1","3","5","1") = "4"
    & skf18("4","4","2","1","3","6","1") = "5"
    & skf18("4","4","2","1","3","7","1") = "6"
    & skf18("4","4","2","1","3","8","1") = "7"
    & skf18("4","4","2","1","3","9","1") = "8"
    & skf18("4","4","2","1","3","10","1") = "9"
    & skf18("4","4","2","1","4","1","1") = "3"
    & skf18("4","4","2","1","4","2","1") = "3"
    & skf18("4","4","2","1","4","3","1") = "3"
    & skf18("4","4","2","1","4","4","1") = "3"
    & skf18("4","4","2","1","4","5","1") = "4"
    & skf18("4","4","2","1","4","6","1") = "5"
    & skf18("4","4","2","1","4","7","1") = "6"
    & skf18("4","4","2","1","4","8","1") = "7"
    & skf18("4","4","2","1","4","9","1") = "8"
    & skf18("4","4","2","1","4","10","1") = "9"
    & skf18("4","4","2","1","5","1","1") = "4"
    & skf18("4","4","2","1","5","2","1") = "4"
    & skf18("4","4","2","1","5","3","1") = "4"
    & skf18("4","4","2","1","5","4","1") = "4"
    & skf18("4","4","2","1","5","5","1") = "4"
    & skf18("4","4","2","1","5","6","1") = "5"
    & skf18("4","4","2","1","5","7","1") = "6"
    & skf18("4","4","2","1","5","8","1") = "7"
    & skf18("4","4","2","1","5","9","1") = "8"
    & skf18("4","4","2","1","5","10","1") = "9"
    & skf18("4","4","2","1","6","1","1") = "5"
    & skf18("4","4","2","1","6","2","1") = "5"
    & skf18("4","4","2","1","6","3","1") = "5"
    & skf18("4","4","2","1","6","4","1") = "5"
    & skf18("4","4","2","1","6","5","1") = "5"
    & skf18("4","4","2","1","6","6","1") = "5"
    & skf18("4","4","2","1","6","7","1") = "6"
    & skf18("4","4","2","1","6","8","1") = "7"
    & skf18("4","4","2","1","6","9","1") = "8"
    & skf18("4","4","2","1","6","10","1") = "9"
    & skf18("4","4","2","1","7","1","1") = "6"
    & skf18("4","4","2","1","7","2","1") = "6"
    & skf18("4","4","2","1","7","3","1") = "6"
    & skf18("4","4","2","1","7","4","1") = "6"
    & skf18("4","4","2","1","7","5","1") = "6"
    & skf18("4","4","2","1","7","6","1") = "6"
    & skf18("4","4","2","1","7","7","1") = "6"
    & skf18("4","4","2","1","7","8","1") = "7"
    & skf18("4","4","2","1","7","9","1") = "8"
    & skf18("4","4","2","1","7","10","1") = "9"
    & skf18("4","4","2","1","8","1","1") = "7"
    & skf18("4","4","2","1","8","2","1") = "7"
    & skf18("4","4","2","1","8","3","1") = "7"
    & skf18("4","4","2","1","8","4","1") = "7"
    & skf18("4","4","2","1","8","5","1") = "7"
    & skf18("4","4","2","1","8","6","1") = "7"
    & skf18("4","4","2","1","8","7","1") = "7"
    & skf18("4","4","2","1","8","8","1") = "7"
    & skf18("4","4","2","1","8","9","1") = "8"
    & skf18("4","4","2","1","8","10","1") = "9"
    & skf18("4","4","2","1","9","1","1") = "8"
    & skf18("4","4","2","1","9","2","1") = "8"
    & skf18("4","4","2","1","9","3","1") = "8"
    & skf18("4","4","2","1","9","4","1") = "8"
    & skf18("4","4","2","1","9","5","1") = "8"
    & skf18("4","4","2","1","9","6","1") = "8"
    & skf18("4","4","2","1","9","7","1") = "8"
    & skf18("4","4","2","1","9","8","1") = "8"
    & skf18("4","4","2","1","9","9","1") = "8"
    & skf18("4","4","2","1","9","10","1") = "9"
    & skf18("4","4","2","1","10","1","1") = "9"
    & skf18("4","4","2","1","10","2","1") = "9"
    & skf18("4","4","2","1","10","3","1") = "9"
    & skf18("4","4","2","1","10","4","1") = "9"
    & skf18("4","4","2","1","10","5","1") = "9"
    & skf18("4","4","2","1","10","6","1") = "9"
    & skf18("4","4","2","1","10","7","1") = "9"
    & skf18("4","4","2","1","10","8","1") = "9"
    & skf18("4","4","2","1","10","9","1") = "9"
    & skf18("4","4","2","1","10","10","1") = "9"
    & skf18("4","4","2","2","1","1","1") = "3"
    & skf18("4","4","2","2","1","2","1") = "3"
    & skf18("4","4","2","2","1","3","1") = "3"
    & skf18("4","4","2","2","1","4","1") = "3"
    & skf18("4","4","2","2","1","5","1") = "4"
    & skf18("4","4","2","2","1","6","1") = "5"
    & skf18("4","4","2","2","1","7","1") = "6"
    & skf18("4","4","2","2","1","8","1") = "7"
    & skf18("4","4","2","2","1","9","1") = "8"
    & skf18("4","4","2","2","1","10","1") = "9"
    & skf18("4","4","2","2","2","1","1") = "3"
    & skf18("4","4","2","2","2","2","1") = "3"
    & skf18("4","4","2","2","2","3","1") = "3"
    & skf18("4","4","2","2","2","4","1") = "3"
    & skf18("4","4","2","2","2","5","1") = "4"
    & skf18("4","4","2","2","2","6","1") = "5"
    & skf18("4","4","2","2","2","7","1") = "6"
    & skf18("4","4","2","2","2","8","1") = "7"
    & skf18("4","4","2","2","2","9","1") = "8"
    & skf18("4","4","2","2","2","10","1") = "9"
    & skf18("4","4","2","2","3","1","1") = "3"
    & skf18("4","4","2","2","3","2","1") = "3"
    & skf18("4","4","2","2","3","3","1") = "3"
    & skf18("4","4","2","2","3","4","1") = "3"
    & skf18("4","4","2","2","3","5","1") = "4"
    & skf18("4","4","2","2","3","6","1") = "5"
    & skf18("4","4","2","2","3","7","1") = "6"
    & skf18("4","4","2","2","3","8","1") = "7"
    & skf18("4","4","2","2","3","9","1") = "8"
    & skf18("4","4","2","2","3","10","1") = "9"
    & skf18("4","4","2","2","4","1","1") = "3"
    & skf18("4","4","2","2","4","2","1") = "3"
    & skf18("4","4","2","2","4","3","1") = "3"
    & skf18("4","4","2","2","4","4","1") = "3"
    & skf18("4","4","2","2","4","5","1") = "4"
    & skf18("4","4","2","2","4","6","1") = "5"
    & skf18("4","4","2","2","4","7","1") = "6"
    & skf18("4","4","2","2","4","8","1") = "7"
    & skf18("4","4","2","2","4","9","1") = "8"
    & skf18("4","4","2","2","4","10","1") = "9"
    & skf18("4","4","2","2","5","1","1") = "4"
    & skf18("4","4","2","2","5","2","1") = "4"
    & skf18("4","4","2","2","5","3","1") = "4"
    & skf18("4","4","2","2","5","4","1") = "4"
    & skf18("4","4","2","2","5","5","1") = "4"
    & skf18("4","4","2","2","5","6","1") = "5"
    & skf18("4","4","2","2","5","7","1") = "6"
    & skf18("4","4","2","2","5","8","1") = "7"
    & skf18("4","4","2","2","5","9","1") = "8"
    & skf18("4","4","2","2","5","10","1") = "9"
    & skf18("4","4","2","2","6","1","1") = "5"
    & skf18("4","4","2","2","6","2","1") = "5"
    & skf18("4","4","2","2","6","3","1") = "5"
    & skf18("4","4","2","2","6","4","1") = "5"
    & skf18("4","4","2","2","6","5","1") = "5"
    & skf18("4","4","2","2","6","6","1") = "5"
    & skf18("4","4","2","2","6","7","1") = "6"
    & skf18("4","4","2","2","6","8","1") = "7"
    & skf18("4","4","2","2","6","9","1") = "8"
    & skf18("4","4","2","2","6","10","1") = "9"
    & skf18("4","4","2","2","7","1","1") = "6"
    & skf18("4","4","2","2","7","2","1") = "6"
    & skf18("4","4","2","2","7","3","1") = "6"
    & skf18("4","4","2","2","7","4","1") = "6"
    & skf18("4","4","2","2","7","5","1") = "6"
    & skf18("4","4","2","2","7","6","1") = "6"
    & skf18("4","4","2","2","7","7","1") = "6"
    & skf18("4","4","2","2","7","8","1") = "7"
    & skf18("4","4","2","2","7","9","1") = "8"
    & skf18("4","4","2","2","7","10","1") = "9"
    & skf18("4","4","2","2","8","1","1") = "7"
    & skf18("4","4","2","2","8","2","1") = "7"
    & skf18("4","4","2","2","8","3","1") = "7"
    & skf18("4","4","2","2","8","4","1") = "7"
    & skf18("4","4","2","2","8","5","1") = "7"
    & skf18("4","4","2","2","8","6","1") = "7"
    & skf18("4","4","2","2","8","7","1") = "7"
    & skf18("4","4","2","2","8","8","1") = "7"
    & skf18("4","4","2","2","8","9","1") = "8"
    & skf18("4","4","2","2","8","10","1") = "9"
    & skf18("4","4","2","2","9","1","1") = "8"
    & skf18("4","4","2","2","9","2","1") = "8"
    & skf18("4","4","2","2","9","3","1") = "8"
    & skf18("4","4","2","2","9","4","1") = "8"
    & skf18("4","4","2","2","9","5","1") = "8"
    & skf18("4","4","2","2","9","6","1") = "8"
    & skf18("4","4","2","2","9","7","1") = "8"
    & skf18("4","4","2","2","9","8","1") = "8"
    & skf18("4","4","2","2","9","9","1") = "8"
    & skf18("4","4","2","2","9","10","1") = "9"
    & skf18("4","4","2","2","10","1","1") = "9"
    & skf18("4","4","2","2","10","2","1") = "9"
    & skf18("4","4","2","2","10","3","1") = "9"
    & skf18("4","4","2","2","10","4","1") = "9"
    & skf18("4","4","2","2","10","5","1") = "9"
    & skf18("4","4","2","2","10","6","1") = "9"
    & skf18("4","4","2","2","10","7","1") = "9"
    & skf18("4","4","2","2","10","8","1") = "9"
    & skf18("4","4","2","2","10","9","1") = "9"
    & skf18("4","4","2","2","10","10","1") = "9"
    & skf18("4","4","2","3","1","1","1") = "3"
    & skf18("4","4","2","3","1","2","1") = "3"
    & skf18("4","4","2","3","1","3","1") = "3"
    & skf18("4","4","2","3","1","4","1") = "3"
    & skf18("4","4","2","3","1","5","1") = "4"
    & skf18("4","4","2","3","1","6","1") = "5"
    & skf18("4","4","2","3","1","7","1") = "6"
    & skf18("4","4","2","3","1","8","1") = "7"
    & skf18("4","4","2","3","1","9","1") = "8"
    & skf18("4","4","2","3","1","10","1") = "9"
    & skf18("4","4","2","3","2","1","1") = "3"
    & skf18("4","4","2","3","2","2","1") = "3"
    & skf18("4","4","2","3","2","3","1") = "3"
    & skf18("4","4","2","3","2","4","1") = "3"
    & skf18("4","4","2","3","2","5","1") = "4"
    & skf18("4","4","2","3","2","6","1") = "5"
    & skf18("4","4","2","3","2","7","1") = "6"
    & skf18("4","4","2","3","2","8","1") = "7"
    & skf18("4","4","2","3","2","9","1") = "8"
    & skf18("4","4","2","3","2","10","1") = "9"
    & skf18("4","4","2","3","3","1","1") = "3"
    & skf18("4","4","2","3","3","2","1") = "3"
    & skf18("4","4","2","3","3","3","1") = "3"
    & skf18("4","4","2","3","3","4","1") = "3"
    & skf18("4","4","2","3","3","5","1") = "4"
    & skf18("4","4","2","3","3","6","1") = "5"
    & skf18("4","4","2","3","3","7","1") = "6"
    & skf18("4","4","2","3","3","8","1") = "7"
    & skf18("4","4","2","3","3","9","1") = "8"
    & skf18("4","4","2","3","3","10","1") = "9"
    & skf18("4","4","2","3","4","1","1") = "3"
    & skf18("4","4","2","3","4","2","1") = "3"
    & skf18("4","4","2","3","4","3","1") = "3"
    & skf18("4","4","2","3","4","4","1") = "3"
    & skf18("4","4","2","3","4","5","1") = "4"
    & skf18("4","4","2","3","4","6","1") = "5"
    & skf18("4","4","2","3","4","7","1") = "6"
    & skf18("4","4","2","3","4","8","1") = "7"
    & skf18("4","4","2","3","4","9","1") = "8"
    & skf18("4","4","2","3","4","10","1") = "9"
    & skf18("4","4","2","3","5","1","1") = "4"
    & skf18("4","4","2","3","5","2","1") = "4"
    & skf18("4","4","2","3","5","3","1") = "4"
    & skf18("4","4","2","3","5","4","1") = "4"
    & skf18("4","4","2","3","5","5","1") = "4"
    & skf18("4","4","2","3","5","6","1") = "5"
    & skf18("4","4","2","3","5","7","1") = "6"
    & skf18("4","4","2","3","5","8","1") = "7"
    & skf18("4","4","2","3","5","9","1") = "8"
    & skf18("4","4","2","3","5","10","1") = "9"
    & skf18("4","4","2","3","6","1","1") = "5"
    & skf18("4","4","2","3","6","2","1") = "5"
    & skf18("4","4","2","3","6","3","1") = "5"
    & skf18("4","4","2","3","6","4","1") = "5"
    & skf18("4","4","2","3","6","5","1") = "5"
    & skf18("4","4","2","3","6","6","1") = "5"
    & skf18("4","4","2","3","6","7","1") = "6"
    & skf18("4","4","2","3","6","8","1") = "7"
    & skf18("4","4","2","3","6","9","1") = "8"
    & skf18("4","4","2","3","6","10","1") = "9"
    & skf18("4","4","2","3","7","1","1") = "6"
    & skf18("4","4","2","3","7","2","1") = "6"
    & skf18("4","4","2","3","7","3","1") = "6"
    & skf18("4","4","2","3","7","4","1") = "6"
    & skf18("4","4","2","3","7","5","1") = "6"
    & skf18("4","4","2","3","7","6","1") = "6"
    & skf18("4","4","2","3","7","7","1") = "6"
    & skf18("4","4","2","3","7","8","1") = "7"
    & skf18("4","4","2","3","7","9","1") = "8"
    & skf18("4","4","2","3","7","10","1") = "9"
    & skf18("4","4","2","3","8","1","1") = "7"
    & skf18("4","4","2","3","8","2","1") = "7"
    & skf18("4","4","2","3","8","3","1") = "7"
    & skf18("4","4","2","3","8","4","1") = "7"
    & skf18("4","4","2","3","8","5","1") = "7"
    & skf18("4","4","2","3","8","6","1") = "7"
    & skf18("4","4","2","3","8","7","1") = "7"
    & skf18("4","4","2","3","8","8","1") = "7"
    & skf18("4","4","2","3","8","9","1") = "8"
    & skf18("4","4","2","3","8","10","1") = "9"
    & skf18("4","4","2","3","9","1","1") = "8"
    & skf18("4","4","2","3","9","2","1") = "8"
    & skf18("4","4","2","3","9","3","1") = "8"
    & skf18("4","4","2","3","9","4","1") = "8"
    & skf18("4","4","2","3","9","5","1") = "8"
    & skf18("4","4","2","3","9","6","1") = "8"
    & skf18("4","4","2","3","9","7","1") = "8"
    & skf18("4","4","2","3","9","8","1") = "8"
    & skf18("4","4","2","3","9","9","1") = "8"
    & skf18("4","4","2","3","9","10","1") = "9"
    & skf18("4","4","2","3","10","1","1") = "9"
    & skf18("4","4","2","3","10","2","1") = "9"
    & skf18("4","4","2","3","10","3","1") = "9"
    & skf18("4","4","2","3","10","4","1") = "9"
    & skf18("4","4","2","3","10","5","1") = "9"
    & skf18("4","4","2","3","10","6","1") = "9"
    & skf18("4","4","2","3","10","7","1") = "9"
    & skf18("4","4","2","3","10","8","1") = "9"
    & skf18("4","4","2","3","10","9","1") = "9"
    & skf18("4","4","2","3","10","10","1") = "9"
    & skf18("4","4","2","4","1","1","1") = "3"
    & skf18("4","4","2","4","1","2","1") = "3"
    & skf18("4","4","2","4","1","3","1") = "3"
    & skf18("4","4","2","4","1","4","1") = "3"
    & skf18("4","4","2","4","1","5","1") = "4"
    & skf18("4","4","2","4","1","6","1") = "5"
    & skf18("4","4","2","4","1","7","1") = "6"
    & skf18("4","4","2","4","1","8","1") = "7"
    & skf18("4","4","2","4","1","9","1") = "8"
    & skf18("4","4","2","4","1","10","1") = "9"
    & skf18("4","4","2","4","2","1","1") = "3"
    & skf18("4","4","2","4","2","2","1") = "3"
    & skf18("4","4","2","4","2","3","1") = "3"
    & skf18("4","4","2","4","2","4","1") = "3"
    & skf18("4","4","2","4","2","5","1") = "4"
    & skf18("4","4","2","4","2","6","1") = "5"
    & skf18("4","4","2","4","2","7","1") = "6"
    & skf18("4","4","2","4","2","8","1") = "7"
    & skf18("4","4","2","4","2","9","1") = "8"
    & skf18("4","4","2","4","2","10","1") = "9"
    & skf18("4","4","2","4","3","1","1") = "3"
    & skf18("4","4","2","4","3","2","1") = "3"
    & skf18("4","4","2","4","3","3","1") = "3"
    & skf18("4","4","2","4","3","4","1") = "3"
    & skf18("4","4","2","4","3","5","1") = "4"
    & skf18("4","4","2","4","3","6","1") = "5"
    & skf18("4","4","2","4","3","7","1") = "6"
    & skf18("4","4","2","4","3","8","1") = "7"
    & skf18("4","4","2","4","3","9","1") = "8"
    & skf18("4","4","2","4","3","10","1") = "9"
    & skf18("4","4","2","4","4","1","1") = "3"
    & skf18("4","4","2","4","4","2","1") = "3"
    & skf18("4","4","2","4","4","3","1") = "3"
    & skf18("4","4","2","4","4","4","1") = "3"
    & skf18("4","4","2","4","4","5","1") = "4"
    & skf18("4","4","2","4","4","6","1") = "5"
    & skf18("4","4","2","4","4","7","1") = "6"
    & skf18("4","4","2","4","4","8","1") = "7"
    & skf18("4","4","2","4","4","9","1") = "8"
    & skf18("4","4","2","4","4","10","1") = "9"
    & skf18("4","4","2","4","5","1","1") = "4"
    & skf18("4","4","2","4","5","2","1") = "4"
    & skf18("4","4","2","4","5","3","1") = "4"
    & skf18("4","4","2","4","5","4","1") = "4"
    & skf18("4","4","2","4","5","5","1") = "4"
    & skf18("4","4","2","4","5","6","1") = "5"
    & skf18("4","4","2","4","5","7","1") = "6"
    & skf18("4","4","2","4","5","8","1") = "7"
    & skf18("4","4","2","4","5","9","1") = "8"
    & skf18("4","4","2","4","5","10","1") = "9"
    & skf18("4","4","2","4","6","1","1") = "5"
    & skf18("4","4","2","4","6","2","1") = "5"
    & skf18("4","4","2","4","6","3","1") = "5"
    & skf18("4","4","2","4","6","4","1") = "5"
    & skf18("4","4","2","4","6","5","1") = "5"
    & skf18("4","4","2","4","6","6","1") = "5"
    & skf18("4","4","2","4","6","7","1") = "6"
    & skf18("4","4","2","4","6","8","1") = "7"
    & skf18("4","4","2","4","6","9","1") = "8"
    & skf18("4","4","2","4","6","10","1") = "9"
    & skf18("4","4","2","4","7","1","1") = "6"
    & skf18("4","4","2","4","7","2","1") = "6"
    & skf18("4","4","2","4","7","3","1") = "6"
    & skf18("4","4","2","4","7","4","1") = "6"
    & skf18("4","4","2","4","7","5","1") = "6"
    & skf18("4","4","2","4","7","6","1") = "6"
    & skf18("4","4","2","4","7","7","1") = "6"
    & skf18("4","4","2","4","7","8","1") = "7"
    & skf18("4","4","2","4","7","9","1") = "8"
    & skf18("4","4","2","4","7","10","1") = "9"
    & skf18("4","4","2","4","8","1","1") = "7"
    & skf18("4","4","2","4","8","2","1") = "7"
    & skf18("4","4","2","4","8","3","1") = "7"
    & skf18("4","4","2","4","8","4","1") = "7"
    & skf18("4","4","2","4","8","5","1") = "7"
    & skf18("4","4","2","4","8","6","1") = "7"
    & skf18("4","4","2","4","8","7","1") = "7"
    & skf18("4","4","2","4","8","8","1") = "7"
    & skf18("4","4","2","4","8","9","1") = "8"
    & skf18("4","4","2","4","8","10","1") = "9"
    & skf18("4","4","2","4","9","1","1") = "8"
    & skf18("4","4","2","4","9","2","1") = "8"
    & skf18("4","4","2","4","9","3","1") = "8"
    & skf18("4","4","2","4","9","4","1") = "8"
    & skf18("4","4","2","4","9","5","1") = "8"
    & skf18("4","4","2","4","9","6","1") = "8"
    & skf18("4","4","2","4","9","7","1") = "8"
    & skf18("4","4","2","4","9","8","1") = "8"
    & skf18("4","4","2","4","9","9","1") = "8"
    & skf18("4","4","2","4","9","10","1") = "9"
    & skf18("4","4","2","4","10","1","1") = "9"
    & skf18("4","4","2","4","10","2","1") = "9"
    & skf18("4","4","2","4","10","3","1") = "9"
    & skf18("4","4","2","4","10","4","1") = "9"
    & skf18("4","4","2","4","10","5","1") = "9"
    & skf18("4","4","2","4","10","6","1") = "9"
    & skf18("4","4","2","4","10","7","1") = "9"
    & skf18("4","4","2","4","10","8","1") = "9"
    & skf18("4","4","2","4","10","9","1") = "9"
    & skf18("4","4","2","4","10","10","1") = "9"
    & skf18("4","4","2","5","1","1","1") = "4"
    & skf18("4","4","2","5","1","2","1") = "4"
    & skf18("4","4","2","5","1","3","1") = "4"
    & skf18("4","4","2","5","1","4","1") = "4"
    & skf18("4","4","2","5","1","5","1") = "4"
    & skf18("4","4","2","5","1","6","1") = "5"
    & skf18("4","4","2","5","1","7","1") = "6"
    & skf18("4","4","2","5","1","8","1") = "7"
    & skf18("4","4","2","5","1","9","1") = "8"
    & skf18("4","4","2","5","1","10","1") = "9"
    & skf18("4","4","2","5","2","1","1") = "4"
    & skf18("4","4","2","5","2","2","1") = "4"
    & skf18("4","4","2","5","2","3","1") = "4"
    & skf18("4","4","2","5","2","4","1") = "4"
    & skf18("4","4","2","5","2","5","1") = "4"
    & skf18("4","4","2","5","2","6","1") = "5"
    & skf18("4","4","2","5","2","7","1") = "6"
    & skf18("4","4","2","5","2","8","1") = "7"
    & skf18("4","4","2","5","2","9","1") = "8"
    & skf18("4","4","2","5","2","10","1") = "9"
    & skf18("4","4","2","5","3","1","1") = "4"
    & skf18("4","4","2","5","3","2","1") = "4"
    & skf18("4","4","2","5","3","3","1") = "4"
    & skf18("4","4","2","5","3","4","1") = "4"
    & skf18("4","4","2","5","3","5","1") = "4"
    & skf18("4","4","2","5","3","6","1") = "5"
    & skf18("4","4","2","5","3","7","1") = "6"
    & skf18("4","4","2","5","3","8","1") = "7"
    & skf18("4","4","2","5","3","9","1") = "8"
    & skf18("4","4","2","5","3","10","1") = "9"
    & skf18("4","4","2","5","4","1","1") = "4"
    & skf18("4","4","2","5","4","2","1") = "4"
    & skf18("4","4","2","5","4","3","1") = "4"
    & skf18("4","4","2","5","4","4","1") = "4"
    & skf18("4","4","2","5","4","5","1") = "4"
    & skf18("4","4","2","5","4","6","1") = "5"
    & skf18("4","4","2","5","4","7","1") = "6"
    & skf18("4","4","2","5","4","8","1") = "7"
    & skf18("4","4","2","5","4","9","1") = "8"
    & skf18("4","4","2","5","4","10","1") = "9"
    & skf18("4","4","2","5","5","1","1") = "4"
    & skf18("4","4","2","5","5","2","1") = "4"
    & skf18("4","4","2","5","5","3","1") = "4"
    & skf18("4","4","2","5","5","4","1") = "4"
    & skf18("4","4","2","5","5","5","1") = "4"
    & skf18("4","4","2","5","5","6","1") = "5"
    & skf18("4","4","2","5","5","7","1") = "6"
    & skf18("4","4","2","5","5","8","1") = "7"
    & skf18("4","4","2","5","5","9","1") = "8"
    & skf18("4","4","2","5","5","10","1") = "9"
    & skf18("4","4","2","5","6","1","1") = "5"
    & skf18("4","4","2","5","6","2","1") = "5"
    & skf18("4","4","2","5","6","3","1") = "5"
    & skf18("4","4","2","5","6","4","1") = "5"
    & skf18("4","4","2","5","6","5","1") = "5"
    & skf18("4","4","2","5","6","6","1") = "5"
    & skf18("4","4","2","5","6","7","1") = "6"
    & skf18("4","4","2","5","6","8","1") = "7"
    & skf18("4","4","2","5","6","9","1") = "8"
    & skf18("4","4","2","5","6","10","1") = "9"
    & skf18("4","4","2","5","7","1","1") = "6"
    & skf18("4","4","2","5","7","2","1") = "6"
    & skf18("4","4","2","5","7","3","1") = "6"
    & skf18("4","4","2","5","7","4","1") = "6"
    & skf18("4","4","2","5","7","5","1") = "6"
    & skf18("4","4","2","5","7","6","1") = "6"
    & skf18("4","4","2","5","7","7","1") = "6"
    & skf18("4","4","2","5","7","8","1") = "7"
    & skf18("4","4","2","5","7","9","1") = "8"
    & skf18("4","4","2","5","7","10","1") = "9"
    & skf18("4","4","2","5","8","1","1") = "7"
    & skf18("4","4","2","5","8","2","1") = "7"
    & skf18("4","4","2","5","8","3","1") = "7"
    & skf18("4","4","2","5","8","4","1") = "7"
    & skf18("4","4","2","5","8","5","1") = "7"
    & skf18("4","4","2","5","8","6","1") = "7"
    & skf18("4","4","2","5","8","7","1") = "7"
    & skf18("4","4","2","5","8","8","1") = "7"
    & skf18("4","4","2","5","8","9","1") = "8"
    & skf18("4","4","2","5","8","10","1") = "9"
    & skf18("4","4","2","5","9","1","1") = "8"
    & skf18("4","4","2","5","9","2","1") = "8"
    & skf18("4","4","2","5","9","3","1") = "8"
    & skf18("4","4","2","5","9","4","1") = "8"
    & skf18("4","4","2","5","9","5","1") = "8"
    & skf18("4","4","2","5","9","6","1") = "8"
    & skf18("4","4","2","5","9","7","1") = "8"
    & skf18("4","4","2","5","9","8","1") = "8"
    & skf18("4","4","2","5","9","9","1") = "8"
    & skf18("4","4","2","5","9","10","1") = "9"
    & skf18("4","4","2","5","10","1","1") = "9"
    & skf18("4","4","2","5","10","2","1") = "9"
    & skf18("4","4","2","5","10","3","1") = "9"
    & skf18("4","4","2","5","10","4","1") = "9"
    & skf18("4","4","2","5","10","5","1") = "9"
    & skf18("4","4","2","5","10","6","1") = "9"
    & skf18("4","4","2","5","10","7","1") = "9"
    & skf18("4","4","2","5","10","8","1") = "9"
    & skf18("4","4","2","5","10","9","1") = "9"
    & skf18("4","4","2","5","10","10","1") = "9"
    & skf18("4","4","2","6","1","1","1") = "5"
    & skf18("4","4","2","6","1","2","1") = "5"
    & skf18("4","4","2","6","1","3","1") = "5"
    & skf18("4","4","2","6","1","4","1") = "5"
    & skf18("4","4","2","6","1","5","1") = "5"
    & skf18("4","4","2","6","1","6","1") = "5"
    & skf18("4","4","2","6","1","7","1") = "6"
    & skf18("4","4","2","6","1","8","1") = "7"
    & skf18("4","4","2","6","1","9","1") = "8"
    & skf18("4","4","2","6","1","10","1") = "9"
    & skf18("4","4","2","6","2","1","1") = "5"
    & skf18("4","4","2","6","2","2","1") = "5"
    & skf18("4","4","2","6","2","3","1") = "5"
    & skf18("4","4","2","6","2","4","1") = "5"
    & skf18("4","4","2","6","2","5","1") = "5"
    & skf18("4","4","2","6","2","6","1") = "5"
    & skf18("4","4","2","6","2","7","1") = "6"
    & skf18("4","4","2","6","2","8","1") = "7"
    & skf18("4","4","2","6","2","9","1") = "8"
    & skf18("4","4","2","6","2","10","1") = "9"
    & skf18("4","4","2","6","3","1","1") = "5"
    & skf18("4","4","2","6","3","2","1") = "5"
    & skf18("4","4","2","6","3","3","1") = "5"
    & skf18("4","4","2","6","3","4","1") = "5"
    & skf18("4","4","2","6","3","5","1") = "5"
    & skf18("4","4","2","6","3","6","1") = "5"
    & skf18("4","4","2","6","3","7","1") = "6"
    & skf18("4","4","2","6","3","8","1") = "7"
    & skf18("4","4","2","6","3","9","1") = "8"
    & skf18("4","4","2","6","3","10","1") = "9"
    & skf18("4","4","2","6","4","1","1") = "5"
    & skf18("4","4","2","6","4","2","1") = "5"
    & skf18("4","4","2","6","4","3","1") = "5"
    & skf18("4","4","2","6","4","4","1") = "5"
    & skf18("4","4","2","6","4","5","1") = "5"
    & skf18("4","4","2","6","4","6","1") = "5"
    & skf18("4","4","2","6","4","7","1") = "6"
    & skf18("4","4","2","6","4","8","1") = "7"
    & skf18("4","4","2","6","4","9","1") = "8"
    & skf18("4","4","2","6","4","10","1") = "9"
    & skf18("4","4","2","6","5","1","1") = "5"
    & skf18("4","4","2","6","5","2","1") = "5"
    & skf18("4","4","2","6","5","3","1") = "5"
    & skf18("4","4","2","6","5","4","1") = "5"
    & skf18("4","4","2","6","5","5","1") = "5"
    & skf18("4","4","2","6","5","6","1") = "5"
    & skf18("4","4","2","6","5","7","1") = "6"
    & skf18("4","4","2","6","5","8","1") = "7"
    & skf18("4","4","2","6","5","9","1") = "8"
    & skf18("4","4","2","6","5","10","1") = "9"
    & skf18("4","4","2","6","6","1","1") = "5"
    & skf18("4","4","2","6","6","2","1") = "5"
    & skf18("4","4","2","6","6","3","1") = "5"
    & skf18("4","4","2","6","6","4","1") = "5"
    & skf18("4","4","2","6","6","5","1") = "5"
    & skf18("4","4","2","6","6","6","1") = "5"
    & skf18("4","4","2","6","6","7","1") = "6"
    & skf18("4","4","2","6","6","8","1") = "7"
    & skf18("4","4","2","6","6","9","1") = "8"
    & skf18("4","4","2","6","6","10","1") = "9"
    & skf18("4","4","2","6","7","1","1") = "6"
    & skf18("4","4","2","6","7","2","1") = "6"
    & skf18("4","4","2","6","7","3","1") = "6"
    & skf18("4","4","2","6","7","4","1") = "6"
    & skf18("4","4","2","6","7","5","1") = "6"
    & skf18("4","4","2","6","7","6","1") = "6"
    & skf18("4","4","2","6","7","7","1") = "6"
    & skf18("4","4","2","6","7","8","1") = "7"
    & skf18("4","4","2","6","7","9","1") = "8"
    & skf18("4","4","2","6","7","10","1") = "9"
    & skf18("4","4","2","6","8","1","1") = "7"
    & skf18("4","4","2","6","8","2","1") = "7"
    & skf18("4","4","2","6","8","3","1") = "7"
    & skf18("4","4","2","6","8","4","1") = "7"
    & skf18("4","4","2","6","8","5","1") = "7"
    & skf18("4","4","2","6","8","6","1") = "7"
    & skf18("4","4","2","6","8","7","1") = "7"
    & skf18("4","4","2","6","8","8","1") = "7"
    & skf18("4","4","2","6","8","9","1") = "8"
    & skf18("4","4","2","6","8","10","1") = "9"
    & skf18("4","4","2","6","9","1","1") = "8"
    & skf18("4","4","2","6","9","2","1") = "8"
    & skf18("4","4","2","6","9","3","1") = "8"
    & skf18("4","4","2","6","9","4","1") = "8"
    & skf18("4","4","2","6","9","5","1") = "8"
    & skf18("4","4","2","6","9","6","1") = "8"
    & skf18("4","4","2","6","9","7","1") = "8"
    & skf18("4","4","2","6","9","8","1") = "8"
    & skf18("4","4","2","6","9","9","1") = "8"
    & skf18("4","4","2","6","9","10","1") = "9"
    & skf18("4","4","2","6","10","1","1") = "9"
    & skf18("4","4","2","6","10","2","1") = "9"
    & skf18("4","4","2","6","10","3","1") = "9"
    & skf18("4","4","2","6","10","4","1") = "9"
    & skf18("4","4","2","6","10","5","1") = "9"
    & skf18("4","4","2","6","10","6","1") = "9"
    & skf18("4","4","2","6","10","7","1") = "9"
    & skf18("4","4","2","6","10","8","1") = "9"
    & skf18("4","4","2","6","10","9","1") = "9"
    & skf18("4","4","2","6","10","10","1") = "9"
    & skf18("4","4","2","7","1","1","1") = "6"
    & skf18("4","4","2","7","1","2","1") = "6"
    & skf18("4","4","2","7","1","3","1") = "6"
    & skf18("4","4","2","7","1","4","1") = "6"
    & skf18("4","4","2","7","1","5","1") = "6"
    & skf18("4","4","2","7","1","6","1") = "6"
    & skf18("4","4","2","7","1","7","1") = "6"
    & skf18("4","4","2","7","1","8","1") = "7"
    & skf18("4","4","2","7","1","9","1") = "8"
    & skf18("4","4","2","7","1","10","1") = "9"
    & skf18("4","4","2","7","2","1","1") = "6"
    & skf18("4","4","2","7","2","2","1") = "6"
    & skf18("4","4","2","7","2","3","1") = "6"
    & skf18("4","4","2","7","2","4","1") = "6"
    & skf18("4","4","2","7","2","5","1") = "6"
    & skf18("4","4","2","7","2","6","1") = "6"
    & skf18("4","4","2","7","2","7","1") = "6"
    & skf18("4","4","2","7","2","8","1") = "7"
    & skf18("4","4","2","7","2","9","1") = "8"
    & skf18("4","4","2","7","2","10","1") = "9"
    & skf18("4","4","2","7","3","1","1") = "6"
    & skf18("4","4","2","7","3","2","1") = "6"
    & skf18("4","4","2","7","3","3","1") = "6"
    & skf18("4","4","2","7","3","4","1") = "6"
    & skf18("4","4","2","7","3","5","1") = "6"
    & skf18("4","4","2","7","3","6","1") = "6"
    & skf18("4","4","2","7","3","7","1") = "6"
    & skf18("4","4","2","7","3","8","1") = "7"
    & skf18("4","4","2","7","3","9","1") = "8"
    & skf18("4","4","2","7","3","10","1") = "9"
    & skf18("4","4","2","7","4","1","1") = "6"
    & skf18("4","4","2","7","4","2","1") = "6"
    & skf18("4","4","2","7","4","3","1") = "6"
    & skf18("4","4","2","7","4","4","1") = "6"
    & skf18("4","4","2","7","4","5","1") = "6"
    & skf18("4","4","2","7","4","6","1") = "6"
    & skf18("4","4","2","7","4","7","1") = "6"
    & skf18("4","4","2","7","4","8","1") = "7"
    & skf18("4","4","2","7","4","9","1") = "8"
    & skf18("4","4","2","7","4","10","1") = "9"
    & skf18("4","4","2","7","5","1","1") = "6"
    & skf18("4","4","2","7","5","2","1") = "6"
    & skf18("4","4","2","7","5","3","1") = "6"
    & skf18("4","4","2","7","5","4","1") = "6"
    & skf18("4","4","2","7","5","5","1") = "6"
    & skf18("4","4","2","7","5","6","1") = "6"
    & skf18("4","4","2","7","5","7","1") = "6"
    & skf18("4","4","2","7","5","8","1") = "7"
    & skf18("4","4","2","7","5","9","1") = "8"
    & skf18("4","4","2","7","5","10","1") = "9"
    & skf18("4","4","2","7","6","1","1") = "6"
    & skf18("4","4","2","7","6","2","1") = "6"
    & skf18("4","4","2","7","6","3","1") = "6"
    & skf18("4","4","2","7","6","4","1") = "6"
    & skf18("4","4","2","7","6","5","1") = "6"
    & skf18("4","4","2","7","6","6","1") = "6"
    & skf18("4","4","2","7","6","7","1") = "6"
    & skf18("4","4","2","7","6","8","1") = "7"
    & skf18("4","4","2","7","6","9","1") = "8"
    & skf18("4","4","2","7","6","10","1") = "9"
    & skf18("4","4","2","7","7","1","1") = "6"
    & skf18("4","4","2","7","7","2","1") = "6"
    & skf18("4","4","2","7","7","3","1") = "6"
    & skf18("4","4","2","7","7","4","1") = "6"
    & skf18("4","4","2","7","7","5","1") = "6"
    & skf18("4","4","2","7","7","6","1") = "6"
    & skf18("4","4","2","7","7","7","1") = "6"
    & skf18("4","4","2","7","7","8","1") = "7"
    & skf18("4","4","2","7","7","9","1") = "8"
    & skf18("4","4","2","7","7","10","1") = "9"
    & skf18("4","4","2","7","8","1","1") = "7"
    & skf18("4","4","2","7","8","2","1") = "7"
    & skf18("4","4","2","7","8","3","1") = "7"
    & skf18("4","4","2","7","8","4","1") = "7"
    & skf18("4","4","2","7","8","5","1") = "7"
    & skf18("4","4","2","7","8","6","1") = "7"
    & skf18("4","4","2","7","8","7","1") = "7"
    & skf18("4","4","2","7","8","8","1") = "7"
    & skf18("4","4","2","7","8","9","1") = "8"
    & skf18("4","4","2","7","8","10","1") = "9"
    & skf18("4","4","2","7","9","1","1") = "8"
    & skf18("4","4","2","7","9","2","1") = "8"
    & skf18("4","4","2","7","9","3","1") = "8"
    & skf18("4","4","2","7","9","4","1") = "8"
    & skf18("4","4","2","7","9","5","1") = "8"
    & skf18("4","4","2","7","9","6","1") = "8"
    & skf18("4","4","2","7","9","7","1") = "8"
    & skf18("4","4","2","7","9","8","1") = "8"
    & skf18("4","4","2","7","9","9","1") = "8"
    & skf18("4","4","2","7","9","10","1") = "9"
    & skf18("4","4","2","7","10","1","1") = "9"
    & skf18("4","4","2","7","10","2","1") = "9"
    & skf18("4","4","2","7","10","3","1") = "9"
    & skf18("4","4","2","7","10","4","1") = "9"
    & skf18("4","4","2","7","10","5","1") = "9"
    & skf18("4","4","2","7","10","6","1") = "9"
    & skf18("4","4","2","7","10","7","1") = "9"
    & skf18("4","4","2","7","10","8","1") = "9"
    & skf18("4","4","2","7","10","9","1") = "9"
    & skf18("4","4","2","7","10","10","1") = "9"
    & skf18("4","4","2","8","1","1","1") = "7"
    & skf18("4","4","2","8","1","2","1") = "7"
    & skf18("4","4","2","8","1","3","1") = "7"
    & skf18("4","4","2","8","1","4","1") = "7"
    & skf18("4","4","2","8","1","5","1") = "7"
    & skf18("4","4","2","8","1","6","1") = "7"
    & skf18("4","4","2","8","1","7","1") = "7"
    & skf18("4","4","2","8","1","8","1") = "7"
    & skf18("4","4","2","8","1","9","1") = "8"
    & skf18("4","4","2","8","1","10","1") = "9"
    & skf18("4","4","2","8","2","1","1") = "7"
    & skf18("4","4","2","8","2","2","1") = "7"
    & skf18("4","4","2","8","2","3","1") = "7"
    & skf18("4","4","2","8","2","4","1") = "7"
    & skf18("4","4","2","8","2","5","1") = "7"
    & skf18("4","4","2","8","2","6","1") = "7"
    & skf18("4","4","2","8","2","7","1") = "7"
    & skf18("4","4","2","8","2","8","1") = "7"
    & skf18("4","4","2","8","2","9","1") = "8"
    & skf18("4","4","2","8","2","10","1") = "9"
    & skf18("4","4","2","8","3","1","1") = "7"
    & skf18("4","4","2","8","3","2","1") = "7"
    & skf18("4","4","2","8","3","3","1") = "7"
    & skf18("4","4","2","8","3","4","1") = "7"
    & skf18("4","4","2","8","3","5","1") = "7"
    & skf18("4","4","2","8","3","6","1") = "7"
    & skf18("4","4","2","8","3","7","1") = "7"
    & skf18("4","4","2","8","3","8","1") = "7"
    & skf18("4","4","2","8","3","9","1") = "8"
    & skf18("4","4","2","8","3","10","1") = "9"
    & skf18("4","4","2","8","4","1","1") = "7"
    & skf18("4","4","2","8","4","2","1") = "7"
    & skf18("4","4","2","8","4","3","1") = "7"
    & skf18("4","4","2","8","4","4","1") = "7"
    & skf18("4","4","2","8","4","5","1") = "7"
    & skf18("4","4","2","8","4","6","1") = "7"
    & skf18("4","4","2","8","4","7","1") = "7"
    & skf18("4","4","2","8","4","8","1") = "7"
    & skf18("4","4","2","8","4","9","1") = "8"
    & skf18("4","4","2","8","4","10","1") = "9"
    & skf18("4","4","2","8","5","1","1") = "7"
    & skf18("4","4","2","8","5","2","1") = "7"
    & skf18("4","4","2","8","5","3","1") = "7"
    & skf18("4","4","2","8","5","4","1") = "7"
    & skf18("4","4","2","8","5","5","1") = "7"
    & skf18("4","4","2","8","5","6","1") = "7"
    & skf18("4","4","2","8","5","7","1") = "7"
    & skf18("4","4","2","8","5","8","1") = "7"
    & skf18("4","4","2","8","5","9","1") = "8"
    & skf18("4","4","2","8","5","10","1") = "9"
    & skf18("4","4","2","8","6","1","1") = "7"
    & skf18("4","4","2","8","6","2","1") = "7"
    & skf18("4","4","2","8","6","3","1") = "7"
    & skf18("4","4","2","8","6","4","1") = "7"
    & skf18("4","4","2","8","6","5","1") = "7"
    & skf18("4","4","2","8","6","6","1") = "7"
    & skf18("4","4","2","8","6","7","1") = "7"
    & skf18("4","4","2","8","6","8","1") = "7"
    & skf18("4","4","2","8","6","9","1") = "8"
    & skf18("4","4","2","8","6","10","1") = "9"
    & skf18("4","4","2","8","7","1","1") = "7"
    & skf18("4","4","2","8","7","2","1") = "7"
    & skf18("4","4","2","8","7","3","1") = "7"
    & skf18("4","4","2","8","7","4","1") = "7"
    & skf18("4","4","2","8","7","5","1") = "7"
    & skf18("4","4","2","8","7","6","1") = "7"
    & skf18("4","4","2","8","7","7","1") = "7"
    & skf18("4","4","2","8","7","8","1") = "7"
    & skf18("4","4","2","8","7","9","1") = "8"
    & skf18("4","4","2","8","7","10","1") = "9"
    & skf18("4","4","2","8","8","1","1") = "7"
    & skf18("4","4","2","8","8","2","1") = "7"
    & skf18("4","4","2","8","8","3","1") = "7"
    & skf18("4","4","2","8","8","4","1") = "7"
    & skf18("4","4","2","8","8","5","1") = "7"
    & skf18("4","4","2","8","8","6","1") = "7"
    & skf18("4","4","2","8","8","7","1") = "7"
    & skf18("4","4","2","8","8","8","1") = "7"
    & skf18("4","4","2","8","8","9","1") = "8"
    & skf18("4","4","2","8","8","10","1") = "9"
    & skf18("4","4","2","8","9","1","1") = "8"
    & skf18("4","4","2","8","9","2","1") = "8"
    & skf18("4","4","2","8","9","3","1") = "8"
    & skf18("4","4","2","8","9","4","1") = "8"
    & skf18("4","4","2","8","9","5","1") = "8"
    & skf18("4","4","2","8","9","6","1") = "8"
    & skf18("4","4","2","8","9","7","1") = "8"
    & skf18("4","4","2","8","9","8","1") = "8"
    & skf18("4","4","2","8","9","9","1") = "8"
    & skf18("4","4","2","8","9","10","1") = "9"
    & skf18("4","4","2","8","10","1","1") = "9"
    & skf18("4","4","2","8","10","2","1") = "9"
    & skf18("4","4","2","8","10","3","1") = "9"
    & skf18("4","4","2","8","10","4","1") = "9"
    & skf18("4","4","2","8","10","5","1") = "9"
    & skf18("4","4","2","8","10","6","1") = "9"
    & skf18("4","4","2","8","10","7","1") = "9"
    & skf18("4","4","2","8","10","8","1") = "9"
    & skf18("4","4","2","8","10","9","1") = "9"
    & skf18("4","4","2","8","10","10","1") = "9"
    & skf18("4","4","2","9","1","1","1") = "8"
    & skf18("4","4","2","9","1","2","1") = "8"
    & skf18("4","4","2","9","1","3","1") = "8"
    & skf18("4","4","2","9","1","4","1") = "8"
    & skf18("4","4","2","9","1","5","1") = "8"
    & skf18("4","4","2","9","1","6","1") = "8"
    & skf18("4","4","2","9","1","7","1") = "8"
    & skf18("4","4","2","9","1","8","1") = "8"
    & skf18("4","4","2","9","1","9","1") = "8"
    & skf18("4","4","2","9","1","10","1") = "9"
    & skf18("4","4","2","9","2","1","1") = "8"
    & skf18("4","4","2","9","2","2","1") = "8"
    & skf18("4","4","2","9","2","3","1") = "8"
    & skf18("4","4","2","9","2","4","1") = "8"
    & skf18("4","4","2","9","2","5","1") = "8"
    & skf18("4","4","2","9","2","6","1") = "8"
    & skf18("4","4","2","9","2","7","1") = "8"
    & skf18("4","4","2","9","2","8","1") = "8"
    & skf18("4","4","2","9","2","9","1") = "8"
    & skf18("4","4","2","9","2","10","1") = "9"
    & skf18("4","4","2","9","3","1","1") = "8"
    & skf18("4","4","2","9","3","2","1") = "8"
    & skf18("4","4","2","9","3","3","1") = "8"
    & skf18("4","4","2","9","3","4","1") = "8"
    & skf18("4","4","2","9","3","5","1") = "8"
    & skf18("4","4","2","9","3","6","1") = "8"
    & skf18("4","4","2","9","3","7","1") = "8"
    & skf18("4","4","2","9","3","8","1") = "8"
    & skf18("4","4","2","9","3","9","1") = "8"
    & skf18("4","4","2","9","3","10","1") = "9"
    & skf18("4","4","2","9","4","1","1") = "8"
    & skf18("4","4","2","9","4","2","1") = "8"
    & skf18("4","4","2","9","4","3","1") = "8"
    & skf18("4","4","2","9","4","4","1") = "8"
    & skf18("4","4","2","9","4","5","1") = "8"
    & skf18("4","4","2","9","4","6","1") = "8"
    & skf18("4","4","2","9","4","7","1") = "8"
    & skf18("4","4","2","9","4","8","1") = "8"
    & skf18("4","4","2","9","4","9","1") = "8"
    & skf18("4","4","2","9","4","10","1") = "9"
    & skf18("4","4","2","9","5","1","1") = "8"
    & skf18("4","4","2","9","5","2","1") = "8"
    & skf18("4","4","2","9","5","3","1") = "8"
    & skf18("4","4","2","9","5","4","1") = "8"
    & skf18("4","4","2","9","5","5","1") = "8"
    & skf18("4","4","2","9","5","6","1") = "8"
    & skf18("4","4","2","9","5","7","1") = "8"
    & skf18("4","4","2","9","5","8","1") = "8"
    & skf18("4","4","2","9","5","9","1") = "8"
    & skf18("4","4","2","9","5","10","1") = "9"
    & skf18("4","4","2","9","6","1","1") = "8"
    & skf18("4","4","2","9","6","2","1") = "8"
    & skf18("4","4","2","9","6","3","1") = "8"
    & skf18("4","4","2","9","6","4","1") = "8"
    & skf18("4","4","2","9","6","5","1") = "8"
    & skf18("4","4","2","9","6","6","1") = "8"
    & skf18("4","4","2","9","6","7","1") = "8"
    & skf18("4","4","2","9","6","8","1") = "8"
    & skf18("4","4","2","9","6","9","1") = "8"
    & skf18("4","4","2","9","6","10","1") = "9"
    & skf18("4","4","2","9","7","1","1") = "8"
    & skf18("4","4","2","9","7","2","1") = "8"
    & skf18("4","4","2","9","7","3","1") = "8"
    & skf18("4","4","2","9","7","4","1") = "8"
    & skf18("4","4","2","9","7","5","1") = "8"
    & skf18("4","4","2","9","7","6","1") = "8"
    & skf18("4","4","2","9","7","7","1") = "8"
    & skf18("4","4","2","9","7","8","1") = "8"
    & skf18("4","4","2","9","7","9","1") = "8"
    & skf18("4","4","2","9","7","10","1") = "9"
    & skf18("4","4","2","9","8","1","1") = "8"
    & skf18("4","4","2","9","8","2","1") = "8"
    & skf18("4","4","2","9","8","3","1") = "8"
    & skf18("4","4","2","9","8","4","1") = "8"
    & skf18("4","4","2","9","8","5","1") = "8"
    & skf18("4","4","2","9","8","6","1") = "8"
    & skf18("4","4","2","9","8","7","1") = "8"
    & skf18("4","4","2","9","8","8","1") = "8"
    & skf18("4","4","2","9","8","9","1") = "8"
    & skf18("4","4","2","9","8","10","1") = "9"
    & skf18("4","4","2","9","9","1","1") = "8"
    & skf18("4","4","2","9","9","2","1") = "8"
    & skf18("4","4","2","9","9","3","1") = "8"
    & skf18("4","4","2","9","9","4","1") = "8"
    & skf18("4","4","2","9","9","5","1") = "8"
    & skf18("4","4","2","9","9","6","1") = "8"
    & skf18("4","4","2","9","9","7","1") = "8"
    & skf18("4","4","2","9","9","8","1") = "8"
    & skf18("4","4","2","9","9","9","1") = "8"
    & skf18("4","4","2","9","9","10","1") = "9"
    & skf18("4","4","2","9","10","1","1") = "9"
    & skf18("4","4","2","9","10","2","1") = "9"
    & skf18("4","4","2","9","10","3","1") = "9"
    & skf18("4","4","2","9","10","4","1") = "9"
    & skf18("4","4","2","9","10","5","1") = "9"
    & skf18("4","4","2","9","10","6","1") = "9"
    & skf18("4","4","2","9","10","7","1") = "9"
    & skf18("4","4","2","9","10","8","1") = "9"
    & skf18("4","4","2","9","10","9","1") = "9"
    & skf18("4","4","2","9","10","10","1") = "9"
    & skf18("4","4","2","10","1","1","1") = "9"
    & skf18("4","4","2","10","1","2","1") = "9"
    & skf18("4","4","2","10","1","3","1") = "9"
    & skf18("4","4","2","10","1","4","1") = "9"
    & skf18("4","4","2","10","1","5","1") = "9"
    & skf18("4","4","2","10","1","6","1") = "9"
    & skf18("4","4","2","10","1","7","1") = "9"
    & skf18("4","4","2","10","1","8","1") = "9"
    & skf18("4","4","2","10","1","9","1") = "9"
    & skf18("4","4","2","10","1","10","1") = "9"
    & skf18("4","4","2","10","2","1","1") = "9"
    & skf18("4","4","2","10","2","2","1") = "9"
    & skf18("4","4","2","10","2","3","1") = "9"
    & skf18("4","4","2","10","2","4","1") = "9"
    & skf18("4","4","2","10","2","5","1") = "9"
    & skf18("4","4","2","10","2","6","1") = "9"
    & skf18("4","4","2","10","2","7","1") = "9"
    & skf18("4","4","2","10","2","8","1") = "9"
    & skf18("4","4","2","10","2","9","1") = "9"
    & skf18("4","4","2","10","2","10","1") = "9"
    & skf18("4","4","2","10","3","1","1") = "9"
    & skf18("4","4","2","10","3","2","1") = "9"
    & skf18("4","4","2","10","3","3","1") = "9"
    & skf18("4","4","2","10","3","4","1") = "9"
    & skf18("4","4","2","10","3","5","1") = "9"
    & skf18("4","4","2","10","3","6","1") = "9"
    & skf18("4","4","2","10","3","7","1") = "9"
    & skf18("4","4","2","10","3","8","1") = "9"
    & skf18("4","4","2","10","3","9","1") = "9"
    & skf18("4","4","2","10","3","10","1") = "9"
    & skf18("4","4","2","10","4","1","1") = "9"
    & skf18("4","4","2","10","4","2","1") = "9"
    & skf18("4","4","2","10","4","3","1") = "9"
    & skf18("4","4","2","10","4","4","1") = "9"
    & skf18("4","4","2","10","4","5","1") = "9"
    & skf18("4","4","2","10","4","6","1") = "9"
    & skf18("4","4","2","10","4","7","1") = "9"
    & skf18("4","4","2","10","4","8","1") = "9"
    & skf18("4","4","2","10","4","9","1") = "9"
    & skf18("4","4","2","10","4","10","1") = "9"
    & skf18("4","4","2","10","5","1","1") = "9"
    & skf18("4","4","2","10","5","2","1") = "9"
    & skf18("4","4","2","10","5","3","1") = "9"
    & skf18("4","4","2","10","5","4","1") = "9"
    & skf18("4","4","2","10","5","5","1") = "9"
    & skf18("4","4","2","10","5","6","1") = "9"
    & skf18("4","4","2","10","5","7","1") = "9"
    & skf18("4","4","2","10","5","8","1") = "9"
    & skf18("4","4","2","10","5","9","1") = "9"
    & skf18("4","4","2","10","5","10","1") = "9"
    & skf18("4","4","2","10","6","1","1") = "9"
    & skf18("4","4","2","10","6","2","1") = "9"
    & skf18("4","4","2","10","6","3","1") = "9"
    & skf18("4","4","2","10","6","4","1") = "9"
    & skf18("4","4","2","10","6","5","1") = "9"
    & skf18("4","4","2","10","6","6","1") = "9"
    & skf18("4","4","2","10","6","7","1") = "9"
    & skf18("4","4","2","10","6","8","1") = "9"
    & skf18("4","4","2","10","6","9","1") = "9"
    & skf18("4","4","2","10","6","10","1") = "9"
    & skf18("4","4","2","10","7","1","1") = "9"
    & skf18("4","4","2","10","7","2","1") = "9"
    & skf18("4","4","2","10","7","3","1") = "9"
    & skf18("4","4","2","10","7","4","1") = "9"
    & skf18("4","4","2","10","7","5","1") = "9"
    & skf18("4","4","2","10","7","6","1") = "9"
    & skf18("4","4","2","10","7","7","1") = "9"
    & skf18("4","4","2","10","7","8","1") = "9"
    & skf18("4","4","2","10","7","9","1") = "9"
    & skf18("4","4","2","10","7","10","1") = "9"
    & skf18("4","4","2","10","8","1","1") = "9"
    & skf18("4","4","2","10","8","2","1") = "9"
    & skf18("4","4","2","10","8","3","1") = "9"
    & skf18("4","4","2","10","8","4","1") = "9"
    & skf18("4","4","2","10","8","5","1") = "9"
    & skf18("4","4","2","10","8","6","1") = "9"
    & skf18("4","4","2","10","8","7","1") = "9"
    & skf18("4","4","2","10","8","8","1") = "9"
    & skf18("4","4","2","10","8","9","1") = "9"
    & skf18("4","4","2","10","8","10","1") = "9"
    & skf18("4","4","2","10","9","1","1") = "9"
    & skf18("4","4","2","10","9","2","1") = "9"
    & skf18("4","4","2","10","9","3","1") = "9"
    & skf18("4","4","2","10","9","4","1") = "9"
    & skf18("4","4","2","10","9","5","1") = "9"
    & skf18("4","4","2","10","9","6","1") = "9"
    & skf18("4","4","2","10","9","7","1") = "9"
    & skf18("4","4","2","10","9","8","1") = "9"
    & skf18("4","4","2","10","9","9","1") = "9"
    & skf18("4","4","2","10","9","10","1") = "9"
    & skf18("4","4","2","10","10","1","1") = "9"
    & skf18("4","4","2","10","10","2","1") = "9"
    & skf18("4","4","2","10","10","3","1") = "9"
    & skf18("4","4","2","10","10","4","1") = "9"
    & skf18("4","4","2","10","10","5","1") = "9"
    & skf18("4","4","2","10","10","6","1") = "9"
    & skf18("4","4","2","10","10","7","1") = "9"
    & skf18("4","4","2","10","10","8","1") = "9"
    & skf18("4","4","2","10","10","9","1") = "9"
    & skf18("4","4","2","10","10","10","1") = "9"
    & skf18("4","4","3","1","1","1","1") = "3"
    & skf18("4","4","3","1","1","2","1") = "3"
    & skf18("4","4","3","1","1","3","1") = "3"
    & skf18("4","4","3","1","1","4","1") = "3"
    & skf18("4","4","3","1","1","5","1") = "4"
    & skf18("4","4","3","1","1","6","1") = "5"
    & skf18("4","4","3","1","1","7","1") = "6"
    & skf18("4","4","3","1","1","8","1") = "7"
    & skf18("4","4","3","1","1","9","1") = "8"
    & skf18("4","4","3","1","1","10","1") = "9"
    & skf18("4","4","3","1","2","1","1") = "3"
    & skf18("4","4","3","1","2","2","1") = "3"
    & skf18("4","4","3","1","2","3","1") = "3"
    & skf18("4","4","3","1","2","4","1") = "3"
    & skf18("4","4","3","1","2","5","1") = "4"
    & skf18("4","4","3","1","2","6","1") = "5"
    & skf18("4","4","3","1","2","7","1") = "6"
    & skf18("4","4","3","1","2","8","1") = "7"
    & skf18("4","4","3","1","2","9","1") = "8"
    & skf18("4","4","3","1","2","10","1") = "9"
    & skf18("4","4","3","1","3","1","1") = "3"
    & skf18("4","4","3","1","3","2","1") = "3"
    & skf18("4","4","3","1","3","3","1") = "3"
    & skf18("4","4","3","1","3","4","1") = "3"
    & skf18("4","4","3","1","3","5","1") = "4"
    & skf18("4","4","3","1","3","6","1") = "5"
    & skf18("4","4","3","1","3","7","1") = "6"
    & skf18("4","4","3","1","3","8","1") = "7"
    & skf18("4","4","3","1","3","9","1") = "8"
    & skf18("4","4","3","1","3","10","1") = "9"
    & skf18("4","4","3","1","4","1","1") = "3"
    & skf18("4","4","3","1","4","2","1") = "3"
    & skf18("4","4","3","1","4","3","1") = "3"
    & skf18("4","4","3","1","4","4","1") = "3"
    & skf18("4","4","3","1","4","5","1") = "4"
    & skf18("4","4","3","1","4","6","1") = "5"
    & skf18("4","4","3","1","4","7","1") = "6"
    & skf18("4","4","3","1","4","8","1") = "7"
    & skf18("4","4","3","1","4","9","1") = "8"
    & skf18("4","4","3","1","4","10","1") = "9"
    & skf18("4","4","3","1","5","1","1") = "4"
    & skf18("4","4","3","1","5","2","1") = "4"
    & skf18("4","4","3","1","5","3","1") = "4"
    & skf18("4","4","3","1","5","4","1") = "4"
    & skf18("4","4","3","1","5","5","1") = "4"
    & skf18("4","4","3","1","5","6","1") = "5"
    & skf18("4","4","3","1","5","7","1") = "6"
    & skf18("4","4","3","1","5","8","1") = "7"
    & skf18("4","4","3","1","5","9","1") = "8"
    & skf18("4","4","3","1","5","10","1") = "9"
    & skf18("4","4","3","1","6","1","1") = "5"
    & skf18("4","4","3","1","6","2","1") = "5"
    & skf18("4","4","3","1","6","3","1") = "5"
    & skf18("4","4","3","1","6","4","1") = "5"
    & skf18("4","4","3","1","6","5","1") = "5"
    & skf18("4","4","3","1","6","6","1") = "5"
    & skf18("4","4","3","1","6","7","1") = "6"
    & skf18("4","4","3","1","6","8","1") = "7"
    & skf18("4","4","3","1","6","9","1") = "8"
    & skf18("4","4","3","1","6","10","1") = "9"
    & skf18("4","4","3","1","7","1","1") = "6"
    & skf18("4","4","3","1","7","2","1") = "6"
    & skf18("4","4","3","1","7","3","1") = "6"
    & skf18("4","4","3","1","7","4","1") = "6"
    & skf18("4","4","3","1","7","5","1") = "6"
    & skf18("4","4","3","1","7","6","1") = "6"
    & skf18("4","4","3","1","7","7","1") = "6"
    & skf18("4","4","3","1","7","8","1") = "7"
    & skf18("4","4","3","1","7","9","1") = "8"
    & skf18("4","4","3","1","7","10","1") = "9"
    & skf18("4","4","3","1","8","1","1") = "7"
    & skf18("4","4","3","1","8","2","1") = "7"
    & skf18("4","4","3","1","8","3","1") = "7"
    & skf18("4","4","3","1","8","4","1") = "7"
    & skf18("4","4","3","1","8","5","1") = "7"
    & skf18("4","4","3","1","8","6","1") = "7"
    & skf18("4","4","3","1","8","7","1") = "7"
    & skf18("4","4","3","1","8","8","1") = "7"
    & skf18("4","4","3","1","8","9","1") = "8"
    & skf18("4","4","3","1","8","10","1") = "9"
    & skf18("4","4","3","1","9","1","1") = "8"
    & skf18("4","4","3","1","9","2","1") = "8"
    & skf18("4","4","3","1","9","3","1") = "8"
    & skf18("4","4","3","1","9","4","1") = "8"
    & skf18("4","4","3","1","9","5","1") = "8"
    & skf18("4","4","3","1","9","6","1") = "8"
    & skf18("4","4","3","1","9","7","1") = "8"
    & skf18("4","4","3","1","9","8","1") = "8"
    & skf18("4","4","3","1","9","9","1") = "8"
    & skf18("4","4","3","1","9","10","1") = "9"
    & skf18("4","4","3","1","10","1","1") = "9"
    & skf18("4","4","3","1","10","2","1") = "9"
    & skf18("4","4","3","1","10","3","1") = "9"
    & skf18("4","4","3","1","10","4","1") = "9"
    & skf18("4","4","3","1","10","5","1") = "9"
    & skf18("4","4","3","1","10","6","1") = "9"
    & skf18("4","4","3","1","10","7","1") = "9"
    & skf18("4","4","3","1","10","8","1") = "9"
    & skf18("4","4","3","1","10","9","1") = "9"
    & skf18("4","4","3","1","10","10","1") = "9"
    & skf18("4","4","3","2","1","1","1") = "3"
    & skf18("4","4","3","2","1","2","1") = "3"
    & skf18("4","4","3","2","1","3","1") = "3"
    & skf18("4","4","3","2","1","4","1") = "3"
    & skf18("4","4","3","2","1","5","1") = "4"
    & skf18("4","4","3","2","1","6","1") = "5"
    & skf18("4","4","3","2","1","7","1") = "6"
    & skf18("4","4","3","2","1","8","1") = "7"
    & skf18("4","4","3","2","1","9","1") = "8"
    & skf18("4","4","3","2","1","10","1") = "9"
    & skf18("4","4","3","2","2","1","1") = "3"
    & skf18("4","4","3","2","2","2","1") = "3"
    & skf18("4","4","3","2","2","3","1") = "3"
    & skf18("4","4","3","2","2","4","1") = "3"
    & skf18("4","4","3","2","2","5","1") = "4"
    & skf18("4","4","3","2","2","6","1") = "5"
    & skf18("4","4","3","2","2","7","1") = "6"
    & skf18("4","4","3","2","2","8","1") = "7"
    & skf18("4","4","3","2","2","9","1") = "8"
    & skf18("4","4","3","2","2","10","1") = "9"
    & skf18("4","4","3","2","3","1","1") = "3"
    & skf18("4","4","3","2","3","2","1") = "3"
    & skf18("4","4","3","2","3","3","1") = "3"
    & skf18("4","4","3","2","3","4","1") = "3"
    & skf18("4","4","3","2","3","5","1") = "4"
    & skf18("4","4","3","2","3","6","1") = "5"
    & skf18("4","4","3","2","3","7","1") = "6"
    & skf18("4","4","3","2","3","8","1") = "7"
    & skf18("4","4","3","2","3","9","1") = "8"
    & skf18("4","4","3","2","3","10","1") = "9"
    & skf18("4","4","3","2","4","1","1") = "3"
    & skf18("4","4","3","2","4","2","1") = "3"
    & skf18("4","4","3","2","4","3","1") = "3"
    & skf18("4","4","3","2","4","4","1") = "3"
    & skf18("4","4","3","2","4","5","1") = "4"
    & skf18("4","4","3","2","4","6","1") = "5"
    & skf18("4","4","3","2","4","7","1") = "6"
    & skf18("4","4","3","2","4","8","1") = "7"
    & skf18("4","4","3","2","4","9","1") = "8"
    & skf18("4","4","3","2","4","10","1") = "9"
    & skf18("4","4","3","2","5","1","1") = "4"
    & skf18("4","4","3","2","5","2","1") = "4"
    & skf18("4","4","3","2","5","3","1") = "4"
    & skf18("4","4","3","2","5","4","1") = "4"
    & skf18("4","4","3","2","5","5","1") = "4"
    & skf18("4","4","3","2","5","6","1") = "5"
    & skf18("4","4","3","2","5","7","1") = "6"
    & skf18("4","4","3","2","5","8","1") = "7"
    & skf18("4","4","3","2","5","9","1") = "8"
    & skf18("4","4","3","2","5","10","1") = "9"
    & skf18("4","4","3","2","6","1","1") = "5"
    & skf18("4","4","3","2","6","2","1") = "5"
    & skf18("4","4","3","2","6","3","1") = "5"
    & skf18("4","4","3","2","6","4","1") = "5"
    & skf18("4","4","3","2","6","5","1") = "5"
    & skf18("4","4","3","2","6","6","1") = "5"
    & skf18("4","4","3","2","6","7","1") = "6"
    & skf18("4","4","3","2","6","8","1") = "7"
    & skf18("4","4","3","2","6","9","1") = "8"
    & skf18("4","4","3","2","6","10","1") = "9"
    & skf18("4","4","3","2","7","1","1") = "6"
    & skf18("4","4","3","2","7","2","1") = "6"
    & skf18("4","4","3","2","7","3","1") = "6"
    & skf18("4","4","3","2","7","4","1") = "6"
    & skf18("4","4","3","2","7","5","1") = "6"
    & skf18("4","4","3","2","7","6","1") = "6"
    & skf18("4","4","3","2","7","7","1") = "6"
    & skf18("4","4","3","2","7","8","1") = "7"
    & skf18("4","4","3","2","7","9","1") = "8"
    & skf18("4","4","3","2","7","10","1") = "9"
    & skf18("4","4","3","2","8","1","1") = "7"
    & skf18("4","4","3","2","8","2","1") = "7"
    & skf18("4","4","3","2","8","3","1") = "7"
    & skf18("4","4","3","2","8","4","1") = "7"
    & skf18("4","4","3","2","8","5","1") = "7"
    & skf18("4","4","3","2","8","6","1") = "7"
    & skf18("4","4","3","2","8","7","1") = "7"
    & skf18("4","4","3","2","8","8","1") = "7"
    & skf18("4","4","3","2","8","9","1") = "8"
    & skf18("4","4","3","2","8","10","1") = "9"
    & skf18("4","4","3","2","9","1","1") = "8"
    & skf18("4","4","3","2","9","2","1") = "8"
    & skf18("4","4","3","2","9","3","1") = "8"
    & skf18("4","4","3","2","9","4","1") = "8"
    & skf18("4","4","3","2","9","5","1") = "8"
    & skf18("4","4","3","2","9","6","1") = "8"
    & skf18("4","4","3","2","9","7","1") = "8"
    & skf18("4","4","3","2","9","8","1") = "8"
    & skf18("4","4","3","2","9","9","1") = "8"
    & skf18("4","4","3","2","9","10","1") = "9"
    & skf18("4","4","3","2","10","1","1") = "9"
    & skf18("4","4","3","2","10","2","1") = "9"
    & skf18("4","4","3","2","10","3","1") = "9"
    & skf18("4","4","3","2","10","4","1") = "9"
    & skf18("4","4","3","2","10","5","1") = "9"
    & skf18("4","4","3","2","10","6","1") = "9"
    & skf18("4","4","3","2","10","7","1") = "9"
    & skf18("4","4","3","2","10","8","1") = "9"
    & skf18("4","4","3","2","10","9","1") = "9"
    & skf18("4","4","3","2","10","10","1") = "9"
    & skf18("4","4","3","3","1","1","1") = "3"
    & skf18("4","4","3","3","1","2","1") = "3"
    & skf18("4","4","3","3","1","3","1") = "3"
    & skf18("4","4","3","3","1","4","1") = "3"
    & skf18("4","4","3","3","1","5","1") = "4"
    & skf18("4","4","3","3","1","6","1") = "5"
    & skf18("4","4","3","3","1","7","1") = "6"
    & skf18("4","4","3","3","1","8","1") = "7"
    & skf18("4","4","3","3","1","9","1") = "8"
    & skf18("4","4","3","3","1","10","1") = "9"
    & skf18("4","4","3","3","2","1","1") = "3"
    & skf18("4","4","3","3","2","2","1") = "3"
    & skf18("4","4","3","3","2","3","1") = "3"
    & skf18("4","4","3","3","2","4","1") = "3"
    & skf18("4","4","3","3","2","5","1") = "4"
    & skf18("4","4","3","3","2","6","1") = "5"
    & skf18("4","4","3","3","2","7","1") = "6"
    & skf18("4","4","3","3","2","8","1") = "7"
    & skf18("4","4","3","3","2","9","1") = "8"
    & skf18("4","4","3","3","2","10","1") = "9"
    & skf18("4","4","3","3","3","1","1") = "3"
    & skf18("4","4","3","3","3","2","1") = "3"
    & skf18("4","4","3","3","3","3","1") = "3"
    & skf18("4","4","3","3","3","4","1") = "3"
    & skf18("4","4","3","3","3","5","1") = "4"
    & skf18("4","4","3","3","3","6","1") = "5"
    & skf18("4","4","3","3","3","7","1") = "6"
    & skf18("4","4","3","3","3","8","1") = "7"
    & skf18("4","4","3","3","3","9","1") = "8"
    & skf18("4","4","3","3","3","10","1") = "9"
    & skf18("4","4","3","3","4","1","1") = "3"
    & skf18("4","4","3","3","4","2","1") = "3"
    & skf18("4","4","3","3","4","3","1") = "3"
    & skf18("4","4","3","3","4","4","1") = "3"
    & skf18("4","4","3","3","4","5","1") = "4"
    & skf18("4","4","3","3","4","6","1") = "5"
    & skf18("4","4","3","3","4","7","1") = "6"
    & skf18("4","4","3","3","4","8","1") = "7"
    & skf18("4","4","3","3","4","9","1") = "8"
    & skf18("4","4","3","3","4","10","1") = "9"
    & skf18("4","4","3","3","5","1","1") = "4"
    & skf18("4","4","3","3","5","2","1") = "4"
    & skf18("4","4","3","3","5","3","1") = "4"
    & skf18("4","4","3","3","5","4","1") = "4"
    & skf18("4","4","3","3","5","5","1") = "4"
    & skf18("4","4","3","3","5","6","1") = "5"
    & skf18("4","4","3","3","5","7","1") = "6"
    & skf18("4","4","3","3","5","8","1") = "7"
    & skf18("4","4","3","3","5","9","1") = "8"
    & skf18("4","4","3","3","5","10","1") = "9"
    & skf18("4","4","3","3","6","1","1") = "5"
    & skf18("4","4","3","3","6","2","1") = "5"
    & skf18("4","4","3","3","6","3","1") = "5"
    & skf18("4","4","3","3","6","4","1") = "5"
    & skf18("4","4","3","3","6","5","1") = "5"
    & skf18("4","4","3","3","6","6","1") = "5"
    & skf18("4","4","3","3","6","7","1") = "6"
    & skf18("4","4","3","3","6","8","1") = "7"
    & skf18("4","4","3","3","6","9","1") = "8"
    & skf18("4","4","3","3","6","10","1") = "9"
    & skf18("4","4","3","3","7","1","1") = "6"
    & skf18("4","4","3","3","7","2","1") = "6"
    & skf18("4","4","3","3","7","3","1") = "6"
    & skf18("4","4","3","3","7","4","1") = "6"
    & skf18("4","4","3","3","7","5","1") = "6"
    & skf18("4","4","3","3","7","6","1") = "6"
    & skf18("4","4","3","3","7","7","1") = "6"
    & skf18("4","4","3","3","7","8","1") = "7"
    & skf18("4","4","3","3","7","9","1") = "8"
    & skf18("4","4","3","3","7","10","1") = "9"
    & skf18("4","4","3","3","8","1","1") = "7"
    & skf18("4","4","3","3","8","2","1") = "7"
    & skf18("4","4","3","3","8","3","1") = "7"
    & skf18("4","4","3","3","8","4","1") = "7"
    & skf18("4","4","3","3","8","5","1") = "7"
    & skf18("4","4","3","3","8","6","1") = "7"
    & skf18("4","4","3","3","8","7","1") = "7"
    & skf18("4","4","3","3","8","8","1") = "7"
    & skf18("4","4","3","3","8","9","1") = "8"
    & skf18("4","4","3","3","8","10","1") = "9"
    & skf18("4","4","3","3","9","1","1") = "8"
    & skf18("4","4","3","3","9","2","1") = "8"
    & skf18("4","4","3","3","9","3","1") = "8"
    & skf18("4","4","3","3","9","4","1") = "8"
    & skf18("4","4","3","3","9","5","1") = "8"
    & skf18("4","4","3","3","9","6","1") = "8"
    & skf18("4","4","3","3","9","7","1") = "8"
    & skf18("4","4","3","3","9","8","1") = "8"
    & skf18("4","4","3","3","9","9","1") = "8"
    & skf18("4","4","3","3","9","10","1") = "9"
    & skf18("4","4","3","3","10","1","1") = "9"
    & skf18("4","4","3","3","10","2","1") = "9"
    & skf18("4","4","3","3","10","3","1") = "9"
    & skf18("4","4","3","3","10","4","1") = "9"
    & skf18("4","4","3","3","10","5","1") = "9"
    & skf18("4","4","3","3","10","6","1") = "9"
    & skf18("4","4","3","3","10","7","1") = "9"
    & skf18("4","4","3","3","10","8","1") = "9"
    & skf18("4","4","3","3","10","9","1") = "9"
    & skf18("4","4","3","3","10","10","1") = "9"
    & skf18("4","4","3","4","1","1","1") = "3"
    & skf18("4","4","3","4","1","2","1") = "3"
    & skf18("4","4","3","4","1","3","1") = "3"
    & skf18("4","4","3","4","1","4","1") = "3"
    & skf18("4","4","3","4","1","5","1") = "4"
    & skf18("4","4","3","4","1","6","1") = "5"
    & skf18("4","4","3","4","1","7","1") = "6"
    & skf18("4","4","3","4","1","8","1") = "7"
    & skf18("4","4","3","4","1","9","1") = "8"
    & skf18("4","4","3","4","1","10","1") = "9"
    & skf18("4","4","3","4","2","1","1") = "3"
    & skf18("4","4","3","4","2","2","1") = "3"
    & skf18("4","4","3","4","2","3","1") = "3"
    & skf18("4","4","3","4","2","4","1") = "3"
    & skf18("4","4","3","4","2","5","1") = "4"
    & skf18("4","4","3","4","2","6","1") = "5"
    & skf18("4","4","3","4","2","7","1") = "6"
    & skf18("4","4","3","4","2","8","1") = "7"
    & skf18("4","4","3","4","2","9","1") = "8"
    & skf18("4","4","3","4","2","10","1") = "9"
    & skf18("4","4","3","4","3","1","1") = "3"
    & skf18("4","4","3","4","3","2","1") = "3"
    & skf18("4","4","3","4","3","3","1") = "3"
    & skf18("4","4","3","4","3","4","1") = "3"
    & skf18("4","4","3","4","3","5","1") = "4"
    & skf18("4","4","3","4","3","6","1") = "5"
    & skf18("4","4","3","4","3","7","1") = "6"
    & skf18("4","4","3","4","3","8","1") = "7"
    & skf18("4","4","3","4","3","9","1") = "8"
    & skf18("4","4","3","4","3","10","1") = "9"
    & skf18("4","4","3","4","4","1","1") = "3"
    & skf18("4","4","3","4","4","2","1") = "3"
    & skf18("4","4","3","4","4","3","1") = "3"
    & skf18("4","4","3","4","4","4","1") = "3"
    & skf18("4","4","3","4","4","5","1") = "4"
    & skf18("4","4","3","4","4","6","1") = "5"
    & skf18("4","4","3","4","4","7","1") = "6"
    & skf18("4","4","3","4","4","8","1") = "7"
    & skf18("4","4","3","4","4","9","1") = "8"
    & skf18("4","4","3","4","4","10","1") = "9"
    & skf18("4","4","3","4","5","1","1") = "4"
    & skf18("4","4","3","4","5","2","1") = "4"
    & skf18("4","4","3","4","5","3","1") = "4"
    & skf18("4","4","3","4","5","4","1") = "4"
    & skf18("4","4","3","4","5","5","1") = "4"
    & skf18("4","4","3","4","5","6","1") = "5"
    & skf18("4","4","3","4","5","7","1") = "6"
    & skf18("4","4","3","4","5","8","1") = "7"
    & skf18("4","4","3","4","5","9","1") = "8"
    & skf18("4","4","3","4","5","10","1") = "9"
    & skf18("4","4","3","4","6","1","1") = "5"
    & skf18("4","4","3","4","6","2","1") = "5"
    & skf18("4","4","3","4","6","3","1") = "5"
    & skf18("4","4","3","4","6","4","1") = "5"
    & skf18("4","4","3","4","6","5","1") = "5"
    & skf18("4","4","3","4","6","6","1") = "5"
    & skf18("4","4","3","4","6","7","1") = "6"
    & skf18("4","4","3","4","6","8","1") = "7"
    & skf18("4","4","3","4","6","9","1") = "8"
    & skf18("4","4","3","4","6","10","1") = "9"
    & skf18("4","4","3","4","7","1","1") = "6"
    & skf18("4","4","3","4","7","2","1") = "6"
    & skf18("4","4","3","4","7","3","1") = "6"
    & skf18("4","4","3","4","7","4","1") = "6"
    & skf18("4","4","3","4","7","5","1") = "6"
    & skf18("4","4","3","4","7","6","1") = "6"
    & skf18("4","4","3","4","7","7","1") = "6"
    & skf18("4","4","3","4","7","8","1") = "7"
    & skf18("4","4","3","4","7","9","1") = "8"
    & skf18("4","4","3","4","7","10","1") = "9"
    & skf18("4","4","3","4","8","1","1") = "7"
    & skf18("4","4","3","4","8","2","1") = "7"
    & skf18("4","4","3","4","8","3","1") = "7"
    & skf18("4","4","3","4","8","4","1") = "7"
    & skf18("4","4","3","4","8","5","1") = "7"
    & skf18("4","4","3","4","8","6","1") = "7"
    & skf18("4","4","3","4","8","7","1") = "7"
    & skf18("4","4","3","4","8","8","1") = "7"
    & skf18("4","4","3","4","8","9","1") = "8"
    & skf18("4","4","3","4","8","10","1") = "9"
    & skf18("4","4","3","4","9","1","1") = "8"
    & skf18("4","4","3","4","9","2","1") = "8"
    & skf18("4","4","3","4","9","3","1") = "8"
    & skf18("4","4","3","4","9","4","1") = "8"
    & skf18("4","4","3","4","9","5","1") = "8"
    & skf18("4","4","3","4","9","6","1") = "8"
    & skf18("4","4","3","4","9","7","1") = "8"
    & skf18("4","4","3","4","9","8","1") = "8"
    & skf18("4","4","3","4","9","9","1") = "8"
    & skf18("4","4","3","4","9","10","1") = "9"
    & skf18("4","4","3","4","10","1","1") = "9"
    & skf18("4","4","3","4","10","2","1") = "9"
    & skf18("4","4","3","4","10","3","1") = "9"
    & skf18("4","4","3","4","10","4","1") = "9"
    & skf18("4","4","3","4","10","5","1") = "9"
    & skf18("4","4","3","4","10","6","1") = "9"
    & skf18("4","4","3","4","10","7","1") = "9"
    & skf18("4","4","3","4","10","8","1") = "9"
    & skf18("4","4","3","4","10","9","1") = "9"
    & skf18("4","4","3","4","10","10","1") = "9"
    & skf18("4","4","3","5","1","1","1") = "4"
    & skf18("4","4","3","5","1","2","1") = "4"
    & skf18("4","4","3","5","1","3","1") = "4"
    & skf18("4","4","3","5","1","4","1") = "4"
    & skf18("4","4","3","5","1","5","1") = "4"
    & skf18("4","4","3","5","1","6","1") = "5"
    & skf18("4","4","3","5","1","7","1") = "6"
    & skf18("4","4","3","5","1","8","1") = "7"
    & skf18("4","4","3","5","1","9","1") = "8"
    & skf18("4","4","3","5","1","10","1") = "9"
    & skf18("4","4","3","5","2","1","1") = "4"
    & skf18("4","4","3","5","2","2","1") = "4"
    & skf18("4","4","3","5","2","3","1") = "4"
    & skf18("4","4","3","5","2","4","1") = "4"
    & skf18("4","4","3","5","2","5","1") = "4"
    & skf18("4","4","3","5","2","6","1") = "5"
    & skf18("4","4","3","5","2","7","1") = "6"
    & skf18("4","4","3","5","2","8","1") = "7"
    & skf18("4","4","3","5","2","9","1") = "8"
    & skf18("4","4","3","5","2","10","1") = "9"
    & skf18("4","4","3","5","3","1","1") = "4"
    & skf18("4","4","3","5","3","2","1") = "4"
    & skf18("4","4","3","5","3","3","1") = "4"
    & skf18("4","4","3","5","3","4","1") = "4"
    & skf18("4","4","3","5","3","5","1") = "4"
    & skf18("4","4","3","5","3","6","1") = "5"
    & skf18("4","4","3","5","3","7","1") = "6"
    & skf18("4","4","3","5","3","8","1") = "7"
    & skf18("4","4","3","5","3","9","1") = "8"
    & skf18("4","4","3","5","3","10","1") = "9"
    & skf18("4","4","3","5","4","1","1") = "4"
    & skf18("4","4","3","5","4","2","1") = "4"
    & skf18("4","4","3","5","4","3","1") = "4"
    & skf18("4","4","3","5","4","4","1") = "4"
    & skf18("4","4","3","5","4","5","1") = "4"
    & skf18("4","4","3","5","4","6","1") = "5"
    & skf18("4","4","3","5","4","7","1") = "6"
    & skf18("4","4","3","5","4","8","1") = "7"
    & skf18("4","4","3","5","4","9","1") = "8"
    & skf18("4","4","3","5","4","10","1") = "9"
    & skf18("4","4","3","5","5","1","1") = "4"
    & skf18("4","4","3","5","5","2","1") = "4"
    & skf18("4","4","3","5","5","3","1") = "4"
    & skf18("4","4","3","5","5","4","1") = "4"
    & skf18("4","4","3","5","5","5","1") = "4"
    & skf18("4","4","3","5","5","6","1") = "5"
    & skf18("4","4","3","5","5","7","1") = "6"
    & skf18("4","4","3","5","5","8","1") = "7"
    & skf18("4","4","3","5","5","9","1") = "8"
    & skf18("4","4","3","5","5","10","1") = "9"
    & skf18("4","4","3","5","6","1","1") = "5"
    & skf18("4","4","3","5","6","2","1") = "5"
    & skf18("4","4","3","5","6","3","1") = "5"
    & skf18("4","4","3","5","6","4","1") = "5"
    & skf18("4","4","3","5","6","5","1") = "5"
    & skf18("4","4","3","5","6","6","1") = "5"
    & skf18("4","4","3","5","6","7","1") = "6"
    & skf18("4","4","3","5","6","8","1") = "7"
    & skf18("4","4","3","5","6","9","1") = "8"
    & skf18("4","4","3","5","6","10","1") = "9"
    & skf18("4","4","3","5","7","1","1") = "6"
    & skf18("4","4","3","5","7","2","1") = "6"
    & skf18("4","4","3","5","7","3","1") = "6"
    & skf18("4","4","3","5","7","4","1") = "6"
    & skf18("4","4","3","5","7","5","1") = "6"
    & skf18("4","4","3","5","7","6","1") = "6"
    & skf18("4","4","3","5","7","7","1") = "6"
    & skf18("4","4","3","5","7","8","1") = "7"
    & skf18("4","4","3","5","7","9","1") = "8"
    & skf18("4","4","3","5","7","10","1") = "9"
    & skf18("4","4","3","5","8","1","1") = "7"
    & skf18("4","4","3","5","8","2","1") = "7"
    & skf18("4","4","3","5","8","3","1") = "7"
    & skf18("4","4","3","5","8","4","1") = "7"
    & skf18("4","4","3","5","8","5","1") = "7"
    & skf18("4","4","3","5","8","6","1") = "7"
    & skf18("4","4","3","5","8","7","1") = "7"
    & skf18("4","4","3","5","8","8","1") = "7"
    & skf18("4","4","3","5","8","9","1") = "8"
    & skf18("4","4","3","5","8","10","1") = "9"
    & skf18("4","4","3","5","9","1","1") = "8"
    & skf18("4","4","3","5","9","2","1") = "8"
    & skf18("4","4","3","5","9","3","1") = "8"
    & skf18("4","4","3","5","9","4","1") = "8"
    & skf18("4","4","3","5","9","5","1") = "8"
    & skf18("4","4","3","5","9","6","1") = "8"
    & skf18("4","4","3","5","9","7","1") = "8"
    & skf18("4","4","3","5","9","8","1") = "8"
    & skf18("4","4","3","5","9","9","1") = "8"
    & skf18("4","4","3","5","9","10","1") = "9"
    & skf18("4","4","3","5","10","1","1") = "9"
    & skf18("4","4","3","5","10","2","1") = "9"
    & skf18("4","4","3","5","10","3","1") = "9"
    & skf18("4","4","3","5","10","4","1") = "9"
    & skf18("4","4","3","5","10","5","1") = "9"
    & skf18("4","4","3","5","10","6","1") = "9"
    & skf18("4","4","3","5","10","7","1") = "9"
    & skf18("4","4","3","5","10","8","1") = "9"
    & skf18("4","4","3","5","10","9","1") = "9"
    & skf18("4","4","3","5","10","10","1") = "9"
    & skf18("4","4","3","6","1","1","1") = "5"
    & skf18("4","4","3","6","1","2","1") = "5"
    & skf18("4","4","3","6","1","3","1") = "5"
    & skf18("4","4","3","6","1","4","1") = "5"
    & skf18("4","4","3","6","1","5","1") = "5"
    & skf18("4","4","3","6","1","6","1") = "5"
    & skf18("4","4","3","6","1","7","1") = "6"
    & skf18("4","4","3","6","1","8","1") = "7"
    & skf18("4","4","3","6","1","9","1") = "8"
    & skf18("4","4","3","6","1","10","1") = "9"
    & skf18("4","4","3","6","2","1","1") = "5"
    & skf18("4","4","3","6","2","2","1") = "5"
    & skf18("4","4","3","6","2","3","1") = "5"
    & skf18("4","4","3","6","2","4","1") = "5"
    & skf18("4","4","3","6","2","5","1") = "5"
    & skf18("4","4","3","6","2","6","1") = "5"
    & skf18("4","4","3","6","2","7","1") = "6"
    & skf18("4","4","3","6","2","8","1") = "7"
    & skf18("4","4","3","6","2","9","1") = "8"
    & skf18("4","4","3","6","2","10","1") = "9"
    & skf18("4","4","3","6","3","1","1") = "5"
    & skf18("4","4","3","6","3","2","1") = "5"
    & skf18("4","4","3","6","3","3","1") = "5"
    & skf18("4","4","3","6","3","4","1") = "5"
    & skf18("4","4","3","6","3","5","1") = "5"
    & skf18("4","4","3","6","3","6","1") = "5"
    & skf18("4","4","3","6","3","7","1") = "6"
    & skf18("4","4","3","6","3","8","1") = "7"
    & skf18("4","4","3","6","3","9","1") = "8"
    & skf18("4","4","3","6","3","10","1") = "9"
    & skf18("4","4","3","6","4","1","1") = "5"
    & skf18("4","4","3","6","4","2","1") = "5"
    & skf18("4","4","3","6","4","3","1") = "5"
    & skf18("4","4","3","6","4","4","1") = "5"
    & skf18("4","4","3","6","4","5","1") = "5"
    & skf18("4","4","3","6","4","6","1") = "5"
    & skf18("4","4","3","6","4","7","1") = "6"
    & skf18("4","4","3","6","4","8","1") = "7"
    & skf18("4","4","3","6","4","9","1") = "8"
    & skf18("4","4","3","6","4","10","1") = "9"
    & skf18("4","4","3","6","5","1","1") = "5"
    & skf18("4","4","3","6","5","2","1") = "5"
    & skf18("4","4","3","6","5","3","1") = "5"
    & skf18("4","4","3","6","5","4","1") = "5"
    & skf18("4","4","3","6","5","5","1") = "5"
    & skf18("4","4","3","6","5","6","1") = "5"
    & skf18("4","4","3","6","5","7","1") = "6"
    & skf18("4","4","3","6","5","8","1") = "7"
    & skf18("4","4","3","6","5","9","1") = "8"
    & skf18("4","4","3","6","5","10","1") = "9"
    & skf18("4","4","3","6","6","1","1") = "5"
    & skf18("4","4","3","6","6","2","1") = "5"
    & skf18("4","4","3","6","6","3","1") = "5"
    & skf18("4","4","3","6","6","4","1") = "5"
    & skf18("4","4","3","6","6","5","1") = "5"
    & skf18("4","4","3","6","6","6","1") = "5"
    & skf18("4","4","3","6","6","7","1") = "6"
    & skf18("4","4","3","6","6","8","1") = "7"
    & skf18("4","4","3","6","6","9","1") = "8"
    & skf18("4","4","3","6","6","10","1") = "9"
    & skf18("4","4","3","6","7","1","1") = "6"
    & skf18("4","4","3","6","7","2","1") = "6"
    & skf18("4","4","3","6","7","3","1") = "6"
    & skf18("4","4","3","6","7","4","1") = "6"
    & skf18("4","4","3","6","7","5","1") = "6"
    & skf18("4","4","3","6","7","6","1") = "6"
    & skf18("4","4","3","6","7","7","1") = "6"
    & skf18("4","4","3","6","7","8","1") = "7"
    & skf18("4","4","3","6","7","9","1") = "8"
    & skf18("4","4","3","6","7","10","1") = "9"
    & skf18("4","4","3","6","8","1","1") = "7"
    & skf18("4","4","3","6","8","2","1") = "7"
    & skf18("4","4","3","6","8","3","1") = "7"
    & skf18("4","4","3","6","8","4","1") = "7"
    & skf18("4","4","3","6","8","5","1") = "7"
    & skf18("4","4","3","6","8","6","1") = "7"
    & skf18("4","4","3","6","8","7","1") = "7"
    & skf18("4","4","3","6","8","8","1") = "7"
    & skf18("4","4","3","6","8","9","1") = "8"
    & skf18("4","4","3","6","8","10","1") = "9"
    & skf18("4","4","3","6","9","1","1") = "8"
    & skf18("4","4","3","6","9","2","1") = "8"
    & skf18("4","4","3","6","9","3","1") = "8"
    & skf18("4","4","3","6","9","4","1") = "8"
    & skf18("4","4","3","6","9","5","1") = "8"
    & skf18("4","4","3","6","9","6","1") = "8"
    & skf18("4","4","3","6","9","7","1") = "8"
    & skf18("4","4","3","6","9","8","1") = "8"
    & skf18("4","4","3","6","9","9","1") = "8"
    & skf18("4","4","3","6","9","10","1") = "9"
    & skf18("4","4","3","6","10","1","1") = "9"
    & skf18("4","4","3","6","10","2","1") = "9"
    & skf18("4","4","3","6","10","3","1") = "9"
    & skf18("4","4","3","6","10","4","1") = "9"
    & skf18("4","4","3","6","10","5","1") = "9"
    & skf18("4","4","3","6","10","6","1") = "9"
    & skf18("4","4","3","6","10","7","1") = "9"
    & skf18("4","4","3","6","10","8","1") = "9"
    & skf18("4","4","3","6","10","9","1") = "9"
    & skf18("4","4","3","6","10","10","1") = "9"
    & skf18("4","4","3","7","1","1","1") = "6"
    & skf18("4","4","3","7","1","2","1") = "6"
    & skf18("4","4","3","7","1","3","1") = "6"
    & skf18("4","4","3","7","1","4","1") = "6"
    & skf18("4","4","3","7","1","5","1") = "6"
    & skf18("4","4","3","7","1","6","1") = "6"
    & skf18("4","4","3","7","1","7","1") = "6"
    & skf18("4","4","3","7","1","8","1") = "7"
    & skf18("4","4","3","7","1","9","1") = "8"
    & skf18("4","4","3","7","1","10","1") = "9"
    & skf18("4","4","3","7","2","1","1") = "6"
    & skf18("4","4","3","7","2","2","1") = "6"
    & skf18("4","4","3","7","2","3","1") = "6"
    & skf18("4","4","3","7","2","4","1") = "6"
    & skf18("4","4","3","7","2","5","1") = "6"
    & skf18("4","4","3","7","2","6","1") = "6"
    & skf18("4","4","3","7","2","7","1") = "6"
    & skf18("4","4","3","7","2","8","1") = "7"
    & skf18("4","4","3","7","2","9","1") = "8"
    & skf18("4","4","3","7","2","10","1") = "9"
    & skf18("4","4","3","7","3","1","1") = "6"
    & skf18("4","4","3","7","3","2","1") = "6"
    & skf18("4","4","3","7","3","3","1") = "6"
    & skf18("4","4","3","7","3","4","1") = "6"
    & skf18("4","4","3","7","3","5","1") = "6"
    & skf18("4","4","3","7","3","6","1") = "6"
    & skf18("4","4","3","7","3","7","1") = "6"
    & skf18("4","4","3","7","3","8","1") = "7"
    & skf18("4","4","3","7","3","9","1") = "8"
    & skf18("4","4","3","7","3","10","1") = "9"
    & skf18("4","4","3","7","4","1","1") = "6"
    & skf18("4","4","3","7","4","2","1") = "6"
    & skf18("4","4","3","7","4","3","1") = "6"
    & skf18("4","4","3","7","4","4","1") = "6"
    & skf18("4","4","3","7","4","5","1") = "6"
    & skf18("4","4","3","7","4","6","1") = "6"
    & skf18("4","4","3","7","4","7","1") = "6"
    & skf18("4","4","3","7","4","8","1") = "7"
    & skf18("4","4","3","7","4","9","1") = "8"
    & skf18("4","4","3","7","4","10","1") = "9"
    & skf18("4","4","3","7","5","1","1") = "6"
    & skf18("4","4","3","7","5","2","1") = "6"
    & skf18("4","4","3","7","5","3","1") = "6"
    & skf18("4","4","3","7","5","4","1") = "6"
    & skf18("4","4","3","7","5","5","1") = "6"
    & skf18("4","4","3","7","5","6","1") = "6"
    & skf18("4","4","3","7","5","7","1") = "6"
    & skf18("4","4","3","7","5","8","1") = "7"
    & skf18("4","4","3","7","5","9","1") = "8"
    & skf18("4","4","3","7","5","10","1") = "9"
    & skf18("4","4","3","7","6","1","1") = "6"
    & skf18("4","4","3","7","6","2","1") = "6"
    & skf18("4","4","3","7","6","3","1") = "6"
    & skf18("4","4","3","7","6","4","1") = "6"
    & skf18("4","4","3","7","6","5","1") = "6"
    & skf18("4","4","3","7","6","6","1") = "6"
    & skf18("4","4","3","7","6","7","1") = "6"
    & skf18("4","4","3","7","6","8","1") = "7"
    & skf18("4","4","3","7","6","9","1") = "8"
    & skf18("4","4","3","7","6","10","1") = "9"
    & skf18("4","4","3","7","7","1","1") = "6"
    & skf18("4","4","3","7","7","2","1") = "6"
    & skf18("4","4","3","7","7","3","1") = "6"
    & skf18("4","4","3","7","7","4","1") = "6"
    & skf18("4","4","3","7","7","5","1") = "6"
    & skf18("4","4","3","7","7","6","1") = "6"
    & skf18("4","4","3","7","7","7","1") = "6"
    & skf18("4","4","3","7","7","8","1") = "7"
    & skf18("4","4","3","7","7","9","1") = "8"
    & skf18("4","4","3","7","7","10","1") = "9"
    & skf18("4","4","3","7","8","1","1") = "7"
    & skf18("4","4","3","7","8","2","1") = "7"
    & skf18("4","4","3","7","8","3","1") = "7"
    & skf18("4","4","3","7","8","4","1") = "7"
    & skf18("4","4","3","7","8","5","1") = "7"
    & skf18("4","4","3","7","8","6","1") = "7"
    & skf18("4","4","3","7","8","7","1") = "7"
    & skf18("4","4","3","7","8","8","1") = "7"
    & skf18("4","4","3","7","8","9","1") = "8"
    & skf18("4","4","3","7","8","10","1") = "9"
    & skf18("4","4","3","7","9","1","1") = "8"
    & skf18("4","4","3","7","9","2","1") = "8"
    & skf18("4","4","3","7","9","3","1") = "8"
    & skf18("4","4","3","7","9","4","1") = "8"
    & skf18("4","4","3","7","9","5","1") = "8"
    & skf18("4","4","3","7","9","6","1") = "8"
    & skf18("4","4","3","7","9","7","1") = "8"
    & skf18("4","4","3","7","9","8","1") = "8"
    & skf18("4","4","3","7","9","9","1") = "8"
    & skf18("4","4","3","7","9","10","1") = "9"
    & skf18("4","4","3","7","10","1","1") = "9"
    & skf18("4","4","3","7","10","2","1") = "9"
    & skf18("4","4","3","7","10","3","1") = "9"
    & skf18("4","4","3","7","10","4","1") = "9"
    & skf18("4","4","3","7","10","5","1") = "9"
    & skf18("4","4","3","7","10","6","1") = "9"
    & skf18("4","4","3","7","10","7","1") = "9"
    & skf18("4","4","3","7","10","8","1") = "9"
    & skf18("4","4","3","7","10","9","1") = "9"
    & skf18("4","4","3","7","10","10","1") = "9"
    & skf18("4","4","3","8","1","1","1") = "7"
    & skf18("4","4","3","8","1","2","1") = "7"
    & skf18("4","4","3","8","1","3","1") = "7"
    & skf18("4","4","3","8","1","4","1") = "7"
    & skf18("4","4","3","8","1","5","1") = "7"
    & skf18("4","4","3","8","1","6","1") = "7"
    & skf18("4","4","3","8","1","7","1") = "7"
    & skf18("4","4","3","8","1","8","1") = "7"
    & skf18("4","4","3","8","1","9","1") = "8"
    & skf18("4","4","3","8","1","10","1") = "9"
    & skf18("4","4","3","8","2","1","1") = "7"
    & skf18("4","4","3","8","2","2","1") = "7"
    & skf18("4","4","3","8","2","3","1") = "7"
    & skf18("4","4","3","8","2","4","1") = "7"
    & skf18("4","4","3","8","2","5","1") = "7"
    & skf18("4","4","3","8","2","6","1") = "7"
    & skf18("4","4","3","8","2","7","1") = "7"
    & skf18("4","4","3","8","2","8","1") = "7"
    & skf18("4","4","3","8","2","9","1") = "8"
    & skf18("4","4","3","8","2","10","1") = "9"
    & skf18("4","4","3","8","3","1","1") = "7"
    & skf18("4","4","3","8","3","2","1") = "7"
    & skf18("4","4","3","8","3","3","1") = "7"
    & skf18("4","4","3","8","3","4","1") = "7"
    & skf18("4","4","3","8","3","5","1") = "7"
    & skf18("4","4","3","8","3","6","1") = "7"
    & skf18("4","4","3","8","3","7","1") = "7"
    & skf18("4","4","3","8","3","8","1") = "7"
    & skf18("4","4","3","8","3","9","1") = "8"
    & skf18("4","4","3","8","3","10","1") = "9"
    & skf18("4","4","3","8","4","1","1") = "7"
    & skf18("4","4","3","8","4","2","1") = "7"
    & skf18("4","4","3","8","4","3","1") = "7"
    & skf18("4","4","3","8","4","4","1") = "7"
    & skf18("4","4","3","8","4","5","1") = "7"
    & skf18("4","4","3","8","4","6","1") = "7"
    & skf18("4","4","3","8","4","7","1") = "7"
    & skf18("4","4","3","8","4","8","1") = "7"
    & skf18("4","4","3","8","4","9","1") = "8"
    & skf18("4","4","3","8","4","10","1") = "9"
    & skf18("4","4","3","8","5","1","1") = "7"
    & skf18("4","4","3","8","5","2","1") = "7"
    & skf18("4","4","3","8","5","3","1") = "7"
    & skf18("4","4","3","8","5","4","1") = "7"
    & skf18("4","4","3","8","5","5","1") = "7"
    & skf18("4","4","3","8","5","6","1") = "7"
    & skf18("4","4","3","8","5","7","1") = "7"
    & skf18("4","4","3","8","5","8","1") = "7"
    & skf18("4","4","3","8","5","9","1") = "8"
    & skf18("4","4","3","8","5","10","1") = "9"
    & skf18("4","4","3","8","6","1","1") = "7"
    & skf18("4","4","3","8","6","2","1") = "7"
    & skf18("4","4","3","8","6","3","1") = "7"
    & skf18("4","4","3","8","6","4","1") = "7"
    & skf18("4","4","3","8","6","5","1") = "7"
    & skf18("4","4","3","8","6","6","1") = "7"
    & skf18("4","4","3","8","6","7","1") = "7"
    & skf18("4","4","3","8","6","8","1") = "7"
    & skf18("4","4","3","8","6","9","1") = "8"
    & skf18("4","4","3","8","6","10","1") = "9"
    & skf18("4","4","3","8","7","1","1") = "7"
    & skf18("4","4","3","8","7","2","1") = "7"
    & skf18("4","4","3","8","7","3","1") = "7"
    & skf18("4","4","3","8","7","4","1") = "7"
    & skf18("4","4","3","8","7","5","1") = "7"
    & skf18("4","4","3","8","7","6","1") = "7"
    & skf18("4","4","3","8","7","7","1") = "7"
    & skf18("4","4","3","8","7","8","1") = "7"
    & skf18("4","4","3","8","7","9","1") = "8"
    & skf18("4","4","3","8","7","10","1") = "9"
    & skf18("4","4","3","8","8","1","1") = "7"
    & skf18("4","4","3","8","8","2","1") = "7"
    & skf18("4","4","3","8","8","3","1") = "7"
    & skf18("4","4","3","8","8","4","1") = "7"
    & skf18("4","4","3","8","8","5","1") = "7"
    & skf18("4","4","3","8","8","6","1") = "7"
    & skf18("4","4","3","8","8","7","1") = "7"
    & skf18("4","4","3","8","8","8","1") = "7"
    & skf18("4","4","3","8","8","9","1") = "8"
    & skf18("4","4","3","8","8","10","1") = "9"
    & skf18("4","4","3","8","9","1","1") = "8"
    & skf18("4","4","3","8","9","2","1") = "8"
    & skf18("4","4","3","8","9","3","1") = "8"
    & skf18("4","4","3","8","9","4","1") = "8"
    & skf18("4","4","3","8","9","5","1") = "8"
    & skf18("4","4","3","8","9","6","1") = "8"
    & skf18("4","4","3","8","9","7","1") = "8"
    & skf18("4","4","3","8","9","8","1") = "8"
    & skf18("4","4","3","8","9","9","1") = "8"
    & skf18("4","4","3","8","9","10","1") = "9"
    & skf18("4","4","3","8","10","1","1") = "9"
    & skf18("4","4","3","8","10","2","1") = "9"
    & skf18("4","4","3","8","10","3","1") = "9"
    & skf18("4","4","3","8","10","4","1") = "9"
    & skf18("4","4","3","8","10","5","1") = "9"
    & skf18("4","4","3","8","10","6","1") = "9"
    & skf18("4","4","3","8","10","7","1") = "9"
    & skf18("4","4","3","8","10","8","1") = "9"
    & skf18("4","4","3","8","10","9","1") = "9"
    & skf18("4","4","3","8","10","10","1") = "9"
    & skf18("4","4","3","9","1","1","1") = "8"
    & skf18("4","4","3","9","1","2","1") = "8"
    & skf18("4","4","3","9","1","3","1") = "8"
    & skf18("4","4","3","9","1","4","1") = "8"
    & skf18("4","4","3","9","1","5","1") = "8"
    & skf18("4","4","3","9","1","6","1") = "8"
    & skf18("4","4","3","9","1","7","1") = "8"
    & skf18("4","4","3","9","1","8","1") = "8"
    & skf18("4","4","3","9","1","9","1") = "8"
    & skf18("4","4","3","9","1","10","1") = "9"
    & skf18("4","4","3","9","2","1","1") = "8"
    & skf18("4","4","3","9","2","2","1") = "8"
    & skf18("4","4","3","9","2","3","1") = "8"
    & skf18("4","4","3","9","2","4","1") = "8"
    & skf18("4","4","3","9","2","5","1") = "8"
    & skf18("4","4","3","9","2","6","1") = "8"
    & skf18("4","4","3","9","2","7","1") = "8"
    & skf18("4","4","3","9","2","8","1") = "8"
    & skf18("4","4","3","9","2","9","1") = "8"
    & skf18("4","4","3","9","2","10","1") = "9"
    & skf18("4","4","3","9","3","1","1") = "8"
    & skf18("4","4","3","9","3","2","1") = "8"
    & skf18("4","4","3","9","3","3","1") = "8"
    & skf18("4","4","3","9","3","4","1") = "8"
    & skf18("4","4","3","9","3","5","1") = "8"
    & skf18("4","4","3","9","3","6","1") = "8"
    & skf18("4","4","3","9","3","7","1") = "8"
    & skf18("4","4","3","9","3","8","1") = "8"
    & skf18("4","4","3","9","3","9","1") = "8"
    & skf18("4","4","3","9","3","10","1") = "9"
    & skf18("4","4","3","9","4","1","1") = "8"
    & skf18("4","4","3","9","4","2","1") = "8"
    & skf18("4","4","3","9","4","3","1") = "8"
    & skf18("4","4","3","9","4","4","1") = "8"
    & skf18("4","4","3","9","4","5","1") = "8"
    & skf18("4","4","3","9","4","6","1") = "8"
    & skf18("4","4","3","9","4","7","1") = "8"
    & skf18("4","4","3","9","4","8","1") = "8"
    & skf18("4","4","3","9","4","9","1") = "8"
    & skf18("4","4","3","9","4","10","1") = "9"
    & skf18("4","4","3","9","5","1","1") = "8"
    & skf18("4","4","3","9","5","2","1") = "8"
    & skf18("4","4","3","9","5","3","1") = "8"
    & skf18("4","4","3","9","5","4","1") = "8"
    & skf18("4","4","3","9","5","5","1") = "8"
    & skf18("4","4","3","9","5","6","1") = "8"
    & skf18("4","4","3","9","5","7","1") = "8"
    & skf18("4","4","3","9","5","8","1") = "8"
    & skf18("4","4","3","9","5","9","1") = "8"
    & skf18("4","4","3","9","5","10","1") = "9"
    & skf18("4","4","3","9","6","1","1") = "8"
    & skf18("4","4","3","9","6","2","1") = "8"
    & skf18("4","4","3","9","6","3","1") = "8"
    & skf18("4","4","3","9","6","4","1") = "8"
    & skf18("4","4","3","9","6","5","1") = "8"
    & skf18("4","4","3","9","6","6","1") = "8"
    & skf18("4","4","3","9","6","7","1") = "8"
    & skf18("4","4","3","9","6","8","1") = "8"
    & skf18("4","4","3","9","6","9","1") = "8"
    & skf18("4","4","3","9","6","10","1") = "9"
    & skf18("4","4","3","9","7","1","1") = "8"
    & skf18("4","4","3","9","7","2","1") = "8"
    & skf18("4","4","3","9","7","3","1") = "8"
    & skf18("4","4","3","9","7","4","1") = "8"
    & skf18("4","4","3","9","7","5","1") = "8"
    & skf18("4","4","3","9","7","6","1") = "8"
    & skf18("4","4","3","9","7","7","1") = "8"
    & skf18("4","4","3","9","7","8","1") = "8"
    & skf18("4","4","3","9","7","9","1") = "8"
    & skf18("4","4","3","9","7","10","1") = "9"
    & skf18("4","4","3","9","8","1","1") = "8"
    & skf18("4","4","3","9","8","2","1") = "8"
    & skf18("4","4","3","9","8","3","1") = "8"
    & skf18("4","4","3","9","8","4","1") = "8"
    & skf18("4","4","3","9","8","5","1") = "8"
    & skf18("4","4","3","9","8","6","1") = "8"
    & skf18("4","4","3","9","8","7","1") = "8"
    & skf18("4","4","3","9","8","8","1") = "8"
    & skf18("4","4","3","9","8","9","1") = "8"
    & skf18("4","4","3","9","8","10","1") = "9"
    & skf18("4","4","3","9","9","1","1") = "8"
    & skf18("4","4","3","9","9","2","1") = "8"
    & skf18("4","4","3","9","9","3","1") = "8"
    & skf18("4","4","3","9","9","4","1") = "8"
    & skf18("4","4","3","9","9","5","1") = "8"
    & skf18("4","4","3","9","9","6","1") = "8"
    & skf18("4","4","3","9","9","7","1") = "8"
    & skf18("4","4","3","9","9","8","1") = "8"
    & skf18("4","4","3","9","9","9","1") = "8"
    & skf18("4","4","3","9","9","10","1") = "9"
    & skf18("4","4","3","9","10","1","1") = "9"
    & skf18("4","4","3","9","10","2","1") = "9"
    & skf18("4","4","3","9","10","3","1") = "9"
    & skf18("4","4","3","9","10","4","1") = "9"
    & skf18("4","4","3","9","10","5","1") = "9"
    & skf18("4","4","3","9","10","6","1") = "9"
    & skf18("4","4","3","9","10","7","1") = "9"
    & skf18("4","4","3","9","10","8","1") = "9"
    & skf18("4","4","3","9","10","9","1") = "9"
    & skf18("4","4","3","9","10","10","1") = "9"
    & skf18("4","4","3","10","1","1","1") = "9"
    & skf18("4","4","3","10","1","2","1") = "9"
    & skf18("4","4","3","10","1","3","1") = "9"
    & skf18("4","4","3","10","1","4","1") = "9"
    & skf18("4","4","3","10","1","5","1") = "9"
    & skf18("4","4","3","10","1","6","1") = "9"
    & skf18("4","4","3","10","1","7","1") = "9"
    & skf18("4","4","3","10","1","8","1") = "9"
    & skf18("4","4","3","10","1","9","1") = "9"
    & skf18("4","4","3","10","1","10","1") = "9"
    & skf18("4","4","3","10","2","1","1") = "9"
    & skf18("4","4","3","10","2","2","1") = "9"
    & skf18("4","4","3","10","2","3","1") = "9"
    & skf18("4","4","3","10","2","4","1") = "9"
    & skf18("4","4","3","10","2","5","1") = "9"
    & skf18("4","4","3","10","2","6","1") = "9"
    & skf18("4","4","3","10","2","7","1") = "9"
    & skf18("4","4","3","10","2","8","1") = "9"
    & skf18("4","4","3","10","2","9","1") = "9"
    & skf18("4","4","3","10","2","10","1") = "9"
    & skf18("4","4","3","10","3","1","1") = "9"
    & skf18("4","4","3","10","3","2","1") = "9"
    & skf18("4","4","3","10","3","3","1") = "9"
    & skf18("4","4","3","10","3","4","1") = "9"
    & skf18("4","4","3","10","3","5","1") = "9"
    & skf18("4","4","3","10","3","6","1") = "9"
    & skf18("4","4","3","10","3","7","1") = "9"
    & skf18("4","4","3","10","3","8","1") = "9"
    & skf18("4","4","3","10","3","9","1") = "9"
    & skf18("4","4","3","10","3","10","1") = "9"
    & skf18("4","4","3","10","4","1","1") = "9"
    & skf18("4","4","3","10","4","2","1") = "9"
    & skf18("4","4","3","10","4","3","1") = "9"
    & skf18("4","4","3","10","4","4","1") = "9"
    & skf18("4","4","3","10","4","5","1") = "9"
    & skf18("4","4","3","10","4","6","1") = "9"
    & skf18("4","4","3","10","4","7","1") = "9"
    & skf18("4","4","3","10","4","8","1") = "9"
    & skf18("4","4","3","10","4","9","1") = "9"
    & skf18("4","4","3","10","4","10","1") = "9"
    & skf18("4","4","3","10","5","1","1") = "9"
    & skf18("4","4","3","10","5","2","1") = "9"
    & skf18("4","4","3","10","5","3","1") = "9"
    & skf18("4","4","3","10","5","4","1") = "9"
    & skf18("4","4","3","10","5","5","1") = "9"
    & skf18("4","4","3","10","5","6","1") = "9"
    & skf18("4","4","3","10","5","7","1") = "9"
    & skf18("4","4","3","10","5","8","1") = "9"
    & skf18("4","4","3","10","5","9","1") = "9"
    & skf18("4","4","3","10","5","10","1") = "9"
    & skf18("4","4","3","10","6","1","1") = "9"
    & skf18("4","4","3","10","6","2","1") = "9"
    & skf18("4","4","3","10","6","3","1") = "9"
    & skf18("4","4","3","10","6","4","1") = "9"
    & skf18("4","4","3","10","6","5","1") = "9"
    & skf18("4","4","3","10","6","6","1") = "9"
    & skf18("4","4","3","10","6","7","1") = "9"
    & skf18("4","4","3","10","6","8","1") = "9"
    & skf18("4","4","3","10","6","9","1") = "9"
    & skf18("4","4","3","10","6","10","1") = "9"
    & skf18("4","4","3","10","7","1","1") = "9"
    & skf18("4","4","3","10","7","2","1") = "9"
    & skf18("4","4","3","10","7","3","1") = "9"
    & skf18("4","4","3","10","7","4","1") = "9"
    & skf18("4","4","3","10","7","5","1") = "9"
    & skf18("4","4","3","10","7","6","1") = "9"
    & skf18("4","4","3","10","7","7","1") = "9"
    & skf18("4","4","3","10","7","8","1") = "9"
    & skf18("4","4","3","10","7","9","1") = "9"
    & skf18("4","4","3","10","7","10","1") = "9"
    & skf18("4","4","3","10","8","1","1") = "9"
    & skf18("4","4","3","10","8","2","1") = "9"
    & skf18("4","4","3","10","8","3","1") = "9"
    & skf18("4","4","3","10","8","4","1") = "9"
    & skf18("4","4","3","10","8","5","1") = "9"
    & skf18("4","4","3","10","8","6","1") = "9"
    & skf18("4","4","3","10","8","7","1") = "9"
    & skf18("4","4","3","10","8","8","1") = "9"
    & skf18("4","4","3","10","8","9","1") = "9"
    & skf18("4","4","3","10","8","10","1") = "9"
    & skf18("4","4","3","10","9","1","1") = "9"
    & skf18("4","4","3","10","9","2","1") = "9"
    & skf18("4","4","3","10","9","3","1") = "9"
    & skf18("4","4","3","10","9","4","1") = "9"
    & skf18("4","4","3","10","9","5","1") = "9"
    & skf18("4","4","3","10","9","6","1") = "9"
    & skf18("4","4","3","10","9","7","1") = "9"
    & skf18("4","4","3","10","9","8","1") = "9"
    & skf18("4","4","3","10","9","9","1") = "9"
    & skf18("4","4","3","10","9","10","1") = "9"
    & skf18("4","4","3","10","10","1","1") = "9"
    & skf18("4","4","3","10","10","2","1") = "9"
    & skf18("4","4","3","10","10","3","1") = "9"
    & skf18("4","4","3","10","10","4","1") = "9"
    & skf18("4","4","3","10","10","5","1") = "9"
    & skf18("4","4","3","10","10","6","1") = "9"
    & skf18("4","4","3","10","10","7","1") = "9"
    & skf18("4","4","3","10","10","8","1") = "9"
    & skf18("4","4","3","10","10","9","1") = "9"
    & skf18("4","4","3","10","10","10","1") = "9"
    & skf18("4","4","4","1","1","1","1") = "3"
    & skf18("4","4","4","1","1","2","1") = "3"
    & skf18("4","4","4","1","1","3","1") = "3"
    & skf18("4","4","4","1","1","4","1") = "3"
    & skf18("4","4","4","1","1","5","1") = "4"
    & skf18("4","4","4","1","1","6","1") = "5"
    & skf18("4","4","4","1","1","7","1") = "6"
    & skf18("4","4","4","1","1","8","1") = "7"
    & skf18("4","4","4","1","1","9","1") = "8"
    & skf18("4","4","4","1","1","10","1") = "9"
    & skf18("4","4","4","1","2","1","1") = "3"
    & skf18("4","4","4","1","2","2","1") = "3"
    & skf18("4","4","4","1","2","3","1") = "3"
    & skf18("4","4","4","1","2","4","1") = "3"
    & skf18("4","4","4","1","2","5","1") = "4"
    & skf18("4","4","4","1","2","6","1") = "5"
    & skf18("4","4","4","1","2","7","1") = "6"
    & skf18("4","4","4","1","2","8","1") = "7"
    & skf18("4","4","4","1","2","9","1") = "8"
    & skf18("4","4","4","1","2","10","1") = "9"
    & skf18("4","4","4","1","3","1","1") = "3"
    & skf18("4","4","4","1","3","2","1") = "3"
    & skf18("4","4","4","1","3","3","1") = "3"
    & skf18("4","4","4","1","3","4","1") = "3"
    & skf18("4","4","4","1","3","5","1") = "4"
    & skf18("4","4","4","1","3","6","1") = "5"
    & skf18("4","4","4","1","3","7","1") = "6"
    & skf18("4","4","4","1","3","8","1") = "7"
    & skf18("4","4","4","1","3","9","1") = "8"
    & skf18("4","4","4","1","3","10","1") = "9"
    & skf18("4","4","4","1","4","1","1") = "3"
    & skf18("4","4","4","1","4","2","1") = "3"
    & skf18("4","4","4","1","4","3","1") = "3"
    & skf18("4","4","4","1","4","4","1") = "3"
    & skf18("4","4","4","1","4","5","1") = "4"
    & skf18("4","4","4","1","4","6","1") = "5"
    & skf18("4","4","4","1","4","7","1") = "6"
    & skf18("4","4","4","1","4","8","1") = "7"
    & skf18("4","4","4","1","4","9","1") = "8"
    & skf18("4","4","4","1","4","10","1") = "9"
    & skf18("4","4","4","1","5","1","1") = "4"
    & skf18("4","4","4","1","5","2","1") = "4"
    & skf18("4","4","4","1","5","3","1") = "4"
    & skf18("4","4","4","1","5","4","1") = "4"
    & skf18("4","4","4","1","5","5","1") = "4"
    & skf18("4","4","4","1","5","6","1") = "5"
    & skf18("4","4","4","1","5","7","1") = "6"
    & skf18("4","4","4","1","5","8","1") = "7"
    & skf18("4","4","4","1","5","9","1") = "8"
    & skf18("4","4","4","1","5","10","1") = "9"
    & skf18("4","4","4","1","6","1","1") = "5"
    & skf18("4","4","4","1","6","2","1") = "5"
    & skf18("4","4","4","1","6","3","1") = "5"
    & skf18("4","4","4","1","6","4","1") = "5"
    & skf18("4","4","4","1","6","5","1") = "5"
    & skf18("4","4","4","1","6","6","1") = "5"
    & skf18("4","4","4","1","6","7","1") = "6"
    & skf18("4","4","4","1","6","8","1") = "7"
    & skf18("4","4","4","1","6","9","1") = "8"
    & skf18("4","4","4","1","6","10","1") = "9"
    & skf18("4","4","4","1","7","1","1") = "6"
    & skf18("4","4","4","1","7","2","1") = "6"
    & skf18("4","4","4","1","7","3","1") = "6"
    & skf18("4","4","4","1","7","4","1") = "6"
    & skf18("4","4","4","1","7","5","1") = "6"
    & skf18("4","4","4","1","7","6","1") = "6"
    & skf18("4","4","4","1","7","7","1") = "6"
    & skf18("4","4","4","1","7","8","1") = "7"
    & skf18("4","4","4","1","7","9","1") = "8"
    & skf18("4","4","4","1","7","10","1") = "9"
    & skf18("4","4","4","1","8","1","1") = "7"
    & skf18("4","4","4","1","8","2","1") = "7"
    & skf18("4","4","4","1","8","3","1") = "7"
    & skf18("4","4","4","1","8","4","1") = "7"
    & skf18("4","4","4","1","8","5","1") = "7"
    & skf18("4","4","4","1","8","6","1") = "7"
    & skf18("4","4","4","1","8","7","1") = "7"
    & skf18("4","4","4","1","8","8","1") = "7"
    & skf18("4","4","4","1","8","9","1") = "8"
    & skf18("4","4","4","1","8","10","1") = "9"
    & skf18("4","4","4","1","9","1","1") = "8"
    & skf18("4","4","4","1","9","2","1") = "8"
    & skf18("4","4","4","1","9","3","1") = "8"
    & skf18("4","4","4","1","9","4","1") = "8"
    & skf18("4","4","4","1","9","5","1") = "8"
    & skf18("4","4","4","1","9","6","1") = "8"
    & skf18("4","4","4","1","9","7","1") = "8"
    & skf18("4","4","4","1","9","8","1") = "8"
    & skf18("4","4","4","1","9","9","1") = "8"
    & skf18("4","4","4","1","9","10","1") = "9"
    & skf18("4","4","4","1","10","1","1") = "9"
    & skf18("4","4","4","1","10","2","1") = "9"
    & skf18("4","4","4","1","10","3","1") = "9"
    & skf18("4","4","4","1","10","4","1") = "9"
    & skf18("4","4","4","1","10","5","1") = "9"
    & skf18("4","4","4","1","10","6","1") = "9"
    & skf18("4","4","4","1","10","7","1") = "9"
    & skf18("4","4","4","1","10","8","1") = "9"
    & skf18("4","4","4","1","10","9","1") = "9"
    & skf18("4","4","4","1","10","10","1") = "9"
    & skf18("4","4","4","2","1","1","1") = "3"
    & skf18("4","4","4","2","1","2","1") = "3"
    & skf18("4","4","4","2","1","3","1") = "3"
    & skf18("4","4","4","2","1","4","1") = "3"
    & skf18("4","4","4","2","1","5","1") = "4"
    & skf18("4","4","4","2","1","6","1") = "5"
    & skf18("4","4","4","2","1","7","1") = "6"
    & skf18("4","4","4","2","1","8","1") = "7"
    & skf18("4","4","4","2","1","9","1") = "8"
    & skf18("4","4","4","2","1","10","1") = "9"
    & skf18("4","4","4","2","2","1","1") = "3"
    & skf18("4","4","4","2","2","2","1") = "3"
    & skf18("4","4","4","2","2","3","1") = "3"
    & skf18("4","4","4","2","2","4","1") = "3"
    & skf18("4","4","4","2","2","5","1") = "4"
    & skf18("4","4","4","2","2","6","1") = "5"
    & skf18("4","4","4","2","2","7","1") = "6"
    & skf18("4","4","4","2","2","8","1") = "7"
    & skf18("4","4","4","2","2","9","1") = "8"
    & skf18("4","4","4","2","2","10","1") = "9"
    & skf18("4","4","4","2","3","1","1") = "3"
    & skf18("4","4","4","2","3","2","1") = "3"
    & skf18("4","4","4","2","3","3","1") = "3"
    & skf18("4","4","4","2","3","4","1") = "3"
    & skf18("4","4","4","2","3","5","1") = "4"
    & skf18("4","4","4","2","3","6","1") = "5"
    & skf18("4","4","4","2","3","7","1") = "6"
    & skf18("4","4","4","2","3","8","1") = "7"
    & skf18("4","4","4","2","3","9","1") = "8"
    & skf18("4","4","4","2","3","10","1") = "9"
    & skf18("4","4","4","2","4","1","1") = "3"
    & skf18("4","4","4","2","4","2","1") = "3"
    & skf18("4","4","4","2","4","3","1") = "3"
    & skf18("4","4","4","2","4","4","1") = "3"
    & skf18("4","4","4","2","4","5","1") = "4"
    & skf18("4","4","4","2","4","6","1") = "5"
    & skf18("4","4","4","2","4","7","1") = "6"
    & skf18("4","4","4","2","4","8","1") = "7"
    & skf18("4","4","4","2","4","9","1") = "8"
    & skf18("4","4","4","2","4","10","1") = "9"
    & skf18("4","4","4","2","5","1","1") = "4"
    & skf18("4","4","4","2","5","2","1") = "4"
    & skf18("4","4","4","2","5","3","1") = "4"
    & skf18("4","4","4","2","5","4","1") = "4"
    & skf18("4","4","4","2","5","5","1") = "4"
    & skf18("4","4","4","2","5","6","1") = "5"
    & skf18("4","4","4","2","5","7","1") = "6"
    & skf18("4","4","4","2","5","8","1") = "7"
    & skf18("4","4","4","2","5","9","1") = "8"
    & skf18("4","4","4","2","5","10","1") = "9"
    & skf18("4","4","4","2","6","1","1") = "5"
    & skf18("4","4","4","2","6","2","1") = "5"
    & skf18("4","4","4","2","6","3","1") = "5"
    & skf18("4","4","4","2","6","4","1") = "5"
    & skf18("4","4","4","2","6","5","1") = "5"
    & skf18("4","4","4","2","6","6","1") = "5"
    & skf18("4","4","4","2","6","7","1") = "6"
    & skf18("4","4","4","2","6","8","1") = "7"
    & skf18("4","4","4","2","6","9","1") = "8"
    & skf18("4","4","4","2","6","10","1") = "9"
    & skf18("4","4","4","2","7","1","1") = "6"
    & skf18("4","4","4","2","7","2","1") = "6"
    & skf18("4","4","4","2","7","3","1") = "6"
    & skf18("4","4","4","2","7","4","1") = "6"
    & skf18("4","4","4","2","7","5","1") = "6"
    & skf18("4","4","4","2","7","6","1") = "6"
    & skf18("4","4","4","2","7","7","1") = "6"
    & skf18("4","4","4","2","7","8","1") = "7"
    & skf18("4","4","4","2","7","9","1") = "8"
    & skf18("4","4","4","2","7","10","1") = "9"
    & skf18("4","4","4","2","8","1","1") = "7"
    & skf18("4","4","4","2","8","2","1") = "7"
    & skf18("4","4","4","2","8","3","1") = "7"
    & skf18("4","4","4","2","8","4","1") = "7"
    & skf18("4","4","4","2","8","5","1") = "7"
    & skf18("4","4","4","2","8","6","1") = "7"
    & skf18("4","4","4","2","8","7","1") = "7"
    & skf18("4","4","4","2","8","8","1") = "7"
    & skf18("4","4","4","2","8","9","1") = "8"
    & skf18("4","4","4","2","8","10","1") = "9"
    & skf18("4","4","4","2","9","1","1") = "8"
    & skf18("4","4","4","2","9","2","1") = "8"
    & skf18("4","4","4","2","9","3","1") = "8"
    & skf18("4","4","4","2","9","4","1") = "8"
    & skf18("4","4","4","2","9","5","1") = "8"
    & skf18("4","4","4","2","9","6","1") = "8"
    & skf18("4","4","4","2","9","7","1") = "8"
    & skf18("4","4","4","2","9","8","1") = "8"
    & skf18("4","4","4","2","9","9","1") = "8"
    & skf18("4","4","4","2","9","10","1") = "9"
    & skf18("4","4","4","2","10","1","1") = "9"
    & skf18("4","4","4","2","10","2","1") = "9"
    & skf18("4","4","4","2","10","3","1") = "9"
    & skf18("4","4","4","2","10","4","1") = "9"
    & skf18("4","4","4","2","10","5","1") = "9"
    & skf18("4","4","4","2","10","6","1") = "9"
    & skf18("4","4","4","2","10","7","1") = "9"
    & skf18("4","4","4","2","10","8","1") = "9"
    & skf18("4","4","4","2","10","9","1") = "9"
    & skf18("4","4","4","2","10","10","1") = "9"
    & skf18("4","4","4","3","1","1","1") = "3"
    & skf18("4","4","4","3","1","2","1") = "3"
    & skf18("4","4","4","3","1","3","1") = "3"
    & skf18("4","4","4","3","1","4","1") = "3"
    & skf18("4","4","4","3","1","5","1") = "4"
    & skf18("4","4","4","3","1","6","1") = "5"
    & skf18("4","4","4","3","1","7","1") = "6"
    & skf18("4","4","4","3","1","8","1") = "7"
    & skf18("4","4","4","3","1","9","1") = "8"
    & skf18("4","4","4","3","1","10","1") = "9"
    & skf18("4","4","4","3","2","1","1") = "3"
    & skf18("4","4","4","3","2","2","1") = "3"
    & skf18("4","4","4","3","2","3","1") = "3"
    & skf18("4","4","4","3","2","4","1") = "3"
    & skf18("4","4","4","3","2","5","1") = "4"
    & skf18("4","4","4","3","2","6","1") = "5"
    & skf18("4","4","4","3","2","7","1") = "6"
    & skf18("4","4","4","3","2","8","1") = "7"
    & skf18("4","4","4","3","2","9","1") = "8"
    & skf18("4","4","4","3","2","10","1") = "9"
    & skf18("4","4","4","3","3","1","1") = "3"
    & skf18("4","4","4","3","3","2","1") = "3"
    & skf18("4","4","4","3","3","3","1") = "3"
    & skf18("4","4","4","3","3","4","1") = "3"
    & skf18("4","4","4","3","3","5","1") = "4"
    & skf18("4","4","4","3","3","6","1") = "5"
    & skf18("4","4","4","3","3","7","1") = "6"
    & skf18("4","4","4","3","3","8","1") = "7"
    & skf18("4","4","4","3","3","9","1") = "8"
    & skf18("4","4","4","3","3","10","1") = "9"
    & skf18("4","4","4","3","4","1","1") = "3"
    & skf18("4","4","4","3","4","2","1") = "3"
    & skf18("4","4","4","3","4","3","1") = "3"
    & skf18("4","4","4","3","4","4","1") = "3"
    & skf18("4","4","4","3","4","5","1") = "4"
    & skf18("4","4","4","3","4","6","1") = "5"
    & skf18("4","4","4","3","4","7","1") = "6"
    & skf18("4","4","4","3","4","8","1") = "7"
    & skf18("4","4","4","3","4","9","1") = "8"
    & skf18("4","4","4","3","4","10","1") = "9"
    & skf18("4","4","4","3","5","1","1") = "4"
    & skf18("4","4","4","3","5","2","1") = "4"
    & skf18("4","4","4","3","5","3","1") = "4"
    & skf18("4","4","4","3","5","4","1") = "4"
    & skf18("4","4","4","3","5","5","1") = "4"
    & skf18("4","4","4","3","5","6","1") = "5"
    & skf18("4","4","4","3","5","7","1") = "6"
    & skf18("4","4","4","3","5","8","1") = "7"
    & skf18("4","4","4","3","5","9","1") = "8"
    & skf18("4","4","4","3","5","10","1") = "9"
    & skf18("4","4","4","3","6","1","1") = "5"
    & skf18("4","4","4","3","6","2","1") = "5"
    & skf18("4","4","4","3","6","3","1") = "5"
    & skf18("4","4","4","3","6","4","1") = "5"
    & skf18("4","4","4","3","6","5","1") = "5"
    & skf18("4","4","4","3","6","6","1") = "5"
    & skf18("4","4","4","3","6","7","1") = "6"
    & skf18("4","4","4","3","6","8","1") = "7"
    & skf18("4","4","4","3","6","9","1") = "8"
    & skf18("4","4","4","3","6","10","1") = "9"
    & skf18("4","4","4","3","7","1","1") = "6"
    & skf18("4","4","4","3","7","2","1") = "6"
    & skf18("4","4","4","3","7","3","1") = "6"
    & skf18("4","4","4","3","7","4","1") = "6"
    & skf18("4","4","4","3","7","5","1") = "6"
    & skf18("4","4","4","3","7","6","1") = "6"
    & skf18("4","4","4","3","7","7","1") = "6"
    & skf18("4","4","4","3","7","8","1") = "7"
    & skf18("4","4","4","3","7","9","1") = "8"
    & skf18("4","4","4","3","7","10","1") = "9"
    & skf18("4","4","4","3","8","1","1") = "7"
    & skf18("4","4","4","3","8","2","1") = "7"
    & skf18("4","4","4","3","8","3","1") = "7"
    & skf18("4","4","4","3","8","4","1") = "7"
    & skf18("4","4","4","3","8","5","1") = "7"
    & skf18("4","4","4","3","8","6","1") = "7"
    & skf18("4","4","4","3","8","7","1") = "7"
    & skf18("4","4","4","3","8","8","1") = "7"
    & skf18("4","4","4","3","8","9","1") = "8"
    & skf18("4","4","4","3","8","10","1") = "9"
    & skf18("4","4","4","3","9","1","1") = "8"
    & skf18("4","4","4","3","9","2","1") = "8"
    & skf18("4","4","4","3","9","3","1") = "8"
    & skf18("4","4","4","3","9","4","1") = "8"
    & skf18("4","4","4","3","9","5","1") = "8"
    & skf18("4","4","4","3","9","6","1") = "8"
    & skf18("4","4","4","3","9","7","1") = "8"
    & skf18("4","4","4","3","9","8","1") = "8"
    & skf18("4","4","4","3","9","9","1") = "8"
    & skf18("4","4","4","3","9","10","1") = "9"
    & skf18("4","4","4","3","10","1","1") = "9"
    & skf18("4","4","4","3","10","2","1") = "9"
    & skf18("4","4","4","3","10","3","1") = "9"
    & skf18("4","4","4","3","10","4","1") = "9"
    & skf18("4","4","4","3","10","5","1") = "9"
    & skf18("4","4","4","3","10","6","1") = "9"
    & skf18("4","4","4","3","10","7","1") = "9"
    & skf18("4","4","4","3","10","8","1") = "9"
    & skf18("4","4","4","3","10","9","1") = "9"
    & skf18("4","4","4","3","10","10","1") = "9"
    & skf18("4","4","4","4","1","1","1") = "3"
    & skf18("4","4","4","4","1","2","1") = "3"
    & skf18("4","4","4","4","1","3","1") = "3"
    & skf18("4","4","4","4","1","4","1") = "3"
    & skf18("4","4","4","4","1","5","1") = "4"
    & skf18("4","4","4","4","1","6","1") = "5"
    & skf18("4","4","4","4","1","7","1") = "6"
    & skf18("4","4","4","4","1","8","1") = "7"
    & skf18("4","4","4","4","1","9","1") = "8"
    & skf18("4","4","4","4","1","10","1") = "9"
    & skf18("4","4","4","4","2","1","1") = "3"
    & skf18("4","4","4","4","2","2","1") = "3"
    & skf18("4","4","4","4","2","3","1") = "3"
    & skf18("4","4","4","4","2","4","1") = "3"
    & skf18("4","4","4","4","2","5","1") = "4"
    & skf18("4","4","4","4","2","6","1") = "5"
    & skf18("4","4","4","4","2","7","1") = "6"
    & skf18("4","4","4","4","2","8","1") = "7"
    & skf18("4","4","4","4","2","9","1") = "8"
    & skf18("4","4","4","4","2","10","1") = "9"
    & skf18("4","4","4","4","3","1","1") = "3"
    & skf18("4","4","4","4","3","2","1") = "3"
    & skf18("4","4","4","4","3","3","1") = "3"
    & skf18("4","4","4","4","3","4","1") = "3"
    & skf18("4","4","4","4","3","5","1") = "4"
    & skf18("4","4","4","4","3","6","1") = "5"
    & skf18("4","4","4","4","3","7","1") = "6"
    & skf18("4","4","4","4","3","8","1") = "7"
    & skf18("4","4","4","4","3","9","1") = "8"
    & skf18("4","4","4","4","3","10","1") = "9"
    & skf18("4","4","4","4","4","1","1") = "3"
    & skf18("4","4","4","4","4","2","1") = "3"
    & skf18("4","4","4","4","4","3","1") = "3"
    & skf18("4","4","4","4","4","4","1") = "3"
    & skf18("4","4","4","4","4","5","1") = "4"
    & skf18("4","4","4","4","4","6","1") = "5"
    & skf18("4","4","4","4","4","7","1") = "6"
    & skf18("4","4","4","4","4","8","1") = "7"
    & skf18("4","4","4","4","4","9","1") = "8"
    & skf18("4","4","4","4","4","10","1") = "9"
    & skf18("4","4","4","4","5","1","1") = "4"
    & skf18("4","4","4","4","5","2","1") = "4"
    & skf18("4","4","4","4","5","3","1") = "4"
    & skf18("4","4","4","4","5","4","1") = "4"
    & skf18("4","4","4","4","5","5","1") = "4"
    & skf18("4","4","4","4","5","6","1") = "5"
    & skf18("4","4","4","4","5","7","1") = "6"
    & skf18("4","4","4","4","5","8","1") = "7"
    & skf18("4","4","4","4","5","9","1") = "8"
    & skf18("4","4","4","4","5","10","1") = "9"
    & skf18("4","4","4","4","6","1","1") = "5"
    & skf18("4","4","4","4","6","2","1") = "5"
    & skf18("4","4","4","4","6","3","1") = "5"
    & skf18("4","4","4","4","6","4","1") = "5"
    & skf18("4","4","4","4","6","5","1") = "5"
    & skf18("4","4","4","4","6","6","1") = "5"
    & skf18("4","4","4","4","6","7","1") = "6"
    & skf18("4","4","4","4","6","8","1") = "7"
    & skf18("4","4","4","4","6","9","1") = "8"
    & skf18("4","4","4","4","6","10","1") = "9"
    & skf18("4","4","4","4","7","1","1") = "6"
    & skf18("4","4","4","4","7","2","1") = "6"
    & skf18("4","4","4","4","7","3","1") = "6"
    & skf18("4","4","4","4","7","4","1") = "6"
    & skf18("4","4","4","4","7","5","1") = "6"
    & skf18("4","4","4","4","7","6","1") = "6"
    & skf18("4","4","4","4","7","7","1") = "6"
    & skf18("4","4","4","4","7","8","1") = "7"
    & skf18("4","4","4","4","7","9","1") = "8"
    & skf18("4","4","4","4","7","10","1") = "9"
    & skf18("4","4","4","4","8","1","1") = "7"
    & skf18("4","4","4","4","8","2","1") = "7"
    & skf18("4","4","4","4","8","3","1") = "7"
    & skf18("4","4","4","4","8","4","1") = "7"
    & skf18("4","4","4","4","8","5","1") = "7"
    & skf18("4","4","4","4","8","6","1") = "7"
    & skf18("4","4","4","4","8","7","1") = "7"
    & skf18("4","4","4","4","8","8","1") = "7"
    & skf18("4","4","4","4","8","9","1") = "8"
    & skf18("4","4","4","4","8","10","1") = "9"
    & skf18("4","4","4","4","9","1","1") = "8"
    & skf18("4","4","4","4","9","2","1") = "8"
    & skf18("4","4","4","4","9","3","1") = "8"
    & skf18("4","4","4","4","9","4","1") = "8"
    & skf18("4","4","4","4","9","5","1") = "8"
    & skf18("4","4","4","4","9","6","1") = "8"
    & skf18("4","4","4","4","9","7","1") = "8"
    & skf18("4","4","4","4","9","8","1") = "8"
    & skf18("4","4","4","4","9","9","1") = "8"
    & skf18("4","4","4","4","9","10","1") = "9"
    & skf18("4","4","4","4","10","1","1") = "9"
    & skf18("4","4","4","4","10","2","1") = "9"
    & skf18("4","4","4","4","10","3","1") = "9"
    & skf18("4","4","4","4","10","4","1") = "9"
    & skf18("4","4","4","4","10","5","1") = "9"
    & skf18("4","4","4","4","10","6","1") = "9"
    & skf18("4","4","4","4","10","7","1") = "9"
    & skf18("4","4","4","4","10","8","1") = "9"
    & skf18("4","4","4","4","10","9","1") = "9"
    & skf18("4","4","4","4","10","10","1") = "9"
    & skf18("4","4","4","5","1","1","1") = "4"
    & skf18("4","4","4","5","1","2","1") = "4"
    & skf18("4","4","4","5","1","3","1") = "4"
    & skf18("4","4","4","5","1","4","1") = "4"
    & skf18("4","4","4","5","1","5","1") = "4"
    & skf18("4","4","4","5","1","6","1") = "5"
    & skf18("4","4","4","5","1","7","1") = "6"
    & skf18("4","4","4","5","1","8","1") = "7"
    & skf18("4","4","4","5","1","9","1") = "8"
    & skf18("4","4","4","5","1","10","1") = "9"
    & skf18("4","4","4","5","2","1","1") = "4"
    & skf18("4","4","4","5","2","2","1") = "4"
    & skf18("4","4","4","5","2","3","1") = "4"
    & skf18("4","4","4","5","2","4","1") = "4"
    & skf18("4","4","4","5","2","5","1") = "4"
    & skf18("4","4","4","5","2","6","1") = "5"
    & skf18("4","4","4","5","2","7","1") = "6"
    & skf18("4","4","4","5","2","8","1") = "7"
    & skf18("4","4","4","5","2","9","1") = "8"
    & skf18("4","4","4","5","2","10","1") = "9"
    & skf18("4","4","4","5","3","1","1") = "4"
    & skf18("4","4","4","5","3","2","1") = "4"
    & skf18("4","4","4","5","3","3","1") = "4"
    & skf18("4","4","4","5","3","4","1") = "4"
    & skf18("4","4","4","5","3","5","1") = "4"
    & skf18("4","4","4","5","3","6","1") = "5"
    & skf18("4","4","4","5","3","7","1") = "6"
    & skf18("4","4","4","5","3","8","1") = "7"
    & skf18("4","4","4","5","3","9","1") = "8"
    & skf18("4","4","4","5","3","10","1") = "9"
    & skf18("4","4","4","5","4","1","1") = "4"
    & skf18("4","4","4","5","4","2","1") = "4"
    & skf18("4","4","4","5","4","3","1") = "4"
    & skf18("4","4","4","5","4","4","1") = "4"
    & skf18("4","4","4","5","4","5","1") = "4"
    & skf18("4","4","4","5","4","6","1") = "5"
    & skf18("4","4","4","5","4","7","1") = "6"
    & skf18("4","4","4","5","4","8","1") = "7"
    & skf18("4","4","4","5","4","9","1") = "8"
    & skf18("4","4","4","5","4","10","1") = "9"
    & skf18("4","4","4","5","5","1","1") = "4"
    & skf18("4","4","4","5","5","2","1") = "4"
    & skf18("4","4","4","5","5","3","1") = "4"
    & skf18("4","4","4","5","5","4","1") = "4"
    & skf18("4","4","4","5","5","5","1") = "4"
    & skf18("4","4","4","5","5","6","1") = "5"
    & skf18("4","4","4","5","5","7","1") = "6"
    & skf18("4","4","4","5","5","8","1") = "7"
    & skf18("4","4","4","5","5","9","1") = "8"
    & skf18("4","4","4","5","5","10","1") = "9"
    & skf18("4","4","4","5","6","1","1") = "5"
    & skf18("4","4","4","5","6","2","1") = "5"
    & skf18("4","4","4","5","6","3","1") = "5"
    & skf18("4","4","4","5","6","4","1") = "5"
    & skf18("4","4","4","5","6","5","1") = "5"
    & skf18("4","4","4","5","6","6","1") = "5"
    & skf18("4","4","4","5","6","7","1") = "6"
    & skf18("4","4","4","5","6","8","1") = "7"
    & skf18("4","4","4","5","6","9","1") = "8"
    & skf18("4","4","4","5","6","10","1") = "9"
    & skf18("4","4","4","5","7","1","1") = "6"
    & skf18("4","4","4","5","7","2","1") = "6"
    & skf18("4","4","4","5","7","3","1") = "6"
    & skf18("4","4","4","5","7","4","1") = "6"
    & skf18("4","4","4","5","7","5","1") = "6"
    & skf18("4","4","4","5","7","6","1") = "6"
    & skf18("4","4","4","5","7","7","1") = "6"
    & skf18("4","4","4","5","7","8","1") = "7"
    & skf18("4","4","4","5","7","9","1") = "8"
    & skf18("4","4","4","5","7","10","1") = "9"
    & skf18("4","4","4","5","8","1","1") = "7"
    & skf18("4","4","4","5","8","2","1") = "7"
    & skf18("4","4","4","5","8","3","1") = "7"
    & skf18("4","4","4","5","8","4","1") = "7"
    & skf18("4","4","4","5","8","5","1") = "7"
    & skf18("4","4","4","5","8","6","1") = "7"
    & skf18("4","4","4","5","8","7","1") = "7"
    & skf18("4","4","4","5","8","8","1") = "7"
    & skf18("4","4","4","5","8","9","1") = "8"
    & skf18("4","4","4","5","8","10","1") = "9"
    & skf18("4","4","4","5","9","1","1") = "8"
    & skf18("4","4","4","5","9","2","1") = "8"
    & skf18("4","4","4","5","9","3","1") = "8"
    & skf18("4","4","4","5","9","4","1") = "8"
    & skf18("4","4","4","5","9","5","1") = "8"
    & skf18("4","4","4","5","9","6","1") = "8"
    & skf18("4","4","4","5","9","7","1") = "8"
    & skf18("4","4","4","5","9","8","1") = "8"
    & skf18("4","4","4","5","9","9","1") = "8"
    & skf18("4","4","4","5","9","10","1") = "9"
    & skf18("4","4","4","5","10","1","1") = "9"
    & skf18("4","4","4","5","10","2","1") = "9"
    & skf18("4","4","4","5","10","3","1") = "9"
    & skf18("4","4","4","5","10","4","1") = "9"
    & skf18("4","4","4","5","10","5","1") = "9"
    & skf18("4","4","4","5","10","6","1") = "9"
    & skf18("4","4","4","5","10","7","1") = "9"
    & skf18("4","4","4","5","10","8","1") = "9"
    & skf18("4","4","4","5","10","9","1") = "9"
    & skf18("4","4","4","5","10","10","1") = "9"
    & skf18("4","4","4","6","1","1","1") = "5"
    & skf18("4","4","4","6","1","2","1") = "5"
    & skf18("4","4","4","6","1","3","1") = "5"
    & skf18("4","4","4","6","1","4","1") = "5"
    & skf18("4","4","4","6","1","5","1") = "5"
    & skf18("4","4","4","6","1","6","1") = "5"
    & skf18("4","4","4","6","1","7","1") = "6"
    & skf18("4","4","4","6","1","8","1") = "7"
    & skf18("4","4","4","6","1","9","1") = "8"
    & skf18("4","4","4","6","1","10","1") = "9"
    & skf18("4","4","4","6","2","1","1") = "5"
    & skf18("4","4","4","6","2","2","1") = "5"
    & skf18("4","4","4","6","2","3","1") = "5"
    & skf18("4","4","4","6","2","4","1") = "5"
    & skf18("4","4","4","6","2","5","1") = "5"
    & skf18("4","4","4","6","2","6","1") = "5"
    & skf18("4","4","4","6","2","7","1") = "6"
    & skf18("4","4","4","6","2","8","1") = "7"
    & skf18("4","4","4","6","2","9","1") = "8"
    & skf18("4","4","4","6","2","10","1") = "9"
    & skf18("4","4","4","6","3","1","1") = "5"
    & skf18("4","4","4","6","3","2","1") = "5"
    & skf18("4","4","4","6","3","3","1") = "5"
    & skf18("4","4","4","6","3","4","1") = "5"
    & skf18("4","4","4","6","3","5","1") = "5"
    & skf18("4","4","4","6","3","6","1") = "5"
    & skf18("4","4","4","6","3","7","1") = "6"
    & skf18("4","4","4","6","3","8","1") = "7"
    & skf18("4","4","4","6","3","9","1") = "8"
    & skf18("4","4","4","6","3","10","1") = "9"
    & skf18("4","4","4","6","4","1","1") = "5"
    & skf18("4","4","4","6","4","2","1") = "5"
    & skf18("4","4","4","6","4","3","1") = "5"
    & skf18("4","4","4","6","4","4","1") = "5"
    & skf18("4","4","4","6","4","5","1") = "5"
    & skf18("4","4","4","6","4","6","1") = "5"
    & skf18("4","4","4","6","4","7","1") = "6"
    & skf18("4","4","4","6","4","8","1") = "7"
    & skf18("4","4","4","6","4","9","1") = "8"
    & skf18("4","4","4","6","4","10","1") = "9"
    & skf18("4","4","4","6","5","1","1") = "5"
    & skf18("4","4","4","6","5","2","1") = "5"
    & skf18("4","4","4","6","5","3","1") = "5"
    & skf18("4","4","4","6","5","4","1") = "5"
    & skf18("4","4","4","6","5","5","1") = "5"
    & skf18("4","4","4","6","5","6","1") = "5"
    & skf18("4","4","4","6","5","7","1") = "6"
    & skf18("4","4","4","6","5","8","1") = "7"
    & skf18("4","4","4","6","5","9","1") = "8"
    & skf18("4","4","4","6","5","10","1") = "9"
    & skf18("4","4","4","6","6","1","1") = "5"
    & skf18("4","4","4","6","6","2","1") = "5"
    & skf18("4","4","4","6","6","3","1") = "5"
    & skf18("4","4","4","6","6","4","1") = "5"
    & skf18("4","4","4","6","6","5","1") = "5"
    & skf18("4","4","4","6","6","6","1") = "5"
    & skf18("4","4","4","6","6","7","1") = "6"
    & skf18("4","4","4","6","6","8","1") = "7"
    & skf18("4","4","4","6","6","9","1") = "8"
    & skf18("4","4","4","6","6","10","1") = "9"
    & skf18("4","4","4","6","7","1","1") = "6"
    & skf18("4","4","4","6","7","2","1") = "6"
    & skf18("4","4","4","6","7","3","1") = "6"
    & skf18("4","4","4","6","7","4","1") = "6"
    & skf18("4","4","4","6","7","5","1") = "6"
    & skf18("4","4","4","6","7","6","1") = "6"
    & skf18("4","4","4","6","7","7","1") = "6"
    & skf18("4","4","4","6","7","8","1") = "7"
    & skf18("4","4","4","6","7","9","1") = "8"
    & skf18("4","4","4","6","7","10","1") = "9"
    & skf18("4","4","4","6","8","1","1") = "7"
    & skf18("4","4","4","6","8","2","1") = "7"
    & skf18("4","4","4","6","8","3","1") = "7"
    & skf18("4","4","4","6","8","4","1") = "7"
    & skf18("4","4","4","6","8","5","1") = "7"
    & skf18("4","4","4","6","8","6","1") = "7"
    & skf18("4","4","4","6","8","7","1") = "7"
    & skf18("4","4","4","6","8","8","1") = "7"
    & skf18("4","4","4","6","8","9","1") = "8"
    & skf18("4","4","4","6","8","10","1") = "9"
    & skf18("4","4","4","6","9","1","1") = "8"
    & skf18("4","4","4","6","9","2","1") = "8"
    & skf18("4","4","4","6","9","3","1") = "8"
    & skf18("4","4","4","6","9","4","1") = "8"
    & skf18("4","4","4","6","9","5","1") = "8"
    & skf18("4","4","4","6","9","6","1") = "8"
    & skf18("4","4","4","6","9","7","1") = "8"
    & skf18("4","4","4","6","9","8","1") = "8"
    & skf18("4","4","4","6","9","9","1") = "8"
    & skf18("4","4","4","6","9","10","1") = "9"
    & skf18("4","4","4","6","10","1","1") = "9"
    & skf18("4","4","4","6","10","2","1") = "9"
    & skf18("4","4","4","6","10","3","1") = "9"
    & skf18("4","4","4","6","10","4","1") = "9"
    & skf18("4","4","4","6","10","5","1") = "9"
    & skf18("4","4","4","6","10","6","1") = "9"
    & skf18("4","4","4","6","10","7","1") = "9"
    & skf18("4","4","4","6","10","8","1") = "9"
    & skf18("4","4","4","6","10","9","1") = "9"
    & skf18("4","4","4","6","10","10","1") = "9"
    & skf18("4","4","4","7","1","1","1") = "6"
    & skf18("4","4","4","7","1","2","1") = "6"
    & skf18("4","4","4","7","1","3","1") = "6"
    & skf18("4","4","4","7","1","4","1") = "6"
    & skf18("4","4","4","7","1","5","1") = "6"
    & skf18("4","4","4","7","1","6","1") = "6"
    & skf18("4","4","4","7","1","7","1") = "6"
    & skf18("4","4","4","7","1","8","1") = "7"
    & skf18("4","4","4","7","1","9","1") = "8"
    & skf18("4","4","4","7","1","10","1") = "9"
    & skf18("4","4","4","7","2","1","1") = "6"
    & skf18("4","4","4","7","2","2","1") = "6"
    & skf18("4","4","4","7","2","3","1") = "6"
    & skf18("4","4","4","7","2","4","1") = "6"
    & skf18("4","4","4","7","2","5","1") = "6"
    & skf18("4","4","4","7","2","6","1") = "6"
    & skf18("4","4","4","7","2","7","1") = "6"
    & skf18("4","4","4","7","2","8","1") = "7"
    & skf18("4","4","4","7","2","9","1") = "8"
    & skf18("4","4","4","7","2","10","1") = "9"
    & skf18("4","4","4","7","3","1","1") = "6"
    & skf18("4","4","4","7","3","2","1") = "6"
    & skf18("4","4","4","7","3","3","1") = "6"
    & skf18("4","4","4","7","3","4","1") = "6"
    & skf18("4","4","4","7","3","5","1") = "6"
    & skf18("4","4","4","7","3","6","1") = "6"
    & skf18("4","4","4","7","3","7","1") = "6"
    & skf18("4","4","4","7","3","8","1") = "7"
    & skf18("4","4","4","7","3","9","1") = "8"
    & skf18("4","4","4","7","3","10","1") = "9"
    & skf18("4","4","4","7","4","1","1") = "6"
    & skf18("4","4","4","7","4","2","1") = "6"
    & skf18("4","4","4","7","4","3","1") = "6"
    & skf18("4","4","4","7","4","4","1") = "6"
    & skf18("4","4","4","7","4","5","1") = "6"
    & skf18("4","4","4","7","4","6","1") = "6"
    & skf18("4","4","4","7","4","7","1") = "6"
    & skf18("4","4","4","7","4","8","1") = "7"
    & skf18("4","4","4","7","4","9","1") = "8"
    & skf18("4","4","4","7","4","10","1") = "9"
    & skf18("4","4","4","7","5","1","1") = "6"
    & skf18("4","4","4","7","5","2","1") = "6"
    & skf18("4","4","4","7","5","3","1") = "6"
    & skf18("4","4","4","7","5","4","1") = "6"
    & skf18("4","4","4","7","5","5","1") = "6"
    & skf18("4","4","4","7","5","6","1") = "6"
    & skf18("4","4","4","7","5","7","1") = "6"
    & skf18("4","4","4","7","5","8","1") = "7"
    & skf18("4","4","4","7","5","9","1") = "8"
    & skf18("4","4","4","7","5","10","1") = "9"
    & skf18("4","4","4","7","6","1","1") = "6"
    & skf18("4","4","4","7","6","2","1") = "6"
    & skf18("4","4","4","7","6","3","1") = "6"
    & skf18("4","4","4","7","6","4","1") = "6"
    & skf18("4","4","4","7","6","5","1") = "6"
    & skf18("4","4","4","7","6","6","1") = "6"
    & skf18("4","4","4","7","6","7","1") = "6"
    & skf18("4","4","4","7","6","8","1") = "7"
    & skf18("4","4","4","7","6","9","1") = "8"
    & skf18("4","4","4","7","6","10","1") = "9"
    & skf18("4","4","4","7","7","1","1") = "6"
    & skf18("4","4","4","7","7","2","1") = "6"
    & skf18("4","4","4","7","7","3","1") = "6"
    & skf18("4","4","4","7","7","4","1") = "6"
    & skf18("4","4","4","7","7","5","1") = "6"
    & skf18("4","4","4","7","7","6","1") = "6"
    & skf18("4","4","4","7","7","7","1") = "6"
    & skf18("4","4","4","7","7","8","1") = "7"
    & skf18("4","4","4","7","7","9","1") = "8"
    & skf18("4","4","4","7","7","10","1") = "9"
    & skf18("4","4","4","7","8","1","1") = "7"
    & skf18("4","4","4","7","8","2","1") = "7"
    & skf18("4","4","4","7","8","3","1") = "7"
    & skf18("4","4","4","7","8","4","1") = "7"
    & skf18("4","4","4","7","8","5","1") = "7"
    & skf18("4","4","4","7","8","6","1") = "7"
    & skf18("4","4","4","7","8","7","1") = "7"
    & skf18("4","4","4","7","8","8","1") = "7"
    & skf18("4","4","4","7","8","9","1") = "8"
    & skf18("4","4","4","7","8","10","1") = "9"
    & skf18("4","4","4","7","9","1","1") = "8"
    & skf18("4","4","4","7","9","2","1") = "8"
    & skf18("4","4","4","7","9","3","1") = "8"
    & skf18("4","4","4","7","9","4","1") = "8"
    & skf18("4","4","4","7","9","5","1") = "8"
    & skf18("4","4","4","7","9","6","1") = "8"
    & skf18("4","4","4","7","9","7","1") = "8"
    & skf18("4","4","4","7","9","8","1") = "8"
    & skf18("4","4","4","7","9","9","1") = "8"
    & skf18("4","4","4","7","9","10","1") = "9"
    & skf18("4","4","4","7","10","1","1") = "9"
    & skf18("4","4","4","7","10","2","1") = "9"
    & skf18("4","4","4","7","10","3","1") = "9"
    & skf18("4","4","4","7","10","4","1") = "9"
    & skf18("4","4","4","7","10","5","1") = "9"
    & skf18("4","4","4","7","10","6","1") = "9"
    & skf18("4","4","4","7","10","7","1") = "9"
    & skf18("4","4","4","7","10","8","1") = "9"
    & skf18("4","4","4","7","10","9","1") = "9"
    & skf18("4","4","4","7","10","10","1") = "9"
    & skf18("4","4","4","8","1","1","1") = "7"
    & skf18("4","4","4","8","1","2","1") = "7"
    & skf18("4","4","4","8","1","3","1") = "7"
    & skf18("4","4","4","8","1","4","1") = "7"
    & skf18("4","4","4","8","1","5","1") = "7"
    & skf18("4","4","4","8","1","6","1") = "7"
    & skf18("4","4","4","8","1","7","1") = "7"
    & skf18("4","4","4","8","1","8","1") = "7"
    & skf18("4","4","4","8","1","9","1") = "8"
    & skf18("4","4","4","8","1","10","1") = "9"
    & skf18("4","4","4","8","2","1","1") = "7"
    & skf18("4","4","4","8","2","2","1") = "7"
    & skf18("4","4","4","8","2","3","1") = "7"
    & skf18("4","4","4","8","2","4","1") = "7"
    & skf18("4","4","4","8","2","5","1") = "7"
    & skf18("4","4","4","8","2","6","1") = "7"
    & skf18("4","4","4","8","2","7","1") = "7"
    & skf18("4","4","4","8","2","8","1") = "7"
    & skf18("4","4","4","8","2","9","1") = "8"
    & skf18("4","4","4","8","2","10","1") = "9"
    & skf18("4","4","4","8","3","1","1") = "7"
    & skf18("4","4","4","8","3","2","1") = "7"
    & skf18("4","4","4","8","3","3","1") = "7"
    & skf18("4","4","4","8","3","4","1") = "7"
    & skf18("4","4","4","8","3","5","1") = "7"
    & skf18("4","4","4","8","3","6","1") = "7"
    & skf18("4","4","4","8","3","7","1") = "7"
    & skf18("4","4","4","8","3","8","1") = "7"
    & skf18("4","4","4","8","3","9","1") = "8"
    & skf18("4","4","4","8","3","10","1") = "9"
    & skf18("4","4","4","8","4","1","1") = "7"
    & skf18("4","4","4","8","4","2","1") = "7"
    & skf18("4","4","4","8","4","3","1") = "7"
    & skf18("4","4","4","8","4","4","1") = "7"
    & skf18("4","4","4","8","4","5","1") = "7"
    & skf18("4","4","4","8","4","6","1") = "7"
    & skf18("4","4","4","8","4","7","1") = "7"
    & skf18("4","4","4","8","4","8","1") = "7"
    & skf18("4","4","4","8","4","9","1") = "8"
    & skf18("4","4","4","8","4","10","1") = "9"
    & skf18("4","4","4","8","5","1","1") = "7"
    & skf18("4","4","4","8","5","2","1") = "7"
    & skf18("4","4","4","8","5","3","1") = "7"
    & skf18("4","4","4","8","5","4","1") = "7"
    & skf18("4","4","4","8","5","5","1") = "7"
    & skf18("4","4","4","8","5","6","1") = "7"
    & skf18("4","4","4","8","5","7","1") = "7"
    & skf18("4","4","4","8","5","8","1") = "7"
    & skf18("4","4","4","8","5","9","1") = "8"
    & skf18("4","4","4","8","5","10","1") = "9"
    & skf18("4","4","4","8","6","1","1") = "7"
    & skf18("4","4","4","8","6","2","1") = "7"
    & skf18("4","4","4","8","6","3","1") = "7"
    & skf18("4","4","4","8","6","4","1") = "7"
    & skf18("4","4","4","8","6","5","1") = "7"
    & skf18("4","4","4","8","6","6","1") = "7"
    & skf18("4","4","4","8","6","7","1") = "7"
    & skf18("4","4","4","8","6","8","1") = "7"
    & skf18("4","4","4","8","6","9","1") = "8"
    & skf18("4","4","4","8","6","10","1") = "9"
    & skf18("4","4","4","8","7","1","1") = "7"
    & skf18("4","4","4","8","7","2","1") = "7"
    & skf18("4","4","4","8","7","3","1") = "7"
    & skf18("4","4","4","8","7","4","1") = "7"
    & skf18("4","4","4","8","7","5","1") = "7"
    & skf18("4","4","4","8","7","6","1") = "7"
    & skf18("4","4","4","8","7","7","1") = "7"
    & skf18("4","4","4","8","7","8","1") = "7"
    & skf18("4","4","4","8","7","9","1") = "8"
    & skf18("4","4","4","8","7","10","1") = "9"
    & skf18("4","4","4","8","8","1","1") = "7"
    & skf18("4","4","4","8","8","2","1") = "7"
    & skf18("4","4","4","8","8","3","1") = "7"
    & skf18("4","4","4","8","8","4","1") = "7"
    & skf18("4","4","4","8","8","5","1") = "7"
    & skf18("4","4","4","8","8","6","1") = "7"
    & skf18("4","4","4","8","8","7","1") = "7"
    & skf18("4","4","4","8","8","8","1") = "7"
    & skf18("4","4","4","8","8","9","1") = "8"
    & skf18("4","4","4","8","8","10","1") = "9"
    & skf18("4","4","4","8","9","1","1") = "8"
    & skf18("4","4","4","8","9","2","1") = "8"
    & skf18("4","4","4","8","9","3","1") = "8"
    & skf18("4","4","4","8","9","4","1") = "8"
    & skf18("4","4","4","8","9","5","1") = "8"
    & skf18("4","4","4","8","9","6","1") = "8"
    & skf18("4","4","4","8","9","7","1") = "8"
    & skf18("4","4","4","8","9","8","1") = "8"
    & skf18("4","4","4","8","9","9","1") = "8"
    & skf18("4","4","4","8","9","10","1") = "9"
    & skf18("4","4","4","8","10","1","1") = "9"
    & skf18("4","4","4","8","10","2","1") = "9"
    & skf18("4","4","4","8","10","3","1") = "9"
    & skf18("4","4","4","8","10","4","1") = "9"
    & skf18("4","4","4","8","10","5","1") = "9"
    & skf18("4","4","4","8","10","6","1") = "9"
    & skf18("4","4","4","8","10","7","1") = "9"
    & skf18("4","4","4","8","10","8","1") = "9"
    & skf18("4","4","4","8","10","9","1") = "9"
    & skf18("4","4","4","8","10","10","1") = "9"
    & skf18("4","4","4","9","1","1","1") = "8"
    & skf18("4","4","4","9","1","2","1") = "8"
    & skf18("4","4","4","9","1","3","1") = "8"
    & skf18("4","4","4","9","1","4","1") = "8"
    & skf18("4","4","4","9","1","5","1") = "8"
    & skf18("4","4","4","9","1","6","1") = "8"
    & skf18("4","4","4","9","1","7","1") = "8"
    & skf18("4","4","4","9","1","8","1") = "8"
    & skf18("4","4","4","9","1","9","1") = "8"
    & skf18("4","4","4","9","1","10","1") = "9"
    & skf18("4","4","4","9","2","1","1") = "8"
    & skf18("4","4","4","9","2","2","1") = "8"
    & skf18("4","4","4","9","2","3","1") = "8"
    & skf18("4","4","4","9","2","4","1") = "8"
    & skf18("4","4","4","9","2","5","1") = "8"
    & skf18("4","4","4","9","2","6","1") = "8"
    & skf18("4","4","4","9","2","7","1") = "8"
    & skf18("4","4","4","9","2","8","1") = "8"
    & skf18("4","4","4","9","2","9","1") = "8"
    & skf18("4","4","4","9","2","10","1") = "9"
    & skf18("4","4","4","9","3","1","1") = "8"
    & skf18("4","4","4","9","3","2","1") = "8"
    & skf18("4","4","4","9","3","3","1") = "8"
    & skf18("4","4","4","9","3","4","1") = "8"
    & skf18("4","4","4","9","3","5","1") = "8"
    & skf18("4","4","4","9","3","6","1") = "8"
    & skf18("4","4","4","9","3","7","1") = "8"
    & skf18("4","4","4","9","3","8","1") = "8"
    & skf18("4","4","4","9","3","9","1") = "8"
    & skf18("4","4","4","9","3","10","1") = "9"
    & skf18("4","4","4","9","4","1","1") = "8"
    & skf18("4","4","4","9","4","2","1") = "8"
    & skf18("4","4","4","9","4","3","1") = "8"
    & skf18("4","4","4","9","4","4","1") = "8"
    & skf18("4","4","4","9","4","5","1") = "8"
    & skf18("4","4","4","9","4","6","1") = "8"
    & skf18("4","4","4","9","4","7","1") = "8"
    & skf18("4","4","4","9","4","8","1") = "8"
    & skf18("4","4","4","9","4","9","1") = "8"
    & skf18("4","4","4","9","4","10","1") = "9"
    & skf18("4","4","4","9","5","1","1") = "8"
    & skf18("4","4","4","9","5","2","1") = "8"
    & skf18("4","4","4","9","5","3","1") = "8"
    & skf18("4","4","4","9","5","4","1") = "8"
    & skf18("4","4","4","9","5","5","1") = "8"
    & skf18("4","4","4","9","5","6","1") = "8"
    & skf18("4","4","4","9","5","7","1") = "8"
    & skf18("4","4","4","9","5","8","1") = "8"
    & skf18("4","4","4","9","5","9","1") = "8"
    & skf18("4","4","4","9","5","10","1") = "9"
    & skf18("4","4","4","9","6","1","1") = "8"
    & skf18("4","4","4","9","6","2","1") = "8"
    & skf18("4","4","4","9","6","3","1") = "8"
    & skf18("4","4","4","9","6","4","1") = "8"
    & skf18("4","4","4","9","6","5","1") = "8"
    & skf18("4","4","4","9","6","6","1") = "8"
    & skf18("4","4","4","9","6","7","1") = "8"
    & skf18("4","4","4","9","6","8","1") = "8"
    & skf18("4","4","4","9","6","9","1") = "8"
    & skf18("4","4","4","9","6","10","1") = "9"
    & skf18("4","4","4","9","7","1","1") = "8"
    & skf18("4","4","4","9","7","2","1") = "8"
    & skf18("4","4","4","9","7","3","1") = "8"
    & skf18("4","4","4","9","7","4","1") = "8"
    & skf18("4","4","4","9","7","5","1") = "8"
    & skf18("4","4","4","9","7","6","1") = "8"
    & skf18("4","4","4","9","7","7","1") = "8"
    & skf18("4","4","4","9","7","8","1") = "8"
    & skf18("4","4","4","9","7","9","1") = "8"
    & skf18("4","4","4","9","7","10","1") = "9"
    & skf18("4","4","4","9","8","1","1") = "8"
    & skf18("4","4","4","9","8","2","1") = "8"
    & skf18("4","4","4","9","8","3","1") = "8"
    & skf18("4","4","4","9","8","4","1") = "8"
    & skf18("4","4","4","9","8","5","1") = "8"
    & skf18("4","4","4","9","8","6","1") = "8"
    & skf18("4","4","4","9","8","7","1") = "8"
    & skf18("4","4","4","9","8","8","1") = "8"
    & skf18("4","4","4","9","8","9","1") = "8"
    & skf18("4","4","4","9","8","10","1") = "9"
    & skf18("4","4","4","9","9","1","1") = "8"
    & skf18("4","4","4","9","9","2","1") = "8"
    & skf18("4","4","4","9","9","3","1") = "8"
    & skf18("4","4","4","9","9","4","1") = "8"
    & skf18("4","4","4","9","9","5","1") = "8"
    & skf18("4","4","4","9","9","6","1") = "8"
    & skf18("4","4","4","9","9","7","1") = "8"
    & skf18("4","4","4","9","9","8","1") = "8"
    & skf18("4","4","4","9","9","9","1") = "8"
    & skf18("4","4","4","9","9","10","1") = "9"
    & skf18("4","4","4","9","10","1","1") = "9"
    & skf18("4","4","4","9","10","2","1") = "9"
    & skf18("4","4","4","9","10","3","1") = "9"
    & skf18("4","4","4","9","10","4","1") = "9"
    & skf18("4","4","4","9","10","5","1") = "9"
    & skf18("4","4","4","9","10","6","1") = "9"
    & skf18("4","4","4","9","10","7","1") = "9"
    & skf18("4","4","4","9","10","8","1") = "9"
    & skf18("4","4","4","9","10","9","1") = "9"
    & skf18("4","4","4","9","10","10","1") = "9"
    & skf18("4","4","4","10","1","1","1") = "9"
    & skf18("4","4","4","10","1","2","1") = "9"
    & skf18("4","4","4","10","1","3","1") = "9"
    & skf18("4","4","4","10","1","4","1") = "9"
    & skf18("4","4","4","10","1","5","1") = "9"
    & skf18("4","4","4","10","1","6","1") = "9"
    & skf18("4","4","4","10","1","7","1") = "9"
    & skf18("4","4","4","10","1","8","1") = "9"
    & skf18("4","4","4","10","1","9","1") = "9"
    & skf18("4","4","4","10","1","10","1") = "9"
    & skf18("4","4","4","10","2","1","1") = "9"
    & skf18("4","4","4","10","2","2","1") = "9"
    & skf18("4","4","4","10","2","3","1") = "9"
    & skf18("4","4","4","10","2","4","1") = "9"
    & skf18("4","4","4","10","2","5","1") = "9"
    & skf18("4","4","4","10","2","6","1") = "9"
    & skf18("4","4","4","10","2","7","1") = "9"
    & skf18("4","4","4","10","2","8","1") = "9"
    & skf18("4","4","4","10","2","9","1") = "9"
    & skf18("4","4","4","10","2","10","1") = "9"
    & skf18("4","4","4","10","3","1","1") = "9"
    & skf18("4","4","4","10","3","2","1") = "9"
    & skf18("4","4","4","10","3","3","1") = "9"
    & skf18("4","4","4","10","3","4","1") = "9"
    & skf18("4","4","4","10","3","5","1") = "9"
    & skf18("4","4","4","10","3","6","1") = "9"
    & skf18("4","4","4","10","3","7","1") = "9"
    & skf18("4","4","4","10","3","8","1") = "9"
    & skf18("4","4","4","10","3","9","1") = "9"
    & skf18("4","4","4","10","3","10","1") = "9"
    & skf18("4","4","4","10","4","1","1") = "9"
    & skf18("4","4","4","10","4","2","1") = "9"
    & skf18("4","4","4","10","4","3","1") = "9"
    & skf18("4","4","4","10","4","4","1") = "9"
    & skf18("4","4","4","10","4","5","1") = "9"
    & skf18("4","4","4","10","4","6","1") = "9"
    & skf18("4","4","4","10","4","7","1") = "9"
    & skf18("4","4","4","10","4","8","1") = "9"
    & skf18("4","4","4","10","4","9","1") = "9"
    & skf18("4","4","4","10","4","10","1") = "9"
    & skf18("4","4","4","10","5","1","1") = "9"
    & skf18("4","4","4","10","5","2","1") = "9"
    & skf18("4","4","4","10","5","3","1") = "9"
    & skf18("4","4","4","10","5","4","1") = "9"
    & skf18("4","4","4","10","5","5","1") = "9"
    & skf18("4","4","4","10","5","6","1") = "9"
    & skf18("4","4","4","10","5","7","1") = "9"
    & skf18("4","4","4","10","5","8","1") = "9"
    & skf18("4","4","4","10","5","9","1") = "9"
    & skf18("4","4","4","10","5","10","1") = "9"
    & skf18("4","4","4","10","6","1","1") = "9"
    & skf18("4","4","4","10","6","2","1") = "9"
    & skf18("4","4","4","10","6","3","1") = "9"
    & skf18("4","4","4","10","6","4","1") = "9"
    & skf18("4","4","4","10","6","5","1") = "9"
    & skf18("4","4","4","10","6","6","1") = "9"
    & skf18("4","4","4","10","6","7","1") = "9"
    & skf18("4","4","4","10","6","8","1") = "9"
    & skf18("4","4","4","10","6","9","1") = "9"
    & skf18("4","4","4","10","6","10","1") = "9"
    & skf18("4","4","4","10","7","1","1") = "9"
    & skf18("4","4","4","10","7","2","1") = "9"
    & skf18("4","4","4","10","7","3","1") = "9"
    & skf18("4","4","4","10","7","4","1") = "9"
    & skf18("4","4","4","10","7","5","1") = "9"
    & skf18("4","4","4","10","7","6","1") = "9"
    & skf18("4","4","4","10","7","7","1") = "9"
    & skf18("4","4","4","10","7","8","1") = "9"
    & skf18("4","4","4","10","7","9","1") = "9"
    & skf18("4","4","4","10","7","10","1") = "9"
    & skf18("4","4","4","10","8","1","1") = "9"
    & skf18("4","4","4","10","8","2","1") = "9"
    & skf18("4","4","4","10","8","3","1") = "9"
    & skf18("4","4","4","10","8","4","1") = "9"
    & skf18("4","4","4","10","8","5","1") = "9"
    & skf18("4","4","4","10","8","6","1") = "9"
    & skf18("4","4","4","10","8","7","1") = "9"
    & skf18("4","4","4","10","8","8","1") = "9"
    & skf18("4","4","4","10","8","9","1") = "9"
    & skf18("4","4","4","10","8","10","1") = "9"
    & skf18("4","4","4","10","9","1","1") = "9"
    & skf18("4","4","4","10","9","2","1") = "9"
    & skf18("4","4","4","10","9","3","1") = "9"
    & skf18("4","4","4","10","9","4","1") = "9"
    & skf18("4","4","4","10","9","5","1") = "9"
    & skf18("4","4","4","10","9","6","1") = "9"
    & skf18("4","4","4","10","9","7","1") = "9"
    & skf18("4","4","4","10","9","8","1") = "9"
    & skf18("4","4","4","10","9","9","1") = "9"
    & skf18("4","4","4","10","9","10","1") = "9"
    & skf18("4","4","4","10","10","1","1") = "9"
    & skf18("4","4","4","10","10","2","1") = "9"
    & skf18("4","4","4","10","10","3","1") = "9"
    & skf18("4","4","4","10","10","4","1") = "9"
    & skf18("4","4","4","10","10","5","1") = "9"
    & skf18("4","4","4","10","10","6","1") = "9"
    & skf18("4","4","4","10","10","7","1") = "9"
    & skf18("4","4","4","10","10","8","1") = "9"
    & skf18("4","4","4","10","10","9","1") = "9"
    & skf18("4","4","4","10","10","10","1") = "9"
    & skf18("4","4","5","1","1","1","1") = "4"
    & skf18("4","4","5","1","1","2","1") = "4"
    & skf18("4","4","5","1","1","3","1") = "4"
    & skf18("4","4","5","1","1","4","1") = "4"
    & skf18("4","4","5","1","1","5","1") = "4"
    & skf18("4","4","5","1","1","6","1") = "5"
    & skf18("4","4","5","1","1","7","1") = "6"
    & skf18("4","4","5","1","1","8","1") = "7"
    & skf18("4","4","5","1","1","9","1") = "8"
    & skf18("4","4","5","1","1","10","1") = "9"
    & skf18("4","4","5","1","2","1","1") = "4"
    & skf18("4","4","5","1","2","2","1") = "4"
    & skf18("4","4","5","1","2","3","1") = "4"
    & skf18("4","4","5","1","2","4","1") = "4"
    & skf18("4","4","5","1","2","5","1") = "4"
    & skf18("4","4","5","1","2","6","1") = "5"
    & skf18("4","4","5","1","2","7","1") = "6"
    & skf18("4","4","5","1","2","8","1") = "7"
    & skf18("4","4","5","1","2","9","1") = "8"
    & skf18("4","4","5","1","2","10","1") = "9"
    & skf18("4","4","5","1","3","1","1") = "4"
    & skf18("4","4","5","1","3","2","1") = "4"
    & skf18("4","4","5","1","3","3","1") = "4"
    & skf18("4","4","5","1","3","4","1") = "4"
    & skf18("4","4","5","1","3","5","1") = "4"
    & skf18("4","4","5","1","3","6","1") = "5"
    & skf18("4","4","5","1","3","7","1") = "6"
    & skf18("4","4","5","1","3","8","1") = "7"
    & skf18("4","4","5","1","3","9","1") = "8"
    & skf18("4","4","5","1","3","10","1") = "9"
    & skf18("4","4","5","1","4","1","1") = "4"
    & skf18("4","4","5","1","4","2","1") = "4"
    & skf18("4","4","5","1","4","3","1") = "4"
    & skf18("4","4","5","1","4","4","1") = "4"
    & skf18("4","4","5","1","4","5","1") = "4"
    & skf18("4","4","5","1","4","6","1") = "5"
    & skf18("4","4","5","1","4","7","1") = "6"
    & skf18("4","4","5","1","4","8","1") = "7"
    & skf18("4","4","5","1","4","9","1") = "8"
    & skf18("4","4","5","1","4","10","1") = "9"
    & skf18("4","4","5","1","5","1","1") = "4"
    & skf18("4","4","5","1","5","2","1") = "4"
    & skf18("4","4","5","1","5","3","1") = "4"
    & skf18("4","4","5","1","5","4","1") = "4"
    & skf18("4","4","5","1","5","5","1") = "4"
    & skf18("4","4","5","1","5","6","1") = "5"
    & skf18("4","4","5","1","5","7","1") = "6"
    & skf18("4","4","5","1","5","8","1") = "7"
    & skf18("4","4","5","1","5","9","1") = "8"
    & skf18("4","4","5","1","5","10","1") = "9"
    & skf18("4","4","5","1","6","1","1") = "5"
    & skf18("4","4","5","1","6","2","1") = "5"
    & skf18("4","4","5","1","6","3","1") = "5"
    & skf18("4","4","5","1","6","4","1") = "5"
    & skf18("4","4","5","1","6","5","1") = "5"
    & skf18("4","4","5","1","6","6","1") = "5"
    & skf18("4","4","5","1","6","7","1") = "6"
    & skf18("4","4","5","1","6","8","1") = "7"
    & skf18("4","4","5","1","6","9","1") = "8"
    & skf18("4","4","5","1","6","10","1") = "9"
    & skf18("4","4","5","1","7","1","1") = "6"
    & skf18("4","4","5","1","7","2","1") = "6"
    & skf18("4","4","5","1","7","3","1") = "6"
    & skf18("4","4","5","1","7","4","1") = "6"
    & skf18("4","4","5","1","7","5","1") = "6"
    & skf18("4","4","5","1","7","6","1") = "6"
    & skf18("4","4","5","1","7","7","1") = "6"
    & skf18("4","4","5","1","7","8","1") = "7"
    & skf18("4","4","5","1","7","9","1") = "8"
    & skf18("4","4","5","1","7","10","1") = "9"
    & skf18("4","4","5","1","8","1","1") = "7"
    & skf18("4","4","5","1","8","2","1") = "7"
    & skf18("4","4","5","1","8","3","1") = "7"
    & skf18("4","4","5","1","8","4","1") = "7"
    & skf18("4","4","5","1","8","5","1") = "7"
    & skf18("4","4","5","1","8","6","1") = "7"
    & skf18("4","4","5","1","8","7","1") = "7"
    & skf18("4","4","5","1","8","8","1") = "7"
    & skf18("4","4","5","1","8","9","1") = "8"
    & skf18("4","4","5","1","8","10","1") = "9"
    & skf18("4","4","5","1","9","1","1") = "8"
    & skf18("4","4","5","1","9","2","1") = "8"
    & skf18("4","4","5","1","9","3","1") = "8"
    & skf18("4","4","5","1","9","4","1") = "8"
    & skf18("4","4","5","1","9","5","1") = "8"
    & skf18("4","4","5","1","9","6","1") = "8"
    & skf18("4","4","5","1","9","7","1") = "8"
    & skf18("4","4","5","1","9","8","1") = "8"
    & skf18("4","4","5","1","9","9","1") = "8"
    & skf18("4","4","5","1","9","10","1") = "9"
    & skf18("4","4","5","1","10","1","1") = "9"
    & skf18("4","4","5","1","10","2","1") = "9"
    & skf18("4","4","5","1","10","3","1") = "9"
    & skf18("4","4","5","1","10","4","1") = "9"
    & skf18("4","4","5","1","10","5","1") = "9"
    & skf18("4","4","5","1","10","6","1") = "9"
    & skf18("4","4","5","1","10","7","1") = "9"
    & skf18("4","4","5","1","10","8","1") = "9"
    & skf18("4","4","5","1","10","9","1") = "9"
    & skf18("4","4","5","1","10","10","1") = "9"
    & skf18("4","4","5","2","1","1","1") = "4"
    & skf18("4","4","5","2","1","2","1") = "4"
    & skf18("4","4","5","2","1","3","1") = "4"
    & skf18("4","4","5","2","1","4","1") = "4"
    & skf18("4","4","5","2","1","5","1") = "4"
    & skf18("4","4","5","2","1","6","1") = "5"
    & skf18("4","4","5","2","1","7","1") = "6"
    & skf18("4","4","5","2","1","8","1") = "7"
    & skf18("4","4","5","2","1","9","1") = "8"
    & skf18("4","4","5","2","1","10","1") = "9"
    & skf18("4","4","5","2","2","1","1") = "4"
    & skf18("4","4","5","2","2","2","1") = "4"
    & skf18("4","4","5","2","2","3","1") = "4"
    & skf18("4","4","5","2","2","4","1") = "4"
    & skf18("4","4","5","2","2","5","1") = "4"
    & skf18("4","4","5","2","2","6","1") = "5"
    & skf18("4","4","5","2","2","7","1") = "6"
    & skf18("4","4","5","2","2","8","1") = "7"
    & skf18("4","4","5","2","2","9","1") = "8"
    & skf18("4","4","5","2","2","10","1") = "9"
    & skf18("4","4","5","2","3","1","1") = "4"
    & skf18("4","4","5","2","3","2","1") = "4"
    & skf18("4","4","5","2","3","3","1") = "4"
    & skf18("4","4","5","2","3","4","1") = "4"
    & skf18("4","4","5","2","3","5","1") = "4"
    & skf18("4","4","5","2","3","6","1") = "5"
    & skf18("4","4","5","2","3","7","1") = "6"
    & skf18("4","4","5","2","3","8","1") = "7"
    & skf18("4","4","5","2","3","9","1") = "8"
    & skf18("4","4","5","2","3","10","1") = "9"
    & skf18("4","4","5","2","4","1","1") = "4"
    & skf18("4","4","5","2","4","2","1") = "4"
    & skf18("4","4","5","2","4","3","1") = "4"
    & skf18("4","4","5","2","4","4","1") = "4"
    & skf18("4","4","5","2","4","5","1") = "4"
    & skf18("4","4","5","2","4","6","1") = "5"
    & skf18("4","4","5","2","4","7","1") = "6"
    & skf18("4","4","5","2","4","8","1") = "7"
    & skf18("4","4","5","2","4","9","1") = "8"
    & skf18("4","4","5","2","4","10","1") = "9"
    & skf18("4","4","5","2","5","1","1") = "4"
    & skf18("4","4","5","2","5","2","1") = "4"
    & skf18("4","4","5","2","5","3","1") = "4"
    & skf18("4","4","5","2","5","4","1") = "4"
    & skf18("4","4","5","2","5","5","1") = "4"
    & skf18("4","4","5","2","5","6","1") = "5"
    & skf18("4","4","5","2","5","7","1") = "6"
    & skf18("4","4","5","2","5","8","1") = "7"
    & skf18("4","4","5","2","5","9","1") = "8"
    & skf18("4","4","5","2","5","10","1") = "9"
    & skf18("4","4","5","2","6","1","1") = "5"
    & skf18("4","4","5","2","6","2","1") = "5"
    & skf18("4","4","5","2","6","3","1") = "5"
    & skf18("4","4","5","2","6","4","1") = "5"
    & skf18("4","4","5","2","6","5","1") = "5"
    & skf18("4","4","5","2","6","6","1") = "5"
    & skf18("4","4","5","2","6","7","1") = "6"
    & skf18("4","4","5","2","6","8","1") = "7"
    & skf18("4","4","5","2","6","9","1") = "8"
    & skf18("4","4","5","2","6","10","1") = "9"
    & skf18("4","4","5","2","7","1","1") = "6"
    & skf18("4","4","5","2","7","2","1") = "6"
    & skf18("4","4","5","2","7","3","1") = "6"
    & skf18("4","4","5","2","7","4","1") = "6"
    & skf18("4","4","5","2","7","5","1") = "6"
    & skf18("4","4","5","2","7","6","1") = "6"
    & skf18("4","4","5","2","7","7","1") = "6"
    & skf18("4","4","5","2","7","8","1") = "7"
    & skf18("4","4","5","2","7","9","1") = "8"
    & skf18("4","4","5","2","7","10","1") = "9"
    & skf18("4","4","5","2","8","1","1") = "7"
    & skf18("4","4","5","2","8","2","1") = "7"
    & skf18("4","4","5","2","8","3","1") = "7"
    & skf18("4","4","5","2","8","4","1") = "7"
    & skf18("4","4","5","2","8","5","1") = "7"
    & skf18("4","4","5","2","8","6","1") = "7"
    & skf18("4","4","5","2","8","7","1") = "7"
    & skf18("4","4","5","2","8","8","1") = "7"
    & skf18("4","4","5","2","8","9","1") = "8"
    & skf18("4","4","5","2","8","10","1") = "9"
    & skf18("4","4","5","2","9","1","1") = "8"
    & skf18("4","4","5","2","9","2","1") = "8"
    & skf18("4","4","5","2","9","3","1") = "8"
    & skf18("4","4","5","2","9","4","1") = "8"
    & skf18("4","4","5","2","9","5","1") = "8"
    & skf18("4","4","5","2","9","6","1") = "8"
    & skf18("4","4","5","2","9","7","1") = "8"
    & skf18("4","4","5","2","9","8","1") = "8"
    & skf18("4","4","5","2","9","9","1") = "8"
    & skf18("4","4","5","2","9","10","1") = "9"
    & skf18("4","4","5","2","10","1","1") = "9"
    & skf18("4","4","5","2","10","2","1") = "9"
    & skf18("4","4","5","2","10","3","1") = "9"
    & skf18("4","4","5","2","10","4","1") = "9"
    & skf18("4","4","5","2","10","5","1") = "9"
    & skf18("4","4","5","2","10","6","1") = "9"
    & skf18("4","4","5","2","10","7","1") = "9"
    & skf18("4","4","5","2","10","8","1") = "9"
    & skf18("4","4","5","2","10","9","1") = "9"
    & skf18("4","4","5","2","10","10","1") = "9"
    & skf18("4","4","5","3","1","1","1") = "4"
    & skf18("4","4","5","3","1","2","1") = "4"
    & skf18("4","4","5","3","1","3","1") = "4"
    & skf18("4","4","5","3","1","4","1") = "4"
    & skf18("4","4","5","3","1","5","1") = "4"
    & skf18("4","4","5","3","1","6","1") = "5"
    & skf18("4","4","5","3","1","7","1") = "6"
    & skf18("4","4","5","3","1","8","1") = "7"
    & skf18("4","4","5","3","1","9","1") = "8"
    & skf18("4","4","5","3","1","10","1") = "9"
    & skf18("4","4","5","3","2","1","1") = "4"
    & skf18("4","4","5","3","2","2","1") = "4"
    & skf18("4","4","5","3","2","3","1") = "4"
    & skf18("4","4","5","3","2","4","1") = "4"
    & skf18("4","4","5","3","2","5","1") = "4"
    & skf18("4","4","5","3","2","6","1") = "5"
    & skf18("4","4","5","3","2","7","1") = "6"
    & skf18("4","4","5","3","2","8","1") = "7"
    & skf18("4","4","5","3","2","9","1") = "8"
    & skf18("4","4","5","3","2","10","1") = "9"
    & skf18("4","4","5","3","3","1","1") = "4"
    & skf18("4","4","5","3","3","2","1") = "4"
    & skf18("4","4","5","3","3","3","1") = "4"
    & skf18("4","4","5","3","3","4","1") = "4"
    & skf18("4","4","5","3","3","5","1") = "4"
    & skf18("4","4","5","3","3","6","1") = "5"
    & skf18("4","4","5","3","3","7","1") = "6"
    & skf18("4","4","5","3","3","8","1") = "7"
    & skf18("4","4","5","3","3","9","1") = "8"
    & skf18("4","4","5","3","3","10","1") = "9"
    & skf18("4","4","5","3","4","1","1") = "4"
    & skf18("4","4","5","3","4","2","1") = "4"
    & skf18("4","4","5","3","4","3","1") = "4"
    & skf18("4","4","5","3","4","4","1") = "4"
    & skf18("4","4","5","3","4","5","1") = "4"
    & skf18("4","4","5","3","4","6","1") = "5"
    & skf18("4","4","5","3","4","7","1") = "6"
    & skf18("4","4","5","3","4","8","1") = "7"
    & skf18("4","4","5","3","4","9","1") = "8"
    & skf18("4","4","5","3","4","10","1") = "9"
    & skf18("4","4","5","3","5","1","1") = "4"
    & skf18("4","4","5","3","5","2","1") = "4"
    & skf18("4","4","5","3","5","3","1") = "4"
    & skf18("4","4","5","3","5","4","1") = "4"
    & skf18("4","4","5","3","5","5","1") = "4"
    & skf18("4","4","5","3","5","6","1") = "5"
    & skf18("4","4","5","3","5","7","1") = "6"
    & skf18("4","4","5","3","5","8","1") = "7"
    & skf18("4","4","5","3","5","9","1") = "8"
    & skf18("4","4","5","3","5","10","1") = "9"
    & skf18("4","4","5","3","6","1","1") = "5"
    & skf18("4","4","5","3","6","2","1") = "5"
    & skf18("4","4","5","3","6","3","1") = "5"
    & skf18("4","4","5","3","6","4","1") = "5"
    & skf18("4","4","5","3","6","5","1") = "5"
    & skf18("4","4","5","3","6","6","1") = "5"
    & skf18("4","4","5","3","6","7","1") = "6"
    & skf18("4","4","5","3","6","8","1") = "7"
    & skf18("4","4","5","3","6","9","1") = "8"
    & skf18("4","4","5","3","6","10","1") = "9"
    & skf18("4","4","5","3","7","1","1") = "6"
    & skf18("4","4","5","3","7","2","1") = "6"
    & skf18("4","4","5","3","7","3","1") = "6"
    & skf18("4","4","5","3","7","4","1") = "6"
    & skf18("4","4","5","3","7","5","1") = "6"
    & skf18("4","4","5","3","7","6","1") = "6"
    & skf18("4","4","5","3","7","7","1") = "6"
    & skf18("4","4","5","3","7","8","1") = "7"
    & skf18("4","4","5","3","7","9","1") = "8"
    & skf18("4","4","5","3","7","10","1") = "9"
    & skf18("4","4","5","3","8","1","1") = "7"
    & skf18("4","4","5","3","8","2","1") = "7"
    & skf18("4","4","5","3","8","3","1") = "7"
    & skf18("4","4","5","3","8","4","1") = "7"
    & skf18("4","4","5","3","8","5","1") = "7"
    & skf18("4","4","5","3","8","6","1") = "7"
    & skf18("4","4","5","3","8","7","1") = "7"
    & skf18("4","4","5","3","8","8","1") = "7"
    & skf18("4","4","5","3","8","9","1") = "8"
    & skf18("4","4","5","3","8","10","1") = "9"
    & skf18("4","4","5","3","9","1","1") = "8"
    & skf18("4","4","5","3","9","2","1") = "8"
    & skf18("4","4","5","3","9","3","1") = "8"
    & skf18("4","4","5","3","9","4","1") = "8"
    & skf18("4","4","5","3","9","5","1") = "8"
    & skf18("4","4","5","3","9","6","1") = "8"
    & skf18("4","4","5","3","9","7","1") = "8"
    & skf18("4","4","5","3","9","8","1") = "8"
    & skf18("4","4","5","3","9","9","1") = "8"
    & skf18("4","4","5","3","9","10","1") = "9"
    & skf18("4","4","5","3","10","1","1") = "9"
    & skf18("4","4","5","3","10","2","1") = "9"
    & skf18("4","4","5","3","10","3","1") = "9"
    & skf18("4","4","5","3","10","4","1") = "9"
    & skf18("4","4","5","3","10","5","1") = "9"
    & skf18("4","4","5","3","10","6","1") = "9"
    & skf18("4","4","5","3","10","7","1") = "9"
    & skf18("4","4","5","3","10","8","1") = "9"
    & skf18("4","4","5","3","10","9","1") = "9"
    & skf18("4","4","5","3","10","10","1") = "9"
    & skf18("4","4","5","4","1","1","1") = "4"
    & skf18("4","4","5","4","1","2","1") = "4"
    & skf18("4","4","5","4","1","3","1") = "4"
    & skf18("4","4","5","4","1","4","1") = "4"
    & skf18("4","4","5","4","1","5","1") = "4"
    & skf18("4","4","5","4","1","6","1") = "5"
    & skf18("4","4","5","4","1","7","1") = "6"
    & skf18("4","4","5","4","1","8","1") = "7"
    & skf18("4","4","5","4","1","9","1") = "8"
    & skf18("4","4","5","4","1","10","1") = "9"
    & skf18("4","4","5","4","2","1","1") = "4"
    & skf18("4","4","5","4","2","2","1") = "4"
    & skf18("4","4","5","4","2","3","1") = "4"
    & skf18("4","4","5","4","2","4","1") = "4"
    & skf18("4","4","5","4","2","5","1") = "4"
    & skf18("4","4","5","4","2","6","1") = "5"
    & skf18("4","4","5","4","2","7","1") = "6"
    & skf18("4","4","5","4","2","8","1") = "7"
    & skf18("4","4","5","4","2","9","1") = "8"
    & skf18("4","4","5","4","2","10","1") = "9"
    & skf18("4","4","5","4","3","1","1") = "4"
    & skf18("4","4","5","4","3","2","1") = "4"
    & skf18("4","4","5","4","3","3","1") = "4"
    & skf18("4","4","5","4","3","4","1") = "4"
    & skf18("4","4","5","4","3","5","1") = "4"
    & skf18("4","4","5","4","3","6","1") = "5"
    & skf18("4","4","5","4","3","7","1") = "6"
    & skf18("4","4","5","4","3","8","1") = "7"
    & skf18("4","4","5","4","3","9","1") = "8"
    & skf18("4","4","5","4","3","10","1") = "9"
    & skf18("4","4","5","4","4","1","1") = "4"
    & skf18("4","4","5","4","4","2","1") = "4"
    & skf18("4","4","5","4","4","3","1") = "4"
    & skf18("4","4","5","4","4","4","1") = "4"
    & skf18("4","4","5","4","4","5","1") = "4"
    & skf18("4","4","5","4","4","6","1") = "5"
    & skf18("4","4","5","4","4","7","1") = "6"
    & skf18("4","4","5","4","4","8","1") = "7"
    & skf18("4","4","5","4","4","9","1") = "8"
    & skf18("4","4","5","4","4","10","1") = "9"
    & skf18("4","4","5","4","5","1","1") = "4"
    & skf18("4","4","5","4","5","2","1") = "4"
    & skf18("4","4","5","4","5","3","1") = "4"
    & skf18("4","4","5","4","5","4","1") = "4"
    & skf18("4","4","5","4","5","5","1") = "4"
    & skf18("4","4","5","4","5","6","1") = "5"
    & skf18("4","4","5","4","5","7","1") = "6"
    & skf18("4","4","5","4","5","8","1") = "7"
    & skf18("4","4","5","4","5","9","1") = "8"
    & skf18("4","4","5","4","5","10","1") = "9"
    & skf18("4","4","5","4","6","1","1") = "5"
    & skf18("4","4","5","4","6","2","1") = "5"
    & skf18("4","4","5","4","6","3","1") = "5"
    & skf18("4","4","5","4","6","4","1") = "5"
    & skf18("4","4","5","4","6","5","1") = "5"
    & skf18("4","4","5","4","6","6","1") = "5"
    & skf18("4","4","5","4","6","7","1") = "6"
    & skf18("4","4","5","4","6","8","1") = "7"
    & skf18("4","4","5","4","6","9","1") = "8"
    & skf18("4","4","5","4","6","10","1") = "9"
    & skf18("4","4","5","4","7","1","1") = "6"
    & skf18("4","4","5","4","7","2","1") = "6"
    & skf18("4","4","5","4","7","3","1") = "6"
    & skf18("4","4","5","4","7","4","1") = "6"
    & skf18("4","4","5","4","7","5","1") = "6"
    & skf18("4","4","5","4","7","6","1") = "6"
    & skf18("4","4","5","4","7","7","1") = "6"
    & skf18("4","4","5","4","7","8","1") = "7"
    & skf18("4","4","5","4","7","9","1") = "8"
    & skf18("4","4","5","4","7","10","1") = "9"
    & skf18("4","4","5","4","8","1","1") = "7"
    & skf18("4","4","5","4","8","2","1") = "7"
    & skf18("4","4","5","4","8","3","1") = "7"
    & skf18("4","4","5","4","8","4","1") = "7"
    & skf18("4","4","5","4","8","5","1") = "7"
    & skf18("4","4","5","4","8","6","1") = "7"
    & skf18("4","4","5","4","8","7","1") = "7"
    & skf18("4","4","5","4","8","8","1") = "7"
    & skf18("4","4","5","4","8","9","1") = "8"
    & skf18("4","4","5","4","8","10","1") = "9"
    & skf18("4","4","5","4","9","1","1") = "8"
    & skf18("4","4","5","4","9","2","1") = "8"
    & skf18("4","4","5","4","9","3","1") = "8"
    & skf18("4","4","5","4","9","4","1") = "8"
    & skf18("4","4","5","4","9","5","1") = "8"
    & skf18("4","4","5","4","9","6","1") = "8"
    & skf18("4","4","5","4","9","7","1") = "8"
    & skf18("4","4","5","4","9","8","1") = "8"
    & skf18("4","4","5","4","9","9","1") = "8"
    & skf18("4","4","5","4","9","10","1") = "9"
    & skf18("4","4","5","4","10","1","1") = "9"
    & skf18("4","4","5","4","10","2","1") = "9"
    & skf18("4","4","5","4","10","3","1") = "9"
    & skf18("4","4","5","4","10","4","1") = "9"
    & skf18("4","4","5","4","10","5","1") = "9"
    & skf18("4","4","5","4","10","6","1") = "9"
    & skf18("4","4","5","4","10","7","1") = "9"
    & skf18("4","4","5","4","10","8","1") = "9"
    & skf18("4","4","5","4","10","9","1") = "9"
    & skf18("4","4","5","4","10","10","1") = "9"
    & skf18("4","4","5","5","1","1","1") = "4"
    & skf18("4","4","5","5","1","2","1") = "4"
    & skf18("4","4","5","5","1","3","1") = "4"
    & skf18("4","4","5","5","1","4","1") = "4"
    & skf18("4","4","5","5","1","5","1") = "4"
    & skf18("4","4","5","5","1","6","1") = "5"
    & skf18("4","4","5","5","1","7","1") = "6"
    & skf18("4","4","5","5","1","8","1") = "7"
    & skf18("4","4","5","5","1","9","1") = "8"
    & skf18("4","4","5","5","1","10","1") = "9"
    & skf18("4","4","5","5","2","1","1") = "4"
    & skf18("4","4","5","5","2","2","1") = "4"
    & skf18("4","4","5","5","2","3","1") = "4"
    & skf18("4","4","5","5","2","4","1") = "4"
    & skf18("4","4","5","5","2","5","1") = "4"
    & skf18("4","4","5","5","2","6","1") = "5"
    & skf18("4","4","5","5","2","7","1") = "6"
    & skf18("4","4","5","5","2","8","1") = "7"
    & skf18("4","4","5","5","2","9","1") = "8"
    & skf18("4","4","5","5","2","10","1") = "9"
    & skf18("4","4","5","5","3","1","1") = "4"
    & skf18("4","4","5","5","3","2","1") = "4"
    & skf18("4","4","5","5","3","3","1") = "4"
    & skf18("4","4","5","5","3","4","1") = "4"
    & skf18("4","4","5","5","3","5","1") = "4"
    & skf18("4","4","5","5","3","6","1") = "5"
    & skf18("4","4","5","5","3","7","1") = "6"
    & skf18("4","4","5","5","3","8","1") = "7"
    & skf18("4","4","5","5","3","9","1") = "8"
    & skf18("4","4","5","5","3","10","1") = "9"
    & skf18("4","4","5","5","4","1","1") = "4"
    & skf18("4","4","5","5","4","2","1") = "4"
    & skf18("4","4","5","5","4","3","1") = "4"
    & skf18("4","4","5","5","4","4","1") = "4"
    & skf18("4","4","5","5","4","5","1") = "4"
    & skf18("4","4","5","5","4","6","1") = "5"
    & skf18("4","4","5","5","4","7","1") = "6"
    & skf18("4","4","5","5","4","8","1") = "7"
    & skf18("4","4","5","5","4","9","1") = "8"
    & skf18("4","4","5","5","4","10","1") = "9"
    & skf18("4","4","5","5","5","1","1") = "4"
    & skf18("4","4","5","5","5","2","1") = "4"
    & skf18("4","4","5","5","5","3","1") = "4"
    & skf18("4","4","5","5","5","4","1") = "4"
    & skf18("4","4","5","5","5","5","1") = "4"
    & skf18("4","4","5","5","5","6","1") = "5"
    & skf18("4","4","5","5","5","7","1") = "6"
    & skf18("4","4","5","5","5","8","1") = "7"
    & skf18("4","4","5","5","5","9","1") = "8"
    & skf18("4","4","5","5","5","10","1") = "9"
    & skf18("4","4","5","5","6","1","1") = "5"
    & skf18("4","4","5","5","6","2","1") = "5"
    & skf18("4","4","5","5","6","3","1") = "5"
    & skf18("4","4","5","5","6","4","1") = "5"
    & skf18("4","4","5","5","6","5","1") = "5"
    & skf18("4","4","5","5","6","6","1") = "5"
    & skf18("4","4","5","5","6","7","1") = "6"
    & skf18("4","4","5","5","6","8","1") = "7"
    & skf18("4","4","5","5","6","9","1") = "8"
    & skf18("4","4","5","5","6","10","1") = "9"
    & skf18("4","4","5","5","7","1","1") = "6"
    & skf18("4","4","5","5","7","2","1") = "6"
    & skf18("4","4","5","5","7","3","1") = "6"
    & skf18("4","4","5","5","7","4","1") = "6"
    & skf18("4","4","5","5","7","5","1") = "6"
    & skf18("4","4","5","5","7","6","1") = "6"
    & skf18("4","4","5","5","7","7","1") = "6"
    & skf18("4","4","5","5","7","8","1") = "7"
    & skf18("4","4","5","5","7","9","1") = "8"
    & skf18("4","4","5","5","7","10","1") = "9"
    & skf18("4","4","5","5","8","1","1") = "7"
    & skf18("4","4","5","5","8","2","1") = "7"
    & skf18("4","4","5","5","8","3","1") = "7"
    & skf18("4","4","5","5","8","4","1") = "7"
    & skf18("4","4","5","5","8","5","1") = "7"
    & skf18("4","4","5","5","8","6","1") = "7"
    & skf18("4","4","5","5","8","7","1") = "7"
    & skf18("4","4","5","5","8","8","1") = "7"
    & skf18("4","4","5","5","8","9","1") = "8"
    & skf18("4","4","5","5","8","10","1") = "9"
    & skf18("4","4","5","5","9","1","1") = "8"
    & skf18("4","4","5","5","9","2","1") = "8"
    & skf18("4","4","5","5","9","3","1") = "8"
    & skf18("4","4","5","5","9","4","1") = "8"
    & skf18("4","4","5","5","9","5","1") = "8"
    & skf18("4","4","5","5","9","6","1") = "8"
    & skf18("4","4","5","5","9","7","1") = "8"
    & skf18("4","4","5","5","9","8","1") = "8"
    & skf18("4","4","5","5","9","9","1") = "8"
    & skf18("4","4","5","5","9","10","1") = "9"
    & skf18("4","4","5","5","10","1","1") = "9"
    & skf18("4","4","5","5","10","2","1") = "9"
    & skf18("4","4","5","5","10","3","1") = "9"
    & skf18("4","4","5","5","10","4","1") = "9"
    & skf18("4","4","5","5","10","5","1") = "9"
    & skf18("4","4","5","5","10","6","1") = "9"
    & skf18("4","4","5","5","10","7","1") = "9"
    & skf18("4","4","5","5","10","8","1") = "9"
    & skf18("4","4","5","5","10","9","1") = "9"
    & skf18("4","4","5","5","10","10","1") = "9"
    & skf18("4","4","5","6","1","1","1") = "5"
    & skf18("4","4","5","6","1","2","1") = "5"
    & skf18("4","4","5","6","1","3","1") = "5"
    & skf18("4","4","5","6","1","4","1") = "5"
    & skf18("4","4","5","6","1","5","1") = "5"
    & skf18("4","4","5","6","1","6","1") = "5"
    & skf18("4","4","5","6","1","7","1") = "6"
    & skf18("4","4","5","6","1","8","1") = "7"
    & skf18("4","4","5","6","1","9","1") = "8"
    & skf18("4","4","5","6","1","10","1") = "9"
    & skf18("4","4","5","6","2","1","1") = "5"
    & skf18("4","4","5","6","2","2","1") = "5"
    & skf18("4","4","5","6","2","3","1") = "5"
    & skf18("4","4","5","6","2","4","1") = "5"
    & skf18("4","4","5","6","2","5","1") = "5"
    & skf18("4","4","5","6","2","6","1") = "5"
    & skf18("4","4","5","6","2","7","1") = "6"
    & skf18("4","4","5","6","2","8","1") = "7"
    & skf18("4","4","5","6","2","9","1") = "8"
    & skf18("4","4","5","6","2","10","1") = "9"
    & skf18("4","4","5","6","3","1","1") = "5"
    & skf18("4","4","5","6","3","2","1") = "5"
    & skf18("4","4","5","6","3","3","1") = "5"
    & skf18("4","4","5","6","3","4","1") = "5"
    & skf18("4","4","5","6","3","5","1") = "5"
    & skf18("4","4","5","6","3","6","1") = "5"
    & skf18("4","4","5","6","3","7","1") = "6"
    & skf18("4","4","5","6","3","8","1") = "7"
    & skf18("4","4","5","6","3","9","1") = "8"
    & skf18("4","4","5","6","3","10","1") = "9"
    & skf18("4","4","5","6","4","1","1") = "5"
    & skf18("4","4","5","6","4","2","1") = "5"
    & skf18("4","4","5","6","4","3","1") = "5"
    & skf18("4","4","5","6","4","4","1") = "5"
    & skf18("4","4","5","6","4","5","1") = "5"
    & skf18("4","4","5","6","4","6","1") = "5"
    & skf18("4","4","5","6","4","7","1") = "6"
    & skf18("4","4","5","6","4","8","1") = "7"
    & skf18("4","4","5","6","4","9","1") = "8"
    & skf18("4","4","5","6","4","10","1") = "9"
    & skf18("4","4","5","6","5","1","1") = "5"
    & skf18("4","4","5","6","5","2","1") = "5"
    & skf18("4","4","5","6","5","3","1") = "5"
    & skf18("4","4","5","6","5","4","1") = "5"
    & skf18("4","4","5","6","5","5","1") = "5"
    & skf18("4","4","5","6","5","6","1") = "5"
    & skf18("4","4","5","6","5","7","1") = "6"
    & skf18("4","4","5","6","5","8","1") = "7"
    & skf18("4","4","5","6","5","9","1") = "8"
    & skf18("4","4","5","6","5","10","1") = "9"
    & skf18("4","4","5","6","6","1","1") = "5"
    & skf18("4","4","5","6","6","2","1") = "5"
    & skf18("4","4","5","6","6","3","1") = "5"
    & skf18("4","4","5","6","6","4","1") = "5"
    & skf18("4","4","5","6","6","5","1") = "5"
    & skf18("4","4","5","6","6","6","1") = "5"
    & skf18("4","4","5","6","6","7","1") = "6"
    & skf18("4","4","5","6","6","8","1") = "7"
    & skf18("4","4","5","6","6","9","1") = "8"
    & skf18("4","4","5","6","6","10","1") = "9"
    & skf18("4","4","5","6","7","1","1") = "6"
    & skf18("4","4","5","6","7","2","1") = "6"
    & skf18("4","4","5","6","7","3","1") = "6"
    & skf18("4","4","5","6","7","4","1") = "6"
    & skf18("4","4","5","6","7","5","1") = "6"
    & skf18("4","4","5","6","7","6","1") = "6"
    & skf18("4","4","5","6","7","7","1") = "6"
    & skf18("4","4","5","6","7","8","1") = "7"
    & skf18("4","4","5","6","7","9","1") = "8"
    & skf18("4","4","5","6","7","10","1") = "9"
    & skf18("4","4","5","6","8","1","1") = "7"
    & skf18("4","4","5","6","8","2","1") = "7"
    & skf18("4","4","5","6","8","3","1") = "7"
    & skf18("4","4","5","6","8","4","1") = "7"
    & skf18("4","4","5","6","8","5","1") = "7"
    & skf18("4","4","5","6","8","6","1") = "7"
    & skf18("4","4","5","6","8","7","1") = "7"
    & skf18("4","4","5","6","8","8","1") = "7"
    & skf18("4","4","5","6","8","9","1") = "8"
    & skf18("4","4","5","6","8","10","1") = "9"
    & skf18("4","4","5","6","9","1","1") = "8"
    & skf18("4","4","5","6","9","2","1") = "8"
    & skf18("4","4","5","6","9","3","1") = "8"
    & skf18("4","4","5","6","9","4","1") = "8"
    & skf18("4","4","5","6","9","5","1") = "8"
    & skf18("4","4","5","6","9","6","1") = "8"
    & skf18("4","4","5","6","9","7","1") = "8"
    & skf18("4","4","5","6","9","8","1") = "8"
    & skf18("4","4","5","6","9","9","1") = "8"
    & skf18("4","4","5","6","9","10","1") = "9"
    & skf18("4","4","5","6","10","1","1") = "9"
    & skf18("4","4","5","6","10","2","1") = "9"
    & skf18("4","4","5","6","10","3","1") = "9"
    & skf18("4","4","5","6","10","4","1") = "9"
    & skf18("4","4","5","6","10","5","1") = "9"
    & skf18("4","4","5","6","10","6","1") = "9"
    & skf18("4","4","5","6","10","7","1") = "9"
    & skf18("4","4","5","6","10","8","1") = "9"
    & skf18("4","4","5","6","10","9","1") = "9"
    & skf18("4","4","5","6","10","10","1") = "9"
    & skf18("4","4","5","7","1","1","1") = "6"
    & skf18("4","4","5","7","1","2","1") = "6"
    & skf18("4","4","5","7","1","3","1") = "6"
    & skf18("4","4","5","7","1","4","1") = "6"
    & skf18("4","4","5","7","1","5","1") = "6"
    & skf18("4","4","5","7","1","6","1") = "6"
    & skf18("4","4","5","7","1","7","1") = "6"
    & skf18("4","4","5","7","1","8","1") = "7"
    & skf18("4","4","5","7","1","9","1") = "8"
    & skf18("4","4","5","7","1","10","1") = "9"
    & skf18("4","4","5","7","2","1","1") = "6"
    & skf18("4","4","5","7","2","2","1") = "6"
    & skf18("4","4","5","7","2","3","1") = "6"
    & skf18("4","4","5","7","2","4","1") = "6"
    & skf18("4","4","5","7","2","5","1") = "6"
    & skf18("4","4","5","7","2","6","1") = "6"
    & skf18("4","4","5","7","2","7","1") = "6"
    & skf18("4","4","5","7","2","8","1") = "7"
    & skf18("4","4","5","7","2","9","1") = "8"
    & skf18("4","4","5","7","2","10","1") = "9"
    & skf18("4","4","5","7","3","1","1") = "6"
    & skf18("4","4","5","7","3","2","1") = "6"
    & skf18("4","4","5","7","3","3","1") = "6"
    & skf18("4","4","5","7","3","4","1") = "6"
    & skf18("4","4","5","7","3","5","1") = "6"
    & skf18("4","4","5","7","3","6","1") = "6"
    & skf18("4","4","5","7","3","7","1") = "6"
    & skf18("4","4","5","7","3","8","1") = "7"
    & skf18("4","4","5","7","3","9","1") = "8"
    & skf18("4","4","5","7","3","10","1") = "9"
    & skf18("4","4","5","7","4","1","1") = "6"
    & skf18("4","4","5","7","4","2","1") = "6"
    & skf18("4","4","5","7","4","3","1") = "6"
    & skf18("4","4","5","7","4","4","1") = "6"
    & skf18("4","4","5","7","4","5","1") = "6"
    & skf18("4","4","5","7","4","6","1") = "6"
    & skf18("4","4","5","7","4","7","1") = "6"
    & skf18("4","4","5","7","4","8","1") = "7"
    & skf18("4","4","5","7","4","9","1") = "8"
    & skf18("4","4","5","7","4","10","1") = "9"
    & skf18("4","4","5","7","5","1","1") = "6"
    & skf18("4","4","5","7","5","2","1") = "6"
    & skf18("4","4","5","7","5","3","1") = "6"
    & skf18("4","4","5","7","5","4","1") = "6"
    & skf18("4","4","5","7","5","5","1") = "6"
    & skf18("4","4","5","7","5","6","1") = "6"
    & skf18("4","4","5","7","5","7","1") = "6"
    & skf18("4","4","5","7","5","8","1") = "7"
    & skf18("4","4","5","7","5","9","1") = "8"
    & skf18("4","4","5","7","5","10","1") = "9"
    & skf18("4","4","5","7","6","1","1") = "6"
    & skf18("4","4","5","7","6","2","1") = "6"
    & skf18("4","4","5","7","6","3","1") = "6"
    & skf18("4","4","5","7","6","4","1") = "6"
    & skf18("4","4","5","7","6","5","1") = "6"
    & skf18("4","4","5","7","6","6","1") = "6"
    & skf18("4","4","5","7","6","7","1") = "6"
    & skf18("4","4","5","7","6","8","1") = "7"
    & skf18("4","4","5","7","6","9","1") = "8"
    & skf18("4","4","5","7","6","10","1") = "9"
    & skf18("4","4","5","7","7","1","1") = "6"
    & skf18("4","4","5","7","7","2","1") = "6"
    & skf18("4","4","5","7","7","3","1") = "6"
    & skf18("4","4","5","7","7","4","1") = "6"
    & skf18("4","4","5","7","7","5","1") = "6"
    & skf18("4","4","5","7","7","6","1") = "6"
    & skf18("4","4","5","7","7","7","1") = "6"
    & skf18("4","4","5","7","7","8","1") = "7"
    & skf18("4","4","5","7","7","9","1") = "8"
    & skf18("4","4","5","7","7","10","1") = "9"
    & skf18("4","4","5","7","8","1","1") = "7"
    & skf18("4","4","5","7","8","2","1") = "7"
    & skf18("4","4","5","7","8","3","1") = "7"
    & skf18("4","4","5","7","8","4","1") = "7"
    & skf18("4","4","5","7","8","5","1") = "7"
    & skf18("4","4","5","7","8","6","1") = "7"
    & skf18("4","4","5","7","8","7","1") = "7"
    & skf18("4","4","5","7","8","8","1") = "7"
    & skf18("4","4","5","7","8","9","1") = "8"
    & skf18("4","4","5","7","8","10","1") = "9"
    & skf18("4","4","5","7","9","1","1") = "8"
    & skf18("4","4","5","7","9","2","1") = "8"
    & skf18("4","4","5","7","9","3","1") = "8"
    & skf18("4","4","5","7","9","4","1") = "8"
    & skf18("4","4","5","7","9","5","1") = "8"
    & skf18("4","4","5","7","9","6","1") = "8"
    & skf18("4","4","5","7","9","7","1") = "8"
    & skf18("4","4","5","7","9","8","1") = "8"
    & skf18("4","4","5","7","9","9","1") = "8"
    & skf18("4","4","5","7","9","10","1") = "9"
    & skf18("4","4","5","7","10","1","1") = "9"
    & skf18("4","4","5","7","10","2","1") = "9"
    & skf18("4","4","5","7","10","3","1") = "9"
    & skf18("4","4","5","7","10","4","1") = "9"
    & skf18("4","4","5","7","10","5","1") = "9"
    & skf18("4","4","5","7","10","6","1") = "9"
    & skf18("4","4","5","7","10","7","1") = "9"
    & skf18("4","4","5","7","10","8","1") = "9"
    & skf18("4","4","5","7","10","9","1") = "9"
    & skf18("4","4","5","7","10","10","1") = "9"
    & skf18("4","4","5","8","1","1","1") = "7"
    & skf18("4","4","5","8","1","2","1") = "7"
    & skf18("4","4","5","8","1","3","1") = "7"
    & skf18("4","4","5","8","1","4","1") = "7"
    & skf18("4","4","5","8","1","5","1") = "7"
    & skf18("4","4","5","8","1","6","1") = "7"
    & skf18("4","4","5","8","1","7","1") = "7"
    & skf18("4","4","5","8","1","8","1") = "7"
    & skf18("4","4","5","8","1","9","1") = "8"
    & skf18("4","4","5","8","1","10","1") = "9"
    & skf18("4","4","5","8","2","1","1") = "7"
    & skf18("4","4","5","8","2","2","1") = "7"
    & skf18("4","4","5","8","2","3","1") = "7"
    & skf18("4","4","5","8","2","4","1") = "7"
    & skf18("4","4","5","8","2","5","1") = "7"
    & skf18("4","4","5","8","2","6","1") = "7"
    & skf18("4","4","5","8","2","7","1") = "7"
    & skf18("4","4","5","8","2","8","1") = "7"
    & skf18("4","4","5","8","2","9","1") = "8"
    & skf18("4","4","5","8","2","10","1") = "9"
    & skf18("4","4","5","8","3","1","1") = "7"
    & skf18("4","4","5","8","3","2","1") = "7"
    & skf18("4","4","5","8","3","3","1") = "7"
    & skf18("4","4","5","8","3","4","1") = "7"
    & skf18("4","4","5","8","3","5","1") = "7"
    & skf18("4","4","5","8","3","6","1") = "7"
    & skf18("4","4","5","8","3","7","1") = "7"
    & skf18("4","4","5","8","3","8","1") = "7"
    & skf18("4","4","5","8","3","9","1") = "8"
    & skf18("4","4","5","8","3","10","1") = "9"
    & skf18("4","4","5","8","4","1","1") = "7"
    & skf18("4","4","5","8","4","2","1") = "7"
    & skf18("4","4","5","8","4","3","1") = "7"
    & skf18("4","4","5","8","4","4","1") = "7"
    & skf18("4","4","5","8","4","5","1") = "7"
    & skf18("4","4","5","8","4","6","1") = "7"
    & skf18("4","4","5","8","4","7","1") = "7"
    & skf18("4","4","5","8","4","8","1") = "7"
    & skf18("4","4","5","8","4","9","1") = "8"
    & skf18("4","4","5","8","4","10","1") = "9"
    & skf18("4","4","5","8","5","1","1") = "7"
    & skf18("4","4","5","8","5","2","1") = "7"
    & skf18("4","4","5","8","5","3","1") = "7"
    & skf18("4","4","5","8","5","4","1") = "7"
    & skf18("4","4","5","8","5","5","1") = "7"
    & skf18("4","4","5","8","5","6","1") = "7"
    & skf18("4","4","5","8","5","7","1") = "7"
    & skf18("4","4","5","8","5","8","1") = "7"
    & skf18("4","4","5","8","5","9","1") = "8"
    & skf18("4","4","5","8","5","10","1") = "9"
    & skf18("4","4","5","8","6","1","1") = "7"
    & skf18("4","4","5","8","6","2","1") = "7"
    & skf18("4","4","5","8","6","3","1") = "7"
    & skf18("4","4","5","8","6","4","1") = "7"
    & skf18("4","4","5","8","6","5","1") = "7"
    & skf18("4","4","5","8","6","6","1") = "7"
    & skf18("4","4","5","8","6","7","1") = "7"
    & skf18("4","4","5","8","6","8","1") = "7"
    & skf18("4","4","5","8","6","9","1") = "8"
    & skf18("4","4","5","8","6","10","1") = "9"
    & skf18("4","4","5","8","7","1","1") = "7"
    & skf18("4","4","5","8","7","2","1") = "7"
    & skf18("4","4","5","8","7","3","1") = "7"
    & skf18("4","4","5","8","7","4","1") = "7"
    & skf18("4","4","5","8","7","5","1") = "7"
    & skf18("4","4","5","8","7","6","1") = "7"
    & skf18("4","4","5","8","7","7","1") = "7"
    & skf18("4","4","5","8","7","8","1") = "7"
    & skf18("4","4","5","8","7","9","1") = "8"
    & skf18("4","4","5","8","7","10","1") = "9"
    & skf18("4","4","5","8","8","1","1") = "7"
    & skf18("4","4","5","8","8","2","1") = "7"
    & skf18("4","4","5","8","8","3","1") = "7"
    & skf18("4","4","5","8","8","4","1") = "7"
    & skf18("4","4","5","8","8","5","1") = "7"
    & skf18("4","4","5","8","8","6","1") = "7"
    & skf18("4","4","5","8","8","7","1") = "7"
    & skf18("4","4","5","8","8","8","1") = "7"
    & skf18("4","4","5","8","8","9","1") = "8"
    & skf18("4","4","5","8","8","10","1") = "9"
    & skf18("4","4","5","8","9","1","1") = "8"
    & skf18("4","4","5","8","9","2","1") = "8"
    & skf18("4","4","5","8","9","3","1") = "8"
    & skf18("4","4","5","8","9","4","1") = "8"
    & skf18("4","4","5","8","9","5","1") = "8"
    & skf18("4","4","5","8","9","6","1") = "8"
    & skf18("4","4","5","8","9","7","1") = "8"
    & skf18("4","4","5","8","9","8","1") = "8"
    & skf18("4","4","5","8","9","9","1") = "8"
    & skf18("4","4","5","8","9","10","1") = "9"
    & skf18("4","4","5","8","10","1","1") = "9"
    & skf18("4","4","5","8","10","2","1") = "9"
    & skf18("4","4","5","8","10","3","1") = "9"
    & skf18("4","4","5","8","10","4","1") = "9"
    & skf18("4","4","5","8","10","5","1") = "9"
    & skf18("4","4","5","8","10","6","1") = "9"
    & skf18("4","4","5","8","10","7","1") = "9"
    & skf18("4","4","5","8","10","8","1") = "9"
    & skf18("4","4","5","8","10","9","1") = "9"
    & skf18("4","4","5","8","10","10","1") = "9"
    & skf18("4","4","5","9","1","1","1") = "8"
    & skf18("4","4","5","9","1","2","1") = "8"
    & skf18("4","4","5","9","1","3","1") = "8"
    & skf18("4","4","5","9","1","4","1") = "8"
    & skf18("4","4","5","9","1","5","1") = "8"
    & skf18("4","4","5","9","1","6","1") = "8"
    & skf18("4","4","5","9","1","7","1") = "8"
    & skf18("4","4","5","9","1","8","1") = "8"
    & skf18("4","4","5","9","1","9","1") = "8"
    & skf18("4","4","5","9","1","10","1") = "9"
    & skf18("4","4","5","9","2","1","1") = "8"
    & skf18("4","4","5","9","2","2","1") = "8"
    & skf18("4","4","5","9","2","3","1") = "8"
    & skf18("4","4","5","9","2","4","1") = "8"
    & skf18("4","4","5","9","2","5","1") = "8"
    & skf18("4","4","5","9","2","6","1") = "8"
    & skf18("4","4","5","9","2","7","1") = "8"
    & skf18("4","4","5","9","2","8","1") = "8"
    & skf18("4","4","5","9","2","9","1") = "8"
    & skf18("4","4","5","9","2","10","1") = "9"
    & skf18("4","4","5","9","3","1","1") = "8"
    & skf18("4","4","5","9","3","2","1") = "8"
    & skf18("4","4","5","9","3","3","1") = "8"
    & skf18("4","4","5","9","3","4","1") = "8"
    & skf18("4","4","5","9","3","5","1") = "8"
    & skf18("4","4","5","9","3","6","1") = "8"
    & skf18("4","4","5","9","3","7","1") = "8"
    & skf18("4","4","5","9","3","8","1") = "8"
    & skf18("4","4","5","9","3","9","1") = "8"
    & skf18("4","4","5","9","3","10","1") = "9"
    & skf18("4","4","5","9","4","1","1") = "8"
    & skf18("4","4","5","9","4","2","1") = "8"
    & skf18("4","4","5","9","4","3","1") = "8"
    & skf18("4","4","5","9","4","4","1") = "8"
    & skf18("4","4","5","9","4","5","1") = "8"
    & skf18("4","4","5","9","4","6","1") = "8"
    & skf18("4","4","5","9","4","7","1") = "8"
    & skf18("4","4","5","9","4","8","1") = "8"
    & skf18("4","4","5","9","4","9","1") = "8"
    & skf18("4","4","5","9","4","10","1") = "9"
    & skf18("4","4","5","9","5","1","1") = "8"
    & skf18("4","4","5","9","5","2","1") = "8"
    & skf18("4","4","5","9","5","3","1") = "8"
    & skf18("4","4","5","9","5","4","1") = "8"
    & skf18("4","4","5","9","5","5","1") = "8"
    & skf18("4","4","5","9","5","6","1") = "8"
    & skf18("4","4","5","9","5","7","1") = "8"
    & skf18("4","4","5","9","5","8","1") = "8"
    & skf18("4","4","5","9","5","9","1") = "8"
    & skf18("4","4","5","9","5","10","1") = "9"
    & skf18("4","4","5","9","6","1","1") = "8"
    & skf18("4","4","5","9","6","2","1") = "8"
    & skf18("4","4","5","9","6","3","1") = "8"
    & skf18("4","4","5","9","6","4","1") = "8"
    & skf18("4","4","5","9","6","5","1") = "8"
    & skf18("4","4","5","9","6","6","1") = "8"
    & skf18("4","4","5","9","6","7","1") = "8"
    & skf18("4","4","5","9","6","8","1") = "8"
    & skf18("4","4","5","9","6","9","1") = "8"
    & skf18("4","4","5","9","6","10","1") = "9"
    & skf18("4","4","5","9","7","1","1") = "8"
    & skf18("4","4","5","9","7","2","1") = "8"
    & skf18("4","4","5","9","7","3","1") = "8"
    & skf18("4","4","5","9","7","4","1") = "8"
    & skf18("4","4","5","9","7","5","1") = "8"
    & skf18("4","4","5","9","7","6","1") = "8"
    & skf18("4","4","5","9","7","7","1") = "8"
    & skf18("4","4","5","9","7","8","1") = "8"
    & skf18("4","4","5","9","7","9","1") = "8"
    & skf18("4","4","5","9","7","10","1") = "9"
    & skf18("4","4","5","9","8","1","1") = "8"
    & skf18("4","4","5","9","8","2","1") = "8"
    & skf18("4","4","5","9","8","3","1") = "8"
    & skf18("4","4","5","9","8","4","1") = "8"
    & skf18("4","4","5","9","8","5","1") = "8"
    & skf18("4","4","5","9","8","6","1") = "8"
    & skf18("4","4","5","9","8","7","1") = "8"
    & skf18("4","4","5","9","8","8","1") = "8"
    & skf18("4","4","5","9","8","9","1") = "8"
    & skf18("4","4","5","9","8","10","1") = "9"
    & skf18("4","4","5","9","9","1","1") = "8"
    & skf18("4","4","5","9","9","2","1") = "8"
    & skf18("4","4","5","9","9","3","1") = "8"
    & skf18("4","4","5","9","9","4","1") = "8"
    & skf18("4","4","5","9","9","5","1") = "8"
    & skf18("4","4","5","9","9","6","1") = "8"
    & skf18("4","4","5","9","9","7","1") = "8"
    & skf18("4","4","5","9","9","8","1") = "8"
    & skf18("4","4","5","9","9","9","1") = "8"
    & skf18("4","4","5","9","9","10","1") = "9"
    & skf18("4","4","5","9","10","1","1") = "9"
    & skf18("4","4","5","9","10","2","1") = "9"
    & skf18("4","4","5","9","10","3","1") = "9"
    & skf18("4","4","5","9","10","4","1") = "9"
    & skf18("4","4","5","9","10","5","1") = "9"
    & skf18("4","4","5","9","10","6","1") = "9"
    & skf18("4","4","5","9","10","7","1") = "9"
    & skf18("4","4","5","9","10","8","1") = "9"
    & skf18("4","4","5","9","10","9","1") = "9"
    & skf18("4","4","5","9","10","10","1") = "9"
    & skf18("4","4","5","10","1","1","1") = "9"
    & skf18("4","4","5","10","1","2","1") = "9"
    & skf18("4","4","5","10","1","3","1") = "9"
    & skf18("4","4","5","10","1","4","1") = "9"
    & skf18("4","4","5","10","1","5","1") = "9"
    & skf18("4","4","5","10","1","6","1") = "9"
    & skf18("4","4","5","10","1","7","1") = "9"
    & skf18("4","4","5","10","1","8","1") = "9"
    & skf18("4","4","5","10","1","9","1") = "9"
    & skf18("4","4","5","10","1","10","1") = "9"
    & skf18("4","4","5","10","2","1","1") = "9"
    & skf18("4","4","5","10","2","2","1") = "9"
    & skf18("4","4","5","10","2","3","1") = "9"
    & skf18("4","4","5","10","2","4","1") = "9"
    & skf18("4","4","5","10","2","5","1") = "9"
    & skf18("4","4","5","10","2","6","1") = "9"
    & skf18("4","4","5","10","2","7","1") = "9"
    & skf18("4","4","5","10","2","8","1") = "9"
    & skf18("4","4","5","10","2","9","1") = "9"
    & skf18("4","4","5","10","2","10","1") = "9"
    & skf18("4","4","5","10","3","1","1") = "9"
    & skf18("4","4","5","10","3","2","1") = "9"
    & skf18("4","4","5","10","3","3","1") = "9"
    & skf18("4","4","5","10","3","4","1") = "9"
    & skf18("4","4","5","10","3","5","1") = "9"
    & skf18("4","4","5","10","3","6","1") = "9"
    & skf18("4","4","5","10","3","7","1") = "9"
    & skf18("4","4","5","10","3","8","1") = "9"
    & skf18("4","4","5","10","3","9","1") = "9"
    & skf18("4","4","5","10","3","10","1") = "9"
    & skf18("4","4","5","10","4","1","1") = "9"
    & skf18("4","4","5","10","4","2","1") = "9"
    & skf18("4","4","5","10","4","3","1") = "9"
    & skf18("4","4","5","10","4","4","1") = "9"
    & skf18("4","4","5","10","4","5","1") = "9"
    & skf18("4","4","5","10","4","6","1") = "9"
    & skf18("4","4","5","10","4","7","1") = "9"
    & skf18("4","4","5","10","4","8","1") = "9"
    & skf18("4","4","5","10","4","9","1") = "9"
    & skf18("4","4","5","10","4","10","1") = "9"
    & skf18("4","4","5","10","5","1","1") = "9"
    & skf18("4","4","5","10","5","2","1") = "9"
    & skf18("4","4","5","10","5","3","1") = "9"
    & skf18("4","4","5","10","5","4","1") = "9"
    & skf18("4","4","5","10","5","5","1") = "9"
    & skf18("4","4","5","10","5","6","1") = "9"
    & skf18("4","4","5","10","5","7","1") = "9"
    & skf18("4","4","5","10","5","8","1") = "9"
    & skf18("4","4","5","10","5","9","1") = "9"
    & skf18("4","4","5","10","5","10","1") = "9"
    & skf18("4","4","5","10","6","1","1") = "9"
    & skf18("4","4","5","10","6","2","1") = "9"
    & skf18("4","4","5","10","6","3","1") = "9"
    & skf18("4","4","5","10","6","4","1") = "9"
    & skf18("4","4","5","10","6","5","1") = "9"
    & skf18("4","4","5","10","6","6","1") = "9"
    & skf18("4","4","5","10","6","7","1") = "9"
    & skf18("4","4","5","10","6","8","1") = "9"
    & skf18("4","4","5","10","6","9","1") = "9"
    & skf18("4","4","5","10","6","10","1") = "9"
    & skf18("4","4","5","10","7","1","1") = "9"
    & skf18("4","4","5","10","7","2","1") = "9"
    & skf18("4","4","5","10","7","3","1") = "9"
    & skf18("4","4","5","10","7","4","1") = "9"
    & skf18("4","4","5","10","7","5","1") = "9"
    & skf18("4","4","5","10","7","6","1") = "9"
    & skf18("4","4","5","10","7","7","1") = "9"
    & skf18("4","4","5","10","7","8","1") = "9"
    & skf18("4","4","5","10","7","9","1") = "9"
    & skf18("4","4","5","10","7","10","1") = "9"
    & skf18("4","4","5","10","8","1","1") = "9"
    & skf18("4","4","5","10","8","2","1") = "9"
    & skf18("4","4","5","10","8","3","1") = "9"
    & skf18("4","4","5","10","8","4","1") = "9"
    & skf18("4","4","5","10","8","5","1") = "9"
    & skf18("4","4","5","10","8","6","1") = "9"
    & skf18("4","4","5","10","8","7","1") = "9"
    & skf18("4","4","5","10","8","8","1") = "9"
    & skf18("4","4","5","10","8","9","1") = "9"
    & skf18("4","4","5","10","8","10","1") = "9"
    & skf18("4","4","5","10","9","1","1") = "9"
    & skf18("4","4","5","10","9","2","1") = "9"
    & skf18("4","4","5","10","9","3","1") = "9"
    & skf18("4","4","5","10","9","4","1") = "9"
    & skf18("4","4","5","10","9","5","1") = "9"
    & skf18("4","4","5","10","9","6","1") = "9"
    & skf18("4","4","5","10","9","7","1") = "9"
    & skf18("4","4","5","10","9","8","1") = "9"
    & skf18("4","4","5","10","9","9","1") = "9"
    & skf18("4","4","5","10","9","10","1") = "9"
    & skf18("4","4","5","10","10","1","1") = "9"
    & skf18("4","4","5","10","10","2","1") = "9"
    & skf18("4","4","5","10","10","3","1") = "9"
    & skf18("4","4","5","10","10","4","1") = "9"
    & skf18("4","4","5","10","10","5","1") = "9"
    & skf18("4","4","5","10","10","6","1") = "9"
    & skf18("4","4","5","10","10","7","1") = "9"
    & skf18("4","4","5","10","10","8","1") = "9"
    & skf18("4","4","5","10","10","9","1") = "9"
    & skf18("4","4","5","10","10","10","1") = "9"
    & skf18("4","4","6","1","1","1","1") = "5"
    & skf18("4","4","6","1","1","2","1") = "5"
    & skf18("4","4","6","1","1","3","1") = "5"
    & skf18("4","4","6","1","1","4","1") = "5"
    & skf18("4","4","6","1","1","5","1") = "5"
    & skf18("4","4","6","1","1","6","1") = "5"
    & skf18("4","4","6","1","1","7","1") = "6"
    & skf18("4","4","6","1","1","8","1") = "7"
    & skf18("4","4","6","1","1","9","1") = "8"
    & skf18("4","4","6","1","1","10","1") = "9"
    & skf18("4","4","6","1","2","1","1") = "5"
    & skf18("4","4","6","1","2","2","1") = "5"
    & skf18("4","4","6","1","2","3","1") = "5"
    & skf18("4","4","6","1","2","4","1") = "5"
    & skf18("4","4","6","1","2","5","1") = "5"
    & skf18("4","4","6","1","2","6","1") = "5"
    & skf18("4","4","6","1","2","7","1") = "6"
    & skf18("4","4","6","1","2","8","1") = "7"
    & skf18("4","4","6","1","2","9","1") = "8"
    & skf18("4","4","6","1","2","10","1") = "9"
    & skf18("4","4","6","1","3","1","1") = "5"
    & skf18("4","4","6","1","3","2","1") = "5"
    & skf18("4","4","6","1","3","3","1") = "5"
    & skf18("4","4","6","1","3","4","1") = "5"
    & skf18("4","4","6","1","3","5","1") = "5"
    & skf18("4","4","6","1","3","6","1") = "5"
    & skf18("4","4","6","1","3","7","1") = "6"
    & skf18("4","4","6","1","3","8","1") = "7"
    & skf18("4","4","6","1","3","9","1") = "8"
    & skf18("4","4","6","1","3","10","1") = "9"
    & skf18("4","4","6","1","4","1","1") = "5"
    & skf18("4","4","6","1","4","2","1") = "5"
    & skf18("4","4","6","1","4","3","1") = "5"
    & skf18("4","4","6","1","4","4","1") = "5"
    & skf18("4","4","6","1","4","5","1") = "5"
    & skf18("4","4","6","1","4","6","1") = "5"
    & skf18("4","4","6","1","4","7","1") = "6"
    & skf18("4","4","6","1","4","8","1") = "7"
    & skf18("4","4","6","1","4","9","1") = "8"
    & skf18("4","4","6","1","4","10","1") = "9"
    & skf18("4","4","6","1","5","1","1") = "5"
    & skf18("4","4","6","1","5","2","1") = "5"
    & skf18("4","4","6","1","5","3","1") = "5"
    & skf18("4","4","6","1","5","4","1") = "5"
    & skf18("4","4","6","1","5","5","1") = "5"
    & skf18("4","4","6","1","5","6","1") = "5"
    & skf18("4","4","6","1","5","7","1") = "6"
    & skf18("4","4","6","1","5","8","1") = "7"
    & skf18("4","4","6","1","5","9","1") = "8"
    & skf18("4","4","6","1","5","10","1") = "9"
    & skf18("4","4","6","1","6","1","1") = "5"
    & skf18("4","4","6","1","6","2","1") = "5"
    & skf18("4","4","6","1","6","3","1") = "5"
    & skf18("4","4","6","1","6","4","1") = "5"
    & skf18("4","4","6","1","6","5","1") = "5"
    & skf18("4","4","6","1","6","6","1") = "5"
    & skf18("4","4","6","1","6","7","1") = "6"
    & skf18("4","4","6","1","6","8","1") = "7"
    & skf18("4","4","6","1","6","9","1") = "8"
    & skf18("4","4","6","1","6","10","1") = "9"
    & skf18("4","4","6","1","7","1","1") = "6"
    & skf18("4","4","6","1","7","2","1") = "6"
    & skf18("4","4","6","1","7","3","1") = "6"
    & skf18("4","4","6","1","7","4","1") = "6"
    & skf18("4","4","6","1","7","5","1") = "6"
    & skf18("4","4","6","1","7","6","1") = "6"
    & skf18("4","4","6","1","7","7","1") = "6"
    & skf18("4","4","6","1","7","8","1") = "7"
    & skf18("4","4","6","1","7","9","1") = "8"
    & skf18("4","4","6","1","7","10","1") = "9"
    & skf18("4","4","6","1","8","1","1") = "7"
    & skf18("4","4","6","1","8","2","1") = "7"
    & skf18("4","4","6","1","8","3","1") = "7"
    & skf18("4","4","6","1","8","4","1") = "7"
    & skf18("4","4","6","1","8","5","1") = "7"
    & skf18("4","4","6","1","8","6","1") = "7"
    & skf18("4","4","6","1","8","7","1") = "7"
    & skf18("4","4","6","1","8","8","1") = "7"
    & skf18("4","4","6","1","8","9","1") = "8"
    & skf18("4","4","6","1","8","10","1") = "9"
    & skf18("4","4","6","1","9","1","1") = "8"
    & skf18("4","4","6","1","9","2","1") = "8"
    & skf18("4","4","6","1","9","3","1") = "8"
    & skf18("4","4","6","1","9","4","1") = "8"
    & skf18("4","4","6","1","9","5","1") = "8"
    & skf18("4","4","6","1","9","6","1") = "8"
    & skf18("4","4","6","1","9","7","1") = "8"
    & skf18("4","4","6","1","9","8","1") = "8"
    & skf18("4","4","6","1","9","9","1") = "8"
    & skf18("4","4","6","1","9","10","1") = "9"
    & skf18("4","4","6","1","10","1","1") = "9"
    & skf18("4","4","6","1","10","2","1") = "9"
    & skf18("4","4","6","1","10","3","1") = "9"
    & skf18("4","4","6","1","10","4","1") = "9"
    & skf18("4","4","6","1","10","5","1") = "9"
    & skf18("4","4","6","1","10","6","1") = "9"
    & skf18("4","4","6","1","10","7","1") = "9"
    & skf18("4","4","6","1","10","8","1") = "9"
    & skf18("4","4","6","1","10","9","1") = "9"
    & skf18("4","4","6","1","10","10","1") = "9"
    & skf18("4","4","6","2","1","1","1") = "5"
    & skf18("4","4","6","2","1","2","1") = "5"
    & skf18("4","4","6","2","1","3","1") = "5"
    & skf18("4","4","6","2","1","4","1") = "5"
    & skf18("4","4","6","2","1","5","1") = "5"
    & skf18("4","4","6","2","1","6","1") = "5"
    & skf18("4","4","6","2","1","7","1") = "6"
    & skf18("4","4","6","2","1","8","1") = "7"
    & skf18("4","4","6","2","1","9","1") = "8"
    & skf18("4","4","6","2","1","10","1") = "9"
    & skf18("4","4","6","2","2","1","1") = "5"
    & skf18("4","4","6","2","2","2","1") = "5"
    & skf18("4","4","6","2","2","3","1") = "5"
    & skf18("4","4","6","2","2","4","1") = "5"
    & skf18("4","4","6","2","2","5","1") = "5"
    & skf18("4","4","6","2","2","6","1") = "5"
    & skf18("4","4","6","2","2","7","1") = "6"
    & skf18("4","4","6","2","2","8","1") = "7"
    & skf18("4","4","6","2","2","9","1") = "8"
    & skf18("4","4","6","2","2","10","1") = "9"
    & skf18("4","4","6","2","3","1","1") = "5"
    & skf18("4","4","6","2","3","2","1") = "5"
    & skf18("4","4","6","2","3","3","1") = "5"
    & skf18("4","4","6","2","3","4","1") = "5"
    & skf18("4","4","6","2","3","5","1") = "5"
    & skf18("4","4","6","2","3","6","1") = "5"
    & skf18("4","4","6","2","3","7","1") = "6"
    & skf18("4","4","6","2","3","8","1") = "7"
    & skf18("4","4","6","2","3","9","1") = "8"
    & skf18("4","4","6","2","3","10","1") = "9"
    & skf18("4","4","6","2","4","1","1") = "5"
    & skf18("4","4","6","2","4","2","1") = "5"
    & skf18("4","4","6","2","4","3","1") = "5"
    & skf18("4","4","6","2","4","4","1") = "5"
    & skf18("4","4","6","2","4","5","1") = "5"
    & skf18("4","4","6","2","4","6","1") = "5"
    & skf18("4","4","6","2","4","7","1") = "6"
    & skf18("4","4","6","2","4","8","1") = "7"
    & skf18("4","4","6","2","4","9","1") = "8"
    & skf18("4","4","6","2","4","10","1") = "9"
    & skf18("4","4","6","2","5","1","1") = "5"
    & skf18("4","4","6","2","5","2","1") = "5"
    & skf18("4","4","6","2","5","3","1") = "5"
    & skf18("4","4","6","2","5","4","1") = "5"
    & skf18("4","4","6","2","5","5","1") = "5"
    & skf18("4","4","6","2","5","6","1") = "5"
    & skf18("4","4","6","2","5","7","1") = "6"
    & skf18("4","4","6","2","5","8","1") = "7"
    & skf18("4","4","6","2","5","9","1") = "8"
    & skf18("4","4","6","2","5","10","1") = "9"
    & skf18("4","4","6","2","6","1","1") = "5"
    & skf18("4","4","6","2","6","2","1") = "5"
    & skf18("4","4","6","2","6","3","1") = "5"
    & skf18("4","4","6","2","6","4","1") = "5"
    & skf18("4","4","6","2","6","5","1") = "5"
    & skf18("4","4","6","2","6","6","1") = "5"
    & skf18("4","4","6","2","6","7","1") = "6"
    & skf18("4","4","6","2","6","8","1") = "7"
    & skf18("4","4","6","2","6","9","1") = "8"
    & skf18("4","4","6","2","6","10","1") = "9"
    & skf18("4","4","6","2","7","1","1") = "6"
    & skf18("4","4","6","2","7","2","1") = "6"
    & skf18("4","4","6","2","7","3","1") = "6"
    & skf18("4","4","6","2","7","4","1") = "6"
    & skf18("4","4","6","2","7","5","1") = "6"
    & skf18("4","4","6","2","7","6","1") = "6"
    & skf18("4","4","6","2","7","7","1") = "6"
    & skf18("4","4","6","2","7","8","1") = "7"
    & skf18("4","4","6","2","7","9","1") = "8"
    & skf18("4","4","6","2","7","10","1") = "9"
    & skf18("4","4","6","2","8","1","1") = "7"
    & skf18("4","4","6","2","8","2","1") = "7"
    & skf18("4","4","6","2","8","3","1") = "7"
    & skf18("4","4","6","2","8","4","1") = "7"
    & skf18("4","4","6","2","8","5","1") = "7"
    & skf18("4","4","6","2","8","6","1") = "7"
    & skf18("4","4","6","2","8","7","1") = "7"
    & skf18("4","4","6","2","8","8","1") = "7"
    & skf18("4","4","6","2","8","9","1") = "8"
    & skf18("4","4","6","2","8","10","1") = "9"
    & skf18("4","4","6","2","9","1","1") = "8"
    & skf18("4","4","6","2","9","2","1") = "8"
    & skf18("4","4","6","2","9","3","1") = "8"
    & skf18("4","4","6","2","9","4","1") = "8"
    & skf18("4","4","6","2","9","5","1") = "8"
    & skf18("4","4","6","2","9","6","1") = "8"
    & skf18("4","4","6","2","9","7","1") = "8"
    & skf18("4","4","6","2","9","8","1") = "8"
    & skf18("4","4","6","2","9","9","1") = "8"
    & skf18("4","4","6","2","9","10","1") = "9"
    & skf18("4","4","6","2","10","1","1") = "9"
    & skf18("4","4","6","2","10","2","1") = "9"
    & skf18("4","4","6","2","10","3","1") = "9"
    & skf18("4","4","6","2","10","4","1") = "9"
    & skf18("4","4","6","2","10","5","1") = "9"
    & skf18("4","4","6","2","10","6","1") = "9"
    & skf18("4","4","6","2","10","7","1") = "9"
    & skf18("4","4","6","2","10","8","1") = "9"
    & skf18("4","4","6","2","10","9","1") = "9"
    & skf18("4","4","6","2","10","10","1") = "9"
    & skf18("4","4","6","3","1","1","1") = "5"
    & skf18("4","4","6","3","1","2","1") = "5"
    & skf18("4","4","6","3","1","3","1") = "5"
    & skf18("4","4","6","3","1","4","1") = "5"
    & skf18("4","4","6","3","1","5","1") = "5"
    & skf18("4","4","6","3","1","6","1") = "5"
    & skf18("4","4","6","3","1","7","1") = "6"
    & skf18("4","4","6","3","1","8","1") = "7"
    & skf18("4","4","6","3","1","9","1") = "8"
    & skf18("4","4","6","3","1","10","1") = "9"
    & skf18("4","4","6","3","2","1","1") = "5"
    & skf18("4","4","6","3","2","2","1") = "5"
    & skf18("4","4","6","3","2","3","1") = "5"
    & skf18("4","4","6","3","2","4","1") = "5"
    & skf18("4","4","6","3","2","5","1") = "5"
    & skf18("4","4","6","3","2","6","1") = "5"
    & skf18("4","4","6","3","2","7","1") = "6"
    & skf18("4","4","6","3","2","8","1") = "7"
    & skf18("4","4","6","3","2","9","1") = "8"
    & skf18("4","4","6","3","2","10","1") = "9"
    & skf18("4","4","6","3","3","1","1") = "5"
    & skf18("4","4","6","3","3","2","1") = "5"
    & skf18("4","4","6","3","3","3","1") = "5"
    & skf18("4","4","6","3","3","4","1") = "5"
    & skf18("4","4","6","3","3","5","1") = "5"
    & skf18("4","4","6","3","3","6","1") = "5"
    & skf18("4","4","6","3","3","7","1") = "6"
    & skf18("4","4","6","3","3","8","1") = "7"
    & skf18("4","4","6","3","3","9","1") = "8"
    & skf18("4","4","6","3","3","10","1") = "9"
    & skf18("4","4","6","3","4","1","1") = "5"
    & skf18("4","4","6","3","4","2","1") = "5"
    & skf18("4","4","6","3","4","3","1") = "5"
    & skf18("4","4","6","3","4","4","1") = "5"
    & skf18("4","4","6","3","4","5","1") = "5"
    & skf18("4","4","6","3","4","6","1") = "5"
    & skf18("4","4","6","3","4","7","1") = "6"
    & skf18("4","4","6","3","4","8","1") = "7"
    & skf18("4","4","6","3","4","9","1") = "8"
    & skf18("4","4","6","3","4","10","1") = "9"
    & skf18("4","4","6","3","5","1","1") = "5"
    & skf18("4","4","6","3","5","2","1") = "5"
    & skf18("4","4","6","3","5","3","1") = "5"
    & skf18("4","4","6","3","5","4","1") = "5"
    & skf18("4","4","6","3","5","5","1") = "5"
    & skf18("4","4","6","3","5","6","1") = "5"
    & skf18("4","4","6","3","5","7","1") = "6"
    & skf18("4","4","6","3","5","8","1") = "7"
    & skf18("4","4","6","3","5","9","1") = "8"
    & skf18("4","4","6","3","5","10","1") = "9"
    & skf18("4","4","6","3","6","1","1") = "5"
    & skf18("4","4","6","3","6","2","1") = "5"
    & skf18("4","4","6","3","6","3","1") = "5"
    & skf18("4","4","6","3","6","4","1") = "5"
    & skf18("4","4","6","3","6","5","1") = "5"
    & skf18("4","4","6","3","6","6","1") = "5"
    & skf18("4","4","6","3","6","7","1") = "6"
    & skf18("4","4","6","3","6","8","1") = "7"
    & skf18("4","4","6","3","6","9","1") = "8"
    & skf18("4","4","6","3","6","10","1") = "9"
    & skf18("4","4","6","3","7","1","1") = "6"
    & skf18("4","4","6","3","7","2","1") = "6"
    & skf18("4","4","6","3","7","3","1") = "6"
    & skf18("4","4","6","3","7","4","1") = "6"
    & skf18("4","4","6","3","7","5","1") = "6"
    & skf18("4","4","6","3","7","6","1") = "6"
    & skf18("4","4","6","3","7","7","1") = "6"
    & skf18("4","4","6","3","7","8","1") = "7"
    & skf18("4","4","6","3","7","9","1") = "8"
    & skf18("4","4","6","3","7","10","1") = "9"
    & skf18("4","4","6","3","8","1","1") = "7"
    & skf18("4","4","6","3","8","2","1") = "7"
    & skf18("4","4","6","3","8","3","1") = "7"
    & skf18("4","4","6","3","8","4","1") = "7"
    & skf18("4","4","6","3","8","5","1") = "7"
    & skf18("4","4","6","3","8","6","1") = "7"
    & skf18("4","4","6","3","8","7","1") = "7"
    & skf18("4","4","6","3","8","8","1") = "7"
    & skf18("4","4","6","3","8","9","1") = "8"
    & skf18("4","4","6","3","8","10","1") = "9"
    & skf18("4","4","6","3","9","1","1") = "8"
    & skf18("4","4","6","3","9","2","1") = "8"
    & skf18("4","4","6","3","9","3","1") = "8"
    & skf18("4","4","6","3","9","4","1") = "8"
    & skf18("4","4","6","3","9","5","1") = "8"
    & skf18("4","4","6","3","9","6","1") = "8"
    & skf18("4","4","6","3","9","7","1") = "8"
    & skf18("4","4","6","3","9","8","1") = "8"
    & skf18("4","4","6","3","9","9","1") = "8"
    & skf18("4","4","6","3","9","10","1") = "9"
    & skf18("4","4","6","3","10","1","1") = "9"
    & skf18("4","4","6","3","10","2","1") = "9"
    & skf18("4","4","6","3","10","3","1") = "9"
    & skf18("4","4","6","3","10","4","1") = "9"
    & skf18("4","4","6","3","10","5","1") = "9"
    & skf18("4","4","6","3","10","6","1") = "9"
    & skf18("4","4","6","3","10","7","1") = "9"
    & skf18("4","4","6","3","10","8","1") = "9"
    & skf18("4","4","6","3","10","9","1") = "9"
    & skf18("4","4","6","3","10","10","1") = "9"
    & skf18("4","4","6","4","1","1","1") = "5"
    & skf18("4","4","6","4","1","2","1") = "5"
    & skf18("4","4","6","4","1","3","1") = "5"
    & skf18("4","4","6","4","1","4","1") = "5"
    & skf18("4","4","6","4","1","5","1") = "5"
    & skf18("4","4","6","4","1","6","1") = "5"
    & skf18("4","4","6","4","1","7","1") = "6"
    & skf18("4","4","6","4","1","8","1") = "7"
    & skf18("4","4","6","4","1","9","1") = "8"
    & skf18("4","4","6","4","1","10","1") = "9"
    & skf18("4","4","6","4","2","1","1") = "5"
    & skf18("4","4","6","4","2","2","1") = "5"
    & skf18("4","4","6","4","2","3","1") = "5"
    & skf18("4","4","6","4","2","4","1") = "5"
    & skf18("4","4","6","4","2","5","1") = "5"
    & skf18("4","4","6","4","2","6","1") = "5"
    & skf18("4","4","6","4","2","7","1") = "6"
    & skf18("4","4","6","4","2","8","1") = "7"
    & skf18("4","4","6","4","2","9","1") = "8"
    & skf18("4","4","6","4","2","10","1") = "9"
    & skf18("4","4","6","4","3","1","1") = "5"
    & skf18("4","4","6","4","3","2","1") = "5"
    & skf18("4","4","6","4","3","3","1") = "5"
    & skf18("4","4","6","4","3","4","1") = "5"
    & skf18("4","4","6","4","3","5","1") = "5"
    & skf18("4","4","6","4","3","6","1") = "5"
    & skf18("4","4","6","4","3","7","1") = "6"
    & skf18("4","4","6","4","3","8","1") = "7"
    & skf18("4","4","6","4","3","9","1") = "8"
    & skf18("4","4","6","4","3","10","1") = "9"
    & skf18("4","4","6","4","4","1","1") = "5"
    & skf18("4","4","6","4","4","2","1") = "5"
    & skf18("4","4","6","4","4","3","1") = "5"
    & skf18("4","4","6","4","4","4","1") = "5"
    & skf18("4","4","6","4","4","5","1") = "5"
    & skf18("4","4","6","4","4","6","1") = "5"
    & skf18("4","4","6","4","4","7","1") = "6"
    & skf18("4","4","6","4","4","8","1") = "7"
    & skf18("4","4","6","4","4","9","1") = "8"
    & skf18("4","4","6","4","4","10","1") = "9"
    & skf18("4","4","6","4","5","1","1") = "5"
    & skf18("4","4","6","4","5","2","1") = "5"
    & skf18("4","4","6","4","5","3","1") = "5"
    & skf18("4","4","6","4","5","4","1") = "5"
    & skf18("4","4","6","4","5","5","1") = "5"
    & skf18("4","4","6","4","5","6","1") = "5"
    & skf18("4","4","6","4","5","7","1") = "6"
    & skf18("4","4","6","4","5","8","1") = "7"
    & skf18("4","4","6","4","5","9","1") = "8"
    & skf18("4","4","6","4","5","10","1") = "9"
    & skf18("4","4","6","4","6","1","1") = "5"
    & skf18("4","4","6","4","6","2","1") = "5"
    & skf18("4","4","6","4","6","3","1") = "5"
    & skf18("4","4","6","4","6","4","1") = "5"
    & skf18("4","4","6","4","6","5","1") = "5"
    & skf18("4","4","6","4","6","6","1") = "5"
    & skf18("4","4","6","4","6","7","1") = "6"
    & skf18("4","4","6","4","6","8","1") = "7"
    & skf18("4","4","6","4","6","9","1") = "8"
    & skf18("4","4","6","4","6","10","1") = "9"
    & skf18("4","4","6","4","7","1","1") = "6"
    & skf18("4","4","6","4","7","2","1") = "6"
    & skf18("4","4","6","4","7","3","1") = "6"
    & skf18("4","4","6","4","7","4","1") = "6"
    & skf18("4","4","6","4","7","5","1") = "6"
    & skf18("4","4","6","4","7","6","1") = "6"
    & skf18("4","4","6","4","7","7","1") = "6"
    & skf18("4","4","6","4","7","8","1") = "7"
    & skf18("4","4","6","4","7","9","1") = "8"
    & skf18("4","4","6","4","7","10","1") = "9"
    & skf18("4","4","6","4","8","1","1") = "7"
    & skf18("4","4","6","4","8","2","1") = "7"
    & skf18("4","4","6","4","8","3","1") = "7"
    & skf18("4","4","6","4","8","4","1") = "7"
    & skf18("4","4","6","4","8","5","1") = "7"
    & skf18("4","4","6","4","8","6","1") = "7"
    & skf18("4","4","6","4","8","7","1") = "7"
    & skf18("4","4","6","4","8","8","1") = "7"
    & skf18("4","4","6","4","8","9","1") = "8"
    & skf18("4","4","6","4","8","10","1") = "9"
    & skf18("4","4","6","4","9","1","1") = "8"
    & skf18("4","4","6","4","9","2","1") = "8"
    & skf18("4","4","6","4","9","3","1") = "8"
    & skf18("4","4","6","4","9","4","1") = "8"
    & skf18("4","4","6","4","9","5","1") = "8"
    & skf18("4","4","6","4","9","6","1") = "8"
    & skf18("4","4","6","4","9","7","1") = "8"
    & skf18("4","4","6","4","9","8","1") = "8"
    & skf18("4","4","6","4","9","9","1") = "8"
    & skf18("4","4","6","4","9","10","1") = "9"
    & skf18("4","4","6","4","10","1","1") = "9"
    & skf18("4","4","6","4","10","2","1") = "9"
    & skf18("4","4","6","4","10","3","1") = "9"
    & skf18("4","4","6","4","10","4","1") = "9"
    & skf18("4","4","6","4","10","5","1") = "9"
    & skf18("4","4","6","4","10","6","1") = "9"
    & skf18("4","4","6","4","10","7","1") = "9"
    & skf18("4","4","6","4","10","8","1") = "9"
    & skf18("4","4","6","4","10","9","1") = "9"
    & skf18("4","4","6","4","10","10","1") = "9"
    & skf18("4","4","6","5","1","1","1") = "5"
    & skf18("4","4","6","5","1","2","1") = "5"
    & skf18("4","4","6","5","1","3","1") = "5"
    & skf18("4","4","6","5","1","4","1") = "5"
    & skf18("4","4","6","5","1","5","1") = "5"
    & skf18("4","4","6","5","1","6","1") = "5"
    & skf18("4","4","6","5","1","7","1") = "6"
    & skf18("4","4","6","5","1","8","1") = "7"
    & skf18("4","4","6","5","1","9","1") = "8"
    & skf18("4","4","6","5","1","10","1") = "9"
    & skf18("4","4","6","5","2","1","1") = "5"
    & skf18("4","4","6","5","2","2","1") = "5"
    & skf18("4","4","6","5","2","3","1") = "5"
    & skf18("4","4","6","5","2","4","1") = "5"
    & skf18("4","4","6","5","2","5","1") = "5"
    & skf18("4","4","6","5","2","6","1") = "5"
    & skf18("4","4","6","5","2","7","1") = "6"
    & skf18("4","4","6","5","2","8","1") = "7"
    & skf18("4","4","6","5","2","9","1") = "8"
    & skf18("4","4","6","5","2","10","1") = "9"
    & skf18("4","4","6","5","3","1","1") = "5"
    & skf18("4","4","6","5","3","2","1") = "5"
    & skf18("4","4","6","5","3","3","1") = "5"
    & skf18("4","4","6","5","3","4","1") = "5"
    & skf18("4","4","6","5","3","5","1") = "5"
    & skf18("4","4","6","5","3","6","1") = "5"
    & skf18("4","4","6","5","3","7","1") = "6"
    & skf18("4","4","6","5","3","8","1") = "7"
    & skf18("4","4","6","5","3","9","1") = "8"
    & skf18("4","4","6","5","3","10","1") = "9"
    & skf18("4","4","6","5","4","1","1") = "5"
    & skf18("4","4","6","5","4","2","1") = "5"
    & skf18("4","4","6","5","4","3","1") = "5"
    & skf18("4","4","6","5","4","4","1") = "5"
    & skf18("4","4","6","5","4","5","1") = "5"
    & skf18("4","4","6","5","4","6","1") = "5"
    & skf18("4","4","6","5","4","7","1") = "6"
    & skf18("4","4","6","5","4","8","1") = "7"
    & skf18("4","4","6","5","4","9","1") = "8"
    & skf18("4","4","6","5","4","10","1") = "9"
    & skf18("4","4","6","5","5","1","1") = "5"
    & skf18("4","4","6","5","5","2","1") = "5"
    & skf18("4","4","6","5","5","3","1") = "5"
    & skf18("4","4","6","5","5","4","1") = "5"
    & skf18("4","4","6","5","5","5","1") = "5"
    & skf18("4","4","6","5","5","6","1") = "5"
    & skf18("4","4","6","5","5","7","1") = "6"
    & skf18("4","4","6","5","5","8","1") = "7"
    & skf18("4","4","6","5","5","9","1") = "8"
    & skf18("4","4","6","5","5","10","1") = "9"
    & skf18("4","4","6","5","6","1","1") = "5"
    & skf18("4","4","6","5","6","2","1") = "5"
    & skf18("4","4","6","5","6","3","1") = "5"
    & skf18("4","4","6","5","6","4","1") = "5"
    & skf18("4","4","6","5","6","5","1") = "5"
    & skf18("4","4","6","5","6","6","1") = "5"
    & skf18("4","4","6","5","6","7","1") = "6"
    & skf18("4","4","6","5","6","8","1") = "7"
    & skf18("4","4","6","5","6","9","1") = "8"
    & skf18("4","4","6","5","6","10","1") = "9"
    & skf18("4","4","6","5","7","1","1") = "6"
    & skf18("4","4","6","5","7","2","1") = "6"
    & skf18("4","4","6","5","7","3","1") = "6"
    & skf18("4","4","6","5","7","4","1") = "6"
    & skf18("4","4","6","5","7","5","1") = "6"
    & skf18("4","4","6","5","7","6","1") = "6"
    & skf18("4","4","6","5","7","7","1") = "6"
    & skf18("4","4","6","5","7","8","1") = "7"
    & skf18("4","4","6","5","7","9","1") = "8"
    & skf18("4","4","6","5","7","10","1") = "9"
    & skf18("4","4","6","5","8","1","1") = "7"
    & skf18("4","4","6","5","8","2","1") = "7"
    & skf18("4","4","6","5","8","3","1") = "7"
    & skf18("4","4","6","5","8","4","1") = "7"
    & skf18("4","4","6","5","8","5","1") = "7"
    & skf18("4","4","6","5","8","6","1") = "7"
    & skf18("4","4","6","5","8","7","1") = "7"
    & skf18("4","4","6","5","8","8","1") = "7"
    & skf18("4","4","6","5","8","9","1") = "8"
    & skf18("4","4","6","5","8","10","1") = "9"
    & skf18("4","4","6","5","9","1","1") = "8"
    & skf18("4","4","6","5","9","2","1") = "8"
    & skf18("4","4","6","5","9","3","1") = "8"
    & skf18("4","4","6","5","9","4","1") = "8"
    & skf18("4","4","6","5","9","5","1") = "8"
    & skf18("4","4","6","5","9","6","1") = "8"
    & skf18("4","4","6","5","9","7","1") = "8"
    & skf18("4","4","6","5","9","8","1") = "8"
    & skf18("4","4","6","5","9","9","1") = "8"
    & skf18("4","4","6","5","9","10","1") = "9"
    & skf18("4","4","6","5","10","1","1") = "9"
    & skf18("4","4","6","5","10","2","1") = "9"
    & skf18("4","4","6","5","10","3","1") = "9"
    & skf18("4","4","6","5","10","4","1") = "9"
    & skf18("4","4","6","5","10","5","1") = "9"
    & skf18("4","4","6","5","10","6","1") = "9"
    & skf18("4","4","6","5","10","7","1") = "9"
    & skf18("4","4","6","5","10","8","1") = "9"
    & skf18("4","4","6","5","10","9","1") = "9"
    & skf18("4","4","6","5","10","10","1") = "9"
    & skf18("4","4","6","6","1","1","1") = "5"
    & skf18("4","4","6","6","1","2","1") = "5"
    & skf18("4","4","6","6","1","3","1") = "5"
    & skf18("4","4","6","6","1","4","1") = "5"
    & skf18("4","4","6","6","1","5","1") = "5"
    & skf18("4","4","6","6","1","6","1") = "5"
    & skf18("4","4","6","6","1","7","1") = "6"
    & skf18("4","4","6","6","1","8","1") = "7"
    & skf18("4","4","6","6","1","9","1") = "8"
    & skf18("4","4","6","6","1","10","1") = "9"
    & skf18("4","4","6","6","2","1","1") = "5"
    & skf18("4","4","6","6","2","2","1") = "5"
    & skf18("4","4","6","6","2","3","1") = "5"
    & skf18("4","4","6","6","2","4","1") = "5"
    & skf18("4","4","6","6","2","5","1") = "5"
    & skf18("4","4","6","6","2","6","1") = "5"
    & skf18("4","4","6","6","2","7","1") = "6"
    & skf18("4","4","6","6","2","8","1") = "7"
    & skf18("4","4","6","6","2","9","1") = "8"
    & skf18("4","4","6","6","2","10","1") = "9"
    & skf18("4","4","6","6","3","1","1") = "5"
    & skf18("4","4","6","6","3","2","1") = "5"
    & skf18("4","4","6","6","3","3","1") = "5"
    & skf18("4","4","6","6","3","4","1") = "5"
    & skf18("4","4","6","6","3","5","1") = "5"
    & skf18("4","4","6","6","3","6","1") = "5"
    & skf18("4","4","6","6","3","7","1") = "6"
    & skf18("4","4","6","6","3","8","1") = "7"
    & skf18("4","4","6","6","3","9","1") = "8"
    & skf18("4","4","6","6","3","10","1") = "9"
    & skf18("4","4","6","6","4","1","1") = "5"
    & skf18("4","4","6","6","4","2","1") = "5"
    & skf18("4","4","6","6","4","3","1") = "5"
    & skf18("4","4","6","6","4","4","1") = "5"
    & skf18("4","4","6","6","4","5","1") = "5"
    & skf18("4","4","6","6","4","6","1") = "5"
    & skf18("4","4","6","6","4","7","1") = "6"
    & skf18("4","4","6","6","4","8","1") = "7"
    & skf18("4","4","6","6","4","9","1") = "8"
    & skf18("4","4","6","6","4","10","1") = "9"
    & skf18("4","4","6","6","5","1","1") = "5"
    & skf18("4","4","6","6","5","2","1") = "5"
    & skf18("4","4","6","6","5","3","1") = "5"
    & skf18("4","4","6","6","5","4","1") = "5"
    & skf18("4","4","6","6","5","5","1") = "5"
    & skf18("4","4","6","6","5","6","1") = "5"
    & skf18("4","4","6","6","5","7","1") = "6"
    & skf18("4","4","6","6","5","8","1") = "7"
    & skf18("4","4","6","6","5","9","1") = "8"
    & skf18("4","4","6","6","5","10","1") = "9"
    & skf18("4","4","6","6","6","1","1") = "5"
    & skf18("4","4","6","6","6","2","1") = "5"
    & skf18("4","4","6","6","6","3","1") = "5"
    & skf18("4","4","6","6","6","4","1") = "5"
    & skf18("4","4","6","6","6","5","1") = "5"
    & skf18("4","4","6","6","6","6","1") = "5"
    & skf18("4","4","6","6","6","7","1") = "6"
    & skf18("4","4","6","6","6","8","1") = "7"
    & skf18("4","4","6","6","6","9","1") = "8"
    & skf18("4","4","6","6","6","10","1") = "9"
    & skf18("4","4","6","6","7","1","1") = "6"
    & skf18("4","4","6","6","7","2","1") = "6"
    & skf18("4","4","6","6","7","3","1") = "6"
    & skf18("4","4","6","6","7","4","1") = "6"
    & skf18("4","4","6","6","7","5","1") = "6"
    & skf18("4","4","6","6","7","6","1") = "6"
    & skf18("4","4","6","6","7","7","1") = "6"
    & skf18("4","4","6","6","7","8","1") = "7"
    & skf18("4","4","6","6","7","9","1") = "8"
    & skf18("4","4","6","6","7","10","1") = "9"
    & skf18("4","4","6","6","8","1","1") = "7"
    & skf18("4","4","6","6","8","2","1") = "7"
    & skf18("4","4","6","6","8","3","1") = "7"
    & skf18("4","4","6","6","8","4","1") = "7"
    & skf18("4","4","6","6","8","5","1") = "7"
    & skf18("4","4","6","6","8","6","1") = "7"
    & skf18("4","4","6","6","8","7","1") = "7"
    & skf18("4","4","6","6","8","8","1") = "7"
    & skf18("4","4","6","6","8","9","1") = "8"
    & skf18("4","4","6","6","8","10","1") = "9"
    & skf18("4","4","6","6","9","1","1") = "8"
    & skf18("4","4","6","6","9","2","1") = "8"
    & skf18("4","4","6","6","9","3","1") = "8"
    & skf18("4","4","6","6","9","4","1") = "8"
    & skf18("4","4","6","6","9","5","1") = "8"
    & skf18("4","4","6","6","9","6","1") = "8"
    & skf18("4","4","6","6","9","7","1") = "8"
    & skf18("4","4","6","6","9","8","1") = "8"
    & skf18("4","4","6","6","9","9","1") = "8"
    & skf18("4","4","6","6","9","10","1") = "9"
    & skf18("4","4","6","6","10","1","1") = "9"
    & skf18("4","4","6","6","10","2","1") = "9"
    & skf18("4","4","6","6","10","3","1") = "9"
    & skf18("4","4","6","6","10","4","1") = "9"
    & skf18("4","4","6","6","10","5","1") = "9"
    & skf18("4","4","6","6","10","6","1") = "9"
    & skf18("4","4","6","6","10","7","1") = "9"
    & skf18("4","4","6","6","10","8","1") = "9"
    & skf18("4","4","6","6","10","9","1") = "9"
    & skf18("4","4","6","6","10","10","1") = "9"
    & skf18("4","4","6","7","1","1","1") = "6"
    & skf18("4","4","6","7","1","2","1") = "6"
    & skf18("4","4","6","7","1","3","1") = "6"
    & skf18("4","4","6","7","1","4","1") = "6"
    & skf18("4","4","6","7","1","5","1") = "6"
    & skf18("4","4","6","7","1","6","1") = "6"
    & skf18("4","4","6","7","1","7","1") = "6"
    & skf18("4","4","6","7","1","8","1") = "7"
    & skf18("4","4","6","7","1","9","1") = "8"
    & skf18("4","4","6","7","1","10","1") = "9"
    & skf18("4","4","6","7","2","1","1") = "6"
    & skf18("4","4","6","7","2","2","1") = "6"
    & skf18("4","4","6","7","2","3","1") = "6"
    & skf18("4","4","6","7","2","4","1") = "6"
    & skf18("4","4","6","7","2","5","1") = "6"
    & skf18("4","4","6","7","2","6","1") = "6"
    & skf18("4","4","6","7","2","7","1") = "6"
    & skf18("4","4","6","7","2","8","1") = "7"
    & skf18("4","4","6","7","2","9","1") = "8"
    & skf18("4","4","6","7","2","10","1") = "9"
    & skf18("4","4","6","7","3","1","1") = "6"
    & skf18("4","4","6","7","3","2","1") = "6"
    & skf18("4","4","6","7","3","3","1") = "6"
    & skf18("4","4","6","7","3","4","1") = "6"
    & skf18("4","4","6","7","3","5","1") = "6"
    & skf18("4","4","6","7","3","6","1") = "6"
    & skf18("4","4","6","7","3","7","1") = "6"
    & skf18("4","4","6","7","3","8","1") = "7"
    & skf18("4","4","6","7","3","9","1") = "8"
    & skf18("4","4","6","7","3","10","1") = "9"
    & skf18("4","4","6","7","4","1","1") = "6"
    & skf18("4","4","6","7","4","2","1") = "6"
    & skf18("4","4","6","7","4","3","1") = "6"
    & skf18("4","4","6","7","4","4","1") = "6"
    & skf18("4","4","6","7","4","5","1") = "6"
    & skf18("4","4","6","7","4","6","1") = "6"
    & skf18("4","4","6","7","4","7","1") = "6"
    & skf18("4","4","6","7","4","8","1") = "7"
    & skf18("4","4","6","7","4","9","1") = "8"
    & skf18("4","4","6","7","4","10","1") = "9"
    & skf18("4","4","6","7","5","1","1") = "6"
    & skf18("4","4","6","7","5","2","1") = "6"
    & skf18("4","4","6","7","5","3","1") = "6"
    & skf18("4","4","6","7","5","4","1") = "6"
    & skf18("4","4","6","7","5","5","1") = "6"
    & skf18("4","4","6","7","5","6","1") = "6"
    & skf18("4","4","6","7","5","7","1") = "6"
    & skf18("4","4","6","7","5","8","1") = "7"
    & skf18("4","4","6","7","5","9","1") = "8"
    & skf18("4","4","6","7","5","10","1") = "9"
    & skf18("4","4","6","7","6","1","1") = "6"
    & skf18("4","4","6","7","6","2","1") = "6"
    & skf18("4","4","6","7","6","3","1") = "6"
    & skf18("4","4","6","7","6","4","1") = "6"
    & skf18("4","4","6","7","6","5","1") = "6"
    & skf18("4","4","6","7","6","6","1") = "6"
    & skf18("4","4","6","7","6","7","1") = "6"
    & skf18("4","4","6","7","6","8","1") = "7"
    & skf18("4","4","6","7","6","9","1") = "8"
    & skf18("4","4","6","7","6","10","1") = "9"
    & skf18("4","4","6","7","7","1","1") = "6"
    & skf18("4","4","6","7","7","2","1") = "6"
    & skf18("4","4","6","7","7","3","1") = "6"
    & skf18("4","4","6","7","7","4","1") = "6"
    & skf18("4","4","6","7","7","5","1") = "6"
    & skf18("4","4","6","7","7","6","1") = "6"
    & skf18("4","4","6","7","7","7","1") = "6"
    & skf18("4","4","6","7","7","8","1") = "7"
    & skf18("4","4","6","7","7","9","1") = "8"
    & skf18("4","4","6","7","7","10","1") = "9"
    & skf18("4","4","6","7","8","1","1") = "7"
    & skf18("4","4","6","7","8","2","1") = "7"
    & skf18("4","4","6","7","8","3","1") = "7"
    & skf18("4","4","6","7","8","4","1") = "7"
    & skf18("4","4","6","7","8","5","1") = "7"
    & skf18("4","4","6","7","8","6","1") = "7"
    & skf18("4","4","6","7","8","7","1") = "7"
    & skf18("4","4","6","7","8","8","1") = "7"
    & skf18("4","4","6","7","8","9","1") = "8"
    & skf18("4","4","6","7","8","10","1") = "9"
    & skf18("4","4","6","7","9","1","1") = "8"
    & skf18("4","4","6","7","9","2","1") = "8"
    & skf18("4","4","6","7","9","3","1") = "8"
    & skf18("4","4","6","7","9","4","1") = "8"
    & skf18("4","4","6","7","9","5","1") = "8"
    & skf18("4","4","6","7","9","6","1") = "8"
    & skf18("4","4","6","7","9","7","1") = "8"
    & skf18("4","4","6","7","9","8","1") = "8"
    & skf18("4","4","6","7","9","9","1") = "8"
    & skf18("4","4","6","7","9","10","1") = "9"
    & skf18("4","4","6","7","10","1","1") = "9"
    & skf18("4","4","6","7","10","2","1") = "9"
    & skf18("4","4","6","7","10","3","1") = "9"
    & skf18("4","4","6","7","10","4","1") = "9"
    & skf18("4","4","6","7","10","5","1") = "9"
    & skf18("4","4","6","7","10","6","1") = "9"
    & skf18("4","4","6","7","10","7","1") = "9"
    & skf18("4","4","6","7","10","8","1") = "9"
    & skf18("4","4","6","7","10","9","1") = "9"
    & skf18("4","4","6","7","10","10","1") = "9"
    & skf18("4","4","6","8","1","1","1") = "7"
    & skf18("4","4","6","8","1","2","1") = "7"
    & skf18("4","4","6","8","1","3","1") = "7"
    & skf18("4","4","6","8","1","4","1") = "7"
    & skf18("4","4","6","8","1","5","1") = "7"
    & skf18("4","4","6","8","1","6","1") = "7"
    & skf18("4","4","6","8","1","7","1") = "7"
    & skf18("4","4","6","8","1","8","1") = "7"
    & skf18("4","4","6","8","1","9","1") = "8"
    & skf18("4","4","6","8","1","10","1") = "9"
    & skf18("4","4","6","8","2","1","1") = "7"
    & skf18("4","4","6","8","2","2","1") = "7"
    & skf18("4","4","6","8","2","3","1") = "7"
    & skf18("4","4","6","8","2","4","1") = "7"
    & skf18("4","4","6","8","2","5","1") = "7"
    & skf18("4","4","6","8","2","6","1") = "7"
    & skf18("4","4","6","8","2","7","1") = "7"
    & skf18("4","4","6","8","2","8","1") = "7"
    & skf18("4","4","6","8","2","9","1") = "8"
    & skf18("4","4","6","8","2","10","1") = "9"
    & skf18("4","4","6","8","3","1","1") = "7"
    & skf18("4","4","6","8","3","2","1") = "7"
    & skf18("4","4","6","8","3","3","1") = "7"
    & skf18("4","4","6","8","3","4","1") = "7"
    & skf18("4","4","6","8","3","5","1") = "7"
    & skf18("4","4","6","8","3","6","1") = "7"
    & skf18("4","4","6","8","3","7","1") = "7"
    & skf18("4","4","6","8","3","8","1") = "7"
    & skf18("4","4","6","8","3","9","1") = "8"
    & skf18("4","4","6","8","3","10","1") = "9"
    & skf18("4","4","6","8","4","1","1") = "7"
    & skf18("4","4","6","8","4","2","1") = "7"
    & skf18("4","4","6","8","4","3","1") = "7"
    & skf18("4","4","6","8","4","4","1") = "7"
    & skf18("4","4","6","8","4","5","1") = "7"
    & skf18("4","4","6","8","4","6","1") = "7"
    & skf18("4","4","6","8","4","7","1") = "7"
    & skf18("4","4","6","8","4","8","1") = "7"
    & skf18("4","4","6","8","4","9","1") = "8"
    & skf18("4","4","6","8","4","10","1") = "9"
    & skf18("4","4","6","8","5","1","1") = "7"
    & skf18("4","4","6","8","5","2","1") = "7"
    & skf18("4","4","6","8","5","3","1") = "7"
    & skf18("4","4","6","8","5","4","1") = "7"
    & skf18("4","4","6","8","5","5","1") = "7"
    & skf18("4","4","6","8","5","6","1") = "7"
    & skf18("4","4","6","8","5","7","1") = "7"
    & skf18("4","4","6","8","5","8","1") = "7"
    & skf18("4","4","6","8","5","9","1") = "8"
    & skf18("4","4","6","8","5","10","1") = "9"
    & skf18("4","4","6","8","6","1","1") = "7"
    & skf18("4","4","6","8","6","2","1") = "7"
    & skf18("4","4","6","8","6","3","1") = "7"
    & skf18("4","4","6","8","6","4","1") = "7"
    & skf18("4","4","6","8","6","5","1") = "7"
    & skf18("4","4","6","8","6","6","1") = "7"
    & skf18("4","4","6","8","6","7","1") = "7"
    & skf18("4","4","6","8","6","8","1") = "7"
    & skf18("4","4","6","8","6","9","1") = "8"
    & skf18("4","4","6","8","6","10","1") = "9"
    & skf18("4","4","6","8","7","1","1") = "7"
    & skf18("4","4","6","8","7","2","1") = "7"
    & skf18("4","4","6","8","7","3","1") = "7"
    & skf18("4","4","6","8","7","4","1") = "7"
    & skf18("4","4","6","8","7","5","1") = "7"
    & skf18("4","4","6","8","7","6","1") = "7"
    & skf18("4","4","6","8","7","7","1") = "7"
    & skf18("4","4","6","8","7","8","1") = "7"
    & skf18("4","4","6","8","7","9","1") = "8"
    & skf18("4","4","6","8","7","10","1") = "9"
    & skf18("4","4","6","8","8","1","1") = "7"
    & skf18("4","4","6","8","8","2","1") = "7"
    & skf18("4","4","6","8","8","3","1") = "7"
    & skf18("4","4","6","8","8","4","1") = "7"
    & skf18("4","4","6","8","8","5","1") = "7"
    & skf18("4","4","6","8","8","6","1") = "7"
    & skf18("4","4","6","8","8","7","1") = "7"
    & skf18("4","4","6","8","8","8","1") = "7"
    & skf18("4","4","6","8","8","9","1") = "8"
    & skf18("4","4","6","8","8","10","1") = "9"
    & skf18("4","4","6","8","9","1","1") = "8"
    & skf18("4","4","6","8","9","2","1") = "8"
    & skf18("4","4","6","8","9","3","1") = "8"
    & skf18("4","4","6","8","9","4","1") = "8"
    & skf18("4","4","6","8","9","5","1") = "8"
    & skf18("4","4","6","8","9","6","1") = "8"
    & skf18("4","4","6","8","9","7","1") = "8"
    & skf18("4","4","6","8","9","8","1") = "8"
    & skf18("4","4","6","8","9","9","1") = "8"
    & skf18("4","4","6","8","9","10","1") = "9"
    & skf18("4","4","6","8","10","1","1") = "9"
    & skf18("4","4","6","8","10","2","1") = "9"
    & skf18("4","4","6","8","10","3","1") = "9"
    & skf18("4","4","6","8","10","4","1") = "9"
    & skf18("4","4","6","8","10","5","1") = "9"
    & skf18("4","4","6","8","10","6","1") = "9"
    & skf18("4","4","6","8","10","7","1") = "9"
    & skf18("4","4","6","8","10","8","1") = "9"
    & skf18("4","4","6","8","10","9","1") = "9"
    & skf18("4","4","6","8","10","10","1") = "9"
    & skf18("4","4","6","9","1","1","1") = "8"
    & skf18("4","4","6","9","1","2","1") = "8"
    & skf18("4","4","6","9","1","3","1") = "8"
    & skf18("4","4","6","9","1","4","1") = "8"
    & skf18("4","4","6","9","1","5","1") = "8"
    & skf18("4","4","6","9","1","6","1") = "8"
    & skf18("4","4","6","9","1","7","1") = "8"
    & skf18("4","4","6","9","1","8","1") = "8"
    & skf18("4","4","6","9","1","9","1") = "8"
    & skf18("4","4","6","9","1","10","1") = "9"
    & skf18("4","4","6","9","2","1","1") = "8"
    & skf18("4","4","6","9","2","2","1") = "8"
    & skf18("4","4","6","9","2","3","1") = "8"
    & skf18("4","4","6","9","2","4","1") = "8"
    & skf18("4","4","6","9","2","5","1") = "8"
    & skf18("4","4","6","9","2","6","1") = "8"
    & skf18("4","4","6","9","2","7","1") = "8"
    & skf18("4","4","6","9","2","8","1") = "8"
    & skf18("4","4","6","9","2","9","1") = "8"
    & skf18("4","4","6","9","2","10","1") = "9"
    & skf18("4","4","6","9","3","1","1") = "8"
    & skf18("4","4","6","9","3","2","1") = "8"
    & skf18("4","4","6","9","3","3","1") = "8"
    & skf18("4","4","6","9","3","4","1") = "8"
    & skf18("4","4","6","9","3","5","1") = "8"
    & skf18("4","4","6","9","3","6","1") = "8"
    & skf18("4","4","6","9","3","7","1") = "8"
    & skf18("4","4","6","9","3","8","1") = "8"
    & skf18("4","4","6","9","3","9","1") = "8"
    & skf18("4","4","6","9","3","10","1") = "9"
    & skf18("4","4","6","9","4","1","1") = "8"
    & skf18("4","4","6","9","4","2","1") = "8"
    & skf18("4","4","6","9","4","3","1") = "8"
    & skf18("4","4","6","9","4","4","1") = "8"
    & skf18("4","4","6","9","4","5","1") = "8"
    & skf18("4","4","6","9","4","6","1") = "8"
    & skf18("4","4","6","9","4","7","1") = "8"
    & skf18("4","4","6","9","4","8","1") = "8"
    & skf18("4","4","6","9","4","9","1") = "8"
    & skf18("4","4","6","9","4","10","1") = "9"
    & skf18("4","4","6","9","5","1","1") = "8"
    & skf18("4","4","6","9","5","2","1") = "8"
    & skf18("4","4","6","9","5","3","1") = "8"
    & skf18("4","4","6","9","5","4","1") = "8"
    & skf18("4","4","6","9","5","5","1") = "8"
    & skf18("4","4","6","9","5","6","1") = "8"
    & skf18("4","4","6","9","5","7","1") = "8"
    & skf18("4","4","6","9","5","8","1") = "8"
    & skf18("4","4","6","9","5","9","1") = "8"
    & skf18("4","4","6","9","5","10","1") = "9"
    & skf18("4","4","6","9","6","1","1") = "8"
    & skf18("4","4","6","9","6","2","1") = "8"
    & skf18("4","4","6","9","6","3","1") = "8"
    & skf18("4","4","6","9","6","4","1") = "8"
    & skf18("4","4","6","9","6","5","1") = "8"
    & skf18("4","4","6","9","6","6","1") = "8"
    & skf18("4","4","6","9","6","7","1") = "8"
    & skf18("4","4","6","9","6","8","1") = "8"
    & skf18("4","4","6","9","6","9","1") = "8"
    & skf18("4","4","6","9","6","10","1") = "9"
    & skf18("4","4","6","9","7","1","1") = "8"
    & skf18("4","4","6","9","7","2","1") = "8"
    & skf18("4","4","6","9","7","3","1") = "8"
    & skf18("4","4","6","9","7","4","1") = "8"
    & skf18("4","4","6","9","7","5","1") = "8"
    & skf18("4","4","6","9","7","6","1") = "8"
    & skf18("4","4","6","9","7","7","1") = "8"
    & skf18("4","4","6","9","7","8","1") = "8"
    & skf18("4","4","6","9","7","9","1") = "8"
    & skf18("4","4","6","9","7","10","1") = "9"
    & skf18("4","4","6","9","8","1","1") = "8"
    & skf18("4","4","6","9","8","2","1") = "8"
    & skf18("4","4","6","9","8","3","1") = "8"
    & skf18("4","4","6","9","8","4","1") = "8"
    & skf18("4","4","6","9","8","5","1") = "8"
    & skf18("4","4","6","9","8","6","1") = "8"
    & skf18("4","4","6","9","8","7","1") = "8"
    & skf18("4","4","6","9","8","8","1") = "8"
    & skf18("4","4","6","9","8","9","1") = "8"
    & skf18("4","4","6","9","8","10","1") = "9"
    & skf18("4","4","6","9","9","1","1") = "8"
    & skf18("4","4","6","9","9","2","1") = "8"
    & skf18("4","4","6","9","9","3","1") = "8"
    & skf18("4","4","6","9","9","4","1") = "8"
    & skf18("4","4","6","9","9","5","1") = "8"
    & skf18("4","4","6","9","9","6","1") = "8"
    & skf18("4","4","6","9","9","7","1") = "8"
    & skf18("4","4","6","9","9","8","1") = "8"
    & skf18("4","4","6","9","9","9","1") = "8"
    & skf18("4","4","6","9","9","10","1") = "9"
    & skf18("4","4","6","9","10","1","1") = "9"
    & skf18("4","4","6","9","10","2","1") = "9"
    & skf18("4","4","6","9","10","3","1") = "9"
    & skf18("4","4","6","9","10","4","1") = "9"
    & skf18("4","4","6","9","10","5","1") = "9"
    & skf18("4","4","6","9","10","6","1") = "9"
    & skf18("4","4","6","9","10","7","1") = "9"
    & skf18("4","4","6","9","10","8","1") = "9"
    & skf18("4","4","6","9","10","9","1") = "9"
    & skf18("4","4","6","9","10","10","1") = "9"
    & skf18("4","4","6","10","1","1","1") = "9"
    & skf18("4","4","6","10","1","2","1") = "9"
    & skf18("4","4","6","10","1","3","1") = "9"
    & skf18("4","4","6","10","1","4","1") = "9"
    & skf18("4","4","6","10","1","5","1") = "9"
    & skf18("4","4","6","10","1","6","1") = "9"
    & skf18("4","4","6","10","1","7","1") = "9"
    & skf18("4","4","6","10","1","8","1") = "9"
    & skf18("4","4","6","10","1","9","1") = "9"
    & skf18("4","4","6","10","1","10","1") = "9"
    & skf18("4","4","6","10","2","1","1") = "9"
    & skf18("4","4","6","10","2","2","1") = "9"
    & skf18("4","4","6","10","2","3","1") = "9"
    & skf18("4","4","6","10","2","4","1") = "9"
    & skf18("4","4","6","10","2","5","1") = "9"
    & skf18("4","4","6","10","2","6","1") = "9"
    & skf18("4","4","6","10","2","7","1") = "9"
    & skf18("4","4","6","10","2","8","1") = "9"
    & skf18("4","4","6","10","2","9","1") = "9"
    & skf18("4","4","6","10","2","10","1") = "9"
    & skf18("4","4","6","10","3","1","1") = "9"
    & skf18("4","4","6","10","3","2","1") = "9"
    & skf18("4","4","6","10","3","3","1") = "9"
    & skf18("4","4","6","10","3","4","1") = "9"
    & skf18("4","4","6","10","3","5","1") = "9"
    & skf18("4","4","6","10","3","6","1") = "9"
    & skf18("4","4","6","10","3","7","1") = "9"
    & skf18("4","4","6","10","3","8","1") = "9"
    & skf18("4","4","6","10","3","9","1") = "9"
    & skf18("4","4","6","10","3","10","1") = "9"
    & skf18("4","4","6","10","4","1","1") = "9"
    & skf18("4","4","6","10","4","2","1") = "9"
    & skf18("4","4","6","10","4","3","1") = "9"
    & skf18("4","4","6","10","4","4","1") = "9"
    & skf18("4","4","6","10","4","5","1") = "9"
    & skf18("4","4","6","10","4","6","1") = "9"
    & skf18("4","4","6","10","4","7","1") = "9"
    & skf18("4","4","6","10","4","8","1") = "9"
    & skf18("4","4","6","10","4","9","1") = "9"
    & skf18("4","4","6","10","4","10","1") = "9"
    & skf18("4","4","6","10","5","1","1") = "9"
    & skf18("4","4","6","10","5","2","1") = "9"
    & skf18("4","4","6","10","5","3","1") = "9"
    & skf18("4","4","6","10","5","4","1") = "9"
    & skf18("4","4","6","10","5","5","1") = "9"
    & skf18("4","4","6","10","5","6","1") = "9"
    & skf18("4","4","6","10","5","7","1") = "9"
    & skf18("4","4","6","10","5","8","1") = "9"
    & skf18("4","4","6","10","5","9","1") = "9"
    & skf18("4","4","6","10","5","10","1") = "9"
    & skf18("4","4","6","10","6","1","1") = "9"
    & skf18("4","4","6","10","6","2","1") = "9"
    & skf18("4","4","6","10","6","3","1") = "9"
    & skf18("4","4","6","10","6","4","1") = "9"
    & skf18("4","4","6","10","6","5","1") = "9"
    & skf18("4","4","6","10","6","6","1") = "9"
    & skf18("4","4","6","10","6","7","1") = "9"
    & skf18("4","4","6","10","6","8","1") = "9"
    & skf18("4","4","6","10","6","9","1") = "9"
    & skf18("4","4","6","10","6","10","1") = "9"
    & skf18("4","4","6","10","7","1","1") = "9"
    & skf18("4","4","6","10","7","2","1") = "9"
    & skf18("4","4","6","10","7","3","1") = "9"
    & skf18("4","4","6","10","7","4","1") = "9"
    & skf18("4","4","6","10","7","5","1") = "9"
    & skf18("4","4","6","10","7","6","1") = "9"
    & skf18("4","4","6","10","7","7","1") = "9"
    & skf18("4","4","6","10","7","8","1") = "9"
    & skf18("4","4","6","10","7","9","1") = "9"
    & skf18("4","4","6","10","7","10","1") = "9"
    & skf18("4","4","6","10","8","1","1") = "9"
    & skf18("4","4","6","10","8","2","1") = "9"
    & skf18("4","4","6","10","8","3","1") = "9"
    & skf18("4","4","6","10","8","4","1") = "9"
    & skf18("4","4","6","10","8","5","1") = "9"
    & skf18("4","4","6","10","8","6","1") = "9"
    & skf18("4","4","6","10","8","7","1") = "9"
    & skf18("4","4","6","10","8","8","1") = "9"
    & skf18("4","4","6","10","8","9","1") = "9"
    & skf18("4","4","6","10","8","10","1") = "9"
    & skf18("4","4","6","10","9","1","1") = "9"
    & skf18("4","4","6","10","9","2","1") = "9"
    & skf18("4","4","6","10","9","3","1") = "9"
    & skf18("4","4","6","10","9","4","1") = "9"
    & skf18("4","4","6","10","9","5","1") = "9"
    & skf18("4","4","6","10","9","6","1") = "9"
    & skf18("4","4","6","10","9","7","1") = "9"
    & skf18("4","4","6","10","9","8","1") = "9"
    & skf18("4","4","6","10","9","9","1") = "9"
    & skf18("4","4","6","10","9","10","1") = "9"
    & skf18("4","4","6","10","10","1","1") = "9"
    & skf18("4","4","6","10","10","2","1") = "9"
    & skf18("4","4","6","10","10","3","1") = "9"
    & skf18("4","4","6","10","10","4","1") = "9"
    & skf18("4","4","6","10","10","5","1") = "9"
    & skf18("4","4","6","10","10","6","1") = "9"
    & skf18("4","4","6","10","10","7","1") = "9"
    & skf18("4","4","6","10","10","8","1") = "9"
    & skf18("4","4","6","10","10","9","1") = "9"
    & skf18("4","4","6","10","10","10","1") = "9"
    & skf18("4","4","7","1","1","1","1") = "6"
    & skf18("4","4","7","1","1","2","1") = "6"
    & skf18("4","4","7","1","1","3","1") = "6"
    & skf18("4","4","7","1","1","4","1") = "6"
    & skf18("4","4","7","1","1","5","1") = "6"
    & skf18("4","4","7","1","1","6","1") = "6"
    & skf18("4","4","7","1","1","7","1") = "6"
    & skf18("4","4","7","1","1","8","1") = "7"
    & skf18("4","4","7","1","1","9","1") = "8"
    & skf18("4","4","7","1","1","10","1") = "9"
    & skf18("4","4","7","1","2","1","1") = "6"
    & skf18("4","4","7","1","2","2","1") = "6"
    & skf18("4","4","7","1","2","3","1") = "6"
    & skf18("4","4","7","1","2","4","1") = "6"
    & skf18("4","4","7","1","2","5","1") = "6"
    & skf18("4","4","7","1","2","6","1") = "6"
    & skf18("4","4","7","1","2","7","1") = "6"
    & skf18("4","4","7","1","2","8","1") = "7"
    & skf18("4","4","7","1","2","9","1") = "8"
    & skf18("4","4","7","1","2","10","1") = "9"
    & skf18("4","4","7","1","3","1","1") = "6"
    & skf18("4","4","7","1","3","2","1") = "6"
    & skf18("4","4","7","1","3","3","1") = "6"
    & skf18("4","4","7","1","3","4","1") = "6"
    & skf18("4","4","7","1","3","5","1") = "6"
    & skf18("4","4","7","1","3","6","1") = "6"
    & skf18("4","4","7","1","3","7","1") = "6"
    & skf18("4","4","7","1","3","8","1") = "7"
    & skf18("4","4","7","1","3","9","1") = "8"
    & skf18("4","4","7","1","3","10","1") = "9"
    & skf18("4","4","7","1","4","1","1") = "6"
    & skf18("4","4","7","1","4","2","1") = "6"
    & skf18("4","4","7","1","4","3","1") = "6"
    & skf18("4","4","7","1","4","4","1") = "6"
    & skf18("4","4","7","1","4","5","1") = "6"
    & skf18("4","4","7","1","4","6","1") = "6"
    & skf18("4","4","7","1","4","7","1") = "6"
    & skf18("4","4","7","1","4","8","1") = "7"
    & skf18("4","4","7","1","4","9","1") = "8"
    & skf18("4","4","7","1","4","10","1") = "9"
    & skf18("4","4","7","1","5","1","1") = "6"
    & skf18("4","4","7","1","5","2","1") = "6"
    & skf18("4","4","7","1","5","3","1") = "6"
    & skf18("4","4","7","1","5","4","1") = "6"
    & skf18("4","4","7","1","5","5","1") = "6"
    & skf18("4","4","7","1","5","6","1") = "6"
    & skf18("4","4","7","1","5","7","1") = "6"
    & skf18("4","4","7","1","5","8","1") = "7"
    & skf18("4","4","7","1","5","9","1") = "8"
    & skf18("4","4","7","1","5","10","1") = "9"
    & skf18("4","4","7","1","6","1","1") = "6"
    & skf18("4","4","7","1","6","2","1") = "6"
    & skf18("4","4","7","1","6","3","1") = "6"
    & skf18("4","4","7","1","6","4","1") = "6"
    & skf18("4","4","7","1","6","5","1") = "6"
    & skf18("4","4","7","1","6","6","1") = "6"
    & skf18("4","4","7","1","6","7","1") = "6"
    & skf18("4","4","7","1","6","8","1") = "7"
    & skf18("4","4","7","1","6","9","1") = "8"
    & skf18("4","4","7","1","6","10","1") = "9"
    & skf18("4","4","7","1","7","1","1") = "6"
    & skf18("4","4","7","1","7","2","1") = "6"
    & skf18("4","4","7","1","7","3","1") = "6"
    & skf18("4","4","7","1","7","4","1") = "6"
    & skf18("4","4","7","1","7","5","1") = "6"
    & skf18("4","4","7","1","7","6","1") = "6"
    & skf18("4","4","7","1","7","7","1") = "6"
    & skf18("4","4","7","1","7","8","1") = "7"
    & skf18("4","4","7","1","7","9","1") = "8"
    & skf18("4","4","7","1","7","10","1") = "9"
    & skf18("4","4","7","1","8","1","1") = "7"
    & skf18("4","4","7","1","8","2","1") = "7"
    & skf18("4","4","7","1","8","3","1") = "7"
    & skf18("4","4","7","1","8","4","1") = "7"
    & skf18("4","4","7","1","8","5","1") = "7"
    & skf18("4","4","7","1","8","6","1") = "7"
    & skf18("4","4","7","1","8","7","1") = "7"
    & skf18("4","4","7","1","8","8","1") = "7"
    & skf18("4","4","7","1","8","9","1") = "8"
    & skf18("4","4","7","1","8","10","1") = "9"
    & skf18("4","4","7","1","9","1","1") = "8"
    & skf18("4","4","7","1","9","2","1") = "8"
    & skf18("4","4","7","1","9","3","1") = "8"
    & skf18("4","4","7","1","9","4","1") = "8"
    & skf18("4","4","7","1","9","5","1") = "8"
    & skf18("4","4","7","1","9","6","1") = "8"
    & skf18("4","4","7","1","9","7","1") = "8"
    & skf18("4","4","7","1","9","8","1") = "8"
    & skf18("4","4","7","1","9","9","1") = "8"
    & skf18("4","4","7","1","9","10","1") = "9"
    & skf18("4","4","7","1","10","1","1") = "9"
    & skf18("4","4","7","1","10","2","1") = "9"
    & skf18("4","4","7","1","10","3","1") = "9"
    & skf18("4","4","7","1","10","4","1") = "9"
    & skf18("4","4","7","1","10","5","1") = "9"
    & skf18("4","4","7","1","10","6","1") = "9"
    & skf18("4","4","7","1","10","7","1") = "9"
    & skf18("4","4","7","1","10","8","1") = "9"
    & skf18("4","4","7","1","10","9","1") = "9"
    & skf18("4","4","7","1","10","10","1") = "9"
    & skf18("4","4","7","2","1","1","1") = "6"
    & skf18("4","4","7","2","1","2","1") = "6"
    & skf18("4","4","7","2","1","3","1") = "6"
    & skf18("4","4","7","2","1","4","1") = "6"
    & skf18("4","4","7","2","1","5","1") = "6"
    & skf18("4","4","7","2","1","6","1") = "6"
    & skf18("4","4","7","2","1","7","1") = "6"
    & skf18("4","4","7","2","1","8","1") = "7"
    & skf18("4","4","7","2","1","9","1") = "8"
    & skf18("4","4","7","2","1","10","1") = "9"
    & skf18("4","4","7","2","2","1","1") = "6"
    & skf18("4","4","7","2","2","2","1") = "6"
    & skf18("4","4","7","2","2","3","1") = "6"
    & skf18("4","4","7","2","2","4","1") = "6"
    & skf18("4","4","7","2","2","5","1") = "6"
    & skf18("4","4","7","2","2","6","1") = "6"
    & skf18("4","4","7","2","2","7","1") = "6"
    & skf18("4","4","7","2","2","8","1") = "7"
    & skf18("4","4","7","2","2","9","1") = "8"
    & skf18("4","4","7","2","2","10","1") = "9"
    & skf18("4","4","7","2","3","1","1") = "6"
    & skf18("4","4","7","2","3","2","1") = "6"
    & skf18("4","4","7","2","3","3","1") = "6"
    & skf18("4","4","7","2","3","4","1") = "6"
    & skf18("4","4","7","2","3","5","1") = "6"
    & skf18("4","4","7","2","3","6","1") = "6"
    & skf18("4","4","7","2","3","7","1") = "6"
    & skf18("4","4","7","2","3","8","1") = "7"
    & skf18("4","4","7","2","3","9","1") = "8"
    & skf18("4","4","7","2","3","10","1") = "9"
    & skf18("4","4","7","2","4","1","1") = "6"
    & skf18("4","4","7","2","4","2","1") = "6"
    & skf18("4","4","7","2","4","3","1") = "6"
    & skf18("4","4","7","2","4","4","1") = "6"
    & skf18("4","4","7","2","4","5","1") = "6"
    & skf18("4","4","7","2","4","6","1") = "6"
    & skf18("4","4","7","2","4","7","1") = "6"
    & skf18("4","4","7","2","4","8","1") = "7"
    & skf18("4","4","7","2","4","9","1") = "8"
    & skf18("4","4","7","2","4","10","1") = "9"
    & skf18("4","4","7","2","5","1","1") = "6"
    & skf18("4","4","7","2","5","2","1") = "6"
    & skf18("4","4","7","2","5","3","1") = "6"
    & skf18("4","4","7","2","5","4","1") = "6"
    & skf18("4","4","7","2","5","5","1") = "6"
    & skf18("4","4","7","2","5","6","1") = "6"
    & skf18("4","4","7","2","5","7","1") = "6"
    & skf18("4","4","7","2","5","8","1") = "7"
    & skf18("4","4","7","2","5","9","1") = "8"
    & skf18("4","4","7","2","5","10","1") = "9"
    & skf18("4","4","7","2","6","1","1") = "6"
    & skf18("4","4","7","2","6","2","1") = "6"
    & skf18("4","4","7","2","6","3","1") = "6"
    & skf18("4","4","7","2","6","4","1") = "6"
    & skf18("4","4","7","2","6","5","1") = "6"
    & skf18("4","4","7","2","6","6","1") = "6"
    & skf18("4","4","7","2","6","7","1") = "6"
    & skf18("4","4","7","2","6","8","1") = "7"
    & skf18("4","4","7","2","6","9","1") = "8"
    & skf18("4","4","7","2","6","10","1") = "9"
    & skf18("4","4","7","2","7","1","1") = "6"
    & skf18("4","4","7","2","7","2","1") = "6"
    & skf18("4","4","7","2","7","3","1") = "6"
    & skf18("4","4","7","2","7","4","1") = "6"
    & skf18("4","4","7","2","7","5","1") = "6"
    & skf18("4","4","7","2","7","6","1") = "6"
    & skf18("4","4","7","2","7","7","1") = "6"
    & skf18("4","4","7","2","7","8","1") = "7"
    & skf18("4","4","7","2","7","9","1") = "8"
    & skf18("4","4","7","2","7","10","1") = "9"
    & skf18("4","4","7","2","8","1","1") = "7"
    & skf18("4","4","7","2","8","2","1") = "7"
    & skf18("4","4","7","2","8","3","1") = "7"
    & skf18("4","4","7","2","8","4","1") = "7"
    & skf18("4","4","7","2","8","5","1") = "7"
    & skf18("4","4","7","2","8","6","1") = "7"
    & skf18("4","4","7","2","8","7","1") = "7"
    & skf18("4","4","7","2","8","8","1") = "7"
    & skf18("4","4","7","2","8","9","1") = "8"
    & skf18("4","4","7","2","8","10","1") = "9"
    & skf18("4","4","7","2","9","1","1") = "8"
    & skf18("4","4","7","2","9","2","1") = "8"
    & skf18("4","4","7","2","9","3","1") = "8"
    & skf18("4","4","7","2","9","4","1") = "8"
    & skf18("4","4","7","2","9","5","1") = "8"
    & skf18("4","4","7","2","9","6","1") = "8"
    & skf18("4","4","7","2","9","7","1") = "8"
    & skf18("4","4","7","2","9","8","1") = "8"
    & skf18("4","4","7","2","9","9","1") = "8"
    & skf18("4","4","7","2","9","10","1") = "9"
    & skf18("4","4","7","2","10","1","1") = "9"
    & skf18("4","4","7","2","10","2","1") = "9"
    & skf18("4","4","7","2","10","3","1") = "9"
    & skf18("4","4","7","2","10","4","1") = "9"
    & skf18("4","4","7","2","10","5","1") = "9"
    & skf18("4","4","7","2","10","6","1") = "9"
    & skf18("4","4","7","2","10","7","1") = "9"
    & skf18("4","4","7","2","10","8","1") = "9"
    & skf18("4","4","7","2","10","9","1") = "9"
    & skf18("4","4","7","2","10","10","1") = "9"
    & skf18("4","4","7","3","1","1","1") = "6"
    & skf18("4","4","7","3","1","2","1") = "6"
    & skf18("4","4","7","3","1","3","1") = "6"
    & skf18("4","4","7","3","1","4","1") = "6"
    & skf18("4","4","7","3","1","5","1") = "6"
    & skf18("4","4","7","3","1","6","1") = "6"
    & skf18("4","4","7","3","1","7","1") = "6"
    & skf18("4","4","7","3","1","8","1") = "7"
    & skf18("4","4","7","3","1","9","1") = "8"
    & skf18("4","4","7","3","1","10","1") = "9"
    & skf18("4","4","7","3","2","1","1") = "6"
    & skf18("4","4","7","3","2","2","1") = "6"
    & skf18("4","4","7","3","2","3","1") = "6"
    & skf18("4","4","7","3","2","4","1") = "6"
    & skf18("4","4","7","3","2","5","1") = "6"
    & skf18("4","4","7","3","2","6","1") = "6"
    & skf18("4","4","7","3","2","7","1") = "6"
    & skf18("4","4","7","3","2","8","1") = "7"
    & skf18("4","4","7","3","2","9","1") = "8"
    & skf18("4","4","7","3","2","10","1") = "9"
    & skf18("4","4","7","3","3","1","1") = "6"
    & skf18("4","4","7","3","3","2","1") = "6"
    & skf18("4","4","7","3","3","3","1") = "6"
    & skf18("4","4","7","3","3","4","1") = "6"
    & skf18("4","4","7","3","3","5","1") = "6"
    & skf18("4","4","7","3","3","6","1") = "6"
    & skf18("4","4","7","3","3","7","1") = "6"
    & skf18("4","4","7","3","3","8","1") = "7"
    & skf18("4","4","7","3","3","9","1") = "8"
    & skf18("4","4","7","3","3","10","1") = "9"
    & skf18("4","4","7","3","4","1","1") = "6"
    & skf18("4","4","7","3","4","2","1") = "6"
    & skf18("4","4","7","3","4","3","1") = "6"
    & skf18("4","4","7","3","4","4","1") = "6"
    & skf18("4","4","7","3","4","5","1") = "6"
    & skf18("4","4","7","3","4","6","1") = "6"
    & skf18("4","4","7","3","4","7","1") = "6"
    & skf18("4","4","7","3","4","8","1") = "7"
    & skf18("4","4","7","3","4","9","1") = "8"
    & skf18("4","4","7","3","4","10","1") = "9"
    & skf18("4","4","7","3","5","1","1") = "6"
    & skf18("4","4","7","3","5","2","1") = "6"
    & skf18("4","4","7","3","5","3","1") = "6"
    & skf18("4","4","7","3","5","4","1") = "6"
    & skf18("4","4","7","3","5","5","1") = "6"
    & skf18("4","4","7","3","5","6","1") = "6"
    & skf18("4","4","7","3","5","7","1") = "6"
    & skf18("4","4","7","3","5","8","1") = "7"
    & skf18("4","4","7","3","5","9","1") = "8"
    & skf18("4","4","7","3","5","10","1") = "9"
    & skf18("4","4","7","3","6","1","1") = "6"
    & skf18("4","4","7","3","6","2","1") = "6"
    & skf18("4","4","7","3","6","3","1") = "6"
    & skf18("4","4","7","3","6","4","1") = "6"
    & skf18("4","4","7","3","6","5","1") = "6"
    & skf18("4","4","7","3","6","6","1") = "6"
    & skf18("4","4","7","3","6","7","1") = "6"
    & skf18("4","4","7","3","6","8","1") = "7"
    & skf18("4","4","7","3","6","9","1") = "8"
    & skf18("4","4","7","3","6","10","1") = "9"
    & skf18("4","4","7","3","7","1","1") = "6"
    & skf18("4","4","7","3","7","2","1") = "6"
    & skf18("4","4","7","3","7","3","1") = "6"
    & skf18("4","4","7","3","7","4","1") = "6"
    & skf18("4","4","7","3","7","5","1") = "6"
    & skf18("4","4","7","3","7","6","1") = "6"
    & skf18("4","4","7","3","7","7","1") = "6"
    & skf18("4","4","7","3","7","8","1") = "7"
    & skf18("4","4","7","3","7","9","1") = "8"
    & skf18("4","4","7","3","7","10","1") = "9"
    & skf18("4","4","7","3","8","1","1") = "7"
    & skf18("4","4","7","3","8","2","1") = "7"
    & skf18("4","4","7","3","8","3","1") = "7"
    & skf18("4","4","7","3","8","4","1") = "7"
    & skf18("4","4","7","3","8","5","1") = "7"
    & skf18("4","4","7","3","8","6","1") = "7"
    & skf18("4","4","7","3","8","7","1") = "7"
    & skf18("4","4","7","3","8","8","1") = "7"
    & skf18("4","4","7","3","8","9","1") = "8"
    & skf18("4","4","7","3","8","10","1") = "9"
    & skf18("4","4","7","3","9","1","1") = "8"
    & skf18("4","4","7","3","9","2","1") = "8"
    & skf18("4","4","7","3","9","3","1") = "8"
    & skf18("4","4","7","3","9","4","1") = "8"
    & skf18("4","4","7","3","9","5","1") = "8"
    & skf18("4","4","7","3","9","6","1") = "8"
    & skf18("4","4","7","3","9","7","1") = "8"
    & skf18("4","4","7","3","9","8","1") = "8"
    & skf18("4","4","7","3","9","9","1") = "8"
    & skf18("4","4","7","3","9","10","1") = "9"
    & skf18("4","4","7","3","10","1","1") = "9"
    & skf18("4","4","7","3","10","2","1") = "9"
    & skf18("4","4","7","3","10","3","1") = "9"
    & skf18("4","4","7","3","10","4","1") = "9"
    & skf18("4","4","7","3","10","5","1") = "9"
    & skf18("4","4","7","3","10","6","1") = "9"
    & skf18("4","4","7","3","10","7","1") = "9"
    & skf18("4","4","7","3","10","8","1") = "9"
    & skf18("4","4","7","3","10","9","1") = "9"
    & skf18("4","4","7","3","10","10","1") = "9"
    & skf18("4","4","7","4","1","1","1") = "6"
    & skf18("4","4","7","4","1","2","1") = "6"
    & skf18("4","4","7","4","1","3","1") = "6"
    & skf18("4","4","7","4","1","4","1") = "6"
    & skf18("4","4","7","4","1","5","1") = "6"
    & skf18("4","4","7","4","1","6","1") = "6"
    & skf18("4","4","7","4","1","7","1") = "6"
    & skf18("4","4","7","4","1","8","1") = "7"
    & skf18("4","4","7","4","1","9","1") = "8"
    & skf18("4","4","7","4","1","10","1") = "9"
    & skf18("4","4","7","4","2","1","1") = "6"
    & skf18("4","4","7","4","2","2","1") = "6"
    & skf18("4","4","7","4","2","3","1") = "6"
    & skf18("4","4","7","4","2","4","1") = "6"
    & skf18("4","4","7","4","2","5","1") = "6"
    & skf18("4","4","7","4","2","6","1") = "6"
    & skf18("4","4","7","4","2","7","1") = "6"
    & skf18("4","4","7","4","2","8","1") = "7"
    & skf18("4","4","7","4","2","9","1") = "8"
    & skf18("4","4","7","4","2","10","1") = "9"
    & skf18("4","4","7","4","3","1","1") = "6"
    & skf18("4","4","7","4","3","2","1") = "6"
    & skf18("4","4","7","4","3","3","1") = "6"
    & skf18("4","4","7","4","3","4","1") = "6"
    & skf18("4","4","7","4","3","5","1") = "6"
    & skf18("4","4","7","4","3","6","1") = "6"
    & skf18("4","4","7","4","3","7","1") = "6"
    & skf18("4","4","7","4","3","8","1") = "7"
    & skf18("4","4","7","4","3","9","1") = "8"
    & skf18("4","4","7","4","3","10","1") = "9"
    & skf18("4","4","7","4","4","1","1") = "6"
    & skf18("4","4","7","4","4","2","1") = "6"
    & skf18("4","4","7","4","4","3","1") = "6"
    & skf18("4","4","7","4","4","4","1") = "6"
    & skf18("4","4","7","4","4","5","1") = "6"
    & skf18("4","4","7","4","4","6","1") = "6"
    & skf18("4","4","7","4","4","7","1") = "6"
    & skf18("4","4","7","4","4","8","1") = "7"
    & skf18("4","4","7","4","4","9","1") = "8"
    & skf18("4","4","7","4","4","10","1") = "9"
    & skf18("4","4","7","4","5","1","1") = "6"
    & skf18("4","4","7","4","5","2","1") = "6"
    & skf18("4","4","7","4","5","3","1") = "6"
    & skf18("4","4","7","4","5","4","1") = "6"
    & skf18("4","4","7","4","5","5","1") = "6"
    & skf18("4","4","7","4","5","6","1") = "6"
    & skf18("4","4","7","4","5","7","1") = "6"
    & skf18("4","4","7","4","5","8","1") = "7"
    & skf18("4","4","7","4","5","9","1") = "8"
    & skf18("4","4","7","4","5","10","1") = "9"
    & skf18("4","4","7","4","6","1","1") = "6"
    & skf18("4","4","7","4","6","2","1") = "6"
    & skf18("4","4","7","4","6","3","1") = "6"
    & skf18("4","4","7","4","6","4","1") = "6"
    & skf18("4","4","7","4","6","5","1") = "6"
    & skf18("4","4","7","4","6","6","1") = "6"
    & skf18("4","4","7","4","6","7","1") = "6"
    & skf18("4","4","7","4","6","8","1") = "7"
    & skf18("4","4","7","4","6","9","1") = "8"
    & skf18("4","4","7","4","6","10","1") = "9"
    & skf18("4","4","7","4","7","1","1") = "6"
    & skf18("4","4","7","4","7","2","1") = "6"
    & skf18("4","4","7","4","7","3","1") = "6"
    & skf18("4","4","7","4","7","4","1") = "6"
    & skf18("4","4","7","4","7","5","1") = "6"
    & skf18("4","4","7","4","7","6","1") = "6"
    & skf18("4","4","7","4","7","7","1") = "6"
    & skf18("4","4","7","4","7","8","1") = "7"
    & skf18("4","4","7","4","7","9","1") = "8"
    & skf18("4","4","7","4","7","10","1") = "9"
    & skf18("4","4","7","4","8","1","1") = "7"
    & skf18("4","4","7","4","8","2","1") = "7"
    & skf18("4","4","7","4","8","3","1") = "7"
    & skf18("4","4","7","4","8","4","1") = "7"
    & skf18("4","4","7","4","8","5","1") = "7"
    & skf18("4","4","7","4","8","6","1") = "7"
    & skf18("4","4","7","4","8","7","1") = "7"
    & skf18("4","4","7","4","8","8","1") = "7"
    & skf18("4","4","7","4","8","9","1") = "8"
    & skf18("4","4","7","4","8","10","1") = "9"
    & skf18("4","4","7","4","9","1","1") = "8"
    & skf18("4","4","7","4","9","2","1") = "8"
    & skf18("4","4","7","4","9","3","1") = "8"
    & skf18("4","4","7","4","9","4","1") = "8"
    & skf18("4","4","7","4","9","5","1") = "8"
    & skf18("4","4","7","4","9","6","1") = "8"
    & skf18("4","4","7","4","9","7","1") = "8"
    & skf18("4","4","7","4","9","8","1") = "8"
    & skf18("4","4","7","4","9","9","1") = "8"
    & skf18("4","4","7","4","9","10","1") = "9"
    & skf18("4","4","7","4","10","1","1") = "9"
    & skf18("4","4","7","4","10","2","1") = "9"
    & skf18("4","4","7","4","10","3","1") = "9"
    & skf18("4","4","7","4","10","4","1") = "9"
    & skf18("4","4","7","4","10","5","1") = "9"
    & skf18("4","4","7","4","10","6","1") = "9"
    & skf18("4","4","7","4","10","7","1") = "9"
    & skf18("4","4","7","4","10","8","1") = "9"
    & skf18("4","4","7","4","10","9","1") = "9"
    & skf18("4","4","7","4","10","10","1") = "9"
    & skf18("4","4","7","5","1","1","1") = "6"
    & skf18("4","4","7","5","1","2","1") = "6"
    & skf18("4","4","7","5","1","3","1") = "6"
    & skf18("4","4","7","5","1","4","1") = "6"
    & skf18("4","4","7","5","1","5","1") = "6"
    & skf18("4","4","7","5","1","6","1") = "6"
    & skf18("4","4","7","5","1","7","1") = "6"
    & skf18("4","4","7","5","1","8","1") = "7"
    & skf18("4","4","7","5","1","9","1") = "8"
    & skf18("4","4","7","5","1","10","1") = "9"
    & skf18("4","4","7","5","2","1","1") = "6"
    & skf18("4","4","7","5","2","2","1") = "6"
    & skf18("4","4","7","5","2","3","1") = "6"
    & skf18("4","4","7","5","2","4","1") = "6"
    & skf18("4","4","7","5","2","5","1") = "6"
    & skf18("4","4","7","5","2","6","1") = "6"
    & skf18("4","4","7","5","2","7","1") = "6"
    & skf18("4","4","7","5","2","8","1") = "7"
    & skf18("4","4","7","5","2","9","1") = "8"
    & skf18("4","4","7","5","2","10","1") = "9"
    & skf18("4","4","7","5","3","1","1") = "6"
    & skf18("4","4","7","5","3","2","1") = "6"
    & skf18("4","4","7","5","3","3","1") = "6"
    & skf18("4","4","7","5","3","4","1") = "6"
    & skf18("4","4","7","5","3","5","1") = "6"
    & skf18("4","4","7","5","3","6","1") = "6"
    & skf18("4","4","7","5","3","7","1") = "6"
    & skf18("4","4","7","5","3","8","1") = "7"
    & skf18("4","4","7","5","3","9","1") = "8"
    & skf18("4","4","7","5","3","10","1") = "9"
    & skf18("4","4","7","5","4","1","1") = "6"
    & skf18("4","4","7","5","4","2","1") = "6"
    & skf18("4","4","7","5","4","3","1") = "6"
    & skf18("4","4","7","5","4","4","1") = "6"
    & skf18("4","4","7","5","4","5","1") = "6"
    & skf18("4","4","7","5","4","6","1") = "6"
    & skf18("4","4","7","5","4","7","1") = "6"
    & skf18("4","4","7","5","4","8","1") = "7"
    & skf18("4","4","7","5","4","9","1") = "8"
    & skf18("4","4","7","5","4","10","1") = "9"
    & skf18("4","4","7","5","5","1","1") = "6"
    & skf18("4","4","7","5","5","2","1") = "6"
    & skf18("4","4","7","5","5","3","1") = "6"
    & skf18("4","4","7","5","5","4","1") = "6"
    & skf18("4","4","7","5","5","5","1") = "6"
    & skf18("4","4","7","5","5","6","1") = "6"
    & skf18("4","4","7","5","5","7","1") = "6"
    & skf18("4","4","7","5","5","8","1") = "7"
    & skf18("4","4","7","5","5","9","1") = "8"
    & skf18("4","4","7","5","5","10","1") = "9"
    & skf18("4","4","7","5","6","1","1") = "6"
    & skf18("4","4","7","5","6","2","1") = "6"
    & skf18("4","4","7","5","6","3","1") = "6"
    & skf18("4","4","7","5","6","4","1") = "6"
    & skf18("4","4","7","5","6","5","1") = "6"
    & skf18("4","4","7","5","6","6","1") = "6"
    & skf18("4","4","7","5","6","7","1") = "6"
    & skf18("4","4","7","5","6","8","1") = "7"
    & skf18("4","4","7","5","6","9","1") = "8"
    & skf18("4","4","7","5","6","10","1") = "9"
    & skf18("4","4","7","5","7","1","1") = "6"
    & skf18("4","4","7","5","7","2","1") = "6"
    & skf18("4","4","7","5","7","3","1") = "6"
    & skf18("4","4","7","5","7","4","1") = "6"
    & skf18("4","4","7","5","7","5","1") = "6"
    & skf18("4","4","7","5","7","6","1") = "6"
    & skf18("4","4","7","5","7","7","1") = "6"
    & skf18("4","4","7","5","7","8","1") = "7"
    & skf18("4","4","7","5","7","9","1") = "8"
    & skf18("4","4","7","5","7","10","1") = "9"
    & skf18("4","4","7","5","8","1","1") = "7"
    & skf18("4","4","7","5","8","2","1") = "7"
    & skf18("4","4","7","5","8","3","1") = "7"
    & skf18("4","4","7","5","8","4","1") = "7"
    & skf18("4","4","7","5","8","5","1") = "7"
    & skf18("4","4","7","5","8","6","1") = "7"
    & skf18("4","4","7","5","8","7","1") = "7"
    & skf18("4","4","7","5","8","8","1") = "7"
    & skf18("4","4","7","5","8","9","1") = "8"
    & skf18("4","4","7","5","8","10","1") = "9"
    & skf18("4","4","7","5","9","1","1") = "8"
    & skf18("4","4","7","5","9","2","1") = "8"
    & skf18("4","4","7","5","9","3","1") = "8"
    & skf18("4","4","7","5","9","4","1") = "8"
    & skf18("4","4","7","5","9","5","1") = "8"
    & skf18("4","4","7","5","9","6","1") = "8"
    & skf18("4","4","7","5","9","7","1") = "8"
    & skf18("4","4","7","5","9","8","1") = "8"
    & skf18("4","4","7","5","9","9","1") = "8"
    & skf18("4","4","7","5","9","10","1") = "9"
    & skf18("4","4","7","5","10","1","1") = "9"
    & skf18("4","4","7","5","10","2","1") = "9"
    & skf18("4","4","7","5","10","3","1") = "9"
    & skf18("4","4","7","5","10","4","1") = "9"
    & skf18("4","4","7","5","10","5","1") = "9"
    & skf18("4","4","7","5","10","6","1") = "9"
    & skf18("4","4","7","5","10","7","1") = "9"
    & skf18("4","4","7","5","10","8","1") = "9"
    & skf18("4","4","7","5","10","9","1") = "9"
    & skf18("4","4","7","5","10","10","1") = "9"
    & skf18("4","4","7","6","1","1","1") = "6"
    & skf18("4","4","7","6","1","2","1") = "6"
    & skf18("4","4","7","6","1","3","1") = "6"
    & skf18("4","4","7","6","1","4","1") = "6"
    & skf18("4","4","7","6","1","5","1") = "6"
    & skf18("4","4","7","6","1","6","1") = "6"
    & skf18("4","4","7","6","1","7","1") = "6"
    & skf18("4","4","7","6","1","8","1") = "7"
    & skf18("4","4","7","6","1","9","1") = "8"
    & skf18("4","4","7","6","1","10","1") = "9"
    & skf18("4","4","7","6","2","1","1") = "6"
    & skf18("4","4","7","6","2","2","1") = "6"
    & skf18("4","4","7","6","2","3","1") = "6"
    & skf18("4","4","7","6","2","4","1") = "6"
    & skf18("4","4","7","6","2","5","1") = "6"
    & skf18("4","4","7","6","2","6","1") = "6"
    & skf18("4","4","7","6","2","7","1") = "6"
    & skf18("4","4","7","6","2","8","1") = "7"
    & skf18("4","4","7","6","2","9","1") = "8"
    & skf18("4","4","7","6","2","10","1") = "9"
    & skf18("4","4","7","6","3","1","1") = "6"
    & skf18("4","4","7","6","3","2","1") = "6"
    & skf18("4","4","7","6","3","3","1") = "6"
    & skf18("4","4","7","6","3","4","1") = "6"
    & skf18("4","4","7","6","3","5","1") = "6"
    & skf18("4","4","7","6","3","6","1") = "6"
    & skf18("4","4","7","6","3","7","1") = "6"
    & skf18("4","4","7","6","3","8","1") = "7"
    & skf18("4","4","7","6","3","9","1") = "8"
    & skf18("4","4","7","6","3","10","1") = "9"
    & skf18("4","4","7","6","4","1","1") = "6"
    & skf18("4","4","7","6","4","2","1") = "6"
    & skf18("4","4","7","6","4","3","1") = "6"
    & skf18("4","4","7","6","4","4","1") = "6"
    & skf18("4","4","7","6","4","5","1") = "6"
    & skf18("4","4","7","6","4","6","1") = "6"
    & skf18("4","4","7","6","4","7","1") = "6"
    & skf18("4","4","7","6","4","8","1") = "7"
    & skf18("4","4","7","6","4","9","1") = "8"
    & skf18("4","4","7","6","4","10","1") = "9"
    & skf18("4","4","7","6","5","1","1") = "6"
    & skf18("4","4","7","6","5","2","1") = "6"
    & skf18("4","4","7","6","5","3","1") = "6"
    & skf18("4","4","7","6","5","4","1") = "6"
    & skf18("4","4","7","6","5","5","1") = "6"
    & skf18("4","4","7","6","5","6","1") = "6"
    & skf18("4","4","7","6","5","7","1") = "6"
    & skf18("4","4","7","6","5","8","1") = "7"
    & skf18("4","4","7","6","5","9","1") = "8"
    & skf18("4","4","7","6","5","10","1") = "9"
    & skf18("4","4","7","6","6","1","1") = "6"
    & skf18("4","4","7","6","6","2","1") = "6"
    & skf18("4","4","7","6","6","3","1") = "6"
    & skf18("4","4","7","6","6","4","1") = "6"
    & skf18("4","4","7","6","6","5","1") = "6"
    & skf18("4","4","7","6","6","6","1") = "6"
    & skf18("4","4","7","6","6","7","1") = "6"
    & skf18("4","4","7","6","6","8","1") = "7"
    & skf18("4","4","7","6","6","9","1") = "8"
    & skf18("4","4","7","6","6","10","1") = "9"
    & skf18("4","4","7","6","7","1","1") = "6"
    & skf18("4","4","7","6","7","2","1") = "6"
    & skf18("4","4","7","6","7","3","1") = "6"
    & skf18("4","4","7","6","7","4","1") = "6"
    & skf18("4","4","7","6","7","5","1") = "6"
    & skf18("4","4","7","6","7","6","1") = "6"
    & skf18("4","4","7","6","7","7","1") = "6"
    & skf18("4","4","7","6","7","8","1") = "7"
    & skf18("4","4","7","6","7","9","1") = "8"
    & skf18("4","4","7","6","7","10","1") = "9"
    & skf18("4","4","7","6","8","1","1") = "7"
    & skf18("4","4","7","6","8","2","1") = "7"
    & skf18("4","4","7","6","8","3","1") = "7"
    & skf18("4","4","7","6","8","4","1") = "7"
    & skf18("4","4","7","6","8","5","1") = "7"
    & skf18("4","4","7","6","8","6","1") = "7"
    & skf18("4","4","7","6","8","7","1") = "7"
    & skf18("4","4","7","6","8","8","1") = "7"
    & skf18("4","4","7","6","8","9","1") = "8"
    & skf18("4","4","7","6","8","10","1") = "9"
    & skf18("4","4","7","6","9","1","1") = "8"
    & skf18("4","4","7","6","9","2","1") = "8"
    & skf18("4","4","7","6","9","3","1") = "8"
    & skf18("4","4","7","6","9","4","1") = "8"
    & skf18("4","4","7","6","9","5","1") = "8"
    & skf18("4","4","7","6","9","6","1") = "8"
    & skf18("4","4","7","6","9","7","1") = "8"
    & skf18("4","4","7","6","9","8","1") = "8"
    & skf18("4","4","7","6","9","9","1") = "8"
    & skf18("4","4","7","6","9","10","1") = "9"
    & skf18("4","4","7","6","10","1","1") = "9"
    & skf18("4","4","7","6","10","2","1") = "9"
    & skf18("4","4","7","6","10","3","1") = "9"
    & skf18("4","4","7","6","10","4","1") = "9"
    & skf18("4","4","7","6","10","5","1") = "9"
    & skf18("4","4","7","6","10","6","1") = "9"
    & skf18("4","4","7","6","10","7","1") = "9"
    & skf18("4","4","7","6","10","8","1") = "9"
    & skf18("4","4","7","6","10","9","1") = "9"
    & skf18("4","4","7","6","10","10","1") = "9"
    & skf18("4","4","7","7","1","1","1") = "6"
    & skf18("4","4","7","7","1","2","1") = "6"
    & skf18("4","4","7","7","1","3","1") = "6"
    & skf18("4","4","7","7","1","4","1") = "6"
    & skf18("4","4","7","7","1","5","1") = "6"
    & skf18("4","4","7","7","1","6","1") = "6"
    & skf18("4","4","7","7","1","7","1") = "6"
    & skf18("4","4","7","7","1","8","1") = "7"
    & skf18("4","4","7","7","1","9","1") = "8"
    & skf18("4","4","7","7","1","10","1") = "9"
    & skf18("4","4","7","7","2","1","1") = "6"
    & skf18("4","4","7","7","2","2","1") = "6"
    & skf18("4","4","7","7","2","3","1") = "6"
    & skf18("4","4","7","7","2","4","1") = "6"
    & skf18("4","4","7","7","2","5","1") = "6"
    & skf18("4","4","7","7","2","6","1") = "6"
    & skf18("4","4","7","7","2","7","1") = "6"
    & skf18("4","4","7","7","2","8","1") = "7"
    & skf18("4","4","7","7","2","9","1") = "8"
    & skf18("4","4","7","7","2","10","1") = "9"
    & skf18("4","4","7","7","3","1","1") = "6"
    & skf18("4","4","7","7","3","2","1") = "6"
    & skf18("4","4","7","7","3","3","1") = "6"
    & skf18("4","4","7","7","3","4","1") = "6"
    & skf18("4","4","7","7","3","5","1") = "6"
    & skf18("4","4","7","7","3","6","1") = "6"
    & skf18("4","4","7","7","3","7","1") = "6"
    & skf18("4","4","7","7","3","8","1") = "7"
    & skf18("4","4","7","7","3","9","1") = "8"
    & skf18("4","4","7","7","3","10","1") = "9"
    & skf18("4","4","7","7","4","1","1") = "6"
    & skf18("4","4","7","7","4","2","1") = "6"
    & skf18("4","4","7","7","4","3","1") = "6"
    & skf18("4","4","7","7","4","4","1") = "6"
    & skf18("4","4","7","7","4","5","1") = "6"
    & skf18("4","4","7","7","4","6","1") = "6"
    & skf18("4","4","7","7","4","7","1") = "6"
    & skf18("4","4","7","7","4","8","1") = "7"
    & skf18("4","4","7","7","4","9","1") = "8"
    & skf18("4","4","7","7","4","10","1") = "9"
    & skf18("4","4","7","7","5","1","1") = "6"
    & skf18("4","4","7","7","5","2","1") = "6"
    & skf18("4","4","7","7","5","3","1") = "6"
    & skf18("4","4","7","7","5","4","1") = "6"
    & skf18("4","4","7","7","5","5","1") = "6"
    & skf18("4","4","7","7","5","6","1") = "6"
    & skf18("4","4","7","7","5","7","1") = "6"
    & skf18("4","4","7","7","5","8","1") = "7"
    & skf18("4","4","7","7","5","9","1") = "8"
    & skf18("4","4","7","7","5","10","1") = "9"
    & skf18("4","4","7","7","6","1","1") = "6"
    & skf18("4","4","7","7","6","2","1") = "6"
    & skf18("4","4","7","7","6","3","1") = "6"
    & skf18("4","4","7","7","6","4","1") = "6"
    & skf18("4","4","7","7","6","5","1") = "6"
    & skf18("4","4","7","7","6","6","1") = "6"
    & skf18("4","4","7","7","6","7","1") = "6"
    & skf18("4","4","7","7","6","8","1") = "7"
    & skf18("4","4","7","7","6","9","1") = "8"
    & skf18("4","4","7","7","6","10","1") = "9"
    & skf18("4","4","7","7","7","1","1") = "6"
    & skf18("4","4","7","7","7","2","1") = "6"
    & skf18("4","4","7","7","7","3","1") = "6"
    & skf18("4","4","7","7","7","4","1") = "6"
    & skf18("4","4","7","7","7","5","1") = "6"
    & skf18("4","4","7","7","7","6","1") = "6"
    & skf18("4","4","7","7","7","7","1") = "6"
    & skf18("4","4","7","7","7","8","1") = "7"
    & skf18("4","4","7","7","7","9","1") = "8"
    & skf18("4","4","7","7","7","10","1") = "9"
    & skf18("4","4","7","7","8","1","1") = "7"
    & skf18("4","4","7","7","8","2","1") = "7"
    & skf18("4","4","7","7","8","3","1") = "7"
    & skf18("4","4","7","7","8","4","1") = "7"
    & skf18("4","4","7","7","8","5","1") = "7"
    & skf18("4","4","7","7","8","6","1") = "7"
    & skf18("4","4","7","7","8","7","1") = "7"
    & skf18("4","4","7","7","8","8","1") = "7"
    & skf18("4","4","7","7","8","9","1") = "8"
    & skf18("4","4","7","7","8","10","1") = "9"
    & skf18("4","4","7","7","9","1","1") = "8"
    & skf18("4","4","7","7","9","2","1") = "8"
    & skf18("4","4","7","7","9","3","1") = "8"
    & skf18("4","4","7","7","9","4","1") = "8"
    & skf18("4","4","7","7","9","5","1") = "8"
    & skf18("4","4","7","7","9","6","1") = "8"
    & skf18("4","4","7","7","9","7","1") = "8"
    & skf18("4","4","7","7","9","8","1") = "8"
    & skf18("4","4","7","7","9","9","1") = "8"
    & skf18("4","4","7","7","9","10","1") = "9"
    & skf18("4","4","7","7","10","1","1") = "9"
    & skf18("4","4","7","7","10","2","1") = "9"
    & skf18("4","4","7","7","10","3","1") = "9"
    & skf18("4","4","7","7","10","4","1") = "9"
    & skf18("4","4","7","7","10","5","1") = "9"
    & skf18("4","4","7","7","10","6","1") = "9"
    & skf18("4","4","7","7","10","7","1") = "9"
    & skf18("4","4","7","7","10","8","1") = "9"
    & skf18("4","4","7","7","10","9","1") = "9"
    & skf18("4","4","7","7","10","10","1") = "9"
    & skf18("4","4","7","8","1","1","1") = "7"
    & skf18("4","4","7","8","1","2","1") = "7"
    & skf18("4","4","7","8","1","3","1") = "7"
    & skf18("4","4","7","8","1","4","1") = "7"
    & skf18("4","4","7","8","1","5","1") = "7"
    & skf18("4","4","7","8","1","6","1") = "7"
    & skf18("4","4","7","8","1","7","1") = "7"
    & skf18("4","4","7","8","1","8","1") = "7"
    & skf18("4","4","7","8","1","9","1") = "8"
    & skf18("4","4","7","8","1","10","1") = "9"
    & skf18("4","4","7","8","2","1","1") = "7"
    & skf18("4","4","7","8","2","2","1") = "7"
    & skf18("4","4","7","8","2","3","1") = "7"
    & skf18("4","4","7","8","2","4","1") = "7"
    & skf18("4","4","7","8","2","5","1") = "7"
    & skf18("4","4","7","8","2","6","1") = "7"
    & skf18("4","4","7","8","2","7","1") = "7"
    & skf18("4","4","7","8","2","8","1") = "7"
    & skf18("4","4","7","8","2","9","1") = "8"
    & skf18("4","4","7","8","2","10","1") = "9"
    & skf18("4","4","7","8","3","1","1") = "7"
    & skf18("4","4","7","8","3","2","1") = "7"
    & skf18("4","4","7","8","3","3","1") = "7"
    & skf18("4","4","7","8","3","4","1") = "7"
    & skf18("4","4","7","8","3","5","1") = "7"
    & skf18("4","4","7","8","3","6","1") = "7"
    & skf18("4","4","7","8","3","7","1") = "7"
    & skf18("4","4","7","8","3","8","1") = "7"
    & skf18("4","4","7","8","3","9","1") = "8"
    & skf18("4","4","7","8","3","10","1") = "9"
    & skf18("4","4","7","8","4","1","1") = "7"
    & skf18("4","4","7","8","4","2","1") = "7"
    & skf18("4","4","7","8","4","3","1") = "7"
    & skf18("4","4","7","8","4","4","1") = "7"
    & skf18("4","4","7","8","4","5","1") = "7"
    & skf18("4","4","7","8","4","6","1") = "7"
    & skf18("4","4","7","8","4","7","1") = "7"
    & skf18("4","4","7","8","4","8","1") = "7"
    & skf18("4","4","7","8","4","9","1") = "8"
    & skf18("4","4","7","8","4","10","1") = "9"
    & skf18("4","4","7","8","5","1","1") = "7"
    & skf18("4","4","7","8","5","2","1") = "7"
    & skf18("4","4","7","8","5","3","1") = "7"
    & skf18("4","4","7","8","5","4","1") = "7"
    & skf18("4","4","7","8","5","5","1") = "7"
    & skf18("4","4","7","8","5","6","1") = "7"
    & skf18("4","4","7","8","5","7","1") = "7"
    & skf18("4","4","7","8","5","8","1") = "7"
    & skf18("4","4","7","8","5","9","1") = "8"
    & skf18("4","4","7","8","5","10","1") = "9"
    & skf18("4","4","7","8","6","1","1") = "7"
    & skf18("4","4","7","8","6","2","1") = "7"
    & skf18("4","4","7","8","6","3","1") = "7"
    & skf18("4","4","7","8","6","4","1") = "7"
    & skf18("4","4","7","8","6","5","1") = "7"
    & skf18("4","4","7","8","6","6","1") = "7"
    & skf18("4","4","7","8","6","7","1") = "7"
    & skf18("4","4","7","8","6","8","1") = "7"
    & skf18("4","4","7","8","6","9","1") = "8"
    & skf18("4","4","7","8","6","10","1") = "9"
    & skf18("4","4","7","8","7","1","1") = "7"
    & skf18("4","4","7","8","7","2","1") = "7"
    & skf18("4","4","7","8","7","3","1") = "7"
    & skf18("4","4","7","8","7","4","1") = "7"
    & skf18("4","4","7","8","7","5","1") = "7"
    & skf18("4","4","7","8","7","6","1") = "7"
    & skf18("4","4","7","8","7","7","1") = "7"
    & skf18("4","4","7","8","7","8","1") = "7"
    & skf18("4","4","7","8","7","9","1") = "8"
    & skf18("4","4","7","8","7","10","1") = "9"
    & skf18("4","4","7","8","8","1","1") = "7"
    & skf18("4","4","7","8","8","2","1") = "7"
    & skf18("4","4","7","8","8","3","1") = "7"
    & skf18("4","4","7","8","8","4","1") = "7"
    & skf18("4","4","7","8","8","5","1") = "7"
    & skf18("4","4","7","8","8","6","1") = "7"
    & skf18("4","4","7","8","8","7","1") = "7"
    & skf18("4","4","7","8","8","8","1") = "7"
    & skf18("4","4","7","8","8","9","1") = "8"
    & skf18("4","4","7","8","8","10","1") = "9"
    & skf18("4","4","7","8","9","1","1") = "8"
    & skf18("4","4","7","8","9","2","1") = "8"
    & skf18("4","4","7","8","9","3","1") = "8"
    & skf18("4","4","7","8","9","4","1") = "8"
    & skf18("4","4","7","8","9","5","1") = "8"
    & skf18("4","4","7","8","9","6","1") = "8"
    & skf18("4","4","7","8","9","7","1") = "8"
    & skf18("4","4","7","8","9","8","1") = "8"
    & skf18("4","4","7","8","9","9","1") = "8"
    & skf18("4","4","7","8","9","10","1") = "9"
    & skf18("4","4","7","8","10","1","1") = "9"
    & skf18("4","4","7","8","10","2","1") = "9"
    & skf18("4","4","7","8","10","3","1") = "9"
    & skf18("4","4","7","8","10","4","1") = "9"
    & skf18("4","4","7","8","10","5","1") = "9"
    & skf18("4","4","7","8","10","6","1") = "9"
    & skf18("4","4","7","8","10","7","1") = "9"
    & skf18("4","4","7","8","10","8","1") = "9"
    & skf18("4","4","7","8","10","9","1") = "9"
    & skf18("4","4","7","8","10","10","1") = "9"
    & skf18("4","4","7","9","1","1","1") = "8"
    & skf18("4","4","7","9","1","2","1") = "8"
    & skf18("4","4","7","9","1","3","1") = "8"
    & skf18("4","4","7","9","1","4","1") = "8"
    & skf18("4","4","7","9","1","5","1") = "8"
    & skf18("4","4","7","9","1","6","1") = "8"
    & skf18("4","4","7","9","1","7","1") = "8"
    & skf18("4","4","7","9","1","8","1") = "8"
    & skf18("4","4","7","9","1","9","1") = "8"
    & skf18("4","4","7","9","1","10","1") = "9"
    & skf18("4","4","7","9","2","1","1") = "8"
    & skf18("4","4","7","9","2","2","1") = "8"
    & skf18("4","4","7","9","2","3","1") = "8"
    & skf18("4","4","7","9","2","4","1") = "8"
    & skf18("4","4","7","9","2","5","1") = "8"
    & skf18("4","4","7","9","2","6","1") = "8"
    & skf18("4","4","7","9","2","7","1") = "8"
    & skf18("4","4","7","9","2","8","1") = "8"
    & skf18("4","4","7","9","2","9","1") = "8"
    & skf18("4","4","7","9","2","10","1") = "9"
    & skf18("4","4","7","9","3","1","1") = "8"
    & skf18("4","4","7","9","3","2","1") = "8"
    & skf18("4","4","7","9","3","3","1") = "8"
    & skf18("4","4","7","9","3","4","1") = "8"
    & skf18("4","4","7","9","3","5","1") = "8"
    & skf18("4","4","7","9","3","6","1") = "8"
    & skf18("4","4","7","9","3","7","1") = "8"
    & skf18("4","4","7","9","3","8","1") = "8"
    & skf18("4","4","7","9","3","9","1") = "8"
    & skf18("4","4","7","9","3","10","1") = "9"
    & skf18("4","4","7","9","4","1","1") = "8"
    & skf18("4","4","7","9","4","2","1") = "8"
    & skf18("4","4","7","9","4","3","1") = "8"
    & skf18("4","4","7","9","4","4","1") = "8"
    & skf18("4","4","7","9","4","5","1") = "8"
    & skf18("4","4","7","9","4","6","1") = "8"
    & skf18("4","4","7","9","4","7","1") = "8"
    & skf18("4","4","7","9","4","8","1") = "8"
    & skf18("4","4","7","9","4","9","1") = "8"
    & skf18("4","4","7","9","4","10","1") = "9"
    & skf18("4","4","7","9","5","1","1") = "8"
    & skf18("4","4","7","9","5","2","1") = "8"
    & skf18("4","4","7","9","5","3","1") = "8"
    & skf18("4","4","7","9","5","4","1") = "8"
    & skf18("4","4","7","9","5","5","1") = "8"
    & skf18("4","4","7","9","5","6","1") = "8"
    & skf18("4","4","7","9","5","7","1") = "8"
    & skf18("4","4","7","9","5","8","1") = "8"
    & skf18("4","4","7","9","5","9","1") = "8"
    & skf18("4","4","7","9","5","10","1") = "9"
    & skf18("4","4","7","9","6","1","1") = "8"
    & skf18("4","4","7","9","6","2","1") = "8"
    & skf18("4","4","7","9","6","3","1") = "8"
    & skf18("4","4","7","9","6","4","1") = "8"
    & skf18("4","4","7","9","6","5","1") = "8"
    & skf18("4","4","7","9","6","6","1") = "8"
    & skf18("4","4","7","9","6","7","1") = "8"
    & skf18("4","4","7","9","6","8","1") = "8"
    & skf18("4","4","7","9","6","9","1") = "8"
    & skf18("4","4","7","9","6","10","1") = "9"
    & skf18("4","4","7","9","7","1","1") = "8"
    & skf18("4","4","7","9","7","2","1") = "8"
    & skf18("4","4","7","9","7","3","1") = "8"
    & skf18("4","4","7","9","7","4","1") = "8"
    & skf18("4","4","7","9","7","5","1") = "8"
    & skf18("4","4","7","9","7","6","1") = "8"
    & skf18("4","4","7","9","7","7","1") = "8"
    & skf18("4","4","7","9","7","8","1") = "8"
    & skf18("4","4","7","9","7","9","1") = "8"
    & skf18("4","4","7","9","7","10","1") = "9"
    & skf18("4","4","7","9","8","1","1") = "8"
    & skf18("4","4","7","9","8","2","1") = "8"
    & skf18("4","4","7","9","8","3","1") = "8"
    & skf18("4","4","7","9","8","4","1") = "8"
    & skf18("4","4","7","9","8","5","1") = "8"
    & skf18("4","4","7","9","8","6","1") = "8"
    & skf18("4","4","7","9","8","7","1") = "8"
    & skf18("4","4","7","9","8","8","1") = "8"
    & skf18("4","4","7","9","8","9","1") = "8"
    & skf18("4","4","7","9","8","10","1") = "9"
    & skf18("4","4","7","9","9","1","1") = "8"
    & skf18("4","4","7","9","9","2","1") = "8"
    & skf18("4","4","7","9","9","3","1") = "8"
    & skf18("4","4","7","9","9","4","1") = "8"
    & skf18("4","4","7","9","9","5","1") = "8"
    & skf18("4","4","7","9","9","6","1") = "8"
    & skf18("4","4","7","9","9","7","1") = "8"
    & skf18("4","4","7","9","9","8","1") = "8"
    & skf18("4","4","7","9","9","9","1") = "8"
    & skf18("4","4","7","9","9","10","1") = "9"
    & skf18("4","4","7","9","10","1","1") = "9"
    & skf18("4","4","7","9","10","2","1") = "9"
    & skf18("4","4","7","9","10","3","1") = "9"
    & skf18("4","4","7","9","10","4","1") = "9"
    & skf18("4","4","7","9","10","5","1") = "9"
    & skf18("4","4","7","9","10","6","1") = "9"
    & skf18("4","4","7","9","10","7","1") = "9"
    & skf18("4","4","7","9","10","8","1") = "9"
    & skf18("4","4","7","9","10","9","1") = "9"
    & skf18("4","4","7","9","10","10","1") = "9"
    & skf18("4","4","7","10","1","1","1") = "9"
    & skf18("4","4","7","10","1","2","1") = "9"
    & skf18("4","4","7","10","1","3","1") = "9"
    & skf18("4","4","7","10","1","4","1") = "9"
    & skf18("4","4","7","10","1","5","1") = "9"
    & skf18("4","4","7","10","1","6","1") = "9"
    & skf18("4","4","7","10","1","7","1") = "9"
    & skf18("4","4","7","10","1","8","1") = "9"
    & skf18("4","4","7","10","1","9","1") = "9"
    & skf18("4","4","7","10","1","10","1") = "9"
    & skf18("4","4","7","10","2","1","1") = "9"
    & skf18("4","4","7","10","2","2","1") = "9"
    & skf18("4","4","7","10","2","3","1") = "9"
    & skf18("4","4","7","10","2","4","1") = "9"
    & skf18("4","4","7","10","2","5","1") = "9"
    & skf18("4","4","7","10","2","6","1") = "9"
    & skf18("4","4","7","10","2","7","1") = "9"
    & skf18("4","4","7","10","2","8","1") = "9"
    & skf18("4","4","7","10","2","9","1") = "9"
    & skf18("4","4","7","10","2","10","1") = "9"
    & skf18("4","4","7","10","3","1","1") = "9"
    & skf18("4","4","7","10","3","2","1") = "9"
    & skf18("4","4","7","10","3","3","1") = "9"
    & skf18("4","4","7","10","3","4","1") = "9"
    & skf18("4","4","7","10","3","5","1") = "9"
    & skf18("4","4","7","10","3","6","1") = "9"
    & skf18("4","4","7","10","3","7","1") = "9"
    & skf18("4","4","7","10","3","8","1") = "9"
    & skf18("4","4","7","10","3","9","1") = "9"
    & skf18("4","4","7","10","3","10","1") = "9"
    & skf18("4","4","7","10","4","1","1") = "9"
    & skf18("4","4","7","10","4","2","1") = "9"
    & skf18("4","4","7","10","4","3","1") = "9"
    & skf18("4","4","7","10","4","4","1") = "9"
    & skf18("4","4","7","10","4","5","1") = "9"
    & skf18("4","4","7","10","4","6","1") = "9"
    & skf18("4","4","7","10","4","7","1") = "9"
    & skf18("4","4","7","10","4","8","1") = "9"
    & skf18("4","4","7","10","4","9","1") = "9"
    & skf18("4","4","7","10","4","10","1") = "9"
    & skf18("4","4","7","10","5","1","1") = "9"
    & skf18("4","4","7","10","5","2","1") = "9"
    & skf18("4","4","7","10","5","3","1") = "9"
    & skf18("4","4","7","10","5","4","1") = "9"
    & skf18("4","4","7","10","5","5","1") = "9"
    & skf18("4","4","7","10","5","6","1") = "9"
    & skf18("4","4","7","10","5","7","1") = "9"
    & skf18("4","4","7","10","5","8","1") = "9"
    & skf18("4","4","7","10","5","9","1") = "9"
    & skf18("4","4","7","10","5","10","1") = "9"
    & skf18("4","4","7","10","6","1","1") = "9"
    & skf18("4","4","7","10","6","2","1") = "9"
    & skf18("4","4","7","10","6","3","1") = "9"
    & skf18("4","4","7","10","6","4","1") = "9"
    & skf18("4","4","7","10","6","5","1") = "9"
    & skf18("4","4","7","10","6","6","1") = "9"
    & skf18("4","4","7","10","6","7","1") = "9"
    & skf18("4","4","7","10","6","8","1") = "9"
    & skf18("4","4","7","10","6","9","1") = "9"
    & skf18("4","4","7","10","6","10","1") = "9"
    & skf18("4","4","7","10","7","1","1") = "9"
    & skf18("4","4","7","10","7","2","1") = "9"
    & skf18("4","4","7","10","7","3","1") = "9"
    & skf18("4","4","7","10","7","4","1") = "9"
    & skf18("4","4","7","10","7","5","1") = "9"
    & skf18("4","4","7","10","7","6","1") = "9"
    & skf18("4","4","7","10","7","7","1") = "9"
    & skf18("4","4","7","10","7","8","1") = "9"
    & skf18("4","4","7","10","7","9","1") = "9"
    & skf18("4","4","7","10","7","10","1") = "9"
    & skf18("4","4","7","10","8","1","1") = "9"
    & skf18("4","4","7","10","8","2","1") = "9"
    & skf18("4","4","7","10","8","3","1") = "9"
    & skf18("4","4","7","10","8","4","1") = "9"
    & skf18("4","4","7","10","8","5","1") = "9"
    & skf18("4","4","7","10","8","6","1") = "9"
    & skf18("4","4","7","10","8","7","1") = "9"
    & skf18("4","4","7","10","8","8","1") = "9"
    & skf18("4","4","7","10","8","9","1") = "9"
    & skf18("4","4","7","10","8","10","1") = "9"
    & skf18("4","4","7","10","9","1","1") = "9"
    & skf18("4","4","7","10","9","2","1") = "9"
    & skf18("4","4","7","10","9","3","1") = "9"
    & skf18("4","4","7","10","9","4","1") = "9"
    & skf18("4","4","7","10","9","5","1") = "9"
    & skf18("4","4","7","10","9","6","1") = "9"
    & skf18("4","4","7","10","9","7","1") = "9"
    & skf18("4","4","7","10","9","8","1") = "9"
    & skf18("4","4","7","10","9","9","1") = "9"
    & skf18("4","4","7","10","9","10","1") = "9"
    & skf18("4","4","7","10","10","1","1") = "9"
    & skf18("4","4","7","10","10","2","1") = "9"
    & skf18("4","4","7","10","10","3","1") = "9"
    & skf18("4","4","7","10","10","4","1") = "9"
    & skf18("4","4","7","10","10","5","1") = "9"
    & skf18("4","4","7","10","10","6","1") = "9"
    & skf18("4","4","7","10","10","7","1") = "9"
    & skf18("4","4","7","10","10","8","1") = "9"
    & skf18("4","4","7","10","10","9","1") = "9"
    & skf18("4","4","7","10","10","10","1") = "9"
    & skf18("4","4","8","1","1","1","1") = "7"
    & skf18("4","4","8","1","1","2","1") = "7"
    & skf18("4","4","8","1","1","3","1") = "7"
    & skf18("4","4","8","1","1","4","1") = "7"
    & skf18("4","4","8","1","1","5","1") = "7"
    & skf18("4","4","8","1","1","6","1") = "7"
    & skf18("4","4","8","1","1","7","1") = "7"
    & skf18("4","4","8","1","1","8","1") = "7"
    & skf18("4","4","8","1","1","9","1") = "8"
    & skf18("4","4","8","1","1","10","1") = "9"
    & skf18("4","4","8","1","2","1","1") = "7"
    & skf18("4","4","8","1","2","2","1") = "7"
    & skf18("4","4","8","1","2","3","1") = "7"
    & skf18("4","4","8","1","2","4","1") = "7"
    & skf18("4","4","8","1","2","5","1") = "7"
    & skf18("4","4","8","1","2","6","1") = "7"
    & skf18("4","4","8","1","2","7","1") = "7"
    & skf18("4","4","8","1","2","8","1") = "7"
    & skf18("4","4","8","1","2","9","1") = "8"
    & skf18("4","4","8","1","2","10","1") = "9"
    & skf18("4","4","8","1","3","1","1") = "7"
    & skf18("4","4","8","1","3","2","1") = "7"
    & skf18("4","4","8","1","3","3","1") = "7"
    & skf18("4","4","8","1","3","4","1") = "7"
    & skf18("4","4","8","1","3","5","1") = "7"
    & skf18("4","4","8","1","3","6","1") = "7"
    & skf18("4","4","8","1","3","7","1") = "7"
    & skf18("4","4","8","1","3","8","1") = "7"
    & skf18("4","4","8","1","3","9","1") = "8"
    & skf18("4","4","8","1","3","10","1") = "9"
    & skf18("4","4","8","1","4","1","1") = "7"
    & skf18("4","4","8","1","4","2","1") = "7"
    & skf18("4","4","8","1","4","3","1") = "7"
    & skf18("4","4","8","1","4","4","1") = "7"
    & skf18("4","4","8","1","4","5","1") = "7"
    & skf18("4","4","8","1","4","6","1") = "7"
    & skf18("4","4","8","1","4","7","1") = "7"
    & skf18("4","4","8","1","4","8","1") = "7"
    & skf18("4","4","8","1","4","9","1") = "8"
    & skf18("4","4","8","1","4","10","1") = "9"
    & skf18("4","4","8","1","5","1","1") = "7"
    & skf18("4","4","8","1","5","2","1") = "7"
    & skf18("4","4","8","1","5","3","1") = "7"
    & skf18("4","4","8","1","5","4","1") = "7"
    & skf18("4","4","8","1","5","5","1") = "7"
    & skf18("4","4","8","1","5","6","1") = "7"
    & skf18("4","4","8","1","5","7","1") = "7"
    & skf18("4","4","8","1","5","8","1") = "7"
    & skf18("4","4","8","1","5","9","1") = "8"
    & skf18("4","4","8","1","5","10","1") = "9"
    & skf18("4","4","8","1","6","1","1") = "7"
    & skf18("4","4","8","1","6","2","1") = "7"
    & skf18("4","4","8","1","6","3","1") = "7"
    & skf18("4","4","8","1","6","4","1") = "7"
    & skf18("4","4","8","1","6","5","1") = "7"
    & skf18("4","4","8","1","6","6","1") = "7"
    & skf18("4","4","8","1","6","7","1") = "7"
    & skf18("4","4","8","1","6","8","1") = "7"
    & skf18("4","4","8","1","6","9","1") = "8"
    & skf18("4","4","8","1","6","10","1") = "9"
    & skf18("4","4","8","1","7","1","1") = "7"
    & skf18("4","4","8","1","7","2","1") = "7"
    & skf18("4","4","8","1","7","3","1") = "7"
    & skf18("4","4","8","1","7","4","1") = "7"
    & skf18("4","4","8","1","7","5","1") = "7"
    & skf18("4","4","8","1","7","6","1") = "7"
    & skf18("4","4","8","1","7","7","1") = "7"
    & skf18("4","4","8","1","7","8","1") = "7"
    & skf18("4","4","8","1","7","9","1") = "8"
    & skf18("4","4","8","1","7","10","1") = "9"
    & skf18("4","4","8","1","8","1","1") = "7"
    & skf18("4","4","8","1","8","2","1") = "7"
    & skf18("4","4","8","1","8","3","1") = "7"
    & skf18("4","4","8","1","8","4","1") = "7"
    & skf18("4","4","8","1","8","5","1") = "7"
    & skf18("4","4","8","1","8","6","1") = "7"
    & skf18("4","4","8","1","8","7","1") = "7"
    & skf18("4","4","8","1","8","8","1") = "7"
    & skf18("4","4","8","1","8","9","1") = "8"
    & skf18("4","4","8","1","8","10","1") = "9"
    & skf18("4","4","8","1","9","1","1") = "8"
    & skf18("4","4","8","1","9","2","1") = "8"
    & skf18("4","4","8","1","9","3","1") = "8"
    & skf18("4","4","8","1","9","4","1") = "8"
    & skf18("4","4","8","1","9","5","1") = "8"
    & skf18("4","4","8","1","9","6","1") = "8"
    & skf18("4","4","8","1","9","7","1") = "8"
    & skf18("4","4","8","1","9","8","1") = "8"
    & skf18("4","4","8","1","9","9","1") = "8"
    & skf18("4","4","8","1","9","10","1") = "9"
    & skf18("4","4","8","1","10","1","1") = "9"
    & skf18("4","4","8","1","10","2","1") = "9"
    & skf18("4","4","8","1","10","3","1") = "9"
    & skf18("4","4","8","1","10","4","1") = "9"
    & skf18("4","4","8","1","10","5","1") = "9"
    & skf18("4","4","8","1","10","6","1") = "9"
    & skf18("4","4","8","1","10","7","1") = "9"
    & skf18("4","4","8","1","10","8","1") = "9"
    & skf18("4","4","8","1","10","9","1") = "9"
    & skf18("4","4","8","1","10","10","1") = "9"
    & skf18("4","4","8","2","1","1","1") = "7"
    & skf18("4","4","8","2","1","2","1") = "7"
    & skf18("4","4","8","2","1","3","1") = "7"
    & skf18("4","4","8","2","1","4","1") = "7"
    & skf18("4","4","8","2","1","5","1") = "7"
    & skf18("4","4","8","2","1","6","1") = "7"
    & skf18("4","4","8","2","1","7","1") = "7"
    & skf18("4","4","8","2","1","8","1") = "7"
    & skf18("4","4","8","2","1","9","1") = "8"
    & skf18("4","4","8","2","1","10","1") = "9"
    & skf18("4","4","8","2","2","1","1") = "7"
    & skf18("4","4","8","2","2","2","1") = "7"
    & skf18("4","4","8","2","2","3","1") = "7"
    & skf18("4","4","8","2","2","4","1") = "7"
    & skf18("4","4","8","2","2","5","1") = "7"
    & skf18("4","4","8","2","2","6","1") = "7"
    & skf18("4","4","8","2","2","7","1") = "7"
    & skf18("4","4","8","2","2","8","1") = "7"
    & skf18("4","4","8","2","2","9","1") = "8"
    & skf18("4","4","8","2","2","10","1") = "9"
    & skf18("4","4","8","2","3","1","1") = "7"
    & skf18("4","4","8","2","3","2","1") = "7"
    & skf18("4","4","8","2","3","3","1") = "7"
    & skf18("4","4","8","2","3","4","1") = "7"
    & skf18("4","4","8","2","3","5","1") = "7"
    & skf18("4","4","8","2","3","6","1") = "7"
    & skf18("4","4","8","2","3","7","1") = "7"
    & skf18("4","4","8","2","3","8","1") = "7"
    & skf18("4","4","8","2","3","9","1") = "8"
    & skf18("4","4","8","2","3","10","1") = "9"
    & skf18("4","4","8","2","4","1","1") = "7"
    & skf18("4","4","8","2","4","2","1") = "7"
    & skf18("4","4","8","2","4","3","1") = "7"
    & skf18("4","4","8","2","4","4","1") = "7"
    & skf18("4","4","8","2","4","5","1") = "7"
    & skf18("4","4","8","2","4","6","1") = "7"
    & skf18("4","4","8","2","4","7","1") = "7"
    & skf18("4","4","8","2","4","8","1") = "7"
    & skf18("4","4","8","2","4","9","1") = "8"
    & skf18("4","4","8","2","4","10","1") = "9"
    & skf18("4","4","8","2","5","1","1") = "7"
    & skf18("4","4","8","2","5","2","1") = "7"
    & skf18("4","4","8","2","5","3","1") = "7"
    & skf18("4","4","8","2","5","4","1") = "7"
    & skf18("4","4","8","2","5","5","1") = "7"
    & skf18("4","4","8","2","5","6","1") = "7"
    & skf18("4","4","8","2","5","7","1") = "7"
    & skf18("4","4","8","2","5","8","1") = "7"
    & skf18("4","4","8","2","5","9","1") = "8"
    & skf18("4","4","8","2","5","10","1") = "9"
    & skf18("4","4","8","2","6","1","1") = "7"
    & skf18("4","4","8","2","6","2","1") = "7"
    & skf18("4","4","8","2","6","3","1") = "7"
    & skf18("4","4","8","2","6","4","1") = "7"
    & skf18("4","4","8","2","6","5","1") = "7"
    & skf18("4","4","8","2","6","6","1") = "7"
    & skf18("4","4","8","2","6","7","1") = "7"
    & skf18("4","4","8","2","6","8","1") = "7"
    & skf18("4","4","8","2","6","9","1") = "8"
    & skf18("4","4","8","2","6","10","1") = "9"
    & skf18("4","4","8","2","7","1","1") = "7"
    & skf18("4","4","8","2","7","2","1") = "7"
    & skf18("4","4","8","2","7","3","1") = "7"
    & skf18("4","4","8","2","7","4","1") = "7"
    & skf18("4","4","8","2","7","5","1") = "7"
    & skf18("4","4","8","2","7","6","1") = "7"
    & skf18("4","4","8","2","7","7","1") = "7"
    & skf18("4","4","8","2","7","8","1") = "7"
    & skf18("4","4","8","2","7","9","1") = "8"
    & skf18("4","4","8","2","7","10","1") = "9"
    & skf18("4","4","8","2","8","1","1") = "7"
    & skf18("4","4","8","2","8","2","1") = "7"
    & skf18("4","4","8","2","8","3","1") = "7"
    & skf18("4","4","8","2","8","4","1") = "7"
    & skf18("4","4","8","2","8","5","1") = "7"
    & skf18("4","4","8","2","8","6","1") = "7"
    & skf18("4","4","8","2","8","7","1") = "7"
    & skf18("4","4","8","2","8","8","1") = "7"
    & skf18("4","4","8","2","8","9","1") = "8"
    & skf18("4","4","8","2","8","10","1") = "9"
    & skf18("4","4","8","2","9","1","1") = "8"
    & skf18("4","4","8","2","9","2","1") = "8"
    & skf18("4","4","8","2","9","3","1") = "8"
    & skf18("4","4","8","2","9","4","1") = "8"
    & skf18("4","4","8","2","9","5","1") = "8"
    & skf18("4","4","8","2","9","6","1") = "8"
    & skf18("4","4","8","2","9","7","1") = "8"
    & skf18("4","4","8","2","9","8","1") = "8"
    & skf18("4","4","8","2","9","9","1") = "8"
    & skf18("4","4","8","2","9","10","1") = "9"
    & skf18("4","4","8","2","10","1","1") = "9"
    & skf18("4","4","8","2","10","2","1") = "9"
    & skf18("4","4","8","2","10","3","1") = "9"
    & skf18("4","4","8","2","10","4","1") = "9"
    & skf18("4","4","8","2","10","5","1") = "9"
    & skf18("4","4","8","2","10","6","1") = "9"
    & skf18("4","4","8","2","10","7","1") = "9"
    & skf18("4","4","8","2","10","8","1") = "9"
    & skf18("4","4","8","2","10","9","1") = "9"
    & skf18("4","4","8","2","10","10","1") = "9"
    & skf18("4","4","8","3","1","1","1") = "7"
    & skf18("4","4","8","3","1","2","1") = "7"
    & skf18("4","4","8","3","1","3","1") = "7"
    & skf18("4","4","8","3","1","4","1") = "7"
    & skf18("4","4","8","3","1","5","1") = "7"
    & skf18("4","4","8","3","1","6","1") = "7"
    & skf18("4","4","8","3","1","7","1") = "7"
    & skf18("4","4","8","3","1","8","1") = "7"
    & skf18("4","4","8","3","1","9","1") = "8"
    & skf18("4","4","8","3","1","10","1") = "9"
    & skf18("4","4","8","3","2","1","1") = "7"
    & skf18("4","4","8","3","2","2","1") = "7"
    & skf18("4","4","8","3","2","3","1") = "7"
    & skf18("4","4","8","3","2","4","1") = "7"
    & skf18("4","4","8","3","2","5","1") = "7"
    & skf18("4","4","8","3","2","6","1") = "7"
    & skf18("4","4","8","3","2","7","1") = "7"
    & skf18("4","4","8","3","2","8","1") = "7"
    & skf18("4","4","8","3","2","9","1") = "8"
    & skf18("4","4","8","3","2","10","1") = "9"
    & skf18("4","4","8","3","3","1","1") = "7"
    & skf18("4","4","8","3","3","2","1") = "7"
    & skf18("4","4","8","3","3","3","1") = "7"
    & skf18("4","4","8","3","3","4","1") = "7"
    & skf18("4","4","8","3","3","5","1") = "7"
    & skf18("4","4","8","3","3","6","1") = "7"
    & skf18("4","4","8","3","3","7","1") = "7"
    & skf18("4","4","8","3","3","8","1") = "7"
    & skf18("4","4","8","3","3","9","1") = "8"
    & skf18("4","4","8","3","3","10","1") = "9"
    & skf18("4","4","8","3","4","1","1") = "7"
    & skf18("4","4","8","3","4","2","1") = "7"
    & skf18("4","4","8","3","4","3","1") = "7"
    & skf18("4","4","8","3","4","4","1") = "7"
    & skf18("4","4","8","3","4","5","1") = "7"
    & skf18("4","4","8","3","4","6","1") = "7"
    & skf18("4","4","8","3","4","7","1") = "7"
    & skf18("4","4","8","3","4","8","1") = "7"
    & skf18("4","4","8","3","4","9","1") = "8"
    & skf18("4","4","8","3","4","10","1") = "9"
    & skf18("4","4","8","3","5","1","1") = "7"
    & skf18("4","4","8","3","5","2","1") = "7"
    & skf18("4","4","8","3","5","3","1") = "7"
    & skf18("4","4","8","3","5","4","1") = "7"
    & skf18("4","4","8","3","5","5","1") = "7"
    & skf18("4","4","8","3","5","6","1") = "7"
    & skf18("4","4","8","3","5","7","1") = "7"
    & skf18("4","4","8","3","5","8","1") = "7"
    & skf18("4","4","8","3","5","9","1") = "8"
    & skf18("4","4","8","3","5","10","1") = "9"
    & skf18("4","4","8","3","6","1","1") = "7"
    & skf18("4","4","8","3","6","2","1") = "7"
    & skf18("4","4","8","3","6","3","1") = "7"
    & skf18("4","4","8","3","6","4","1") = "7"
    & skf18("4","4","8","3","6","5","1") = "7"
    & skf18("4","4","8","3","6","6","1") = "7"
    & skf18("4","4","8","3","6","7","1") = "7"
    & skf18("4","4","8","3","6","8","1") = "7"
    & skf18("4","4","8","3","6","9","1") = "8"
    & skf18("4","4","8","3","6","10","1") = "9"
    & skf18("4","4","8","3","7","1","1") = "7"
    & skf18("4","4","8","3","7","2","1") = "7"
    & skf18("4","4","8","3","7","3","1") = "7"
    & skf18("4","4","8","3","7","4","1") = "7"
    & skf18("4","4","8","3","7","5","1") = "7"
    & skf18("4","4","8","3","7","6","1") = "7"
    & skf18("4","4","8","3","7","7","1") = "7"
    & skf18("4","4","8","3","7","8","1") = "7"
    & skf18("4","4","8","3","7","9","1") = "8"
    & skf18("4","4","8","3","7","10","1") = "9"
    & skf18("4","4","8","3","8","1","1") = "7"
    & skf18("4","4","8","3","8","2","1") = "7"
    & skf18("4","4","8","3","8","3","1") = "7"
    & skf18("4","4","8","3","8","4","1") = "7"
    & skf18("4","4","8","3","8","5","1") = "7"
    & skf18("4","4","8","3","8","6","1") = "7"
    & skf18("4","4","8","3","8","7","1") = "7"
    & skf18("4","4","8","3","8","8","1") = "7"
    & skf18("4","4","8","3","8","9","1") = "8"
    & skf18("4","4","8","3","8","10","1") = "9"
    & skf18("4","4","8","3","9","1","1") = "8"
    & skf18("4","4","8","3","9","2","1") = "8"
    & skf18("4","4","8","3","9","3","1") = "8"
    & skf18("4","4","8","3","9","4","1") = "8"
    & skf18("4","4","8","3","9","5","1") = "8"
    & skf18("4","4","8","3","9","6","1") = "8"
    & skf18("4","4","8","3","9","7","1") = "8"
    & skf18("4","4","8","3","9","8","1") = "8"
    & skf18("4","4","8","3","9","9","1") = "8"
    & skf18("4","4","8","3","9","10","1") = "9"
    & skf18("4","4","8","3","10","1","1") = "9"
    & skf18("4","4","8","3","10","2","1") = "9"
    & skf18("4","4","8","3","10","3","1") = "9"
    & skf18("4","4","8","3","10","4","1") = "9"
    & skf18("4","4","8","3","10","5","1") = "9"
    & skf18("4","4","8","3","10","6","1") = "9"
    & skf18("4","4","8","3","10","7","1") = "9"
    & skf18("4","4","8","3","10","8","1") = "9"
    & skf18("4","4","8","3","10","9","1") = "9"
    & skf18("4","4","8","3","10","10","1") = "9"
    & skf18("4","4","8","4","1","1","1") = "7"
    & skf18("4","4","8","4","1","2","1") = "7"
    & skf18("4","4","8","4","1","3","1") = "7"
    & skf18("4","4","8","4","1","4","1") = "7"
    & skf18("4","4","8","4","1","5","1") = "7"
    & skf18("4","4","8","4","1","6","1") = "7"
    & skf18("4","4","8","4","1","7","1") = "7"
    & skf18("4","4","8","4","1","8","1") = "7"
    & skf18("4","4","8","4","1","9","1") = "8"
    & skf18("4","4","8","4","1","10","1") = "9"
    & skf18("4","4","8","4","2","1","1") = "7"
    & skf18("4","4","8","4","2","2","1") = "7"
    & skf18("4","4","8","4","2","3","1") = "7"
    & skf18("4","4","8","4","2","4","1") = "7"
    & skf18("4","4","8","4","2","5","1") = "7"
    & skf18("4","4","8","4","2","6","1") = "7"
    & skf18("4","4","8","4","2","7","1") = "7"
    & skf18("4","4","8","4","2","8","1") = "7"
    & skf18("4","4","8","4","2","9","1") = "8"
    & skf18("4","4","8","4","2","10","1") = "9"
    & skf18("4","4","8","4","3","1","1") = "7"
    & skf18("4","4","8","4","3","2","1") = "7"
    & skf18("4","4","8","4","3","3","1") = "7"
    & skf18("4","4","8","4","3","4","1") = "7"
    & skf18("4","4","8","4","3","5","1") = "7"
    & skf18("4","4","8","4","3","6","1") = "7"
    & skf18("4","4","8","4","3","7","1") = "7"
    & skf18("4","4","8","4","3","8","1") = "7"
    & skf18("4","4","8","4","3","9","1") = "8"
    & skf18("4","4","8","4","3","10","1") = "9"
    & skf18("4","4","8","4","4","1","1") = "7"
    & skf18("4","4","8","4","4","2","1") = "7"
    & skf18("4","4","8","4","4","3","1") = "7"
    & skf18("4","4","8","4","4","4","1") = "7"
    & skf18("4","4","8","4","4","5","1") = "7"
    & skf18("4","4","8","4","4","6","1") = "7"
    & skf18("4","4","8","4","4","7","1") = "7"
    & skf18("4","4","8","4","4","8","1") = "7"
    & skf18("4","4","8","4","4","9","1") = "8"
    & skf18("4","4","8","4","4","10","1") = "9"
    & skf18("4","4","8","4","5","1","1") = "7"
    & skf18("4","4","8","4","5","2","1") = "7"
    & skf18("4","4","8","4","5","3","1") = "7"
    & skf18("4","4","8","4","5","4","1") = "7"
    & skf18("4","4","8","4","5","5","1") = "7"
    & skf18("4","4","8","4","5","6","1") = "7"
    & skf18("4","4","8","4","5","7","1") = "7"
    & skf18("4","4","8","4","5","8","1") = "7"
    & skf18("4","4","8","4","5","9","1") = "8"
    & skf18("4","4","8","4","5","10","1") = "9"
    & skf18("4","4","8","4","6","1","1") = "7"
    & skf18("4","4","8","4","6","2","1") = "7"
    & skf18("4","4","8","4","6","3","1") = "7"
    & skf18("4","4","8","4","6","4","1") = "7"
    & skf18("4","4","8","4","6","5","1") = "7"
    & skf18("4","4","8","4","6","6","1") = "7"
    & skf18("4","4","8","4","6","7","1") = "7"
    & skf18("4","4","8","4","6","8","1") = "7"
    & skf18("4","4","8","4","6","9","1") = "8"
    & skf18("4","4","8","4","6","10","1") = "9"
    & skf18("4","4","8","4","7","1","1") = "7"
    & skf18("4","4","8","4","7","2","1") = "7"
    & skf18("4","4","8","4","7","3","1") = "7"
    & skf18("4","4","8","4","7","4","1") = "7"
    & skf18("4","4","8","4","7","5","1") = "7"
    & skf18("4","4","8","4","7","6","1") = "7"
    & skf18("4","4","8","4","7","7","1") = "7"
    & skf18("4","4","8","4","7","8","1") = "7"
    & skf18("4","4","8","4","7","9","1") = "8"
    & skf18("4","4","8","4","7","10","1") = "9"
    & skf18("4","4","8","4","8","1","1") = "7"
    & skf18("4","4","8","4","8","2","1") = "7"
    & skf18("4","4","8","4","8","3","1") = "7"
    & skf18("4","4","8","4","8","4","1") = "7"
    & skf18("4","4","8","4","8","5","1") = "7"
    & skf18("4","4","8","4","8","6","1") = "7"
    & skf18("4","4","8","4","8","7","1") = "7"
    & skf18("4","4","8","4","8","8","1") = "7"
    & skf18("4","4","8","4","8","9","1") = "8"
    & skf18("4","4","8","4","8","10","1") = "9"
    & skf18("4","4","8","4","9","1","1") = "8"
    & skf18("4","4","8","4","9","2","1") = "8"
    & skf18("4","4","8","4","9","3","1") = "8"
    & skf18("4","4","8","4","9","4","1") = "8"
    & skf18("4","4","8","4","9","5","1") = "8"
    & skf18("4","4","8","4","9","6","1") = "8"
    & skf18("4","4","8","4","9","7","1") = "8"
    & skf18("4","4","8","4","9","8","1") = "8"
    & skf18("4","4","8","4","9","9","1") = "8"
    & skf18("4","4","8","4","9","10","1") = "9"
    & skf18("4","4","8","4","10","1","1") = "9"
    & skf18("4","4","8","4","10","2","1") = "9"
    & skf18("4","4","8","4","10","3","1") = "9"
    & skf18("4","4","8","4","10","4","1") = "9"
    & skf18("4","4","8","4","10","5","1") = "9"
    & skf18("4","4","8","4","10","6","1") = "9"
    & skf18("4","4","8","4","10","7","1") = "9"
    & skf18("4","4","8","4","10","8","1") = "9"
    & skf18("4","4","8","4","10","9","1") = "9"
    & skf18("4","4","8","4","10","10","1") = "9"
    & skf18("4","4","8","5","1","1","1") = "7"
    & skf18("4","4","8","5","1","2","1") = "7"
    & skf18("4","4","8","5","1","3","1") = "7"
    & skf18("4","4","8","5","1","4","1") = "7"
    & skf18("4","4","8","5","1","5","1") = "7"
    & skf18("4","4","8","5","1","6","1") = "7"
    & skf18("4","4","8","5","1","7","1") = "7"
    & skf18("4","4","8","5","1","8","1") = "7"
    & skf18("4","4","8","5","1","9","1") = "8"
    & skf18("4","4","8","5","1","10","1") = "9"
    & skf18("4","4","8","5","2","1","1") = "7"
    & skf18("4","4","8","5","2","2","1") = "7"
    & skf18("4","4","8","5","2","3","1") = "7"
    & skf18("4","4","8","5","2","4","1") = "7"
    & skf18("4","4","8","5","2","5","1") = "7"
    & skf18("4","4","8","5","2","6","1") = "7"
    & skf18("4","4","8","5","2","7","1") = "7"
    & skf18("4","4","8","5","2","8","1") = "7"
    & skf18("4","4","8","5","2","9","1") = "8"
    & skf18("4","4","8","5","2","10","1") = "9"
    & skf18("4","4","8","5","3","1","1") = "7"
    & skf18("4","4","8","5","3","2","1") = "7"
    & skf18("4","4","8","5","3","3","1") = "7"
    & skf18("4","4","8","5","3","4","1") = "7"
    & skf18("4","4","8","5","3","5","1") = "7"
    & skf18("4","4","8","5","3","6","1") = "7"
    & skf18("4","4","8","5","3","7","1") = "7"
    & skf18("4","4","8","5","3","8","1") = "7"
    & skf18("4","4","8","5","3","9","1") = "8"
    & skf18("4","4","8","5","3","10","1") = "9"
    & skf18("4","4","8","5","4","1","1") = "7"
    & skf18("4","4","8","5","4","2","1") = "7"
    & skf18("4","4","8","5","4","3","1") = "7"
    & skf18("4","4","8","5","4","4","1") = "7"
    & skf18("4","4","8","5","4","5","1") = "7"
    & skf18("4","4","8","5","4","6","1") = "7"
    & skf18("4","4","8","5","4","7","1") = "7"
    & skf18("4","4","8","5","4","8","1") = "7"
    & skf18("4","4","8","5","4","9","1") = "8"
    & skf18("4","4","8","5","4","10","1") = "9"
    & skf18("4","4","8","5","5","1","1") = "7"
    & skf18("4","4","8","5","5","2","1") = "7"
    & skf18("4","4","8","5","5","3","1") = "7"
    & skf18("4","4","8","5","5","4","1") = "7"
    & skf18("4","4","8","5","5","5","1") = "7"
    & skf18("4","4","8","5","5","6","1") = "7"
    & skf18("4","4","8","5","5","7","1") = "7"
    & skf18("4","4","8","5","5","8","1") = "7"
    & skf18("4","4","8","5","5","9","1") = "8"
    & skf18("4","4","8","5","5","10","1") = "9"
    & skf18("4","4","8","5","6","1","1") = "7"
    & skf18("4","4","8","5","6","2","1") = "7"
    & skf18("4","4","8","5","6","3","1") = "7"
    & skf18("4","4","8","5","6","4","1") = "7"
    & skf18("4","4","8","5","6","5","1") = "7"
    & skf18("4","4","8","5","6","6","1") = "7"
    & skf18("4","4","8","5","6","7","1") = "7"
    & skf18("4","4","8","5","6","8","1") = "7"
    & skf18("4","4","8","5","6","9","1") = "8"
    & skf18("4","4","8","5","6","10","1") = "9"
    & skf18("4","4","8","5","7","1","1") = "7"
    & skf18("4","4","8","5","7","2","1") = "7"
    & skf18("4","4","8","5","7","3","1") = "7"
    & skf18("4","4","8","5","7","4","1") = "7"
    & skf18("4","4","8","5","7","5","1") = "7"
    & skf18("4","4","8","5","7","6","1") = "7"
    & skf18("4","4","8","5","7","7","1") = "7"
    & skf18("4","4","8","5","7","8","1") = "7"
    & skf18("4","4","8","5","7","9","1") = "8"
    & skf18("4","4","8","5","7","10","1") = "9"
    & skf18("4","4","8","5","8","1","1") = "7"
    & skf18("4","4","8","5","8","2","1") = "7"
    & skf18("4","4","8","5","8","3","1") = "7"
    & skf18("4","4","8","5","8","4","1") = "7"
    & skf18("4","4","8","5","8","5","1") = "7"
    & skf18("4","4","8","5","8","6","1") = "7"
    & skf18("4","4","8","5","8","7","1") = "7"
    & skf18("4","4","8","5","8","8","1") = "7"
    & skf18("4","4","8","5","8","9","1") = "8"
    & skf18("4","4","8","5","8","10","1") = "9"
    & skf18("4","4","8","5","9","1","1") = "8"
    & skf18("4","4","8","5","9","2","1") = "8"
    & skf18("4","4","8","5","9","3","1") = "8"
    & skf18("4","4","8","5","9","4","1") = "8"
    & skf18("4","4","8","5","9","5","1") = "8"
    & skf18("4","4","8","5","9","6","1") = "8"
    & skf18("4","4","8","5","9","7","1") = "8"
    & skf18("4","4","8","5","9","8","1") = "8"
    & skf18("4","4","8","5","9","9","1") = "8"
    & skf18("4","4","8","5","9","10","1") = "9"
    & skf18("4","4","8","5","10","1","1") = "9"
    & skf18("4","4","8","5","10","2","1") = "9"
    & skf18("4","4","8","5","10","3","1") = "9"
    & skf18("4","4","8","5","10","4","1") = "9"
    & skf18("4","4","8","5","10","5","1") = "9"
    & skf18("4","4","8","5","10","6","1") = "9"
    & skf18("4","4","8","5","10","7","1") = "9"
    & skf18("4","4","8","5","10","8","1") = "9"
    & skf18("4","4","8","5","10","9","1") = "9"
    & skf18("4","4","8","5","10","10","1") = "9"
    & skf18("4","4","8","6","1","1","1") = "7"
    & skf18("4","4","8","6","1","2","1") = "7"
    & skf18("4","4","8","6","1","3","1") = "7"
    & skf18("4","4","8","6","1","4","1") = "7"
    & skf18("4","4","8","6","1","5","1") = "7"
    & skf18("4","4","8","6","1","6","1") = "7"
    & skf18("4","4","8","6","1","7","1") = "7"
    & skf18("4","4","8","6","1","8","1") = "7"
    & skf18("4","4","8","6","1","9","1") = "8"
    & skf18("4","4","8","6","1","10","1") = "9"
    & skf18("4","4","8","6","2","1","1") = "7"
    & skf18("4","4","8","6","2","2","1") = "7"
    & skf18("4","4","8","6","2","3","1") = "7"
    & skf18("4","4","8","6","2","4","1") = "7"
    & skf18("4","4","8","6","2","5","1") = "7"
    & skf18("4","4","8","6","2","6","1") = "7"
    & skf18("4","4","8","6","2","7","1") = "7"
    & skf18("4","4","8","6","2","8","1") = "7"
    & skf18("4","4","8","6","2","9","1") = "8"
    & skf18("4","4","8","6","2","10","1") = "9"
    & skf18("4","4","8","6","3","1","1") = "7"
    & skf18("4","4","8","6","3","2","1") = "7"
    & skf18("4","4","8","6","3","3","1") = "7"
    & skf18("4","4","8","6","3","4","1") = "7"
    & skf18("4","4","8","6","3","5","1") = "7"
    & skf18("4","4","8","6","3","6","1") = "7"
    & skf18("4","4","8","6","3","7","1") = "7"
    & skf18("4","4","8","6","3","8","1") = "7"
    & skf18("4","4","8","6","3","9","1") = "8"
    & skf18("4","4","8","6","3","10","1") = "9"
    & skf18("4","4","8","6","4","1","1") = "7"
    & skf18("4","4","8","6","4","2","1") = "7"
    & skf18("4","4","8","6","4","3","1") = "7"
    & skf18("4","4","8","6","4","4","1") = "7"
    & skf18("4","4","8","6","4","5","1") = "7"
    & skf18("4","4","8","6","4","6","1") = "7"
    & skf18("4","4","8","6","4","7","1") = "7"
    & skf18("4","4","8","6","4","8","1") = "7"
    & skf18("4","4","8","6","4","9","1") = "8"
    & skf18("4","4","8","6","4","10","1") = "9"
    & skf18("4","4","8","6","5","1","1") = "7"
    & skf18("4","4","8","6","5","2","1") = "7"
    & skf18("4","4","8","6","5","3","1") = "7"
    & skf18("4","4","8","6","5","4","1") = "7"
    & skf18("4","4","8","6","5","5","1") = "7"
    & skf18("4","4","8","6","5","6","1") = "7"
    & skf18("4","4","8","6","5","7","1") = "7"
    & skf18("4","4","8","6","5","8","1") = "7"
    & skf18("4","4","8","6","5","9","1") = "8"
    & skf18("4","4","8","6","5","10","1") = "9"
    & skf18("4","4","8","6","6","1","1") = "7"
    & skf18("4","4","8","6","6","2","1") = "7"
    & skf18("4","4","8","6","6","3","1") = "7"
    & skf18("4","4","8","6","6","4","1") = "7"
    & skf18("4","4","8","6","6","5","1") = "7"
    & skf18("4","4","8","6","6","6","1") = "7"
    & skf18("4","4","8","6","6","7","1") = "7"
    & skf18("4","4","8","6","6","8","1") = "7"
    & skf18("4","4","8","6","6","9","1") = "8"
    & skf18("4","4","8","6","6","10","1") = "9"
    & skf18("4","4","8","6","7","1","1") = "7"
    & skf18("4","4","8","6","7","2","1") = "7"
    & skf18("4","4","8","6","7","3","1") = "7"
    & skf18("4","4","8","6","7","4","1") = "7"
    & skf18("4","4","8","6","7","5","1") = "7"
    & skf18("4","4","8","6","7","6","1") = "7"
    & skf18("4","4","8","6","7","7","1") = "7"
    & skf18("4","4","8","6","7","8","1") = "7"
    & skf18("4","4","8","6","7","9","1") = "8"
    & skf18("4","4","8","6","7","10","1") = "9"
    & skf18("4","4","8","6","8","1","1") = "7"
    & skf18("4","4","8","6","8","2","1") = "7"
    & skf18("4","4","8","6","8","3","1") = "7"
    & skf18("4","4","8","6","8","4","1") = "7"
    & skf18("4","4","8","6","8","5","1") = "7"
    & skf18("4","4","8","6","8","6","1") = "7"
    & skf18("4","4","8","6","8","7","1") = "7"
    & skf18("4","4","8","6","8","8","1") = "7"
    & skf18("4","4","8","6","8","9","1") = "8"
    & skf18("4","4","8","6","8","10","1") = "9"
    & skf18("4","4","8","6","9","1","1") = "8"
    & skf18("4","4","8","6","9","2","1") = "8"
    & skf18("4","4","8","6","9","3","1") = "8"
    & skf18("4","4","8","6","9","4","1") = "8"
    & skf18("4","4","8","6","9","5","1") = "8"
    & skf18("4","4","8","6","9","6","1") = "8"
    & skf18("4","4","8","6","9","7","1") = "8"
    & skf18("4","4","8","6","9","8","1") = "8"
    & skf18("4","4","8","6","9","9","1") = "8"
    & skf18("4","4","8","6","9","10","1") = "9"
    & skf18("4","4","8","6","10","1","1") = "9"
    & skf18("4","4","8","6","10","2","1") = "9"
    & skf18("4","4","8","6","10","3","1") = "9"
    & skf18("4","4","8","6","10","4","1") = "9"
    & skf18("4","4","8","6","10","5","1") = "9"
    & skf18("4","4","8","6","10","6","1") = "9"
    & skf18("4","4","8","6","10","7","1") = "9"
    & skf18("4","4","8","6","10","8","1") = "9"
    & skf18("4","4","8","6","10","9","1") = "9"
    & skf18("4","4","8","6","10","10","1") = "9"
    & skf18("4","4","8","7","1","1","1") = "7"
    & skf18("4","4","8","7","1","2","1") = "7"
    & skf18("4","4","8","7","1","3","1") = "7"
    & skf18("4","4","8","7","1","4","1") = "7"
    & skf18("4","4","8","7","1","5","1") = "7"
    & skf18("4","4","8","7","1","6","1") = "7"
    & skf18("4","4","8","7","1","7","1") = "7"
    & skf18("4","4","8","7","1","8","1") = "7"
    & skf18("4","4","8","7","1","9","1") = "8"
    & skf18("4","4","8","7","1","10","1") = "9"
    & skf18("4","4","8","7","2","1","1") = "7"
    & skf18("4","4","8","7","2","2","1") = "7"
    & skf18("4","4","8","7","2","3","1") = "7"
    & skf18("4","4","8","7","2","4","1") = "7"
    & skf18("4","4","8","7","2","5","1") = "7"
    & skf18("4","4","8","7","2","6","1") = "7"
    & skf18("4","4","8","7","2","7","1") = "7"
    & skf18("4","4","8","7","2","8","1") = "7"
    & skf18("4","4","8","7","2","9","1") = "8"
    & skf18("4","4","8","7","2","10","1") = "9"
    & skf18("4","4","8","7","3","1","1") = "7"
    & skf18("4","4","8","7","3","2","1") = "7"
    & skf18("4","4","8","7","3","3","1") = "7"
    & skf18("4","4","8","7","3","4","1") = "7"
    & skf18("4","4","8","7","3","5","1") = "7"
    & skf18("4","4","8","7","3","6","1") = "7"
    & skf18("4","4","8","7","3","7","1") = "7"
    & skf18("4","4","8","7","3","8","1") = "7"
    & skf18("4","4","8","7","3","9","1") = "8"
    & skf18("4","4","8","7","3","10","1") = "9"
    & skf18("4","4","8","7","4","1","1") = "7"
    & skf18("4","4","8","7","4","2","1") = "7"
    & skf18("4","4","8","7","4","3","1") = "7"
    & skf18("4","4","8","7","4","4","1") = "7"
    & skf18("4","4","8","7","4","5","1") = "7"
    & skf18("4","4","8","7","4","6","1") = "7"
    & skf18("4","4","8","7","4","7","1") = "7"
    & skf18("4","4","8","7","4","8","1") = "7"
    & skf18("4","4","8","7","4","9","1") = "8"
    & skf18("4","4","8","7","4","10","1") = "9"
    & skf18("4","4","8","7","5","1","1") = "7"
    & skf18("4","4","8","7","5","2","1") = "7"
    & skf18("4","4","8","7","5","3","1") = "7"
    & skf18("4","4","8","7","5","4","1") = "7"
    & skf18("4","4","8","7","5","5","1") = "7"
    & skf18("4","4","8","7","5","6","1") = "7"
    & skf18("4","4","8","7","5","7","1") = "7"
    & skf18("4","4","8","7","5","8","1") = "7"
    & skf18("4","4","8","7","5","9","1") = "8"
    & skf18("4","4","8","7","5","10","1") = "9"
    & skf18("4","4","8","7","6","1","1") = "7"
    & skf18("4","4","8","7","6","2","1") = "7"
    & skf18("4","4","8","7","6","3","1") = "7"
    & skf18("4","4","8","7","6","4","1") = "7"
    & skf18("4","4","8","7","6","5","1") = "7"
    & skf18("4","4","8","7","6","6","1") = "7"
    & skf18("4","4","8","7","6","7","1") = "7"
    & skf18("4","4","8","7","6","8","1") = "7"
    & skf18("4","4","8","7","6","9","1") = "8"
    & skf18("4","4","8","7","6","10","1") = "9"
    & skf18("4","4","8","7","7","1","1") = "7"
    & skf18("4","4","8","7","7","2","1") = "7"
    & skf18("4","4","8","7","7","3","1") = "7"
    & skf18("4","4","8","7","7","4","1") = "7"
    & skf18("4","4","8","7","7","5","1") = "7"
    & skf18("4","4","8","7","7","6","1") = "7"
    & skf18("4","4","8","7","7","7","1") = "7"
    & skf18("4","4","8","7","7","8","1") = "7"
    & skf18("4","4","8","7","7","9","1") = "8"
    & skf18("4","4","8","7","7","10","1") = "9"
    & skf18("4","4","8","7","8","1","1") = "7"
    & skf18("4","4","8","7","8","2","1") = "7"
    & skf18("4","4","8","7","8","3","1") = "7"
    & skf18("4","4","8","7","8","4","1") = "7"
    & skf18("4","4","8","7","8","5","1") = "7"
    & skf18("4","4","8","7","8","6","1") = "7"
    & skf18("4","4","8","7","8","7","1") = "7"
    & skf18("4","4","8","7","8","8","1") = "7"
    & skf18("4","4","8","7","8","9","1") = "8"
    & skf18("4","4","8","7","8","10","1") = "9"
    & skf18("4","4","8","7","9","1","1") = "8"
    & skf18("4","4","8","7","9","2","1") = "8"
    & skf18("4","4","8","7","9","3","1") = "8"
    & skf18("4","4","8","7","9","4","1") = "8"
    & skf18("4","4","8","7","9","5","1") = "8"
    & skf18("4","4","8","7","9","6","1") = "8"
    & skf18("4","4","8","7","9","7","1") = "8"
    & skf18("4","4","8","7","9","8","1") = "8"
    & skf18("4","4","8","7","9","9","1") = "8"
    & skf18("4","4","8","7","9","10","1") = "9"
    & skf18("4","4","8","7","10","1","1") = "9"
    & skf18("4","4","8","7","10","2","1") = "9"
    & skf18("4","4","8","7","10","3","1") = "9"
    & skf18("4","4","8","7","10","4","1") = "9"
    & skf18("4","4","8","7","10","5","1") = "9"
    & skf18("4","4","8","7","10","6","1") = "9"
    & skf18("4","4","8","7","10","7","1") = "9"
    & skf18("4","4","8","7","10","8","1") = "9"
    & skf18("4","4","8","7","10","9","1") = "9"
    & skf18("4","4","8","7","10","10","1") = "9"
    & skf18("4","4","8","8","1","1","1") = "7"
    & skf18("4","4","8","8","1","2","1") = "7"
    & skf18("4","4","8","8","1","3","1") = "7"
    & skf18("4","4","8","8","1","4","1") = "7"
    & skf18("4","4","8","8","1","5","1") = "7"
    & skf18("4","4","8","8","1","6","1") = "7"
    & skf18("4","4","8","8","1","7","1") = "7"
    & skf18("4","4","8","8","1","8","1") = "7"
    & skf18("4","4","8","8","1","9","1") = "8"
    & skf18("4","4","8","8","1","10","1") = "9"
    & skf18("4","4","8","8","2","1","1") = "7"
    & skf18("4","4","8","8","2","2","1") = "7"
    & skf18("4","4","8","8","2","3","1") = "7"
    & skf18("4","4","8","8","2","4","1") = "7"
    & skf18("4","4","8","8","2","5","1") = "7"
    & skf18("4","4","8","8","2","6","1") = "7"
    & skf18("4","4","8","8","2","7","1") = "7"
    & skf18("4","4","8","8","2","8","1") = "7"
    & skf18("4","4","8","8","2","9","1") = "8"
    & skf18("4","4","8","8","2","10","1") = "9"
    & skf18("4","4","8","8","3","1","1") = "7"
    & skf18("4","4","8","8","3","2","1") = "7"
    & skf18("4","4","8","8","3","3","1") = "7"
    & skf18("4","4","8","8","3","4","1") = "7"
    & skf18("4","4","8","8","3","5","1") = "7"
    & skf18("4","4","8","8","3","6","1") = "7"
    & skf18("4","4","8","8","3","7","1") = "7"
    & skf18("4","4","8","8","3","8","1") = "7"
    & skf18("4","4","8","8","3","9","1") = "8"
    & skf18("4","4","8","8","3","10","1") = "9"
    & skf18("4","4","8","8","4","1","1") = "7"
    & skf18("4","4","8","8","4","2","1") = "7"
    & skf18("4","4","8","8","4","3","1") = "7"
    & skf18("4","4","8","8","4","4","1") = "7"
    & skf18("4","4","8","8","4","5","1") = "7"
    & skf18("4","4","8","8","4","6","1") = "7"
    & skf18("4","4","8","8","4","7","1") = "7"
    & skf18("4","4","8","8","4","8","1") = "7"
    & skf18("4","4","8","8","4","9","1") = "8"
    & skf18("4","4","8","8","4","10","1") = "9"
    & skf18("4","4","8","8","5","1","1") = "7"
    & skf18("4","4","8","8","5","2","1") = "7"
    & skf18("4","4","8","8","5","3","1") = "7"
    & skf18("4","4","8","8","5","4","1") = "7"
    & skf18("4","4","8","8","5","5","1") = "7"
    & skf18("4","4","8","8","5","6","1") = "7"
    & skf18("4","4","8","8","5","7","1") = "7"
    & skf18("4","4","8","8","5","8","1") = "7"
    & skf18("4","4","8","8","5","9","1") = "8"
    & skf18("4","4","8","8","5","10","1") = "9"
    & skf18("4","4","8","8","6","1","1") = "7"
    & skf18("4","4","8","8","6","2","1") = "7"
    & skf18("4","4","8","8","6","3","1") = "7"
    & skf18("4","4","8","8","6","4","1") = "7"
    & skf18("4","4","8","8","6","5","1") = "7"
    & skf18("4","4","8","8","6","6","1") = "7"
    & skf18("4","4","8","8","6","7","1") = "7"
    & skf18("4","4","8","8","6","8","1") = "7"
    & skf18("4","4","8","8","6","9","1") = "8"
    & skf18("4","4","8","8","6","10","1") = "9"
    & skf18("4","4","8","8","7","1","1") = "7"
    & skf18("4","4","8","8","7","2","1") = "7"
    & skf18("4","4","8","8","7","3","1") = "7"
    & skf18("4","4","8","8","7","4","1") = "7"
    & skf18("4","4","8","8","7","5","1") = "7"
    & skf18("4","4","8","8","7","6","1") = "7"
    & skf18("4","4","8","8","7","7","1") = "7"
    & skf18("4","4","8","8","7","8","1") = "7"
    & skf18("4","4","8","8","7","9","1") = "8"
    & skf18("4","4","8","8","7","10","1") = "9"
    & skf18("4","4","8","8","8","1","1") = "7"
    & skf18("4","4","8","8","8","2","1") = "7"
    & skf18("4","4","8","8","8","3","1") = "7"
    & skf18("4","4","8","8","8","4","1") = "7"
    & skf18("4","4","8","8","8","5","1") = "7"
    & skf18("4","4","8","8","8","6","1") = "7"
    & skf18("4","4","8","8","8","7","1") = "7"
    & skf18("4","4","8","8","8","8","1") = "7"
    & skf18("4","4","8","8","8","9","1") = "8"
    & skf18("4","4","8","8","8","10","1") = "9"
    & skf18("4","4","8","8","9","1","1") = "8"
    & skf18("4","4","8","8","9","2","1") = "8"
    & skf18("4","4","8","8","9","3","1") = "8"
    & skf18("4","4","8","8","9","4","1") = "8"
    & skf18("4","4","8","8","9","5","1") = "8"
    & skf18("4","4","8","8","9","6","1") = "8"
    & skf18("4","4","8","8","9","7","1") = "8"
    & skf18("4","4","8","8","9","8","1") = "8"
    & skf18("4","4","8","8","9","9","1") = "8"
    & skf18("4","4","8","8","9","10","1") = "9"
    & skf18("4","4","8","8","10","1","1") = "9"
    & skf18("4","4","8","8","10","2","1") = "9"
    & skf18("4","4","8","8","10","3","1") = "9"
    & skf18("4","4","8","8","10","4","1") = "9"
    & skf18("4","4","8","8","10","5","1") = "9"
    & skf18("4","4","8","8","10","6","1") = "9"
    & skf18("4","4","8","8","10","7","1") = "9"
    & skf18("4","4","8","8","10","8","1") = "9"
    & skf18("4","4","8","8","10","9","1") = "9"
    & skf18("4","4","8","8","10","10","1") = "9"
    & skf18("4","4","8","9","1","1","1") = "8"
    & skf18("4","4","8","9","1","2","1") = "8"
    & skf18("4","4","8","9","1","3","1") = "8"
    & skf18("4","4","8","9","1","4","1") = "8"
    & skf18("4","4","8","9","1","5","1") = "8"
    & skf18("4","4","8","9","1","6","1") = "8"
    & skf18("4","4","8","9","1","7","1") = "8"
    & skf18("4","4","8","9","1","8","1") = "8"
    & skf18("4","4","8","9","1","9","1") = "8"
    & skf18("4","4","8","9","1","10","1") = "9"
    & skf18("4","4","8","9","2","1","1") = "8"
    & skf18("4","4","8","9","2","2","1") = "8"
    & skf18("4","4","8","9","2","3","1") = "8"
    & skf18("4","4","8","9","2","4","1") = "8"
    & skf18("4","4","8","9","2","5","1") = "8"
    & skf18("4","4","8","9","2","6","1") = "8"
    & skf18("4","4","8","9","2","7","1") = "8"
    & skf18("4","4","8","9","2","8","1") = "8"
    & skf18("4","4","8","9","2","9","1") = "8"
    & skf18("4","4","8","9","2","10","1") = "9"
    & skf18("4","4","8","9","3","1","1") = "8"
    & skf18("4","4","8","9","3","2","1") = "8"
    & skf18("4","4","8","9","3","3","1") = "8"
    & skf18("4","4","8","9","3","4","1") = "8"
    & skf18("4","4","8","9","3","5","1") = "8"
    & skf18("4","4","8","9","3","6","1") = "8"
    & skf18("4","4","8","9","3","7","1") = "8"
    & skf18("4","4","8","9","3","8","1") = "8"
    & skf18("4","4","8","9","3","9","1") = "8"
    & skf18("4","4","8","9","3","10","1") = "9"
    & skf18("4","4","8","9","4","1","1") = "8"
    & skf18("4","4","8","9","4","2","1") = "8"
    & skf18("4","4","8","9","4","3","1") = "8"
    & skf18("4","4","8","9","4","4","1") = "8"
    & skf18("4","4","8","9","4","5","1") = "8"
    & skf18("4","4","8","9","4","6","1") = "8"
    & skf18("4","4","8","9","4","7","1") = "8"
    & skf18("4","4","8","9","4","8","1") = "8"
    & skf18("4","4","8","9","4","9","1") = "8"
    & skf18("4","4","8","9","4","10","1") = "9"
    & skf18("4","4","8","9","5","1","1") = "8"
    & skf18("4","4","8","9","5","2","1") = "8"
    & skf18("4","4","8","9","5","3","1") = "8"
    & skf18("4","4","8","9","5","4","1") = "8"
    & skf18("4","4","8","9","5","5","1") = "8"
    & skf18("4","4","8","9","5","6","1") = "8"
    & skf18("4","4","8","9","5","7","1") = "8"
    & skf18("4","4","8","9","5","8","1") = "8"
    & skf18("4","4","8","9","5","9","1") = "8"
    & skf18("4","4","8","9","5","10","1") = "9"
    & skf18("4","4","8","9","6","1","1") = "8"
    & skf18("4","4","8","9","6","2","1") = "8"
    & skf18("4","4","8","9","6","3","1") = "8"
    & skf18("4","4","8","9","6","4","1") = "8"
    & skf18("4","4","8","9","6","5","1") = "8"
    & skf18("4","4","8","9","6","6","1") = "8"
    & skf18("4","4","8","9","6","7","1") = "8"
    & skf18("4","4","8","9","6","8","1") = "8"
    & skf18("4","4","8","9","6","9","1") = "8"
    & skf18("4","4","8","9","6","10","1") = "9"
    & skf18("4","4","8","9","7","1","1") = "8"
    & skf18("4","4","8","9","7","2","1") = "8"
    & skf18("4","4","8","9","7","3","1") = "8"
    & skf18("4","4","8","9","7","4","1") = "8"
    & skf18("4","4","8","9","7","5","1") = "8"
    & skf18("4","4","8","9","7","6","1") = "8"
    & skf18("4","4","8","9","7","7","1") = "8"
    & skf18("4","4","8","9","7","8","1") = "8"
    & skf18("4","4","8","9","7","9","1") = "8"
    & skf18("4","4","8","9","7","10","1") = "9"
    & skf18("4","4","8","9","8","1","1") = "8"
    & skf18("4","4","8","9","8","2","1") = "8"
    & skf18("4","4","8","9","8","3","1") = "8"
    & skf18("4","4","8","9","8","4","1") = "8"
    & skf18("4","4","8","9","8","5","1") = "8"
    & skf18("4","4","8","9","8","6","1") = "8"
    & skf18("4","4","8","9","8","7","1") = "8"
    & skf18("4","4","8","9","8","8","1") = "8"
    & skf18("4","4","8","9","8","9","1") = "8"
    & skf18("4","4","8","9","8","10","1") = "9"
    & skf18("4","4","8","9","9","1","1") = "8"
    & skf18("4","4","8","9","9","2","1") = "8"
    & skf18("4","4","8","9","9","3","1") = "8"
    & skf18("4","4","8","9","9","4","1") = "8"
    & skf18("4","4","8","9","9","5","1") = "8"
    & skf18("4","4","8","9","9","6","1") = "8"
    & skf18("4","4","8","9","9","7","1") = "8"
    & skf18("4","4","8","9","9","8","1") = "8"
    & skf18("4","4","8","9","9","9","1") = "8"
    & skf18("4","4","8","9","9","10","1") = "9"
    & skf18("4","4","8","9","10","1","1") = "9"
    & skf18("4","4","8","9","10","2","1") = "9"
    & skf18("4","4","8","9","10","3","1") = "9"
    & skf18("4","4","8","9","10","4","1") = "9"
    & skf18("4","4","8","9","10","5","1") = "9"
    & skf18("4","4","8","9","10","6","1") = "9"
    & skf18("4","4","8","9","10","7","1") = "9"
    & skf18("4","4","8","9","10","8","1") = "9"
    & skf18("4","4","8","9","10","9","1") = "9"
    & skf18("4","4","8","9","10","10","1") = "9"
    & skf18("4","4","8","10","1","1","1") = "9"
    & skf18("4","4","8","10","1","2","1") = "9"
    & skf18("4","4","8","10","1","3","1") = "9"
    & skf18("4","4","8","10","1","4","1") = "9"
    & skf18("4","4","8","10","1","5","1") = "9"
    & skf18("4","4","8","10","1","6","1") = "9"
    & skf18("4","4","8","10","1","7","1") = "9"
    & skf18("4","4","8","10","1","8","1") = "9"
    & skf18("4","4","8","10","1","9","1") = "9"
    & skf18("4","4","8","10","1","10","1") = "9"
    & skf18("4","4","8","10","2","1","1") = "9"
    & skf18("4","4","8","10","2","2","1") = "9"
    & skf18("4","4","8","10","2","3","1") = "9"
    & skf18("4","4","8","10","2","4","1") = "9"
    & skf18("4","4","8","10","2","5","1") = "9"
    & skf18("4","4","8","10","2","6","1") = "9"
    & skf18("4","4","8","10","2","7","1") = "9"
    & skf18("4","4","8","10","2","8","1") = "9"
    & skf18("4","4","8","10","2","9","1") = "9"
    & skf18("4","4","8","10","2","10","1") = "9"
    & skf18("4","4","8","10","3","1","1") = "9"
    & skf18("4","4","8","10","3","2","1") = "9"
    & skf18("4","4","8","10","3","3","1") = "9"
    & skf18("4","4","8","10","3","4","1") = "9"
    & skf18("4","4","8","10","3","5","1") = "9"
    & skf18("4","4","8","10","3","6","1") = "9"
    & skf18("4","4","8","10","3","7","1") = "9"
    & skf18("4","4","8","10","3","8","1") = "9"
    & skf18("4","4","8","10","3","9","1") = "9"
    & skf18("4","4","8","10","3","10","1") = "9"
    & skf18("4","4","8","10","4","1","1") = "9"
    & skf18("4","4","8","10","4","2","1") = "9"
    & skf18("4","4","8","10","4","3","1") = "9"
    & skf18("4","4","8","10","4","4","1") = "9"
    & skf18("4","4","8","10","4","5","1") = "9"
    & skf18("4","4","8","10","4","6","1") = "9"
    & skf18("4","4","8","10","4","7","1") = "9"
    & skf18("4","4","8","10","4","8","1") = "9"
    & skf18("4","4","8","10","4","9","1") = "9"
    & skf18("4","4","8","10","4","10","1") = "9"
    & skf18("4","4","8","10","5","1","1") = "9"
    & skf18("4","4","8","10","5","2","1") = "9"
    & skf18("4","4","8","10","5","3","1") = "9"
    & skf18("4","4","8","10","5","4","1") = "9"
    & skf18("4","4","8","10","5","5","1") = "9"
    & skf18("4","4","8","10","5","6","1") = "9"
    & skf18("4","4","8","10","5","7","1") = "9"
    & skf18("4","4","8","10","5","8","1") = "9"
    & skf18("4","4","8","10","5","9","1") = "9"
    & skf18("4","4","8","10","5","10","1") = "9"
    & skf18("4","4","8","10","6","1","1") = "9"
    & skf18("4","4","8","10","6","2","1") = "9"
    & skf18("4","4","8","10","6","3","1") = "9"
    & skf18("4","4","8","10","6","4","1") = "9"
    & skf18("4","4","8","10","6","5","1") = "9"
    & skf18("4","4","8","10","6","6","1") = "9"
    & skf18("4","4","8","10","6","7","1") = "9"
    & skf18("4","4","8","10","6","8","1") = "9"
    & skf18("4","4","8","10","6","9","1") = "9"
    & skf18("4","4","8","10","6","10","1") = "9"
    & skf18("4","4","8","10","7","1","1") = "9"
    & skf18("4","4","8","10","7","2","1") = "9"
    & skf18("4","4","8","10","7","3","1") = "9"
    & skf18("4","4","8","10","7","4","1") = "9"
    & skf18("4","4","8","10","7","5","1") = "9"
    & skf18("4","4","8","10","7","6","1") = "9"
    & skf18("4","4","8","10","7","7","1") = "9"
    & skf18("4","4","8","10","7","8","1") = "9"
    & skf18("4","4","8","10","7","9","1") = "9"
    & skf18("4","4","8","10","7","10","1") = "9"
    & skf18("4","4","8","10","8","1","1") = "9"
    & skf18("4","4","8","10","8","2","1") = "9"
    & skf18("4","4","8","10","8","3","1") = "9"
    & skf18("4","4","8","10","8","4","1") = "9"
    & skf18("4","4","8","10","8","5","1") = "9"
    & skf18("4","4","8","10","8","6","1") = "9"
    & skf18("4","4","8","10","8","7","1") = "9"
    & skf18("4","4","8","10","8","8","1") = "9"
    & skf18("4","4","8","10","8","9","1") = "9"
    & skf18("4","4","8","10","8","10","1") = "9"
    & skf18("4","4","8","10","9","1","1") = "9"
    & skf18("4","4","8","10","9","2","1") = "9"
    & skf18("4","4","8","10","9","3","1") = "9"
    & skf18("4","4","8","10","9","4","1") = "9"
    & skf18("4","4","8","10","9","5","1") = "9"
    & skf18("4","4","8","10","9","6","1") = "9"
    & skf18("4","4","8","10","9","7","1") = "9"
    & skf18("4","4","8","10","9","8","1") = "9"
    & skf18("4","4","8","10","9","9","1") = "9"
    & skf18("4","4","8","10","9","10","1") = "9"
    & skf18("4","4","8","10","10","1","1") = "9"
    & skf18("4","4","8","10","10","2","1") = "9"
    & skf18("4","4","8","10","10","3","1") = "9"
    & skf18("4","4","8","10","10","4","1") = "9"
    & skf18("4","4","8","10","10","5","1") = "9"
    & skf18("4","4","8","10","10","6","1") = "9"
    & skf18("4","4","8","10","10","7","1") = "9"
    & skf18("4","4","8","10","10","8","1") = "9"
    & skf18("4","4","8","10","10","9","1") = "9"
    & skf18("4","4","8","10","10","10","1") = "9"
    & skf18("4","4","9","1","1","1","1") = "8"
    & skf18("4","4","9","1","1","2","1") = "8"
    & skf18("4","4","9","1","1","3","1") = "8"
    & skf18("4","4","9","1","1","4","1") = "8"
    & skf18("4","4","9","1","1","5","1") = "8"
    & skf18("4","4","9","1","1","6","1") = "8"
    & skf18("4","4","9","1","1","7","1") = "8"
    & skf18("4","4","9","1","1","8","1") = "8"
    & skf18("4","4","9","1","1","9","1") = "8"
    & skf18("4","4","9","1","1","10","1") = "9"
    & skf18("4","4","9","1","2","1","1") = "8"
    & skf18("4","4","9","1","2","2","1") = "8"
    & skf18("4","4","9","1","2","3","1") = "8"
    & skf18("4","4","9","1","2","4","1") = "8"
    & skf18("4","4","9","1","2","5","1") = "8"
    & skf18("4","4","9","1","2","6","1") = "8"
    & skf18("4","4","9","1","2","7","1") = "8"
    & skf18("4","4","9","1","2","8","1") = "8"
    & skf18("4","4","9","1","2","9","1") = "8"
    & skf18("4","4","9","1","2","10","1") = "9"
    & skf18("4","4","9","1","3","1","1") = "8"
    & skf18("4","4","9","1","3","2","1") = "8"
    & skf18("4","4","9","1","3","3","1") = "8"
    & skf18("4","4","9","1","3","4","1") = "8"
    & skf18("4","4","9","1","3","5","1") = "8"
    & skf18("4","4","9","1","3","6","1") = "8"
    & skf18("4","4","9","1","3","7","1") = "8"
    & skf18("4","4","9","1","3","8","1") = "8"
    & skf18("4","4","9","1","3","9","1") = "8"
    & skf18("4","4","9","1","3","10","1") = "9"
    & skf18("4","4","9","1","4","1","1") = "8"
    & skf18("4","4","9","1","4","2","1") = "8"
    & skf18("4","4","9","1","4","3","1") = "8"
    & skf18("4","4","9","1","4","4","1") = "8"
    & skf18("4","4","9","1","4","5","1") = "8"
    & skf18("4","4","9","1","4","6","1") = "8"
    & skf18("4","4","9","1","4","7","1") = "8"
    & skf18("4","4","9","1","4","8","1") = "8"
    & skf18("4","4","9","1","4","9","1") = "8"
    & skf18("4","4","9","1","4","10","1") = "9"
    & skf18("4","4","9","1","5","1","1") = "8"
    & skf18("4","4","9","1","5","2","1") = "8"
    & skf18("4","4","9","1","5","3","1") = "8"
    & skf18("4","4","9","1","5","4","1") = "8"
    & skf18("4","4","9","1","5","5","1") = "8"
    & skf18("4","4","9","1","5","6","1") = "8"
    & skf18("4","4","9","1","5","7","1") = "8"
    & skf18("4","4","9","1","5","8","1") = "8"
    & skf18("4","4","9","1","5","9","1") = "8"
    & skf18("4","4","9","1","5","10","1") = "9"
    & skf18("4","4","9","1","6","1","1") = "8"
    & skf18("4","4","9","1","6","2","1") = "8"
    & skf18("4","4","9","1","6","3","1") = "8"
    & skf18("4","4","9","1","6","4","1") = "8"
    & skf18("4","4","9","1","6","5","1") = "8"
    & skf18("4","4","9","1","6","6","1") = "8"
    & skf18("4","4","9","1","6","7","1") = "8"
    & skf18("4","4","9","1","6","8","1") = "8"
    & skf18("4","4","9","1","6","9","1") = "8"
    & skf18("4","4","9","1","6","10","1") = "9"
    & skf18("4","4","9","1","7","1","1") = "8"
    & skf18("4","4","9","1","7","2","1") = "8"
    & skf18("4","4","9","1","7","3","1") = "8"
    & skf18("4","4","9","1","7","4","1") = "8"
    & skf18("4","4","9","1","7","5","1") = "8"
    & skf18("4","4","9","1","7","6","1") = "8"
    & skf18("4","4","9","1","7","7","1") = "8"
    & skf18("4","4","9","1","7","8","1") = "8"
    & skf18("4","4","9","1","7","9","1") = "8"
    & skf18("4","4","9","1","7","10","1") = "9"
    & skf18("4","4","9","1","8","1","1") = "8"
    & skf18("4","4","9","1","8","2","1") = "8"
    & skf18("4","4","9","1","8","3","1") = "8"
    & skf18("4","4","9","1","8","4","1") = "8"
    & skf18("4","4","9","1","8","5","1") = "8"
    & skf18("4","4","9","1","8","6","1") = "8"
    & skf18("4","4","9","1","8","7","1") = "8"
    & skf18("4","4","9","1","8","8","1") = "8"
    & skf18("4","4","9","1","8","9","1") = "8"
    & skf18("4","4","9","1","8","10","1") = "9"
    & skf18("4","4","9","1","9","1","1") = "8"
    & skf18("4","4","9","1","9","2","1") = "8"
    & skf18("4","4","9","1","9","3","1") = "8"
    & skf18("4","4","9","1","9","4","1") = "8"
    & skf18("4","4","9","1","9","5","1") = "8"
    & skf18("4","4","9","1","9","6","1") = "8"
    & skf18("4","4","9","1","9","7","1") = "8"
    & skf18("4","4","9","1","9","8","1") = "8"
    & skf18("4","4","9","1","9","9","1") = "8"
    & skf18("4","4","9","1","9","10","1") = "9"
    & skf18("4","4","9","1","10","1","1") = "9"
    & skf18("4","4","9","1","10","2","1") = "9"
    & skf18("4","4","9","1","10","3","1") = "9"
    & skf18("4","4","9","1","10","4","1") = "9"
    & skf18("4","4","9","1","10","5","1") = "9"
    & skf18("4","4","9","1","10","6","1") = "9"
    & skf18("4","4","9","1","10","7","1") = "9"
    & skf18("4","4","9","1","10","8","1") = "9"
    & skf18("4","4","9","1","10","9","1") = "9"
    & skf18("4","4","9","1","10","10","1") = "9"
    & skf18("4","4","9","2","1","1","1") = "8"
    & skf18("4","4","9","2","1","2","1") = "8"
    & skf18("4","4","9","2","1","3","1") = "8"
    & skf18("4","4","9","2","1","4","1") = "8"
    & skf18("4","4","9","2","1","5","1") = "8"
    & skf18("4","4","9","2","1","6","1") = "8"
    & skf18("4","4","9","2","1","7","1") = "8"
    & skf18("4","4","9","2","1","8","1") = "8"
    & skf18("4","4","9","2","1","9","1") = "8"
    & skf18("4","4","9","2","1","10","1") = "9"
    & skf18("4","4","9","2","2","1","1") = "8"
    & skf18("4","4","9","2","2","2","1") = "8"
    & skf18("4","4","9","2","2","3","1") = "8"
    & skf18("4","4","9","2","2","4","1") = "8"
    & skf18("4","4","9","2","2","5","1") = "8"
    & skf18("4","4","9","2","2","6","1") = "8"
    & skf18("4","4","9","2","2","7","1") = "8"
    & skf18("4","4","9","2","2","8","1") = "8"
    & skf18("4","4","9","2","2","9","1") = "8"
    & skf18("4","4","9","2","2","10","1") = "9"
    & skf18("4","4","9","2","3","1","1") = "8"
    & skf18("4","4","9","2","3","2","1") = "8"
    & skf18("4","4","9","2","3","3","1") = "8"
    & skf18("4","4","9","2","3","4","1") = "8"
    & skf18("4","4","9","2","3","5","1") = "8"
    & skf18("4","4","9","2","3","6","1") = "8"
    & skf18("4","4","9","2","3","7","1") = "8"
    & skf18("4","4","9","2","3","8","1") = "8"
    & skf18("4","4","9","2","3","9","1") = "8"
    & skf18("4","4","9","2","3","10","1") = "9"
    & skf18("4","4","9","2","4","1","1") = "8"
    & skf18("4","4","9","2","4","2","1") = "8"
    & skf18("4","4","9","2","4","3","1") = "8"
    & skf18("4","4","9","2","4","4","1") = "8"
    & skf18("4","4","9","2","4","5","1") = "8"
    & skf18("4","4","9","2","4","6","1") = "8"
    & skf18("4","4","9","2","4","7","1") = "8"
    & skf18("4","4","9","2","4","8","1") = "8"
    & skf18("4","4","9","2","4","9","1") = "8"
    & skf18("4","4","9","2","4","10","1") = "9"
    & skf18("4","4","9","2","5","1","1") = "8"
    & skf18("4","4","9","2","5","2","1") = "8"
    & skf18("4","4","9","2","5","3","1") = "8"
    & skf18("4","4","9","2","5","4","1") = "8"
    & skf18("4","4","9","2","5","5","1") = "8"
    & skf18("4","4","9","2","5","6","1") = "8"
    & skf18("4","4","9","2","5","7","1") = "8"
    & skf18("4","4","9","2","5","8","1") = "8"
    & skf18("4","4","9","2","5","9","1") = "8"
    & skf18("4","4","9","2","5","10","1") = "9"
    & skf18("4","4","9","2","6","1","1") = "8"
    & skf18("4","4","9","2","6","2","1") = "8"
    & skf18("4","4","9","2","6","3","1") = "8"
    & skf18("4","4","9","2","6","4","1") = "8"
    & skf18("4","4","9","2","6","5","1") = "8"
    & skf18("4","4","9","2","6","6","1") = "8"
    & skf18("4","4","9","2","6","7","1") = "8"
    & skf18("4","4","9","2","6","8","1") = "8"
    & skf18("4","4","9","2","6","9","1") = "8"
    & skf18("4","4","9","2","6","10","1") = "9"
    & skf18("4","4","9","2","7","1","1") = "8"
    & skf18("4","4","9","2","7","2","1") = "8"
    & skf18("4","4","9","2","7","3","1") = "8"
    & skf18("4","4","9","2","7","4","1") = "8"
    & skf18("4","4","9","2","7","5","1") = "8"
    & skf18("4","4","9","2","7","6","1") = "8"
    & skf18("4","4","9","2","7","7","1") = "8"
    & skf18("4","4","9","2","7","8","1") = "8"
    & skf18("4","4","9","2","7","9","1") = "8"
    & skf18("4","4","9","2","7","10","1") = "9"
    & skf18("4","4","9","2","8","1","1") = "8"
    & skf18("4","4","9","2","8","2","1") = "8"
    & skf18("4","4","9","2","8","3","1") = "8"
    & skf18("4","4","9","2","8","4","1") = "8"
    & skf18("4","4","9","2","8","5","1") = "8"
    & skf18("4","4","9","2","8","6","1") = "8"
    & skf18("4","4","9","2","8","7","1") = "8"
    & skf18("4","4","9","2","8","8","1") = "8"
    & skf18("4","4","9","2","8","9","1") = "8"
    & skf18("4","4","9","2","8","10","1") = "9"
    & skf18("4","4","9","2","9","1","1") = "8"
    & skf18("4","4","9","2","9","2","1") = "8"
    & skf18("4","4","9","2","9","3","1") = "8"
    & skf18("4","4","9","2","9","4","1") = "8"
    & skf18("4","4","9","2","9","5","1") = "8"
    & skf18("4","4","9","2","9","6","1") = "8"
    & skf18("4","4","9","2","9","7","1") = "8"
    & skf18("4","4","9","2","9","8","1") = "8"
    & skf18("4","4","9","2","9","9","1") = "8"
    & skf18("4","4","9","2","9","10","1") = "9"
    & skf18("4","4","9","2","10","1","1") = "9"
    & skf18("4","4","9","2","10","2","1") = "9"
    & skf18("4","4","9","2","10","3","1") = "9"
    & skf18("4","4","9","2","10","4","1") = "9"
    & skf18("4","4","9","2","10","5","1") = "9"
    & skf18("4","4","9","2","10","6","1") = "9"
    & skf18("4","4","9","2","10","7","1") = "9"
    & skf18("4","4","9","2","10","8","1") = "9"
    & skf18("4","4","9","2","10","9","1") = "9"
    & skf18("4","4","9","2","10","10","1") = "9"
    & skf18("4","4","9","3","1","1","1") = "8"
    & skf18("4","4","9","3","1","2","1") = "8"
    & skf18("4","4","9","3","1","3","1") = "8"
    & skf18("4","4","9","3","1","4","1") = "8"
    & skf18("4","4","9","3","1","5","1") = "8"
    & skf18("4","4","9","3","1","6","1") = "8"
    & skf18("4","4","9","3","1","7","1") = "8"
    & skf18("4","4","9","3","1","8","1") = "8"
    & skf18("4","4","9","3","1","9","1") = "8"
    & skf18("4","4","9","3","1","10","1") = "9"
    & skf18("4","4","9","3","2","1","1") = "8"
    & skf18("4","4","9","3","2","2","1") = "8"
    & skf18("4","4","9","3","2","3","1") = "8"
    & skf18("4","4","9","3","2","4","1") = "8"
    & skf18("4","4","9","3","2","5","1") = "8"
    & skf18("4","4","9","3","2","6","1") = "8"
    & skf18("4","4","9","3","2","7","1") = "8"
    & skf18("4","4","9","3","2","8","1") = "8"
    & skf18("4","4","9","3","2","9","1") = "8"
    & skf18("4","4","9","3","2","10","1") = "9"
    & skf18("4","4","9","3","3","1","1") = "8"
    & skf18("4","4","9","3","3","2","1") = "8"
    & skf18("4","4","9","3","3","3","1") = "8"
    & skf18("4","4","9","3","3","4","1") = "8"
    & skf18("4","4","9","3","3","5","1") = "8"
    & skf18("4","4","9","3","3","6","1") = "8"
    & skf18("4","4","9","3","3","7","1") = "8"
    & skf18("4","4","9","3","3","8","1") = "8"
    & skf18("4","4","9","3","3","9","1") = "8"
    & skf18("4","4","9","3","3","10","1") = "9"
    & skf18("4","4","9","3","4","1","1") = "8"
    & skf18("4","4","9","3","4","2","1") = "8"
    & skf18("4","4","9","3","4","3","1") = "8"
    & skf18("4","4","9","3","4","4","1") = "8"
    & skf18("4","4","9","3","4","5","1") = "8"
    & skf18("4","4","9","3","4","6","1") = "8"
    & skf18("4","4","9","3","4","7","1") = "8"
    & skf18("4","4","9","3","4","8","1") = "8"
    & skf18("4","4","9","3","4","9","1") = "8"
    & skf18("4","4","9","3","4","10","1") = "9"
    & skf18("4","4","9","3","5","1","1") = "8"
    & skf18("4","4","9","3","5","2","1") = "8"
    & skf18("4","4","9","3","5","3","1") = "8"
    & skf18("4","4","9","3","5","4","1") = "8"
    & skf18("4","4","9","3","5","5","1") = "8"
    & skf18("4","4","9","3","5","6","1") = "8"
    & skf18("4","4","9","3","5","7","1") = "8"
    & skf18("4","4","9","3","5","8","1") = "8"
    & skf18("4","4","9","3","5","9","1") = "8"
    & skf18("4","4","9","3","5","10","1") = "9"
    & skf18("4","4","9","3","6","1","1") = "8"
    & skf18("4","4","9","3","6","2","1") = "8"
    & skf18("4","4","9","3","6","3","1") = "8"
    & skf18("4","4","9","3","6","4","1") = "8"
    & skf18("4","4","9","3","6","5","1") = "8"
    & skf18("4","4","9","3","6","6","1") = "8"
    & skf18("4","4","9","3","6","7","1") = "8"
    & skf18("4","4","9","3","6","8","1") = "8"
    & skf18("4","4","9","3","6","9","1") = "8"
    & skf18("4","4","9","3","6","10","1") = "9"
    & skf18("4","4","9","3","7","1","1") = "8"
    & skf18("4","4","9","3","7","2","1") = "8"
    & skf18("4","4","9","3","7","3","1") = "8"
    & skf18("4","4","9","3","7","4","1") = "8"
    & skf18("4","4","9","3","7","5","1") = "8"
    & skf18("4","4","9","3","7","6","1") = "8"
    & skf18("4","4","9","3","7","7","1") = "8"
    & skf18("4","4","9","3","7","8","1") = "8"
    & skf18("4","4","9","3","7","9","1") = "8"
    & skf18("4","4","9","3","7","10","1") = "9"
    & skf18("4","4","9","3","8","1","1") = "8"
    & skf18("4","4","9","3","8","2","1") = "8"
    & skf18("4","4","9","3","8","3","1") = "8"
    & skf18("4","4","9","3","8","4","1") = "8"
    & skf18("4","4","9","3","8","5","1") = "8"
    & skf18("4","4","9","3","8","6","1") = "8"
    & skf18("4","4","9","3","8","7","1") = "8"
    & skf18("4","4","9","3","8","8","1") = "8"
    & skf18("4","4","9","3","8","9","1") = "8"
    & skf18("4","4","9","3","8","10","1") = "9"
    & skf18("4","4","9","3","9","1","1") = "8"
    & skf18("4","4","9","3","9","2","1") = "8"
    & skf18("4","4","9","3","9","3","1") = "8"
    & skf18("4","4","9","3","9","4","1") = "8"
    & skf18("4","4","9","3","9","5","1") = "8"
    & skf18("4","4","9","3","9","6","1") = "8"
    & skf18("4","4","9","3","9","7","1") = "8"
    & skf18("4","4","9","3","9","8","1") = "8"
    & skf18("4","4","9","3","9","9","1") = "8"
    & skf18("4","4","9","3","9","10","1") = "9"
    & skf18("4","4","9","3","10","1","1") = "9"
    & skf18("4","4","9","3","10","2","1") = "9"
    & skf18("4","4","9","3","10","3","1") = "9"
    & skf18("4","4","9","3","10","4","1") = "9"
    & skf18("4","4","9","3","10","5","1") = "9"
    & skf18("4","4","9","3","10","6","1") = "9"
    & skf18("4","4","9","3","10","7","1") = "9"
    & skf18("4","4","9","3","10","8","1") = "9"
    & skf18("4","4","9","3","10","9","1") = "9"
    & skf18("4","4","9","3","10","10","1") = "9"
    & skf18("4","4","9","4","1","1","1") = "8"
    & skf18("4","4","9","4","1","2","1") = "8"
    & skf18("4","4","9","4","1","3","1") = "8"
    & skf18("4","4","9","4","1","4","1") = "8"
    & skf18("4","4","9","4","1","5","1") = "8"
    & skf18("4","4","9","4","1","6","1") = "8"
    & skf18("4","4","9","4","1","7","1") = "8"
    & skf18("4","4","9","4","1","8","1") = "8"
    & skf18("4","4","9","4","1","9","1") = "8"
    & skf18("4","4","9","4","1","10","1") = "9"
    & skf18("4","4","9","4","2","1","1") = "8"
    & skf18("4","4","9","4","2","2","1") = "8"
    & skf18("4","4","9","4","2","3","1") = "8"
    & skf18("4","4","9","4","2","4","1") = "8"
    & skf18("4","4","9","4","2","5","1") = "8"
    & skf18("4","4","9","4","2","6","1") = "8"
    & skf18("4","4","9","4","2","7","1") = "8"
    & skf18("4","4","9","4","2","8","1") = "8"
    & skf18("4","4","9","4","2","9","1") = "8"
    & skf18("4","4","9","4","2","10","1") = "9"
    & skf18("4","4","9","4","3","1","1") = "8"
    & skf18("4","4","9","4","3","2","1") = "8"
    & skf18("4","4","9","4","3","3","1") = "8"
    & skf18("4","4","9","4","3","4","1") = "8"
    & skf18("4","4","9","4","3","5","1") = "8"
    & skf18("4","4","9","4","3","6","1") = "8"
    & skf18("4","4","9","4","3","7","1") = "8"
    & skf18("4","4","9","4","3","8","1") = "8"
    & skf18("4","4","9","4","3","9","1") = "8"
    & skf18("4","4","9","4","3","10","1") = "9"
    & skf18("4","4","9","4","4","1","1") = "8"
    & skf18("4","4","9","4","4","2","1") = "8"
    & skf18("4","4","9","4","4","3","1") = "8"
    & skf18("4","4","9","4","4","4","1") = "8"
    & skf18("4","4","9","4","4","5","1") = "8"
    & skf18("4","4","9","4","4","6","1") = "8"
    & skf18("4","4","9","4","4","7","1") = "8"
    & skf18("4","4","9","4","4","8","1") = "8"
    & skf18("4","4","9","4","4","9","1") = "8"
    & skf18("4","4","9","4","4","10","1") = "9"
    & skf18("4","4","9","4","5","1","1") = "8"
    & skf18("4","4","9","4","5","2","1") = "8"
    & skf18("4","4","9","4","5","3","1") = "8"
    & skf18("4","4","9","4","5","4","1") = "8"
    & skf18("4","4","9","4","5","5","1") = "8"
    & skf18("4","4","9","4","5","6","1") = "8"
    & skf18("4","4","9","4","5","7","1") = "8"
    & skf18("4","4","9","4","5","8","1") = "8"
    & skf18("4","4","9","4","5","9","1") = "8"
    & skf18("4","4","9","4","5","10","1") = "9"
    & skf18("4","4","9","4","6","1","1") = "8"
    & skf18("4","4","9","4","6","2","1") = "8"
    & skf18("4","4","9","4","6","3","1") = "8"
    & skf18("4","4","9","4","6","4","1") = "8"
    & skf18("4","4","9","4","6","5","1") = "8"
    & skf18("4","4","9","4","6","6","1") = "8"
    & skf18("4","4","9","4","6","7","1") = "8"
    & skf18("4","4","9","4","6","8","1") = "8"
    & skf18("4","4","9","4","6","9","1") = "8"
    & skf18("4","4","9","4","6","10","1") = "9"
    & skf18("4","4","9","4","7","1","1") = "8"
    & skf18("4","4","9","4","7","2","1") = "8"
    & skf18("4","4","9","4","7","3","1") = "8"
    & skf18("4","4","9","4","7","4","1") = "8"
    & skf18("4","4","9","4","7","5","1") = "8"
    & skf18("4","4","9","4","7","6","1") = "8"
    & skf18("4","4","9","4","7","7","1") = "8"
    & skf18("4","4","9","4","7","8","1") = "8"
    & skf18("4","4","9","4","7","9","1") = "8"
    & skf18("4","4","9","4","7","10","1") = "9"
    & skf18("4","4","9","4","8","1","1") = "8"
    & skf18("4","4","9","4","8","2","1") = "8"
    & skf18("4","4","9","4","8","3","1") = "8"
    & skf18("4","4","9","4","8","4","1") = "8"
    & skf18("4","4","9","4","8","5","1") = "8"
    & skf18("4","4","9","4","8","6","1") = "8"
    & skf18("4","4","9","4","8","7","1") = "8"
    & skf18("4","4","9","4","8","8","1") = "8"
    & skf18("4","4","9","4","8","9","1") = "8"
    & skf18("4","4","9","4","8","10","1") = "9"
    & skf18("4","4","9","4","9","1","1") = "8"
    & skf18("4","4","9","4","9","2","1") = "8"
    & skf18("4","4","9","4","9","3","1") = "8"
    & skf18("4","4","9","4","9","4","1") = "8"
    & skf18("4","4","9","4","9","5","1") = "8"
    & skf18("4","4","9","4","9","6","1") = "8"
    & skf18("4","4","9","4","9","7","1") = "8"
    & skf18("4","4","9","4","9","8","1") = "8"
    & skf18("4","4","9","4","9","9","1") = "8"
    & skf18("4","4","9","4","9","10","1") = "9"
    & skf18("4","4","9","4","10","1","1") = "9"
    & skf18("4","4","9","4","10","2","1") = "9"
    & skf18("4","4","9","4","10","3","1") = "9"
    & skf18("4","4","9","4","10","4","1") = "9"
    & skf18("4","4","9","4","10","5","1") = "9"
    & skf18("4","4","9","4","10","6","1") = "9"
    & skf18("4","4","9","4","10","7","1") = "9"
    & skf18("4","4","9","4","10","8","1") = "9"
    & skf18("4","4","9","4","10","9","1") = "9"
    & skf18("4","4","9","4","10","10","1") = "9"
    & skf18("4","4","9","5","1","1","1") = "8"
    & skf18("4","4","9","5","1","2","1") = "8"
    & skf18("4","4","9","5","1","3","1") = "8"
    & skf18("4","4","9","5","1","4","1") = "8"
    & skf18("4","4","9","5","1","5","1") = "8"
    & skf18("4","4","9","5","1","6","1") = "8"
    & skf18("4","4","9","5","1","7","1") = "8"
    & skf18("4","4","9","5","1","8","1") = "8"
    & skf18("4","4","9","5","1","9","1") = "8"
    & skf18("4","4","9","5","1","10","1") = "9"
    & skf18("4","4","9","5","2","1","1") = "8"
    & skf18("4","4","9","5","2","2","1") = "8"
    & skf18("4","4","9","5","2","3","1") = "8"
    & skf18("4","4","9","5","2","4","1") = "8"
    & skf18("4","4","9","5","2","5","1") = "8"
    & skf18("4","4","9","5","2","6","1") = "8"
    & skf18("4","4","9","5","2","7","1") = "8"
    & skf18("4","4","9","5","2","8","1") = "8"
    & skf18("4","4","9","5","2","9","1") = "8"
    & skf18("4","4","9","5","2","10","1") = "9"
    & skf18("4","4","9","5","3","1","1") = "8"
    & skf18("4","4","9","5","3","2","1") = "8"
    & skf18("4","4","9","5","3","3","1") = "8"
    & skf18("4","4","9","5","3","4","1") = "8"
    & skf18("4","4","9","5","3","5","1") = "8"
    & skf18("4","4","9","5","3","6","1") = "8"
    & skf18("4","4","9","5","3","7","1") = "8"
    & skf18("4","4","9","5","3","8","1") = "8"
    & skf18("4","4","9","5","3","9","1") = "8"
    & skf18("4","4","9","5","3","10","1") = "9"
    & skf18("4","4","9","5","4","1","1") = "8"
    & skf18("4","4","9","5","4","2","1") = "8"
    & skf18("4","4","9","5","4","3","1") = "8"
    & skf18("4","4","9","5","4","4","1") = "8"
    & skf18("4","4","9","5","4","5","1") = "8"
    & skf18("4","4","9","5","4","6","1") = "8"
    & skf18("4","4","9","5","4","7","1") = "8"
    & skf18("4","4","9","5","4","8","1") = "8"
    & skf18("4","4","9","5","4","9","1") = "8"
    & skf18("4","4","9","5","4","10","1") = "9"
    & skf18("4","4","9","5","5","1","1") = "8"
    & skf18("4","4","9","5","5","2","1") = "8"
    & skf18("4","4","9","5","5","3","1") = "8"
    & skf18("4","4","9","5","5","4","1") = "8"
    & skf18("4","4","9","5","5","5","1") = "8"
    & skf18("4","4","9","5","5","6","1") = "8"
    & skf18("4","4","9","5","5","7","1") = "8"
    & skf18("4","4","9","5","5","8","1") = "8"
    & skf18("4","4","9","5","5","9","1") = "8"
    & skf18("4","4","9","5","5","10","1") = "9"
    & skf18("4","4","9","5","6","1","1") = "8"
    & skf18("4","4","9","5","6","2","1") = "8"
    & skf18("4","4","9","5","6","3","1") = "8"
    & skf18("4","4","9","5","6","4","1") = "8"
    & skf18("4","4","9","5","6","5","1") = "8"
    & skf18("4","4","9","5","6","6","1") = "8"
    & skf18("4","4","9","5","6","7","1") = "8"
    & skf18("4","4","9","5","6","8","1") = "8"
    & skf18("4","4","9","5","6","9","1") = "8"
    & skf18("4","4","9","5","6","10","1") = "9"
    & skf18("4","4","9","5","7","1","1") = "8"
    & skf18("4","4","9","5","7","2","1") = "8"
    & skf18("4","4","9","5","7","3","1") = "8"
    & skf18("4","4","9","5","7","4","1") = "8"
    & skf18("4","4","9","5","7","5","1") = "8"
    & skf18("4","4","9","5","7","6","1") = "8"
    & skf18("4","4","9","5","7","7","1") = "8"
    & skf18("4","4","9","5","7","8","1") = "8"
    & skf18("4","4","9","5","7","9","1") = "8"
    & skf18("4","4","9","5","7","10","1") = "9"
    & skf18("4","4","9","5","8","1","1") = "8"
    & skf18("4","4","9","5","8","2","1") = "8"
    & skf18("4","4","9","5","8","3","1") = "8"
    & skf18("4","4","9","5","8","4","1") = "8"
    & skf18("4","4","9","5","8","5","1") = "8"
    & skf18("4","4","9","5","8","6","1") = "8"
    & skf18("4","4","9","5","8","7","1") = "8"
    & skf18("4","4","9","5","8","8","1") = "8"
    & skf18("4","4","9","5","8","9","1") = "8"
    & skf18("4","4","9","5","8","10","1") = "9"
    & skf18("4","4","9","5","9","1","1") = "8"
    & skf18("4","4","9","5","9","2","1") = "8"
    & skf18("4","4","9","5","9","3","1") = "8"
    & skf18("4","4","9","5","9","4","1") = "8"
    & skf18("4","4","9","5","9","5","1") = "8"
    & skf18("4","4","9","5","9","6","1") = "8"
    & skf18("4","4","9","5","9","7","1") = "8"
    & skf18("4","4","9","5","9","8","1") = "8"
    & skf18("4","4","9","5","9","9","1") = "8"
    & skf18("4","4","9","5","9","10","1") = "9"
    & skf18("4","4","9","5","10","1","1") = "9"
    & skf18("4","4","9","5","10","2","1") = "9"
    & skf18("4","4","9","5","10","3","1") = "9"
    & skf18("4","4","9","5","10","4","1") = "9"
    & skf18("4","4","9","5","10","5","1") = "9"
    & skf18("4","4","9","5","10","6","1") = "9"
    & skf18("4","4","9","5","10","7","1") = "9"
    & skf18("4","4","9","5","10","8","1") = "9"
    & skf18("4","4","9","5","10","9","1") = "9"
    & skf18("4","4","9","5","10","10","1") = "9"
    & skf18("4","4","9","6","1","1","1") = "8"
    & skf18("4","4","9","6","1","2","1") = "8"
    & skf18("4","4","9","6","1","3","1") = "8"
    & skf18("4","4","9","6","1","4","1") = "8"
    & skf18("4","4","9","6","1","5","1") = "8"
    & skf18("4","4","9","6","1","6","1") = "8"
    & skf18("4","4","9","6","1","7","1") = "8"
    & skf18("4","4","9","6","1","8","1") = "8"
    & skf18("4","4","9","6","1","9","1") = "8"
    & skf18("4","4","9","6","1","10","1") = "9"
    & skf18("4","4","9","6","2","1","1") = "8"
    & skf18("4","4","9","6","2","2","1") = "8"
    & skf18("4","4","9","6","2","3","1") = "8"
    & skf18("4","4","9","6","2","4","1") = "8"
    & skf18("4","4","9","6","2","5","1") = "8"
    & skf18("4","4","9","6","2","6","1") = "8"
    & skf18("4","4","9","6","2","7","1") = "8"
    & skf18("4","4","9","6","2","8","1") = "8"
    & skf18("4","4","9","6","2","9","1") = "8"
    & skf18("4","4","9","6","2","10","1") = "9"
    & skf18("4","4","9","6","3","1","1") = "8"
    & skf18("4","4","9","6","3","2","1") = "8"
    & skf18("4","4","9","6","3","3","1") = "8"
    & skf18("4","4","9","6","3","4","1") = "8"
    & skf18("4","4","9","6","3","5","1") = "8"
    & skf18("4","4","9","6","3","6","1") = "8"
    & skf18("4","4","9","6","3","7","1") = "8"
    & skf18("4","4","9","6","3","8","1") = "8"
    & skf18("4","4","9","6","3","9","1") = "8"
    & skf18("4","4","9","6","3","10","1") = "9"
    & skf18("4","4","9","6","4","1","1") = "8"
    & skf18("4","4","9","6","4","2","1") = "8"
    & skf18("4","4","9","6","4","3","1") = "8"
    & skf18("4","4","9","6","4","4","1") = "8"
    & skf18("4","4","9","6","4","5","1") = "8"
    & skf18("4","4","9","6","4","6","1") = "8"
    & skf18("4","4","9","6","4","7","1") = "8"
    & skf18("4","4","9","6","4","8","1") = "8"
    & skf18("4","4","9","6","4","9","1") = "8"
    & skf18("4","4","9","6","4","10","1") = "9"
    & skf18("4","4","9","6","5","1","1") = "8"
    & skf18("4","4","9","6","5","2","1") = "8"
    & skf18("4","4","9","6","5","3","1") = "8"
    & skf18("4","4","9","6","5","4","1") = "8"
    & skf18("4","4","9","6","5","5","1") = "8"
    & skf18("4","4","9","6","5","6","1") = "8"
    & skf18("4","4","9","6","5","7","1") = "8"
    & skf18("4","4","9","6","5","8","1") = "8"
    & skf18("4","4","9","6","5","9","1") = "8"
    & skf18("4","4","9","6","5","10","1") = "9"
    & skf18("4","4","9","6","6","1","1") = "8"
    & skf18("4","4","9","6","6","2","1") = "8"
    & skf18("4","4","9","6","6","3","1") = "8"
    & skf18("4","4","9","6","6","4","1") = "8"
    & skf18("4","4","9","6","6","5","1") = "8"
    & skf18("4","4","9","6","6","6","1") = "8"
    & skf18("4","4","9","6","6","7","1") = "8"
    & skf18("4","4","9","6","6","8","1") = "8"
    & skf18("4","4","9","6","6","9","1") = "8"
    & skf18("4","4","9","6","6","10","1") = "9"
    & skf18("4","4","9","6","7","1","1") = "8"
    & skf18("4","4","9","6","7","2","1") = "8"
    & skf18("4","4","9","6","7","3","1") = "8"
    & skf18("4","4","9","6","7","4","1") = "8"
    & skf18("4","4","9","6","7","5","1") = "8"
    & skf18("4","4","9","6","7","6","1") = "8"
    & skf18("4","4","9","6","7","7","1") = "8"
    & skf18("4","4","9","6","7","8","1") = "8"
    & skf18("4","4","9","6","7","9","1") = "8"
    & skf18("4","4","9","6","7","10","1") = "9"
    & skf18("4","4","9","6","8","1","1") = "8"
    & skf18("4","4","9","6","8","2","1") = "8"
    & skf18("4","4","9","6","8","3","1") = "8"
    & skf18("4","4","9","6","8","4","1") = "8"
    & skf18("4","4","9","6","8","5","1") = "8"
    & skf18("4","4","9","6","8","6","1") = "8"
    & skf18("4","4","9","6","8","7","1") = "8"
    & skf18("4","4","9","6","8","8","1") = "8"
    & skf18("4","4","9","6","8","9","1") = "8"
    & skf18("4","4","9","6","8","10","1") = "9"
    & skf18("4","4","9","6","9","1","1") = "8"
    & skf18("4","4","9","6","9","2","1") = "8"
    & skf18("4","4","9","6","9","3","1") = "8"
    & skf18("4","4","9","6","9","4","1") = "8"
    & skf18("4","4","9","6","9","5","1") = "8"
    & skf18("4","4","9","6","9","6","1") = "8"
    & skf18("4","4","9","6","9","7","1") = "8"
    & skf18("4","4","9","6","9","8","1") = "8"
    & skf18("4","4","9","6","9","9","1") = "8"
    & skf18("4","4","9","6","9","10","1") = "9"
    & skf18("4","4","9","6","10","1","1") = "9"
    & skf18("4","4","9","6","10","2","1") = "9"
    & skf18("4","4","9","6","10","3","1") = "9"
    & skf18("4","4","9","6","10","4","1") = "9"
    & skf18("4","4","9","6","10","5","1") = "9"
    & skf18("4","4","9","6","10","6","1") = "9"
    & skf18("4","4","9","6","10","7","1") = "9"
    & skf18("4","4","9","6","10","8","1") = "9"
    & skf18("4","4","9","6","10","9","1") = "9"
    & skf18("4","4","9","6","10","10","1") = "9"
    & skf18("4","4","9","7","1","1","1") = "8"
    & skf18("4","4","9","7","1","2","1") = "8"
    & skf18("4","4","9","7","1","3","1") = "8"
    & skf18("4","4","9","7","1","4","1") = "8"
    & skf18("4","4","9","7","1","5","1") = "8"
    & skf18("4","4","9","7","1","6","1") = "8"
    & skf18("4","4","9","7","1","7","1") = "8"
    & skf18("4","4","9","7","1","8","1") = "8"
    & skf18("4","4","9","7","1","9","1") = "8"
    & skf18("4","4","9","7","1","10","1") = "9"
    & skf18("4","4","9","7","2","1","1") = "8"
    & skf18("4","4","9","7","2","2","1") = "8"
    & skf18("4","4","9","7","2","3","1") = "8"
    & skf18("4","4","9","7","2","4","1") = "8"
    & skf18("4","4","9","7","2","5","1") = "8"
    & skf18("4","4","9","7","2","6","1") = "8"
    & skf18("4","4","9","7","2","7","1") = "8"
    & skf18("4","4","9","7","2","8","1") = "8"
    & skf18("4","4","9","7","2","9","1") = "8"
    & skf18("4","4","9","7","2","10","1") = "9"
    & skf18("4","4","9","7","3","1","1") = "8"
    & skf18("4","4","9","7","3","2","1") = "8"
    & skf18("4","4","9","7","3","3","1") = "8"
    & skf18("4","4","9","7","3","4","1") = "8"
    & skf18("4","4","9","7","3","5","1") = "8"
    & skf18("4","4","9","7","3","6","1") = "8"
    & skf18("4","4","9","7","3","7","1") = "8"
    & skf18("4","4","9","7","3","8","1") = "8"
    & skf18("4","4","9","7","3","9","1") = "8"
    & skf18("4","4","9","7","3","10","1") = "9"
    & skf18("4","4","9","7","4","1","1") = "8"
    & skf18("4","4","9","7","4","2","1") = "8"
    & skf18("4","4","9","7","4","3","1") = "8"
    & skf18("4","4","9","7","4","4","1") = "8"
    & skf18("4","4","9","7","4","5","1") = "8"
    & skf18("4","4","9","7","4","6","1") = "8"
    & skf18("4","4","9","7","4","7","1") = "8"
    & skf18("4","4","9","7","4","8","1") = "8"
    & skf18("4","4","9","7","4","9","1") = "8"
    & skf18("4","4","9","7","4","10","1") = "9"
    & skf18("4","4","9","7","5","1","1") = "8"
    & skf18("4","4","9","7","5","2","1") = "8"
    & skf18("4","4","9","7","5","3","1") = "8"
    & skf18("4","4","9","7","5","4","1") = "8"
    & skf18("4","4","9","7","5","5","1") = "8"
    & skf18("4","4","9","7","5","6","1") = "8"
    & skf18("4","4","9","7","5","7","1") = "8"
    & skf18("4","4","9","7","5","8","1") = "8"
    & skf18("4","4","9","7","5","9","1") = "8"
    & skf18("4","4","9","7","5","10","1") = "9"
    & skf18("4","4","9","7","6","1","1") = "8"
    & skf18("4","4","9","7","6","2","1") = "8"
    & skf18("4","4","9","7","6","3","1") = "8"
    & skf18("4","4","9","7","6","4","1") = "8"
    & skf18("4","4","9","7","6","5","1") = "8"
    & skf18("4","4","9","7","6","6","1") = "8"
    & skf18("4","4","9","7","6","7","1") = "8"
    & skf18("4","4","9","7","6","8","1") = "8"
    & skf18("4","4","9","7","6","9","1") = "8"
    & skf18("4","4","9","7","6","10","1") = "9"
    & skf18("4","4","9","7","7","1","1") = "8"
    & skf18("4","4","9","7","7","2","1") = "8"
    & skf18("4","4","9","7","7","3","1") = "8"
    & skf18("4","4","9","7","7","4","1") = "8"
    & skf18("4","4","9","7","7","5","1") = "8"
    & skf18("4","4","9","7","7","6","1") = "8"
    & skf18("4","4","9","7","7","7","1") = "8"
    & skf18("4","4","9","7","7","8","1") = "8"
    & skf18("4","4","9","7","7","9","1") = "8"
    & skf18("4","4","9","7","7","10","1") = "9"
    & skf18("4","4","9","7","8","1","1") = "8"
    & skf18("4","4","9","7","8","2","1") = "8"
    & skf18("4","4","9","7","8","3","1") = "8"
    & skf18("4","4","9","7","8","4","1") = "8"
    & skf18("4","4","9","7","8","5","1") = "8"
    & skf18("4","4","9","7","8","6","1") = "8"
    & skf18("4","4","9","7","8","7","1") = "8"
    & skf18("4","4","9","7","8","8","1") = "8"
    & skf18("4","4","9","7","8","9","1") = "8"
    & skf18("4","4","9","7","8","10","1") = "9"
    & skf18("4","4","9","7","9","1","1") = "8"
    & skf18("4","4","9","7","9","2","1") = "8"
    & skf18("4","4","9","7","9","3","1") = "8"
    & skf18("4","4","9","7","9","4","1") = "8"
    & skf18("4","4","9","7","9","5","1") = "8"
    & skf18("4","4","9","7","9","6","1") = "8"
    & skf18("4","4","9","7","9","7","1") = "8"
    & skf18("4","4","9","7","9","8","1") = "8"
    & skf18("4","4","9","7","9","9","1") = "8"
    & skf18("4","4","9","7","9","10","1") = "9"
    & skf18("4","4","9","7","10","1","1") = "9"
    & skf18("4","4","9","7","10","2","1") = "9"
    & skf18("4","4","9","7","10","3","1") = "9"
    & skf18("4","4","9","7","10","4","1") = "9"
    & skf18("4","4","9","7","10","5","1") = "9"
    & skf18("4","4","9","7","10","6","1") = "9"
    & skf18("4","4","9","7","10","7","1") = "9"
    & skf18("4","4","9","7","10","8","1") = "9"
    & skf18("4","4","9","7","10","9","1") = "9"
    & skf18("4","4","9","7","10","10","1") = "9"
    & skf18("4","4","9","8","1","1","1") = "8"
    & skf18("4","4","9","8","1","2","1") = "8"
    & skf18("4","4","9","8","1","3","1") = "8"
    & skf18("4","4","9","8","1","4","1") = "8"
    & skf18("4","4","9","8","1","5","1") = "8"
    & skf18("4","4","9","8","1","6","1") = "8"
    & skf18("4","4","9","8","1","7","1") = "8"
    & skf18("4","4","9","8","1","8","1") = "8"
    & skf18("4","4","9","8","1","9","1") = "8"
    & skf18("4","4","9","8","1","10","1") = "9"
    & skf18("4","4","9","8","2","1","1") = "8"
    & skf18("4","4","9","8","2","2","1") = "8"
    & skf18("4","4","9","8","2","3","1") = "8"
    & skf18("4","4","9","8","2","4","1") = "8"
    & skf18("4","4","9","8","2","5","1") = "8"
    & skf18("4","4","9","8","2","6","1") = "8"
    & skf18("4","4","9","8","2","7","1") = "8"
    & skf18("4","4","9","8","2","8","1") = "8"
    & skf18("4","4","9","8","2","9","1") = "8"
    & skf18("4","4","9","8","2","10","1") = "9"
    & skf18("4","4","9","8","3","1","1") = "8"
    & skf18("4","4","9","8","3","2","1") = "8"
    & skf18("4","4","9","8","3","3","1") = "8"
    & skf18("4","4","9","8","3","4","1") = "8"
    & skf18("4","4","9","8","3","5","1") = "8"
    & skf18("4","4","9","8","3","6","1") = "8"
    & skf18("4","4","9","8","3","7","1") = "8"
    & skf18("4","4","9","8","3","8","1") = "8"
    & skf18("4","4","9","8","3","9","1") = "8"
    & skf18("4","4","9","8","3","10","1") = "9"
    & skf18("4","4","9","8","4","1","1") = "8"
    & skf18("4","4","9","8","4","2","1") = "8"
    & skf18("4","4","9","8","4","3","1") = "8"
    & skf18("4","4","9","8","4","4","1") = "8"
    & skf18("4","4","9","8","4","5","1") = "8"
    & skf18("4","4","9","8","4","6","1") = "8"
    & skf18("4","4","9","8","4","7","1") = "8"
    & skf18("4","4","9","8","4","8","1") = "8"
    & skf18("4","4","9","8","4","9","1") = "8"
    & skf18("4","4","9","8","4","10","1") = "9"
    & skf18("4","4","9","8","5","1","1") = "8"
    & skf18("4","4","9","8","5","2","1") = "8"
    & skf18("4","4","9","8","5","3","1") = "8"
    & skf18("4","4","9","8","5","4","1") = "8"
    & skf18("4","4","9","8","5","5","1") = "8"
    & skf18("4","4","9","8","5","6","1") = "8"
    & skf18("4","4","9","8","5","7","1") = "8"
    & skf18("4","4","9","8","5","8","1") = "8"
    & skf18("4","4","9","8","5","9","1") = "8"
    & skf18("4","4","9","8","5","10","1") = "9"
    & skf18("4","4","9","8","6","1","1") = "8"
    & skf18("4","4","9","8","6","2","1") = "8"
    & skf18("4","4","9","8","6","3","1") = "8"
    & skf18("4","4","9","8","6","4","1") = "8"
    & skf18("4","4","9","8","6","5","1") = "8"
    & skf18("4","4","9","8","6","6","1") = "8"
    & skf18("4","4","9","8","6","7","1") = "8"
    & skf18("4","4","9","8","6","8","1") = "8"
    & skf18("4","4","9","8","6","9","1") = "8"
    & skf18("4","4","9","8","6","10","1") = "9"
    & skf18("4","4","9","8","7","1","1") = "8"
    & skf18("4","4","9","8","7","2","1") = "8"
    & skf18("4","4","9","8","7","3","1") = "8"
    & skf18("4","4","9","8","7","4","1") = "8"
    & skf18("4","4","9","8","7","5","1") = "8"
    & skf18("4","4","9","8","7","6","1") = "8"
    & skf18("4","4","9","8","7","7","1") = "8"
    & skf18("4","4","9","8","7","8","1") = "8"
    & skf18("4","4","9","8","7","9","1") = "8"
    & skf18("4","4","9","8","7","10","1") = "9"
    & skf18("4","4","9","8","8","1","1") = "8"
    & skf18("4","4","9","8","8","2","1") = "8"
    & skf18("4","4","9","8","8","3","1") = "8"
    & skf18("4","4","9","8","8","4","1") = "8"
    & skf18("4","4","9","8","8","5","1") = "8"
    & skf18("4","4","9","8","8","6","1") = "8"
    & skf18("4","4","9","8","8","7","1") = "8"
    & skf18("4","4","9","8","8","8","1") = "8"
    & skf18("4","4","9","8","8","9","1") = "8"
    & skf18("4","4","9","8","8","10","1") = "9"
    & skf18("4","4","9","8","9","1","1") = "8"
    & skf18("4","4","9","8","9","2","1") = "8"
    & skf18("4","4","9","8","9","3","1") = "8"
    & skf18("4","4","9","8","9","4","1") = "8"
    & skf18("4","4","9","8","9","5","1") = "8"
    & skf18("4","4","9","8","9","6","1") = "8"
    & skf18("4","4","9","8","9","7","1") = "8"
    & skf18("4","4","9","8","9","8","1") = "8"
    & skf18("4","4","9","8","9","9","1") = "8"
    & skf18("4","4","9","8","9","10","1") = "9"
    & skf18("4","4","9","8","10","1","1") = "9"
    & skf18("4","4","9","8","10","2","1") = "9"
    & skf18("4","4","9","8","10","3","1") = "9"
    & skf18("4","4","9","8","10","4","1") = "9"
    & skf18("4","4","9","8","10","5","1") = "9"
    & skf18("4","4","9","8","10","6","1") = "9"
    & skf18("4","4","9","8","10","7","1") = "9"
    & skf18("4","4","9","8","10","8","1") = "9"
    & skf18("4","4","9","8","10","9","1") = "9"
    & skf18("4","4","9","8","10","10","1") = "9"
    & skf18("4","4","9","9","1","1","1") = "8"
    & skf18("4","4","9","9","1","2","1") = "8"
    & skf18("4","4","9","9","1","3","1") = "8"
    & skf18("4","4","9","9","1","4","1") = "8"
    & skf18("4","4","9","9","1","5","1") = "8"
    & skf18("4","4","9","9","1","6","1") = "8"
    & skf18("4","4","9","9","1","7","1") = "8"
    & skf18("4","4","9","9","1","8","1") = "8"
    & skf18("4","4","9","9","1","9","1") = "8"
    & skf18("4","4","9","9","1","10","1") = "9"
    & skf18("4","4","9","9","2","1","1") = "8"
    & skf18("4","4","9","9","2","2","1") = "8"
    & skf18("4","4","9","9","2","3","1") = "8"
    & skf18("4","4","9","9","2","4","1") = "8"
    & skf18("4","4","9","9","2","5","1") = "8"
    & skf18("4","4","9","9","2","6","1") = "8"
    & skf18("4","4","9","9","2","7","1") = "8"
    & skf18("4","4","9","9","2","8","1") = "8"
    & skf18("4","4","9","9","2","9","1") = "8"
    & skf18("4","4","9","9","2","10","1") = "9"
    & skf18("4","4","9","9","3","1","1") = "8"
    & skf18("4","4","9","9","3","2","1") = "8"
    & skf18("4","4","9","9","3","3","1") = "8"
    & skf18("4","4","9","9","3","4","1") = "8"
    & skf18("4","4","9","9","3","5","1") = "8"
    & skf18("4","4","9","9","3","6","1") = "8"
    & skf18("4","4","9","9","3","7","1") = "8"
    & skf18("4","4","9","9","3","8","1") = "8"
    & skf18("4","4","9","9","3","9","1") = "8"
    & skf18("4","4","9","9","3","10","1") = "9"
    & skf18("4","4","9","9","4","1","1") = "8"
    & skf18("4","4","9","9","4","2","1") = "8"
    & skf18("4","4","9","9","4","3","1") = "8"
    & skf18("4","4","9","9","4","4","1") = "8"
    & skf18("4","4","9","9","4","5","1") = "8"
    & skf18("4","4","9","9","4","6","1") = "8"
    & skf18("4","4","9","9","4","7","1") = "8"
    & skf18("4","4","9","9","4","8","1") = "8"
    & skf18("4","4","9","9","4","9","1") = "8"
    & skf18("4","4","9","9","4","10","1") = "9"
    & skf18("4","4","9","9","5","1","1") = "8"
    & skf18("4","4","9","9","5","2","1") = "8"
    & skf18("4","4","9","9","5","3","1") = "8"
    & skf18("4","4","9","9","5","4","1") = "8"
    & skf18("4","4","9","9","5","5","1") = "8"
    & skf18("4","4","9","9","5","6","1") = "8"
    & skf18("4","4","9","9","5","7","1") = "8"
    & skf18("4","4","9","9","5","8","1") = "8"
    & skf18("4","4","9","9","5","9","1") = "8"
    & skf18("4","4","9","9","5","10","1") = "9"
    & skf18("4","4","9","9","6","1","1") = "8"
    & skf18("4","4","9","9","6","2","1") = "8"
    & skf18("4","4","9","9","6","3","1") = "8"
    & skf18("4","4","9","9","6","4","1") = "8"
    & skf18("4","4","9","9","6","5","1") = "8"
    & skf18("4","4","9","9","6","6","1") = "8"
    & skf18("4","4","9","9","6","7","1") = "8"
    & skf18("4","4","9","9","6","8","1") = "8"
    & skf18("4","4","9","9","6","9","1") = "8"
    & skf18("4","4","9","9","6","10","1") = "9"
    & skf18("4","4","9","9","7","1","1") = "8"
    & skf18("4","4","9","9","7","2","1") = "8"
    & skf18("4","4","9","9","7","3","1") = "8"
    & skf18("4","4","9","9","7","4","1") = "8"
    & skf18("4","4","9","9","7","5","1") = "8"
    & skf18("4","4","9","9","7","6","1") = "8"
    & skf18("4","4","9","9","7","7","1") = "8"
    & skf18("4","4","9","9","7","8","1") = "8"
    & skf18("4","4","9","9","7","9","1") = "8"
    & skf18("4","4","9","9","7","10","1") = "9"
    & skf18("4","4","9","9","8","1","1") = "8"
    & skf18("4","4","9","9","8","2","1") = "8"
    & skf18("4","4","9","9","8","3","1") = "8"
    & skf18("4","4","9","9","8","4","1") = "8"
    & skf18("4","4","9","9","8","5","1") = "8"
    & skf18("4","4","9","9","8","6","1") = "8"
    & skf18("4","4","9","9","8","7","1") = "8"
    & skf18("4","4","9","9","8","8","1") = "8"
    & skf18("4","4","9","9","8","9","1") = "8"
    & skf18("4","4","9","9","8","10","1") = "9"
    & skf18("4","4","9","9","9","1","1") = "8"
    & skf18("4","4","9","9","9","2","1") = "8"
    & skf18("4","4","9","9","9","3","1") = "8"
    & skf18("4","4","9","9","9","4","1") = "8"
    & skf18("4","4","9","9","9","5","1") = "8"
    & skf18("4","4","9","9","9","6","1") = "8"
    & skf18("4","4","9","9","9","7","1") = "8"
    & skf18("4","4","9","9","9","8","1") = "8"
    & skf18("4","4","9","9","9","9","1") = "8"
    & skf18("4","4","9","9","9","10","1") = "9"
    & skf18("4","4","9","9","10","1","1") = "9"
    & skf18("4","4","9","9","10","2","1") = "9"
    & skf18("4","4","9","9","10","3","1") = "9"
    & skf18("4","4","9","9","10","4","1") = "9"
    & skf18("4","4","9","9","10","5","1") = "9"
    & skf18("4","4","9","9","10","6","1") = "9"
    & skf18("4","4","9","9","10","7","1") = "9"
    & skf18("4","4","9","9","10","8","1") = "9"
    & skf18("4","4","9","9","10","9","1") = "9"
    & skf18("4","4","9","9","10","10","1") = "9"
    & skf18("4","4","9","10","1","1","1") = "9"
    & skf18("4","4","9","10","1","2","1") = "9"
    & skf18("4","4","9","10","1","3","1") = "9"
    & skf18("4","4","9","10","1","4","1") = "9"
    & skf18("4","4","9","10","1","5","1") = "9"
    & skf18("4","4","9","10","1","6","1") = "9"
    & skf18("4","4","9","10","1","7","1") = "9"
    & skf18("4","4","9","10","1","8","1") = "9"
    & skf18("4","4","9","10","1","9","1") = "9"
    & skf18("4","4","9","10","1","10","1") = "9"
    & skf18("4","4","9","10","2","1","1") = "9"
    & skf18("4","4","9","10","2","2","1") = "9"
    & skf18("4","4","9","10","2","3","1") = "9"
    & skf18("4","4","9","10","2","4","1") = "9"
    & skf18("4","4","9","10","2","5","1") = "9"
    & skf18("4","4","9","10","2","6","1") = "9"
    & skf18("4","4","9","10","2","7","1") = "9"
    & skf18("4","4","9","10","2","8","1") = "9"
    & skf18("4","4","9","10","2","9","1") = "9"
    & skf18("4","4","9","10","2","10","1") = "9"
    & skf18("4","4","9","10","3","1","1") = "9"
    & skf18("4","4","9","10","3","2","1") = "9"
    & skf18("4","4","9","10","3","3","1") = "9"
    & skf18("4","4","9","10","3","4","1") = "9"
    & skf18("4","4","9","10","3","5","1") = "9"
    & skf18("4","4","9","10","3","6","1") = "9"
    & skf18("4","4","9","10","3","7","1") = "9"
    & skf18("4","4","9","10","3","8","1") = "9"
    & skf18("4","4","9","10","3","9","1") = "9"
    & skf18("4","4","9","10","3","10","1") = "9"
    & skf18("4","4","9","10","4","1","1") = "9"
    & skf18("4","4","9","10","4","2","1") = "9"
    & skf18("4","4","9","10","4","3","1") = "9"
    & skf18("4","4","9","10","4","4","1") = "9"
    & skf18("4","4","9","10","4","5","1") = "9"
    & skf18("4","4","9","10","4","6","1") = "9"
    & skf18("4","4","9","10","4","7","1") = "9"
    & skf18("4","4","9","10","4","8","1") = "9"
    & skf18("4","4","9","10","4","9","1") = "9"
    & skf18("4","4","9","10","4","10","1") = "9"
    & skf18("4","4","9","10","5","1","1") = "9"
    & skf18("4","4","9","10","5","2","1") = "9"
    & skf18("4","4","9","10","5","3","1") = "9"
    & skf18("4","4","9","10","5","4","1") = "9"
    & skf18("4","4","9","10","5","5","1") = "9"
    & skf18("4","4","9","10","5","6","1") = "9"
    & skf18("4","4","9","10","5","7","1") = "9"
    & skf18("4","4","9","10","5","8","1") = "9"
    & skf18("4","4","9","10","5","9","1") = "9"
    & skf18("4","4","9","10","5","10","1") = "9"
    & skf18("4","4","9","10","6","1","1") = "9"
    & skf18("4","4","9","10","6","2","1") = "9"
    & skf18("4","4","9","10","6","3","1") = "9"
    & skf18("4","4","9","10","6","4","1") = "9"
    & skf18("4","4","9","10","6","5","1") = "9"
    & skf18("4","4","9","10","6","6","1") = "9"
    & skf18("4","4","9","10","6","7","1") = "9"
    & skf18("4","4","9","10","6","8","1") = "9"
    & skf18("4","4","9","10","6","9","1") = "9"
    & skf18("4","4","9","10","6","10","1") = "9"
    & skf18("4","4","9","10","7","1","1") = "9"
    & skf18("4","4","9","10","7","2","1") = "9"
    & skf18("4","4","9","10","7","3","1") = "9"
    & skf18("4","4","9","10","7","4","1") = "9"
    & skf18("4","4","9","10","7","5","1") = "9"
    & skf18("4","4","9","10","7","6","1") = "9"
    & skf18("4","4","9","10","7","7","1") = "9"
    & skf18("4","4","9","10","7","8","1") = "9"
    & skf18("4","4","9","10","7","9","1") = "9"
    & skf18("4","4","9","10","7","10","1") = "9"
    & skf18("4","4","9","10","8","1","1") = "9"
    & skf18("4","4","9","10","8","2","1") = "9"
    & skf18("4","4","9","10","8","3","1") = "9"
    & skf18("4","4","9","10","8","4","1") = "9"
    & skf18("4","4","9","10","8","5","1") = "9"
    & skf18("4","4","9","10","8","6","1") = "9"
    & skf18("4","4","9","10","8","7","1") = "9"
    & skf18("4","4","9","10","8","8","1") = "9"
    & skf18("4","4","9","10","8","9","1") = "9"
    & skf18("4","4","9","10","8","10","1") = "9"
    & skf18("4","4","9","10","9","1","1") = "9"
    & skf18("4","4","9","10","9","2","1") = "9"
    & skf18("4","4","9","10","9","3","1") = "9"
    & skf18("4","4","9","10","9","4","1") = "9"
    & skf18("4","4","9","10","9","5","1") = "9"
    & skf18("4","4","9","10","9","6","1") = "9"
    & skf18("4","4","9","10","9","7","1") = "9"
    & skf18("4","4","9","10","9","8","1") = "9"
    & skf18("4","4","9","10","9","9","1") = "9"
    & skf18("4","4","9","10","9","10","1") = "9"
    & skf18("4","4","9","10","10","1","1") = "9"
    & skf18("4","4","9","10","10","2","1") = "9"
    & skf18("4","4","9","10","10","3","1") = "9"
    & skf18("4","4","9","10","10","4","1") = "9"
    & skf18("4","4","9","10","10","5","1") = "9"
    & skf18("4","4","9","10","10","6","1") = "9"
    & skf18("4","4","9","10","10","7","1") = "9"
    & skf18("4","4","9","10","10","8","1") = "9"
    & skf18("4","4","9","10","10","9","1") = "9"
    & skf18("4","4","9","10","10","10","1") = "9"
    & skf18("4","4","10","1","1","1","1") = "9"
    & skf18("4","4","10","1","1","2","1") = "9"
    & skf18("4","4","10","1","1","3","1") = "9"
    & skf18("4","4","10","1","1","4","1") = "9"
    & skf18("4","4","10","1","1","5","1") = "9"
    & skf18("4","4","10","1","1","6","1") = "9"
    & skf18("4","4","10","1","1","7","1") = "9"
    & skf18("4","4","10","1","1","8","1") = "9"
    & skf18("4","4","10","1","1","9","1") = "9"
    & skf18("4","4","10","1","1","10","1") = "9"
    & skf18("4","4","10","1","2","1","1") = "9"
    & skf18("4","4","10","1","2","2","1") = "9"
    & skf18("4","4","10","1","2","3","1") = "9"
    & skf18("4","4","10","1","2","4","1") = "9"
    & skf18("4","4","10","1","2","5","1") = "9"
    & skf18("4","4","10","1","2","6","1") = "9"
    & skf18("4","4","10","1","2","7","1") = "9"
    & skf18("4","4","10","1","2","8","1") = "9"
    & skf18("4","4","10","1","2","9","1") = "9"
    & skf18("4","4","10","1","2","10","1") = "9"
    & skf18("4","4","10","1","3","1","1") = "9"
    & skf18("4","4","10","1","3","2","1") = "9"
    & skf18("4","4","10","1","3","3","1") = "9"
    & skf18("4","4","10","1","3","4","1") = "9"
    & skf18("4","4","10","1","3","5","1") = "9"
    & skf18("4","4","10","1","3","6","1") = "9"
    & skf18("4","4","10","1","3","7","1") = "9"
    & skf18("4","4","10","1","3","8","1") = "9"
    & skf18("4","4","10","1","3","9","1") = "9"
    & skf18("4","4","10","1","3","10","1") = "9"
    & skf18("4","4","10","1","4","1","1") = "9"
    & skf18("4","4","10","1","4","2","1") = "9"
    & skf18("4","4","10","1","4","3","1") = "9"
    & skf18("4","4","10","1","4","4","1") = "9"
    & skf18("4","4","10","1","4","5","1") = "9"
    & skf18("4","4","10","1","4","6","1") = "9"
    & skf18("4","4","10","1","4","7","1") = "9"
    & skf18("4","4","10","1","4","8","1") = "9"
    & skf18("4","4","10","1","4","9","1") = "9"
    & skf18("4","4","10","1","4","10","1") = "9"
    & skf18("4","4","10","1","5","1","1") = "9"
    & skf18("4","4","10","1","5","2","1") = "9"
    & skf18("4","4","10","1","5","3","1") = "9"
    & skf18("4","4","10","1","5","4","1") = "9"
    & skf18("4","4","10","1","5","5","1") = "9"
    & skf18("4","4","10","1","5","6","1") = "9"
    & skf18("4","4","10","1","5","7","1") = "9"
    & skf18("4","4","10","1","5","8","1") = "9"
    & skf18("4","4","10","1","5","9","1") = "9"
    & skf18("4","4","10","1","5","10","1") = "9"
    & skf18("4","4","10","1","6","1","1") = "9"
    & skf18("4","4","10","1","6","2","1") = "9"
    & skf18("4","4","10","1","6","3","1") = "9"
    & skf18("4","4","10","1","6","4","1") = "9"
    & skf18("4","4","10","1","6","5","1") = "9"
    & skf18("4","4","10","1","6","6","1") = "9"
    & skf18("4","4","10","1","6","7","1") = "9"
    & skf18("4","4","10","1","6","8","1") = "9"
    & skf18("4","4","10","1","6","9","1") = "9"
    & skf18("4","4","10","1","6","10","1") = "9"
    & skf18("4","4","10","1","7","1","1") = "9"
    & skf18("4","4","10","1","7","2","1") = "9"
    & skf18("4","4","10","1","7","3","1") = "9"
    & skf18("4","4","10","1","7","4","1") = "9"
    & skf18("4","4","10","1","7","5","1") = "9"
    & skf18("4","4","10","1","7","6","1") = "9"
    & skf18("4","4","10","1","7","7","1") = "9"
    & skf18("4","4","10","1","7","8","1") = "9"
    & skf18("4","4","10","1","7","9","1") = "9"
    & skf18("4","4","10","1","7","10","1") = "9"
    & skf18("4","4","10","1","8","1","1") = "9"
    & skf18("4","4","10","1","8","2","1") = "9"
    & skf18("4","4","10","1","8","3","1") = "9"
    & skf18("4","4","10","1","8","4","1") = "9"
    & skf18("4","4","10","1","8","5","1") = "9"
    & skf18("4","4","10","1","8","6","1") = "9"
    & skf18("4","4","10","1","8","7","1") = "9"
    & skf18("4","4","10","1","8","8","1") = "9"
    & skf18("4","4","10","1","8","9","1") = "9"
    & skf18("4","4","10","1","8","10","1") = "9"
    & skf18("4","4","10","1","9","1","1") = "9"
    & skf18("4","4","10","1","9","2","1") = "9"
    & skf18("4","4","10","1","9","3","1") = "9"
    & skf18("4","4","10","1","9","4","1") = "9"
    & skf18("4","4","10","1","9","5","1") = "9"
    & skf18("4","4","10","1","9","6","1") = "9"
    & skf18("4","4","10","1","9","7","1") = "9"
    & skf18("4","4","10","1","9","8","1") = "9"
    & skf18("4","4","10","1","9","9","1") = "9"
    & skf18("4","4","10","1","9","10","1") = "9"
    & skf18("4","4","10","1","10","1","1") = "9"
    & skf18("4","4","10","1","10","2","1") = "9"
    & skf18("4","4","10","1","10","3","1") = "9"
    & skf18("4","4","10","1","10","4","1") = "9"
    & skf18("4","4","10","1","10","5","1") = "9"
    & skf18("4","4","10","1","10","6","1") = "9"
    & skf18("4","4","10","1","10","7","1") = "9"
    & skf18("4","4","10","1","10","8","1") = "9"
    & skf18("4","4","10","1","10","9","1") = "9"
    & skf18("4","4","10","1","10","10","1") = "9"
    & skf18("4","4","10","2","1","1","1") = "9"
    & skf18("4","4","10","2","1","2","1") = "9"
    & skf18("4","4","10","2","1","3","1") = "9"
    & skf18("4","4","10","2","1","4","1") = "9"
    & skf18("4","4","10","2","1","5","1") = "9"
    & skf18("4","4","10","2","1","6","1") = "9"
    & skf18("4","4","10","2","1","7","1") = "9"
    & skf18("4","4","10","2","1","8","1") = "9"
    & skf18("4","4","10","2","1","9","1") = "9"
    & skf18("4","4","10","2","1","10","1") = "9"
    & skf18("4","4","10","2","2","1","1") = "9"
    & skf18("4","4","10","2","2","2","1") = "9"
    & skf18("4","4","10","2","2","3","1") = "9"
    & skf18("4","4","10","2","2","4","1") = "9"
    & skf18("4","4","10","2","2","5","1") = "9"
    & skf18("4","4","10","2","2","6","1") = "9"
    & skf18("4","4","10","2","2","7","1") = "9"
    & skf18("4","4","10","2","2","8","1") = "9"
    & skf18("4","4","10","2","2","9","1") = "9"
    & skf18("4","4","10","2","2","10","1") = "9"
    & skf18("4","4","10","2","3","1","1") = "9"
    & skf18("4","4","10","2","3","2","1") = "9"
    & skf18("4","4","10","2","3","3","1") = "9"
    & skf18("4","4","10","2","3","4","1") = "9"
    & skf18("4","4","10","2","3","5","1") = "9"
    & skf18("4","4","10","2","3","6","1") = "9"
    & skf18("4","4","10","2","3","7","1") = "9"
    & skf18("4","4","10","2","3","8","1") = "9"
    & skf18("4","4","10","2","3","9","1") = "9"
    & skf18("4","4","10","2","3","10","1") = "9"
    & skf18("4","4","10","2","4","1","1") = "9"
    & skf18("4","4","10","2","4","2","1") = "9"
    & skf18("4","4","10","2","4","3","1") = "9"
    & skf18("4","4","10","2","4","4","1") = "9"
    & skf18("4","4","10","2","4","5","1") = "9"
    & skf18("4","4","10","2","4","6","1") = "9"
    & skf18("4","4","10","2","4","7","1") = "9"
    & skf18("4","4","10","2","4","8","1") = "9"
    & skf18("4","4","10","2","4","9","1") = "9"
    & skf18("4","4","10","2","4","10","1") = "9"
    & skf18("4","4","10","2","5","1","1") = "9"
    & skf18("4","4","10","2","5","2","1") = "9"
    & skf18("4","4","10","2","5","3","1") = "9"
    & skf18("4","4","10","2","5","4","1") = "9"
    & skf18("4","4","10","2","5","5","1") = "9"
    & skf18("4","4","10","2","5","6","1") = "9"
    & skf18("4","4","10","2","5","7","1") = "9"
    & skf18("4","4","10","2","5","8","1") = "9"
    & skf18("4","4","10","2","5","9","1") = "9"
    & skf18("4","4","10","2","5","10","1") = "9"
    & skf18("4","4","10","2","6","1","1") = "9"
    & skf18("4","4","10","2","6","2","1") = "9"
    & skf18("4","4","10","2","6","3","1") = "9"
    & skf18("4","4","10","2","6","4","1") = "9"
    & skf18("4","4","10","2","6","5","1") = "9"
    & skf18("4","4","10","2","6","6","1") = "9"
    & skf18("4","4","10","2","6","7","1") = "9"
    & skf18("4","4","10","2","6","8","1") = "9"
    & skf18("4","4","10","2","6","9","1") = "9"
    & skf18("4","4","10","2","6","10","1") = "9"
    & skf18("4","4","10","2","7","1","1") = "9"
    & skf18("4","4","10","2","7","2","1") = "9"
    & skf18("4","4","10","2","7","3","1") = "9"
    & skf18("4","4","10","2","7","4","1") = "9"
    & skf18("4","4","10","2","7","5","1") = "9"
    & skf18("4","4","10","2","7","6","1") = "9"
    & skf18("4","4","10","2","7","7","1") = "9"
    & skf18("4","4","10","2","7","8","1") = "9"
    & skf18("4","4","10","2","7","9","1") = "9"
    & skf18("4","4","10","2","7","10","1") = "9"
    & skf18("4","4","10","2","8","1","1") = "9"
    & skf18("4","4","10","2","8","2","1") = "9"
    & skf18("4","4","10","2","8","3","1") = "9"
    & skf18("4","4","10","2","8","4","1") = "9"
    & skf18("4","4","10","2","8","5","1") = "9"
    & skf18("4","4","10","2","8","6","1") = "9"
    & skf18("4","4","10","2","8","7","1") = "9"
    & skf18("4","4","10","2","8","8","1") = "9"
    & skf18("4","4","10","2","8","9","1") = "9"
    & skf18("4","4","10","2","8","10","1") = "9"
    & skf18("4","4","10","2","9","1","1") = "9"
    & skf18("4","4","10","2","9","2","1") = "9"
    & skf18("4","4","10","2","9","3","1") = "9"
    & skf18("4","4","10","2","9","4","1") = "9"
    & skf18("4","4","10","2","9","5","1") = "9"
    & skf18("4","4","10","2","9","6","1") = "9"
    & skf18("4","4","10","2","9","7","1") = "9"
    & skf18("4","4","10","2","9","8","1") = "9"
    & skf18("4","4","10","2","9","9","1") = "9"
    & skf18("4","4","10","2","9","10","1") = "9"
    & skf18("4","4","10","2","10","1","1") = "9"
    & skf18("4","4","10","2","10","2","1") = "9"
    & skf18("4","4","10","2","10","3","1") = "9"
    & skf18("4","4","10","2","10","4","1") = "9"
    & skf18("4","4","10","2","10","5","1") = "9"
    & skf18("4","4","10","2","10","6","1") = "9"
    & skf18("4","4","10","2","10","7","1") = "9"
    & skf18("4","4","10","2","10","8","1") = "9"
    & skf18("4","4","10","2","10","9","1") = "9"
    & skf18("4","4","10","2","10","10","1") = "9"
    & skf18("4","4","10","3","1","1","1") = "9"
    & skf18("4","4","10","3","1","2","1") = "9"
    & skf18("4","4","10","3","1","3","1") = "9"
    & skf18("4","4","10","3","1","4","1") = "9"
    & skf18("4","4","10","3","1","5","1") = "9"
    & skf18("4","4","10","3","1","6","1") = "9"
    & skf18("4","4","10","3","1","7","1") = "9"
    & skf18("4","4","10","3","1","8","1") = "9"
    & skf18("4","4","10","3","1","9","1") = "9"
    & skf18("4","4","10","3","1","10","1") = "9"
    & skf18("4","4","10","3","2","1","1") = "9"
    & skf18("4","4","10","3","2","2","1") = "9"
    & skf18("4","4","10","3","2","3","1") = "9"
    & skf18("4","4","10","3","2","4","1") = "9"
    & skf18("4","4","10","3","2","5","1") = "9"
    & skf18("4","4","10","3","2","6","1") = "9"
    & skf18("4","4","10","3","2","7","1") = "9"
    & skf18("4","4","10","3","2","8","1") = "9"
    & skf18("4","4","10","3","2","9","1") = "9"
    & skf18("4","4","10","3","2","10","1") = "9"
    & skf18("4","4","10","3","3","1","1") = "9"
    & skf18("4","4","10","3","3","2","1") = "9"
    & skf18("4","4","10","3","3","3","1") = "9"
    & skf18("4","4","10","3","3","4","1") = "9"
    & skf18("4","4","10","3","3","5","1") = "9"
    & skf18("4","4","10","3","3","6","1") = "9"
    & skf18("4","4","10","3","3","7","1") = "9"
    & skf18("4","4","10","3","3","8","1") = "9"
    & skf18("4","4","10","3","3","9","1") = "9"
    & skf18("4","4","10","3","3","10","1") = "9"
    & skf18("4","4","10","3","4","1","1") = "9"
    & skf18("4","4","10","3","4","2","1") = "9"
    & skf18("4","4","10","3","4","3","1") = "9"
    & skf18("4","4","10","3","4","4","1") = "9"
    & skf18("4","4","10","3","4","5","1") = "9"
    & skf18("4","4","10","3","4","6","1") = "9"
    & skf18("4","4","10","3","4","7","1") = "9"
    & skf18("4","4","10","3","4","8","1") = "9"
    & skf18("4","4","10","3","4","9","1") = "9"
    & skf18("4","4","10","3","4","10","1") = "9"
    & skf18("4","4","10","3","5","1","1") = "9"
    & skf18("4","4","10","3","5","2","1") = "9"
    & skf18("4","4","10","3","5","3","1") = "9"
    & skf18("4","4","10","3","5","4","1") = "9"
    & skf18("4","4","10","3","5","5","1") = "9"
    & skf18("4","4","10","3","5","6","1") = "9"
    & skf18("4","4","10","3","5","7","1") = "9"
    & skf18("4","4","10","3","5","8","1") = "9"
    & skf18("4","4","10","3","5","9","1") = "9"
    & skf18("4","4","10","3","5","10","1") = "9"
    & skf18("4","4","10","3","6","1","1") = "9"
    & skf18("4","4","10","3","6","2","1") = "9"
    & skf18("4","4","10","3","6","3","1") = "9"
    & skf18("4","4","10","3","6","4","1") = "9"
    & skf18("4","4","10","3","6","5","1") = "9"
    & skf18("4","4","10","3","6","6","1") = "9"
    & skf18("4","4","10","3","6","7","1") = "9"
    & skf18("4","4","10","3","6","8","1") = "9"
    & skf18("4","4","10","3","6","9","1") = "9"
    & skf18("4","4","10","3","6","10","1") = "9"
    & skf18("4","4","10","3","7","1","1") = "9"
    & skf18("4","4","10","3","7","2","1") = "9"
    & skf18("4","4","10","3","7","3","1") = "9"
    & skf18("4","4","10","3","7","4","1") = "9"
    & skf18("4","4","10","3","7","5","1") = "9"
    & skf18("4","4","10","3","7","6","1") = "9"
    & skf18("4","4","10","3","7","7","1") = "9"
    & skf18("4","4","10","3","7","8","1") = "9"
    & skf18("4","4","10","3","7","9","1") = "9"
    & skf18("4","4","10","3","7","10","1") = "9"
    & skf18("4","4","10","3","8","1","1") = "9"
    & skf18("4","4","10","3","8","2","1") = "9"
    & skf18("4","4","10","3","8","3","1") = "9"
    & skf18("4","4","10","3","8","4","1") = "9"
    & skf18("4","4","10","3","8","5","1") = "9"
    & skf18("4","4","10","3","8","6","1") = "9"
    & skf18("4","4","10","3","8","7","1") = "9"
    & skf18("4","4","10","3","8","8","1") = "9"
    & skf18("4","4","10","3","8","9","1") = "9"
    & skf18("4","4","10","3","8","10","1") = "9"
    & skf18("4","4","10","3","9","1","1") = "9"
    & skf18("4","4","10","3","9","2","1") = "9"
    & skf18("4","4","10","3","9","3","1") = "9"
    & skf18("4","4","10","3","9","4","1") = "9"
    & skf18("4","4","10","3","9","5","1") = "9"
    & skf18("4","4","10","3","9","6","1") = "9"
    & skf18("4","4","10","3","9","7","1") = "9"
    & skf18("4","4","10","3","9","8","1") = "9"
    & skf18("4","4","10","3","9","9","1") = "9"
    & skf18("4","4","10","3","9","10","1") = "9"
    & skf18("4","4","10","3","10","1","1") = "9"
    & skf18("4","4","10","3","10","2","1") = "9"
    & skf18("4","4","10","3","10","3","1") = "9"
    & skf18("4","4","10","3","10","4","1") = "9"
    & skf18("4","4","10","3","10","5","1") = "9"
    & skf18("4","4","10","3","10","6","1") = "9"
    & skf18("4","4","10","3","10","7","1") = "9"
    & skf18("4","4","10","3","10","8","1") = "9"
    & skf18("4","4","10","3","10","9","1") = "9"
    & skf18("4","4","10","3","10","10","1") = "9"
    & skf18("4","4","10","4","1","1","1") = "9"
    & skf18("4","4","10","4","1","2","1") = "9"
    & skf18("4","4","10","4","1","3","1") = "9"
    & skf18("4","4","10","4","1","4","1") = "9"
    & skf18("4","4","10","4","1","5","1") = "9"
    & skf18("4","4","10","4","1","6","1") = "9"
    & skf18("4","4","10","4","1","7","1") = "9"
    & skf18("4","4","10","4","1","8","1") = "9"
    & skf18("4","4","10","4","1","9","1") = "9"
    & skf18("4","4","10","4","1","10","1") = "9"
    & skf18("4","4","10","4","2","1","1") = "9"
    & skf18("4","4","10","4","2","2","1") = "9"
    & skf18("4","4","10","4","2","3","1") = "9"
    & skf18("4","4","10","4","2","4","1") = "9"
    & skf18("4","4","10","4","2","5","1") = "9"
    & skf18("4","4","10","4","2","6","1") = "9"
    & skf18("4","4","10","4","2","7","1") = "9"
    & skf18("4","4","10","4","2","8","1") = "9"
    & skf18("4","4","10","4","2","9","1") = "9"
    & skf18("4","4","10","4","2","10","1") = "9"
    & skf18("4","4","10","4","3","1","1") = "9"
    & skf18("4","4","10","4","3","2","1") = "9"
    & skf18("4","4","10","4","3","3","1") = "9"
    & skf18("4","4","10","4","3","4","1") = "9"
    & skf18("4","4","10","4","3","5","1") = "9"
    & skf18("4","4","10","4","3","6","1") = "9"
    & skf18("4","4","10","4","3","7","1") = "9"
    & skf18("4","4","10","4","3","8","1") = "9"
    & skf18("4","4","10","4","3","9","1") = "9"
    & skf18("4","4","10","4","3","10","1") = "9"
    & skf18("4","4","10","4","4","1","1") = "9"
    & skf18("4","4","10","4","4","2","1") = "9"
    & skf18("4","4","10","4","4","3","1") = "9"
    & skf18("4","4","10","4","4","4","1") = "9"
    & skf18("4","4","10","4","4","5","1") = "9"
    & skf18("4","4","10","4","4","6","1") = "9"
    & skf18("4","4","10","4","4","7","1") = "9"
    & skf18("4","4","10","4","4","8","1") = "9"
    & skf18("4","4","10","4","4","9","1") = "9"
    & skf18("4","4","10","4","4","10","1") = "9"
    & skf18("4","4","10","4","5","1","1") = "9"
    & skf18("4","4","10","4","5","2","1") = "9"
    & skf18("4","4","10","4","5","3","1") = "9"
    & skf18("4","4","10","4","5","4","1") = "9"
    & skf18("4","4","10","4","5","5","1") = "9"
    & skf18("4","4","10","4","5","6","1") = "9"
    & skf18("4","4","10","4","5","7","1") = "9"
    & skf18("4","4","10","4","5","8","1") = "9"
    & skf18("4","4","10","4","5","9","1") = "9"
    & skf18("4","4","10","4","5","10","1") = "9"
    & skf18("4","4","10","4","6","1","1") = "9"
    & skf18("4","4","10","4","6","2","1") = "9"
    & skf18("4","4","10","4","6","3","1") = "9"
    & skf18("4","4","10","4","6","4","1") = "9"
    & skf18("4","4","10","4","6","5","1") = "9"
    & skf18("4","4","10","4","6","6","1") = "9"
    & skf18("4","4","10","4","6","7","1") = "9"
    & skf18("4","4","10","4","6","8","1") = "9"
    & skf18("4","4","10","4","6","9","1") = "9"
    & skf18("4","4","10","4","6","10","1") = "9"
    & skf18("4","4","10","4","7","1","1") = "9"
    & skf18("4","4","10","4","7","2","1") = "9"
    & skf18("4","4","10","4","7","3","1") = "9"
    & skf18("4","4","10","4","7","4","1") = "9"
    & skf18("4","4","10","4","7","5","1") = "9"
    & skf18("4","4","10","4","7","6","1") = "9"
    & skf18("4","4","10","4","7","7","1") = "9"
    & skf18("4","4","10","4","7","8","1") = "9"
    & skf18("4","4","10","4","7","9","1") = "9"
    & skf18("4","4","10","4","7","10","1") = "9"
    & skf18("4","4","10","4","8","1","1") = "9"
    & skf18("4","4","10","4","8","2","1") = "9"
    & skf18("4","4","10","4","8","3","1") = "9"
    & skf18("4","4","10","4","8","4","1") = "9"
    & skf18("4","4","10","4","8","5","1") = "9"
    & skf18("4","4","10","4","8","6","1") = "9"
    & skf18("4","4","10","4","8","7","1") = "9"
    & skf18("4","4","10","4","8","8","1") = "9"
    & skf18("4","4","10","4","8","9","1") = "9"
    & skf18("4","4","10","4","8","10","1") = "9"
    & skf18("4","4","10","4","9","1","1") = "9"
    & skf18("4","4","10","4","9","2","1") = "9"
    & skf18("4","4","10","4","9","3","1") = "9"
    & skf18("4","4","10","4","9","4","1") = "9"
    & skf18("4","4","10","4","9","5","1") = "9"
    & skf18("4","4","10","4","9","6","1") = "9"
    & skf18("4","4","10","4","9","7","1") = "9"
    & skf18("4","4","10","4","9","8","1") = "9"
    & skf18("4","4","10","4","9","9","1") = "9"
    & skf18("4","4","10","4","9","10","1") = "9"
    & skf18("4","4","10","4","10","1","1") = "9"
    & skf18("4","4","10","4","10","2","1") = "9"
    & skf18("4","4","10","4","10","3","1") = "9"
    & skf18("4","4","10","4","10","4","1") = "9"
    & skf18("4","4","10","4","10","5","1") = "9"
    & skf18("4","4","10","4","10","6","1") = "9"
    & skf18("4","4","10","4","10","7","1") = "9"
    & skf18("4","4","10","4","10","8","1") = "9"
    & skf18("4","4","10","4","10","9","1") = "9"
    & skf18("4","4","10","4","10","10","1") = "9"
    & skf18("4","4","10","5","1","1","1") = "9"
    & skf18("4","4","10","5","1","2","1") = "9"
    & skf18("4","4","10","5","1","3","1") = "9"
    & skf18("4","4","10","5","1","4","1") = "9"
    & skf18("4","4","10","5","1","5","1") = "9"
    & skf18("4","4","10","5","1","6","1") = "9"
    & skf18("4","4","10","5","1","7","1") = "9"
    & skf18("4","4","10","5","1","8","1") = "9"
    & skf18("4","4","10","5","1","9","1") = "9"
    & skf18("4","4","10","5","1","10","1") = "9"
    & skf18("4","4","10","5","2","1","1") = "9"
    & skf18("4","4","10","5","2","2","1") = "9"
    & skf18("4","4","10","5","2","3","1") = "9"
    & skf18("4","4","10","5","2","4","1") = "9"
    & skf18("4","4","10","5","2","5","1") = "9"
    & skf18("4","4","10","5","2","6","1") = "9"
    & skf18("4","4","10","5","2","7","1") = "9"
    & skf18("4","4","10","5","2","8","1") = "9"
    & skf18("4","4","10","5","2","9","1") = "9"
    & skf18("4","4","10","5","2","10","1") = "9"
    & skf18("4","4","10","5","3","1","1") = "9"
    & skf18("4","4","10","5","3","2","1") = "9"
    & skf18("4","4","10","5","3","3","1") = "9"
    & skf18("4","4","10","5","3","4","1") = "9"
    & skf18("4","4","10","5","3","5","1") = "9"
    & skf18("4","4","10","5","3","6","1") = "9"
    & skf18("4","4","10","5","3","7","1") = "9"
    & skf18("4","4","10","5","3","8","1") = "9"
    & skf18("4","4","10","5","3","9","1") = "9"
    & skf18("4","4","10","5","3","10","1") = "9"
    & skf18("4","4","10","5","4","1","1") = "9"
    & skf18("4","4","10","5","4","2","1") = "9"
    & skf18("4","4","10","5","4","3","1") = "9"
    & skf18("4","4","10","5","4","4","1") = "9"
    & skf18("4","4","10","5","4","5","1") = "9"
    & skf18("4","4","10","5","4","6","1") = "9"
    & skf18("4","4","10","5","4","7","1") = "9"
    & skf18("4","4","10","5","4","8","1") = "9"
    & skf18("4","4","10","5","4","9","1") = "9"
    & skf18("4","4","10","5","4","10","1") = "9"
    & skf18("4","4","10","5","5","1","1") = "9"
    & skf18("4","4","10","5","5","2","1") = "9"
    & skf18("4","4","10","5","5","3","1") = "9"
    & skf18("4","4","10","5","5","4","1") = "9"
    & skf18("4","4","10","5","5","5","1") = "9"
    & skf18("4","4","10","5","5","6","1") = "9"
    & skf18("4","4","10","5","5","7","1") = "9"
    & skf18("4","4","10","5","5","8","1") = "9"
    & skf18("4","4","10","5","5","9","1") = "9"
    & skf18("4","4","10","5","5","10","1") = "9"
    & skf18("4","4","10","5","6","1","1") = "9"
    & skf18("4","4","10","5","6","2","1") = "9"
    & skf18("4","4","10","5","6","3","1") = "9"
    & skf18("4","4","10","5","6","4","1") = "9"
    & skf18("4","4","10","5","6","5","1") = "9"
    & skf18("4","4","10","5","6","6","1") = "9"
    & skf18("4","4","10","5","6","7","1") = "9"
    & skf18("4","4","10","5","6","8","1") = "9"
    & skf18("4","4","10","5","6","9","1") = "9"
    & skf18("4","4","10","5","6","10","1") = "9"
    & skf18("4","4","10","5","7","1","1") = "9"
    & skf18("4","4","10","5","7","2","1") = "9"
    & skf18("4","4","10","5","7","3","1") = "9"
    & skf18("4","4","10","5","7","4","1") = "9"
    & skf18("4","4","10","5","7","5","1") = "9"
    & skf18("4","4","10","5","7","6","1") = "9"
    & skf18("4","4","10","5","7","7","1") = "9"
    & skf18("4","4","10","5","7","8","1") = "9"
    & skf18("4","4","10","5","7","9","1") = "9"
    & skf18("4","4","10","5","7","10","1") = "9"
    & skf18("4","4","10","5","8","1","1") = "9"
    & skf18("4","4","10","5","8","2","1") = "9"
    & skf18("4","4","10","5","8","3","1") = "9"
    & skf18("4","4","10","5","8","4","1") = "9"
    & skf18("4","4","10","5","8","5","1") = "9"
    & skf18("4","4","10","5","8","6","1") = "9"
    & skf18("4","4","10","5","8","7","1") = "9"
    & skf18("4","4","10","5","8","8","1") = "9"
    & skf18("4","4","10","5","8","9","1") = "9"
    & skf18("4","4","10","5","8","10","1") = "9"
    & skf18("4","4","10","5","9","1","1") = "9"
    & skf18("4","4","10","5","9","2","1") = "9"
    & skf18("4","4","10","5","9","3","1") = "9"
    & skf18("4","4","10","5","9","4","1") = "9"
    & skf18("4","4","10","5","9","5","1") = "9"
    & skf18("4","4","10","5","9","6","1") = "9"
    & skf18("4","4","10","5","9","7","1") = "9"
    & skf18("4","4","10","5","9","8","1") = "9"
    & skf18("4","4","10","5","9","9","1") = "9"
    & skf18("4","4","10","5","9","10","1") = "9"
    & skf18("4","4","10","5","10","1","1") = "9"
    & skf18("4","4","10","5","10","2","1") = "9"
    & skf18("4","4","10","5","10","3","1") = "9"
    & skf18("4","4","10","5","10","4","1") = "9"
    & skf18("4","4","10","5","10","5","1") = "9"
    & skf18("4","4","10","5","10","6","1") = "9"
    & skf18("4","4","10","5","10","7","1") = "9"
    & skf18("4","4","10","5","10","8","1") = "9"
    & skf18("4","4","10","5","10","9","1") = "9"
    & skf18("4","4","10","5","10","10","1") = "9"
    & skf18("4","4","10","6","1","1","1") = "9"
    & skf18("4","4","10","6","1","2","1") = "9"
    & skf18("4","4","10","6","1","3","1") = "9"
    & skf18("4","4","10","6","1","4","1") = "9"
    & skf18("4","4","10","6","1","5","1") = "9"
    & skf18("4","4","10","6","1","6","1") = "9"
    & skf18("4","4","10","6","1","7","1") = "9"
    & skf18("4","4","10","6","1","8","1") = "9"
    & skf18("4","4","10","6","1","9","1") = "9"
    & skf18("4","4","10","6","1","10","1") = "9"
    & skf18("4","4","10","6","2","1","1") = "9"
    & skf18("4","4","10","6","2","2","1") = "9"
    & skf18("4","4","10","6","2","3","1") = "9"
    & skf18("4","4","10","6","2","4","1") = "9"
    & skf18("4","4","10","6","2","5","1") = "9"
    & skf18("4","4","10","6","2","6","1") = "9"
    & skf18("4","4","10","6","2","7","1") = "9"
    & skf18("4","4","10","6","2","8","1") = "9"
    & skf18("4","4","10","6","2","9","1") = "9"
    & skf18("4","4","10","6","2","10","1") = "9"
    & skf18("4","4","10","6","3","1","1") = "9"
    & skf18("4","4","10","6","3","2","1") = "9"
    & skf18("4","4","10","6","3","3","1") = "9"
    & skf18("4","4","10","6","3","4","1") = "9"
    & skf18("4","4","10","6","3","5","1") = "9"
    & skf18("4","4","10","6","3","6","1") = "9"
    & skf18("4","4","10","6","3","7","1") = "9"
    & skf18("4","4","10","6","3","8","1") = "9"
    & skf18("4","4","10","6","3","9","1") = "9"
    & skf18("4","4","10","6","3","10","1") = "9"
    & skf18("4","4","10","6","4","1","1") = "9"
    & skf18("4","4","10","6","4","2","1") = "9"
    & skf18("4","4","10","6","4","3","1") = "9"
    & skf18("4","4","10","6","4","4","1") = "9"
    & skf18("4","4","10","6","4","5","1") = "9"
    & skf18("4","4","10","6","4","6","1") = "9"
    & skf18("4","4","10","6","4","7","1") = "9"
    & skf18("4","4","10","6","4","8","1") = "9"
    & skf18("4","4","10","6","4","9","1") = "9"
    & skf18("4","4","10","6","4","10","1") = "9"
    & skf18("4","4","10","6","5","1","1") = "9"
    & skf18("4","4","10","6","5","2","1") = "9"
    & skf18("4","4","10","6","5","3","1") = "9"
    & skf18("4","4","10","6","5","4","1") = "9"
    & skf18("4","4","10","6","5","5","1") = "9"
    & skf18("4","4","10","6","5","6","1") = "9"
    & skf18("4","4","10","6","5","7","1") = "9"
    & skf18("4","4","10","6","5","8","1") = "9"
    & skf18("4","4","10","6","5","9","1") = "9"
    & skf18("4","4","10","6","5","10","1") = "9"
    & skf18("4","4","10","6","6","1","1") = "9"
    & skf18("4","4","10","6","6","2","1") = "9"
    & skf18("4","4","10","6","6","3","1") = "9"
    & skf18("4","4","10","6","6","4","1") = "9"
    & skf18("4","4","10","6","6","5","1") = "9"
    & skf18("4","4","10","6","6","6","1") = "9"
    & skf18("4","4","10","6","6","7","1") = "9"
    & skf18("4","4","10","6","6","8","1") = "9"
    & skf18("4","4","10","6","6","9","1") = "9"
    & skf18("4","4","10","6","6","10","1") = "9"
    & skf18("4","4","10","6","7","1","1") = "9"
    & skf18("4","4","10","6","7","2","1") = "9"
    & skf18("4","4","10","6","7","3","1") = "9"
    & skf18("4","4","10","6","7","4","1") = "9"
    & skf18("4","4","10","6","7","5","1") = "9"
    & skf18("4","4","10","6","7","6","1") = "9"
    & skf18("4","4","10","6","7","7","1") = "9"
    & skf18("4","4","10","6","7","8","1") = "9"
    & skf18("4","4","10","6","7","9","1") = "9"
    & skf18("4","4","10","6","7","10","1") = "9"
    & skf18("4","4","10","6","8","1","1") = "9"
    & skf18("4","4","10","6","8","2","1") = "9"
    & skf18("4","4","10","6","8","3","1") = "9"
    & skf18("4","4","10","6","8","4","1") = "9"
    & skf18("4","4","10","6","8","5","1") = "9"
    & skf18("4","4","10","6","8","6","1") = "9"
    & skf18("4","4","10","6","8","7","1") = "9"
    & skf18("4","4","10","6","8","8","1") = "9"
    & skf18("4","4","10","6","8","9","1") = "9"
    & skf18("4","4","10","6","8","10","1") = "9"
    & skf18("4","4","10","6","9","1","1") = "9"
    & skf18("4","4","10","6","9","2","1") = "9"
    & skf18("4","4","10","6","9","3","1") = "9"
    & skf18("4","4","10","6","9","4","1") = "9"
    & skf18("4","4","10","6","9","5","1") = "9"
    & skf18("4","4","10","6","9","6","1") = "9"
    & skf18("4","4","10","6","9","7","1") = "9"
    & skf18("4","4","10","6","9","8","1") = "9"
    & skf18("4","4","10","6","9","9","1") = "9"
    & skf18("4","4","10","6","9","10","1") = "9"
    & skf18("4","4","10","6","10","1","1") = "9"
    & skf18("4","4","10","6","10","2","1") = "9"
    & skf18("4","4","10","6","10","3","1") = "9"
    & skf18("4","4","10","6","10","4","1") = "9"
    & skf18("4","4","10","6","10","5","1") = "9"
    & skf18("4","4","10","6","10","6","1") = "9"
    & skf18("4","4","10","6","10","7","1") = "9"
    & skf18("4","4","10","6","10","8","1") = "9"
    & skf18("4","4","10","6","10","9","1") = "9"
    & skf18("4","4","10","6","10","10","1") = "9"
    & skf18("4","4","10","7","1","1","1") = "9"
    & skf18("4","4","10","7","1","2","1") = "9"
    & skf18("4","4","10","7","1","3","1") = "9"
    & skf18("4","4","10","7","1","4","1") = "9"
    & skf18("4","4","10","7","1","5","1") = "9"
    & skf18("4","4","10","7","1","6","1") = "9"
    & skf18("4","4","10","7","1","7","1") = "9"
    & skf18("4","4","10","7","1","8","1") = "9"
    & skf18("4","4","10","7","1","9","1") = "9"
    & skf18("4","4","10","7","1","10","1") = "9"
    & skf18("4","4","10","7","2","1","1") = "9"
    & skf18("4","4","10","7","2","2","1") = "9"
    & skf18("4","4","10","7","2","3","1") = "9"
    & skf18("4","4","10","7","2","4","1") = "9"
    & skf18("4","4","10","7","2","5","1") = "9"
    & skf18("4","4","10","7","2","6","1") = "9"
    & skf18("4","4","10","7","2","7","1") = "9"
    & skf18("4","4","10","7","2","8","1") = "9"
    & skf18("4","4","10","7","2","9","1") = "9"
    & skf18("4","4","10","7","2","10","1") = "9"
    & skf18("4","4","10","7","3","1","1") = "9"
    & skf18("4","4","10","7","3","2","1") = "9"
    & skf18("4","4","10","7","3","3","1") = "9"
    & skf18("4","4","10","7","3","4","1") = "9"
    & skf18("4","4","10","7","3","5","1") = "9"
    & skf18("4","4","10","7","3","6","1") = "9"
    & skf18("4","4","10","7","3","7","1") = "9"
    & skf18("4","4","10","7","3","8","1") = "9"
    & skf18("4","4","10","7","3","9","1") = "9"
    & skf18("4","4","10","7","3","10","1") = "9"
    & skf18("4","4","10","7","4","1","1") = "9"
    & skf18("4","4","10","7","4","2","1") = "9"
    & skf18("4","4","10","7","4","3","1") = "9"
    & skf18("4","4","10","7","4","4","1") = "9"
    & skf18("4","4","10","7","4","5","1") = "9"
    & skf18("4","4","10","7","4","6","1") = "9"
    & skf18("4","4","10","7","4","7","1") = "9"
    & skf18("4","4","10","7","4","8","1") = "9"
    & skf18("4","4","10","7","4","9","1") = "9"
    & skf18("4","4","10","7","4","10","1") = "9"
    & skf18("4","4","10","7","5","1","1") = "9"
    & skf18("4","4","10","7","5","2","1") = "9"
    & skf18("4","4","10","7","5","3","1") = "9"
    & skf18("4","4","10","7","5","4","1") = "9"
    & skf18("4","4","10","7","5","5","1") = "9"
    & skf18("4","4","10","7","5","6","1") = "9"
    & skf18("4","4","10","7","5","7","1") = "9"
    & skf18("4","4","10","7","5","8","1") = "9"
    & skf18("4","4","10","7","5","9","1") = "9"
    & skf18("4","4","10","7","5","10","1") = "9"
    & skf18("4","4","10","7","6","1","1") = "9"
    & skf18("4","4","10","7","6","2","1") = "9"
    & skf18("4","4","10","7","6","3","1") = "9"
    & skf18("4","4","10","7","6","4","1") = "9"
    & skf18("4","4","10","7","6","5","1") = "9"
    & skf18("4","4","10","7","6","6","1") = "9"
    & skf18("4","4","10","7","6","7","1") = "9"
    & skf18("4","4","10","7","6","8","1") = "9"
    & skf18("4","4","10","7","6","9","1") = "9"
    & skf18("4","4","10","7","6","10","1") = "9"
    & skf18("4","4","10","7","7","1","1") = "9"
    & skf18("4","4","10","7","7","2","1") = "9"
    & skf18("4","4","10","7","7","3","1") = "9"
    & skf18("4","4","10","7","7","4","1") = "9"
    & skf18("4","4","10","7","7","5","1") = "9"
    & skf18("4","4","10","7","7","6","1") = "9"
    & skf18("4","4","10","7","7","7","1") = "9"
    & skf18("4","4","10","7","7","8","1") = "9"
    & skf18("4","4","10","7","7","9","1") = "9"
    & skf18("4","4","10","7","7","10","1") = "9"
    & skf18("4","4","10","7","8","1","1") = "9"
    & skf18("4","4","10","7","8","2","1") = "9"
    & skf18("4","4","10","7","8","3","1") = "9"
    & skf18("4","4","10","7","8","4","1") = "9"
    & skf18("4","4","10","7","8","5","1") = "9"
    & skf18("4","4","10","7","8","6","1") = "9"
    & skf18("4","4","10","7","8","7","1") = "9"
    & skf18("4","4","10","7","8","8","1") = "9"
    & skf18("4","4","10","7","8","9","1") = "9"
    & skf18("4","4","10","7","8","10","1") = "9"
    & skf18("4","4","10","7","9","1","1") = "9"
    & skf18("4","4","10","7","9","2","1") = "9"
    & skf18("4","4","10","7","9","3","1") = "9"
    & skf18("4","4","10","7","9","4","1") = "9"
    & skf18("4","4","10","7","9","5","1") = "9"
    & skf18("4","4","10","7","9","6","1") = "9"
    & skf18("4","4","10","7","9","7","1") = "9"
    & skf18("4","4","10","7","9","8","1") = "9"
    & skf18("4","4","10","7","9","9","1") = "9"
    & skf18("4","4","10","7","9","10","1") = "9"
    & skf18("4","4","10","7","10","1","1") = "9"
    & skf18("4","4","10","7","10","2","1") = "9"
    & skf18("4","4","10","7","10","3","1") = "9"
    & skf18("4","4","10","7","10","4","1") = "9"
    & skf18("4","4","10","7","10","5","1") = "9"
    & skf18("4","4","10","7","10","6","1") = "9"
    & skf18("4","4","10","7","10","7","1") = "9"
    & skf18("4","4","10","7","10","8","1") = "9"
    & skf18("4","4","10","7","10","9","1") = "9"
    & skf18("4","4","10","7","10","10","1") = "9"
    & skf18("4","4","10","8","1","1","1") = "9"
    & skf18("4","4","10","8","1","2","1") = "9"
    & skf18("4","4","10","8","1","3","1") = "9"
    & skf18("4","4","10","8","1","4","1") = "9"
    & skf18("4","4","10","8","1","5","1") = "9"
    & skf18("4","4","10","8","1","6","1") = "9"
    & skf18("4","4","10","8","1","7","1") = "9"
    & skf18("4","4","10","8","1","8","1") = "9"
    & skf18("4","4","10","8","1","9","1") = "9"
    & skf18("4","4","10","8","1","10","1") = "9"
    & skf18("4","4","10","8","2","1","1") = "9"
    & skf18("4","4","10","8","2","2","1") = "9"
    & skf18("4","4","10","8","2","3","1") = "9"
    & skf18("4","4","10","8","2","4","1") = "9"
    & skf18("4","4","10","8","2","5","1") = "9"
    & skf18("4","4","10","8","2","6","1") = "9"
    & skf18("4","4","10","8","2","7","1") = "9"
    & skf18("4","4","10","8","2","8","1") = "9"
    & skf18("4","4","10","8","2","9","1") = "9"
    & skf18("4","4","10","8","2","10","1") = "9"
    & skf18("4","4","10","8","3","1","1") = "9"
    & skf18("4","4","10","8","3","2","1") = "9"
    & skf18("4","4","10","8","3","3","1") = "9"
    & skf18("4","4","10","8","3","4","1") = "9"
    & skf18("4","4","10","8","3","5","1") = "9"
    & skf18("4","4","10","8","3","6","1") = "9"
    & skf18("4","4","10","8","3","7","1") = "9"
    & skf18("4","4","10","8","3","8","1") = "9"
    & skf18("4","4","10","8","3","9","1") = "9"
    & skf18("4","4","10","8","3","10","1") = "9"
    & skf18("4","4","10","8","4","1","1") = "9"
    & skf18("4","4","10","8","4","2","1") = "9"
    & skf18("4","4","10","8","4","3","1") = "9"
    & skf18("4","4","10","8","4","4","1") = "9"
    & skf18("4","4","10","8","4","5","1") = "9"
    & skf18("4","4","10","8","4","6","1") = "9"
    & skf18("4","4","10","8","4","7","1") = "9"
    & skf18("4","4","10","8","4","8","1") = "9"
    & skf18("4","4","10","8","4","9","1") = "9"
    & skf18("4","4","10","8","4","10","1") = "9"
    & skf18("4","4","10","8","5","1","1") = "9"
    & skf18("4","4","10","8","5","2","1") = "9"
    & skf18("4","4","10","8","5","3","1") = "9"
    & skf18("4","4","10","8","5","4","1") = "9"
    & skf18("4","4","10","8","5","5","1") = "9"
    & skf18("4","4","10","8","5","6","1") = "9"
    & skf18("4","4","10","8","5","7","1") = "9"
    & skf18("4","4","10","8","5","8","1") = "9"
    & skf18("4","4","10","8","5","9","1") = "9"
    & skf18("4","4","10","8","5","10","1") = "9"
    & skf18("4","4","10","8","6","1","1") = "9"
    & skf18("4","4","10","8","6","2","1") = "9"
    & skf18("4","4","10","8","6","3","1") = "9"
    & skf18("4","4","10","8","6","4","1") = "9"
    & skf18("4","4","10","8","6","5","1") = "9"
    & skf18("4","4","10","8","6","6","1") = "9"
    & skf18("4","4","10","8","6","7","1") = "9"
    & skf18("4","4","10","8","6","8","1") = "9"
    & skf18("4","4","10","8","6","9","1") = "9"
    & skf18("4","4","10","8","6","10","1") = "9"
    & skf18("4","4","10","8","7","1","1") = "9"
    & skf18("4","4","10","8","7","2","1") = "9"
    & skf18("4","4","10","8","7","3","1") = "9"
    & skf18("4","4","10","8","7","4","1") = "9"
    & skf18("4","4","10","8","7","5","1") = "9"
    & skf18("4","4","10","8","7","6","1") = "9"
    & skf18("4","4","10","8","7","7","1") = "9"
    & skf18("4","4","10","8","7","8","1") = "9"
    & skf18("4","4","10","8","7","9","1") = "9"
    & skf18("4","4","10","8","7","10","1") = "9"
    & skf18("4","4","10","8","8","1","1") = "9"
    & skf18("4","4","10","8","8","2","1") = "9"
    & skf18("4","4","10","8","8","3","1") = "9"
    & skf18("4","4","10","8","8","4","1") = "9"
    & skf18("4","4","10","8","8","5","1") = "9"
    & skf18("4","4","10","8","8","6","1") = "9"
    & skf18("4","4","10","8","8","7","1") = "9"
    & skf18("4","4","10","8","8","8","1") = "9"
    & skf18("4","4","10","8","8","9","1") = "9"
    & skf18("4","4","10","8","8","10","1") = "9"
    & skf18("4","4","10","8","9","1","1") = "9"
    & skf18("4","4","10","8","9","2","1") = "9"
    & skf18("4","4","10","8","9","3","1") = "9"
    & skf18("4","4","10","8","9","4","1") = "9"
    & skf18("4","4","10","8","9","5","1") = "9"
    & skf18("4","4","10","8","9","6","1") = "9"
    & skf18("4","4","10","8","9","7","1") = "9"
    & skf18("4","4","10","8","9","8","1") = "9"
    & skf18("4","4","10","8","9","9","1") = "9"
    & skf18("4","4","10","8","9","10","1") = "9"
    & skf18("4","4","10","8","10","1","1") = "9"
    & skf18("4","4","10","8","10","2","1") = "9"
    & skf18("4","4","10","8","10","3","1") = "9"
    & skf18("4","4","10","8","10","4","1") = "9"
    & skf18("4","4","10","8","10","5","1") = "9"
    & skf18("4","4","10","8","10","6","1") = "9"
    & skf18("4","4","10","8","10","7","1") = "9"
    & skf18("4","4","10","8","10","8","1") = "9"
    & skf18("4","4","10","8","10","9","1") = "9"
    & skf18("4","4","10","8","10","10","1") = "9"
    & skf18("4","4","10","9","1","1","1") = "9"
    & skf18("4","4","10","9","1","2","1") = "9"
    & skf18("4","4","10","9","1","3","1") = "9"
    & skf18("4","4","10","9","1","4","1") = "9"
    & skf18("4","4","10","9","1","5","1") = "9"
    & skf18("4","4","10","9","1","6","1") = "9"
    & skf18("4","4","10","9","1","7","1") = "9"
    & skf18("4","4","10","9","1","8","1") = "9"
    & skf18("4","4","10","9","1","9","1") = "9"
    & skf18("4","4","10","9","1","10","1") = "9"
    & skf18("4","4","10","9","2","1","1") = "9"
    & skf18("4","4","10","9","2","2","1") = "9"
    & skf18("4","4","10","9","2","3","1") = "9"
    & skf18("4","4","10","9","2","4","1") = "9"
    & skf18("4","4","10","9","2","5","1") = "9"
    & skf18("4","4","10","9","2","6","1") = "9"
    & skf18("4","4","10","9","2","7","1") = "9"
    & skf18("4","4","10","9","2","8","1") = "9"
    & skf18("4","4","10","9","2","9","1") = "9"
    & skf18("4","4","10","9","2","10","1") = "9"
    & skf18("4","4","10","9","3","1","1") = "9"
    & skf18("4","4","10","9","3","2","1") = "9"
    & skf18("4","4","10","9","3","3","1") = "9"
    & skf18("4","4","10","9","3","4","1") = "9"
    & skf18("4","4","10","9","3","5","1") = "9"
    & skf18("4","4","10","9","3","6","1") = "9"
    & skf18("4","4","10","9","3","7","1") = "9"
    & skf18("4","4","10","9","3","8","1") = "9"
    & skf18("4","4","10","9","3","9","1") = "9"
    & skf18("4","4","10","9","3","10","1") = "9"
    & skf18("4","4","10","9","4","1","1") = "9"
    & skf18("4","4","10","9","4","2","1") = "9"
    & skf18("4","4","10","9","4","3","1") = "9"
    & skf18("4","4","10","9","4","4","1") = "9"
    & skf18("4","4","10","9","4","5","1") = "9"
    & skf18("4","4","10","9","4","6","1") = "9"
    & skf18("4","4","10","9","4","7","1") = "9"
    & skf18("4","4","10","9","4","8","1") = "9"
    & skf18("4","4","10","9","4","9","1") = "9"
    & skf18("4","4","10","9","4","10","1") = "9"
    & skf18("4","4","10","9","5","1","1") = "9"
    & skf18("4","4","10","9","5","2","1") = "9"
    & skf18("4","4","10","9","5","3","1") = "9"
    & skf18("4","4","10","9","5","4","1") = "9"
    & skf18("4","4","10","9","5","5","1") = "9"
    & skf18("4","4","10","9","5","6","1") = "9"
    & skf18("4","4","10","9","5","7","1") = "9"
    & skf18("4","4","10","9","5","8","1") = "9"
    & skf18("4","4","10","9","5","9","1") = "9"
    & skf18("4","4","10","9","5","10","1") = "9"
    & skf18("4","4","10","9","6","1","1") = "9"
    & skf18("4","4","10","9","6","2","1") = "9"
    & skf18("4","4","10","9","6","3","1") = "9"
    & skf18("4","4","10","9","6","4","1") = "9"
    & skf18("4","4","10","9","6","5","1") = "9"
    & skf18("4","4","10","9","6","6","1") = "9"
    & skf18("4","4","10","9","6","7","1") = "9"
    & skf18("4","4","10","9","6","8","1") = "9"
    & skf18("4","4","10","9","6","9","1") = "9"
    & skf18("4","4","10","9","6","10","1") = "9"
    & skf18("4","4","10","9","7","1","1") = "9"
    & skf18("4","4","10","9","7","2","1") = "9"
    & skf18("4","4","10","9","7","3","1") = "9"
    & skf18("4","4","10","9","7","4","1") = "9"
    & skf18("4","4","10","9","7","5","1") = "9"
    & skf18("4","4","10","9","7","6","1") = "9"
    & skf18("4","4","10","9","7","7","1") = "9"
    & skf18("4","4","10","9","7","8","1") = "9"
    & skf18("4","4","10","9","7","9","1") = "9"
    & skf18("4","4","10","9","7","10","1") = "9"
    & skf18("4","4","10","9","8","1","1") = "9"
    & skf18("4","4","10","9","8","2","1") = "9"
    & skf18("4","4","10","9","8","3","1") = "9"
    & skf18("4","4","10","9","8","4","1") = "9"
    & skf18("4","4","10","9","8","5","1") = "9"
    & skf18("4","4","10","9","8","6","1") = "9"
    & skf18("4","4","10","9","8","7","1") = "9"
    & skf18("4","4","10","9","8","8","1") = "9"
    & skf18("4","4","10","9","8","9","1") = "9"
    & skf18("4","4","10","9","8","10","1") = "9"
    & skf18("4","4","10","9","9","1","1") = "9"
    & skf18("4","4","10","9","9","2","1") = "9"
    & skf18("4","4","10","9","9","3","1") = "9"
    & skf18("4","4","10","9","9","4","1") = "9"
    & skf18("4","4","10","9","9","5","1") = "9"
    & skf18("4","4","10","9","9","6","1") = "9"
    & skf18("4","4","10","9","9","7","1") = "9"
    & skf18("4","4","10","9","9","8","1") = "9"
    & skf18("4","4","10","9","9","9","1") = "9"
    & skf18("4","4","10","9","9","10","1") = "9"
    & skf18("4","4","10","9","10","1","1") = "9"
    & skf18("4","4","10","9","10","2","1") = "9"
    & skf18("4","4","10","9","10","3","1") = "9"
    & skf18("4","4","10","9","10","4","1") = "9"
    & skf18("4","4","10","9","10","5","1") = "9"
    & skf18("4","4","10","9","10","6","1") = "9"
    & skf18("4","4","10","9","10","7","1") = "9"
    & skf18("4","4","10","9","10","8","1") = "9"
    & skf18("4","4","10","9","10","9","1") = "9"
    & skf18("4","4","10","9","10","10","1") = "9"
    & skf18("4","4","10","10","1","1","1") = "9"
    & skf18("4","4","10","10","1","2","1") = "9"
    & skf18("4","4","10","10","1","3","1") = "9"
    & skf18("4","4","10","10","1","4","1") = "9"
    & skf18("4","4","10","10","1","5","1") = "9"
    & skf18("4","4","10","10","1","6","1") = "9"
    & skf18("4","4","10","10","1","7","1") = "9"
    & skf18("4","4","10","10","1","8","1") = "9"
    & skf18("4","4","10","10","1","9","1") = "9"
    & skf18("4","4","10","10","1","10","1") = "9"
    & skf18("4","4","10","10","2","1","1") = "9"
    & skf18("4","4","10","10","2","2","1") = "9"
    & skf18("4","4","10","10","2","3","1") = "9"
    & skf18("4","4","10","10","2","4","1") = "9"
    & skf18("4","4","10","10","2","5","1") = "9"
    & skf18("4","4","10","10","2","6","1") = "9"
    & skf18("4","4","10","10","2","7","1") = "9"
    & skf18("4","4","10","10","2","8","1") = "9"
    & skf18("4","4","10","10","2","9","1") = "9"
    & skf18("4","4","10","10","2","10","1") = "9"
    & skf18("4","4","10","10","3","1","1") = "9"
    & skf18("4","4","10","10","3","2","1") = "9"
    & skf18("4","4","10","10","3","3","1") = "9"
    & skf18("4","4","10","10","3","4","1") = "9"
    & skf18("4","4","10","10","3","5","1") = "9"
    & skf18("4","4","10","10","3","6","1") = "9"
    & skf18("4","4","10","10","3","7","1") = "9"
    & skf18("4","4","10","10","3","8","1") = "9"
    & skf18("4","4","10","10","3","9","1") = "9"
    & skf18("4","4","10","10","3","10","1") = "9"
    & skf18("4","4","10","10","4","1","1") = "9"
    & skf18("4","4","10","10","4","2","1") = "9"
    & skf18("4","4","10","10","4","3","1") = "9"
    & skf18("4","4","10","10","4","4","1") = "9"
    & skf18("4","4","10","10","4","5","1") = "9"
    & skf18("4","4","10","10","4","6","1") = "9"
    & skf18("4","4","10","10","4","7","1") = "9"
    & skf18("4","4","10","10","4","8","1") = "9"
    & skf18("4","4","10","10","4","9","1") = "9"
    & skf18("4","4","10","10","4","10","1") = "9"
    & skf18("4","4","10","10","5","1","1") = "9"
    & skf18("4","4","10","10","5","2","1") = "9"
    & skf18("4","4","10","10","5","3","1") = "9"
    & skf18("4","4","10","10","5","4","1") = "9"
    & skf18("4","4","10","10","5","5","1") = "9"
    & skf18("4","4","10","10","5","6","1") = "9"
    & skf18("4","4","10","10","5","7","1") = "9"
    & skf18("4","4","10","10","5","8","1") = "9"
    & skf18("4","4","10","10","5","9","1") = "9"
    & skf18("4","4","10","10","5","10","1") = "9"
    & skf18("4","4","10","10","6","1","1") = "9"
    & skf18("4","4","10","10","6","2","1") = "9"
    & skf18("4","4","10","10","6","3","1") = "9"
    & skf18("4","4","10","10","6","4","1") = "9"
    & skf18("4","4","10","10","6","5","1") = "9"
    & skf18("4","4","10","10","6","6","1") = "9"
    & skf18("4","4","10","10","6","7","1") = "9"
    & skf18("4","4","10","10","6","8","1") = "9"
    & skf18("4","4","10","10","6","9","1") = "9"
    & skf18("4","4","10","10","6","10","1") = "9"
    & skf18("4","4","10","10","7","1","1") = "9"
    & skf18("4","4","10","10","7","2","1") = "9"
    & skf18("4","4","10","10","7","3","1") = "9"
    & skf18("4","4","10","10","7","4","1") = "9"
    & skf18("4","4","10","10","7","5","1") = "9"
    & skf18("4","4","10","10","7","6","1") = "9"
    & skf18("4","4","10","10","7","7","1") = "9"
    & skf18("4","4","10","10","7","8","1") = "9"
    & skf18("4","4","10","10","7","9","1") = "9"
    & skf18("4","4","10","10","7","10","1") = "9"
    & skf18("4","4","10","10","8","1","1") = "9"
    & skf18("4","4","10","10","8","2","1") = "9"
    & skf18("4","4","10","10","8","3","1") = "9"
    & skf18("4","4","10","10","8","4","1") = "9"
    & skf18("4","4","10","10","8","5","1") = "9"
    & skf18("4","4","10","10","8","6","1") = "9"
    & skf18("4","4","10","10","8","7","1") = "9"
    & skf18("4","4","10","10","8","8","1") = "9"
    & skf18("4","4","10","10","8","9","1") = "9"
    & skf18("4","4","10","10","8","10","1") = "9"
    & skf18("4","4","10","10","9","1","1") = "9"
    & skf18("4","4","10","10","9","2","1") = "9"
    & skf18("4","4","10","10","9","3","1") = "9"
    & skf18("4","4","10","10","9","4","1") = "9"
    & skf18("4","4","10","10","9","5","1") = "9"
    & skf18("4","4","10","10","9","6","1") = "9"
    & skf18("4","4","10","10","9","7","1") = "9"
    & skf18("4","4","10","10","9","8","1") = "9"
    & skf18("4","4","10","10","9","9","1") = "9"
    & skf18("4","4","10","10","9","10","1") = "9"
    & skf18("4","4","10","10","10","1","1") = "9"
    & skf18("4","4","10","10","10","2","1") = "9"
    & skf18("4","4","10","10","10","3","1") = "9"
    & skf18("4","4","10","10","10","4","1") = "9"
    & skf18("4","4","10","10","10","5","1") = "9"
    & skf18("4","4","10","10","10","6","1") = "9"
    & skf18("4","4","10","10","10","7","1") = "9"
    & skf18("4","4","10","10","10","8","1") = "9"
    & skf18("4","4","10","10","10","9","1") = "9"
    & skf18("4","4","10","10","10","10","1") = "9"
    & skf18("4","5","1","1","1","1","1") = "4"
    & skf18("4","5","1","1","1","2","1") = "4"
    & skf18("4","5","1","1","1","3","1") = "4"
    & skf18("4","5","1","1","1","4","1") = "4"
    & skf18("4","5","1","1","1","5","1") = "4"
    & skf18("4","5","1","1","1","6","1") = "5"
    & skf18("4","5","1","1","1","7","1") = "6"
    & skf18("4","5","1","1","1","8","1") = "7"
    & skf18("4","5","1","1","1","9","1") = "8"
    & skf18("4","5","1","1","1","10","1") = "9"
    & skf18("4","5","1","1","2","1","1") = "4"
    & skf18("4","5","1","1","2","2","1") = "4"
    & skf18("4","5","1","1","2","3","1") = "4"
    & skf18("4","5","1","1","2","4","1") = "4"
    & skf18("4","5","1","1","2","5","1") = "4"
    & skf18("4","5","1","1","2","6","1") = "5"
    & skf18("4","5","1","1","2","7","1") = "6"
    & skf18("4","5","1","1","2","8","1") = "7"
    & skf18("4","5","1","1","2","9","1") = "8"
    & skf18("4","5","1","1","2","10","1") = "9"
    & skf18("4","5","1","1","3","1","1") = "4"
    & skf18("4","5","1","1","3","2","1") = "4"
    & skf18("4","5","1","1","3","3","1") = "4"
    & skf18("4","5","1","1","3","4","1") = "4"
    & skf18("4","5","1","1","3","5","1") = "4"
    & skf18("4","5","1","1","3","6","1") = "5"
    & skf18("4","5","1","1","3","7","1") = "6"
    & skf18("4","5","1","1","3","8","1") = "7"
    & skf18("4","5","1","1","3","9","1") = "8"
    & skf18("4","5","1","1","3","10","1") = "9"
    & skf18("4","5","1","1","4","1","1") = "4"
    & skf18("4","5","1","1","4","2","1") = "4"
    & skf18("4","5","1","1","4","3","1") = "4"
    & skf18("4","5","1","1","4","4","1") = "4"
    & skf18("4","5","1","1","4","5","1") = "4"
    & skf18("4","5","1","1","4","6","1") = "5"
    & skf18("4","5","1","1","4","7","1") = "6"
    & skf18("4","5","1","1","4","8","1") = "7"
    & skf18("4","5","1","1","4","9","1") = "8"
    & skf18("4","5","1","1","4","10","1") = "9"
    & skf18("4","5","1","1","5","1","1") = "4"
    & skf18("4","5","1","1","5","2","1") = "4"
    & skf18("4","5","1","1","5","3","1") = "4"
    & skf18("4","5","1","1","5","4","1") = "4"
    & skf18("4","5","1","1","5","5","1") = "4"
    & skf18("4","5","1","1","5","6","1") = "5"
    & skf18("4","5","1","1","5","7","1") = "6"
    & skf18("4","5","1","1","5","8","1") = "7"
    & skf18("4","5","1","1","5","9","1") = "8"
    & skf18("4","5","1","1","5","10","1") = "9"
    & skf18("4","5","1","1","6","1","1") = "5"
    & skf18("4","5","1","1","6","2","1") = "5"
    & skf18("4","5","1","1","6","3","1") = "5"
    & skf18("4","5","1","1","6","4","1") = "5"
    & skf18("4","5","1","1","6","5","1") = "5"
    & skf18("4","5","1","1","6","6","1") = "5"
    & skf18("4","5","1","1","6","7","1") = "6"
    & skf18("4","5","1","1","6","8","1") = "7"
    & skf18("4","5","1","1","6","9","1") = "8"
    & skf18("4","5","1","1","6","10","1") = "9"
    & skf18("4","5","1","1","7","1","1") = "6"
    & skf18("4","5","1","1","7","2","1") = "6"
    & skf18("4","5","1","1","7","3","1") = "6"
    & skf18("4","5","1","1","7","4","1") = "6"
    & skf18("4","5","1","1","7","5","1") = "6"
    & skf18("4","5","1","1","7","6","1") = "6"
    & skf18("4","5","1","1","7","7","1") = "6"
    & skf18("4","5","1","1","7","8","1") = "7"
    & skf18("4","5","1","1","7","9","1") = "8"
    & skf18("4","5","1","1","7","10","1") = "9"
    & skf18("4","5","1","1","8","1","1") = "7"
    & skf18("4","5","1","1","8","2","1") = "7"
    & skf18("4","5","1","1","8","3","1") = "7"
    & skf18("4","5","1","1","8","4","1") = "7"
    & skf18("4","5","1","1","8","5","1") = "7"
    & skf18("4","5","1","1","8","6","1") = "7"
    & skf18("4","5","1","1","8","7","1") = "7"
    & skf18("4","5","1","1","8","8","1") = "7"
    & skf18("4","5","1","1","8","9","1") = "8"
    & skf18("4","5","1","1","8","10","1") = "9"
    & skf18("4","5","1","1","9","1","1") = "8"
    & skf18("4","5","1","1","9","2","1") = "8"
    & skf18("4","5","1","1","9","3","1") = "8"
    & skf18("4","5","1","1","9","4","1") = "8"
    & skf18("4","5","1","1","9","5","1") = "8"
    & skf18("4","5","1","1","9","6","1") = "8"
    & skf18("4","5","1","1","9","7","1") = "8"
    & skf18("4","5","1","1","9","8","1") = "8"
    & skf18("4","5","1","1","9","9","1") = "8"
    & skf18("4","5","1","1","9","10","1") = "9"
    & skf18("4","5","1","1","10","1","1") = "9"
    & skf18("4","5","1","1","10","2","1") = "9"
    & skf18("4","5","1","1","10","3","1") = "9"
    & skf18("4","5","1","1","10","4","1") = "9"
    & skf18("4","5","1","1","10","5","1") = "9"
    & skf18("4","5","1","1","10","6","1") = "9"
    & skf18("4","5","1","1","10","7","1") = "9"
    & skf18("4","5","1","1","10","8","1") = "9"
    & skf18("4","5","1","1","10","9","1") = "9"
    & skf18("4","5","1","1","10","10","1") = "9"
    & skf18("4","5","1","2","1","1","1") = "4"
    & skf18("4","5","1","2","1","2","1") = "4"
    & skf18("4","5","1","2","1","3","1") = "4"
    & skf18("4","5","1","2","1","4","1") = "4"
    & skf18("4","5","1","2","1","5","1") = "4"
    & skf18("4","5","1","2","1","6","1") = "5"
    & skf18("4","5","1","2","1","7","1") = "6"
    & skf18("4","5","1","2","1","8","1") = "7"
    & skf18("4","5","1","2","1","9","1") = "8"
    & skf18("4","5","1","2","1","10","1") = "9"
    & skf18("4","5","1","2","2","1","1") = "4"
    & skf18("4","5","1","2","2","2","1") = "4"
    & skf18("4","5","1","2","2","3","1") = "4"
    & skf18("4","5","1","2","2","4","1") = "4"
    & skf18("4","5","1","2","2","5","1") = "4"
    & skf18("4","5","1","2","2","6","1") = "5"
    & skf18("4","5","1","2","2","7","1") = "6"
    & skf18("4","5","1","2","2","8","1") = "7"
    & skf18("4","5","1","2","2","9","1") = "8"
    & skf18("4","5","1","2","2","10","1") = "9"
    & skf18("4","5","1","2","3","1","1") = "4"
    & skf18("4","5","1","2","3","2","1") = "4"
    & skf18("4","5","1","2","3","3","1") = "4"
    & skf18("4","5","1","2","3","4","1") = "4"
    & skf18("4","5","1","2","3","5","1") = "4"
    & skf18("4","5","1","2","3","6","1") = "5"
    & skf18("4","5","1","2","3","7","1") = "6"
    & skf18("4","5","1","2","3","8","1") = "7"
    & skf18("4","5","1","2","3","9","1") = "8"
    & skf18("4","5","1","2","3","10","1") = "9"
    & skf18("4","5","1","2","4","1","1") = "4"
    & skf18("4","5","1","2","4","2","1") = "4"
    & skf18("4","5","1","2","4","3","1") = "4"
    & skf18("4","5","1","2","4","4","1") = "4"
    & skf18("4","5","1","2","4","5","1") = "4"
    & skf18("4","5","1","2","4","6","1") = "5"
    & skf18("4","5","1","2","4","7","1") = "6"
    & skf18("4","5","1","2","4","8","1") = "7"
    & skf18("4","5","1","2","4","9","1") = "8"
    & skf18("4","5","1","2","4","10","1") = "9"
    & skf18("4","5","1","2","5","1","1") = "4"
    & skf18("4","5","1","2","5","2","1") = "4"
    & skf18("4","5","1","2","5","3","1") = "4"
    & skf18("4","5","1","2","5","4","1") = "4"
    & skf18("4","5","1","2","5","5","1") = "4"
    & skf18("4","5","1","2","5","6","1") = "5"
    & skf18("4","5","1","2","5","7","1") = "6"
    & skf18("4","5","1","2","5","8","1") = "7"
    & skf18("4","5","1","2","5","9","1") = "8"
    & skf18("4","5","1","2","5","10","1") = "9"
    & skf18("4","5","1","2","6","1","1") = "5"
    & skf18("4","5","1","2","6","2","1") = "5"
    & skf18("4","5","1","2","6","3","1") = "5"
    & skf18("4","5","1","2","6","4","1") = "5"
    & skf18("4","5","1","2","6","5","1") = "5"
    & skf18("4","5","1","2","6","6","1") = "5"
    & skf18("4","5","1","2","6","7","1") = "6"
    & skf18("4","5","1","2","6","8","1") = "7"
    & skf18("4","5","1","2","6","9","1") = "8"
    & skf18("4","5","1","2","6","10","1") = "9"
    & skf18("4","5","1","2","7","1","1") = "6"
    & skf18("4","5","1","2","7","2","1") = "6"
    & skf18("4","5","1","2","7","3","1") = "6"
    & skf18("4","5","1","2","7","4","1") = "6"
    & skf18("4","5","1","2","7","5","1") = "6"
    & skf18("4","5","1","2","7","6","1") = "6"
    & skf18("4","5","1","2","7","7","1") = "6"
    & skf18("4","5","1","2","7","8","1") = "7"
    & skf18("4","5","1","2","7","9","1") = "8"
    & skf18("4","5","1","2","7","10","1") = "9"
    & skf18("4","5","1","2","8","1","1") = "7"
    & skf18("4","5","1","2","8","2","1") = "7"
    & skf18("4","5","1","2","8","3","1") = "7"
    & skf18("4","5","1","2","8","4","1") = "7"
    & skf18("4","5","1","2","8","5","1") = "7"
    & skf18("4","5","1","2","8","6","1") = "7"
    & skf18("4","5","1","2","8","7","1") = "7"
    & skf18("4","5","1","2","8","8","1") = "7"
    & skf18("4","5","1","2","8","9","1") = "8"
    & skf18("4","5","1","2","8","10","1") = "9"
    & skf18("4","5","1","2","9","1","1") = "8"
    & skf18("4","5","1","2","9","2","1") = "8"
    & skf18("4","5","1","2","9","3","1") = "8"
    & skf18("4","5","1","2","9","4","1") = "8"
    & skf18("4","5","1","2","9","5","1") = "8"
    & skf18("4","5","1","2","9","6","1") = "8"
    & skf18("4","5","1","2","9","7","1") = "8"
    & skf18("4","5","1","2","9","8","1") = "8"
    & skf18("4","5","1","2","9","9","1") = "8"
    & skf18("4","5","1","2","9","10","1") = "9"
    & skf18("4","5","1","2","10","1","1") = "9"
    & skf18("4","5","1","2","10","2","1") = "9"
    & skf18("4","5","1","2","10","3","1") = "9"
    & skf18("4","5","1","2","10","4","1") = "9"
    & skf18("4","5","1","2","10","5","1") = "9"
    & skf18("4","5","1","2","10","6","1") = "9"
    & skf18("4","5","1","2","10","7","1") = "9"
    & skf18("4","5","1","2","10","8","1") = "9"
    & skf18("4","5","1","2","10","9","1") = "9"
    & skf18("4","5","1","2","10","10","1") = "9"
    & skf18("4","5","1","3","1","1","1") = "4"
    & skf18("4","5","1","3","1","2","1") = "4"
    & skf18("4","5","1","3","1","3","1") = "4"
    & skf18("4","5","1","3","1","4","1") = "4"
    & skf18("4","5","1","3","1","5","1") = "4"
    & skf18("4","5","1","3","1","6","1") = "5"
    & skf18("4","5","1","3","1","7","1") = "6"
    & skf18("4","5","1","3","1","8","1") = "7"
    & skf18("4","5","1","3","1","9","1") = "8"
    & skf18("4","5","1","3","1","10","1") = "9"
    & skf18("4","5","1","3","2","1","1") = "4"
    & skf18("4","5","1","3","2","2","1") = "4"
    & skf18("4","5","1","3","2","3","1") = "4"
    & skf18("4","5","1","3","2","4","1") = "4"
    & skf18("4","5","1","3","2","5","1") = "4"
    & skf18("4","5","1","3","2","6","1") = "5"
    & skf18("4","5","1","3","2","7","1") = "6"
    & skf18("4","5","1","3","2","8","1") = "7"
    & skf18("4","5","1","3","2","9","1") = "8"
    & skf18("4","5","1","3","2","10","1") = "9"
    & skf18("4","5","1","3","3","1","1") = "4"
    & skf18("4","5","1","3","3","2","1") = "4"
    & skf18("4","5","1","3","3","3","1") = "4"
    & skf18("4","5","1","3","3","4","1") = "4"
    & skf18("4","5","1","3","3","5","1") = "4"
    & skf18("4","5","1","3","3","6","1") = "5"
    & skf18("4","5","1","3","3","7","1") = "6"
    & skf18("4","5","1","3","3","8","1") = "7"
    & skf18("4","5","1","3","3","9","1") = "8"
    & skf18("4","5","1","3","3","10","1") = "9"
    & skf18("4","5","1","3","4","1","1") = "4"
    & skf18("4","5","1","3","4","2","1") = "4"
    & skf18("4","5","1","3","4","3","1") = "4"
    & skf18("4","5","1","3","4","4","1") = "4"
    & skf18("4","5","1","3","4","5","1") = "4"
    & skf18("4","5","1","3","4","6","1") = "5"
    & skf18("4","5","1","3","4","7","1") = "6"
    & skf18("4","5","1","3","4","8","1") = "7"
    & skf18("4","5","1","3","4","9","1") = "8"
    & skf18("4","5","1","3","4","10","1") = "9"
    & skf18("4","5","1","3","5","1","1") = "4"
    & skf18("4","5","1","3","5","2","1") = "4"
    & skf18("4","5","1","3","5","3","1") = "4"
    & skf18("4","5","1","3","5","4","1") = "4"
    & skf18("4","5","1","3","5","5","1") = "4"
    & skf18("4","5","1","3","5","6","1") = "5"
    & skf18("4","5","1","3","5","7","1") = "6"
    & skf18("4","5","1","3","5","8","1") = "7"
    & skf18("4","5","1","3","5","9","1") = "8"
    & skf18("4","5","1","3","5","10","1") = "9"
    & skf18("4","5","1","3","6","1","1") = "5"
    & skf18("4","5","1","3","6","2","1") = "5"
    & skf18("4","5","1","3","6","3","1") = "5"
    & skf18("4","5","1","3","6","4","1") = "5"
    & skf18("4","5","1","3","6","5","1") = "5"
    & skf18("4","5","1","3","6","6","1") = "5"
    & skf18("4","5","1","3","6","7","1") = "6"
    & skf18("4","5","1","3","6","8","1") = "7"
    & skf18("4","5","1","3","6","9","1") = "8"
    & skf18("4","5","1","3","6","10","1") = "9"
    & skf18("4","5","1","3","7","1","1") = "6"
    & skf18("4","5","1","3","7","2","1") = "6"
    & skf18("4","5","1","3","7","3","1") = "6"
    & skf18("4","5","1","3","7","4","1") = "6"
    & skf18("4","5","1","3","7","5","1") = "6"
    & skf18("4","5","1","3","7","6","1") = "6"
    & skf18("4","5","1","3","7","7","1") = "6"
    & skf18("4","5","1","3","7","8","1") = "7"
    & skf18("4","5","1","3","7","9","1") = "8"
    & skf18("4","5","1","3","7","10","1") = "9"
    & skf18("4","5","1","3","8","1","1") = "7"
    & skf18("4","5","1","3","8","2","1") = "7"
    & skf18("4","5","1","3","8","3","1") = "7"
    & skf18("4","5","1","3","8","4","1") = "7"
    & skf18("4","5","1","3","8","5","1") = "7"
    & skf18("4","5","1","3","8","6","1") = "7"
    & skf18("4","5","1","3","8","7","1") = "7"
    & skf18("4","5","1","3","8","8","1") = "7"
    & skf18("4","5","1","3","8","9","1") = "8"
    & skf18("4","5","1","3","8","10","1") = "9"
    & skf18("4","5","1","3","9","1","1") = "8"
    & skf18("4","5","1","3","9","2","1") = "8"
    & skf18("4","5","1","3","9","3","1") = "8"
    & skf18("4","5","1","3","9","4","1") = "8"
    & skf18("4","5","1","3","9","5","1") = "8"
    & skf18("4","5","1","3","9","6","1") = "8"
    & skf18("4","5","1","3","9","7","1") = "8"
    & skf18("4","5","1","3","9","8","1") = "8"
    & skf18("4","5","1","3","9","9","1") = "8"
    & skf18("4","5","1","3","9","10","1") = "9"
    & skf18("4","5","1","3","10","1","1") = "9"
    & skf18("4","5","1","3","10","2","1") = "9"
    & skf18("4","5","1","3","10","3","1") = "9"
    & skf18("4","5","1","3","10","4","1") = "9"
    & skf18("4","5","1","3","10","5","1") = "9"
    & skf18("4","5","1","3","10","6","1") = "9"
    & skf18("4","5","1","3","10","7","1") = "9"
    & skf18("4","5","1","3","10","8","1") = "9"
    & skf18("4","5","1","3","10","9","1") = "9"
    & skf18("4","5","1","3","10","10","1") = "9"
    & skf18("4","5","1","4","1","1","1") = "4"
    & skf18("4","5","1","4","1","2","1") = "4"
    & skf18("4","5","1","4","1","3","1") = "4"
    & skf18("4","5","1","4","1","4","1") = "4"
    & skf18("4","5","1","4","1","5","1") = "4"
    & skf18("4","5","1","4","1","6","1") = "5"
    & skf18("4","5","1","4","1","7","1") = "6"
    & skf18("4","5","1","4","1","8","1") = "7"
    & skf18("4","5","1","4","1","9","1") = "8"
    & skf18("4","5","1","4","1","10","1") = "9"
    & skf18("4","5","1","4","2","1","1") = "4"
    & skf18("4","5","1","4","2","2","1") = "4"
    & skf18("4","5","1","4","2","3","1") = "4"
    & skf18("4","5","1","4","2","4","1") = "4"
    & skf18("4","5","1","4","2","5","1") = "4"
    & skf18("4","5","1","4","2","6","1") = "5"
    & skf18("4","5","1","4","2","7","1") = "6"
    & skf18("4","5","1","4","2","8","1") = "7"
    & skf18("4","5","1","4","2","9","1") = "8"
    & skf18("4","5","1","4","2","10","1") = "9"
    & skf18("4","5","1","4","3","1","1") = "4"
    & skf18("4","5","1","4","3","2","1") = "4"
    & skf18("4","5","1","4","3","3","1") = "4"
    & skf18("4","5","1","4","3","4","1") = "4"
    & skf18("4","5","1","4","3","5","1") = "4"
    & skf18("4","5","1","4","3","6","1") = "5"
    & skf18("4","5","1","4","3","7","1") = "6"
    & skf18("4","5","1","4","3","8","1") = "7"
    & skf18("4","5","1","4","3","9","1") = "8"
    & skf18("4","5","1","4","3","10","1") = "9"
    & skf18("4","5","1","4","4","1","1") = "4"
    & skf18("4","5","1","4","4","2","1") = "4"
    & skf18("4","5","1","4","4","3","1") = "4"
    & skf18("4","5","1","4","4","4","1") = "4"
    & skf18("4","5","1","4","4","5","1") = "4"
    & skf18("4","5","1","4","4","6","1") = "5"
    & skf18("4","5","1","4","4","7","1") = "6"
    & skf18("4","5","1","4","4","8","1") = "7"
    & skf18("4","5","1","4","4","9","1") = "8"
    & skf18("4","5","1","4","4","10","1") = "9"
    & skf18("4","5","1","4","5","1","1") = "4"
    & skf18("4","5","1","4","5","2","1") = "4"
    & skf18("4","5","1","4","5","3","1") = "4"
    & skf18("4","5","1","4","5","4","1") = "4"
    & skf18("4","5","1","4","5","5","1") = "4"
    & skf18("4","5","1","4","5","6","1") = "5"
    & skf18("4","5","1","4","5","7","1") = "6"
    & skf18("4","5","1","4","5","8","1") = "7"
    & skf18("4","5","1","4","5","9","1") = "8"
    & skf18("4","5","1","4","5","10","1") = "9"
    & skf18("4","5","1","4","6","1","1") = "5"
    & skf18("4","5","1","4","6","2","1") = "5"
    & skf18("4","5","1","4","6","3","1") = "5"
    & skf18("4","5","1","4","6","4","1") = "5"
    & skf18("4","5","1","4","6","5","1") = "5"
    & skf18("4","5","1","4","6","6","1") = "5"
    & skf18("4","5","1","4","6","7","1") = "6"
    & skf18("4","5","1","4","6","8","1") = "7"
    & skf18("4","5","1","4","6","9","1") = "8"
    & skf18("4","5","1","4","6","10","1") = "9"
    & skf18("4","5","1","4","7","1","1") = "6"
    & skf18("4","5","1","4","7","2","1") = "6"
    & skf18("4","5","1","4","7","3","1") = "6"
    & skf18("4","5","1","4","7","4","1") = "6"
    & skf18("4","5","1","4","7","5","1") = "6"
    & skf18("4","5","1","4","7","6","1") = "6"
    & skf18("4","5","1","4","7","7","1") = "6"
    & skf18("4","5","1","4","7","8","1") = "7"
    & skf18("4","5","1","4","7","9","1") = "8"
    & skf18("4","5","1","4","7","10","1") = "9"
    & skf18("4","5","1","4","8","1","1") = "7"
    & skf18("4","5","1","4","8","2","1") = "7"
    & skf18("4","5","1","4","8","3","1") = "7"
    & skf18("4","5","1","4","8","4","1") = "7"
    & skf18("4","5","1","4","8","5","1") = "7"
    & skf18("4","5","1","4","8","6","1") = "7"
    & skf18("4","5","1","4","8","7","1") = "7"
    & skf18("4","5","1","4","8","8","1") = "7"
    & skf18("4","5","1","4","8","9","1") = "8"
    & skf18("4","5","1","4","8","10","1") = "9"
    & skf18("4","5","1","4","9","1","1") = "8"
    & skf18("4","5","1","4","9","2","1") = "8"
    & skf18("4","5","1","4","9","3","1") = "8"
    & skf18("4","5","1","4","9","4","1") = "8"
    & skf18("4","5","1","4","9","5","1") = "8"
    & skf18("4","5","1","4","9","6","1") = "8"
    & skf18("4","5","1","4","9","7","1") = "8"
    & skf18("4","5","1","4","9","8","1") = "8"
    & skf18("4","5","1","4","9","9","1") = "8"
    & skf18("4","5","1","4","9","10","1") = "9"
    & skf18("4","5","1","4","10","1","1") = "9"
    & skf18("4","5","1","4","10","2","1") = "9"
    & skf18("4","5","1","4","10","3","1") = "9"
    & skf18("4","5","1","4","10","4","1") = "9"
    & skf18("4","5","1","4","10","5","1") = "9"
    & skf18("4","5","1","4","10","6","1") = "9"
    & skf18("4","5","1","4","10","7","1") = "9"
    & skf18("4","5","1","4","10","8","1") = "9"
    & skf18("4","5","1","4","10","9","1") = "9"
    & skf18("4","5","1","4","10","10","1") = "9"
    & skf18("4","5","1","5","1","1","1") = "4"
    & skf18("4","5","1","5","1","2","1") = "4"
    & skf18("4","5","1","5","1","3","1") = "4"
    & skf18("4","5","1","5","1","4","1") = "4"
    & skf18("4","5","1","5","1","5","1") = "4"
    & skf18("4","5","1","5","1","6","1") = "5"
    & skf18("4","5","1","5","1","7","1") = "6"
    & skf18("4","5","1","5","1","8","1") = "7"
    & skf18("4","5","1","5","1","9","1") = "8"
    & skf18("4","5","1","5","1","10","1") = "9"
    & skf18("4","5","1","5","2","1","1") = "4"
    & skf18("4","5","1","5","2","2","1") = "4"
    & skf18("4","5","1","5","2","3","1") = "4"
    & skf18("4","5","1","5","2","4","1") = "4"
    & skf18("4","5","1","5","2","5","1") = "4"
    & skf18("4","5","1","5","2","6","1") = "5"
    & skf18("4","5","1","5","2","7","1") = "6"
    & skf18("4","5","1","5","2","8","1") = "7"
    & skf18("4","5","1","5","2","9","1") = "8"
    & skf18("4","5","1","5","2","10","1") = "9"
    & skf18("4","5","1","5","3","1","1") = "4"
    & skf18("4","5","1","5","3","2","1") = "4"
    & skf18("4","5","1","5","3","3","1") = "4"
    & skf18("4","5","1","5","3","4","1") = "4"
    & skf18("4","5","1","5","3","5","1") = "4"
    & skf18("4","5","1","5","3","6","1") = "5"
    & skf18("4","5","1","5","3","7","1") = "6"
    & skf18("4","5","1","5","3","8","1") = "7"
    & skf18("4","5","1","5","3","9","1") = "8"
    & skf18("4","5","1","5","3","10","1") = "9"
    & skf18("4","5","1","5","4","1","1") = "4"
    & skf18("4","5","1","5","4","2","1") = "4"
    & skf18("4","5","1","5","4","3","1") = "4"
    & skf18("4","5","1","5","4","4","1") = "4"
    & skf18("4","5","1","5","4","5","1") = "4"
    & skf18("4","5","1","5","4","6","1") = "5"
    & skf18("4","5","1","5","4","7","1") = "6"
    & skf18("4","5","1","5","4","8","1") = "7"
    & skf18("4","5","1","5","4","9","1") = "8"
    & skf18("4","5","1","5","4","10","1") = "9"
    & skf18("4","5","1","5","5","1","1") = "4"
    & skf18("4","5","1","5","5","2","1") = "4"
    & skf18("4","5","1","5","5","3","1") = "4"
    & skf18("4","5","1","5","5","4","1") = "4"
    & skf18("4","5","1","5","5","5","1") = "4"
    & skf18("4","5","1","5","5","6","1") = "5"
    & skf18("4","5","1","5","5","7","1") = "6"
    & skf18("4","5","1","5","5","8","1") = "7"
    & skf18("4","5","1","5","5","9","1") = "8"
    & skf18("4","5","1","5","5","10","1") = "9"
    & skf18("4","5","1","5","6","1","1") = "5"
    & skf18("4","5","1","5","6","2","1") = "5"
    & skf18("4","5","1","5","6","3","1") = "5"
    & skf18("4","5","1","5","6","4","1") = "5"
    & skf18("4","5","1","5","6","5","1") = "5"
    & skf18("4","5","1","5","6","6","1") = "5"
    & skf18("4","5","1","5","6","7","1") = "6"
    & skf18("4","5","1","5","6","8","1") = "7"
    & skf18("4","5","1","5","6","9","1") = "8"
    & skf18("4","5","1","5","6","10","1") = "9"
    & skf18("4","5","1","5","7","1","1") = "6"
    & skf18("4","5","1","5","7","2","1") = "6"
    & skf18("4","5","1","5","7","3","1") = "6"
    & skf18("4","5","1","5","7","4","1") = "6"
    & skf18("4","5","1","5","7","5","1") = "6"
    & skf18("4","5","1","5","7","6","1") = "6"
    & skf18("4","5","1","5","7","7","1") = "6"
    & skf18("4","5","1","5","7","8","1") = "7"
    & skf18("4","5","1","5","7","9","1") = "8"
    & skf18("4","5","1","5","7","10","1") = "9"
    & skf18("4","5","1","5","8","1","1") = "7"
    & skf18("4","5","1","5","8","2","1") = "7"
    & skf18("4","5","1","5","8","3","1") = "7"
    & skf18("4","5","1","5","8","4","1") = "7"
    & skf18("4","5","1","5","8","5","1") = "7"
    & skf18("4","5","1","5","8","6","1") = "7"
    & skf18("4","5","1","5","8","7","1") = "7"
    & skf18("4","5","1","5","8","8","1") = "7"
    & skf18("4","5","1","5","8","9","1") = "8"
    & skf18("4","5","1","5","8","10","1") = "9"
    & skf18("4","5","1","5","9","1","1") = "8"
    & skf18("4","5","1","5","9","2","1") = "8"
    & skf18("4","5","1","5","9","3","1") = "8"
    & skf18("4","5","1","5","9","4","1") = "8"
    & skf18("4","5","1","5","9","5","1") = "8"
    & skf18("4","5","1","5","9","6","1") = "8"
    & skf18("4","5","1","5","9","7","1") = "8"
    & skf18("4","5","1","5","9","8","1") = "8"
    & skf18("4","5","1","5","9","9","1") = "8"
    & skf18("4","5","1","5","9","10","1") = "9"
    & skf18("4","5","1","5","10","1","1") = "9"
    & skf18("4","5","1","5","10","2","1") = "9"
    & skf18("4","5","1","5","10","3","1") = "9"
    & skf18("4","5","1","5","10","4","1") = "9"
    & skf18("4","5","1","5","10","5","1") = "9"
    & skf18("4","5","1","5","10","6","1") = "9"
    & skf18("4","5","1","5","10","7","1") = "9"
    & skf18("4","5","1","5","10","8","1") = "9"
    & skf18("4","5","1","5","10","9","1") = "9"
    & skf18("4","5","1","5","10","10","1") = "9"
    & skf18("4","5","1","6","1","1","1") = "5"
    & skf18("4","5","1","6","1","2","1") = "5"
    & skf18("4","5","1","6","1","3","1") = "5"
    & skf18("4","5","1","6","1","4","1") = "5"
    & skf18("4","5","1","6","1","5","1") = "5"
    & skf18("4","5","1","6","1","6","1") = "5"
    & skf18("4","5","1","6","1","7","1") = "6"
    & skf18("4","5","1","6","1","8","1") = "7"
    & skf18("4","5","1","6","1","9","1") = "8"
    & skf18("4","5","1","6","1","10","1") = "9"
    & skf18("4","5","1","6","2","1","1") = "5"
    & skf18("4","5","1","6","2","2","1") = "5"
    & skf18("4","5","1","6","2","3","1") = "5"
    & skf18("4","5","1","6","2","4","1") = "5"
    & skf18("4","5","1","6","2","5","1") = "5"
    & skf18("4","5","1","6","2","6","1") = "5"
    & skf18("4","5","1","6","2","7","1") = "6"
    & skf18("4","5","1","6","2","8","1") = "7"
    & skf18("4","5","1","6","2","9","1") = "8"
    & skf18("4","5","1","6","2","10","1") = "9"
    & skf18("4","5","1","6","3","1","1") = "5"
    & skf18("4","5","1","6","3","2","1") = "5"
    & skf18("4","5","1","6","3","3","1") = "5"
    & skf18("4","5","1","6","3","4","1") = "5"
    & skf18("4","5","1","6","3","5","1") = "5"
    & skf18("4","5","1","6","3","6","1") = "5"
    & skf18("4","5","1","6","3","7","1") = "6"
    & skf18("4","5","1","6","3","8","1") = "7"
    & skf18("4","5","1","6","3","9","1") = "8"
    & skf18("4","5","1","6","3","10","1") = "9"
    & skf18("4","5","1","6","4","1","1") = "5"
    & skf18("4","5","1","6","4","2","1") = "5"
    & skf18("4","5","1","6","4","3","1") = "5"
    & skf18("4","5","1","6","4","4","1") = "5"
    & skf18("4","5","1","6","4","5","1") = "5"
    & skf18("4","5","1","6","4","6","1") = "5"
    & skf18("4","5","1","6","4","7","1") = "6"
    & skf18("4","5","1","6","4","8","1") = "7"
    & skf18("4","5","1","6","4","9","1") = "8"
    & skf18("4","5","1","6","4","10","1") = "9"
    & skf18("4","5","1","6","5","1","1") = "5"
    & skf18("4","5","1","6","5","2","1") = "5"
    & skf18("4","5","1","6","5","3","1") = "5"
    & skf18("4","5","1","6","5","4","1") = "5"
    & skf18("4","5","1","6","5","5","1") = "5"
    & skf18("4","5","1","6","5","6","1") = "5"
    & skf18("4","5","1","6","5","7","1") = "6"
    & skf18("4","5","1","6","5","8","1") = "7"
    & skf18("4","5","1","6","5","9","1") = "8"
    & skf18("4","5","1","6","5","10","1") = "9"
    & skf18("4","5","1","6","6","1","1") = "5"
    & skf18("4","5","1","6","6","2","1") = "5"
    & skf18("4","5","1","6","6","3","1") = "5"
    & skf18("4","5","1","6","6","4","1") = "5"
    & skf18("4","5","1","6","6","5","1") = "5"
    & skf18("4","5","1","6","6","6","1") = "5"
    & skf18("4","5","1","6","6","7","1") = "6"
    & skf18("4","5","1","6","6","8","1") = "7"
    & skf18("4","5","1","6","6","9","1") = "8"
    & skf18("4","5","1","6","6","10","1") = "9"
    & skf18("4","5","1","6","7","1","1") = "6"
    & skf18("4","5","1","6","7","2","1") = "6"
    & skf18("4","5","1","6","7","3","1") = "6"
    & skf18("4","5","1","6","7","4","1") = "6"
    & skf18("4","5","1","6","7","5","1") = "6"
    & skf18("4","5","1","6","7","6","1") = "6"
    & skf18("4","5","1","6","7","7","1") = "6"
    & skf18("4","5","1","6","7","8","1") = "7"
    & skf18("4","5","1","6","7","9","1") = "8"
    & skf18("4","5","1","6","7","10","1") = "9"
    & skf18("4","5","1","6","8","1","1") = "7"
    & skf18("4","5","1","6","8","2","1") = "7"
    & skf18("4","5","1","6","8","3","1") = "7"
    & skf18("4","5","1","6","8","4","1") = "7"
    & skf18("4","5","1","6","8","5","1") = "7"
    & skf18("4","5","1","6","8","6","1") = "7"
    & skf18("4","5","1","6","8","7","1") = "7"
    & skf18("4","5","1","6","8","8","1") = "7"
    & skf18("4","5","1","6","8","9","1") = "8"
    & skf18("4","5","1","6","8","10","1") = "9"
    & skf18("4","5","1","6","9","1","1") = "8"
    & skf18("4","5","1","6","9","2","1") = "8"
    & skf18("4","5","1","6","9","3","1") = "8"
    & skf18("4","5","1","6","9","4","1") = "8"
    & skf18("4","5","1","6","9","5","1") = "8"
    & skf18("4","5","1","6","9","6","1") = "8"
    & skf18("4","5","1","6","9","7","1") = "8"
    & skf18("4","5","1","6","9","8","1") = "8"
    & skf18("4","5","1","6","9","9","1") = "8"
    & skf18("4","5","1","6","9","10","1") = "9"
    & skf18("4","5","1","6","10","1","1") = "9"
    & skf18("4","5","1","6","10","2","1") = "9"
    & skf18("4","5","1","6","10","3","1") = "9"
    & skf18("4","5","1","6","10","4","1") = "9"
    & skf18("4","5","1","6","10","5","1") = "9"
    & skf18("4","5","1","6","10","6","1") = "9"
    & skf18("4","5","1","6","10","7","1") = "9"
    & skf18("4","5","1","6","10","8","1") = "9"
    & skf18("4","5","1","6","10","9","1") = "9"
    & skf18("4","5","1","6","10","10","1") = "9"
    & skf18("4","5","1","7","1","1","1") = "6"
    & skf18("4","5","1","7","1","2","1") = "6"
    & skf18("4","5","1","7","1","3","1") = "6"
    & skf18("4","5","1","7","1","4","1") = "6"
    & skf18("4","5","1","7","1","5","1") = "6"
    & skf18("4","5","1","7","1","6","1") = "6"
    & skf18("4","5","1","7","1","7","1") = "6"
    & skf18("4","5","1","7","1","8","1") = "7"
    & skf18("4","5","1","7","1","9","1") = "8"
    & skf18("4","5","1","7","1","10","1") = "9"
    & skf18("4","5","1","7","2","1","1") = "6"
    & skf18("4","5","1","7","2","2","1") = "6"
    & skf18("4","5","1","7","2","3","1") = "6"
    & skf18("4","5","1","7","2","4","1") = "6"
    & skf18("4","5","1","7","2","5","1") = "6"
    & skf18("4","5","1","7","2","6","1") = "6"
    & skf18("4","5","1","7","2","7","1") = "6"
    & skf18("4","5","1","7","2","8","1") = "7"
    & skf18("4","5","1","7","2","9","1") = "8"
    & skf18("4","5","1","7","2","10","1") = "9"
    & skf18("4","5","1","7","3","1","1") = "6"
    & skf18("4","5","1","7","3","2","1") = "6"
    & skf18("4","5","1","7","3","3","1") = "6"
    & skf18("4","5","1","7","3","4","1") = "6"
    & skf18("4","5","1","7","3","5","1") = "6"
    & skf18("4","5","1","7","3","6","1") = "6"
    & skf18("4","5","1","7","3","7","1") = "6"
    & skf18("4","5","1","7","3","8","1") = "7"
    & skf18("4","5","1","7","3","9","1") = "8"
    & skf18("4","5","1","7","3","10","1") = "9"
    & skf18("4","5","1","7","4","1","1") = "6"
    & skf18("4","5","1","7","4","2","1") = "6"
    & skf18("4","5","1","7","4","3","1") = "6"
    & skf18("4","5","1","7","4","4","1") = "6"
    & skf18("4","5","1","7","4","5","1") = "6"
    & skf18("4","5","1","7","4","6","1") = "6"
    & skf18("4","5","1","7","4","7","1") = "6"
    & skf18("4","5","1","7","4","8","1") = "7"
    & skf18("4","5","1","7","4","9","1") = "8"
    & skf18("4","5","1","7","4","10","1") = "9"
    & skf18("4","5","1","7","5","1","1") = "6"
    & skf18("4","5","1","7","5","2","1") = "6"
    & skf18("4","5","1","7","5","3","1") = "6"
    & skf18("4","5","1","7","5","4","1") = "6"
    & skf18("4","5","1","7","5","5","1") = "6"
    & skf18("4","5","1","7","5","6","1") = "6"
    & skf18("4","5","1","7","5","7","1") = "6"
    & skf18("4","5","1","7","5","8","1") = "7"
    & skf18("4","5","1","7","5","9","1") = "8"
    & skf18("4","5","1","7","5","10","1") = "9"
    & skf18("4","5","1","7","6","1","1") = "6"
    & skf18("4","5","1","7","6","2","1") = "6"
    & skf18("4","5","1","7","6","3","1") = "6"
    & skf18("4","5","1","7","6","4","1") = "6"
    & skf18("4","5","1","7","6","5","1") = "6"
    & skf18("4","5","1","7","6","6","1") = "6"
    & skf18("4","5","1","7","6","7","1") = "6"
    & skf18("4","5","1","7","6","8","1") = "7"
    & skf18("4","5","1","7","6","9","1") = "8"
    & skf18("4","5","1","7","6","10","1") = "9"
    & skf18("4","5","1","7","7","1","1") = "6"
    & skf18("4","5","1","7","7","2","1") = "6"
    & skf18("4","5","1","7","7","3","1") = "6"
    & skf18("4","5","1","7","7","4","1") = "6"
    & skf18("4","5","1","7","7","5","1") = "6"
    & skf18("4","5","1","7","7","6","1") = "6"
    & skf18("4","5","1","7","7","7","1") = "6"
    & skf18("4","5","1","7","7","8","1") = "7"
    & skf18("4","5","1","7","7","9","1") = "8"
    & skf18("4","5","1","7","7","10","1") = "9"
    & skf18("4","5","1","7","8","1","1") = "7"
    & skf18("4","5","1","7","8","2","1") = "7"
    & skf18("4","5","1","7","8","3","1") = "7"
    & skf18("4","5","1","7","8","4","1") = "7"
    & skf18("4","5","1","7","8","5","1") = "7"
    & skf18("4","5","1","7","8","6","1") = "7"
    & skf18("4","5","1","7","8","7","1") = "7"
    & skf18("4","5","1","7","8","8","1") = "7"
    & skf18("4","5","1","7","8","9","1") = "8"
    & skf18("4","5","1","7","8","10","1") = "9"
    & skf18("4","5","1","7","9","1","1") = "8"
    & skf18("4","5","1","7","9","2","1") = "8"
    & skf18("4","5","1","7","9","3","1") = "8"
    & skf18("4","5","1","7","9","4","1") = "8"
    & skf18("4","5","1","7","9","5","1") = "8"
    & skf18("4","5","1","7","9","6","1") = "8"
    & skf18("4","5","1","7","9","7","1") = "8"
    & skf18("4","5","1","7","9","8","1") = "8"
    & skf18("4","5","1","7","9","9","1") = "8"
    & skf18("4","5","1","7","9","10","1") = "9"
    & skf18("4","5","1","7","10","1","1") = "9"
    & skf18("4","5","1","7","10","2","1") = "9"
    & skf18("4","5","1","7","10","3","1") = "9"
    & skf18("4","5","1","7","10","4","1") = "9"
    & skf18("4","5","1","7","10","5","1") = "9"
    & skf18("4","5","1","7","10","6","1") = "9"
    & skf18("4","5","1","7","10","7","1") = "9"
    & skf18("4","5","1","7","10","8","1") = "9"
    & skf18("4","5","1","7","10","9","1") = "9"
    & skf18("4","5","1","7","10","10","1") = "9"
    & skf18("4","5","1","8","1","1","1") = "7"
    & skf18("4","5","1","8","1","2","1") = "7"
    & skf18("4","5","1","8","1","3","1") = "7"
    & skf18("4","5","1","8","1","4","1") = "7"
    & skf18("4","5","1","8","1","5","1") = "7"
    & skf18("4","5","1","8","1","6","1") = "7"
    & skf18("4","5","1","8","1","7","1") = "7"
    & skf18("4","5","1","8","1","8","1") = "7"
    & skf18("4","5","1","8","1","9","1") = "8"
    & skf18("4","5","1","8","1","10","1") = "9"
    & skf18("4","5","1","8","2","1","1") = "7"
    & skf18("4","5","1","8","2","2","1") = "7"
    & skf18("4","5","1","8","2","3","1") = "7"
    & skf18("4","5","1","8","2","4","1") = "7"
    & skf18("4","5","1","8","2","5","1") = "7"
    & skf18("4","5","1","8","2","6","1") = "7"
    & skf18("4","5","1","8","2","7","1") = "7"
    & skf18("4","5","1","8","2","8","1") = "7"
    & skf18("4","5","1","8","2","9","1") = "8"
    & skf18("4","5","1","8","2","10","1") = "9"
    & skf18("4","5","1","8","3","1","1") = "7"
    & skf18("4","5","1","8","3","2","1") = "7"
    & skf18("4","5","1","8","3","3","1") = "7"
    & skf18("4","5","1","8","3","4","1") = "7"
    & skf18("4","5","1","8","3","5","1") = "7"
    & skf18("4","5","1","8","3","6","1") = "7"
    & skf18("4","5","1","8","3","7","1") = "7"
    & skf18("4","5","1","8","3","8","1") = "7"
    & skf18("4","5","1","8","3","9","1") = "8"
    & skf18("4","5","1","8","3","10","1") = "9"
    & skf18("4","5","1","8","4","1","1") = "7"
    & skf18("4","5","1","8","4","2","1") = "7"
    & skf18("4","5","1","8","4","3","1") = "7"
    & skf18("4","5","1","8","4","4","1") = "7"
    & skf18("4","5","1","8","4","5","1") = "7"
    & skf18("4","5","1","8","4","6","1") = "7"
    & skf18("4","5","1","8","4","7","1") = "7"
    & skf18("4","5","1","8","4","8","1") = "7"
    & skf18("4","5","1","8","4","9","1") = "8"
    & skf18("4","5","1","8","4","10","1") = "9"
    & skf18("4","5","1","8","5","1","1") = "7"
    & skf18("4","5","1","8","5","2","1") = "7"
    & skf18("4","5","1","8","5","3","1") = "7"
    & skf18("4","5","1","8","5","4","1") = "7"
    & skf18("4","5","1","8","5","5","1") = "7"
    & skf18("4","5","1","8","5","6","1") = "7"
    & skf18("4","5","1","8","5","7","1") = "7"
    & skf18("4","5","1","8","5","8","1") = "7"
    & skf18("4","5","1","8","5","9","1") = "8"
    & skf18("4","5","1","8","5","10","1") = "9"
    & skf18("4","5","1","8","6","1","1") = "7"
    & skf18("4","5","1","8","6","2","1") = "7"
    & skf18("4","5","1","8","6","3","1") = "7"
    & skf18("4","5","1","8","6","4","1") = "7"
    & skf18("4","5","1","8","6","5","1") = "7"
    & skf18("4","5","1","8","6","6","1") = "7"
    & skf18("4","5","1","8","6","7","1") = "7"
    & skf18("4","5","1","8","6","8","1") = "7"
    & skf18("4","5","1","8","6","9","1") = "8"
    & skf18("4","5","1","8","6","10","1") = "9"
    & skf18("4","5","1","8","7","1","1") = "7"
    & skf18("4","5","1","8","7","2","1") = "7"
    & skf18("4","5","1","8","7","3","1") = "7"
    & skf18("4","5","1","8","7","4","1") = "7"
    & skf18("4","5","1","8","7","5","1") = "7"
    & skf18("4","5","1","8","7","6","1") = "7"
    & skf18("4","5","1","8","7","7","1") = "7"
    & skf18("4","5","1","8","7","8","1") = "7"
    & skf18("4","5","1","8","7","9","1") = "8"
    & skf18("4","5","1","8","7","10","1") = "9"
    & skf18("4","5","1","8","8","1","1") = "7"
    & skf18("4","5","1","8","8","2","1") = "7"
    & skf18("4","5","1","8","8","3","1") = "7"
    & skf18("4","5","1","8","8","4","1") = "7"
    & skf18("4","5","1","8","8","5","1") = "7"
    & skf18("4","5","1","8","8","6","1") = "7"
    & skf18("4","5","1","8","8","7","1") = "7"
    & skf18("4","5","1","8","8","8","1") = "7"
    & skf18("4","5","1","8","8","9","1") = "8"
    & skf18("4","5","1","8","8","10","1") = "9"
    & skf18("4","5","1","8","9","1","1") = "8"
    & skf18("4","5","1","8","9","2","1") = "8"
    & skf18("4","5","1","8","9","3","1") = "8"
    & skf18("4","5","1","8","9","4","1") = "8"
    & skf18("4","5","1","8","9","5","1") = "8"
    & skf18("4","5","1","8","9","6","1") = "8"
    & skf18("4","5","1","8","9","7","1") = "8"
    & skf18("4","5","1","8","9","8","1") = "8"
    & skf18("4","5","1","8","9","9","1") = "8"
    & skf18("4","5","1","8","9","10","1") = "9"
    & skf18("4","5","1","8","10","1","1") = "9"
    & skf18("4","5","1","8","10","2","1") = "9"
    & skf18("4","5","1","8","10","3","1") = "9"
    & skf18("4","5","1","8","10","4","1") = "9"
    & skf18("4","5","1","8","10","5","1") = "9"
    & skf18("4","5","1","8","10","6","1") = "9"
    & skf18("4","5","1","8","10","7","1") = "9"
    & skf18("4","5","1","8","10","8","1") = "9"
    & skf18("4","5","1","8","10","9","1") = "9"
    & skf18("4","5","1","8","10","10","1") = "9"
    & skf18("4","5","1","9","1","1","1") = "8"
    & skf18("4","5","1","9","1","2","1") = "8"
    & skf18("4","5","1","9","1","3","1") = "8"
    & skf18("4","5","1","9","1","4","1") = "8"
    & skf18("4","5","1","9","1","5","1") = "8"
    & skf18("4","5","1","9","1","6","1") = "8"
    & skf18("4","5","1","9","1","7","1") = "8"
    & skf18("4","5","1","9","1","8","1") = "8"
    & skf18("4","5","1","9","1","9","1") = "8"
    & skf18("4","5","1","9","1","10","1") = "9"
    & skf18("4","5","1","9","2","1","1") = "8"
    & skf18("4","5","1","9","2","2","1") = "8"
    & skf18("4","5","1","9","2","3","1") = "8"
    & skf18("4","5","1","9","2","4","1") = "8"
    & skf18("4","5","1","9","2","5","1") = "8"
    & skf18("4","5","1","9","2","6","1") = "8"
    & skf18("4","5","1","9","2","7","1") = "8"
    & skf18("4","5","1","9","2","8","1") = "8"
    & skf18("4","5","1","9","2","9","1") = "8"
    & skf18("4","5","1","9","2","10","1") = "9"
    & skf18("4","5","1","9","3","1","1") = "8"
    & skf18("4","5","1","9","3","2","1") = "8"
    & skf18("4","5","1","9","3","3","1") = "8"
    & skf18("4","5","1","9","3","4","1") = "8"
    & skf18("4","5","1","9","3","5","1") = "8"
    & skf18("4","5","1","9","3","6","1") = "8"
    & skf18("4","5","1","9","3","7","1") = "8"
    & skf18("4","5","1","9","3","8","1") = "8"
    & skf18("4","5","1","9","3","9","1") = "8"
    & skf18("4","5","1","9","3","10","1") = "9"
    & skf18("4","5","1","9","4","1","1") = "8"
    & skf18("4","5","1","9","4","2","1") = "8"
    & skf18("4","5","1","9","4","3","1") = "8"
    & skf18("4","5","1","9","4","4","1") = "8"
    & skf18("4","5","1","9","4","5","1") = "8"
    & skf18("4","5","1","9","4","6","1") = "8"
    & skf18("4","5","1","9","4","7","1") = "8"
    & skf18("4","5","1","9","4","8","1") = "8"
    & skf18("4","5","1","9","4","9","1") = "8"
    & skf18("4","5","1","9","4","10","1") = "9"
    & skf18("4","5","1","9","5","1","1") = "8"
    & skf18("4","5","1","9","5","2","1") = "8"
    & skf18("4","5","1","9","5","3","1") = "8"
    & skf18("4","5","1","9","5","4","1") = "8"
    & skf18("4","5","1","9","5","5","1") = "8"
    & skf18("4","5","1","9","5","6","1") = "8"
    & skf18("4","5","1","9","5","7","1") = "8"
    & skf18("4","5","1","9","5","8","1") = "8"
    & skf18("4","5","1","9","5","9","1") = "8"
    & skf18("4","5","1","9","5","10","1") = "9"
    & skf18("4","5","1","9","6","1","1") = "8"
    & skf18("4","5","1","9","6","2","1") = "8"
    & skf18("4","5","1","9","6","3","1") = "8"
    & skf18("4","5","1","9","6","4","1") = "8"
    & skf18("4","5","1","9","6","5","1") = "8"
    & skf18("4","5","1","9","6","6","1") = "8"
    & skf18("4","5","1","9","6","7","1") = "8"
    & skf18("4","5","1","9","6","8","1") = "8"
    & skf18("4","5","1","9","6","9","1") = "8"
    & skf18("4","5","1","9","6","10","1") = "9"
    & skf18("4","5","1","9","7","1","1") = "8"
    & skf18("4","5","1","9","7","2","1") = "8"
    & skf18("4","5","1","9","7","3","1") = "8"
    & skf18("4","5","1","9","7","4","1") = "8"
    & skf18("4","5","1","9","7","5","1") = "8"
    & skf18("4","5","1","9","7","6","1") = "8"
    & skf18("4","5","1","9","7","7","1") = "8"
    & skf18("4","5","1","9","7","8","1") = "8"
    & skf18("4","5","1","9","7","9","1") = "8"
    & skf18("4","5","1","9","7","10","1") = "9"
    & skf18("4","5","1","9","8","1","1") = "8"
    & skf18("4","5","1","9","8","2","1") = "8"
    & skf18("4","5","1","9","8","3","1") = "8"
    & skf18("4","5","1","9","8","4","1") = "8"
    & skf18("4","5","1","9","8","5","1") = "8"
    & skf18("4","5","1","9","8","6","1") = "8"
    & skf18("4","5","1","9","8","7","1") = "8"
    & skf18("4","5","1","9","8","8","1") = "8"
    & skf18("4","5","1","9","8","9","1") = "8"
    & skf18("4","5","1","9","8","10","1") = "9"
    & skf18("4","5","1","9","9","1","1") = "8"
    & skf18("4","5","1","9","9","2","1") = "8"
    & skf18("4","5","1","9","9","3","1") = "8"
    & skf18("4","5","1","9","9","4","1") = "8"
    & skf18("4","5","1","9","9","5","1") = "8"
    & skf18("4","5","1","9","9","6","1") = "8"
    & skf18("4","5","1","9","9","7","1") = "8"
    & skf18("4","5","1","9","9","8","1") = "8"
    & skf18("4","5","1","9","9","9","1") = "8"
    & skf18("4","5","1","9","9","10","1") = "9"
    & skf18("4","5","1","9","10","1","1") = "9"
    & skf18("4","5","1","9","10","2","1") = "9"
    & skf18("4","5","1","9","10","3","1") = "9"
    & skf18("4","5","1","9","10","4","1") = "9"
    & skf18("4","5","1","9","10","5","1") = "9"
    & skf18("4","5","1","9","10","6","1") = "9"
    & skf18("4","5","1","9","10","7","1") = "9"
    & skf18("4","5","1","9","10","8","1") = "9"
    & skf18("4","5","1","9","10","9","1") = "9"
    & skf18("4","5","1","9","10","10","1") = "9"
    & skf18("4","5","1","10","1","1","1") = "9"
    & skf18("4","5","1","10","1","2","1") = "9"
    & skf18("4","5","1","10","1","3","1") = "9"
    & skf18("4","5","1","10","1","4","1") = "9"
    & skf18("4","5","1","10","1","5","1") = "9"
    & skf18("4","5","1","10","1","6","1") = "9"
    & skf18("4","5","1","10","1","7","1") = "9"
    & skf18("4","5","1","10","1","8","1") = "9"
    & skf18("4","5","1","10","1","9","1") = "9"
    & skf18("4","5","1","10","1","10","1") = "9"
    & skf18("4","5","1","10","2","1","1") = "9"
    & skf18("4","5","1","10","2","2","1") = "9"
    & skf18("4","5","1","10","2","3","1") = "9"
    & skf18("4","5","1","10","2","4","1") = "9"
    & skf18("4","5","1","10","2","5","1") = "9"
    & skf18("4","5","1","10","2","6","1") = "9"
    & skf18("4","5","1","10","2","7","1") = "9"
    & skf18("4","5","1","10","2","8","1") = "9"
    & skf18("4","5","1","10","2","9","1") = "9"
    & skf18("4","5","1","10","2","10","1") = "9"
    & skf18("4","5","1","10","3","1","1") = "9"
    & skf18("4","5","1","10","3","2","1") = "9"
    & skf18("4","5","1","10","3","3","1") = "9"
    & skf18("4","5","1","10","3","4","1") = "9"
    & skf18("4","5","1","10","3","5","1") = "9"
    & skf18("4","5","1","10","3","6","1") = "9"
    & skf18("4","5","1","10","3","7","1") = "9"
    & skf18("4","5","1","10","3","8","1") = "9"
    & skf18("4","5","1","10","3","9","1") = "9"
    & skf18("4","5","1","10","3","10","1") = "9"
    & skf18("4","5","1","10","4","1","1") = "9"
    & skf18("4","5","1","10","4","2","1") = "9"
    & skf18("4","5","1","10","4","3","1") = "9"
    & skf18("4","5","1","10","4","4","1") = "9"
    & skf18("4","5","1","10","4","5","1") = "9"
    & skf18("4","5","1","10","4","6","1") = "9"
    & skf18("4","5","1","10","4","7","1") = "9"
    & skf18("4","5","1","10","4","8","1") = "9"
    & skf18("4","5","1","10","4","9","1") = "9"
    & skf18("4","5","1","10","4","10","1") = "9"
    & skf18("4","5","1","10","5","1","1") = "9"
    & skf18("4","5","1","10","5","2","1") = "9"
    & skf18("4","5","1","10","5","3","1") = "9"
    & skf18("4","5","1","10","5","4","1") = "9"
    & skf18("4","5","1","10","5","5","1") = "9"
    & skf18("4","5","1","10","5","6","1") = "9"
    & skf18("4","5","1","10","5","7","1") = "9"
    & skf18("4","5","1","10","5","8","1") = "9"
    & skf18("4","5","1","10","5","9","1") = "9"
    & skf18("4","5","1","10","5","10","1") = "9"
    & skf18("4","5","1","10","6","1","1") = "9"
    & skf18("4","5","1","10","6","2","1") = "9"
    & skf18("4","5","1","10","6","3","1") = "9"
    & skf18("4","5","1","10","6","4","1") = "9"
    & skf18("4","5","1","10","6","5","1") = "9"
    & skf18("4","5","1","10","6","6","1") = "9"
    & skf18("4","5","1","10","6","7","1") = "9"
    & skf18("4","5","1","10","6","8","1") = "9"
    & skf18("4","5","1","10","6","9","1") = "9"
    & skf18("4","5","1","10","6","10","1") = "9"
    & skf18("4","5","1","10","7","1","1") = "9"
    & skf18("4","5","1","10","7","2","1") = "9"
    & skf18("4","5","1","10","7","3","1") = "9"
    & skf18("4","5","1","10","7","4","1") = "9"
    & skf18("4","5","1","10","7","5","1") = "9"
    & skf18("4","5","1","10","7","6","1") = "9"
    & skf18("4","5","1","10","7","7","1") = "9"
    & skf18("4","5","1","10","7","8","1") = "9"
    & skf18("4","5","1","10","7","9","1") = "9"
    & skf18("4","5","1","10","7","10","1") = "9"
    & skf18("4","5","1","10","8","1","1") = "9"
    & skf18("4","5","1","10","8","2","1") = "9"
    & skf18("4","5","1","10","8","3","1") = "9"
    & skf18("4","5","1","10","8","4","1") = "9"
    & skf18("4","5","1","10","8","5","1") = "9"
    & skf18("4","5","1","10","8","6","1") = "9"
    & skf18("4","5","1","10","8","7","1") = "9"
    & skf18("4","5","1","10","8","8","1") = "9"
    & skf18("4","5","1","10","8","9","1") = "9"
    & skf18("4","5","1","10","8","10","1") = "9"
    & skf18("4","5","1","10","9","1","1") = "9"
    & skf18("4","5","1","10","9","2","1") = "9"
    & skf18("4","5","1","10","9","3","1") = "9"
    & skf18("4","5","1","10","9","4","1") = "9"
    & skf18("4","5","1","10","9","5","1") = "9"
    & skf18("4","5","1","10","9","6","1") = "9"
    & skf18("4","5","1","10","9","7","1") = "9"
    & skf18("4","5","1","10","9","8","1") = "9"
    & skf18("4","5","1","10","9","9","1") = "9"
    & skf18("4","5","1","10","9","10","1") = "9"
    & skf18("4","5","1","10","10","1","1") = "9"
    & skf18("4","5","1","10","10","2","1") = "9"
    & skf18("4","5","1","10","10","3","1") = "9"
    & skf18("4","5","1","10","10","4","1") = "9"
    & skf18("4","5","1","10","10","5","1") = "9"
    & skf18("4","5","1","10","10","6","1") = "9"
    & skf18("4","5","1","10","10","7","1") = "9"
    & skf18("4","5","1","10","10","8","1") = "9"
    & skf18("4","5","1","10","10","9","1") = "9"
    & skf18("4","5","1","10","10","10","1") = "9"
    & skf18("4","5","2","1","1","1","1") = "4"
    & skf18("4","5","2","1","1","2","1") = "4"
    & skf18("4","5","2","1","1","3","1") = "4"
    & skf18("4","5","2","1","1","4","1") = "4"
    & skf18("4","5","2","1","1","5","1") = "4"
    & skf18("4","5","2","1","1","6","1") = "5"
    & skf18("4","5","2","1","1","7","1") = "6"
    & skf18("4","5","2","1","1","8","1") = "7"
    & skf18("4","5","2","1","1","9","1") = "8"
    & skf18("4","5","2","1","1","10","1") = "9"
    & skf18("4","5","2","1","2","1","1") = "4"
    & skf18("4","5","2","1","2","2","1") = "4"
    & skf18("4","5","2","1","2","3","1") = "4"
    & skf18("4","5","2","1","2","4","1") = "4"
    & skf18("4","5","2","1","2","5","1") = "4"
    & skf18("4","5","2","1","2","6","1") = "5"
    & skf18("4","5","2","1","2","7","1") = "6"
    & skf18("4","5","2","1","2","8","1") = "7"
    & skf18("4","5","2","1","2","9","1") = "8"
    & skf18("4","5","2","1","2","10","1") = "9"
    & skf18("4","5","2","1","3","1","1") = "4"
    & skf18("4","5","2","1","3","2","1") = "4"
    & skf18("4","5","2","1","3","3","1") = "4"
    & skf18("4","5","2","1","3","4","1") = "4"
    & skf18("4","5","2","1","3","5","1") = "4"
    & skf18("4","5","2","1","3","6","1") = "5"
    & skf18("4","5","2","1","3","7","1") = "6"
    & skf18("4","5","2","1","3","8","1") = "7"
    & skf18("4","5","2","1","3","9","1") = "8"
    & skf18("4","5","2","1","3","10","1") = "9"
    & skf18("4","5","2","1","4","1","1") = "4"
    & skf18("4","5","2","1","4","2","1") = "4"
    & skf18("4","5","2","1","4","3","1") = "4"
    & skf18("4","5","2","1","4","4","1") = "4"
    & skf18("4","5","2","1","4","5","1") = "4"
    & skf18("4","5","2","1","4","6","1") = "5"
    & skf18("4","5","2","1","4","7","1") = "6"
    & skf18("4","5","2","1","4","8","1") = "7"
    & skf18("4","5","2","1","4","9","1") = "8"
    & skf18("4","5","2","1","4","10","1") = "9"
    & skf18("4","5","2","1","5","1","1") = "4"
    & skf18("4","5","2","1","5","2","1") = "4"
    & skf18("4","5","2","1","5","3","1") = "4"
    & skf18("4","5","2","1","5","4","1") = "4"
    & skf18("4","5","2","1","5","5","1") = "4"
    & skf18("4","5","2","1","5","6","1") = "5"
    & skf18("4","5","2","1","5","7","1") = "6"
    & skf18("4","5","2","1","5","8","1") = "7"
    & skf18("4","5","2","1","5","9","1") = "8"
    & skf18("4","5","2","1","5","10","1") = "9"
    & skf18("4","5","2","1","6","1","1") = "5"
    & skf18("4","5","2","1","6","2","1") = "5"
    & skf18("4","5","2","1","6","3","1") = "5"
    & skf18("4","5","2","1","6","4","1") = "5"
    & skf18("4","5","2","1","6","5","1") = "5"
    & skf18("4","5","2","1","6","6","1") = "5"
    & skf18("4","5","2","1","6","7","1") = "6"
    & skf18("4","5","2","1","6","8","1") = "7"
    & skf18("4","5","2","1","6","9","1") = "8"
    & skf18("4","5","2","1","6","10","1") = "9"
    & skf18("4","5","2","1","7","1","1") = "6"
    & skf18("4","5","2","1","7","2","1") = "6"
    & skf18("4","5","2","1","7","3","1") = "6"
    & skf18("4","5","2","1","7","4","1") = "6"
    & skf18("4","5","2","1","7","5","1") = "6"
    & skf18("4","5","2","1","7","6","1") = "6"
    & skf18("4","5","2","1","7","7","1") = "6"
    & skf18("4","5","2","1","7","8","1") = "7"
    & skf18("4","5","2","1","7","9","1") = "8"
    & skf18("4","5","2","1","7","10","1") = "9"
    & skf18("4","5","2","1","8","1","1") = "7"
    & skf18("4","5","2","1","8","2","1") = "7"
    & skf18("4","5","2","1","8","3","1") = "7"
    & skf18("4","5","2","1","8","4","1") = "7"
    & skf18("4","5","2","1","8","5","1") = "7"
    & skf18("4","5","2","1","8","6","1") = "7"
    & skf18("4","5","2","1","8","7","1") = "7"
    & skf18("4","5","2","1","8","8","1") = "7"
    & skf18("4","5","2","1","8","9","1") = "8"
    & skf18("4","5","2","1","8","10","1") = "9"
    & skf18("4","5","2","1","9","1","1") = "8"
    & skf18("4","5","2","1","9","2","1") = "8"
    & skf18("4","5","2","1","9","3","1") = "8"
    & skf18("4","5","2","1","9","4","1") = "8"
    & skf18("4","5","2","1","9","5","1") = "8"
    & skf18("4","5","2","1","9","6","1") = "8"
    & skf18("4","5","2","1","9","7","1") = "8"
    & skf18("4","5","2","1","9","8","1") = "8"
    & skf18("4","5","2","1","9","9","1") = "8"
    & skf18("4","5","2","1","9","10","1") = "9"
    & skf18("4","5","2","1","10","1","1") = "9"
    & skf18("4","5","2","1","10","2","1") = "9"
    & skf18("4","5","2","1","10","3","1") = "9"
    & skf18("4","5","2","1","10","4","1") = "9"
    & skf18("4","5","2","1","10","5","1") = "9"
    & skf18("4","5","2","1","10","6","1") = "9"
    & skf18("4","5","2","1","10","7","1") = "9"
    & skf18("4","5","2","1","10","8","1") = "9"
    & skf18("4","5","2","1","10","9","1") = "9"
    & skf18("4","5","2","1","10","10","1") = "9"
    & skf18("4","5","2","2","1","1","1") = "4"
    & skf18("4","5","2","2","1","2","1") = "4"
    & skf18("4","5","2","2","1","3","1") = "4"
    & skf18("4","5","2","2","1","4","1") = "4"
    & skf18("4","5","2","2","1","5","1") = "4"
    & skf18("4","5","2","2","1","6","1") = "5"
    & skf18("4","5","2","2","1","7","1") = "6"
    & skf18("4","5","2","2","1","8","1") = "7"
    & skf18("4","5","2","2","1","9","1") = "8"
    & skf18("4","5","2","2","1","10","1") = "9"
    & skf18("4","5","2","2","2","1","1") = "4"
    & skf18("4","5","2","2","2","2","1") = "4"
    & skf18("4","5","2","2","2","3","1") = "4"
    & skf18("4","5","2","2","2","4","1") = "4"
    & skf18("4","5","2","2","2","5","1") = "4"
    & skf18("4","5","2","2","2","6","1") = "5"
    & skf18("4","5","2","2","2","7","1") = "6"
    & skf18("4","5","2","2","2","8","1") = "7"
    & skf18("4","5","2","2","2","9","1") = "8"
    & skf18("4","5","2","2","2","10","1") = "9"
    & skf18("4","5","2","2","3","1","1") = "4"
    & skf18("4","5","2","2","3","2","1") = "4"
    & skf18("4","5","2","2","3","3","1") = "4"
    & skf18("4","5","2","2","3","4","1") = "4"
    & skf18("4","5","2","2","3","5","1") = "4"
    & skf18("4","5","2","2","3","6","1") = "5"
    & skf18("4","5","2","2","3","7","1") = "6"
    & skf18("4","5","2","2","3","8","1") = "7"
    & skf18("4","5","2","2","3","9","1") = "8"
    & skf18("4","5","2","2","3","10","1") = "9"
    & skf18("4","5","2","2","4","1","1") = "4"
    & skf18("4","5","2","2","4","2","1") = "4"
    & skf18("4","5","2","2","4","3","1") = "4"
    & skf18("4","5","2","2","4","4","1") = "4"
    & skf18("4","5","2","2","4","5","1") = "4"
    & skf18("4","5","2","2","4","6","1") = "5"
    & skf18("4","5","2","2","4","7","1") = "6"
    & skf18("4","5","2","2","4","8","1") = "7"
    & skf18("4","5","2","2","4","9","1") = "8"
    & skf18("4","5","2","2","4","10","1") = "9"
    & skf18("4","5","2","2","5","1","1") = "4"
    & skf18("4","5","2","2","5","2","1") = "4"
    & skf18("4","5","2","2","5","3","1") = "4"
    & skf18("4","5","2","2","5","4","1") = "4"
    & skf18("4","5","2","2","5","5","1") = "4"
    & skf18("4","5","2","2","5","6","1") = "5"
    & skf18("4","5","2","2","5","7","1") = "6"
    & skf18("4","5","2","2","5","8","1") = "7"
    & skf18("4","5","2","2","5","9","1") = "8"
    & skf18("4","5","2","2","5","10","1") = "9"
    & skf18("4","5","2","2","6","1","1") = "5"
    & skf18("4","5","2","2","6","2","1") = "5"
    & skf18("4","5","2","2","6","3","1") = "5"
    & skf18("4","5","2","2","6","4","1") = "5"
    & skf18("4","5","2","2","6","5","1") = "5"
    & skf18("4","5","2","2","6","6","1") = "5"
    & skf18("4","5","2","2","6","7","1") = "6"
    & skf18("4","5","2","2","6","8","1") = "7"
    & skf18("4","5","2","2","6","9","1") = "8"
    & skf18("4","5","2","2","6","10","1") = "9"
    & skf18("4","5","2","2","7","1","1") = "6"
    & skf18("4","5","2","2","7","2","1") = "6"
    & skf18("4","5","2","2","7","3","1") = "6"
    & skf18("4","5","2","2","7","4","1") = "6"
    & skf18("4","5","2","2","7","5","1") = "6"
    & skf18("4","5","2","2","7","6","1") = "6"
    & skf18("4","5","2","2","7","7","1") = "6"
    & skf18("4","5","2","2","7","8","1") = "7"
    & skf18("4","5","2","2","7","9","1") = "8"
    & skf18("4","5","2","2","7","10","1") = "9"
    & skf18("4","5","2","2","8","1","1") = "7"
    & skf18("4","5","2","2","8","2","1") = "7"
    & skf18("4","5","2","2","8","3","1") = "7"
    & skf18("4","5","2","2","8","4","1") = "7"
    & skf18("4","5","2","2","8","5","1") = "7"
    & skf18("4","5","2","2","8","6","1") = "7"
    & skf18("4","5","2","2","8","7","1") = "7"
    & skf18("4","5","2","2","8","8","1") = "7"
    & skf18("4","5","2","2","8","9","1") = "8"
    & skf18("4","5","2","2","8","10","1") = "9"
    & skf18("4","5","2","2","9","1","1") = "8"
    & skf18("4","5","2","2","9","2","1") = "8"
    & skf18("4","5","2","2","9","3","1") = "8"
    & skf18("4","5","2","2","9","4","1") = "8"
    & skf18("4","5","2","2","9","5","1") = "8"
    & skf18("4","5","2","2","9","6","1") = "8"
    & skf18("4","5","2","2","9","7","1") = "8"
    & skf18("4","5","2","2","9","8","1") = "8"
    & skf18("4","5","2","2","9","9","1") = "8"
    & skf18("4","5","2","2","9","10","1") = "9"
    & skf18("4","5","2","2","10","1","1") = "9"
    & skf18("4","5","2","2","10","2","1") = "9"
    & skf18("4","5","2","2","10","3","1") = "9"
    & skf18("4","5","2","2","10","4","1") = "9"
    & skf18("4","5","2","2","10","5","1") = "9"
    & skf18("4","5","2","2","10","6","1") = "9"
    & skf18("4","5","2","2","10","7","1") = "9"
    & skf18("4","5","2","2","10","8","1") = "9"
    & skf18("4","5","2","2","10","9","1") = "9"
    & skf18("4","5","2","2","10","10","1") = "9"
    & skf18("4","5","2","3","1","1","1") = "4"
    & skf18("4","5","2","3","1","2","1") = "4"
    & skf18("4","5","2","3","1","3","1") = "4"
    & skf18("4","5","2","3","1","4","1") = "4"
    & skf18("4","5","2","3","1","5","1") = "4"
    & skf18("4","5","2","3","1","6","1") = "5"
    & skf18("4","5","2","3","1","7","1") = "6"
    & skf18("4","5","2","3","1","8","1") = "7"
    & skf18("4","5","2","3","1","9","1") = "8"
    & skf18("4","5","2","3","1","10","1") = "9"
    & skf18("4","5","2","3","2","1","1") = "4"
    & skf18("4","5","2","3","2","2","1") = "4"
    & skf18("4","5","2","3","2","3","1") = "4"
    & skf18("4","5","2","3","2","4","1") = "4"
    & skf18("4","5","2","3","2","5","1") = "4"
    & skf18("4","5","2","3","2","6","1") = "5"
    & skf18("4","5","2","3","2","7","1") = "6"
    & skf18("4","5","2","3","2","8","1") = "7"
    & skf18("4","5","2","3","2","9","1") = "8"
    & skf18("4","5","2","3","2","10","1") = "9"
    & skf18("4","5","2","3","3","1","1") = "4"
    & skf18("4","5","2","3","3","2","1") = "4"
    & skf18("4","5","2","3","3","3","1") = "4"
    & skf18("4","5","2","3","3","4","1") = "4"
    & skf18("4","5","2","3","3","5","1") = "4"
    & skf18("4","5","2","3","3","6","1") = "5"
    & skf18("4","5","2","3","3","7","1") = "6"
    & skf18("4","5","2","3","3","8","1") = "7"
    & skf18("4","5","2","3","3","9","1") = "8"
    & skf18("4","5","2","3","3","10","1") = "9"
    & skf18("4","5","2","3","4","1","1") = "4"
    & skf18("4","5","2","3","4","2","1") = "4"
    & skf18("4","5","2","3","4","3","1") = "4"
    & skf18("4","5","2","3","4","4","1") = "4"
    & skf18("4","5","2","3","4","5","1") = "4"
    & skf18("4","5","2","3","4","6","1") = "5"
    & skf18("4","5","2","3","4","7","1") = "6"
    & skf18("4","5","2","3","4","8","1") = "7"
    & skf18("4","5","2","3","4","9","1") = "8"
    & skf18("4","5","2","3","4","10","1") = "9"
    & skf18("4","5","2","3","5","1","1") = "4"
    & skf18("4","5","2","3","5","2","1") = "4"
    & skf18("4","5","2","3","5","3","1") = "4"
    & skf18("4","5","2","3","5","4","1") = "4"
    & skf18("4","5","2","3","5","5","1") = "4"
    & skf18("4","5","2","3","5","6","1") = "5"
    & skf18("4","5","2","3","5","7","1") = "6"
    & skf18("4","5","2","3","5","8","1") = "7"
    & skf18("4","5","2","3","5","9","1") = "8"
    & skf18("4","5","2","3","5","10","1") = "9"
    & skf18("4","5","2","3","6","1","1") = "5"
    & skf18("4","5","2","3","6","2","1") = "5"
    & skf18("4","5","2","3","6","3","1") = "5"
    & skf18("4","5","2","3","6","4","1") = "5"
    & skf18("4","5","2","3","6","5","1") = "5"
    & skf18("4","5","2","3","6","6","1") = "5"
    & skf18("4","5","2","3","6","7","1") = "6"
    & skf18("4","5","2","3","6","8","1") = "7"
    & skf18("4","5","2","3","6","9","1") = "8"
    & skf18("4","5","2","3","6","10","1") = "9"
    & skf18("4","5","2","3","7","1","1") = "6"
    & skf18("4","5","2","3","7","2","1") = "6"
    & skf18("4","5","2","3","7","3","1") = "6"
    & skf18("4","5","2","3","7","4","1") = "6"
    & skf18("4","5","2","3","7","5","1") = "6"
    & skf18("4","5","2","3","7","6","1") = "6"
    & skf18("4","5","2","3","7","7","1") = "6"
    & skf18("4","5","2","3","7","8","1") = "7"
    & skf18("4","5","2","3","7","9","1") = "8"
    & skf18("4","5","2","3","7","10","1") = "9"
    & skf18("4","5","2","3","8","1","1") = "7"
    & skf18("4","5","2","3","8","2","1") = "7"
    & skf18("4","5","2","3","8","3","1") = "7"
    & skf18("4","5","2","3","8","4","1") = "7"
    & skf18("4","5","2","3","8","5","1") = "7"
    & skf18("4","5","2","3","8","6","1") = "7"
    & skf18("4","5","2","3","8","7","1") = "7"
    & skf18("4","5","2","3","8","8","1") = "7"
    & skf18("4","5","2","3","8","9","1") = "8"
    & skf18("4","5","2","3","8","10","1") = "9"
    & skf18("4","5","2","3","9","1","1") = "8"
    & skf18("4","5","2","3","9","2","1") = "8"
    & skf18("4","5","2","3","9","3","1") = "8"
    & skf18("4","5","2","3","9","4","1") = "8"
    & skf18("4","5","2","3","9","5","1") = "8"
    & skf18("4","5","2","3","9","6","1") = "8"
    & skf18("4","5","2","3","9","7","1") = "8"
    & skf18("4","5","2","3","9","8","1") = "8"
    & skf18("4","5","2","3","9","9","1") = "8"
    & skf18("4","5","2","3","9","10","1") = "9"
    & skf18("4","5","2","3","10","1","1") = "9"
    & skf18("4","5","2","3","10","2","1") = "9"
    & skf18("4","5","2","3","10","3","1") = "9"
    & skf18("4","5","2","3","10","4","1") = "9"
    & skf18("4","5","2","3","10","5","1") = "9"
    & skf18("4","5","2","3","10","6","1") = "9"
    & skf18("4","5","2","3","10","7","1") = "9"
    & skf18("4","5","2","3","10","8","1") = "9"
    & skf18("4","5","2","3","10","9","1") = "9"
    & skf18("4","5","2","3","10","10","1") = "9"
    & skf18("4","5","2","4","1","1","1") = "4"
    & skf18("4","5","2","4","1","2","1") = "4"
    & skf18("4","5","2","4","1","3","1") = "4"
    & skf18("4","5","2","4","1","4","1") = "4"
    & skf18("4","5","2","4","1","5","1") = "4"
    & skf18("4","5","2","4","1","6","1") = "5"
    & skf18("4","5","2","4","1","7","1") = "6"
    & skf18("4","5","2","4","1","8","1") = "7"
    & skf18("4","5","2","4","1","9","1") = "8"
    & skf18("4","5","2","4","1","10","1") = "9"
    & skf18("4","5","2","4","2","1","1") = "4"
    & skf18("4","5","2","4","2","2","1") = "4"
    & skf18("4","5","2","4","2","3","1") = "4"
    & skf18("4","5","2","4","2","4","1") = "4"
    & skf18("4","5","2","4","2","5","1") = "4"
    & skf18("4","5","2","4","2","6","1") = "5"
    & skf18("4","5","2","4","2","7","1") = "6"
    & skf18("4","5","2","4","2","8","1") = "7"
    & skf18("4","5","2","4","2","9","1") = "8"
    & skf18("4","5","2","4","2","10","1") = "9"
    & skf18("4","5","2","4","3","1","1") = "4"
    & skf18("4","5","2","4","3","2","1") = "4"
    & skf18("4","5","2","4","3","3","1") = "4"
    & skf18("4","5","2","4","3","4","1") = "4"
    & skf18("4","5","2","4","3","5","1") = "4"
    & skf18("4","5","2","4","3","6","1") = "5"
    & skf18("4","5","2","4","3","7","1") = "6"
    & skf18("4","5","2","4","3","8","1") = "7"
    & skf18("4","5","2","4","3","9","1") = "8"
    & skf18("4","5","2","4","3","10","1") = "9"
    & skf18("4","5","2","4","4","1","1") = "4"
    & skf18("4","5","2","4","4","2","1") = "4"
    & skf18("4","5","2","4","4","3","1") = "4"
    & skf18("4","5","2","4","4","4","1") = "4"
    & skf18("4","5","2","4","4","5","1") = "4"
    & skf18("4","5","2","4","4","6","1") = "5"
    & skf18("4","5","2","4","4","7","1") = "6"
    & skf18("4","5","2","4","4","8","1") = "7"
    & skf18("4","5","2","4","4","9","1") = "8"
    & skf18("4","5","2","4","4","10","1") = "9"
    & skf18("4","5","2","4","5","1","1") = "4"
    & skf18("4","5","2","4","5","2","1") = "4"
    & skf18("4","5","2","4","5","3","1") = "4"
    & skf18("4","5","2","4","5","4","1") = "4"
    & skf18("4","5","2","4","5","5","1") = "4"
    & skf18("4","5","2","4","5","6","1") = "5"
    & skf18("4","5","2","4","5","7","1") = "6"
    & skf18("4","5","2","4","5","8","1") = "7"
    & skf18("4","5","2","4","5","9","1") = "8"
    & skf18("4","5","2","4","5","10","1") = "9"
    & skf18("4","5","2","4","6","1","1") = "5"
    & skf18("4","5","2","4","6","2","1") = "5"
    & skf18("4","5","2","4","6","3","1") = "5"
    & skf18("4","5","2","4","6","4","1") = "5"
    & skf18("4","5","2","4","6","5","1") = "5"
    & skf18("4","5","2","4","6","6","1") = "5"
    & skf18("4","5","2","4","6","7","1") = "6"
    & skf18("4","5","2","4","6","8","1") = "7"
    & skf18("4","5","2","4","6","9","1") = "8"
    & skf18("4","5","2","4","6","10","1") = "9"
    & skf18("4","5","2","4","7","1","1") = "6"
    & skf18("4","5","2","4","7","2","1") = "6"
    & skf18("4","5","2","4","7","3","1") = "6"
    & skf18("4","5","2","4","7","4","1") = "6"
    & skf18("4","5","2","4","7","5","1") = "6"
    & skf18("4","5","2","4","7","6","1") = "6"
    & skf18("4","5","2","4","7","7","1") = "6"
    & skf18("4","5","2","4","7","8","1") = "7"
    & skf18("4","5","2","4","7","9","1") = "8"
    & skf18("4","5","2","4","7","10","1") = "9"
    & skf18("4","5","2","4","8","1","1") = "7"
    & skf18("4","5","2","4","8","2","1") = "7"
    & skf18("4","5","2","4","8","3","1") = "7"
    & skf18("4","5","2","4","8","4","1") = "7"
    & skf18("4","5","2","4","8","5","1") = "7"
    & skf18("4","5","2","4","8","6","1") = "7"
    & skf18("4","5","2","4","8","7","1") = "7"
    & skf18("4","5","2","4","8","8","1") = "7"
    & skf18("4","5","2","4","8","9","1") = "8"
    & skf18("4","5","2","4","8","10","1") = "9"
    & skf18("4","5","2","4","9","1","1") = "8"
    & skf18("4","5","2","4","9","2","1") = "8"
    & skf18("4","5","2","4","9","3","1") = "8"
    & skf18("4","5","2","4","9","4","1") = "8"
    & skf18("4","5","2","4","9","5","1") = "8"
    & skf18("4","5","2","4","9","6","1") = "8"
    & skf18("4","5","2","4","9","7","1") = "8"
    & skf18("4","5","2","4","9","8","1") = "8"
    & skf18("4","5","2","4","9","9","1") = "8"
    & skf18("4","5","2","4","9","10","1") = "9"
    & skf18("4","5","2","4","10","1","1") = "9"
    & skf18("4","5","2","4","10","2","1") = "9"
    & skf18("4","5","2","4","10","3","1") = "9"
    & skf18("4","5","2","4","10","4","1") = "9"
    & skf18("4","5","2","4","10","5","1") = "9"
    & skf18("4","5","2","4","10","6","1") = "9"
    & skf18("4","5","2","4","10","7","1") = "9"
    & skf18("4","5","2","4","10","8","1") = "9"
    & skf18("4","5","2","4","10","9","1") = "9"
    & skf18("4","5","2","4","10","10","1") = "9"
    & skf18("4","5","2","5","1","1","1") = "4"
    & skf18("4","5","2","5","1","2","1") = "4"
    & skf18("4","5","2","5","1","3","1") = "4"
    & skf18("4","5","2","5","1","4","1") = "4"
    & skf18("4","5","2","5","1","5","1") = "4"
    & skf18("4","5","2","5","1","6","1") = "5"
    & skf18("4","5","2","5","1","7","1") = "6"
    & skf18("4","5","2","5","1","8","1") = "7"
    & skf18("4","5","2","5","1","9","1") = "8"
    & skf18("4","5","2","5","1","10","1") = "9"
    & skf18("4","5","2","5","2","1","1") = "4"
    & skf18("4","5","2","5","2","2","1") = "4"
    & skf18("4","5","2","5","2","3","1") = "4"
    & skf18("4","5","2","5","2","4","1") = "4"
    & skf18("4","5","2","5","2","5","1") = "4"
    & skf18("4","5","2","5","2","6","1") = "5"
    & skf18("4","5","2","5","2","7","1") = "6"
    & skf18("4","5","2","5","2","8","1") = "7"
    & skf18("4","5","2","5","2","9","1") = "8"
    & skf18("4","5","2","5","2","10","1") = "9"
    & skf18("4","5","2","5","3","1","1") = "4"
    & skf18("4","5","2","5","3","2","1") = "4"
    & skf18("4","5","2","5","3","3","1") = "4"
    & skf18("4","5","2","5","3","4","1") = "4"
    & skf18("4","5","2","5","3","5","1") = "4"
    & skf18("4","5","2","5","3","6","1") = "5"
    & skf18("4","5","2","5","3","7","1") = "6"
    & skf18("4","5","2","5","3","8","1") = "7"
    & skf18("4","5","2","5","3","9","1") = "8"
    & skf18("4","5","2","5","3","10","1") = "9"
    & skf18("4","5","2","5","4","1","1") = "4"
    & skf18("4","5","2","5","4","2","1") = "4"
    & skf18("4","5","2","5","4","3","1") = "4"
    & skf18("4","5","2","5","4","4","1") = "4"
    & skf18("4","5","2","5","4","5","1") = "4"
    & skf18("4","5","2","5","4","6","1") = "5"
    & skf18("4","5","2","5","4","7","1") = "6"
    & skf18("4","5","2","5","4","8","1") = "7"
    & skf18("4","5","2","5","4","9","1") = "8"
    & skf18("4","5","2","5","4","10","1") = "9"
    & skf18("4","5","2","5","5","1","1") = "4"
    & skf18("4","5","2","5","5","2","1") = "4"
    & skf18("4","5","2","5","5","3","1") = "4"
    & skf18("4","5","2","5","5","4","1") = "4"
    & skf18("4","5","2","5","5","5","1") = "4"
    & skf18("4","5","2","5","5","6","1") = "5"
    & skf18("4","5","2","5","5","7","1") = "6"
    & skf18("4","5","2","5","5","8","1") = "7"
    & skf18("4","5","2","5","5","9","1") = "8"
    & skf18("4","5","2","5","5","10","1") = "9"
    & skf18("4","5","2","5","6","1","1") = "5"
    & skf18("4","5","2","5","6","2","1") = "5"
    & skf18("4","5","2","5","6","3","1") = "5"
    & skf18("4","5","2","5","6","4","1") = "5"
    & skf18("4","5","2","5","6","5","1") = "5"
    & skf18("4","5","2","5","6","6","1") = "5"
    & skf18("4","5","2","5","6","7","1") = "6"
    & skf18("4","5","2","5","6","8","1") = "7"
    & skf18("4","5","2","5","6","9","1") = "8"
    & skf18("4","5","2","5","6","10","1") = "9"
    & skf18("4","5","2","5","7","1","1") = "6"
    & skf18("4","5","2","5","7","2","1") = "6"
    & skf18("4","5","2","5","7","3","1") = "6"
    & skf18("4","5","2","5","7","4","1") = "6"
    & skf18("4","5","2","5","7","5","1") = "6"
    & skf18("4","5","2","5","7","6","1") = "6"
    & skf18("4","5","2","5","7","7","1") = "6"
    & skf18("4","5","2","5","7","8","1") = "7"
    & skf18("4","5","2","5","7","9","1") = "8"
    & skf18("4","5","2","5","7","10","1") = "9"
    & skf18("4","5","2","5","8","1","1") = "7"
    & skf18("4","5","2","5","8","2","1") = "7"
    & skf18("4","5","2","5","8","3","1") = "7"
    & skf18("4","5","2","5","8","4","1") = "7"
    & skf18("4","5","2","5","8","5","1") = "7"
    & skf18("4","5","2","5","8","6","1") = "7"
    & skf18("4","5","2","5","8","7","1") = "7"
    & skf18("4","5","2","5","8","8","1") = "7"
    & skf18("4","5","2","5","8","9","1") = "8"
    & skf18("4","5","2","5","8","10","1") = "9"
    & skf18("4","5","2","5","9","1","1") = "8"
    & skf18("4","5","2","5","9","2","1") = "8"
    & skf18("4","5","2","5","9","3","1") = "8"
    & skf18("4","5","2","5","9","4","1") = "8"
    & skf18("4","5","2","5","9","5","1") = "8"
    & skf18("4","5","2","5","9","6","1") = "8"
    & skf18("4","5","2","5","9","7","1") = "8"
    & skf18("4","5","2","5","9","8","1") = "8"
    & skf18("4","5","2","5","9","9","1") = "8"
    & skf18("4","5","2","5","9","10","1") = "9"
    & skf18("4","5","2","5","10","1","1") = "9"
    & skf18("4","5","2","5","10","2","1") = "9"
    & skf18("4","5","2","5","10","3","1") = "9"
    & skf18("4","5","2","5","10","4","1") = "9"
    & skf18("4","5","2","5","10","5","1") = "9"
    & skf18("4","5","2","5","10","6","1") = "9"
    & skf18("4","5","2","5","10","7","1") = "9"
    & skf18("4","5","2","5","10","8","1") = "9"
    & skf18("4","5","2","5","10","9","1") = "9"
    & skf18("4","5","2","5","10","10","1") = "9"
    & skf18("4","5","2","6","1","1","1") = "5"
    & skf18("4","5","2","6","1","2","1") = "5"
    & skf18("4","5","2","6","1","3","1") = "5"
    & skf18("4","5","2","6","1","4","1") = "5"
    & skf18("4","5","2","6","1","5","1") = "5"
    & skf18("4","5","2","6","1","6","1") = "5"
    & skf18("4","5","2","6","1","7","1") = "6"
    & skf18("4","5","2","6","1","8","1") = "7"
    & skf18("4","5","2","6","1","9","1") = "8"
    & skf18("4","5","2","6","1","10","1") = "9"
    & skf18("4","5","2","6","2","1","1") = "5"
    & skf18("4","5","2","6","2","2","1") = "5"
    & skf18("4","5","2","6","2","3","1") = "5"
    & skf18("4","5","2","6","2","4","1") = "5"
    & skf18("4","5","2","6","2","5","1") = "5"
    & skf18("4","5","2","6","2","6","1") = "5"
    & skf18("4","5","2","6","2","7","1") = "6"
    & skf18("4","5","2","6","2","8","1") = "7"
    & skf18("4","5","2","6","2","9","1") = "8"
    & skf18("4","5","2","6","2","10","1") = "9"
    & skf18("4","5","2","6","3","1","1") = "5"
    & skf18("4","5","2","6","3","2","1") = "5"
    & skf18("4","5","2","6","3","3","1") = "5"
    & skf18("4","5","2","6","3","4","1") = "5"
    & skf18("4","5","2","6","3","5","1") = "5"
    & skf18("4","5","2","6","3","6","1") = "5"
    & skf18("4","5","2","6","3","7","1") = "6"
    & skf18("4","5","2","6","3","8","1") = "7"
    & skf18("4","5","2","6","3","9","1") = "8"
    & skf18("4","5","2","6","3","10","1") = "9"
    & skf18("4","5","2","6","4","1","1") = "5"
    & skf18("4","5","2","6","4","2","1") = "5"
    & skf18("4","5","2","6","4","3","1") = "5"
    & skf18("4","5","2","6","4","4","1") = "5"
    & skf18("4","5","2","6","4","5","1") = "5"
    & skf18("4","5","2","6","4","6","1") = "5"
    & skf18("4","5","2","6","4","7","1") = "6"
    & skf18("4","5","2","6","4","8","1") = "7"
    & skf18("4","5","2","6","4","9","1") = "8"
    & skf18("4","5","2","6","4","10","1") = "9"
    & skf18("4","5","2","6","5","1","1") = "5"
    & skf18("4","5","2","6","5","2","1") = "5"
    & skf18("4","5","2","6","5","3","1") = "5"
    & skf18("4","5","2","6","5","4","1") = "5"
    & skf18("4","5","2","6","5","5","1") = "5"
    & skf18("4","5","2","6","5","6","1") = "5"
    & skf18("4","5","2","6","5","7","1") = "6"
    & skf18("4","5","2","6","5","8","1") = "7"
    & skf18("4","5","2","6","5","9","1") = "8"
    & skf18("4","5","2","6","5","10","1") = "9"
    & skf18("4","5","2","6","6","1","1") = "5"
    & skf18("4","5","2","6","6","2","1") = "5"
    & skf18("4","5","2","6","6","3","1") = "5"
    & skf18("4","5","2","6","6","4","1") = "5"
    & skf18("4","5","2","6","6","5","1") = "5"
    & skf18("4","5","2","6","6","6","1") = "5"
    & skf18("4","5","2","6","6","7","1") = "6"
    & skf18("4","5","2","6","6","8","1") = "7"
    & skf18("4","5","2","6","6","9","1") = "8"
    & skf18("4","5","2","6","6","10","1") = "9"
    & skf18("4","5","2","6","7","1","1") = "6"
    & skf18("4","5","2","6","7","2","1") = "6"
    & skf18("4","5","2","6","7","3","1") = "6"
    & skf18("4","5","2","6","7","4","1") = "6"
    & skf18("4","5","2","6","7","5","1") = "6"
    & skf18("4","5","2","6","7","6","1") = "6"
    & skf18("4","5","2","6","7","7","1") = "6"
    & skf18("4","5","2","6","7","8","1") = "7"
    & skf18("4","5","2","6","7","9","1") = "8"
    & skf18("4","5","2","6","7","10","1") = "9"
    & skf18("4","5","2","6","8","1","1") = "7"
    & skf18("4","5","2","6","8","2","1") = "7"
    & skf18("4","5","2","6","8","3","1") = "7"
    & skf18("4","5","2","6","8","4","1") = "7"
    & skf18("4","5","2","6","8","5","1") = "7"
    & skf18("4","5","2","6","8","6","1") = "7"
    & skf18("4","5","2","6","8","7","1") = "7"
    & skf18("4","5","2","6","8","8","1") = "7"
    & skf18("4","5","2","6","8","9","1") = "8"
    & skf18("4","5","2","6","8","10","1") = "9"
    & skf18("4","5","2","6","9","1","1") = "8"
    & skf18("4","5","2","6","9","2","1") = "8"
    & skf18("4","5","2","6","9","3","1") = "8"
    & skf18("4","5","2","6","9","4","1") = "8"
    & skf18("4","5","2","6","9","5","1") = "8"
    & skf18("4","5","2","6","9","6","1") = "8"
    & skf18("4","5","2","6","9","7","1") = "8"
    & skf18("4","5","2","6","9","8","1") = "8"
    & skf18("4","5","2","6","9","9","1") = "8"
    & skf18("4","5","2","6","9","10","1") = "9"
    & skf18("4","5","2","6","10","1","1") = "9"
    & skf18("4","5","2","6","10","2","1") = "9"
    & skf18("4","5","2","6","10","3","1") = "9"
    & skf18("4","5","2","6","10","4","1") = "9"
    & skf18("4","5","2","6","10","5","1") = "9"
    & skf18("4","5","2","6","10","6","1") = "9"
    & skf18("4","5","2","6","10","7","1") = "9"
    & skf18("4","5","2","6","10","8","1") = "9"
    & skf18("4","5","2","6","10","9","1") = "9"
    & skf18("4","5","2","6","10","10","1") = "9"
    & skf18("4","5","2","7","1","1","1") = "6"
    & skf18("4","5","2","7","1","2","1") = "6"
    & skf18("4","5","2","7","1","3","1") = "6"
    & skf18("4","5","2","7","1","4","1") = "6"
    & skf18("4","5","2","7","1","5","1") = "6"
    & skf18("4","5","2","7","1","6","1") = "6"
    & skf18("4","5","2","7","1","7","1") = "6"
    & skf18("4","5","2","7","1","8","1") = "7"
    & skf18("4","5","2","7","1","9","1") = "8"
    & skf18("4","5","2","7","1","10","1") = "9"
    & skf18("4","5","2","7","2","1","1") = "6"
    & skf18("4","5","2","7","2","2","1") = "6"
    & skf18("4","5","2","7","2","3","1") = "6"
    & skf18("4","5","2","7","2","4","1") = "6"
    & skf18("4","5","2","7","2","5","1") = "6"
    & skf18("4","5","2","7","2","6","1") = "6"
    & skf18("4","5","2","7","2","7","1") = "6"
    & skf18("4","5","2","7","2","8","1") = "7"
    & skf18("4","5","2","7","2","9","1") = "8"
    & skf18("4","5","2","7","2","10","1") = "9"
    & skf18("4","5","2","7","3","1","1") = "6"
    & skf18("4","5","2","7","3","2","1") = "6"
    & skf18("4","5","2","7","3","3","1") = "6"
    & skf18("4","5","2","7","3","4","1") = "6"
    & skf18("4","5","2","7","3","5","1") = "6"
    & skf18("4","5","2","7","3","6","1") = "6"
    & skf18("4","5","2","7","3","7","1") = "6"
    & skf18("4","5","2","7","3","8","1") = "7"
    & skf18("4","5","2","7","3","9","1") = "8"
    & skf18("4","5","2","7","3","10","1") = "9"
    & skf18("4","5","2","7","4","1","1") = "6"
    & skf18("4","5","2","7","4","2","1") = "6"
    & skf18("4","5","2","7","4","3","1") = "6"
    & skf18("4","5","2","7","4","4","1") = "6"
    & skf18("4","5","2","7","4","5","1") = "6"
    & skf18("4","5","2","7","4","6","1") = "6"
    & skf18("4","5","2","7","4","7","1") = "6"
    & skf18("4","5","2","7","4","8","1") = "7"
    & skf18("4","5","2","7","4","9","1") = "8"
    & skf18("4","5","2","7","4","10","1") = "9"
    & skf18("4","5","2","7","5","1","1") = "6"
    & skf18("4","5","2","7","5","2","1") = "6"
    & skf18("4","5","2","7","5","3","1") = "6"
    & skf18("4","5","2","7","5","4","1") = "6"
    & skf18("4","5","2","7","5","5","1") = "6"
    & skf18("4","5","2","7","5","6","1") = "6"
    & skf18("4","5","2","7","5","7","1") = "6"
    & skf18("4","5","2","7","5","8","1") = "7"
    & skf18("4","5","2","7","5","9","1") = "8"
    & skf18("4","5","2","7","5","10","1") = "9"
    & skf18("4","5","2","7","6","1","1") = "6"
    & skf18("4","5","2","7","6","2","1") = "6"
    & skf18("4","5","2","7","6","3","1") = "6"
    & skf18("4","5","2","7","6","4","1") = "6"
    & skf18("4","5","2","7","6","5","1") = "6"
    & skf18("4","5","2","7","6","6","1") = "6"
    & skf18("4","5","2","7","6","7","1") = "6"
    & skf18("4","5","2","7","6","8","1") = "7"
    & skf18("4","5","2","7","6","9","1") = "8"
    & skf18("4","5","2","7","6","10","1") = "9"
    & skf18("4","5","2","7","7","1","1") = "6"
    & skf18("4","5","2","7","7","2","1") = "6"
    & skf18("4","5","2","7","7","3","1") = "6"
    & skf18("4","5","2","7","7","4","1") = "6"
    & skf18("4","5","2","7","7","5","1") = "6"
    & skf18("4","5","2","7","7","6","1") = "6"
    & skf18("4","5","2","7","7","7","1") = "6"
    & skf18("4","5","2","7","7","8","1") = "7"
    & skf18("4","5","2","7","7","9","1") = "8"
    & skf18("4","5","2","7","7","10","1") = "9"
    & skf18("4","5","2","7","8","1","1") = "7"
    & skf18("4","5","2","7","8","2","1") = "7"
    & skf18("4","5","2","7","8","3","1") = "7"
    & skf18("4","5","2","7","8","4","1") = "7"
    & skf18("4","5","2","7","8","5","1") = "7"
    & skf18("4","5","2","7","8","6","1") = "7"
    & skf18("4","5","2","7","8","7","1") = "7"
    & skf18("4","5","2","7","8","8","1") = "7"
    & skf18("4","5","2","7","8","9","1") = "8"
    & skf18("4","5","2","7","8","10","1") = "9"
    & skf18("4","5","2","7","9","1","1") = "8"
    & skf18("4","5","2","7","9","2","1") = "8"
    & skf18("4","5","2","7","9","3","1") = "8"
    & skf18("4","5","2","7","9","4","1") = "8"
    & skf18("4","5","2","7","9","5","1") = "8"
    & skf18("4","5","2","7","9","6","1") = "8"
    & skf18("4","5","2","7","9","7","1") = "8"
    & skf18("4","5","2","7","9","8","1") = "8"
    & skf18("4","5","2","7","9","9","1") = "8"
    & skf18("4","5","2","7","9","10","1") = "9"
    & skf18("4","5","2","7","10","1","1") = "9"
    & skf18("4","5","2","7","10","2","1") = "9"
    & skf18("4","5","2","7","10","3","1") = "9"
    & skf18("4","5","2","7","10","4","1") = "9"
    & skf18("4","5","2","7","10","5","1") = "9"
    & skf18("4","5","2","7","10","6","1") = "9"
    & skf18("4","5","2","7","10","7","1") = "9"
    & skf18("4","5","2","7","10","8","1") = "9"
    & skf18("4","5","2","7","10","9","1") = "9"
    & skf18("4","5","2","7","10","10","1") = "9"
    & skf18("4","5","2","8","1","1","1") = "7"
    & skf18("4","5","2","8","1","2","1") = "7"
    & skf18("4","5","2","8","1","3","1") = "7"
    & skf18("4","5","2","8","1","4","1") = "7"
    & skf18("4","5","2","8","1","5","1") = "7"
    & skf18("4","5","2","8","1","6","1") = "7"
    & skf18("4","5","2","8","1","7","1") = "7"
    & skf18("4","5","2","8","1","8","1") = "7"
    & skf18("4","5","2","8","1","9","1") = "8"
    & skf18("4","5","2","8","1","10","1") = "9"
    & skf18("4","5","2","8","2","1","1") = "7"
    & skf18("4","5","2","8","2","2","1") = "7"
    & skf18("4","5","2","8","2","3","1") = "7"
    & skf18("4","5","2","8","2","4","1") = "7"
    & skf18("4","5","2","8","2","5","1") = "7"
    & skf18("4","5","2","8","2","6","1") = "7"
    & skf18("4","5","2","8","2","7","1") = "7"
    & skf18("4","5","2","8","2","8","1") = "7"
    & skf18("4","5","2","8","2","9","1") = "8"
    & skf18("4","5","2","8","2","10","1") = "9"
    & skf18("4","5","2","8","3","1","1") = "7"
    & skf18("4","5","2","8","3","2","1") = "7"
    & skf18("4","5","2","8","3","3","1") = "7"
    & skf18("4","5","2","8","3","4","1") = "7"
    & skf18("4","5","2","8","3","5","1") = "7"
    & skf18("4","5","2","8","3","6","1") = "7"
    & skf18("4","5","2","8","3","7","1") = "7"
    & skf18("4","5","2","8","3","8","1") = "7"
    & skf18("4","5","2","8","3","9","1") = "8"
    & skf18("4","5","2","8","3","10","1") = "9"
    & skf18("4","5","2","8","4","1","1") = "7"
    & skf18("4","5","2","8","4","2","1") = "7"
    & skf18("4","5","2","8","4","3","1") = "7"
    & skf18("4","5","2","8","4","4","1") = "7"
    & skf18("4","5","2","8","4","5","1") = "7"
    & skf18("4","5","2","8","4","6","1") = "7"
    & skf18("4","5","2","8","4","7","1") = "7"
    & skf18("4","5","2","8","4","8","1") = "7"
    & skf18("4","5","2","8","4","9","1") = "8"
    & skf18("4","5","2","8","4","10","1") = "9"
    & skf18("4","5","2","8","5","1","1") = "7"
    & skf18("4","5","2","8","5","2","1") = "7"
    & skf18("4","5","2","8","5","3","1") = "7"
    & skf18("4","5","2","8","5","4","1") = "7"
    & skf18("4","5","2","8","5","5","1") = "7"
    & skf18("4","5","2","8","5","6","1") = "7"
    & skf18("4","5","2","8","5","7","1") = "7"
    & skf18("4","5","2","8","5","8","1") = "7"
    & skf18("4","5","2","8","5","9","1") = "8"
    & skf18("4","5","2","8","5","10","1") = "9"
    & skf18("4","5","2","8","6","1","1") = "7"
    & skf18("4","5","2","8","6","2","1") = "7"
    & skf18("4","5","2","8","6","3","1") = "7"
    & skf18("4","5","2","8","6","4","1") = "7"
    & skf18("4","5","2","8","6","5","1") = "7"
    & skf18("4","5","2","8","6","6","1") = "7"
    & skf18("4","5","2","8","6","7","1") = "7"
    & skf18("4","5","2","8","6","8","1") = "7"
    & skf18("4","5","2","8","6","9","1") = "8"
    & skf18("4","5","2","8","6","10","1") = "9"
    & skf18("4","5","2","8","7","1","1") = "7"
    & skf18("4","5","2","8","7","2","1") = "7"
    & skf18("4","5","2","8","7","3","1") = "7"
    & skf18("4","5","2","8","7","4","1") = "7"
    & skf18("4","5","2","8","7","5","1") = "7"
    & skf18("4","5","2","8","7","6","1") = "7"
    & skf18("4","5","2","8","7","7","1") = "7"
    & skf18("4","5","2","8","7","8","1") = "7"
    & skf18("4","5","2","8","7","9","1") = "8"
    & skf18("4","5","2","8","7","10","1") = "9"
    & skf18("4","5","2","8","8","1","1") = "7"
    & skf18("4","5","2","8","8","2","1") = "7"
    & skf18("4","5","2","8","8","3","1") = "7"
    & skf18("4","5","2","8","8","4","1") = "7"
    & skf18("4","5","2","8","8","5","1") = "7"
    & skf18("4","5","2","8","8","6","1") = "7"
    & skf18("4","5","2","8","8","7","1") = "7"
    & skf18("4","5","2","8","8","8","1") = "7"
    & skf18("4","5","2","8","8","9","1") = "8"
    & skf18("4","5","2","8","8","10","1") = "9"
    & skf18("4","5","2","8","9","1","1") = "8"
    & skf18("4","5","2","8","9","2","1") = "8"
    & skf18("4","5","2","8","9","3","1") = "8"
    & skf18("4","5","2","8","9","4","1") = "8"
    & skf18("4","5","2","8","9","5","1") = "8"
    & skf18("4","5","2","8","9","6","1") = "8"
    & skf18("4","5","2","8","9","7","1") = "8"
    & skf18("4","5","2","8","9","8","1") = "8"
    & skf18("4","5","2","8","9","9","1") = "8"
    & skf18("4","5","2","8","9","10","1") = "9"
    & skf18("4","5","2","8","10","1","1") = "9"
    & skf18("4","5","2","8","10","2","1") = "9"
    & skf18("4","5","2","8","10","3","1") = "9"
    & skf18("4","5","2","8","10","4","1") = "9"
    & skf18("4","5","2","8","10","5","1") = "9"
    & skf18("4","5","2","8","10","6","1") = "9"
    & skf18("4","5","2","8","10","7","1") = "9"
    & skf18("4","5","2","8","10","8","1") = "9"
    & skf18("4","5","2","8","10","9","1") = "9"
    & skf18("4","5","2","8","10","10","1") = "9"
    & skf18("4","5","2","9","1","1","1") = "8"
    & skf18("4","5","2","9","1","2","1") = "8"
    & skf18("4","5","2","9","1","3","1") = "8"
    & skf18("4","5","2","9","1","4","1") = "8"
    & skf18("4","5","2","9","1","5","1") = "8"
    & skf18("4","5","2","9","1","6","1") = "8"
    & skf18("4","5","2","9","1","7","1") = "8"
    & skf18("4","5","2","9","1","8","1") = "8"
    & skf18("4","5","2","9","1","9","1") = "8"
    & skf18("4","5","2","9","1","10","1") = "9"
    & skf18("4","5","2","9","2","1","1") = "8"
    & skf18("4","5","2","9","2","2","1") = "8"
    & skf18("4","5","2","9","2","3","1") = "8"
    & skf18("4","5","2","9","2","4","1") = "8"
    & skf18("4","5","2","9","2","5","1") = "8"
    & skf18("4","5","2","9","2","6","1") = "8"
    & skf18("4","5","2","9","2","7","1") = "8"
    & skf18("4","5","2","9","2","8","1") = "8"
    & skf18("4","5","2","9","2","9","1") = "8"
    & skf18("4","5","2","9","2","10","1") = "9"
    & skf18("4","5","2","9","3","1","1") = "8"
    & skf18("4","5","2","9","3","2","1") = "8"
    & skf18("4","5","2","9","3","3","1") = "8"
    & skf18("4","5","2","9","3","4","1") = "8"
    & skf18("4","5","2","9","3","5","1") = "8"
    & skf18("4","5","2","9","3","6","1") = "8"
    & skf18("4","5","2","9","3","7","1") = "8"
    & skf18("4","5","2","9","3","8","1") = "8"
    & skf18("4","5","2","9","3","9","1") = "8"
    & skf18("4","5","2","9","3","10","1") = "9"
    & skf18("4","5","2","9","4","1","1") = "8"
    & skf18("4","5","2","9","4","2","1") = "8"
    & skf18("4","5","2","9","4","3","1") = "8"
    & skf18("4","5","2","9","4","4","1") = "8"
    & skf18("4","5","2","9","4","5","1") = "8"
    & skf18("4","5","2","9","4","6","1") = "8"
    & skf18("4","5","2","9","4","7","1") = "8"
    & skf18("4","5","2","9","4","8","1") = "8"
    & skf18("4","5","2","9","4","9","1") = "8"
    & skf18("4","5","2","9","4","10","1") = "9"
    & skf18("4","5","2","9","5","1","1") = "8"
    & skf18("4","5","2","9","5","2","1") = "8"
    & skf18("4","5","2","9","5","3","1") = "8"
    & skf18("4","5","2","9","5","4","1") = "8"
    & skf18("4","5","2","9","5","5","1") = "8"
    & skf18("4","5","2","9","5","6","1") = "8"
    & skf18("4","5","2","9","5","7","1") = "8"
    & skf18("4","5","2","9","5","8","1") = "8"
    & skf18("4","5","2","9","5","9","1") = "8"
    & skf18("4","5","2","9","5","10","1") = "9"
    & skf18("4","5","2","9","6","1","1") = "8"
    & skf18("4","5","2","9","6","2","1") = "8"
    & skf18("4","5","2","9","6","3","1") = "8"
    & skf18("4","5","2","9","6","4","1") = "8"
    & skf18("4","5","2","9","6","5","1") = "8"
    & skf18("4","5","2","9","6","6","1") = "8"
    & skf18("4","5","2","9","6","7","1") = "8"
    & skf18("4","5","2","9","6","8","1") = "8"
    & skf18("4","5","2","9","6","9","1") = "8"
    & skf18("4","5","2","9","6","10","1") = "9"
    & skf18("4","5","2","9","7","1","1") = "8"
    & skf18("4","5","2","9","7","2","1") = "8"
    & skf18("4","5","2","9","7","3","1") = "8"
    & skf18("4","5","2","9","7","4","1") = "8"
    & skf18("4","5","2","9","7","5","1") = "8"
    & skf18("4","5","2","9","7","6","1") = "8"
    & skf18("4","5","2","9","7","7","1") = "8"
    & skf18("4","5","2","9","7","8","1") = "8"
    & skf18("4","5","2","9","7","9","1") = "8"
    & skf18("4","5","2","9","7","10","1") = "9"
    & skf18("4","5","2","9","8","1","1") = "8"
    & skf18("4","5","2","9","8","2","1") = "8"
    & skf18("4","5","2","9","8","3","1") = "8"
    & skf18("4","5","2","9","8","4","1") = "8"
    & skf18("4","5","2","9","8","5","1") = "8"
    & skf18("4","5","2","9","8","6","1") = "8"
    & skf18("4","5","2","9","8","7","1") = "8"
    & skf18("4","5","2","9","8","8","1") = "8"
    & skf18("4","5","2","9","8","9","1") = "8"
    & skf18("4","5","2","9","8","10","1") = "9"
    & skf18("4","5","2","9","9","1","1") = "8"
    & skf18("4","5","2","9","9","2","1") = "8"
    & skf18("4","5","2","9","9","3","1") = "8"
    & skf18("4","5","2","9","9","4","1") = "8"
    & skf18("4","5","2","9","9","5","1") = "8"
    & skf18("4","5","2","9","9","6","1") = "8"
    & skf18("4","5","2","9","9","7","1") = "8"
    & skf18("4","5","2","9","9","8","1") = "8"
    & skf18("4","5","2","9","9","9","1") = "8"
    & skf18("4","5","2","9","9","10","1") = "9"
    & skf18("4","5","2","9","10","1","1") = "9"
    & skf18("4","5","2","9","10","2","1") = "9"
    & skf18("4","5","2","9","10","3","1") = "9"
    & skf18("4","5","2","9","10","4","1") = "9"
    & skf18("4","5","2","9","10","5","1") = "9"
    & skf18("4","5","2","9","10","6","1") = "9"
    & skf18("4","5","2","9","10","7","1") = "9"
    & skf18("4","5","2","9","10","8","1") = "9"
    & skf18("4","5","2","9","10","9","1") = "9"
    & skf18("4","5","2","9","10","10","1") = "9"
    & skf18("4","5","2","10","1","1","1") = "9"
    & skf18("4","5","2","10","1","2","1") = "9"
    & skf18("4","5","2","10","1","3","1") = "9"
    & skf18("4","5","2","10","1","4","1") = "9"
    & skf18("4","5","2","10","1","5","1") = "9"
    & skf18("4","5","2","10","1","6","1") = "9"
    & skf18("4","5","2","10","1","7","1") = "9"
    & skf18("4","5","2","10","1","8","1") = "9"
    & skf18("4","5","2","10","1","9","1") = "9"
    & skf18("4","5","2","10","1","10","1") = "9"
    & skf18("4","5","2","10","2","1","1") = "9"
    & skf18("4","5","2","10","2","2","1") = "9"
    & skf18("4","5","2","10","2","3","1") = "9"
    & skf18("4","5","2","10","2","4","1") = "9"
    & skf18("4","5","2","10","2","5","1") = "9"
    & skf18("4","5","2","10","2","6","1") = "9"
    & skf18("4","5","2","10","2","7","1") = "9"
    & skf18("4","5","2","10","2","8","1") = "9"
    & skf18("4","5","2","10","2","9","1") = "9"
    & skf18("4","5","2","10","2","10","1") = "9"
    & skf18("4","5","2","10","3","1","1") = "9"
    & skf18("4","5","2","10","3","2","1") = "9"
    & skf18("4","5","2","10","3","3","1") = "9"
    & skf18("4","5","2","10","3","4","1") = "9"
    & skf18("4","5","2","10","3","5","1") = "9"
    & skf18("4","5","2","10","3","6","1") = "9"
    & skf18("4","5","2","10","3","7","1") = "9"
    & skf18("4","5","2","10","3","8","1") = "9"
    & skf18("4","5","2","10","3","9","1") = "9"
    & skf18("4","5","2","10","3","10","1") = "9"
    & skf18("4","5","2","10","4","1","1") = "9"
    & skf18("4","5","2","10","4","2","1") = "9"
    & skf18("4","5","2","10","4","3","1") = "9"
    & skf18("4","5","2","10","4","4","1") = "9"
    & skf18("4","5","2","10","4","5","1") = "9"
    & skf18("4","5","2","10","4","6","1") = "9"
    & skf18("4","5","2","10","4","7","1") = "9"
    & skf18("4","5","2","10","4","8","1") = "9"
    & skf18("4","5","2","10","4","9","1") = "9"
    & skf18("4","5","2","10","4","10","1") = "9"
    & skf18("4","5","2","10","5","1","1") = "9"
    & skf18("4","5","2","10","5","2","1") = "9"
    & skf18("4","5","2","10","5","3","1") = "9"
    & skf18("4","5","2","10","5","4","1") = "9"
    & skf18("4","5","2","10","5","5","1") = "9"
    & skf18("4","5","2","10","5","6","1") = "9"
    & skf18("4","5","2","10","5","7","1") = "9"
    & skf18("4","5","2","10","5","8","1") = "9"
    & skf18("4","5","2","10","5","9","1") = "9"
    & skf18("4","5","2","10","5","10","1") = "9"
    & skf18("4","5","2","10","6","1","1") = "9"
    & skf18("4","5","2","10","6","2","1") = "9"
    & skf18("4","5","2","10","6","3","1") = "9"
    & skf18("4","5","2","10","6","4","1") = "9"
    & skf18("4","5","2","10","6","5","1") = "9"
    & skf18("4","5","2","10","6","6","1") = "9"
    & skf18("4","5","2","10","6","7","1") = "9"
    & skf18("4","5","2","10","6","8","1") = "9"
    & skf18("4","5","2","10","6","9","1") = "9"
    & skf18("4","5","2","10","6","10","1") = "9"
    & skf18("4","5","2","10","7","1","1") = "9"
    & skf18("4","5","2","10","7","2","1") = "9"
    & skf18("4","5","2","10","7","3","1") = "9"
    & skf18("4","5","2","10","7","4","1") = "9"
    & skf18("4","5","2","10","7","5","1") = "9"
    & skf18("4","5","2","10","7","6","1") = "9"
    & skf18("4","5","2","10","7","7","1") = "9"
    & skf18("4","5","2","10","7","8","1") = "9"
    & skf18("4","5","2","10","7","9","1") = "9"
    & skf18("4","5","2","10","7","10","1") = "9"
    & skf18("4","5","2","10","8","1","1") = "9"
    & skf18("4","5","2","10","8","2","1") = "9"
    & skf18("4","5","2","10","8","3","1") = "9"
    & skf18("4","5","2","10","8","4","1") = "9"
    & skf18("4","5","2","10","8","5","1") = "9"
    & skf18("4","5","2","10","8","6","1") = "9"
    & skf18("4","5","2","10","8","7","1") = "9"
    & skf18("4","5","2","10","8","8","1") = "9"
    & skf18("4","5","2","10","8","9","1") = "9"
    & skf18("4","5","2","10","8","10","1") = "9"
    & skf18("4","5","2","10","9","1","1") = "9"
    & skf18("4","5","2","10","9","2","1") = "9"
    & skf18("4","5","2","10","9","3","1") = "9"
    & skf18("4","5","2","10","9","4","1") = "9"
    & skf18("4","5","2","10","9","5","1") = "9"
    & skf18("4","5","2","10","9","6","1") = "9"
    & skf18("4","5","2","10","9","7","1") = "9"
    & skf18("4","5","2","10","9","8","1") = "9"
    & skf18("4","5","2","10","9","9","1") = "9"
    & skf18("4","5","2","10","9","10","1") = "9"
    & skf18("4","5","2","10","10","1","1") = "9"
    & skf18("4","5","2","10","10","2","1") = "9"
    & skf18("4","5","2","10","10","3","1") = "9"
    & skf18("4","5","2","10","10","4","1") = "9"
    & skf18("4","5","2","10","10","5","1") = "9"
    & skf18("4","5","2","10","10","6","1") = "9"
    & skf18("4","5","2","10","10","7","1") = "9"
    & skf18("4","5","2","10","10","8","1") = "9"
    & skf18("4","5","2","10","10","9","1") = "9"
    & skf18("4","5","2","10","10","10","1") = "9"
    & skf18("4","5","3","1","1","1","1") = "4"
    & skf18("4","5","3","1","1","2","1") = "4"
    & skf18("4","5","3","1","1","3","1") = "4"
    & skf18("4","5","3","1","1","4","1") = "4"
    & skf18("4","5","3","1","1","5","1") = "4"
    & skf18("4","5","3","1","1","6","1") = "5"
    & skf18("4","5","3","1","1","7","1") = "6"
    & skf18("4","5","3","1","1","8","1") = "7"
    & skf18("4","5","3","1","1","9","1") = "8"
    & skf18("4","5","3","1","1","10","1") = "9"
    & skf18("4","5","3","1","2","1","1") = "4"
    & skf18("4","5","3","1","2","2","1") = "4"
    & skf18("4","5","3","1","2","3","1") = "4"
    & skf18("4","5","3","1","2","4","1") = "4"
    & skf18("4","5","3","1","2","5","1") = "4"
    & skf18("4","5","3","1","2","6","1") = "5"
    & skf18("4","5","3","1","2","7","1") = "6"
    & skf18("4","5","3","1","2","8","1") = "7"
    & skf18("4","5","3","1","2","9","1") = "8"
    & skf18("4","5","3","1","2","10","1") = "9"
    & skf18("4","5","3","1","3","1","1") = "4"
    & skf18("4","5","3","1","3","2","1") = "4"
    & skf18("4","5","3","1","3","3","1") = "4"
    & skf18("4","5","3","1","3","4","1") = "4"
    & skf18("4","5","3","1","3","5","1") = "4"
    & skf18("4","5","3","1","3","6","1") = "5"
    & skf18("4","5","3","1","3","7","1") = "6"
    & skf18("4","5","3","1","3","8","1") = "7"
    & skf18("4","5","3","1","3","9","1") = "8"
    & skf18("4","5","3","1","3","10","1") = "9"
    & skf18("4","5","3","1","4","1","1") = "4"
    & skf18("4","5","3","1","4","2","1") = "4"
    & skf18("4","5","3","1","4","3","1") = "4"
    & skf18("4","5","3","1","4","4","1") = "4"
    & skf18("4","5","3","1","4","5","1") = "4"
    & skf18("4","5","3","1","4","6","1") = "5"
    & skf18("4","5","3","1","4","7","1") = "6"
    & skf18("4","5","3","1","4","8","1") = "7"
    & skf18("4","5","3","1","4","9","1") = "8"
    & skf18("4","5","3","1","4","10","1") = "9"
    & skf18("4","5","3","1","5","1","1") = "4"
    & skf18("4","5","3","1","5","2","1") = "4"
    & skf18("4","5","3","1","5","3","1") = "4"
    & skf18("4","5","3","1","5","4","1") = "4"
    & skf18("4","5","3","1","5","5","1") = "4"
    & skf18("4","5","3","1","5","6","1") = "5"
    & skf18("4","5","3","1","5","7","1") = "6"
    & skf18("4","5","3","1","5","8","1") = "7"
    & skf18("4","5","3","1","5","9","1") = "8"
    & skf18("4","5","3","1","5","10","1") = "9"
    & skf18("4","5","3","1","6","1","1") = "5"
    & skf18("4","5","3","1","6","2","1") = "5"
    & skf18("4","5","3","1","6","3","1") = "5"
    & skf18("4","5","3","1","6","4","1") = "5"
    & skf18("4","5","3","1","6","5","1") = "5"
    & skf18("4","5","3","1","6","6","1") = "5"
    & skf18("4","5","3","1","6","7","1") = "6"
    & skf18("4","5","3","1","6","8","1") = "7"
    & skf18("4","5","3","1","6","9","1") = "8"
    & skf18("4","5","3","1","6","10","1") = "9"
    & skf18("4","5","3","1","7","1","1") = "6"
    & skf18("4","5","3","1","7","2","1") = "6"
    & skf18("4","5","3","1","7","3","1") = "6"
    & skf18("4","5","3","1","7","4","1") = "6"
    & skf18("4","5","3","1","7","5","1") = "6"
    & skf18("4","5","3","1","7","6","1") = "6"
    & skf18("4","5","3","1","7","7","1") = "6"
    & skf18("4","5","3","1","7","8","1") = "7"
    & skf18("4","5","3","1","7","9","1") = "8"
    & skf18("4","5","3","1","7","10","1") = "9"
    & skf18("4","5","3","1","8","1","1") = "7"
    & skf18("4","5","3","1","8","2","1") = "7"
    & skf18("4","5","3","1","8","3","1") = "7"
    & skf18("4","5","3","1","8","4","1") = "7"
    & skf18("4","5","3","1","8","5","1") = "7"
    & skf18("4","5","3","1","8","6","1") = "7"
    & skf18("4","5","3","1","8","7","1") = "7"
    & skf18("4","5","3","1","8","8","1") = "7"
    & skf18("4","5","3","1","8","9","1") = "8"
    & skf18("4","5","3","1","8","10","1") = "9"
    & skf18("4","5","3","1","9","1","1") = "8"
    & skf18("4","5","3","1","9","2","1") = "8"
    & skf18("4","5","3","1","9","3","1") = "8"
    & skf18("4","5","3","1","9","4","1") = "8"
    & skf18("4","5","3","1","9","5","1") = "8"
    & skf18("4","5","3","1","9","6","1") = "8"
    & skf18("4","5","3","1","9","7","1") = "8"
    & skf18("4","5","3","1","9","8","1") = "8"
    & skf18("4","5","3","1","9","9","1") = "8"
    & skf18("4","5","3","1","9","10","1") = "9"
    & skf18("4","5","3","1","10","1","1") = "9"
    & skf18("4","5","3","1","10","2","1") = "9"
    & skf18("4","5","3","1","10","3","1") = "9"
    & skf18("4","5","3","1","10","4","1") = "9"
    & skf18("4","5","3","1","10","5","1") = "9"
    & skf18("4","5","3","1","10","6","1") = "9"
    & skf18("4","5","3","1","10","7","1") = "9"
    & skf18("4","5","3","1","10","8","1") = "9"
    & skf18("4","5","3","1","10","9","1") = "9"
    & skf18("4","5","3","1","10","10","1") = "9"
    & skf18("4","5","3","2","1","1","1") = "4"
    & skf18("4","5","3","2","1","2","1") = "4"
    & skf18("4","5","3","2","1","3","1") = "4"
    & skf18("4","5","3","2","1","4","1") = "4"
    & skf18("4","5","3","2","1","5","1") = "4"
    & skf18("4","5","3","2","1","6","1") = "5"
    & skf18("4","5","3","2","1","7","1") = "6"
    & skf18("4","5","3","2","1","8","1") = "7"
    & skf18("4","5","3","2","1","9","1") = "8"
    & skf18("4","5","3","2","1","10","1") = "9"
    & skf18("4","5","3","2","2","1","1") = "4"
    & skf18("4","5","3","2","2","2","1") = "4"
    & skf18("4","5","3","2","2","3","1") = "4"
    & skf18("4","5","3","2","2","4","1") = "4"
    & skf18("4","5","3","2","2","5","1") = "4"
    & skf18("4","5","3","2","2","6","1") = "5"
    & skf18("4","5","3","2","2","7","1") = "6"
    & skf18("4","5","3","2","2","8","1") = "7"
    & skf18("4","5","3","2","2","9","1") = "8"
    & skf18("4","5","3","2","2","10","1") = "9"
    & skf18("4","5","3","2","3","1","1") = "4"
    & skf18("4","5","3","2","3","2","1") = "4"
    & skf18("4","5","3","2","3","3","1") = "4"
    & skf18("4","5","3","2","3","4","1") = "4"
    & skf18("4","5","3","2","3","5","1") = "4"
    & skf18("4","5","3","2","3","6","1") = "5"
    & skf18("4","5","3","2","3","7","1") = "6"
    & skf18("4","5","3","2","3","8","1") = "7"
    & skf18("4","5","3","2","3","9","1") = "8"
    & skf18("4","5","3","2","3","10","1") = "9"
    & skf18("4","5","3","2","4","1","1") = "4"
    & skf18("4","5","3","2","4","2","1") = "4"
    & skf18("4","5","3","2","4","3","1") = "4"
    & skf18("4","5","3","2","4","4","1") = "4"
    & skf18("4","5","3","2","4","5","1") = "4"
    & skf18("4","5","3","2","4","6","1") = "5"
    & skf18("4","5","3","2","4","7","1") = "6"
    & skf18("4","5","3","2","4","8","1") = "7"
    & skf18("4","5","3","2","4","9","1") = "8"
    & skf18("4","5","3","2","4","10","1") = "9"
    & skf18("4","5","3","2","5","1","1") = "4"
    & skf18("4","5","3","2","5","2","1") = "4"
    & skf18("4","5","3","2","5","3","1") = "4"
    & skf18("4","5","3","2","5","4","1") = "4"
    & skf18("4","5","3","2","5","5","1") = "4"
    & skf18("4","5","3","2","5","6","1") = "5"
    & skf18("4","5","3","2","5","7","1") = "6"
    & skf18("4","5","3","2","5","8","1") = "7"
    & skf18("4","5","3","2","5","9","1") = "8"
    & skf18("4","5","3","2","5","10","1") = "9"
    & skf18("4","5","3","2","6","1","1") = "5"
    & skf18("4","5","3","2","6","2","1") = "5"
    & skf18("4","5","3","2","6","3","1") = "5"
    & skf18("4","5","3","2","6","4","1") = "5"
    & skf18("4","5","3","2","6","5","1") = "5"
    & skf18("4","5","3","2","6","6","1") = "5"
    & skf18("4","5","3","2","6","7","1") = "6"
    & skf18("4","5","3","2","6","8","1") = "7"
    & skf18("4","5","3","2","6","9","1") = "8"
    & skf18("4","5","3","2","6","10","1") = "9"
    & skf18("4","5","3","2","7","1","1") = "6"
    & skf18("4","5","3","2","7","2","1") = "6"
    & skf18("4","5","3","2","7","3","1") = "6"
    & skf18("4","5","3","2","7","4","1") = "6"
    & skf18("4","5","3","2","7","5","1") = "6"
    & skf18("4","5","3","2","7","6","1") = "6"
    & skf18("4","5","3","2","7","7","1") = "6"
    & skf18("4","5","3","2","7","8","1") = "7"
    & skf18("4","5","3","2","7","9","1") = "8"
    & skf18("4","5","3","2","7","10","1") = "9"
    & skf18("4","5","3","2","8","1","1") = "7"
    & skf18("4","5","3","2","8","2","1") = "7"
    & skf18("4","5","3","2","8","3","1") = "7"
    & skf18("4","5","3","2","8","4","1") = "7"
    & skf18("4","5","3","2","8","5","1") = "7"
    & skf18("4","5","3","2","8","6","1") = "7"
    & skf18("4","5","3","2","8","7","1") = "7"
    & skf18("4","5","3","2","8","8","1") = "7"
    & skf18("4","5","3","2","8","9","1") = "8"
    & skf18("4","5","3","2","8","10","1") = "9"
    & skf18("4","5","3","2","9","1","1") = "8"
    & skf18("4","5","3","2","9","2","1") = "8"
    & skf18("4","5","3","2","9","3","1") = "8"
    & skf18("4","5","3","2","9","4","1") = "8"
    & skf18("4","5","3","2","9","5","1") = "8"
    & skf18("4","5","3","2","9","6","1") = "8"
    & skf18("4","5","3","2","9","7","1") = "8"
    & skf18("4","5","3","2","9","8","1") = "8"
    & skf18("4","5","3","2","9","9","1") = "8"
    & skf18("4","5","3","2","9","10","1") = "9"
    & skf18("4","5","3","2","10","1","1") = "9"
    & skf18("4","5","3","2","10","2","1") = "9"
    & skf18("4","5","3","2","10","3","1") = "9"
    & skf18("4","5","3","2","10","4","1") = "9"
    & skf18("4","5","3","2","10","5","1") = "9"
    & skf18("4","5","3","2","10","6","1") = "9"
    & skf18("4","5","3","2","10","7","1") = "9"
    & skf18("4","5","3","2","10","8","1") = "9"
    & skf18("4","5","3","2","10","9","1") = "9"
    & skf18("4","5","3","2","10","10","1") = "9"
    & skf18("4","5","3","3","1","1","1") = "4"
    & skf18("4","5","3","3","1","2","1") = "4"
    & skf18("4","5","3","3","1","3","1") = "4"
    & skf18("4","5","3","3","1","4","1") = "4"
    & skf18("4","5","3","3","1","5","1") = "4"
    & skf18("4","5","3","3","1","6","1") = "5"
    & skf18("4","5","3","3","1","7","1") = "6"
    & skf18("4","5","3","3","1","8","1") = "7"
    & skf18("4","5","3","3","1","9","1") = "8"
    & skf18("4","5","3","3","1","10","1") = "9"
    & skf18("4","5","3","3","2","1","1") = "4"
    & skf18("4","5","3","3","2","2","1") = "4"
    & skf18("4","5","3","3","2","3","1") = "4"
    & skf18("4","5","3","3","2","4","1") = "4"
    & skf18("4","5","3","3","2","5","1") = "4"
    & skf18("4","5","3","3","2","6","1") = "5"
    & skf18("4","5","3","3","2","7","1") = "6"
    & skf18("4","5","3","3","2","8","1") = "7"
    & skf18("4","5","3","3","2","9","1") = "8"
    & skf18("4","5","3","3","2","10","1") = "9"
    & skf18("4","5","3","3","3","1","1") = "4"
    & skf18("4","5","3","3","3","2","1") = "4"
    & skf18("4","5","3","3","3","3","1") = "4"
    & skf18("4","5","3","3","3","4","1") = "4"
    & skf18("4","5","3","3","3","5","1") = "4"
    & skf18("4","5","3","3","3","6","1") = "5"
    & skf18("4","5","3","3","3","7","1") = "6"
    & skf18("4","5","3","3","3","8","1") = "7"
    & skf18("4","5","3","3","3","9","1") = "8"
    & skf18("4","5","3","3","3","10","1") = "9"
    & skf18("4","5","3","3","4","1","1") = "4"
    & skf18("4","5","3","3","4","2","1") = "4"
    & skf18("4","5","3","3","4","3","1") = "4"
    & skf18("4","5","3","3","4","4","1") = "4"
    & skf18("4","5","3","3","4","5","1") = "4"
    & skf18("4","5","3","3","4","6","1") = "5"
    & skf18("4","5","3","3","4","7","1") = "6"
    & skf18("4","5","3","3","4","8","1") = "7"
    & skf18("4","5","3","3","4","9","1") = "8"
    & skf18("4","5","3","3","4","10","1") = "9"
    & skf18("4","5","3","3","5","1","1") = "4"
    & skf18("4","5","3","3","5","2","1") = "4"
    & skf18("4","5","3","3","5","3","1") = "4"
    & skf18("4","5","3","3","5","4","1") = "4"
    & skf18("4","5","3","3","5","5","1") = "4"
    & skf18("4","5","3","3","5","6","1") = "5"
    & skf18("4","5","3","3","5","7","1") = "6"
    & skf18("4","5","3","3","5","8","1") = "7"
    & skf18("4","5","3","3","5","9","1") = "8"
    & skf18("4","5","3","3","5","10","1") = "9"
    & skf18("4","5","3","3","6","1","1") = "5"
    & skf18("4","5","3","3","6","2","1") = "5"
    & skf18("4","5","3","3","6","3","1") = "5"
    & skf18("4","5","3","3","6","4","1") = "5"
    & skf18("4","5","3","3","6","5","1") = "5"
    & skf18("4","5","3","3","6","6","1") = "5"
    & skf18("4","5","3","3","6","7","1") = "6"
    & skf18("4","5","3","3","6","8","1") = "7"
    & skf18("4","5","3","3","6","9","1") = "8"
    & skf18("4","5","3","3","6","10","1") = "9"
    & skf18("4","5","3","3","7","1","1") = "6"
    & skf18("4","5","3","3","7","2","1") = "6"
    & skf18("4","5","3","3","7","3","1") = "6"
    & skf18("4","5","3","3","7","4","1") = "6"
    & skf18("4","5","3","3","7","5","1") = "6"
    & skf18("4","5","3","3","7","6","1") = "6"
    & skf18("4","5","3","3","7","7","1") = "6"
    & skf18("4","5","3","3","7","8","1") = "7"
    & skf18("4","5","3","3","7","9","1") = "8"
    & skf18("4","5","3","3","7","10","1") = "9"
    & skf18("4","5","3","3","8","1","1") = "7"
    & skf18("4","5","3","3","8","2","1") = "7"
    & skf18("4","5","3","3","8","3","1") = "7"
    & skf18("4","5","3","3","8","4","1") = "7"
    & skf18("4","5","3","3","8","5","1") = "7"
    & skf18("4","5","3","3","8","6","1") = "7"
    & skf18("4","5","3","3","8","7","1") = "7"
    & skf18("4","5","3","3","8","8","1") = "7"
    & skf18("4","5","3","3","8","9","1") = "8"
    & skf18("4","5","3","3","8","10","1") = "9"
    & skf18("4","5","3","3","9","1","1") = "8"
    & skf18("4","5","3","3","9","2","1") = "8"
    & skf18("4","5","3","3","9","3","1") = "8"
    & skf18("4","5","3","3","9","4","1") = "8"
    & skf18("4","5","3","3","9","5","1") = "8"
    & skf18("4","5","3","3","9","6","1") = "8"
    & skf18("4","5","3","3","9","7","1") = "8"
    & skf18("4","5","3","3","9","8","1") = "8"
    & skf18("4","5","3","3","9","9","1") = "8"
    & skf18("4","5","3","3","9","10","1") = "9"
    & skf18("4","5","3","3","10","1","1") = "9"
    & skf18("4","5","3","3","10","2","1") = "9"
    & skf18("4","5","3","3","10","3","1") = "9"
    & skf18("4","5","3","3","10","4","1") = "9"
    & skf18("4","5","3","3","10","5","1") = "9"
    & skf18("4","5","3","3","10","6","1") = "9"
    & skf18("4","5","3","3","10","7","1") = "9"
    & skf18("4","5","3","3","10","8","1") = "9"
    & skf18("4","5","3","3","10","9","1") = "9"
    & skf18("4","5","3","3","10","10","1") = "9"
    & skf18("4","5","3","4","1","1","1") = "4"
    & skf18("4","5","3","4","1","2","1") = "4"
    & skf18("4","5","3","4","1","3","1") = "4"
    & skf18("4","5","3","4","1","4","1") = "4"
    & skf18("4","5","3","4","1","5","1") = "4"
    & skf18("4","5","3","4","1","6","1") = "5"
    & skf18("4","5","3","4","1","7","1") = "6"
    & skf18("4","5","3","4","1","8","1") = "7"
    & skf18("4","5","3","4","1","9","1") = "8"
    & skf18("4","5","3","4","1","10","1") = "9"
    & skf18("4","5","3","4","2","1","1") = "4"
    & skf18("4","5","3","4","2","2","1") = "4"
    & skf18("4","5","3","4","2","3","1") = "4"
    & skf18("4","5","3","4","2","4","1") = "4"
    & skf18("4","5","3","4","2","5","1") = "4"
    & skf18("4","5","3","4","2","6","1") = "5"
    & skf18("4","5","3","4","2","7","1") = "6"
    & skf18("4","5","3","4","2","8","1") = "7"
    & skf18("4","5","3","4","2","9","1") = "8"
    & skf18("4","5","3","4","2","10","1") = "9"
    & skf18("4","5","3","4","3","1","1") = "4"
    & skf18("4","5","3","4","3","2","1") = "4"
    & skf18("4","5","3","4","3","3","1") = "4"
    & skf18("4","5","3","4","3","4","1") = "4"
    & skf18("4","5","3","4","3","5","1") = "4"
    & skf18("4","5","3","4","3","6","1") = "5"
    & skf18("4","5","3","4","3","7","1") = "6"
    & skf18("4","5","3","4","3","8","1") = "7"
    & skf18("4","5","3","4","3","9","1") = "8"
    & skf18("4","5","3","4","3","10","1") = "9"
    & skf18("4","5","3","4","4","1","1") = "4"
    & skf18("4","5","3","4","4","2","1") = "4"
    & skf18("4","5","3","4","4","3","1") = "4"
    & skf18("4","5","3","4","4","4","1") = "4"
    & skf18("4","5","3","4","4","5","1") = "4"
    & skf18("4","5","3","4","4","6","1") = "5"
    & skf18("4","5","3","4","4","7","1") = "6"
    & skf18("4","5","3","4","4","8","1") = "7"
    & skf18("4","5","3","4","4","9","1") = "8"
    & skf18("4","5","3","4","4","10","1") = "9"
    & skf18("4","5","3","4","5","1","1") = "4"
    & skf18("4","5","3","4","5","2","1") = "4"
    & skf18("4","5","3","4","5","3","1") = "4"
    & skf18("4","5","3","4","5","4","1") = "4"
    & skf18("4","5","3","4","5","5","1") = "4"
    & skf18("4","5","3","4","5","6","1") = "5"
    & skf18("4","5","3","4","5","7","1") = "6"
    & skf18("4","5","3","4","5","8","1") = "7"
    & skf18("4","5","3","4","5","9","1") = "8"
    & skf18("4","5","3","4","5","10","1") = "9"
    & skf18("4","5","3","4","6","1","1") = "5"
    & skf18("4","5","3","4","6","2","1") = "5"
    & skf18("4","5","3","4","6","3","1") = "5"
    & skf18("4","5","3","4","6","4","1") = "5"
    & skf18("4","5","3","4","6","5","1") = "5"
    & skf18("4","5","3","4","6","6","1") = "5"
    & skf18("4","5","3","4","6","7","1") = "6"
    & skf18("4","5","3","4","6","8","1") = "7"
    & skf18("4","5","3","4","6","9","1") = "8"
    & skf18("4","5","3","4","6","10","1") = "9"
    & skf18("4","5","3","4","7","1","1") = "6"
    & skf18("4","5","3","4","7","2","1") = "6"
    & skf18("4","5","3","4","7","3","1") = "6"
    & skf18("4","5","3","4","7","4","1") = "6"
    & skf18("4","5","3","4","7","5","1") = "6"
    & skf18("4","5","3","4","7","6","1") = "6"
    & skf18("4","5","3","4","7","7","1") = "6"
    & skf18("4","5","3","4","7","8","1") = "7"
    & skf18("4","5","3","4","7","9","1") = "8"
    & skf18("4","5","3","4","7","10","1") = "9"
    & skf18("4","5","3","4","8","1","1") = "7"
    & skf18("4","5","3","4","8","2","1") = "7"
    & skf18("4","5","3","4","8","3","1") = "7"
    & skf18("4","5","3","4","8","4","1") = "7"
    & skf18("4","5","3","4","8","5","1") = "7"
    & skf18("4","5","3","4","8","6","1") = "7"
    & skf18("4","5","3","4","8","7","1") = "7"
    & skf18("4","5","3","4","8","8","1") = "7"
    & skf18("4","5","3","4","8","9","1") = "8"
    & skf18("4","5","3","4","8","10","1") = "9"
    & skf18("4","5","3","4","9","1","1") = "8"
    & skf18("4","5","3","4","9","2","1") = "8"
    & skf18("4","5","3","4","9","3","1") = "8"
    & skf18("4","5","3","4","9","4","1") = "8"
    & skf18("4","5","3","4","9","5","1") = "8"
    & skf18("4","5","3","4","9","6","1") = "8"
    & skf18("4","5","3","4","9","7","1") = "8"
    & skf18("4","5","3","4","9","8","1") = "8"
    & skf18("4","5","3","4","9","9","1") = "8"
    & skf18("4","5","3","4","9","10","1") = "9"
    & skf18("4","5","3","4","10","1","1") = "9"
    & skf18("4","5","3","4","10","2","1") = "9"
    & skf18("4","5","3","4","10","3","1") = "9"
    & skf18("4","5","3","4","10","4","1") = "9"
    & skf18("4","5","3","4","10","5","1") = "9"
    & skf18("4","5","3","4","10","6","1") = "9"
    & skf18("4","5","3","4","10","7","1") = "9"
    & skf18("4","5","3","4","10","8","1") = "9"
    & skf18("4","5","3","4","10","9","1") = "9"
    & skf18("4","5","3","4","10","10","1") = "9"
    & skf18("4","5","3","5","1","1","1") = "4"
    & skf18("4","5","3","5","1","2","1") = "4"
    & skf18("4","5","3","5","1","3","1") = "4"
    & skf18("4","5","3","5","1","4","1") = "4"
    & skf18("4","5","3","5","1","5","1") = "4"
    & skf18("4","5","3","5","1","6","1") = "5"
    & skf18("4","5","3","5","1","7","1") = "6"
    & skf18("4","5","3","5","1","8","1") = "7"
    & skf18("4","5","3","5","1","9","1") = "8"
    & skf18("4","5","3","5","1","10","1") = "9"
    & skf18("4","5","3","5","2","1","1") = "4"
    & skf18("4","5","3","5","2","2","1") = "4"
    & skf18("4","5","3","5","2","3","1") = "4"
    & skf18("4","5","3","5","2","4","1") = "4"
    & skf18("4","5","3","5","2","5","1") = "4"
    & skf18("4","5","3","5","2","6","1") = "5"
    & skf18("4","5","3","5","2","7","1") = "6"
    & skf18("4","5","3","5","2","8","1") = "7"
    & skf18("4","5","3","5","2","9","1") = "8"
    & skf18("4","5","3","5","2","10","1") = "9"
    & skf18("4","5","3","5","3","1","1") = "4"
    & skf18("4","5","3","5","3","2","1") = "4"
    & skf18("4","5","3","5","3","3","1") = "4"
    & skf18("4","5","3","5","3","4","1") = "4"
    & skf18("4","5","3","5","3","5","1") = "4"
    & skf18("4","5","3","5","3","6","1") = "5"
    & skf18("4","5","3","5","3","7","1") = "6"
    & skf18("4","5","3","5","3","8","1") = "7"
    & skf18("4","5","3","5","3","9","1") = "8"
    & skf18("4","5","3","5","3","10","1") = "9"
    & skf18("4","5","3","5","4","1","1") = "4"
    & skf18("4","5","3","5","4","2","1") = "4"
    & skf18("4","5","3","5","4","3","1") = "4"
    & skf18("4","5","3","5","4","4","1") = "4"
    & skf18("4","5","3","5","4","5","1") = "4"
    & skf18("4","5","3","5","4","6","1") = "5"
    & skf18("4","5","3","5","4","7","1") = "6"
    & skf18("4","5","3","5","4","8","1") = "7"
    & skf18("4","5","3","5","4","9","1") = "8"
    & skf18("4","5","3","5","4","10","1") = "9"
    & skf18("4","5","3","5","5","1","1") = "4"
    & skf18("4","5","3","5","5","2","1") = "4"
    & skf18("4","5","3","5","5","3","1") = "4"
    & skf18("4","5","3","5","5","4","1") = "4"
    & skf18("4","5","3","5","5","5","1") = "4"
    & skf18("4","5","3","5","5","6","1") = "5"
    & skf18("4","5","3","5","5","7","1") = "6"
    & skf18("4","5","3","5","5","8","1") = "7"
    & skf18("4","5","3","5","5","9","1") = "8"
    & skf18("4","5","3","5","5","10","1") = "9"
    & skf18("4","5","3","5","6","1","1") = "5"
    & skf18("4","5","3","5","6","2","1") = "5"
    & skf18("4","5","3","5","6","3","1") = "5"
    & skf18("4","5","3","5","6","4","1") = "5"
    & skf18("4","5","3","5","6","5","1") = "5"
    & skf18("4","5","3","5","6","6","1") = "5"
    & skf18("4","5","3","5","6","7","1") = "6"
    & skf18("4","5","3","5","6","8","1") = "7"
    & skf18("4","5","3","5","6","9","1") = "8"
    & skf18("4","5","3","5","6","10","1") = "9"
    & skf18("4","5","3","5","7","1","1") = "6"
    & skf18("4","5","3","5","7","2","1") = "6"
    & skf18("4","5","3","5","7","3","1") = "6"
    & skf18("4","5","3","5","7","4","1") = "6"
    & skf18("4","5","3","5","7","5","1") = "6"
    & skf18("4","5","3","5","7","6","1") = "6"
    & skf18("4","5","3","5","7","7","1") = "6"
    & skf18("4","5","3","5","7","8","1") = "7"
    & skf18("4","5","3","5","7","9","1") = "8"
    & skf18("4","5","3","5","7","10","1") = "9"
    & skf18("4","5","3","5","8","1","1") = "7"
    & skf18("4","5","3","5","8","2","1") = "7"
    & skf18("4","5","3","5","8","3","1") = "7"
    & skf18("4","5","3","5","8","4","1") = "7"
    & skf18("4","5","3","5","8","5","1") = "7"
    & skf18("4","5","3","5","8","6","1") = "7"
    & skf18("4","5","3","5","8","7","1") = "7"
    & skf18("4","5","3","5","8","8","1") = "7"
    & skf18("4","5","3","5","8","9","1") = "8"
    & skf18("4","5","3","5","8","10","1") = "9"
    & skf18("4","5","3","5","9","1","1") = "8"
    & skf18("4","5","3","5","9","2","1") = "8"
    & skf18("4","5","3","5","9","3","1") = "8"
    & skf18("4","5","3","5","9","4","1") = "8"
    & skf18("4","5","3","5","9","5","1") = "8"
    & skf18("4","5","3","5","9","6","1") = "8"
    & skf18("4","5","3","5","9","7","1") = "8"
    & skf18("4","5","3","5","9","8","1") = "8"
    & skf18("4","5","3","5","9","9","1") = "8"
    & skf18("4","5","3","5","9","10","1") = "9"
    & skf18("4","5","3","5","10","1","1") = "9"
    & skf18("4","5","3","5","10","2","1") = "9"
    & skf18("4","5","3","5","10","3","1") = "9"
    & skf18("4","5","3","5","10","4","1") = "9"
    & skf18("4","5","3","5","10","5","1") = "9"
    & skf18("4","5","3","5","10","6","1") = "9"
    & skf18("4","5","3","5","10","7","1") = "9"
    & skf18("4","5","3","5","10","8","1") = "9"
    & skf18("4","5","3","5","10","9","1") = "9"
    & skf18("4","5","3","5","10","10","1") = "9"
    & skf18("4","5","3","6","1","1","1") = "5"
    & skf18("4","5","3","6","1","2","1") = "5"
    & skf18("4","5","3","6","1","3","1") = "5"
    & skf18("4","5","3","6","1","4","1") = "5"
    & skf18("4","5","3","6","1","5","1") = "5"
    & skf18("4","5","3","6","1","6","1") = "5"
    & skf18("4","5","3","6","1","7","1") = "6"
    & skf18("4","5","3","6","1","8","1") = "7"
    & skf18("4","5","3","6","1","9","1") = "8"
    & skf18("4","5","3","6","1","10","1") = "9"
    & skf18("4","5","3","6","2","1","1") = "5"
    & skf18("4","5","3","6","2","2","1") = "5"
    & skf18("4","5","3","6","2","3","1") = "5"
    & skf18("4","5","3","6","2","4","1") = "5"
    & skf18("4","5","3","6","2","5","1") = "5"
    & skf18("4","5","3","6","2","6","1") = "5"
    & skf18("4","5","3","6","2","7","1") = "6"
    & skf18("4","5","3","6","2","8","1") = "7"
    & skf18("4","5","3","6","2","9","1") = "8"
    & skf18("4","5","3","6","2","10","1") = "9"
    & skf18("4","5","3","6","3","1","1") = "5"
    & skf18("4","5","3","6","3","2","1") = "5"
    & skf18("4","5","3","6","3","3","1") = "5"
    & skf18("4","5","3","6","3","4","1") = "5"
    & skf18("4","5","3","6","3","5","1") = "5"
    & skf18("4","5","3","6","3","6","1") = "5"
    & skf18("4","5","3","6","3","7","1") = "6"
    & skf18("4","5","3","6","3","8","1") = "7"
    & skf18("4","5","3","6","3","9","1") = "8"
    & skf18("4","5","3","6","3","10","1") = "9"
    & skf18("4","5","3","6","4","1","1") = "5"
    & skf18("4","5","3","6","4","2","1") = "5"
    & skf18("4","5","3","6","4","3","1") = "5"
    & skf18("4","5","3","6","4","4","1") = "5"
    & skf18("4","5","3","6","4","5","1") = "5"
    & skf18("4","5","3","6","4","6","1") = "5"
    & skf18("4","5","3","6","4","7","1") = "6"
    & skf18("4","5","3","6","4","8","1") = "7"
    & skf18("4","5","3","6","4","9","1") = "8"
    & skf18("4","5","3","6","4","10","1") = "9"
    & skf18("4","5","3","6","5","1","1") = "5"
    & skf18("4","5","3","6","5","2","1") = "5"
    & skf18("4","5","3","6","5","3","1") = "5"
    & skf18("4","5","3","6","5","4","1") = "5"
    & skf18("4","5","3","6","5","5","1") = "5"
    & skf18("4","5","3","6","5","6","1") = "5"
    & skf18("4","5","3","6","5","7","1") = "6"
    & skf18("4","5","3","6","5","8","1") = "7"
    & skf18("4","5","3","6","5","9","1") = "8"
    & skf18("4","5","3","6","5","10","1") = "9"
    & skf18("4","5","3","6","6","1","1") = "5"
    & skf18("4","5","3","6","6","2","1") = "5"
    & skf18("4","5","3","6","6","3","1") = "5"
    & skf18("4","5","3","6","6","4","1") = "5"
    & skf18("4","5","3","6","6","5","1") = "5"
    & skf18("4","5","3","6","6","6","1") = "5"
    & skf18("4","5","3","6","6","7","1") = "6"
    & skf18("4","5","3","6","6","8","1") = "7"
    & skf18("4","5","3","6","6","9","1") = "8"
    & skf18("4","5","3","6","6","10","1") = "9"
    & skf18("4","5","3","6","7","1","1") = "6"
    & skf18("4","5","3","6","7","2","1") = "6"
    & skf18("4","5","3","6","7","3","1") = "6"
    & skf18("4","5","3","6","7","4","1") = "6"
    & skf18("4","5","3","6","7","5","1") = "6"
    & skf18("4","5","3","6","7","6","1") = "6"
    & skf18("4","5","3","6","7","7","1") = "6"
    & skf18("4","5","3","6","7","8","1") = "7"
    & skf18("4","5","3","6","7","9","1") = "8"
    & skf18("4","5","3","6","7","10","1") = "9"
    & skf18("4","5","3","6","8","1","1") = "7"
    & skf18("4","5","3","6","8","2","1") = "7"
    & skf18("4","5","3","6","8","3","1") = "7"
    & skf18("4","5","3","6","8","4","1") = "7"
    & skf18("4","5","3","6","8","5","1") = "7"
    & skf18("4","5","3","6","8","6","1") = "7"
    & skf18("4","5","3","6","8","7","1") = "7"
    & skf18("4","5","3","6","8","8","1") = "7"
    & skf18("4","5","3","6","8","9","1") = "8"
    & skf18("4","5","3","6","8","10","1") = "9"
    & skf18("4","5","3","6","9","1","1") = "8"
    & skf18("4","5","3","6","9","2","1") = "8"
    & skf18("4","5","3","6","9","3","1") = "8"
    & skf18("4","5","3","6","9","4","1") = "8"
    & skf18("4","5","3","6","9","5","1") = "8"
    & skf18("4","5","3","6","9","6","1") = "8"
    & skf18("4","5","3","6","9","7","1") = "8"
    & skf18("4","5","3","6","9","8","1") = "8"
    & skf18("4","5","3","6","9","9","1") = "8"
    & skf18("4","5","3","6","9","10","1") = "9"
    & skf18("4","5","3","6","10","1","1") = "9"
    & skf18("4","5","3","6","10","2","1") = "9"
    & skf18("4","5","3","6","10","3","1") = "9"
    & skf18("4","5","3","6","10","4","1") = "9"
    & skf18("4","5","3","6","10","5","1") = "9"
    & skf18("4","5","3","6","10","6","1") = "9"
    & skf18("4","5","3","6","10","7","1") = "9"
    & skf18("4","5","3","6","10","8","1") = "9"
    & skf18("4","5","3","6","10","9","1") = "9"
    & skf18("4","5","3","6","10","10","1") = "9"
    & skf18("4","5","3","7","1","1","1") = "6"
    & skf18("4","5","3","7","1","2","1") = "6"
    & skf18("4","5","3","7","1","3","1") = "6"
    & skf18("4","5","3","7","1","4","1") = "6"
    & skf18("4","5","3","7","1","5","1") = "6"
    & skf18("4","5","3","7","1","6","1") = "6"
    & skf18("4","5","3","7","1","7","1") = "6"
    & skf18("4","5","3","7","1","8","1") = "7"
    & skf18("4","5","3","7","1","9","1") = "8"
    & skf18("4","5","3","7","1","10","1") = "9"
    & skf18("4","5","3","7","2","1","1") = "6"
    & skf18("4","5","3","7","2","2","1") = "6"
    & skf18("4","5","3","7","2","3","1") = "6"
    & skf18("4","5","3","7","2","4","1") = "6"
    & skf18("4","5","3","7","2","5","1") = "6"
    & skf18("4","5","3","7","2","6","1") = "6"
    & skf18("4","5","3","7","2","7","1") = "6"
    & skf18("4","5","3","7","2","8","1") = "7"
    & skf18("4","5","3","7","2","9","1") = "8"
    & skf18("4","5","3","7","2","10","1") = "9"
    & skf18("4","5","3","7","3","1","1") = "6"
    & skf18("4","5","3","7","3","2","1") = "6"
    & skf18("4","5","3","7","3","3","1") = "6"
    & skf18("4","5","3","7","3","4","1") = "6"
    & skf18("4","5","3","7","3","5","1") = "6"
    & skf18("4","5","3","7","3","6","1") = "6"
    & skf18("4","5","3","7","3","7","1") = "6"
    & skf18("4","5","3","7","3","8","1") = "7"
    & skf18("4","5","3","7","3","9","1") = "8"
    & skf18("4","5","3","7","3","10","1") = "9"
    & skf18("4","5","3","7","4","1","1") = "6"
    & skf18("4","5","3","7","4","2","1") = "6"
    & skf18("4","5","3","7","4","3","1") = "6"
    & skf18("4","5","3","7","4","4","1") = "6"
    & skf18("4","5","3","7","4","5","1") = "6"
    & skf18("4","5","3","7","4","6","1") = "6"
    & skf18("4","5","3","7","4","7","1") = "6"
    & skf18("4","5","3","7","4","8","1") = "7"
    & skf18("4","5","3","7","4","9","1") = "8"
    & skf18("4","5","3","7","4","10","1") = "9"
    & skf18("4","5","3","7","5","1","1") = "6"
    & skf18("4","5","3","7","5","2","1") = "6"
    & skf18("4","5","3","7","5","3","1") = "6"
    & skf18("4","5","3","7","5","4","1") = "6"
    & skf18("4","5","3","7","5","5","1") = "6"
    & skf18("4","5","3","7","5","6","1") = "6"
    & skf18("4","5","3","7","5","7","1") = "6"
    & skf18("4","5","3","7","5","8","1") = "7"
    & skf18("4","5","3","7","5","9","1") = "8"
    & skf18("4","5","3","7","5","10","1") = "9"
    & skf18("4","5","3","7","6","1","1") = "6"
    & skf18("4","5","3","7","6","2","1") = "6"
    & skf18("4","5","3","7","6","3","1") = "6"
    & skf18("4","5","3","7","6","4","1") = "6"
    & skf18("4","5","3","7","6","5","1") = "6"
    & skf18("4","5","3","7","6","6","1") = "6"
    & skf18("4","5","3","7","6","7","1") = "6"
    & skf18("4","5","3","7","6","8","1") = "7"
    & skf18("4","5","3","7","6","9","1") = "8"
    & skf18("4","5","3","7","6","10","1") = "9"
    & skf18("4","5","3","7","7","1","1") = "6"
    & skf18("4","5","3","7","7","2","1") = "6"
    & skf18("4","5","3","7","7","3","1") = "6"
    & skf18("4","5","3","7","7","4","1") = "6"
    & skf18("4","5","3","7","7","5","1") = "6"
    & skf18("4","5","3","7","7","6","1") = "6"
    & skf18("4","5","3","7","7","7","1") = "6"
    & skf18("4","5","3","7","7","8","1") = "7"
    & skf18("4","5","3","7","7","9","1") = "8"
    & skf18("4","5","3","7","7","10","1") = "9"
    & skf18("4","5","3","7","8","1","1") = "7"
    & skf18("4","5","3","7","8","2","1") = "7"
    & skf18("4","5","3","7","8","3","1") = "7"
    & skf18("4","5","3","7","8","4","1") = "7"
    & skf18("4","5","3","7","8","5","1") = "7"
    & skf18("4","5","3","7","8","6","1") = "7"
    & skf18("4","5","3","7","8","7","1") = "7"
    & skf18("4","5","3","7","8","8","1") = "7"
    & skf18("4","5","3","7","8","9","1") = "8"
    & skf18("4","5","3","7","8","10","1") = "9"
    & skf18("4","5","3","7","9","1","1") = "8"
    & skf18("4","5","3","7","9","2","1") = "8"
    & skf18("4","5","3","7","9","3","1") = "8"
    & skf18("4","5","3","7","9","4","1") = "8"
    & skf18("4","5","3","7","9","5","1") = "8"
    & skf18("4","5","3","7","9","6","1") = "8"
    & skf18("4","5","3","7","9","7","1") = "8"
    & skf18("4","5","3","7","9","8","1") = "8"
    & skf18("4","5","3","7","9","9","1") = "8"
    & skf18("4","5","3","7","9","10","1") = "9"
    & skf18("4","5","3","7","10","1","1") = "9"
    & skf18("4","5","3","7","10","2","1") = "9"
    & skf18("4","5","3","7","10","3","1") = "9"
    & skf18("4","5","3","7","10","4","1") = "9"
    & skf18("4","5","3","7","10","5","1") = "9"
    & skf18("4","5","3","7","10","6","1") = "9"
    & skf18("4","5","3","7","10","7","1") = "9"
    & skf18("4","5","3","7","10","8","1") = "9"
    & skf18("4","5","3","7","10","9","1") = "9"
    & skf18("4","5","3","7","10","10","1") = "9"
    & skf18("4","5","3","8","1","1","1") = "7"
    & skf18("4","5","3","8","1","2","1") = "7"
    & skf18("4","5","3","8","1","3","1") = "7"
    & skf18("4","5","3","8","1","4","1") = "7"
    & skf18("4","5","3","8","1","5","1") = "7"
    & skf18("4","5","3","8","1","6","1") = "7"
    & skf18("4","5","3","8","1","7","1") = "7"
    & skf18("4","5","3","8","1","8","1") = "7"
    & skf18("4","5","3","8","1","9","1") = "8"
    & skf18("4","5","3","8","1","10","1") = "9"
    & skf18("4","5","3","8","2","1","1") = "7"
    & skf18("4","5","3","8","2","2","1") = "7"
    & skf18("4","5","3","8","2","3","1") = "7"
    & skf18("4","5","3","8","2","4","1") = "7"
    & skf18("4","5","3","8","2","5","1") = "7"
    & skf18("4","5","3","8","2","6","1") = "7"
    & skf18("4","5","3","8","2","7","1") = "7"
    & skf18("4","5","3","8","2","8","1") = "7"
    & skf18("4","5","3","8","2","9","1") = "8"
    & skf18("4","5","3","8","2","10","1") = "9"
    & skf18("4","5","3","8","3","1","1") = "7"
    & skf18("4","5","3","8","3","2","1") = "7"
    & skf18("4","5","3","8","3","3","1") = "7"
    & skf18("4","5","3","8","3","4","1") = "7"
    & skf18("4","5","3","8","3","5","1") = "7"
    & skf18("4","5","3","8","3","6","1") = "7"
    & skf18("4","5","3","8","3","7","1") = "7"
    & skf18("4","5","3","8","3","8","1") = "7"
    & skf18("4","5","3","8","3","9","1") = "8"
    & skf18("4","5","3","8","3","10","1") = "9"
    & skf18("4","5","3","8","4","1","1") = "7"
    & skf18("4","5","3","8","4","2","1") = "7"
    & skf18("4","5","3","8","4","3","1") = "7"
    & skf18("4","5","3","8","4","4","1") = "7"
    & skf18("4","5","3","8","4","5","1") = "7"
    & skf18("4","5","3","8","4","6","1") = "7"
    & skf18("4","5","3","8","4","7","1") = "7"
    & skf18("4","5","3","8","4","8","1") = "7"
    & skf18("4","5","3","8","4","9","1") = "8"
    & skf18("4","5","3","8","4","10","1") = "9"
    & skf18("4","5","3","8","5","1","1") = "7"
    & skf18("4","5","3","8","5","2","1") = "7"
    & skf18("4","5","3","8","5","3","1") = "7"
    & skf18("4","5","3","8","5","4","1") = "7"
    & skf18("4","5","3","8","5","5","1") = "7"
    & skf18("4","5","3","8","5","6","1") = "7"
    & skf18("4","5","3","8","5","7","1") = "7"
    & skf18("4","5","3","8","5","8","1") = "7"
    & skf18("4","5","3","8","5","9","1") = "8"
    & skf18("4","5","3","8","5","10","1") = "9"
    & skf18("4","5","3","8","6","1","1") = "7"
    & skf18("4","5","3","8","6","2","1") = "7"
    & skf18("4","5","3","8","6","3","1") = "7"
    & skf18("4","5","3","8","6","4","1") = "7"
    & skf18("4","5","3","8","6","5","1") = "7"
    & skf18("4","5","3","8","6","6","1") = "7"
    & skf18("4","5","3","8","6","7","1") = "7"
    & skf18("4","5","3","8","6","8","1") = "7"
    & skf18("4","5","3","8","6","9","1") = "8"
    & skf18("4","5","3","8","6","10","1") = "9"
    & skf18("4","5","3","8","7","1","1") = "7"
    & skf18("4","5","3","8","7","2","1") = "7"
    & skf18("4","5","3","8","7","3","1") = "7"
    & skf18("4","5","3","8","7","4","1") = "7"
    & skf18("4","5","3","8","7","5","1") = "7"
    & skf18("4","5","3","8","7","6","1") = "7"
    & skf18("4","5","3","8","7","7","1") = "7"
    & skf18("4","5","3","8","7","8","1") = "7"
    & skf18("4","5","3","8","7","9","1") = "8"
    & skf18("4","5","3","8","7","10","1") = "9"
    & skf18("4","5","3","8","8","1","1") = "7"
    & skf18("4","5","3","8","8","2","1") = "7"
    & skf18("4","5","3","8","8","3","1") = "7"
    & skf18("4","5","3","8","8","4","1") = "7"
    & skf18("4","5","3","8","8","5","1") = "7"
    & skf18("4","5","3","8","8","6","1") = "7"
    & skf18("4","5","3","8","8","7","1") = "7"
    & skf18("4","5","3","8","8","8","1") = "7"
    & skf18("4","5","3","8","8","9","1") = "8"
    & skf18("4","5","3","8","8","10","1") = "9"
    & skf18("4","5","3","8","9","1","1") = "8"
    & skf18("4","5","3","8","9","2","1") = "8"
    & skf18("4","5","3","8","9","3","1") = "8"
    & skf18("4","5","3","8","9","4","1") = "8"
    & skf18("4","5","3","8","9","5","1") = "8"
    & skf18("4","5","3","8","9","6","1") = "8"
    & skf18("4","5","3","8","9","7","1") = "8"
    & skf18("4","5","3","8","9","8","1") = "8"
    & skf18("4","5","3","8","9","9","1") = "8"
    & skf18("4","5","3","8","9","10","1") = "9"
    & skf18("4","5","3","8","10","1","1") = "9"
    & skf18("4","5","3","8","10","2","1") = "9"
    & skf18("4","5","3","8","10","3","1") = "9"
    & skf18("4","5","3","8","10","4","1") = "9"
    & skf18("4","5","3","8","10","5","1") = "9"
    & skf18("4","5","3","8","10","6","1") = "9"
    & skf18("4","5","3","8","10","7","1") = "9"
    & skf18("4","5","3","8","10","8","1") = "9"
    & skf18("4","5","3","8","10","9","1") = "9"
    & skf18("4","5","3","8","10","10","1") = "9"
    & skf18("4","5","3","9","1","1","1") = "8"
    & skf18("4","5","3","9","1","2","1") = "8"
    & skf18("4","5","3","9","1","3","1") = "8"
    & skf18("4","5","3","9","1","4","1") = "8"
    & skf18("4","5","3","9","1","5","1") = "8"
    & skf18("4","5","3","9","1","6","1") = "8"
    & skf18("4","5","3","9","1","7","1") = "8"
    & skf18("4","5","3","9","1","8","1") = "8"
    & skf18("4","5","3","9","1","9","1") = "8"
    & skf18("4","5","3","9","1","10","1") = "9"
    & skf18("4","5","3","9","2","1","1") = "8"
    & skf18("4","5","3","9","2","2","1") = "8"
    & skf18("4","5","3","9","2","3","1") = "8"
    & skf18("4","5","3","9","2","4","1") = "8"
    & skf18("4","5","3","9","2","5","1") = "8"
    & skf18("4","5","3","9","2","6","1") = "8"
    & skf18("4","5","3","9","2","7","1") = "8"
    & skf18("4","5","3","9","2","8","1") = "8"
    & skf18("4","5","3","9","2","9","1") = "8"
    & skf18("4","5","3","9","2","10","1") = "9"
    & skf18("4","5","3","9","3","1","1") = "8"
    & skf18("4","5","3","9","3","2","1") = "8"
    & skf18("4","5","3","9","3","3","1") = "8"
    & skf18("4","5","3","9","3","4","1") = "8"
    & skf18("4","5","3","9","3","5","1") = "8"
    & skf18("4","5","3","9","3","6","1") = "8"
    & skf18("4","5","3","9","3","7","1") = "8"
    & skf18("4","5","3","9","3","8","1") = "8"
    & skf18("4","5","3","9","3","9","1") = "8"
    & skf18("4","5","3","9","3","10","1") = "9"
    & skf18("4","5","3","9","4","1","1") = "8"
    & skf18("4","5","3","9","4","2","1") = "8"
    & skf18("4","5","3","9","4","3","1") = "8"
    & skf18("4","5","3","9","4","4","1") = "8"
    & skf18("4","5","3","9","4","5","1") = "8"
    & skf18("4","5","3","9","4","6","1") = "8"
    & skf18("4","5","3","9","4","7","1") = "8"
    & skf18("4","5","3","9","4","8","1") = "8"
    & skf18("4","5","3","9","4","9","1") = "8"
    & skf18("4","5","3","9","4","10","1") = "9"
    & skf18("4","5","3","9","5","1","1") = "8"
    & skf18("4","5","3","9","5","2","1") = "8"
    & skf18("4","5","3","9","5","3","1") = "8"
    & skf18("4","5","3","9","5","4","1") = "8"
    & skf18("4","5","3","9","5","5","1") = "8"
    & skf18("4","5","3","9","5","6","1") = "8"
    & skf18("4","5","3","9","5","7","1") = "8"
    & skf18("4","5","3","9","5","8","1") = "8"
    & skf18("4","5","3","9","5","9","1") = "8"
    & skf18("4","5","3","9","5","10","1") = "9"
    & skf18("4","5","3","9","6","1","1") = "8"
    & skf18("4","5","3","9","6","2","1") = "8"
    & skf18("4","5","3","9","6","3","1") = "8"
    & skf18("4","5","3","9","6","4","1") = "8"
    & skf18("4","5","3","9","6","5","1") = "8"
    & skf18("4","5","3","9","6","6","1") = "8"
    & skf18("4","5","3","9","6","7","1") = "8"
    & skf18("4","5","3","9","6","8","1") = "8"
    & skf18("4","5","3","9","6","9","1") = "8"
    & skf18("4","5","3","9","6","10","1") = "9"
    & skf18("4","5","3","9","7","1","1") = "8"
    & skf18("4","5","3","9","7","2","1") = "8"
    & skf18("4","5","3","9","7","3","1") = "8"
    & skf18("4","5","3","9","7","4","1") = "8"
    & skf18("4","5","3","9","7","5","1") = "8"
    & skf18("4","5","3","9","7","6","1") = "8"
    & skf18("4","5","3","9","7","7","1") = "8"
    & skf18("4","5","3","9","7","8","1") = "8"
    & skf18("4","5","3","9","7","9","1") = "8"
    & skf18("4","5","3","9","7","10","1") = "9"
    & skf18("4","5","3","9","8","1","1") = "8"
    & skf18("4","5","3","9","8","2","1") = "8"
    & skf18("4","5","3","9","8","3","1") = "8"
    & skf18("4","5","3","9","8","4","1") = "8"
    & skf18("4","5","3","9","8","5","1") = "8"
    & skf18("4","5","3","9","8","6","1") = "8"
    & skf18("4","5","3","9","8","7","1") = "8"
    & skf18("4","5","3","9","8","8","1") = "8"
    & skf18("4","5","3","9","8","9","1") = "8"
    & skf18("4","5","3","9","8","10","1") = "9"
    & skf18("4","5","3","9","9","1","1") = "8"
    & skf18("4","5","3","9","9","2","1") = "8"
    & skf18("4","5","3","9","9","3","1") = "8"
    & skf18("4","5","3","9","9","4","1") = "8"
    & skf18("4","5","3","9","9","5","1") = "8"
    & skf18("4","5","3","9","9","6","1") = "8"
    & skf18("4","5","3","9","9","7","1") = "8"
    & skf18("4","5","3","9","9","8","1") = "8"
    & skf18("4","5","3","9","9","9","1") = "8"
    & skf18("4","5","3","9","9","10","1") = "9"
    & skf18("4","5","3","9","10","1","1") = "9"
    & skf18("4","5","3","9","10","2","1") = "9"
    & skf18("4","5","3","9","10","3","1") = "9"
    & skf18("4","5","3","9","10","4","1") = "9"
    & skf18("4","5","3","9","10","5","1") = "9"
    & skf18("4","5","3","9","10","6","1") = "9"
    & skf18("4","5","3","9","10","7","1") = "9"
    & skf18("4","5","3","9","10","8","1") = "9"
    & skf18("4","5","3","9","10","9","1") = "9"
    & skf18("4","5","3","9","10","10","1") = "9"
    & skf18("4","5","3","10","1","1","1") = "9"
    & skf18("4","5","3","10","1","2","1") = "9"
    & skf18("4","5","3","10","1","3","1") = "9"
    & skf18("4","5","3","10","1","4","1") = "9"
    & skf18("4","5","3","10","1","5","1") = "9"
    & skf18("4","5","3","10","1","6","1") = "9"
    & skf18("4","5","3","10","1","7","1") = "9"
    & skf18("4","5","3","10","1","8","1") = "9"
    & skf18("4","5","3","10","1","9","1") = "9"
    & skf18("4","5","3","10","1","10","1") = "9"
    & skf18("4","5","3","10","2","1","1") = "9"
    & skf18("4","5","3","10","2","2","1") = "9"
    & skf18("4","5","3","10","2","3","1") = "9"
    & skf18("4","5","3","10","2","4","1") = "9"
    & skf18("4","5","3","10","2","5","1") = "9"
    & skf18("4","5","3","10","2","6","1") = "9"
    & skf18("4","5","3","10","2","7","1") = "9"
    & skf18("4","5","3","10","2","8","1") = "9"
    & skf18("4","5","3","10","2","9","1") = "9"
    & skf18("4","5","3","10","2","10","1") = "9"
    & skf18("4","5","3","10","3","1","1") = "9"
    & skf18("4","5","3","10","3","2","1") = "9"
    & skf18("4","5","3","10","3","3","1") = "9"
    & skf18("4","5","3","10","3","4","1") = "9"
    & skf18("4","5","3","10","3","5","1") = "9"
    & skf18("4","5","3","10","3","6","1") = "9"
    & skf18("4","5","3","10","3","7","1") = "9"
    & skf18("4","5","3","10","3","8","1") = "9"
    & skf18("4","5","3","10","3","9","1") = "9"
    & skf18("4","5","3","10","3","10","1") = "9"
    & skf18("4","5","3","10","4","1","1") = "9"
    & skf18("4","5","3","10","4","2","1") = "9"
    & skf18("4","5","3","10","4","3","1") = "9"
    & skf18("4","5","3","10","4","4","1") = "9"
    & skf18("4","5","3","10","4","5","1") = "9"
    & skf18("4","5","3","10","4","6","1") = "9"
    & skf18("4","5","3","10","4","7","1") = "9"
    & skf18("4","5","3","10","4","8","1") = "9"
    & skf18("4","5","3","10","4","9","1") = "9"
    & skf18("4","5","3","10","4","10","1") = "9"
    & skf18("4","5","3","10","5","1","1") = "9"
    & skf18("4","5","3","10","5","2","1") = "9"
    & skf18("4","5","3","10","5","3","1") = "9"
    & skf18("4","5","3","10","5","4","1") = "9"
    & skf18("4","5","3","10","5","5","1") = "9"
    & skf18("4","5","3","10","5","6","1") = "9"
    & skf18("4","5","3","10","5","7","1") = "9"
    & skf18("4","5","3","10","5","8","1") = "9"
    & skf18("4","5","3","10","5","9","1") = "9"
    & skf18("4","5","3","10","5","10","1") = "9"
    & skf18("4","5","3","10","6","1","1") = "9"
    & skf18("4","5","3","10","6","2","1") = "9"
    & skf18("4","5","3","10","6","3","1") = "9"
    & skf18("4","5","3","10","6","4","1") = "9"
    & skf18("4","5","3","10","6","5","1") = "9"
    & skf18("4","5","3","10","6","6","1") = "9"
    & skf18("4","5","3","10","6","7","1") = "9"
    & skf18("4","5","3","10","6","8","1") = "9"
    & skf18("4","5","3","10","6","9","1") = "9"
    & skf18("4","5","3","10","6","10","1") = "9"
    & skf18("4","5","3","10","7","1","1") = "9"
    & skf18("4","5","3","10","7","2","1") = "9"
    & skf18("4","5","3","10","7","3","1") = "9"
    & skf18("4","5","3","10","7","4","1") = "9"
    & skf18("4","5","3","10","7","5","1") = "9"
    & skf18("4","5","3","10","7","6","1") = "9"
    & skf18("4","5","3","10","7","7","1") = "9"
    & skf18("4","5","3","10","7","8","1") = "9"
    & skf18("4","5","3","10","7","9","1") = "9"
    & skf18("4","5","3","10","7","10","1") = "9"
    & skf18("4","5","3","10","8","1","1") = "9"
    & skf18("4","5","3","10","8","2","1") = "9"
    & skf18("4","5","3","10","8","3","1") = "9"
    & skf18("4","5","3","10","8","4","1") = "9"
    & skf18("4","5","3","10","8","5","1") = "9"
    & skf18("4","5","3","10","8","6","1") = "9"
    & skf18("4","5","3","10","8","7","1") = "9"
    & skf18("4","5","3","10","8","8","1") = "9"
    & skf18("4","5","3","10","8","9","1") = "9"
    & skf18("4","5","3","10","8","10","1") = "9"
    & skf18("4","5","3","10","9","1","1") = "9"
    & skf18("4","5","3","10","9","2","1") = "9"
    & skf18("4","5","3","10","9","3","1") = "9"
    & skf18("4","5","3","10","9","4","1") = "9"
    & skf18("4","5","3","10","9","5","1") = "9"
    & skf18("4","5","3","10","9","6","1") = "9"
    & skf18("4","5","3","10","9","7","1") = "9"
    & skf18("4","5","3","10","9","8","1") = "9"
    & skf18("4","5","3","10","9","9","1") = "9"
    & skf18("4","5","3","10","9","10","1") = "9"
    & skf18("4","5","3","10","10","1","1") = "9"
    & skf18("4","5","3","10","10","2","1") = "9"
    & skf18("4","5","3","10","10","3","1") = "9"
    & skf18("4","5","3","10","10","4","1") = "9"
    & skf18("4","5","3","10","10","5","1") = "9"
    & skf18("4","5","3","10","10","6","1") = "9"
    & skf18("4","5","3","10","10","7","1") = "9"
    & skf18("4","5","3","10","10","8","1") = "9"
    & skf18("4","5","3","10","10","9","1") = "9"
    & skf18("4","5","3","10","10","10","1") = "9"
    & skf18("4","5","4","1","1","1","1") = "4"
    & skf18("4","5","4","1","1","2","1") = "4"
    & skf18("4","5","4","1","1","3","1") = "4"
    & skf18("4","5","4","1","1","4","1") = "4"
    & skf18("4","5","4","1","1","5","1") = "4"
    & skf18("4","5","4","1","1","6","1") = "5"
    & skf18("4","5","4","1","1","7","1") = "6"
    & skf18("4","5","4","1","1","8","1") = "7"
    & skf18("4","5","4","1","1","9","1") = "8"
    & skf18("4","5","4","1","1","10","1") = "9"
    & skf18("4","5","4","1","2","1","1") = "4"
    & skf18("4","5","4","1","2","2","1") = "4"
    & skf18("4","5","4","1","2","3","1") = "4"
    & skf18("4","5","4","1","2","4","1") = "4"
    & skf18("4","5","4","1","2","5","1") = "4"
    & skf18("4","5","4","1","2","6","1") = "5"
    & skf18("4","5","4","1","2","7","1") = "6"
    & skf18("4","5","4","1","2","8","1") = "7"
    & skf18("4","5","4","1","2","9","1") = "8"
    & skf18("4","5","4","1","2","10","1") = "9"
    & skf18("4","5","4","1","3","1","1") = "4"
    & skf18("4","5","4","1","3","2","1") = "4"
    & skf18("4","5","4","1","3","3","1") = "4"
    & skf18("4","5","4","1","3","4","1") = "4"
    & skf18("4","5","4","1","3","5","1") = "4"
    & skf18("4","5","4","1","3","6","1") = "5"
    & skf18("4","5","4","1","3","7","1") = "6"
    & skf18("4","5","4","1","3","8","1") = "7"
    & skf18("4","5","4","1","3","9","1") = "8"
    & skf18("4","5","4","1","3","10","1") = "9"
    & skf18("4","5","4","1","4","1","1") = "4"
    & skf18("4","5","4","1","4","2","1") = "4"
    & skf18("4","5","4","1","4","3","1") = "4"
    & skf18("4","5","4","1","4","4","1") = "4"
    & skf18("4","5","4","1","4","5","1") = "4"
    & skf18("4","5","4","1","4","6","1") = "5"
    & skf18("4","5","4","1","4","7","1") = "6"
    & skf18("4","5","4","1","4","8","1") = "7"
    & skf18("4","5","4","1","4","9","1") = "8"
    & skf18("4","5","4","1","4","10","1") = "9"
    & skf18("4","5","4","1","5","1","1") = "4"
    & skf18("4","5","4","1","5","2","1") = "4"
    & skf18("4","5","4","1","5","3","1") = "4"
    & skf18("4","5","4","1","5","4","1") = "4"
    & skf18("4","5","4","1","5","5","1") = "4"
    & skf18("4","5","4","1","5","6","1") = "5"
    & skf18("4","5","4","1","5","7","1") = "6"
    & skf18("4","5","4","1","5","8","1") = "7"
    & skf18("4","5","4","1","5","9","1") = "8"
    & skf18("4","5","4","1","5","10","1") = "9"
    & skf18("4","5","4","1","6","1","1") = "5"
    & skf18("4","5","4","1","6","2","1") = "5"
    & skf18("4","5","4","1","6","3","1") = "5"
    & skf18("4","5","4","1","6","4","1") = "5"
    & skf18("4","5","4","1","6","5","1") = "5"
    & skf18("4","5","4","1","6","6","1") = "5"
    & skf18("4","5","4","1","6","7","1") = "6"
    & skf18("4","5","4","1","6","8","1") = "7"
    & skf18("4","5","4","1","6","9","1") = "8"
    & skf18("4","5","4","1","6","10","1") = "9"
    & skf18("4","5","4","1","7","1","1") = "6"
    & skf18("4","5","4","1","7","2","1") = "6"
    & skf18("4","5","4","1","7","3","1") = "6"
    & skf18("4","5","4","1","7","4","1") = "6"
    & skf18("4","5","4","1","7","5","1") = "6"
    & skf18("4","5","4","1","7","6","1") = "6"
    & skf18("4","5","4","1","7","7","1") = "6"
    & skf18("4","5","4","1","7","8","1") = "7"
    & skf18("4","5","4","1","7","9","1") = "8"
    & skf18("4","5","4","1","7","10","1") = "9"
    & skf18("4","5","4","1","8","1","1") = "7"
    & skf18("4","5","4","1","8","2","1") = "7"
    & skf18("4","5","4","1","8","3","1") = "7"
    & skf18("4","5","4","1","8","4","1") = "7"
    & skf18("4","5","4","1","8","5","1") = "7"
    & skf18("4","5","4","1","8","6","1") = "7"
    & skf18("4","5","4","1","8","7","1") = "7"
    & skf18("4","5","4","1","8","8","1") = "7"
    & skf18("4","5","4","1","8","9","1") = "8"
    & skf18("4","5","4","1","8","10","1") = "9"
    & skf18("4","5","4","1","9","1","1") = "8"
    & skf18("4","5","4","1","9","2","1") = "8"
    & skf18("4","5","4","1","9","3","1") = "8"
    & skf18("4","5","4","1","9","4","1") = "8"
    & skf18("4","5","4","1","9","5","1") = "8"
    & skf18("4","5","4","1","9","6","1") = "8"
    & skf18("4","5","4","1","9","7","1") = "8"
    & skf18("4","5","4","1","9","8","1") = "8"
    & skf18("4","5","4","1","9","9","1") = "8"
    & skf18("4","5","4","1","9","10","1") = "9"
    & skf18("4","5","4","1","10","1","1") = "9"
    & skf18("4","5","4","1","10","2","1") = "9"
    & skf18("4","5","4","1","10","3","1") = "9"
    & skf18("4","5","4","1","10","4","1") = "9"
    & skf18("4","5","4","1","10","5","1") = "9"
    & skf18("4","5","4","1","10","6","1") = "9"
    & skf18("4","5","4","1","10","7","1") = "9"
    & skf18("4","5","4","1","10","8","1") = "9"
    & skf18("4","5","4","1","10","9","1") = "9"
    & skf18("4","5","4","1","10","10","1") = "9"
    & skf18("4","5","4","2","1","1","1") = "4"
    & skf18("4","5","4","2","1","2","1") = "4"
    & skf18("4","5","4","2","1","3","1") = "4"
    & skf18("4","5","4","2","1","4","1") = "4"
    & skf18("4","5","4","2","1","5","1") = "4"
    & skf18("4","5","4","2","1","6","1") = "5"
    & skf18("4","5","4","2","1","7","1") = "6"
    & skf18("4","5","4","2","1","8","1") = "7"
    & skf18("4","5","4","2","1","9","1") = "8"
    & skf18("4","5","4","2","1","10","1") = "9"
    & skf18("4","5","4","2","2","1","1") = "4"
    & skf18("4","5","4","2","2","2","1") = "4"
    & skf18("4","5","4","2","2","3","1") = "4"
    & skf18("4","5","4","2","2","4","1") = "4"
    & skf18("4","5","4","2","2","5","1") = "4"
    & skf18("4","5","4","2","2","6","1") = "5"
    & skf18("4","5","4","2","2","7","1") = "6"
    & skf18("4","5","4","2","2","8","1") = "7"
    & skf18("4","5","4","2","2","9","1") = "8"
    & skf18("4","5","4","2","2","10","1") = "9"
    & skf18("4","5","4","2","3","1","1") = "4"
    & skf18("4","5","4","2","3","2","1") = "4"
    & skf18("4","5","4","2","3","3","1") = "4"
    & skf18("4","5","4","2","3","4","1") = "4"
    & skf18("4","5","4","2","3","5","1") = "4"
    & skf18("4","5","4","2","3","6","1") = "5"
    & skf18("4","5","4","2","3","7","1") = "6"
    & skf18("4","5","4","2","3","8","1") = "7"
    & skf18("4","5","4","2","3","9","1") = "8"
    & skf18("4","5","4","2","3","10","1") = "9"
    & skf18("4","5","4","2","4","1","1") = "4"
    & skf18("4","5","4","2","4","2","1") = "4"
    & skf18("4","5","4","2","4","3","1") = "4"
    & skf18("4","5","4","2","4","4","1") = "4"
    & skf18("4","5","4","2","4","5","1") = "4"
    & skf18("4","5","4","2","4","6","1") = "5"
    & skf18("4","5","4","2","4","7","1") = "6"
    & skf18("4","5","4","2","4","8","1") = "7"
    & skf18("4","5","4","2","4","9","1") = "8"
    & skf18("4","5","4","2","4","10","1") = "9"
    & skf18("4","5","4","2","5","1","1") = "4"
    & skf18("4","5","4","2","5","2","1") = "4"
    & skf18("4","5","4","2","5","3","1") = "4"
    & skf18("4","5","4","2","5","4","1") = "4"
    & skf18("4","5","4","2","5","5","1") = "4"
    & skf18("4","5","4","2","5","6","1") = "5"
    & skf18("4","5","4","2","5","7","1") = "6"
    & skf18("4","5","4","2","5","8","1") = "7"
    & skf18("4","5","4","2","5","9","1") = "8"
    & skf18("4","5","4","2","5","10","1") = "9"
    & skf18("4","5","4","2","6","1","1") = "5"
    & skf18("4","5","4","2","6","2","1") = "5"
    & skf18("4","5","4","2","6","3","1") = "5"
    & skf18("4","5","4","2","6","4","1") = "5"
    & skf18("4","5","4","2","6","5","1") = "5"
    & skf18("4","5","4","2","6","6","1") = "5"
    & skf18("4","5","4","2","6","7","1") = "6"
    & skf18("4","5","4","2","6","8","1") = "7"
    & skf18("4","5","4","2","6","9","1") = "8"
    & skf18("4","5","4","2","6","10","1") = "9"
    & skf18("4","5","4","2","7","1","1") = "6"
    & skf18("4","5","4","2","7","2","1") = "6"
    & skf18("4","5","4","2","7","3","1") = "6"
    & skf18("4","5","4","2","7","4","1") = "6"
    & skf18("4","5","4","2","7","5","1") = "6"
    & skf18("4","5","4","2","7","6","1") = "6"
    & skf18("4","5","4","2","7","7","1") = "6"
    & skf18("4","5","4","2","7","8","1") = "7"
    & skf18("4","5","4","2","7","9","1") = "8"
    & skf18("4","5","4","2","7","10","1") = "9"
    & skf18("4","5","4","2","8","1","1") = "7"
    & skf18("4","5","4","2","8","2","1") = "7"
    & skf18("4","5","4","2","8","3","1") = "7"
    & skf18("4","5","4","2","8","4","1") = "7"
    & skf18("4","5","4","2","8","5","1") = "7"
    & skf18("4","5","4","2","8","6","1") = "7"
    & skf18("4","5","4","2","8","7","1") = "7"
    & skf18("4","5","4","2","8","8","1") = "7"
    & skf18("4","5","4","2","8","9","1") = "8"
    & skf18("4","5","4","2","8","10","1") = "9"
    & skf18("4","5","4","2","9","1","1") = "8"
    & skf18("4","5","4","2","9","2","1") = "8"
    & skf18("4","5","4","2","9","3","1") = "8"
    & skf18("4","5","4","2","9","4","1") = "8"
    & skf18("4","5","4","2","9","5","1") = "8"
    & skf18("4","5","4","2","9","6","1") = "8"
    & skf18("4","5","4","2","9","7","1") = "8"
    & skf18("4","5","4","2","9","8","1") = "8"
    & skf18("4","5","4","2","9","9","1") = "8"
    & skf18("4","5","4","2","9","10","1") = "9"
    & skf18("4","5","4","2","10","1","1") = "9"
    & skf18("4","5","4","2","10","2","1") = "9"
    & skf18("4","5","4","2","10","3","1") = "9"
    & skf18("4","5","4","2","10","4","1") = "9"
    & skf18("4","5","4","2","10","5","1") = "9"
    & skf18("4","5","4","2","10","6","1") = "9"
    & skf18("4","5","4","2","10","7","1") = "9"
    & skf18("4","5","4","2","10","8","1") = "9"
    & skf18("4","5","4","2","10","9","1") = "9"
    & skf18("4","5","4","2","10","10","1") = "9"
    & skf18("4","5","4","3","1","1","1") = "4"
    & skf18("4","5","4","3","1","2","1") = "4"
    & skf18("4","5","4","3","1","3","1") = "4"
    & skf18("4","5","4","3","1","4","1") = "4"
    & skf18("4","5","4","3","1","5","1") = "4"
    & skf18("4","5","4","3","1","6","1") = "5"
    & skf18("4","5","4","3","1","7","1") = "6"
    & skf18("4","5","4","3","1","8","1") = "7"
    & skf18("4","5","4","3","1","9","1") = "8"
    & skf18("4","5","4","3","1","10","1") = "9"
    & skf18("4","5","4","3","2","1","1") = "4"
    & skf18("4","5","4","3","2","2","1") = "4"
    & skf18("4","5","4","3","2","3","1") = "4"
    & skf18("4","5","4","3","2","4","1") = "4"
    & skf18("4","5","4","3","2","5","1") = "4"
    & skf18("4","5","4","3","2","6","1") = "5"
    & skf18("4","5","4","3","2","7","1") = "6"
    & skf18("4","5","4","3","2","8","1") = "7"
    & skf18("4","5","4","3","2","9","1") = "8"
    & skf18("4","5","4","3","2","10","1") = "9"
    & skf18("4","5","4","3","3","1","1") = "4"
    & skf18("4","5","4","3","3","2","1") = "4"
    & skf18("4","5","4","3","3","3","1") = "4"
    & skf18("4","5","4","3","3","4","1") = "4"
    & skf18("4","5","4","3","3","5","1") = "4"
    & skf18("4","5","4","3","3","6","1") = "5"
    & skf18("4","5","4","3","3","7","1") = "6"
    & skf18("4","5","4","3","3","8","1") = "7"
    & skf18("4","5","4","3","3","9","1") = "8"
    & skf18("4","5","4","3","3","10","1") = "9"
    & skf18("4","5","4","3","4","1","1") = "4"
    & skf18("4","5","4","3","4","2","1") = "4"
    & skf18("4","5","4","3","4","3","1") = "4"
    & skf18("4","5","4","3","4","4","1") = "4"
    & skf18("4","5","4","3","4","5","1") = "4"
    & skf18("4","5","4","3","4","6","1") = "5"
    & skf18("4","5","4","3","4","7","1") = "6"
    & skf18("4","5","4","3","4","8","1") = "7"
    & skf18("4","5","4","3","4","9","1") = "8"
    & skf18("4","5","4","3","4","10","1") = "9"
    & skf18("4","5","4","3","5","1","1") = "4"
    & skf18("4","5","4","3","5","2","1") = "4"
    & skf18("4","5","4","3","5","3","1") = "4"
    & skf18("4","5","4","3","5","4","1") = "4"
    & skf18("4","5","4","3","5","5","1") = "4"
    & skf18("4","5","4","3","5","6","1") = "5"
    & skf18("4","5","4","3","5","7","1") = "6"
    & skf18("4","5","4","3","5","8","1") = "7"
    & skf18("4","5","4","3","5","9","1") = "8"
    & skf18("4","5","4","3","5","10","1") = "9"
    & skf18("4","5","4","3","6","1","1") = "5"
    & skf18("4","5","4","3","6","2","1") = "5"
    & skf18("4","5","4","3","6","3","1") = "5"
    & skf18("4","5","4","3","6","4","1") = "5"
    & skf18("4","5","4","3","6","5","1") = "5"
    & skf18("4","5","4","3","6","6","1") = "5"
    & skf18("4","5","4","3","6","7","1") = "6"
    & skf18("4","5","4","3","6","8","1") = "7"
    & skf18("4","5","4","3","6","9","1") = "8"
    & skf18("4","5","4","3","6","10","1") = "9"
    & skf18("4","5","4","3","7","1","1") = "6"
    & skf18("4","5","4","3","7","2","1") = "6"
    & skf18("4","5","4","3","7","3","1") = "6"
    & skf18("4","5","4","3","7","4","1") = "6"
    & skf18("4","5","4","3","7","5","1") = "6"
    & skf18("4","5","4","3","7","6","1") = "6"
    & skf18("4","5","4","3","7","7","1") = "6"
    & skf18("4","5","4","3","7","8","1") = "7"
    & skf18("4","5","4","3","7","9","1") = "8"
    & skf18("4","5","4","3","7","10","1") = "9"
    & skf18("4","5","4","3","8","1","1") = "7"
    & skf18("4","5","4","3","8","2","1") = "7"
    & skf18("4","5","4","3","8","3","1") = "7"
    & skf18("4","5","4","3","8","4","1") = "7"
    & skf18("4","5","4","3","8","5","1") = "7"
    & skf18("4","5","4","3","8","6","1") = "7"
    & skf18("4","5","4","3","8","7","1") = "7"
    & skf18("4","5","4","3","8","8","1") = "7"
    & skf18("4","5","4","3","8","9","1") = "8"
    & skf18("4","5","4","3","8","10","1") = "9"
    & skf18("4","5","4","3","9","1","1") = "8"
    & skf18("4","5","4","3","9","2","1") = "8"
    & skf18("4","5","4","3","9","3","1") = "8"
    & skf18("4","5","4","3","9","4","1") = "8"
    & skf18("4","5","4","3","9","5","1") = "8"
    & skf18("4","5","4","3","9","6","1") = "8"
    & skf18("4","5","4","3","9","7","1") = "8"
    & skf18("4","5","4","3","9","8","1") = "8"
    & skf18("4","5","4","3","9","9","1") = "8"
    & skf18("4","5","4","3","9","10","1") = "9"
    & skf18("4","5","4","3","10","1","1") = "9"
    & skf18("4","5","4","3","10","2","1") = "9"
    & skf18("4","5","4","3","10","3","1") = "9"
    & skf18("4","5","4","3","10","4","1") = "9"
    & skf18("4","5","4","3","10","5","1") = "9"
    & skf18("4","5","4","3","10","6","1") = "9"
    & skf18("4","5","4","3","10","7","1") = "9"
    & skf18("4","5","4","3","10","8","1") = "9"
    & skf18("4","5","4","3","10","9","1") = "9"
    & skf18("4","5","4","3","10","10","1") = "9"
    & skf18("4","5","4","4","1","1","1") = "4"
    & skf18("4","5","4","4","1","2","1") = "4"
    & skf18("4","5","4","4","1","3","1") = "4"
    & skf18("4","5","4","4","1","4","1") = "4"
    & skf18("4","5","4","4","1","5","1") = "4"
    & skf18("4","5","4","4","1","6","1") = "5"
    & skf18("4","5","4","4","1","7","1") = "6"
    & skf18("4","5","4","4","1","8","1") = "7"
    & skf18("4","5","4","4","1","9","1") = "8"
    & skf18("4","5","4","4","1","10","1") = "9"
    & skf18("4","5","4","4","2","1","1") = "4"
    & skf18("4","5","4","4","2","2","1") = "4"
    & skf18("4","5","4","4","2","3","1") = "4"
    & skf18("4","5","4","4","2","4","1") = "4"
    & skf18("4","5","4","4","2","5","1") = "4"
    & skf18("4","5","4","4","2","6","1") = "5"
    & skf18("4","5","4","4","2","7","1") = "6"
    & skf18("4","5","4","4","2","8","1") = "7"
    & skf18("4","5","4","4","2","9","1") = "8"
    & skf18("4","5","4","4","2","10","1") = "9"
    & skf18("4","5","4","4","3","1","1") = "4"
    & skf18("4","5","4","4","3","2","1") = "4"
    & skf18("4","5","4","4","3","3","1") = "4"
    & skf18("4","5","4","4","3","4","1") = "4"
    & skf18("4","5","4","4","3","5","1") = "4"
    & skf18("4","5","4","4","3","6","1") = "5"
    & skf18("4","5","4","4","3","7","1") = "6"
    & skf18("4","5","4","4","3","8","1") = "7"
    & skf18("4","5","4","4","3","9","1") = "8"
    & skf18("4","5","4","4","3","10","1") = "9"
    & skf18("4","5","4","4","4","1","1") = "4"
    & skf18("4","5","4","4","4","2","1") = "4"
    & skf18("4","5","4","4","4","3","1") = "4"
    & skf18("4","5","4","4","4","4","1") = "4"
    & skf18("4","5","4","4","4","5","1") = "4"
    & skf18("4","5","4","4","4","6","1") = "5"
    & skf18("4","5","4","4","4","7","1") = "6"
    & skf18("4","5","4","4","4","8","1") = "7"
    & skf18("4","5","4","4","4","9","1") = "8"
    & skf18("4","5","4","4","4","10","1") = "9"
    & skf18("4","5","4","4","5","1","1") = "4"
    & skf18("4","5","4","4","5","2","1") = "4"
    & skf18("4","5","4","4","5","3","1") = "4"
    & skf18("4","5","4","4","5","4","1") = "4"
    & skf18("4","5","4","4","5","5","1") = "4"
    & skf18("4","5","4","4","5","6","1") = "5"
    & skf18("4","5","4","4","5","7","1") = "6"
    & skf18("4","5","4","4","5","8","1") = "7"
    & skf18("4","5","4","4","5","9","1") = "8"
    & skf18("4","5","4","4","5","10","1") = "9"
    & skf18("4","5","4","4","6","1","1") = "5"
    & skf18("4","5","4","4","6","2","1") = "5"
    & skf18("4","5","4","4","6","3","1") = "5"
    & skf18("4","5","4","4","6","4","1") = "5"
    & skf18("4","5","4","4","6","5","1") = "5"
    & skf18("4","5","4","4","6","6","1") = "5"
    & skf18("4","5","4","4","6","7","1") = "6"
    & skf18("4","5","4","4","6","8","1") = "7"
    & skf18("4","5","4","4","6","9","1") = "8"
    & skf18("4","5","4","4","6","10","1") = "9"
    & skf18("4","5","4","4","7","1","1") = "6"
    & skf18("4","5","4","4","7","2","1") = "6"
    & skf18("4","5","4","4","7","3","1") = "6"
    & skf18("4","5","4","4","7","4","1") = "6"
    & skf18("4","5","4","4","7","5","1") = "6"
    & skf18("4","5","4","4","7","6","1") = "6"
    & skf18("4","5","4","4","7","7","1") = "6"
    & skf18("4","5","4","4","7","8","1") = "7"
    & skf18("4","5","4","4","7","9","1") = "8"
    & skf18("4","5","4","4","7","10","1") = "9"
    & skf18("4","5","4","4","8","1","1") = "7"
    & skf18("4","5","4","4","8","2","1") = "7"
    & skf18("4","5","4","4","8","3","1") = "7"
    & skf18("4","5","4","4","8","4","1") = "7"
    & skf18("4","5","4","4","8","5","1") = "7"
    & skf18("4","5","4","4","8","6","1") = "7"
    & skf18("4","5","4","4","8","7","1") = "7"
    & skf18("4","5","4","4","8","8","1") = "7"
    & skf18("4","5","4","4","8","9","1") = "8"
    & skf18("4","5","4","4","8","10","1") = "9"
    & skf18("4","5","4","4","9","1","1") = "8"
    & skf18("4","5","4","4","9","2","1") = "8"
    & skf18("4","5","4","4","9","3","1") = "8"
    & skf18("4","5","4","4","9","4","1") = "8"
    & skf18("4","5","4","4","9","5","1") = "8"
    & skf18("4","5","4","4","9","6","1") = "8"
    & skf18("4","5","4","4","9","7","1") = "8"
    & skf18("4","5","4","4","9","8","1") = "8"
    & skf18("4","5","4","4","9","9","1") = "8"
    & skf18("4","5","4","4","9","10","1") = "9"
    & skf18("4","5","4","4","10","1","1") = "9"
    & skf18("4","5","4","4","10","2","1") = "9"
    & skf18("4","5","4","4","10","3","1") = "9"
    & skf18("4","5","4","4","10","4","1") = "9"
    & skf18("4","5","4","4","10","5","1") = "9"
    & skf18("4","5","4","4","10","6","1") = "9"
    & skf18("4","5","4","4","10","7","1") = "9"
    & skf18("4","5","4","4","10","8","1") = "9"
    & skf18("4","5","4","4","10","9","1") = "9"
    & skf18("4","5","4","4","10","10","1") = "9"
    & skf18("4","5","4","5","1","1","1") = "4"
    & skf18("4","5","4","5","1","2","1") = "4"
    & skf18("4","5","4","5","1","3","1") = "4"
    & skf18("4","5","4","5","1","4","1") = "4"
    & skf18("4","5","4","5","1","5","1") = "4"
    & skf18("4","5","4","5","1","6","1") = "5"
    & skf18("4","5","4","5","1","7","1") = "6"
    & skf18("4","5","4","5","1","8","1") = "7"
    & skf18("4","5","4","5","1","9","1") = "8"
    & skf18("4","5","4","5","1","10","1") = "9"
    & skf18("4","5","4","5","2","1","1") = "4"
    & skf18("4","5","4","5","2","2","1") = "4"
    & skf18("4","5","4","5","2","3","1") = "4"
    & skf18("4","5","4","5","2","4","1") = "4"
    & skf18("4","5","4","5","2","5","1") = "4"
    & skf18("4","5","4","5","2","6","1") = "5"
    & skf18("4","5","4","5","2","7","1") = "6"
    & skf18("4","5","4","5","2","8","1") = "7"
    & skf18("4","5","4","5","2","9","1") = "8"
    & skf18("4","5","4","5","2","10","1") = "9"
    & skf18("4","5","4","5","3","1","1") = "4"
    & skf18("4","5","4","5","3","2","1") = "4"
    & skf18("4","5","4","5","3","3","1") = "4"
    & skf18("4","5","4","5","3","4","1") = "4"
    & skf18("4","5","4","5","3","5","1") = "4"
    & skf18("4","5","4","5","3","6","1") = "5"
    & skf18("4","5","4","5","3","7","1") = "6"
    & skf18("4","5","4","5","3","8","1") = "7"
    & skf18("4","5","4","5","3","9","1") = "8"
    & skf18("4","5","4","5","3","10","1") = "9"
    & skf18("4","5","4","5","4","1","1") = "4"
    & skf18("4","5","4","5","4","2","1") = "4"
    & skf18("4","5","4","5","4","3","1") = "4"
    & skf18("4","5","4","5","4","4","1") = "4"
    & skf18("4","5","4","5","4","5","1") = "4"
    & skf18("4","5","4","5","4","6","1") = "5"
    & skf18("4","5","4","5","4","7","1") = "6"
    & skf18("4","5","4","5","4","8","1") = "7"
    & skf18("4","5","4","5","4","9","1") = "8"
    & skf18("4","5","4","5","4","10","1") = "9"
    & skf18("4","5","4","5","5","1","1") = "4"
    & skf18("4","5","4","5","5","2","1") = "4"
    & skf18("4","5","4","5","5","3","1") = "4"
    & skf18("4","5","4","5","5","4","1") = "4"
    & skf18("4","5","4","5","5","5","1") = "4"
    & skf18("4","5","4","5","5","6","1") = "5"
    & skf18("4","5","4","5","5","7","1") = "6"
    & skf18("4","5","4","5","5","8","1") = "7"
    & skf18("4","5","4","5","5","9","1") = "8"
    & skf18("4","5","4","5","5","10","1") = "9"
    & skf18("4","5","4","5","6","1","1") = "5"
    & skf18("4","5","4","5","6","2","1") = "5"
    & skf18("4","5","4","5","6","3","1") = "5"
    & skf18("4","5","4","5","6","4","1") = "5"
    & skf18("4","5","4","5","6","5","1") = "5"
    & skf18("4","5","4","5","6","6","1") = "5"
    & skf18("4","5","4","5","6","7","1") = "6"
    & skf18("4","5","4","5","6","8","1") = "7"
    & skf18("4","5","4","5","6","9","1") = "8"
    & skf18("4","5","4","5","6","10","1") = "9"
    & skf18("4","5","4","5","7","1","1") = "6"
    & skf18("4","5","4","5","7","2","1") = "6"
    & skf18("4","5","4","5","7","3","1") = "6"
    & skf18("4","5","4","5","7","4","1") = "6"
    & skf18("4","5","4","5","7","5","1") = "6"
    & skf18("4","5","4","5","7","6","1") = "6"
    & skf18("4","5","4","5","7","7","1") = "6"
    & skf18("4","5","4","5","7","8","1") = "7"
    & skf18("4","5","4","5","7","9","1") = "8"
    & skf18("4","5","4","5","7","10","1") = "9"
    & skf18("4","5","4","5","8","1","1") = "7"
    & skf18("4","5","4","5","8","2","1") = "7"
    & skf18("4","5","4","5","8","3","1") = "7"
    & skf18("4","5","4","5","8","4","1") = "7"
    & skf18("4","5","4","5","8","5","1") = "7"
    & skf18("4","5","4","5","8","6","1") = "7"
    & skf18("4","5","4","5","8","7","1") = "7"
    & skf18("4","5","4","5","8","8","1") = "7"
    & skf18("4","5","4","5","8","9","1") = "8"
    & skf18("4","5","4","5","8","10","1") = "9"
    & skf18("4","5","4","5","9","1","1") = "8"
    & skf18("4","5","4","5","9","2","1") = "8"
    & skf18("4","5","4","5","9","3","1") = "8"
    & skf18("4","5","4","5","9","4","1") = "8"
    & skf18("4","5","4","5","9","5","1") = "8"
    & skf18("4","5","4","5","9","6","1") = "8"
    & skf18("4","5","4","5","9","7","1") = "8"
    & skf18("4","5","4","5","9","8","1") = "8"
    & skf18("4","5","4","5","9","9","1") = "8"
    & skf18("4","5","4","5","9","10","1") = "9"
    & skf18("4","5","4","5","10","1","1") = "9"
    & skf18("4","5","4","5","10","2","1") = "9"
    & skf18("4","5","4","5","10","3","1") = "9"
    & skf18("4","5","4","5","10","4","1") = "9"
    & skf18("4","5","4","5","10","5","1") = "9"
    & skf18("4","5","4","5","10","6","1") = "9"
    & skf18("4","5","4","5","10","7","1") = "9"
    & skf18("4","5","4","5","10","8","1") = "9"
    & skf18("4","5","4","5","10","9","1") = "9"
    & skf18("4","5","4","5","10","10","1") = "9"
    & skf18("4","5","4","6","1","1","1") = "5"
    & skf18("4","5","4","6","1","2","1") = "5"
    & skf18("4","5","4","6","1","3","1") = "5"
    & skf18("4","5","4","6","1","4","1") = "5"
    & skf18("4","5","4","6","1","5","1") = "5"
    & skf18("4","5","4","6","1","6","1") = "5"
    & skf18("4","5","4","6","1","7","1") = "6"
    & skf18("4","5","4","6","1","8","1") = "7"
    & skf18("4","5","4","6","1","9","1") = "8"
    & skf18("4","5","4","6","1","10","1") = "9"
    & skf18("4","5","4","6","2","1","1") = "5"
    & skf18("4","5","4","6","2","2","1") = "5"
    & skf18("4","5","4","6","2","3","1") = "5"
    & skf18("4","5","4","6","2","4","1") = "5"
    & skf18("4","5","4","6","2","5","1") = "5"
    & skf18("4","5","4","6","2","6","1") = "5"
    & skf18("4","5","4","6","2","7","1") = "6"
    & skf18("4","5","4","6","2","8","1") = "7"
    & skf18("4","5","4","6","2","9","1") = "8"
    & skf18("4","5","4","6","2","10","1") = "9"
    & skf18("4","5","4","6","3","1","1") = "5"
    & skf18("4","5","4","6","3","2","1") = "5"
    & skf18("4","5","4","6","3","3","1") = "5"
    & skf18("4","5","4","6","3","4","1") = "5"
    & skf18("4","5","4","6","3","5","1") = "5"
    & skf18("4","5","4","6","3","6","1") = "5"
    & skf18("4","5","4","6","3","7","1") = "6"
    & skf18("4","5","4","6","3","8","1") = "7"
    & skf18("4","5","4","6","3","9","1") = "8"
    & skf18("4","5","4","6","3","10","1") = "9"
    & skf18("4","5","4","6","4","1","1") = "5"
    & skf18("4","5","4","6","4","2","1") = "5"
    & skf18("4","5","4","6","4","3","1") = "5"
    & skf18("4","5","4","6","4","4","1") = "5"
    & skf18("4","5","4","6","4","5","1") = "5"
    & skf18("4","5","4","6","4","6","1") = "5"
    & skf18("4","5","4","6","4","7","1") = "6"
    & skf18("4","5","4","6","4","8","1") = "7"
    & skf18("4","5","4","6","4","9","1") = "8"
    & skf18("4","5","4","6","4","10","1") = "9"
    & skf18("4","5","4","6","5","1","1") = "5"
    & skf18("4","5","4","6","5","2","1") = "5"
    & skf18("4","5","4","6","5","3","1") = "5"
    & skf18("4","5","4","6","5","4","1") = "5"
    & skf18("4","5","4","6","5","5","1") = "5"
    & skf18("4","5","4","6","5","6","1") = "5"
    & skf18("4","5","4","6","5","7","1") = "6"
    & skf18("4","5","4","6","5","8","1") = "7"
    & skf18("4","5","4","6","5","9","1") = "8"
    & skf18("4","5","4","6","5","10","1") = "9"
    & skf18("4","5","4","6","6","1","1") = "5"
    & skf18("4","5","4","6","6","2","1") = "5"
    & skf18("4","5","4","6","6","3","1") = "5"
    & skf18("4","5","4","6","6","4","1") = "5"
    & skf18("4","5","4","6","6","5","1") = "5"
    & skf18("4","5","4","6","6","6","1") = "5"
    & skf18("4","5","4","6","6","7","1") = "6"
    & skf18("4","5","4","6","6","8","1") = "7"
    & skf18("4","5","4","6","6","9","1") = "8"
    & skf18("4","5","4","6","6","10","1") = "9"
    & skf18("4","5","4","6","7","1","1") = "6"
    & skf18("4","5","4","6","7","2","1") = "6"
    & skf18("4","5","4","6","7","3","1") = "6"
    & skf18("4","5","4","6","7","4","1") = "6"
    & skf18("4","5","4","6","7","5","1") = "6"
    & skf18("4","5","4","6","7","6","1") = "6"
    & skf18("4","5","4","6","7","7","1") = "6"
    & skf18("4","5","4","6","7","8","1") = "7"
    & skf18("4","5","4","6","7","9","1") = "8"
    & skf18("4","5","4","6","7","10","1") = "9"
    & skf18("4","5","4","6","8","1","1") = "7"
    & skf18("4","5","4","6","8","2","1") = "7"
    & skf18("4","5","4","6","8","3","1") = "7"
    & skf18("4","5","4","6","8","4","1") = "7"
    & skf18("4","5","4","6","8","5","1") = "7"
    & skf18("4","5","4","6","8","6","1") = "7"
    & skf18("4","5","4","6","8","7","1") = "7"
    & skf18("4","5","4","6","8","8","1") = "7"
    & skf18("4","5","4","6","8","9","1") = "8"
    & skf18("4","5","4","6","8","10","1") = "9"
    & skf18("4","5","4","6","9","1","1") = "8"
    & skf18("4","5","4","6","9","2","1") = "8"
    & skf18("4","5","4","6","9","3","1") = "8"
    & skf18("4","5","4","6","9","4","1") = "8"
    & skf18("4","5","4","6","9","5","1") = "8"
    & skf18("4","5","4","6","9","6","1") = "8"
    & skf18("4","5","4","6","9","7","1") = "8"
    & skf18("4","5","4","6","9","8","1") = "8"
    & skf18("4","5","4","6","9","9","1") = "8"
    & skf18("4","5","4","6","9","10","1") = "9"
    & skf18("4","5","4","6","10","1","1") = "9"
    & skf18("4","5","4","6","10","2","1") = "9"
    & skf18("4","5","4","6","10","3","1") = "9"
    & skf18("4","5","4","6","10","4","1") = "9"
    & skf18("4","5","4","6","10","5","1") = "9"
    & skf18("4","5","4","6","10","6","1") = "9"
    & skf18("4","5","4","6","10","7","1") = "9"
    & skf18("4","5","4","6","10","8","1") = "9"
    & skf18("4","5","4","6","10","9","1") = "9"
    & skf18("4","5","4","6","10","10","1") = "9"
    & skf18("4","5","4","7","1","1","1") = "6"
    & skf18("4","5","4","7","1","2","1") = "6"
    & skf18("4","5","4","7","1","3","1") = "6"
    & skf18("4","5","4","7","1","4","1") = "6"
    & skf18("4","5","4","7","1","5","1") = "6"
    & skf18("4","5","4","7","1","6","1") = "6"
    & skf18("4","5","4","7","1","7","1") = "6"
    & skf18("4","5","4","7","1","8","1") = "7"
    & skf18("4","5","4","7","1","9","1") = "8"
    & skf18("4","5","4","7","1","10","1") = "9"
    & skf18("4","5","4","7","2","1","1") = "6"
    & skf18("4","5","4","7","2","2","1") = "6"
    & skf18("4","5","4","7","2","3","1") = "6"
    & skf18("4","5","4","7","2","4","1") = "6"
    & skf18("4","5","4","7","2","5","1") = "6"
    & skf18("4","5","4","7","2","6","1") = "6"
    & skf18("4","5","4","7","2","7","1") = "6"
    & skf18("4","5","4","7","2","8","1") = "7"
    & skf18("4","5","4","7","2","9","1") = "8"
    & skf18("4","5","4","7","2","10","1") = "9"
    & skf18("4","5","4","7","3","1","1") = "6"
    & skf18("4","5","4","7","3","2","1") = "6"
    & skf18("4","5","4","7","3","3","1") = "6"
    & skf18("4","5","4","7","3","4","1") = "6"
    & skf18("4","5","4","7","3","5","1") = "6"
    & skf18("4","5","4","7","3","6","1") = "6"
    & skf18("4","5","4","7","3","7","1") = "6"
    & skf18("4","5","4","7","3","8","1") = "7"
    & skf18("4","5","4","7","3","9","1") = "8"
    & skf18("4","5","4","7","3","10","1") = "9"
    & skf18("4","5","4","7","4","1","1") = "6"
    & skf18("4","5","4","7","4","2","1") = "6"
    & skf18("4","5","4","7","4","3","1") = "6"
    & skf18("4","5","4","7","4","4","1") = "6"
    & skf18("4","5","4","7","4","5","1") = "6"
    & skf18("4","5","4","7","4","6","1") = "6"
    & skf18("4","5","4","7","4","7","1") = "6"
    & skf18("4","5","4","7","4","8","1") = "7"
    & skf18("4","5","4","7","4","9","1") = "8"
    & skf18("4","5","4","7","4","10","1") = "9"
    & skf18("4","5","4","7","5","1","1") = "6"
    & skf18("4","5","4","7","5","2","1") = "6"
    & skf18("4","5","4","7","5","3","1") = "6"
    & skf18("4","5","4","7","5","4","1") = "6"
    & skf18("4","5","4","7","5","5","1") = "6"
    & skf18("4","5","4","7","5","6","1") = "6"
    & skf18("4","5","4","7","5","7","1") = "6"
    & skf18("4","5","4","7","5","8","1") = "7"
    & skf18("4","5","4","7","5","9","1") = "8"
    & skf18("4","5","4","7","5","10","1") = "9"
    & skf18("4","5","4","7","6","1","1") = "6"
    & skf18("4","5","4","7","6","2","1") = "6"
    & skf18("4","5","4","7","6","3","1") = "6"
    & skf18("4","5","4","7","6","4","1") = "6"
    & skf18("4","5","4","7","6","5","1") = "6"
    & skf18("4","5","4","7","6","6","1") = "6"
    & skf18("4","5","4","7","6","7","1") = "6"
    & skf18("4","5","4","7","6","8","1") = "7"
    & skf18("4","5","4","7","6","9","1") = "8"
    & skf18("4","5","4","7","6","10","1") = "9"
    & skf18("4","5","4","7","7","1","1") = "6"
    & skf18("4","5","4","7","7","2","1") = "6"
    & skf18("4","5","4","7","7","3","1") = "6"
    & skf18("4","5","4","7","7","4","1") = "6"
    & skf18("4","5","4","7","7","5","1") = "6"
    & skf18("4","5","4","7","7","6","1") = "6"
    & skf18("4","5","4","7","7","7","1") = "6"
    & skf18("4","5","4","7","7","8","1") = "7"
    & skf18("4","5","4","7","7","9","1") = "8"
    & skf18("4","5","4","7","7","10","1") = "9"
    & skf18("4","5","4","7","8","1","1") = "7"
    & skf18("4","5","4","7","8","2","1") = "7"
    & skf18("4","5","4","7","8","3","1") = "7"
    & skf18("4","5","4","7","8","4","1") = "7"
    & skf18("4","5","4","7","8","5","1") = "7"
    & skf18("4","5","4","7","8","6","1") = "7"
    & skf18("4","5","4","7","8","7","1") = "7"
    & skf18("4","5","4","7","8","8","1") = "7"
    & skf18("4","5","4","7","8","9","1") = "8"
    & skf18("4","5","4","7","8","10","1") = "9"
    & skf18("4","5","4","7","9","1","1") = "8"
    & skf18("4","5","4","7","9","2","1") = "8"
    & skf18("4","5","4","7","9","3","1") = "8"
    & skf18("4","5","4","7","9","4","1") = "8"
    & skf18("4","5","4","7","9","5","1") = "8"
    & skf18("4","5","4","7","9","6","1") = "8"
    & skf18("4","5","4","7","9","7","1") = "8"
    & skf18("4","5","4","7","9","8","1") = "8"
    & skf18("4","5","4","7","9","9","1") = "8"
    & skf18("4","5","4","7","9","10","1") = "9"
    & skf18("4","5","4","7","10","1","1") = "9"
    & skf18("4","5","4","7","10","2","1") = "9"
    & skf18("4","5","4","7","10","3","1") = "9"
    & skf18("4","5","4","7","10","4","1") = "9"
    & skf18("4","5","4","7","10","5","1") = "9"
    & skf18("4","5","4","7","10","6","1") = "9"
    & skf18("4","5","4","7","10","7","1") = "9"
    & skf18("4","5","4","7","10","8","1") = "9"
    & skf18("4","5","4","7","10","9","1") = "9"
    & skf18("4","5","4","7","10","10","1") = "9"
    & skf18("4","5","4","8","1","1","1") = "7"
    & skf18("4","5","4","8","1","2","1") = "7"
    & skf18("4","5","4","8","1","3","1") = "7"
    & skf18("4","5","4","8","1","4","1") = "7"
    & skf18("4","5","4","8","1","5","1") = "7"
    & skf18("4","5","4","8","1","6","1") = "7"
    & skf18("4","5","4","8","1","7","1") = "7"
    & skf18("4","5","4","8","1","8","1") = "7"
    & skf18("4","5","4","8","1","9","1") = "8"
    & skf18("4","5","4","8","1","10","1") = "9"
    & skf18("4","5","4","8","2","1","1") = "7"
    & skf18("4","5","4","8","2","2","1") = "7"
    & skf18("4","5","4","8","2","3","1") = "7"
    & skf18("4","5","4","8","2","4","1") = "7"
    & skf18("4","5","4","8","2","5","1") = "7"
    & skf18("4","5","4","8","2","6","1") = "7"
    & skf18("4","5","4","8","2","7","1") = "7"
    & skf18("4","5","4","8","2","8","1") = "7"
    & skf18("4","5","4","8","2","9","1") = "8"
    & skf18("4","5","4","8","2","10","1") = "9"
    & skf18("4","5","4","8","3","1","1") = "7"
    & skf18("4","5","4","8","3","2","1") = "7"
    & skf18("4","5","4","8","3","3","1") = "7"
    & skf18("4","5","4","8","3","4","1") = "7"
    & skf18("4","5","4","8","3","5","1") = "7"
    & skf18("4","5","4","8","3","6","1") = "7"
    & skf18("4","5","4","8","3","7","1") = "7"
    & skf18("4","5","4","8","3","8","1") = "7"
    & skf18("4","5","4","8","3","9","1") = "8"
    & skf18("4","5","4","8","3","10","1") = "9"
    & skf18("4","5","4","8","4","1","1") = "7"
    & skf18("4","5","4","8","4","2","1") = "7"
    & skf18("4","5","4","8","4","3","1") = "7"
    & skf18("4","5","4","8","4","4","1") = "7"
    & skf18("4","5","4","8","4","5","1") = "7"
    & skf18("4","5","4","8","4","6","1") = "7"
    & skf18("4","5","4","8","4","7","1") = "7"
    & skf18("4","5","4","8","4","8","1") = "7"
    & skf18("4","5","4","8","4","9","1") = "8"
    & skf18("4","5","4","8","4","10","1") = "9"
    & skf18("4","5","4","8","5","1","1") = "7"
    & skf18("4","5","4","8","5","2","1") = "7"
    & skf18("4","5","4","8","5","3","1") = "7"
    & skf18("4","5","4","8","5","4","1") = "7"
    & skf18("4","5","4","8","5","5","1") = "7"
    & skf18("4","5","4","8","5","6","1") = "7"
    & skf18("4","5","4","8","5","7","1") = "7"
    & skf18("4","5","4","8","5","8","1") = "7"
    & skf18("4","5","4","8","5","9","1") = "8"
    & skf18("4","5","4","8","5","10","1") = "9"
    & skf18("4","5","4","8","6","1","1") = "7"
    & skf18("4","5","4","8","6","2","1") = "7"
    & skf18("4","5","4","8","6","3","1") = "7"
    & skf18("4","5","4","8","6","4","1") = "7"
    & skf18("4","5","4","8","6","5","1") = "7"
    & skf18("4","5","4","8","6","6","1") = "7"
    & skf18("4","5","4","8","6","7","1") = "7"
    & skf18("4","5","4","8","6","8","1") = "7"
    & skf18("4","5","4","8","6","9","1") = "8"
    & skf18("4","5","4","8","6","10","1") = "9"
    & skf18("4","5","4","8","7","1","1") = "7"
    & skf18("4","5","4","8","7","2","1") = "7"
    & skf18("4","5","4","8","7","3","1") = "7"
    & skf18("4","5","4","8","7","4","1") = "7"
    & skf18("4","5","4","8","7","5","1") = "7"
    & skf18("4","5","4","8","7","6","1") = "7"
    & skf18("4","5","4","8","7","7","1") = "7"
    & skf18("4","5","4","8","7","8","1") = "7"
    & skf18("4","5","4","8","7","9","1") = "8"
    & skf18("4","5","4","8","7","10","1") = "9"
    & skf18("4","5","4","8","8","1","1") = "7"
    & skf18("4","5","4","8","8","2","1") = "7"
    & skf18("4","5","4","8","8","3","1") = "7"
    & skf18("4","5","4","8","8","4","1") = "7"
    & skf18("4","5","4","8","8","5","1") = "7"
    & skf18("4","5","4","8","8","6","1") = "7"
    & skf18("4","5","4","8","8","7","1") = "7"
    & skf18("4","5","4","8","8","8","1") = "7"
    & skf18("4","5","4","8","8","9","1") = "8"
    & skf18("4","5","4","8","8","10","1") = "9"
    & skf18("4","5","4","8","9","1","1") = "8"
    & skf18("4","5","4","8","9","2","1") = "8"
    & skf18("4","5","4","8","9","3","1") = "8"
    & skf18("4","5","4","8","9","4","1") = "8"
    & skf18("4","5","4","8","9","5","1") = "8"
    & skf18("4","5","4","8","9","6","1") = "8"
    & skf18("4","5","4","8","9","7","1") = "8"
    & skf18("4","5","4","8","9","8","1") = "8"
    & skf18("4","5","4","8","9","9","1") = "8"
    & skf18("4","5","4","8","9","10","1") = "9"
    & skf18("4","5","4","8","10","1","1") = "9"
    & skf18("4","5","4","8","10","2","1") = "9"
    & skf18("4","5","4","8","10","3","1") = "9"
    & skf18("4","5","4","8","10","4","1") = "9"
    & skf18("4","5","4","8","10","5","1") = "9"
    & skf18("4","5","4","8","10","6","1") = "9"
    & skf18("4","5","4","8","10","7","1") = "9"
    & skf18("4","5","4","8","10","8","1") = "9"
    & skf18("4","5","4","8","10","9","1") = "9"
    & skf18("4","5","4","8","10","10","1") = "9"
    & skf18("4","5","4","9","1","1","1") = "8"
    & skf18("4","5","4","9","1","2","1") = "8"
    & skf18("4","5","4","9","1","3","1") = "8"
    & skf18("4","5","4","9","1","4","1") = "8"
    & skf18("4","5","4","9","1","5","1") = "8"
    & skf18("4","5","4","9","1","6","1") = "8"
    & skf18("4","5","4","9","1","7","1") = "8"
    & skf18("4","5","4","9","1","8","1") = "8"
    & skf18("4","5","4","9","1","9","1") = "8"
    & skf18("4","5","4","9","1","10","1") = "9"
    & skf18("4","5","4","9","2","1","1") = "8"
    & skf18("4","5","4","9","2","2","1") = "8"
    & skf18("4","5","4","9","2","3","1") = "8"
    & skf18("4","5","4","9","2","4","1") = "8"
    & skf18("4","5","4","9","2","5","1") = "8"
    & skf18("4","5","4","9","2","6","1") = "8"
    & skf18("4","5","4","9","2","7","1") = "8"
    & skf18("4","5","4","9","2","8","1") = "8"
    & skf18("4","5","4","9","2","9","1") = "8"
    & skf18("4","5","4","9","2","10","1") = "9"
    & skf18("4","5","4","9","3","1","1") = "8"
    & skf18("4","5","4","9","3","2","1") = "8"
    & skf18("4","5","4","9","3","3","1") = "8"
    & skf18("4","5","4","9","3","4","1") = "8"
    & skf18("4","5","4","9","3","5","1") = "8"
    & skf18("4","5","4","9","3","6","1") = "8"
    & skf18("4","5","4","9","3","7","1") = "8"
    & skf18("4","5","4","9","3","8","1") = "8"
    & skf18("4","5","4","9","3","9","1") = "8"
    & skf18("4","5","4","9","3","10","1") = "9"
    & skf18("4","5","4","9","4","1","1") = "8"
    & skf18("4","5","4","9","4","2","1") = "8"
    & skf18("4","5","4","9","4","3","1") = "8"
    & skf18("4","5","4","9","4","4","1") = "8"
    & skf18("4","5","4","9","4","5","1") = "8"
    & skf18("4","5","4","9","4","6","1") = "8"
    & skf18("4","5","4","9","4","7","1") = "8"
    & skf18("4","5","4","9","4","8","1") = "8"
    & skf18("4","5","4","9","4","9","1") = "8"
    & skf18("4","5","4","9","4","10","1") = "9"
    & skf18("4","5","4","9","5","1","1") = "8"
    & skf18("4","5","4","9","5","2","1") = "8"
    & skf18("4","5","4","9","5","3","1") = "8"
    & skf18("4","5","4","9","5","4","1") = "8"
    & skf18("4","5","4","9","5","5","1") = "8"
    & skf18("4","5","4","9","5","6","1") = "8"
    & skf18("4","5","4","9","5","7","1") = "8"
    & skf18("4","5","4","9","5","8","1") = "8"
    & skf18("4","5","4","9","5","9","1") = "8"
    & skf18("4","5","4","9","5","10","1") = "9"
    & skf18("4","5","4","9","6","1","1") = "8"
    & skf18("4","5","4","9","6","2","1") = "8"
    & skf18("4","5","4","9","6","3","1") = "8"
    & skf18("4","5","4","9","6","4","1") = "8"
    & skf18("4","5","4","9","6","5","1") = "8"
    & skf18("4","5","4","9","6","6","1") = "8"
    & skf18("4","5","4","9","6","7","1") = "8"
    & skf18("4","5","4","9","6","8","1") = "8"
    & skf18("4","5","4","9","6","9","1") = "8"
    & skf18("4","5","4","9","6","10","1") = "9"
    & skf18("4","5","4","9","7","1","1") = "8"
    & skf18("4","5","4","9","7","2","1") = "8"
    & skf18("4","5","4","9","7","3","1") = "8"
    & skf18("4","5","4","9","7","4","1") = "8"
    & skf18("4","5","4","9","7","5","1") = "8"
    & skf18("4","5","4","9","7","6","1") = "8"
    & skf18("4","5","4","9","7","7","1") = "8"
    & skf18("4","5","4","9","7","8","1") = "8"
    & skf18("4","5","4","9","7","9","1") = "8"
    & skf18("4","5","4","9","7","10","1") = "9"
    & skf18("4","5","4","9","8","1","1") = "8"
    & skf18("4","5","4","9","8","2","1") = "8"
    & skf18("4","5","4","9","8","3","1") = "8"
    & skf18("4","5","4","9","8","4","1") = "8"
    & skf18("4","5","4","9","8","5","1") = "8"
    & skf18("4","5","4","9","8","6","1") = "8"
    & skf18("4","5","4","9","8","7","1") = "8"
    & skf18("4","5","4","9","8","8","1") = "8"
    & skf18("4","5","4","9","8","9","1") = "8"
    & skf18("4","5","4","9","8","10","1") = "9"
    & skf18("4","5","4","9","9","1","1") = "8"
    & skf18("4","5","4","9","9","2","1") = "8"
    & skf18("4","5","4","9","9","3","1") = "8"
    & skf18("4","5","4","9","9","4","1") = "8"
    & skf18("4","5","4","9","9","5","1") = "8"
    & skf18("4","5","4","9","9","6","1") = "8"
    & skf18("4","5","4","9","9","7","1") = "8"
    & skf18("4","5","4","9","9","8","1") = "8"
    & skf18("4","5","4","9","9","9","1") = "8"
    & skf18("4","5","4","9","9","10","1") = "9"
    & skf18("4","5","4","9","10","1","1") = "9"
    & skf18("4","5","4","9","10","2","1") = "9"
    & skf18("4","5","4","9","10","3","1") = "9"
    & skf18("4","5","4","9","10","4","1") = "9"
    & skf18("4","5","4","9","10","5","1") = "9"
    & skf18("4","5","4","9","10","6","1") = "9"
    & skf18("4","5","4","9","10","7","1") = "9"
    & skf18("4","5","4","9","10","8","1") = "9"
    & skf18("4","5","4","9","10","9","1") = "9"
    & skf18("4","5","4","9","10","10","1") = "9"
    & skf18("4","5","4","10","1","1","1") = "9"
    & skf18("4","5","4","10","1","2","1") = "9"
    & skf18("4","5","4","10","1","3","1") = "9"
    & skf18("4","5","4","10","1","4","1") = "9"
    & skf18("4","5","4","10","1","5","1") = "9"
    & skf18("4","5","4","10","1","6","1") = "9"
    & skf18("4","5","4","10","1","7","1") = "9"
    & skf18("4","5","4","10","1","8","1") = "9"
    & skf18("4","5","4","10","1","9","1") = "9"
    & skf18("4","5","4","10","1","10","1") = "9"
    & skf18("4","5","4","10","2","1","1") = "9"
    & skf18("4","5","4","10","2","2","1") = "9"
    & skf18("4","5","4","10","2","3","1") = "9"
    & skf18("4","5","4","10","2","4","1") = "9"
    & skf18("4","5","4","10","2","5","1") = "9"
    & skf18("4","5","4","10","2","6","1") = "9"
    & skf18("4","5","4","10","2","7","1") = "9"
    & skf18("4","5","4","10","2","8","1") = "9"
    & skf18("4","5","4","10","2","9","1") = "9"
    & skf18("4","5","4","10","2","10","1") = "9"
    & skf18("4","5","4","10","3","1","1") = "9"
    & skf18("4","5","4","10","3","2","1") = "9"
    & skf18("4","5","4","10","3","3","1") = "9"
    & skf18("4","5","4","10","3","4","1") = "9"
    & skf18("4","5","4","10","3","5","1") = "9"
    & skf18("4","5","4","10","3","6","1") = "9"
    & skf18("4","5","4","10","3","7","1") = "9"
    & skf18("4","5","4","10","3","8","1") = "9"
    & skf18("4","5","4","10","3","9","1") = "9"
    & skf18("4","5","4","10","3","10","1") = "9"
    & skf18("4","5","4","10","4","1","1") = "9"
    & skf18("4","5","4","10","4","2","1") = "9"
    & skf18("4","5","4","10","4","3","1") = "9"
    & skf18("4","5","4","10","4","4","1") = "9"
    & skf18("4","5","4","10","4","5","1") = "9"
    & skf18("4","5","4","10","4","6","1") = "9"
    & skf18("4","5","4","10","4","7","1") = "9"
    & skf18("4","5","4","10","4","8","1") = "9"
    & skf18("4","5","4","10","4","9","1") = "9"
    & skf18("4","5","4","10","4","10","1") = "9"
    & skf18("4","5","4","10","5","1","1") = "9"
    & skf18("4","5","4","10","5","2","1") = "9"
    & skf18("4","5","4","10","5","3","1") = "9"
    & skf18("4","5","4","10","5","4","1") = "9"
    & skf18("4","5","4","10","5","5","1") = "9"
    & skf18("4","5","4","10","5","6","1") = "9"
    & skf18("4","5","4","10","5","7","1") = "9"
    & skf18("4","5","4","10","5","8","1") = "9"
    & skf18("4","5","4","10","5","9","1") = "9"
    & skf18("4","5","4","10","5","10","1") = "9"
    & skf18("4","5","4","10","6","1","1") = "9"
    & skf18("4","5","4","10","6","2","1") = "9"
    & skf18("4","5","4","10","6","3","1") = "9"
    & skf18("4","5","4","10","6","4","1") = "9"
    & skf18("4","5","4","10","6","5","1") = "9"
    & skf18("4","5","4","10","6","6","1") = "9"
    & skf18("4","5","4","10","6","7","1") = "9"
    & skf18("4","5","4","10","6","8","1") = "9"
    & skf18("4","5","4","10","6","9","1") = "9"
    & skf18("4","5","4","10","6","10","1") = "9"
    & skf18("4","5","4","10","7","1","1") = "9"
    & skf18("4","5","4","10","7","2","1") = "9"
    & skf18("4","5","4","10","7","3","1") = "9"
    & skf18("4","5","4","10","7","4","1") = "9"
    & skf18("4","5","4","10","7","5","1") = "9"
    & skf18("4","5","4","10","7","6","1") = "9"
    & skf18("4","5","4","10","7","7","1") = "9"
    & skf18("4","5","4","10","7","8","1") = "9"
    & skf18("4","5","4","10","7","9","1") = "9"
    & skf18("4","5","4","10","7","10","1") = "9"
    & skf18("4","5","4","10","8","1","1") = "9"
    & skf18("4","5","4","10","8","2","1") = "9"
    & skf18("4","5","4","10","8","3","1") = "9"
    & skf18("4","5","4","10","8","4","1") = "9"
    & skf18("4","5","4","10","8","5","1") = "9"
    & skf18("4","5","4","10","8","6","1") = "9"
    & skf18("4","5","4","10","8","7","1") = "9"
    & skf18("4","5","4","10","8","8","1") = "9"
    & skf18("4","5","4","10","8","9","1") = "9"
    & skf18("4","5","4","10","8","10","1") = "9"
    & skf18("4","5","4","10","9","1","1") = "9"
    & skf18("4","5","4","10","9","2","1") = "9"
    & skf18("4","5","4","10","9","3","1") = "9"
    & skf18("4","5","4","10","9","4","1") = "9"
    & skf18("4","5","4","10","9","5","1") = "9"
    & skf18("4","5","4","10","9","6","1") = "9"
    & skf18("4","5","4","10","9","7","1") = "9"
    & skf18("4","5","4","10","9","8","1") = "9"
    & skf18("4","5","4","10","9","9","1") = "9"
    & skf18("4","5","4","10","9","10","1") = "9"
    & skf18("4","5","4","10","10","1","1") = "9"
    & skf18("4","5","4","10","10","2","1") = "9"
    & skf18("4","5","4","10","10","3","1") = "9"
    & skf18("4","5","4","10","10","4","1") = "9"
    & skf18("4","5","4","10","10","5","1") = "9"
    & skf18("4","5","4","10","10","6","1") = "9"
    & skf18("4","5","4","10","10","7","1") = "9"
    & skf18("4","5","4","10","10","8","1") = "9"
    & skf18("4","5","4","10","10","9","1") = "9"
    & skf18("4","5","4","10","10","10","1") = "9"
    & skf18("4","5","5","1","1","1","1") = "4"
    & skf18("4","5","5","1","1","2","1") = "4"
    & skf18("4","5","5","1","1","3","1") = "4"
    & skf18("4","5","5","1","1","4","1") = "4"
    & skf18("4","5","5","1","1","5","1") = "4"
    & skf18("4","5","5","1","1","6","1") = "5"
    & skf18("4","5","5","1","1","7","1") = "6"
    & skf18("4","5","5","1","1","8","1") = "7"
    & skf18("4","5","5","1","1","9","1") = "8"
    & skf18("4","5","5","1","1","10","1") = "9"
    & skf18("4","5","5","1","2","1","1") = "4"
    & skf18("4","5","5","1","2","2","1") = "4"
    & skf18("4","5","5","1","2","3","1") = "4"
    & skf18("4","5","5","1","2","4","1") = "4"
    & skf18("4","5","5","1","2","5","1") = "4"
    & skf18("4","5","5","1","2","6","1") = "5"
    & skf18("4","5","5","1","2","7","1") = "6"
    & skf18("4","5","5","1","2","8","1") = "7"
    & skf18("4","5","5","1","2","9","1") = "8"
    & skf18("4","5","5","1","2","10","1") = "9"
    & skf18("4","5","5","1","3","1","1") = "4"
    & skf18("4","5","5","1","3","2","1") = "4"
    & skf18("4","5","5","1","3","3","1") = "4"
    & skf18("4","5","5","1","3","4","1") = "4"
    & skf18("4","5","5","1","3","5","1") = "4"
    & skf18("4","5","5","1","3","6","1") = "5"
    & skf18("4","5","5","1","3","7","1") = "6"
    & skf18("4","5","5","1","3","8","1") = "7"
    & skf18("4","5","5","1","3","9","1") = "8"
    & skf18("4","5","5","1","3","10","1") = "9"
    & skf18("4","5","5","1","4","1","1") = "4"
    & skf18("4","5","5","1","4","2","1") = "4"
    & skf18("4","5","5","1","4","3","1") = "4"
    & skf18("4","5","5","1","4","4","1") = "4"
    & skf18("4","5","5","1","4","5","1") = "4"
    & skf18("4","5","5","1","4","6","1") = "5"
    & skf18("4","5","5","1","4","7","1") = "6"
    & skf18("4","5","5","1","4","8","1") = "7"
    & skf18("4","5","5","1","4","9","1") = "8"
    & skf18("4","5","5","1","4","10","1") = "9"
    & skf18("4","5","5","1","5","1","1") = "4"
    & skf18("4","5","5","1","5","2","1") = "4"
    & skf18("4","5","5","1","5","3","1") = "4"
    & skf18("4","5","5","1","5","4","1") = "4"
    & skf18("4","5","5","1","5","5","1") = "4"
    & skf18("4","5","5","1","5","6","1") = "5"
    & skf18("4","5","5","1","5","7","1") = "6"
    & skf18("4","5","5","1","5","8","1") = "7"
    & skf18("4","5","5","1","5","9","1") = "8"
    & skf18("4","5","5","1","5","10","1") = "9"
    & skf18("4","5","5","1","6","1","1") = "5"
    & skf18("4","5","5","1","6","2","1") = "5"
    & skf18("4","5","5","1","6","3","1") = "5"
    & skf18("4","5","5","1","6","4","1") = "5"
    & skf18("4","5","5","1","6","5","1") = "5"
    & skf18("4","5","5","1","6","6","1") = "5"
    & skf18("4","5","5","1","6","7","1") = "6"
    & skf18("4","5","5","1","6","8","1") = "7"
    & skf18("4","5","5","1","6","9","1") = "8"
    & skf18("4","5","5","1","6","10","1") = "9"
    & skf18("4","5","5","1","7","1","1") = "6"
    & skf18("4","5","5","1","7","2","1") = "6"
    & skf18("4","5","5","1","7","3","1") = "6"
    & skf18("4","5","5","1","7","4","1") = "6"
    & skf18("4","5","5","1","7","5","1") = "6"
    & skf18("4","5","5","1","7","6","1") = "6"
    & skf18("4","5","5","1","7","7","1") = "6"
    & skf18("4","5","5","1","7","8","1") = "7"
    & skf18("4","5","5","1","7","9","1") = "8"
    & skf18("4","5","5","1","7","10","1") = "9"
    & skf18("4","5","5","1","8","1","1") = "7"
    & skf18("4","5","5","1","8","2","1") = "7"
    & skf18("4","5","5","1","8","3","1") = "7"
    & skf18("4","5","5","1","8","4","1") = "7"
    & skf18("4","5","5","1","8","5","1") = "7"
    & skf18("4","5","5","1","8","6","1") = "7"
    & skf18("4","5","5","1","8","7","1") = "7"
    & skf18("4","5","5","1","8","8","1") = "7"
    & skf18("4","5","5","1","8","9","1") = "8"
    & skf18("4","5","5","1","8","10","1") = "9"
    & skf18("4","5","5","1","9","1","1") = "8"
    & skf18("4","5","5","1","9","2","1") = "8"
    & skf18("4","5","5","1","9","3","1") = "8"
    & skf18("4","5","5","1","9","4","1") = "8"
    & skf18("4","5","5","1","9","5","1") = "8"
    & skf18("4","5","5","1","9","6","1") = "8"
    & skf18("4","5","5","1","9","7","1") = "8"
    & skf18("4","5","5","1","9","8","1") = "8"
    & skf18("4","5","5","1","9","9","1") = "8"
    & skf18("4","5","5","1","9","10","1") = "9"
    & skf18("4","5","5","1","10","1","1") = "9"
    & skf18("4","5","5","1","10","2","1") = "9"
    & skf18("4","5","5","1","10","3","1") = "9"
    & skf18("4","5","5","1","10","4","1") = "9"
    & skf18("4","5","5","1","10","5","1") = "9"
    & skf18("4","5","5","1","10","6","1") = "9"
    & skf18("4","5","5","1","10","7","1") = "9"
    & skf18("4","5","5","1","10","8","1") = "9"
    & skf18("4","5","5","1","10","9","1") = "9"
    & skf18("4","5","5","1","10","10","1") = "9"
    & skf18("4","5","5","2","1","1","1") = "4"
    & skf18("4","5","5","2","1","2","1") = "4"
    & skf18("4","5","5","2","1","3","1") = "4"
    & skf18("4","5","5","2","1","4","1") = "4"
    & skf18("4","5","5","2","1","5","1") = "4"
    & skf18("4","5","5","2","1","6","1") = "5"
    & skf18("4","5","5","2","1","7","1") = "6"
    & skf18("4","5","5","2","1","8","1") = "7"
    & skf18("4","5","5","2","1","9","1") = "8"
    & skf18("4","5","5","2","1","10","1") = "9"
    & skf18("4","5","5","2","2","1","1") = "4"
    & skf18("4","5","5","2","2","2","1") = "4"
    & skf18("4","5","5","2","2","3","1") = "4"
    & skf18("4","5","5","2","2","4","1") = "4"
    & skf18("4","5","5","2","2","5","1") = "4"
    & skf18("4","5","5","2","2","6","1") = "5"
    & skf18("4","5","5","2","2","7","1") = "6"
    & skf18("4","5","5","2","2","8","1") = "7"
    & skf18("4","5","5","2","2","9","1") = "8"
    & skf18("4","5","5","2","2","10","1") = "9"
    & skf18("4","5","5","2","3","1","1") = "4"
    & skf18("4","5","5","2","3","2","1") = "4"
    & skf18("4","5","5","2","3","3","1") = "4"
    & skf18("4","5","5","2","3","4","1") = "4"
    & skf18("4","5","5","2","3","5","1") = "4"
    & skf18("4","5","5","2","3","6","1") = "5"
    & skf18("4","5","5","2","3","7","1") = "6"
    & skf18("4","5","5","2","3","8","1") = "7"
    & skf18("4","5","5","2","3","9","1") = "8"
    & skf18("4","5","5","2","3","10","1") = "9"
    & skf18("4","5","5","2","4","1","1") = "4"
    & skf18("4","5","5","2","4","2","1") = "4"
    & skf18("4","5","5","2","4","3","1") = "4"
    & skf18("4","5","5","2","4","4","1") = "4"
    & skf18("4","5","5","2","4","5","1") = "4"
    & skf18("4","5","5","2","4","6","1") = "5"
    & skf18("4","5","5","2","4","7","1") = "6"
    & skf18("4","5","5","2","4","8","1") = "7"
    & skf18("4","5","5","2","4","9","1") = "8"
    & skf18("4","5","5","2","4","10","1") = "9"
    & skf18("4","5","5","2","5","1","1") = "4"
    & skf18("4","5","5","2","5","2","1") = "4"
    & skf18("4","5","5","2","5","3","1") = "4"
    & skf18("4","5","5","2","5","4","1") = "4"
    & skf18("4","5","5","2","5","5","1") = "4"
    & skf18("4","5","5","2","5","6","1") = "5"
    & skf18("4","5","5","2","5","7","1") = "6"
    & skf18("4","5","5","2","5","8","1") = "7"
    & skf18("4","5","5","2","5","9","1") = "8"
    & skf18("4","5","5","2","5","10","1") = "9"
    & skf18("4","5","5","2","6","1","1") = "5"
    & skf18("4","5","5","2","6","2","1") = "5"
    & skf18("4","5","5","2","6","3","1") = "5"
    & skf18("4","5","5","2","6","4","1") = "5"
    & skf18("4","5","5","2","6","5","1") = "5"
    & skf18("4","5","5","2","6","6","1") = "5"
    & skf18("4","5","5","2","6","7","1") = "6"
    & skf18("4","5","5","2","6","8","1") = "7"
    & skf18("4","5","5","2","6","9","1") = "8"
    & skf18("4","5","5","2","6","10","1") = "9"
    & skf18("4","5","5","2","7","1","1") = "6"
    & skf18("4","5","5","2","7","2","1") = "6"
    & skf18("4","5","5","2","7","3","1") = "6"
    & skf18("4","5","5","2","7","4","1") = "6"
    & skf18("4","5","5","2","7","5","1") = "6"
    & skf18("4","5","5","2","7","6","1") = "6"
    & skf18("4","5","5","2","7","7","1") = "6"
    & skf18("4","5","5","2","7","8","1") = "7"
    & skf18("4","5","5","2","7","9","1") = "8"
    & skf18("4","5","5","2","7","10","1") = "9"
    & skf18("4","5","5","2","8","1","1") = "7"
    & skf18("4","5","5","2","8","2","1") = "7"
    & skf18("4","5","5","2","8","3","1") = "7"
    & skf18("4","5","5","2","8","4","1") = "7"
    & skf18("4","5","5","2","8","5","1") = "7"
    & skf18("4","5","5","2","8","6","1") = "7"
    & skf18("4","5","5","2","8","7","1") = "7"
    & skf18("4","5","5","2","8","8","1") = "7"
    & skf18("4","5","5","2","8","9","1") = "8"
    & skf18("4","5","5","2","8","10","1") = "9"
    & skf18("4","5","5","2","9","1","1") = "8"
    & skf18("4","5","5","2","9","2","1") = "8"
    & skf18("4","5","5","2","9","3","1") = "8"
    & skf18("4","5","5","2","9","4","1") = "8"
    & skf18("4","5","5","2","9","5","1") = "8"
    & skf18("4","5","5","2","9","6","1") = "8"
    & skf18("4","5","5","2","9","7","1") = "8"
    & skf18("4","5","5","2","9","8","1") = "8"
    & skf18("4","5","5","2","9","9","1") = "8"
    & skf18("4","5","5","2","9","10","1") = "9"
    & skf18("4","5","5","2","10","1","1") = "9"
    & skf18("4","5","5","2","10","2","1") = "9"
    & skf18("4","5","5","2","10","3","1") = "9"
    & skf18("4","5","5","2","10","4","1") = "9"
    & skf18("4","5","5","2","10","5","1") = "9"
    & skf18("4","5","5","2","10","6","1") = "9"
    & skf18("4","5","5","2","10","7","1") = "9"
    & skf18("4","5","5","2","10","8","1") = "9"
    & skf18("4","5","5","2","10","9","1") = "9"
    & skf18("4","5","5","2","10","10","1") = "9"
    & skf18("4","5","5","3","1","1","1") = "4"
    & skf18("4","5","5","3","1","2","1") = "4"
    & skf18("4","5","5","3","1","3","1") = "4"
    & skf18("4","5","5","3","1","4","1") = "4"
    & skf18("4","5","5","3","1","5","1") = "4"
    & skf18("4","5","5","3","1","6","1") = "5"
    & skf18("4","5","5","3","1","7","1") = "6"
    & skf18("4","5","5","3","1","8","1") = "7"
    & skf18("4","5","5","3","1","9","1") = "8"
    & skf18("4","5","5","3","1","10","1") = "9"
    & skf18("4","5","5","3","2","1","1") = "4"
    & skf18("4","5","5","3","2","2","1") = "4"
    & skf18("4","5","5","3","2","3","1") = "4"
    & skf18("4","5","5","3","2","4","1") = "4"
    & skf18("4","5","5","3","2","5","1") = "4"
    & skf18("4","5","5","3","2","6","1") = "5"
    & skf18("4","5","5","3","2","7","1") = "6"
    & skf18("4","5","5","3","2","8","1") = "7"
    & skf18("4","5","5","3","2","9","1") = "8"
    & skf18("4","5","5","3","2","10","1") = "9"
    & skf18("4","5","5","3","3","1","1") = "4"
    & skf18("4","5","5","3","3","2","1") = "4"
    & skf18("4","5","5","3","3","3","1") = "4"
    & skf18("4","5","5","3","3","4","1") = "4"
    & skf18("4","5","5","3","3","5","1") = "4"
    & skf18("4","5","5","3","3","6","1") = "5"
    & skf18("4","5","5","3","3","7","1") = "6"
    & skf18("4","5","5","3","3","8","1") = "7"
    & skf18("4","5","5","3","3","9","1") = "8"
    & skf18("4","5","5","3","3","10","1") = "9"
    & skf18("4","5","5","3","4","1","1") = "4"
    & skf18("4","5","5","3","4","2","1") = "4"
    & skf18("4","5","5","3","4","3","1") = "4"
    & skf18("4","5","5","3","4","4","1") = "4"
    & skf18("4","5","5","3","4","5","1") = "4"
    & skf18("4","5","5","3","4","6","1") = "5"
    & skf18("4","5","5","3","4","7","1") = "6"
    & skf18("4","5","5","3","4","8","1") = "7"
    & skf18("4","5","5","3","4","9","1") = "8"
    & skf18("4","5","5","3","4","10","1") = "9"
    & skf18("4","5","5","3","5","1","1") = "4"
    & skf18("4","5","5","3","5","2","1") = "4"
    & skf18("4","5","5","3","5","3","1") = "4"
    & skf18("4","5","5","3","5","4","1") = "4"
    & skf18("4","5","5","3","5","5","1") = "4"
    & skf18("4","5","5","3","5","6","1") = "5"
    & skf18("4","5","5","3","5","7","1") = "6"
    & skf18("4","5","5","3","5","8","1") = "7"
    & skf18("4","5","5","3","5","9","1") = "8"
    & skf18("4","5","5","3","5","10","1") = "9"
    & skf18("4","5","5","3","6","1","1") = "5"
    & skf18("4","5","5","3","6","2","1") = "5"
    & skf18("4","5","5","3","6","3","1") = "5"
    & skf18("4","5","5","3","6","4","1") = "5"
    & skf18("4","5","5","3","6","5","1") = "5"
    & skf18("4","5","5","3","6","6","1") = "5"
    & skf18("4","5","5","3","6","7","1") = "6"
    & skf18("4","5","5","3","6","8","1") = "7"
    & skf18("4","5","5","3","6","9","1") = "8"
    & skf18("4","5","5","3","6","10","1") = "9"
    & skf18("4","5","5","3","7","1","1") = "6"
    & skf18("4","5","5","3","7","2","1") = "6"
    & skf18("4","5","5","3","7","3","1") = "6"
    & skf18("4","5","5","3","7","4","1") = "6"
    & skf18("4","5","5","3","7","5","1") = "6"
    & skf18("4","5","5","3","7","6","1") = "6"
    & skf18("4","5","5","3","7","7","1") = "6"
    & skf18("4","5","5","3","7","8","1") = "7"
    & skf18("4","5","5","3","7","9","1") = "8"
    & skf18("4","5","5","3","7","10","1") = "9"
    & skf18("4","5","5","3","8","1","1") = "7"
    & skf18("4","5","5","3","8","2","1") = "7"
    & skf18("4","5","5","3","8","3","1") = "7"
    & skf18("4","5","5","3","8","4","1") = "7"
    & skf18("4","5","5","3","8","5","1") = "7"
    & skf18("4","5","5","3","8","6","1") = "7"
    & skf18("4","5","5","3","8","7","1") = "7"
    & skf18("4","5","5","3","8","8","1") = "7"
    & skf18("4","5","5","3","8","9","1") = "8"
    & skf18("4","5","5","3","8","10","1") = "9"
    & skf18("4","5","5","3","9","1","1") = "8"
    & skf18("4","5","5","3","9","2","1") = "8"
    & skf18("4","5","5","3","9","3","1") = "8"
    & skf18("4","5","5","3","9","4","1") = "8"
    & skf18("4","5","5","3","9","5","1") = "8"
    & skf18("4","5","5","3","9","6","1") = "8"
    & skf18("4","5","5","3","9","7","1") = "8"
    & skf18("4","5","5","3","9","8","1") = "8"
    & skf18("4","5","5","3","9","9","1") = "8"
    & skf18("4","5","5","3","9","10","1") = "9"
    & skf18("4","5","5","3","10","1","1") = "9"
    & skf18("4","5","5","3","10","2","1") = "9"
    & skf18("4","5","5","3","10","3","1") = "9"
    & skf18("4","5","5","3","10","4","1") = "9"
    & skf18("4","5","5","3","10","5","1") = "9"
    & skf18("4","5","5","3","10","6","1") = "9"
    & skf18("4","5","5","3","10","7","1") = "9"
    & skf18("4","5","5","3","10","8","1") = "9"
    & skf18("4","5","5","3","10","9","1") = "9"
    & skf18("4","5","5","3","10","10","1") = "9"
    & skf18("4","5","5","4","1","1","1") = "4"
    & skf18("4","5","5","4","1","2","1") = "4"
    & skf18("4","5","5","4","1","3","1") = "4"
    & skf18("4","5","5","4","1","4","1") = "4"
    & skf18("4","5","5","4","1","5","1") = "4"
    & skf18("4","5","5","4","1","6","1") = "5"
    & skf18("4","5","5","4","1","7","1") = "6"
    & skf18("4","5","5","4","1","8","1") = "7"
    & skf18("4","5","5","4","1","9","1") = "8"
    & skf18("4","5","5","4","1","10","1") = "9"
    & skf18("4","5","5","4","2","1","1") = "4"
    & skf18("4","5","5","4","2","2","1") = "4"
    & skf18("4","5","5","4","2","3","1") = "4"
    & skf18("4","5","5","4","2","4","1") = "4"
    & skf18("4","5","5","4","2","5","1") = "4"
    & skf18("4","5","5","4","2","6","1") = "5"
    & skf18("4","5","5","4","2","7","1") = "6"
    & skf18("4","5","5","4","2","8","1") = "7"
    & skf18("4","5","5","4","2","9","1") = "8"
    & skf18("4","5","5","4","2","10","1") = "9"
    & skf18("4","5","5","4","3","1","1") = "4"
    & skf18("4","5","5","4","3","2","1") = "4"
    & skf18("4","5","5","4","3","3","1") = "4"
    & skf18("4","5","5","4","3","4","1") = "4"
    & skf18("4","5","5","4","3","5","1") = "4"
    & skf18("4","5","5","4","3","6","1") = "5"
    & skf18("4","5","5","4","3","7","1") = "6"
    & skf18("4","5","5","4","3","8","1") = "7"
    & skf18("4","5","5","4","3","9","1") = "8"
    & skf18("4","5","5","4","3","10","1") = "9"
    & skf18("4","5","5","4","4","1","1") = "4"
    & skf18("4","5","5","4","4","2","1") = "4"
    & skf18("4","5","5","4","4","3","1") = "4"
    & skf18("4","5","5","4","4","4","1") = "4"
    & skf18("4","5","5","4","4","5","1") = "4"
    & skf18("4","5","5","4","4","6","1") = "5"
    & skf18("4","5","5","4","4","7","1") = "6"
    & skf18("4","5","5","4","4","8","1") = "7"
    & skf18("4","5","5","4","4","9","1") = "8"
    & skf18("4","5","5","4","4","10","1") = "9"
    & skf18("4","5","5","4","5","1","1") = "4"
    & skf18("4","5","5","4","5","2","1") = "4"
    & skf18("4","5","5","4","5","3","1") = "4"
    & skf18("4","5","5","4","5","4","1") = "4"
    & skf18("4","5","5","4","5","5","1") = "4"
    & skf18("4","5","5","4","5","6","1") = "5"
    & skf18("4","5","5","4","5","7","1") = "6"
    & skf18("4","5","5","4","5","8","1") = "7"
    & skf18("4","5","5","4","5","9","1") = "8"
    & skf18("4","5","5","4","5","10","1") = "9"
    & skf18("4","5","5","4","6","1","1") = "5"
    & skf18("4","5","5","4","6","2","1") = "5"
    & skf18("4","5","5","4","6","3","1") = "5"
    & skf18("4","5","5","4","6","4","1") = "5"
    & skf18("4","5","5","4","6","5","1") = "5"
    & skf18("4","5","5","4","6","6","1") = "5"
    & skf18("4","5","5","4","6","7","1") = "6"
    & skf18("4","5","5","4","6","8","1") = "7"
    & skf18("4","5","5","4","6","9","1") = "8"
    & skf18("4","5","5","4","6","10","1") = "9"
    & skf18("4","5","5","4","7","1","1") = "6"
    & skf18("4","5","5","4","7","2","1") = "6"
    & skf18("4","5","5","4","7","3","1") = "6"
    & skf18("4","5","5","4","7","4","1") = "6"
    & skf18("4","5","5","4","7","5","1") = "6"
    & skf18("4","5","5","4","7","6","1") = "6"
    & skf18("4","5","5","4","7","7","1") = "6"
    & skf18("4","5","5","4","7","8","1") = "7"
    & skf18("4","5","5","4","7","9","1") = "8"
    & skf18("4","5","5","4","7","10","1") = "9"
    & skf18("4","5","5","4","8","1","1") = "7"
    & skf18("4","5","5","4","8","2","1") = "7"
    & skf18("4","5","5","4","8","3","1") = "7"
    & skf18("4","5","5","4","8","4","1") = "7"
    & skf18("4","5","5","4","8","5","1") = "7"
    & skf18("4","5","5","4","8","6","1") = "7"
    & skf18("4","5","5","4","8","7","1") = "7"
    & skf18("4","5","5","4","8","8","1") = "7"
    & skf18("4","5","5","4","8","9","1") = "8"
    & skf18("4","5","5","4","8","10","1") = "9"
    & skf18("4","5","5","4","9","1","1") = "8"
    & skf18("4","5","5","4","9","2","1") = "8"
    & skf18("4","5","5","4","9","3","1") = "8"
    & skf18("4","5","5","4","9","4","1") = "8"
    & skf18("4","5","5","4","9","5","1") = "8"
    & skf18("4","5","5","4","9","6","1") = "8"
    & skf18("4","5","5","4","9","7","1") = "8"
    & skf18("4","5","5","4","9","8","1") = "8"
    & skf18("4","5","5","4","9","9","1") = "8"
    & skf18("4","5","5","4","9","10","1") = "9"
    & skf18("4","5","5","4","10","1","1") = "9"
    & skf18("4","5","5","4","10","2","1") = "9"
    & skf18("4","5","5","4","10","3","1") = "9"
    & skf18("4","5","5","4","10","4","1") = "9"
    & skf18("4","5","5","4","10","5","1") = "9"
    & skf18("4","5","5","4","10","6","1") = "9"
    & skf18("4","5","5","4","10","7","1") = "9"
    & skf18("4","5","5","4","10","8","1") = "9"
    & skf18("4","5","5","4","10","9","1") = "9"
    & skf18("4","5","5","4","10","10","1") = "9"
    & skf18("4","5","5","5","1","1","1") = "4"
    & skf18("4","5","5","5","1","2","1") = "4"
    & skf18("4","5","5","5","1","3","1") = "4"
    & skf18("4","5","5","5","1","4","1") = "4"
    & skf18("4","5","5","5","1","5","1") = "4"
    & skf18("4","5","5","5","1","6","1") = "5"
    & skf18("4","5","5","5","1","7","1") = "6"
    & skf18("4","5","5","5","1","8","1") = "7"
    & skf18("4","5","5","5","1","9","1") = "8"
    & skf18("4","5","5","5","1","10","1") = "9"
    & skf18("4","5","5","5","2","1","1") = "4"
    & skf18("4","5","5","5","2","2","1") = "4"
    & skf18("4","5","5","5","2","3","1") = "4"
    & skf18("4","5","5","5","2","4","1") = "4"
    & skf18("4","5","5","5","2","5","1") = "4"
    & skf18("4","5","5","5","2","6","1") = "5"
    & skf18("4","5","5","5","2","7","1") = "6"
    & skf18("4","5","5","5","2","8","1") = "7"
    & skf18("4","5","5","5","2","9","1") = "8"
    & skf18("4","5","5","5","2","10","1") = "9"
    & skf18("4","5","5","5","3","1","1") = "4"
    & skf18("4","5","5","5","3","2","1") = "4"
    & skf18("4","5","5","5","3","3","1") = "4"
    & skf18("4","5","5","5","3","4","1") = "4"
    & skf18("4","5","5","5","3","5","1") = "4"
    & skf18("4","5","5","5","3","6","1") = "5"
    & skf18("4","5","5","5","3","7","1") = "6"
    & skf18("4","5","5","5","3","8","1") = "7"
    & skf18("4","5","5","5","3","9","1") = "8"
    & skf18("4","5","5","5","3","10","1") = "9"
    & skf18("4","5","5","5","4","1","1") = "4"
    & skf18("4","5","5","5","4","2","1") = "4"
    & skf18("4","5","5","5","4","3","1") = "4"
    & skf18("4","5","5","5","4","4","1") = "4"
    & skf18("4","5","5","5","4","5","1") = "4"
    & skf18("4","5","5","5","4","6","1") = "5"
    & skf18("4","5","5","5","4","7","1") = "6"
    & skf18("4","5","5","5","4","8","1") = "7"
    & skf18("4","5","5","5","4","9","1") = "8"
    & skf18("4","5","5","5","4","10","1") = "9"
    & skf18("4","5","5","5","5","1","1") = "4"
    & skf18("4","5","5","5","5","2","1") = "4"
    & skf18("4","5","5","5","5","3","1") = "4"
    & skf18("4","5","5","5","5","4","1") = "4"
    & skf18("4","5","5","5","5","5","1") = "4"
    & skf18("4","5","5","5","5","6","1") = "5"
    & skf18("4","5","5","5","5","7","1") = "6"
    & skf18("4","5","5","5","5","8","1") = "7"
    & skf18("4","5","5","5","5","9","1") = "8"
    & skf18("4","5","5","5","5","10","1") = "9"
    & skf18("4","5","5","5","6","1","1") = "5"
    & skf18("4","5","5","5","6","2","1") = "5"
    & skf18("4","5","5","5","6","3","1") = "5"
    & skf18("4","5","5","5","6","4","1") = "5"
    & skf18("4","5","5","5","6","5","1") = "5"
    & skf18("4","5","5","5","6","6","1") = "5"
    & skf18("4","5","5","5","6","7","1") = "6"
    & skf18("4","5","5","5","6","8","1") = "7"
    & skf18("4","5","5","5","6","9","1") = "8"
    & skf18("4","5","5","5","6","10","1") = "9"
    & skf18("4","5","5","5","7","1","1") = "6"
    & skf18("4","5","5","5","7","2","1") = "6"
    & skf18("4","5","5","5","7","3","1") = "6"
    & skf18("4","5","5","5","7","4","1") = "6"
    & skf18("4","5","5","5","7","5","1") = "6"
    & skf18("4","5","5","5","7","6","1") = "6"
    & skf18("4","5","5","5","7","7","1") = "6"
    & skf18("4","5","5","5","7","8","1") = "7"
    & skf18("4","5","5","5","7","9","1") = "8"
    & skf18("4","5","5","5","7","10","1") = "9"
    & skf18("4","5","5","5","8","1","1") = "7"
    & skf18("4","5","5","5","8","2","1") = "7"
    & skf18("4","5","5","5","8","3","1") = "7"
    & skf18("4","5","5","5","8","4","1") = "7"
    & skf18("4","5","5","5","8","5","1") = "7"
    & skf18("4","5","5","5","8","6","1") = "7"
    & skf18("4","5","5","5","8","7","1") = "7"
    & skf18("4","5","5","5","8","8","1") = "7"
    & skf18("4","5","5","5","8","9","1") = "8"
    & skf18("4","5","5","5","8","10","1") = "9"
    & skf18("4","5","5","5","9","1","1") = "8"
    & skf18("4","5","5","5","9","2","1") = "8"
    & skf18("4","5","5","5","9","3","1") = "8"
    & skf18("4","5","5","5","9","4","1") = "8"
    & skf18("4","5","5","5","9","5","1") = "8"
    & skf18("4","5","5","5","9","6","1") = "8"
    & skf18("4","5","5","5","9","7","1") = "8"
    & skf18("4","5","5","5","9","8","1") = "8"
    & skf18("4","5","5","5","9","9","1") = "8"
    & skf18("4","5","5","5","9","10","1") = "9"
    & skf18("4","5","5","5","10","1","1") = "9"
    & skf18("4","5","5","5","10","2","1") = "9"
    & skf18("4","5","5","5","10","3","1") = "9"
    & skf18("4","5","5","5","10","4","1") = "9"
    & skf18("4","5","5","5","10","5","1") = "9"
    & skf18("4","5","5","5","10","6","1") = "9"
    & skf18("4","5","5","5","10","7","1") = "9"
    & skf18("4","5","5","5","10","8","1") = "9"
    & skf18("4","5","5","5","10","9","1") = "9"
    & skf18("4","5","5","5","10","10","1") = "9"
    & skf18("4","5","5","6","1","1","1") = "5"
    & skf18("4","5","5","6","1","2","1") = "5"
    & skf18("4","5","5","6","1","3","1") = "5"
    & skf18("4","5","5","6","1","4","1") = "5"
    & skf18("4","5","5","6","1","5","1") = "5"
    & skf18("4","5","5","6","1","6","1") = "5"
    & skf18("4","5","5","6","1","7","1") = "6"
    & skf18("4","5","5","6","1","8","1") = "7"
    & skf18("4","5","5","6","1","9","1") = "8"
    & skf18("4","5","5","6","1","10","1") = "9"
    & skf18("4","5","5","6","2","1","1") = "5"
    & skf18("4","5","5","6","2","2","1") = "5"
    & skf18("4","5","5","6","2","3","1") = "5"
    & skf18("4","5","5","6","2","4","1") = "5"
    & skf18("4","5","5","6","2","5","1") = "5"
    & skf18("4","5","5","6","2","6","1") = "5"
    & skf18("4","5","5","6","2","7","1") = "6"
    & skf18("4","5","5","6","2","8","1") = "7"
    & skf18("4","5","5","6","2","9","1") = "8"
    & skf18("4","5","5","6","2","10","1") = "9"
    & skf18("4","5","5","6","3","1","1") = "5"
    & skf18("4","5","5","6","3","2","1") = "5"
    & skf18("4","5","5","6","3","3","1") = "5"
    & skf18("4","5","5","6","3","4","1") = "5"
    & skf18("4","5","5","6","3","5","1") = "5"
    & skf18("4","5","5","6","3","6","1") = "5"
    & skf18("4","5","5","6","3","7","1") = "6"
    & skf18("4","5","5","6","3","8","1") = "7"
    & skf18("4","5","5","6","3","9","1") = "8"
    & skf18("4","5","5","6","3","10","1") = "9"
    & skf18("4","5","5","6","4","1","1") = "5"
    & skf18("4","5","5","6","4","2","1") = "5"
    & skf18("4","5","5","6","4","3","1") = "5"
    & skf18("4","5","5","6","4","4","1") = "5"
    & skf18("4","5","5","6","4","5","1") = "5"
    & skf18("4","5","5","6","4","6","1") = "5"
    & skf18("4","5","5","6","4","7","1") = "6"
    & skf18("4","5","5","6","4","8","1") = "7"
    & skf18("4","5","5","6","4","9","1") = "8"
    & skf18("4","5","5","6","4","10","1") = "9"
    & skf18("4","5","5","6","5","1","1") = "5"
    & skf18("4","5","5","6","5","2","1") = "5"
    & skf18("4","5","5","6","5","3","1") = "5"
    & skf18("4","5","5","6","5","4","1") = "5"
    & skf18("4","5","5","6","5","5","1") = "5"
    & skf18("4","5","5","6","5","6","1") = "5"
    & skf18("4","5","5","6","5","7","1") = "6"
    & skf18("4","5","5","6","5","8","1") = "7"
    & skf18("4","5","5","6","5","9","1") = "8"
    & skf18("4","5","5","6","5","10","1") = "9"
    & skf18("4","5","5","6","6","1","1") = "5"
    & skf18("4","5","5","6","6","2","1") = "5"
    & skf18("4","5","5","6","6","3","1") = "5"
    & skf18("4","5","5","6","6","4","1") = "5"
    & skf18("4","5","5","6","6","5","1") = "5"
    & skf18("4","5","5","6","6","6","1") = "5"
    & skf18("4","5","5","6","6","7","1") = "6"
    & skf18("4","5","5","6","6","8","1") = "7"
    & skf18("4","5","5","6","6","9","1") = "8"
    & skf18("4","5","5","6","6","10","1") = "9"
    & skf18("4","5","5","6","7","1","1") = "6"
    & skf18("4","5","5","6","7","2","1") = "6"
    & skf18("4","5","5","6","7","3","1") = "6"
    & skf18("4","5","5","6","7","4","1") = "6"
    & skf18("4","5","5","6","7","5","1") = "6"
    & skf18("4","5","5","6","7","6","1") = "6"
    & skf18("4","5","5","6","7","7","1") = "6"
    & skf18("4","5","5","6","7","8","1") = "7"
    & skf18("4","5","5","6","7","9","1") = "8"
    & skf18("4","5","5","6","7","10","1") = "9"
    & skf18("4","5","5","6","8","1","1") = "7"
    & skf18("4","5","5","6","8","2","1") = "7"
    & skf18("4","5","5","6","8","3","1") = "7"
    & skf18("4","5","5","6","8","4","1") = "7"
    & skf18("4","5","5","6","8","5","1") = "7"
    & skf18("4","5","5","6","8","6","1") = "7"
    & skf18("4","5","5","6","8","7","1") = "7"
    & skf18("4","5","5","6","8","8","1") = "7"
    & skf18("4","5","5","6","8","9","1") = "8"
    & skf18("4","5","5","6","8","10","1") = "9"
    & skf18("4","5","5","6","9","1","1") = "8"
    & skf18("4","5","5","6","9","2","1") = "8"
    & skf18("4","5","5","6","9","3","1") = "8"
    & skf18("4","5","5","6","9","4","1") = "8"
    & skf18("4","5","5","6","9","5","1") = "8"
    & skf18("4","5","5","6","9","6","1") = "8"
    & skf18("4","5","5","6","9","7","1") = "8"
    & skf18("4","5","5","6","9","8","1") = "8"
    & skf18("4","5","5","6","9","9","1") = "8"
    & skf18("4","5","5","6","9","10","1") = "9"
    & skf18("4","5","5","6","10","1","1") = "9"
    & skf18("4","5","5","6","10","2","1") = "9"
    & skf18("4","5","5","6","10","3","1") = "9"
    & skf18("4","5","5","6","10","4","1") = "9"
    & skf18("4","5","5","6","10","5","1") = "9"
    & skf18("4","5","5","6","10","6","1") = "9"
    & skf18("4","5","5","6","10","7","1") = "9"
    & skf18("4","5","5","6","10","8","1") = "9"
    & skf18("4","5","5","6","10","9","1") = "9"
    & skf18("4","5","5","6","10","10","1") = "9"
    & skf18("4","5","5","7","1","1","1") = "6"
    & skf18("4","5","5","7","1","2","1") = "6"
    & skf18("4","5","5","7","1","3","1") = "6"
    & skf18("4","5","5","7","1","4","1") = "6"
    & skf18("4","5","5","7","1","5","1") = "6"
    & skf18("4","5","5","7","1","6","1") = "6"
    & skf18("4","5","5","7","1","7","1") = "6"
    & skf18("4","5","5","7","1","8","1") = "7"
    & skf18("4","5","5","7","1","9","1") = "8"
    & skf18("4","5","5","7","1","10","1") = "9"
    & skf18("4","5","5","7","2","1","1") = "6"
    & skf18("4","5","5","7","2","2","1") = "6"
    & skf18("4","5","5","7","2","3","1") = "6"
    & skf18("4","5","5","7","2","4","1") = "6"
    & skf18("4","5","5","7","2","5","1") = "6"
    & skf18("4","5","5","7","2","6","1") = "6"
    & skf18("4","5","5","7","2","7","1") = "6"
    & skf18("4","5","5","7","2","8","1") = "7"
    & skf18("4","5","5","7","2","9","1") = "8"
    & skf18("4","5","5","7","2","10","1") = "9"
    & skf18("4","5","5","7","3","1","1") = "6"
    & skf18("4","5","5","7","3","2","1") = "6"
    & skf18("4","5","5","7","3","3","1") = "6"
    & skf18("4","5","5","7","3","4","1") = "6"
    & skf18("4","5","5","7","3","5","1") = "6"
    & skf18("4","5","5","7","3","6","1") = "6"
    & skf18("4","5","5","7","3","7","1") = "6"
    & skf18("4","5","5","7","3","8","1") = "7"
    & skf18("4","5","5","7","3","9","1") = "8"
    & skf18("4","5","5","7","3","10","1") = "9"
    & skf18("4","5","5","7","4","1","1") = "6"
    & skf18("4","5","5","7","4","2","1") = "6"
    & skf18("4","5","5","7","4","3","1") = "6"
    & skf18("4","5","5","7","4","4","1") = "6"
    & skf18("4","5","5","7","4","5","1") = "6"
    & skf18("4","5","5","7","4","6","1") = "6"
    & skf18("4","5","5","7","4","7","1") = "6"
    & skf18("4","5","5","7","4","8","1") = "7"
    & skf18("4","5","5","7","4","9","1") = "8"
    & skf18("4","5","5","7","4","10","1") = "9"
    & skf18("4","5","5","7","5","1","1") = "6"
    & skf18("4","5","5","7","5","2","1") = "6"
    & skf18("4","5","5","7","5","3","1") = "6"
    & skf18("4","5","5","7","5","4","1") = "6"
    & skf18("4","5","5","7","5","5","1") = "6"
    & skf18("4","5","5","7","5","6","1") = "6"
    & skf18("4","5","5","7","5","7","1") = "6"
    & skf18("4","5","5","7","5","8","1") = "7"
    & skf18("4","5","5","7","5","9","1") = "8"
    & skf18("4","5","5","7","5","10","1") = "9"
    & skf18("4","5","5","7","6","1","1") = "6"
    & skf18("4","5","5","7","6","2","1") = "6"
    & skf18("4","5","5","7","6","3","1") = "6"
    & skf18("4","5","5","7","6","4","1") = "6"
    & skf18("4","5","5","7","6","5","1") = "6"
    & skf18("4","5","5","7","6","6","1") = "6"
    & skf18("4","5","5","7","6","7","1") = "6"
    & skf18("4","5","5","7","6","8","1") = "7"
    & skf18("4","5","5","7","6","9","1") = "8"
    & skf18("4","5","5","7","6","10","1") = "9"
    & skf18("4","5","5","7","7","1","1") = "6"
    & skf18("4","5","5","7","7","2","1") = "6"
    & skf18("4","5","5","7","7","3","1") = "6"
    & skf18("4","5","5","7","7","4","1") = "6"
    & skf18("4","5","5","7","7","5","1") = "6"
    & skf18("4","5","5","7","7","6","1") = "6"
    & skf18("4","5","5","7","7","7","1") = "6"
    & skf18("4","5","5","7","7","8","1") = "7"
    & skf18("4","5","5","7","7","9","1") = "8"
    & skf18("4","5","5","7","7","10","1") = "9"
    & skf18("4","5","5","7","8","1","1") = "7"
    & skf18("4","5","5","7","8","2","1") = "7"
    & skf18("4","5","5","7","8","3","1") = "7"
    & skf18("4","5","5","7","8","4","1") = "7"
    & skf18("4","5","5","7","8","5","1") = "7"
    & skf18("4","5","5","7","8","6","1") = "7"
    & skf18("4","5","5","7","8","7","1") = "7"
    & skf18("4","5","5","7","8","8","1") = "7"
    & skf18("4","5","5","7","8","9","1") = "8"
    & skf18("4","5","5","7","8","10","1") = "9"
    & skf18("4","5","5","7","9","1","1") = "8"
    & skf18("4","5","5","7","9","2","1") = "8"
    & skf18("4","5","5","7","9","3","1") = "8"
    & skf18("4","5","5","7","9","4","1") = "8"
    & skf18("4","5","5","7","9","5","1") = "8"
    & skf18("4","5","5","7","9","6","1") = "8"
    & skf18("4","5","5","7","9","7","1") = "8"
    & skf18("4","5","5","7","9","8","1") = "8"
    & skf18("4","5","5","7","9","9","1") = "8"
    & skf18("4","5","5","7","9","10","1") = "9"
    & skf18("4","5","5","7","10","1","1") = "9"
    & skf18("4","5","5","7","10","2","1") = "9"
    & skf18("4","5","5","7","10","3","1") = "9"
    & skf18("4","5","5","7","10","4","1") = "9"
    & skf18("4","5","5","7","10","5","1") = "9"
    & skf18("4","5","5","7","10","6","1") = "9"
    & skf18("4","5","5","7","10","7","1") = "9"
    & skf18("4","5","5","7","10","8","1") = "9"
    & skf18("4","5","5","7","10","9","1") = "9"
    & skf18("4","5","5","7","10","10","1") = "9"
    & skf18("4","5","5","8","1","1","1") = "7"
    & skf18("4","5","5","8","1","2","1") = "7"
    & skf18("4","5","5","8","1","3","1") = "7"
    & skf18("4","5","5","8","1","4","1") = "7"
    & skf18("4","5","5","8","1","5","1") = "7"
    & skf18("4","5","5","8","1","6","1") = "7"
    & skf18("4","5","5","8","1","7","1") = "7"
    & skf18("4","5","5","8","1","8","1") = "7"
    & skf18("4","5","5","8","1","9","1") = "8"
    & skf18("4","5","5","8","1","10","1") = "9"
    & skf18("4","5","5","8","2","1","1") = "7"
    & skf18("4","5","5","8","2","2","1") = "7"
    & skf18("4","5","5","8","2","3","1") = "7"
    & skf18("4","5","5","8","2","4","1") = "7"
    & skf18("4","5","5","8","2","5","1") = "7"
    & skf18("4","5","5","8","2","6","1") = "7"
    & skf18("4","5","5","8","2","7","1") = "7"
    & skf18("4","5","5","8","2","8","1") = "7"
    & skf18("4","5","5","8","2","9","1") = "8"
    & skf18("4","5","5","8","2","10","1") = "9"
    & skf18("4","5","5","8","3","1","1") = "7"
    & skf18("4","5","5","8","3","2","1") = "7"
    & skf18("4","5","5","8","3","3","1") = "7"
    & skf18("4","5","5","8","3","4","1") = "7"
    & skf18("4","5","5","8","3","5","1") = "7"
    & skf18("4","5","5","8","3","6","1") = "7"
    & skf18("4","5","5","8","3","7","1") = "7"
    & skf18("4","5","5","8","3","8","1") = "7"
    & skf18("4","5","5","8","3","9","1") = "8"
    & skf18("4","5","5","8","3","10","1") = "9"
    & skf18("4","5","5","8","4","1","1") = "7"
    & skf18("4","5","5","8","4","2","1") = "7"
    & skf18("4","5","5","8","4","3","1") = "7"
    & skf18("4","5","5","8","4","4","1") = "7"
    & skf18("4","5","5","8","4","5","1") = "7"
    & skf18("4","5","5","8","4","6","1") = "7"
    & skf18("4","5","5","8","4","7","1") = "7"
    & skf18("4","5","5","8","4","8","1") = "7"
    & skf18("4","5","5","8","4","9","1") = "8"
    & skf18("4","5","5","8","4","10","1") = "9"
    & skf18("4","5","5","8","5","1","1") = "7"
    & skf18("4","5","5","8","5","2","1") = "7"
    & skf18("4","5","5","8","5","3","1") = "7"
    & skf18("4","5","5","8","5","4","1") = "7"
    & skf18("4","5","5","8","5","5","1") = "7"
    & skf18("4","5","5","8","5","6","1") = "7"
    & skf18("4","5","5","8","5","7","1") = "7"
    & skf18("4","5","5","8","5","8","1") = "7"
    & skf18("4","5","5","8","5","9","1") = "8"
    & skf18("4","5","5","8","5","10","1") = "9"
    & skf18("4","5","5","8","6","1","1") = "7"
    & skf18("4","5","5","8","6","2","1") = "7"
    & skf18("4","5","5","8","6","3","1") = "7"
    & skf18("4","5","5","8","6","4","1") = "7"
    & skf18("4","5","5","8","6","5","1") = "7"
    & skf18("4","5","5","8","6","6","1") = "7"
    & skf18("4","5","5","8","6","7","1") = "7"
    & skf18("4","5","5","8","6","8","1") = "7"
    & skf18("4","5","5","8","6","9","1") = "8"
    & skf18("4","5","5","8","6","10","1") = "9"
    & skf18("4","5","5","8","7","1","1") = "7"
    & skf18("4","5","5","8","7","2","1") = "7"
    & skf18("4","5","5","8","7","3","1") = "7"
    & skf18("4","5","5","8","7","4","1") = "7"
    & skf18("4","5","5","8","7","5","1") = "7"
    & skf18("4","5","5","8","7","6","1") = "7"
    & skf18("4","5","5","8","7","7","1") = "7"
    & skf18("4","5","5","8","7","8","1") = "7"
    & skf18("4","5","5","8","7","9","1") = "8"
    & skf18("4","5","5","8","7","10","1") = "9"
    & skf18("4","5","5","8","8","1","1") = "7"
    & skf18("4","5","5","8","8","2","1") = "7"
    & skf18("4","5","5","8","8","3","1") = "7"
    & skf18("4","5","5","8","8","4","1") = "7"
    & skf18("4","5","5","8","8","5","1") = "7"
    & skf18("4","5","5","8","8","6","1") = "7"
    & skf18("4","5","5","8","8","7","1") = "7"
    & skf18("4","5","5","8","8","8","1") = "7"
    & skf18("4","5","5","8","8","9","1") = "8"
    & skf18("4","5","5","8","8","10","1") = "9"
    & skf18("4","5","5","8","9","1","1") = "8"
    & skf18("4","5","5","8","9","2","1") = "8"
    & skf18("4","5","5","8","9","3","1") = "8"
    & skf18("4","5","5","8","9","4","1") = "8"
    & skf18("4","5","5","8","9","5","1") = "8"
    & skf18("4","5","5","8","9","6","1") = "8"
    & skf18("4","5","5","8","9","7","1") = "8"
    & skf18("4","5","5","8","9","8","1") = "8"
    & skf18("4","5","5","8","9","9","1") = "8"
    & skf18("4","5","5","8","9","10","1") = "9"
    & skf18("4","5","5","8","10","1","1") = "9"
    & skf18("4","5","5","8","10","2","1") = "9"
    & skf18("4","5","5","8","10","3","1") = "9"
    & skf18("4","5","5","8","10","4","1") = "9"
    & skf18("4","5","5","8","10","5","1") = "9"
    & skf18("4","5","5","8","10","6","1") = "9"
    & skf18("4","5","5","8","10","7","1") = "9"
    & skf18("4","5","5","8","10","8","1") = "9"
    & skf18("4","5","5","8","10","9","1") = "9"
    & skf18("4","5","5","8","10","10","1") = "9"
    & skf18("4","5","5","9","1","1","1") = "8"
    & skf18("4","5","5","9","1","2","1") = "8"
    & skf18("4","5","5","9","1","3","1") = "8"
    & skf18("4","5","5","9","1","4","1") = "8"
    & skf18("4","5","5","9","1","5","1") = "8"
    & skf18("4","5","5","9","1","6","1") = "8"
    & skf18("4","5","5","9","1","7","1") = "8"
    & skf18("4","5","5","9","1","8","1") = "8"
    & skf18("4","5","5","9","1","9","1") = "8"
    & skf18("4","5","5","9","1","10","1") = "9"
    & skf18("4","5","5","9","2","1","1") = "8"
    & skf18("4","5","5","9","2","2","1") = "8"
    & skf18("4","5","5","9","2","3","1") = "8"
    & skf18("4","5","5","9","2","4","1") = "8"
    & skf18("4","5","5","9","2","5","1") = "8"
    & skf18("4","5","5","9","2","6","1") = "8"
    & skf18("4","5","5","9","2","7","1") = "8"
    & skf18("4","5","5","9","2","8","1") = "8"
    & skf18("4","5","5","9","2","9","1") = "8"
    & skf18("4","5","5","9","2","10","1") = "9"
    & skf18("4","5","5","9","3","1","1") = "8"
    & skf18("4","5","5","9","3","2","1") = "8"
    & skf18("4","5","5","9","3","3","1") = "8"
    & skf18("4","5","5","9","3","4","1") = "8"
    & skf18("4","5","5","9","3","5","1") = "8"
    & skf18("4","5","5","9","3","6","1") = "8"
    & skf18("4","5","5","9","3","7","1") = "8"
    & skf18("4","5","5","9","3","8","1") = "8"
    & skf18("4","5","5","9","3","9","1") = "8"
    & skf18("4","5","5","9","3","10","1") = "9"
    & skf18("4","5","5","9","4","1","1") = "8"
    & skf18("4","5","5","9","4","2","1") = "8"
    & skf18("4","5","5","9","4","3","1") = "8"
    & skf18("4","5","5","9","4","4","1") = "8"
    & skf18("4","5","5","9","4","5","1") = "8"
    & skf18("4","5","5","9","4","6","1") = "8"
    & skf18("4","5","5","9","4","7","1") = "8"
    & skf18("4","5","5","9","4","8","1") = "8"
    & skf18("4","5","5","9","4","9","1") = "8"
    & skf18("4","5","5","9","4","10","1") = "9"
    & skf18("4","5","5","9","5","1","1") = "8"
    & skf18("4","5","5","9","5","2","1") = "8"
    & skf18("4","5","5","9","5","3","1") = "8"
    & skf18("4","5","5","9","5","4","1") = "8"
    & skf18("4","5","5","9","5","5","1") = "8"
    & skf18("4","5","5","9","5","6","1") = "8"
    & skf18("4","5","5","9","5","7","1") = "8"
    & skf18("4","5","5","9","5","8","1") = "8"
    & skf18("4","5","5","9","5","9","1") = "8"
    & skf18("4","5","5","9","5","10","1") = "9"
    & skf18("4","5","5","9","6","1","1") = "8"
    & skf18("4","5","5","9","6","2","1") = "8"
    & skf18("4","5","5","9","6","3","1") = "8"
    & skf18("4","5","5","9","6","4","1") = "8"
    & skf18("4","5","5","9","6","5","1") = "8"
    & skf18("4","5","5","9","6","6","1") = "8"
    & skf18("4","5","5","9","6","7","1") = "8"
    & skf18("4","5","5","9","6","8","1") = "8"
    & skf18("4","5","5","9","6","9","1") = "8"
    & skf18("4","5","5","9","6","10","1") = "9"
    & skf18("4","5","5","9","7","1","1") = "8"
    & skf18("4","5","5","9","7","2","1") = "8"
    & skf18("4","5","5","9","7","3","1") = "8"
    & skf18("4","5","5","9","7","4","1") = "8"
    & skf18("4","5","5","9","7","5","1") = "8"
    & skf18("4","5","5","9","7","6","1") = "8"
    & skf18("4","5","5","9","7","7","1") = "8"
    & skf18("4","5","5","9","7","8","1") = "8"
    & skf18("4","5","5","9","7","9","1") = "8"
    & skf18("4","5","5","9","7","10","1") = "9"
    & skf18("4","5","5","9","8","1","1") = "8"
    & skf18("4","5","5","9","8","2","1") = "8"
    & skf18("4","5","5","9","8","3","1") = "8"
    & skf18("4","5","5","9","8","4","1") = "8"
    & skf18("4","5","5","9","8","5","1") = "8"
    & skf18("4","5","5","9","8","6","1") = "8"
    & skf18("4","5","5","9","8","7","1") = "8"
    & skf18("4","5","5","9","8","8","1") = "8"
    & skf18("4","5","5","9","8","9","1") = "8"
    & skf18("4","5","5","9","8","10","1") = "9"
    & skf18("4","5","5","9","9","1","1") = "8"
    & skf18("4","5","5","9","9","2","1") = "8"
    & skf18("4","5","5","9","9","3","1") = "8"
    & skf18("4","5","5","9","9","4","1") = "8"
    & skf18("4","5","5","9","9","5","1") = "8"
    & skf18("4","5","5","9","9","6","1") = "8"
    & skf18("4","5","5","9","9","7","1") = "8"
    & skf18("4","5","5","9","9","8","1") = "8"
    & skf18("4","5","5","9","9","9","1") = "8"
    & skf18("4","5","5","9","9","10","1") = "9"
    & skf18("4","5","5","9","10","1","1") = "9"
    & skf18("4","5","5","9","10","2","1") = "9"
    & skf18("4","5","5","9","10","3","1") = "9"
    & skf18("4","5","5","9","10","4","1") = "9"
    & skf18("4","5","5","9","10","5","1") = "9"
    & skf18("4","5","5","9","10","6","1") = "9"
    & skf18("4","5","5","9","10","7","1") = "9"
    & skf18("4","5","5","9","10","8","1") = "9"
    & skf18("4","5","5","9","10","9","1") = "9"
    & skf18("4","5","5","9","10","10","1") = "9"
    & skf18("4","5","5","10","1","1","1") = "9"
    & skf18("4","5","5","10","1","2","1") = "9"
    & skf18("4","5","5","10","1","3","1") = "9"
    & skf18("4","5","5","10","1","4","1") = "9"
    & skf18("4","5","5","10","1","5","1") = "9"
    & skf18("4","5","5","10","1","6","1") = "9"
    & skf18("4","5","5","10","1","7","1") = "9"
    & skf18("4","5","5","10","1","8","1") = "9"
    & skf18("4","5","5","10","1","9","1") = "9"
    & skf18("4","5","5","10","1","10","1") = "9"
    & skf18("4","5","5","10","2","1","1") = "9"
    & skf18("4","5","5","10","2","2","1") = "9"
    & skf18("4","5","5","10","2","3","1") = "9"
    & skf18("4","5","5","10","2","4","1") = "9"
    & skf18("4","5","5","10","2","5","1") = "9"
    & skf18("4","5","5","10","2","6","1") = "9"
    & skf18("4","5","5","10","2","7","1") = "9"
    & skf18("4","5","5","10","2","8","1") = "9"
    & skf18("4","5","5","10","2","9","1") = "9"
    & skf18("4","5","5","10","2","10","1") = "9"
    & skf18("4","5","5","10","3","1","1") = "9"
    & skf18("4","5","5","10","3","2","1") = "9"
    & skf18("4","5","5","10","3","3","1") = "9"
    & skf18("4","5","5","10","3","4","1") = "9"
    & skf18("4","5","5","10","3","5","1") = "9"
    & skf18("4","5","5","10","3","6","1") = "9"
    & skf18("4","5","5","10","3","7","1") = "9"
    & skf18("4","5","5","10","3","8","1") = "9"
    & skf18("4","5","5","10","3","9","1") = "9"
    & skf18("4","5","5","10","3","10","1") = "9"
    & skf18("4","5","5","10","4","1","1") = "9"
    & skf18("4","5","5","10","4","2","1") = "9"
    & skf18("4","5","5","10","4","3","1") = "9"
    & skf18("4","5","5","10","4","4","1") = "9"
    & skf18("4","5","5","10","4","5","1") = "9"
    & skf18("4","5","5","10","4","6","1") = "9"
    & skf18("4","5","5","10","4","7","1") = "9"
    & skf18("4","5","5","10","4","8","1") = "9"
    & skf18("4","5","5","10","4","9","1") = "9"
    & skf18("4","5","5","10","4","10","1") = "9"
    & skf18("4","5","5","10","5","1","1") = "9"
    & skf18("4","5","5","10","5","2","1") = "9"
    & skf18("4","5","5","10","5","3","1") = "9"
    & skf18("4","5","5","10","5","4","1") = "9"
    & skf18("4","5","5","10","5","5","1") = "9"
    & skf18("4","5","5","10","5","6","1") = "9"
    & skf18("4","5","5","10","5","7","1") = "9"
    & skf18("4","5","5","10","5","8","1") = "9"
    & skf18("4","5","5","10","5","9","1") = "9"
    & skf18("4","5","5","10","5","10","1") = "9"
    & skf18("4","5","5","10","6","1","1") = "9"
    & skf18("4","5","5","10","6","2","1") = "9"
    & skf18("4","5","5","10","6","3","1") = "9"
    & skf18("4","5","5","10","6","4","1") = "9"
    & skf18("4","5","5","10","6","5","1") = "9"
    & skf18("4","5","5","10","6","6","1") = "9"
    & skf18("4","5","5","10","6","7","1") = "9"
    & skf18("4","5","5","10","6","8","1") = "9"
    & skf18("4","5","5","10","6","9","1") = "9"
    & skf18("4","5","5","10","6","10","1") = "9"
    & skf18("4","5","5","10","7","1","1") = "9"
    & skf18("4","5","5","10","7","2","1") = "9"
    & skf18("4","5","5","10","7","3","1") = "9"
    & skf18("4","5","5","10","7","4","1") = "9"
    & skf18("4","5","5","10","7","5","1") = "9"
    & skf18("4","5","5","10","7","6","1") = "9"
    & skf18("4","5","5","10","7","7","1") = "9"
    & skf18("4","5","5","10","7","8","1") = "9"
    & skf18("4","5","5","10","7","9","1") = "9"
    & skf18("4","5","5","10","7","10","1") = "9"
    & skf18("4","5","5","10","8","1","1") = "9"
    & skf18("4","5","5","10","8","2","1") = "9"
    & skf18("4","5","5","10","8","3","1") = "9"
    & skf18("4","5","5","10","8","4","1") = "9"
    & skf18("4","5","5","10","8","5","1") = "9"
    & skf18("4","5","5","10","8","6","1") = "9"
    & skf18("4","5","5","10","8","7","1") = "9"
    & skf18("4","5","5","10","8","8","1") = "9"
    & skf18("4","5","5","10","8","9","1") = "9"
    & skf18("4","5","5","10","8","10","1") = "9"
    & skf18("4","5","5","10","9","1","1") = "9"
    & skf18("4","5","5","10","9","2","1") = "9"
    & skf18("4","5","5","10","9","3","1") = "9"
    & skf18("4","5","5","10","9","4","1") = "9"
    & skf18("4","5","5","10","9","5","1") = "9"
    & skf18("4","5","5","10","9","6","1") = "9"
    & skf18("4","5","5","10","9","7","1") = "9"
    & skf18("4","5","5","10","9","8","1") = "9"
    & skf18("4","5","5","10","9","9","1") = "9"
    & skf18("4","5","5","10","9","10","1") = "9"
    & skf18("4","5","5","10","10","1","1") = "9"
    & skf18("4","5","5","10","10","2","1") = "9"
    & skf18("4","5","5","10","10","3","1") = "9"
    & skf18("4","5","5","10","10","4","1") = "9"
    & skf18("4","5","5","10","10","5","1") = "9"
    & skf18("4","5","5","10","10","6","1") = "9"
    & skf18("4","5","5","10","10","7","1") = "9"
    & skf18("4","5","5","10","10","8","1") = "9"
    & skf18("4","5","5","10","10","9","1") = "9"
    & skf18("4","5","5","10","10","10","1") = "9"
    & skf18("4","5","6","1","1","1","1") = "5"
    & skf18("4","5","6","1","1","2","1") = "5"
    & skf18("4","5","6","1","1","3","1") = "5"
    & skf18("4","5","6","1","1","4","1") = "5"
    & skf18("4","5","6","1","1","5","1") = "5"
    & skf18("4","5","6","1","1","6","1") = "5"
    & skf18("4","5","6","1","1","7","1") = "6"
    & skf18("4","5","6","1","1","8","1") = "7"
    & skf18("4","5","6","1","1","9","1") = "8"
    & skf18("4","5","6","1","1","10","1") = "9"
    & skf18("4","5","6","1","2","1","1") = "5"
    & skf18("4","5","6","1","2","2","1") = "5"
    & skf18("4","5","6","1","2","3","1") = "5"
    & skf18("4","5","6","1","2","4","1") = "5"
    & skf18("4","5","6","1","2","5","1") = "5"
    & skf18("4","5","6","1","2","6","1") = "5"
    & skf18("4","5","6","1","2","7","1") = "6"
    & skf18("4","5","6","1","2","8","1") = "7"
    & skf18("4","5","6","1","2","9","1") = "8"
    & skf18("4","5","6","1","2","10","1") = "9"
    & skf18("4","5","6","1","3","1","1") = "5"
    & skf18("4","5","6","1","3","2","1") = "5"
    & skf18("4","5","6","1","3","3","1") = "5"
    & skf18("4","5","6","1","3","4","1") = "5"
    & skf18("4","5","6","1","3","5","1") = "5"
    & skf18("4","5","6","1","3","6","1") = "5"
    & skf18("4","5","6","1","3","7","1") = "6"
    & skf18("4","5","6","1","3","8","1") = "7"
    & skf18("4","5","6","1","3","9","1") = "8"
    & skf18("4","5","6","1","3","10","1") = "9"
    & skf18("4","5","6","1","4","1","1") = "5"
    & skf18("4","5","6","1","4","2","1") = "5"
    & skf18("4","5","6","1","4","3","1") = "5"
    & skf18("4","5","6","1","4","4","1") = "5"
    & skf18("4","5","6","1","4","5","1") = "5"
    & skf18("4","5","6","1","4","6","1") = "5"
    & skf18("4","5","6","1","4","7","1") = "6"
    & skf18("4","5","6","1","4","8","1") = "7"
    & skf18("4","5","6","1","4","9","1") = "8"
    & skf18("4","5","6","1","4","10","1") = "9"
    & skf18("4","5","6","1","5","1","1") = "5"
    & skf18("4","5","6","1","5","2","1") = "5"
    & skf18("4","5","6","1","5","3","1") = "5"
    & skf18("4","5","6","1","5","4","1") = "5"
    & skf18("4","5","6","1","5","5","1") = "5"
    & skf18("4","5","6","1","5","6","1") = "5"
    & skf18("4","5","6","1","5","7","1") = "6"
    & skf18("4","5","6","1","5","8","1") = "7"
    & skf18("4","5","6","1","5","9","1") = "8"
    & skf18("4","5","6","1","5","10","1") = "9"
    & skf18("4","5","6","1","6","1","1") = "5"
    & skf18("4","5","6","1","6","2","1") = "5"
    & skf18("4","5","6","1","6","3","1") = "5"
    & skf18("4","5","6","1","6","4","1") = "5"
    & skf18("4","5","6","1","6","5","1") = "5"
    & skf18("4","5","6","1","6","6","1") = "5"
    & skf18("4","5","6","1","6","7","1") = "6"
    & skf18("4","5","6","1","6","8","1") = "7"
    & skf18("4","5","6","1","6","9","1") = "8"
    & skf18("4","5","6","1","6","10","1") = "9"
    & skf18("4","5","6","1","7","1","1") = "6"
    & skf18("4","5","6","1","7","2","1") = "6"
    & skf18("4","5","6","1","7","3","1") = "6"
    & skf18("4","5","6","1","7","4","1") = "6"
    & skf18("4","5","6","1","7","5","1") = "6"
    & skf18("4","5","6","1","7","6","1") = "6"
    & skf18("4","5","6","1","7","7","1") = "6"
    & skf18("4","5","6","1","7","8","1") = "7"
    & skf18("4","5","6","1","7","9","1") = "8"
    & skf18("4","5","6","1","7","10","1") = "9"
    & skf18("4","5","6","1","8","1","1") = "7"
    & skf18("4","5","6","1","8","2","1") = "7"
    & skf18("4","5","6","1","8","3","1") = "7"
    & skf18("4","5","6","1","8","4","1") = "7"
    & skf18("4","5","6","1","8","5","1") = "7"
    & skf18("4","5","6","1","8","6","1") = "7"
    & skf18("4","5","6","1","8","7","1") = "7"
    & skf18("4","5","6","1","8","8","1") = "7"
    & skf18("4","5","6","1","8","9","1") = "8"
    & skf18("4","5","6","1","8","10","1") = "9"
    & skf18("4","5","6","1","9","1","1") = "8"
    & skf18("4","5","6","1","9","2","1") = "8"
    & skf18("4","5","6","1","9","3","1") = "8"
    & skf18("4","5","6","1","9","4","1") = "8"
    & skf18("4","5","6","1","9","5","1") = "8"
    & skf18("4","5","6","1","9","6","1") = "8"
    & skf18("4","5","6","1","9","7","1") = "8"
    & skf18("4","5","6","1","9","8","1") = "8"
    & skf18("4","5","6","1","9","9","1") = "8"
    & skf18("4","5","6","1","9","10","1") = "9"
    & skf18("4","5","6","1","10","1","1") = "9"
    & skf18("4","5","6","1","10","2","1") = "9"
    & skf18("4","5","6","1","10","3","1") = "9"
    & skf18("4","5","6","1","10","4","1") = "9"
    & skf18("4","5","6","1","10","5","1") = "9"
    & skf18("4","5","6","1","10","6","1") = "9"
    & skf18("4","5","6","1","10","7","1") = "9"
    & skf18("4","5","6","1","10","8","1") = "9"
    & skf18("4","5","6","1","10","9","1") = "9"
    & skf18("4","5","6","1","10","10","1") = "9"
    & skf18("4","5","6","2","1","1","1") = "5"
    & skf18("4","5","6","2","1","2","1") = "5"
    & skf18("4","5","6","2","1","3","1") = "5"
    & skf18("4","5","6","2","1","4","1") = "5"
    & skf18("4","5","6","2","1","5","1") = "5"
    & skf18("4","5","6","2","1","6","1") = "5"
    & skf18("4","5","6","2","1","7","1") = "6"
    & skf18("4","5","6","2","1","8","1") = "7"
    & skf18("4","5","6","2","1","9","1") = "8"
    & skf18("4","5","6","2","1","10","1") = "9"
    & skf18("4","5","6","2","2","1","1") = "5"
    & skf18("4","5","6","2","2","2","1") = "5"
    & skf18("4","5","6","2","2","3","1") = "5"
    & skf18("4","5","6","2","2","4","1") = "5"
    & skf18("4","5","6","2","2","5","1") = "5"
    & skf18("4","5","6","2","2","6","1") = "5"
    & skf18("4","5","6","2","2","7","1") = "6"
    & skf18("4","5","6","2","2","8","1") = "7"
    & skf18("4","5","6","2","2","9","1") = "8"
    & skf18("4","5","6","2","2","10","1") = "9"
    & skf18("4","5","6","2","3","1","1") = "5"
    & skf18("4","5","6","2","3","2","1") = "5"
    & skf18("4","5","6","2","3","3","1") = "5"
    & skf18("4","5","6","2","3","4","1") = "5"
    & skf18("4","5","6","2","3","5","1") = "5"
    & skf18("4","5","6","2","3","6","1") = "5"
    & skf18("4","5","6","2","3","7","1") = "6"
    & skf18("4","5","6","2","3","8","1") = "7"
    & skf18("4","5","6","2","3","9","1") = "8"
    & skf18("4","5","6","2","3","10","1") = "9"
    & skf18("4","5","6","2","4","1","1") = "5"
    & skf18("4","5","6","2","4","2","1") = "5"
    & skf18("4","5","6","2","4","3","1") = "5"
    & skf18("4","5","6","2","4","4","1") = "5"
    & skf18("4","5","6","2","4","5","1") = "5"
    & skf18("4","5","6","2","4","6","1") = "5"
    & skf18("4","5","6","2","4","7","1") = "6"
    & skf18("4","5","6","2","4","8","1") = "7"
    & skf18("4","5","6","2","4","9","1") = "8"
    & skf18("4","5","6","2","4","10","1") = "9"
    & skf18("4","5","6","2","5","1","1") = "5"
    & skf18("4","5","6","2","5","2","1") = "5"
    & skf18("4","5","6","2","5","3","1") = "5"
    & skf18("4","5","6","2","5","4","1") = "5"
    & skf18("4","5","6","2","5","5","1") = "5"
    & skf18("4","5","6","2","5","6","1") = "5"
    & skf18("4","5","6","2","5","7","1") = "6"
    & skf18("4","5","6","2","5","8","1") = "7"
    & skf18("4","5","6","2","5","9","1") = "8"
    & skf18("4","5","6","2","5","10","1") = "9"
    & skf18("4","5","6","2","6","1","1") = "5"
    & skf18("4","5","6","2","6","2","1") = "5"
    & skf18("4","5","6","2","6","3","1") = "5"
    & skf18("4","5","6","2","6","4","1") = "5"
    & skf18("4","5","6","2","6","5","1") = "5"
    & skf18("4","5","6","2","6","6","1") = "5"
    & skf18("4","5","6","2","6","7","1") = "6"
    & skf18("4","5","6","2","6","8","1") = "7"
    & skf18("4","5","6","2","6","9","1") = "8"
    & skf18("4","5","6","2","6","10","1") = "9"
    & skf18("4","5","6","2","7","1","1") = "6"
    & skf18("4","5","6","2","7","2","1") = "6"
    & skf18("4","5","6","2","7","3","1") = "6"
    & skf18("4","5","6","2","7","4","1") = "6"
    & skf18("4","5","6","2","7","5","1") = "6"
    & skf18("4","5","6","2","7","6","1") = "6"
    & skf18("4","5","6","2","7","7","1") = "6"
    & skf18("4","5","6","2","7","8","1") = "7"
    & skf18("4","5","6","2","7","9","1") = "8"
    & skf18("4","5","6","2","7","10","1") = "9"
    & skf18("4","5","6","2","8","1","1") = "7"
    & skf18("4","5","6","2","8","2","1") = "7"
    & skf18("4","5","6","2","8","3","1") = "7"
    & skf18("4","5","6","2","8","4","1") = "7"
    & skf18("4","5","6","2","8","5","1") = "7"
    & skf18("4","5","6","2","8","6","1") = "7"
    & skf18("4","5","6","2","8","7","1") = "7"
    & skf18("4","5","6","2","8","8","1") = "7"
    & skf18("4","5","6","2","8","9","1") = "8"
    & skf18("4","5","6","2","8","10","1") = "9"
    & skf18("4","5","6","2","9","1","1") = "8"
    & skf18("4","5","6","2","9","2","1") = "8"
    & skf18("4","5","6","2","9","3","1") = "8"
    & skf18("4","5","6","2","9","4","1") = "8"
    & skf18("4","5","6","2","9","5","1") = "8"
    & skf18("4","5","6","2","9","6","1") = "8"
    & skf18("4","5","6","2","9","7","1") = "8"
    & skf18("4","5","6","2","9","8","1") = "8"
    & skf18("4","5","6","2","9","9","1") = "8"
    & skf18("4","5","6","2","9","10","1") = "9"
    & skf18("4","5","6","2","10","1","1") = "9"
    & skf18("4","5","6","2","10","2","1") = "9"
    & skf18("4","5","6","2","10","3","1") = "9"
    & skf18("4","5","6","2","10","4","1") = "9"
    & skf18("4","5","6","2","10","5","1") = "9"
    & skf18("4","5","6","2","10","6","1") = "9"
    & skf18("4","5","6","2","10","7","1") = "9"
    & skf18("4","5","6","2","10","8","1") = "9"
    & skf18("4","5","6","2","10","9","1") = "9"
    & skf18("4","5","6","2","10","10","1") = "9"
    & skf18("4","5","6","3","1","1","1") = "5"
    & skf18("4","5","6","3","1","2","1") = "5"
    & skf18("4","5","6","3","1","3","1") = "5"
    & skf18("4","5","6","3","1","4","1") = "5"
    & skf18("4","5","6","3","1","5","1") = "5"
    & skf18("4","5","6","3","1","6","1") = "5"
    & skf18("4","5","6","3","1","7","1") = "6"
    & skf18("4","5","6","3","1","8","1") = "7"
    & skf18("4","5","6","3","1","9","1") = "8"
    & skf18("4","5","6","3","1","10","1") = "9"
    & skf18("4","5","6","3","2","1","1") = "5"
    & skf18("4","5","6","3","2","2","1") = "5"
    & skf18("4","5","6","3","2","3","1") = "5"
    & skf18("4","5","6","3","2","4","1") = "5"
    & skf18("4","5","6","3","2","5","1") = "5"
    & skf18("4","5","6","3","2","6","1") = "5"
    & skf18("4","5","6","3","2","7","1") = "6"
    & skf18("4","5","6","3","2","8","1") = "7"
    & skf18("4","5","6","3","2","9","1") = "8"
    & skf18("4","5","6","3","2","10","1") = "9"
    & skf18("4","5","6","3","3","1","1") = "5"
    & skf18("4","5","6","3","3","2","1") = "5"
    & skf18("4","5","6","3","3","3","1") = "5"
    & skf18("4","5","6","3","3","4","1") = "5"
    & skf18("4","5","6","3","3","5","1") = "5"
    & skf18("4","5","6","3","3","6","1") = "5"
    & skf18("4","5","6","3","3","7","1") = "6"
    & skf18("4","5","6","3","3","8","1") = "7"
    & skf18("4","5","6","3","3","9","1") = "8"
    & skf18("4","5","6","3","3","10","1") = "9"
    & skf18("4","5","6","3","4","1","1") = "5"
    & skf18("4","5","6","3","4","2","1") = "5"
    & skf18("4","5","6","3","4","3","1") = "5"
    & skf18("4","5","6","3","4","4","1") = "5"
    & skf18("4","5","6","3","4","5","1") = "5"
    & skf18("4","5","6","3","4","6","1") = "5"
    & skf18("4","5","6","3","4","7","1") = "6"
    & skf18("4","5","6","3","4","8","1") = "7"
    & skf18("4","5","6","3","4","9","1") = "8"
    & skf18("4","5","6","3","4","10","1") = "9"
    & skf18("4","5","6","3","5","1","1") = "5"
    & skf18("4","5","6","3","5","2","1") = "5"
    & skf18("4","5","6","3","5","3","1") = "5"
    & skf18("4","5","6","3","5","4","1") = "5"
    & skf18("4","5","6","3","5","5","1") = "5"
    & skf18("4","5","6","3","5","6","1") = "5"
    & skf18("4","5","6","3","5","7","1") = "6"
    & skf18("4","5","6","3","5","8","1") = "7"
    & skf18("4","5","6","3","5","9","1") = "8"
    & skf18("4","5","6","3","5","10","1") = "9"
    & skf18("4","5","6","3","6","1","1") = "5"
    & skf18("4","5","6","3","6","2","1") = "5"
    & skf18("4","5","6","3","6","3","1") = "5"
    & skf18("4","5","6","3","6","4","1") = "5"
    & skf18("4","5","6","3","6","5","1") = "5"
    & skf18("4","5","6","3","6","6","1") = "5"
    & skf18("4","5","6","3","6","7","1") = "6"
    & skf18("4","5","6","3","6","8","1") = "7"
    & skf18("4","5","6","3","6","9","1") = "8"
    & skf18("4","5","6","3","6","10","1") = "9"
    & skf18("4","5","6","3","7","1","1") = "6"
    & skf18("4","5","6","3","7","2","1") = "6"
    & skf18("4","5","6","3","7","3","1") = "6"
    & skf18("4","5","6","3","7","4","1") = "6"
    & skf18("4","5","6","3","7","5","1") = "6"
    & skf18("4","5","6","3","7","6","1") = "6"
    & skf18("4","5","6","3","7","7","1") = "6"
    & skf18("4","5","6","3","7","8","1") = "7"
    & skf18("4","5","6","3","7","9","1") = "8"
    & skf18("4","5","6","3","7","10","1") = "9"
    & skf18("4","5","6","3","8","1","1") = "7"
    & skf18("4","5","6","3","8","2","1") = "7"
    & skf18("4","5","6","3","8","3","1") = "7"
    & skf18("4","5","6","3","8","4","1") = "7"
    & skf18("4","5","6","3","8","5","1") = "7"
    & skf18("4","5","6","3","8","6","1") = "7"
    & skf18("4","5","6","3","8","7","1") = "7"
    & skf18("4","5","6","3","8","8","1") = "7"
    & skf18("4","5","6","3","8","9","1") = "8"
    & skf18("4","5","6","3","8","10","1") = "9"
    & skf18("4","5","6","3","9","1","1") = "8"
    & skf18("4","5","6","3","9","2","1") = "8"
    & skf18("4","5","6","3","9","3","1") = "8"
    & skf18("4","5","6","3","9","4","1") = "8"
    & skf18("4","5","6","3","9","5","1") = "8"
    & skf18("4","5","6","3","9","6","1") = "8"
    & skf18("4","5","6","3","9","7","1") = "8"
    & skf18("4","5","6","3","9","8","1") = "8"
    & skf18("4","5","6","3","9","9","1") = "8"
    & skf18("4","5","6","3","9","10","1") = "9"
    & skf18("4","5","6","3","10","1","1") = "9"
    & skf18("4","5","6","3","10","2","1") = "9"
    & skf18("4","5","6","3","10","3","1") = "9"
    & skf18("4","5","6","3","10","4","1") = "9"
    & skf18("4","5","6","3","10","5","1") = "9"
    & skf18("4","5","6","3","10","6","1") = "9"
    & skf18("4","5","6","3","10","7","1") = "9"
    & skf18("4","5","6","3","10","8","1") = "9"
    & skf18("4","5","6","3","10","9","1") = "9"
    & skf18("4","5","6","3","10","10","1") = "9"
    & skf18("4","5","6","4","1","1","1") = "5"
    & skf18("4","5","6","4","1","2","1") = "5"
    & skf18("4","5","6","4","1","3","1") = "5"
    & skf18("4","5","6","4","1","4","1") = "5"
    & skf18("4","5","6","4","1","5","1") = "5"
    & skf18("4","5","6","4","1","6","1") = "5"
    & skf18("4","5","6","4","1","7","1") = "6"
    & skf18("4","5","6","4","1","8","1") = "7"
    & skf18("4","5","6","4","1","9","1") = "8"
    & skf18("4","5","6","4","1","10","1") = "9"
    & skf18("4","5","6","4","2","1","1") = "5"
    & skf18("4","5","6","4","2","2","1") = "5"
    & skf18("4","5","6","4","2","3","1") = "5"
    & skf18("4","5","6","4","2","4","1") = "5"
    & skf18("4","5","6","4","2","5","1") = "5"
    & skf18("4","5","6","4","2","6","1") = "5"
    & skf18("4","5","6","4","2","7","1") = "6"
    & skf18("4","5","6","4","2","8","1") = "7"
    & skf18("4","5","6","4","2","9","1") = "8"
    & skf18("4","5","6","4","2","10","1") = "9"
    & skf18("4","5","6","4","3","1","1") = "5"
    & skf18("4","5","6","4","3","2","1") = "5"
    & skf18("4","5","6","4","3","3","1") = "5"
    & skf18("4","5","6","4","3","4","1") = "5"
    & skf18("4","5","6","4","3","5","1") = "5"
    & skf18("4","5","6","4","3","6","1") = "5"
    & skf18("4","5","6","4","3","7","1") = "6"
    & skf18("4","5","6","4","3","8","1") = "7"
    & skf18("4","5","6","4","3","9","1") = "8"
    & skf18("4","5","6","4","3","10","1") = "9"
    & skf18("4","5","6","4","4","1","1") = "5"
    & skf18("4","5","6","4","4","2","1") = "5"
    & skf18("4","5","6","4","4","3","1") = "5"
    & skf18("4","5","6","4","4","4","1") = "5"
    & skf18("4","5","6","4","4","5","1") = "5"
    & skf18("4","5","6","4","4","6","1") = "5"
    & skf18("4","5","6","4","4","7","1") = "6"
    & skf18("4","5","6","4","4","8","1") = "7"
    & skf18("4","5","6","4","4","9","1") = "8"
    & skf18("4","5","6","4","4","10","1") = "9"
    & skf18("4","5","6","4","5","1","1") = "5"
    & skf18("4","5","6","4","5","2","1") = "5"
    & skf18("4","5","6","4","5","3","1") = "5"
    & skf18("4","5","6","4","5","4","1") = "5"
    & skf18("4","5","6","4","5","5","1") = "5"
    & skf18("4","5","6","4","5","6","1") = "5"
    & skf18("4","5","6","4","5","7","1") = "6"
    & skf18("4","5","6","4","5","8","1") = "7"
    & skf18("4","5","6","4","5","9","1") = "8"
    & skf18("4","5","6","4","5","10","1") = "9"
    & skf18("4","5","6","4","6","1","1") = "5"
    & skf18("4","5","6","4","6","2","1") = "5"
    & skf18("4","5","6","4","6","3","1") = "5"
    & skf18("4","5","6","4","6","4","1") = "5"
    & skf18("4","5","6","4","6","5","1") = "5"
    & skf18("4","5","6","4","6","6","1") = "5"
    & skf18("4","5","6","4","6","7","1") = "6"
    & skf18("4","5","6","4","6","8","1") = "7"
    & skf18("4","5","6","4","6","9","1") = "8"
    & skf18("4","5","6","4","6","10","1") = "9"
    & skf18("4","5","6","4","7","1","1") = "6"
    & skf18("4","5","6","4","7","2","1") = "6"
    & skf18("4","5","6","4","7","3","1") = "6"
    & skf18("4","5","6","4","7","4","1") = "6"
    & skf18("4","5","6","4","7","5","1") = "6"
    & skf18("4","5","6","4","7","6","1") = "6"
    & skf18("4","5","6","4","7","7","1") = "6"
    & skf18("4","5","6","4","7","8","1") = "7"
    & skf18("4","5","6","4","7","9","1") = "8"
    & skf18("4","5","6","4","7","10","1") = "9"
    & skf18("4","5","6","4","8","1","1") = "7"
    & skf18("4","5","6","4","8","2","1") = "7"
    & skf18("4","5","6","4","8","3","1") = "7"
    & skf18("4","5","6","4","8","4","1") = "7"
    & skf18("4","5","6","4","8","5","1") = "7"
    & skf18("4","5","6","4","8","6","1") = "7"
    & skf18("4","5","6","4","8","7","1") = "7"
    & skf18("4","5","6","4","8","8","1") = "7"
    & skf18("4","5","6","4","8","9","1") = "8"
    & skf18("4","5","6","4","8","10","1") = "9"
    & skf18("4","5","6","4","9","1","1") = "8"
    & skf18("4","5","6","4","9","2","1") = "8"
    & skf18("4","5","6","4","9","3","1") = "8"
    & skf18("4","5","6","4","9","4","1") = "8"
    & skf18("4","5","6","4","9","5","1") = "8"
    & skf18("4","5","6","4","9","6","1") = "8"
    & skf18("4","5","6","4","9","7","1") = "8"
    & skf18("4","5","6","4","9","8","1") = "8"
    & skf18("4","5","6","4","9","9","1") = "8"
    & skf18("4","5","6","4","9","10","1") = "9"
    & skf18("4","5","6","4","10","1","1") = "9"
    & skf18("4","5","6","4","10","2","1") = "9"
    & skf18("4","5","6","4","10","3","1") = "9"
    & skf18("4","5","6","4","10","4","1") = "9"
    & skf18("4","5","6","4","10","5","1") = "9"
    & skf18("4","5","6","4","10","6","1") = "9"
    & skf18("4","5","6","4","10","7","1") = "9"
    & skf18("4","5","6","4","10","8","1") = "9"
    & skf18("4","5","6","4","10","9","1") = "9"
    & skf18("4","5","6","4","10","10","1") = "9"
    & skf18("4","5","6","5","1","1","1") = "5"
    & skf18("4","5","6","5","1","2","1") = "5"
    & skf18("4","5","6","5","1","3","1") = "5"
    & skf18("4","5","6","5","1","4","1") = "5"
    & skf18("4","5","6","5","1","5","1") = "5"
    & skf18("4","5","6","5","1","6","1") = "5"
    & skf18("4","5","6","5","1","7","1") = "6"
    & skf18("4","5","6","5","1","8","1") = "7"
    & skf18("4","5","6","5","1","9","1") = "8"
    & skf18("4","5","6","5","1","10","1") = "9"
    & skf18("4","5","6","5","2","1","1") = "5"
    & skf18("4","5","6","5","2","2","1") = "5"
    & skf18("4","5","6","5","2","3","1") = "5"
    & skf18("4","5","6","5","2","4","1") = "5"
    & skf18("4","5","6","5","2","5","1") = "5"
    & skf18("4","5","6","5","2","6","1") = "5"
    & skf18("4","5","6","5","2","7","1") = "6"
    & skf18("4","5","6","5","2","8","1") = "7"
    & skf18("4","5","6","5","2","9","1") = "8"
    & skf18("4","5","6","5","2","10","1") = "9"
    & skf18("4","5","6","5","3","1","1") = "5"
    & skf18("4","5","6","5","3","2","1") = "5"
    & skf18("4","5","6","5","3","3","1") = "5"
    & skf18("4","5","6","5","3","4","1") = "5"
    & skf18("4","5","6","5","3","5","1") = "5"
    & skf18("4","5","6","5","3","6","1") = "5"
    & skf18("4","5","6","5","3","7","1") = "6"
    & skf18("4","5","6","5","3","8","1") = "7"
    & skf18("4","5","6","5","3","9","1") = "8"
    & skf18("4","5","6","5","3","10","1") = "9"
    & skf18("4","5","6","5","4","1","1") = "5"
    & skf18("4","5","6","5","4","2","1") = "5"
    & skf18("4","5","6","5","4","3","1") = "5"
    & skf18("4","5","6","5","4","4","1") = "5"
    & skf18("4","5","6","5","4","5","1") = "5"
    & skf18("4","5","6","5","4","6","1") = "5"
    & skf18("4","5","6","5","4","7","1") = "6"
    & skf18("4","5","6","5","4","8","1") = "7"
    & skf18("4","5","6","5","4","9","1") = "8"
    & skf18("4","5","6","5","4","10","1") = "9"
    & skf18("4","5","6","5","5","1","1") = "5"
    & skf18("4","5","6","5","5","2","1") = "5"
    & skf18("4","5","6","5","5","3","1") = "5"
    & skf18("4","5","6","5","5","4","1") = "5"
    & skf18("4","5","6","5","5","5","1") = "5"
    & skf18("4","5","6","5","5","6","1") = "5"
    & skf18("4","5","6","5","5","7","1") = "6"
    & skf18("4","5","6","5","5","8","1") = "7"
    & skf18("4","5","6","5","5","9","1") = "8"
    & skf18("4","5","6","5","5","10","1") = "9"
    & skf18("4","5","6","5","6","1","1") = "5"
    & skf18("4","5","6","5","6","2","1") = "5"
    & skf18("4","5","6","5","6","3","1") = "5"
    & skf18("4","5","6","5","6","4","1") = "5"
    & skf18("4","5","6","5","6","5","1") = "5"
    & skf18("4","5","6","5","6","6","1") = "5"
    & skf18("4","5","6","5","6","7","1") = "6"
    & skf18("4","5","6","5","6","8","1") = "7"
    & skf18("4","5","6","5","6","9","1") = "8"
    & skf18("4","5","6","5","6","10","1") = "9"
    & skf18("4","5","6","5","7","1","1") = "6"
    & skf18("4","5","6","5","7","2","1") = "6"
    & skf18("4","5","6","5","7","3","1") = "6"
    & skf18("4","5","6","5","7","4","1") = "6"
    & skf18("4","5","6","5","7","5","1") = "6"
    & skf18("4","5","6","5","7","6","1") = "6"
    & skf18("4","5","6","5","7","7","1") = "6"
    & skf18("4","5","6","5","7","8","1") = "7"
    & skf18("4","5","6","5","7","9","1") = "8"
    & skf18("4","5","6","5","7","10","1") = "9"
    & skf18("4","5","6","5","8","1","1") = "7"
    & skf18("4","5","6","5","8","2","1") = "7"
    & skf18("4","5","6","5","8","3","1") = "7"
    & skf18("4","5","6","5","8","4","1") = "7"
    & skf18("4","5","6","5","8","5","1") = "7"
    & skf18("4","5","6","5","8","6","1") = "7"
    & skf18("4","5","6","5","8","7","1") = "7"
    & skf18("4","5","6","5","8","8","1") = "7"
    & skf18("4","5","6","5","8","9","1") = "8"
    & skf18("4","5","6","5","8","10","1") = "9"
    & skf18("4","5","6","5","9","1","1") = "8"
    & skf18("4","5","6","5","9","2","1") = "8"
    & skf18("4","5","6","5","9","3","1") = "8"
    & skf18("4","5","6","5","9","4","1") = "8"
    & skf18("4","5","6","5","9","5","1") = "8"
    & skf18("4","5","6","5","9","6","1") = "8"
    & skf18("4","5","6","5","9","7","1") = "8"
    & skf18("4","5","6","5","9","8","1") = "8"
    & skf18("4","5","6","5","9","9","1") = "8"
    & skf18("4","5","6","5","9","10","1") = "9"
    & skf18("4","5","6","5","10","1","1") = "9"
    & skf18("4","5","6","5","10","2","1") = "9"
    & skf18("4","5","6","5","10","3","1") = "9"
    & skf18("4","5","6","5","10","4","1") = "9"
    & skf18("4","5","6","5","10","5","1") = "9"
    & skf18("4","5","6","5","10","6","1") = "9"
    & skf18("4","5","6","5","10","7","1") = "9"
    & skf18("4","5","6","5","10","8","1") = "9"
    & skf18("4","5","6","5","10","9","1") = "9"
    & skf18("4","5","6","5","10","10","1") = "9"
    & skf18("4","5","6","6","1","1","1") = "5"
    & skf18("4","5","6","6","1","2","1") = "5"
    & skf18("4","5","6","6","1","3","1") = "5"
    & skf18("4","5","6","6","1","4","1") = "5"
    & skf18("4","5","6","6","1","5","1") = "5"
    & skf18("4","5","6","6","1","6","1") = "5"
    & skf18("4","5","6","6","1","7","1") = "6"
    & skf18("4","5","6","6","1","8","1") = "7"
    & skf18("4","5","6","6","1","9","1") = "8"
    & skf18("4","5","6","6","1","10","1") = "9"
    & skf18("4","5","6","6","2","1","1") = "5"
    & skf18("4","5","6","6","2","2","1") = "5"
    & skf18("4","5","6","6","2","3","1") = "5"
    & skf18("4","5","6","6","2","4","1") = "5"
    & skf18("4","5","6","6","2","5","1") = "5"
    & skf18("4","5","6","6","2","6","1") = "5"
    & skf18("4","5","6","6","2","7","1") = "6"
    & skf18("4","5","6","6","2","8","1") = "7"
    & skf18("4","5","6","6","2","9","1") = "8"
    & skf18("4","5","6","6","2","10","1") = "9"
    & skf18("4","5","6","6","3","1","1") = "5"
    & skf18("4","5","6","6","3","2","1") = "5"
    & skf18("4","5","6","6","3","3","1") = "5"
    & skf18("4","5","6","6","3","4","1") = "5"
    & skf18("4","5","6","6","3","5","1") = "5"
    & skf18("4","5","6","6","3","6","1") = "5"
    & skf18("4","5","6","6","3","7","1") = "6"
    & skf18("4","5","6","6","3","8","1") = "7"
    & skf18("4","5","6","6","3","9","1") = "8"
    & skf18("4","5","6","6","3","10","1") = "9"
    & skf18("4","5","6","6","4","1","1") = "5"
    & skf18("4","5","6","6","4","2","1") = "5"
    & skf18("4","5","6","6","4","3","1") = "5"
    & skf18("4","5","6","6","4","4","1") = "5"
    & skf18("4","5","6","6","4","5","1") = "5"
    & skf18("4","5","6","6","4","6","1") = "5"
    & skf18("4","5","6","6","4","7","1") = "6"
    & skf18("4","5","6","6","4","8","1") = "7"
    & skf18("4","5","6","6","4","9","1") = "8"
    & skf18("4","5","6","6","4","10","1") = "9"
    & skf18("4","5","6","6","5","1","1") = "5"
    & skf18("4","5","6","6","5","2","1") = "5"
    & skf18("4","5","6","6","5","3","1") = "5"
    & skf18("4","5","6","6","5","4","1") = "5"
    & skf18("4","5","6","6","5","5","1") = "5"
    & skf18("4","5","6","6","5","6","1") = "5"
    & skf18("4","5","6","6","5","7","1") = "6"
    & skf18("4","5","6","6","5","8","1") = "7"
    & skf18("4","5","6","6","5","9","1") = "8"
    & skf18("4","5","6","6","5","10","1") = "9"
    & skf18("4","5","6","6","6","1","1") = "5"
    & skf18("4","5","6","6","6","2","1") = "5"
    & skf18("4","5","6","6","6","3","1") = "5"
    & skf18("4","5","6","6","6","4","1") = "5"
    & skf18("4","5","6","6","6","5","1") = "5"
    & skf18("4","5","6","6","6","6","1") = "5"
    & skf18("4","5","6","6","6","7","1") = "6"
    & skf18("4","5","6","6","6","8","1") = "7"
    & skf18("4","5","6","6","6","9","1") = "8"
    & skf18("4","5","6","6","6","10","1") = "9"
    & skf18("4","5","6","6","7","1","1") = "6"
    & skf18("4","5","6","6","7","2","1") = "6"
    & skf18("4","5","6","6","7","3","1") = "6"
    & skf18("4","5","6","6","7","4","1") = "6"
    & skf18("4","5","6","6","7","5","1") = "6"
    & skf18("4","5","6","6","7","6","1") = "6"
    & skf18("4","5","6","6","7","7","1") = "6"
    & skf18("4","5","6","6","7","8","1") = "7"
    & skf18("4","5","6","6","7","9","1") = "8"
    & skf18("4","5","6","6","7","10","1") = "9"
    & skf18("4","5","6","6","8","1","1") = "7"
    & skf18("4","5","6","6","8","2","1") = "7"
    & skf18("4","5","6","6","8","3","1") = "7"
    & skf18("4","5","6","6","8","4","1") = "7"
    & skf18("4","5","6","6","8","5","1") = "7"
    & skf18("4","5","6","6","8","6","1") = "7"
    & skf18("4","5","6","6","8","7","1") = "7"
    & skf18("4","5","6","6","8","8","1") = "7"
    & skf18("4","5","6","6","8","9","1") = "8"
    & skf18("4","5","6","6","8","10","1") = "9"
    & skf18("4","5","6","6","9","1","1") = "8"
    & skf18("4","5","6","6","9","2","1") = "8"
    & skf18("4","5","6","6","9","3","1") = "8"
    & skf18("4","5","6","6","9","4","1") = "8"
    & skf18("4","5","6","6","9","5","1") = "8"
    & skf18("4","5","6","6","9","6","1") = "8"
    & skf18("4","5","6","6","9","7","1") = "8"
    & skf18("4","5","6","6","9","8","1") = "8"
    & skf18("4","5","6","6","9","9","1") = "8"
    & skf18("4","5","6","6","9","10","1") = "9"
    & skf18("4","5","6","6","10","1","1") = "9"
    & skf18("4","5","6","6","10","2","1") = "9"
    & skf18("4","5","6","6","10","3","1") = "9"
    & skf18("4","5","6","6","10","4","1") = "9"
    & skf18("4","5","6","6","10","5","1") = "9"
    & skf18("4","5","6","6","10","6","1") = "9"
    & skf18("4","5","6","6","10","7","1") = "9"
    & skf18("4","5","6","6","10","8","1") = "9"
    & skf18("4","5","6","6","10","9","1") = "9"
    & skf18("4","5","6","6","10","10","1") = "9"
    & skf18("4","5","6","7","1","1","1") = "6"
    & skf18("4","5","6","7","1","2","1") = "6"
    & skf18("4","5","6","7","1","3","1") = "6"
    & skf18("4","5","6","7","1","4","1") = "6"
    & skf18("4","5","6","7","1","5","1") = "6"
    & skf18("4","5","6","7","1","6","1") = "6"
    & skf18("4","5","6","7","1","7","1") = "6"
    & skf18("4","5","6","7","1","8","1") = "7"
    & skf18("4","5","6","7","1","9","1") = "8"
    & skf18("4","5","6","7","1","10","1") = "9"
    & skf18("4","5","6","7","2","1","1") = "6"
    & skf18("4","5","6","7","2","2","1") = "6"
    & skf18("4","5","6","7","2","3","1") = "6"
    & skf18("4","5","6","7","2","4","1") = "6"
    & skf18("4","5","6","7","2","5","1") = "6"
    & skf18("4","5","6","7","2","6","1") = "6"
    & skf18("4","5","6","7","2","7","1") = "6"
    & skf18("4","5","6","7","2","8","1") = "7"
    & skf18("4","5","6","7","2","9","1") = "8"
    & skf18("4","5","6","7","2","10","1") = "9"
    & skf18("4","5","6","7","3","1","1") = "6"
    & skf18("4","5","6","7","3","2","1") = "6"
    & skf18("4","5","6","7","3","3","1") = "6"
    & skf18("4","5","6","7","3","4","1") = "6"
    & skf18("4","5","6","7","3","5","1") = "6"
    & skf18("4","5","6","7","3","6","1") = "6"
    & skf18("4","5","6","7","3","7","1") = "6"
    & skf18("4","5","6","7","3","8","1") = "7"
    & skf18("4","5","6","7","3","9","1") = "8"
    & skf18("4","5","6","7","3","10","1") = "9"
    & skf18("4","5","6","7","4","1","1") = "6"
    & skf18("4","5","6","7","4","2","1") = "6"
    & skf18("4","5","6","7","4","3","1") = "6"
    & skf18("4","5","6","7","4","4","1") = "6"
    & skf18("4","5","6","7","4","5","1") = "6"
    & skf18("4","5","6","7","4","6","1") = "6"
    & skf18("4","5","6","7","4","7","1") = "6"
    & skf18("4","5","6","7","4","8","1") = "7"
    & skf18("4","5","6","7","4","9","1") = "8"
    & skf18("4","5","6","7","4","10","1") = "9"
    & skf18("4","5","6","7","5","1","1") = "6"
    & skf18("4","5","6","7","5","2","1") = "6"
    & skf18("4","5","6","7","5","3","1") = "6"
    & skf18("4","5","6","7","5","4","1") = "6"
    & skf18("4","5","6","7","5","5","1") = "6"
    & skf18("4","5","6","7","5","6","1") = "6"
    & skf18("4","5","6","7","5","7","1") = "6"
    & skf18("4","5","6","7","5","8","1") = "7"
    & skf18("4","5","6","7","5","9","1") = "8"
    & skf18("4","5","6","7","5","10","1") = "9"
    & skf18("4","5","6","7","6","1","1") = "6"
    & skf18("4","5","6","7","6","2","1") = "6"
    & skf18("4","5","6","7","6","3","1") = "6"
    & skf18("4","5","6","7","6","4","1") = "6"
    & skf18("4","5","6","7","6","5","1") = "6"
    & skf18("4","5","6","7","6","6","1") = "6"
    & skf18("4","5","6","7","6","7","1") = "6"
    & skf18("4","5","6","7","6","8","1") = "7"
    & skf18("4","5","6","7","6","9","1") = "8"
    & skf18("4","5","6","7","6","10","1") = "9"
    & skf18("4","5","6","7","7","1","1") = "6"
    & skf18("4","5","6","7","7","2","1") = "6"
    & skf18("4","5","6","7","7","3","1") = "6"
    & skf18("4","5","6","7","7","4","1") = "6"
    & skf18("4","5","6","7","7","5","1") = "6"
    & skf18("4","5","6","7","7","6","1") = "6"
    & skf18("4","5","6","7","7","7","1") = "6"
    & skf18("4","5","6","7","7","8","1") = "7"
    & skf18("4","5","6","7","7","9","1") = "8"
    & skf18("4","5","6","7","7","10","1") = "9"
    & skf18("4","5","6","7","8","1","1") = "7"
    & skf18("4","5","6","7","8","2","1") = "7"
    & skf18("4","5","6","7","8","3","1") = "7"
    & skf18("4","5","6","7","8","4","1") = "7"
    & skf18("4","5","6","7","8","5","1") = "7"
    & skf18("4","5","6","7","8","6","1") = "7"
    & skf18("4","5","6","7","8","7","1") = "7"
    & skf18("4","5","6","7","8","8","1") = "7"
    & skf18("4","5","6","7","8","9","1") = "8"
    & skf18("4","5","6","7","8","10","1") = "9"
    & skf18("4","5","6","7","9","1","1") = "8"
    & skf18("4","5","6","7","9","2","1") = "8"
    & skf18("4","5","6","7","9","3","1") = "8"
    & skf18("4","5","6","7","9","4","1") = "8"
    & skf18("4","5","6","7","9","5","1") = "8"
    & skf18("4","5","6","7","9","6","1") = "8"
    & skf18("4","5","6","7","9","7","1") = "8"
    & skf18("4","5","6","7","9","8","1") = "8"
    & skf18("4","5","6","7","9","9","1") = "8"
    & skf18("4","5","6","7","9","10","1") = "9"
    & skf18("4","5","6","7","10","1","1") = "9"
    & skf18("4","5","6","7","10","2","1") = "9"
    & skf18("4","5","6","7","10","3","1") = "9"
    & skf18("4","5","6","7","10","4","1") = "9"
    & skf18("4","5","6","7","10","5","1") = "9"
    & skf18("4","5","6","7","10","6","1") = "9"
    & skf18("4","5","6","7","10","7","1") = "9"
    & skf18("4","5","6","7","10","8","1") = "9"
    & skf18("4","5","6","7","10","9","1") = "9"
    & skf18("4","5","6","7","10","10","1") = "9"
    & skf18("4","5","6","8","1","1","1") = "7"
    & skf18("4","5","6","8","1","2","1") = "7"
    & skf18("4","5","6","8","1","3","1") = "7"
    & skf18("4","5","6","8","1","4","1") = "7"
    & skf18("4","5","6","8","1","5","1") = "7"
    & skf18("4","5","6","8","1","6","1") = "7"
    & skf18("4","5","6","8","1","7","1") = "7"
    & skf18("4","5","6","8","1","8","1") = "7"
    & skf18("4","5","6","8","1","9","1") = "8"
    & skf18("4","5","6","8","1","10","1") = "9"
    & skf18("4","5","6","8","2","1","1") = "7"
    & skf18("4","5","6","8","2","2","1") = "7"
    & skf18("4","5","6","8","2","3","1") = "7"
    & skf18("4","5","6","8","2","4","1") = "7"
    & skf18("4","5","6","8","2","5","1") = "7"
    & skf18("4","5","6","8","2","6","1") = "7"
    & skf18("4","5","6","8","2","7","1") = "7"
    & skf18("4","5","6","8","2","8","1") = "7"
    & skf18("4","5","6","8","2","9","1") = "8"
    & skf18("4","5","6","8","2","10","1") = "9"
    & skf18("4","5","6","8","3","1","1") = "7"
    & skf18("4","5","6","8","3","2","1") = "7"
    & skf18("4","5","6","8","3","3","1") = "7"
    & skf18("4","5","6","8","3","4","1") = "7"
    & skf18("4","5","6","8","3","5","1") = "7"
    & skf18("4","5","6","8","3","6","1") = "7"
    & skf18("4","5","6","8","3","7","1") = "7"
    & skf18("4","5","6","8","3","8","1") = "7"
    & skf18("4","5","6","8","3","9","1") = "8"
    & skf18("4","5","6","8","3","10","1") = "9"
    & skf18("4","5","6","8","4","1","1") = "7"
    & skf18("4","5","6","8","4","2","1") = "7"
    & skf18("4","5","6","8","4","3","1") = "7"
    & skf18("4","5","6","8","4","4","1") = "7"
    & skf18("4","5","6","8","4","5","1") = "7"
    & skf18("4","5","6","8","4","6","1") = "7"
    & skf18("4","5","6","8","4","7","1") = "7"
    & skf18("4","5","6","8","4","8","1") = "7"
    & skf18("4","5","6","8","4","9","1") = "8"
    & skf18("4","5","6","8","4","10","1") = "9"
    & skf18("4","5","6","8","5","1","1") = "7"
    & skf18("4","5","6","8","5","2","1") = "7"
    & skf18("4","5","6","8","5","3","1") = "7"
    & skf18("4","5","6","8","5","4","1") = "7"
    & skf18("4","5","6","8","5","5","1") = "7"
    & skf18("4","5","6","8","5","6","1") = "7"
    & skf18("4","5","6","8","5","7","1") = "7"
    & skf18("4","5","6","8","5","8","1") = "7"
    & skf18("4","5","6","8","5","9","1") = "8"
    & skf18("4","5","6","8","5","10","1") = "9"
    & skf18("4","5","6","8","6","1","1") = "7"
    & skf18("4","5","6","8","6","2","1") = "7"
    & skf18("4","5","6","8","6","3","1") = "7"
    & skf18("4","5","6","8","6","4","1") = "7"
    & skf18("4","5","6","8","6","5","1") = "7"
    & skf18("4","5","6","8","6","6","1") = "7"
    & skf18("4","5","6","8","6","7","1") = "7"
    & skf18("4","5","6","8","6","8","1") = "7"
    & skf18("4","5","6","8","6","9","1") = "8"
    & skf18("4","5","6","8","6","10","1") = "9"
    & skf18("4","5","6","8","7","1","1") = "7"
    & skf18("4","5","6","8","7","2","1") = "7"
    & skf18("4","5","6","8","7","3","1") = "7"
    & skf18("4","5","6","8","7","4","1") = "7"
    & skf18("4","5","6","8","7","5","1") = "7"
    & skf18("4","5","6","8","7","6","1") = "7"
    & skf18("4","5","6","8","7","7","1") = "7"
    & skf18("4","5","6","8","7","8","1") = "7"
    & skf18("4","5","6","8","7","9","1") = "8"
    & skf18("4","5","6","8","7","10","1") = "9"
    & skf18("4","5","6","8","8","1","1") = "7"
    & skf18("4","5","6","8","8","2","1") = "7"
    & skf18("4","5","6","8","8","3","1") = "7"
    & skf18("4","5","6","8","8","4","1") = "7"
    & skf18("4","5","6","8","8","5","1") = "7"
    & skf18("4","5","6","8","8","6","1") = "7"
    & skf18("4","5","6","8","8","7","1") = "7"
    & skf18("4","5","6","8","8","8","1") = "7"
    & skf18("4","5","6","8","8","9","1") = "8"
    & skf18("4","5","6","8","8","10","1") = "9"
    & skf18("4","5","6","8","9","1","1") = "8"
    & skf18("4","5","6","8","9","2","1") = "8"
    & skf18("4","5","6","8","9","3","1") = "8"
    & skf18("4","5","6","8","9","4","1") = "8"
    & skf18("4","5","6","8","9","5","1") = "8"
    & skf18("4","5","6","8","9","6","1") = "8"
    & skf18("4","5","6","8","9","7","1") = "8"
    & skf18("4","5","6","8","9","8","1") = "8"
    & skf18("4","5","6","8","9","9","1") = "8"
    & skf18("4","5","6","8","9","10","1") = "9"
    & skf18("4","5","6","8","10","1","1") = "9"
    & skf18("4","5","6","8","10","2","1") = "9"
    & skf18("4","5","6","8","10","3","1") = "9"
    & skf18("4","5","6","8","10","4","1") = "9"
    & skf18("4","5","6","8","10","5","1") = "9"
    & skf18("4","5","6","8","10","6","1") = "9"
    & skf18("4","5","6","8","10","7","1") = "9"
    & skf18("4","5","6","8","10","8","1") = "9"
    & skf18("4","5","6","8","10","9","1") = "9"
    & skf18("4","5","6","8","10","10","1") = "9"
    & skf18("4","5","6","9","1","1","1") = "8"
    & skf18("4","5","6","9","1","2","1") = "8"
    & skf18("4","5","6","9","1","3","1") = "8"
    & skf18("4","5","6","9","1","4","1") = "8"
    & skf18("4","5","6","9","1","5","1") = "8"
    & skf18("4","5","6","9","1","6","1") = "8"
    & skf18("4","5","6","9","1","7","1") = "8"
    & skf18("4","5","6","9","1","8","1") = "8"
    & skf18("4","5","6","9","1","9","1") = "8"
    & skf18("4","5","6","9","1","10","1") = "9"
    & skf18("4","5","6","9","2","1","1") = "8"
    & skf18("4","5","6","9","2","2","1") = "8"
    & skf18("4","5","6","9","2","3","1") = "8"
    & skf18("4","5","6","9","2","4","1") = "8"
    & skf18("4","5","6","9","2","5","1") = "8"
    & skf18("4","5","6","9","2","6","1") = "8"
    & skf18("4","5","6","9","2","7","1") = "8"
    & skf18("4","5","6","9","2","8","1") = "8"
    & skf18("4","5","6","9","2","9","1") = "8"
    & skf18("4","5","6","9","2","10","1") = "9"
    & skf18("4","5","6","9","3","1","1") = "8"
    & skf18("4","5","6","9","3","2","1") = "8"
    & skf18("4","5","6","9","3","3","1") = "8"
    & skf18("4","5","6","9","3","4","1") = "8"
    & skf18("4","5","6","9","3","5","1") = "8"
    & skf18("4","5","6","9","3","6","1") = "8"
    & skf18("4","5","6","9","3","7","1") = "8"
    & skf18("4","5","6","9","3","8","1") = "8"
    & skf18("4","5","6","9","3","9","1") = "8"
    & skf18("4","5","6","9","3","10","1") = "9"
    & skf18("4","5","6","9","4","1","1") = "8"
    & skf18("4","5","6","9","4","2","1") = "8"
    & skf18("4","5","6","9","4","3","1") = "8"
    & skf18("4","5","6","9","4","4","1") = "8"
    & skf18("4","5","6","9","4","5","1") = "8"
    & skf18("4","5","6","9","4","6","1") = "8"
    & skf18("4","5","6","9","4","7","1") = "8"
    & skf18("4","5","6","9","4","8","1") = "8"
    & skf18("4","5","6","9","4","9","1") = "8"
    & skf18("4","5","6","9","4","10","1") = "9"
    & skf18("4","5","6","9","5","1","1") = "8"
    & skf18("4","5","6","9","5","2","1") = "8"
    & skf18("4","5","6","9","5","3","1") = "8"
    & skf18("4","5","6","9","5","4","1") = "8"
    & skf18("4","5","6","9","5","5","1") = "8"
    & skf18("4","5","6","9","5","6","1") = "8"
    & skf18("4","5","6","9","5","7","1") = "8"
    & skf18("4","5","6","9","5","8","1") = "8"
    & skf18("4","5","6","9","5","9","1") = "8"
    & skf18("4","5","6","9","5","10","1") = "9"
    & skf18("4","5","6","9","6","1","1") = "8"
    & skf18("4","5","6","9","6","2","1") = "8"
    & skf18("4","5","6","9","6","3","1") = "8"
    & skf18("4","5","6","9","6","4","1") = "8"
    & skf18("4","5","6","9","6","5","1") = "8"
    & skf18("4","5","6","9","6","6","1") = "8"
    & skf18("4","5","6","9","6","7","1") = "8"
    & skf18("4","5","6","9","6","8","1") = "8"
    & skf18("4","5","6","9","6","9","1") = "8"
    & skf18("4","5","6","9","6","10","1") = "9"
    & skf18("4","5","6","9","7","1","1") = "8"
    & skf18("4","5","6","9","7","2","1") = "8"
    & skf18("4","5","6","9","7","3","1") = "8"
    & skf18("4","5","6","9","7","4","1") = "8"
    & skf18("4","5","6","9","7","5","1") = "8"
    & skf18("4","5","6","9","7","6","1") = "8"
    & skf18("4","5","6","9","7","7","1") = "8"
    & skf18("4","5","6","9","7","8","1") = "8"
    & skf18("4","5","6","9","7","9","1") = "8"
    & skf18("4","5","6","9","7","10","1") = "9"
    & skf18("4","5","6","9","8","1","1") = "8"
    & skf18("4","5","6","9","8","2","1") = "8"
    & skf18("4","5","6","9","8","3","1") = "8"
    & skf18("4","5","6","9","8","4","1") = "8"
    & skf18("4","5","6","9","8","5","1") = "8"
    & skf18("4","5","6","9","8","6","1") = "8"
    & skf18("4","5","6","9","8","7","1") = "8"
    & skf18("4","5","6","9","8","8","1") = "8"
    & skf18("4","5","6","9","8","9","1") = "8"
    & skf18("4","5","6","9","8","10","1") = "9"
    & skf18("4","5","6","9","9","1","1") = "8"
    & skf18("4","5","6","9","9","2","1") = "8"
    & skf18("4","5","6","9","9","3","1") = "8"
    & skf18("4","5","6","9","9","4","1") = "8"
    & skf18("4","5","6","9","9","5","1") = "8"
    & skf18("4","5","6","9","9","6","1") = "8"
    & skf18("4","5","6","9","9","7","1") = "8"
    & skf18("4","5","6","9","9","8","1") = "8"
    & skf18("4","5","6","9","9","9","1") = "8"
    & skf18("4","5","6","9","9","10","1") = "9"
    & skf18("4","5","6","9","10","1","1") = "9"
    & skf18("4","5","6","9","10","2","1") = "9"
    & skf18("4","5","6","9","10","3","1") = "9"
    & skf18("4","5","6","9","10","4","1") = "9"
    & skf18("4","5","6","9","10","5","1") = "9"
    & skf18("4","5","6","9","10","6","1") = "9"
    & skf18("4","5","6","9","10","7","1") = "9"
    & skf18("4","5","6","9","10","8","1") = "9"
    & skf18("4","5","6","9","10","9","1") = "9"
    & skf18("4","5","6","9","10","10","1") = "9"
    & skf18("4","5","6","10","1","1","1") = "9"
    & skf18("4","5","6","10","1","2","1") = "9"
    & skf18("4","5","6","10","1","3","1") = "9"
    & skf18("4","5","6","10","1","4","1") = "9"
    & skf18("4","5","6","10","1","5","1") = "9"
    & skf18("4","5","6","10","1","6","1") = "9"
    & skf18("4","5","6","10","1","7","1") = "9"
    & skf18("4","5","6","10","1","8","1") = "9"
    & skf18("4","5","6","10","1","9","1") = "9"
    & skf18("4","5","6","10","1","10","1") = "9"
    & skf18("4","5","6","10","2","1","1") = "9"
    & skf18("4","5","6","10","2","2","1") = "9"
    & skf18("4","5","6","10","2","3","1") = "9"
    & skf18("4","5","6","10","2","4","1") = "9"
    & skf18("4","5","6","10","2","5","1") = "9"
    & skf18("4","5","6","10","2","6","1") = "9"
    & skf18("4","5","6","10","2","7","1") = "9"
    & skf18("4","5","6","10","2","8","1") = "9"
    & skf18("4","5","6","10","2","9","1") = "9"
    & skf18("4","5","6","10","2","10","1") = "9"
    & skf18("4","5","6","10","3","1","1") = "9"
    & skf18("4","5","6","10","3","2","1") = "9"
    & skf18("4","5","6","10","3","3","1") = "9"
    & skf18("4","5","6","10","3","4","1") = "9"
    & skf18("4","5","6","10","3","5","1") = "9"
    & skf18("4","5","6","10","3","6","1") = "9"
    & skf18("4","5","6","10","3","7","1") = "9"
    & skf18("4","5","6","10","3","8","1") = "9"
    & skf18("4","5","6","10","3","9","1") = "9"
    & skf18("4","5","6","10","3","10","1") = "9"
    & skf18("4","5","6","10","4","1","1") = "9"
    & skf18("4","5","6","10","4","2","1") = "9"
    & skf18("4","5","6","10","4","3","1") = "9"
    & skf18("4","5","6","10","4","4","1") = "9"
    & skf18("4","5","6","10","4","5","1") = "9"
    & skf18("4","5","6","10","4","6","1") = "9"
    & skf18("4","5","6","10","4","7","1") = "9"
    & skf18("4","5","6","10","4","8","1") = "9"
    & skf18("4","5","6","10","4","9","1") = "9"
    & skf18("4","5","6","10","4","10","1") = "9"
    & skf18("4","5","6","10","5","1","1") = "9"
    & skf18("4","5","6","10","5","2","1") = "9"
    & skf18("4","5","6","10","5","3","1") = "9"
    & skf18("4","5","6","10","5","4","1") = "9"
    & skf18("4","5","6","10","5","5","1") = "9"
    & skf18("4","5","6","10","5","6","1") = "9"
    & skf18("4","5","6","10","5","7","1") = "9"
    & skf18("4","5","6","10","5","8","1") = "9"
    & skf18("4","5","6","10","5","9","1") = "9"
    & skf18("4","5","6","10","5","10","1") = "9"
    & skf18("4","5","6","10","6","1","1") = "9"
    & skf18("4","5","6","10","6","2","1") = "9"
    & skf18("4","5","6","10","6","3","1") = "9"
    & skf18("4","5","6","10","6","4","1") = "9"
    & skf18("4","5","6","10","6","5","1") = "9"
    & skf18("4","5","6","10","6","6","1") = "9"
    & skf18("4","5","6","10","6","7","1") = "9"
    & skf18("4","5","6","10","6","8","1") = "9"
    & skf18("4","5","6","10","6","9","1") = "9"
    & skf18("4","5","6","10","6","10","1") = "9"
    & skf18("4","5","6","10","7","1","1") = "9"
    & skf18("4","5","6","10","7","2","1") = "9"
    & skf18("4","5","6","10","7","3","1") = "9"
    & skf18("4","5","6","10","7","4","1") = "9"
    & skf18("4","5","6","10","7","5","1") = "9"
    & skf18("4","5","6","10","7","6","1") = "9"
    & skf18("4","5","6","10","7","7","1") = "9"
    & skf18("4","5","6","10","7","8","1") = "9"
    & skf18("4","5","6","10","7","9","1") = "9"
    & skf18("4","5","6","10","7","10","1") = "9"
    & skf18("4","5","6","10","8","1","1") = "9"
    & skf18("4","5","6","10","8","2","1") = "9"
    & skf18("4","5","6","10","8","3","1") = "9"
    & skf18("4","5","6","10","8","4","1") = "9"
    & skf18("4","5","6","10","8","5","1") = "9"
    & skf18("4","5","6","10","8","6","1") = "9"
    & skf18("4","5","6","10","8","7","1") = "9"
    & skf18("4","5","6","10","8","8","1") = "9"
    & skf18("4","5","6","10","8","9","1") = "9"
    & skf18("4","5","6","10","8","10","1") = "9"
    & skf18("4","5","6","10","9","1","1") = "9"
    & skf18("4","5","6","10","9","2","1") = "9"
    & skf18("4","5","6","10","9","3","1") = "9"
    & skf18("4","5","6","10","9","4","1") = "9"
    & skf18("4","5","6","10","9","5","1") = "9"
    & skf18("4","5","6","10","9","6","1") = "9"
    & skf18("4","5","6","10","9","7","1") = "9"
    & skf18("4","5","6","10","9","8","1") = "9"
    & skf18("4","5","6","10","9","9","1") = "9"
    & skf18("4","5","6","10","9","10","1") = "9"
    & skf18("4","5","6","10","10","1","1") = "9"
    & skf18("4","5","6","10","10","2","1") = "9"
    & skf18("4","5","6","10","10","3","1") = "9"
    & skf18("4","5","6","10","10","4","1") = "9"
    & skf18("4","5","6","10","10","5","1") = "9"
    & skf18("4","5","6","10","10","6","1") = "9"
    & skf18("4","5","6","10","10","7","1") = "9"
    & skf18("4","5","6","10","10","8","1") = "9"
    & skf18("4","5","6","10","10","9","1") = "9"
    & skf18("4","5","6","10","10","10","1") = "9"
    & skf18("4","5","7","1","1","1","1") = "6"
    & skf18("4","5","7","1","1","2","1") = "6"
    & skf18("4","5","7","1","1","3","1") = "6"
    & skf18("4","5","7","1","1","4","1") = "6"
    & skf18("4","5","7","1","1","5","1") = "6"
    & skf18("4","5","7","1","1","6","1") = "6"
    & skf18("4","5","7","1","1","7","1") = "6"
    & skf18("4","5","7","1","1","8","1") = "7"
    & skf18("4","5","7","1","1","9","1") = "8"
    & skf18("4","5","7","1","1","10","1") = "9"
    & skf18("4","5","7","1","2","1","1") = "6"
    & skf18("4","5","7","1","2","2","1") = "6"
    & skf18("4","5","7","1","2","3","1") = "6"
    & skf18("4","5","7","1","2","4","1") = "6"
    & skf18("4","5","7","1","2","5","1") = "6"
    & skf18("4","5","7","1","2","6","1") = "6"
    & skf18("4","5","7","1","2","7","1") = "6"
    & skf18("4","5","7","1","2","8","1") = "7"
    & skf18("4","5","7","1","2","9","1") = "8"
    & skf18("4","5","7","1","2","10","1") = "9"
    & skf18("4","5","7","1","3","1","1") = "6"
    & skf18("4","5","7","1","3","2","1") = "6"
    & skf18("4","5","7","1","3","3","1") = "6"
    & skf18("4","5","7","1","3","4","1") = "6"
    & skf18("4","5","7","1","3","5","1") = "6"
    & skf18("4","5","7","1","3","6","1") = "6"
    & skf18("4","5","7","1","3","7","1") = "6"
    & skf18("4","5","7","1","3","8","1") = "7"
    & skf18("4","5","7","1","3","9","1") = "8"
    & skf18("4","5","7","1","3","10","1") = "9"
    & skf18("4","5","7","1","4","1","1") = "6"
    & skf18("4","5","7","1","4","2","1") = "6"
    & skf18("4","5","7","1","4","3","1") = "6"
    & skf18("4","5","7","1","4","4","1") = "6"
    & skf18("4","5","7","1","4","5","1") = "6"
    & skf18("4","5","7","1","4","6","1") = "6"
    & skf18("4","5","7","1","4","7","1") = "6"
    & skf18("4","5","7","1","4","8","1") = "7"
    & skf18("4","5","7","1","4","9","1") = "8"
    & skf18("4","5","7","1","4","10","1") = "9"
    & skf18("4","5","7","1","5","1","1") = "6"
    & skf18("4","5","7","1","5","2","1") = "6"
    & skf18("4","5","7","1","5","3","1") = "6"
    & skf18("4","5","7","1","5","4","1") = "6"
    & skf18("4","5","7","1","5","5","1") = "6"
    & skf18("4","5","7","1","5","6","1") = "6"
    & skf18("4","5","7","1","5","7","1") = "6"
    & skf18("4","5","7","1","5","8","1") = "7"
    & skf18("4","5","7","1","5","9","1") = "8"
    & skf18("4","5","7","1","5","10","1") = "9"
    & skf18("4","5","7","1","6","1","1") = "6"
    & skf18("4","5","7","1","6","2","1") = "6"
    & skf18("4","5","7","1","6","3","1") = "6"
    & skf18("4","5","7","1","6","4","1") = "6"
    & skf18("4","5","7","1","6","5","1") = "6"
    & skf18("4","5","7","1","6","6","1") = "6"
    & skf18("4","5","7","1","6","7","1") = "6"
    & skf18("4","5","7","1","6","8","1") = "7"
    & skf18("4","5","7","1","6","9","1") = "8"
    & skf18("4","5","7","1","6","10","1") = "9"
    & skf18("4","5","7","1","7","1","1") = "6"
    & skf18("4","5","7","1","7","2","1") = "6"
    & skf18("4","5","7","1","7","3","1") = "6"
    & skf18("4","5","7","1","7","4","1") = "6"
    & skf18("4","5","7","1","7","5","1") = "6"
    & skf18("4","5","7","1","7","6","1") = "6"
    & skf18("4","5","7","1","7","7","1") = "6"
    & skf18("4","5","7","1","7","8","1") = "7"
    & skf18("4","5","7","1","7","9","1") = "8"
    & skf18("4","5","7","1","7","10","1") = "9"
    & skf18("4","5","7","1","8","1","1") = "7"
    & skf18("4","5","7","1","8","2","1") = "7"
    & skf18("4","5","7","1","8","3","1") = "7"
    & skf18("4","5","7","1","8","4","1") = "7"
    & skf18("4","5","7","1","8","5","1") = "7"
    & skf18("4","5","7","1","8","6","1") = "7"
    & skf18("4","5","7","1","8","7","1") = "7"
    & skf18("4","5","7","1","8","8","1") = "7"
    & skf18("4","5","7","1","8","9","1") = "8"
    & skf18("4","5","7","1","8","10","1") = "9"
    & skf18("4","5","7","1","9","1","1") = "8"
    & skf18("4","5","7","1","9","2","1") = "8"
    & skf18("4","5","7","1","9","3","1") = "8"
    & skf18("4","5","7","1","9","4","1") = "8"
    & skf18("4","5","7","1","9","5","1") = "8"
    & skf18("4","5","7","1","9","6","1") = "8"
    & skf18("4","5","7","1","9","7","1") = "8"
    & skf18("4","5","7","1","9","8","1") = "8"
    & skf18("4","5","7","1","9","9","1") = "8"
    & skf18("4","5","7","1","9","10","1") = "9"
    & skf18("4","5","7","1","10","1","1") = "9"
    & skf18("4","5","7","1","10","2","1") = "9"
    & skf18("4","5","7","1","10","3","1") = "9"
    & skf18("4","5","7","1","10","4","1") = "9"
    & skf18("4","5","7","1","10","5","1") = "9"
    & skf18("4","5","7","1","10","6","1") = "9"
    & skf18("4","5","7","1","10","7","1") = "9"
    & skf18("4","5","7","1","10","8","1") = "9"
    & skf18("4","5","7","1","10","9","1") = "9"
    & skf18("4","5","7","1","10","10","1") = "9"
    & skf18("4","5","7","2","1","1","1") = "6"
    & skf18("4","5","7","2","1","2","1") = "6"
    & skf18("4","5","7","2","1","3","1") = "6"
    & skf18("4","5","7","2","1","4","1") = "6"
    & skf18("4","5","7","2","1","5","1") = "6"
    & skf18("4","5","7","2","1","6","1") = "6"
    & skf18("4","5","7","2","1","7","1") = "6"
    & skf18("4","5","7","2","1","8","1") = "7"
    & skf18("4","5","7","2","1","9","1") = "8"
    & skf18("4","5","7","2","1","10","1") = "9"
    & skf18("4","5","7","2","2","1","1") = "6"
    & skf18("4","5","7","2","2","2","1") = "6"
    & skf18("4","5","7","2","2","3","1") = "6"
    & skf18("4","5","7","2","2","4","1") = "6"
    & skf18("4","5","7","2","2","5","1") = "6"
    & skf18("4","5","7","2","2","6","1") = "6"
    & skf18("4","5","7","2","2","7","1") = "6"
    & skf18("4","5","7","2","2","8","1") = "7"
    & skf18("4","5","7","2","2","9","1") = "8"
    & skf18("4","5","7","2","2","10","1") = "9"
    & skf18("4","5","7","2","3","1","1") = "6"
    & skf18("4","5","7","2","3","2","1") = "6"
    & skf18("4","5","7","2","3","3","1") = "6"
    & skf18("4","5","7","2","3","4","1") = "6"
    & skf18("4","5","7","2","3","5","1") = "6"
    & skf18("4","5","7","2","3","6","1") = "6"
    & skf18("4","5","7","2","3","7","1") = "6"
    & skf18("4","5","7","2","3","8","1") = "7"
    & skf18("4","5","7","2","3","9","1") = "8"
    & skf18("4","5","7","2","3","10","1") = "9"
    & skf18("4","5","7","2","4","1","1") = "6"
    & skf18("4","5","7","2","4","2","1") = "6"
    & skf18("4","5","7","2","4","3","1") = "6"
    & skf18("4","5","7","2","4","4","1") = "6"
    & skf18("4","5","7","2","4","5","1") = "6"
    & skf18("4","5","7","2","4","6","1") = "6"
    & skf18("4","5","7","2","4","7","1") = "6"
    & skf18("4","5","7","2","4","8","1") = "7"
    & skf18("4","5","7","2","4","9","1") = "8"
    & skf18("4","5","7","2","4","10","1") = "9"
    & skf18("4","5","7","2","5","1","1") = "6"
    & skf18("4","5","7","2","5","2","1") = "6"
    & skf18("4","5","7","2","5","3","1") = "6"
    & skf18("4","5","7","2","5","4","1") = "6"
    & skf18("4","5","7","2","5","5","1") = "6"
    & skf18("4","5","7","2","5","6","1") = "6"
    & skf18("4","5","7","2","5","7","1") = "6"
    & skf18("4","5","7","2","5","8","1") = "7"
    & skf18("4","5","7","2","5","9","1") = "8"
    & skf18("4","5","7","2","5","10","1") = "9"
    & skf18("4","5","7","2","6","1","1") = "6"
    & skf18("4","5","7","2","6","2","1") = "6"
    & skf18("4","5","7","2","6","3","1") = "6"
    & skf18("4","5","7","2","6","4","1") = "6"
    & skf18("4","5","7","2","6","5","1") = "6"
    & skf18("4","5","7","2","6","6","1") = "6"
    & skf18("4","5","7","2","6","7","1") = "6"
    & skf18("4","5","7","2","6","8","1") = "7"
    & skf18("4","5","7","2","6","9","1") = "8"
    & skf18("4","5","7","2","6","10","1") = "9"
    & skf18("4","5","7","2","7","1","1") = "6"
    & skf18("4","5","7","2","7","2","1") = "6"
    & skf18("4","5","7","2","7","3","1") = "6"
    & skf18("4","5","7","2","7","4","1") = "6"
    & skf18("4","5","7","2","7","5","1") = "6"
    & skf18("4","5","7","2","7","6","1") = "6"
    & skf18("4","5","7","2","7","7","1") = "6"
    & skf18("4","5","7","2","7","8","1") = "7"
    & skf18("4","5","7","2","7","9","1") = "8"
    & skf18("4","5","7","2","7","10","1") = "9"
    & skf18("4","5","7","2","8","1","1") = "7"
    & skf18("4","5","7","2","8","2","1") = "7"
    & skf18("4","5","7","2","8","3","1") = "7"
    & skf18("4","5","7","2","8","4","1") = "7"
    & skf18("4","5","7","2","8","5","1") = "7"
    & skf18("4","5","7","2","8","6","1") = "7"
    & skf18("4","5","7","2","8","7","1") = "7"
    & skf18("4","5","7","2","8","8","1") = "7"
    & skf18("4","5","7","2","8","9","1") = "8"
    & skf18("4","5","7","2","8","10","1") = "9"
    & skf18("4","5","7","2","9","1","1") = "8"
    & skf18("4","5","7","2","9","2","1") = "8"
    & skf18("4","5","7","2","9","3","1") = "8"
    & skf18("4","5","7","2","9","4","1") = "8"
    & skf18("4","5","7","2","9","5","1") = "8"
    & skf18("4","5","7","2","9","6","1") = "8"
    & skf18("4","5","7","2","9","7","1") = "8"
    & skf18("4","5","7","2","9","8","1") = "8"
    & skf18("4","5","7","2","9","9","1") = "8"
    & skf18("4","5","7","2","9","10","1") = "9"
    & skf18("4","5","7","2","10","1","1") = "9"
    & skf18("4","5","7","2","10","2","1") = "9"
    & skf18("4","5","7","2","10","3","1") = "9"
    & skf18("4","5","7","2","10","4","1") = "9"
    & skf18("4","5","7","2","10","5","1") = "9"
    & skf18("4","5","7","2","10","6","1") = "9"
    & skf18("4","5","7","2","10","7","1") = "9"
    & skf18("4","5","7","2","10","8","1") = "9"
    & skf18("4","5","7","2","10","9","1") = "9"
    & skf18("4","5","7","2","10","10","1") = "9"
    & skf18("4","5","7","3","1","1","1") = "6"
    & skf18("4","5","7","3","1","2","1") = "6"
    & skf18("4","5","7","3","1","3","1") = "6"
    & skf18("4","5","7","3","1","4","1") = "6"
    & skf18("4","5","7","3","1","5","1") = "6"
    & skf18("4","5","7","3","1","6","1") = "6"
    & skf18("4","5","7","3","1","7","1") = "6"
    & skf18("4","5","7","3","1","8","1") = "7"
    & skf18("4","5","7","3","1","9","1") = "8"
    & skf18("4","5","7","3","1","10","1") = "9"
    & skf18("4","5","7","3","2","1","1") = "6"
    & skf18("4","5","7","3","2","2","1") = "6"
    & skf18("4","5","7","3","2","3","1") = "6"
    & skf18("4","5","7","3","2","4","1") = "6"
    & skf18("4","5","7","3","2","5","1") = "6"
    & skf18("4","5","7","3","2","6","1") = "6"
    & skf18("4","5","7","3","2","7","1") = "6"
    & skf18("4","5","7","3","2","8","1") = "7"
    & skf18("4","5","7","3","2","9","1") = "8"
    & skf18("4","5","7","3","2","10","1") = "9"
    & skf18("4","5","7","3","3","1","1") = "6"
    & skf18("4","5","7","3","3","2","1") = "6"
    & skf18("4","5","7","3","3","3","1") = "6"
    & skf18("4","5","7","3","3","4","1") = "6"
    & skf18("4","5","7","3","3","5","1") = "6"
    & skf18("4","5","7","3","3","6","1") = "6"
    & skf18("4","5","7","3","3","7","1") = "6"
    & skf18("4","5","7","3","3","8","1") = "7"
    & skf18("4","5","7","3","3","9","1") = "8"
    & skf18("4","5","7","3","3","10","1") = "9"
    & skf18("4","5","7","3","4","1","1") = "6"
    & skf18("4","5","7","3","4","2","1") = "6"
    & skf18("4","5","7","3","4","3","1") = "6"
    & skf18("4","5","7","3","4","4","1") = "6"
    & skf18("4","5","7","3","4","5","1") = "6"
    & skf18("4","5","7","3","4","6","1") = "6"
    & skf18("4","5","7","3","4","7","1") = "6"
    & skf18("4","5","7","3","4","8","1") = "7"
    & skf18("4","5","7","3","4","9","1") = "8"
    & skf18("4","5","7","3","4","10","1") = "9"
    & skf18("4","5","7","3","5","1","1") = "6"
    & skf18("4","5","7","3","5","2","1") = "6"
    & skf18("4","5","7","3","5","3","1") = "6"
    & skf18("4","5","7","3","5","4","1") = "6"
    & skf18("4","5","7","3","5","5","1") = "6"
    & skf18("4","5","7","3","5","6","1") = "6"
    & skf18("4","5","7","3","5","7","1") = "6"
    & skf18("4","5","7","3","5","8","1") = "7"
    & skf18("4","5","7","3","5","9","1") = "8"
    & skf18("4","5","7","3","5","10","1") = "9"
    & skf18("4","5","7","3","6","1","1") = "6"
    & skf18("4","5","7","3","6","2","1") = "6"
    & skf18("4","5","7","3","6","3","1") = "6"
    & skf18("4","5","7","3","6","4","1") = "6"
    & skf18("4","5","7","3","6","5","1") = "6"
    & skf18("4","5","7","3","6","6","1") = "6"
    & skf18("4","5","7","3","6","7","1") = "6"
    & skf18("4","5","7","3","6","8","1") = "7"
    & skf18("4","5","7","3","6","9","1") = "8"
    & skf18("4","5","7","3","6","10","1") = "9"
    & skf18("4","5","7","3","7","1","1") = "6"
    & skf18("4","5","7","3","7","2","1") = "6"
    & skf18("4","5","7","3","7","3","1") = "6"
    & skf18("4","5","7","3","7","4","1") = "6"
    & skf18("4","5","7","3","7","5","1") = "6"
    & skf18("4","5","7","3","7","6","1") = "6"
    & skf18("4","5","7","3","7","7","1") = "6"
    & skf18("4","5","7","3","7","8","1") = "7"
    & skf18("4","5","7","3","7","9","1") = "8"
    & skf18("4","5","7","3","7","10","1") = "9"
    & skf18("4","5","7","3","8","1","1") = "7"
    & skf18("4","5","7","3","8","2","1") = "7"
    & skf18("4","5","7","3","8","3","1") = "7"
    & skf18("4","5","7","3","8","4","1") = "7"
    & skf18("4","5","7","3","8","5","1") = "7"
    & skf18("4","5","7","3","8","6","1") = "7"
    & skf18("4","5","7","3","8","7","1") = "7"
    & skf18("4","5","7","3","8","8","1") = "7"
    & skf18("4","5","7","3","8","9","1") = "8"
    & skf18("4","5","7","3","8","10","1") = "9"
    & skf18("4","5","7","3","9","1","1") = "8"
    & skf18("4","5","7","3","9","2","1") = "8"
    & skf18("4","5","7","3","9","3","1") = "8"
    & skf18("4","5","7","3","9","4","1") = "8"
    & skf18("4","5","7","3","9","5","1") = "8"
    & skf18("4","5","7","3","9","6","1") = "8"
    & skf18("4","5","7","3","9","7","1") = "8"
    & skf18("4","5","7","3","9","8","1") = "8"
    & skf18("4","5","7","3","9","9","1") = "8"
    & skf18("4","5","7","3","9","10","1") = "9"
    & skf18("4","5","7","3","10","1","1") = "9"
    & skf18("4","5","7","3","10","2","1") = "9"
    & skf18("4","5","7","3","10","3","1") = "9"
    & skf18("4","5","7","3","10","4","1") = "9"
    & skf18("4","5","7","3","10","5","1") = "9"
    & skf18("4","5","7","3","10","6","1") = "9"
    & skf18("4","5","7","3","10","7","1") = "9"
    & skf18("4","5","7","3","10","8","1") = "9"
    & skf18("4","5","7","3","10","9","1") = "9"
    & skf18("4","5","7","3","10","10","1") = "9"
    & skf18("4","5","7","4","1","1","1") = "6"
    & skf18("4","5","7","4","1","2","1") = "6"
    & skf18("4","5","7","4","1","3","1") = "6"
    & skf18("4","5","7","4","1","4","1") = "6"
    & skf18("4","5","7","4","1","5","1") = "6"
    & skf18("4","5","7","4","1","6","1") = "6"
    & skf18("4","5","7","4","1","7","1") = "6"
    & skf18("4","5","7","4","1","8","1") = "7"
    & skf18("4","5","7","4","1","9","1") = "8"
    & skf18("4","5","7","4","1","10","1") = "9"
    & skf18("4","5","7","4","2","1","1") = "6"
    & skf18("4","5","7","4","2","2","1") = "6"
    & skf18("4","5","7","4","2","3","1") = "6"
    & skf18("4","5","7","4","2","4","1") = "6"
    & skf18("4","5","7","4","2","5","1") = "6"
    & skf18("4","5","7","4","2","6","1") = "6"
    & skf18("4","5","7","4","2","7","1") = "6"
    & skf18("4","5","7","4","2","8","1") = "7"
    & skf18("4","5","7","4","2","9","1") = "8"
    & skf18("4","5","7","4","2","10","1") = "9"
    & skf18("4","5","7","4","3","1","1") = "6"
    & skf18("4","5","7","4","3","2","1") = "6"
    & skf18("4","5","7","4","3","3","1") = "6"
    & skf18("4","5","7","4","3","4","1") = "6"
    & skf18("4","5","7","4","3","5","1") = "6"
    & skf18("4","5","7","4","3","6","1") = "6"
    & skf18("4","5","7","4","3","7","1") = "6"
    & skf18("4","5","7","4","3","8","1") = "7"
    & skf18("4","5","7","4","3","9","1") = "8"
    & skf18("4","5","7","4","3","10","1") = "9"
    & skf18("4","5","7","4","4","1","1") = "6"
    & skf18("4","5","7","4","4","2","1") = "6"
    & skf18("4","5","7","4","4","3","1") = "6"
    & skf18("4","5","7","4","4","4","1") = "6"
    & skf18("4","5","7","4","4","5","1") = "6"
    & skf18("4","5","7","4","4","6","1") = "6"
    & skf18("4","5","7","4","4","7","1") = "6"
    & skf18("4","5","7","4","4","8","1") = "7"
    & skf18("4","5","7","4","4","9","1") = "8"
    & skf18("4","5","7","4","4","10","1") = "9"
    & skf18("4","5","7","4","5","1","1") = "6"
    & skf18("4","5","7","4","5","2","1") = "6"
    & skf18("4","5","7","4","5","3","1") = "6"
    & skf18("4","5","7","4","5","4","1") = "6"
    & skf18("4","5","7","4","5","5","1") = "6"
    & skf18("4","5","7","4","5","6","1") = "6"
    & skf18("4","5","7","4","5","7","1") = "6"
    & skf18("4","5","7","4","5","8","1") = "7"
    & skf18("4","5","7","4","5","9","1") = "8"
    & skf18("4","5","7","4","5","10","1") = "9"
    & skf18("4","5","7","4","6","1","1") = "6"
    & skf18("4","5","7","4","6","2","1") = "6"
    & skf18("4","5","7","4","6","3","1") = "6"
    & skf18("4","5","7","4","6","4","1") = "6"
    & skf18("4","5","7","4","6","5","1") = "6"
    & skf18("4","5","7","4","6","6","1") = "6"
    & skf18("4","5","7","4","6","7","1") = "6"
    & skf18("4","5","7","4","6","8","1") = "7"
    & skf18("4","5","7","4","6","9","1") = "8"
    & skf18("4","5","7","4","6","10","1") = "9"
    & skf18("4","5","7","4","7","1","1") = "6"
    & skf18("4","5","7","4","7","2","1") = "6"
    & skf18("4","5","7","4","7","3","1") = "6"
    & skf18("4","5","7","4","7","4","1") = "6"
    & skf18("4","5","7","4","7","5","1") = "6"
    & skf18("4","5","7","4","7","6","1") = "6"
    & skf18("4","5","7","4","7","7","1") = "6"
    & skf18("4","5","7","4","7","8","1") = "7"
    & skf18("4","5","7","4","7","9","1") = "8"
    & skf18("4","5","7","4","7","10","1") = "9"
    & skf18("4","5","7","4","8","1","1") = "7"
    & skf18("4","5","7","4","8","2","1") = "7"
    & skf18("4","5","7","4","8","3","1") = "7"
    & skf18("4","5","7","4","8","4","1") = "7"
    & skf18("4","5","7","4","8","5","1") = "7"
    & skf18("4","5","7","4","8","6","1") = "7"
    & skf18("4","5","7","4","8","7","1") = "7"
    & skf18("4","5","7","4","8","8","1") = "7"
    & skf18("4","5","7","4","8","9","1") = "8"
    & skf18("4","5","7","4","8","10","1") = "9"
    & skf18("4","5","7","4","9","1","1") = "8"
    & skf18("4","5","7","4","9","2","1") = "8"
    & skf18("4","5","7","4","9","3","1") = "8"
    & skf18("4","5","7","4","9","4","1") = "8"
    & skf18("4","5","7","4","9","5","1") = "8"
    & skf18("4","5","7","4","9","6","1") = "8"
    & skf18("4","5","7","4","9","7","1") = "8"
    & skf18("4","5","7","4","9","8","1") = "8"
    & skf18("4","5","7","4","9","9","1") = "8"
    & skf18("4","5","7","4","9","10","1") = "9"
    & skf18("4","5","7","4","10","1","1") = "9"
    & skf18("4","5","7","4","10","2","1") = "9"
    & skf18("4","5","7","4","10","3","1") = "9"
    & skf18("4","5","7","4","10","4","1") = "9"
    & skf18("4","5","7","4","10","5","1") = "9"
    & skf18("4","5","7","4","10","6","1") = "9"
    & skf18("4","5","7","4","10","7","1") = "9"
    & skf18("4","5","7","4","10","8","1") = "9"
    & skf18("4","5","7","4","10","9","1") = "9"
    & skf18("4","5","7","4","10","10","1") = "9"
    & skf18("4","5","7","5","1","1","1") = "6"
    & skf18("4","5","7","5","1","2","1") = "6"
    & skf18("4","5","7","5","1","3","1") = "6"
    & skf18("4","5","7","5","1","4","1") = "6"
    & skf18("4","5","7","5","1","5","1") = "6"
    & skf18("4","5","7","5","1","6","1") = "6"
    & skf18("4","5","7","5","1","7","1") = "6"
    & skf18("4","5","7","5","1","8","1") = "7"
    & skf18("4","5","7","5","1","9","1") = "8"
    & skf18("4","5","7","5","1","10","1") = "9"
    & skf18("4","5","7","5","2","1","1") = "6"
    & skf18("4","5","7","5","2","2","1") = "6"
    & skf18("4","5","7","5","2","3","1") = "6"
    & skf18("4","5","7","5","2","4","1") = "6"
    & skf18("4","5","7","5","2","5","1") = "6"
    & skf18("4","5","7","5","2","6","1") = "6"
    & skf18("4","5","7","5","2","7","1") = "6"
    & skf18("4","5","7","5","2","8","1") = "7"
    & skf18("4","5","7","5","2","9","1") = "8"
    & skf18("4","5","7","5","2","10","1") = "9"
    & skf18("4","5","7","5","3","1","1") = "6"
    & skf18("4","5","7","5","3","2","1") = "6"
    & skf18("4","5","7","5","3","3","1") = "6"
    & skf18("4","5","7","5","3","4","1") = "6"
    & skf18("4","5","7","5","3","5","1") = "6"
    & skf18("4","5","7","5","3","6","1") = "6"
    & skf18("4","5","7","5","3","7","1") = "6"
    & skf18("4","5","7","5","3","8","1") = "7"
    & skf18("4","5","7","5","3","9","1") = "8"
    & skf18("4","5","7","5","3","10","1") = "9"
    & skf18("4","5","7","5","4","1","1") = "6"
    & skf18("4","5","7","5","4","2","1") = "6"
    & skf18("4","5","7","5","4","3","1") = "6"
    & skf18("4","5","7","5","4","4","1") = "6"
    & skf18("4","5","7","5","4","5","1") = "6"
    & skf18("4","5","7","5","4","6","1") = "6"
    & skf18("4","5","7","5","4","7","1") = "6"
    & skf18("4","5","7","5","4","8","1") = "7"
    & skf18("4","5","7","5","4","9","1") = "8"
    & skf18("4","5","7","5","4","10","1") = "9"
    & skf18("4","5","7","5","5","1","1") = "6"
    & skf18("4","5","7","5","5","2","1") = "6"
    & skf18("4","5","7","5","5","3","1") = "6"
    & skf18("4","5","7","5","5","4","1") = "6"
    & skf18("4","5","7","5","5","5","1") = "6"
    & skf18("4","5","7","5","5","6","1") = "6"
    & skf18("4","5","7","5","5","7","1") = "6"
    & skf18("4","5","7","5","5","8","1") = "7"
    & skf18("4","5","7","5","5","9","1") = "8"
    & skf18("4","5","7","5","5","10","1") = "9"
    & skf18("4","5","7","5","6","1","1") = "6"
    & skf18("4","5","7","5","6","2","1") = "6"
    & skf18("4","5","7","5","6","3","1") = "6"
    & skf18("4","5","7","5","6","4","1") = "6"
    & skf18("4","5","7","5","6","5","1") = "6"
    & skf18("4","5","7","5","6","6","1") = "6"
    & skf18("4","5","7","5","6","7","1") = "6"
    & skf18("4","5","7","5","6","8","1") = "7"
    & skf18("4","5","7","5","6","9","1") = "8"
    & skf18("4","5","7","5","6","10","1") = "9"
    & skf18("4","5","7","5","7","1","1") = "6"
    & skf18("4","5","7","5","7","2","1") = "6"
    & skf18("4","5","7","5","7","3","1") = "6"
    & skf18("4","5","7","5","7","4","1") = "6"
    & skf18("4","5","7","5","7","5","1") = "6"
    & skf18("4","5","7","5","7","6","1") = "6"
    & skf18("4","5","7","5","7","7","1") = "6"
    & skf18("4","5","7","5","7","8","1") = "7"
    & skf18("4","5","7","5","7","9","1") = "8"
    & skf18("4","5","7","5","7","10","1") = "9"
    & skf18("4","5","7","5","8","1","1") = "7"
    & skf18("4","5","7","5","8","2","1") = "7"
    & skf18("4","5","7","5","8","3","1") = "7"
    & skf18("4","5","7","5","8","4","1") = "7"
    & skf18("4","5","7","5","8","5","1") = "7"
    & skf18("4","5","7","5","8","6","1") = "7"
    & skf18("4","5","7","5","8","7","1") = "7"
    & skf18("4","5","7","5","8","8","1") = "7"
    & skf18("4","5","7","5","8","9","1") = "8"
    & skf18("4","5","7","5","8","10","1") = "9"
    & skf18("4","5","7","5","9","1","1") = "8"
    & skf18("4","5","7","5","9","2","1") = "8"
    & skf18("4","5","7","5","9","3","1") = "8"
    & skf18("4","5","7","5","9","4","1") = "8"
    & skf18("4","5","7","5","9","5","1") = "8"
    & skf18("4","5","7","5","9","6","1") = "8"
    & skf18("4","5","7","5","9","7","1") = "8"
    & skf18("4","5","7","5","9","8","1") = "8"
    & skf18("4","5","7","5","9","9","1") = "8"
    & skf18("4","5","7","5","9","10","1") = "9"
    & skf18("4","5","7","5","10","1","1") = "9"
    & skf18("4","5","7","5","10","2","1") = "9"
    & skf18("4","5","7","5","10","3","1") = "9"
    & skf18("4","5","7","5","10","4","1") = "9"
    & skf18("4","5","7","5","10","5","1") = "9"
    & skf18("4","5","7","5","10","6","1") = "9"
    & skf18("4","5","7","5","10","7","1") = "9"
    & skf18("4","5","7","5","10","8","1") = "9"
    & skf18("4","5","7","5","10","9","1") = "9"
    & skf18("4","5","7","5","10","10","1") = "9"
    & skf18("4","5","7","6","1","1","1") = "6"
    & skf18("4","5","7","6","1","2","1") = "6"
    & skf18("4","5","7","6","1","3","1") = "6"
    & skf18("4","5","7","6","1","4","1") = "6"
    & skf18("4","5","7","6","1","5","1") = "6"
    & skf18("4","5","7","6","1","6","1") = "6"
    & skf18("4","5","7","6","1","7","1") = "6"
    & skf18("4","5","7","6","1","8","1") = "7"
    & skf18("4","5","7","6","1","9","1") = "8"
    & skf18("4","5","7","6","1","10","1") = "9"
    & skf18("4","5","7","6","2","1","1") = "6"
    & skf18("4","5","7","6","2","2","1") = "6"
    & skf18("4","5","7","6","2","3","1") = "6"
    & skf18("4","5","7","6","2","4","1") = "6"
    & skf18("4","5","7","6","2","5","1") = "6"
    & skf18("4","5","7","6","2","6","1") = "6"
    & skf18("4","5","7","6","2","7","1") = "6"
    & skf18("4","5","7","6","2","8","1") = "7"
    & skf18("4","5","7","6","2","9","1") = "8"
    & skf18("4","5","7","6","2","10","1") = "9"
    & skf18("4","5","7","6","3","1","1") = "6"
    & skf18("4","5","7","6","3","2","1") = "6"
    & skf18("4","5","7","6","3","3","1") = "6"
    & skf18("4","5","7","6","3","4","1") = "6"
    & skf18("4","5","7","6","3","5","1") = "6"
    & skf18("4","5","7","6","3","6","1") = "6"
    & skf18("4","5","7","6","3","7","1") = "6"
    & skf18("4","5","7","6","3","8","1") = "7"
    & skf18("4","5","7","6","3","9","1") = "8"
    & skf18("4","5","7","6","3","10","1") = "9"
    & skf18("4","5","7","6","4","1","1") = "6"
    & skf18("4","5","7","6","4","2","1") = "6"
    & skf18("4","5","7","6","4","3","1") = "6"
    & skf18("4","5","7","6","4","4","1") = "6"
    & skf18("4","5","7","6","4","5","1") = "6"
    & skf18("4","5","7","6","4","6","1") = "6"
    & skf18("4","5","7","6","4","7","1") = "6"
    & skf18("4","5","7","6","4","8","1") = "7"
    & skf18("4","5","7","6","4","9","1") = "8"
    & skf18("4","5","7","6","4","10","1") = "9"
    & skf18("4","5","7","6","5","1","1") = "6"
    & skf18("4","5","7","6","5","2","1") = "6"
    & skf18("4","5","7","6","5","3","1") = "6"
    & skf18("4","5","7","6","5","4","1") = "6"
    & skf18("4","5","7","6","5","5","1") = "6"
    & skf18("4","5","7","6","5","6","1") = "6"
    & skf18("4","5","7","6","5","7","1") = "6"
    & skf18("4","5","7","6","5","8","1") = "7"
    & skf18("4","5","7","6","5","9","1") = "8"
    & skf18("4","5","7","6","5","10","1") = "9"
    & skf18("4","5","7","6","6","1","1") = "6"
    & skf18("4","5","7","6","6","2","1") = "6"
    & skf18("4","5","7","6","6","3","1") = "6"
    & skf18("4","5","7","6","6","4","1") = "6"
    & skf18("4","5","7","6","6","5","1") = "6"
    & skf18("4","5","7","6","6","6","1") = "6"
    & skf18("4","5","7","6","6","7","1") = "6"
    & skf18("4","5","7","6","6","8","1") = "7"
    & skf18("4","5","7","6","6","9","1") = "8"
    & skf18("4","5","7","6","6","10","1") = "9"
    & skf18("4","5","7","6","7","1","1") = "6"
    & skf18("4","5","7","6","7","2","1") = "6"
    & skf18("4","5","7","6","7","3","1") = "6"
    & skf18("4","5","7","6","7","4","1") = "6"
    & skf18("4","5","7","6","7","5","1") = "6"
    & skf18("4","5","7","6","7","6","1") = "6"
    & skf18("4","5","7","6","7","7","1") = "6"
    & skf18("4","5","7","6","7","8","1") = "7"
    & skf18("4","5","7","6","7","9","1") = "8"
    & skf18("4","5","7","6","7","10","1") = "9"
    & skf18("4","5","7","6","8","1","1") = "7"
    & skf18("4","5","7","6","8","2","1") = "7"
    & skf18("4","5","7","6","8","3","1") = "7"
    & skf18("4","5","7","6","8","4","1") = "7"
    & skf18("4","5","7","6","8","5","1") = "7"
    & skf18("4","5","7","6","8","6","1") = "7"
    & skf18("4","5","7","6","8","7","1") = "7"
    & skf18("4","5","7","6","8","8","1") = "7"
    & skf18("4","5","7","6","8","9","1") = "8"
    & skf18("4","5","7","6","8","10","1") = "9"
    & skf18("4","5","7","6","9","1","1") = "8"
    & skf18("4","5","7","6","9","2","1") = "8"
    & skf18("4","5","7","6","9","3","1") = "8"
    & skf18("4","5","7","6","9","4","1") = "8"
    & skf18("4","5","7","6","9","5","1") = "8"
    & skf18("4","5","7","6","9","6","1") = "8"
    & skf18("4","5","7","6","9","7","1") = "8"
    & skf18("4","5","7","6","9","8","1") = "8"
    & skf18("4","5","7","6","9","9","1") = "8"
    & skf18("4","5","7","6","9","10","1") = "9"
    & skf18("4","5","7","6","10","1","1") = "9"
    & skf18("4","5","7","6","10","2","1") = "9"
    & skf18("4","5","7","6","10","3","1") = "9"
    & skf18("4","5","7","6","10","4","1") = "9"
    & skf18("4","5","7","6","10","5","1") = "9"
    & skf18("4","5","7","6","10","6","1") = "9"
    & skf18("4","5","7","6","10","7","1") = "9"
    & skf18("4","5","7","6","10","8","1") = "9"
    & skf18("4","5","7","6","10","9","1") = "9"
    & skf18("4","5","7","6","10","10","1") = "9"
    & skf18("4","5","7","7","1","1","1") = "6"
    & skf18("4","5","7","7","1","2","1") = "6"
    & skf18("4","5","7","7","1","3","1") = "6"
    & skf18("4","5","7","7","1","4","1") = "6"
    & skf18("4","5","7","7","1","5","1") = "6"
    & skf18("4","5","7","7","1","6","1") = "6"
    & skf18("4","5","7","7","1","7","1") = "6"
    & skf18("4","5","7","7","1","8","1") = "7"
    & skf18("4","5","7","7","1","9","1") = "8"
    & skf18("4","5","7","7","1","10","1") = "9"
    & skf18("4","5","7","7","2","1","1") = "6"
    & skf18("4","5","7","7","2","2","1") = "6"
    & skf18("4","5","7","7","2","3","1") = "6"
    & skf18("4","5","7","7","2","4","1") = "6"
    & skf18("4","5","7","7","2","5","1") = "6"
    & skf18("4","5","7","7","2","6","1") = "6"
    & skf18("4","5","7","7","2","7","1") = "6"
    & skf18("4","5","7","7","2","8","1") = "7"
    & skf18("4","5","7","7","2","9","1") = "8"
    & skf18("4","5","7","7","2","10","1") = "9"
    & skf18("4","5","7","7","3","1","1") = "6"
    & skf18("4","5","7","7","3","2","1") = "6"
    & skf18("4","5","7","7","3","3","1") = "6"
    & skf18("4","5","7","7","3","4","1") = "6"
    & skf18("4","5","7","7","3","5","1") = "6"
    & skf18("4","5","7","7","3","6","1") = "6"
    & skf18("4","5","7","7","3","7","1") = "6"
    & skf18("4","5","7","7","3","8","1") = "7"
    & skf18("4","5","7","7","3","9","1") = "8"
    & skf18("4","5","7","7","3","10","1") = "9"
    & skf18("4","5","7","7","4","1","1") = "6"
    & skf18("4","5","7","7","4","2","1") = "6"
    & skf18("4","5","7","7","4","3","1") = "6"
    & skf18("4","5","7","7","4","4","1") = "6"
    & skf18("4","5","7","7","4","5","1") = "6"
    & skf18("4","5","7","7","4","6","1") = "6"
    & skf18("4","5","7","7","4","7","1") = "6"
    & skf18("4","5","7","7","4","8","1") = "7"
    & skf18("4","5","7","7","4","9","1") = "8"
    & skf18("4","5","7","7","4","10","1") = "9"
    & skf18("4","5","7","7","5","1","1") = "6"
    & skf18("4","5","7","7","5","2","1") = "6"
    & skf18("4","5","7","7","5","3","1") = "6"
    & skf18("4","5","7","7","5","4","1") = "6"
    & skf18("4","5","7","7","5","5","1") = "6"
    & skf18("4","5","7","7","5","6","1") = "6"
    & skf18("4","5","7","7","5","7","1") = "6"
    & skf18("4","5","7","7","5","8","1") = "7"
    & skf18("4","5","7","7","5","9","1") = "8"
    & skf18("4","5","7","7","5","10","1") = "9"
    & skf18("4","5","7","7","6","1","1") = "6"
    & skf18("4","5","7","7","6","2","1") = "6"
    & skf18("4","5","7","7","6","3","1") = "6"
    & skf18("4","5","7","7","6","4","1") = "6"
    & skf18("4","5","7","7","6","5","1") = "6"
    & skf18("4","5","7","7","6","6","1") = "6"
    & skf18("4","5","7","7","6","7","1") = "6"
    & skf18("4","5","7","7","6","8","1") = "7"
    & skf18("4","5","7","7","6","9","1") = "8"
    & skf18("4","5","7","7","6","10","1") = "9"
    & skf18("4","5","7","7","7","1","1") = "6"
    & skf18("4","5","7","7","7","2","1") = "6"
    & skf18("4","5","7","7","7","3","1") = "6"
    & skf18("4","5","7","7","7","4","1") = "6"
    & skf18("4","5","7","7","7","5","1") = "6"
    & skf18("4","5","7","7","7","6","1") = "6"
    & skf18("4","5","7","7","7","7","1") = "6"
    & skf18("4","5","7","7","7","8","1") = "7"
    & skf18("4","5","7","7","7","9","1") = "8"
    & skf18("4","5","7","7","7","10","1") = "9"
    & skf18("4","5","7","7","8","1","1") = "7"
    & skf18("4","5","7","7","8","2","1") = "7"
    & skf18("4","5","7","7","8","3","1") = "7"
    & skf18("4","5","7","7","8","4","1") = "7"
    & skf18("4","5","7","7","8","5","1") = "7"
    & skf18("4","5","7","7","8","6","1") = "7"
    & skf18("4","5","7","7","8","7","1") = "7"
    & skf18("4","5","7","7","8","8","1") = "7"
    & skf18("4","5","7","7","8","9","1") = "8"
    & skf18("4","5","7","7","8","10","1") = "9"
    & skf18("4","5","7","7","9","1","1") = "8"
    & skf18("4","5","7","7","9","2","1") = "8"
    & skf18("4","5","7","7","9","3","1") = "8"
    & skf18("4","5","7","7","9","4","1") = "8"
    & skf18("4","5","7","7","9","5","1") = "8"
    & skf18("4","5","7","7","9","6","1") = "8"
    & skf18("4","5","7","7","9","7","1") = "8"
    & skf18("4","5","7","7","9","8","1") = "8"
    & skf18("4","5","7","7","9","9","1") = "8"
    & skf18("4","5","7","7","9","10","1") = "9"
    & skf18("4","5","7","7","10","1","1") = "9"
    & skf18("4","5","7","7","10","2","1") = "9"
    & skf18("4","5","7","7","10","3","1") = "9"
    & skf18("4","5","7","7","10","4","1") = "9"
    & skf18("4","5","7","7","10","5","1") = "9"
    & skf18("4","5","7","7","10","6","1") = "9"
    & skf18("4","5","7","7","10","7","1") = "9"
    & skf18("4","5","7","7","10","8","1") = "9"
    & skf18("4","5","7","7","10","9","1") = "9"
    & skf18("4","5","7","7","10","10","1") = "9"
    & skf18("4","5","7","8","1","1","1") = "7"
    & skf18("4","5","7","8","1","2","1") = "7"
    & skf18("4","5","7","8","1","3","1") = "7"
    & skf18("4","5","7","8","1","4","1") = "7"
    & skf18("4","5","7","8","1","5","1") = "7"
    & skf18("4","5","7","8","1","6","1") = "7"
    & skf18("4","5","7","8","1","7","1") = "7"
    & skf18("4","5","7","8","1","8","1") = "7"
    & skf18("4","5","7","8","1","9","1") = "8"
    & skf18("4","5","7","8","1","10","1") = "9"
    & skf18("4","5","7","8","2","1","1") = "7"
    & skf18("4","5","7","8","2","2","1") = "7"
    & skf18("4","5","7","8","2","3","1") = "7"
    & skf18("4","5","7","8","2","4","1") = "7"
    & skf18("4","5","7","8","2","5","1") = "7"
    & skf18("4","5","7","8","2","6","1") = "7"
    & skf18("4","5","7","8","2","7","1") = "7"
    & skf18("4","5","7","8","2","8","1") = "7"
    & skf18("4","5","7","8","2","9","1") = "8"
    & skf18("4","5","7","8","2","10","1") = "9"
    & skf18("4","5","7","8","3","1","1") = "7"
    & skf18("4","5","7","8","3","2","1") = "7"
    & skf18("4","5","7","8","3","3","1") = "7"
    & skf18("4","5","7","8","3","4","1") = "7"
    & skf18("4","5","7","8","3","5","1") = "7"
    & skf18("4","5","7","8","3","6","1") = "7"
    & skf18("4","5","7","8","3","7","1") = "7"
    & skf18("4","5","7","8","3","8","1") = "7"
    & skf18("4","5","7","8","3","9","1") = "8"
    & skf18("4","5","7","8","3","10","1") = "9"
    & skf18("4","5","7","8","4","1","1") = "7"
    & skf18("4","5","7","8","4","2","1") = "7"
    & skf18("4","5","7","8","4","3","1") = "7"
    & skf18("4","5","7","8","4","4","1") = "7"
    & skf18("4","5","7","8","4","5","1") = "7"
    & skf18("4","5","7","8","4","6","1") = "7"
    & skf18("4","5","7","8","4","7","1") = "7"
    & skf18("4","5","7","8","4","8","1") = "7"
    & skf18("4","5","7","8","4","9","1") = "8"
    & skf18("4","5","7","8","4","10","1") = "9"
    & skf18("4","5","7","8","5","1","1") = "7"
    & skf18("4","5","7","8","5","2","1") = "7"
    & skf18("4","5","7","8","5","3","1") = "7"
    & skf18("4","5","7","8","5","4","1") = "7"
    & skf18("4","5","7","8","5","5","1") = "7"
    & skf18("4","5","7","8","5","6","1") = "7"
    & skf18("4","5","7","8","5","7","1") = "7"
    & skf18("4","5","7","8","5","8","1") = "7"
    & skf18("4","5","7","8","5","9","1") = "8"
    & skf18("4","5","7","8","5","10","1") = "9"
    & skf18("4","5","7","8","6","1","1") = "7"
    & skf18("4","5","7","8","6","2","1") = "7"
    & skf18("4","5","7","8","6","3","1") = "7"
    & skf18("4","5","7","8","6","4","1") = "7"
    & skf18("4","5","7","8","6","5","1") = "7"
    & skf18("4","5","7","8","6","6","1") = "7"
    & skf18("4","5","7","8","6","7","1") = "7"
    & skf18("4","5","7","8","6","8","1") = "7"
    & skf18("4","5","7","8","6","9","1") = "8"
    & skf18("4","5","7","8","6","10","1") = "9"
    & skf18("4","5","7","8","7","1","1") = "7"
    & skf18("4","5","7","8","7","2","1") = "7"
    & skf18("4","5","7","8","7","3","1") = "7"
    & skf18("4","5","7","8","7","4","1") = "7"
    & skf18("4","5","7","8","7","5","1") = "7"
    & skf18("4","5","7","8","7","6","1") = "7"
    & skf18("4","5","7","8","7","7","1") = "7"
    & skf18("4","5","7","8","7","8","1") = "7"
    & skf18("4","5","7","8","7","9","1") = "8"
    & skf18("4","5","7","8","7","10","1") = "9"
    & skf18("4","5","7","8","8","1","1") = "7"
    & skf18("4","5","7","8","8","2","1") = "7"
    & skf18("4","5","7","8","8","3","1") = "7"
    & skf18("4","5","7","8","8","4","1") = "7"
    & skf18("4","5","7","8","8","5","1") = "7"
    & skf18("4","5","7","8","8","6","1") = "7"
    & skf18("4","5","7","8","8","7","1") = "7"
    & skf18("4","5","7","8","8","8","1") = "7"
    & skf18("4","5","7","8","8","9","1") = "8"
    & skf18("4","5","7","8","8","10","1") = "9"
    & skf18("4","5","7","8","9","1","1") = "8"
    & skf18("4","5","7","8","9","2","1") = "8"
    & skf18("4","5","7","8","9","3","1") = "8"
    & skf18("4","5","7","8","9","4","1") = "8"
    & skf18("4","5","7","8","9","5","1") = "8"
    & skf18("4","5","7","8","9","6","1") = "8"
    & skf18("4","5","7","8","9","7","1") = "8"
    & skf18("4","5","7","8","9","8","1") = "8"
    & skf18("4","5","7","8","9","9","1") = "8"
    & skf18("4","5","7","8","9","10","1") = "9"
    & skf18("4","5","7","8","10","1","1") = "9"
    & skf18("4","5","7","8","10","2","1") = "9"
    & skf18("4","5","7","8","10","3","1") = "9"
    & skf18("4","5","7","8","10","4","1") = "9"
    & skf18("4","5","7","8","10","5","1") = "9"
    & skf18("4","5","7","8","10","6","1") = "9"
    & skf18("4","5","7","8","10","7","1") = "9"
    & skf18("4","5","7","8","10","8","1") = "9"
    & skf18("4","5","7","8","10","9","1") = "9"
    & skf18("4","5","7","8","10","10","1") = "9"
    & skf18("4","5","7","9","1","1","1") = "8"
    & skf18("4","5","7","9","1","2","1") = "8"
    & skf18("4","5","7","9","1","3","1") = "8"
    & skf18("4","5","7","9","1","4","1") = "8"
    & skf18("4","5","7","9","1","5","1") = "8"
    & skf18("4","5","7","9","1","6","1") = "8"
    & skf18("4","5","7","9","1","7","1") = "8"
    & skf18("4","5","7","9","1","8","1") = "8"
    & skf18("4","5","7","9","1","9","1") = "8"
    & skf18("4","5","7","9","1","10","1") = "9"
    & skf18("4","5","7","9","2","1","1") = "8"
    & skf18("4","5","7","9","2","2","1") = "8"
    & skf18("4","5","7","9","2","3","1") = "8"
    & skf18("4","5","7","9","2","4","1") = "8"
    & skf18("4","5","7","9","2","5","1") = "8"
    & skf18("4","5","7","9","2","6","1") = "8"
    & skf18("4","5","7","9","2","7","1") = "8"
    & skf18("4","5","7","9","2","8","1") = "8"
    & skf18("4","5","7","9","2","9","1") = "8"
    & skf18("4","5","7","9","2","10","1") = "9"
    & skf18("4","5","7","9","3","1","1") = "8"
    & skf18("4","5","7","9","3","2","1") = "8"
    & skf18("4","5","7","9","3","3","1") = "8"
    & skf18("4","5","7","9","3","4","1") = "8"
    & skf18("4","5","7","9","3","5","1") = "8"
    & skf18("4","5","7","9","3","6","1") = "8"
    & skf18("4","5","7","9","3","7","1") = "8"
    & skf18("4","5","7","9","3","8","1") = "8"
    & skf18("4","5","7","9","3","9","1") = "8"
    & skf18("4","5","7","9","3","10","1") = "9"
    & skf18("4","5","7","9","4","1","1") = "8"
    & skf18("4","5","7","9","4","2","1") = "8"
    & skf18("4","5","7","9","4","3","1") = "8"
    & skf18("4","5","7","9","4","4","1") = "8"
    & skf18("4","5","7","9","4","5","1") = "8"
    & skf18("4","5","7","9","4","6","1") = "8"
    & skf18("4","5","7","9","4","7","1") = "8"
    & skf18("4","5","7","9","4","8","1") = "8"
    & skf18("4","5","7","9","4","9","1") = "8"
    & skf18("4","5","7","9","4","10","1") = "9"
    & skf18("4","5","7","9","5","1","1") = "8"
    & skf18("4","5","7","9","5","2","1") = "8"
    & skf18("4","5","7","9","5","3","1") = "8"
    & skf18("4","5","7","9","5","4","1") = "8"
    & skf18("4","5","7","9","5","5","1") = "8"
    & skf18("4","5","7","9","5","6","1") = "8"
    & skf18("4","5","7","9","5","7","1") = "8"
    & skf18("4","5","7","9","5","8","1") = "8"
    & skf18("4","5","7","9","5","9","1") = "8"
    & skf18("4","5","7","9","5","10","1") = "9"
    & skf18("4","5","7","9","6","1","1") = "8"
    & skf18("4","5","7","9","6","2","1") = "8"
    & skf18("4","5","7","9","6","3","1") = "8"
    & skf18("4","5","7","9","6","4","1") = "8"
    & skf18("4","5","7","9","6","5","1") = "8"
    & skf18("4","5","7","9","6","6","1") = "8"
    & skf18("4","5","7","9","6","7","1") = "8"
    & skf18("4","5","7","9","6","8","1") = "8"
    & skf18("4","5","7","9","6","9","1") = "8"
    & skf18("4","5","7","9","6","10","1") = "9"
    & skf18("4","5","7","9","7","1","1") = "8"
    & skf18("4","5","7","9","7","2","1") = "8"
    & skf18("4","5","7","9","7","3","1") = "8"
    & skf18("4","5","7","9","7","4","1") = "8"
    & skf18("4","5","7","9","7","5","1") = "8"
    & skf18("4","5","7","9","7","6","1") = "8"
    & skf18("4","5","7","9","7","7","1") = "8"
    & skf18("4","5","7","9","7","8","1") = "8"
    & skf18("4","5","7","9","7","9","1") = "8"
    & skf18("4","5","7","9","7","10","1") = "9"
    & skf18("4","5","7","9","8","1","1") = "8"
    & skf18("4","5","7","9","8","2","1") = "8"
    & skf18("4","5","7","9","8","3","1") = "8"
    & skf18("4","5","7","9","8","4","1") = "8"
    & skf18("4","5","7","9","8","5","1") = "8"
    & skf18("4","5","7","9","8","6","1") = "8"
    & skf18("4","5","7","9","8","7","1") = "8"
    & skf18("4","5","7","9","8","8","1") = "8"
    & skf18("4","5","7","9","8","9","1") = "8"
    & skf18("4","5","7","9","8","10","1") = "9"
    & skf18("4","5","7","9","9","1","1") = "8"
    & skf18("4","5","7","9","9","2","1") = "8"
    & skf18("4","5","7","9","9","3","1") = "8"
    & skf18("4","5","7","9","9","4","1") = "8"
    & skf18("4","5","7","9","9","5","1") = "8"
    & skf18("4","5","7","9","9","6","1") = "8"
    & skf18("4","5","7","9","9","7","1") = "8"
    & skf18("4","5","7","9","9","8","1") = "8"
    & skf18("4","5","7","9","9","9","1") = "8"
    & skf18("4","5","7","9","9","10","1") = "9"
    & skf18("4","5","7","9","10","1","1") = "9"
    & skf18("4","5","7","9","10","2","1") = "9"
    & skf18("4","5","7","9","10","3","1") = "9"
    & skf18("4","5","7","9","10","4","1") = "9"
    & skf18("4","5","7","9","10","5","1") = "9"
    & skf18("4","5","7","9","10","6","1") = "9"
    & skf18("4","5","7","9","10","7","1") = "9"
    & skf18("4","5","7","9","10","8","1") = "9"
    & skf18("4","5","7","9","10","9","1") = "9"
    & skf18("4","5","7","9","10","10","1") = "9"
    & skf18("4","5","7","10","1","1","1") = "9"
    & skf18("4","5","7","10","1","2","1") = "9"
    & skf18("4","5","7","10","1","3","1") = "9"
    & skf18("4","5","7","10","1","4","1") = "9"
    & skf18("4","5","7","10","1","5","1") = "9"
    & skf18("4","5","7","10","1","6","1") = "9"
    & skf18("4","5","7","10","1","7","1") = "9"
    & skf18("4","5","7","10","1","8","1") = "9"
    & skf18("4","5","7","10","1","9","1") = "9"
    & skf18("4","5","7","10","1","10","1") = "9"
    & skf18("4","5","7","10","2","1","1") = "9"
    & skf18("4","5","7","10","2","2","1") = "9"
    & skf18("4","5","7","10","2","3","1") = "9"
    & skf18("4","5","7","10","2","4","1") = "9"
    & skf18("4","5","7","10","2","5","1") = "9"
    & skf18("4","5","7","10","2","6","1") = "9"
    & skf18("4","5","7","10","2","7","1") = "9"
    & skf18("4","5","7","10","2","8","1") = "9"
    & skf18("4","5","7","10","2","9","1") = "9"
    & skf18("4","5","7","10","2","10","1") = "9"
    & skf18("4","5","7","10","3","1","1") = "9"
    & skf18("4","5","7","10","3","2","1") = "9"
    & skf18("4","5","7","10","3","3","1") = "9"
    & skf18("4","5","7","10","3","4","1") = "9"
    & skf18("4","5","7","10","3","5","1") = "9"
    & skf18("4","5","7","10","3","6","1") = "9"
    & skf18("4","5","7","10","3","7","1") = "9"
    & skf18("4","5","7","10","3","8","1") = "9"
    & skf18("4","5","7","10","3","9","1") = "9"
    & skf18("4","5","7","10","3","10","1") = "9"
    & skf18("4","5","7","10","4","1","1") = "9"
    & skf18("4","5","7","10","4","2","1") = "9"
    & skf18("4","5","7","10","4","3","1") = "9"
    & skf18("4","5","7","10","4","4","1") = "9"
    & skf18("4","5","7","10","4","5","1") = "9"
    & skf18("4","5","7","10","4","6","1") = "9"
    & skf18("4","5","7","10","4","7","1") = "9"
    & skf18("4","5","7","10","4","8","1") = "9"
    & skf18("4","5","7","10","4","9","1") = "9"
    & skf18("4","5","7","10","4","10","1") = "9"
    & skf18("4","5","7","10","5","1","1") = "9"
    & skf18("4","5","7","10","5","2","1") = "9"
    & skf18("4","5","7","10","5","3","1") = "9"
    & skf18("4","5","7","10","5","4","1") = "9"
    & skf18("4","5","7","10","5","5","1") = "9"
    & skf18("4","5","7","10","5","6","1") = "9"
    & skf18("4","5","7","10","5","7","1") = "9"
    & skf18("4","5","7","10","5","8","1") = "9"
    & skf18("4","5","7","10","5","9","1") = "9"
    & skf18("4","5","7","10","5","10","1") = "9"
    & skf18("4","5","7","10","6","1","1") = "9"
    & skf18("4","5","7","10","6","2","1") = "9"
    & skf18("4","5","7","10","6","3","1") = "9"
    & skf18("4","5","7","10","6","4","1") = "9"
    & skf18("4","5","7","10","6","5","1") = "9"
    & skf18("4","5","7","10","6","6","1") = "9"
    & skf18("4","5","7","10","6","7","1") = "9"
    & skf18("4","5","7","10","6","8","1") = "9"
    & skf18("4","5","7","10","6","9","1") = "9"
    & skf18("4","5","7","10","6","10","1") = "9"
    & skf18("4","5","7","10","7","1","1") = "9"
    & skf18("4","5","7","10","7","2","1") = "9"
    & skf18("4","5","7","10","7","3","1") = "9"
    & skf18("4","5","7","10","7","4","1") = "9"
    & skf18("4","5","7","10","7","5","1") = "9"
    & skf18("4","5","7","10","7","6","1") = "9"
    & skf18("4","5","7","10","7","7","1") = "9"
    & skf18("4","5","7","10","7","8","1") = "9"
    & skf18("4","5","7","10","7","9","1") = "9"
    & skf18("4","5","7","10","7","10","1") = "9"
    & skf18("4","5","7","10","8","1","1") = "9"
    & skf18("4","5","7","10","8","2","1") = "9"
    & skf18("4","5","7","10","8","3","1") = "9"
    & skf18("4","5","7","10","8","4","1") = "9"
    & skf18("4","5","7","10","8","5","1") = "9"
    & skf18("4","5","7","10","8","6","1") = "9"
    & skf18("4","5","7","10","8","7","1") = "9"
    & skf18("4","5","7","10","8","8","1") = "9"
    & skf18("4","5","7","10","8","9","1") = "9"
    & skf18("4","5","7","10","8","10","1") = "9"
    & skf18("4","5","7","10","9","1","1") = "9"
    & skf18("4","5","7","10","9","2","1") = "9"
    & skf18("4","5","7","10","9","3","1") = "9"
    & skf18("4","5","7","10","9","4","1") = "9"
    & skf18("4","5","7","10","9","5","1") = "9"
    & skf18("4","5","7","10","9","6","1") = "9"
    & skf18("4","5","7","10","9","7","1") = "9"
    & skf18("4","5","7","10","9","8","1") = "9"
    & skf18("4","5","7","10","9","9","1") = "9"
    & skf18("4","5","7","10","9","10","1") = "9"
    & skf18("4","5","7","10","10","1","1") = "9"
    & skf18("4","5","7","10","10","2","1") = "9"
    & skf18("4","5","7","10","10","3","1") = "9"
    & skf18("4","5","7","10","10","4","1") = "9"
    & skf18("4","5","7","10","10","5","1") = "9"
    & skf18("4","5","7","10","10","6","1") = "9"
    & skf18("4","5","7","10","10","7","1") = "9"
    & skf18("4","5","7","10","10","8","1") = "9"
    & skf18("4","5","7","10","10","9","1") = "9"
    & skf18("4","5","7","10","10","10","1") = "9"
    & skf18("4","5","8","1","1","1","1") = "7"
    & skf18("4","5","8","1","1","2","1") = "7"
    & skf18("4","5","8","1","1","3","1") = "7"
    & skf18("4","5","8","1","1","4","1") = "7"
    & skf18("4","5","8","1","1","5","1") = "7"
    & skf18("4","5","8","1","1","6","1") = "7"
    & skf18("4","5","8","1","1","7","1") = "7"
    & skf18("4","5","8","1","1","8","1") = "7"
    & skf18("4","5","8","1","1","9","1") = "8"
    & skf18("4","5","8","1","1","10","1") = "9"
    & skf18("4","5","8","1","2","1","1") = "7"
    & skf18("4","5","8","1","2","2","1") = "7"
    & skf18("4","5","8","1","2","3","1") = "7"
    & skf18("4","5","8","1","2","4","1") = "7"
    & skf18("4","5","8","1","2","5","1") = "7"
    & skf18("4","5","8","1","2","6","1") = "7"
    & skf18("4","5","8","1","2","7","1") = "7"
    & skf18("4","5","8","1","2","8","1") = "7"
    & skf18("4","5","8","1","2","9","1") = "8"
    & skf18("4","5","8","1","2","10","1") = "9"
    & skf18("4","5","8","1","3","1","1") = "7"
    & skf18("4","5","8","1","3","2","1") = "7"
    & skf18("4","5","8","1","3","3","1") = "7"
    & skf18("4","5","8","1","3","4","1") = "7"
    & skf18("4","5","8","1","3","5","1") = "7"
    & skf18("4","5","8","1","3","6","1") = "7"
    & skf18("4","5","8","1","3","7","1") = "7"
    & skf18("4","5","8","1","3","8","1") = "7"
    & skf18("4","5","8","1","3","9","1") = "8"
    & skf18("4","5","8","1","3","10","1") = "9"
    & skf18("4","5","8","1","4","1","1") = "7"
    & skf18("4","5","8","1","4","2","1") = "7"
    & skf18("4","5","8","1","4","3","1") = "7"
    & skf18("4","5","8","1","4","4","1") = "7"
    & skf18("4","5","8","1","4","5","1") = "7"
    & skf18("4","5","8","1","4","6","1") = "7"
    & skf18("4","5","8","1","4","7","1") = "7"
    & skf18("4","5","8","1","4","8","1") = "7"
    & skf18("4","5","8","1","4","9","1") = "8"
    & skf18("4","5","8","1","4","10","1") = "9"
    & skf18("4","5","8","1","5","1","1") = "7"
    & skf18("4","5","8","1","5","2","1") = "7"
    & skf18("4","5","8","1","5","3","1") = "7"
    & skf18("4","5","8","1","5","4","1") = "7"
    & skf18("4","5","8","1","5","5","1") = "7"
    & skf18("4","5","8","1","5","6","1") = "7"
    & skf18("4","5","8","1","5","7","1") = "7"
    & skf18("4","5","8","1","5","8","1") = "7"
    & skf18("4","5","8","1","5","9","1") = "8"
    & skf18("4","5","8","1","5","10","1") = "9"
    & skf18("4","5","8","1","6","1","1") = "7"
    & skf18("4","5","8","1","6","2","1") = "7"
    & skf18("4","5","8","1","6","3","1") = "7"
    & skf18("4","5","8","1","6","4","1") = "7"
    & skf18("4","5","8","1","6","5","1") = "7"
    & skf18("4","5","8","1","6","6","1") = "7"
    & skf18("4","5","8","1","6","7","1") = "7"
    & skf18("4","5","8","1","6","8","1") = "7"
    & skf18("4","5","8","1","6","9","1") = "8"
    & skf18("4","5","8","1","6","10","1") = "9"
    & skf18("4","5","8","1","7","1","1") = "7"
    & skf18("4","5","8","1","7","2","1") = "7"
    & skf18("4","5","8","1","7","3","1") = "7"
    & skf18("4","5","8","1","7","4","1") = "7"
    & skf18("4","5","8","1","7","5","1") = "7"
    & skf18("4","5","8","1","7","6","1") = "7"
    & skf18("4","5","8","1","7","7","1") = "7"
    & skf18("4","5","8","1","7","8","1") = "7"
    & skf18("4","5","8","1","7","9","1") = "8"
    & skf18("4","5","8","1","7","10","1") = "9"
    & skf18("4","5","8","1","8","1","1") = "7"
    & skf18("4","5","8","1","8","2","1") = "7"
    & skf18("4","5","8","1","8","3","1") = "7"
    & skf18("4","5","8","1","8","4","1") = "7"
    & skf18("4","5","8","1","8","5","1") = "7"
    & skf18("4","5","8","1","8","6","1") = "7"
    & skf18("4","5","8","1","8","7","1") = "7"
    & skf18("4","5","8","1","8","8","1") = "7"
    & skf18("4","5","8","1","8","9","1") = "8"
    & skf18("4","5","8","1","8","10","1") = "9"
    & skf18("4","5","8","1","9","1","1") = "8"
    & skf18("4","5","8","1","9","2","1") = "8"
    & skf18("4","5","8","1","9","3","1") = "8"
    & skf18("4","5","8","1","9","4","1") = "8"
    & skf18("4","5","8","1","9","5","1") = "8"
    & skf18("4","5","8","1","9","6","1") = "8"
    & skf18("4","5","8","1","9","7","1") = "8"
    & skf18("4","5","8","1","9","8","1") = "8"
    & skf18("4","5","8","1","9","9","1") = "8"
    & skf18("4","5","8","1","9","10","1") = "9"
    & skf18("4","5","8","1","10","1","1") = "9"
    & skf18("4","5","8","1","10","2","1") = "9"
    & skf18("4","5","8","1","10","3","1") = "9"
    & skf18("4","5","8","1","10","4","1") = "9"
    & skf18("4","5","8","1","10","5","1") = "9"
    & skf18("4","5","8","1","10","6","1") = "9"
    & skf18("4","5","8","1","10","7","1") = "9"
    & skf18("4","5","8","1","10","8","1") = "9"
    & skf18("4","5","8","1","10","9","1") = "9"
    & skf18("4","5","8","1","10","10","1") = "9"
    & skf18("4","5","8","2","1","1","1") = "7"
    & skf18("4","5","8","2","1","2","1") = "7"
    & skf18("4","5","8","2","1","3","1") = "7"
    & skf18("4","5","8","2","1","4","1") = "7"
    & skf18("4","5","8","2","1","5","1") = "7"
    & skf18("4","5","8","2","1","6","1") = "7"
    & skf18("4","5","8","2","1","7","1") = "7"
    & skf18("4","5","8","2","1","8","1") = "7"
    & skf18("4","5","8","2","1","9","1") = "8"
    & skf18("4","5","8","2","1","10","1") = "9"
    & skf18("4","5","8","2","2","1","1") = "7"
    & skf18("4","5","8","2","2","2","1") = "7"
    & skf18("4","5","8","2","2","3","1") = "7"
    & skf18("4","5","8","2","2","4","1") = "7"
    & skf18("4","5","8","2","2","5","1") = "7"
    & skf18("4","5","8","2","2","6","1") = "7"
    & skf18("4","5","8","2","2","7","1") = "7"
    & skf18("4","5","8","2","2","8","1") = "7"
    & skf18("4","5","8","2","2","9","1") = "8"
    & skf18("4","5","8","2","2","10","1") = "9"
    & skf18("4","5","8","2","3","1","1") = "7"
    & skf18("4","5","8","2","3","2","1") = "7"
    & skf18("4","5","8","2","3","3","1") = "7"
    & skf18("4","5","8","2","3","4","1") = "7"
    & skf18("4","5","8","2","3","5","1") = "7"
    & skf18("4","5","8","2","3","6","1") = "7"
    & skf18("4","5","8","2","3","7","1") = "7"
    & skf18("4","5","8","2","3","8","1") = "7"
    & skf18("4","5","8","2","3","9","1") = "8"
    & skf18("4","5","8","2","3","10","1") = "9"
    & skf18("4","5","8","2","4","1","1") = "7"
    & skf18("4","5","8","2","4","2","1") = "7"
    & skf18("4","5","8","2","4","3","1") = "7"
    & skf18("4","5","8","2","4","4","1") = "7"
    & skf18("4","5","8","2","4","5","1") = "7"
    & skf18("4","5","8","2","4","6","1") = "7"
    & skf18("4","5","8","2","4","7","1") = "7"
    & skf18("4","5","8","2","4","8","1") = "7"
    & skf18("4","5","8","2","4","9","1") = "8"
    & skf18("4","5","8","2","4","10","1") = "9"
    & skf18("4","5","8","2","5","1","1") = "7"
    & skf18("4","5","8","2","5","2","1") = "7"
    & skf18("4","5","8","2","5","3","1") = "7"
    & skf18("4","5","8","2","5","4","1") = "7"
    & skf18("4","5","8","2","5","5","1") = "7"
    & skf18("4","5","8","2","5","6","1") = "7"
    & skf18("4","5","8","2","5","7","1") = "7"
    & skf18("4","5","8","2","5","8","1") = "7"
    & skf18("4","5","8","2","5","9","1") = "8"
    & skf18("4","5","8","2","5","10","1") = "9"
    & skf18("4","5","8","2","6","1","1") = "7"
    & skf18("4","5","8","2","6","2","1") = "7"
    & skf18("4","5","8","2","6","3","1") = "7"
    & skf18("4","5","8","2","6","4","1") = "7"
    & skf18("4","5","8","2","6","5","1") = "7"
    & skf18("4","5","8","2","6","6","1") = "7"
    & skf18("4","5","8","2","6","7","1") = "7"
    & skf18("4","5","8","2","6","8","1") = "7"
    & skf18("4","5","8","2","6","9","1") = "8"
    & skf18("4","5","8","2","6","10","1") = "9"
    & skf18("4","5","8","2","7","1","1") = "7"
    & skf18("4","5","8","2","7","2","1") = "7"
    & skf18("4","5","8","2","7","3","1") = "7"
    & skf18("4","5","8","2","7","4","1") = "7"
    & skf18("4","5","8","2","7","5","1") = "7"
    & skf18("4","5","8","2","7","6","1") = "7"
    & skf18("4","5","8","2","7","7","1") = "7"
    & skf18("4","5","8","2","7","8","1") = "7"
    & skf18("4","5","8","2","7","9","1") = "8"
    & skf18("4","5","8","2","7","10","1") = "9"
    & skf18("4","5","8","2","8","1","1") = "7"
    & skf18("4","5","8","2","8","2","1") = "7"
    & skf18("4","5","8","2","8","3","1") = "7"
    & skf18("4","5","8","2","8","4","1") = "7"
    & skf18("4","5","8","2","8","5","1") = "7"
    & skf18("4","5","8","2","8","6","1") = "7"
    & skf18("4","5","8","2","8","7","1") = "7"
    & skf18("4","5","8","2","8","8","1") = "7"
    & skf18("4","5","8","2","8","9","1") = "8"
    & skf18("4","5","8","2","8","10","1") = "9"
    & skf18("4","5","8","2","9","1","1") = "8"
    & skf18("4","5","8","2","9","2","1") = "8"
    & skf18("4","5","8","2","9","3","1") = "8"
    & skf18("4","5","8","2","9","4","1") = "8"
    & skf18("4","5","8","2","9","5","1") = "8"
    & skf18("4","5","8","2","9","6","1") = "8"
    & skf18("4","5","8","2","9","7","1") = "8"
    & skf18("4","5","8","2","9","8","1") = "8"
    & skf18("4","5","8","2","9","9","1") = "8"
    & skf18("4","5","8","2","9","10","1") = "9"
    & skf18("4","5","8","2","10","1","1") = "9"
    & skf18("4","5","8","2","10","2","1") = "9"
    & skf18("4","5","8","2","10","3","1") = "9"
    & skf18("4","5","8","2","10","4","1") = "9"
    & skf18("4","5","8","2","10","5","1") = "9"
    & skf18("4","5","8","2","10","6","1") = "9"
    & skf18("4","5","8","2","10","7","1") = "9"
    & skf18("4","5","8","2","10","8","1") = "9"
    & skf18("4","5","8","2","10","9","1") = "9"
    & skf18("4","5","8","2","10","10","1") = "9"
    & skf18("4","5","8","3","1","1","1") = "7"
    & skf18("4","5","8","3","1","2","1") = "7"
    & skf18("4","5","8","3","1","3","1") = "7"
    & skf18("4","5","8","3","1","4","1") = "7"
    & skf18("4","5","8","3","1","5","1") = "7"
    & skf18("4","5","8","3","1","6","1") = "7"
    & skf18("4","5","8","3","1","7","1") = "7"
    & skf18("4","5","8","3","1","8","1") = "7"
    & skf18("4","5","8","3","1","9","1") = "8"
    & skf18("4","5","8","3","1","10","1") = "9"
    & skf18("4","5","8","3","2","1","1") = "7"
    & skf18("4","5","8","3","2","2","1") = "7"
    & skf18("4","5","8","3","2","3","1") = "7"
    & skf18("4","5","8","3","2","4","1") = "7"
    & skf18("4","5","8","3","2","5","1") = "7"
    & skf18("4","5","8","3","2","6","1") = "7"
    & skf18("4","5","8","3","2","7","1") = "7"
    & skf18("4","5","8","3","2","8","1") = "7"
    & skf18("4","5","8","3","2","9","1") = "8"
    & skf18("4","5","8","3","2","10","1") = "9"
    & skf18("4","5","8","3","3","1","1") = "7"
    & skf18("4","5","8","3","3","2","1") = "7"
    & skf18("4","5","8","3","3","3","1") = "7"
    & skf18("4","5","8","3","3","4","1") = "7"
    & skf18("4","5","8","3","3","5","1") = "7"
    & skf18("4","5","8","3","3","6","1") = "7"
    & skf18("4","5","8","3","3","7","1") = "7"
    & skf18("4","5","8","3","3","8","1") = "7"
    & skf18("4","5","8","3","3","9","1") = "8"
    & skf18("4","5","8","3","3","10","1") = "9"
    & skf18("4","5","8","3","4","1","1") = "7"
    & skf18("4","5","8","3","4","2","1") = "7"
    & skf18("4","5","8","3","4","3","1") = "7"
    & skf18("4","5","8","3","4","4","1") = "7"
    & skf18("4","5","8","3","4","5","1") = "7"
    & skf18("4","5","8","3","4","6","1") = "7"
    & skf18("4","5","8","3","4","7","1") = "7"
    & skf18("4","5","8","3","4","8","1") = "7"
    & skf18("4","5","8","3","4","9","1") = "8"
    & skf18("4","5","8","3","4","10","1") = "9"
    & skf18("4","5","8","3","5","1","1") = "7"
    & skf18("4","5","8","3","5","2","1") = "7"
    & skf18("4","5","8","3","5","3","1") = "7"
    & skf18("4","5","8","3","5","4","1") = "7"
    & skf18("4","5","8","3","5","5","1") = "7"
    & skf18("4","5","8","3","5","6","1") = "7"
    & skf18("4","5","8","3","5","7","1") = "7"
    & skf18("4","5","8","3","5","8","1") = "7"
    & skf18("4","5","8","3","5","9","1") = "8"
    & skf18("4","5","8","3","5","10","1") = "9"
    & skf18("4","5","8","3","6","1","1") = "7"
    & skf18("4","5","8","3","6","2","1") = "7"
    & skf18("4","5","8","3","6","3","1") = "7"
    & skf18("4","5","8","3","6","4","1") = "7"
    & skf18("4","5","8","3","6","5","1") = "7"
    & skf18("4","5","8","3","6","6","1") = "7"
    & skf18("4","5","8","3","6","7","1") = "7"
    & skf18("4","5","8","3","6","8","1") = "7"
    & skf18("4","5","8","3","6","9","1") = "8"
    & skf18("4","5","8","3","6","10","1") = "9"
    & skf18("4","5","8","3","7","1","1") = "7"
    & skf18("4","5","8","3","7","2","1") = "7"
    & skf18("4","5","8","3","7","3","1") = "7"
    & skf18("4","5","8","3","7","4","1") = "7"
    & skf18("4","5","8","3","7","5","1") = "7"
    & skf18("4","5","8","3","7","6","1") = "7"
    & skf18("4","5","8","3","7","7","1") = "7"
    & skf18("4","5","8","3","7","8","1") = "7"
    & skf18("4","5","8","3","7","9","1") = "8"
    & skf18("4","5","8","3","7","10","1") = "9"
    & skf18("4","5","8","3","8","1","1") = "7"
    & skf18("4","5","8","3","8","2","1") = "7"
    & skf18("4","5","8","3","8","3","1") = "7"
    & skf18("4","5","8","3","8","4","1") = "7"
    & skf18("4","5","8","3","8","5","1") = "7"
    & skf18("4","5","8","3","8","6","1") = "7"
    & skf18("4","5","8","3","8","7","1") = "7"
    & skf18("4","5","8","3","8","8","1") = "7"
    & skf18("4","5","8","3","8","9","1") = "8"
    & skf18("4","5","8","3","8","10","1") = "9"
    & skf18("4","5","8","3","9","1","1") = "8"
    & skf18("4","5","8","3","9","2","1") = "8"
    & skf18("4","5","8","3","9","3","1") = "8"
    & skf18("4","5","8","3","9","4","1") = "8"
    & skf18("4","5","8","3","9","5","1") = "8"
    & skf18("4","5","8","3","9","6","1") = "8"
    & skf18("4","5","8","3","9","7","1") = "8"
    & skf18("4","5","8","3","9","8","1") = "8"
    & skf18("4","5","8","3","9","9","1") = "8"
    & skf18("4","5","8","3","9","10","1") = "9"
    & skf18("4","5","8","3","10","1","1") = "9"
    & skf18("4","5","8","3","10","2","1") = "9"
    & skf18("4","5","8","3","10","3","1") = "9"
    & skf18("4","5","8","3","10","4","1") = "9"
    & skf18("4","5","8","3","10","5","1") = "9"
    & skf18("4","5","8","3","10","6","1") = "9"
    & skf18("4","5","8","3","10","7","1") = "9"
    & skf18("4","5","8","3","10","8","1") = "9"
    & skf18("4","5","8","3","10","9","1") = "9"
    & skf18("4","5","8","3","10","10","1") = "9"
    & skf18("4","5","8","4","1","1","1") = "7"
    & skf18("4","5","8","4","1","2","1") = "7"
    & skf18("4","5","8","4","1","3","1") = "7"
    & skf18("4","5","8","4","1","4","1") = "7"
    & skf18("4","5","8","4","1","5","1") = "7"
    & skf18("4","5","8","4","1","6","1") = "7"
    & skf18("4","5","8","4","1","7","1") = "7"
    & skf18("4","5","8","4","1","8","1") = "7"
    & skf18("4","5","8","4","1","9","1") = "8"
    & skf18("4","5","8","4","1","10","1") = "9"
    & skf18("4","5","8","4","2","1","1") = "7"
    & skf18("4","5","8","4","2","2","1") = "7"
    & skf18("4","5","8","4","2","3","1") = "7"
    & skf18("4","5","8","4","2","4","1") = "7"
    & skf18("4","5","8","4","2","5","1") = "7"
    & skf18("4","5","8","4","2","6","1") = "7"
    & skf18("4","5","8","4","2","7","1") = "7"
    & skf18("4","5","8","4","2","8","1") = "7"
    & skf18("4","5","8","4","2","9","1") = "8"
    & skf18("4","5","8","4","2","10","1") = "9"
    & skf18("4","5","8","4","3","1","1") = "7"
    & skf18("4","5","8","4","3","2","1") = "7"
    & skf18("4","5","8","4","3","3","1") = "7"
    & skf18("4","5","8","4","3","4","1") = "7"
    & skf18("4","5","8","4","3","5","1") = "7"
    & skf18("4","5","8","4","3","6","1") = "7"
    & skf18("4","5","8","4","3","7","1") = "7"
    & skf18("4","5","8","4","3","8","1") = "7"
    & skf18("4","5","8","4","3","9","1") = "8"
    & skf18("4","5","8","4","3","10","1") = "9"
    & skf18("4","5","8","4","4","1","1") = "7"
    & skf18("4","5","8","4","4","2","1") = "7"
    & skf18("4","5","8","4","4","3","1") = "7"
    & skf18("4","5","8","4","4","4","1") = "7"
    & skf18("4","5","8","4","4","5","1") = "7"
    & skf18("4","5","8","4","4","6","1") = "7"
    & skf18("4","5","8","4","4","7","1") = "7"
    & skf18("4","5","8","4","4","8","1") = "7"
    & skf18("4","5","8","4","4","9","1") = "8"
    & skf18("4","5","8","4","4","10","1") = "9"
    & skf18("4","5","8","4","5","1","1") = "7"
    & skf18("4","5","8","4","5","2","1") = "7"
    & skf18("4","5","8","4","5","3","1") = "7"
    & skf18("4","5","8","4","5","4","1") = "7"
    & skf18("4","5","8","4","5","5","1") = "7"
    & skf18("4","5","8","4","5","6","1") = "7"
    & skf18("4","5","8","4","5","7","1") = "7"
    & skf18("4","5","8","4","5","8","1") = "7"
    & skf18("4","5","8","4","5","9","1") = "8"
    & skf18("4","5","8","4","5","10","1") = "9"
    & skf18("4","5","8","4","6","1","1") = "7"
    & skf18("4","5","8","4","6","2","1") = "7"
    & skf18("4","5","8","4","6","3","1") = "7"
    & skf18("4","5","8","4","6","4","1") = "7"
    & skf18("4","5","8","4","6","5","1") = "7"
    & skf18("4","5","8","4","6","6","1") = "7"
    & skf18("4","5","8","4","6","7","1") = "7"
    & skf18("4","5","8","4","6","8","1") = "7"
    & skf18("4","5","8","4","6","9","1") = "8"
    & skf18("4","5","8","4","6","10","1") = "9"
    & skf18("4","5","8","4","7","1","1") = "7"
    & skf18("4","5","8","4","7","2","1") = "7"
    & skf18("4","5","8","4","7","3","1") = "7"
    & skf18("4","5","8","4","7","4","1") = "7"
    & skf18("4","5","8","4","7","5","1") = "7"
    & skf18("4","5","8","4","7","6","1") = "7"
    & skf18("4","5","8","4","7","7","1") = "7"
    & skf18("4","5","8","4","7","8","1") = "7"
    & skf18("4","5","8","4","7","9","1") = "8"
    & skf18("4","5","8","4","7","10","1") = "9"
    & skf18("4","5","8","4","8","1","1") = "7"
    & skf18("4","5","8","4","8","2","1") = "7"
    & skf18("4","5","8","4","8","3","1") = "7"
    & skf18("4","5","8","4","8","4","1") = "7"
    & skf18("4","5","8","4","8","5","1") = "7"
    & skf18("4","5","8","4","8","6","1") = "7"
    & skf18("4","5","8","4","8","7","1") = "7"
    & skf18("4","5","8","4","8","8","1") = "7"
    & skf18("4","5","8","4","8","9","1") = "8"
    & skf18("4","5","8","4","8","10","1") = "9"
    & skf18("4","5","8","4","9","1","1") = "8"
    & skf18("4","5","8","4","9","2","1") = "8"
    & skf18("4","5","8","4","9","3","1") = "8"
    & skf18("4","5","8","4","9","4","1") = "8"
    & skf18("4","5","8","4","9","5","1") = "8"
    & skf18("4","5","8","4","9","6","1") = "8"
    & skf18("4","5","8","4","9","7","1") = "8"
    & skf18("4","5","8","4","9","8","1") = "8"
    & skf18("4","5","8","4","9","9","1") = "8"
    & skf18("4","5","8","4","9","10","1") = "9"
    & skf18("4","5","8","4","10","1","1") = "9"
    & skf18("4","5","8","4","10","2","1") = "9"
    & skf18("4","5","8","4","10","3","1") = "9"
    & skf18("4","5","8","4","10","4","1") = "9"
    & skf18("4","5","8","4","10","5","1") = "9"
    & skf18("4","5","8","4","10","6","1") = "9"
    & skf18("4","5","8","4","10","7","1") = "9"
    & skf18("4","5","8","4","10","8","1") = "9"
    & skf18("4","5","8","4","10","9","1") = "9"
    & skf18("4","5","8","4","10","10","1") = "9"
    & skf18("4","5","8","5","1","1","1") = "7"
    & skf18("4","5","8","5","1","2","1") = "7"
    & skf18("4","5","8","5","1","3","1") = "7"
    & skf18("4","5","8","5","1","4","1") = "7"
    & skf18("4","5","8","5","1","5","1") = "7"
    & skf18("4","5","8","5","1","6","1") = "7"
    & skf18("4","5","8","5","1","7","1") = "7"
    & skf18("4","5","8","5","1","8","1") = "7"
    & skf18("4","5","8","5","1","9","1") = "8"
    & skf18("4","5","8","5","1","10","1") = "9"
    & skf18("4","5","8","5","2","1","1") = "7"
    & skf18("4","5","8","5","2","2","1") = "7"
    & skf18("4","5","8","5","2","3","1") = "7"
    & skf18("4","5","8","5","2","4","1") = "7"
    & skf18("4","5","8","5","2","5","1") = "7"
    & skf18("4","5","8","5","2","6","1") = "7"
    & skf18("4","5","8","5","2","7","1") = "7"
    & skf18("4","5","8","5","2","8","1") = "7"
    & skf18("4","5","8","5","2","9","1") = "8"
    & skf18("4","5","8","5","2","10","1") = "9"
    & skf18("4","5","8","5","3","1","1") = "7"
    & skf18("4","5","8","5","3","2","1") = "7"
    & skf18("4","5","8","5","3","3","1") = "7"
    & skf18("4","5","8","5","3","4","1") = "7"
    & skf18("4","5","8","5","3","5","1") = "7"
    & skf18("4","5","8","5","3","6","1") = "7"
    & skf18("4","5","8","5","3","7","1") = "7"
    & skf18("4","5","8","5","3","8","1") = "7"
    & skf18("4","5","8","5","3","9","1") = "8"
    & skf18("4","5","8","5","3","10","1") = "9"
    & skf18("4","5","8","5","4","1","1") = "7"
    & skf18("4","5","8","5","4","2","1") = "7"
    & skf18("4","5","8","5","4","3","1") = "7"
    & skf18("4","5","8","5","4","4","1") = "7"
    & skf18("4","5","8","5","4","5","1") = "7"
    & skf18("4","5","8","5","4","6","1") = "7"
    & skf18("4","5","8","5","4","7","1") = "7"
    & skf18("4","5","8","5","4","8","1") = "7"
    & skf18("4","5","8","5","4","9","1") = "8"
    & skf18("4","5","8","5","4","10","1") = "9"
    & skf18("4","5","8","5","5","1","1") = "7"
    & skf18("4","5","8","5","5","2","1") = "7"
    & skf18("4","5","8","5","5","3","1") = "7"
    & skf18("4","5","8","5","5","4","1") = "7"
    & skf18("4","5","8","5","5","5","1") = "7"
    & skf18("4","5","8","5","5","6","1") = "7"
    & skf18("4","5","8","5","5","7","1") = "7"
    & skf18("4","5","8","5","5","8","1") = "7"
    & skf18("4","5","8","5","5","9","1") = "8"
    & skf18("4","5","8","5","5","10","1") = "9"
    & skf18("4","5","8","5","6","1","1") = "7"
    & skf18("4","5","8","5","6","2","1") = "7"
    & skf18("4","5","8","5","6","3","1") = "7"
    & skf18("4","5","8","5","6","4","1") = "7"
    & skf18("4","5","8","5","6","5","1") = "7"
    & skf18("4","5","8","5","6","6","1") = "7"
    & skf18("4","5","8","5","6","7","1") = "7"
    & skf18("4","5","8","5","6","8","1") = "7"
    & skf18("4","5","8","5","6","9","1") = "8"
    & skf18("4","5","8","5","6","10","1") = "9"
    & skf18("4","5","8","5","7","1","1") = "7"
    & skf18("4","5","8","5","7","2","1") = "7"
    & skf18("4","5","8","5","7","3","1") = "7"
    & skf18("4","5","8","5","7","4","1") = "7"
    & skf18("4","5","8","5","7","5","1") = "7"
    & skf18("4","5","8","5","7","6","1") = "7"
    & skf18("4","5","8","5","7","7","1") = "7"
    & skf18("4","5","8","5","7","8","1") = "7"
    & skf18("4","5","8","5","7","9","1") = "8"
    & skf18("4","5","8","5","7","10","1") = "9"
    & skf18("4","5","8","5","8","1","1") = "7"
    & skf18("4","5","8","5","8","2","1") = "7"
    & skf18("4","5","8","5","8","3","1") = "7"
    & skf18("4","5","8","5","8","4","1") = "7"
    & skf18("4","5","8","5","8","5","1") = "7"
    & skf18("4","5","8","5","8","6","1") = "7"
    & skf18("4","5","8","5","8","7","1") = "7"
    & skf18("4","5","8","5","8","8","1") = "7"
    & skf18("4","5","8","5","8","9","1") = "8"
    & skf18("4","5","8","5","8","10","1") = "9"
    & skf18("4","5","8","5","9","1","1") = "8"
    & skf18("4","5","8","5","9","2","1") = "8"
    & skf18("4","5","8","5","9","3","1") = "8"
    & skf18("4","5","8","5","9","4","1") = "8"
    & skf18("4","5","8","5","9","5","1") = "8"
    & skf18("4","5","8","5","9","6","1") = "8"
    & skf18("4","5","8","5","9","7","1") = "8"
    & skf18("4","5","8","5","9","8","1") = "8"
    & skf18("4","5","8","5","9","9","1") = "8"
    & skf18("4","5","8","5","9","10","1") = "9"
    & skf18("4","5","8","5","10","1","1") = "9"
    & skf18("4","5","8","5","10","2","1") = "9"
    & skf18("4","5","8","5","10","3","1") = "9"
    & skf18("4","5","8","5","10","4","1") = "9"
    & skf18("4","5","8","5","10","5","1") = "9"
    & skf18("4","5","8","5","10","6","1") = "9"
    & skf18("4","5","8","5","10","7","1") = "9"
    & skf18("4","5","8","5","10","8","1") = "9"
    & skf18("4","5","8","5","10","9","1") = "9"
    & skf18("4","5","8","5","10","10","1") = "9"
    & skf18("4","5","8","6","1","1","1") = "7"
    & skf18("4","5","8","6","1","2","1") = "7"
    & skf18("4","5","8","6","1","3","1") = "7"
    & skf18("4","5","8","6","1","4","1") = "7"
    & skf18("4","5","8","6","1","5","1") = "7"
    & skf18("4","5","8","6","1","6","1") = "7"
    & skf18("4","5","8","6","1","7","1") = "7"
    & skf18("4","5","8","6","1","8","1") = "7"
    & skf18("4","5","8","6","1","9","1") = "8"
    & skf18("4","5","8","6","1","10","1") = "9"
    & skf18("4","5","8","6","2","1","1") = "7"
    & skf18("4","5","8","6","2","2","1") = "7"
    & skf18("4","5","8","6","2","3","1") = "7"
    & skf18("4","5","8","6","2","4","1") = "7"
    & skf18("4","5","8","6","2","5","1") = "7"
    & skf18("4","5","8","6","2","6","1") = "7"
    & skf18("4","5","8","6","2","7","1") = "7"
    & skf18("4","5","8","6","2","8","1") = "7"
    & skf18("4","5","8","6","2","9","1") = "8"
    & skf18("4","5","8","6","2","10","1") = "9"
    & skf18("4","5","8","6","3","1","1") = "7"
    & skf18("4","5","8","6","3","2","1") = "7"
    & skf18("4","5","8","6","3","3","1") = "7"
    & skf18("4","5","8","6","3","4","1") = "7"
    & skf18("4","5","8","6","3","5","1") = "7"
    & skf18("4","5","8","6","3","6","1") = "7"
    & skf18("4","5","8","6","3","7","1") = "7"
    & skf18("4","5","8","6","3","8","1") = "7"
    & skf18("4","5","8","6","3","9","1") = "8"
    & skf18("4","5","8","6","3","10","1") = "9"
    & skf18("4","5","8","6","4","1","1") = "7"
    & skf18("4","5","8","6","4","2","1") = "7"
    & skf18("4","5","8","6","4","3","1") = "7"
    & skf18("4","5","8","6","4","4","1") = "7"
    & skf18("4","5","8","6","4","5","1") = "7"
    & skf18("4","5","8","6","4","6","1") = "7"
    & skf18("4","5","8","6","4","7","1") = "7"
    & skf18("4","5","8","6","4","8","1") = "7"
    & skf18("4","5","8","6","4","9","1") = "8"
    & skf18("4","5","8","6","4","10","1") = "9"
    & skf18("4","5","8","6","5","1","1") = "7"
    & skf18("4","5","8","6","5","2","1") = "7"
    & skf18("4","5","8","6","5","3","1") = "7"
    & skf18("4","5","8","6","5","4","1") = "7"
    & skf18("4","5","8","6","5","5","1") = "7"
    & skf18("4","5","8","6","5","6","1") = "7"
    & skf18("4","5","8","6","5","7","1") = "7"
    & skf18("4","5","8","6","5","8","1") = "7"
    & skf18("4","5","8","6","5","9","1") = "8"
    & skf18("4","5","8","6","5","10","1") = "9"
    & skf18("4","5","8","6","6","1","1") = "7"
    & skf18("4","5","8","6","6","2","1") = "7"
    & skf18("4","5","8","6","6","3","1") = "7"
    & skf18("4","5","8","6","6","4","1") = "7"
    & skf18("4","5","8","6","6","5","1") = "7"
    & skf18("4","5","8","6","6","6","1") = "7"
    & skf18("4","5","8","6","6","7","1") = "7"
    & skf18("4","5","8","6","6","8","1") = "7"
    & skf18("4","5","8","6","6","9","1") = "8"
    & skf18("4","5","8","6","6","10","1") = "9"
    & skf18("4","5","8","6","7","1","1") = "7"
    & skf18("4","5","8","6","7","2","1") = "7"
    & skf18("4","5","8","6","7","3","1") = "7"
    & skf18("4","5","8","6","7","4","1") = "7"
    & skf18("4","5","8","6","7","5","1") = "7"
    & skf18("4","5","8","6","7","6","1") = "7"
    & skf18("4","5","8","6","7","7","1") = "7"
    & skf18("4","5","8","6","7","8","1") = "7"
    & skf18("4","5","8","6","7","9","1") = "8"
    & skf18("4","5","8","6","7","10","1") = "9"
    & skf18("4","5","8","6","8","1","1") = "7"
    & skf18("4","5","8","6","8","2","1") = "7"
    & skf18("4","5","8","6","8","3","1") = "7"
    & skf18("4","5","8","6","8","4","1") = "7"
    & skf18("4","5","8","6","8","5","1") = "7"
    & skf18("4","5","8","6","8","6","1") = "7"
    & skf18("4","5","8","6","8","7","1") = "7"
    & skf18("4","5","8","6","8","8","1") = "7"
    & skf18("4","5","8","6","8","9","1") = "8"
    & skf18("4","5","8","6","8","10","1") = "9"
    & skf18("4","5","8","6","9","1","1") = "8"
    & skf18("4","5","8","6","9","2","1") = "8"
    & skf18("4","5","8","6","9","3","1") = "8"
    & skf18("4","5","8","6","9","4","1") = "8"
    & skf18("4","5","8","6","9","5","1") = "8"
    & skf18("4","5","8","6","9","6","1") = "8"
    & skf18("4","5","8","6","9","7","1") = "8"
    & skf18("4","5","8","6","9","8","1") = "8"
    & skf18("4","5","8","6","9","9","1") = "8"
    & skf18("4","5","8","6","9","10","1") = "9"
    & skf18("4","5","8","6","10","1","1") = "9"
    & skf18("4","5","8","6","10","2","1") = "9"
    & skf18("4","5","8","6","10","3","1") = "9"
    & skf18("4","5","8","6","10","4","1") = "9"
    & skf18("4","5","8","6","10","5","1") = "9"
    & skf18("4","5","8","6","10","6","1") = "9"
    & skf18("4","5","8","6","10","7","1") = "9"
    & skf18("4","5","8","6","10","8","1") = "9"
    & skf18("4","5","8","6","10","9","1") = "9"
    & skf18("4","5","8","6","10","10","1") = "9"
    & skf18("4","5","8","7","1","1","1") = "7"
    & skf18("4","5","8","7","1","2","1") = "7"
    & skf18("4","5","8","7","1","3","1") = "7"
    & skf18("4","5","8","7","1","4","1") = "7"
    & skf18("4","5","8","7","1","5","1") = "7"
    & skf18("4","5","8","7","1","6","1") = "7"
    & skf18("4","5","8","7","1","7","1") = "7"
    & skf18("4","5","8","7","1","8","1") = "7"
    & skf18("4","5","8","7","1","9","1") = "8"
    & skf18("4","5","8","7","1","10","1") = "9"
    & skf18("4","5","8","7","2","1","1") = "7"
    & skf18("4","5","8","7","2","2","1") = "7"
    & skf18("4","5","8","7","2","3","1") = "7"
    & skf18("4","5","8","7","2","4","1") = "7"
    & skf18("4","5","8","7","2","5","1") = "7"
    & skf18("4","5","8","7","2","6","1") = "7"
    & skf18("4","5","8","7","2","7","1") = "7"
    & skf18("4","5","8","7","2","8","1") = "7"
    & skf18("4","5","8","7","2","9","1") = "8"
    & skf18("4","5","8","7","2","10","1") = "9"
    & skf18("4","5","8","7","3","1","1") = "7"
    & skf18("4","5","8","7","3","2","1") = "7"
    & skf18("4","5","8","7","3","3","1") = "7"
    & skf18("4","5","8","7","3","4","1") = "7"
    & skf18("4","5","8","7","3","5","1") = "7"
    & skf18("4","5","8","7","3","6","1") = "7"
    & skf18("4","5","8","7","3","7","1") = "7"
    & skf18("4","5","8","7","3","8","1") = "7"
    & skf18("4","5","8","7","3","9","1") = "8"
    & skf18("4","5","8","7","3","10","1") = "9"
    & skf18("4","5","8","7","4","1","1") = "7"
    & skf18("4","5","8","7","4","2","1") = "7"
    & skf18("4","5","8","7","4","3","1") = "7"
    & skf18("4","5","8","7","4","4","1") = "7"
    & skf18("4","5","8","7","4","5","1") = "7"
    & skf18("4","5","8","7","4","6","1") = "7"
    & skf18("4","5","8","7","4","7","1") = "7"
    & skf18("4","5","8","7","4","8","1") = "7"
    & skf18("4","5","8","7","4","9","1") = "8"
    & skf18("4","5","8","7","4","10","1") = "9"
    & skf18("4","5","8","7","5","1","1") = "7"
    & skf18("4","5","8","7","5","2","1") = "7"
    & skf18("4","5","8","7","5","3","1") = "7"
    & skf18("4","5","8","7","5","4","1") = "7"
    & skf18("4","5","8","7","5","5","1") = "7"
    & skf18("4","5","8","7","5","6","1") = "7"
    & skf18("4","5","8","7","5","7","1") = "7"
    & skf18("4","5","8","7","5","8","1") = "7"
    & skf18("4","5","8","7","5","9","1") = "8"
    & skf18("4","5","8","7","5","10","1") = "9"
    & skf18("4","5","8","7","6","1","1") = "7"
    & skf18("4","5","8","7","6","2","1") = "7"
    & skf18("4","5","8","7","6","3","1") = "7"
    & skf18("4","5","8","7","6","4","1") = "7"
    & skf18("4","5","8","7","6","5","1") = "7"
    & skf18("4","5","8","7","6","6","1") = "7"
    & skf18("4","5","8","7","6","7","1") = "7"
    & skf18("4","5","8","7","6","8","1") = "7"
    & skf18("4","5","8","7","6","9","1") = "8"
    & skf18("4","5","8","7","6","10","1") = "9"
    & skf18("4","5","8","7","7","1","1") = "7"
    & skf18("4","5","8","7","7","2","1") = "7"
    & skf18("4","5","8","7","7","3","1") = "7"
    & skf18("4","5","8","7","7","4","1") = "7"
    & skf18("4","5","8","7","7","5","1") = "7"
    & skf18("4","5","8","7","7","6","1") = "7"
    & skf18("4","5","8","7","7","7","1") = "7"
    & skf18("4","5","8","7","7","8","1") = "7"
    & skf18("4","5","8","7","7","9","1") = "8"
    & skf18("4","5","8","7","7","10","1") = "9"
    & skf18("4","5","8","7","8","1","1") = "7"
    & skf18("4","5","8","7","8","2","1") = "7"
    & skf18("4","5","8","7","8","3","1") = "7"
    & skf18("4","5","8","7","8","4","1") = "7"
    & skf18("4","5","8","7","8","5","1") = "7"
    & skf18("4","5","8","7","8","6","1") = "7"
    & skf18("4","5","8","7","8","7","1") = "7"
    & skf18("4","5","8","7","8","8","1") = "7"
    & skf18("4","5","8","7","8","9","1") = "8"
    & skf18("4","5","8","7","8","10","1") = "9"
    & skf18("4","5","8","7","9","1","1") = "8"
    & skf18("4","5","8","7","9","2","1") = "8"
    & skf18("4","5","8","7","9","3","1") = "8"
    & skf18("4","5","8","7","9","4","1") = "8"
    & skf18("4","5","8","7","9","5","1") = "8"
    & skf18("4","5","8","7","9","6","1") = "8"
    & skf18("4","5","8","7","9","7","1") = "8"
    & skf18("4","5","8","7","9","8","1") = "8"
    & skf18("4","5","8","7","9","9","1") = "8"
    & skf18("4","5","8","7","9","10","1") = "9"
    & skf18("4","5","8","7","10","1","1") = "9"
    & skf18("4","5","8","7","10","2","1") = "9"
    & skf18("4","5","8","7","10","3","1") = "9"
    & skf18("4","5","8","7","10","4","1") = "9"
    & skf18("4","5","8","7","10","5","1") = "9"
    & skf18("4","5","8","7","10","6","1") = "9"
    & skf18("4","5","8","7","10","7","1") = "9"
    & skf18("4","5","8","7","10","8","1") = "9"
    & skf18("4","5","8","7","10","9","1") = "9"
    & skf18("4","5","8","7","10","10","1") = "9"
    & skf18("4","5","8","8","1","1","1") = "7"
    & skf18("4","5","8","8","1","2","1") = "7"
    & skf18("4","5","8","8","1","3","1") = "7"
    & skf18("4","5","8","8","1","4","1") = "7"
    & skf18("4","5","8","8","1","5","1") = "7"
    & skf18("4","5","8","8","1","6","1") = "7"
    & skf18("4","5","8","8","1","7","1") = "7"
    & skf18("4","5","8","8","1","8","1") = "7"
    & skf18("4","5","8","8","1","9","1") = "8"
    & skf18("4","5","8","8","1","10","1") = "9"
    & skf18("4","5","8","8","2","1","1") = "7"
    & skf18("4","5","8","8","2","2","1") = "7"
    & skf18("4","5","8","8","2","3","1") = "7"
    & skf18("4","5","8","8","2","4","1") = "7"
    & skf18("4","5","8","8","2","5","1") = "7"
    & skf18("4","5","8","8","2","6","1") = "7"
    & skf18("4","5","8","8","2","7","1") = "7"
    & skf18("4","5","8","8","2","8","1") = "7"
    & skf18("4","5","8","8","2","9","1") = "8"
    & skf18("4","5","8","8","2","10","1") = "9"
    & skf18("4","5","8","8","3","1","1") = "7"
    & skf18("4","5","8","8","3","2","1") = "7"
    & skf18("4","5","8","8","3","3","1") = "7"
    & skf18("4","5","8","8","3","4","1") = "7"
    & skf18("4","5","8","8","3","5","1") = "7"
    & skf18("4","5","8","8","3","6","1") = "7"
    & skf18("4","5","8","8","3","7","1") = "7"
    & skf18("4","5","8","8","3","8","1") = "7"
    & skf18("4","5","8","8","3","9","1") = "8"
    & skf18("4","5","8","8","3","10","1") = "9"
    & skf18("4","5","8","8","4","1","1") = "7"
    & skf18("4","5","8","8","4","2","1") = "7"
    & skf18("4","5","8","8","4","3","1") = "7"
    & skf18("4","5","8","8","4","4","1") = "7"
    & skf18("4","5","8","8","4","5","1") = "7"
    & skf18("4","5","8","8","4","6","1") = "7"
    & skf18("4","5","8","8","4","7","1") = "7"
    & skf18("4","5","8","8","4","8","1") = "7"
    & skf18("4","5","8","8","4","9","1") = "8"
    & skf18("4","5","8","8","4","10","1") = "9"
    & skf18("4","5","8","8","5","1","1") = "7"
    & skf18("4","5","8","8","5","2","1") = "7"
    & skf18("4","5","8","8","5","3","1") = "7"
    & skf18("4","5","8","8","5","4","1") = "7"
    & skf18("4","5","8","8","5","5","1") = "7"
    & skf18("4","5","8","8","5","6","1") = "7"
    & skf18("4","5","8","8","5","7","1") = "7"
    & skf18("4","5","8","8","5","8","1") = "7"
    & skf18("4","5","8","8","5","9","1") = "8"
    & skf18("4","5","8","8","5","10","1") = "9"
    & skf18("4","5","8","8","6","1","1") = "7"
    & skf18("4","5","8","8","6","2","1") = "7"
    & skf18("4","5","8","8","6","3","1") = "7"
    & skf18("4","5","8","8","6","4","1") = "7"
    & skf18("4","5","8","8","6","5","1") = "7"
    & skf18("4","5","8","8","6","6","1") = "7"
    & skf18("4","5","8","8","6","7","1") = "7"
    & skf18("4","5","8","8","6","8","1") = "7"
    & skf18("4","5","8","8","6","9","1") = "8"
    & skf18("4","5","8","8","6","10","1") = "9"
    & skf18("4","5","8","8","7","1","1") = "7"
    & skf18("4","5","8","8","7","2","1") = "7"
    & skf18("4","5","8","8","7","3","1") = "7"
    & skf18("4","5","8","8","7","4","1") = "7"
    & skf18("4","5","8","8","7","5","1") = "7"
    & skf18("4","5","8","8","7","6","1") = "7"
    & skf18("4","5","8","8","7","7","1") = "7"
    & skf18("4","5","8","8","7","8","1") = "7"
    & skf18("4","5","8","8","7","9","1") = "8"
    & skf18("4","5","8","8","7","10","1") = "9"
    & skf18("4","5","8","8","8","1","1") = "7"
    & skf18("4","5","8","8","8","2","1") = "7"
    & skf18("4","5","8","8","8","3","1") = "7"
    & skf18("4","5","8","8","8","4","1") = "7"
    & skf18("4","5","8","8","8","5","1") = "7"
    & skf18("4","5","8","8","8","6","1") = "7"
    & skf18("4","5","8","8","8","7","1") = "7"
    & skf18("4","5","8","8","8","8","1") = "7"
    & skf18("4","5","8","8","8","9","1") = "8"
    & skf18("4","5","8","8","8","10","1") = "9"
    & skf18("4","5","8","8","9","1","1") = "8"
    & skf18("4","5","8","8","9","2","1") = "8"
    & skf18("4","5","8","8","9","3","1") = "8"
    & skf18("4","5","8","8","9","4","1") = "8"
    & skf18("4","5","8","8","9","5","1") = "8"
    & skf18("4","5","8","8","9","6","1") = "8"
    & skf18("4","5","8","8","9","7","1") = "8"
    & skf18("4","5","8","8","9","8","1") = "8"
    & skf18("4","5","8","8","9","9","1") = "8"
    & skf18("4","5","8","8","9","10","1") = "9"
    & skf18("4","5","8","8","10","1","1") = "9"
    & skf18("4","5","8","8","10","2","1") = "9"
    & skf18("4","5","8","8","10","3","1") = "9"
    & skf18("4","5","8","8","10","4","1") = "9"
    & skf18("4","5","8","8","10","5","1") = "9"
    & skf18("4","5","8","8","10","6","1") = "9"
    & skf18("4","5","8","8","10","7","1") = "9"
    & skf18("4","5","8","8","10","8","1") = "9"
    & skf18("4","5","8","8","10","9","1") = "9"
    & skf18("4","5","8","8","10","10","1") = "9"
    & skf18("4","5","8","9","1","1","1") = "8"
    & skf18("4","5","8","9","1","2","1") = "8"
    & skf18("4","5","8","9","1","3","1") = "8"
    & skf18("4","5","8","9","1","4","1") = "8"
    & skf18("4","5","8","9","1","5","1") = "8"
    & skf18("4","5","8","9","1","6","1") = "8"
    & skf18("4","5","8","9","1","7","1") = "8"
    & skf18("4","5","8","9","1","8","1") = "8"
    & skf18("4","5","8","9","1","9","1") = "8"
    & skf18("4","5","8","9","1","10","1") = "9"
    & skf18("4","5","8","9","2","1","1") = "8"
    & skf18("4","5","8","9","2","2","1") = "8"
    & skf18("4","5","8","9","2","3","1") = "8"
    & skf18("4","5","8","9","2","4","1") = "8"
    & skf18("4","5","8","9","2","5","1") = "8"
    & skf18("4","5","8","9","2","6","1") = "8"
    & skf18("4","5","8","9","2","7","1") = "8"
    & skf18("4","5","8","9","2","8","1") = "8"
    & skf18("4","5","8","9","2","9","1") = "8"
    & skf18("4","5","8","9","2","10","1") = "9"
    & skf18("4","5","8","9","3","1","1") = "8"
    & skf18("4","5","8","9","3","2","1") = "8"
    & skf18("4","5","8","9","3","3","1") = "8"
    & skf18("4","5","8","9","3","4","1") = "8"
    & skf18("4","5","8","9","3","5","1") = "8"
    & skf18("4","5","8","9","3","6","1") = "8"
    & skf18("4","5","8","9","3","7","1") = "8"
    & skf18("4","5","8","9","3","8","1") = "8"
    & skf18("4","5","8","9","3","9","1") = "8"
    & skf18("4","5","8","9","3","10","1") = "9"
    & skf18("4","5","8","9","4","1","1") = "8"
    & skf18("4","5","8","9","4","2","1") = "8"
    & skf18("4","5","8","9","4","3","1") = "8"
    & skf18("4","5","8","9","4","4","1") = "8"
    & skf18("4","5","8","9","4","5","1") = "8"
    & skf18("4","5","8","9","4","6","1") = "8"
    & skf18("4","5","8","9","4","7","1") = "8"
    & skf18("4","5","8","9","4","8","1") = "8"
    & skf18("4","5","8","9","4","9","1") = "8"
    & skf18("4","5","8","9","4","10","1") = "9"
    & skf18("4","5","8","9","5","1","1") = "8"
    & skf18("4","5","8","9","5","2","1") = "8"
    & skf18("4","5","8","9","5","3","1") = "8"
    & skf18("4","5","8","9","5","4","1") = "8"
    & skf18("4","5","8","9","5","5","1") = "8"
    & skf18("4","5","8","9","5","6","1") = "8"
    & skf18("4","5","8","9","5","7","1") = "8"
    & skf18("4","5","8","9","5","8","1") = "8"
    & skf18("4","5","8","9","5","9","1") = "8"
    & skf18("4","5","8","9","5","10","1") = "9"
    & skf18("4","5","8","9","6","1","1") = "8"
    & skf18("4","5","8","9","6","2","1") = "8"
    & skf18("4","5","8","9","6","3","1") = "8"
    & skf18("4","5","8","9","6","4","1") = "8"
    & skf18("4","5","8","9","6","5","1") = "8"
    & skf18("4","5","8","9","6","6","1") = "8"
    & skf18("4","5","8","9","6","7","1") = "8"
    & skf18("4","5","8","9","6","8","1") = "8"
    & skf18("4","5","8","9","6","9","1") = "8"
    & skf18("4","5","8","9","6","10","1") = "9"
    & skf18("4","5","8","9","7","1","1") = "8"
    & skf18("4","5","8","9","7","2","1") = "8"
    & skf18("4","5","8","9","7","3","1") = "8"
    & skf18("4","5","8","9","7","4","1") = "8"
    & skf18("4","5","8","9","7","5","1") = "8"
    & skf18("4","5","8","9","7","6","1") = "8"
    & skf18("4","5","8","9","7","7","1") = "8"
    & skf18("4","5","8","9","7","8","1") = "8"
    & skf18("4","5","8","9","7","9","1") = "8"
    & skf18("4","5","8","9","7","10","1") = "9"
    & skf18("4","5","8","9","8","1","1") = "8"
    & skf18("4","5","8","9","8","2","1") = "8"
    & skf18("4","5","8","9","8","3","1") = "8"
    & skf18("4","5","8","9","8","4","1") = "8"
    & skf18("4","5","8","9","8","5","1") = "8"
    & skf18("4","5","8","9","8","6","1") = "8"
    & skf18("4","5","8","9","8","7","1") = "8"
    & skf18("4","5","8","9","8","8","1") = "8"
    & skf18("4","5","8","9","8","9","1") = "8"
    & skf18("4","5","8","9","8","10","1") = "9"
    & skf18("4","5","8","9","9","1","1") = "8"
    & skf18("4","5","8","9","9","2","1") = "8"
    & skf18("4","5","8","9","9","3","1") = "8"
    & skf18("4","5","8","9","9","4","1") = "8"
    & skf18("4","5","8","9","9","5","1") = "8"
    & skf18("4","5","8","9","9","6","1") = "8"
    & skf18("4","5","8","9","9","7","1") = "8"
    & skf18("4","5","8","9","9","8","1") = "8"
    & skf18("4","5","8","9","9","9","1") = "8"
    & skf18("4","5","8","9","9","10","1") = "9"
    & skf18("4","5","8","9","10","1","1") = "9"
    & skf18("4","5","8","9","10","2","1") = "9"
    & skf18("4","5","8","9","10","3","1") = "9"
    & skf18("4","5","8","9","10","4","1") = "9"
    & skf18("4","5","8","9","10","5","1") = "9"
    & skf18("4","5","8","9","10","6","1") = "9"
    & skf18("4","5","8","9","10","7","1") = "9"
    & skf18("4","5","8","9","10","8","1") = "9"
    & skf18("4","5","8","9","10","9","1") = "9"
    & skf18("4","5","8","9","10","10","1") = "9"
    & skf18("4","5","8","10","1","1","1") = "9"
    & skf18("4","5","8","10","1","2","1") = "9"
    & skf18("4","5","8","10","1","3","1") = "9"
    & skf18("4","5","8","10","1","4","1") = "9"
    & skf18("4","5","8","10","1","5","1") = "9"
    & skf18("4","5","8","10","1","6","1") = "9"
    & skf18("4","5","8","10","1","7","1") = "9"
    & skf18("4","5","8","10","1","8","1") = "9"
    & skf18("4","5","8","10","1","9","1") = "9"
    & skf18("4","5","8","10","1","10","1") = "9"
    & skf18("4","5","8","10","2","1","1") = "9"
    & skf18("4","5","8","10","2","2","1") = "9"
    & skf18("4","5","8","10","2","3","1") = "9"
    & skf18("4","5","8","10","2","4","1") = "9"
    & skf18("4","5","8","10","2","5","1") = "9"
    & skf18("4","5","8","10","2","6","1") = "9"
    & skf18("4","5","8","10","2","7","1") = "9"
    & skf18("4","5","8","10","2","8","1") = "9"
    & skf18("4","5","8","10","2","9","1") = "9"
    & skf18("4","5","8","10","2","10","1") = "9"
    & skf18("4","5","8","10","3","1","1") = "9"
    & skf18("4","5","8","10","3","2","1") = "9"
    & skf18("4","5","8","10","3","3","1") = "9"
    & skf18("4","5","8","10","3","4","1") = "9"
    & skf18("4","5","8","10","3","5","1") = "9"
    & skf18("4","5","8","10","3","6","1") = "9"
    & skf18("4","5","8","10","3","7","1") = "9"
    & skf18("4","5","8","10","3","8","1") = "9"
    & skf18("4","5","8","10","3","9","1") = "9"
    & skf18("4","5","8","10","3","10","1") = "9"
    & skf18("4","5","8","10","4","1","1") = "9"
    & skf18("4","5","8","10","4","2","1") = "9"
    & skf18("4","5","8","10","4","3","1") = "9"
    & skf18("4","5","8","10","4","4","1") = "9"
    & skf18("4","5","8","10","4","5","1") = "9"
    & skf18("4","5","8","10","4","6","1") = "9"
    & skf18("4","5","8","10","4","7","1") = "9"
    & skf18("4","5","8","10","4","8","1") = "9"
    & skf18("4","5","8","10","4","9","1") = "9"
    & skf18("4","5","8","10","4","10","1") = "9"
    & skf18("4","5","8","10","5","1","1") = "9"
    & skf18("4","5","8","10","5","2","1") = "9"
    & skf18("4","5","8","10","5","3","1") = "9"
    & skf18("4","5","8","10","5","4","1") = "9"
    & skf18("4","5","8","10","5","5","1") = "9"
    & skf18("4","5","8","10","5","6","1") = "9"
    & skf18("4","5","8","10","5","7","1") = "9"
    & skf18("4","5","8","10","5","8","1") = "9"
    & skf18("4","5","8","10","5","9","1") = "9"
    & skf18("4","5","8","10","5","10","1") = "9"
    & skf18("4","5","8","10","6","1","1") = "9"
    & skf18("4","5","8","10","6","2","1") = "9"
    & skf18("4","5","8","10","6","3","1") = "9"
    & skf18("4","5","8","10","6","4","1") = "9"
    & skf18("4","5","8","10","6","5","1") = "9"
    & skf18("4","5","8","10","6","6","1") = "9"
    & skf18("4","5","8","10","6","7","1") = "9"
    & skf18("4","5","8","10","6","8","1") = "9"
    & skf18("4","5","8","10","6","9","1") = "9"
    & skf18("4","5","8","10","6","10","1") = "9"
    & skf18("4","5","8","10","7","1","1") = "9"
    & skf18("4","5","8","10","7","2","1") = "9"
    & skf18("4","5","8","10","7","3","1") = "9"
    & skf18("4","5","8","10","7","4","1") = "9"
    & skf18("4","5","8","10","7","5","1") = "9"
    & skf18("4","5","8","10","7","6","1") = "9"
    & skf18("4","5","8","10","7","7","1") = "9"
    & skf18("4","5","8","10","7","8","1") = "9"
    & skf18("4","5","8","10","7","9","1") = "9"
    & skf18("4","5","8","10","7","10","1") = "9"
    & skf18("4","5","8","10","8","1","1") = "9"
    & skf18("4","5","8","10","8","2","1") = "9"
    & skf18("4","5","8","10","8","3","1") = "9"
    & skf18("4","5","8","10","8","4","1") = "9"
    & skf18("4","5","8","10","8","5","1") = "9"
    & skf18("4","5","8","10","8","6","1") = "9"
    & skf18("4","5","8","10","8","7","1") = "9"
    & skf18("4","5","8","10","8","8","1") = "9"
    & skf18("4","5","8","10","8","9","1") = "9"
    & skf18("4","5","8","10","8","10","1") = "9"
    & skf18("4","5","8","10","9","1","1") = "9"
    & skf18("4","5","8","10","9","2","1") = "9"
    & skf18("4","5","8","10","9","3","1") = "9"
    & skf18("4","5","8","10","9","4","1") = "9"
    & skf18("4","5","8","10","9","5","1") = "9"
    & skf18("4","5","8","10","9","6","1") = "9"
    & skf18("4","5","8","10","9","7","1") = "9"
    & skf18("4","5","8","10","9","8","1") = "9"
    & skf18("4","5","8","10","9","9","1") = "9"
    & skf18("4","5","8","10","9","10","1") = "9"
    & skf18("4","5","8","10","10","1","1") = "9"
    & skf18("4","5","8","10","10","2","1") = "9"
    & skf18("4","5","8","10","10","3","1") = "9"
    & skf18("4","5","8","10","10","4","1") = "9"
    & skf18("4","5","8","10","10","5","1") = "9"
    & skf18("4","5","8","10","10","6","1") = "9"
    & skf18("4","5","8","10","10","7","1") = "9"
    & skf18("4","5","8","10","10","8","1") = "9"
    & skf18("4","5","8","10","10","9","1") = "9"
    & skf18("4","5","8","10","10","10","1") = "9"
    & skf18("4","5","9","1","1","1","1") = "8"
    & skf18("4","5","9","1","1","2","1") = "8"
    & skf18("4","5","9","1","1","3","1") = "8"
    & skf18("4","5","9","1","1","4","1") = "8"
    & skf18("4","5","9","1","1","5","1") = "8"
    & skf18("4","5","9","1","1","6","1") = "8"
    & skf18("4","5","9","1","1","7","1") = "8"
    & skf18("4","5","9","1","1","8","1") = "8"
    & skf18("4","5","9","1","1","9","1") = "8"
    & skf18("4","5","9","1","1","10","1") = "9"
    & skf18("4","5","9","1","2","1","1") = "8"
    & skf18("4","5","9","1","2","2","1") = "8"
    & skf18("4","5","9","1","2","3","1") = "8"
    & skf18("4","5","9","1","2","4","1") = "8"
    & skf18("4","5","9","1","2","5","1") = "8"
    & skf18("4","5","9","1","2","6","1") = "8"
    & skf18("4","5","9","1","2","7","1") = "8"
    & skf18("4","5","9","1","2","8","1") = "8"
    & skf18("4","5","9","1","2","9","1") = "8"
    & skf18("4","5","9","1","2","10","1") = "9"
    & skf18("4","5","9","1","3","1","1") = "8"
    & skf18("4","5","9","1","3","2","1") = "8"
    & skf18("4","5","9","1","3","3","1") = "8"
    & skf18("4","5","9","1","3","4","1") = "8"
    & skf18("4","5","9","1","3","5","1") = "8"
    & skf18("4","5","9","1","3","6","1") = "8"
    & skf18("4","5","9","1","3","7","1") = "8"
    & skf18("4","5","9","1","3","8","1") = "8"
    & skf18("4","5","9","1","3","9","1") = "8"
    & skf18("4","5","9","1","3","10","1") = "9"
    & skf18("4","5","9","1","4","1","1") = "8"
    & skf18("4","5","9","1","4","2","1") = "8"
    & skf18("4","5","9","1","4","3","1") = "8"
    & skf18("4","5","9","1","4","4","1") = "8"
    & skf18("4","5","9","1","4","5","1") = "8"
    & skf18("4","5","9","1","4","6","1") = "8"
    & skf18("4","5","9","1","4","7","1") = "8"
    & skf18("4","5","9","1","4","8","1") = "8"
    & skf18("4","5","9","1","4","9","1") = "8"
    & skf18("4","5","9","1","4","10","1") = "9"
    & skf18("4","5","9","1","5","1","1") = "8"
    & skf18("4","5","9","1","5","2","1") = "8"
    & skf18("4","5","9","1","5","3","1") = "8"
    & skf18("4","5","9","1","5","4","1") = "8"
    & skf18("4","5","9","1","5","5","1") = "8"
    & skf18("4","5","9","1","5","6","1") = "8"
    & skf18("4","5","9","1","5","7","1") = "8"
    & skf18("4","5","9","1","5","8","1") = "8"
    & skf18("4","5","9","1","5","9","1") = "8"
    & skf18("4","5","9","1","5","10","1") = "9"
    & skf18("4","5","9","1","6","1","1") = "8"
    & skf18("4","5","9","1","6","2","1") = "8"
    & skf18("4","5","9","1","6","3","1") = "8"
    & skf18("4","5","9","1","6","4","1") = "8"
    & skf18("4","5","9","1","6","5","1") = "8"
    & skf18("4","5","9","1","6","6","1") = "8"
    & skf18("4","5","9","1","6","7","1") = "8"
    & skf18("4","5","9","1","6","8","1") = "8"
    & skf18("4","5","9","1","6","9","1") = "8"
    & skf18("4","5","9","1","6","10","1") = "9"
    & skf18("4","5","9","1","7","1","1") = "8"
    & skf18("4","5","9","1","7","2","1") = "8"
    & skf18("4","5","9","1","7","3","1") = "8"
    & skf18("4","5","9","1","7","4","1") = "8"
    & skf18("4","5","9","1","7","5","1") = "8"
    & skf18("4","5","9","1","7","6","1") = "8"
    & skf18("4","5","9","1","7","7","1") = "8"
    & skf18("4","5","9","1","7","8","1") = "8"
    & skf18("4","5","9","1","7","9","1") = "8"
    & skf18("4","5","9","1","7","10","1") = "9"
    & skf18("4","5","9","1","8","1","1") = "8"
    & skf18("4","5","9","1","8","2","1") = "8"
    & skf18("4","5","9","1","8","3","1") = "8"
    & skf18("4","5","9","1","8","4","1") = "8"
    & skf18("4","5","9","1","8","5","1") = "8"
    & skf18("4","5","9","1","8","6","1") = "8"
    & skf18("4","5","9","1","8","7","1") = "8"
    & skf18("4","5","9","1","8","8","1") = "8"
    & skf18("4","5","9","1","8","9","1") = "8"
    & skf18("4","5","9","1","8","10","1") = "9"
    & skf18("4","5","9","1","9","1","1") = "8"
    & skf18("4","5","9","1","9","2","1") = "8"
    & skf18("4","5","9","1","9","3","1") = "8"
    & skf18("4","5","9","1","9","4","1") = "8"
    & skf18("4","5","9","1","9","5","1") = "8"
    & skf18("4","5","9","1","9","6","1") = "8"
    & skf18("4","5","9","1","9","7","1") = "8"
    & skf18("4","5","9","1","9","8","1") = "8"
    & skf18("4","5","9","1","9","9","1") = "8"
    & skf18("4","5","9","1","9","10","1") = "9"
    & skf18("4","5","9","1","10","1","1") = "9"
    & skf18("4","5","9","1","10","2","1") = "9"
    & skf18("4","5","9","1","10","3","1") = "9"
    & skf18("4","5","9","1","10","4","1") = "9"
    & skf18("4","5","9","1","10","5","1") = "9"
    & skf18("4","5","9","1","10","6","1") = "9"
    & skf18("4","5","9","1","10","7","1") = "9"
    & skf18("4","5","9","1","10","8","1") = "9"
    & skf18("4","5","9","1","10","9","1") = "9"
    & skf18("4","5","9","1","10","10","1") = "9"
    & skf18("4","5","9","2","1","1","1") = "8"
    & skf18("4","5","9","2","1","2","1") = "8"
    & skf18("4","5","9","2","1","3","1") = "8"
    & skf18("4","5","9","2","1","4","1") = "8"
    & skf18("4","5","9","2","1","5","1") = "8"
    & skf18("4","5","9","2","1","6","1") = "8"
    & skf18("4","5","9","2","1","7","1") = "8"
    & skf18("4","5","9","2","1","8","1") = "8"
    & skf18("4","5","9","2","1","9","1") = "8"
    & skf18("4","5","9","2","1","10","1") = "9"
    & skf18("4","5","9","2","2","1","1") = "8"
    & skf18("4","5","9","2","2","2","1") = "8"
    & skf18("4","5","9","2","2","3","1") = "8"
    & skf18("4","5","9","2","2","4","1") = "8"
    & skf18("4","5","9","2","2","5","1") = "8"
    & skf18("4","5","9","2","2","6","1") = "8"
    & skf18("4","5","9","2","2","7","1") = "8"
    & skf18("4","5","9","2","2","8","1") = "8"
    & skf18("4","5","9","2","2","9","1") = "8"
    & skf18("4","5","9","2","2","10","1") = "9"
    & skf18("4","5","9","2","3","1","1") = "8"
    & skf18("4","5","9","2","3","2","1") = "8"
    & skf18("4","5","9","2","3","3","1") = "8"
    & skf18("4","5","9","2","3","4","1") = "8"
    & skf18("4","5","9","2","3","5","1") = "8"
    & skf18("4","5","9","2","3","6","1") = "8"
    & skf18("4","5","9","2","3","7","1") = "8"
    & skf18("4","5","9","2","3","8","1") = "8"
    & skf18("4","5","9","2","3","9","1") = "8"
    & skf18("4","5","9","2","3","10","1") = "9"
    & skf18("4","5","9","2","4","1","1") = "8"
    & skf18("4","5","9","2","4","2","1") = "8"
    & skf18("4","5","9","2","4","3","1") = "8"
    & skf18("4","5","9","2","4","4","1") = "8"
    & skf18("4","5","9","2","4","5","1") = "8"
    & skf18("4","5","9","2","4","6","1") = "8"
    & skf18("4","5","9","2","4","7","1") = "8"
    & skf18("4","5","9","2","4","8","1") = "8"
    & skf18("4","5","9","2","4","9","1") = "8"
    & skf18("4","5","9","2","4","10","1") = "9"
    & skf18("4","5","9","2","5","1","1") = "8"
    & skf18("4","5","9","2","5","2","1") = "8"
    & skf18("4","5","9","2","5","3","1") = "8"
    & skf18("4","5","9","2","5","4","1") = "8"
    & skf18("4","5","9","2","5","5","1") = "8"
    & skf18("4","5","9","2","5","6","1") = "8"
    & skf18("4","5","9","2","5","7","1") = "8"
    & skf18("4","5","9","2","5","8","1") = "8"
    & skf18("4","5","9","2","5","9","1") = "8"
    & skf18("4","5","9","2","5","10","1") = "9"
    & skf18("4","5","9","2","6","1","1") = "8"
    & skf18("4","5","9","2","6","2","1") = "8"
    & skf18("4","5","9","2","6","3","1") = "8"
    & skf18("4","5","9","2","6","4","1") = "8"
    & skf18("4","5","9","2","6","5","1") = "8"
    & skf18("4","5","9","2","6","6","1") = "8"
    & skf18("4","5","9","2","6","7","1") = "8"
    & skf18("4","5","9","2","6","8","1") = "8"
    & skf18("4","5","9","2","6","9","1") = "8"
    & skf18("4","5","9","2","6","10","1") = "9"
    & skf18("4","5","9","2","7","1","1") = "8"
    & skf18("4","5","9","2","7","2","1") = "8"
    & skf18("4","5","9","2","7","3","1") = "8"
    & skf18("4","5","9","2","7","4","1") = "8"
    & skf18("4","5","9","2","7","5","1") = "8"
    & skf18("4","5","9","2","7","6","1") = "8"
    & skf18("4","5","9","2","7","7","1") = "8"
    & skf18("4","5","9","2","7","8","1") = "8"
    & skf18("4","5","9","2","7","9","1") = "8"
    & skf18("4","5","9","2","7","10","1") = "9"
    & skf18("4","5","9","2","8","1","1") = "8"
    & skf18("4","5","9","2","8","2","1") = "8"
    & skf18("4","5","9","2","8","3","1") = "8"
    & skf18("4","5","9","2","8","4","1") = "8"
    & skf18("4","5","9","2","8","5","1") = "8"
    & skf18("4","5","9","2","8","6","1") = "8"
    & skf18("4","5","9","2","8","7","1") = "8"
    & skf18("4","5","9","2","8","8","1") = "8"
    & skf18("4","5","9","2","8","9","1") = "8"
    & skf18("4","5","9","2","8","10","1") = "9"
    & skf18("4","5","9","2","9","1","1") = "8"
    & skf18("4","5","9","2","9","2","1") = "8"
    & skf18("4","5","9","2","9","3","1") = "8"
    & skf18("4","5","9","2","9","4","1") = "8"
    & skf18("4","5","9","2","9","5","1") = "8"
    & skf18("4","5","9","2","9","6","1") = "8"
    & skf18("4","5","9","2","9","7","1") = "8"
    & skf18("4","5","9","2","9","8","1") = "8"
    & skf18("4","5","9","2","9","9","1") = "8"
    & skf18("4","5","9","2","9","10","1") = "9"
    & skf18("4","5","9","2","10","1","1") = "9"
    & skf18("4","5","9","2","10","2","1") = "9"
    & skf18("4","5","9","2","10","3","1") = "9"
    & skf18("4","5","9","2","10","4","1") = "9"
    & skf18("4","5","9","2","10","5","1") = "9"
    & skf18("4","5","9","2","10","6","1") = "9"
    & skf18("4","5","9","2","10","7","1") = "9"
    & skf18("4","5","9","2","10","8","1") = "9"
    & skf18("4","5","9","2","10","9","1") = "9"
    & skf18("4","5","9","2","10","10","1") = "9"
    & skf18("4","5","9","3","1","1","1") = "8"
    & skf18("4","5","9","3","1","2","1") = "8"
    & skf18("4","5","9","3","1","3","1") = "8"
    & skf18("4","5","9","3","1","4","1") = "8"
    & skf18("4","5","9","3","1","5","1") = "8"
    & skf18("4","5","9","3","1","6","1") = "8"
    & skf18("4","5","9","3","1","7","1") = "8"
    & skf18("4","5","9","3","1","8","1") = "8"
    & skf18("4","5","9","3","1","9","1") = "8"
    & skf18("4","5","9","3","1","10","1") = "9"
    & skf18("4","5","9","3","2","1","1") = "8"
    & skf18("4","5","9","3","2","2","1") = "8"
    & skf18("4","5","9","3","2","3","1") = "8"
    & skf18("4","5","9","3","2","4","1") = "8"
    & skf18("4","5","9","3","2","5","1") = "8"
    & skf18("4","5","9","3","2","6","1") = "8"
    & skf18("4","5","9","3","2","7","1") = "8"
    & skf18("4","5","9","3","2","8","1") = "8"
    & skf18("4","5","9","3","2","9","1") = "8"
    & skf18("4","5","9","3","2","10","1") = "9"
    & skf18("4","5","9","3","3","1","1") = "8"
    & skf18("4","5","9","3","3","2","1") = "8"
    & skf18("4","5","9","3","3","3","1") = "8"
    & skf18("4","5","9","3","3","4","1") = "8"
    & skf18("4","5","9","3","3","5","1") = "8"
    & skf18("4","5","9","3","3","6","1") = "8"
    & skf18("4","5","9","3","3","7","1") = "8"
    & skf18("4","5","9","3","3","8","1") = "8"
    & skf18("4","5","9","3","3","9","1") = "8"
    & skf18("4","5","9","3","3","10","1") = "9"
    & skf18("4","5","9","3","4","1","1") = "8"
    & skf18("4","5","9","3","4","2","1") = "8"
    & skf18("4","5","9","3","4","3","1") = "8"
    & skf18("4","5","9","3","4","4","1") = "8"
    & skf18("4","5","9","3","4","5","1") = "8"
    & skf18("4","5","9","3","4","6","1") = "8"
    & skf18("4","5","9","3","4","7","1") = "8"
    & skf18("4","5","9","3","4","8","1") = "8"
    & skf18("4","5","9","3","4","9","1") = "8"
    & skf18("4","5","9","3","4","10","1") = "9"
    & skf18("4","5","9","3","5","1","1") = "8"
    & skf18("4","5","9","3","5","2","1") = "8"
    & skf18("4","5","9","3","5","3","1") = "8"
    & skf18("4","5","9","3","5","4","1") = "8"
    & skf18("4","5","9","3","5","5","1") = "8"
    & skf18("4","5","9","3","5","6","1") = "8"
    & skf18("4","5","9","3","5","7","1") = "8"
    & skf18("4","5","9","3","5","8","1") = "8"
    & skf18("4","5","9","3","5","9","1") = "8"
    & skf18("4","5","9","3","5","10","1") = "9"
    & skf18("4","5","9","3","6","1","1") = "8"
    & skf18("4","5","9","3","6","2","1") = "8"
    & skf18("4","5","9","3","6","3","1") = "8"
    & skf18("4","5","9","3","6","4","1") = "8"
    & skf18("4","5","9","3","6","5","1") = "8"
    & skf18("4","5","9","3","6","6","1") = "8"
    & skf18("4","5","9","3","6","7","1") = "8"
    & skf18("4","5","9","3","6","8","1") = "8"
    & skf18("4","5","9","3","6","9","1") = "8"
    & skf18("4","5","9","3","6","10","1") = "9"
    & skf18("4","5","9","3","7","1","1") = "8"
    & skf18("4","5","9","3","7","2","1") = "8"
    & skf18("4","5","9","3","7","3","1") = "8"
    & skf18("4","5","9","3","7","4","1") = "8"
    & skf18("4","5","9","3","7","5","1") = "8"
    & skf18("4","5","9","3","7","6","1") = "8"
    & skf18("4","5","9","3","7","7","1") = "8"
    & skf18("4","5","9","3","7","8","1") = "8"
    & skf18("4","5","9","3","7","9","1") = "8"
    & skf18("4","5","9","3","7","10","1") = "9"
    & skf18("4","5","9","3","8","1","1") = "8"
    & skf18("4","5","9","3","8","2","1") = "8"
    & skf18("4","5","9","3","8","3","1") = "8"
    & skf18("4","5","9","3","8","4","1") = "8"
    & skf18("4","5","9","3","8","5","1") = "8"
    & skf18("4","5","9","3","8","6","1") = "8"
    & skf18("4","5","9","3","8","7","1") = "8"
    & skf18("4","5","9","3","8","8","1") = "8"
    & skf18("4","5","9","3","8","9","1") = "8"
    & skf18("4","5","9","3","8","10","1") = "9"
    & skf18("4","5","9","3","9","1","1") = "8"
    & skf18("4","5","9","3","9","2","1") = "8"
    & skf18("4","5","9","3","9","3","1") = "8"
    & skf18("4","5","9","3","9","4","1") = "8"
    & skf18("4","5","9","3","9","5","1") = "8"
    & skf18("4","5","9","3","9","6","1") = "8"
    & skf18("4","5","9","3","9","7","1") = "8"
    & skf18("4","5","9","3","9","8","1") = "8"
    & skf18("4","5","9","3","9","9","1") = "8"
    & skf18("4","5","9","3","9","10","1") = "9"
    & skf18("4","5","9","3","10","1","1") = "9"
    & skf18("4","5","9","3","10","2","1") = "9"
    & skf18("4","5","9","3","10","3","1") = "9"
    & skf18("4","5","9","3","10","4","1") = "9"
    & skf18("4","5","9","3","10","5","1") = "9"
    & skf18("4","5","9","3","10","6","1") = "9"
    & skf18("4","5","9","3","10","7","1") = "9"
    & skf18("4","5","9","3","10","8","1") = "9"
    & skf18("4","5","9","3","10","9","1") = "9"
    & skf18("4","5","9","3","10","10","1") = "9"
    & skf18("4","5","9","4","1","1","1") = "8"
    & skf18("4","5","9","4","1","2","1") = "8"
    & skf18("4","5","9","4","1","3","1") = "8"
    & skf18("4","5","9","4","1","4","1") = "8"
    & skf18("4","5","9","4","1","5","1") = "8"
    & skf18("4","5","9","4","1","6","1") = "8"
    & skf18("4","5","9","4","1","7","1") = "8"
    & skf18("4","5","9","4","1","8","1") = "8"
    & skf18("4","5","9","4","1","9","1") = "8"
    & skf18("4","5","9","4","1","10","1") = "9"
    & skf18("4","5","9","4","2","1","1") = "8"
    & skf18("4","5","9","4","2","2","1") = "8"
    & skf18("4","5","9","4","2","3","1") = "8"
    & skf18("4","5","9","4","2","4","1") = "8"
    & skf18("4","5","9","4","2","5","1") = "8"
    & skf18("4","5","9","4","2","6","1") = "8"
    & skf18("4","5","9","4","2","7","1") = "8"
    & skf18("4","5","9","4","2","8","1") = "8"
    & skf18("4","5","9","4","2","9","1") = "8"
    & skf18("4","5","9","4","2","10","1") = "9"
    & skf18("4","5","9","4","3","1","1") = "8"
    & skf18("4","5","9","4","3","2","1") = "8"
    & skf18("4","5","9","4","3","3","1") = "8"
    & skf18("4","5","9","4","3","4","1") = "8"
    & skf18("4","5","9","4","3","5","1") = "8"
    & skf18("4","5","9","4","3","6","1") = "8"
    & skf18("4","5","9","4","3","7","1") = "8"
    & skf18("4","5","9","4","3","8","1") = "8"
    & skf18("4","5","9","4","3","9","1") = "8"
    & skf18("4","5","9","4","3","10","1") = "9"
    & skf18("4","5","9","4","4","1","1") = "8"
    & skf18("4","5","9","4","4","2","1") = "8"
    & skf18("4","5","9","4","4","3","1") = "8"
    & skf18("4","5","9","4","4","4","1") = "8"
    & skf18("4","5","9","4","4","5","1") = "8"
    & skf18("4","5","9","4","4","6","1") = "8"
    & skf18("4","5","9","4","4","7","1") = "8"
    & skf18("4","5","9","4","4","8","1") = "8"
    & skf18("4","5","9","4","4","9","1") = "8"
    & skf18("4","5","9","4","4","10","1") = "9"
    & skf18("4","5","9","4","5","1","1") = "8"
    & skf18("4","5","9","4","5","2","1") = "8"
    & skf18("4","5","9","4","5","3","1") = "8"
    & skf18("4","5","9","4","5","4","1") = "8"
    & skf18("4","5","9","4","5","5","1") = "8"
    & skf18("4","5","9","4","5","6","1") = "8"
    & skf18("4","5","9","4","5","7","1") = "8"
    & skf18("4","5","9","4","5","8","1") = "8"
    & skf18("4","5","9","4","5","9","1") = "8"
    & skf18("4","5","9","4","5","10","1") = "9"
    & skf18("4","5","9","4","6","1","1") = "8"
    & skf18("4","5","9","4","6","2","1") = "8"
    & skf18("4","5","9","4","6","3","1") = "8"
    & skf18("4","5","9","4","6","4","1") = "8"
    & skf18("4","5","9","4","6","5","1") = "8"
    & skf18("4","5","9","4","6","6","1") = "8"
    & skf18("4","5","9","4","6","7","1") = "8"
    & skf18("4","5","9","4","6","8","1") = "8"
    & skf18("4","5","9","4","6","9","1") = "8"
    & skf18("4","5","9","4","6","10","1") = "9"
    & skf18("4","5","9","4","7","1","1") = "8"
    & skf18("4","5","9","4","7","2","1") = "8"
    & skf18("4","5","9","4","7","3","1") = "8"
    & skf18("4","5","9","4","7","4","1") = "8"
    & skf18("4","5","9","4","7","5","1") = "8"
    & skf18("4","5","9","4","7","6","1") = "8"
    & skf18("4","5","9","4","7","7","1") = "8"
    & skf18("4","5","9","4","7","8","1") = "8"
    & skf18("4","5","9","4","7","9","1") = "8"
    & skf18("4","5","9","4","7","10","1") = "9"
    & skf18("4","5","9","4","8","1","1") = "8"
    & skf18("4","5","9","4","8","2","1") = "8"
    & skf18("4","5","9","4","8","3","1") = "8"
    & skf18("4","5","9","4","8","4","1") = "8"
    & skf18("4","5","9","4","8","5","1") = "8"
    & skf18("4","5","9","4","8","6","1") = "8"
    & skf18("4","5","9","4","8","7","1") = "8"
    & skf18("4","5","9","4","8","8","1") = "8"
    & skf18("4","5","9","4","8","9","1") = "8"
    & skf18("4","5","9","4","8","10","1") = "9"
    & skf18("4","5","9","4","9","1","1") = "8"
    & skf18("4","5","9","4","9","2","1") = "8"
    & skf18("4","5","9","4","9","3","1") = "8"
    & skf18("4","5","9","4","9","4","1") = "8"
    & skf18("4","5","9","4","9","5","1") = "8"
    & skf18("4","5","9","4","9","6","1") = "8"
    & skf18("4","5","9","4","9","7","1") = "8"
    & skf18("4","5","9","4","9","8","1") = "8"
    & skf18("4","5","9","4","9","9","1") = "8"
    & skf18("4","5","9","4","9","10","1") = "9"
    & skf18("4","5","9","4","10","1","1") = "9"
    & skf18("4","5","9","4","10","2","1") = "9"
    & skf18("4","5","9","4","10","3","1") = "9"
    & skf18("4","5","9","4","10","4","1") = "9"
    & skf18("4","5","9","4","10","5","1") = "9"
    & skf18("4","5","9","4","10","6","1") = "9"
    & skf18("4","5","9","4","10","7","1") = "9"
    & skf18("4","5","9","4","10","8","1") = "9"
    & skf18("4","5","9","4","10","9","1") = "9"
    & skf18("4","5","9","4","10","10","1") = "9"
    & skf18("4","5","9","5","1","1","1") = "8"
    & skf18("4","5","9","5","1","2","1") = "8"
    & skf18("4","5","9","5","1","3","1") = "8"
    & skf18("4","5","9","5","1","4","1") = "8"
    & skf18("4","5","9","5","1","5","1") = "8"
    & skf18("4","5","9","5","1","6","1") = "8"
    & skf18("4","5","9","5","1","7","1") = "8"
    & skf18("4","5","9","5","1","8","1") = "8"
    & skf18("4","5","9","5","1","9","1") = "8"
    & skf18("4","5","9","5","1","10","1") = "9"
    & skf18("4","5","9","5","2","1","1") = "8"
    & skf18("4","5","9","5","2","2","1") = "8"
    & skf18("4","5","9","5","2","3","1") = "8"
    & skf18("4","5","9","5","2","4","1") = "8"
    & skf18("4","5","9","5","2","5","1") = "8"
    & skf18("4","5","9","5","2","6","1") = "8"
    & skf18("4","5","9","5","2","7","1") = "8"
    & skf18("4","5","9","5","2","8","1") = "8"
    & skf18("4","5","9","5","2","9","1") = "8"
    & skf18("4","5","9","5","2","10","1") = "9"
    & skf18("4","5","9","5","3","1","1") = "8"
    & skf18("4","5","9","5","3","2","1") = "8"
    & skf18("4","5","9","5","3","3","1") = "8"
    & skf18("4","5","9","5","3","4","1") = "8"
    & skf18("4","5","9","5","3","5","1") = "8"
    & skf18("4","5","9","5","3","6","1") = "8"
    & skf18("4","5","9","5","3","7","1") = "8"
    & skf18("4","5","9","5","3","8","1") = "8"
    & skf18("4","5","9","5","3","9","1") = "8"
    & skf18("4","5","9","5","3","10","1") = "9"
    & skf18("4","5","9","5","4","1","1") = "8"
    & skf18("4","5","9","5","4","2","1") = "8"
    & skf18("4","5","9","5","4","3","1") = "8"
    & skf18("4","5","9","5","4","4","1") = "8"
    & skf18("4","5","9","5","4","5","1") = "8"
    & skf18("4","5","9","5","4","6","1") = "8"
    & skf18("4","5","9","5","4","7","1") = "8"
    & skf18("4","5","9","5","4","8","1") = "8"
    & skf18("4","5","9","5","4","9","1") = "8"
    & skf18("4","5","9","5","4","10","1") = "9"
    & skf18("4","5","9","5","5","1","1") = "8"
    & skf18("4","5","9","5","5","2","1") = "8"
    & skf18("4","5","9","5","5","3","1") = "8"
    & skf18("4","5","9","5","5","4","1") = "8"
    & skf18("4","5","9","5","5","5","1") = "8"
    & skf18("4","5","9","5","5","6","1") = "8"
    & skf18("4","5","9","5","5","7","1") = "8"
    & skf18("4","5","9","5","5","8","1") = "8"
    & skf18("4","5","9","5","5","9","1") = "8"
    & skf18("4","5","9","5","5","10","1") = "9"
    & skf18("4","5","9","5","6","1","1") = "8"
    & skf18("4","5","9","5","6","2","1") = "8"
    & skf18("4","5","9","5","6","3","1") = "8"
    & skf18("4","5","9","5","6","4","1") = "8"
    & skf18("4","5","9","5","6","5","1") = "8"
    & skf18("4","5","9","5","6","6","1") = "8"
    & skf18("4","5","9","5","6","7","1") = "8"
    & skf18("4","5","9","5","6","8","1") = "8"
    & skf18("4","5","9","5","6","9","1") = "8"
    & skf18("4","5","9","5","6","10","1") = "9"
    & skf18("4","5","9","5","7","1","1") = "8"
    & skf18("4","5","9","5","7","2","1") = "8"
    & skf18("4","5","9","5","7","3","1") = "8"
    & skf18("4","5","9","5","7","4","1") = "8"
    & skf18("4","5","9","5","7","5","1") = "8"
    & skf18("4","5","9","5","7","6","1") = "8"
    & skf18("4","5","9","5","7","7","1") = "8"
    & skf18("4","5","9","5","7","8","1") = "8"
    & skf18("4","5","9","5","7","9","1") = "8"
    & skf18("4","5","9","5","7","10","1") = "9"
    & skf18("4","5","9","5","8","1","1") = "8"
    & skf18("4","5","9","5","8","2","1") = "8"
    & skf18("4","5","9","5","8","3","1") = "8"
    & skf18("4","5","9","5","8","4","1") = "8"
    & skf18("4","5","9","5","8","5","1") = "8"
    & skf18("4","5","9","5","8","6","1") = "8"
    & skf18("4","5","9","5","8","7","1") = "8"
    & skf18("4","5","9","5","8","8","1") = "8"
    & skf18("4","5","9","5","8","9","1") = "8"
    & skf18("4","5","9","5","8","10","1") = "9"
    & skf18("4","5","9","5","9","1","1") = "8"
    & skf18("4","5","9","5","9","2","1") = "8"
    & skf18("4","5","9","5","9","3","1") = "8"
    & skf18("4","5","9","5","9","4","1") = "8"
    & skf18("4","5","9","5","9","5","1") = "8"
    & skf18("4","5","9","5","9","6","1") = "8"
    & skf18("4","5","9","5","9","7","1") = "8"
    & skf18("4","5","9","5","9","8","1") = "8"
    & skf18("4","5","9","5","9","9","1") = "8"
    & skf18("4","5","9","5","9","10","1") = "9"
    & skf18("4","5","9","5","10","1","1") = "9"
    & skf18("4","5","9","5","10","2","1") = "9"
    & skf18("4","5","9","5","10","3","1") = "9"
    & skf18("4","5","9","5","10","4","1") = "9"
    & skf18("4","5","9","5","10","5","1") = "9"
    & skf18("4","5","9","5","10","6","1") = "9"
    & skf18("4","5","9","5","10","7","1") = "9"
    & skf18("4","5","9","5","10","8","1") = "9"
    & skf18("4","5","9","5","10","9","1") = "9"
    & skf18("4","5","9","5","10","10","1") = "9"
    & skf18("4","5","9","6","1","1","1") = "8"
    & skf18("4","5","9","6","1","2","1") = "8"
    & skf18("4","5","9","6","1","3","1") = "8"
    & skf18("4","5","9","6","1","4","1") = "8"
    & skf18("4","5","9","6","1","5","1") = "8"
    & skf18("4","5","9","6","1","6","1") = "8"
    & skf18("4","5","9","6","1","7","1") = "8"
    & skf18("4","5","9","6","1","8","1") = "8"
    & skf18("4","5","9","6","1","9","1") = "8"
    & skf18("4","5","9","6","1","10","1") = "9"
    & skf18("4","5","9","6","2","1","1") = "8"
    & skf18("4","5","9","6","2","2","1") = "8"
    & skf18("4","5","9","6","2","3","1") = "8"
    & skf18("4","5","9","6","2","4","1") = "8"
    & skf18("4","5","9","6","2","5","1") = "8"
    & skf18("4","5","9","6","2","6","1") = "8"
    & skf18("4","5","9","6","2","7","1") = "8"
    & skf18("4","5","9","6","2","8","1") = "8"
    & skf18("4","5","9","6","2","9","1") = "8"
    & skf18("4","5","9","6","2","10","1") = "9"
    & skf18("4","5","9","6","3","1","1") = "8"
    & skf18("4","5","9","6","3","2","1") = "8"
    & skf18("4","5","9","6","3","3","1") = "8"
    & skf18("4","5","9","6","3","4","1") = "8"
    & skf18("4","5","9","6","3","5","1") = "8"
    & skf18("4","5","9","6","3","6","1") = "8"
    & skf18("4","5","9","6","3","7","1") = "8"
    & skf18("4","5","9","6","3","8","1") = "8"
    & skf18("4","5","9","6","3","9","1") = "8"
    & skf18("4","5","9","6","3","10","1") = "9"
    & skf18("4","5","9","6","4","1","1") = "8"
    & skf18("4","5","9","6","4","2","1") = "8"
    & skf18("4","5","9","6","4","3","1") = "8"
    & skf18("4","5","9","6","4","4","1") = "8"
    & skf18("4","5","9","6","4","5","1") = "8"
    & skf18("4","5","9","6","4","6","1") = "8"
    & skf18("4","5","9","6","4","7","1") = "8"
    & skf18("4","5","9","6","4","8","1") = "8"
    & skf18("4","5","9","6","4","9","1") = "8"
    & skf18("4","5","9","6","4","10","1") = "9"
    & skf18("4","5","9","6","5","1","1") = "8"
    & skf18("4","5","9","6","5","2","1") = "8"
    & skf18("4","5","9","6","5","3","1") = "8"
    & skf18("4","5","9","6","5","4","1") = "8"
    & skf18("4","5","9","6","5","5","1") = "8"
    & skf18("4","5","9","6","5","6","1") = "8"
    & skf18("4","5","9","6","5","7","1") = "8"
    & skf18("4","5","9","6","5","8","1") = "8"
    & skf18("4","5","9","6","5","9","1") = "8"
    & skf18("4","5","9","6","5","10","1") = "9"
    & skf18("4","5","9","6","6","1","1") = "8"
    & skf18("4","5","9","6","6","2","1") = "8"
    & skf18("4","5","9","6","6","3","1") = "8"
    & skf18("4","5","9","6","6","4","1") = "8"
    & skf18("4","5","9","6","6","5","1") = "8"
    & skf18("4","5","9","6","6","6","1") = "8"
    & skf18("4","5","9","6","6","7","1") = "8"
    & skf18("4","5","9","6","6","8","1") = "8"
    & skf18("4","5","9","6","6","9","1") = "8"
    & skf18("4","5","9","6","6","10","1") = "9"
    & skf18("4","5","9","6","7","1","1") = "8"
    & skf18("4","5","9","6","7","2","1") = "8"
    & skf18("4","5","9","6","7","3","1") = "8"
    & skf18("4","5","9","6","7","4","1") = "8"
    & skf18("4","5","9","6","7","5","1") = "8"
    & skf18("4","5","9","6","7","6","1") = "8"
    & skf18("4","5","9","6","7","7","1") = "8"
    & skf18("4","5","9","6","7","8","1") = "8"
    & skf18("4","5","9","6","7","9","1") = "8"
    & skf18("4","5","9","6","7","10","1") = "9"
    & skf18("4","5","9","6","8","1","1") = "8"
    & skf18("4","5","9","6","8","2","1") = "8"
    & skf18("4","5","9","6","8","3","1") = "8"
    & skf18("4","5","9","6","8","4","1") = "8"
    & skf18("4","5","9","6","8","5","1") = "8"
    & skf18("4","5","9","6","8","6","1") = "8"
    & skf18("4","5","9","6","8","7","1") = "8"
    & skf18("4","5","9","6","8","8","1") = "8"
    & skf18("4","5","9","6","8","9","1") = "8"
    & skf18("4","5","9","6","8","10","1") = "9"
    & skf18("4","5","9","6","9","1","1") = "8"
    & skf18("4","5","9","6","9","2","1") = "8"
    & skf18("4","5","9","6","9","3","1") = "8"
    & skf18("4","5","9","6","9","4","1") = "8"
    & skf18("4","5","9","6","9","5","1") = "8"
    & skf18("4","5","9","6","9","6","1") = "8"
    & skf18("4","5","9","6","9","7","1") = "8"
    & skf18("4","5","9","6","9","8","1") = "8"
    & skf18("4","5","9","6","9","9","1") = "8"
    & skf18("4","5","9","6","9","10","1") = "9"
    & skf18("4","5","9","6","10","1","1") = "9"
    & skf18("4","5","9","6","10","2","1") = "9"
    & skf18("4","5","9","6","10","3","1") = "9"
    & skf18("4","5","9","6","10","4","1") = "9"
    & skf18("4","5","9","6","10","5","1") = "9"
    & skf18("4","5","9","6","10","6","1") = "9"
    & skf18("4","5","9","6","10","7","1") = "9"
    & skf18("4","5","9","6","10","8","1") = "9"
    & skf18("4","5","9","6","10","9","1") = "9"
    & skf18("4","5","9","6","10","10","1") = "9"
    & skf18("4","5","9","7","1","1","1") = "8"
    & skf18("4","5","9","7","1","2","1") = "8"
    & skf18("4","5","9","7","1","3","1") = "8"
    & skf18("4","5","9","7","1","4","1") = "8"
    & skf18("4","5","9","7","1","5","1") = "8"
    & skf18("4","5","9","7","1","6","1") = "8"
    & skf18("4","5","9","7","1","7","1") = "8"
    & skf18("4","5","9","7","1","8","1") = "8"
    & skf18("4","5","9","7","1","9","1") = "8"
    & skf18("4","5","9","7","1","10","1") = "9"
    & skf18("4","5","9","7","2","1","1") = "8"
    & skf18("4","5","9","7","2","2","1") = "8"
    & skf18("4","5","9","7","2","3","1") = "8"
    & skf18("4","5","9","7","2","4","1") = "8"
    & skf18("4","5","9","7","2","5","1") = "8"
    & skf18("4","5","9","7","2","6","1") = "8"
    & skf18("4","5","9","7","2","7","1") = "8"
    & skf18("4","5","9","7","2","8","1") = "8"
    & skf18("4","5","9","7","2","9","1") = "8"
    & skf18("4","5","9","7","2","10","1") = "9"
    & skf18("4","5","9","7","3","1","1") = "8"
    & skf18("4","5","9","7","3","2","1") = "8"
    & skf18("4","5","9","7","3","3","1") = "8"
    & skf18("4","5","9","7","3","4","1") = "8"
    & skf18("4","5","9","7","3","5","1") = "8"
    & skf18("4","5","9","7","3","6","1") = "8"
    & skf18("4","5","9","7","3","7","1") = "8"
    & skf18("4","5","9","7","3","8","1") = "8"
    & skf18("4","5","9","7","3","9","1") = "8"
    & skf18("4","5","9","7","3","10","1") = "9"
    & skf18("4","5","9","7","4","1","1") = "8"
    & skf18("4","5","9","7","4","2","1") = "8"
    & skf18("4","5","9","7","4","3","1") = "8"
    & skf18("4","5","9","7","4","4","1") = "8"
    & skf18("4","5","9","7","4","5","1") = "8"
    & skf18("4","5","9","7","4","6","1") = "8"
    & skf18("4","5","9","7","4","7","1") = "8"
    & skf18("4","5","9","7","4","8","1") = "8"
    & skf18("4","5","9","7","4","9","1") = "8"
    & skf18("4","5","9","7","4","10","1") = "9"
    & skf18("4","5","9","7","5","1","1") = "8"
    & skf18("4","5","9","7","5","2","1") = "8"
    & skf18("4","5","9","7","5","3","1") = "8"
    & skf18("4","5","9","7","5","4","1") = "8"
    & skf18("4","5","9","7","5","5","1") = "8"
    & skf18("4","5","9","7","5","6","1") = "8"
    & skf18("4","5","9","7","5","7","1") = "8"
    & skf18("4","5","9","7","5","8","1") = "8"
    & skf18("4","5","9","7","5","9","1") = "8"
    & skf18("4","5","9","7","5","10","1") = "9"
    & skf18("4","5","9","7","6","1","1") = "8"
    & skf18("4","5","9","7","6","2","1") = "8"
    & skf18("4","5","9","7","6","3","1") = "8"
    & skf18("4","5","9","7","6","4","1") = "8"
    & skf18("4","5","9","7","6","5","1") = "8"
    & skf18("4","5","9","7","6","6","1") = "8"
    & skf18("4","5","9","7","6","7","1") = "8"
    & skf18("4","5","9","7","6","8","1") = "8"
    & skf18("4","5","9","7","6","9","1") = "8"
    & skf18("4","5","9","7","6","10","1") = "9"
    & skf18("4","5","9","7","7","1","1") = "8"
    & skf18("4","5","9","7","7","2","1") = "8"
    & skf18("4","5","9","7","7","3","1") = "8"
    & skf18("4","5","9","7","7","4","1") = "8"
    & skf18("4","5","9","7","7","5","1") = "8"
    & skf18("4","5","9","7","7","6","1") = "8"
    & skf18("4","5","9","7","7","7","1") = "8"
    & skf18("4","5","9","7","7","8","1") = "8"
    & skf18("4","5","9","7","7","9","1") = "8"
    & skf18("4","5","9","7","7","10","1") = "9"
    & skf18("4","5","9","7","8","1","1") = "8"
    & skf18("4","5","9","7","8","2","1") = "8"
    & skf18("4","5","9","7","8","3","1") = "8"
    & skf18("4","5","9","7","8","4","1") = "8"
    & skf18("4","5","9","7","8","5","1") = "8"
    & skf18("4","5","9","7","8","6","1") = "8"
    & skf18("4","5","9","7","8","7","1") = "8"
    & skf18("4","5","9","7","8","8","1") = "8"
    & skf18("4","5","9","7","8","9","1") = "8"
    & skf18("4","5","9","7","8","10","1") = "9"
    & skf18("4","5","9","7","9","1","1") = "8"
    & skf18("4","5","9","7","9","2","1") = "8"
    & skf18("4","5","9","7","9","3","1") = "8"
    & skf18("4","5","9","7","9","4","1") = "8"
    & skf18("4","5","9","7","9","5","1") = "8"
    & skf18("4","5","9","7","9","6","1") = "8"
    & skf18("4","5","9","7","9","7","1") = "8"
    & skf18("4","5","9","7","9","8","1") = "8"
    & skf18("4","5","9","7","9","9","1") = "8"
    & skf18("4","5","9","7","9","10","1") = "9"
    & skf18("4","5","9","7","10","1","1") = "9"
    & skf18("4","5","9","7","10","2","1") = "9"
    & skf18("4","5","9","7","10","3","1") = "9"
    & skf18("4","5","9","7","10","4","1") = "9"
    & skf18("4","5","9","7","10","5","1") = "9"
    & skf18("4","5","9","7","10","6","1") = "9"
    & skf18("4","5","9","7","10","7","1") = "9"
    & skf18("4","5","9","7","10","8","1") = "9"
    & skf18("4","5","9","7","10","9","1") = "9"
    & skf18("4","5","9","7","10","10","1") = "9"
    & skf18("4","5","9","8","1","1","1") = "8"
    & skf18("4","5","9","8","1","2","1") = "8"
    & skf18("4","5","9","8","1","3","1") = "8"
    & skf18("4","5","9","8","1","4","1") = "8"
    & skf18("4","5","9","8","1","5","1") = "8"
    & skf18("4","5","9","8","1","6","1") = "8"
    & skf18("4","5","9","8","1","7","1") = "8"
    & skf18("4","5","9","8","1","8","1") = "8"
    & skf18("4","5","9","8","1","9","1") = "8"
    & skf18("4","5","9","8","1","10","1") = "9"
    & skf18("4","5","9","8","2","1","1") = "8"
    & skf18("4","5","9","8","2","2","1") = "8"
    & skf18("4","5","9","8","2","3","1") = "8"
    & skf18("4","5","9","8","2","4","1") = "8"
    & skf18("4","5","9","8","2","5","1") = "8"
    & skf18("4","5","9","8","2","6","1") = "8"
    & skf18("4","5","9","8","2","7","1") = "8"
    & skf18("4","5","9","8","2","8","1") = "8"
    & skf18("4","5","9","8","2","9","1") = "8"
    & skf18("4","5","9","8","2","10","1") = "9"
    & skf18("4","5","9","8","3","1","1") = "8"
    & skf18("4","5","9","8","3","2","1") = "8"
    & skf18("4","5","9","8","3","3","1") = "8"
    & skf18("4","5","9","8","3","4","1") = "8"
    & skf18("4","5","9","8","3","5","1") = "8"
    & skf18("4","5","9","8","3","6","1") = "8"
    & skf18("4","5","9","8","3","7","1") = "8"
    & skf18("4","5","9","8","3","8","1") = "8"
    & skf18("4","5","9","8","3","9","1") = "8"
    & skf18("4","5","9","8","3","10","1") = "9"
    & skf18("4","5","9","8","4","1","1") = "8"
    & skf18("4","5","9","8","4","2","1") = "8"
    & skf18("4","5","9","8","4","3","1") = "8"
    & skf18("4","5","9","8","4","4","1") = "8"
    & skf18("4","5","9","8","4","5","1") = "8"
    & skf18("4","5","9","8","4","6","1") = "8"
    & skf18("4","5","9","8","4","7","1") = "8"
    & skf18("4","5","9","8","4","8","1") = "8"
    & skf18("4","5","9","8","4","9","1") = "8"
    & skf18("4","5","9","8","4","10","1") = "9"
    & skf18("4","5","9","8","5","1","1") = "8"
    & skf18("4","5","9","8","5","2","1") = "8"
    & skf18("4","5","9","8","5","3","1") = "8"
    & skf18("4","5","9","8","5","4","1") = "8"
    & skf18("4","5","9","8","5","5","1") = "8"
    & skf18("4","5","9","8","5","6","1") = "8"
    & skf18("4","5","9","8","5","7","1") = "8"
    & skf18("4","5","9","8","5","8","1") = "8"
    & skf18("4","5","9","8","5","9","1") = "8"
    & skf18("4","5","9","8","5","10","1") = "9"
    & skf18("4","5","9","8","6","1","1") = "8"
    & skf18("4","5","9","8","6","2","1") = "8"
    & skf18("4","5","9","8","6","3","1") = "8"
    & skf18("4","5","9","8","6","4","1") = "8"
    & skf18("4","5","9","8","6","5","1") = "8"
    & skf18("4","5","9","8","6","6","1") = "8"
    & skf18("4","5","9","8","6","7","1") = "8"
    & skf18("4","5","9","8","6","8","1") = "8"
    & skf18("4","5","9","8","6","9","1") = "8"
    & skf18("4","5","9","8","6","10","1") = "9"
    & skf18("4","5","9","8","7","1","1") = "8"
    & skf18("4","5","9","8","7","2","1") = "8"
    & skf18("4","5","9","8","7","3","1") = "8"
    & skf18("4","5","9","8","7","4","1") = "8"
    & skf18("4","5","9","8","7","5","1") = "8"
    & skf18("4","5","9","8","7","6","1") = "8"
    & skf18("4","5","9","8","7","7","1") = "8"
    & skf18("4","5","9","8","7","8","1") = "8"
    & skf18("4","5","9","8","7","9","1") = "8"
    & skf18("4","5","9","8","7","10","1") = "9"
    & skf18("4","5","9","8","8","1","1") = "8"
    & skf18("4","5","9","8","8","2","1") = "8"
    & skf18("4","5","9","8","8","3","1") = "8"
    & skf18("4","5","9","8","8","4","1") = "8"
    & skf18("4","5","9","8","8","5","1") = "8"
    & skf18("4","5","9","8","8","6","1") = "8"
    & skf18("4","5","9","8","8","7","1") = "8"
    & skf18("4","5","9","8","8","8","1") = "8"
    & skf18("4","5","9","8","8","9","1") = "8"
    & skf18("4","5","9","8","8","10","1") = "9"
    & skf18("4","5","9","8","9","1","1") = "8"
    & skf18("4","5","9","8","9","2","1") = "8"
    & skf18("4","5","9","8","9","3","1") = "8"
    & skf18("4","5","9","8","9","4","1") = "8"
    & skf18("4","5","9","8","9","5","1") = "8"
    & skf18("4","5","9","8","9","6","1") = "8"
    & skf18("4","5","9","8","9","7","1") = "8"
    & skf18("4","5","9","8","9","8","1") = "8"
    & skf18("4","5","9","8","9","9","1") = "8"
    & skf18("4","5","9","8","9","10","1") = "9"
    & skf18("4","5","9","8","10","1","1") = "9"
    & skf18("4","5","9","8","10","2","1") = "9"
    & skf18("4","5","9","8","10","3","1") = "9"
    & skf18("4","5","9","8","10","4","1") = "9"
    & skf18("4","5","9","8","10","5","1") = "9"
    & skf18("4","5","9","8","10","6","1") = "9"
    & skf18("4","5","9","8","10","7","1") = "9"
    & skf18("4","5","9","8","10","8","1") = "9"
    & skf18("4","5","9","8","10","9","1") = "9"
    & skf18("4","5","9","8","10","10","1") = "9"
    & skf18("4","5","9","9","1","1","1") = "8"
    & skf18("4","5","9","9","1","2","1") = "8"
    & skf18("4","5","9","9","1","3","1") = "8"
    & skf18("4","5","9","9","1","4","1") = "8"
    & skf18("4","5","9","9","1","5","1") = "8"
    & skf18("4","5","9","9","1","6","1") = "8"
    & skf18("4","5","9","9","1","7","1") = "8"
    & skf18("4","5","9","9","1","8","1") = "8"
    & skf18("4","5","9","9","1","9","1") = "8"
    & skf18("4","5","9","9","1","10","1") = "9"
    & skf18("4","5","9","9","2","1","1") = "8"
    & skf18("4","5","9","9","2","2","1") = "8"
    & skf18("4","5","9","9","2","3","1") = "8"
    & skf18("4","5","9","9","2","4","1") = "8"
    & skf18("4","5","9","9","2","5","1") = "8"
    & skf18("4","5","9","9","2","6","1") = "8"
    & skf18("4","5","9","9","2","7","1") = "8"
    & skf18("4","5","9","9","2","8","1") = "8"
    & skf18("4","5","9","9","2","9","1") = "8"
    & skf18("4","5","9","9","2","10","1") = "9"
    & skf18("4","5","9","9","3","1","1") = "8"
    & skf18("4","5","9","9","3","2","1") = "8"
    & skf18("4","5","9","9","3","3","1") = "8"
    & skf18("4","5","9","9","3","4","1") = "8"
    & skf18("4","5","9","9","3","5","1") = "8"
    & skf18("4","5","9","9","3","6","1") = "8"
    & skf18("4","5","9","9","3","7","1") = "8"
    & skf18("4","5","9","9","3","8","1") = "8"
    & skf18("4","5","9","9","3","9","1") = "8"
    & skf18("4","5","9","9","3","10","1") = "9"
    & skf18("4","5","9","9","4","1","1") = "8"
    & skf18("4","5","9","9","4","2","1") = "8"
    & skf18("4","5","9","9","4","3","1") = "8"
    & skf18("4","5","9","9","4","4","1") = "8"
    & skf18("4","5","9","9","4","5","1") = "8"
    & skf18("4","5","9","9","4","6","1") = "8"
    & skf18("4","5","9","9","4","7","1") = "8"
    & skf18("4","5","9","9","4","8","1") = "8"
    & skf18("4","5","9","9","4","9","1") = "8"
    & skf18("4","5","9","9","4","10","1") = "9"
    & skf18("4","5","9","9","5","1","1") = "8"
    & skf18("4","5","9","9","5","2","1") = "8"
    & skf18("4","5","9","9","5","3","1") = "8"
    & skf18("4","5","9","9","5","4","1") = "8"
    & skf18("4","5","9","9","5","5","1") = "8"
    & skf18("4","5","9","9","5","6","1") = "8"
    & skf18("4","5","9","9","5","7","1") = "8"
    & skf18("4","5","9","9","5","8","1") = "8"
    & skf18("4","5","9","9","5","9","1") = "8"
    & skf18("4","5","9","9","5","10","1") = "9"
    & skf18("4","5","9","9","6","1","1") = "8"
    & skf18("4","5","9","9","6","2","1") = "8"
    & skf18("4","5","9","9","6","3","1") = "8"
    & skf18("4","5","9","9","6","4","1") = "8"
    & skf18("4","5","9","9","6","5","1") = "8"
    & skf18("4","5","9","9","6","6","1") = "8"
    & skf18("4","5","9","9","6","7","1") = "8"
    & skf18("4","5","9","9","6","8","1") = "8"
    & skf18("4","5","9","9","6","9","1") = "8"
    & skf18("4","5","9","9","6","10","1") = "9"
    & skf18("4","5","9","9","7","1","1") = "8"
    & skf18("4","5","9","9","7","2","1") = "8"
    & skf18("4","5","9","9","7","3","1") = "8"
    & skf18("4","5","9","9","7","4","1") = "8"
    & skf18("4","5","9","9","7","5","1") = "8"
    & skf18("4","5","9","9","7","6","1") = "8"
    & skf18("4","5","9","9","7","7","1") = "8"
    & skf18("4","5","9","9","7","8","1") = "8"
    & skf18("4","5","9","9","7","9","1") = "8"
    & skf18("4","5","9","9","7","10","1") = "9"
    & skf18("4","5","9","9","8","1","1") = "8"
    & skf18("4","5","9","9","8","2","1") = "8"
    & skf18("4","5","9","9","8","3","1") = "8"
    & skf18("4","5","9","9","8","4","1") = "8"
    & skf18("4","5","9","9","8","5","1") = "8"
    & skf18("4","5","9","9","8","6","1") = "8"
    & skf18("4","5","9","9","8","7","1") = "8"
    & skf18("4","5","9","9","8","8","1") = "8"
    & skf18("4","5","9","9","8","9","1") = "8"
    & skf18("4","5","9","9","8","10","1") = "9"
    & skf18("4","5","9","9","9","1","1") = "8"
    & skf18("4","5","9","9","9","2","1") = "8"
    & skf18("4","5","9","9","9","3","1") = "8"
    & skf18("4","5","9","9","9","4","1") = "8"
    & skf18("4","5","9","9","9","5","1") = "8"
    & skf18("4","5","9","9","9","6","1") = "8"
    & skf18("4","5","9","9","9","7","1") = "8"
    & skf18("4","5","9","9","9","8","1") = "8"
    & skf18("4","5","9","9","9","9","1") = "8"
    & skf18("4","5","9","9","9","10","1") = "9"
    & skf18("4","5","9","9","10","1","1") = "9"
    & skf18("4","5","9","9","10","2","1") = "9"
    & skf18("4","5","9","9","10","3","1") = "9"
    & skf18("4","5","9","9","10","4","1") = "9"
    & skf18("4","5","9","9","10","5","1") = "9"
    & skf18("4","5","9","9","10","6","1") = "9"
    & skf18("4","5","9","9","10","7","1") = "9"
    & skf18("4","5","9","9","10","8","1") = "9"
    & skf18("4","5","9","9","10","9","1") = "9"
    & skf18("4","5","9","9","10","10","1") = "9"
    & skf18("4","5","9","10","1","1","1") = "9"
    & skf18("4","5","9","10","1","2","1") = "9"
    & skf18("4","5","9","10","1","3","1") = "9"
    & skf18("4","5","9","10","1","4","1") = "9"
    & skf18("4","5","9","10","1","5","1") = "9"
    & skf18("4","5","9","10","1","6","1") = "9"
    & skf18("4","5","9","10","1","7","1") = "9"
    & skf18("4","5","9","10","1","8","1") = "9"
    & skf18("4","5","9","10","1","9","1") = "9"
    & skf18("4","5","9","10","1","10","1") = "9"
    & skf18("4","5","9","10","2","1","1") = "9"
    & skf18("4","5","9","10","2","2","1") = "9"
    & skf18("4","5","9","10","2","3","1") = "9"
    & skf18("4","5","9","10","2","4","1") = "9"
    & skf18("4","5","9","10","2","5","1") = "9"
    & skf18("4","5","9","10","2","6","1") = "9"
    & skf18("4","5","9","10","2","7","1") = "9"
    & skf18("4","5","9","10","2","8","1") = "9"
    & skf18("4","5","9","10","2","9","1") = "9"
    & skf18("4","5","9","10","2","10","1") = "9"
    & skf18("4","5","9","10","3","1","1") = "9"
    & skf18("4","5","9","10","3","2","1") = "9"
    & skf18("4","5","9","10","3","3","1") = "9"
    & skf18("4","5","9","10","3","4","1") = "9"
    & skf18("4","5","9","10","3","5","1") = "9"
    & skf18("4","5","9","10","3","6","1") = "9"
    & skf18("4","5","9","10","3","7","1") = "9"
    & skf18("4","5","9","10","3","8","1") = "9"
    & skf18("4","5","9","10","3","9","1") = "9"
    & skf18("4","5","9","10","3","10","1") = "9"
    & skf18("4","5","9","10","4","1","1") = "9"
    & skf18("4","5","9","10","4","2","1") = "9"
    & skf18("4","5","9","10","4","3","1") = "9"
    & skf18("4","5","9","10","4","4","1") = "9"
    & skf18("4","5","9","10","4","5","1") = "9"
    & skf18("4","5","9","10","4","6","1") = "9"
    & skf18("4","5","9","10","4","7","1") = "9"
    & skf18("4","5","9","10","4","8","1") = "9"
    & skf18("4","5","9","10","4","9","1") = "9"
    & skf18("4","5","9","10","4","10","1") = "9"
    & skf18("4","5","9","10","5","1","1") = "9"
    & skf18("4","5","9","10","5","2","1") = "9"
    & skf18("4","5","9","10","5","3","1") = "9"
    & skf18("4","5","9","10","5","4","1") = "9"
    & skf18("4","5","9","10","5","5","1") = "9"
    & skf18("4","5","9","10","5","6","1") = "9"
    & skf18("4","5","9","10","5","7","1") = "9"
    & skf18("4","5","9","10","5","8","1") = "9"
    & skf18("4","5","9","10","5","9","1") = "9"
    & skf18("4","5","9","10","5","10","1") = "9"
    & skf18("4","5","9","10","6","1","1") = "9"
    & skf18("4","5","9","10","6","2","1") = "9"
    & skf18("4","5","9","10","6","3","1") = "9"
    & skf18("4","5","9","10","6","4","1") = "9"
    & skf18("4","5","9","10","6","5","1") = "9"
    & skf18("4","5","9","10","6","6","1") = "9"
    & skf18("4","5","9","10","6","7","1") = "9"
    & skf18("4","5","9","10","6","8","1") = "9"
    & skf18("4","5","9","10","6","9","1") = "9"
    & skf18("4","5","9","10","6","10","1") = "9"
    & skf18("4","5","9","10","7","1","1") = "9"
    & skf18("4","5","9","10","7","2","1") = "9"
    & skf18("4","5","9","10","7","3","1") = "9"
    & skf18("4","5","9","10","7","4","1") = "9"
    & skf18("4","5","9","10","7","5","1") = "9"
    & skf18("4","5","9","10","7","6","1") = "9"
    & skf18("4","5","9","10","7","7","1") = "9"
    & skf18("4","5","9","10","7","8","1") = "9"
    & skf18("4","5","9","10","7","9","1") = "9"
    & skf18("4","5","9","10","7","10","1") = "9"
    & skf18("4","5","9","10","8","1","1") = "9"
    & skf18("4","5","9","10","8","2","1") = "9"
    & skf18("4","5","9","10","8","3","1") = "9"
    & skf18("4","5","9","10","8","4","1") = "9"
    & skf18("4","5","9","10","8","5","1") = "9"
    & skf18("4","5","9","10","8","6","1") = "9"
    & skf18("4","5","9","10","8","7","1") = "9"
    & skf18("4","5","9","10","8","8","1") = "9"
    & skf18("4","5","9","10","8","9","1") = "9"
    & skf18("4","5","9","10","8","10","1") = "9"
    & skf18("4","5","9","10","9","1","1") = "9"
    & skf18("4","5","9","10","9","2","1") = "9"
    & skf18("4","5","9","10","9","3","1") = "9"
    & skf18("4","5","9","10","9","4","1") = "9"
    & skf18("4","5","9","10","9","5","1") = "9"
    & skf18("4","5","9","10","9","6","1") = "9"
    & skf18("4","5","9","10","9","7","1") = "9"
    & skf18("4","5","9","10","9","8","1") = "9"
    & skf18("4","5","9","10","9","9","1") = "9"
    & skf18("4","5","9","10","9","10","1") = "9"
    & skf18("4","5","9","10","10","1","1") = "9"
    & skf18("4","5","9","10","10","2","1") = "9"
    & skf18("4","5","9","10","10","3","1") = "9"
    & skf18("4","5","9","10","10","4","1") = "9"
    & skf18("4","5","9","10","10","5","1") = "9"
    & skf18("4","5","9","10","10","6","1") = "9"
    & skf18("4","5","9","10","10","7","1") = "9"
    & skf18("4","5","9","10","10","8","1") = "9"
    & skf18("4","5","9","10","10","9","1") = "9"
    & skf18("4","5","9","10","10","10","1") = "9"
    & skf18("4","5","10","1","1","1","1") = "9"
    & skf18("4","5","10","1","1","2","1") = "9"
    & skf18("4","5","10","1","1","3","1") = "9"
    & skf18("4","5","10","1","1","4","1") = "9"
    & skf18("4","5","10","1","1","5","1") = "9"
    & skf18("4","5","10","1","1","6","1") = "9"
    & skf18("4","5","10","1","1","7","1") = "9"
    & skf18("4","5","10","1","1","8","1") = "9"
    & skf18("4","5","10","1","1","9","1") = "9"
    & skf18("4","5","10","1","1","10","1") = "9"
    & skf18("4","5","10","1","2","1","1") = "9"
    & skf18("4","5","10","1","2","2","1") = "9"
    & skf18("4","5","10","1","2","3","1") = "9"
    & skf18("4","5","10","1","2","4","1") = "9"
    & skf18("4","5","10","1","2","5","1") = "9"
    & skf18("4","5","10","1","2","6","1") = "9"
    & skf18("4","5","10","1","2","7","1") = "9"
    & skf18("4","5","10","1","2","8","1") = "9"
    & skf18("4","5","10","1","2","9","1") = "9"
    & skf18("4","5","10","1","2","10","1") = "9"
    & skf18("4","5","10","1","3","1","1") = "9"
    & skf18("4","5","10","1","3","2","1") = "9"
    & skf18("4","5","10","1","3","3","1") = "9"
    & skf18("4","5","10","1","3","4","1") = "9"
    & skf18("4","5","10","1","3","5","1") = "9"
    & skf18("4","5","10","1","3","6","1") = "9"
    & skf18("4","5","10","1","3","7","1") = "9"
    & skf18("4","5","10","1","3","8","1") = "9"
    & skf18("4","5","10","1","3","9","1") = "9"
    & skf18("4","5","10","1","3","10","1") = "9"
    & skf18("4","5","10","1","4","1","1") = "9"
    & skf18("4","5","10","1","4","2","1") = "9"
    & skf18("4","5","10","1","4","3","1") = "9"
    & skf18("4","5","10","1","4","4","1") = "9"
    & skf18("4","5","10","1","4","5","1") = "9"
    & skf18("4","5","10","1","4","6","1") = "9"
    & skf18("4","5","10","1","4","7","1") = "9"
    & skf18("4","5","10","1","4","8","1") = "9"
    & skf18("4","5","10","1","4","9","1") = "9"
    & skf18("4","5","10","1","4","10","1") = "9"
    & skf18("4","5","10","1","5","1","1") = "9"
    & skf18("4","5","10","1","5","2","1") = "9"
    & skf18("4","5","10","1","5","3","1") = "9"
    & skf18("4","5","10","1","5","4","1") = "9"
    & skf18("4","5","10","1","5","5","1") = "9"
    & skf18("4","5","10","1","5","6","1") = "9"
    & skf18("4","5","10","1","5","7","1") = "9"
    & skf18("4","5","10","1","5","8","1") = "9"
    & skf18("4","5","10","1","5","9","1") = "9"
    & skf18("4","5","10","1","5","10","1") = "9"
    & skf18("4","5","10","1","6","1","1") = "9"
    & skf18("4","5","10","1","6","2","1") = "9"
    & skf18("4","5","10","1","6","3","1") = "9"
    & skf18("4","5","10","1","6","4","1") = "9"
    & skf18("4","5","10","1","6","5","1") = "9"
    & skf18("4","5","10","1","6","6","1") = "9"
    & skf18("4","5","10","1","6","7","1") = "9"
    & skf18("4","5","10","1","6","8","1") = "9"
    & skf18("4","5","10","1","6","9","1") = "9"
    & skf18("4","5","10","1","6","10","1") = "9"
    & skf18("4","5","10","1","7","1","1") = "9"
    & skf18("4","5","10","1","7","2","1") = "9"
    & skf18("4","5","10","1","7","3","1") = "9"
    & skf18("4","5","10","1","7","4","1") = "9"
    & skf18("4","5","10","1","7","5","1") = "9"
    & skf18("4","5","10","1","7","6","1") = "9"
    & skf18("4","5","10","1","7","7","1") = "9"
    & skf18("4","5","10","1","7","8","1") = "9"
    & skf18("4","5","10","1","7","9","1") = "9"
    & skf18("4","5","10","1","7","10","1") = "9"
    & skf18("4","5","10","1","8","1","1") = "9"
    & skf18("4","5","10","1","8","2","1") = "9"
    & skf18("4","5","10","1","8","3","1") = "9"
    & skf18("4","5","10","1","8","4","1") = "9"
    & skf18("4","5","10","1","8","5","1") = "9"
    & skf18("4","5","10","1","8","6","1") = "9"
    & skf18("4","5","10","1","8","7","1") = "9"
    & skf18("4","5","10","1","8","8","1") = "9"
    & skf18("4","5","10","1","8","9","1") = "9"
    & skf18("4","5","10","1","8","10","1") = "9"
    & skf18("4","5","10","1","9","1","1") = "9"
    & skf18("4","5","10","1","9","2","1") = "9"
    & skf18("4","5","10","1","9","3","1") = "9"
    & skf18("4","5","10","1","9","4","1") = "9"
    & skf18("4","5","10","1","9","5","1") = "9"
    & skf18("4","5","10","1","9","6","1") = "9"
    & skf18("4","5","10","1","9","7","1") = "9"
    & skf18("4","5","10","1","9","8","1") = "9"
    & skf18("4","5","10","1","9","9","1") = "9"
    & skf18("4","5","10","1","9","10","1") = "9"
    & skf18("4","5","10","1","10","1","1") = "9"
    & skf18("4","5","10","1","10","2","1") = "9"
    & skf18("4","5","10","1","10","3","1") = "9"
    & skf18("4","5","10","1","10","4","1") = "9"
    & skf18("4","5","10","1","10","5","1") = "9"
    & skf18("4","5","10","1","10","6","1") = "9"
    & skf18("4","5","10","1","10","7","1") = "9"
    & skf18("4","5","10","1","10","8","1") = "9"
    & skf18("4","5","10","1","10","9","1") = "9"
    & skf18("4","5","10","1","10","10","1") = "9"
    & skf18("4","5","10","2","1","1","1") = "9"
    & skf18("4","5","10","2","1","2","1") = "9"
    & skf18("4","5","10","2","1","3","1") = "9"
    & skf18("4","5","10","2","1","4","1") = "9"
    & skf18("4","5","10","2","1","5","1") = "9"
    & skf18("4","5","10","2","1","6","1") = "9"
    & skf18("4","5","10","2","1","7","1") = "9"
    & skf18("4","5","10","2","1","8","1") = "9"
    & skf18("4","5","10","2","1","9","1") = "9"
    & skf18("4","5","10","2","1","10","1") = "9"
    & skf18("4","5","10","2","2","1","1") = "9"
    & skf18("4","5","10","2","2","2","1") = "9"
    & skf18("4","5","10","2","2","3","1") = "9"
    & skf18("4","5","10","2","2","4","1") = "9"
    & skf18("4","5","10","2","2","5","1") = "9"
    & skf18("4","5","10","2","2","6","1") = "9"
    & skf18("4","5","10","2","2","7","1") = "9"
    & skf18("4","5","10","2","2","8","1") = "9"
    & skf18("4","5","10","2","2","9","1") = "9"
    & skf18("4","5","10","2","2","10","1") = "9"
    & skf18("4","5","10","2","3","1","1") = "9"
    & skf18("4","5","10","2","3","2","1") = "9"
    & skf18("4","5","10","2","3","3","1") = "9"
    & skf18("4","5","10","2","3","4","1") = "9"
    & skf18("4","5","10","2","3","5","1") = "9"
    & skf18("4","5","10","2","3","6","1") = "9"
    & skf18("4","5","10","2","3","7","1") = "9"
    & skf18("4","5","10","2","3","8","1") = "9"
    & skf18("4","5","10","2","3","9","1") = "9"
    & skf18("4","5","10","2","3","10","1") = "9"
    & skf18("4","5","10","2","4","1","1") = "9"
    & skf18("4","5","10","2","4","2","1") = "9"
    & skf18("4","5","10","2","4","3","1") = "9"
    & skf18("4","5","10","2","4","4","1") = "9"
    & skf18("4","5","10","2","4","5","1") = "9"
    & skf18("4","5","10","2","4","6","1") = "9"
    & skf18("4","5","10","2","4","7","1") = "9"
    & skf18("4","5","10","2","4","8","1") = "9"
    & skf18("4","5","10","2","4","9","1") = "9"
    & skf18("4","5","10","2","4","10","1") = "9"
    & skf18("4","5","10","2","5","1","1") = "9"
    & skf18("4","5","10","2","5","2","1") = "9"
    & skf18("4","5","10","2","5","3","1") = "9"
    & skf18("4","5","10","2","5","4","1") = "9"
    & skf18("4","5","10","2","5","5","1") = "9"
    & skf18("4","5","10","2","5","6","1") = "9"
    & skf18("4","5","10","2","5","7","1") = "9"
    & skf18("4","5","10","2","5","8","1") = "9"
    & skf18("4","5","10","2","5","9","1") = "9"
    & skf18("4","5","10","2","5","10","1") = "9"
    & skf18("4","5","10","2","6","1","1") = "9"
    & skf18("4","5","10","2","6","2","1") = "9"
    & skf18("4","5","10","2","6","3","1") = "9"
    & skf18("4","5","10","2","6","4","1") = "9"
    & skf18("4","5","10","2","6","5","1") = "9"
    & skf18("4","5","10","2","6","6","1") = "9"
    & skf18("4","5","10","2","6","7","1") = "9"
    & skf18("4","5","10","2","6","8","1") = "9"
    & skf18("4","5","10","2","6","9","1") = "9"
    & skf18("4","5","10","2","6","10","1") = "9"
    & skf18("4","5","10","2","7","1","1") = "9"
    & skf18("4","5","10","2","7","2","1") = "9"
    & skf18("4","5","10","2","7","3","1") = "9"
    & skf18("4","5","10","2","7","4","1") = "9"
    & skf18("4","5","10","2","7","5","1") = "9"
    & skf18("4","5","10","2","7","6","1") = "9"
    & skf18("4","5","10","2","7","7","1") = "9"
    & skf18("4","5","10","2","7","8","1") = "9"
    & skf18("4","5","10","2","7","9","1") = "9"
    & skf18("4","5","10","2","7","10","1") = "9"
    & skf18("4","5","10","2","8","1","1") = "9"
    & skf18("4","5","10","2","8","2","1") = "9"
    & skf18("4","5","10","2","8","3","1") = "9"
    & skf18("4","5","10","2","8","4","1") = "9"
    & skf18("4","5","10","2","8","5","1") = "9"
    & skf18("4","5","10","2","8","6","1") = "9"
    & skf18("4","5","10","2","8","7","1") = "9"
    & skf18("4","5","10","2","8","8","1") = "9"
    & skf18("4","5","10","2","8","9","1") = "9"
    & skf18("4","5","10","2","8","10","1") = "9"
    & skf18("4","5","10","2","9","1","1") = "9"
    & skf18("4","5","10","2","9","2","1") = "9"
    & skf18("4","5","10","2","9","3","1") = "9"
    & skf18("4","5","10","2","9","4","1") = "9"
    & skf18("4","5","10","2","9","5","1") = "9"
    & skf18("4","5","10","2","9","6","1") = "9"
    & skf18("4","5","10","2","9","7","1") = "9"
    & skf18("4","5","10","2","9","8","1") = "9"
    & skf18("4","5","10","2","9","9","1") = "9"
    & skf18("4","5","10","2","9","10","1") = "9"
    & skf18("4","5","10","2","10","1","1") = "9"
    & skf18("4","5","10","2","10","2","1") = "9"
    & skf18("4","5","10","2","10","3","1") = "9"
    & skf18("4","5","10","2","10","4","1") = "9"
    & skf18("4","5","10","2","10","5","1") = "9"
    & skf18("4","5","10","2","10","6","1") = "9"
    & skf18("4","5","10","2","10","7","1") = "9"
    & skf18("4","5","10","2","10","8","1") = "9"
    & skf18("4","5","10","2","10","9","1") = "9"
    & skf18("4","5","10","2","10","10","1") = "9"
    & skf18("4","5","10","3","1","1","1") = "9"
    & skf18("4","5","10","3","1","2","1") = "9"
    & skf18("4","5","10","3","1","3","1") = "9"
    & skf18("4","5","10","3","1","4","1") = "9"
    & skf18("4","5","10","3","1","5","1") = "9"
    & skf18("4","5","10","3","1","6","1") = "9"
    & skf18("4","5","10","3","1","7","1") = "9"
    & skf18("4","5","10","3","1","8","1") = "9"
    & skf18("4","5","10","3","1","9","1") = "9"
    & skf18("4","5","10","3","1","10","1") = "9"
    & skf18("4","5","10","3","2","1","1") = "9"
    & skf18("4","5","10","3","2","2","1") = "9"
    & skf18("4","5","10","3","2","3","1") = "9"
    & skf18("4","5","10","3","2","4","1") = "9"
    & skf18("4","5","10","3","2","5","1") = "9"
    & skf18("4","5","10","3","2","6","1") = "9"
    & skf18("4","5","10","3","2","7","1") = "9"
    & skf18("4","5","10","3","2","8","1") = "9"
    & skf18("4","5","10","3","2","9","1") = "9"
    & skf18("4","5","10","3","2","10","1") = "9"
    & skf18("4","5","10","3","3","1","1") = "9"
    & skf18("4","5","10","3","3","2","1") = "9"
    & skf18("4","5","10","3","3","3","1") = "9"
    & skf18("4","5","10","3","3","4","1") = "9"
    & skf18("4","5","10","3","3","5","1") = "9"
    & skf18("4","5","10","3","3","6","1") = "9"
    & skf18("4","5","10","3","3","7","1") = "9"
    & skf18("4","5","10","3","3","8","1") = "9"
    & skf18("4","5","10","3","3","9","1") = "9"
    & skf18("4","5","10","3","3","10","1") = "9"
    & skf18("4","5","10","3","4","1","1") = "9"
    & skf18("4","5","10","3","4","2","1") = "9"
    & skf18("4","5","10","3","4","3","1") = "9"
    & skf18("4","5","10","3","4","4","1") = "9"
    & skf18("4","5","10","3","4","5","1") = "9"
    & skf18("4","5","10","3","4","6","1") = "9"
    & skf18("4","5","10","3","4","7","1") = "9"
    & skf18("4","5","10","3","4","8","1") = "9"
    & skf18("4","5","10","3","4","9","1") = "9"
    & skf18("4","5","10","3","4","10","1") = "9"
    & skf18("4","5","10","3","5","1","1") = "9"
    & skf18("4","5","10","3","5","2","1") = "9"
    & skf18("4","5","10","3","5","3","1") = "9"
    & skf18("4","5","10","3","5","4","1") = "9"
    & skf18("4","5","10","3","5","5","1") = "9"
    & skf18("4","5","10","3","5","6","1") = "9"
    & skf18("4","5","10","3","5","7","1") = "9"
    & skf18("4","5","10","3","5","8","1") = "9"
    & skf18("4","5","10","3","5","9","1") = "9"
    & skf18("4","5","10","3","5","10","1") = "9"
    & skf18("4","5","10","3","6","1","1") = "9"
    & skf18("4","5","10","3","6","2","1") = "9"
    & skf18("4","5","10","3","6","3","1") = "9"
    & skf18("4","5","10","3","6","4","1") = "9"
    & skf18("4","5","10","3","6","5","1") = "9"
    & skf18("4","5","10","3","6","6","1") = "9"
    & skf18("4","5","10","3","6","7","1") = "9"
    & skf18("4","5","10","3","6","8","1") = "9"
    & skf18("4","5","10","3","6","9","1") = "9"
    & skf18("4","5","10","3","6","10","1") = "9"
    & skf18("4","5","10","3","7","1","1") = "9"
    & skf18("4","5","10","3","7","2","1") = "9"
    & skf18("4","5","10","3","7","3","1") = "9"
    & skf18("4","5","10","3","7","4","1") = "9"
    & skf18("4","5","10","3","7","5","1") = "9"
    & skf18("4","5","10","3","7","6","1") = "9"
    & skf18("4","5","10","3","7","7","1") = "9"
    & skf18("4","5","10","3","7","8","1") = "9"
    & skf18("4","5","10","3","7","9","1") = "9"
    & skf18("4","5","10","3","7","10","1") = "9"
    & skf18("4","5","10","3","8","1","1") = "9"
    & skf18("4","5","10","3","8","2","1") = "9"
    & skf18("4","5","10","3","8","3","1") = "9"
    & skf18("4","5","10","3","8","4","1") = "9"
    & skf18("4","5","10","3","8","5","1") = "9"
    & skf18("4","5","10","3","8","6","1") = "9"
    & skf18("4","5","10","3","8","7","1") = "9"
    & skf18("4","5","10","3","8","8","1") = "9"
    & skf18("4","5","10","3","8","9","1") = "9"
    & skf18("4","5","10","3","8","10","1") = "9"
    & skf18("4","5","10","3","9","1","1") = "9"
    & skf18("4","5","10","3","9","2","1") = "9"
    & skf18("4","5","10","3","9","3","1") = "9"
    & skf18("4","5","10","3","9","4","1") = "9"
    & skf18("4","5","10","3","9","5","1") = "9"
    & skf18("4","5","10","3","9","6","1") = "9"
    & skf18("4","5","10","3","9","7","1") = "9"
    & skf18("4","5","10","3","9","8","1") = "9"
    & skf18("4","5","10","3","9","9","1") = "9"
    & skf18("4","5","10","3","9","10","1") = "9"
    & skf18("4","5","10","3","10","1","1") = "9"
    & skf18("4","5","10","3","10","2","1") = "9"
    & skf18("4","5","10","3","10","3","1") = "9"
    & skf18("4","5","10","3","10","4","1") = "9"
    & skf18("4","5","10","3","10","5","1") = "9"
    & skf18("4","5","10","3","10","6","1") = "9"
    & skf18("4","5","10","3","10","7","1") = "9"
    & skf18("4","5","10","3","10","8","1") = "9"
    & skf18("4","5","10","3","10","9","1") = "9"
    & skf18("4","5","10","3","10","10","1") = "9"
    & skf18("4","5","10","4","1","1","1") = "9"
    & skf18("4","5","10","4","1","2","1") = "9"
    & skf18("4","5","10","4","1","3","1") = "9"
    & skf18("4","5","10","4","1","4","1") = "9"
    & skf18("4","5","10","4","1","5","1") = "9"
    & skf18("4","5","10","4","1","6","1") = "9"
    & skf18("4","5","10","4","1","7","1") = "9"
    & skf18("4","5","10","4","1","8","1") = "9"
    & skf18("4","5","10","4","1","9","1") = "9"
    & skf18("4","5","10","4","1","10","1") = "9"
    & skf18("4","5","10","4","2","1","1") = "9"
    & skf18("4","5","10","4","2","2","1") = "9"
    & skf18("4","5","10","4","2","3","1") = "9"
    & skf18("4","5","10","4","2","4","1") = "9"
    & skf18("4","5","10","4","2","5","1") = "9"
    & skf18("4","5","10","4","2","6","1") = "9"
    & skf18("4","5","10","4","2","7","1") = "9"
    & skf18("4","5","10","4","2","8","1") = "9"
    & skf18("4","5","10","4","2","9","1") = "9"
    & skf18("4","5","10","4","2","10","1") = "9"
    & skf18("4","5","10","4","3","1","1") = "9"
    & skf18("4","5","10","4","3","2","1") = "9"
    & skf18("4","5","10","4","3","3","1") = "9"
    & skf18("4","5","10","4","3","4","1") = "9"
    & skf18("4","5","10","4","3","5","1") = "9"
    & skf18("4","5","10","4","3","6","1") = "9"
    & skf18("4","5","10","4","3","7","1") = "9"
    & skf18("4","5","10","4","3","8","1") = "9"
    & skf18("4","5","10","4","3","9","1") = "9"
    & skf18("4","5","10","4","3","10","1") = "9"
    & skf18("4","5","10","4","4","1","1") = "9"
    & skf18("4","5","10","4","4","2","1") = "9"
    & skf18("4","5","10","4","4","3","1") = "9"
    & skf18("4","5","10","4","4","4","1") = "9"
    & skf18("4","5","10","4","4","5","1") = "9"
    & skf18("4","5","10","4","4","6","1") = "9"
    & skf18("4","5","10","4","4","7","1") = "9"
    & skf18("4","5","10","4","4","8","1") = "9"
    & skf18("4","5","10","4","4","9","1") = "9"
    & skf18("4","5","10","4","4","10","1") = "9"
    & skf18("4","5","10","4","5","1","1") = "9"
    & skf18("4","5","10","4","5","2","1") = "9"
    & skf18("4","5","10","4","5","3","1") = "9"
    & skf18("4","5","10","4","5","4","1") = "9"
    & skf18("4","5","10","4","5","5","1") = "9"
    & skf18("4","5","10","4","5","6","1") = "9"
    & skf18("4","5","10","4","5","7","1") = "9"
    & skf18("4","5","10","4","5","8","1") = "9"
    & skf18("4","5","10","4","5","9","1") = "9"
    & skf18("4","5","10","4","5","10","1") = "9"
    & skf18("4","5","10","4","6","1","1") = "9"
    & skf18("4","5","10","4","6","2","1") = "9"
    & skf18("4","5","10","4","6","3","1") = "9"
    & skf18("4","5","10","4","6","4","1") = "9"
    & skf18("4","5","10","4","6","5","1") = "9"
    & skf18("4","5","10","4","6","6","1") = "9"
    & skf18("4","5","10","4","6","7","1") = "9"
    & skf18("4","5","10","4","6","8","1") = "9"
    & skf18("4","5","10","4","6","9","1") = "9"
    & skf18("4","5","10","4","6","10","1") = "9"
    & skf18("4","5","10","4","7","1","1") = "9"
    & skf18("4","5","10","4","7","2","1") = "9"
    & skf18("4","5","10","4","7","3","1") = "9"
    & skf18("4","5","10","4","7","4","1") = "9"
    & skf18("4","5","10","4","7","5","1") = "9"
    & skf18("4","5","10","4","7","6","1") = "9"
    & skf18("4","5","10","4","7","7","1") = "9"
    & skf18("4","5","10","4","7","8","1") = "9"
    & skf18("4","5","10","4","7","9","1") = "9"
    & skf18("4","5","10","4","7","10","1") = "9"
    & skf18("4","5","10","4","8","1","1") = "9"
    & skf18("4","5","10","4","8","2","1") = "9"
    & skf18("4","5","10","4","8","3","1") = "9"
    & skf18("4","5","10","4","8","4","1") = "9"
    & skf18("4","5","10","4","8","5","1") = "9"
    & skf18("4","5","10","4","8","6","1") = "9"
    & skf18("4","5","10","4","8","7","1") = "9"
    & skf18("4","5","10","4","8","8","1") = "9"
    & skf18("4","5","10","4","8","9","1") = "9"
    & skf18("4","5","10","4","8","10","1") = "9"
    & skf18("4","5","10","4","9","1","1") = "9"
    & skf18("4","5","10","4","9","2","1") = "9"
    & skf18("4","5","10","4","9","3","1") = "9"
    & skf18("4","5","10","4","9","4","1") = "9"
    & skf18("4","5","10","4","9","5","1") = "9"
    & skf18("4","5","10","4","9","6","1") = "9"
    & skf18("4","5","10","4","9","7","1") = "9"
    & skf18("4","5","10","4","9","8","1") = "9"
    & skf18("4","5","10","4","9","9","1") = "9"
    & skf18("4","5","10","4","9","10","1") = "9"
    & skf18("4","5","10","4","10","1","1") = "9"
    & skf18("4","5","10","4","10","2","1") = "9"
    & skf18("4","5","10","4","10","3","1") = "9"
    & skf18("4","5","10","4","10","4","1") = "9"
    & skf18("4","5","10","4","10","5","1") = "9"
    & skf18("4","5","10","4","10","6","1") = "9"
    & skf18("4","5","10","4","10","7","1") = "9"
    & skf18("4","5","10","4","10","8","1") = "9"
    & skf18("4","5","10","4","10","9","1") = "9"
    & skf18("4","5","10","4","10","10","1") = "9"
    & skf18("4","5","10","5","1","1","1") = "9"
    & skf18("4","5","10","5","1","2","1") = "9"
    & skf18("4","5","10","5","1","3","1") = "9"
    & skf18("4","5","10","5","1","4","1") = "9"
    & skf18("4","5","10","5","1","5","1") = "9"
    & skf18("4","5","10","5","1","6","1") = "9"
    & skf18("4","5","10","5","1","7","1") = "9"
    & skf18("4","5","10","5","1","8","1") = "9"
    & skf18("4","5","10","5","1","9","1") = "9"
    & skf18("4","5","10","5","1","10","1") = "9"
    & skf18("4","5","10","5","2","1","1") = "9"
    & skf18("4","5","10","5","2","2","1") = "9"
    & skf18("4","5","10","5","2","3","1") = "9"
    & skf18("4","5","10","5","2","4","1") = "9"
    & skf18("4","5","10","5","2","5","1") = "9"
    & skf18("4","5","10","5","2","6","1") = "9"
    & skf18("4","5","10","5","2","7","1") = "9"
    & skf18("4","5","10","5","2","8","1") = "9"
    & skf18("4","5","10","5","2","9","1") = "9"
    & skf18("4","5","10","5","2","10","1") = "9"
    & skf18("4","5","10","5","3","1","1") = "9"
    & skf18("4","5","10","5","3","2","1") = "9"
    & skf18("4","5","10","5","3","3","1") = "9"
    & skf18("4","5","10","5","3","4","1") = "9"
    & skf18("4","5","10","5","3","5","1") = "9"
    & skf18("4","5","10","5","3","6","1") = "9"
    & skf18("4","5","10","5","3","7","1") = "9"
    & skf18("4","5","10","5","3","8","1") = "9"
    & skf18("4","5","10","5","3","9","1") = "9"
    & skf18("4","5","10","5","3","10","1") = "9"
    & skf18("4","5","10","5","4","1","1") = "9"
    & skf18("4","5","10","5","4","2","1") = "9"
    & skf18("4","5","10","5","4","3","1") = "9"
    & skf18("4","5","10","5","4","4","1") = "9"
    & skf18("4","5","10","5","4","5","1") = "9"
    & skf18("4","5","10","5","4","6","1") = "9"
    & skf18("4","5","10","5","4","7","1") = "9"
    & skf18("4","5","10","5","4","8","1") = "9"
    & skf18("4","5","10","5","4","9","1") = "9"
    & skf18("4","5","10","5","4","10","1") = "9"
    & skf18("4","5","10","5","5","1","1") = "9"
    & skf18("4","5","10","5","5","2","1") = "9"
    & skf18("4","5","10","5","5","3","1") = "9"
    & skf18("4","5","10","5","5","4","1") = "9"
    & skf18("4","5","10","5","5","5","1") = "9"
    & skf18("4","5","10","5","5","6","1") = "9"
    & skf18("4","5","10","5","5","7","1") = "9"
    & skf18("4","5","10","5","5","8","1") = "9"
    & skf18("4","5","10","5","5","9","1") = "9"
    & skf18("4","5","10","5","5","10","1") = "9"
    & skf18("4","5","10","5","6","1","1") = "9"
    & skf18("4","5","10","5","6","2","1") = "9"
    & skf18("4","5","10","5","6","3","1") = "9"
    & skf18("4","5","10","5","6","4","1") = "9"
    & skf18("4","5","10","5","6","5","1") = "9"
    & skf18("4","5","10","5","6","6","1") = "9"
    & skf18("4","5","10","5","6","7","1") = "9"
    & skf18("4","5","10","5","6","8","1") = "9"
    & skf18("4","5","10","5","6","9","1") = "9"
    & skf18("4","5","10","5","6","10","1") = "9"
    & skf18("4","5","10","5","7","1","1") = "9"
    & skf18("4","5","10","5","7","2","1") = "9"
    & skf18("4","5","10","5","7","3","1") = "9"
    & skf18("4","5","10","5","7","4","1") = "9"
    & skf18("4","5","10","5","7","5","1") = "9"
    & skf18("4","5","10","5","7","6","1") = "9"
    & skf18("4","5","10","5","7","7","1") = "9"
    & skf18("4","5","10","5","7","8","1") = "9"
    & skf18("4","5","10","5","7","9","1") = "9"
    & skf18("4","5","10","5","7","10","1") = "9"
    & skf18("4","5","10","5","8","1","1") = "9"
    & skf18("4","5","10","5","8","2","1") = "9"
    & skf18("4","5","10","5","8","3","1") = "9"
    & skf18("4","5","10","5","8","4","1") = "9"
    & skf18("4","5","10","5","8","5","1") = "9"
    & skf18("4","5","10","5","8","6","1") = "9"
    & skf18("4","5","10","5","8","7","1") = "9"
    & skf18("4","5","10","5","8","8","1") = "9"
    & skf18("4","5","10","5","8","9","1") = "9"
    & skf18("4","5","10","5","8","10","1") = "9"
    & skf18("4","5","10","5","9","1","1") = "9"
    & skf18("4","5","10","5","9","2","1") = "9"
    & skf18("4","5","10","5","9","3","1") = "9"
    & skf18("4","5","10","5","9","4","1") = "9"
    & skf18("4","5","10","5","9","5","1") = "9"
    & skf18("4","5","10","5","9","6","1") = "9"
    & skf18("4","5","10","5","9","7","1") = "9"
    & skf18("4","5","10","5","9","8","1") = "9"
    & skf18("4","5","10","5","9","9","1") = "9"
    & skf18("4","5","10","5","9","10","1") = "9"
    & skf18("4","5","10","5","10","1","1") = "9"
    & skf18("4","5","10","5","10","2","1") = "9"
    & skf18("4","5","10","5","10","3","1") = "9"
    & skf18("4","5","10","5","10","4","1") = "9"
    & skf18("4","5","10","5","10","5","1") = "9"
    & skf18("4","5","10","5","10","6","1") = "9"
    & skf18("4","5","10","5","10","7","1") = "9"
    & skf18("4","5","10","5","10","8","1") = "9"
    & skf18("4","5","10","5","10","9","1") = "9"
    & skf18("4","5","10","5","10","10","1") = "9"
    & skf18("4","5","10","6","1","1","1") = "9"
    & skf18("4","5","10","6","1","2","1") = "9"
    & skf18("4","5","10","6","1","3","1") = "9"
    & skf18("4","5","10","6","1","4","1") = "9"
    & skf18("4","5","10","6","1","5","1") = "9"
    & skf18("4","5","10","6","1","6","1") = "9"
    & skf18("4","5","10","6","1","7","1") = "9"
    & skf18("4","5","10","6","1","8","1") = "9"
    & skf18("4","5","10","6","1","9","1") = "9"
    & skf18("4","5","10","6","1","10","1") = "9"
    & skf18("4","5","10","6","2","1","1") = "9"
    & skf18("4","5","10","6","2","2","1") = "9"
    & skf18("4","5","10","6","2","3","1") = "9"
    & skf18("4","5","10","6","2","4","1") = "9"
    & skf18("4","5","10","6","2","5","1") = "9"
    & skf18("4","5","10","6","2","6","1") = "9"
    & skf18("4","5","10","6","2","7","1") = "9"
    & skf18("4","5","10","6","2","8","1") = "9"
    & skf18("4","5","10","6","2","9","1") = "9"
    & skf18("4","5","10","6","2","10","1") = "9"
    & skf18("4","5","10","6","3","1","1") = "9"
    & skf18("4","5","10","6","3","2","1") = "9"
    & skf18("4","5","10","6","3","3","1") = "9"
    & skf18("4","5","10","6","3","4","1") = "9"
    & skf18("4","5","10","6","3","5","1") = "9"
    & skf18("4","5","10","6","3","6","1") = "9"
    & skf18("4","5","10","6","3","7","1") = "9"
    & skf18("4","5","10","6","3","8","1") = "9"
    & skf18("4","5","10","6","3","9","1") = "9"
    & skf18("4","5","10","6","3","10","1") = "9"
    & skf18("4","5","10","6","4","1","1") = "9"
    & skf18("4","5","10","6","4","2","1") = "9"
    & skf18("4","5","10","6","4","3","1") = "9"
    & skf18("4","5","10","6","4","4","1") = "9"
    & skf18("4","5","10","6","4","5","1") = "9"
    & skf18("4","5","10","6","4","6","1") = "9"
    & skf18("4","5","10","6","4","7","1") = "9"
    & skf18("4","5","10","6","4","8","1") = "9"
    & skf18("4","5","10","6","4","9","1") = "9"
    & skf18("4","5","10","6","4","10","1") = "9"
    & skf18("4","5","10","6","5","1","1") = "9"
    & skf18("4","5","10","6","5","2","1") = "9"
    & skf18("4","5","10","6","5","3","1") = "9"
    & skf18("4","5","10","6","5","4","1") = "9"
    & skf18("4","5","10","6","5","5","1") = "9"
    & skf18("4","5","10","6","5","6","1") = "9"
    & skf18("4","5","10","6","5","7","1") = "9"
    & skf18("4","5","10","6","5","8","1") = "9"
    & skf18("4","5","10","6","5","9","1") = "9"
    & skf18("4","5","10","6","5","10","1") = "9"
    & skf18("4","5","10","6","6","1","1") = "9"
    & skf18("4","5","10","6","6","2","1") = "9"
    & skf18("4","5","10","6","6","3","1") = "9"
    & skf18("4","5","10","6","6","4","1") = "9"
    & skf18("4","5","10","6","6","5","1") = "9"
    & skf18("4","5","10","6","6","6","1") = "9"
    & skf18("4","5","10","6","6","7","1") = "9"
    & skf18("4","5","10","6","6","8","1") = "9"
    & skf18("4","5","10","6","6","9","1") = "9"
    & skf18("4","5","10","6","6","10","1") = "9"
    & skf18("4","5","10","6","7","1","1") = "9"
    & skf18("4","5","10","6","7","2","1") = "9"
    & skf18("4","5","10","6","7","3","1") = "9"
    & skf18("4","5","10","6","7","4","1") = "9"
    & skf18("4","5","10","6","7","5","1") = "9"
    & skf18("4","5","10","6","7","6","1") = "9"
    & skf18("4","5","10","6","7","7","1") = "9"
    & skf18("4","5","10","6","7","8","1") = "9"
    & skf18("4","5","10","6","7","9","1") = "9"
    & skf18("4","5","10","6","7","10","1") = "9"
    & skf18("4","5","10","6","8","1","1") = "9"
    & skf18("4","5","10","6","8","2","1") = "9"
    & skf18("4","5","10","6","8","3","1") = "9"
    & skf18("4","5","10","6","8","4","1") = "9"
    & skf18("4","5","10","6","8","5","1") = "9"
    & skf18("4","5","10","6","8","6","1") = "9"
    & skf18("4","5","10","6","8","7","1") = "9"
    & skf18("4","5","10","6","8","8","1") = "9"
    & skf18("4","5","10","6","8","9","1") = "9"
    & skf18("4","5","10","6","8","10","1") = "9"
    & skf18("4","5","10","6","9","1","1") = "9"
    & skf18("4","5","10","6","9","2","1") = "9"
    & skf18("4","5","10","6","9","3","1") = "9"
    & skf18("4","5","10","6","9","4","1") = "9"
    & skf18("4","5","10","6","9","5","1") = "9"
    & skf18("4","5","10","6","9","6","1") = "9"
    & skf18("4","5","10","6","9","7","1") = "9"
    & skf18("4","5","10","6","9","8","1") = "9"
    & skf18("4","5","10","6","9","9","1") = "9"
    & skf18("4","5","10","6","9","10","1") = "9"
    & skf18("4","5","10","6","10","1","1") = "9"
    & skf18("4","5","10","6","10","2","1") = "9"
    & skf18("4","5","10","6","10","3","1") = "9"
    & skf18("4","5","10","6","10","4","1") = "9"
    & skf18("4","5","10","6","10","5","1") = "9"
    & skf18("4","5","10","6","10","6","1") = "9"
    & skf18("4","5","10","6","10","7","1") = "9"
    & skf18("4","5","10","6","10","8","1") = "9"
    & skf18("4","5","10","6","10","9","1") = "9"
    & skf18("4","5","10","6","10","10","1") = "9"
    & skf18("4","5","10","7","1","1","1") = "9"
    & skf18("4","5","10","7","1","2","1") = "9"
    & skf18("4","5","10","7","1","3","1") = "9"
    & skf18("4","5","10","7","1","4","1") = "9"
    & skf18("4","5","10","7","1","5","1") = "9"
    & skf18("4","5","10","7","1","6","1") = "9"
    & skf18("4","5","10","7","1","7","1") = "9"
    & skf18("4","5","10","7","1","8","1") = "9"
    & skf18("4","5","10","7","1","9","1") = "9"
    & skf18("4","5","10","7","1","10","1") = "9"
    & skf18("4","5","10","7","2","1","1") = "9"
    & skf18("4","5","10","7","2","2","1") = "9"
    & skf18("4","5","10","7","2","3","1") = "9"
    & skf18("4","5","10","7","2","4","1") = "9"
    & skf18("4","5","10","7","2","5","1") = "9"
    & skf18("4","5","10","7","2","6","1") = "9"
    & skf18("4","5","10","7","2","7","1") = "9"
    & skf18("4","5","10","7","2","8","1") = "9"
    & skf18("4","5","10","7","2","9","1") = "9"
    & skf18("4","5","10","7","2","10","1") = "9"
    & skf18("4","5","10","7","3","1","1") = "9"
    & skf18("4","5","10","7","3","2","1") = "9"
    & skf18("4","5","10","7","3","3","1") = "9"
    & skf18("4","5","10","7","3","4","1") = "9"
    & skf18("4","5","10","7","3","5","1") = "9"
    & skf18("4","5","10","7","3","6","1") = "9"
    & skf18("4","5","10","7","3","7","1") = "9"
    & skf18("4","5","10","7","3","8","1") = "9"
    & skf18("4","5","10","7","3","9","1") = "9"
    & skf18("4","5","10","7","3","10","1") = "9"
    & skf18("4","5","10","7","4","1","1") = "9"
    & skf18("4","5","10","7","4","2","1") = "9"
    & skf18("4","5","10","7","4","3","1") = "9"
    & skf18("4","5","10","7","4","4","1") = "9"
    & skf18("4","5","10","7","4","5","1") = "9"
    & skf18("4","5","10","7","4","6","1") = "9"
    & skf18("4","5","10","7","4","7","1") = "9"
    & skf18("4","5","10","7","4","8","1") = "9"
    & skf18("4","5","10","7","4","9","1") = "9"
    & skf18("4","5","10","7","4","10","1") = "9"
    & skf18("4","5","10","7","5","1","1") = "9"
    & skf18("4","5","10","7","5","2","1") = "9"
    & skf18("4","5","10","7","5","3","1") = "9"
    & skf18("4","5","10","7","5","4","1") = "9"
    & skf18("4","5","10","7","5","5","1") = "9"
    & skf18("4","5","10","7","5","6","1") = "9"
    & skf18("4","5","10","7","5","7","1") = "9"
    & skf18("4","5","10","7","5","8","1") = "9"
    & skf18("4","5","10","7","5","9","1") = "9"
    & skf18("4","5","10","7","5","10","1") = "9"
    & skf18("4","5","10","7","6","1","1") = "9"
    & skf18("4","5","10","7","6","2","1") = "9"
    & skf18("4","5","10","7","6","3","1") = "9"
    & skf18("4","5","10","7","6","4","1") = "9"
    & skf18("4","5","10","7","6","5","1") = "9"
    & skf18("4","5","10","7","6","6","1") = "9"
    & skf18("4","5","10","7","6","7","1") = "9"
    & skf18("4","5","10","7","6","8","1") = "9"
    & skf18("4","5","10","7","6","9","1") = "9"
    & skf18("4","5","10","7","6","10","1") = "9"
    & skf18("4","5","10","7","7","1","1") = "9"
    & skf18("4","5","10","7","7","2","1") = "9"
    & skf18("4","5","10","7","7","3","1") = "9"
    & skf18("4","5","10","7","7","4","1") = "9"
    & skf18("4","5","10","7","7","5","1") = "9"
    & skf18("4","5","10","7","7","6","1") = "9"
    & skf18("4","5","10","7","7","7","1") = "9"
    & skf18("4","5","10","7","7","8","1") = "9"
    & skf18("4","5","10","7","7","9","1") = "9"
    & skf18("4","5","10","7","7","10","1") = "9"
    & skf18("4","5","10","7","8","1","1") = "9"
    & skf18("4","5","10","7","8","2","1") = "9"
    & skf18("4","5","10","7","8","3","1") = "9"
    & skf18("4","5","10","7","8","4","1") = "9"
    & skf18("4","5","10","7","8","5","1") = "9"
    & skf18("4","5","10","7","8","6","1") = "9"
    & skf18("4","5","10","7","8","7","1") = "9"
    & skf18("4","5","10","7","8","8","1") = "9"
    & skf18("4","5","10","7","8","9","1") = "9"
    & skf18("4","5","10","7","8","10","1") = "9"
    & skf18("4","5","10","7","9","1","1") = "9"
    & skf18("4","5","10","7","9","2","1") = "9"
    & skf18("4","5","10","7","9","3","1") = "9"
    & skf18("4","5","10","7","9","4","1") = "9"
    & skf18("4","5","10","7","9","5","1") = "9"
    & skf18("4","5","10","7","9","6","1") = "9"
    & skf18("4","5","10","7","9","7","1") = "9"
    & skf18("4","5","10","7","9","8","1") = "9"
    & skf18("4","5","10","7","9","9","1") = "9"
    & skf18("4","5","10","7","9","10","1") = "9"
    & skf18("4","5","10","7","10","1","1") = "9"
    & skf18("4","5","10","7","10","2","1") = "9"
    & skf18("4","5","10","7","10","3","1") = "9"
    & skf18("4","5","10","7","10","4","1") = "9"
    & skf18("4","5","10","7","10","5","1") = "9"
    & skf18("4","5","10","7","10","6","1") = "9"
    & skf18("4","5","10","7","10","7","1") = "9"
    & skf18("4","5","10","7","10","8","1") = "9"
    & skf18("4","5","10","7","10","9","1") = "9"
    & skf18("4","5","10","7","10","10","1") = "9"
    & skf18("4","5","10","8","1","1","1") = "9"
    & skf18("4","5","10","8","1","2","1") = "9"
    & skf18("4","5","10","8","1","3","1") = "9"
    & skf18("4","5","10","8","1","4","1") = "9"
    & skf18("4","5","10","8","1","5","1") = "9"
    & skf18("4","5","10","8","1","6","1") = "9"
    & skf18("4","5","10","8","1","7","1") = "9"
    & skf18("4","5","10","8","1","8","1") = "9"
    & skf18("4","5","10","8","1","9","1") = "9"
    & skf18("4","5","10","8","1","10","1") = "9"
    & skf18("4","5","10","8","2","1","1") = "9"
    & skf18("4","5","10","8","2","2","1") = "9"
    & skf18("4","5","10","8","2","3","1") = "9"
    & skf18("4","5","10","8","2","4","1") = "9"
    & skf18("4","5","10","8","2","5","1") = "9"
    & skf18("4","5","10","8","2","6","1") = "9"
    & skf18("4","5","10","8","2","7","1") = "9"
    & skf18("4","5","10","8","2","8","1") = "9"
    & skf18("4","5","10","8","2","9","1") = "9"
    & skf18("4","5","10","8","2","10","1") = "9"
    & skf18("4","5","10","8","3","1","1") = "9"
    & skf18("4","5","10","8","3","2","1") = "9"
    & skf18("4","5","10","8","3","3","1") = "9"
    & skf18("4","5","10","8","3","4","1") = "9"
    & skf18("4","5","10","8","3","5","1") = "9"
    & skf18("4","5","10","8","3","6","1") = "9"
    & skf18("4","5","10","8","3","7","1") = "9"
    & skf18("4","5","10","8","3","8","1") = "9"
    & skf18("4","5","10","8","3","9","1") = "9"
    & skf18("4","5","10","8","3","10","1") = "9"
    & skf18("4","5","10","8","4","1","1") = "9"
    & skf18("4","5","10","8","4","2","1") = "9"
    & skf18("4","5","10","8","4","3","1") = "9"
    & skf18("4","5","10","8","4","4","1") = "9"
    & skf18("4","5","10","8","4","5","1") = "9"
    & skf18("4","5","10","8","4","6","1") = "9"
    & skf18("4","5","10","8","4","7","1") = "9"
    & skf18("4","5","10","8","4","8","1") = "9"
    & skf18("4","5","10","8","4","9","1") = "9"
    & skf18("4","5","10","8","4","10","1") = "9"
    & skf18("4","5","10","8","5","1","1") = "9"
    & skf18("4","5","10","8","5","2","1") = "9"
    & skf18("4","5","10","8","5","3","1") = "9"
    & skf18("4","5","10","8","5","4","1") = "9"
    & skf18("4","5","10","8","5","5","1") = "9"
    & skf18("4","5","10","8","5","6","1") = "9"
    & skf18("4","5","10","8","5","7","1") = "9"
    & skf18("4","5","10","8","5","8","1") = "9"
    & skf18("4","5","10","8","5","9","1") = "9"
    & skf18("4","5","10","8","5","10","1") = "9"
    & skf18("4","5","10","8","6","1","1") = "9"
    & skf18("4","5","10","8","6","2","1") = "9"
    & skf18("4","5","10","8","6","3","1") = "9"
    & skf18("4","5","10","8","6","4","1") = "9"
    & skf18("4","5","10","8","6","5","1") = "9"
    & skf18("4","5","10","8","6","6","1") = "9"
    & skf18("4","5","10","8","6","7","1") = "9"
    & skf18("4","5","10","8","6","8","1") = "9"
    & skf18("4","5","10","8","6","9","1") = "9"
    & skf18("4","5","10","8","6","10","1") = "9"
    & skf18("4","5","10","8","7","1","1") = "9"
    & skf18("4","5","10","8","7","2","1") = "9"
    & skf18("4","5","10","8","7","3","1") = "9"
    & skf18("4","5","10","8","7","4","1") = "9"
    & skf18("4","5","10","8","7","5","1") = "9"
    & skf18("4","5","10","8","7","6","1") = "9"
    & skf18("4","5","10","8","7","7","1") = "9"
    & skf18("4","5","10","8","7","8","1") = "9"
    & skf18("4","5","10","8","7","9","1") = "9"
    & skf18("4","5","10","8","7","10","1") = "9"
    & skf18("4","5","10","8","8","1","1") = "9"
    & skf18("4","5","10","8","8","2","1") = "9"
    & skf18("4","5","10","8","8","3","1") = "9"
    & skf18("4","5","10","8","8","4","1") = "9"
    & skf18("4","5","10","8","8","5","1") = "9"
    & skf18("4","5","10","8","8","6","1") = "9"
    & skf18("4","5","10","8","8","7","1") = "9"
    & skf18("4","5","10","8","8","8","1") = "9"
    & skf18("4","5","10","8","8","9","1") = "9"
    & skf18("4","5","10","8","8","10","1") = "9"
    & skf18("4","5","10","8","9","1","1") = "9"
    & skf18("4","5","10","8","9","2","1") = "9"
    & skf18("4","5","10","8","9","3","1") = "9"
    & skf18("4","5","10","8","9","4","1") = "9"
    & skf18("4","5","10","8","9","5","1") = "9"
    & skf18("4","5","10","8","9","6","1") = "9"
    & skf18("4","5","10","8","9","7","1") = "9"
    & skf18("4","5","10","8","9","8","1") = "9"
    & skf18("4","5","10","8","9","9","1") = "9"
    & skf18("4","5","10","8","9","10","1") = "9"
    & skf18("4","5","10","8","10","1","1") = "9"
    & skf18("4","5","10","8","10","2","1") = "9"
    & skf18("4","5","10","8","10","3","1") = "9"
    & skf18("4","5","10","8","10","4","1") = "9"
    & skf18("4","5","10","8","10","5","1") = "9"
    & skf18("4","5","10","8","10","6","1") = "9"
    & skf18("4","5","10","8","10","7","1") = "9"
    & skf18("4","5","10","8","10","8","1") = "9"
    & skf18("4","5","10","8","10","9","1") = "9"
    & skf18("4","5","10","8","10","10","1") = "9"
    & skf18("4","5","10","9","1","1","1") = "9"
    & skf18("4","5","10","9","1","2","1") = "9"
    & skf18("4","5","10","9","1","3","1") = "9"
    & skf18("4","5","10","9","1","4","1") = "9"
    & skf18("4","5","10","9","1","5","1") = "9"
    & skf18("4","5","10","9","1","6","1") = "9"
    & skf18("4","5","10","9","1","7","1") = "9"
    & skf18("4","5","10","9","1","8","1") = "9"
    & skf18("4","5","10","9","1","9","1") = "9"
    & skf18("4","5","10","9","1","10","1") = "9"
    & skf18("4","5","10","9","2","1","1") = "9"
    & skf18("4","5","10","9","2","2","1") = "9"
    & skf18("4","5","10","9","2","3","1") = "9"
    & skf18("4","5","10","9","2","4","1") = "9"
    & skf18("4","5","10","9","2","5","1") = "9"
    & skf18("4","5","10","9","2","6","1") = "9"
    & skf18("4","5","10","9","2","7","1") = "9"
    & skf18("4","5","10","9","2","8","1") = "9"
    & skf18("4","5","10","9","2","9","1") = "9"
    & skf18("4","5","10","9","2","10","1") = "9"
    & skf18("4","5","10","9","3","1","1") = "9"
    & skf18("4","5","10","9","3","2","1") = "9"
    & skf18("4","5","10","9","3","3","1") = "9"
    & skf18("4","5","10","9","3","4","1") = "9"
    & skf18("4","5","10","9","3","5","1") = "9"
    & skf18("4","5","10","9","3","6","1") = "9"
    & skf18("4","5","10","9","3","7","1") = "9"
    & skf18("4","5","10","9","3","8","1") = "9"
    & skf18("4","5","10","9","3","9","1") = "9"
    & skf18("4","5","10","9","3","10","1") = "9"
    & skf18("4","5","10","9","4","1","1") = "9"
    & skf18("4","5","10","9","4","2","1") = "9"
    & skf18("4","5","10","9","4","3","1") = "9"
    & skf18("4","5","10","9","4","4","1") = "9"
    & skf18("4","5","10","9","4","5","1") = "9"
    & skf18("4","5","10","9","4","6","1") = "9"
    & skf18("4","5","10","9","4","7","1") = "9"
    & skf18("4","5","10","9","4","8","1") = "9"
    & skf18("4","5","10","9","4","9","1") = "9"
    & skf18("4","5","10","9","4","10","1") = "9"
    & skf18("4","5","10","9","5","1","1") = "9"
    & skf18("4","5","10","9","5","2","1") = "9"
    & skf18("4","5","10","9","5","3","1") = "9"
    & skf18("4","5","10","9","5","4","1") = "9"
    & skf18("4","5","10","9","5","5","1") = "9"
    & skf18("4","5","10","9","5","6","1") = "9"
    & skf18("4","5","10","9","5","7","1") = "9"
    & skf18("4","5","10","9","5","8","1") = "9"
    & skf18("4","5","10","9","5","9","1") = "9"
    & skf18("4","5","10","9","5","10","1") = "9"
    & skf18("4","5","10","9","6","1","1") = "9"
    & skf18("4","5","10","9","6","2","1") = "9"
    & skf18("4","5","10","9","6","3","1") = "9"
    & skf18("4","5","10","9","6","4","1") = "9"
    & skf18("4","5","10","9","6","5","1") = "9"
    & skf18("4","5","10","9","6","6","1") = "9"
    & skf18("4","5","10","9","6","7","1") = "9"
    & skf18("4","5","10","9","6","8","1") = "9"
    & skf18("4","5","10","9","6","9","1") = "9"
    & skf18("4","5","10","9","6","10","1") = "9"
    & skf18("4","5","10","9","7","1","1") = "9"
    & skf18("4","5","10","9","7","2","1") = "9"
    & skf18("4","5","10","9","7","3","1") = "9"
    & skf18("4","5","10","9","7","4","1") = "9"
    & skf18("4","5","10","9","7","5","1") = "9"
    & skf18("4","5","10","9","7","6","1") = "9"
    & skf18("4","5","10","9","7","7","1") = "9"
    & skf18("4","5","10","9","7","8","1") = "9"
    & skf18("4","5","10","9","7","9","1") = "9"
    & skf18("4","5","10","9","7","10","1") = "9"
    & skf18("4","5","10","9","8","1","1") = "9"
    & skf18("4","5","10","9","8","2","1") = "9"
    & skf18("4","5","10","9","8","3","1") = "9"
    & skf18("4","5","10","9","8","4","1") = "9"
    & skf18("4","5","10","9","8","5","1") = "9"
    & skf18("4","5","10","9","8","6","1") = "9"
    & skf18("4","5","10","9","8","7","1") = "9"
    & skf18("4","5","10","9","8","8","1") = "9"
    & skf18("4","5","10","9","8","9","1") = "9"
    & skf18("4","5","10","9","8","10","1") = "9"
    & skf18("4","5","10","9","9","1","1") = "9"
    & skf18("4","5","10","9","9","2","1") = "9"
    & skf18("4","5","10","9","9","3","1") = "9"
    & skf18("4","5","10","9","9","4","1") = "9"
    & skf18("4","5","10","9","9","5","1") = "9"
    & skf18("4","5","10","9","9","6","1") = "9"
    & skf18("4","5","10","9","9","7","1") = "9"
    & skf18("4","5","10","9","9","8","1") = "9"
    & skf18("4","5","10","9","9","9","1") = "9"
    & skf18("4","5","10","9","9","10","1") = "9"
    & skf18("4","5","10","9","10","1","1") = "9"
    & skf18("4","5","10","9","10","2","1") = "9"
    & skf18("4","5","10","9","10","3","1") = "9"
    & skf18("4","5","10","9","10","4","1") = "9"
    & skf18("4","5","10","9","10","5","1") = "9"
    & skf18("4","5","10","9","10","6","1") = "9"
    & skf18("4","5","10","9","10","7","1") = "9"
    & skf18("4","5","10","9","10","8","1") = "9"
    & skf18("4","5","10","9","10","9","1") = "9"
    & skf18("4","5","10","9","10","10","1") = "9"
    & skf18("4","5","10","10","1","1","1") = "9"
    & skf18("4","5","10","10","1","2","1") = "9"
    & skf18("4","5","10","10","1","3","1") = "9"
    & skf18("4","5","10","10","1","4","1") = "9"
    & skf18("4","5","10","10","1","5","1") = "9"
    & skf18("4","5","10","10","1","6","1") = "9"
    & skf18("4","5","10","10","1","7","1") = "9"
    & skf18("4","5","10","10","1","8","1") = "9"
    & skf18("4","5","10","10","1","9","1") = "9"
    & skf18("4","5","10","10","1","10","1") = "9"
    & skf18("4","5","10","10","2","1","1") = "9"
    & skf18("4","5","10","10","2","2","1") = "9"
    & skf18("4","5","10","10","2","3","1") = "9"
    & skf18("4","5","10","10","2","4","1") = "9"
    & skf18("4","5","10","10","2","5","1") = "9"
    & skf18("4","5","10","10","2","6","1") = "9"
    & skf18("4","5","10","10","2","7","1") = "9"
    & skf18("4","5","10","10","2","8","1") = "9"
    & skf18("4","5","10","10","2","9","1") = "9"
    & skf18("4","5","10","10","2","10","1") = "9"
    & skf18("4","5","10","10","3","1","1") = "9"
    & skf18("4","5","10","10","3","2","1") = "9"
    & skf18("4","5","10","10","3","3","1") = "9"
    & skf18("4","5","10","10","3","4","1") = "9"
    & skf18("4","5","10","10","3","5","1") = "9"
    & skf18("4","5","10","10","3","6","1") = "9"
    & skf18("4","5","10","10","3","7","1") = "9"
    & skf18("4","5","10","10","3","8","1") = "9"
    & skf18("4","5","10","10","3","9","1") = "9"
    & skf18("4","5","10","10","3","10","1") = "9"
    & skf18("4","5","10","10","4","1","1") = "9"
    & skf18("4","5","10","10","4","2","1") = "9"
    & skf18("4","5","10","10","4","3","1") = "9"
    & skf18("4","5","10","10","4","4","1") = "9"
    & skf18("4","5","10","10","4","5","1") = "9"
    & skf18("4","5","10","10","4","6","1") = "9"
    & skf18("4","5","10","10","4","7","1") = "9"
    & skf18("4","5","10","10","4","8","1") = "9"
    & skf18("4","5","10","10","4","9","1") = "9"
    & skf18("4","5","10","10","4","10","1") = "9"
    & skf18("4","5","10","10","5","1","1") = "9"
    & skf18("4","5","10","10","5","2","1") = "9"
    & skf18("4","5","10","10","5","3","1") = "9"
    & skf18("4","5","10","10","5","4","1") = "9"
    & skf18("4","5","10","10","5","5","1") = "9"
    & skf18("4","5","10","10","5","6","1") = "9"
    & skf18("4","5","10","10","5","7","1") = "9"
    & skf18("4","5","10","10","5","8","1") = "9"
    & skf18("4","5","10","10","5","9","1") = "9"
    & skf18("4","5","10","10","5","10","1") = "9"
    & skf18("4","5","10","10","6","1","1") = "9"
    & skf18("4","5","10","10","6","2","1") = "9"
    & skf18("4","5","10","10","6","3","1") = "9"
    & skf18("4","5","10","10","6","4","1") = "9"
    & skf18("4","5","10","10","6","5","1") = "9"
    & skf18("4","5","10","10","6","6","1") = "9"
    & skf18("4","5","10","10","6","7","1") = "9"
    & skf18("4","5","10","10","6","8","1") = "9"
    & skf18("4","5","10","10","6","9","1") = "9"
    & skf18("4","5","10","10","6","10","1") = "9"
    & skf18("4","5","10","10","7","1","1") = "9"
    & skf18("4","5","10","10","7","2","1") = "9"
    & skf18("4","5","10","10","7","3","1") = "9"
    & skf18("4","5","10","10","7","4","1") = "9"
    & skf18("4","5","10","10","7","5","1") = "9"
    & skf18("4","5","10","10","7","6","1") = "9"
    & skf18("4","5","10","10","7","7","1") = "9"
    & skf18("4","5","10","10","7","8","1") = "9"
    & skf18("4","5","10","10","7","9","1") = "9"
    & skf18("4","5","10","10","7","10","1") = "9"
    & skf18("4","5","10","10","8","1","1") = "9"
    & skf18("4","5","10","10","8","2","1") = "9"
    & skf18("4","5","10","10","8","3","1") = "9"
    & skf18("4","5","10","10","8","4","1") = "9"
    & skf18("4","5","10","10","8","5","1") = "9"
    & skf18("4","5","10","10","8","6","1") = "9"
    & skf18("4","5","10","10","8","7","1") = "9"
    & skf18("4","5","10","10","8","8","1") = "9"
    & skf18("4","5","10","10","8","9","1") = "9"
    & skf18("4","5","10","10","8","10","1") = "9"
    & skf18("4","5","10","10","9","1","1") = "9"
    & skf18("4","5","10","10","9","2","1") = "9"
    & skf18("4","5","10","10","9","3","1") = "9"
    & skf18("4","5","10","10","9","4","1") = "9"
    & skf18("4","5","10","10","9","5","1") = "9"
    & skf18("4","5","10","10","9","6","1") = "9"
    & skf18("4","5","10","10","9","7","1") = "9"
    & skf18("4","5","10","10","9","8","1") = "9"
    & skf18("4","5","10","10","9","9","1") = "9"
    & skf18("4","5","10","10","9","10","1") = "9"
    & skf18("4","5","10","10","10","1","1") = "9"
    & skf18("4","5","10","10","10","2","1") = "9"
    & skf18("4","5","10","10","10","3","1") = "9"
    & skf18("4","5","10","10","10","4","1") = "9"
    & skf18("4","5","10","10","10","5","1") = "9"
    & skf18("4","5","10","10","10","6","1") = "9"
    & skf18("4","5","10","10","10","7","1") = "9"
    & skf18("4","5","10","10","10","8","1") = "9"
    & skf18("4","5","10","10","10","9","1") = "9"
    & skf18("4","5","10","10","10","10","1") = "9"
    & skf18("4","6","1","1","1","1","1") = "5"
    & skf18("4","6","1","1","1","2","1") = "5"
    & skf18("4","6","1","1","1","3","1") = "5"
    & skf18("4","6","1","1","1","4","1") = "5"
    & skf18("4","6","1","1","1","5","1") = "5"
    & skf18("4","6","1","1","1","6","1") = "5"
    & skf18("4","6","1","1","1","7","1") = "6"
    & skf18("4","6","1","1","1","8","1") = "7"
    & skf18("4","6","1","1","1","9","1") = "8"
    & skf18("4","6","1","1","1","10","1") = "9"
    & skf18("4","6","1","1","2","1","1") = "5"
    & skf18("4","6","1","1","2","2","1") = "5"
    & skf18("4","6","1","1","2","3","1") = "5"
    & skf18("4","6","1","1","2","4","1") = "5"
    & skf18("4","6","1","1","2","5","1") = "5"
    & skf18("4","6","1","1","2","6","1") = "5"
    & skf18("4","6","1","1","2","7","1") = "6"
    & skf18("4","6","1","1","2","8","1") = "7"
    & skf18("4","6","1","1","2","9","1") = "8"
    & skf18("4","6","1","1","2","10","1") = "9"
    & skf18("4","6","1","1","3","1","1") = "5"
    & skf18("4","6","1","1","3","2","1") = "5"
    & skf18("4","6","1","1","3","3","1") = "5"
    & skf18("4","6","1","1","3","4","1") = "5"
    & skf18("4","6","1","1","3","5","1") = "5"
    & skf18("4","6","1","1","3","6","1") = "5"
    & skf18("4","6","1","1","3","7","1") = "6"
    & skf18("4","6","1","1","3","8","1") = "7"
    & skf18("4","6","1","1","3","9","1") = "8"
    & skf18("4","6","1","1","3","10","1") = "9"
    & skf18("4","6","1","1","4","1","1") = "5"
    & skf18("4","6","1","1","4","2","1") = "5"
    & skf18("4","6","1","1","4","3","1") = "5"
    & skf18("4","6","1","1","4","4","1") = "5"
    & skf18("4","6","1","1","4","5","1") = "5"
    & skf18("4","6","1","1","4","6","1") = "5"
    & skf18("4","6","1","1","4","7","1") = "6"
    & skf18("4","6","1","1","4","8","1") = "7"
    & skf18("4","6","1","1","4","9","1") = "8"
    & skf18("4","6","1","1","4","10","1") = "9"
    & skf18("4","6","1","1","5","1","1") = "5"
    & skf18("4","6","1","1","5","2","1") = "5"
    & skf18("4","6","1","1","5","3","1") = "5"
    & skf18("4","6","1","1","5","4","1") = "5"
    & skf18("4","6","1","1","5","5","1") = "5"
    & skf18("4","6","1","1","5","6","1") = "5"
    & skf18("4","6","1","1","5","7","1") = "6"
    & skf18("4","6","1","1","5","8","1") = "7"
    & skf18("4","6","1","1","5","9","1") = "8"
    & skf18("4","6","1","1","5","10","1") = "9"
    & skf18("4","6","1","1","6","1","1") = "5"
    & skf18("4","6","1","1","6","2","1") = "5"
    & skf18("4","6","1","1","6","3","1") = "5"
    & skf18("4","6","1","1","6","4","1") = "5"
    & skf18("4","6","1","1","6","5","1") = "5"
    & skf18("4","6","1","1","6","6","1") = "5"
    & skf18("4","6","1","1","6","7","1") = "6"
    & skf18("4","6","1","1","6","8","1") = "7"
    & skf18("4","6","1","1","6","9","1") = "8"
    & skf18("4","6","1","1","6","10","1") = "9"
    & skf18("4","6","1","1","7","1","1") = "6"
    & skf18("4","6","1","1","7","2","1") = "6"
    & skf18("4","6","1","1","7","3","1") = "6"
    & skf18("4","6","1","1","7","4","1") = "6"
    & skf18("4","6","1","1","7","5","1") = "6"
    & skf18("4","6","1","1","7","6","1") = "6"
    & skf18("4","6","1","1","7","7","1") = "6"
    & skf18("4","6","1","1","7","8","1") = "7"
    & skf18("4","6","1","1","7","9","1") = "8"
    & skf18("4","6","1","1","7","10","1") = "9"
    & skf18("4","6","1","1","8","1","1") = "7"
    & skf18("4","6","1","1","8","2","1") = "7"
    & skf18("4","6","1","1","8","3","1") = "7"
    & skf18("4","6","1","1","8","4","1") = "7"
    & skf18("4","6","1","1","8","5","1") = "7"
    & skf18("4","6","1","1","8","6","1") = "7"
    & skf18("4","6","1","1","8","7","1") = "7"
    & skf18("4","6","1","1","8","8","1") = "7"
    & skf18("4","6","1","1","8","9","1") = "8"
    & skf18("4","6","1","1","8","10","1") = "9"
    & skf18("4","6","1","1","9","1","1") = "8"
    & skf18("4","6","1","1","9","2","1") = "8"
    & skf18("4","6","1","1","9","3","1") = "8"
    & skf18("4","6","1","1","9","4","1") = "8"
    & skf18("4","6","1","1","9","5","1") = "8"
    & skf18("4","6","1","1","9","6","1") = "8"
    & skf18("4","6","1","1","9","7","1") = "8"
    & skf18("4","6","1","1","9","8","1") = "8"
    & skf18("4","6","1","1","9","9","1") = "8"
    & skf18("4","6","1","1","9","10","1") = "9"
    & skf18("4","6","1","1","10","1","1") = "9"
    & skf18("4","6","1","1","10","2","1") = "9"
    & skf18("4","6","1","1","10","3","1") = "9"
    & skf18("4","6","1","1","10","4","1") = "9"
    & skf18("4","6","1","1","10","5","1") = "9"
    & skf18("4","6","1","1","10","6","1") = "9"
    & skf18("4","6","1","1","10","7","1") = "9"
    & skf18("4","6","1","1","10","8","1") = "9"
    & skf18("4","6","1","1","10","9","1") = "9"
    & skf18("4","6","1","1","10","10","1") = "9"
    & skf18("4","6","1","2","1","1","1") = "5"
    & skf18("4","6","1","2","1","2","1") = "5"
    & skf18("4","6","1","2","1","3","1") = "5"
    & skf18("4","6","1","2","1","4","1") = "5"
    & skf18("4","6","1","2","1","5","1") = "5"
    & skf18("4","6","1","2","1","6","1") = "5"
    & skf18("4","6","1","2","1","7","1") = "6"
    & skf18("4","6","1","2","1","8","1") = "7"
    & skf18("4","6","1","2","1","9","1") = "8"
    & skf18("4","6","1","2","1","10","1") = "9"
    & skf18("4","6","1","2","2","1","1") = "5"
    & skf18("4","6","1","2","2","2","1") = "5"
    & skf18("4","6","1","2","2","3","1") = "5"
    & skf18("4","6","1","2","2","4","1") = "5"
    & skf18("4","6","1","2","2","5","1") = "5"
    & skf18("4","6","1","2","2","6","1") = "5"
    & skf18("4","6","1","2","2","7","1") = "6"
    & skf18("4","6","1","2","2","8","1") = "7"
    & skf18("4","6","1","2","2","9","1") = "8"
    & skf18("4","6","1","2","2","10","1") = "9"
    & skf18("4","6","1","2","3","1","1") = "5"
    & skf18("4","6","1","2","3","2","1") = "5"
    & skf18("4","6","1","2","3","3","1") = "5"
    & skf18("4","6","1","2","3","4","1") = "5"
    & skf18("4","6","1","2","3","5","1") = "5"
    & skf18("4","6","1","2","3","6","1") = "5"
    & skf18("4","6","1","2","3","7","1") = "6"
    & skf18("4","6","1","2","3","8","1") = "7"
    & skf18("4","6","1","2","3","9","1") = "8"
    & skf18("4","6","1","2","3","10","1") = "9"
    & skf18("4","6","1","2","4","1","1") = "5"
    & skf18("4","6","1","2","4","2","1") = "5"
    & skf18("4","6","1","2","4","3","1") = "5"
    & skf18("4","6","1","2","4","4","1") = "5"
    & skf18("4","6","1","2","4","5","1") = "5"
    & skf18("4","6","1","2","4","6","1") = "5"
    & skf18("4","6","1","2","4","7","1") = "6"
    & skf18("4","6","1","2","4","8","1") = "7"
    & skf18("4","6","1","2","4","9","1") = "8"
    & skf18("4","6","1","2","4","10","1") = "9"
    & skf18("4","6","1","2","5","1","1") = "5"
    & skf18("4","6","1","2","5","2","1") = "5"
    & skf18("4","6","1","2","5","3","1") = "5"
    & skf18("4","6","1","2","5","4","1") = "5"
    & skf18("4","6","1","2","5","5","1") = "5"
    & skf18("4","6","1","2","5","6","1") = "5"
    & skf18("4","6","1","2","5","7","1") = "6"
    & skf18("4","6","1","2","5","8","1") = "7"
    & skf18("4","6","1","2","5","9","1") = "8"
    & skf18("4","6","1","2","5","10","1") = "9"
    & skf18("4","6","1","2","6","1","1") = "5"
    & skf18("4","6","1","2","6","2","1") = "5"
    & skf18("4","6","1","2","6","3","1") = "5"
    & skf18("4","6","1","2","6","4","1") = "5"
    & skf18("4","6","1","2","6","5","1") = "5"
    & skf18("4","6","1","2","6","6","1") = "5"
    & skf18("4","6","1","2","6","7","1") = "6"
    & skf18("4","6","1","2","6","8","1") = "7"
    & skf18("4","6","1","2","6","9","1") = "8"
    & skf18("4","6","1","2","6","10","1") = "9"
    & skf18("4","6","1","2","7","1","1") = "6"
    & skf18("4","6","1","2","7","2","1") = "6"
    & skf18("4","6","1","2","7","3","1") = "6"
    & skf18("4","6","1","2","7","4","1") = "6"
    & skf18("4","6","1","2","7","5","1") = "6"
    & skf18("4","6","1","2","7","6","1") = "6"
    & skf18("4","6","1","2","7","7","1") = "6"
    & skf18("4","6","1","2","7","8","1") = "7"
    & skf18("4","6","1","2","7","9","1") = "8"
    & skf18("4","6","1","2","7","10","1") = "9"
    & skf18("4","6","1","2","8","1","1") = "7"
    & skf18("4","6","1","2","8","2","1") = "7"
    & skf18("4","6","1","2","8","3","1") = "7"
    & skf18("4","6","1","2","8","4","1") = "7"
    & skf18("4","6","1","2","8","5","1") = "7"
    & skf18("4","6","1","2","8","6","1") = "7"
    & skf18("4","6","1","2","8","7","1") = "7"
    & skf18("4","6","1","2","8","8","1") = "7"
    & skf18("4","6","1","2","8","9","1") = "8"
    & skf18("4","6","1","2","8","10","1") = "9"
    & skf18("4","6","1","2","9","1","1") = "8"
    & skf18("4","6","1","2","9","2","1") = "8"
    & skf18("4","6","1","2","9","3","1") = "8"
    & skf18("4","6","1","2","9","4","1") = "8"
    & skf18("4","6","1","2","9","5","1") = "8"
    & skf18("4","6","1","2","9","6","1") = "8"
    & skf18("4","6","1","2","9","7","1") = "8"
    & skf18("4","6","1","2","9","8","1") = "8"
    & skf18("4","6","1","2","9","9","1") = "8"
    & skf18("4","6","1","2","9","10","1") = "9"
    & skf18("4","6","1","2","10","1","1") = "9"
    & skf18("4","6","1","2","10","2","1") = "9"
    & skf18("4","6","1","2","10","3","1") = "9"
    & skf18("4","6","1","2","10","4","1") = "9"
    & skf18("4","6","1","2","10","5","1") = "9"
    & skf18("4","6","1","2","10","6","1") = "9"
    & skf18("4","6","1","2","10","7","1") = "9"
    & skf18("4","6","1","2","10","8","1") = "9"
    & skf18("4","6","1","2","10","9","1") = "9"
    & skf18("4","6","1","2","10","10","1") = "9"
    & skf18("4","6","1","3","1","1","1") = "5"
    & skf18("4","6","1","3","1","2","1") = "5"
    & skf18("4","6","1","3","1","3","1") = "5"
    & skf18("4","6","1","3","1","4","1") = "5"
    & skf18("4","6","1","3","1","5","1") = "5"
    & skf18("4","6","1","3","1","6","1") = "5"
    & skf18("4","6","1","3","1","7","1") = "6"
    & skf18("4","6","1","3","1","8","1") = "7"
    & skf18("4","6","1","3","1","9","1") = "8"
    & skf18("4","6","1","3","1","10","1") = "9"
    & skf18("4","6","1","3","2","1","1") = "5"
    & skf18("4","6","1","3","2","2","1") = "5"
    & skf18("4","6","1","3","2","3","1") = "5"
    & skf18("4","6","1","3","2","4","1") = "5"
    & skf18("4","6","1","3","2","5","1") = "5"
    & skf18("4","6","1","3","2","6","1") = "5"
    & skf18("4","6","1","3","2","7","1") = "6"
    & skf18("4","6","1","3","2","8","1") = "7"
    & skf18("4","6","1","3","2","9","1") = "8"
    & skf18("4","6","1","3","2","10","1") = "9"
    & skf18("4","6","1","3","3","1","1") = "5"
    & skf18("4","6","1","3","3","2","1") = "5"
    & skf18("4","6","1","3","3","3","1") = "5"
    & skf18("4","6","1","3","3","4","1") = "5"
    & skf18("4","6","1","3","3","5","1") = "5"
    & skf18("4","6","1","3","3","6","1") = "5"
    & skf18("4","6","1","3","3","7","1") = "6"
    & skf18("4","6","1","3","3","8","1") = "7"
    & skf18("4","6","1","3","3","9","1") = "8"
    & skf18("4","6","1","3","3","10","1") = "9"
    & skf18("4","6","1","3","4","1","1") = "5"
    & skf18("4","6","1","3","4","2","1") = "5"
    & skf18("4","6","1","3","4","3","1") = "5"
    & skf18("4","6","1","3","4","4","1") = "5"
    & skf18("4","6","1","3","4","5","1") = "5"
    & skf18("4","6","1","3","4","6","1") = "5"
    & skf18("4","6","1","3","4","7","1") = "6"
    & skf18("4","6","1","3","4","8","1") = "7"
    & skf18("4","6","1","3","4","9","1") = "8"
    & skf18("4","6","1","3","4","10","1") = "9"
    & skf18("4","6","1","3","5","1","1") = "5"
    & skf18("4","6","1","3","5","2","1") = "5"
    & skf18("4","6","1","3","5","3","1") = "5"
    & skf18("4","6","1","3","5","4","1") = "5"
    & skf18("4","6","1","3","5","5","1") = "5"
    & skf18("4","6","1","3","5","6","1") = "5"
    & skf18("4","6","1","3","5","7","1") = "6"
    & skf18("4","6","1","3","5","8","1") = "7"
    & skf18("4","6","1","3","5","9","1") = "8"
    & skf18("4","6","1","3","5","10","1") = "9"
    & skf18("4","6","1","3","6","1","1") = "5"
    & skf18("4","6","1","3","6","2","1") = "5"
    & skf18("4","6","1","3","6","3","1") = "5"
    & skf18("4","6","1","3","6","4","1") = "5"
    & skf18("4","6","1","3","6","5","1") = "5"
    & skf18("4","6","1","3","6","6","1") = "5"
    & skf18("4","6","1","3","6","7","1") = "6"
    & skf18("4","6","1","3","6","8","1") = "7"
    & skf18("4","6","1","3","6","9","1") = "8"
    & skf18("4","6","1","3","6","10","1") = "9"
    & skf18("4","6","1","3","7","1","1") = "6"
    & skf18("4","6","1","3","7","2","1") = "6"
    & skf18("4","6","1","3","7","3","1") = "6"
    & skf18("4","6","1","3","7","4","1") = "6"
    & skf18("4","6","1","3","7","5","1") = "6"
    & skf18("4","6","1","3","7","6","1") = "6"
    & skf18("4","6","1","3","7","7","1") = "6"
    & skf18("4","6","1","3","7","8","1") = "7"
    & skf18("4","6","1","3","7","9","1") = "8"
    & skf18("4","6","1","3","7","10","1") = "9"
    & skf18("4","6","1","3","8","1","1") = "7"
    & skf18("4","6","1","3","8","2","1") = "7"
    & skf18("4","6","1","3","8","3","1") = "7"
    & skf18("4","6","1","3","8","4","1") = "7"
    & skf18("4","6","1","3","8","5","1") = "7"
    & skf18("4","6","1","3","8","6","1") = "7"
    & skf18("4","6","1","3","8","7","1") = "7"
    & skf18("4","6","1","3","8","8","1") = "7"
    & skf18("4","6","1","3","8","9","1") = "8"
    & skf18("4","6","1","3","8","10","1") = "9"
    & skf18("4","6","1","3","9","1","1") = "8"
    & skf18("4","6","1","3","9","2","1") = "8"
    & skf18("4","6","1","3","9","3","1") = "8"
    & skf18("4","6","1","3","9","4","1") = "8"
    & skf18("4","6","1","3","9","5","1") = "8"
    & skf18("4","6","1","3","9","6","1") = "8"
    & skf18("4","6","1","3","9","7","1") = "8"
    & skf18("4","6","1","3","9","8","1") = "8"
    & skf18("4","6","1","3","9","9","1") = "8"
    & skf18("4","6","1","3","9","10","1") = "9"
    & skf18("4","6","1","3","10","1","1") = "9"
    & skf18("4","6","1","3","10","2","1") = "9"
    & skf18("4","6","1","3","10","3","1") = "9"
    & skf18("4","6","1","3","10","4","1") = "9"
    & skf18("4","6","1","3","10","5","1") = "9"
    & skf18("4","6","1","3","10","6","1") = "9"
    & skf18("4","6","1","3","10","7","1") = "9"
    & skf18("4","6","1","3","10","8","1") = "9"
    & skf18("4","6","1","3","10","9","1") = "9"
    & skf18("4","6","1","3","10","10","1") = "9"
    & skf18("4","6","1","4","1","1","1") = "5"
    & skf18("4","6","1","4","1","2","1") = "5"
    & skf18("4","6","1","4","1","3","1") = "5"
    & skf18("4","6","1","4","1","4","1") = "5"
    & skf18("4","6","1","4","1","5","1") = "5"
    & skf18("4","6","1","4","1","6","1") = "5"
    & skf18("4","6","1","4","1","7","1") = "6"
    & skf18("4","6","1","4","1","8","1") = "7"
    & skf18("4","6","1","4","1","9","1") = "8"
    & skf18("4","6","1","4","1","10","1") = "9"
    & skf18("4","6","1","4","2","1","1") = "5"
    & skf18("4","6","1","4","2","2","1") = "5"
    & skf18("4","6","1","4","2","3","1") = "5"
    & skf18("4","6","1","4","2","4","1") = "5"
    & skf18("4","6","1","4","2","5","1") = "5"
    & skf18("4","6","1","4","2","6","1") = "5"
    & skf18("4","6","1","4","2","7","1") = "6"
    & skf18("4","6","1","4","2","8","1") = "7"
    & skf18("4","6","1","4","2","9","1") = "8"
    & skf18("4","6","1","4","2","10","1") = "9"
    & skf18("4","6","1","4","3","1","1") = "5"
    & skf18("4","6","1","4","3","2","1") = "5"
    & skf18("4","6","1","4","3","3","1") = "5"
    & skf18("4","6","1","4","3","4","1") = "5"
    & skf18("4","6","1","4","3","5","1") = "5"
    & skf18("4","6","1","4","3","6","1") = "5"
    & skf18("4","6","1","4","3","7","1") = "6"
    & skf18("4","6","1","4","3","8","1") = "7"
    & skf18("4","6","1","4","3","9","1") = "8"
    & skf18("4","6","1","4","3","10","1") = "9"
    & skf18("4","6","1","4","4","1","1") = "5"
    & skf18("4","6","1","4","4","2","1") = "5"
    & skf18("4","6","1","4","4","3","1") = "5"
    & skf18("4","6","1","4","4","4","1") = "5"
    & skf18("4","6","1","4","4","5","1") = "5"
    & skf18("4","6","1","4","4","6","1") = "5"
    & skf18("4","6","1","4","4","7","1") = "6"
    & skf18("4","6","1","4","4","8","1") = "7"
    & skf18("4","6","1","4","4","9","1") = "8"
    & skf18("4","6","1","4","4","10","1") = "9"
    & skf18("4","6","1","4","5","1","1") = "5"
    & skf18("4","6","1","4","5","2","1") = "5"
    & skf18("4","6","1","4","5","3","1") = "5"
    & skf18("4","6","1","4","5","4","1") = "5"
    & skf18("4","6","1","4","5","5","1") = "5"
    & skf18("4","6","1","4","5","6","1") = "5"
    & skf18("4","6","1","4","5","7","1") = "6"
    & skf18("4","6","1","4","5","8","1") = "7"
    & skf18("4","6","1","4","5","9","1") = "8"
    & skf18("4","6","1","4","5","10","1") = "9"
    & skf18("4","6","1","4","6","1","1") = "5"
    & skf18("4","6","1","4","6","2","1") = "5"
    & skf18("4","6","1","4","6","3","1") = "5"
    & skf18("4","6","1","4","6","4","1") = "5"
    & skf18("4","6","1","4","6","5","1") = "5"
    & skf18("4","6","1","4","6","6","1") = "5"
    & skf18("4","6","1","4","6","7","1") = "6"
    & skf18("4","6","1","4","6","8","1") = "7"
    & skf18("4","6","1","4","6","9","1") = "8"
    & skf18("4","6","1","4","6","10","1") = "9"
    & skf18("4","6","1","4","7","1","1") = "6"
    & skf18("4","6","1","4","7","2","1") = "6"
    & skf18("4","6","1","4","7","3","1") = "6"
    & skf18("4","6","1","4","7","4","1") = "6"
    & skf18("4","6","1","4","7","5","1") = "6"
    & skf18("4","6","1","4","7","6","1") = "6"
    & skf18("4","6","1","4","7","7","1") = "6"
    & skf18("4","6","1","4","7","8","1") = "7"
    & skf18("4","6","1","4","7","9","1") = "8"
    & skf18("4","6","1","4","7","10","1") = "9"
    & skf18("4","6","1","4","8","1","1") = "7"
    & skf18("4","6","1","4","8","2","1") = "7"
    & skf18("4","6","1","4","8","3","1") = "7"
    & skf18("4","6","1","4","8","4","1") = "7"
    & skf18("4","6","1","4","8","5","1") = "7"
    & skf18("4","6","1","4","8","6","1") = "7"
    & skf18("4","6","1","4","8","7","1") = "7"
    & skf18("4","6","1","4","8","8","1") = "7"
    & skf18("4","6","1","4","8","9","1") = "8"
    & skf18("4","6","1","4","8","10","1") = "9"
    & skf18("4","6","1","4","9","1","1") = "8"
    & skf18("4","6","1","4","9","2","1") = "8"
    & skf18("4","6","1","4","9","3","1") = "8"
    & skf18("4","6","1","4","9","4","1") = "8"
    & skf18("4","6","1","4","9","5","1") = "8"
    & skf18("4","6","1","4","9","6","1") = "8"
    & skf18("4","6","1","4","9","7","1") = "8"
    & skf18("4","6","1","4","9","8","1") = "8"
    & skf18("4","6","1","4","9","9","1") = "8"
    & skf18("4","6","1","4","9","10","1") = "9"
    & skf18("4","6","1","4","10","1","1") = "9"
    & skf18("4","6","1","4","10","2","1") = "9"
    & skf18("4","6","1","4","10","3","1") = "9"
    & skf18("4","6","1","4","10","4","1") = "9"
    & skf18("4","6","1","4","10","5","1") = "9"
    & skf18("4","6","1","4","10","6","1") = "9"
    & skf18("4","6","1","4","10","7","1") = "9"
    & skf18("4","6","1","4","10","8","1") = "9"
    & skf18("4","6","1","4","10","9","1") = "9"
    & skf18("4","6","1","4","10","10","1") = "9"
    & skf18("4","6","1","5","1","1","1") = "5"
    & skf18("4","6","1","5","1","2","1") = "5"
    & skf18("4","6","1","5","1","3","1") = "5"
    & skf18("4","6","1","5","1","4","1") = "5"
    & skf18("4","6","1","5","1","5","1") = "5"
    & skf18("4","6","1","5","1","6","1") = "5"
    & skf18("4","6","1","5","1","7","1") = "6"
    & skf18("4","6","1","5","1","8","1") = "7"
    & skf18("4","6","1","5","1","9","1") = "8"
    & skf18("4","6","1","5","1","10","1") = "9"
    & skf18("4","6","1","5","2","1","1") = "5"
    & skf18("4","6","1","5","2","2","1") = "5"
    & skf18("4","6","1","5","2","3","1") = "5"
    & skf18("4","6","1","5","2","4","1") = "5"
    & skf18("4","6","1","5","2","5","1") = "5"
    & skf18("4","6","1","5","2","6","1") = "5"
    & skf18("4","6","1","5","2","7","1") = "6"
    & skf18("4","6","1","5","2","8","1") = "7"
    & skf18("4","6","1","5","2","9","1") = "8"
    & skf18("4","6","1","5","2","10","1") = "9"
    & skf18("4","6","1","5","3","1","1") = "5"
    & skf18("4","6","1","5","3","2","1") = "5"
    & skf18("4","6","1","5","3","3","1") = "5"
    & skf18("4","6","1","5","3","4","1") = "5"
    & skf18("4","6","1","5","3","5","1") = "5"
    & skf18("4","6","1","5","3","6","1") = "5"
    & skf18("4","6","1","5","3","7","1") = "6"
    & skf18("4","6","1","5","3","8","1") = "7"
    & skf18("4","6","1","5","3","9","1") = "8"
    & skf18("4","6","1","5","3","10","1") = "9"
    & skf18("4","6","1","5","4","1","1") = "5"
    & skf18("4","6","1","5","4","2","1") = "5"
    & skf18("4","6","1","5","4","3","1") = "5"
    & skf18("4","6","1","5","4","4","1") = "5"
    & skf18("4","6","1","5","4","5","1") = "5"
    & skf18("4","6","1","5","4","6","1") = "5"
    & skf18("4","6","1","5","4","7","1") = "6"
    & skf18("4","6","1","5","4","8","1") = "7"
    & skf18("4","6","1","5","4","9","1") = "8"
    & skf18("4","6","1","5","4","10","1") = "9"
    & skf18("4","6","1","5","5","1","1") = "5"
    & skf18("4","6","1","5","5","2","1") = "5"
    & skf18("4","6","1","5","5","3","1") = "5"
    & skf18("4","6","1","5","5","4","1") = "5"
    & skf18("4","6","1","5","5","5","1") = "5"
    & skf18("4","6","1","5","5","6","1") = "5"
    & skf18("4","6","1","5","5","7","1") = "6"
    & skf18("4","6","1","5","5","8","1") = "7"
    & skf18("4","6","1","5","5","9","1") = "8"
    & skf18("4","6","1","5","5","10","1") = "9"
    & skf18("4","6","1","5","6","1","1") = "5"
    & skf18("4","6","1","5","6","2","1") = "5"
    & skf18("4","6","1","5","6","3","1") = "5"
    & skf18("4","6","1","5","6","4","1") = "5"
    & skf18("4","6","1","5","6","5","1") = "5"
    & skf18("4","6","1","5","6","6","1") = "5"
    & skf18("4","6","1","5","6","7","1") = "6"
    & skf18("4","6","1","5","6","8","1") = "7"
    & skf18("4","6","1","5","6","9","1") = "8"
    & skf18("4","6","1","5","6","10","1") = "9"
    & skf18("4","6","1","5","7","1","1") = "6"
    & skf18("4","6","1","5","7","2","1") = "6"
    & skf18("4","6","1","5","7","3","1") = "6"
    & skf18("4","6","1","5","7","4","1") = "6"
    & skf18("4","6","1","5","7","5","1") = "6"
    & skf18("4","6","1","5","7","6","1") = "6"
    & skf18("4","6","1","5","7","7","1") = "6"
    & skf18("4","6","1","5","7","8","1") = "7"
    & skf18("4","6","1","5","7","9","1") = "8"
    & skf18("4","6","1","5","7","10","1") = "9"
    & skf18("4","6","1","5","8","1","1") = "7"
    & skf18("4","6","1","5","8","2","1") = "7"
    & skf18("4","6","1","5","8","3","1") = "7"
    & skf18("4","6","1","5","8","4","1") = "7"
    & skf18("4","6","1","5","8","5","1") = "7"
    & skf18("4","6","1","5","8","6","1") = "7"
    & skf18("4","6","1","5","8","7","1") = "7"
    & skf18("4","6","1","5","8","8","1") = "7"
    & skf18("4","6","1","5","8","9","1") = "8"
    & skf18("4","6","1","5","8","10","1") = "9"
    & skf18("4","6","1","5","9","1","1") = "8"
    & skf18("4","6","1","5","9","2","1") = "8"
    & skf18("4","6","1","5","9","3","1") = "8"
    & skf18("4","6","1","5","9","4","1") = "8"
    & skf18("4","6","1","5","9","5","1") = "8"
    & skf18("4","6","1","5","9","6","1") = "8"
    & skf18("4","6","1","5","9","7","1") = "8"
    & skf18("4","6","1","5","9","8","1") = "8"
    & skf18("4","6","1","5","9","9","1") = "8"
    & skf18("4","6","1","5","9","10","1") = "9"
    & skf18("4","6","1","5","10","1","1") = "9"
    & skf18("4","6","1","5","10","2","1") = "9"
    & skf18("4","6","1","5","10","3","1") = "9"
    & skf18("4","6","1","5","10","4","1") = "9"
    & skf18("4","6","1","5","10","5","1") = "9"
    & skf18("4","6","1","5","10","6","1") = "9"
    & skf18("4","6","1","5","10","7","1") = "9"
    & skf18("4","6","1","5","10","8","1") = "9"
    & skf18("4","6","1","5","10","9","1") = "9"
    & skf18("4","6","1","5","10","10","1") = "9"
    & skf18("4","6","1","6","1","1","1") = "5"
    & skf18("4","6","1","6","1","2","1") = "5"
    & skf18("4","6","1","6","1","3","1") = "5"
    & skf18("4","6","1","6","1","4","1") = "5"
    & skf18("4","6","1","6","1","5","1") = "5"
    & skf18("4","6","1","6","1","6","1") = "5"
    & skf18("4","6","1","6","1","7","1") = "6"
    & skf18("4","6","1","6","1","8","1") = "7"
    & skf18("4","6","1","6","1","9","1") = "8"
    & skf18("4","6","1","6","1","10","1") = "9"
    & skf18("4","6","1","6","2","1","1") = "5"
    & skf18("4","6","1","6","2","2","1") = "5"
    & skf18("4","6","1","6","2","3","1") = "5"
    & skf18("4","6","1","6","2","4","1") = "5"
    & skf18("4","6","1","6","2","5","1") = "5"
    & skf18("4","6","1","6","2","6","1") = "5"
    & skf18("4","6","1","6","2","7","1") = "6"
    & skf18("4","6","1","6","2","8","1") = "7"
    & skf18("4","6","1","6","2","9","1") = "8"
    & skf18("4","6","1","6","2","10","1") = "9"
    & skf18("4","6","1","6","3","1","1") = "5"
    & skf18("4","6","1","6","3","2","1") = "5"
    & skf18("4","6","1","6","3","3","1") = "5"
    & skf18("4","6","1","6","3","4","1") = "5"
    & skf18("4","6","1","6","3","5","1") = "5"
    & skf18("4","6","1","6","3","6","1") = "5"
    & skf18("4","6","1","6","3","7","1") = "6"
    & skf18("4","6","1","6","3","8","1") = "7"
    & skf18("4","6","1","6","3","9","1") = "8"
    & skf18("4","6","1","6","3","10","1") = "9"
    & skf18("4","6","1","6","4","1","1") = "5"
    & skf18("4","6","1","6","4","2","1") = "5"
    & skf18("4","6","1","6","4","3","1") = "5"
    & skf18("4","6","1","6","4","4","1") = "5"
    & skf18("4","6","1","6","4","5","1") = "5"
    & skf18("4","6","1","6","4","6","1") = "5"
    & skf18("4","6","1","6","4","7","1") = "6"
    & skf18("4","6","1","6","4","8","1") = "7"
    & skf18("4","6","1","6","4","9","1") = "8"
    & skf18("4","6","1","6","4","10","1") = "9"
    & skf18("4","6","1","6","5","1","1") = "5"
    & skf18("4","6","1","6","5","2","1") = "5"
    & skf18("4","6","1","6","5","3","1") = "5"
    & skf18("4","6","1","6","5","4","1") = "5"
    & skf18("4","6","1","6","5","5","1") = "5"
    & skf18("4","6","1","6","5","6","1") = "5"
    & skf18("4","6","1","6","5","7","1") = "6"
    & skf18("4","6","1","6","5","8","1") = "7"
    & skf18("4","6","1","6","5","9","1") = "8"
    & skf18("4","6","1","6","5","10","1") = "9"
    & skf18("4","6","1","6","6","1","1") = "5"
    & skf18("4","6","1","6","6","2","1") = "5"
    & skf18("4","6","1","6","6","3","1") = "5"
    & skf18("4","6","1","6","6","4","1") = "5"
    & skf18("4","6","1","6","6","5","1") = "5"
    & skf18("4","6","1","6","6","6","1") = "5"
    & skf18("4","6","1","6","6","7","1") = "6"
    & skf18("4","6","1","6","6","8","1") = "7"
    & skf18("4","6","1","6","6","9","1") = "8"
    & skf18("4","6","1","6","6","10","1") = "9"
    & skf18("4","6","1","6","7","1","1") = "6"
    & skf18("4","6","1","6","7","2","1") = "6"
    & skf18("4","6","1","6","7","3","1") = "6"
    & skf18("4","6","1","6","7","4","1") = "6"
    & skf18("4","6","1","6","7","5","1") = "6"
    & skf18("4","6","1","6","7","6","1") = "6"
    & skf18("4","6","1","6","7","7","1") = "6"
    & skf18("4","6","1","6","7","8","1") = "7"
    & skf18("4","6","1","6","7","9","1") = "8"
    & skf18("4","6","1","6","7","10","1") = "9"
    & skf18("4","6","1","6","8","1","1") = "7"
    & skf18("4","6","1","6","8","2","1") = "7"
    & skf18("4","6","1","6","8","3","1") = "7"
    & skf18("4","6","1","6","8","4","1") = "7"
    & skf18("4","6","1","6","8","5","1") = "7"
    & skf18("4","6","1","6","8","6","1") = "7"
    & skf18("4","6","1","6","8","7","1") = "7"
    & skf18("4","6","1","6","8","8","1") = "7"
    & skf18("4","6","1","6","8","9","1") = "8"
    & skf18("4","6","1","6","8","10","1") = "9"
    & skf18("4","6","1","6","9","1","1") = "8"
    & skf18("4","6","1","6","9","2","1") = "8"
    & skf18("4","6","1","6","9","3","1") = "8"
    & skf18("4","6","1","6","9","4","1") = "8"
    & skf18("4","6","1","6","9","5","1") = "8"
    & skf18("4","6","1","6","9","6","1") = "8"
    & skf18("4","6","1","6","9","7","1") = "8"
    & skf18("4","6","1","6","9","8","1") = "8"
    & skf18("4","6","1","6","9","9","1") = "8"
    & skf18("4","6","1","6","9","10","1") = "9"
    & skf18("4","6","1","6","10","1","1") = "9"
    & skf18("4","6","1","6","10","2","1") = "9"
    & skf18("4","6","1","6","10","3","1") = "9"
    & skf18("4","6","1","6","10","4","1") = "9"
    & skf18("4","6","1","6","10","5","1") = "9"
    & skf18("4","6","1","6","10","6","1") = "9"
    & skf18("4","6","1","6","10","7","1") = "9"
    & skf18("4","6","1","6","10","8","1") = "9"
    & skf18("4","6","1","6","10","9","1") = "9"
    & skf18("4","6","1","6","10","10","1") = "9"
    & skf18("4","6","1","7","1","1","1") = "6"
    & skf18("4","6","1","7","1","2","1") = "6"
    & skf18("4","6","1","7","1","3","1") = "6"
    & skf18("4","6","1","7","1","4","1") = "6"
    & skf18("4","6","1","7","1","5","1") = "6"
    & skf18("4","6","1","7","1","6","1") = "6"
    & skf18("4","6","1","7","1","7","1") = "6"
    & skf18("4","6","1","7","1","8","1") = "7"
    & skf18("4","6","1","7","1","9","1") = "8"
    & skf18("4","6","1","7","1","10","1") = "9"
    & skf18("4","6","1","7","2","1","1") = "6"
    & skf18("4","6","1","7","2","2","1") = "6"
    & skf18("4","6","1","7","2","3","1") = "6"
    & skf18("4","6","1","7","2","4","1") = "6"
    & skf18("4","6","1","7","2","5","1") = "6"
    & skf18("4","6","1","7","2","6","1") = "6"
    & skf18("4","6","1","7","2","7","1") = "6"
    & skf18("4","6","1","7","2","8","1") = "7"
    & skf18("4","6","1","7","2","9","1") = "8"
    & skf18("4","6","1","7","2","10","1") = "9"
    & skf18("4","6","1","7","3","1","1") = "6"
    & skf18("4","6","1","7","3","2","1") = "6"
    & skf18("4","6","1","7","3","3","1") = "6"
    & skf18("4","6","1","7","3","4","1") = "6"
    & skf18("4","6","1","7","3","5","1") = "6"
    & skf18("4","6","1","7","3","6","1") = "6"
    & skf18("4","6","1","7","3","7","1") = "6"
    & skf18("4","6","1","7","3","8","1") = "7"
    & skf18("4","6","1","7","3","9","1") = "8"
    & skf18("4","6","1","7","3","10","1") = "9"
    & skf18("4","6","1","7","4","1","1") = "6"
    & skf18("4","6","1","7","4","2","1") = "6"
    & skf18("4","6","1","7","4","3","1") = "6"
    & skf18("4","6","1","7","4","4","1") = "6"
    & skf18("4","6","1","7","4","5","1") = "6"
    & skf18("4","6","1","7","4","6","1") = "6"
    & skf18("4","6","1","7","4","7","1") = "6"
    & skf18("4","6","1","7","4","8","1") = "7"
    & skf18("4","6","1","7","4","9","1") = "8"
    & skf18("4","6","1","7","4","10","1") = "9"
    & skf18("4","6","1","7","5","1","1") = "6"
    & skf18("4","6","1","7","5","2","1") = "6"
    & skf18("4","6","1","7","5","3","1") = "6"
    & skf18("4","6","1","7","5","4","1") = "6"
    & skf18("4","6","1","7","5","5","1") = "6"
    & skf18("4","6","1","7","5","6","1") = "6"
    & skf18("4","6","1","7","5","7","1") = "6"
    & skf18("4","6","1","7","5","8","1") = "7"
    & skf18("4","6","1","7","5","9","1") = "8"
    & skf18("4","6","1","7","5","10","1") = "9"
    & skf18("4","6","1","7","6","1","1") = "6"
    & skf18("4","6","1","7","6","2","1") = "6"
    & skf18("4","6","1","7","6","3","1") = "6"
    & skf18("4","6","1","7","6","4","1") = "6"
    & skf18("4","6","1","7","6","5","1") = "6"
    & skf18("4","6","1","7","6","6","1") = "6"
    & skf18("4","6","1","7","6","7","1") = "6"
    & skf18("4","6","1","7","6","8","1") = "7"
    & skf18("4","6","1","7","6","9","1") = "8"
    & skf18("4","6","1","7","6","10","1") = "9"
    & skf18("4","6","1","7","7","1","1") = "6"
    & skf18("4","6","1","7","7","2","1") = "6"
    & skf18("4","6","1","7","7","3","1") = "6"
    & skf18("4","6","1","7","7","4","1") = "6"
    & skf18("4","6","1","7","7","5","1") = "6"
    & skf18("4","6","1","7","7","6","1") = "6"
    & skf18("4","6","1","7","7","7","1") = "6"
    & skf18("4","6","1","7","7","8","1") = "7"
    & skf18("4","6","1","7","7","9","1") = "8"
    & skf18("4","6","1","7","7","10","1") = "9"
    & skf18("4","6","1","7","8","1","1") = "7"
    & skf18("4","6","1","7","8","2","1") = "7"
    & skf18("4","6","1","7","8","3","1") = "7"
    & skf18("4","6","1","7","8","4","1") = "7"
    & skf18("4","6","1","7","8","5","1") = "7"
    & skf18("4","6","1","7","8","6","1") = "7"
    & skf18("4","6","1","7","8","7","1") = "7"
    & skf18("4","6","1","7","8","8","1") = "7"
    & skf18("4","6","1","7","8","9","1") = "8"
    & skf18("4","6","1","7","8","10","1") = "9"
    & skf18("4","6","1","7","9","1","1") = "8"
    & skf18("4","6","1","7","9","2","1") = "8"
    & skf18("4","6","1","7","9","3","1") = "8"
    & skf18("4","6","1","7","9","4","1") = "8"
    & skf18("4","6","1","7","9","5","1") = "8"
    & skf18("4","6","1","7","9","6","1") = "8"
    & skf18("4","6","1","7","9","7","1") = "8"
    & skf18("4","6","1","7","9","8","1") = "8"
    & skf18("4","6","1","7","9","9","1") = "8"
    & skf18("4","6","1","7","9","10","1") = "9"
    & skf18("4","6","1","7","10","1","1") = "9"
    & skf18("4","6","1","7","10","2","1") = "9"
    & skf18("4","6","1","7","10","3","1") = "9"
    & skf18("4","6","1","7","10","4","1") = "9"
    & skf18("4","6","1","7","10","5","1") = "9"
    & skf18("4","6","1","7","10","6","1") = "9"
    & skf18("4","6","1","7","10","7","1") = "9"
    & skf18("4","6","1","7","10","8","1") = "9"
    & skf18("4","6","1","7","10","9","1") = "9"
    & skf18("4","6","1","7","10","10","1") = "9"
    & skf18("4","6","1","8","1","1","1") = "7"
    & skf18("4","6","1","8","1","2","1") = "7"
    & skf18("4","6","1","8","1","3","1") = "7"
    & skf18("4","6","1","8","1","4","1") = "7"
    & skf18("4","6","1","8","1","5","1") = "7"
    & skf18("4","6","1","8","1","6","1") = "7"
    & skf18("4","6","1","8","1","7","1") = "7"
    & skf18("4","6","1","8","1","8","1") = "7"
    & skf18("4","6","1","8","1","9","1") = "8"
    & skf18("4","6","1","8","1","10","1") = "9"
    & skf18("4","6","1","8","2","1","1") = "7"
    & skf18("4","6","1","8","2","2","1") = "7"
    & skf18("4","6","1","8","2","3","1") = "7"
    & skf18("4","6","1","8","2","4","1") = "7"
    & skf18("4","6","1","8","2","5","1") = "7"
    & skf18("4","6","1","8","2","6","1") = "7"
    & skf18("4","6","1","8","2","7","1") = "7"
    & skf18("4","6","1","8","2","8","1") = "7"
    & skf18("4","6","1","8","2","9","1") = "8"
    & skf18("4","6","1","8","2","10","1") = "9"
    & skf18("4","6","1","8","3","1","1") = "7"
    & skf18("4","6","1","8","3","2","1") = "7"
    & skf18("4","6","1","8","3","3","1") = "7"
    & skf18("4","6","1","8","3","4","1") = "7"
    & skf18("4","6","1","8","3","5","1") = "7"
    & skf18("4","6","1","8","3","6","1") = "7"
    & skf18("4","6","1","8","3","7","1") = "7"
    & skf18("4","6","1","8","3","8","1") = "7"
    & skf18("4","6","1","8","3","9","1") = "8"
    & skf18("4","6","1","8","3","10","1") = "9"
    & skf18("4","6","1","8","4","1","1") = "7"
    & skf18("4","6","1","8","4","2","1") = "7"
    & skf18("4","6","1","8","4","3","1") = "7"
    & skf18("4","6","1","8","4","4","1") = "7"
    & skf18("4","6","1","8","4","5","1") = "7"
    & skf18("4","6","1","8","4","6","1") = "7"
    & skf18("4","6","1","8","4","7","1") = "7"
    & skf18("4","6","1","8","4","8","1") = "7"
    & skf18("4","6","1","8","4","9","1") = "8"
    & skf18("4","6","1","8","4","10","1") = "9"
    & skf18("4","6","1","8","5","1","1") = "7"
    & skf18("4","6","1","8","5","2","1") = "7"
    & skf18("4","6","1","8","5","3","1") = "7"
    & skf18("4","6","1","8","5","4","1") = "7"
    & skf18("4","6","1","8","5","5","1") = "7"
    & skf18("4","6","1","8","5","6","1") = "7"
    & skf18("4","6","1","8","5","7","1") = "7"
    & skf18("4","6","1","8","5","8","1") = "7"
    & skf18("4","6","1","8","5","9","1") = "8"
    & skf18("4","6","1","8","5","10","1") = "9"
    & skf18("4","6","1","8","6","1","1") = "7"
    & skf18("4","6","1","8","6","2","1") = "7"
    & skf18("4","6","1","8","6","3","1") = "7"
    & skf18("4","6","1","8","6","4","1") = "7"
    & skf18("4","6","1","8","6","5","1") = "7"
    & skf18("4","6","1","8","6","6","1") = "7"
    & skf18("4","6","1","8","6","7","1") = "7"
    & skf18("4","6","1","8","6","8","1") = "7"
    & skf18("4","6","1","8","6","9","1") = "8"
    & skf18("4","6","1","8","6","10","1") = "9"
    & skf18("4","6","1","8","7","1","1") = "7"
    & skf18("4","6","1","8","7","2","1") = "7"
    & skf18("4","6","1","8","7","3","1") = "7"
    & skf18("4","6","1","8","7","4","1") = "7"
    & skf18("4","6","1","8","7","5","1") = "7"
    & skf18("4","6","1","8","7","6","1") = "7"
    & skf18("4","6","1","8","7","7","1") = "7"
    & skf18("4","6","1","8","7","8","1") = "7"
    & skf18("4","6","1","8","7","9","1") = "8"
    & skf18("4","6","1","8","7","10","1") = "9"
    & skf18("4","6","1","8","8","1","1") = "7"
    & skf18("4","6","1","8","8","2","1") = "7"
    & skf18("4","6","1","8","8","3","1") = "7"
    & skf18("4","6","1","8","8","4","1") = "7"
    & skf18("4","6","1","8","8","5","1") = "7"
    & skf18("4","6","1","8","8","6","1") = "7"
    & skf18("4","6","1","8","8","7","1") = "7"
    & skf18("4","6","1","8","8","8","1") = "7"
    & skf18("4","6","1","8","8","9","1") = "8"
    & skf18("4","6","1","8","8","10","1") = "9"
    & skf18("4","6","1","8","9","1","1") = "8"
    & skf18("4","6","1","8","9","2","1") = "8"
    & skf18("4","6","1","8","9","3","1") = "8"
    & skf18("4","6","1","8","9","4","1") = "8"
    & skf18("4","6","1","8","9","5","1") = "8"
    & skf18("4","6","1","8","9","6","1") = "8"
    & skf18("4","6","1","8","9","7","1") = "8"
    & skf18("4","6","1","8","9","8","1") = "8"
    & skf18("4","6","1","8","9","9","1") = "8"
    & skf18("4","6","1","8","9","10","1") = "9"
    & skf18("4","6","1","8","10","1","1") = "9"
    & skf18("4","6","1","8","10","2","1") = "9"
    & skf18("4","6","1","8","10","3","1") = "9"
    & skf18("4","6","1","8","10","4","1") = "9"
    & skf18("4","6","1","8","10","5","1") = "9"
    & skf18("4","6","1","8","10","6","1") = "9"
    & skf18("4","6","1","8","10","7","1") = "9"
    & skf18("4","6","1","8","10","8","1") = "9"
    & skf18("4","6","1","8","10","9","1") = "9"
    & skf18("4","6","1","8","10","10","1") = "9"
    & skf18("4","6","1","9","1","1","1") = "8"
    & skf18("4","6","1","9","1","2","1") = "8"
    & skf18("4","6","1","9","1","3","1") = "8"
    & skf18("4","6","1","9","1","4","1") = "8"
    & skf18("4","6","1","9","1","5","1") = "8"
    & skf18("4","6","1","9","1","6","1") = "8"
    & skf18("4","6","1","9","1","7","1") = "8"
    & skf18("4","6","1","9","1","8","1") = "8"
    & skf18("4","6","1","9","1","9","1") = "8"
    & skf18("4","6","1","9","1","10","1") = "9"
    & skf18("4","6","1","9","2","1","1") = "8"
    & skf18("4","6","1","9","2","2","1") = "8"
    & skf18("4","6","1","9","2","3","1") = "8"
    & skf18("4","6","1","9","2","4","1") = "8"
    & skf18("4","6","1","9","2","5","1") = "8"
    & skf18("4","6","1","9","2","6","1") = "8"
    & skf18("4","6","1","9","2","7","1") = "8"
    & skf18("4","6","1","9","2","8","1") = "8"
    & skf18("4","6","1","9","2","9","1") = "8"
    & skf18("4","6","1","9","2","10","1") = "9"
    & skf18("4","6","1","9","3","1","1") = "8"
    & skf18("4","6","1","9","3","2","1") = "8"
    & skf18("4","6","1","9","3","3","1") = "8"
    & skf18("4","6","1","9","3","4","1") = "8"
    & skf18("4","6","1","9","3","5","1") = "8"
    & skf18("4","6","1","9","3","6","1") = "8"
    & skf18("4","6","1","9","3","7","1") = "8"
    & skf18("4","6","1","9","3","8","1") = "8"
    & skf18("4","6","1","9","3","9","1") = "8"
    & skf18("4","6","1","9","3","10","1") = "9"
    & skf18("4","6","1","9","4","1","1") = "8"
    & skf18("4","6","1","9","4","2","1") = "8"
    & skf18("4","6","1","9","4","3","1") = "8"
    & skf18("4","6","1","9","4","4","1") = "8"
    & skf18("4","6","1","9","4","5","1") = "8"
    & skf18("4","6","1","9","4","6","1") = "8"
    & skf18("4","6","1","9","4","7","1") = "8"
    & skf18("4","6","1","9","4","8","1") = "8"
    & skf18("4","6","1","9","4","9","1") = "8"
    & skf18("4","6","1","9","4","10","1") = "9"
    & skf18("4","6","1","9","5","1","1") = "8"
    & skf18("4","6","1","9","5","2","1") = "8"
    & skf18("4","6","1","9","5","3","1") = "8"
    & skf18("4","6","1","9","5","4","1") = "8"
    & skf18("4","6","1","9","5","5","1") = "8"
    & skf18("4","6","1","9","5","6","1") = "8"
    & skf18("4","6","1","9","5","7","1") = "8"
    & skf18("4","6","1","9","5","8","1") = "8"
    & skf18("4","6","1","9","5","9","1") = "8"
    & skf18("4","6","1","9","5","10","1") = "9"
    & skf18("4","6","1","9","6","1","1") = "8"
    & skf18("4","6","1","9","6","2","1") = "8"
    & skf18("4","6","1","9","6","3","1") = "8"
    & skf18("4","6","1","9","6","4","1") = "8"
    & skf18("4","6","1","9","6","5","1") = "8"
    & skf18("4","6","1","9","6","6","1") = "8"
    & skf18("4","6","1","9","6","7","1") = "8"
    & skf18("4","6","1","9","6","8","1") = "8"
    & skf18("4","6","1","9","6","9","1") = "8"
    & skf18("4","6","1","9","6","10","1") = "9"
    & skf18("4","6","1","9","7","1","1") = "8"
    & skf18("4","6","1","9","7","2","1") = "8"
    & skf18("4","6","1","9","7","3","1") = "8"
    & skf18("4","6","1","9","7","4","1") = "8"
    & skf18("4","6","1","9","7","5","1") = "8"
    & skf18("4","6","1","9","7","6","1") = "8"
    & skf18("4","6","1","9","7","7","1") = "8"
    & skf18("4","6","1","9","7","8","1") = "8"
    & skf18("4","6","1","9","7","9","1") = "8"
    & skf18("4","6","1","9","7","10","1") = "9"
    & skf18("4","6","1","9","8","1","1") = "8"
    & skf18("4","6","1","9","8","2","1") = "8"
    & skf18("4","6","1","9","8","3","1") = "8"
    & skf18("4","6","1","9","8","4","1") = "8"
    & skf18("4","6","1","9","8","5","1") = "8"
    & skf18("4","6","1","9","8","6","1") = "8"
    & skf18("4","6","1","9","8","7","1") = "8"
    & skf18("4","6","1","9","8","8","1") = "8"
    & skf18("4","6","1","9","8","9","1") = "8"
    & skf18("4","6","1","9","8","10","1") = "9"
    & skf18("4","6","1","9","9","1","1") = "8"
    & skf18("4","6","1","9","9","2","1") = "8"
    & skf18("4","6","1","9","9","3","1") = "8"
    & skf18("4","6","1","9","9","4","1") = "8"
    & skf18("4","6","1","9","9","5","1") = "8"
    & skf18("4","6","1","9","9","6","1") = "8"
    & skf18("4","6","1","9","9","7","1") = "8"
    & skf18("4","6","1","9","9","8","1") = "8"
    & skf18("4","6","1","9","9","9","1") = "8"
    & skf18("4","6","1","9","9","10","1") = "9"
    & skf18("4","6","1","9","10","1","1") = "9"
    & skf18("4","6","1","9","10","2","1") = "9"
    & skf18("4","6","1","9","10","3","1") = "9"
    & skf18("4","6","1","9","10","4","1") = "9"
    & skf18("4","6","1","9","10","5","1") = "9"
    & skf18("4","6","1","9","10","6","1") = "9"
    & skf18("4","6","1","9","10","7","1") = "9"
    & skf18("4","6","1","9","10","8","1") = "9"
    & skf18("4","6","1","9","10","9","1") = "9"
    & skf18("4","6","1","9","10","10","1") = "9"
    & skf18("4","6","1","10","1","1","1") = "9"
    & skf18("4","6","1","10","1","2","1") = "9"
    & skf18("4","6","1","10","1","3","1") = "9"
    & skf18("4","6","1","10","1","4","1") = "9"
    & skf18("4","6","1","10","1","5","1") = "9"
    & skf18("4","6","1","10","1","6","1") = "9"
    & skf18("4","6","1","10","1","7","1") = "9"
    & skf18("4","6","1","10","1","8","1") = "9"
    & skf18("4","6","1","10","1","9","1") = "9"
    & skf18("4","6","1","10","1","10","1") = "9"
    & skf18("4","6","1","10","2","1","1") = "9"
    & skf18("4","6","1","10","2","2","1") = "9"
    & skf18("4","6","1","10","2","3","1") = "9"
    & skf18("4","6","1","10","2","4","1") = "9"
    & skf18("4","6","1","10","2","5","1") = "9"
    & skf18("4","6","1","10","2","6","1") = "9"
    & skf18("4","6","1","10","2","7","1") = "9"
    & skf18("4","6","1","10","2","8","1") = "9"
    & skf18("4","6","1","10","2","9","1") = "9"
    & skf18("4","6","1","10","2","10","1") = "9"
    & skf18("4","6","1","10","3","1","1") = "9"
    & skf18("4","6","1","10","3","2","1") = "9"
    & skf18("4","6","1","10","3","3","1") = "9"
    & skf18("4","6","1","10","3","4","1") = "9"
    & skf18("4","6","1","10","3","5","1") = "9"
    & skf18("4","6","1","10","3","6","1") = "9"
    & skf18("4","6","1","10","3","7","1") = "9"
    & skf18("4","6","1","10","3","8","1") = "9"
    & skf18("4","6","1","10","3","9","1") = "9"
    & skf18("4","6","1","10","3","10","1") = "9"
    & skf18("4","6","1","10","4","1","1") = "9"
    & skf18("4","6","1","10","4","2","1") = "9"
    & skf18("4","6","1","10","4","3","1") = "9"
    & skf18("4","6","1","10","4","4","1") = "9"
    & skf18("4","6","1","10","4","5","1") = "9"
    & skf18("4","6","1","10","4","6","1") = "9"
    & skf18("4","6","1","10","4","7","1") = "9"
    & skf18("4","6","1","10","4","8","1") = "9"
    & skf18("4","6","1","10","4","9","1") = "9"
    & skf18("4","6","1","10","4","10","1") = "9"
    & skf18("4","6","1","10","5","1","1") = "9"
    & skf18("4","6","1","10","5","2","1") = "9"
    & skf18("4","6","1","10","5","3","1") = "9"
    & skf18("4","6","1","10","5","4","1") = "9"
    & skf18("4","6","1","10","5","5","1") = "9"
    & skf18("4","6","1","10","5","6","1") = "9"
    & skf18("4","6","1","10","5","7","1") = "9"
    & skf18("4","6","1","10","5","8","1") = "9"
    & skf18("4","6","1","10","5","9","1") = "9"
    & skf18("4","6","1","10","5","10","1") = "9"
    & skf18("4","6","1","10","6","1","1") = "9"
    & skf18("4","6","1","10","6","2","1") = "9"
    & skf18("4","6","1","10","6","3","1") = "9"
    & skf18("4","6","1","10","6","4","1") = "9"
    & skf18("4","6","1","10","6","5","1") = "9"
    & skf18("4","6","1","10","6","6","1") = "9"
    & skf18("4","6","1","10","6","7","1") = "9"
    & skf18("4","6","1","10","6","8","1") = "9"
    & skf18("4","6","1","10","6","9","1") = "9"
    & skf18("4","6","1","10","6","10","1") = "9"
    & skf18("4","6","1","10","7","1","1") = "9"
    & skf18("4","6","1","10","7","2","1") = "9"
    & skf18("4","6","1","10","7","3","1") = "9"
    & skf18("4","6","1","10","7","4","1") = "9"
    & skf18("4","6","1","10","7","5","1") = "9"
    & skf18("4","6","1","10","7","6","1") = "9"
    & skf18("4","6","1","10","7","7","1") = "9"
    & skf18("4","6","1","10","7","8","1") = "9"
    & skf18("4","6","1","10","7","9","1") = "9"
    & skf18("4","6","1","10","7","10","1") = "9"
    & skf18("4","6","1","10","8","1","1") = "9"
    & skf18("4","6","1","10","8","2","1") = "9"
    & skf18("4","6","1","10","8","3","1") = "9"
    & skf18("4","6","1","10","8","4","1") = "9"
    & skf18("4","6","1","10","8","5","1") = "9"
    & skf18("4","6","1","10","8","6","1") = "9"
    & skf18("4","6","1","10","8","7","1") = "9"
    & skf18("4","6","1","10","8","8","1") = "9"
    & skf18("4","6","1","10","8","9","1") = "9"
    & skf18("4","6","1","10","8","10","1") = "9"
    & skf18("4","6","1","10","9","1","1") = "9"
    & skf18("4","6","1","10","9","2","1") = "9"
    & skf18("4","6","1","10","9","3","1") = "9"
    & skf18("4","6","1","10","9","4","1") = "9"
    & skf18("4","6","1","10","9","5","1") = "9"
    & skf18("4","6","1","10","9","6","1") = "9"
    & skf18("4","6","1","10","9","7","1") = "9"
    & skf18("4","6","1","10","9","8","1") = "9"
    & skf18("4","6","1","10","9","9","1") = "9"
    & skf18("4","6","1","10","9","10","1") = "9"
    & skf18("4","6","1","10","10","1","1") = "9"
    & skf18("4","6","1","10","10","2","1") = "9"
    & skf18("4","6","1","10","10","3","1") = "9"
    & skf18("4","6","1","10","10","4","1") = "9"
    & skf18("4","6","1","10","10","5","1") = "9"
    & skf18("4","6","1","10","10","6","1") = "9"
    & skf18("4","6","1","10","10","7","1") = "9"
    & skf18("4","6","1","10","10","8","1") = "9"
    & skf18("4","6","1","10","10","9","1") = "9"
    & skf18("4","6","1","10","10","10","1") = "9"
    & skf18("4","6","2","1","1","1","1") = "5"
    & skf18("4","6","2","1","1","2","1") = "5"
    & skf18("4","6","2","1","1","3","1") = "5"
    & skf18("4","6","2","1","1","4","1") = "5"
    & skf18("4","6","2","1","1","5","1") = "5"
    & skf18("4","6","2","1","1","6","1") = "5"
    & skf18("4","6","2","1","1","7","1") = "6"
    & skf18("4","6","2","1","1","8","1") = "7"
    & skf18("4","6","2","1","1","9","1") = "8"
    & skf18("4","6","2","1","1","10","1") = "9"
    & skf18("4","6","2","1","2","1","1") = "5"
    & skf18("4","6","2","1","2","2","1") = "5"
    & skf18("4","6","2","1","2","3","1") = "5"
    & skf18("4","6","2","1","2","4","1") = "5"
    & skf18("4","6","2","1","2","5","1") = "5"
    & skf18("4","6","2","1","2","6","1") = "5"
    & skf18("4","6","2","1","2","7","1") = "6"
    & skf18("4","6","2","1","2","8","1") = "7"
    & skf18("4","6","2","1","2","9","1") = "8"
    & skf18("4","6","2","1","2","10","1") = "9"
    & skf18("4","6","2","1","3","1","1") = "5"
    & skf18("4","6","2","1","3","2","1") = "5"
    & skf18("4","6","2","1","3","3","1") = "5"
    & skf18("4","6","2","1","3","4","1") = "5"
    & skf18("4","6","2","1","3","5","1") = "5"
    & skf18("4","6","2","1","3","6","1") = "5"
    & skf18("4","6","2","1","3","7","1") = "6"
    & skf18("4","6","2","1","3","8","1") = "7"
    & skf18("4","6","2","1","3","9","1") = "8"
    & skf18("4","6","2","1","3","10","1") = "9"
    & skf18("4","6","2","1","4","1","1") = "5"
    & skf18("4","6","2","1","4","2","1") = "5"
    & skf18("4","6","2","1","4","3","1") = "5"
    & skf18("4","6","2","1","4","4","1") = "5"
    & skf18("4","6","2","1","4","5","1") = "5"
    & skf18("4","6","2","1","4","6","1") = "5"
    & skf18("4","6","2","1","4","7","1") = "6"
    & skf18("4","6","2","1","4","8","1") = "7"
    & skf18("4","6","2","1","4","9","1") = "8"
    & skf18("4","6","2","1","4","10","1") = "9"
    & skf18("4","6","2","1","5","1","1") = "5"
    & skf18("4","6","2","1","5","2","1") = "5"
    & skf18("4","6","2","1","5","3","1") = "5"
    & skf18("4","6","2","1","5","4","1") = "5"
    & skf18("4","6","2","1","5","5","1") = "5"
    & skf18("4","6","2","1","5","6","1") = "5"
    & skf18("4","6","2","1","5","7","1") = "6"
    & skf18("4","6","2","1","5","8","1") = "7"
    & skf18("4","6","2","1","5","9","1") = "8"
    & skf18("4","6","2","1","5","10","1") = "9"
    & skf18("4","6","2","1","6","1","1") = "5"
    & skf18("4","6","2","1","6","2","1") = "5"
    & skf18("4","6","2","1","6","3","1") = "5"
    & skf18("4","6","2","1","6","4","1") = "5"
    & skf18("4","6","2","1","6","5","1") = "5"
    & skf18("4","6","2","1","6","6","1") = "5"
    & skf18("4","6","2","1","6","7","1") = "6"
    & skf18("4","6","2","1","6","8","1") = "7"
    & skf18("4","6","2","1","6","9","1") = "8"
    & skf18("4","6","2","1","6","10","1") = "9"
    & skf18("4","6","2","1","7","1","1") = "6"
    & skf18("4","6","2","1","7","2","1") = "6"
    & skf18("4","6","2","1","7","3","1") = "6"
    & skf18("4","6","2","1","7","4","1") = "6"
    & skf18("4","6","2","1","7","5","1") = "6"
    & skf18("4","6","2","1","7","6","1") = "6"
    & skf18("4","6","2","1","7","7","1") = "6"
    & skf18("4","6","2","1","7","8","1") = "7"
    & skf18("4","6","2","1","7","9","1") = "8"
    & skf18("4","6","2","1","7","10","1") = "9"
    & skf18("4","6","2","1","8","1","1") = "7"
    & skf18("4","6","2","1","8","2","1") = "7"
    & skf18("4","6","2","1","8","3","1") = "7"
    & skf18("4","6","2","1","8","4","1") = "7"
    & skf18("4","6","2","1","8","5","1") = "7"
    & skf18("4","6","2","1","8","6","1") = "7"
    & skf18("4","6","2","1","8","7","1") = "7"
    & skf18("4","6","2","1","8","8","1") = "7"
    & skf18("4","6","2","1","8","9","1") = "8"
    & skf18("4","6","2","1","8","10","1") = "9"
    & skf18("4","6","2","1","9","1","1") = "8"
    & skf18("4","6","2","1","9","2","1") = "8"
    & skf18("4","6","2","1","9","3","1") = "8"
    & skf18("4","6","2","1","9","4","1") = "8"
    & skf18("4","6","2","1","9","5","1") = "8"
    & skf18("4","6","2","1","9","6","1") = "8"
    & skf18("4","6","2","1","9","7","1") = "8"
    & skf18("4","6","2","1","9","8","1") = "8"
    & skf18("4","6","2","1","9","9","1") = "8"
    & skf18("4","6","2","1","9","10","1") = "9"
    & skf18("4","6","2","1","10","1","1") = "9"
    & skf18("4","6","2","1","10","2","1") = "9"
    & skf18("4","6","2","1","10","3","1") = "9"
    & skf18("4","6","2","1","10","4","1") = "9"
    & skf18("4","6","2","1","10","5","1") = "9"
    & skf18("4","6","2","1","10","6","1") = "9"
    & skf18("4","6","2","1","10","7","1") = "9"
    & skf18("4","6","2","1","10","8","1") = "9"
    & skf18("4","6","2","1","10","9","1") = "9"
    & skf18("4","6","2","1","10","10","1") = "9"
    & skf18("4","6","2","2","1","1","1") = "5"
    & skf18("4","6","2","2","1","2","1") = "5"
    & skf18("4","6","2","2","1","3","1") = "5"
    & skf18("4","6","2","2","1","4","1") = "5"
    & skf18("4","6","2","2","1","5","1") = "5"
    & skf18("4","6","2","2","1","6","1") = "5"
    & skf18("4","6","2","2","1","7","1") = "6"
    & skf18("4","6","2","2","1","8","1") = "7"
    & skf18("4","6","2","2","1","9","1") = "8"
    & skf18("4","6","2","2","1","10","1") = "9"
    & skf18("4","6","2","2","2","1","1") = "5"
    & skf18("4","6","2","2","2","2","1") = "5"
    & skf18("4","6","2","2","2","3","1") = "5"
    & skf18("4","6","2","2","2","4","1") = "5"
    & skf18("4","6","2","2","2","5","1") = "5"
    & skf18("4","6","2","2","2","6","1") = "5"
    & skf18("4","6","2","2","2","7","1") = "6"
    & skf18("4","6","2","2","2","8","1") = "7"
    & skf18("4","6","2","2","2","9","1") = "8"
    & skf18("4","6","2","2","2","10","1") = "9"
    & skf18("4","6","2","2","3","1","1") = "5"
    & skf18("4","6","2","2","3","2","1") = "5"
    & skf18("4","6","2","2","3","3","1") = "5"
    & skf18("4","6","2","2","3","4","1") = "5"
    & skf18("4","6","2","2","3","5","1") = "5"
    & skf18("4","6","2","2","3","6","1") = "5"
    & skf18("4","6","2","2","3","7","1") = "6"
    & skf18("4","6","2","2","3","8","1") = "7"
    & skf18("4","6","2","2","3","9","1") = "8"
    & skf18("4","6","2","2","3","10","1") = "9"
    & skf18("4","6","2","2","4","1","1") = "5"
    & skf18("4","6","2","2","4","2","1") = "5"
    & skf18("4","6","2","2","4","3","1") = "5"
    & skf18("4","6","2","2","4","4","1") = "5"
    & skf18("4","6","2","2","4","5","1") = "5"
    & skf18("4","6","2","2","4","6","1") = "5"
    & skf18("4","6","2","2","4","7","1") = "6"
    & skf18("4","6","2","2","4","8","1") = "7"
    & skf18("4","6","2","2","4","9","1") = "8"
    & skf18("4","6","2","2","4","10","1") = "9"
    & skf18("4","6","2","2","5","1","1") = "5"
    & skf18("4","6","2","2","5","2","1") = "5"
    & skf18("4","6","2","2","5","3","1") = "5"
    & skf18("4","6","2","2","5","4","1") = "5"
    & skf18("4","6","2","2","5","5","1") = "5"
    & skf18("4","6","2","2","5","6","1") = "5"
    & skf18("4","6","2","2","5","7","1") = "6"
    & skf18("4","6","2","2","5","8","1") = "7"
    & skf18("4","6","2","2","5","9","1") = "8"
    & skf18("4","6","2","2","5","10","1") = "9"
    & skf18("4","6","2","2","6","1","1") = "5"
    & skf18("4","6","2","2","6","2","1") = "5"
    & skf18("4","6","2","2","6","3","1") = "5"
    & skf18("4","6","2","2","6","4","1") = "5"
    & skf18("4","6","2","2","6","5","1") = "5"
    & skf18("4","6","2","2","6","6","1") = "5"
    & skf18("4","6","2","2","6","7","1") = "6"
    & skf18("4","6","2","2","6","8","1") = "7"
    & skf18("4","6","2","2","6","9","1") = "8"
    & skf18("4","6","2","2","6","10","1") = "9"
    & skf18("4","6","2","2","7","1","1") = "6"
    & skf18("4","6","2","2","7","2","1") = "6"
    & skf18("4","6","2","2","7","3","1") = "6"
    & skf18("4","6","2","2","7","4","1") = "6"
    & skf18("4","6","2","2","7","5","1") = "6"
    & skf18("4","6","2","2","7","6","1") = "6"
    & skf18("4","6","2","2","7","7","1") = "6"
    & skf18("4","6","2","2","7","8","1") = "7"
    & skf18("4","6","2","2","7","9","1") = "8"
    & skf18("4","6","2","2","7","10","1") = "9"
    & skf18("4","6","2","2","8","1","1") = "7"
    & skf18("4","6","2","2","8","2","1") = "7"
    & skf18("4","6","2","2","8","3","1") = "7"
    & skf18("4","6","2","2","8","4","1") = "7"
    & skf18("4","6","2","2","8","5","1") = "7"
    & skf18("4","6","2","2","8","6","1") = "7"
    & skf18("4","6","2","2","8","7","1") = "7"
    & skf18("4","6","2","2","8","8","1") = "7"
    & skf18("4","6","2","2","8","9","1") = "8"
    & skf18("4","6","2","2","8","10","1") = "9"
    & skf18("4","6","2","2","9","1","1") = "8"
    & skf18("4","6","2","2","9","2","1") = "8"
    & skf18("4","6","2","2","9","3","1") = "8"
    & skf18("4","6","2","2","9","4","1") = "8"
    & skf18("4","6","2","2","9","5","1") = "8"
    & skf18("4","6","2","2","9","6","1") = "8"
    & skf18("4","6","2","2","9","7","1") = "8"
    & skf18("4","6","2","2","9","8","1") = "8"
    & skf18("4","6","2","2","9","9","1") = "8"
    & skf18("4","6","2","2","9","10","1") = "9"
    & skf18("4","6","2","2","10","1","1") = "9"
    & skf18("4","6","2","2","10","2","1") = "9"
    & skf18("4","6","2","2","10","3","1") = "9"
    & skf18("4","6","2","2","10","4","1") = "9"
    & skf18("4","6","2","2","10","5","1") = "9"
    & skf18("4","6","2","2","10","6","1") = "9"
    & skf18("4","6","2","2","10","7","1") = "9"
    & skf18("4","6","2","2","10","8","1") = "9"
    & skf18("4","6","2","2","10","9","1") = "9"
    & skf18("4","6","2","2","10","10","1") = "9"
    & skf18("4","6","2","3","1","1","1") = "5"
    & skf18("4","6","2","3","1","2","1") = "5"
    & skf18("4","6","2","3","1","3","1") = "5"
    & skf18("4","6","2","3","1","4","1") = "5"
    & skf18("4","6","2","3","1","5","1") = "5"
    & skf18("4","6","2","3","1","6","1") = "5"
    & skf18("4","6","2","3","1","7","1") = "6"
    & skf18("4","6","2","3","1","8","1") = "7"
    & skf18("4","6","2","3","1","9","1") = "8"
    & skf18("4","6","2","3","1","10","1") = "9"
    & skf18("4","6","2","3","2","1","1") = "5"
    & skf18("4","6","2","3","2","2","1") = "5"
    & skf18("4","6","2","3","2","3","1") = "5"
    & skf18("4","6","2","3","2","4","1") = "5"
    & skf18("4","6","2","3","2","5","1") = "5"
    & skf18("4","6","2","3","2","6","1") = "5"
    & skf18("4","6","2","3","2","7","1") = "6"
    & skf18("4","6","2","3","2","8","1") = "7"
    & skf18("4","6","2","3","2","9","1") = "8"
    & skf18("4","6","2","3","2","10","1") = "9"
    & skf18("4","6","2","3","3","1","1") = "5"
    & skf18("4","6","2","3","3","2","1") = "5"
    & skf18("4","6","2","3","3","3","1") = "5"
    & skf18("4","6","2","3","3","4","1") = "5"
    & skf18("4","6","2","3","3","5","1") = "5"
    & skf18("4","6","2","3","3","6","1") = "5"
    & skf18("4","6","2","3","3","7","1") = "6"
    & skf18("4","6","2","3","3","8","1") = "7"
    & skf18("4","6","2","3","3","9","1") = "8"
    & skf18("4","6","2","3","3","10","1") = "9"
    & skf18("4","6","2","3","4","1","1") = "5"
    & skf18("4","6","2","3","4","2","1") = "5"
    & skf18("4","6","2","3","4","3","1") = "5"
    & skf18("4","6","2","3","4","4","1") = "5"
    & skf18("4","6","2","3","4","5","1") = "5"
    & skf18("4","6","2","3","4","6","1") = "5"
    & skf18("4","6","2","3","4","7","1") = "6"
    & skf18("4","6","2","3","4","8","1") = "7"
    & skf18("4","6","2","3","4","9","1") = "8"
    & skf18("4","6","2","3","4","10","1") = "9"
    & skf18("4","6","2","3","5","1","1") = "5"
    & skf18("4","6","2","3","5","2","1") = "5"
    & skf18("4","6","2","3","5","3","1") = "5"
    & skf18("4","6","2","3","5","4","1") = "5"
    & skf18("4","6","2","3","5","5","1") = "5"
    & skf18("4","6","2","3","5","6","1") = "5"
    & skf18("4","6","2","3","5","7","1") = "6"
    & skf18("4","6","2","3","5","8","1") = "7"
    & skf18("4","6","2","3","5","9","1") = "8"
    & skf18("4","6","2","3","5","10","1") = "9"
    & skf18("4","6","2","3","6","1","1") = "5"
    & skf18("4","6","2","3","6","2","1") = "5"
    & skf18("4","6","2","3","6","3","1") = "5"
    & skf18("4","6","2","3","6","4","1") = "5"
    & skf18("4","6","2","3","6","5","1") = "5"
    & skf18("4","6","2","3","6","6","1") = "5"
    & skf18("4","6","2","3","6","7","1") = "6"
    & skf18("4","6","2","3","6","8","1") = "7"
    & skf18("4","6","2","3","6","9","1") = "8"
    & skf18("4","6","2","3","6","10","1") = "9"
    & skf18("4","6","2","3","7","1","1") = "6"
    & skf18("4","6","2","3","7","2","1") = "6"
    & skf18("4","6","2","3","7","3","1") = "6"
    & skf18("4","6","2","3","7","4","1") = "6"
    & skf18("4","6","2","3","7","5","1") = "6"
    & skf18("4","6","2","3","7","6","1") = "6"
    & skf18("4","6","2","3","7","7","1") = "6"
    & skf18("4","6","2","3","7","8","1") = "7"
    & skf18("4","6","2","3","7","9","1") = "8"
    & skf18("4","6","2","3","7","10","1") = "9"
    & skf18("4","6","2","3","8","1","1") = "7"
    & skf18("4","6","2","3","8","2","1") = "7"
    & skf18("4","6","2","3","8","3","1") = "7"
    & skf18("4","6","2","3","8","4","1") = "7"
    & skf18("4","6","2","3","8","5","1") = "7"
    & skf18("4","6","2","3","8","6","1") = "7"
    & skf18("4","6","2","3","8","7","1") = "7"
    & skf18("4","6","2","3","8","8","1") = "7"
    & skf18("4","6","2","3","8","9","1") = "8"
    & skf18("4","6","2","3","8","10","1") = "9"
    & skf18("4","6","2","3","9","1","1") = "8"
    & skf18("4","6","2","3","9","2","1") = "8"
    & skf18("4","6","2","3","9","3","1") = "8"
    & skf18("4","6","2","3","9","4","1") = "8"
    & skf18("4","6","2","3","9","5","1") = "8"
    & skf18("4","6","2","3","9","6","1") = "8"
    & skf18("4","6","2","3","9","7","1") = "8"
    & skf18("4","6","2","3","9","8","1") = "8"
    & skf18("4","6","2","3","9","9","1") = "8"
    & skf18("4","6","2","3","9","10","1") = "9"
    & skf18("4","6","2","3","10","1","1") = "9"
    & skf18("4","6","2","3","10","2","1") = "9"
    & skf18("4","6","2","3","10","3","1") = "9"
    & skf18("4","6","2","3","10","4","1") = "9"
    & skf18("4","6","2","3","10","5","1") = "9"
    & skf18("4","6","2","3","10","6","1") = "9"
    & skf18("4","6","2","3","10","7","1") = "9"
    & skf18("4","6","2","3","10","8","1") = "9"
    & skf18("4","6","2","3","10","9","1") = "9"
    & skf18("4","6","2","3","10","10","1") = "9"
    & skf18("4","6","2","4","1","1","1") = "5"
    & skf18("4","6","2","4","1","2","1") = "5"
    & skf18("4","6","2","4","1","3","1") = "5"
    & skf18("4","6","2","4","1","4","1") = "5"
    & skf18("4","6","2","4","1","5","1") = "5"
    & skf18("4","6","2","4","1","6","1") = "5"
    & skf18("4","6","2","4","1","7","1") = "6"
    & skf18("4","6","2","4","1","8","1") = "7"
    & skf18("4","6","2","4","1","9","1") = "8"
    & skf18("4","6","2","4","1","10","1") = "9"
    & skf18("4","6","2","4","2","1","1") = "5"
    & skf18("4","6","2","4","2","2","1") = "5"
    & skf18("4","6","2","4","2","3","1") = "5"
    & skf18("4","6","2","4","2","4","1") = "5"
    & skf18("4","6","2","4","2","5","1") = "5"
    & skf18("4","6","2","4","2","6","1") = "5"
    & skf18("4","6","2","4","2","7","1") = "6"
    & skf18("4","6","2","4","2","8","1") = "7"
    & skf18("4","6","2","4","2","9","1") = "8"
    & skf18("4","6","2","4","2","10","1") = "9"
    & skf18("4","6","2","4","3","1","1") = "5"
    & skf18("4","6","2","4","3","2","1") = "5"
    & skf18("4","6","2","4","3","3","1") = "5"
    & skf18("4","6","2","4","3","4","1") = "5"
    & skf18("4","6","2","4","3","5","1") = "5"
    & skf18("4","6","2","4","3","6","1") = "5"
    & skf18("4","6","2","4","3","7","1") = "6"
    & skf18("4","6","2","4","3","8","1") = "7"
    & skf18("4","6","2","4","3","9","1") = "8"
    & skf18("4","6","2","4","3","10","1") = "9"
    & skf18("4","6","2","4","4","1","1") = "5"
    & skf18("4","6","2","4","4","2","1") = "5"
    & skf18("4","6","2","4","4","3","1") = "5"
    & skf18("4","6","2","4","4","4","1") = "5"
    & skf18("4","6","2","4","4","5","1") = "5"
    & skf18("4","6","2","4","4","6","1") = "5"
    & skf18("4","6","2","4","4","7","1") = "6"
    & skf18("4","6","2","4","4","8","1") = "7"
    & skf18("4","6","2","4","4","9","1") = "8"
    & skf18("4","6","2","4","4","10","1") = "9"
    & skf18("4","6","2","4","5","1","1") = "5"
    & skf18("4","6","2","4","5","2","1") = "5"
    & skf18("4","6","2","4","5","3","1") = "5"
    & skf18("4","6","2","4","5","4","1") = "5"
    & skf18("4","6","2","4","5","5","1") = "5"
    & skf18("4","6","2","4","5","6","1") = "5"
    & skf18("4","6","2","4","5","7","1") = "6"
    & skf18("4","6","2","4","5","8","1") = "7"
    & skf18("4","6","2","4","5","9","1") = "8"
    & skf18("4","6","2","4","5","10","1") = "9"
    & skf18("4","6","2","4","6","1","1") = "5"
    & skf18("4","6","2","4","6","2","1") = "5"
    & skf18("4","6","2","4","6","3","1") = "5"
    & skf18("4","6","2","4","6","4","1") = "5"
    & skf18("4","6","2","4","6","5","1") = "5"
    & skf18("4","6","2","4","6","6","1") = "5"
    & skf18("4","6","2","4","6","7","1") = "6"
    & skf18("4","6","2","4","6","8","1") = "7"
    & skf18("4","6","2","4","6","9","1") = "8"
    & skf18("4","6","2","4","6","10","1") = "9"
    & skf18("4","6","2","4","7","1","1") = "6"
    & skf18("4","6","2","4","7","2","1") = "6"
    & skf18("4","6","2","4","7","3","1") = "6"
    & skf18("4","6","2","4","7","4","1") = "6"
    & skf18("4","6","2","4","7","5","1") = "6"
    & skf18("4","6","2","4","7","6","1") = "6"
    & skf18("4","6","2","4","7","7","1") = "6"
    & skf18("4","6","2","4","7","8","1") = "7"
    & skf18("4","6","2","4","7","9","1") = "8"
    & skf18("4","6","2","4","7","10","1") = "9"
    & skf18("4","6","2","4","8","1","1") = "7"
    & skf18("4","6","2","4","8","2","1") = "7"
    & skf18("4","6","2","4","8","3","1") = "7"
    & skf18("4","6","2","4","8","4","1") = "7"
    & skf18("4","6","2","4","8","5","1") = "7"
    & skf18("4","6","2","4","8","6","1") = "7"
    & skf18("4","6","2","4","8","7","1") = "7"
    & skf18("4","6","2","4","8","8","1") = "7"
    & skf18("4","6","2","4","8","9","1") = "8"
    & skf18("4","6","2","4","8","10","1") = "9"
    & skf18("4","6","2","4","9","1","1") = "8"
    & skf18("4","6","2","4","9","2","1") = "8"
    & skf18("4","6","2","4","9","3","1") = "8"
    & skf18("4","6","2","4","9","4","1") = "8"
    & skf18("4","6","2","4","9","5","1") = "8"
    & skf18("4","6","2","4","9","6","1") = "8"
    & skf18("4","6","2","4","9","7","1") = "8"
    & skf18("4","6","2","4","9","8","1") = "8"
    & skf18("4","6","2","4","9","9","1") = "8"
    & skf18("4","6","2","4","9","10","1") = "9"
    & skf18("4","6","2","4","10","1","1") = "9"
    & skf18("4","6","2","4","10","2","1") = "9"
    & skf18("4","6","2","4","10","3","1") = "9"
    & skf18("4","6","2","4","10","4","1") = "9"
    & skf18("4","6","2","4","10","5","1") = "9"
    & skf18("4","6","2","4","10","6","1") = "9"
    & skf18("4","6","2","4","10","7","1") = "9"
    & skf18("4","6","2","4","10","8","1") = "9"
    & skf18("4","6","2","4","10","9","1") = "9"
    & skf18("4","6","2","4","10","10","1") = "9"
    & skf18("4","6","2","5","1","1","1") = "5"
    & skf18("4","6","2","5","1","2","1") = "5"
    & skf18("4","6","2","5","1","3","1") = "5"
    & skf18("4","6","2","5","1","4","1") = "5"
    & skf18("4","6","2","5","1","5","1") = "5"
    & skf18("4","6","2","5","1","6","1") = "5"
    & skf18("4","6","2","5","1","7","1") = "6"
    & skf18("4","6","2","5","1","8","1") = "7"
    & skf18("4","6","2","5","1","9","1") = "8"
    & skf18("4","6","2","5","1","10","1") = "9"
    & skf18("4","6","2","5","2","1","1") = "5"
    & skf18("4","6","2","5","2","2","1") = "5"
    & skf18("4","6","2","5","2","3","1") = "5"
    & skf18("4","6","2","5","2","4","1") = "5"
    & skf18("4","6","2","5","2","5","1") = "5"
    & skf18("4","6","2","5","2","6","1") = "5"
    & skf18("4","6","2","5","2","7","1") = "6"
    & skf18("4","6","2","5","2","8","1") = "7"
    & skf18("4","6","2","5","2","9","1") = "8"
    & skf18("4","6","2","5","2","10","1") = "9"
    & skf18("4","6","2","5","3","1","1") = "5"
    & skf18("4","6","2","5","3","2","1") = "5"
    & skf18("4","6","2","5","3","3","1") = "5"
    & skf18("4","6","2","5","3","4","1") = "5"
    & skf18("4","6","2","5","3","5","1") = "5"
    & skf18("4","6","2","5","3","6","1") = "5"
    & skf18("4","6","2","5","3","7","1") = "6"
    & skf18("4","6","2","5","3","8","1") = "7"
    & skf18("4","6","2","5","3","9","1") = "8"
    & skf18("4","6","2","5","3","10","1") = "9"
    & skf18("4","6","2","5","4","1","1") = "5"
    & skf18("4","6","2","5","4","2","1") = "5"
    & skf18("4","6","2","5","4","3","1") = "5"
    & skf18("4","6","2","5","4","4","1") = "5"
    & skf18("4","6","2","5","4","5","1") = "5"
    & skf18("4","6","2","5","4","6","1") = "5"
    & skf18("4","6","2","5","4","7","1") = "6"
    & skf18("4","6","2","5","4","8","1") = "7"
    & skf18("4","6","2","5","4","9","1") = "8"
    & skf18("4","6","2","5","4","10","1") = "9"
    & skf18("4","6","2","5","5","1","1") = "5"
    & skf18("4","6","2","5","5","2","1") = "5"
    & skf18("4","6","2","5","5","3","1") = "5"
    & skf18("4","6","2","5","5","4","1") = "5"
    & skf18("4","6","2","5","5","5","1") = "5"
    & skf18("4","6","2","5","5","6","1") = "5"
    & skf18("4","6","2","5","5","7","1") = "6"
    & skf18("4","6","2","5","5","8","1") = "7"
    & skf18("4","6","2","5","5","9","1") = "8"
    & skf18("4","6","2","5","5","10","1") = "9"
    & skf18("4","6","2","5","6","1","1") = "5"
    & skf18("4","6","2","5","6","2","1") = "5"
    & skf18("4","6","2","5","6","3","1") = "5"
    & skf18("4","6","2","5","6","4","1") = "5"
    & skf18("4","6","2","5","6","5","1") = "5"
    & skf18("4","6","2","5","6","6","1") = "5"
    & skf18("4","6","2","5","6","7","1") = "6"
    & skf18("4","6","2","5","6","8","1") = "7"
    & skf18("4","6","2","5","6","9","1") = "8"
    & skf18("4","6","2","5","6","10","1") = "9"
    & skf18("4","6","2","5","7","1","1") = "6"
    & skf18("4","6","2","5","7","2","1") = "6"
    & skf18("4","6","2","5","7","3","1") = "6"
    & skf18("4","6","2","5","7","4","1") = "6"
    & skf18("4","6","2","5","7","5","1") = "6"
    & skf18("4","6","2","5","7","6","1") = "6"
    & skf18("4","6","2","5","7","7","1") = "6"
    & skf18("4","6","2","5","7","8","1") = "7"
    & skf18("4","6","2","5","7","9","1") = "8"
    & skf18("4","6","2","5","7","10","1") = "9"
    & skf18("4","6","2","5","8","1","1") = "7"
    & skf18("4","6","2","5","8","2","1") = "7"
    & skf18("4","6","2","5","8","3","1") = "7"
    & skf18("4","6","2","5","8","4","1") = "7"
    & skf18("4","6","2","5","8","5","1") = "7"
    & skf18("4","6","2","5","8","6","1") = "7"
    & skf18("4","6","2","5","8","7","1") = "7"
    & skf18("4","6","2","5","8","8","1") = "7"
    & skf18("4","6","2","5","8","9","1") = "8"
    & skf18("4","6","2","5","8","10","1") = "9"
    & skf18("4","6","2","5","9","1","1") = "8"
    & skf18("4","6","2","5","9","2","1") = "8"
    & skf18("4","6","2","5","9","3","1") = "8"
    & skf18("4","6","2","5","9","4","1") = "8"
    & skf18("4","6","2","5","9","5","1") = "8"
    & skf18("4","6","2","5","9","6","1") = "8"
    & skf18("4","6","2","5","9","7","1") = "8"
    & skf18("4","6","2","5","9","8","1") = "8"
    & skf18("4","6","2","5","9","9","1") = "8"
    & skf18("4","6","2","5","9","10","1") = "9"
    & skf18("4","6","2","5","10","1","1") = "9"
    & skf18("4","6","2","5","10","2","1") = "9"
    & skf18("4","6","2","5","10","3","1") = "9"
    & skf18("4","6","2","5","10","4","1") = "9"
    & skf18("4","6","2","5","10","5","1") = "9"
    & skf18("4","6","2","5","10","6","1") = "9"
    & skf18("4","6","2","5","10","7","1") = "9"
    & skf18("4","6","2","5","10","8","1") = "9"
    & skf18("4","6","2","5","10","9","1") = "9"
    & skf18("4","6","2","5","10","10","1") = "9"
    & skf18("4","6","2","6","1","1","1") = "5"
    & skf18("4","6","2","6","1","2","1") = "5"
    & skf18("4","6","2","6","1","3","1") = "5"
    & skf18("4","6","2","6","1","4","1") = "5"
    & skf18("4","6","2","6","1","5","1") = "5"
    & skf18("4","6","2","6","1","6","1") = "5"
    & skf18("4","6","2","6","1","7","1") = "6"
    & skf18("4","6","2","6","1","8","1") = "7"
    & skf18("4","6","2","6","1","9","1") = "8"
    & skf18("4","6","2","6","1","10","1") = "9"
    & skf18("4","6","2","6","2","1","1") = "5"
    & skf18("4","6","2","6","2","2","1") = "5"
    & skf18("4","6","2","6","2","3","1") = "5"
    & skf18("4","6","2","6","2","4","1") = "5"
    & skf18("4","6","2","6","2","5","1") = "5"
    & skf18("4","6","2","6","2","6","1") = "5"
    & skf18("4","6","2","6","2","7","1") = "6"
    & skf18("4","6","2","6","2","8","1") = "7"
    & skf18("4","6","2","6","2","9","1") = "8"
    & skf18("4","6","2","6","2","10","1") = "9"
    & skf18("4","6","2","6","3","1","1") = "5"
    & skf18("4","6","2","6","3","2","1") = "5"
    & skf18("4","6","2","6","3","3","1") = "5"
    & skf18("4","6","2","6","3","4","1") = "5"
    & skf18("4","6","2","6","3","5","1") = "5"
    & skf18("4","6","2","6","3","6","1") = "5"
    & skf18("4","6","2","6","3","7","1") = "6"
    & skf18("4","6","2","6","3","8","1") = "7"
    & skf18("4","6","2","6","3","9","1") = "8"
    & skf18("4","6","2","6","3","10","1") = "9"
    & skf18("4","6","2","6","4","1","1") = "5"
    & skf18("4","6","2","6","4","2","1") = "5"
    & skf18("4","6","2","6","4","3","1") = "5"
    & skf18("4","6","2","6","4","4","1") = "5"
    & skf18("4","6","2","6","4","5","1") = "5"
    & skf18("4","6","2","6","4","6","1") = "5"
    & skf18("4","6","2","6","4","7","1") = "6"
    & skf18("4","6","2","6","4","8","1") = "7"
    & skf18("4","6","2","6","4","9","1") = "8"
    & skf18("4","6","2","6","4","10","1") = "9"
    & skf18("4","6","2","6","5","1","1") = "5"
    & skf18("4","6","2","6","5","2","1") = "5"
    & skf18("4","6","2","6","5","3","1") = "5"
    & skf18("4","6","2","6","5","4","1") = "5"
    & skf18("4","6","2","6","5","5","1") = "5"
    & skf18("4","6","2","6","5","6","1") = "5"
    & skf18("4","6","2","6","5","7","1") = "6"
    & skf18("4","6","2","6","5","8","1") = "7"
    & skf18("4","6","2","6","5","9","1") = "8"
    & skf18("4","6","2","6","5","10","1") = "9"
    & skf18("4","6","2","6","6","1","1") = "5"
    & skf18("4","6","2","6","6","2","1") = "5"
    & skf18("4","6","2","6","6","3","1") = "5"
    & skf18("4","6","2","6","6","4","1") = "5"
    & skf18("4","6","2","6","6","5","1") = "5"
    & skf18("4","6","2","6","6","6","1") = "5"
    & skf18("4","6","2","6","6","7","1") = "6"
    & skf18("4","6","2","6","6","8","1") = "7"
    & skf18("4","6","2","6","6","9","1") = "8"
    & skf18("4","6","2","6","6","10","1") = "9"
    & skf18("4","6","2","6","7","1","1") = "6"
    & skf18("4","6","2","6","7","2","1") = "6"
    & skf18("4","6","2","6","7","3","1") = "6"
    & skf18("4","6","2","6","7","4","1") = "6"
    & skf18("4","6","2","6","7","5","1") = "6"
    & skf18("4","6","2","6","7","6","1") = "6"
    & skf18("4","6","2","6","7","7","1") = "6"
    & skf18("4","6","2","6","7","8","1") = "7"
    & skf18("4","6","2","6","7","9","1") = "8"
    & skf18("4","6","2","6","7","10","1") = "9"
    & skf18("4","6","2","6","8","1","1") = "7"
    & skf18("4","6","2","6","8","2","1") = "7"
    & skf18("4","6","2","6","8","3","1") = "7"
    & skf18("4","6","2","6","8","4","1") = "7"
    & skf18("4","6","2","6","8","5","1") = "7"
    & skf18("4","6","2","6","8","6","1") = "7"
    & skf18("4","6","2","6","8","7","1") = "7"
    & skf18("4","6","2","6","8","8","1") = "7"
    & skf18("4","6","2","6","8","9","1") = "8"
    & skf18("4","6","2","6","8","10","1") = "9"
    & skf18("4","6","2","6","9","1","1") = "8"
    & skf18("4","6","2","6","9","2","1") = "8"
    & skf18("4","6","2","6","9","3","1") = "8"
    & skf18("4","6","2","6","9","4","1") = "8"
    & skf18("4","6","2","6","9","5","1") = "8"
    & skf18("4","6","2","6","9","6","1") = "8"
    & skf18("4","6","2","6","9","7","1") = "8"
    & skf18("4","6","2","6","9","8","1") = "8"
    & skf18("4","6","2","6","9","9","1") = "8"
    & skf18("4","6","2","6","9","10","1") = "9"
    & skf18("4","6","2","6","10","1","1") = "9"
    & skf18("4","6","2","6","10","2","1") = "9"
    & skf18("4","6","2","6","10","3","1") = "9"
    & skf18("4","6","2","6","10","4","1") = "9"
    & skf18("4","6","2","6","10","5","1") = "9"
    & skf18("4","6","2","6","10","6","1") = "9"
    & skf18("4","6","2","6","10","7","1") = "9"
    & skf18("4","6","2","6","10","8","1") = "9"
    & skf18("4","6","2","6","10","9","1") = "9"
    & skf18("4","6","2","6","10","10","1") = "9"
    & skf18("4","6","2","7","1","1","1") = "6"
    & skf18("4","6","2","7","1","2","1") = "6"
    & skf18("4","6","2","7","1","3","1") = "6"
    & skf18("4","6","2","7","1","4","1") = "6"
    & skf18("4","6","2","7","1","5","1") = "6"
    & skf18("4","6","2","7","1","6","1") = "6"
    & skf18("4","6","2","7","1","7","1") = "6"
    & skf18("4","6","2","7","1","8","1") = "7"
    & skf18("4","6","2","7","1","9","1") = "8"
    & skf18("4","6","2","7","1","10","1") = "9"
    & skf18("4","6","2","7","2","1","1") = "6"
    & skf18("4","6","2","7","2","2","1") = "6"
    & skf18("4","6","2","7","2","3","1") = "6"
    & skf18("4","6","2","7","2","4","1") = "6"
    & skf18("4","6","2","7","2","5","1") = "6"
    & skf18("4","6","2","7","2","6","1") = "6"
    & skf18("4","6","2","7","2","7","1") = "6"
    & skf18("4","6","2","7","2","8","1") = "7"
    & skf18("4","6","2","7","2","9","1") = "8"
    & skf18("4","6","2","7","2","10","1") = "9"
    & skf18("4","6","2","7","3","1","1") = "6"
    & skf18("4","6","2","7","3","2","1") = "6"
    & skf18("4","6","2","7","3","3","1") = "6"
    & skf18("4","6","2","7","3","4","1") = "6"
    & skf18("4","6","2","7","3","5","1") = "6"
    & skf18("4","6","2","7","3","6","1") = "6"
    & skf18("4","6","2","7","3","7","1") = "6"
    & skf18("4","6","2","7","3","8","1") = "7"
    & skf18("4","6","2","7","3","9","1") = "8"
    & skf18("4","6","2","7","3","10","1") = "9"
    & skf18("4","6","2","7","4","1","1") = "6"
    & skf18("4","6","2","7","4","2","1") = "6"
    & skf18("4","6","2","7","4","3","1") = "6"
    & skf18("4","6","2","7","4","4","1") = "6"
    & skf18("4","6","2","7","4","5","1") = "6"
    & skf18("4","6","2","7","4","6","1") = "6"
    & skf18("4","6","2","7","4","7","1") = "6"
    & skf18("4","6","2","7","4","8","1") = "7"
    & skf18("4","6","2","7","4","9","1") = "8"
    & skf18("4","6","2","7","4","10","1") = "9"
    & skf18("4","6","2","7","5","1","1") = "6"
    & skf18("4","6","2","7","5","2","1") = "6"
    & skf18("4","6","2","7","5","3","1") = "6"
    & skf18("4","6","2","7","5","4","1") = "6"
    & skf18("4","6","2","7","5","5","1") = "6"
    & skf18("4","6","2","7","5","6","1") = "6"
    & skf18("4","6","2","7","5","7","1") = "6"
    & skf18("4","6","2","7","5","8","1") = "7"
    & skf18("4","6","2","7","5","9","1") = "8"
    & skf18("4","6","2","7","5","10","1") = "9"
    & skf18("4","6","2","7","6","1","1") = "6"
    & skf18("4","6","2","7","6","2","1") = "6"
    & skf18("4","6","2","7","6","3","1") = "6"
    & skf18("4","6","2","7","6","4","1") = "6"
    & skf18("4","6","2","7","6","5","1") = "6"
    & skf18("4","6","2","7","6","6","1") = "6"
    & skf18("4","6","2","7","6","7","1") = "6"
    & skf18("4","6","2","7","6","8","1") = "7"
    & skf18("4","6","2","7","6","9","1") = "8"
    & skf18("4","6","2","7","6","10","1") = "9"
    & skf18("4","6","2","7","7","1","1") = "6"
    & skf18("4","6","2","7","7","2","1") = "6"
    & skf18("4","6","2","7","7","3","1") = "6"
    & skf18("4","6","2","7","7","4","1") = "6"
    & skf18("4","6","2","7","7","5","1") = "6"
    & skf18("4","6","2","7","7","6","1") = "6"
    & skf18("4","6","2","7","7","7","1") = "6"
    & skf18("4","6","2","7","7","8","1") = "7"
    & skf18("4","6","2","7","7","9","1") = "8"
    & skf18("4","6","2","7","7","10","1") = "9"
    & skf18("4","6","2","7","8","1","1") = "7"
    & skf18("4","6","2","7","8","2","1") = "7"
    & skf18("4","6","2","7","8","3","1") = "7"
    & skf18("4","6","2","7","8","4","1") = "7"
    & skf18("4","6","2","7","8","5","1") = "7"
    & skf18("4","6","2","7","8","6","1") = "7"
    & skf18("4","6","2","7","8","7","1") = "7"
    & skf18("4","6","2","7","8","8","1") = "7"
    & skf18("4","6","2","7","8","9","1") = "8"
    & skf18("4","6","2","7","8","10","1") = "9"
    & skf18("4","6","2","7","9","1","1") = "8"
    & skf18("4","6","2","7","9","2","1") = "8"
    & skf18("4","6","2","7","9","3","1") = "8"
    & skf18("4","6","2","7","9","4","1") = "8"
    & skf18("4","6","2","7","9","5","1") = "8"
    & skf18("4","6","2","7","9","6","1") = "8"
    & skf18("4","6","2","7","9","7","1") = "8"
    & skf18("4","6","2","7","9","8","1") = "8"
    & skf18("4","6","2","7","9","9","1") = "8"
    & skf18("4","6","2","7","9","10","1") = "9"
    & skf18("4","6","2","7","10","1","1") = "9"
    & skf18("4","6","2","7","10","2","1") = "9"
    & skf18("4","6","2","7","10","3","1") = "9"
    & skf18("4","6","2","7","10","4","1") = "9"
    & skf18("4","6","2","7","10","5","1") = "9"
    & skf18("4","6","2","7","10","6","1") = "9"
    & skf18("4","6","2","7","10","7","1") = "9"
    & skf18("4","6","2","7","10","8","1") = "9"
    & skf18("4","6","2","7","10","9","1") = "9"
    & skf18("4","6","2","7","10","10","1") = "9"
    & skf18("4","6","2","8","1","1","1") = "7"
    & skf18("4","6","2","8","1","2","1") = "7"
    & skf18("4","6","2","8","1","3","1") = "7"
    & skf18("4","6","2","8","1","4","1") = "7"
    & skf18("4","6","2","8","1","5","1") = "7"
    & skf18("4","6","2","8","1","6","1") = "7"
    & skf18("4","6","2","8","1","7","1") = "7"
    & skf18("4","6","2","8","1","8","1") = "7"
    & skf18("4","6","2","8","1","9","1") = "8"
    & skf18("4","6","2","8","1","10","1") = "9"
    & skf18("4","6","2","8","2","1","1") = "7"
    & skf18("4","6","2","8","2","2","1") = "7"
    & skf18("4","6","2","8","2","3","1") = "7"
    & skf18("4","6","2","8","2","4","1") = "7"
    & skf18("4","6","2","8","2","5","1") = "7"
    & skf18("4","6","2","8","2","6","1") = "7"
    & skf18("4","6","2","8","2","7","1") = "7"
    & skf18("4","6","2","8","2","8","1") = "7"
    & skf18("4","6","2","8","2","9","1") = "8"
    & skf18("4","6","2","8","2","10","1") = "9"
    & skf18("4","6","2","8","3","1","1") = "7"
    & skf18("4","6","2","8","3","2","1") = "7"
    & skf18("4","6","2","8","3","3","1") = "7"
    & skf18("4","6","2","8","3","4","1") = "7"
    & skf18("4","6","2","8","3","5","1") = "7"
    & skf18("4","6","2","8","3","6","1") = "7"
    & skf18("4","6","2","8","3","7","1") = "7"
    & skf18("4","6","2","8","3","8","1") = "7"
    & skf18("4","6","2","8","3","9","1") = "8"
    & skf18("4","6","2","8","3","10","1") = "9"
    & skf18("4","6","2","8","4","1","1") = "7"
    & skf18("4","6","2","8","4","2","1") = "7"
    & skf18("4","6","2","8","4","3","1") = "7"
    & skf18("4","6","2","8","4","4","1") = "7"
    & skf18("4","6","2","8","4","5","1") = "7"
    & skf18("4","6","2","8","4","6","1") = "7"
    & skf18("4","6","2","8","4","7","1") = "7"
    & skf18("4","6","2","8","4","8","1") = "7"
    & skf18("4","6","2","8","4","9","1") = "8"
    & skf18("4","6","2","8","4","10","1") = "9"
    & skf18("4","6","2","8","5","1","1") = "7"
    & skf18("4","6","2","8","5","2","1") = "7"
    & skf18("4","6","2","8","5","3","1") = "7"
    & skf18("4","6","2","8","5","4","1") = "7"
    & skf18("4","6","2","8","5","5","1") = "7"
    & skf18("4","6","2","8","5","6","1") = "7"
    & skf18("4","6","2","8","5","7","1") = "7"
    & skf18("4","6","2","8","5","8","1") = "7"
    & skf18("4","6","2","8","5","9","1") = "8"
    & skf18("4","6","2","8","5","10","1") = "9"
    & skf18("4","6","2","8","6","1","1") = "7"
    & skf18("4","6","2","8","6","2","1") = "7"
    & skf18("4","6","2","8","6","3","1") = "7"
    & skf18("4","6","2","8","6","4","1") = "7"
    & skf18("4","6","2","8","6","5","1") = "7"
    & skf18("4","6","2","8","6","6","1") = "7"
    & skf18("4","6","2","8","6","7","1") = "7"
    & skf18("4","6","2","8","6","8","1") = "7"
    & skf18("4","6","2","8","6","9","1") = "8"
    & skf18("4","6","2","8","6","10","1") = "9"
    & skf18("4","6","2","8","7","1","1") = "7"
    & skf18("4","6","2","8","7","2","1") = "7"
    & skf18("4","6","2","8","7","3","1") = "7"
    & skf18("4","6","2","8","7","4","1") = "7"
    & skf18("4","6","2","8","7","5","1") = "7"
    & skf18("4","6","2","8","7","6","1") = "7"
    & skf18("4","6","2","8","7","7","1") = "7"
    & skf18("4","6","2","8","7","8","1") = "7"
    & skf18("4","6","2","8","7","9","1") = "8"
    & skf18("4","6","2","8","7","10","1") = "9"
    & skf18("4","6","2","8","8","1","1") = "7"
    & skf18("4","6","2","8","8","2","1") = "7"
    & skf18("4","6","2","8","8","3","1") = "7"
    & skf18("4","6","2","8","8","4","1") = "7"
    & skf18("4","6","2","8","8","5","1") = "7"
    & skf18("4","6","2","8","8","6","1") = "7"
    & skf18("4","6","2","8","8","7","1") = "7"
    & skf18("4","6","2","8","8","8","1") = "7"
    & skf18("4","6","2","8","8","9","1") = "8"
    & skf18("4","6","2","8","8","10","1") = "9"
    & skf18("4","6","2","8","9","1","1") = "8"
    & skf18("4","6","2","8","9","2","1") = "8"
    & skf18("4","6","2","8","9","3","1") = "8"
    & skf18("4","6","2","8","9","4","1") = "8"
    & skf18("4","6","2","8","9","5","1") = "8"
    & skf18("4","6","2","8","9","6","1") = "8"
    & skf18("4","6","2","8","9","7","1") = "8"
    & skf18("4","6","2","8","9","8","1") = "8"
    & skf18("4","6","2","8","9","9","1") = "8"
    & skf18("4","6","2","8","9","10","1") = "9"
    & skf18("4","6","2","8","10","1","1") = "9"
    & skf18("4","6","2","8","10","2","1") = "9"
    & skf18("4","6","2","8","10","3","1") = "9"
    & skf18("4","6","2","8","10","4","1") = "9"
    & skf18("4","6","2","8","10","5","1") = "9"
    & skf18("4","6","2","8","10","6","1") = "9"
    & skf18("4","6","2","8","10","7","1") = "9"
    & skf18("4","6","2","8","10","8","1") = "9"
    & skf18("4","6","2","8","10","9","1") = "9"
    & skf18("4","6","2","8","10","10","1") = "9"
    & skf18("4","6","2","9","1","1","1") = "8"
    & skf18("4","6","2","9","1","2","1") = "8"
    & skf18("4","6","2","9","1","3","1") = "8"
    & skf18("4","6","2","9","1","4","1") = "8"
    & skf18("4","6","2","9","1","5","1") = "8"
    & skf18("4","6","2","9","1","6","1") = "8"
    & skf18("4","6","2","9","1","7","1") = "8"
    & skf18("4","6","2","9","1","8","1") = "8"
    & skf18("4","6","2","9","1","9","1") = "8"
    & skf18("4","6","2","9","1","10","1") = "9"
    & skf18("4","6","2","9","2","1","1") = "8"
    & skf18("4","6","2","9","2","2","1") = "8"
    & skf18("4","6","2","9","2","3","1") = "8"
    & skf18("4","6","2","9","2","4","1") = "8"
    & skf18("4","6","2","9","2","5","1") = "8"
    & skf18("4","6","2","9","2","6","1") = "8"
    & skf18("4","6","2","9","2","7","1") = "8"
    & skf18("4","6","2","9","2","8","1") = "8"
    & skf18("4","6","2","9","2","9","1") = "8"
    & skf18("4","6","2","9","2","10","1") = "9"
    & skf18("4","6","2","9","3","1","1") = "8"
    & skf18("4","6","2","9","3","2","1") = "8"
    & skf18("4","6","2","9","3","3","1") = "8"
    & skf18("4","6","2","9","3","4","1") = "8"
    & skf18("4","6","2","9","3","5","1") = "8"
    & skf18("4","6","2","9","3","6","1") = "8"
    & skf18("4","6","2","9","3","7","1") = "8"
    & skf18("4","6","2","9","3","8","1") = "8"
    & skf18("4","6","2","9","3","9","1") = "8"
    & skf18("4","6","2","9","3","10","1") = "9"
    & skf18("4","6","2","9","4","1","1") = "8"
    & skf18("4","6","2","9","4","2","1") = "8"
    & skf18("4","6","2","9","4","3","1") = "8"
    & skf18("4","6","2","9","4","4","1") = "8"
    & skf18("4","6","2","9","4","5","1") = "8"
    & skf18("4","6","2","9","4","6","1") = "8"
    & skf18("4","6","2","9","4","7","1") = "8"
    & skf18("4","6","2","9","4","8","1") = "8"
    & skf18("4","6","2","9","4","9","1") = "8"
    & skf18("4","6","2","9","4","10","1") = "9"
    & skf18("4","6","2","9","5","1","1") = "8"
    & skf18("4","6","2","9","5","2","1") = "8"
    & skf18("4","6","2","9","5","3","1") = "8"
    & skf18("4","6","2","9","5","4","1") = "8"
    & skf18("4","6","2","9","5","5","1") = "8"
    & skf18("4","6","2","9","5","6","1") = "8"
    & skf18("4","6","2","9","5","7","1") = "8"
    & skf18("4","6","2","9","5","8","1") = "8"
    & skf18("4","6","2","9","5","9","1") = "8"
    & skf18("4","6","2","9","5","10","1") = "9"
    & skf18("4","6","2","9","6","1","1") = "8"
    & skf18("4","6","2","9","6","2","1") = "8"
    & skf18("4","6","2","9","6","3","1") = "8"
    & skf18("4","6","2","9","6","4","1") = "8"
    & skf18("4","6","2","9","6","5","1") = "8"
    & skf18("4","6","2","9","6","6","1") = "8"
    & skf18("4","6","2","9","6","7","1") = "8"
    & skf18("4","6","2","9","6","8","1") = "8"
    & skf18("4","6","2","9","6","9","1") = "8"
    & skf18("4","6","2","9","6","10","1") = "9"
    & skf18("4","6","2","9","7","1","1") = "8"
    & skf18("4","6","2","9","7","2","1") = "8"
    & skf18("4","6","2","9","7","3","1") = "8"
    & skf18("4","6","2","9","7","4","1") = "8"
    & skf18("4","6","2","9","7","5","1") = "8"
    & skf18("4","6","2","9","7","6","1") = "8"
    & skf18("4","6","2","9","7","7","1") = "8"
    & skf18("4","6","2","9","7","8","1") = "8"
    & skf18("4","6","2","9","7","9","1") = "8"
    & skf18("4","6","2","9","7","10","1") = "9"
    & skf18("4","6","2","9","8","1","1") = "8"
    & skf18("4","6","2","9","8","2","1") = "8"
    & skf18("4","6","2","9","8","3","1") = "8"
    & skf18("4","6","2","9","8","4","1") = "8"
    & skf18("4","6","2","9","8","5","1") = "8"
    & skf18("4","6","2","9","8","6","1") = "8"
    & skf18("4","6","2","9","8","7","1") = "8"
    & skf18("4","6","2","9","8","8","1") = "8"
    & skf18("4","6","2","9","8","9","1") = "8"
    & skf18("4","6","2","9","8","10","1") = "9"
    & skf18("4","6","2","9","9","1","1") = "8"
    & skf18("4","6","2","9","9","2","1") = "8"
    & skf18("4","6","2","9","9","3","1") = "8"
    & skf18("4","6","2","9","9","4","1") = "8"
    & skf18("4","6","2","9","9","5","1") = "8"
    & skf18("4","6","2","9","9","6","1") = "8"
    & skf18("4","6","2","9","9","7","1") = "8"
    & skf18("4","6","2","9","9","8","1") = "8"
    & skf18("4","6","2","9","9","9","1") = "8"
    & skf18("4","6","2","9","9","10","1") = "9"
    & skf18("4","6","2","9","10","1","1") = "9"
    & skf18("4","6","2","9","10","2","1") = "9"
    & skf18("4","6","2","9","10","3","1") = "9"
    & skf18("4","6","2","9","10","4","1") = "9"
    & skf18("4","6","2","9","10","5","1") = "9"
    & skf18("4","6","2","9","10","6","1") = "9"
    & skf18("4","6","2","9","10","7","1") = "9"
    & skf18("4","6","2","9","10","8","1") = "9"
    & skf18("4","6","2","9","10","9","1") = "9"
    & skf18("4","6","2","9","10","10","1") = "9"
    & skf18("4","6","2","10","1","1","1") = "9"
    & skf18("4","6","2","10","1","2","1") = "9"
    & skf18("4","6","2","10","1","3","1") = "9"
    & skf18("4","6","2","10","1","4","1") = "9"
    & skf18("4","6","2","10","1","5","1") = "9"
    & skf18("4","6","2","10","1","6","1") = "9"
    & skf18("4","6","2","10","1","7","1") = "9"
    & skf18("4","6","2","10","1","8","1") = "9"
    & skf18("4","6","2","10","1","9","1") = "9"
    & skf18("4","6","2","10","1","10","1") = "9"
    & skf18("4","6","2","10","2","1","1") = "9"
    & skf18("4","6","2","10","2","2","1") = "9"
    & skf18("4","6","2","10","2","3","1") = "9"
    & skf18("4","6","2","10","2","4","1") = "9"
    & skf18("4","6","2","10","2","5","1") = "9"
    & skf18("4","6","2","10","2","6","1") = "9"
    & skf18("4","6","2","10","2","7","1") = "9"
    & skf18("4","6","2","10","2","8","1") = "9"
    & skf18("4","6","2","10","2","9","1") = "9"
    & skf18("4","6","2","10","2","10","1") = "9"
    & skf18("4","6","2","10","3","1","1") = "9"
    & skf18("4","6","2","10","3","2","1") = "9"
    & skf18("4","6","2","10","3","3","1") = "9"
    & skf18("4","6","2","10","3","4","1") = "9"
    & skf18("4","6","2","10","3","5","1") = "9"
    & skf18("4","6","2","10","3","6","1") = "9"
    & skf18("4","6","2","10","3","7","1") = "9"
    & skf18("4","6","2","10","3","8","1") = "9"
    & skf18("4","6","2","10","3","9","1") = "9"
    & skf18("4","6","2","10","3","10","1") = "9"
    & skf18("4","6","2","10","4","1","1") = "9"
    & skf18("4","6","2","10","4","2","1") = "9"
    & skf18("4","6","2","10","4","3","1") = "9"
    & skf18("4","6","2","10","4","4","1") = "9"
    & skf18("4","6","2","10","4","5","1") = "9"
    & skf18("4","6","2","10","4","6","1") = "9"
    & skf18("4","6","2","10","4","7","1") = "9"
    & skf18("4","6","2","10","4","8","1") = "9"
    & skf18("4","6","2","10","4","9","1") = "9"
    & skf18("4","6","2","10","4","10","1") = "9"
    & skf18("4","6","2","10","5","1","1") = "9"
    & skf18("4","6","2","10","5","2","1") = "9"
    & skf18("4","6","2","10","5","3","1") = "9"
    & skf18("4","6","2","10","5","4","1") = "9"
    & skf18("4","6","2","10","5","5","1") = "9"
    & skf18("4","6","2","10","5","6","1") = "9"
    & skf18("4","6","2","10","5","7","1") = "9"
    & skf18("4","6","2","10","5","8","1") = "9"
    & skf18("4","6","2","10","5","9","1") = "9"
    & skf18("4","6","2","10","5","10","1") = "9"
    & skf18("4","6","2","10","6","1","1") = "9"
    & skf18("4","6","2","10","6","2","1") = "9"
    & skf18("4","6","2","10","6","3","1") = "9"
    & skf18("4","6","2","10","6","4","1") = "9"
    & skf18("4","6","2","10","6","5","1") = "9"
    & skf18("4","6","2","10","6","6","1") = "9"
    & skf18("4","6","2","10","6","7","1") = "9"
    & skf18("4","6","2","10","6","8","1") = "9"
    & skf18("4","6","2","10","6","9","1") = "9"
    & skf18("4","6","2","10","6","10","1") = "9"
    & skf18("4","6","2","10","7","1","1") = "9"
    & skf18("4","6","2","10","7","2","1") = "9"
    & skf18("4","6","2","10","7","3","1") = "9"
    & skf18("4","6","2","10","7","4","1") = "9"
    & skf18("4","6","2","10","7","5","1") = "9"
    & skf18("4","6","2","10","7","6","1") = "9"
    & skf18("4","6","2","10","7","7","1") = "9"
    & skf18("4","6","2","10","7","8","1") = "9"
    & skf18("4","6","2","10","7","9","1") = "9"
    & skf18("4","6","2","10","7","10","1") = "9"
    & skf18("4","6","2","10","8","1","1") = "9"
    & skf18("4","6","2","10","8","2","1") = "9"
    & skf18("4","6","2","10","8","3","1") = "9"
    & skf18("4","6","2","10","8","4","1") = "9"
    & skf18("4","6","2","10","8","5","1") = "9"
    & skf18("4","6","2","10","8","6","1") = "9"
    & skf18("4","6","2","10","8","7","1") = "9"
    & skf18("4","6","2","10","8","8","1") = "9"
    & skf18("4","6","2","10","8","9","1") = "9"
    & skf18("4","6","2","10","8","10","1") = "9"
    & skf18("4","6","2","10","9","1","1") = "9"
    & skf18("4","6","2","10","9","2","1") = "9"
    & skf18("4","6","2","10","9","3","1") = "9"
    & skf18("4","6","2","10","9","4","1") = "9"
    & skf18("4","6","2","10","9","5","1") = "9"
    & skf18("4","6","2","10","9","6","1") = "9"
    & skf18("4","6","2","10","9","7","1") = "9"
    & skf18("4","6","2","10","9","8","1") = "9"
    & skf18("4","6","2","10","9","9","1") = "9"
    & skf18("4","6","2","10","9","10","1") = "9"
    & skf18("4","6","2","10","10","1","1") = "9"
    & skf18("4","6","2","10","10","2","1") = "9"
    & skf18("4","6","2","10","10","3","1") = "9"
    & skf18("4","6","2","10","10","4","1") = "9"
    & skf18("4","6","2","10","10","5","1") = "9"
    & skf18("4","6","2","10","10","6","1") = "9"
    & skf18("4","6","2","10","10","7","1") = "9"
    & skf18("4","6","2","10","10","8","1") = "9"
    & skf18("4","6","2","10","10","9","1") = "9"
    & skf18("4","6","2","10","10","10","1") = "9"
    & skf18("4","6","3","1","1","1","1") = "5"
    & skf18("4","6","3","1","1","2","1") = "5"
    & skf18("4","6","3","1","1","3","1") = "5"
    & skf18("4","6","3","1","1","4","1") = "5"
    & skf18("4","6","3","1","1","5","1") = "5"
    & skf18("4","6","3","1","1","6","1") = "5"
    & skf18("4","6","3","1","1","7","1") = "6"
    & skf18("4","6","3","1","1","8","1") = "7"
    & skf18("4","6","3","1","1","9","1") = "8"
    & skf18("4","6","3","1","1","10","1") = "9"
    & skf18("4","6","3","1","2","1","1") = "5"
    & skf18("4","6","3","1","2","2","1") = "5"
    & skf18("4","6","3","1","2","3","1") = "5"
    & skf18("4","6","3","1","2","4","1") = "5"
    & skf18("4","6","3","1","2","5","1") = "5"
    & skf18("4","6","3","1","2","6","1") = "5"
    & skf18("4","6","3","1","2","7","1") = "6"
    & skf18("4","6","3","1","2","8","1") = "7"
    & skf18("4","6","3","1","2","9","1") = "8"
    & skf18("4","6","3","1","2","10","1") = "9"
    & skf18("4","6","3","1","3","1","1") = "5"
    & skf18("4","6","3","1","3","2","1") = "5"
    & skf18("4","6","3","1","3","3","1") = "5"
    & skf18("4","6","3","1","3","4","1") = "5"
    & skf18("4","6","3","1","3","5","1") = "5"
    & skf18("4","6","3","1","3","6","1") = "5"
    & skf18("4","6","3","1","3","7","1") = "6"
    & skf18("4","6","3","1","3","8","1") = "7"
    & skf18("4","6","3","1","3","9","1") = "8"
    & skf18("4","6","3","1","3","10","1") = "9"
    & skf18("4","6","3","1","4","1","1") = "5"
    & skf18("4","6","3","1","4","2","1") = "5"
    & skf18("4","6","3","1","4","3","1") = "5"
    & skf18("4","6","3","1","4","4","1") = "5"
    & skf18("4","6","3","1","4","5","1") = "5"
    & skf18("4","6","3","1","4","6","1") = "5"
    & skf18("4","6","3","1","4","7","1") = "6"
    & skf18("4","6","3","1","4","8","1") = "7"
    & skf18("4","6","3","1","4","9","1") = "8"
    & skf18("4","6","3","1","4","10","1") = "9"
    & skf18("4","6","3","1","5","1","1") = "5"
    & skf18("4","6","3","1","5","2","1") = "5"
    & skf18("4","6","3","1","5","3","1") = "5"
    & skf18("4","6","3","1","5","4","1") = "5"
    & skf18("4","6","3","1","5","5","1") = "5"
    & skf18("4","6","3","1","5","6","1") = "5"
    & skf18("4","6","3","1","5","7","1") = "6"
    & skf18("4","6","3","1","5","8","1") = "7"
    & skf18("4","6","3","1","5","9","1") = "8"
    & skf18("4","6","3","1","5","10","1") = "9"
    & skf18("4","6","3","1","6","1","1") = "5"
    & skf18("4","6","3","1","6","2","1") = "5"
    & skf18("4","6","3","1","6","3","1") = "5"
    & skf18("4","6","3","1","6","4","1") = "5"
    & skf18("4","6","3","1","6","5","1") = "5"
    & skf18("4","6","3","1","6","6","1") = "5"
    & skf18("4","6","3","1","6","7","1") = "6"
    & skf18("4","6","3","1","6","8","1") = "7"
    & skf18("4","6","3","1","6","9","1") = "8"
    & skf18("4","6","3","1","6","10","1") = "9"
    & skf18("4","6","3","1","7","1","1") = "6"
    & skf18("4","6","3","1","7","2","1") = "6"
    & skf18("4","6","3","1","7","3","1") = "6"
    & skf18("4","6","3","1","7","4","1") = "6"
    & skf18("4","6","3","1","7","5","1") = "6"
    & skf18("4","6","3","1","7","6","1") = "6"
    & skf18("4","6","3","1","7","7","1") = "6"
    & skf18("4","6","3","1","7","8","1") = "7"
    & skf18("4","6","3","1","7","9","1") = "8"
    & skf18("4","6","3","1","7","10","1") = "9"
    & skf18("4","6","3","1","8","1","1") = "7"
    & skf18("4","6","3","1","8","2","1") = "7"
    & skf18("4","6","3","1","8","3","1") = "7"
    & skf18("4","6","3","1","8","4","1") = "7"
    & skf18("4","6","3","1","8","5","1") = "7"
    & skf18("4","6","3","1","8","6","1") = "7"
    & skf18("4","6","3","1","8","7","1") = "7"
    & skf18("4","6","3","1","8","8","1") = "7"
    & skf18("4","6","3","1","8","9","1") = "8"
    & skf18("4","6","3","1","8","10","1") = "9"
    & skf18("4","6","3","1","9","1","1") = "8"
    & skf18("4","6","3","1","9","2","1") = "8"
    & skf18("4","6","3","1","9","3","1") = "8"
    & skf18("4","6","3","1","9","4","1") = "8"
    & skf18("4","6","3","1","9","5","1") = "8"
    & skf18("4","6","3","1","9","6","1") = "8"
    & skf18("4","6","3","1","9","7","1") = "8"
    & skf18("4","6","3","1","9","8","1") = "8"
    & skf18("4","6","3","1","9","9","1") = "8"
    & skf18("4","6","3","1","9","10","1") = "9"
    & skf18("4","6","3","1","10","1","1") = "9"
    & skf18("4","6","3","1","10","2","1") = "9"
    & skf18("4","6","3","1","10","3","1") = "9"
    & skf18("4","6","3","1","10","4","1") = "9"
    & skf18("4","6","3","1","10","5","1") = "9"
    & skf18("4","6","3","1","10","6","1") = "9"
    & skf18("4","6","3","1","10","7","1") = "9"
    & skf18("4","6","3","1","10","8","1") = "9"
    & skf18("4","6","3","1","10","9","1") = "9"
    & skf18("4","6","3","1","10","10","1") = "9"
    & skf18("4","6","3","2","1","1","1") = "5"
    & skf18("4","6","3","2","1","2","1") = "5"
    & skf18("4","6","3","2","1","3","1") = "5"
    & skf18("4","6","3","2","1","4","1") = "5"
    & skf18("4","6","3","2","1","5","1") = "5"
    & skf18("4","6","3","2","1","6","1") = "5"
    & skf18("4","6","3","2","1","7","1") = "6"
    & skf18("4","6","3","2","1","8","1") = "7"
    & skf18("4","6","3","2","1","9","1") = "8"
    & skf18("4","6","3","2","1","10","1") = "9"
    & skf18("4","6","3","2","2","1","1") = "5"
    & skf18("4","6","3","2","2","2","1") = "5"
    & skf18("4","6","3","2","2","3","1") = "5"
    & skf18("4","6","3","2","2","4","1") = "5"
    & skf18("4","6","3","2","2","5","1") = "5"
    & skf18("4","6","3","2","2","6","1") = "5"
    & skf18("4","6","3","2","2","7","1") = "6"
    & skf18("4","6","3","2","2","8","1") = "7"
    & skf18("4","6","3","2","2","9","1") = "8"
    & skf18("4","6","3","2","2","10","1") = "9"
    & skf18("4","6","3","2","3","1","1") = "5"
    & skf18("4","6","3","2","3","2","1") = "5"
    & skf18("4","6","3","2","3","3","1") = "5"
    & skf18("4","6","3","2","3","4","1") = "5"
    & skf18("4","6","3","2","3","5","1") = "5"
    & skf18("4","6","3","2","3","6","1") = "5"
    & skf18("4","6","3","2","3","7","1") = "6"
    & skf18("4","6","3","2","3","8","1") = "7"
    & skf18("4","6","3","2","3","9","1") = "8"
    & skf18("4","6","3","2","3","10","1") = "9"
    & skf18("4","6","3","2","4","1","1") = "5"
    & skf18("4","6","3","2","4","2","1") = "5"
    & skf18("4","6","3","2","4","3","1") = "5"
    & skf18("4","6","3","2","4","4","1") = "5"
    & skf18("4","6","3","2","4","5","1") = "5"
    & skf18("4","6","3","2","4","6","1") = "5"
    & skf18("4","6","3","2","4","7","1") = "6"
    & skf18("4","6","3","2","4","8","1") = "7"
    & skf18("4","6","3","2","4","9","1") = "8"
    & skf18("4","6","3","2","4","10","1") = "9"
    & skf18("4","6","3","2","5","1","1") = "5"
    & skf18("4","6","3","2","5","2","1") = "5"
    & skf18("4","6","3","2","5","3","1") = "5"
    & skf18("4","6","3","2","5","4","1") = "5"
    & skf18("4","6","3","2","5","5","1") = "5"
    & skf18("4","6","3","2","5","6","1") = "5"
    & skf18("4","6","3","2","5","7","1") = "6"
    & skf18("4","6","3","2","5","8","1") = "7"
    & skf18("4","6","3","2","5","9","1") = "8"
    & skf18("4","6","3","2","5","10","1") = "9"
    & skf18("4","6","3","2","6","1","1") = "5"
    & skf18("4","6","3","2","6","2","1") = "5"
    & skf18("4","6","3","2","6","3","1") = "5"
    & skf18("4","6","3","2","6","4","1") = "5"
    & skf18("4","6","3","2","6","5","1") = "5"
    & skf18("4","6","3","2","6","6","1") = "5"
    & skf18("4","6","3","2","6","7","1") = "6"
    & skf18("4","6","3","2","6","8","1") = "7"
    & skf18("4","6","3","2","6","9","1") = "8"
    & skf18("4","6","3","2","6","10","1") = "9"
    & skf18("4","6","3","2","7","1","1") = "6"
    & skf18("4","6","3","2","7","2","1") = "6"
    & skf18("4","6","3","2","7","3","1") = "6"
    & skf18("4","6","3","2","7","4","1") = "6"
    & skf18("4","6","3","2","7","5","1") = "6"
    & skf18("4","6","3","2","7","6","1") = "6"
    & skf18("4","6","3","2","7","7","1") = "6"
    & skf18("4","6","3","2","7","8","1") = "7"
    & skf18("4","6","3","2","7","9","1") = "8"
    & skf18("4","6","3","2","7","10","1") = "9"
    & skf18("4","6","3","2","8","1","1") = "7"
    & skf18("4","6","3","2","8","2","1") = "7"
    & skf18("4","6","3","2","8","3","1") = "7"
    & skf18("4","6","3","2","8","4","1") = "7"
    & skf18("4","6","3","2","8","5","1") = "7"
    & skf18("4","6","3","2","8","6","1") = "7"
    & skf18("4","6","3","2","8","7","1") = "7"
    & skf18("4","6","3","2","8","8","1") = "7"
    & skf18("4","6","3","2","8","9","1") = "8"
    & skf18("4","6","3","2","8","10","1") = "9"
    & skf18("4","6","3","2","9","1","1") = "8"
    & skf18("4","6","3","2","9","2","1") = "8"
    & skf18("4","6","3","2","9","3","1") = "8"
    & skf18("4","6","3","2","9","4","1") = "8"
    & skf18("4","6","3","2","9","5","1") = "8"
    & skf18("4","6","3","2","9","6","1") = "8"
    & skf18("4","6","3","2","9","7","1") = "8"
    & skf18("4","6","3","2","9","8","1") = "8"
    & skf18("4","6","3","2","9","9","1") = "8"
    & skf18("4","6","3","2","9","10","1") = "9"
    & skf18("4","6","3","2","10","1","1") = "9"
    & skf18("4","6","3","2","10","2","1") = "9"
    & skf18("4","6","3","2","10","3","1") = "9"
    & skf18("4","6","3","2","10","4","1") = "9"
    & skf18("4","6","3","2","10","5","1") = "9"
    & skf18("4","6","3","2","10","6","1") = "9"
    & skf18("4","6","3","2","10","7","1") = "9"
    & skf18("4","6","3","2","10","8","1") = "9"
    & skf18("4","6","3","2","10","9","1") = "9"
    & skf18("4","6","3","2","10","10","1") = "9"
    & skf18("4","6","3","3","1","1","1") = "5"
    & skf18("4","6","3","3","1","2","1") = "5"
    & skf18("4","6","3","3","1","3","1") = "5"
    & skf18("4","6","3","3","1","4","1") = "5"
    & skf18("4","6","3","3","1","5","1") = "5"
    & skf18("4","6","3","3","1","6","1") = "5"
    & skf18("4","6","3","3","1","7","1") = "6"
    & skf18("4","6","3","3","1","8","1") = "7"
    & skf18("4","6","3","3","1","9","1") = "8"
    & skf18("4","6","3","3","1","10","1") = "9"
    & skf18("4","6","3","3","2","1","1") = "5"
    & skf18("4","6","3","3","2","2","1") = "5"
    & skf18("4","6","3","3","2","3","1") = "5"
    & skf18("4","6","3","3","2","4","1") = "5"
    & skf18("4","6","3","3","2","5","1") = "5"
    & skf18("4","6","3","3","2","6","1") = "5"
    & skf18("4","6","3","3","2","7","1") = "6"
    & skf18("4","6","3","3","2","8","1") = "7"
    & skf18("4","6","3","3","2","9","1") = "8"
    & skf18("4","6","3","3","2","10","1") = "9"
    & skf18("4","6","3","3","3","1","1") = "5"
    & skf18("4","6","3","3","3","2","1") = "5"
    & skf18("4","6","3","3","3","3","1") = "5"
    & skf18("4","6","3","3","3","4","1") = "5"
    & skf18("4","6","3","3","3","5","1") = "5"
    & skf18("4","6","3","3","3","6","1") = "5"
    & skf18("4","6","3","3","3","7","1") = "6"
    & skf18("4","6","3","3","3","8","1") = "7"
    & skf18("4","6","3","3","3","9","1") = "8"
    & skf18("4","6","3","3","3","10","1") = "9"
    & skf18("4","6","3","3","4","1","1") = "5"
    & skf18("4","6","3","3","4","2","1") = "5"
    & skf18("4","6","3","3","4","3","1") = "5"
    & skf18("4","6","3","3","4","4","1") = "5"
    & skf18("4","6","3","3","4","5","1") = "5"
    & skf18("4","6","3","3","4","6","1") = "5"
    & skf18("4","6","3","3","4","7","1") = "6"
    & skf18("4","6","3","3","4","8","1") = "7"
    & skf18("4","6","3","3","4","9","1") = "8"
    & skf18("4","6","3","3","4","10","1") = "9"
    & skf18("4","6","3","3","5","1","1") = "5"
    & skf18("4","6","3","3","5","2","1") = "5"
    & skf18("4","6","3","3","5","3","1") = "5"
    & skf18("4","6","3","3","5","4","1") = "5"
    & skf18("4","6","3","3","5","5","1") = "5"
    & skf18("4","6","3","3","5","6","1") = "5"
    & skf18("4","6","3","3","5","7","1") = "6"
    & skf18("4","6","3","3","5","8","1") = "7"
    & skf18("4","6","3","3","5","9","1") = "8"
    & skf18("4","6","3","3","5","10","1") = "9"
    & skf18("4","6","3","3","6","1","1") = "5"
    & skf18("4","6","3","3","6","2","1") = "5"
    & skf18("4","6","3","3","6","3","1") = "5"
    & skf18("4","6","3","3","6","4","1") = "5"
    & skf18("4","6","3","3","6","5","1") = "5"
    & skf18("4","6","3","3","6","6","1") = "5"
    & skf18("4","6","3","3","6","7","1") = "6"
    & skf18("4","6","3","3","6","8","1") = "7"
    & skf18("4","6","3","3","6","9","1") = "8"
    & skf18("4","6","3","3","6","10","1") = "9"
    & skf18("4","6","3","3","7","1","1") = "6"
    & skf18("4","6","3","3","7","2","1") = "6"
    & skf18("4","6","3","3","7","3","1") = "6"
    & skf18("4","6","3","3","7","4","1") = "6"
    & skf18("4","6","3","3","7","5","1") = "6"
    & skf18("4","6","3","3","7","6","1") = "6"
    & skf18("4","6","3","3","7","7","1") = "6"
    & skf18("4","6","3","3","7","8","1") = "7"
    & skf18("4","6","3","3","7","9","1") = "8"
    & skf18("4","6","3","3","7","10","1") = "9"
    & skf18("4","6","3","3","8","1","1") = "7"
    & skf18("4","6","3","3","8","2","1") = "7"
    & skf18("4","6","3","3","8","3","1") = "7"
    & skf18("4","6","3","3","8","4","1") = "7"
    & skf18("4","6","3","3","8","5","1") = "7"
    & skf18("4","6","3","3","8","6","1") = "7"
    & skf18("4","6","3","3","8","7","1") = "7"
    & skf18("4","6","3","3","8","8","1") = "7"
    & skf18("4","6","3","3","8","9","1") = "8"
    & skf18("4","6","3","3","8","10","1") = "9"
    & skf18("4","6","3","3","9","1","1") = "8"
    & skf18("4","6","3","3","9","2","1") = "8"
    & skf18("4","6","3","3","9","3","1") = "8"
    & skf18("4","6","3","3","9","4","1") = "8"
    & skf18("4","6","3","3","9","5","1") = "8"
    & skf18("4","6","3","3","9","6","1") = "8"
    & skf18("4","6","3","3","9","7","1") = "8"
    & skf18("4","6","3","3","9","8","1") = "8"
    & skf18("4","6","3","3","9","9","1") = "8"
    & skf18("4","6","3","3","9","10","1") = "9"
    & skf18("4","6","3","3","10","1","1") = "9"
    & skf18("4","6","3","3","10","2","1") = "9"
    & skf18("4","6","3","3","10","3","1") = "9"
    & skf18("4","6","3","3","10","4","1") = "9"
    & skf18("4","6","3","3","10","5","1") = "9"
    & skf18("4","6","3","3","10","6","1") = "9"
    & skf18("4","6","3","3","10","7","1") = "9"
    & skf18("4","6","3","3","10","8","1") = "9"
    & skf18("4","6","3","3","10","9","1") = "9"
    & skf18("4","6","3","3","10","10","1") = "9"
    & skf18("4","6","3","4","1","1","1") = "5"
    & skf18("4","6","3","4","1","2","1") = "5"
    & skf18("4","6","3","4","1","3","1") = "5"
    & skf18("4","6","3","4","1","4","1") = "5"
    & skf18("4","6","3","4","1","5","1") = "5"
    & skf18("4","6","3","4","1","6","1") = "5"
    & skf18("4","6","3","4","1","7","1") = "6"
    & skf18("4","6","3","4","1","8","1") = "7"
    & skf18("4","6","3","4","1","9","1") = "8"
    & skf18("4","6","3","4","1","10","1") = "9"
    & skf18("4","6","3","4","2","1","1") = "5"
    & skf18("4","6","3","4","2","2","1") = "5"
    & skf18("4","6","3","4","2","3","1") = "5"
    & skf18("4","6","3","4","2","4","1") = "5"
    & skf18("4","6","3","4","2","5","1") = "5"
    & skf18("4","6","3","4","2","6","1") = "5"
    & skf18("4","6","3","4","2","7","1") = "6"
    & skf18("4","6","3","4","2","8","1") = "7"
    & skf18("4","6","3","4","2","9","1") = "8"
    & skf18("4","6","3","4","2","10","1") = "9"
    & skf18("4","6","3","4","3","1","1") = "5"
    & skf18("4","6","3","4","3","2","1") = "5"
    & skf18("4","6","3","4","3","3","1") = "5"
    & skf18("4","6","3","4","3","4","1") = "5"
    & skf18("4","6","3","4","3","5","1") = "5"
    & skf18("4","6","3","4","3","6","1") = "5"
    & skf18("4","6","3","4","3","7","1") = "6"
    & skf18("4","6","3","4","3","8","1") = "7"
    & skf18("4","6","3","4","3","9","1") = "8"
    & skf18("4","6","3","4","3","10","1") = "9"
    & skf18("4","6","3","4","4","1","1") = "5"
    & skf18("4","6","3","4","4","2","1") = "5"
    & skf18("4","6","3","4","4","3","1") = "5"
    & skf18("4","6","3","4","4","4","1") = "5"
    & skf18("4","6","3","4","4","5","1") = "5"
    & skf18("4","6","3","4","4","6","1") = "5"
    & skf18("4","6","3","4","4","7","1") = "6"
    & skf18("4","6","3","4","4","8","1") = "7"
    & skf18("4","6","3","4","4","9","1") = "8"
    & skf18("4","6","3","4","4","10","1") = "9"
    & skf18("4","6","3","4","5","1","1") = "5"
    & skf18("4","6","3","4","5","2","1") = "5"
    & skf18("4","6","3","4","5","3","1") = "5"
    & skf18("4","6","3","4","5","4","1") = "5"
    & skf18("4","6","3","4","5","5","1") = "5"
    & skf18("4","6","3","4","5","6","1") = "5"
    & skf18("4","6","3","4","5","7","1") = "6"
    & skf18("4","6","3","4","5","8","1") = "7"
    & skf18("4","6","3","4","5","9","1") = "8"
    & skf18("4","6","3","4","5","10","1") = "9"
    & skf18("4","6","3","4","6","1","1") = "5"
    & skf18("4","6","3","4","6","2","1") = "5"
    & skf18("4","6","3","4","6","3","1") = "5"
    & skf18("4","6","3","4","6","4","1") = "5"
    & skf18("4","6","3","4","6","5","1") = "5"
    & skf18("4","6","3","4","6","6","1") = "5"
    & skf18("4","6","3","4","6","7","1") = "6"
    & skf18("4","6","3","4","6","8","1") = "7"
    & skf18("4","6","3","4","6","9","1") = "8"
    & skf18("4","6","3","4","6","10","1") = "9"
    & skf18("4","6","3","4","7","1","1") = "6"
    & skf18("4","6","3","4","7","2","1") = "6"
    & skf18("4","6","3","4","7","3","1") = "6"
    & skf18("4","6","3","4","7","4","1") = "6"
    & skf18("4","6","3","4","7","5","1") = "6"
    & skf18("4","6","3","4","7","6","1") = "6"
    & skf18("4","6","3","4","7","7","1") = "6"
    & skf18("4","6","3","4","7","8","1") = "7"
    & skf18("4","6","3","4","7","9","1") = "8"
    & skf18("4","6","3","4","7","10","1") = "9"
    & skf18("4","6","3","4","8","1","1") = "7"
    & skf18("4","6","3","4","8","2","1") = "7"
    & skf18("4","6","3","4","8","3","1") = "7"
    & skf18("4","6","3","4","8","4","1") = "7"
    & skf18("4","6","3","4","8","5","1") = "7"
    & skf18("4","6","3","4","8","6","1") = "7"
    & skf18("4","6","3","4","8","7","1") = "7"
    & skf18("4","6","3","4","8","8","1") = "7"
    & skf18("4","6","3","4","8","9","1") = "8"
    & skf18("4","6","3","4","8","10","1") = "9"
    & skf18("4","6","3","4","9","1","1") = "8"
    & skf18("4","6","3","4","9","2","1") = "8"
    & skf18("4","6","3","4","9","3","1") = "8"
    & skf18("4","6","3","4","9","4","1") = "8"
    & skf18("4","6","3","4","9","5","1") = "8"
    & skf18("4","6","3","4","9","6","1") = "8"
    & skf18("4","6","3","4","9","7","1") = "8"
    & skf18("4","6","3","4","9","8","1") = "8"
    & skf18("4","6","3","4","9","9","1") = "8"
    & skf18("4","6","3","4","9","10","1") = "9"
    & skf18("4","6","3","4","10","1","1") = "9"
    & skf18("4","6","3","4","10","2","1") = "9"
    & skf18("4","6","3","4","10","3","1") = "9"
    & skf18("4","6","3","4","10","4","1") = "9"
    & skf18("4","6","3","4","10","5","1") = "9"
    & skf18("4","6","3","4","10","6","1") = "9"
    & skf18("4","6","3","4","10","7","1") = "9"
    & skf18("4","6","3","4","10","8","1") = "9"
    & skf18("4","6","3","4","10","9","1") = "9"
    & skf18("4","6","3","4","10","10","1") = "9"
    & skf18("4","6","3","5","1","1","1") = "5"
    & skf18("4","6","3","5","1","2","1") = "5"
    & skf18("4","6","3","5","1","3","1") = "5"
    & skf18("4","6","3","5","1","4","1") = "5"
    & skf18("4","6","3","5","1","5","1") = "5"
    & skf18("4","6","3","5","1","6","1") = "5"
    & skf18("4","6","3","5","1","7","1") = "6"
    & skf18("4","6","3","5","1","8","1") = "7"
    & skf18("4","6","3","5","1","9","1") = "8"
    & skf18("4","6","3","5","1","10","1") = "9"
    & skf18("4","6","3","5","2","1","1") = "5"
    & skf18("4","6","3","5","2","2","1") = "5"
    & skf18("4","6","3","5","2","3","1") = "5"
    & skf18("4","6","3","5","2","4","1") = "5"
    & skf18("4","6","3","5","2","5","1") = "5"
    & skf18("4","6","3","5","2","6","1") = "5"
    & skf18("4","6","3","5","2","7","1") = "6"
    & skf18("4","6","3","5","2","8","1") = "7"
    & skf18("4","6","3","5","2","9","1") = "8"
    & skf18("4","6","3","5","2","10","1") = "9"
    & skf18("4","6","3","5","3","1","1") = "5"
    & skf18("4","6","3","5","3","2","1") = "5"
    & skf18("4","6","3","5","3","3","1") = "5"
    & skf18("4","6","3","5","3","4","1") = "5"
    & skf18("4","6","3","5","3","5","1") = "5"
    & skf18("4","6","3","5","3","6","1") = "5"
    & skf18("4","6","3","5","3","7","1") = "6"
    & skf18("4","6","3","5","3","8","1") = "7"
    & skf18("4","6","3","5","3","9","1") = "8"
    & skf18("4","6","3","5","3","10","1") = "9"
    & skf18("4","6","3","5","4","1","1") = "5"
    & skf18("4","6","3","5","4","2","1") = "5"
    & skf18("4","6","3","5","4","3","1") = "5"
    & skf18("4","6","3","5","4","4","1") = "5"
    & skf18("4","6","3","5","4","5","1") = "5"
    & skf18("4","6","3","5","4","6","1") = "5"
    & skf18("4","6","3","5","4","7","1") = "6"
    & skf18("4","6","3","5","4","8","1") = "7"
    & skf18("4","6","3","5","4","9","1") = "8"
    & skf18("4","6","3","5","4","10","1") = "9"
    & skf18("4","6","3","5","5","1","1") = "5"
    & skf18("4","6","3","5","5","2","1") = "5"
    & skf18("4","6","3","5","5","3","1") = "5"
    & skf18("4","6","3","5","5","4","1") = "5"
    & skf18("4","6","3","5","5","5","1") = "5"
    & skf18("4","6","3","5","5","6","1") = "5"
    & skf18("4","6","3","5","5","7","1") = "6"
    & skf18("4","6","3","5","5","8","1") = "7"
    & skf18("4","6","3","5","5","9","1") = "8"
    & skf18("4","6","3","5","5","10","1") = "9"
    & skf18("4","6","3","5","6","1","1") = "5"
    & skf18("4","6","3","5","6","2","1") = "5"
    & skf18("4","6","3","5","6","3","1") = "5"
    & skf18("4","6","3","5","6","4","1") = "5"
    & skf18("4","6","3","5","6","5","1") = "5"
    & skf18("4","6","3","5","6","6","1") = "5"
    & skf18("4","6","3","5","6","7","1") = "6"
    & skf18("4","6","3","5","6","8","1") = "7"
    & skf18("4","6","3","5","6","9","1") = "8"
    & skf18("4","6","3","5","6","10","1") = "9"
    & skf18("4","6","3","5","7","1","1") = "6"
    & skf18("4","6","3","5","7","2","1") = "6"
    & skf18("4","6","3","5","7","3","1") = "6"
    & skf18("4","6","3","5","7","4","1") = "6"
    & skf18("4","6","3","5","7","5","1") = "6"
    & skf18("4","6","3","5","7","6","1") = "6"
    & skf18("4","6","3","5","7","7","1") = "6"
    & skf18("4","6","3","5","7","8","1") = "7"
    & skf18("4","6","3","5","7","9","1") = "8"
    & skf18("4","6","3","5","7","10","1") = "9"
    & skf18("4","6","3","5","8","1","1") = "7"
    & skf18("4","6","3","5","8","2","1") = "7"
    & skf18("4","6","3","5","8","3","1") = "7"
    & skf18("4","6","3","5","8","4","1") = "7"
    & skf18("4","6","3","5","8","5","1") = "7"
    & skf18("4","6","3","5","8","6","1") = "7"
    & skf18("4","6","3","5","8","7","1") = "7"
    & skf18("4","6","3","5","8","8","1") = "7"
    & skf18("4","6","3","5","8","9","1") = "8"
    & skf18("4","6","3","5","8","10","1") = "9"
    & skf18("4","6","3","5","9","1","1") = "8"
    & skf18("4","6","3","5","9","2","1") = "8"
    & skf18("4","6","3","5","9","3","1") = "8"
    & skf18("4","6","3","5","9","4","1") = "8"
    & skf18("4","6","3","5","9","5","1") = "8"
    & skf18("4","6","3","5","9","6","1") = "8"
    & skf18("4","6","3","5","9","7","1") = "8"
    & skf18("4","6","3","5","9","8","1") = "8"
    & skf18("4","6","3","5","9","9","1") = "8"
    & skf18("4","6","3","5","9","10","1") = "9"
    & skf18("4","6","3","5","10","1","1") = "9"
    & skf18("4","6","3","5","10","2","1") = "9"
    & skf18("4","6","3","5","10","3","1") = "9"
    & skf18("4","6","3","5","10","4","1") = "9"
    & skf18("4","6","3","5","10","5","1") = "9"
    & skf18("4","6","3","5","10","6","1") = "9"
    & skf18("4","6","3","5","10","7","1") = "9"
    & skf18("4","6","3","5","10","8","1") = "9"
    & skf18("4","6","3","5","10","9","1") = "9"
    & skf18("4","6","3","5","10","10","1") = "9"
    & skf18("4","6","3","6","1","1","1") = "5"
    & skf18("4","6","3","6","1","2","1") = "5"
    & skf18("4","6","3","6","1","3","1") = "5"
    & skf18("4","6","3","6","1","4","1") = "5"
    & skf18("4","6","3","6","1","5","1") = "5"
    & skf18("4","6","3","6","1","6","1") = "5"
    & skf18("4","6","3","6","1","7","1") = "6"
    & skf18("4","6","3","6","1","8","1") = "7"
    & skf18("4","6","3","6","1","9","1") = "8"
    & skf18("4","6","3","6","1","10","1") = "9"
    & skf18("4","6","3","6","2","1","1") = "5"
    & skf18("4","6","3","6","2","2","1") = "5"
    & skf18("4","6","3","6","2","3","1") = "5"
    & skf18("4","6","3","6","2","4","1") = "5"
    & skf18("4","6","3","6","2","5","1") = "5"
    & skf18("4","6","3","6","2","6","1") = "5"
    & skf18("4","6","3","6","2","7","1") = "6"
    & skf18("4","6","3","6","2","8","1") = "7"
    & skf18("4","6","3","6","2","9","1") = "8"
    & skf18("4","6","3","6","2","10","1") = "9"
    & skf18("4","6","3","6","3","1","1") = "5"
    & skf18("4","6","3","6","3","2","1") = "5"
    & skf18("4","6","3","6","3","3","1") = "5"
    & skf18("4","6","3","6","3","4","1") = "5"
    & skf18("4","6","3","6","3","5","1") = "5"
    & skf18("4","6","3","6","3","6","1") = "5"
    & skf18("4","6","3","6","3","7","1") = "6"
    & skf18("4","6","3","6","3","8","1") = "7"
    & skf18("4","6","3","6","3","9","1") = "8"
    & skf18("4","6","3","6","3","10","1") = "9"
    & skf18("4","6","3","6","4","1","1") = "5"
    & skf18("4","6","3","6","4","2","1") = "5"
    & skf18("4","6","3","6","4","3","1") = "5"
    & skf18("4","6","3","6","4","4","1") = "5"
    & skf18("4","6","3","6","4","5","1") = "5"
    & skf18("4","6","3","6","4","6","1") = "5"
    & skf18("4","6","3","6","4","7","1") = "6"
    & skf18("4","6","3","6","4","8","1") = "7"
    & skf18("4","6","3","6","4","9","1") = "8"
    & skf18("4","6","3","6","4","10","1") = "9"
    & skf18("4","6","3","6","5","1","1") = "5"
    & skf18("4","6","3","6","5","2","1") = "5"
    & skf18("4","6","3","6","5","3","1") = "5"
    & skf18("4","6","3","6","5","4","1") = "5"
    & skf18("4","6","3","6","5","5","1") = "5"
    & skf18("4","6","3","6","5","6","1") = "5"
    & skf18("4","6","3","6","5","7","1") = "6"
    & skf18("4","6","3","6","5","8","1") = "7"
    & skf18("4","6","3","6","5","9","1") = "8"
    & skf18("4","6","3","6","5","10","1") = "9"
    & skf18("4","6","3","6","6","1","1") = "5"
    & skf18("4","6","3","6","6","2","1") = "5"
    & skf18("4","6","3","6","6","3","1") = "5"
    & skf18("4","6","3","6","6","4","1") = "5"
    & skf18("4","6","3","6","6","5","1") = "5"
    & skf18("4","6","3","6","6","6","1") = "5"
    & skf18("4","6","3","6","6","7","1") = "6"
    & skf18("4","6","3","6","6","8","1") = "7"
    & skf18("4","6","3","6","6","9","1") = "8"
    & skf18("4","6","3","6","6","10","1") = "9"
    & skf18("4","6","3","6","7","1","1") = "6"
    & skf18("4","6","3","6","7","2","1") = "6"
    & skf18("4","6","3","6","7","3","1") = "6"
    & skf18("4","6","3","6","7","4","1") = "6"
    & skf18("4","6","3","6","7","5","1") = "6"
    & skf18("4","6","3","6","7","6","1") = "6"
    & skf18("4","6","3","6","7","7","1") = "6"
    & skf18("4","6","3","6","7","8","1") = "7"
    & skf18("4","6","3","6","7","9","1") = "8"
    & skf18("4","6","3","6","7","10","1") = "9"
    & skf18("4","6","3","6","8","1","1") = "7"
    & skf18("4","6","3","6","8","2","1") = "7"
    & skf18("4","6","3","6","8","3","1") = "7"
    & skf18("4","6","3","6","8","4","1") = "7"
    & skf18("4","6","3","6","8","5","1") = "7"
    & skf18("4","6","3","6","8","6","1") = "7"
    & skf18("4","6","3","6","8","7","1") = "7"
    & skf18("4","6","3","6","8","8","1") = "7"
    & skf18("4","6","3","6","8","9","1") = "8"
    & skf18("4","6","3","6","8","10","1") = "9"
    & skf18("4","6","3","6","9","1","1") = "8"
    & skf18("4","6","3","6","9","2","1") = "8"
    & skf18("4","6","3","6","9","3","1") = "8"
    & skf18("4","6","3","6","9","4","1") = "8"
    & skf18("4","6","3","6","9","5","1") = "8"
    & skf18("4","6","3","6","9","6","1") = "8"
    & skf18("4","6","3","6","9","7","1") = "8"
    & skf18("4","6","3","6","9","8","1") = "8"
    & skf18("4","6","3","6","9","9","1") = "8"
    & skf18("4","6","3","6","9","10","1") = "9"
    & skf18("4","6","3","6","10","1","1") = "9"
    & skf18("4","6","3","6","10","2","1") = "9"
    & skf18("4","6","3","6","10","3","1") = "9"
    & skf18("4","6","3","6","10","4","1") = "9"
    & skf18("4","6","3","6","10","5","1") = "9"
    & skf18("4","6","3","6","10","6","1") = "9"
    & skf18("4","6","3","6","10","7","1") = "9"
    & skf18("4","6","3","6","10","8","1") = "9"
    & skf18("4","6","3","6","10","9","1") = "9"
    & skf18("4","6","3","6","10","10","1") = "9"
    & skf18("4","6","3","7","1","1","1") = "6"
    & skf18("4","6","3","7","1","2","1") = "6"
    & skf18("4","6","3","7","1","3","1") = "6"
    & skf18("4","6","3","7","1","4","1") = "6"
    & skf18("4","6","3","7","1","5","1") = "6"
    & skf18("4","6","3","7","1","6","1") = "6"
    & skf18("4","6","3","7","1","7","1") = "6"
    & skf18("4","6","3","7","1","8","1") = "7"
    & skf18("4","6","3","7","1","9","1") = "8"
    & skf18("4","6","3","7","1","10","1") = "9"
    & skf18("4","6","3","7","2","1","1") = "6"
    & skf18("4","6","3","7","2","2","1") = "6"
    & skf18("4","6","3","7","2","3","1") = "6"
    & skf18("4","6","3","7","2","4","1") = "6"
    & skf18("4","6","3","7","2","5","1") = "6"
    & skf18("4","6","3","7","2","6","1") = "6"
    & skf18("4","6","3","7","2","7","1") = "6"
    & skf18("4","6","3","7","2","8","1") = "7"
    & skf18("4","6","3","7","2","9","1") = "8"
    & skf18("4","6","3","7","2","10","1") = "9"
    & skf18("4","6","3","7","3","1","1") = "6"
    & skf18("4","6","3","7","3","2","1") = "6"
    & skf18("4","6","3","7","3","3","1") = "6"
    & skf18("4","6","3","7","3","4","1") = "6"
    & skf18("4","6","3","7","3","5","1") = "6"
    & skf18("4","6","3","7","3","6","1") = "6"
    & skf18("4","6","3","7","3","7","1") = "6"
    & skf18("4","6","3","7","3","8","1") = "7"
    & skf18("4","6","3","7","3","9","1") = "8"
    & skf18("4","6","3","7","3","10","1") = "9"
    & skf18("4","6","3","7","4","1","1") = "6"
    & skf18("4","6","3","7","4","2","1") = "6"
    & skf18("4","6","3","7","4","3","1") = "6"
    & skf18("4","6","3","7","4","4","1") = "6"
    & skf18("4","6","3","7","4","5","1") = "6"
    & skf18("4","6","3","7","4","6","1") = "6"
    & skf18("4","6","3","7","4","7","1") = "6"
    & skf18("4","6","3","7","4","8","1") = "7"
    & skf18("4","6","3","7","4","9","1") = "8"
    & skf18("4","6","3","7","4","10","1") = "9"
    & skf18("4","6","3","7","5","1","1") = "6"
    & skf18("4","6","3","7","5","2","1") = "6"
    & skf18("4","6","3","7","5","3","1") = "6"
    & skf18("4","6","3","7","5","4","1") = "6"
    & skf18("4","6","3","7","5","5","1") = "6"
    & skf18("4","6","3","7","5","6","1") = "6"
    & skf18("4","6","3","7","5","7","1") = "6"
    & skf18("4","6","3","7","5","8","1") = "7"
    & skf18("4","6","3","7","5","9","1") = "8"
    & skf18("4","6","3","7","5","10","1") = "9"
    & skf18("4","6","3","7","6","1","1") = "6"
    & skf18("4","6","3","7","6","2","1") = "6"
    & skf18("4","6","3","7","6","3","1") = "6"
    & skf18("4","6","3","7","6","4","1") = "6"
    & skf18("4","6","3","7","6","5","1") = "6"
    & skf18("4","6","3","7","6","6","1") = "6"
    & skf18("4","6","3","7","6","7","1") = "6"
    & skf18("4","6","3","7","6","8","1") = "7"
    & skf18("4","6","3","7","6","9","1") = "8"
    & skf18("4","6","3","7","6","10","1") = "9"
    & skf18("4","6","3","7","7","1","1") = "6"
    & skf18("4","6","3","7","7","2","1") = "6"
    & skf18("4","6","3","7","7","3","1") = "6"
    & skf18("4","6","3","7","7","4","1") = "6"
    & skf18("4","6","3","7","7","5","1") = "6"
    & skf18("4","6","3","7","7","6","1") = "6"
    & skf18("4","6","3","7","7","7","1") = "6"
    & skf18("4","6","3","7","7","8","1") = "7"
    & skf18("4","6","3","7","7","9","1") = "8"
    & skf18("4","6","3","7","7","10","1") = "9"
    & skf18("4","6","3","7","8","1","1") = "7"
    & skf18("4","6","3","7","8","2","1") = "7"
    & skf18("4","6","3","7","8","3","1") = "7"
    & skf18("4","6","3","7","8","4","1") = "7"
    & skf18("4","6","3","7","8","5","1") = "7"
    & skf18("4","6","3","7","8","6","1") = "7"
    & skf18("4","6","3","7","8","7","1") = "7"
    & skf18("4","6","3","7","8","8","1") = "7"
    & skf18("4","6","3","7","8","9","1") = "8"
    & skf18("4","6","3","7","8","10","1") = "9"
    & skf18("4","6","3","7","9","1","1") = "8"
    & skf18("4","6","3","7","9","2","1") = "8"
    & skf18("4","6","3","7","9","3","1") = "8"
    & skf18("4","6","3","7","9","4","1") = "8"
    & skf18("4","6","3","7","9","5","1") = "8"
    & skf18("4","6","3","7","9","6","1") = "8"
    & skf18("4","6","3","7","9","7","1") = "8"
    & skf18("4","6","3","7","9","8","1") = "8"
    & skf18("4","6","3","7","9","9","1") = "8"
    & skf18("4","6","3","7","9","10","1") = "9"
    & skf18("4","6","3","7","10","1","1") = "9"
    & skf18("4","6","3","7","10","2","1") = "9"
    & skf18("4","6","3","7","10","3","1") = "9"
    & skf18("4","6","3","7","10","4","1") = "9"
    & skf18("4","6","3","7","10","5","1") = "9"
    & skf18("4","6","3","7","10","6","1") = "9"
    & skf18("4","6","3","7","10","7","1") = "9"
    & skf18("4","6","3","7","10","8","1") = "9"
    & skf18("4","6","3","7","10","9","1") = "9"
    & skf18("4","6","3","7","10","10","1") = "9"
    & skf18("4","6","3","8","1","1","1") = "7"
    & skf18("4","6","3","8","1","2","1") = "7"
    & skf18("4","6","3","8","1","3","1") = "7"
    & skf18("4","6","3","8","1","4","1") = "7"
    & skf18("4","6","3","8","1","5","1") = "7"
    & skf18("4","6","3","8","1","6","1") = "7"
    & skf18("4","6","3","8","1","7","1") = "7"
    & skf18("4","6","3","8","1","8","1") = "7"
    & skf18("4","6","3","8","1","9","1") = "8"
    & skf18("4","6","3","8","1","10","1") = "9"
    & skf18("4","6","3","8","2","1","1") = "7"
    & skf18("4","6","3","8","2","2","1") = "7"
    & skf18("4","6","3","8","2","3","1") = "7"
    & skf18("4","6","3","8","2","4","1") = "7"
    & skf18("4","6","3","8","2","5","1") = "7"
    & skf18("4","6","3","8","2","6","1") = "7"
    & skf18("4","6","3","8","2","7","1") = "7"
    & skf18("4","6","3","8","2","8","1") = "7"
    & skf18("4","6","3","8","2","9","1") = "8"
    & skf18("4","6","3","8","2","10","1") = "9"
    & skf18("4","6","3","8","3","1","1") = "7"
    & skf18("4","6","3","8","3","2","1") = "7"
    & skf18("4","6","3","8","3","3","1") = "7"
    & skf18("4","6","3","8","3","4","1") = "7"
    & skf18("4","6","3","8","3","5","1") = "7"
    & skf18("4","6","3","8","3","6","1") = "7"
    & skf18("4","6","3","8","3","7","1") = "7"
    & skf18("4","6","3","8","3","8","1") = "7"
    & skf18("4","6","3","8","3","9","1") = "8"
    & skf18("4","6","3","8","3","10","1") = "9"
    & skf18("4","6","3","8","4","1","1") = "7"
    & skf18("4","6","3","8","4","2","1") = "7"
    & skf18("4","6","3","8","4","3","1") = "7"
    & skf18("4","6","3","8","4","4","1") = "7"
    & skf18("4","6","3","8","4","5","1") = "7"
    & skf18("4","6","3","8","4","6","1") = "7"
    & skf18("4","6","3","8","4","7","1") = "7"
    & skf18("4","6","3","8","4","8","1") = "7"
    & skf18("4","6","3","8","4","9","1") = "8"
    & skf18("4","6","3","8","4","10","1") = "9"
    & skf18("4","6","3","8","5","1","1") = "7"
    & skf18("4","6","3","8","5","2","1") = "7"
    & skf18("4","6","3","8","5","3","1") = "7"
    & skf18("4","6","3","8","5","4","1") = "7"
    & skf18("4","6","3","8","5","5","1") = "7"
    & skf18("4","6","3","8","5","6","1") = "7"
    & skf18("4","6","3","8","5","7","1") = "7"
    & skf18("4","6","3","8","5","8","1") = "7"
    & skf18("4","6","3","8","5","9","1") = "8"
    & skf18("4","6","3","8","5","10","1") = "9"
    & skf18("4","6","3","8","6","1","1") = "7"
    & skf18("4","6","3","8","6","2","1") = "7"
    & skf18("4","6","3","8","6","3","1") = "7"
    & skf18("4","6","3","8","6","4","1") = "7"
    & skf18("4","6","3","8","6","5","1") = "7"
    & skf18("4","6","3","8","6","6","1") = "7"
    & skf18("4","6","3","8","6","7","1") = "7"
    & skf18("4","6","3","8","6","8","1") = "7"
    & skf18("4","6","3","8","6","9","1") = "8"
    & skf18("4","6","3","8","6","10","1") = "9"
    & skf18("4","6","3","8","7","1","1") = "7"
    & skf18("4","6","3","8","7","2","1") = "7"
    & skf18("4","6","3","8","7","3","1") = "7"
    & skf18("4","6","3","8","7","4","1") = "7"
    & skf18("4","6","3","8","7","5","1") = "7"
    & skf18("4","6","3","8","7","6","1") = "7"
    & skf18("4","6","3","8","7","7","1") = "7"
    & skf18("4","6","3","8","7","8","1") = "7"
    & skf18("4","6","3","8","7","9","1") = "8"
    & skf18("4","6","3","8","7","10","1") = "9"
    & skf18("4","6","3","8","8","1","1") = "7"
    & skf18("4","6","3","8","8","2","1") = "7"
    & skf18("4","6","3","8","8","3","1") = "7"
    & skf18("4","6","3","8","8","4","1") = "7"
    & skf18("4","6","3","8","8","5","1") = "7"
    & skf18("4","6","3","8","8","6","1") = "7"
    & skf18("4","6","3","8","8","7","1") = "7"
    & skf18("4","6","3","8","8","8","1") = "7"
    & skf18("4","6","3","8","8","9","1") = "8"
    & skf18("4","6","3","8","8","10","1") = "9"
    & skf18("4","6","3","8","9","1","1") = "8"
    & skf18("4","6","3","8","9","2","1") = "8"
    & skf18("4","6","3","8","9","3","1") = "8"
    & skf18("4","6","3","8","9","4","1") = "8"
    & skf18("4","6","3","8","9","5","1") = "8"
    & skf18("4","6","3","8","9","6","1") = "8"
    & skf18("4","6","3","8","9","7","1") = "8"
    & skf18("4","6","3","8","9","8","1") = "8"
    & skf18("4","6","3","8","9","9","1") = "8"
    & skf18("4","6","3","8","9","10","1") = "9"
    & skf18("4","6","3","8","10","1","1") = "9"
    & skf18("4","6","3","8","10","2","1") = "9"
    & skf18("4","6","3","8","10","3","1") = "9"
    & skf18("4","6","3","8","10","4","1") = "9"
    & skf18("4","6","3","8","10","5","1") = "9"
    & skf18("4","6","3","8","10","6","1") = "9"
    & skf18("4","6","3","8","10","7","1") = "9"
    & skf18("4","6","3","8","10","8","1") = "9"
    & skf18("4","6","3","8","10","9","1") = "9"
    & skf18("4","6","3","8","10","10","1") = "9"
    & skf18("4","6","3","9","1","1","1") = "8"
    & skf18("4","6","3","9","1","2","1") = "8"
    & skf18("4","6","3","9","1","3","1") = "8"
    & skf18("4","6","3","9","1","4","1") = "8"
    & skf18("4","6","3","9","1","5","1") = "8"
    & skf18("4","6","3","9","1","6","1") = "8"
    & skf18("4","6","3","9","1","7","1") = "8"
    & skf18("4","6","3","9","1","8","1") = "8"
    & skf18("4","6","3","9","1","9","1") = "8"
    & skf18("4","6","3","9","1","10","1") = "9"
    & skf18("4","6","3","9","2","1","1") = "8"
    & skf18("4","6","3","9","2","2","1") = "8"
    & skf18("4","6","3","9","2","3","1") = "8"
    & skf18("4","6","3","9","2","4","1") = "8"
    & skf18("4","6","3","9","2","5","1") = "8"
    & skf18("4","6","3","9","2","6","1") = "8"
    & skf18("4","6","3","9","2","7","1") = "8"
    & skf18("4","6","3","9","2","8","1") = "8"
    & skf18("4","6","3","9","2","9","1") = "8"
    & skf18("4","6","3","9","2","10","1") = "9"
    & skf18("4","6","3","9","3","1","1") = "8"
    & skf18("4","6","3","9","3","2","1") = "8"
    & skf18("4","6","3","9","3","3","1") = "8"
    & skf18("4","6","3","9","3","4","1") = "8"
    & skf18("4","6","3","9","3","5","1") = "8"
    & skf18("4","6","3","9","3","6","1") = "8"
    & skf18("4","6","3","9","3","7","1") = "8"
    & skf18("4","6","3","9","3","8","1") = "8"
    & skf18("4","6","3","9","3","9","1") = "8"
    & skf18("4","6","3","9","3","10","1") = "9"
    & skf18("4","6","3","9","4","1","1") = "8"
    & skf18("4","6","3","9","4","2","1") = "8"
    & skf18("4","6","3","9","4","3","1") = "8"
    & skf18("4","6","3","9","4","4","1") = "8"
    & skf18("4","6","3","9","4","5","1") = "8"
    & skf18("4","6","3","9","4","6","1") = "8"
    & skf18("4","6","3","9","4","7","1") = "8"
    & skf18("4","6","3","9","4","8","1") = "8"
    & skf18("4","6","3","9","4","9","1") = "8"
    & skf18("4","6","3","9","4","10","1") = "9"
    & skf18("4","6","3","9","5","1","1") = "8"
    & skf18("4","6","3","9","5","2","1") = "8"
    & skf18("4","6","3","9","5","3","1") = "8"
    & skf18("4","6","3","9","5","4","1") = "8"
    & skf18("4","6","3","9","5","5","1") = "8"
    & skf18("4","6","3","9","5","6","1") = "8"
    & skf18("4","6","3","9","5","7","1") = "8"
    & skf18("4","6","3","9","5","8","1") = "8"
    & skf18("4","6","3","9","5","9","1") = "8"
    & skf18("4","6","3","9","5","10","1") = "9"
    & skf18("4","6","3","9","6","1","1") = "8"
    & skf18("4","6","3","9","6","2","1") = "8"
    & skf18("4","6","3","9","6","3","1") = "8"
    & skf18("4","6","3","9","6","4","1") = "8"
    & skf18("4","6","3","9","6","5","1") = "8"
    & skf18("4","6","3","9","6","6","1") = "8"
    & skf18("4","6","3","9","6","7","1") = "8"
    & skf18("4","6","3","9","6","8","1") = "8"
    & skf18("4","6","3","9","6","9","1") = "8"
    & skf18("4","6","3","9","6","10","1") = "9"
    & skf18("4","6","3","9","7","1","1") = "8"
    & skf18("4","6","3","9","7","2","1") = "8"
    & skf18("4","6","3","9","7","3","1") = "8"
    & skf18("4","6","3","9","7","4","1") = "8"
    & skf18("4","6","3","9","7","5","1") = "8"
    & skf18("4","6","3","9","7","6","1") = "8"
    & skf18("4","6","3","9","7","7","1") = "8"
    & skf18("4","6","3","9","7","8","1") = "8"
    & skf18("4","6","3","9","7","9","1") = "8"
    & skf18("4","6","3","9","7","10","1") = "9"
    & skf18("4","6","3","9","8","1","1") = "8"
    & skf18("4","6","3","9","8","2","1") = "8"
    & skf18("4","6","3","9","8","3","1") = "8"
    & skf18("4","6","3","9","8","4","1") = "8"
    & skf18("4","6","3","9","8","5","1") = "8"
    & skf18("4","6","3","9","8","6","1") = "8"
    & skf18("4","6","3","9","8","7","1") = "8"
    & skf18("4","6","3","9","8","8","1") = "8"
    & skf18("4","6","3","9","8","9","1") = "8"
    & skf18("4","6","3","9","8","10","1") = "9"
    & skf18("4","6","3","9","9","1","1") = "8"
    & skf18("4","6","3","9","9","2","1") = "8"
    & skf18("4","6","3","9","9","3","1") = "8"
    & skf18("4","6","3","9","9","4","1") = "8"
    & skf18("4","6","3","9","9","5","1") = "8"
    & skf18("4","6","3","9","9","6","1") = "8"
    & skf18("4","6","3","9","9","7","1") = "8"
    & skf18("4","6","3","9","9","8","1") = "8"
    & skf18("4","6","3","9","9","9","1") = "8"
    & skf18("4","6","3","9","9","10","1") = "9"
    & skf18("4","6","3","9","10","1","1") = "9"
    & skf18("4","6","3","9","10","2","1") = "9"
    & skf18("4","6","3","9","10","3","1") = "9"
    & skf18("4","6","3","9","10","4","1") = "9"
    & skf18("4","6","3","9","10","5","1") = "9"
    & skf18("4","6","3","9","10","6","1") = "9"
    & skf18("4","6","3","9","10","7","1") = "9"
    & skf18("4","6","3","9","10","8","1") = "9"
    & skf18("4","6","3","9","10","9","1") = "9"
    & skf18("4","6","3","9","10","10","1") = "9"
    & skf18("4","6","3","10","1","1","1") = "9"
    & skf18("4","6","3","10","1","2","1") = "9"
    & skf18("4","6","3","10","1","3","1") = "9"
    & skf18("4","6","3","10","1","4","1") = "9"
    & skf18("4","6","3","10","1","5","1") = "9"
    & skf18("4","6","3","10","1","6","1") = "9"
    & skf18("4","6","3","10","1","7","1") = "9"
    & skf18("4","6","3","10","1","8","1") = "9"
    & skf18("4","6","3","10","1","9","1") = "9"
    & skf18("4","6","3","10","1","10","1") = "9"
    & skf18("4","6","3","10","2","1","1") = "9"
    & skf18("4","6","3","10","2","2","1") = "9"
    & skf18("4","6","3","10","2","3","1") = "9"
    & skf18("4","6","3","10","2","4","1") = "9"
    & skf18("4","6","3","10","2","5","1") = "9"
    & skf18("4","6","3","10","2","6","1") = "9"
    & skf18("4","6","3","10","2","7","1") = "9"
    & skf18("4","6","3","10","2","8","1") = "9"
    & skf18("4","6","3","10","2","9","1") = "9"
    & skf18("4","6","3","10","2","10","1") = "9"
    & skf18("4","6","3","10","3","1","1") = "9"
    & skf18("4","6","3","10","3","2","1") = "9"
    & skf18("4","6","3","10","3","3","1") = "9"
    & skf18("4","6","3","10","3","4","1") = "9"
    & skf18("4","6","3","10","3","5","1") = "9"
    & skf18("4","6","3","10","3","6","1") = "9"
    & skf18("4","6","3","10","3","7","1") = "9"
    & skf18("4","6","3","10","3","8","1") = "9"
    & skf18("4","6","3","10","3","9","1") = "9"
    & skf18("4","6","3","10","3","10","1") = "9"
    & skf18("4","6","3","10","4","1","1") = "9"
    & skf18("4","6","3","10","4","2","1") = "9"
    & skf18("4","6","3","10","4","3","1") = "9"
    & skf18("4","6","3","10","4","4","1") = "9"
    & skf18("4","6","3","10","4","5","1") = "9"
    & skf18("4","6","3","10","4","6","1") = "9"
    & skf18("4","6","3","10","4","7","1") = "9"
    & skf18("4","6","3","10","4","8","1") = "9"
    & skf18("4","6","3","10","4","9","1") = "9"
    & skf18("4","6","3","10","4","10","1") = "9"
    & skf18("4","6","3","10","5","1","1") = "9"
    & skf18("4","6","3","10","5","2","1") = "9"
    & skf18("4","6","3","10","5","3","1") = "9"
    & skf18("4","6","3","10","5","4","1") = "9"
    & skf18("4","6","3","10","5","5","1") = "9"
    & skf18("4","6","3","10","5","6","1") = "9"
    & skf18("4","6","3","10","5","7","1") = "9"
    & skf18("4","6","3","10","5","8","1") = "9"
    & skf18("4","6","3","10","5","9","1") = "9"
    & skf18("4","6","3","10","5","10","1") = "9"
    & skf18("4","6","3","10","6","1","1") = "9"
    & skf18("4","6","3","10","6","2","1") = "9"
    & skf18("4","6","3","10","6","3","1") = "9"
    & skf18("4","6","3","10","6","4","1") = "9"
    & skf18("4","6","3","10","6","5","1") = "9"
    & skf18("4","6","3","10","6","6","1") = "9"
    & skf18("4","6","3","10","6","7","1") = "9"
    & skf18("4","6","3","10","6","8","1") = "9"
    & skf18("4","6","3","10","6","9","1") = "9"
    & skf18("4","6","3","10","6","10","1") = "9"
    & skf18("4","6","3","10","7","1","1") = "9"
    & skf18("4","6","3","10","7","2","1") = "9"
    & skf18("4","6","3","10","7","3","1") = "9"
    & skf18("4","6","3","10","7","4","1") = "9"
    & skf18("4","6","3","10","7","5","1") = "9"
    & skf18("4","6","3","10","7","6","1") = "9"
    & skf18("4","6","3","10","7","7","1") = "9"
    & skf18("4","6","3","10","7","8","1") = "9"
    & skf18("4","6","3","10","7","9","1") = "9"
    & skf18("4","6","3","10","7","10","1") = "9"
    & skf18("4","6","3","10","8","1","1") = "9"
    & skf18("4","6","3","10","8","2","1") = "9"
    & skf18("4","6","3","10","8","3","1") = "9"
    & skf18("4","6","3","10","8","4","1") = "9"
    & skf18("4","6","3","10","8","5","1") = "9"
    & skf18("4","6","3","10","8","6","1") = "9"
    & skf18("4","6","3","10","8","7","1") = "9"
    & skf18("4","6","3","10","8","8","1") = "9"
    & skf18("4","6","3","10","8","9","1") = "9"
    & skf18("4","6","3","10","8","10","1") = "9"
    & skf18("4","6","3","10","9","1","1") = "9"
    & skf18("4","6","3","10","9","2","1") = "9"
    & skf18("4","6","3","10","9","3","1") = "9"
    & skf18("4","6","3","10","9","4","1") = "9"
    & skf18("4","6","3","10","9","5","1") = "9"
    & skf18("4","6","3","10","9","6","1") = "9"
    & skf18("4","6","3","10","9","7","1") = "9"
    & skf18("4","6","3","10","9","8","1") = "9"
    & skf18("4","6","3","10","9","9","1") = "9"
    & skf18("4","6","3","10","9","10","1") = "9"
    & skf18("4","6","3","10","10","1","1") = "9"
    & skf18("4","6","3","10","10","2","1") = "9"
    & skf18("4","6","3","10","10","3","1") = "9"
    & skf18("4","6","3","10","10","4","1") = "9"
    & skf18("4","6","3","10","10","5","1") = "9"
    & skf18("4","6","3","10","10","6","1") = "9"
    & skf18("4","6","3","10","10","7","1") = "9"
    & skf18("4","6","3","10","10","8","1") = "9"
    & skf18("4","6","3","10","10","9","1") = "9"
    & skf18("4","6","3","10","10","10","1") = "9"
    & skf18("4","6","4","1","1","1","1") = "5"
    & skf18("4","6","4","1","1","2","1") = "5"
    & skf18("4","6","4","1","1","3","1") = "5"
    & skf18("4","6","4","1","1","4","1") = "5"
    & skf18("4","6","4","1","1","5","1") = "5"
    & skf18("4","6","4","1","1","6","1") = "5"
    & skf18("4","6","4","1","1","7","1") = "6"
    & skf18("4","6","4","1","1","8","1") = "7"
    & skf18("4","6","4","1","1","9","1") = "8"
    & skf18("4","6","4","1","1","10","1") = "9"
    & skf18("4","6","4","1","2","1","1") = "5"
    & skf18("4","6","4","1","2","2","1") = "5"
    & skf18("4","6","4","1","2","3","1") = "5"
    & skf18("4","6","4","1","2","4","1") = "5"
    & skf18("4","6","4","1","2","5","1") = "5"
    & skf18("4","6","4","1","2","6","1") = "5"
    & skf18("4","6","4","1","2","7","1") = "6"
    & skf18("4","6","4","1","2","8","1") = "7"
    & skf18("4","6","4","1","2","9","1") = "8"
    & skf18("4","6","4","1","2","10","1") = "9"
    & skf18("4","6","4","1","3","1","1") = "5"
    & skf18("4","6","4","1","3","2","1") = "5"
    & skf18("4","6","4","1","3","3","1") = "5"
    & skf18("4","6","4","1","3","4","1") = "5"
    & skf18("4","6","4","1","3","5","1") = "5"
    & skf18("4","6","4","1","3","6","1") = "5"
    & skf18("4","6","4","1","3","7","1") = "6"
    & skf18("4","6","4","1","3","8","1") = "7"
    & skf18("4","6","4","1","3","9","1") = "8"
    & skf18("4","6","4","1","3","10","1") = "9"
    & skf18("4","6","4","1","4","1","1") = "5"
    & skf18("4","6","4","1","4","2","1") = "5"
    & skf18("4","6","4","1","4","3","1") = "5"
    & skf18("4","6","4","1","4","4","1") = "5"
    & skf18("4","6","4","1","4","5","1") = "5"
    & skf18("4","6","4","1","4","6","1") = "5"
    & skf18("4","6","4","1","4","7","1") = "6"
    & skf18("4","6","4","1","4","8","1") = "7"
    & skf18("4","6","4","1","4","9","1") = "8"
    & skf18("4","6","4","1","4","10","1") = "9"
    & skf18("4","6","4","1","5","1","1") = "5"
    & skf18("4","6","4","1","5","2","1") = "5"
    & skf18("4","6","4","1","5","3","1") = "5"
    & skf18("4","6","4","1","5","4","1") = "5"
    & skf18("4","6","4","1","5","5","1") = "5"
    & skf18("4","6","4","1","5","6","1") = "5"
    & skf18("4","6","4","1","5","7","1") = "6"
    & skf18("4","6","4","1","5","8","1") = "7"
    & skf18("4","6","4","1","5","9","1") = "8"
    & skf18("4","6","4","1","5","10","1") = "9"
    & skf18("4","6","4","1","6","1","1") = "5"
    & skf18("4","6","4","1","6","2","1") = "5"
    & skf18("4","6","4","1","6","3","1") = "5"
    & skf18("4","6","4","1","6","4","1") = "5"
    & skf18("4","6","4","1","6","5","1") = "5"
    & skf18("4","6","4","1","6","6","1") = "5"
    & skf18("4","6","4","1","6","7","1") = "6"
    & skf18("4","6","4","1","6","8","1") = "7"
    & skf18("4","6","4","1","6","9","1") = "8"
    & skf18("4","6","4","1","6","10","1") = "9"
    & skf18("4","6","4","1","7","1","1") = "6"
    & skf18("4","6","4","1","7","2","1") = "6"
    & skf18("4","6","4","1","7","3","1") = "6"
    & skf18("4","6","4","1","7","4","1") = "6"
    & skf18("4","6","4","1","7","5","1") = "6"
    & skf18("4","6","4","1","7","6","1") = "6"
    & skf18("4","6","4","1","7","7","1") = "6"
    & skf18("4","6","4","1","7","8","1") = "7"
    & skf18("4","6","4","1","7","9","1") = "8"
    & skf18("4","6","4","1","7","10","1") = "9"
    & skf18("4","6","4","1","8","1","1") = "7"
    & skf18("4","6","4","1","8","2","1") = "7"
    & skf18("4","6","4","1","8","3","1") = "7"
    & skf18("4","6","4","1","8","4","1") = "7"
    & skf18("4","6","4","1","8","5","1") = "7"
    & skf18("4","6","4","1","8","6","1") = "7"
    & skf18("4","6","4","1","8","7","1") = "7"
    & skf18("4","6","4","1","8","8","1") = "7"
    & skf18("4","6","4","1","8","9","1") = "8"
    & skf18("4","6","4","1","8","10","1") = "9"
    & skf18("4","6","4","1","9","1","1") = "8"
    & skf18("4","6","4","1","9","2","1") = "8"
    & skf18("4","6","4","1","9","3","1") = "8"
    & skf18("4","6","4","1","9","4","1") = "8"
    & skf18("4","6","4","1","9","5","1") = "8"
    & skf18("4","6","4","1","9","6","1") = "8"
    & skf18("4","6","4","1","9","7","1") = "8"
    & skf18("4","6","4","1","9","8","1") = "8"
    & skf18("4","6","4","1","9","9","1") = "8"
    & skf18("4","6","4","1","9","10","1") = "9"
    & skf18("4","6","4","1","10","1","1") = "9"
    & skf18("4","6","4","1","10","2","1") = "9"
    & skf18("4","6","4","1","10","3","1") = "9"
    & skf18("4","6","4","1","10","4","1") = "9"
    & skf18("4","6","4","1","10","5","1") = "9"
    & skf18("4","6","4","1","10","6","1") = "9"
    & skf18("4","6","4","1","10","7","1") = "9"
    & skf18("4","6","4","1","10","8","1") = "9"
    & skf18("4","6","4","1","10","9","1") = "9"
    & skf18("4","6","4","1","10","10","1") = "9"
    & skf18("4","6","4","2","1","1","1") = "5"
    & skf18("4","6","4","2","1","2","1") = "5"
    & skf18("4","6","4","2","1","3","1") = "5"
    & skf18("4","6","4","2","1","4","1") = "5"
    & skf18("4","6","4","2","1","5","1") = "5"
    & skf18("4","6","4","2","1","6","1") = "5"
    & skf18("4","6","4","2","1","7","1") = "6"
    & skf18("4","6","4","2","1","8","1") = "7"
    & skf18("4","6","4","2","1","9","1") = "8"
    & skf18("4","6","4","2","1","10","1") = "9"
    & skf18("4","6","4","2","2","1","1") = "5"
    & skf18("4","6","4","2","2","2","1") = "5"
    & skf18("4","6","4","2","2","3","1") = "5"
    & skf18("4","6","4","2","2","4","1") = "5"
    & skf18("4","6","4","2","2","5","1") = "5"
    & skf18("4","6","4","2","2","6","1") = "5"
    & skf18("4","6","4","2","2","7","1") = "6"
    & skf18("4","6","4","2","2","8","1") = "7"
    & skf18("4","6","4","2","2","9","1") = "8"
    & skf18("4","6","4","2","2","10","1") = "9"
    & skf18("4","6","4","2","3","1","1") = "5"
    & skf18("4","6","4","2","3","2","1") = "5"
    & skf18("4","6","4","2","3","3","1") = "5"
    & skf18("4","6","4","2","3","4","1") = "5"
    & skf18("4","6","4","2","3","5","1") = "5"
    & skf18("4","6","4","2","3","6","1") = "5"
    & skf18("4","6","4","2","3","7","1") = "6"
    & skf18("4","6","4","2","3","8","1") = "7"
    & skf18("4","6","4","2","3","9","1") = "8"
    & skf18("4","6","4","2","3","10","1") = "9"
    & skf18("4","6","4","2","4","1","1") = "5"
    & skf18("4","6","4","2","4","2","1") = "5"
    & skf18("4","6","4","2","4","3","1") = "5"
    & skf18("4","6","4","2","4","4","1") = "5"
    & skf18("4","6","4","2","4","5","1") = "5"
    & skf18("4","6","4","2","4","6","1") = "5"
    & skf18("4","6","4","2","4","7","1") = "6"
    & skf18("4","6","4","2","4","8","1") = "7"
    & skf18("4","6","4","2","4","9","1") = "8"
    & skf18("4","6","4","2","4","10","1") = "9"
    & skf18("4","6","4","2","5","1","1") = "5"
    & skf18("4","6","4","2","5","2","1") = "5"
    & skf18("4","6","4","2","5","3","1") = "5"
    & skf18("4","6","4","2","5","4","1") = "5"
    & skf18("4","6","4","2","5","5","1") = "5"
    & skf18("4","6","4","2","5","6","1") = "5"
    & skf18("4","6","4","2","5","7","1") = "6"
    & skf18("4","6","4","2","5","8","1") = "7"
    & skf18("4","6","4","2","5","9","1") = "8"
    & skf18("4","6","4","2","5","10","1") = "9"
    & skf18("4","6","4","2","6","1","1") = "5"
    & skf18("4","6","4","2","6","2","1") = "5"
    & skf18("4","6","4","2","6","3","1") = "5"
    & skf18("4","6","4","2","6","4","1") = "5"
    & skf18("4","6","4","2","6","5","1") = "5"
    & skf18("4","6","4","2","6","6","1") = "5"
    & skf18("4","6","4","2","6","7","1") = "6"
    & skf18("4","6","4","2","6","8","1") = "7"
    & skf18("4","6","4","2","6","9","1") = "8"
    & skf18("4","6","4","2","6","10","1") = "9"
    & skf18("4","6","4","2","7","1","1") = "6"
    & skf18("4","6","4","2","7","2","1") = "6"
    & skf18("4","6","4","2","7","3","1") = "6"
    & skf18("4","6","4","2","7","4","1") = "6"
    & skf18("4","6","4","2","7","5","1") = "6"
    & skf18("4","6","4","2","7","6","1") = "6"
    & skf18("4","6","4","2","7","7","1") = "6"
    & skf18("4","6","4","2","7","8","1") = "7"
    & skf18("4","6","4","2","7","9","1") = "8"
    & skf18("4","6","4","2","7","10","1") = "9"
    & skf18("4","6","4","2","8","1","1") = "7"
    & skf18("4","6","4","2","8","2","1") = "7"
    & skf18("4","6","4","2","8","3","1") = "7"
    & skf18("4","6","4","2","8","4","1") = "7"
    & skf18("4","6","4","2","8","5","1") = "7"
    & skf18("4","6","4","2","8","6","1") = "7"
    & skf18("4","6","4","2","8","7","1") = "7"
    & skf18("4","6","4","2","8","8","1") = "7"
    & skf18("4","6","4","2","8","9","1") = "8"
    & skf18("4","6","4","2","8","10","1") = "9"
    & skf18("4","6","4","2","9","1","1") = "8"
    & skf18("4","6","4","2","9","2","1") = "8"
    & skf18("4","6","4","2","9","3","1") = "8"
    & skf18("4","6","4","2","9","4","1") = "8"
    & skf18("4","6","4","2","9","5","1") = "8"
    & skf18("4","6","4","2","9","6","1") = "8"
    & skf18("4","6","4","2","9","7","1") = "8"
    & skf18("4","6","4","2","9","8","1") = "8"
    & skf18("4","6","4","2","9","9","1") = "8"
    & skf18("4","6","4","2","9","10","1") = "9"
    & skf18("4","6","4","2","10","1","1") = "9"
    & skf18("4","6","4","2","10","2","1") = "9"
    & skf18("4","6","4","2","10","3","1") = "9"
    & skf18("4","6","4","2","10","4","1") = "9"
    & skf18("4","6","4","2","10","5","1") = "9"
    & skf18("4","6","4","2","10","6","1") = "9"
    & skf18("4","6","4","2","10","7","1") = "9"
    & skf18("4","6","4","2","10","8","1") = "9"
    & skf18("4","6","4","2","10","9","1") = "9"
    & skf18("4","6","4","2","10","10","1") = "9"
    & skf18("4","6","4","3","1","1","1") = "5"
    & skf18("4","6","4","3","1","2","1") = "5"
    & skf18("4","6","4","3","1","3","1") = "5"
    & skf18("4","6","4","3","1","4","1") = "5"
    & skf18("4","6","4","3","1","5","1") = "5"
    & skf18("4","6","4","3","1","6","1") = "5"
    & skf18("4","6","4","3","1","7","1") = "6"
    & skf18("4","6","4","3","1","8","1") = "7"
    & skf18("4","6","4","3","1","9","1") = "8"
    & skf18("4","6","4","3","1","10","1") = "9"
    & skf18("4","6","4","3","2","1","1") = "5"
    & skf18("4","6","4","3","2","2","1") = "5"
    & skf18("4","6","4","3","2","3","1") = "5"
    & skf18("4","6","4","3","2","4","1") = "5"
    & skf18("4","6","4","3","2","5","1") = "5"
    & skf18("4","6","4","3","2","6","1") = "5"
    & skf18("4","6","4","3","2","7","1") = "6"
    & skf18("4","6","4","3","2","8","1") = "7"
    & skf18("4","6","4","3","2","9","1") = "8"
    & skf18("4","6","4","3","2","10","1") = "9"
    & skf18("4","6","4","3","3","1","1") = "5"
    & skf18("4","6","4","3","3","2","1") = "5"
    & skf18("4","6","4","3","3","3","1") = "5"
    & skf18("4","6","4","3","3","4","1") = "5"
    & skf18("4","6","4","3","3","5","1") = "5"
    & skf18("4","6","4","3","3","6","1") = "5"
    & skf18("4","6","4","3","3","7","1") = "6"
    & skf18("4","6","4","3","3","8","1") = "7"
    & skf18("4","6","4","3","3","9","1") = "8"
    & skf18("4","6","4","3","3","10","1") = "9"
    & skf18("4","6","4","3","4","1","1") = "5"
    & skf18("4","6","4","3","4","2","1") = "5"
    & skf18("4","6","4","3","4","3","1") = "5"
    & skf18("4","6","4","3","4","4","1") = "5"
    & skf18("4","6","4","3","4","5","1") = "5"
    & skf18("4","6","4","3","4","6","1") = "5"
    & skf18("4","6","4","3","4","7","1") = "6"
    & skf18("4","6","4","3","4","8","1") = "7"
    & skf18("4","6","4","3","4","9","1") = "8"
    & skf18("4","6","4","3","4","10","1") = "9"
    & skf18("4","6","4","3","5","1","1") = "5"
    & skf18("4","6","4","3","5","2","1") = "5"
    & skf18("4","6","4","3","5","3","1") = "5"
    & skf18("4","6","4","3","5","4","1") = "5"
    & skf18("4","6","4","3","5","5","1") = "5"
    & skf18("4","6","4","3","5","6","1") = "5"
    & skf18("4","6","4","3","5","7","1") = "6"
    & skf18("4","6","4","3","5","8","1") = "7"
    & skf18("4","6","4","3","5","9","1") = "8"
    & skf18("4","6","4","3","5","10","1") = "9"
    & skf18("4","6","4","3","6","1","1") = "5"
    & skf18("4","6","4","3","6","2","1") = "5"
    & skf18("4","6","4","3","6","3","1") = "5"
    & skf18("4","6","4","3","6","4","1") = "5"
    & skf18("4","6","4","3","6","5","1") = "5"
    & skf18("4","6","4","3","6","6","1") = "5"
    & skf18("4","6","4","3","6","7","1") = "6"
    & skf18("4","6","4","3","6","8","1") = "7"
    & skf18("4","6","4","3","6","9","1") = "8"
    & skf18("4","6","4","3","6","10","1") = "9"
    & skf18("4","6","4","3","7","1","1") = "6"
    & skf18("4","6","4","3","7","2","1") = "6"
    & skf18("4","6","4","3","7","3","1") = "6"
    & skf18("4","6","4","3","7","4","1") = "6"
    & skf18("4","6","4","3","7","5","1") = "6"
    & skf18("4","6","4","3","7","6","1") = "6"
    & skf18("4","6","4","3","7","7","1") = "6"
    & skf18("4","6","4","3","7","8","1") = "7"
    & skf18("4","6","4","3","7","9","1") = "8"
    & skf18("4","6","4","3","7","10","1") = "9"
    & skf18("4","6","4","3","8","1","1") = "7"
    & skf18("4","6","4","3","8","2","1") = "7"
    & skf18("4","6","4","3","8","3","1") = "7"
    & skf18("4","6","4","3","8","4","1") = "7"
    & skf18("4","6","4","3","8","5","1") = "7"
    & skf18("4","6","4","3","8","6","1") = "7"
    & skf18("4","6","4","3","8","7","1") = "7"
    & skf18("4","6","4","3","8","8","1") = "7"
    & skf18("4","6","4","3","8","9","1") = "8"
    & skf18("4","6","4","3","8","10","1") = "9"
    & skf18("4","6","4","3","9","1","1") = "8"
    & skf18("4","6","4","3","9","2","1") = "8"
    & skf18("4","6","4","3","9","3","1") = "8"
    & skf18("4","6","4","3","9","4","1") = "8"
    & skf18("4","6","4","3","9","5","1") = "8"
    & skf18("4","6","4","3","9","6","1") = "8"
    & skf18("4","6","4","3","9","7","1") = "8"
    & skf18("4","6","4","3","9","8","1") = "8"
    & skf18("4","6","4","3","9","9","1") = "8"
    & skf18("4","6","4","3","9","10","1") = "9"
    & skf18("4","6","4","3","10","1","1") = "9"
    & skf18("4","6","4","3","10","2","1") = "9"
    & skf18("4","6","4","3","10","3","1") = "9"
    & skf18("4","6","4","3","10","4","1") = "9"
    & skf18("4","6","4","3","10","5","1") = "9"
    & skf18("4","6","4","3","10","6","1") = "9"
    & skf18("4","6","4","3","10","7","1") = "9"
    & skf18("4","6","4","3","10","8","1") = "9"
    & skf18("4","6","4","3","10","9","1") = "9"
    & skf18("4","6","4","3","10","10","1") = "9"
    & skf18("4","6","4","4","1","1","1") = "5"
    & skf18("4","6","4","4","1","2","1") = "5"
    & skf18("4","6","4","4","1","3","1") = "5"
    & skf18("4","6","4","4","1","4","1") = "5"
    & skf18("4","6","4","4","1","5","1") = "5"
    & skf18("4","6","4","4","1","6","1") = "5"
    & skf18("4","6","4","4","1","7","1") = "6"
    & skf18("4","6","4","4","1","8","1") = "7"
    & skf18("4","6","4","4","1","9","1") = "8"
    & skf18("4","6","4","4","1","10","1") = "9"
    & skf18("4","6","4","4","2","1","1") = "5"
    & skf18("4","6","4","4","2","2","1") = "5"
    & skf18("4","6","4","4","2","3","1") = "5"
    & skf18("4","6","4","4","2","4","1") = "5"
    & skf18("4","6","4","4","2","5","1") = "5"
    & skf18("4","6","4","4","2","6","1") = "5"
    & skf18("4","6","4","4","2","7","1") = "6"
    & skf18("4","6","4","4","2","8","1") = "7"
    & skf18("4","6","4","4","2","9","1") = "8"
    & skf18("4","6","4","4","2","10","1") = "9"
    & skf18("4","6","4","4","3","1","1") = "5"
    & skf18("4","6","4","4","3","2","1") = "5"
    & skf18("4","6","4","4","3","3","1") = "5"
    & skf18("4","6","4","4","3","4","1") = "5"
    & skf18("4","6","4","4","3","5","1") = "5"
    & skf18("4","6","4","4","3","6","1") = "5"
    & skf18("4","6","4","4","3","7","1") = "6"
    & skf18("4","6","4","4","3","8","1") = "7"
    & skf18("4","6","4","4","3","9","1") = "8"
    & skf18("4","6","4","4","3","10","1") = "9"
    & skf18("4","6","4","4","4","1","1") = "5"
    & skf18("4","6","4","4","4","2","1") = "5"
    & skf18("4","6","4","4","4","3","1") = "5"
    & skf18("4","6","4","4","4","4","1") = "5"
    & skf18("4","6","4","4","4","5","1") = "5"
    & skf18("4","6","4","4","4","6","1") = "5"
    & skf18("4","6","4","4","4","7","1") = "6"
    & skf18("4","6","4","4","4","8","1") = "7"
    & skf18("4","6","4","4","4","9","1") = "8"
    & skf18("4","6","4","4","4","10","1") = "9"
    & skf18("4","6","4","4","5","1","1") = "5"
    & skf18("4","6","4","4","5","2","1") = "5"
    & skf18("4","6","4","4","5","3","1") = "5"
    & skf18("4","6","4","4","5","4","1") = "5"
    & skf18("4","6","4","4","5","5","1") = "5"
    & skf18("4","6","4","4","5","6","1") = "5"
    & skf18("4","6","4","4","5","7","1") = "6"
    & skf18("4","6","4","4","5","8","1") = "7"
    & skf18("4","6","4","4","5","9","1") = "8"
    & skf18("4","6","4","4","5","10","1") = "9"
    & skf18("4","6","4","4","6","1","1") = "5"
    & skf18("4","6","4","4","6","2","1") = "5"
    & skf18("4","6","4","4","6","3","1") = "5"
    & skf18("4","6","4","4","6","4","1") = "5"
    & skf18("4","6","4","4","6","5","1") = "5"
    & skf18("4","6","4","4","6","6","1") = "5"
    & skf18("4","6","4","4","6","7","1") = "6"
    & skf18("4","6","4","4","6","8","1") = "7"
    & skf18("4","6","4","4","6","9","1") = "8"
    & skf18("4","6","4","4","6","10","1") = "9"
    & skf18("4","6","4","4","7","1","1") = "6"
    & skf18("4","6","4","4","7","2","1") = "6"
    & skf18("4","6","4","4","7","3","1") = "6"
    & skf18("4","6","4","4","7","4","1") = "6"
    & skf18("4","6","4","4","7","5","1") = "6"
    & skf18("4","6","4","4","7","6","1") = "6"
    & skf18("4","6","4","4","7","7","1") = "6"
    & skf18("4","6","4","4","7","8","1") = "7"
    & skf18("4","6","4","4","7","9","1") = "8"
    & skf18("4","6","4","4","7","10","1") = "9"
    & skf18("4","6","4","4","8","1","1") = "7"
    & skf18("4","6","4","4","8","2","1") = "7"
    & skf18("4","6","4","4","8","3","1") = "7"
    & skf18("4","6","4","4","8","4","1") = "7"
    & skf18("4","6","4","4","8","5","1") = "7"
    & skf18("4","6","4","4","8","6","1") = "7"
    & skf18("4","6","4","4","8","7","1") = "7"
    & skf18("4","6","4","4","8","8","1") = "7"
    & skf18("4","6","4","4","8","9","1") = "8"
    & skf18("4","6","4","4","8","10","1") = "9"
    & skf18("4","6","4","4","9","1","1") = "8"
    & skf18("4","6","4","4","9","2","1") = "8"
    & skf18("4","6","4","4","9","3","1") = "8"
    & skf18("4","6","4","4","9","4","1") = "8"
    & skf18("4","6","4","4","9","5","1") = "8"
    & skf18("4","6","4","4","9","6","1") = "8"
    & skf18("4","6","4","4","9","7","1") = "8"
    & skf18("4","6","4","4","9","8","1") = "8"
    & skf18("4","6","4","4","9","9","1") = "8"
    & skf18("4","6","4","4","9","10","1") = "9"
    & skf18("4","6","4","4","10","1","1") = "9"
    & skf18("4","6","4","4","10","2","1") = "9"
    & skf18("4","6","4","4","10","3","1") = "9"
    & skf18("4","6","4","4","10","4","1") = "9"
    & skf18("4","6","4","4","10","5","1") = "9"
    & skf18("4","6","4","4","10","6","1") = "9"
    & skf18("4","6","4","4","10","7","1") = "9"
    & skf18("4","6","4","4","10","8","1") = "9"
    & skf18("4","6","4","4","10","9","1") = "9"
    & skf18("4","6","4","4","10","10","1") = "9"
    & skf18("4","6","4","5","1","1","1") = "5"
    & skf18("4","6","4","5","1","2","1") = "5"
    & skf18("4","6","4","5","1","3","1") = "5"
    & skf18("4","6","4","5","1","4","1") = "5"
    & skf18("4","6","4","5","1","5","1") = "5"
    & skf18("4","6","4","5","1","6","1") = "5"
    & skf18("4","6","4","5","1","7","1") = "6"
    & skf18("4","6","4","5","1","8","1") = "7"
    & skf18("4","6","4","5","1","9","1") = "8"
    & skf18("4","6","4","5","1","10","1") = "9"
    & skf18("4","6","4","5","2","1","1") = "5"
    & skf18("4","6","4","5","2","2","1") = "5"
    & skf18("4","6","4","5","2","3","1") = "5"
    & skf18("4","6","4","5","2","4","1") = "5"
    & skf18("4","6","4","5","2","5","1") = "5"
    & skf18("4","6","4","5","2","6","1") = "5"
    & skf18("4","6","4","5","2","7","1") = "6"
    & skf18("4","6","4","5","2","8","1") = "7"
    & skf18("4","6","4","5","2","9","1") = "8"
    & skf18("4","6","4","5","2","10","1") = "9"
    & skf18("4","6","4","5","3","1","1") = "5"
    & skf18("4","6","4","5","3","2","1") = "5"
    & skf18("4","6","4","5","3","3","1") = "5"
    & skf18("4","6","4","5","3","4","1") = "5"
    & skf18("4","6","4","5","3","5","1") = "5"
    & skf18("4","6","4","5","3","6","1") = "5"
    & skf18("4","6","4","5","3","7","1") = "6"
    & skf18("4","6","4","5","3","8","1") = "7"
    & skf18("4","6","4","5","3","9","1") = "8"
    & skf18("4","6","4","5","3","10","1") = "9"
    & skf18("4","6","4","5","4","1","1") = "5"
    & skf18("4","6","4","5","4","2","1") = "5"
    & skf18("4","6","4","5","4","3","1") = "5"
    & skf18("4","6","4","5","4","4","1") = "5"
    & skf18("4","6","4","5","4","5","1") = "5"
    & skf18("4","6","4","5","4","6","1") = "5"
    & skf18("4","6","4","5","4","7","1") = "6"
    & skf18("4","6","4","5","4","8","1") = "7"
    & skf18("4","6","4","5","4","9","1") = "8"
    & skf18("4","6","4","5","4","10","1") = "9"
    & skf18("4","6","4","5","5","1","1") = "5"
    & skf18("4","6","4","5","5","2","1") = "5"
    & skf18("4","6","4","5","5","3","1") = "5"
    & skf18("4","6","4","5","5","4","1") = "5"
    & skf18("4","6","4","5","5","5","1") = "5"
    & skf18("4","6","4","5","5","6","1") = "5"
    & skf18("4","6","4","5","5","7","1") = "6"
    & skf18("4","6","4","5","5","8","1") = "7"
    & skf18("4","6","4","5","5","9","1") = "8"
    & skf18("4","6","4","5","5","10","1") = "9"
    & skf18("4","6","4","5","6","1","1") = "5"
    & skf18("4","6","4","5","6","2","1") = "5"
    & skf18("4","6","4","5","6","3","1") = "5"
    & skf18("4","6","4","5","6","4","1") = "5"
    & skf18("4","6","4","5","6","5","1") = "5"
    & skf18("4","6","4","5","6","6","1") = "5"
    & skf18("4","6","4","5","6","7","1") = "6"
    & skf18("4","6","4","5","6","8","1") = "7"
    & skf18("4","6","4","5","6","9","1") = "8"
    & skf18("4","6","4","5","6","10","1") = "9"
    & skf18("4","6","4","5","7","1","1") = "6"
    & skf18("4","6","4","5","7","2","1") = "6"
    & skf18("4","6","4","5","7","3","1") = "6"
    & skf18("4","6","4","5","7","4","1") = "6"
    & skf18("4","6","4","5","7","5","1") = "6"
    & skf18("4","6","4","5","7","6","1") = "6"
    & skf18("4","6","4","5","7","7","1") = "6"
    & skf18("4","6","4","5","7","8","1") = "7"
    & skf18("4","6","4","5","7","9","1") = "8"
    & skf18("4","6","4","5","7","10","1") = "9"
    & skf18("4","6","4","5","8","1","1") = "7"
    & skf18("4","6","4","5","8","2","1") = "7"
    & skf18("4","6","4","5","8","3","1") = "7"
    & skf18("4","6","4","5","8","4","1") = "7"
    & skf18("4","6","4","5","8","5","1") = "7"
    & skf18("4","6","4","5","8","6","1") = "7"
    & skf18("4","6","4","5","8","7","1") = "7"
    & skf18("4","6","4","5","8","8","1") = "7"
    & skf18("4","6","4","5","8","9","1") = "8"
    & skf18("4","6","4","5","8","10","1") = "9"
    & skf18("4","6","4","5","9","1","1") = "8"
    & skf18("4","6","4","5","9","2","1") = "8"
    & skf18("4","6","4","5","9","3","1") = "8"
    & skf18("4","6","4","5","9","4","1") = "8"
    & skf18("4","6","4","5","9","5","1") = "8"
    & skf18("4","6","4","5","9","6","1") = "8"
    & skf18("4","6","4","5","9","7","1") = "8"
    & skf18("4","6","4","5","9","8","1") = "8"
    & skf18("4","6","4","5","9","9","1") = "8"
    & skf18("4","6","4","5","9","10","1") = "9"
    & skf18("4","6","4","5","10","1","1") = "9"
    & skf18("4","6","4","5","10","2","1") = "9"
    & skf18("4","6","4","5","10","3","1") = "9"
    & skf18("4","6","4","5","10","4","1") = "9"
    & skf18("4","6","4","5","10","5","1") = "9"
    & skf18("4","6","4","5","10","6","1") = "9"
    & skf18("4","6","4","5","10","7","1") = "9"
    & skf18("4","6","4","5","10","8","1") = "9"
    & skf18("4","6","4","5","10","9","1") = "9"
    & skf18("4","6","4","5","10","10","1") = "9"
    & skf18("4","6","4","6","1","1","1") = "5"
    & skf18("4","6","4","6","1","2","1") = "5"
    & skf18("4","6","4","6","1","3","1") = "5"
    & skf18("4","6","4","6","1","4","1") = "5"
    & skf18("4","6","4","6","1","5","1") = "5"
    & skf18("4","6","4","6","1","6","1") = "5"
    & skf18("4","6","4","6","1","7","1") = "6"
    & skf18("4","6","4","6","1","8","1") = "7"
    & skf18("4","6","4","6","1","9","1") = "8"
    & skf18("4","6","4","6","1","10","1") = "9"
    & skf18("4","6","4","6","2","1","1") = "5"
    & skf18("4","6","4","6","2","2","1") = "5"
    & skf18("4","6","4","6","2","3","1") = "5"
    & skf18("4","6","4","6","2","4","1") = "5"
    & skf18("4","6","4","6","2","5","1") = "5"
    & skf18("4","6","4","6","2","6","1") = "5"
    & skf18("4","6","4","6","2","7","1") = "6"
    & skf18("4","6","4","6","2","8","1") = "7"
    & skf18("4","6","4","6","2","9","1") = "8"
    & skf18("4","6","4","6","2","10","1") = "9"
    & skf18("4","6","4","6","3","1","1") = "5"
    & skf18("4","6","4","6","3","2","1") = "5"
    & skf18("4","6","4","6","3","3","1") = "5"
    & skf18("4","6","4","6","3","4","1") = "5"
    & skf18("4","6","4","6","3","5","1") = "5"
    & skf18("4","6","4","6","3","6","1") = "5"
    & skf18("4","6","4","6","3","7","1") = "6"
    & skf18("4","6","4","6","3","8","1") = "7"
    & skf18("4","6","4","6","3","9","1") = "8"
    & skf18("4","6","4","6","3","10","1") = "9"
    & skf18("4","6","4","6","4","1","1") = "5"
    & skf18("4","6","4","6","4","2","1") = "5"
    & skf18("4","6","4","6","4","3","1") = "5"
    & skf18("4","6","4","6","4","4","1") = "5"
    & skf18("4","6","4","6","4","5","1") = "5"
    & skf18("4","6","4","6","4","6","1") = "5"
    & skf18("4","6","4","6","4","7","1") = "6"
    & skf18("4","6","4","6","4","8","1") = "7"
    & skf18("4","6","4","6","4","9","1") = "8"
    & skf18("4","6","4","6","4","10","1") = "9"
    & skf18("4","6","4","6","5","1","1") = "5"
    & skf18("4","6","4","6","5","2","1") = "5"
    & skf18("4","6","4","6","5","3","1") = "5"
    & skf18("4","6","4","6","5","4","1") = "5"
    & skf18("4","6","4","6","5","5","1") = "5"
    & skf18("4","6","4","6","5","6","1") = "5"
    & skf18("4","6","4","6","5","7","1") = "6"
    & skf18("4","6","4","6","5","8","1") = "7"
    & skf18("4","6","4","6","5","9","1") = "8"
    & skf18("4","6","4","6","5","10","1") = "9"
    & skf18("4","6","4","6","6","1","1") = "5"
    & skf18("4","6","4","6","6","2","1") = "5"
    & skf18("4","6","4","6","6","3","1") = "5"
    & skf18("4","6","4","6","6","4","1") = "5"
    & skf18("4","6","4","6","6","5","1") = "5"
    & skf18("4","6","4","6","6","6","1") = "5"
    & skf18("4","6","4","6","6","7","1") = "6"
    & skf18("4","6","4","6","6","8","1") = "7"
    & skf18("4","6","4","6","6","9","1") = "8"
    & skf18("4","6","4","6","6","10","1") = "9"
    & skf18("4","6","4","6","7","1","1") = "6"
    & skf18("4","6","4","6","7","2","1") = "6"
    & skf18("4","6","4","6","7","3","1") = "6"
    & skf18("4","6","4","6","7","4","1") = "6"
    & skf18("4","6","4","6","7","5","1") = "6"
    & skf18("4","6","4","6","7","6","1") = "6"
    & skf18("4","6","4","6","7","7","1") = "6"
    & skf18("4","6","4","6","7","8","1") = "7"
    & skf18("4","6","4","6","7","9","1") = "8"
    & skf18("4","6","4","6","7","10","1") = "9"
    & skf18("4","6","4","6","8","1","1") = "7"
    & skf18("4","6","4","6","8","2","1") = "7"
    & skf18("4","6","4","6","8","3","1") = "7"
    & skf18("4","6","4","6","8","4","1") = "7"
    & skf18("4","6","4","6","8","5","1") = "7"
    & skf18("4","6","4","6","8","6","1") = "7"
    & skf18("4","6","4","6","8","7","1") = "7"
    & skf18("4","6","4","6","8","8","1") = "7"
    & skf18("4","6","4","6","8","9","1") = "8"
    & skf18("4","6","4","6","8","10","1") = "9"
    & skf18("4","6","4","6","9","1","1") = "8"
    & skf18("4","6","4","6","9","2","1") = "8"
    & skf18("4","6","4","6","9","3","1") = "8"
    & skf18("4","6","4","6","9","4","1") = "8"
    & skf18("4","6","4","6","9","5","1") = "8"
    & skf18("4","6","4","6","9","6","1") = "8"
    & skf18("4","6","4","6","9","7","1") = "8"
    & skf18("4","6","4","6","9","8","1") = "8"
    & skf18("4","6","4","6","9","9","1") = "8"
    & skf18("4","6","4","6","9","10","1") = "9"
    & skf18("4","6","4","6","10","1","1") = "9"
    & skf18("4","6","4","6","10","2","1") = "9"
    & skf18("4","6","4","6","10","3","1") = "9"
    & skf18("4","6","4","6","10","4","1") = "9"
    & skf18("4","6","4","6","10","5","1") = "9"
    & skf18("4","6","4","6","10","6","1") = "9"
    & skf18("4","6","4","6","10","7","1") = "9"
    & skf18("4","6","4","6","10","8","1") = "9"
    & skf18("4","6","4","6","10","9","1") = "9"
    & skf18("4","6","4","6","10","10","1") = "9"
    & skf18("4","6","4","7","1","1","1") = "6"
    & skf18("4","6","4","7","1","2","1") = "6"
    & skf18("4","6","4","7","1","3","1") = "6"
    & skf18("4","6","4","7","1","4","1") = "6"
    & skf18("4","6","4","7","1","5","1") = "6"
    & skf18("4","6","4","7","1","6","1") = "6"
    & skf18("4","6","4","7","1","7","1") = "6"
    & skf18("4","6","4","7","1","8","1") = "7"
    & skf18("4","6","4","7","1","9","1") = "8"
    & skf18("4","6","4","7","1","10","1") = "9"
    & skf18("4","6","4","7","2","1","1") = "6"
    & skf18("4","6","4","7","2","2","1") = "6"
    & skf18("4","6","4","7","2","3","1") = "6"
    & skf18("4","6","4","7","2","4","1") = "6"
    & skf18("4","6","4","7","2","5","1") = "6"
    & skf18("4","6","4","7","2","6","1") = "6"
    & skf18("4","6","4","7","2","7","1") = "6"
    & skf18("4","6","4","7","2","8","1") = "7"
    & skf18("4","6","4","7","2","9","1") = "8"
    & skf18("4","6","4","7","2","10","1") = "9"
    & skf18("4","6","4","7","3","1","1") = "6"
    & skf18("4","6","4","7","3","2","1") = "6"
    & skf18("4","6","4","7","3","3","1") = "6"
    & skf18("4","6","4","7","3","4","1") = "6"
    & skf18("4","6","4","7","3","5","1") = "6"
    & skf18("4","6","4","7","3","6","1") = "6"
    & skf18("4","6","4","7","3","7","1") = "6"
    & skf18("4","6","4","7","3","8","1") = "7"
    & skf18("4","6","4","7","3","9","1") = "8"
    & skf18("4","6","4","7","3","10","1") = "9"
    & skf18("4","6","4","7","4","1","1") = "6"
    & skf18("4","6","4","7","4","2","1") = "6"
    & skf18("4","6","4","7","4","3","1") = "6"
    & skf18("4","6","4","7","4","4","1") = "6"
    & skf18("4","6","4","7","4","5","1") = "6"
    & skf18("4","6","4","7","4","6","1") = "6"
    & skf18("4","6","4","7","4","7","1") = "6"
    & skf18("4","6","4","7","4","8","1") = "7"
    & skf18("4","6","4","7","4","9","1") = "8"
    & skf18("4","6","4","7","4","10","1") = "9"
    & skf18("4","6","4","7","5","1","1") = "6"
    & skf18("4","6","4","7","5","2","1") = "6"
    & skf18("4","6","4","7","5","3","1") = "6"
    & skf18("4","6","4","7","5","4","1") = "6"
    & skf18("4","6","4","7","5","5","1") = "6"
    & skf18("4","6","4","7","5","6","1") = "6"
    & skf18("4","6","4","7","5","7","1") = "6"
    & skf18("4","6","4","7","5","8","1") = "7"
    & skf18("4","6","4","7","5","9","1") = "8"
    & skf18("4","6","4","7","5","10","1") = "9"
    & skf18("4","6","4","7","6","1","1") = "6"
    & skf18("4","6","4","7","6","2","1") = "6"
    & skf18("4","6","4","7","6","3","1") = "6"
    & skf18("4","6","4","7","6","4","1") = "6"
    & skf18("4","6","4","7","6","5","1") = "6"
    & skf18("4","6","4","7","6","6","1") = "6"
    & skf18("4","6","4","7","6","7","1") = "6"
    & skf18("4","6","4","7","6","8","1") = "7"
    & skf18("4","6","4","7","6","9","1") = "8"
    & skf18("4","6","4","7","6","10","1") = "9"
    & skf18("4","6","4","7","7","1","1") = "6"
    & skf18("4","6","4","7","7","2","1") = "6"
    & skf18("4","6","4","7","7","3","1") = "6"
    & skf18("4","6","4","7","7","4","1") = "6"
    & skf18("4","6","4","7","7","5","1") = "6"
    & skf18("4","6","4","7","7","6","1") = "6"
    & skf18("4","6","4","7","7","7","1") = "6"
    & skf18("4","6","4","7","7","8","1") = "7"
    & skf18("4","6","4","7","7","9","1") = "8"
    & skf18("4","6","4","7","7","10","1") = "9"
    & skf18("4","6","4","7","8","1","1") = "7"
    & skf18("4","6","4","7","8","2","1") = "7"
    & skf18("4","6","4","7","8","3","1") = "7"
    & skf18("4","6","4","7","8","4","1") = "7"
    & skf18("4","6","4","7","8","5","1") = "7"
    & skf18("4","6","4","7","8","6","1") = "7"
    & skf18("4","6","4","7","8","7","1") = "7"
    & skf18("4","6","4","7","8","8","1") = "7"
    & skf18("4","6","4","7","8","9","1") = "8"
    & skf18("4","6","4","7","8","10","1") = "9"
    & skf18("4","6","4","7","9","1","1") = "8"
    & skf18("4","6","4","7","9","2","1") = "8"
    & skf18("4","6","4","7","9","3","1") = "8"
    & skf18("4","6","4","7","9","4","1") = "8"
    & skf18("4","6","4","7","9","5","1") = "8"
    & skf18("4","6","4","7","9","6","1") = "8"
    & skf18("4","6","4","7","9","7","1") = "8"
    & skf18("4","6","4","7","9","8","1") = "8"
    & skf18("4","6","4","7","9","9","1") = "8"
    & skf18("4","6","4","7","9","10","1") = "9"
    & skf18("4","6","4","7","10","1","1") = "9"
    & skf18("4","6","4","7","10","2","1") = "9"
    & skf18("4","6","4","7","10","3","1") = "9"
    & skf18("4","6","4","7","10","4","1") = "9"
    & skf18("4","6","4","7","10","5","1") = "9"
    & skf18("4","6","4","7","10","6","1") = "9"
    & skf18("4","6","4","7","10","7","1") = "9"
    & skf18("4","6","4","7","10","8","1") = "9"
    & skf18("4","6","4","7","10","9","1") = "9"
    & skf18("4","6","4","7","10","10","1") = "9"
    & skf18("4","6","4","8","1","1","1") = "7"
    & skf18("4","6","4","8","1","2","1") = "7"
    & skf18("4","6","4","8","1","3","1") = "7"
    & skf18("4","6","4","8","1","4","1") = "7"
    & skf18("4","6","4","8","1","5","1") = "7"
    & skf18("4","6","4","8","1","6","1") = "7"
    & skf18("4","6","4","8","1","7","1") = "7"
    & skf18("4","6","4","8","1","8","1") = "7"
    & skf18("4","6","4","8","1","9","1") = "8"
    & skf18("4","6","4","8","1","10","1") = "9"
    & skf18("4","6","4","8","2","1","1") = "7"
    & skf18("4","6","4","8","2","2","1") = "7"
    & skf18("4","6","4","8","2","3","1") = "7"
    & skf18("4","6","4","8","2","4","1") = "7"
    & skf18("4","6","4","8","2","5","1") = "7"
    & skf18("4","6","4","8","2","6","1") = "7"
    & skf18("4","6","4","8","2","7","1") = "7"
    & skf18("4","6","4","8","2","8","1") = "7"
    & skf18("4","6","4","8","2","9","1") = "8"
    & skf18("4","6","4","8","2","10","1") = "9"
    & skf18("4","6","4","8","3","1","1") = "7"
    & skf18("4","6","4","8","3","2","1") = "7"
    & skf18("4","6","4","8","3","3","1") = "7"
    & skf18("4","6","4","8","3","4","1") = "7"
    & skf18("4","6","4","8","3","5","1") = "7"
    & skf18("4","6","4","8","3","6","1") = "7"
    & skf18("4","6","4","8","3","7","1") = "7"
    & skf18("4","6","4","8","3","8","1") = "7"
    & skf18("4","6","4","8","3","9","1") = "8"
    & skf18("4","6","4","8","3","10","1") = "9"
    & skf18("4","6","4","8","4","1","1") = "7"
    & skf18("4","6","4","8","4","2","1") = "7"
    & skf18("4","6","4","8","4","3","1") = "7"
    & skf18("4","6","4","8","4","4","1") = "7"
    & skf18("4","6","4","8","4","5","1") = "7"
    & skf18("4","6","4","8","4","6","1") = "7"
    & skf18("4","6","4","8","4","7","1") = "7"
    & skf18("4","6","4","8","4","8","1") = "7"
    & skf18("4","6","4","8","4","9","1") = "8"
    & skf18("4","6","4","8","4","10","1") = "9"
    & skf18("4","6","4","8","5","1","1") = "7"
    & skf18("4","6","4","8","5","2","1") = "7"
    & skf18("4","6","4","8","5","3","1") = "7"
    & skf18("4","6","4","8","5","4","1") = "7"
    & skf18("4","6","4","8","5","5","1") = "7"
    & skf18("4","6","4","8","5","6","1") = "7"
    & skf18("4","6","4","8","5","7","1") = "7"
    & skf18("4","6","4","8","5","8","1") = "7"
    & skf18("4","6","4","8","5","9","1") = "8"
    & skf18("4","6","4","8","5","10","1") = "9"
    & skf18("4","6","4","8","6","1","1") = "7"
    & skf18("4","6","4","8","6","2","1") = "7"
    & skf18("4","6","4","8","6","3","1") = "7"
    & skf18("4","6","4","8","6","4","1") = "7"
    & skf18("4","6","4","8","6","5","1") = "7"
    & skf18("4","6","4","8","6","6","1") = "7"
    & skf18("4","6","4","8","6","7","1") = "7"
    & skf18("4","6","4","8","6","8","1") = "7"
    & skf18("4","6","4","8","6","9","1") = "8"
    & skf18("4","6","4","8","6","10","1") = "9"
    & skf18("4","6","4","8","7","1","1") = "7"
    & skf18("4","6","4","8","7","2","1") = "7"
    & skf18("4","6","4","8","7","3","1") = "7"
    & skf18("4","6","4","8","7","4","1") = "7"
    & skf18("4","6","4","8","7","5","1") = "7"
    & skf18("4","6","4","8","7","6","1") = "7"
    & skf18("4","6","4","8","7","7","1") = "7"
    & skf18("4","6","4","8","7","8","1") = "7"
    & skf18("4","6","4","8","7","9","1") = "8"
    & skf18("4","6","4","8","7","10","1") = "9"
    & skf18("4","6","4","8","8","1","1") = "7"
    & skf18("4","6","4","8","8","2","1") = "7"
    & skf18("4","6","4","8","8","3","1") = "7"
    & skf18("4","6","4","8","8","4","1") = "7"
    & skf18("4","6","4","8","8","5","1") = "7"
    & skf18("4","6","4","8","8","6","1") = "7"
    & skf18("4","6","4","8","8","7","1") = "7"
    & skf18("4","6","4","8","8","8","1") = "7"
    & skf18("4","6","4","8","8","9","1") = "8"
    & skf18("4","6","4","8","8","10","1") = "9"
    & skf18("4","6","4","8","9","1","1") = "8"
    & skf18("4","6","4","8","9","2","1") = "8"
    & skf18("4","6","4","8","9","3","1") = "8"
    & skf18("4","6","4","8","9","4","1") = "8"
    & skf18("4","6","4","8","9","5","1") = "8"
    & skf18("4","6","4","8","9","6","1") = "8"
    & skf18("4","6","4","8","9","7","1") = "8"
    & skf18("4","6","4","8","9","8","1") = "8"
    & skf18("4","6","4","8","9","9","1") = "8"
    & skf18("4","6","4","8","9","10","1") = "9"
    & skf18("4","6","4","8","10","1","1") = "9"
    & skf18("4","6","4","8","10","2","1") = "9"
    & skf18("4","6","4","8","10","3","1") = "9"
    & skf18("4","6","4","8","10","4","1") = "9"
    & skf18("4","6","4","8","10","5","1") = "9"
    & skf18("4","6","4","8","10","6","1") = "9"
    & skf18("4","6","4","8","10","7","1") = "9"
    & skf18("4","6","4","8","10","8","1") = "9"
    & skf18("4","6","4","8","10","9","1") = "9"
    & skf18("4","6","4","8","10","10","1") = "9"
    & skf18("4","6","4","9","1","1","1") = "8"
    & skf18("4","6","4","9","1","2","1") = "8"
    & skf18("4","6","4","9","1","3","1") = "8"
    & skf18("4","6","4","9","1","4","1") = "8"
    & skf18("4","6","4","9","1","5","1") = "8"
    & skf18("4","6","4","9","1","6","1") = "8"
    & skf18("4","6","4","9","1","7","1") = "8"
    & skf18("4","6","4","9","1","8","1") = "8"
    & skf18("4","6","4","9","1","9","1") = "8"
    & skf18("4","6","4","9","1","10","1") = "9"
    & skf18("4","6","4","9","2","1","1") = "8"
    & skf18("4","6","4","9","2","2","1") = "8"
    & skf18("4","6","4","9","2","3","1") = "8"
    & skf18("4","6","4","9","2","4","1") = "8"
    & skf18("4","6","4","9","2","5","1") = "8"
    & skf18("4","6","4","9","2","6","1") = "8"
    & skf18("4","6","4","9","2","7","1") = "8"
    & skf18("4","6","4","9","2","8","1") = "8"
    & skf18("4","6","4","9","2","9","1") = "8"
    & skf18("4","6","4","9","2","10","1") = "9"
    & skf18("4","6","4","9","3","1","1") = "8"
    & skf18("4","6","4","9","3","2","1") = "8"
    & skf18("4","6","4","9","3","3","1") = "8"
    & skf18("4","6","4","9","3","4","1") = "8"
    & skf18("4","6","4","9","3","5","1") = "8"
    & skf18("4","6","4","9","3","6","1") = "8"
    & skf18("4","6","4","9","3","7","1") = "8"
    & skf18("4","6","4","9","3","8","1") = "8"
    & skf18("4","6","4","9","3","9","1") = "8"
    & skf18("4","6","4","9","3","10","1") = "9"
    & skf18("4","6","4","9","4","1","1") = "8"
    & skf18("4","6","4","9","4","2","1") = "8"
    & skf18("4","6","4","9","4","3","1") = "8"
    & skf18("4","6","4","9","4","4","1") = "8"
    & skf18("4","6","4","9","4","5","1") = "8"
    & skf18("4","6","4","9","4","6","1") = "8"
    & skf18("4","6","4","9","4","7","1") = "8"
    & skf18("4","6","4","9","4","8","1") = "8"
    & skf18("4","6","4","9","4","9","1") = "8"
    & skf18("4","6","4","9","4","10","1") = "9"
    & skf18("4","6","4","9","5","1","1") = "8"
    & skf18("4","6","4","9","5","2","1") = "8"
    & skf18("4","6","4","9","5","3","1") = "8"
    & skf18("4","6","4","9","5","4","1") = "8"
    & skf18("4","6","4","9","5","5","1") = "8"
    & skf18("4","6","4","9","5","6","1") = "8"
    & skf18("4","6","4","9","5","7","1") = "8"
    & skf18("4","6","4","9","5","8","1") = "8"
    & skf18("4","6","4","9","5","9","1") = "8"
    & skf18("4","6","4","9","5","10","1") = "9"
    & skf18("4","6","4","9","6","1","1") = "8"
    & skf18("4","6","4","9","6","2","1") = "8"
    & skf18("4","6","4","9","6","3","1") = "8"
    & skf18("4","6","4","9","6","4","1") = "8"
    & skf18("4","6","4","9","6","5","1") = "8"
    & skf18("4","6","4","9","6","6","1") = "8"
    & skf18("4","6","4","9","6","7","1") = "8"
    & skf18("4","6","4","9","6","8","1") = "8"
    & skf18("4","6","4","9","6","9","1") = "8"
    & skf18("4","6","4","9","6","10","1") = "9"
    & skf18("4","6","4","9","7","1","1") = "8"
    & skf18("4","6","4","9","7","2","1") = "8"
    & skf18("4","6","4","9","7","3","1") = "8"
    & skf18("4","6","4","9","7","4","1") = "8"
    & skf18("4","6","4","9","7","5","1") = "8"
    & skf18("4","6","4","9","7","6","1") = "8"
    & skf18("4","6","4","9","7","7","1") = "8"
    & skf18("4","6","4","9","7","8","1") = "8"
    & skf18("4","6","4","9","7","9","1") = "8"
    & skf18("4","6","4","9","7","10","1") = "9"
    & skf18("4","6","4","9","8","1","1") = "8"
    & skf18("4","6","4","9","8","2","1") = "8"
    & skf18("4","6","4","9","8","3","1") = "8"
    & skf18("4","6","4","9","8","4","1") = "8"
    & skf18("4","6","4","9","8","5","1") = "8"
    & skf18("4","6","4","9","8","6","1") = "8"
    & skf18("4","6","4","9","8","7","1") = "8"
    & skf18("4","6","4","9","8","8","1") = "8"
    & skf18("4","6","4","9","8","9","1") = "8"
    & skf18("4","6","4","9","8","10","1") = "9"
    & skf18("4","6","4","9","9","1","1") = "8"
    & skf18("4","6","4","9","9","2","1") = "8"
    & skf18("4","6","4","9","9","3","1") = "8"
    & skf18("4","6","4","9","9","4","1") = "8"
    & skf18("4","6","4","9","9","5","1") = "8"
    & skf18("4","6","4","9","9","6","1") = "8"
    & skf18("4","6","4","9","9","7","1") = "8"
    & skf18("4","6","4","9","9","8","1") = "8"
    & skf18("4","6","4","9","9","9","1") = "8"
    & skf18("4","6","4","9","9","10","1") = "9"
    & skf18("4","6","4","9","10","1","1") = "9"
    & skf18("4","6","4","9","10","2","1") = "9"
    & skf18("4","6","4","9","10","3","1") = "9"
    & skf18("4","6","4","9","10","4","1") = "9"
    & skf18("4","6","4","9","10","5","1") = "9"
    & skf18("4","6","4","9","10","6","1") = "9"
    & skf18("4","6","4","9","10","7","1") = "9"
    & skf18("4","6","4","9","10","8","1") = "9"
    & skf18("4","6","4","9","10","9","1") = "9"
    & skf18("4","6","4","9","10","10","1") = "9"
    & skf18("4","6","4","10","1","1","1") = "9"
    & skf18("4","6","4","10","1","2","1") = "9"
    & skf18("4","6","4","10","1","3","1") = "9"
    & skf18("4","6","4","10","1","4","1") = "9"
    & skf18("4","6","4","10","1","5","1") = "9"
    & skf18("4","6","4","10","1","6","1") = "9"
    & skf18("4","6","4","10","1","7","1") = "9"
    & skf18("4","6","4","10","1","8","1") = "9"
    & skf18("4","6","4","10","1","9","1") = "9"
    & skf18("4","6","4","10","1","10","1") = "9"
    & skf18("4","6","4","10","2","1","1") = "9"
    & skf18("4","6","4","10","2","2","1") = "9"
    & skf18("4","6","4","10","2","3","1") = "9"
    & skf18("4","6","4","10","2","4","1") = "9"
    & skf18("4","6","4","10","2","5","1") = "9"
    & skf18("4","6","4","10","2","6","1") = "9"
    & skf18("4","6","4","10","2","7","1") = "9"
    & skf18("4","6","4","10","2","8","1") = "9"
    & skf18("4","6","4","10","2","9","1") = "9"
    & skf18("4","6","4","10","2","10","1") = "9"
    & skf18("4","6","4","10","3","1","1") = "9"
    & skf18("4","6","4","10","3","2","1") = "9"
    & skf18("4","6","4","10","3","3","1") = "9"
    & skf18("4","6","4","10","3","4","1") = "9"
    & skf18("4","6","4","10","3","5","1") = "9"
    & skf18("4","6","4","10","3","6","1") = "9"
    & skf18("4","6","4","10","3","7","1") = "9"
    & skf18("4","6","4","10","3","8","1") = "9"
    & skf18("4","6","4","10","3","9","1") = "9"
    & skf18("4","6","4","10","3","10","1") = "9"
    & skf18("4","6","4","10","4","1","1") = "9"
    & skf18("4","6","4","10","4","2","1") = "9"
    & skf18("4","6","4","10","4","3","1") = "9"
    & skf18("4","6","4","10","4","4","1") = "9"
    & skf18("4","6","4","10","4","5","1") = "9"
    & skf18("4","6","4","10","4","6","1") = "9"
    & skf18("4","6","4","10","4","7","1") = "9"
    & skf18("4","6","4","10","4","8","1") = "9"
    & skf18("4","6","4","10","4","9","1") = "9"
    & skf18("4","6","4","10","4","10","1") = "9"
    & skf18("4","6","4","10","5","1","1") = "9"
    & skf18("4","6","4","10","5","2","1") = "9"
    & skf18("4","6","4","10","5","3","1") = "9"
    & skf18("4","6","4","10","5","4","1") = "9"
    & skf18("4","6","4","10","5","5","1") = "9"
    & skf18("4","6","4","10","5","6","1") = "9"
    & skf18("4","6","4","10","5","7","1") = "9"
    & skf18("4","6","4","10","5","8","1") = "9"
    & skf18("4","6","4","10","5","9","1") = "9"
    & skf18("4","6","4","10","5","10","1") = "9"
    & skf18("4","6","4","10","6","1","1") = "9"
    & skf18("4","6","4","10","6","2","1") = "9"
    & skf18("4","6","4","10","6","3","1") = "9"
    & skf18("4","6","4","10","6","4","1") = "9"
    & skf18("4","6","4","10","6","5","1") = "9"
    & skf18("4","6","4","10","6","6","1") = "9"
    & skf18("4","6","4","10","6","7","1") = "9"
    & skf18("4","6","4","10","6","8","1") = "9"
    & skf18("4","6","4","10","6","9","1") = "9"
    & skf18("4","6","4","10","6","10","1") = "9"
    & skf18("4","6","4","10","7","1","1") = "9"
    & skf18("4","6","4","10","7","2","1") = "9"
    & skf18("4","6","4","10","7","3","1") = "9"
    & skf18("4","6","4","10","7","4","1") = "9"
    & skf18("4","6","4","10","7","5","1") = "9"
    & skf18("4","6","4","10","7","6","1") = "9"
    & skf18("4","6","4","10","7","7","1") = "9"
    & skf18("4","6","4","10","7","8","1") = "9"
    & skf18("4","6","4","10","7","9","1") = "9"
    & skf18("4","6","4","10","7","10","1") = "9"
    & skf18("4","6","4","10","8","1","1") = "9"
    & skf18("4","6","4","10","8","2","1") = "9"
    & skf18("4","6","4","10","8","3","1") = "9"
    & skf18("4","6","4","10","8","4","1") = "9"
    & skf18("4","6","4","10","8","5","1") = "9"
    & skf18("4","6","4","10","8","6","1") = "9"
    & skf18("4","6","4","10","8","7","1") = "9"
    & skf18("4","6","4","10","8","8","1") = "9"
    & skf18("4","6","4","10","8","9","1") = "9"
    & skf18("4","6","4","10","8","10","1") = "9"
    & skf18("4","6","4","10","9","1","1") = "9"
    & skf18("4","6","4","10","9","2","1") = "9"
    & skf18("4","6","4","10","9","3","1") = "9"
    & skf18("4","6","4","10","9","4","1") = "9"
    & skf18("4","6","4","10","9","5","1") = "9"
    & skf18("4","6","4","10","9","6","1") = "9"
    & skf18("4","6","4","10","9","7","1") = "9"
    & skf18("4","6","4","10","9","8","1") = "9"
    & skf18("4","6","4","10","9","9","1") = "9"
    & skf18("4","6","4","10","9","10","1") = "9"
    & skf18("4","6","4","10","10","1","1") = "9"
    & skf18("4","6","4","10","10","2","1") = "9"
    & skf18("4","6","4","10","10","3","1") = "9"
    & skf18("4","6","4","10","10","4","1") = "9"
    & skf18("4","6","4","10","10","5","1") = "9"
    & skf18("4","6","4","10","10","6","1") = "9"
    & skf18("4","6","4","10","10","7","1") = "9"
    & skf18("4","6","4","10","10","8","1") = "9"
    & skf18("4","6","4","10","10","9","1") = "9"
    & skf18("4","6","4","10","10","10","1") = "9"
    & skf18("4","6","5","1","1","1","1") = "5"
    & skf18("4","6","5","1","1","2","1") = "5"
    & skf18("4","6","5","1","1","3","1") = "5"
    & skf18("4","6","5","1","1","4","1") = "5"
    & skf18("4","6","5","1","1","5","1") = "5"
    & skf18("4","6","5","1","1","6","1") = "5"
    & skf18("4","6","5","1","1","7","1") = "6"
    & skf18("4","6","5","1","1","8","1") = "7"
    & skf18("4","6","5","1","1","9","1") = "8"
    & skf18("4","6","5","1","1","10","1") = "9"
    & skf18("4","6","5","1","2","1","1") = "5"
    & skf18("4","6","5","1","2","2","1") = "5"
    & skf18("4","6","5","1","2","3","1") = "5"
    & skf18("4","6","5","1","2","4","1") = "5"
    & skf18("4","6","5","1","2","5","1") = "5"
    & skf18("4","6","5","1","2","6","1") = "5"
    & skf18("4","6","5","1","2","7","1") = "6"
    & skf18("4","6","5","1","2","8","1") = "7"
    & skf18("4","6","5","1","2","9","1") = "8"
    & skf18("4","6","5","1","2","10","1") = "9"
    & skf18("4","6","5","1","3","1","1") = "5"
    & skf18("4","6","5","1","3","2","1") = "5"
    & skf18("4","6","5","1","3","3","1") = "5"
    & skf18("4","6","5","1","3","4","1") = "5"
    & skf18("4","6","5","1","3","5","1") = "5"
    & skf18("4","6","5","1","3","6","1") = "5"
    & skf18("4","6","5","1","3","7","1") = "6"
    & skf18("4","6","5","1","3","8","1") = "7"
    & skf18("4","6","5","1","3","9","1") = "8"
    & skf18("4","6","5","1","3","10","1") = "9"
    & skf18("4","6","5","1","4","1","1") = "5"
    & skf18("4","6","5","1","4","2","1") = "5"
    & skf18("4","6","5","1","4","3","1") = "5"
    & skf18("4","6","5","1","4","4","1") = "5"
    & skf18("4","6","5","1","4","5","1") = "5"
    & skf18("4","6","5","1","4","6","1") = "5"
    & skf18("4","6","5","1","4","7","1") = "6"
    & skf18("4","6","5","1","4","8","1") = "7"
    & skf18("4","6","5","1","4","9","1") = "8"
    & skf18("4","6","5","1","4","10","1") = "9"
    & skf18("4","6","5","1","5","1","1") = "5"
    & skf18("4","6","5","1","5","2","1") = "5"
    & skf18("4","6","5","1","5","3","1") = "5"
    & skf18("4","6","5","1","5","4","1") = "5"
    & skf18("4","6","5","1","5","5","1") = "5"
    & skf18("4","6","5","1","5","6","1") = "5"
    & skf18("4","6","5","1","5","7","1") = "6"
    & skf18("4","6","5","1","5","8","1") = "7"
    & skf18("4","6","5","1","5","9","1") = "8"
    & skf18("4","6","5","1","5","10","1") = "9"
    & skf18("4","6","5","1","6","1","1") = "5"
    & skf18("4","6","5","1","6","2","1") = "5"
    & skf18("4","6","5","1","6","3","1") = "5"
    & skf18("4","6","5","1","6","4","1") = "5"
    & skf18("4","6","5","1","6","5","1") = "5"
    & skf18("4","6","5","1","6","6","1") = "5"
    & skf18("4","6","5","1","6","7","1") = "6"
    & skf18("4","6","5","1","6","8","1") = "7"
    & skf18("4","6","5","1","6","9","1") = "8"
    & skf18("4","6","5","1","6","10","1") = "9"
    & skf18("4","6","5","1","7","1","1") = "6"
    & skf18("4","6","5","1","7","2","1") = "6"
    & skf18("4","6","5","1","7","3","1") = "6"
    & skf18("4","6","5","1","7","4","1") = "6"
    & skf18("4","6","5","1","7","5","1") = "6"
    & skf18("4","6","5","1","7","6","1") = "6"
    & skf18("4","6","5","1","7","7","1") = "6"
    & skf18("4","6","5","1","7","8","1") = "7"
    & skf18("4","6","5","1","7","9","1") = "8"
    & skf18("4","6","5","1","7","10","1") = "9"
    & skf18("4","6","5","1","8","1","1") = "7"
    & skf18("4","6","5","1","8","2","1") = "7"
    & skf18("4","6","5","1","8","3","1") = "7"
    & skf18("4","6","5","1","8","4","1") = "7"
    & skf18("4","6","5","1","8","5","1") = "7"
    & skf18("4","6","5","1","8","6","1") = "7"
    & skf18("4","6","5","1","8","7","1") = "7"
    & skf18("4","6","5","1","8","8","1") = "7"
    & skf18("4","6","5","1","8","9","1") = "8"
    & skf18("4","6","5","1","8","10","1") = "9"
    & skf18("4","6","5","1","9","1","1") = "8"
    & skf18("4","6","5","1","9","2","1") = "8"
    & skf18("4","6","5","1","9","3","1") = "8"
    & skf18("4","6","5","1","9","4","1") = "8"
    & skf18("4","6","5","1","9","5","1") = "8"
    & skf18("4","6","5","1","9","6","1") = "8"
    & skf18("4","6","5","1","9","7","1") = "8"
    & skf18("4","6","5","1","9","8","1") = "8"
    & skf18("4","6","5","1","9","9","1") = "8"
    & skf18("4","6","5","1","9","10","1") = "9"
    & skf18("4","6","5","1","10","1","1") = "9"
    & skf18("4","6","5","1","10","2","1") = "9"
    & skf18("4","6","5","1","10","3","1") = "9"
    & skf18("4","6","5","1","10","4","1") = "9"
    & skf18("4","6","5","1","10","5","1") = "9"
    & skf18("4","6","5","1","10","6","1") = "9"
    & skf18("4","6","5","1","10","7","1") = "9"
    & skf18("4","6","5","1","10","8","1") = "9"
    & skf18("4","6","5","1","10","9","1") = "9"
    & skf18("4","6","5","1","10","10","1") = "9"
    & skf18("4","6","5","2","1","1","1") = "5"
    & skf18("4","6","5","2","1","2","1") = "5"
    & skf18("4","6","5","2","1","3","1") = "5"
    & skf18("4","6","5","2","1","4","1") = "5"
    & skf18("4","6","5","2","1","5","1") = "5"
    & skf18("4","6","5","2","1","6","1") = "5"
    & skf18("4","6","5","2","1","7","1") = "6"
    & skf18("4","6","5","2","1","8","1") = "7"
    & skf18("4","6","5","2","1","9","1") = "8"
    & skf18("4","6","5","2","1","10","1") = "9"
    & skf18("4","6","5","2","2","1","1") = "5"
    & skf18("4","6","5","2","2","2","1") = "5"
    & skf18("4","6","5","2","2","3","1") = "5"
    & skf18("4","6","5","2","2","4","1") = "5"
    & skf18("4","6","5","2","2","5","1") = "5"
    & skf18("4","6","5","2","2","6","1") = "5"
    & skf18("4","6","5","2","2","7","1") = "6"
    & skf18("4","6","5","2","2","8","1") = "7"
    & skf18("4","6","5","2","2","9","1") = "8"
    & skf18("4","6","5","2","2","10","1") = "9"
    & skf18("4","6","5","2","3","1","1") = "5"
    & skf18("4","6","5","2","3","2","1") = "5"
    & skf18("4","6","5","2","3","3","1") = "5"
    & skf18("4","6","5","2","3","4","1") = "5"
    & skf18("4","6","5","2","3","5","1") = "5"
    & skf18("4","6","5","2","3","6","1") = "5"
    & skf18("4","6","5","2","3","7","1") = "6"
    & skf18("4","6","5","2","3","8","1") = "7"
    & skf18("4","6","5","2","3","9","1") = "8"
    & skf18("4","6","5","2","3","10","1") = "9"
    & skf18("4","6","5","2","4","1","1") = "5"
    & skf18("4","6","5","2","4","2","1") = "5"
    & skf18("4","6","5","2","4","3","1") = "5"
    & skf18("4","6","5","2","4","4","1") = "5"
    & skf18("4","6","5","2","4","5","1") = "5"
    & skf18("4","6","5","2","4","6","1") = "5"
    & skf18("4","6","5","2","4","7","1") = "6"
    & skf18("4","6","5","2","4","8","1") = "7"
    & skf18("4","6","5","2","4","9","1") = "8"
    & skf18("4","6","5","2","4","10","1") = "9"
    & skf18("4","6","5","2","5","1","1") = "5"
    & skf18("4","6","5","2","5","2","1") = "5"
    & skf18("4","6","5","2","5","3","1") = "5"
    & skf18("4","6","5","2","5","4","1") = "5"
    & skf18("4","6","5","2","5","5","1") = "5"
    & skf18("4","6","5","2","5","6","1") = "5"
    & skf18("4","6","5","2","5","7","1") = "6"
    & skf18("4","6","5","2","5","8","1") = "7"
    & skf18("4","6","5","2","5","9","1") = "8"
    & skf18("4","6","5","2","5","10","1") = "9"
    & skf18("4","6","5","2","6","1","1") = "5"
    & skf18("4","6","5","2","6","2","1") = "5"
    & skf18("4","6","5","2","6","3","1") = "5"
    & skf18("4","6","5","2","6","4","1") = "5"
    & skf18("4","6","5","2","6","5","1") = "5"
    & skf18("4","6","5","2","6","6","1") = "5"
    & skf18("4","6","5","2","6","7","1") = "6"
    & skf18("4","6","5","2","6","8","1") = "7"
    & skf18("4","6","5","2","6","9","1") = "8"
    & skf18("4","6","5","2","6","10","1") = "9"
    & skf18("4","6","5","2","7","1","1") = "6"
    & skf18("4","6","5","2","7","2","1") = "6"
    & skf18("4","6","5","2","7","3","1") = "6"
    & skf18("4","6","5","2","7","4","1") = "6"
    & skf18("4","6","5","2","7","5","1") = "6"
    & skf18("4","6","5","2","7","6","1") = "6"
    & skf18("4","6","5","2","7","7","1") = "6"
    & skf18("4","6","5","2","7","8","1") = "7"
    & skf18("4","6","5","2","7","9","1") = "8"
    & skf18("4","6","5","2","7","10","1") = "9"
    & skf18("4","6","5","2","8","1","1") = "7"
    & skf18("4","6","5","2","8","2","1") = "7"
    & skf18("4","6","5","2","8","3","1") = "7"
    & skf18("4","6","5","2","8","4","1") = "7"
    & skf18("4","6","5","2","8","5","1") = "7"
    & skf18("4","6","5","2","8","6","1") = "7"
    & skf18("4","6","5","2","8","7","1") = "7"
    & skf18("4","6","5","2","8","8","1") = "7"
    & skf18("4","6","5","2","8","9","1") = "8"
    & skf18("4","6","5","2","8","10","1") = "9"
    & skf18("4","6","5","2","9","1","1") = "8"
    & skf18("4","6","5","2","9","2","1") = "8"
    & skf18("4","6","5","2","9","3","1") = "8"
    & skf18("4","6","5","2","9","4","1") = "8"
    & skf18("4","6","5","2","9","5","1") = "8"
    & skf18("4","6","5","2","9","6","1") = "8"
    & skf18("4","6","5","2","9","7","1") = "8"
    & skf18("4","6","5","2","9","8","1") = "8"
    & skf18("4","6","5","2","9","9","1") = "8"
    & skf18("4","6","5","2","9","10","1") = "9"
    & skf18("4","6","5","2","10","1","1") = "9"
    & skf18("4","6","5","2","10","2","1") = "9"
    & skf18("4","6","5","2","10","3","1") = "9"
    & skf18("4","6","5","2","10","4","1") = "9"
    & skf18("4","6","5","2","10","5","1") = "9"
    & skf18("4","6","5","2","10","6","1") = "9"
    & skf18("4","6","5","2","10","7","1") = "9"
    & skf18("4","6","5","2","10","8","1") = "9"
    & skf18("4","6","5","2","10","9","1") = "9"
    & skf18("4","6","5","2","10","10","1") = "9"
    & skf18("4","6","5","3","1","1","1") = "5"
    & skf18("4","6","5","3","1","2","1") = "5"
    & skf18("4","6","5","3","1","3","1") = "5"
    & skf18("4","6","5","3","1","4","1") = "5"
    & skf18("4","6","5","3","1","5","1") = "5"
    & skf18("4","6","5","3","1","6","1") = "5"
    & skf18("4","6","5","3","1","7","1") = "6"
    & skf18("4","6","5","3","1","8","1") = "7"
    & skf18("4","6","5","3","1","9","1") = "8"
    & skf18("4","6","5","3","1","10","1") = "9"
    & skf18("4","6","5","3","2","1","1") = "5"
    & skf18("4","6","5","3","2","2","1") = "5"
    & skf18("4","6","5","3","2","3","1") = "5"
    & skf18("4","6","5","3","2","4","1") = "5"
    & skf18("4","6","5","3","2","5","1") = "5"
    & skf18("4","6","5","3","2","6","1") = "5"
    & skf18("4","6","5","3","2","7","1") = "6"
    & skf18("4","6","5","3","2","8","1") = "7"
    & skf18("4","6","5","3","2","9","1") = "8"
    & skf18("4","6","5","3","2","10","1") = "9"
    & skf18("4","6","5","3","3","1","1") = "5"
    & skf18("4","6","5","3","3","2","1") = "5"
    & skf18("4","6","5","3","3","3","1") = "5"
    & skf18("4","6","5","3","3","4","1") = "5"
    & skf18("4","6","5","3","3","5","1") = "5"
    & skf18("4","6","5","3","3","6","1") = "5"
    & skf18("4","6","5","3","3","7","1") = "6"
    & skf18("4","6","5","3","3","8","1") = "7"
    & skf18("4","6","5","3","3","9","1") = "8"
    & skf18("4","6","5","3","3","10","1") = "9"
    & skf18("4","6","5","3","4","1","1") = "5"
    & skf18("4","6","5","3","4","2","1") = "5"
    & skf18("4","6","5","3","4","3","1") = "5"
    & skf18("4","6","5","3","4","4","1") = "5"
    & skf18("4","6","5","3","4","5","1") = "5"
    & skf18("4","6","5","3","4","6","1") = "5"
    & skf18("4","6","5","3","4","7","1") = "6"
    & skf18("4","6","5","3","4","8","1") = "7"
    & skf18("4","6","5","3","4","9","1") = "8"
    & skf18("4","6","5","3","4","10","1") = "9"
    & skf18("4","6","5","3","5","1","1") = "5"
    & skf18("4","6","5","3","5","2","1") = "5"
    & skf18("4","6","5","3","5","3","1") = "5"
    & skf18("4","6","5","3","5","4","1") = "5"
    & skf18("4","6","5","3","5","5","1") = "5"
    & skf18("4","6","5","3","5","6","1") = "5"
    & skf18("4","6","5","3","5","7","1") = "6"
    & skf18("4","6","5","3","5","8","1") = "7"
    & skf18("4","6","5","3","5","9","1") = "8"
    & skf18("4","6","5","3","5","10","1") = "9"
    & skf18("4","6","5","3","6","1","1") = "5"
    & skf18("4","6","5","3","6","2","1") = "5"
    & skf18("4","6","5","3","6","3","1") = "5"
    & skf18("4","6","5","3","6","4","1") = "5"
    & skf18("4","6","5","3","6","5","1") = "5"
    & skf18("4","6","5","3","6","6","1") = "5"
    & skf18("4","6","5","3","6","7","1") = "6"
    & skf18("4","6","5","3","6","8","1") = "7"
    & skf18("4","6","5","3","6","9","1") = "8"
    & skf18("4","6","5","3","6","10","1") = "9"
    & skf18("4","6","5","3","7","1","1") = "6"
    & skf18("4","6","5","3","7","2","1") = "6"
    & skf18("4","6","5","3","7","3","1") = "6"
    & skf18("4","6","5","3","7","4","1") = "6"
    & skf18("4","6","5","3","7","5","1") = "6"
    & skf18("4","6","5","3","7","6","1") = "6"
    & skf18("4","6","5","3","7","7","1") = "6"
    & skf18("4","6","5","3","7","8","1") = "7"
    & skf18("4","6","5","3","7","9","1") = "8"
    & skf18("4","6","5","3","7","10","1") = "9"
    & skf18("4","6","5","3","8","1","1") = "7"
    & skf18("4","6","5","3","8","2","1") = "7"
    & skf18("4","6","5","3","8","3","1") = "7"
    & skf18("4","6","5","3","8","4","1") = "7"
    & skf18("4","6","5","3","8","5","1") = "7"
    & skf18("4","6","5","3","8","6","1") = "7"
    & skf18("4","6","5","3","8","7","1") = "7"
    & skf18("4","6","5","3","8","8","1") = "7"
    & skf18("4","6","5","3","8","9","1") = "8"
    & skf18("4","6","5","3","8","10","1") = "9"
    & skf18("4","6","5","3","9","1","1") = "8"
    & skf18("4","6","5","3","9","2","1") = "8"
    & skf18("4","6","5","3","9","3","1") = "8"
    & skf18("4","6","5","3","9","4","1") = "8"
    & skf18("4","6","5","3","9","5","1") = "8"
    & skf18("4","6","5","3","9","6","1") = "8"
    & skf18("4","6","5","3","9","7","1") = "8"
    & skf18("4","6","5","3","9","8","1") = "8"
    & skf18("4","6","5","3","9","9","1") = "8"
    & skf18("4","6","5","3","9","10","1") = "9"
    & skf18("4","6","5","3","10","1","1") = "9"
    & skf18("4","6","5","3","10","2","1") = "9"
    & skf18("4","6","5","3","10","3","1") = "9"
    & skf18("4","6","5","3","10","4","1") = "9"
    & skf18("4","6","5","3","10","5","1") = "9"
    & skf18("4","6","5","3","10","6","1") = "9"
    & skf18("4","6","5","3","10","7","1") = "9"
    & skf18("4","6","5","3","10","8","1") = "9"
    & skf18("4","6","5","3","10","9","1") = "9"
    & skf18("4","6","5","3","10","10","1") = "9"
    & skf18("4","6","5","4","1","1","1") = "5"
    & skf18("4","6","5","4","1","2","1") = "5"
    & skf18("4","6","5","4","1","3","1") = "5"
    & skf18("4","6","5","4","1","4","1") = "5"
    & skf18("4","6","5","4","1","5","1") = "4"
    & skf18("4","6","5","4","1","6","1") = "5"
    & skf18("4","6","5","4","1","7","1") = "6"
    & skf18("4","6","5","4","1","8","1") = "7"
    & skf18("4","6","5","4","1","9","1") = "8"
    & skf18("4","6","5","4","1","10","1") = "9"
    & skf18("4","6","5","4","2","1","1") = "5"
    & skf18("4","6","5","4","2","2","1") = "5"
    & skf18("4","6","5","4","2","3","1") = "5"
    & skf18("4","6","5","4","2","4","1") = "5"
    & skf18("4","6","5","4","2","5","1") = "5"
    & skf18("4","6","5","4","2","6","1") = "5"
    & skf18("4","6","5","4","2","7","1") = "6"
    & skf18("4","6","5","4","2","8","1") = "7"
    & skf18("4","6","5","4","2","9","1") = "8"
    & skf18("4","6","5","4","2","10","1") = "9"
    & skf18("4","6","5","4","3","1","1") = "5"
    & skf18("4","6","5","4","3","2","1") = "5"
    & skf18("4","6","5","4","3","3","1") = "5"
    & skf18("4","6","5","4","3","4","1") = "5"
    & skf18("4","6","5","4","3","5","1") = "5"
    & skf18("4","6","5","4","3","6","1") = "5"
    & skf18("4","6","5","4","3","7","1") = "6"
    & skf18("4","6","5","4","3","8","1") = "7"
    & skf18("4","6","5","4","3","9","1") = "8"
    & skf18("4","6","5","4","3","10","1") = "9"
    & skf18("4","6","5","4","4","1","1") = "5"
    & skf18("4","6","5","4","4","2","1") = "5"
    & skf18("4","6","5","4","4","3","1") = "5"
    & skf18("4","6","5","4","4","4","1") = "5"
    & skf18("4","6","5","4","4","5","1") = "5"
    & skf18("4","6","5","4","4","6","1") = "5"
    & skf18("4","6","5","4","4","7","1") = "6"
    & skf18("4","6","5","4","4","8","1") = "7"
    & skf18("4","6","5","4","4","9","1") = "8"
    & skf18("4","6","5","4","4","10","1") = "9"
    & skf18("4","6","5","4","5","1","1") = "5"
    & skf18("4","6","5","4","5","2","1") = "5"
    & skf18("4","6","5","4","5","3","1") = "5"
    & skf18("4","6","5","4","5","4","1") = "5"
    & skf18("4","6","5","4","5","5","1") = "5"
    & skf18("4","6","5","4","5","6","1") = "5"
    & skf18("4","6","5","4","5","7","1") = "6"
    & skf18("4","6","5","4","5","8","1") = "7"
    & skf18("4","6","5","4","5","9","1") = "8"
    & skf18("4","6","5","4","5","10","1") = "9"
    & skf18("4","6","5","4","6","1","1") = "5"
    & skf18("4","6","5","4","6","2","1") = "5"
    & skf18("4","6","5","4","6","3","1") = "5"
    & skf18("4","6","5","4","6","4","1") = "5"
    & skf18("4","6","5","4","6","5","1") = "5"
    & skf18("4","6","5","4","6","6","1") = "5"
    & skf18("4","6","5","4","6","7","1") = "6"
    & skf18("4","6","5","4","6","8","1") = "7"
    & skf18("4","6","5","4","6","9","1") = "8"
    & skf18("4","6","5","4","6","10","1") = "9"
    & skf18("4","6","5","4","7","1","1") = "6"
    & skf18("4","6","5","4","7","2","1") = "6"
    & skf18("4","6","5","4","7","3","1") = "6"
    & skf18("4","6","5","4","7","4","1") = "6"
    & skf18("4","6","5","4","7","5","1") = "6"
    & skf18("4","6","5","4","7","6","1") = "6"
    & skf18("4","6","5","4","7","7","1") = "6"
    & skf18("4","6","5","4","7","8","1") = "7"
    & skf18("4","6","5","4","7","9","1") = "8"
    & skf18("4","6","5","4","7","10","1") = "9"
    & skf18("4","6","5","4","8","1","1") = "7"
    & skf18("4","6","5","4","8","2","1") = "7"
    & skf18("4","6","5","4","8","3","1") = "7"
    & skf18("4","6","5","4","8","4","1") = "7"
    & skf18("4","6","5","4","8","5","1") = "7"
    & skf18("4","6","5","4","8","6","1") = "7"
    & skf18("4","6","5","4","8","7","1") = "7"
    & skf18("4","6","5","4","8","8","1") = "7"
    & skf18("4","6","5","4","8","9","1") = "8"
    & skf18("4","6","5","4","8","10","1") = "9"
    & skf18("4","6","5","4","9","1","1") = "8"
    & skf18("4","6","5","4","9","2","1") = "8"
    & skf18("4","6","5","4","9","3","1") = "8"
    & skf18("4","6","5","4","9","4","1") = "8"
    & skf18("4","6","5","4","9","5","1") = "8"
    & skf18("4","6","5","4","9","6","1") = "8"
    & skf18("4","6","5","4","9","7","1") = "8"
    & skf18("4","6","5","4","9","8","1") = "8"
    & skf18("4","6","5","4","9","9","1") = "8"
    & skf18("4","6","5","4","9","10","1") = "9"
    & skf18("4","6","5","4","10","1","1") = "9"
    & skf18("4","6","5","4","10","2","1") = "9"
    & skf18("4","6","5","4","10","3","1") = "9"
    & skf18("4","6","5","4","10","4","1") = "9"
    & skf18("4","6","5","4","10","5","1") = "9"
    & skf18("4","6","5","4","10","6","1") = "9"
    & skf18("4","6","5","4","10","7","1") = "9"
    & skf18("4","6","5","4","10","8","1") = "9"
    & skf18("4","6","5","4","10","9","1") = "9"
    & skf18("4","6","5","4","10","10","1") = "9"
    & skf18("4","6","5","5","1","1","1") = "5"
    & skf18("4","6","5","5","1","2","1") = "5"
    & skf18("4","6","5","5","1","3","1") = "5"
    & skf18("4","6","5","5","1","4","1") = "5"
    & skf18("4","6","5","5","1","5","1") = "5"
    & skf18("4","6","5","5","1","6","1") = "5"
    & skf18("4","6","5","5","1","7","1") = "6"
    & skf18("4","6","5","5","1","8","1") = "7"
    & skf18("4","6","5","5","1","9","1") = "8"
    & skf18("4","6","5","5","1","10","1") = "9"
    & skf18("4","6","5","5","2","1","1") = "5"
    & skf18("4","6","5","5","2","2","1") = "5"
    & skf18("4","6","5","5","2","3","1") = "5"
    & skf18("4","6","5","5","2","4","1") = "5"
    & skf18("4","6","5","5","2","5","1") = "5"
    & skf18("4","6","5","5","2","6","1") = "5"
    & skf18("4","6","5","5","2","7","1") = "6"
    & skf18("4","6","5","5","2","8","1") = "7"
    & skf18("4","6","5","5","2","9","1") = "8"
    & skf18("4","6","5","5","2","10","1") = "9"
    & skf18("4","6","5","5","3","1","1") = "5"
    & skf18("4","6","5","5","3","2","1") = "5"
    & skf18("4","6","5","5","3","3","1") = "5"
    & skf18("4","6","5","5","3","4","1") = "5"
    & skf18("4","6","5","5","3","5","1") = "5"
    & skf18("4","6","5","5","3","6","1") = "5"
    & skf18("4","6","5","5","3","7","1") = "6"
    & skf18("4","6","5","5","3","8","1") = "7"
    & skf18("4","6","5","5","3","9","1") = "8"
    & skf18("4","6","5","5","3","10","1") = "9"
    & skf18("4","6","5","5","4","1","1") = "5"
    & skf18("4","6","5","5","4","2","1") = "5"
    & skf18("4","6","5","5","4","3","1") = "5"
    & skf18("4","6","5","5","4","4","1") = "5"
    & skf18("4","6","5","5","4","5","1") = "5"
    & skf18("4","6","5","5","4","6","1") = "5"
    & skf18("4","6","5","5","4","7","1") = "6"
    & skf18("4","6","5","5","4","8","1") = "7"
    & skf18("4","6","5","5","4","9","1") = "8"
    & skf18("4","6","5","5","4","10","1") = "9"
    & skf18("4","6","5","5","5","1","1") = "5"
    & skf18("4","6","5","5","5","2","1") = "5"
    & skf18("4","6","5","5","5","3","1") = "5"
    & skf18("4","6","5","5","5","4","1") = "5"
    & skf18("4","6","5","5","5","5","1") = "5"
    & skf18("4","6","5","5","5","6","1") = "5"
    & skf18("4","6","5","5","5","7","1") = "6"
    & skf18("4","6","5","5","5","8","1") = "7"
    & skf18("4","6","5","5","5","9","1") = "8"
    & skf18("4","6","5","5","5","10","1") = "9"
    & skf18("4","6","5","5","6","1","1") = "5"
    & skf18("4","6","5","5","6","2","1") = "5"
    & skf18("4","6","5","5","6","3","1") = "5"
    & skf18("4","6","5","5","6","4","1") = "5"
    & skf18("4","6","5","5","6","5","1") = "5"
    & skf18("4","6","5","5","6","6","1") = "5"
    & skf18("4","6","5","5","6","7","1") = "6"
    & skf18("4","6","5","5","6","8","1") = "7"
    & skf18("4","6","5","5","6","9","1") = "8"
    & skf18("4","6","5","5","6","10","1") = "9"
    & skf18("4","6","5","5","7","1","1") = "6"
    & skf18("4","6","5","5","7","2","1") = "6"
    & skf18("4","6","5","5","7","3","1") = "6"
    & skf18("4","6","5","5","7","4","1") = "6"
    & skf18("4","6","5","5","7","5","1") = "6"
    & skf18("4","6","5","5","7","6","1") = "6"
    & skf18("4","6","5","5","7","7","1") = "6"
    & skf18("4","6","5","5","7","8","1") = "7"
    & skf18("4","6","5","5","7","9","1") = "8"
    & skf18("4","6","5","5","7","10","1") = "9"
    & skf18("4","6","5","5","8","1","1") = "7"
    & skf18("4","6","5","5","8","2","1") = "7"
    & skf18("4","6","5","5","8","3","1") = "7"
    & skf18("4","6","5","5","8","4","1") = "7"
    & skf18("4","6","5","5","8","5","1") = "7"
    & skf18("4","6","5","5","8","6","1") = "7"
    & skf18("4","6","5","5","8","7","1") = "7"
    & skf18("4","6","5","5","8","8","1") = "7"
    & skf18("4","6","5","5","8","9","1") = "8"
    & skf18("4","6","5","5","8","10","1") = "9"
    & skf18("4","6","5","5","9","1","1") = "8"
    & skf18("4","6","5","5","9","2","1") = "8"
    & skf18("4","6","5","5","9","3","1") = "8"
    & skf18("4","6","5","5","9","4","1") = "8"
    & skf18("4","6","5","5","9","5","1") = "8"
    & skf18("4","6","5","5","9","6","1") = "8"
    & skf18("4","6","5","5","9","7","1") = "8"
    & skf18("4","6","5","5","9","8","1") = "8"
    & skf18("4","6","5","5","9","9","1") = "8"
    & skf18("4","6","5","5","9","10","1") = "9"
    & skf18("4","6","5","5","10","1","1") = "9"
    & skf18("4","6","5","5","10","2","1") = "9"
    & skf18("4","6","5","5","10","3","1") = "9"
    & skf18("4","6","5","5","10","4","1") = "9"
    & skf18("4","6","5","5","10","5","1") = "9"
    & skf18("4","6","5","5","10","6","1") = "9"
    & skf18("4","6","5","5","10","7","1") = "9"
    & skf18("4","6","5","5","10","8","1") = "9"
    & skf18("4","6","5","5","10","9","1") = "9"
    & skf18("4","6","5","5","10","10","1") = "9"
    & skf18("4","6","5","6","1","1","1") = "5"
    & skf18("4","6","5","6","1","2","1") = "5"
    & skf18("4","6","5","6","1","3","1") = "5"
    & skf18("4","6","5","6","1","4","1") = "5"
    & skf18("4","6","5","6","1","5","1") = "5"
    & skf18("4","6","5","6","1","6","1") = "5"
    & skf18("4","6","5","6","1","7","1") = "6"
    & skf18("4","6","5","6","1","8","1") = "7"
    & skf18("4","6","5","6","1","9","1") = "8"
    & skf18("4","6","5","6","1","10","1") = "9"
    & skf18("4","6","5","6","2","1","1") = "5"
    & skf18("4","6","5","6","2","2","1") = "5"
    & skf18("4","6","5","6","2","3","1") = "5"
    & skf18("4","6","5","6","2","4","1") = "5"
    & skf18("4","6","5","6","2","5","1") = "5"
    & skf18("4","6","5","6","2","6","1") = "5"
    & skf18("4","6","5","6","2","7","1") = "6"
    & skf18("4","6","5","6","2","8","1") = "7"
    & skf18("4","6","5","6","2","9","1") = "8"
    & skf18("4","6","5","6","2","10","1") = "9"
    & skf18("4","6","5","6","3","1","1") = "5"
    & skf18("4","6","5","6","3","2","1") = "5"
    & skf18("4","6","5","6","3","3","1") = "5"
    & skf18("4","6","5","6","3","4","1") = "5"
    & skf18("4","6","5","6","3","5","1") = "5"
    & skf18("4","6","5","6","3","6","1") = "5"
    & skf18("4","6","5","6","3","7","1") = "6"
    & skf18("4","6","5","6","3","8","1") = "7"
    & skf18("4","6","5","6","3","9","1") = "8"
    & skf18("4","6","5","6","3","10","1") = "9"
    & skf18("4","6","5","6","4","1","1") = "5"
    & skf18("4","6","5","6","4","2","1") = "5"
    & skf18("4","6","5","6","4","3","1") = "5"
    & skf18("4","6","5","6","4","4","1") = "5"
    & skf18("4","6","5","6","4","5","1") = "5"
    & skf18("4","6","5","6","4","6","1") = "5"
    & skf18("4","6","5","6","4","7","1") = "6"
    & skf18("4","6","5","6","4","8","1") = "7"
    & skf18("4","6","5","6","4","9","1") = "8"
    & skf18("4","6","5","6","4","10","1") = "9"
    & skf18("4","6","5","6","5","1","1") = "5"
    & skf18("4","6","5","6","5","2","1") = "5"
    & skf18("4","6","5","6","5","3","1") = "5"
    & skf18("4","6","5","6","5","4","1") = "5"
    & skf18("4","6","5","6","5","5","1") = "5"
    & skf18("4","6","5","6","5","6","1") = "5"
    & skf18("4","6","5","6","5","7","1") = "6"
    & skf18("4","6","5","6","5","8","1") = "7"
    & skf18("4","6","5","6","5","9","1") = "8"
    & skf18("4","6","5","6","5","10","1") = "9"
    & skf18("4","6","5","6","6","1","1") = "5"
    & skf18("4","6","5","6","6","2","1") = "5"
    & skf18("4","6","5","6","6","3","1") = "5"
    & skf18("4","6","5","6","6","4","1") = "5"
    & skf18("4","6","5","6","6","5","1") = "5"
    & skf18("4","6","5","6","6","6","1") = "5"
    & skf18("4","6","5","6","6","7","1") = "6"
    & skf18("4","6","5","6","6","8","1") = "7"
    & skf18("4","6","5","6","6","9","1") = "8"
    & skf18("4","6","5","6","6","10","1") = "9"
    & skf18("4","6","5","6","7","1","1") = "6"
    & skf18("4","6","5","6","7","2","1") = "6"
    & skf18("4","6","5","6","7","3","1") = "6"
    & skf18("4","6","5","6","7","4","1") = "6"
    & skf18("4","6","5","6","7","5","1") = "6"
    & skf18("4","6","5","6","7","6","1") = "6"
    & skf18("4","6","5","6","7","7","1") = "6"
    & skf18("4","6","5","6","7","8","1") = "7"
    & skf18("4","6","5","6","7","9","1") = "8"
    & skf18("4","6","5","6","7","10","1") = "9"
    & skf18("4","6","5","6","8","1","1") = "7"
    & skf18("4","6","5","6","8","2","1") = "7"
    & skf18("4","6","5","6","8","3","1") = "7"
    & skf18("4","6","5","6","8","4","1") = "7"
    & skf18("4","6","5","6","8","5","1") = "7"
    & skf18("4","6","5","6","8","6","1") = "7"
    & skf18("4","6","5","6","8","7","1") = "7"
    & skf18("4","6","5","6","8","8","1") = "7"
    & skf18("4","6","5","6","8","9","1") = "8"
    & skf18("4","6","5","6","8","10","1") = "9"
    & skf18("4","6","5","6","9","1","1") = "8"
    & skf18("4","6","5","6","9","2","1") = "8"
    & skf18("4","6","5","6","9","3","1") = "8"
    & skf18("4","6","5","6","9","4","1") = "8"
    & skf18("4","6","5","6","9","5","1") = "8"
    & skf18("4","6","5","6","9","6","1") = "8"
    & skf18("4","6","5","6","9","7","1") = "8"
    & skf18("4","6","5","6","9","8","1") = "8"
    & skf18("4","6","5","6","9","9","1") = "8"
    & skf18("4","6","5","6","9","10","1") = "9"
    & skf18("4","6","5","6","10","1","1") = "9"
    & skf18("4","6","5","6","10","2","1") = "9"
    & skf18("4","6","5","6","10","3","1") = "9"
    & skf18("4","6","5","6","10","4","1") = "9"
    & skf18("4","6","5","6","10","5","1") = "9"
    & skf18("4","6","5","6","10","6","1") = "9"
    & skf18("4","6","5","6","10","7","1") = "9"
    & skf18("4","6","5","6","10","8","1") = "9"
    & skf18("4","6","5","6","10","9","1") = "9"
    & skf18("4","6","5","6","10","10","1") = "9"
    & skf18("4","6","5","7","1","1","1") = "6"
    & skf18("4","6","5","7","1","2","1") = "6"
    & skf18("4","6","5","7","1","3","1") = "6"
    & skf18("4","6","5","7","1","4","1") = "6"
    & skf18("4","6","5","7","1","5","1") = "6"
    & skf18("4","6","5","7","1","6","1") = "6"
    & skf18("4","6","5","7","1","7","1") = "6"
    & skf18("4","6","5","7","1","8","1") = "7"
    & skf18("4","6","5","7","1","9","1") = "8"
    & skf18("4","6","5","7","1","10","1") = "9"
    & skf18("4","6","5","7","2","1","1") = "6"
    & skf18("4","6","5","7","2","2","1") = "6"
    & skf18("4","6","5","7","2","3","1") = "6"
    & skf18("4","6","5","7","2","4","1") = "6"
    & skf18("4","6","5","7","2","5","1") = "6"
    & skf18("4","6","5","7","2","6","1") = "6"
    & skf18("4","6","5","7","2","7","1") = "6"
    & skf18("4","6","5","7","2","8","1") = "7"
    & skf18("4","6","5","7","2","9","1") = "8"
    & skf18("4","6","5","7","2","10","1") = "9"
    & skf18("4","6","5","7","3","1","1") = "6"
    & skf18("4","6","5","7","3","2","1") = "6"
    & skf18("4","6","5","7","3","3","1") = "6"
    & skf18("4","6","5","7","3","4","1") = "6"
    & skf18("4","6","5","7","3","5","1") = "6"
    & skf18("4","6","5","7","3","6","1") = "6"
    & skf18("4","6","5","7","3","7","1") = "6"
    & skf18("4","6","5","7","3","8","1") = "7"
    & skf18("4","6","5","7","3","9","1") = "8"
    & skf18("4","6","5","7","3","10","1") = "9"
    & skf18("4","6","5","7","4","1","1") = "6"
    & skf18("4","6","5","7","4","2","1") = "6"
    & skf18("4","6","5","7","4","3","1") = "6"
    & skf18("4","6","5","7","4","4","1") = "6"
    & skf18("4","6","5","7","4","5","1") = "6"
    & skf18("4","6","5","7","4","6","1") = "6"
    & skf18("4","6","5","7","4","7","1") = "6"
    & skf18("4","6","5","7","4","8","1") = "7"
    & skf18("4","6","5","7","4","9","1") = "8"
    & skf18("4","6","5","7","4","10","1") = "9"
    & skf18("4","6","5","7","5","1","1") = "6"
    & skf18("4","6","5","7","5","2","1") = "6"
    & skf18("4","6","5","7","5","3","1") = "6"
    & skf18("4","6","5","7","5","4","1") = "6"
    & skf18("4","6","5","7","5","5","1") = "6"
    & skf18("4","6","5","7","5","6","1") = "6"
    & skf18("4","6","5","7","5","7","1") = "6"
    & skf18("4","6","5","7","5","8","1") = "7"
    & skf18("4","6","5","7","5","9","1") = "8"
    & skf18("4","6","5","7","5","10","1") = "9"
    & skf18("4","6","5","7","6","1","1") = "6"
    & skf18("4","6","5","7","6","2","1") = "6"
    & skf18("4","6","5","7","6","3","1") = "6"
    & skf18("4","6","5","7","6","4","1") = "6"
    & skf18("4","6","5","7","6","5","1") = "6"
    & skf18("4","6","5","7","6","6","1") = "6"
    & skf18("4","6","5","7","6","7","1") = "6"
    & skf18("4","6","5","7","6","8","1") = "7"
    & skf18("4","6","5","7","6","9","1") = "8"
    & skf18("4","6","5","7","6","10","1") = "9"
    & skf18("4","6","5","7","7","1","1") = "6"
    & skf18("4","6","5","7","7","2","1") = "6"
    & skf18("4","6","5","7","7","3","1") = "6"
    & skf18("4","6","5","7","7","4","1") = "6"
    & skf18("4","6","5","7","7","5","1") = "6"
    & skf18("4","6","5","7","7","6","1") = "6"
    & skf18("4","6","5","7","7","7","1") = "6"
    & skf18("4","6","5","7","7","8","1") = "7"
    & skf18("4","6","5","7","7","9","1") = "8"
    & skf18("4","6","5","7","7","10","1") = "9"
    & skf18("4","6","5","7","8","1","1") = "7"
    & skf18("4","6","5","7","8","2","1") = "7"
    & skf18("4","6","5","7","8","3","1") = "7"
    & skf18("4","6","5","7","8","4","1") = "7"
    & skf18("4","6","5","7","8","5","1") = "7"
    & skf18("4","6","5","7","8","6","1") = "7"
    & skf18("4","6","5","7","8","7","1") = "7"
    & skf18("4","6","5","7","8","8","1") = "7"
    & skf18("4","6","5","7","8","9","1") = "8"
    & skf18("4","6","5","7","8","10","1") = "9"
    & skf18("4","6","5","7","9","1","1") = "8"
    & skf18("4","6","5","7","9","2","1") = "8"
    & skf18("4","6","5","7","9","3","1") = "8"
    & skf18("4","6","5","7","9","4","1") = "8"
    & skf18("4","6","5","7","9","5","1") = "8"
    & skf18("4","6","5","7","9","6","1") = "8"
    & skf18("4","6","5","7","9","7","1") = "8"
    & skf18("4","6","5","7","9","8","1") = "8"
    & skf18("4","6","5","7","9","9","1") = "8"
    & skf18("4","6","5","7","9","10","1") = "9"
    & skf18("4","6","5","7","10","1","1") = "9"
    & skf18("4","6","5","7","10","2","1") = "9"
    & skf18("4","6","5","7","10","3","1") = "9"
    & skf18("4","6","5","7","10","4","1") = "9"
    & skf18("4","6","5","7","10","5","1") = "9"
    & skf18("4","6","5","7","10","6","1") = "9"
    & skf18("4","6","5","7","10","7","1") = "9"
    & skf18("4","6","5","7","10","8","1") = "9"
    & skf18("4","6","5","7","10","9","1") = "9"
    & skf18("4","6","5","7","10","10","1") = "9"
    & skf18("4","6","5","8","1","1","1") = "7"
    & skf18("4","6","5","8","1","2","1") = "7"
    & skf18("4","6","5","8","1","3","1") = "7"
    & skf18("4","6","5","8","1","4","1") = "7"
    & skf18("4","6","5","8","1","5","1") = "7"
    & skf18("4","6","5","8","1","6","1") = "7"
    & skf18("4","6","5","8","1","7","1") = "7"
    & skf18("4","6","5","8","1","8","1") = "7"
    & skf18("4","6","5","8","1","9","1") = "8"
    & skf18("4","6","5","8","1","10","1") = "9"
    & skf18("4","6","5","8","2","1","1") = "7"
    & skf18("4","6","5","8","2","2","1") = "7"
    & skf18("4","6","5","8","2","3","1") = "7"
    & skf18("4","6","5","8","2","4","1") = "7"
    & skf18("4","6","5","8","2","5","1") = "7"
    & skf18("4","6","5","8","2","6","1") = "7"
    & skf18("4","6","5","8","2","7","1") = "7"
    & skf18("4","6","5","8","2","8","1") = "7"
    & skf18("4","6","5","8","2","9","1") = "8"
    & skf18("4","6","5","8","2","10","1") = "9"
    & skf18("4","6","5","8","3","1","1") = "7"
    & skf18("4","6","5","8","3","2","1") = "7"
    & skf18("4","6","5","8","3","3","1") = "7"
    & skf18("4","6","5","8","3","4","1") = "7"
    & skf18("4","6","5","8","3","5","1") = "7"
    & skf18("4","6","5","8","3","6","1") = "7"
    & skf18("4","6","5","8","3","7","1") = "7"
    & skf18("4","6","5","8","3","8","1") = "7"
    & skf18("4","6","5","8","3","9","1") = "8"
    & skf18("4","6","5","8","3","10","1") = "9"
    & skf18("4","6","5","8","4","1","1") = "7"
    & skf18("4","6","5","8","4","2","1") = "7"
    & skf18("4","6","5","8","4","3","1") = "7"
    & skf18("4","6","5","8","4","4","1") = "7"
    & skf18("4","6","5","8","4","5","1") = "7"
    & skf18("4","6","5","8","4","6","1") = "7"
    & skf18("4","6","5","8","4","7","1") = "7"
    & skf18("4","6","5","8","4","8","1") = "7"
    & skf18("4","6","5","8","4","9","1") = "8"
    & skf18("4","6","5","8","4","10","1") = "9"
    & skf18("4","6","5","8","5","1","1") = "7"
    & skf18("4","6","5","8","5","2","1") = "7"
    & skf18("4","6","5","8","5","3","1") = "7"
    & skf18("4","6","5","8","5","4","1") = "7"
    & skf18("4","6","5","8","5","5","1") = "7"
    & skf18("4","6","5","8","5","6","1") = "7"
    & skf18("4","6","5","8","5","7","1") = "7"
    & skf18("4","6","5","8","5","8","1") = "7"
    & skf18("4","6","5","8","5","9","1") = "8"
    & skf18("4","6","5","8","5","10","1") = "9"
    & skf18("4","6","5","8","6","1","1") = "7"
    & skf18("4","6","5","8","6","2","1") = "7"
    & skf18("4","6","5","8","6","3","1") = "7"
    & skf18("4","6","5","8","6","4","1") = "7"
    & skf18("4","6","5","8","6","5","1") = "7"
    & skf18("4","6","5","8","6","6","1") = "7"
    & skf18("4","6","5","8","6","7","1") = "7"
    & skf18("4","6","5","8","6","8","1") = "7"
    & skf18("4","6","5","8","6","9","1") = "8"
    & skf18("4","6","5","8","6","10","1") = "9"
    & skf18("4","6","5","8","7","1","1") = "7"
    & skf18("4","6","5","8","7","2","1") = "7"
    & skf18("4","6","5","8","7","3","1") = "7"
    & skf18("4","6","5","8","7","4","1") = "7"
    & skf18("4","6","5","8","7","5","1") = "7"
    & skf18("4","6","5","8","7","6","1") = "7"
    & skf18("4","6","5","8","7","7","1") = "7"
    & skf18("4","6","5","8","7","8","1") = "7"
    & skf18("4","6","5","8","7","9","1") = "8"
    & skf18("4","6","5","8","7","10","1") = "9"
    & skf18("4","6","5","8","8","1","1") = "7"
    & skf18("4","6","5","8","8","2","1") = "7"
    & skf18("4","6","5","8","8","3","1") = "7"
    & skf18("4","6","5","8","8","4","1") = "7"
    & skf18("4","6","5","8","8","5","1") = "7"
    & skf18("4","6","5","8","8","6","1") = "7"
    & skf18("4","6","5","8","8","7","1") = "7"
    & skf18("4","6","5","8","8","8","1") = "7"
    & skf18("4","6","5","8","8","9","1") = "8"
    & skf18("4","6","5","8","8","10","1") = "9"
    & skf18("4","6","5","8","9","1","1") = "8"
    & skf18("4","6","5","8","9","2","1") = "8"
    & skf18("4","6","5","8","9","3","1") = "8"
    & skf18("4","6","5","8","9","4","1") = "8"
    & skf18("4","6","5","8","9","5","1") = "8"
    & skf18("4","6","5","8","9","6","1") = "8"
    & skf18("4","6","5","8","9","7","1") = "8"
    & skf18("4","6","5","8","9","8","1") = "8"
    & skf18("4","6","5","8","9","9","1") = "8"
    & skf18("4","6","5","8","9","10","1") = "9"
    & skf18("4","6","5","8","10","1","1") = "9"
    & skf18("4","6","5","8","10","2","1") = "9"
    & skf18("4","6","5","8","10","3","1") = "9"
    & skf18("4","6","5","8","10","4","1") = "9"
    & skf18("4","6","5","8","10","5","1") = "9"
    & skf18("4","6","5","8","10","6","1") = "9"
    & skf18("4","6","5","8","10","7","1") = "9"
    & skf18("4","6","5","8","10","8","1") = "9"
    & skf18("4","6","5","8","10","9","1") = "9"
    & skf18("4","6","5","8","10","10","1") = "9"
    & skf18("4","6","5","9","1","1","1") = "8"
    & skf18("4","6","5","9","1","2","1") = "8"
    & skf18("4","6","5","9","1","3","1") = "8"
    & skf18("4","6","5","9","1","4","1") = "8"
    & skf18("4","6","5","9","1","5","1") = "8"
    & skf18("4","6","5","9","1","6","1") = "8"
    & skf18("4","6","5","9","1","7","1") = "8"
    & skf18("4","6","5","9","1","8","1") = "8"
    & skf18("4","6","5","9","1","9","1") = "8"
    & skf18("4","6","5","9","1","10","1") = "9"
    & skf18("4","6","5","9","2","1","1") = "8"
    & skf18("4","6","5","9","2","2","1") = "8"
    & skf18("4","6","5","9","2","3","1") = "8"
    & skf18("4","6","5","9","2","4","1") = "8"
    & skf18("4","6","5","9","2","5","1") = "8"
    & skf18("4","6","5","9","2","6","1") = "8"
    & skf18("4","6","5","9","2","7","1") = "8"
    & skf18("4","6","5","9","2","8","1") = "8"
    & skf18("4","6","5","9","2","9","1") = "8"
    & skf18("4","6","5","9","2","10","1") = "9"
    & skf18("4","6","5","9","3","1","1") = "8"
    & skf18("4","6","5","9","3","2","1") = "8"
    & skf18("4","6","5","9","3","3","1") = "8"
    & skf18("4","6","5","9","3","4","1") = "8"
    & skf18("4","6","5","9","3","5","1") = "8"
    & skf18("4","6","5","9","3","6","1") = "8"
    & skf18("4","6","5","9","3","7","1") = "8"
    & skf18("4","6","5","9","3","8","1") = "8"
    & skf18("4","6","5","9","3","9","1") = "8"
    & skf18("4","6","5","9","3","10","1") = "9"
    & skf18("4","6","5","9","4","1","1") = "8"
    & skf18("4","6","5","9","4","2","1") = "8"
    & skf18("4","6","5","9","4","3","1") = "8"
    & skf18("4","6","5","9","4","4","1") = "8"
    & skf18("4","6","5","9","4","5","1") = "8"
    & skf18("4","6","5","9","4","6","1") = "8"
    & skf18("4","6","5","9","4","7","1") = "8"
    & skf18("4","6","5","9","4","8","1") = "8"
    & skf18("4","6","5","9","4","9","1") = "8"
    & skf18("4","6","5","9","4","10","1") = "9"
    & skf18("4","6","5","9","5","1","1") = "8"
    & skf18("4","6","5","9","5","2","1") = "8"
    & skf18("4","6","5","9","5","3","1") = "8"
    & skf18("4","6","5","9","5","4","1") = "8"
    & skf18("4","6","5","9","5","5","1") = "8"
    & skf18("4","6","5","9","5","6","1") = "8"
    & skf18("4","6","5","9","5","7","1") = "8"
    & skf18("4","6","5","9","5","8","1") = "8"
    & skf18("4","6","5","9","5","9","1") = "8"
    & skf18("4","6","5","9","5","10","1") = "9"
    & skf18("4","6","5","9","6","1","1") = "8"
    & skf18("4","6","5","9","6","2","1") = "8"
    & skf18("4","6","5","9","6","3","1") = "8"
    & skf18("4","6","5","9","6","4","1") = "8"
    & skf18("4","6","5","9","6","5","1") = "8"
    & skf18("4","6","5","9","6","6","1") = "8"
    & skf18("4","6","5","9","6","7","1") = "8"
    & skf18("4","6","5","9","6","8","1") = "8"
    & skf18("4","6","5","9","6","9","1") = "8"
    & skf18("4","6","5","9","6","10","1") = "9"
    & skf18("4","6","5","9","7","1","1") = "8"
    & skf18("4","6","5","9","7","2","1") = "8"
    & skf18("4","6","5","9","7","3","1") = "8"
    & skf18("4","6","5","9","7","4","1") = "8"
    & skf18("4","6","5","9","7","5","1") = "8"
    & skf18("4","6","5","9","7","6","1") = "8"
    & skf18("4","6","5","9","7","7","1") = "8"
    & skf18("4","6","5","9","7","8","1") = "8"
    & skf18("4","6","5","9","7","9","1") = "8"
    & skf18("4","6","5","9","7","10","1") = "9"
    & skf18("4","6","5","9","8","1","1") = "8"
    & skf18("4","6","5","9","8","2","1") = "8"
    & skf18("4","6","5","9","8","3","1") = "8"
    & skf18("4","6","5","9","8","4","1") = "8"
    & skf18("4","6","5","9","8","5","1") = "8"
    & skf18("4","6","5","9","8","6","1") = "8"
    & skf18("4","6","5","9","8","7","1") = "8"
    & skf18("4","6","5","9","8","8","1") = "8"
    & skf18("4","6","5","9","8","9","1") = "8"
    & skf18("4","6","5","9","8","10","1") = "9"
    & skf18("4","6","5","9","9","1","1") = "8"
    & skf18("4","6","5","9","9","2","1") = "8"
    & skf18("4","6","5","9","9","3","1") = "8"
    & skf18("4","6","5","9","9","4","1") = "8"
    & skf18("4","6","5","9","9","5","1") = "8"
    & skf18("4","6","5","9","9","6","1") = "8"
    & skf18("4","6","5","9","9","7","1") = "8"
    & skf18("4","6","5","9","9","8","1") = "8"
    & skf18("4","6","5","9","9","9","1") = "8"
    & skf18("4","6","5","9","9","10","1") = "9"
    & skf18("4","6","5","9","10","1","1") = "9"
    & skf18("4","6","5","9","10","2","1") = "9"
    & skf18("4","6","5","9","10","3","1") = "9"
    & skf18("4","6","5","9","10","4","1") = "9"
    & skf18("4","6","5","9","10","5","1") = "9"
    & skf18("4","6","5","9","10","6","1") = "9"
    & skf18("4","6","5","9","10","7","1") = "9"
    & skf18("4","6","5","9","10","8","1") = "9"
    & skf18("4","6","5","9","10","9","1") = "9"
    & skf18("4","6","5","9","10","10","1") = "9"
    & skf18("4","6","5","10","1","1","1") = "9"
    & skf18("4","6","5","10","1","2","1") = "9"
    & skf18("4","6","5","10","1","3","1") = "9"
    & skf18("4","6","5","10","1","4","1") = "9"
    & skf18("4","6","5","10","1","5","1") = "9"
    & skf18("4","6","5","10","1","6","1") = "9"
    & skf18("4","6","5","10","1","7","1") = "9"
    & skf18("4","6","5","10","1","8","1") = "9"
    & skf18("4","6","5","10","1","9","1") = "9"
    & skf18("4","6","5","10","1","10","1") = "9"
    & skf18("4","6","5","10","2","1","1") = "9"
    & skf18("4","6","5","10","2","2","1") = "9"
    & skf18("4","6","5","10","2","3","1") = "9"
    & skf18("4","6","5","10","2","4","1") = "9"
    & skf18("4","6","5","10","2","5","1") = "9"
    & skf18("4","6","5","10","2","6","1") = "9"
    & skf18("4","6","5","10","2","7","1") = "9"
    & skf18("4","6","5","10","2","8","1") = "9"
    & skf18("4","6","5","10","2","9","1") = "9"
    & skf18("4","6","5","10","2","10","1") = "9"
    & skf18("4","6","5","10","3","1","1") = "9"
    & skf18("4","6","5","10","3","2","1") = "9"
    & skf18("4","6","5","10","3","3","1") = "9"
    & skf18("4","6","5","10","3","4","1") = "9"
    & skf18("4","6","5","10","3","5","1") = "9"
    & skf18("4","6","5","10","3","6","1") = "9"
    & skf18("4","6","5","10","3","7","1") = "9"
    & skf18("4","6","5","10","3","8","1") = "9"
    & skf18("4","6","5","10","3","9","1") = "9"
    & skf18("4","6","5","10","3","10","1") = "9"
    & skf18("4","6","5","10","4","1","1") = "9"
    & skf18("4","6","5","10","4","2","1") = "9"
    & skf18("4","6","5","10","4","3","1") = "9"
    & skf18("4","6","5","10","4","4","1") = "9"
    & skf18("4","6","5","10","4","5","1") = "9"
    & skf18("4","6","5","10","4","6","1") = "9"
    & skf18("4","6","5","10","4","7","1") = "9"
    & skf18("4","6","5","10","4","8","1") = "9"
    & skf18("4","6","5","10","4","9","1") = "9"
    & skf18("4","6","5","10","4","10","1") = "9"
    & skf18("4","6","5","10","5","1","1") = "9"
    & skf18("4","6","5","10","5","2","1") = "9"
    & skf18("4","6","5","10","5","3","1") = "9"
    & skf18("4","6","5","10","5","4","1") = "9"
    & skf18("4","6","5","10","5","5","1") = "9"
    & skf18("4","6","5","10","5","6","1") = "9"
    & skf18("4","6","5","10","5","7","1") = "9"
    & skf18("4","6","5","10","5","8","1") = "9"
    & skf18("4","6","5","10","5","9","1") = "9"
    & skf18("4","6","5","10","5","10","1") = "9"
    & skf18("4","6","5","10","6","1","1") = "9"
    & skf18("4","6","5","10","6","2","1") = "9"
    & skf18("4","6","5","10","6","3","1") = "9"
    & skf18("4","6","5","10","6","4","1") = "9"
    & skf18("4","6","5","10","6","5","1") = "9"
    & skf18("4","6","5","10","6","6","1") = "9"
    & skf18("4","6","5","10","6","7","1") = "9"
    & skf18("4","6","5","10","6","8","1") = "9"
    & skf18("4","6","5","10","6","9","1") = "9"
    & skf18("4","6","5","10","6","10","1") = "9"
    & skf18("4","6","5","10","7","1","1") = "9"
    & skf18("4","6","5","10","7","2","1") = "9"
    & skf18("4","6","5","10","7","3","1") = "9"
    & skf18("4","6","5","10","7","4","1") = "9"
    & skf18("4","6","5","10","7","5","1") = "9"
    & skf18("4","6","5","10","7","6","1") = "9"
    & skf18("4","6","5","10","7","7","1") = "9"
    & skf18("4","6","5","10","7","8","1") = "9"
    & skf18("4","6","5","10","7","9","1") = "9"
    & skf18("4","6","5","10","7","10","1") = "9"
    & skf18("4","6","5","10","8","1","1") = "9"
    & skf18("4","6","5","10","8","2","1") = "9"
    & skf18("4","6","5","10","8","3","1") = "9"
    & skf18("4","6","5","10","8","4","1") = "9"
    & skf18("4","6","5","10","8","5","1") = "9"
    & skf18("4","6","5","10","8","6","1") = "9"
    & skf18("4","6","5","10","8","7","1") = "9"
    & skf18("4","6","5","10","8","8","1") = "9"
    & skf18("4","6","5","10","8","9","1") = "9"
    & skf18("4","6","5","10","8","10","1") = "9"
    & skf18("4","6","5","10","9","1","1") = "9"
    & skf18("4","6","5","10","9","2","1") = "9"
    & skf18("4","6","5","10","9","3","1") = "9"
    & skf18("4","6","5","10","9","4","1") = "9"
    & skf18("4","6","5","10","9","5","1") = "9"
    & skf18("4","6","5","10","9","6","1") = "9"
    & skf18("4","6","5","10","9","7","1") = "9"
    & skf18("4","6","5","10","9","8","1") = "9"
    & skf18("4","6","5","10","9","9","1") = "9"
    & skf18("4","6","5","10","9","10","1") = "9"
    & skf18("4","6","5","10","10","1","1") = "9"
    & skf18("4","6","5","10","10","2","1") = "9"
    & skf18("4","6","5","10","10","3","1") = "9"
    & skf18("4","6","5","10","10","4","1") = "9"
    & skf18("4","6","5","10","10","5","1") = "9"
    & skf18("4","6","5","10","10","6","1") = "9"
    & skf18("4","6","5","10","10","7","1") = "9"
    & skf18("4","6","5","10","10","8","1") = "9"
    & skf18("4","6","5","10","10","9","1") = "9"
    & skf18("4","6","5","10","10","10","1") = "9"
    & skf18("4","6","6","1","1","1","1") = "5"
    & skf18("4","6","6","1","1","2","1") = "5"
    & skf18("4","6","6","1","1","3","1") = "5"
    & skf18("4","6","6","1","1","4","1") = "5"
    & skf18("4","6","6","1","1","5","1") = "5"
    & skf18("4","6","6","1","1","6","1") = "5"
    & skf18("4","6","6","1","1","7","1") = "6"
    & skf18("4","6","6","1","1","8","1") = "7"
    & skf18("4","6","6","1","1","9","1") = "8"
    & skf18("4","6","6","1","1","10","1") = "9"
    & skf18("4","6","6","1","2","1","1") = "5"
    & skf18("4","6","6","1","2","2","1") = "5"
    & skf18("4","6","6","1","2","3","1") = "5"
    & skf18("4","6","6","1","2","4","1") = "5"
    & skf18("4","6","6","1","2","5","1") = "5"
    & skf18("4","6","6","1","2","6","1") = "5"
    & skf18("4","6","6","1","2","7","1") = "6"
    & skf18("4","6","6","1","2","8","1") = "7"
    & skf18("4","6","6","1","2","9","1") = "8"
    & skf18("4","6","6","1","2","10","1") = "9"
    & skf18("4","6","6","1","3","1","1") = "5"
    & skf18("4","6","6","1","3","2","1") = "5"
    & skf18("4","6","6","1","3","3","1") = "5"
    & skf18("4","6","6","1","3","4","1") = "5"
    & skf18("4","6","6","1","3","5","1") = "5"
    & skf18("4","6","6","1","3","6","1") = "5"
    & skf18("4","6","6","1","3","7","1") = "6"
    & skf18("4","6","6","1","3","8","1") = "7"
    & skf18("4","6","6","1","3","9","1") = "8"
    & skf18("4","6","6","1","3","10","1") = "9"
    & skf18("4","6","6","1","4","1","1") = "5"
    & skf18("4","6","6","1","4","2","1") = "5"
    & skf18("4","6","6","1","4","3","1") = "5"
    & skf18("4","6","6","1","4","4","1") = "5"
    & skf18("4","6","6","1","4","5","1") = "5"
    & skf18("4","6","6","1","4","6","1") = "5"
    & skf18("4","6","6","1","4","7","1") = "6"
    & skf18("4","6","6","1","4","8","1") = "7"
    & skf18("4","6","6","1","4","9","1") = "8"
    & skf18("4","6","6","1","4","10","1") = "9"
    & skf18("4","6","6","1","5","1","1") = "5"
    & skf18("4","6","6","1","5","2","1") = "5"
    & skf18("4","6","6","1","5","3","1") = "5"
    & skf18("4","6","6","1","5","4","1") = "5"
    & skf18("4","6","6","1","5","5","1") = "5"
    & skf18("4","6","6","1","5","6","1") = "5"
    & skf18("4","6","6","1","5","7","1") = "6"
    & skf18("4","6","6","1","5","8","1") = "7"
    & skf18("4","6","6","1","5","9","1") = "8"
    & skf18("4","6","6","1","5","10","1") = "9"
    & skf18("4","6","6","1","6","1","1") = "5"
    & skf18("4","6","6","1","6","2","1") = "5"
    & skf18("4","6","6","1","6","3","1") = "5"
    & skf18("4","6","6","1","6","4","1") = "5"
    & skf18("4","6","6","1","6","5","1") = "5"
    & skf18("4","6","6","1","6","6","1") = "5"
    & skf18("4","6","6","1","6","7","1") = "6"
    & skf18("4","6","6","1","6","8","1") = "7"
    & skf18("4","6","6","1","6","9","1") = "8"
    & skf18("4","6","6","1","6","10","1") = "9"
    & skf18("4","6","6","1","7","1","1") = "6"
    & skf18("4","6","6","1","7","2","1") = "6"
    & skf18("4","6","6","1","7","3","1") = "6"
    & skf18("4","6","6","1","7","4","1") = "6"
    & skf18("4","6","6","1","7","5","1") = "6"
    & skf18("4","6","6","1","7","6","1") = "6"
    & skf18("4","6","6","1","7","7","1") = "6"
    & skf18("4","6","6","1","7","8","1") = "7"
    & skf18("4","6","6","1","7","9","1") = "8"
    & skf18("4","6","6","1","7","10","1") = "9"
    & skf18("4","6","6","1","8","1","1") = "7"
    & skf18("4","6","6","1","8","2","1") = "7"
    & skf18("4","6","6","1","8","3","1") = "7"
    & skf18("4","6","6","1","8","4","1") = "7"
    & skf18("4","6","6","1","8","5","1") = "7"
    & skf18("4","6","6","1","8","6","1") = "7"
    & skf18("4","6","6","1","8","7","1") = "7"
    & skf18("4","6","6","1","8","8","1") = "7"
    & skf18("4","6","6","1","8","9","1") = "8"
    & skf18("4","6","6","1","8","10","1") = "9"
    & skf18("4","6","6","1","9","1","1") = "8"
    & skf18("4","6","6","1","9","2","1") = "8"
    & skf18("4","6","6","1","9","3","1") = "8"
    & skf18("4","6","6","1","9","4","1") = "8"
    & skf18("4","6","6","1","9","5","1") = "8"
    & skf18("4","6","6","1","9","6","1") = "8"
    & skf18("4","6","6","1","9","7","1") = "8"
    & skf18("4","6","6","1","9","8","1") = "8"
    & skf18("4","6","6","1","9","9","1") = "8"
    & skf18("4","6","6","1","9","10","1") = "9"
    & skf18("4","6","6","1","10","1","1") = "9"
    & skf18("4","6","6","1","10","2","1") = "9"
    & skf18("4","6","6","1","10","3","1") = "9"
    & skf18("4","6","6","1","10","4","1") = "9"
    & skf18("4","6","6","1","10","5","1") = "9"
    & skf18("4","6","6","1","10","6","1") = "9"
    & skf18("4","6","6","1","10","7","1") = "9"
    & skf18("4","6","6","1","10","8","1") = "9"
    & skf18("4","6","6","1","10","9","1") = "9"
    & skf18("4","6","6","1","10","10","1") = "9"
    & skf18("4","6","6","2","1","1","1") = "5"
    & skf18("4","6","6","2","1","2","1") = "5"
    & skf18("4","6","6","2","1","3","1") = "5"
    & skf18("4","6","6","2","1","4","1") = "5"
    & skf18("4","6","6","2","1","5","1") = "5"
    & skf18("4","6","6","2","1","6","1") = "5"
    & skf18("4","6","6","2","1","7","1") = "6"
    & skf18("4","6","6","2","1","8","1") = "7"
    & skf18("4","6","6","2","1","9","1") = "8"
    & skf18("4","6","6","2","1","10","1") = "9"
    & skf18("4","6","6","2","2","1","1") = "5"
    & skf18("4","6","6","2","2","2","1") = "5"
    & skf18("4","6","6","2","2","3","1") = "5"
    & skf18("4","6","6","2","2","4","1") = "5"
    & skf18("4","6","6","2","2","5","1") = "5"
    & skf18("4","6","6","2","2","6","1") = "5"
    & skf18("4","6","6","2","2","7","1") = "6"
    & skf18("4","6","6","2","2","8","1") = "7"
    & skf18("4","6","6","2","2","9","1") = "8"
    & skf18("4","6","6","2","2","10","1") = "9"
    & skf18("4","6","6","2","3","1","1") = "5"
    & skf18("4","6","6","2","3","2","1") = "5"
    & skf18("4","6","6","2","3","3","1") = "5"
    & skf18("4","6","6","2","3","4","1") = "5"
    & skf18("4","6","6","2","3","5","1") = "5"
    & skf18("4","6","6","2","3","6","1") = "5"
    & skf18("4","6","6","2","3","7","1") = "6"
    & skf18("4","6","6","2","3","8","1") = "7"
    & skf18("4","6","6","2","3","9","1") = "8"
    & skf18("4","6","6","2","3","10","1") = "9"
    & skf18("4","6","6","2","4","1","1") = "5"
    & skf18("4","6","6","2","4","2","1") = "5"
    & skf18("4","6","6","2","4","3","1") = "5"
    & skf18("4","6","6","2","4","4","1") = "5"
    & skf18("4","6","6","2","4","5","1") = "5"
    & skf18("4","6","6","2","4","6","1") = "5"
    & skf18("4","6","6","2","4","7","1") = "6"
    & skf18("4","6","6","2","4","8","1") = "7"
    & skf18("4","6","6","2","4","9","1") = "8"
    & skf18("4","6","6","2","4","10","1") = "9"
    & skf18("4","6","6","2","5","1","1") = "5"
    & skf18("4","6","6","2","5","2","1") = "5"
    & skf18("4","6","6","2","5","3","1") = "5"
    & skf18("4","6","6","2","5","4","1") = "5"
    & skf18("4","6","6","2","5","5","1") = "5"
    & skf18("4","6","6","2","5","6","1") = "5"
    & skf18("4","6","6","2","5","7","1") = "6"
    & skf18("4","6","6","2","5","8","1") = "7"
    & skf18("4","6","6","2","5","9","1") = "8"
    & skf18("4","6","6","2","5","10","1") = "9"
    & skf18("4","6","6","2","6","1","1") = "5"
    & skf18("4","6","6","2","6","2","1") = "5"
    & skf18("4","6","6","2","6","3","1") = "5"
    & skf18("4","6","6","2","6","4","1") = "5"
    & skf18("4","6","6","2","6","5","1") = "5"
    & skf18("4","6","6","2","6","6","1") = "5"
    & skf18("4","6","6","2","6","7","1") = "6"
    & skf18("4","6","6","2","6","8","1") = "7"
    & skf18("4","6","6","2","6","9","1") = "8"
    & skf18("4","6","6","2","6","10","1") = "9"
    & skf18("4","6","6","2","7","1","1") = "6"
    & skf18("4","6","6","2","7","2","1") = "6"
    & skf18("4","6","6","2","7","3","1") = "6"
    & skf18("4","6","6","2","7","4","1") = "6"
    & skf18("4","6","6","2","7","5","1") = "6"
    & skf18("4","6","6","2","7","6","1") = "6"
    & skf18("4","6","6","2","7","7","1") = "6"
    & skf18("4","6","6","2","7","8","1") = "7"
    & skf18("4","6","6","2","7","9","1") = "8"
    & skf18("4","6","6","2","7","10","1") = "9"
    & skf18("4","6","6","2","8","1","1") = "7"
    & skf18("4","6","6","2","8","2","1") = "7"
    & skf18("4","6","6","2","8","3","1") = "7"
    & skf18("4","6","6","2","8","4","1") = "7"
    & skf18("4","6","6","2","8","5","1") = "7"
    & skf18("4","6","6","2","8","6","1") = "7"
    & skf18("4","6","6","2","8","7","1") = "7"
    & skf18("4","6","6","2","8","8","1") = "7"
    & skf18("4","6","6","2","8","9","1") = "8"
    & skf18("4","6","6","2","8","10","1") = "9"
    & skf18("4","6","6","2","9","1","1") = "8"
    & skf18("4","6","6","2","9","2","1") = "8"
    & skf18("4","6","6","2","9","3","1") = "8"
    & skf18("4","6","6","2","9","4","1") = "8"
    & skf18("4","6","6","2","9","5","1") = "8"
    & skf18("4","6","6","2","9","6","1") = "8"
    & skf18("4","6","6","2","9","7","1") = "8"
    & skf18("4","6","6","2","9","8","1") = "8"
    & skf18("4","6","6","2","9","9","1") = "8"
    & skf18("4","6","6","2","9","10","1") = "9"
    & skf18("4","6","6","2","10","1","1") = "9"
    & skf18("4","6","6","2","10","2","1") = "9"
    & skf18("4","6","6","2","10","3","1") = "9"
    & skf18("4","6","6","2","10","4","1") = "9"
    & skf18("4","6","6","2","10","5","1") = "9"
    & skf18("4","6","6","2","10","6","1") = "9"
    & skf18("4","6","6","2","10","7","1") = "9"
    & skf18("4","6","6","2","10","8","1") = "9"
    & skf18("4","6","6","2","10","9","1") = "9"
    & skf18("4","6","6","2","10","10","1") = "9"
    & skf18("4","6","6","3","1","1","1") = "5"
    & skf18("4","6","6","3","1","2","1") = "5"
    & skf18("4","6","6","3","1","3","1") = "5"
    & skf18("4","6","6","3","1","4","1") = "5"
    & skf18("4","6","6","3","1","5","1") = "5"
    & skf18("4","6","6","3","1","6","1") = "5"
    & skf18("4","6","6","3","1","7","1") = "6"
    & skf18("4","6","6","3","1","8","1") = "7"
    & skf18("4","6","6","3","1","9","1") = "8"
    & skf18("4","6","6","3","1","10","1") = "9"
    & skf18("4","6","6","3","2","1","1") = "5"
    & skf18("4","6","6","3","2","2","1") = "5"
    & skf18("4","6","6","3","2","3","1") = "5"
    & skf18("4","6","6","3","2","4","1") = "5"
    & skf18("4","6","6","3","2","5","1") = "5"
    & skf18("4","6","6","3","2","6","1") = "5"
    & skf18("4","6","6","3","2","7","1") = "6"
    & skf18("4","6","6","3","2","8","1") = "7"
    & skf18("4","6","6","3","2","9","1") = "8"
    & skf18("4","6","6","3","2","10","1") = "9"
    & skf18("4","6","6","3","3","1","1") = "5"
    & skf18("4","6","6","3","3","2","1") = "5"
    & skf18("4","6","6","3","3","3","1") = "5"
    & skf18("4","6","6","3","3","4","1") = "5"
    & skf18("4","6","6","3","3","5","1") = "5"
    & skf18("4","6","6","3","3","6","1") = "5"
    & skf18("4","6","6","3","3","7","1") = "6"
    & skf18("4","6","6","3","3","8","1") = "7"
    & skf18("4","6","6","3","3","9","1") = "8"
    & skf18("4","6","6","3","3","10","1") = "9"
    & skf18("4","6","6","3","4","1","1") = "5"
    & skf18("4","6","6","3","4","2","1") = "5"
    & skf18("4","6","6","3","4","3","1") = "5"
    & skf18("4","6","6","3","4","4","1") = "5"
    & skf18("4","6","6","3","4","5","1") = "5"
    & skf18("4","6","6","3","4","6","1") = "5"
    & skf18("4","6","6","3","4","7","1") = "6"
    & skf18("4","6","6","3","4","8","1") = "7"
    & skf18("4","6","6","3","4","9","1") = "8"
    & skf18("4","6","6","3","4","10","1") = "9"
    & skf18("4","6","6","3","5","1","1") = "5"
    & skf18("4","6","6","3","5","2","1") = "5"
    & skf18("4","6","6","3","5","3","1") = "5"
    & skf18("4","6","6","3","5","4","1") = "5"
    & skf18("4","6","6","3","5","5","1") = "5"
    & skf18("4","6","6","3","5","6","1") = "5"
    & skf18("4","6","6","3","5","7","1") = "6"
    & skf18("4","6","6","3","5","8","1") = "7"
    & skf18("4","6","6","3","5","9","1") = "8"
    & skf18("4","6","6","3","5","10","1") = "9"
    & skf18("4","6","6","3","6","1","1") = "5"
    & skf18("4","6","6","3","6","2","1") = "5"
    & skf18("4","6","6","3","6","3","1") = "5"
    & skf18("4","6","6","3","6","4","1") = "5"
    & skf18("4","6","6","3","6","5","1") = "5"
    & skf18("4","6","6","3","6","6","1") = "5"
    & skf18("4","6","6","3","6","7","1") = "6"
    & skf18("4","6","6","3","6","8","1") = "7"
    & skf18("4","6","6","3","6","9","1") = "8"
    & skf18("4","6","6","3","6","10","1") = "9"
    & skf18("4","6","6","3","7","1","1") = "6"
    & skf18("4","6","6","3","7","2","1") = "6"
    & skf18("4","6","6","3","7","3","1") = "6"
    & skf18("4","6","6","3","7","4","1") = "6"
    & skf18("4","6","6","3","7","5","1") = "6"
    & skf18("4","6","6","3","7","6","1") = "6"
    & skf18("4","6","6","3","7","7","1") = "6"
    & skf18("4","6","6","3","7","8","1") = "7"
    & skf18("4","6","6","3","7","9","1") = "8"
    & skf18("4","6","6","3","7","10","1") = "9"
    & skf18("4","6","6","3","8","1","1") = "7"
    & skf18("4","6","6","3","8","2","1") = "7"
    & skf18("4","6","6","3","8","3","1") = "7"
    & skf18("4","6","6","3","8","4","1") = "7"
    & skf18("4","6","6","3","8","5","1") = "7"
    & skf18("4","6","6","3","8","6","1") = "7"
    & skf18("4","6","6","3","8","7","1") = "7"
    & skf18("4","6","6","3","8","8","1") = "7"
    & skf18("4","6","6","3","8","9","1") = "8"
    & skf18("4","6","6","3","8","10","1") = "9"
    & skf18("4","6","6","3","9","1","1") = "8"
    & skf18("4","6","6","3","9","2","1") = "8"
    & skf18("4","6","6","3","9","3","1") = "8"
    & skf18("4","6","6","3","9","4","1") = "8"
    & skf18("4","6","6","3","9","5","1") = "8"
    & skf18("4","6","6","3","9","6","1") = "8"
    & skf18("4","6","6","3","9","7","1") = "8"
    & skf18("4","6","6","3","9","8","1") = "8"
    & skf18("4","6","6","3","9","9","1") = "8"
    & skf18("4","6","6","3","9","10","1") = "9"
    & skf18("4","6","6","3","10","1","1") = "9"
    & skf18("4","6","6","3","10","2","1") = "9"
    & skf18("4","6","6","3","10","3","1") = "9"
    & skf18("4","6","6","3","10","4","1") = "9"
    & skf18("4","6","6","3","10","5","1") = "9"
    & skf18("4","6","6","3","10","6","1") = "9"
    & skf18("4","6","6","3","10","7","1") = "9"
    & skf18("4","6","6","3","10","8","1") = "9"
    & skf18("4","6","6","3","10","9","1") = "9"
    & skf18("4","6","6","3","10","10","1") = "9"
    & skf18("4","6","6","4","1","1","1") = "5"
    & skf18("4","6","6","4","1","2","1") = "5"
    & skf18("4","6","6","4","1","3","1") = "5"
    & skf18("4","6","6","4","1","4","1") = "5"
    & skf18("4","6","6","4","1","5","1") = "5"
    & skf18("4","6","6","4","1","6","1") = "5"
    & skf18("4","6","6","4","1","7","1") = "6"
    & skf18("4","6","6","4","1","8","1") = "7"
    & skf18("4","6","6","4","1","9","1") = "8"
    & skf18("4","6","6","4","1","10","1") = "9"
    & skf18("4","6","6","4","2","1","1") = "5"
    & skf18("4","6","6","4","2","2","1") = "5"
    & skf18("4","6","6","4","2","3","1") = "5"
    & skf18("4","6","6","4","2","4","1") = "5"
    & skf18("4","6","6","4","2","5","1") = "5"
    & skf18("4","6","6","4","2","6","1") = "5"
    & skf18("4","6","6","4","2","7","1") = "6"
    & skf18("4","6","6","4","2","8","1") = "7"
    & skf18("4","6","6","4","2","9","1") = "8"
    & skf18("4","6","6","4","2","10","1") = "9"
    & skf18("4","6","6","4","3","1","1") = "5"
    & skf18("4","6","6","4","3","2","1") = "5"
    & skf18("4","6","6","4","3","3","1") = "5"
    & skf18("4","6","6","4","3","4","1") = "5"
    & skf18("4","6","6","4","3","5","1") = "5"
    & skf18("4","6","6","4","3","6","1") = "5"
    & skf18("4","6","6","4","3","7","1") = "6"
    & skf18("4","6","6","4","3","8","1") = "7"
    & skf18("4","6","6","4","3","9","1") = "8"
    & skf18("4","6","6","4","3","10","1") = "9"
    & skf18("4","6","6","4","4","1","1") = "5"
    & skf18("4","6","6","4","4","2","1") = "5"
    & skf18("4","6","6","4","4","3","1") = "5"
    & skf18("4","6","6","4","4","4","1") = "5"
    & skf18("4","6","6","4","4","5","1") = "5"
    & skf18("4","6","6","4","4","6","1") = "5"
    & skf18("4","6","6","4","4","7","1") = "6"
    & skf18("4","6","6","4","4","8","1") = "7"
    & skf18("4","6","6","4","4","9","1") = "8"
    & skf18("4","6","6","4","4","10","1") = "9"
    & skf18("4","6","6","4","5","1","1") = "5"
    & skf18("4","6","6","4","5","2","1") = "5"
    & skf18("4","6","6","4","5","3","1") = "5"
    & skf18("4","6","6","4","5","4","1") = "5"
    & skf18("4","6","6","4","5","5","1") = "5"
    & skf18("4","6","6","4","5","6","1") = "5"
    & skf18("4","6","6","4","5","7","1") = "6"
    & skf18("4","6","6","4","5","8","1") = "7"
    & skf18("4","6","6","4","5","9","1") = "8"
    & skf18("4","6","6","4","5","10","1") = "9"
    & skf18("4","6","6","4","6","1","1") = "5"
    & skf18("4","6","6","4","6","2","1") = "5"
    & skf18("4","6","6","4","6","3","1") = "5"
    & skf18("4","6","6","4","6","4","1") = "5"
    & skf18("4","6","6","4","6","5","1") = "5"
    & skf18("4","6","6","4","6","6","1") = "5"
    & skf18("4","6","6","4","6","7","1") = "6"
    & skf18("4","6","6","4","6","8","1") = "7"
    & skf18("4","6","6","4","6","9","1") = "8"
    & skf18("4","6","6","4","6","10","1") = "9"
    & skf18("4","6","6","4","7","1","1") = "6"
    & skf18("4","6","6","4","7","2","1") = "6"
    & skf18("4","6","6","4","7","3","1") = "6"
    & skf18("4","6","6","4","7","4","1") = "6"
    & skf18("4","6","6","4","7","5","1") = "6"
    & skf18("4","6","6","4","7","6","1") = "6"
    & skf18("4","6","6","4","7","7","1") = "6"
    & skf18("4","6","6","4","7","8","1") = "7"
    & skf18("4","6","6","4","7","9","1") = "8"
    & skf18("4","6","6","4","7","10","1") = "9"
    & skf18("4","6","6","4","8","1","1") = "7"
    & skf18("4","6","6","4","8","2","1") = "7"
    & skf18("4","6","6","4","8","3","1") = "7"
    & skf18("4","6","6","4","8","4","1") = "7"
    & skf18("4","6","6","4","8","5","1") = "7"
    & skf18("4","6","6","4","8","6","1") = "7"
    & skf18("4","6","6","4","8","7","1") = "7"
    & skf18("4","6","6","4","8","8","1") = "7"
    & skf18("4","6","6","4","8","9","1") = "8"
    & skf18("4","6","6","4","8","10","1") = "9"
    & skf18("4","6","6","4","9","1","1") = "8"
    & skf18("4","6","6","4","9","2","1") = "8"
    & skf18("4","6","6","4","9","3","1") = "8"
    & skf18("4","6","6","4","9","4","1") = "8"
    & skf18("4","6","6","4","9","5","1") = "8"
    & skf18("4","6","6","4","9","6","1") = "8"
    & skf18("4","6","6","4","9","7","1") = "8"
    & skf18("4","6","6","4","9","8","1") = "8"
    & skf18("4","6","6","4","9","9","1") = "8"
    & skf18("4","6","6","4","9","10","1") = "9"
    & skf18("4","6","6","4","10","1","1") = "9"
    & skf18("4","6","6","4","10","2","1") = "9"
    & skf18("4","6","6","4","10","3","1") = "9"
    & skf18("4","6","6","4","10","4","1") = "9"
    & skf18("4","6","6","4","10","5","1") = "9"
    & skf18("4","6","6","4","10","6","1") = "9"
    & skf18("4","6","6","4","10","7","1") = "9"
    & skf18("4","6","6","4","10","8","1") = "9"
    & skf18("4","6","6","4","10","9","1") = "9"
    & skf18("4","6","6","4","10","10","1") = "9"
    & skf18("4","6","6","5","1","1","1") = "5"
    & skf18("4","6","6","5","1","2","1") = "5"
    & skf18("4","6","6","5","1","3","1") = "5"
    & skf18("4","6","6","5","1","4","1") = "5"
    & skf18("4","6","6","5","1","5","1") = "5"
    & skf18("4","6","6","5","1","6","1") = "5"
    & skf18("4","6","6","5","1","7","1") = "6"
    & skf18("4","6","6","5","1","8","1") = "7"
    & skf18("4","6","6","5","1","9","1") = "8"
    & skf18("4","6","6","5","1","10","1") = "9"
    & skf18("4","6","6","5","2","1","1") = "5"
    & skf18("4","6","6","5","2","2","1") = "5"
    & skf18("4","6","6","5","2","3","1") = "5"
    & skf18("4","6","6","5","2","4","1") = "5"
    & skf18("4","6","6","5","2","5","1") = "5"
    & skf18("4","6","6","5","2","6","1") = "5"
    & skf18("4","6","6","5","2","7","1") = "6"
    & skf18("4","6","6","5","2","8","1") = "7"
    & skf18("4","6","6","5","2","9","1") = "8"
    & skf18("4","6","6","5","2","10","1") = "9"
    & skf18("4","6","6","5","3","1","1") = "5"
    & skf18("4","6","6","5","3","2","1") = "5"
    & skf18("4","6","6","5","3","3","1") = "5"
    & skf18("4","6","6","5","3","4","1") = "5"
    & skf18("4","6","6","5","3","5","1") = "5"
    & skf18("4","6","6","5","3","6","1") = "5"
    & skf18("4","6","6","5","3","7","1") = "6"
    & skf18("4","6","6","5","3","8","1") = "7"
    & skf18("4","6","6","5","3","9","1") = "8"
    & skf18("4","6","6","5","3","10","1") = "9"
    & skf18("4","6","6","5","4","1","1") = "5"
    & skf18("4","6","6","5","4","2","1") = "5"
    & skf18("4","6","6","5","4","3","1") = "5"
    & skf18("4","6","6","5","4","4","1") = "5"
    & skf18("4","6","6","5","4","5","1") = "5"
    & skf18("4","6","6","5","4","6","1") = "5"
    & skf18("4","6","6","5","4","7","1") = "6"
    & skf18("4","6","6","5","4","8","1") = "7"
    & skf18("4","6","6","5","4","9","1") = "8"
    & skf18("4","6","6","5","4","10","1") = "9"
    & skf18("4","6","6","5","5","1","1") = "5"
    & skf18("4","6","6","5","5","2","1") = "5"
    & skf18("4","6","6","5","5","3","1") = "5"
    & skf18("4","6","6","5","5","4","1") = "5"
    & skf18("4","6","6","5","5","5","1") = "5"
    & skf18("4","6","6","5","5","6","1") = "5"
    & skf18("4","6","6","5","5","7","1") = "6"
    & skf18("4","6","6","5","5","8","1") = "7"
    & skf18("4","6","6","5","5","9","1") = "8"
    & skf18("4","6","6","5","5","10","1") = "9"
    & skf18("4","6","6","5","6","1","1") = "5"
    & skf18("4","6","6","5","6","2","1") = "5"
    & skf18("4","6","6","5","6","3","1") = "5"
    & skf18("4","6","6","5","6","4","1") = "5"
    & skf18("4","6","6","5","6","5","1") = "5"
    & skf18("4","6","6","5","6","6","1") = "5"
    & skf18("4","6","6","5","6","7","1") = "6"
    & skf18("4","6","6","5","6","8","1") = "7"
    & skf18("4","6","6","5","6","9","1") = "8"
    & skf18("4","6","6","5","6","10","1") = "9"
    & skf18("4","6","6","5","7","1","1") = "6"
    & skf18("4","6","6","5","7","2","1") = "6"
    & skf18("4","6","6","5","7","3","1") = "6"
    & skf18("4","6","6","5","7","4","1") = "6"
    & skf18("4","6","6","5","7","5","1") = "6"
    & skf18("4","6","6","5","7","6","1") = "6"
    & skf18("4","6","6","5","7","7","1") = "6"
    & skf18("4","6","6","5","7","8","1") = "7"
    & skf18("4","6","6","5","7","9","1") = "8"
    & skf18("4","6","6","5","7","10","1") = "9"
    & skf18("4","6","6","5","8","1","1") = "7"
    & skf18("4","6","6","5","8","2","1") = "7"
    & skf18("4","6","6","5","8","3","1") = "7"
    & skf18("4","6","6","5","8","4","1") = "7"
    & skf18("4","6","6","5","8","5","1") = "7"
    & skf18("4","6","6","5","8","6","1") = "7"
    & skf18("4","6","6","5","8","7","1") = "7"
    & skf18("4","6","6","5","8","8","1") = "7"
    & skf18("4","6","6","5","8","9","1") = "8"
    & skf18("4","6","6","5","8","10","1") = "9"
    & skf18("4","6","6","5","9","1","1") = "8"
    & skf18("4","6","6","5","9","2","1") = "8"
    & skf18("4","6","6","5","9","3","1") = "8"
    & skf18("4","6","6","5","9","4","1") = "8"
    & skf18("4","6","6","5","9","5","1") = "8"
    & skf18("4","6","6","5","9","6","1") = "8"
    & skf18("4","6","6","5","9","7","1") = "8"
    & skf18("4","6","6","5","9","8","1") = "8"
    & skf18("4","6","6","5","9","9","1") = "8"
    & skf18("4","6","6","5","9","10","1") = "9"
    & skf18("4","6","6","5","10","1","1") = "9"
    & skf18("4","6","6","5","10","2","1") = "9"
    & skf18("4","6","6","5","10","3","1") = "9"
    & skf18("4","6","6","5","10","4","1") = "9"
    & skf18("4","6","6","5","10","5","1") = "9"
    & skf18("4","6","6","5","10","6","1") = "9"
    & skf18("4","6","6","5","10","7","1") = "9"
    & skf18("4","6","6","5","10","8","1") = "9"
    & skf18("4","6","6","5","10","9","1") = "9"
    & skf18("4","6","6","5","10","10","1") = "9"
    & skf18("4","6","6","6","1","1","1") = "5"
    & skf18("4","6","6","6","1","2","1") = "5"
    & skf18("4","6","6","6","1","3","1") = "5"
    & skf18("4","6","6","6","1","4","1") = "5"
    & skf18("4","6","6","6","1","5","1") = "5"
    & skf18("4","6","6","6","1","6","1") = "5"
    & skf18("4","6","6","6","1","7","1") = "6"
    & skf18("4","6","6","6","1","8","1") = "7"
    & skf18("4","6","6","6","1","9","1") = "8"
    & skf18("4","6","6","6","1","10","1") = "9"
    & skf18("4","6","6","6","2","1","1") = "5"
    & skf18("4","6","6","6","2","2","1") = "5"
    & skf18("4","6","6","6","2","3","1") = "5"
    & skf18("4","6","6","6","2","4","1") = "5"
    & skf18("4","6","6","6","2","5","1") = "5"
    & skf18("4","6","6","6","2","6","1") = "5"
    & skf18("4","6","6","6","2","7","1") = "6"
    & skf18("4","6","6","6","2","8","1") = "7"
    & skf18("4","6","6","6","2","9","1") = "8"
    & skf18("4","6","6","6","2","10","1") = "9"
    & skf18("4","6","6","6","3","1","1") = "5"
    & skf18("4","6","6","6","3","2","1") = "5"
    & skf18("4","6","6","6","3","3","1") = "5"
    & skf18("4","6","6","6","3","4","1") = "5"
    & skf18("4","6","6","6","3","5","1") = "5"
    & skf18("4","6","6","6","3","6","1") = "5"
    & skf18("4","6","6","6","3","7","1") = "6"
    & skf18("4","6","6","6","3","8","1") = "7"
    & skf18("4","6","6","6","3","9","1") = "8"
    & skf18("4","6","6","6","3","10","1") = "9"
    & skf18("4","6","6","6","4","1","1") = "5"
    & skf18("4","6","6","6","4","2","1") = "5"
    & skf18("4","6","6","6","4","3","1") = "5"
    & skf18("4","6","6","6","4","4","1") = "5"
    & skf18("4","6","6","6","4","5","1") = "5"
    & skf18("4","6","6","6","4","6","1") = "5"
    & skf18("4","6","6","6","4","7","1") = "6"
    & skf18("4","6","6","6","4","8","1") = "7"
    & skf18("4","6","6","6","4","9","1") = "8"
    & skf18("4","6","6","6","4","10","1") = "9"
    & skf18("4","6","6","6","5","1","1") = "5"
    & skf18("4","6","6","6","5","2","1") = "5"
    & skf18("4","6","6","6","5","3","1") = "5"
    & skf18("4","6","6","6","5","4","1") = "5"
    & skf18("4","6","6","6","5","5","1") = "5"
    & skf18("4","6","6","6","5","6","1") = "5"
    & skf18("4","6","6","6","5","7","1") = "6"
    & skf18("4","6","6","6","5","8","1") = "7"
    & skf18("4","6","6","6","5","9","1") = "8"
    & skf18("4","6","6","6","5","10","1") = "9"
    & skf18("4","6","6","6","6","1","1") = "5"
    & skf18("4","6","6","6","6","2","1") = "5"
    & skf18("4","6","6","6","6","3","1") = "5"
    & skf18("4","6","6","6","6","4","1") = "5"
    & skf18("4","6","6","6","6","5","1") = "5"
    & skf18("4","6","6","6","6","6","1") = "5"
    & skf18("4","6","6","6","6","7","1") = "6"
    & skf18("4","6","6","6","6","8","1") = "7"
    & skf18("4","6","6","6","6","9","1") = "8"
    & skf18("4","6","6","6","6","10","1") = "9"
    & skf18("4","6","6","6","7","1","1") = "6"
    & skf18("4","6","6","6","7","2","1") = "6"
    & skf18("4","6","6","6","7","3","1") = "6"
    & skf18("4","6","6","6","7","4","1") = "6"
    & skf18("4","6","6","6","7","5","1") = "6"
    & skf18("4","6","6","6","7","6","1") = "6"
    & skf18("4","6","6","6","7","7","1") = "6"
    & skf18("4","6","6","6","7","8","1") = "7"
    & skf18("4","6","6","6","7","9","1") = "8"
    & skf18("4","6","6","6","7","10","1") = "9"
    & skf18("4","6","6","6","8","1","1") = "7"
    & skf18("4","6","6","6","8","2","1") = "7"
    & skf18("4","6","6","6","8","3","1") = "7"
    & skf18("4","6","6","6","8","4","1") = "7"
    & skf18("4","6","6","6","8","5","1") = "7"
    & skf18("4","6","6","6","8","6","1") = "7"
    & skf18("4","6","6","6","8","7","1") = "7"
    & skf18("4","6","6","6","8","8","1") = "7"
    & skf18("4","6","6","6","8","9","1") = "8"
    & skf18("4","6","6","6","8","10","1") = "9"
    & skf18("4","6","6","6","9","1","1") = "8"
    & skf18("4","6","6","6","9","2","1") = "8"
    & skf18("4","6","6","6","9","3","1") = "8"
    & skf18("4","6","6","6","9","4","1") = "8"
    & skf18("4","6","6","6","9","5","1") = "8"
    & skf18("4","6","6","6","9","6","1") = "8"
    & skf18("4","6","6","6","9","7","1") = "8"
    & skf18("4","6","6","6","9","8","1") = "8"
    & skf18("4","6","6","6","9","9","1") = "8"
    & skf18("4","6","6","6","9","10","1") = "9"
    & skf18("4","6","6","6","10","1","1") = "9"
    & skf18("4","6","6","6","10","2","1") = "9"
    & skf18("4","6","6","6","10","3","1") = "9"
    & skf18("4","6","6","6","10","4","1") = "9"
    & skf18("4","6","6","6","10","5","1") = "9"
    & skf18("4","6","6","6","10","6","1") = "9"
    & skf18("4","6","6","6","10","7","1") = "9"
    & skf18("4","6","6","6","10","8","1") = "9"
    & skf18("4","6","6","6","10","9","1") = "9"
    & skf18("4","6","6","6","10","10","1") = "9"
    & skf18("4","6","6","7","1","1","1") = "6"
    & skf18("4","6","6","7","1","2","1") = "6"
    & skf18("4","6","6","7","1","3","1") = "6"
    & skf18("4","6","6","7","1","4","1") = "6"
    & skf18("4","6","6","7","1","5","1") = "6"
    & skf18("4","6","6","7","1","6","1") = "6"
    & skf18("4","6","6","7","1","7","1") = "6"
    & skf18("4","6","6","7","1","8","1") = "7"
    & skf18("4","6","6","7","1","9","1") = "8"
    & skf18("4","6","6","7","1","10","1") = "9"
    & skf18("4","6","6","7","2","1","1") = "6"
    & skf18("4","6","6","7","2","2","1") = "6"
    & skf18("4","6","6","7","2","3","1") = "6"
    & skf18("4","6","6","7","2","4","1") = "6"
    & skf18("4","6","6","7","2","5","1") = "6"
    & skf18("4","6","6","7","2","6","1") = "6"
    & skf18("4","6","6","7","2","7","1") = "6"
    & skf18("4","6","6","7","2","8","1") = "7"
    & skf18("4","6","6","7","2","9","1") = "8"
    & skf18("4","6","6","7","2","10","1") = "9"
    & skf18("4","6","6","7","3","1","1") = "6"
    & skf18("4","6","6","7","3","2","1") = "6"
    & skf18("4","6","6","7","3","3","1") = "6"
    & skf18("4","6","6","7","3","4","1") = "6"
    & skf18("4","6","6","7","3","5","1") = "6"
    & skf18("4","6","6","7","3","6","1") = "6"
    & skf18("4","6","6","7","3","7","1") = "6"
    & skf18("4","6","6","7","3","8","1") = "7"
    & skf18("4","6","6","7","3","9","1") = "8"
    & skf18("4","6","6","7","3","10","1") = "9"
    & skf18("4","6","6","7","4","1","1") = "6"
    & skf18("4","6","6","7","4","2","1") = "6"
    & skf18("4","6","6","7","4","3","1") = "6"
    & skf18("4","6","6","7","4","4","1") = "6"
    & skf18("4","6","6","7","4","5","1") = "6"
    & skf18("4","6","6","7","4","6","1") = "6"
    & skf18("4","6","6","7","4","7","1") = "6"
    & skf18("4","6","6","7","4","8","1") = "7"
    & skf18("4","6","6","7","4","9","1") = "8"
    & skf18("4","6","6","7","4","10","1") = "9"
    & skf18("4","6","6","7","5","1","1") = "6"
    & skf18("4","6","6","7","5","2","1") = "6"
    & skf18("4","6","6","7","5","3","1") = "6"
    & skf18("4","6","6","7","5","4","1") = "6"
    & skf18("4","6","6","7","5","5","1") = "6"
    & skf18("4","6","6","7","5","6","1") = "6"
    & skf18("4","6","6","7","5","7","1") = "6"
    & skf18("4","6","6","7","5","8","1") = "7"
    & skf18("4","6","6","7","5","9","1") = "8"
    & skf18("4","6","6","7","5","10","1") = "9"
    & skf18("4","6","6","7","6","1","1") = "6"
    & skf18("4","6","6","7","6","2","1") = "6"
    & skf18("4","6","6","7","6","3","1") = "6"
    & skf18("4","6","6","7","6","4","1") = "6"
    & skf18("4","6","6","7","6","5","1") = "6"
    & skf18("4","6","6","7","6","6","1") = "6"
    & skf18("4","6","6","7","6","7","1") = "6"
    & skf18("4","6","6","7","6","8","1") = "7"
    & skf18("4","6","6","7","6","9","1") = "8"
    & skf18("4","6","6","7","6","10","1") = "9"
    & skf18("4","6","6","7","7","1","1") = "6"
    & skf18("4","6","6","7","7","2","1") = "6"
    & skf18("4","6","6","7","7","3","1") = "6"
    & skf18("4","6","6","7","7","4","1") = "6"
    & skf18("4","6","6","7","7","5","1") = "6"
    & skf18("4","6","6","7","7","6","1") = "6"
    & skf18("4","6","6","7","7","7","1") = "6"
    & skf18("4","6","6","7","7","8","1") = "7"
    & skf18("4","6","6","7","7","9","1") = "8"
    & skf18("4","6","6","7","7","10","1") = "9"
    & skf18("4","6","6","7","8","1","1") = "7"
    & skf18("4","6","6","7","8","2","1") = "7"
    & skf18("4","6","6","7","8","3","1") = "7"
    & skf18("4","6","6","7","8","4","1") = "7"
    & skf18("4","6","6","7","8","5","1") = "7"
    & skf18("4","6","6","7","8","6","1") = "7"
    & skf18("4","6","6","7","8","7","1") = "7"
    & skf18("4","6","6","7","8","8","1") = "7"
    & skf18("4","6","6","7","8","9","1") = "8"
    & skf18("4","6","6","7","8","10","1") = "9"
    & skf18("4","6","6","7","9","1","1") = "8"
    & skf18("4","6","6","7","9","2","1") = "8"
    & skf18("4","6","6","7","9","3","1") = "8"
    & skf18("4","6","6","7","9","4","1") = "8"
    & skf18("4","6","6","7","9","5","1") = "8"
    & skf18("4","6","6","7","9","6","1") = "8"
    & skf18("4","6","6","7","9","7","1") = "8"
    & skf18("4","6","6","7","9","8","1") = "8"
    & skf18("4","6","6","7","9","9","1") = "8"
    & skf18("4","6","6","7","9","10","1") = "9"
    & skf18("4","6","6","7","10","1","1") = "9"
    & skf18("4","6","6","7","10","2","1") = "9"
    & skf18("4","6","6","7","10","3","1") = "9"
    & skf18("4","6","6","7","10","4","1") = "9"
    & skf18("4","6","6","7","10","5","1") = "9"
    & skf18("4","6","6","7","10","6","1") = "9"
    & skf18("4","6","6","7","10","7","1") = "9"
    & skf18("4","6","6","7","10","8","1") = "9"
    & skf18("4","6","6","7","10","9","1") = "9"
    & skf18("4","6","6","7","10","10","1") = "9"
    & skf18("4","6","6","8","1","1","1") = "7"
    & skf18("4","6","6","8","1","2","1") = "7"
    & skf18("4","6","6","8","1","3","1") = "7"
    & skf18("4","6","6","8","1","4","1") = "7"
    & skf18("4","6","6","8","1","5","1") = "7"
    & skf18("4","6","6","8","1","6","1") = "7"
    & skf18("4","6","6","8","1","7","1") = "7"
    & skf18("4","6","6","8","1","8","1") = "7"
    & skf18("4","6","6","8","1","9","1") = "8"
    & skf18("4","6","6","8","1","10","1") = "9"
    & skf18("4","6","6","8","2","1","1") = "7"
    & skf18("4","6","6","8","2","2","1") = "7"
    & skf18("4","6","6","8","2","3","1") = "7"
    & skf18("4","6","6","8","2","4","1") = "7"
    & skf18("4","6","6","8","2","5","1") = "7"
    & skf18("4","6","6","8","2","6","1") = "7"
    & skf18("4","6","6","8","2","7","1") = "7"
    & skf18("4","6","6","8","2","8","1") = "7"
    & skf18("4","6","6","8","2","9","1") = "8"
    & skf18("4","6","6","8","2","10","1") = "9"
    & skf18("4","6","6","8","3","1","1") = "7"
    & skf18("4","6","6","8","3","2","1") = "7"
    & skf18("4","6","6","8","3","3","1") = "7"
    & skf18("4","6","6","8","3","4","1") = "7"
    & skf18("4","6","6","8","3","5","1") = "7"
    & skf18("4","6","6","8","3","6","1") = "7"
    & skf18("4","6","6","8","3","7","1") = "7"
    & skf18("4","6","6","8","3","8","1") = "7"
    & skf18("4","6","6","8","3","9","1") = "8"
    & skf18("4","6","6","8","3","10","1") = "9"
    & skf18("4","6","6","8","4","1","1") = "7"
    & skf18("4","6","6","8","4","2","1") = "7"
    & skf18("4","6","6","8","4","3","1") = "7"
    & skf18("4","6","6","8","4","4","1") = "7"
    & skf18("4","6","6","8","4","5","1") = "7"
    & skf18("4","6","6","8","4","6","1") = "7"
    & skf18("4","6","6","8","4","7","1") = "7"
    & skf18("4","6","6","8","4","8","1") = "7"
    & skf18("4","6","6","8","4","9","1") = "8"
    & skf18("4","6","6","8","4","10","1") = "9"
    & skf18("4","6","6","8","5","1","1") = "7"
    & skf18("4","6","6","8","5","2","1") = "7"
    & skf18("4","6","6","8","5","3","1") = "7"
    & skf18("4","6","6","8","5","4","1") = "7"
    & skf18("4","6","6","8","5","5","1") = "7"
    & skf18("4","6","6","8","5","6","1") = "7"
    & skf18("4","6","6","8","5","7","1") = "7"
    & skf18("4","6","6","8","5","8","1") = "7"
    & skf18("4","6","6","8","5","9","1") = "8"
    & skf18("4","6","6","8","5","10","1") = "9"
    & skf18("4","6","6","8","6","1","1") = "7"
    & skf18("4","6","6","8","6","2","1") = "7"
    & skf18("4","6","6","8","6","3","1") = "7"
    & skf18("4","6","6","8","6","4","1") = "7"
    & skf18("4","6","6","8","6","5","1") = "7"
    & skf18("4","6","6","8","6","6","1") = "7"
    & skf18("4","6","6","8","6","7","1") = "7"
    & skf18("4","6","6","8","6","8","1") = "7"
    & skf18("4","6","6","8","6","9","1") = "8"
    & skf18("4","6","6","8","6","10","1") = "9"
    & skf18("4","6","6","8","7","1","1") = "7"
    & skf18("4","6","6","8","7","2","1") = "7"
    & skf18("4","6","6","8","7","3","1") = "7"
    & skf18("4","6","6","8","7","4","1") = "7"
    & skf18("4","6","6","8","7","5","1") = "7"
    & skf18("4","6","6","8","7","6","1") = "7"
    & skf18("4","6","6","8","7","7","1") = "7"
    & skf18("4","6","6","8","7","8","1") = "7"
    & skf18("4","6","6","8","7","9","1") = "8"
    & skf18("4","6","6","8","7","10","1") = "9"
    & skf18("4","6","6","8","8","1","1") = "7"
    & skf18("4","6","6","8","8","2","1") = "7"
    & skf18("4","6","6","8","8","3","1") = "7"
    & skf18("4","6","6","8","8","4","1") = "7"
    & skf18("4","6","6","8","8","5","1") = "7"
    & skf18("4","6","6","8","8","6","1") = "7"
    & skf18("4","6","6","8","8","7","1") = "7"
    & skf18("4","6","6","8","8","8","1") = "7"
    & skf18("4","6","6","8","8","9","1") = "8"
    & skf18("4","6","6","8","8","10","1") = "9"
    & skf18("4","6","6","8","9","1","1") = "8"
    & skf18("4","6","6","8","9","2","1") = "8"
    & skf18("4","6","6","8","9","3","1") = "8"
    & skf18("4","6","6","8","9","4","1") = "8"
    & skf18("4","6","6","8","9","5","1") = "8"
    & skf18("4","6","6","8","9","6","1") = "8"
    & skf18("4","6","6","8","9","7","1") = "8"
    & skf18("4","6","6","8","9","8","1") = "8"
    & skf18("4","6","6","8","9","9","1") = "8"
    & skf18("4","6","6","8","9","10","1") = "9"
    & skf18("4","6","6","8","10","1","1") = "9"
    & skf18("4","6","6","8","10","2","1") = "9"
    & skf18("4","6","6","8","10","3","1") = "9"
    & skf18("4","6","6","8","10","4","1") = "9"
    & skf18("4","6","6","8","10","5","1") = "9"
    & skf18("4","6","6","8","10","6","1") = "9"
    & skf18("4","6","6","8","10","7","1") = "9"
    & skf18("4","6","6","8","10","8","1") = "9"
    & skf18("4","6","6","8","10","9","1") = "9"
    & skf18("4","6","6","8","10","10","1") = "9"
    & skf18("4","6","6","9","1","1","1") = "8"
    & skf18("4","6","6","9","1","2","1") = "8"
    & skf18("4","6","6","9","1","3","1") = "8"
    & skf18("4","6","6","9","1","4","1") = "8"
    & skf18("4","6","6","9","1","5","1") = "8"
    & skf18("4","6","6","9","1","6","1") = "8"
    & skf18("4","6","6","9","1","7","1") = "8"
    & skf18("4","6","6","9","1","8","1") = "8"
    & skf18("4","6","6","9","1","9","1") = "8"
    & skf18("4","6","6","9","1","10","1") = "9"
    & skf18("4","6","6","9","2","1","1") = "8"
    & skf18("4","6","6","9","2","2","1") = "8"
    & skf18("4","6","6","9","2","3","1") = "8"
    & skf18("4","6","6","9","2","4","1") = "8"
    & skf18("4","6","6","9","2","5","1") = "8"
    & skf18("4","6","6","9","2","6","1") = "8"
    & skf18("4","6","6","9","2","7","1") = "8"
    & skf18("4","6","6","9","2","8","1") = "8"
    & skf18("4","6","6","9","2","9","1") = "8"
    & skf18("4","6","6","9","2","10","1") = "9"
    & skf18("4","6","6","9","3","1","1") = "8"
    & skf18("4","6","6","9","3","2","1") = "8"
    & skf18("4","6","6","9","3","3","1") = "8"
    & skf18("4","6","6","9","3","4","1") = "8"
    & skf18("4","6","6","9","3","5","1") = "8"
    & skf18("4","6","6","9","3","6","1") = "8"
    & skf18("4","6","6","9","3","7","1") = "8"
    & skf18("4","6","6","9","3","8","1") = "8"
    & skf18("4","6","6","9","3","9","1") = "8"
    & skf18("4","6","6","9","3","10","1") = "9"
    & skf18("4","6","6","9","4","1","1") = "8"
    & skf18("4","6","6","9","4","2","1") = "8"
    & skf18("4","6","6","9","4","3","1") = "8"
    & skf18("4","6","6","9","4","4","1") = "8"
    & skf18("4","6","6","9","4","5","1") = "8"
    & skf18("4","6","6","9","4","6","1") = "8"
    & skf18("4","6","6","9","4","7","1") = "8"
    & skf18("4","6","6","9","4","8","1") = "8"
    & skf18("4","6","6","9","4","9","1") = "8"
    & skf18("4","6","6","9","4","10","1") = "9"
    & skf18("4","6","6","9","5","1","1") = "8"
    & skf18("4","6","6","9","5","2","1") = "8"
    & skf18("4","6","6","9","5","3","1") = "8"
    & skf18("4","6","6","9","5","4","1") = "8"
    & skf18("4","6","6","9","5","5","1") = "8"
    & skf18("4","6","6","9","5","6","1") = "8"
    & skf18("4","6","6","9","5","7","1") = "8"
    & skf18("4","6","6","9","5","8","1") = "8"
    & skf18("4","6","6","9","5","9","1") = "8"
    & skf18("4","6","6","9","5","10","1") = "9"
    & skf18("4","6","6","9","6","1","1") = "8"
    & skf18("4","6","6","9","6","2","1") = "8"
    & skf18("4","6","6","9","6","3","1") = "8"
    & skf18("4","6","6","9","6","4","1") = "8"
    & skf18("4","6","6","9","6","5","1") = "8"
    & skf18("4","6","6","9","6","6","1") = "8"
    & skf18("4","6","6","9","6","7","1") = "8"
    & skf18("4","6","6","9","6","8","1") = "8"
    & skf18("4","6","6","9","6","9","1") = "8"
    & skf18("4","6","6","9","6","10","1") = "9"
    & skf18("4","6","6","9","7","1","1") = "8"
    & skf18("4","6","6","9","7","2","1") = "8"
    & skf18("4","6","6","9","7","3","1") = "8"
    & skf18("4","6","6","9","7","4","1") = "8"
    & skf18("4","6","6","9","7","5","1") = "8"
    & skf18("4","6","6","9","7","6","1") = "8"
    & skf18("4","6","6","9","7","7","1") = "8"
    & skf18("4","6","6","9","7","8","1") = "8"
    & skf18("4","6","6","9","7","9","1") = "8"
    & skf18("4","6","6","9","7","10","1") = "9"
    & skf18("4","6","6","9","8","1","1") = "8"
    & skf18("4","6","6","9","8","2","1") = "8"
    & skf18("4","6","6","9","8","3","1") = "8"
    & skf18("4","6","6","9","8","4","1") = "8"
    & skf18("4","6","6","9","8","5","1") = "8"
    & skf18("4","6","6","9","8","6","1") = "8"
    & skf18("4","6","6","9","8","7","1") = "8"
    & skf18("4","6","6","9","8","8","1") = "8"
    & skf18("4","6","6","9","8","9","1") = "8"
    & skf18("4","6","6","9","8","10","1") = "9"
    & skf18("4","6","6","9","9","1","1") = "8"
    & skf18("4","6","6","9","9","2","1") = "8"
    & skf18("4","6","6","9","9","3","1") = "8"
    & skf18("4","6","6","9","9","4","1") = "8"
    & skf18("4","6","6","9","9","5","1") = "8"
    & skf18("4","6","6","9","9","6","1") = "8"
    & skf18("4","6","6","9","9","7","1") = "8"
    & skf18("4","6","6","9","9","8","1") = "8"
    & skf18("4","6","6","9","9","9","1") = "8"
    & skf18("4","6","6","9","9","10","1") = "9"
    & skf18("4","6","6","9","10","1","1") = "9"
    & skf18("4","6","6","9","10","2","1") = "9"
    & skf18("4","6","6","9","10","3","1") = "9"
    & skf18("4","6","6","9","10","4","1") = "9"
    & skf18("4","6","6","9","10","5","1") = "9"
    & skf18("4","6","6","9","10","6","1") = "9"
    & skf18("4","6","6","9","10","7","1") = "9"
    & skf18("4","6","6","9","10","8","1") = "9"
    & skf18("4","6","6","9","10","9","1") = "9"
    & skf18("4","6","6","9","10","10","1") = "9"
    & skf18("4","6","6","10","1","1","1") = "9"
    & skf18("4","6","6","10","1","2","1") = "9"
    & skf18("4","6","6","10","1","3","1") = "9"
    & skf18("4","6","6","10","1","4","1") = "9"
    & skf18("4","6","6","10","1","5","1") = "9"
    & skf18("4","6","6","10","1","6","1") = "9"
    & skf18("4","6","6","10","1","7","1") = "9"
    & skf18("4","6","6","10","1","8","1") = "9"
    & skf18("4","6","6","10","1","9","1") = "9"
    & skf18("4","6","6","10","1","10","1") = "9"
    & skf18("4","6","6","10","2","1","1") = "9"
    & skf18("4","6","6","10","2","2","1") = "9"
    & skf18("4","6","6","10","2","3","1") = "9"
    & skf18("4","6","6","10","2","4","1") = "9"
    & skf18("4","6","6","10","2","5","1") = "9"
    & skf18("4","6","6","10","2","6","1") = "9"
    & skf18("4","6","6","10","2","7","1") = "9"
    & skf18("4","6","6","10","2","8","1") = "9"
    & skf18("4","6","6","10","2","9","1") = "9"
    & skf18("4","6","6","10","2","10","1") = "9"
    & skf18("4","6","6","10","3","1","1") = "9"
    & skf18("4","6","6","10","3","2","1") = "9"
    & skf18("4","6","6","10","3","3","1") = "9"
    & skf18("4","6","6","10","3","4","1") = "9"
    & skf18("4","6","6","10","3","5","1") = "9"
    & skf18("4","6","6","10","3","6","1") = "9"
    & skf18("4","6","6","10","3","7","1") = "9"
    & skf18("4","6","6","10","3","8","1") = "9"
    & skf18("4","6","6","10","3","9","1") = "9"
    & skf18("4","6","6","10","3","10","1") = "9"
    & skf18("4","6","6","10","4","1","1") = "9"
    & skf18("4","6","6","10","4","2","1") = "9"
    & skf18("4","6","6","10","4","3","1") = "9"
    & skf18("4","6","6","10","4","4","1") = "9"
    & skf18("4","6","6","10","4","5","1") = "9"
    & skf18("4","6","6","10","4","6","1") = "9"
    & skf18("4","6","6","10","4","7","1") = "9"
    & skf18("4","6","6","10","4","8","1") = "9"
    & skf18("4","6","6","10","4","9","1") = "9"
    & skf18("4","6","6","10","4","10","1") = "9"
    & skf18("4","6","6","10","5","1","1") = "9"
    & skf18("4","6","6","10","5","2","1") = "9"
    & skf18("4","6","6","10","5","3","1") = "9"
    & skf18("4","6","6","10","5","4","1") = "9"
    & skf18("4","6","6","10","5","5","1") = "9"
    & skf18("4","6","6","10","5","6","1") = "9"
    & skf18("4","6","6","10","5","7","1") = "9"
    & skf18("4","6","6","10","5","8","1") = "9"
    & skf18("4","6","6","10","5","9","1") = "9"
    & skf18("4","6","6","10","5","10","1") = "9"
    & skf18("4","6","6","10","6","1","1") = "9"
    & skf18("4","6","6","10","6","2","1") = "9"
    & skf18("4","6","6","10","6","3","1") = "9"
    & skf18("4","6","6","10","6","4","1") = "9"
    & skf18("4","6","6","10","6","5","1") = "9"
    & skf18("4","6","6","10","6","6","1") = "9"
    & skf18("4","6","6","10","6","7","1") = "9"
    & skf18("4","6","6","10","6","8","1") = "9"
    & skf18("4","6","6","10","6","9","1") = "9"
    & skf18("4","6","6","10","6","10","1") = "9"
    & skf18("4","6","6","10","7","1","1") = "9"
    & skf18("4","6","6","10","7","2","1") = "9"
    & skf18("4","6","6","10","7","3","1") = "9"
    & skf18("4","6","6","10","7","4","1") = "9"
    & skf18("4","6","6","10","7","5","1") = "9"
    & skf18("4","6","6","10","7","6","1") = "9"
    & skf18("4","6","6","10","7","7","1") = "9"
    & skf18("4","6","6","10","7","8","1") = "9"
    & skf18("4","6","6","10","7","9","1") = "9"
    & skf18("4","6","6","10","7","10","1") = "9"
    & skf18("4","6","6","10","8","1","1") = "9"
    & skf18("4","6","6","10","8","2","1") = "9"
    & skf18("4","6","6","10","8","3","1") = "9"
    & skf18("4","6","6","10","8","4","1") = "9"
    & skf18("4","6","6","10","8","5","1") = "9"
    & skf18("4","6","6","10","8","6","1") = "9"
    & skf18("4","6","6","10","8","7","1") = "9"
    & skf18("4","6","6","10","8","8","1") = "9"
    & skf18("4","6","6","10","8","9","1") = "9"
    & skf18("4","6","6","10","8","10","1") = "9"
    & skf18("4","6","6","10","9","1","1") = "9"
    & skf18("4","6","6","10","9","2","1") = "9"
    & skf18("4","6","6","10","9","3","1") = "9"
    & skf18("4","6","6","10","9","4","1") = "9"
    & skf18("4","6","6","10","9","5","1") = "9"
    & skf18("4","6","6","10","9","6","1") = "9"
    & skf18("4","6","6","10","9","7","1") = "9"
    & skf18("4","6","6","10","9","8","1") = "9"
    & skf18("4","6","6","10","9","9","1") = "9"
    & skf18("4","6","6","10","9","10","1") = "9"
    & skf18("4","6","6","10","10","1","1") = "9"
    & skf18("4","6","6","10","10","2","1") = "9"
    & skf18("4","6","6","10","10","3","1") = "9"
    & skf18("4","6","6","10","10","4","1") = "9"
    & skf18("4","6","6","10","10","5","1") = "9"
    & skf18("4","6","6","10","10","6","1") = "9"
    & skf18("4","6","6","10","10","7","1") = "9"
    & skf18("4","6","6","10","10","8","1") = "9"
    & skf18("4","6","6","10","10","9","1") = "9"
    & skf18("4","6","6","10","10","10","1") = "9"
    & skf18("4","6","7","1","1","1","1") = "6"
    & skf18("4","6","7","1","1","2","1") = "6"
    & skf18("4","6","7","1","1","3","1") = "6"
    & skf18("4","6","7","1","1","4","1") = "6"
    & skf18("4","6","7","1","1","5","1") = "6"
    & skf18("4","6","7","1","1","6","1") = "6"
    & skf18("4","6","7","1","1","7","1") = "6"
    & skf18("4","6","7","1","1","8","1") = "7"
    & skf18("4","6","7","1","1","9","1") = "8"
    & skf18("4","6","7","1","1","10","1") = "9"
    & skf18("4","6","7","1","2","1","1") = "6"
    & skf18("4","6","7","1","2","2","1") = "6"
    & skf18("4","6","7","1","2","3","1") = "6"
    & skf18("4","6","7","1","2","4","1") = "6"
    & skf18("4","6","7","1","2","5","1") = "6"
    & skf18("4","6","7","1","2","6","1") = "6"
    & skf18("4","6","7","1","2","7","1") = "6"
    & skf18("4","6","7","1","2","8","1") = "7"
    & skf18("4","6","7","1","2","9","1") = "8"
    & skf18("4","6","7","1","2","10","1") = "9"
    & skf18("4","6","7","1","3","1","1") = "6"
    & skf18("4","6","7","1","3","2","1") = "6"
    & skf18("4","6","7","1","3","3","1") = "6"
    & skf18("4","6","7","1","3","4","1") = "6"
    & skf18("4","6","7","1","3","5","1") = "6"
    & skf18("4","6","7","1","3","6","1") = "6"
    & skf18("4","6","7","1","3","7","1") = "6"
    & skf18("4","6","7","1","3","8","1") = "7"
    & skf18("4","6","7","1","3","9","1") = "8"
    & skf18("4","6","7","1","3","10","1") = "9"
    & skf18("4","6","7","1","4","1","1") = "6"
    & skf18("4","6","7","1","4","2","1") = "6"
    & skf18("4","6","7","1","4","3","1") = "6"
    & skf18("4","6","7","1","4","4","1") = "6"
    & skf18("4","6","7","1","4","5","1") = "6"
    & skf18("4","6","7","1","4","6","1") = "6"
    & skf18("4","6","7","1","4","7","1") = "6"
    & skf18("4","6","7","1","4","8","1") = "7"
    & skf18("4","6","7","1","4","9","1") = "8"
    & skf18("4","6","7","1","4","10","1") = "9"
    & skf18("4","6","7","1","5","1","1") = "6"
    & skf18("4","6","7","1","5","2","1") = "6"
    & skf18("4","6","7","1","5","3","1") = "6"
    & skf18("4","6","7","1","5","4","1") = "6"
    & skf18("4","6","7","1","5","5","1") = "6"
    & skf18("4","6","7","1","5","6","1") = "6"
    & skf18("4","6","7","1","5","7","1") = "6"
    & skf18("4","6","7","1","5","8","1") = "7"
    & skf18("4","6","7","1","5","9","1") = "8"
    & skf18("4","6","7","1","5","10","1") = "9"
    & skf18("4","6","7","1","6","1","1") = "6"
    & skf18("4","6","7","1","6","2","1") = "6"
    & skf18("4","6","7","1","6","3","1") = "6"
    & skf18("4","6","7","1","6","4","1") = "6"
    & skf18("4","6","7","1","6","5","1") = "6"
    & skf18("4","6","7","1","6","6","1") = "6"
    & skf18("4","6","7","1","6","7","1") = "6"
    & skf18("4","6","7","1","6","8","1") = "7"
    & skf18("4","6","7","1","6","9","1") = "8"
    & skf18("4","6","7","1","6","10","1") = "9"
    & skf18("4","6","7","1","7","1","1") = "6"
    & skf18("4","6","7","1","7","2","1") = "6"
    & skf18("4","6","7","1","7","3","1") = "6"
    & skf18("4","6","7","1","7","4","1") = "6"
    & skf18("4","6","7","1","7","5","1") = "6"
    & skf18("4","6","7","1","7","6","1") = "6"
    & skf18("4","6","7","1","7","7","1") = "6"
    & skf18("4","6","7","1","7","8","1") = "7"
    & skf18("4","6","7","1","7","9","1") = "8"
    & skf18("4","6","7","1","7","10","1") = "9"
    & skf18("4","6","7","1","8","1","1") = "7"
    & skf18("4","6","7","1","8","2","1") = "7"
    & skf18("4","6","7","1","8","3","1") = "7"
    & skf18("4","6","7","1","8","4","1") = "7"
    & skf18("4","6","7","1","8","5","1") = "7"
    & skf18("4","6","7","1","8","6","1") = "7"
    & skf18("4","6","7","1","8","7","1") = "7"
    & skf18("4","6","7","1","8","8","1") = "7"
    & skf18("4","6","7","1","8","9","1") = "8"
    & skf18("4","6","7","1","8","10","1") = "9"
    & skf18("4","6","7","1","9","1","1") = "8"
    & skf18("4","6","7","1","9","2","1") = "8"
    & skf18("4","6","7","1","9","3","1") = "8"
    & skf18("4","6","7","1","9","4","1") = "8"
    & skf18("4","6","7","1","9","5","1") = "8"
    & skf18("4","6","7","1","9","6","1") = "8"
    & skf18("4","6","7","1","9","7","1") = "8"
    & skf18("4","6","7","1","9","8","1") = "8"
    & skf18("4","6","7","1","9","9","1") = "8"
    & skf18("4","6","7","1","9","10","1") = "9"
    & skf18("4","6","7","1","10","1","1") = "9"
    & skf18("4","6","7","1","10","2","1") = "9"
    & skf18("4","6","7","1","10","3","1") = "9"
    & skf18("4","6","7","1","10","4","1") = "9"
    & skf18("4","6","7","1","10","5","1") = "9"
    & skf18("4","6","7","1","10","6","1") = "9"
    & skf18("4","6","7","1","10","7","1") = "9"
    & skf18("4","6","7","1","10","8","1") = "9"
    & skf18("4","6","7","1","10","9","1") = "9"
    & skf18("4","6","7","1","10","10","1") = "9"
    & skf18("4","6","7","2","1","1","1") = "6"
    & skf18("4","6","7","2","1","2","1") = "6"
    & skf18("4","6","7","2","1","3","1") = "6"
    & skf18("4","6","7","2","1","4","1") = "6"
    & skf18("4","6","7","2","1","5","1") = "6"
    & skf18("4","6","7","2","1","6","1") = "6"
    & skf18("4","6","7","2","1","7","1") = "6"
    & skf18("4","6","7","2","1","8","1") = "7"
    & skf18("4","6","7","2","1","9","1") = "8"
    & skf18("4","6","7","2","1","10","1") = "9"
    & skf18("4","6","7","2","2","1","1") = "6"
    & skf18("4","6","7","2","2","2","1") = "6"
    & skf18("4","6","7","2","2","3","1") = "6"
    & skf18("4","6","7","2","2","4","1") = "6"
    & skf18("4","6","7","2","2","5","1") = "6"
    & skf18("4","6","7","2","2","6","1") = "6"
    & skf18("4","6","7","2","2","7","1") = "6"
    & skf18("4","6","7","2","2","8","1") = "7"
    & skf18("4","6","7","2","2","9","1") = "8"
    & skf18("4","6","7","2","2","10","1") = "9"
    & skf18("4","6","7","2","3","1","1") = "6"
    & skf18("4","6","7","2","3","2","1") = "6"
    & skf18("4","6","7","2","3","3","1") = "6"
    & skf18("4","6","7","2","3","4","1") = "6"
    & skf18("4","6","7","2","3","5","1") = "6"
    & skf18("4","6","7","2","3","6","1") = "6"
    & skf18("4","6","7","2","3","7","1") = "6"
    & skf18("4","6","7","2","3","8","1") = "7"
    & skf18("4","6","7","2","3","9","1") = "8"
    & skf18("4","6","7","2","3","10","1") = "9"
    & skf18("4","6","7","2","4","1","1") = "6"
    & skf18("4","6","7","2","4","2","1") = "6"
    & skf18("4","6","7","2","4","3","1") = "6"
    & skf18("4","6","7","2","4","4","1") = "6"
    & skf18("4","6","7","2","4","5","1") = "6"
    & skf18("4","6","7","2","4","6","1") = "6"
    & skf18("4","6","7","2","4","7","1") = "6"
    & skf18("4","6","7","2","4","8","1") = "7"
    & skf18("4","6","7","2","4","9","1") = "8"
    & skf18("4","6","7","2","4","10","1") = "9"
    & skf18("4","6","7","2","5","1","1") = "6"
    & skf18("4","6","7","2","5","2","1") = "6"
    & skf18("4","6","7","2","5","3","1") = "6"
    & skf18("4","6","7","2","5","4","1") = "6"
    & skf18("4","6","7","2","5","5","1") = "6"
    & skf18("4","6","7","2","5","6","1") = "6"
    & skf18("4","6","7","2","5","7","1") = "6"
    & skf18("4","6","7","2","5","8","1") = "7"
    & skf18("4","6","7","2","5","9","1") = "8"
    & skf18("4","6","7","2","5","10","1") = "9"
    & skf18("4","6","7","2","6","1","1") = "6"
    & skf18("4","6","7","2","6","2","1") = "6"
    & skf18("4","6","7","2","6","3","1") = "6"
    & skf18("4","6","7","2","6","4","1") = "6"
    & skf18("4","6","7","2","6","5","1") = "6"
    & skf18("4","6","7","2","6","6","1") = "6"
    & skf18("4","6","7","2","6","7","1") = "6"
    & skf18("4","6","7","2","6","8","1") = "7"
    & skf18("4","6","7","2","6","9","1") = "8"
    & skf18("4","6","7","2","6","10","1") = "9"
    & skf18("4","6","7","2","7","1","1") = "6"
    & skf18("4","6","7","2","7","2","1") = "6"
    & skf18("4","6","7","2","7","3","1") = "6"
    & skf18("4","6","7","2","7","4","1") = "6"
    & skf18("4","6","7","2","7","5","1") = "6"
    & skf18("4","6","7","2","7","6","1") = "6"
    & skf18("4","6","7","2","7","7","1") = "6"
    & skf18("4","6","7","2","7","8","1") = "7"
    & skf18("4","6","7","2","7","9","1") = "8"
    & skf18("4","6","7","2","7","10","1") = "9"
    & skf18("4","6","7","2","8","1","1") = "7"
    & skf18("4","6","7","2","8","2","1") = "7"
    & skf18("4","6","7","2","8","3","1") = "7"
    & skf18("4","6","7","2","8","4","1") = "7"
    & skf18("4","6","7","2","8","5","1") = "7"
    & skf18("4","6","7","2","8","6","1") = "7"
    & skf18("4","6","7","2","8","7","1") = "7"
    & skf18("4","6","7","2","8","8","1") = "7"
    & skf18("4","6","7","2","8","9","1") = "8"
    & skf18("4","6","7","2","8","10","1") = "9"
    & skf18("4","6","7","2","9","1","1") = "8"
    & skf18("4","6","7","2","9","2","1") = "8"
    & skf18("4","6","7","2","9","3","1") = "8"
    & skf18("4","6","7","2","9","4","1") = "8"
    & skf18("4","6","7","2","9","5","1") = "8"
    & skf18("4","6","7","2","9","6","1") = "8"
    & skf18("4","6","7","2","9","7","1") = "8"
    & skf18("4","6","7","2","9","8","1") = "8"
    & skf18("4","6","7","2","9","9","1") = "8"
    & skf18("4","6","7","2","9","10","1") = "9"
    & skf18("4","6","7","2","10","1","1") = "9"
    & skf18("4","6","7","2","10","2","1") = "9"
    & skf18("4","6","7","2","10","3","1") = "9"
    & skf18("4","6","7","2","10","4","1") = "9"
    & skf18("4","6","7","2","10","5","1") = "9"
    & skf18("4","6","7","2","10","6","1") = "9"
    & skf18("4","6","7","2","10","7","1") = "9"
    & skf18("4","6","7","2","10","8","1") = "9"
    & skf18("4","6","7","2","10","9","1") = "9"
    & skf18("4","6","7","2","10","10","1") = "9"
    & skf18("4","6","7","3","1","1","1") = "6"
    & skf18("4","6","7","3","1","2","1") = "6"
    & skf18("4","6","7","3","1","3","1") = "6"
    & skf18("4","6","7","3","1","4","1") = "6"
    & skf18("4","6","7","3","1","5","1") = "6"
    & skf18("4","6","7","3","1","6","1") = "6"
    & skf18("4","6","7","3","1","7","1") = "6"
    & skf18("4","6","7","3","1","8","1") = "7"
    & skf18("4","6","7","3","1","9","1") = "8"
    & skf18("4","6","7","3","1","10","1") = "9"
    & skf18("4","6","7","3","2","1","1") = "6"
    & skf18("4","6","7","3","2","2","1") = "6"
    & skf18("4","6","7","3","2","3","1") = "6"
    & skf18("4","6","7","3","2","4","1") = "6"
    & skf18("4","6","7","3","2","5","1") = "6"
    & skf18("4","6","7","3","2","6","1") = "6"
    & skf18("4","6","7","3","2","7","1") = "6"
    & skf18("4","6","7","3","2","8","1") = "7"
    & skf18("4","6","7","3","2","9","1") = "8"
    & skf18("4","6","7","3","2","10","1") = "9"
    & skf18("4","6","7","3","3","1","1") = "6"
    & skf18("4","6","7","3","3","2","1") = "6"
    & skf18("4","6","7","3","3","3","1") = "6"
    & skf18("4","6","7","3","3","4","1") = "6"
    & skf18("4","6","7","3","3","5","1") = "6"
    & skf18("4","6","7","3","3","6","1") = "6"
    & skf18("4","6","7","3","3","7","1") = "6"
    & skf18("4","6","7","3","3","8","1") = "7"
    & skf18("4","6","7","3","3","9","1") = "8"
    & skf18("4","6","7","3","3","10","1") = "9"
    & skf18("4","6","7","3","4","1","1") = "6"
    & skf18("4","6","7","3","4","2","1") = "6"
    & skf18("4","6","7","3","4","3","1") = "6"
    & skf18("4","6","7","3","4","4","1") = "6"
    & skf18("4","6","7","3","4","5","1") = "6"
    & skf18("4","6","7","3","4","6","1") = "6"
    & skf18("4","6","7","3","4","7","1") = "6"
    & skf18("4","6","7","3","4","8","1") = "7"
    & skf18("4","6","7","3","4","9","1") = "8"
    & skf18("4","6","7","3","4","10","1") = "9"
    & skf18("4","6","7","3","5","1","1") = "6"
    & skf18("4","6","7","3","5","2","1") = "6"
    & skf18("4","6","7","3","5","3","1") = "6"
    & skf18("4","6","7","3","5","4","1") = "6"
    & skf18("4","6","7","3","5","5","1") = "6"
    & skf18("4","6","7","3","5","6","1") = "6"
    & skf18("4","6","7","3","5","7","1") = "6"
    & skf18("4","6","7","3","5","8","1") = "7"
    & skf18("4","6","7","3","5","9","1") = "8"
    & skf18("4","6","7","3","5","10","1") = "9"
    & skf18("4","6","7","3","6","1","1") = "6"
    & skf18("4","6","7","3","6","2","1") = "6"
    & skf18("4","6","7","3","6","3","1") = "6"
    & skf18("4","6","7","3","6","4","1") = "6"
    & skf18("4","6","7","3","6","5","1") = "6"
    & skf18("4","6","7","3","6","6","1") = "6"
    & skf18("4","6","7","3","6","7","1") = "6"
    & skf18("4","6","7","3","6","8","1") = "7"
    & skf18("4","6","7","3","6","9","1") = "8"
    & skf18("4","6","7","3","6","10","1") = "9"
    & skf18("4","6","7","3","7","1","1") = "6"
    & skf18("4","6","7","3","7","2","1") = "6"
    & skf18("4","6","7","3","7","3","1") = "6"
    & skf18("4","6","7","3","7","4","1") = "6"
    & skf18("4","6","7","3","7","5","1") = "6"
    & skf18("4","6","7","3","7","6","1") = "6"
    & skf18("4","6","7","3","7","7","1") = "6"
    & skf18("4","6","7","3","7","8","1") = "7"
    & skf18("4","6","7","3","7","9","1") = "8"
    & skf18("4","6","7","3","7","10","1") = "9"
    & skf18("4","6","7","3","8","1","1") = "7"
    & skf18("4","6","7","3","8","2","1") = "7"
    & skf18("4","6","7","3","8","3","1") = "7"
    & skf18("4","6","7","3","8","4","1") = "7"
    & skf18("4","6","7","3","8","5","1") = "7"
    & skf18("4","6","7","3","8","6","1") = "7"
    & skf18("4","6","7","3","8","7","1") = "7"
    & skf18("4","6","7","3","8","8","1") = "7"
    & skf18("4","6","7","3","8","9","1") = "8"
    & skf18("4","6","7","3","8","10","1") = "9"
    & skf18("4","6","7","3","9","1","1") = "8"
    & skf18("4","6","7","3","9","2","1") = "8"
    & skf18("4","6","7","3","9","3","1") = "8"
    & skf18("4","6","7","3","9","4","1") = "8"
    & skf18("4","6","7","3","9","5","1") = "8"
    & skf18("4","6","7","3","9","6","1") = "8"
    & skf18("4","6","7","3","9","7","1") = "8"
    & skf18("4","6","7","3","9","8","1") = "8"
    & skf18("4","6","7","3","9","9","1") = "8"
    & skf18("4","6","7","3","9","10","1") = "9"
    & skf18("4","6","7","3","10","1","1") = "9"
    & skf18("4","6","7","3","10","2","1") = "9"
    & skf18("4","6","7","3","10","3","1") = "9"
    & skf18("4","6","7","3","10","4","1") = "9"
    & skf18("4","6","7","3","10","5","1") = "9"
    & skf18("4","6","7","3","10","6","1") = "9"
    & skf18("4","6","7","3","10","7","1") = "9"
    & skf18("4","6","7","3","10","8","1") = "9"
    & skf18("4","6","7","3","10","9","1") = "9"
    & skf18("4","6","7","3","10","10","1") = "9"
    & skf18("4","6","7","4","1","1","1") = "6"
    & skf18("4","6","7","4","1","2","1") = "6"
    & skf18("4","6","7","4","1","3","1") = "6"
    & skf18("4","6","7","4","1","4","1") = "6"
    & skf18("4","6","7","4","1","5","1") = "6"
    & skf18("4","6","7","4","1","6","1") = "6"
    & skf18("4","6","7","4","1","7","1") = "6"
    & skf18("4","6","7","4","1","8","1") = "7"
    & skf18("4","6","7","4","1","9","1") = "8"
    & skf18("4","6","7","4","1","10","1") = "9"
    & skf18("4","6","7","4","2","1","1") = "6"
    & skf18("4","6","7","4","2","2","1") = "6"
    & skf18("4","6","7","4","2","3","1") = "6"
    & skf18("4","6","7","4","2","4","1") = "6"
    & skf18("4","6","7","4","2","5","1") = "6"
    & skf18("4","6","7","4","2","6","1") = "6"
    & skf18("4","6","7","4","2","7","1") = "6"
    & skf18("4","6","7","4","2","8","1") = "7"
    & skf18("4","6","7","4","2","9","1") = "8"
    & skf18("4","6","7","4","2","10","1") = "9"
    & skf18("4","6","7","4","3","1","1") = "6"
    & skf18("4","6","7","4","3","2","1") = "6"
    & skf18("4","6","7","4","3","3","1") = "6"
    & skf18("4","6","7","4","3","4","1") = "6"
    & skf18("4","6","7","4","3","5","1") = "6"
    & skf18("4","6","7","4","3","6","1") = "6"
    & skf18("4","6","7","4","3","7","1") = "6"
    & skf18("4","6","7","4","3","8","1") = "7"
    & skf18("4","6","7","4","3","9","1") = "8"
    & skf18("4","6","7","4","3","10","1") = "9"
    & skf18("4","6","7","4","4","1","1") = "6"
    & skf18("4","6","7","4","4","2","1") = "6"
    & skf18("4","6","7","4","4","3","1") = "6"
    & skf18("4","6","7","4","4","4","1") = "6"
    & skf18("4","6","7","4","4","5","1") = "6"
    & skf18("4","6","7","4","4","6","1") = "6"
    & skf18("4","6","7","4","4","7","1") = "6"
    & skf18("4","6","7","4","4","8","1") = "7"
    & skf18("4","6","7","4","4","9","1") = "8"
    & skf18("4","6","7","4","4","10","1") = "9"
    & skf18("4","6","7","4","5","1","1") = "6"
    & skf18("4","6","7","4","5","2","1") = "6"
    & skf18("4","6","7","4","5","3","1") = "6"
    & skf18("4","6","7","4","5","4","1") = "6"
    & skf18("4","6","7","4","5","5","1") = "6"
    & skf18("4","6","7","4","5","6","1") = "6"
    & skf18("4","6","7","4","5","7","1") = "6"
    & skf18("4","6","7","4","5","8","1") = "7"
    & skf18("4","6","7","4","5","9","1") = "8"
    & skf18("4","6","7","4","5","10","1") = "9"
    & skf18("4","6","7","4","6","1","1") = "6"
    & skf18("4","6","7","4","6","2","1") = "6"
    & skf18("4","6","7","4","6","3","1") = "6"
    & skf18("4","6","7","4","6","4","1") = "6"
    & skf18("4","6","7","4","6","5","1") = "6"
    & skf18("4","6","7","4","6","6","1") = "6"
    & skf18("4","6","7","4","6","7","1") = "6"
    & skf18("4","6","7","4","6","8","1") = "7"
    & skf18("4","6","7","4","6","9","1") = "8"
    & skf18("4","6","7","4","6","10","1") = "9"
    & skf18("4","6","7","4","7","1","1") = "6"
    & skf18("4","6","7","4","7","2","1") = "6"
    & skf18("4","6","7","4","7","3","1") = "6"
    & skf18("4","6","7","4","7","4","1") = "6"
    & skf18("4","6","7","4","7","5","1") = "6"
    & skf18("4","6","7","4","7","6","1") = "6"
    & skf18("4","6","7","4","7","7","1") = "6"
    & skf18("4","6","7","4","7","8","1") = "7"
    & skf18("4","6","7","4","7","9","1") = "8"
    & skf18("4","6","7","4","7","10","1") = "9"
    & skf18("4","6","7","4","8","1","1") = "7"
    & skf18("4","6","7","4","8","2","1") = "7"
    & skf18("4","6","7","4","8","3","1") = "7"
    & skf18("4","6","7","4","8","4","1") = "7"
    & skf18("4","6","7","4","8","5","1") = "7"
    & skf18("4","6","7","4","8","6","1") = "7"
    & skf18("4","6","7","4","8","7","1") = "7"
    & skf18("4","6","7","4","8","8","1") = "7"
    & skf18("4","6","7","4","8","9","1") = "8"
    & skf18("4","6","7","4","8","10","1") = "9"
    & skf18("4","6","7","4","9","1","1") = "8"
    & skf18("4","6","7","4","9","2","1") = "8"
    & skf18("4","6","7","4","9","3","1") = "8"
    & skf18("4","6","7","4","9","4","1") = "8"
    & skf18("4","6","7","4","9","5","1") = "8"
    & skf18("4","6","7","4","9","6","1") = "8"
    & skf18("4","6","7","4","9","7","1") = "8"
    & skf18("4","6","7","4","9","8","1") = "8"
    & skf18("4","6","7","4","9","9","1") = "8"
    & skf18("4","6","7","4","9","10","1") = "9"
    & skf18("4","6","7","4","10","1","1") = "9"
    & skf18("4","6","7","4","10","2","1") = "9"
    & skf18("4","6","7","4","10","3","1") = "9"
    & skf18("4","6","7","4","10","4","1") = "9"
    & skf18("4","6","7","4","10","5","1") = "9"
    & skf18("4","6","7","4","10","6","1") = "9"
    & skf18("4","6","7","4","10","7","1") = "9"
    & skf18("4","6","7","4","10","8","1") = "9"
    & skf18("4","6","7","4","10","9","1") = "9"
    & skf18("4","6","7","4","10","10","1") = "9"
    & skf18("4","6","7","5","1","1","1") = "6"
    & skf18("4","6","7","5","1","2","1") = "6"
    & skf18("4","6","7","5","1","3","1") = "6"
    & skf18("4","6","7","5","1","4","1") = "6"
    & skf18("4","6","7","5","1","5","1") = "6"
    & skf18("4","6","7","5","1","6","1") = "6"
    & skf18("4","6","7","5","1","7","1") = "6"
    & skf18("4","6","7","5","1","8","1") = "7"
    & skf18("4","6","7","5","1","9","1") = "8"
    & skf18("4","6","7","5","1","10","1") = "9"
    & skf18("4","6","7","5","2","1","1") = "6"
    & skf18("4","6","7","5","2","2","1") = "6"
    & skf18("4","6","7","5","2","3","1") = "6"
    & skf18("4","6","7","5","2","4","1") = "6"
    & skf18("4","6","7","5","2","5","1") = "6"
    & skf18("4","6","7","5","2","6","1") = "6"
    & skf18("4","6","7","5","2","7","1") = "6"
    & skf18("4","6","7","5","2","8","1") = "7"
    & skf18("4","6","7","5","2","9","1") = "8"
    & skf18("4","6","7","5","2","10","1") = "9"
    & skf18("4","6","7","5","3","1","1") = "6"
    & skf18("4","6","7","5","3","2","1") = "6"
    & skf18("4","6","7","5","3","3","1") = "6"
    & skf18("4","6","7","5","3","4","1") = "6"
    & skf18("4","6","7","5","3","5","1") = "6"
    & skf18("4","6","7","5","3","6","1") = "6"
    & skf18("4","6","7","5","3","7","1") = "6"
    & skf18("4","6","7","5","3","8","1") = "7"
    & skf18("4","6","7","5","3","9","1") = "8"
    & skf18("4","6","7","5","3","10","1") = "9"
    & skf18("4","6","7","5","4","1","1") = "6"
    & skf18("4","6","7","5","4","2","1") = "6"
    & skf18("4","6","7","5","4","3","1") = "6"
    & skf18("4","6","7","5","4","4","1") = "6"
    & skf18("4","6","7","5","4","5","1") = "6"
    & skf18("4","6","7","5","4","6","1") = "6"
    & skf18("4","6","7","5","4","7","1") = "6"
    & skf18("4","6","7","5","4","8","1") = "7"
    & skf18("4","6","7","5","4","9","1") = "8"
    & skf18("4","6","7","5","4","10","1") = "9"
    & skf18("4","6","7","5","5","1","1") = "6"
    & skf18("4","6","7","5","5","2","1") = "6"
    & skf18("4","6","7","5","5","3","1") = "6"
    & skf18("4","6","7","5","5","4","1") = "6"
    & skf18("4","6","7","5","5","5","1") = "6"
    & skf18("4","6","7","5","5","6","1") = "6"
    & skf18("4","6","7","5","5","7","1") = "6"
    & skf18("4","6","7","5","5","8","1") = "7"
    & skf18("4","6","7","5","5","9","1") = "8"
    & skf18("4","6","7","5","5","10","1") = "9"
    & skf18("4","6","7","5","6","1","1") = "6"
    & skf18("4","6","7","5","6","2","1") = "6"
    & skf18("4","6","7","5","6","3","1") = "6"
    & skf18("4","6","7","5","6","4","1") = "6"
    & skf18("4","6","7","5","6","5","1") = "6"
    & skf18("4","6","7","5","6","6","1") = "6"
    & skf18("4","6","7","5","6","7","1") = "6"
    & skf18("4","6","7","5","6","8","1") = "7"
    & skf18("4","6","7","5","6","9","1") = "8"
    & skf18("4","6","7","5","6","10","1") = "9"
    & skf18("4","6","7","5","7","1","1") = "6"
    & skf18("4","6","7","5","7","2","1") = "6"
    & skf18("4","6","7","5","7","3","1") = "6"
    & skf18("4","6","7","5","7","4","1") = "6"
    & skf18("4","6","7","5","7","5","1") = "6"
    & skf18("4","6","7","5","7","6","1") = "6"
    & skf18("4","6","7","5","7","7","1") = "6"
    & skf18("4","6","7","5","7","8","1") = "7"
    & skf18("4","6","7","5","7","9","1") = "8"
    & skf18("4","6","7","5","7","10","1") = "9"
    & skf18("4","6","7","5","8","1","1") = "7"
    & skf18("4","6","7","5","8","2","1") = "7"
    & skf18("4","6","7","5","8","3","1") = "7"
    & skf18("4","6","7","5","8","4","1") = "7"
    & skf18("4","6","7","5","8","5","1") = "7"
    & skf18("4","6","7","5","8","6","1") = "7"
    & skf18("4","6","7","5","8","7","1") = "7"
    & skf18("4","6","7","5","8","8","1") = "7"
    & skf18("4","6","7","5","8","9","1") = "8"
    & skf18("4","6","7","5","8","10","1") = "9"
    & skf18("4","6","7","5","9","1","1") = "8"
    & skf18("4","6","7","5","9","2","1") = "8"
    & skf18("4","6","7","5","9","3","1") = "8"
    & skf18("4","6","7","5","9","4","1") = "8"
    & skf18("4","6","7","5","9","5","1") = "8"
    & skf18("4","6","7","5","9","6","1") = "8"
    & skf18("4","6","7","5","9","7","1") = "8"
    & skf18("4","6","7","5","9","8","1") = "8"
    & skf18("4","6","7","5","9","9","1") = "8"
    & skf18("4","6","7","5","9","10","1") = "9"
    & skf18("4","6","7","5","10","1","1") = "9"
    & skf18("4","6","7","5","10","2","1") = "9"
    & skf18("4","6","7","5","10","3","1") = "9"
    & skf18("4","6","7","5","10","4","1") = "9"
    & skf18("4","6","7","5","10","5","1") = "9"
    & skf18("4","6","7","5","10","6","1") = "9"
    & skf18("4","6","7","5","10","7","1") = "9"
    & skf18("4","6","7","5","10","8","1") = "9"
    & skf18("4","6","7","5","10","9","1") = "9"
    & skf18("4","6","7","5","10","10","1") = "9"
    & skf18("4","6","7","6","1","1","1") = "6"
    & skf18("4","6","7","6","1","2","1") = "6"
    & skf18("4","6","7","6","1","3","1") = "6"
    & skf18("4","6","7","6","1","4","1") = "6"
    & skf18("4","6","7","6","1","5","1") = "6"
    & skf18("4","6","7","6","1","6","1") = "6"
    & skf18("4","6","7","6","1","7","1") = "6"
    & skf18("4","6","7","6","1","8","1") = "7"
    & skf18("4","6","7","6","1","9","1") = "8"
    & skf18("4","6","7","6","1","10","1") = "9"
    & skf18("4","6","7","6","2","1","1") = "6"
    & skf18("4","6","7","6","2","2","1") = "6"
    & skf18("4","6","7","6","2","3","1") = "6"
    & skf18("4","6","7","6","2","4","1") = "6"
    & skf18("4","6","7","6","2","5","1") = "6"
    & skf18("4","6","7","6","2","6","1") = "6"
    & skf18("4","6","7","6","2","7","1") = "6"
    & skf18("4","6","7","6","2","8","1") = "7"
    & skf18("4","6","7","6","2","9","1") = "8"
    & skf18("4","6","7","6","2","10","1") = "9"
    & skf18("4","6","7","6","3","1","1") = "6"
    & skf18("4","6","7","6","3","2","1") = "6"
    & skf18("4","6","7","6","3","3","1") = "6"
    & skf18("4","6","7","6","3","4","1") = "6"
    & skf18("4","6","7","6","3","5","1") = "6"
    & skf18("4","6","7","6","3","6","1") = "6"
    & skf18("4","6","7","6","3","7","1") = "6"
    & skf18("4","6","7","6","3","8","1") = "7"
    & skf18("4","6","7","6","3","9","1") = "8"
    & skf18("4","6","7","6","3","10","1") = "9"
    & skf18("4","6","7","6","4","1","1") = "6"
    & skf18("4","6","7","6","4","2","1") = "6"
    & skf18("4","6","7","6","4","3","1") = "6"
    & skf18("4","6","7","6","4","4","1") = "6"
    & skf18("4","6","7","6","4","5","1") = "6"
    & skf18("4","6","7","6","4","6","1") = "6"
    & skf18("4","6","7","6","4","7","1") = "6"
    & skf18("4","6","7","6","4","8","1") = "7"
    & skf18("4","6","7","6","4","9","1") = "8"
    & skf18("4","6","7","6","4","10","1") = "9"
    & skf18("4","6","7","6","5","1","1") = "6"
    & skf18("4","6","7","6","5","2","1") = "6"
    & skf18("4","6","7","6","5","3","1") = "6"
    & skf18("4","6","7","6","5","4","1") = "6"
    & skf18("4","6","7","6","5","5","1") = "6"
    & skf18("4","6","7","6","5","6","1") = "6"
    & skf18("4","6","7","6","5","7","1") = "6"
    & skf18("4","6","7","6","5","8","1") = "7"
    & skf18("4","6","7","6","5","9","1") = "8"
    & skf18("4","6","7","6","5","10","1") = "9"
    & skf18("4","6","7","6","6","1","1") = "6"
    & skf18("4","6","7","6","6","2","1") = "6"
    & skf18("4","6","7","6","6","3","1") = "6"
    & skf18("4","6","7","6","6","4","1") = "6"
    & skf18("4","6","7","6","6","5","1") = "6"
    & skf18("4","6","7","6","6","6","1") = "6"
    & skf18("4","6","7","6","6","7","1") = "6"
    & skf18("4","6","7","6","6","8","1") = "7"
    & skf18("4","6","7","6","6","9","1") = "8"
    & skf18("4","6","7","6","6","10","1") = "9"
    & skf18("4","6","7","6","7","1","1") = "6"
    & skf18("4","6","7","6","7","2","1") = "6"
    & skf18("4","6","7","6","7","3","1") = "6"
    & skf18("4","6","7","6","7","4","1") = "6"
    & skf18("4","6","7","6","7","5","1") = "6"
    & skf18("4","6","7","6","7","6","1") = "6"
    & skf18("4","6","7","6","7","7","1") = "6"
    & skf18("4","6","7","6","7","8","1") = "7"
    & skf18("4","6","7","6","7","9","1") = "8"
    & skf18("4","6","7","6","7","10","1") = "9"
    & skf18("4","6","7","6","8","1","1") = "7"
    & skf18("4","6","7","6","8","2","1") = "7"
    & skf18("4","6","7","6","8","3","1") = "7"
    & skf18("4","6","7","6","8","4","1") = "7"
    & skf18("4","6","7","6","8","5","1") = "7"
    & skf18("4","6","7","6","8","6","1") = "7"
    & skf18("4","6","7","6","8","7","1") = "7"
    & skf18("4","6","7","6","8","8","1") = "7"
    & skf18("4","6","7","6","8","9","1") = "8"
    & skf18("4","6","7","6","8","10","1") = "9"
    & skf18("4","6","7","6","9","1","1") = "8"
    & skf18("4","6","7","6","9","2","1") = "8"
    & skf18("4","6","7","6","9","3","1") = "8"
    & skf18("4","6","7","6","9","4","1") = "8"
    & skf18("4","6","7","6","9","5","1") = "8"
    & skf18("4","6","7","6","9","6","1") = "8"
    & skf18("4","6","7","6","9","7","1") = "8"
    & skf18("4","6","7","6","9","8","1") = "8"
    & skf18("4","6","7","6","9","9","1") = "8"
    & skf18("4","6","7","6","9","10","1") = "9"
    & skf18("4","6","7","6","10","1","1") = "9"
    & skf18("4","6","7","6","10","2","1") = "9"
    & skf18("4","6","7","6","10","3","1") = "9"
    & skf18("4","6","7","6","10","4","1") = "9"
    & skf18("4","6","7","6","10","5","1") = "9"
    & skf18("4","6","7","6","10","6","1") = "9"
    & skf18("4","6","7","6","10","7","1") = "9"
    & skf18("4","6","7","6","10","8","1") = "9"
    & skf18("4","6","7","6","10","9","1") = "9"
    & skf18("4","6","7","6","10","10","1") = "9"
    & skf18("4","6","7","7","1","1","1") = "6"
    & skf18("4","6","7","7","1","2","1") = "6"
    & skf18("4","6","7","7","1","3","1") = "6"
    & skf18("4","6","7","7","1","4","1") = "6"
    & skf18("4","6","7","7","1","5","1") = "6"
    & skf18("4","6","7","7","1","6","1") = "6"
    & skf18("4","6","7","7","1","7","1") = "6"
    & skf18("4","6","7","7","1","8","1") = "7"
    & skf18("4","6","7","7","1","9","1") = "8"
    & skf18("4","6","7","7","1","10","1") = "9"
    & skf18("4","6","7","7","2","1","1") = "6"
    & skf18("4","6","7","7","2","2","1") = "6"
    & skf18("4","6","7","7","2","3","1") = "6"
    & skf18("4","6","7","7","2","4","1") = "6"
    & skf18("4","6","7","7","2","5","1") = "6"
    & skf18("4","6","7","7","2","6","1") = "6"
    & skf18("4","6","7","7","2","7","1") = "6"
    & skf18("4","6","7","7","2","8","1") = "7"
    & skf18("4","6","7","7","2","9","1") = "8"
    & skf18("4","6","7","7","2","10","1") = "9"
    & skf18("4","6","7","7","3","1","1") = "6"
    & skf18("4","6","7","7","3","2","1") = "6"
    & skf18("4","6","7","7","3","3","1") = "6"
    & skf18("4","6","7","7","3","4","1") = "6"
    & skf18("4","6","7","7","3","5","1") = "6"
    & skf18("4","6","7","7","3","6","1") = "6"
    & skf18("4","6","7","7","3","7","1") = "6"
    & skf18("4","6","7","7","3","8","1") = "7"
    & skf18("4","6","7","7","3","9","1") = "8"
    & skf18("4","6","7","7","3","10","1") = "9"
    & skf18("4","6","7","7","4","1","1") = "6"
    & skf18("4","6","7","7","4","2","1") = "6"
    & skf18("4","6","7","7","4","3","1") = "6"
    & skf18("4","6","7","7","4","4","1") = "6"
    & skf18("4","6","7","7","4","5","1") = "6"
    & skf18("4","6","7","7","4","6","1") = "6"
    & skf18("4","6","7","7","4","7","1") = "6"
    & skf18("4","6","7","7","4","8","1") = "7"
    & skf18("4","6","7","7","4","9","1") = "8"
    & skf18("4","6","7","7","4","10","1") = "9"
    & skf18("4","6","7","7","5","1","1") = "6"
    & skf18("4","6","7","7","5","2","1") = "6"
    & skf18("4","6","7","7","5","3","1") = "6"
    & skf18("4","6","7","7","5","4","1") = "6"
    & skf18("4","6","7","7","5","5","1") = "6"
    & skf18("4","6","7","7","5","6","1") = "6"
    & skf18("4","6","7","7","5","7","1") = "6"
    & skf18("4","6","7","7","5","8","1") = "7"
    & skf18("4","6","7","7","5","9","1") = "8"
    & skf18("4","6","7","7","5","10","1") = "9"
    & skf18("4","6","7","7","6","1","1") = "6"
    & skf18("4","6","7","7","6","2","1") = "6"
    & skf18("4","6","7","7","6","3","1") = "6"
    & skf18("4","6","7","7","6","4","1") = "6"
    & skf18("4","6","7","7","6","5","1") = "6"
    & skf18("4","6","7","7","6","6","1") = "6"
    & skf18("4","6","7","7","6","7","1") = "6"
    & skf18("4","6","7","7","6","8","1") = "7"
    & skf18("4","6","7","7","6","9","1") = "8"
    & skf18("4","6","7","7","6","10","1") = "9"
    & skf18("4","6","7","7","7","1","1") = "6"
    & skf18("4","6","7","7","7","2","1") = "6"
    & skf18("4","6","7","7","7","3","1") = "6"
    & skf18("4","6","7","7","7","4","1") = "6"
    & skf18("4","6","7","7","7","5","1") = "6"
    & skf18("4","6","7","7","7","6","1") = "6"
    & skf18("4","6","7","7","7","7","1") = "6"
    & skf18("4","6","7","7","7","8","1") = "7"
    & skf18("4","6","7","7","7","9","1") = "8"
    & skf18("4","6","7","7","7","10","1") = "9"
    & skf18("4","6","7","7","8","1","1") = "7"
    & skf18("4","6","7","7","8","2","1") = "7"
    & skf18("4","6","7","7","8","3","1") = "7"
    & skf18("4","6","7","7","8","4","1") = "7"
    & skf18("4","6","7","7","8","5","1") = "7"
    & skf18("4","6","7","7","8","6","1") = "7"
    & skf18("4","6","7","7","8","7","1") = "7"
    & skf18("4","6","7","7","8","8","1") = "7"
    & skf18("4","6","7","7","8","9","1") = "8"
    & skf18("4","6","7","7","8","10","1") = "9"
    & skf18("4","6","7","7","9","1","1") = "8"
    & skf18("4","6","7","7","9","2","1") = "8"
    & skf18("4","6","7","7","9","3","1") = "8"
    & skf18("4","6","7","7","9","4","1") = "8"
    & skf18("4","6","7","7","9","5","1") = "8"
    & skf18("4","6","7","7","9","6","1") = "8"
    & skf18("4","6","7","7","9","7","1") = "8"
    & skf18("4","6","7","7","9","8","1") = "8"
    & skf18("4","6","7","7","9","9","1") = "8"
    & skf18("4","6","7","7","9","10","1") = "9"
    & skf18("4","6","7","7","10","1","1") = "9"
    & skf18("4","6","7","7","10","2","1") = "9"
    & skf18("4","6","7","7","10","3","1") = "9"
    & skf18("4","6","7","7","10","4","1") = "9"
    & skf18("4","6","7","7","10","5","1") = "9"
    & skf18("4","6","7","7","10","6","1") = "9"
    & skf18("4","6","7","7","10","7","1") = "9"
    & skf18("4","6","7","7","10","8","1") = "9"
    & skf18("4","6","7","7","10","9","1") = "9"
    & skf18("4","6","7","7","10","10","1") = "9"
    & skf18("4","6","7","8","1","1","1") = "7"
    & skf18("4","6","7","8","1","2","1") = "7"
    & skf18("4","6","7","8","1","3","1") = "7"
    & skf18("4","6","7","8","1","4","1") = "7"
    & skf18("4","6","7","8","1","5","1") = "7"
    & skf18("4","6","7","8","1","6","1") = "7"
    & skf18("4","6","7","8","1","7","1") = "7"
    & skf18("4","6","7","8","1","8","1") = "7"
    & skf18("4","6","7","8","1","9","1") = "8"
    & skf18("4","6","7","8","1","10","1") = "9"
    & skf18("4","6","7","8","2","1","1") = "7"
    & skf18("4","6","7","8","2","2","1") = "7"
    & skf18("4","6","7","8","2","3","1") = "7"
    & skf18("4","6","7","8","2","4","1") = "7"
    & skf18("4","6","7","8","2","5","1") = "7"
    & skf18("4","6","7","8","2","6","1") = "7"
    & skf18("4","6","7","8","2","7","1") = "7"
    & skf18("4","6","7","8","2","8","1") = "7"
    & skf18("4","6","7","8","2","9","1") = "8"
    & skf18("4","6","7","8","2","10","1") = "9"
    & skf18("4","6","7","8","3","1","1") = "7"
    & skf18("4","6","7","8","3","2","1") = "7"
    & skf18("4","6","7","8","3","3","1") = "7"
    & skf18("4","6","7","8","3","4","1") = "7"
    & skf18("4","6","7","8","3","5","1") = "7"
    & skf18("4","6","7","8","3","6","1") = "7"
    & skf18("4","6","7","8","3","7","1") = "7"
    & skf18("4","6","7","8","3","8","1") = "7"
    & skf18("4","6","7","8","3","9","1") = "8"
    & skf18("4","6","7","8","3","10","1") = "9"
    & skf18("4","6","7","8","4","1","1") = "7"
    & skf18("4","6","7","8","4","2","1") = "7"
    & skf18("4","6","7","8","4","3","1") = "7"
    & skf18("4","6","7","8","4","4","1") = "7"
    & skf18("4","6","7","8","4","5","1") = "7"
    & skf18("4","6","7","8","4","6","1") = "7"
    & skf18("4","6","7","8","4","7","1") = "7"
    & skf18("4","6","7","8","4","8","1") = "7"
    & skf18("4","6","7","8","4","9","1") = "8"
    & skf18("4","6","7","8","4","10","1") = "9"
    & skf18("4","6","7","8","5","1","1") = "7"
    & skf18("4","6","7","8","5","2","1") = "7"
    & skf18("4","6","7","8","5","3","1") = "7"
    & skf18("4","6","7","8","5","4","1") = "7"
    & skf18("4","6","7","8","5","5","1") = "7"
    & skf18("4","6","7","8","5","6","1") = "7"
    & skf18("4","6","7","8","5","7","1") = "7"
    & skf18("4","6","7","8","5","8","1") = "7"
    & skf18("4","6","7","8","5","9","1") = "8"
    & skf18("4","6","7","8","5","10","1") = "9"
    & skf18("4","6","7","8","6","1","1") = "7"
    & skf18("4","6","7","8","6","2","1") = "7"
    & skf18("4","6","7","8","6","3","1") = "7"
    & skf18("4","6","7","8","6","4","1") = "7"
    & skf18("4","6","7","8","6","5","1") = "7"
    & skf18("4","6","7","8","6","6","1") = "7"
    & skf18("4","6","7","8","6","7","1") = "7"
    & skf18("4","6","7","8","6","8","1") = "7"
    & skf18("4","6","7","8","6","9","1") = "8"
    & skf18("4","6","7","8","6","10","1") = "9"
    & skf18("4","6","7","8","7","1","1") = "7"
    & skf18("4","6","7","8","7","2","1") = "7"
    & skf18("4","6","7","8","7","3","1") = "7"
    & skf18("4","6","7","8","7","4","1") = "7"
    & skf18("4","6","7","8","7","5","1") = "7"
    & skf18("4","6","7","8","7","6","1") = "7"
    & skf18("4","6","7","8","7","7","1") = "7"
    & skf18("4","6","7","8","7","8","1") = "7"
    & skf18("4","6","7","8","7","9","1") = "8"
    & skf18("4","6","7","8","7","10","1") = "9"
    & skf18("4","6","7","8","8","1","1") = "7"
    & skf18("4","6","7","8","8","2","1") = "7"
    & skf18("4","6","7","8","8","3","1") = "7"
    & skf18("4","6","7","8","8","4","1") = "7"
    & skf18("4","6","7","8","8","5","1") = "7"
    & skf18("4","6","7","8","8","6","1") = "7"
    & skf18("4","6","7","8","8","7","1") = "7"
    & skf18("4","6","7","8","8","8","1") = "7"
    & skf18("4","6","7","8","8","9","1") = "8"
    & skf18("4","6","7","8","8","10","1") = "9"
    & skf18("4","6","7","8","9","1","1") = "8"
    & skf18("4","6","7","8","9","2","1") = "8"
    & skf18("4","6","7","8","9","3","1") = "8"
    & skf18("4","6","7","8","9","4","1") = "8"
    & skf18("4","6","7","8","9","5","1") = "8"
    & skf18("4","6","7","8","9","6","1") = "8"
    & skf18("4","6","7","8","9","7","1") = "8"
    & skf18("4","6","7","8","9","8","1") = "8"
    & skf18("4","6","7","8","9","9","1") = "8"
    & skf18("4","6","7","8","9","10","1") = "9"
    & skf18("4","6","7","8","10","1","1") = "9"
    & skf18("4","6","7","8","10","2","1") = "9"
    & skf18("4","6","7","8","10","3","1") = "9"
    & skf18("4","6","7","8","10","4","1") = "9"
    & skf18("4","6","7","8","10","5","1") = "9"
    & skf18("4","6","7","8","10","6","1") = "9"
    & skf18("4","6","7","8","10","7","1") = "9"
    & skf18("4","6","7","8","10","8","1") = "9"
    & skf18("4","6","7","8","10","9","1") = "9"
    & skf18("4","6","7","8","10","10","1") = "9"
    & skf18("4","6","7","9","1","1","1") = "8"
    & skf18("4","6","7","9","1","2","1") = "8"
    & skf18("4","6","7","9","1","3","1") = "8"
    & skf18("4","6","7","9","1","4","1") = "8"
    & skf18("4","6","7","9","1","5","1") = "8"
    & skf18("4","6","7","9","1","6","1") = "8"
    & skf18("4","6","7","9","1","7","1") = "8"
    & skf18("4","6","7","9","1","8","1") = "8"
    & skf18("4","6","7","9","1","9","1") = "8"
    & skf18("4","6","7","9","1","10","1") = "9"
    & skf18("4","6","7","9","2","1","1") = "8"
    & skf18("4","6","7","9","2","2","1") = "8"
    & skf18("4","6","7","9","2","3","1") = "8"
    & skf18("4","6","7","9","2","4","1") = "8"
    & skf18("4","6","7","9","2","5","1") = "8"
    & skf18("4","6","7","9","2","6","1") = "8"
    & skf18("4","6","7","9","2","7","1") = "8"
    & skf18("4","6","7","9","2","8","1") = "8"
    & skf18("4","6","7","9","2","9","1") = "8"
    & skf18("4","6","7","9","2","10","1") = "9"
    & skf18("4","6","7","9","3","1","1") = "8"
    & skf18("4","6","7","9","3","2","1") = "8"
    & skf18("4","6","7","9","3","3","1") = "8"
    & skf18("4","6","7","9","3","4","1") = "8"
    & skf18("4","6","7","9","3","5","1") = "8"
    & skf18("4","6","7","9","3","6","1") = "8"
    & skf18("4","6","7","9","3","7","1") = "8"
    & skf18("4","6","7","9","3","8","1") = "8"
    & skf18("4","6","7","9","3","9","1") = "8"
    & skf18("4","6","7","9","3","10","1") = "9"
    & skf18("4","6","7","9","4","1","1") = "8"
    & skf18("4","6","7","9","4","2","1") = "8"
    & skf18("4","6","7","9","4","3","1") = "8"
    & skf18("4","6","7","9","4","4","1") = "8"
    & skf18("4","6","7","9","4","5","1") = "8"
    & skf18("4","6","7","9","4","6","1") = "8"
    & skf18("4","6","7","9","4","7","1") = "8"
    & skf18("4","6","7","9","4","8","1") = "8"
    & skf18("4","6","7","9","4","9","1") = "8"
    & skf18("4","6","7","9","4","10","1") = "9"
    & skf18("4","6","7","9","5","1","1") = "8"
    & skf18("4","6","7","9","5","2","1") = "8"
    & skf18("4","6","7","9","5","3","1") = "8"
    & skf18("4","6","7","9","5","4","1") = "8"
    & skf18("4","6","7","9","5","5","1") = "8"
    & skf18("4","6","7","9","5","6","1") = "8"
    & skf18("4","6","7","9","5","7","1") = "8"
    & skf18("4","6","7","9","5","8","1") = "8"
    & skf18("4","6","7","9","5","9","1") = "8"
    & skf18("4","6","7","9","5","10","1") = "9"
    & skf18("4","6","7","9","6","1","1") = "8"
    & skf18("4","6","7","9","6","2","1") = "8"
    & skf18("4","6","7","9","6","3","1") = "8"
    & skf18("4","6","7","9","6","4","1") = "8"
    & skf18("4","6","7","9","6","5","1") = "8"
    & skf18("4","6","7","9","6","6","1") = "8"
    & skf18("4","6","7","9","6","7","1") = "8"
    & skf18("4","6","7","9","6","8","1") = "8"
    & skf18("4","6","7","9","6","9","1") = "8"
    & skf18("4","6","7","9","6","10","1") = "9"
    & skf18("4","6","7","9","7","1","1") = "8"
    & skf18("4","6","7","9","7","2","1") = "8"
    & skf18("4","6","7","9","7","3","1") = "8"
    & skf18("4","6","7","9","7","4","1") = "8"
    & skf18("4","6","7","9","7","5","1") = "8"
    & skf18("4","6","7","9","7","6","1") = "8"
    & skf18("4","6","7","9","7","7","1") = "8"
    & skf18("4","6","7","9","7","8","1") = "8"
    & skf18("4","6","7","9","7","9","1") = "8"
    & skf18("4","6","7","9","7","10","1") = "9"
    & skf18("4","6","7","9","8","1","1") = "8"
    & skf18("4","6","7","9","8","2","1") = "8"
    & skf18("4","6","7","9","8","3","1") = "8"
    & skf18("4","6","7","9","8","4","1") = "8"
    & skf18("4","6","7","9","8","5","1") = "8"
    & skf18("4","6","7","9","8","6","1") = "8"
    & skf18("4","6","7","9","8","7","1") = "8"
    & skf18("4","6","7","9","8","8","1") = "8"
    & skf18("4","6","7","9","8","9","1") = "8"
    & skf18("4","6","7","9","8","10","1") = "9"
    & skf18("4","6","7","9","9","1","1") = "8"
    & skf18("4","6","7","9","9","2","1") = "8"
    & skf18("4","6","7","9","9","3","1") = "8"
    & skf18("4","6","7","9","9","4","1") = "8"
    & skf18("4","6","7","9","9","5","1") = "8"
    & skf18("4","6","7","9","9","6","1") = "8"
    & skf18("4","6","7","9","9","7","1") = "8"
    & skf18("4","6","7","9","9","8","1") = "8"
    & skf18("4","6","7","9","9","9","1") = "8"
    & skf18("4","6","7","9","9","10","1") = "9"
    & skf18("4","6","7","9","10","1","1") = "9"
    & skf18("4","6","7","9","10","2","1") = "9"
    & skf18("4","6","7","9","10","3","1") = "9"
    & skf18("4","6","7","9","10","4","1") = "9"
    & skf18("4","6","7","9","10","5","1") = "9"
    & skf18("4","6","7","9","10","6","1") = "9"
    & skf18("4","6","7","9","10","7","1") = "9"
    & skf18("4","6","7","9","10","8","1") = "9"
    & skf18("4","6","7","9","10","9","1") = "9"
    & skf18("4","6","7","9","10","10","1") = "9"
    & skf18("4","6","7","10","1","1","1") = "9"
    & skf18("4","6","7","10","1","2","1") = "9"
    & skf18("4","6","7","10","1","3","1") = "9"
    & skf18("4","6","7","10","1","4","1") = "9"
    & skf18("4","6","7","10","1","5","1") = "9"
    & skf18("4","6","7","10","1","6","1") = "9"
    & skf18("4","6","7","10","1","7","1") = "9"
    & skf18("4","6","7","10","1","8","1") = "9"
    & skf18("4","6","7","10","1","9","1") = "9"
    & skf18("4","6","7","10","1","10","1") = "9"
    & skf18("4","6","7","10","2","1","1") = "9"
    & skf18("4","6","7","10","2","2","1") = "9"
    & skf18("4","6","7","10","2","3","1") = "9"
    & skf18("4","6","7","10","2","4","1") = "9"
    & skf18("4","6","7","10","2","5","1") = "9"
    & skf18("4","6","7","10","2","6","1") = "9"
    & skf18("4","6","7","10","2","7","1") = "9"
    & skf18("4","6","7","10","2","8","1") = "9"
    & skf18("4","6","7","10","2","9","1") = "9"
    & skf18("4","6","7","10","2","10","1") = "9"
    & skf18("4","6","7","10","3","1","1") = "9"
    & skf18("4","6","7","10","3","2","1") = "9"
    & skf18("4","6","7","10","3","3","1") = "9"
    & skf18("4","6","7","10","3","4","1") = "9"
    & skf18("4","6","7","10","3","5","1") = "9"
    & skf18("4","6","7","10","3","6","1") = "9"
    & skf18("4","6","7","10","3","7","1") = "9"
    & skf18("4","6","7","10","3","8","1") = "9"
    & skf18("4","6","7","10","3","9","1") = "9"
    & skf18("4","6","7","10","3","10","1") = "9"
    & skf18("4","6","7","10","4","1","1") = "9"
    & skf18("4","6","7","10","4","2","1") = "9"
    & skf18("4","6","7","10","4","3","1") = "9"
    & skf18("4","6","7","10","4","4","1") = "9"
    & skf18("4","6","7","10","4","5","1") = "9"
    & skf18("4","6","7","10","4","6","1") = "9"
    & skf18("4","6","7","10","4","7","1") = "9"
    & skf18("4","6","7","10","4","8","1") = "9"
    & skf18("4","6","7","10","4","9","1") = "9"
    & skf18("4","6","7","10","4","10","1") = "9"
    & skf18("4","6","7","10","5","1","1") = "9"
    & skf18("4","6","7","10","5","2","1") = "9"
    & skf18("4","6","7","10","5","3","1") = "9"
    & skf18("4","6","7","10","5","4","1") = "9"
    & skf18("4","6","7","10","5","5","1") = "9"
    & skf18("4","6","7","10","5","6","1") = "9"
    & skf18("4","6","7","10","5","7","1") = "9"
    & skf18("4","6","7","10","5","8","1") = "9"
    & skf18("4","6","7","10","5","9","1") = "9"
    & skf18("4","6","7","10","5","10","1") = "9"
    & skf18("4","6","7","10","6","1","1") = "9"
    & skf18("4","6","7","10","6","2","1") = "9"
    & skf18("4","6","7","10","6","3","1") = "9"
    & skf18("4","6","7","10","6","4","1") = "9"
    & skf18("4","6","7","10","6","5","1") = "9"
    & skf18("4","6","7","10","6","6","1") = "9"
    & skf18("4","6","7","10","6","7","1") = "9"
    & skf18("4","6","7","10","6","8","1") = "9"
    & skf18("4","6","7","10","6","9","1") = "9"
    & skf18("4","6","7","10","6","10","1") = "9"
    & skf18("4","6","7","10","7","1","1") = "9"
    & skf18("4","6","7","10","7","2","1") = "9"
    & skf18("4","6","7","10","7","3","1") = "9"
    & skf18("4","6","7","10","7","4","1") = "9"
    & skf18("4","6","7","10","7","5","1") = "9"
    & skf18("4","6","7","10","7","6","1") = "9"
    & skf18("4","6","7","10","7","7","1") = "9"
    & skf18("4","6","7","10","7","8","1") = "9"
    & skf18("4","6","7","10","7","9","1") = "9"
    & skf18("4","6","7","10","7","10","1") = "9"
    & skf18("4","6","7","10","8","1","1") = "9"
    & skf18("4","6","7","10","8","2","1") = "9"
    & skf18("4","6","7","10","8","3","1") = "9"
    & skf18("4","6","7","10","8","4","1") = "9"
    & skf18("4","6","7","10","8","5","1") = "9"
    & skf18("4","6","7","10","8","6","1") = "9"
    & skf18("4","6","7","10","8","7","1") = "9"
    & skf18("4","6","7","10","8","8","1") = "9"
    & skf18("4","6","7","10","8","9","1") = "9"
    & skf18("4","6","7","10","8","10","1") = "9"
    & skf18("4","6","7","10","9","1","1") = "9"
    & skf18("4","6","7","10","9","2","1") = "9"
    & skf18("4","6","7","10","9","3","1") = "9"
    & skf18("4","6","7","10","9","4","1") = "9"
    & skf18("4","6","7","10","9","5","1") = "9"
    & skf18("4","6","7","10","9","6","1") = "9"
    & skf18("4","6","7","10","9","7","1") = "9"
    & skf18("4","6","7","10","9","8","1") = "9"
    & skf18("4","6","7","10","9","9","1") = "9"
    & skf18("4","6","7","10","9","10","1") = "9"
    & skf18("4","6","7","10","10","1","1") = "9"
    & skf18("4","6","7","10","10","2","1") = "9"
    & skf18("4","6","7","10","10","3","1") = "9"
    & skf18("4","6","7","10","10","4","1") = "9"
    & skf18("4","6","7","10","10","5","1") = "9"
    & skf18("4","6","7","10","10","6","1") = "9"
    & skf18("4","6","7","10","10","7","1") = "9"
    & skf18("4","6","7","10","10","8","1") = "9"
    & skf18("4","6","7","10","10","9","1") = "9"
    & skf18("4","6","7","10","10","10","1") = "9"
    & skf18("4","6","8","1","1","1","1") = "7"
    & skf18("4","6","8","1","1","2","1") = "7"
    & skf18("4","6","8","1","1","3","1") = "7"
    & skf18("4","6","8","1","1","4","1") = "7"
    & skf18("4","6","8","1","1","5","1") = "7"
    & skf18("4","6","8","1","1","6","1") = "7"
    & skf18("4","6","8","1","1","7","1") = "7"
    & skf18("4","6","8","1","1","8","1") = "7"
    & skf18("4","6","8","1","1","9","1") = "8"
    & skf18("4","6","8","1","1","10","1") = "9"
    & skf18("4","6","8","1","2","1","1") = "7"
    & skf18("4","6","8","1","2","2","1") = "7"
    & skf18("4","6","8","1","2","3","1") = "7"
    & skf18("4","6","8","1","2","4","1") = "7"
    & skf18("4","6","8","1","2","5","1") = "7"
    & skf18("4","6","8","1","2","6","1") = "7"
    & skf18("4","6","8","1","2","7","1") = "7"
    & skf18("4","6","8","1","2","8","1") = "7"
    & skf18("4","6","8","1","2","9","1") = "8"
    & skf18("4","6","8","1","2","10","1") = "9"
    & skf18("4","6","8","1","3","1","1") = "7"
    & skf18("4","6","8","1","3","2","1") = "7"
    & skf18("4","6","8","1","3","3","1") = "7"
    & skf18("4","6","8","1","3","4","1") = "7"
    & skf18("4","6","8","1","3","5","1") = "7"
    & skf18("4","6","8","1","3","6","1") = "7"
    & skf18("4","6","8","1","3","7","1") = "7"
    & skf18("4","6","8","1","3","8","1") = "7"
    & skf18("4","6","8","1","3","9","1") = "8"
    & skf18("4","6","8","1","3","10","1") = "9"
    & skf18("4","6","8","1","4","1","1") = "7"
    & skf18("4","6","8","1","4","2","1") = "7"
    & skf18("4","6","8","1","4","3","1") = "7"
    & skf18("4","6","8","1","4","4","1") = "7"
    & skf18("4","6","8","1","4","5","1") = "7"
    & skf18("4","6","8","1","4","6","1") = "7"
    & skf18("4","6","8","1","4","7","1") = "7"
    & skf18("4","6","8","1","4","8","1") = "7"
    & skf18("4","6","8","1","4","9","1") = "8"
    & skf18("4","6","8","1","4","10","1") = "9"
    & skf18("4","6","8","1","5","1","1") = "7"
    & skf18("4","6","8","1","5","2","1") = "7"
    & skf18("4","6","8","1","5","3","1") = "7"
    & skf18("4","6","8","1","5","4","1") = "7"
    & skf18("4","6","8","1","5","5","1") = "7"
    & skf18("4","6","8","1","5","6","1") = "7"
    & skf18("4","6","8","1","5","7","1") = "7"
    & skf18("4","6","8","1","5","8","1") = "7"
    & skf18("4","6","8","1","5","9","1") = "8"
    & skf18("4","6","8","1","5","10","1") = "9"
    & skf18("4","6","8","1","6","1","1") = "7"
    & skf18("4","6","8","1","6","2","1") = "7"
    & skf18("4","6","8","1","6","3","1") = "7"
    & skf18("4","6","8","1","6","4","1") = "7"
    & skf18("4","6","8","1","6","5","1") = "7"
    & skf18("4","6","8","1","6","6","1") = "7"
    & skf18("4","6","8","1","6","7","1") = "7"
    & skf18("4","6","8","1","6","8","1") = "7"
    & skf18("4","6","8","1","6","9","1") = "8"
    & skf18("4","6","8","1","6","10","1") = "9"
    & skf18("4","6","8","1","7","1","1") = "7"
    & skf18("4","6","8","1","7","2","1") = "7"
    & skf18("4","6","8","1","7","3","1") = "7"
    & skf18("4","6","8","1","7","4","1") = "7"
    & skf18("4","6","8","1","7","5","1") = "7"
    & skf18("4","6","8","1","7","6","1") = "7"
    & skf18("4","6","8","1","7","7","1") = "7"
    & skf18("4","6","8","1","7","8","1") = "7"
    & skf18("4","6","8","1","7","9","1") = "8"
    & skf18("4","6","8","1","7","10","1") = "9"
    & skf18("4","6","8","1","8","1","1") = "7"
    & skf18("4","6","8","1","8","2","1") = "7"
    & skf18("4","6","8","1","8","3","1") = "7"
    & skf18("4","6","8","1","8","4","1") = "7"
    & skf18("4","6","8","1","8","5","1") = "7"
    & skf18("4","6","8","1","8","6","1") = "7"
    & skf18("4","6","8","1","8","7","1") = "7"
    & skf18("4","6","8","1","8","8","1") = "7"
    & skf18("4","6","8","1","8","9","1") = "8"
    & skf18("4","6","8","1","8","10","1") = "9"
    & skf18("4","6","8","1","9","1","1") = "8"
    & skf18("4","6","8","1","9","2","1") = "8"
    & skf18("4","6","8","1","9","3","1") = "8"
    & skf18("4","6","8","1","9","4","1") = "8"
    & skf18("4","6","8","1","9","5","1") = "8"
    & skf18("4","6","8","1","9","6","1") = "8"
    & skf18("4","6","8","1","9","7","1") = "8"
    & skf18("4","6","8","1","9","8","1") = "8"
    & skf18("4","6","8","1","9","9","1") = "8"
    & skf18("4","6","8","1","9","10","1") = "9"
    & skf18("4","6","8","1","10","1","1") = "9"
    & skf18("4","6","8","1","10","2","1") = "9"
    & skf18("4","6","8","1","10","3","1") = "9"
    & skf18("4","6","8","1","10","4","1") = "9"
    & skf18("4","6","8","1","10","5","1") = "9"
    & skf18("4","6","8","1","10","6","1") = "9"
    & skf18("4","6","8","1","10","7","1") = "9"
    & skf18("4","6","8","1","10","8","1") = "9"
    & skf18("4","6","8","1","10","9","1") = "9"
    & skf18("4","6","8","1","10","10","1") = "9"
    & skf18("4","6","8","2","1","1","1") = "7"
    & skf18("4","6","8","2","1","2","1") = "7"
    & skf18("4","6","8","2","1","3","1") = "7"
    & skf18("4","6","8","2","1","4","1") = "7"
    & skf18("4","6","8","2","1","5","1") = "7"
    & skf18("4","6","8","2","1","6","1") = "7"
    & skf18("4","6","8","2","1","7","1") = "7"
    & skf18("4","6","8","2","1","8","1") = "7"
    & skf18("4","6","8","2","1","9","1") = "8"
    & skf18("4","6","8","2","1","10","1") = "9"
    & skf18("4","6","8","2","2","1","1") = "7"
    & skf18("4","6","8","2","2","2","1") = "7"
    & skf18("4","6","8","2","2","3","1") = "7"
    & skf18("4","6","8","2","2","4","1") = "7"
    & skf18("4","6","8","2","2","5","1") = "7"
    & skf18("4","6","8","2","2","6","1") = "7"
    & skf18("4","6","8","2","2","7","1") = "7"
    & skf18("4","6","8","2","2","8","1") = "7"
    & skf18("4","6","8","2","2","9","1") = "8"
    & skf18("4","6","8","2","2","10","1") = "9"
    & skf18("4","6","8","2","3","1","1") = "7"
    & skf18("4","6","8","2","3","2","1") = "7"
    & skf18("4","6","8","2","3","3","1") = "7"
    & skf18("4","6","8","2","3","4","1") = "7"
    & skf18("4","6","8","2","3","5","1") = "7"
    & skf18("4","6","8","2","3","6","1") = "7"
    & skf18("4","6","8","2","3","7","1") = "7"
    & skf18("4","6","8","2","3","8","1") = "7"
    & skf18("4","6","8","2","3","9","1") = "8"
    & skf18("4","6","8","2","3","10","1") = "9"
    & skf18("4","6","8","2","4","1","1") = "7"
    & skf18("4","6","8","2","4","2","1") = "7"
    & skf18("4","6","8","2","4","3","1") = "7"
    & skf18("4","6","8","2","4","4","1") = "7"
    & skf18("4","6","8","2","4","5","1") = "7"
    & skf18("4","6","8","2","4","6","1") = "7"
    & skf18("4","6","8","2","4","7","1") = "7"
    & skf18("4","6","8","2","4","8","1") = "7"
    & skf18("4","6","8","2","4","9","1") = "8"
    & skf18("4","6","8","2","4","10","1") = "9"
    & skf18("4","6","8","2","5","1","1") = "7"
    & skf18("4","6","8","2","5","2","1") = "7"
    & skf18("4","6","8","2","5","3","1") = "7"
    & skf18("4","6","8","2","5","4","1") = "7"
    & skf18("4","6","8","2","5","5","1") = "7"
    & skf18("4","6","8","2","5","6","1") = "7"
    & skf18("4","6","8","2","5","7","1") = "7"
    & skf18("4","6","8","2","5","8","1") = "7"
    & skf18("4","6","8","2","5","9","1") = "8"
    & skf18("4","6","8","2","5","10","1") = "9"
    & skf18("4","6","8","2","6","1","1") = "7"
    & skf18("4","6","8","2","6","2","1") = "7"
    & skf18("4","6","8","2","6","3","1") = "7"
    & skf18("4","6","8","2","6","4","1") = "7"
    & skf18("4","6","8","2","6","5","1") = "7"
    & skf18("4","6","8","2","6","6","1") = "7"
    & skf18("4","6","8","2","6","7","1") = "7"
    & skf18("4","6","8","2","6","8","1") = "7"
    & skf18("4","6","8","2","6","9","1") = "8"
    & skf18("4","6","8","2","6","10","1") = "9"
    & skf18("4","6","8","2","7","1","1") = "7"
    & skf18("4","6","8","2","7","2","1") = "7"
    & skf18("4","6","8","2","7","3","1") = "7"
    & skf18("4","6","8","2","7","4","1") = "7"
    & skf18("4","6","8","2","7","5","1") = "7"
    & skf18("4","6","8","2","7","6","1") = "7"
    & skf18("4","6","8","2","7","7","1") = "7"
    & skf18("4","6","8","2","7","8","1") = "7"
    & skf18("4","6","8","2","7","9","1") = "8"
    & skf18("4","6","8","2","7","10","1") = "9"
    & skf18("4","6","8","2","8","1","1") = "7"
    & skf18("4","6","8","2","8","2","1") = "7"
    & skf18("4","6","8","2","8","3","1") = "7"
    & skf18("4","6","8","2","8","4","1") = "7"
    & skf18("4","6","8","2","8","5","1") = "7"
    & skf18("4","6","8","2","8","6","1") = "7"
    & skf18("4","6","8","2","8","7","1") = "7"
    & skf18("4","6","8","2","8","8","1") = "7"
    & skf18("4","6","8","2","8","9","1") = "8"
    & skf18("4","6","8","2","8","10","1") = "9"
    & skf18("4","6","8","2","9","1","1") = "8"
    & skf18("4","6","8","2","9","2","1") = "8"
    & skf18("4","6","8","2","9","3","1") = "8"
    & skf18("4","6","8","2","9","4","1") = "8"
    & skf18("4","6","8","2","9","5","1") = "8"
    & skf18("4","6","8","2","9","6","1") = "8"
    & skf18("4","6","8","2","9","7","1") = "8"
    & skf18("4","6","8","2","9","8","1") = "8"
    & skf18("4","6","8","2","9","9","1") = "8"
    & skf18("4","6","8","2","9","10","1") = "9"
    & skf18("4","6","8","2","10","1","1") = "9"
    & skf18("4","6","8","2","10","2","1") = "9"
    & skf18("4","6","8","2","10","3","1") = "9"
    & skf18("4","6","8","2","10","4","1") = "9"
    & skf18("4","6","8","2","10","5","1") = "9"
    & skf18("4","6","8","2","10","6","1") = "9"
    & skf18("4","6","8","2","10","7","1") = "9"
    & skf18("4","6","8","2","10","8","1") = "9"
    & skf18("4","6","8","2","10","9","1") = "9"
    & skf18("4","6","8","2","10","10","1") = "9"
    & skf18("4","6","8","3","1","1","1") = "7"
    & skf18("4","6","8","3","1","2","1") = "7"
    & skf18("4","6","8","3","1","3","1") = "7"
    & skf18("4","6","8","3","1","4","1") = "7"
    & skf18("4","6","8","3","1","5","1") = "7"
    & skf18("4","6","8","3","1","6","1") = "7"
    & skf18("4","6","8","3","1","7","1") = "7"
    & skf18("4","6","8","3","1","8","1") = "7"
    & skf18("4","6","8","3","1","9","1") = "8"
    & skf18("4","6","8","3","1","10","1") = "9"
    & skf18("4","6","8","3","2","1","1") = "7"
    & skf18("4","6","8","3","2","2","1") = "7"
    & skf18("4","6","8","3","2","3","1") = "7"
    & skf18("4","6","8","3","2","4","1") = "7"
    & skf18("4","6","8","3","2","5","1") = "7"
    & skf18("4","6","8","3","2","6","1") = "7"
    & skf18("4","6","8","3","2","7","1") = "7"
    & skf18("4","6","8","3","2","8","1") = "7"
    & skf18("4","6","8","3","2","9","1") = "8"
    & skf18("4","6","8","3","2","10","1") = "9"
    & skf18("4","6","8","3","3","1","1") = "7"
    & skf18("4","6","8","3","3","2","1") = "7"
    & skf18("4","6","8","3","3","3","1") = "7"
    & skf18("4","6","8","3","3","4","1") = "7"
    & skf18("4","6","8","3","3","5","1") = "7"
    & skf18("4","6","8","3","3","6","1") = "7"
    & skf18("4","6","8","3","3","7","1") = "7"
    & skf18("4","6","8","3","3","8","1") = "7"
    & skf18("4","6","8","3","3","9","1") = "8"
    & skf18("4","6","8","3","3","10","1") = "9"
    & skf18("4","6","8","3","4","1","1") = "7"
    & skf18("4","6","8","3","4","2","1") = "7"
    & skf18("4","6","8","3","4","3","1") = "7"
    & skf18("4","6","8","3","4","4","1") = "7"
    & skf18("4","6","8","3","4","5","1") = "7"
    & skf18("4","6","8","3","4","6","1") = "7"
    & skf18("4","6","8","3","4","7","1") = "7"
    & skf18("4","6","8","3","4","8","1") = "7"
    & skf18("4","6","8","3","4","9","1") = "8"
    & skf18("4","6","8","3","4","10","1") = "9"
    & skf18("4","6","8","3","5","1","1") = "7"
    & skf18("4","6","8","3","5","2","1") = "7"
    & skf18("4","6","8","3","5","3","1") = "7"
    & skf18("4","6","8","3","5","4","1") = "7"
    & skf18("4","6","8","3","5","5","1") = "7"
    & skf18("4","6","8","3","5","6","1") = "7"
    & skf18("4","6","8","3","5","7","1") = "7"
    & skf18("4","6","8","3","5","8","1") = "7"
    & skf18("4","6","8","3","5","9","1") = "8"
    & skf18("4","6","8","3","5","10","1") = "9"
    & skf18("4","6","8","3","6","1","1") = "7"
    & skf18("4","6","8","3","6","2","1") = "7"
    & skf18("4","6","8","3","6","3","1") = "7"
    & skf18("4","6","8","3","6","4","1") = "7"
    & skf18("4","6","8","3","6","5","1") = "7"
    & skf18("4","6","8","3","6","6","1") = "7"
    & skf18("4","6","8","3","6","7","1") = "7"
    & skf18("4","6","8","3","6","8","1") = "7"
    & skf18("4","6","8","3","6","9","1") = "8"
    & skf18("4","6","8","3","6","10","1") = "9"
    & skf18("4","6","8","3","7","1","1") = "7"
    & skf18("4","6","8","3","7","2","1") = "7"
    & skf18("4","6","8","3","7","3","1") = "7"
    & skf18("4","6","8","3","7","4","1") = "7"
    & skf18("4","6","8","3","7","5","1") = "7"
    & skf18("4","6","8","3","7","6","1") = "7"
    & skf18("4","6","8","3","7","7","1") = "7"
    & skf18("4","6","8","3","7","8","1") = "7"
    & skf18("4","6","8","3","7","9","1") = "8"
    & skf18("4","6","8","3","7","10","1") = "9"
    & skf18("4","6","8","3","8","1","1") = "7"
    & skf18("4","6","8","3","8","2","1") = "7"
    & skf18("4","6","8","3","8","3","1") = "7"
    & skf18("4","6","8","3","8","4","1") = "7"
    & skf18("4","6","8","3","8","5","1") = "7"
    & skf18("4","6","8","3","8","6","1") = "7"
    & skf18("4","6","8","3","8","7","1") = "7"
    & skf18("4","6","8","3","8","8","1") = "7"
    & skf18("4","6","8","3","8","9","1") = "8"
    & skf18("4","6","8","3","8","10","1") = "9"
    & skf18("4","6","8","3","9","1","1") = "8"
    & skf18("4","6","8","3","9","2","1") = "8"
    & skf18("4","6","8","3","9","3","1") = "8"
    & skf18("4","6","8","3","9","4","1") = "8"
    & skf18("4","6","8","3","9","5","1") = "8"
    & skf18("4","6","8","3","9","6","1") = "8"
    & skf18("4","6","8","3","9","7","1") = "8"
    & skf18("4","6","8","3","9","8","1") = "8"
    & skf18("4","6","8","3","9","9","1") = "8"
    & skf18("4","6","8","3","9","10","1") = "9"
    & skf18("4","6","8","3","10","1","1") = "9"
    & skf18("4","6","8","3","10","2","1") = "9"
    & skf18("4","6","8","3","10","3","1") = "9"
    & skf18("4","6","8","3","10","4","1") = "9"
    & skf18("4","6","8","3","10","5","1") = "9"
    & skf18("4","6","8","3","10","6","1") = "9"
    & skf18("4","6","8","3","10","7","1") = "9"
    & skf18("4","6","8","3","10","8","1") = "9"
    & skf18("4","6","8","3","10","9","1") = "9"
    & skf18("4","6","8","3","10","10","1") = "9"
    & skf18("4","6","8","4","1","1","1") = "7"
    & skf18("4","6","8","4","1","2","1") = "7"
    & skf18("4","6","8","4","1","3","1") = "7"
    & skf18("4","6","8","4","1","4","1") = "7"
    & skf18("4","6","8","4","1","5","1") = "7"
    & skf18("4","6","8","4","1","6","1") = "7"
    & skf18("4","6","8","4","1","7","1") = "7"
    & skf18("4","6","8","4","1","8","1") = "7"
    & skf18("4","6","8","4","1","9","1") = "8"
    & skf18("4","6","8","4","1","10","1") = "9"
    & skf18("4","6","8","4","2","1","1") = "7"
    & skf18("4","6","8","4","2","2","1") = "7"
    & skf18("4","6","8","4","2","3","1") = "7"
    & skf18("4","6","8","4","2","4","1") = "7"
    & skf18("4","6","8","4","2","5","1") = "7"
    & skf18("4","6","8","4","2","6","1") = "7"
    & skf18("4","6","8","4","2","7","1") = "7"
    & skf18("4","6","8","4","2","8","1") = "7"
    & skf18("4","6","8","4","2","9","1") = "8"
    & skf18("4","6","8","4","2","10","1") = "9"
    & skf18("4","6","8","4","3","1","1") = "7"
    & skf18("4","6","8","4","3","2","1") = "7"
    & skf18("4","6","8","4","3","3","1") = "7"
    & skf18("4","6","8","4","3","4","1") = "7"
    & skf18("4","6","8","4","3","5","1") = "7"
    & skf18("4","6","8","4","3","6","1") = "7"
    & skf18("4","6","8","4","3","7","1") = "7"
    & skf18("4","6","8","4","3","8","1") = "7"
    & skf18("4","6","8","4","3","9","1") = "8"
    & skf18("4","6","8","4","3","10","1") = "9"
    & skf18("4","6","8","4","4","1","1") = "7"
    & skf18("4","6","8","4","4","2","1") = "7"
    & skf18("4","6","8","4","4","3","1") = "7"
    & skf18("4","6","8","4","4","4","1") = "7"
    & skf18("4","6","8","4","4","5","1") = "7"
    & skf18("4","6","8","4","4","6","1") = "7"
    & skf18("4","6","8","4","4","7","1") = "7"
    & skf18("4","6","8","4","4","8","1") = "7"
    & skf18("4","6","8","4","4","9","1") = "8"
    & skf18("4","6","8","4","4","10","1") = "9"
    & skf18("4","6","8","4","5","1","1") = "7"
    & skf18("4","6","8","4","5","2","1") = "7"
    & skf18("4","6","8","4","5","3","1") = "7"
    & skf18("4","6","8","4","5","4","1") = "7"
    & skf18("4","6","8","4","5","5","1") = "7"
    & skf18("4","6","8","4","5","6","1") = "7"
    & skf18("4","6","8","4","5","7","1") = "7"
    & skf18("4","6","8","4","5","8","1") = "7"
    & skf18("4","6","8","4","5","9","1") = "8"
    & skf18("4","6","8","4","5","10","1") = "9"
    & skf18("4","6","8","4","6","1","1") = "7"
    & skf18("4","6","8","4","6","2","1") = "7"
    & skf18("4","6","8","4","6","3","1") = "7"
    & skf18("4","6","8","4","6","4","1") = "7"
    & skf18("4","6","8","4","6","5","1") = "7"
    & skf18("4","6","8","4","6","6","1") = "7"
    & skf18("4","6","8","4","6","7","1") = "7"
    & skf18("4","6","8","4","6","8","1") = "7"
    & skf18("4","6","8","4","6","9","1") = "8"
    & skf18("4","6","8","4","6","10","1") = "9"
    & skf18("4","6","8","4","7","1","1") = "7"
    & skf18("4","6","8","4","7","2","1") = "7"
    & skf18("4","6","8","4","7","3","1") = "7"
    & skf18("4","6","8","4","7","4","1") = "7"
    & skf18("4","6","8","4","7","5","1") = "7"
    & skf18("4","6","8","4","7","6","1") = "7"
    & skf18("4","6","8","4","7","7","1") = "7"
    & skf18("4","6","8","4","7","8","1") = "7"
    & skf18("4","6","8","4","7","9","1") = "8"
    & skf18("4","6","8","4","7","10","1") = "9"
    & skf18("4","6","8","4","8","1","1") = "7"
    & skf18("4","6","8","4","8","2","1") = "7"
    & skf18("4","6","8","4","8","3","1") = "7"
    & skf18("4","6","8","4","8","4","1") = "7"
    & skf18("4","6","8","4","8","5","1") = "7"
    & skf18("4","6","8","4","8","6","1") = "7"
    & skf18("4","6","8","4","8","7","1") = "7"
    & skf18("4","6","8","4","8","8","1") = "7"
    & skf18("4","6","8","4","8","9","1") = "8"
    & skf18("4","6","8","4","8","10","1") = "9"
    & skf18("4","6","8","4","9","1","1") = "8"
    & skf18("4","6","8","4","9","2","1") = "8"
    & skf18("4","6","8","4","9","3","1") = "8"
    & skf18("4","6","8","4","9","4","1") = "8"
    & skf18("4","6","8","4","9","5","1") = "8"
    & skf18("4","6","8","4","9","6","1") = "8"
    & skf18("4","6","8","4","9","7","1") = "8"
    & skf18("4","6","8","4","9","8","1") = "8"
    & skf18("4","6","8","4","9","9","1") = "8"
    & skf18("4","6","8","4","9","10","1") = "9"
    & skf18("4","6","8","4","10","1","1") = "9"
    & skf18("4","6","8","4","10","2","1") = "9"
    & skf18("4","6","8","4","10","3","1") = "9"
    & skf18("4","6","8","4","10","4","1") = "9"
    & skf18("4","6","8","4","10","5","1") = "9"
    & skf18("4","6","8","4","10","6","1") = "9"
    & skf18("4","6","8","4","10","7","1") = "9"
    & skf18("4","6","8","4","10","8","1") = "9"
    & skf18("4","6","8","4","10","9","1") = "9"
    & skf18("4","6","8","4","10","10","1") = "9"
    & skf18("4","6","8","5","1","1","1") = "7"
    & skf18("4","6","8","5","1","2","1") = "7"
    & skf18("4","6","8","5","1","3","1") = "7"
    & skf18("4","6","8","5","1","4","1") = "7"
    & skf18("4","6","8","5","1","5","1") = "7"
    & skf18("4","6","8","5","1","6","1") = "7"
    & skf18("4","6","8","5","1","7","1") = "7"
    & skf18("4","6","8","5","1","8","1") = "7"
    & skf18("4","6","8","5","1","9","1") = "8"
    & skf18("4","6","8","5","1","10","1") = "9"
    & skf18("4","6","8","5","2","1","1") = "7"
    & skf18("4","6","8","5","2","2","1") = "7"
    & skf18("4","6","8","5","2","3","1") = "7"
    & skf18("4","6","8","5","2","4","1") = "7"
    & skf18("4","6","8","5","2","5","1") = "7"
    & skf18("4","6","8","5","2","6","1") = "7"
    & skf18("4","6","8","5","2","7","1") = "7"
    & skf18("4","6","8","5","2","8","1") = "7"
    & skf18("4","6","8","5","2","9","1") = "8"
    & skf18("4","6","8","5","2","10","1") = "9"
    & skf18("4","6","8","5","3","1","1") = "7"
    & skf18("4","6","8","5","3","2","1") = "7"
    & skf18("4","6","8","5","3","3","1") = "7"
    & skf18("4","6","8","5","3","4","1") = "7"
    & skf18("4","6","8","5","3","5","1") = "7"
    & skf18("4","6","8","5","3","6","1") = "7"
    & skf18("4","6","8","5","3","7","1") = "7"
    & skf18("4","6","8","5","3","8","1") = "7"
    & skf18("4","6","8","5","3","9","1") = "8"
    & skf18("4","6","8","5","3","10","1") = "9"
    & skf18("4","6","8","5","4","1","1") = "7"
    & skf18("4","6","8","5","4","2","1") = "7"
    & skf18("4","6","8","5","4","3","1") = "7"
    & skf18("4","6","8","5","4","4","1") = "7"
    & skf18("4","6","8","5","4","5","1") = "7"
    & skf18("4","6","8","5","4","6","1") = "7"
    & skf18("4","6","8","5","4","7","1") = "7"
    & skf18("4","6","8","5","4","8","1") = "7"
    & skf18("4","6","8","5","4","9","1") = "8"
    & skf18("4","6","8","5","4","10","1") = "9"
    & skf18("4","6","8","5","5","1","1") = "7"
    & skf18("4","6","8","5","5","2","1") = "7"
    & skf18("4","6","8","5","5","3","1") = "7"
    & skf18("4","6","8","5","5","4","1") = "7"
    & skf18("4","6","8","5","5","5","1") = "7"
    & skf18("4","6","8","5","5","6","1") = "7"
    & skf18("4","6","8","5","5","7","1") = "7"
    & skf18("4","6","8","5","5","8","1") = "7"
    & skf18("4","6","8","5","5","9","1") = "8"
    & skf18("4","6","8","5","5","10","1") = "9"
    & skf18("4","6","8","5","6","1","1") = "7"
    & skf18("4","6","8","5","6","2","1") = "7"
    & skf18("4","6","8","5","6","3","1") = "7"
    & skf18("4","6","8","5","6","4","1") = "7"
    & skf18("4","6","8","5","6","5","1") = "7"
    & skf18("4","6","8","5","6","6","1") = "7"
    & skf18("4","6","8","5","6","7","1") = "7"
    & skf18("4","6","8","5","6","8","1") = "7"
    & skf18("4","6","8","5","6","9","1") = "8"
    & skf18("4","6","8","5","6","10","1") = "9"
    & skf18("4","6","8","5","7","1","1") = "7"
    & skf18("4","6","8","5","7","2","1") = "7"
    & skf18("4","6","8","5","7","3","1") = "7"
    & skf18("4","6","8","5","7","4","1") = "7"
    & skf18("4","6","8","5","7","5","1") = "7"
    & skf18("4","6","8","5","7","6","1") = "7"
    & skf18("4","6","8","5","7","7","1") = "7"
    & skf18("4","6","8","5","7","8","1") = "7"
    & skf18("4","6","8","5","7","9","1") = "8"
    & skf18("4","6","8","5","7","10","1") = "9"
    & skf18("4","6","8","5","8","1","1") = "7"
    & skf18("4","6","8","5","8","2","1") = "7"
    & skf18("4","6","8","5","8","3","1") = "7"
    & skf18("4","6","8","5","8","4","1") = "7"
    & skf18("4","6","8","5","8","5","1") = "7"
    & skf18("4","6","8","5","8","6","1") = "7"
    & skf18("4","6","8","5","8","7","1") = "7"
    & skf18("4","6","8","5","8","8","1") = "7"
    & skf18("4","6","8","5","8","9","1") = "8"
    & skf18("4","6","8","5","8","10","1") = "9"
    & skf18("4","6","8","5","9","1","1") = "8"
    & skf18("4","6","8","5","9","2","1") = "8"
    & skf18("4","6","8","5","9","3","1") = "8"
    & skf18("4","6","8","5","9","4","1") = "8"
    & skf18("4","6","8","5","9","5","1") = "8"
    & skf18("4","6","8","5","9","6","1") = "8"
    & skf18("4","6","8","5","9","7","1") = "8"
    & skf18("4","6","8","5","9","8","1") = "8"
    & skf18("4","6","8","5","9","9","1") = "8"
    & skf18("4","6","8","5","9","10","1") = "9"
    & skf18("4","6","8","5","10","1","1") = "9"
    & skf18("4","6","8","5","10","2","1") = "9"
    & skf18("4","6","8","5","10","3","1") = "9"
    & skf18("4","6","8","5","10","4","1") = "9"
    & skf18("4","6","8","5","10","5","1") = "9"
    & skf18("4","6","8","5","10","6","1") = "9"
    & skf18("4","6","8","5","10","7","1") = "9"
    & skf18("4","6","8","5","10","8","1") = "9"
    & skf18("4","6","8","5","10","9","1") = "9"
    & skf18("4","6","8","5","10","10","1") = "9"
    & skf18("4","6","8","6","1","1","1") = "7"
    & skf18("4","6","8","6","1","2","1") = "7"
    & skf18("4","6","8","6","1","3","1") = "7"
    & skf18("4","6","8","6","1","4","1") = "7"
    & skf18("4","6","8","6","1","5","1") = "7"
    & skf18("4","6","8","6","1","6","1") = "7"
    & skf18("4","6","8","6","1","7","1") = "7"
    & skf18("4","6","8","6","1","8","1") = "7"
    & skf18("4","6","8","6","1","9","1") = "8"
    & skf18("4","6","8","6","1","10","1") = "9"
    & skf18("4","6","8","6","2","1","1") = "7"
    & skf18("4","6","8","6","2","2","1") = "7"
    & skf18("4","6","8","6","2","3","1") = "7"
    & skf18("4","6","8","6","2","4","1") = "7"
    & skf18("4","6","8","6","2","5","1") = "7"
    & skf18("4","6","8","6","2","6","1") = "7"
    & skf18("4","6","8","6","2","7","1") = "7"
    & skf18("4","6","8","6","2","8","1") = "7"
    & skf18("4","6","8","6","2","9","1") = "8"
    & skf18("4","6","8","6","2","10","1") = "9"
    & skf18("4","6","8","6","3","1","1") = "7"
    & skf18("4","6","8","6","3","2","1") = "7"
    & skf18("4","6","8","6","3","3","1") = "7"
    & skf18("4","6","8","6","3","4","1") = "7"
    & skf18("4","6","8","6","3","5","1") = "7"
    & skf18("4","6","8","6","3","6","1") = "7"
    & skf18("4","6","8","6","3","7","1") = "7"
    & skf18("4","6","8","6","3","8","1") = "7"
    & skf18("4","6","8","6","3","9","1") = "8"
    & skf18("4","6","8","6","3","10","1") = "9"
    & skf18("4","6","8","6","4","1","1") = "7"
    & skf18("4","6","8","6","4","2","1") = "7"
    & skf18("4","6","8","6","4","3","1") = "7"
    & skf18("4","6","8","6","4","4","1") = "7"
    & skf18("4","6","8","6","4","5","1") = "7"
    & skf18("4","6","8","6","4","6","1") = "7"
    & skf18("4","6","8","6","4","7","1") = "7"
    & skf18("4","6","8","6","4","8","1") = "7"
    & skf18("4","6","8","6","4","9","1") = "8"
    & skf18("4","6","8","6","4","10","1") = "9"
    & skf18("4","6","8","6","5","1","1") = "7"
    & skf18("4","6","8","6","5","2","1") = "7"
    & skf18("4","6","8","6","5","3","1") = "7"
    & skf18("4","6","8","6","5","4","1") = "7"
    & skf18("4","6","8","6","5","5","1") = "7"
    & skf18("4","6","8","6","5","6","1") = "7"
    & skf18("4","6","8","6","5","7","1") = "7"
    & skf18("4","6","8","6","5","8","1") = "7"
    & skf18("4","6","8","6","5","9","1") = "8"
    & skf18("4","6","8","6","5","10","1") = "9"
    & skf18("4","6","8","6","6","1","1") = "7"
    & skf18("4","6","8","6","6","2","1") = "7"
    & skf18("4","6","8","6","6","3","1") = "7"
    & skf18("4","6","8","6","6","4","1") = "7"
    & skf18("4","6","8","6","6","5","1") = "7"
    & skf18("4","6","8","6","6","6","1") = "7"
    & skf18("4","6","8","6","6","7","1") = "7"
    & skf18("4","6","8","6","6","8","1") = "7"
    & skf18("4","6","8","6","6","9","1") = "8"
    & skf18("4","6","8","6","6","10","1") = "9"
    & skf18("4","6","8","6","7","1","1") = "7"
    & skf18("4","6","8","6","7","2","1") = "7"
    & skf18("4","6","8","6","7","3","1") = "7"
    & skf18("4","6","8","6","7","4","1") = "7"
    & skf18("4","6","8","6","7","5","1") = "7"
    & skf18("4","6","8","6","7","6","1") = "7"
    & skf18("4","6","8","6","7","7","1") = "7"
    & skf18("4","6","8","6","7","8","1") = "7"
    & skf18("4","6","8","6","7","9","1") = "8"
    & skf18("4","6","8","6","7","10","1") = "9"
    & skf18("4","6","8","6","8","1","1") = "7"
    & skf18("4","6","8","6","8","2","1") = "7"
    & skf18("4","6","8","6","8","3","1") = "7"
    & skf18("4","6","8","6","8","4","1") = "7"
    & skf18("4","6","8","6","8","5","1") = "7"
    & skf18("4","6","8","6","8","6","1") = "7"
    & skf18("4","6","8","6","8","7","1") = "7"
    & skf18("4","6","8","6","8","8","1") = "7"
    & skf18("4","6","8","6","8","9","1") = "8"
    & skf18("4","6","8","6","8","10","1") = "9"
    & skf18("4","6","8","6","9","1","1") = "8"
    & skf18("4","6","8","6","9","2","1") = "8"
    & skf18("4","6","8","6","9","3","1") = "8"
    & skf18("4","6","8","6","9","4","1") = "8"
    & skf18("4","6","8","6","9","5","1") = "8"
    & skf18("4","6","8","6","9","6","1") = "8"
    & skf18("4","6","8","6","9","7","1") = "8"
    & skf18("4","6","8","6","9","8","1") = "8"
    & skf18("4","6","8","6","9","9","1") = "8"
    & skf18("4","6","8","6","9","10","1") = "9"
    & skf18("4","6","8","6","10","1","1") = "9"
    & skf18("4","6","8","6","10","2","1") = "9"
    & skf18("4","6","8","6","10","3","1") = "9"
    & skf18("4","6","8","6","10","4","1") = "9"
    & skf18("4","6","8","6","10","5","1") = "9"
    & skf18("4","6","8","6","10","6","1") = "9"
    & skf18("4","6","8","6","10","7","1") = "9"
    & skf18("4","6","8","6","10","8","1") = "9"
    & skf18("4","6","8","6","10","9","1") = "9"
    & skf18("4","6","8","6","10","10","1") = "9"
    & skf18("4","6","8","7","1","1","1") = "7"
    & skf18("4","6","8","7","1","2","1") = "7"
    & skf18("4","6","8","7","1","3","1") = "7"
    & skf18("4","6","8","7","1","4","1") = "7"
    & skf18("4","6","8","7","1","5","1") = "7"
    & skf18("4","6","8","7","1","6","1") = "7"
    & skf18("4","6","8","7","1","7","1") = "7"
    & skf18("4","6","8","7","1","8","1") = "7"
    & skf18("4","6","8","7","1","9","1") = "8"
    & skf18("4","6","8","7","1","10","1") = "9"
    & skf18("4","6","8","7","2","1","1") = "7"
    & skf18("4","6","8","7","2","2","1") = "7"
    & skf18("4","6","8","7","2","3","1") = "7"
    & skf18("4","6","8","7","2","4","1") = "7"
    & skf18("4","6","8","7","2","5","1") = "7"
    & skf18("4","6","8","7","2","6","1") = "7"
    & skf18("4","6","8","7","2","7","1") = "7"
    & skf18("4","6","8","7","2","8","1") = "7"
    & skf18("4","6","8","7","2","9","1") = "8"
    & skf18("4","6","8","7","2","10","1") = "9"
    & skf18("4","6","8","7","3","1","1") = "7"
    & skf18("4","6","8","7","3","2","1") = "7"
    & skf18("4","6","8","7","3","3","1") = "7"
    & skf18("4","6","8","7","3","4","1") = "7"
    & skf18("4","6","8","7","3","5","1") = "7"
    & skf18("4","6","8","7","3","6","1") = "7"
    & skf18("4","6","8","7","3","7","1") = "7"
    & skf18("4","6","8","7","3","8","1") = "7"
    & skf18("4","6","8","7","3","9","1") = "8"
    & skf18("4","6","8","7","3","10","1") = "9"
    & skf18("4","6","8","7","4","1","1") = "7"
    & skf18("4","6","8","7","4","2","1") = "7"
    & skf18("4","6","8","7","4","3","1") = "7"
    & skf18("4","6","8","7","4","4","1") = "7"
    & skf18("4","6","8","7","4","5","1") = "7"
    & skf18("4","6","8","7","4","6","1") = "7"
    & skf18("4","6","8","7","4","7","1") = "7"
    & skf18("4","6","8","7","4","8","1") = "7"
    & skf18("4","6","8","7","4","9","1") = "8"
    & skf18("4","6","8","7","4","10","1") = "9"
    & skf18("4","6","8","7","5","1","1") = "7"
    & skf18("4","6","8","7","5","2","1") = "7"
    & skf18("4","6","8","7","5","3","1") = "7"
    & skf18("4","6","8","7","5","4","1") = "7"
    & skf18("4","6","8","7","5","5","1") = "7"
    & skf18("4","6","8","7","5","6","1") = "7"
    & skf18("4","6","8","7","5","7","1") = "7"
    & skf18("4","6","8","7","5","8","1") = "7"
    & skf18("4","6","8","7","5","9","1") = "8"
    & skf18("4","6","8","7","5","10","1") = "9"
    & skf18("4","6","8","7","6","1","1") = "7"
    & skf18("4","6","8","7","6","2","1") = "7"
    & skf18("4","6","8","7","6","3","1") = "7"
    & skf18("4","6","8","7","6","4","1") = "7"
    & skf18("4","6","8","7","6","5","1") = "7"
    & skf18("4","6","8","7","6","6","1") = "7"
    & skf18("4","6","8","7","6","7","1") = "7"
    & skf18("4","6","8","7","6","8","1") = "7"
    & skf18("4","6","8","7","6","9","1") = "8"
    & skf18("4","6","8","7","6","10","1") = "9"
    & skf18("4","6","8","7","7","1","1") = "7"
    & skf18("4","6","8","7","7","2","1") = "7"
    & skf18("4","6","8","7","7","3","1") = "7"
    & skf18("4","6","8","7","7","4","1") = "7"
    & skf18("4","6","8","7","7","5","1") = "7"
    & skf18("4","6","8","7","7","6","1") = "7"
    & skf18("4","6","8","7","7","7","1") = "7"
    & skf18("4","6","8","7","7","8","1") = "7"
    & skf18("4","6","8","7","7","9","1") = "8"
    & skf18("4","6","8","7","7","10","1") = "9"
    & skf18("4","6","8","7","8","1","1") = "7"
    & skf18("4","6","8","7","8","2","1") = "7"
    & skf18("4","6","8","7","8","3","1") = "7"
    & skf18("4","6","8","7","8","4","1") = "7"
    & skf18("4","6","8","7","8","5","1") = "7"
    & skf18("4","6","8","7","8","6","1") = "7"
    & skf18("4","6","8","7","8","7","1") = "7"
    & skf18("4","6","8","7","8","8","1") = "7"
    & skf18("4","6","8","7","8","9","1") = "8"
    & skf18("4","6","8","7","8","10","1") = "9"
    & skf18("4","6","8","7","9","1","1") = "8"
    & skf18("4","6","8","7","9","2","1") = "8"
    & skf18("4","6","8","7","9","3","1") = "8"
    & skf18("4","6","8","7","9","4","1") = "8"
    & skf18("4","6","8","7","9","5","1") = "8"
    & skf18("4","6","8","7","9","6","1") = "8"
    & skf18("4","6","8","7","9","7","1") = "8"
    & skf18("4","6","8","7","9","8","1") = "8"
    & skf18("4","6","8","7","9","9","1") = "8"
    & skf18("4","6","8","7","9","10","1") = "9"
    & skf18("4","6","8","7","10","1","1") = "9"
    & skf18("4","6","8","7","10","2","1") = "9"
    & skf18("4","6","8","7","10","3","1") = "9"
    & skf18("4","6","8","7","10","4","1") = "9"
    & skf18("4","6","8","7","10","5","1") = "9"
    & skf18("4","6","8","7","10","6","1") = "9"
    & skf18("4","6","8","7","10","7","1") = "9"
    & skf18("4","6","8","7","10","8","1") = "9"
    & skf18("4","6","8","7","10","9","1") = "9"
    & skf18("4","6","8","7","10","10","1") = "9"
    & skf18("4","6","8","8","1","1","1") = "7"
    & skf18("4","6","8","8","1","2","1") = "7"
    & skf18("4","6","8","8","1","3","1") = "7"
    & skf18("4","6","8","8","1","4","1") = "7"
    & skf18("4","6","8","8","1","5","1") = "7"
    & skf18("4","6","8","8","1","6","1") = "7"
    & skf18("4","6","8","8","1","7","1") = "7"
    & skf18("4","6","8","8","1","8","1") = "7"
    & skf18("4","6","8","8","1","9","1") = "8"
    & skf18("4","6","8","8","1","10","1") = "9"
    & skf18("4","6","8","8","2","1","1") = "7"
    & skf18("4","6","8","8","2","2","1") = "7"
    & skf18("4","6","8","8","2","3","1") = "7"
    & skf18("4","6","8","8","2","4","1") = "7"
    & skf18("4","6","8","8","2","5","1") = "7"
    & skf18("4","6","8","8","2","6","1") = "7"
    & skf18("4","6","8","8","2","7","1") = "7"
    & skf18("4","6","8","8","2","8","1") = "7"
    & skf18("4","6","8","8","2","9","1") = "8"
    & skf18("4","6","8","8","2","10","1") = "9"
    & skf18("4","6","8","8","3","1","1") = "7"
    & skf18("4","6","8","8","3","2","1") = "7"
    & skf18("4","6","8","8","3","3","1") = "7"
    & skf18("4","6","8","8","3","4","1") = "7"
    & skf18("4","6","8","8","3","5","1") = "7"
    & skf18("4","6","8","8","3","6","1") = "7"
    & skf18("4","6","8","8","3","7","1") = "7"
    & skf18("4","6","8","8","3","8","1") = "7"
    & skf18("4","6","8","8","3","9","1") = "8"
    & skf18("4","6","8","8","3","10","1") = "9"
    & skf18("4","6","8","8","4","1","1") = "7"
    & skf18("4","6","8","8","4","2","1") = "7"
    & skf18("4","6","8","8","4","3","1") = "7"
    & skf18("4","6","8","8","4","4","1") = "7"
    & skf18("4","6","8","8","4","5","1") = "7"
    & skf18("4","6","8","8","4","6","1") = "7"
    & skf18("4","6","8","8","4","7","1") = "7"
    & skf18("4","6","8","8","4","8","1") = "7"
    & skf18("4","6","8","8","4","9","1") = "8"
    & skf18("4","6","8","8","4","10","1") = "9"
    & skf18("4","6","8","8","5","1","1") = "7"
    & skf18("4","6","8","8","5","2","1") = "7"
    & skf18("4","6","8","8","5","3","1") = "7"
    & skf18("4","6","8","8","5","4","1") = "7"
    & skf18("4","6","8","8","5","5","1") = "7"
    & skf18("4","6","8","8","5","6","1") = "7"
    & skf18("4","6","8","8","5","7","1") = "7"
    & skf18("4","6","8","8","5","8","1") = "7"
    & skf18("4","6","8","8","5","9","1") = "8"
    & skf18("4","6","8","8","5","10","1") = "9"
    & skf18("4","6","8","8","6","1","1") = "7"
    & skf18("4","6","8","8","6","2","1") = "7"
    & skf18("4","6","8","8","6","3","1") = "7"
    & skf18("4","6","8","8","6","4","1") = "7"
    & skf18("4","6","8","8","6","5","1") = "7"
    & skf18("4","6","8","8","6","6","1") = "7"
    & skf18("4","6","8","8","6","7","1") = "7"
    & skf18("4","6","8","8","6","8","1") = "7"
    & skf18("4","6","8","8","6","9","1") = "8"
    & skf18("4","6","8","8","6","10","1") = "9"
    & skf18("4","6","8","8","7","1","1") = "7"
    & skf18("4","6","8","8","7","2","1") = "7"
    & skf18("4","6","8","8","7","3","1") = "7"
    & skf18("4","6","8","8","7","4","1") = "7"
    & skf18("4","6","8","8","7","5","1") = "7"
    & skf18("4","6","8","8","7","6","1") = "7"
    & skf18("4","6","8","8","7","7","1") = "7"
    & skf18("4","6","8","8","7","8","1") = "7"
    & skf18("4","6","8","8","7","9","1") = "8"
    & skf18("4","6","8","8","7","10","1") = "9"
    & skf18("4","6","8","8","8","1","1") = "7"
    & skf18("4","6","8","8","8","2","1") = "7"
    & skf18("4","6","8","8","8","3","1") = "7"
    & skf18("4","6","8","8","8","4","1") = "7"
    & skf18("4","6","8","8","8","5","1") = "7"
    & skf18("4","6","8","8","8","6","1") = "7"
    & skf18("4","6","8","8","8","7","1") = "7"
    & skf18("4","6","8","8","8","8","1") = "7"
    & skf18("4","6","8","8","8","9","1") = "8"
    & skf18("4","6","8","8","8","10","1") = "9"
    & skf18("4","6","8","8","9","1","1") = "8"
    & skf18("4","6","8","8","9","2","1") = "8"
    & skf18("4","6","8","8","9","3","1") = "8"
    & skf18("4","6","8","8","9","4","1") = "8"
    & skf18("4","6","8","8","9","5","1") = "8"
    & skf18("4","6","8","8","9","6","1") = "8"
    & skf18("4","6","8","8","9","7","1") = "8"
    & skf18("4","6","8","8","9","8","1") = "8"
    & skf18("4","6","8","8","9","9","1") = "8"
    & skf18("4","6","8","8","9","10","1") = "9"
    & skf18("4","6","8","8","10","1","1") = "9"
    & skf18("4","6","8","8","10","2","1") = "9"
    & skf18("4","6","8","8","10","3","1") = "9"
    & skf18("4","6","8","8","10","4","1") = "9"
    & skf18("4","6","8","8","10","5","1") = "9"
    & skf18("4","6","8","8","10","6","1") = "9"
    & skf18("4","6","8","8","10","7","1") = "9"
    & skf18("4","6","8","8","10","8","1") = "9"
    & skf18("4","6","8","8","10","9","1") = "9"
    & skf18("4","6","8","8","10","10","1") = "9"
    & skf18("4","6","8","9","1","1","1") = "8"
    & skf18("4","6","8","9","1","2","1") = "8"
    & skf18("4","6","8","9","1","3","1") = "8"
    & skf18("4","6","8","9","1","4","1") = "8"
    & skf18("4","6","8","9","1","5","1") = "8"
    & skf18("4","6","8","9","1","6","1") = "8"
    & skf18("4","6","8","9","1","7","1") = "8"
    & skf18("4","6","8","9","1","8","1") = "8"
    & skf18("4","6","8","9","1","9","1") = "8"
    & skf18("4","6","8","9","1","10","1") = "9"
    & skf18("4","6","8","9","2","1","1") = "8"
    & skf18("4","6","8","9","2","2","1") = "8"
    & skf18("4","6","8","9","2","3","1") = "8"
    & skf18("4","6","8","9","2","4","1") = "8"
    & skf18("4","6","8","9","2","5","1") = "8"
    & skf18("4","6","8","9","2","6","1") = "8"
    & skf18("4","6","8","9","2","7","1") = "8"
    & skf18("4","6","8","9","2","8","1") = "8"
    & skf18("4","6","8","9","2","9","1") = "8"
    & skf18("4","6","8","9","2","10","1") = "9"
    & skf18("4","6","8","9","3","1","1") = "8"
    & skf18("4","6","8","9","3","2","1") = "8"
    & skf18("4","6","8","9","3","3","1") = "8"
    & skf18("4","6","8","9","3","4","1") = "8"
    & skf18("4","6","8","9","3","5","1") = "8"
    & skf18("4","6","8","9","3","6","1") = "8"
    & skf18("4","6","8","9","3","7","1") = "8"
    & skf18("4","6","8","9","3","8","1") = "8"
    & skf18("4","6","8","9","3","9","1") = "8"
    & skf18("4","6","8","9","3","10","1") = "9"
    & skf18("4","6","8","9","4","1","1") = "8"
    & skf18("4","6","8","9","4","2","1") = "8"
    & skf18("4","6","8","9","4","3","1") = "8"
    & skf18("4","6","8","9","4","4","1") = "8"
    & skf18("4","6","8","9","4","5","1") = "8"
    & skf18("4","6","8","9","4","6","1") = "8"
    & skf18("4","6","8","9","4","7","1") = "8"
    & skf18("4","6","8","9","4","8","1") = "8"
    & skf18("4","6","8","9","4","9","1") = "8"
    & skf18("4","6","8","9","4","10","1") = "9"
    & skf18("4","6","8","9","5","1","1") = "8"
    & skf18("4","6","8","9","5","2","1") = "8"
    & skf18("4","6","8","9","5","3","1") = "8"
    & skf18("4","6","8","9","5","4","1") = "8"
    & skf18("4","6","8","9","5","5","1") = "8"
    & skf18("4","6","8","9","5","6","1") = "8"
    & skf18("4","6","8","9","5","7","1") = "8"
    & skf18("4","6","8","9","5","8","1") = "8"
    & skf18("4","6","8","9","5","9","1") = "8"
    & skf18("4","6","8","9","5","10","1") = "9"
    & skf18("4","6","8","9","6","1","1") = "8"
    & skf18("4","6","8","9","6","2","1") = "8"
    & skf18("4","6","8","9","6","3","1") = "8"
    & skf18("4","6","8","9","6","4","1") = "8"
    & skf18("4","6","8","9","6","5","1") = "8"
    & skf18("4","6","8","9","6","6","1") = "8"
    & skf18("4","6","8","9","6","7","1") = "8"
    & skf18("4","6","8","9","6","8","1") = "8"
    & skf18("4","6","8","9","6","9","1") = "8"
    & skf18("4","6","8","9","6","10","1") = "9"
    & skf18("4","6","8","9","7","1","1") = "8"
    & skf18("4","6","8","9","7","2","1") = "8"
    & skf18("4","6","8","9","7","3","1") = "8"
    & skf18("4","6","8","9","7","4","1") = "8"
    & skf18("4","6","8","9","7","5","1") = "8"
    & skf18("4","6","8","9","7","6","1") = "8"
    & skf18("4","6","8","9","7","7","1") = "8"
    & skf18("4","6","8","9","7","8","1") = "8"
    & skf18("4","6","8","9","7","9","1") = "8"
    & skf18("4","6","8","9","7","10","1") = "9"
    & skf18("4","6","8","9","8","1","1") = "8"
    & skf18("4","6","8","9","8","2","1") = "8"
    & skf18("4","6","8","9","8","3","1") = "8"
    & skf18("4","6","8","9","8","4","1") = "8"
    & skf18("4","6","8","9","8","5","1") = "8"
    & skf18("4","6","8","9","8","6","1") = "8"
    & skf18("4","6","8","9","8","7","1") = "8"
    & skf18("4","6","8","9","8","8","1") = "8"
    & skf18("4","6","8","9","8","9","1") = "8"
    & skf18("4","6","8","9","8","10","1") = "9"
    & skf18("4","6","8","9","9","1","1") = "8"
    & skf18("4","6","8","9","9","2","1") = "8"
    & skf18("4","6","8","9","9","3","1") = "8"
    & skf18("4","6","8","9","9","4","1") = "8"
    & skf18("4","6","8","9","9","5","1") = "8"
    & skf18("4","6","8","9","9","6","1") = "8"
    & skf18("4","6","8","9","9","7","1") = "8"
    & skf18("4","6","8","9","9","8","1") = "8"
    & skf18("4","6","8","9","9","9","1") = "8"
    & skf18("4","6","8","9","9","10","1") = "9"
    & skf18("4","6","8","9","10","1","1") = "9"
    & skf18("4","6","8","9","10","2","1") = "9"
    & skf18("4","6","8","9","10","3","1") = "9"
    & skf18("4","6","8","9","10","4","1") = "9"
    & skf18("4","6","8","9","10","5","1") = "9"
    & skf18("4","6","8","9","10","6","1") = "9"
    & skf18("4","6","8","9","10","7","1") = "9"
    & skf18("4","6","8","9","10","8","1") = "9"
    & skf18("4","6","8","9","10","9","1") = "9"
    & skf18("4","6","8","9","10","10","1") = "9"
    & skf18("4","6","8","10","1","1","1") = "9"
    & skf18("4","6","8","10","1","2","1") = "9"
    & skf18("4","6","8","10","1","3","1") = "9"
    & skf18("4","6","8","10","1","4","1") = "9"
    & skf18("4","6","8","10","1","5","1") = "9"
    & skf18("4","6","8","10","1","6","1") = "9"
    & skf18("4","6","8","10","1","7","1") = "9"
    & skf18("4","6","8","10","1","8","1") = "9"
    & skf18("4","6","8","10","1","9","1") = "9"
    & skf18("4","6","8","10","1","10","1") = "9"
    & skf18("4","6","8","10","2","1","1") = "9"
    & skf18("4","6","8","10","2","2","1") = "9"
    & skf18("4","6","8","10","2","3","1") = "9"
    & skf18("4","6","8","10","2","4","1") = "9"
    & skf18("4","6","8","10","2","5","1") = "9"
    & skf18("4","6","8","10","2","6","1") = "9"
    & skf18("4","6","8","10","2","7","1") = "9"
    & skf18("4","6","8","10","2","8","1") = "9"
    & skf18("4","6","8","10","2","9","1") = "9"
    & skf18("4","6","8","10","2","10","1") = "9"
    & skf18("4","6","8","10","3","1","1") = "9"
    & skf18("4","6","8","10","3","2","1") = "9"
    & skf18("4","6","8","10","3","3","1") = "9"
    & skf18("4","6","8","10","3","4","1") = "9"
    & skf18("4","6","8","10","3","5","1") = "9"
    & skf18("4","6","8","10","3","6","1") = "9"
    & skf18("4","6","8","10","3","7","1") = "9"
    & skf18("4","6","8","10","3","8","1") = "9"
    & skf18("4","6","8","10","3","9","1") = "9"
    & skf18("4","6","8","10","3","10","1") = "9"
    & skf18("4","6","8","10","4","1","1") = "9"
    & skf18("4","6","8","10","4","2","1") = "9"
    & skf18("4","6","8","10","4","3","1") = "9"
    & skf18("4","6","8","10","4","4","1") = "9"
    & skf18("4","6","8","10","4","5","1") = "9"
    & skf18("4","6","8","10","4","6","1") = "9"
    & skf18("4","6","8","10","4","7","1") = "9"
    & skf18("4","6","8","10","4","8","1") = "9"
    & skf18("4","6","8","10","4","9","1") = "9"
    & skf18("4","6","8","10","4","10","1") = "9"
    & skf18("4","6","8","10","5","1","1") = "9"
    & skf18("4","6","8","10","5","2","1") = "9"
    & skf18("4","6","8","10","5","3","1") = "9"
    & skf18("4","6","8","10","5","4","1") = "9"
    & skf18("4","6","8","10","5","5","1") = "9"
    & skf18("4","6","8","10","5","6","1") = "9"
    & skf18("4","6","8","10","5","7","1") = "9"
    & skf18("4","6","8","10","5","8","1") = "9"
    & skf18("4","6","8","10","5","9","1") = "9"
    & skf18("4","6","8","10","5","10","1") = "9"
    & skf18("4","6","8","10","6","1","1") = "9"
    & skf18("4","6","8","10","6","2","1") = "9"
    & skf18("4","6","8","10","6","3","1") = "9"
    & skf18("4","6","8","10","6","4","1") = "9"
    & skf18("4","6","8","10","6","5","1") = "9"
    & skf18("4","6","8","10","6","6","1") = "9"
    & skf18("4","6","8","10","6","7","1") = "9"
    & skf18("4","6","8","10","6","8","1") = "9"
    & skf18("4","6","8","10","6","9","1") = "9"
    & skf18("4","6","8","10","6","10","1") = "9"
    & skf18("4","6","8","10","7","1","1") = "9"
    & skf18("4","6","8","10","7","2","1") = "9"
    & skf18("4","6","8","10","7","3","1") = "9"
    & skf18("4","6","8","10","7","4","1") = "9"
    & skf18("4","6","8","10","7","5","1") = "9"
    & skf18("4","6","8","10","7","6","1") = "9"
    & skf18("4","6","8","10","7","7","1") = "9"
    & skf18("4","6","8","10","7","8","1") = "9"
    & skf18("4","6","8","10","7","9","1") = "9"
    & skf18("4","6","8","10","7","10","1") = "9"
    & skf18("4","6","8","10","8","1","1") = "9"
    & skf18("4","6","8","10","8","2","1") = "9"
    & skf18("4","6","8","10","8","3","1") = "9"
    & skf18("4","6","8","10","8","4","1") = "9"
    & skf18("4","6","8","10","8","5","1") = "9"
    & skf18("4","6","8","10","8","6","1") = "9"
    & skf18("4","6","8","10","8","7","1") = "9"
    & skf18("4","6","8","10","8","8","1") = "9"
    & skf18("4","6","8","10","8","9","1") = "9"
    & skf18("4","6","8","10","8","10","1") = "9"
    & skf18("4","6","8","10","9","1","1") = "9"
    & skf18("4","6","8","10","9","2","1") = "9"
    & skf18("4","6","8","10","9","3","1") = "9"
    & skf18("4","6","8","10","9","4","1") = "9"
    & skf18("4","6","8","10","9","5","1") = "9"
    & skf18("4","6","8","10","9","6","1") = "9"
    & skf18("4","6","8","10","9","7","1") = "9"
    & skf18("4","6","8","10","9","8","1") = "9"
    & skf18("4","6","8","10","9","9","1") = "9"
    & skf18("4","6","8","10","9","10","1") = "9"
    & skf18("4","6","8","10","10","1","1") = "9"
    & skf18("4","6","8","10","10","2","1") = "9"
    & skf18("4","6","8","10","10","3","1") = "9"
    & skf18("4","6","8","10","10","4","1") = "9"
    & skf18("4","6","8","10","10","5","1") = "9"
    & skf18("4","6","8","10","10","6","1") = "9"
    & skf18("4","6","8","10","10","7","1") = "9"
    & skf18("4","6","8","10","10","8","1") = "9"
    & skf18("4","6","8","10","10","9","1") = "9"
    & skf18("4","6","8","10","10","10","1") = "9"
    & skf18("4","6","9","1","1","1","1") = "8"
    & skf18("4","6","9","1","1","2","1") = "8"
    & skf18("4","6","9","1","1","3","1") = "8"
    & skf18("4","6","9","1","1","4","1") = "8"
    & skf18("4","6","9","1","1","5","1") = "8"
    & skf18("4","6","9","1","1","6","1") = "8"
    & skf18("4","6","9","1","1","7","1") = "8"
    & skf18("4","6","9","1","1","8","1") = "8"
    & skf18("4","6","9","1","1","9","1") = "8"
    & skf18("4","6","9","1","1","10","1") = "9"
    & skf18("4","6","9","1","2","1","1") = "8"
    & skf18("4","6","9","1","2","2","1") = "8"
    & skf18("4","6","9","1","2","3","1") = "8"
    & skf18("4","6","9","1","2","4","1") = "8"
    & skf18("4","6","9","1","2","5","1") = "8"
    & skf18("4","6","9","1","2","6","1") = "8"
    & skf18("4","6","9","1","2","7","1") = "8"
    & skf18("4","6","9","1","2","8","1") = "8"
    & skf18("4","6","9","1","2","9","1") = "8"
    & skf18("4","6","9","1","2","10","1") = "9"
    & skf18("4","6","9","1","3","1","1") = "8"
    & skf18("4","6","9","1","3","2","1") = "8"
    & skf18("4","6","9","1","3","3","1") = "8"
    & skf18("4","6","9","1","3","4","1") = "8"
    & skf18("4","6","9","1","3","5","1") = "8"
    & skf18("4","6","9","1","3","6","1") = "8"
    & skf18("4","6","9","1","3","7","1") = "8"
    & skf18("4","6","9","1","3","8","1") = "8"
    & skf18("4","6","9","1","3","9","1") = "8"
    & skf18("4","6","9","1","3","10","1") = "9"
    & skf18("4","6","9","1","4","1","1") = "8"
    & skf18("4","6","9","1","4","2","1") = "8"
    & skf18("4","6","9","1","4","3","1") = "8"
    & skf18("4","6","9","1","4","4","1") = "8"
    & skf18("4","6","9","1","4","5","1") = "8"
    & skf18("4","6","9","1","4","6","1") = "8"
    & skf18("4","6","9","1","4","7","1") = "8"
    & skf18("4","6","9","1","4","8","1") = "8"
    & skf18("4","6","9","1","4","9","1") = "8"
    & skf18("4","6","9","1","4","10","1") = "9"
    & skf18("4","6","9","1","5","1","1") = "8"
    & skf18("4","6","9","1","5","2","1") = "8"
    & skf18("4","6","9","1","5","3","1") = "8"
    & skf18("4","6","9","1","5","4","1") = "8"
    & skf18("4","6","9","1","5","5","1") = "8"
    & skf18("4","6","9","1","5","6","1") = "8"
    & skf18("4","6","9","1","5","7","1") = "8"
    & skf18("4","6","9","1","5","8","1") = "8"
    & skf18("4","6","9","1","5","9","1") = "8"
    & skf18("4","6","9","1","5","10","1") = "9"
    & skf18("4","6","9","1","6","1","1") = "8"
    & skf18("4","6","9","1","6","2","1") = "8"
    & skf18("4","6","9","1","6","3","1") = "8"
    & skf18("4","6","9","1","6","4","1") = "8"
    & skf18("4","6","9","1","6","5","1") = "8"
    & skf18("4","6","9","1","6","6","1") = "8"
    & skf18("4","6","9","1","6","7","1") = "8"
    & skf18("4","6","9","1","6","8","1") = "8"
    & skf18("4","6","9","1","6","9","1") = "8"
    & skf18("4","6","9","1","6","10","1") = "9"
    & skf18("4","6","9","1","7","1","1") = "8"
    & skf18("4","6","9","1","7","2","1") = "8"
    & skf18("4","6","9","1","7","3","1") = "8"
    & skf18("4","6","9","1","7","4","1") = "8"
    & skf18("4","6","9","1","7","5","1") = "8"
    & skf18("4","6","9","1","7","6","1") = "8"
    & skf18("4","6","9","1","7","7","1") = "8"
    & skf18("4","6","9","1","7","8","1") = "8"
    & skf18("4","6","9","1","7","9","1") = "8"
    & skf18("4","6","9","1","7","10","1") = "9"
    & skf18("4","6","9","1","8","1","1") = "8"
    & skf18("4","6","9","1","8","2","1") = "8"
    & skf18("4","6","9","1","8","3","1") = "8"
    & skf18("4","6","9","1","8","4","1") = "8"
    & skf18("4","6","9","1","8","5","1") = "8"
    & skf18("4","6","9","1","8","6","1") = "8"
    & skf18("4","6","9","1","8","7","1") = "8"
    & skf18("4","6","9","1","8","8","1") = "8"
    & skf18("4","6","9","1","8","9","1") = "8"
    & skf18("4","6","9","1","8","10","1") = "9"
    & skf18("4","6","9","1","9","1","1") = "8"
    & skf18("4","6","9","1","9","2","1") = "8"
    & skf18("4","6","9","1","9","3","1") = "8"
    & skf18("4","6","9","1","9","4","1") = "8"
    & skf18("4","6","9","1","9","5","1") = "8"
    & skf18("4","6","9","1","9","6","1") = "8"
    & skf18("4","6","9","1","9","7","1") = "8"
    & skf18("4","6","9","1","9","8","1") = "8"
    & skf18("4","6","9","1","9","9","1") = "8"
    & skf18("4","6","9","1","9","10","1") = "9"
    & skf18("4","6","9","1","10","1","1") = "9"
    & skf18("4","6","9","1","10","2","1") = "9"
    & skf18("4","6","9","1","10","3","1") = "9"
    & skf18("4","6","9","1","10","4","1") = "9"
    & skf18("4","6","9","1","10","5","1") = "9"
    & skf18("4","6","9","1","10","6","1") = "9"
    & skf18("4","6","9","1","10","7","1") = "9"
    & skf18("4","6","9","1","10","8","1") = "9"
    & skf18("4","6","9","1","10","9","1") = "9"
    & skf18("4","6","9","1","10","10","1") = "9"
    & skf18("4","6","9","2","1","1","1") = "8"
    & skf18("4","6","9","2","1","2","1") = "8"
    & skf18("4","6","9","2","1","3","1") = "8"
    & skf18("4","6","9","2","1","4","1") = "8"
    & skf18("4","6","9","2","1","5","1") = "8"
    & skf18("4","6","9","2","1","6","1") = "8"
    & skf18("4","6","9","2","1","7","1") = "8"
    & skf18("4","6","9","2","1","8","1") = "8"
    & skf18("4","6","9","2","1","9","1") = "8"
    & skf18("4","6","9","2","1","10","1") = "9"
    & skf18("4","6","9","2","2","1","1") = "8"
    & skf18("4","6","9","2","2","2","1") = "8"
    & skf18("4","6","9","2","2","3","1") = "8"
    & skf18("4","6","9","2","2","4","1") = "8"
    & skf18("4","6","9","2","2","5","1") = "8"
    & skf18("4","6","9","2","2","6","1") = "8"
    & skf18("4","6","9","2","2","7","1") = "8"
    & skf18("4","6","9","2","2","8","1") = "8"
    & skf18("4","6","9","2","2","9","1") = "8"
    & skf18("4","6","9","2","2","10","1") = "9"
    & skf18("4","6","9","2","3","1","1") = "8"
    & skf18("4","6","9","2","3","2","1") = "8"
    & skf18("4","6","9","2","3","3","1") = "8"
    & skf18("4","6","9","2","3","4","1") = "8"
    & skf18("4","6","9","2","3","5","1") = "8"
    & skf18("4","6","9","2","3","6","1") = "8"
    & skf18("4","6","9","2","3","7","1") = "8"
    & skf18("4","6","9","2","3","8","1") = "8"
    & skf18("4","6","9","2","3","9","1") = "8"
    & skf18("4","6","9","2","3","10","1") = "9"
    & skf18("4","6","9","2","4","1","1") = "8"
    & skf18("4","6","9","2","4","2","1") = "8"
    & skf18("4","6","9","2","4","3","1") = "8"
    & skf18("4","6","9","2","4","4","1") = "8"
    & skf18("4","6","9","2","4","5","1") = "8"
    & skf18("4","6","9","2","4","6","1") = "8"
    & skf18("4","6","9","2","4","7","1") = "8"
    & skf18("4","6","9","2","4","8","1") = "8"
    & skf18("4","6","9","2","4","9","1") = "8"
    & skf18("4","6","9","2","4","10","1") = "9"
    & skf18("4","6","9","2","5","1","1") = "8"
    & skf18("4","6","9","2","5","2","1") = "8"
    & skf18("4","6","9","2","5","3","1") = "8"
    & skf18("4","6","9","2","5","4","1") = "8"
    & skf18("4","6","9","2","5","5","1") = "8"
    & skf18("4","6","9","2","5","6","1") = "8"
    & skf18("4","6","9","2","5","7","1") = "8"
    & skf18("4","6","9","2","5","8","1") = "8"
    & skf18("4","6","9","2","5","9","1") = "8"
    & skf18("4","6","9","2","5","10","1") = "9"
    & skf18("4","6","9","2","6","1","1") = "8"
    & skf18("4","6","9","2","6","2","1") = "8"
    & skf18("4","6","9","2","6","3","1") = "8"
    & skf18("4","6","9","2","6","4","1") = "8"
    & skf18("4","6","9","2","6","5","1") = "8"
    & skf18("4","6","9","2","6","6","1") = "8"
    & skf18("4","6","9","2","6","7","1") = "8"
    & skf18("4","6","9","2","6","8","1") = "8"
    & skf18("4","6","9","2","6","9","1") = "8"
    & skf18("4","6","9","2","6","10","1") = "9"
    & skf18("4","6","9","2","7","1","1") = "8"
    & skf18("4","6","9","2","7","2","1") = "8"
    & skf18("4","6","9","2","7","3","1") = "8"
    & skf18("4","6","9","2","7","4","1") = "8"
    & skf18("4","6","9","2","7","5","1") = "8"
    & skf18("4","6","9","2","7","6","1") = "8"
    & skf18("4","6","9","2","7","7","1") = "8"
    & skf18("4","6","9","2","7","8","1") = "8"
    & skf18("4","6","9","2","7","9","1") = "8"
    & skf18("4","6","9","2","7","10","1") = "9"
    & skf18("4","6","9","2","8","1","1") = "8"
    & skf18("4","6","9","2","8","2","1") = "8"
    & skf18("4","6","9","2","8","3","1") = "8"
    & skf18("4","6","9","2","8","4","1") = "8"
    & skf18("4","6","9","2","8","5","1") = "8"
    & skf18("4","6","9","2","8","6","1") = "8"
    & skf18("4","6","9","2","8","7","1") = "8"
    & skf18("4","6","9","2","8","8","1") = "8"
    & skf18("4","6","9","2","8","9","1") = "8"
    & skf18("4","6","9","2","8","10","1") = "9"
    & skf18("4","6","9","2","9","1","1") = "8"
    & skf18("4","6","9","2","9","2","1") = "8"
    & skf18("4","6","9","2","9","3","1") = "8"
    & skf18("4","6","9","2","9","4","1") = "8"
    & skf18("4","6","9","2","9","5","1") = "8"
    & skf18("4","6","9","2","9","6","1") = "8"
    & skf18("4","6","9","2","9","7","1") = "8"
    & skf18("4","6","9","2","9","8","1") = "8"
    & skf18("4","6","9","2","9","9","1") = "8"
    & skf18("4","6","9","2","9","10","1") = "9"
    & skf18("4","6","9","2","10","1","1") = "9"
    & skf18("4","6","9","2","10","2","1") = "9"
    & skf18("4","6","9","2","10","3","1") = "9"
    & skf18("4","6","9","2","10","4","1") = "9"
    & skf18("4","6","9","2","10","5","1") = "9"
    & skf18("4","6","9","2","10","6","1") = "9"
    & skf18("4","6","9","2","10","7","1") = "9"
    & skf18("4","6","9","2","10","8","1") = "9"
    & skf18("4","6","9","2","10","9","1") = "9"
    & skf18("4","6","9","2","10","10","1") = "9"
    & skf18("4","6","9","3","1","1","1") = "8"
    & skf18("4","6","9","3","1","2","1") = "8"
    & skf18("4","6","9","3","1","3","1") = "8"
    & skf18("4","6","9","3","1","4","1") = "8"
    & skf18("4","6","9","3","1","5","1") = "8"
    & skf18("4","6","9","3","1","6","1") = "8"
    & skf18("4","6","9","3","1","7","1") = "8"
    & skf18("4","6","9","3","1","8","1") = "8"
    & skf18("4","6","9","3","1","9","1") = "8"
    & skf18("4","6","9","3","1","10","1") = "9"
    & skf18("4","6","9","3","2","1","1") = "8"
    & skf18("4","6","9","3","2","2","1") = "8"
    & skf18("4","6","9","3","2","3","1") = "8"
    & skf18("4","6","9","3","2","4","1") = "8"
    & skf18("4","6","9","3","2","5","1") = "8"
    & skf18("4","6","9","3","2","6","1") = "8"
    & skf18("4","6","9","3","2","7","1") = "8"
    & skf18("4","6","9","3","2","8","1") = "8"
    & skf18("4","6","9","3","2","9","1") = "8"
    & skf18("4","6","9","3","2","10","1") = "9"
    & skf18("4","6","9","3","3","1","1") = "8"
    & skf18("4","6","9","3","3","2","1") = "8"
    & skf18("4","6","9","3","3","3","1") = "8"
    & skf18("4","6","9","3","3","4","1") = "8"
    & skf18("4","6","9","3","3","5","1") = "8"
    & skf18("4","6","9","3","3","6","1") = "8"
    & skf18("4","6","9","3","3","7","1") = "8"
    & skf18("4","6","9","3","3","8","1") = "8"
    & skf18("4","6","9","3","3","9","1") = "8"
    & skf18("4","6","9","3","3","10","1") = "9"
    & skf18("4","6","9","3","4","1","1") = "8"
    & skf18("4","6","9","3","4","2","1") = "8"
    & skf18("4","6","9","3","4","3","1") = "8"
    & skf18("4","6","9","3","4","4","1") = "8"
    & skf18("4","6","9","3","4","5","1") = "8"
    & skf18("4","6","9","3","4","6","1") = "8"
    & skf18("4","6","9","3","4","7","1") = "8"
    & skf18("4","6","9","3","4","8","1") = "8"
    & skf18("4","6","9","3","4","9","1") = "8"
    & skf18("4","6","9","3","4","10","1") = "9"
    & skf18("4","6","9","3","5","1","1") = "8"
    & skf18("4","6","9","3","5","2","1") = "8"
    & skf18("4","6","9","3","5","3","1") = "8"
    & skf18("4","6","9","3","5","4","1") = "8"
    & skf18("4","6","9","3","5","5","1") = "8"
    & skf18("4","6","9","3","5","6","1") = "8"
    & skf18("4","6","9","3","5","7","1") = "8"
    & skf18("4","6","9","3","5","8","1") = "8"
    & skf18("4","6","9","3","5","9","1") = "8"
    & skf18("4","6","9","3","5","10","1") = "9"
    & skf18("4","6","9","3","6","1","1") = "8"
    & skf18("4","6","9","3","6","2","1") = "8"
    & skf18("4","6","9","3","6","3","1") = "8"
    & skf18("4","6","9","3","6","4","1") = "8"
    & skf18("4","6","9","3","6","5","1") = "8"
    & skf18("4","6","9","3","6","6","1") = "8"
    & skf18("4","6","9","3","6","7","1") = "8"
    & skf18("4","6","9","3","6","8","1") = "8"
    & skf18("4","6","9","3","6","9","1") = "8"
    & skf18("4","6","9","3","6","10","1") = "9"
    & skf18("4","6","9","3","7","1","1") = "8"
    & skf18("4","6","9","3","7","2","1") = "8"
    & skf18("4","6","9","3","7","3","1") = "8"
    & skf18("4","6","9","3","7","4","1") = "8"
    & skf18("4","6","9","3","7","5","1") = "8"
    & skf18("4","6","9","3","7","6","1") = "8"
    & skf18("4","6","9","3","7","7","1") = "8"
    & skf18("4","6","9","3","7","8","1") = "8"
    & skf18("4","6","9","3","7","9","1") = "8"
    & skf18("4","6","9","3","7","10","1") = "9"
    & skf18("4","6","9","3","8","1","1") = "8"
    & skf18("4","6","9","3","8","2","1") = "8"
    & skf18("4","6","9","3","8","3","1") = "8"
    & skf18("4","6","9","3","8","4","1") = "8"
    & skf18("4","6","9","3","8","5","1") = "8"
    & skf18("4","6","9","3","8","6","1") = "8"
    & skf18("4","6","9","3","8","7","1") = "8"
    & skf18("4","6","9","3","8","8","1") = "8"
    & skf18("4","6","9","3","8","9","1") = "8"
    & skf18("4","6","9","3","8","10","1") = "9"
    & skf18("4","6","9","3","9","1","1") = "8"
    & skf18("4","6","9","3","9","2","1") = "8"
    & skf18("4","6","9","3","9","3","1") = "8"
    & skf18("4","6","9","3","9","4","1") = "8"
    & skf18("4","6","9","3","9","5","1") = "8"
    & skf18("4","6","9","3","9","6","1") = "8"
    & skf18("4","6","9","3","9","7","1") = "8"
    & skf18("4","6","9","3","9","8","1") = "8"
    & skf18("4","6","9","3","9","9","1") = "8"
    & skf18("4","6","9","3","9","10","1") = "9"
    & skf18("4","6","9","3","10","1","1") = "9"
    & skf18("4","6","9","3","10","2","1") = "9"
    & skf18("4","6","9","3","10","3","1") = "9"
    & skf18("4","6","9","3","10","4","1") = "9"
    & skf18("4","6","9","3","10","5","1") = "9"
    & skf18("4","6","9","3","10","6","1") = "9"
    & skf18("4","6","9","3","10","7","1") = "9"
    & skf18("4","6","9","3","10","8","1") = "9"
    & skf18("4","6","9","3","10","9","1") = "9"
    & skf18("4","6","9","3","10","10","1") = "9"
    & skf18("4","6","9","4","1","1","1") = "8"
    & skf18("4","6","9","4","1","2","1") = "8"
    & skf18("4","6","9","4","1","3","1") = "8"
    & skf18("4","6","9","4","1","4","1") = "8"
    & skf18("4","6","9","4","1","5","1") = "8"
    & skf18("4","6","9","4","1","6","1") = "8"
    & skf18("4","6","9","4","1","7","1") = "8"
    & skf18("4","6","9","4","1","8","1") = "8"
    & skf18("4","6","9","4","1","9","1") = "8"
    & skf18("4","6","9","4","1","10","1") = "9"
    & skf18("4","6","9","4","2","1","1") = "8"
    & skf18("4","6","9","4","2","2","1") = "8"
    & skf18("4","6","9","4","2","3","1") = "8"
    & skf18("4","6","9","4","2","4","1") = "8"
    & skf18("4","6","9","4","2","5","1") = "8"
    & skf18("4","6","9","4","2","6","1") = "8"
    & skf18("4","6","9","4","2","7","1") = "8"
    & skf18("4","6","9","4","2","8","1") = "8"
    & skf18("4","6","9","4","2","9","1") = "8"
    & skf18("4","6","9","4","2","10","1") = "9"
    & skf18("4","6","9","4","3","1","1") = "8"
    & skf18("4","6","9","4","3","2","1") = "8"
    & skf18("4","6","9","4","3","3","1") = "8"
    & skf18("4","6","9","4","3","4","1") = "8"
    & skf18("4","6","9","4","3","5","1") = "8"
    & skf18("4","6","9","4","3","6","1") = "8"
    & skf18("4","6","9","4","3","7","1") = "8"
    & skf18("4","6","9","4","3","8","1") = "8"
    & skf18("4","6","9","4","3","9","1") = "8"
    & skf18("4","6","9","4","3","10","1") = "9"
    & skf18("4","6","9","4","4","1","1") = "8"
    & skf18("4","6","9","4","4","2","1") = "8"
    & skf18("4","6","9","4","4","3","1") = "8"
    & skf18("4","6","9","4","4","4","1") = "8"
    & skf18("4","6","9","4","4","5","1") = "8"
    & skf18("4","6","9","4","4","6","1") = "8"
    & skf18("4","6","9","4","4","7","1") = "8"
    & skf18("4","6","9","4","4","8","1") = "8"
    & skf18("4","6","9","4","4","9","1") = "8"
    & skf18("4","6","9","4","4","10","1") = "9"
    & skf18("4","6","9","4","5","1","1") = "8"
    & skf18("4","6","9","4","5","2","1") = "8"
    & skf18("4","6","9","4","5","3","1") = "8"
    & skf18("4","6","9","4","5","4","1") = "8"
    & skf18("4","6","9","4","5","5","1") = "8"
    & skf18("4","6","9","4","5","6","1") = "8"
    & skf18("4","6","9","4","5","7","1") = "8"
    & skf18("4","6","9","4","5","8","1") = "8"
    & skf18("4","6","9","4","5","9","1") = "8"
    & skf18("4","6","9","4","5","10","1") = "9"
    & skf18("4","6","9","4","6","1","1") = "8"
    & skf18("4","6","9","4","6","2","1") = "8"
    & skf18("4","6","9","4","6","3","1") = "8"
    & skf18("4","6","9","4","6","4","1") = "8"
    & skf18("4","6","9","4","6","5","1") = "8"
    & skf18("4","6","9","4","6","6","1") = "8"
    & skf18("4","6","9","4","6","7","1") = "8"
    & skf18("4","6","9","4","6","8","1") = "8"
    & skf18("4","6","9","4","6","9","1") = "8"
    & skf18("4","6","9","4","6","10","1") = "9"
    & skf18("4","6","9","4","7","1","1") = "8"
    & skf18("4","6","9","4","7","2","1") = "8"
    & skf18("4","6","9","4","7","3","1") = "8"
    & skf18("4","6","9","4","7","4","1") = "8"
    & skf18("4","6","9","4","7","5","1") = "8"
    & skf18("4","6","9","4","7","6","1") = "8"
    & skf18("4","6","9","4","7","7","1") = "8"
    & skf18("4","6","9","4","7","8","1") = "8"
    & skf18("4","6","9","4","7","9","1") = "8"
    & skf18("4","6","9","4","7","10","1") = "9"
    & skf18("4","6","9","4","8","1","1") = "8"
    & skf18("4","6","9","4","8","2","1") = "8"
    & skf18("4","6","9","4","8","3","1") = "8"
    & skf18("4","6","9","4","8","4","1") = "8"
    & skf18("4","6","9","4","8","5","1") = "8"
    & skf18("4","6","9","4","8","6","1") = "8"
    & skf18("4","6","9","4","8","7","1") = "8"
    & skf18("4","6","9","4","8","8","1") = "8"
    & skf18("4","6","9","4","8","9","1") = "8"
    & skf18("4","6","9","4","8","10","1") = "9"
    & skf18("4","6","9","4","9","1","1") = "8"
    & skf18("4","6","9","4","9","2","1") = "8"
    & skf18("4","6","9","4","9","3","1") = "8"
    & skf18("4","6","9","4","9","4","1") = "8"
    & skf18("4","6","9","4","9","5","1") = "8"
    & skf18("4","6","9","4","9","6","1") = "8"
    & skf18("4","6","9","4","9","7","1") = "8"
    & skf18("4","6","9","4","9","8","1") = "8"
    & skf18("4","6","9","4","9","9","1") = "8"
    & skf18("4","6","9","4","9","10","1") = "9"
    & skf18("4","6","9","4","10","1","1") = "9"
    & skf18("4","6","9","4","10","2","1") = "9"
    & skf18("4","6","9","4","10","3","1") = "9"
    & skf18("4","6","9","4","10","4","1") = "9"
    & skf18("4","6","9","4","10","5","1") = "9"
    & skf18("4","6","9","4","10","6","1") = "9"
    & skf18("4","6","9","4","10","7","1") = "9"
    & skf18("4","6","9","4","10","8","1") = "9"
    & skf18("4","6","9","4","10","9","1") = "9"
    & skf18("4","6","9","4","10","10","1") = "9"
    & skf18("4","6","9","5","1","1","1") = "8"
    & skf18("4","6","9","5","1","2","1") = "8"
    & skf18("4","6","9","5","1","3","1") = "8"
    & skf18("4","6","9","5","1","4","1") = "8"
    & skf18("4","6","9","5","1","5","1") = "8"
    & skf18("4","6","9","5","1","6","1") = "8"
    & skf18("4","6","9","5","1","7","1") = "8"
    & skf18("4","6","9","5","1","8","1") = "8"
    & skf18("4","6","9","5","1","9","1") = "8"
    & skf18("4","6","9","5","1","10","1") = "9"
    & skf18("4","6","9","5","2","1","1") = "8"
    & skf18("4","6","9","5","2","2","1") = "8"
    & skf18("4","6","9","5","2","3","1") = "8"
    & skf18("4","6","9","5","2","4","1") = "8"
    & skf18("4","6","9","5","2","5","1") = "8"
    & skf18("4","6","9","5","2","6","1") = "8"
    & skf18("4","6","9","5","2","7","1") = "8"
    & skf18("4","6","9","5","2","8","1") = "8"
    & skf18("4","6","9","5","2","9","1") = "8"
    & skf18("4","6","9","5","2","10","1") = "9"
    & skf18("4","6","9","5","3","1","1") = "8"
    & skf18("4","6","9","5","3","2","1") = "8"
    & skf18("4","6","9","5","3","3","1") = "8"
    & skf18("4","6","9","5","3","4","1") = "8"
    & skf18("4","6","9","5","3","5","1") = "8"
    & skf18("4","6","9","5","3","6","1") = "8"
    & skf18("4","6","9","5","3","7","1") = "8"
    & skf18("4","6","9","5","3","8","1") = "8"
    & skf18("4","6","9","5","3","9","1") = "8"
    & skf18("4","6","9","5","3","10","1") = "9"
    & skf18("4","6","9","5","4","1","1") = "8"
    & skf18("4","6","9","5","4","2","1") = "8"
    & skf18("4","6","9","5","4","3","1") = "8"
    & skf18("4","6","9","5","4","4","1") = "8"
    & skf18("4","6","9","5","4","5","1") = "8"
    & skf18("4","6","9","5","4","6","1") = "8"
    & skf18("4","6","9","5","4","7","1") = "8"
    & skf18("4","6","9","5","4","8","1") = "8"
    & skf18("4","6","9","5","4","9","1") = "8"
    & skf18("4","6","9","5","4","10","1") = "9"
    & skf18("4","6","9","5","5","1","1") = "8"
    & skf18("4","6","9","5","5","2","1") = "8"
    & skf18("4","6","9","5","5","3","1") = "8"
    & skf18("4","6","9","5","5","4","1") = "8"
    & skf18("4","6","9","5","5","5","1") = "8"
    & skf18("4","6","9","5","5","6","1") = "8"
    & skf18("4","6","9","5","5","7","1") = "8"
    & skf18("4","6","9","5","5","8","1") = "8"
    & skf18("4","6","9","5","5","9","1") = "8"
    & skf18("4","6","9","5","5","10","1") = "9"
    & skf18("4","6","9","5","6","1","1") = "8"
    & skf18("4","6","9","5","6","2","1") = "8"
    & skf18("4","6","9","5","6","3","1") = "8"
    & skf18("4","6","9","5","6","4","1") = "8"
    & skf18("4","6","9","5","6","5","1") = "8"
    & skf18("4","6","9","5","6","6","1") = "8"
    & skf18("4","6","9","5","6","7","1") = "8"
    & skf18("4","6","9","5","6","8","1") = "8"
    & skf18("4","6","9","5","6","9","1") = "8"
    & skf18("4","6","9","5","6","10","1") = "9"
    & skf18("4","6","9","5","7","1","1") = "8"
    & skf18("4","6","9","5","7","2","1") = "8"
    & skf18("4","6","9","5","7","3","1") = "8"
    & skf18("4","6","9","5","7","4","1") = "8"
    & skf18("4","6","9","5","7","5","1") = "8"
    & skf18("4","6","9","5","7","6","1") = "8"
    & skf18("4","6","9","5","7","7","1") = "8"
    & skf18("4","6","9","5","7","8","1") = "8"
    & skf18("4","6","9","5","7","9","1") = "8"
    & skf18("4","6","9","5","7","10","1") = "9"
    & skf18("4","6","9","5","8","1","1") = "8"
    & skf18("4","6","9","5","8","2","1") = "8"
    & skf18("4","6","9","5","8","3","1") = "8"
    & skf18("4","6","9","5","8","4","1") = "8"
    & skf18("4","6","9","5","8","5","1") = "8"
    & skf18("4","6","9","5","8","6","1") = "8"
    & skf18("4","6","9","5","8","7","1") = "8"
    & skf18("4","6","9","5","8","8","1") = "8"
    & skf18("4","6","9","5","8","9","1") = "8"
    & skf18("4","6","9","5","8","10","1") = "9"
    & skf18("4","6","9","5","9","1","1") = "8"
    & skf18("4","6","9","5","9","2","1") = "8"
    & skf18("4","6","9","5","9","3","1") = "8"
    & skf18("4","6","9","5","9","4","1") = "8"
    & skf18("4","6","9","5","9","5","1") = "8"
    & skf18("4","6","9","5","9","6","1") = "8"
    & skf18("4","6","9","5","9","7","1") = "8"
    & skf18("4","6","9","5","9","8","1") = "8"
    & skf18("4","6","9","5","9","9","1") = "8"
    & skf18("4","6","9","5","9","10","1") = "9"
    & skf18("4","6","9","5","10","1","1") = "9"
    & skf18("4","6","9","5","10","2","1") = "9"
    & skf18("4","6","9","5","10","3","1") = "9"
    & skf18("4","6","9","5","10","4","1") = "9"
    & skf18("4","6","9","5","10","5","1") = "9"
    & skf18("4","6","9","5","10","6","1") = "9"
    & skf18("4","6","9","5","10","7","1") = "9"
    & skf18("4","6","9","5","10","8","1") = "9"
    & skf18("4","6","9","5","10","9","1") = "9"
    & skf18("4","6","9","5","10","10","1") = "9"
    & skf18("4","6","9","6","1","1","1") = "8"
    & skf18("4","6","9","6","1","2","1") = "8"
    & skf18("4","6","9","6","1","3","1") = "8"
    & skf18("4","6","9","6","1","4","1") = "8"
    & skf18("4","6","9","6","1","5","1") = "8"
    & skf18("4","6","9","6","1","6","1") = "8"
    & skf18("4","6","9","6","1","7","1") = "8"
    & skf18("4","6","9","6","1","8","1") = "8"
    & skf18("4","6","9","6","1","9","1") = "8"
    & skf18("4","6","9","6","1","10","1") = "9"
    & skf18("4","6","9","6","2","1","1") = "8"
    & skf18("4","6","9","6","2","2","1") = "8"
    & skf18("4","6","9","6","2","3","1") = "8"
    & skf18("4","6","9","6","2","4","1") = "8"
    & skf18("4","6","9","6","2","5","1") = "8"
    & skf18("4","6","9","6","2","6","1") = "8"
    & skf18("4","6","9","6","2","7","1") = "8"
    & skf18("4","6","9","6","2","8","1") = "8"
    & skf18("4","6","9","6","2","9","1") = "8"
    & skf18("4","6","9","6","2","10","1") = "9"
    & skf18("4","6","9","6","3","1","1") = "8"
    & skf18("4","6","9","6","3","2","1") = "8"
    & skf18("4","6","9","6","3","3","1") = "8"
    & skf18("4","6","9","6","3","4","1") = "8"
    & skf18("4","6","9","6","3","5","1") = "8"
    & skf18("4","6","9","6","3","6","1") = "8"
    & skf18("4","6","9","6","3","7","1") = "8"
    & skf18("4","6","9","6","3","8","1") = "8"
    & skf18("4","6","9","6","3","9","1") = "8"
    & skf18("4","6","9","6","3","10","1") = "9"
    & skf18("4","6","9","6","4","1","1") = "8"
    & skf18("4","6","9","6","4","2","1") = "8"
    & skf18("4","6","9","6","4","3","1") = "8"
    & skf18("4","6","9","6","4","4","1") = "8"
    & skf18("4","6","9","6","4","5","1") = "8"
    & skf18("4","6","9","6","4","6","1") = "8"
    & skf18("4","6","9","6","4","7","1") = "8"
    & skf18("4","6","9","6","4","8","1") = "8"
    & skf18("4","6","9","6","4","9","1") = "8"
    & skf18("4","6","9","6","4","10","1") = "9"
    & skf18("4","6","9","6","5","1","1") = "8"
    & skf18("4","6","9","6","5","2","1") = "8"
    & skf18("4","6","9","6","5","3","1") = "8"
    & skf18("4","6","9","6","5","4","1") = "8"
    & skf18("4","6","9","6","5","5","1") = "8"
    & skf18("4","6","9","6","5","6","1") = "8"
    & skf18("4","6","9","6","5","7","1") = "8"
    & skf18("4","6","9","6","5","8","1") = "8"
    & skf18("4","6","9","6","5","9","1") = "8"
    & skf18("4","6","9","6","5","10","1") = "9"
    & skf18("4","6","9","6","6","1","1") = "8"
    & skf18("4","6","9","6","6","2","1") = "8"
    & skf18("4","6","9","6","6","3","1") = "8"
    & skf18("4","6","9","6","6","4","1") = "8"
    & skf18("4","6","9","6","6","5","1") = "8"
    & skf18("4","6","9","6","6","6","1") = "8"
    & skf18("4","6","9","6","6","7","1") = "8"
    & skf18("4","6","9","6","6","8","1") = "8"
    & skf18("4","6","9","6","6","9","1") = "8"
    & skf18("4","6","9","6","6","10","1") = "9"
    & skf18("4","6","9","6","7","1","1") = "8"
    & skf18("4","6","9","6","7","2","1") = "8"
    & skf18("4","6","9","6","7","3","1") = "8"
    & skf18("4","6","9","6","7","4","1") = "8"
    & skf18("4","6","9","6","7","5","1") = "8"
    & skf18("4","6","9","6","7","6","1") = "8"
    & skf18("4","6","9","6","7","7","1") = "8"
    & skf18("4","6","9","6","7","8","1") = "8"
    & skf18("4","6","9","6","7","9","1") = "8"
    & skf18("4","6","9","6","7","10","1") = "9"
    & skf18("4","6","9","6","8","1","1") = "8"
    & skf18("4","6","9","6","8","2","1") = "8"
    & skf18("4","6","9","6","8","3","1") = "8"
    & skf18("4","6","9","6","8","4","1") = "8"
    & skf18("4","6","9","6","8","5","1") = "8"
    & skf18("4","6","9","6","8","6","1") = "8"
    & skf18("4","6","9","6","8","7","1") = "8"
    & skf18("4","6","9","6","8","8","1") = "8"
    & skf18("4","6","9","6","8","9","1") = "8"
    & skf18("4","6","9","6","8","10","1") = "9"
    & skf18("4","6","9","6","9","1","1") = "8"
    & skf18("4","6","9","6","9","2","1") = "8"
    & skf18("4","6","9","6","9","3","1") = "8"
    & skf18("4","6","9","6","9","4","1") = "8"
    & skf18("4","6","9","6","9","5","1") = "8"
    & skf18("4","6","9","6","9","6","1") = "8"
    & skf18("4","6","9","6","9","7","1") = "8"
    & skf18("4","6","9","6","9","8","1") = "8"
    & skf18("4","6","9","6","9","9","1") = "8"
    & skf18("4","6","9","6","9","10","1") = "9"
    & skf18("4","6","9","6","10","1","1") = "9"
    & skf18("4","6","9","6","10","2","1") = "9"
    & skf18("4","6","9","6","10","3","1") = "9"
    & skf18("4","6","9","6","10","4","1") = "9"
    & skf18("4","6","9","6","10","5","1") = "9"
    & skf18("4","6","9","6","10","6","1") = "9"
    & skf18("4","6","9","6","10","7","1") = "9"
    & skf18("4","6","9","6","10","8","1") = "9"
    & skf18("4","6","9","6","10","9","1") = "9"
    & skf18("4","6","9","6","10","10","1") = "9"
    & skf18("4","6","9","7","1","1","1") = "8"
    & skf18("4","6","9","7","1","2","1") = "8"
    & skf18("4","6","9","7","1","3","1") = "8"
    & skf18("4","6","9","7","1","4","1") = "8"
    & skf18("4","6","9","7","1","5","1") = "8"
    & skf18("4","6","9","7","1","6","1") = "8"
    & skf18("4","6","9","7","1","7","1") = "8"
    & skf18("4","6","9","7","1","8","1") = "8"
    & skf18("4","6","9","7","1","9","1") = "8"
    & skf18("4","6","9","7","1","10","1") = "9"
    & skf18("4","6","9","7","2","1","1") = "8"
    & skf18("4","6","9","7","2","2","1") = "8"
    & skf18("4","6","9","7","2","3","1") = "8"
    & skf18("4","6","9","7","2","4","1") = "8"
    & skf18("4","6","9","7","2","5","1") = "8"
    & skf18("4","6","9","7","2","6","1") = "8"
    & skf18("4","6","9","7","2","7","1") = "8"
    & skf18("4","6","9","7","2","8","1") = "8"
    & skf18("4","6","9","7","2","9","1") = "8"
    & skf18("4","6","9","7","2","10","1") = "9"
    & skf18("4","6","9","7","3","1","1") = "8"
    & skf18("4","6","9","7","3","2","1") = "8"
    & skf18("4","6","9","7","3","3","1") = "8"
    & skf18("4","6","9","7","3","4","1") = "8"
    & skf18("4","6","9","7","3","5","1") = "8"
    & skf18("4","6","9","7","3","6","1") = "8"
    & skf18("4","6","9","7","3","7","1") = "8"
    & skf18("4","6","9","7","3","8","1") = "8"
    & skf18("4","6","9","7","3","9","1") = "8"
    & skf18("4","6","9","7","3","10","1") = "9"
    & skf18("4","6","9","7","4","1","1") = "8"
    & skf18("4","6","9","7","4","2","1") = "8"
    & skf18("4","6","9","7","4","3","1") = "8"
    & skf18("4","6","9","7","4","4","1") = "8"
    & skf18("4","6","9","7","4","5","1") = "8"
    & skf18("4","6","9","7","4","6","1") = "8"
    & skf18("4","6","9","7","4","7","1") = "8"
    & skf18("4","6","9","7","4","8","1") = "8"
    & skf18("4","6","9","7","4","9","1") = "8"
    & skf18("4","6","9","7","4","10","1") = "9"
    & skf18("4","6","9","7","5","1","1") = "8"
    & skf18("4","6","9","7","5","2","1") = "8"
    & skf18("4","6","9","7","5","3","1") = "8"
    & skf18("4","6","9","7","5","4","1") = "8"
    & skf18("4","6","9","7","5","5","1") = "8"
    & skf18("4","6","9","7","5","6","1") = "8"
    & skf18("4","6","9","7","5","7","1") = "8"
    & skf18("4","6","9","7","5","8","1") = "8"
    & skf18("4","6","9","7","5","9","1") = "8"
    & skf18("4","6","9","7","5","10","1") = "9"
    & skf18("4","6","9","7","6","1","1") = "8"
    & skf18("4","6","9","7","6","2","1") = "8"
    & skf18("4","6","9","7","6","3","1") = "8"
    & skf18("4","6","9","7","6","4","1") = "8"
    & skf18("4","6","9","7","6","5","1") = "8"
    & skf18("4","6","9","7","6","6","1") = "8"
    & skf18("4","6","9","7","6","7","1") = "8"
    & skf18("4","6","9","7","6","8","1") = "8"
    & skf18("4","6","9","7","6","9","1") = "8"
    & skf18("4","6","9","7","6","10","1") = "9"
    & skf18("4","6","9","7","7","1","1") = "8"
    & skf18("4","6","9","7","7","2","1") = "8"
    & skf18("4","6","9","7","7","3","1") = "8"
    & skf18("4","6","9","7","7","4","1") = "8"
    & skf18("4","6","9","7","7","5","1") = "8"
    & skf18("4","6","9","7","7","6","1") = "8"
    & skf18("4","6","9","7","7","7","1") = "8"
    & skf18("4","6","9","7","7","8","1") = "8"
    & skf18("4","6","9","7","7","9","1") = "8"
    & skf18("4","6","9","7","7","10","1") = "9"
    & skf18("4","6","9","7","8","1","1") = "8"
    & skf18("4","6","9","7","8","2","1") = "8"
    & skf18("4","6","9","7","8","3","1") = "8"
    & skf18("4","6","9","7","8","4","1") = "8"
    & skf18("4","6","9","7","8","5","1") = "8"
    & skf18("4","6","9","7","8","6","1") = "8"
    & skf18("4","6","9","7","8","7","1") = "8"
    & skf18("4","6","9","7","8","8","1") = "8"
    & skf18("4","6","9","7","8","9","1") = "8"
    & skf18("4","6","9","7","8","10","1") = "9"
    & skf18("4","6","9","7","9","1","1") = "8"
    & skf18("4","6","9","7","9","2","1") = "8"
    & skf18("4","6","9","7","9","3","1") = "8"
    & skf18("4","6","9","7","9","4","1") = "8"
    & skf18("4","6","9","7","9","5","1") = "8"
    & skf18("4","6","9","7","9","6","1") = "8"
    & skf18("4","6","9","7","9","7","1") = "8"
    & skf18("4","6","9","7","9","8","1") = "8"
    & skf18("4","6","9","7","9","9","1") = "8"
    & skf18("4","6","9","7","9","10","1") = "9"
    & skf18("4","6","9","7","10","1","1") = "9"
    & skf18("4","6","9","7","10","2","1") = "9"
    & skf18("4","6","9","7","10","3","1") = "9"
    & skf18("4","6","9","7","10","4","1") = "9"
    & skf18("4","6","9","7","10","5","1") = "9"
    & skf18("4","6","9","7","10","6","1") = "9"
    & skf18("4","6","9","7","10","7","1") = "9"
    & skf18("4","6","9","7","10","8","1") = "9"
    & skf18("4","6","9","7","10","9","1") = "9"
    & skf18("4","6","9","7","10","10","1") = "9"
    & skf18("4","6","9","8","1","1","1") = "8"
    & skf18("4","6","9","8","1","2","1") = "8"
    & skf18("4","6","9","8","1","3","1") = "8"
    & skf18("4","6","9","8","1","4","1") = "8"
    & skf18("4","6","9","8","1","5","1") = "8"
    & skf18("4","6","9","8","1","6","1") = "8"
    & skf18("4","6","9","8","1","7","1") = "8"
    & skf18("4","6","9","8","1","8","1") = "8"
    & skf18("4","6","9","8","1","9","1") = "8"
    & skf18("4","6","9","8","1","10","1") = "9"
    & skf18("4","6","9","8","2","1","1") = "8"
    & skf18("4","6","9","8","2","2","1") = "8"
    & skf18("4","6","9","8","2","3","1") = "8"
    & skf18("4","6","9","8","2","4","1") = "8"
    & skf18("4","6","9","8","2","5","1") = "8"
    & skf18("4","6","9","8","2","6","1") = "8"
    & skf18("4","6","9","8","2","7","1") = "8"
    & skf18("4","6","9","8","2","8","1") = "8"
    & skf18("4","6","9","8","2","9","1") = "8"
    & skf18("4","6","9","8","2","10","1") = "9"
    & skf18("4","6","9","8","3","1","1") = "8"
    & skf18("4","6","9","8","3","2","1") = "8"
    & skf18("4","6","9","8","3","3","1") = "8"
    & skf18("4","6","9","8","3","4","1") = "8"
    & skf18("4","6","9","8","3","5","1") = "8"
    & skf18("4","6","9","8","3","6","1") = "8"
    & skf18("4","6","9","8","3","7","1") = "8"
    & skf18("4","6","9","8","3","8","1") = "8"
    & skf18("4","6","9","8","3","9","1") = "8"
    & skf18("4","6","9","8","3","10","1") = "9"
    & skf18("4","6","9","8","4","1","1") = "8"
    & skf18("4","6","9","8","4","2","1") = "8"
    & skf18("4","6","9","8","4","3","1") = "8"
    & skf18("4","6","9","8","4","4","1") = "8"
    & skf18("4","6","9","8","4","5","1") = "8"
    & skf18("4","6","9","8","4","6","1") = "8"
    & skf18("4","6","9","8","4","7","1") = "8"
    & skf18("4","6","9","8","4","8","1") = "8"
    & skf18("4","6","9","8","4","9","1") = "8"
    & skf18("4","6","9","8","4","10","1") = "9"
    & skf18("4","6","9","8","5","1","1") = "8"
    & skf18("4","6","9","8","5","2","1") = "8"
    & skf18("4","6","9","8","5","3","1") = "8"
    & skf18("4","6","9","8","5","4","1") = "8"
    & skf18("4","6","9","8","5","5","1") = "8"
    & skf18("4","6","9","8","5","6","1") = "8"
    & skf18("4","6","9","8","5","7","1") = "8"
    & skf18("4","6","9","8","5","8","1") = "8"
    & skf18("4","6","9","8","5","9","1") = "8"
    & skf18("4","6","9","8","5","10","1") = "9"
    & skf18("4","6","9","8","6","1","1") = "8"
    & skf18("4","6","9","8","6","2","1") = "8"
    & skf18("4","6","9","8","6","3","1") = "8"
    & skf18("4","6","9","8","6","4","1") = "8"
    & skf18("4","6","9","8","6","5","1") = "8"
    & skf18("4","6","9","8","6","6","1") = "8"
    & skf18("4","6","9","8","6","7","1") = "8"
    & skf18("4","6","9","8","6","8","1") = "8"
    & skf18("4","6","9","8","6","9","1") = "8"
    & skf18("4","6","9","8","6","10","1") = "9"
    & skf18("4","6","9","8","7","1","1") = "8"
    & skf18("4","6","9","8","7","2","1") = "8"
    & skf18("4","6","9","8","7","3","1") = "8"
    & skf18("4","6","9","8","7","4","1") = "8"
    & skf18("4","6","9","8","7","5","1") = "8"
    & skf18("4","6","9","8","7","6","1") = "8"
    & skf18("4","6","9","8","7","7","1") = "8"
    & skf18("4","6","9","8","7","8","1") = "8"
    & skf18("4","6","9","8","7","9","1") = "8"
    & skf18("4","6","9","8","7","10","1") = "9"
    & skf18("4","6","9","8","8","1","1") = "8"
    & skf18("4","6","9","8","8","2","1") = "8"
    & skf18("4","6","9","8","8","3","1") = "8"
    & skf18("4","6","9","8","8","4","1") = "8"
    & skf18("4","6","9","8","8","5","1") = "8"
    & skf18("4","6","9","8","8","6","1") = "8"
    & skf18("4","6","9","8","8","7","1") = "8"
    & skf18("4","6","9","8","8","8","1") = "8"
    & skf18("4","6","9","8","8","9","1") = "8"
    & skf18("4","6","9","8","8","10","1") = "9"
    & skf18("4","6","9","8","9","1","1") = "8"
    & skf18("4","6","9","8","9","2","1") = "8"
    & skf18("4","6","9","8","9","3","1") = "8"
    & skf18("4","6","9","8","9","4","1") = "8"
    & skf18("4","6","9","8","9","5","1") = "8"
    & skf18("4","6","9","8","9","6","1") = "8"
    & skf18("4","6","9","8","9","7","1") = "8"
    & skf18("4","6","9","8","9","8","1") = "8"
    & skf18("4","6","9","8","9","9","1") = "8"
    & skf18("4","6","9","8","9","10","1") = "9"
    & skf18("4","6","9","8","10","1","1") = "9"
    & skf18("4","6","9","8","10","2","1") = "9"
    & skf18("4","6","9","8","10","3","1") = "9"
    & skf18("4","6","9","8","10","4","1") = "9"
    & skf18("4","6","9","8","10","5","1") = "9"
    & skf18("4","6","9","8","10","6","1") = "9"
    & skf18("4","6","9","8","10","7","1") = "9"
    & skf18("4","6","9","8","10","8","1") = "9"
    & skf18("4","6","9","8","10","9","1") = "9"
    & skf18("4","6","9","8","10","10","1") = "9"
    & skf18("4","6","9","9","1","1","1") = "8"
    & skf18("4","6","9","9","1","2","1") = "8"
    & skf18("4","6","9","9","1","3","1") = "8"
    & skf18("4","6","9","9","1","4","1") = "8"
    & skf18("4","6","9","9","1","5","1") = "8"
    & skf18("4","6","9","9","1","6","1") = "8"
    & skf18("4","6","9","9","1","7","1") = "8"
    & skf18("4","6","9","9","1","8","1") = "8"
    & skf18("4","6","9","9","1","9","1") = "8"
    & skf18("4","6","9","9","1","10","1") = "9"
    & skf18("4","6","9","9","2","1","1") = "8"
    & skf18("4","6","9","9","2","2","1") = "8"
    & skf18("4","6","9","9","2","3","1") = "8"
    & skf18("4","6","9","9","2","4","1") = "8"
    & skf18("4","6","9","9","2","5","1") = "8"
    & skf18("4","6","9","9","2","6","1") = "8"
    & skf18("4","6","9","9","2","7","1") = "8"
    & skf18("4","6","9","9","2","8","1") = "8"
    & skf18("4","6","9","9","2","9","1") = "8"
    & skf18("4","6","9","9","2","10","1") = "9"
    & skf18("4","6","9","9","3","1","1") = "8"
    & skf18("4","6","9","9","3","2","1") = "8"
    & skf18("4","6","9","9","3","3","1") = "8"
    & skf18("4","6","9","9","3","4","1") = "8"
    & skf18("4","6","9","9","3","5","1") = "8"
    & skf18("4","6","9","9","3","6","1") = "8"
    & skf18("4","6","9","9","3","7","1") = "8"
    & skf18("4","6","9","9","3","8","1") = "8"
    & skf18("4","6","9","9","3","9","1") = "8"
    & skf18("4","6","9","9","3","10","1") = "9"
    & skf18("4","6","9","9","4","1","1") = "8"
    & skf18("4","6","9","9","4","2","1") = "8"
    & skf18("4","6","9","9","4","3","1") = "8"
    & skf18("4","6","9","9","4","4","1") = "8"
    & skf18("4","6","9","9","4","5","1") = "8"
    & skf18("4","6","9","9","4","6","1") = "8"
    & skf18("4","6","9","9","4","7","1") = "8"
    & skf18("4","6","9","9","4","8","1") = "8"
    & skf18("4","6","9","9","4","9","1") = "8"
    & skf18("4","6","9","9","4","10","1") = "9"
    & skf18("4","6","9","9","5","1","1") = "8"
    & skf18("4","6","9","9","5","2","1") = "8"
    & skf18("4","6","9","9","5","3","1") = "8"
    & skf18("4","6","9","9","5","4","1") = "8"
    & skf18("4","6","9","9","5","5","1") = "8"
    & skf18("4","6","9","9","5","6","1") = "8"
    & skf18("4","6","9","9","5","7","1") = "8"
    & skf18("4","6","9","9","5","8","1") = "8"
    & skf18("4","6","9","9","5","9","1") = "8"
    & skf18("4","6","9","9","5","10","1") = "9"
    & skf18("4","6","9","9","6","1","1") = "8"
    & skf18("4","6","9","9","6","2","1") = "8"
    & skf18("4","6","9","9","6","3","1") = "8"
    & skf18("4","6","9","9","6","4","1") = "8"
    & skf18("4","6","9","9","6","5","1") = "8"
    & skf18("4","6","9","9","6","6","1") = "8"
    & skf18("4","6","9","9","6","7","1") = "8"
    & skf18("4","6","9","9","6","8","1") = "8"
    & skf18("4","6","9","9","6","9","1") = "8"
    & skf18("4","6","9","9","6","10","1") = "9"
    & skf18("4","6","9","9","7","1","1") = "8"
    & skf18("4","6","9","9","7","2","1") = "8"
    & skf18("4","6","9","9","7","3","1") = "8"
    & skf18("4","6","9","9","7","4","1") = "8"
    & skf18("4","6","9","9","7","5","1") = "8"
    & skf18("4","6","9","9","7","6","1") = "8"
    & skf18("4","6","9","9","7","7","1") = "8"
    & skf18("4","6","9","9","7","8","1") = "8"
    & skf18("4","6","9","9","7","9","1") = "8"
    & skf18("4","6","9","9","7","10","1") = "9"
    & skf18("4","6","9","9","8","1","1") = "8"
    & skf18("4","6","9","9","8","2","1") = "8"
    & skf18("4","6","9","9","8","3","1") = "8"
    & skf18("4","6","9","9","8","4","1") = "8"
    & skf18("4","6","9","9","8","5","1") = "8"
    & skf18("4","6","9","9","8","6","1") = "8"
    & skf18("4","6","9","9","8","7","1") = "8"
    & skf18("4","6","9","9","8","8","1") = "8"
    & skf18("4","6","9","9","8","9","1") = "8"
    & skf18("4","6","9","9","8","10","1") = "9"
    & skf18("4","6","9","9","9","1","1") = "8"
    & skf18("4","6","9","9","9","2","1") = "8"
    & skf18("4","6","9","9","9","3","1") = "8"
    & skf18("4","6","9","9","9","4","1") = "8"
    & skf18("4","6","9","9","9","5","1") = "8"
    & skf18("4","6","9","9","9","6","1") = "8"
    & skf18("4","6","9","9","9","7","1") = "8"
    & skf18("4","6","9","9","9","8","1") = "8"
    & skf18("4","6","9","9","9","9","1") = "8"
    & skf18("4","6","9","9","9","10","1") = "9"
    & skf18("4","6","9","9","10","1","1") = "9"
    & skf18("4","6","9","9","10","2","1") = "9"
    & skf18("4","6","9","9","10","3","1") = "9"
    & skf18("4","6","9","9","10","4","1") = "9"
    & skf18("4","6","9","9","10","5","1") = "9"
    & skf18("4","6","9","9","10","6","1") = "9"
    & skf18("4","6","9","9","10","7","1") = "9"
    & skf18("4","6","9","9","10","8","1") = "9"
    & skf18("4","6","9","9","10","9","1") = "9"
    & skf18("4","6","9","9","10","10","1") = "9"
    & skf18("4","6","9","10","1","1","1") = "9"
    & skf18("4","6","9","10","1","2","1") = "9"
    & skf18("4","6","9","10","1","3","1") = "9"
    & skf18("4","6","9","10","1","4","1") = "9"
    & skf18("4","6","9","10","1","5","1") = "9"
    & skf18("4","6","9","10","1","6","1") = "9"
    & skf18("4","6","9","10","1","7","1") = "9"
    & skf18("4","6","9","10","1","8","1") = "9"
    & skf18("4","6","9","10","1","9","1") = "9"
    & skf18("4","6","9","10","1","10","1") = "9"
    & skf18("4","6","9","10","2","1","1") = "9"
    & skf18("4","6","9","10","2","2","1") = "9"
    & skf18("4","6","9","10","2","3","1") = "9"
    & skf18("4","6","9","10","2","4","1") = "9"
    & skf18("4","6","9","10","2","5","1") = "9"
    & skf18("4","6","9","10","2","6","1") = "9"
    & skf18("4","6","9","10","2","7","1") = "9"
    & skf18("4","6","9","10","2","8","1") = "9"
    & skf18("4","6","9","10","2","9","1") = "9"
    & skf18("4","6","9","10","2","10","1") = "9"
    & skf18("4","6","9","10","3","1","1") = "9"
    & skf18("4","6","9","10","3","2","1") = "9"
    & skf18("4","6","9","10","3","3","1") = "9"
    & skf18("4","6","9","10","3","4","1") = "9"
    & skf18("4","6","9","10","3","5","1") = "9"
    & skf18("4","6","9","10","3","6","1") = "9"
    & skf18("4","6","9","10","3","7","1") = "9"
    & skf18("4","6","9","10","3","8","1") = "9"
    & skf18("4","6","9","10","3","9","1") = "9"
    & skf18("4","6","9","10","3","10","1") = "9"
    & skf18("4","6","9","10","4","1","1") = "9"
    & skf18("4","6","9","10","4","2","1") = "9"
    & skf18("4","6","9","10","4","3","1") = "9"
    & skf18("4","6","9","10","4","4","1") = "9"
    & skf18("4","6","9","10","4","5","1") = "9"
    & skf18("4","6","9","10","4","6","1") = "9"
    & skf18("4","6","9","10","4","7","1") = "9"
    & skf18("4","6","9","10","4","8","1") = "9"
    & skf18("4","6","9","10","4","9","1") = "9"
    & skf18("4","6","9","10","4","10","1") = "9"
    & skf18("4","6","9","10","5","1","1") = "9"
    & skf18("4","6","9","10","5","2","1") = "9"
    & skf18("4","6","9","10","5","3","1") = "9"
    & skf18("4","6","9","10","5","4","1") = "9"
    & skf18("4","6","9","10","5","5","1") = "9"
    & skf18("4","6","9","10","5","6","1") = "9"
    & skf18("4","6","9","10","5","7","1") = "9"
    & skf18("4","6","9","10","5","8","1") = "9"
    & skf18("4","6","9","10","5","9","1") = "9"
    & skf18("4","6","9","10","5","10","1") = "9"
    & skf18("4","6","9","10","6","1","1") = "9"
    & skf18("4","6","9","10","6","2","1") = "9"
    & skf18("4","6","9","10","6","3","1") = "9"
    & skf18("4","6","9","10","6","4","1") = "9"
    & skf18("4","6","9","10","6","5","1") = "9"
    & skf18("4","6","9","10","6","6","1") = "9"
    & skf18("4","6","9","10","6","7","1") = "9"
    & skf18("4","6","9","10","6","8","1") = "9"
    & skf18("4","6","9","10","6","9","1") = "9"
    & skf18("4","6","9","10","6","10","1") = "9"
    & skf18("4","6","9","10","7","1","1") = "9"
    & skf18("4","6","9","10","7","2","1") = "9"
    & skf18("4","6","9","10","7","3","1") = "9"
    & skf18("4","6","9","10","7","4","1") = "9"
    & skf18("4","6","9","10","7","5","1") = "9"
    & skf18("4","6","9","10","7","6","1") = "9"
    & skf18("4","6","9","10","7","7","1") = "9"
    & skf18("4","6","9","10","7","8","1") = "9"
    & skf18("4","6","9","10","7","9","1") = "9"
    & skf18("4","6","9","10","7","10","1") = "9"
    & skf18("4","6","9","10","8","1","1") = "9"
    & skf18("4","6","9","10","8","2","1") = "9"
    & skf18("4","6","9","10","8","3","1") = "9"
    & skf18("4","6","9","10","8","4","1") = "9"
    & skf18("4","6","9","10","8","5","1") = "9"
    & skf18("4","6","9","10","8","6","1") = "9"
    & skf18("4","6","9","10","8","7","1") = "9"
    & skf18("4","6","9","10","8","8","1") = "9"
    & skf18("4","6","9","10","8","9","1") = "9"
    & skf18("4","6","9","10","8","10","1") = "9"
    & skf18("4","6","9","10","9","1","1") = "9"
    & skf18("4","6","9","10","9","2","1") = "9"
    & skf18("4","6","9","10","9","3","1") = "9"
    & skf18("4","6","9","10","9","4","1") = "9"
    & skf18("4","6","9","10","9","5","1") = "9"
    & skf18("4","6","9","10","9","6","1") = "9"
    & skf18("4","6","9","10","9","7","1") = "9"
    & skf18("4","6","9","10","9","8","1") = "9"
    & skf18("4","6","9","10","9","9","1") = "9"
    & skf18("4","6","9","10","9","10","1") = "9"
    & skf18("4","6","9","10","10","1","1") = "9"
    & skf18("4","6","9","10","10","2","1") = "9"
    & skf18("4","6","9","10","10","3","1") = "9"
    & skf18("4","6","9","10","10","4","1") = "9"
    & skf18("4","6","9","10","10","5","1") = "9"
    & skf18("4","6","9","10","10","6","1") = "9"
    & skf18("4","6","9","10","10","7","1") = "9"
    & skf18("4","6","9","10","10","8","1") = "9"
    & skf18("4","6","9","10","10","9","1") = "9"
    & skf18("4","6","9","10","10","10","1") = "9"
    & skf18("4","6","10","1","1","1","1") = "9"
    & skf18("4","6","10","1","1","2","1") = "9"
    & skf18("4","6","10","1","1","3","1") = "9"
    & skf18("4","6","10","1","1","4","1") = "9"
    & skf18("4","6","10","1","1","5","1") = "9"
    & skf18("4","6","10","1","1","6","1") = "9"
    & skf18("4","6","10","1","1","7","1") = "9"
    & skf18("4","6","10","1","1","8","1") = "9"
    & skf18("4","6","10","1","1","9","1") = "9"
    & skf18("4","6","10","1","1","10","1") = "9"
    & skf18("4","6","10","1","2","1","1") = "9"
    & skf18("4","6","10","1","2","2","1") = "9"
    & skf18("4","6","10","1","2","3","1") = "9"
    & skf18("4","6","10","1","2","4","1") = "9"
    & skf18("4","6","10","1","2","5","1") = "9"
    & skf18("4","6","10","1","2","6","1") = "9"
    & skf18("4","6","10","1","2","7","1") = "9"
    & skf18("4","6","10","1","2","8","1") = "9"
    & skf18("4","6","10","1","2","9","1") = "9"
    & skf18("4","6","10","1","2","10","1") = "9"
    & skf18("4","6","10","1","3","1","1") = "9"
    & skf18("4","6","10","1","3","2","1") = "9"
    & skf18("4","6","10","1","3","3","1") = "9"
    & skf18("4","6","10","1","3","4","1") = "9"
    & skf18("4","6","10","1","3","5","1") = "9"
    & skf18("4","6","10","1","3","6","1") = "9"
    & skf18("4","6","10","1","3","7","1") = "9"
    & skf18("4","6","10","1","3","8","1") = "9"
    & skf18("4","6","10","1","3","9","1") = "9"
    & skf18("4","6","10","1","3","10","1") = "9"
    & skf18("4","6","10","1","4","1","1") = "9"
    & skf18("4","6","10","1","4","2","1") = "9"
    & skf18("4","6","10","1","4","3","1") = "9"
    & skf18("4","6","10","1","4","4","1") = "9"
    & skf18("4","6","10","1","4","5","1") = "9"
    & skf18("4","6","10","1","4","6","1") = "9"
    & skf18("4","6","10","1","4","7","1") = "9"
    & skf18("4","6","10","1","4","8","1") = "9"
    & skf18("4","6","10","1","4","9","1") = "9"
    & skf18("4","6","10","1","4","10","1") = "9"
    & skf18("4","6","10","1","5","1","1") = "9"
    & skf18("4","6","10","1","5","2","1") = "9"
    & skf18("4","6","10","1","5","3","1") = "9"
    & skf18("4","6","10","1","5","4","1") = "9"
    & skf18("4","6","10","1","5","5","1") = "9"
    & skf18("4","6","10","1","5","6","1") = "9"
    & skf18("4","6","10","1","5","7","1") = "9"
    & skf18("4","6","10","1","5","8","1") = "9"
    & skf18("4","6","10","1","5","9","1") = "9"
    & skf18("4","6","10","1","5","10","1") = "9"
    & skf18("4","6","10","1","6","1","1") = "9"
    & skf18("4","6","10","1","6","2","1") = "9"
    & skf18("4","6","10","1","6","3","1") = "9"
    & skf18("4","6","10","1","6","4","1") = "9"
    & skf18("4","6","10","1","6","5","1") = "9"
    & skf18("4","6","10","1","6","6","1") = "9"
    & skf18("4","6","10","1","6","7","1") = "9"
    & skf18("4","6","10","1","6","8","1") = "9"
    & skf18("4","6","10","1","6","9","1") = "9"
    & skf18("4","6","10","1","6","10","1") = "9"
    & skf18("4","6","10","1","7","1","1") = "9"
    & skf18("4","6","10","1","7","2","1") = "9"
    & skf18("4","6","10","1","7","3","1") = "9"
    & skf18("4","6","10","1","7","4","1") = "9"
    & skf18("4","6","10","1","7","5","1") = "9"
    & skf18("4","6","10","1","7","6","1") = "9"
    & skf18("4","6","10","1","7","7","1") = "9"
    & skf18("4","6","10","1","7","8","1") = "9"
    & skf18("4","6","10","1","7","9","1") = "9"
    & skf18("4","6","10","1","7","10","1") = "9"
    & skf18("4","6","10","1","8","1","1") = "9"
    & skf18("4","6","10","1","8","2","1") = "9"
    & skf18("4","6","10","1","8","3","1") = "9"
    & skf18("4","6","10","1","8","4","1") = "9"
    & skf18("4","6","10","1","8","5","1") = "9"
    & skf18("4","6","10","1","8","6","1") = "9"
    & skf18("4","6","10","1","8","7","1") = "9"
    & skf18("4","6","10","1","8","8","1") = "9"
    & skf18("4","6","10","1","8","9","1") = "9"
    & skf18("4","6","10","1","8","10","1") = "9"
    & skf18("4","6","10","1","9","1","1") = "9"
    & skf18("4","6","10","1","9","2","1") = "9"
    & skf18("4","6","10","1","9","3","1") = "9"
    & skf18("4","6","10","1","9","4","1") = "9"
    & skf18("4","6","10","1","9","5","1") = "9"
    & skf18("4","6","10","1","9","6","1") = "9"
    & skf18("4","6","10","1","9","7","1") = "9"
    & skf18("4","6","10","1","9","8","1") = "9"
    & skf18("4","6","10","1","9","9","1") = "9"
    & skf18("4","6","10","1","9","10","1") = "9"
    & skf18("4","6","10","1","10","1","1") = "9"
    & skf18("4","6","10","1","10","2","1") = "9"
    & skf18("4","6","10","1","10","3","1") = "9"
    & skf18("4","6","10","1","10","4","1") = "9"
    & skf18("4","6","10","1","10","5","1") = "9"
    & skf18("4","6","10","1","10","6","1") = "9"
    & skf18("4","6","10","1","10","7","1") = "9"
    & skf18("4","6","10","1","10","8","1") = "9"
    & skf18("4","6","10","1","10","9","1") = "9"
    & skf18("4","6","10","1","10","10","1") = "9"
    & skf18("4","6","10","2","1","1","1") = "9"
    & skf18("4","6","10","2","1","2","1") = "9"
    & skf18("4","6","10","2","1","3","1") = "9"
    & skf18("4","6","10","2","1","4","1") = "9"
    & skf18("4","6","10","2","1","5","1") = "9"
    & skf18("4","6","10","2","1","6","1") = "9"
    & skf18("4","6","10","2","1","7","1") = "9"
    & skf18("4","6","10","2","1","8","1") = "9"
    & skf18("4","6","10","2","1","9","1") = "9"
    & skf18("4","6","10","2","1","10","1") = "9"
    & skf18("4","6","10","2","2","1","1") = "9"
    & skf18("4","6","10","2","2","2","1") = "9"
    & skf18("4","6","10","2","2","3","1") = "9"
    & skf18("4","6","10","2","2","4","1") = "9"
    & skf18("4","6","10","2","2","5","1") = "9"
    & skf18("4","6","10","2","2","6","1") = "9"
    & skf18("4","6","10","2","2","7","1") = "9"
    & skf18("4","6","10","2","2","8","1") = "9"
    & skf18("4","6","10","2","2","9","1") = "9"
    & skf18("4","6","10","2","2","10","1") = "9"
    & skf18("4","6","10","2","3","1","1") = "9"
    & skf18("4","6","10","2","3","2","1") = "9"
    & skf18("4","6","10","2","3","3","1") = "9"
    & skf18("4","6","10","2","3","4","1") = "9"
    & skf18("4","6","10","2","3","5","1") = "9"
    & skf18("4","6","10","2","3","6","1") = "9"
    & skf18("4","6","10","2","3","7","1") = "9"
    & skf18("4","6","10","2","3","8","1") = "9"
    & skf18("4","6","10","2","3","9","1") = "9"
    & skf18("4","6","10","2","3","10","1") = "9"
    & skf18("4","6","10","2","4","1","1") = "9"
    & skf18("4","6","10","2","4","2","1") = "9"
    & skf18("4","6","10","2","4","3","1") = "9"
    & skf18("4","6","10","2","4","4","1") = "9"
    & skf18("4","6","10","2","4","5","1") = "9"
    & skf18("4","6","10","2","4","6","1") = "9"
    & skf18("4","6","10","2","4","7","1") = "9"
    & skf18("4","6","10","2","4","8","1") = "9"
    & skf18("4","6","10","2","4","9","1") = "9"
    & skf18("4","6","10","2","4","10","1") = "9"
    & skf18("4","6","10","2","5","1","1") = "9"
    & skf18("4","6","10","2","5","2","1") = "9"
    & skf18("4","6","10","2","5","3","1") = "9"
    & skf18("4","6","10","2","5","4","1") = "9"
    & skf18("4","6","10","2","5","5","1") = "9"
    & skf18("4","6","10","2","5","6","1") = "9"
    & skf18("4","6","10","2","5","7","1") = "9"
    & skf18("4","6","10","2","5","8","1") = "9"
    & skf18("4","6","10","2","5","9","1") = "9"
    & skf18("4","6","10","2","5","10","1") = "9"
    & skf18("4","6","10","2","6","1","1") = "9"
    & skf18("4","6","10","2","6","2","1") = "9"
    & skf18("4","6","10","2","6","3","1") = "9"
    & skf18("4","6","10","2","6","4","1") = "9"
    & skf18("4","6","10","2","6","5","1") = "9"
    & skf18("4","6","10","2","6","6","1") = "9"
    & skf18("4","6","10","2","6","7","1") = "9"
    & skf18("4","6","10","2","6","8","1") = "9"
    & skf18("4","6","10","2","6","9","1") = "9"
    & skf18("4","6","10","2","6","10","1") = "9"
    & skf18("4","6","10","2","7","1","1") = "9"
    & skf18("4","6","10","2","7","2","1") = "9"
    & skf18("4","6","10","2","7","3","1") = "9"
    & skf18("4","6","10","2","7","4","1") = "9"
    & skf18("4","6","10","2","7","5","1") = "9"
    & skf18("4","6","10","2","7","6","1") = "9"
    & skf18("4","6","10","2","7","7","1") = "9"
    & skf18("4","6","10","2","7","8","1") = "9"
    & skf18("4","6","10","2","7","9","1") = "9"
    & skf18("4","6","10","2","7","10","1") = "9"
    & skf18("4","6","10","2","8","1","1") = "9"
    & skf18("4","6","10","2","8","2","1") = "9"
    & skf18("4","6","10","2","8","3","1") = "9"
    & skf18("4","6","10","2","8","4","1") = "9"
    & skf18("4","6","10","2","8","5","1") = "9"
    & skf18("4","6","10","2","8","6","1") = "9"
    & skf18("4","6","10","2","8","7","1") = "9"
    & skf18("4","6","10","2","8","8","1") = "9"
    & skf18("4","6","10","2","8","9","1") = "9"
    & skf18("4","6","10","2","8","10","1") = "9"
    & skf18("4","6","10","2","9","1","1") = "9"
    & skf18("4","6","10","2","9","2","1") = "9"
    & skf18("4","6","10","2","9","3","1") = "9"
    & skf18("4","6","10","2","9","4","1") = "9"
    & skf18("4","6","10","2","9","5","1") = "9"
    & skf18("4","6","10","2","9","6","1") = "9"
    & skf18("4","6","10","2","9","7","1") = "9"
    & skf18("4","6","10","2","9","8","1") = "9"
    & skf18("4","6","10","2","9","9","1") = "9"
    & skf18("4","6","10","2","9","10","1") = "9"
    & skf18("4","6","10","2","10","1","1") = "9"
    & skf18("4","6","10","2","10","2","1") = "9"
    & skf18("4","6","10","2","10","3","1") = "9"
    & skf18("4","6","10","2","10","4","1") = "9"
    & skf18("4","6","10","2","10","5","1") = "9"
    & skf18("4","6","10","2","10","6","1") = "9"
    & skf18("4","6","10","2","10","7","1") = "9"
    & skf18("4","6","10","2","10","8","1") = "9"
    & skf18("4","6","10","2","10","9","1") = "9"
    & skf18("4","6","10","2","10","10","1") = "9"
    & skf18("4","6","10","3","1","1","1") = "9"
    & skf18("4","6","10","3","1","2","1") = "9"
    & skf18("4","6","10","3","1","3","1") = "9"
    & skf18("4","6","10","3","1","4","1") = "9"
    & skf18("4","6","10","3","1","5","1") = "9"
    & skf18("4","6","10","3","1","6","1") = "9"
    & skf18("4","6","10","3","1","7","1") = "9"
    & skf18("4","6","10","3","1","8","1") = "9"
    & skf18("4","6","10","3","1","9","1") = "9"
    & skf18("4","6","10","3","1","10","1") = "9"
    & skf18("4","6","10","3","2","1","1") = "9"
    & skf18("4","6","10","3","2","2","1") = "9"
    & skf18("4","6","10","3","2","3","1") = "9"
    & skf18("4","6","10","3","2","4","1") = "9"
    & skf18("4","6","10","3","2","5","1") = "9"
    & skf18("4","6","10","3","2","6","1") = "9"
    & skf18("4","6","10","3","2","7","1") = "9"
    & skf18("4","6","10","3","2","8","1") = "9"
    & skf18("4","6","10","3","2","9","1") = "9"
    & skf18("4","6","10","3","2","10","1") = "9"
    & skf18("4","6","10","3","3","1","1") = "9"
    & skf18("4","6","10","3","3","2","1") = "9"
    & skf18("4","6","10","3","3","3","1") = "9"
    & skf18("4","6","10","3","3","4","1") = "9"
    & skf18("4","6","10","3","3","5","1") = "9"
    & skf18("4","6","10","3","3","6","1") = "9"
    & skf18("4","6","10","3","3","7","1") = "9"
    & skf18("4","6","10","3","3","8","1") = "9"
    & skf18("4","6","10","3","3","9","1") = "9"
    & skf18("4","6","10","3","3","10","1") = "9"
    & skf18("4","6","10","3","4","1","1") = "9"
    & skf18("4","6","10","3","4","2","1") = "9"
    & skf18("4","6","10","3","4","3","1") = "9"
    & skf18("4","6","10","3","4","4","1") = "9"
    & skf18("4","6","10","3","4","5","1") = "9"
    & skf18("4","6","10","3","4","6","1") = "9"
    & skf18("4","6","10","3","4","7","1") = "9"
    & skf18("4","6","10","3","4","8","1") = "9"
    & skf18("4","6","10","3","4","9","1") = "9"
    & skf18("4","6","10","3","4","10","1") = "9"
    & skf18("4","6","10","3","5","1","1") = "9"
    & skf18("4","6","10","3","5","2","1") = "9"
    & skf18("4","6","10","3","5","3","1") = "9"
    & skf18("4","6","10","3","5","4","1") = "9"
    & skf18("4","6","10","3","5","5","1") = "9"
    & skf18("4","6","10","3","5","6","1") = "9"
    & skf18("4","6","10","3","5","7","1") = "9"
    & skf18("4","6","10","3","5","8","1") = "9"
    & skf18("4","6","10","3","5","9","1") = "9"
    & skf18("4","6","10","3","5","10","1") = "9"
    & skf18("4","6","10","3","6","1","1") = "9"
    & skf18("4","6","10","3","6","2","1") = "9"
    & skf18("4","6","10","3","6","3","1") = "9"
    & skf18("4","6","10","3","6","4","1") = "9"
    & skf18("4","6","10","3","6","5","1") = "9"
    & skf18("4","6","10","3","6","6","1") = "9"
    & skf18("4","6","10","3","6","7","1") = "9"
    & skf18("4","6","10","3","6","8","1") = "9"
    & skf18("4","6","10","3","6","9","1") = "9"
    & skf18("4","6","10","3","6","10","1") = "9"
    & skf18("4","6","10","3","7","1","1") = "9"
    & skf18("4","6","10","3","7","2","1") = "9"
    & skf18("4","6","10","3","7","3","1") = "9"
    & skf18("4","6","10","3","7","4","1") = "9"
    & skf18("4","6","10","3","7","5","1") = "9"
    & skf18("4","6","10","3","7","6","1") = "9"
    & skf18("4","6","10","3","7","7","1") = "9"
    & skf18("4","6","10","3","7","8","1") = "9"
    & skf18("4","6","10","3","7","9","1") = "9"
    & skf18("4","6","10","3","7","10","1") = "9"
    & skf18("4","6","10","3","8","1","1") = "9"
    & skf18("4","6","10","3","8","2","1") = "9"
    & skf18("4","6","10","3","8","3","1") = "9"
    & skf18("4","6","10","3","8","4","1") = "9"
    & skf18("4","6","10","3","8","5","1") = "9"
    & skf18("4","6","10","3","8","6","1") = "9"
    & skf18("4","6","10","3","8","7","1") = "9"
    & skf18("4","6","10","3","8","8","1") = "9"
    & skf18("4","6","10","3","8","9","1") = "9"
    & skf18("4","6","10","3","8","10","1") = "9"
    & skf18("4","6","10","3","9","1","1") = "9"
    & skf18("4","6","10","3","9","2","1") = "9"
    & skf18("4","6","10","3","9","3","1") = "9"
    & skf18("4","6","10","3","9","4","1") = "9"
    & skf18("4","6","10","3","9","5","1") = "9"
    & skf18("4","6","10","3","9","6","1") = "9"
    & skf18("4","6","10","3","9","7","1") = "9"
    & skf18("4","6","10","3","9","8","1") = "9"
    & skf18("4","6","10","3","9","9","1") = "9"
    & skf18("4","6","10","3","9","10","1") = "9"
    & skf18("4","6","10","3","10","1","1") = "9"
    & skf18("4","6","10","3","10","2","1") = "9"
    & skf18("4","6","10","3","10","3","1") = "9"
    & skf18("4","6","10","3","10","4","1") = "9"
    & skf18("4","6","10","3","10","5","1") = "9"
    & skf18("4","6","10","3","10","6","1") = "9"
    & skf18("4","6","10","3","10","7","1") = "9"
    & skf18("4","6","10","3","10","8","1") = "9"
    & skf18("4","6","10","3","10","9","1") = "9"
    & skf18("4","6","10","3","10","10","1") = "9"
    & skf18("4","6","10","4","1","1","1") = "9"
    & skf18("4","6","10","4","1","2","1") = "9"
    & skf18("4","6","10","4","1","3","1") = "9"
    & skf18("4","6","10","4","1","4","1") = "9"
    & skf18("4","6","10","4","1","5","1") = "9"
    & skf18("4","6","10","4","1","6","1") = "9"
    & skf18("4","6","10","4","1","7","1") = "9"
    & skf18("4","6","10","4","1","8","1") = "9"
    & skf18("4","6","10","4","1","9","1") = "9"
    & skf18("4","6","10","4","1","10","1") = "9"
    & skf18("4","6","10","4","2","1","1") = "9"
    & skf18("4","6","10","4","2","2","1") = "9"
    & skf18("4","6","10","4","2","3","1") = "9"
    & skf18("4","6","10","4","2","4","1") = "9"
    & skf18("4","6","10","4","2","5","1") = "9"
    & skf18("4","6","10","4","2","6","1") = "9"
    & skf18("4","6","10","4","2","7","1") = "9"
    & skf18("4","6","10","4","2","8","1") = "9"
    & skf18("4","6","10","4","2","9","1") = "9"
    & skf18("4","6","10","4","2","10","1") = "9"
    & skf18("4","6","10","4","3","1","1") = "9"
    & skf18("4","6","10","4","3","2","1") = "9"
    & skf18("4","6","10","4","3","3","1") = "9"
    & skf18("4","6","10","4","3","4","1") = "9"
    & skf18("4","6","10","4","3","5","1") = "9"
    & skf18("4","6","10","4","3","6","1") = "9"
    & skf18("4","6","10","4","3","7","1") = "9"
    & skf18("4","6","10","4","3","8","1") = "9"
    & skf18("4","6","10","4","3","9","1") = "9"
    & skf18("4","6","10","4","3","10","1") = "9"
    & skf18("4","6","10","4","4","1","1") = "9"
    & skf18("4","6","10","4","4","2","1") = "9"
    & skf18("4","6","10","4","4","3","1") = "9"
    & skf18("4","6","10","4","4","4","1") = "9"
    & skf18("4","6","10","4","4","5","1") = "9"
    & skf18("4","6","10","4","4","6","1") = "9"
    & skf18("4","6","10","4","4","7","1") = "9"
    & skf18("4","6","10","4","4","8","1") = "9"
    & skf18("4","6","10","4","4","9","1") = "9"
    & skf18("4","6","10","4","4","10","1") = "9"
    & skf18("4","6","10","4","5","1","1") = "9"
    & skf18("4","6","10","4","5","2","1") = "9"
    & skf18("4","6","10","4","5","3","1") = "9"
    & skf18("4","6","10","4","5","4","1") = "9"
    & skf18("4","6","10","4","5","5","1") = "9"
    & skf18("4","6","10","4","5","6","1") = "9"
    & skf18("4","6","10","4","5","7","1") = "9"
    & skf18("4","6","10","4","5","8","1") = "9"
    & skf18("4","6","10","4","5","9","1") = "9"
    & skf18("4","6","10","4","5","10","1") = "9"
    & skf18("4","6","10","4","6","1","1") = "9"
    & skf18("4","6","10","4","6","2","1") = "9"
    & skf18("4","6","10","4","6","3","1") = "9"
    & skf18("4","6","10","4","6","4","1") = "9"
    & skf18("4","6","10","4","6","5","1") = "9"
    & skf18("4","6","10","4","6","6","1") = "9"
    & skf18("4","6","10","4","6","7","1") = "9"
    & skf18("4","6","10","4","6","8","1") = "9"
    & skf18("4","6","10","4","6","9","1") = "9"
    & skf18("4","6","10","4","6","10","1") = "9"
    & skf18("4","6","10","4","7","1","1") = "9"
    & skf18("4","6","10","4","7","2","1") = "9"
    & skf18("4","6","10","4","7","3","1") = "9"
    & skf18("4","6","10","4","7","4","1") = "9"
    & skf18("4","6","10","4","7","5","1") = "9"
    & skf18("4","6","10","4","7","6","1") = "9"
    & skf18("4","6","10","4","7","7","1") = "9"
    & skf18("4","6","10","4","7","8","1") = "9"
    & skf18("4","6","10","4","7","9","1") = "9"
    & skf18("4","6","10","4","7","10","1") = "9"
    & skf18("4","6","10","4","8","1","1") = "9"
    & skf18("4","6","10","4","8","2","1") = "9"
    & skf18("4","6","10","4","8","3","1") = "9"
    & skf18("4","6","10","4","8","4","1") = "9"
    & skf18("4","6","10","4","8","5","1") = "9"
    & skf18("4","6","10","4","8","6","1") = "9"
    & skf18("4","6","10","4","8","7","1") = "9"
    & skf18("4","6","10","4","8","8","1") = "9"
    & skf18("4","6","10","4","8","9","1") = "9"
    & skf18("4","6","10","4","8","10","1") = "9"
    & skf18("4","6","10","4","9","1","1") = "9"
    & skf18("4","6","10","4","9","2","1") = "9"
    & skf18("4","6","10","4","9","3","1") = "9"
    & skf18("4","6","10","4","9","4","1") = "9"
    & skf18("4","6","10","4","9","5","1") = "9"
    & skf18("4","6","10","4","9","6","1") = "9"
    & skf18("4","6","10","4","9","7","1") = "9"
    & skf18("4","6","10","4","9","8","1") = "9"
    & skf18("4","6","10","4","9","9","1") = "9"
    & skf18("4","6","10","4","9","10","1") = "9"
    & skf18("4","6","10","4","10","1","1") = "9"
    & skf18("4","6","10","4","10","2","1") = "9"
    & skf18("4","6","10","4","10","3","1") = "9"
    & skf18("4","6","10","4","10","4","1") = "9"
    & skf18("4","6","10","4","10","5","1") = "9"
    & skf18("4","6","10","4","10","6","1") = "9"
    & skf18("4","6","10","4","10","7","1") = "9"
    & skf18("4","6","10","4","10","8","1") = "9"
    & skf18("4","6","10","4","10","9","1") = "9"
    & skf18("4","6","10","4","10","10","1") = "9"
    & skf18("4","6","10","5","1","1","1") = "9"
    & skf18("4","6","10","5","1","2","1") = "9"
    & skf18("4","6","10","5","1","3","1") = "9"
    & skf18("4","6","10","5","1","4","1") = "9"
    & skf18("4","6","10","5","1","5","1") = "9"
    & skf18("4","6","10","5","1","6","1") = "9"
    & skf18("4","6","10","5","1","7","1") = "9"
    & skf18("4","6","10","5","1","8","1") = "9"
    & skf18("4","6","10","5","1","9","1") = "9"
    & skf18("4","6","10","5","1","10","1") = "9"
    & skf18("4","6","10","5","2","1","1") = "9"
    & skf18("4","6","10","5","2","2","1") = "9"
    & skf18("4","6","10","5","2","3","1") = "9"
    & skf18("4","6","10","5","2","4","1") = "9"
    & skf18("4","6","10","5","2","5","1") = "9"
    & skf18("4","6","10","5","2","6","1") = "9"
    & skf18("4","6","10","5","2","7","1") = "9"
    & skf18("4","6","10","5","2","8","1") = "9"
    & skf18("4","6","10","5","2","9","1") = "9"
    & skf18("4","6","10","5","2","10","1") = "9"
    & skf18("4","6","10","5","3","1","1") = "9"
    & skf18("4","6","10","5","3","2","1") = "9"
    & skf18("4","6","10","5","3","3","1") = "9"
    & skf18("4","6","10","5","3","4","1") = "9"
    & skf18("4","6","10","5","3","5","1") = "9"
    & skf18("4","6","10","5","3","6","1") = "9"
    & skf18("4","6","10","5","3","7","1") = "9"
    & skf18("4","6","10","5","3","8","1") = "9"
    & skf18("4","6","10","5","3","9","1") = "9"
    & skf18("4","6","10","5","3","10","1") = "9"
    & skf18("4","6","10","5","4","1","1") = "9"
    & skf18("4","6","10","5","4","2","1") = "9"
    & skf18("4","6","10","5","4","3","1") = "9"
    & skf18("4","6","10","5","4","4","1") = "9"
    & skf18("4","6","10","5","4","5","1") = "9"
    & skf18("4","6","10","5","4","6","1") = "9"
    & skf18("4","6","10","5","4","7","1") = "9"
    & skf18("4","6","10","5","4","8","1") = "9"
    & skf18("4","6","10","5","4","9","1") = "9"
    & skf18("4","6","10","5","4","10","1") = "9"
    & skf18("4","6","10","5","5","1","1") = "9"
    & skf18("4","6","10","5","5","2","1") = "9"
    & skf18("4","6","10","5","5","3","1") = "9"
    & skf18("4","6","10","5","5","4","1") = "9"
    & skf18("4","6","10","5","5","5","1") = "9"
    & skf18("4","6","10","5","5","6","1") = "9"
    & skf18("4","6","10","5","5","7","1") = "9"
    & skf18("4","6","10","5","5","8","1") = "9"
    & skf18("4","6","10","5","5","9","1") = "9"
    & skf18("4","6","10","5","5","10","1") = "9"
    & skf18("4","6","10","5","6","1","1") = "9"
    & skf18("4","6","10","5","6","2","1") = "9"
    & skf18("4","6","10","5","6","3","1") = "9"
    & skf18("4","6","10","5","6","4","1") = "9"
    & skf18("4","6","10","5","6","5","1") = "9"
    & skf18("4","6","10","5","6","6","1") = "9"
    & skf18("4","6","10","5","6","7","1") = "9"
    & skf18("4","6","10","5","6","8","1") = "9"
    & skf18("4","6","10","5","6","9","1") = "9"
    & skf18("4","6","10","5","6","10","1") = "9"
    & skf18("4","6","10","5","7","1","1") = "9"
    & skf18("4","6","10","5","7","2","1") = "9"
    & skf18("4","6","10","5","7","3","1") = "9"
    & skf18("4","6","10","5","7","4","1") = "9"
    & skf18("4","6","10","5","7","5","1") = "9"
    & skf18("4","6","10","5","7","6","1") = "9"
    & skf18("4","6","10","5","7","7","1") = "9"
    & skf18("4","6","10","5","7","8","1") = "9"
    & skf18("4","6","10","5","7","9","1") = "9"
    & skf18("4","6","10","5","7","10","1") = "9"
    & skf18("4","6","10","5","8","1","1") = "9"
    & skf18("4","6","10","5","8","2","1") = "9"
    & skf18("4","6","10","5","8","3","1") = "9"
    & skf18("4","6","10","5","8","4","1") = "9"
    & skf18("4","6","10","5","8","5","1") = "9"
    & skf18("4","6","10","5","8","6","1") = "9"
    & skf18("4","6","10","5","8","7","1") = "9"
    & skf18("4","6","10","5","8","8","1") = "9"
    & skf18("4","6","10","5","8","9","1") = "9"
    & skf18("4","6","10","5","8","10","1") = "9"
    & skf18("4","6","10","5","9","1","1") = "9"
    & skf18("4","6","10","5","9","2","1") = "9"
    & skf18("4","6","10","5","9","3","1") = "9"
    & skf18("4","6","10","5","9","4","1") = "9"
    & skf18("4","6","10","5","9","5","1") = "9"
    & skf18("4","6","10","5","9","6","1") = "9"
    & skf18("4","6","10","5","9","7","1") = "9"
    & skf18("4","6","10","5","9","8","1") = "9"
    & skf18("4","6","10","5","9","9","1") = "9"
    & skf18("4","6","10","5","9","10","1") = "9"
    & skf18("4","6","10","5","10","1","1") = "9"
    & skf18("4","6","10","5","10","2","1") = "9"
    & skf18("4","6","10","5","10","3","1") = "9"
    & skf18("4","6","10","5","10","4","1") = "9"
    & skf18("4","6","10","5","10","5","1") = "9"
    & skf18("4","6","10","5","10","6","1") = "9"
    & skf18("4","6","10","5","10","7","1") = "9"
    & skf18("4","6","10","5","10","8","1") = "9"
    & skf18("4","6","10","5","10","9","1") = "9"
    & skf18("4","6","10","5","10","10","1") = "9"
    & skf18("4","6","10","6","1","1","1") = "9"
    & skf18("4","6","10","6","1","2","1") = "9"
    & skf18("4","6","10","6","1","3","1") = "9"
    & skf18("4","6","10","6","1","4","1") = "9"
    & skf18("4","6","10","6","1","5","1") = "9"
    & skf18("4","6","10","6","1","6","1") = "9"
    & skf18("4","6","10","6","1","7","1") = "9"
    & skf18("4","6","10","6","1","8","1") = "9"
    & skf18("4","6","10","6","1","9","1") = "9"
    & skf18("4","6","10","6","1","10","1") = "9"
    & skf18("4","6","10","6","2","1","1") = "9"
    & skf18("4","6","10","6","2","2","1") = "9"
    & skf18("4","6","10","6","2","3","1") = "9"
    & skf18("4","6","10","6","2","4","1") = "9"
    & skf18("4","6","10","6","2","5","1") = "9"
    & skf18("4","6","10","6","2","6","1") = "9"
    & skf18("4","6","10","6","2","7","1") = "9"
    & skf18("4","6","10","6","2","8","1") = "9"
    & skf18("4","6","10","6","2","9","1") = "9"
    & skf18("4","6","10","6","2","10","1") = "9"
    & skf18("4","6","10","6","3","1","1") = "9"
    & skf18("4","6","10","6","3","2","1") = "9"
    & skf18("4","6","10","6","3","3","1") = "9"
    & skf18("4","6","10","6","3","4","1") = "9"
    & skf18("4","6","10","6","3","5","1") = "9"
    & skf18("4","6","10","6","3","6","1") = "9"
    & skf18("4","6","10","6","3","7","1") = "9"
    & skf18("4","6","10","6","3","8","1") = "9"
    & skf18("4","6","10","6","3","9","1") = "9"
    & skf18("4","6","10","6","3","10","1") = "9"
    & skf18("4","6","10","6","4","1","1") = "9"
    & skf18("4","6","10","6","4","2","1") = "9"
    & skf18("4","6","10","6","4","3","1") = "9"
    & skf18("4","6","10","6","4","4","1") = "9"
    & skf18("4","6","10","6","4","5","1") = "9"
    & skf18("4","6","10","6","4","6","1") = "9"
    & skf18("4","6","10","6","4","7","1") = "9"
    & skf18("4","6","10","6","4","8","1") = "9"
    & skf18("4","6","10","6","4","9","1") = "9"
    & skf18("4","6","10","6","4","10","1") = "9"
    & skf18("4","6","10","6","5","1","1") = "9"
    & skf18("4","6","10","6","5","2","1") = "9"
    & skf18("4","6","10","6","5","3","1") = "9"
    & skf18("4","6","10","6","5","4","1") = "9"
    & skf18("4","6","10","6","5","5","1") = "9"
    & skf18("4","6","10","6","5","6","1") = "9"
    & skf18("4","6","10","6","5","7","1") = "9"
    & skf18("4","6","10","6","5","8","1") = "9"
    & skf18("4","6","10","6","5","9","1") = "9"
    & skf18("4","6","10","6","5","10","1") = "9"
    & skf18("4","6","10","6","6","1","1") = "9"
    & skf18("4","6","10","6","6","2","1") = "9"
    & skf18("4","6","10","6","6","3","1") = "9"
    & skf18("4","6","10","6","6","4","1") = "9"
    & skf18("4","6","10","6","6","5","1") = "9"
    & skf18("4","6","10","6","6","6","1") = "9"
    & skf18("4","6","10","6","6","7","1") = "9"
    & skf18("4","6","10","6","6","8","1") = "9"
    & skf18("4","6","10","6","6","9","1") = "9"
    & skf18("4","6","10","6","6","10","1") = "9"
    & skf18("4","6","10","6","7","1","1") = "9"
    & skf18("4","6","10","6","7","2","1") = "9"
    & skf18("4","6","10","6","7","3","1") = "9"
    & skf18("4","6","10","6","7","4","1") = "9"
    & skf18("4","6","10","6","7","5","1") = "9"
    & skf18("4","6","10","6","7","6","1") = "9"
    & skf18("4","6","10","6","7","7","1") = "9"
    & skf18("4","6","10","6","7","8","1") = "9"
    & skf18("4","6","10","6","7","9","1") = "9"
    & skf18("4","6","10","6","7","10","1") = "9"
    & skf18("4","6","10","6","8","1","1") = "9"
    & skf18("4","6","10","6","8","2","1") = "9"
    & skf18("4","6","10","6","8","3","1") = "9"
    & skf18("4","6","10","6","8","4","1") = "9"
    & skf18("4","6","10","6","8","5","1") = "9"
    & skf18("4","6","10","6","8","6","1") = "9"
    & skf18("4","6","10","6","8","7","1") = "9"
    & skf18("4","6","10","6","8","8","1") = "9"
    & skf18("4","6","10","6","8","9","1") = "9"
    & skf18("4","6","10","6","8","10","1") = "9"
    & skf18("4","6","10","6","9","1","1") = "9"
    & skf18("4","6","10","6","9","2","1") = "9"
    & skf18("4","6","10","6","9","3","1") = "9"
    & skf18("4","6","10","6","9","4","1") = "9"
    & skf18("4","6","10","6","9","5","1") = "9"
    & skf18("4","6","10","6","9","6","1") = "9"
    & skf18("4","6","10","6","9","7","1") = "9"
    & skf18("4","6","10","6","9","8","1") = "9"
    & skf18("4","6","10","6","9","9","1") = "9"
    & skf18("4","6","10","6","9","10","1") = "9"
    & skf18("4","6","10","6","10","1","1") = "9"
    & skf18("4","6","10","6","10","2","1") = "9"
    & skf18("4","6","10","6","10","3","1") = "9"
    & skf18("4","6","10","6","10","4","1") = "9"
    & skf18("4","6","10","6","10","5","1") = "9"
    & skf18("4","6","10","6","10","6","1") = "9"
    & skf18("4","6","10","6","10","7","1") = "9"
    & skf18("4","6","10","6","10","8","1") = "9"
    & skf18("4","6","10","6","10","9","1") = "9"
    & skf18("4","6","10","6","10","10","1") = "9"
    & skf18("4","6","10","7","1","1","1") = "9"
    & skf18("4","6","10","7","1","2","1") = "9"
    & skf18("4","6","10","7","1","3","1") = "9"
    & skf18("4","6","10","7","1","4","1") = "9"
    & skf18("4","6","10","7","1","5","1") = "9"
    & skf18("4","6","10","7","1","6","1") = "9"
    & skf18("4","6","10","7","1","7","1") = "9"
    & skf18("4","6","10","7","1","8","1") = "9"
    & skf18("4","6","10","7","1","9","1") = "9"
    & skf18("4","6","10","7","1","10","1") = "9"
    & skf18("4","6","10","7","2","1","1") = "9"
    & skf18("4","6","10","7","2","2","1") = "9"
    & skf18("4","6","10","7","2","3","1") = "9"
    & skf18("4","6","10","7","2","4","1") = "9"
    & skf18("4","6","10","7","2","5","1") = "9"
    & skf18("4","6","10","7","2","6","1") = "9"
    & skf18("4","6","10","7","2","7","1") = "9"
    & skf18("4","6","10","7","2","8","1") = "9"
    & skf18("4","6","10","7","2","9","1") = "9"
    & skf18("4","6","10","7","2","10","1") = "9"
    & skf18("4","6","10","7","3","1","1") = "9"
    & skf18("4","6","10","7","3","2","1") = "9"
    & skf18("4","6","10","7","3","3","1") = "9"
    & skf18("4","6","10","7","3","4","1") = "9"
    & skf18("4","6","10","7","3","5","1") = "9"
    & skf18("4","6","10","7","3","6","1") = "9"
    & skf18("4","6","10","7","3","7","1") = "9"
    & skf18("4","6","10","7","3","8","1") = "9"
    & skf18("4","6","10","7","3","9","1") = "9"
    & skf18("4","6","10","7","3","10","1") = "9"
    & skf18("4","6","10","7","4","1","1") = "9"
    & skf18("4","6","10","7","4","2","1") = "9"
    & skf18("4","6","10","7","4","3","1") = "9"
    & skf18("4","6","10","7","4","4","1") = "9"
    & skf18("4","6","10","7","4","5","1") = "9"
    & skf18("4","6","10","7","4","6","1") = "9"
    & skf18("4","6","10","7","4","7","1") = "9"
    & skf18("4","6","10","7","4","8","1") = "9"
    & skf18("4","6","10","7","4","9","1") = "9"
    & skf18("4","6","10","7","4","10","1") = "9"
    & skf18("4","6","10","7","5","1","1") = "9"
    & skf18("4","6","10","7","5","2","1") = "9"
    & skf18("4","6","10","7","5","3","1") = "9"
    & skf18("4","6","10","7","5","4","1") = "9"
    & skf18("4","6","10","7","5","5","1") = "9"
    & skf18("4","6","10","7","5","6","1") = "9"
    & skf18("4","6","10","7","5","7","1") = "9"
    & skf18("4","6","10","7","5","8","1") = "9"
    & skf18("4","6","10","7","5","9","1") = "9"
    & skf18("4","6","10","7","5","10","1") = "9"
    & skf18("4","6","10","7","6","1","1") = "9"
    & skf18("4","6","10","7","6","2","1") = "9"
    & skf18("4","6","10","7","6","3","1") = "9"
    & skf18("4","6","10","7","6","4","1") = "9"
    & skf18("4","6","10","7","6","5","1") = "9"
    & skf18("4","6","10","7","6","6","1") = "9"
    & skf18("4","6","10","7","6","7","1") = "9"
    & skf18("4","6","10","7","6","8","1") = "9"
    & skf18("4","6","10","7","6","9","1") = "9"
    & skf18("4","6","10","7","6","10","1") = "9"
    & skf18("4","6","10","7","7","1","1") = "9"
    & skf18("4","6","10","7","7","2","1") = "9"
    & skf18("4","6","10","7","7","3","1") = "9"
    & skf18("4","6","10","7","7","4","1") = "9"
    & skf18("4","6","10","7","7","5","1") = "9"
    & skf18("4","6","10","7","7","6","1") = "9"
    & skf18("4","6","10","7","7","7","1") = "9"
    & skf18("4","6","10","7","7","8","1") = "9"
    & skf18("4","6","10","7","7","9","1") = "9"
    & skf18("4","6","10","7","7","10","1") = "9"
    & skf18("4","6","10","7","8","1","1") = "9"
    & skf18("4","6","10","7","8","2","1") = "9"
    & skf18("4","6","10","7","8","3","1") = "9"
    & skf18("4","6","10","7","8","4","1") = "9"
    & skf18("4","6","10","7","8","5","1") = "9"
    & skf18("4","6","10","7","8","6","1") = "9"
    & skf18("4","6","10","7","8","7","1") = "9"
    & skf18("4","6","10","7","8","8","1") = "9"
    & skf18("4","6","10","7","8","9","1") = "9"
    & skf18("4","6","10","7","8","10","1") = "9"
    & skf18("4","6","10","7","9","1","1") = "9"
    & skf18("4","6","10","7","9","2","1") = "9"
    & skf18("4","6","10","7","9","3","1") = "9"
    & skf18("4","6","10","7","9","4","1") = "9"
    & skf18("4","6","10","7","9","5","1") = "9"
    & skf18("4","6","10","7","9","6","1") = "9"
    & skf18("4","6","10","7","9","7","1") = "9"
    & skf18("4","6","10","7","9","8","1") = "9"
    & skf18("4","6","10","7","9","9","1") = "9"
    & skf18("4","6","10","7","9","10","1") = "9"
    & skf18("4","6","10","7","10","1","1") = "9"
    & skf18("4","6","10","7","10","2","1") = "9"
    & skf18("4","6","10","7","10","3","1") = "9"
    & skf18("4","6","10","7","10","4","1") = "9"
    & skf18("4","6","10","7","10","5","1") = "9"
    & skf18("4","6","10","7","10","6","1") = "9"
    & skf18("4","6","10","7","10","7","1") = "9"
    & skf18("4","6","10","7","10","8","1") = "9"
    & skf18("4","6","10","7","10","9","1") = "9"
    & skf18("4","6","10","7","10","10","1") = "9"
    & skf18("4","6","10","8","1","1","1") = "9"
    & skf18("4","6","10","8","1","2","1") = "9"
    & skf18("4","6","10","8","1","3","1") = "9"
    & skf18("4","6","10","8","1","4","1") = "9"
    & skf18("4","6","10","8","1","5","1") = "9"
    & skf18("4","6","10","8","1","6","1") = "9"
    & skf18("4","6","10","8","1","7","1") = "9"
    & skf18("4","6","10","8","1","8","1") = "9"
    & skf18("4","6","10","8","1","9","1") = "9"
    & skf18("4","6","10","8","1","10","1") = "9"
    & skf18("4","6","10","8","2","1","1") = "9"
    & skf18("4","6","10","8","2","2","1") = "9"
    & skf18("4","6","10","8","2","3","1") = "9"
    & skf18("4","6","10","8","2","4","1") = "9"
    & skf18("4","6","10","8","2","5","1") = "9"
    & skf18("4","6","10","8","2","6","1") = "9"
    & skf18("4","6","10","8","2","7","1") = "9"
    & skf18("4","6","10","8","2","8","1") = "9"
    & skf18("4","6","10","8","2","9","1") = "9"
    & skf18("4","6","10","8","2","10","1") = "9"
    & skf18("4","6","10","8","3","1","1") = "9"
    & skf18("4","6","10","8","3","2","1") = "9"
    & skf18("4","6","10","8","3","3","1") = "9"
    & skf18("4","6","10","8","3","4","1") = "9"
    & skf18("4","6","10","8","3","5","1") = "9"
    & skf18("4","6","10","8","3","6","1") = "9"
    & skf18("4","6","10","8","3","7","1") = "9"
    & skf18("4","6","10","8","3","8","1") = "9"
    & skf18("4","6","10","8","3","9","1") = "9"
    & skf18("4","6","10","8","3","10","1") = "9"
    & skf18("4","6","10","8","4","1","1") = "9"
    & skf18("4","6","10","8","4","2","1") = "9"
    & skf18("4","6","10","8","4","3","1") = "9"
    & skf18("4","6","10","8","4","4","1") = "9"
    & skf18("4","6","10","8","4","5","1") = "9"
    & skf18("4","6","10","8","4","6","1") = "9"
    & skf18("4","6","10","8","4","7","1") = "9"
    & skf18("4","6","10","8","4","8","1") = "9"
    & skf18("4","6","10","8","4","9","1") = "9"
    & skf18("4","6","10","8","4","10","1") = "9"
    & skf18("4","6","10","8","5","1","1") = "9"
    & skf18("4","6","10","8","5","2","1") = "9"
    & skf18("4","6","10","8","5","3","1") = "9"
    & skf18("4","6","10","8","5","4","1") = "9"
    & skf18("4","6","10","8","5","5","1") = "9"
    & skf18("4","6","10","8","5","6","1") = "9"
    & skf18("4","6","10","8","5","7","1") = "9"
    & skf18("4","6","10","8","5","8","1") = "9"
    & skf18("4","6","10","8","5","9","1") = "9"
    & skf18("4","6","10","8","5","10","1") = "9"
    & skf18("4","6","10","8","6","1","1") = "9"
    & skf18("4","6","10","8","6","2","1") = "9"
    & skf18("4","6","10","8","6","3","1") = "9"
    & skf18("4","6","10","8","6","4","1") = "9"
    & skf18("4","6","10","8","6","5","1") = "9"
    & skf18("4","6","10","8","6","6","1") = "9"
    & skf18("4","6","10","8","6","7","1") = "9"
    & skf18("4","6","10","8","6","8","1") = "9"
    & skf18("4","6","10","8","6","9","1") = "9"
    & skf18("4","6","10","8","6","10","1") = "9"
    & skf18("4","6","10","8","7","1","1") = "9"
    & skf18("4","6","10","8","7","2","1") = "9"
    & skf18("4","6","10","8","7","3","1") = "9"
    & skf18("4","6","10","8","7","4","1") = "9"
    & skf18("4","6","10","8","7","5","1") = "9"
    & skf18("4","6","10","8","7","6","1") = "9"
    & skf18("4","6","10","8","7","7","1") = "9"
    & skf18("4","6","10","8","7","8","1") = "9"
    & skf18("4","6","10","8","7","9","1") = "9"
    & skf18("4","6","10","8","7","10","1") = "9"
    & skf18("4","6","10","8","8","1","1") = "9"
    & skf18("4","6","10","8","8","2","1") = "9"
    & skf18("4","6","10","8","8","3","1") = "9"
    & skf18("4","6","10","8","8","4","1") = "9"
    & skf18("4","6","10","8","8","5","1") = "9"
    & skf18("4","6","10","8","8","6","1") = "9"
    & skf18("4","6","10","8","8","7","1") = "9"
    & skf18("4","6","10","8","8","8","1") = "9"
    & skf18("4","6","10","8","8","9","1") = "9"
    & skf18("4","6","10","8","8","10","1") = "9"
    & skf18("4","6","10","8","9","1","1") = "9"
    & skf18("4","6","10","8","9","2","1") = "9"
    & skf18("4","6","10","8","9","3","1") = "9"
    & skf18("4","6","10","8","9","4","1") = "9"
    & skf18("4","6","10","8","9","5","1") = "9"
    & skf18("4","6","10","8","9","6","1") = "9"
    & skf18("4","6","10","8","9","7","1") = "9"
    & skf18("4","6","10","8","9","8","1") = "9"
    & skf18("4","6","10","8","9","9","1") = "9"
    & skf18("4","6","10","8","9","10","1") = "9"
    & skf18("4","6","10","8","10","1","1") = "9"
    & skf18("4","6","10","8","10","2","1") = "9"
    & skf18("4","6","10","8","10","3","1") = "9"
    & skf18("4","6","10","8","10","4","1") = "9"
    & skf18("4","6","10","8","10","5","1") = "9"
    & skf18("4","6","10","8","10","6","1") = "9"
    & skf18("4","6","10","8","10","7","1") = "9"
    & skf18("4","6","10","8","10","8","1") = "9"
    & skf18("4","6","10","8","10","9","1") = "9"
    & skf18("4","6","10","8","10","10","1") = "9"
    & skf18("4","6","10","9","1","1","1") = "9"
    & skf18("4","6","10","9","1","2","1") = "9"
    & skf18("4","6","10","9","1","3","1") = "9"
    & skf18("4","6","10","9","1","4","1") = "9"
    & skf18("4","6","10","9","1","5","1") = "9"
    & skf18("4","6","10","9","1","6","1") = "9"
    & skf18("4","6","10","9","1","7","1") = "9"
    & skf18("4","6","10","9","1","8","1") = "9"
    & skf18("4","6","10","9","1","9","1") = "9"
    & skf18("4","6","10","9","1","10","1") = "9"
    & skf18("4","6","10","9","2","1","1") = "9"
    & skf18("4","6","10","9","2","2","1") = "9"
    & skf18("4","6","10","9","2","3","1") = "9"
    & skf18("4","6","10","9","2","4","1") = "9"
    & skf18("4","6","10","9","2","5","1") = "9"
    & skf18("4","6","10","9","2","6","1") = "9"
    & skf18("4","6","10","9","2","7","1") = "9"
    & skf18("4","6","10","9","2","8","1") = "9"
    & skf18("4","6","10","9","2","9","1") = "9"
    & skf18("4","6","10","9","2","10","1") = "9"
    & skf18("4","6","10","9","3","1","1") = "9"
    & skf18("4","6","10","9","3","2","1") = "9"
    & skf18("4","6","10","9","3","3","1") = "9"
    & skf18("4","6","10","9","3","4","1") = "9"
    & skf18("4","6","10","9","3","5","1") = "9"
    & skf18("4","6","10","9","3","6","1") = "9"
    & skf18("4","6","10","9","3","7","1") = "9"
    & skf18("4","6","10","9","3","8","1") = "9"
    & skf18("4","6","10","9","3","9","1") = "9"
    & skf18("4","6","10","9","3","10","1") = "9"
    & skf18("4","6","10","9","4","1","1") = "9"
    & skf18("4","6","10","9","4","2","1") = "9"
    & skf18("4","6","10","9","4","3","1") = "9"
    & skf18("4","6","10","9","4","4","1") = "9"
    & skf18("4","6","10","9","4","5","1") = "9"
    & skf18("4","6","10","9","4","6","1") = "9"
    & skf18("4","6","10","9","4","7","1") = "9"
    & skf18("4","6","10","9","4","8","1") = "9"
    & skf18("4","6","10","9","4","9","1") = "9"
    & skf18("4","6","10","9","4","10","1") = "9"
    & skf18("4","6","10","9","5","1","1") = "9"
    & skf18("4","6","10","9","5","2","1") = "9"
    & skf18("4","6","10","9","5","3","1") = "9"
    & skf18("4","6","10","9","5","4","1") = "9"
    & skf18("4","6","10","9","5","5","1") = "9"
    & skf18("4","6","10","9","5","6","1") = "9"
    & skf18("4","6","10","9","5","7","1") = "9"
    & skf18("4","6","10","9","5","8","1") = "9"
    & skf18("4","6","10","9","5","9","1") = "9"
    & skf18("4","6","10","9","5","10","1") = "9"
    & skf18("4","6","10","9","6","1","1") = "9"
    & skf18("4","6","10","9","6","2","1") = "9"
    & skf18("4","6","10","9","6","3","1") = "9"
    & skf18("4","6","10","9","6","4","1") = "9"
    & skf18("4","6","10","9","6","5","1") = "9"
    & skf18("4","6","10","9","6","6","1") = "9"
    & skf18("4","6","10","9","6","7","1") = "9"
    & skf18("4","6","10","9","6","8","1") = "9"
    & skf18("4","6","10","9","6","9","1") = "9"
    & skf18("4","6","10","9","6","10","1") = "9"
    & skf18("4","6","10","9","7","1","1") = "9"
    & skf18("4","6","10","9","7","2","1") = "9"
    & skf18("4","6","10","9","7","3","1") = "9"
    & skf18("4","6","10","9","7","4","1") = "9"
    & skf18("4","6","10","9","7","5","1") = "9"
    & skf18("4","6","10","9","7","6","1") = "9"
    & skf18("4","6","10","9","7","7","1") = "9"
    & skf18("4","6","10","9","7","8","1") = "9"
    & skf18("4","6","10","9","7","9","1") = "9"
    & skf18("4","6","10","9","7","10","1") = "9"
    & skf18("4","6","10","9","8","1","1") = "9"
    & skf18("4","6","10","9","8","2","1") = "9"
    & skf18("4","6","10","9","8","3","1") = "9"
    & skf18("4","6","10","9","8","4","1") = "9"
    & skf18("4","6","10","9","8","5","1") = "9"
    & skf18("4","6","10","9","8","6","1") = "9"
    & skf18("4","6","10","9","8","7","1") = "9"
    & skf18("4","6","10","9","8","8","1") = "9"
    & skf18("4","6","10","9","8","9","1") = "9"
    & skf18("4","6","10","9","8","10","1") = "9"
    & skf18("4","6","10","9","9","1","1") = "9"
    & skf18("4","6","10","9","9","2","1") = "9"
    & skf18("4","6","10","9","9","3","1") = "9"
    & skf18("4","6","10","9","9","4","1") = "9"
    & skf18("4","6","10","9","9","5","1") = "9"
    & skf18("4","6","10","9","9","6","1") = "9"
    & skf18("4","6","10","9","9","7","1") = "9"
    & skf18("4","6","10","9","9","8","1") = "9"
    & skf18("4","6","10","9","9","9","1") = "9"
    & skf18("4","6","10","9","9","10","1") = "9"
    & skf18("4","6","10","9","10","1","1") = "9"
    & skf18("4","6","10","9","10","2","1") = "9"
    & skf18("4","6","10","9","10","3","1") = "9"
    & skf18("4","6","10","9","10","4","1") = "9"
    & skf18("4","6","10","9","10","5","1") = "9"
    & skf18("4","6","10","9","10","6","1") = "9"
    & skf18("4","6","10","9","10","7","1") = "9"
    & skf18("4","6","10","9","10","8","1") = "9"
    & skf18("4","6","10","9","10","9","1") = "9"
    & skf18("4","6","10","9","10","10","1") = "9"
    & skf18("4","6","10","10","1","1","1") = "9"
    & skf18("4","6","10","10","1","2","1") = "9"
    & skf18("4","6","10","10","1","3","1") = "9"
    & skf18("4","6","10","10","1","4","1") = "9"
    & skf18("4","6","10","10","1","5","1") = "9"
    & skf18("4","6","10","10","1","6","1") = "9"
    & skf18("4","6","10","10","1","7","1") = "9"
    & skf18("4","6","10","10","1","8","1") = "9"
    & skf18("4","6","10","10","1","9","1") = "9"
    & skf18("4","6","10","10","1","10","1") = "9"
    & skf18("4","6","10","10","2","1","1") = "9"
    & skf18("4","6","10","10","2","2","1") = "9"
    & skf18("4","6","10","10","2","3","1") = "9"
    & skf18("4","6","10","10","2","4","1") = "9"
    & skf18("4","6","10","10","2","5","1") = "9"
    & skf18("4","6","10","10","2","6","1") = "9"
    & skf18("4","6","10","10","2","7","1") = "9"
    & skf18("4","6","10","10","2","8","1") = "9"
    & skf18("4","6","10","10","2","9","1") = "9"
    & skf18("4","6","10","10","2","10","1") = "9"
    & skf18("4","6","10","10","3","1","1") = "9"
    & skf18("4","6","10","10","3","2","1") = "9"
    & skf18("4","6","10","10","3","3","1") = "9"
    & skf18("4","6","10","10","3","4","1") = "9"
    & skf18("4","6","10","10","3","5","1") = "9"
    & skf18("4","6","10","10","3","6","1") = "9"
    & skf18("4","6","10","10","3","7","1") = "9"
    & skf18("4","6","10","10","3","8","1") = "9"
    & skf18("4","6","10","10","3","9","1") = "9"
    & skf18("4","6","10","10","3","10","1") = "9"
    & skf18("4","6","10","10","4","1","1") = "9"
    & skf18("4","6","10","10","4","2","1") = "9"
    & skf18("4","6","10","10","4","3","1") = "9"
    & skf18("4","6","10","10","4","4","1") = "9"
    & skf18("4","6","10","10","4","5","1") = "9"
    & skf18("4","6","10","10","4","6","1") = "9"
    & skf18("4","6","10","10","4","7","1") = "9"
    & skf18("4","6","10","10","4","8","1") = "9"
    & skf18("4","6","10","10","4","9","1") = "9"
    & skf18("4","6","10","10","4","10","1") = "9"
    & skf18("4","6","10","10","5","1","1") = "9"
    & skf18("4","6","10","10","5","2","1") = "9"
    & skf18("4","6","10","10","5","3","1") = "9"
    & skf18("4","6","10","10","5","4","1") = "9"
    & skf18("4","6","10","10","5","5","1") = "9"
    & skf18("4","6","10","10","5","6","1") = "9"
    & skf18("4","6","10","10","5","7","1") = "9"
    & skf18("4","6","10","10","5","8","1") = "9"
    & skf18("4","6","10","10","5","9","1") = "9"
    & skf18("4","6","10","10","5","10","1") = "9"
    & skf18("4","6","10","10","6","1","1") = "9"
    & skf18("4","6","10","10","6","2","1") = "9"
    & skf18("4","6","10","10","6","3","1") = "9"
    & skf18("4","6","10","10","6","4","1") = "9"
    & skf18("4","6","10","10","6","5","1") = "9"
    & skf18("4","6","10","10","6","6","1") = "9"
    & skf18("4","6","10","10","6","7","1") = "9"
    & skf18("4","6","10","10","6","8","1") = "9"
    & skf18("4","6","10","10","6","9","1") = "9"
    & skf18("4","6","10","10","6","10","1") = "9"
    & skf18("4","6","10","10","7","1","1") = "9"
    & skf18("4","6","10","10","7","2","1") = "9"
    & skf18("4","6","10","10","7","3","1") = "9"
    & skf18("4","6","10","10","7","4","1") = "9"
    & skf18("4","6","10","10","7","5","1") = "9"
    & skf18("4","6","10","10","7","6","1") = "9"
    & skf18("4","6","10","10","7","7","1") = "9"
    & skf18("4","6","10","10","7","8","1") = "9"
    & skf18("4","6","10","10","7","9","1") = "9"
    & skf18("4","6","10","10","7","10","1") = "9"
    & skf18("4","6","10","10","8","1","1") = "9"
    & skf18("4","6","10","10","8","2","1") = "9"
    & skf18("4","6","10","10","8","3","1") = "9"
    & skf18("4","6","10","10","8","4","1") = "9"
    & skf18("4","6","10","10","8","5","1") = "9"
    & skf18("4","6","10","10","8","6","1") = "9"
    & skf18("4","6","10","10","8","7","1") = "9"
    & skf18("4","6","10","10","8","8","1") = "9"
    & skf18("4","6","10","10","8","9","1") = "9"
    & skf18("4","6","10","10","8","10","1") = "9"
    & skf18("4","6","10","10","9","1","1") = "9"
    & skf18("4","6","10","10","9","2","1") = "9"
    & skf18("4","6","10","10","9","3","1") = "9"
    & skf18("4","6","10","10","9","4","1") = "9"
    & skf18("4","6","10","10","9","5","1") = "9"
    & skf18("4","6","10","10","9","6","1") = "9"
    & skf18("4","6","10","10","9","7","1") = "9"
    & skf18("4","6","10","10","9","8","1") = "9"
    & skf18("4","6","10","10","9","9","1") = "9"
    & skf18("4","6","10","10","9","10","1") = "9"
    & skf18("4","6","10","10","10","1","1") = "9"
    & skf18("4","6","10","10","10","2","1") = "9"
    & skf18("4","6","10","10","10","3","1") = "9"
    & skf18("4","6","10","10","10","4","1") = "9"
    & skf18("4","6","10","10","10","5","1") = "9"
    & skf18("4","6","10","10","10","6","1") = "9"
    & skf18("4","6","10","10","10","7","1") = "9"
    & skf18("4","6","10","10","10","8","1") = "9"
    & skf18("4","6","10","10","10","9","1") = "9"
    & skf18("4","6","10","10","10","10","1") = "9"
    & skf18("4","7","1","1","1","1","1") = "6"
    & skf18("4","7","1","1","1","2","1") = "6"
    & skf18("4","7","1","1","1","3","1") = "6"
    & skf18("4","7","1","1","1","4","1") = "6"
    & skf18("4","7","1","1","1","5","1") = "6"
    & skf18("4","7","1","1","1","6","1") = "6"
    & skf18("4","7","1","1","1","7","1") = "6"
    & skf18("4","7","1","1","1","8","1") = "7"
    & skf18("4","7","1","1","1","9","1") = "8"
    & skf18("4","7","1","1","1","10","1") = "9"
    & skf18("4","7","1","1","2","1","1") = "6"
    & skf18("4","7","1","1","2","2","1") = "6"
    & skf18("4","7","1","1","2","3","1") = "6"
    & skf18("4","7","1","1","2","4","1") = "6"
    & skf18("4","7","1","1","2","5","1") = "6"
    & skf18("4","7","1","1","2","6","1") = "6"
    & skf18("4","7","1","1","2","7","1") = "6"
    & skf18("4","7","1","1","2","8","1") = "7"
    & skf18("4","7","1","1","2","9","1") = "8"
    & skf18("4","7","1","1","2","10","1") = "9"
    & skf18("4","7","1","1","3","1","1") = "6"
    & skf18("4","7","1","1","3","2","1") = "6"
    & skf18("4","7","1","1","3","3","1") = "6"
    & skf18("4","7","1","1","3","4","1") = "6"
    & skf18("4","7","1","1","3","5","1") = "6"
    & skf18("4","7","1","1","3","6","1") = "6"
    & skf18("4","7","1","1","3","7","1") = "6"
    & skf18("4","7","1","1","3","8","1") = "7"
    & skf18("4","7","1","1","3","9","1") = "8"
    & skf18("4","7","1","1","3","10","1") = "9"
    & skf18("4","7","1","1","4","1","1") = "6"
    & skf18("4","7","1","1","4","2","1") = "6"
    & skf18("4","7","1","1","4","3","1") = "6"
    & skf18("4","7","1","1","4","4","1") = "6"
    & skf18("4","7","1","1","4","5","1") = "6"
    & skf18("4","7","1","1","4","6","1") = "6"
    & skf18("4","7","1","1","4","7","1") = "6"
    & skf18("4","7","1","1","4","8","1") = "7"
    & skf18("4","7","1","1","4","9","1") = "8"
    & skf18("4","7","1","1","4","10","1") = "9"
    & skf18("4","7","1","1","5","1","1") = "6"
    & skf18("4","7","1","1","5","2","1") = "6"
    & skf18("4","7","1","1","5","3","1") = "6"
    & skf18("4","7","1","1","5","4","1") = "6"
    & skf18("4","7","1","1","5","5","1") = "6"
    & skf18("4","7","1","1","5","6","1") = "6"
    & skf18("4","7","1","1","5","7","1") = "6"
    & skf18("4","7","1","1","5","8","1") = "7"
    & skf18("4","7","1","1","5","9","1") = "8"
    & skf18("4","7","1","1","5","10","1") = "9"
    & skf18("4","7","1","1","6","1","1") = "6"
    & skf18("4","7","1","1","6","2","1") = "6"
    & skf18("4","7","1","1","6","3","1") = "6"
    & skf18("4","7","1","1","6","4","1") = "6"
    & skf18("4","7","1","1","6","5","1") = "6"
    & skf18("4","7","1","1","6","6","1") = "6"
    & skf18("4","7","1","1","6","7","1") = "6"
    & skf18("4","7","1","1","6","8","1") = "7"
    & skf18("4","7","1","1","6","9","1") = "8"
    & skf18("4","7","1","1","6","10","1") = "9"
    & skf18("4","7","1","1","7","1","1") = "6"
    & skf18("4","7","1","1","7","2","1") = "6"
    & skf18("4","7","1","1","7","3","1") = "6"
    & skf18("4","7","1","1","7","4","1") = "6"
    & skf18("4","7","1","1","7","5","1") = "6"
    & skf18("4","7","1","1","7","6","1") = "6"
    & skf18("4","7","1","1","7","7","1") = "6"
    & skf18("4","7","1","1","7","8","1") = "7"
    & skf18("4","7","1","1","7","9","1") = "8"
    & skf18("4","7","1","1","7","10","1") = "9"
    & skf18("4","7","1","1","8","1","1") = "7"
    & skf18("4","7","1","1","8","2","1") = "7"
    & skf18("4","7","1","1","8","3","1") = "7"
    & skf18("4","7","1","1","8","4","1") = "7"
    & skf18("4","7","1","1","8","5","1") = "7"
    & skf18("4","7","1","1","8","6","1") = "7"
    & skf18("4","7","1","1","8","7","1") = "7"
    & skf18("4","7","1","1","8","8","1") = "7"
    & skf18("4","7","1","1","8","9","1") = "8"
    & skf18("4","7","1","1","8","10","1") = "9"
    & skf18("4","7","1","1","9","1","1") = "8"
    & skf18("4","7","1","1","9","2","1") = "8"
    & skf18("4","7","1","1","9","3","1") = "8"
    & skf18("4","7","1","1","9","4","1") = "8"
    & skf18("4","7","1","1","9","5","1") = "8"
    & skf18("4","7","1","1","9","6","1") = "8"
    & skf18("4","7","1","1","9","7","1") = "8"
    & skf18("4","7","1","1","9","8","1") = "8"
    & skf18("4","7","1","1","9","9","1") = "8"
    & skf18("4","7","1","1","9","10","1") = "9"
    & skf18("4","7","1","1","10","1","1") = "9"
    & skf18("4","7","1","1","10","2","1") = "9"
    & skf18("4","7","1","1","10","3","1") = "9"
    & skf18("4","7","1","1","10","4","1") = "9"
    & skf18("4","7","1","1","10","5","1") = "9"
    & skf18("4","7","1","1","10","6","1") = "9"
    & skf18("4","7","1","1","10","7","1") = "9"
    & skf18("4","7","1","1","10","8","1") = "9"
    & skf18("4","7","1","1","10","9","1") = "9"
    & skf18("4","7","1","1","10","10","1") = "9"
    & skf18("4","7","1","2","1","1","1") = "6"
    & skf18("4","7","1","2","1","2","1") = "6"
    & skf18("4","7","1","2","1","3","1") = "6"
    & skf18("4","7","1","2","1","4","1") = "6"
    & skf18("4","7","1","2","1","5","1") = "6"
    & skf18("4","7","1","2","1","6","1") = "6"
    & skf18("4","7","1","2","1","7","1") = "6"
    & skf18("4","7","1","2","1","8","1") = "7"
    & skf18("4","7","1","2","1","9","1") = "8"
    & skf18("4","7","1","2","1","10","1") = "9"
    & skf18("4","7","1","2","2","1","1") = "6"
    & skf18("4","7","1","2","2","2","1") = "6"
    & skf18("4","7","1","2","2","3","1") = "6"
    & skf18("4","7","1","2","2","4","1") = "6"
    & skf18("4","7","1","2","2","5","1") = "6"
    & skf18("4","7","1","2","2","6","1") = "6"
    & skf18("4","7","1","2","2","7","1") = "6"
    & skf18("4","7","1","2","2","8","1") = "7"
    & skf18("4","7","1","2","2","9","1") = "8"
    & skf18("4","7","1","2","2","10","1") = "9"
    & skf18("4","7","1","2","3","1","1") = "6"
    & skf18("4","7","1","2","3","2","1") = "6"
    & skf18("4","7","1","2","3","3","1") = "6"
    & skf18("4","7","1","2","3","4","1") = "6"
    & skf18("4","7","1","2","3","5","1") = "6"
    & skf18("4","7","1","2","3","6","1") = "6"
    & skf18("4","7","1","2","3","7","1") = "6"
    & skf18("4","7","1","2","3","8","1") = "7"
    & skf18("4","7","1","2","3","9","1") = "8"
    & skf18("4","7","1","2","3","10","1") = "9"
    & skf18("4","7","1","2","4","1","1") = "6"
    & skf18("4","7","1","2","4","2","1") = "6"
    & skf18("4","7","1","2","4","3","1") = "6"
    & skf18("4","7","1","2","4","4","1") = "6"
    & skf18("4","7","1","2","4","5","1") = "6"
    & skf18("4","7","1","2","4","6","1") = "6"
    & skf18("4","7","1","2","4","7","1") = "6"
    & skf18("4","7","1","2","4","8","1") = "7"
    & skf18("4","7","1","2","4","9","1") = "8"
    & skf18("4","7","1","2","4","10","1") = "9"
    & skf18("4","7","1","2","5","1","1") = "6"
    & skf18("4","7","1","2","5","2","1") = "6"
    & skf18("4","7","1","2","5","3","1") = "6"
    & skf18("4","7","1","2","5","4","1") = "6"
    & skf18("4","7","1","2","5","5","1") = "6"
    & skf18("4","7","1","2","5","6","1") = "6"
    & skf18("4","7","1","2","5","7","1") = "6"
    & skf18("4","7","1","2","5","8","1") = "7"
    & skf18("4","7","1","2","5","9","1") = "8"
    & skf18("4","7","1","2","5","10","1") = "9"
    & skf18("4","7","1","2","6","1","1") = "6"
    & skf18("4","7","1","2","6","2","1") = "6"
    & skf18("4","7","1","2","6","3","1") = "6"
    & skf18("4","7","1","2","6","4","1") = "6"
    & skf18("4","7","1","2","6","5","1") = "6"
    & skf18("4","7","1","2","6","6","1") = "6"
    & skf18("4","7","1","2","6","7","1") = "6"
    & skf18("4","7","1","2","6","8","1") = "7"
    & skf18("4","7","1","2","6","9","1") = "8"
    & skf18("4","7","1","2","6","10","1") = "9"
    & skf18("4","7","1","2","7","1","1") = "6"
    & skf18("4","7","1","2","7","2","1") = "6"
    & skf18("4","7","1","2","7","3","1") = "6"
    & skf18("4","7","1","2","7","4","1") = "6"
    & skf18("4","7","1","2","7","5","1") = "6"
    & skf18("4","7","1","2","7","6","1") = "6"
    & skf18("4","7","1","2","7","7","1") = "6"
    & skf18("4","7","1","2","7","8","1") = "7"
    & skf18("4","7","1","2","7","9","1") = "8"
    & skf18("4","7","1","2","7","10","1") = "9"
    & skf18("4","7","1","2","8","1","1") = "7"
    & skf18("4","7","1","2","8","2","1") = "7"
    & skf18("4","7","1","2","8","3","1") = "7"
    & skf18("4","7","1","2","8","4","1") = "7"
    & skf18("4","7","1","2","8","5","1") = "7"
    & skf18("4","7","1","2","8","6","1") = "7"
    & skf18("4","7","1","2","8","7","1") = "7"
    & skf18("4","7","1","2","8","8","1") = "7"
    & skf18("4","7","1","2","8","9","1") = "8"
    & skf18("4","7","1","2","8","10","1") = "9"
    & skf18("4","7","1","2","9","1","1") = "8"
    & skf18("4","7","1","2","9","2","1") = "8"
    & skf18("4","7","1","2","9","3","1") = "8"
    & skf18("4","7","1","2","9","4","1") = "8"
    & skf18("4","7","1","2","9","5","1") = "8"
    & skf18("4","7","1","2","9","6","1") = "8"
    & skf18("4","7","1","2","9","7","1") = "8"
    & skf18("4","7","1","2","9","8","1") = "8"
    & skf18("4","7","1","2","9","9","1") = "8"
    & skf18("4","7","1","2","9","10","1") = "9"
    & skf18("4","7","1","2","10","1","1") = "9"
    & skf18("4","7","1","2","10","2","1") = "9"
    & skf18("4","7","1","2","10","3","1") = "9"
    & skf18("4","7","1","2","10","4","1") = "9"
    & skf18("4","7","1","2","10","5","1") = "9"
    & skf18("4","7","1","2","10","6","1") = "9"
    & skf18("4","7","1","2","10","7","1") = "9"
    & skf18("4","7","1","2","10","8","1") = "9"
    & skf18("4","7","1","2","10","9","1") = "9"
    & skf18("4","7","1","2","10","10","1") = "9"
    & skf18("4","7","1","3","1","1","1") = "6"
    & skf18("4","7","1","3","1","2","1") = "6"
    & skf18("4","7","1","3","1","3","1") = "6"
    & skf18("4","7","1","3","1","4","1") = "6"
    & skf18("4","7","1","3","1","5","1") = "6"
    & skf18("4","7","1","3","1","6","1") = "6"
    & skf18("4","7","1","3","1","7","1") = "6"
    & skf18("4","7","1","3","1","8","1") = "7"
    & skf18("4","7","1","3","1","9","1") = "8"
    & skf18("4","7","1","3","1","10","1") = "9"
    & skf18("4","7","1","3","2","1","1") = "6"
    & skf18("4","7","1","3","2","2","1") = "6"
    & skf18("4","7","1","3","2","3","1") = "6"
    & skf18("4","7","1","3","2","4","1") = "6"
    & skf18("4","7","1","3","2","5","1") = "6"
    & skf18("4","7","1","3","2","6","1") = "6"
    & skf18("4","7","1","3","2","7","1") = "6"
    & skf18("4","7","1","3","2","8","1") = "7"
    & skf18("4","7","1","3","2","9","1") = "8"
    & skf18("4","7","1","3","2","10","1") = "9"
    & skf18("4","7","1","3","3","1","1") = "6"
    & skf18("4","7","1","3","3","2","1") = "6"
    & skf18("4","7","1","3","3","3","1") = "6"
    & skf18("4","7","1","3","3","4","1") = "6"
    & skf18("4","7","1","3","3","5","1") = "6"
    & skf18("4","7","1","3","3","6","1") = "6"
    & skf18("4","7","1","3","3","7","1") = "6"
    & skf18("4","7","1","3","3","8","1") = "7"
    & skf18("4","7","1","3","3","9","1") = "8"
    & skf18("4","7","1","3","3","10","1") = "9"
    & skf18("4","7","1","3","4","1","1") = "6"
    & skf18("4","7","1","3","4","2","1") = "6"
    & skf18("4","7","1","3","4","3","1") = "6"
    & skf18("4","7","1","3","4","4","1") = "6"
    & skf18("4","7","1","3","4","5","1") = "6"
    & skf18("4","7","1","3","4","6","1") = "6"
    & skf18("4","7","1","3","4","7","1") = "6"
    & skf18("4","7","1","3","4","8","1") = "7"
    & skf18("4","7","1","3","4","9","1") = "8"
    & skf18("4","7","1","3","4","10","1") = "9"
    & skf18("4","7","1","3","5","1","1") = "6"
    & skf18("4","7","1","3","5","2","1") = "6"
    & skf18("4","7","1","3","5","3","1") = "6"
    & skf18("4","7","1","3","5","4","1") = "6"
    & skf18("4","7","1","3","5","5","1") = "6"
    & skf18("4","7","1","3","5","6","1") = "6"
    & skf18("4","7","1","3","5","7","1") = "6"
    & skf18("4","7","1","3","5","8","1") = "7"
    & skf18("4","7","1","3","5","9","1") = "8"
    & skf18("4","7","1","3","5","10","1") = "9"
    & skf18("4","7","1","3","6","1","1") = "6"
    & skf18("4","7","1","3","6","2","1") = "6"
    & skf18("4","7","1","3","6","3","1") = "6"
    & skf18("4","7","1","3","6","4","1") = "6"
    & skf18("4","7","1","3","6","5","1") = "6"
    & skf18("4","7","1","3","6","6","1") = "6"
    & skf18("4","7","1","3","6","7","1") = "6"
    & skf18("4","7","1","3","6","8","1") = "7"
    & skf18("4","7","1","3","6","9","1") = "8"
    & skf18("4","7","1","3","6","10","1") = "9"
    & skf18("4","7","1","3","7","1","1") = "6"
    & skf18("4","7","1","3","7","2","1") = "6"
    & skf18("4","7","1","3","7","3","1") = "6"
    & skf18("4","7","1","3","7","4","1") = "6"
    & skf18("4","7","1","3","7","5","1") = "6"
    & skf18("4","7","1","3","7","6","1") = "6"
    & skf18("4","7","1","3","7","7","1") = "6"
    & skf18("4","7","1","3","7","8","1") = "7"
    & skf18("4","7","1","3","7","9","1") = "8"
    & skf18("4","7","1","3","7","10","1") = "9"
    & skf18("4","7","1","3","8","1","1") = "7"
    & skf18("4","7","1","3","8","2","1") = "7"
    & skf18("4","7","1","3","8","3","1") = "7"
    & skf18("4","7","1","3","8","4","1") = "7"
    & skf18("4","7","1","3","8","5","1") = "7"
    & skf18("4","7","1","3","8","6","1") = "7"
    & skf18("4","7","1","3","8","7","1") = "7"
    & skf18("4","7","1","3","8","8","1") = "7"
    & skf18("4","7","1","3","8","9","1") = "8"
    & skf18("4","7","1","3","8","10","1") = "9"
    & skf18("4","7","1","3","9","1","1") = "8"
    & skf18("4","7","1","3","9","2","1") = "8"
    & skf18("4","7","1","3","9","3","1") = "8"
    & skf18("4","7","1","3","9","4","1") = "8"
    & skf18("4","7","1","3","9","5","1") = "8"
    & skf18("4","7","1","3","9","6","1") = "8"
    & skf18("4","7","1","3","9","7","1") = "8"
    & skf18("4","7","1","3","9","8","1") = "8"
    & skf18("4","7","1","3","9","9","1") = "8"
    & skf18("4","7","1","3","9","10","1") = "9"
    & skf18("4","7","1","3","10","1","1") = "9"
    & skf18("4","7","1","3","10","2","1") = "9"
    & skf18("4","7","1","3","10","3","1") = "9"
    & skf18("4","7","1","3","10","4","1") = "9"
    & skf18("4","7","1","3","10","5","1") = "9"
    & skf18("4","7","1","3","10","6","1") = "9"
    & skf18("4","7","1","3","10","7","1") = "9"
    & skf18("4","7","1","3","10","8","1") = "9"
    & skf18("4","7","1","3","10","9","1") = "9"
    & skf18("4","7","1","3","10","10","1") = "9"
    & skf18("4","7","1","4","1","1","1") = "6"
    & skf18("4","7","1","4","1","2","1") = "6"
    & skf18("4","7","1","4","1","3","1") = "6"
    & skf18("4","7","1","4","1","4","1") = "6"
    & skf18("4","7","1","4","1","5","1") = "6"
    & skf18("4","7","1","4","1","6","1") = "6"
    & skf18("4","7","1","4","1","7","1") = "6"
    & skf18("4","7","1","4","1","8","1") = "7"
    & skf18("4","7","1","4","1","9","1") = "8"
    & skf18("4","7","1","4","1","10","1") = "9"
    & skf18("4","7","1","4","2","1","1") = "6"
    & skf18("4","7","1","4","2","2","1") = "6"
    & skf18("4","7","1","4","2","3","1") = "6"
    & skf18("4","7","1","4","2","4","1") = "6"
    & skf18("4","7","1","4","2","5","1") = "6"
    & skf18("4","7","1","4","2","6","1") = "6"
    & skf18("4","7","1","4","2","7","1") = "6"
    & skf18("4","7","1","4","2","8","1") = "7"
    & skf18("4","7","1","4","2","9","1") = "8"
    & skf18("4","7","1","4","2","10","1") = "9"
    & skf18("4","7","1","4","3","1","1") = "6"
    & skf18("4","7","1","4","3","2","1") = "6"
    & skf18("4","7","1","4","3","3","1") = "6"
    & skf18("4","7","1","4","3","4","1") = "6"
    & skf18("4","7","1","4","3","5","1") = "6"
    & skf18("4","7","1","4","3","6","1") = "6"
    & skf18("4","7","1","4","3","7","1") = "6"
    & skf18("4","7","1","4","3","8","1") = "7"
    & skf18("4","7","1","4","3","9","1") = "8"
    & skf18("4","7","1","4","3","10","1") = "9"
    & skf18("4","7","1","4","4","1","1") = "6"
    & skf18("4","7","1","4","4","2","1") = "6"
    & skf18("4","7","1","4","4","3","1") = "6"
    & skf18("4","7","1","4","4","4","1") = "6"
    & skf18("4","7","1","4","4","5","1") = "6"
    & skf18("4","7","1","4","4","6","1") = "6"
    & skf18("4","7","1","4","4","7","1") = "6"
    & skf18("4","7","1","4","4","8","1") = "7"
    & skf18("4","7","1","4","4","9","1") = "8"
    & skf18("4","7","1","4","4","10","1") = "9"
    & skf18("4","7","1","4","5","1","1") = "6"
    & skf18("4","7","1","4","5","2","1") = "6"
    & skf18("4","7","1","4","5","3","1") = "6"
    & skf18("4","7","1","4","5","4","1") = "6"
    & skf18("4","7","1","4","5","5","1") = "6"
    & skf18("4","7","1","4","5","6","1") = "6"
    & skf18("4","7","1","4","5","7","1") = "6"
    & skf18("4","7","1","4","5","8","1") = "7"
    & skf18("4","7","1","4","5","9","1") = "8"
    & skf18("4","7","1","4","5","10","1") = "9"
    & skf18("4","7","1","4","6","1","1") = "6"
    & skf18("4","7","1","4","6","2","1") = "6"
    & skf18("4","7","1","4","6","3","1") = "6"
    & skf18("4","7","1","4","6","4","1") = "6"
    & skf18("4","7","1","4","6","5","1") = "6"
    & skf18("4","7","1","4","6","6","1") = "6"
    & skf18("4","7","1","4","6","7","1") = "6"
    & skf18("4","7","1","4","6","8","1") = "7"
    & skf18("4","7","1","4","6","9","1") = "8"
    & skf18("4","7","1","4","6","10","1") = "9"
    & skf18("4","7","1","4","7","1","1") = "6"
    & skf18("4","7","1","4","7","2","1") = "6"
    & skf18("4","7","1","4","7","3","1") = "6"
    & skf18("4","7","1","4","7","4","1") = "6"
    & skf18("4","7","1","4","7","5","1") = "6"
    & skf18("4","7","1","4","7","6","1") = "6"
    & skf18("4","7","1","4","7","7","1") = "6"
    & skf18("4","7","1","4","7","8","1") = "7"
    & skf18("4","7","1","4","7","9","1") = "8"
    & skf18("4","7","1","4","7","10","1") = "9"
    & skf18("4","7","1","4","8","1","1") = "7"
    & skf18("4","7","1","4","8","2","1") = "7"
    & skf18("4","7","1","4","8","3","1") = "7"
    & skf18("4","7","1","4","8","4","1") = "7"
    & skf18("4","7","1","4","8","5","1") = "7"
    & skf18("4","7","1","4","8","6","1") = "7"
    & skf18("4","7","1","4","8","7","1") = "7"
    & skf18("4","7","1","4","8","8","1") = "7"
    & skf18("4","7","1","4","8","9","1") = "8"
    & skf18("4","7","1","4","8","10","1") = "9"
    & skf18("4","7","1","4","9","1","1") = "8"
    & skf18("4","7","1","4","9","2","1") = "8"
    & skf18("4","7","1","4","9","3","1") = "8"
    & skf18("4","7","1","4","9","4","1") = "8"
    & skf18("4","7","1","4","9","5","1") = "8"
    & skf18("4","7","1","4","9","6","1") = "8"
    & skf18("4","7","1","4","9","7","1") = "8"
    & skf18("4","7","1","4","9","8","1") = "8"
    & skf18("4","7","1","4","9","9","1") = "8"
    & skf18("4","7","1","4","9","10","1") = "9"
    & skf18("4","7","1","4","10","1","1") = "9"
    & skf18("4","7","1","4","10","2","1") = "9"
    & skf18("4","7","1","4","10","3","1") = "9"
    & skf18("4","7","1","4","10","4","1") = "9"
    & skf18("4","7","1","4","10","5","1") = "9"
    & skf18("4","7","1","4","10","6","1") = "9"
    & skf18("4","7","1","4","10","7","1") = "9"
    & skf18("4","7","1","4","10","8","1") = "9"
    & skf18("4","7","1","4","10","9","1") = "9"
    & skf18("4","7","1","4","10","10","1") = "9"
    & skf18("4","7","1","5","1","1","1") = "6"
    & skf18("4","7","1","5","1","2","1") = "6"
    & skf18("4","7","1","5","1","3","1") = "6"
    & skf18("4","7","1","5","1","4","1") = "6"
    & skf18("4","7","1","5","1","5","1") = "6"
    & skf18("4","7","1","5","1","6","1") = "6"
    & skf18("4","7","1","5","1","7","1") = "6"
    & skf18("4","7","1","5","1","8","1") = "7"
    & skf18("4","7","1","5","1","9","1") = "8"
    & skf18("4","7","1","5","1","10","1") = "9"
    & skf18("4","7","1","5","2","1","1") = "6"
    & skf18("4","7","1","5","2","2","1") = "6"
    & skf18("4","7","1","5","2","3","1") = "6"
    & skf18("4","7","1","5","2","4","1") = "6"
    & skf18("4","7","1","5","2","5","1") = "6"
    & skf18("4","7","1","5","2","6","1") = "6"
    & skf18("4","7","1","5","2","7","1") = "6"
    & skf18("4","7","1","5","2","8","1") = "7"
    & skf18("4","7","1","5","2","9","1") = "8"
    & skf18("4","7","1","5","2","10","1") = "9"
    & skf18("4","7","1","5","3","1","1") = "6"
    & skf18("4","7","1","5","3","2","1") = "6"
    & skf18("4","7","1","5","3","3","1") = "6"
    & skf18("4","7","1","5","3","4","1") = "6"
    & skf18("4","7","1","5","3","5","1") = "6"
    & skf18("4","7","1","5","3","6","1") = "6"
    & skf18("4","7","1","5","3","7","1") = "6"
    & skf18("4","7","1","5","3","8","1") = "7"
    & skf18("4","7","1","5","3","9","1") = "8"
    & skf18("4","7","1","5","3","10","1") = "9"
    & skf18("4","7","1","5","4","1","1") = "6"
    & skf18("4","7","1","5","4","2","1") = "6"
    & skf18("4","7","1","5","4","3","1") = "6"
    & skf18("4","7","1","5","4","4","1") = "6"
    & skf18("4","7","1","5","4","5","1") = "6"
    & skf18("4","7","1","5","4","6","1") = "6"
    & skf18("4","7","1","5","4","7","1") = "6"
    & skf18("4","7","1","5","4","8","1") = "7"
    & skf18("4","7","1","5","4","9","1") = "8"
    & skf18("4","7","1","5","4","10","1") = "9"
    & skf18("4","7","1","5","5","1","1") = "6"
    & skf18("4","7","1","5","5","2","1") = "6"
    & skf18("4","7","1","5","5","3","1") = "6"
    & skf18("4","7","1","5","5","4","1") = "6"
    & skf18("4","7","1","5","5","5","1") = "6"
    & skf18("4","7","1","5","5","6","1") = "6"
    & skf18("4","7","1","5","5","7","1") = "6"
    & skf18("4","7","1","5","5","8","1") = "7"
    & skf18("4","7","1","5","5","9","1") = "8"
    & skf18("4","7","1","5","5","10","1") = "9"
    & skf18("4","7","1","5","6","1","1") = "6"
    & skf18("4","7","1","5","6","2","1") = "6"
    & skf18("4","7","1","5","6","3","1") = "6"
    & skf18("4","7","1","5","6","4","1") = "6"
    & skf18("4","7","1","5","6","5","1") = "6"
    & skf18("4","7","1","5","6","6","1") = "6"
    & skf18("4","7","1","5","6","7","1") = "6"
    & skf18("4","7","1","5","6","8","1") = "7"
    & skf18("4","7","1","5","6","9","1") = "8"
    & skf18("4","7","1","5","6","10","1") = "9"
    & skf18("4","7","1","5","7","1","1") = "6"
    & skf18("4","7","1","5","7","2","1") = "6"
    & skf18("4","7","1","5","7","3","1") = "6"
    & skf18("4","7","1","5","7","4","1") = "6"
    & skf18("4","7","1","5","7","5","1") = "6"
    & skf18("4","7","1","5","7","6","1") = "6"
    & skf18("4","7","1","5","7","7","1") = "6"
    & skf18("4","7","1","5","7","8","1") = "7"
    & skf18("4","7","1","5","7","9","1") = "8"
    & skf18("4","7","1","5","7","10","1") = "9"
    & skf18("4","7","1","5","8","1","1") = "7"
    & skf18("4","7","1","5","8","2","1") = "7"
    & skf18("4","7","1","5","8","3","1") = "7"
    & skf18("4","7","1","5","8","4","1") = "7"
    & skf18("4","7","1","5","8","5","1") = "7"
    & skf18("4","7","1","5","8","6","1") = "7"
    & skf18("4","7","1","5","8","7","1") = "7"
    & skf18("4","7","1","5","8","8","1") = "7"
    & skf18("4","7","1","5","8","9","1") = "8"
    & skf18("4","7","1","5","8","10","1") = "9"
    & skf18("4","7","1","5","9","1","1") = "8"
    & skf18("4","7","1","5","9","2","1") = "8"
    & skf18("4","7","1","5","9","3","1") = "8"
    & skf18("4","7","1","5","9","4","1") = "8"
    & skf18("4","7","1","5","9","5","1") = "8"
    & skf18("4","7","1","5","9","6","1") = "8"
    & skf18("4","7","1","5","9","7","1") = "8"
    & skf18("4","7","1","5","9","8","1") = "8"
    & skf18("4","7","1","5","9","9","1") = "8"
    & skf18("4","7","1","5","9","10","1") = "9"
    & skf18("4","7","1","5","10","1","1") = "9"
    & skf18("4","7","1","5","10","2","1") = "9"
    & skf18("4","7","1","5","10","3","1") = "9"
    & skf18("4","7","1","5","10","4","1") = "9"
    & skf18("4","7","1","5","10","5","1") = "9"
    & skf18("4","7","1","5","10","6","1") = "9"
    & skf18("4","7","1","5","10","7","1") = "9"
    & skf18("4","7","1","5","10","8","1") = "9"
    & skf18("4","7","1","5","10","9","1") = "9"
    & skf18("4","7","1","5","10","10","1") = "9"
    & skf18("4","7","1","6","1","1","1") = "6"
    & skf18("4","7","1","6","1","2","1") = "6"
    & skf18("4","7","1","6","1","3","1") = "6"
    & skf18("4","7","1","6","1","4","1") = "6"
    & skf18("4","7","1","6","1","5","1") = "6"
    & skf18("4","7","1","6","1","6","1") = "6"
    & skf18("4","7","1","6","1","7","1") = "6"
    & skf18("4","7","1","6","1","8","1") = "7"
    & skf18("4","7","1","6","1","9","1") = "8"
    & skf18("4","7","1","6","1","10","1") = "9"
    & skf18("4","7","1","6","2","1","1") = "6"
    & skf18("4","7","1","6","2","2","1") = "6"
    & skf18("4","7","1","6","2","3","1") = "6"
    & skf18("4","7","1","6","2","4","1") = "6"
    & skf18("4","7","1","6","2","5","1") = "6"
    & skf18("4","7","1","6","2","6","1") = "6"
    & skf18("4","7","1","6","2","7","1") = "6"
    & skf18("4","7","1","6","2","8","1") = "7"
    & skf18("4","7","1","6","2","9","1") = "8"
    & skf18("4","7","1","6","2","10","1") = "9"
    & skf18("4","7","1","6","3","1","1") = "6"
    & skf18("4","7","1","6","3","2","1") = "6"
    & skf18("4","7","1","6","3","3","1") = "6"
    & skf18("4","7","1","6","3","4","1") = "6"
    & skf18("4","7","1","6","3","5","1") = "6"
    & skf18("4","7","1","6","3","6","1") = "6"
    & skf18("4","7","1","6","3","7","1") = "6"
    & skf18("4","7","1","6","3","8","1") = "7"
    & skf18("4","7","1","6","3","9","1") = "8"
    & skf18("4","7","1","6","3","10","1") = "9"
    & skf18("4","7","1","6","4","1","1") = "6"
    & skf18("4","7","1","6","4","2","1") = "6"
    & skf18("4","7","1","6","4","3","1") = "6"
    & skf18("4","7","1","6","4","4","1") = "6"
    & skf18("4","7","1","6","4","5","1") = "6"
    & skf18("4","7","1","6","4","6","1") = "6"
    & skf18("4","7","1","6","4","7","1") = "6"
    & skf18("4","7","1","6","4","8","1") = "7"
    & skf18("4","7","1","6","4","9","1") = "8"
    & skf18("4","7","1","6","4","10","1") = "9"
    & skf18("4","7","1","6","5","1","1") = "6"
    & skf18("4","7","1","6","5","2","1") = "6"
    & skf18("4","7","1","6","5","3","1") = "6"
    & skf18("4","7","1","6","5","4","1") = "6"
    & skf18("4","7","1","6","5","5","1") = "6"
    & skf18("4","7","1","6","5","6","1") = "6"
    & skf18("4","7","1","6","5","7","1") = "6"
    & skf18("4","7","1","6","5","8","1") = "7"
    & skf18("4","7","1","6","5","9","1") = "8"
    & skf18("4","7","1","6","5","10","1") = "9"
    & skf18("4","7","1","6","6","1","1") = "6"
    & skf18("4","7","1","6","6","2","1") = "6"
    & skf18("4","7","1","6","6","3","1") = "6"
    & skf18("4","7","1","6","6","4","1") = "6"
    & skf18("4","7","1","6","6","5","1") = "6"
    & skf18("4","7","1","6","6","6","1") = "6"
    & skf18("4","7","1","6","6","7","1") = "6"
    & skf18("4","7","1","6","6","8","1") = "7"
    & skf18("4","7","1","6","6","9","1") = "8"
    & skf18("4","7","1","6","6","10","1") = "9"
    & skf18("4","7","1","6","7","1","1") = "6"
    & skf18("4","7","1","6","7","2","1") = "6"
    & skf18("4","7","1","6","7","3","1") = "6"
    & skf18("4","7","1","6","7","4","1") = "6"
    & skf18("4","7","1","6","7","5","1") = "6"
    & skf18("4","7","1","6","7","6","1") = "6"
    & skf18("4","7","1","6","7","7","1") = "6"
    & skf18("4","7","1","6","7","8","1") = "7"
    & skf18("4","7","1","6","7","9","1") = "8"
    & skf18("4","7","1","6","7","10","1") = "9"
    & skf18("4","7","1","6","8","1","1") = "7"
    & skf18("4","7","1","6","8","2","1") = "7"
    & skf18("4","7","1","6","8","3","1") = "7"
    & skf18("4","7","1","6","8","4","1") = "7"
    & skf18("4","7","1","6","8","5","1") = "7"
    & skf18("4","7","1","6","8","6","1") = "7"
    & skf18("4","7","1","6","8","7","1") = "7"
    & skf18("4","7","1","6","8","8","1") = "7"
    & skf18("4","7","1","6","8","9","1") = "8"
    & skf18("4","7","1","6","8","10","1") = "9"
    & skf18("4","7","1","6","9","1","1") = "8"
    & skf18("4","7","1","6","9","2","1") = "8"
    & skf18("4","7","1","6","9","3","1") = "8"
    & skf18("4","7","1","6","9","4","1") = "8"
    & skf18("4","7","1","6","9","5","1") = "8"
    & skf18("4","7","1","6","9","6","1") = "8"
    & skf18("4","7","1","6","9","7","1") = "8"
    & skf18("4","7","1","6","9","8","1") = "8"
    & skf18("4","7","1","6","9","9","1") = "8"
    & skf18("4","7","1","6","9","10","1") = "9"
    & skf18("4","7","1","6","10","1","1") = "9"
    & skf18("4","7","1","6","10","2","1") = "9"
    & skf18("4","7","1","6","10","3","1") = "9"
    & skf18("4","7","1","6","10","4","1") = "9"
    & skf18("4","7","1","6","10","5","1") = "9"
    & skf18("4","7","1","6","10","6","1") = "9"
    & skf18("4","7","1","6","10","7","1") = "9"
    & skf18("4","7","1","6","10","8","1") = "9"
    & skf18("4","7","1","6","10","9","1") = "9"
    & skf18("4","7","1","6","10","10","1") = "9"
    & skf18("4","7","1","7","1","1","1") = "6"
    & skf18("4","7","1","7","1","2","1") = "6"
    & skf18("4","7","1","7","1","3","1") = "6"
    & skf18("4","7","1","7","1","4","1") = "6"
    & skf18("4","7","1","7","1","5","1") = "6"
    & skf18("4","7","1","7","1","6","1") = "6"
    & skf18("4","7","1","7","1","7","1") = "6"
    & skf18("4","7","1","7","1","8","1") = "7"
    & skf18("4","7","1","7","1","9","1") = "8"
    & skf18("4","7","1","7","1","10","1") = "9"
    & skf18("4","7","1","7","2","1","1") = "6"
    & skf18("4","7","1","7","2","2","1") = "6"
    & skf18("4","7","1","7","2","3","1") = "6"
    & skf18("4","7","1","7","2","4","1") = "6"
    & skf18("4","7","1","7","2","5","1") = "6"
    & skf18("4","7","1","7","2","6","1") = "6"
    & skf18("4","7","1","7","2","7","1") = "6"
    & skf18("4","7","1","7","2","8","1") = "7"
    & skf18("4","7","1","7","2","9","1") = "8"
    & skf18("4","7","1","7","2","10","1") = "9"
    & skf18("4","7","1","7","3","1","1") = "6"
    & skf18("4","7","1","7","3","2","1") = "6"
    & skf18("4","7","1","7","3","3","1") = "6"
    & skf18("4","7","1","7","3","4","1") = "6"
    & skf18("4","7","1","7","3","5","1") = "6"
    & skf18("4","7","1","7","3","6","1") = "6"
    & skf18("4","7","1","7","3","7","1") = "6"
    & skf18("4","7","1","7","3","8","1") = "7"
    & skf18("4","7","1","7","3","9","1") = "8"
    & skf18("4","7","1","7","3","10","1") = "9"
    & skf18("4","7","1","7","4","1","1") = "6"
    & skf18("4","7","1","7","4","2","1") = "6"
    & skf18("4","7","1","7","4","3","1") = "6"
    & skf18("4","7","1","7","4","4","1") = "6"
    & skf18("4","7","1","7","4","5","1") = "6"
    & skf18("4","7","1","7","4","6","1") = "6"
    & skf18("4","7","1","7","4","7","1") = "6"
    & skf18("4","7","1","7","4","8","1") = "7"
    & skf18("4","7","1","7","4","9","1") = "8"
    & skf18("4","7","1","7","4","10","1") = "9"
    & skf18("4","7","1","7","5","1","1") = "6"
    & skf18("4","7","1","7","5","2","1") = "6"
    & skf18("4","7","1","7","5","3","1") = "6"
    & skf18("4","7","1","7","5","4","1") = "6"
    & skf18("4","7","1","7","5","5","1") = "6"
    & skf18("4","7","1","7","5","6","1") = "6"
    & skf18("4","7","1","7","5","7","1") = "6"
    & skf18("4","7","1","7","5","8","1") = "7"
    & skf18("4","7","1","7","5","9","1") = "8"
    & skf18("4","7","1","7","5","10","1") = "9"
    & skf18("4","7","1","7","6","1","1") = "6"
    & skf18("4","7","1","7","6","2","1") = "6"
    & skf18("4","7","1","7","6","3","1") = "6"
    & skf18("4","7","1","7","6","4","1") = "6"
    & skf18("4","7","1","7","6","5","1") = "6"
    & skf18("4","7","1","7","6","6","1") = "6"
    & skf18("4","7","1","7","6","7","1") = "6"
    & skf18("4","7","1","7","6","8","1") = "7"
    & skf18("4","7","1","7","6","9","1") = "8"
    & skf18("4","7","1","7","6","10","1") = "9"
    & skf18("4","7","1","7","7","1","1") = "6"
    & skf18("4","7","1","7","7","2","1") = "6"
    & skf18("4","7","1","7","7","3","1") = "6"
    & skf18("4","7","1","7","7","4","1") = "6"
    & skf18("4","7","1","7","7","5","1") = "6"
    & skf18("4","7","1","7","7","6","1") = "6"
    & skf18("4","7","1","7","7","7","1") = "6"
    & skf18("4","7","1","7","7","8","1") = "7"
    & skf18("4","7","1","7","7","9","1") = "8"
    & skf18("4","7","1","7","7","10","1") = "9"
    & skf18("4","7","1","7","8","1","1") = "7"
    & skf18("4","7","1","7","8","2","1") = "7"
    & skf18("4","7","1","7","8","3","1") = "7"
    & skf18("4","7","1","7","8","4","1") = "7"
    & skf18("4","7","1","7","8","5","1") = "7"
    & skf18("4","7","1","7","8","6","1") = "7"
    & skf18("4","7","1","7","8","7","1") = "7"
    & skf18("4","7","1","7","8","8","1") = "7"
    & skf18("4","7","1","7","8","9","1") = "8"
    & skf18("4","7","1","7","8","10","1") = "9"
    & skf18("4","7","1","7","9","1","1") = "8"
    & skf18("4","7","1","7","9","2","1") = "8"
    & skf18("4","7","1","7","9","3","1") = "8"
    & skf18("4","7","1","7","9","4","1") = "8"
    & skf18("4","7","1","7","9","5","1") = "8"
    & skf18("4","7","1","7","9","6","1") = "8"
    & skf18("4","7","1","7","9","7","1") = "8"
    & skf18("4","7","1","7","9","8","1") = "8"
    & skf18("4","7","1","7","9","9","1") = "8"
    & skf18("4","7","1","7","9","10","1") = "9"
    & skf18("4","7","1","7","10","1","1") = "9"
    & skf18("4","7","1","7","10","2","1") = "9"
    & skf18("4","7","1","7","10","3","1") = "9"
    & skf18("4","7","1","7","10","4","1") = "9"
    & skf18("4","7","1","7","10","5","1") = "9"
    & skf18("4","7","1","7","10","6","1") = "9"
    & skf18("4","7","1","7","10","7","1") = "9"
    & skf18("4","7","1","7","10","8","1") = "9"
    & skf18("4","7","1","7","10","9","1") = "9"
    & skf18("4","7","1","7","10","10","1") = "9"
    & skf18("4","7","1","8","1","1","1") = "7"
    & skf18("4","7","1","8","1","2","1") = "7"
    & skf18("4","7","1","8","1","3","1") = "7"
    & skf18("4","7","1","8","1","4","1") = "7"
    & skf18("4","7","1","8","1","5","1") = "7"
    & skf18("4","7","1","8","1","6","1") = "7"
    & skf18("4","7","1","8","1","7","1") = "7"
    & skf18("4","7","1","8","1","8","1") = "7"
    & skf18("4","7","1","8","1","9","1") = "8"
    & skf18("4","7","1","8","1","10","1") = "9"
    & skf18("4","7","1","8","2","1","1") = "7"
    & skf18("4","7","1","8","2","2","1") = "7"
    & skf18("4","7","1","8","2","3","1") = "7"
    & skf18("4","7","1","8","2","4","1") = "7"
    & skf18("4","7","1","8","2","5","1") = "7"
    & skf18("4","7","1","8","2","6","1") = "7"
    & skf18("4","7","1","8","2","7","1") = "7"
    & skf18("4","7","1","8","2","8","1") = "7"
    & skf18("4","7","1","8","2","9","1") = "8"
    & skf18("4","7","1","8","2","10","1") = "9"
    & skf18("4","7","1","8","3","1","1") = "7"
    & skf18("4","7","1","8","3","2","1") = "7"
    & skf18("4","7","1","8","3","3","1") = "7"
    & skf18("4","7","1","8","3","4","1") = "7"
    & skf18("4","7","1","8","3","5","1") = "7"
    & skf18("4","7","1","8","3","6","1") = "7"
    & skf18("4","7","1","8","3","7","1") = "7"
    & skf18("4","7","1","8","3","8","1") = "7"
    & skf18("4","7","1","8","3","9","1") = "8"
    & skf18("4","7","1","8","3","10","1") = "9"
    & skf18("4","7","1","8","4","1","1") = "7"
    & skf18("4","7","1","8","4","2","1") = "7"
    & skf18("4","7","1","8","4","3","1") = "7"
    & skf18("4","7","1","8","4","4","1") = "7"
    & skf18("4","7","1","8","4","5","1") = "7"
    & skf18("4","7","1","8","4","6","1") = "7"
    & skf18("4","7","1","8","4","7","1") = "7"
    & skf18("4","7","1","8","4","8","1") = "7"
    & skf18("4","7","1","8","4","9","1") = "8"
    & skf18("4","7","1","8","4","10","1") = "9"
    & skf18("4","7","1","8","5","1","1") = "7"
    & skf18("4","7","1","8","5","2","1") = "7"
    & skf18("4","7","1","8","5","3","1") = "7"
    & skf18("4","7","1","8","5","4","1") = "7"
    & skf18("4","7","1","8","5","5","1") = "7"
    & skf18("4","7","1","8","5","6","1") = "7"
    & skf18("4","7","1","8","5","7","1") = "7"
    & skf18("4","7","1","8","5","8","1") = "7"
    & skf18("4","7","1","8","5","9","1") = "8"
    & skf18("4","7","1","8","5","10","1") = "9"
    & skf18("4","7","1","8","6","1","1") = "7"
    & skf18("4","7","1","8","6","2","1") = "7"
    & skf18("4","7","1","8","6","3","1") = "7"
    & skf18("4","7","1","8","6","4","1") = "7"
    & skf18("4","7","1","8","6","5","1") = "7"
    & skf18("4","7","1","8","6","6","1") = "7"
    & skf18("4","7","1","8","6","7","1") = "7"
    & skf18("4","7","1","8","6","8","1") = "7"
    & skf18("4","7","1","8","6","9","1") = "8"
    & skf18("4","7","1","8","6","10","1") = "9"
    & skf18("4","7","1","8","7","1","1") = "7"
    & skf18("4","7","1","8","7","2","1") = "7"
    & skf18("4","7","1","8","7","3","1") = "7"
    & skf18("4","7","1","8","7","4","1") = "7"
    & skf18("4","7","1","8","7","5","1") = "7"
    & skf18("4","7","1","8","7","6","1") = "7"
    & skf18("4","7","1","8","7","7","1") = "7"
    & skf18("4","7","1","8","7","8","1") = "7"
    & skf18("4","7","1","8","7","9","1") = "8"
    & skf18("4","7","1","8","7","10","1") = "9"
    & skf18("4","7","1","8","8","1","1") = "7"
    & skf18("4","7","1","8","8","2","1") = "7"
    & skf18("4","7","1","8","8","3","1") = "7"
    & skf18("4","7","1","8","8","4","1") = "7"
    & skf18("4","7","1","8","8","5","1") = "7"
    & skf18("4","7","1","8","8","6","1") = "7"
    & skf18("4","7","1","8","8","7","1") = "7"
    & skf18("4","7","1","8","8","8","1") = "7"
    & skf18("4","7","1","8","8","9","1") = "8"
    & skf18("4","7","1","8","8","10","1") = "9"
    & skf18("4","7","1","8","9","1","1") = "8"
    & skf18("4","7","1","8","9","2","1") = "8"
    & skf18("4","7","1","8","9","3","1") = "8"
    & skf18("4","7","1","8","9","4","1") = "8"
    & skf18("4","7","1","8","9","5","1") = "8"
    & skf18("4","7","1","8","9","6","1") = "8"
    & skf18("4","7","1","8","9","7","1") = "8"
    & skf18("4","7","1","8","9","8","1") = "8"
    & skf18("4","7","1","8","9","9","1") = "8"
    & skf18("4","7","1","8","9","10","1") = "9"
    & skf18("4","7","1","8","10","1","1") = "9"
    & skf18("4","7","1","8","10","2","1") = "9"
    & skf18("4","7","1","8","10","3","1") = "9"
    & skf18("4","7","1","8","10","4","1") = "9"
    & skf18("4","7","1","8","10","5","1") = "9"
    & skf18("4","7","1","8","10","6","1") = "9"
    & skf18("4","7","1","8","10","7","1") = "9"
    & skf18("4","7","1","8","10","8","1") = "9"
    & skf18("4","7","1","8","10","9","1") = "9"
    & skf18("4","7","1","8","10","10","1") = "9"
    & skf18("4","7","1","9","1","1","1") = "8"
    & skf18("4","7","1","9","1","2","1") = "8"
    & skf18("4","7","1","9","1","3","1") = "8"
    & skf18("4","7","1","9","1","4","1") = "8"
    & skf18("4","7","1","9","1","5","1") = "8"
    & skf18("4","7","1","9","1","6","1") = "8"
    & skf18("4","7","1","9","1","7","1") = "8"
    & skf18("4","7","1","9","1","8","1") = "8"
    & skf18("4","7","1","9","1","9","1") = "8"
    & skf18("4","7","1","9","1","10","1") = "9"
    & skf18("4","7","1","9","2","1","1") = "8"
    & skf18("4","7","1","9","2","2","1") = "8"
    & skf18("4","7","1","9","2","3","1") = "8"
    & skf18("4","7","1","9","2","4","1") = "8"
    & skf18("4","7","1","9","2","5","1") = "8"
    & skf18("4","7","1","9","2","6","1") = "8"
    & skf18("4","7","1","9","2","7","1") = "8"
    & skf18("4","7","1","9","2","8","1") = "8"
    & skf18("4","7","1","9","2","9","1") = "8"
    & skf18("4","7","1","9","2","10","1") = "9"
    & skf18("4","7","1","9","3","1","1") = "8"
    & skf18("4","7","1","9","3","2","1") = "8"
    & skf18("4","7","1","9","3","3","1") = "8"
    & skf18("4","7","1","9","3","4","1") = "8"
    & skf18("4","7","1","9","3","5","1") = "8"
    & skf18("4","7","1","9","3","6","1") = "8"
    & skf18("4","7","1","9","3","7","1") = "8"
    & skf18("4","7","1","9","3","8","1") = "8"
    & skf18("4","7","1","9","3","9","1") = "8"
    & skf18("4","7","1","9","3","10","1") = "9"
    & skf18("4","7","1","9","4","1","1") = "8"
    & skf18("4","7","1","9","4","2","1") = "8"
    & skf18("4","7","1","9","4","3","1") = "8"
    & skf18("4","7","1","9","4","4","1") = "8"
    & skf18("4","7","1","9","4","5","1") = "8"
    & skf18("4","7","1","9","4","6","1") = "8"
    & skf18("4","7","1","9","4","7","1") = "8"
    & skf18("4","7","1","9","4","8","1") = "8"
    & skf18("4","7","1","9","4","9","1") = "8"
    & skf18("4","7","1","9","4","10","1") = "9"
    & skf18("4","7","1","9","5","1","1") = "8"
    & skf18("4","7","1","9","5","2","1") = "8"
    & skf18("4","7","1","9","5","3","1") = "8"
    & skf18("4","7","1","9","5","4","1") = "8"
    & skf18("4","7","1","9","5","5","1") = "8"
    & skf18("4","7","1","9","5","6","1") = "8"
    & skf18("4","7","1","9","5","7","1") = "8"
    & skf18("4","7","1","9","5","8","1") = "8"
    & skf18("4","7","1","9","5","9","1") = "8"
    & skf18("4","7","1","9","5","10","1") = "9"
    & skf18("4","7","1","9","6","1","1") = "8"
    & skf18("4","7","1","9","6","2","1") = "8"
    & skf18("4","7","1","9","6","3","1") = "8"
    & skf18("4","7","1","9","6","4","1") = "8"
    & skf18("4","7","1","9","6","5","1") = "8"
    & skf18("4","7","1","9","6","6","1") = "8"
    & skf18("4","7","1","9","6","7","1") = "8"
    & skf18("4","7","1","9","6","8","1") = "8"
    & skf18("4","7","1","9","6","9","1") = "8"
    & skf18("4","7","1","9","6","10","1") = "9"
    & skf18("4","7","1","9","7","1","1") = "8"
    & skf18("4","7","1","9","7","2","1") = "8"
    & skf18("4","7","1","9","7","3","1") = "8"
    & skf18("4","7","1","9","7","4","1") = "8"
    & skf18("4","7","1","9","7","5","1") = "8"
    & skf18("4","7","1","9","7","6","1") = "8"
    & skf18("4","7","1","9","7","7","1") = "8"
    & skf18("4","7","1","9","7","8","1") = "8"
    & skf18("4","7","1","9","7","9","1") = "8"
    & skf18("4","7","1","9","7","10","1") = "9"
    & skf18("4","7","1","9","8","1","1") = "8"
    & skf18("4","7","1","9","8","2","1") = "8"
    & skf18("4","7","1","9","8","3","1") = "8"
    & skf18("4","7","1","9","8","4","1") = "8"
    & skf18("4","7","1","9","8","5","1") = "8"
    & skf18("4","7","1","9","8","6","1") = "8"
    & skf18("4","7","1","9","8","7","1") = "8"
    & skf18("4","7","1","9","8","8","1") = "8"
    & skf18("4","7","1","9","8","9","1") = "8"
    & skf18("4","7","1","9","8","10","1") = "9"
    & skf18("4","7","1","9","9","1","1") = "8"
    & skf18("4","7","1","9","9","2","1") = "8"
    & skf18("4","7","1","9","9","3","1") = "8"
    & skf18("4","7","1","9","9","4","1") = "8"
    & skf18("4","7","1","9","9","5","1") = "8"
    & skf18("4","7","1","9","9","6","1") = "8"
    & skf18("4","7","1","9","9","7","1") = "8"
    & skf18("4","7","1","9","9","8","1") = "8"
    & skf18("4","7","1","9","9","9","1") = "8"
    & skf18("4","7","1","9","9","10","1") = "9"
    & skf18("4","7","1","9","10","1","1") = "9"
    & skf18("4","7","1","9","10","2","1") = "9"
    & skf18("4","7","1","9","10","3","1") = "9"
    & skf18("4","7","1","9","10","4","1") = "9"
    & skf18("4","7","1","9","10","5","1") = "9"
    & skf18("4","7","1","9","10","6","1") = "9"
    & skf18("4","7","1","9","10","7","1") = "9"
    & skf18("4","7","1","9","10","8","1") = "9"
    & skf18("4","7","1","9","10","9","1") = "9"
    & skf18("4","7","1","9","10","10","1") = "9"
    & skf18("4","7","1","10","1","1","1") = "9"
    & skf18("4","7","1","10","1","2","1") = "9"
    & skf18("4","7","1","10","1","3","1") = "9"
    & skf18("4","7","1","10","1","4","1") = "9"
    & skf18("4","7","1","10","1","5","1") = "9"
    & skf18("4","7","1","10","1","6","1") = "9"
    & skf18("4","7","1","10","1","7","1") = "9"
    & skf18("4","7","1","10","1","8","1") = "9"
    & skf18("4","7","1","10","1","9","1") = "9"
    & skf18("4","7","1","10","1","10","1") = "9"
    & skf18("4","7","1","10","2","1","1") = "9"
    & skf18("4","7","1","10","2","2","1") = "9"
    & skf18("4","7","1","10","2","3","1") = "9"
    & skf18("4","7","1","10","2","4","1") = "9"
    & skf18("4","7","1","10","2","5","1") = "9"
    & skf18("4","7","1","10","2","6","1") = "9"
    & skf18("4","7","1","10","2","7","1") = "9"
    & skf18("4","7","1","10","2","8","1") = "9"
    & skf18("4","7","1","10","2","9","1") = "9"
    & skf18("4","7","1","10","2","10","1") = "9"
    & skf18("4","7","1","10","3","1","1") = "9"
    & skf18("4","7","1","10","3","2","1") = "9"
    & skf18("4","7","1","10","3","3","1") = "9"
    & skf18("4","7","1","10","3","4","1") = "9"
    & skf18("4","7","1","10","3","5","1") = "9"
    & skf18("4","7","1","10","3","6","1") = "9"
    & skf18("4","7","1","10","3","7","1") = "9"
    & skf18("4","7","1","10","3","8","1") = "9"
    & skf18("4","7","1","10","3","9","1") = "9"
    & skf18("4","7","1","10","3","10","1") = "9"
    & skf18("4","7","1","10","4","1","1") = "9"
    & skf18("4","7","1","10","4","2","1") = "9"
    & skf18("4","7","1","10","4","3","1") = "9"
    & skf18("4","7","1","10","4","4","1") = "9"
    & skf18("4","7","1","10","4","5","1") = "9"
    & skf18("4","7","1","10","4","6","1") = "9"
    & skf18("4","7","1","10","4","7","1") = "9"
    & skf18("4","7","1","10","4","8","1") = "9"
    & skf18("4","7","1","10","4","9","1") = "9"
    & skf18("4","7","1","10","4","10","1") = "9"
    & skf18("4","7","1","10","5","1","1") = "9"
    & skf18("4","7","1","10","5","2","1") = "9"
    & skf18("4","7","1","10","5","3","1") = "9"
    & skf18("4","7","1","10","5","4","1") = "9"
    & skf18("4","7","1","10","5","5","1") = "9"
    & skf18("4","7","1","10","5","6","1") = "9"
    & skf18("4","7","1","10","5","7","1") = "9"
    & skf18("4","7","1","10","5","8","1") = "9"
    & skf18("4","7","1","10","5","9","1") = "9"
    & skf18("4","7","1","10","5","10","1") = "9"
    & skf18("4","7","1","10","6","1","1") = "9"
    & skf18("4","7","1","10","6","2","1") = "9"
    & skf18("4","7","1","10","6","3","1") = "9"
    & skf18("4","7","1","10","6","4","1") = "9"
    & skf18("4","7","1","10","6","5","1") = "9"
    & skf18("4","7","1","10","6","6","1") = "9"
    & skf18("4","7","1","10","6","7","1") = "9"
    & skf18("4","7","1","10","6","8","1") = "9"
    & skf18("4","7","1","10","6","9","1") = "9"
    & skf18("4","7","1","10","6","10","1") = "9"
    & skf18("4","7","1","10","7","1","1") = "9"
    & skf18("4","7","1","10","7","2","1") = "9"
    & skf18("4","7","1","10","7","3","1") = "9"
    & skf18("4","7","1","10","7","4","1") = "9"
    & skf18("4","7","1","10","7","5","1") = "9"
    & skf18("4","7","1","10","7","6","1") = "9"
    & skf18("4","7","1","10","7","7","1") = "9"
    & skf18("4","7","1","10","7","8","1") = "9"
    & skf18("4","7","1","10","7","9","1") = "9"
    & skf18("4","7","1","10","7","10","1") = "9"
    & skf18("4","7","1","10","8","1","1") = "9"
    & skf18("4","7","1","10","8","2","1") = "9"
    & skf18("4","7","1","10","8","3","1") = "9"
    & skf18("4","7","1","10","8","4","1") = "9"
    & skf18("4","7","1","10","8","5","1") = "9"
    & skf18("4","7","1","10","8","6","1") = "9"
    & skf18("4","7","1","10","8","7","1") = "9"
    & skf18("4","7","1","10","8","8","1") = "9"
    & skf18("4","7","1","10","8","9","1") = "9"
    & skf18("4","7","1","10","8","10","1") = "9"
    & skf18("4","7","1","10","9","1","1") = "9"
    & skf18("4","7","1","10","9","2","1") = "9"
    & skf18("4","7","1","10","9","3","1") = "9"
    & skf18("4","7","1","10","9","4","1") = "9"
    & skf18("4","7","1","10","9","5","1") = "9"
    & skf18("4","7","1","10","9","6","1") = "9"
    & skf18("4","7","1","10","9","7","1") = "9"
    & skf18("4","7","1","10","9","8","1") = "9"
    & skf18("4","7","1","10","9","9","1") = "9"
    & skf18("4","7","1","10","9","10","1") = "9"
    & skf18("4","7","1","10","10","1","1") = "9"
    & skf18("4","7","1","10","10","2","1") = "9"
    & skf18("4","7","1","10","10","3","1") = "9"
    & skf18("4","7","1","10","10","4","1") = "9"
    & skf18("4","7","1","10","10","5","1") = "9"
    & skf18("4","7","1","10","10","6","1") = "9"
    & skf18("4","7","1","10","10","7","1") = "9"
    & skf18("4","7","1","10","10","8","1") = "9"
    & skf18("4","7","1","10","10","9","1") = "9"
    & skf18("4","7","1","10","10","10","1") = "9"
    & skf18("4","7","2","1","1","1","1") = "6"
    & skf18("4","7","2","1","1","2","1") = "6"
    & skf18("4","7","2","1","1","3","1") = "6"
    & skf18("4","7","2","1","1","4","1") = "6"
    & skf18("4","7","2","1","1","5","1") = "6"
    & skf18("4","7","2","1","1","6","1") = "6"
    & skf18("4","7","2","1","1","7","1") = "6"
    & skf18("4","7","2","1","1","8","1") = "7"
    & skf18("4","7","2","1","1","9","1") = "8"
    & skf18("4","7","2","1","1","10","1") = "9"
    & skf18("4","7","2","1","2","1","1") = "6"
    & skf18("4","7","2","1","2","2","1") = "6"
    & skf18("4","7","2","1","2","3","1") = "6"
    & skf18("4","7","2","1","2","4","1") = "6"
    & skf18("4","7","2","1","2","5","1") = "6"
    & skf18("4","7","2","1","2","6","1") = "6"
    & skf18("4","7","2","1","2","7","1") = "6"
    & skf18("4","7","2","1","2","8","1") = "7"
    & skf18("4","7","2","1","2","9","1") = "8"
    & skf18("4","7","2","1","2","10","1") = "9"
    & skf18("4","7","2","1","3","1","1") = "6"
    & skf18("4","7","2","1","3","2","1") = "6"
    & skf18("4","7","2","1","3","3","1") = "6"
    & skf18("4","7","2","1","3","4","1") = "6"
    & skf18("4","7","2","1","3","5","1") = "6"
    & skf18("4","7","2","1","3","6","1") = "6"
    & skf18("4","7","2","1","3","7","1") = "6"
    & skf18("4","7","2","1","3","8","1") = "7"
    & skf18("4","7","2","1","3","9","1") = "8"
    & skf18("4","7","2","1","3","10","1") = "9"
    & skf18("4","7","2","1","4","1","1") = "6"
    & skf18("4","7","2","1","4","2","1") = "6"
    & skf18("4","7","2","1","4","3","1") = "6"
    & skf18("4","7","2","1","4","4","1") = "6"
    & skf18("4","7","2","1","4","5","1") = "6"
    & skf18("4","7","2","1","4","6","1") = "6"
    & skf18("4","7","2","1","4","7","1") = "6"
    & skf18("4","7","2","1","4","8","1") = "7"
    & skf18("4","7","2","1","4","9","1") = "8"
    & skf18("4","7","2","1","4","10","1") = "9"
    & skf18("4","7","2","1","5","1","1") = "6"
    & skf18("4","7","2","1","5","2","1") = "6"
    & skf18("4","7","2","1","5","3","1") = "6"
    & skf18("4","7","2","1","5","4","1") = "6"
    & skf18("4","7","2","1","5","5","1") = "6"
    & skf18("4","7","2","1","5","6","1") = "6"
    & skf18("4","7","2","1","5","7","1") = "6"
    & skf18("4","7","2","1","5","8","1") = "7"
    & skf18("4","7","2","1","5","9","1") = "8"
    & skf18("4","7","2","1","5","10","1") = "9"
    & skf18("4","7","2","1","6","1","1") = "6"
    & skf18("4","7","2","1","6","2","1") = "6"
    & skf18("4","7","2","1","6","3","1") = "6"
    & skf18("4","7","2","1","6","4","1") = "6"
    & skf18("4","7","2","1","6","5","1") = "6"
    & skf18("4","7","2","1","6","6","1") = "6"
    & skf18("4","7","2","1","6","7","1") = "6"
    & skf18("4","7","2","1","6","8","1") = "7"
    & skf18("4","7","2","1","6","9","1") = "8"
    & skf18("4","7","2","1","6","10","1") = "9"
    & skf18("4","7","2","1","7","1","1") = "6"
    & skf18("4","7","2","1","7","2","1") = "6"
    & skf18("4","7","2","1","7","3","1") = "6"
    & skf18("4","7","2","1","7","4","1") = "6"
    & skf18("4","7","2","1","7","5","1") = "6"
    & skf18("4","7","2","1","7","6","1") = "6"
    & skf18("4","7","2","1","7","7","1") = "6"
    & skf18("4","7","2","1","7","8","1") = "7"
    & skf18("4","7","2","1","7","9","1") = "8"
    & skf18("4","7","2","1","7","10","1") = "9"
    & skf18("4","7","2","1","8","1","1") = "7"
    & skf18("4","7","2","1","8","2","1") = "7"
    & skf18("4","7","2","1","8","3","1") = "7"
    & skf18("4","7","2","1","8","4","1") = "7"
    & skf18("4","7","2","1","8","5","1") = "7"
    & skf18("4","7","2","1","8","6","1") = "7"
    & skf18("4","7","2","1","8","7","1") = "7"
    & skf18("4","7","2","1","8","8","1") = "7"
    & skf18("4","7","2","1","8","9","1") = "8"
    & skf18("4","7","2","1","8","10","1") = "9"
    & skf18("4","7","2","1","9","1","1") = "8"
    & skf18("4","7","2","1","9","2","1") = "8"
    & skf18("4","7","2","1","9","3","1") = "8"
    & skf18("4","7","2","1","9","4","1") = "8"
    & skf18("4","7","2","1","9","5","1") = "8"
    & skf18("4","7","2","1","9","6","1") = "8"
    & skf18("4","7","2","1","9","7","1") = "8"
    & skf18("4","7","2","1","9","8","1") = "8"
    & skf18("4","7","2","1","9","9","1") = "8"
    & skf18("4","7","2","1","9","10","1") = "9"
    & skf18("4","7","2","1","10","1","1") = "9"
    & skf18("4","7","2","1","10","2","1") = "9"
    & skf18("4","7","2","1","10","3","1") = "9"
    & skf18("4","7","2","1","10","4","1") = "9"
    & skf18("4","7","2","1","10","5","1") = "9"
    & skf18("4","7","2","1","10","6","1") = "9"
    & skf18("4","7","2","1","10","7","1") = "9"
    & skf18("4","7","2","1","10","8","1") = "9"
    & skf18("4","7","2","1","10","9","1") = "9"
    & skf18("4","7","2","1","10","10","1") = "9"
    & skf18("4","7","2","2","1","1","1") = "6"
    & skf18("4","7","2","2","1","2","1") = "6"
    & skf18("4","7","2","2","1","3","1") = "6"
    & skf18("4","7","2","2","1","4","1") = "6"
    & skf18("4","7","2","2","1","5","1") = "6"
    & skf18("4","7","2","2","1","6","1") = "6"
    & skf18("4","7","2","2","1","7","1") = "6"
    & skf18("4","7","2","2","1","8","1") = "7"
    & skf18("4","7","2","2","1","9","1") = "8"
    & skf18("4","7","2","2","1","10","1") = "9"
    & skf18("4","7","2","2","2","1","1") = "6"
    & skf18("4","7","2","2","2","2","1") = "6"
    & skf18("4","7","2","2","2","3","1") = "6"
    & skf18("4","7","2","2","2","4","1") = "6"
    & skf18("4","7","2","2","2","5","1") = "6"
    & skf18("4","7","2","2","2","6","1") = "6"
    & skf18("4","7","2","2","2","7","1") = "6"
    & skf18("4","7","2","2","2","8","1") = "7"
    & skf18("4","7","2","2","2","9","1") = "8"
    & skf18("4","7","2","2","2","10","1") = "9"
    & skf18("4","7","2","2","3","1","1") = "6"
    & skf18("4","7","2","2","3","2","1") = "6"
    & skf18("4","7","2","2","3","3","1") = "6"
    & skf18("4","7","2","2","3","4","1") = "6"
    & skf18("4","7","2","2","3","5","1") = "6"
    & skf18("4","7","2","2","3","6","1") = "6"
    & skf18("4","7","2","2","3","7","1") = "6"
    & skf18("4","7","2","2","3","8","1") = "7"
    & skf18("4","7","2","2","3","9","1") = "8"
    & skf18("4","7","2","2","3","10","1") = "9"
    & skf18("4","7","2","2","4","1","1") = "6"
    & skf18("4","7","2","2","4","2","1") = "6"
    & skf18("4","7","2","2","4","3","1") = "6"
    & skf18("4","7","2","2","4","4","1") = "6"
    & skf18("4","7","2","2","4","5","1") = "6"
    & skf18("4","7","2","2","4","6","1") = "6"
    & skf18("4","7","2","2","4","7","1") = "6"
    & skf18("4","7","2","2","4","8","1") = "7"
    & skf18("4","7","2","2","4","9","1") = "8"
    & skf18("4","7","2","2","4","10","1") = "9"
    & skf18("4","7","2","2","5","1","1") = "6"
    & skf18("4","7","2","2","5","2","1") = "6"
    & skf18("4","7","2","2","5","3","1") = "6"
    & skf18("4","7","2","2","5","4","1") = "6"
    & skf18("4","7","2","2","5","5","1") = "6"
    & skf18("4","7","2","2","5","6","1") = "6"
    & skf18("4","7","2","2","5","7","1") = "6"
    & skf18("4","7","2","2","5","8","1") = "7"
    & skf18("4","7","2","2","5","9","1") = "8"
    & skf18("4","7","2","2","5","10","1") = "9"
    & skf18("4","7","2","2","6","1","1") = "6"
    & skf18("4","7","2","2","6","2","1") = "6"
    & skf18("4","7","2","2","6","3","1") = "6"
    & skf18("4","7","2","2","6","4","1") = "6"
    & skf18("4","7","2","2","6","5","1") = "6"
    & skf18("4","7","2","2","6","6","1") = "6"
    & skf18("4","7","2","2","6","7","1") = "6"
    & skf18("4","7","2","2","6","8","1") = "7"
    & skf18("4","7","2","2","6","9","1") = "8"
    & skf18("4","7","2","2","6","10","1") = "9"
    & skf18("4","7","2","2","7","1","1") = "6"
    & skf18("4","7","2","2","7","2","1") = "6"
    & skf18("4","7","2","2","7","3","1") = "6"
    & skf18("4","7","2","2","7","4","1") = "6"
    & skf18("4","7","2","2","7","5","1") = "6"
    & skf18("4","7","2","2","7","6","1") = "6"
    & skf18("4","7","2","2","7","7","1") = "6"
    & skf18("4","7","2","2","7","8","1") = "7"
    & skf18("4","7","2","2","7","9","1") = "8"
    & skf18("4","7","2","2","7","10","1") = "9"
    & skf18("4","7","2","2","8","1","1") = "7"
    & skf18("4","7","2","2","8","2","1") = "7"
    & skf18("4","7","2","2","8","3","1") = "7"
    & skf18("4","7","2","2","8","4","1") = "7"
    & skf18("4","7","2","2","8","5","1") = "7"
    & skf18("4","7","2","2","8","6","1") = "7"
    & skf18("4","7","2","2","8","7","1") = "7"
    & skf18("4","7","2","2","8","8","1") = "7"
    & skf18("4","7","2","2","8","9","1") = "8"
    & skf18("4","7","2","2","8","10","1") = "9"
    & skf18("4","7","2","2","9","1","1") = "8"
    & skf18("4","7","2","2","9","2","1") = "8"
    & skf18("4","7","2","2","9","3","1") = "8"
    & skf18("4","7","2","2","9","4","1") = "8"
    & skf18("4","7","2","2","9","5","1") = "8"
    & skf18("4","7","2","2","9","6","1") = "8"
    & skf18("4","7","2","2","9","7","1") = "8"
    & skf18("4","7","2","2","9","8","1") = "8"
    & skf18("4","7","2","2","9","9","1") = "8"
    & skf18("4","7","2","2","9","10","1") = "9"
    & skf18("4","7","2","2","10","1","1") = "9"
    & skf18("4","7","2","2","10","2","1") = "9"
    & skf18("4","7","2","2","10","3","1") = "9"
    & skf18("4","7","2","2","10","4","1") = "9"
    & skf18("4","7","2","2","10","5","1") = "9"
    & skf18("4","7","2","2","10","6","1") = "9"
    & skf18("4","7","2","2","10","7","1") = "9"
    & skf18("4","7","2","2","10","8","1") = "9"
    & skf18("4","7","2","2","10","9","1") = "9"
    & skf18("4","7","2","2","10","10","1") = "9"
    & skf18("4","7","2","3","1","1","1") = "6"
    & skf18("4","7","2","3","1","2","1") = "6"
    & skf18("4","7","2","3","1","3","1") = "6"
    & skf18("4","7","2","3","1","4","1") = "6"
    & skf18("4","7","2","3","1","5","1") = "6"
    & skf18("4","7","2","3","1","6","1") = "6"
    & skf18("4","7","2","3","1","7","1") = "6"
    & skf18("4","7","2","3","1","8","1") = "7"
    & skf18("4","7","2","3","1","9","1") = "8"
    & skf18("4","7","2","3","1","10","1") = "9"
    & skf18("4","7","2","3","2","1","1") = "6"
    & skf18("4","7","2","3","2","2","1") = "6"
    & skf18("4","7","2","3","2","3","1") = "6"
    & skf18("4","7","2","3","2","4","1") = "6"
    & skf18("4","7","2","3","2","5","1") = "6"
    & skf18("4","7","2","3","2","6","1") = "6"
    & skf18("4","7","2","3","2","7","1") = "6"
    & skf18("4","7","2","3","2","8","1") = "7"
    & skf18("4","7","2","3","2","9","1") = "8"
    & skf18("4","7","2","3","2","10","1") = "9"
    & skf18("4","7","2","3","3","1","1") = "6"
    & skf18("4","7","2","3","3","2","1") = "6"
    & skf18("4","7","2","3","3","3","1") = "6"
    & skf18("4","7","2","3","3","4","1") = "6"
    & skf18("4","7","2","3","3","5","1") = "6"
    & skf18("4","7","2","3","3","6","1") = "6"
    & skf18("4","7","2","3","3","7","1") = "6"
    & skf18("4","7","2","3","3","8","1") = "7"
    & skf18("4","7","2","3","3","9","1") = "8"
    & skf18("4","7","2","3","3","10","1") = "9"
    & skf18("4","7","2","3","4","1","1") = "6"
    & skf18("4","7","2","3","4","2","1") = "6"
    & skf18("4","7","2","3","4","3","1") = "6"
    & skf18("4","7","2","3","4","4","1") = "6"
    & skf18("4","7","2","3","4","5","1") = "6"
    & skf18("4","7","2","3","4","6","1") = "6"
    & skf18("4","7","2","3","4","7","1") = "6"
    & skf18("4","7","2","3","4","8","1") = "7"
    & skf18("4","7","2","3","4","9","1") = "8"
    & skf18("4","7","2","3","4","10","1") = "9"
    & skf18("4","7","2","3","5","1","1") = "6"
    & skf18("4","7","2","3","5","2","1") = "6"
    & skf18("4","7","2","3","5","3","1") = "6"
    & skf18("4","7","2","3","5","4","1") = "6"
    & skf18("4","7","2","3","5","5","1") = "6"
    & skf18("4","7","2","3","5","6","1") = "6"
    & skf18("4","7","2","3","5","7","1") = "6"
    & skf18("4","7","2","3","5","8","1") = "7"
    & skf18("4","7","2","3","5","9","1") = "8"
    & skf18("4","7","2","3","5","10","1") = "9"
    & skf18("4","7","2","3","6","1","1") = "6"
    & skf18("4","7","2","3","6","2","1") = "6"
    & skf18("4","7","2","3","6","3","1") = "6"
    & skf18("4","7","2","3","6","4","1") = "6"
    & skf18("4","7","2","3","6","5","1") = "6"
    & skf18("4","7","2","3","6","6","1") = "6"
    & skf18("4","7","2","3","6","7","1") = "6"
    & skf18("4","7","2","3","6","8","1") = "7"
    & skf18("4","7","2","3","6","9","1") = "8"
    & skf18("4","7","2","3","6","10","1") = "9"
    & skf18("4","7","2","3","7","1","1") = "6"
    & skf18("4","7","2","3","7","2","1") = "6"
    & skf18("4","7","2","3","7","3","1") = "6"
    & skf18("4","7","2","3","7","4","1") = "6"
    & skf18("4","7","2","3","7","5","1") = "6"
    & skf18("4","7","2","3","7","6","1") = "6"
    & skf18("4","7","2","3","7","7","1") = "6"
    & skf18("4","7","2","3","7","8","1") = "7"
    & skf18("4","7","2","3","7","9","1") = "8"
    & skf18("4","7","2","3","7","10","1") = "9"
    & skf18("4","7","2","3","8","1","1") = "7"
    & skf18("4","7","2","3","8","2","1") = "7"
    & skf18("4","7","2","3","8","3","1") = "7"
    & skf18("4","7","2","3","8","4","1") = "7"
    & skf18("4","7","2","3","8","5","1") = "7"
    & skf18("4","7","2","3","8","6","1") = "7"
    & skf18("4","7","2","3","8","7","1") = "7"
    & skf18("4","7","2","3","8","8","1") = "7"
    & skf18("4","7","2","3","8","9","1") = "8"
    & skf18("4","7","2","3","8","10","1") = "9"
    & skf18("4","7","2","3","9","1","1") = "8"
    & skf18("4","7","2","3","9","2","1") = "8"
    & skf18("4","7","2","3","9","3","1") = "8"
    & skf18("4","7","2","3","9","4","1") = "8"
    & skf18("4","7","2","3","9","5","1") = "8"
    & skf18("4","7","2","3","9","6","1") = "8"
    & skf18("4","7","2","3","9","7","1") = "8"
    & skf18("4","7","2","3","9","8","1") = "8"
    & skf18("4","7","2","3","9","9","1") = "8"
    & skf18("4","7","2","3","9","10","1") = "9"
    & skf18("4","7","2","3","10","1","1") = "9"
    & skf18("4","7","2","3","10","2","1") = "9"
    & skf18("4","7","2","3","10","3","1") = "9"
    & skf18("4","7","2","3","10","4","1") = "9"
    & skf18("4","7","2","3","10","5","1") = "9"
    & skf18("4","7","2","3","10","6","1") = "9"
    & skf18("4","7","2","3","10","7","1") = "9"
    & skf18("4","7","2","3","10","8","1") = "9"
    & skf18("4","7","2","3","10","9","1") = "9"
    & skf18("4","7","2","3","10","10","1") = "9"
    & skf18("4","7","2","4","1","1","1") = "6"
    & skf18("4","7","2","4","1","2","1") = "6"
    & skf18("4","7","2","4","1","3","1") = "6"
    & skf18("4","7","2","4","1","4","1") = "6"
    & skf18("4","7","2","4","1","5","1") = "6"
    & skf18("4","7","2","4","1","6","1") = "6"
    & skf18("4","7","2","4","1","7","1") = "6"
    & skf18("4","7","2","4","1","8","1") = "7"
    & skf18("4","7","2","4","1","9","1") = "8"
    & skf18("4","7","2","4","1","10","1") = "9"
    & skf18("4","7","2","4","2","1","1") = "6"
    & skf18("4","7","2","4","2","2","1") = "6"
    & skf18("4","7","2","4","2","3","1") = "6"
    & skf18("4","7","2","4","2","4","1") = "6"
    & skf18("4","7","2","4","2","5","1") = "6"
    & skf18("4","7","2","4","2","6","1") = "6"
    & skf18("4","7","2","4","2","7","1") = "6"
    & skf18("4","7","2","4","2","8","1") = "7"
    & skf18("4","7","2","4","2","9","1") = "8"
    & skf18("4","7","2","4","2","10","1") = "9"
    & skf18("4","7","2","4","3","1","1") = "6"
    & skf18("4","7","2","4","3","2","1") = "6"
    & skf18("4","7","2","4","3","3","1") = "6"
    & skf18("4","7","2","4","3","4","1") = "6"
    & skf18("4","7","2","4","3","5","1") = "6"
    & skf18("4","7","2","4","3","6","1") = "6"
    & skf18("4","7","2","4","3","7","1") = "6"
    & skf18("4","7","2","4","3","8","1") = "7"
    & skf18("4","7","2","4","3","9","1") = "8"
    & skf18("4","7","2","4","3","10","1") = "9"
    & skf18("4","7","2","4","4","1","1") = "6"
    & skf18("4","7","2","4","4","2","1") = "6"
    & skf18("4","7","2","4","4","3","1") = "6"
    & skf18("4","7","2","4","4","4","1") = "6"
    & skf18("4","7","2","4","4","5","1") = "6"
    & skf18("4","7","2","4","4","6","1") = "6"
    & skf18("4","7","2","4","4","7","1") = "6"
    & skf18("4","7","2","4","4","8","1") = "7"
    & skf18("4","7","2","4","4","9","1") = "8"
    & skf18("4","7","2","4","4","10","1") = "9"
    & skf18("4","7","2","4","5","1","1") = "6"
    & skf18("4","7","2","4","5","2","1") = "6"
    & skf18("4","7","2","4","5","3","1") = "6"
    & skf18("4","7","2","4","5","4","1") = "6"
    & skf18("4","7","2","4","5","5","1") = "6"
    & skf18("4","7","2","4","5","6","1") = "6"
    & skf18("4","7","2","4","5","7","1") = "6"
    & skf18("4","7","2","4","5","8","1") = "7"
    & skf18("4","7","2","4","5","9","1") = "8"
    & skf18("4","7","2","4","5","10","1") = "9"
    & skf18("4","7","2","4","6","1","1") = "6"
    & skf18("4","7","2","4","6","2","1") = "6"
    & skf18("4","7","2","4","6","3","1") = "6"
    & skf18("4","7","2","4","6","4","1") = "6"
    & skf18("4","7","2","4","6","5","1") = "6"
    & skf18("4","7","2","4","6","6","1") = "6"
    & skf18("4","7","2","4","6","7","1") = "6"
    & skf18("4","7","2","4","6","8","1") = "7"
    & skf18("4","7","2","4","6","9","1") = "8"
    & skf18("4","7","2","4","6","10","1") = "9"
    & skf18("4","7","2","4","7","1","1") = "6"
    & skf18("4","7","2","4","7","2","1") = "6"
    & skf18("4","7","2","4","7","3","1") = "6"
    & skf18("4","7","2","4","7","4","1") = "6"
    & skf18("4","7","2","4","7","5","1") = "6"
    & skf18("4","7","2","4","7","6","1") = "6"
    & skf18("4","7","2","4","7","7","1") = "6"
    & skf18("4","7","2","4","7","8","1") = "7"
    & skf18("4","7","2","4","7","9","1") = "8"
    & skf18("4","7","2","4","7","10","1") = "9"
    & skf18("4","7","2","4","8","1","1") = "7"
    & skf18("4","7","2","4","8","2","1") = "7"
    & skf18("4","7","2","4","8","3","1") = "7"
    & skf18("4","7","2","4","8","4","1") = "7"
    & skf18("4","7","2","4","8","5","1") = "7"
    & skf18("4","7","2","4","8","6","1") = "7"
    & skf18("4","7","2","4","8","7","1") = "7"
    & skf18("4","7","2","4","8","8","1") = "7"
    & skf18("4","7","2","4","8","9","1") = "8"
    & skf18("4","7","2","4","8","10","1") = "9"
    & skf18("4","7","2","4","9","1","1") = "8"
    & skf18("4","7","2","4","9","2","1") = "8"
    & skf18("4","7","2","4","9","3","1") = "8"
    & skf18("4","7","2","4","9","4","1") = "8"
    & skf18("4","7","2","4","9","5","1") = "8"
    & skf18("4","7","2","4","9","6","1") = "8"
    & skf18("4","7","2","4","9","7","1") = "8"
    & skf18("4","7","2","4","9","8","1") = "8"
    & skf18("4","7","2","4","9","9","1") = "8"
    & skf18("4","7","2","4","9","10","1") = "9"
    & skf18("4","7","2","4","10","1","1") = "9"
    & skf18("4","7","2","4","10","2","1") = "9"
    & skf18("4","7","2","4","10","3","1") = "9"
    & skf18("4","7","2","4","10","4","1") = "9"
    & skf18("4","7","2","4","10","5","1") = "9"
    & skf18("4","7","2","4","10","6","1") = "9"
    & skf18("4","7","2","4","10","7","1") = "9"
    & skf18("4","7","2","4","10","8","1") = "9"
    & skf18("4","7","2","4","10","9","1") = "9"
    & skf18("4","7","2","4","10","10","1") = "9"
    & skf18("4","7","2","5","1","1","1") = "6"
    & skf18("4","7","2","5","1","2","1") = "6"
    & skf18("4","7","2","5","1","3","1") = "6"
    & skf18("4","7","2","5","1","4","1") = "6"
    & skf18("4","7","2","5","1","5","1") = "6"
    & skf18("4","7","2","5","1","6","1") = "6"
    & skf18("4","7","2","5","1","7","1") = "6"
    & skf18("4","7","2","5","1","8","1") = "7"
    & skf18("4","7","2","5","1","9","1") = "8"
    & skf18("4","7","2","5","1","10","1") = "9"
    & skf18("4","7","2","5","2","1","1") = "6"
    & skf18("4","7","2","5","2","2","1") = "6"
    & skf18("4","7","2","5","2","3","1") = "6"
    & skf18("4","7","2","5","2","4","1") = "6"
    & skf18("4","7","2","5","2","5","1") = "6"
    & skf18("4","7","2","5","2","6","1") = "6"
    & skf18("4","7","2","5","2","7","1") = "6"
    & skf18("4","7","2","5","2","8","1") = "7"
    & skf18("4","7","2","5","2","9","1") = "8"
    & skf18("4","7","2","5","2","10","1") = "9"
    & skf18("4","7","2","5","3","1","1") = "6"
    & skf18("4","7","2","5","3","2","1") = "6"
    & skf18("4","7","2","5","3","3","1") = "6"
    & skf18("4","7","2","5","3","4","1") = "6"
    & skf18("4","7","2","5","3","5","1") = "6"
    & skf18("4","7","2","5","3","6","1") = "6"
    & skf18("4","7","2","5","3","7","1") = "6"
    & skf18("4","7","2","5","3","8","1") = "7"
    & skf18("4","7","2","5","3","9","1") = "8"
    & skf18("4","7","2","5","3","10","1") = "9"
    & skf18("4","7","2","5","4","1","1") = "6"
    & skf18("4","7","2","5","4","2","1") = "6"
    & skf18("4","7","2","5","4","3","1") = "6"
    & skf18("4","7","2","5","4","4","1") = "6"
    & skf18("4","7","2","5","4","5","1") = "6"
    & skf18("4","7","2","5","4","6","1") = "6"
    & skf18("4","7","2","5","4","7","1") = "6"
    & skf18("4","7","2","5","4","8","1") = "7"
    & skf18("4","7","2","5","4","9","1") = "8"
    & skf18("4","7","2","5","4","10","1") = "9"
    & skf18("4","7","2","5","5","1","1") = "6"
    & skf18("4","7","2","5","5","2","1") = "6"
    & skf18("4","7","2","5","5","3","1") = "6"
    & skf18("4","7","2","5","5","4","1") = "6"
    & skf18("4","7","2","5","5","5","1") = "6"
    & skf18("4","7","2","5","5","6","1") = "6"
    & skf18("4","7","2","5","5","7","1") = "6"
    & skf18("4","7","2","5","5","8","1") = "7"
    & skf18("4","7","2","5","5","9","1") = "8"
    & skf18("4","7","2","5","5","10","1") = "9"
    & skf18("4","7","2","5","6","1","1") = "6"
    & skf18("4","7","2","5","6","2","1") = "6"
    & skf18("4","7","2","5","6","3","1") = "6"
    & skf18("4","7","2","5","6","4","1") = "6"
    & skf18("4","7","2","5","6","5","1") = "6"
    & skf18("4","7","2","5","6","6","1") = "6"
    & skf18("4","7","2","5","6","7","1") = "6"
    & skf18("4","7","2","5","6","8","1") = "7"
    & skf18("4","7","2","5","6","9","1") = "8"
    & skf18("4","7","2","5","6","10","1") = "9"
    & skf18("4","7","2","5","7","1","1") = "6"
    & skf18("4","7","2","5","7","2","1") = "6"
    & skf18("4","7","2","5","7","3","1") = "6"
    & skf18("4","7","2","5","7","4","1") = "6"
    & skf18("4","7","2","5","7","5","1") = "6"
    & skf18("4","7","2","5","7","6","1") = "6"
    & skf18("4","7","2","5","7","7","1") = "6"
    & skf18("4","7","2","5","7","8","1") = "7"
    & skf18("4","7","2","5","7","9","1") = "8"
    & skf18("4","7","2","5","7","10","1") = "9"
    & skf18("4","7","2","5","8","1","1") = "7"
    & skf18("4","7","2","5","8","2","1") = "7"
    & skf18("4","7","2","5","8","3","1") = "7"
    & skf18("4","7","2","5","8","4","1") = "7"
    & skf18("4","7","2","5","8","5","1") = "7"
    & skf18("4","7","2","5","8","6","1") = "7"
    & skf18("4","7","2","5","8","7","1") = "7"
    & skf18("4","7","2","5","8","8","1") = "7"
    & skf18("4","7","2","5","8","9","1") = "8"
    & skf18("4","7","2","5","8","10","1") = "9"
    & skf18("4","7","2","5","9","1","1") = "8"
    & skf18("4","7","2","5","9","2","1") = "8"
    & skf18("4","7","2","5","9","3","1") = "8"
    & skf18("4","7","2","5","9","4","1") = "8"
    & skf18("4","7","2","5","9","5","1") = "8"
    & skf18("4","7","2","5","9","6","1") = "8"
    & skf18("4","7","2","5","9","7","1") = "8"
    & skf18("4","7","2","5","9","8","1") = "8"
    & skf18("4","7","2","5","9","9","1") = "8"
    & skf18("4","7","2","5","9","10","1") = "9"
    & skf18("4","7","2","5","10","1","1") = "9"
    & skf18("4","7","2","5","10","2","1") = "9"
    & skf18("4","7","2","5","10","3","1") = "9"
    & skf18("4","7","2","5","10","4","1") = "9"
    & skf18("4","7","2","5","10","5","1") = "9"
    & skf18("4","7","2","5","10","6","1") = "9"
    & skf18("4","7","2","5","10","7","1") = "9"
    & skf18("4","7","2","5","10","8","1") = "9"
    & skf18("4","7","2","5","10","9","1") = "9"
    & skf18("4","7","2","5","10","10","1") = "9"
    & skf18("4","7","2","6","1","1","1") = "6"
    & skf18("4","7","2","6","1","2","1") = "6"
    & skf18("4","7","2","6","1","3","1") = "6"
    & skf18("4","7","2","6","1","4","1") = "6"
    & skf18("4","7","2","6","1","5","1") = "6"
    & skf18("4","7","2","6","1","6","1") = "6"
    & skf18("4","7","2","6","1","7","1") = "6"
    & skf18("4","7","2","6","1","8","1") = "7"
    & skf18("4","7","2","6","1","9","1") = "8"
    & skf18("4","7","2","6","1","10","1") = "9"
    & skf18("4","7","2","6","2","1","1") = "6"
    & skf18("4","7","2","6","2","2","1") = "6"
    & skf18("4","7","2","6","2","3","1") = "6"
    & skf18("4","7","2","6","2","4","1") = "6"
    & skf18("4","7","2","6","2","5","1") = "6"
    & skf18("4","7","2","6","2","6","1") = "6"
    & skf18("4","7","2","6","2","7","1") = "6"
    & skf18("4","7","2","6","2","8","1") = "7"
    & skf18("4","7","2","6","2","9","1") = "8"
    & skf18("4","7","2","6","2","10","1") = "9"
    & skf18("4","7","2","6","3","1","1") = "6"
    & skf18("4","7","2","6","3","2","1") = "6"
    & skf18("4","7","2","6","3","3","1") = "6"
    & skf18("4","7","2","6","3","4","1") = "6"
    & skf18("4","7","2","6","3","5","1") = "6"
    & skf18("4","7","2","6","3","6","1") = "6"
    & skf18("4","7","2","6","3","7","1") = "6"
    & skf18("4","7","2","6","3","8","1") = "7"
    & skf18("4","7","2","6","3","9","1") = "8"
    & skf18("4","7","2","6","3","10","1") = "9"
    & skf18("4","7","2","6","4","1","1") = "6"
    & skf18("4","7","2","6","4","2","1") = "6"
    & skf18("4","7","2","6","4","3","1") = "6"
    & skf18("4","7","2","6","4","4","1") = "6"
    & skf18("4","7","2","6","4","5","1") = "6"
    & skf18("4","7","2","6","4","6","1") = "6"
    & skf18("4","7","2","6","4","7","1") = "6"
    & skf18("4","7","2","6","4","8","1") = "7"
    & skf18("4","7","2","6","4","9","1") = "8"
    & skf18("4","7","2","6","4","10","1") = "9"
    & skf18("4","7","2","6","5","1","1") = "6"
    & skf18("4","7","2","6","5","2","1") = "6"
    & skf18("4","7","2","6","5","3","1") = "6"
    & skf18("4","7","2","6","5","4","1") = "6"
    & skf18("4","7","2","6","5","5","1") = "6"
    & skf18("4","7","2","6","5","6","1") = "6"
    & skf18("4","7","2","6","5","7","1") = "6"
    & skf18("4","7","2","6","5","8","1") = "7"
    & skf18("4","7","2","6","5","9","1") = "8"
    & skf18("4","7","2","6","5","10","1") = "9"
    & skf18("4","7","2","6","6","1","1") = "6"
    & skf18("4","7","2","6","6","2","1") = "6"
    & skf18("4","7","2","6","6","3","1") = "6"
    & skf18("4","7","2","6","6","4","1") = "6"
    & skf18("4","7","2","6","6","5","1") = "6"
    & skf18("4","7","2","6","6","6","1") = "6"
    & skf18("4","7","2","6","6","7","1") = "6"
    & skf18("4","7","2","6","6","8","1") = "7"
    & skf18("4","7","2","6","6","9","1") = "8"
    & skf18("4","7","2","6","6","10","1") = "9"
    & skf18("4","7","2","6","7","1","1") = "6"
    & skf18("4","7","2","6","7","2","1") = "6"
    & skf18("4","7","2","6","7","3","1") = "6"
    & skf18("4","7","2","6","7","4","1") = "6"
    & skf18("4","7","2","6","7","5","1") = "6"
    & skf18("4","7","2","6","7","6","1") = "6"
    & skf18("4","7","2","6","7","7","1") = "6"
    & skf18("4","7","2","6","7","8","1") = "7"
    & skf18("4","7","2","6","7","9","1") = "8"
    & skf18("4","7","2","6","7","10","1") = "9"
    & skf18("4","7","2","6","8","1","1") = "7"
    & skf18("4","7","2","6","8","2","1") = "7"
    & skf18("4","7","2","6","8","3","1") = "7"
    & skf18("4","7","2","6","8","4","1") = "7"
    & skf18("4","7","2","6","8","5","1") = "7"
    & skf18("4","7","2","6","8","6","1") = "7"
    & skf18("4","7","2","6","8","7","1") = "7"
    & skf18("4","7","2","6","8","8","1") = "7"
    & skf18("4","7","2","6","8","9","1") = "8"
    & skf18("4","7","2","6","8","10","1") = "9"
    & skf18("4","7","2","6","9","1","1") = "8"
    & skf18("4","7","2","6","9","2","1") = "8"
    & skf18("4","7","2","6","9","3","1") = "8"
    & skf18("4","7","2","6","9","4","1") = "8"
    & skf18("4","7","2","6","9","5","1") = "8"
    & skf18("4","7","2","6","9","6","1") = "8"
    & skf18("4","7","2","6","9","7","1") = "8"
    & skf18("4","7","2","6","9","8","1") = "8"
    & skf18("4","7","2","6","9","9","1") = "8"
    & skf18("4","7","2","6","9","10","1") = "9"
    & skf18("4","7","2","6","10","1","1") = "9"
    & skf18("4","7","2","6","10","2","1") = "9"
    & skf18("4","7","2","6","10","3","1") = "9"
    & skf18("4","7","2","6","10","4","1") = "9"
    & skf18("4","7","2","6","10","5","1") = "9"
    & skf18("4","7","2","6","10","6","1") = "9"
    & skf18("4","7","2","6","10","7","1") = "9"
    & skf18("4","7","2","6","10","8","1") = "9"
    & skf18("4","7","2","6","10","9","1") = "9"
    & skf18("4","7","2","6","10","10","1") = "9"
    & skf18("4","7","2","7","1","1","1") = "6"
    & skf18("4","7","2","7","1","2","1") = "6"
    & skf18("4","7","2","7","1","3","1") = "6"
    & skf18("4","7","2","7","1","4","1") = "6"
    & skf18("4","7","2","7","1","5","1") = "6"
    & skf18("4","7","2","7","1","6","1") = "6"
    & skf18("4","7","2","7","1","7","1") = "6"
    & skf18("4","7","2","7","1","8","1") = "7"
    & skf18("4","7","2","7","1","9","1") = "8"
    & skf18("4","7","2","7","1","10","1") = "9"
    & skf18("4","7","2","7","2","1","1") = "6"
    & skf18("4","7","2","7","2","2","1") = "6"
    & skf18("4","7","2","7","2","3","1") = "6"
    & skf18("4","7","2","7","2","4","1") = "6"
    & skf18("4","7","2","7","2","5","1") = "6"
    & skf18("4","7","2","7","2","6","1") = "6"
    & skf18("4","7","2","7","2","7","1") = "6"
    & skf18("4","7","2","7","2","8","1") = "7"
    & skf18("4","7","2","7","2","9","1") = "8"
    & skf18("4","7","2","7","2","10","1") = "9"
    & skf18("4","7","2","7","3","1","1") = "6"
    & skf18("4","7","2","7","3","2","1") = "6"
    & skf18("4","7","2","7","3","3","1") = "6"
    & skf18("4","7","2","7","3","4","1") = "6"
    & skf18("4","7","2","7","3","5","1") = "6"
    & skf18("4","7","2","7","3","6","1") = "6"
    & skf18("4","7","2","7","3","7","1") = "6"
    & skf18("4","7","2","7","3","8","1") = "7"
    & skf18("4","7","2","7","3","9","1") = "8"
    & skf18("4","7","2","7","3","10","1") = "9"
    & skf18("4","7","2","7","4","1","1") = "6"
    & skf18("4","7","2","7","4","2","1") = "6"
    & skf18("4","7","2","7","4","3","1") = "6"
    & skf18("4","7","2","7","4","4","1") = "6"
    & skf18("4","7","2","7","4","5","1") = "6"
    & skf18("4","7","2","7","4","6","1") = "6"
    & skf18("4","7","2","7","4","7","1") = "6"
    & skf18("4","7","2","7","4","8","1") = "7"
    & skf18("4","7","2","7","4","9","1") = "8"
    & skf18("4","7","2","7","4","10","1") = "9"
    & skf18("4","7","2","7","5","1","1") = "6"
    & skf18("4","7","2","7","5","2","1") = "6"
    & skf18("4","7","2","7","5","3","1") = "6"
    & skf18("4","7","2","7","5","4","1") = "6"
    & skf18("4","7","2","7","5","5","1") = "6"
    & skf18("4","7","2","7","5","6","1") = "6"
    & skf18("4","7","2","7","5","7","1") = "6"
    & skf18("4","7","2","7","5","8","1") = "7"
    & skf18("4","7","2","7","5","9","1") = "8"
    & skf18("4","7","2","7","5","10","1") = "9"
    & skf18("4","7","2","7","6","1","1") = "6"
    & skf18("4","7","2","7","6","2","1") = "6"
    & skf18("4","7","2","7","6","3","1") = "6"
    & skf18("4","7","2","7","6","4","1") = "6"
    & skf18("4","7","2","7","6","5","1") = "6"
    & skf18("4","7","2","7","6","6","1") = "6"
    & skf18("4","7","2","7","6","7","1") = "6"
    & skf18("4","7","2","7","6","8","1") = "7"
    & skf18("4","7","2","7","6","9","1") = "8"
    & skf18("4","7","2","7","6","10","1") = "9"
    & skf18("4","7","2","7","7","1","1") = "6"
    & skf18("4","7","2","7","7","2","1") = "6"
    & skf18("4","7","2","7","7","3","1") = "6"
    & skf18("4","7","2","7","7","4","1") = "6"
    & skf18("4","7","2","7","7","5","1") = "6"
    & skf18("4","7","2","7","7","6","1") = "6"
    & skf18("4","7","2","7","7","7","1") = "6"
    & skf18("4","7","2","7","7","8","1") = "7"
    & skf18("4","7","2","7","7","9","1") = "8"
    & skf18("4","7","2","7","7","10","1") = "9"
    & skf18("4","7","2","7","8","1","1") = "7"
    & skf18("4","7","2","7","8","2","1") = "7"
    & skf18("4","7","2","7","8","3","1") = "7"
    & skf18("4","7","2","7","8","4","1") = "7"
    & skf18("4","7","2","7","8","5","1") = "7"
    & skf18("4","7","2","7","8","6","1") = "7"
    & skf18("4","7","2","7","8","7","1") = "7"
    & skf18("4","7","2","7","8","8","1") = "7"
    & skf18("4","7","2","7","8","9","1") = "8"
    & skf18("4","7","2","7","8","10","1") = "9"
    & skf18("4","7","2","7","9","1","1") = "8"
    & skf18("4","7","2","7","9","2","1") = "8"
    & skf18("4","7","2","7","9","3","1") = "8"
    & skf18("4","7","2","7","9","4","1") = "8"
    & skf18("4","7","2","7","9","5","1") = "8"
    & skf18("4","7","2","7","9","6","1") = "8"
    & skf18("4","7","2","7","9","7","1") = "8"
    & skf18("4","7","2","7","9","8","1") = "8"
    & skf18("4","7","2","7","9","9","1") = "8"
    & skf18("4","7","2","7","9","10","1") = "9"
    & skf18("4","7","2","7","10","1","1") = "9"
    & skf18("4","7","2","7","10","2","1") = "9"
    & skf18("4","7","2","7","10","3","1") = "9"
    & skf18("4","7","2","7","10","4","1") = "9"
    & skf18("4","7","2","7","10","5","1") = "9"
    & skf18("4","7","2","7","10","6","1") = "9"
    & skf18("4","7","2","7","10","7","1") = "9"
    & skf18("4","7","2","7","10","8","1") = "9"
    & skf18("4","7","2","7","10","9","1") = "9"
    & skf18("4","7","2","7","10","10","1") = "9"
    & skf18("4","7","2","8","1","1","1") = "7"
    & skf18("4","7","2","8","1","2","1") = "7"
    & skf18("4","7","2","8","1","3","1") = "7"
    & skf18("4","7","2","8","1","4","1") = "7"
    & skf18("4","7","2","8","1","5","1") = "7"
    & skf18("4","7","2","8","1","6","1") = "7"
    & skf18("4","7","2","8","1","7","1") = "7"
    & skf18("4","7","2","8","1","8","1") = "7"
    & skf18("4","7","2","8","1","9","1") = "8"
    & skf18("4","7","2","8","1","10","1") = "9"
    & skf18("4","7","2","8","2","1","1") = "7"
    & skf18("4","7","2","8","2","2","1") = "7"
    & skf18("4","7","2","8","2","3","1") = "7"
    & skf18("4","7","2","8","2","4","1") = "7"
    & skf18("4","7","2","8","2","5","1") = "7"
    & skf18("4","7","2","8","2","6","1") = "7"
    & skf18("4","7","2","8","2","7","1") = "7"
    & skf18("4","7","2","8","2","8","1") = "7"
    & skf18("4","7","2","8","2","9","1") = "8"
    & skf18("4","7","2","8","2","10","1") = "9"
    & skf18("4","7","2","8","3","1","1") = "7"
    & skf18("4","7","2","8","3","2","1") = "7"
    & skf18("4","7","2","8","3","3","1") = "7"
    & skf18("4","7","2","8","3","4","1") = "7"
    & skf18("4","7","2","8","3","5","1") = "7"
    & skf18("4","7","2","8","3","6","1") = "7"
    & skf18("4","7","2","8","3","7","1") = "7"
    & skf18("4","7","2","8","3","8","1") = "7"
    & skf18("4","7","2","8","3","9","1") = "8"
    & skf18("4","7","2","8","3","10","1") = "9"
    & skf18("4","7","2","8","4","1","1") = "7"
    & skf18("4","7","2","8","4","2","1") = "7"
    & skf18("4","7","2","8","4","3","1") = "7"
    & skf18("4","7","2","8","4","4","1") = "7"
    & skf18("4","7","2","8","4","5","1") = "7"
    & skf18("4","7","2","8","4","6","1") = "7"
    & skf18("4","7","2","8","4","7","1") = "7"
    & skf18("4","7","2","8","4","8","1") = "7"
    & skf18("4","7","2","8","4","9","1") = "8"
    & skf18("4","7","2","8","4","10","1") = "9"
    & skf18("4","7","2","8","5","1","1") = "7"
    & skf18("4","7","2","8","5","2","1") = "7"
    & skf18("4","7","2","8","5","3","1") = "7"
    & skf18("4","7","2","8","5","4","1") = "7"
    & skf18("4","7","2","8","5","5","1") = "7"
    & skf18("4","7","2","8","5","6","1") = "7"
    & skf18("4","7","2","8","5","7","1") = "7"
    & skf18("4","7","2","8","5","8","1") = "7"
    & skf18("4","7","2","8","5","9","1") = "8"
    & skf18("4","7","2","8","5","10","1") = "9"
    & skf18("4","7","2","8","6","1","1") = "7"
    & skf18("4","7","2","8","6","2","1") = "7"
    & skf18("4","7","2","8","6","3","1") = "7"
    & skf18("4","7","2","8","6","4","1") = "7"
    & skf18("4","7","2","8","6","5","1") = "7"
    & skf18("4","7","2","8","6","6","1") = "7"
    & skf18("4","7","2","8","6","7","1") = "7"
    & skf18("4","7","2","8","6","8","1") = "7"
    & skf18("4","7","2","8","6","9","1") = "8"
    & skf18("4","7","2","8","6","10","1") = "9"
    & skf18("4","7","2","8","7","1","1") = "7"
    & skf18("4","7","2","8","7","2","1") = "7"
    & skf18("4","7","2","8","7","3","1") = "7"
    & skf18("4","7","2","8","7","4","1") = "7"
    & skf18("4","7","2","8","7","5","1") = "7"
    & skf18("4","7","2","8","7","6","1") = "7"
    & skf18("4","7","2","8","7","7","1") = "7"
    & skf18("4","7","2","8","7","8","1") = "7"
    & skf18("4","7","2","8","7","9","1") = "8"
    & skf18("4","7","2","8","7","10","1") = "9"
    & skf18("4","7","2","8","8","1","1") = "7"
    & skf18("4","7","2","8","8","2","1") = "7"
    & skf18("4","7","2","8","8","3","1") = "7"
    & skf18("4","7","2","8","8","4","1") = "7"
    & skf18("4","7","2","8","8","5","1") = "7"
    & skf18("4","7","2","8","8","6","1") = "7"
    & skf18("4","7","2","8","8","7","1") = "7"
    & skf18("4","7","2","8","8","8","1") = "7"
    & skf18("4","7","2","8","8","9","1") = "8"
    & skf18("4","7","2","8","8","10","1") = "9"
    & skf18("4","7","2","8","9","1","1") = "8"
    & skf18("4","7","2","8","9","2","1") = "8"
    & skf18("4","7","2","8","9","3","1") = "8"
    & skf18("4","7","2","8","9","4","1") = "8"
    & skf18("4","7","2","8","9","5","1") = "8"
    & skf18("4","7","2","8","9","6","1") = "8"
    & skf18("4","7","2","8","9","7","1") = "8"
    & skf18("4","7","2","8","9","8","1") = "8"
    & skf18("4","7","2","8","9","9","1") = "8"
    & skf18("4","7","2","8","9","10","1") = "9"
    & skf18("4","7","2","8","10","1","1") = "9"
    & skf18("4","7","2","8","10","2","1") = "9"
    & skf18("4","7","2","8","10","3","1") = "9"
    & skf18("4","7","2","8","10","4","1") = "9"
    & skf18("4","7","2","8","10","5","1") = "9"
    & skf18("4","7","2","8","10","6","1") = "9"
    & skf18("4","7","2","8","10","7","1") = "9"
    & skf18("4","7","2","8","10","8","1") = "9"
    & skf18("4","7","2","8","10","9","1") = "9"
    & skf18("4","7","2","8","10","10","1") = "9"
    & skf18("4","7","2","9","1","1","1") = "8"
    & skf18("4","7","2","9","1","2","1") = "8"
    & skf18("4","7","2","9","1","3","1") = "8"
    & skf18("4","7","2","9","1","4","1") = "8"
    & skf18("4","7","2","9","1","5","1") = "8"
    & skf18("4","7","2","9","1","6","1") = "8"
    & skf18("4","7","2","9","1","7","1") = "8"
    & skf18("4","7","2","9","1","8","1") = "8"
    & skf18("4","7","2","9","1","9","1") = "8"
    & skf18("4","7","2","9","1","10","1") = "9"
    & skf18("4","7","2","9","2","1","1") = "8"
    & skf18("4","7","2","9","2","2","1") = "8"
    & skf18("4","7","2","9","2","3","1") = "8"
    & skf18("4","7","2","9","2","4","1") = "8"
    & skf18("4","7","2","9","2","5","1") = "8"
    & skf18("4","7","2","9","2","6","1") = "8"
    & skf18("4","7","2","9","2","7","1") = "8"
    & skf18("4","7","2","9","2","8","1") = "8"
    & skf18("4","7","2","9","2","9","1") = "8"
    & skf18("4","7","2","9","2","10","1") = "9"
    & skf18("4","7","2","9","3","1","1") = "8"
    & skf18("4","7","2","9","3","2","1") = "8"
    & skf18("4","7","2","9","3","3","1") = "8"
    & skf18("4","7","2","9","3","4","1") = "8"
    & skf18("4","7","2","9","3","5","1") = "8"
    & skf18("4","7","2","9","3","6","1") = "8"
    & skf18("4","7","2","9","3","7","1") = "8"
    & skf18("4","7","2","9","3","8","1") = "8"
    & skf18("4","7","2","9","3","9","1") = "8"
    & skf18("4","7","2","9","3","10","1") = "9"
    & skf18("4","7","2","9","4","1","1") = "8"
    & skf18("4","7","2","9","4","2","1") = "8"
    & skf18("4","7","2","9","4","3","1") = "8"
    & skf18("4","7","2","9","4","4","1") = "8"
    & skf18("4","7","2","9","4","5","1") = "8"
    & skf18("4","7","2","9","4","6","1") = "8"
    & skf18("4","7","2","9","4","7","1") = "8"
    & skf18("4","7","2","9","4","8","1") = "8"
    & skf18("4","7","2","9","4","9","1") = "8"
    & skf18("4","7","2","9","4","10","1") = "9"
    & skf18("4","7","2","9","5","1","1") = "8"
    & skf18("4","7","2","9","5","2","1") = "8"
    & skf18("4","7","2","9","5","3","1") = "8"
    & skf18("4","7","2","9","5","4","1") = "8"
    & skf18("4","7","2","9","5","5","1") = "8"
    & skf18("4","7","2","9","5","6","1") = "8"
    & skf18("4","7","2","9","5","7","1") = "8"
    & skf18("4","7","2","9","5","8","1") = "8"
    & skf18("4","7","2","9","5","9","1") = "8"
    & skf18("4","7","2","9","5","10","1") = "9"
    & skf18("4","7","2","9","6","1","1") = "8"
    & skf18("4","7","2","9","6","2","1") = "8"
    & skf18("4","7","2","9","6","3","1") = "8"
    & skf18("4","7","2","9","6","4","1") = "8"
    & skf18("4","7","2","9","6","5","1") = "8"
    & skf18("4","7","2","9","6","6","1") = "8"
    & skf18("4","7","2","9","6","7","1") = "8"
    & skf18("4","7","2","9","6","8","1") = "8"
    & skf18("4","7","2","9","6","9","1") = "8"
    & skf18("4","7","2","9","6","10","1") = "9"
    & skf18("4","7","2","9","7","1","1") = "8"
    & skf18("4","7","2","9","7","2","1") = "8"
    & skf18("4","7","2","9","7","3","1") = "8"
    & skf18("4","7","2","9","7","4","1") = "8"
    & skf18("4","7","2","9","7","5","1") = "8"
    & skf18("4","7","2","9","7","6","1") = "8"
    & skf18("4","7","2","9","7","7","1") = "8"
    & skf18("4","7","2","9","7","8","1") = "8"
    & skf18("4","7","2","9","7","9","1") = "8"
    & skf18("4","7","2","9","7","10","1") = "9"
    & skf18("4","7","2","9","8","1","1") = "8"
    & skf18("4","7","2","9","8","2","1") = "8"
    & skf18("4","7","2","9","8","3","1") = "8"
    & skf18("4","7","2","9","8","4","1") = "8"
    & skf18("4","7","2","9","8","5","1") = "8"
    & skf18("4","7","2","9","8","6","1") = "8"
    & skf18("4","7","2","9","8","7","1") = "8"
    & skf18("4","7","2","9","8","8","1") = "8"
    & skf18("4","7","2","9","8","9","1") = "8"
    & skf18("4","7","2","9","8","10","1") = "9"
    & skf18("4","7","2","9","9","1","1") = "8"
    & skf18("4","7","2","9","9","2","1") = "8"
    & skf18("4","7","2","9","9","3","1") = "8"
    & skf18("4","7","2","9","9","4","1") = "8"
    & skf18("4","7","2","9","9","5","1") = "8"
    & skf18("4","7","2","9","9","6","1") = "8"
    & skf18("4","7","2","9","9","7","1") = "8"
    & skf18("4","7","2","9","9","8","1") = "8"
    & skf18("4","7","2","9","9","9","1") = "8"
    & skf18("4","7","2","9","9","10","1") = "9"
    & skf18("4","7","2","9","10","1","1") = "9"
    & skf18("4","7","2","9","10","2","1") = "9"
    & skf18("4","7","2","9","10","3","1") = "9"
    & skf18("4","7","2","9","10","4","1") = "9"
    & skf18("4","7","2","9","10","5","1") = "9"
    & skf18("4","7","2","9","10","6","1") = "9"
    & skf18("4","7","2","9","10","7","1") = "9"
    & skf18("4","7","2","9","10","8","1") = "9"
    & skf18("4","7","2","9","10","9","1") = "9"
    & skf18("4","7","2","9","10","10","1") = "9"
    & skf18("4","7","2","10","1","1","1") = "9"
    & skf18("4","7","2","10","1","2","1") = "9"
    & skf18("4","7","2","10","1","3","1") = "9"
    & skf18("4","7","2","10","1","4","1") = "9"
    & skf18("4","7","2","10","1","5","1") = "9"
    & skf18("4","7","2","10","1","6","1") = "9"
    & skf18("4","7","2","10","1","7","1") = "9"
    & skf18("4","7","2","10","1","8","1") = "9"
    & skf18("4","7","2","10","1","9","1") = "9"
    & skf18("4","7","2","10","1","10","1") = "9"
    & skf18("4","7","2","10","2","1","1") = "9"
    & skf18("4","7","2","10","2","2","1") = "9"
    & skf18("4","7","2","10","2","3","1") = "9"
    & skf18("4","7","2","10","2","4","1") = "9"
    & skf18("4","7","2","10","2","5","1") = "9"
    & skf18("4","7","2","10","2","6","1") = "9"
    & skf18("4","7","2","10","2","7","1") = "9"
    & skf18("4","7","2","10","2","8","1") = "9"
    & skf18("4","7","2","10","2","9","1") = "9"
    & skf18("4","7","2","10","2","10","1") = "9"
    & skf18("4","7","2","10","3","1","1") = "9"
    & skf18("4","7","2","10","3","2","1") = "9"
    & skf18("4","7","2","10","3","3","1") = "9"
    & skf18("4","7","2","10","3","4","1") = "9"
    & skf18("4","7","2","10","3","5","1") = "9"
    & skf18("4","7","2","10","3","6","1") = "9"
    & skf18("4","7","2","10","3","7","1") = "9"
    & skf18("4","7","2","10","3","8","1") = "9"
    & skf18("4","7","2","10","3","9","1") = "9"
    & skf18("4","7","2","10","3","10","1") = "9"
    & skf18("4","7","2","10","4","1","1") = "9"
    & skf18("4","7","2","10","4","2","1") = "9"
    & skf18("4","7","2","10","4","3","1") = "9"
    & skf18("4","7","2","10","4","4","1") = "9"
    & skf18("4","7","2","10","4","5","1") = "9"
    & skf18("4","7","2","10","4","6","1") = "9"
    & skf18("4","7","2","10","4","7","1") = "9"
    & skf18("4","7","2","10","4","8","1") = "9"
    & skf18("4","7","2","10","4","9","1") = "9"
    & skf18("4","7","2","10","4","10","1") = "9"
    & skf18("4","7","2","10","5","1","1") = "9"
    & skf18("4","7","2","10","5","2","1") = "9"
    & skf18("4","7","2","10","5","3","1") = "9"
    & skf18("4","7","2","10","5","4","1") = "9"
    & skf18("4","7","2","10","5","5","1") = "9"
    & skf18("4","7","2","10","5","6","1") = "9"
    & skf18("4","7","2","10","5","7","1") = "9"
    & skf18("4","7","2","10","5","8","1") = "9"
    & skf18("4","7","2","10","5","9","1") = "9"
    & skf18("4","7","2","10","5","10","1") = "9"
    & skf18("4","7","2","10","6","1","1") = "9"
    & skf18("4","7","2","10","6","2","1") = "9"
    & skf18("4","7","2","10","6","3","1") = "9"
    & skf18("4","7","2","10","6","4","1") = "9"
    & skf18("4","7","2","10","6","5","1") = "9"
    & skf18("4","7","2","10","6","6","1") = "9"
    & skf18("4","7","2","10","6","7","1") = "9"
    & skf18("4","7","2","10","6","8","1") = "9"
    & skf18("4","7","2","10","6","9","1") = "9"
    & skf18("4","7","2","10","6","10","1") = "9"
    & skf18("4","7","2","10","7","1","1") = "9"
    & skf18("4","7","2","10","7","2","1") = "9"
    & skf18("4","7","2","10","7","3","1") = "9"
    & skf18("4","7","2","10","7","4","1") = "9"
    & skf18("4","7","2","10","7","5","1") = "9"
    & skf18("4","7","2","10","7","6","1") = "9"
    & skf18("4","7","2","10","7","7","1") = "9"
    & skf18("4","7","2","10","7","8","1") = "9"
    & skf18("4","7","2","10","7","9","1") = "9"
    & skf18("4","7","2","10","7","10","1") = "9"
    & skf18("4","7","2","10","8","1","1") = "9"
    & skf18("4","7","2","10","8","2","1") = "9"
    & skf18("4","7","2","10","8","3","1") = "9"
    & skf18("4","7","2","10","8","4","1") = "9"
    & skf18("4","7","2","10","8","5","1") = "9"
    & skf18("4","7","2","10","8","6","1") = "9"
    & skf18("4","7","2","10","8","7","1") = "9"
    & skf18("4","7","2","10","8","8","1") = "9"
    & skf18("4","7","2","10","8","9","1") = "9"
    & skf18("4","7","2","10","8","10","1") = "9"
    & skf18("4","7","2","10","9","1","1") = "9"
    & skf18("4","7","2","10","9","2","1") = "9"
    & skf18("4","7","2","10","9","3","1") = "9"
    & skf18("4","7","2","10","9","4","1") = "9"
    & skf18("4","7","2","10","9","5","1") = "9"
    & skf18("4","7","2","10","9","6","1") = "9"
    & skf18("4","7","2","10","9","7","1") = "9"
    & skf18("4","7","2","10","9","8","1") = "9"
    & skf18("4","7","2","10","9","9","1") = "9"
    & skf18("4","7","2","10","9","10","1") = "9"
    & skf18("4","7","2","10","10","1","1") = "9"
    & skf18("4","7","2","10","10","2","1") = "9"
    & skf18("4","7","2","10","10","3","1") = "9"
    & skf18("4","7","2","10","10","4","1") = "9"
    & skf18("4","7","2","10","10","5","1") = "9"
    & skf18("4","7","2","10","10","6","1") = "9"
    & skf18("4","7","2","10","10","7","1") = "9"
    & skf18("4","7","2","10","10","8","1") = "9"
    & skf18("4","7","2","10","10","9","1") = "9"
    & skf18("4","7","2","10","10","10","1") = "9"
    & skf18("4","7","3","1","1","1","1") = "6"
    & skf18("4","7","3","1","1","2","1") = "6"
    & skf18("4","7","3","1","1","3","1") = "6"
    & skf18("4","7","3","1","1","4","1") = "6"
    & skf18("4","7","3","1","1","5","1") = "6"
    & skf18("4","7","3","1","1","6","1") = "6"
    & skf18("4","7","3","1","1","7","1") = "6"
    & skf18("4","7","3","1","1","8","1") = "7"
    & skf18("4","7","3","1","1","9","1") = "8"
    & skf18("4","7","3","1","1","10","1") = "9"
    & skf18("4","7","3","1","2","1","1") = "6"
    & skf18("4","7","3","1","2","2","1") = "6"
    & skf18("4","7","3","1","2","3","1") = "6"
    & skf18("4","7","3","1","2","4","1") = "6"
    & skf18("4","7","3","1","2","5","1") = "6"
    & skf18("4","7","3","1","2","6","1") = "6"
    & skf18("4","7","3","1","2","7","1") = "6"
    & skf18("4","7","3","1","2","8","1") = "7"
    & skf18("4","7","3","1","2","9","1") = "8"
    & skf18("4","7","3","1","2","10","1") = "9"
    & skf18("4","7","3","1","3","1","1") = "6"
    & skf18("4","7","3","1","3","2","1") = "6"
    & skf18("4","7","3","1","3","3","1") = "6"
    & skf18("4","7","3","1","3","4","1") = "6"
    & skf18("4","7","3","1","3","5","1") = "6"
    & skf18("4","7","3","1","3","6","1") = "6"
    & skf18("4","7","3","1","3","7","1") = "6"
    & skf18("4","7","3","1","3","8","1") = "7"
    & skf18("4","7","3","1","3","9","1") = "8"
    & skf18("4","7","3","1","3","10","1") = "9"
    & skf18("4","7","3","1","4","1","1") = "6"
    & skf18("4","7","3","1","4","2","1") = "6"
    & skf18("4","7","3","1","4","3","1") = "6"
    & skf18("4","7","3","1","4","4","1") = "6"
    & skf18("4","7","3","1","4","5","1") = "6"
    & skf18("4","7","3","1","4","6","1") = "6"
    & skf18("4","7","3","1","4","7","1") = "6"
    & skf18("4","7","3","1","4","8","1") = "7"
    & skf18("4","7","3","1","4","9","1") = "8"
    & skf18("4","7","3","1","4","10","1") = "9"
    & skf18("4","7","3","1","5","1","1") = "6"
    & skf18("4","7","3","1","5","2","1") = "6"
    & skf18("4","7","3","1","5","3","1") = "6"
    & skf18("4","7","3","1","5","4","1") = "6"
    & skf18("4","7","3","1","5","5","1") = "6"
    & skf18("4","7","3","1","5","6","1") = "6"
    & skf18("4","7","3","1","5","7","1") = "6"
    & skf18("4","7","3","1","5","8","1") = "7"
    & skf18("4","7","3","1","5","9","1") = "8"
    & skf18("4","7","3","1","5","10","1") = "9"
    & skf18("4","7","3","1","6","1","1") = "6"
    & skf18("4","7","3","1","6","2","1") = "6"
    & skf18("4","7","3","1","6","3","1") = "6"
    & skf18("4","7","3","1","6","4","1") = "6"
    & skf18("4","7","3","1","6","5","1") = "6"
    & skf18("4","7","3","1","6","6","1") = "6"
    & skf18("4","7","3","1","6","7","1") = "6"
    & skf18("4","7","3","1","6","8","1") = "7"
    & skf18("4","7","3","1","6","9","1") = "8"
    & skf18("4","7","3","1","6","10","1") = "9"
    & skf18("4","7","3","1","7","1","1") = "6"
    & skf18("4","7","3","1","7","2","1") = "6"
    & skf18("4","7","3","1","7","3","1") = "6"
    & skf18("4","7","3","1","7","4","1") = "6"
    & skf18("4","7","3","1","7","5","1") = "6"
    & skf18("4","7","3","1","7","6","1") = "6"
    & skf18("4","7","3","1","7","7","1") = "6"
    & skf18("4","7","3","1","7","8","1") = "7"
    & skf18("4","7","3","1","7","9","1") = "8"
    & skf18("4","7","3","1","7","10","1") = "9"
    & skf18("4","7","3","1","8","1","1") = "7"
    & skf18("4","7","3","1","8","2","1") = "7"
    & skf18("4","7","3","1","8","3","1") = "7"
    & skf18("4","7","3","1","8","4","1") = "7"
    & skf18("4","7","3","1","8","5","1") = "7"
    & skf18("4","7","3","1","8","6","1") = "7"
    & skf18("4","7","3","1","8","7","1") = "7"
    & skf18("4","7","3","1","8","8","1") = "7"
    & skf18("4","7","3","1","8","9","1") = "8"
    & skf18("4","7","3","1","8","10","1") = "9"
    & skf18("4","7","3","1","9","1","1") = "8"
    & skf18("4","7","3","1","9","2","1") = "8"
    & skf18("4","7","3","1","9","3","1") = "8"
    & skf18("4","7","3","1","9","4","1") = "8"
    & skf18("4","7","3","1","9","5","1") = "8"
    & skf18("4","7","3","1","9","6","1") = "8"
    & skf18("4","7","3","1","9","7","1") = "8"
    & skf18("4","7","3","1","9","8","1") = "8"
    & skf18("4","7","3","1","9","9","1") = "8"
    & skf18("4","7","3","1","9","10","1") = "9"
    & skf18("4","7","3","1","10","1","1") = "9"
    & skf18("4","7","3","1","10","2","1") = "9"
    & skf18("4","7","3","1","10","3","1") = "9"
    & skf18("4","7","3","1","10","4","1") = "9"
    & skf18("4","7","3","1","10","5","1") = "9"
    & skf18("4","7","3","1","10","6","1") = "9"
    & skf18("4","7","3","1","10","7","1") = "9"
    & skf18("4","7","3","1","10","8","1") = "9"
    & skf18("4","7","3","1","10","9","1") = "9"
    & skf18("4","7","3","1","10","10","1") = "9"
    & skf18("4","7","3","2","1","1","1") = "6"
    & skf18("4","7","3","2","1","2","1") = "6"
    & skf18("4","7","3","2","1","3","1") = "6"
    & skf18("4","7","3","2","1","4","1") = "6"
    & skf18("4","7","3","2","1","5","1") = "6"
    & skf18("4","7","3","2","1","6","1") = "6"
    & skf18("4","7","3","2","1","7","1") = "6"
    & skf18("4","7","3","2","1","8","1") = "7"
    & skf18("4","7","3","2","1","9","1") = "8"
    & skf18("4","7","3","2","1","10","1") = "9"
    & skf18("4","7","3","2","2","1","1") = "6"
    & skf18("4","7","3","2","2","2","1") = "6"
    & skf18("4","7","3","2","2","3","1") = "6"
    & skf18("4","7","3","2","2","4","1") = "6"
    & skf18("4","7","3","2","2","5","1") = "6"
    & skf18("4","7","3","2","2","6","1") = "6"
    & skf18("4","7","3","2","2","7","1") = "6"
    & skf18("4","7","3","2","2","8","1") = "7"
    & skf18("4","7","3","2","2","9","1") = "8"
    & skf18("4","7","3","2","2","10","1") = "9"
    & skf18("4","7","3","2","3","1","1") = "6"
    & skf18("4","7","3","2","3","2","1") = "6"
    & skf18("4","7","3","2","3","3","1") = "6"
    & skf18("4","7","3","2","3","4","1") = "6"
    & skf18("4","7","3","2","3","5","1") = "6"
    & skf18("4","7","3","2","3","6","1") = "6"
    & skf18("4","7","3","2","3","7","1") = "6"
    & skf18("4","7","3","2","3","8","1") = "7"
    & skf18("4","7","3","2","3","9","1") = "8"
    & skf18("4","7","3","2","3","10","1") = "9"
    & skf18("4","7","3","2","4","1","1") = "6"
    & skf18("4","7","3","2","4","2","1") = "6"
    & skf18("4","7","3","2","4","3","1") = "6"
    & skf18("4","7","3","2","4","4","1") = "6"
    & skf18("4","7","3","2","4","5","1") = "6"
    & skf18("4","7","3","2","4","6","1") = "6"
    & skf18("4","7","3","2","4","7","1") = "6"
    & skf18("4","7","3","2","4","8","1") = "7"
    & skf18("4","7","3","2","4","9","1") = "8"
    & skf18("4","7","3","2","4","10","1") = "9"
    & skf18("4","7","3","2","5","1","1") = "6"
    & skf18("4","7","3","2","5","2","1") = "6"
    & skf18("4","7","3","2","5","3","1") = "6"
    & skf18("4","7","3","2","5","4","1") = "6"
    & skf18("4","7","3","2","5","5","1") = "6"
    & skf18("4","7","3","2","5","6","1") = "6"
    & skf18("4","7","3","2","5","7","1") = "6"
    & skf18("4","7","3","2","5","8","1") = "7"
    & skf18("4","7","3","2","5","9","1") = "8"
    & skf18("4","7","3","2","5","10","1") = "9"
    & skf18("4","7","3","2","6","1","1") = "6"
    & skf18("4","7","3","2","6","2","1") = "6"
    & skf18("4","7","3","2","6","3","1") = "6"
    & skf18("4","7","3","2","6","4","1") = "6"
    & skf18("4","7","3","2","6","5","1") = "6"
    & skf18("4","7","3","2","6","6","1") = "6"
    & skf18("4","7","3","2","6","7","1") = "6"
    & skf18("4","7","3","2","6","8","1") = "7"
    & skf18("4","7","3","2","6","9","1") = "8"
    & skf18("4","7","3","2","6","10","1") = "9"
    & skf18("4","7","3","2","7","1","1") = "6"
    & skf18("4","7","3","2","7","2","1") = "6"
    & skf18("4","7","3","2","7","3","1") = "6"
    & skf18("4","7","3","2","7","4","1") = "6"
    & skf18("4","7","3","2","7","5","1") = "6"
    & skf18("4","7","3","2","7","6","1") = "6"
    & skf18("4","7","3","2","7","7","1") = "6"
    & skf18("4","7","3","2","7","8","1") = "7"
    & skf18("4","7","3","2","7","9","1") = "8"
    & skf18("4","7","3","2","7","10","1") = "9"
    & skf18("4","7","3","2","8","1","1") = "7"
    & skf18("4","7","3","2","8","2","1") = "7"
    & skf18("4","7","3","2","8","3","1") = "7"
    & skf18("4","7","3","2","8","4","1") = "7"
    & skf18("4","7","3","2","8","5","1") = "7"
    & skf18("4","7","3","2","8","6","1") = "7"
    & skf18("4","7","3","2","8","7","1") = "7"
    & skf18("4","7","3","2","8","8","1") = "7"
    & skf18("4","7","3","2","8","9","1") = "8"
    & skf18("4","7","3","2","8","10","1") = "9"
    & skf18("4","7","3","2","9","1","1") = "8"
    & skf18("4","7","3","2","9","2","1") = "8"
    & skf18("4","7","3","2","9","3","1") = "8"
    & skf18("4","7","3","2","9","4","1") = "8"
    & skf18("4","7","3","2","9","5","1") = "8"
    & skf18("4","7","3","2","9","6","1") = "8"
    & skf18("4","7","3","2","9","7","1") = "8"
    & skf18("4","7","3","2","9","8","1") = "8"
    & skf18("4","7","3","2","9","9","1") = "8"
    & skf18("4","7","3","2","9","10","1") = "9"
    & skf18("4","7","3","2","10","1","1") = "9"
    & skf18("4","7","3","2","10","2","1") = "9"
    & skf18("4","7","3","2","10","3","1") = "9"
    & skf18("4","7","3","2","10","4","1") = "9"
    & skf18("4","7","3","2","10","5","1") = "9"
    & skf18("4","7","3","2","10","6","1") = "9"
    & skf18("4","7","3","2","10","7","1") = "9"
    & skf18("4","7","3","2","10","8","1") = "9"
    & skf18("4","7","3","2","10","9","1") = "9"
    & skf18("4","7","3","2","10","10","1") = "9"
    & skf18("4","7","3","3","1","1","1") = "6"
    & skf18("4","7","3","3","1","2","1") = "6"
    & skf18("4","7","3","3","1","3","1") = "6"
    & skf18("4","7","3","3","1","4","1") = "6"
    & skf18("4","7","3","3","1","5","1") = "6"
    & skf18("4","7","3","3","1","6","1") = "6"
    & skf18("4","7","3","3","1","7","1") = "6"
    & skf18("4","7","3","3","1","8","1") = "7"
    & skf18("4","7","3","3","1","9","1") = "8"
    & skf18("4","7","3","3","1","10","1") = "9"
    & skf18("4","7","3","3","2","1","1") = "6"
    & skf18("4","7","3","3","2","2","1") = "6"
    & skf18("4","7","3","3","2","3","1") = "6"
    & skf18("4","7","3","3","2","4","1") = "6"
    & skf18("4","7","3","3","2","5","1") = "6"
    & skf18("4","7","3","3","2","6","1") = "6"
    & skf18("4","7","3","3","2","7","1") = "6"
    & skf18("4","7","3","3","2","8","1") = "7"
    & skf18("4","7","3","3","2","9","1") = "8"
    & skf18("4","7","3","3","2","10","1") = "9"
    & skf18("4","7","3","3","3","1","1") = "6"
    & skf18("4","7","3","3","3","2","1") = "6"
    & skf18("4","7","3","3","3","3","1") = "6"
    & skf18("4","7","3","3","3","4","1") = "6"
    & skf18("4","7","3","3","3","5","1") = "6"
    & skf18("4","7","3","3","3","6","1") = "6"
    & skf18("4","7","3","3","3","7","1") = "6"
    & skf18("4","7","3","3","3","8","1") = "7"
    & skf18("4","7","3","3","3","9","1") = "8"
    & skf18("4","7","3","3","3","10","1") = "9"
    & skf18("4","7","3","3","4","1","1") = "6"
    & skf18("4","7","3","3","4","2","1") = "6"
    & skf18("4","7","3","3","4","3","1") = "6"
    & skf18("4","7","3","3","4","4","1") = "6"
    & skf18("4","7","3","3","4","5","1") = "6"
    & skf18("4","7","3","3","4","6","1") = "6"
    & skf18("4","7","3","3","4","7","1") = "6"
    & skf18("4","7","3","3","4","8","1") = "7"
    & skf18("4","7","3","3","4","9","1") = "8"
    & skf18("4","7","3","3","4","10","1") = "9"
    & skf18("4","7","3","3","5","1","1") = "6"
    & skf18("4","7","3","3","5","2","1") = "6"
    & skf18("4","7","3","3","5","3","1") = "6"
    & skf18("4","7","3","3","5","4","1") = "6"
    & skf18("4","7","3","3","5","5","1") = "6"
    & skf18("4","7","3","3","5","6","1") = "6"
    & skf18("4","7","3","3","5","7","1") = "6"
    & skf18("4","7","3","3","5","8","1") = "7"
    & skf18("4","7","3","3","5","9","1") = "8"
    & skf18("4","7","3","3","5","10","1") = "9"
    & skf18("4","7","3","3","6","1","1") = "6"
    & skf18("4","7","3","3","6","2","1") = "6"
    & skf18("4","7","3","3","6","3","1") = "6"
    & skf18("4","7","3","3","6","4","1") = "6"
    & skf18("4","7","3","3","6","5","1") = "6"
    & skf18("4","7","3","3","6","6","1") = "6"
    & skf18("4","7","3","3","6","7","1") = "6"
    & skf18("4","7","3","3","6","8","1") = "7"
    & skf18("4","7","3","3","6","9","1") = "8"
    & skf18("4","7","3","3","6","10","1") = "9"
    & skf18("4","7","3","3","7","1","1") = "6"
    & skf18("4","7","3","3","7","2","1") = "6"
    & skf18("4","7","3","3","7","3","1") = "6"
    & skf18("4","7","3","3","7","4","1") = "6"
    & skf18("4","7","3","3","7","5","1") = "6"
    & skf18("4","7","3","3","7","6","1") = "6"
    & skf18("4","7","3","3","7","7","1") = "6"
    & skf18("4","7","3","3","7","8","1") = "7"
    & skf18("4","7","3","3","7","9","1") = "8"
    & skf18("4","7","3","3","7","10","1") = "9"
    & skf18("4","7","3","3","8","1","1") = "7"
    & skf18("4","7","3","3","8","2","1") = "7"
    & skf18("4","7","3","3","8","3","1") = "7"
    & skf18("4","7","3","3","8","4","1") = "7"
    & skf18("4","7","3","3","8","5","1") = "7"
    & skf18("4","7","3","3","8","6","1") = "7"
    & skf18("4","7","3","3","8","7","1") = "7"
    & skf18("4","7","3","3","8","8","1") = "7"
    & skf18("4","7","3","3","8","9","1") = "8"
    & skf18("4","7","3","3","8","10","1") = "9"
    & skf18("4","7","3","3","9","1","1") = "8"
    & skf18("4","7","3","3","9","2","1") = "8"
    & skf18("4","7","3","3","9","3","1") = "8"
    & skf18("4","7","3","3","9","4","1") = "8"
    & skf18("4","7","3","3","9","5","1") = "8"
    & skf18("4","7","3","3","9","6","1") = "8"
    & skf18("4","7","3","3","9","7","1") = "8"
    & skf18("4","7","3","3","9","8","1") = "8"
    & skf18("4","7","3","3","9","9","1") = "8"
    & skf18("4","7","3","3","9","10","1") = "9"
    & skf18("4","7","3","3","10","1","1") = "9"
    & skf18("4","7","3","3","10","2","1") = "9"
    & skf18("4","7","3","3","10","3","1") = "9"
    & skf18("4","7","3","3","10","4","1") = "9"
    & skf18("4","7","3","3","10","5","1") = "9"
    & skf18("4","7","3","3","10","6","1") = "9"
    & skf18("4","7","3","3","10","7","1") = "9"
    & skf18("4","7","3","3","10","8","1") = "9"
    & skf18("4","7","3","3","10","9","1") = "9"
    & skf18("4","7","3","3","10","10","1") = "9"
    & skf18("4","7","3","4","1","1","1") = "6"
    & skf18("4","7","3","4","1","2","1") = "6"
    & skf18("4","7","3","4","1","3","1") = "6"
    & skf18("4","7","3","4","1","4","1") = "6"
    & skf18("4","7","3","4","1","5","1") = "6"
    & skf18("4","7","3","4","1","6","1") = "6"
    & skf18("4","7","3","4","1","7","1") = "6"
    & skf18("4","7","3","4","1","8","1") = "7"
    & skf18("4","7","3","4","1","9","1") = "8"
    & skf18("4","7","3","4","1","10","1") = "9"
    & skf18("4","7","3","4","2","1","1") = "6"
    & skf18("4","7","3","4","2","2","1") = "6"
    & skf18("4","7","3","4","2","3","1") = "6"
    & skf18("4","7","3","4","2","4","1") = "6"
    & skf18("4","7","3","4","2","5","1") = "6"
    & skf18("4","7","3","4","2","6","1") = "6"
    & skf18("4","7","3","4","2","7","1") = "6"
    & skf18("4","7","3","4","2","8","1") = "7"
    & skf18("4","7","3","4","2","9","1") = "8"
    & skf18("4","7","3","4","2","10","1") = "9"
    & skf18("4","7","3","4","3","1","1") = "6"
    & skf18("4","7","3","4","3","2","1") = "6"
    & skf18("4","7","3","4","3","3","1") = "6"
    & skf18("4","7","3","4","3","4","1") = "6"
    & skf18("4","7","3","4","3","5","1") = "6"
    & skf18("4","7","3","4","3","6","1") = "6"
    & skf18("4","7","3","4","3","7","1") = "6"
    & skf18("4","7","3","4","3","8","1") = "7"
    & skf18("4","7","3","4","3","9","1") = "8"
    & skf18("4","7","3","4","3","10","1") = "9"
    & skf18("4","7","3","4","4","1","1") = "6"
    & skf18("4","7","3","4","4","2","1") = "6"
    & skf18("4","7","3","4","4","3","1") = "6"
    & skf18("4","7","3","4","4","4","1") = "6"
    & skf18("4","7","3","4","4","5","1") = "6"
    & skf18("4","7","3","4","4","6","1") = "6"
    & skf18("4","7","3","4","4","7","1") = "6"
    & skf18("4","7","3","4","4","8","1") = "7"
    & skf18("4","7","3","4","4","9","1") = "8"
    & skf18("4","7","3","4","4","10","1") = "9"
    & skf18("4","7","3","4","5","1","1") = "6"
    & skf18("4","7","3","4","5","2","1") = "6"
    & skf18("4","7","3","4","5","3","1") = "6"
    & skf18("4","7","3","4","5","4","1") = "6"
    & skf18("4","7","3","4","5","5","1") = "6"
    & skf18("4","7","3","4","5","6","1") = "6"
    & skf18("4","7","3","4","5","7","1") = "6"
    & skf18("4","7","3","4","5","8","1") = "7"
    & skf18("4","7","3","4","5","9","1") = "8"
    & skf18("4","7","3","4","5","10","1") = "9"
    & skf18("4","7","3","4","6","1","1") = "6"
    & skf18("4","7","3","4","6","2","1") = "6"
    & skf18("4","7","3","4","6","3","1") = "6"
    & skf18("4","7","3","4","6","4","1") = "6"
    & skf18("4","7","3","4","6","5","1") = "6"
    & skf18("4","7","3","4","6","6","1") = "6"
    & skf18("4","7","3","4","6","7","1") = "6"
    & skf18("4","7","3","4","6","8","1") = "7"
    & skf18("4","7","3","4","6","9","1") = "8"
    & skf18("4","7","3","4","6","10","1") = "9"
    & skf18("4","7","3","4","7","1","1") = "6"
    & skf18("4","7","3","4","7","2","1") = "6"
    & skf18("4","7","3","4","7","3","1") = "6"
    & skf18("4","7","3","4","7","4","1") = "6"
    & skf18("4","7","3","4","7","5","1") = "6"
    & skf18("4","7","3","4","7","6","1") = "6"
    & skf18("4","7","3","4","7","7","1") = "6"
    & skf18("4","7","3","4","7","8","1") = "7"
    & skf18("4","7","3","4","7","9","1") = "8"
    & skf18("4","7","3","4","7","10","1") = "9"
    & skf18("4","7","3","4","8","1","1") = "7"
    & skf18("4","7","3","4","8","2","1") = "7"
    & skf18("4","7","3","4","8","3","1") = "7"
    & skf18("4","7","3","4","8","4","1") = "7"
    & skf18("4","7","3","4","8","5","1") = "7"
    & skf18("4","7","3","4","8","6","1") = "7"
    & skf18("4","7","3","4","8","7","1") = "7"
    & skf18("4","7","3","4","8","8","1") = "7"
    & skf18("4","7","3","4","8","9","1") = "8"
    & skf18("4","7","3","4","8","10","1") = "9"
    & skf18("4","7","3","4","9","1","1") = "8"
    & skf18("4","7","3","4","9","2","1") = "8"
    & skf18("4","7","3","4","9","3","1") = "8"
    & skf18("4","7","3","4","9","4","1") = "8"
    & skf18("4","7","3","4","9","5","1") = "8"
    & skf18("4","7","3","4","9","6","1") = "8"
    & skf18("4","7","3","4","9","7","1") = "8"
    & skf18("4","7","3","4","9","8","1") = "8"
    & skf18("4","7","3","4","9","9","1") = "8"
    & skf18("4","7","3","4","9","10","1") = "9"
    & skf18("4","7","3","4","10","1","1") = "9"
    & skf18("4","7","3","4","10","2","1") = "9"
    & skf18("4","7","3","4","10","3","1") = "9"
    & skf18("4","7","3","4","10","4","1") = "9"
    & skf18("4","7","3","4","10","5","1") = "9"
    & skf18("4","7","3","4","10","6","1") = "9"
    & skf18("4","7","3","4","10","7","1") = "9"
    & skf18("4","7","3","4","10","8","1") = "9"
    & skf18("4","7","3","4","10","9","1") = "9"
    & skf18("4","7","3","4","10","10","1") = "9"
    & skf18("4","7","3","5","1","1","1") = "6"
    & skf18("4","7","3","5","1","2","1") = "6"
    & skf18("4","7","3","5","1","3","1") = "6"
    & skf18("4","7","3","5","1","4","1") = "6"
    & skf18("4","7","3","5","1","5","1") = "6"
    & skf18("4","7","3","5","1","6","1") = "6"
    & skf18("4","7","3","5","1","7","1") = "6"
    & skf18("4","7","3","5","1","8","1") = "7"
    & skf18("4","7","3","5","1","9","1") = "8"
    & skf18("4","7","3","5","1","10","1") = "9"
    & skf18("4","7","3","5","2","1","1") = "6"
    & skf18("4","7","3","5","2","2","1") = "6"
    & skf18("4","7","3","5","2","3","1") = "6"
    & skf18("4","7","3","5","2","4","1") = "6"
    & skf18("4","7","3","5","2","5","1") = "6"
    & skf18("4","7","3","5","2","6","1") = "6"
    & skf18("4","7","3","5","2","7","1") = "6"
    & skf18("4","7","3","5","2","8","1") = "7"
    & skf18("4","7","3","5","2","9","1") = "8"
    & skf18("4","7","3","5","2","10","1") = "9"
    & skf18("4","7","3","5","3","1","1") = "6"
    & skf18("4","7","3","5","3","2","1") = "6"
    & skf18("4","7","3","5","3","3","1") = "6"
    & skf18("4","7","3","5","3","4","1") = "6"
    & skf18("4","7","3","5","3","5","1") = "6"
    & skf18("4","7","3","5","3","6","1") = "6"
    & skf18("4","7","3","5","3","7","1") = "6"
    & skf18("4","7","3","5","3","8","1") = "7"
    & skf18("4","7","3","5","3","9","1") = "8"
    & skf18("4","7","3","5","3","10","1") = "9"
    & skf18("4","7","3","5","4","1","1") = "6"
    & skf18("4","7","3","5","4","2","1") = "6"
    & skf18("4","7","3","5","4","3","1") = "6"
    & skf18("4","7","3","5","4","4","1") = "6"
    & skf18("4","7","3","5","4","5","1") = "6"
    & skf18("4","7","3","5","4","6","1") = "6"
    & skf18("4","7","3","5","4","7","1") = "6"
    & skf18("4","7","3","5","4","8","1") = "7"
    & skf18("4","7","3","5","4","9","1") = "8"
    & skf18("4","7","3","5","4","10","1") = "9"
    & skf18("4","7","3","5","5","1","1") = "6"
    & skf18("4","7","3","5","5","2","1") = "6"
    & skf18("4","7","3","5","5","3","1") = "6"
    & skf18("4","7","3","5","5","4","1") = "6"
    & skf18("4","7","3","5","5","5","1") = "6"
    & skf18("4","7","3","5","5","6","1") = "6"
    & skf18("4","7","3","5","5","7","1") = "6"
    & skf18("4","7","3","5","5","8","1") = "7"
    & skf18("4","7","3","5","5","9","1") = "8"
    & skf18("4","7","3","5","5","10","1") = "9"
    & skf18("4","7","3","5","6","1","1") = "6"
    & skf18("4","7","3","5","6","2","1") = "6"
    & skf18("4","7","3","5","6","3","1") = "6"
    & skf18("4","7","3","5","6","4","1") = "6"
    & skf18("4","7","3","5","6","5","1") = "6"
    & skf18("4","7","3","5","6","6","1") = "6"
    & skf18("4","7","3","5","6","7","1") = "6"
    & skf18("4","7","3","5","6","8","1") = "7"
    & skf18("4","7","3","5","6","9","1") = "8"
    & skf18("4","7","3","5","6","10","1") = "9"
    & skf18("4","7","3","5","7","1","1") = "6"
    & skf18("4","7","3","5","7","2","1") = "6"
    & skf18("4","7","3","5","7","3","1") = "6"
    & skf18("4","7","3","5","7","4","1") = "6"
    & skf18("4","7","3","5","7","5","1") = "6"
    & skf18("4","7","3","5","7","6","1") = "6"
    & skf18("4","7","3","5","7","7","1") = "6"
    & skf18("4","7","3","5","7","8","1") = "7"
    & skf18("4","7","3","5","7","9","1") = "8"
    & skf18("4","7","3","5","7","10","1") = "9"
    & skf18("4","7","3","5","8","1","1") = "7"
    & skf18("4","7","3","5","8","2","1") = "7"
    & skf18("4","7","3","5","8","3","1") = "7"
    & skf18("4","7","3","5","8","4","1") = "7"
    & skf18("4","7","3","5","8","5","1") = "7"
    & skf18("4","7","3","5","8","6","1") = "7"
    & skf18("4","7","3","5","8","7","1") = "7"
    & skf18("4","7","3","5","8","8","1") = "7"
    & skf18("4","7","3","5","8","9","1") = "8"
    & skf18("4","7","3","5","8","10","1") = "9"
    & skf18("4","7","3","5","9","1","1") = "8"
    & skf18("4","7","3","5","9","2","1") = "8"
    & skf18("4","7","3","5","9","3","1") = "8"
    & skf18("4","7","3","5","9","4","1") = "8"
    & skf18("4","7","3","5","9","5","1") = "8"
    & skf18("4","7","3","5","9","6","1") = "8"
    & skf18("4","7","3","5","9","7","1") = "8"
    & skf18("4","7","3","5","9","8","1") = "8"
    & skf18("4","7","3","5","9","9","1") = "8"
    & skf18("4","7","3","5","9","10","1") = "9"
    & skf18("4","7","3","5","10","1","1") = "9"
    & skf18("4","7","3","5","10","2","1") = "9"
    & skf18("4","7","3","5","10","3","1") = "9"
    & skf18("4","7","3","5","10","4","1") = "9"
    & skf18("4","7","3","5","10","5","1") = "9"
    & skf18("4","7","3","5","10","6","1") = "9"
    & skf18("4","7","3","5","10","7","1") = "9"
    & skf18("4","7","3","5","10","8","1") = "9"
    & skf18("4","7","3","5","10","9","1") = "9"
    & skf18("4","7","3","5","10","10","1") = "9"
    & skf18("4","7","3","6","1","1","1") = "6"
    & skf18("4","7","3","6","1","2","1") = "6"
    & skf18("4","7","3","6","1","3","1") = "6"
    & skf18("4","7","3","6","1","4","1") = "6"
    & skf18("4","7","3","6","1","5","1") = "6"
    & skf18("4","7","3","6","1","6","1") = "6"
    & skf18("4","7","3","6","1","7","1") = "6"
    & skf18("4","7","3","6","1","8","1") = "7"
    & skf18("4","7","3","6","1","9","1") = "8"
    & skf18("4","7","3","6","1","10","1") = "9"
    & skf18("4","7","3","6","2","1","1") = "6"
    & skf18("4","7","3","6","2","2","1") = "6"
    & skf18("4","7","3","6","2","3","1") = "6"
    & skf18("4","7","3","6","2","4","1") = "6"
    & skf18("4","7","3","6","2","5","1") = "6"
    & skf18("4","7","3","6","2","6","1") = "6"
    & skf18("4","7","3","6","2","7","1") = "6"
    & skf18("4","7","3","6","2","8","1") = "7"
    & skf18("4","7","3","6","2","9","1") = "8"
    & skf18("4","7","3","6","2","10","1") = "9"
    & skf18("4","7","3","6","3","1","1") = "6"
    & skf18("4","7","3","6","3","2","1") = "6"
    & skf18("4","7","3","6","3","3","1") = "6"
    & skf18("4","7","3","6","3","4","1") = "6"
    & skf18("4","7","3","6","3","5","1") = "6"
    & skf18("4","7","3","6","3","6","1") = "6"
    & skf18("4","7","3","6","3","7","1") = "6"
    & skf18("4","7","3","6","3","8","1") = "7"
    & skf18("4","7","3","6","3","9","1") = "8"
    & skf18("4","7","3","6","3","10","1") = "9"
    & skf18("4","7","3","6","4","1","1") = "6"
    & skf18("4","7","3","6","4","2","1") = "6"
    & skf18("4","7","3","6","4","3","1") = "6"
    & skf18("4","7","3","6","4","4","1") = "6"
    & skf18("4","7","3","6","4","5","1") = "6"
    & skf18("4","7","3","6","4","6","1") = "6"
    & skf18("4","7","3","6","4","7","1") = "6"
    & skf18("4","7","3","6","4","8","1") = "7"
    & skf18("4","7","3","6","4","9","1") = "8"
    & skf18("4","7","3","6","4","10","1") = "9"
    & skf18("4","7","3","6","5","1","1") = "6"
    & skf18("4","7","3","6","5","2","1") = "6"
    & skf18("4","7","3","6","5","3","1") = "6"
    & skf18("4","7","3","6","5","4","1") = "6"
    & skf18("4","7","3","6","5","5","1") = "6"
    & skf18("4","7","3","6","5","6","1") = "6"
    & skf18("4","7","3","6","5","7","1") = "6"
    & skf18("4","7","3","6","5","8","1") = "7"
    & skf18("4","7","3","6","5","9","1") = "8"
    & skf18("4","7","3","6","5","10","1") = "9"
    & skf18("4","7","3","6","6","1","1") = "6"
    & skf18("4","7","3","6","6","2","1") = "6"
    & skf18("4","7","3","6","6","3","1") = "6"
    & skf18("4","7","3","6","6","4","1") = "6"
    & skf18("4","7","3","6","6","5","1") = "6"
    & skf18("4","7","3","6","6","6","1") = "6"
    & skf18("4","7","3","6","6","7","1") = "6"
    & skf18("4","7","3","6","6","8","1") = "7"
    & skf18("4","7","3","6","6","9","1") = "8"
    & skf18("4","7","3","6","6","10","1") = "9"
    & skf18("4","7","3","6","7","1","1") = "6"
    & skf18("4","7","3","6","7","2","1") = "6"
    & skf18("4","7","3","6","7","3","1") = "6"
    & skf18("4","7","3","6","7","4","1") = "6"
    & skf18("4","7","3","6","7","5","1") = "6"
    & skf18("4","7","3","6","7","6","1") = "6"
    & skf18("4","7","3","6","7","7","1") = "6"
    & skf18("4","7","3","6","7","8","1") = "7"
    & skf18("4","7","3","6","7","9","1") = "8"
    & skf18("4","7","3","6","7","10","1") = "9"
    & skf18("4","7","3","6","8","1","1") = "7"
    & skf18("4","7","3","6","8","2","1") = "7"
    & skf18("4","7","3","6","8","3","1") = "7"
    & skf18("4","7","3","6","8","4","1") = "7"
    & skf18("4","7","3","6","8","5","1") = "7"
    & skf18("4","7","3","6","8","6","1") = "7"
    & skf18("4","7","3","6","8","7","1") = "7"
    & skf18("4","7","3","6","8","8","1") = "7"
    & skf18("4","7","3","6","8","9","1") = "8"
    & skf18("4","7","3","6","8","10","1") = "9"
    & skf18("4","7","3","6","9","1","1") = "8"
    & skf18("4","7","3","6","9","2","1") = "8"
    & skf18("4","7","3","6","9","3","1") = "8"
    & skf18("4","7","3","6","9","4","1") = "8"
    & skf18("4","7","3","6","9","5","1") = "8"
    & skf18("4","7","3","6","9","6","1") = "8"
    & skf18("4","7","3","6","9","7","1") = "8"
    & skf18("4","7","3","6","9","8","1") = "8"
    & skf18("4","7","3","6","9","9","1") = "8"
    & skf18("4","7","3","6","9","10","1") = "9"
    & skf18("4","7","3","6","10","1","1") = "9"
    & skf18("4","7","3","6","10","2","1") = "9"
    & skf18("4","7","3","6","10","3","1") = "9"
    & skf18("4","7","3","6","10","4","1") = "9"
    & skf18("4","7","3","6","10","5","1") = "9"
    & skf18("4","7","3","6","10","6","1") = "9"
    & skf18("4","7","3","6","10","7","1") = "9"
    & skf18("4","7","3","6","10","8","1") = "9"
    & skf18("4","7","3","6","10","9","1") = "9"
    & skf18("4","7","3","6","10","10","1") = "9"
    & skf18("4","7","3","7","1","1","1") = "6"
    & skf18("4","7","3","7","1","2","1") = "6"
    & skf18("4","7","3","7","1","3","1") = "6"
    & skf18("4","7","3","7","1","4","1") = "6"
    & skf18("4","7","3","7","1","5","1") = "6"
    & skf18("4","7","3","7","1","6","1") = "6"
    & skf18("4","7","3","7","1","7","1") = "6"
    & skf18("4","7","3","7","1","8","1") = "7"
    & skf18("4","7","3","7","1","9","1") = "8"
    & skf18("4","7","3","7","1","10","1") = "9"
    & skf18("4","7","3","7","2","1","1") = "6"
    & skf18("4","7","3","7","2","2","1") = "6"
    & skf18("4","7","3","7","2","3","1") = "6"
    & skf18("4","7","3","7","2","4","1") = "6"
    & skf18("4","7","3","7","2","5","1") = "6"
    & skf18("4","7","3","7","2","6","1") = "6"
    & skf18("4","7","3","7","2","7","1") = "6"
    & skf18("4","7","3","7","2","8","1") = "7"
    & skf18("4","7","3","7","2","9","1") = "8"
    & skf18("4","7","3","7","2","10","1") = "9"
    & skf18("4","7","3","7","3","1","1") = "6"
    & skf18("4","7","3","7","3","2","1") = "6"
    & skf18("4","7","3","7","3","3","1") = "6"
    & skf18("4","7","3","7","3","4","1") = "6"
    & skf18("4","7","3","7","3","5","1") = "6"
    & skf18("4","7","3","7","3","6","1") = "6"
    & skf18("4","7","3","7","3","7","1") = "6"
    & skf18("4","7","3","7","3","8","1") = "7"
    & skf18("4","7","3","7","3","9","1") = "8"
    & skf18("4","7","3","7","3","10","1") = "9"
    & skf18("4","7","3","7","4","1","1") = "6"
    & skf18("4","7","3","7","4","2","1") = "6"
    & skf18("4","7","3","7","4","3","1") = "6"
    & skf18("4","7","3","7","4","4","1") = "6"
    & skf18("4","7","3","7","4","5","1") = "6"
    & skf18("4","7","3","7","4","6","1") = "6"
    & skf18("4","7","3","7","4","7","1") = "6"
    & skf18("4","7","3","7","4","8","1") = "7"
    & skf18("4","7","3","7","4","9","1") = "8"
    & skf18("4","7","3","7","4","10","1") = "9"
    & skf18("4","7","3","7","5","1","1") = "6"
    & skf18("4","7","3","7","5","2","1") = "6"
    & skf18("4","7","3","7","5","3","1") = "6"
    & skf18("4","7","3","7","5","4","1") = "6"
    & skf18("4","7","3","7","5","5","1") = "6"
    & skf18("4","7","3","7","5","6","1") = "6"
    & skf18("4","7","3","7","5","7","1") = "6"
    & skf18("4","7","3","7","5","8","1") = "7"
    & skf18("4","7","3","7","5","9","1") = "8"
    & skf18("4","7","3","7","5","10","1") = "9"
    & skf18("4","7","3","7","6","1","1") = "6"
    & skf18("4","7","3","7","6","2","1") = "6"
    & skf18("4","7","3","7","6","3","1") = "6"
    & skf18("4","7","3","7","6","4","1") = "6"
    & skf18("4","7","3","7","6","5","1") = "6"
    & skf18("4","7","3","7","6","6","1") = "6"
    & skf18("4","7","3","7","6","7","1") = "6"
    & skf18("4","7","3","7","6","8","1") = "7"
    & skf18("4","7","3","7","6","9","1") = "8"
    & skf18("4","7","3","7","6","10","1") = "9"
    & skf18("4","7","3","7","7","1","1") = "6"
    & skf18("4","7","3","7","7","2","1") = "6"
    & skf18("4","7","3","7","7","3","1") = "6"
    & skf18("4","7","3","7","7","4","1") = "6"
    & skf18("4","7","3","7","7","5","1") = "6"
    & skf18("4","7","3","7","7","6","1") = "6"
    & skf18("4","7","3","7","7","7","1") = "6"
    & skf18("4","7","3","7","7","8","1") = "7"
    & skf18("4","7","3","7","7","9","1") = "8"
    & skf18("4","7","3","7","7","10","1") = "9"
    & skf18("4","7","3","7","8","1","1") = "7"
    & skf18("4","7","3","7","8","2","1") = "7"
    & skf18("4","7","3","7","8","3","1") = "7"
    & skf18("4","7","3","7","8","4","1") = "7"
    & skf18("4","7","3","7","8","5","1") = "7"
    & skf18("4","7","3","7","8","6","1") = "7"
    & skf18("4","7","3","7","8","7","1") = "7"
    & skf18("4","7","3","7","8","8","1") = "7"
    & skf18("4","7","3","7","8","9","1") = "8"
    & skf18("4","7","3","7","8","10","1") = "9"
    & skf18("4","7","3","7","9","1","1") = "8"
    & skf18("4","7","3","7","9","2","1") = "8"
    & skf18("4","7","3","7","9","3","1") = "8"
    & skf18("4","7","3","7","9","4","1") = "8"
    & skf18("4","7","3","7","9","5","1") = "8"
    & skf18("4","7","3","7","9","6","1") = "8"
    & skf18("4","7","3","7","9","7","1") = "8"
    & skf18("4","7","3","7","9","8","1") = "8"
    & skf18("4","7","3","7","9","9","1") = "8"
    & skf18("4","7","3","7","9","10","1") = "9"
    & skf18("4","7","3","7","10","1","1") = "9"
    & skf18("4","7","3","7","10","2","1") = "9"
    & skf18("4","7","3","7","10","3","1") = "9"
    & skf18("4","7","3","7","10","4","1") = "9"
    & skf18("4","7","3","7","10","5","1") = "9"
    & skf18("4","7","3","7","10","6","1") = "9"
    & skf18("4","7","3","7","10","7","1") = "9"
    & skf18("4","7","3","7","10","8","1") = "9"
    & skf18("4","7","3","7","10","9","1") = "9"
    & skf18("4","7","3","7","10","10","1") = "9"
    & skf18("4","7","3","8","1","1","1") = "7"
    & skf18("4","7","3","8","1","2","1") = "7"
    & skf18("4","7","3","8","1","3","1") = "7"
    & skf18("4","7","3","8","1","4","1") = "7"
    & skf18("4","7","3","8","1","5","1") = "7"
    & skf18("4","7","3","8","1","6","1") = "7"
    & skf18("4","7","3","8","1","7","1") = "7"
    & skf18("4","7","3","8","1","8","1") = "7"
    & skf18("4","7","3","8","1","9","1") = "8"
    & skf18("4","7","3","8","1","10","1") = "9"
    & skf18("4","7","3","8","2","1","1") = "7"
    & skf18("4","7","3","8","2","2","1") = "7"
    & skf18("4","7","3","8","2","3","1") = "7"
    & skf18("4","7","3","8","2","4","1") = "7"
    & skf18("4","7","3","8","2","5","1") = "7"
    & skf18("4","7","3","8","2","6","1") = "7"
    & skf18("4","7","3","8","2","7","1") = "7"
    & skf18("4","7","3","8","2","8","1") = "7"
    & skf18("4","7","3","8","2","9","1") = "8"
    & skf18("4","7","3","8","2","10","1") = "9"
    & skf18("4","7","3","8","3","1","1") = "7"
    & skf18("4","7","3","8","3","2","1") = "7"
    & skf18("4","7","3","8","3","3","1") = "7"
    & skf18("4","7","3","8","3","4","1") = "7"
    & skf18("4","7","3","8","3","5","1") = "7"
    & skf18("4","7","3","8","3","6","1") = "7"
    & skf18("4","7","3","8","3","7","1") = "7"
    & skf18("4","7","3","8","3","8","1") = "7"
    & skf18("4","7","3","8","3","9","1") = "8"
    & skf18("4","7","3","8","3","10","1") = "9"
    & skf18("4","7","3","8","4","1","1") = "7"
    & skf18("4","7","3","8","4","2","1") = "7"
    & skf18("4","7","3","8","4","3","1") = "7"
    & skf18("4","7","3","8","4","4","1") = "7"
    & skf18("4","7","3","8","4","5","1") = "7"
    & skf18("4","7","3","8","4","6","1") = "7"
    & skf18("4","7","3","8","4","7","1") = "7"
    & skf18("4","7","3","8","4","8","1") = "7"
    & skf18("4","7","3","8","4","9","1") = "8"
    & skf18("4","7","3","8","4","10","1") = "9"
    & skf18("4","7","3","8","5","1","1") = "7"
    & skf18("4","7","3","8","5","2","1") = "7"
    & skf18("4","7","3","8","5","3","1") = "7"
    & skf18("4","7","3","8","5","4","1") = "7"
    & skf18("4","7","3","8","5","5","1") = "7"
    & skf18("4","7","3","8","5","6","1") = "7"
    & skf18("4","7","3","8","5","7","1") = "7"
    & skf18("4","7","3","8","5","8","1") = "7"
    & skf18("4","7","3","8","5","9","1") = "8"
    & skf18("4","7","3","8","5","10","1") = "9"
    & skf18("4","7","3","8","6","1","1") = "7"
    & skf18("4","7","3","8","6","2","1") = "7"
    & skf18("4","7","3","8","6","3","1") = "7"
    & skf18("4","7","3","8","6","4","1") = "7"
    & skf18("4","7","3","8","6","5","1") = "7"
    & skf18("4","7","3","8","6","6","1") = "7"
    & skf18("4","7","3","8","6","7","1") = "7"
    & skf18("4","7","3","8","6","8","1") = "7"
    & skf18("4","7","3","8","6","9","1") = "8"
    & skf18("4","7","3","8","6","10","1") = "9"
    & skf18("4","7","3","8","7","1","1") = "7"
    & skf18("4","7","3","8","7","2","1") = "7"
    & skf18("4","7","3","8","7","3","1") = "7"
    & skf18("4","7","3","8","7","4","1") = "7"
    & skf18("4","7","3","8","7","5","1") = "7"
    & skf18("4","7","3","8","7","6","1") = "7"
    & skf18("4","7","3","8","7","7","1") = "7"
    & skf18("4","7","3","8","7","8","1") = "7"
    & skf18("4","7","3","8","7","9","1") = "8"
    & skf18("4","7","3","8","7","10","1") = "9"
    & skf18("4","7","3","8","8","1","1") = "7"
    & skf18("4","7","3","8","8","2","1") = "7"
    & skf18("4","7","3","8","8","3","1") = "7"
    & skf18("4","7","3","8","8","4","1") = "7"
    & skf18("4","7","3","8","8","5","1") = "7"
    & skf18("4","7","3","8","8","6","1") = "7"
    & skf18("4","7","3","8","8","7","1") = "7"
    & skf18("4","7","3","8","8","8","1") = "7"
    & skf18("4","7","3","8","8","9","1") = "8"
    & skf18("4","7","3","8","8","10","1") = "9"
    & skf18("4","7","3","8","9","1","1") = "8"
    & skf18("4","7","3","8","9","2","1") = "8"
    & skf18("4","7","3","8","9","3","1") = "8"
    & skf18("4","7","3","8","9","4","1") = "8"
    & skf18("4","7","3","8","9","5","1") = "8"
    & skf18("4","7","3","8","9","6","1") = "8"
    & skf18("4","7","3","8","9","7","1") = "8"
    & skf18("4","7","3","8","9","8","1") = "8"
    & skf18("4","7","3","8","9","9","1") = "8"
    & skf18("4","7","3","8","9","10","1") = "9"
    & skf18("4","7","3","8","10","1","1") = "9"
    & skf18("4","7","3","8","10","2","1") = "9"
    & skf18("4","7","3","8","10","3","1") = "9"
    & skf18("4","7","3","8","10","4","1") = "9"
    & skf18("4","7","3","8","10","5","1") = "9"
    & skf18("4","7","3","8","10","6","1") = "9"
    & skf18("4","7","3","8","10","7","1") = "9"
    & skf18("4","7","3","8","10","8","1") = "9"
    & skf18("4","7","3","8","10","9","1") = "9"
    & skf18("4","7","3","8","10","10","1") = "9"
    & skf18("4","7","3","9","1","1","1") = "8"
    & skf18("4","7","3","9","1","2","1") = "8"
    & skf18("4","7","3","9","1","3","1") = "8"
    & skf18("4","7","3","9","1","4","1") = "8"
    & skf18("4","7","3","9","1","5","1") = "8"
    & skf18("4","7","3","9","1","6","1") = "8"
    & skf18("4","7","3","9","1","7","1") = "8"
    & skf18("4","7","3","9","1","8","1") = "8"
    & skf18("4","7","3","9","1","9","1") = "8"
    & skf18("4","7","3","9","1","10","1") = "9"
    & skf18("4","7","3","9","2","1","1") = "8"
    & skf18("4","7","3","9","2","2","1") = "8"
    & skf18("4","7","3","9","2","3","1") = "8"
    & skf18("4","7","3","9","2","4","1") = "8"
    & skf18("4","7","3","9","2","5","1") = "8"
    & skf18("4","7","3","9","2","6","1") = "8"
    & skf18("4","7","3","9","2","7","1") = "8"
    & skf18("4","7","3","9","2","8","1") = "8"
    & skf18("4","7","3","9","2","9","1") = "8"
    & skf18("4","7","3","9","2","10","1") = "9"
    & skf18("4","7","3","9","3","1","1") = "8"
    & skf18("4","7","3","9","3","2","1") = "8"
    & skf18("4","7","3","9","3","3","1") = "8"
    & skf18("4","7","3","9","3","4","1") = "8"
    & skf18("4","7","3","9","3","5","1") = "8"
    & skf18("4","7","3","9","3","6","1") = "8"
    & skf18("4","7","3","9","3","7","1") = "8"
    & skf18("4","7","3","9","3","8","1") = "8"
    & skf18("4","7","3","9","3","9","1") = "8"
    & skf18("4","7","3","9","3","10","1") = "9"
    & skf18("4","7","3","9","4","1","1") = "8"
    & skf18("4","7","3","9","4","2","1") = "8"
    & skf18("4","7","3","9","4","3","1") = "8"
    & skf18("4","7","3","9","4","4","1") = "8"
    & skf18("4","7","3","9","4","5","1") = "8"
    & skf18("4","7","3","9","4","6","1") = "8"
    & skf18("4","7","3","9","4","7","1") = "8"
    & skf18("4","7","3","9","4","8","1") = "8"
    & skf18("4","7","3","9","4","9","1") = "8"
    & skf18("4","7","3","9","4","10","1") = "9"
    & skf18("4","7","3","9","5","1","1") = "8"
    & skf18("4","7","3","9","5","2","1") = "8"
    & skf18("4","7","3","9","5","3","1") = "8"
    & skf18("4","7","3","9","5","4","1") = "8"
    & skf18("4","7","3","9","5","5","1") = "8"
    & skf18("4","7","3","9","5","6","1") = "8"
    & skf18("4","7","3","9","5","7","1") = "8"
    & skf18("4","7","3","9","5","8","1") = "8"
    & skf18("4","7","3","9","5","9","1") = "8"
    & skf18("4","7","3","9","5","10","1") = "9"
    & skf18("4","7","3","9","6","1","1") = "8"
    & skf18("4","7","3","9","6","2","1") = "8"
    & skf18("4","7","3","9","6","3","1") = "8"
    & skf18("4","7","3","9","6","4","1") = "8"
    & skf18("4","7","3","9","6","5","1") = "8"
    & skf18("4","7","3","9","6","6","1") = "8"
    & skf18("4","7","3","9","6","7","1") = "8"
    & skf18("4","7","3","9","6","8","1") = "8"
    & skf18("4","7","3","9","6","9","1") = "8"
    & skf18("4","7","3","9","6","10","1") = "9"
    & skf18("4","7","3","9","7","1","1") = "8"
    & skf18("4","7","3","9","7","2","1") = "8"
    & skf18("4","7","3","9","7","3","1") = "8"
    & skf18("4","7","3","9","7","4","1") = "8"
    & skf18("4","7","3","9","7","5","1") = "8"
    & skf18("4","7","3","9","7","6","1") = "8"
    & skf18("4","7","3","9","7","7","1") = "8"
    & skf18("4","7","3","9","7","8","1") = "8"
    & skf18("4","7","3","9","7","9","1") = "8"
    & skf18("4","7","3","9","7","10","1") = "9"
    & skf18("4","7","3","9","8","1","1") = "8"
    & skf18("4","7","3","9","8","2","1") = "8"
    & skf18("4","7","3","9","8","3","1") = "8"
    & skf18("4","7","3","9","8","4","1") = "8"
    & skf18("4","7","3","9","8","5","1") = "8"
    & skf18("4","7","3","9","8","6","1") = "8"
    & skf18("4","7","3","9","8","7","1") = "8"
    & skf18("4","7","3","9","8","8","1") = "8"
    & skf18("4","7","3","9","8","9","1") = "8"
    & skf18("4","7","3","9","8","10","1") = "9"
    & skf18("4","7","3","9","9","1","1") = "8"
    & skf18("4","7","3","9","9","2","1") = "8"
    & skf18("4","7","3","9","9","3","1") = "8"
    & skf18("4","7","3","9","9","4","1") = "8"
    & skf18("4","7","3","9","9","5","1") = "8"
    & skf18("4","7","3","9","9","6","1") = "8"
    & skf18("4","7","3","9","9","7","1") = "8"
    & skf18("4","7","3","9","9","8","1") = "8"
    & skf18("4","7","3","9","9","9","1") = "8"
    & skf18("4","7","3","9","9","10","1") = "9"
    & skf18("4","7","3","9","10","1","1") = "9"
    & skf18("4","7","3","9","10","2","1") = "9"
    & skf18("4","7","3","9","10","3","1") = "9"
    & skf18("4","7","3","9","10","4","1") = "9"
    & skf18("4","7","3","9","10","5","1") = "9"
    & skf18("4","7","3","9","10","6","1") = "9"
    & skf18("4","7","3","9","10","7","1") = "9"
    & skf18("4","7","3","9","10","8","1") = "9"
    & skf18("4","7","3","9","10","9","1") = "9"
    & skf18("4","7","3","9","10","10","1") = "9"
    & skf18("4","7","3","10","1","1","1") = "9"
    & skf18("4","7","3","10","1","2","1") = "9"
    & skf18("4","7","3","10","1","3","1") = "9"
    & skf18("4","7","3","10","1","4","1") = "9"
    & skf18("4","7","3","10","1","5","1") = "9"
    & skf18("4","7","3","10","1","6","1") = "9"
    & skf18("4","7","3","10","1","7","1") = "9"
    & skf18("4","7","3","10","1","8","1") = "9"
    & skf18("4","7","3","10","1","9","1") = "9"
    & skf18("4","7","3","10","1","10","1") = "9"
    & skf18("4","7","3","10","2","1","1") = "9"
    & skf18("4","7","3","10","2","2","1") = "9"
    & skf18("4","7","3","10","2","3","1") = "9"
    & skf18("4","7","3","10","2","4","1") = "9"
    & skf18("4","7","3","10","2","5","1") = "9"
    & skf18("4","7","3","10","2","6","1") = "9"
    & skf18("4","7","3","10","2","7","1") = "9"
    & skf18("4","7","3","10","2","8","1") = "9"
    & skf18("4","7","3","10","2","9","1") = "9"
    & skf18("4","7","3","10","2","10","1") = "9"
    & skf18("4","7","3","10","3","1","1") = "9"
    & skf18("4","7","3","10","3","2","1") = "9"
    & skf18("4","7","3","10","3","3","1") = "9"
    & skf18("4","7","3","10","3","4","1") = "9"
    & skf18("4","7","3","10","3","5","1") = "9"
    & skf18("4","7","3","10","3","6","1") = "9"
    & skf18("4","7","3","10","3","7","1") = "9"
    & skf18("4","7","3","10","3","8","1") = "9"
    & skf18("4","7","3","10","3","9","1") = "9"
    & skf18("4","7","3","10","3","10","1") = "9"
    & skf18("4","7","3","10","4","1","1") = "9"
    & skf18("4","7","3","10","4","2","1") = "9"
    & skf18("4","7","3","10","4","3","1") = "9"
    & skf18("4","7","3","10","4","4","1") = "9"
    & skf18("4","7","3","10","4","5","1") = "9"
    & skf18("4","7","3","10","4","6","1") = "9"
    & skf18("4","7","3","10","4","7","1") = "9"
    & skf18("4","7","3","10","4","8","1") = "9"
    & skf18("4","7","3","10","4","9","1") = "9"
    & skf18("4","7","3","10","4","10","1") = "9"
    & skf18("4","7","3","10","5","1","1") = "9"
    & skf18("4","7","3","10","5","2","1") = "9"
    & skf18("4","7","3","10","5","3","1") = "9"
    & skf18("4","7","3","10","5","4","1") = "9"
    & skf18("4","7","3","10","5","5","1") = "9"
    & skf18("4","7","3","10","5","6","1") = "9"
    & skf18("4","7","3","10","5","7","1") = "9"
    & skf18("4","7","3","10","5","8","1") = "9"
    & skf18("4","7","3","10","5","9","1") = "9"
    & skf18("4","7","3","10","5","10","1") = "9"
    & skf18("4","7","3","10","6","1","1") = "9"
    & skf18("4","7","3","10","6","2","1") = "9"
    & skf18("4","7","3","10","6","3","1") = "9"
    & skf18("4","7","3","10","6","4","1") = "9"
    & skf18("4","7","3","10","6","5","1") = "9"
    & skf18("4","7","3","10","6","6","1") = "9"
    & skf18("4","7","3","10","6","7","1") = "9"
    & skf18("4","7","3","10","6","8","1") = "9"
    & skf18("4","7","3","10","6","9","1") = "9"
    & skf18("4","7","3","10","6","10","1") = "9"
    & skf18("4","7","3","10","7","1","1") = "9"
    & skf18("4","7","3","10","7","2","1") = "9"
    & skf18("4","7","3","10","7","3","1") = "9"
    & skf18("4","7","3","10","7","4","1") = "9"
    & skf18("4","7","3","10","7","5","1") = "9"
    & skf18("4","7","3","10","7","6","1") = "9"
    & skf18("4","7","3","10","7","7","1") = "9"
    & skf18("4","7","3","10","7","8","1") = "9"
    & skf18("4","7","3","10","7","9","1") = "9"
    & skf18("4","7","3","10","7","10","1") = "9"
    & skf18("4","7","3","10","8","1","1") = "9"
    & skf18("4","7","3","10","8","2","1") = "9"
    & skf18("4","7","3","10","8","3","1") = "9"
    & skf18("4","7","3","10","8","4","1") = "9"
    & skf18("4","7","3","10","8","5","1") = "9"
    & skf18("4","7","3","10","8","6","1") = "9"
    & skf18("4","7","3","10","8","7","1") = "9"
    & skf18("4","7","3","10","8","8","1") = "9"
    & skf18("4","7","3","10","8","9","1") = "9"
    & skf18("4","7","3","10","8","10","1") = "9"
    & skf18("4","7","3","10","9","1","1") = "9"
    & skf18("4","7","3","10","9","2","1") = "9"
    & skf18("4","7","3","10","9","3","1") = "9"
    & skf18("4","7","3","10","9","4","1") = "9"
    & skf18("4","7","3","10","9","5","1") = "9"
    & skf18("4","7","3","10","9","6","1") = "9"
    & skf18("4","7","3","10","9","7","1") = "9"
    & skf18("4","7","3","10","9","8","1") = "9"
    & skf18("4","7","3","10","9","9","1") = "9"
    & skf18("4","7","3","10","9","10","1") = "9"
    & skf18("4","7","3","10","10","1","1") = "9"
    & skf18("4","7","3","10","10","2","1") = "9"
    & skf18("4","7","3","10","10","3","1") = "9"
    & skf18("4","7","3","10","10","4","1") = "9"
    & skf18("4","7","3","10","10","5","1") = "9"
    & skf18("4","7","3","10","10","6","1") = "9"
    & skf18("4","7","3","10","10","7","1") = "9"
    & skf18("4","7","3","10","10","8","1") = "9"
    & skf18("4","7","3","10","10","9","1") = "9"
    & skf18("4","7","3","10","10","10","1") = "9"
    & skf18("4","7","4","1","1","1","1") = "6"
    & skf18("4","7","4","1","1","2","1") = "6"
    & skf18("4","7","4","1","1","3","1") = "6"
    & skf18("4","7","4","1","1","4","1") = "6"
    & skf18("4","7","4","1","1","5","1") = "6"
    & skf18("4","7","4","1","1","6","1") = "6"
    & skf18("4","7","4","1","1","7","1") = "6"
    & skf18("4","7","4","1","1","8","1") = "7"
    & skf18("4","7","4","1","1","9","1") = "8"
    & skf18("4","7","4","1","1","10","1") = "9"
    & skf18("4","7","4","1","2","1","1") = "6"
    & skf18("4","7","4","1","2","2","1") = "6"
    & skf18("4","7","4","1","2","3","1") = "6"
    & skf18("4","7","4","1","2","4","1") = "6"
    & skf18("4","7","4","1","2","5","1") = "6"
    & skf18("4","7","4","1","2","6","1") = "6"
    & skf18("4","7","4","1","2","7","1") = "6"
    & skf18("4","7","4","1","2","8","1") = "7"
    & skf18("4","7","4","1","2","9","1") = "8"
    & skf18("4","7","4","1","2","10","1") = "9"
    & skf18("4","7","4","1","3","1","1") = "6"
    & skf18("4","7","4","1","3","2","1") = "6"
    & skf18("4","7","4","1","3","3","1") = "6"
    & skf18("4","7","4","1","3","4","1") = "6"
    & skf18("4","7","4","1","3","5","1") = "6"
    & skf18("4","7","4","1","3","6","1") = "6"
    & skf18("4","7","4","1","3","7","1") = "6"
    & skf18("4","7","4","1","3","8","1") = "7"
    & skf18("4","7","4","1","3","9","1") = "8"
    & skf18("4","7","4","1","3","10","1") = "9"
    & skf18("4","7","4","1","4","1","1") = "6"
    & skf18("4","7","4","1","4","2","1") = "6"
    & skf18("4","7","4","1","4","3","1") = "6"
    & skf18("4","7","4","1","4","4","1") = "6"
    & skf18("4","7","4","1","4","5","1") = "6"
    & skf18("4","7","4","1","4","6","1") = "6"
    & skf18("4","7","4","1","4","7","1") = "6"
    & skf18("4","7","4","1","4","8","1") = "7"
    & skf18("4","7","4","1","4","9","1") = "8"
    & skf18("4","7","4","1","4","10","1") = "9"
    & skf18("4","7","4","1","5","1","1") = "6"
    & skf18("4","7","4","1","5","2","1") = "6"
    & skf18("4","7","4","1","5","3","1") = "6"
    & skf18("4","7","4","1","5","4","1") = "6"
    & skf18("4","7","4","1","5","5","1") = "6"
    & skf18("4","7","4","1","5","6","1") = "6"
    & skf18("4","7","4","1","5","7","1") = "6"
    & skf18("4","7","4","1","5","8","1") = "7"
    & skf18("4","7","4","1","5","9","1") = "8"
    & skf18("4","7","4","1","5","10","1") = "9"
    & skf18("4","7","4","1","6","1","1") = "6"
    & skf18("4","7","4","1","6","2","1") = "6"
    & skf18("4","7","4","1","6","3","1") = "6"
    & skf18("4","7","4","1","6","4","1") = "6"
    & skf18("4","7","4","1","6","5","1") = "6"
    & skf18("4","7","4","1","6","6","1") = "6"
    & skf18("4","7","4","1","6","7","1") = "6"
    & skf18("4","7","4","1","6","8","1") = "7"
    & skf18("4","7","4","1","6","9","1") = "8"
    & skf18("4","7","4","1","6","10","1") = "9"
    & skf18("4","7","4","1","7","1","1") = "6"
    & skf18("4","7","4","1","7","2","1") = "6"
    & skf18("4","7","4","1","7","3","1") = "6"
    & skf18("4","7","4","1","7","4","1") = "6"
    & skf18("4","7","4","1","7","5","1") = "6"
    & skf18("4","7","4","1","7","6","1") = "6"
    & skf18("4","7","4","1","7","7","1") = "6"
    & skf18("4","7","4","1","7","8","1") = "7"
    & skf18("4","7","4","1","7","9","1") = "8"
    & skf18("4","7","4","1","7","10","1") = "9"
    & skf18("4","7","4","1","8","1","1") = "7"
    & skf18("4","7","4","1","8","2","1") = "7"
    & skf18("4","7","4","1","8","3","1") = "7"
    & skf18("4","7","4","1","8","4","1") = "7"
    & skf18("4","7","4","1","8","5","1") = "7"
    & skf18("4","7","4","1","8","6","1") = "7"
    & skf18("4","7","4","1","8","7","1") = "7"
    & skf18("4","7","4","1","8","8","1") = "7"
    & skf18("4","7","4","1","8","9","1") = "8"
    & skf18("4","7","4","1","8","10","1") = "9"
    & skf18("4","7","4","1","9","1","1") = "8"
    & skf18("4","7","4","1","9","2","1") = "8"
    & skf18("4","7","4","1","9","3","1") = "8"
    & skf18("4","7","4","1","9","4","1") = "8"
    & skf18("4","7","4","1","9","5","1") = "8"
    & skf18("4","7","4","1","9","6","1") = "8"
    & skf18("4","7","4","1","9","7","1") = "8"
    & skf18("4","7","4","1","9","8","1") = "8"
    & skf18("4","7","4","1","9","9","1") = "8"
    & skf18("4","7","4","1","9","10","1") = "9"
    & skf18("4","7","4","1","10","1","1") = "9"
    & skf18("4","7","4","1","10","2","1") = "9"
    & skf18("4","7","4","1","10","3","1") = "9"
    & skf18("4","7","4","1","10","4","1") = "9"
    & skf18("4","7","4","1","10","5","1") = "9"
    & skf18("4","7","4","1","10","6","1") = "9"
    & skf18("4","7","4","1","10","7","1") = "9"
    & skf18("4","7","4","1","10","8","1") = "9"
    & skf18("4","7","4","1","10","9","1") = "9"
    & skf18("4","7","4","1","10","10","1") = "9"
    & skf18("4","7","4","2","1","1","1") = "6"
    & skf18("4","7","4","2","1","2","1") = "6"
    & skf18("4","7","4","2","1","3","1") = "6"
    & skf18("4","7","4","2","1","4","1") = "6"
    & skf18("4","7","4","2","1","5","1") = "6"
    & skf18("4","7","4","2","1","6","1") = "6"
    & skf18("4","7","4","2","1","7","1") = "6"
    & skf18("4","7","4","2","1","8","1") = "7"
    & skf18("4","7","4","2","1","9","1") = "8"
    & skf18("4","7","4","2","1","10","1") = "9"
    & skf18("4","7","4","2","2","1","1") = "6"
    & skf18("4","7","4","2","2","2","1") = "6"
    & skf18("4","7","4","2","2","3","1") = "6"
    & skf18("4","7","4","2","2","4","1") = "6"
    & skf18("4","7","4","2","2","5","1") = "6"
    & skf18("4","7","4","2","2","6","1") = "6"
    & skf18("4","7","4","2","2","7","1") = "6"
    & skf18("4","7","4","2","2","8","1") = "7"
    & skf18("4","7","4","2","2","9","1") = "8"
    & skf18("4","7","4","2","2","10","1") = "9"
    & skf18("4","7","4","2","3","1","1") = "6"
    & skf18("4","7","4","2","3","2","1") = "6"
    & skf18("4","7","4","2","3","3","1") = "6"
    & skf18("4","7","4","2","3","4","1") = "6"
    & skf18("4","7","4","2","3","5","1") = "6"
    & skf18("4","7","4","2","3","6","1") = "6"
    & skf18("4","7","4","2","3","7","1") = "6"
    & skf18("4","7","4","2","3","8","1") = "7"
    & skf18("4","7","4","2","3","9","1") = "8"
    & skf18("4","7","4","2","3","10","1") = "9"
    & skf18("4","7","4","2","4","1","1") = "6"
    & skf18("4","7","4","2","4","2","1") = "6"
    & skf18("4","7","4","2","4","3","1") = "6"
    & skf18("4","7","4","2","4","4","1") = "6"
    & skf18("4","7","4","2","4","5","1") = "6"
    & skf18("4","7","4","2","4","6","1") = "6"
    & skf18("4","7","4","2","4","7","1") = "6"
    & skf18("4","7","4","2","4","8","1") = "7"
    & skf18("4","7","4","2","4","9","1") = "8"
    & skf18("4","7","4","2","4","10","1") = "9"
    & skf18("4","7","4","2","5","1","1") = "6"
    & skf18("4","7","4","2","5","2","1") = "6"
    & skf18("4","7","4","2","5","3","1") = "6"
    & skf18("4","7","4","2","5","4","1") = "6"
    & skf18("4","7","4","2","5","5","1") = "6"
    & skf18("4","7","4","2","5","6","1") = "6"
    & skf18("4","7","4","2","5","7","1") = "6"
    & skf18("4","7","4","2","5","8","1") = "7"
    & skf18("4","7","4","2","5","9","1") = "8"
    & skf18("4","7","4","2","5","10","1") = "9"
    & skf18("4","7","4","2","6","1","1") = "6"
    & skf18("4","7","4","2","6","2","1") = "6"
    & skf18("4","7","4","2","6","3","1") = "6"
    & skf18("4","7","4","2","6","4","1") = "6"
    & skf18("4","7","4","2","6","5","1") = "6"
    & skf18("4","7","4","2","6","6","1") = "6"
    & skf18("4","7","4","2","6","7","1") = "6"
    & skf18("4","7","4","2","6","8","1") = "7"
    & skf18("4","7","4","2","6","9","1") = "8"
    & skf18("4","7","4","2","6","10","1") = "9"
    & skf18("4","7","4","2","7","1","1") = "6"
    & skf18("4","7","4","2","7","2","1") = "6"
    & skf18("4","7","4","2","7","3","1") = "6"
    & skf18("4","7","4","2","7","4","1") = "6"
    & skf18("4","7","4","2","7","5","1") = "6"
    & skf18("4","7","4","2","7","6","1") = "6"
    & skf18("4","7","4","2","7","7","1") = "6"
    & skf18("4","7","4","2","7","8","1") = "7"
    & skf18("4","7","4","2","7","9","1") = "8"
    & skf18("4","7","4","2","7","10","1") = "9"
    & skf18("4","7","4","2","8","1","1") = "7"
    & skf18("4","7","4","2","8","2","1") = "7"
    & skf18("4","7","4","2","8","3","1") = "7"
    & skf18("4","7","4","2","8","4","1") = "7"
    & skf18("4","7","4","2","8","5","1") = "7"
    & skf18("4","7","4","2","8","6","1") = "7"
    & skf18("4","7","4","2","8","7","1") = "7"
    & skf18("4","7","4","2","8","8","1") = "7"
    & skf18("4","7","4","2","8","9","1") = "8"
    & skf18("4","7","4","2","8","10","1") = "9"
    & skf18("4","7","4","2","9","1","1") = "8"
    & skf18("4","7","4","2","9","2","1") = "8"
    & skf18("4","7","4","2","9","3","1") = "8"
    & skf18("4","7","4","2","9","4","1") = "8"
    & skf18("4","7","4","2","9","5","1") = "8"
    & skf18("4","7","4","2","9","6","1") = "8"
    & skf18("4","7","4","2","9","7","1") = "8"
    & skf18("4","7","4","2","9","8","1") = "8"
    & skf18("4","7","4","2","9","9","1") = "8"
    & skf18("4","7","4","2","9","10","1") = "9"
    & skf18("4","7","4","2","10","1","1") = "9"
    & skf18("4","7","4","2","10","2","1") = "9"
    & skf18("4","7","4","2","10","3","1") = "9"
    & skf18("4","7","4","2","10","4","1") = "9"
    & skf18("4","7","4","2","10","5","1") = "9"
    & skf18("4","7","4","2","10","6","1") = "9"
    & skf18("4","7","4","2","10","7","1") = "9"
    & skf18("4","7","4","2","10","8","1") = "9"
    & skf18("4","7","4","2","10","9","1") = "9"
    & skf18("4","7","4","2","10","10","1") = "9"
    & skf18("4","7","4","3","1","1","1") = "6"
    & skf18("4","7","4","3","1","2","1") = "6"
    & skf18("4","7","4","3","1","3","1") = "6"
    & skf18("4","7","4","3","1","4","1") = "6"
    & skf18("4","7","4","3","1","5","1") = "6"
    & skf18("4","7","4","3","1","6","1") = "6"
    & skf18("4","7","4","3","1","7","1") = "6"
    & skf18("4","7","4","3","1","8","1") = "7"
    & skf18("4","7","4","3","1","9","1") = "8"
    & skf18("4","7","4","3","1","10","1") = "9"
    & skf18("4","7","4","3","2","1","1") = "6"
    & skf18("4","7","4","3","2","2","1") = "6"
    & skf18("4","7","4","3","2","3","1") = "6"
    & skf18("4","7","4","3","2","4","1") = "6"
    & skf18("4","7","4","3","2","5","1") = "6"
    & skf18("4","7","4","3","2","6","1") = "6"
    & skf18("4","7","4","3","2","7","1") = "6"
    & skf18("4","7","4","3","2","8","1") = "7"
    & skf18("4","7","4","3","2","9","1") = "8"
    & skf18("4","7","4","3","2","10","1") = "9"
    & skf18("4","7","4","3","3","1","1") = "6"
    & skf18("4","7","4","3","3","2","1") = "6"
    & skf18("4","7","4","3","3","3","1") = "6"
    & skf18("4","7","4","3","3","4","1") = "6"
    & skf18("4","7","4","3","3","5","1") = "6"
    & skf18("4","7","4","3","3","6","1") = "6"
    & skf18("4","7","4","3","3","7","1") = "6"
    & skf18("4","7","4","3","3","8","1") = "7"
    & skf18("4","7","4","3","3","9","1") = "8"
    & skf18("4","7","4","3","3","10","1") = "9"
    & skf18("4","7","4","3","4","1","1") = "6"
    & skf18("4","7","4","3","4","2","1") = "6"
    & skf18("4","7","4","3","4","3","1") = "6"
    & skf18("4","7","4","3","4","4","1") = "6"
    & skf18("4","7","4","3","4","5","1") = "6"
    & skf18("4","7","4","3","4","6","1") = "6"
    & skf18("4","7","4","3","4","7","1") = "6"
    & skf18("4","7","4","3","4","8","1") = "7"
    & skf18("4","7","4","3","4","9","1") = "8"
    & skf18("4","7","4","3","4","10","1") = "9"
    & skf18("4","7","4","3","5","1","1") = "6"
    & skf18("4","7","4","3","5","2","1") = "6"
    & skf18("4","7","4","3","5","3","1") = "6"
    & skf18("4","7","4","3","5","4","1") = "6"
    & skf18("4","7","4","3","5","5","1") = "6"
    & skf18("4","7","4","3","5","6","1") = "6"
    & skf18("4","7","4","3","5","7","1") = "6"
    & skf18("4","7","4","3","5","8","1") = "7"
    & skf18("4","7","4","3","5","9","1") = "8"
    & skf18("4","7","4","3","5","10","1") = "9"
    & skf18("4","7","4","3","6","1","1") = "6"
    & skf18("4","7","4","3","6","2","1") = "6"
    & skf18("4","7","4","3","6","3","1") = "6"
    & skf18("4","7","4","3","6","4","1") = "6"
    & skf18("4","7","4","3","6","5","1") = "6"
    & skf18("4","7","4","3","6","6","1") = "6"
    & skf18("4","7","4","3","6","7","1") = "6"
    & skf18("4","7","4","3","6","8","1") = "7"
    & skf18("4","7","4","3","6","9","1") = "8"
    & skf18("4","7","4","3","6","10","1") = "9"
    & skf18("4","7","4","3","7","1","1") = "6"
    & skf18("4","7","4","3","7","2","1") = "6"
    & skf18("4","7","4","3","7","3","1") = "6"
    & skf18("4","7","4","3","7","4","1") = "6"
    & skf18("4","7","4","3","7","5","1") = "6"
    & skf18("4","7","4","3","7","6","1") = "6"
    & skf18("4","7","4","3","7","7","1") = "6"
    & skf18("4","7","4","3","7","8","1") = "7"
    & skf18("4","7","4","3","7","9","1") = "8"
    & skf18("4","7","4","3","7","10","1") = "9"
    & skf18("4","7","4","3","8","1","1") = "7"
    & skf18("4","7","4","3","8","2","1") = "7"
    & skf18("4","7","4","3","8","3","1") = "7"
    & skf18("4","7","4","3","8","4","1") = "7"
    & skf18("4","7","4","3","8","5","1") = "7"
    & skf18("4","7","4","3","8","6","1") = "7"
    & skf18("4","7","4","3","8","7","1") = "7"
    & skf18("4","7","4","3","8","8","1") = "7"
    & skf18("4","7","4","3","8","9","1") = "8"
    & skf18("4","7","4","3","8","10","1") = "9"
    & skf18("4","7","4","3","9","1","1") = "8"
    & skf18("4","7","4","3","9","2","1") = "8"
    & skf18("4","7","4","3","9","3","1") = "8"
    & skf18("4","7","4","3","9","4","1") = "8"
    & skf18("4","7","4","3","9","5","1") = "8"
    & skf18("4","7","4","3","9","6","1") = "8"
    & skf18("4","7","4","3","9","7","1") = "8"
    & skf18("4","7","4","3","9","8","1") = "8"
    & skf18("4","7","4","3","9","9","1") = "8"
    & skf18("4","7","4","3","9","10","1") = "9"
    & skf18("4","7","4","3","10","1","1") = "9"
    & skf18("4","7","4","3","10","2","1") = "9"
    & skf18("4","7","4","3","10","3","1") = "9"
    & skf18("4","7","4","3","10","4","1") = "9"
    & skf18("4","7","4","3","10","5","1") = "9"
    & skf18("4","7","4","3","10","6","1") = "9"
    & skf18("4","7","4","3","10","7","1") = "9"
    & skf18("4","7","4","3","10","8","1") = "9"
    & skf18("4","7","4","3","10","9","1") = "9"
    & skf18("4","7","4","3","10","10","1") = "9"
    & skf18("4","7","4","4","1","1","1") = "6"
    & skf18("4","7","4","4","1","2","1") = "6"
    & skf18("4","7","4","4","1","3","1") = "6"
    & skf18("4","7","4","4","1","4","1") = "6"
    & skf18("4","7","4","4","1","5","1") = "6"
    & skf18("4","7","4","4","1","6","1") = "6"
    & skf18("4","7","4","4","1","7","1") = "6"
    & skf18("4","7","4","4","1","8","1") = "7"
    & skf18("4","7","4","4","1","9","1") = "8"
    & skf18("4","7","4","4","1","10","1") = "9"
    & skf18("4","7","4","4","2","1","1") = "6"
    & skf18("4","7","4","4","2","2","1") = "6"
    & skf18("4","7","4","4","2","3","1") = "6"
    & skf18("4","7","4","4","2","4","1") = "6"
    & skf18("4","7","4","4","2","5","1") = "6"
    & skf18("4","7","4","4","2","6","1") = "6"
    & skf18("4","7","4","4","2","7","1") = "6"
    & skf18("4","7","4","4","2","8","1") = "7"
    & skf18("4","7","4","4","2","9","1") = "8"
    & skf18("4","7","4","4","2","10","1") = "9"
    & skf18("4","7","4","4","3","1","1") = "6"
    & skf18("4","7","4","4","3","2","1") = "6"
    & skf18("4","7","4","4","3","3","1") = "6"
    & skf18("4","7","4","4","3","4","1") = "6"
    & skf18("4","7","4","4","3","5","1") = "6"
    & skf18("4","7","4","4","3","6","1") = "6"
    & skf18("4","7","4","4","3","7","1") = "6"
    & skf18("4","7","4","4","3","8","1") = "7"
    & skf18("4","7","4","4","3","9","1") = "8"
    & skf18("4","7","4","4","3","10","1") = "9"
    & skf18("4","7","4","4","4","1","1") = "6"
    & skf18("4","7","4","4","4","2","1") = "6"
    & skf18("4","7","4","4","4","3","1") = "6"
    & skf18("4","7","4","4","4","4","1") = "6"
    & skf18("4","7","4","4","4","5","1") = "6"
    & skf18("4","7","4","4","4","6","1") = "6"
    & skf18("4","7","4","4","4","7","1") = "6"
    & skf18("4","7","4","4","4","8","1") = "7"
    & skf18("4","7","4","4","4","9","1") = "8"
    & skf18("4","7","4","4","4","10","1") = "9"
    & skf18("4","7","4","4","5","1","1") = "6"
    & skf18("4","7","4","4","5","2","1") = "6"
    & skf18("4","7","4","4","5","3","1") = "6"
    & skf18("4","7","4","4","5","4","1") = "6"
    & skf18("4","7","4","4","5","5","1") = "6"
    & skf18("4","7","4","4","5","6","1") = "6"
    & skf18("4","7","4","4","5","7","1") = "6"
    & skf18("4","7","4","4","5","8","1") = "7"
    & skf18("4","7","4","4","5","9","1") = "8"
    & skf18("4","7","4","4","5","10","1") = "9"
    & skf18("4","7","4","4","6","1","1") = "6"
    & skf18("4","7","4","4","6","2","1") = "6"
    & skf18("4","7","4","4","6","3","1") = "6"
    & skf18("4","7","4","4","6","4","1") = "6"
    & skf18("4","7","4","4","6","5","1") = "6"
    & skf18("4","7","4","4","6","6","1") = "6"
    & skf18("4","7","4","4","6","7","1") = "6"
    & skf18("4","7","4","4","6","8","1") = "7"
    & skf18("4","7","4","4","6","9","1") = "8"
    & skf18("4","7","4","4","6","10","1") = "9"
    & skf18("4","7","4","4","7","1","1") = "6"
    & skf18("4","7","4","4","7","2","1") = "6"
    & skf18("4","7","4","4","7","3","1") = "6"
    & skf18("4","7","4","4","7","4","1") = "6"
    & skf18("4","7","4","4","7","5","1") = "6"
    & skf18("4","7","4","4","7","6","1") = "6"
    & skf18("4","7","4","4","7","7","1") = "6"
    & skf18("4","7","4","4","7","8","1") = "7"
    & skf18("4","7","4","4","7","9","1") = "8"
    & skf18("4","7","4","4","7","10","1") = "9"
    & skf18("4","7","4","4","8","1","1") = "7"
    & skf18("4","7","4","4","8","2","1") = "7"
    & skf18("4","7","4","4","8","3","1") = "7"
    & skf18("4","7","4","4","8","4","1") = "7"
    & skf18("4","7","4","4","8","5","1") = "7"
    & skf18("4","7","4","4","8","6","1") = "7"
    & skf18("4","7","4","4","8","7","1") = "7"
    & skf18("4","7","4","4","8","8","1") = "7"
    & skf18("4","7","4","4","8","9","1") = "8"
    & skf18("4","7","4","4","8","10","1") = "9"
    & skf18("4","7","4","4","9","1","1") = "8"
    & skf18("4","7","4","4","9","2","1") = "8"
    & skf18("4","7","4","4","9","3","1") = "8"
    & skf18("4","7","4","4","9","4","1") = "8"
    & skf18("4","7","4","4","9","5","1") = "8"
    & skf18("4","7","4","4","9","6","1") = "8"
    & skf18("4","7","4","4","9","7","1") = "8"
    & skf18("4","7","4","4","9","8","1") = "8"
    & skf18("4","7","4","4","9","9","1") = "8"
    & skf18("4","7","4","4","9","10","1") = "9"
    & skf18("4","7","4","4","10","1","1") = "9"
    & skf18("4","7","4","4","10","2","1") = "9"
    & skf18("4","7","4","4","10","3","1") = "9"
    & skf18("4","7","4","4","10","4","1") = "9"
    & skf18("4","7","4","4","10","5","1") = "9"
    & skf18("4","7","4","4","10","6","1") = "9"
    & skf18("4","7","4","4","10","7","1") = "9"
    & skf18("4","7","4","4","10","8","1") = "9"
    & skf18("4","7","4","4","10","9","1") = "9"
    & skf18("4","7","4","4","10","10","1") = "9"
    & skf18("4","7","4","5","1","1","1") = "6"
    & skf18("4","7","4","5","1","2","1") = "6"
    & skf18("4","7","4","5","1","3","1") = "6"
    & skf18("4","7","4","5","1","4","1") = "6"
    & skf18("4","7","4","5","1","5","1") = "6"
    & skf18("4","7","4","5","1","6","1") = "6"
    & skf18("4","7","4","5","1","7","1") = "6"
    & skf18("4","7","4","5","1","8","1") = "7"
    & skf18("4","7","4","5","1","9","1") = "8"
    & skf18("4","7","4","5","1","10","1") = "9"
    & skf18("4","7","4","5","2","1","1") = "6"
    & skf18("4","7","4","5","2","2","1") = "6"
    & skf18("4","7","4","5","2","3","1") = "6"
    & skf18("4","7","4","5","2","4","1") = "6"
    & skf18("4","7","4","5","2","5","1") = "6"
    & skf18("4","7","4","5","2","6","1") = "6"
    & skf18("4","7","4","5","2","7","1") = "6"
    & skf18("4","7","4","5","2","8","1") = "7"
    & skf18("4","7","4","5","2","9","1") = "8"
    & skf18("4","7","4","5","2","10","1") = "9"
    & skf18("4","7","4","5","3","1","1") = "6"
    & skf18("4","7","4","5","3","2","1") = "6"
    & skf18("4","7","4","5","3","3","1") = "6"
    & skf18("4","7","4","5","3","4","1") = "6"
    & skf18("4","7","4","5","3","5","1") = "6"
    & skf18("4","7","4","5","3","6","1") = "6"
    & skf18("4","7","4","5","3","7","1") = "6"
    & skf18("4","7","4","5","3","8","1") = "7"
    & skf18("4","7","4","5","3","9","1") = "8"
    & skf18("4","7","4","5","3","10","1") = "9"
    & skf18("4","7","4","5","4","1","1") = "6"
    & skf18("4","7","4","5","4","2","1") = "6"
    & skf18("4","7","4","5","4","3","1") = "6"
    & skf18("4","7","4","5","4","4","1") = "6"
    & skf18("4","7","4","5","4","5","1") = "6"
    & skf18("4","7","4","5","4","6","1") = "6"
    & skf18("4","7","4","5","4","7","1") = "6"
    & skf18("4","7","4","5","4","8","1") = "7"
    & skf18("4","7","4","5","4","9","1") = "8"
    & skf18("4","7","4","5","4","10","1") = "9"
    & skf18("4","7","4","5","5","1","1") = "6"
    & skf18("4","7","4","5","5","2","1") = "6"
    & skf18("4","7","4","5","5","3","1") = "6"
    & skf18("4","7","4","5","5","4","1") = "6"
    & skf18("4","7","4","5","5","5","1") = "6"
    & skf18("4","7","4","5","5","6","1") = "6"
    & skf18("4","7","4","5","5","7","1") = "6"
    & skf18("4","7","4","5","5","8","1") = "7"
    & skf18("4","7","4","5","5","9","1") = "8"
    & skf18("4","7","4","5","5","10","1") = "9"
    & skf18("4","7","4","5","6","1","1") = "6"
    & skf18("4","7","4","5","6","2","1") = "6"
    & skf18("4","7","4","5","6","3","1") = "6"
    & skf18("4","7","4","5","6","4","1") = "6"
    & skf18("4","7","4","5","6","5","1") = "6"
    & skf18("4","7","4","5","6","6","1") = "6"
    & skf18("4","7","4","5","6","7","1") = "6"
    & skf18("4","7","4","5","6","8","1") = "7"
    & skf18("4","7","4","5","6","9","1") = "8"
    & skf18("4","7","4","5","6","10","1") = "9"
    & skf18("4","7","4","5","7","1","1") = "6"
    & skf18("4","7","4","5","7","2","1") = "6"
    & skf18("4","7","4","5","7","3","1") = "6"
    & skf18("4","7","4","5","7","4","1") = "6"
    & skf18("4","7","4","5","7","5","1") = "6"
    & skf18("4","7","4","5","7","6","1") = "6"
    & skf18("4","7","4","5","7","7","1") = "6"
    & skf18("4","7","4","5","7","8","1") = "7"
    & skf18("4","7","4","5","7","9","1") = "8"
    & skf18("4","7","4","5","7","10","1") = "9"
    & skf18("4","7","4","5","8","1","1") = "7"
    & skf18("4","7","4","5","8","2","1") = "7"
    & skf18("4","7","4","5","8","3","1") = "7"
    & skf18("4","7","4","5","8","4","1") = "7"
    & skf18("4","7","4","5","8","5","1") = "7"
    & skf18("4","7","4","5","8","6","1") = "7"
    & skf18("4","7","4","5","8","7","1") = "7"
    & skf18("4","7","4","5","8","8","1") = "7"
    & skf18("4","7","4","5","8","9","1") = "8"
    & skf18("4","7","4","5","8","10","1") = "9"
    & skf18("4","7","4","5","9","1","1") = "8"
    & skf18("4","7","4","5","9","2","1") = "8"
    & skf18("4","7","4","5","9","3","1") = "8"
    & skf18("4","7","4","5","9","4","1") = "8"
    & skf18("4","7","4","5","9","5","1") = "8"
    & skf18("4","7","4","5","9","6","1") = "8"
    & skf18("4","7","4","5","9","7","1") = "8"
    & skf18("4","7","4","5","9","8","1") = "8"
    & skf18("4","7","4","5","9","9","1") = "8"
    & skf18("4","7","4","5","9","10","1") = "9"
    & skf18("4","7","4","5","10","1","1") = "9"
    & skf18("4","7","4","5","10","2","1") = "9"
    & skf18("4","7","4","5","10","3","1") = "9"
    & skf18("4","7","4","5","10","4","1") = "9"
    & skf18("4","7","4","5","10","5","1") = "9"
    & skf18("4","7","4","5","10","6","1") = "9"
    & skf18("4","7","4","5","10","7","1") = "9"
    & skf18("4","7","4","5","10","8","1") = "9"
    & skf18("4","7","4","5","10","9","1") = "9"
    & skf18("4","7","4","5","10","10","1") = "9"
    & skf18("4","7","4","6","1","1","1") = "6"
    & skf18("4","7","4","6","1","2","1") = "6"
    & skf18("4","7","4","6","1","3","1") = "6"
    & skf18("4","7","4","6","1","4","1") = "6"
    & skf18("4","7","4","6","1","5","1") = "6"
    & skf18("4","7","4","6","1","6","1") = "6"
    & skf18("4","7","4","6","1","7","1") = "6"
    & skf18("4","7","4","6","1","8","1") = "7"
    & skf18("4","7","4","6","1","9","1") = "8"
    & skf18("4","7","4","6","1","10","1") = "9"
    & skf18("4","7","4","6","2","1","1") = "6"
    & skf18("4","7","4","6","2","2","1") = "6"
    & skf18("4","7","4","6","2","3","1") = "6"
    & skf18("4","7","4","6","2","4","1") = "6"
    & skf18("4","7","4","6","2","5","1") = "6"
    & skf18("4","7","4","6","2","6","1") = "6"
    & skf18("4","7","4","6","2","7","1") = "6"
    & skf18("4","7","4","6","2","8","1") = "7"
    & skf18("4","7","4","6","2","9","1") = "8"
    & skf18("4","7","4","6","2","10","1") = "9"
    & skf18("4","7","4","6","3","1","1") = "6"
    & skf18("4","7","4","6","3","2","1") = "6"
    & skf18("4","7","4","6","3","3","1") = "6"
    & skf18("4","7","4","6","3","4","1") = "6"
    & skf18("4","7","4","6","3","5","1") = "6"
    & skf18("4","7","4","6","3","6","1") = "6"
    & skf18("4","7","4","6","3","7","1") = "6"
    & skf18("4","7","4","6","3","8","1") = "7"
    & skf18("4","7","4","6","3","9","1") = "8"
    & skf18("4","7","4","6","3","10","1") = "9"
    & skf18("4","7","4","6","4","1","1") = "6"
    & skf18("4","7","4","6","4","2","1") = "6"
    & skf18("4","7","4","6","4","3","1") = "6"
    & skf18("4","7","4","6","4","4","1") = "6"
    & skf18("4","7","4","6","4","5","1") = "6"
    & skf18("4","7","4","6","4","6","1") = "6"
    & skf18("4","7","4","6","4","7","1") = "6"
    & skf18("4","7","4","6","4","8","1") = "7"
    & skf18("4","7","4","6","4","9","1") = "8"
    & skf18("4","7","4","6","4","10","1") = "9"
    & skf18("4","7","4","6","5","1","1") = "6"
    & skf18("4","7","4","6","5","2","1") = "6"
    & skf18("4","7","4","6","5","3","1") = "6"
    & skf18("4","7","4","6","5","4","1") = "6"
    & skf18("4","7","4","6","5","5","1") = "6"
    & skf18("4","7","4","6","5","6","1") = "6"
    & skf18("4","7","4","6","5","7","1") = "6"
    & skf18("4","7","4","6","5","8","1") = "7"
    & skf18("4","7","4","6","5","9","1") = "8"
    & skf18("4","7","4","6","5","10","1") = "9"
    & skf18("4","7","4","6","6","1","1") = "6"
    & skf18("4","7","4","6","6","2","1") = "6"
    & skf18("4","7","4","6","6","3","1") = "6"
    & skf18("4","7","4","6","6","4","1") = "6"
    & skf18("4","7","4","6","6","5","1") = "6"
    & skf18("4","7","4","6","6","6","1") = "6"
    & skf18("4","7","4","6","6","7","1") = "6"
    & skf18("4","7","4","6","6","8","1") = "7"
    & skf18("4","7","4","6","6","9","1") = "8"
    & skf18("4","7","4","6","6","10","1") = "9"
    & skf18("4","7","4","6","7","1","1") = "6"
    & skf18("4","7","4","6","7","2","1") = "6"
    & skf18("4","7","4","6","7","3","1") = "6"
    & skf18("4","7","4","6","7","4","1") = "6"
    & skf18("4","7","4","6","7","5","1") = "6"
    & skf18("4","7","4","6","7","6","1") = "6"
    & skf18("4","7","4","6","7","7","1") = "6"
    & skf18("4","7","4","6","7","8","1") = "7"
    & skf18("4","7","4","6","7","9","1") = "8"
    & skf18("4","7","4","6","7","10","1") = "9"
    & skf18("4","7","4","6","8","1","1") = "7"
    & skf18("4","7","4","6","8","2","1") = "7"
    & skf18("4","7","4","6","8","3","1") = "7"
    & skf18("4","7","4","6","8","4","1") = "7"
    & skf18("4","7","4","6","8","5","1") = "7"
    & skf18("4","7","4","6","8","6","1") = "7"
    & skf18("4","7","4","6","8","7","1") = "7"
    & skf18("4","7","4","6","8","8","1") = "7"
    & skf18("4","7","4","6","8","9","1") = "8"
    & skf18("4","7","4","6","8","10","1") = "9"
    & skf18("4","7","4","6","9","1","1") = "8"
    & skf18("4","7","4","6","9","2","1") = "8"
    & skf18("4","7","4","6","9","3","1") = "8"
    & skf18("4","7","4","6","9","4","1") = "8"
    & skf18("4","7","4","6","9","5","1") = "8"
    & skf18("4","7","4","6","9","6","1") = "8"
    & skf18("4","7","4","6","9","7","1") = "8"
    & skf18("4","7","4","6","9","8","1") = "8"
    & skf18("4","7","4","6","9","9","1") = "8"
    & skf18("4","7","4","6","9","10","1") = "9"
    & skf18("4","7","4","6","10","1","1") = "9"
    & skf18("4","7","4","6","10","2","1") = "9"
    & skf18("4","7","4","6","10","3","1") = "9"
    & skf18("4","7","4","6","10","4","1") = "9"
    & skf18("4","7","4","6","10","5","1") = "9"
    & skf18("4","7","4","6","10","6","1") = "9"
    & skf18("4","7","4","6","10","7","1") = "9"
    & skf18("4","7","4","6","10","8","1") = "9"
    & skf18("4","7","4","6","10","9","1") = "9"
    & skf18("4","7","4","6","10","10","1") = "9"
    & skf18("4","7","4","7","1","1","1") = "6"
    & skf18("4","7","4","7","1","2","1") = "6"
    & skf18("4","7","4","7","1","3","1") = "6"
    & skf18("4","7","4","7","1","4","1") = "6"
    & skf18("4","7","4","7","1","5","1") = "6"
    & skf18("4","7","4","7","1","6","1") = "6"
    & skf18("4","7","4","7","1","7","1") = "6"
    & skf18("4","7","4","7","1","8","1") = "7"
    & skf18("4","7","4","7","1","9","1") = "8"
    & skf18("4","7","4","7","1","10","1") = "9"
    & skf18("4","7","4","7","2","1","1") = "6"
    & skf18("4","7","4","7","2","2","1") = "6"
    & skf18("4","7","4","7","2","3","1") = "6"
    & skf18("4","7","4","7","2","4","1") = "6"
    & skf18("4","7","4","7","2","5","1") = "6"
    & skf18("4","7","4","7","2","6","1") = "6"
    & skf18("4","7","4","7","2","7","1") = "6"
    & skf18("4","7","4","7","2","8","1") = "7"
    & skf18("4","7","4","7","2","9","1") = "8"
    & skf18("4","7","4","7","2","10","1") = "9"
    & skf18("4","7","4","7","3","1","1") = "6"
    & skf18("4","7","4","7","3","2","1") = "6"
    & skf18("4","7","4","7","3","3","1") = "6"
    & skf18("4","7","4","7","3","4","1") = "6"
    & skf18("4","7","4","7","3","5","1") = "6"
    & skf18("4","7","4","7","3","6","1") = "6"
    & skf18("4","7","4","7","3","7","1") = "6"
    & skf18("4","7","4","7","3","8","1") = "7"
    & skf18("4","7","4","7","3","9","1") = "8"
    & skf18("4","7","4","7","3","10","1") = "9"
    & skf18("4","7","4","7","4","1","1") = "6"
    & skf18("4","7","4","7","4","2","1") = "6"
    & skf18("4","7","4","7","4","3","1") = "6"
    & skf18("4","7","4","7","4","4","1") = "6"
    & skf18("4","7","4","7","4","5","1") = "6"
    & skf18("4","7","4","7","4","6","1") = "6"
    & skf18("4","7","4","7","4","7","1") = "6"
    & skf18("4","7","4","7","4","8","1") = "7"
    & skf18("4","7","4","7","4","9","1") = "8"
    & skf18("4","7","4","7","4","10","1") = "9"
    & skf18("4","7","4","7","5","1","1") = "6"
    & skf18("4","7","4","7","5","2","1") = "6"
    & skf18("4","7","4","7","5","3","1") = "6"
    & skf18("4","7","4","7","5","4","1") = "6"
    & skf18("4","7","4","7","5","5","1") = "6"
    & skf18("4","7","4","7","5","6","1") = "6"
    & skf18("4","7","4","7","5","7","1") = "6"
    & skf18("4","7","4","7","5","8","1") = "7"
    & skf18("4","7","4","7","5","9","1") = "8"
    & skf18("4","7","4","7","5","10","1") = "9"
    & skf18("4","7","4","7","6","1","1") = "6"
    & skf18("4","7","4","7","6","2","1") = "6"
    & skf18("4","7","4","7","6","3","1") = "6"
    & skf18("4","7","4","7","6","4","1") = "6"
    & skf18("4","7","4","7","6","5","1") = "6"
    & skf18("4","7","4","7","6","6","1") = "6"
    & skf18("4","7","4","7","6","7","1") = "6"
    & skf18("4","7","4","7","6","8","1") = "7"
    & skf18("4","7","4","7","6","9","1") = "8"
    & skf18("4","7","4","7","6","10","1") = "9"
    & skf18("4","7","4","7","7","1","1") = "6"
    & skf18("4","7","4","7","7","2","1") = "6"
    & skf18("4","7","4","7","7","3","1") = "6"
    & skf18("4","7","4","7","7","4","1") = "6"
    & skf18("4","7","4","7","7","5","1") = "6"
    & skf18("4","7","4","7","7","6","1") = "6"
    & skf18("4","7","4","7","7","7","1") = "6"
    & skf18("4","7","4","7","7","8","1") = "7"
    & skf18("4","7","4","7","7","9","1") = "8"
    & skf18("4","7","4","7","7","10","1") = "9"
    & skf18("4","7","4","7","8","1","1") = "7"
    & skf18("4","7","4","7","8","2","1") = "7"
    & skf18("4","7","4","7","8","3","1") = "7"
    & skf18("4","7","4","7","8","4","1") = "7"
    & skf18("4","7","4","7","8","5","1") = "7"
    & skf18("4","7","4","7","8","6","1") = "7"
    & skf18("4","7","4","7","8","7","1") = "7"
    & skf18("4","7","4","7","8","8","1") = "7"
    & skf18("4","7","4","7","8","9","1") = "8"
    & skf18("4","7","4","7","8","10","1") = "9"
    & skf18("4","7","4","7","9","1","1") = "8"
    & skf18("4","7","4","7","9","2","1") = "8"
    & skf18("4","7","4","7","9","3","1") = "8"
    & skf18("4","7","4","7","9","4","1") = "8"
    & skf18("4","7","4","7","9","5","1") = "8"
    & skf18("4","7","4","7","9","6","1") = "8"
    & skf18("4","7","4","7","9","7","1") = "8"
    & skf18("4","7","4","7","9","8","1") = "8"
    & skf18("4","7","4","7","9","9","1") = "8"
    & skf18("4","7","4","7","9","10","1") = "9"
    & skf18("4","7","4","7","10","1","1") = "9"
    & skf18("4","7","4","7","10","2","1") = "9"
    & skf18("4","7","4","7","10","3","1") = "9"
    & skf18("4","7","4","7","10","4","1") = "9"
    & skf18("4","7","4","7","10","5","1") = "9"
    & skf18("4","7","4","7","10","6","1") = "9"
    & skf18("4","7","4","7","10","7","1") = "9"
    & skf18("4","7","4","7","10","8","1") = "9"
    & skf18("4","7","4","7","10","9","1") = "9"
    & skf18("4","7","4","7","10","10","1") = "9"
    & skf18("4","7","4","8","1","1","1") = "7"
    & skf18("4","7","4","8","1","2","1") = "7"
    & skf18("4","7","4","8","1","3","1") = "7"
    & skf18("4","7","4","8","1","4","1") = "7"
    & skf18("4","7","4","8","1","5","1") = "7"
    & skf18("4","7","4","8","1","6","1") = "7"
    & skf18("4","7","4","8","1","7","1") = "7"
    & skf18("4","7","4","8","1","8","1") = "7"
    & skf18("4","7","4","8","1","9","1") = "8"
    & skf18("4","7","4","8","1","10","1") = "9"
    & skf18("4","7","4","8","2","1","1") = "7"
    & skf18("4","7","4","8","2","2","1") = "7"
    & skf18("4","7","4","8","2","3","1") = "7"
    & skf18("4","7","4","8","2","4","1") = "7"
    & skf18("4","7","4","8","2","5","1") = "7"
    & skf18("4","7","4","8","2","6","1") = "7"
    & skf18("4","7","4","8","2","7","1") = "7"
    & skf18("4","7","4","8","2","8","1") = "7"
    & skf18("4","7","4","8","2","9","1") = "8"
    & skf18("4","7","4","8","2","10","1") = "9"
    & skf18("4","7","4","8","3","1","1") = "7"
    & skf18("4","7","4","8","3","2","1") = "7"
    & skf18("4","7","4","8","3","3","1") = "7"
    & skf18("4","7","4","8","3","4","1") = "7"
    & skf18("4","7","4","8","3","5","1") = "7"
    & skf18("4","7","4","8","3","6","1") = "7"
    & skf18("4","7","4","8","3","7","1") = "7"
    & skf18("4","7","4","8","3","8","1") = "7"
    & skf18("4","7","4","8","3","9","1") = "8"
    & skf18("4","7","4","8","3","10","1") = "9"
    & skf18("4","7","4","8","4","1","1") = "7"
    & skf18("4","7","4","8","4","2","1") = "7"
    & skf18("4","7","4","8","4","3","1") = "7"
    & skf18("4","7","4","8","4","4","1") = "7"
    & skf18("4","7","4","8","4","5","1") = "7"
    & skf18("4","7","4","8","4","6","1") = "7"
    & skf18("4","7","4","8","4","7","1") = "7"
    & skf18("4","7","4","8","4","8","1") = "7"
    & skf18("4","7","4","8","4","9","1") = "8"
    & skf18("4","7","4","8","4","10","1") = "9"
    & skf18("4","7","4","8","5","1","1") = "7"
    & skf18("4","7","4","8","5","2","1") = "7"
    & skf18("4","7","4","8","5","3","1") = "7"
    & skf18("4","7","4","8","5","4","1") = "7"
    & skf18("4","7","4","8","5","5","1") = "7"
    & skf18("4","7","4","8","5","6","1") = "7"
    & skf18("4","7","4","8","5","7","1") = "7"
    & skf18("4","7","4","8","5","8","1") = "7"
    & skf18("4","7","4","8","5","9","1") = "8"
    & skf18("4","7","4","8","5","10","1") = "9"
    & skf18("4","7","4","8","6","1","1") = "7"
    & skf18("4","7","4","8","6","2","1") = "7"
    & skf18("4","7","4","8","6","3","1") = "7"
    & skf18("4","7","4","8","6","4","1") = "7"
    & skf18("4","7","4","8","6","5","1") = "7"
    & skf18("4","7","4","8","6","6","1") = "7"
    & skf18("4","7","4","8","6","7","1") = "7"
    & skf18("4","7","4","8","6","8","1") = "7"
    & skf18("4","7","4","8","6","9","1") = "8"
    & skf18("4","7","4","8","6","10","1") = "9"
    & skf18("4","7","4","8","7","1","1") = "7"
    & skf18("4","7","4","8","7","2","1") = "7"
    & skf18("4","7","4","8","7","3","1") = "7"
    & skf18("4","7","4","8","7","4","1") = "7"
    & skf18("4","7","4","8","7","5","1") = "7"
    & skf18("4","7","4","8","7","6","1") = "7"
    & skf18("4","7","4","8","7","7","1") = "7"
    & skf18("4","7","4","8","7","8","1") = "7"
    & skf18("4","7","4","8","7","9","1") = "8"
    & skf18("4","7","4","8","7","10","1") = "9"
    & skf18("4","7","4","8","8","1","1") = "7"
    & skf18("4","7","4","8","8","2","1") = "7"
    & skf18("4","7","4","8","8","3","1") = "7"
    & skf18("4","7","4","8","8","4","1") = "7"
    & skf18("4","7","4","8","8","5","1") = "7"
    & skf18("4","7","4","8","8","6","1") = "7"
    & skf18("4","7","4","8","8","7","1") = "7"
    & skf18("4","7","4","8","8","8","1") = "7"
    & skf18("4","7","4","8","8","9","1") = "8"
    & skf18("4","7","4","8","8","10","1") = "9"
    & skf18("4","7","4","8","9","1","1") = "8"
    & skf18("4","7","4","8","9","2","1") = "8"
    & skf18("4","7","4","8","9","3","1") = "8"
    & skf18("4","7","4","8","9","4","1") = "8"
    & skf18("4","7","4","8","9","5","1") = "8"
    & skf18("4","7","4","8","9","6","1") = "8"
    & skf18("4","7","4","8","9","7","1") = "8"
    & skf18("4","7","4","8","9","8","1") = "8"
    & skf18("4","7","4","8","9","9","1") = "8"
    & skf18("4","7","4","8","9","10","1") = "9"
    & skf18("4","7","4","8","10","1","1") = "9"
    & skf18("4","7","4","8","10","2","1") = "9"
    & skf18("4","7","4","8","10","3","1") = "9"
    & skf18("4","7","4","8","10","4","1") = "9"
    & skf18("4","7","4","8","10","5","1") = "9"
    & skf18("4","7","4","8","10","6","1") = "9"
    & skf18("4","7","4","8","10","7","1") = "9"
    & skf18("4","7","4","8","10","8","1") = "9"
    & skf18("4","7","4","8","10","9","1") = "9"
    & skf18("4","7","4","8","10","10","1") = "9"
    & skf18("4","7","4","9","1","1","1") = "8"
    & skf18("4","7","4","9","1","2","1") = "8"
    & skf18("4","7","4","9","1","3","1") = "8"
    & skf18("4","7","4","9","1","4","1") = "8"
    & skf18("4","7","4","9","1","5","1") = "8"
    & skf18("4","7","4","9","1","6","1") = "8"
    & skf18("4","7","4","9","1","7","1") = "8"
    & skf18("4","7","4","9","1","8","1") = "8"
    & skf18("4","7","4","9","1","9","1") = "8"
    & skf18("4","7","4","9","1","10","1") = "9"
    & skf18("4","7","4","9","2","1","1") = "8"
    & skf18("4","7","4","9","2","2","1") = "8"
    & skf18("4","7","4","9","2","3","1") = "8"
    & skf18("4","7","4","9","2","4","1") = "8"
    & skf18("4","7","4","9","2","5","1") = "8"
    & skf18("4","7","4","9","2","6","1") = "8"
    & skf18("4","7","4","9","2","7","1") = "8"
    & skf18("4","7","4","9","2","8","1") = "8"
    & skf18("4","7","4","9","2","9","1") = "8"
    & skf18("4","7","4","9","2","10","1") = "9"
    & skf18("4","7","4","9","3","1","1") = "8"
    & skf18("4","7","4","9","3","2","1") = "8"
    & skf18("4","7","4","9","3","3","1") = "8"
    & skf18("4","7","4","9","3","4","1") = "8"
    & skf18("4","7","4","9","3","5","1") = "8"
    & skf18("4","7","4","9","3","6","1") = "8"
    & skf18("4","7","4","9","3","7","1") = "8"
    & skf18("4","7","4","9","3","8","1") = "8"
    & skf18("4","7","4","9","3","9","1") = "8"
    & skf18("4","7","4","9","3","10","1") = "9"
    & skf18("4","7","4","9","4","1","1") = "8"
    & skf18("4","7","4","9","4","2","1") = "8"
    & skf18("4","7","4","9","4","3","1") = "8"
    & skf18("4","7","4","9","4","4","1") = "8"
    & skf18("4","7","4","9","4","5","1") = "8"
    & skf18("4","7","4","9","4","6","1") = "8"
    & skf18("4","7","4","9","4","7","1") = "8"
    & skf18("4","7","4","9","4","8","1") = "8"
    & skf18("4","7","4","9","4","9","1") = "8"
    & skf18("4","7","4","9","4","10","1") = "9"
    & skf18("4","7","4","9","5","1","1") = "8"
    & skf18("4","7","4","9","5","2","1") = "8"
    & skf18("4","7","4","9","5","3","1") = "8"
    & skf18("4","7","4","9","5","4","1") = "8"
    & skf18("4","7","4","9","5","5","1") = "8"
    & skf18("4","7","4","9","5","6","1") = "8"
    & skf18("4","7","4","9","5","7","1") = "8"
    & skf18("4","7","4","9","5","8","1") = "8"
    & skf18("4","7","4","9","5","9","1") = "8"
    & skf18("4","7","4","9","5","10","1") = "9"
    & skf18("4","7","4","9","6","1","1") = "8"
    & skf18("4","7","4","9","6","2","1") = "8"
    & skf18("4","7","4","9","6","3","1") = "8"
    & skf18("4","7","4","9","6","4","1") = "8"
    & skf18("4","7","4","9","6","5","1") = "8"
    & skf18("4","7","4","9","6","6","1") = "8"
    & skf18("4","7","4","9","6","7","1") = "8"
    & skf18("4","7","4","9","6","8","1") = "8"
    & skf18("4","7","4","9","6","9","1") = "8"
    & skf18("4","7","4","9","6","10","1") = "9"
    & skf18("4","7","4","9","7","1","1") = "8"
    & skf18("4","7","4","9","7","2","1") = "8"
    & skf18("4","7","4","9","7","3","1") = "8"
    & skf18("4","7","4","9","7","4","1") = "8"
    & skf18("4","7","4","9","7","5","1") = "8"
    & skf18("4","7","4","9","7","6","1") = "8"
    & skf18("4","7","4","9","7","7","1") = "8"
    & skf18("4","7","4","9","7","8","1") = "8"
    & skf18("4","7","4","9","7","9","1") = "8"
    & skf18("4","7","4","9","7","10","1") = "9"
    & skf18("4","7","4","9","8","1","1") = "8"
    & skf18("4","7","4","9","8","2","1") = "8"
    & skf18("4","7","4","9","8","3","1") = "8"
    & skf18("4","7","4","9","8","4","1") = "8"
    & skf18("4","7","4","9","8","5","1") = "8"
    & skf18("4","7","4","9","8","6","1") = "8"
    & skf18("4","7","4","9","8","7","1") = "8"
    & skf18("4","7","4","9","8","8","1") = "8"
    & skf18("4","7","4","9","8","9","1") = "8"
    & skf18("4","7","4","9","8","10","1") = "9"
    & skf18("4","7","4","9","9","1","1") = "8"
    & skf18("4","7","4","9","9","2","1") = "8"
    & skf18("4","7","4","9","9","3","1") = "8"
    & skf18("4","7","4","9","9","4","1") = "8"
    & skf18("4","7","4","9","9","5","1") = "8"
    & skf18("4","7","4","9","9","6","1") = "8"
    & skf18("4","7","4","9","9","7","1") = "8"
    & skf18("4","7","4","9","9","8","1") = "8"
    & skf18("4","7","4","9","9","9","1") = "8"
    & skf18("4","7","4","9","9","10","1") = "9"
    & skf18("4","7","4","9","10","1","1") = "9"
    & skf18("4","7","4","9","10","2","1") = "9"
    & skf18("4","7","4","9","10","3","1") = "9"
    & skf18("4","7","4","9","10","4","1") = "9"
    & skf18("4","7","4","9","10","5","1") = "9"
    & skf18("4","7","4","9","10","6","1") = "9"
    & skf18("4","7","4","9","10","7","1") = "9"
    & skf18("4","7","4","9","10","8","1") = "9"
    & skf18("4","7","4","9","10","9","1") = "9"
    & skf18("4","7","4","9","10","10","1") = "9"
    & skf18("4","7","4","10","1","1","1") = "9"
    & skf18("4","7","4","10","1","2","1") = "9"
    & skf18("4","7","4","10","1","3","1") = "9"
    & skf18("4","7","4","10","1","4","1") = "9"
    & skf18("4","7","4","10","1","5","1") = "9"
    & skf18("4","7","4","10","1","6","1") = "9"
    & skf18("4","7","4","10","1","7","1") = "9"
    & skf18("4","7","4","10","1","8","1") = "9"
    & skf18("4","7","4","10","1","9","1") = "9"
    & skf18("4","7","4","10","1","10","1") = "9"
    & skf18("4","7","4","10","2","1","1") = "9"
    & skf18("4","7","4","10","2","2","1") = "9"
    & skf18("4","7","4","10","2","3","1") = "9"
    & skf18("4","7","4","10","2","4","1") = "9"
    & skf18("4","7","4","10","2","5","1") = "9"
    & skf18("4","7","4","10","2","6","1") = "9"
    & skf18("4","7","4","10","2","7","1") = "9"
    & skf18("4","7","4","10","2","8","1") = "9"
    & skf18("4","7","4","10","2","9","1") = "9"
    & skf18("4","7","4","10","2","10","1") = "9"
    & skf18("4","7","4","10","3","1","1") = "9"
    & skf18("4","7","4","10","3","2","1") = "9"
    & skf18("4","7","4","10","3","3","1") = "9"
    & skf18("4","7","4","10","3","4","1") = "9"
    & skf18("4","7","4","10","3","5","1") = "9"
    & skf18("4","7","4","10","3","6","1") = "9"
    & skf18("4","7","4","10","3","7","1") = "9"
    & skf18("4","7","4","10","3","8","1") = "9"
    & skf18("4","7","4","10","3","9","1") = "9"
    & skf18("4","7","4","10","3","10","1") = "9"
    & skf18("4","7","4","10","4","1","1") = "9"
    & skf18("4","7","4","10","4","2","1") = "9"
    & skf18("4","7","4","10","4","3","1") = "9"
    & skf18("4","7","4","10","4","4","1") = "9"
    & skf18("4","7","4","10","4","5","1") = "9"
    & skf18("4","7","4","10","4","6","1") = "9"
    & skf18("4","7","4","10","4","7","1") = "9"
    & skf18("4","7","4","10","4","8","1") = "9"
    & skf18("4","7","4","10","4","9","1") = "9"
    & skf18("4","7","4","10","4","10","1") = "9"
    & skf18("4","7","4","10","5","1","1") = "9"
    & skf18("4","7","4","10","5","2","1") = "9"
    & skf18("4","7","4","10","5","3","1") = "9"
    & skf18("4","7","4","10","5","4","1") = "9"
    & skf18("4","7","4","10","5","5","1") = "9"
    & skf18("4","7","4","10","5","6","1") = "9"
    & skf18("4","7","4","10","5","7","1") = "9"
    & skf18("4","7","4","10","5","8","1") = "9"
    & skf18("4","7","4","10","5","9","1") = "9"
    & skf18("4","7","4","10","5","10","1") = "9"
    & skf18("4","7","4","10","6","1","1") = "9"
    & skf18("4","7","4","10","6","2","1") = "9"
    & skf18("4","7","4","10","6","3","1") = "9"
    & skf18("4","7","4","10","6","4","1") = "9"
    & skf18("4","7","4","10","6","5","1") = "9"
    & skf18("4","7","4","10","6","6","1") = "9"
    & skf18("4","7","4","10","6","7","1") = "9"
    & skf18("4","7","4","10","6","8","1") = "9"
    & skf18("4","7","4","10","6","9","1") = "9"
    & skf18("4","7","4","10","6","10","1") = "9"
    & skf18("4","7","4","10","7","1","1") = "9"
    & skf18("4","7","4","10","7","2","1") = "9"
    & skf18("4","7","4","10","7","3","1") = "9"
    & skf18("4","7","4","10","7","4","1") = "9"
    & skf18("4","7","4","10","7","5","1") = "9"
    & skf18("4","7","4","10","7","6","1") = "9"
    & skf18("4","7","4","10","7","7","1") = "9"
    & skf18("4","7","4","10","7","8","1") = "9"
    & skf18("4","7","4","10","7","9","1") = "9"
    & skf18("4","7","4","10","7","10","1") = "9"
    & skf18("4","7","4","10","8","1","1") = "9"
    & skf18("4","7","4","10","8","2","1") = "9"
    & skf18("4","7","4","10","8","3","1") = "9"
    & skf18("4","7","4","10","8","4","1") = "9"
    & skf18("4","7","4","10","8","5","1") = "9"
    & skf18("4","7","4","10","8","6","1") = "9"
    & skf18("4","7","4","10","8","7","1") = "9"
    & skf18("4","7","4","10","8","8","1") = "9"
    & skf18("4","7","4","10","8","9","1") = "9"
    & skf18("4","7","4","10","8","10","1") = "9"
    & skf18("4","7","4","10","9","1","1") = "9"
    & skf18("4","7","4","10","9","2","1") = "9"
    & skf18("4","7","4","10","9","3","1") = "9"
    & skf18("4","7","4","10","9","4","1") = "9"
    & skf18("4","7","4","10","9","5","1") = "9"
    & skf18("4","7","4","10","9","6","1") = "9"
    & skf18("4","7","4","10","9","7","1") = "9"
    & skf18("4","7","4","10","9","8","1") = "9"
    & skf18("4","7","4","10","9","9","1") = "9"
    & skf18("4","7","4","10","9","10","1") = "9"
    & skf18("4","7","4","10","10","1","1") = "9"
    & skf18("4","7","4","10","10","2","1") = "9"
    & skf18("4","7","4","10","10","3","1") = "9"
    & skf18("4","7","4","10","10","4","1") = "9"
    & skf18("4","7","4","10","10","5","1") = "9"
    & skf18("4","7","4","10","10","6","1") = "9"
    & skf18("4","7","4","10","10","7","1") = "9"
    & skf18("4","7","4","10","10","8","1") = "9"
    & skf18("4","7","4","10","10","9","1") = "9"
    & skf18("4","7","4","10","10","10","1") = "9"
    & skf18("4","7","5","1","1","1","1") = "6"
    & skf18("4","7","5","1","1","2","1") = "6"
    & skf18("4","7","5","1","1","3","1") = "6"
    & skf18("4","7","5","1","1","4","1") = "6"
    & skf18("4","7","5","1","1","5","1") = "6"
    & skf18("4","7","5","1","1","6","1") = "6"
    & skf18("4","7","5","1","1","7","1") = "6"
    & skf18("4","7","5","1","1","8","1") = "7"
    & skf18("4","7","5","1","1","9","1") = "8"
    & skf18("4","7","5","1","1","10","1") = "9"
    & skf18("4","7","5","1","2","1","1") = "6"
    & skf18("4","7","5","1","2","2","1") = "6"
    & skf18("4","7","5","1","2","3","1") = "6"
    & skf18("4","7","5","1","2","4","1") = "6"
    & skf18("4","7","5","1","2","5","1") = "6"
    & skf18("4","7","5","1","2","6","1") = "6"
    & skf18("4","7","5","1","2","7","1") = "6"
    & skf18("4","7","5","1","2","8","1") = "7"
    & skf18("4","7","5","1","2","9","1") = "8"
    & skf18("4","7","5","1","2","10","1") = "9"
    & skf18("4","7","5","1","3","1","1") = "6"
    & skf18("4","7","5","1","3","2","1") = "6"
    & skf18("4","7","5","1","3","3","1") = "6"
    & skf18("4","7","5","1","3","4","1") = "6"
    & skf18("4","7","5","1","3","5","1") = "6"
    & skf18("4","7","5","1","3","6","1") = "6"
    & skf18("4","7","5","1","3","7","1") = "6"
    & skf18("4","7","5","1","3","8","1") = "7"
    & skf18("4","7","5","1","3","9","1") = "8"
    & skf18("4","7","5","1","3","10","1") = "9"
    & skf18("4","7","5","1","4","1","1") = "6"
    & skf18("4","7","5","1","4","2","1") = "6"
    & skf18("4","7","5","1","4","3","1") = "6"
    & skf18("4","7","5","1","4","4","1") = "6"
    & skf18("4","7","5","1","4","5","1") = "6"
    & skf18("4","7","5","1","4","6","1") = "6"
    & skf18("4","7","5","1","4","7","1") = "6"
    & skf18("4","7","5","1","4","8","1") = "7"
    & skf18("4","7","5","1","4","9","1") = "8"
    & skf18("4","7","5","1","4","10","1") = "9"
    & skf18("4","7","5","1","5","1","1") = "6"
    & skf18("4","7","5","1","5","2","1") = "6"
    & skf18("4","7","5","1","5","3","1") = "6"
    & skf18("4","7","5","1","5","4","1") = "6"
    & skf18("4","7","5","1","5","5","1") = "6"
    & skf18("4","7","5","1","5","6","1") = "6"
    & skf18("4","7","5","1","5","7","1") = "6"
    & skf18("4","7","5","1","5","8","1") = "7"
    & skf18("4","7","5","1","5","9","1") = "8"
    & skf18("4","7","5","1","5","10","1") = "9"
    & skf18("4","7","5","1","6","1","1") = "6"
    & skf18("4","7","5","1","6","2","1") = "6"
    & skf18("4","7","5","1","6","3","1") = "6"
    & skf18("4","7","5","1","6","4","1") = "6"
    & skf18("4","7","5","1","6","5","1") = "6"
    & skf18("4","7","5","1","6","6","1") = "6"
    & skf18("4","7","5","1","6","7","1") = "6"
    & skf18("4","7","5","1","6","8","1") = "7"
    & skf18("4","7","5","1","6","9","1") = "8"
    & skf18("4","7","5","1","6","10","1") = "9"
    & skf18("4","7","5","1","7","1","1") = "6"
    & skf18("4","7","5","1","7","2","1") = "6"
    & skf18("4","7","5","1","7","3","1") = "6"
    & skf18("4","7","5","1","7","4","1") = "6"
    & skf18("4","7","5","1","7","5","1") = "6"
    & skf18("4","7","5","1","7","6","1") = "6"
    & skf18("4","7","5","1","7","7","1") = "6"
    & skf18("4","7","5","1","7","8","1") = "7"
    & skf18("4","7","5","1","7","9","1") = "8"
    & skf18("4","7","5","1","7","10","1") = "9"
    & skf18("4","7","5","1","8","1","1") = "7"
    & skf18("4","7","5","1","8","2","1") = "7"
    & skf18("4","7","5","1","8","3","1") = "7"
    & skf18("4","7","5","1","8","4","1") = "7"
    & skf18("4","7","5","1","8","5","1") = "7"
    & skf18("4","7","5","1","8","6","1") = "7"
    & skf18("4","7","5","1","8","7","1") = "7"
    & skf18("4","7","5","1","8","8","1") = "7"
    & skf18("4","7","5","1","8","9","1") = "8"
    & skf18("4","7","5","1","8","10","1") = "9"
    & skf18("4","7","5","1","9","1","1") = "8"
    & skf18("4","7","5","1","9","2","1") = "8"
    & skf18("4","7","5","1","9","3","1") = "8"
    & skf18("4","7","5","1","9","4","1") = "8"
    & skf18("4","7","5","1","9","5","1") = "8"
    & skf18("4","7","5","1","9","6","1") = "8"
    & skf18("4","7","5","1","9","7","1") = "8"
    & skf18("4","7","5","1","9","8","1") = "8"
    & skf18("4","7","5","1","9","9","1") = "8"
    & skf18("4","7","5","1","9","10","1") = "9"
    & skf18("4","7","5","1","10","1","1") = "9"
    & skf18("4","7","5","1","10","2","1") = "9"
    & skf18("4","7","5","1","10","3","1") = "9"
    & skf18("4","7","5","1","10","4","1") = "9"
    & skf18("4","7","5","1","10","5","1") = "9"
    & skf18("4","7","5","1","10","6","1") = "9"
    & skf18("4","7","5","1","10","7","1") = "9"
    & skf18("4","7","5","1","10","8","1") = "9"
    & skf18("4","7","5","1","10","9","1") = "9"
    & skf18("4","7","5","1","10","10","1") = "9"
    & skf18("4","7","5","2","1","1","1") = "6"
    & skf18("4","7","5","2","1","2","1") = "6"
    & skf18("4","7","5","2","1","3","1") = "6"
    & skf18("4","7","5","2","1","4","1") = "6"
    & skf18("4","7","5","2","1","5","1") = "6"
    & skf18("4","7","5","2","1","6","1") = "6"
    & skf18("4","7","5","2","1","7","1") = "6"
    & skf18("4","7","5","2","1","8","1") = "7"
    & skf18("4","7","5","2","1","9","1") = "8"
    & skf18("4","7","5","2","1","10","1") = "9"
    & skf18("4","7","5","2","2","1","1") = "6"
    & skf18("4","7","5","2","2","2","1") = "6"
    & skf18("4","7","5","2","2","3","1") = "6"
    & skf18("4","7","5","2","2","4","1") = "6"
    & skf18("4","7","5","2","2","5","1") = "6"
    & skf18("4","7","5","2","2","6","1") = "6"
    & skf18("4","7","5","2","2","7","1") = "6"
    & skf18("4","7","5","2","2","8","1") = "7"
    & skf18("4","7","5","2","2","9","1") = "8"
    & skf18("4","7","5","2","2","10","1") = "9"
    & skf18("4","7","5","2","3","1","1") = "6"
    & skf18("4","7","5","2","3","2","1") = "6"
    & skf18("4","7","5","2","3","3","1") = "6"
    & skf18("4","7","5","2","3","4","1") = "6"
    & skf18("4","7","5","2","3","5","1") = "6"
    & skf18("4","7","5","2","3","6","1") = "6"
    & skf18("4","7","5","2","3","7","1") = "6"
    & skf18("4","7","5","2","3","8","1") = "7"
    & skf18("4","7","5","2","3","9","1") = "8"
    & skf18("4","7","5","2","3","10","1") = "9"
    & skf18("4","7","5","2","4","1","1") = "6"
    & skf18("4","7","5","2","4","2","1") = "6"
    & skf18("4","7","5","2","4","3","1") = "6"
    & skf18("4","7","5","2","4","4","1") = "6"
    & skf18("4","7","5","2","4","5","1") = "6"
    & skf18("4","7","5","2","4","6","1") = "6"
    & skf18("4","7","5","2","4","7","1") = "6"
    & skf18("4","7","5","2","4","8","1") = "7"
    & skf18("4","7","5","2","4","9","1") = "8"
    & skf18("4","7","5","2","4","10","1") = "9"
    & skf18("4","7","5","2","5","1","1") = "6"
    & skf18("4","7","5","2","5","2","1") = "6"
    & skf18("4","7","5","2","5","3","1") = "6"
    & skf18("4","7","5","2","5","4","1") = "6"
    & skf18("4","7","5","2","5","5","1") = "6"
    & skf18("4","7","5","2","5","6","1") = "6"
    & skf18("4","7","5","2","5","7","1") = "6"
    & skf18("4","7","5","2","5","8","1") = "7"
    & skf18("4","7","5","2","5","9","1") = "8"
    & skf18("4","7","5","2","5","10","1") = "9"
    & skf18("4","7","5","2","6","1","1") = "6"
    & skf18("4","7","5","2","6","2","1") = "6"
    & skf18("4","7","5","2","6","3","1") = "6"
    & skf18("4","7","5","2","6","4","1") = "6"
    & skf18("4","7","5","2","6","5","1") = "6"
    & skf18("4","7","5","2","6","6","1") = "6"
    & skf18("4","7","5","2","6","7","1") = "6"
    & skf18("4","7","5","2","6","8","1") = "7"
    & skf18("4","7","5","2","6","9","1") = "8"
    & skf18("4","7","5","2","6","10","1") = "9"
    & skf18("4","7","5","2","7","1","1") = "6"
    & skf18("4","7","5","2","7","2","1") = "6"
    & skf18("4","7","5","2","7","3","1") = "6"
    & skf18("4","7","5","2","7","4","1") = "6"
    & skf18("4","7","5","2","7","5","1") = "6"
    & skf18("4","7","5","2","7","6","1") = "6"
    & skf18("4","7","5","2","7","7","1") = "6"
    & skf18("4","7","5","2","7","8","1") = "7"
    & skf18("4","7","5","2","7","9","1") = "8"
    & skf18("4","7","5","2","7","10","1") = "9"
    & skf18("4","7","5","2","8","1","1") = "7"
    & skf18("4","7","5","2","8","2","1") = "7"
    & skf18("4","7","5","2","8","3","1") = "7"
    & skf18("4","7","5","2","8","4","1") = "7"
    & skf18("4","7","5","2","8","5","1") = "7"
    & skf18("4","7","5","2","8","6","1") = "7"
    & skf18("4","7","5","2","8","7","1") = "7"
    & skf18("4","7","5","2","8","8","1") = "7"
    & skf18("4","7","5","2","8","9","1") = "8"
    & skf18("4","7","5","2","8","10","1") = "9"
    & skf18("4","7","5","2","9","1","1") = "8"
    & skf18("4","7","5","2","9","2","1") = "8"
    & skf18("4","7","5","2","9","3","1") = "8"
    & skf18("4","7","5","2","9","4","1") = "8"
    & skf18("4","7","5","2","9","5","1") = "8"
    & skf18("4","7","5","2","9","6","1") = "8"
    & skf18("4","7","5","2","9","7","1") = "8"
    & skf18("4","7","5","2","9","8","1") = "8"
    & skf18("4","7","5","2","9","9","1") = "8"
    & skf18("4","7","5","2","9","10","1") = "9"
    & skf18("4","7","5","2","10","1","1") = "9"
    & skf18("4","7","5","2","10","2","1") = "9"
    & skf18("4","7","5","2","10","3","1") = "9"
    & skf18("4","7","5","2","10","4","1") = "9"
    & skf18("4","7","5","2","10","5","1") = "9"
    & skf18("4","7","5","2","10","6","1") = "9"
    & skf18("4","7","5","2","10","7","1") = "9"
    & skf18("4","7","5","2","10","8","1") = "9"
    & skf18("4","7","5","2","10","9","1") = "9"
    & skf18("4","7","5","2","10","10","1") = "9"
    & skf18("4","7","5","3","1","1","1") = "6"
    & skf18("4","7","5","3","1","2","1") = "6"
    & skf18("4","7","5","3","1","3","1") = "6"
    & skf18("4","7","5","3","1","4","1") = "6"
    & skf18("4","7","5","3","1","5","1") = "6"
    & skf18("4","7","5","3","1","6","1") = "6"
    & skf18("4","7","5","3","1","7","1") = "6"
    & skf18("4","7","5","3","1","8","1") = "7"
    & skf18("4","7","5","3","1","9","1") = "8"
    & skf18("4","7","5","3","1","10","1") = "9"
    & skf18("4","7","5","3","2","1","1") = "6"
    & skf18("4","7","5","3","2","2","1") = "6"
    & skf18("4","7","5","3","2","3","1") = "6"
    & skf18("4","7","5","3","2","4","1") = "6"
    & skf18("4","7","5","3","2","5","1") = "6"
    & skf18("4","7","5","3","2","6","1") = "6"
    & skf18("4","7","5","3","2","7","1") = "6"
    & skf18("4","7","5","3","2","8","1") = "7"
    & skf18("4","7","5","3","2","9","1") = "8"
    & skf18("4","7","5","3","2","10","1") = "9"
    & skf18("4","7","5","3","3","1","1") = "6"
    & skf18("4","7","5","3","3","2","1") = "6"
    & skf18("4","7","5","3","3","3","1") = "6"
    & skf18("4","7","5","3","3","4","1") = "6"
    & skf18("4","7","5","3","3","5","1") = "6"
    & skf18("4","7","5","3","3","6","1") = "6"
    & skf18("4","7","5","3","3","7","1") = "6"
    & skf18("4","7","5","3","3","8","1") = "7"
    & skf18("4","7","5","3","3","9","1") = "8"
    & skf18("4","7","5","3","3","10","1") = "9"
    & skf18("4","7","5","3","4","1","1") = "6"
    & skf18("4","7","5","3","4","2","1") = "6"
    & skf18("4","7","5","3","4","3","1") = "6"
    & skf18("4","7","5","3","4","4","1") = "6"
    & skf18("4","7","5","3","4","5","1") = "6"
    & skf18("4","7","5","3","4","6","1") = "6"
    & skf18("4","7","5","3","4","7","1") = "6"
    & skf18("4","7","5","3","4","8","1") = "7"
    & skf18("4","7","5","3","4","9","1") = "8"
    & skf18("4","7","5","3","4","10","1") = "9"
    & skf18("4","7","5","3","5","1","1") = "6"
    & skf18("4","7","5","3","5","2","1") = "6"
    & skf18("4","7","5","3","5","3","1") = "6"
    & skf18("4","7","5","3","5","4","1") = "6"
    & skf18("4","7","5","3","5","5","1") = "6"
    & skf18("4","7","5","3","5","6","1") = "6"
    & skf18("4","7","5","3","5","7","1") = "6"
    & skf18("4","7","5","3","5","8","1") = "7"
    & skf18("4","7","5","3","5","9","1") = "8"
    & skf18("4","7","5","3","5","10","1") = "9"
    & skf18("4","7","5","3","6","1","1") = "6"
    & skf18("4","7","5","3","6","2","1") = "6"
    & skf18("4","7","5","3","6","3","1") = "6"
    & skf18("4","7","5","3","6","4","1") = "6"
    & skf18("4","7","5","3","6","5","1") = "6"
    & skf18("4","7","5","3","6","6","1") = "6"
    & skf18("4","7","5","3","6","7","1") = "6"
    & skf18("4","7","5","3","6","8","1") = "7"
    & skf18("4","7","5","3","6","9","1") = "8"
    & skf18("4","7","5","3","6","10","1") = "9"
    & skf18("4","7","5","3","7","1","1") = "6"
    & skf18("4","7","5","3","7","2","1") = "6"
    & skf18("4","7","5","3","7","3","1") = "6"
    & skf18("4","7","5","3","7","4","1") = "6"
    & skf18("4","7","5","3","7","5","1") = "6"
    & skf18("4","7","5","3","7","6","1") = "6"
    & skf18("4","7","5","3","7","7","1") = "6"
    & skf18("4","7","5","3","7","8","1") = "7"
    & skf18("4","7","5","3","7","9","1") = "8"
    & skf18("4","7","5","3","7","10","1") = "9"
    & skf18("4","7","5","3","8","1","1") = "7"
    & skf18("4","7","5","3","8","2","1") = "7"
    & skf18("4","7","5","3","8","3","1") = "7"
    & skf18("4","7","5","3","8","4","1") = "7"
    & skf18("4","7","5","3","8","5","1") = "7"
    & skf18("4","7","5","3","8","6","1") = "7"
    & skf18("4","7","5","3","8","7","1") = "7"
    & skf18("4","7","5","3","8","8","1") = "7"
    & skf18("4","7","5","3","8","9","1") = "8"
    & skf18("4","7","5","3","8","10","1") = "9"
    & skf18("4","7","5","3","9","1","1") = "8"
    & skf18("4","7","5","3","9","2","1") = "8"
    & skf18("4","7","5","3","9","3","1") = "8"
    & skf18("4","7","5","3","9","4","1") = "8"
    & skf18("4","7","5","3","9","5","1") = "8"
    & skf18("4","7","5","3","9","6","1") = "8"
    & skf18("4","7","5","3","9","7","1") = "8"
    & skf18("4","7","5","3","9","8","1") = "8"
    & skf18("4","7","5","3","9","9","1") = "8"
    & skf18("4","7","5","3","9","10","1") = "9"
    & skf18("4","7","5","3","10","1","1") = "9"
    & skf18("4","7","5","3","10","2","1") = "9"
    & skf18("4","7","5","3","10","3","1") = "9"
    & skf18("4","7","5","3","10","4","1") = "9"
    & skf18("4","7","5","3","10","5","1") = "9"
    & skf18("4","7","5","3","10","6","1") = "9"
    & skf18("4","7","5","3","10","7","1") = "9"
    & skf18("4","7","5","3","10","8","1") = "9"
    & skf18("4","7","5","3","10","9","1") = "9"
    & skf18("4","7","5","3","10","10","1") = "9"
    & skf18("4","7","5","4","1","1","1") = "6"
    & skf18("4","7","5","4","1","2","1") = "6"
    & skf18("4","7","5","4","1","3","1") = "6"
    & skf18("4","7","5","4","1","4","1") = "6"
    & skf18("4","7","5","4","1","5","1") = "6"
    & skf18("4","7","5","4","1","6","1") = "6"
    & skf18("4","7","5","4","1","7","1") = "6"
    & skf18("4","7","5","4","1","8","1") = "7"
    & skf18("4","7","5","4","1","9","1") = "8"
    & skf18("4","7","5","4","1","10","1") = "9"
    & skf18("4","7","5","4","2","1","1") = "6"
    & skf18("4","7","5","4","2","2","1") = "6"
    & skf18("4","7","5","4","2","3","1") = "6"
    & skf18("4","7","5","4","2","4","1") = "6"
    & skf18("4","7","5","4","2","5","1") = "6"
    & skf18("4","7","5","4","2","6","1") = "6"
    & skf18("4","7","5","4","2","7","1") = "6"
    & skf18("4","7","5","4","2","8","1") = "7"
    & skf18("4","7","5","4","2","9","1") = "8"
    & skf18("4","7","5","4","2","10","1") = "9"
    & skf18("4","7","5","4","3","1","1") = "6"
    & skf18("4","7","5","4","3","2","1") = "6"
    & skf18("4","7","5","4","3","3","1") = "6"
    & skf18("4","7","5","4","3","4","1") = "6"
    & skf18("4","7","5","4","3","5","1") = "6"
    & skf18("4","7","5","4","3","6","1") = "6"
    & skf18("4","7","5","4","3","7","1") = "6"
    & skf18("4","7","5","4","3","8","1") = "7"
    & skf18("4","7","5","4","3","9","1") = "8"
    & skf18("4","7","5","4","3","10","1") = "9"
    & skf18("4","7","5","4","4","1","1") = "6"
    & skf18("4","7","5","4","4","2","1") = "6"
    & skf18("4","7","5","4","4","3","1") = "6"
    & skf18("4","7","5","4","4","4","1") = "6"
    & skf18("4","7","5","4","4","5","1") = "6"
    & skf18("4","7","5","4","4","6","1") = "6"
    & skf18("4","7","5","4","4","7","1") = "6"
    & skf18("4","7","5","4","4","8","1") = "7"
    & skf18("4","7","5","4","4","9","1") = "8"
    & skf18("4","7","5","4","4","10","1") = "9"
    & skf18("4","7","5","4","5","1","1") = "6"
    & skf18("4","7","5","4","5","2","1") = "6"
    & skf18("4","7","5","4","5","3","1") = "6"
    & skf18("4","7","5","4","5","4","1") = "6"
    & skf18("4","7","5","4","5","5","1") = "6"
    & skf18("4","7","5","4","5","6","1") = "6"
    & skf18("4","7","5","4","5","7","1") = "6"
    & skf18("4","7","5","4","5","8","1") = "7"
    & skf18("4","7","5","4","5","9","1") = "8"
    & skf18("4","7","5","4","5","10","1") = "9"
    & skf18("4","7","5","4","6","1","1") = "6"
    & skf18("4","7","5","4","6","2","1") = "6"
    & skf18("4","7","5","4","6","3","1") = "6"
    & skf18("4","7","5","4","6","4","1") = "6"
    & skf18("4","7","5","4","6","5","1") = "6"
    & skf18("4","7","5","4","6","6","1") = "6"
    & skf18("4","7","5","4","6","7","1") = "6"
    & skf18("4","7","5","4","6","8","1") = "7"
    & skf18("4","7","5","4","6","9","1") = "8"
    & skf18("4","7","5","4","6","10","1") = "9"
    & skf18("4","7","5","4","7","1","1") = "6"
    & skf18("4","7","5","4","7","2","1") = "6"
    & skf18("4","7","5","4","7","3","1") = "6"
    & skf18("4","7","5","4","7","4","1") = "6"
    & skf18("4","7","5","4","7","5","1") = "6"
    & skf18("4","7","5","4","7","6","1") = "6"
    & skf18("4","7","5","4","7","7","1") = "6"
    & skf18("4","7","5","4","7","8","1") = "7"
    & skf18("4","7","5","4","7","9","1") = "8"
    & skf18("4","7","5","4","7","10","1") = "9"
    & skf18("4","7","5","4","8","1","1") = "7"
    & skf18("4","7","5","4","8","2","1") = "7"
    & skf18("4","7","5","4","8","3","1") = "7"
    & skf18("4","7","5","4","8","4","1") = "7"
    & skf18("4","7","5","4","8","5","1") = "7"
    & skf18("4","7","5","4","8","6","1") = "7"
    & skf18("4","7","5","4","8","7","1") = "7"
    & skf18("4","7","5","4","8","8","1") = "7"
    & skf18("4","7","5","4","8","9","1") = "8"
    & skf18("4","7","5","4","8","10","1") = "9"
    & skf18("4","7","5","4","9","1","1") = "8"
    & skf18("4","7","5","4","9","2","1") = "8"
    & skf18("4","7","5","4","9","3","1") = "8"
    & skf18("4","7","5","4","9","4","1") = "8"
    & skf18("4","7","5","4","9","5","1") = "8"
    & skf18("4","7","5","4","9","6","1") = "8"
    & skf18("4","7","5","4","9","7","1") = "8"
    & skf18("4","7","5","4","9","8","1") = "8"
    & skf18("4","7","5","4","9","9","1") = "8"
    & skf18("4","7","5","4","9","10","1") = "9"
    & skf18("4","7","5","4","10","1","1") = "9"
    & skf18("4","7","5","4","10","2","1") = "9"
    & skf18("4","7","5","4","10","3","1") = "9"
    & skf18("4","7","5","4","10","4","1") = "9"
    & skf18("4","7","5","4","10","5","1") = "9"
    & skf18("4","7","5","4","10","6","1") = "9"
    & skf18("4","7","5","4","10","7","1") = "9"
    & skf18("4","7","5","4","10","8","1") = "9"
    & skf18("4","7","5","4","10","9","1") = "9"
    & skf18("4","7","5","4","10","10","1") = "9"
    & skf18("4","7","5","5","1","1","1") = "6"
    & skf18("4","7","5","5","1","2","1") = "6"
    & skf18("4","7","5","5","1","3","1") = "6"
    & skf18("4","7","5","5","1","4","1") = "6"
    & skf18("4","7","5","5","1","5","1") = "6"
    & skf18("4","7","5","5","1","6","1") = "6"
    & skf18("4","7","5","5","1","7","1") = "6"
    & skf18("4","7","5","5","1","8","1") = "7"
    & skf18("4","7","5","5","1","9","1") = "8"
    & skf18("4","7","5","5","1","10","1") = "9"
    & skf18("4","7","5","5","2","1","1") = "6"
    & skf18("4","7","5","5","2","2","1") = "6"
    & skf18("4","7","5","5","2","3","1") = "6"
    & skf18("4","7","5","5","2","4","1") = "6"
    & skf18("4","7","5","5","2","5","1") = "6"
    & skf18("4","7","5","5","2","6","1") = "6"
    & skf18("4","7","5","5","2","7","1") = "6"
    & skf18("4","7","5","5","2","8","1") = "7"
    & skf18("4","7","5","5","2","9","1") = "8"
    & skf18("4","7","5","5","2","10","1") = "9"
    & skf18("4","7","5","5","3","1","1") = "6"
    & skf18("4","7","5","5","3","2","1") = "6"
    & skf18("4","7","5","5","3","3","1") = "6"
    & skf18("4","7","5","5","3","4","1") = "6"
    & skf18("4","7","5","5","3","5","1") = "6"
    & skf18("4","7","5","5","3","6","1") = "6"
    & skf18("4","7","5","5","3","7","1") = "6"
    & skf18("4","7","5","5","3","8","1") = "7"
    & skf18("4","7","5","5","3","9","1") = "8"
    & skf18("4","7","5","5","3","10","1") = "9"
    & skf18("4","7","5","5","4","1","1") = "6"
    & skf18("4","7","5","5","4","2","1") = "6"
    & skf18("4","7","5","5","4","3","1") = "6"
    & skf18("4","7","5","5","4","4","1") = "6"
    & skf18("4","7","5","5","4","5","1") = "6"
    & skf18("4","7","5","5","4","6","1") = "6"
    & skf18("4","7","5","5","4","7","1") = "6"
    & skf18("4","7","5","5","4","8","1") = "7"
    & skf18("4","7","5","5","4","9","1") = "8"
    & skf18("4","7","5","5","4","10","1") = "9"
    & skf18("4","7","5","5","5","1","1") = "6"
    & skf18("4","7","5","5","5","2","1") = "6"
    & skf18("4","7","5","5","5","3","1") = "6"
    & skf18("4","7","5","5","5","4","1") = "6"
    & skf18("4","7","5","5","5","5","1") = "6"
    & skf18("4","7","5","5","5","6","1") = "6"
    & skf18("4","7","5","5","5","7","1") = "6"
    & skf18("4","7","5","5","5","8","1") = "7"
    & skf18("4","7","5","5","5","9","1") = "8"
    & skf18("4","7","5","5","5","10","1") = "9"
    & skf18("4","7","5","5","6","1","1") = "6"
    & skf18("4","7","5","5","6","2","1") = "6"
    & skf18("4","7","5","5","6","3","1") = "6"
    & skf18("4","7","5","5","6","4","1") = "6"
    & skf18("4","7","5","5","6","5","1") = "6"
    & skf18("4","7","5","5","6","6","1") = "6"
    & skf18("4","7","5","5","6","7","1") = "6"
    & skf18("4","7","5","5","6","8","1") = "7"
    & skf18("4","7","5","5","6","9","1") = "8"
    & skf18("4","7","5","5","6","10","1") = "9"
    & skf18("4","7","5","5","7","1","1") = "6"
    & skf18("4","7","5","5","7","2","1") = "6"
    & skf18("4","7","5","5","7","3","1") = "6"
    & skf18("4","7","5","5","7","4","1") = "6"
    & skf18("4","7","5","5","7","5","1") = "6"
    & skf18("4","7","5","5","7","6","1") = "6"
    & skf18("4","7","5","5","7","7","1") = "6"
    & skf18("4","7","5","5","7","8","1") = "7"
    & skf18("4","7","5","5","7","9","1") = "8"
    & skf18("4","7","5","5","7","10","1") = "9"
    & skf18("4","7","5","5","8","1","1") = "7"
    & skf18("4","7","5","5","8","2","1") = "7"
    & skf18("4","7","5","5","8","3","1") = "7"
    & skf18("4","7","5","5","8","4","1") = "7"
    & skf18("4","7","5","5","8","5","1") = "7"
    & skf18("4","7","5","5","8","6","1") = "7"
    & skf18("4","7","5","5","8","7","1") = "7"
    & skf18("4","7","5","5","8","8","1") = "7"
    & skf18("4","7","5","5","8","9","1") = "8"
    & skf18("4","7","5","5","8","10","1") = "9"
    & skf18("4","7","5","5","9","1","1") = "8"
    & skf18("4","7","5","5","9","2","1") = "8"
    & skf18("4","7","5","5","9","3","1") = "8"
    & skf18("4","7","5","5","9","4","1") = "8"
    & skf18("4","7","5","5","9","5","1") = "8"
    & skf18("4","7","5","5","9","6","1") = "8"
    & skf18("4","7","5","5","9","7","1") = "8"
    & skf18("4","7","5","5","9","8","1") = "8"
    & skf18("4","7","5","5","9","9","1") = "8"
    & skf18("4","7","5","5","9","10","1") = "9"
    & skf18("4","7","5","5","10","1","1") = "9"
    & skf18("4","7","5","5","10","2","1") = "9"
    & skf18("4","7","5","5","10","3","1") = "9"
    & skf18("4","7","5","5","10","4","1") = "9"
    & skf18("4","7","5","5","10","5","1") = "9"
    & skf18("4","7","5","5","10","6","1") = "9"
    & skf18("4","7","5","5","10","7","1") = "9"
    & skf18("4","7","5","5","10","8","1") = "9"
    & skf18("4","7","5","5","10","9","1") = "9"
    & skf18("4","7","5","5","10","10","1") = "9"
    & skf18("4","7","5","6","1","1","1") = "6"
    & skf18("4","7","5","6","1","2","1") = "6"
    & skf18("4","7","5","6","1","3","1") = "6"
    & skf18("4","7","5","6","1","4","1") = "6"
    & skf18("4","7","5","6","1","5","1") = "6"
    & skf18("4","7","5","6","1","6","1") = "6"
    & skf18("4","7","5","6","1","7","1") = "6"
    & skf18("4","7","5","6","1","8","1") = "7"
    & skf18("4","7","5","6","1","9","1") = "8"
    & skf18("4","7","5","6","1","10","1") = "9"
    & skf18("4","7","5","6","2","1","1") = "6"
    & skf18("4","7","5","6","2","2","1") = "6"
    & skf18("4","7","5","6","2","3","1") = "6"
    & skf18("4","7","5","6","2","4","1") = "6"
    & skf18("4","7","5","6","2","5","1") = "6"
    & skf18("4","7","5","6","2","6","1") = "6"
    & skf18("4","7","5","6","2","7","1") = "6"
    & skf18("4","7","5","6","2","8","1") = "7"
    & skf18("4","7","5","6","2","9","1") = "8"
    & skf18("4","7","5","6","2","10","1") = "9"
    & skf18("4","7","5","6","3","1","1") = "6"
    & skf18("4","7","5","6","3","2","1") = "6"
    & skf18("4","7","5","6","3","3","1") = "6"
    & skf18("4","7","5","6","3","4","1") = "6"
    & skf18("4","7","5","6","3","5","1") = "6"
    & skf18("4","7","5","6","3","6","1") = "6"
    & skf18("4","7","5","6","3","7","1") = "6"
    & skf18("4","7","5","6","3","8","1") = "7"
    & skf18("4","7","5","6","3","9","1") = "8"
    & skf18("4","7","5","6","3","10","1") = "9"
    & skf18("4","7","5","6","4","1","1") = "6"
    & skf18("4","7","5","6","4","2","1") = "6"
    & skf18("4","7","5","6","4","3","1") = "6"
    & skf18("4","7","5","6","4","4","1") = "6"
    & skf18("4","7","5","6","4","5","1") = "6"
    & skf18("4","7","5","6","4","6","1") = "6"
    & skf18("4","7","5","6","4","7","1") = "6"
    & skf18("4","7","5","6","4","8","1") = "7"
    & skf18("4","7","5","6","4","9","1") = "8"
    & skf18("4","7","5","6","4","10","1") = "9"
    & skf18("4","7","5","6","5","1","1") = "6"
    & skf18("4","7","5","6","5","2","1") = "6"
    & skf18("4","7","5","6","5","3","1") = "6"
    & skf18("4","7","5","6","5","4","1") = "6"
    & skf18("4","7","5","6","5","5","1") = "6"
    & skf18("4","7","5","6","5","6","1") = "6"
    & skf18("4","7","5","6","5","7","1") = "6"
    & skf18("4","7","5","6","5","8","1") = "7"
    & skf18("4","7","5","6","5","9","1") = "8"
    & skf18("4","7","5","6","5","10","1") = "9"
    & skf18("4","7","5","6","6","1","1") = "6"
    & skf18("4","7","5","6","6","2","1") = "6"
    & skf18("4","7","5","6","6","3","1") = "6"
    & skf18("4","7","5","6","6","4","1") = "6"
    & skf18("4","7","5","6","6","5","1") = "6"
    & skf18("4","7","5","6","6","6","1") = "6"
    & skf18("4","7","5","6","6","7","1") = "6"
    & skf18("4","7","5","6","6","8","1") = "7"
    & skf18("4","7","5","6","6","9","1") = "8"
    & skf18("4","7","5","6","6","10","1") = "9"
    & skf18("4","7","5","6","7","1","1") = "6"
    & skf18("4","7","5","6","7","2","1") = "6"
    & skf18("4","7","5","6","7","3","1") = "6"
    & skf18("4","7","5","6","7","4","1") = "6"
    & skf18("4","7","5","6","7","5","1") = "6"
    & skf18("4","7","5","6","7","6","1") = "6"
    & skf18("4","7","5","6","7","7","1") = "6"
    & skf18("4","7","5","6","7","8","1") = "7"
    & skf18("4","7","5","6","7","9","1") = "8"
    & skf18("4","7","5","6","7","10","1") = "9"
    & skf18("4","7","5","6","8","1","1") = "7"
    & skf18("4","7","5","6","8","2","1") = "7"
    & skf18("4","7","5","6","8","3","1") = "7"
    & skf18("4","7","5","6","8","4","1") = "7"
    & skf18("4","7","5","6","8","5","1") = "7"
    & skf18("4","7","5","6","8","6","1") = "7"
    & skf18("4","7","5","6","8","7","1") = "7"
    & skf18("4","7","5","6","8","8","1") = "7"
    & skf18("4","7","5","6","8","9","1") = "8"
    & skf18("4","7","5","6","8","10","1") = "9"
    & skf18("4","7","5","6","9","1","1") = "8"
    & skf18("4","7","5","6","9","2","1") = "8"
    & skf18("4","7","5","6","9","3","1") = "8"
    & skf18("4","7","5","6","9","4","1") = "8"
    & skf18("4","7","5","6","9","5","1") = "8"
    & skf18("4","7","5","6","9","6","1") = "8"
    & skf18("4","7","5","6","9","7","1") = "8"
    & skf18("4","7","5","6","9","8","1") = "8"
    & skf18("4","7","5","6","9","9","1") = "8"
    & skf18("4","7","5","6","9","10","1") = "9"
    & skf18("4","7","5","6","10","1","1") = "9"
    & skf18("4","7","5","6","10","2","1") = "9"
    & skf18("4","7","5","6","10","3","1") = "9"
    & skf18("4","7","5","6","10","4","1") = "9"
    & skf18("4","7","5","6","10","5","1") = "9"
    & skf18("4","7","5","6","10","6","1") = "9"
    & skf18("4","7","5","6","10","7","1") = "9"
    & skf18("4","7","5","6","10","8","1") = "9"
    & skf18("4","7","5","6","10","9","1") = "9"
    & skf18("4","7","5","6","10","10","1") = "9"
    & skf18("4","7","5","7","1","1","1") = "6"
    & skf18("4","7","5","7","1","2","1") = "6"
    & skf18("4","7","5","7","1","3","1") = "6"
    & skf18("4","7","5","7","1","4","1") = "6"
    & skf18("4","7","5","7","1","5","1") = "6"
    & skf18("4","7","5","7","1","6","1") = "6"
    & skf18("4","7","5","7","1","7","1") = "6"
    & skf18("4","7","5","7","1","8","1") = "7"
    & skf18("4","7","5","7","1","9","1") = "8"
    & skf18("4","7","5","7","1","10","1") = "9"
    & skf18("4","7","5","7","2","1","1") = "6"
    & skf18("4","7","5","7","2","2","1") = "6"
    & skf18("4","7","5","7","2","3","1") = "6"
    & skf18("4","7","5","7","2","4","1") = "6"
    & skf18("4","7","5","7","2","5","1") = "6"
    & skf18("4","7","5","7","2","6","1") = "6"
    & skf18("4","7","5","7","2","7","1") = "6"
    & skf18("4","7","5","7","2","8","1") = "7"
    & skf18("4","7","5","7","2","9","1") = "8"
    & skf18("4","7","5","7","2","10","1") = "9"
    & skf18("4","7","5","7","3","1","1") = "6"
    & skf18("4","7","5","7","3","2","1") = "6"
    & skf18("4","7","5","7","3","3","1") = "6"
    & skf18("4","7","5","7","3","4","1") = "6"
    & skf18("4","7","5","7","3","5","1") = "6"
    & skf18("4","7","5","7","3","6","1") = "6"
    & skf18("4","7","5","7","3","7","1") = "6"
    & skf18("4","7","5","7","3","8","1") = "7"
    & skf18("4","7","5","7","3","9","1") = "8"
    & skf18("4","7","5","7","3","10","1") = "9"
    & skf18("4","7","5","7","4","1","1") = "6"
    & skf18("4","7","5","7","4","2","1") = "6"
    & skf18("4","7","5","7","4","3","1") = "6"
    & skf18("4","7","5","7","4","4","1") = "6"
    & skf18("4","7","5","7","4","5","1") = "6"
    & skf18("4","7","5","7","4","6","1") = "6"
    & skf18("4","7","5","7","4","7","1") = "6"
    & skf18("4","7","5","7","4","8","1") = "7"
    & skf18("4","7","5","7","4","9","1") = "8"
    & skf18("4","7","5","7","4","10","1") = "9"
    & skf18("4","7","5","7","5","1","1") = "6"
    & skf18("4","7","5","7","5","2","1") = "6"
    & skf18("4","7","5","7","5","3","1") = "6"
    & skf18("4","7","5","7","5","4","1") = "6"
    & skf18("4","7","5","7","5","5","1") = "6"
    & skf18("4","7","5","7","5","6","1") = "6"
    & skf18("4","7","5","7","5","7","1") = "6"
    & skf18("4","7","5","7","5","8","1") = "7"
    & skf18("4","7","5","7","5","9","1") = "8"
    & skf18("4","7","5","7","5","10","1") = "9"
    & skf18("4","7","5","7","6","1","1") = "6"
    & skf18("4","7","5","7","6","2","1") = "6"
    & skf18("4","7","5","7","6","3","1") = "6"
    & skf18("4","7","5","7","6","4","1") = "6"
    & skf18("4","7","5","7","6","5","1") = "6"
    & skf18("4","7","5","7","6","6","1") = "6"
    & skf18("4","7","5","7","6","7","1") = "6"
    & skf18("4","7","5","7","6","8","1") = "7"
    & skf18("4","7","5","7","6","9","1") = "8"
    & skf18("4","7","5","7","6","10","1") = "9"
    & skf18("4","7","5","7","7","1","1") = "6"
    & skf18("4","7","5","7","7","2","1") = "6"
    & skf18("4","7","5","7","7","3","1") = "6"
    & skf18("4","7","5","7","7","4","1") = "6"
    & skf18("4","7","5","7","7","5","1") = "6"
    & skf18("4","7","5","7","7","6","1") = "6"
    & skf18("4","7","5","7","7","7","1") = "6"
    & skf18("4","7","5","7","7","8","1") = "7"
    & skf18("4","7","5","7","7","9","1") = "8"
    & skf18("4","7","5","7","7","10","1") = "9"
    & skf18("4","7","5","7","8","1","1") = "7"
    & skf18("4","7","5","7","8","2","1") = "7"
    & skf18("4","7","5","7","8","3","1") = "7"
    & skf18("4","7","5","7","8","4","1") = "7"
    & skf18("4","7","5","7","8","5","1") = "7"
    & skf18("4","7","5","7","8","6","1") = "7"
    & skf18("4","7","5","7","8","7","1") = "7"
    & skf18("4","7","5","7","8","8","1") = "7"
    & skf18("4","7","5","7","8","9","1") = "8"
    & skf18("4","7","5","7","8","10","1") = "9"
    & skf18("4","7","5","7","9","1","1") = "8"
    & skf18("4","7","5","7","9","2","1") = "8"
    & skf18("4","7","5","7","9","3","1") = "8"
    & skf18("4","7","5","7","9","4","1") = "8"
    & skf18("4","7","5","7","9","5","1") = "8"
    & skf18("4","7","5","7","9","6","1") = "8"
    & skf18("4","7","5","7","9","7","1") = "8"
    & skf18("4","7","5","7","9","8","1") = "8"
    & skf18("4","7","5","7","9","9","1") = "8"
    & skf18("4","7","5","7","9","10","1") = "9"
    & skf18("4","7","5","7","10","1","1") = "9"
    & skf18("4","7","5","7","10","2","1") = "9"
    & skf18("4","7","5","7","10","3","1") = "9"
    & skf18("4","7","5","7","10","4","1") = "9"
    & skf18("4","7","5","7","10","5","1") = "9"
    & skf18("4","7","5","7","10","6","1") = "9"
    & skf18("4","7","5","7","10","7","1") = "9"
    & skf18("4","7","5","7","10","8","1") = "9"
    & skf18("4","7","5","7","10","9","1") = "9"
    & skf18("4","7","5","7","10","10","1") = "9"
    & skf18("4","7","5","8","1","1","1") = "7"
    & skf18("4","7","5","8","1","2","1") = "7"
    & skf18("4","7","5","8","1","3","1") = "7"
    & skf18("4","7","5","8","1","4","1") = "7"
    & skf18("4","7","5","8","1","5","1") = "7"
    & skf18("4","7","5","8","1","6","1") = "7"
    & skf18("4","7","5","8","1","7","1") = "7"
    & skf18("4","7","5","8","1","8","1") = "7"
    & skf18("4","7","5","8","1","9","1") = "8"
    & skf18("4","7","5","8","1","10","1") = "9"
    & skf18("4","7","5","8","2","1","1") = "7"
    & skf18("4","7","5","8","2","2","1") = "7"
    & skf18("4","7","5","8","2","3","1") = "7"
    & skf18("4","7","5","8","2","4","1") = "7"
    & skf18("4","7","5","8","2","5","1") = "7"
    & skf18("4","7","5","8","2","6","1") = "7"
    & skf18("4","7","5","8","2","7","1") = "7"
    & skf18("4","7","5","8","2","8","1") = "7"
    & skf18("4","7","5","8","2","9","1") = "8"
    & skf18("4","7","5","8","2","10","1") = "9"
    & skf18("4","7","5","8","3","1","1") = "7"
    & skf18("4","7","5","8","3","2","1") = "7"
    & skf18("4","7","5","8","3","3","1") = "7"
    & skf18("4","7","5","8","3","4","1") = "7"
    & skf18("4","7","5","8","3","5","1") = "7"
    & skf18("4","7","5","8","3","6","1") = "7"
    & skf18("4","7","5","8","3","7","1") = "7"
    & skf18("4","7","5","8","3","8","1") = "7"
    & skf18("4","7","5","8","3","9","1") = "8"
    & skf18("4","7","5","8","3","10","1") = "9"
    & skf18("4","7","5","8","4","1","1") = "7"
    & skf18("4","7","5","8","4","2","1") = "7"
    & skf18("4","7","5","8","4","3","1") = "7"
    & skf18("4","7","5","8","4","4","1") = "7"
    & skf18("4","7","5","8","4","5","1") = "7"
    & skf18("4","7","5","8","4","6","1") = "7"
    & skf18("4","7","5","8","4","7","1") = "7"
    & skf18("4","7","5","8","4","8","1") = "7"
    & skf18("4","7","5","8","4","9","1") = "8"
    & skf18("4","7","5","8","4","10","1") = "9"
    & skf18("4","7","5","8","5","1","1") = "7"
    & skf18("4","7","5","8","5","2","1") = "7"
    & skf18("4","7","5","8","5","3","1") = "7"
    & skf18("4","7","5","8","5","4","1") = "7"
    & skf18("4","7","5","8","5","5","1") = "7"
    & skf18("4","7","5","8","5","6","1") = "7"
    & skf18("4","7","5","8","5","7","1") = "7"
    & skf18("4","7","5","8","5","8","1") = "7"
    & skf18("4","7","5","8","5","9","1") = "8"
    & skf18("4","7","5","8","5","10","1") = "9"
    & skf18("4","7","5","8","6","1","1") = "7"
    & skf18("4","7","5","8","6","2","1") = "7"
    & skf18("4","7","5","8","6","3","1") = "7"
    & skf18("4","7","5","8","6","4","1") = "7"
    & skf18("4","7","5","8","6","5","1") = "7"
    & skf18("4","7","5","8","6","6","1") = "7"
    & skf18("4","7","5","8","6","7","1") = "7"
    & skf18("4","7","5","8","6","8","1") = "7"
    & skf18("4","7","5","8","6","9","1") = "8"
    & skf18("4","7","5","8","6","10","1") = "9"
    & skf18("4","7","5","8","7","1","1") = "7"
    & skf18("4","7","5","8","7","2","1") = "7"
    & skf18("4","7","5","8","7","3","1") = "7"
    & skf18("4","7","5","8","7","4","1") = "7"
    & skf18("4","7","5","8","7","5","1") = "7"
    & skf18("4","7","5","8","7","6","1") = "7"
    & skf18("4","7","5","8","7","7","1") = "7"
    & skf18("4","7","5","8","7","8","1") = "7"
    & skf18("4","7","5","8","7","9","1") = "8"
    & skf18("4","7","5","8","7","10","1") = "9"
    & skf18("4","7","5","8","8","1","1") = "7"
    & skf18("4","7","5","8","8","2","1") = "7"
    & skf18("4","7","5","8","8","3","1") = "7"
    & skf18("4","7","5","8","8","4","1") = "7"
    & skf18("4","7","5","8","8","5","1") = "7"
    & skf18("4","7","5","8","8","6","1") = "7"
    & skf18("4","7","5","8","8","7","1") = "7"
    & skf18("4","7","5","8","8","8","1") = "7"
    & skf18("4","7","5","8","8","9","1") = "8"
    & skf18("4","7","5","8","8","10","1") = "9"
    & skf18("4","7","5","8","9","1","1") = "8"
    & skf18("4","7","5","8","9","2","1") = "8"
    & skf18("4","7","5","8","9","3","1") = "8"
    & skf18("4","7","5","8","9","4","1") = "8"
    & skf18("4","7","5","8","9","5","1") = "8"
    & skf18("4","7","5","8","9","6","1") = "8"
    & skf18("4","7","5","8","9","7","1") = "8"
    & skf18("4","7","5","8","9","8","1") = "8"
    & skf18("4","7","5","8","9","9","1") = "8"
    & skf18("4","7","5","8","9","10","1") = "9"
    & skf18("4","7","5","8","10","1","1") = "9"
    & skf18("4","7","5","8","10","2","1") = "9"
    & skf18("4","7","5","8","10","3","1") = "9"
    & skf18("4","7","5","8","10","4","1") = "9"
    & skf18("4","7","5","8","10","5","1") = "9"
    & skf18("4","7","5","8","10","6","1") = "9"
    & skf18("4","7","5","8","10","7","1") = "9"
    & skf18("4","7","5","8","10","8","1") = "9"
    & skf18("4","7","5","8","10","9","1") = "9"
    & skf18("4","7","5","8","10","10","1") = "9"
    & skf18("4","7","5","9","1","1","1") = "8"
    & skf18("4","7","5","9","1","2","1") = "8"
    & skf18("4","7","5","9","1","3","1") = "8"
    & skf18("4","7","5","9","1","4","1") = "8"
    & skf18("4","7","5","9","1","5","1") = "8"
    & skf18("4","7","5","9","1","6","1") = "8"
    & skf18("4","7","5","9","1","7","1") = "8"
    & skf18("4","7","5","9","1","8","1") = "8"
    & skf18("4","7","5","9","1","9","1") = "8"
    & skf18("4","7","5","9","1","10","1") = "9"
    & skf18("4","7","5","9","2","1","1") = "8"
    & skf18("4","7","5","9","2","2","1") = "8"
    & skf18("4","7","5","9","2","3","1") = "8"
    & skf18("4","7","5","9","2","4","1") = "8"
    & skf18("4","7","5","9","2","5","1") = "8"
    & skf18("4","7","5","9","2","6","1") = "8"
    & skf18("4","7","5","9","2","7","1") = "8"
    & skf18("4","7","5","9","2","8","1") = "8"
    & skf18("4","7","5","9","2","9","1") = "8"
    & skf18("4","7","5","9","2","10","1") = "9"
    & skf18("4","7","5","9","3","1","1") = "8"
    & skf18("4","7","5","9","3","2","1") = "8"
    & skf18("4","7","5","9","3","3","1") = "8"
    & skf18("4","7","5","9","3","4","1") = "8"
    & skf18("4","7","5","9","3","5","1") = "8"
    & skf18("4","7","5","9","3","6","1") = "8"
    & skf18("4","7","5","9","3","7","1") = "8"
    & skf18("4","7","5","9","3","8","1") = "8"
    & skf18("4","7","5","9","3","9","1") = "8"
    & skf18("4","7","5","9","3","10","1") = "9"
    & skf18("4","7","5","9","4","1","1") = "8"
    & skf18("4","7","5","9","4","2","1") = "8"
    & skf18("4","7","5","9","4","3","1") = "8"
    & skf18("4","7","5","9","4","4","1") = "8"
    & skf18("4","7","5","9","4","5","1") = "8"
    & skf18("4","7","5","9","4","6","1") = "8"
    & skf18("4","7","5","9","4","7","1") = "8"
    & skf18("4","7","5","9","4","8","1") = "8"
    & skf18("4","7","5","9","4","9","1") = "8"
    & skf18("4","7","5","9","4","10","1") = "9"
    & skf18("4","7","5","9","5","1","1") = "8"
    & skf18("4","7","5","9","5","2","1") = "8"
    & skf18("4","7","5","9","5","3","1") = "8"
    & skf18("4","7","5","9","5","4","1") = "8"
    & skf18("4","7","5","9","5","5","1") = "8"
    & skf18("4","7","5","9","5","6","1") = "8"
    & skf18("4","7","5","9","5","7","1") = "8"
    & skf18("4","7","5","9","5","8","1") = "8"
    & skf18("4","7","5","9","5","9","1") = "8"
    & skf18("4","7","5","9","5","10","1") = "9"
    & skf18("4","7","5","9","6","1","1") = "8"
    & skf18("4","7","5","9","6","2","1") = "8"
    & skf18("4","7","5","9","6","3","1") = "8"
    & skf18("4","7","5","9","6","4","1") = "8"
    & skf18("4","7","5","9","6","5","1") = "8"
    & skf18("4","7","5","9","6","6","1") = "8"
    & skf18("4","7","5","9","6","7","1") = "8"
    & skf18("4","7","5","9","6","8","1") = "8"
    & skf18("4","7","5","9","6","9","1") = "8"
    & skf18("4","7","5","9","6","10","1") = "9"
    & skf18("4","7","5","9","7","1","1") = "8"
    & skf18("4","7","5","9","7","2","1") = "8"
    & skf18("4","7","5","9","7","3","1") = "8"
    & skf18("4","7","5","9","7","4","1") = "8"
    & skf18("4","7","5","9","7","5","1") = "8"
    & skf18("4","7","5","9","7","6","1") = "8"
    & skf18("4","7","5","9","7","7","1") = "8"
    & skf18("4","7","5","9","7","8","1") = "8"
    & skf18("4","7","5","9","7","9","1") = "8"
    & skf18("4","7","5","9","7","10","1") = "9"
    & skf18("4","7","5","9","8","1","1") = "8"
    & skf18("4","7","5","9","8","2","1") = "8"
    & skf18("4","7","5","9","8","3","1") = "8"
    & skf18("4","7","5","9","8","4","1") = "8"
    & skf18("4","7","5","9","8","5","1") = "8"
    & skf18("4","7","5","9","8","6","1") = "8"
    & skf18("4","7","5","9","8","7","1") = "8"
    & skf18("4","7","5","9","8","8","1") = "8"
    & skf18("4","7","5","9","8","9","1") = "8"
    & skf18("4","7","5","9","8","10","1") = "9"
    & skf18("4","7","5","9","9","1","1") = "8"
    & skf18("4","7","5","9","9","2","1") = "8"
    & skf18("4","7","5","9","9","3","1") = "8"
    & skf18("4","7","5","9","9","4","1") = "8"
    & skf18("4","7","5","9","9","5","1") = "8"
    & skf18("4","7","5","9","9","6","1") = "8"
    & skf18("4","7","5","9","9","7","1") = "8"
    & skf18("4","7","5","9","9","8","1") = "8"
    & skf18("4","7","5","9","9","9","1") = "8"
    & skf18("4","7","5","9","9","10","1") = "9"
    & skf18("4","7","5","9","10","1","1") = "9"
    & skf18("4","7","5","9","10","2","1") = "9"
    & skf18("4","7","5","9","10","3","1") = "9"
    & skf18("4","7","5","9","10","4","1") = "9"
    & skf18("4","7","5","9","10","5","1") = "9"
    & skf18("4","7","5","9","10","6","1") = "9"
    & skf18("4","7","5","9","10","7","1") = "9"
    & skf18("4","7","5","9","10","8","1") = "9"
    & skf18("4","7","5","9","10","9","1") = "9"
    & skf18("4","7","5","9","10","10","1") = "9"
    & skf18("4","7","5","10","1","1","1") = "9"
    & skf18("4","7","5","10","1","2","1") = "9"
    & skf18("4","7","5","10","1","3","1") = "9"
    & skf18("4","7","5","10","1","4","1") = "9"
    & skf18("4","7","5","10","1","5","1") = "9"
    & skf18("4","7","5","10","1","6","1") = "9"
    & skf18("4","7","5","10","1","7","1") = "9"
    & skf18("4","7","5","10","1","8","1") = "9"
    & skf18("4","7","5","10","1","9","1") = "9"
    & skf18("4","7","5","10","1","10","1") = "9"
    & skf18("4","7","5","10","2","1","1") = "9"
    & skf18("4","7","5","10","2","2","1") = "9"
    & skf18("4","7","5","10","2","3","1") = "9"
    & skf18("4","7","5","10","2","4","1") = "9"
    & skf18("4","7","5","10","2","5","1") = "9"
    & skf18("4","7","5","10","2","6","1") = "9"
    & skf18("4","7","5","10","2","7","1") = "9"
    & skf18("4","7","5","10","2","8","1") = "9"
    & skf18("4","7","5","10","2","9","1") = "9"
    & skf18("4","7","5","10","2","10","1") = "9"
    & skf18("4","7","5","10","3","1","1") = "9"
    & skf18("4","7","5","10","3","2","1") = "9"
    & skf18("4","7","5","10","3","3","1") = "9"
    & skf18("4","7","5","10","3","4","1") = "9"
    & skf18("4","7","5","10","3","5","1") = "9"
    & skf18("4","7","5","10","3","6","1") = "9"
    & skf18("4","7","5","10","3","7","1") = "9"
    & skf18("4","7","5","10","3","8","1") = "9"
    & skf18("4","7","5","10","3","9","1") = "9"
    & skf18("4","7","5","10","3","10","1") = "9"
    & skf18("4","7","5","10","4","1","1") = "9"
    & skf18("4","7","5","10","4","2","1") = "9"
    & skf18("4","7","5","10","4","3","1") = "9"
    & skf18("4","7","5","10","4","4","1") = "9"
    & skf18("4","7","5","10","4","5","1") = "9"
    & skf18("4","7","5","10","4","6","1") = "9"
    & skf18("4","7","5","10","4","7","1") = "9"
    & skf18("4","7","5","10","4","8","1") = "9"
    & skf18("4","7","5","10","4","9","1") = "9"
    & skf18("4","7","5","10","4","10","1") = "9"
    & skf18("4","7","5","10","5","1","1") = "9"
    & skf18("4","7","5","10","5","2","1") = "9"
    & skf18("4","7","5","10","5","3","1") = "9"
    & skf18("4","7","5","10","5","4","1") = "9"
    & skf18("4","7","5","10","5","5","1") = "9"
    & skf18("4","7","5","10","5","6","1") = "9"
    & skf18("4","7","5","10","5","7","1") = "9"
    & skf18("4","7","5","10","5","8","1") = "9"
    & skf18("4","7","5","10","5","9","1") = "9"
    & skf18("4","7","5","10","5","10","1") = "9"
    & skf18("4","7","5","10","6","1","1") = "9"
    & skf18("4","7","5","10","6","2","1") = "9"
    & skf18("4","7","5","10","6","3","1") = "9"
    & skf18("4","7","5","10","6","4","1") = "9"
    & skf18("4","7","5","10","6","5","1") = "9"
    & skf18("4","7","5","10","6","6","1") = "9"
    & skf18("4","7","5","10","6","7","1") = "9"
    & skf18("4","7","5","10","6","8","1") = "9"
    & skf18("4","7","5","10","6","9","1") = "9"
    & skf18("4","7","5","10","6","10","1") = "9"
    & skf18("4","7","5","10","7","1","1") = "9"
    & skf18("4","7","5","10","7","2","1") = "9"
    & skf18("4","7","5","10","7","3","1") = "9"
    & skf18("4","7","5","10","7","4","1") = "9"
    & skf18("4","7","5","10","7","5","1") = "9"
    & skf18("4","7","5","10","7","6","1") = "9"
    & skf18("4","7","5","10","7","7","1") = "9"
    & skf18("4","7","5","10","7","8","1") = "9"
    & skf18("4","7","5","10","7","9","1") = "9"
    & skf18("4","7","5","10","7","10","1") = "9"
    & skf18("4","7","5","10","8","1","1") = "9"
    & skf18("4","7","5","10","8","2","1") = "9"
    & skf18("4","7","5","10","8","3","1") = "9"
    & skf18("4","7","5","10","8","4","1") = "9"
    & skf18("4","7","5","10","8","5","1") = "9"
    & skf18("4","7","5","10","8","6","1") = "9"
    & skf18("4","7","5","10","8","7","1") = "9"
    & skf18("4","7","5","10","8","8","1") = "9"
    & skf18("4","7","5","10","8","9","1") = "9"
    & skf18("4","7","5","10","8","10","1") = "9"
    & skf18("4","7","5","10","9","1","1") = "9"
    & skf18("4","7","5","10","9","2","1") = "9"
    & skf18("4","7","5","10","9","3","1") = "9"
    & skf18("4","7","5","10","9","4","1") = "9"
    & skf18("4","7","5","10","9","5","1") = "9"
    & skf18("4","7","5","10","9","6","1") = "9"
    & skf18("4","7","5","10","9","7","1") = "9"
    & skf18("4","7","5","10","9","8","1") = "9"
    & skf18("4","7","5","10","9","9","1") = "9"
    & skf18("4","7","5","10","9","10","1") = "9"
    & skf18("4","7","5","10","10","1","1") = "9"
    & skf18("4","7","5","10","10","2","1") = "9"
    & skf18("4","7","5","10","10","3","1") = "9"
    & skf18("4","7","5","10","10","4","1") = "9"
    & skf18("4","7","5","10","10","5","1") = "9"
    & skf18("4","7","5","10","10","6","1") = "9"
    & skf18("4","7","5","10","10","7","1") = "9"
    & skf18("4","7","5","10","10","8","1") = "9"
    & skf18("4","7","5","10","10","9","1") = "9"
    & skf18("4","7","5","10","10","10","1") = "9"
    & skf18("4","7","6","1","1","1","1") = "6"
    & skf18("4","7","6","1","1","2","1") = "6"
    & skf18("4","7","6","1","1","3","1") = "6"
    & skf18("4","7","6","1","1","4","1") = "6"
    & skf18("4","7","6","1","1","5","1") = "6"
    & skf18("4","7","6","1","1","6","1") = "6"
    & skf18("4","7","6","1","1","7","1") = "6"
    & skf18("4","7","6","1","1","8","1") = "7"
    & skf18("4","7","6","1","1","9","1") = "8"
    & skf18("4","7","6","1","1","10","1") = "9"
    & skf18("4","7","6","1","2","1","1") = "6"
    & skf18("4","7","6","1","2","2","1") = "6"
    & skf18("4","7","6","1","2","3","1") = "6"
    & skf18("4","7","6","1","2","4","1") = "6"
    & skf18("4","7","6","1","2","5","1") = "6"
    & skf18("4","7","6","1","2","6","1") = "6"
    & skf18("4","7","6","1","2","7","1") = "6"
    & skf18("4","7","6","1","2","8","1") = "7"
    & skf18("4","7","6","1","2","9","1") = "8"
    & skf18("4","7","6","1","2","10","1") = "9"
    & skf18("4","7","6","1","3","1","1") = "6"
    & skf18("4","7","6","1","3","2","1") = "6"
    & skf18("4","7","6","1","3","3","1") = "6"
    & skf18("4","7","6","1","3","4","1") = "6"
    & skf18("4","7","6","1","3","5","1") = "6"
    & skf18("4","7","6","1","3","6","1") = "6"
    & skf18("4","7","6","1","3","7","1") = "6"
    & skf18("4","7","6","1","3","8","1") = "7"
    & skf18("4","7","6","1","3","9","1") = "8"
    & skf18("4","7","6","1","3","10","1") = "9"
    & skf18("4","7","6","1","4","1","1") = "6"
    & skf18("4","7","6","1","4","2","1") = "6"
    & skf18("4","7","6","1","4","3","1") = "6"
    & skf18("4","7","6","1","4","4","1") = "6"
    & skf18("4","7","6","1","4","5","1") = "6"
    & skf18("4","7","6","1","4","6","1") = "6"
    & skf18("4","7","6","1","4","7","1") = "6"
    & skf18("4","7","6","1","4","8","1") = "7"
    & skf18("4","7","6","1","4","9","1") = "8"
    & skf18("4","7","6","1","4","10","1") = "9"
    & skf18("4","7","6","1","5","1","1") = "6"
    & skf18("4","7","6","1","5","2","1") = "6"
    & skf18("4","7","6","1","5","3","1") = "6"
    & skf18("4","7","6","1","5","4","1") = "6"
    & skf18("4","7","6","1","5","5","1") = "6"
    & skf18("4","7","6","1","5","6","1") = "6"
    & skf18("4","7","6","1","5","7","1") = "6"
    & skf18("4","7","6","1","5","8","1") = "7"
    & skf18("4","7","6","1","5","9","1") = "8"
    & skf18("4","7","6","1","5","10","1") = "9"
    & skf18("4","7","6","1","6","1","1") = "6"
    & skf18("4","7","6","1","6","2","1") = "6"
    & skf18("4","7","6","1","6","3","1") = "6"
    & skf18("4","7","6","1","6","4","1") = "6"
    & skf18("4","7","6","1","6","5","1") = "6"
    & skf18("4","7","6","1","6","6","1") = "6"
    & skf18("4","7","6","1","6","7","1") = "6"
    & skf18("4","7","6","1","6","8","1") = "7"
    & skf18("4","7","6","1","6","9","1") = "8"
    & skf18("4","7","6","1","6","10","1") = "9"
    & skf18("4","7","6","1","7","1","1") = "6"
    & skf18("4","7","6","1","7","2","1") = "6"
    & skf18("4","7","6","1","7","3","1") = "6"
    & skf18("4","7","6","1","7","4","1") = "6"
    & skf18("4","7","6","1","7","5","1") = "6"
    & skf18("4","7","6","1","7","6","1") = "6"
    & skf18("4","7","6","1","7","7","1") = "6"
    & skf18("4","7","6","1","7","8","1") = "7"
    & skf18("4","7","6","1","7","9","1") = "8"
    & skf18("4","7","6","1","7","10","1") = "9"
    & skf18("4","7","6","1","8","1","1") = "7"
    & skf18("4","7","6","1","8","2","1") = "7"
    & skf18("4","7","6","1","8","3","1") = "7"
    & skf18("4","7","6","1","8","4","1") = "7"
    & skf18("4","7","6","1","8","5","1") = "7"
    & skf18("4","7","6","1","8","6","1") = "7"
    & skf18("4","7","6","1","8","7","1") = "7"
    & skf18("4","7","6","1","8","8","1") = "7"
    & skf18("4","7","6","1","8","9","1") = "8"
    & skf18("4","7","6","1","8","10","1") = "9"
    & skf18("4","7","6","1","9","1","1") = "8"
    & skf18("4","7","6","1","9","2","1") = "8"
    & skf18("4","7","6","1","9","3","1") = "8"
    & skf18("4","7","6","1","9","4","1") = "8"
    & skf18("4","7","6","1","9","5","1") = "8"
    & skf18("4","7","6","1","9","6","1") = "8"
    & skf18("4","7","6","1","9","7","1") = "8"
    & skf18("4","7","6","1","9","8","1") = "8"
    & skf18("4","7","6","1","9","9","1") = "8"
    & skf18("4","7","6","1","9","10","1") = "9"
    & skf18("4","7","6","1","10","1","1") = "9"
    & skf18("4","7","6","1","10","2","1") = "9"
    & skf18("4","7","6","1","10","3","1") = "9"
    & skf18("4","7","6","1","10","4","1") = "9"
    & skf18("4","7","6","1","10","5","1") = "9"
    & skf18("4","7","6","1","10","6","1") = "9"
    & skf18("4","7","6","1","10","7","1") = "9"
    & skf18("4","7","6","1","10","8","1") = "9"
    & skf18("4","7","6","1","10","9","1") = "9"
    & skf18("4","7","6","1","10","10","1") = "9"
    & skf18("4","7","6","2","1","1","1") = "6"
    & skf18("4","7","6","2","1","2","1") = "6"
    & skf18("4","7","6","2","1","3","1") = "6"
    & skf18("4","7","6","2","1","4","1") = "6"
    & skf18("4","7","6","2","1","5","1") = "6"
    & skf18("4","7","6","2","1","6","1") = "6"
    & skf18("4","7","6","2","1","7","1") = "6"
    & skf18("4","7","6","2","1","8","1") = "7"
    & skf18("4","7","6","2","1","9","1") = "8"
    & skf18("4","7","6","2","1","10","1") = "9"
    & skf18("4","7","6","2","2","1","1") = "6"
    & skf18("4","7","6","2","2","2","1") = "6"
    & skf18("4","7","6","2","2","3","1") = "6"
    & skf18("4","7","6","2","2","4","1") = "6"
    & skf18("4","7","6","2","2","5","1") = "6"
    & skf18("4","7","6","2","2","6","1") = "6"
    & skf18("4","7","6","2","2","7","1") = "6"
    & skf18("4","7","6","2","2","8","1") = "7"
    & skf18("4","7","6","2","2","9","1") = "8"
    & skf18("4","7","6","2","2","10","1") = "9"
    & skf18("4","7","6","2","3","1","1") = "6"
    & skf18("4","7","6","2","3","2","1") = "6"
    & skf18("4","7","6","2","3","3","1") = "6"
    & skf18("4","7","6","2","3","4","1") = "6"
    & skf18("4","7","6","2","3","5","1") = "6"
    & skf18("4","7","6","2","3","6","1") = "6"
    & skf18("4","7","6","2","3","7","1") = "6"
    & skf18("4","7","6","2","3","8","1") = "7"
    & skf18("4","7","6","2","3","9","1") = "8"
    & skf18("4","7","6","2","3","10","1") = "9"
    & skf18("4","7","6","2","4","1","1") = "6"
    & skf18("4","7","6","2","4","2","1") = "6"
    & skf18("4","7","6","2","4","3","1") = "6"
    & skf18("4","7","6","2","4","4","1") = "6"
    & skf18("4","7","6","2","4","5","1") = "6"
    & skf18("4","7","6","2","4","6","1") = "6"
    & skf18("4","7","6","2","4","7","1") = "6"
    & skf18("4","7","6","2","4","8","1") = "7"
    & skf18("4","7","6","2","4","9","1") = "8"
    & skf18("4","7","6","2","4","10","1") = "9"
    & skf18("4","7","6","2","5","1","1") = "6"
    & skf18("4","7","6","2","5","2","1") = "6"
    & skf18("4","7","6","2","5","3","1") = "6"
    & skf18("4","7","6","2","5","4","1") = "6"
    & skf18("4","7","6","2","5","5","1") = "6"
    & skf18("4","7","6","2","5","6","1") = "6"
    & skf18("4","7","6","2","5","7","1") = "6"
    & skf18("4","7","6","2","5","8","1") = "7"
    & skf18("4","7","6","2","5","9","1") = "8"
    & skf18("4","7","6","2","5","10","1") = "9"
    & skf18("4","7","6","2","6","1","1") = "6"
    & skf18("4","7","6","2","6","2","1") = "6"
    & skf18("4","7","6","2","6","3","1") = "6"
    & skf18("4","7","6","2","6","4","1") = "6"
    & skf18("4","7","6","2","6","5","1") = "6"
    & skf18("4","7","6","2","6","6","1") = "6"
    & skf18("4","7","6","2","6","7","1") = "6"
    & skf18("4","7","6","2","6","8","1") = "7"
    & skf18("4","7","6","2","6","9","1") = "8"
    & skf18("4","7","6","2","6","10","1") = "9"
    & skf18("4","7","6","2","7","1","1") = "6"
    & skf18("4","7","6","2","7","2","1") = "6"
    & skf18("4","7","6","2","7","3","1") = "6"
    & skf18("4","7","6","2","7","4","1") = "6"
    & skf18("4","7","6","2","7","5","1") = "6"
    & skf18("4","7","6","2","7","6","1") = "6"
    & skf18("4","7","6","2","7","7","1") = "6"
    & skf18("4","7","6","2","7","8","1") = "7"
    & skf18("4","7","6","2","7","9","1") = "8"
    & skf18("4","7","6","2","7","10","1") = "9"
    & skf18("4","7","6","2","8","1","1") = "7"
    & skf18("4","7","6","2","8","2","1") = "7"
    & skf18("4","7","6","2","8","3","1") = "7"
    & skf18("4","7","6","2","8","4","1") = "7"
    & skf18("4","7","6","2","8","5","1") = "7"
    & skf18("4","7","6","2","8","6","1") = "7"
    & skf18("4","7","6","2","8","7","1") = "7"
    & skf18("4","7","6","2","8","8","1") = "7"
    & skf18("4","7","6","2","8","9","1") = "8"
    & skf18("4","7","6","2","8","10","1") = "9"
    & skf18("4","7","6","2","9","1","1") = "8"
    & skf18("4","7","6","2","9","2","1") = "8"
    & skf18("4","7","6","2","9","3","1") = "8"
    & skf18("4","7","6","2","9","4","1") = "8"
    & skf18("4","7","6","2","9","5","1") = "8"
    & skf18("4","7","6","2","9","6","1") = "8"
    & skf18("4","7","6","2","9","7","1") = "8"
    & skf18("4","7","6","2","9","8","1") = "8"
    & skf18("4","7","6","2","9","9","1") = "8"
    & skf18("4","7","6","2","9","10","1") = "9"
    & skf18("4","7","6","2","10","1","1") = "9"
    & skf18("4","7","6","2","10","2","1") = "9"
    & skf18("4","7","6","2","10","3","1") = "9"
    & skf18("4","7","6","2","10","4","1") = "9"
    & skf18("4","7","6","2","10","5","1") = "9"
    & skf18("4","7","6","2","10","6","1") = "9"
    & skf18("4","7","6","2","10","7","1") = "9"
    & skf18("4","7","6","2","10","8","1") = "9"
    & skf18("4","7","6","2","10","9","1") = "9"
    & skf18("4","7","6","2","10","10","1") = "9"
    & skf18("4","7","6","3","1","1","1") = "6"
    & skf18("4","7","6","3","1","2","1") = "6"
    & skf18("4","7","6","3","1","3","1") = "6"
    & skf18("4","7","6","3","1","4","1") = "6"
    & skf18("4","7","6","3","1","5","1") = "6"
    & skf18("4","7","6","3","1","6","1") = "6"
    & skf18("4","7","6","3","1","7","1") = "6"
    & skf18("4","7","6","3","1","8","1") = "7"
    & skf18("4","7","6","3","1","9","1") = "8"
    & skf18("4","7","6","3","1","10","1") = "9"
    & skf18("4","7","6","3","2","1","1") = "6"
    & skf18("4","7","6","3","2","2","1") = "6"
    & skf18("4","7","6","3","2","3","1") = "6"
    & skf18("4","7","6","3","2","4","1") = "6"
    & skf18("4","7","6","3","2","5","1") = "6"
    & skf18("4","7","6","3","2","6","1") = "6"
    & skf18("4","7","6","3","2","7","1") = "6"
    & skf18("4","7","6","3","2","8","1") = "7"
    & skf18("4","7","6","3","2","9","1") = "8"
    & skf18("4","7","6","3","2","10","1") = "9"
    & skf18("4","7","6","3","3","1","1") = "6"
    & skf18("4","7","6","3","3","2","1") = "6"
    & skf18("4","7","6","3","3","3","1") = "6"
    & skf18("4","7","6","3","3","4","1") = "6"
    & skf18("4","7","6","3","3","5","1") = "6"
    & skf18("4","7","6","3","3","6","1") = "6"
    & skf18("4","7","6","3","3","7","1") = "6"
    & skf18("4","7","6","3","3","8","1") = "7"
    & skf18("4","7","6","3","3","9","1") = "8"
    & skf18("4","7","6","3","3","10","1") = "9"
    & skf18("4","7","6","3","4","1","1") = "6"
    & skf18("4","7","6","3","4","2","1") = "6"
    & skf18("4","7","6","3","4","3","1") = "6"
    & skf18("4","7","6","3","4","4","1") = "6"
    & skf18("4","7","6","3","4","5","1") = "6"
    & skf18("4","7","6","3","4","6","1") = "6"
    & skf18("4","7","6","3","4","7","1") = "6"
    & skf18("4","7","6","3","4","8","1") = "7"
    & skf18("4","7","6","3","4","9","1") = "8"
    & skf18("4","7","6","3","4","10","1") = "9"
    & skf18("4","7","6","3","5","1","1") = "6"
    & skf18("4","7","6","3","5","2","1") = "6"
    & skf18("4","7","6","3","5","3","1") = "6"
    & skf18("4","7","6","3","5","4","1") = "6"
    & skf18("4","7","6","3","5","5","1") = "6"
    & skf18("4","7","6","3","5","6","1") = "6"
    & skf18("4","7","6","3","5","7","1") = "6"
    & skf18("4","7","6","3","5","8","1") = "7"
    & skf18("4","7","6","3","5","9","1") = "8"
    & skf18("4","7","6","3","5","10","1") = "9"
    & skf18("4","7","6","3","6","1","1") = "6"
    & skf18("4","7","6","3","6","2","1") = "6"
    & skf18("4","7","6","3","6","3","1") = "6"
    & skf18("4","7","6","3","6","4","1") = "6"
    & skf18("4","7","6","3","6","5","1") = "6"
    & skf18("4","7","6","3","6","6","1") = "6"
    & skf18("4","7","6","3","6","7","1") = "6"
    & skf18("4","7","6","3","6","8","1") = "7"
    & skf18("4","7","6","3","6","9","1") = "8"
    & skf18("4","7","6","3","6","10","1") = "9"
    & skf18("4","7","6","3","7","1","1") = "6"
    & skf18("4","7","6","3","7","2","1") = "6"
    & skf18("4","7","6","3","7","3","1") = "6"
    & skf18("4","7","6","3","7","4","1") = "6"
    & skf18("4","7","6","3","7","5","1") = "6"
    & skf18("4","7","6","3","7","6","1") = "6"
    & skf18("4","7","6","3","7","7","1") = "6"
    & skf18("4","7","6","3","7","8","1") = "7"
    & skf18("4","7","6","3","7","9","1") = "8"
    & skf18("4","7","6","3","7","10","1") = "9"
    & skf18("4","7","6","3","8","1","1") = "7"
    & skf18("4","7","6","3","8","2","1") = "7"
    & skf18("4","7","6","3","8","3","1") = "7"
    & skf18("4","7","6","3","8","4","1") = "7"
    & skf18("4","7","6","3","8","5","1") = "7"
    & skf18("4","7","6","3","8","6","1") = "7"
    & skf18("4","7","6","3","8","7","1") = "7"
    & skf18("4","7","6","3","8","8","1") = "7"
    & skf18("4","7","6","3","8","9","1") = "8"
    & skf18("4","7","6","3","8","10","1") = "9"
    & skf18("4","7","6","3","9","1","1") = "8"
    & skf18("4","7","6","3","9","2","1") = "8"
    & skf18("4","7","6","3","9","3","1") = "8"
    & skf18("4","7","6","3","9","4","1") = "8"
    & skf18("4","7","6","3","9","5","1") = "8"
    & skf18("4","7","6","3","9","6","1") = "8"
    & skf18("4","7","6","3","9","7","1") = "8"
    & skf18("4","7","6","3","9","8","1") = "8"
    & skf18("4","7","6","3","9","9","1") = "8"
    & skf18("4","7","6","3","9","10","1") = "9"
    & skf18("4","7","6","3","10","1","1") = "9"
    & skf18("4","7","6","3","10","2","1") = "9"
    & skf18("4","7","6","3","10","3","1") = "9"
    & skf18("4","7","6","3","10","4","1") = "9"
    & skf18("4","7","6","3","10","5","1") = "9"
    & skf18("4","7","6","3","10","6","1") = "9"
    & skf18("4","7","6","3","10","7","1") = "9"
    & skf18("4","7","6","3","10","8","1") = "9"
    & skf18("4","7","6","3","10","9","1") = "9"
    & skf18("4","7","6","3","10","10","1") = "9"
    & skf18("4","7","6","4","1","1","1") = "6"
    & skf18("4","7","6","4","1","2","1") = "6"
    & skf18("4","7","6","4","1","3","1") = "6"
    & skf18("4","7","6","4","1","4","1") = "6"
    & skf18("4","7","6","4","1","5","1") = "6"
    & skf18("4","7","6","4","1","6","1") = "6"
    & skf18("4","7","6","4","1","7","1") = "6"
    & skf18("4","7","6","4","1","8","1") = "7"
    & skf18("4","7","6","4","1","9","1") = "8"
    & skf18("4","7","6","4","1","10","1") = "9"
    & skf18("4","7","6","4","2","1","1") = "6"
    & skf18("4","7","6","4","2","2","1") = "6"
    & skf18("4","7","6","4","2","3","1") = "6"
    & skf18("4","7","6","4","2","4","1") = "6"
    & skf18("4","7","6","4","2","5","1") = "6"
    & skf18("4","7","6","4","2","6","1") = "6"
    & skf18("4","7","6","4","2","7","1") = "6"
    & skf18("4","7","6","4","2","8","1") = "7"
    & skf18("4","7","6","4","2","9","1") = "8"
    & skf18("4","7","6","4","2","10","1") = "9"
    & skf18("4","7","6","4","3","1","1") = "6"
    & skf18("4","7","6","4","3","2","1") = "6"
    & skf18("4","7","6","4","3","3","1") = "6"
    & skf18("4","7","6","4","3","4","1") = "6"
    & skf18("4","7","6","4","3","5","1") = "6"
    & skf18("4","7","6","4","3","6","1") = "6"
    & skf18("4","7","6","4","3","7","1") = "6"
    & skf18("4","7","6","4","3","8","1") = "7"
    & skf18("4","7","6","4","3","9","1") = "8"
    & skf18("4","7","6","4","3","10","1") = "9"
    & skf18("4","7","6","4","4","1","1") = "6"
    & skf18("4","7","6","4","4","2","1") = "6"
    & skf18("4","7","6","4","4","3","1") = "6"
    & skf18("4","7","6","4","4","4","1") = "6"
    & skf18("4","7","6","4","4","5","1") = "6"
    & skf18("4","7","6","4","4","6","1") = "6"
    & skf18("4","7","6","4","4","7","1") = "6"
    & skf18("4","7","6","4","4","8","1") = "7"
    & skf18("4","7","6","4","4","9","1") = "8"
    & skf18("4","7","6","4","4","10","1") = "9"
    & skf18("4","7","6","4","5","1","1") = "6"
    & skf18("4","7","6","4","5","2","1") = "6"
    & skf18("4","7","6","4","5","3","1") = "6"
    & skf18("4","7","6","4","5","4","1") = "6"
    & skf18("4","7","6","4","5","5","1") = "6"
    & skf18("4","7","6","4","5","6","1") = "6"
    & skf18("4","7","6","4","5","7","1") = "6"
    & skf18("4","7","6","4","5","8","1") = "7"
    & skf18("4","7","6","4","5","9","1") = "8"
    & skf18("4","7","6","4","5","10","1") = "9"
    & skf18("4","7","6","4","6","1","1") = "6"
    & skf18("4","7","6","4","6","2","1") = "6"
    & skf18("4","7","6","4","6","3","1") = "6"
    & skf18("4","7","6","4","6","4","1") = "6"
    & skf18("4","7","6","4","6","5","1") = "6"
    & skf18("4","7","6","4","6","6","1") = "6"
    & skf18("4","7","6","4","6","7","1") = "6"
    & skf18("4","7","6","4","6","8","1") = "7"
    & skf18("4","7","6","4","6","9","1") = "8"
    & skf18("4","7","6","4","6","10","1") = "9"
    & skf18("4","7","6","4","7","1","1") = "6"
    & skf18("4","7","6","4","7","2","1") = "6"
    & skf18("4","7","6","4","7","3","1") = "6"
    & skf18("4","7","6","4","7","4","1") = "6"
    & skf18("4","7","6","4","7","5","1") = "6"
    & skf18("4","7","6","4","7","6","1") = "6"
    & skf18("4","7","6","4","7","7","1") = "6"
    & skf18("4","7","6","4","7","8","1") = "7"
    & skf18("4","7","6","4","7","9","1") = "8"
    & skf18("4","7","6","4","7","10","1") = "9"
    & skf18("4","7","6","4","8","1","1") = "7"
    & skf18("4","7","6","4","8","2","1") = "7"
    & skf18("4","7","6","4","8","3","1") = "7"
    & skf18("4","7","6","4","8","4","1") = "7"
    & skf18("4","7","6","4","8","5","1") = "7"
    & skf18("4","7","6","4","8","6","1") = "7"
    & skf18("4","7","6","4","8","7","1") = "7"
    & skf18("4","7","6","4","8","8","1") = "7"
    & skf18("4","7","6","4","8","9","1") = "8"
    & skf18("4","7","6","4","8","10","1") = "9"
    & skf18("4","7","6","4","9","1","1") = "8"
    & skf18("4","7","6","4","9","2","1") = "8"
    & skf18("4","7","6","4","9","3","1") = "8"
    & skf18("4","7","6","4","9","4","1") = "8"
    & skf18("4","7","6","4","9","5","1") = "8"
    & skf18("4","7","6","4","9","6","1") = "8"
    & skf18("4","7","6","4","9","7","1") = "8"
    & skf18("4","7","6","4","9","8","1") = "8"
    & skf18("4","7","6","4","9","9","1") = "8"
    & skf18("4","7","6","4","9","10","1") = "9"
    & skf18("4","7","6","4","10","1","1") = "9"
    & skf18("4","7","6","4","10","2","1") = "9"
    & skf18("4","7","6","4","10","3","1") = "9"
    & skf18("4","7","6","4","10","4","1") = "9"
    & skf18("4","7","6","4","10","5","1") = "9"
    & skf18("4","7","6","4","10","6","1") = "9"
    & skf18("4","7","6","4","10","7","1") = "9"
    & skf18("4","7","6","4","10","8","1") = "9"
    & skf18("4","7","6","4","10","9","1") = "9"
    & skf18("4","7","6","4","10","10","1") = "9"
    & skf18("4","7","6","5","1","1","1") = "6"
    & skf18("4","7","6","5","1","2","1") = "6"
    & skf18("4","7","6","5","1","3","1") = "6"
    & skf18("4","7","6","5","1","4","1") = "6"
    & skf18("4","7","6","5","1","5","1") = "6"
    & skf18("4","7","6","5","1","6","1") = "6"
    & skf18("4","7","6","5","1","7","1") = "6"
    & skf18("4","7","6","5","1","8","1") = "7"
    & skf18("4","7","6","5","1","9","1") = "8"
    & skf18("4","7","6","5","1","10","1") = "9"
    & skf18("4","7","6","5","2","1","1") = "6"
    & skf18("4","7","6","5","2","2","1") = "6"
    & skf18("4","7","6","5","2","3","1") = "6"
    & skf18("4","7","6","5","2","4","1") = "6"
    & skf18("4","7","6","5","2","5","1") = "6"
    & skf18("4","7","6","5","2","6","1") = "6"
    & skf18("4","7","6","5","2","7","1") = "6"
    & skf18("4","7","6","5","2","8","1") = "7"
    & skf18("4","7","6","5","2","9","1") = "8"
    & skf18("4","7","6","5","2","10","1") = "9"
    & skf18("4","7","6","5","3","1","1") = "6"
    & skf18("4","7","6","5","3","2","1") = "6"
    & skf18("4","7","6","5","3","3","1") = "6"
    & skf18("4","7","6","5","3","4","1") = "6"
    & skf18("4","7","6","5","3","5","1") = "6"
    & skf18("4","7","6","5","3","6","1") = "6"
    & skf18("4","7","6","5","3","7","1") = "6"
    & skf18("4","7","6","5","3","8","1") = "7"
    & skf18("4","7","6","5","3","9","1") = "8"
    & skf18("4","7","6","5","3","10","1") = "9"
    & skf18("4","7","6","5","4","1","1") = "6"
    & skf18("4","7","6","5","4","2","1") = "6"
    & skf18("4","7","6","5","4","3","1") = "6"
    & skf18("4","7","6","5","4","4","1") = "6"
    & skf18("4","7","6","5","4","5","1") = "6"
    & skf18("4","7","6","5","4","6","1") = "6"
    & skf18("4","7","6","5","4","7","1") = "6"
    & skf18("4","7","6","5","4","8","1") = "7"
    & skf18("4","7","6","5","4","9","1") = "8"
    & skf18("4","7","6","5","4","10","1") = "9"
    & skf18("4","7","6","5","5","1","1") = "6"
    & skf18("4","7","6","5","5","2","1") = "6"
    & skf18("4","7","6","5","5","3","1") = "6"
    & skf18("4","7","6","5","5","4","1") = "6"
    & skf18("4","7","6","5","5","5","1") = "6"
    & skf18("4","7","6","5","5","6","1") = "6"
    & skf18("4","7","6","5","5","7","1") = "6"
    & skf18("4","7","6","5","5","8","1") = "7"
    & skf18("4","7","6","5","5","9","1") = "8"
    & skf18("4","7","6","5","5","10","1") = "9"
    & skf18("4","7","6","5","6","1","1") = "6"
    & skf18("4","7","6","5","6","2","1") = "6"
    & skf18("4","7","6","5","6","3","1") = "6"
    & skf18("4","7","6","5","6","4","1") = "6"
    & skf18("4","7","6","5","6","5","1") = "6"
    & skf18("4","7","6","5","6","6","1") = "6"
    & skf18("4","7","6","5","6","7","1") = "6"
    & skf18("4","7","6","5","6","8","1") = "7"
    & skf18("4","7","6","5","6","9","1") = "8"
    & skf18("4","7","6","5","6","10","1") = "9"
    & skf18("4","7","6","5","7","1","1") = "6"
    & skf18("4","7","6","5","7","2","1") = "6"
    & skf18("4","7","6","5","7","3","1") = "6"
    & skf18("4","7","6","5","7","4","1") = "6"
    & skf18("4","7","6","5","7","5","1") = "6"
    & skf18("4","7","6","5","7","6","1") = "6"
    & skf18("4","7","6","5","7","7","1") = "6"
    & skf18("4","7","6","5","7","8","1") = "7"
    & skf18("4","7","6","5","7","9","1") = "8"
    & skf18("4","7","6","5","7","10","1") = "9"
    & skf18("4","7","6","5","8","1","1") = "7"
    & skf18("4","7","6","5","8","2","1") = "7"
    & skf18("4","7","6","5","8","3","1") = "7"
    & skf18("4","7","6","5","8","4","1") = "7"
    & skf18("4","7","6","5","8","5","1") = "7"
    & skf18("4","7","6","5","8","6","1") = "7"
    & skf18("4","7","6","5","8","7","1") = "7"
    & skf18("4","7","6","5","8","8","1") = "7"
    & skf18("4","7","6","5","8","9","1") = "8"
    & skf18("4","7","6","5","8","10","1") = "9"
    & skf18("4","7","6","5","9","1","1") = "8"
    & skf18("4","7","6","5","9","2","1") = "8"
    & skf18("4","7","6","5","9","3","1") = "8"
    & skf18("4","7","6","5","9","4","1") = "8"
    & skf18("4","7","6","5","9","5","1") = "8"
    & skf18("4","7","6","5","9","6","1") = "8"
    & skf18("4","7","6","5","9","7","1") = "8"
    & skf18("4","7","6","5","9","8","1") = "8"
    & skf18("4","7","6","5","9","9","1") = "8"
    & skf18("4","7","6","5","9","10","1") = "9"
    & skf18("4","7","6","5","10","1","1") = "9"
    & skf18("4","7","6","5","10","2","1") = "9"
    & skf18("4","7","6","5","10","3","1") = "9"
    & skf18("4","7","6","5","10","4","1") = "9"
    & skf18("4","7","6","5","10","5","1") = "9"
    & skf18("4","7","6","5","10","6","1") = "9"
    & skf18("4","7","6","5","10","7","1") = "9"
    & skf18("4","7","6","5","10","8","1") = "9"
    & skf18("4","7","6","5","10","9","1") = "9"
    & skf18("4","7","6","5","10","10","1") = "9"
    & skf18("4","7","6","6","1","1","1") = "6"
    & skf18("4","7","6","6","1","2","1") = "6"
    & skf18("4","7","6","6","1","3","1") = "6"
    & skf18("4","7","6","6","1","4","1") = "6"
    & skf18("4","7","6","6","1","5","1") = "6"
    & skf18("4","7","6","6","1","6","1") = "6"
    & skf18("4","7","6","6","1","7","1") = "6"
    & skf18("4","7","6","6","1","8","1") = "7"
    & skf18("4","7","6","6","1","9","1") = "8"
    & skf18("4","7","6","6","1","10","1") = "9"
    & skf18("4","7","6","6","2","1","1") = "6"
    & skf18("4","7","6","6","2","2","1") = "6"
    & skf18("4","7","6","6","2","3","1") = "6"
    & skf18("4","7","6","6","2","4","1") = "6"
    & skf18("4","7","6","6","2","5","1") = "6"
    & skf18("4","7","6","6","2","6","1") = "6"
    & skf18("4","7","6","6","2","7","1") = "6"
    & skf18("4","7","6","6","2","8","1") = "7"
    & skf18("4","7","6","6","2","9","1") = "8"
    & skf18("4","7","6","6","2","10","1") = "9"
    & skf18("4","7","6","6","3","1","1") = "6"
    & skf18("4","7","6","6","3","2","1") = "6"
    & skf18("4","7","6","6","3","3","1") = "6"
    & skf18("4","7","6","6","3","4","1") = "6"
    & skf18("4","7","6","6","3","5","1") = "6"
    & skf18("4","7","6","6","3","6","1") = "6"
    & skf18("4","7","6","6","3","7","1") = "6"
    & skf18("4","7","6","6","3","8","1") = "7"
    & skf18("4","7","6","6","3","9","1") = "8"
    & skf18("4","7","6","6","3","10","1") = "9"
    & skf18("4","7","6","6","4","1","1") = "6"
    & skf18("4","7","6","6","4","2","1") = "6"
    & skf18("4","7","6","6","4","3","1") = "6"
    & skf18("4","7","6","6","4","4","1") = "6"
    & skf18("4","7","6","6","4","5","1") = "6"
    & skf18("4","7","6","6","4","6","1") = "6"
    & skf18("4","7","6","6","4","7","1") = "6"
    & skf18("4","7","6","6","4","8","1") = "7"
    & skf18("4","7","6","6","4","9","1") = "8"
    & skf18("4","7","6","6","4","10","1") = "9"
    & skf18("4","7","6","6","5","1","1") = "6"
    & skf18("4","7","6","6","5","2","1") = "6"
    & skf18("4","7","6","6","5","3","1") = "6"
    & skf18("4","7","6","6","5","4","1") = "6"
    & skf18("4","7","6","6","5","5","1") = "6"
    & skf18("4","7","6","6","5","6","1") = "6"
    & skf18("4","7","6","6","5","7","1") = "6"
    & skf18("4","7","6","6","5","8","1") = "7"
    & skf18("4","7","6","6","5","9","1") = "8"
    & skf18("4","7","6","6","5","10","1") = "9"
    & skf18("4","7","6","6","6","1","1") = "6"
    & skf18("4","7","6","6","6","2","1") = "6"
    & skf18("4","7","6","6","6","3","1") = "6"
    & skf18("4","7","6","6","6","4","1") = "6"
    & skf18("4","7","6","6","6","5","1") = "6"
    & skf18("4","7","6","6","6","6","1") = "6"
    & skf18("4","7","6","6","6","7","1") = "6"
    & skf18("4","7","6","6","6","8","1") = "7"
    & skf18("4","7","6","6","6","9","1") = "8"
    & skf18("4","7","6","6","6","10","1") = "9"
    & skf18("4","7","6","6","7","1","1") = "6"
    & skf18("4","7","6","6","7","2","1") = "6"
    & skf18("4","7","6","6","7","3","1") = "6"
    & skf18("4","7","6","6","7","4","1") = "6"
    & skf18("4","7","6","6","7","5","1") = "6"
    & skf18("4","7","6","6","7","6","1") = "6"
    & skf18("4","7","6","6","7","7","1") = "6"
    & skf18("4","7","6","6","7","8","1") = "7"
    & skf18("4","7","6","6","7","9","1") = "8"
    & skf18("4","7","6","6","7","10","1") = "9"
    & skf18("4","7","6","6","8","1","1") = "7"
    & skf18("4","7","6","6","8","2","1") = "7"
    & skf18("4","7","6","6","8","3","1") = "7"
    & skf18("4","7","6","6","8","4","1") = "7"
    & skf18("4","7","6","6","8","5","1") = "7"
    & skf18("4","7","6","6","8","6","1") = "7"
    & skf18("4","7","6","6","8","7","1") = "7"
    & skf18("4","7","6","6","8","8","1") = "7"
    & skf18("4","7","6","6","8","9","1") = "8"
    & skf18("4","7","6","6","8","10","1") = "9"
    & skf18("4","7","6","6","9","1","1") = "8"
    & skf18("4","7","6","6","9","2","1") = "8"
    & skf18("4","7","6","6","9","3","1") = "8"
    & skf18("4","7","6","6","9","4","1") = "8"
    & skf18("4","7","6","6","9","5","1") = "8"
    & skf18("4","7","6","6","9","6","1") = "8"
    & skf18("4","7","6","6","9","7","1") = "8"
    & skf18("4","7","6","6","9","8","1") = "8"
    & skf18("4","7","6","6","9","9","1") = "8"
    & skf18("4","7","6","6","9","10","1") = "9"
    & skf18("4","7","6","6","10","1","1") = "9"
    & skf18("4","7","6","6","10","2","1") = "9"
    & skf18("4","7","6","6","10","3","1") = "9"
    & skf18("4","7","6","6","10","4","1") = "9"
    & skf18("4","7","6","6","10","5","1") = "9"
    & skf18("4","7","6","6","10","6","1") = "9"
    & skf18("4","7","6","6","10","7","1") = "9"
    & skf18("4","7","6","6","10","8","1") = "9"
    & skf18("4","7","6","6","10","9","1") = "9"
    & skf18("4","7","6","6","10","10","1") = "9"
    & skf18("4","7","6","7","1","1","1") = "6"
    & skf18("4","7","6","7","1","2","1") = "6"
    & skf18("4","7","6","7","1","3","1") = "6"
    & skf18("4","7","6","7","1","4","1") = "6"
    & skf18("4","7","6","7","1","5","1") = "6"
    & skf18("4","7","6","7","1","6","1") = "6"
    & skf18("4","7","6","7","1","7","1") = "6"
    & skf18("4","7","6","7","1","8","1") = "7"
    & skf18("4","7","6","7","1","9","1") = "8"
    & skf18("4","7","6","7","1","10","1") = "9"
    & skf18("4","7","6","7","2","1","1") = "6"
    & skf18("4","7","6","7","2","2","1") = "6"
    & skf18("4","7","6","7","2","3","1") = "6"
    & skf18("4","7","6","7","2","4","1") = "6"
    & skf18("4","7","6","7","2","5","1") = "6"
    & skf18("4","7","6","7","2","6","1") = "6"
    & skf18("4","7","6","7","2","7","1") = "6"
    & skf18("4","7","6","7","2","8","1") = "7"
    & skf18("4","7","6","7","2","9","1") = "8"
    & skf18("4","7","6","7","2","10","1") = "9"
    & skf18("4","7","6","7","3","1","1") = "6"
    & skf18("4","7","6","7","3","2","1") = "6"
    & skf18("4","7","6","7","3","3","1") = "6"
    & skf18("4","7","6","7","3","4","1") = "6"
    & skf18("4","7","6","7","3","5","1") = "6"
    & skf18("4","7","6","7","3","6","1") = "6"
    & skf18("4","7","6","7","3","7","1") = "6"
    & skf18("4","7","6","7","3","8","1") = "7"
    & skf18("4","7","6","7","3","9","1") = "8"
    & skf18("4","7","6","7","3","10","1") = "9"
    & skf18("4","7","6","7","4","1","1") = "6"
    & skf18("4","7","6","7","4","2","1") = "6"
    & skf18("4","7","6","7","4","3","1") = "6"
    & skf18("4","7","6","7","4","4","1") = "6"
    & skf18("4","7","6","7","4","5","1") = "6"
    & skf18("4","7","6","7","4","6","1") = "6"
    & skf18("4","7","6","7","4","7","1") = "6"
    & skf18("4","7","6","7","4","8","1") = "7"
    & skf18("4","7","6","7","4","9","1") = "8"
    & skf18("4","7","6","7","4","10","1") = "9"
    & skf18("4","7","6","7","5","1","1") = "6"
    & skf18("4","7","6","7","5","2","1") = "6"
    & skf18("4","7","6","7","5","3","1") = "6"
    & skf18("4","7","6","7","5","4","1") = "6"
    & skf18("4","7","6","7","5","5","1") = "6"
    & skf18("4","7","6","7","5","6","1") = "6"
    & skf18("4","7","6","7","5","7","1") = "6"
    & skf18("4","7","6","7","5","8","1") = "7"
    & skf18("4","7","6","7","5","9","1") = "8"
    & skf18("4","7","6","7","5","10","1") = "9"
    & skf18("4","7","6","7","6","1","1") = "6"
    & skf18("4","7","6","7","6","2","1") = "6"
    & skf18("4","7","6","7","6","3","1") = "6"
    & skf18("4","7","6","7","6","4","1") = "6"
    & skf18("4","7","6","7","6","5","1") = "6"
    & skf18("4","7","6","7","6","6","1") = "6"
    & skf18("4","7","6","7","6","7","1") = "6"
    & skf18("4","7","6","7","6","8","1") = "7"
    & skf18("4","7","6","7","6","9","1") = "8"
    & skf18("4","7","6","7","6","10","1") = "9"
    & skf18("4","7","6","7","7","1","1") = "6"
    & skf18("4","7","6","7","7","2","1") = "6"
    & skf18("4","7","6","7","7","3","1") = "6"
    & skf18("4","7","6","7","7","4","1") = "6"
    & skf18("4","7","6","7","7","5","1") = "6"
    & skf18("4","7","6","7","7","6","1") = "6"
    & skf18("4","7","6","7","7","7","1") = "6"
    & skf18("4","7","6","7","7","8","1") = "7"
    & skf18("4","7","6","7","7","9","1") = "8"
    & skf18("4","7","6","7","7","10","1") = "9"
    & skf18("4","7","6","7","8","1","1") = "7"
    & skf18("4","7","6","7","8","2","1") = "7"
    & skf18("4","7","6","7","8","3","1") = "7"
    & skf18("4","7","6","7","8","4","1") = "7"
    & skf18("4","7","6","7","8","5","1") = "7"
    & skf18("4","7","6","7","8","6","1") = "7"
    & skf18("4","7","6","7","8","7","1") = "7"
    & skf18("4","7","6","7","8","8","1") = "7"
    & skf18("4","7","6","7","8","9","1") = "8"
    & skf18("4","7","6","7","8","10","1") = "9"
    & skf18("4","7","6","7","9","1","1") = "8"
    & skf18("4","7","6","7","9","2","1") = "8"
    & skf18("4","7","6","7","9","3","1") = "8"
    & skf18("4","7","6","7","9","4","1") = "8"
    & skf18("4","7","6","7","9","5","1") = "8"
    & skf18("4","7","6","7","9","6","1") = "8"
    & skf18("4","7","6","7","9","7","1") = "8"
    & skf18("4","7","6","7","9","8","1") = "8"
    & skf18("4","7","6","7","9","9","1") = "8"
    & skf18("4","7","6","7","9","10","1") = "9"
    & skf18("4","7","6","7","10","1","1") = "9"
    & skf18("4","7","6","7","10","2","1") = "9"
    & skf18("4","7","6","7","10","3","1") = "9"
    & skf18("4","7","6","7","10","4","1") = "9"
    & skf18("4","7","6","7","10","5","1") = "9"
    & skf18("4","7","6","7","10","6","1") = "9"
    & skf18("4","7","6","7","10","7","1") = "9"
    & skf18("4","7","6","7","10","8","1") = "9"
    & skf18("4","7","6","7","10","9","1") = "9"
    & skf18("4","7","6","7","10","10","1") = "9"
    & skf18("4","7","6","8","1","1","1") = "7"
    & skf18("4","7","6","8","1","2","1") = "7"
    & skf18("4","7","6","8","1","3","1") = "7"
    & skf18("4","7","6","8","1","4","1") = "7"
    & skf18("4","7","6","8","1","5","1") = "7"
    & skf18("4","7","6","8","1","6","1") = "7"
    & skf18("4","7","6","8","1","7","1") = "7"
    & skf18("4","7","6","8","1","8","1") = "7"
    & skf18("4","7","6","8","1","9","1") = "8"
    & skf18("4","7","6","8","1","10","1") = "9"
    & skf18("4","7","6","8","2","1","1") = "7"
    & skf18("4","7","6","8","2","2","1") = "7"
    & skf18("4","7","6","8","2","3","1") = "7"
    & skf18("4","7","6","8","2","4","1") = "7"
    & skf18("4","7","6","8","2","5","1") = "7"
    & skf18("4","7","6","8","2","6","1") = "7"
    & skf18("4","7","6","8","2","7","1") = "7"
    & skf18("4","7","6","8","2","8","1") = "7"
    & skf18("4","7","6","8","2","9","1") = "8"
    & skf18("4","7","6","8","2","10","1") = "9"
    & skf18("4","7","6","8","3","1","1") = "7"
    & skf18("4","7","6","8","3","2","1") = "7"
    & skf18("4","7","6","8","3","3","1") = "7"
    & skf18("4","7","6","8","3","4","1") = "7"
    & skf18("4","7","6","8","3","5","1") = "7"
    & skf18("4","7","6","8","3","6","1") = "7"
    & skf18("4","7","6","8","3","7","1") = "7"
    & skf18("4","7","6","8","3","8","1") = "7"
    & skf18("4","7","6","8","3","9","1") = "8"
    & skf18("4","7","6","8","3","10","1") = "9"
    & skf18("4","7","6","8","4","1","1") = "7"
    & skf18("4","7","6","8","4","2","1") = "7"
    & skf18("4","7","6","8","4","3","1") = "7"
    & skf18("4","7","6","8","4","4","1") = "7"
    & skf18("4","7","6","8","4","5","1") = "7"
    & skf18("4","7","6","8","4","6","1") = "7"
    & skf18("4","7","6","8","4","7","1") = "7"
    & skf18("4","7","6","8","4","8","1") = "7"
    & skf18("4","7","6","8","4","9","1") = "8"
    & skf18("4","7","6","8","4","10","1") = "9"
    & skf18("4","7","6","8","5","1","1") = "7"
    & skf18("4","7","6","8","5","2","1") = "7"
    & skf18("4","7","6","8","5","3","1") = "7"
    & skf18("4","7","6","8","5","4","1") = "7"
    & skf18("4","7","6","8","5","5","1") = "7"
    & skf18("4","7","6","8","5","6","1") = "7"
    & skf18("4","7","6","8","5","7","1") = "7"
    & skf18("4","7","6","8","5","8","1") = "7"
    & skf18("4","7","6","8","5","9","1") = "8"
    & skf18("4","7","6","8","5","10","1") = "9"
    & skf18("4","7","6","8","6","1","1") = "7"
    & skf18("4","7","6","8","6","2","1") = "7"
    & skf18("4","7","6","8","6","3","1") = "7"
    & skf18("4","7","6","8","6","4","1") = "7"
    & skf18("4","7","6","8","6","5","1") = "7"
    & skf18("4","7","6","8","6","6","1") = "7"
    & skf18("4","7","6","8","6","7","1") = "7"
    & skf18("4","7","6","8","6","8","1") = "7"
    & skf18("4","7","6","8","6","9","1") = "8"
    & skf18("4","7","6","8","6","10","1") = "9"
    & skf18("4","7","6","8","7","1","1") = "7"
    & skf18("4","7","6","8","7","2","1") = "7"
    & skf18("4","7","6","8","7","3","1") = "7"
    & skf18("4","7","6","8","7","4","1") = "7"
    & skf18("4","7","6","8","7","5","1") = "7"
    & skf18("4","7","6","8","7","6","1") = "7"
    & skf18("4","7","6","8","7","7","1") = "7"
    & skf18("4","7","6","8","7","8","1") = "7"
    & skf18("4","7","6","8","7","9","1") = "8"
    & skf18("4","7","6","8","7","10","1") = "9"
    & skf18("4","7","6","8","8","1","1") = "7"
    & skf18("4","7","6","8","8","2","1") = "7"
    & skf18("4","7","6","8","8","3","1") = "7"
    & skf18("4","7","6","8","8","4","1") = "7"
    & skf18("4","7","6","8","8","5","1") = "7"
    & skf18("4","7","6","8","8","6","1") = "7"
    & skf18("4","7","6","8","8","7","1") = "7"
    & skf18("4","7","6","8","8","8","1") = "7"
    & skf18("4","7","6","8","8","9","1") = "8"
    & skf18("4","7","6","8","8","10","1") = "9"
    & skf18("4","7","6","8","9","1","1") = "8"
    & skf18("4","7","6","8","9","2","1") = "8"
    & skf18("4","7","6","8","9","3","1") = "8"
    & skf18("4","7","6","8","9","4","1") = "8"
    & skf18("4","7","6","8","9","5","1") = "8"
    & skf18("4","7","6","8","9","6","1") = "8"
    & skf18("4","7","6","8","9","7","1") = "8"
    & skf18("4","7","6","8","9","8","1") = "8"
    & skf18("4","7","6","8","9","9","1") = "8"
    & skf18("4","7","6","8","9","10","1") = "9"
    & skf18("4","7","6","8","10","1","1") = "9"
    & skf18("4","7","6","8","10","2","1") = "9"
    & skf18("4","7","6","8","10","3","1") = "9"
    & skf18("4","7","6","8","10","4","1") = "9"
    & skf18("4","7","6","8","10","5","1") = "9"
    & skf18("4","7","6","8","10","6","1") = "9"
    & skf18("4","7","6","8","10","7","1") = "9"
    & skf18("4","7","6","8","10","8","1") = "9"
    & skf18("4","7","6","8","10","9","1") = "9"
    & skf18("4","7","6","8","10","10","1") = "9"
    & skf18("4","7","6","9","1","1","1") = "8"
    & skf18("4","7","6","9","1","2","1") = "8"
    & skf18("4","7","6","9","1","3","1") = "8"
    & skf18("4","7","6","9","1","4","1") = "8"
    & skf18("4","7","6","9","1","5","1") = "8"
    & skf18("4","7","6","9","1","6","1") = "8"
    & skf18("4","7","6","9","1","7","1") = "8"
    & skf18("4","7","6","9","1","8","1") = "8"
    & skf18("4","7","6","9","1","9","1") = "8"
    & skf18("4","7","6","9","1","10","1") = "9"
    & skf18("4","7","6","9","2","1","1") = "8"
    & skf18("4","7","6","9","2","2","1") = "8"
    & skf18("4","7","6","9","2","3","1") = "8"
    & skf18("4","7","6","9","2","4","1") = "8"
    & skf18("4","7","6","9","2","5","1") = "8"
    & skf18("4","7","6","9","2","6","1") = "8"
    & skf18("4","7","6","9","2","7","1") = "8"
    & skf18("4","7","6","9","2","8","1") = "8"
    & skf18("4","7","6","9","2","9","1") = "8"
    & skf18("4","7","6","9","2","10","1") = "9"
    & skf18("4","7","6","9","3","1","1") = "8"
    & skf18("4","7","6","9","3","2","1") = "8"
    & skf18("4","7","6","9","3","3","1") = "8"
    & skf18("4","7","6","9","3","4","1") = "8"
    & skf18("4","7","6","9","3","5","1") = "8"
    & skf18("4","7","6","9","3","6","1") = "8"
    & skf18("4","7","6","9","3","7","1") = "8"
    & skf18("4","7","6","9","3","8","1") = "8"
    & skf18("4","7","6","9","3","9","1") = "8"
    & skf18("4","7","6","9","3","10","1") = "9"
    & skf18("4","7","6","9","4","1","1") = "8"
    & skf18("4","7","6","9","4","2","1") = "8"
    & skf18("4","7","6","9","4","3","1") = "8"
    & skf18("4","7","6","9","4","4","1") = "8"
    & skf18("4","7","6","9","4","5","1") = "8"
    & skf18("4","7","6","9","4","6","1") = "8"
    & skf18("4","7","6","9","4","7","1") = "8"
    & skf18("4","7","6","9","4","8","1") = "8"
    & skf18("4","7","6","9","4","9","1") = "8"
    & skf18("4","7","6","9","4","10","1") = "9"
    & skf18("4","7","6","9","5","1","1") = "8"
    & skf18("4","7","6","9","5","2","1") = "8"
    & skf18("4","7","6","9","5","3","1") = "8"
    & skf18("4","7","6","9","5","4","1") = "8"
    & skf18("4","7","6","9","5","5","1") = "8"
    & skf18("4","7","6","9","5","6","1") = "8"
    & skf18("4","7","6","9","5","7","1") = "8"
    & skf18("4","7","6","9","5","8","1") = "8"
    & skf18("4","7","6","9","5","9","1") = "8"
    & skf18("4","7","6","9","5","10","1") = "9"
    & skf18("4","7","6","9","6","1","1") = "8"
    & skf18("4","7","6","9","6","2","1") = "8"
    & skf18("4","7","6","9","6","3","1") = "8"
    & skf18("4","7","6","9","6","4","1") = "8"
    & skf18("4","7","6","9","6","5","1") = "8"
    & skf18("4","7","6","9","6","6","1") = "8"
    & skf18("4","7","6","9","6","7","1") = "8"
    & skf18("4","7","6","9","6","8","1") = "8"
    & skf18("4","7","6","9","6","9","1") = "8"
    & skf18("4","7","6","9","6","10","1") = "9"
    & skf18("4","7","6","9","7","1","1") = "8"
    & skf18("4","7","6","9","7","2","1") = "8"
    & skf18("4","7","6","9","7","3","1") = "8"
    & skf18("4","7","6","9","7","4","1") = "8"
    & skf18("4","7","6","9","7","5","1") = "8"
    & skf18("4","7","6","9","7","6","1") = "8"
    & skf18("4","7","6","9","7","7","1") = "8"
    & skf18("4","7","6","9","7","8","1") = "8"
    & skf18("4","7","6","9","7","9","1") = "8"
    & skf18("4","7","6","9","7","10","1") = "9"
    & skf18("4","7","6","9","8","1","1") = "8"
    & skf18("4","7","6","9","8","2","1") = "8"
    & skf18("4","7","6","9","8","3","1") = "8"
    & skf18("4","7","6","9","8","4","1") = "8"
    & skf18("4","7","6","9","8","5","1") = "8"
    & skf18("4","7","6","9","8","6","1") = "8"
    & skf18("4","7","6","9","8","7","1") = "8"
    & skf18("4","7","6","9","8","8","1") = "8"
    & skf18("4","7","6","9","8","9","1") = "8"
    & skf18("4","7","6","9","8","10","1") = "9"
    & skf18("4","7","6","9","9","1","1") = "8"
    & skf18("4","7","6","9","9","2","1") = "8"
    & skf18("4","7","6","9","9","3","1") = "8"
    & skf18("4","7","6","9","9","4","1") = "8"
    & skf18("4","7","6","9","9","5","1") = "8"
    & skf18("4","7","6","9","9","6","1") = "8"
    & skf18("4","7","6","9","9","7","1") = "8"
    & skf18("4","7","6","9","9","8","1") = "8"
    & skf18("4","7","6","9","9","9","1") = "8"
    & skf18("4","7","6","9","9","10","1") = "9"
    & skf18("4","7","6","9","10","1","1") = "9"
    & skf18("4","7","6","9","10","2","1") = "9"
    & skf18("4","7","6","9","10","3","1") = "9"
    & skf18("4","7","6","9","10","4","1") = "9"
    & skf18("4","7","6","9","10","5","1") = "9"
    & skf18("4","7","6","9","10","6","1") = "9"
    & skf18("4","7","6","9","10","7","1") = "9"
    & skf18("4","7","6","9","10","8","1") = "9"
    & skf18("4","7","6","9","10","9","1") = "9"
    & skf18("4","7","6","9","10","10","1") = "9"
    & skf18("4","7","6","10","1","1","1") = "9"
    & skf18("4","7","6","10","1","2","1") = "9"
    & skf18("4","7","6","10","1","3","1") = "9"
    & skf18("4","7","6","10","1","4","1") = "9"
    & skf18("4","7","6","10","1","5","1") = "9"
    & skf18("4","7","6","10","1","6","1") = "9"
    & skf18("4","7","6","10","1","7","1") = "9"
    & skf18("4","7","6","10","1","8","1") = "9"
    & skf18("4","7","6","10","1","9","1") = "9"
    & skf18("4","7","6","10","1","10","1") = "9"
    & skf18("4","7","6","10","2","1","1") = "9"
    & skf18("4","7","6","10","2","2","1") = "9"
    & skf18("4","7","6","10","2","3","1") = "9"
    & skf18("4","7","6","10","2","4","1") = "9"
    & skf18("4","7","6","10","2","5","1") = "9"
    & skf18("4","7","6","10","2","6","1") = "9"
    & skf18("4","7","6","10","2","7","1") = "9"
    & skf18("4","7","6","10","2","8","1") = "9"
    & skf18("4","7","6","10","2","9","1") = "9"
    & skf18("4","7","6","10","2","10","1") = "9"
    & skf18("4","7","6","10","3","1","1") = "9"
    & skf18("4","7","6","10","3","2","1") = "9"
    & skf18("4","7","6","10","3","3","1") = "9"
    & skf18("4","7","6","10","3","4","1") = "9"
    & skf18("4","7","6","10","3","5","1") = "9"
    & skf18("4","7","6","10","3","6","1") = "9"
    & skf18("4","7","6","10","3","7","1") = "9"
    & skf18("4","7","6","10","3","8","1") = "9"
    & skf18("4","7","6","10","3","9","1") = "9"
    & skf18("4","7","6","10","3","10","1") = "9"
    & skf18("4","7","6","10","4","1","1") = "9"
    & skf18("4","7","6","10","4","2","1") = "9"
    & skf18("4","7","6","10","4","3","1") = "9"
    & skf18("4","7","6","10","4","4","1") = "9"
    & skf18("4","7","6","10","4","5","1") = "9"
    & skf18("4","7","6","10","4","6","1") = "9"
    & skf18("4","7","6","10","4","7","1") = "9"
    & skf18("4","7","6","10","4","8","1") = "9"
    & skf18("4","7","6","10","4","9","1") = "9"
    & skf18("4","7","6","10","4","10","1") = "9"
    & skf18("4","7","6","10","5","1","1") = "9"
    & skf18("4","7","6","10","5","2","1") = "9"
    & skf18("4","7","6","10","5","3","1") = "9"
    & skf18("4","7","6","10","5","4","1") = "9"
    & skf18("4","7","6","10","5","5","1") = "9"
    & skf18("4","7","6","10","5","6","1") = "9"
    & skf18("4","7","6","10","5","7","1") = "9"
    & skf18("4","7","6","10","5","8","1") = "9"
    & skf18("4","7","6","10","5","9","1") = "9"
    & skf18("4","7","6","10","5","10","1") = "9"
    & skf18("4","7","6","10","6","1","1") = "9"
    & skf18("4","7","6","10","6","2","1") = "9"
    & skf18("4","7","6","10","6","3","1") = "9"
    & skf18("4","7","6","10","6","4","1") = "9"
    & skf18("4","7","6","10","6","5","1") = "9"
    & skf18("4","7","6","10","6","6","1") = "9"
    & skf18("4","7","6","10","6","7","1") = "9"
    & skf18("4","7","6","10","6","8","1") = "9"
    & skf18("4","7","6","10","6","9","1") = "9"
    & skf18("4","7","6","10","6","10","1") = "9"
    & skf18("4","7","6","10","7","1","1") = "9"
    & skf18("4","7","6","10","7","2","1") = "9"
    & skf18("4","7","6","10","7","3","1") = "9"
    & skf18("4","7","6","10","7","4","1") = "9"
    & skf18("4","7","6","10","7","5","1") = "9"
    & skf18("4","7","6","10","7","6","1") = "9"
    & skf18("4","7","6","10","7","7","1") = "9"
    & skf18("4","7","6","10","7","8","1") = "9"
    & skf18("4","7","6","10","7","9","1") = "9"
    & skf18("4","7","6","10","7","10","1") = "9"
    & skf18("4","7","6","10","8","1","1") = "9"
    & skf18("4","7","6","10","8","2","1") = "9"
    & skf18("4","7","6","10","8","3","1") = "9"
    & skf18("4","7","6","10","8","4","1") = "9"
    & skf18("4","7","6","10","8","5","1") = "9"
    & skf18("4","7","6","10","8","6","1") = "9"
    & skf18("4","7","6","10","8","7","1") = "9"
    & skf18("4","7","6","10","8","8","1") = "9"
    & skf18("4","7","6","10","8","9","1") = "9"
    & skf18("4","7","6","10","8","10","1") = "9"
    & skf18("4","7","6","10","9","1","1") = "9"
    & skf18("4","7","6","10","9","2","1") = "9"
    & skf18("4","7","6","10","9","3","1") = "9"
    & skf18("4","7","6","10","9","4","1") = "9"
    & skf18("4","7","6","10","9","5","1") = "9"
    & skf18("4","7","6","10","9","6","1") = "9"
    & skf18("4","7","6","10","9","7","1") = "9"
    & skf18("4","7","6","10","9","8","1") = "9"
    & skf18("4","7","6","10","9","9","1") = "9"
    & skf18("4","7","6","10","9","10","1") = "9"
    & skf18("4","7","6","10","10","1","1") = "9"
    & skf18("4","7","6","10","10","2","1") = "9"
    & skf18("4","7","6","10","10","3","1") = "9"
    & skf18("4","7","6","10","10","4","1") = "9"
    & skf18("4","7","6","10","10","5","1") = "9"
    & skf18("4","7","6","10","10","6","1") = "9"
    & skf18("4","7","6","10","10","7","1") = "9"
    & skf18("4","7","6","10","10","8","1") = "9"
    & skf18("4","7","6","10","10","9","1") = "9"
    & skf18("4","7","6","10","10","10","1") = "9"
    & skf18("4","7","7","1","1","1","1") = "6"
    & skf18("4","7","7","1","1","2","1") = "6"
    & skf18("4","7","7","1","1","3","1") = "6"
    & skf18("4","7","7","1","1","4","1") = "6"
    & skf18("4","7","7","1","1","5","1") = "6"
    & skf18("4","7","7","1","1","6","1") = "6"
    & skf18("4","7","7","1","1","7","1") = "6"
    & skf18("4","7","7","1","1","8","1") = "7"
    & skf18("4","7","7","1","1","9","1") = "8"
    & skf18("4","7","7","1","1","10","1") = "9"
    & skf18("4","7","7","1","2","1","1") = "6"
    & skf18("4","7","7","1","2","2","1") = "6"
    & skf18("4","7","7","1","2","3","1") = "6"
    & skf18("4","7","7","1","2","4","1") = "6"
    & skf18("4","7","7","1","2","5","1") = "6"
    & skf18("4","7","7","1","2","6","1") = "6"
    & skf18("4","7","7","1","2","7","1") = "6"
    & skf18("4","7","7","1","2","8","1") = "7"
    & skf18("4","7","7","1","2","9","1") = "8"
    & skf18("4","7","7","1","2","10","1") = "9"
    & skf18("4","7","7","1","3","1","1") = "6"
    & skf18("4","7","7","1","3","2","1") = "6"
    & skf18("4","7","7","1","3","3","1") = "6"
    & skf18("4","7","7","1","3","4","1") = "6"
    & skf18("4","7","7","1","3","5","1") = "6"
    & skf18("4","7","7","1","3","6","1") = "6"
    & skf18("4","7","7","1","3","7","1") = "6"
    & skf18("4","7","7","1","3","8","1") = "7"
    & skf18("4","7","7","1","3","9","1") = "8"
    & skf18("4","7","7","1","3","10","1") = "9"
    & skf18("4","7","7","1","4","1","1") = "6"
    & skf18("4","7","7","1","4","2","1") = "6"
    & skf18("4","7","7","1","4","3","1") = "6"
    & skf18("4","7","7","1","4","4","1") = "6"
    & skf18("4","7","7","1","4","5","1") = "6"
    & skf18("4","7","7","1","4","6","1") = "6"
    & skf18("4","7","7","1","4","7","1") = "6"
    & skf18("4","7","7","1","4","8","1") = "7"
    & skf18("4","7","7","1","4","9","1") = "8"
    & skf18("4","7","7","1","4","10","1") = "9"
    & skf18("4","7","7","1","5","1","1") = "6"
    & skf18("4","7","7","1","5","2","1") = "6"
    & skf18("4","7","7","1","5","3","1") = "6"
    & skf18("4","7","7","1","5","4","1") = "6"
    & skf18("4","7","7","1","5","5","1") = "6"
    & skf18("4","7","7","1","5","6","1") = "6"
    & skf18("4","7","7","1","5","7","1") = "6"
    & skf18("4","7","7","1","5","8","1") = "7"
    & skf18("4","7","7","1","5","9","1") = "8"
    & skf18("4","7","7","1","5","10","1") = "9"
    & skf18("4","7","7","1","6","1","1") = "6"
    & skf18("4","7","7","1","6","2","1") = "6"
    & skf18("4","7","7","1","6","3","1") = "6"
    & skf18("4","7","7","1","6","4","1") = "6"
    & skf18("4","7","7","1","6","5","1") = "6"
    & skf18("4","7","7","1","6","6","1") = "6"
    & skf18("4","7","7","1","6","7","1") = "6"
    & skf18("4","7","7","1","6","8","1") = "7"
    & skf18("4","7","7","1","6","9","1") = "8"
    & skf18("4","7","7","1","6","10","1") = "9"
    & skf18("4","7","7","1","7","1","1") = "6"
    & skf18("4","7","7","1","7","2","1") = "6"
    & skf18("4","7","7","1","7","3","1") = "6"
    & skf18("4","7","7","1","7","4","1") = "6"
    & skf18("4","7","7","1","7","5","1") = "6"
    & skf18("4","7","7","1","7","6","1") = "6"
    & skf18("4","7","7","1","7","7","1") = "6"
    & skf18("4","7","7","1","7","8","1") = "7"
    & skf18("4","7","7","1","7","9","1") = "8"
    & skf18("4","7","7","1","7","10","1") = "9"
    & skf18("4","7","7","1","8","1","1") = "7"
    & skf18("4","7","7","1","8","2","1") = "7"
    & skf18("4","7","7","1","8","3","1") = "7"
    & skf18("4","7","7","1","8","4","1") = "7"
    & skf18("4","7","7","1","8","5","1") = "7"
    & skf18("4","7","7","1","8","6","1") = "7"
    & skf18("4","7","7","1","8","7","1") = "7"
    & skf18("4","7","7","1","8","8","1") = "7"
    & skf18("4","7","7","1","8","9","1") = "8"
    & skf18("4","7","7","1","8","10","1") = "9"
    & skf18("4","7","7","1","9","1","1") = "8"
    & skf18("4","7","7","1","9","2","1") = "8"
    & skf18("4","7","7","1","9","3","1") = "8"
    & skf18("4","7","7","1","9","4","1") = "8"
    & skf18("4","7","7","1","9","5","1") = "8"
    & skf18("4","7","7","1","9","6","1") = "8"
    & skf18("4","7","7","1","9","7","1") = "8"
    & skf18("4","7","7","1","9","8","1") = "8"
    & skf18("4","7","7","1","9","9","1") = "8"
    & skf18("4","7","7","1","9","10","1") = "9"
    & skf18("4","7","7","1","10","1","1") = "9"
    & skf18("4","7","7","1","10","2","1") = "9"
    & skf18("4","7","7","1","10","3","1") = "9"
    & skf18("4","7","7","1","10","4","1") = "9"
    & skf18("4","7","7","1","10","5","1") = "9"
    & skf18("4","7","7","1","10","6","1") = "9"
    & skf18("4","7","7","1","10","7","1") = "9"
    & skf18("4","7","7","1","10","8","1") = "9"
    & skf18("4","7","7","1","10","9","1") = "9"
    & skf18("4","7","7","1","10","10","1") = "9"
    & skf18("4","7","7","2","1","1","1") = "6"
    & skf18("4","7","7","2","1","2","1") = "6"
    & skf18("4","7","7","2","1","3","1") = "6"
    & skf18("4","7","7","2","1","4","1") = "6"
    & skf18("4","7","7","2","1","5","1") = "6"
    & skf18("4","7","7","2","1","6","1") = "6"
    & skf18("4","7","7","2","1","7","1") = "6"
    & skf18("4","7","7","2","1","8","1") = "7"
    & skf18("4","7","7","2","1","9","1") = "8"
    & skf18("4","7","7","2","1","10","1") = "9"
    & skf18("4","7","7","2","2","1","1") = "6"
    & skf18("4","7","7","2","2","2","1") = "6"
    & skf18("4","7","7","2","2","3","1") = "6"
    & skf18("4","7","7","2","2","4","1") = "6"
    & skf18("4","7","7","2","2","5","1") = "6"
    & skf18("4","7","7","2","2","6","1") = "6"
    & skf18("4","7","7","2","2","7","1") = "6"
    & skf18("4","7","7","2","2","8","1") = "7"
    & skf18("4","7","7","2","2","9","1") = "8"
    & skf18("4","7","7","2","2","10","1") = "9"
    & skf18("4","7","7","2","3","1","1") = "6"
    & skf18("4","7","7","2","3","2","1") = "6"
    & skf18("4","7","7","2","3","3","1") = "6"
    & skf18("4","7","7","2","3","4","1") = "6"
    & skf18("4","7","7","2","3","5","1") = "6"
    & skf18("4","7","7","2","3","6","1") = "6"
    & skf18("4","7","7","2","3","7","1") = "6"
    & skf18("4","7","7","2","3","8","1") = "7"
    & skf18("4","7","7","2","3","9","1") = "8"
    & skf18("4","7","7","2","3","10","1") = "9"
    & skf18("4","7","7","2","4","1","1") = "6"
    & skf18("4","7","7","2","4","2","1") = "6"
    & skf18("4","7","7","2","4","3","1") = "6"
    & skf18("4","7","7","2","4","4","1") = "6"
    & skf18("4","7","7","2","4","5","1") = "6"
    & skf18("4","7","7","2","4","6","1") = "6"
    & skf18("4","7","7","2","4","7","1") = "6"
    & skf18("4","7","7","2","4","8","1") = "7"
    & skf18("4","7","7","2","4","9","1") = "8"
    & skf18("4","7","7","2","4","10","1") = "9"
    & skf18("4","7","7","2","5","1","1") = "6"
    & skf18("4","7","7","2","5","2","1") = "6"
    & skf18("4","7","7","2","5","3","1") = "6"
    & skf18("4","7","7","2","5","4","1") = "6"
    & skf18("4","7","7","2","5","5","1") = "6"
    & skf18("4","7","7","2","5","6","1") = "6"
    & skf18("4","7","7","2","5","7","1") = "6"
    & skf18("4","7","7","2","5","8","1") = "7"
    & skf18("4","7","7","2","5","9","1") = "8"
    & skf18("4","7","7","2","5","10","1") = "9"
    & skf18("4","7","7","2","6","1","1") = "6"
    & skf18("4","7","7","2","6","2","1") = "6"
    & skf18("4","7","7","2","6","3","1") = "6"
    & skf18("4","7","7","2","6","4","1") = "6"
    & skf18("4","7","7","2","6","5","1") = "6"
    & skf18("4","7","7","2","6","6","1") = "6"
    & skf18("4","7","7","2","6","7","1") = "6"
    & skf18("4","7","7","2","6","8","1") = "7"
    & skf18("4","7","7","2","6","9","1") = "8"
    & skf18("4","7","7","2","6","10","1") = "9"
    & skf18("4","7","7","2","7","1","1") = "6"
    & skf18("4","7","7","2","7","2","1") = "6"
    & skf18("4","7","7","2","7","3","1") = "6"
    & skf18("4","7","7","2","7","4","1") = "6"
    & skf18("4","7","7","2","7","5","1") = "6"
    & skf18("4","7","7","2","7","6","1") = "6"
    & skf18("4","7","7","2","7","7","1") = "6"
    & skf18("4","7","7","2","7","8","1") = "7"
    & skf18("4","7","7","2","7","9","1") = "8"
    & skf18("4","7","7","2","7","10","1") = "9"
    & skf18("4","7","7","2","8","1","1") = "7"
    & skf18("4","7","7","2","8","2","1") = "7"
    & skf18("4","7","7","2","8","3","1") = "7"
    & skf18("4","7","7","2","8","4","1") = "7"
    & skf18("4","7","7","2","8","5","1") = "7"
    & skf18("4","7","7","2","8","6","1") = "7"
    & skf18("4","7","7","2","8","7","1") = "7"
    & skf18("4","7","7","2","8","8","1") = "7"
    & skf18("4","7","7","2","8","9","1") = "8"
    & skf18("4","7","7","2","8","10","1") = "9"
    & skf18("4","7","7","2","9","1","1") = "8"
    & skf18("4","7","7","2","9","2","1") = "8"
    & skf18("4","7","7","2","9","3","1") = "8"
    & skf18("4","7","7","2","9","4","1") = "8"
    & skf18("4","7","7","2","9","5","1") = "8"
    & skf18("4","7","7","2","9","6","1") = "8"
    & skf18("4","7","7","2","9","7","1") = "8"
    & skf18("4","7","7","2","9","8","1") = "8"
    & skf18("4","7","7","2","9","9","1") = "8"
    & skf18("4","7","7","2","9","10","1") = "9"
    & skf18("4","7","7","2","10","1","1") = "9"
    & skf18("4","7","7","2","10","2","1") = "9"
    & skf18("4","7","7","2","10","3","1") = "9"
    & skf18("4","7","7","2","10","4","1") = "9"
    & skf18("4","7","7","2","10","5","1") = "9"
    & skf18("4","7","7","2","10","6","1") = "9"
    & skf18("4","7","7","2","10","7","1") = "9"
    & skf18("4","7","7","2","10","8","1") = "9"
    & skf18("4","7","7","2","10","9","1") = "9"
    & skf18("4","7","7","2","10","10","1") = "9"
    & skf18("4","7","7","3","1","1","1") = "6"
    & skf18("4","7","7","3","1","2","1") = "6"
    & skf18("4","7","7","3","1","3","1") = "6"
    & skf18("4","7","7","3","1","4","1") = "6"
    & skf18("4","7","7","3","1","5","1") = "6"
    & skf18("4","7","7","3","1","6","1") = "6"
    & skf18("4","7","7","3","1","7","1") = "6"
    & skf18("4","7","7","3","1","8","1") = "7"
    & skf18("4","7","7","3","1","9","1") = "8"
    & skf18("4","7","7","3","1","10","1") = "9"
    & skf18("4","7","7","3","2","1","1") = "6"
    & skf18("4","7","7","3","2","2","1") = "6"
    & skf18("4","7","7","3","2","3","1") = "6"
    & skf18("4","7","7","3","2","4","1") = "6"
    & skf18("4","7","7","3","2","5","1") = "6"
    & skf18("4","7","7","3","2","6","1") = "6"
    & skf18("4","7","7","3","2","7","1") = "6"
    & skf18("4","7","7","3","2","8","1") = "7"
    & skf18("4","7","7","3","2","9","1") = "8"
    & skf18("4","7","7","3","2","10","1") = "9"
    & skf18("4","7","7","3","3","1","1") = "6"
    & skf18("4","7","7","3","3","2","1") = "6"
    & skf18("4","7","7","3","3","3","1") = "6"
    & skf18("4","7","7","3","3","4","1") = "6"
    & skf18("4","7","7","3","3","5","1") = "6"
    & skf18("4","7","7","3","3","6","1") = "6"
    & skf18("4","7","7","3","3","7","1") = "6"
    & skf18("4","7","7","3","3","8","1") = "7"
    & skf18("4","7","7","3","3","9","1") = "8"
    & skf18("4","7","7","3","3","10","1") = "9"
    & skf18("4","7","7","3","4","1","1") = "6"
    & skf18("4","7","7","3","4","2","1") = "6"
    & skf18("4","7","7","3","4","3","1") = "6"
    & skf18("4","7","7","3","4","4","1") = "6"
    & skf18("4","7","7","3","4","5","1") = "6"
    & skf18("4","7","7","3","4","6","1") = "6"
    & skf18("4","7","7","3","4","7","1") = "6"
    & skf18("4","7","7","3","4","8","1") = "7"
    & skf18("4","7","7","3","4","9","1") = "8"
    & skf18("4","7","7","3","4","10","1") = "9"
    & skf18("4","7","7","3","5","1","1") = "6"
    & skf18("4","7","7","3","5","2","1") = "6"
    & skf18("4","7","7","3","5","3","1") = "6"
    & skf18("4","7","7","3","5","4","1") = "6"
    & skf18("4","7","7","3","5","5","1") = "6"
    & skf18("4","7","7","3","5","6","1") = "6"
    & skf18("4","7","7","3","5","7","1") = "6"
    & skf18("4","7","7","3","5","8","1") = "7"
    & skf18("4","7","7","3","5","9","1") = "8"
    & skf18("4","7","7","3","5","10","1") = "9"
    & skf18("4","7","7","3","6","1","1") = "6"
    & skf18("4","7","7","3","6","2","1") = "6"
    & skf18("4","7","7","3","6","3","1") = "6"
    & skf18("4","7","7","3","6","4","1") = "6"
    & skf18("4","7","7","3","6","5","1") = "6"
    & skf18("4","7","7","3","6","6","1") = "6"
    & skf18("4","7","7","3","6","7","1") = "6"
    & skf18("4","7","7","3","6","8","1") = "7"
    & skf18("4","7","7","3","6","9","1") = "8"
    & skf18("4","7","7","3","6","10","1") = "9"
    & skf18("4","7","7","3","7","1","1") = "6"
    & skf18("4","7","7","3","7","2","1") = "6"
    & skf18("4","7","7","3","7","3","1") = "6"
    & skf18("4","7","7","3","7","4","1") = "6"
    & skf18("4","7","7","3","7","5","1") = "6"
    & skf18("4","7","7","3","7","6","1") = "6"
    & skf18("4","7","7","3","7","7","1") = "6"
    & skf18("4","7","7","3","7","8","1") = "7"
    & skf18("4","7","7","3","7","9","1") = "8"
    & skf18("4","7","7","3","7","10","1") = "9"
    & skf18("4","7","7","3","8","1","1") = "7"
    & skf18("4","7","7","3","8","2","1") = "7"
    & skf18("4","7","7","3","8","3","1") = "7"
    & skf18("4","7","7","3","8","4","1") = "7"
    & skf18("4","7","7","3","8","5","1") = "7"
    & skf18("4","7","7","3","8","6","1") = "7"
    & skf18("4","7","7","3","8","7","1") = "7"
    & skf18("4","7","7","3","8","8","1") = "7"
    & skf18("4","7","7","3","8","9","1") = "8"
    & skf18("4","7","7","3","8","10","1") = "9"
    & skf18("4","7","7","3","9","1","1") = "8"
    & skf18("4","7","7","3","9","2","1") = "8"
    & skf18("4","7","7","3","9","3","1") = "8"
    & skf18("4","7","7","3","9","4","1") = "8"
    & skf18("4","7","7","3","9","5","1") = "8"
    & skf18("4","7","7","3","9","6","1") = "8"
    & skf18("4","7","7","3","9","7","1") = "8"
    & skf18("4","7","7","3","9","8","1") = "8"
    & skf18("4","7","7","3","9","9","1") = "8"
    & skf18("4","7","7","3","9","10","1") = "9"
    & skf18("4","7","7","3","10","1","1") = "9"
    & skf18("4","7","7","3","10","2","1") = "9"
    & skf18("4","7","7","3","10","3","1") = "9"
    & skf18("4","7","7","3","10","4","1") = "9"
    & skf18("4","7","7","3","10","5","1") = "9"
    & skf18("4","7","7","3","10","6","1") = "9"
    & skf18("4","7","7","3","10","7","1") = "9"
    & skf18("4","7","7","3","10","8","1") = "9"
    & skf18("4","7","7","3","10","9","1") = "9"
    & skf18("4","7","7","3","10","10","1") = "9"
    & skf18("4","7","7","4","1","1","1") = "6"
    & skf18("4","7","7","4","1","2","1") = "6"
    & skf18("4","7","7","4","1","3","1") = "6"
    & skf18("4","7","7","4","1","4","1") = "6"
    & skf18("4","7","7","4","1","5","1") = "6"
    & skf18("4","7","7","4","1","6","1") = "6"
    & skf18("4","7","7","4","1","7","1") = "6"
    & skf18("4","7","7","4","1","8","1") = "7"
    & skf18("4","7","7","4","1","9","1") = "8"
    & skf18("4","7","7","4","1","10","1") = "9"
    & skf18("4","7","7","4","2","1","1") = "6"
    & skf18("4","7","7","4","2","2","1") = "6"
    & skf18("4","7","7","4","2","3","1") = "6"
    & skf18("4","7","7","4","2","4","1") = "6"
    & skf18("4","7","7","4","2","5","1") = "6"
    & skf18("4","7","7","4","2","6","1") = "6"
    & skf18("4","7","7","4","2","7","1") = "6"
    & skf18("4","7","7","4","2","8","1") = "7"
    & skf18("4","7","7","4","2","9","1") = "8"
    & skf18("4","7","7","4","2","10","1") = "9"
    & skf18("4","7","7","4","3","1","1") = "6"
    & skf18("4","7","7","4","3","2","1") = "6"
    & skf18("4","7","7","4","3","3","1") = "6"
    & skf18("4","7","7","4","3","4","1") = "6"
    & skf18("4","7","7","4","3","5","1") = "6"
    & skf18("4","7","7","4","3","6","1") = "6"
    & skf18("4","7","7","4","3","7","1") = "6"
    & skf18("4","7","7","4","3","8","1") = "7"
    & skf18("4","7","7","4","3","9","1") = "8"
    & skf18("4","7","7","4","3","10","1") = "9"
    & skf18("4","7","7","4","4","1","1") = "6"
    & skf18("4","7","7","4","4","2","1") = "6"
    & skf18("4","7","7","4","4","3","1") = "6"
    & skf18("4","7","7","4","4","4","1") = "6"
    & skf18("4","7","7","4","4","5","1") = "6"
    & skf18("4","7","7","4","4","6","1") = "6"
    & skf18("4","7","7","4","4","7","1") = "6"
    & skf18("4","7","7","4","4","8","1") = "7"
    & skf18("4","7","7","4","4","9","1") = "8"
    & skf18("4","7","7","4","4","10","1") = "9"
    & skf18("4","7","7","4","5","1","1") = "6"
    & skf18("4","7","7","4","5","2","1") = "6"
    & skf18("4","7","7","4","5","3","1") = "6"
    & skf18("4","7","7","4","5","4","1") = "6"
    & skf18("4","7","7","4","5","5","1") = "6"
    & skf18("4","7","7","4","5","6","1") = "6"
    & skf18("4","7","7","4","5","7","1") = "6"
    & skf18("4","7","7","4","5","8","1") = "7"
    & skf18("4","7","7","4","5","9","1") = "8"
    & skf18("4","7","7","4","5","10","1") = "9"
    & skf18("4","7","7","4","6","1","1") = "6"
    & skf18("4","7","7","4","6","2","1") = "6"
    & skf18("4","7","7","4","6","3","1") = "6"
    & skf18("4","7","7","4","6","4","1") = "6"
    & skf18("4","7","7","4","6","5","1") = "6"
    & skf18("4","7","7","4","6","6","1") = "6"
    & skf18("4","7","7","4","6","7","1") = "6"
    & skf18("4","7","7","4","6","8","1") = "7"
    & skf18("4","7","7","4","6","9","1") = "8"
    & skf18("4","7","7","4","6","10","1") = "9"
    & skf18("4","7","7","4","7","1","1") = "6"
    & skf18("4","7","7","4","7","2","1") = "6"
    & skf18("4","7","7","4","7","3","1") = "6"
    & skf18("4","7","7","4","7","4","1") = "6"
    & skf18("4","7","7","4","7","5","1") = "6"
    & skf18("4","7","7","4","7","6","1") = "6"
    & skf18("4","7","7","4","7","7","1") = "6"
    & skf18("4","7","7","4","7","8","1") = "7"
    & skf18("4","7","7","4","7","9","1") = "8"
    & skf18("4","7","7","4","7","10","1") = "9"
    & skf18("4","7","7","4","8","1","1") = "7"
    & skf18("4","7","7","4","8","2","1") = "7"
    & skf18("4","7","7","4","8","3","1") = "7"
    & skf18("4","7","7","4","8","4","1") = "7"
    & skf18("4","7","7","4","8","5","1") = "7"
    & skf18("4","7","7","4","8","6","1") = "7"
    & skf18("4","7","7","4","8","7","1") = "7"
    & skf18("4","7","7","4","8","8","1") = "7"
    & skf18("4","7","7","4","8","9","1") = "8"
    & skf18("4","7","7","4","8","10","1") = "9"
    & skf18("4","7","7","4","9","1","1") = "8"
    & skf18("4","7","7","4","9","2","1") = "8"
    & skf18("4","7","7","4","9","3","1") = "8"
    & skf18("4","7","7","4","9","4","1") = "8"
    & skf18("4","7","7","4","9","5","1") = "8"
    & skf18("4","7","7","4","9","6","1") = "8"
    & skf18("4","7","7","4","9","7","1") = "8"
    & skf18("4","7","7","4","9","8","1") = "8"
    & skf18("4","7","7","4","9","9","1") = "8"
    & skf18("4","7","7","4","9","10","1") = "9"
    & skf18("4","7","7","4","10","1","1") = "9"
    & skf18("4","7","7","4","10","2","1") = "9"
    & skf18("4","7","7","4","10","3","1") = "9"
    & skf18("4","7","7","4","10","4","1") = "9"
    & skf18("4","7","7","4","10","5","1") = "9"
    & skf18("4","7","7","4","10","6","1") = "9"
    & skf18("4","7","7","4","10","7","1") = "9"
    & skf18("4","7","7","4","10","8","1") = "9"
    & skf18("4","7","7","4","10","9","1") = "9"
    & skf18("4","7","7","4","10","10","1") = "9"
    & skf18("4","7","7","5","1","1","1") = "6"
    & skf18("4","7","7","5","1","2","1") = "6"
    & skf18("4","7","7","5","1","3","1") = "6"
    & skf18("4","7","7","5","1","4","1") = "6"
    & skf18("4","7","7","5","1","5","1") = "6"
    & skf18("4","7","7","5","1","6","1") = "6"
    & skf18("4","7","7","5","1","7","1") = "6"
    & skf18("4","7","7","5","1","8","1") = "7"
    & skf18("4","7","7","5","1","9","1") = "8"
    & skf18("4","7","7","5","1","10","1") = "9"
    & skf18("4","7","7","5","2","1","1") = "6"
    & skf18("4","7","7","5","2","2","1") = "6"
    & skf18("4","7","7","5","2","3","1") = "6"
    & skf18("4","7","7","5","2","4","1") = "6"
    & skf18("4","7","7","5","2","5","1") = "6"
    & skf18("4","7","7","5","2","6","1") = "6"
    & skf18("4","7","7","5","2","7","1") = "6"
    & skf18("4","7","7","5","2","8","1") = "7"
    & skf18("4","7","7","5","2","9","1") = "8"
    & skf18("4","7","7","5","2","10","1") = "9"
    & skf18("4","7","7","5","3","1","1") = "6"
    & skf18("4","7","7","5","3","2","1") = "6"
    & skf18("4","7","7","5","3","3","1") = "6"
    & skf18("4","7","7","5","3","4","1") = "6"
    & skf18("4","7","7","5","3","5","1") = "6"
    & skf18("4","7","7","5","3","6","1") = "6"
    & skf18("4","7","7","5","3","7","1") = "6"
    & skf18("4","7","7","5","3","8","1") = "7"
    & skf18("4","7","7","5","3","9","1") = "8"
    & skf18("4","7","7","5","3","10","1") = "9"
    & skf18("4","7","7","5","4","1","1") = "6"
    & skf18("4","7","7","5","4","2","1") = "6"
    & skf18("4","7","7","5","4","3","1") = "6"
    & skf18("4","7","7","5","4","4","1") = "6"
    & skf18("4","7","7","5","4","5","1") = "6"
    & skf18("4","7","7","5","4","6","1") = "6"
    & skf18("4","7","7","5","4","7","1") = "6"
    & skf18("4","7","7","5","4","8","1") = "7"
    & skf18("4","7","7","5","4","9","1") = "8"
    & skf18("4","7","7","5","4","10","1") = "9"
    & skf18("4","7","7","5","5","1","1") = "6"
    & skf18("4","7","7","5","5","2","1") = "6"
    & skf18("4","7","7","5","5","3","1") = "6"
    & skf18("4","7","7","5","5","4","1") = "6"
    & skf18("4","7","7","5","5","5","1") = "6"
    & skf18("4","7","7","5","5","6","1") = "6"
    & skf18("4","7","7","5","5","7","1") = "6"
    & skf18("4","7","7","5","5","8","1") = "7"
    & skf18("4","7","7","5","5","9","1") = "8"
    & skf18("4","7","7","5","5","10","1") = "9"
    & skf18("4","7","7","5","6","1","1") = "6"
    & skf18("4","7","7","5","6","2","1") = "6"
    & skf18("4","7","7","5","6","3","1") = "6"
    & skf18("4","7","7","5","6","4","1") = "6"
    & skf18("4","7","7","5","6","5","1") = "6"
    & skf18("4","7","7","5","6","6","1") = "6"
    & skf18("4","7","7","5","6","7","1") = "6"
    & skf18("4","7","7","5","6","8","1") = "7"
    & skf18("4","7","7","5","6","9","1") = "8"
    & skf18("4","7","7","5","6","10","1") = "9"
    & skf18("4","7","7","5","7","1","1") = "6"
    & skf18("4","7","7","5","7","2","1") = "6"
    & skf18("4","7","7","5","7","3","1") = "6"
    & skf18("4","7","7","5","7","4","1") = "6"
    & skf18("4","7","7","5","7","5","1") = "6"
    & skf18("4","7","7","5","7","6","1") = "6"
    & skf18("4","7","7","5","7","7","1") = "6"
    & skf18("4","7","7","5","7","8","1") = "7"
    & skf18("4","7","7","5","7","9","1") = "8"
    & skf18("4","7","7","5","7","10","1") = "9"
    & skf18("4","7","7","5","8","1","1") = "7"
    & skf18("4","7","7","5","8","2","1") = "7"
    & skf18("4","7","7","5","8","3","1") = "7"
    & skf18("4","7","7","5","8","4","1") = "7"
    & skf18("4","7","7","5","8","5","1") = "7"
    & skf18("4","7","7","5","8","6","1") = "7"
    & skf18("4","7","7","5","8","7","1") = "7"
    & skf18("4","7","7","5","8","8","1") = "7"
    & skf18("4","7","7","5","8","9","1") = "8"
    & skf18("4","7","7","5","8","10","1") = "9"
    & skf18("4","7","7","5","9","1","1") = "8"
    & skf18("4","7","7","5","9","2","1") = "8"
    & skf18("4","7","7","5","9","3","1") = "8"
    & skf18("4","7","7","5","9","4","1") = "8"
    & skf18("4","7","7","5","9","5","1") = "8"
    & skf18("4","7","7","5","9","6","1") = "8"
    & skf18("4","7","7","5","9","7","1") = "8"
    & skf18("4","7","7","5","9","8","1") = "8"
    & skf18("4","7","7","5","9","9","1") = "8"
    & skf18("4","7","7","5","9","10","1") = "9"
    & skf18("4","7","7","5","10","1","1") = "9"
    & skf18("4","7","7","5","10","2","1") = "9"
    & skf18("4","7","7","5","10","3","1") = "9"
    & skf18("4","7","7","5","10","4","1") = "9"
    & skf18("4","7","7","5","10","5","1") = "9"
    & skf18("4","7","7","5","10","6","1") = "9"
    & skf18("4","7","7","5","10","7","1") = "9"
    & skf18("4","7","7","5","10","8","1") = "9"
    & skf18("4","7","7","5","10","9","1") = "9"
    & skf18("4","7","7","5","10","10","1") = "9"
    & skf18("4","7","7","6","1","1","1") = "6"
    & skf18("4","7","7","6","1","2","1") = "6"
    & skf18("4","7","7","6","1","3","1") = "6"
    & skf18("4","7","7","6","1","4","1") = "6"
    & skf18("4","7","7","6","1","5","1") = "6"
    & skf18("4","7","7","6","1","6","1") = "6"
    & skf18("4","7","7","6","1","7","1") = "6"
    & skf18("4","7","7","6","1","8","1") = "7"
    & skf18("4","7","7","6","1","9","1") = "8"
    & skf18("4","7","7","6","1","10","1") = "9"
    & skf18("4","7","7","6","2","1","1") = "6"
    & skf18("4","7","7","6","2","2","1") = "6"
    & skf18("4","7","7","6","2","3","1") = "6"
    & skf18("4","7","7","6","2","4","1") = "6"
    & skf18("4","7","7","6","2","5","1") = "6"
    & skf18("4","7","7","6","2","6","1") = "6"
    & skf18("4","7","7","6","2","7","1") = "6"
    & skf18("4","7","7","6","2","8","1") = "7"
    & skf18("4","7","7","6","2","9","1") = "8"
    & skf18("4","7","7","6","2","10","1") = "9"
    & skf18("4","7","7","6","3","1","1") = "6"
    & skf18("4","7","7","6","3","2","1") = "6"
    & skf18("4","7","7","6","3","3","1") = "6"
    & skf18("4","7","7","6","3","4","1") = "6"
    & skf18("4","7","7","6","3","5","1") = "6"
    & skf18("4","7","7","6","3","6","1") = "6"
    & skf18("4","7","7","6","3","7","1") = "6"
    & skf18("4","7","7","6","3","8","1") = "7"
    & skf18("4","7","7","6","3","9","1") = "8"
    & skf18("4","7","7","6","3","10","1") = "9"
    & skf18("4","7","7","6","4","1","1") = "6"
    & skf18("4","7","7","6","4","2","1") = "6"
    & skf18("4","7","7","6","4","3","1") = "6"
    & skf18("4","7","7","6","4","4","1") = "6"
    & skf18("4","7","7","6","4","5","1") = "6"
    & skf18("4","7","7","6","4","6","1") = "6"
    & skf18("4","7","7","6","4","7","1") = "6"
    & skf18("4","7","7","6","4","8","1") = "7"
    & skf18("4","7","7","6","4","9","1") = "8"
    & skf18("4","7","7","6","4","10","1") = "9"
    & skf18("4","7","7","6","5","1","1") = "6"
    & skf18("4","7","7","6","5","2","1") = "6"
    & skf18("4","7","7","6","5","3","1") = "6"
    & skf18("4","7","7","6","5","4","1") = "6"
    & skf18("4","7","7","6","5","5","1") = "6"
    & skf18("4","7","7","6","5","6","1") = "6"
    & skf18("4","7","7","6","5","7","1") = "6"
    & skf18("4","7","7","6","5","8","1") = "7"
    & skf18("4","7","7","6","5","9","1") = "8"
    & skf18("4","7","7","6","5","10","1") = "9"
    & skf18("4","7","7","6","6","1","1") = "6"
    & skf18("4","7","7","6","6","2","1") = "6"
    & skf18("4","7","7","6","6","3","1") = "6"
    & skf18("4","7","7","6","6","4","1") = "6"
    & skf18("4","7","7","6","6","5","1") = "6"
    & skf18("4","7","7","6","6","6","1") = "6"
    & skf18("4","7","7","6","6","7","1") = "6"
    & skf18("4","7","7","6","6","8","1") = "7"
    & skf18("4","7","7","6","6","9","1") = "8"
    & skf18("4","7","7","6","6","10","1") = "9"
    & skf18("4","7","7","6","7","1","1") = "6"
    & skf18("4","7","7","6","7","2","1") = "6"
    & skf18("4","7","7","6","7","3","1") = "6"
    & skf18("4","7","7","6","7","4","1") = "6"
    & skf18("4","7","7","6","7","5","1") = "6"
    & skf18("4","7","7","6","7","6","1") = "6"
    & skf18("4","7","7","6","7","7","1") = "6"
    & skf18("4","7","7","6","7","8","1") = "7"
    & skf18("4","7","7","6","7","9","1") = "8"
    & skf18("4","7","7","6","7","10","1") = "9"
    & skf18("4","7","7","6","8","1","1") = "7"
    & skf18("4","7","7","6","8","2","1") = "7"
    & skf18("4","7","7","6","8","3","1") = "7"
    & skf18("4","7","7","6","8","4","1") = "7"
    & skf18("4","7","7","6","8","5","1") = "7"
    & skf18("4","7","7","6","8","6","1") = "7"
    & skf18("4","7","7","6","8","7","1") = "7"
    & skf18("4","7","7","6","8","8","1") = "7"
    & skf18("4","7","7","6","8","9","1") = "8"
    & skf18("4","7","7","6","8","10","1") = "9"
    & skf18("4","7","7","6","9","1","1") = "8"
    & skf18("4","7","7","6","9","2","1") = "8"
    & skf18("4","7","7","6","9","3","1") = "8"
    & skf18("4","7","7","6","9","4","1") = "8"
    & skf18("4","7","7","6","9","5","1") = "8"
    & skf18("4","7","7","6","9","6","1") = "8"
    & skf18("4","7","7","6","9","7","1") = "8"
    & skf18("4","7","7","6","9","8","1") = "8"
    & skf18("4","7","7","6","9","9","1") = "8"
    & skf18("4","7","7","6","9","10","1") = "9"
    & skf18("4","7","7","6","10","1","1") = "9"
    & skf18("4","7","7","6","10","2","1") = "9"
    & skf18("4","7","7","6","10","3","1") = "9"
    & skf18("4","7","7","6","10","4","1") = "9"
    & skf18("4","7","7","6","10","5","1") = "9"
    & skf18("4","7","7","6","10","6","1") = "9"
    & skf18("4","7","7","6","10","7","1") = "9"
    & skf18("4","7","7","6","10","8","1") = "9"
    & skf18("4","7","7","6","10","9","1") = "9"
    & skf18("4","7","7","6","10","10","1") = "9"
    & skf18("4","7","7","7","1","1","1") = "6"
    & skf18("4","7","7","7","1","2","1") = "6"
    & skf18("4","7","7","7","1","3","1") = "6"
    & skf18("4","7","7","7","1","4","1") = "6"
    & skf18("4","7","7","7","1","5","1") = "6"
    & skf18("4","7","7","7","1","6","1") = "6"
    & skf18("4","7","7","7","1","7","1") = "6"
    & skf18("4","7","7","7","1","8","1") = "7"
    & skf18("4","7","7","7","1","9","1") = "8"
    & skf18("4","7","7","7","1","10","1") = "9"
    & skf18("4","7","7","7","2","1","1") = "6"
    & skf18("4","7","7","7","2","2","1") = "6"
    & skf18("4","7","7","7","2","3","1") = "6"
    & skf18("4","7","7","7","2","4","1") = "6"
    & skf18("4","7","7","7","2","5","1") = "6"
    & skf18("4","7","7","7","2","6","1") = "6"
    & skf18("4","7","7","7","2","7","1") = "6"
    & skf18("4","7","7","7","2","8","1") = "7"
    & skf18("4","7","7","7","2","9","1") = "8"
    & skf18("4","7","7","7","2","10","1") = "9"
    & skf18("4","7","7","7","3","1","1") = "6"
    & skf18("4","7","7","7","3","2","1") = "6"
    & skf18("4","7","7","7","3","3","1") = "6"
    & skf18("4","7","7","7","3","4","1") = "6"
    & skf18("4","7","7","7","3","5","1") = "6"
    & skf18("4","7","7","7","3","6","1") = "6"
    & skf18("4","7","7","7","3","7","1") = "6"
    & skf18("4","7","7","7","3","8","1") = "7"
    & skf18("4","7","7","7","3","9","1") = "8"
    & skf18("4","7","7","7","3","10","1") = "9"
    & skf18("4","7","7","7","4","1","1") = "6"
    & skf18("4","7","7","7","4","2","1") = "6"
    & skf18("4","7","7","7","4","3","1") = "6"
    & skf18("4","7","7","7","4","4","1") = "6"
    & skf18("4","7","7","7","4","5","1") = "6"
    & skf18("4","7","7","7","4","6","1") = "6"
    & skf18("4","7","7","7","4","7","1") = "6"
    & skf18("4","7","7","7","4","8","1") = "7"
    & skf18("4","7","7","7","4","9","1") = "8"
    & skf18("4","7","7","7","4","10","1") = "9"
    & skf18("4","7","7","7","5","1","1") = "6"
    & skf18("4","7","7","7","5","2","1") = "6"
    & skf18("4","7","7","7","5","3","1") = "6"
    & skf18("4","7","7","7","5","4","1") = "6"
    & skf18("4","7","7","7","5","5","1") = "6"
    & skf18("4","7","7","7","5","6","1") = "6"
    & skf18("4","7","7","7","5","7","1") = "6"
    & skf18("4","7","7","7","5","8","1") = "7"
    & skf18("4","7","7","7","5","9","1") = "8"
    & skf18("4","7","7","7","5","10","1") = "9"
    & skf18("4","7","7","7","6","1","1") = "6"
    & skf18("4","7","7","7","6","2","1") = "6"
    & skf18("4","7","7","7","6","3","1") = "6"
    & skf18("4","7","7","7","6","4","1") = "6"
    & skf18("4","7","7","7","6","5","1") = "6"
    & skf18("4","7","7","7","6","6","1") = "6"
    & skf18("4","7","7","7","6","7","1") = "6"
    & skf18("4","7","7","7","6","8","1") = "7"
    & skf18("4","7","7","7","6","9","1") = "8"
    & skf18("4","7","7","7","6","10","1") = "9"
    & skf18("4","7","7","7","7","1","1") = "6"
    & skf18("4","7","7","7","7","2","1") = "6"
    & skf18("4","7","7","7","7","3","1") = "6"
    & skf18("4","7","7","7","7","4","1") = "6"
    & skf18("4","7","7","7","7","5","1") = "6"
    & skf18("4","7","7","7","7","6","1") = "6"
    & skf18("4","7","7","7","7","7","1") = "6"
    & skf18("4","7","7","7","7","8","1") = "7"
    & skf18("4","7","7","7","7","9","1") = "8"
    & skf18("4","7","7","7","7","10","1") = "9"
    & skf18("4","7","7","7","8","1","1") = "7"
    & skf18("4","7","7","7","8","2","1") = "7"
    & skf18("4","7","7","7","8","3","1") = "7"
    & skf18("4","7","7","7","8","4","1") = "7"
    & skf18("4","7","7","7","8","5","1") = "7"
    & skf18("4","7","7","7","8","6","1") = "7"
    & skf18("4","7","7","7","8","7","1") = "7"
    & skf18("4","7","7","7","8","8","1") = "7"
    & skf18("4","7","7","7","8","9","1") = "8"
    & skf18("4","7","7","7","8","10","1") = "9"
    & skf18("4","7","7","7","9","1","1") = "8"
    & skf18("4","7","7","7","9","2","1") = "8"
    & skf18("4","7","7","7","9","3","1") = "8"
    & skf18("4","7","7","7","9","4","1") = "8"
    & skf18("4","7","7","7","9","5","1") = "8"
    & skf18("4","7","7","7","9","6","1") = "8"
    & skf18("4","7","7","7","9","7","1") = "8"
    & skf18("4","7","7","7","9","8","1") = "8"
    & skf18("4","7","7","7","9","9","1") = "8"
    & skf18("4","7","7","7","9","10","1") = "9"
    & skf18("4","7","7","7","10","1","1") = "9"
    & skf18("4","7","7","7","10","2","1") = "9"
    & skf18("4","7","7","7","10","3","1") = "9"
    & skf18("4","7","7","7","10","4","1") = "9"
    & skf18("4","7","7","7","10","5","1") = "9"
    & skf18("4","7","7","7","10","6","1") = "9"
    & skf18("4","7","7","7","10","7","1") = "9"
    & skf18("4","7","7","7","10","8","1") = "9"
    & skf18("4","7","7","7","10","9","1") = "9"
    & skf18("4","7","7","7","10","10","1") = "9"
    & skf18("4","7","7","8","1","1","1") = "7"
    & skf18("4","7","7","8","1","2","1") = "7"
    & skf18("4","7","7","8","1","3","1") = "7"
    & skf18("4","7","7","8","1","4","1") = "7"
    & skf18("4","7","7","8","1","5","1") = "7"
    & skf18("4","7","7","8","1","6","1") = "7"
    & skf18("4","7","7","8","1","7","1") = "7"
    & skf18("4","7","7","8","1","8","1") = "7"
    & skf18("4","7","7","8","1","9","1") = "8"
    & skf18("4","7","7","8","1","10","1") = "9"
    & skf18("4","7","7","8","2","1","1") = "7"
    & skf18("4","7","7","8","2","2","1") = "7"
    & skf18("4","7","7","8","2","3","1") = "7"
    & skf18("4","7","7","8","2","4","1") = "7"
    & skf18("4","7","7","8","2","5","1") = "7"
    & skf18("4","7","7","8","2","6","1") = "7"
    & skf18("4","7","7","8","2","7","1") = "7"
    & skf18("4","7","7","8","2","8","1") = "7"
    & skf18("4","7","7","8","2","9","1") = "8"
    & skf18("4","7","7","8","2","10","1") = "9"
    & skf18("4","7","7","8","3","1","1") = "7"
    & skf18("4","7","7","8","3","2","1") = "7"
    & skf18("4","7","7","8","3","3","1") = "7"
    & skf18("4","7","7","8","3","4","1") = "7"
    & skf18("4","7","7","8","3","5","1") = "7"
    & skf18("4","7","7","8","3","6","1") = "7"
    & skf18("4","7","7","8","3","7","1") = "7"
    & skf18("4","7","7","8","3","8","1") = "7"
    & skf18("4","7","7","8","3","9","1") = "8"
    & skf18("4","7","7","8","3","10","1") = "9"
    & skf18("4","7","7","8","4","1","1") = "7"
    & skf18("4","7","7","8","4","2","1") = "7"
    & skf18("4","7","7","8","4","3","1") = "7"
    & skf18("4","7","7","8","4","4","1") = "7"
    & skf18("4","7","7","8","4","5","1") = "7"
    & skf18("4","7","7","8","4","6","1") = "7"
    & skf18("4","7","7","8","4","7","1") = "7"
    & skf18("4","7","7","8","4","8","1") = "7"
    & skf18("4","7","7","8","4","9","1") = "8"
    & skf18("4","7","7","8","4","10","1") = "9"
    & skf18("4","7","7","8","5","1","1") = "7"
    & skf18("4","7","7","8","5","2","1") = "7"
    & skf18("4","7","7","8","5","3","1") = "7"
    & skf18("4","7","7","8","5","4","1") = "7"
    & skf18("4","7","7","8","5","5","1") = "7"
    & skf18("4","7","7","8","5","6","1") = "7"
    & skf18("4","7","7","8","5","7","1") = "7"
    & skf18("4","7","7","8","5","8","1") = "7"
    & skf18("4","7","7","8","5","9","1") = "8"
    & skf18("4","7","7","8","5","10","1") = "9"
    & skf18("4","7","7","8","6","1","1") = "7"
    & skf18("4","7","7","8","6","2","1") = "7"
    & skf18("4","7","7","8","6","3","1") = "7"
    & skf18("4","7","7","8","6","4","1") = "7"
    & skf18("4","7","7","8","6","5","1") = "7"
    & skf18("4","7","7","8","6","6","1") = "7"
    & skf18("4","7","7","8","6","7","1") = "7"
    & skf18("4","7","7","8","6","8","1") = "7"
    & skf18("4","7","7","8","6","9","1") = "8"
    & skf18("4","7","7","8","6","10","1") = "9"
    & skf18("4","7","7","8","7","1","1") = "7"
    & skf18("4","7","7","8","7","2","1") = "7"
    & skf18("4","7","7","8","7","3","1") = "7"
    & skf18("4","7","7","8","7","4","1") = "7"
    & skf18("4","7","7","8","7","5","1") = "7"
    & skf18("4","7","7","8","7","6","1") = "7"
    & skf18("4","7","7","8","7","7","1") = "7"
    & skf18("4","7","7","8","7","8","1") = "7"
    & skf18("4","7","7","8","7","9","1") = "8"
    & skf18("4","7","7","8","7","10","1") = "9"
    & skf18("4","7","7","8","8","1","1") = "7"
    & skf18("4","7","7","8","8","2","1") = "7"
    & skf18("4","7","7","8","8","3","1") = "7"
    & skf18("4","7","7","8","8","4","1") = "7"
    & skf18("4","7","7","8","8","5","1") = "7"
    & skf18("4","7","7","8","8","6","1") = "7"
    & skf18("4","7","7","8","8","7","1") = "7"
    & skf18("4","7","7","8","8","8","1") = "7"
    & skf18("4","7","7","8","8","9","1") = "8"
    & skf18("4","7","7","8","8","10","1") = "9"
    & skf18("4","7","7","8","9","1","1") = "8"
    & skf18("4","7","7","8","9","2","1") = "8"
    & skf18("4","7","7","8","9","3","1") = "8"
    & skf18("4","7","7","8","9","4","1") = "8"
    & skf18("4","7","7","8","9","5","1") = "8"
    & skf18("4","7","7","8","9","6","1") = "8"
    & skf18("4","7","7","8","9","7","1") = "8"
    & skf18("4","7","7","8","9","8","1") = "8"
    & skf18("4","7","7","8","9","9","1") = "8"
    & skf18("4","7","7","8","9","10","1") = "9"
    & skf18("4","7","7","8","10","1","1") = "9"
    & skf18("4","7","7","8","10","2","1") = "9"
    & skf18("4","7","7","8","10","3","1") = "9"
    & skf18("4","7","7","8","10","4","1") = "9"
    & skf18("4","7","7","8","10","5","1") = "9"
    & skf18("4","7","7","8","10","6","1") = "9"
    & skf18("4","7","7","8","10","7","1") = "9"
    & skf18("4","7","7","8","10","8","1") = "9"
    & skf18("4","7","7","8","10","9","1") = "9"
    & skf18("4","7","7","8","10","10","1") = "9"
    & skf18("4","7","7","9","1","1","1") = "8"
    & skf18("4","7","7","9","1","2","1") = "8"
    & skf18("4","7","7","9","1","3","1") = "8"
    & skf18("4","7","7","9","1","4","1") = "8"
    & skf18("4","7","7","9","1","5","1") = "8"
    & skf18("4","7","7","9","1","6","1") = "8"
    & skf18("4","7","7","9","1","7","1") = "8"
    & skf18("4","7","7","9","1","8","1") = "8"
    & skf18("4","7","7","9","1","9","1") = "8"
    & skf18("4","7","7","9","1","10","1") = "9"
    & skf18("4","7","7","9","2","1","1") = "8"
    & skf18("4","7","7","9","2","2","1") = "8"
    & skf18("4","7","7","9","2","3","1") = "8"
    & skf18("4","7","7","9","2","4","1") = "8"
    & skf18("4","7","7","9","2","5","1") = "8"
    & skf18("4","7","7","9","2","6","1") = "8"
    & skf18("4","7","7","9","2","7","1") = "8"
    & skf18("4","7","7","9","2","8","1") = "8"
    & skf18("4","7","7","9","2","9","1") = "8"
    & skf18("4","7","7","9","2","10","1") = "9"
    & skf18("4","7","7","9","3","1","1") = "8"
    & skf18("4","7","7","9","3","2","1") = "8"
    & skf18("4","7","7","9","3","3","1") = "8"
    & skf18("4","7","7","9","3","4","1") = "8"
    & skf18("4","7","7","9","3","5","1") = "8"
    & skf18("4","7","7","9","3","6","1") = "8"
    & skf18("4","7","7","9","3","7","1") = "8"
    & skf18("4","7","7","9","3","8","1") = "8"
    & skf18("4","7","7","9","3","9","1") = "8"
    & skf18("4","7","7","9","3","10","1") = "9"
    & skf18("4","7","7","9","4","1","1") = "8"
    & skf18("4","7","7","9","4","2","1") = "8"
    & skf18("4","7","7","9","4","3","1") = "8"
    & skf18("4","7","7","9","4","4","1") = "8"
    & skf18("4","7","7","9","4","5","1") = "8"
    & skf18("4","7","7","9","4","6","1") = "8"
    & skf18("4","7","7","9","4","7","1") = "8"
    & skf18("4","7","7","9","4","8","1") = "8"
    & skf18("4","7","7","9","4","9","1") = "8"
    & skf18("4","7","7","9","4","10","1") = "9"
    & skf18("4","7","7","9","5","1","1") = "8"
    & skf18("4","7","7","9","5","2","1") = "8"
    & skf18("4","7","7","9","5","3","1") = "8"
    & skf18("4","7","7","9","5","4","1") = "8"
    & skf18("4","7","7","9","5","5","1") = "8"
    & skf18("4","7","7","9","5","6","1") = "8"
    & skf18("4","7","7","9","5","7","1") = "8"
    & skf18("4","7","7","9","5","8","1") = "8"
    & skf18("4","7","7","9","5","9","1") = "8"
    & skf18("4","7","7","9","5","10","1") = "9"
    & skf18("4","7","7","9","6","1","1") = "8"
    & skf18("4","7","7","9","6","2","1") = "8"
    & skf18("4","7","7","9","6","3","1") = "8"
    & skf18("4","7","7","9","6","4","1") = "8"
    & skf18("4","7","7","9","6","5","1") = "8"
    & skf18("4","7","7","9","6","6","1") = "8"
    & skf18("4","7","7","9","6","7","1") = "8"
    & skf18("4","7","7","9","6","8","1") = "8"
    & skf18("4","7","7","9","6","9","1") = "8"
    & skf18("4","7","7","9","6","10","1") = "9"
    & skf18("4","7","7","9","7","1","1") = "8"
    & skf18("4","7","7","9","7","2","1") = "8"
    & skf18("4","7","7","9","7","3","1") = "8"
    & skf18("4","7","7","9","7","4","1") = "8"
    & skf18("4","7","7","9","7","5","1") = "8"
    & skf18("4","7","7","9","7","6","1") = "8"
    & skf18("4","7","7","9","7","7","1") = "8"
    & skf18("4","7","7","9","7","8","1") = "8"
    & skf18("4","7","7","9","7","9","1") = "8"
    & skf18("4","7","7","9","7","10","1") = "9"
    & skf18("4","7","7","9","8","1","1") = "8"
    & skf18("4","7","7","9","8","2","1") = "8"
    & skf18("4","7","7","9","8","3","1") = "8"
    & skf18("4","7","7","9","8","4","1") = "8"
    & skf18("4","7","7","9","8","5","1") = "8"
    & skf18("4","7","7","9","8","6","1") = "8"
    & skf18("4","7","7","9","8","7","1") = "8"
    & skf18("4","7","7","9","8","8","1") = "8"
    & skf18("4","7","7","9","8","9","1") = "8"
    & skf18("4","7","7","9","8","10","1") = "9"
    & skf18("4","7","7","9","9","1","1") = "8"
    & skf18("4","7","7","9","9","2","1") = "8"
    & skf18("4","7","7","9","9","3","1") = "8"
    & skf18("4","7","7","9","9","4","1") = "8"
    & skf18("4","7","7","9","9","5","1") = "8"
    & skf18("4","7","7","9","9","6","1") = "8"
    & skf18("4","7","7","9","9","7","1") = "8"
    & skf18("4","7","7","9","9","8","1") = "8"
    & skf18("4","7","7","9","9","9","1") = "8"
    & skf18("4","7","7","9","9","10","1") = "9"
    & skf18("4","7","7","9","10","1","1") = "9"
    & skf18("4","7","7","9","10","2","1") = "9"
    & skf18("4","7","7","9","10","3","1") = "9"
    & skf18("4","7","7","9","10","4","1") = "9"
    & skf18("4","7","7","9","10","5","1") = "9"
    & skf18("4","7","7","9","10","6","1") = "9"
    & skf18("4","7","7","9","10","7","1") = "9"
    & skf18("4","7","7","9","10","8","1") = "9"
    & skf18("4","7","7","9","10","9","1") = "9"
    & skf18("4","7","7","9","10","10","1") = "9"
    & skf18("4","7","7","10","1","1","1") = "9"
    & skf18("4","7","7","10","1","2","1") = "9"
    & skf18("4","7","7","10","1","3","1") = "9"
    & skf18("4","7","7","10","1","4","1") = "9"
    & skf18("4","7","7","10","1","5","1") = "9"
    & skf18("4","7","7","10","1","6","1") = "9"
    & skf18("4","7","7","10","1","7","1") = "9"
    & skf18("4","7","7","10","1","8","1") = "9"
    & skf18("4","7","7","10","1","9","1") = "9"
    & skf18("4","7","7","10","1","10","1") = "9"
    & skf18("4","7","7","10","2","1","1") = "9"
    & skf18("4","7","7","10","2","2","1") = "9"
    & skf18("4","7","7","10","2","3","1") = "9"
    & skf18("4","7","7","10","2","4","1") = "9"
    & skf18("4","7","7","10","2","5","1") = "9"
    & skf18("4","7","7","10","2","6","1") = "9"
    & skf18("4","7","7","10","2","7","1") = "9"
    & skf18("4","7","7","10","2","8","1") = "9"
    & skf18("4","7","7","10","2","9","1") = "9"
    & skf18("4","7","7","10","2","10","1") = "9"
    & skf18("4","7","7","10","3","1","1") = "9"
    & skf18("4","7","7","10","3","2","1") = "9"
    & skf18("4","7","7","10","3","3","1") = "9"
    & skf18("4","7","7","10","3","4","1") = "9"
    & skf18("4","7","7","10","3","5","1") = "9"
    & skf18("4","7","7","10","3","6","1") = "9"
    & skf18("4","7","7","10","3","7","1") = "9"
    & skf18("4","7","7","10","3","8","1") = "9"
    & skf18("4","7","7","10","3","9","1") = "9"
    & skf18("4","7","7","10","3","10","1") = "9"
    & skf18("4","7","7","10","4","1","1") = "9"
    & skf18("4","7","7","10","4","2","1") = "9"
    & skf18("4","7","7","10","4","3","1") = "9"
    & skf18("4","7","7","10","4","4","1") = "9"
    & skf18("4","7","7","10","4","5","1") = "9"
    & skf18("4","7","7","10","4","6","1") = "9"
    & skf18("4","7","7","10","4","7","1") = "9"
    & skf18("4","7","7","10","4","8","1") = "9"
    & skf18("4","7","7","10","4","9","1") = "9"
    & skf18("4","7","7","10","4","10","1") = "9"
    & skf18("4","7","7","10","5","1","1") = "9"
    & skf18("4","7","7","10","5","2","1") = "9"
    & skf18("4","7","7","10","5","3","1") = "9"
    & skf18("4","7","7","10","5","4","1") = "9"
    & skf18("4","7","7","10","5","5","1") = "9"
    & skf18("4","7","7","10","5","6","1") = "9"
    & skf18("4","7","7","10","5","7","1") = "9"
    & skf18("4","7","7","10","5","8","1") = "9"
    & skf18("4","7","7","10","5","9","1") = "9"
    & skf18("4","7","7","10","5","10","1") = "9"
    & skf18("4","7","7","10","6","1","1") = "9"
    & skf18("4","7","7","10","6","2","1") = "9"
    & skf18("4","7","7","10","6","3","1") = "9"
    & skf18("4","7","7","10","6","4","1") = "9"
    & skf18("4","7","7","10","6","5","1") = "9"
    & skf18("4","7","7","10","6","6","1") = "9"
    & skf18("4","7","7","10","6","7","1") = "9"
    & skf18("4","7","7","10","6","8","1") = "9"
    & skf18("4","7","7","10","6","9","1") = "9"
    & skf18("4","7","7","10","6","10","1") = "9"
    & skf18("4","7","7","10","7","1","1") = "9"
    & skf18("4","7","7","10","7","2","1") = "9"
    & skf18("4","7","7","10","7","3","1") = "9"
    & skf18("4","7","7","10","7","4","1") = "9"
    & skf18("4","7","7","10","7","5","1") = "9"
    & skf18("4","7","7","10","7","6","1") = "9"
    & skf18("4","7","7","10","7","7","1") = "9"
    & skf18("4","7","7","10","7","8","1") = "9"
    & skf18("4","7","7","10","7","9","1") = "9"
    & skf18("4","7","7","10","7","10","1") = "9"
    & skf18("4","7","7","10","8","1","1") = "9"
    & skf18("4","7","7","10","8","2","1") = "9"
    & skf18("4","7","7","10","8","3","1") = "9"
    & skf18("4","7","7","10","8","4","1") = "9"
    & skf18("4","7","7","10","8","5","1") = "9"
    & skf18("4","7","7","10","8","6","1") = "9"
    & skf18("4","7","7","10","8","7","1") = "9"
    & skf18("4","7","7","10","8","8","1") = "9"
    & skf18("4","7","7","10","8","9","1") = "9"
    & skf18("4","7","7","10","8","10","1") = "9"
    & skf18("4","7","7","10","9","1","1") = "9"
    & skf18("4","7","7","10","9","2","1") = "9"
    & skf18("4","7","7","10","9","3","1") = "9"
    & skf18("4","7","7","10","9","4","1") = "9"
    & skf18("4","7","7","10","9","5","1") = "9"
    & skf18("4","7","7","10","9","6","1") = "9"
    & skf18("4","7","7","10","9","7","1") = "9"
    & skf18("4","7","7","10","9","8","1") = "9"
    & skf18("4","7","7","10","9","9","1") = "9"
    & skf18("4","7","7","10","9","10","1") = "9"
    & skf18("4","7","7","10","10","1","1") = "9"
    & skf18("4","7","7","10","10","2","1") = "9"
    & skf18("4","7","7","10","10","3","1") = "9"
    & skf18("4","7","7","10","10","4","1") = "9"
    & skf18("4","7","7","10","10","5","1") = "9"
    & skf18("4","7","7","10","10","6","1") = "9"
    & skf18("4","7","7","10","10","7","1") = "9"
    & skf18("4","7","7","10","10","8","1") = "9"
    & skf18("4","7","7","10","10","9","1") = "9"
    & skf18("4","7","7","10","10","10","1") = "9"
    & skf18("4","7","8","1","1","1","1") = "7"
    & skf18("4","7","8","1","1","2","1") = "7"
    & skf18("4","7","8","1","1","3","1") = "7"
    & skf18("4","7","8","1","1","4","1") = "7"
    & skf18("4","7","8","1","1","5","1") = "7"
    & skf18("4","7","8","1","1","6","1") = "7"
    & skf18("4","7","8","1","1","7","1") = "7"
    & skf18("4","7","8","1","1","8","1") = "7"
    & skf18("4","7","8","1","1","9","1") = "8"
    & skf18("4","7","8","1","1","10","1") = "9"
    & skf18("4","7","8","1","2","1","1") = "7"
    & skf18("4","7","8","1","2","2","1") = "7"
    & skf18("4","7","8","1","2","3","1") = "7"
    & skf18("4","7","8","1","2","4","1") = "7"
    & skf18("4","7","8","1","2","5","1") = "7"
    & skf18("4","7","8","1","2","6","1") = "7"
    & skf18("4","7","8","1","2","7","1") = "7"
    & skf18("4","7","8","1","2","8","1") = "7"
    & skf18("4","7","8","1","2","9","1") = "8"
    & skf18("4","7","8","1","2","10","1") = "9"
    & skf18("4","7","8","1","3","1","1") = "7"
    & skf18("4","7","8","1","3","2","1") = "7"
    & skf18("4","7","8","1","3","3","1") = "7"
    & skf18("4","7","8","1","3","4","1") = "7"
    & skf18("4","7","8","1","3","5","1") = "7"
    & skf18("4","7","8","1","3","6","1") = "7"
    & skf18("4","7","8","1","3","7","1") = "7"
    & skf18("4","7","8","1","3","8","1") = "7"
    & skf18("4","7","8","1","3","9","1") = "8"
    & skf18("4","7","8","1","3","10","1") = "9"
    & skf18("4","7","8","1","4","1","1") = "7"
    & skf18("4","7","8","1","4","2","1") = "7"
    & skf18("4","7","8","1","4","3","1") = "7"
    & skf18("4","7","8","1","4","4","1") = "7"
    & skf18("4","7","8","1","4","5","1") = "7"
    & skf18("4","7","8","1","4","6","1") = "7"
    & skf18("4","7","8","1","4","7","1") = "7"
    & skf18("4","7","8","1","4","8","1") = "7"
    & skf18("4","7","8","1","4","9","1") = "8"
    & skf18("4","7","8","1","4","10","1") = "9"
    & skf18("4","7","8","1","5","1","1") = "7"
    & skf18("4","7","8","1","5","2","1") = "7"
    & skf18("4","7","8","1","5","3","1") = "7"
    & skf18("4","7","8","1","5","4","1") = "7"
    & skf18("4","7","8","1","5","5","1") = "7"
    & skf18("4","7","8","1","5","6","1") = "7"
    & skf18("4","7","8","1","5","7","1") = "7"
    & skf18("4","7","8","1","5","8","1") = "7"
    & skf18("4","7","8","1","5","9","1") = "8"
    & skf18("4","7","8","1","5","10","1") = "9"
    & skf18("4","7","8","1","6","1","1") = "7"
    & skf18("4","7","8","1","6","2","1") = "7"
    & skf18("4","7","8","1","6","3","1") = "7"
    & skf18("4","7","8","1","6","4","1") = "7"
    & skf18("4","7","8","1","6","5","1") = "7"
    & skf18("4","7","8","1","6","6","1") = "7"
    & skf18("4","7","8","1","6","7","1") = "7"
    & skf18("4","7","8","1","6","8","1") = "7"
    & skf18("4","7","8","1","6","9","1") = "8"
    & skf18("4","7","8","1","6","10","1") = "9"
    & skf18("4","7","8","1","7","1","1") = "7"
    & skf18("4","7","8","1","7","2","1") = "7"
    & skf18("4","7","8","1","7","3","1") = "7"
    & skf18("4","7","8","1","7","4","1") = "7"
    & skf18("4","7","8","1","7","5","1") = "7"
    & skf18("4","7","8","1","7","6","1") = "7"
    & skf18("4","7","8","1","7","7","1") = "7"
    & skf18("4","7","8","1","7","8","1") = "7"
    & skf18("4","7","8","1","7","9","1") = "8"
    & skf18("4","7","8","1","7","10","1") = "9"
    & skf18("4","7","8","1","8","1","1") = "7"
    & skf18("4","7","8","1","8","2","1") = "7"
    & skf18("4","7","8","1","8","3","1") = "7"
    & skf18("4","7","8","1","8","4","1") = "7"
    & skf18("4","7","8","1","8","5","1") = "7"
    & skf18("4","7","8","1","8","6","1") = "7"
    & skf18("4","7","8","1","8","7","1") = "7"
    & skf18("4","7","8","1","8","8","1") = "7"
    & skf18("4","7","8","1","8","9","1") = "8"
    & skf18("4","7","8","1","8","10","1") = "9"
    & skf18("4","7","8","1","9","1","1") = "8"
    & skf18("4","7","8","1","9","2","1") = "8"
    & skf18("4","7","8","1","9","3","1") = "8"
    & skf18("4","7","8","1","9","4","1") = "8"
    & skf18("4","7","8","1","9","5","1") = "8"
    & skf18("4","7","8","1","9","6","1") = "8"
    & skf18("4","7","8","1","9","7","1") = "8"
    & skf18("4","7","8","1","9","8","1") = "8"
    & skf18("4","7","8","1","9","9","1") = "8"
    & skf18("4","7","8","1","9","10","1") = "9"
    & skf18("4","7","8","1","10","1","1") = "9"
    & skf18("4","7","8","1","10","2","1") = "9"
    & skf18("4","7","8","1","10","3","1") = "9"
    & skf18("4","7","8","1","10","4","1") = "9"
    & skf18("4","7","8","1","10","5","1") = "9"
    & skf18("4","7","8","1","10","6","1") = "9"
    & skf18("4","7","8","1","10","7","1") = "9"
    & skf18("4","7","8","1","10","8","1") = "9"
    & skf18("4","7","8","1","10","9","1") = "9"
    & skf18("4","7","8","1","10","10","1") = "9"
    & skf18("4","7","8","2","1","1","1") = "7"
    & skf18("4","7","8","2","1","2","1") = "7"
    & skf18("4","7","8","2","1","3","1") = "7"
    & skf18("4","7","8","2","1","4","1") = "7"
    & skf18("4","7","8","2","1","5","1") = "7"
    & skf18("4","7","8","2","1","6","1") = "7"
    & skf18("4","7","8","2","1","7","1") = "7"
    & skf18("4","7","8","2","1","8","1") = "7"
    & skf18("4","7","8","2","1","9","1") = "8"
    & skf18("4","7","8","2","1","10","1") = "9"
    & skf18("4","7","8","2","2","1","1") = "7"
    & skf18("4","7","8","2","2","2","1") = "7"
    & skf18("4","7","8","2","2","3","1") = "7"
    & skf18("4","7","8","2","2","4","1") = "7"
    & skf18("4","7","8","2","2","5","1") = "7"
    & skf18("4","7","8","2","2","6","1") = "7"
    & skf18("4","7","8","2","2","7","1") = "7"
    & skf18("4","7","8","2","2","8","1") = "7"
    & skf18("4","7","8","2","2","9","1") = "8"
    & skf18("4","7","8","2","2","10","1") = "9"
    & skf18("4","7","8","2","3","1","1") = "7"
    & skf18("4","7","8","2","3","2","1") = "7"
    & skf18("4","7","8","2","3","3","1") = "7"
    & skf18("4","7","8","2","3","4","1") = "7"
    & skf18("4","7","8","2","3","5","1") = "7"
    & skf18("4","7","8","2","3","6","1") = "7"
    & skf18("4","7","8","2","3","7","1") = "7"
    & skf18("4","7","8","2","3","8","1") = "7"
    & skf18("4","7","8","2","3","9","1") = "8"
    & skf18("4","7","8","2","3","10","1") = "9"
    & skf18("4","7","8","2","4","1","1") = "7"
    & skf18("4","7","8","2","4","2","1") = "7"
    & skf18("4","7","8","2","4","3","1") = "7"
    & skf18("4","7","8","2","4","4","1") = "7"
    & skf18("4","7","8","2","4","5","1") = "7"
    & skf18("4","7","8","2","4","6","1") = "7"
    & skf18("4","7","8","2","4","7","1") = "7"
    & skf18("4","7","8","2","4","8","1") = "7"
    & skf18("4","7","8","2","4","9","1") = "8"
    & skf18("4","7","8","2","4","10","1") = "9"
    & skf18("4","7","8","2","5","1","1") = "7"
    & skf18("4","7","8","2","5","2","1") = "7"
    & skf18("4","7","8","2","5","3","1") = "7"
    & skf18("4","7","8","2","5","4","1") = "7"
    & skf18("4","7","8","2","5","5","1") = "7"
    & skf18("4","7","8","2","5","6","1") = "7"
    & skf18("4","7","8","2","5","7","1") = "7"
    & skf18("4","7","8","2","5","8","1") = "7"
    & skf18("4","7","8","2","5","9","1") = "8"
    & skf18("4","7","8","2","5","10","1") = "9"
    & skf18("4","7","8","2","6","1","1") = "7"
    & skf18("4","7","8","2","6","2","1") = "7"
    & skf18("4","7","8","2","6","3","1") = "7"
    & skf18("4","7","8","2","6","4","1") = "7"
    & skf18("4","7","8","2","6","5","1") = "7"
    & skf18("4","7","8","2","6","6","1") = "7"
    & skf18("4","7","8","2","6","7","1") = "7"
    & skf18("4","7","8","2","6","8","1") = "7"
    & skf18("4","7","8","2","6","9","1") = "8"
    & skf18("4","7","8","2","6","10","1") = "9"
    & skf18("4","7","8","2","7","1","1") = "7"
    & skf18("4","7","8","2","7","2","1") = "7"
    & skf18("4","7","8","2","7","3","1") = "7"
    & skf18("4","7","8","2","7","4","1") = "7"
    & skf18("4","7","8","2","7","5","1") = "7"
    & skf18("4","7","8","2","7","6","1") = "7"
    & skf18("4","7","8","2","7","7","1") = "7"
    & skf18("4","7","8","2","7","8","1") = "7"
    & skf18("4","7","8","2","7","9","1") = "8"
    & skf18("4","7","8","2","7","10","1") = "9"
    & skf18("4","7","8","2","8","1","1") = "7"
    & skf18("4","7","8","2","8","2","1") = "7"
    & skf18("4","7","8","2","8","3","1") = "7"
    & skf18("4","7","8","2","8","4","1") = "7"
    & skf18("4","7","8","2","8","5","1") = "7"
    & skf18("4","7","8","2","8","6","1") = "7"
    & skf18("4","7","8","2","8","7","1") = "7"
    & skf18("4","7","8","2","8","8","1") = "7"
    & skf18("4","7","8","2","8","9","1") = "8"
    & skf18("4","7","8","2","8","10","1") = "9"
    & skf18("4","7","8","2","9","1","1") = "8"
    & skf18("4","7","8","2","9","2","1") = "8"
    & skf18("4","7","8","2","9","3","1") = "8"
    & skf18("4","7","8","2","9","4","1") = "8"
    & skf18("4","7","8","2","9","5","1") = "8"
    & skf18("4","7","8","2","9","6","1") = "8"
    & skf18("4","7","8","2","9","7","1") = "8"
    & skf18("4","7","8","2","9","8","1") = "8"
    & skf18("4","7","8","2","9","9","1") = "8"
    & skf18("4","7","8","2","9","10","1") = "9"
    & skf18("4","7","8","2","10","1","1") = "9"
    & skf18("4","7","8","2","10","2","1") = "9"
    & skf18("4","7","8","2","10","3","1") = "9"
    & skf18("4","7","8","2","10","4","1") = "9"
    & skf18("4","7","8","2","10","5","1") = "9"
    & skf18("4","7","8","2","10","6","1") = "9"
    & skf18("4","7","8","2","10","7","1") = "9"
    & skf18("4","7","8","2","10","8","1") = "9"
    & skf18("4","7","8","2","10","9","1") = "9"
    & skf18("4","7","8","2","10","10","1") = "9"
    & skf18("4","7","8","3","1","1","1") = "7"
    & skf18("4","7","8","3","1","2","1") = "7"
    & skf18("4","7","8","3","1","3","1") = "7"
    & skf18("4","7","8","3","1","4","1") = "7"
    & skf18("4","7","8","3","1","5","1") = "7"
    & skf18("4","7","8","3","1","6","1") = "7"
    & skf18("4","7","8","3","1","7","1") = "7"
    & skf18("4","7","8","3","1","8","1") = "7"
    & skf18("4","7","8","3","1","9","1") = "8"
    & skf18("4","7","8","3","1","10","1") = "9"
    & skf18("4","7","8","3","2","1","1") = "7"
    & skf18("4","7","8","3","2","2","1") = "7"
    & skf18("4","7","8","3","2","3","1") = "7"
    & skf18("4","7","8","3","2","4","1") = "7"
    & skf18("4","7","8","3","2","5","1") = "7"
    & skf18("4","7","8","3","2","6","1") = "7"
    & skf18("4","7","8","3","2","7","1") = "7"
    & skf18("4","7","8","3","2","8","1") = "7"
    & skf18("4","7","8","3","2","9","1") = "8"
    & skf18("4","7","8","3","2","10","1") = "9"
    & skf18("4","7","8","3","3","1","1") = "7"
    & skf18("4","7","8","3","3","2","1") = "7"
    & skf18("4","7","8","3","3","3","1") = "7"
    & skf18("4","7","8","3","3","4","1") = "7"
    & skf18("4","7","8","3","3","5","1") = "7"
    & skf18("4","7","8","3","3","6","1") = "7"
    & skf18("4","7","8","3","3","7","1") = "7"
    & skf18("4","7","8","3","3","8","1") = "7"
    & skf18("4","7","8","3","3","9","1") = "8"
    & skf18("4","7","8","3","3","10","1") = "9"
    & skf18("4","7","8","3","4","1","1") = "7"
    & skf18("4","7","8","3","4","2","1") = "7"
    & skf18("4","7","8","3","4","3","1") = "7"
    & skf18("4","7","8","3","4","4","1") = "7"
    & skf18("4","7","8","3","4","5","1") = "7"
    & skf18("4","7","8","3","4","6","1") = "7"
    & skf18("4","7","8","3","4","7","1") = "7"
    & skf18("4","7","8","3","4","8","1") = "7"
    & skf18("4","7","8","3","4","9","1") = "8"
    & skf18("4","7","8","3","4","10","1") = "9"
    & skf18("4","7","8","3","5","1","1") = "7"
    & skf18("4","7","8","3","5","2","1") = "7"
    & skf18("4","7","8","3","5","3","1") = "7"
    & skf18("4","7","8","3","5","4","1") = "7"
    & skf18("4","7","8","3","5","5","1") = "7"
    & skf18("4","7","8","3","5","6","1") = "7"
    & skf18("4","7","8","3","5","7","1") = "7"
    & skf18("4","7","8","3","5","8","1") = "7"
    & skf18("4","7","8","3","5","9","1") = "8"
    & skf18("4","7","8","3","5","10","1") = "9"
    & skf18("4","7","8","3","6","1","1") = "7"
    & skf18("4","7","8","3","6","2","1") = "7"
    & skf18("4","7","8","3","6","3","1") = "7"
    & skf18("4","7","8","3","6","4","1") = "7"
    & skf18("4","7","8","3","6","5","1") = "7"
    & skf18("4","7","8","3","6","6","1") = "7"
    & skf18("4","7","8","3","6","7","1") = "7"
    & skf18("4","7","8","3","6","8","1") = "7"
    & skf18("4","7","8","3","6","9","1") = "8"
    & skf18("4","7","8","3","6","10","1") = "9"
    & skf18("4","7","8","3","7","1","1") = "7"
    & skf18("4","7","8","3","7","2","1") = "7"
    & skf18("4","7","8","3","7","3","1") = "7"
    & skf18("4","7","8","3","7","4","1") = "7"
    & skf18("4","7","8","3","7","5","1") = "7"
    & skf18("4","7","8","3","7","6","1") = "7"
    & skf18("4","7","8","3","7","7","1") = "7"
    & skf18("4","7","8","3","7","8","1") = "7"
    & skf18("4","7","8","3","7","9","1") = "8"
    & skf18("4","7","8","3","7","10","1") = "9"
    & skf18("4","7","8","3","8","1","1") = "7"
    & skf18("4","7","8","3","8","2","1") = "7"
    & skf18("4","7","8","3","8","3","1") = "7"
    & skf18("4","7","8","3","8","4","1") = "7"
    & skf18("4","7","8","3","8","5","1") = "7"
    & skf18("4","7","8","3","8","6","1") = "7"
    & skf18("4","7","8","3","8","7","1") = "7"
    & skf18("4","7","8","3","8","8","1") = "7"
    & skf18("4","7","8","3","8","9","1") = "8"
    & skf18("4","7","8","3","8","10","1") = "9"
    & skf18("4","7","8","3","9","1","1") = "8"
    & skf18("4","7","8","3","9","2","1") = "8"
    & skf18("4","7","8","3","9","3","1") = "8"
    & skf18("4","7","8","3","9","4","1") = "8"
    & skf18("4","7","8","3","9","5","1") = "8"
    & skf18("4","7","8","3","9","6","1") = "8"
    & skf18("4","7","8","3","9","7","1") = "8"
    & skf18("4","7","8","3","9","8","1") = "8"
    & skf18("4","7","8","3","9","9","1") = "8"
    & skf18("4","7","8","3","9","10","1") = "9"
    & skf18("4","7","8","3","10","1","1") = "9"
    & skf18("4","7","8","3","10","2","1") = "9"
    & skf18("4","7","8","3","10","3","1") = "9"
    & skf18("4","7","8","3","10","4","1") = "9"
    & skf18("4","7","8","3","10","5","1") = "9"
    & skf18("4","7","8","3","10","6","1") = "9"
    & skf18("4","7","8","3","10","7","1") = "9"
    & skf18("4","7","8","3","10","8","1") = "9"
    & skf18("4","7","8","3","10","9","1") = "9"
    & skf18("4","7","8","3","10","10","1") = "9"
    & skf18("4","7","8","4","1","1","1") = "7"
    & skf18("4","7","8","4","1","2","1") = "7"
    & skf18("4","7","8","4","1","3","1") = "7"
    & skf18("4","7","8","4","1","4","1") = "7"
    & skf18("4","7","8","4","1","5","1") = "7"
    & skf18("4","7","8","4","1","6","1") = "7"
    & skf18("4","7","8","4","1","7","1") = "7"
    & skf18("4","7","8","4","1","8","1") = "7"
    & skf18("4","7","8","4","1","9","1") = "8"
    & skf18("4","7","8","4","1","10","1") = "9"
    & skf18("4","7","8","4","2","1","1") = "7"
    & skf18("4","7","8","4","2","2","1") = "7"
    & skf18("4","7","8","4","2","3","1") = "7"
    & skf18("4","7","8","4","2","4","1") = "7"
    & skf18("4","7","8","4","2","5","1") = "7"
    & skf18("4","7","8","4","2","6","1") = "7"
    & skf18("4","7","8","4","2","7","1") = "7"
    & skf18("4","7","8","4","2","8","1") = "7"
    & skf18("4","7","8","4","2","9","1") = "8"
    & skf18("4","7","8","4","2","10","1") = "9"
    & skf18("4","7","8","4","3","1","1") = "7"
    & skf18("4","7","8","4","3","2","1") = "7"
    & skf18("4","7","8","4","3","3","1") = "7"
    & skf18("4","7","8","4","3","4","1") = "7"
    & skf18("4","7","8","4","3","5","1") = "7"
    & skf18("4","7","8","4","3","6","1") = "7"
    & skf18("4","7","8","4","3","7","1") = "7"
    & skf18("4","7","8","4","3","8","1") = "7"
    & skf18("4","7","8","4","3","9","1") = "8"
    & skf18("4","7","8","4","3","10","1") = "9"
    & skf18("4","7","8","4","4","1","1") = "7"
    & skf18("4","7","8","4","4","2","1") = "7"
    & skf18("4","7","8","4","4","3","1") = "7"
    & skf18("4","7","8","4","4","4","1") = "7"
    & skf18("4","7","8","4","4","5","1") = "7"
    & skf18("4","7","8","4","4","6","1") = "7"
    & skf18("4","7","8","4","4","7","1") = "7"
    & skf18("4","7","8","4","4","8","1") = "7"
    & skf18("4","7","8","4","4","9","1") = "8"
    & skf18("4","7","8","4","4","10","1") = "9"
    & skf18("4","7","8","4","5","1","1") = "7"
    & skf18("4","7","8","4","5","2","1") = "7"
    & skf18("4","7","8","4","5","3","1") = "7"
    & skf18("4","7","8","4","5","4","1") = "7"
    & skf18("4","7","8","4","5","5","1") = "7"
    & skf18("4","7","8","4","5","6","1") = "7"
    & skf18("4","7","8","4","5","7","1") = "7"
    & skf18("4","7","8","4","5","8","1") = "7"
    & skf18("4","7","8","4","5","9","1") = "8"
    & skf18("4","7","8","4","5","10","1") = "9"
    & skf18("4","7","8","4","6","1","1") = "7"
    & skf18("4","7","8","4","6","2","1") = "7"
    & skf18("4","7","8","4","6","3","1") = "7"
    & skf18("4","7","8","4","6","4","1") = "7"
    & skf18("4","7","8","4","6","5","1") = "7"
    & skf18("4","7","8","4","6","6","1") = "7"
    & skf18("4","7","8","4","6","7","1") = "7"
    & skf18("4","7","8","4","6","8","1") = "7"
    & skf18("4","7","8","4","6","9","1") = "8"
    & skf18("4","7","8","4","6","10","1") = "9"
    & skf18("4","7","8","4","7","1","1") = "7"
    & skf18("4","7","8","4","7","2","1") = "7"
    & skf18("4","7","8","4","7","3","1") = "7"
    & skf18("4","7","8","4","7","4","1") = "7"
    & skf18("4","7","8","4","7","5","1") = "7"
    & skf18("4","7","8","4","7","6","1") = "7"
    & skf18("4","7","8","4","7","7","1") = "7"
    & skf18("4","7","8","4","7","8","1") = "7"
    & skf18("4","7","8","4","7","9","1") = "8"
    & skf18("4","7","8","4","7","10","1") = "9"
    & skf18("4","7","8","4","8","1","1") = "7"
    & skf18("4","7","8","4","8","2","1") = "7"
    & skf18("4","7","8","4","8","3","1") = "7"
    & skf18("4","7","8","4","8","4","1") = "7"
    & skf18("4","7","8","4","8","5","1") = "7"
    & skf18("4","7","8","4","8","6","1") = "7"
    & skf18("4","7","8","4","8","7","1") = "7"
    & skf18("4","7","8","4","8","8","1") = "7"
    & skf18("4","7","8","4","8","9","1") = "8"
    & skf18("4","7","8","4","8","10","1") = "9"
    & skf18("4","7","8","4","9","1","1") = "8"
    & skf18("4","7","8","4","9","2","1") = "8"
    & skf18("4","7","8","4","9","3","1") = "8"
    & skf18("4","7","8","4","9","4","1") = "8"
    & skf18("4","7","8","4","9","5","1") = "8"
    & skf18("4","7","8","4","9","6","1") = "8"
    & skf18("4","7","8","4","9","7","1") = "8"
    & skf18("4","7","8","4","9","8","1") = "8"
    & skf18("4","7","8","4","9","9","1") = "8"
    & skf18("4","7","8","4","9","10","1") = "9"
    & skf18("4","7","8","4","10","1","1") = "9"
    & skf18("4","7","8","4","10","2","1") = "9"
    & skf18("4","7","8","4","10","3","1") = "9"
    & skf18("4","7","8","4","10","4","1") = "9"
    & skf18("4","7","8","4","10","5","1") = "9"
    & skf18("4","7","8","4","10","6","1") = "9"
    & skf18("4","7","8","4","10","7","1") = "9"
    & skf18("4","7","8","4","10","8","1") = "9"
    & skf18("4","7","8","4","10","9","1") = "9"
    & skf18("4","7","8","4","10","10","1") = "9"
    & skf18("4","7","8","5","1","1","1") = "7"
    & skf18("4","7","8","5","1","2","1") = "7"
    & skf18("4","7","8","5","1","3","1") = "7"
    & skf18("4","7","8","5","1","4","1") = "7"
    & skf18("4","7","8","5","1","5","1") = "7"
    & skf18("4","7","8","5","1","6","1") = "7"
    & skf18("4","7","8","5","1","7","1") = "7"
    & skf18("4","7","8","5","1","8","1") = "7"
    & skf18("4","7","8","5","1","9","1") = "8"
    & skf18("4","7","8","5","1","10","1") = "9"
    & skf18("4","7","8","5","2","1","1") = "7"
    & skf18("4","7","8","5","2","2","1") = "7"
    & skf18("4","7","8","5","2","3","1") = "7"
    & skf18("4","7","8","5","2","4","1") = "7"
    & skf18("4","7","8","5","2","5","1") = "7"
    & skf18("4","7","8","5","2","6","1") = "7"
    & skf18("4","7","8","5","2","7","1") = "7"
    & skf18("4","7","8","5","2","8","1") = "7"
    & skf18("4","7","8","5","2","9","1") = "8"
    & skf18("4","7","8","5","2","10","1") = "9"
    & skf18("4","7","8","5","3","1","1") = "7"
    & skf18("4","7","8","5","3","2","1") = "7"
    & skf18("4","7","8","5","3","3","1") = "7"
    & skf18("4","7","8","5","3","4","1") = "7"
    & skf18("4","7","8","5","3","5","1") = "7"
    & skf18("4","7","8","5","3","6","1") = "7"
    & skf18("4","7","8","5","3","7","1") = "7"
    & skf18("4","7","8","5","3","8","1") = "7"
    & skf18("4","7","8","5","3","9","1") = "8"
    & skf18("4","7","8","5","3","10","1") = "9"
    & skf18("4","7","8","5","4","1","1") = "7"
    & skf18("4","7","8","5","4","2","1") = "7"
    & skf18("4","7","8","5","4","3","1") = "7"
    & skf18("4","7","8","5","4","4","1") = "7"
    & skf18("4","7","8","5","4","5","1") = "7"
    & skf18("4","7","8","5","4","6","1") = "7"
    & skf18("4","7","8","5","4","7","1") = "7"
    & skf18("4","7","8","5","4","8","1") = "7"
    & skf18("4","7","8","5","4","9","1") = "8"
    & skf18("4","7","8","5","4","10","1") = "9"
    & skf18("4","7","8","5","5","1","1") = "7"
    & skf18("4","7","8","5","5","2","1") = "7"
    & skf18("4","7","8","5","5","3","1") = "7"
    & skf18("4","7","8","5","5","4","1") = "7"
    & skf18("4","7","8","5","5","5","1") = "7"
    & skf18("4","7","8","5","5","6","1") = "7"
    & skf18("4","7","8","5","5","7","1") = "7"
    & skf18("4","7","8","5","5","8","1") = "7"
    & skf18("4","7","8","5","5","9","1") = "8"
    & skf18("4","7","8","5","5","10","1") = "9"
    & skf18("4","7","8","5","6","1","1") = "7"
    & skf18("4","7","8","5","6","2","1") = "7"
    & skf18("4","7","8","5","6","3","1") = "7"
    & skf18("4","7","8","5","6","4","1") = "7"
    & skf18("4","7","8","5","6","5","1") = "7"
    & skf18("4","7","8","5","6","6","1") = "7"
    & skf18("4","7","8","5","6","7","1") = "7"
    & skf18("4","7","8","5","6","8","1") = "7"
    & skf18("4","7","8","5","6","9","1") = "8"
    & skf18("4","7","8","5","6","10","1") = "9"
    & skf18("4","7","8","5","7","1","1") = "7"
    & skf18("4","7","8","5","7","2","1") = "7"
    & skf18("4","7","8","5","7","3","1") = "7"
    & skf18("4","7","8","5","7","4","1") = "7"
    & skf18("4","7","8","5","7","5","1") = "7"
    & skf18("4","7","8","5","7","6","1") = "7"
    & skf18("4","7","8","5","7","7","1") = "7"
    & skf18("4","7","8","5","7","8","1") = "7"
    & skf18("4","7","8","5","7","9","1") = "8"
    & skf18("4","7","8","5","7","10","1") = "9"
    & skf18("4","7","8","5","8","1","1") = "7"
    & skf18("4","7","8","5","8","2","1") = "7"
    & skf18("4","7","8","5","8","3","1") = "7"
    & skf18("4","7","8","5","8","4","1") = "7"
    & skf18("4","7","8","5","8","5","1") = "7"
    & skf18("4","7","8","5","8","6","1") = "7"
    & skf18("4","7","8","5","8","7","1") = "7"
    & skf18("4","7","8","5","8","8","1") = "7"
    & skf18("4","7","8","5","8","9","1") = "8"
    & skf18("4","7","8","5","8","10","1") = "9"
    & skf18("4","7","8","5","9","1","1") = "8"
    & skf18("4","7","8","5","9","2","1") = "8"
    & skf18("4","7","8","5","9","3","1") = "8"
    & skf18("4","7","8","5","9","4","1") = "8"
    & skf18("4","7","8","5","9","5","1") = "8"
    & skf18("4","7","8","5","9","6","1") = "8"
    & skf18("4","7","8","5","9","7","1") = "8"
    & skf18("4","7","8","5","9","8","1") = "8"
    & skf18("4","7","8","5","9","9","1") = "8"
    & skf18("4","7","8","5","9","10","1") = "9"
    & skf18("4","7","8","5","10","1","1") = "9"
    & skf18("4","7","8","5","10","2","1") = "9"
    & skf18("4","7","8","5","10","3","1") = "9"
    & skf18("4","7","8","5","10","4","1") = "9"
    & skf18("4","7","8","5","10","5","1") = "9"
    & skf18("4","7","8","5","10","6","1") = "9"
    & skf18("4","7","8","5","10","7","1") = "9"
    & skf18("4","7","8","5","10","8","1") = "9"
    & skf18("4","7","8","5","10","9","1") = "9"
    & skf18("4","7","8","5","10","10","1") = "9"
    & skf18("4","7","8","6","1","1","1") = "7"
    & skf18("4","7","8","6","1","2","1") = "7"
    & skf18("4","7","8","6","1","3","1") = "7"
    & skf18("4","7","8","6","1","4","1") = "7"
    & skf18("4","7","8","6","1","5","1") = "7"
    & skf18("4","7","8","6","1","6","1") = "7"
    & skf18("4","7","8","6","1","7","1") = "7"
    & skf18("4","7","8","6","1","8","1") = "7"
    & skf18("4","7","8","6","1","9","1") = "8"
    & skf18("4","7","8","6","1","10","1") = "9"
    & skf18("4","7","8","6","2","1","1") = "7"
    & skf18("4","7","8","6","2","2","1") = "7"
    & skf18("4","7","8","6","2","3","1") = "7"
    & skf18("4","7","8","6","2","4","1") = "7"
    & skf18("4","7","8","6","2","5","1") = "7"
    & skf18("4","7","8","6","2","6","1") = "7"
    & skf18("4","7","8","6","2","7","1") = "7"
    & skf18("4","7","8","6","2","8","1") = "7"
    & skf18("4","7","8","6","2","9","1") = "8"
    & skf18("4","7","8","6","2","10","1") = "9"
    & skf18("4","7","8","6","3","1","1") = "7"
    & skf18("4","7","8","6","3","2","1") = "7"
    & skf18("4","7","8","6","3","3","1") = "7"
    & skf18("4","7","8","6","3","4","1") = "7"
    & skf18("4","7","8","6","3","5","1") = "7"
    & skf18("4","7","8","6","3","6","1") = "7"
    & skf18("4","7","8","6","3","7","1") = "7"
    & skf18("4","7","8","6","3","8","1") = "7"
    & skf18("4","7","8","6","3","9","1") = "8"
    & skf18("4","7","8","6","3","10","1") = "9"
    & skf18("4","7","8","6","4","1","1") = "7"
    & skf18("4","7","8","6","4","2","1") = "7"
    & skf18("4","7","8","6","4","3","1") = "7"
    & skf18("4","7","8","6","4","4","1") = "7"
    & skf18("4","7","8","6","4","5","1") = "7"
    & skf18("4","7","8","6","4","6","1") = "7"
    & skf18("4","7","8","6","4","7","1") = "7"
    & skf18("4","7","8","6","4","8","1") = "7"
    & skf18("4","7","8","6","4","9","1") = "8"
    & skf18("4","7","8","6","4","10","1") = "9"
    & skf18("4","7","8","6","5","1","1") = "7"
    & skf18("4","7","8","6","5","2","1") = "7"
    & skf18("4","7","8","6","5","3","1") = "7"
    & skf18("4","7","8","6","5","4","1") = "7"
    & skf18("4","7","8","6","5","5","1") = "7"
    & skf18("4","7","8","6","5","6","1") = "7"
    & skf18("4","7","8","6","5","7","1") = "7"
    & skf18("4","7","8","6","5","8","1") = "7"
    & skf18("4","7","8","6","5","9","1") = "8"
    & skf18("4","7","8","6","5","10","1") = "9"
    & skf18("4","7","8","6","6","1","1") = "7"
    & skf18("4","7","8","6","6","2","1") = "7"
    & skf18("4","7","8","6","6","3","1") = "7"
    & skf18("4","7","8","6","6","4","1") = "7"
    & skf18("4","7","8","6","6","5","1") = "7"
    & skf18("4","7","8","6","6","6","1") = "7"
    & skf18("4","7","8","6","6","7","1") = "7"
    & skf18("4","7","8","6","6","8","1") = "7"
    & skf18("4","7","8","6","6","9","1") = "8"
    & skf18("4","7","8","6","6","10","1") = "9"
    & skf18("4","7","8","6","7","1","1") = "7"
    & skf18("4","7","8","6","7","2","1") = "7"
    & skf18("4","7","8","6","7","3","1") = "7"
    & skf18("4","7","8","6","7","4","1") = "7"
    & skf18("4","7","8","6","7","5","1") = "7"
    & skf18("4","7","8","6","7","6","1") = "7"
    & skf18("4","7","8","6","7","7","1") = "7"
    & skf18("4","7","8","6","7","8","1") = "7"
    & skf18("4","7","8","6","7","9","1") = "8"
    & skf18("4","7","8","6","7","10","1") = "9"
    & skf18("4","7","8","6","8","1","1") = "7"
    & skf18("4","7","8","6","8","2","1") = "7"
    & skf18("4","7","8","6","8","3","1") = "7"
    & skf18("4","7","8","6","8","4","1") = "7"
    & skf18("4","7","8","6","8","5","1") = "7"
    & skf18("4","7","8","6","8","6","1") = "7"
    & skf18("4","7","8","6","8","7","1") = "7"
    & skf18("4","7","8","6","8","8","1") = "7"
    & skf18("4","7","8","6","8","9","1") = "8"
    & skf18("4","7","8","6","8","10","1") = "9"
    & skf18("4","7","8","6","9","1","1") = "8"
    & skf18("4","7","8","6","9","2","1") = "8"
    & skf18("4","7","8","6","9","3","1") = "8"
    & skf18("4","7","8","6","9","4","1") = "8"
    & skf18("4","7","8","6","9","5","1") = "8"
    & skf18("4","7","8","6","9","6","1") = "8"
    & skf18("4","7","8","6","9","7","1") = "8"
    & skf18("4","7","8","6","9","8","1") = "8"
    & skf18("4","7","8","6","9","9","1") = "8"
    & skf18("4","7","8","6","9","10","1") = "9"
    & skf18("4","7","8","6","10","1","1") = "9"
    & skf18("4","7","8","6","10","2","1") = "9"
    & skf18("4","7","8","6","10","3","1") = "9"
    & skf18("4","7","8","6","10","4","1") = "9"
    & skf18("4","7","8","6","10","5","1") = "9"
    & skf18("4","7","8","6","10","6","1") = "9"
    & skf18("4","7","8","6","10","7","1") = "9"
    & skf18("4","7","8","6","10","8","1") = "9"
    & skf18("4","7","8","6","10","9","1") = "9"
    & skf18("4","7","8","6","10","10","1") = "9"
    & skf18("4","7","8","7","1","1","1") = "7"
    & skf18("4","7","8","7","1","2","1") = "7"
    & skf18("4","7","8","7","1","3","1") = "7"
    & skf18("4","7","8","7","1","4","1") = "7"
    & skf18("4","7","8","7","1","5","1") = "7"
    & skf18("4","7","8","7","1","6","1") = "7"
    & skf18("4","7","8","7","1","7","1") = "7"
    & skf18("4","7","8","7","1","8","1") = "7"
    & skf18("4","7","8","7","1","9","1") = "8"
    & skf18("4","7","8","7","1","10","1") = "9"
    & skf18("4","7","8","7","2","1","1") = "7"
    & skf18("4","7","8","7","2","2","1") = "7"
    & skf18("4","7","8","7","2","3","1") = "7"
    & skf18("4","7","8","7","2","4","1") = "7"
    & skf18("4","7","8","7","2","5","1") = "7"
    & skf18("4","7","8","7","2","6","1") = "7"
    & skf18("4","7","8","7","2","7","1") = "7"
    & skf18("4","7","8","7","2","8","1") = "7"
    & skf18("4","7","8","7","2","9","1") = "8"
    & skf18("4","7","8","7","2","10","1") = "9"
    & skf18("4","7","8","7","3","1","1") = "7"
    & skf18("4","7","8","7","3","2","1") = "7"
    & skf18("4","7","8","7","3","3","1") = "7"
    & skf18("4","7","8","7","3","4","1") = "7"
    & skf18("4","7","8","7","3","5","1") = "7"
    & skf18("4","7","8","7","3","6","1") = "7"
    & skf18("4","7","8","7","3","7","1") = "7"
    & skf18("4","7","8","7","3","8","1") = "7"
    & skf18("4","7","8","7","3","9","1") = "8"
    & skf18("4","7","8","7","3","10","1") = "9"
    & skf18("4","7","8","7","4","1","1") = "7"
    & skf18("4","7","8","7","4","2","1") = "7"
    & skf18("4","7","8","7","4","3","1") = "7"
    & skf18("4","7","8","7","4","4","1") = "7"
    & skf18("4","7","8","7","4","5","1") = "7"
    & skf18("4","7","8","7","4","6","1") = "7"
    & skf18("4","7","8","7","4","7","1") = "7"
    & skf18("4","7","8","7","4","8","1") = "7"
    & skf18("4","7","8","7","4","9","1") = "8"
    & skf18("4","7","8","7","4","10","1") = "9"
    & skf18("4","7","8","7","5","1","1") = "7"
    & skf18("4","7","8","7","5","2","1") = "7"
    & skf18("4","7","8","7","5","3","1") = "7"
    & skf18("4","7","8","7","5","4","1") = "7"
    & skf18("4","7","8","7","5","5","1") = "7"
    & skf18("4","7","8","7","5","6","1") = "7"
    & skf18("4","7","8","7","5","7","1") = "7"
    & skf18("4","7","8","7","5","8","1") = "7"
    & skf18("4","7","8","7","5","9","1") = "8"
    & skf18("4","7","8","7","5","10","1") = "9"
    & skf18("4","7","8","7","6","1","1") = "7"
    & skf18("4","7","8","7","6","2","1") = "7"
    & skf18("4","7","8","7","6","3","1") = "7"
    & skf18("4","7","8","7","6","4","1") = "7"
    & skf18("4","7","8","7","6","5","1") = "7"
    & skf18("4","7","8","7","6","6","1") = "7"
    & skf18("4","7","8","7","6","7","1") = "7"
    & skf18("4","7","8","7","6","8","1") = "7"
    & skf18("4","7","8","7","6","9","1") = "8"
    & skf18("4","7","8","7","6","10","1") = "9"
    & skf18("4","7","8","7","7","1","1") = "7"
    & skf18("4","7","8","7","7","2","1") = "7"
    & skf18("4","7","8","7","7","3","1") = "7"
    & skf18("4","7","8","7","7","4","1") = "7"
    & skf18("4","7","8","7","7","5","1") = "7"
    & skf18("4","7","8","7","7","6","1") = "7"
    & skf18("4","7","8","7","7","7","1") = "7"
    & skf18("4","7","8","7","7","8","1") = "7"
    & skf18("4","7","8","7","7","9","1") = "8"
    & skf18("4","7","8","7","7","10","1") = "9"
    & skf18("4","7","8","7","8","1","1") = "7"
    & skf18("4","7","8","7","8","2","1") = "7"
    & skf18("4","7","8","7","8","3","1") = "7"
    & skf18("4","7","8","7","8","4","1") = "7"
    & skf18("4","7","8","7","8","5","1") = "7"
    & skf18("4","7","8","7","8","6","1") = "7"
    & skf18("4","7","8","7","8","7","1") = "7"
    & skf18("4","7","8","7","8","8","1") = "7"
    & skf18("4","7","8","7","8","9","1") = "8"
    & skf18("4","7","8","7","8","10","1") = "9"
    & skf18("4","7","8","7","9","1","1") = "8"
    & skf18("4","7","8","7","9","2","1") = "8"
    & skf18("4","7","8","7","9","3","1") = "8"
    & skf18("4","7","8","7","9","4","1") = "8"
    & skf18("4","7","8","7","9","5","1") = "8"
    & skf18("4","7","8","7","9","6","1") = "8"
    & skf18("4","7","8","7","9","7","1") = "8"
    & skf18("4","7","8","7","9","8","1") = "8"
    & skf18("4","7","8","7","9","9","1") = "8"
    & skf18("4","7","8","7","9","10","1") = "9"
    & skf18("4","7","8","7","10","1","1") = "9"
    & skf18("4","7","8","7","10","2","1") = "9"
    & skf18("4","7","8","7","10","3","1") = "9"
    & skf18("4","7","8","7","10","4","1") = "9"
    & skf18("4","7","8","7","10","5","1") = "9"
    & skf18("4","7","8","7","10","6","1") = "9"
    & skf18("4","7","8","7","10","7","1") = "9"
    & skf18("4","7","8","7","10","8","1") = "9"
    & skf18("4","7","8","7","10","9","1") = "9"
    & skf18("4","7","8","7","10","10","1") = "9"
    & skf18("4","7","8","8","1","1","1") = "7"
    & skf18("4","7","8","8","1","2","1") = "7"
    & skf18("4","7","8","8","1","3","1") = "7"
    & skf18("4","7","8","8","1","4","1") = "7"
    & skf18("4","7","8","8","1","5","1") = "7"
    & skf18("4","7","8","8","1","6","1") = "7"
    & skf18("4","7","8","8","1","7","1") = "7"
    & skf18("4","7","8","8","1","8","1") = "7"
    & skf18("4","7","8","8","1","9","1") = "8"
    & skf18("4","7","8","8","1","10","1") = "9"
    & skf18("4","7","8","8","2","1","1") = "7"
    & skf18("4","7","8","8","2","2","1") = "7"
    & skf18("4","7","8","8","2","3","1") = "7"
    & skf18("4","7","8","8","2","4","1") = "7"
    & skf18("4","7","8","8","2","5","1") = "7"
    & skf18("4","7","8","8","2","6","1") = "7"
    & skf18("4","7","8","8","2","7","1") = "7"
    & skf18("4","7","8","8","2","8","1") = "7"
    & skf18("4","7","8","8","2","9","1") = "8"
    & skf18("4","7","8","8","2","10","1") = "9"
    & skf18("4","7","8","8","3","1","1") = "7"
    & skf18("4","7","8","8","3","2","1") = "7"
    & skf18("4","7","8","8","3","3","1") = "7"
    & skf18("4","7","8","8","3","4","1") = "7"
    & skf18("4","7","8","8","3","5","1") = "7"
    & skf18("4","7","8","8","3","6","1") = "7"
    & skf18("4","7","8","8","3","7","1") = "7"
    & skf18("4","7","8","8","3","8","1") = "7"
    & skf18("4","7","8","8","3","9","1") = "8"
    & skf18("4","7","8","8","3","10","1") = "9"
    & skf18("4","7","8","8","4","1","1") = "7"
    & skf18("4","7","8","8","4","2","1") = "7"
    & skf18("4","7","8","8","4","3","1") = "7"
    & skf18("4","7","8","8","4","4","1") = "7"
    & skf18("4","7","8","8","4","5","1") = "7"
    & skf18("4","7","8","8","4","6","1") = "7"
    & skf18("4","7","8","8","4","7","1") = "7"
    & skf18("4","7","8","8","4","8","1") = "7"
    & skf18("4","7","8","8","4","9","1") = "8"
    & skf18("4","7","8","8","4","10","1") = "9"
    & skf18("4","7","8","8","5","1","1") = "7"
    & skf18("4","7","8","8","5","2","1") = "7"
    & skf18("4","7","8","8","5","3","1") = "7"
    & skf18("4","7","8","8","5","4","1") = "7"
    & skf18("4","7","8","8","5","5","1") = "7"
    & skf18("4","7","8","8","5","6","1") = "7"
    & skf18("4","7","8","8","5","7","1") = "7"
    & skf18("4","7","8","8","5","8","1") = "7"
    & skf18("4","7","8","8","5","9","1") = "8"
    & skf18("4","7","8","8","5","10","1") = "9"
    & skf18("4","7","8","8","6","1","1") = "7"
    & skf18("4","7","8","8","6","2","1") = "7"
    & skf18("4","7","8","8","6","3","1") = "7"
    & skf18("4","7","8","8","6","4","1") = "7"
    & skf18("4","7","8","8","6","5","1") = "7"
    & skf18("4","7","8","8","6","6","1") = "7"
    & skf18("4","7","8","8","6","7","1") = "7"
    & skf18("4","7","8","8","6","8","1") = "7"
    & skf18("4","7","8","8","6","9","1") = "8"
    & skf18("4","7","8","8","6","10","1") = "9"
    & skf18("4","7","8","8","7","1","1") = "7"
    & skf18("4","7","8","8","7","2","1") = "7"
    & skf18("4","7","8","8","7","3","1") = "7"
    & skf18("4","7","8","8","7","4","1") = "7"
    & skf18("4","7","8","8","7","5","1") = "7"
    & skf18("4","7","8","8","7","6","1") = "7"
    & skf18("4","7","8","8","7","7","1") = "7"
    & skf18("4","7","8","8","7","8","1") = "7"
    & skf18("4","7","8","8","7","9","1") = "8"
    & skf18("4","7","8","8","7","10","1") = "9"
    & skf18("4","7","8","8","8","1","1") = "7"
    & skf18("4","7","8","8","8","2","1") = "7"
    & skf18("4","7","8","8","8","3","1") = "7"
    & skf18("4","7","8","8","8","4","1") = "7"
    & skf18("4","7","8","8","8","5","1") = "7"
    & skf18("4","7","8","8","8","6","1") = "7"
    & skf18("4","7","8","8","8","7","1") = "7"
    & skf18("4","7","8","8","8","8","1") = "7"
    & skf18("4","7","8","8","8","9","1") = "8"
    & skf18("4","7","8","8","8","10","1") = "9"
    & skf18("4","7","8","8","9","1","1") = "8"
    & skf18("4","7","8","8","9","2","1") = "8"
    & skf18("4","7","8","8","9","3","1") = "8"
    & skf18("4","7","8","8","9","4","1") = "8"
    & skf18("4","7","8","8","9","5","1") = "8"
    & skf18("4","7","8","8","9","6","1") = "8"
    & skf18("4","7","8","8","9","7","1") = "8"
    & skf18("4","7","8","8","9","8","1") = "8"
    & skf18("4","7","8","8","9","9","1") = "8"
    & skf18("4","7","8","8","9","10","1") = "9"
    & skf18("4","7","8","8","10","1","1") = "9"
    & skf18("4","7","8","8","10","2","1") = "9"
    & skf18("4","7","8","8","10","3","1") = "9"
    & skf18("4","7","8","8","10","4","1") = "9"
    & skf18("4","7","8","8","10","5","1") = "9"
    & skf18("4","7","8","8","10","6","1") = "9"
    & skf18("4","7","8","8","10","7","1") = "9"
    & skf18("4","7","8","8","10","8","1") = "9"
    & skf18("4","7","8","8","10","9","1") = "9"
    & skf18("4","7","8","8","10","10","1") = "9"
    & skf18("4","7","8","9","1","1","1") = "8"
    & skf18("4","7","8","9","1","2","1") = "8"
    & skf18("4","7","8","9","1","3","1") = "8"
    & skf18("4","7","8","9","1","4","1") = "8"
    & skf18("4","7","8","9","1","5","1") = "8"
    & skf18("4","7","8","9","1","6","1") = "8"
    & skf18("4","7","8","9","1","7","1") = "8"
    & skf18("4","7","8","9","1","8","1") = "8"
    & skf18("4","7","8","9","1","9","1") = "8"
    & skf18("4","7","8","9","1","10","1") = "9"
    & skf18("4","7","8","9","2","1","1") = "8"
    & skf18("4","7","8","9","2","2","1") = "8"
    & skf18("4","7","8","9","2","3","1") = "8"
    & skf18("4","7","8","9","2","4","1") = "8"
    & skf18("4","7","8","9","2","5","1") = "8"
    & skf18("4","7","8","9","2","6","1") = "8"
    & skf18("4","7","8","9","2","7","1") = "8"
    & skf18("4","7","8","9","2","8","1") = "8"
    & skf18("4","7","8","9","2","9","1") = "8"
    & skf18("4","7","8","9","2","10","1") = "9"
    & skf18("4","7","8","9","3","1","1") = "8"
    & skf18("4","7","8","9","3","2","1") = "8"
    & skf18("4","7","8","9","3","3","1") = "8"
    & skf18("4","7","8","9","3","4","1") = "8"
    & skf18("4","7","8","9","3","5","1") = "8"
    & skf18("4","7","8","9","3","6","1") = "8"
    & skf18("4","7","8","9","3","7","1") = "8"
    & skf18("4","7","8","9","3","8","1") = "8"
    & skf18("4","7","8","9","3","9","1") = "8"
    & skf18("4","7","8","9","3","10","1") = "9"
    & skf18("4","7","8","9","4","1","1") = "8"
    & skf18("4","7","8","9","4","2","1") = "8"
    & skf18("4","7","8","9","4","3","1") = "8"
    & skf18("4","7","8","9","4","4","1") = "8"
    & skf18("4","7","8","9","4","5","1") = "8"
    & skf18("4","7","8","9","4","6","1") = "8"
    & skf18("4","7","8","9","4","7","1") = "8"
    & skf18("4","7","8","9","4","8","1") = "8"
    & skf18("4","7","8","9","4","9","1") = "8"
    & skf18("4","7","8","9","4","10","1") = "9"
    & skf18("4","7","8","9","5","1","1") = "8"
    & skf18("4","7","8","9","5","2","1") = "8"
    & skf18("4","7","8","9","5","3","1") = "8"
    & skf18("4","7","8","9","5","4","1") = "8"
    & skf18("4","7","8","9","5","5","1") = "8"
    & skf18("4","7","8","9","5","6","1") = "8"
    & skf18("4","7","8","9","5","7","1") = "8"
    & skf18("4","7","8","9","5","8","1") = "8"
    & skf18("4","7","8","9","5","9","1") = "8"
    & skf18("4","7","8","9","5","10","1") = "9"
    & skf18("4","7","8","9","6","1","1") = "8"
    & skf18("4","7","8","9","6","2","1") = "8"
    & skf18("4","7","8","9","6","3","1") = "8"
    & skf18("4","7","8","9","6","4","1") = "8"
    & skf18("4","7","8","9","6","5","1") = "8"
    & skf18("4","7","8","9","6","6","1") = "8"
    & skf18("4","7","8","9","6","7","1") = "8"
    & skf18("4","7","8","9","6","8","1") = "8"
    & skf18("4","7","8","9","6","9","1") = "8"
    & skf18("4","7","8","9","6","10","1") = "9"
    & skf18("4","7","8","9","7","1","1") = "8"
    & skf18("4","7","8","9","7","2","1") = "8"
    & skf18("4","7","8","9","7","3","1") = "8"
    & skf18("4","7","8","9","7","4","1") = "8"
    & skf18("4","7","8","9","7","5","1") = "8"
    & skf18("4","7","8","9","7","6","1") = "8"
    & skf18("4","7","8","9","7","7","1") = "8"
    & skf18("4","7","8","9","7","8","1") = "8"
    & skf18("4","7","8","9","7","9","1") = "8"
    & skf18("4","7","8","9","7","10","1") = "9"
    & skf18("4","7","8","9","8","1","1") = "8"
    & skf18("4","7","8","9","8","2","1") = "8"
    & skf18("4","7","8","9","8","3","1") = "8"
    & skf18("4","7","8","9","8","4","1") = "8"
    & skf18("4","7","8","9","8","5","1") = "8"
    & skf18("4","7","8","9","8","6","1") = "8"
    & skf18("4","7","8","9","8","7","1") = "8"
    & skf18("4","7","8","9","8","8","1") = "8"
    & skf18("4","7","8","9","8","9","1") = "8"
    & skf18("4","7","8","9","8","10","1") = "9"
    & skf18("4","7","8","9","9","1","1") = "8"
    & skf18("4","7","8","9","9","2","1") = "8"
    & skf18("4","7","8","9","9","3","1") = "8"
    & skf18("4","7","8","9","9","4","1") = "8"
    & skf18("4","7","8","9","9","5","1") = "8"
    & skf18("4","7","8","9","9","6","1") = "8"
    & skf18("4","7","8","9","9","7","1") = "8"
    & skf18("4","7","8","9","9","8","1") = "8"
    & skf18("4","7","8","9","9","9","1") = "8"
    & skf18("4","7","8","9","9","10","1") = "9"
    & skf18("4","7","8","9","10","1","1") = "9"
    & skf18("4","7","8","9","10","2","1") = "9"
    & skf18("4","7","8","9","10","3","1") = "9"
    & skf18("4","7","8","9","10","4","1") = "9"
    & skf18("4","7","8","9","10","5","1") = "9"
    & skf18("4","7","8","9","10","6","1") = "9"
    & skf18("4","7","8","9","10","7","1") = "9"
    & skf18("4","7","8","9","10","8","1") = "9"
    & skf18("4","7","8","9","10","9","1") = "9"
    & skf18("4","7","8","9","10","10","1") = "9"
    & skf18("4","7","8","10","1","1","1") = "9"
    & skf18("4","7","8","10","1","2","1") = "9"
    & skf18("4","7","8","10","1","3","1") = "9"
    & skf18("4","7","8","10","1","4","1") = "9"
    & skf18("4","7","8","10","1","5","1") = "9"
    & skf18("4","7","8","10","1","6","1") = "9"
    & skf18("4","7","8","10","1","7","1") = "9"
    & skf18("4","7","8","10","1","8","1") = "9"
    & skf18("4","7","8","10","1","9","1") = "9"
    & skf18("4","7","8","10","1","10","1") = "9"
    & skf18("4","7","8","10","2","1","1") = "9"
    & skf18("4","7","8","10","2","2","1") = "9"
    & skf18("4","7","8","10","2","3","1") = "9"
    & skf18("4","7","8","10","2","4","1") = "9"
    & skf18("4","7","8","10","2","5","1") = "9"
    & skf18("4","7","8","10","2","6","1") = "9"
    & skf18("4","7","8","10","2","7","1") = "9"
    & skf18("4","7","8","10","2","8","1") = "9"
    & skf18("4","7","8","10","2","9","1") = "9"
    & skf18("4","7","8","10","2","10","1") = "9"
    & skf18("4","7","8","10","3","1","1") = "9"
    & skf18("4","7","8","10","3","2","1") = "9"
    & skf18("4","7","8","10","3","3","1") = "9"
    & skf18("4","7","8","10","3","4","1") = "9"
    & skf18("4","7","8","10","3","5","1") = "9"
    & skf18("4","7","8","10","3","6","1") = "9"
    & skf18("4","7","8","10","3","7","1") = "9"
    & skf18("4","7","8","10","3","8","1") = "9"
    & skf18("4","7","8","10","3","9","1") = "9"
    & skf18("4","7","8","10","3","10","1") = "9"
    & skf18("4","7","8","10","4","1","1") = "9"
    & skf18("4","7","8","10","4","2","1") = "9"
    & skf18("4","7","8","10","4","3","1") = "9"
    & skf18("4","7","8","10","4","4","1") = "9"
    & skf18("4","7","8","10","4","5","1") = "9"
    & skf18("4","7","8","10","4","6","1") = "9"
    & skf18("4","7","8","10","4","7","1") = "9"
    & skf18("4","7","8","10","4","8","1") = "9"
    & skf18("4","7","8","10","4","9","1") = "9"
    & skf18("4","7","8","10","4","10","1") = "9"
    & skf18("4","7","8","10","5","1","1") = "9"
    & skf18("4","7","8","10","5","2","1") = "9"
    & skf18("4","7","8","10","5","3","1") = "9"
    & skf18("4","7","8","10","5","4","1") = "9"
    & skf18("4","7","8","10","5","5","1") = "9"
    & skf18("4","7","8","10","5","6","1") = "9"
    & skf18("4","7","8","10","5","7","1") = "9"
    & skf18("4","7","8","10","5","8","1") = "9"
    & skf18("4","7","8","10","5","9","1") = "9"
    & skf18("4","7","8","10","5","10","1") = "9"
    & skf18("4","7","8","10","6","1","1") = "9"
    & skf18("4","7","8","10","6","2","1") = "9"
    & skf18("4","7","8","10","6","3","1") = "9"
    & skf18("4","7","8","10","6","4","1") = "9"
    & skf18("4","7","8","10","6","5","1") = "9"
    & skf18("4","7","8","10","6","6","1") = "9"
    & skf18("4","7","8","10","6","7","1") = "9"
    & skf18("4","7","8","10","6","8","1") = "9"
    & skf18("4","7","8","10","6","9","1") = "9"
    & skf18("4","7","8","10","6","10","1") = "9"
    & skf18("4","7","8","10","7","1","1") = "9"
    & skf18("4","7","8","10","7","2","1") = "9"
    & skf18("4","7","8","10","7","3","1") = "9"
    & skf18("4","7","8","10","7","4","1") = "9"
    & skf18("4","7","8","10","7","5","1") = "9"
    & skf18("4","7","8","10","7","6","1") = "9"
    & skf18("4","7","8","10","7","7","1") = "9"
    & skf18("4","7","8","10","7","8","1") = "9"
    & skf18("4","7","8","10","7","9","1") = "9"
    & skf18("4","7","8","10","7","10","1") = "9"
    & skf18("4","7","8","10","8","1","1") = "9"
    & skf18("4","7","8","10","8","2","1") = "9"
    & skf18("4","7","8","10","8","3","1") = "9"
    & skf18("4","7","8","10","8","4","1") = "9"
    & skf18("4","7","8","10","8","5","1") = "9"
    & skf18("4","7","8","10","8","6","1") = "9"
    & skf18("4","7","8","10","8","7","1") = "9"
    & skf18("4","7","8","10","8","8","1") = "9"
    & skf18("4","7","8","10","8","9","1") = "9"
    & skf18("4","7","8","10","8","10","1") = "9"
    & skf18("4","7","8","10","9","1","1") = "9"
    & skf18("4","7","8","10","9","2","1") = "9"
    & skf18("4","7","8","10","9","3","1") = "9"
    & skf18("4","7","8","10","9","4","1") = "9"
    & skf18("4","7","8","10","9","5","1") = "9"
    & skf18("4","7","8","10","9","6","1") = "9"
    & skf18("4","7","8","10","9","7","1") = "9"
    & skf18("4","7","8","10","9","8","1") = "9"
    & skf18("4","7","8","10","9","9","1") = "9"
    & skf18("4","7","8","10","9","10","1") = "9"
    & skf18("4","7","8","10","10","1","1") = "9"
    & skf18("4","7","8","10","10","2","1") = "9"
    & skf18("4","7","8","10","10","3","1") = "9"
    & skf18("4","7","8","10","10","4","1") = "9"
    & skf18("4","7","8","10","10","5","1") = "9"
    & skf18("4","7","8","10","10","6","1") = "9"
    & skf18("4","7","8","10","10","7","1") = "9"
    & skf18("4","7","8","10","10","8","1") = "9"
    & skf18("4","7","8","10","10","9","1") = "9"
    & skf18("4","7","8","10","10","10","1") = "9"
    & skf18("4","7","9","1","1","1","1") = "8"
    & skf18("4","7","9","1","1","2","1") = "8"
    & skf18("4","7","9","1","1","3","1") = "8"
    & skf18("4","7","9","1","1","4","1") = "8"
    & skf18("4","7","9","1","1","5","1") = "8"
    & skf18("4","7","9","1","1","6","1") = "8"
    & skf18("4","7","9","1","1","7","1") = "8"
    & skf18("4","7","9","1","1","8","1") = "8"
    & skf18("4","7","9","1","1","9","1") = "8"
    & skf18("4","7","9","1","1","10","1") = "9"
    & skf18("4","7","9","1","2","1","1") = "8"
    & skf18("4","7","9","1","2","2","1") = "8"
    & skf18("4","7","9","1","2","3","1") = "8"
    & skf18("4","7","9","1","2","4","1") = "8"
    & skf18("4","7","9","1","2","5","1") = "8"
    & skf18("4","7","9","1","2","6","1") = "8"
    & skf18("4","7","9","1","2","7","1") = "8"
    & skf18("4","7","9","1","2","8","1") = "8"
    & skf18("4","7","9","1","2","9","1") = "8"
    & skf18("4","7","9","1","2","10","1") = "9"
    & skf18("4","7","9","1","3","1","1") = "8"
    & skf18("4","7","9","1","3","2","1") = "8"
    & skf18("4","7","9","1","3","3","1") = "8"
    & skf18("4","7","9","1","3","4","1") = "8"
    & skf18("4","7","9","1","3","5","1") = "8"
    & skf18("4","7","9","1","3","6","1") = "8"
    & skf18("4","7","9","1","3","7","1") = "8"
    & skf18("4","7","9","1","3","8","1") = "8"
    & skf18("4","7","9","1","3","9","1") = "8"
    & skf18("4","7","9","1","3","10","1") = "9"
    & skf18("4","7","9","1","4","1","1") = "8"
    & skf18("4","7","9","1","4","2","1") = "8"
    & skf18("4","7","9","1","4","3","1") = "8"
    & skf18("4","7","9","1","4","4","1") = "8"
    & skf18("4","7","9","1","4","5","1") = "8"
    & skf18("4","7","9","1","4","6","1") = "8"
    & skf18("4","7","9","1","4","7","1") = "8"
    & skf18("4","7","9","1","4","8","1") = "8"
    & skf18("4","7","9","1","4","9","1") = "8"
    & skf18("4","7","9","1","4","10","1") = "9"
    & skf18("4","7","9","1","5","1","1") = "8"
    & skf18("4","7","9","1","5","2","1") = "8"
    & skf18("4","7","9","1","5","3","1") = "8"
    & skf18("4","7","9","1","5","4","1") = "8"
    & skf18("4","7","9","1","5","5","1") = "8"
    & skf18("4","7","9","1","5","6","1") = "8"
    & skf18("4","7","9","1","5","7","1") = "8"
    & skf18("4","7","9","1","5","8","1") = "8"
    & skf18("4","7","9","1","5","9","1") = "8"
    & skf18("4","7","9","1","5","10","1") = "9"
    & skf18("4","7","9","1","6","1","1") = "8"
    & skf18("4","7","9","1","6","2","1") = "8"
    & skf18("4","7","9","1","6","3","1") = "8"
    & skf18("4","7","9","1","6","4","1") = "8"
    & skf18("4","7","9","1","6","5","1") = "8"
    & skf18("4","7","9","1","6","6","1") = "8"
    & skf18("4","7","9","1","6","7","1") = "8"
    & skf18("4","7","9","1","6","8","1") = "8"
    & skf18("4","7","9","1","6","9","1") = "8"
    & skf18("4","7","9","1","6","10","1") = "9"
    & skf18("4","7","9","1","7","1","1") = "8"
    & skf18("4","7","9","1","7","2","1") = "8"
    & skf18("4","7","9","1","7","3","1") = "8"
    & skf18("4","7","9","1","7","4","1") = "8"
    & skf18("4","7","9","1","7","5","1") = "8"
    & skf18("4","7","9","1","7","6","1") = "8"
    & skf18("4","7","9","1","7","7","1") = "8"
    & skf18("4","7","9","1","7","8","1") = "8"
    & skf18("4","7","9","1","7","9","1") = "8"
    & skf18("4","7","9","1","7","10","1") = "9"
    & skf18("4","7","9","1","8","1","1") = "8"
    & skf18("4","7","9","1","8","2","1") = "8"
    & skf18("4","7","9","1","8","3","1") = "8"
    & skf18("4","7","9","1","8","4","1") = "8"
    & skf18("4","7","9","1","8","5","1") = "8"
    & skf18("4","7","9","1","8","6","1") = "8"
    & skf18("4","7","9","1","8","7","1") = "8"
    & skf18("4","7","9","1","8","8","1") = "8"
    & skf18("4","7","9","1","8","9","1") = "8"
    & skf18("4","7","9","1","8","10","1") = "9"
    & skf18("4","7","9","1","9","1","1") = "8"
    & skf18("4","7","9","1","9","2","1") = "8"
    & skf18("4","7","9","1","9","3","1") = "8"
    & skf18("4","7","9","1","9","4","1") = "8"
    & skf18("4","7","9","1","9","5","1") = "8"
    & skf18("4","7","9","1","9","6","1") = "8"
    & skf18("4","7","9","1","9","7","1") = "8"
    & skf18("4","7","9","1","9","8","1") = "8"
    & skf18("4","7","9","1","9","9","1") = "8"
    & skf18("4","7","9","1","9","10","1") = "9"
    & skf18("4","7","9","1","10","1","1") = "9"
    & skf18("4","7","9","1","10","2","1") = "9"
    & skf18("4","7","9","1","10","3","1") = "9"
    & skf18("4","7","9","1","10","4","1") = "9"
    & skf18("4","7","9","1","10","5","1") = "9"
    & skf18("4","7","9","1","10","6","1") = "9"
    & skf18("4","7","9","1","10","7","1") = "9"
    & skf18("4","7","9","1","10","8","1") = "9"
    & skf18("4","7","9","1","10","9","1") = "9"
    & skf18("4","7","9","1","10","10","1") = "9"
    & skf18("4","7","9","2","1","1","1") = "8"
    & skf18("4","7","9","2","1","2","1") = "8"
    & skf18("4","7","9","2","1","3","1") = "8"
    & skf18("4","7","9","2","1","4","1") = "8"
    & skf18("4","7","9","2","1","5","1") = "8"
    & skf18("4","7","9","2","1","6","1") = "8"
    & skf18("4","7","9","2","1","7","1") = "8"
    & skf18("4","7","9","2","1","8","1") = "8"
    & skf18("4","7","9","2","1","9","1") = "8"
    & skf18("4","7","9","2","1","10","1") = "9"
    & skf18("4","7","9","2","2","1","1") = "8"
    & skf18("4","7","9","2","2","2","1") = "8"
    & skf18("4","7","9","2","2","3","1") = "8"
    & skf18("4","7","9","2","2","4","1") = "8"
    & skf18("4","7","9","2","2","5","1") = "8"
    & skf18("4","7","9","2","2","6","1") = "8"
    & skf18("4","7","9","2","2","7","1") = "8"
    & skf18("4","7","9","2","2","8","1") = "8"
    & skf18("4","7","9","2","2","9","1") = "8"
    & skf18("4","7","9","2","2","10","1") = "9"
    & skf18("4","7","9","2","3","1","1") = "8"
    & skf18("4","7","9","2","3","2","1") = "8"
    & skf18("4","7","9","2","3","3","1") = "8"
    & skf18("4","7","9","2","3","4","1") = "8"
    & skf18("4","7","9","2","3","5","1") = "8"
    & skf18("4","7","9","2","3","6","1") = "8"
    & skf18("4","7","9","2","3","7","1") = "8"
    & skf18("4","7","9","2","3","8","1") = "8"
    & skf18("4","7","9","2","3","9","1") = "8"
    & skf18("4","7","9","2","3","10","1") = "9"
    & skf18("4","7","9","2","4","1","1") = "8"
    & skf18("4","7","9","2","4","2","1") = "8"
    & skf18("4","7","9","2","4","3","1") = "8"
    & skf18("4","7","9","2","4","4","1") = "8"
    & skf18("4","7","9","2","4","5","1") = "8"
    & skf18("4","7","9","2","4","6","1") = "8"
    & skf18("4","7","9","2","4","7","1") = "8"
    & skf18("4","7","9","2","4","8","1") = "8"
    & skf18("4","7","9","2","4","9","1") = "8"
    & skf18("4","7","9","2","4","10","1") = "9"
    & skf18("4","7","9","2","5","1","1") = "8"
    & skf18("4","7","9","2","5","2","1") = "8"
    & skf18("4","7","9","2","5","3","1") = "8"
    & skf18("4","7","9","2","5","4","1") = "8"
    & skf18("4","7","9","2","5","5","1") = "8"
    & skf18("4","7","9","2","5","6","1") = "8"
    & skf18("4","7","9","2","5","7","1") = "8"
    & skf18("4","7","9","2","5","8","1") = "8"
    & skf18("4","7","9","2","5","9","1") = "8"
    & skf18("4","7","9","2","5","10","1") = "9"
    & skf18("4","7","9","2","6","1","1") = "8"
    & skf18("4","7","9","2","6","2","1") = "8"
    & skf18("4","7","9","2","6","3","1") = "8"
    & skf18("4","7","9","2","6","4","1") = "8"
    & skf18("4","7","9","2","6","5","1") = "8"
    & skf18("4","7","9","2","6","6","1") = "8"
    & skf18("4","7","9","2","6","7","1") = "8"
    & skf18("4","7","9","2","6","8","1") = "8"
    & skf18("4","7","9","2","6","9","1") = "8"
    & skf18("4","7","9","2","6","10","1") = "9"
    & skf18("4","7","9","2","7","1","1") = "8"
    & skf18("4","7","9","2","7","2","1") = "8"
    & skf18("4","7","9","2","7","3","1") = "8"
    & skf18("4","7","9","2","7","4","1") = "8"
    & skf18("4","7","9","2","7","5","1") = "8"
    & skf18("4","7","9","2","7","6","1") = "8"
    & skf18("4","7","9","2","7","7","1") = "8"
    & skf18("4","7","9","2","7","8","1") = "8"
    & skf18("4","7","9","2","7","9","1") = "8"
    & skf18("4","7","9","2","7","10","1") = "9"
    & skf18("4","7","9","2","8","1","1") = "8"
    & skf18("4","7","9","2","8","2","1") = "8"
    & skf18("4","7","9","2","8","3","1") = "8"
    & skf18("4","7","9","2","8","4","1") = "8"
    & skf18("4","7","9","2","8","5","1") = "8"
    & skf18("4","7","9","2","8","6","1") = "8"
    & skf18("4","7","9","2","8","7","1") = "8"
    & skf18("4","7","9","2","8","8","1") = "8"
    & skf18("4","7","9","2","8","9","1") = "8"
    & skf18("4","7","9","2","8","10","1") = "9"
    & skf18("4","7","9","2","9","1","1") = "8"
    & skf18("4","7","9","2","9","2","1") = "8"
    & skf18("4","7","9","2","9","3","1") = "8"
    & skf18("4","7","9","2","9","4","1") = "8"
    & skf18("4","7","9","2","9","5","1") = "8"
    & skf18("4","7","9","2","9","6","1") = "8"
    & skf18("4","7","9","2","9","7","1") = "8"
    & skf18("4","7","9","2","9","8","1") = "8"
    & skf18("4","7","9","2","9","9","1") = "8"
    & skf18("4","7","9","2","9","10","1") = "9"
    & skf18("4","7","9","2","10","1","1") = "9"
    & skf18("4","7","9","2","10","2","1") = "9"
    & skf18("4","7","9","2","10","3","1") = "9"
    & skf18("4","7","9","2","10","4","1") = "9"
    & skf18("4","7","9","2","10","5","1") = "9"
    & skf18("4","7","9","2","10","6","1") = "9"
    & skf18("4","7","9","2","10","7","1") = "9"
    & skf18("4","7","9","2","10","8","1") = "9"
    & skf18("4","7","9","2","10","9","1") = "9"
    & skf18("4","7","9","2","10","10","1") = "9"
    & skf18("4","7","9","3","1","1","1") = "8"
    & skf18("4","7","9","3","1","2","1") = "8"
    & skf18("4","7","9","3","1","3","1") = "8"
    & skf18("4","7","9","3","1","4","1") = "8"
    & skf18("4","7","9","3","1","5","1") = "8"
    & skf18("4","7","9","3","1","6","1") = "8"
    & skf18("4","7","9","3","1","7","1") = "8"
    & skf18("4","7","9","3","1","8","1") = "8"
    & skf18("4","7","9","3","1","9","1") = "8"
    & skf18("4","7","9","3","1","10","1") = "9"
    & skf18("4","7","9","3","2","1","1") = "8"
    & skf18("4","7","9","3","2","2","1") = "8"
    & skf18("4","7","9","3","2","3","1") = "8"
    & skf18("4","7","9","3","2","4","1") = "8"
    & skf18("4","7","9","3","2","5","1") = "8"
    & skf18("4","7","9","3","2","6","1") = "8"
    & skf18("4","7","9","3","2","7","1") = "8"
    & skf18("4","7","9","3","2","8","1") = "8"
    & skf18("4","7","9","3","2","9","1") = "8"
    & skf18("4","7","9","3","2","10","1") = "9"
    & skf18("4","7","9","3","3","1","1") = "8"
    & skf18("4","7","9","3","3","2","1") = "8"
    & skf18("4","7","9","3","3","3","1") = "8"
    & skf18("4","7","9","3","3","4","1") = "8"
    & skf18("4","7","9","3","3","5","1") = "8"
    & skf18("4","7","9","3","3","6","1") = "8"
    & skf18("4","7","9","3","3","7","1") = "8"
    & skf18("4","7","9","3","3","8","1") = "8"
    & skf18("4","7","9","3","3","9","1") = "8"
    & skf18("4","7","9","3","3","10","1") = "9"
    & skf18("4","7","9","3","4","1","1") = "8"
    & skf18("4","7","9","3","4","2","1") = "8"
    & skf18("4","7","9","3","4","3","1") = "8"
    & skf18("4","7","9","3","4","4","1") = "8"
    & skf18("4","7","9","3","4","5","1") = "8"
    & skf18("4","7","9","3","4","6","1") = "8"
    & skf18("4","7","9","3","4","7","1") = "8"
    & skf18("4","7","9","3","4","8","1") = "8"
    & skf18("4","7","9","3","4","9","1") = "8"
    & skf18("4","7","9","3","4","10","1") = "9"
    & skf18("4","7","9","3","5","1","1") = "8"
    & skf18("4","7","9","3","5","2","1") = "8"
    & skf18("4","7","9","3","5","3","1") = "8"
    & skf18("4","7","9","3","5","4","1") = "8"
    & skf18("4","7","9","3","5","5","1") = "8"
    & skf18("4","7","9","3","5","6","1") = "8"
    & skf18("4","7","9","3","5","7","1") = "8"
    & skf18("4","7","9","3","5","8","1") = "8"
    & skf18("4","7","9","3","5","9","1") = "8"
    & skf18("4","7","9","3","5","10","1") = "9"
    & skf18("4","7","9","3","6","1","1") = "8"
    & skf18("4","7","9","3","6","2","1") = "8"
    & skf18("4","7","9","3","6","3","1") = "8"
    & skf18("4","7","9","3","6","4","1") = "8"
    & skf18("4","7","9","3","6","5","1") = "8"
    & skf18("4","7","9","3","6","6","1") = "8"
    & skf18("4","7","9","3","6","7","1") = "8"
    & skf18("4","7","9","3","6","8","1") = "8"
    & skf18("4","7","9","3","6","9","1") = "8"
    & skf18("4","7","9","3","6","10","1") = "9"
    & skf18("4","7","9","3","7","1","1") = "8"
    & skf18("4","7","9","3","7","2","1") = "8"
    & skf18("4","7","9","3","7","3","1") = "8"
    & skf18("4","7","9","3","7","4","1") = "8"
    & skf18("4","7","9","3","7","5","1") = "8"
    & skf18("4","7","9","3","7","6","1") = "8"
    & skf18("4","7","9","3","7","7","1") = "8"
    & skf18("4","7","9","3","7","8","1") = "8"
    & skf18("4","7","9","3","7","9","1") = "8"
    & skf18("4","7","9","3","7","10","1") = "9"
    & skf18("4","7","9","3","8","1","1") = "8"
    & skf18("4","7","9","3","8","2","1") = "8"
    & skf18("4","7","9","3","8","3","1") = "8"
    & skf18("4","7","9","3","8","4","1") = "8"
    & skf18("4","7","9","3","8","5","1") = "8"
    & skf18("4","7","9","3","8","6","1") = "8"
    & skf18("4","7","9","3","8","7","1") = "8"
    & skf18("4","7","9","3","8","8","1") = "8"
    & skf18("4","7","9","3","8","9","1") = "8"
    & skf18("4","7","9","3","8","10","1") = "9"
    & skf18("4","7","9","3","9","1","1") = "8"
    & skf18("4","7","9","3","9","2","1") = "8"
    & skf18("4","7","9","3","9","3","1") = "8"
    & skf18("4","7","9","3","9","4","1") = "8"
    & skf18("4","7","9","3","9","5","1") = "8"
    & skf18("4","7","9","3","9","6","1") = "8"
    & skf18("4","7","9","3","9","7","1") = "8"
    & skf18("4","7","9","3","9","8","1") = "8"
    & skf18("4","7","9","3","9","9","1") = "8"
    & skf18("4","7","9","3","9","10","1") = "9"
    & skf18("4","7","9","3","10","1","1") = "9"
    & skf18("4","7","9","3","10","2","1") = "9"
    & skf18("4","7","9","3","10","3","1") = "9"
    & skf18("4","7","9","3","10","4","1") = "9"
    & skf18("4","7","9","3","10","5","1") = "9"
    & skf18("4","7","9","3","10","6","1") = "9"
    & skf18("4","7","9","3","10","7","1") = "9"
    & skf18("4","7","9","3","10","8","1") = "9"
    & skf18("4","7","9","3","10","9","1") = "9"
    & skf18("4","7","9","3","10","10","1") = "9"
    & skf18("4","7","9","4","1","1","1") = "8"
    & skf18("4","7","9","4","1","2","1") = "8"
    & skf18("4","7","9","4","1","3","1") = "8"
    & skf18("4","7","9","4","1","4","1") = "8"
    & skf18("4","7","9","4","1","5","1") = "8"
    & skf18("4","7","9","4","1","6","1") = "8"
    & skf18("4","7","9","4","1","7","1") = "8"
    & skf18("4","7","9","4","1","8","1") = "8"
    & skf18("4","7","9","4","1","9","1") = "8"
    & skf18("4","7","9","4","1","10","1") = "9"
    & skf18("4","7","9","4","2","1","1") = "8"
    & skf18("4","7","9","4","2","2","1") = "8"
    & skf18("4","7","9","4","2","3","1") = "8"
    & skf18("4","7","9","4","2","4","1") = "8"
    & skf18("4","7","9","4","2","5","1") = "8"
    & skf18("4","7","9","4","2","6","1") = "8"
    & skf18("4","7","9","4","2","7","1") = "8"
    & skf18("4","7","9","4","2","8","1") = "8"
    & skf18("4","7","9","4","2","9","1") = "8"
    & skf18("4","7","9","4","2","10","1") = "9"
    & skf18("4","7","9","4","3","1","1") = "8"
    & skf18("4","7","9","4","3","2","1") = "8"
    & skf18("4","7","9","4","3","3","1") = "8"
    & skf18("4","7","9","4","3","4","1") = "8"
    & skf18("4","7","9","4","3","5","1") = "8"
    & skf18("4","7","9","4","3","6","1") = "8"
    & skf18("4","7","9","4","3","7","1") = "8"
    & skf18("4","7","9","4","3","8","1") = "8"
    & skf18("4","7","9","4","3","9","1") = "8"
    & skf18("4","7","9","4","3","10","1") = "9"
    & skf18("4","7","9","4","4","1","1") = "8"
    & skf18("4","7","9","4","4","2","1") = "8"
    & skf18("4","7","9","4","4","3","1") = "8"
    & skf18("4","7","9","4","4","4","1") = "8"
    & skf18("4","7","9","4","4","5","1") = "8"
    & skf18("4","7","9","4","4","6","1") = "8"
    & skf18("4","7","9","4","4","7","1") = "8"
    & skf18("4","7","9","4","4","8","1") = "8"
    & skf18("4","7","9","4","4","9","1") = "8"
    & skf18("4","7","9","4","4","10","1") = "9"
    & skf18("4","7","9","4","5","1","1") = "8"
    & skf18("4","7","9","4","5","2","1") = "8"
    & skf18("4","7","9","4","5","3","1") = "8"
    & skf18("4","7","9","4","5","4","1") = "8"
    & skf18("4","7","9","4","5","5","1") = "8"
    & skf18("4","7","9","4","5","6","1") = "8"
    & skf18("4","7","9","4","5","7","1") = "8"
    & skf18("4","7","9","4","5","8","1") = "8"
    & skf18("4","7","9","4","5","9","1") = "8"
    & skf18("4","7","9","4","5","10","1") = "9"
    & skf18("4","7","9","4","6","1","1") = "8"
    & skf18("4","7","9","4","6","2","1") = "8"
    & skf18("4","7","9","4","6","3","1") = "8"
    & skf18("4","7","9","4","6","4","1") = "8"
    & skf18("4","7","9","4","6","5","1") = "8"
    & skf18("4","7","9","4","6","6","1") = "8"
    & skf18("4","7","9","4","6","7","1") = "8"
    & skf18("4","7","9","4","6","8","1") = "8"
    & skf18("4","7","9","4","6","9","1") = "8"
    & skf18("4","7","9","4","6","10","1") = "9"
    & skf18("4","7","9","4","7","1","1") = "8"
    & skf18("4","7","9","4","7","2","1") = "8"
    & skf18("4","7","9","4","7","3","1") = "8"
    & skf18("4","7","9","4","7","4","1") = "8"
    & skf18("4","7","9","4","7","5","1") = "8"
    & skf18("4","7","9","4","7","6","1") = "8"
    & skf18("4","7","9","4","7","7","1") = "8"
    & skf18("4","7","9","4","7","8","1") = "8"
    & skf18("4","7","9","4","7","9","1") = "8"
    & skf18("4","7","9","4","7","10","1") = "9"
    & skf18("4","7","9","4","8","1","1") = "8"
    & skf18("4","7","9","4","8","2","1") = "8"
    & skf18("4","7","9","4","8","3","1") = "8"
    & skf18("4","7","9","4","8","4","1") = "8"
    & skf18("4","7","9","4","8","5","1") = "8"
    & skf18("4","7","9","4","8","6","1") = "8"
    & skf18("4","7","9","4","8","7","1") = "8"
    & skf18("4","7","9","4","8","8","1") = "8"
    & skf18("4","7","9","4","8","9","1") = "8"
    & skf18("4","7","9","4","8","10","1") = "9"
    & skf18("4","7","9","4","9","1","1") = "8"
    & skf18("4","7","9","4","9","2","1") = "8"
    & skf18("4","7","9","4","9","3","1") = "8"
    & skf18("4","7","9","4","9","4","1") = "8"
    & skf18("4","7","9","4","9","5","1") = "8"
    & skf18("4","7","9","4","9","6","1") = "8"
    & skf18("4","7","9","4","9","7","1") = "8"
    & skf18("4","7","9","4","9","8","1") = "8"
    & skf18("4","7","9","4","9","9","1") = "8"
    & skf18("4","7","9","4","9","10","1") = "9"
    & skf18("4","7","9","4","10","1","1") = "9"
    & skf18("4","7","9","4","10","2","1") = "9"
    & skf18("4","7","9","4","10","3","1") = "9"
    & skf18("4","7","9","4","10","4","1") = "9"
    & skf18("4","7","9","4","10","5","1") = "9"
    & skf18("4","7","9","4","10","6","1") = "9"
    & skf18("4","7","9","4","10","7","1") = "9"
    & skf18("4","7","9","4","10","8","1") = "9"
    & skf18("4","7","9","4","10","9","1") = "9"
    & skf18("4","7","9","4","10","10","1") = "9"
    & skf18("4","7","9","5","1","1","1") = "8"
    & skf18("4","7","9","5","1","2","1") = "8"
    & skf18("4","7","9","5","1","3","1") = "8"
    & skf18("4","7","9","5","1","4","1") = "8"
    & skf18("4","7","9","5","1","5","1") = "8"
    & skf18("4","7","9","5","1","6","1") = "8"
    & skf18("4","7","9","5","1","7","1") = "8"
    & skf18("4","7","9","5","1","8","1") = "8"
    & skf18("4","7","9","5","1","9","1") = "8"
    & skf18("4","7","9","5","1","10","1") = "9"
    & skf18("4","7","9","5","2","1","1") = "8"
    & skf18("4","7","9","5","2","2","1") = "8"
    & skf18("4","7","9","5","2","3","1") = "8"
    & skf18("4","7","9","5","2","4","1") = "8"
    & skf18("4","7","9","5","2","5","1") = "8"
    & skf18("4","7","9","5","2","6","1") = "8"
    & skf18("4","7","9","5","2","7","1") = "8"
    & skf18("4","7","9","5","2","8","1") = "8"
    & skf18("4","7","9","5","2","9","1") = "8"
    & skf18("4","7","9","5","2","10","1") = "9"
    & skf18("4","7","9","5","3","1","1") = "8"
    & skf18("4","7","9","5","3","2","1") = "8"
    & skf18("4","7","9","5","3","3","1") = "8"
    & skf18("4","7","9","5","3","4","1") = "8"
    & skf18("4","7","9","5","3","5","1") = "8"
    & skf18("4","7","9","5","3","6","1") = "8"
    & skf18("4","7","9","5","3","7","1") = "8"
    & skf18("4","7","9","5","3","8","1") = "8"
    & skf18("4","7","9","5","3","9","1") = "8"
    & skf18("4","7","9","5","3","10","1") = "9"
    & skf18("4","7","9","5","4","1","1") = "8"
    & skf18("4","7","9","5","4","2","1") = "8"
    & skf18("4","7","9","5","4","3","1") = "8"
    & skf18("4","7","9","5","4","4","1") = "8"
    & skf18("4","7","9","5","4","5","1") = "8"
    & skf18("4","7","9","5","4","6","1") = "8"
    & skf18("4","7","9","5","4","7","1") = "8"
    & skf18("4","7","9","5","4","8","1") = "8"
    & skf18("4","7","9","5","4","9","1") = "8"
    & skf18("4","7","9","5","4","10","1") = "9"
    & skf18("4","7","9","5","5","1","1") = "8"
    & skf18("4","7","9","5","5","2","1") = "8"
    & skf18("4","7","9","5","5","3","1") = "8"
    & skf18("4","7","9","5","5","4","1") = "8"
    & skf18("4","7","9","5","5","5","1") = "8"
    & skf18("4","7","9","5","5","6","1") = "8"
    & skf18("4","7","9","5","5","7","1") = "8"
    & skf18("4","7","9","5","5","8","1") = "8"
    & skf18("4","7","9","5","5","9","1") = "8"
    & skf18("4","7","9","5","5","10","1") = "9"
    & skf18("4","7","9","5","6","1","1") = "8"
    & skf18("4","7","9","5","6","2","1") = "8"
    & skf18("4","7","9","5","6","3","1") = "8"
    & skf18("4","7","9","5","6","4","1") = "8"
    & skf18("4","7","9","5","6","5","1") = "8"
    & skf18("4","7","9","5","6","6","1") = "8"
    & skf18("4","7","9","5","6","7","1") = "8"
    & skf18("4","7","9","5","6","8","1") = "8"
    & skf18("4","7","9","5","6","9","1") = "8"
    & skf18("4","7","9","5","6","10","1") = "9"
    & skf18("4","7","9","5","7","1","1") = "8"
    & skf18("4","7","9","5","7","2","1") = "8"
    & skf18("4","7","9","5","7","3","1") = "8"
    & skf18("4","7","9","5","7","4","1") = "8"
    & skf18("4","7","9","5","7","5","1") = "8"
    & skf18("4","7","9","5","7","6","1") = "8"
    & skf18("4","7","9","5","7","7","1") = "8"
    & skf18("4","7","9","5","7","8","1") = "8"
    & skf18("4","7","9","5","7","9","1") = "8"
    & skf18("4","7","9","5","7","10","1") = "9"
    & skf18("4","7","9","5","8","1","1") = "8"
    & skf18("4","7","9","5","8","2","1") = "8"
    & skf18("4","7","9","5","8","3","1") = "8"
    & skf18("4","7","9","5","8","4","1") = "8"
    & skf18("4","7","9","5","8","5","1") = "8"
    & skf18("4","7","9","5","8","6","1") = "8"
    & skf18("4","7","9","5","8","7","1") = "8"
    & skf18("4","7","9","5","8","8","1") = "8"
    & skf18("4","7","9","5","8","9","1") = "8"
    & skf18("4","7","9","5","8","10","1") = "9"
    & skf18("4","7","9","5","9","1","1") = "8"
    & skf18("4","7","9","5","9","2","1") = "8"
    & skf18("4","7","9","5","9","3","1") = "8"
    & skf18("4","7","9","5","9","4","1") = "8"
    & skf18("4","7","9","5","9","5","1") = "8"
    & skf18("4","7","9","5","9","6","1") = "8"
    & skf18("4","7","9","5","9","7","1") = "8"
    & skf18("4","7","9","5","9","8","1") = "8"
    & skf18("4","7","9","5","9","9","1") = "8"
    & skf18("4","7","9","5","9","10","1") = "9"
    & skf18("4","7","9","5","10","1","1") = "9"
    & skf18("4","7","9","5","10","2","1") = "9"
    & skf18("4","7","9","5","10","3","1") = "9"
    & skf18("4","7","9","5","10","4","1") = "9"
    & skf18("4","7","9","5","10","5","1") = "9"
    & skf18("4","7","9","5","10","6","1") = "9"
    & skf18("4","7","9","5","10","7","1") = "9"
    & skf18("4","7","9","5","10","8","1") = "9"
    & skf18("4","7","9","5","10","9","1") = "9"
    & skf18("4","7","9","5","10","10","1") = "9"
    & skf18("4","7","9","6","1","1","1") = "8"
    & skf18("4","7","9","6","1","2","1") = "8"
    & skf18("4","7","9","6","1","3","1") = "8"
    & skf18("4","7","9","6","1","4","1") = "8"
    & skf18("4","7","9","6","1","5","1") = "8"
    & skf18("4","7","9","6","1","6","1") = "8"
    & skf18("4","7","9","6","1","7","1") = "8"
    & skf18("4","7","9","6","1","8","1") = "8"
    & skf18("4","7","9","6","1","9","1") = "8"
    & skf18("4","7","9","6","1","10","1") = "9"
    & skf18("4","7","9","6","2","1","1") = "8"
    & skf18("4","7","9","6","2","2","1") = "8"
    & skf18("4","7","9","6","2","3","1") = "8"
    & skf18("4","7","9","6","2","4","1") = "8"
    & skf18("4","7","9","6","2","5","1") = "8"
    & skf18("4","7","9","6","2","6","1") = "8"
    & skf18("4","7","9","6","2","7","1") = "8"
    & skf18("4","7","9","6","2","8","1") = "8"
    & skf18("4","7","9","6","2","9","1") = "8"
    & skf18("4","7","9","6","2","10","1") = "9"
    & skf18("4","7","9","6","3","1","1") = "8"
    & skf18("4","7","9","6","3","2","1") = "8"
    & skf18("4","7","9","6","3","3","1") = "8"
    & skf18("4","7","9","6","3","4","1") = "8"
    & skf18("4","7","9","6","3","5","1") = "8"
    & skf18("4","7","9","6","3","6","1") = "8"
    & skf18("4","7","9","6","3","7","1") = "8"
    & skf18("4","7","9","6","3","8","1") = "8"
    & skf18("4","7","9","6","3","9","1") = "8"
    & skf18("4","7","9","6","3","10","1") = "9"
    & skf18("4","7","9","6","4","1","1") = "8"
    & skf18("4","7","9","6","4","2","1") = "8"
    & skf18("4","7","9","6","4","3","1") = "8"
    & skf18("4","7","9","6","4","4","1") = "8"
    & skf18("4","7","9","6","4","5","1") = "8"
    & skf18("4","7","9","6","4","6","1") = "8"
    & skf18("4","7","9","6","4","7","1") = "8"
    & skf18("4","7","9","6","4","8","1") = "8"
    & skf18("4","7","9","6","4","9","1") = "8"
    & skf18("4","7","9","6","4","10","1") = "9"
    & skf18("4","7","9","6","5","1","1") = "8"
    & skf18("4","7","9","6","5","2","1") = "8"
    & skf18("4","7","9","6","5","3","1") = "8"
    & skf18("4","7","9","6","5","4","1") = "8"
    & skf18("4","7","9","6","5","5","1") = "8"
    & skf18("4","7","9","6","5","6","1") = "8"
    & skf18("4","7","9","6","5","7","1") = "8"
    & skf18("4","7","9","6","5","8","1") = "8"
    & skf18("4","7","9","6","5","9","1") = "8"
    & skf18("4","7","9","6","5","10","1") = "9"
    & skf18("4","7","9","6","6","1","1") = "8"
    & skf18("4","7","9","6","6","2","1") = "8"
    & skf18("4","7","9","6","6","3","1") = "8"
    & skf18("4","7","9","6","6","4","1") = "8"
    & skf18("4","7","9","6","6","5","1") = "8"
    & skf18("4","7","9","6","6","6","1") = "8"
    & skf18("4","7","9","6","6","7","1") = "8"
    & skf18("4","7","9","6","6","8","1") = "8"
    & skf18("4","7","9","6","6","9","1") = "8"
    & skf18("4","7","9","6","6","10","1") = "9"
    & skf18("4","7","9","6","7","1","1") = "8"
    & skf18("4","7","9","6","7","2","1") = "8"
    & skf18("4","7","9","6","7","3","1") = "8"
    & skf18("4","7","9","6","7","4","1") = "8"
    & skf18("4","7","9","6","7","5","1") = "8"
    & skf18("4","7","9","6","7","6","1") = "8"
    & skf18("4","7","9","6","7","7","1") = "8"
    & skf18("4","7","9","6","7","8","1") = "8"
    & skf18("4","7","9","6","7","9","1") = "8"
    & skf18("4","7","9","6","7","10","1") = "9"
    & skf18("4","7","9","6","8","1","1") = "8"
    & skf18("4","7","9","6","8","2","1") = "8"
    & skf18("4","7","9","6","8","3","1") = "8"
    & skf18("4","7","9","6","8","4","1") = "8"
    & skf18("4","7","9","6","8","5","1") = "8"
    & skf18("4","7","9","6","8","6","1") = "8"
    & skf18("4","7","9","6","8","7","1") = "8"
    & skf18("4","7","9","6","8","8","1") = "8"
    & skf18("4","7","9","6","8","9","1") = "8"
    & skf18("4","7","9","6","8","10","1") = "9"
    & skf18("4","7","9","6","9","1","1") = "8"
    & skf18("4","7","9","6","9","2","1") = "8"
    & skf18("4","7","9","6","9","3","1") = "8"
    & skf18("4","7","9","6","9","4","1") = "8"
    & skf18("4","7","9","6","9","5","1") = "8"
    & skf18("4","7","9","6","9","6","1") = "8"
    & skf18("4","7","9","6","9","7","1") = "8"
    & skf18("4","7","9","6","9","8","1") = "8"
    & skf18("4","7","9","6","9","9","1") = "8"
    & skf18("4","7","9","6","9","10","1") = "9"
    & skf18("4","7","9","6","10","1","1") = "9"
    & skf18("4","7","9","6","10","2","1") = "9"
    & skf18("4","7","9","6","10","3","1") = "9"
    & skf18("4","7","9","6","10","4","1") = "9"
    & skf18("4","7","9","6","10","5","1") = "9"
    & skf18("4","7","9","6","10","6","1") = "9"
    & skf18("4","7","9","6","10","7","1") = "9"
    & skf18("4","7","9","6","10","8","1") = "9"
    & skf18("4","7","9","6","10","9","1") = "9"
    & skf18("4","7","9","6","10","10","1") = "9"
    & skf18("4","7","9","7","1","1","1") = "8"
    & skf18("4","7","9","7","1","2","1") = "8"
    & skf18("4","7","9","7","1","3","1") = "8"
    & skf18("4","7","9","7","1","4","1") = "8"
    & skf18("4","7","9","7","1","5","1") = "8"
    & skf18("4","7","9","7","1","6","1") = "8"
    & skf18("4","7","9","7","1","7","1") = "8"
    & skf18("4","7","9","7","1","8","1") = "8"
    & skf18("4","7","9","7","1","9","1") = "8"
    & skf18("4","7","9","7","1","10","1") = "9"
    & skf18("4","7","9","7","2","1","1") = "8"
    & skf18("4","7","9","7","2","2","1") = "8"
    & skf18("4","7","9","7","2","3","1") = "8"
    & skf18("4","7","9","7","2","4","1") = "8"
    & skf18("4","7","9","7","2","5","1") = "8"
    & skf18("4","7","9","7","2","6","1") = "8"
    & skf18("4","7","9","7","2","7","1") = "8"
    & skf18("4","7","9","7","2","8","1") = "8"
    & skf18("4","7","9","7","2","9","1") = "8"
    & skf18("4","7","9","7","2","10","1") = "9"
    & skf18("4","7","9","7","3","1","1") = "8"
    & skf18("4","7","9","7","3","2","1") = "8"
    & skf18("4","7","9","7","3","3","1") = "8"
    & skf18("4","7","9","7","3","4","1") = "8"
    & skf18("4","7","9","7","3","5","1") = "8"
    & skf18("4","7","9","7","3","6","1") = "8"
    & skf18("4","7","9","7","3","7","1") = "8"
    & skf18("4","7","9","7","3","8","1") = "8"
    & skf18("4","7","9","7","3","9","1") = "8"
    & skf18("4","7","9","7","3","10","1") = "9"
    & skf18("4","7","9","7","4","1","1") = "8"
    & skf18("4","7","9","7","4","2","1") = "8"
    & skf18("4","7","9","7","4","3","1") = "8"
    & skf18("4","7","9","7","4","4","1") = "8"
    & skf18("4","7","9","7","4","5","1") = "8"
    & skf18("4","7","9","7","4","6","1") = "8"
    & skf18("4","7","9","7","4","7","1") = "8"
    & skf18("4","7","9","7","4","8","1") = "8"
    & skf18("4","7","9","7","4","9","1") = "8"
    & skf18("4","7","9","7","4","10","1") = "9"
    & skf18("4","7","9","7","5","1","1") = "8"
    & skf18("4","7","9","7","5","2","1") = "8"
    & skf18("4","7","9","7","5","3","1") = "8"
    & skf18("4","7","9","7","5","4","1") = "8"
    & skf18("4","7","9","7","5","5","1") = "8"
    & skf18("4","7","9","7","5","6","1") = "8"
    & skf18("4","7","9","7","5","7","1") = "8"
    & skf18("4","7","9","7","5","8","1") = "8"
    & skf18("4","7","9","7","5","9","1") = "8"
    & skf18("4","7","9","7","5","10","1") = "9"
    & skf18("4","7","9","7","6","1","1") = "8"
    & skf18("4","7","9","7","6","2","1") = "8"
    & skf18("4","7","9","7","6","3","1") = "8"
    & skf18("4","7","9","7","6","4","1") = "8"
    & skf18("4","7","9","7","6","5","1") = "8"
    & skf18("4","7","9","7","6","6","1") = "8"
    & skf18("4","7","9","7","6","7","1") = "8"
    & skf18("4","7","9","7","6","8","1") = "8"
    & skf18("4","7","9","7","6","9","1") = "8"
    & skf18("4","7","9","7","6","10","1") = "9"
    & skf18("4","7","9","7","7","1","1") = "8"
    & skf18("4","7","9","7","7","2","1") = "8"
    & skf18("4","7","9","7","7","3","1") = "8"
    & skf18("4","7","9","7","7","4","1") = "8"
    & skf18("4","7","9","7","7","5","1") = "8"
    & skf18("4","7","9","7","7","6","1") = "8"
    & skf18("4","7","9","7","7","7","1") = "8"
    & skf18("4","7","9","7","7","8","1") = "8"
    & skf18("4","7","9","7","7","9","1") = "8"
    & skf18("4","7","9","7","7","10","1") = "9"
    & skf18("4","7","9","7","8","1","1") = "8"
    & skf18("4","7","9","7","8","2","1") = "8"
    & skf18("4","7","9","7","8","3","1") = "8"
    & skf18("4","7","9","7","8","4","1") = "8"
    & skf18("4","7","9","7","8","5","1") = "8"
    & skf18("4","7","9","7","8","6","1") = "8"
    & skf18("4","7","9","7","8","7","1") = "8"
    & skf18("4","7","9","7","8","8","1") = "8"
    & skf18("4","7","9","7","8","9","1") = "8"
    & skf18("4","7","9","7","8","10","1") = "9"
    & skf18("4","7","9","7","9","1","1") = "8"
    & skf18("4","7","9","7","9","2","1") = "8"
    & skf18("4","7","9","7","9","3","1") = "8"
    & skf18("4","7","9","7","9","4","1") = "8"
    & skf18("4","7","9","7","9","5","1") = "8"
    & skf18("4","7","9","7","9","6","1") = "8"
    & skf18("4","7","9","7","9","7","1") = "8"
    & skf18("4","7","9","7","9","8","1") = "8"
    & skf18("4","7","9","7","9","9","1") = "8"
    & skf18("4","7","9","7","9","10","1") = "9"
    & skf18("4","7","9","7","10","1","1") = "9"
    & skf18("4","7","9","7","10","2","1") = "9"
    & skf18("4","7","9","7","10","3","1") = "9"
    & skf18("4","7","9","7","10","4","1") = "9"
    & skf18("4","7","9","7","10","5","1") = "9"
    & skf18("4","7","9","7","10","6","1") = "9"
    & skf18("4","7","9","7","10","7","1") = "9"
    & skf18("4","7","9","7","10","8","1") = "9"
    & skf18("4","7","9","7","10","9","1") = "9"
    & skf18("4","7","9","7","10","10","1") = "9"
    & skf18("4","7","9","8","1","1","1") = "8"
    & skf18("4","7","9","8","1","2","1") = "8"
    & skf18("4","7","9","8","1","3","1") = "8"
    & skf18("4","7","9","8","1","4","1") = "8"
    & skf18("4","7","9","8","1","5","1") = "8"
    & skf18("4","7","9","8","1","6","1") = "8"
    & skf18("4","7","9","8","1","7","1") = "8"
    & skf18("4","7","9","8","1","8","1") = "8"
    & skf18("4","7","9","8","1","9","1") = "8"
    & skf18("4","7","9","8","1","10","1") = "9"
    & skf18("4","7","9","8","2","1","1") = "8"
    & skf18("4","7","9","8","2","2","1") = "8"
    & skf18("4","7","9","8","2","3","1") = "8"
    & skf18("4","7","9","8","2","4","1") = "8"
    & skf18("4","7","9","8","2","5","1") = "8"
    & skf18("4","7","9","8","2","6","1") = "8"
    & skf18("4","7","9","8","2","7","1") = "8"
    & skf18("4","7","9","8","2","8","1") = "8"
    & skf18("4","7","9","8","2","9","1") = "8"
    & skf18("4","7","9","8","2","10","1") = "9"
    & skf18("4","7","9","8","3","1","1") = "8"
    & skf18("4","7","9","8","3","2","1") = "8"
    & skf18("4","7","9","8","3","3","1") = "8"
    & skf18("4","7","9","8","3","4","1") = "8"
    & skf18("4","7","9","8","3","5","1") = "8"
    & skf18("4","7","9","8","3","6","1") = "8"
    & skf18("4","7","9","8","3","7","1") = "8"
    & skf18("4","7","9","8","3","8","1") = "8"
    & skf18("4","7","9","8","3","9","1") = "8"
    & skf18("4","7","9","8","3","10","1") = "9"
    & skf18("4","7","9","8","4","1","1") = "8"
    & skf18("4","7","9","8","4","2","1") = "8"
    & skf18("4","7","9","8","4","3","1") = "8"
    & skf18("4","7","9","8","4","4","1") = "8"
    & skf18("4","7","9","8","4","5","1") = "8"
    & skf18("4","7","9","8","4","6","1") = "8"
    & skf18("4","7","9","8","4","7","1") = "8"
    & skf18("4","7","9","8","4","8","1") = "8"
    & skf18("4","7","9","8","4","9","1") = "8"
    & skf18("4","7","9","8","4","10","1") = "9"
    & skf18("4","7","9","8","5","1","1") = "8"
    & skf18("4","7","9","8","5","2","1") = "8"
    & skf18("4","7","9","8","5","3","1") = "8"
    & skf18("4","7","9","8","5","4","1") = "8"
    & skf18("4","7","9","8","5","5","1") = "8"
    & skf18("4","7","9","8","5","6","1") = "8"
    & skf18("4","7","9","8","5","7","1") = "8"
    & skf18("4","7","9","8","5","8","1") = "8"
    & skf18("4","7","9","8","5","9","1") = "8"
    & skf18("4","7","9","8","5","10","1") = "9"
    & skf18("4","7","9","8","6","1","1") = "8"
    & skf18("4","7","9","8","6","2","1") = "8"
    & skf18("4","7","9","8","6","3","1") = "8"
    & skf18("4","7","9","8","6","4","1") = "8"
    & skf18("4","7","9","8","6","5","1") = "8"
    & skf18("4","7","9","8","6","6","1") = "8"
    & skf18("4","7","9","8","6","7","1") = "8"
    & skf18("4","7","9","8","6","8","1") = "8"
    & skf18("4","7","9","8","6","9","1") = "8"
    & skf18("4","7","9","8","6","10","1") = "9"
    & skf18("4","7","9","8","7","1","1") = "8"
    & skf18("4","7","9","8","7","2","1") = "8"
    & skf18("4","7","9","8","7","3","1") = "8"
    & skf18("4","7","9","8","7","4","1") = "8"
    & skf18("4","7","9","8","7","5","1") = "8"
    & skf18("4","7","9","8","7","6","1") = "8"
    & skf18("4","7","9","8","7","7","1") = "8"
    & skf18("4","7","9","8","7","8","1") = "8"
    & skf18("4","7","9","8","7","9","1") = "8"
    & skf18("4","7","9","8","7","10","1") = "9"
    & skf18("4","7","9","8","8","1","1") = "8"
    & skf18("4","7","9","8","8","2","1") = "8"
    & skf18("4","7","9","8","8","3","1") = "8"
    & skf18("4","7","9","8","8","4","1") = "8"
    & skf18("4","7","9","8","8","5","1") = "8"
    & skf18("4","7","9","8","8","6","1") = "8"
    & skf18("4","7","9","8","8","7","1") = "8"
    & skf18("4","7","9","8","8","8","1") = "8"
    & skf18("4","7","9","8","8","9","1") = "8"
    & skf18("4","7","9","8","8","10","1") = "9"
    & skf18("4","7","9","8","9","1","1") = "8"
    & skf18("4","7","9","8","9","2","1") = "8"
    & skf18("4","7","9","8","9","3","1") = "8"
    & skf18("4","7","9","8","9","4","1") = "8"
    & skf18("4","7","9","8","9","5","1") = "8"
    & skf18("4","7","9","8","9","6","1") = "8"
    & skf18("4","7","9","8","9","7","1") = "8"
    & skf18("4","7","9","8","9","8","1") = "8"
    & skf18("4","7","9","8","9","9","1") = "8"
    & skf18("4","7","9","8","9","10","1") = "9"
    & skf18("4","7","9","8","10","1","1") = "9"
    & skf18("4","7","9","8","10","2","1") = "9"
    & skf18("4","7","9","8","10","3","1") = "9"
    & skf18("4","7","9","8","10","4","1") = "9"
    & skf18("4","7","9","8","10","5","1") = "9"
    & skf18("4","7","9","8","10","6","1") = "9"
    & skf18("4","7","9","8","10","7","1") = "9"
    & skf18("4","7","9","8","10","8","1") = "9"
    & skf18("4","7","9","8","10","9","1") = "9"
    & skf18("4","7","9","8","10","10","1") = "9"
    & skf18("4","7","9","9","1","1","1") = "8"
    & skf18("4","7","9","9","1","2","1") = "8"
    & skf18("4","7","9","9","1","3","1") = "8"
    & skf18("4","7","9","9","1","4","1") = "8"
    & skf18("4","7","9","9","1","5","1") = "8"
    & skf18("4","7","9","9","1","6","1") = "8"
    & skf18("4","7","9","9","1","7","1") = "8"
    & skf18("4","7","9","9","1","8","1") = "8"
    & skf18("4","7","9","9","1","9","1") = "8"
    & skf18("4","7","9","9","1","10","1") = "9"
    & skf18("4","7","9","9","2","1","1") = "8"
    & skf18("4","7","9","9","2","2","1") = "8"
    & skf18("4","7","9","9","2","3","1") = "8"
    & skf18("4","7","9","9","2","4","1") = "8"
    & skf18("4","7","9","9","2","5","1") = "8"
    & skf18("4","7","9","9","2","6","1") = "8"
    & skf18("4","7","9","9","2","7","1") = "8"
    & skf18("4","7","9","9","2","8","1") = "8"
    & skf18("4","7","9","9","2","9","1") = "8"
    & skf18("4","7","9","9","2","10","1") = "9"
    & skf18("4","7","9","9","3","1","1") = "8"
    & skf18("4","7","9","9","3","2","1") = "8"
    & skf18("4","7","9","9","3","3","1") = "8"
    & skf18("4","7","9","9","3","4","1") = "8"
    & skf18("4","7","9","9","3","5","1") = "8"
    & skf18("4","7","9","9","3","6","1") = "8"
    & skf18("4","7","9","9","3","7","1") = "8"
    & skf18("4","7","9","9","3","8","1") = "8"
    & skf18("4","7","9","9","3","9","1") = "8"
    & skf18("4","7","9","9","3","10","1") = "9"
    & skf18("4","7","9","9","4","1","1") = "8"
    & skf18("4","7","9","9","4","2","1") = "8"
    & skf18("4","7","9","9","4","3","1") = "8"
    & skf18("4","7","9","9","4","4","1") = "8"
    & skf18("4","7","9","9","4","5","1") = "8"
    & skf18("4","7","9","9","4","6","1") = "8"
    & skf18("4","7","9","9","4","7","1") = "8"
    & skf18("4","7","9","9","4","8","1") = "8"
    & skf18("4","7","9","9","4","9","1") = "8"
    & skf18("4","7","9","9","4","10","1") = "9"
    & skf18("4","7","9","9","5","1","1") = "8"
    & skf18("4","7","9","9","5","2","1") = "8"
    & skf18("4","7","9","9","5","3","1") = "8"
    & skf18("4","7","9","9","5","4","1") = "8"
    & skf18("4","7","9","9","5","5","1") = "8"
    & skf18("4","7","9","9","5","6","1") = "8"
    & skf18("4","7","9","9","5","7","1") = "8"
    & skf18("4","7","9","9","5","8","1") = "8"
    & skf18("4","7","9","9","5","9","1") = "8"
    & skf18("4","7","9","9","5","10","1") = "9"
    & skf18("4","7","9","9","6","1","1") = "8"
    & skf18("4","7","9","9","6","2","1") = "8"
    & skf18("4","7","9","9","6","3","1") = "8"
    & skf18("4","7","9","9","6","4","1") = "8"
    & skf18("4","7","9","9","6","5","1") = "8"
    & skf18("4","7","9","9","6","6","1") = "8"
    & skf18("4","7","9","9","6","7","1") = "8"
    & skf18("4","7","9","9","6","8","1") = "8"
    & skf18("4","7","9","9","6","9","1") = "8"
    & skf18("4","7","9","9","6","10","1") = "9"
    & skf18("4","7","9","9","7","1","1") = "8"
    & skf18("4","7","9","9","7","2","1") = "8"
    & skf18("4","7","9","9","7","3","1") = "8"
    & skf18("4","7","9","9","7","4","1") = "8"
    & skf18("4","7","9","9","7","5","1") = "8"
    & skf18("4","7","9","9","7","6","1") = "8"
    & skf18("4","7","9","9","7","7","1") = "8"
    & skf18("4","7","9","9","7","8","1") = "8"
    & skf18("4","7","9","9","7","9","1") = "8"
    & skf18("4","7","9","9","7","10","1") = "9"
    & skf18("4","7","9","9","8","1","1") = "8"
    & skf18("4","7","9","9","8","2","1") = "8"
    & skf18("4","7","9","9","8","3","1") = "8"
    & skf18("4","7","9","9","8","4","1") = "8"
    & skf18("4","7","9","9","8","5","1") = "8"
    & skf18("4","7","9","9","8","6","1") = "8"
    & skf18("4","7","9","9","8","7","1") = "8"
    & skf18("4","7","9","9","8","8","1") = "8"
    & skf18("4","7","9","9","8","9","1") = "8"
    & skf18("4","7","9","9","8","10","1") = "9"
    & skf18("4","7","9","9","9","1","1") = "8"
    & skf18("4","7","9","9","9","2","1") = "8"
    & skf18("4","7","9","9","9","3","1") = "8"
    & skf18("4","7","9","9","9","4","1") = "8"
    & skf18("4","7","9","9","9","5","1") = "8"
    & skf18("4","7","9","9","9","6","1") = "8"
    & skf18("4","7","9","9","9","7","1") = "8"
    & skf18("4","7","9","9","9","8","1") = "8"
    & skf18("4","7","9","9","9","9","1") = "8"
    & skf18("4","7","9","9","9","10","1") = "9"
    & skf18("4","7","9","9","10","1","1") = "9"
    & skf18("4","7","9","9","10","2","1") = "9"
    & skf18("4","7","9","9","10","3","1") = "9"
    & skf18("4","7","9","9","10","4","1") = "9"
    & skf18("4","7","9","9","10","5","1") = "9"
    & skf18("4","7","9","9","10","6","1") = "9"
    & skf18("4","7","9","9","10","7","1") = "9"
    & skf18("4","7","9","9","10","8","1") = "9"
    & skf18("4","7","9","9","10","9","1") = "9"
    & skf18("4","7","9","9","10","10","1") = "9"
    & skf18("4","7","9","10","1","1","1") = "9"
    & skf18("4","7","9","10","1","2","1") = "9"
    & skf18("4","7","9","10","1","3","1") = "9"
    & skf18("4","7","9","10","1","4","1") = "9"
    & skf18("4","7","9","10","1","5","1") = "9"
    & skf18("4","7","9","10","1","6","1") = "9"
    & skf18("4","7","9","10","1","7","1") = "9"
    & skf18("4","7","9","10","1","8","1") = "9"
    & skf18("4","7","9","10","1","9","1") = "9"
    & skf18("4","7","9","10","1","10","1") = "9"
    & skf18("4","7","9","10","2","1","1") = "9"
    & skf18("4","7","9","10","2","2","1") = "9"
    & skf18("4","7","9","10","2","3","1") = "9"
    & skf18("4","7","9","10","2","4","1") = "9"
    & skf18("4","7","9","10","2","5","1") = "9"
    & skf18("4","7","9","10","2","6","1") = "9"
    & skf18("4","7","9","10","2","7","1") = "9"
    & skf18("4","7","9","10","2","8","1") = "9"
    & skf18("4","7","9","10","2","9","1") = "9"
    & skf18("4","7","9","10","2","10","1") = "9"
    & skf18("4","7","9","10","3","1","1") = "9"
    & skf18("4","7","9","10","3","2","1") = "9"
    & skf18("4","7","9","10","3","3","1") = "9"
    & skf18("4","7","9","10","3","4","1") = "9"
    & skf18("4","7","9","10","3","5","1") = "9"
    & skf18("4","7","9","10","3","6","1") = "9"
    & skf18("4","7","9","10","3","7","1") = "9"
    & skf18("4","7","9","10","3","8","1") = "9"
    & skf18("4","7","9","10","3","9","1") = "9"
    & skf18("4","7","9","10","3","10","1") = "9"
    & skf18("4","7","9","10","4","1","1") = "9"
    & skf18("4","7","9","10","4","2","1") = "9"
    & skf18("4","7","9","10","4","3","1") = "9"
    & skf18("4","7","9","10","4","4","1") = "9"
    & skf18("4","7","9","10","4","5","1") = "9"
    & skf18("4","7","9","10","4","6","1") = "9"
    & skf18("4","7","9","10","4","7","1") = "9"
    & skf18("4","7","9","10","4","8","1") = "9"
    & skf18("4","7","9","10","4","9","1") = "9"
    & skf18("4","7","9","10","4","10","1") = "9"
    & skf18("4","7","9","10","5","1","1") = "9"
    & skf18("4","7","9","10","5","2","1") = "9"
    & skf18("4","7","9","10","5","3","1") = "9"
    & skf18("4","7","9","10","5","4","1") = "9"
    & skf18("4","7","9","10","5","5","1") = "9"
    & skf18("4","7","9","10","5","6","1") = "9"
    & skf18("4","7","9","10","5","7","1") = "9"
    & skf18("4","7","9","10","5","8","1") = "9"
    & skf18("4","7","9","10","5","9","1") = "9"
    & skf18("4","7","9","10","5","10","1") = "9"
    & skf18("4","7","9","10","6","1","1") = "9"
    & skf18("4","7","9","10","6","2","1") = "9"
    & skf18("4","7","9","10","6","3","1") = "9"
    & skf18("4","7","9","10","6","4","1") = "9"
    & skf18("4","7","9","10","6","5","1") = "9"
    & skf18("4","7","9","10","6","6","1") = "9"
    & skf18("4","7","9","10","6","7","1") = "9"
    & skf18("4","7","9","10","6","8","1") = "9"
    & skf18("4","7","9","10","6","9","1") = "9"
    & skf18("4","7","9","10","6","10","1") = "9"
    & skf18("4","7","9","10","7","1","1") = "9"
    & skf18("4","7","9","10","7","2","1") = "9"
    & skf18("4","7","9","10","7","3","1") = "9"
    & skf18("4","7","9","10","7","4","1") = "9"
    & skf18("4","7","9","10","7","5","1") = "9"
    & skf18("4","7","9","10","7","6","1") = "9"
    & skf18("4","7","9","10","7","7","1") = "9"
    & skf18("4","7","9","10","7","8","1") = "9"
    & skf18("4","7","9","10","7","9","1") = "9"
    & skf18("4","7","9","10","7","10","1") = "9"
    & skf18("4","7","9","10","8","1","1") = "9"
    & skf18("4","7","9","10","8","2","1") = "9"
    & skf18("4","7","9","10","8","3","1") = "9"
    & skf18("4","7","9","10","8","4","1") = "9"
    & skf18("4","7","9","10","8","5","1") = "9"
    & skf18("4","7","9","10","8","6","1") = "9"
    & skf18("4","7","9","10","8","7","1") = "9"
    & skf18("4","7","9","10","8","8","1") = "9"
    & skf18("4","7","9","10","8","9","1") = "9"
    & skf18("4","7","9","10","8","10","1") = "9"
    & skf18("4","7","9","10","9","1","1") = "9"
    & skf18("4","7","9","10","9","2","1") = "9"
    & skf18("4","7","9","10","9","3","1") = "9"
    & skf18("4","7","9","10","9","4","1") = "9"
    & skf18("4","7","9","10","9","5","1") = "9"
    & skf18("4","7","9","10","9","6","1") = "9"
    & skf18("4","7","9","10","9","7","1") = "9"
    & skf18("4","7","9","10","9","8","1") = "9"
    & skf18("4","7","9","10","9","9","1") = "9"
    & skf18("4","7","9","10","9","10","1") = "9"
    & skf18("4","7","9","10","10","1","1") = "9"
    & skf18("4","7","9","10","10","2","1") = "9"
    & skf18("4","7","9","10","10","3","1") = "9"
    & skf18("4","7","9","10","10","4","1") = "9"
    & skf18("4","7","9","10","10","5","1") = "9"
    & skf18("4","7","9","10","10","6","1") = "9"
    & skf18("4","7","9","10","10","7","1") = "9"
    & skf18("4","7","9","10","10","8","1") = "9"
    & skf18("4","7","9","10","10","9","1") = "9"
    & skf18("4","7","9","10","10","10","1") = "9"
    & skf18("4","7","10","1","1","1","1") = "9"
    & skf18("4","7","10","1","1","2","1") = "9"
    & skf18("4","7","10","1","1","3","1") = "9"
    & skf18("4","7","10","1","1","4","1") = "9"
    & skf18("4","7","10","1","1","5","1") = "9"
    & skf18("4","7","10","1","1","6","1") = "9"
    & skf18("4","7","10","1","1","7","1") = "9"
    & skf18("4","7","10","1","1","8","1") = "9"
    & skf18("4","7","10","1","1","9","1") = "9"
    & skf18("4","7","10","1","1","10","1") = "9"
    & skf18("4","7","10","1","2","1","1") = "9"
    & skf18("4","7","10","1","2","2","1") = "9"
    & skf18("4","7","10","1","2","3","1") = "9"
    & skf18("4","7","10","1","2","4","1") = "9"
    & skf18("4","7","10","1","2","5","1") = "9"
    & skf18("4","7","10","1","2","6","1") = "9"
    & skf18("4","7","10","1","2","7","1") = "9"
    & skf18("4","7","10","1","2","8","1") = "9"
    & skf18("4","7","10","1","2","9","1") = "9"
    & skf18("4","7","10","1","2","10","1") = "9"
    & skf18("4","7","10","1","3","1","1") = "9"
    & skf18("4","7","10","1","3","2","1") = "9"
    & skf18("4","7","10","1","3","3","1") = "9"
    & skf18("4","7","10","1","3","4","1") = "9"
    & skf18("4","7","10","1","3","5","1") = "9"
    & skf18("4","7","10","1","3","6","1") = "9"
    & skf18("4","7","10","1","3","7","1") = "9"
    & skf18("4","7","10","1","3","8","1") = "9"
    & skf18("4","7","10","1","3","9","1") = "9"
    & skf18("4","7","10","1","3","10","1") = "9"
    & skf18("4","7","10","1","4","1","1") = "9"
    & skf18("4","7","10","1","4","2","1") = "9"
    & skf18("4","7","10","1","4","3","1") = "9"
    & skf18("4","7","10","1","4","4","1") = "9"
    & skf18("4","7","10","1","4","5","1") = "9"
    & skf18("4","7","10","1","4","6","1") = "9"
    & skf18("4","7","10","1","4","7","1") = "9"
    & skf18("4","7","10","1","4","8","1") = "9"
    & skf18("4","7","10","1","4","9","1") = "9"
    & skf18("4","7","10","1","4","10","1") = "9"
    & skf18("4","7","10","1","5","1","1") = "9"
    & skf18("4","7","10","1","5","2","1") = "9"
    & skf18("4","7","10","1","5","3","1") = "9"
    & skf18("4","7","10","1","5","4","1") = "9"
    & skf18("4","7","10","1","5","5","1") = "9"
    & skf18("4","7","10","1","5","6","1") = "9"
    & skf18("4","7","10","1","5","7","1") = "9"
    & skf18("4","7","10","1","5","8","1") = "9"
    & skf18("4","7","10","1","5","9","1") = "9"
    & skf18("4","7","10","1","5","10","1") = "9"
    & skf18("4","7","10","1","6","1","1") = "9"
    & skf18("4","7","10","1","6","2","1") = "9"
    & skf18("4","7","10","1","6","3","1") = "9"
    & skf18("4","7","10","1","6","4","1") = "9"
    & skf18("4","7","10","1","6","5","1") = "9"
    & skf18("4","7","10","1","6","6","1") = "9"
    & skf18("4","7","10","1","6","7","1") = "9"
    & skf18("4","7","10","1","6","8","1") = "9"
    & skf18("4","7","10","1","6","9","1") = "9"
    & skf18("4","7","10","1","6","10","1") = "9"
    & skf18("4","7","10","1","7","1","1") = "9"
    & skf18("4","7","10","1","7","2","1") = "9"
    & skf18("4","7","10","1","7","3","1") = "9"
    & skf18("4","7","10","1","7","4","1") = "9"
    & skf18("4","7","10","1","7","5","1") = "9"
    & skf18("4","7","10","1","7","6","1") = "9"
    & skf18("4","7","10","1","7","7","1") = "9"
    & skf18("4","7","10","1","7","8","1") = "9"
    & skf18("4","7","10","1","7","9","1") = "9"
    & skf18("4","7","10","1","7","10","1") = "9"
    & skf18("4","7","10","1","8","1","1") = "9"
    & skf18("4","7","10","1","8","2","1") = "9"
    & skf18("4","7","10","1","8","3","1") = "9"
    & skf18("4","7","10","1","8","4","1") = "9"
    & skf18("4","7","10","1","8","5","1") = "9"
    & skf18("4","7","10","1","8","6","1") = "9"
    & skf18("4","7","10","1","8","7","1") = "9"
    & skf18("4","7","10","1","8","8","1") = "9"
    & skf18("4","7","10","1","8","9","1") = "9"
    & skf18("4","7","10","1","8","10","1") = "9"
    & skf18("4","7","10","1","9","1","1") = "9"
    & skf18("4","7","10","1","9","2","1") = "9"
    & skf18("4","7","10","1","9","3","1") = "9"
    & skf18("4","7","10","1","9","4","1") = "9"
    & skf18("4","7","10","1","9","5","1") = "9"
    & skf18("4","7","10","1","9","6","1") = "9"
    & skf18("4","7","10","1","9","7","1") = "9"
    & skf18("4","7","10","1","9","8","1") = "9"
    & skf18("4","7","10","1","9","9","1") = "9"
    & skf18("4","7","10","1","9","10","1") = "9"
    & skf18("4","7","10","1","10","1","1") = "9"
    & skf18("4","7","10","1","10","2","1") = "9"
    & skf18("4","7","10","1","10","3","1") = "9"
    & skf18("4","7","10","1","10","4","1") = "9"
    & skf18("4","7","10","1","10","5","1") = "9"
    & skf18("4","7","10","1","10","6","1") = "9"
    & skf18("4","7","10","1","10","7","1") = "9"
    & skf18("4","7","10","1","10","8","1") = "9"
    & skf18("4","7","10","1","10","9","1") = "9"
    & skf18("4","7","10","1","10","10","1") = "9"
    & skf18("4","7","10","2","1","1","1") = "9"
    & skf18("4","7","10","2","1","2","1") = "9"
    & skf18("4","7","10","2","1","3","1") = "9"
    & skf18("4","7","10","2","1","4","1") = "9"
    & skf18("4","7","10","2","1","5","1") = "9"
    & skf18("4","7","10","2","1","6","1") = "9"
    & skf18("4","7","10","2","1","7","1") = "9"
    & skf18("4","7","10","2","1","8","1") = "9"
    & skf18("4","7","10","2","1","9","1") = "9"
    & skf18("4","7","10","2","1","10","1") = "9"
    & skf18("4","7","10","2","2","1","1") = "9"
    & skf18("4","7","10","2","2","2","1") = "9"
    & skf18("4","7","10","2","2","3","1") = "9"
    & skf18("4","7","10","2","2","4","1") = "9"
    & skf18("4","7","10","2","2","5","1") = "9"
    & skf18("4","7","10","2","2","6","1") = "9"
    & skf18("4","7","10","2","2","7","1") = "9"
    & skf18("4","7","10","2","2","8","1") = "9"
    & skf18("4","7","10","2","2","9","1") = "9"
    & skf18("4","7","10","2","2","10","1") = "9"
    & skf18("4","7","10","2","3","1","1") = "9"
    & skf18("4","7","10","2","3","2","1") = "9"
    & skf18("4","7","10","2","3","3","1") = "9"
    & skf18("4","7","10","2","3","4","1") = "9"
    & skf18("4","7","10","2","3","5","1") = "9"
    & skf18("4","7","10","2","3","6","1") = "9"
    & skf18("4","7","10","2","3","7","1") = "9"
    & skf18("4","7","10","2","3","8","1") = "9"
    & skf18("4","7","10","2","3","9","1") = "9"
    & skf18("4","7","10","2","3","10","1") = "9"
    & skf18("4","7","10","2","4","1","1") = "9"
    & skf18("4","7","10","2","4","2","1") = "9"
    & skf18("4","7","10","2","4","3","1") = "9"
    & skf18("4","7","10","2","4","4","1") = "9"
    & skf18("4","7","10","2","4","5","1") = "9"
    & skf18("4","7","10","2","4","6","1") = "9"
    & skf18("4","7","10","2","4","7","1") = "9"
    & skf18("4","7","10","2","4","8","1") = "9"
    & skf18("4","7","10","2","4","9","1") = "9"
    & skf18("4","7","10","2","4","10","1") = "9"
    & skf18("4","7","10","2","5","1","1") = "9"
    & skf18("4","7","10","2","5","2","1") = "9"
    & skf18("4","7","10","2","5","3","1") = "9"
    & skf18("4","7","10","2","5","4","1") = "9"
    & skf18("4","7","10","2","5","5","1") = "9"
    & skf18("4","7","10","2","5","6","1") = "9"
    & skf18("4","7","10","2","5","7","1") = "9"
    & skf18("4","7","10","2","5","8","1") = "9"
    & skf18("4","7","10","2","5","9","1") = "9"
    & skf18("4","7","10","2","5","10","1") = "9"
    & skf18("4","7","10","2","6","1","1") = "9"
    & skf18("4","7","10","2","6","2","1") = "9"
    & skf18("4","7","10","2","6","3","1") = "9"
    & skf18("4","7","10","2","6","4","1") = "9"
    & skf18("4","7","10","2","6","5","1") = "9"
    & skf18("4","7","10","2","6","6","1") = "9"
    & skf18("4","7","10","2","6","7","1") = "9"
    & skf18("4","7","10","2","6","8","1") = "9"
    & skf18("4","7","10","2","6","9","1") = "9"
    & skf18("4","7","10","2","6","10","1") = "9"
    & skf18("4","7","10","2","7","1","1") = "9"
    & skf18("4","7","10","2","7","2","1") = "9"
    & skf18("4","7","10","2","7","3","1") = "9"
    & skf18("4","7","10","2","7","4","1") = "9"
    & skf18("4","7","10","2","7","5","1") = "9"
    & skf18("4","7","10","2","7","6","1") = "9"
    & skf18("4","7","10","2","7","7","1") = "9"
    & skf18("4","7","10","2","7","8","1") = "9"
    & skf18("4","7","10","2","7","9","1") = "9"
    & skf18("4","7","10","2","7","10","1") = "9"
    & skf18("4","7","10","2","8","1","1") = "9"
    & skf18("4","7","10","2","8","2","1") = "9"
    & skf18("4","7","10","2","8","3","1") = "9"
    & skf18("4","7","10","2","8","4","1") = "9"
    & skf18("4","7","10","2","8","5","1") = "9"
    & skf18("4","7","10","2","8","6","1") = "9"
    & skf18("4","7","10","2","8","7","1") = "9"
    & skf18("4","7","10","2","8","8","1") = "9"
    & skf18("4","7","10","2","8","9","1") = "9"
    & skf18("4","7","10","2","8","10","1") = "9"
    & skf18("4","7","10","2","9","1","1") = "9"
    & skf18("4","7","10","2","9","2","1") = "9"
    & skf18("4","7","10","2","9","3","1") = "9"
    & skf18("4","7","10","2","9","4","1") = "9"
    & skf18("4","7","10","2","9","5","1") = "9"
    & skf18("4","7","10","2","9","6","1") = "9"
    & skf18("4","7","10","2","9","7","1") = "9"
    & skf18("4","7","10","2","9","8","1") = "9"
    & skf18("4","7","10","2","9","9","1") = "9"
    & skf18("4","7","10","2","9","10","1") = "9"
    & skf18("4","7","10","2","10","1","1") = "9"
    & skf18("4","7","10","2","10","2","1") = "9"
    & skf18("4","7","10","2","10","3","1") = "9"
    & skf18("4","7","10","2","10","4","1") = "9"
    & skf18("4","7","10","2","10","5","1") = "9"
    & skf18("4","7","10","2","10","6","1") = "9"
    & skf18("4","7","10","2","10","7","1") = "9"
    & skf18("4","7","10","2","10","8","1") = "9"
    & skf18("4","7","10","2","10","9","1") = "9"
    & skf18("4","7","10","2","10","10","1") = "9"
    & skf18("4","7","10","3","1","1","1") = "9"
    & skf18("4","7","10","3","1","2","1") = "9"
    & skf18("4","7","10","3","1","3","1") = "9"
    & skf18("4","7","10","3","1","4","1") = "9"
    & skf18("4","7","10","3","1","5","1") = "9"
    & skf18("4","7","10","3","1","6","1") = "9"
    & skf18("4","7","10","3","1","7","1") = "9"
    & skf18("4","7","10","3","1","8","1") = "9"
    & skf18("4","7","10","3","1","9","1") = "9"
    & skf18("4","7","10","3","1","10","1") = "9"
    & skf18("4","7","10","3","2","1","1") = "9"
    & skf18("4","7","10","3","2","2","1") = "9"
    & skf18("4","7","10","3","2","3","1") = "9"
    & skf18("4","7","10","3","2","4","1") = "9"
    & skf18("4","7","10","3","2","5","1") = "9"
    & skf18("4","7","10","3","2","6","1") = "9"
    & skf18("4","7","10","3","2","7","1") = "9"
    & skf18("4","7","10","3","2","8","1") = "9"
    & skf18("4","7","10","3","2","9","1") = "9"
    & skf18("4","7","10","3","2","10","1") = "9"
    & skf18("4","7","10","3","3","1","1") = "9"
    & skf18("4","7","10","3","3","2","1") = "9"
    & skf18("4","7","10","3","3","3","1") = "9"
    & skf18("4","7","10","3","3","4","1") = "9"
    & skf18("4","7","10","3","3","5","1") = "9"
    & skf18("4","7","10","3","3","6","1") = "9"
    & skf18("4","7","10","3","3","7","1") = "9"
    & skf18("4","7","10","3","3","8","1") = "9"
    & skf18("4","7","10","3","3","9","1") = "9"
    & skf18("4","7","10","3","3","10","1") = "9"
    & skf18("4","7","10","3","4","1","1") = "9"
    & skf18("4","7","10","3","4","2","1") = "9"
    & skf18("4","7","10","3","4","3","1") = "9"
    & skf18("4","7","10","3","4","4","1") = "9"
    & skf18("4","7","10","3","4","5","1") = "9"
    & skf18("4","7","10","3","4","6","1") = "9"
    & skf18("4","7","10","3","4","7","1") = "9"
    & skf18("4","7","10","3","4","8","1") = "9"
    & skf18("4","7","10","3","4","9","1") = "9"
    & skf18("4","7","10","3","4","10","1") = "9"
    & skf18("4","7","10","3","5","1","1") = "9"
    & skf18("4","7","10","3","5","2","1") = "9"
    & skf18("4","7","10","3","5","3","1") = "9"
    & skf18("4","7","10","3","5","4","1") = "9"
    & skf18("4","7","10","3","5","5","1") = "9"
    & skf18("4","7","10","3","5","6","1") = "9"
    & skf18("4","7","10","3","5","7","1") = "9"
    & skf18("4","7","10","3","5","8","1") = "9"
    & skf18("4","7","10","3","5","9","1") = "9"
    & skf18("4","7","10","3","5","10","1") = "9"
    & skf18("4","7","10","3","6","1","1") = "9"
    & skf18("4","7","10","3","6","2","1") = "9"
    & skf18("4","7","10","3","6","3","1") = "9"
    & skf18("4","7","10","3","6","4","1") = "9"
    & skf18("4","7","10","3","6","5","1") = "9"
    & skf18("4","7","10","3","6","6","1") = "9"
    & skf18("4","7","10","3","6","7","1") = "9"
    & skf18("4","7","10","3","6","8","1") = "9"
    & skf18("4","7","10","3","6","9","1") = "9"
    & skf18("4","7","10","3","6","10","1") = "9"
    & skf18("4","7","10","3","7","1","1") = "9"
    & skf18("4","7","10","3","7","2","1") = "9"
    & skf18("4","7","10","3","7","3","1") = "9"
    & skf18("4","7","10","3","7","4","1") = "9"
    & skf18("4","7","10","3","7","5","1") = "9"
    & skf18("4","7","10","3","7","6","1") = "9"
    & skf18("4","7","10","3","7","7","1") = "9"
    & skf18("4","7","10","3","7","8","1") = "9"
    & skf18("4","7","10","3","7","9","1") = "9"
    & skf18("4","7","10","3","7","10","1") = "9"
    & skf18("4","7","10","3","8","1","1") = "9"
    & skf18("4","7","10","3","8","2","1") = "9"
    & skf18("4","7","10","3","8","3","1") = "9"
    & skf18("4","7","10","3","8","4","1") = "9"
    & skf18("4","7","10","3","8","5","1") = "9"
    & skf18("4","7","10","3","8","6","1") = "9"
    & skf18("4","7","10","3","8","7","1") = "9"
    & skf18("4","7","10","3","8","8","1") = "9"
    & skf18("4","7","10","3","8","9","1") = "9"
    & skf18("4","7","10","3","8","10","1") = "9"
    & skf18("4","7","10","3","9","1","1") = "9"
    & skf18("4","7","10","3","9","2","1") = "9"
    & skf18("4","7","10","3","9","3","1") = "9"
    & skf18("4","7","10","3","9","4","1") = "9"
    & skf18("4","7","10","3","9","5","1") = "9"
    & skf18("4","7","10","3","9","6","1") = "9"
    & skf18("4","7","10","3","9","7","1") = "9"
    & skf18("4","7","10","3","9","8","1") = "9"
    & skf18("4","7","10","3","9","9","1") = "9"
    & skf18("4","7","10","3","9","10","1") = "9"
    & skf18("4","7","10","3","10","1","1") = "9"
    & skf18("4","7","10","3","10","2","1") = "9"
    & skf18("4","7","10","3","10","3","1") = "9"
    & skf18("4","7","10","3","10","4","1") = "9"
    & skf18("4","7","10","3","10","5","1") = "9"
    & skf18("4","7","10","3","10","6","1") = "9"
    & skf18("4","7","10","3","10","7","1") = "9"
    & skf18("4","7","10","3","10","8","1") = "9"
    & skf18("4","7","10","3","10","9","1") = "9"
    & skf18("4","7","10","3","10","10","1") = "9"
    & skf18("4","7","10","4","1","1","1") = "9"
    & skf18("4","7","10","4","1","2","1") = "9"
    & skf18("4","7","10","4","1","3","1") = "9"
    & skf18("4","7","10","4","1","4","1") = "9"
    & skf18("4","7","10","4","1","5","1") = "9"
    & skf18("4","7","10","4","1","6","1") = "9"
    & skf18("4","7","10","4","1","7","1") = "9"
    & skf18("4","7","10","4","1","8","1") = "9"
    & skf18("4","7","10","4","1","9","1") = "9"
    & skf18("4","7","10","4","1","10","1") = "9"
    & skf18("4","7","10","4","2","1","1") = "9"
    & skf18("4","7","10","4","2","2","1") = "9"
    & skf18("4","7","10","4","2","3","1") = "9"
    & skf18("4","7","10","4","2","4","1") = "9"
    & skf18("4","7","10","4","2","5","1") = "9"
    & skf18("4","7","10","4","2","6","1") = "9"
    & skf18("4","7","10","4","2","7","1") = "9"
    & skf18("4","7","10","4","2","8","1") = "9"
    & skf18("4","7","10","4","2","9","1") = "9"
    & skf18("4","7","10","4","2","10","1") = "9"
    & skf18("4","7","10","4","3","1","1") = "9"
    & skf18("4","7","10","4","3","2","1") = "9"
    & skf18("4","7","10","4","3","3","1") = "9"
    & skf18("4","7","10","4","3","4","1") = "9"
    & skf18("4","7","10","4","3","5","1") = "9"
    & skf18("4","7","10","4","3","6","1") = "9"
    & skf18("4","7","10","4","3","7","1") = "9"
    & skf18("4","7","10","4","3","8","1") = "9"
    & skf18("4","7","10","4","3","9","1") = "9"
    & skf18("4","7","10","4","3","10","1") = "9"
    & skf18("4","7","10","4","4","1","1") = "9"
    & skf18("4","7","10","4","4","2","1") = "9"
    & skf18("4","7","10","4","4","3","1") = "9"
    & skf18("4","7","10","4","4","4","1") = "9"
    & skf18("4","7","10","4","4","5","1") = "9"
    & skf18("4","7","10","4","4","6","1") = "9"
    & skf18("4","7","10","4","4","7","1") = "9"
    & skf18("4","7","10","4","4","8","1") = "9"
    & skf18("4","7","10","4","4","9","1") = "9"
    & skf18("4","7","10","4","4","10","1") = "9"
    & skf18("4","7","10","4","5","1","1") = "9"
    & skf18("4","7","10","4","5","2","1") = "9"
    & skf18("4","7","10","4","5","3","1") = "9"
    & skf18("4","7","10","4","5","4","1") = "9"
    & skf18("4","7","10","4","5","5","1") = "9"
    & skf18("4","7","10","4","5","6","1") = "9"
    & skf18("4","7","10","4","5","7","1") = "9"
    & skf18("4","7","10","4","5","8","1") = "9"
    & skf18("4","7","10","4","5","9","1") = "9"
    & skf18("4","7","10","4","5","10","1") = "9"
    & skf18("4","7","10","4","6","1","1") = "9"
    & skf18("4","7","10","4","6","2","1") = "9"
    & skf18("4","7","10","4","6","3","1") = "9"
    & skf18("4","7","10","4","6","4","1") = "9"
    & skf18("4","7","10","4","6","5","1") = "9"
    & skf18("4","7","10","4","6","6","1") = "9"
    & skf18("4","7","10","4","6","7","1") = "9"
    & skf18("4","7","10","4","6","8","1") = "9"
    & skf18("4","7","10","4","6","9","1") = "9"
    & skf18("4","7","10","4","6","10","1") = "9"
    & skf18("4","7","10","4","7","1","1") = "9"
    & skf18("4","7","10","4","7","2","1") = "9"
    & skf18("4","7","10","4","7","3","1") = "9"
    & skf18("4","7","10","4","7","4","1") = "9"
    & skf18("4","7","10","4","7","5","1") = "9"
    & skf18("4","7","10","4","7","6","1") = "9"
    & skf18("4","7","10","4","7","7","1") = "9"
    & skf18("4","7","10","4","7","8","1") = "9"
    & skf18("4","7","10","4","7","9","1") = "9"
    & skf18("4","7","10","4","7","10","1") = "9"
    & skf18("4","7","10","4","8","1","1") = "9"
    & skf18("4","7","10","4","8","2","1") = "9"
    & skf18("4","7","10","4","8","3","1") = "9"
    & skf18("4","7","10","4","8","4","1") = "9"
    & skf18("4","7","10","4","8","5","1") = "9"
    & skf18("4","7","10","4","8","6","1") = "9"
    & skf18("4","7","10","4","8","7","1") = "9"
    & skf18("4","7","10","4","8","8","1") = "9"
    & skf18("4","7","10","4","8","9","1") = "9"
    & skf18("4","7","10","4","8","10","1") = "9"
    & skf18("4","7","10","4","9","1","1") = "9"
    & skf18("4","7","10","4","9","2","1") = "9"
    & skf18("4","7","10","4","9","3","1") = "9"
    & skf18("4","7","10","4","9","4","1") = "9"
    & skf18("4","7","10","4","9","5","1") = "9"
    & skf18("4","7","10","4","9","6","1") = "9"
    & skf18("4","7","10","4","9","7","1") = "9"
    & skf18("4","7","10","4","9","8","1") = "9"
    & skf18("4","7","10","4","9","9","1") = "9"
    & skf18("4","7","10","4","9","10","1") = "9"
    & skf18("4","7","10","4","10","1","1") = "9"
    & skf18("4","7","10","4","10","2","1") = "9"
    & skf18("4","7","10","4","10","3","1") = "9"
    & skf18("4","7","10","4","10","4","1") = "9"
    & skf18("4","7","10","4","10","5","1") = "9"
    & skf18("4","7","10","4","10","6","1") = "9"
    & skf18("4","7","10","4","10","7","1") = "9"
    & skf18("4","7","10","4","10","8","1") = "9"
    & skf18("4","7","10","4","10","9","1") = "9"
    & skf18("4","7","10","4","10","10","1") = "9"
    & skf18("4","7","10","5","1","1","1") = "9"
    & skf18("4","7","10","5","1","2","1") = "9"
    & skf18("4","7","10","5","1","3","1") = "9"
    & skf18("4","7","10","5","1","4","1") = "9"
    & skf18("4","7","10","5","1","5","1") = "9"
    & skf18("4","7","10","5","1","6","1") = "9"
    & skf18("4","7","10","5","1","7","1") = "9"
    & skf18("4","7","10","5","1","8","1") = "9"
    & skf18("4","7","10","5","1","9","1") = "9"
    & skf18("4","7","10","5","1","10","1") = "9"
    & skf18("4","7","10","5","2","1","1") = "9"
    & skf18("4","7","10","5","2","2","1") = "9"
    & skf18("4","7","10","5","2","3","1") = "9"
    & skf18("4","7","10","5","2","4","1") = "9"
    & skf18("4","7","10","5","2","5","1") = "9"
    & skf18("4","7","10","5","2","6","1") = "9"
    & skf18("4","7","10","5","2","7","1") = "9"
    & skf18("4","7","10","5","2","8","1") = "9"
    & skf18("4","7","10","5","2","9","1") = "9"
    & skf18("4","7","10","5","2","10","1") = "9"
    & skf18("4","7","10","5","3","1","1") = "9"
    & skf18("4","7","10","5","3","2","1") = "9"
    & skf18("4","7","10","5","3","3","1") = "9"
    & skf18("4","7","10","5","3","4","1") = "9"
    & skf18("4","7","10","5","3","5","1") = "9"
    & skf18("4","7","10","5","3","6","1") = "9"
    & skf18("4","7","10","5","3","7","1") = "9"
    & skf18("4","7","10","5","3","8","1") = "9"
    & skf18("4","7","10","5","3","9","1") = "9"
    & skf18("4","7","10","5","3","10","1") = "9"
    & skf18("4","7","10","5","4","1","1") = "9"
    & skf18("4","7","10","5","4","2","1") = "9"
    & skf18("4","7","10","5","4","3","1") = "9"
    & skf18("4","7","10","5","4","4","1") = "9"
    & skf18("4","7","10","5","4","5","1") = "9"
    & skf18("4","7","10","5","4","6","1") = "9"
    & skf18("4","7","10","5","4","7","1") = "9"
    & skf18("4","7","10","5","4","8","1") = "9"
    & skf18("4","7","10","5","4","9","1") = "9"
    & skf18("4","7","10","5","4","10","1") = "9"
    & skf18("4","7","10","5","5","1","1") = "9"
    & skf18("4","7","10","5","5","2","1") = "9"
    & skf18("4","7","10","5","5","3","1") = "9"
    & skf18("4","7","10","5","5","4","1") = "9"
    & skf18("4","7","10","5","5","5","1") = "9"
    & skf18("4","7","10","5","5","6","1") = "9"
    & skf18("4","7","10","5","5","7","1") = "9"
    & skf18("4","7","10","5","5","8","1") = "9"
    & skf18("4","7","10","5","5","9","1") = "9"
    & skf18("4","7","10","5","5","10","1") = "9"
    & skf18("4","7","10","5","6","1","1") = "9"
    & skf18("4","7","10","5","6","2","1") = "9"
    & skf18("4","7","10","5","6","3","1") = "9"
    & skf18("4","7","10","5","6","4","1") = "9"
    & skf18("4","7","10","5","6","5","1") = "9"
    & skf18("4","7","10","5","6","6","1") = "9"
    & skf18("4","7","10","5","6","7","1") = "9"
    & skf18("4","7","10","5","6","8","1") = "9"
    & skf18("4","7","10","5","6","9","1") = "9"
    & skf18("4","7","10","5","6","10","1") = "9"
    & skf18("4","7","10","5","7","1","1") = "9"
    & skf18("4","7","10","5","7","2","1") = "9"
    & skf18("4","7","10","5","7","3","1") = "9"
    & skf18("4","7","10","5","7","4","1") = "9"
    & skf18("4","7","10","5","7","5","1") = "9"
    & skf18("4","7","10","5","7","6","1") = "9"
    & skf18("4","7","10","5","7","7","1") = "9"
    & skf18("4","7","10","5","7","8","1") = "9"
    & skf18("4","7","10","5","7","9","1") = "9"
    & skf18("4","7","10","5","7","10","1") = "9"
    & skf18("4","7","10","5","8","1","1") = "9"
    & skf18("4","7","10","5","8","2","1") = "9"
    & skf18("4","7","10","5","8","3","1") = "9"
    & skf18("4","7","10","5","8","4","1") = "9"
    & skf18("4","7","10","5","8","5","1") = "9"
    & skf18("4","7","10","5","8","6","1") = "9"
    & skf18("4","7","10","5","8","7","1") = "9"
    & skf18("4","7","10","5","8","8","1") = "9"
    & skf18("4","7","10","5","8","9","1") = "9"
    & skf18("4","7","10","5","8","10","1") = "9"
    & skf18("4","7","10","5","9","1","1") = "9"
    & skf18("4","7","10","5","9","2","1") = "9"
    & skf18("4","7","10","5","9","3","1") = "9"
    & skf18("4","7","10","5","9","4","1") = "9"
    & skf18("4","7","10","5","9","5","1") = "9"
    & skf18("4","7","10","5","9","6","1") = "9"
    & skf18("4","7","10","5","9","7","1") = "9"
    & skf18("4","7","10","5","9","8","1") = "9"
    & skf18("4","7","10","5","9","9","1") = "9"
    & skf18("4","7","10","5","9","10","1") = "9"
    & skf18("4","7","10","5","10","1","1") = "9"
    & skf18("4","7","10","5","10","2","1") = "9"
    & skf18("4","7","10","5","10","3","1") = "9"
    & skf18("4","7","10","5","10","4","1") = "9"
    & skf18("4","7","10","5","10","5","1") = "9"
    & skf18("4","7","10","5","10","6","1") = "9"
    & skf18("4","7","10","5","10","7","1") = "9"
    & skf18("4","7","10","5","10","8","1") = "9"
    & skf18("4","7","10","5","10","9","1") = "9"
    & skf18("4","7","10","5","10","10","1") = "9"
    & skf18("4","7","10","6","1","1","1") = "9"
    & skf18("4","7","10","6","1","2","1") = "9"
    & skf18("4","7","10","6","1","3","1") = "9"
    & skf18("4","7","10","6","1","4","1") = "9"
    & skf18("4","7","10","6","1","5","1") = "9"
    & skf18("4","7","10","6","1","6","1") = "9"
    & skf18("4","7","10","6","1","7","1") = "9"
    & skf18("4","7","10","6","1","8","1") = "9"
    & skf18("4","7","10","6","1","9","1") = "9"
    & skf18("4","7","10","6","1","10","1") = "9"
    & skf18("4","7","10","6","2","1","1") = "9"
    & skf18("4","7","10","6","2","2","1") = "9"
    & skf18("4","7","10","6","2","3","1") = "9"
    & skf18("4","7","10","6","2","4","1") = "9"
    & skf18("4","7","10","6","2","5","1") = "9"
    & skf18("4","7","10","6","2","6","1") = "9"
    & skf18("4","7","10","6","2","7","1") = "9"
    & skf18("4","7","10","6","2","8","1") = "9"
    & skf18("4","7","10","6","2","9","1") = "9"
    & skf18("4","7","10","6","2","10","1") = "9"
    & skf18("4","7","10","6","3","1","1") = "9"
    & skf18("4","7","10","6","3","2","1") = "9"
    & skf18("4","7","10","6","3","3","1") = "9"
    & skf18("4","7","10","6","3","4","1") = "9"
    & skf18("4","7","10","6","3","5","1") = "9"
    & skf18("4","7","10","6","3","6","1") = "9"
    & skf18("4","7","10","6","3","7","1") = "9"
    & skf18("4","7","10","6","3","8","1") = "9"
    & skf18("4","7","10","6","3","9","1") = "9"
    & skf18("4","7","10","6","3","10","1") = "9"
    & skf18("4","7","10","6","4","1","1") = "9"
    & skf18("4","7","10","6","4","2","1") = "9"
    & skf18("4","7","10","6","4","3","1") = "9"
    & skf18("4","7","10","6","4","4","1") = "9"
    & skf18("4","7","10","6","4","5","1") = "9"
    & skf18("4","7","10","6","4","6","1") = "9"
    & skf18("4","7","10","6","4","7","1") = "9"
    & skf18("4","7","10","6","4","8","1") = "9"
    & skf18("4","7","10","6","4","9","1") = "9"
    & skf18("4","7","10","6","4","10","1") = "9"
    & skf18("4","7","10","6","5","1","1") = "9"
    & skf18("4","7","10","6","5","2","1") = "9"
    & skf18("4","7","10","6","5","3","1") = "9"
    & skf18("4","7","10","6","5","4","1") = "9"
    & skf18("4","7","10","6","5","5","1") = "9"
    & skf18("4","7","10","6","5","6","1") = "9"
    & skf18("4","7","10","6","5","7","1") = "9"
    & skf18("4","7","10","6","5","8","1") = "9"
    & skf18("4","7","10","6","5","9","1") = "9"
    & skf18("4","7","10","6","5","10","1") = "9"
    & skf18("4","7","10","6","6","1","1") = "9"
    & skf18("4","7","10","6","6","2","1") = "9"
    & skf18("4","7","10","6","6","3","1") = "9"
    & skf18("4","7","10","6","6","4","1") = "9"
    & skf18("4","7","10","6","6","5","1") = "9"
    & skf18("4","7","10","6","6","6","1") = "9"
    & skf18("4","7","10","6","6","7","1") = "9"
    & skf18("4","7","10","6","6","8","1") = "9"
    & skf18("4","7","10","6","6","9","1") = "9"
    & skf18("4","7","10","6","6","10","1") = "9"
    & skf18("4","7","10","6","7","1","1") = "9"
    & skf18("4","7","10","6","7","2","1") = "9"
    & skf18("4","7","10","6","7","3","1") = "9"
    & skf18("4","7","10","6","7","4","1") = "9"
    & skf18("4","7","10","6","7","5","1") = "9"
    & skf18("4","7","10","6","7","6","1") = "9"
    & skf18("4","7","10","6","7","7","1") = "9"
    & skf18("4","7","10","6","7","8","1") = "9"
    & skf18("4","7","10","6","7","9","1") = "9"
    & skf18("4","7","10","6","7","10","1") = "9"
    & skf18("4","7","10","6","8","1","1") = "9"
    & skf18("4","7","10","6","8","2","1") = "9"
    & skf18("4","7","10","6","8","3","1") = "9"
    & skf18("4","7","10","6","8","4","1") = "9"
    & skf18("4","7","10","6","8","5","1") = "9"
    & skf18("4","7","10","6","8","6","1") = "9"
    & skf18("4","7","10","6","8","7","1") = "9"
    & skf18("4","7","10","6","8","8","1") = "9"
    & skf18("4","7","10","6","8","9","1") = "9"
    & skf18("4","7","10","6","8","10","1") = "9"
    & skf18("4","7","10","6","9","1","1") = "9"
    & skf18("4","7","10","6","9","2","1") = "9"
    & skf18("4","7","10","6","9","3","1") = "9"
    & skf18("4","7","10","6","9","4","1") = "9"
    & skf18("4","7","10","6","9","5","1") = "9"
    & skf18("4","7","10","6","9","6","1") = "9"
    & skf18("4","7","10","6","9","7","1") = "9"
    & skf18("4","7","10","6","9","8","1") = "9"
    & skf18("4","7","10","6","9","9","1") = "9"
    & skf18("4","7","10","6","9","10","1") = "9"
    & skf18("4","7","10","6","10","1","1") = "9"
    & skf18("4","7","10","6","10","2","1") = "9"
    & skf18("4","7","10","6","10","3","1") = "9"
    & skf18("4","7","10","6","10","4","1") = "9"
    & skf18("4","7","10","6","10","5","1") = "9"
    & skf18("4","7","10","6","10","6","1") = "9"
    & skf18("4","7","10","6","10","7","1") = "9"
    & skf18("4","7","10","6","10","8","1") = "9"
    & skf18("4","7","10","6","10","9","1") = "9"
    & skf18("4","7","10","6","10","10","1") = "9"
    & skf18("4","7","10","7","1","1","1") = "9"
    & skf18("4","7","10","7","1","2","1") = "9"
    & skf18("4","7","10","7","1","3","1") = "9"
    & skf18("4","7","10","7","1","4","1") = "9"
    & skf18("4","7","10","7","1","5","1") = "9"
    & skf18("4","7","10","7","1","6","1") = "9"
    & skf18("4","7","10","7","1","7","1") = "9"
    & skf18("4","7","10","7","1","8","1") = "9"
    & skf18("4","7","10","7","1","9","1") = "9"
    & skf18("4","7","10","7","1","10","1") = "9"
    & skf18("4","7","10","7","2","1","1") = "9"
    & skf18("4","7","10","7","2","2","1") = "9"
    & skf18("4","7","10","7","2","3","1") = "9"
    & skf18("4","7","10","7","2","4","1") = "9"
    & skf18("4","7","10","7","2","5","1") = "9"
    & skf18("4","7","10","7","2","6","1") = "9"
    & skf18("4","7","10","7","2","7","1") = "9"
    & skf18("4","7","10","7","2","8","1") = "9"
    & skf18("4","7","10","7","2","9","1") = "9"
    & skf18("4","7","10","7","2","10","1") = "9"
    & skf18("4","7","10","7","3","1","1") = "9"
    & skf18("4","7","10","7","3","2","1") = "9"
    & skf18("4","7","10","7","3","3","1") = "9"
    & skf18("4","7","10","7","3","4","1") = "9"
    & skf18("4","7","10","7","3","5","1") = "9"
    & skf18("4","7","10","7","3","6","1") = "9"
    & skf18("4","7","10","7","3","7","1") = "9"
    & skf18("4","7","10","7","3","8","1") = "9"
    & skf18("4","7","10","7","3","9","1") = "9"
    & skf18("4","7","10","7","3","10","1") = "9"
    & skf18("4","7","10","7","4","1","1") = "9"
    & skf18("4","7","10","7","4","2","1") = "9"
    & skf18("4","7","10","7","4","3","1") = "9"
    & skf18("4","7","10","7","4","4","1") = "9"
    & skf18("4","7","10","7","4","5","1") = "9"
    & skf18("4","7","10","7","4","6","1") = "9"
    & skf18("4","7","10","7","4","7","1") = "9"
    & skf18("4","7","10","7","4","8","1") = "9"
    & skf18("4","7","10","7","4","9","1") = "9"
    & skf18("4","7","10","7","4","10","1") = "9"
    & skf18("4","7","10","7","5","1","1") = "9"
    & skf18("4","7","10","7","5","2","1") = "9"
    & skf18("4","7","10","7","5","3","1") = "9"
    & skf18("4","7","10","7","5","4","1") = "9"
    & skf18("4","7","10","7","5","5","1") = "9"
    & skf18("4","7","10","7","5","6","1") = "9"
    & skf18("4","7","10","7","5","7","1") = "9"
    & skf18("4","7","10","7","5","8","1") = "9"
    & skf18("4","7","10","7","5","9","1") = "9"
    & skf18("4","7","10","7","5","10","1") = "9"
    & skf18("4","7","10","7","6","1","1") = "9"
    & skf18("4","7","10","7","6","2","1") = "9"
    & skf18("4","7","10","7","6","3","1") = "9"
    & skf18("4","7","10","7","6","4","1") = "9"
    & skf18("4","7","10","7","6","5","1") = "9"
    & skf18("4","7","10","7","6","6","1") = "9"
    & skf18("4","7","10","7","6","7","1") = "9"
    & skf18("4","7","10","7","6","8","1") = "9"
    & skf18("4","7","10","7","6","9","1") = "9"
    & skf18("4","7","10","7","6","10","1") = "9"
    & skf18("4","7","10","7","7","1","1") = "9"
    & skf18("4","7","10","7","7","2","1") = "9"
    & skf18("4","7","10","7","7","3","1") = "9"
    & skf18("4","7","10","7","7","4","1") = "9"
    & skf18("4","7","10","7","7","5","1") = "9"
    & skf18("4","7","10","7","7","6","1") = "9"
    & skf18("4","7","10","7","7","7","1") = "9"
    & skf18("4","7","10","7","7","8","1") = "9"
    & skf18("4","7","10","7","7","9","1") = "9"
    & skf18("4","7","10","7","7","10","1") = "9"
    & skf18("4","7","10","7","8","1","1") = "9"
    & skf18("4","7","10","7","8","2","1") = "9"
    & skf18("4","7","10","7","8","3","1") = "9"
    & skf18("4","7","10","7","8","4","1") = "9"
    & skf18("4","7","10","7","8","5","1") = "9"
    & skf18("4","7","10","7","8","6","1") = "9"
    & skf18("4","7","10","7","8","7","1") = "9"
    & skf18("4","7","10","7","8","8","1") = "9"
    & skf18("4","7","10","7","8","9","1") = "9"
    & skf18("4","7","10","7","8","10","1") = "9"
    & skf18("4","7","10","7","9","1","1") = "9"
    & skf18("4","7","10","7","9","2","1") = "9"
    & skf18("4","7","10","7","9","3","1") = "9"
    & skf18("4","7","10","7","9","4","1") = "9"
    & skf18("4","7","10","7","9","5","1") = "9"
    & skf18("4","7","10","7","9","6","1") = "9"
    & skf18("4","7","10","7","9","7","1") = "9"
    & skf18("4","7","10","7","9","8","1") = "9"
    & skf18("4","7","10","7","9","9","1") = "9"
    & skf18("4","7","10","7","9","10","1") = "9"
    & skf18("4","7","10","7","10","1","1") = "9"
    & skf18("4","7","10","7","10","2","1") = "9"
    & skf18("4","7","10","7","10","3","1") = "9"
    & skf18("4","7","10","7","10","4","1") = "9"
    & skf18("4","7","10","7","10","5","1") = "9"
    & skf18("4","7","10","7","10","6","1") = "9"
    & skf18("4","7","10","7","10","7","1") = "9"
    & skf18("4","7","10","7","10","8","1") = "9"
    & skf18("4","7","10","7","10","9","1") = "9"
    & skf18("4","7","10","7","10","10","1") = "9"
    & skf18("4","7","10","8","1","1","1") = "9"
    & skf18("4","7","10","8","1","2","1") = "9"
    & skf18("4","7","10","8","1","3","1") = "9"
    & skf18("4","7","10","8","1","4","1") = "9"
    & skf18("4","7","10","8","1","5","1") = "9"
    & skf18("4","7","10","8","1","6","1") = "9"
    & skf18("4","7","10","8","1","7","1") = "9"
    & skf18("4","7","10","8","1","8","1") = "9"
    & skf18("4","7","10","8","1","9","1") = "9"
    & skf18("4","7","10","8","1","10","1") = "9"
    & skf18("4","7","10","8","2","1","1") = "9"
    & skf18("4","7","10","8","2","2","1") = "9"
    & skf18("4","7","10","8","2","3","1") = "9"
    & skf18("4","7","10","8","2","4","1") = "9"
    & skf18("4","7","10","8","2","5","1") = "9"
    & skf18("4","7","10","8","2","6","1") = "9"
    & skf18("4","7","10","8","2","7","1") = "9"
    & skf18("4","7","10","8","2","8","1") = "9"
    & skf18("4","7","10","8","2","9","1") = "9"
    & skf18("4","7","10","8","2","10","1") = "9"
    & skf18("4","7","10","8","3","1","1") = "9"
    & skf18("4","7","10","8","3","2","1") = "9"
    & skf18("4","7","10","8","3","3","1") = "9"
    & skf18("4","7","10","8","3","4","1") = "9"
    & skf18("4","7","10","8","3","5","1") = "9"
    & skf18("4","7","10","8","3","6","1") = "9"
    & skf18("4","7","10","8","3","7","1") = "9"
    & skf18("4","7","10","8","3","8","1") = "9"
    & skf18("4","7","10","8","3","9","1") = "9"
    & skf18("4","7","10","8","3","10","1") = "9"
    & skf18("4","7","10","8","4","1","1") = "9"
    & skf18("4","7","10","8","4","2","1") = "9"
    & skf18("4","7","10","8","4","3","1") = "9"
    & skf18("4","7","10","8","4","4","1") = "9"
    & skf18("4","7","10","8","4","5","1") = "9"
    & skf18("4","7","10","8","4","6","1") = "9"
    & skf18("4","7","10","8","4","7","1") = "9"
    & skf18("4","7","10","8","4","8","1") = "9"
    & skf18("4","7","10","8","4","9","1") = "9"
    & skf18("4","7","10","8","4","10","1") = "9"
    & skf18("4","7","10","8","5","1","1") = "9"
    & skf18("4","7","10","8","5","2","1") = "9"
    & skf18("4","7","10","8","5","3","1") = "9"
    & skf18("4","7","10","8","5","4","1") = "9"
    & skf18("4","7","10","8","5","5","1") = "9"
    & skf18("4","7","10","8","5","6","1") = "9"
    & skf18("4","7","10","8","5","7","1") = "9"
    & skf18("4","7","10","8","5","8","1") = "9"
    & skf18("4","7","10","8","5","9","1") = "9"
    & skf18("4","7","10","8","5","10","1") = "9"
    & skf18("4","7","10","8","6","1","1") = "9"
    & skf18("4","7","10","8","6","2","1") = "9"
    & skf18("4","7","10","8","6","3","1") = "9"
    & skf18("4","7","10","8","6","4","1") = "9"
    & skf18("4","7","10","8","6","5","1") = "9"
    & skf18("4","7","10","8","6","6","1") = "9"
    & skf18("4","7","10","8","6","7","1") = "9"
    & skf18("4","7","10","8","6","8","1") = "9"
    & skf18("4","7","10","8","6","9","1") = "9"
    & skf18("4","7","10","8","6","10","1") = "9"
    & skf18("4","7","10","8","7","1","1") = "9"
    & skf18("4","7","10","8","7","2","1") = "9"
    & skf18("4","7","10","8","7","3","1") = "9"
    & skf18("4","7","10","8","7","4","1") = "9"
    & skf18("4","7","10","8","7","5","1") = "9"
    & skf18("4","7","10","8","7","6","1") = "9"
    & skf18("4","7","10","8","7","7","1") = "9"
    & skf18("4","7","10","8","7","8","1") = "9"
    & skf18("4","7","10","8","7","9","1") = "9"
    & skf18("4","7","10","8","7","10","1") = "9"
    & skf18("4","7","10","8","8","1","1") = "9"
    & skf18("4","7","10","8","8","2","1") = "9"
    & skf18("4","7","10","8","8","3","1") = "9"
    & skf18("4","7","10","8","8","4","1") = "9"
    & skf18("4","7","10","8","8","5","1") = "9"
    & skf18("4","7","10","8","8","6","1") = "9"
    & skf18("4","7","10","8","8","7","1") = "9"
    & skf18("4","7","10","8","8","8","1") = "9"
    & skf18("4","7","10","8","8","9","1") = "9"
    & skf18("4","7","10","8","8","10","1") = "9"
    & skf18("4","7","10","8","9","1","1") = "9"
    & skf18("4","7","10","8","9","2","1") = "9"
    & skf18("4","7","10","8","9","3","1") = "9"
    & skf18("4","7","10","8","9","4","1") = "9"
    & skf18("4","7","10","8","9","5","1") = "9"
    & skf18("4","7","10","8","9","6","1") = "9"
    & skf18("4","7","10","8","9","7","1") = "9"
    & skf18("4","7","10","8","9","8","1") = "9"
    & skf18("4","7","10","8","9","9","1") = "9"
    & skf18("4","7","10","8","9","10","1") = "9"
    & skf18("4","7","10","8","10","1","1") = "9"
    & skf18("4","7","10","8","10","2","1") = "9"
    & skf18("4","7","10","8","10","3","1") = "9"
    & skf18("4","7","10","8","10","4","1") = "9"
    & skf18("4","7","10","8","10","5","1") = "9"
    & skf18("4","7","10","8","10","6","1") = "9"
    & skf18("4","7","10","8","10","7","1") = "9"
    & skf18("4","7","10","8","10","8","1") = "9"
    & skf18("4","7","10","8","10","9","1") = "9"
    & skf18("4","7","10","8","10","10","1") = "9"
    & skf18("4","7","10","9","1","1","1") = "9"
    & skf18("4","7","10","9","1","2","1") = "9"
    & skf18("4","7","10","9","1","3","1") = "9"
    & skf18("4","7","10","9","1","4","1") = "9"
    & skf18("4","7","10","9","1","5","1") = "9"
    & skf18("4","7","10","9","1","6","1") = "9"
    & skf18("4","7","10","9","1","7","1") = "9"
    & skf18("4","7","10","9","1","8","1") = "9"
    & skf18("4","7","10","9","1","9","1") = "9"
    & skf18("4","7","10","9","1","10","1") = "9"
    & skf18("4","7","10","9","2","1","1") = "9"
    & skf18("4","7","10","9","2","2","1") = "9"
    & skf18("4","7","10","9","2","3","1") = "9"
    & skf18("4","7","10","9","2","4","1") = "9"
    & skf18("4","7","10","9","2","5","1") = "9"
    & skf18("4","7","10","9","2","6","1") = "9"
    & skf18("4","7","10","9","2","7","1") = "9"
    & skf18("4","7","10","9","2","8","1") = "9"
    & skf18("4","7","10","9","2","9","1") = "9"
    & skf18("4","7","10","9","2","10","1") = "9"
    & skf18("4","7","10","9","3","1","1") = "9"
    & skf18("4","7","10","9","3","2","1") = "9"
    & skf18("4","7","10","9","3","3","1") = "9"
    & skf18("4","7","10","9","3","4","1") = "9"
    & skf18("4","7","10","9","3","5","1") = "9"
    & skf18("4","7","10","9","3","6","1") = "9"
    & skf18("4","7","10","9","3","7","1") = "9"
    & skf18("4","7","10","9","3","8","1") = "9"
    & skf18("4","7","10","9","3","9","1") = "9"
    & skf18("4","7","10","9","3","10","1") = "9"
    & skf18("4","7","10","9","4","1","1") = "9"
    & skf18("4","7","10","9","4","2","1") = "9"
    & skf18("4","7","10","9","4","3","1") = "9"
    & skf18("4","7","10","9","4","4","1") = "9"
    & skf18("4","7","10","9","4","5","1") = "9"
    & skf18("4","7","10","9","4","6","1") = "9"
    & skf18("4","7","10","9","4","7","1") = "9"
    & skf18("4","7","10","9","4","8","1") = "9"
    & skf18("4","7","10","9","4","9","1") = "9"
    & skf18("4","7","10","9","4","10","1") = "9"
    & skf18("4","7","10","9","5","1","1") = "9"
    & skf18("4","7","10","9","5","2","1") = "9"
    & skf18("4","7","10","9","5","3","1") = "9"
    & skf18("4","7","10","9","5","4","1") = "9"
    & skf18("4","7","10","9","5","5","1") = "9"
    & skf18("4","7","10","9","5","6","1") = "9"
    & skf18("4","7","10","9","5","7","1") = "9"
    & skf18("4","7","10","9","5","8","1") = "9"
    & skf18("4","7","10","9","5","9","1") = "9"
    & skf18("4","7","10","9","5","10","1") = "9"
    & skf18("4","7","10","9","6","1","1") = "9"
    & skf18("4","7","10","9","6","2","1") = "9"
    & skf18("4","7","10","9","6","3","1") = "9"
    & skf18("4","7","10","9","6","4","1") = "9"
    & skf18("4","7","10","9","6","5","1") = "9"
    & skf18("4","7","10","9","6","6","1") = "9"
    & skf18("4","7","10","9","6","7","1") = "9"
    & skf18("4","7","10","9","6","8","1") = "9"
    & skf18("4","7","10","9","6","9","1") = "9"
    & skf18("4","7","10","9","6","10","1") = "9"
    & skf18("4","7","10","9","7","1","1") = "9"
    & skf18("4","7","10","9","7","2","1") = "9"
    & skf18("4","7","10","9","7","3","1") = "9"
    & skf18("4","7","10","9","7","4","1") = "9"
    & skf18("4","7","10","9","7","5","1") = "9"
    & skf18("4","7","10","9","7","6","1") = "9"
    & skf18("4","7","10","9","7","7","1") = "9"
    & skf18("4","7","10","9","7","8","1") = "9"
    & skf18("4","7","10","9","7","9","1") = "9"
    & skf18("4","7","10","9","7","10","1") = "9"
    & skf18("4","7","10","9","8","1","1") = "9"
    & skf18("4","7","10","9","8","2","1") = "9"
    & skf18("4","7","10","9","8","3","1") = "9"
    & skf18("4","7","10","9","8","4","1") = "9"
    & skf18("4","7","10","9","8","5","1") = "9"
    & skf18("4","7","10","9","8","6","1") = "9"
    & skf18("4","7","10","9","8","7","1") = "9"
    & skf18("4","7","10","9","8","8","1") = "9"
    & skf18("4","7","10","9","8","9","1") = "9"
    & skf18("4","7","10","9","8","10","1") = "9"
    & skf18("4","7","10","9","9","1","1") = "9"
    & skf18("4","7","10","9","9","2","1") = "9"
    & skf18("4","7","10","9","9","3","1") = "9"
    & skf18("4","7","10","9","9","4","1") = "9"
    & skf18("4","7","10","9","9","5","1") = "9"
    & skf18("4","7","10","9","9","6","1") = "9"
    & skf18("4","7","10","9","9","7","1") = "9"
    & skf18("4","7","10","9","9","8","1") = "9"
    & skf18("4","7","10","9","9","9","1") = "9"
    & skf18("4","7","10","9","9","10","1") = "9"
    & skf18("4","7","10","9","10","1","1") = "9"
    & skf18("4","7","10","9","10","2","1") = "9"
    & skf18("4","7","10","9","10","3","1") = "9"
    & skf18("4","7","10","9","10","4","1") = "9"
    & skf18("4","7","10","9","10","5","1") = "9"
    & skf18("4","7","10","9","10","6","1") = "9"
    & skf18("4","7","10","9","10","7","1") = "9"
    & skf18("4","7","10","9","10","8","1") = "9"
    & skf18("4","7","10","9","10","9","1") = "9"
    & skf18("4","7","10","9","10","10","1") = "9"
    & skf18("4","7","10","10","1","1","1") = "9"
    & skf18("4","7","10","10","1","2","1") = "9"
    & skf18("4","7","10","10","1","3","1") = "9"
    & skf18("4","7","10","10","1","4","1") = "9"
    & skf18("4","7","10","10","1","5","1") = "9"
    & skf18("4","7","10","10","1","6","1") = "9"
    & skf18("4","7","10","10","1","7","1") = "9"
    & skf18("4","7","10","10","1","8","1") = "9"
    & skf18("4","7","10","10","1","9","1") = "9"
    & skf18("4","7","10","10","1","10","1") = "9"
    & skf18("4","7","10","10","2","1","1") = "9"
    & skf18("4","7","10","10","2","2","1") = "9"
    & skf18("4","7","10","10","2","3","1") = "9"
    & skf18("4","7","10","10","2","4","1") = "9"
    & skf18("4","7","10","10","2","5","1") = "9"
    & skf18("4","7","10","10","2","6","1") = "9"
    & skf18("4","7","10","10","2","7","1") = "9"
    & skf18("4","7","10","10","2","8","1") = "9"
    & skf18("4","7","10","10","2","9","1") = "9"
    & skf18("4","7","10","10","2","10","1") = "9"
    & skf18("4","7","10","10","3","1","1") = "9"
    & skf18("4","7","10","10","3","2","1") = "9"
    & skf18("4","7","10","10","3","3","1") = "9"
    & skf18("4","7","10","10","3","4","1") = "9"
    & skf18("4","7","10","10","3","5","1") = "9"
    & skf18("4","7","10","10","3","6","1") = "9"
    & skf18("4","7","10","10","3","7","1") = "9"
    & skf18("4","7","10","10","3","8","1") = "9"
    & skf18("4","7","10","10","3","9","1") = "9"
    & skf18("4","7","10","10","3","10","1") = "9"
    & skf18("4","7","10","10","4","1","1") = "9"
    & skf18("4","7","10","10","4","2","1") = "9"
    & skf18("4","7","10","10","4","3","1") = "9"
    & skf18("4","7","10","10","4","4","1") = "9"
    & skf18("4","7","10","10","4","5","1") = "9"
    & skf18("4","7","10","10","4","6","1") = "9"
    & skf18("4","7","10","10","4","7","1") = "9"
    & skf18("4","7","10","10","4","8","1") = "9"
    & skf18("4","7","10","10","4","9","1") = "9"
    & skf18("4","7","10","10","4","10","1") = "9"
    & skf18("4","7","10","10","5","1","1") = "9"
    & skf18("4","7","10","10","5","2","1") = "9"
    & skf18("4","7","10","10","5","3","1") = "9"
    & skf18("4","7","10","10","5","4","1") = "9"
    & skf18("4","7","10","10","5","5","1") = "9"
    & skf18("4","7","10","10","5","6","1") = "9"
    & skf18("4","7","10","10","5","7","1") = "9"
    & skf18("4","7","10","10","5","8","1") = "9"
    & skf18("4","7","10","10","5","9","1") = "9"
    & skf18("4","7","10","10","5","10","1") = "9"
    & skf18("4","7","10","10","6","1","1") = "9"
    & skf18("4","7","10","10","6","2","1") = "9"
    & skf18("4","7","10","10","6","3","1") = "9"
    & skf18("4","7","10","10","6","4","1") = "9"
    & skf18("4","7","10","10","6","5","1") = "9"
    & skf18("4","7","10","10","6","6","1") = "9"
    & skf18("4","7","10","10","6","7","1") = "9"
    & skf18("4","7","10","10","6","8","1") = "9"
    & skf18("4","7","10","10","6","9","1") = "9"
    & skf18("4","7","10","10","6","10","1") = "9"
    & skf18("4","7","10","10","7","1","1") = "9"
    & skf18("4","7","10","10","7","2","1") = "9"
    & skf18("4","7","10","10","7","3","1") = "9"
    & skf18("4","7","10","10","7","4","1") = "9"
    & skf18("4","7","10","10","7","5","1") = "9"
    & skf18("4","7","10","10","7","6","1") = "9"
    & skf18("4","7","10","10","7","7","1") = "9"
    & skf18("4","7","10","10","7","8","1") = "9"
    & skf18("4","7","10","10","7","9","1") = "9"
    & skf18("4","7","10","10","7","10","1") = "9"
    & skf18("4","7","10","10","8","1","1") = "9"
    & skf18("4","7","10","10","8","2","1") = "9"
    & skf18("4","7","10","10","8","3","1") = "9"
    & skf18("4","7","10","10","8","4","1") = "9"
    & skf18("4","7","10","10","8","5","1") = "9"
    & skf18("4","7","10","10","8","6","1") = "9"
    & skf18("4","7","10","10","8","7","1") = "9"
    & skf18("4","7","10","10","8","8","1") = "9"
    & skf18("4","7","10","10","8","9","1") = "9"
    & skf18("4","7","10","10","8","10","1") = "9"
    & skf18("4","7","10","10","9","1","1") = "9"
    & skf18("4","7","10","10","9","2","1") = "9"
    & skf18("4","7","10","10","9","3","1") = "9"
    & skf18("4","7","10","10","9","4","1") = "9"
    & skf18("4","7","10","10","9","5","1") = "9"
    & skf18("4","7","10","10","9","6","1") = "9"
    & skf18("4","7","10","10","9","7","1") = "9"
    & skf18("4","7","10","10","9","8","1") = "9"
    & skf18("4","7","10","10","9","9","1") = "9"
    & skf18("4","7","10","10","9","10","1") = "9"
    & skf18("4","7","10","10","10","1","1") = "9"
    & skf18("4","7","10","10","10","2","1") = "9"
    & skf18("4","7","10","10","10","3","1") = "9"
    & skf18("4","7","10","10","10","4","1") = "9"
    & skf18("4","7","10","10","10","5","1") = "9"
    & skf18("4","7","10","10","10","6","1") = "9"
    & skf18("4","7","10","10","10","7","1") = "9"
    & skf18("4","7","10","10","10","8","1") = "9"
    & skf18("4","7","10","10","10","9","1") = "9"
    & skf18("4","7","10","10","10","10","1") = "9"
    & skf18("4","8","1","1","1","1","1") = "7"
    & skf18("4","8","1","1","1","2","1") = "7"
    & skf18("4","8","1","1","1","3","1") = "7"
    & skf18("4","8","1","1","1","4","1") = "7"
    & skf18("4","8","1","1","1","5","1") = "7"
    & skf18("4","8","1","1","1","6","1") = "7"
    & skf18("4","8","1","1","1","7","1") = "7"
    & skf18("4","8","1","1","1","8","1") = "7"
    & skf18("4","8","1","1","1","9","1") = "8"
    & skf18("4","8","1","1","1","10","1") = "9"
    & skf18("4","8","1","1","2","1","1") = "7"
    & skf18("4","8","1","1","2","2","1") = "7"
    & skf18("4","8","1","1","2","3","1") = "7"
    & skf18("4","8","1","1","2","4","1") = "7"
    & skf18("4","8","1","1","2","5","1") = "7"
    & skf18("4","8","1","1","2","6","1") = "7"
    & skf18("4","8","1","1","2","7","1") = "7"
    & skf18("4","8","1","1","2","8","1") = "7"
    & skf18("4","8","1","1","2","9","1") = "8"
    & skf18("4","8","1","1","2","10","1") = "9"
    & skf18("4","8","1","1","3","1","1") = "7"
    & skf18("4","8","1","1","3","2","1") = "7"
    & skf18("4","8","1","1","3","3","1") = "7"
    & skf18("4","8","1","1","3","4","1") = "7"
    & skf18("4","8","1","1","3","5","1") = "7"
    & skf18("4","8","1","1","3","6","1") = "7"
    & skf18("4","8","1","1","3","7","1") = "7"
    & skf18("4","8","1","1","3","8","1") = "7"
    & skf18("4","8","1","1","3","9","1") = "8"
    & skf18("4","8","1","1","3","10","1") = "9"
    & skf18("4","8","1","1","4","1","1") = "7"
    & skf18("4","8","1","1","4","2","1") = "7"
    & skf18("4","8","1","1","4","3","1") = "7"
    & skf18("4","8","1","1","4","4","1") = "7"
    & skf18("4","8","1","1","4","5","1") = "7"
    & skf18("4","8","1","1","4","6","1") = "7"
    & skf18("4","8","1","1","4","7","1") = "7"
    & skf18("4","8","1","1","4","8","1") = "7"
    & skf18("4","8","1","1","4","9","1") = "8"
    & skf18("4","8","1","1","4","10","1") = "9"
    & skf18("4","8","1","1","5","1","1") = "7"
    & skf18("4","8","1","1","5","2","1") = "7"
    & skf18("4","8","1","1","5","3","1") = "7"
    & skf18("4","8","1","1","5","4","1") = "7"
    & skf18("4","8","1","1","5","5","1") = "7"
    & skf18("4","8","1","1","5","6","1") = "7"
    & skf18("4","8","1","1","5","7","1") = "7"
    & skf18("4","8","1","1","5","8","1") = "7"
    & skf18("4","8","1","1","5","9","1") = "8"
    & skf18("4","8","1","1","5","10","1") = "9"
    & skf18("4","8","1","1","6","1","1") = "7"
    & skf18("4","8","1","1","6","2","1") = "7"
    & skf18("4","8","1","1","6","3","1") = "7"
    & skf18("4","8","1","1","6","4","1") = "7"
    & skf18("4","8","1","1","6","5","1") = "7"
    & skf18("4","8","1","1","6","6","1") = "7"
    & skf18("4","8","1","1","6","7","1") = "7"
    & skf18("4","8","1","1","6","8","1") = "7"
    & skf18("4","8","1","1","6","9","1") = "8"
    & skf18("4","8","1","1","6","10","1") = "9"
    & skf18("4","8","1","1","7","1","1") = "7"
    & skf18("4","8","1","1","7","2","1") = "7"
    & skf18("4","8","1","1","7","3","1") = "7"
    & skf18("4","8","1","1","7","4","1") = "7"
    & skf18("4","8","1","1","7","5","1") = "7"
    & skf18("4","8","1","1","7","6","1") = "7"
    & skf18("4","8","1","1","7","7","1") = "7"
    & skf18("4","8","1","1","7","8","1") = "7"
    & skf18("4","8","1","1","7","9","1") = "8"
    & skf18("4","8","1","1","7","10","1") = "9"
    & skf18("4","8","1","1","8","1","1") = "7"
    & skf18("4","8","1","1","8","2","1") = "7"
    & skf18("4","8","1","1","8","3","1") = "7"
    & skf18("4","8","1","1","8","4","1") = "7"
    & skf18("4","8","1","1","8","5","1") = "7"
    & skf18("4","8","1","1","8","6","1") = "7"
    & skf18("4","8","1","1","8","7","1") = "7"
    & skf18("4","8","1","1","8","8","1") = "7"
    & skf18("4","8","1","1","8","9","1") = "8"
    & skf18("4","8","1","1","8","10","1") = "9"
    & skf18("4","8","1","1","9","1","1") = "8"
    & skf18("4","8","1","1","9","2","1") = "8"
    & skf18("4","8","1","1","9","3","1") = "8"
    & skf18("4","8","1","1","9","4","1") = "8"
    & skf18("4","8","1","1","9","5","1") = "8"
    & skf18("4","8","1","1","9","6","1") = "8"
    & skf18("4","8","1","1","9","7","1") = "8"
    & skf18("4","8","1","1","9","8","1") = "8"
    & skf18("4","8","1","1","9","9","1") = "8"
    & skf18("4","8","1","1","9","10","1") = "9"
    & skf18("4","8","1","1","10","1","1") = "9"
    & skf18("4","8","1","1","10","2","1") = "9"
    & skf18("4","8","1","1","10","3","1") = "9"
    & skf18("4","8","1","1","10","4","1") = "9"
    & skf18("4","8","1","1","10","5","1") = "9"
    & skf18("4","8","1","1","10","6","1") = "9"
    & skf18("4","8","1","1","10","7","1") = "9"
    & skf18("4","8","1","1","10","8","1") = "9"
    & skf18("4","8","1","1","10","9","1") = "9"
    & skf18("4","8","1","1","10","10","1") = "9"
    & skf18("4","8","1","2","1","1","1") = "7"
    & skf18("4","8","1","2","1","2","1") = "7"
    & skf18("4","8","1","2","1","3","1") = "7"
    & skf18("4","8","1","2","1","4","1") = "7"
    & skf18("4","8","1","2","1","5","1") = "7"
    & skf18("4","8","1","2","1","6","1") = "7"
    & skf18("4","8","1","2","1","7","1") = "7"
    & skf18("4","8","1","2","1","8","1") = "7"
    & skf18("4","8","1","2","1","9","1") = "8"
    & skf18("4","8","1","2","1","10","1") = "9"
    & skf18("4","8","1","2","2","1","1") = "7"
    & skf18("4","8","1","2","2","2","1") = "7"
    & skf18("4","8","1","2","2","3","1") = "7"
    & skf18("4","8","1","2","2","4","1") = "7"
    & skf18("4","8","1","2","2","5","1") = "7"
    & skf18("4","8","1","2","2","6","1") = "7"
    & skf18("4","8","1","2","2","7","1") = "7"
    & skf18("4","8","1","2","2","8","1") = "7"
    & skf18("4","8","1","2","2","9","1") = "8"
    & skf18("4","8","1","2","2","10","1") = "9"
    & skf18("4","8","1","2","3","1","1") = "7"
    & skf18("4","8","1","2","3","2","1") = "7"
    & skf18("4","8","1","2","3","3","1") = "7"
    & skf18("4","8","1","2","3","4","1") = "7"
    & skf18("4","8","1","2","3","5","1") = "7"
    & skf18("4","8","1","2","3","6","1") = "7"
    & skf18("4","8","1","2","3","7","1") = "7"
    & skf18("4","8","1","2","3","8","1") = "7"
    & skf18("4","8","1","2","3","9","1") = "8"
    & skf18("4","8","1","2","3","10","1") = "9"
    & skf18("4","8","1","2","4","1","1") = "7"
    & skf18("4","8","1","2","4","2","1") = "7"
    & skf18("4","8","1","2","4","3","1") = "7"
    & skf18("4","8","1","2","4","4","1") = "7"
    & skf18("4","8","1","2","4","5","1") = "7"
    & skf18("4","8","1","2","4","6","1") = "7"
    & skf18("4","8","1","2","4","7","1") = "7"
    & skf18("4","8","1","2","4","8","1") = "7"
    & skf18("4","8","1","2","4","9","1") = "8"
    & skf18("4","8","1","2","4","10","1") = "9"
    & skf18("4","8","1","2","5","1","1") = "7"
    & skf18("4","8","1","2","5","2","1") = "7"
    & skf18("4","8","1","2","5","3","1") = "7"
    & skf18("4","8","1","2","5","4","1") = "7"
    & skf18("4","8","1","2","5","5","1") = "7"
    & skf18("4","8","1","2","5","6","1") = "7"
    & skf18("4","8","1","2","5","7","1") = "7"
    & skf18("4","8","1","2","5","8","1") = "7"
    & skf18("4","8","1","2","5","9","1") = "8"
    & skf18("4","8","1","2","5","10","1") = "9"
    & skf18("4","8","1","2","6","1","1") = "7"
    & skf18("4","8","1","2","6","2","1") = "7"
    & skf18("4","8","1","2","6","3","1") = "7"
    & skf18("4","8","1","2","6","4","1") = "7"
    & skf18("4","8","1","2","6","5","1") = "7"
    & skf18("4","8","1","2","6","6","1") = "7"
    & skf18("4","8","1","2","6","7","1") = "7"
    & skf18("4","8","1","2","6","8","1") = "7"
    & skf18("4","8","1","2","6","9","1") = "8"
    & skf18("4","8","1","2","6","10","1") = "9"
    & skf18("4","8","1","2","7","1","1") = "7"
    & skf18("4","8","1","2","7","2","1") = "7"
    & skf18("4","8","1","2","7","3","1") = "7"
    & skf18("4","8","1","2","7","4","1") = "7"
    & skf18("4","8","1","2","7","5","1") = "7"
    & skf18("4","8","1","2","7","6","1") = "7"
    & skf18("4","8","1","2","7","7","1") = "7"
    & skf18("4","8","1","2","7","8","1") = "7"
    & skf18("4","8","1","2","7","9","1") = "8"
    & skf18("4","8","1","2","7","10","1") = "9"
    & skf18("4","8","1","2","8","1","1") = "7"
    & skf18("4","8","1","2","8","2","1") = "7"
    & skf18("4","8","1","2","8","3","1") = "7"
    & skf18("4","8","1","2","8","4","1") = "7"
    & skf18("4","8","1","2","8","5","1") = "7"
    & skf18("4","8","1","2","8","6","1") = "7"
    & skf18("4","8","1","2","8","7","1") = "7"
    & skf18("4","8","1","2","8","8","1") = "7"
    & skf18("4","8","1","2","8","9","1") = "8"
    & skf18("4","8","1","2","8","10","1") = "9"
    & skf18("4","8","1","2","9","1","1") = "8"
    & skf18("4","8","1","2","9","2","1") = "8"
    & skf18("4","8","1","2","9","3","1") = "8"
    & skf18("4","8","1","2","9","4","1") = "8"
    & skf18("4","8","1","2","9","5","1") = "8"
    & skf18("4","8","1","2","9","6","1") = "8"
    & skf18("4","8","1","2","9","7","1") = "8"
    & skf18("4","8","1","2","9","8","1") = "8"
    & skf18("4","8","1","2","9","9","1") = "8"
    & skf18("4","8","1","2","9","10","1") = "9"
    & skf18("4","8","1","2","10","1","1") = "9"
    & skf18("4","8","1","2","10","2","1") = "9"
    & skf18("4","8","1","2","10","3","1") = "9"
    & skf18("4","8","1","2","10","4","1") = "9"
    & skf18("4","8","1","2","10","5","1") = "9"
    & skf18("4","8","1","2","10","6","1") = "9"
    & skf18("4","8","1","2","10","7","1") = "9"
    & skf18("4","8","1","2","10","8","1") = "9"
    & skf18("4","8","1","2","10","9","1") = "9"
    & skf18("4","8","1","2","10","10","1") = "9"
    & skf18("4","8","1","3","1","1","1") = "7"
    & skf18("4","8","1","3","1","2","1") = "7"
    & skf18("4","8","1","3","1","3","1") = "7"
    & skf18("4","8","1","3","1","4","1") = "7"
    & skf18("4","8","1","3","1","5","1") = "7"
    & skf18("4","8","1","3","1","6","1") = "7"
    & skf18("4","8","1","3","1","7","1") = "7"
    & skf18("4","8","1","3","1","8","1") = "7"
    & skf18("4","8","1","3","1","9","1") = "8"
    & skf18("4","8","1","3","1","10","1") = "9"
    & skf18("4","8","1","3","2","1","1") = "7"
    & skf18("4","8","1","3","2","2","1") = "7"
    & skf18("4","8","1","3","2","3","1") = "7"
    & skf18("4","8","1","3","2","4","1") = "7"
    & skf18("4","8","1","3","2","5","1") = "7"
    & skf18("4","8","1","3","2","6","1") = "7"
    & skf18("4","8","1","3","2","7","1") = "7"
    & skf18("4","8","1","3","2","8","1") = "7"
    & skf18("4","8","1","3","2","9","1") = "8"
    & skf18("4","8","1","3","2","10","1") = "9"
    & skf18("4","8","1","3","3","1","1") = "7"
    & skf18("4","8","1","3","3","2","1") = "7"
    & skf18("4","8","1","3","3","3","1") = "7"
    & skf18("4","8","1","3","3","4","1") = "7"
    & skf18("4","8","1","3","3","5","1") = "7"
    & skf18("4","8","1","3","3","6","1") = "7"
    & skf18("4","8","1","3","3","7","1") = "7"
    & skf18("4","8","1","3","3","8","1") = "7"
    & skf18("4","8","1","3","3","9","1") = "8"
    & skf18("4","8","1","3","3","10","1") = "9"
    & skf18("4","8","1","3","4","1","1") = "7"
    & skf18("4","8","1","3","4","2","1") = "7"
    & skf18("4","8","1","3","4","3","1") = "7"
    & skf18("4","8","1","3","4","4","1") = "7"
    & skf18("4","8","1","3","4","5","1") = "7"
    & skf18("4","8","1","3","4","6","1") = "7"
    & skf18("4","8","1","3","4","7","1") = "7"
    & skf18("4","8","1","3","4","8","1") = "7"
    & skf18("4","8","1","3","4","9","1") = "8"
    & skf18("4","8","1","3","4","10","1") = "9"
    & skf18("4","8","1","3","5","1","1") = "7"
    & skf18("4","8","1","3","5","2","1") = "7"
    & skf18("4","8","1","3","5","3","1") = "7"
    & skf18("4","8","1","3","5","4","1") = "7"
    & skf18("4","8","1","3","5","5","1") = "7"
    & skf18("4","8","1","3","5","6","1") = "7"
    & skf18("4","8","1","3","5","7","1") = "7"
    & skf18("4","8","1","3","5","8","1") = "7"
    & skf18("4","8","1","3","5","9","1") = "8"
    & skf18("4","8","1","3","5","10","1") = "9"
    & skf18("4","8","1","3","6","1","1") = "7"
    & skf18("4","8","1","3","6","2","1") = "7"
    & skf18("4","8","1","3","6","3","1") = "7"
    & skf18("4","8","1","3","6","4","1") = "7"
    & skf18("4","8","1","3","6","5","1") = "7"
    & skf18("4","8","1","3","6","6","1") = "7"
    & skf18("4","8","1","3","6","7","1") = "7"
    & skf18("4","8","1","3","6","8","1") = "7"
    & skf18("4","8","1","3","6","9","1") = "8"
    & skf18("4","8","1","3","6","10","1") = "9"
    & skf18("4","8","1","3","7","1","1") = "7"
    & skf18("4","8","1","3","7","2","1") = "7"
    & skf18("4","8","1","3","7","3","1") = "7"
    & skf18("4","8","1","3","7","4","1") = "7"
    & skf18("4","8","1","3","7","5","1") = "7"
    & skf18("4","8","1","3","7","6","1") = "7"
    & skf18("4","8","1","3","7","7","1") = "7"
    & skf18("4","8","1","3","7","8","1") = "7"
    & skf18("4","8","1","3","7","9","1") = "8"
    & skf18("4","8","1","3","7","10","1") = "9"
    & skf18("4","8","1","3","8","1","1") = "7"
    & skf18("4","8","1","3","8","2","1") = "7"
    & skf18("4","8","1","3","8","3","1") = "7"
    & skf18("4","8","1","3","8","4","1") = "7"
    & skf18("4","8","1","3","8","5","1") = "7"
    & skf18("4","8","1","3","8","6","1") = "7"
    & skf18("4","8","1","3","8","7","1") = "7"
    & skf18("4","8","1","3","8","8","1") = "7"
    & skf18("4","8","1","3","8","9","1") = "8"
    & skf18("4","8","1","3","8","10","1") = "9"
    & skf18("4","8","1","3","9","1","1") = "8"
    & skf18("4","8","1","3","9","2","1") = "8"
    & skf18("4","8","1","3","9","3","1") = "8"
    & skf18("4","8","1","3","9","4","1") = "8"
    & skf18("4","8","1","3","9","5","1") = "8"
    & skf18("4","8","1","3","9","6","1") = "8"
    & skf18("4","8","1","3","9","7","1") = "8"
    & skf18("4","8","1","3","9","8","1") = "8"
    & skf18("4","8","1","3","9","9","1") = "8"
    & skf18("4","8","1","3","9","10","1") = "9"
    & skf18("4","8","1","3","10","1","1") = "9"
    & skf18("4","8","1","3","10","2","1") = "9"
    & skf18("4","8","1","3","10","3","1") = "9"
    & skf18("4","8","1","3","10","4","1") = "9"
    & skf18("4","8","1","3","10","5","1") = "9"
    & skf18("4","8","1","3","10","6","1") = "9"
    & skf18("4","8","1","3","10","7","1") = "9"
    & skf18("4","8","1","3","10","8","1") = "9"
    & skf18("4","8","1","3","10","9","1") = "9"
    & skf18("4","8","1","3","10","10","1") = "9"
    & skf18("4","8","1","4","1","1","1") = "7"
    & skf18("4","8","1","4","1","2","1") = "7"
    & skf18("4","8","1","4","1","3","1") = "7"
    & skf18("4","8","1","4","1","4","1") = "7"
    & skf18("4","8","1","4","1","5","1") = "7"
    & skf18("4","8","1","4","1","6","1") = "7"
    & skf18("4","8","1","4","1","7","1") = "7"
    & skf18("4","8","1","4","1","8","1") = "7"
    & skf18("4","8","1","4","1","9","1") = "8"
    & skf18("4","8","1","4","1","10","1") = "9"
    & skf18("4","8","1","4","2","1","1") = "7"
    & skf18("4","8","1","4","2","2","1") = "7"
    & skf18("4","8","1","4","2","3","1") = "7"
    & skf18("4","8","1","4","2","4","1") = "7"
    & skf18("4","8","1","4","2","5","1") = "7"
    & skf18("4","8","1","4","2","6","1") = "7"
    & skf18("4","8","1","4","2","7","1") = "7"
    & skf18("4","8","1","4","2","8","1") = "7"
    & skf18("4","8","1","4","2","9","1") = "8"
    & skf18("4","8","1","4","2","10","1") = "9"
    & skf18("4","8","1","4","3","1","1") = "7"
    & skf18("4","8","1","4","3","2","1") = "7"
    & skf18("4","8","1","4","3","3","1") = "7"
    & skf18("4","8","1","4","3","4","1") = "7"
    & skf18("4","8","1","4","3","5","1") = "7"
    & skf18("4","8","1","4","3","6","1") = "7"
    & skf18("4","8","1","4","3","7","1") = "7"
    & skf18("4","8","1","4","3","8","1") = "7"
    & skf18("4","8","1","4","3","9","1") = "8"
    & skf18("4","8","1","4","3","10","1") = "9"
    & skf18("4","8","1","4","4","1","1") = "7"
    & skf18("4","8","1","4","4","2","1") = "7"
    & skf18("4","8","1","4","4","3","1") = "7"
    & skf18("4","8","1","4","4","4","1") = "7"
    & skf18("4","8","1","4","4","5","1") = "7"
    & skf18("4","8","1","4","4","6","1") = "7"
    & skf18("4","8","1","4","4","7","1") = "7"
    & skf18("4","8","1","4","4","8","1") = "7"
    & skf18("4","8","1","4","4","9","1") = "8"
    & skf18("4","8","1","4","4","10","1") = "9"
    & skf18("4","8","1","4","5","1","1") = "7"
    & skf18("4","8","1","4","5","2","1") = "7"
    & skf18("4","8","1","4","5","3","1") = "7"
    & skf18("4","8","1","4","5","4","1") = "7"
    & skf18("4","8","1","4","5","5","1") = "7"
    & skf18("4","8","1","4","5","6","1") = "7"
    & skf18("4","8","1","4","5","7","1") = "7"
    & skf18("4","8","1","4","5","8","1") = "7"
    & skf18("4","8","1","4","5","9","1") = "8"
    & skf18("4","8","1","4","5","10","1") = "9"
    & skf18("4","8","1","4","6","1","1") = "7"
    & skf18("4","8","1","4","6","2","1") = "7"
    & skf18("4","8","1","4","6","3","1") = "7"
    & skf18("4","8","1","4","6","4","1") = "7"
    & skf18("4","8","1","4","6","5","1") = "7"
    & skf18("4","8","1","4","6","6","1") = "7"
    & skf18("4","8","1","4","6","7","1") = "7"
    & skf18("4","8","1","4","6","8","1") = "7"
    & skf18("4","8","1","4","6","9","1") = "8"
    & skf18("4","8","1","4","6","10","1") = "9"
    & skf18("4","8","1","4","7","1","1") = "7"
    & skf18("4","8","1","4","7","2","1") = "7"
    & skf18("4","8","1","4","7","3","1") = "7"
    & skf18("4","8","1","4","7","4","1") = "7"
    & skf18("4","8","1","4","7","5","1") = "7"
    & skf18("4","8","1","4","7","6","1") = "7"
    & skf18("4","8","1","4","7","7","1") = "7"
    & skf18("4","8","1","4","7","8","1") = "7"
    & skf18("4","8","1","4","7","9","1") = "8"
    & skf18("4","8","1","4","7","10","1") = "9"
    & skf18("4","8","1","4","8","1","1") = "7"
    & skf18("4","8","1","4","8","2","1") = "7"
    & skf18("4","8","1","4","8","3","1") = "7"
    & skf18("4","8","1","4","8","4","1") = "7"
    & skf18("4","8","1","4","8","5","1") = "7"
    & skf18("4","8","1","4","8","6","1") = "7"
    & skf18("4","8","1","4","8","7","1") = "7"
    & skf18("4","8","1","4","8","8","1") = "7"
    & skf18("4","8","1","4","8","9","1") = "8"
    & skf18("4","8","1","4","8","10","1") = "9"
    & skf18("4","8","1","4","9","1","1") = "8"
    & skf18("4","8","1","4","9","2","1") = "8"
    & skf18("4","8","1","4","9","3","1") = "8"
    & skf18("4","8","1","4","9","4","1") = "8"
    & skf18("4","8","1","4","9","5","1") = "8"
    & skf18("4","8","1","4","9","6","1") = "8"
    & skf18("4","8","1","4","9","7","1") = "8"
    & skf18("4","8","1","4","9","8","1") = "8"
    & skf18("4","8","1","4","9","9","1") = "8"
    & skf18("4","8","1","4","9","10","1") = "9"
    & skf18("4","8","1","4","10","1","1") = "9"
    & skf18("4","8","1","4","10","2","1") = "9"
    & skf18("4","8","1","4","10","3","1") = "9"
    & skf18("4","8","1","4","10","4","1") = "9"
    & skf18("4","8","1","4","10","5","1") = "9"
    & skf18("4","8","1","4","10","6","1") = "9"
    & skf18("4","8","1","4","10","7","1") = "9"
    & skf18("4","8","1","4","10","8","1") = "9"
    & skf18("4","8","1","4","10","9","1") = "9"
    & skf18("4","8","1","4","10","10","1") = "9"
    & skf18("4","8","1","5","1","1","1") = "7"
    & skf18("4","8","1","5","1","2","1") = "7"
    & skf18("4","8","1","5","1","3","1") = "7"
    & skf18("4","8","1","5","1","4","1") = "7"
    & skf18("4","8","1","5","1","5","1") = "7"
    & skf18("4","8","1","5","1","6","1") = "7"
    & skf18("4","8","1","5","1","7","1") = "7"
    & skf18("4","8","1","5","1","8","1") = "7"
    & skf18("4","8","1","5","1","9","1") = "8"
    & skf18("4","8","1","5","1","10","1") = "9"
    & skf18("4","8","1","5","2","1","1") = "7"
    & skf18("4","8","1","5","2","2","1") = "7"
    & skf18("4","8","1","5","2","3","1") = "7"
    & skf18("4","8","1","5","2","4","1") = "7"
    & skf18("4","8","1","5","2","5","1") = "7"
    & skf18("4","8","1","5","2","6","1") = "7"
    & skf18("4","8","1","5","2","7","1") = "7"
    & skf18("4","8","1","5","2","8","1") = "7"
    & skf18("4","8","1","5","2","9","1") = "8"
    & skf18("4","8","1","5","2","10","1") = "9"
    & skf18("4","8","1","5","3","1","1") = "7"
    & skf18("4","8","1","5","3","2","1") = "7"
    & skf18("4","8","1","5","3","3","1") = "7"
    & skf18("4","8","1","5","3","4","1") = "7"
    & skf18("4","8","1","5","3","5","1") = "7"
    & skf18("4","8","1","5","3","6","1") = "7"
    & skf18("4","8","1","5","3","7","1") = "7"
    & skf18("4","8","1","5","3","8","1") = "7"
    & skf18("4","8","1","5","3","9","1") = "8"
    & skf18("4","8","1","5","3","10","1") = "9"
    & skf18("4","8","1","5","4","1","1") = "7"
    & skf18("4","8","1","5","4","2","1") = "7"
    & skf18("4","8","1","5","4","3","1") = "7"
    & skf18("4","8","1","5","4","4","1") = "7"
    & skf18("4","8","1","5","4","5","1") = "7"
    & skf18("4","8","1","5","4","6","1") = "7"
    & skf18("4","8","1","5","4","7","1") = "7"
    & skf18("4","8","1","5","4","8","1") = "7"
    & skf18("4","8","1","5","4","9","1") = "8"
    & skf18("4","8","1","5","4","10","1") = "9"
    & skf18("4","8","1","5","5","1","1") = "7"
    & skf18("4","8","1","5","5","2","1") = "7"
    & skf18("4","8","1","5","5","3","1") = "7"
    & skf18("4","8","1","5","5","4","1") = "7"
    & skf18("4","8","1","5","5","5","1") = "7"
    & skf18("4","8","1","5","5","6","1") = "7"
    & skf18("4","8","1","5","5","7","1") = "7"
    & skf18("4","8","1","5","5","8","1") = "7"
    & skf18("4","8","1","5","5","9","1") = "8"
    & skf18("4","8","1","5","5","10","1") = "9"
    & skf18("4","8","1","5","6","1","1") = "7"
    & skf18("4","8","1","5","6","2","1") = "7"
    & skf18("4","8","1","5","6","3","1") = "7"
    & skf18("4","8","1","5","6","4","1") = "7"
    & skf18("4","8","1","5","6","5","1") = "7"
    & skf18("4","8","1","5","6","6","1") = "7"
    & skf18("4","8","1","5","6","7","1") = "7"
    & skf18("4","8","1","5","6","8","1") = "7"
    & skf18("4","8","1","5","6","9","1") = "8"
    & skf18("4","8","1","5","6","10","1") = "9"
    & skf18("4","8","1","5","7","1","1") = "7"
    & skf18("4","8","1","5","7","2","1") = "7"
    & skf18("4","8","1","5","7","3","1") = "7"
    & skf18("4","8","1","5","7","4","1") = "7"
    & skf18("4","8","1","5","7","5","1") = "7"
    & skf18("4","8","1","5","7","6","1") = "7"
    & skf18("4","8","1","5","7","7","1") = "7"
    & skf18("4","8","1","5","7","8","1") = "7"
    & skf18("4","8","1","5","7","9","1") = "8"
    & skf18("4","8","1","5","7","10","1") = "9"
    & skf18("4","8","1","5","8","1","1") = "7"
    & skf18("4","8","1","5","8","2","1") = "7"
    & skf18("4","8","1","5","8","3","1") = "7"
    & skf18("4","8","1","5","8","4","1") = "7"
    & skf18("4","8","1","5","8","5","1") = "7"
    & skf18("4","8","1","5","8","6","1") = "7"
    & skf18("4","8","1","5","8","7","1") = "7"
    & skf18("4","8","1","5","8","8","1") = "7"
    & skf18("4","8","1","5","8","9","1") = "8"
    & skf18("4","8","1","5","8","10","1") = "9"
    & skf18("4","8","1","5","9","1","1") = "8"
    & skf18("4","8","1","5","9","2","1") = "8"
    & skf18("4","8","1","5","9","3","1") = "8"
    & skf18("4","8","1","5","9","4","1") = "8"
    & skf18("4","8","1","5","9","5","1") = "8"
    & skf18("4","8","1","5","9","6","1") = "8"
    & skf18("4","8","1","5","9","7","1") = "8"
    & skf18("4","8","1","5","9","8","1") = "8"
    & skf18("4","8","1","5","9","9","1") = "8"
    & skf18("4","8","1","5","9","10","1") = "9"
    & skf18("4","8","1","5","10","1","1") = "9"
    & skf18("4","8","1","5","10","2","1") = "9"
    & skf18("4","8","1","5","10","3","1") = "9"
    & skf18("4","8","1","5","10","4","1") = "9"
    & skf18("4","8","1","5","10","5","1") = "9"
    & skf18("4","8","1","5","10","6","1") = "9"
    & skf18("4","8","1","5","10","7","1") = "9"
    & skf18("4","8","1","5","10","8","1") = "9"
    & skf18("4","8","1","5","10","9","1") = "9"
    & skf18("4","8","1","5","10","10","1") = "9"
    & skf18("4","8","1","6","1","1","1") = "7"
    & skf18("4","8","1","6","1","2","1") = "7"
    & skf18("4","8","1","6","1","3","1") = "7"
    & skf18("4","8","1","6","1","4","1") = "7"
    & skf18("4","8","1","6","1","5","1") = "7"
    & skf18("4","8","1","6","1","6","1") = "7"
    & skf18("4","8","1","6","1","7","1") = "7"
    & skf18("4","8","1","6","1","8","1") = "7"
    & skf18("4","8","1","6","1","9","1") = "8"
    & skf18("4","8","1","6","1","10","1") = "9"
    & skf18("4","8","1","6","2","1","1") = "7"
    & skf18("4","8","1","6","2","2","1") = "7"
    & skf18("4","8","1","6","2","3","1") = "7"
    & skf18("4","8","1","6","2","4","1") = "7"
    & skf18("4","8","1","6","2","5","1") = "7"
    & skf18("4","8","1","6","2","6","1") = "7"
    & skf18("4","8","1","6","2","7","1") = "7"
    & skf18("4","8","1","6","2","8","1") = "7"
    & skf18("4","8","1","6","2","9","1") = "8"
    & skf18("4","8","1","6","2","10","1") = "9"
    & skf18("4","8","1","6","3","1","1") = "7"
    & skf18("4","8","1","6","3","2","1") = "7"
    & skf18("4","8","1","6","3","3","1") = "7"
    & skf18("4","8","1","6","3","4","1") = "7"
    & skf18("4","8","1","6","3","5","1") = "7"
    & skf18("4","8","1","6","3","6","1") = "7"
    & skf18("4","8","1","6","3","7","1") = "7"
    & skf18("4","8","1","6","3","8","1") = "7"
    & skf18("4","8","1","6","3","9","1") = "8"
    & skf18("4","8","1","6","3","10","1") = "9"
    & skf18("4","8","1","6","4","1","1") = "7"
    & skf18("4","8","1","6","4","2","1") = "7"
    & skf18("4","8","1","6","4","3","1") = "7"
    & skf18("4","8","1","6","4","4","1") = "7"
    & skf18("4","8","1","6","4","5","1") = "7"
    & skf18("4","8","1","6","4","6","1") = "7"
    & skf18("4","8","1","6","4","7","1") = "7"
    & skf18("4","8","1","6","4","8","1") = "7"
    & skf18("4","8","1","6","4","9","1") = "8"
    & skf18("4","8","1","6","4","10","1") = "9"
    & skf18("4","8","1","6","5","1","1") = "7"
    & skf18("4","8","1","6","5","2","1") = "7"
    & skf18("4","8","1","6","5","3","1") = "7"
    & skf18("4","8","1","6","5","4","1") = "7"
    & skf18("4","8","1","6","5","5","1") = "7"
    & skf18("4","8","1","6","5","6","1") = "7"
    & skf18("4","8","1","6","5","7","1") = "7"
    & skf18("4","8","1","6","5","8","1") = "7"
    & skf18("4","8","1","6","5","9","1") = "8"
    & skf18("4","8","1","6","5","10","1") = "9"
    & skf18("4","8","1","6","6","1","1") = "7"
    & skf18("4","8","1","6","6","2","1") = "7"
    & skf18("4","8","1","6","6","3","1") = "7"
    & skf18("4","8","1","6","6","4","1") = "7"
    & skf18("4","8","1","6","6","5","1") = "7"
    & skf18("4","8","1","6","6","6","1") = "7"
    & skf18("4","8","1","6","6","7","1") = "7"
    & skf18("4","8","1","6","6","8","1") = "7"
    & skf18("4","8","1","6","6","9","1") = "8"
    & skf18("4","8","1","6","6","10","1") = "9"
    & skf18("4","8","1","6","7","1","1") = "7"
    & skf18("4","8","1","6","7","2","1") = "7"
    & skf18("4","8","1","6","7","3","1") = "7"
    & skf18("4","8","1","6","7","4","1") = "7"
    & skf18("4","8","1","6","7","5","1") = "7"
    & skf18("4","8","1","6","7","6","1") = "7"
    & skf18("4","8","1","6","7","7","1") = "7"
    & skf18("4","8","1","6","7","8","1") = "7"
    & skf18("4","8","1","6","7","9","1") = "8"
    & skf18("4","8","1","6","7","10","1") = "9"
    & skf18("4","8","1","6","8","1","1") = "7"
    & skf18("4","8","1","6","8","2","1") = "7"
    & skf18("4","8","1","6","8","3","1") = "7"
    & skf18("4","8","1","6","8","4","1") = "7"
    & skf18("4","8","1","6","8","5","1") = "7"
    & skf18("4","8","1","6","8","6","1") = "7"
    & skf18("4","8","1","6","8","7","1") = "7"
    & skf18("4","8","1","6","8","8","1") = "7"
    & skf18("4","8","1","6","8","9","1") = "8"
    & skf18("4","8","1","6","8","10","1") = "9"
    & skf18("4","8","1","6","9","1","1") = "8"
    & skf18("4","8","1","6","9","2","1") = "8"
    & skf18("4","8","1","6","9","3","1") = "8"
    & skf18("4","8","1","6","9","4","1") = "8"
    & skf18("4","8","1","6","9","5","1") = "8"
    & skf18("4","8","1","6","9","6","1") = "8"
    & skf18("4","8","1","6","9","7","1") = "8"
    & skf18("4","8","1","6","9","8","1") = "8"
    & skf18("4","8","1","6","9","9","1") = "8"
    & skf18("4","8","1","6","9","10","1") = "9"
    & skf18("4","8","1","6","10","1","1") = "9"
    & skf18("4","8","1","6","10","2","1") = "9"
    & skf18("4","8","1","6","10","3","1") = "9"
    & skf18("4","8","1","6","10","4","1") = "9"
    & skf18("4","8","1","6","10","5","1") = "9"
    & skf18("4","8","1","6","10","6","1") = "9"
    & skf18("4","8","1","6","10","7","1") = "9"
    & skf18("4","8","1","6","10","8","1") = "9"
    & skf18("4","8","1","6","10","9","1") = "9"
    & skf18("4","8","1","6","10","10","1") = "9"
    & skf18("4","8","1","7","1","1","1") = "7"
    & skf18("4","8","1","7","1","2","1") = "7"
    & skf18("4","8","1","7","1","3","1") = "7"
    & skf18("4","8","1","7","1","4","1") = "7"
    & skf18("4","8","1","7","1","5","1") = "7"
    & skf18("4","8","1","7","1","6","1") = "7"
    & skf18("4","8","1","7","1","7","1") = "7"
    & skf18("4","8","1","7","1","8","1") = "7"
    & skf18("4","8","1","7","1","9","1") = "8"
    & skf18("4","8","1","7","1","10","1") = "9"
    & skf18("4","8","1","7","2","1","1") = "7"
    & skf18("4","8","1","7","2","2","1") = "7"
    & skf18("4","8","1","7","2","3","1") = "7"
    & skf18("4","8","1","7","2","4","1") = "7"
    & skf18("4","8","1","7","2","5","1") = "7"
    & skf18("4","8","1","7","2","6","1") = "7"
    & skf18("4","8","1","7","2","7","1") = "7"
    & skf18("4","8","1","7","2","8","1") = "7"
    & skf18("4","8","1","7","2","9","1") = "8"
    & skf18("4","8","1","7","2","10","1") = "9"
    & skf18("4","8","1","7","3","1","1") = "7"
    & skf18("4","8","1","7","3","2","1") = "7"
    & skf18("4","8","1","7","3","3","1") = "7"
    & skf18("4","8","1","7","3","4","1") = "7"
    & skf18("4","8","1","7","3","5","1") = "7"
    & skf18("4","8","1","7","3","6","1") = "7"
    & skf18("4","8","1","7","3","7","1") = "7"
    & skf18("4","8","1","7","3","8","1") = "7"
    & skf18("4","8","1","7","3","9","1") = "8"
    & skf18("4","8","1","7","3","10","1") = "9"
    & skf18("4","8","1","7","4","1","1") = "7"
    & skf18("4","8","1","7","4","2","1") = "7"
    & skf18("4","8","1","7","4","3","1") = "7"
    & skf18("4","8","1","7","4","4","1") = "7"
    & skf18("4","8","1","7","4","5","1") = "7"
    & skf18("4","8","1","7","4","6","1") = "7"
    & skf18("4","8","1","7","4","7","1") = "7"
    & skf18("4","8","1","7","4","8","1") = "7"
    & skf18("4","8","1","7","4","9","1") = "8"
    & skf18("4","8","1","7","4","10","1") = "9"
    & skf18("4","8","1","7","5","1","1") = "7"
    & skf18("4","8","1","7","5","2","1") = "7"
    & skf18("4","8","1","7","5","3","1") = "7"
    & skf18("4","8","1","7","5","4","1") = "7"
    & skf18("4","8","1","7","5","5","1") = "7"
    & skf18("4","8","1","7","5","6","1") = "7"
    & skf18("4","8","1","7","5","7","1") = "7"
    & skf18("4","8","1","7","5","8","1") = "7"
    & skf18("4","8","1","7","5","9","1") = "8"
    & skf18("4","8","1","7","5","10","1") = "9"
    & skf18("4","8","1","7","6","1","1") = "7"
    & skf18("4","8","1","7","6","2","1") = "7"
    & skf18("4","8","1","7","6","3","1") = "7"
    & skf18("4","8","1","7","6","4","1") = "7"
    & skf18("4","8","1","7","6","5","1") = "7"
    & skf18("4","8","1","7","6","6","1") = "7"
    & skf18("4","8","1","7","6","7","1") = "7"
    & skf18("4","8","1","7","6","8","1") = "7"
    & skf18("4","8","1","7","6","9","1") = "8"
    & skf18("4","8","1","7","6","10","1") = "9"
    & skf18("4","8","1","7","7","1","1") = "7"
    & skf18("4","8","1","7","7","2","1") = "7"
    & skf18("4","8","1","7","7","3","1") = "7"
    & skf18("4","8","1","7","7","4","1") = "7"
    & skf18("4","8","1","7","7","5","1") = "7"
    & skf18("4","8","1","7","7","6","1") = "7"
    & skf18("4","8","1","7","7","7","1") = "7"
    & skf18("4","8","1","7","7","8","1") = "7"
    & skf18("4","8","1","7","7","9","1") = "8"
    & skf18("4","8","1","7","7","10","1") = "9"
    & skf18("4","8","1","7","8","1","1") = "7"
    & skf18("4","8","1","7","8","2","1") = "7"
    & skf18("4","8","1","7","8","3","1") = "7"
    & skf18("4","8","1","7","8","4","1") = "7"
    & skf18("4","8","1","7","8","5","1") = "7"
    & skf18("4","8","1","7","8","6","1") = "7"
    & skf18("4","8","1","7","8","7","1") = "7"
    & skf18("4","8","1","7","8","8","1") = "7"
    & skf18("4","8","1","7","8","9","1") = "8"
    & skf18("4","8","1","7","8","10","1") = "9"
    & skf18("4","8","1","7","9","1","1") = "8"
    & skf18("4","8","1","7","9","2","1") = "8"
    & skf18("4","8","1","7","9","3","1") = "8"
    & skf18("4","8","1","7","9","4","1") = "8"
    & skf18("4","8","1","7","9","5","1") = "8"
    & skf18("4","8","1","7","9","6","1") = "8"
    & skf18("4","8","1","7","9","7","1") = "8"
    & skf18("4","8","1","7","9","8","1") = "8"
    & skf18("4","8","1","7","9","9","1") = "8"
    & skf18("4","8","1","7","9","10","1") = "9"
    & skf18("4","8","1","7","10","1","1") = "9"
    & skf18("4","8","1","7","10","2","1") = "9"
    & skf18("4","8","1","7","10","3","1") = "9"
    & skf18("4","8","1","7","10","4","1") = "9"
    & skf18("4","8","1","7","10","5","1") = "9"
    & skf18("4","8","1","7","10","6","1") = "9"
    & skf18("4","8","1","7","10","7","1") = "9"
    & skf18("4","8","1","7","10","8","1") = "9"
    & skf18("4","8","1","7","10","9","1") = "9"
    & skf18("4","8","1","7","10","10","1") = "9"
    & skf18("4","8","1","8","1","1","1") = "7"
    & skf18("4","8","1","8","1","2","1") = "7"
    & skf18("4","8","1","8","1","3","1") = "7"
    & skf18("4","8","1","8","1","4","1") = "7"
    & skf18("4","8","1","8","1","5","1") = "7"
    & skf18("4","8","1","8","1","6","1") = "7"
    & skf18("4","8","1","8","1","7","1") = "7"
    & skf18("4","8","1","8","1","8","1") = "7"
    & skf18("4","8","1","8","1","9","1") = "8"
    & skf18("4","8","1","8","1","10","1") = "9"
    & skf18("4","8","1","8","2","1","1") = "7"
    & skf18("4","8","1","8","2","2","1") = "7"
    & skf18("4","8","1","8","2","3","1") = "7"
    & skf18("4","8","1","8","2","4","1") = "7"
    & skf18("4","8","1","8","2","5","1") = "7"
    & skf18("4","8","1","8","2","6","1") = "7"
    & skf18("4","8","1","8","2","7","1") = "7"
    & skf18("4","8","1","8","2","8","1") = "7"
    & skf18("4","8","1","8","2","9","1") = "8"
    & skf18("4","8","1","8","2","10","1") = "9"
    & skf18("4","8","1","8","3","1","1") = "7"
    & skf18("4","8","1","8","3","2","1") = "7"
    & skf18("4","8","1","8","3","3","1") = "7"
    & skf18("4","8","1","8","3","4","1") = "7"
    & skf18("4","8","1","8","3","5","1") = "7"
    & skf18("4","8","1","8","3","6","1") = "7"
    & skf18("4","8","1","8","3","7","1") = "7"
    & skf18("4","8","1","8","3","8","1") = "7"
    & skf18("4","8","1","8","3","9","1") = "8"
    & skf18("4","8","1","8","3","10","1") = "9"
    & skf18("4","8","1","8","4","1","1") = "7"
    & skf18("4","8","1","8","4","2","1") = "7"
    & skf18("4","8","1","8","4","3","1") = "7"
    & skf18("4","8","1","8","4","4","1") = "7"
    & skf18("4","8","1","8","4","5","1") = "7"
    & skf18("4","8","1","8","4","6","1") = "7"
    & skf18("4","8","1","8","4","7","1") = "7"
    & skf18("4","8","1","8","4","8","1") = "7"
    & skf18("4","8","1","8","4","9","1") = "8"
    & skf18("4","8","1","8","4","10","1") = "9"
    & skf18("4","8","1","8","5","1","1") = "7"
    & skf18("4","8","1","8","5","2","1") = "7"
    & skf18("4","8","1","8","5","3","1") = "7"
    & skf18("4","8","1","8","5","4","1") = "7"
    & skf18("4","8","1","8","5","5","1") = "7"
    & skf18("4","8","1","8","5","6","1") = "7"
    & skf18("4","8","1","8","5","7","1") = "7"
    & skf18("4","8","1","8","5","8","1") = "7"
    & skf18("4","8","1","8","5","9","1") = "8"
    & skf18("4","8","1","8","5","10","1") = "9"
    & skf18("4","8","1","8","6","1","1") = "7"
    & skf18("4","8","1","8","6","2","1") = "7"
    & skf18("4","8","1","8","6","3","1") = "7"
    & skf18("4","8","1","8","6","4","1") = "7"
    & skf18("4","8","1","8","6","5","1") = "7"
    & skf18("4","8","1","8","6","6","1") = "7"
    & skf18("4","8","1","8","6","7","1") = "7"
    & skf18("4","8","1","8","6","8","1") = "7"
    & skf18("4","8","1","8","6","9","1") = "8"
    & skf18("4","8","1","8","6","10","1") = "9"
    & skf18("4","8","1","8","7","1","1") = "7"
    & skf18("4","8","1","8","7","2","1") = "7"
    & skf18("4","8","1","8","7","3","1") = "7"
    & skf18("4","8","1","8","7","4","1") = "7"
    & skf18("4","8","1","8","7","5","1") = "7"
    & skf18("4","8","1","8","7","6","1") = "7"
    & skf18("4","8","1","8","7","7","1") = "7"
    & skf18("4","8","1","8","7","8","1") = "7"
    & skf18("4","8","1","8","7","9","1") = "8"
    & skf18("4","8","1","8","7","10","1") = "9"
    & skf18("4","8","1","8","8","1","1") = "7"
    & skf18("4","8","1","8","8","2","1") = "7"
    & skf18("4","8","1","8","8","3","1") = "7"
    & skf18("4","8","1","8","8","4","1") = "7"
    & skf18("4","8","1","8","8","5","1") = "7"
    & skf18("4","8","1","8","8","6","1") = "7"
    & skf18("4","8","1","8","8","7","1") = "7"
    & skf18("4","8","1","8","8","8","1") = "7"
    & skf18("4","8","1","8","8","9","1") = "8"
    & skf18("4","8","1","8","8","10","1") = "9"
    & skf18("4","8","1","8","9","1","1") = "8"
    & skf18("4","8","1","8","9","2","1") = "8"
    & skf18("4","8","1","8","9","3","1") = "8"
    & skf18("4","8","1","8","9","4","1") = "8"
    & skf18("4","8","1","8","9","5","1") = "8"
    & skf18("4","8","1","8","9","6","1") = "8"
    & skf18("4","8","1","8","9","7","1") = "8"
    & skf18("4","8","1","8","9","8","1") = "8"
    & skf18("4","8","1","8","9","9","1") = "8"
    & skf18("4","8","1","8","9","10","1") = "9"
    & skf18("4","8","1","8","10","1","1") = "9"
    & skf18("4","8","1","8","10","2","1") = "9"
    & skf18("4","8","1","8","10","3","1") = "9"
    & skf18("4","8","1","8","10","4","1") = "9"
    & skf18("4","8","1","8","10","5","1") = "9"
    & skf18("4","8","1","8","10","6","1") = "9"
    & skf18("4","8","1","8","10","7","1") = "9"
    & skf18("4","8","1","8","10","8","1") = "9"
    & skf18("4","8","1","8","10","9","1") = "9"
    & skf18("4","8","1","8","10","10","1") = "9"
    & skf18("4","8","1","9","1","1","1") = "8"
    & skf18("4","8","1","9","1","2","1") = "8"
    & skf18("4","8","1","9","1","3","1") = "8"
    & skf18("4","8","1","9","1","4","1") = "8"
    & skf18("4","8","1","9","1","5","1") = "8"
    & skf18("4","8","1","9","1","6","1") = "8"
    & skf18("4","8","1","9","1","7","1") = "8"
    & skf18("4","8","1","9","1","8","1") = "8"
    & skf18("4","8","1","9","1","9","1") = "8"
    & skf18("4","8","1","9","1","10","1") = "9"
    & skf18("4","8","1","9","2","1","1") = "8"
    & skf18("4","8","1","9","2","2","1") = "8"
    & skf18("4","8","1","9","2","3","1") = "8"
    & skf18("4","8","1","9","2","4","1") = "8"
    & skf18("4","8","1","9","2","5","1") = "8"
    & skf18("4","8","1","9","2","6","1") = "8"
    & skf18("4","8","1","9","2","7","1") = "8"
    & skf18("4","8","1","9","2","8","1") = "8"
    & skf18("4","8","1","9","2","9","1") = "8"
    & skf18("4","8","1","9","2","10","1") = "9"
    & skf18("4","8","1","9","3","1","1") = "8"
    & skf18("4","8","1","9","3","2","1") = "8"
    & skf18("4","8","1","9","3","3","1") = "8"
    & skf18("4","8","1","9","3","4","1") = "8"
    & skf18("4","8","1","9","3","5","1") = "8"
    & skf18("4","8","1","9","3","6","1") = "8"
    & skf18("4","8","1","9","3","7","1") = "8"
    & skf18("4","8","1","9","3","8","1") = "8"
    & skf18("4","8","1","9","3","9","1") = "8"
    & skf18("4","8","1","9","3","10","1") = "9"
    & skf18("4","8","1","9","4","1","1") = "8"
    & skf18("4","8","1","9","4","2","1") = "8"
    & skf18("4","8","1","9","4","3","1") = "8"
    & skf18("4","8","1","9","4","4","1") = "8"
    & skf18("4","8","1","9","4","5","1") = "8"
    & skf18("4","8","1","9","4","6","1") = "8"
    & skf18("4","8","1","9","4","7","1") = "8"
    & skf18("4","8","1","9","4","8","1") = "8"
    & skf18("4","8","1","9","4","9","1") = "8"
    & skf18("4","8","1","9","4","10","1") = "9"
    & skf18("4","8","1","9","5","1","1") = "8"
    & skf18("4","8","1","9","5","2","1") = "8"
    & skf18("4","8","1","9","5","3","1") = "8"
    & skf18("4","8","1","9","5","4","1") = "8"
    & skf18("4","8","1","9","5","5","1") = "8"
    & skf18("4","8","1","9","5","6","1") = "8"
    & skf18("4","8","1","9","5","7","1") = "8"
    & skf18("4","8","1","9","5","8","1") = "8"
    & skf18("4","8","1","9","5","9","1") = "8"
    & skf18("4","8","1","9","5","10","1") = "9"
    & skf18("4","8","1","9","6","1","1") = "8"
    & skf18("4","8","1","9","6","2","1") = "8"
    & skf18("4","8","1","9","6","3","1") = "8"
    & skf18("4","8","1","9","6","4","1") = "8"
    & skf18("4","8","1","9","6","5","1") = "8"
    & skf18("4","8","1","9","6","6","1") = "8"
    & skf18("4","8","1","9","6","7","1") = "8"
    & skf18("4","8","1","9","6","8","1") = "8"
    & skf18("4","8","1","9","6","9","1") = "8"
    & skf18("4","8","1","9","6","10","1") = "9"
    & skf18("4","8","1","9","7","1","1") = "8"
    & skf18("4","8","1","9","7","2","1") = "8"
    & skf18("4","8","1","9","7","3","1") = "8"
    & skf18("4","8","1","9","7","4","1") = "8"
    & skf18("4","8","1","9","7","5","1") = "8"
    & skf18("4","8","1","9","7","6","1") = "8"
    & skf18("4","8","1","9","7","7","1") = "8"
    & skf18("4","8","1","9","7","8","1") = "8"
    & skf18("4","8","1","9","7","9","1") = "8"
    & skf18("4","8","1","9","7","10","1") = "9"
    & skf18("4","8","1","9","8","1","1") = "8"
    & skf18("4","8","1","9","8","2","1") = "8"
    & skf18("4","8","1","9","8","3","1") = "8"
    & skf18("4","8","1","9","8","4","1") = "8"
    & skf18("4","8","1","9","8","5","1") = "8"
    & skf18("4","8","1","9","8","6","1") = "8"
    & skf18("4","8","1","9","8","7","1") = "8"
    & skf18("4","8","1","9","8","8","1") = "8"
    & skf18("4","8","1","9","8","9","1") = "8"
    & skf18("4","8","1","9","8","10","1") = "9"
    & skf18("4","8","1","9","9","1","1") = "8"
    & skf18("4","8","1","9","9","2","1") = "8"
    & skf18("4","8","1","9","9","3","1") = "8"
    & skf18("4","8","1","9","9","4","1") = "8"
    & skf18("4","8","1","9","9","5","1") = "8"
    & skf18("4","8","1","9","9","6","1") = "8"
    & skf18("4","8","1","9","9","7","1") = "8"
    & skf18("4","8","1","9","9","8","1") = "8"
    & skf18("4","8","1","9","9","9","1") = "8"
    & skf18("4","8","1","9","9","10","1") = "9"
    & skf18("4","8","1","9","10","1","1") = "9"
    & skf18("4","8","1","9","10","2","1") = "9"
    & skf18("4","8","1","9","10","3","1") = "9"
    & skf18("4","8","1","9","10","4","1") = "9"
    & skf18("4","8","1","9","10","5","1") = "9"
    & skf18("4","8","1","9","10","6","1") = "9"
    & skf18("4","8","1","9","10","7","1") = "9"
    & skf18("4","8","1","9","10","8","1") = "9"
    & skf18("4","8","1","9","10","9","1") = "9"
    & skf18("4","8","1","9","10","10","1") = "9"
    & skf18("4","8","1","10","1","1","1") = "9"
    & skf18("4","8","1","10","1","2","1") = "9"
    & skf18("4","8","1","10","1","3","1") = "9"
    & skf18("4","8","1","10","1","4","1") = "9"
    & skf18("4","8","1","10","1","5","1") = "9"
    & skf18("4","8","1","10","1","6","1") = "9"
    & skf18("4","8","1","10","1","7","1") = "9"
    & skf18("4","8","1","10","1","8","1") = "9"
    & skf18("4","8","1","10","1","9","1") = "9"
    & skf18("4","8","1","10","1","10","1") = "9"
    & skf18("4","8","1","10","2","1","1") = "9"
    & skf18("4","8","1","10","2","2","1") = "9"
    & skf18("4","8","1","10","2","3","1") = "9"
    & skf18("4","8","1","10","2","4","1") = "9"
    & skf18("4","8","1","10","2","5","1") = "9"
    & skf18("4","8","1","10","2","6","1") = "9"
    & skf18("4","8","1","10","2","7","1") = "9"
    & skf18("4","8","1","10","2","8","1") = "9"
    & skf18("4","8","1","10","2","9","1") = "9"
    & skf18("4","8","1","10","2","10","1") = "9"
    & skf18("4","8","1","10","3","1","1") = "9"
    & skf18("4","8","1","10","3","2","1") = "9"
    & skf18("4","8","1","10","3","3","1") = "9"
    & skf18("4","8","1","10","3","4","1") = "9"
    & skf18("4","8","1","10","3","5","1") = "9"
    & skf18("4","8","1","10","3","6","1") = "9"
    & skf18("4","8","1","10","3","7","1") = "9"
    & skf18("4","8","1","10","3","8","1") = "9"
    & skf18("4","8","1","10","3","9","1") = "9"
    & skf18("4","8","1","10","3","10","1") = "9"
    & skf18("4","8","1","10","4","1","1") = "9"
    & skf18("4","8","1","10","4","2","1") = "9"
    & skf18("4","8","1","10","4","3","1") = "9"
    & skf18("4","8","1","10","4","4","1") = "9"
    & skf18("4","8","1","10","4","5","1") = "9"
    & skf18("4","8","1","10","4","6","1") = "9"
    & skf18("4","8","1","10","4","7","1") = "9"
    & skf18("4","8","1","10","4","8","1") = "9"
    & skf18("4","8","1","10","4","9","1") = "9"
    & skf18("4","8","1","10","4","10","1") = "9"
    & skf18("4","8","1","10","5","1","1") = "9"
    & skf18("4","8","1","10","5","2","1") = "9"
    & skf18("4","8","1","10","5","3","1") = "9"
    & skf18("4","8","1","10","5","4","1") = "9"
    & skf18("4","8","1","10","5","5","1") = "9"
    & skf18("4","8","1","10","5","6","1") = "9"
    & skf18("4","8","1","10","5","7","1") = "9"
    & skf18("4","8","1","10","5","8","1") = "9"
    & skf18("4","8","1","10","5","9","1") = "9"
    & skf18("4","8","1","10","5","10","1") = "9"
    & skf18("4","8","1","10","6","1","1") = "9"
    & skf18("4","8","1","10","6","2","1") = "9"
    & skf18("4","8","1","10","6","3","1") = "9"
    & skf18("4","8","1","10","6","4","1") = "9"
    & skf18("4","8","1","10","6","5","1") = "9"
    & skf18("4","8","1","10","6","6","1") = "9"
    & skf18("4","8","1","10","6","7","1") = "9"
    & skf18("4","8","1","10","6","8","1") = "9"
    & skf18("4","8","1","10","6","9","1") = "9"
    & skf18("4","8","1","10","6","10","1") = "9"
    & skf18("4","8","1","10","7","1","1") = "9"
    & skf18("4","8","1","10","7","2","1") = "9"
    & skf18("4","8","1","10","7","3","1") = "9"
    & skf18("4","8","1","10","7","4","1") = "9"
    & skf18("4","8","1","10","7","5","1") = "9"
    & skf18("4","8","1","10","7","6","1") = "9"
    & skf18("4","8","1","10","7","7","1") = "9"
    & skf18("4","8","1","10","7","8","1") = "9"
    & skf18("4","8","1","10","7","9","1") = "9"
    & skf18("4","8","1","10","7","10","1") = "9"
    & skf18("4","8","1","10","8","1","1") = "9"
    & skf18("4","8","1","10","8","2","1") = "9"
    & skf18("4","8","1","10","8","3","1") = "9"
    & skf18("4","8","1","10","8","4","1") = "9"
    & skf18("4","8","1","10","8","5","1") = "9"
    & skf18("4","8","1","10","8","6","1") = "9"
    & skf18("4","8","1","10","8","7","1") = "9"
    & skf18("4","8","1","10","8","8","1") = "9"
    & skf18("4","8","1","10","8","9","1") = "9"
    & skf18("4","8","1","10","8","10","1") = "9"
    & skf18("4","8","1","10","9","1","1") = "9"
    & skf18("4","8","1","10","9","2","1") = "9"
    & skf18("4","8","1","10","9","3","1") = "9"
    & skf18("4","8","1","10","9","4","1") = "9"
    & skf18("4","8","1","10","9","5","1") = "9"
    & skf18("4","8","1","10","9","6","1") = "9"
    & skf18("4","8","1","10","9","7","1") = "9"
    & skf18("4","8","1","10","9","8","1") = "9"
    & skf18("4","8","1","10","9","9","1") = "9"
    & skf18("4","8","1","10","9","10","1") = "9"
    & skf18("4","8","1","10","10","1","1") = "9"
    & skf18("4","8","1","10","10","2","1") = "9"
    & skf18("4","8","1","10","10","3","1") = "9"
    & skf18("4","8","1","10","10","4","1") = "9"
    & skf18("4","8","1","10","10","5","1") = "9"
    & skf18("4","8","1","10","10","6","1") = "9"
    & skf18("4","8","1","10","10","7","1") = "9"
    & skf18("4","8","1","10","10","8","1") = "9"
    & skf18("4","8","1","10","10","9","1") = "9"
    & skf18("4","8","1","10","10","10","1") = "9"
    & skf18("4","8","2","1","1","1","1") = "7"
    & skf18("4","8","2","1","1","2","1") = "7"
    & skf18("4","8","2","1","1","3","1") = "7"
    & skf18("4","8","2","1","1","4","1") = "7"
    & skf18("4","8","2","1","1","5","1") = "7"
    & skf18("4","8","2","1","1","6","1") = "7"
    & skf18("4","8","2","1","1","7","1") = "7"
    & skf18("4","8","2","1","1","8","1") = "7"
    & skf18("4","8","2","1","1","9","1") = "8"
    & skf18("4","8","2","1","1","10","1") = "9"
    & skf18("4","8","2","1","2","1","1") = "7"
    & skf18("4","8","2","1","2","2","1") = "7"
    & skf18("4","8","2","1","2","3","1") = "7"
    & skf18("4","8","2","1","2","4","1") = "7"
    & skf18("4","8","2","1","2","5","1") = "7"
    & skf18("4","8","2","1","2","6","1") = "7"
    & skf18("4","8","2","1","2","7","1") = "7"
    & skf18("4","8","2","1","2","8","1") = "7"
    & skf18("4","8","2","1","2","9","1") = "8"
    & skf18("4","8","2","1","2","10","1") = "9"
    & skf18("4","8","2","1","3","1","1") = "7"
    & skf18("4","8","2","1","3","2","1") = "7"
    & skf18("4","8","2","1","3","3","1") = "7"
    & skf18("4","8","2","1","3","4","1") = "7"
    & skf18("4","8","2","1","3","5","1") = "7"
    & skf18("4","8","2","1","3","6","1") = "7"
    & skf18("4","8","2","1","3","7","1") = "7"
    & skf18("4","8","2","1","3","8","1") = "7"
    & skf18("4","8","2","1","3","9","1") = "8"
    & skf18("4","8","2","1","3","10","1") = "9"
    & skf18("4","8","2","1","4","1","1") = "7"
    & skf18("4","8","2","1","4","2","1") = "7"
    & skf18("4","8","2","1","4","3","1") = "7"
    & skf18("4","8","2","1","4","4","1") = "7"
    & skf18("4","8","2","1","4","5","1") = "7"
    & skf18("4","8","2","1","4","6","1") = "7"
    & skf18("4","8","2","1","4","7","1") = "7"
    & skf18("4","8","2","1","4","8","1") = "7"
    & skf18("4","8","2","1","4","9","1") = "8"
    & skf18("4","8","2","1","4","10","1") = "9"
    & skf18("4","8","2","1","5","1","1") = "7"
    & skf18("4","8","2","1","5","2","1") = "7"
    & skf18("4","8","2","1","5","3","1") = "7"
    & skf18("4","8","2","1","5","4","1") = "7"
    & skf18("4","8","2","1","5","5","1") = "7"
    & skf18("4","8","2","1","5","6","1") = "7"
    & skf18("4","8","2","1","5","7","1") = "7"
    & skf18("4","8","2","1","5","8","1") = "7"
    & skf18("4","8","2","1","5","9","1") = "8"
    & skf18("4","8","2","1","5","10","1") = "9"
    & skf18("4","8","2","1","6","1","1") = "7"
    & skf18("4","8","2","1","6","2","1") = "7"
    & skf18("4","8","2","1","6","3","1") = "7"
    & skf18("4","8","2","1","6","4","1") = "7"
    & skf18("4","8","2","1","6","5","1") = "7"
    & skf18("4","8","2","1","6","6","1") = "7"
    & skf18("4","8","2","1","6","7","1") = "7"
    & skf18("4","8","2","1","6","8","1") = "7"
    & skf18("4","8","2","1","6","9","1") = "8"
    & skf18("4","8","2","1","6","10","1") = "9"
    & skf18("4","8","2","1","7","1","1") = "7"
    & skf18("4","8","2","1","7","2","1") = "7"
    & skf18("4","8","2","1","7","3","1") = "7"
    & skf18("4","8","2","1","7","4","1") = "7"
    & skf18("4","8","2","1","7","5","1") = "7"
    & skf18("4","8","2","1","7","6","1") = "7"
    & skf18("4","8","2","1","7","7","1") = "7"
    & skf18("4","8","2","1","7","8","1") = "7"
    & skf18("4","8","2","1","7","9","1") = "8"
    & skf18("4","8","2","1","7","10","1") = "9"
    & skf18("4","8","2","1","8","1","1") = "7"
    & skf18("4","8","2","1","8","2","1") = "7"
    & skf18("4","8","2","1","8","3","1") = "7"
    & skf18("4","8","2","1","8","4","1") = "7"
    & skf18("4","8","2","1","8","5","1") = "7"
    & skf18("4","8","2","1","8","6","1") = "7"
    & skf18("4","8","2","1","8","7","1") = "7"
    & skf18("4","8","2","1","8","8","1") = "7"
    & skf18("4","8","2","1","8","9","1") = "8"
    & skf18("4","8","2","1","8","10","1") = "9"
    & skf18("4","8","2","1","9","1","1") = "8"
    & skf18("4","8","2","1","9","2","1") = "8"
    & skf18("4","8","2","1","9","3","1") = "8"
    & skf18("4","8","2","1","9","4","1") = "8"
    & skf18("4","8","2","1","9","5","1") = "8"
    & skf18("4","8","2","1","9","6","1") = "8"
    & skf18("4","8","2","1","9","7","1") = "8"
    & skf18("4","8","2","1","9","8","1") = "8"
    & skf18("4","8","2","1","9","9","1") = "8"
    & skf18("4","8","2","1","9","10","1") = "9"
    & skf18("4","8","2","1","10","1","1") = "9"
    & skf18("4","8","2","1","10","2","1") = "9"
    & skf18("4","8","2","1","10","3","1") = "9"
    & skf18("4","8","2","1","10","4","1") = "9"
    & skf18("4","8","2","1","10","5","1") = "9"
    & skf18("4","8","2","1","10","6","1") = "9"
    & skf18("4","8","2","1","10","7","1") = "9"
    & skf18("4","8","2","1","10","8","1") = "9"
    & skf18("4","8","2","1","10","9","1") = "9"
    & skf18("4","8","2","1","10","10","1") = "9"
    & skf18("4","8","2","2","1","1","1") = "7"
    & skf18("4","8","2","2","1","2","1") = "7"
    & skf18("4","8","2","2","1","3","1") = "7"
    & skf18("4","8","2","2","1","4","1") = "7"
    & skf18("4","8","2","2","1","5","1") = "7"
    & skf18("4","8","2","2","1","6","1") = "7"
    & skf18("4","8","2","2","1","7","1") = "7"
    & skf18("4","8","2","2","1","8","1") = "7"
    & skf18("4","8","2","2","1","9","1") = "8"
    & skf18("4","8","2","2","1","10","1") = "9"
    & skf18("4","8","2","2","2","1","1") = "7"
    & skf18("4","8","2","2","2","2","1") = "7"
    & skf18("4","8","2","2","2","3","1") = "7"
    & skf18("4","8","2","2","2","4","1") = "7"
    & skf18("4","8","2","2","2","5","1") = "7"
    & skf18("4","8","2","2","2","6","1") = "7"
    & skf18("4","8","2","2","2","7","1") = "7"
    & skf18("4","8","2","2","2","8","1") = "7"
    & skf18("4","8","2","2","2","9","1") = "8"
    & skf18("4","8","2","2","2","10","1") = "9"
    & skf18("4","8","2","2","3","1","1") = "7"
    & skf18("4","8","2","2","3","2","1") = "7"
    & skf18("4","8","2","2","3","3","1") = "7"
    & skf18("4","8","2","2","3","4","1") = "7"
    & skf18("4","8","2","2","3","5","1") = "7"
    & skf18("4","8","2","2","3","6","1") = "7"
    & skf18("4","8","2","2","3","7","1") = "7"
    & skf18("4","8","2","2","3","8","1") = "7"
    & skf18("4","8","2","2","3","9","1") = "8"
    & skf18("4","8","2","2","3","10","1") = "9"
    & skf18("4","8","2","2","4","1","1") = "7"
    & skf18("4","8","2","2","4","2","1") = "7"
    & skf18("4","8","2","2","4","3","1") = "7"
    & skf18("4","8","2","2","4","4","1") = "7"
    & skf18("4","8","2","2","4","5","1") = "7"
    & skf18("4","8","2","2","4","6","1") = "7"
    & skf18("4","8","2","2","4","7","1") = "7"
    & skf18("4","8","2","2","4","8","1") = "7"
    & skf18("4","8","2","2","4","9","1") = "8"
    & skf18("4","8","2","2","4","10","1") = "9"
    & skf18("4","8","2","2","5","1","1") = "7"
    & skf18("4","8","2","2","5","2","1") = "7"
    & skf18("4","8","2","2","5","3","1") = "7"
    & skf18("4","8","2","2","5","4","1") = "7"
    & skf18("4","8","2","2","5","5","1") = "7"
    & skf18("4","8","2","2","5","6","1") = "7"
    & skf18("4","8","2","2","5","7","1") = "7"
    & skf18("4","8","2","2","5","8","1") = "7"
    & skf18("4","8","2","2","5","9","1") = "8"
    & skf18("4","8","2","2","5","10","1") = "9"
    & skf18("4","8","2","2","6","1","1") = "7"
    & skf18("4","8","2","2","6","2","1") = "7"
    & skf18("4","8","2","2","6","3","1") = "7"
    & skf18("4","8","2","2","6","4","1") = "7"
    & skf18("4","8","2","2","6","5","1") = "7"
    & skf18("4","8","2","2","6","6","1") = "7"
    & skf18("4","8","2","2","6","7","1") = "7"
    & skf18("4","8","2","2","6","8","1") = "7"
    & skf18("4","8","2","2","6","9","1") = "8"
    & skf18("4","8","2","2","6","10","1") = "9"
    & skf18("4","8","2","2","7","1","1") = "7"
    & skf18("4","8","2","2","7","2","1") = "7"
    & skf18("4","8","2","2","7","3","1") = "7"
    & skf18("4","8","2","2","7","4","1") = "7"
    & skf18("4","8","2","2","7","5","1") = "7"
    & skf18("4","8","2","2","7","6","1") = "7"
    & skf18("4","8","2","2","7","7","1") = "7"
    & skf18("4","8","2","2","7","8","1") = "7"
    & skf18("4","8","2","2","7","9","1") = "8"
    & skf18("4","8","2","2","7","10","1") = "9"
    & skf18("4","8","2","2","8","1","1") = "7"
    & skf18("4","8","2","2","8","2","1") = "7"
    & skf18("4","8","2","2","8","3","1") = "7"
    & skf18("4","8","2","2","8","4","1") = "7"
    & skf18("4","8","2","2","8","5","1") = "7"
    & skf18("4","8","2","2","8","6","1") = "7"
    & skf18("4","8","2","2","8","7","1") = "7"
    & skf18("4","8","2","2","8","8","1") = "7"
    & skf18("4","8","2","2","8","9","1") = "8"
    & skf18("4","8","2","2","8","10","1") = "9"
    & skf18("4","8","2","2","9","1","1") = "8"
    & skf18("4","8","2","2","9","2","1") = "8"
    & skf18("4","8","2","2","9","3","1") = "8"
    & skf18("4","8","2","2","9","4","1") = "8"
    & skf18("4","8","2","2","9","5","1") = "8"
    & skf18("4","8","2","2","9","6","1") = "8"
    & skf18("4","8","2","2","9","7","1") = "8"
    & skf18("4","8","2","2","9","8","1") = "8"
    & skf18("4","8","2","2","9","9","1") = "8"
    & skf18("4","8","2","2","9","10","1") = "9"
    & skf18("4","8","2","2","10","1","1") = "9"
    & skf18("4","8","2","2","10","2","1") = "9"
    & skf18("4","8","2","2","10","3","1") = "9"
    & skf18("4","8","2","2","10","4","1") = "9"
    & skf18("4","8","2","2","10","5","1") = "9"
    & skf18("4","8","2","2","10","6","1") = "9"
    & skf18("4","8","2","2","10","7","1") = "9"
    & skf18("4","8","2","2","10","8","1") = "9"
    & skf18("4","8","2","2","10","9","1") = "9"
    & skf18("4","8","2","2","10","10","1") = "9"
    & skf18("4","8","2","3","1","1","1") = "7"
    & skf18("4","8","2","3","1","2","1") = "7"
    & skf18("4","8","2","3","1","3","1") = "7"
    & skf18("4","8","2","3","1","4","1") = "7"
    & skf18("4","8","2","3","1","5","1") = "7"
    & skf18("4","8","2","3","1","6","1") = "7"
    & skf18("4","8","2","3","1","7","1") = "7"
    & skf18("4","8","2","3","1","8","1") = "7"
    & skf18("4","8","2","3","1","9","1") = "8"
    & skf18("4","8","2","3","1","10","1") = "9"
    & skf18("4","8","2","3","2","1","1") = "7"
    & skf18("4","8","2","3","2","2","1") = "7"
    & skf18("4","8","2","3","2","3","1") = "7"
    & skf18("4","8","2","3","2","4","1") = "7"
    & skf18("4","8","2","3","2","5","1") = "7"
    & skf18("4","8","2","3","2","6","1") = "7"
    & skf18("4","8","2","3","2","7","1") = "7"
    & skf18("4","8","2","3","2","8","1") = "7"
    & skf18("4","8","2","3","2","9","1") = "8"
    & skf18("4","8","2","3","2","10","1") = "9"
    & skf18("4","8","2","3","3","1","1") = "7"
    & skf18("4","8","2","3","3","2","1") = "7"
    & skf18("4","8","2","3","3","3","1") = "7"
    & skf18("4","8","2","3","3","4","1") = "7"
    & skf18("4","8","2","3","3","5","1") = "7"
    & skf18("4","8","2","3","3","6","1") = "7"
    & skf18("4","8","2","3","3","7","1") = "7"
    & skf18("4","8","2","3","3","8","1") = "7"
    & skf18("4","8","2","3","3","9","1") = "8"
    & skf18("4","8","2","3","3","10","1") = "9"
    & skf18("4","8","2","3","4","1","1") = "7"
    & skf18("4","8","2","3","4","2","1") = "7"
    & skf18("4","8","2","3","4","3","1") = "7"
    & skf18("4","8","2","3","4","4","1") = "7"
    & skf18("4","8","2","3","4","5","1") = "7"
    & skf18("4","8","2","3","4","6","1") = "7"
    & skf18("4","8","2","3","4","7","1") = "7"
    & skf18("4","8","2","3","4","8","1") = "7"
    & skf18("4","8","2","3","4","9","1") = "8"
    & skf18("4","8","2","3","4","10","1") = "9"
    & skf18("4","8","2","3","5","1","1") = "7"
    & skf18("4","8","2","3","5","2","1") = "7"
    & skf18("4","8","2","3","5","3","1") = "7"
    & skf18("4","8","2","3","5","4","1") = "7"
    & skf18("4","8","2","3","5","5","1") = "7"
    & skf18("4","8","2","3","5","6","1") = "7"
    & skf18("4","8","2","3","5","7","1") = "7"
    & skf18("4","8","2","3","5","8","1") = "7"
    & skf18("4","8","2","3","5","9","1") = "8"
    & skf18("4","8","2","3","5","10","1") = "9"
    & skf18("4","8","2","3","6","1","1") = "7"
    & skf18("4","8","2","3","6","2","1") = "7"
    & skf18("4","8","2","3","6","3","1") = "7"
    & skf18("4","8","2","3","6","4","1") = "7"
    & skf18("4","8","2","3","6","5","1") = "7"
    & skf18("4","8","2","3","6","6","1") = "7"
    & skf18("4","8","2","3","6","7","1") = "7"
    & skf18("4","8","2","3","6","8","1") = "7"
    & skf18("4","8","2","3","6","9","1") = "8"
    & skf18("4","8","2","3","6","10","1") = "9"
    & skf18("4","8","2","3","7","1","1") = "7"
    & skf18("4","8","2","3","7","2","1") = "7"
    & skf18("4","8","2","3","7","3","1") = "7"
    & skf18("4","8","2","3","7","4","1") = "7"
    & skf18("4","8","2","3","7","5","1") = "7"
    & skf18("4","8","2","3","7","6","1") = "7"
    & skf18("4","8","2","3","7","7","1") = "7"
    & skf18("4","8","2","3","7","8","1") = "7"
    & skf18("4","8","2","3","7","9","1") = "8"
    & skf18("4","8","2","3","7","10","1") = "9"
    & skf18("4","8","2","3","8","1","1") = "7"
    & skf18("4","8","2","3","8","2","1") = "7"
    & skf18("4","8","2","3","8","3","1") = "7"
    & skf18("4","8","2","3","8","4","1") = "7"
    & skf18("4","8","2","3","8","5","1") = "7"
    & skf18("4","8","2","3","8","6","1") = "7"
    & skf18("4","8","2","3","8","7","1") = "7"
    & skf18("4","8","2","3","8","8","1") = "7"
    & skf18("4","8","2","3","8","9","1") = "8"
    & skf18("4","8","2","3","8","10","1") = "9"
    & skf18("4","8","2","3","9","1","1") = "8"
    & skf18("4","8","2","3","9","2","1") = "8"
    & skf18("4","8","2","3","9","3","1") = "8"
    & skf18("4","8","2","3","9","4","1") = "8"
    & skf18("4","8","2","3","9","5","1") = "8"
    & skf18("4","8","2","3","9","6","1") = "8"
    & skf18("4","8","2","3","9","7","1") = "8"
    & skf18("4","8","2","3","9","8","1") = "8"
    & skf18("4","8","2","3","9","9","1") = "8"
    & skf18("4","8","2","3","9","10","1") = "9"
    & skf18("4","8","2","3","10","1","1") = "9"
    & skf18("4","8","2","3","10","2","1") = "9"
    & skf18("4","8","2","3","10","3","1") = "9"
    & skf18("4","8","2","3","10","4","1") = "9"
    & skf18("4","8","2","3","10","5","1") = "9"
    & skf18("4","8","2","3","10","6","1") = "9"
    & skf18("4","8","2","3","10","7","1") = "9"
    & skf18("4","8","2","3","10","8","1") = "9"
    & skf18("4","8","2","3","10","9","1") = "9"
    & skf18("4","8","2","3","10","10","1") = "9"
    & skf18("4","8","2","4","1","1","1") = "7"
    & skf18("4","8","2","4","1","2","1") = "7"
    & skf18("4","8","2","4","1","3","1") = "7"
    & skf18("4","8","2","4","1","4","1") = "7"
    & skf18("4","8","2","4","1","5","1") = "7"
    & skf18("4","8","2","4","1","6","1") = "7"
    & skf18("4","8","2","4","1","7","1") = "7"
    & skf18("4","8","2","4","1","8","1") = "7"
    & skf18("4","8","2","4","1","9","1") = "8"
    & skf18("4","8","2","4","1","10","1") = "9"
    & skf18("4","8","2","4","2","1","1") = "7"
    & skf18("4","8","2","4","2","2","1") = "7"
    & skf18("4","8","2","4","2","3","1") = "7"
    & skf18("4","8","2","4","2","4","1") = "7"
    & skf18("4","8","2","4","2","5","1") = "7"
    & skf18("4","8","2","4","2","6","1") = "7"
    & skf18("4","8","2","4","2","7","1") = "7"
    & skf18("4","8","2","4","2","8","1") = "7"
    & skf18("4","8","2","4","2","9","1") = "8"
    & skf18("4","8","2","4","2","10","1") = "9"
    & skf18("4","8","2","4","3","1","1") = "7"
    & skf18("4","8","2","4","3","2","1") = "7"
    & skf18("4","8","2","4","3","3","1") = "7"
    & skf18("4","8","2","4","3","4","1") = "7"
    & skf18("4","8","2","4","3","5","1") = "7"
    & skf18("4","8","2","4","3","6","1") = "7"
    & skf18("4","8","2","4","3","7","1") = "7"
    & skf18("4","8","2","4","3","8","1") = "7"
    & skf18("4","8","2","4","3","9","1") = "8"
    & skf18("4","8","2","4","3","10","1") = "9"
    & skf18("4","8","2","4","4","1","1") = "7"
    & skf18("4","8","2","4","4","2","1") = "7"
    & skf18("4","8","2","4","4","3","1") = "7"
    & skf18("4","8","2","4","4","4","1") = "7"
    & skf18("4","8","2","4","4","5","1") = "7"
    & skf18("4","8","2","4","4","6","1") = "7"
    & skf18("4","8","2","4","4","7","1") = "7"
    & skf18("4","8","2","4","4","8","1") = "7"
    & skf18("4","8","2","4","4","9","1") = "8"
    & skf18("4","8","2","4","4","10","1") = "9"
    & skf18("4","8","2","4","5","1","1") = "7"
    & skf18("4","8","2","4","5","2","1") = "7"
    & skf18("4","8","2","4","5","3","1") = "7"
    & skf18("4","8","2","4","5","4","1") = "7"
    & skf18("4","8","2","4","5","5","1") = "7"
    & skf18("4","8","2","4","5","6","1") = "7"
    & skf18("4","8","2","4","5","7","1") = "7"
    & skf18("4","8","2","4","5","8","1") = "7"
    & skf18("4","8","2","4","5","9","1") = "8"
    & skf18("4","8","2","4","5","10","1") = "9"
    & skf18("4","8","2","4","6","1","1") = "7"
    & skf18("4","8","2","4","6","2","1") = "7"
    & skf18("4","8","2","4","6","3","1") = "7"
    & skf18("4","8","2","4","6","4","1") = "7"
    & skf18("4","8","2","4","6","5","1") = "7"
    & skf18("4","8","2","4","6","6","1") = "7"
    & skf18("4","8","2","4","6","7","1") = "7"
    & skf18("4","8","2","4","6","8","1") = "7"
    & skf18("4","8","2","4","6","9","1") = "8"
    & skf18("4","8","2","4","6","10","1") = "9"
    & skf18("4","8","2","4","7","1","1") = "7"
    & skf18("4","8","2","4","7","2","1") = "7"
    & skf18("4","8","2","4","7","3","1") = "7"
    & skf18("4","8","2","4","7","4","1") = "7"
    & skf18("4","8","2","4","7","5","1") = "7"
    & skf18("4","8","2","4","7","6","1") = "7"
    & skf18("4","8","2","4","7","7","1") = "7"
    & skf18("4","8","2","4","7","8","1") = "7"
    & skf18("4","8","2","4","7","9","1") = "8"
    & skf18("4","8","2","4","7","10","1") = "9"
    & skf18("4","8","2","4","8","1","1") = "7"
    & skf18("4","8","2","4","8","2","1") = "7"
    & skf18("4","8","2","4","8","3","1") = "7"
    & skf18("4","8","2","4","8","4","1") = "7"
    & skf18("4","8","2","4","8","5","1") = "7"
    & skf18("4","8","2","4","8","6","1") = "7"
    & skf18("4","8","2","4","8","7","1") = "7"
    & skf18("4","8","2","4","8","8","1") = "7"
    & skf18("4","8","2","4","8","9","1") = "8"
    & skf18("4","8","2","4","8","10","1") = "9"
    & skf18("4","8","2","4","9","1","1") = "8"
    & skf18("4","8","2","4","9","2","1") = "8"
    & skf18("4","8","2","4","9","3","1") = "8"
    & skf18("4","8","2","4","9","4","1") = "8"
    & skf18("4","8","2","4","9","5","1") = "8"
    & skf18("4","8","2","4","9","6","1") = "8"
    & skf18("4","8","2","4","9","7","1") = "8"
    & skf18("4","8","2","4","9","8","1") = "8"
    & skf18("4","8","2","4","9","9","1") = "8"
    & skf18("4","8","2","4","9","10","1") = "9"
    & skf18("4","8","2","4","10","1","1") = "9"
    & skf18("4","8","2","4","10","2","1") = "9"
    & skf18("4","8","2","4","10","3","1") = "9"
    & skf18("4","8","2","4","10","4","1") = "9"
    & skf18("4","8","2","4","10","5","1") = "9"
    & skf18("4","8","2","4","10","6","1") = "9"
    & skf18("4","8","2","4","10","7","1") = "9"
    & skf18("4","8","2","4","10","8","1") = "9"
    & skf18("4","8","2","4","10","9","1") = "9"
    & skf18("4","8","2","4","10","10","1") = "9"
    & skf18("4","8","2","5","1","1","1") = "7"
    & skf18("4","8","2","5","1","2","1") = "7"
    & skf18("4","8","2","5","1","3","1") = "7"
    & skf18("4","8","2","5","1","4","1") = "7"
    & skf18("4","8","2","5","1","5","1") = "7"
    & skf18("4","8","2","5","1","6","1") = "7"
    & skf18("4","8","2","5","1","7","1") = "7"
    & skf18("4","8","2","5","1","8","1") = "7"
    & skf18("4","8","2","5","1","9","1") = "8"
    & skf18("4","8","2","5","1","10","1") = "9"
    & skf18("4","8","2","5","2","1","1") = "7"
    & skf18("4","8","2","5","2","2","1") = "7"
    & skf18("4","8","2","5","2","3","1") = "7"
    & skf18("4","8","2","5","2","4","1") = "7"
    & skf18("4","8","2","5","2","5","1") = "7"
    & skf18("4","8","2","5","2","6","1") = "7"
    & skf18("4","8","2","5","2","7","1") = "7"
    & skf18("4","8","2","5","2","8","1") = "7"
    & skf18("4","8","2","5","2","9","1") = "8"
    & skf18("4","8","2","5","2","10","1") = "9"
    & skf18("4","8","2","5","3","1","1") = "7"
    & skf18("4","8","2","5","3","2","1") = "7"
    & skf18("4","8","2","5","3","3","1") = "7"
    & skf18("4","8","2","5","3","4","1") = "7"
    & skf18("4","8","2","5","3","5","1") = "7"
    & skf18("4","8","2","5","3","6","1") = "7"
    & skf18("4","8","2","5","3","7","1") = "7"
    & skf18("4","8","2","5","3","8","1") = "7"
    & skf18("4","8","2","5","3","9","1") = "8"
    & skf18("4","8","2","5","3","10","1") = "9"
    & skf18("4","8","2","5","4","1","1") = "7"
    & skf18("4","8","2","5","4","2","1") = "7"
    & skf18("4","8","2","5","4","3","1") = "7"
    & skf18("4","8","2","5","4","4","1") = "7"
    & skf18("4","8","2","5","4","5","1") = "7"
    & skf18("4","8","2","5","4","6","1") = "7"
    & skf18("4","8","2","5","4","7","1") = "7"
    & skf18("4","8","2","5","4","8","1") = "7"
    & skf18("4","8","2","5","4","9","1") = "8"
    & skf18("4","8","2","5","4","10","1") = "9"
    & skf18("4","8","2","5","5","1","1") = "7"
    & skf18("4","8","2","5","5","2","1") = "7"
    & skf18("4","8","2","5","5","3","1") = "7"
    & skf18("4","8","2","5","5","4","1") = "7"
    & skf18("4","8","2","5","5","5","1") = "7"
    & skf18("4","8","2","5","5","6","1") = "7"
    & skf18("4","8","2","5","5","7","1") = "7"
    & skf18("4","8","2","5","5","8","1") = "7"
    & skf18("4","8","2","5","5","9","1") = "8"
    & skf18("4","8","2","5","5","10","1") = "9"
    & skf18("4","8","2","5","6","1","1") = "7"
    & skf18("4","8","2","5","6","2","1") = "7"
    & skf18("4","8","2","5","6","3","1") = "7"
    & skf18("4","8","2","5","6","4","1") = "7"
    & skf18("4","8","2","5","6","5","1") = "7"
    & skf18("4","8","2","5","6","6","1") = "7"
    & skf18("4","8","2","5","6","7","1") = "7"
    & skf18("4","8","2","5","6","8","1") = "7"
    & skf18("4","8","2","5","6","9","1") = "8"
    & skf18("4","8","2","5","6","10","1") = "9"
    & skf18("4","8","2","5","7","1","1") = "7"
    & skf18("4","8","2","5","7","2","1") = "7"
    & skf18("4","8","2","5","7","3","1") = "7"
    & skf18("4","8","2","5","7","4","1") = "7"
    & skf18("4","8","2","5","7","5","1") = "7"
    & skf18("4","8","2","5","7","6","1") = "7"
    & skf18("4","8","2","5","7","7","1") = "7"
    & skf18("4","8","2","5","7","8","1") = "7"
    & skf18("4","8","2","5","7","9","1") = "8"
    & skf18("4","8","2","5","7","10","1") = "9"
    & skf18("4","8","2","5","8","1","1") = "7"
    & skf18("4","8","2","5","8","2","1") = "7"
    & skf18("4","8","2","5","8","3","1") = "7"
    & skf18("4","8","2","5","8","4","1") = "7"
    & skf18("4","8","2","5","8","5","1") = "7"
    & skf18("4","8","2","5","8","6","1") = "7"
    & skf18("4","8","2","5","8","7","1") = "7"
    & skf18("4","8","2","5","8","8","1") = "7"
    & skf18("4","8","2","5","8","9","1") = "8"
    & skf18("4","8","2","5","8","10","1") = "9"
    & skf18("4","8","2","5","9","1","1") = "8"
    & skf18("4","8","2","5","9","2","1") = "8"
    & skf18("4","8","2","5","9","3","1") = "8"
    & skf18("4","8","2","5","9","4","1") = "8"
    & skf18("4","8","2","5","9","5","1") = "8"
    & skf18("4","8","2","5","9","6","1") = "8"
    & skf18("4","8","2","5","9","7","1") = "8"
    & skf18("4","8","2","5","9","8","1") = "8"
    & skf18("4","8","2","5","9","9","1") = "8"
    & skf18("4","8","2","5","9","10","1") = "9"
    & skf18("4","8","2","5","10","1","1") = "9"
    & skf18("4","8","2","5","10","2","1") = "9"
    & skf18("4","8","2","5","10","3","1") = "9"
    & skf18("4","8","2","5","10","4","1") = "9"
    & skf18("4","8","2","5","10","5","1") = "9"
    & skf18("4","8","2","5","10","6","1") = "9"
    & skf18("4","8","2","5","10","7","1") = "9"
    & skf18("4","8","2","5","10","8","1") = "9"
    & skf18("4","8","2","5","10","9","1") = "9"
    & skf18("4","8","2","5","10","10","1") = "9"
    & skf18("4","8","2","6","1","1","1") = "7"
    & skf18("4","8","2","6","1","2","1") = "7"
    & skf18("4","8","2","6","1","3","1") = "7"
    & skf18("4","8","2","6","1","4","1") = "7"
    & skf18("4","8","2","6","1","5","1") = "7"
    & skf18("4","8","2","6","1","6","1") = "7"
    & skf18("4","8","2","6","1","7","1") = "7"
    & skf18("4","8","2","6","1","8","1") = "7"
    & skf18("4","8","2","6","1","9","1") = "8"
    & skf18("4","8","2","6","1","10","1") = "9"
    & skf18("4","8","2","6","2","1","1") = "7"
    & skf18("4","8","2","6","2","2","1") = "7"
    & skf18("4","8","2","6","2","3","1") = "7"
    & skf18("4","8","2","6","2","4","1") = "7"
    & skf18("4","8","2","6","2","5","1") = "7"
    & skf18("4","8","2","6","2","6","1") = "7"
    & skf18("4","8","2","6","2","7","1") = "7"
    & skf18("4","8","2","6","2","8","1") = "7"
    & skf18("4","8","2","6","2","9","1") = "8"
    & skf18("4","8","2","6","2","10","1") = "9"
    & skf18("4","8","2","6","3","1","1") = "7"
    & skf18("4","8","2","6","3","2","1") = "7"
    & skf18("4","8","2","6","3","3","1") = "7"
    & skf18("4","8","2","6","3","4","1") = "7"
    & skf18("4","8","2","6","3","5","1") = "7"
    & skf18("4","8","2","6","3","6","1") = "7"
    & skf18("4","8","2","6","3","7","1") = "7"
    & skf18("4","8","2","6","3","8","1") = "7"
    & skf18("4","8","2","6","3","9","1") = "8"
    & skf18("4","8","2","6","3","10","1") = "9"
    & skf18("4","8","2","6","4","1","1") = "7"
    & skf18("4","8","2","6","4","2","1") = "7"
    & skf18("4","8","2","6","4","3","1") = "7"
    & skf18("4","8","2","6","4","4","1") = "7"
    & skf18("4","8","2","6","4","5","1") = "7"
    & skf18("4","8","2","6","4","6","1") = "7"
    & skf18("4","8","2","6","4","7","1") = "7"
    & skf18("4","8","2","6","4","8","1") = "7"
    & skf18("4","8","2","6","4","9","1") = "8"
    & skf18("4","8","2","6","4","10","1") = "9"
    & skf18("4","8","2","6","5","1","1") = "7"
    & skf18("4","8","2","6","5","2","1") = "7"
    & skf18("4","8","2","6","5","3","1") = "7"
    & skf18("4","8","2","6","5","4","1") = "7"
    & skf18("4","8","2","6","5","5","1") = "7"
    & skf18("4","8","2","6","5","6","1") = "7"
    & skf18("4","8","2","6","5","7","1") = "7"
    & skf18("4","8","2","6","5","8","1") = "7"
    & skf18("4","8","2","6","5","9","1") = "8"
    & skf18("4","8","2","6","5","10","1") = "9"
    & skf18("4","8","2","6","6","1","1") = "7"
    & skf18("4","8","2","6","6","2","1") = "7"
    & skf18("4","8","2","6","6","3","1") = "7"
    & skf18("4","8","2","6","6","4","1") = "7"
    & skf18("4","8","2","6","6","5","1") = "7"
    & skf18("4","8","2","6","6","6","1") = "7"
    & skf18("4","8","2","6","6","7","1") = "7"
    & skf18("4","8","2","6","6","8","1") = "7"
    & skf18("4","8","2","6","6","9","1") = "8"
    & skf18("4","8","2","6","6","10","1") = "9"
    & skf18("4","8","2","6","7","1","1") = "7"
    & skf18("4","8","2","6","7","2","1") = "7"
    & skf18("4","8","2","6","7","3","1") = "7"
    & skf18("4","8","2","6","7","4","1") = "7"
    & skf18("4","8","2","6","7","5","1") = "7"
    & skf18("4","8","2","6","7","6","1") = "7"
    & skf18("4","8","2","6","7","7","1") = "7"
    & skf18("4","8","2","6","7","8","1") = "7"
    & skf18("4","8","2","6","7","9","1") = "8"
    & skf18("4","8","2","6","7","10","1") = "9"
    & skf18("4","8","2","6","8","1","1") = "7"
    & skf18("4","8","2","6","8","2","1") = "7"
    & skf18("4","8","2","6","8","3","1") = "7"
    & skf18("4","8","2","6","8","4","1") = "7"
    & skf18("4","8","2","6","8","5","1") = "7"
    & skf18("4","8","2","6","8","6","1") = "7"
    & skf18("4","8","2","6","8","7","1") = "7"
    & skf18("4","8","2","6","8","8","1") = "7"
    & skf18("4","8","2","6","8","9","1") = "8"
    & skf18("4","8","2","6","8","10","1") = "9"
    & skf18("4","8","2","6","9","1","1") = "8"
    & skf18("4","8","2","6","9","2","1") = "8"
    & skf18("4","8","2","6","9","3","1") = "8"
    & skf18("4","8","2","6","9","4","1") = "8"
    & skf18("4","8","2","6","9","5","1") = "8"
    & skf18("4","8","2","6","9","6","1") = "8"
    & skf18("4","8","2","6","9","7","1") = "8"
    & skf18("4","8","2","6","9","8","1") = "8"
    & skf18("4","8","2","6","9","9","1") = "8"
    & skf18("4","8","2","6","9","10","1") = "9"
    & skf18("4","8","2","6","10","1","1") = "9"
    & skf18("4","8","2","6","10","2","1") = "9"
    & skf18("4","8","2","6","10","3","1") = "9"
    & skf18("4","8","2","6","10","4","1") = "9"
    & skf18("4","8","2","6","10","5","1") = "9"
    & skf18("4","8","2","6","10","6","1") = "9"
    & skf18("4","8","2","6","10","7","1") = "9"
    & skf18("4","8","2","6","10","8","1") = "9"
    & skf18("4","8","2","6","10","9","1") = "9"
    & skf18("4","8","2","6","10","10","1") = "9"
    & skf18("4","8","2","7","1","1","1") = "7"
    & skf18("4","8","2","7","1","2","1") = "7"
    & skf18("4","8","2","7","1","3","1") = "7"
    & skf18("4","8","2","7","1","4","1") = "7"
    & skf18("4","8","2","7","1","5","1") = "7"
    & skf18("4","8","2","7","1","6","1") = "7"
    & skf18("4","8","2","7","1","7","1") = "7"
    & skf18("4","8","2","7","1","8","1") = "7"
    & skf18("4","8","2","7","1","9","1") = "8"
    & skf18("4","8","2","7","1","10","1") = "9"
    & skf18("4","8","2","7","2","1","1") = "7"
    & skf18("4","8","2","7","2","2","1") = "7"
    & skf18("4","8","2","7","2","3","1") = "7"
    & skf18("4","8","2","7","2","4","1") = "7"
    & skf18("4","8","2","7","2","5","1") = "7"
    & skf18("4","8","2","7","2","6","1") = "7"
    & skf18("4","8","2","7","2","7","1") = "7"
    & skf18("4","8","2","7","2","8","1") = "7"
    & skf18("4","8","2","7","2","9","1") = "8"
    & skf18("4","8","2","7","2","10","1") = "9"
    & skf18("4","8","2","7","3","1","1") = "7"
    & skf18("4","8","2","7","3","2","1") = "7"
    & skf18("4","8","2","7","3","3","1") = "7"
    & skf18("4","8","2","7","3","4","1") = "7"
    & skf18("4","8","2","7","3","5","1") = "7"
    & skf18("4","8","2","7","3","6","1") = "7"
    & skf18("4","8","2","7","3","7","1") = "7"
    & skf18("4","8","2","7","3","8","1") = "7"
    & skf18("4","8","2","7","3","9","1") = "8"
    & skf18("4","8","2","7","3","10","1") = "9"
    & skf18("4","8","2","7","4","1","1") = "7"
    & skf18("4","8","2","7","4","2","1") = "7"
    & skf18("4","8","2","7","4","3","1") = "7"
    & skf18("4","8","2","7","4","4","1") = "7"
    & skf18("4","8","2","7","4","5","1") = "7"
    & skf18("4","8","2","7","4","6","1") = "7"
    & skf18("4","8","2","7","4","7","1") = "7"
    & skf18("4","8","2","7","4","8","1") = "7"
    & skf18("4","8","2","7","4","9","1") = "8"
    & skf18("4","8","2","7","4","10","1") = "9"
    & skf18("4","8","2","7","5","1","1") = "7"
    & skf18("4","8","2","7","5","2","1") = "7"
    & skf18("4","8","2","7","5","3","1") = "7"
    & skf18("4","8","2","7","5","4","1") = "7"
    & skf18("4","8","2","7","5","5","1") = "7"
    & skf18("4","8","2","7","5","6","1") = "7"
    & skf18("4","8","2","7","5","7","1") = "7"
    & skf18("4","8","2","7","5","8","1") = "7"
    & skf18("4","8","2","7","5","9","1") = "8"
    & skf18("4","8","2","7","5","10","1") = "9"
    & skf18("4","8","2","7","6","1","1") = "7"
    & skf18("4","8","2","7","6","2","1") = "7"
    & skf18("4","8","2","7","6","3","1") = "7"
    & skf18("4","8","2","7","6","4","1") = "7"
    & skf18("4","8","2","7","6","5","1") = "7"
    & skf18("4","8","2","7","6","6","1") = "7"
    & skf18("4","8","2","7","6","7","1") = "7"
    & skf18("4","8","2","7","6","8","1") = "7"
    & skf18("4","8","2","7","6","9","1") = "8"
    & skf18("4","8","2","7","6","10","1") = "9"
    & skf18("4","8","2","7","7","1","1") = "7"
    & skf18("4","8","2","7","7","2","1") = "7"
    & skf18("4","8","2","7","7","3","1") = "7"
    & skf18("4","8","2","7","7","4","1") = "7"
    & skf18("4","8","2","7","7","5","1") = "7"
    & skf18("4","8","2","7","7","6","1") = "7"
    & skf18("4","8","2","7","7","7","1") = "7"
    & skf18("4","8","2","7","7","8","1") = "7"
    & skf18("4","8","2","7","7","9","1") = "8"
    & skf18("4","8","2","7","7","10","1") = "9"
    & skf18("4","8","2","7","8","1","1") = "7"
    & skf18("4","8","2","7","8","2","1") = "7"
    & skf18("4","8","2","7","8","3","1") = "7"
    & skf18("4","8","2","7","8","4","1") = "7"
    & skf18("4","8","2","7","8","5","1") = "7"
    & skf18("4","8","2","7","8","6","1") = "7"
    & skf18("4","8","2","7","8","7","1") = "7"
    & skf18("4","8","2","7","8","8","1") = "7"
    & skf18("4","8","2","7","8","9","1") = "8"
    & skf18("4","8","2","7","8","10","1") = "9"
    & skf18("4","8","2","7","9","1","1") = "8"
    & skf18("4","8","2","7","9","2","1") = "8"
    & skf18("4","8","2","7","9","3","1") = "8"
    & skf18("4","8","2","7","9","4","1") = "8"
    & skf18("4","8","2","7","9","5","1") = "8"
    & skf18("4","8","2","7","9","6","1") = "8"
    & skf18("4","8","2","7","9","7","1") = "8"
    & skf18("4","8","2","7","9","8","1") = "8"
    & skf18("4","8","2","7","9","9","1") = "8"
    & skf18("4","8","2","7","9","10","1") = "9"
    & skf18("4","8","2","7","10","1","1") = "9"
    & skf18("4","8","2","7","10","2","1") = "9"
    & skf18("4","8","2","7","10","3","1") = "9"
    & skf18("4","8","2","7","10","4","1") = "9"
    & skf18("4","8","2","7","10","5","1") = "9"
    & skf18("4","8","2","7","10","6","1") = "9"
    & skf18("4","8","2","7","10","7","1") = "9"
    & skf18("4","8","2","7","10","8","1") = "9"
    & skf18("4","8","2","7","10","9","1") = "9"
    & skf18("4","8","2","7","10","10","1") = "9"
    & skf18("4","8","2","8","1","1","1") = "7"
    & skf18("4","8","2","8","1","2","1") = "7"
    & skf18("4","8","2","8","1","3","1") = "7"
    & skf18("4","8","2","8","1","4","1") = "7"
    & skf18("4","8","2","8","1","5","1") = "7"
    & skf18("4","8","2","8","1","6","1") = "7"
    & skf18("4","8","2","8","1","7","1") = "7"
    & skf18("4","8","2","8","1","8","1") = "7"
    & skf18("4","8","2","8","1","9","1") = "8"
    & skf18("4","8","2","8","1","10","1") = "9"
    & skf18("4","8","2","8","2","1","1") = "7"
    & skf18("4","8","2","8","2","2","1") = "7"
    & skf18("4","8","2","8","2","3","1") = "7"
    & skf18("4","8","2","8","2","4","1") = "7"
    & skf18("4","8","2","8","2","5","1") = "7"
    & skf18("4","8","2","8","2","6","1") = "7"
    & skf18("4","8","2","8","2","7","1") = "7"
    & skf18("4","8","2","8","2","8","1") = "7"
    & skf18("4","8","2","8","2","9","1") = "8"
    & skf18("4","8","2","8","2","10","1") = "9"
    & skf18("4","8","2","8","3","1","1") = "7"
    & skf18("4","8","2","8","3","2","1") = "7"
    & skf18("4","8","2","8","3","3","1") = "7"
    & skf18("4","8","2","8","3","4","1") = "7"
    & skf18("4","8","2","8","3","5","1") = "7"
    & skf18("4","8","2","8","3","6","1") = "7"
    & skf18("4","8","2","8","3","7","1") = "7"
    & skf18("4","8","2","8","3","8","1") = "7"
    & skf18("4","8","2","8","3","9","1") = "8"
    & skf18("4","8","2","8","3","10","1") = "9"
    & skf18("4","8","2","8","4","1","1") = "7"
    & skf18("4","8","2","8","4","2","1") = "7"
    & skf18("4","8","2","8","4","3","1") = "7"
    & skf18("4","8","2","8","4","4","1") = "7"
    & skf18("4","8","2","8","4","5","1") = "7"
    & skf18("4","8","2","8","4","6","1") = "7"
    & skf18("4","8","2","8","4","7","1") = "7"
    & skf18("4","8","2","8","4","8","1") = "7"
    & skf18("4","8","2","8","4","9","1") = "8"
    & skf18("4","8","2","8","4","10","1") = "9"
    & skf18("4","8","2","8","5","1","1") = "7"
    & skf18("4","8","2","8","5","2","1") = "7"
    & skf18("4","8","2","8","5","3","1") = "7"
    & skf18("4","8","2","8","5","4","1") = "7"
    & skf18("4","8","2","8","5","5","1") = "7"
    & skf18("4","8","2","8","5","6","1") = "7"
    & skf18("4","8","2","8","5","7","1") = "7"
    & skf18("4","8","2","8","5","8","1") = "7"
    & skf18("4","8","2","8","5","9","1") = "8"
    & skf18("4","8","2","8","5","10","1") = "9"
    & skf18("4","8","2","8","6","1","1") = "7"
    & skf18("4","8","2","8","6","2","1") = "7"
    & skf18("4","8","2","8","6","3","1") = "7"
    & skf18("4","8","2","8","6","4","1") = "7"
    & skf18("4","8","2","8","6","5","1") = "7"
    & skf18("4","8","2","8","6","6","1") = "7"
    & skf18("4","8","2","8","6","7","1") = "7"
    & skf18("4","8","2","8","6","8","1") = "7"
    & skf18("4","8","2","8","6","9","1") = "8"
    & skf18("4","8","2","8","6","10","1") = "9"
    & skf18("4","8","2","8","7","1","1") = "7"
    & skf18("4","8","2","8","7","2","1") = "7"
    & skf18("4","8","2","8","7","3","1") = "7"
    & skf18("4","8","2","8","7","4","1") = "7"
    & skf18("4","8","2","8","7","5","1") = "7"
    & skf18("4","8","2","8","7","6","1") = "7"
    & skf18("4","8","2","8","7","7","1") = "7"
    & skf18("4","8","2","8","7","8","1") = "7"
    & skf18("4","8","2","8","7","9","1") = "8"
    & skf18("4","8","2","8","7","10","1") = "9"
    & skf18("4","8","2","8","8","1","1") = "7"
    & skf18("4","8","2","8","8","2","1") = "7"
    & skf18("4","8","2","8","8","3","1") = "7"
    & skf18("4","8","2","8","8","4","1") = "7"
    & skf18("4","8","2","8","8","5","1") = "7"
    & skf18("4","8","2","8","8","6","1") = "7"
    & skf18("4","8","2","8","8","7","1") = "7"
    & skf18("4","8","2","8","8","8","1") = "7"
    & skf18("4","8","2","8","8","9","1") = "8"
    & skf18("4","8","2","8","8","10","1") = "9"
    & skf18("4","8","2","8","9","1","1") = "8"
    & skf18("4","8","2","8","9","2","1") = "8"
    & skf18("4","8","2","8","9","3","1") = "8"
    & skf18("4","8","2","8","9","4","1") = "8"
    & skf18("4","8","2","8","9","5","1") = "8"
    & skf18("4","8","2","8","9","6","1") = "8"
    & skf18("4","8","2","8","9","7","1") = "8"
    & skf18("4","8","2","8","9","8","1") = "8"
    & skf18("4","8","2","8","9","9","1") = "8"
    & skf18("4","8","2","8","9","10","1") = "9"
    & skf18("4","8","2","8","10","1","1") = "9"
    & skf18("4","8","2","8","10","2","1") = "9"
    & skf18("4","8","2","8","10","3","1") = "9"
    & skf18("4","8","2","8","10","4","1") = "9"
    & skf18("4","8","2","8","10","5","1") = "9"
    & skf18("4","8","2","8","10","6","1") = "9"
    & skf18("4","8","2","8","10","7","1") = "9"
    & skf18("4","8","2","8","10","8","1") = "9"
    & skf18("4","8","2","8","10","9","1") = "9"
    & skf18("4","8","2","8","10","10","1") = "9"
    & skf18("4","8","2","9","1","1","1") = "8"
    & skf18("4","8","2","9","1","2","1") = "8"
    & skf18("4","8","2","9","1","3","1") = "8"
    & skf18("4","8","2","9","1","4","1") = "8"
    & skf18("4","8","2","9","1","5","1") = "8"
    & skf18("4","8","2","9","1","6","1") = "8"
    & skf18("4","8","2","9","1","7","1") = "8"
    & skf18("4","8","2","9","1","8","1") = "8"
    & skf18("4","8","2","9","1","9","1") = "8"
    & skf18("4","8","2","9","1","10","1") = "9"
    & skf18("4","8","2","9","2","1","1") = "8"
    & skf18("4","8","2","9","2","2","1") = "8"
    & skf18("4","8","2","9","2","3","1") = "8"
    & skf18("4","8","2","9","2","4","1") = "8"
    & skf18("4","8","2","9","2","5","1") = "8"
    & skf18("4","8","2","9","2","6","1") = "8"
    & skf18("4","8","2","9","2","7","1") = "8"
    & skf18("4","8","2","9","2","8","1") = "8"
    & skf18("4","8","2","9","2","9","1") = "8"
    & skf18("4","8","2","9","2","10","1") = "9"
    & skf18("4","8","2","9","3","1","1") = "8"
    & skf18("4","8","2","9","3","2","1") = "8"
    & skf18("4","8","2","9","3","3","1") = "8"
    & skf18("4","8","2","9","3","4","1") = "8"
    & skf18("4","8","2","9","3","5","1") = "8"
    & skf18("4","8","2","9","3","6","1") = "8"
    & skf18("4","8","2","9","3","7","1") = "8"
    & skf18("4","8","2","9","3","8","1") = "8"
    & skf18("4","8","2","9","3","9","1") = "8"
    & skf18("4","8","2","9","3","10","1") = "9"
    & skf18("4","8","2","9","4","1","1") = "8"
    & skf18("4","8","2","9","4","2","1") = "8"
    & skf18("4","8","2","9","4","3","1") = "8"
    & skf18("4","8","2","9","4","4","1") = "8"
    & skf18("4","8","2","9","4","5","1") = "8"
    & skf18("4","8","2","9","4","6","1") = "8"
    & skf18("4","8","2","9","4","7","1") = "8"
    & skf18("4","8","2","9","4","8","1") = "8"
    & skf18("4","8","2","9","4","9","1") = "8"
    & skf18("4","8","2","9","4","10","1") = "9"
    & skf18("4","8","2","9","5","1","1") = "8"
    & skf18("4","8","2","9","5","2","1") = "8"
    & skf18("4","8","2","9","5","3","1") = "8"
    & skf18("4","8","2","9","5","4","1") = "8"
    & skf18("4","8","2","9","5","5","1") = "8"
    & skf18("4","8","2","9","5","6","1") = "8"
    & skf18("4","8","2","9","5","7","1") = "8"
    & skf18("4","8","2","9","5","8","1") = "8"
    & skf18("4","8","2","9","5","9","1") = "8"
    & skf18("4","8","2","9","5","10","1") = "9"
    & skf18("4","8","2","9","6","1","1") = "8"
    & skf18("4","8","2","9","6","2","1") = "8"
    & skf18("4","8","2","9","6","3","1") = "8"
    & skf18("4","8","2","9","6","4","1") = "8"
    & skf18("4","8","2","9","6","5","1") = "8"
    & skf18("4","8","2","9","6","6","1") = "8"
    & skf18("4","8","2","9","6","7","1") = "8"
    & skf18("4","8","2","9","6","8","1") = "8"
    & skf18("4","8","2","9","6","9","1") = "8"
    & skf18("4","8","2","9","6","10","1") = "9"
    & skf18("4","8","2","9","7","1","1") = "8"
    & skf18("4","8","2","9","7","2","1") = "8"
    & skf18("4","8","2","9","7","3","1") = "8"
    & skf18("4","8","2","9","7","4","1") = "8"
    & skf18("4","8","2","9","7","5","1") = "8"
    & skf18("4","8","2","9","7","6","1") = "8"
    & skf18("4","8","2","9","7","7","1") = "8"
    & skf18("4","8","2","9","7","8","1") = "8"
    & skf18("4","8","2","9","7","9","1") = "8"
    & skf18("4","8","2","9","7","10","1") = "9"
    & skf18("4","8","2","9","8","1","1") = "8"
    & skf18("4","8","2","9","8","2","1") = "8"
    & skf18("4","8","2","9","8","3","1") = "8"
    & skf18("4","8","2","9","8","4","1") = "8"
    & skf18("4","8","2","9","8","5","1") = "8"
    & skf18("4","8","2","9","8","6","1") = "8"
    & skf18("4","8","2","9","8","7","1") = "8"
    & skf18("4","8","2","9","8","8","1") = "8"
    & skf18("4","8","2","9","8","9","1") = "8"
    & skf18("4","8","2","9","8","10","1") = "9"
    & skf18("4","8","2","9","9","1","1") = "8"
    & skf18("4","8","2","9","9","2","1") = "8"
    & skf18("4","8","2","9","9","3","1") = "8"
    & skf18("4","8","2","9","9","4","1") = "8"
    & skf18("4","8","2","9","9","5","1") = "8"
    & skf18("4","8","2","9","9","6","1") = "8"
    & skf18("4","8","2","9","9","7","1") = "8"
    & skf18("4","8","2","9","9","8","1") = "8"
    & skf18("4","8","2","9","9","9","1") = "8"
    & skf18("4","8","2","9","9","10","1") = "9"
    & skf18("4","8","2","9","10","1","1") = "9"
    & skf18("4","8","2","9","10","2","1") = "9"
    & skf18("4","8","2","9","10","3","1") = "9"
    & skf18("4","8","2","9","10","4","1") = "9"
    & skf18("4","8","2","9","10","5","1") = "9"
    & skf18("4","8","2","9","10","6","1") = "9"
    & skf18("4","8","2","9","10","7","1") = "9"
    & skf18("4","8","2","9","10","8","1") = "9"
    & skf18("4","8","2","9","10","9","1") = "9"
    & skf18("4","8","2","9","10","10","1") = "9"
    & skf18("4","8","2","10","1","1","1") = "9"
    & skf18("4","8","2","10","1","2","1") = "9"
    & skf18("4","8","2","10","1","3","1") = "9"
    & skf18("4","8","2","10","1","4","1") = "9"
    & skf18("4","8","2","10","1","5","1") = "9"
    & skf18("4","8","2","10","1","6","1") = "9"
    & skf18("4","8","2","10","1","7","1") = "9"
    & skf18("4","8","2","10","1","8","1") = "9"
    & skf18("4","8","2","10","1","9","1") = "9"
    & skf18("4","8","2","10","1","10","1") = "9"
    & skf18("4","8","2","10","2","1","1") = "9"
    & skf18("4","8","2","10","2","2","1") = "9"
    & skf18("4","8","2","10","2","3","1") = "9"
    & skf18("4","8","2","10","2","4","1") = "9"
    & skf18("4","8","2","10","2","5","1") = "9"
    & skf18("4","8","2","10","2","6","1") = "9"
    & skf18("4","8","2","10","2","7","1") = "9"
    & skf18("4","8","2","10","2","8","1") = "9"
    & skf18("4","8","2","10","2","9","1") = "9"
    & skf18("4","8","2","10","2","10","1") = "9"
    & skf18("4","8","2","10","3","1","1") = "9"
    & skf18("4","8","2","10","3","2","1") = "9"
    & skf18("4","8","2","10","3","3","1") = "9"
    & skf18("4","8","2","10","3","4","1") = "9"
    & skf18("4","8","2","10","3","5","1") = "9"
    & skf18("4","8","2","10","3","6","1") = "9"
    & skf18("4","8","2","10","3","7","1") = "9"
    & skf18("4","8","2","10","3","8","1") = "9"
    & skf18("4","8","2","10","3","9","1") = "9"
    & skf18("4","8","2","10","3","10","1") = "9"
    & skf18("4","8","2","10","4","1","1") = "9"
    & skf18("4","8","2","10","4","2","1") = "9"
    & skf18("4","8","2","10","4","3","1") = "9"
    & skf18("4","8","2","10","4","4","1") = "9"
    & skf18("4","8","2","10","4","5","1") = "9"
    & skf18("4","8","2","10","4","6","1") = "9"
    & skf18("4","8","2","10","4","7","1") = "9"
    & skf18("4","8","2","10","4","8","1") = "9"
    & skf18("4","8","2","10","4","9","1") = "9"
    & skf18("4","8","2","10","4","10","1") = "9"
    & skf18("4","8","2","10","5","1","1") = "9"
    & skf18("4","8","2","10","5","2","1") = "9"
    & skf18("4","8","2","10","5","3","1") = "9"
    & skf18("4","8","2","10","5","4","1") = "9"
    & skf18("4","8","2","10","5","5","1") = "9"
    & skf18("4","8","2","10","5","6","1") = "9"
    & skf18("4","8","2","10","5","7","1") = "9"
    & skf18("4","8","2","10","5","8","1") = "9"
    & skf18("4","8","2","10","5","9","1") = "9"
    & skf18("4","8","2","10","5","10","1") = "9"
    & skf18("4","8","2","10","6","1","1") = "9"
    & skf18("4","8","2","10","6","2","1") = "9"
    & skf18("4","8","2","10","6","3","1") = "9"
    & skf18("4","8","2","10","6","4","1") = "9"
    & skf18("4","8","2","10","6","5","1") = "9"
    & skf18("4","8","2","10","6","6","1") = "9"
    & skf18("4","8","2","10","6","7","1") = "9"
    & skf18("4","8","2","10","6","8","1") = "9"
    & skf18("4","8","2","10","6","9","1") = "9"
    & skf18("4","8","2","10","6","10","1") = "9"
    & skf18("4","8","2","10","7","1","1") = "9"
    & skf18("4","8","2","10","7","2","1") = "9"
    & skf18("4","8","2","10","7","3","1") = "9"
    & skf18("4","8","2","10","7","4","1") = "9"
    & skf18("4","8","2","10","7","5","1") = "9"
    & skf18("4","8","2","10","7","6","1") = "9"
    & skf18("4","8","2","10","7","7","1") = "9"
    & skf18("4","8","2","10","7","8","1") = "9"
    & skf18("4","8","2","10","7","9","1") = "9"
    & skf18("4","8","2","10","7","10","1") = "9"
    & skf18("4","8","2","10","8","1","1") = "9"
    & skf18("4","8","2","10","8","2","1") = "9"
    & skf18("4","8","2","10","8","3","1") = "9"
    & skf18("4","8","2","10","8","4","1") = "9"
    & skf18("4","8","2","10","8","5","1") = "9"
    & skf18("4","8","2","10","8","6","1") = "9"
    & skf18("4","8","2","10","8","7","1") = "9"
    & skf18("4","8","2","10","8","8","1") = "9"
    & skf18("4","8","2","10","8","9","1") = "9"
    & skf18("4","8","2","10","8","10","1") = "9"
    & skf18("4","8","2","10","9","1","1") = "9"
    & skf18("4","8","2","10","9","2","1") = "9"
    & skf18("4","8","2","10","9","3","1") = "9"
    & skf18("4","8","2","10","9","4","1") = "9"
    & skf18("4","8","2","10","9","5","1") = "9"
    & skf18("4","8","2","10","9","6","1") = "9"
    & skf18("4","8","2","10","9","7","1") = "9"
    & skf18("4","8","2","10","9","8","1") = "9"
    & skf18("4","8","2","10","9","9","1") = "9"
    & skf18("4","8","2","10","9","10","1") = "9"
    & skf18("4","8","2","10","10","1","1") = "9"
    & skf18("4","8","2","10","10","2","1") = "9"
    & skf18("4","8","2","10","10","3","1") = "9"
    & skf18("4","8","2","10","10","4","1") = "9"
    & skf18("4","8","2","10","10","5","1") = "9"
    & skf18("4","8","2","10","10","6","1") = "9"
    & skf18("4","8","2","10","10","7","1") = "9"
    & skf18("4","8","2","10","10","8","1") = "9"
    & skf18("4","8","2","10","10","9","1") = "9"
    & skf18("4","8","2","10","10","10","1") = "9"
    & skf18("4","8","3","1","1","1","1") = "7"
    & skf18("4","8","3","1","1","2","1") = "7"
    & skf18("4","8","3","1","1","3","1") = "7"
    & skf18("4","8","3","1","1","4","1") = "7"
    & skf18("4","8","3","1","1","5","1") = "7"
    & skf18("4","8","3","1","1","6","1") = "7"
    & skf18("4","8","3","1","1","7","1") = "7"
    & skf18("4","8","3","1","1","8","1") = "7"
    & skf18("4","8","3","1","1","9","1") = "8"
    & skf18("4","8","3","1","1","10","1") = "9"
    & skf18("4","8","3","1","2","1","1") = "7"
    & skf18("4","8","3","1","2","2","1") = "7"
    & skf18("4","8","3","1","2","3","1") = "7"
    & skf18("4","8","3","1","2","4","1") = "7"
    & skf18("4","8","3","1","2","5","1") = "7"
    & skf18("4","8","3","1","2","6","1") = "7"
    & skf18("4","8","3","1","2","7","1") = "7"
    & skf18("4","8","3","1","2","8","1") = "7"
    & skf18("4","8","3","1","2","9","1") = "8"
    & skf18("4","8","3","1","2","10","1") = "9"
    & skf18("4","8","3","1","3","1","1") = "7"
    & skf18("4","8","3","1","3","2","1") = "7"
    & skf18("4","8","3","1","3","3","1") = "7"
    & skf18("4","8","3","1","3","4","1") = "7"
    & skf18("4","8","3","1","3","5","1") = "7"
    & skf18("4","8","3","1","3","6","1") = "7"
    & skf18("4","8","3","1","3","7","1") = "7"
    & skf18("4","8","3","1","3","8","1") = "7"
    & skf18("4","8","3","1","3","9","1") = "8"
    & skf18("4","8","3","1","3","10","1") = "9"
    & skf18("4","8","3","1","4","1","1") = "7"
    & skf18("4","8","3","1","4","2","1") = "7"
    & skf18("4","8","3","1","4","3","1") = "7"
    & skf18("4","8","3","1","4","4","1") = "7"
    & skf18("4","8","3","1","4","5","1") = "7"
    & skf18("4","8","3","1","4","6","1") = "7"
    & skf18("4","8","3","1","4","7","1") = "7"
    & skf18("4","8","3","1","4","8","1") = "7"
    & skf18("4","8","3","1","4","9","1") = "8"
    & skf18("4","8","3","1","4","10","1") = "9"
    & skf18("4","8","3","1","5","1","1") = "7"
    & skf18("4","8","3","1","5","2","1") = "7"
    & skf18("4","8","3","1","5","3","1") = "7"
    & skf18("4","8","3","1","5","4","1") = "7"
    & skf18("4","8","3","1","5","5","1") = "7"
    & skf18("4","8","3","1","5","6","1") = "7"
    & skf18("4","8","3","1","5","7","1") = "7"
    & skf18("4","8","3","1","5","8","1") = "7"
    & skf18("4","8","3","1","5","9","1") = "8"
    & skf18("4","8","3","1","5","10","1") = "9"
    & skf18("4","8","3","1","6","1","1") = "7"
    & skf18("4","8","3","1","6","2","1") = "7"
    & skf18("4","8","3","1","6","3","1") = "7"
    & skf18("4","8","3","1","6","4","1") = "7"
    & skf18("4","8","3","1","6","5","1") = "7"
    & skf18("4","8","3","1","6","6","1") = "7"
    & skf18("4","8","3","1","6","7","1") = "7"
    & skf18("4","8","3","1","6","8","1") = "7"
    & skf18("4","8","3","1","6","9","1") = "8"
    & skf18("4","8","3","1","6","10","1") = "9"
    & skf18("4","8","3","1","7","1","1") = "7"
    & skf18("4","8","3","1","7","2","1") = "7"
    & skf18("4","8","3","1","7","3","1") = "7"
    & skf18("4","8","3","1","7","4","1") = "7"
    & skf18("4","8","3","1","7","5","1") = "7"
    & skf18("4","8","3","1","7","6","1") = "7"
    & skf18("4","8","3","1","7","7","1") = "7"
    & skf18("4","8","3","1","7","8","1") = "7"
    & skf18("4","8","3","1","7","9","1") = "8"
    & skf18("4","8","3","1","7","10","1") = "9"
    & skf18("4","8","3","1","8","1","1") = "7"
    & skf18("4","8","3","1","8","2","1") = "7"
    & skf18("4","8","3","1","8","3","1") = "7"
    & skf18("4","8","3","1","8","4","1") = "7"
    & skf18("4","8","3","1","8","5","1") = "7"
    & skf18("4","8","3","1","8","6","1") = "7"
    & skf18("4","8","3","1","8","7","1") = "7"
    & skf18("4","8","3","1","8","8","1") = "7"
    & skf18("4","8","3","1","8","9","1") = "8"
    & skf18("4","8","3","1","8","10","1") = "9"
    & skf18("4","8","3","1","9","1","1") = "8"
    & skf18("4","8","3","1","9","2","1") = "8"
    & skf18("4","8","3","1","9","3","1") = "8"
    & skf18("4","8","3","1","9","4","1") = "8"
    & skf18("4","8","3","1","9","5","1") = "8"
    & skf18("4","8","3","1","9","6","1") = "8"
    & skf18("4","8","3","1","9","7","1") = "8"
    & skf18("4","8","3","1","9","8","1") = "8"
    & skf18("4","8","3","1","9","9","1") = "8"
    & skf18("4","8","3","1","9","10","1") = "9"
    & skf18("4","8","3","1","10","1","1") = "9"
    & skf18("4","8","3","1","10","2","1") = "9"
    & skf18("4","8","3","1","10","3","1") = "9"
    & skf18("4","8","3","1","10","4","1") = "9"
    & skf18("4","8","3","1","10","5","1") = "9"
    & skf18("4","8","3","1","10","6","1") = "9"
    & skf18("4","8","3","1","10","7","1") = "9"
    & skf18("4","8","3","1","10","8","1") = "9"
    & skf18("4","8","3","1","10","9","1") = "9"
    & skf18("4","8","3","1","10","10","1") = "9"
    & skf18("4","8","3","2","1","1","1") = "7"
    & skf18("4","8","3","2","1","2","1") = "7"
    & skf18("4","8","3","2","1","3","1") = "7"
    & skf18("4","8","3","2","1","4","1") = "7"
    & skf18("4","8","3","2","1","5","1") = "7"
    & skf18("4","8","3","2","1","6","1") = "7"
    & skf18("4","8","3","2","1","7","1") = "7"
    & skf18("4","8","3","2","1","8","1") = "7"
    & skf18("4","8","3","2","1","9","1") = "8"
    & skf18("4","8","3","2","1","10","1") = "9"
    & skf18("4","8","3","2","2","1","1") = "7"
    & skf18("4","8","3","2","2","2","1") = "7"
    & skf18("4","8","3","2","2","3","1") = "7"
    & skf18("4","8","3","2","2","4","1") = "7"
    & skf18("4","8","3","2","2","5","1") = "7"
    & skf18("4","8","3","2","2","6","1") = "7"
    & skf18("4","8","3","2","2","7","1") = "7"
    & skf18("4","8","3","2","2","8","1") = "7"
    & skf18("4","8","3","2","2","9","1") = "8"
    & skf18("4","8","3","2","2","10","1") = "9"
    & skf18("4","8","3","2","3","1","1") = "7"
    & skf18("4","8","3","2","3","2","1") = "7"
    & skf18("4","8","3","2","3","3","1") = "7"
    & skf18("4","8","3","2","3","4","1") = "7"
    & skf18("4","8","3","2","3","5","1") = "7"
    & skf18("4","8","3","2","3","6","1") = "7"
    & skf18("4","8","3","2","3","7","1") = "7"
    & skf18("4","8","3","2","3","8","1") = "7"
    & skf18("4","8","3","2","3","9","1") = "8"
    & skf18("4","8","3","2","3","10","1") = "9"
    & skf18("4","8","3","2","4","1","1") = "7"
    & skf18("4","8","3","2","4","2","1") = "7"
    & skf18("4","8","3","2","4","3","1") = "7"
    & skf18("4","8","3","2","4","4","1") = "7"
    & skf18("4","8","3","2","4","5","1") = "7"
    & skf18("4","8","3","2","4","6","1") = "7"
    & skf18("4","8","3","2","4","7","1") = "7"
    & skf18("4","8","3","2","4","8","1") = "7"
    & skf18("4","8","3","2","4","9","1") = "8"
    & skf18("4","8","3","2","4","10","1") = "9"
    & skf18("4","8","3","2","5","1","1") = "7"
    & skf18("4","8","3","2","5","2","1") = "7"
    & skf18("4","8","3","2","5","3","1") = "7"
    & skf18("4","8","3","2","5","4","1") = "7"
    & skf18("4","8","3","2","5","5","1") = "7"
    & skf18("4","8","3","2","5","6","1") = "7"
    & skf18("4","8","3","2","5","7","1") = "7"
    & skf18("4","8","3","2","5","8","1") = "7"
    & skf18("4","8","3","2","5","9","1") = "8"
    & skf18("4","8","3","2","5","10","1") = "9"
    & skf18("4","8","3","2","6","1","1") = "7"
    & skf18("4","8","3","2","6","2","1") = "7"
    & skf18("4","8","3","2","6","3","1") = "7"
    & skf18("4","8","3","2","6","4","1") = "7"
    & skf18("4","8","3","2","6","5","1") = "7"
    & skf18("4","8","3","2","6","6","1") = "7"
    & skf18("4","8","3","2","6","7","1") = "7"
    & skf18("4","8","3","2","6","8","1") = "7"
    & skf18("4","8","3","2","6","9","1") = "8"
    & skf18("4","8","3","2","6","10","1") = "9"
    & skf18("4","8","3","2","7","1","1") = "7"
    & skf18("4","8","3","2","7","2","1") = "7"
    & skf18("4","8","3","2","7","3","1") = "7"
    & skf18("4","8","3","2","7","4","1") = "7"
    & skf18("4","8","3","2","7","5","1") = "7"
    & skf18("4","8","3","2","7","6","1") = "7"
    & skf18("4","8","3","2","7","7","1") = "7"
    & skf18("4","8","3","2","7","8","1") = "7"
    & skf18("4","8","3","2","7","9","1") = "8"
    & skf18("4","8","3","2","7","10","1") = "9"
    & skf18("4","8","3","2","8","1","1") = "7"
    & skf18("4","8","3","2","8","2","1") = "7"
    & skf18("4","8","3","2","8","3","1") = "7"
    & skf18("4","8","3","2","8","4","1") = "7"
    & skf18("4","8","3","2","8","5","1") = "7"
    & skf18("4","8","3","2","8","6","1") = "7"
    & skf18("4","8","3","2","8","7","1") = "7"
    & skf18("4","8","3","2","8","8","1") = "7"
    & skf18("4","8","3","2","8","9","1") = "8"
    & skf18("4","8","3","2","8","10","1") = "9"
    & skf18("4","8","3","2","9","1","1") = "8"
    & skf18("4","8","3","2","9","2","1") = "8"
    & skf18("4","8","3","2","9","3","1") = "8"
    & skf18("4","8","3","2","9","4","1") = "8"
    & skf18("4","8","3","2","9","5","1") = "8"
    & skf18("4","8","3","2","9","6","1") = "8"
    & skf18("4","8","3","2","9","7","1") = "8"
    & skf18("4","8","3","2","9","8","1") = "8"
    & skf18("4","8","3","2","9","9","1") = "8"
    & skf18("4","8","3","2","9","10","1") = "9"
    & skf18("4","8","3","2","10","1","1") = "9"
    & skf18("4","8","3","2","10","2","1") = "9"
    & skf18("4","8","3","2","10","3","1") = "9"
    & skf18("4","8","3","2","10","4","1") = "9"
    & skf18("4","8","3","2","10","5","1") = "9"
    & skf18("4","8","3","2","10","6","1") = "9"
    & skf18("4","8","3","2","10","7","1") = "9"
    & skf18("4","8","3","2","10","8","1") = "9"
    & skf18("4","8","3","2","10","9","1") = "9"
    & skf18("4","8","3","2","10","10","1") = "9"
    & skf18("4","8","3","3","1","1","1") = "7"
    & skf18("4","8","3","3","1","2","1") = "7"
    & skf18("4","8","3","3","1","3","1") = "7"
    & skf18("4","8","3","3","1","4","1") = "7"
    & skf18("4","8","3","3","1","5","1") = "7"
    & skf18("4","8","3","3","1","6","1") = "7"
    & skf18("4","8","3","3","1","7","1") = "7"
    & skf18("4","8","3","3","1","8","1") = "7"
    & skf18("4","8","3","3","1","9","1") = "8"
    & skf18("4","8","3","3","1","10","1") = "9"
    & skf18("4","8","3","3","2","1","1") = "7"
    & skf18("4","8","3","3","2","2","1") = "7"
    & skf18("4","8","3","3","2","3","1") = "7"
    & skf18("4","8","3","3","2","4","1") = "7"
    & skf18("4","8","3","3","2","5","1") = "7"
    & skf18("4","8","3","3","2","6","1") = "7"
    & skf18("4","8","3","3","2","7","1") = "7"
    & skf18("4","8","3","3","2","8","1") = "7"
    & skf18("4","8","3","3","2","9","1") = "8"
    & skf18("4","8","3","3","2","10","1") = "9"
    & skf18("4","8","3","3","3","1","1") = "7"
    & skf18("4","8","3","3","3","2","1") = "7"
    & skf18("4","8","3","3","3","3","1") = "7"
    & skf18("4","8","3","3","3","4","1") = "7"
    & skf18("4","8","3","3","3","5","1") = "7"
    & skf18("4","8","3","3","3","6","1") = "7"
    & skf18("4","8","3","3","3","7","1") = "7"
    & skf18("4","8","3","3","3","8","1") = "7"
    & skf18("4","8","3","3","3","9","1") = "8"
    & skf18("4","8","3","3","3","10","1") = "9"
    & skf18("4","8","3","3","4","1","1") = "7"
    & skf18("4","8","3","3","4","2","1") = "7"
    & skf18("4","8","3","3","4","3","1") = "7"
    & skf18("4","8","3","3","4","4","1") = "7"
    & skf18("4","8","3","3","4","5","1") = "7"
    & skf18("4","8","3","3","4","6","1") = "7"
    & skf18("4","8","3","3","4","7","1") = "7"
    & skf18("4","8","3","3","4","8","1") = "7"
    & skf18("4","8","3","3","4","9","1") = "8"
    & skf18("4","8","3","3","4","10","1") = "9"
    & skf18("4","8","3","3","5","1","1") = "7"
    & skf18("4","8","3","3","5","2","1") = "7"
    & skf18("4","8","3","3","5","3","1") = "7"
    & skf18("4","8","3","3","5","4","1") = "7"
    & skf18("4","8","3","3","5","5","1") = "7"
    & skf18("4","8","3","3","5","6","1") = "7"
    & skf18("4","8","3","3","5","7","1") = "7"
    & skf18("4","8","3","3","5","8","1") = "7"
    & skf18("4","8","3","3","5","9","1") = "8"
    & skf18("4","8","3","3","5","10","1") = "9"
    & skf18("4","8","3","3","6","1","1") = "7"
    & skf18("4","8","3","3","6","2","1") = "7"
    & skf18("4","8","3","3","6","3","1") = "7"
    & skf18("4","8","3","3","6","4","1") = "7"
    & skf18("4","8","3","3","6","5","1") = "7"
    & skf18("4","8","3","3","6","6","1") = "7"
    & skf18("4","8","3","3","6","7","1") = "7"
    & skf18("4","8","3","3","6","8","1") = "7"
    & skf18("4","8","3","3","6","9","1") = "8"
    & skf18("4","8","3","3","6","10","1") = "9"
    & skf18("4","8","3","3","7","1","1") = "7"
    & skf18("4","8","3","3","7","2","1") = "7"
    & skf18("4","8","3","3","7","3","1") = "7"
    & skf18("4","8","3","3","7","4","1") = "7"
    & skf18("4","8","3","3","7","5","1") = "7"
    & skf18("4","8","3","3","7","6","1") = "7"
    & skf18("4","8","3","3","7","7","1") = "7"
    & skf18("4","8","3","3","7","8","1") = "7"
    & skf18("4","8","3","3","7","9","1") = "8"
    & skf18("4","8","3","3","7","10","1") = "9"
    & skf18("4","8","3","3","8","1","1") = "7"
    & skf18("4","8","3","3","8","2","1") = "7"
    & skf18("4","8","3","3","8","3","1") = "7"
    & skf18("4","8","3","3","8","4","1") = "7"
    & skf18("4","8","3","3","8","5","1") = "7"
    & skf18("4","8","3","3","8","6","1") = "7"
    & skf18("4","8","3","3","8","7","1") = "7"
    & skf18("4","8","3","3","8","8","1") = "7"
    & skf18("4","8","3","3","8","9","1") = "8"
    & skf18("4","8","3","3","8","10","1") = "9"
    & skf18("4","8","3","3","9","1","1") = "8"
    & skf18("4","8","3","3","9","2","1") = "8"
    & skf18("4","8","3","3","9","3","1") = "8"
    & skf18("4","8","3","3","9","4","1") = "8"
    & skf18("4","8","3","3","9","5","1") = "8"
    & skf18("4","8","3","3","9","6","1") = "8"
    & skf18("4","8","3","3","9","7","1") = "8"
    & skf18("4","8","3","3","9","8","1") = "8"
    & skf18("4","8","3","3","9","9","1") = "8"
    & skf18("4","8","3","3","9","10","1") = "9"
    & skf18("4","8","3","3","10","1","1") = "9"
    & skf18("4","8","3","3","10","2","1") = "9"
    & skf18("4","8","3","3","10","3","1") = "9"
    & skf18("4","8","3","3","10","4","1") = "9"
    & skf18("4","8","3","3","10","5","1") = "9"
    & skf18("4","8","3","3","10","6","1") = "9"
    & skf18("4","8","3","3","10","7","1") = "9"
    & skf18("4","8","3","3","10","8","1") = "9"
    & skf18("4","8","3","3","10","9","1") = "9"
    & skf18("4","8","3","3","10","10","1") = "9"
    & skf18("4","8","3","4","1","1","1") = "7"
    & skf18("4","8","3","4","1","2","1") = "7"
    & skf18("4","8","3","4","1","3","1") = "7"
    & skf18("4","8","3","4","1","4","1") = "7"
    & skf18("4","8","3","4","1","5","1") = "7"
    & skf18("4","8","3","4","1","6","1") = "7"
    & skf18("4","8","3","4","1","7","1") = "7"
    & skf18("4","8","3","4","1","8","1") = "7"
    & skf18("4","8","3","4","1","9","1") = "8"
    & skf18("4","8","3","4","1","10","1") = "9"
    & skf18("4","8","3","4","2","1","1") = "7"
    & skf18("4","8","3","4","2","2","1") = "7"
    & skf18("4","8","3","4","2","3","1") = "7"
    & skf18("4","8","3","4","2","4","1") = "7"
    & skf18("4","8","3","4","2","5","1") = "7"
    & skf18("4","8","3","4","2","6","1") = "7"
    & skf18("4","8","3","4","2","7","1") = "7"
    & skf18("4","8","3","4","2","8","1") = "7"
    & skf18("4","8","3","4","2","9","1") = "8"
    & skf18("4","8","3","4","2","10","1") = "9"
    & skf18("4","8","3","4","3","1","1") = "7"
    & skf18("4","8","3","4","3","2","1") = "7"
    & skf18("4","8","3","4","3","3","1") = "7"
    & skf18("4","8","3","4","3","4","1") = "7"
    & skf18("4","8","3","4","3","5","1") = "7"
    & skf18("4","8","3","4","3","6","1") = "7"
    & skf18("4","8","3","4","3","7","1") = "7"
    & skf18("4","8","3","4","3","8","1") = "7"
    & skf18("4","8","3","4","3","9","1") = "8"
    & skf18("4","8","3","4","3","10","1") = "9"
    & skf18("4","8","3","4","4","1","1") = "7"
    & skf18("4","8","3","4","4","2","1") = "7"
    & skf18("4","8","3","4","4","3","1") = "7"
    & skf18("4","8","3","4","4","4","1") = "7"
    & skf18("4","8","3","4","4","5","1") = "7"
    & skf18("4","8","3","4","4","6","1") = "7"
    & skf18("4","8","3","4","4","7","1") = "7"
    & skf18("4","8","3","4","4","8","1") = "7"
    & skf18("4","8","3","4","4","9","1") = "8"
    & skf18("4","8","3","4","4","10","1") = "9"
    & skf18("4","8","3","4","5","1","1") = "7"
    & skf18("4","8","3","4","5","2","1") = "7"
    & skf18("4","8","3","4","5","3","1") = "7"
    & skf18("4","8","3","4","5","4","1") = "7"
    & skf18("4","8","3","4","5","5","1") = "7"
    & skf18("4","8","3","4","5","6","1") = "7"
    & skf18("4","8","3","4","5","7","1") = "7"
    & skf18("4","8","3","4","5","8","1") = "7"
    & skf18("4","8","3","4","5","9","1") = "8"
    & skf18("4","8","3","4","5","10","1") = "9"
    & skf18("4","8","3","4","6","1","1") = "7"
    & skf18("4","8","3","4","6","2","1") = "7"
    & skf18("4","8","3","4","6","3","1") = "7"
    & skf18("4","8","3","4","6","4","1") = "7"
    & skf18("4","8","3","4","6","5","1") = "7"
    & skf18("4","8","3","4","6","6","1") = "7"
    & skf18("4","8","3","4","6","7","1") = "7"
    & skf18("4","8","3","4","6","8","1") = "7"
    & skf18("4","8","3","4","6","9","1") = "8"
    & skf18("4","8","3","4","6","10","1") = "9"
    & skf18("4","8","3","4","7","1","1") = "7"
    & skf18("4","8","3","4","7","2","1") = "7"
    & skf18("4","8","3","4","7","3","1") = "7"
    & skf18("4","8","3","4","7","4","1") = "7"
    & skf18("4","8","3","4","7","5","1") = "7"
    & skf18("4","8","3","4","7","6","1") = "7"
    & skf18("4","8","3","4","7","7","1") = "7"
    & skf18("4","8","3","4","7","8","1") = "7"
    & skf18("4","8","3","4","7","9","1") = "8"
    & skf18("4","8","3","4","7","10","1") = "9"
    & skf18("4","8","3","4","8","1","1") = "7"
    & skf18("4","8","3","4","8","2","1") = "7"
    & skf18("4","8","3","4","8","3","1") = "7"
    & skf18("4","8","3","4","8","4","1") = "7"
    & skf18("4","8","3","4","8","5","1") = "7"
    & skf18("4","8","3","4","8","6","1") = "7"
    & skf18("4","8","3","4","8","7","1") = "7"
    & skf18("4","8","3","4","8","8","1") = "7"
    & skf18("4","8","3","4","8","9","1") = "8"
    & skf18("4","8","3","4","8","10","1") = "9"
    & skf18("4","8","3","4","9","1","1") = "8"
    & skf18("4","8","3","4","9","2","1") = "8"
    & skf18("4","8","3","4","9","3","1") = "8"
    & skf18("4","8","3","4","9","4","1") = "8"
    & skf18("4","8","3","4","9","5","1") = "8"
    & skf18("4","8","3","4","9","6","1") = "8"
    & skf18("4","8","3","4","9","7","1") = "8"
    & skf18("4","8","3","4","9","8","1") = "8"
    & skf18("4","8","3","4","9","9","1") = "8"
    & skf18("4","8","3","4","9","10","1") = "9"
    & skf18("4","8","3","4","10","1","1") = "9"
    & skf18("4","8","3","4","10","2","1") = "9"
    & skf18("4","8","3","4","10","3","1") = "9"
    & skf18("4","8","3","4","10","4","1") = "9"
    & skf18("4","8","3","4","10","5","1") = "9"
    & skf18("4","8","3","4","10","6","1") = "9"
    & skf18("4","8","3","4","10","7","1") = "9"
    & skf18("4","8","3","4","10","8","1") = "9"
    & skf18("4","8","3","4","10","9","1") = "9"
    & skf18("4","8","3","4","10","10","1") = "9"
    & skf18("4","8","3","5","1","1","1") = "7"
    & skf18("4","8","3","5","1","2","1") = "7"
    & skf18("4","8","3","5","1","3","1") = "7"
    & skf18("4","8","3","5","1","4","1") = "7"
    & skf18("4","8","3","5","1","5","1") = "7"
    & skf18("4","8","3","5","1","6","1") = "7"
    & skf18("4","8","3","5","1","7","1") = "7"
    & skf18("4","8","3","5","1","8","1") = "7"
    & skf18("4","8","3","5","1","9","1") = "8"
    & skf18("4","8","3","5","1","10","1") = "9"
    & skf18("4","8","3","5","2","1","1") = "7"
    & skf18("4","8","3","5","2","2","1") = "7"
    & skf18("4","8","3","5","2","3","1") = "7"
    & skf18("4","8","3","5","2","4","1") = "7"
    & skf18("4","8","3","5","2","5","1") = "7"
    & skf18("4","8","3","5","2","6","1") = "7"
    & skf18("4","8","3","5","2","7","1") = "7"
    & skf18("4","8","3","5","2","8","1") = "7"
    & skf18("4","8","3","5","2","9","1") = "8"
    & skf18("4","8","3","5","2","10","1") = "9"
    & skf18("4","8","3","5","3","1","1") = "7"
    & skf18("4","8","3","5","3","2","1") = "7"
    & skf18("4","8","3","5","3","3","1") = "7"
    & skf18("4","8","3","5","3","4","1") = "7"
    & skf18("4","8","3","5","3","5","1") = "7"
    & skf18("4","8","3","5","3","6","1") = "7"
    & skf18("4","8","3","5","3","7","1") = "7"
    & skf18("4","8","3","5","3","8","1") = "7"
    & skf18("4","8","3","5","3","9","1") = "8"
    & skf18("4","8","3","5","3","10","1") = "9"
    & skf18("4","8","3","5","4","1","1") = "7"
    & skf18("4","8","3","5","4","2","1") = "7"
    & skf18("4","8","3","5","4","3","1") = "7"
    & skf18("4","8","3","5","4","4","1") = "7"
    & skf18("4","8","3","5","4","5","1") = "7"
    & skf18("4","8","3","5","4","6","1") = "7"
    & skf18("4","8","3","5","4","7","1") = "7"
    & skf18("4","8","3","5","4","8","1") = "7"
    & skf18("4","8","3","5","4","9","1") = "8"
    & skf18("4","8","3","5","4","10","1") = "9"
    & skf18("4","8","3","5","5","1","1") = "7"
    & skf18("4","8","3","5","5","2","1") = "7"
    & skf18("4","8","3","5","5","3","1") = "7"
    & skf18("4","8","3","5","5","4","1") = "7"
    & skf18("4","8","3","5","5","5","1") = "7"
    & skf18("4","8","3","5","5","6","1") = "7"
    & skf18("4","8","3","5","5","7","1") = "7"
    & skf18("4","8","3","5","5","8","1") = "7"
    & skf18("4","8","3","5","5","9","1") = "8"
    & skf18("4","8","3","5","5","10","1") = "9"
    & skf18("4","8","3","5","6","1","1") = "7"
    & skf18("4","8","3","5","6","2","1") = "7"
    & skf18("4","8","3","5","6","3","1") = "7"
    & skf18("4","8","3","5","6","4","1") = "7"
    & skf18("4","8","3","5","6","5","1") = "7"
    & skf18("4","8","3","5","6","6","1") = "7"
    & skf18("4","8","3","5","6","7","1") = "7"
    & skf18("4","8","3","5","6","8","1") = "7"
    & skf18("4","8","3","5","6","9","1") = "8"
    & skf18("4","8","3","5","6","10","1") = "9"
    & skf18("4","8","3","5","7","1","1") = "7"
    & skf18("4","8","3","5","7","2","1") = "7"
    & skf18("4","8","3","5","7","3","1") = "7"
    & skf18("4","8","3","5","7","4","1") = "7"
    & skf18("4","8","3","5","7","5","1") = "7"
    & skf18("4","8","3","5","7","6","1") = "7"
    & skf18("4","8","3","5","7","7","1") = "7"
    & skf18("4","8","3","5","7","8","1") = "7"
    & skf18("4","8","3","5","7","9","1") = "8"
    & skf18("4","8","3","5","7","10","1") = "9"
    & skf18("4","8","3","5","8","1","1") = "7"
    & skf18("4","8","3","5","8","2","1") = "7"
    & skf18("4","8","3","5","8","3","1") = "7"
    & skf18("4","8","3","5","8","4","1") = "7"
    & skf18("4","8","3","5","8","5","1") = "7"
    & skf18("4","8","3","5","8","6","1") = "7"
    & skf18("4","8","3","5","8","7","1") = "7"
    & skf18("4","8","3","5","8","8","1") = "7"
    & skf18("4","8","3","5","8","9","1") = "8"
    & skf18("4","8","3","5","8","10","1") = "9"
    & skf18("4","8","3","5","9","1","1") = "8"
    & skf18("4","8","3","5","9","2","1") = "8"
    & skf18("4","8","3","5","9","3","1") = "8"
    & skf18("4","8","3","5","9","4","1") = "8"
    & skf18("4","8","3","5","9","5","1") = "8"
    & skf18("4","8","3","5","9","6","1") = "8"
    & skf18("4","8","3","5","9","7","1") = "8"
    & skf18("4","8","3","5","9","8","1") = "8"
    & skf18("4","8","3","5","9","9","1") = "8"
    & skf18("4","8","3","5","9","10","1") = "9"
    & skf18("4","8","3","5","10","1","1") = "9"
    & skf18("4","8","3","5","10","2","1") = "9"
    & skf18("4","8","3","5","10","3","1") = "9"
    & skf18("4","8","3","5","10","4","1") = "9"
    & skf18("4","8","3","5","10","5","1") = "9"
    & skf18("4","8","3","5","10","6","1") = "9"
    & skf18("4","8","3","5","10","7","1") = "9"
    & skf18("4","8","3","5","10","8","1") = "9"
    & skf18("4","8","3","5","10","9","1") = "9"
    & skf18("4","8","3","5","10","10","1") = "9"
    & skf18("4","8","3","6","1","1","1") = "7"
    & skf18("4","8","3","6","1","2","1") = "7"
    & skf18("4","8","3","6","1","3","1") = "7"
    & skf18("4","8","3","6","1","4","1") = "7"
    & skf18("4","8","3","6","1","5","1") = "7"
    & skf18("4","8","3","6","1","6","1") = "7"
    & skf18("4","8","3","6","1","7","1") = "7"
    & skf18("4","8","3","6","1","8","1") = "7"
    & skf18("4","8","3","6","1","9","1") = "8"
    & skf18("4","8","3","6","1","10","1") = "9"
    & skf18("4","8","3","6","2","1","1") = "7"
    & skf18("4","8","3","6","2","2","1") = "7"
    & skf18("4","8","3","6","2","3","1") = "7"
    & skf18("4","8","3","6","2","4","1") = "7"
    & skf18("4","8","3","6","2","5","1") = "7"
    & skf18("4","8","3","6","2","6","1") = "7"
    & skf18("4","8","3","6","2","7","1") = "7"
    & skf18("4","8","3","6","2","8","1") = "7"
    & skf18("4","8","3","6","2","9","1") = "8"
    & skf18("4","8","3","6","2","10","1") = "9"
    & skf18("4","8","3","6","3","1","1") = "7"
    & skf18("4","8","3","6","3","2","1") = "7"
    & skf18("4","8","3","6","3","3","1") = "7"
    & skf18("4","8","3","6","3","4","1") = "7"
    & skf18("4","8","3","6","3","5","1") = "7"
    & skf18("4","8","3","6","3","6","1") = "7"
    & skf18("4","8","3","6","3","7","1") = "7"
    & skf18("4","8","3","6","3","8","1") = "7"
    & skf18("4","8","3","6","3","9","1") = "8"
    & skf18("4","8","3","6","3","10","1") = "9"
    & skf18("4","8","3","6","4","1","1") = "7"
    & skf18("4","8","3","6","4","2","1") = "7"
    & skf18("4","8","3","6","4","3","1") = "7"
    & skf18("4","8","3","6","4","4","1") = "7"
    & skf18("4","8","3","6","4","5","1") = "7"
    & skf18("4","8","3","6","4","6","1") = "7"
    & skf18("4","8","3","6","4","7","1") = "7"
    & skf18("4","8","3","6","4","8","1") = "7"
    & skf18("4","8","3","6","4","9","1") = "8"
    & skf18("4","8","3","6","4","10","1") = "9"
    & skf18("4","8","3","6","5","1","1") = "7"
    & skf18("4","8","3","6","5","2","1") = "7"
    & skf18("4","8","3","6","5","3","1") = "7"
    & skf18("4","8","3","6","5","4","1") = "7"
    & skf18("4","8","3","6","5","5","1") = "7"
    & skf18("4","8","3","6","5","6","1") = "7"
    & skf18("4","8","3","6","5","7","1") = "7"
    & skf18("4","8","3","6","5","8","1") = "7"
    & skf18("4","8","3","6","5","9","1") = "8"
    & skf18("4","8","3","6","5","10","1") = "9"
    & skf18("4","8","3","6","6","1","1") = "7"
    & skf18("4","8","3","6","6","2","1") = "7"
    & skf18("4","8","3","6","6","3","1") = "7"
    & skf18("4","8","3","6","6","4","1") = "7"
    & skf18("4","8","3","6","6","5","1") = "7"
    & skf18("4","8","3","6","6","6","1") = "7"
    & skf18("4","8","3","6","6","7","1") = "7"
    & skf18("4","8","3","6","6","8","1") = "7"
    & skf18("4","8","3","6","6","9","1") = "8"
    & skf18("4","8","3","6","6","10","1") = "9"
    & skf18("4","8","3","6","7","1","1") = "7"
    & skf18("4","8","3","6","7","2","1") = "7"
    & skf18("4","8","3","6","7","3","1") = "7"
    & skf18("4","8","3","6","7","4","1") = "7"
    & skf18("4","8","3","6","7","5","1") = "7"
    & skf18("4","8","3","6","7","6","1") = "7"
    & skf18("4","8","3","6","7","7","1") = "7"
    & skf18("4","8","3","6","7","8","1") = "7"
    & skf18("4","8","3","6","7","9","1") = "8"
    & skf18("4","8","3","6","7","10","1") = "9"
    & skf18("4","8","3","6","8","1","1") = "7"
    & skf18("4","8","3","6","8","2","1") = "7"
    & skf18("4","8","3","6","8","3","1") = "7"
    & skf18("4","8","3","6","8","4","1") = "7"
    & skf18("4","8","3","6","8","5","1") = "7"
    & skf18("4","8","3","6","8","6","1") = "7"
    & skf18("4","8","3","6","8","7","1") = "7"
    & skf18("4","8","3","6","8","8","1") = "7"
    & skf18("4","8","3","6","8","9","1") = "8"
    & skf18("4","8","3","6","8","10","1") = "9"
    & skf18("4","8","3","6","9","1","1") = "8"
    & skf18("4","8","3","6","9","2","1") = "8"
    & skf18("4","8","3","6","9","3","1") = "8"
    & skf18("4","8","3","6","9","4","1") = "8"
    & skf18("4","8","3","6","9","5","1") = "8"
    & skf18("4","8","3","6","9","6","1") = "8"
    & skf18("4","8","3","6","9","7","1") = "8"
    & skf18("4","8","3","6","9","8","1") = "8"
    & skf18("4","8","3","6","9","9","1") = "8"
    & skf18("4","8","3","6","9","10","1") = "9"
    & skf18("4","8","3","6","10","1","1") = "9"
    & skf18("4","8","3","6","10","2","1") = "9"
    & skf18("4","8","3","6","10","3","1") = "9"
    & skf18("4","8","3","6","10","4","1") = "9"
    & skf18("4","8","3","6","10","5","1") = "9"
    & skf18("4","8","3","6","10","6","1") = "9"
    & skf18("4","8","3","6","10","7","1") = "9"
    & skf18("4","8","3","6","10","8","1") = "9"
    & skf18("4","8","3","6","10","9","1") = "9"
    & skf18("4","8","3","6","10","10","1") = "9"
    & skf18("4","8","3","7","1","1","1") = "7"
    & skf18("4","8","3","7","1","2","1") = "7"
    & skf18("4","8","3","7","1","3","1") = "7"
    & skf18("4","8","3","7","1","4","1") = "7"
    & skf18("4","8","3","7","1","5","1") = "7"
    & skf18("4","8","3","7","1","6","1") = "7"
    & skf18("4","8","3","7","1","7","1") = "7"
    & skf18("4","8","3","7","1","8","1") = "7"
    & skf18("4","8","3","7","1","9","1") = "8"
    & skf18("4","8","3","7","1","10","1") = "9"
    & skf18("4","8","3","7","2","1","1") = "7"
    & skf18("4","8","3","7","2","2","1") = "7"
    & skf18("4","8","3","7","2","3","1") = "7"
    & skf18("4","8","3","7","2","4","1") = "7"
    & skf18("4","8","3","7","2","5","1") = "7"
    & skf18("4","8","3","7","2","6","1") = "7"
    & skf18("4","8","3","7","2","7","1") = "7"
    & skf18("4","8","3","7","2","8","1") = "7"
    & skf18("4","8","3","7","2","9","1") = "8"
    & skf18("4","8","3","7","2","10","1") = "9"
    & skf18("4","8","3","7","3","1","1") = "7"
    & skf18("4","8","3","7","3","2","1") = "7"
    & skf18("4","8","3","7","3","3","1") = "7"
    & skf18("4","8","3","7","3","4","1") = "7"
    & skf18("4","8","3","7","3","5","1") = "7"
    & skf18("4","8","3","7","3","6","1") = "7"
    & skf18("4","8","3","7","3","7","1") = "7"
    & skf18("4","8","3","7","3","8","1") = "7"
    & skf18("4","8","3","7","3","9","1") = "8"
    & skf18("4","8","3","7","3","10","1") = "9"
    & skf18("4","8","3","7","4","1","1") = "7"
    & skf18("4","8","3","7","4","2","1") = "7"
    & skf18("4","8","3","7","4","3","1") = "7"
    & skf18("4","8","3","7","4","4","1") = "7"
    & skf18("4","8","3","7","4","5","1") = "7"
    & skf18("4","8","3","7","4","6","1") = "7"
    & skf18("4","8","3","7","4","7","1") = "7"
    & skf18("4","8","3","7","4","8","1") = "7"
    & skf18("4","8","3","7","4","9","1") = "8"
    & skf18("4","8","3","7","4","10","1") = "9"
    & skf18("4","8","3","7","5","1","1") = "7"
    & skf18("4","8","3","7","5","2","1") = "7"
    & skf18("4","8","3","7","5","3","1") = "7"
    & skf18("4","8","3","7","5","4","1") = "7"
    & skf18("4","8","3","7","5","5","1") = "7"
    & skf18("4","8","3","7","5","6","1") = "7"
    & skf18("4","8","3","7","5","7","1") = "7"
    & skf18("4","8","3","7","5","8","1") = "7"
    & skf18("4","8","3","7","5","9","1") = "8"
    & skf18("4","8","3","7","5","10","1") = "9"
    & skf18("4","8","3","7","6","1","1") = "7"
    & skf18("4","8","3","7","6","2","1") = "7"
    & skf18("4","8","3","7","6","3","1") = "7"
    & skf18("4","8","3","7","6","4","1") = "7"
    & skf18("4","8","3","7","6","5","1") = "7"
    & skf18("4","8","3","7","6","6","1") = "7"
    & skf18("4","8","3","7","6","7","1") = "7"
    & skf18("4","8","3","7","6","8","1") = "7"
    & skf18("4","8","3","7","6","9","1") = "8"
    & skf18("4","8","3","7","6","10","1") = "9"
    & skf18("4","8","3","7","7","1","1") = "7"
    & skf18("4","8","3","7","7","2","1") = "7"
    & skf18("4","8","3","7","7","3","1") = "7"
    & skf18("4","8","3","7","7","4","1") = "7"
    & skf18("4","8","3","7","7","5","1") = "7"
    & skf18("4","8","3","7","7","6","1") = "7"
    & skf18("4","8","3","7","7","7","1") = "7"
    & skf18("4","8","3","7","7","8","1") = "7"
    & skf18("4","8","3","7","7","9","1") = "8"
    & skf18("4","8","3","7","7","10","1") = "9"
    & skf18("4","8","3","7","8","1","1") = "7"
    & skf18("4","8","3","7","8","2","1") = "7"
    & skf18("4","8","3","7","8","3","1") = "7"
    & skf18("4","8","3","7","8","4","1") = "7"
    & skf18("4","8","3","7","8","5","1") = "7"
    & skf18("4","8","3","7","8","6","1") = "7"
    & skf18("4","8","3","7","8","7","1") = "7"
    & skf18("4","8","3","7","8","8","1") = "7"
    & skf18("4","8","3","7","8","9","1") = "8"
    & skf18("4","8","3","7","8","10","1") = "9"
    & skf18("4","8","3","7","9","1","1") = "8"
    & skf18("4","8","3","7","9","2","1") = "8"
    & skf18("4","8","3","7","9","3","1") = "8"
    & skf18("4","8","3","7","9","4","1") = "8"
    & skf18("4","8","3","7","9","5","1") = "8"
    & skf18("4","8","3","7","9","6","1") = "8"
    & skf18("4","8","3","7","9","7","1") = "8"
    & skf18("4","8","3","7","9","8","1") = "8"
    & skf18("4","8","3","7","9","9","1") = "8"
    & skf18("4","8","3","7","9","10","1") = "9"
    & skf18("4","8","3","7","10","1","1") = "9"
    & skf18("4","8","3","7","10","2","1") = "9"
    & skf18("4","8","3","7","10","3","1") = "9"
    & skf18("4","8","3","7","10","4","1") = "9"
    & skf18("4","8","3","7","10","5","1") = "9"
    & skf18("4","8","3","7","10","6","1") = "9"
    & skf18("4","8","3","7","10","7","1") = "9"
    & skf18("4","8","3","7","10","8","1") = "9"
    & skf18("4","8","3","7","10","9","1") = "9"
    & skf18("4","8","3","7","10","10","1") = "9"
    & skf18("4","8","3","8","1","1","1") = "7"
    & skf18("4","8","3","8","1","2","1") = "7"
    & skf18("4","8","3","8","1","3","1") = "7"
    & skf18("4","8","3","8","1","4","1") = "7"
    & skf18("4","8","3","8","1","5","1") = "7"
    & skf18("4","8","3","8","1","6","1") = "7"
    & skf18("4","8","3","8","1","7","1") = "7"
    & skf18("4","8","3","8","1","8","1") = "7"
    & skf18("4","8","3","8","1","9","1") = "8"
    & skf18("4","8","3","8","1","10","1") = "9"
    & skf18("4","8","3","8","2","1","1") = "7"
    & skf18("4","8","3","8","2","2","1") = "7"
    & skf18("4","8","3","8","2","3","1") = "7"
    & skf18("4","8","3","8","2","4","1") = "7"
    & skf18("4","8","3","8","2","5","1") = "7"
    & skf18("4","8","3","8","2","6","1") = "7"
    & skf18("4","8","3","8","2","7","1") = "7"
    & skf18("4","8","3","8","2","8","1") = "7"
    & skf18("4","8","3","8","2","9","1") = "8"
    & skf18("4","8","3","8","2","10","1") = "9"
    & skf18("4","8","3","8","3","1","1") = "7"
    & skf18("4","8","3","8","3","2","1") = "7"
    & skf18("4","8","3","8","3","3","1") = "7"
    & skf18("4","8","3","8","3","4","1") = "7"
    & skf18("4","8","3","8","3","5","1") = "7"
    & skf18("4","8","3","8","3","6","1") = "7"
    & skf18("4","8","3","8","3","7","1") = "7"
    & skf18("4","8","3","8","3","8","1") = "7"
    & skf18("4","8","3","8","3","9","1") = "8"
    & skf18("4","8","3","8","3","10","1") = "9"
    & skf18("4","8","3","8","4","1","1") = "7"
    & skf18("4","8","3","8","4","2","1") = "7"
    & skf18("4","8","3","8","4","3","1") = "7"
    & skf18("4","8","3","8","4","4","1") = "7"
    & skf18("4","8","3","8","4","5","1") = "7"
    & skf18("4","8","3","8","4","6","1") = "7"
    & skf18("4","8","3","8","4","7","1") = "7"
    & skf18("4","8","3","8","4","8","1") = "7"
    & skf18("4","8","3","8","4","9","1") = "8"
    & skf18("4","8","3","8","4","10","1") = "9"
    & skf18("4","8","3","8","5","1","1") = "7"
    & skf18("4","8","3","8","5","2","1") = "7"
    & skf18("4","8","3","8","5","3","1") = "7"
    & skf18("4","8","3","8","5","4","1") = "7"
    & skf18("4","8","3","8","5","5","1") = "7"
    & skf18("4","8","3","8","5","6","1") = "7"
    & skf18("4","8","3","8","5","7","1") = "7"
    & skf18("4","8","3","8","5","8","1") = "7"
    & skf18("4","8","3","8","5","9","1") = "8"
    & skf18("4","8","3","8","5","10","1") = "9"
    & skf18("4","8","3","8","6","1","1") = "7"
    & skf18("4","8","3","8","6","2","1") = "7"
    & skf18("4","8","3","8","6","3","1") = "7"
    & skf18("4","8","3","8","6","4","1") = "7"
    & skf18("4","8","3","8","6","5","1") = "7"
    & skf18("4","8","3","8","6","6","1") = "7"
    & skf18("4","8","3","8","6","7","1") = "7"
    & skf18("4","8","3","8","6","8","1") = "7"
    & skf18("4","8","3","8","6","9","1") = "8"
    & skf18("4","8","3","8","6","10","1") = "9"
    & skf18("4","8","3","8","7","1","1") = "7"
    & skf18("4","8","3","8","7","2","1") = "7"
    & skf18("4","8","3","8","7","3","1") = "7"
    & skf18("4","8","3","8","7","4","1") = "7"
    & skf18("4","8","3","8","7","5","1") = "7"
    & skf18("4","8","3","8","7","6","1") = "7"
    & skf18("4","8","3","8","7","7","1") = "7"
    & skf18("4","8","3","8","7","8","1") = "7"
    & skf18("4","8","3","8","7","9","1") = "8"
    & skf18("4","8","3","8","7","10","1") = "9"
    & skf18("4","8","3","8","8","1","1") = "7"
    & skf18("4","8","3","8","8","2","1") = "7"
    & skf18("4","8","3","8","8","3","1") = "7"
    & skf18("4","8","3","8","8","4","1") = "7"
    & skf18("4","8","3","8","8","5","1") = "7"
    & skf18("4","8","3","8","8","6","1") = "7"
    & skf18("4","8","3","8","8","7","1") = "7"
    & skf18("4","8","3","8","8","8","1") = "7"
    & skf18("4","8","3","8","8","9","1") = "8"
    & skf18("4","8","3","8","8","10","1") = "9"
    & skf18("4","8","3","8","9","1","1") = "8"
    & skf18("4","8","3","8","9","2","1") = "8"
    & skf18("4","8","3","8","9","3","1") = "8"
    & skf18("4","8","3","8","9","4","1") = "8"
    & skf18("4","8","3","8","9","5","1") = "8"
    & skf18("4","8","3","8","9","6","1") = "8"
    & skf18("4","8","3","8","9","7","1") = "8"
    & skf18("4","8","3","8","9","8","1") = "8"
    & skf18("4","8","3","8","9","9","1") = "8"
    & skf18("4","8","3","8","9","10","1") = "9"
    & skf18("4","8","3","8","10","1","1") = "9"
    & skf18("4","8","3","8","10","2","1") = "9"
    & skf18("4","8","3","8","10","3","1") = "9"
    & skf18("4","8","3","8","10","4","1") = "9"
    & skf18("4","8","3","8","10","5","1") = "9"
    & skf18("4","8","3","8","10","6","1") = "9"
    & skf18("4","8","3","8","10","7","1") = "9"
    & skf18("4","8","3","8","10","8","1") = "9"
    & skf18("4","8","3","8","10","9","1") = "9"
    & skf18("4","8","3","8","10","10","1") = "9"
    & skf18("4","8","3","9","1","1","1") = "8"
    & skf18("4","8","3","9","1","2","1") = "8"
    & skf18("4","8","3","9","1","3","1") = "8"
    & skf18("4","8","3","9","1","4","1") = "8"
    & skf18("4","8","3","9","1","5","1") = "8"
    & skf18("4","8","3","9","1","6","1") = "8"
    & skf18("4","8","3","9","1","7","1") = "8"
    & skf18("4","8","3","9","1","8","1") = "8"
    & skf18("4","8","3","9","1","9","1") = "8"
    & skf18("4","8","3","9","1","10","1") = "9"
    & skf18("4","8","3","9","2","1","1") = "8"
    & skf18("4","8","3","9","2","2","1") = "8"
    & skf18("4","8","3","9","2","3","1") = "8"
    & skf18("4","8","3","9","2","4","1") = "8"
    & skf18("4","8","3","9","2","5","1") = "8"
    & skf18("4","8","3","9","2","6","1") = "8"
    & skf18("4","8","3","9","2","7","1") = "8"
    & skf18("4","8","3","9","2","8","1") = "8"
    & skf18("4","8","3","9","2","9","1") = "8"
    & skf18("4","8","3","9","2","10","1") = "9"
    & skf18("4","8","3","9","3","1","1") = "8"
    & skf18("4","8","3","9","3","2","1") = "8"
    & skf18("4","8","3","9","3","3","1") = "8"
    & skf18("4","8","3","9","3","4","1") = "8"
    & skf18("4","8","3","9","3","5","1") = "8"
    & skf18("4","8","3","9","3","6","1") = "8"
    & skf18("4","8","3","9","3","7","1") = "8"
    & skf18("4","8","3","9","3","8","1") = "8"
    & skf18("4","8","3","9","3","9","1") = "8"
    & skf18("4","8","3","9","3","10","1") = "9"
    & skf18("4","8","3","9","4","1","1") = "8"
    & skf18("4","8","3","9","4","2","1") = "8"
    & skf18("4","8","3","9","4","3","1") = "8"
    & skf18("4","8","3","9","4","4","1") = "8"
    & skf18("4","8","3","9","4","5","1") = "8"
    & skf18("4","8","3","9","4","6","1") = "8"
    & skf18("4","8","3","9","4","7","1") = "8"
    & skf18("4","8","3","9","4","8","1") = "8"
    & skf18("4","8","3","9","4","9","1") = "8"
    & skf18("4","8","3","9","4","10","1") = "9"
    & skf18("4","8","3","9","5","1","1") = "8"
    & skf18("4","8","3","9","5","2","1") = "8"
    & skf18("4","8","3","9","5","3","1") = "8"
    & skf18("4","8","3","9","5","4","1") = "8"
    & skf18("4","8","3","9","5","5","1") = "8"
    & skf18("4","8","3","9","5","6","1") = "8"
    & skf18("4","8","3","9","5","7","1") = "8"
    & skf18("4","8","3","9","5","8","1") = "8"
    & skf18("4","8","3","9","5","9","1") = "8"
    & skf18("4","8","3","9","5","10","1") = "9"
    & skf18("4","8","3","9","6","1","1") = "8"
    & skf18("4","8","3","9","6","2","1") = "8"
    & skf18("4","8","3","9","6","3","1") = "8"
    & skf18("4","8","3","9","6","4","1") = "8"
    & skf18("4","8","3","9","6","5","1") = "8"
    & skf18("4","8","3","9","6","6","1") = "8"
    & skf18("4","8","3","9","6","7","1") = "8"
    & skf18("4","8","3","9","6","8","1") = "8"
    & skf18("4","8","3","9","6","9","1") = "8"
    & skf18("4","8","3","9","6","10","1") = "9"
    & skf18("4","8","3","9","7","1","1") = "8"
    & skf18("4","8","3","9","7","2","1") = "8"
    & skf18("4","8","3","9","7","3","1") = "8"
    & skf18("4","8","3","9","7","4","1") = "8"
    & skf18("4","8","3","9","7","5","1") = "8"
    & skf18("4","8","3","9","7","6","1") = "8"
    & skf18("4","8","3","9","7","7","1") = "8"
    & skf18("4","8","3","9","7","8","1") = "8"
    & skf18("4","8","3","9","7","9","1") = "8"
    & skf18("4","8","3","9","7","10","1") = "9"
    & skf18("4","8","3","9","8","1","1") = "8"
    & skf18("4","8","3","9","8","2","1") = "8"
    & skf18("4","8","3","9","8","3","1") = "8"
    & skf18("4","8","3","9","8","4","1") = "8"
    & skf18("4","8","3","9","8","5","1") = "8"
    & skf18("4","8","3","9","8","6","1") = "8"
    & skf18("4","8","3","9","8","7","1") = "8"
    & skf18("4","8","3","9","8","8","1") = "8"
    & skf18("4","8","3","9","8","9","1") = "8"
    & skf18("4","8","3","9","8","10","1") = "9"
    & skf18("4","8","3","9","9","1","1") = "8"
    & skf18("4","8","3","9","9","2","1") = "8"
    & skf18("4","8","3","9","9","3","1") = "8"
    & skf18("4","8","3","9","9","4","1") = "8"
    & skf18("4","8","3","9","9","5","1") = "8"
    & skf18("4","8","3","9","9","6","1") = "8"
    & skf18("4","8","3","9","9","7","1") = "8"
    & skf18("4","8","3","9","9","8","1") = "8"
    & skf18("4","8","3","9","9","9","1") = "8"
    & skf18("4","8","3","9","9","10","1") = "9"
    & skf18("4","8","3","9","10","1","1") = "9"
    & skf18("4","8","3","9","10","2","1") = "9"
    & skf18("4","8","3","9","10","3","1") = "9"
    & skf18("4","8","3","9","10","4","1") = "9"
    & skf18("4","8","3","9","10","5","1") = "9"
    & skf18("4","8","3","9","10","6","1") = "9"
    & skf18("4","8","3","9","10","7","1") = "9"
    & skf18("4","8","3","9","10","8","1") = "9"
    & skf18("4","8","3","9","10","9","1") = "9"
    & skf18("4","8","3","9","10","10","1") = "9"
    & skf18("4","8","3","10","1","1","1") = "9"
    & skf18("4","8","3","10","1","2","1") = "9"
    & skf18("4","8","3","10","1","3","1") = "9"
    & skf18("4","8","3","10","1","4","1") = "9"
    & skf18("4","8","3","10","1","5","1") = "9"
    & skf18("4","8","3","10","1","6","1") = "9"
    & skf18("4","8","3","10","1","7","1") = "9"
    & skf18("4","8","3","10","1","8","1") = "9"
    & skf18("4","8","3","10","1","9","1") = "9"
    & skf18("4","8","3","10","1","10","1") = "9"
    & skf18("4","8","3","10","2","1","1") = "9"
    & skf18("4","8","3","10","2","2","1") = "9"
    & skf18("4","8","3","10","2","3","1") = "9"
    & skf18("4","8","3","10","2","4","1") = "9"
    & skf18("4","8","3","10","2","5","1") = "9"
    & skf18("4","8","3","10","2","6","1") = "9"
    & skf18("4","8","3","10","2","7","1") = "9"
    & skf18("4","8","3","10","2","8","1") = "9"
    & skf18("4","8","3","10","2","9","1") = "9"
    & skf18("4","8","3","10","2","10","1") = "9"
    & skf18("4","8","3","10","3","1","1") = "9"
    & skf18("4","8","3","10","3","2","1") = "9"
    & skf18("4","8","3","10","3","3","1") = "9"
    & skf18("4","8","3","10","3","4","1") = "9"
    & skf18("4","8","3","10","3","5","1") = "9"
    & skf18("4","8","3","10","3","6","1") = "9"
    & skf18("4","8","3","10","3","7","1") = "9"
    & skf18("4","8","3","10","3","8","1") = "9"
    & skf18("4","8","3","10","3","9","1") = "9"
    & skf18("4","8","3","10","3","10","1") = "9"
    & skf18("4","8","3","10","4","1","1") = "9"
    & skf18("4","8","3","10","4","2","1") = "9"
    & skf18("4","8","3","10","4","3","1") = "9"
    & skf18("4","8","3","10","4","4","1") = "9"
    & skf18("4","8","3","10","4","5","1") = "9"
    & skf18("4","8","3","10","4","6","1") = "9"
    & skf18("4","8","3","10","4","7","1") = "9"
    & skf18("4","8","3","10","4","8","1") = "9"
    & skf18("4","8","3","10","4","9","1") = "9"
    & skf18("4","8","3","10","4","10","1") = "9"
    & skf18("4","8","3","10","5","1","1") = "9"
    & skf18("4","8","3","10","5","2","1") = "9"
    & skf18("4","8","3","10","5","3","1") = "9"
    & skf18("4","8","3","10","5","4","1") = "9"
    & skf18("4","8","3","10","5","5","1") = "9"
    & skf18("4","8","3","10","5","6","1") = "9"
    & skf18("4","8","3","10","5","7","1") = "9"
    & skf18("4","8","3","10","5","8","1") = "9"
    & skf18("4","8","3","10","5","9","1") = "9"
    & skf18("4","8","3","10","5","10","1") = "9"
    & skf18("4","8","3","10","6","1","1") = "9"
    & skf18("4","8","3","10","6","2","1") = "9"
    & skf18("4","8","3","10","6","3","1") = "9"
    & skf18("4","8","3","10","6","4","1") = "9"
    & skf18("4","8","3","10","6","5","1") = "9"
    & skf18("4","8","3","10","6","6","1") = "9"
    & skf18("4","8","3","10","6","7","1") = "9"
    & skf18("4","8","3","10","6","8","1") = "9"
    & skf18("4","8","3","10","6","9","1") = "9"
    & skf18("4","8","3","10","6","10","1") = "9"
    & skf18("4","8","3","10","7","1","1") = "9"
    & skf18("4","8","3","10","7","2","1") = "9"
    & skf18("4","8","3","10","7","3","1") = "9"
    & skf18("4","8","3","10","7","4","1") = "9"
    & skf18("4","8","3","10","7","5","1") = "9"
    & skf18("4","8","3","10","7","6","1") = "9"
    & skf18("4","8","3","10","7","7","1") = "9"
    & skf18("4","8","3","10","7","8","1") = "9"
    & skf18("4","8","3","10","7","9","1") = "9"
    & skf18("4","8","3","10","7","10","1") = "9"
    & skf18("4","8","3","10","8","1","1") = "9"
    & skf18("4","8","3","10","8","2","1") = "9"
    & skf18("4","8","3","10","8","3","1") = "9"
    & skf18("4","8","3","10","8","4","1") = "9"
    & skf18("4","8","3","10","8","5","1") = "9"
    & skf18("4","8","3","10","8","6","1") = "9"
    & skf18("4","8","3","10","8","7","1") = "9"
    & skf18("4","8","3","10","8","8","1") = "9"
    & skf18("4","8","3","10","8","9","1") = "9"
    & skf18("4","8","3","10","8","10","1") = "9"
    & skf18("4","8","3","10","9","1","1") = "9"
    & skf18("4","8","3","10","9","2","1") = "9"
    & skf18("4","8","3","10","9","3","1") = "9"
    & skf18("4","8","3","10","9","4","1") = "9"
    & skf18("4","8","3","10","9","5","1") = "9"
    & skf18("4","8","3","10","9","6","1") = "9"
    & skf18("4","8","3","10","9","7","1") = "9"
    & skf18("4","8","3","10","9","8","1") = "9"
    & skf18("4","8","3","10","9","9","1") = "9"
    & skf18("4","8","3","10","9","10","1") = "9"
    & skf18("4","8","3","10","10","1","1") = "9"
    & skf18("4","8","3","10","10","2","1") = "9"
    & skf18("4","8","3","10","10","3","1") = "9"
    & skf18("4","8","3","10","10","4","1") = "9"
    & skf18("4","8","3","10","10","5","1") = "9"
    & skf18("4","8","3","10","10","6","1") = "9"
    & skf18("4","8","3","10","10","7","1") = "9"
    & skf18("4","8","3","10","10","8","1") = "9"
    & skf18("4","8","3","10","10","9","1") = "9"
    & skf18("4","8","3","10","10","10","1") = "9"
    & skf18("4","8","4","1","1","1","1") = "7"
    & skf18("4","8","4","1","1","2","1") = "7"
    & skf18("4","8","4","1","1","3","1") = "7"
    & skf18("4","8","4","1","1","4","1") = "7"
    & skf18("4","8","4","1","1","5","1") = "7"
    & skf18("4","8","4","1","1","6","1") = "7"
    & skf18("4","8","4","1","1","7","1") = "7"
    & skf18("4","8","4","1","1","8","1") = "7"
    & skf18("4","8","4","1","1","9","1") = "8"
    & skf18("4","8","4","1","1","10","1") = "9"
    & skf18("4","8","4","1","2","1","1") = "7"
    & skf18("4","8","4","1","2","2","1") = "7"
    & skf18("4","8","4","1","2","3","1") = "7"
    & skf18("4","8","4","1","2","4","1") = "7"
    & skf18("4","8","4","1","2","5","1") = "7"
    & skf18("4","8","4","1","2","6","1") = "7"
    & skf18("4","8","4","1","2","7","1") = "7"
    & skf18("4","8","4","1","2","8","1") = "7"
    & skf18("4","8","4","1","2","9","1") = "8"
    & skf18("4","8","4","1","2","10","1") = "9"
    & skf18("4","8","4","1","3","1","1") = "7"
    & skf18("4","8","4","1","3","2","1") = "7"
    & skf18("4","8","4","1","3","3","1") = "7"
    & skf18("4","8","4","1","3","4","1") = "7"
    & skf18("4","8","4","1","3","5","1") = "7"
    & skf18("4","8","4","1","3","6","1") = "7"
    & skf18("4","8","4","1","3","7","1") = "7"
    & skf18("4","8","4","1","3","8","1") = "7"
    & skf18("4","8","4","1","3","9","1") = "8"
    & skf18("4","8","4","1","3","10","1") = "9"
    & skf18("4","8","4","1","4","1","1") = "7"
    & skf18("4","8","4","1","4","2","1") = "7"
    & skf18("4","8","4","1","4","3","1") = "7"
    & skf18("4","8","4","1","4","4","1") = "7"
    & skf18("4","8","4","1","4","5","1") = "7"
    & skf18("4","8","4","1","4","6","1") = "7"
    & skf18("4","8","4","1","4","7","1") = "7"
    & skf18("4","8","4","1","4","8","1") = "7"
    & skf18("4","8","4","1","4","9","1") = "8"
    & skf18("4","8","4","1","4","10","1") = "9"
    & skf18("4","8","4","1","5","1","1") = "7"
    & skf18("4","8","4","1","5","2","1") = "7"
    & skf18("4","8","4","1","5","3","1") = "7"
    & skf18("4","8","4","1","5","4","1") = "7"
    & skf18("4","8","4","1","5","5","1") = "7"
    & skf18("4","8","4","1","5","6","1") = "7"
    & skf18("4","8","4","1","5","7","1") = "7"
    & skf18("4","8","4","1","5","8","1") = "7"
    & skf18("4","8","4","1","5","9","1") = "8"
    & skf18("4","8","4","1","5","10","1") = "9"
    & skf18("4","8","4","1","6","1","1") = "7"
    & skf18("4","8","4","1","6","2","1") = "7"
    & skf18("4","8","4","1","6","3","1") = "7"
    & skf18("4","8","4","1","6","4","1") = "7"
    & skf18("4","8","4","1","6","5","1") = "7"
    & skf18("4","8","4","1","6","6","1") = "7"
    & skf18("4","8","4","1","6","7","1") = "7"
    & skf18("4","8","4","1","6","8","1") = "7"
    & skf18("4","8","4","1","6","9","1") = "8"
    & skf18("4","8","4","1","6","10","1") = "9"
    & skf18("4","8","4","1","7","1","1") = "7"
    & skf18("4","8","4","1","7","2","1") = "7"
    & skf18("4","8","4","1","7","3","1") = "7"
    & skf18("4","8","4","1","7","4","1") = "7"
    & skf18("4","8","4","1","7","5","1") = "7"
    & skf18("4","8","4","1","7","6","1") = "7"
    & skf18("4","8","4","1","7","7","1") = "7"
    & skf18("4","8","4","1","7","8","1") = "7"
    & skf18("4","8","4","1","7","9","1") = "8"
    & skf18("4","8","4","1","7","10","1") = "9"
    & skf18("4","8","4","1","8","1","1") = "7"
    & skf18("4","8","4","1","8","2","1") = "7"
    & skf18("4","8","4","1","8","3","1") = "7"
    & skf18("4","8","4","1","8","4","1") = "7"
    & skf18("4","8","4","1","8","5","1") = "7"
    & skf18("4","8","4","1","8","6","1") = "7"
    & skf18("4","8","4","1","8","7","1") = "7"
    & skf18("4","8","4","1","8","8","1") = "7"
    & skf18("4","8","4","1","8","9","1") = "8"
    & skf18("4","8","4","1","8","10","1") = "9"
    & skf18("4","8","4","1","9","1","1") = "8"
    & skf18("4","8","4","1","9","2","1") = "8"
    & skf18("4","8","4","1","9","3","1") = "8"
    & skf18("4","8","4","1","9","4","1") = "8"
    & skf18("4","8","4","1","9","5","1") = "8"
    & skf18("4","8","4","1","9","6","1") = "8"
    & skf18("4","8","4","1","9","7","1") = "8"
    & skf18("4","8","4","1","9","8","1") = "8"
    & skf18("4","8","4","1","9","9","1") = "8"
    & skf18("4","8","4","1","9","10","1") = "9"
    & skf18("4","8","4","1","10","1","1") = "9"
    & skf18("4","8","4","1","10","2","1") = "9"
    & skf18("4","8","4","1","10","3","1") = "9"
    & skf18("4","8","4","1","10","4","1") = "9"
    & skf18("4","8","4","1","10","5","1") = "9"
    & skf18("4","8","4","1","10","6","1") = "9"
    & skf18("4","8","4","1","10","7","1") = "9"
    & skf18("4","8","4","1","10","8","1") = "9"
    & skf18("4","8","4","1","10","9","1") = "9"
    & skf18("4","8","4","1","10","10","1") = "9"
    & skf18("4","8","4","2","1","1","1") = "7"
    & skf18("4","8","4","2","1","2","1") = "7"
    & skf18("4","8","4","2","1","3","1") = "7"
    & skf18("4","8","4","2","1","4","1") = "7"
    & skf18("4","8","4","2","1","5","1") = "7"
    & skf18("4","8","4","2","1","6","1") = "7"
    & skf18("4","8","4","2","1","7","1") = "7"
    & skf18("4","8","4","2","1","8","1") = "7"
    & skf18("4","8","4","2","1","9","1") = "8"
    & skf18("4","8","4","2","1","10","1") = "9"
    & skf18("4","8","4","2","2","1","1") = "7"
    & skf18("4","8","4","2","2","2","1") = "7"
    & skf18("4","8","4","2","2","3","1") = "7"
    & skf18("4","8","4","2","2","4","1") = "7"
    & skf18("4","8","4","2","2","5","1") = "7"
    & skf18("4","8","4","2","2","6","1") = "7"
    & skf18("4","8","4","2","2","7","1") = "7"
    & skf18("4","8","4","2","2","8","1") = "7"
    & skf18("4","8","4","2","2","9","1") = "8"
    & skf18("4","8","4","2","2","10","1") = "9"
    & skf18("4","8","4","2","3","1","1") = "7"
    & skf18("4","8","4","2","3","2","1") = "7"
    & skf18("4","8","4","2","3","3","1") = "7"
    & skf18("4","8","4","2","3","4","1") = "7"
    & skf18("4","8","4","2","3","5","1") = "7"
    & skf18("4","8","4","2","3","6","1") = "7"
    & skf18("4","8","4","2","3","7","1") = "7"
    & skf18("4","8","4","2","3","8","1") = "7"
    & skf18("4","8","4","2","3","9","1") = "8"
    & skf18("4","8","4","2","3","10","1") = "9"
    & skf18("4","8","4","2","4","1","1") = "7"
    & skf18("4","8","4","2","4","2","1") = "7"
    & skf18("4","8","4","2","4","3","1") = "7"
    & skf18("4","8","4","2","4","4","1") = "7"
    & skf18("4","8","4","2","4","5","1") = "7"
    & skf18("4","8","4","2","4","6","1") = "7"
    & skf18("4","8","4","2","4","7","1") = "7"
    & skf18("4","8","4","2","4","8","1") = "7"
    & skf18("4","8","4","2","4","9","1") = "8"
    & skf18("4","8","4","2","4","10","1") = "9"
    & skf18("4","8","4","2","5","1","1") = "7"
    & skf18("4","8","4","2","5","2","1") = "7"
    & skf18("4","8","4","2","5","3","1") = "7"
    & skf18("4","8","4","2","5","4","1") = "7"
    & skf18("4","8","4","2","5","5","1") = "7"
    & skf18("4","8","4","2","5","6","1") = "7"
    & skf18("4","8","4","2","5","7","1") = "7"
    & skf18("4","8","4","2","5","8","1") = "7"
    & skf18("4","8","4","2","5","9","1") = "8"
    & skf18("4","8","4","2","5","10","1") = "9"
    & skf18("4","8","4","2","6","1","1") = "7"
    & skf18("4","8","4","2","6","2","1") = "7"
    & skf18("4","8","4","2","6","3","1") = "7"
    & skf18("4","8","4","2","6","4","1") = "7"
    & skf18("4","8","4","2","6","5","1") = "7"
    & skf18("4","8","4","2","6","6","1") = "7"
    & skf18("4","8","4","2","6","7","1") = "7"
    & skf18("4","8","4","2","6","8","1") = "7"
    & skf18("4","8","4","2","6","9","1") = "8"
    & skf18("4","8","4","2","6","10","1") = "9"
    & skf18("4","8","4","2","7","1","1") = "7"
    & skf18("4","8","4","2","7","2","1") = "7"
    & skf18("4","8","4","2","7","3","1") = "7"
    & skf18("4","8","4","2","7","4","1") = "7"
    & skf18("4","8","4","2","7","5","1") = "7"
    & skf18("4","8","4","2","7","6","1") = "7"
    & skf18("4","8","4","2","7","7","1") = "7"
    & skf18("4","8","4","2","7","8","1") = "7"
    & skf18("4","8","4","2","7","9","1") = "8"
    & skf18("4","8","4","2","7","10","1") = "9"
    & skf18("4","8","4","2","8","1","1") = "7"
    & skf18("4","8","4","2","8","2","1") = "7"
    & skf18("4","8","4","2","8","3","1") = "7"
    & skf18("4","8","4","2","8","4","1") = "7"
    & skf18("4","8","4","2","8","5","1") = "7"
    & skf18("4","8","4","2","8","6","1") = "7"
    & skf18("4","8","4","2","8","7","1") = "7"
    & skf18("4","8","4","2","8","8","1") = "7"
    & skf18("4","8","4","2","8","9","1") = "8"
    & skf18("4","8","4","2","8","10","1") = "9"
    & skf18("4","8","4","2","9","1","1") = "8"
    & skf18("4","8","4","2","9","2","1") = "8"
    & skf18("4","8","4","2","9","3","1") = "8"
    & skf18("4","8","4","2","9","4","1") = "8"
    & skf18("4","8","4","2","9","5","1") = "8"
    & skf18("4","8","4","2","9","6","1") = "8"
    & skf18("4","8","4","2","9","7","1") = "8"
    & skf18("4","8","4","2","9","8","1") = "8"
    & skf18("4","8","4","2","9","9","1") = "8"
    & skf18("4","8","4","2","9","10","1") = "9"
    & skf18("4","8","4","2","10","1","1") = "9"
    & skf18("4","8","4","2","10","2","1") = "9"
    & skf18("4","8","4","2","10","3","1") = "9"
    & skf18("4","8","4","2","10","4","1") = "9"
    & skf18("4","8","4","2","10","5","1") = "9"
    & skf18("4","8","4","2","10","6","1") = "9"
    & skf18("4","8","4","2","10","7","1") = "9"
    & skf18("4","8","4","2","10","8","1") = "9"
    & skf18("4","8","4","2","10","9","1") = "9"
    & skf18("4","8","4","2","10","10","1") = "9"
    & skf18("4","8","4","3","1","1","1") = "7"
    & skf18("4","8","4","3","1","2","1") = "7"
    & skf18("4","8","4","3","1","3","1") = "7"
    & skf18("4","8","4","3","1","4","1") = "7"
    & skf18("4","8","4","3","1","5","1") = "7"
    & skf18("4","8","4","3","1","6","1") = "7"
    & skf18("4","8","4","3","1","7","1") = "7"
    & skf18("4","8","4","3","1","8","1") = "7"
    & skf18("4","8","4","3","1","9","1") = "8"
    & skf18("4","8","4","3","1","10","1") = "9"
    & skf18("4","8","4","3","2","1","1") = "7"
    & skf18("4","8","4","3","2","2","1") = "7"
    & skf18("4","8","4","3","2","3","1") = "7"
    & skf18("4","8","4","3","2","4","1") = "7"
    & skf18("4","8","4","3","2","5","1") = "7"
    & skf18("4","8","4","3","2","6","1") = "7"
    & skf18("4","8","4","3","2","7","1") = "7"
    & skf18("4","8","4","3","2","8","1") = "7"
    & skf18("4","8","4","3","2","9","1") = "8"
    & skf18("4","8","4","3","2","10","1") = "9"
    & skf18("4","8","4","3","3","1","1") = "7"
    & skf18("4","8","4","3","3","2","1") = "7"
    & skf18("4","8","4","3","3","3","1") = "7"
    & skf18("4","8","4","3","3","4","1") = "7"
    & skf18("4","8","4","3","3","5","1") = "7"
    & skf18("4","8","4","3","3","6","1") = "7"
    & skf18("4","8","4","3","3","7","1") = "7"
    & skf18("4","8","4","3","3","8","1") = "7"
    & skf18("4","8","4","3","3","9","1") = "8"
    & skf18("4","8","4","3","3","10","1") = "9"
    & skf18("4","8","4","3","4","1","1") = "7"
    & skf18("4","8","4","3","4","2","1") = "7"
    & skf18("4","8","4","3","4","3","1") = "7"
    & skf18("4","8","4","3","4","4","1") = "7"
    & skf18("4","8","4","3","4","5","1") = "7"
    & skf18("4","8","4","3","4","6","1") = "7"
    & skf18("4","8","4","3","4","7","1") = "7"
    & skf18("4","8","4","3","4","8","1") = "7"
    & skf18("4","8","4","3","4","9","1") = "8"
    & skf18("4","8","4","3","4","10","1") = "9"
    & skf18("4","8","4","3","5","1","1") = "7"
    & skf18("4","8","4","3","5","2","1") = "7"
    & skf18("4","8","4","3","5","3","1") = "7"
    & skf18("4","8","4","3","5","4","1") = "7"
    & skf18("4","8","4","3","5","5","1") = "7"
    & skf18("4","8","4","3","5","6","1") = "7"
    & skf18("4","8","4","3","5","7","1") = "7"
    & skf18("4","8","4","3","5","8","1") = "7"
    & skf18("4","8","4","3","5","9","1") = "8"
    & skf18("4","8","4","3","5","10","1") = "9"
    & skf18("4","8","4","3","6","1","1") = "7"
    & skf18("4","8","4","3","6","2","1") = "7"
    & skf18("4","8","4","3","6","3","1") = "7"
    & skf18("4","8","4","3","6","4","1") = "7"
    & skf18("4","8","4","3","6","5","1") = "7"
    & skf18("4","8","4","3","6","6","1") = "7"
    & skf18("4","8","4","3","6","7","1") = "7"
    & skf18("4","8","4","3","6","8","1") = "7"
    & skf18("4","8","4","3","6","9","1") = "8"
    & skf18("4","8","4","3","6","10","1") = "9"
    & skf18("4","8","4","3","7","1","1") = "7"
    & skf18("4","8","4","3","7","2","1") = "7"
    & skf18("4","8","4","3","7","3","1") = "7"
    & skf18("4","8","4","3","7","4","1") = "7"
    & skf18("4","8","4","3","7","5","1") = "7"
    & skf18("4","8","4","3","7","6","1") = "7"
    & skf18("4","8","4","3","7","7","1") = "7"
    & skf18("4","8","4","3","7","8","1") = "7"
    & skf18("4","8","4","3","7","9","1") = "8"
    & skf18("4","8","4","3","7","10","1") = "9"
    & skf18("4","8","4","3","8","1","1") = "7"
    & skf18("4","8","4","3","8","2","1") = "7"
    & skf18("4","8","4","3","8","3","1") = "7"
    & skf18("4","8","4","3","8","4","1") = "7"
    & skf18("4","8","4","3","8","5","1") = "7"
    & skf18("4","8","4","3","8","6","1") = "7"
    & skf18("4","8","4","3","8","7","1") = "7"
    & skf18("4","8","4","3","8","8","1") = "7"
    & skf18("4","8","4","3","8","9","1") = "8"
    & skf18("4","8","4","3","8","10","1") = "9"
    & skf18("4","8","4","3","9","1","1") = "8"
    & skf18("4","8","4","3","9","2","1") = "8"
    & skf18("4","8","4","3","9","3","1") = "8"
    & skf18("4","8","4","3","9","4","1") = "8"
    & skf18("4","8","4","3","9","5","1") = "8"
    & skf18("4","8","4","3","9","6","1") = "8"
    & skf18("4","8","4","3","9","7","1") = "8"
    & skf18("4","8","4","3","9","8","1") = "8"
    & skf18("4","8","4","3","9","9","1") = "8"
    & skf18("4","8","4","3","9","10","1") = "9"
    & skf18("4","8","4","3","10","1","1") = "9"
    & skf18("4","8","4","3","10","2","1") = "9"
    & skf18("4","8","4","3","10","3","1") = "9"
    & skf18("4","8","4","3","10","4","1") = "9"
    & skf18("4","8","4","3","10","5","1") = "9"
    & skf18("4","8","4","3","10","6","1") = "9"
    & skf18("4","8","4","3","10","7","1") = "9"
    & skf18("4","8","4","3","10","8","1") = "9"
    & skf18("4","8","4","3","10","9","1") = "9"
    & skf18("4","8","4","3","10","10","1") = "9"
    & skf18("4","8","4","4","1","1","1") = "7"
    & skf18("4","8","4","4","1","2","1") = "7"
    & skf18("4","8","4","4","1","3","1") = "7"
    & skf18("4","8","4","4","1","4","1") = "7"
    & skf18("4","8","4","4","1","5","1") = "7"
    & skf18("4","8","4","4","1","6","1") = "7"
    & skf18("4","8","4","4","1","7","1") = "7"
    & skf18("4","8","4","4","1","8","1") = "7"
    & skf18("4","8","4","4","1","9","1") = "8"
    & skf18("4","8","4","4","1","10","1") = "9"
    & skf18("4","8","4","4","2","1","1") = "7"
    & skf18("4","8","4","4","2","2","1") = "7"
    & skf18("4","8","4","4","2","3","1") = "7"
    & skf18("4","8","4","4","2","4","1") = "7"
    & skf18("4","8","4","4","2","5","1") = "7"
    & skf18("4","8","4","4","2","6","1") = "7"
    & skf18("4","8","4","4","2","7","1") = "7"
    & skf18("4","8","4","4","2","8","1") = "7"
    & skf18("4","8","4","4","2","9","1") = "8"
    & skf18("4","8","4","4","2","10","1") = "9"
    & skf18("4","8","4","4","3","1","1") = "7"
    & skf18("4","8","4","4","3","2","1") = "7"
    & skf18("4","8","4","4","3","3","1") = "7"
    & skf18("4","8","4","4","3","4","1") = "7"
    & skf18("4","8","4","4","3","5","1") = "7"
    & skf18("4","8","4","4","3","6","1") = "7"
    & skf18("4","8","4","4","3","7","1") = "7"
    & skf18("4","8","4","4","3","8","1") = "7"
    & skf18("4","8","4","4","3","9","1") = "8"
    & skf18("4","8","4","4","3","10","1") = "9"
    & skf18("4","8","4","4","4","1","1") = "7"
    & skf18("4","8","4","4","4","2","1") = "7"
    & skf18("4","8","4","4","4","3","1") = "7"
    & skf18("4","8","4","4","4","4","1") = "7"
    & skf18("4","8","4","4","4","5","1") = "7"
    & skf18("4","8","4","4","4","6","1") = "7"
    & skf18("4","8","4","4","4","7","1") = "7"
    & skf18("4","8","4","4","4","8","1") = "7"
    & skf18("4","8","4","4","4","9","1") = "8"
    & skf18("4","8","4","4","4","10","1") = "9"
    & skf18("4","8","4","4","5","1","1") = "7"
    & skf18("4","8","4","4","5","2","1") = "7"
    & skf18("4","8","4","4","5","3","1") = "7"
    & skf18("4","8","4","4","5","4","1") = "7"
    & skf18("4","8","4","4","5","5","1") = "7"
    & skf18("4","8","4","4","5","6","1") = "7"
    & skf18("4","8","4","4","5","7","1") = "7"
    & skf18("4","8","4","4","5","8","1") = "7"
    & skf18("4","8","4","4","5","9","1") = "8"
    & skf18("4","8","4","4","5","10","1") = "9"
    & skf18("4","8","4","4","6","1","1") = "7"
    & skf18("4","8","4","4","6","2","1") = "7"
    & skf18("4","8","4","4","6","3","1") = "7"
    & skf18("4","8","4","4","6","4","1") = "7"
    & skf18("4","8","4","4","6","5","1") = "7"
    & skf18("4","8","4","4","6","6","1") = "7"
    & skf18("4","8","4","4","6","7","1") = "7"
    & skf18("4","8","4","4","6","8","1") = "7"
    & skf18("4","8","4","4","6","9","1") = "8"
    & skf18("4","8","4","4","6","10","1") = "9"
    & skf18("4","8","4","4","7","1","1") = "7"
    & skf18("4","8","4","4","7","2","1") = "7"
    & skf18("4","8","4","4","7","3","1") = "7"
    & skf18("4","8","4","4","7","4","1") = "7"
    & skf18("4","8","4","4","7","5","1") = "7"
    & skf18("4","8","4","4","7","6","1") = "7"
    & skf18("4","8","4","4","7","7","1") = "7"
    & skf18("4","8","4","4","7","8","1") = "7"
    & skf18("4","8","4","4","7","9","1") = "8"
    & skf18("4","8","4","4","7","10","1") = "9"
    & skf18("4","8","4","4","8","1","1") = "7"
    & skf18("4","8","4","4","8","2","1") = "7"
    & skf18("4","8","4","4","8","3","1") = "7"
    & skf18("4","8","4","4","8","4","1") = "7"
    & skf18("4","8","4","4","8","5","1") = "7"
    & skf18("4","8","4","4","8","6","1") = "7"
    & skf18("4","8","4","4","8","7","1") = "7"
    & skf18("4","8","4","4","8","8","1") = "7"
    & skf18("4","8","4","4","8","9","1") = "8"
    & skf18("4","8","4","4","8","10","1") = "9"
    & skf18("4","8","4","4","9","1","1") = "8"
    & skf18("4","8","4","4","9","2","1") = "8"
    & skf18("4","8","4","4","9","3","1") = "8"
    & skf18("4","8","4","4","9","4","1") = "8"
    & skf18("4","8","4","4","9","5","1") = "8"
    & skf18("4","8","4","4","9","6","1") = "8"
    & skf18("4","8","4","4","9","7","1") = "8"
    & skf18("4","8","4","4","9","8","1") = "8"
    & skf18("4","8","4","4","9","9","1") = "8"
    & skf18("4","8","4","4","9","10","1") = "9"
    & skf18("4","8","4","4","10","1","1") = "9"
    & skf18("4","8","4","4","10","2","1") = "9"
    & skf18("4","8","4","4","10","3","1") = "9"
    & skf18("4","8","4","4","10","4","1") = "9"
    & skf18("4","8","4","4","10","5","1") = "9"
    & skf18("4","8","4","4","10","6","1") = "9"
    & skf18("4","8","4","4","10","7","1") = "9"
    & skf18("4","8","4","4","10","8","1") = "9"
    & skf18("4","8","4","4","10","9","1") = "9"
    & skf18("4","8","4","4","10","10","1") = "9"
    & skf18("4","8","4","5","1","1","1") = "7"
    & skf18("4","8","4","5","1","2","1") = "7"
    & skf18("4","8","4","5","1","3","1") = "7"
    & skf18("4","8","4","5","1","4","1") = "7"
    & skf18("4","8","4","5","1","5","1") = "7"
    & skf18("4","8","4","5","1","6","1") = "7"
    & skf18("4","8","4","5","1","7","1") = "7"
    & skf18("4","8","4","5","1","8","1") = "7"
    & skf18("4","8","4","5","1","9","1") = "8"
    & skf18("4","8","4","5","1","10","1") = "9"
    & skf18("4","8","4","5","2","1","1") = "7"
    & skf18("4","8","4","5","2","2","1") = "7"
    & skf18("4","8","4","5","2","3","1") = "7"
    & skf18("4","8","4","5","2","4","1") = "7"
    & skf18("4","8","4","5","2","5","1") = "7"
    & skf18("4","8","4","5","2","6","1") = "7"
    & skf18("4","8","4","5","2","7","1") = "7"
    & skf18("4","8","4","5","2","8","1") = "7"
    & skf18("4","8","4","5","2","9","1") = "8"
    & skf18("4","8","4","5","2","10","1") = "9"
    & skf18("4","8","4","5","3","1","1") = "7"
    & skf18("4","8","4","5","3","2","1") = "7"
    & skf18("4","8","4","5","3","3","1") = "7"
    & skf18("4","8","4","5","3","4","1") = "7"
    & skf18("4","8","4","5","3","5","1") = "7"
    & skf18("4","8","4","5","3","6","1") = "7"
    & skf18("4","8","4","5","3","7","1") = "7"
    & skf18("4","8","4","5","3","8","1") = "7"
    & skf18("4","8","4","5","3","9","1") = "8"
    & skf18("4","8","4","5","3","10","1") = "9"
    & skf18("4","8","4","5","4","1","1") = "7"
    & skf18("4","8","4","5","4","2","1") = "7"
    & skf18("4","8","4","5","4","3","1") = "7"
    & skf18("4","8","4","5","4","4","1") = "7"
    & skf18("4","8","4","5","4","5","1") = "7"
    & skf18("4","8","4","5","4","6","1") = "7"
    & skf18("4","8","4","5","4","7","1") = "7"
    & skf18("4","8","4","5","4","8","1") = "7"
    & skf18("4","8","4","5","4","9","1") = "8"
    & skf18("4","8","4","5","4","10","1") = "9"
    & skf18("4","8","4","5","5","1","1") = "7"
    & skf18("4","8","4","5","5","2","1") = "7"
    & skf18("4","8","4","5","5","3","1") = "7"
    & skf18("4","8","4","5","5","4","1") = "7"
    & skf18("4","8","4","5","5","5","1") = "7"
    & skf18("4","8","4","5","5","6","1") = "7"
    & skf18("4","8","4","5","5","7","1") = "7"
    & skf18("4","8","4","5","5","8","1") = "7"
    & skf18("4","8","4","5","5","9","1") = "8"
    & skf18("4","8","4","5","5","10","1") = "9"
    & skf18("4","8","4","5","6","1","1") = "7"
    & skf18("4","8","4","5","6","2","1") = "7"
    & skf18("4","8","4","5","6","3","1") = "7"
    & skf18("4","8","4","5","6","4","1") = "7"
    & skf18("4","8","4","5","6","5","1") = "7"
    & skf18("4","8","4","5","6","6","1") = "7"
    & skf18("4","8","4","5","6","7","1") = "7"
    & skf18("4","8","4","5","6","8","1") = "7"
    & skf18("4","8","4","5","6","9","1") = "8"
    & skf18("4","8","4","5","6","10","1") = "9"
    & skf18("4","8","4","5","7","1","1") = "7"
    & skf18("4","8","4","5","7","2","1") = "7"
    & skf18("4","8","4","5","7","3","1") = "7"
    & skf18("4","8","4","5","7","4","1") = "7"
    & skf18("4","8","4","5","7","5","1") = "7"
    & skf18("4","8","4","5","7","6","1") = "7"
    & skf18("4","8","4","5","7","7","1") = "7"
    & skf18("4","8","4","5","7","8","1") = "7"
    & skf18("4","8","4","5","7","9","1") = "8"
    & skf18("4","8","4","5","7","10","1") = "9"
    & skf18("4","8","4","5","8","1","1") = "7"
    & skf18("4","8","4","5","8","2","1") = "7"
    & skf18("4","8","4","5","8","3","1") = "7"
    & skf18("4","8","4","5","8","4","1") = "7"
    & skf18("4","8","4","5","8","5","1") = "7"
    & skf18("4","8","4","5","8","6","1") = "7"
    & skf18("4","8","4","5","8","7","1") = "7"
    & skf18("4","8","4","5","8","8","1") = "7"
    & skf18("4","8","4","5","8","9","1") = "8"
    & skf18("4","8","4","5","8","10","1") = "9"
    & skf18("4","8","4","5","9","1","1") = "8"
    & skf18("4","8","4","5","9","2","1") = "8"
    & skf18("4","8","4","5","9","3","1") = "8"
    & skf18("4","8","4","5","9","4","1") = "8"
    & skf18("4","8","4","5","9","5","1") = "8"
    & skf18("4","8","4","5","9","6","1") = "8"
    & skf18("4","8","4","5","9","7","1") = "8"
    & skf18("4","8","4","5","9","8","1") = "8"
    & skf18("4","8","4","5","9","9","1") = "8"
    & skf18("4","8","4","5","9","10","1") = "9"
    & skf18("4","8","4","5","10","1","1") = "9"
    & skf18("4","8","4","5","10","2","1") = "9"
    & skf18("4","8","4","5","10","3","1") = "9"
    & skf18("4","8","4","5","10","4","1") = "9"
    & skf18("4","8","4","5","10","5","1") = "9"
    & skf18("4","8","4","5","10","6","1") = "9"
    & skf18("4","8","4","5","10","7","1") = "9"
    & skf18("4","8","4","5","10","8","1") = "9"
    & skf18("4","8","4","5","10","9","1") = "9"
    & skf18("4","8","4","5","10","10","1") = "9"
    & skf18("4","8","4","6","1","1","1") = "7"
    & skf18("4","8","4","6","1","2","1") = "7"
    & skf18("4","8","4","6","1","3","1") = "7"
    & skf18("4","8","4","6","1","4","1") = "7"
    & skf18("4","8","4","6","1","5","1") = "7"
    & skf18("4","8","4","6","1","6","1") = "7"
    & skf18("4","8","4","6","1","7","1") = "7"
    & skf18("4","8","4","6","1","8","1") = "7"
    & skf18("4","8","4","6","1","9","1") = "8"
    & skf18("4","8","4","6","1","10","1") = "9"
    & skf18("4","8","4","6","2","1","1") = "7"
    & skf18("4","8","4","6","2","2","1") = "7"
    & skf18("4","8","4","6","2","3","1") = "7"
    & skf18("4","8","4","6","2","4","1") = "7"
    & skf18("4","8","4","6","2","5","1") = "7"
    & skf18("4","8","4","6","2","6","1") = "7"
    & skf18("4","8","4","6","2","7","1") = "7"
    & skf18("4","8","4","6","2","8","1") = "7"
    & skf18("4","8","4","6","2","9","1") = "8"
    & skf18("4","8","4","6","2","10","1") = "9"
    & skf18("4","8","4","6","3","1","1") = "7"
    & skf18("4","8","4","6","3","2","1") = "7"
    & skf18("4","8","4","6","3","3","1") = "7"
    & skf18("4","8","4","6","3","4","1") = "7"
    & skf18("4","8","4","6","3","5","1") = "7"
    & skf18("4","8","4","6","3","6","1") = "7"
    & skf18("4","8","4","6","3","7","1") = "7"
    & skf18("4","8","4","6","3","8","1") = "7"
    & skf18("4","8","4","6","3","9","1") = "8"
    & skf18("4","8","4","6","3","10","1") = "9"
    & skf18("4","8","4","6","4","1","1") = "7"
    & skf18("4","8","4","6","4","2","1") = "7"
    & skf18("4","8","4","6","4","3","1") = "7"
    & skf18("4","8","4","6","4","4","1") = "7"
    & skf18("4","8","4","6","4","5","1") = "7"
    & skf18("4","8","4","6","4","6","1") = "7"
    & skf18("4","8","4","6","4","7","1") = "7"
    & skf18("4","8","4","6","4","8","1") = "7"
    & skf18("4","8","4","6","4","9","1") = "8"
    & skf18("4","8","4","6","4","10","1") = "9"
    & skf18("4","8","4","6","5","1","1") = "7"
    & skf18("4","8","4","6","5","2","1") = "7"
    & skf18("4","8","4","6","5","3","1") = "7"
    & skf18("4","8","4","6","5","4","1") = "7"
    & skf18("4","8","4","6","5","5","1") = "7"
    & skf18("4","8","4","6","5","6","1") = "7"
    & skf18("4","8","4","6","5","7","1") = "7"
    & skf18("4","8","4","6","5","8","1") = "7"
    & skf18("4","8","4","6","5","9","1") = "8"
    & skf18("4","8","4","6","5","10","1") = "9"
    & skf18("4","8","4","6","6","1","1") = "7"
    & skf18("4","8","4","6","6","2","1") = "7"
    & skf18("4","8","4","6","6","3","1") = "7"
    & skf18("4","8","4","6","6","4","1") = "7"
    & skf18("4","8","4","6","6","5","1") = "7"
    & skf18("4","8","4","6","6","6","1") = "7"
    & skf18("4","8","4","6","6","7","1") = "7"
    & skf18("4","8","4","6","6","8","1") = "7"
    & skf18("4","8","4","6","6","9","1") = "8"
    & skf18("4","8","4","6","6","10","1") = "9"
    & skf18("4","8","4","6","7","1","1") = "7"
    & skf18("4","8","4","6","7","2","1") = "7"
    & skf18("4","8","4","6","7","3","1") = "7"
    & skf18("4","8","4","6","7","4","1") = "7"
    & skf18("4","8","4","6","7","5","1") = "7"
    & skf18("4","8","4","6","7","6","1") = "7"
    & skf18("4","8","4","6","7","7","1") = "7"
    & skf18("4","8","4","6","7","8","1") = "7"
    & skf18("4","8","4","6","7","9","1") = "8"
    & skf18("4","8","4","6","7","10","1") = "9"
    & skf18("4","8","4","6","8","1","1") = "7"
    & skf18("4","8","4","6","8","2","1") = "7"
    & skf18("4","8","4","6","8","3","1") = "7"
    & skf18("4","8","4","6","8","4","1") = "7"
    & skf18("4","8","4","6","8","5","1") = "7"
    & skf18("4","8","4","6","8","6","1") = "7"
    & skf18("4","8","4","6","8","7","1") = "7"
    & skf18("4","8","4","6","8","8","1") = "7"
    & skf18("4","8","4","6","8","9","1") = "8"
    & skf18("4","8","4","6","8","10","1") = "9"
    & skf18("4","8","4","6","9","1","1") = "8"
    & skf18("4","8","4","6","9","2","1") = "8"
    & skf18("4","8","4","6","9","3","1") = "8"
    & skf18("4","8","4","6","9","4","1") = "8"
    & skf18("4","8","4","6","9","5","1") = "8"
    & skf18("4","8","4","6","9","6","1") = "8"
    & skf18("4","8","4","6","9","7","1") = "8"
    & skf18("4","8","4","6","9","8","1") = "8"
    & skf18("4","8","4","6","9","9","1") = "8"
    & skf18("4","8","4","6","9","10","1") = "9"
    & skf18("4","8","4","6","10","1","1") = "9"
    & skf18("4","8","4","6","10","2","1") = "9"
    & skf18("4","8","4","6","10","3","1") = "9"
    & skf18("4","8","4","6","10","4","1") = "9"
    & skf18("4","8","4","6","10","5","1") = "9"
    & skf18("4","8","4","6","10","6","1") = "9"
    & skf18("4","8","4","6","10","7","1") = "9"
    & skf18("4","8","4","6","10","8","1") = "9"
    & skf18("4","8","4","6","10","9","1") = "9"
    & skf18("4","8","4","6","10","10","1") = "9"
    & skf18("4","8","4","7","1","1","1") = "7"
    & skf18("4","8","4","7","1","2","1") = "7"
    & skf18("4","8","4","7","1","3","1") = "7"
    & skf18("4","8","4","7","1","4","1") = "7"
    & skf18("4","8","4","7","1","5","1") = "7"
    & skf18("4","8","4","7","1","6","1") = "7"
    & skf18("4","8","4","7","1","7","1") = "7"
    & skf18("4","8","4","7","1","8","1") = "7"
    & skf18("4","8","4","7","1","9","1") = "8"
    & skf18("4","8","4","7","1","10","1") = "9"
    & skf18("4","8","4","7","2","1","1") = "7"
    & skf18("4","8","4","7","2","2","1") = "7"
    & skf18("4","8","4","7","2","3","1") = "7"
    & skf18("4","8","4","7","2","4","1") = "7"
    & skf18("4","8","4","7","2","5","1") = "7"
    & skf18("4","8","4","7","2","6","1") = "7"
    & skf18("4","8","4","7","2","7","1") = "7"
    & skf18("4","8","4","7","2","8","1") = "7"
    & skf18("4","8","4","7","2","9","1") = "8"
    & skf18("4","8","4","7","2","10","1") = "9"
    & skf18("4","8","4","7","3","1","1") = "7"
    & skf18("4","8","4","7","3","2","1") = "7"
    & skf18("4","8","4","7","3","3","1") = "7"
    & skf18("4","8","4","7","3","4","1") = "7"
    & skf18("4","8","4","7","3","5","1") = "7"
    & skf18("4","8","4","7","3","6","1") = "7"
    & skf18("4","8","4","7","3","7","1") = "7"
    & skf18("4","8","4","7","3","8","1") = "7"
    & skf18("4","8","4","7","3","9","1") = "8"
    & skf18("4","8","4","7","3","10","1") = "9"
    & skf18("4","8","4","7","4","1","1") = "7"
    & skf18("4","8","4","7","4","2","1") = "7"
    & skf18("4","8","4","7","4","3","1") = "7"
    & skf18("4","8","4","7","4","4","1") = "7"
    & skf18("4","8","4","7","4","5","1") = "7"
    & skf18("4","8","4","7","4","6","1") = "7"
    & skf18("4","8","4","7","4","7","1") = "7"
    & skf18("4","8","4","7","4","8","1") = "7"
    & skf18("4","8","4","7","4","9","1") = "8"
    & skf18("4","8","4","7","4","10","1") = "9"
    & skf18("4","8","4","7","5","1","1") = "7"
    & skf18("4","8","4","7","5","2","1") = "7"
    & skf18("4","8","4","7","5","3","1") = "7"
    & skf18("4","8","4","7","5","4","1") = "7"
    & skf18("4","8","4","7","5","5","1") = "7"
    & skf18("4","8","4","7","5","6","1") = "7"
    & skf18("4","8","4","7","5","7","1") = "7"
    & skf18("4","8","4","7","5","8","1") = "7"
    & skf18("4","8","4","7","5","9","1") = "8"
    & skf18("4","8","4","7","5","10","1") = "9"
    & skf18("4","8","4","7","6","1","1") = "7"
    & skf18("4","8","4","7","6","2","1") = "7"
    & skf18("4","8","4","7","6","3","1") = "7"
    & skf18("4","8","4","7","6","4","1") = "7"
    & skf18("4","8","4","7","6","5","1") = "7"
    & skf18("4","8","4","7","6","6","1") = "7"
    & skf18("4","8","4","7","6","7","1") = "7"
    & skf18("4","8","4","7","6","8","1") = "7"
    & skf18("4","8","4","7","6","9","1") = "8"
    & skf18("4","8","4","7","6","10","1") = "9"
    & skf18("4","8","4","7","7","1","1") = "7"
    & skf18("4","8","4","7","7","2","1") = "7"
    & skf18("4","8","4","7","7","3","1") = "7"
    & skf18("4","8","4","7","7","4","1") = "7"
    & skf18("4","8","4","7","7","5","1") = "7"
    & skf18("4","8","4","7","7","6","1") = "7"
    & skf18("4","8","4","7","7","7","1") = "7"
    & skf18("4","8","4","7","7","8","1") = "7"
    & skf18("4","8","4","7","7","9","1") = "8"
    & skf18("4","8","4","7","7","10","1") = "9"
    & skf18("4","8","4","7","8","1","1") = "7"
    & skf18("4","8","4","7","8","2","1") = "7"
    & skf18("4","8","4","7","8","3","1") = "7"
    & skf18("4","8","4","7","8","4","1") = "7"
    & skf18("4","8","4","7","8","5","1") = "7"
    & skf18("4","8","4","7","8","6","1") = "7"
    & skf18("4","8","4","7","8","7","1") = "7"
    & skf18("4","8","4","7","8","8","1") = "7"
    & skf18("4","8","4","7","8","9","1") = "8"
    & skf18("4","8","4","7","8","10","1") = "9"
    & skf18("4","8","4","7","9","1","1") = "8"
    & skf18("4","8","4","7","9","2","1") = "8"
    & skf18("4","8","4","7","9","3","1") = "8"
    & skf18("4","8","4","7","9","4","1") = "8"
    & skf18("4","8","4","7","9","5","1") = "8"
    & skf18("4","8","4","7","9","6","1") = "8"
    & skf18("4","8","4","7","9","7","1") = "8"
    & skf18("4","8","4","7","9","8","1") = "8"
    & skf18("4","8","4","7","9","9","1") = "8"
    & skf18("4","8","4","7","9","10","1") = "9"
    & skf18("4","8","4","7","10","1","1") = "9"
    & skf18("4","8","4","7","10","2","1") = "9"
    & skf18("4","8","4","7","10","3","1") = "9"
    & skf18("4","8","4","7","10","4","1") = "9"
    & skf18("4","8","4","7","10","5","1") = "9"
    & skf18("4","8","4","7","10","6","1") = "9"
    & skf18("4","8","4","7","10","7","1") = "9"
    & skf18("4","8","4","7","10","8","1") = "9"
    & skf18("4","8","4","7","10","9","1") = "9"
    & skf18("4","8","4","7","10","10","1") = "9"
    & skf18("4","8","4","8","1","1","1") = "7"
    & skf18("4","8","4","8","1","2","1") = "7"
    & skf18("4","8","4","8","1","3","1") = "7"
    & skf18("4","8","4","8","1","4","1") = "7"
    & skf18("4","8","4","8","1","5","1") = "7"
    & skf18("4","8","4","8","1","6","1") = "7"
    & skf18("4","8","4","8","1","7","1") = "7"
    & skf18("4","8","4","8","1","8","1") = "7"
    & skf18("4","8","4","8","1","9","1") = "8"
    & skf18("4","8","4","8","1","10","1") = "9"
    & skf18("4","8","4","8","2","1","1") = "7"
    & skf18("4","8","4","8","2","2","1") = "7"
    & skf18("4","8","4","8","2","3","1") = "7"
    & skf18("4","8","4","8","2","4","1") = "7"
    & skf18("4","8","4","8","2","5","1") = "7"
    & skf18("4","8","4","8","2","6","1") = "7"
    & skf18("4","8","4","8","2","7","1") = "7"
    & skf18("4","8","4","8","2","8","1") = "7"
    & skf18("4","8","4","8","2","9","1") = "8"
    & skf18("4","8","4","8","2","10","1") = "9"
    & skf18("4","8","4","8","3","1","1") = "7"
    & skf18("4","8","4","8","3","2","1") = "7"
    & skf18("4","8","4","8","3","3","1") = "7"
    & skf18("4","8","4","8","3","4","1") = "7"
    & skf18("4","8","4","8","3","5","1") = "7"
    & skf18("4","8","4","8","3","6","1") = "7"
    & skf18("4","8","4","8","3","7","1") = "7"
    & skf18("4","8","4","8","3","8","1") = "7"
    & skf18("4","8","4","8","3","9","1") = "8"
    & skf18("4","8","4","8","3","10","1") = "9"
    & skf18("4","8","4","8","4","1","1") = "7"
    & skf18("4","8","4","8","4","2","1") = "7"
    & skf18("4","8","4","8","4","3","1") = "7"
    & skf18("4","8","4","8","4","4","1") = "7"
    & skf18("4","8","4","8","4","5","1") = "7"
    & skf18("4","8","4","8","4","6","1") = "7"
    & skf18("4","8","4","8","4","7","1") = "7"
    & skf18("4","8","4","8","4","8","1") = "7"
    & skf18("4","8","4","8","4","9","1") = "8"
    & skf18("4","8","4","8","4","10","1") = "9"
    & skf18("4","8","4","8","5","1","1") = "7"
    & skf18("4","8","4","8","5","2","1") = "7"
    & skf18("4","8","4","8","5","3","1") = "7"
    & skf18("4","8","4","8","5","4","1") = "7"
    & skf18("4","8","4","8","5","5","1") = "7"
    & skf18("4","8","4","8","5","6","1") = "7"
    & skf18("4","8","4","8","5","7","1") = "7"
    & skf18("4","8","4","8","5","8","1") = "7"
    & skf18("4","8","4","8","5","9","1") = "8"
    & skf18("4","8","4","8","5","10","1") = "9"
    & skf18("4","8","4","8","6","1","1") = "7"
    & skf18("4","8","4","8","6","2","1") = "7"
    & skf18("4","8","4","8","6","3","1") = "7"
    & skf18("4","8","4","8","6","4","1") = "7"
    & skf18("4","8","4","8","6","5","1") = "7"
    & skf18("4","8","4","8","6","6","1") = "7"
    & skf18("4","8","4","8","6","7","1") = "7"
    & skf18("4","8","4","8","6","8","1") = "7"
    & skf18("4","8","4","8","6","9","1") = "8"
    & skf18("4","8","4","8","6","10","1") = "9"
    & skf18("4","8","4","8","7","1","1") = "7"
    & skf18("4","8","4","8","7","2","1") = "7"
    & skf18("4","8","4","8","7","3","1") = "7"
    & skf18("4","8","4","8","7","4","1") = "7"
    & skf18("4","8","4","8","7","5","1") = "7"
    & skf18("4","8","4","8","7","6","1") = "7"
    & skf18("4","8","4","8","7","7","1") = "7"
    & skf18("4","8","4","8","7","8","1") = "7"
    & skf18("4","8","4","8","7","9","1") = "8"
    & skf18("4","8","4","8","7","10","1") = "9"
    & skf18("4","8","4","8","8","1","1") = "7"
    & skf18("4","8","4","8","8","2","1") = "7"
    & skf18("4","8","4","8","8","3","1") = "7"
    & skf18("4","8","4","8","8","4","1") = "7"
    & skf18("4","8","4","8","8","5","1") = "7"
    & skf18("4","8","4","8","8","6","1") = "7"
    & skf18("4","8","4","8","8","7","1") = "7"
    & skf18("4","8","4","8","8","8","1") = "7"
    & skf18("4","8","4","8","8","9","1") = "8"
    & skf18("4","8","4","8","8","10","1") = "9"
    & skf18("4","8","4","8","9","1","1") = "8"
    & skf18("4","8","4","8","9","2","1") = "8"
    & skf18("4","8","4","8","9","3","1") = "8"
    & skf18("4","8","4","8","9","4","1") = "8"
    & skf18("4","8","4","8","9","5","1") = "8"
    & skf18("4","8","4","8","9","6","1") = "8"
    & skf18("4","8","4","8","9","7","1") = "8"
    & skf18("4","8","4","8","9","8","1") = "8"
    & skf18("4","8","4","8","9","9","1") = "8"
    & skf18("4","8","4","8","9","10","1") = "9"
    & skf18("4","8","4","8","10","1","1") = "9"
    & skf18("4","8","4","8","10","2","1") = "9"
    & skf18("4","8","4","8","10","3","1") = "9"
    & skf18("4","8","4","8","10","4","1") = "9"
    & skf18("4","8","4","8","10","5","1") = "9"
    & skf18("4","8","4","8","10","6","1") = "9"
    & skf18("4","8","4","8","10","7","1") = "9"
    & skf18("4","8","4","8","10","8","1") = "9"
    & skf18("4","8","4","8","10","9","1") = "9"
    & skf18("4","8","4","8","10","10","1") = "9"
    & skf18("4","8","4","9","1","1","1") = "8"
    & skf18("4","8","4","9","1","2","1") = "8"
    & skf18("4","8","4","9","1","3","1") = "8"
    & skf18("4","8","4","9","1","4","1") = "8"
    & skf18("4","8","4","9","1","5","1") = "8"
    & skf18("4","8","4","9","1","6","1") = "8"
    & skf18("4","8","4","9","1","7","1") = "8"
    & skf18("4","8","4","9","1","8","1") = "8"
    & skf18("4","8","4","9","1","9","1") = "8"
    & skf18("4","8","4","9","1","10","1") = "9"
    & skf18("4","8","4","9","2","1","1") = "8"
    & skf18("4","8","4","9","2","2","1") = "8"
    & skf18("4","8","4","9","2","3","1") = "8"
    & skf18("4","8","4","9","2","4","1") = "8"
    & skf18("4","8","4","9","2","5","1") = "8"
    & skf18("4","8","4","9","2","6","1") = "8"
    & skf18("4","8","4","9","2","7","1") = "8"
    & skf18("4","8","4","9","2","8","1") = "8"
    & skf18("4","8","4","9","2","9","1") = "8"
    & skf18("4","8","4","9","2","10","1") = "9"
    & skf18("4","8","4","9","3","1","1") = "8"
    & skf18("4","8","4","9","3","2","1") = "8"
    & skf18("4","8","4","9","3","3","1") = "8"
    & skf18("4","8","4","9","3","4","1") = "8"
    & skf18("4","8","4","9","3","5","1") = "8"
    & skf18("4","8","4","9","3","6","1") = "8"
    & skf18("4","8","4","9","3","7","1") = "8"
    & skf18("4","8","4","9","3","8","1") = "8"
    & skf18("4","8","4","9","3","9","1") = "8"
    & skf18("4","8","4","9","3","10","1") = "9"
    & skf18("4","8","4","9","4","1","1") = "8"
    & skf18("4","8","4","9","4","2","1") = "8"
    & skf18("4","8","4","9","4","3","1") = "8"
    & skf18("4","8","4","9","4","4","1") = "8"
    & skf18("4","8","4","9","4","5","1") = "8"
    & skf18("4","8","4","9","4","6","1") = "8"
    & skf18("4","8","4","9","4","7","1") = "8"
    & skf18("4","8","4","9","4","8","1") = "8"
    & skf18("4","8","4","9","4","9","1") = "8"
    & skf18("4","8","4","9","4","10","1") = "9"
    & skf18("4","8","4","9","5","1","1") = "8"
    & skf18("4","8","4","9","5","2","1") = "8"
    & skf18("4","8","4","9","5","3","1") = "8"
    & skf18("4","8","4","9","5","4","1") = "8"
    & skf18("4","8","4","9","5","5","1") = "8"
    & skf18("4","8","4","9","5","6","1") = "8"
    & skf18("4","8","4","9","5","7","1") = "8"
    & skf18("4","8","4","9","5","8","1") = "8"
    & skf18("4","8","4","9","5","9","1") = "8"
    & skf18("4","8","4","9","5","10","1") = "9"
    & skf18("4","8","4","9","6","1","1") = "8"
    & skf18("4","8","4","9","6","2","1") = "8"
    & skf18("4","8","4","9","6","3","1") = "8"
    & skf18("4","8","4","9","6","4","1") = "8"
    & skf18("4","8","4","9","6","5","1") = "8"
    & skf18("4","8","4","9","6","6","1") = "8"
    & skf18("4","8","4","9","6","7","1") = "8"
    & skf18("4","8","4","9","6","8","1") = "8"
    & skf18("4","8","4","9","6","9","1") = "8"
    & skf18("4","8","4","9","6","10","1") = "9"
    & skf18("4","8","4","9","7","1","1") = "8"
    & skf18("4","8","4","9","7","2","1") = "8"
    & skf18("4","8","4","9","7","3","1") = "8"
    & skf18("4","8","4","9","7","4","1") = "8"
    & skf18("4","8","4","9","7","5","1") = "8"
    & skf18("4","8","4","9","7","6","1") = "8"
    & skf18("4","8","4","9","7","7","1") = "8"
    & skf18("4","8","4","9","7","8","1") = "8"
    & skf18("4","8","4","9","7","9","1") = "8"
    & skf18("4","8","4","9","7","10","1") = "9"
    & skf18("4","8","4","9","8","1","1") = "8"
    & skf18("4","8","4","9","8","2","1") = "8"
    & skf18("4","8","4","9","8","3","1") = "8"
    & skf18("4","8","4","9","8","4","1") = "8"
    & skf18("4","8","4","9","8","5","1") = "8"
    & skf18("4","8","4","9","8","6","1") = "8"
    & skf18("4","8","4","9","8","7","1") = "8"
    & skf18("4","8","4","9","8","8","1") = "8"
    & skf18("4","8","4","9","8","9","1") = "8"
    & skf18("4","8","4","9","8","10","1") = "9"
    & skf18("4","8","4","9","9","1","1") = "8"
    & skf18("4","8","4","9","9","2","1") = "8"
    & skf18("4","8","4","9","9","3","1") = "8"
    & skf18("4","8","4","9","9","4","1") = "8"
    & skf18("4","8","4","9","9","5","1") = "8"
    & skf18("4","8","4","9","9","6","1") = "8"
    & skf18("4","8","4","9","9","7","1") = "8"
    & skf18("4","8","4","9","9","8","1") = "8"
    & skf18("4","8","4","9","9","9","1") = "8"
    & skf18("4","8","4","9","9","10","1") = "9"
    & skf18("4","8","4","9","10","1","1") = "9"
    & skf18("4","8","4","9","10","2","1") = "9"
    & skf18("4","8","4","9","10","3","1") = "9"
    & skf18("4","8","4","9","10","4","1") = "9"
    & skf18("4","8","4","9","10","5","1") = "9"
    & skf18("4","8","4","9","10","6","1") = "9"
    & skf18("4","8","4","9","10","7","1") = "9"
    & skf18("4","8","4","9","10","8","1") = "9"
    & skf18("4","8","4","9","10","9","1") = "9"
    & skf18("4","8","4","9","10","10","1") = "9"
    & skf18("4","8","4","10","1","1","1") = "9"
    & skf18("4","8","4","10","1","2","1") = "9"
    & skf18("4","8","4","10","1","3","1") = "9"
    & skf18("4","8","4","10","1","4","1") = "9"
    & skf18("4","8","4","10","1","5","1") = "9"
    & skf18("4","8","4","10","1","6","1") = "9"
    & skf18("4","8","4","10","1","7","1") = "9"
    & skf18("4","8","4","10","1","8","1") = "9"
    & skf18("4","8","4","10","1","9","1") = "9"
    & skf18("4","8","4","10","1","10","1") = "9"
    & skf18("4","8","4","10","2","1","1") = "9"
    & skf18("4","8","4","10","2","2","1") = "9"
    & skf18("4","8","4","10","2","3","1") = "9"
    & skf18("4","8","4","10","2","4","1") = "9"
    & skf18("4","8","4","10","2","5","1") = "9"
    & skf18("4","8","4","10","2","6","1") = "9"
    & skf18("4","8","4","10","2","7","1") = "9"
    & skf18("4","8","4","10","2","8","1") = "9"
    & skf18("4","8","4","10","2","9","1") = "9"
    & skf18("4","8","4","10","2","10","1") = "9"
    & skf18("4","8","4","10","3","1","1") = "9"
    & skf18("4","8","4","10","3","2","1") = "9"
    & skf18("4","8","4","10","3","3","1") = "9"
    & skf18("4","8","4","10","3","4","1") = "9"
    & skf18("4","8","4","10","3","5","1") = "9"
    & skf18("4","8","4","10","3","6","1") = "9"
    & skf18("4","8","4","10","3","7","1") = "9"
    & skf18("4","8","4","10","3","8","1") = "9"
    & skf18("4","8","4","10","3","9","1") = "9"
    & skf18("4","8","4","10","3","10","1") = "9"
    & skf18("4","8","4","10","4","1","1") = "9"
    & skf18("4","8","4","10","4","2","1") = "9"
    & skf18("4","8","4","10","4","3","1") = "9"
    & skf18("4","8","4","10","4","4","1") = "9"
    & skf18("4","8","4","10","4","5","1") = "9"
    & skf18("4","8","4","10","4","6","1") = "9"
    & skf18("4","8","4","10","4","7","1") = "9"
    & skf18("4","8","4","10","4","8","1") = "9"
    & skf18("4","8","4","10","4","9","1") = "9"
    & skf18("4","8","4","10","4","10","1") = "9"
    & skf18("4","8","4","10","5","1","1") = "9"
    & skf18("4","8","4","10","5","2","1") = "9"
    & skf18("4","8","4","10","5","3","1") = "9"
    & skf18("4","8","4","10","5","4","1") = "9"
    & skf18("4","8","4","10","5","5","1") = "9"
    & skf18("4","8","4","10","5","6","1") = "9"
    & skf18("4","8","4","10","5","7","1") = "9"
    & skf18("4","8","4","10","5","8","1") = "9"
    & skf18("4","8","4","10","5","9","1") = "9"
    & skf18("4","8","4","10","5","10","1") = "9"
    & skf18("4","8","4","10","6","1","1") = "9"
    & skf18("4","8","4","10","6","2","1") = "9"
    & skf18("4","8","4","10","6","3","1") = "9"
    & skf18("4","8","4","10","6","4","1") = "9"
    & skf18("4","8","4","10","6","5","1") = "9"
    & skf18("4","8","4","10","6","6","1") = "9"
    & skf18("4","8","4","10","6","7","1") = "9"
    & skf18("4","8","4","10","6","8","1") = "9"
    & skf18("4","8","4","10","6","9","1") = "9"
    & skf18("4","8","4","10","6","10","1") = "9"
    & skf18("4","8","4","10","7","1","1") = "9"
    & skf18("4","8","4","10","7","2","1") = "9"
    & skf18("4","8","4","10","7","3","1") = "9"
    & skf18("4","8","4","10","7","4","1") = "9"
    & skf18("4","8","4","10","7","5","1") = "9"
    & skf18("4","8","4","10","7","6","1") = "9"
    & skf18("4","8","4","10","7","7","1") = "9"
    & skf18("4","8","4","10","7","8","1") = "9"
    & skf18("4","8","4","10","7","9","1") = "9"
    & skf18("4","8","4","10","7","10","1") = "9"
    & skf18("4","8","4","10","8","1","1") = "9"
    & skf18("4","8","4","10","8","2","1") = "9"
    & skf18("4","8","4","10","8","3","1") = "9"
    & skf18("4","8","4","10","8","4","1") = "9"
    & skf18("4","8","4","10","8","5","1") = "9"
    & skf18("4","8","4","10","8","6","1") = "9"
    & skf18("4","8","4","10","8","7","1") = "9"
    & skf18("4","8","4","10","8","8","1") = "9"
    & skf18("4","8","4","10","8","9","1") = "9"
    & skf18("4","8","4","10","8","10","1") = "9"
    & skf18("4","8","4","10","9","1","1") = "9"
    & skf18("4","8","4","10","9","2","1") = "9"
    & skf18("4","8","4","10","9","3","1") = "9"
    & skf18("4","8","4","10","9","4","1") = "9"
    & skf18("4","8","4","10","9","5","1") = "9"
    & skf18("4","8","4","10","9","6","1") = "9"
    & skf18("4","8","4","10","9","7","1") = "9"
    & skf18("4","8","4","10","9","8","1") = "9"
    & skf18("4","8","4","10","9","9","1") = "9"
    & skf18("4","8","4","10","9","10","1") = "9"
    & skf18("4","8","4","10","10","1","1") = "9"
    & skf18("4","8","4","10","10","2","1") = "9"
    & skf18("4","8","4","10","10","3","1") = "9"
    & skf18("4","8","4","10","10","4","1") = "9"
    & skf18("4","8","4","10","10","5","1") = "9"
    & skf18("4","8","4","10","10","6","1") = "9"
    & skf18("4","8","4","10","10","7","1") = "9"
    & skf18("4","8","4","10","10","8","1") = "9"
    & skf18("4","8","4","10","10","9","1") = "9"
    & skf18("4","8","4","10","10","10","1") = "9"
    & skf18("4","8","5","1","1","1","1") = "7"
    & skf18("4","8","5","1","1","2","1") = "7"
    & skf18("4","8","5","1","1","3","1") = "7"
    & skf18("4","8","5","1","1","4","1") = "7"
    & skf18("4","8","5","1","1","5","1") = "7"
    & skf18("4","8","5","1","1","6","1") = "7"
    & skf18("4","8","5","1","1","7","1") = "7"
    & skf18("4","8","5","1","1","8","1") = "7"
    & skf18("4","8","5","1","1","9","1") = "8"
    & skf18("4","8","5","1","1","10","1") = "9"
    & skf18("4","8","5","1","2","1","1") = "7"
    & skf18("4","8","5","1","2","2","1") = "7"
    & skf18("4","8","5","1","2","3","1") = "7"
    & skf18("4","8","5","1","2","4","1") = "7"
    & skf18("4","8","5","1","2","5","1") = "7"
    & skf18("4","8","5","1","2","6","1") = "7"
    & skf18("4","8","5","1","2","7","1") = "7"
    & skf18("4","8","5","1","2","8","1") = "7"
    & skf18("4","8","5","1","2","9","1") = "8"
    & skf18("4","8","5","1","2","10","1") = "9"
    & skf18("4","8","5","1","3","1","1") = "7"
    & skf18("4","8","5","1","3","2","1") = "7"
    & skf18("4","8","5","1","3","3","1") = "7"
    & skf18("4","8","5","1","3","4","1") = "7"
    & skf18("4","8","5","1","3","5","1") = "7"
    & skf18("4","8","5","1","3","6","1") = "7"
    & skf18("4","8","5","1","3","7","1") = "7"
    & skf18("4","8","5","1","3","8","1") = "7"
    & skf18("4","8","5","1","3","9","1") = "8"
    & skf18("4","8","5","1","3","10","1") = "9"
    & skf18("4","8","5","1","4","1","1") = "7"
    & skf18("4","8","5","1","4","2","1") = "7"
    & skf18("4","8","5","1","4","3","1") = "7"
    & skf18("4","8","5","1","4","4","1") = "7"
    & skf18("4","8","5","1","4","5","1") = "7"
    & skf18("4","8","5","1","4","6","1") = "7"
    & skf18("4","8","5","1","4","7","1") = "7"
    & skf18("4","8","5","1","4","8","1") = "7"
    & skf18("4","8","5","1","4","9","1") = "8"
    & skf18("4","8","5","1","4","10","1") = "9"
    & skf18("4","8","5","1","5","1","1") = "7"
    & skf18("4","8","5","1","5","2","1") = "7"
    & skf18("4","8","5","1","5","3","1") = "7"
    & skf18("4","8","5","1","5","4","1") = "7"
    & skf18("4","8","5","1","5","5","1") = "7"
    & skf18("4","8","5","1","5","6","1") = "7"
    & skf18("4","8","5","1","5","7","1") = "7"
    & skf18("4","8","5","1","5","8","1") = "7"
    & skf18("4","8","5","1","5","9","1") = "8"
    & skf18("4","8","5","1","5","10","1") = "9"
    & skf18("4","8","5","1","6","1","1") = "7"
    & skf18("4","8","5","1","6","2","1") = "7"
    & skf18("4","8","5","1","6","3","1") = "7"
    & skf18("4","8","5","1","6","4","1") = "7"
    & skf18("4","8","5","1","6","5","1") = "7"
    & skf18("4","8","5","1","6","6","1") = "7"
    & skf18("4","8","5","1","6","7","1") = "7"
    & skf18("4","8","5","1","6","8","1") = "7"
    & skf18("4","8","5","1","6","9","1") = "8"
    & skf18("4","8","5","1","6","10","1") = "9"
    & skf18("4","8","5","1","7","1","1") = "7"
    & skf18("4","8","5","1","7","2","1") = "7"
    & skf18("4","8","5","1","7","3","1") = "7"
    & skf18("4","8","5","1","7","4","1") = "7"
    & skf18("4","8","5","1","7","5","1") = "7"
    & skf18("4","8","5","1","7","6","1") = "7"
    & skf18("4","8","5","1","7","7","1") = "7"
    & skf18("4","8","5","1","7","8","1") = "7"
    & skf18("4","8","5","1","7","9","1") = "8"
    & skf18("4","8","5","1","7","10","1") = "9"
    & skf18("4","8","5","1","8","1","1") = "7"
    & skf18("4","8","5","1","8","2","1") = "7"
    & skf18("4","8","5","1","8","3","1") = "7"
    & skf18("4","8","5","1","8","4","1") = "7"
    & skf18("4","8","5","1","8","5","1") = "7"
    & skf18("4","8","5","1","8","6","1") = "7"
    & skf18("4","8","5","1","8","7","1") = "7"
    & skf18("4","8","5","1","8","8","1") = "7"
    & skf18("4","8","5","1","8","9","1") = "8"
    & skf18("4","8","5","1","8","10","1") = "9"
    & skf18("4","8","5","1","9","1","1") = "8"
    & skf18("4","8","5","1","9","2","1") = "8"
    & skf18("4","8","5","1","9","3","1") = "8"
    & skf18("4","8","5","1","9","4","1") = "8"
    & skf18("4","8","5","1","9","5","1") = "8"
    & skf18("4","8","5","1","9","6","1") = "8"
    & skf18("4","8","5","1","9","7","1") = "8"
    & skf18("4","8","5","1","9","8","1") = "8"
    & skf18("4","8","5","1","9","9","1") = "8"
    & skf18("4","8","5","1","9","10","1") = "9"
    & skf18("4","8","5","1","10","1","1") = "9"
    & skf18("4","8","5","1","10","2","1") = "9"
    & skf18("4","8","5","1","10","3","1") = "9"
    & skf18("4","8","5","1","10","4","1") = "9"
    & skf18("4","8","5","1","10","5","1") = "9"
    & skf18("4","8","5","1","10","6","1") = "9"
    & skf18("4","8","5","1","10","7","1") = "9"
    & skf18("4","8","5","1","10","8","1") = "9"
    & skf18("4","8","5","1","10","9","1") = "9"
    & skf18("4","8","5","1","10","10","1") = "9"
    & skf18("4","8","5","2","1","1","1") = "7"
    & skf18("4","8","5","2","1","2","1") = "7"
    & skf18("4","8","5","2","1","3","1") = "7"
    & skf18("4","8","5","2","1","4","1") = "7"
    & skf18("4","8","5","2","1","5","1") = "7"
    & skf18("4","8","5","2","1","6","1") = "7"
    & skf18("4","8","5","2","1","7","1") = "7"
    & skf18("4","8","5","2","1","8","1") = "7"
    & skf18("4","8","5","2","1","9","1") = "8"
    & skf18("4","8","5","2","1","10","1") = "9"
    & skf18("4","8","5","2","2","1","1") = "7"
    & skf18("4","8","5","2","2","2","1") = "7"
    & skf18("4","8","5","2","2","3","1") = "7"
    & skf18("4","8","5","2","2","4","1") = "7"
    & skf18("4","8","5","2","2","5","1") = "7"
    & skf18("4","8","5","2","2","6","1") = "7"
    & skf18("4","8","5","2","2","7","1") = "7"
    & skf18("4","8","5","2","2","8","1") = "7"
    & skf18("4","8","5","2","2","9","1") = "8"
    & skf18("4","8","5","2","2","10","1") = "9"
    & skf18("4","8","5","2","3","1","1") = "7"
    & skf18("4","8","5","2","3","2","1") = "7"
    & skf18("4","8","5","2","3","3","1") = "7"
    & skf18("4","8","5","2","3","4","1") = "7"
    & skf18("4","8","5","2","3","5","1") = "7"
    & skf18("4","8","5","2","3","6","1") = "7"
    & skf18("4","8","5","2","3","7","1") = "7"
    & skf18("4","8","5","2","3","8","1") = "7"
    & skf18("4","8","5","2","3","9","1") = "8"
    & skf18("4","8","5","2","3","10","1") = "9"
    & skf18("4","8","5","2","4","1","1") = "7"
    & skf18("4","8","5","2","4","2","1") = "7"
    & skf18("4","8","5","2","4","3","1") = "7"
    & skf18("4","8","5","2","4","4","1") = "7"
    & skf18("4","8","5","2","4","5","1") = "7"
    & skf18("4","8","5","2","4","6","1") = "7"
    & skf18("4","8","5","2","4","7","1") = "7"
    & skf18("4","8","5","2","4","8","1") = "7"
    & skf18("4","8","5","2","4","9","1") = "8"
    & skf18("4","8","5","2","4","10","1") = "9"
    & skf18("4","8","5","2","5","1","1") = "7"
    & skf18("4","8","5","2","5","2","1") = "7"
    & skf18("4","8","5","2","5","3","1") = "7"
    & skf18("4","8","5","2","5","4","1") = "7"
    & skf18("4","8","5","2","5","5","1") = "7"
    & skf18("4","8","5","2","5","6","1") = "7"
    & skf18("4","8","5","2","5","7","1") = "7"
    & skf18("4","8","5","2","5","8","1") = "7"
    & skf18("4","8","5","2","5","9","1") = "8"
    & skf18("4","8","5","2","5","10","1") = "9"
    & skf18("4","8","5","2","6","1","1") = "7"
    & skf18("4","8","5","2","6","2","1") = "7"
    & skf18("4","8","5","2","6","3","1") = "7"
    & skf18("4","8","5","2","6","4","1") = "7"
    & skf18("4","8","5","2","6","5","1") = "7"
    & skf18("4","8","5","2","6","6","1") = "7"
    & skf18("4","8","5","2","6","7","1") = "7"
    & skf18("4","8","5","2","6","8","1") = "7"
    & skf18("4","8","5","2","6","9","1") = "8"
    & skf18("4","8","5","2","6","10","1") = "9"
    & skf18("4","8","5","2","7","1","1") = "7"
    & skf18("4","8","5","2","7","2","1") = "7"
    & skf18("4","8","5","2","7","3","1") = "7"
    & skf18("4","8","5","2","7","4","1") = "7"
    & skf18("4","8","5","2","7","5","1") = "7"
    & skf18("4","8","5","2","7","6","1") = "7"
    & skf18("4","8","5","2","7","7","1") = "7"
    & skf18("4","8","5","2","7","8","1") = "7"
    & skf18("4","8","5","2","7","9","1") = "8"
    & skf18("4","8","5","2","7","10","1") = "9"
    & skf18("4","8","5","2","8","1","1") = "7"
    & skf18("4","8","5","2","8","2","1") = "7"
    & skf18("4","8","5","2","8","3","1") = "7"
    & skf18("4","8","5","2","8","4","1") = "7"
    & skf18("4","8","5","2","8","5","1") = "7"
    & skf18("4","8","5","2","8","6","1") = "7"
    & skf18("4","8","5","2","8","7","1") = "7"
    & skf18("4","8","5","2","8","8","1") = "7"
    & skf18("4","8","5","2","8","9","1") = "8"
    & skf18("4","8","5","2","8","10","1") = "9"
    & skf18("4","8","5","2","9","1","1") = "8"
    & skf18("4","8","5","2","9","2","1") = "8"
    & skf18("4","8","5","2","9","3","1") = "8"
    & skf18("4","8","5","2","9","4","1") = "8"
    & skf18("4","8","5","2","9","5","1") = "8"
    & skf18("4","8","5","2","9","6","1") = "8"
    & skf18("4","8","5","2","9","7","1") = "8"
    & skf18("4","8","5","2","9","8","1") = "8"
    & skf18("4","8","5","2","9","9","1") = "8"
    & skf18("4","8","5","2","9","10","1") = "9"
    & skf18("4","8","5","2","10","1","1") = "9"
    & skf18("4","8","5","2","10","2","1") = "9"
    & skf18("4","8","5","2","10","3","1") = "9"
    & skf18("4","8","5","2","10","4","1") = "9"
    & skf18("4","8","5","2","10","5","1") = "9"
    & skf18("4","8","5","2","10","6","1") = "9"
    & skf18("4","8","5","2","10","7","1") = "9"
    & skf18("4","8","5","2","10","8","1") = "9"
    & skf18("4","8","5","2","10","9","1") = "9"
    & skf18("4","8","5","2","10","10","1") = "9"
    & skf18("4","8","5","3","1","1","1") = "7"
    & skf18("4","8","5","3","1","2","1") = "7"
    & skf18("4","8","5","3","1","3","1") = "7"
    & skf18("4","8","5","3","1","4","1") = "7"
    & skf18("4","8","5","3","1","5","1") = "7"
    & skf18("4","8","5","3","1","6","1") = "7"
    & skf18("4","8","5","3","1","7","1") = "7"
    & skf18("4","8","5","3","1","8","1") = "7"
    & skf18("4","8","5","3","1","9","1") = "8"
    & skf18("4","8","5","3","1","10","1") = "9"
    & skf18("4","8","5","3","2","1","1") = "7"
    & skf18("4","8","5","3","2","2","1") = "7"
    & skf18("4","8","5","3","2","3","1") = "7"
    & skf18("4","8","5","3","2","4","1") = "7"
    & skf18("4","8","5","3","2","5","1") = "7"
    & skf18("4","8","5","3","2","6","1") = "7"
    & skf18("4","8","5","3","2","7","1") = "7"
    & skf18("4","8","5","3","2","8","1") = "7"
    & skf18("4","8","5","3","2","9","1") = "8"
    & skf18("4","8","5","3","2","10","1") = "9"
    & skf18("4","8","5","3","3","1","1") = "7"
    & skf18("4","8","5","3","3","2","1") = "7"
    & skf18("4","8","5","3","3","3","1") = "7"
    & skf18("4","8","5","3","3","4","1") = "7"
    & skf18("4","8","5","3","3","5","1") = "7"
    & skf18("4","8","5","3","3","6","1") = "7"
    & skf18("4","8","5","3","3","7","1") = "7"
    & skf18("4","8","5","3","3","8","1") = "7"
    & skf18("4","8","5","3","3","9","1") = "8"
    & skf18("4","8","5","3","3","10","1") = "9"
    & skf18("4","8","5","3","4","1","1") = "7"
    & skf18("4","8","5","3","4","2","1") = "7"
    & skf18("4","8","5","3","4","3","1") = "7"
    & skf18("4","8","5","3","4","4","1") = "7"
    & skf18("4","8","5","3","4","5","1") = "7"
    & skf18("4","8","5","3","4","6","1") = "7"
    & skf18("4","8","5","3","4","7","1") = "7"
    & skf18("4","8","5","3","4","8","1") = "7"
    & skf18("4","8","5","3","4","9","1") = "8"
    & skf18("4","8","5","3","4","10","1") = "9"
    & skf18("4","8","5","3","5","1","1") = "7"
    & skf18("4","8","5","3","5","2","1") = "7"
    & skf18("4","8","5","3","5","3","1") = "7"
    & skf18("4","8","5","3","5","4","1") = "7"
    & skf18("4","8","5","3","5","5","1") = "7"
    & skf18("4","8","5","3","5","6","1") = "7"
    & skf18("4","8","5","3","5","7","1") = "7"
    & skf18("4","8","5","3","5","8","1") = "7"
    & skf18("4","8","5","3","5","9","1") = "8"
    & skf18("4","8","5","3","5","10","1") = "9"
    & skf18("4","8","5","3","6","1","1") = "7"
    & skf18("4","8","5","3","6","2","1") = "7"
    & skf18("4","8","5","3","6","3","1") = "7"
    & skf18("4","8","5","3","6","4","1") = "7"
    & skf18("4","8","5","3","6","5","1") = "7"
    & skf18("4","8","5","3","6","6","1") = "7"
    & skf18("4","8","5","3","6","7","1") = "7"
    & skf18("4","8","5","3","6","8","1") = "7"
    & skf18("4","8","5","3","6","9","1") = "8"
    & skf18("4","8","5","3","6","10","1") = "9"
    & skf18("4","8","5","3","7","1","1") = "7"
    & skf18("4","8","5","3","7","2","1") = "7"
    & skf18("4","8","5","3","7","3","1") = "7"
    & skf18("4","8","5","3","7","4","1") = "7"
    & skf18("4","8","5","3","7","5","1") = "7"
    & skf18("4","8","5","3","7","6","1") = "7"
    & skf18("4","8","5","3","7","7","1") = "7"
    & skf18("4","8","5","3","7","8","1") = "7"
    & skf18("4","8","5","3","7","9","1") = "8"
    & skf18("4","8","5","3","7","10","1") = "9"
    & skf18("4","8","5","3","8","1","1") = "7"
    & skf18("4","8","5","3","8","2","1") = "7"
    & skf18("4","8","5","3","8","3","1") = "7"
    & skf18("4","8","5","3","8","4","1") = "7"
    & skf18("4","8","5","3","8","5","1") = "7"
    & skf18("4","8","5","3","8","6","1") = "7"
    & skf18("4","8","5","3","8","7","1") = "7"
    & skf18("4","8","5","3","8","8","1") = "7"
    & skf18("4","8","5","3","8","9","1") = "8"
    & skf18("4","8","5","3","8","10","1") = "9"
    & skf18("4","8","5","3","9","1","1") = "8"
    & skf18("4","8","5","3","9","2","1") = "8"
    & skf18("4","8","5","3","9","3","1") = "8"
    & skf18("4","8","5","3","9","4","1") = "8"
    & skf18("4","8","5","3","9","5","1") = "8"
    & skf18("4","8","5","3","9","6","1") = "8"
    & skf18("4","8","5","3","9","7","1") = "8"
    & skf18("4","8","5","3","9","8","1") = "8"
    & skf18("4","8","5","3","9","9","1") = "8"
    & skf18("4","8","5","3","9","10","1") = "9"
    & skf18("4","8","5","3","10","1","1") = "9"
    & skf18("4","8","5","3","10","2","1") = "9"
    & skf18("4","8","5","3","10","3","1") = "9"
    & skf18("4","8","5","3","10","4","1") = "9"
    & skf18("4","8","5","3","10","5","1") = "9"
    & skf18("4","8","5","3","10","6","1") = "9"
    & skf18("4","8","5","3","10","7","1") = "9"
    & skf18("4","8","5","3","10","8","1") = "9"
    & skf18("4","8","5","3","10","9","1") = "9"
    & skf18("4","8","5","3","10","10","1") = "9"
    & skf18("4","8","5","4","1","1","1") = "7"
    & skf18("4","8","5","4","1","2","1") = "7"
    & skf18("4","8","5","4","1","3","1") = "7"
    & skf18("4","8","5","4","1","4","1") = "7"
    & skf18("4","8","5","4","1","5","1") = "7"
    & skf18("4","8","5","4","1","6","1") = "7"
    & skf18("4","8","5","4","1","7","1") = "7"
    & skf18("4","8","5","4","1","8","1") = "7"
    & skf18("4","8","5","4","1","9","1") = "8"
    & skf18("4","8","5","4","1","10","1") = "9"
    & skf18("4","8","5","4","2","1","1") = "7"
    & skf18("4","8","5","4","2","2","1") = "7"
    & skf18("4","8","5","4","2","3","1") = "7"
    & skf18("4","8","5","4","2","4","1") = "7"
    & skf18("4","8","5","4","2","5","1") = "7"
    & skf18("4","8","5","4","2","6","1") = "7"
    & skf18("4","8","5","4","2","7","1") = "7"
    & skf18("4","8","5","4","2","8","1") = "7"
    & skf18("4","8","5","4","2","9","1") = "8"
    & skf18("4","8","5","4","2","10","1") = "9"
    & skf18("4","8","5","4","3","1","1") = "7"
    & skf18("4","8","5","4","3","2","1") = "7"
    & skf18("4","8","5","4","3","3","1") = "7"
    & skf18("4","8","5","4","3","4","1") = "7"
    & skf18("4","8","5","4","3","5","1") = "7"
    & skf18("4","8","5","4","3","6","1") = "7"
    & skf18("4","8","5","4","3","7","1") = "7"
    & skf18("4","8","5","4","3","8","1") = "7"
    & skf18("4","8","5","4","3","9","1") = "8"
    & skf18("4","8","5","4","3","10","1") = "9"
    & skf18("4","8","5","4","4","1","1") = "7"
    & skf18("4","8","5","4","4","2","1") = "7"
    & skf18("4","8","5","4","4","3","1") = "7"
    & skf18("4","8","5","4","4","4","1") = "7"
    & skf18("4","8","5","4","4","5","1") = "7"
    & skf18("4","8","5","4","4","6","1") = "7"
    & skf18("4","8","5","4","4","7","1") = "7"
    & skf18("4","8","5","4","4","8","1") = "7"
    & skf18("4","8","5","4","4","9","1") = "8"
    & skf18("4","8","5","4","4","10","1") = "9"
    & skf18("4","8","5","4","5","1","1") = "7"
    & skf18("4","8","5","4","5","2","1") = "7"
    & skf18("4","8","5","4","5","3","1") = "7"
    & skf18("4","8","5","4","5","4","1") = "7"
    & skf18("4","8","5","4","5","5","1") = "7"
    & skf18("4","8","5","4","5","6","1") = "7"
    & skf18("4","8","5","4","5","7","1") = "7"
    & skf18("4","8","5","4","5","8","1") = "7"
    & skf18("4","8","5","4","5","9","1") = "8"
    & skf18("4","8","5","4","5","10","1") = "9"
    & skf18("4","8","5","4","6","1","1") = "7"
    & skf18("4","8","5","4","6","2","1") = "7"
    & skf18("4","8","5","4","6","3","1") = "7"
    & skf18("4","8","5","4","6","4","1") = "7"
    & skf18("4","8","5","4","6","5","1") = "7"
    & skf18("4","8","5","4","6","6","1") = "7"
    & skf18("4","8","5","4","6","7","1") = "7"
    & skf18("4","8","5","4","6","8","1") = "7"
    & skf18("4","8","5","4","6","9","1") = "8"
    & skf18("4","8","5","4","6","10","1") = "9"
    & skf18("4","8","5","4","7","1","1") = "7"
    & skf18("4","8","5","4","7","2","1") = "7"
    & skf18("4","8","5","4","7","3","1") = "7"
    & skf18("4","8","5","4","7","4","1") = "7"
    & skf18("4","8","5","4","7","5","1") = "7"
    & skf18("4","8","5","4","7","6","1") = "7"
    & skf18("4","8","5","4","7","7","1") = "7"
    & skf18("4","8","5","4","7","8","1") = "7"
    & skf18("4","8","5","4","7","9","1") = "8"
    & skf18("4","8","5","4","7","10","1") = "9"
    & skf18("4","8","5","4","8","1","1") = "7"
    & skf18("4","8","5","4","8","2","1") = "7"
    & skf18("4","8","5","4","8","3","1") = "7"
    & skf18("4","8","5","4","8","4","1") = "7"
    & skf18("4","8","5","4","8","5","1") = "7"
    & skf18("4","8","5","4","8","6","1") = "7"
    & skf18("4","8","5","4","8","7","1") = "7"
    & skf18("4","8","5","4","8","8","1") = "7"
    & skf18("4","8","5","4","8","9","1") = "8"
    & skf18("4","8","5","4","8","10","1") = "9"
    & skf18("4","8","5","4","9","1","1") = "8"
    & skf18("4","8","5","4","9","2","1") = "8"
    & skf18("4","8","5","4","9","3","1") = "8"
    & skf18("4","8","5","4","9","4","1") = "8"
    & skf18("4","8","5","4","9","5","1") = "8"
    & skf18("4","8","5","4","9","6","1") = "8"
    & skf18("4","8","5","4","9","7","1") = "8"
    & skf18("4","8","5","4","9","8","1") = "8"
    & skf18("4","8","5","4","9","9","1") = "8"
    & skf18("4","8","5","4","9","10","1") = "9"
    & skf18("4","8","5","4","10","1","1") = "9"
    & skf18("4","8","5","4","10","2","1") = "9"
    & skf18("4","8","5","4","10","3","1") = "9"
    & skf18("4","8","5","4","10","4","1") = "9"
    & skf18("4","8","5","4","10","5","1") = "9"
    & skf18("4","8","5","4","10","6","1") = "9"
    & skf18("4","8","5","4","10","7","1") = "9"
    & skf18("4","8","5","4","10","8","1") = "9"
    & skf18("4","8","5","4","10","9","1") = "9"
    & skf18("4","8","5","4","10","10","1") = "9"
    & skf18("4","8","5","5","1","1","1") = "7"
    & skf18("4","8","5","5","1","2","1") = "7"
    & skf18("4","8","5","5","1","3","1") = "7"
    & skf18("4","8","5","5","1","4","1") = "7"
    & skf18("4","8","5","5","1","5","1") = "7"
    & skf18("4","8","5","5","1","6","1") = "7"
    & skf18("4","8","5","5","1","7","1") = "7"
    & skf18("4","8","5","5","1","8","1") = "7"
    & skf18("4","8","5","5","1","9","1") = "8"
    & skf18("4","8","5","5","1","10","1") = "9"
    & skf18("4","8","5","5","2","1","1") = "7"
    & skf18("4","8","5","5","2","2","1") = "7"
    & skf18("4","8","5","5","2","3","1") = "7"
    & skf18("4","8","5","5","2","4","1") = "7"
    & skf18("4","8","5","5","2","5","1") = "7"
    & skf18("4","8","5","5","2","6","1") = "7"
    & skf18("4","8","5","5","2","7","1") = "7"
    & skf18("4","8","5","5","2","8","1") = "7"
    & skf18("4","8","5","5","2","9","1") = "8"
    & skf18("4","8","5","5","2","10","1") = "9"
    & skf18("4","8","5","5","3","1","1") = "7"
    & skf18("4","8","5","5","3","2","1") = "7"
    & skf18("4","8","5","5","3","3","1") = "7"
    & skf18("4","8","5","5","3","4","1") = "7"
    & skf18("4","8","5","5","3","5","1") = "7"
    & skf18("4","8","5","5","3","6","1") = "7"
    & skf18("4","8","5","5","3","7","1") = "7"
    & skf18("4","8","5","5","3","8","1") = "7"
    & skf18("4","8","5","5","3","9","1") = "8"
    & skf18("4","8","5","5","3","10","1") = "9"
    & skf18("4","8","5","5","4","1","1") = "7"
    & skf18("4","8","5","5","4","2","1") = "7"
    & skf18("4","8","5","5","4","3","1") = "7"
    & skf18("4","8","5","5","4","4","1") = "7"
    & skf18("4","8","5","5","4","5","1") = "7"
    & skf18("4","8","5","5","4","6","1") = "7"
    & skf18("4","8","5","5","4","7","1") = "7"
    & skf18("4","8","5","5","4","8","1") = "7"
    & skf18("4","8","5","5","4","9","1") = "8"
    & skf18("4","8","5","5","4","10","1") = "9"
    & skf18("4","8","5","5","5","1","1") = "7"
    & skf18("4","8","5","5","5","2","1") = "7"
    & skf18("4","8","5","5","5","3","1") = "7"
    & skf18("4","8","5","5","5","4","1") = "7"
    & skf18("4","8","5","5","5","5","1") = "7"
    & skf18("4","8","5","5","5","6","1") = "7"
    & skf18("4","8","5","5","5","7","1") = "7"
    & skf18("4","8","5","5","5","8","1") = "7"
    & skf18("4","8","5","5","5","9","1") = "8"
    & skf18("4","8","5","5","5","10","1") = "9"
    & skf18("4","8","5","5","6","1","1") = "7"
    & skf18("4","8","5","5","6","2","1") = "7"
    & skf18("4","8","5","5","6","3","1") = "7"
    & skf18("4","8","5","5","6","4","1") = "7"
    & skf18("4","8","5","5","6","5","1") = "7"
    & skf18("4","8","5","5","6","6","1") = "7"
    & skf18("4","8","5","5","6","7","1") = "7"
    & skf18("4","8","5","5","6","8","1") = "7"
    & skf18("4","8","5","5","6","9","1") = "8"
    & skf18("4","8","5","5","6","10","1") = "9"
    & skf18("4","8","5","5","7","1","1") = "7"
    & skf18("4","8","5","5","7","2","1") = "7"
    & skf18("4","8","5","5","7","3","1") = "7"
    & skf18("4","8","5","5","7","4","1") = "7"
    & skf18("4","8","5","5","7","5","1") = "7"
    & skf18("4","8","5","5","7","6","1") = "7"
    & skf18("4","8","5","5","7","7","1") = "7"
    & skf18("4","8","5","5","7","8","1") = "7"
    & skf18("4","8","5","5","7","9","1") = "8"
    & skf18("4","8","5","5","7","10","1") = "9"
    & skf18("4","8","5","5","8","1","1") = "7"
    & skf18("4","8","5","5","8","2","1") = "7"
    & skf18("4","8","5","5","8","3","1") = "7"
    & skf18("4","8","5","5","8","4","1") = "7"
    & skf18("4","8","5","5","8","5","1") = "7"
    & skf18("4","8","5","5","8","6","1") = "7"
    & skf18("4","8","5","5","8","7","1") = "7"
    & skf18("4","8","5","5","8","8","1") = "7"
    & skf18("4","8","5","5","8","9","1") = "8"
    & skf18("4","8","5","5","8","10","1") = "9"
    & skf18("4","8","5","5","9","1","1") = "8"
    & skf18("4","8","5","5","9","2","1") = "8"
    & skf18("4","8","5","5","9","3","1") = "8"
    & skf18("4","8","5","5","9","4","1") = "8"
    & skf18("4","8","5","5","9","5","1") = "8"
    & skf18("4","8","5","5","9","6","1") = "8"
    & skf18("4","8","5","5","9","7","1") = "8"
    & skf18("4","8","5","5","9","8","1") = "8"
    & skf18("4","8","5","5","9","9","1") = "8"
    & skf18("4","8","5","5","9","10","1") = "9"
    & skf18("4","8","5","5","10","1","1") = "9"
    & skf18("4","8","5","5","10","2","1") = "9"
    & skf18("4","8","5","5","10","3","1") = "9"
    & skf18("4","8","5","5","10","4","1") = "9"
    & skf18("4","8","5","5","10","5","1") = "9"
    & skf18("4","8","5","5","10","6","1") = "9"
    & skf18("4","8","5","5","10","7","1") = "9"
    & skf18("4","8","5","5","10","8","1") = "9"
    & skf18("4","8","5","5","10","9","1") = "9"
    & skf18("4","8","5","5","10","10","1") = "9"
    & skf18("4","8","5","6","1","1","1") = "7"
    & skf18("4","8","5","6","1","2","1") = "7"
    & skf18("4","8","5","6","1","3","1") = "7"
    & skf18("4","8","5","6","1","4","1") = "7"
    & skf18("4","8","5","6","1","5","1") = "7"
    & skf18("4","8","5","6","1","6","1") = "7"
    & skf18("4","8","5","6","1","7","1") = "7"
    & skf18("4","8","5","6","1","8","1") = "7"
    & skf18("4","8","5","6","1","9","1") = "8"
    & skf18("4","8","5","6","1","10","1") = "9"
    & skf18("4","8","5","6","2","1","1") = "7"
    & skf18("4","8","5","6","2","2","1") = "7"
    & skf18("4","8","5","6","2","3","1") = "7"
    & skf18("4","8","5","6","2","4","1") = "7"
    & skf18("4","8","5","6","2","5","1") = "7"
    & skf18("4","8","5","6","2","6","1") = "7"
    & skf18("4","8","5","6","2","7","1") = "7"
    & skf18("4","8","5","6","2","8","1") = "7"
    & skf18("4","8","5","6","2","9","1") = "8"
    & skf18("4","8","5","6","2","10","1") = "9"
    & skf18("4","8","5","6","3","1","1") = "7"
    & skf18("4","8","5","6","3","2","1") = "7"
    & skf18("4","8","5","6","3","3","1") = "7"
    & skf18("4","8","5","6","3","4","1") = "7"
    & skf18("4","8","5","6","3","5","1") = "7"
    & skf18("4","8","5","6","3","6","1") = "7"
    & skf18("4","8","5","6","3","7","1") = "7"
    & skf18("4","8","5","6","3","8","1") = "7"
    & skf18("4","8","5","6","3","9","1") = "8"
    & skf18("4","8","5","6","3","10","1") = "9"
    & skf18("4","8","5","6","4","1","1") = "7"
    & skf18("4","8","5","6","4","2","1") = "7"
    & skf18("4","8","5","6","4","3","1") = "7"
    & skf18("4","8","5","6","4","4","1") = "7"
    & skf18("4","8","5","6","4","5","1") = "7"
    & skf18("4","8","5","6","4","6","1") = "7"
    & skf18("4","8","5","6","4","7","1") = "7"
    & skf18("4","8","5","6","4","8","1") = "7"
    & skf18("4","8","5","6","4","9","1") = "8"
    & skf18("4","8","5","6","4","10","1") = "9"
    & skf18("4","8","5","6","5","1","1") = "7"
    & skf18("4","8","5","6","5","2","1") = "7"
    & skf18("4","8","5","6","5","3","1") = "7"
    & skf18("4","8","5","6","5","4","1") = "7"
    & skf18("4","8","5","6","5","5","1") = "7"
    & skf18("4","8","5","6","5","6","1") = "7"
    & skf18("4","8","5","6","5","7","1") = "7"
    & skf18("4","8","5","6","5","8","1") = "7"
    & skf18("4","8","5","6","5","9","1") = "8"
    & skf18("4","8","5","6","5","10","1") = "9"
    & skf18("4","8","5","6","6","1","1") = "7"
    & skf18("4","8","5","6","6","2","1") = "7"
    & skf18("4","8","5","6","6","3","1") = "7"
    & skf18("4","8","5","6","6","4","1") = "7"
    & skf18("4","8","5","6","6","5","1") = "7"
    & skf18("4","8","5","6","6","6","1") = "7"
    & skf18("4","8","5","6","6","7","1") = "7"
    & skf18("4","8","5","6","6","8","1") = "7"
    & skf18("4","8","5","6","6","9","1") = "8"
    & skf18("4","8","5","6","6","10","1") = "9"
    & skf18("4","8","5","6","7","1","1") = "7"
    & skf18("4","8","5","6","7","2","1") = "7"
    & skf18("4","8","5","6","7","3","1") = "7"
    & skf18("4","8","5","6","7","4","1") = "7"
    & skf18("4","8","5","6","7","5","1") = "7"
    & skf18("4","8","5","6","7","6","1") = "7"
    & skf18("4","8","5","6","7","7","1") = "7"
    & skf18("4","8","5","6","7","8","1") = "7"
    & skf18("4","8","5","6","7","9","1") = "8"
    & skf18("4","8","5","6","7","10","1") = "9"
    & skf18("4","8","5","6","8","1","1") = "7"
    & skf18("4","8","5","6","8","2","1") = "7"
    & skf18("4","8","5","6","8","3","1") = "7"
    & skf18("4","8","5","6","8","4","1") = "7"
    & skf18("4","8","5","6","8","5","1") = "7"
    & skf18("4","8","5","6","8","6","1") = "7"
    & skf18("4","8","5","6","8","7","1") = "7"
    & skf18("4","8","5","6","8","8","1") = "7"
    & skf18("4","8","5","6","8","9","1") = "8"
    & skf18("4","8","5","6","8","10","1") = "9"
    & skf18("4","8","5","6","9","1","1") = "8"
    & skf18("4","8","5","6","9","2","1") = "8"
    & skf18("4","8","5","6","9","3","1") = "8"
    & skf18("4","8","5","6","9","4","1") = "8"
    & skf18("4","8","5","6","9","5","1") = "8"
    & skf18("4","8","5","6","9","6","1") = "8"
    & skf18("4","8","5","6","9","7","1") = "8"
    & skf18("4","8","5","6","9","8","1") = "8"
    & skf18("4","8","5","6","9","9","1") = "8"
    & skf18("4","8","5","6","9","10","1") = "9"
    & skf18("4","8","5","6","10","1","1") = "9"
    & skf18("4","8","5","6","10","2","1") = "9"
    & skf18("4","8","5","6","10","3","1") = "9"
    & skf18("4","8","5","6","10","4","1") = "9"
    & skf18("4","8","5","6","10","5","1") = "9"
    & skf18("4","8","5","6","10","6","1") = "9"
    & skf18("4","8","5","6","10","7","1") = "9"
    & skf18("4","8","5","6","10","8","1") = "9"
    & skf18("4","8","5","6","10","9","1") = "9"
    & skf18("4","8","5","6","10","10","1") = "9"
    & skf18("4","8","5","7","1","1","1") = "7"
    & skf18("4","8","5","7","1","2","1") = "7"
    & skf18("4","8","5","7","1","3","1") = "7"
    & skf18("4","8","5","7","1","4","1") = "7"
    & skf18("4","8","5","7","1","5","1") = "7"
    & skf18("4","8","5","7","1","6","1") = "7"
    & skf18("4","8","5","7","1","7","1") = "7"
    & skf18("4","8","5","7","1","8","1") = "7"
    & skf18("4","8","5","7","1","9","1") = "8"
    & skf18("4","8","5","7","1","10","1") = "9"
    & skf18("4","8","5","7","2","1","1") = "7"
    & skf18("4","8","5","7","2","2","1") = "7"
    & skf18("4","8","5","7","2","3","1") = "7"
    & skf18("4","8","5","7","2","4","1") = "7"
    & skf18("4","8","5","7","2","5","1") = "7"
    & skf18("4","8","5","7","2","6","1") = "7"
    & skf18("4","8","5","7","2","7","1") = "7"
    & skf18("4","8","5","7","2","8","1") = "7"
    & skf18("4","8","5","7","2","9","1") = "8"
    & skf18("4","8","5","7","2","10","1") = "9"
    & skf18("4","8","5","7","3","1","1") = "7"
    & skf18("4","8","5","7","3","2","1") = "7"
    & skf18("4","8","5","7","3","3","1") = "7"
    & skf18("4","8","5","7","3","4","1") = "7"
    & skf18("4","8","5","7","3","5","1") = "7"
    & skf18("4","8","5","7","3","6","1") = "7"
    & skf18("4","8","5","7","3","7","1") = "7"
    & skf18("4","8","5","7","3","8","1") = "7"
    & skf18("4","8","5","7","3","9","1") = "8"
    & skf18("4","8","5","7","3","10","1") = "9"
    & skf18("4","8","5","7","4","1","1") = "7"
    & skf18("4","8","5","7","4","2","1") = "7"
    & skf18("4","8","5","7","4","3","1") = "7"
    & skf18("4","8","5","7","4","4","1") = "7"
    & skf18("4","8","5","7","4","5","1") = "7"
    & skf18("4","8","5","7","4","6","1") = "7"
    & skf18("4","8","5","7","4","7","1") = "7"
    & skf18("4","8","5","7","4","8","1") = "7"
    & skf18("4","8","5","7","4","9","1") = "8"
    & skf18("4","8","5","7","4","10","1") = "9"
    & skf18("4","8","5","7","5","1","1") = "7"
    & skf18("4","8","5","7","5","2","1") = "7"
    & skf18("4","8","5","7","5","3","1") = "7"
    & skf18("4","8","5","7","5","4","1") = "7"
    & skf18("4","8","5","7","5","5","1") = "7"
    & skf18("4","8","5","7","5","6","1") = "7"
    & skf18("4","8","5","7","5","7","1") = "7"
    & skf18("4","8","5","7","5","8","1") = "7"
    & skf18("4","8","5","7","5","9","1") = "8"
    & skf18("4","8","5","7","5","10","1") = "9"
    & skf18("4","8","5","7","6","1","1") = "7"
    & skf18("4","8","5","7","6","2","1") = "7"
    & skf18("4","8","5","7","6","3","1") = "7"
    & skf18("4","8","5","7","6","4","1") = "7"
    & skf18("4","8","5","7","6","5","1") = "7"
    & skf18("4","8","5","7","6","6","1") = "7"
    & skf18("4","8","5","7","6","7","1") = "7"
    & skf18("4","8","5","7","6","8","1") = "7"
    & skf18("4","8","5","7","6","9","1") = "8"
    & skf18("4","8","5","7","6","10","1") = "9"
    & skf18("4","8","5","7","7","1","1") = "7"
    & skf18("4","8","5","7","7","2","1") = "7"
    & skf18("4","8","5","7","7","3","1") = "7"
    & skf18("4","8","5","7","7","4","1") = "7"
    & skf18("4","8","5","7","7","5","1") = "7"
    & skf18("4","8","5","7","7","6","1") = "7"
    & skf18("4","8","5","7","7","7","1") = "7"
    & skf18("4","8","5","7","7","8","1") = "7"
    & skf18("4","8","5","7","7","9","1") = "8"
    & skf18("4","8","5","7","7","10","1") = "9"
    & skf18("4","8","5","7","8","1","1") = "7"
    & skf18("4","8","5","7","8","2","1") = "7"
    & skf18("4","8","5","7","8","3","1") = "7"
    & skf18("4","8","5","7","8","4","1") = "7"
    & skf18("4","8","5","7","8","5","1") = "7"
    & skf18("4","8","5","7","8","6","1") = "7"
    & skf18("4","8","5","7","8","7","1") = "7"
    & skf18("4","8","5","7","8","8","1") = "7"
    & skf18("4","8","5","7","8","9","1") = "8"
    & skf18("4","8","5","7","8","10","1") = "9"
    & skf18("4","8","5","7","9","1","1") = "8"
    & skf18("4","8","5","7","9","2","1") = "8"
    & skf18("4","8","5","7","9","3","1") = "8"
    & skf18("4","8","5","7","9","4","1") = "8"
    & skf18("4","8","5","7","9","5","1") = "8"
    & skf18("4","8","5","7","9","6","1") = "8"
    & skf18("4","8","5","7","9","7","1") = "8"
    & skf18("4","8","5","7","9","8","1") = "8"
    & skf18("4","8","5","7","9","9","1") = "8"
    & skf18("4","8","5","7","9","10","1") = "9"
    & skf18("4","8","5","7","10","1","1") = "9"
    & skf18("4","8","5","7","10","2","1") = "9"
    & skf18("4","8","5","7","10","3","1") = "9"
    & skf18("4","8","5","7","10","4","1") = "9"
    & skf18("4","8","5","7","10","5","1") = "9"
    & skf18("4","8","5","7","10","6","1") = "9"
    & skf18("4","8","5","7","10","7","1") = "9"
    & skf18("4","8","5","7","10","8","1") = "9"
    & skf18("4","8","5","7","10","9","1") = "9"
    & skf18("4","8","5","7","10","10","1") = "9"
    & skf18("4","8","5","8","1","1","1") = "7"
    & skf18("4","8","5","8","1","2","1") = "7"
    & skf18("4","8","5","8","1","3","1") = "7"
    & skf18("4","8","5","8","1","4","1") = "7"
    & skf18("4","8","5","8","1","5","1") = "7"
    & skf18("4","8","5","8","1","6","1") = "7"
    & skf18("4","8","5","8","1","7","1") = "7"
    & skf18("4","8","5","8","1","8","1") = "7"
    & skf18("4","8","5","8","1","9","1") = "8"
    & skf18("4","8","5","8","1","10","1") = "9"
    & skf18("4","8","5","8","2","1","1") = "7"
    & skf18("4","8","5","8","2","2","1") = "7"
    & skf18("4","8","5","8","2","3","1") = "7"
    & skf18("4","8","5","8","2","4","1") = "7"
    & skf18("4","8","5","8","2","5","1") = "7"
    & skf18("4","8","5","8","2","6","1") = "7"
    & skf18("4","8","5","8","2","7","1") = "7"
    & skf18("4","8","5","8","2","8","1") = "7"
    & skf18("4","8","5","8","2","9","1") = "8"
    & skf18("4","8","5","8","2","10","1") = "9"
    & skf18("4","8","5","8","3","1","1") = "7"
    & skf18("4","8","5","8","3","2","1") = "7"
    & skf18("4","8","5","8","3","3","1") = "7"
    & skf18("4","8","5","8","3","4","1") = "7"
    & skf18("4","8","5","8","3","5","1") = "7"
    & skf18("4","8","5","8","3","6","1") = "7"
    & skf18("4","8","5","8","3","7","1") = "7"
    & skf18("4","8","5","8","3","8","1") = "7"
    & skf18("4","8","5","8","3","9","1") = "8"
    & skf18("4","8","5","8","3","10","1") = "9"
    & skf18("4","8","5","8","4","1","1") = "7"
    & skf18("4","8","5","8","4","2","1") = "7"
    & skf18("4","8","5","8","4","3","1") = "7"
    & skf18("4","8","5","8","4","4","1") = "7"
    & skf18("4","8","5","8","4","5","1") = "7"
    & skf18("4","8","5","8","4","6","1") = "7"
    & skf18("4","8","5","8","4","7","1") = "7"
    & skf18("4","8","5","8","4","8","1") = "7"
    & skf18("4","8","5","8","4","9","1") = "8"
    & skf18("4","8","5","8","4","10","1") = "9"
    & skf18("4","8","5","8","5","1","1") = "7"
    & skf18("4","8","5","8","5","2","1") = "7"
    & skf18("4","8","5","8","5","3","1") = "7"
    & skf18("4","8","5","8","5","4","1") = "7"
    & skf18("4","8","5","8","5","5","1") = "7"
    & skf18("4","8","5","8","5","6","1") = "7"
    & skf18("4","8","5","8","5","7","1") = "7"
    & skf18("4","8","5","8","5","8","1") = "7"
    & skf18("4","8","5","8","5","9","1") = "8"
    & skf18("4","8","5","8","5","10","1") = "9"
    & skf18("4","8","5","8","6","1","1") = "7"
    & skf18("4","8","5","8","6","2","1") = "7"
    & skf18("4","8","5","8","6","3","1") = "7"
    & skf18("4","8","5","8","6","4","1") = "7"
    & skf18("4","8","5","8","6","5","1") = "7"
    & skf18("4","8","5","8","6","6","1") = "7"
    & skf18("4","8","5","8","6","7","1") = "7"
    & skf18("4","8","5","8","6","8","1") = "7"
    & skf18("4","8","5","8","6","9","1") = "8"
    & skf18("4","8","5","8","6","10","1") = "9"
    & skf18("4","8","5","8","7","1","1") = "7"
    & skf18("4","8","5","8","7","2","1") = "7"
    & skf18("4","8","5","8","7","3","1") = "7"
    & skf18("4","8","5","8","7","4","1") = "7"
    & skf18("4","8","5","8","7","5","1") = "7"
    & skf18("4","8","5","8","7","6","1") = "7"
    & skf18("4","8","5","8","7","7","1") = "7"
    & skf18("4","8","5","8","7","8","1") = "7"
    & skf18("4","8","5","8","7","9","1") = "8"
    & skf18("4","8","5","8","7","10","1") = "9"
    & skf18("4","8","5","8","8","1","1") = "7"
    & skf18("4","8","5","8","8","2","1") = "7"
    & skf18("4","8","5","8","8","3","1") = "7"
    & skf18("4","8","5","8","8","4","1") = "7"
    & skf18("4","8","5","8","8","5","1") = "7"
    & skf18("4","8","5","8","8","6","1") = "7"
    & skf18("4","8","5","8","8","7","1") = "7"
    & skf18("4","8","5","8","8","8","1") = "7"
    & skf18("4","8","5","8","8","9","1") = "8"
    & skf18("4","8","5","8","8","10","1") = "9"
    & skf18("4","8","5","8","9","1","1") = "8"
    & skf18("4","8","5","8","9","2","1") = "8"
    & skf18("4","8","5","8","9","3","1") = "8"
    & skf18("4","8","5","8","9","4","1") = "8"
    & skf18("4","8","5","8","9","5","1") = "8"
    & skf18("4","8","5","8","9","6","1") = "8"
    & skf18("4","8","5","8","9","7","1") = "8"
    & skf18("4","8","5","8","9","8","1") = "8"
    & skf18("4","8","5","8","9","9","1") = "8"
    & skf18("4","8","5","8","9","10","1") = "9"
    & skf18("4","8","5","8","10","1","1") = "9"
    & skf18("4","8","5","8","10","2","1") = "9"
    & skf18("4","8","5","8","10","3","1") = "9"
    & skf18("4","8","5","8","10","4","1") = "9"
    & skf18("4","8","5","8","10","5","1") = "9"
    & skf18("4","8","5","8","10","6","1") = "9"
    & skf18("4","8","5","8","10","7","1") = "9"
    & skf18("4","8","5","8","10","8","1") = "9"
    & skf18("4","8","5","8","10","9","1") = "9"
    & skf18("4","8","5","8","10","10","1") = "9"
    & skf18("4","8","5","9","1","1","1") = "8"
    & skf18("4","8","5","9","1","2","1") = "8"
    & skf18("4","8","5","9","1","3","1") = "8"
    & skf18("4","8","5","9","1","4","1") = "8"
    & skf18("4","8","5","9","1","5","1") = "8"
    & skf18("4","8","5","9","1","6","1") = "8"
    & skf18("4","8","5","9","1","7","1") = "8"
    & skf18("4","8","5","9","1","8","1") = "8"
    & skf18("4","8","5","9","1","9","1") = "8"
    & skf18("4","8","5","9","1","10","1") = "9"
    & skf18("4","8","5","9","2","1","1") = "8"
    & skf18("4","8","5","9","2","2","1") = "8"
    & skf18("4","8","5","9","2","3","1") = "8"
    & skf18("4","8","5","9","2","4","1") = "8"
    & skf18("4","8","5","9","2","5","1") = "8"
    & skf18("4","8","5","9","2","6","1") = "8"
    & skf18("4","8","5","9","2","7","1") = "8"
    & skf18("4","8","5","9","2","8","1") = "8"
    & skf18("4","8","5","9","2","9","1") = "8"
    & skf18("4","8","5","9","2","10","1") = "9"
    & skf18("4","8","5","9","3","1","1") = "8"
    & skf18("4","8","5","9","3","2","1") = "8"
    & skf18("4","8","5","9","3","3","1") = "8"
    & skf18("4","8","5","9","3","4","1") = "8"
    & skf18("4","8","5","9","3","5","1") = "8"
    & skf18("4","8","5","9","3","6","1") = "8"
    & skf18("4","8","5","9","3","7","1") = "8"
    & skf18("4","8","5","9","3","8","1") = "8"
    & skf18("4","8","5","9","3","9","1") = "8"
    & skf18("4","8","5","9","3","10","1") = "9"
    & skf18("4","8","5","9","4","1","1") = "8"
    & skf18("4","8","5","9","4","2","1") = "8"
    & skf18("4","8","5","9","4","3","1") = "8"
    & skf18("4","8","5","9","4","4","1") = "8"
    & skf18("4","8","5","9","4","5","1") = "8"
    & skf18("4","8","5","9","4","6","1") = "8"
    & skf18("4","8","5","9","4","7","1") = "8"
    & skf18("4","8","5","9","4","8","1") = "8"
    & skf18("4","8","5","9","4","9","1") = "8"
    & skf18("4","8","5","9","4","10","1") = "9"
    & skf18("4","8","5","9","5","1","1") = "8"
    & skf18("4","8","5","9","5","2","1") = "8"
    & skf18("4","8","5","9","5","3","1") = "8"
    & skf18("4","8","5","9","5","4","1") = "8"
    & skf18("4","8","5","9","5","5","1") = "8"
    & skf18("4","8","5","9","5","6","1") = "8"
    & skf18("4","8","5","9","5","7","1") = "8"
    & skf18("4","8","5","9","5","8","1") = "8"
    & skf18("4","8","5","9","5","9","1") = "8"
    & skf18("4","8","5","9","5","10","1") = "9"
    & skf18("4","8","5","9","6","1","1") = "8"
    & skf18("4","8","5","9","6","2","1") = "8"
    & skf18("4","8","5","9","6","3","1") = "8"
    & skf18("4","8","5","9","6","4","1") = "8"
    & skf18("4","8","5","9","6","5","1") = "8"
    & skf18("4","8","5","9","6","6","1") = "8"
    & skf18("4","8","5","9","6","7","1") = "8"
    & skf18("4","8","5","9","6","8","1") = "8"
    & skf18("4","8","5","9","6","9","1") = "8"
    & skf18("4","8","5","9","6","10","1") = "9"
    & skf18("4","8","5","9","7","1","1") = "8"
    & skf18("4","8","5","9","7","2","1") = "8"
    & skf18("4","8","5","9","7","3","1") = "8"
    & skf18("4","8","5","9","7","4","1") = "8"
    & skf18("4","8","5","9","7","5","1") = "8"
    & skf18("4","8","5","9","7","6","1") = "8"
    & skf18("4","8","5","9","7","7","1") = "8"
    & skf18("4","8","5","9","7","8","1") = "8"
    & skf18("4","8","5","9","7","9","1") = "8"
    & skf18("4","8","5","9","7","10","1") = "9"
    & skf18("4","8","5","9","8","1","1") = "8"
    & skf18("4","8","5","9","8","2","1") = "8"
    & skf18("4","8","5","9","8","3","1") = "8"
    & skf18("4","8","5","9","8","4","1") = "8"
    & skf18("4","8","5","9","8","5","1") = "8"
    & skf18("4","8","5","9","8","6","1") = "8"
    & skf18("4","8","5","9","8","7","1") = "8"
    & skf18("4","8","5","9","8","8","1") = "8"
    & skf18("4","8","5","9","8","9","1") = "8"
    & skf18("4","8","5","9","8","10","1") = "9"
    & skf18("4","8","5","9","9","1","1") = "8"
    & skf18("4","8","5","9","9","2","1") = "8"
    & skf18("4","8","5","9","9","3","1") = "8"
    & skf18("4","8","5","9","9","4","1") = "8"
    & skf18("4","8","5","9","9","5","1") = "8"
    & skf18("4","8","5","9","9","6","1") = "8"
    & skf18("4","8","5","9","9","7","1") = "8"
    & skf18("4","8","5","9","9","8","1") = "8"
    & skf18("4","8","5","9","9","9","1") = "8"
    & skf18("4","8","5","9","9","10","1") = "9"
    & skf18("4","8","5","9","10","1","1") = "9"
    & skf18("4","8","5","9","10","2","1") = "9"
    & skf18("4","8","5","9","10","3","1") = "9"
    & skf18("4","8","5","9","10","4","1") = "9"
    & skf18("4","8","5","9","10","5","1") = "9"
    & skf18("4","8","5","9","10","6","1") = "9"
    & skf18("4","8","5","9","10","7","1") = "9"
    & skf18("4","8","5","9","10","8","1") = "9"
    & skf18("4","8","5","9","10","9","1") = "9"
    & skf18("4","8","5","9","10","10","1") = "9"
    & skf18("4","8","5","10","1","1","1") = "9"
    & skf18("4","8","5","10","1","2","1") = "9"
    & skf18("4","8","5","10","1","3","1") = "9"
    & skf18("4","8","5","10","1","4","1") = "9"
    & skf18("4","8","5","10","1","5","1") = "9"
    & skf18("4","8","5","10","1","6","1") = "9"
    & skf18("4","8","5","10","1","7","1") = "9"
    & skf18("4","8","5","10","1","8","1") = "9"
    & skf18("4","8","5","10","1","9","1") = "9"
    & skf18("4","8","5","10","1","10","1") = "9"
    & skf18("4","8","5","10","2","1","1") = "9"
    & skf18("4","8","5","10","2","2","1") = "9"
    & skf18("4","8","5","10","2","3","1") = "9"
    & skf18("4","8","5","10","2","4","1") = "9"
    & skf18("4","8","5","10","2","5","1") = "9"
    & skf18("4","8","5","10","2","6","1") = "9"
    & skf18("4","8","5","10","2","7","1") = "9"
    & skf18("4","8","5","10","2","8","1") = "9"
    & skf18("4","8","5","10","2","9","1") = "9"
    & skf18("4","8","5","10","2","10","1") = "9"
    & skf18("4","8","5","10","3","1","1") = "9"
    & skf18("4","8","5","10","3","2","1") = "9"
    & skf18("4","8","5","10","3","3","1") = "9"
    & skf18("4","8","5","10","3","4","1") = "9"
    & skf18("4","8","5","10","3","5","1") = "9"
    & skf18("4","8","5","10","3","6","1") = "9"
    & skf18("4","8","5","10","3","7","1") = "9"
    & skf18("4","8","5","10","3","8","1") = "9"
    & skf18("4","8","5","10","3","9","1") = "9"
    & skf18("4","8","5","10","3","10","1") = "9"
    & skf18("4","8","5","10","4","1","1") = "9"
    & skf18("4","8","5","10","4","2","1") = "9"
    & skf18("4","8","5","10","4","3","1") = "9"
    & skf18("4","8","5","10","4","4","1") = "9"
    & skf18("4","8","5","10","4","5","1") = "9"
    & skf18("4","8","5","10","4","6","1") = "9"
    & skf18("4","8","5","10","4","7","1") = "9"
    & skf18("4","8","5","10","4","8","1") = "9"
    & skf18("4","8","5","10","4","9","1") = "9"
    & skf18("4","8","5","10","4","10","1") = "9"
    & skf18("4","8","5","10","5","1","1") = "9"
    & skf18("4","8","5","10","5","2","1") = "9"
    & skf18("4","8","5","10","5","3","1") = "9"
    & skf18("4","8","5","10","5","4","1") = "9"
    & skf18("4","8","5","10","5","5","1") = "9"
    & skf18("4","8","5","10","5","6","1") = "9"
    & skf18("4","8","5","10","5","7","1") = "9"
    & skf18("4","8","5","10","5","8","1") = "9"
    & skf18("4","8","5","10","5","9","1") = "9"
    & skf18("4","8","5","10","5","10","1") = "9"
    & skf18("4","8","5","10","6","1","1") = "9"
    & skf18("4","8","5","10","6","2","1") = "9"
    & skf18("4","8","5","10","6","3","1") = "9"
    & skf18("4","8","5","10","6","4","1") = "9"
    & skf18("4","8","5","10","6","5","1") = "9"
    & skf18("4","8","5","10","6","6","1") = "9"
    & skf18("4","8","5","10","6","7","1") = "9"
    & skf18("4","8","5","10","6","8","1") = "9"
    & skf18("4","8","5","10","6","9","1") = "9"
    & skf18("4","8","5","10","6","10","1") = "9"
    & skf18("4","8","5","10","7","1","1") = "9"
    & skf18("4","8","5","10","7","2","1") = "9"
    & skf18("4","8","5","10","7","3","1") = "9"
    & skf18("4","8","5","10","7","4","1") = "9"
    & skf18("4","8","5","10","7","5","1") = "9"
    & skf18("4","8","5","10","7","6","1") = "9"
    & skf18("4","8","5","10","7","7","1") = "9"
    & skf18("4","8","5","10","7","8","1") = "9"
    & skf18("4","8","5","10","7","9","1") = "9"
    & skf18("4","8","5","10","7","10","1") = "9"
    & skf18("4","8","5","10","8","1","1") = "9"
    & skf18("4","8","5","10","8","2","1") = "9"
    & skf18("4","8","5","10","8","3","1") = "9"
    & skf18("4","8","5","10","8","4","1") = "9"
    & skf18("4","8","5","10","8","5","1") = "9"
    & skf18("4","8","5","10","8","6","1") = "9"
    & skf18("4","8","5","10","8","7","1") = "9"
    & skf18("4","8","5","10","8","8","1") = "9"
    & skf18("4","8","5","10","8","9","1") = "9"
    & skf18("4","8","5","10","8","10","1") = "9"
    & skf18("4","8","5","10","9","1","1") = "9"
    & skf18("4","8","5","10","9","2","1") = "9"
    & skf18("4","8","5","10","9","3","1") = "9"
    & skf18("4","8","5","10","9","4","1") = "9"
    & skf18("4","8","5","10","9","5","1") = "9"
    & skf18("4","8","5","10","9","6","1") = "9"
    & skf18("4","8","5","10","9","7","1") = "9"
    & skf18("4","8","5","10","9","8","1") = "9"
    & skf18("4","8","5","10","9","9","1") = "9"
    & skf18("4","8","5","10","9","10","1") = "9"
    & skf18("4","8","5","10","10","1","1") = "9"
    & skf18("4","8","5","10","10","2","1") = "9"
    & skf18("4","8","5","10","10","3","1") = "9"
    & skf18("4","8","5","10","10","4","1") = "9"
    & skf18("4","8","5","10","10","5","1") = "9"
    & skf18("4","8","5","10","10","6","1") = "9"
    & skf18("4","8","5","10","10","7","1") = "9"
    & skf18("4","8","5","10","10","8","1") = "9"
    & skf18("4","8","5","10","10","9","1") = "9"
    & skf18("4","8","5","10","10","10","1") = "9"
    & skf18("4","8","6","1","1","1","1") = "7"
    & skf18("4","8","6","1","1","2","1") = "7"
    & skf18("4","8","6","1","1","3","1") = "7"
    & skf18("4","8","6","1","1","4","1") = "7"
    & skf18("4","8","6","1","1","5","1") = "7"
    & skf18("4","8","6","1","1","6","1") = "7"
    & skf18("4","8","6","1","1","7","1") = "7"
    & skf18("4","8","6","1","1","8","1") = "7"
    & skf18("4","8","6","1","1","9","1") = "8"
    & skf18("4","8","6","1","1","10","1") = "9"
    & skf18("4","8","6","1","2","1","1") = "7"
    & skf18("4","8","6","1","2","2","1") = "7"
    & skf18("4","8","6","1","2","3","1") = "7"
    & skf18("4","8","6","1","2","4","1") = "7"
    & skf18("4","8","6","1","2","5","1") = "7"
    & skf18("4","8","6","1","2","6","1") = "7"
    & skf18("4","8","6","1","2","7","1") = "7"
    & skf18("4","8","6","1","2","8","1") = "7"
    & skf18("4","8","6","1","2","9","1") = "8"
    & skf18("4","8","6","1","2","10","1") = "9"
    & skf18("4","8","6","1","3","1","1") = "7"
    & skf18("4","8","6","1","3","2","1") = "7"
    & skf18("4","8","6","1","3","3","1") = "7"
    & skf18("4","8","6","1","3","4","1") = "7"
    & skf18("4","8","6","1","3","5","1") = "7"
    & skf18("4","8","6","1","3","6","1") = "7"
    & skf18("4","8","6","1","3","7","1") = "7"
    & skf18("4","8","6","1","3","8","1") = "7"
    & skf18("4","8","6","1","3","9","1") = "8"
    & skf18("4","8","6","1","3","10","1") = "9"
    & skf18("4","8","6","1","4","1","1") = "7"
    & skf18("4","8","6","1","4","2","1") = "7"
    & skf18("4","8","6","1","4","3","1") = "7"
    & skf18("4","8","6","1","4","4","1") = "7"
    & skf18("4","8","6","1","4","5","1") = "7"
    & skf18("4","8","6","1","4","6","1") = "7"
    & skf18("4","8","6","1","4","7","1") = "7"
    & skf18("4","8","6","1","4","8","1") = "7"
    & skf18("4","8","6","1","4","9","1") = "8"
    & skf18("4","8","6","1","4","10","1") = "9"
    & skf18("4","8","6","1","5","1","1") = "7"
    & skf18("4","8","6","1","5","2","1") = "7"
    & skf18("4","8","6","1","5","3","1") = "7"
    & skf18("4","8","6","1","5","4","1") = "7"
    & skf18("4","8","6","1","5","5","1") = "7"
    & skf18("4","8","6","1","5","6","1") = "7"
    & skf18("4","8","6","1","5","7","1") = "7"
    & skf18("4","8","6","1","5","8","1") = "7"
    & skf18("4","8","6","1","5","9","1") = "8"
    & skf18("4","8","6","1","5","10","1") = "9"
    & skf18("4","8","6","1","6","1","1") = "7"
    & skf18("4","8","6","1","6","2","1") = "7"
    & skf18("4","8","6","1","6","3","1") = "7"
    & skf18("4","8","6","1","6","4","1") = "7"
    & skf18("4","8","6","1","6","5","1") = "7"
    & skf18("4","8","6","1","6","6","1") = "7"
    & skf18("4","8","6","1","6","7","1") = "7"
    & skf18("4","8","6","1","6","8","1") = "7"
    & skf18("4","8","6","1","6","9","1") = "8"
    & skf18("4","8","6","1","6","10","1") = "9"
    & skf18("4","8","6","1","7","1","1") = "7"
    & skf18("4","8","6","1","7","2","1") = "7"
    & skf18("4","8","6","1","7","3","1") = "7"
    & skf18("4","8","6","1","7","4","1") = "7"
    & skf18("4","8","6","1","7","5","1") = "7"
    & skf18("4","8","6","1","7","6","1") = "7"
    & skf18("4","8","6","1","7","7","1") = "7"
    & skf18("4","8","6","1","7","8","1") = "7"
    & skf18("4","8","6","1","7","9","1") = "8"
    & skf18("4","8","6","1","7","10","1") = "9"
    & skf18("4","8","6","1","8","1","1") = "7"
    & skf18("4","8","6","1","8","2","1") = "7"
    & skf18("4","8","6","1","8","3","1") = "7"
    & skf18("4","8","6","1","8","4","1") = "7"
    & skf18("4","8","6","1","8","5","1") = "7"
    & skf18("4","8","6","1","8","6","1") = "7"
    & skf18("4","8","6","1","8","7","1") = "7"
    & skf18("4","8","6","1","8","8","1") = "7"
    & skf18("4","8","6","1","8","9","1") = "8"
    & skf18("4","8","6","1","8","10","1") = "9"
    & skf18("4","8","6","1","9","1","1") = "8"
    & skf18("4","8","6","1","9","2","1") = "8"
    & skf18("4","8","6","1","9","3","1") = "8"
    & skf18("4","8","6","1","9","4","1") = "8"
    & skf18("4","8","6","1","9","5","1") = "8"
    & skf18("4","8","6","1","9","6","1") = "8"
    & skf18("4","8","6","1","9","7","1") = "8"
    & skf18("4","8","6","1","9","8","1") = "8"
    & skf18("4","8","6","1","9","9","1") = "8"
    & skf18("4","8","6","1","9","10","1") = "9"
    & skf18("4","8","6","1","10","1","1") = "9"
    & skf18("4","8","6","1","10","2","1") = "9"
    & skf18("4","8","6","1","10","3","1") = "9"
    & skf18("4","8","6","1","10","4","1") = "9"
    & skf18("4","8","6","1","10","5","1") = "9"
    & skf18("4","8","6","1","10","6","1") = "9"
    & skf18("4","8","6","1","10","7","1") = "9"
    & skf18("4","8","6","1","10","8","1") = "9"
    & skf18("4","8","6","1","10","9","1") = "9"
    & skf18("4","8","6","1","10","10","1") = "9"
    & skf18("4","8","6","2","1","1","1") = "7"
    & skf18("4","8","6","2","1","2","1") = "7"
    & skf18("4","8","6","2","1","3","1") = "7"
    & skf18("4","8","6","2","1","4","1") = "7"
    & skf18("4","8","6","2","1","5","1") = "7"
    & skf18("4","8","6","2","1","6","1") = "7"
    & skf18("4","8","6","2","1","7","1") = "7"
    & skf18("4","8","6","2","1","8","1") = "7"
    & skf18("4","8","6","2","1","9","1") = "8"
    & skf18("4","8","6","2","1","10","1") = "9"
    & skf18("4","8","6","2","2","1","1") = "7"
    & skf18("4","8","6","2","2","2","1") = "7"
    & skf18("4","8","6","2","2","3","1") = "7"
    & skf18("4","8","6","2","2","4","1") = "7"
    & skf18("4","8","6","2","2","5","1") = "7"
    & skf18("4","8","6","2","2","6","1") = "7"
    & skf18("4","8","6","2","2","7","1") = "7"
    & skf18("4","8","6","2","2","8","1") = "7"
    & skf18("4","8","6","2","2","9","1") = "8"
    & skf18("4","8","6","2","2","10","1") = "9"
    & skf18("4","8","6","2","3","1","1") = "7"
    & skf18("4","8","6","2","3","2","1") = "7"
    & skf18("4","8","6","2","3","3","1") = "7"
    & skf18("4","8","6","2","3","4","1") = "7"
    & skf18("4","8","6","2","3","5","1") = "7"
    & skf18("4","8","6","2","3","6","1") = "7"
    & skf18("4","8","6","2","3","7","1") = "7"
    & skf18("4","8","6","2","3","8","1") = "7"
    & skf18("4","8","6","2","3","9","1") = "8"
    & skf18("4","8","6","2","3","10","1") = "9"
    & skf18("4","8","6","2","4","1","1") = "7"
    & skf18("4","8","6","2","4","2","1") = "7"
    & skf18("4","8","6","2","4","3","1") = "7"
    & skf18("4","8","6","2","4","4","1") = "7"
    & skf18("4","8","6","2","4","5","1") = "7"
    & skf18("4","8","6","2","4","6","1") = "7"
    & skf18("4","8","6","2","4","7","1") = "7"
    & skf18("4","8","6","2","4","8","1") = "7"
    & skf18("4","8","6","2","4","9","1") = "8"
    & skf18("4","8","6","2","4","10","1") = "9"
    & skf18("4","8","6","2","5","1","1") = "7"
    & skf18("4","8","6","2","5","2","1") = "7"
    & skf18("4","8","6","2","5","3","1") = "7"
    & skf18("4","8","6","2","5","4","1") = "7"
    & skf18("4","8","6","2","5","5","1") = "7"
    & skf18("4","8","6","2","5","6","1") = "7"
    & skf18("4","8","6","2","5","7","1") = "7"
    & skf18("4","8","6","2","5","8","1") = "7"
    & skf18("4","8","6","2","5","9","1") = "8"
    & skf18("4","8","6","2","5","10","1") = "9"
    & skf18("4","8","6","2","6","1","1") = "7"
    & skf18("4","8","6","2","6","2","1") = "7"
    & skf18("4","8","6","2","6","3","1") = "7"
    & skf18("4","8","6","2","6","4","1") = "7"
    & skf18("4","8","6","2","6","5","1") = "7"
    & skf18("4","8","6","2","6","6","1") = "7"
    & skf18("4","8","6","2","6","7","1") = "7"
    & skf18("4","8","6","2","6","8","1") = "7"
    & skf18("4","8","6","2","6","9","1") = "8"
    & skf18("4","8","6","2","6","10","1") = "9"
    & skf18("4","8","6","2","7","1","1") = "7"
    & skf18("4","8","6","2","7","2","1") = "7"
    & skf18("4","8","6","2","7","3","1") = "7"
    & skf18("4","8","6","2","7","4","1") = "7"
    & skf18("4","8","6","2","7","5","1") = "7"
    & skf18("4","8","6","2","7","6","1") = "7"
    & skf18("4","8","6","2","7","7","1") = "7"
    & skf18("4","8","6","2","7","8","1") = "7"
    & skf18("4","8","6","2","7","9","1") = "8"
    & skf18("4","8","6","2","7","10","1") = "9"
    & skf18("4","8","6","2","8","1","1") = "7"
    & skf18("4","8","6","2","8","2","1") = "7"
    & skf18("4","8","6","2","8","3","1") = "7"
    & skf18("4","8","6","2","8","4","1") = "7"
    & skf18("4","8","6","2","8","5","1") = "7"
    & skf18("4","8","6","2","8","6","1") = "7"
    & skf18("4","8","6","2","8","7","1") = "7"
    & skf18("4","8","6","2","8","8","1") = "7"
    & skf18("4","8","6","2","8","9","1") = "8"
    & skf18("4","8","6","2","8","10","1") = "9"
    & skf18("4","8","6","2","9","1","1") = "8"
    & skf18("4","8","6","2","9","2","1") = "8"
    & skf18("4","8","6","2","9","3","1") = "8"
    & skf18("4","8","6","2","9","4","1") = "8"
    & skf18("4","8","6","2","9","5","1") = "8"
    & skf18("4","8","6","2","9","6","1") = "8"
    & skf18("4","8","6","2","9","7","1") = "8"
    & skf18("4","8","6","2","9","8","1") = "8"
    & skf18("4","8","6","2","9","9","1") = "8"
    & skf18("4","8","6","2","9","10","1") = "9"
    & skf18("4","8","6","2","10","1","1") = "9"
    & skf18("4","8","6","2","10","2","1") = "9"
    & skf18("4","8","6","2","10","3","1") = "9"
    & skf18("4","8","6","2","10","4","1") = "9"
    & skf18("4","8","6","2","10","5","1") = "9"
    & skf18("4","8","6","2","10","6","1") = "9"
    & skf18("4","8","6","2","10","7","1") = "9"
    & skf18("4","8","6","2","10","8","1") = "9"
    & skf18("4","8","6","2","10","9","1") = "9"
    & skf18("4","8","6","2","10","10","1") = "9"
    & skf18("4","8","6","3","1","1","1") = "7"
    & skf18("4","8","6","3","1","2","1") = "7"
    & skf18("4","8","6","3","1","3","1") = "7"
    & skf18("4","8","6","3","1","4","1") = "7"
    & skf18("4","8","6","3","1","5","1") = "7"
    & skf18("4","8","6","3","1","6","1") = "7"
    & skf18("4","8","6","3","1","7","1") = "7"
    & skf18("4","8","6","3","1","8","1") = "7"
    & skf18("4","8","6","3","1","9","1") = "8"
    & skf18("4","8","6","3","1","10","1") = "9"
    & skf18("4","8","6","3","2","1","1") = "7"
    & skf18("4","8","6","3","2","2","1") = "7"
    & skf18("4","8","6","3","2","3","1") = "7"
    & skf18("4","8","6","3","2","4","1") = "7"
    & skf18("4","8","6","3","2","5","1") = "7"
    & skf18("4","8","6","3","2","6","1") = "7"
    & skf18("4","8","6","3","2","7","1") = "7"
    & skf18("4","8","6","3","2","8","1") = "7"
    & skf18("4","8","6","3","2","9","1") = "8"
    & skf18("4","8","6","3","2","10","1") = "9"
    & skf18("4","8","6","3","3","1","1") = "7"
    & skf18("4","8","6","3","3","2","1") = "7"
    & skf18("4","8","6","3","3","3","1") = "7"
    & skf18("4","8","6","3","3","4","1") = "7"
    & skf18("4","8","6","3","3","5","1") = "7"
    & skf18("4","8","6","3","3","6","1") = "7"
    & skf18("4","8","6","3","3","7","1") = "7"
    & skf18("4","8","6","3","3","8","1") = "7"
    & skf18("4","8","6","3","3","9","1") = "8"
    & skf18("4","8","6","3","3","10","1") = "9"
    & skf18("4","8","6","3","4","1","1") = "7"
    & skf18("4","8","6","3","4","2","1") = "7"
    & skf18("4","8","6","3","4","3","1") = "7"
    & skf18("4","8","6","3","4","4","1") = "7"
    & skf18("4","8","6","3","4","5","1") = "7"
    & skf18("4","8","6","3","4","6","1") = "7"
    & skf18("4","8","6","3","4","7","1") = "7"
    & skf18("4","8","6","3","4","8","1") = "7"
    & skf18("4","8","6","3","4","9","1") = "8"
    & skf18("4","8","6","3","4","10","1") = "9"
    & skf18("4","8","6","3","5","1","1") = "7"
    & skf18("4","8","6","3","5","2","1") = "7"
    & skf18("4","8","6","3","5","3","1") = "7"
    & skf18("4","8","6","3","5","4","1") = "7"
    & skf18("4","8","6","3","5","5","1") = "7"
    & skf18("4","8","6","3","5","6","1") = "7"
    & skf18("4","8","6","3","5","7","1") = "7"
    & skf18("4","8","6","3","5","8","1") = "7"
    & skf18("4","8","6","3","5","9","1") = "8"
    & skf18("4","8","6","3","5","10","1") = "9"
    & skf18("4","8","6","3","6","1","1") = "7"
    & skf18("4","8","6","3","6","2","1") = "7"
    & skf18("4","8","6","3","6","3","1") = "7"
    & skf18("4","8","6","3","6","4","1") = "7"
    & skf18("4","8","6","3","6","5","1") = "7"
    & skf18("4","8","6","3","6","6","1") = "7"
    & skf18("4","8","6","3","6","7","1") = "7"
    & skf18("4","8","6","3","6","8","1") = "7"
    & skf18("4","8","6","3","6","9","1") = "8"
    & skf18("4","8","6","3","6","10","1") = "9"
    & skf18("4","8","6","3","7","1","1") = "7"
    & skf18("4","8","6","3","7","2","1") = "7"
    & skf18("4","8","6","3","7","3","1") = "7"
    & skf18("4","8","6","3","7","4","1") = "7"
    & skf18("4","8","6","3","7","5","1") = "7"
    & skf18("4","8","6","3","7","6","1") = "7"
    & skf18("4","8","6","3","7","7","1") = "7"
    & skf18("4","8","6","3","7","8","1") = "7"
    & skf18("4","8","6","3","7","9","1") = "8"
    & skf18("4","8","6","3","7","10","1") = "9"
    & skf18("4","8","6","3","8","1","1") = "7"
    & skf18("4","8","6","3","8","2","1") = "7"
    & skf18("4","8","6","3","8","3","1") = "7"
    & skf18("4","8","6","3","8","4","1") = "7"
    & skf18("4","8","6","3","8","5","1") = "7"
    & skf18("4","8","6","3","8","6","1") = "7"
    & skf18("4","8","6","3","8","7","1") = "7"
    & skf18("4","8","6","3","8","8","1") = "7"
    & skf18("4","8","6","3","8","9","1") = "8"
    & skf18("4","8","6","3","8","10","1") = "9"
    & skf18("4","8","6","3","9","1","1") = "8"
    & skf18("4","8","6","3","9","2","1") = "8"
    & skf18("4","8","6","3","9","3","1") = "8"
    & skf18("4","8","6","3","9","4","1") = "8"
    & skf18("4","8","6","3","9","5","1") = "8"
    & skf18("4","8","6","3","9","6","1") = "8"
    & skf18("4","8","6","3","9","7","1") = "8"
    & skf18("4","8","6","3","9","8","1") = "8"
    & skf18("4","8","6","3","9","9","1") = "8"
    & skf18("4","8","6","3","9","10","1") = "9"
    & skf18("4","8","6","3","10","1","1") = "9"
    & skf18("4","8","6","3","10","2","1") = "9"
    & skf18("4","8","6","3","10","3","1") = "9"
    & skf18("4","8","6","3","10","4","1") = "9"
    & skf18("4","8","6","3","10","5","1") = "9"
    & skf18("4","8","6","3","10","6","1") = "9"
    & skf18("4","8","6","3","10","7","1") = "9"
    & skf18("4","8","6","3","10","8","1") = "9"
    & skf18("4","8","6","3","10","9","1") = "9"
    & skf18("4","8","6","3","10","10","1") = "9"
    & skf18("4","8","6","4","1","1","1") = "7"
    & skf18("4","8","6","4","1","2","1") = "7"
    & skf18("4","8","6","4","1","3","1") = "7"
    & skf18("4","8","6","4","1","4","1") = "7"
    & skf18("4","8","6","4","1","5","1") = "7"
    & skf18("4","8","6","4","1","6","1") = "7"
    & skf18("4","8","6","4","1","7","1") = "7"
    & skf18("4","8","6","4","1","8","1") = "7"
    & skf18("4","8","6","4","1","9","1") = "8"
    & skf18("4","8","6","4","1","10","1") = "9"
    & skf18("4","8","6","4","2","1","1") = "7"
    & skf18("4","8","6","4","2","2","1") = "7"
    & skf18("4","8","6","4","2","3","1") = "7"
    & skf18("4","8","6","4","2","4","1") = "7"
    & skf18("4","8","6","4","2","5","1") = "7"
    & skf18("4","8","6","4","2","6","1") = "7"
    & skf18("4","8","6","4","2","7","1") = "7"
    & skf18("4","8","6","4","2","8","1") = "7"
    & skf18("4","8","6","4","2","9","1") = "8"
    & skf18("4","8","6","4","2","10","1") = "9"
    & skf18("4","8","6","4","3","1","1") = "7"
    & skf18("4","8","6","4","3","2","1") = "7"
    & skf18("4","8","6","4","3","3","1") = "7"
    & skf18("4","8","6","4","3","4","1") = "7"
    & skf18("4","8","6","4","3","5","1") = "7"
    & skf18("4","8","6","4","3","6","1") = "7"
    & skf18("4","8","6","4","3","7","1") = "7"
    & skf18("4","8","6","4","3","8","1") = "7"
    & skf18("4","8","6","4","3","9","1") = "8"
    & skf18("4","8","6","4","3","10","1") = "9"
    & skf18("4","8","6","4","4","1","1") = "7"
    & skf18("4","8","6","4","4","2","1") = "7"
    & skf18("4","8","6","4","4","3","1") = "7"
    & skf18("4","8","6","4","4","4","1") = "7"
    & skf18("4","8","6","4","4","5","1") = "7"
    & skf18("4","8","6","4","4","6","1") = "7"
    & skf18("4","8","6","4","4","7","1") = "7"
    & skf18("4","8","6","4","4","8","1") = "7"
    & skf18("4","8","6","4","4","9","1") = "8"
    & skf18("4","8","6","4","4","10","1") = "9"
    & skf18("4","8","6","4","5","1","1") = "7"
    & skf18("4","8","6","4","5","2","1") = "7"
    & skf18("4","8","6","4","5","3","1") = "7"
    & skf18("4","8","6","4","5","4","1") = "7"
    & skf18("4","8","6","4","5","5","1") = "7"
    & skf18("4","8","6","4","5","6","1") = "7"
    & skf18("4","8","6","4","5","7","1") = "7"
    & skf18("4","8","6","4","5","8","1") = "7"
    & skf18("4","8","6","4","5","9","1") = "8"
    & skf18("4","8","6","4","5","10","1") = "9"
    & skf18("4","8","6","4","6","1","1") = "7"
    & skf18("4","8","6","4","6","2","1") = "7"
    & skf18("4","8","6","4","6","3","1") = "7"
    & skf18("4","8","6","4","6","4","1") = "7"
    & skf18("4","8","6","4","6","5","1") = "7"
    & skf18("4","8","6","4","6","6","1") = "7"
    & skf18("4","8","6","4","6","7","1") = "7"
    & skf18("4","8","6","4","6","8","1") = "7"
    & skf18("4","8","6","4","6","9","1") = "8"
    & skf18("4","8","6","4","6","10","1") = "9"
    & skf18("4","8","6","4","7","1","1") = "7"
    & skf18("4","8","6","4","7","2","1") = "7"
    & skf18("4","8","6","4","7","3","1") = "7"
    & skf18("4","8","6","4","7","4","1") = "7"
    & skf18("4","8","6","4","7","5","1") = "7"
    & skf18("4","8","6","4","7","6","1") = "7"
    & skf18("4","8","6","4","7","7","1") = "7"
    & skf18("4","8","6","4","7","8","1") = "7"
    & skf18("4","8","6","4","7","9","1") = "8"
    & skf18("4","8","6","4","7","10","1") = "9"
    & skf18("4","8","6","4","8","1","1") = "7"
    & skf18("4","8","6","4","8","2","1") = "7"
    & skf18("4","8","6","4","8","3","1") = "7"
    & skf18("4","8","6","4","8","4","1") = "7"
    & skf18("4","8","6","4","8","5","1") = "7"
    & skf18("4","8","6","4","8","6","1") = "7"
    & skf18("4","8","6","4","8","7","1") = "7"
    & skf18("4","8","6","4","8","8","1") = "7"
    & skf18("4","8","6","4","8","9","1") = "8"
    & skf18("4","8","6","4","8","10","1") = "9"
    & skf18("4","8","6","4","9","1","1") = "8"
    & skf18("4","8","6","4","9","2","1") = "8"
    & skf18("4","8","6","4","9","3","1") = "8"
    & skf18("4","8","6","4","9","4","1") = "8"
    & skf18("4","8","6","4","9","5","1") = "8"
    & skf18("4","8","6","4","9","6","1") = "8"
    & skf18("4","8","6","4","9","7","1") = "8"
    & skf18("4","8","6","4","9","8","1") = "8"
    & skf18("4","8","6","4","9","9","1") = "8"
    & skf18("4","8","6","4","9","10","1") = "9"
    & skf18("4","8","6","4","10","1","1") = "9"
    & skf18("4","8","6","4","10","2","1") = "9"
    & skf18("4","8","6","4","10","3","1") = "9"
    & skf18("4","8","6","4","10","4","1") = "9"
    & skf18("4","8","6","4","10","5","1") = "9"
    & skf18("4","8","6","4","10","6","1") = "9"
    & skf18("4","8","6","4","10","7","1") = "9"
    & skf18("4","8","6","4","10","8","1") = "9"
    & skf18("4","8","6","4","10","9","1") = "9"
    & skf18("4","8","6","4","10","10","1") = "9"
    & skf18("4","8","6","5","1","1","1") = "7"
    & skf18("4","8","6","5","1","2","1") = "7"
    & skf18("4","8","6","5","1","3","1") = "7"
    & skf18("4","8","6","5","1","4","1") = "7"
    & skf18("4","8","6","5","1","5","1") = "7"
    & skf18("4","8","6","5","1","6","1") = "7"
    & skf18("4","8","6","5","1","7","1") = "7"
    & skf18("4","8","6","5","1","8","1") = "7"
    & skf18("4","8","6","5","1","9","1") = "8"
    & skf18("4","8","6","5","1","10","1") = "9"
    & skf18("4","8","6","5","2","1","1") = "7"
    & skf18("4","8","6","5","2","2","1") = "7"
    & skf18("4","8","6","5","2","3","1") = "7"
    & skf18("4","8","6","5","2","4","1") = "7"
    & skf18("4","8","6","5","2","5","1") = "7"
    & skf18("4","8","6","5","2","6","1") = "7"
    & skf18("4","8","6","5","2","7","1") = "7"
    & skf18("4","8","6","5","2","8","1") = "7"
    & skf18("4","8","6","5","2","9","1") = "8"
    & skf18("4","8","6","5","2","10","1") = "9"
    & skf18("4","8","6","5","3","1","1") = "7"
    & skf18("4","8","6","5","3","2","1") = "7"
    & skf18("4","8","6","5","3","3","1") = "7"
    & skf18("4","8","6","5","3","4","1") = "7"
    & skf18("4","8","6","5","3","5","1") = "7"
    & skf18("4","8","6","5","3","6","1") = "7"
    & skf18("4","8","6","5","3","7","1") = "7"
    & skf18("4","8","6","5","3","8","1") = "7"
    & skf18("4","8","6","5","3","9","1") = "8"
    & skf18("4","8","6","5","3","10","1") = "9"
    & skf18("4","8","6","5","4","1","1") = "7"
    & skf18("4","8","6","5","4","2","1") = "7"
    & skf18("4","8","6","5","4","3","1") = "7"
    & skf18("4","8","6","5","4","4","1") = "7"
    & skf18("4","8","6","5","4","5","1") = "7"
    & skf18("4","8","6","5","4","6","1") = "7"
    & skf18("4","8","6","5","4","7","1") = "7"
    & skf18("4","8","6","5","4","8","1") = "7"
    & skf18("4","8","6","5","4","9","1") = "8"
    & skf18("4","8","6","5","4","10","1") = "9"
    & skf18("4","8","6","5","5","1","1") = "7"
    & skf18("4","8","6","5","5","2","1") = "7"
    & skf18("4","8","6","5","5","3","1") = "7"
    & skf18("4","8","6","5","5","4","1") = "7"
    & skf18("4","8","6","5","5","5","1") = "7"
    & skf18("4","8","6","5","5","6","1") = "7"
    & skf18("4","8","6","5","5","7","1") = "7"
    & skf18("4","8","6","5","5","8","1") = "7"
    & skf18("4","8","6","5","5","9","1") = "8"
    & skf18("4","8","6","5","5","10","1") = "9"
    & skf18("4","8","6","5","6","1","1") = "7"
    & skf18("4","8","6","5","6","2","1") = "7"
    & skf18("4","8","6","5","6","3","1") = "7"
    & skf18("4","8","6","5","6","4","1") = "7"
    & skf18("4","8","6","5","6","5","1") = "7"
    & skf18("4","8","6","5","6","6","1") = "7"
    & skf18("4","8","6","5","6","7","1") = "7"
    & skf18("4","8","6","5","6","8","1") = "7"
    & skf18("4","8","6","5","6","9","1") = "8"
    & skf18("4","8","6","5","6","10","1") = "9"
    & skf18("4","8","6","5","7","1","1") = "7"
    & skf18("4","8","6","5","7","2","1") = "7"
    & skf18("4","8","6","5","7","3","1") = "7"
    & skf18("4","8","6","5","7","4","1") = "7"
    & skf18("4","8","6","5","7","5","1") = "7"
    & skf18("4","8","6","5","7","6","1") = "7"
    & skf18("4","8","6","5","7","7","1") = "7"
    & skf18("4","8","6","5","7","8","1") = "7"
    & skf18("4","8","6","5","7","9","1") = "8"
    & skf18("4","8","6","5","7","10","1") = "9"
    & skf18("4","8","6","5","8","1","1") = "7"
    & skf18("4","8","6","5","8","2","1") = "7"
    & skf18("4","8","6","5","8","3","1") = "7"
    & skf18("4","8","6","5","8","4","1") = "7"
    & skf18("4","8","6","5","8","5","1") = "7"
    & skf18("4","8","6","5","8","6","1") = "7"
    & skf18("4","8","6","5","8","7","1") = "7"
    & skf18("4","8","6","5","8","8","1") = "7"
    & skf18("4","8","6","5","8","9","1") = "8"
    & skf18("4","8","6","5","8","10","1") = "9"
    & skf18("4","8","6","5","9","1","1") = "8"
    & skf18("4","8","6","5","9","2","1") = "8"
    & skf18("4","8","6","5","9","3","1") = "8"
    & skf18("4","8","6","5","9","4","1") = "8"
    & skf18("4","8","6","5","9","5","1") = "8"
    & skf18("4","8","6","5","9","6","1") = "8"
    & skf18("4","8","6","5","9","7","1") = "8"
    & skf18("4","8","6","5","9","8","1") = "8"
    & skf18("4","8","6","5","9","9","1") = "8"
    & skf18("4","8","6","5","9","10","1") = "9"
    & skf18("4","8","6","5","10","1","1") = "9"
    & skf18("4","8","6","5","10","2","1") = "9"
    & skf18("4","8","6","5","10","3","1") = "9"
    & skf18("4","8","6","5","10","4","1") = "9"
    & skf18("4","8","6","5","10","5","1") = "9"
    & skf18("4","8","6","5","10","6","1") = "9"
    & skf18("4","8","6","5","10","7","1") = "9"
    & skf18("4","8","6","5","10","8","1") = "9"
    & skf18("4","8","6","5","10","9","1") = "9"
    & skf18("4","8","6","5","10","10","1") = "9"
    & skf18("4","8","6","6","1","1","1") = "7"
    & skf18("4","8","6","6","1","2","1") = "7"
    & skf18("4","8","6","6","1","3","1") = "7"
    & skf18("4","8","6","6","1","4","1") = "7"
    & skf18("4","8","6","6","1","5","1") = "7"
    & skf18("4","8","6","6","1","6","1") = "7"
    & skf18("4","8","6","6","1","7","1") = "7"
    & skf18("4","8","6","6","1","8","1") = "7"
    & skf18("4","8","6","6","1","9","1") = "8"
    & skf18("4","8","6","6","1","10","1") = "9"
    & skf18("4","8","6","6","2","1","1") = "7"
    & skf18("4","8","6","6","2","2","1") = "7"
    & skf18("4","8","6","6","2","3","1") = "7"
    & skf18("4","8","6","6","2","4","1") = "7"
    & skf18("4","8","6","6","2","5","1") = "7"
    & skf18("4","8","6","6","2","6","1") = "7"
    & skf18("4","8","6","6","2","7","1") = "7"
    & skf18("4","8","6","6","2","8","1") = "7"
    & skf18("4","8","6","6","2","9","1") = "8"
    & skf18("4","8","6","6","2","10","1") = "9"
    & skf18("4","8","6","6","3","1","1") = "7"
    & skf18("4","8","6","6","3","2","1") = "7"
    & skf18("4","8","6","6","3","3","1") = "7"
    & skf18("4","8","6","6","3","4","1") = "7"
    & skf18("4","8","6","6","3","5","1") = "7"
    & skf18("4","8","6","6","3","6","1") = "7"
    & skf18("4","8","6","6","3","7","1") = "7"
    & skf18("4","8","6","6","3","8","1") = "7"
    & skf18("4","8","6","6","3","9","1") = "8"
    & skf18("4","8","6","6","3","10","1") = "9"
    & skf18("4","8","6","6","4","1","1") = "7"
    & skf18("4","8","6","6","4","2","1") = "7"
    & skf18("4","8","6","6","4","3","1") = "7"
    & skf18("4","8","6","6","4","4","1") = "7"
    & skf18("4","8","6","6","4","5","1") = "7"
    & skf18("4","8","6","6","4","6","1") = "7"
    & skf18("4","8","6","6","4","7","1") = "7"
    & skf18("4","8","6","6","4","8","1") = "7"
    & skf18("4","8","6","6","4","9","1") = "8"
    & skf18("4","8","6","6","4","10","1") = "9"
    & skf18("4","8","6","6","5","1","1") = "7"
    & skf18("4","8","6","6","5","2","1") = "7"
    & skf18("4","8","6","6","5","3","1") = "7"
    & skf18("4","8","6","6","5","4","1") = "7"
    & skf18("4","8","6","6","5","5","1") = "7"
    & skf18("4","8","6","6","5","6","1") = "7"
    & skf18("4","8","6","6","5","7","1") = "7"
    & skf18("4","8","6","6","5","8","1") = "7"
    & skf18("4","8","6","6","5","9","1") = "8"
    & skf18("4","8","6","6","5","10","1") = "9"
    & skf18("4","8","6","6","6","1","1") = "7"
    & skf18("4","8","6","6","6","2","1") = "7"
    & skf18("4","8","6","6","6","3","1") = "7"
    & skf18("4","8","6","6","6","4","1") = "7"
    & skf18("4","8","6","6","6","5","1") = "7"
    & skf18("4","8","6","6","6","6","1") = "7"
    & skf18("4","8","6","6","6","7","1") = "7"
    & skf18("4","8","6","6","6","8","1") = "7"
    & skf18("4","8","6","6","6","9","1") = "8"
    & skf18("4","8","6","6","6","10","1") = "9"
    & skf18("4","8","6","6","7","1","1") = "7"
    & skf18("4","8","6","6","7","2","1") = "7"
    & skf18("4","8","6","6","7","3","1") = "7"
    & skf18("4","8","6","6","7","4","1") = "7"
    & skf18("4","8","6","6","7","5","1") = "7"
    & skf18("4","8","6","6","7","6","1") = "7"
    & skf18("4","8","6","6","7","7","1") = "7"
    & skf18("4","8","6","6","7","8","1") = "7"
    & skf18("4","8","6","6","7","9","1") = "8"
    & skf18("4","8","6","6","7","10","1") = "9"
    & skf18("4","8","6","6","8","1","1") = "7"
    & skf18("4","8","6","6","8","2","1") = "7"
    & skf18("4","8","6","6","8","3","1") = "7"
    & skf18("4","8","6","6","8","4","1") = "7"
    & skf18("4","8","6","6","8","5","1") = "7"
    & skf18("4","8","6","6","8","6","1") = "7"
    & skf18("4","8","6","6","8","7","1") = "7"
    & skf18("4","8","6","6","8","8","1") = "7"
    & skf18("4","8","6","6","8","9","1") = "8"
    & skf18("4","8","6","6","8","10","1") = "9"
    & skf18("4","8","6","6","9","1","1") = "8"
    & skf18("4","8","6","6","9","2","1") = "8"
    & skf18("4","8","6","6","9","3","1") = "8"
    & skf18("4","8","6","6","9","4","1") = "8"
    & skf18("4","8","6","6","9","5","1") = "8"
    & skf18("4","8","6","6","9","6","1") = "8"
    & skf18("4","8","6","6","9","7","1") = "8"
    & skf18("4","8","6","6","9","8","1") = "8"
    & skf18("4","8","6","6","9","9","1") = "8"
    & skf18("4","8","6","6","9","10","1") = "9"
    & skf18("4","8","6","6","10","1","1") = "9"
    & skf18("4","8","6","6","10","2","1") = "9"
    & skf18("4","8","6","6","10","3","1") = "9"
    & skf18("4","8","6","6","10","4","1") = "9"
    & skf18("4","8","6","6","10","5","1") = "9"
    & skf18("4","8","6","6","10","6","1") = "9"
    & skf18("4","8","6","6","10","7","1") = "9"
    & skf18("4","8","6","6","10","8","1") = "9"
    & skf18("4","8","6","6","10","9","1") = "9"
    & skf18("4","8","6","6","10","10","1") = "9"
    & skf18("4","8","6","7","1","1","1") = "7"
    & skf18("4","8","6","7","1","2","1") = "7"
    & skf18("4","8","6","7","1","3","1") = "7"
    & skf18("4","8","6","7","1","4","1") = "7"
    & skf18("4","8","6","7","1","5","1") = "7"
    & skf18("4","8","6","7","1","6","1") = "7"
    & skf18("4","8","6","7","1","7","1") = "7"
    & skf18("4","8","6","7","1","8","1") = "7"
    & skf18("4","8","6","7","1","9","1") = "8"
    & skf18("4","8","6","7","1","10","1") = "9"
    & skf18("4","8","6","7","2","1","1") = "7"
    & skf18("4","8","6","7","2","2","1") = "7"
    & skf18("4","8","6","7","2","3","1") = "7"
    & skf18("4","8","6","7","2","4","1") = "7"
    & skf18("4","8","6","7","2","5","1") = "7"
    & skf18("4","8","6","7","2","6","1") = "7"
    & skf18("4","8","6","7","2","7","1") = "7"
    & skf18("4","8","6","7","2","8","1") = "7"
    & skf18("4","8","6","7","2","9","1") = "8"
    & skf18("4","8","6","7","2","10","1") = "9"
    & skf18("4","8","6","7","3","1","1") = "7"
    & skf18("4","8","6","7","3","2","1") = "7"
    & skf18("4","8","6","7","3","3","1") = "7"
    & skf18("4","8","6","7","3","4","1") = "7"
    & skf18("4","8","6","7","3","5","1") = "7"
    & skf18("4","8","6","7","3","6","1") = "7"
    & skf18("4","8","6","7","3","7","1") = "7"
    & skf18("4","8","6","7","3","8","1") = "7"
    & skf18("4","8","6","7","3","9","1") = "8"
    & skf18("4","8","6","7","3","10","1") = "9"
    & skf18("4","8","6","7","4","1","1") = "7"
    & skf18("4","8","6","7","4","2","1") = "7"
    & skf18("4","8","6","7","4","3","1") = "7"
    & skf18("4","8","6","7","4","4","1") = "7"
    & skf18("4","8","6","7","4","5","1") = "7"
    & skf18("4","8","6","7","4","6","1") = "7"
    & skf18("4","8","6","7","4","7","1") = "7"
    & skf18("4","8","6","7","4","8","1") = "7"
    & skf18("4","8","6","7","4","9","1") = "8"
    & skf18("4","8","6","7","4","10","1") = "9"
    & skf18("4","8","6","7","5","1","1") = "7"
    & skf18("4","8","6","7","5","2","1") = "7"
    & skf18("4","8","6","7","5","3","1") = "7"
    & skf18("4","8","6","7","5","4","1") = "7"
    & skf18("4","8","6","7","5","5","1") = "7"
    & skf18("4","8","6","7","5","6","1") = "7"
    & skf18("4","8","6","7","5","7","1") = "7"
    & skf18("4","8","6","7","5","8","1") = "7"
    & skf18("4","8","6","7","5","9","1") = "8"
    & skf18("4","8","6","7","5","10","1") = "9"
    & skf18("4","8","6","7","6","1","1") = "7"
    & skf18("4","8","6","7","6","2","1") = "7"
    & skf18("4","8","6","7","6","3","1") = "7"
    & skf18("4","8","6","7","6","4","1") = "7"
    & skf18("4","8","6","7","6","5","1") = "7"
    & skf18("4","8","6","7","6","6","1") = "7"
    & skf18("4","8","6","7","6","7","1") = "7"
    & skf18("4","8","6","7","6","8","1") = "7"
    & skf18("4","8","6","7","6","9","1") = "8"
    & skf18("4","8","6","7","6","10","1") = "9"
    & skf18("4","8","6","7","7","1","1") = "7"
    & skf18("4","8","6","7","7","2","1") = "7"
    & skf18("4","8","6","7","7","3","1") = "7"
    & skf18("4","8","6","7","7","4","1") = "7"
    & skf18("4","8","6","7","7","5","1") = "7"
    & skf18("4","8","6","7","7","6","1") = "7"
    & skf18("4","8","6","7","7","7","1") = "7"
    & skf18("4","8","6","7","7","8","1") = "7"
    & skf18("4","8","6","7","7","9","1") = "8"
    & skf18("4","8","6","7","7","10","1") = "9"
    & skf18("4","8","6","7","8","1","1") = "7"
    & skf18("4","8","6","7","8","2","1") = "7"
    & skf18("4","8","6","7","8","3","1") = "7"
    & skf18("4","8","6","7","8","4","1") = "7"
    & skf18("4","8","6","7","8","5","1") = "7"
    & skf18("4","8","6","7","8","6","1") = "7"
    & skf18("4","8","6","7","8","7","1") = "7"
    & skf18("4","8","6","7","8","8","1") = "7"
    & skf18("4","8","6","7","8","9","1") = "8"
    & skf18("4","8","6","7","8","10","1") = "9"
    & skf18("4","8","6","7","9","1","1") = "8"
    & skf18("4","8","6","7","9","2","1") = "8"
    & skf18("4","8","6","7","9","3","1") = "8"
    & skf18("4","8","6","7","9","4","1") = "8"
    & skf18("4","8","6","7","9","5","1") = "8"
    & skf18("4","8","6","7","9","6","1") = "8"
    & skf18("4","8","6","7","9","7","1") = "8"
    & skf18("4","8","6","7","9","8","1") = "8"
    & skf18("4","8","6","7","9","9","1") = "8"
    & skf18("4","8","6","7","9","10","1") = "9"
    & skf18("4","8","6","7","10","1","1") = "9"
    & skf18("4","8","6","7","10","2","1") = "9"
    & skf18("4","8","6","7","10","3","1") = "9"
    & skf18("4","8","6","7","10","4","1") = "9"
    & skf18("4","8","6","7","10","5","1") = "9"
    & skf18("4","8","6","7","10","6","1") = "9"
    & skf18("4","8","6","7","10","7","1") = "9"
    & skf18("4","8","6","7","10","8","1") = "9"
    & skf18("4","8","6","7","10","9","1") = "9"
    & skf18("4","8","6","7","10","10","1") = "9"
    & skf18("4","8","6","8","1","1","1") = "7"
    & skf18("4","8","6","8","1","2","1") = "7"
    & skf18("4","8","6","8","1","3","1") = "7"
    & skf18("4","8","6","8","1","4","1") = "7"
    & skf18("4","8","6","8","1","5","1") = "7"
    & skf18("4","8","6","8","1","6","1") = "7"
    & skf18("4","8","6","8","1","7","1") = "7"
    & skf18("4","8","6","8","1","8","1") = "7"
    & skf18("4","8","6","8","1","9","1") = "8"
    & skf18("4","8","6","8","1","10","1") = "9"
    & skf18("4","8","6","8","2","1","1") = "7"
    & skf18("4","8","6","8","2","2","1") = "7"
    & skf18("4","8","6","8","2","3","1") = "7"
    & skf18("4","8","6","8","2","4","1") = "7"
    & skf18("4","8","6","8","2","5","1") = "7"
    & skf18("4","8","6","8","2","6","1") = "7"
    & skf18("4","8","6","8","2","7","1") = "7"
    & skf18("4","8","6","8","2","8","1") = "7"
    & skf18("4","8","6","8","2","9","1") = "8"
    & skf18("4","8","6","8","2","10","1") = "9"
    & skf18("4","8","6","8","3","1","1") = "7"
    & skf18("4","8","6","8","3","2","1") = "7"
    & skf18("4","8","6","8","3","3","1") = "7"
    & skf18("4","8","6","8","3","4","1") = "7"
    & skf18("4","8","6","8","3","5","1") = "7"
    & skf18("4","8","6","8","3","6","1") = "7"
    & skf18("4","8","6","8","3","7","1") = "7"
    & skf18("4","8","6","8","3","8","1") = "7"
    & skf18("4","8","6","8","3","9","1") = "8"
    & skf18("4","8","6","8","3","10","1") = "9"
    & skf18("4","8","6","8","4","1","1") = "7"
    & skf18("4","8","6","8","4","2","1") = "7"
    & skf18("4","8","6","8","4","3","1") = "7"
    & skf18("4","8","6","8","4","4","1") = "7"
    & skf18("4","8","6","8","4","5","1") = "7"
    & skf18("4","8","6","8","4","6","1") = "7"
    & skf18("4","8","6","8","4","7","1") = "7"
    & skf18("4","8","6","8","4","8","1") = "7"
    & skf18("4","8","6","8","4","9","1") = "8"
    & skf18("4","8","6","8","4","10","1") = "9"
    & skf18("4","8","6","8","5","1","1") = "7"
    & skf18("4","8","6","8","5","2","1") = "7"
    & skf18("4","8","6","8","5","3","1") = "7"
    & skf18("4","8","6","8","5","4","1") = "7"
    & skf18("4","8","6","8","5","5","1") = "7"
    & skf18("4","8","6","8","5","6","1") = "7"
    & skf18("4","8","6","8","5","7","1") = "7"
    & skf18("4","8","6","8","5","8","1") = "7"
    & skf18("4","8","6","8","5","9","1") = "8"
    & skf18("4","8","6","8","5","10","1") = "9"
    & skf18("4","8","6","8","6","1","1") = "7"
    & skf18("4","8","6","8","6","2","1") = "7"
    & skf18("4","8","6","8","6","3","1") = "7"
    & skf18("4","8","6","8","6","4","1") = "7"
    & skf18("4","8","6","8","6","5","1") = "7"
    & skf18("4","8","6","8","6","6","1") = "7"
    & skf18("4","8","6","8","6","7","1") = "7"
    & skf18("4","8","6","8","6","8","1") = "7"
    & skf18("4","8","6","8","6","9","1") = "8"
    & skf18("4","8","6","8","6","10","1") = "9"
    & skf18("4","8","6","8","7","1","1") = "7"
    & skf18("4","8","6","8","7","2","1") = "7"
    & skf18("4","8","6","8","7","3","1") = "7"
    & skf18("4","8","6","8","7","4","1") = "7"
    & skf18("4","8","6","8","7","5","1") = "7"
    & skf18("4","8","6","8","7","6","1") = "7"
    & skf18("4","8","6","8","7","7","1") = "7"
    & skf18("4","8","6","8","7","8","1") = "7"
    & skf18("4","8","6","8","7","9","1") = "8"
    & skf18("4","8","6","8","7","10","1") = "9"
    & skf18("4","8","6","8","8","1","1") = "7"
    & skf18("4","8","6","8","8","2","1") = "7"
    & skf18("4","8","6","8","8","3","1") = "7"
    & skf18("4","8","6","8","8","4","1") = "7"
    & skf18("4","8","6","8","8","5","1") = "7"
    & skf18("4","8","6","8","8","6","1") = "7"
    & skf18("4","8","6","8","8","7","1") = "7"
    & skf18("4","8","6","8","8","8","1") = "7"
    & skf18("4","8","6","8","8","9","1") = "8"
    & skf18("4","8","6","8","8","10","1") = "9"
    & skf18("4","8","6","8","9","1","1") = "8"
    & skf18("4","8","6","8","9","2","1") = "8"
    & skf18("4","8","6","8","9","3","1") = "8"
    & skf18("4","8","6","8","9","4","1") = "8"
    & skf18("4","8","6","8","9","5","1") = "8"
    & skf18("4","8","6","8","9","6","1") = "8"
    & skf18("4","8","6","8","9","7","1") = "8"
    & skf18("4","8","6","8","9","8","1") = "8"
    & skf18("4","8","6","8","9","9","1") = "8"
    & skf18("4","8","6","8","9","10","1") = "9"
    & skf18("4","8","6","8","10","1","1") = "9"
    & skf18("4","8","6","8","10","2","1") = "9"
    & skf18("4","8","6","8","10","3","1") = "9"
    & skf18("4","8","6","8","10","4","1") = "9"
    & skf18("4","8","6","8","10","5","1") = "9"
    & skf18("4","8","6","8","10","6","1") = "9"
    & skf18("4","8","6","8","10","7","1") = "9"
    & skf18("4","8","6","8","10","8","1") = "9"
    & skf18("4","8","6","8","10","9","1") = "9"
    & skf18("4","8","6","8","10","10","1") = "9"
    & skf18("4","8","6","9","1","1","1") = "8"
    & skf18("4","8","6","9","1","2","1") = "8"
    & skf18("4","8","6","9","1","3","1") = "8"
    & skf18("4","8","6","9","1","4","1") = "8"
    & skf18("4","8","6","9","1","5","1") = "8"
    & skf18("4","8","6","9","1","6","1") = "8"
    & skf18("4","8","6","9","1","7","1") = "8"
    & skf18("4","8","6","9","1","8","1") = "8"
    & skf18("4","8","6","9","1","9","1") = "8"
    & skf18("4","8","6","9","1","10","1") = "9"
    & skf18("4","8","6","9","2","1","1") = "8"
    & skf18("4","8","6","9","2","2","1") = "8"
    & skf18("4","8","6","9","2","3","1") = "8"
    & skf18("4","8","6","9","2","4","1") = "8"
    & skf18("4","8","6","9","2","5","1") = "8"
    & skf18("4","8","6","9","2","6","1") = "8"
    & skf18("4","8","6","9","2","7","1") = "8"
    & skf18("4","8","6","9","2","8","1") = "8"
    & skf18("4","8","6","9","2","9","1") = "8"
    & skf18("4","8","6","9","2","10","1") = "9"
    & skf18("4","8","6","9","3","1","1") = "8"
    & skf18("4","8","6","9","3","2","1") = "8"
    & skf18("4","8","6","9","3","3","1") = "8"
    & skf18("4","8","6","9","3","4","1") = "8"
    & skf18("4","8","6","9","3","5","1") = "8"
    & skf18("4","8","6","9","3","6","1") = "8"
    & skf18("4","8","6","9","3","7","1") = "8"
    & skf18("4","8","6","9","3","8","1") = "8"
    & skf18("4","8","6","9","3","9","1") = "8"
    & skf18("4","8","6","9","3","10","1") = "9"
    & skf18("4","8","6","9","4","1","1") = "8"
    & skf18("4","8","6","9","4","2","1") = "8"
    & skf18("4","8","6","9","4","3","1") = "8"
    & skf18("4","8","6","9","4","4","1") = "8"
    & skf18("4","8","6","9","4","5","1") = "8"
    & skf18("4","8","6","9","4","6","1") = "8"
    & skf18("4","8","6","9","4","7","1") = "8"
    & skf18("4","8","6","9","4","8","1") = "8"
    & skf18("4","8","6","9","4","9","1") = "8"
    & skf18("4","8","6","9","4","10","1") = "9"
    & skf18("4","8","6","9","5","1","1") = "8"
    & skf18("4","8","6","9","5","2","1") = "8"
    & skf18("4","8","6","9","5","3","1") = "8"
    & skf18("4","8","6","9","5","4","1") = "8"
    & skf18("4","8","6","9","5","5","1") = "8"
    & skf18("4","8","6","9","5","6","1") = "8"
    & skf18("4","8","6","9","5","7","1") = "8"
    & skf18("4","8","6","9","5","8","1") = "8"
    & skf18("4","8","6","9","5","9","1") = "8"
    & skf18("4","8","6","9","5","10","1") = "9"
    & skf18("4","8","6","9","6","1","1") = "8"
    & skf18("4","8","6","9","6","2","1") = "8"
    & skf18("4","8","6","9","6","3","1") = "8"
    & skf18("4","8","6","9","6","4","1") = "8"
    & skf18("4","8","6","9","6","5","1") = "8"
    & skf18("4","8","6","9","6","6","1") = "8"
    & skf18("4","8","6","9","6","7","1") = "8"
    & skf18("4","8","6","9","6","8","1") = "8"
    & skf18("4","8","6","9","6","9","1") = "8"
    & skf18("4","8","6","9","6","10","1") = "9"
    & skf18("4","8","6","9","7","1","1") = "8"
    & skf18("4","8","6","9","7","2","1") = "8"
    & skf18("4","8","6","9","7","3","1") = "8"
    & skf18("4","8","6","9","7","4","1") = "8"
    & skf18("4","8","6","9","7","5","1") = "8"
    & skf18("4","8","6","9","7","6","1") = "8"
    & skf18("4","8","6","9","7","7","1") = "8"
    & skf18("4","8","6","9","7","8","1") = "8"
    & skf18("4","8","6","9","7","9","1") = "8"
    & skf18("4","8","6","9","7","10","1") = "9"
    & skf18("4","8","6","9","8","1","1") = "8"
    & skf18("4","8","6","9","8","2","1") = "8"
    & skf18("4","8","6","9","8","3","1") = "8"
    & skf18("4","8","6","9","8","4","1") = "8"
    & skf18("4","8","6","9","8","5","1") = "8"
    & skf18("4","8","6","9","8","6","1") = "8"
    & skf18("4","8","6","9","8","7","1") = "8"
    & skf18("4","8","6","9","8","8","1") = "8"
    & skf18("4","8","6","9","8","9","1") = "8"
    & skf18("4","8","6","9","8","10","1") = "9"
    & skf18("4","8","6","9","9","1","1") = "8"
    & skf18("4","8","6","9","9","2","1") = "8"
    & skf18("4","8","6","9","9","3","1") = "8"
    & skf18("4","8","6","9","9","4","1") = "8"
    & skf18("4","8","6","9","9","5","1") = "8"
    & skf18("4","8","6","9","9","6","1") = "8"
    & skf18("4","8","6","9","9","7","1") = "8"
    & skf18("4","8","6","9","9","8","1") = "8"
    & skf18("4","8","6","9","9","9","1") = "8"
    & skf18("4","8","6","9","9","10","1") = "9"
    & skf18("4","8","6","9","10","1","1") = "9"
    & skf18("4","8","6","9","10","2","1") = "9"
    & skf18("4","8","6","9","10","3","1") = "9"
    & skf18("4","8","6","9","10","4","1") = "9"
    & skf18("4","8","6","9","10","5","1") = "9"
    & skf18("4","8","6","9","10","6","1") = "9"
    & skf18("4","8","6","9","10","7","1") = "9"
    & skf18("4","8","6","9","10","8","1") = "9"
    & skf18("4","8","6","9","10","9","1") = "9"
    & skf18("4","8","6","9","10","10","1") = "9"
    & skf18("4","8","6","10","1","1","1") = "9"
    & skf18("4","8","6","10","1","2","1") = "9"
    & skf18("4","8","6","10","1","3","1") = "9"
    & skf18("4","8","6","10","1","4","1") = "9"
    & skf18("4","8","6","10","1","5","1") = "9"
    & skf18("4","8","6","10","1","6","1") = "9"
    & skf18("4","8","6","10","1","7","1") = "9"
    & skf18("4","8","6","10","1","8","1") = "9"
    & skf18("4","8","6","10","1","9","1") = "9"
    & skf18("4","8","6","10","1","10","1") = "9"
    & skf18("4","8","6","10","2","1","1") = "9"
    & skf18("4","8","6","10","2","2","1") = "9"
    & skf18("4","8","6","10","2","3","1") = "9"
    & skf18("4","8","6","10","2","4","1") = "9"
    & skf18("4","8","6","10","2","5","1") = "9"
    & skf18("4","8","6","10","2","6","1") = "9"
    & skf18("4","8","6","10","2","7","1") = "9"
    & skf18("4","8","6","10","2","8","1") = "9"
    & skf18("4","8","6","10","2","9","1") = "9"
    & skf18("4","8","6","10","2","10","1") = "9"
    & skf18("4","8","6","10","3","1","1") = "9"
    & skf18("4","8","6","10","3","2","1") = "9"
    & skf18("4","8","6","10","3","3","1") = "9"
    & skf18("4","8","6","10","3","4","1") = "9"
    & skf18("4","8","6","10","3","5","1") = "9"
    & skf18("4","8","6","10","3","6","1") = "9"
    & skf18("4","8","6","10","3","7","1") = "9"
    & skf18("4","8","6","10","3","8","1") = "9"
    & skf18("4","8","6","10","3","9","1") = "9"
    & skf18("4","8","6","10","3","10","1") = "9"
    & skf18("4","8","6","10","4","1","1") = "9"
    & skf18("4","8","6","10","4","2","1") = "9"
    & skf18("4","8","6","10","4","3","1") = "9"
    & skf18("4","8","6","10","4","4","1") = "9"
    & skf18("4","8","6","10","4","5","1") = "9"
    & skf18("4","8","6","10","4","6","1") = "9"
    & skf18("4","8","6","10","4","7","1") = "9"
    & skf18("4","8","6","10","4","8","1") = "9"
    & skf18("4","8","6","10","4","9","1") = "9"
    & skf18("4","8","6","10","4","10","1") = "9"
    & skf18("4","8","6","10","5","1","1") = "9"
    & skf18("4","8","6","10","5","2","1") = "9"
    & skf18("4","8","6","10","5","3","1") = "9"
    & skf18("4","8","6","10","5","4","1") = "9"
    & skf18("4","8","6","10","5","5","1") = "9"
    & skf18("4","8","6","10","5","6","1") = "9"
    & skf18("4","8","6","10","5","7","1") = "9"
    & skf18("4","8","6","10","5","8","1") = "9"
    & skf18("4","8","6","10","5","9","1") = "9"
    & skf18("4","8","6","10","5","10","1") = "9"
    & skf18("4","8","6","10","6","1","1") = "9"
    & skf18("4","8","6","10","6","2","1") = "9"
    & skf18("4","8","6","10","6","3","1") = "9"
    & skf18("4","8","6","10","6","4","1") = "9"
    & skf18("4","8","6","10","6","5","1") = "9"
    & skf18("4","8","6","10","6","6","1") = "9"
    & skf18("4","8","6","10","6","7","1") = "9"
    & skf18("4","8","6","10","6","8","1") = "9"
    & skf18("4","8","6","10","6","9","1") = "9"
    & skf18("4","8","6","10","6","10","1") = "9"
    & skf18("4","8","6","10","7","1","1") = "9"
    & skf18("4","8","6","10","7","2","1") = "9"
    & skf18("4","8","6","10","7","3","1") = "9"
    & skf18("4","8","6","10","7","4","1") = "9"
    & skf18("4","8","6","10","7","5","1") = "9"
    & skf18("4","8","6","10","7","6","1") = "9"
    & skf18("4","8","6","10","7","7","1") = "9"
    & skf18("4","8","6","10","7","8","1") = "9"
    & skf18("4","8","6","10","7","9","1") = "9"
    & skf18("4","8","6","10","7","10","1") = "9"
    & skf18("4","8","6","10","8","1","1") = "9"
    & skf18("4","8","6","10","8","2","1") = "9"
    & skf18("4","8","6","10","8","3","1") = "9"
    & skf18("4","8","6","10","8","4","1") = "9"
    & skf18("4","8","6","10","8","5","1") = "9"
    & skf18("4","8","6","10","8","6","1") = "9"
    & skf18("4","8","6","10","8","7","1") = "9"
    & skf18("4","8","6","10","8","8","1") = "9"
    & skf18("4","8","6","10","8","9","1") = "9"
    & skf18("4","8","6","10","8","10","1") = "9"
    & skf18("4","8","6","10","9","1","1") = "9"
    & skf18("4","8","6","10","9","2","1") = "9"
    & skf18("4","8","6","10","9","3","1") = "9"
    & skf18("4","8","6","10","9","4","1") = "9"
    & skf18("4","8","6","10","9","5","1") = "9"
    & skf18("4","8","6","10","9","6","1") = "9"
    & skf18("4","8","6","10","9","7","1") = "9"
    & skf18("4","8","6","10","9","8","1") = "9"
    & skf18("4","8","6","10","9","9","1") = "9"
    & skf18("4","8","6","10","9","10","1") = "9"
    & skf18("4","8","6","10","10","1","1") = "9"
    & skf18("4","8","6","10","10","2","1") = "9"
    & skf18("4","8","6","10","10","3","1") = "9"
    & skf18("4","8","6","10","10","4","1") = "9"
    & skf18("4","8","6","10","10","5","1") = "9"
    & skf18("4","8","6","10","10","6","1") = "9"
    & skf18("4","8","6","10","10","7","1") = "9"
    & skf18("4","8","6","10","10","8","1") = "9"
    & skf18("4","8","6","10","10","9","1") = "9"
    & skf18("4","8","6","10","10","10","1") = "9"
    & skf18("4","8","7","1","1","1","1") = "7"
    & skf18("4","8","7","1","1","2","1") = "7"
    & skf18("4","8","7","1","1","3","1") = "7"
    & skf18("4","8","7","1","1","4","1") = "7"
    & skf18("4","8","7","1","1","5","1") = "7"
    & skf18("4","8","7","1","1","6","1") = "7"
    & skf18("4","8","7","1","1","7","1") = "7"
    & skf18("4","8","7","1","1","8","1") = "7"
    & skf18("4","8","7","1","1","9","1") = "8"
    & skf18("4","8","7","1","1","10","1") = "9"
    & skf18("4","8","7","1","2","1","1") = "7"
    & skf18("4","8","7","1","2","2","1") = "7"
    & skf18("4","8","7","1","2","3","1") = "7"
    & skf18("4","8","7","1","2","4","1") = "7"
    & skf18("4","8","7","1","2","5","1") = "7"
    & skf18("4","8","7","1","2","6","1") = "7"
    & skf18("4","8","7","1","2","7","1") = "7"
    & skf18("4","8","7","1","2","8","1") = "7"
    & skf18("4","8","7","1","2","9","1") = "8"
    & skf18("4","8","7","1","2","10","1") = "9"
    & skf18("4","8","7","1","3","1","1") = "7"
    & skf18("4","8","7","1","3","2","1") = "7"
    & skf18("4","8","7","1","3","3","1") = "7"
    & skf18("4","8","7","1","3","4","1") = "7"
    & skf18("4","8","7","1","3","5","1") = "7"
    & skf18("4","8","7","1","3","6","1") = "7"
    & skf18("4","8","7","1","3","7","1") = "7"
    & skf18("4","8","7","1","3","8","1") = "7"
    & skf18("4","8","7","1","3","9","1") = "8"
    & skf18("4","8","7","1","3","10","1") = "9"
    & skf18("4","8","7","1","4","1","1") = "7"
    & skf18("4","8","7","1","4","2","1") = "7"
    & skf18("4","8","7","1","4","3","1") = "7"
    & skf18("4","8","7","1","4","4","1") = "7"
    & skf18("4","8","7","1","4","5","1") = "7"
    & skf18("4","8","7","1","4","6","1") = "7"
    & skf18("4","8","7","1","4","7","1") = "7"
    & skf18("4","8","7","1","4","8","1") = "7"
    & skf18("4","8","7","1","4","9","1") = "8"
    & skf18("4","8","7","1","4","10","1") = "9"
    & skf18("4","8","7","1","5","1","1") = "7"
    & skf18("4","8","7","1","5","2","1") = "7"
    & skf18("4","8","7","1","5","3","1") = "7"
    & skf18("4","8","7","1","5","4","1") = "7"
    & skf18("4","8","7","1","5","5","1") = "7"
    & skf18("4","8","7","1","5","6","1") = "7"
    & skf18("4","8","7","1","5","7","1") = "7"
    & skf18("4","8","7","1","5","8","1") = "7"
    & skf18("4","8","7","1","5","9","1") = "8"
    & skf18("4","8","7","1","5","10","1") = "9"
    & skf18("4","8","7","1","6","1","1") = "7"
    & skf18("4","8","7","1","6","2","1") = "7"
    & skf18("4","8","7","1","6","3","1") = "7"
    & skf18("4","8","7","1","6","4","1") = "7"
    & skf18("4","8","7","1","6","5","1") = "7"
    & skf18("4","8","7","1","6","6","1") = "7"
    & skf18("4","8","7","1","6","7","1") = "7"
    & skf18("4","8","7","1","6","8","1") = "7"
    & skf18("4","8","7","1","6","9","1") = "8"
    & skf18("4","8","7","1","6","10","1") = "9"
    & skf18("4","8","7","1","7","1","1") = "7"
    & skf18("4","8","7","1","7","2","1") = "7"
    & skf18("4","8","7","1","7","3","1") = "7"
    & skf18("4","8","7","1","7","4","1") = "7"
    & skf18("4","8","7","1","7","5","1") = "7"
    & skf18("4","8","7","1","7","6","1") = "7"
    & skf18("4","8","7","1","7","7","1") = "7"
    & skf18("4","8","7","1","7","8","1") = "7"
    & skf18("4","8","7","1","7","9","1") = "8"
    & skf18("4","8","7","1","7","10","1") = "9"
    & skf18("4","8","7","1","8","1","1") = "7"
    & skf18("4","8","7","1","8","2","1") = "7"
    & skf18("4","8","7","1","8","3","1") = "7"
    & skf18("4","8","7","1","8","4","1") = "7"
    & skf18("4","8","7","1","8","5","1") = "7"
    & skf18("4","8","7","1","8","6","1") = "7"
    & skf18("4","8","7","1","8","7","1") = "7"
    & skf18("4","8","7","1","8","8","1") = "7"
    & skf18("4","8","7","1","8","9","1") = "8"
    & skf18("4","8","7","1","8","10","1") = "9"
    & skf18("4","8","7","1","9","1","1") = "8"
    & skf18("4","8","7","1","9","2","1") = "8"
    & skf18("4","8","7","1","9","3","1") = "8"
    & skf18("4","8","7","1","9","4","1") = "8"
    & skf18("4","8","7","1","9","5","1") = "8"
    & skf18("4","8","7","1","9","6","1") = "8"
    & skf18("4","8","7","1","9","7","1") = "8"
    & skf18("4","8","7","1","9","8","1") = "8"
    & skf18("4","8","7","1","9","9","1") = "8"
    & skf18("4","8","7","1","9","10","1") = "9"
    & skf18("4","8","7","1","10","1","1") = "9"
    & skf18("4","8","7","1","10","2","1") = "9"
    & skf18("4","8","7","1","10","3","1") = "9"
    & skf18("4","8","7","1","10","4","1") = "9"
    & skf18("4","8","7","1","10","5","1") = "9"
    & skf18("4","8","7","1","10","6","1") = "9"
    & skf18("4","8","7","1","10","7","1") = "9"
    & skf18("4","8","7","1","10","8","1") = "9"
    & skf18("4","8","7","1","10","9","1") = "9"
    & skf18("4","8","7","1","10","10","1") = "9"
    & skf18("4","8","7","2","1","1","1") = "7"
    & skf18("4","8","7","2","1","2","1") = "7"
    & skf18("4","8","7","2","1","3","1") = "7"
    & skf18("4","8","7","2","1","4","1") = "7"
    & skf18("4","8","7","2","1","5","1") = "7"
    & skf18("4","8","7","2","1","6","1") = "7"
    & skf18("4","8","7","2","1","7","1") = "7"
    & skf18("4","8","7","2","1","8","1") = "7"
    & skf18("4","8","7","2","1","9","1") = "8"
    & skf18("4","8","7","2","1","10","1") = "9"
    & skf18("4","8","7","2","2","1","1") = "7"
    & skf18("4","8","7","2","2","2","1") = "7"
    & skf18("4","8","7","2","2","3","1") = "7"
    & skf18("4","8","7","2","2","4","1") = "7"
    & skf18("4","8","7","2","2","5","1") = "7"
    & skf18("4","8","7","2","2","6","1") = "7"
    & skf18("4","8","7","2","2","7","1") = "7"
    & skf18("4","8","7","2","2","8","1") = "7"
    & skf18("4","8","7","2","2","9","1") = "8"
    & skf18("4","8","7","2","2","10","1") = "9"
    & skf18("4","8","7","2","3","1","1") = "7"
    & skf18("4","8","7","2","3","2","1") = "7"
    & skf18("4","8","7","2","3","3","1") = "7"
    & skf18("4","8","7","2","3","4","1") = "7"
    & skf18("4","8","7","2","3","5","1") = "7"
    & skf18("4","8","7","2","3","6","1") = "7"
    & skf18("4","8","7","2","3","7","1") = "7"
    & skf18("4","8","7","2","3","8","1") = "7"
    & skf18("4","8","7","2","3","9","1") = "8"
    & skf18("4","8","7","2","3","10","1") = "9"
    & skf18("4","8","7","2","4","1","1") = "7"
    & skf18("4","8","7","2","4","2","1") = "7"
    & skf18("4","8","7","2","4","3","1") = "7"
    & skf18("4","8","7","2","4","4","1") = "7"
    & skf18("4","8","7","2","4","5","1") = "7"
    & skf18("4","8","7","2","4","6","1") = "7"
    & skf18("4","8","7","2","4","7","1") = "7"
    & skf18("4","8","7","2","4","8","1") = "7"
    & skf18("4","8","7","2","4","9","1") = "8"
    & skf18("4","8","7","2","4","10","1") = "9"
    & skf18("4","8","7","2","5","1","1") = "7"
    & skf18("4","8","7","2","5","2","1") = "7"
    & skf18("4","8","7","2","5","3","1") = "7"
    & skf18("4","8","7","2","5","4","1") = "7"
    & skf18("4","8","7","2","5","5","1") = "7"
    & skf18("4","8","7","2","5","6","1") = "7"
    & skf18("4","8","7","2","5","7","1") = "7"
    & skf18("4","8","7","2","5","8","1") = "7"
    & skf18("4","8","7","2","5","9","1") = "8"
    & skf18("4","8","7","2","5","10","1") = "9"
    & skf18("4","8","7","2","6","1","1") = "7"
    & skf18("4","8","7","2","6","2","1") = "7"
    & skf18("4","8","7","2","6","3","1") = "7"
    & skf18("4","8","7","2","6","4","1") = "7"
    & skf18("4","8","7","2","6","5","1") = "7"
    & skf18("4","8","7","2","6","6","1") = "7"
    & skf18("4","8","7","2","6","7","1") = "7"
    & skf18("4","8","7","2","6","8","1") = "7"
    & skf18("4","8","7","2","6","9","1") = "8"
    & skf18("4","8","7","2","6","10","1") = "9"
    & skf18("4","8","7","2","7","1","1") = "7"
    & skf18("4","8","7","2","7","2","1") = "7"
    & skf18("4","8","7","2","7","3","1") = "7"
    & skf18("4","8","7","2","7","4","1") = "7"
    & skf18("4","8","7","2","7","5","1") = "7"
    & skf18("4","8","7","2","7","6","1") = "7"
    & skf18("4","8","7","2","7","7","1") = "7"
    & skf18("4","8","7","2","7","8","1") = "7"
    & skf18("4","8","7","2","7","9","1") = "8"
    & skf18("4","8","7","2","7","10","1") = "9"
    & skf18("4","8","7","2","8","1","1") = "7"
    & skf18("4","8","7","2","8","2","1") = "7"
    & skf18("4","8","7","2","8","3","1") = "7"
    & skf18("4","8","7","2","8","4","1") = "7"
    & skf18("4","8","7","2","8","5","1") = "7"
    & skf18("4","8","7","2","8","6","1") = "7"
    & skf18("4","8","7","2","8","7","1") = "7"
    & skf18("4","8","7","2","8","8","1") = "7"
    & skf18("4","8","7","2","8","9","1") = "8"
    & skf18("4","8","7","2","8","10","1") = "9"
    & skf18("4","8","7","2","9","1","1") = "8"
    & skf18("4","8","7","2","9","2","1") = "8"
    & skf18("4","8","7","2","9","3","1") = "8"
    & skf18("4","8","7","2","9","4","1") = "8"
    & skf18("4","8","7","2","9","5","1") = "8"
    & skf18("4","8","7","2","9","6","1") = "8"
    & skf18("4","8","7","2","9","7","1") = "8"
    & skf18("4","8","7","2","9","8","1") = "8"
    & skf18("4","8","7","2","9","9","1") = "8"
    & skf18("4","8","7","2","9","10","1") = "9"
    & skf18("4","8","7","2","10","1","1") = "9"
    & skf18("4","8","7","2","10","2","1") = "9"
    & skf18("4","8","7","2","10","3","1") = "9"
    & skf18("4","8","7","2","10","4","1") = "9"
    & skf18("4","8","7","2","10","5","1") = "9"
    & skf18("4","8","7","2","10","6","1") = "9"
    & skf18("4","8","7","2","10","7","1") = "9"
    & skf18("4","8","7","2","10","8","1") = "9"
    & skf18("4","8","7","2","10","9","1") = "9"
    & skf18("4","8","7","2","10","10","1") = "9"
    & skf18("4","8","7","3","1","1","1") = "7"
    & skf18("4","8","7","3","1","2","1") = "7"
    & skf18("4","8","7","3","1","3","1") = "7"
    & skf18("4","8","7","3","1","4","1") = "7"
    & skf18("4","8","7","3","1","5","1") = "7"
    & skf18("4","8","7","3","1","6","1") = "7"
    & skf18("4","8","7","3","1","7","1") = "7"
    & skf18("4","8","7","3","1","8","1") = "7"
    & skf18("4","8","7","3","1","9","1") = "8"
    & skf18("4","8","7","3","1","10","1") = "9"
    & skf18("4","8","7","3","2","1","1") = "7"
    & skf18("4","8","7","3","2","2","1") = "7"
    & skf18("4","8","7","3","2","3","1") = "7"
    & skf18("4","8","7","3","2","4","1") = "7"
    & skf18("4","8","7","3","2","5","1") = "7"
    & skf18("4","8","7","3","2","6","1") = "7"
    & skf18("4","8","7","3","2","7","1") = "7"
    & skf18("4","8","7","3","2","8","1") = "7"
    & skf18("4","8","7","3","2","9","1") = "8"
    & skf18("4","8","7","3","2","10","1") = "9"
    & skf18("4","8","7","3","3","1","1") = "7"
    & skf18("4","8","7","3","3","2","1") = "7"
    & skf18("4","8","7","3","3","3","1") = "7"
    & skf18("4","8","7","3","3","4","1") = "7"
    & skf18("4","8","7","3","3","5","1") = "7"
    & skf18("4","8","7","3","3","6","1") = "7"
    & skf18("4","8","7","3","3","7","1") = "7"
    & skf18("4","8","7","3","3","8","1") = "7"
    & skf18("4","8","7","3","3","9","1") = "8"
    & skf18("4","8","7","3","3","10","1") = "9"
    & skf18("4","8","7","3","4","1","1") = "7"
    & skf18("4","8","7","3","4","2","1") = "7"
    & skf18("4","8","7","3","4","3","1") = "7"
    & skf18("4","8","7","3","4","4","1") = "7"
    & skf18("4","8","7","3","4","5","1") = "7"
    & skf18("4","8","7","3","4","6","1") = "7"
    & skf18("4","8","7","3","4","7","1") = "7"
    & skf18("4","8","7","3","4","8","1") = "7"
    & skf18("4","8","7","3","4","9","1") = "8"
    & skf18("4","8","7","3","4","10","1") = "9"
    & skf18("4","8","7","3","5","1","1") = "7"
    & skf18("4","8","7","3","5","2","1") = "7"
    & skf18("4","8","7","3","5","3","1") = "7"
    & skf18("4","8","7","3","5","4","1") = "7"
    & skf18("4","8","7","3","5","5","1") = "7"
    & skf18("4","8","7","3","5","6","1") = "7"
    & skf18("4","8","7","3","5","7","1") = "7"
    & skf18("4","8","7","3","5","8","1") = "7"
    & skf18("4","8","7","3","5","9","1") = "8"
    & skf18("4","8","7","3","5","10","1") = "9"
    & skf18("4","8","7","3","6","1","1") = "7"
    & skf18("4","8","7","3","6","2","1") = "7"
    & skf18("4","8","7","3","6","3","1") = "7"
    & skf18("4","8","7","3","6","4","1") = "7"
    & skf18("4","8","7","3","6","5","1") = "7"
    & skf18("4","8","7","3","6","6","1") = "7"
    & skf18("4","8","7","3","6","7","1") = "7"
    & skf18("4","8","7","3","6","8","1") = "7"
    & skf18("4","8","7","3","6","9","1") = "8"
    & skf18("4","8","7","3","6","10","1") = "9"
    & skf18("4","8","7","3","7","1","1") = "7"
    & skf18("4","8","7","3","7","2","1") = "7"
    & skf18("4","8","7","3","7","3","1") = "7"
    & skf18("4","8","7","3","7","4","1") = "7"
    & skf18("4","8","7","3","7","5","1") = "7"
    & skf18("4","8","7","3","7","6","1") = "7"
    & skf18("4","8","7","3","7","7","1") = "7"
    & skf18("4","8","7","3","7","8","1") = "7"
    & skf18("4","8","7","3","7","9","1") = "8"
    & skf18("4","8","7","3","7","10","1") = "9"
    & skf18("4","8","7","3","8","1","1") = "7"
    & skf18("4","8","7","3","8","2","1") = "7"
    & skf18("4","8","7","3","8","3","1") = "7"
    & skf18("4","8","7","3","8","4","1") = "7"
    & skf18("4","8","7","3","8","5","1") = "7"
    & skf18("4","8","7","3","8","6","1") = "7"
    & skf18("4","8","7","3","8","7","1") = "7"
    & skf18("4","8","7","3","8","8","1") = "7"
    & skf18("4","8","7","3","8","9","1") = "8"
    & skf18("4","8","7","3","8","10","1") = "9"
    & skf18("4","8","7","3","9","1","1") = "8"
    & skf18("4","8","7","3","9","2","1") = "8"
    & skf18("4","8","7","3","9","3","1") = "8"
    & skf18("4","8","7","3","9","4","1") = "8"
    & skf18("4","8","7","3","9","5","1") = "8"
    & skf18("4","8","7","3","9","6","1") = "8"
    & skf18("4","8","7","3","9","7","1") = "8"
    & skf18("4","8","7","3","9","8","1") = "8"
    & skf18("4","8","7","3","9","9","1") = "8"
    & skf18("4","8","7","3","9","10","1") = "9"
    & skf18("4","8","7","3","10","1","1") = "9"
    & skf18("4","8","7","3","10","2","1") = "9"
    & skf18("4","8","7","3","10","3","1") = "9"
    & skf18("4","8","7","3","10","4","1") = "9"
    & skf18("4","8","7","3","10","5","1") = "9"
    & skf18("4","8","7","3","10","6","1") = "9"
    & skf18("4","8","7","3","10","7","1") = "9"
    & skf18("4","8","7","3","10","8","1") = "9"
    & skf18("4","8","7","3","10","9","1") = "9"
    & skf18("4","8","7","3","10","10","1") = "9"
    & skf18("4","8","7","4","1","1","1") = "7"
    & skf18("4","8","7","4","1","2","1") = "7"
    & skf18("4","8","7","4","1","3","1") = "7"
    & skf18("4","8","7","4","1","4","1") = "7"
    & skf18("4","8","7","4","1","5","1") = "7"
    & skf18("4","8","7","4","1","6","1") = "7"
    & skf18("4","8","7","4","1","7","1") = "7"
    & skf18("4","8","7","4","1","8","1") = "7"
    & skf18("4","8","7","4","1","9","1") = "8"
    & skf18("4","8","7","4","1","10","1") = "9"
    & skf18("4","8","7","4","2","1","1") = "7"
    & skf18("4","8","7","4","2","2","1") = "7"
    & skf18("4","8","7","4","2","3","1") = "7"
    & skf18("4","8","7","4","2","4","1") = "7"
    & skf18("4","8","7","4","2","5","1") = "7"
    & skf18("4","8","7","4","2","6","1") = "7"
    & skf18("4","8","7","4","2","7","1") = "7"
    & skf18("4","8","7","4","2","8","1") = "7"
    & skf18("4","8","7","4","2","9","1") = "8"
    & skf18("4","8","7","4","2","10","1") = "9"
    & skf18("4","8","7","4","3","1","1") = "7"
    & skf18("4","8","7","4","3","2","1") = "7"
    & skf18("4","8","7","4","3","3","1") = "7"
    & skf18("4","8","7","4","3","4","1") = "7"
    & skf18("4","8","7","4","3","5","1") = "7"
    & skf18("4","8","7","4","3","6","1") = "7"
    & skf18("4","8","7","4","3","7","1") = "7"
    & skf18("4","8","7","4","3","8","1") = "7"
    & skf18("4","8","7","4","3","9","1") = "8"
    & skf18("4","8","7","4","3","10","1") = "9"
    & skf18("4","8","7","4","4","1","1") = "7"
    & skf18("4","8","7","4","4","2","1") = "7"
    & skf18("4","8","7","4","4","3","1") = "7"
    & skf18("4","8","7","4","4","4","1") = "7"
    & skf18("4","8","7","4","4","5","1") = "7"
    & skf18("4","8","7","4","4","6","1") = "7"
    & skf18("4","8","7","4","4","7","1") = "7"
    & skf18("4","8","7","4","4","8","1") = "7"
    & skf18("4","8","7","4","4","9","1") = "8"
    & skf18("4","8","7","4","4","10","1") = "9"
    & skf18("4","8","7","4","5","1","1") = "7"
    & skf18("4","8","7","4","5","2","1") = "7"
    & skf18("4","8","7","4","5","3","1") = "7"
    & skf18("4","8","7","4","5","4","1") = "7"
    & skf18("4","8","7","4","5","5","1") = "7"
    & skf18("4","8","7","4","5","6","1") = "7"
    & skf18("4","8","7","4","5","7","1") = "7"
    & skf18("4","8","7","4","5","8","1") = "7"
    & skf18("4","8","7","4","5","9","1") = "8"
    & skf18("4","8","7","4","5","10","1") = "9"
    & skf18("4","8","7","4","6","1","1") = "7"
    & skf18("4","8","7","4","6","2","1") = "7"
    & skf18("4","8","7","4","6","3","1") = "7"
    & skf18("4","8","7","4","6","4","1") = "7"
    & skf18("4","8","7","4","6","5","1") = "7"
    & skf18("4","8","7","4","6","6","1") = "7"
    & skf18("4","8","7","4","6","7","1") = "7"
    & skf18("4","8","7","4","6","8","1") = "7"
    & skf18("4","8","7","4","6","9","1") = "8"
    & skf18("4","8","7","4","6","10","1") = "9"
    & skf18("4","8","7","4","7","1","1") = "7"
    & skf18("4","8","7","4","7","2","1") = "7"
    & skf18("4","8","7","4","7","3","1") = "7"
    & skf18("4","8","7","4","7","4","1") = "7"
    & skf18("4","8","7","4","7","5","1") = "7"
    & skf18("4","8","7","4","7","6","1") = "7"
    & skf18("4","8","7","4","7","7","1") = "7"
    & skf18("4","8","7","4","7","8","1") = "7"
    & skf18("4","8","7","4","7","9","1") = "8"
    & skf18("4","8","7","4","7","10","1") = "9"
    & skf18("4","8","7","4","8","1","1") = "7"
    & skf18("4","8","7","4","8","2","1") = "7"
    & skf18("4","8","7","4","8","3","1") = "7"
    & skf18("4","8","7","4","8","4","1") = "7"
    & skf18("4","8","7","4","8","5","1") = "7"
    & skf18("4","8","7","4","8","6","1") = "7"
    & skf18("4","8","7","4","8","7","1") = "7"
    & skf18("4","8","7","4","8","8","1") = "7"
    & skf18("4","8","7","4","8","9","1") = "8"
    & skf18("4","8","7","4","8","10","1") = "9"
    & skf18("4","8","7","4","9","1","1") = "8"
    & skf18("4","8","7","4","9","2","1") = "8"
    & skf18("4","8","7","4","9","3","1") = "8"
    & skf18("4","8","7","4","9","4","1") = "8"
    & skf18("4","8","7","4","9","5","1") = "8"
    & skf18("4","8","7","4","9","6","1") = "8"
    & skf18("4","8","7","4","9","7","1") = "8"
    & skf18("4","8","7","4","9","8","1") = "8"
    & skf18("4","8","7","4","9","9","1") = "8"
    & skf18("4","8","7","4","9","10","1") = "9"
    & skf18("4","8","7","4","10","1","1") = "9"
    & skf18("4","8","7","4","10","2","1") = "9"
    & skf18("4","8","7","4","10","3","1") = "9"
    & skf18("4","8","7","4","10","4","1") = "9"
    & skf18("4","8","7","4","10","5","1") = "9"
    & skf18("4","8","7","4","10","6","1") = "9"
    & skf18("4","8","7","4","10","7","1") = "9"
    & skf18("4","8","7","4","10","8","1") = "9"
    & skf18("4","8","7","4","10","9","1") = "9"
    & skf18("4","8","7","4","10","10","1") = "9"
    & skf18("4","8","7","5","1","1","1") = "7"
    & skf18("4","8","7","5","1","2","1") = "7"
    & skf18("4","8","7","5","1","3","1") = "7"
    & skf18("4","8","7","5","1","4","1") = "7"
    & skf18("4","8","7","5","1","5","1") = "7"
    & skf18("4","8","7","5","1","6","1") = "7"
    & skf18("4","8","7","5","1","7","1") = "7"
    & skf18("4","8","7","5","1","8","1") = "7"
    & skf18("4","8","7","5","1","9","1") = "8"
    & skf18("4","8","7","5","1","10","1") = "9"
    & skf18("4","8","7","5","2","1","1") = "7"
    & skf18("4","8","7","5","2","2","1") = "7"
    & skf18("4","8","7","5","2","3","1") = "7"
    & skf18("4","8","7","5","2","4","1") = "7"
    & skf18("4","8","7","5","2","5","1") = "7"
    & skf18("4","8","7","5","2","6","1") = "7"
    & skf18("4","8","7","5","2","7","1") = "7"
    & skf18("4","8","7","5","2","8","1") = "7"
    & skf18("4","8","7","5","2","9","1") = "8"
    & skf18("4","8","7","5","2","10","1") = "9"
    & skf18("4","8","7","5","3","1","1") = "7"
    & skf18("4","8","7","5","3","2","1") = "7"
    & skf18("4","8","7","5","3","3","1") = "7"
    & skf18("4","8","7","5","3","4","1") = "7"
    & skf18("4","8","7","5","3","5","1") = "7"
    & skf18("4","8","7","5","3","6","1") = "7"
    & skf18("4","8","7","5","3","7","1") = "7"
    & skf18("4","8","7","5","3","8","1") = "7"
    & skf18("4","8","7","5","3","9","1") = "8"
    & skf18("4","8","7","5","3","10","1") = "9"
    & skf18("4","8","7","5","4","1","1") = "7"
    & skf18("4","8","7","5","4","2","1") = "7"
    & skf18("4","8","7","5","4","3","1") = "7"
    & skf18("4","8","7","5","4","4","1") = "7"
    & skf18("4","8","7","5","4","5","1") = "7"
    & skf18("4","8","7","5","4","6","1") = "7"
    & skf18("4","8","7","5","4","7","1") = "7"
    & skf18("4","8","7","5","4","8","1") = "7"
    & skf18("4","8","7","5","4","9","1") = "8"
    & skf18("4","8","7","5","4","10","1") = "9"
    & skf18("4","8","7","5","5","1","1") = "7"
    & skf18("4","8","7","5","5","2","1") = "7"
    & skf18("4","8","7","5","5","3","1") = "7"
    & skf18("4","8","7","5","5","4","1") = "7"
    & skf18("4","8","7","5","5","5","1") = "7"
    & skf18("4","8","7","5","5","6","1") = "7"
    & skf18("4","8","7","5","5","7","1") = "7"
    & skf18("4","8","7","5","5","8","1") = "7"
    & skf18("4","8","7","5","5","9","1") = "8"
    & skf18("4","8","7","5","5","10","1") = "9"
    & skf18("4","8","7","5","6","1","1") = "7"
    & skf18("4","8","7","5","6","2","1") = "7"
    & skf18("4","8","7","5","6","3","1") = "7"
    & skf18("4","8","7","5","6","4","1") = "7"
    & skf18("4","8","7","5","6","5","1") = "7"
    & skf18("4","8","7","5","6","6","1") = "7"
    & skf18("4","8","7","5","6","7","1") = "7"
    & skf18("4","8","7","5","6","8","1") = "7"
    & skf18("4","8","7","5","6","9","1") = "8"
    & skf18("4","8","7","5","6","10","1") = "9"
    & skf18("4","8","7","5","7","1","1") = "7"
    & skf18("4","8","7","5","7","2","1") = "7"
    & skf18("4","8","7","5","7","3","1") = "7"
    & skf18("4","8","7","5","7","4","1") = "7"
    & skf18("4","8","7","5","7","5","1") = "7"
    & skf18("4","8","7","5","7","6","1") = "7"
    & skf18("4","8","7","5","7","7","1") = "7"
    & skf18("4","8","7","5","7","8","1") = "7"
    & skf18("4","8","7","5","7","9","1") = "8"
    & skf18("4","8","7","5","7","10","1") = "9"
    & skf18("4","8","7","5","8","1","1") = "7"
    & skf18("4","8","7","5","8","2","1") = "7"
    & skf18("4","8","7","5","8","3","1") = "7"
    & skf18("4","8","7","5","8","4","1") = "7"
    & skf18("4","8","7","5","8","5","1") = "7"
    & skf18("4","8","7","5","8","6","1") = "7"
    & skf18("4","8","7","5","8","7","1") = "7"
    & skf18("4","8","7","5","8","8","1") = "7"
    & skf18("4","8","7","5","8","9","1") = "8"
    & skf18("4","8","7","5","8","10","1") = "9"
    & skf18("4","8","7","5","9","1","1") = "8"
    & skf18("4","8","7","5","9","2","1") = "8"
    & skf18("4","8","7","5","9","3","1") = "8"
    & skf18("4","8","7","5","9","4","1") = "8"
    & skf18("4","8","7","5","9","5","1") = "8"
    & skf18("4","8","7","5","9","6","1") = "8"
    & skf18("4","8","7","5","9","7","1") = "8"
    & skf18("4","8","7","5","9","8","1") = "8"
    & skf18("4","8","7","5","9","9","1") = "8"
    & skf18("4","8","7","5","9","10","1") = "9"
    & skf18("4","8","7","5","10","1","1") = "9"
    & skf18("4","8","7","5","10","2","1") = "9"
    & skf18("4","8","7","5","10","3","1") = "9"
    & skf18("4","8","7","5","10","4","1") = "9"
    & skf18("4","8","7","5","10","5","1") = "9"
    & skf18("4","8","7","5","10","6","1") = "9"
    & skf18("4","8","7","5","10","7","1") = "9"
    & skf18("4","8","7","5","10","8","1") = "9"
    & skf18("4","8","7","5","10","9","1") = "9"
    & skf18("4","8","7","5","10","10","1") = "9"
    & skf18("4","8","7","6","1","1","1") = "7"
    & skf18("4","8","7","6","1","2","1") = "7"
    & skf18("4","8","7","6","1","3","1") = "7"
    & skf18("4","8","7","6","1","4","1") = "7"
    & skf18("4","8","7","6","1","5","1") = "7"
    & skf18("4","8","7","6","1","6","1") = "7"
    & skf18("4","8","7","6","1","7","1") = "7"
    & skf18("4","8","7","6","1","8","1") = "7"
    & skf18("4","8","7","6","1","9","1") = "8"
    & skf18("4","8","7","6","1","10","1") = "9"
    & skf18("4","8","7","6","2","1","1") = "7"
    & skf18("4","8","7","6","2","2","1") = "7"
    & skf18("4","8","7","6","2","3","1") = "7"
    & skf18("4","8","7","6","2","4","1") = "7"
    & skf18("4","8","7","6","2","5","1") = "7"
    & skf18("4","8","7","6","2","6","1") = "7"
    & skf18("4","8","7","6","2","7","1") = "7"
    & skf18("4","8","7","6","2","8","1") = "7"
    & skf18("4","8","7","6","2","9","1") = "8"
    & skf18("4","8","7","6","2","10","1") = "9"
    & skf18("4","8","7","6","3","1","1") = "7"
    & skf18("4","8","7","6","3","2","1") = "7"
    & skf18("4","8","7","6","3","3","1") = "7"
    & skf18("4","8","7","6","3","4","1") = "7"
    & skf18("4","8","7","6","3","5","1") = "7"
    & skf18("4","8","7","6","3","6","1") = "7"
    & skf18("4","8","7","6","3","7","1") = "7"
    & skf18("4","8","7","6","3","8","1") = "7"
    & skf18("4","8","7","6","3","9","1") = "8"
    & skf18("4","8","7","6","3","10","1") = "9"
    & skf18("4","8","7","6","4","1","1") = "7"
    & skf18("4","8","7","6","4","2","1") = "7"
    & skf18("4","8","7","6","4","3","1") = "7"
    & skf18("4","8","7","6","4","4","1") = "7"
    & skf18("4","8","7","6","4","5","1") = "7"
    & skf18("4","8","7","6","4","6","1") = "7"
    & skf18("4","8","7","6","4","7","1") = "7"
    & skf18("4","8","7","6","4","8","1") = "7"
    & skf18("4","8","7","6","4","9","1") = "8"
    & skf18("4","8","7","6","4","10","1") = "9"
    & skf18("4","8","7","6","5","1","1") = "7"
    & skf18("4","8","7","6","5","2","1") = "7"
    & skf18("4","8","7","6","5","3","1") = "7"
    & skf18("4","8","7","6","5","4","1") = "7"
    & skf18("4","8","7","6","5","5","1") = "7"
    & skf18("4","8","7","6","5","6","1") = "7"
    & skf18("4","8","7","6","5","7","1") = "7"
    & skf18("4","8","7","6","5","8","1") = "7"
    & skf18("4","8","7","6","5","9","1") = "8"
    & skf18("4","8","7","6","5","10","1") = "9"
    & skf18("4","8","7","6","6","1","1") = "7"
    & skf18("4","8","7","6","6","2","1") = "7"
    & skf18("4","8","7","6","6","3","1") = "7"
    & skf18("4","8","7","6","6","4","1") = "7"
    & skf18("4","8","7","6","6","5","1") = "7"
    & skf18("4","8","7","6","6","6","1") = "7"
    & skf18("4","8","7","6","6","7","1") = "7"
    & skf18("4","8","7","6","6","8","1") = "7"
    & skf18("4","8","7","6","6","9","1") = "8"
    & skf18("4","8","7","6","6","10","1") = "9"
    & skf18("4","8","7","6","7","1","1") = "7"
    & skf18("4","8","7","6","7","2","1") = "7"
    & skf18("4","8","7","6","7","3","1") = "7"
    & skf18("4","8","7","6","7","4","1") = "7"
    & skf18("4","8","7","6","7","5","1") = "7"
    & skf18("4","8","7","6","7","6","1") = "7"
    & skf18("4","8","7","6","7","7","1") = "7"
    & skf18("4","8","7","6","7","8","1") = "7"
    & skf18("4","8","7","6","7","9","1") = "8"
    & skf18("4","8","7","6","7","10","1") = "9"
    & skf18("4","8","7","6","8","1","1") = "7"
    & skf18("4","8","7","6","8","2","1") = "7"
    & skf18("4","8","7","6","8","3","1") = "7"
    & skf18("4","8","7","6","8","4","1") = "7"
    & skf18("4","8","7","6","8","5","1") = "7"
    & skf18("4","8","7","6","8","6","1") = "7"
    & skf18("4","8","7","6","8","7","1") = "7"
    & skf18("4","8","7","6","8","8","1") = "7"
    & skf18("4","8","7","6","8","9","1") = "8"
    & skf18("4","8","7","6","8","10","1") = "9"
    & skf18("4","8","7","6","9","1","1") = "8"
    & skf18("4","8","7","6","9","2","1") = "8"
    & skf18("4","8","7","6","9","3","1") = "8"
    & skf18("4","8","7","6","9","4","1") = "8"
    & skf18("4","8","7","6","9","5","1") = "8"
    & skf18("4","8","7","6","9","6","1") = "8"
    & skf18("4","8","7","6","9","7","1") = "8"
    & skf18("4","8","7","6","9","8","1") = "8"
    & skf18("4","8","7","6","9","9","1") = "8"
    & skf18("4","8","7","6","9","10","1") = "9"
    & skf18("4","8","7","6","10","1","1") = "9"
    & skf18("4","8","7","6","10","2","1") = "9"
    & skf18("4","8","7","6","10","3","1") = "9"
    & skf18("4","8","7","6","10","4","1") = "9"
    & skf18("4","8","7","6","10","5","1") = "9"
    & skf18("4","8","7","6","10","6","1") = "9"
    & skf18("4","8","7","6","10","7","1") = "9"
    & skf18("4","8","7","6","10","8","1") = "9"
    & skf18("4","8","7","6","10","9","1") = "9"
    & skf18("4","8","7","6","10","10","1") = "9"
    & skf18("4","8","7","7","1","1","1") = "7"
    & skf18("4","8","7","7","1","2","1") = "7"
    & skf18("4","8","7","7","1","3","1") = "7"
    & skf18("4","8","7","7","1","4","1") = "7"
    & skf18("4","8","7","7","1","5","1") = "7"
    & skf18("4","8","7","7","1","6","1") = "7"
    & skf18("4","8","7","7","1","7","1") = "7"
    & skf18("4","8","7","7","1","8","1") = "7"
    & skf18("4","8","7","7","1","9","1") = "8"
    & skf18("4","8","7","7","1","10","1") = "9"
    & skf18("4","8","7","7","2","1","1") = "7"
    & skf18("4","8","7","7","2","2","1") = "7"
    & skf18("4","8","7","7","2","3","1") = "7"
    & skf18("4","8","7","7","2","4","1") = "7"
    & skf18("4","8","7","7","2","5","1") = "7"
    & skf18("4","8","7","7","2","6","1") = "7"
    & skf18("4","8","7","7","2","7","1") = "7"
    & skf18("4","8","7","7","2","8","1") = "7"
    & skf18("4","8","7","7","2","9","1") = "8"
    & skf18("4","8","7","7","2","10","1") = "9"
    & skf18("4","8","7","7","3","1","1") = "7"
    & skf18("4","8","7","7","3","2","1") = "7"
    & skf18("4","8","7","7","3","3","1") = "7"
    & skf18("4","8","7","7","3","4","1") = "7"
    & skf18("4","8","7","7","3","5","1") = "7"
    & skf18("4","8","7","7","3","6","1") = "7"
    & skf18("4","8","7","7","3","7","1") = "7"
    & skf18("4","8","7","7","3","8","1") = "7"
    & skf18("4","8","7","7","3","9","1") = "8"
    & skf18("4","8","7","7","3","10","1") = "9"
    & skf18("4","8","7","7","4","1","1") = "7"
    & skf18("4","8","7","7","4","2","1") = "7"
    & skf18("4","8","7","7","4","3","1") = "7"
    & skf18("4","8","7","7","4","4","1") = "7"
    & skf18("4","8","7","7","4","5","1") = "7"
    & skf18("4","8","7","7","4","6","1") = "7"
    & skf18("4","8","7","7","4","7","1") = "7"
    & skf18("4","8","7","7","4","8","1") = "7"
    & skf18("4","8","7","7","4","9","1") = "8"
    & skf18("4","8","7","7","4","10","1") = "9"
    & skf18("4","8","7","7","5","1","1") = "7"
    & skf18("4","8","7","7","5","2","1") = "7"
    & skf18("4","8","7","7","5","3","1") = "7"
    & skf18("4","8","7","7","5","4","1") = "7"
    & skf18("4","8","7","7","5","5","1") = "7"
    & skf18("4","8","7","7","5","6","1") = "7"
    & skf18("4","8","7","7","5","7","1") = "7"
    & skf18("4","8","7","7","5","8","1") = "7"
    & skf18("4","8","7","7","5","9","1") = "8"
    & skf18("4","8","7","7","5","10","1") = "9"
    & skf18("4","8","7","7","6","1","1") = "7"
    & skf18("4","8","7","7","6","2","1") = "7"
    & skf18("4","8","7","7","6","3","1") = "7"
    & skf18("4","8","7","7","6","4","1") = "7"
    & skf18("4","8","7","7","6","5","1") = "7"
    & skf18("4","8","7","7","6","6","1") = "7"
    & skf18("4","8","7","7","6","7","1") = "7"
    & skf18("4","8","7","7","6","8","1") = "7"
    & skf18("4","8","7","7","6","9","1") = "8"
    & skf18("4","8","7","7","6","10","1") = "9"
    & skf18("4","8","7","7","7","1","1") = "7"
    & skf18("4","8","7","7","7","2","1") = "7"
    & skf18("4","8","7","7","7","3","1") = "7"
    & skf18("4","8","7","7","7","4","1") = "7"
    & skf18("4","8","7","7","7","5","1") = "7"
    & skf18("4","8","7","7","7","6","1") = "7"
    & skf18("4","8","7","7","7","7","1") = "7"
    & skf18("4","8","7","7","7","8","1") = "7"
    & skf18("4","8","7","7","7","9","1") = "8"
    & skf18("4","8","7","7","7","10","1") = "9"
    & skf18("4","8","7","7","8","1","1") = "7"
    & skf18("4","8","7","7","8","2","1") = "7"
    & skf18("4","8","7","7","8","3","1") = "7"
    & skf18("4","8","7","7","8","4","1") = "7"
    & skf18("4","8","7","7","8","5","1") = "7"
    & skf18("4","8","7","7","8","6","1") = "7"
    & skf18("4","8","7","7","8","7","1") = "7"
    & skf18("4","8","7","7","8","8","1") = "7"
    & skf18("4","8","7","7","8","9","1") = "8"
    & skf18("4","8","7","7","8","10","1") = "9"
    & skf18("4","8","7","7","9","1","1") = "8"
    & skf18("4","8","7","7","9","2","1") = "8"
    & skf18("4","8","7","7","9","3","1") = "8"
    & skf18("4","8","7","7","9","4","1") = "8"
    & skf18("4","8","7","7","9","5","1") = "8"
    & skf18("4","8","7","7","9","6","1") = "8"
    & skf18("4","8","7","7","9","7","1") = "8"
    & skf18("4","8","7","7","9","8","1") = "8"
    & skf18("4","8","7","7","9","9","1") = "8"
    & skf18("4","8","7","7","9","10","1") = "9"
    & skf18("4","8","7","7","10","1","1") = "9"
    & skf18("4","8","7","7","10","2","1") = "9"
    & skf18("4","8","7","7","10","3","1") = "9"
    & skf18("4","8","7","7","10","4","1") = "9"
    & skf18("4","8","7","7","10","5","1") = "9"
    & skf18("4","8","7","7","10","6","1") = "9"
    & skf18("4","8","7","7","10","7","1") = "9"
    & skf18("4","8","7","7","10","8","1") = "9"
    & skf18("4","8","7","7","10","9","1") = "9"
    & skf18("4","8","7","7","10","10","1") = "9"
    & skf18("4","8","7","8","1","1","1") = "7"
    & skf18("4","8","7","8","1","2","1") = "7"
    & skf18("4","8","7","8","1","3","1") = "7"
    & skf18("4","8","7","8","1","4","1") = "7"
    & skf18("4","8","7","8","1","5","1") = "7"
    & skf18("4","8","7","8","1","6","1") = "7"
    & skf18("4","8","7","8","1","7","1") = "7"
    & skf18("4","8","7","8","1","8","1") = "7"
    & skf18("4","8","7","8","1","9","1") = "8"
    & skf18("4","8","7","8","1","10","1") = "9"
    & skf18("4","8","7","8","2","1","1") = "7"
    & skf18("4","8","7","8","2","2","1") = "7"
    & skf18("4","8","7","8","2","3","1") = "7"
    & skf18("4","8","7","8","2","4","1") = "7"
    & skf18("4","8","7","8","2","5","1") = "7"
    & skf18("4","8","7","8","2","6","1") = "7"
    & skf18("4","8","7","8","2","7","1") = "7"
    & skf18("4","8","7","8","2","8","1") = "7"
    & skf18("4","8","7","8","2","9","1") = "8"
    & skf18("4","8","7","8","2","10","1") = "9"
    & skf18("4","8","7","8","3","1","1") = "7"
    & skf18("4","8","7","8","3","2","1") = "7"
    & skf18("4","8","7","8","3","3","1") = "7"
    & skf18("4","8","7","8","3","4","1") = "7"
    & skf18("4","8","7","8","3","5","1") = "7"
    & skf18("4","8","7","8","3","6","1") = "7"
    & skf18("4","8","7","8","3","7","1") = "7"
    & skf18("4","8","7","8","3","8","1") = "7"
    & skf18("4","8","7","8","3","9","1") = "8"
    & skf18("4","8","7","8","3","10","1") = "9"
    & skf18("4","8","7","8","4","1","1") = "7"
    & skf18("4","8","7","8","4","2","1") = "7"
    & skf18("4","8","7","8","4","3","1") = "7"
    & skf18("4","8","7","8","4","4","1") = "7"
    & skf18("4","8","7","8","4","5","1") = "7"
    & skf18("4","8","7","8","4","6","1") = "7"
    & skf18("4","8","7","8","4","7","1") = "7"
    & skf18("4","8","7","8","4","8","1") = "7"
    & skf18("4","8","7","8","4","9","1") = "8"
    & skf18("4","8","7","8","4","10","1") = "9"
    & skf18("4","8","7","8","5","1","1") = "7"
    & skf18("4","8","7","8","5","2","1") = "7"
    & skf18("4","8","7","8","5","3","1") = "7"
    & skf18("4","8","7","8","5","4","1") = "7"
    & skf18("4","8","7","8","5","5","1") = "7"
    & skf18("4","8","7","8","5","6","1") = "7"
    & skf18("4","8","7","8","5","7","1") = "7"
    & skf18("4","8","7","8","5","8","1") = "7"
    & skf18("4","8","7","8","5","9","1") = "8"
    & skf18("4","8","7","8","5","10","1") = "9"
    & skf18("4","8","7","8","6","1","1") = "7"
    & skf18("4","8","7","8","6","2","1") = "7"
    & skf18("4","8","7","8","6","3","1") = "7"
    & skf18("4","8","7","8","6","4","1") = "7"
    & skf18("4","8","7","8","6","5","1") = "7"
    & skf18("4","8","7","8","6","6","1") = "7"
    & skf18("4","8","7","8","6","7","1") = "7"
    & skf18("4","8","7","8","6","8","1") = "7"
    & skf18("4","8","7","8","6","9","1") = "8"
    & skf18("4","8","7","8","6","10","1") = "9"
    & skf18("4","8","7","8","7","1","1") = "7"
    & skf18("4","8","7","8","7","2","1") = "7"
    & skf18("4","8","7","8","7","3","1") = "7"
    & skf18("4","8","7","8","7","4","1") = "7"
    & skf18("4","8","7","8","7","5","1") = "7"
    & skf18("4","8","7","8","7","6","1") = "7"
    & skf18("4","8","7","8","7","7","1") = "7"
    & skf18("4","8","7","8","7","8","1") = "7"
    & skf18("4","8","7","8","7","9","1") = "8"
    & skf18("4","8","7","8","7","10","1") = "9"
    & skf18("4","8","7","8","8","1","1") = "7"
    & skf18("4","8","7","8","8","2","1") = "7"
    & skf18("4","8","7","8","8","3","1") = "7"
    & skf18("4","8","7","8","8","4","1") = "7"
    & skf18("4","8","7","8","8","5","1") = "7"
    & skf18("4","8","7","8","8","6","1") = "7"
    & skf18("4","8","7","8","8","7","1") = "7"
    & skf18("4","8","7","8","8","8","1") = "7"
    & skf18("4","8","7","8","8","9","1") = "8"
    & skf18("4","8","7","8","8","10","1") = "9"
    & skf18("4","8","7","8","9","1","1") = "8"
    & skf18("4","8","7","8","9","2","1") = "8"
    & skf18("4","8","7","8","9","3","1") = "8"
    & skf18("4","8","7","8","9","4","1") = "8"
    & skf18("4","8","7","8","9","5","1") = "8"
    & skf18("4","8","7","8","9","6","1") = "8"
    & skf18("4","8","7","8","9","7","1") = "8"
    & skf18("4","8","7","8","9","8","1") = "8"
    & skf18("4","8","7","8","9","9","1") = "8"
    & skf18("4","8","7","8","9","10","1") = "9"
    & skf18("4","8","7","8","10","1","1") = "9"
    & skf18("4","8","7","8","10","2","1") = "9"
    & skf18("4","8","7","8","10","3","1") = "9"
    & skf18("4","8","7","8","10","4","1") = "9"
    & skf18("4","8","7","8","10","5","1") = "9"
    & skf18("4","8","7","8","10","6","1") = "9"
    & skf18("4","8","7","8","10","7","1") = "9"
    & skf18("4","8","7","8","10","8","1") = "9"
    & skf18("4","8","7","8","10","9","1") = "9"
    & skf18("4","8","7","8","10","10","1") = "9"
    & skf18("4","8","7","9","1","1","1") = "8"
    & skf18("4","8","7","9","1","2","1") = "8"
    & skf18("4","8","7","9","1","3","1") = "8"
    & skf18("4","8","7","9","1","4","1") = "8"
    & skf18("4","8","7","9","1","5","1") = "8"
    & skf18("4","8","7","9","1","6","1") = "8"
    & skf18("4","8","7","9","1","7","1") = "8"
    & skf18("4","8","7","9","1","8","1") = "8"
    & skf18("4","8","7","9","1","9","1") = "8"
    & skf18("4","8","7","9","1","10","1") = "9"
    & skf18("4","8","7","9","2","1","1") = "8"
    & skf18("4","8","7","9","2","2","1") = "8"
    & skf18("4","8","7","9","2","3","1") = "8"
    & skf18("4","8","7","9","2","4","1") = "8"
    & skf18("4","8","7","9","2","5","1") = "8"
    & skf18("4","8","7","9","2","6","1") = "8"
    & skf18("4","8","7","9","2","7","1") = "8"
    & skf18("4","8","7","9","2","8","1") = "8"
    & skf18("4","8","7","9","2","9","1") = "8"
    & skf18("4","8","7","9","2","10","1") = "9"
    & skf18("4","8","7","9","3","1","1") = "8"
    & skf18("4","8","7","9","3","2","1") = "8"
    & skf18("4","8","7","9","3","3","1") = "8"
    & skf18("4","8","7","9","3","4","1") = "8"
    & skf18("4","8","7","9","3","5","1") = "8"
    & skf18("4","8","7","9","3","6","1") = "8"
    & skf18("4","8","7","9","3","7","1") = "8"
    & skf18("4","8","7","9","3","8","1") = "8"
    & skf18("4","8","7","9","3","9","1") = "8"
    & skf18("4","8","7","9","3","10","1") = "9"
    & skf18("4","8","7","9","4","1","1") = "8"
    & skf18("4","8","7","9","4","2","1") = "8"
    & skf18("4","8","7","9","4","3","1") = "8"
    & skf18("4","8","7","9","4","4","1") = "8"
    & skf18("4","8","7","9","4","5","1") = "8"
    & skf18("4","8","7","9","4","6","1") = "8"
    & skf18("4","8","7","9","4","7","1") = "8"
    & skf18("4","8","7","9","4","8","1") = "8"
    & skf18("4","8","7","9","4","9","1") = "8"
    & skf18("4","8","7","9","4","10","1") = "9"
    & skf18("4","8","7","9","5","1","1") = "8"
    & skf18("4","8","7","9","5","2","1") = "8"
    & skf18("4","8","7","9","5","3","1") = "8"
    & skf18("4","8","7","9","5","4","1") = "8"
    & skf18("4","8","7","9","5","5","1") = "8"
    & skf18("4","8","7","9","5","6","1") = "8"
    & skf18("4","8","7","9","5","7","1") = "8"
    & skf18("4","8","7","9","5","8","1") = "8"
    & skf18("4","8","7","9","5","9","1") = "8"
    & skf18("4","8","7","9","5","10","1") = "9"
    & skf18("4","8","7","9","6","1","1") = "8"
    & skf18("4","8","7","9","6","2","1") = "8"
    & skf18("4","8","7","9","6","3","1") = "8"
    & skf18("4","8","7","9","6","4","1") = "8"
    & skf18("4","8","7","9","6","5","1") = "8"
    & skf18("4","8","7","9","6","6","1") = "8"
    & skf18("4","8","7","9","6","7","1") = "8"
    & skf18("4","8","7","9","6","8","1") = "8"
    & skf18("4","8","7","9","6","9","1") = "8"
    & skf18("4","8","7","9","6","10","1") = "9"
    & skf18("4","8","7","9","7","1","1") = "8"
    & skf18("4","8","7","9","7","2","1") = "8"
    & skf18("4","8","7","9","7","3","1") = "8"
    & skf18("4","8","7","9","7","4","1") = "8"
    & skf18("4","8","7","9","7","5","1") = "8"
    & skf18("4","8","7","9","7","6","1") = "8"
    & skf18("4","8","7","9","7","7","1") = "8"
    & skf18("4","8","7","9","7","8","1") = "8"
    & skf18("4","8","7","9","7","9","1") = "8"
    & skf18("4","8","7","9","7","10","1") = "9"
    & skf18("4","8","7","9","8","1","1") = "8"
    & skf18("4","8","7","9","8","2","1") = "8"
    & skf18("4","8","7","9","8","3","1") = "8"
    & skf18("4","8","7","9","8","4","1") = "8"
    & skf18("4","8","7","9","8","5","1") = "8"
    & skf18("4","8","7","9","8","6","1") = "8"
    & skf18("4","8","7","9","8","7","1") = "8"
    & skf18("4","8","7","9","8","8","1") = "8"
    & skf18("4","8","7","9","8","9","1") = "8"
    & skf18("4","8","7","9","8","10","1") = "9"
    & skf18("4","8","7","9","9","1","1") = "8"
    & skf18("4","8","7","9","9","2","1") = "8"
    & skf18("4","8","7","9","9","3","1") = "8"
    & skf18("4","8","7","9","9","4","1") = "8"
    & skf18("4","8","7","9","9","5","1") = "8"
    & skf18("4","8","7","9","9","6","1") = "8"
    & skf18("4","8","7","9","9","7","1") = "8"
    & skf18("4","8","7","9","9","8","1") = "8"
    & skf18("4","8","7","9","9","9","1") = "8"
    & skf18("4","8","7","9","9","10","1") = "9"
    & skf18("4","8","7","9","10","1","1") = "9"
    & skf18("4","8","7","9","10","2","1") = "9"
    & skf18("4","8","7","9","10","3","1") = "9"
    & skf18("4","8","7","9","10","4","1") = "9"
    & skf18("4","8","7","9","10","5","1") = "9"
    & skf18("4","8","7","9","10","6","1") = "9"
    & skf18("4","8","7","9","10","7","1") = "9"
    & skf18("4","8","7","9","10","8","1") = "9"
    & skf18("4","8","7","9","10","9","1") = "9"
    & skf18("4","8","7","9","10","10","1") = "9"
    & skf18("4","8","7","10","1","1","1") = "9"
    & skf18("4","8","7","10","1","2","1") = "9"
    & skf18("4","8","7","10","1","3","1") = "9"
    & skf18("4","8","7","10","1","4","1") = "9"
    & skf18("4","8","7","10","1","5","1") = "9"
    & skf18("4","8","7","10","1","6","1") = "9"
    & skf18("4","8","7","10","1","7","1") = "9"
    & skf18("4","8","7","10","1","8","1") = "9"
    & skf18("4","8","7","10","1","9","1") = "9"
    & skf18("4","8","7","10","1","10","1") = "9"
    & skf18("4","8","7","10","2","1","1") = "9"
    & skf18("4","8","7","10","2","2","1") = "9"
    & skf18("4","8","7","10","2","3","1") = "9"
    & skf18("4","8","7","10","2","4","1") = "9"
    & skf18("4","8","7","10","2","5","1") = "9"
    & skf18("4","8","7","10","2","6","1") = "9"
    & skf18("4","8","7","10","2","7","1") = "9"
    & skf18("4","8","7","10","2","8","1") = "9"
    & skf18("4","8","7","10","2","9","1") = "9"
    & skf18("4","8","7","10","2","10","1") = "9"
    & skf18("4","8","7","10","3","1","1") = "9"
    & skf18("4","8","7","10","3","2","1") = "9"
    & skf18("4","8","7","10","3","3","1") = "9"
    & skf18("4","8","7","10","3","4","1") = "9"
    & skf18("4","8","7","10","3","5","1") = "9"
    & skf18("4","8","7","10","3","6","1") = "9"
    & skf18("4","8","7","10","3","7","1") = "9"
    & skf18("4","8","7","10","3","8","1") = "9"
    & skf18("4","8","7","10","3","9","1") = "9"
    & skf18("4","8","7","10","3","10","1") = "9"
    & skf18("4","8","7","10","4","1","1") = "9"
    & skf18("4","8","7","10","4","2","1") = "9"
    & skf18("4","8","7","10","4","3","1") = "9"
    & skf18("4","8","7","10","4","4","1") = "9"
    & skf18("4","8","7","10","4","5","1") = "9"
    & skf18("4","8","7","10","4","6","1") = "9"
    & skf18("4","8","7","10","4","7","1") = "9"
    & skf18("4","8","7","10","4","8","1") = "9"
    & skf18("4","8","7","10","4","9","1") = "9"
    & skf18("4","8","7","10","4","10","1") = "9"
    & skf18("4","8","7","10","5","1","1") = "9"
    & skf18("4","8","7","10","5","2","1") = "9"
    & skf18("4","8","7","10","5","3","1") = "9"
    & skf18("4","8","7","10","5","4","1") = "9"
    & skf18("4","8","7","10","5","5","1") = "9"
    & skf18("4","8","7","10","5","6","1") = "9"
    & skf18("4","8","7","10","5","7","1") = "9"
    & skf18("4","8","7","10","5","8","1") = "9"
    & skf18("4","8","7","10","5","9","1") = "9"
    & skf18("4","8","7","10","5","10","1") = "9"
    & skf18("4","8","7","10","6","1","1") = "9"
    & skf18("4","8","7","10","6","2","1") = "9"
    & skf18("4","8","7","10","6","3","1") = "9"
    & skf18("4","8","7","10","6","4","1") = "9"
    & skf18("4","8","7","10","6","5","1") = "9"
    & skf18("4","8","7","10","6","6","1") = "9"
    & skf18("4","8","7","10","6","7","1") = "9"
    & skf18("4","8","7","10","6","8","1") = "9"
    & skf18("4","8","7","10","6","9","1") = "9"
    & skf18("4","8","7","10","6","10","1") = "9"
    & skf18("4","8","7","10","7","1","1") = "9"
    & skf18("4","8","7","10","7","2","1") = "9"
    & skf18("4","8","7","10","7","3","1") = "9"
    & skf18("4","8","7","10","7","4","1") = "9"
    & skf18("4","8","7","10","7","5","1") = "9"
    & skf18("4","8","7","10","7","6","1") = "9"
    & skf18("4","8","7","10","7","7","1") = "9"
    & skf18("4","8","7","10","7","8","1") = "9"
    & skf18("4","8","7","10","7","9","1") = "9"
    & skf18("4","8","7","10","7","10","1") = "9"
    & skf18("4","8","7","10","8","1","1") = "9"
    & skf18("4","8","7","10","8","2","1") = "9"
    & skf18("4","8","7","10","8","3","1") = "9"
    & skf18("4","8","7","10","8","4","1") = "9"
    & skf18("4","8","7","10","8","5","1") = "9"
    & skf18("4","8","7","10","8","6","1") = "9"
    & skf18("4","8","7","10","8","7","1") = "9"
    & skf18("4","8","7","10","8","8","1") = "9"
    & skf18("4","8","7","10","8","9","1") = "9"
    & skf18("4","8","7","10","8","10","1") = "9"
    & skf18("4","8","7","10","9","1","1") = "9"
    & skf18("4","8","7","10","9","2","1") = "9"
    & skf18("4","8","7","10","9","3","1") = "9"
    & skf18("4","8","7","10","9","4","1") = "9"
    & skf18("4","8","7","10","9","5","1") = "9"
    & skf18("4","8","7","10","9","6","1") = "9"
    & skf18("4","8","7","10","9","7","1") = "9"
    & skf18("4","8","7","10","9","8","1") = "9"
    & skf18("4","8","7","10","9","9","1") = "9"
    & skf18("4","8","7","10","9","10","1") = "9"
    & skf18("4","8","7","10","10","1","1") = "9"
    & skf18("4","8","7","10","10","2","1") = "9"
    & skf18("4","8","7","10","10","3","1") = "9"
    & skf18("4","8","7","10","10","4","1") = "9"
    & skf18("4","8","7","10","10","5","1") = "9"
    & skf18("4","8","7","10","10","6","1") = "9"
    & skf18("4","8","7","10","10","7","1") = "9"
    & skf18("4","8","7","10","10","8","1") = "9"
    & skf18("4","8","7","10","10","9","1") = "9"
    & skf18("4","8","7","10","10","10","1") = "9"
    & skf18("4","8","8","1","1","1","1") = "7"
    & skf18("4","8","8","1","1","2","1") = "7"
    & skf18("4","8","8","1","1","3","1") = "7"
    & skf18("4","8","8","1","1","4","1") = "7"
    & skf18("4","8","8","1","1","5","1") = "7"
    & skf18("4","8","8","1","1","6","1") = "7"
    & skf18("4","8","8","1","1","7","1") = "7"
    & skf18("4","8","8","1","1","8","1") = "7"
    & skf18("4","8","8","1","1","9","1") = "8"
    & skf18("4","8","8","1","1","10","1") = "9"
    & skf18("4","8","8","1","2","1","1") = "7"
    & skf18("4","8","8","1","2","2","1") = "7"
    & skf18("4","8","8","1","2","3","1") = "7"
    & skf18("4","8","8","1","2","4","1") = "7"
    & skf18("4","8","8","1","2","5","1") = "7"
    & skf18("4","8","8","1","2","6","1") = "7"
    & skf18("4","8","8","1","2","7","1") = "7"
    & skf18("4","8","8","1","2","8","1") = "7"
    & skf18("4","8","8","1","2","9","1") = "8"
    & skf18("4","8","8","1","2","10","1") = "9"
    & skf18("4","8","8","1","3","1","1") = "7"
    & skf18("4","8","8","1","3","2","1") = "7"
    & skf18("4","8","8","1","3","3","1") = "7"
    & skf18("4","8","8","1","3","4","1") = "7"
    & skf18("4","8","8","1","3","5","1") = "7"
    & skf18("4","8","8","1","3","6","1") = "7"
    & skf18("4","8","8","1","3","7","1") = "7"
    & skf18("4","8","8","1","3","8","1") = "7"
    & skf18("4","8","8","1","3","9","1") = "8"
    & skf18("4","8","8","1","3","10","1") = "9"
    & skf18("4","8","8","1","4","1","1") = "7"
    & skf18("4","8","8","1","4","2","1") = "7"
    & skf18("4","8","8","1","4","3","1") = "7"
    & skf18("4","8","8","1","4","4","1") = "7"
    & skf18("4","8","8","1","4","5","1") = "7"
    & skf18("4","8","8","1","4","6","1") = "7"
    & skf18("4","8","8","1","4","7","1") = "7"
    & skf18("4","8","8","1","4","8","1") = "7"
    & skf18("4","8","8","1","4","9","1") = "8"
    & skf18("4","8","8","1","4","10","1") = "9"
    & skf18("4","8","8","1","5","1","1") = "7"
    & skf18("4","8","8","1","5","2","1") = "7"
    & skf18("4","8","8","1","5","3","1") = "7"
    & skf18("4","8","8","1","5","4","1") = "7"
    & skf18("4","8","8","1","5","5","1") = "7"
    & skf18("4","8","8","1","5","6","1") = "7"
    & skf18("4","8","8","1","5","7","1") = "7"
    & skf18("4","8","8","1","5","8","1") = "7"
    & skf18("4","8","8","1","5","9","1") = "8"
    & skf18("4","8","8","1","5","10","1") = "9"
    & skf18("4","8","8","1","6","1","1") = "7"
    & skf18("4","8","8","1","6","2","1") = "7"
    & skf18("4","8","8","1","6","3","1") = "7"
    & skf18("4","8","8","1","6","4","1") = "7"
    & skf18("4","8","8","1","6","5","1") = "7"
    & skf18("4","8","8","1","6","6","1") = "7"
    & skf18("4","8","8","1","6","7","1") = "7"
    & skf18("4","8","8","1","6","8","1") = "7"
    & skf18("4","8","8","1","6","9","1") = "8"
    & skf18("4","8","8","1","6","10","1") = "9"
    & skf18("4","8","8","1","7","1","1") = "7"
    & skf18("4","8","8","1","7","2","1") = "7"
    & skf18("4","8","8","1","7","3","1") = "7"
    & skf18("4","8","8","1","7","4","1") = "7"
    & skf18("4","8","8","1","7","5","1") = "7"
    & skf18("4","8","8","1","7","6","1") = "7"
    & skf18("4","8","8","1","7","7","1") = "7"
    & skf18("4","8","8","1","7","8","1") = "7"
    & skf18("4","8","8","1","7","9","1") = "8"
    & skf18("4","8","8","1","7","10","1") = "9"
    & skf18("4","8","8","1","8","1","1") = "7"
    & skf18("4","8","8","1","8","2","1") = "7"
    & skf18("4","8","8","1","8","3","1") = "7"
    & skf18("4","8","8","1","8","4","1") = "7"
    & skf18("4","8","8","1","8","5","1") = "7"
    & skf18("4","8","8","1","8","6","1") = "7"
    & skf18("4","8","8","1","8","7","1") = "7"
    & skf18("4","8","8","1","8","8","1") = "7"
    & skf18("4","8","8","1","8","9","1") = "8"
    & skf18("4","8","8","1","8","10","1") = "9"
    & skf18("4","8","8","1","9","1","1") = "8"
    & skf18("4","8","8","1","9","2","1") = "8"
    & skf18("4","8","8","1","9","3","1") = "8"
    & skf18("4","8","8","1","9","4","1") = "8"
    & skf18("4","8","8","1","9","5","1") = "8"
    & skf18("4","8","8","1","9","6","1") = "8"
    & skf18("4","8","8","1","9","7","1") = "8"
    & skf18("4","8","8","1","9","8","1") = "8"
    & skf18("4","8","8","1","9","9","1") = "8"
    & skf18("4","8","8","1","9","10","1") = "9"
    & skf18("4","8","8","1","10","1","1") = "9"
    & skf18("4","8","8","1","10","2","1") = "9"
    & skf18("4","8","8","1","10","3","1") = "9"
    & skf18("4","8","8","1","10","4","1") = "9"
    & skf18("4","8","8","1","10","5","1") = "9"
    & skf18("4","8","8","1","10","6","1") = "9"
    & skf18("4","8","8","1","10","7","1") = "9"
    & skf18("4","8","8","1","10","8","1") = "9"
    & skf18("4","8","8","1","10","9","1") = "9"
    & skf18("4","8","8","1","10","10","1") = "9"
    & skf18("4","8","8","2","1","1","1") = "7"
    & skf18("4","8","8","2","1","2","1") = "7"
    & skf18("4","8","8","2","1","3","1") = "7"
    & skf18("4","8","8","2","1","4","1") = "7"
    & skf18("4","8","8","2","1","5","1") = "7"
    & skf18("4","8","8","2","1","6","1") = "7"
    & skf18("4","8","8","2","1","7","1") = "7"
    & skf18("4","8","8","2","1","8","1") = "7"
    & skf18("4","8","8","2","1","9","1") = "8"
    & skf18("4","8","8","2","1","10","1") = "9"
    & skf18("4","8","8","2","2","1","1") = "7"
    & skf18("4","8","8","2","2","2","1") = "7"
    & skf18("4","8","8","2","2","3","1") = "7"
    & skf18("4","8","8","2","2","4","1") = "7"
    & skf18("4","8","8","2","2","5","1") = "7"
    & skf18("4","8","8","2","2","6","1") = "7"
    & skf18("4","8","8","2","2","7","1") = "7"
    & skf18("4","8","8","2","2","8","1") = "7"
    & skf18("4","8","8","2","2","9","1") = "8"
    & skf18("4","8","8","2","2","10","1") = "9"
    & skf18("4","8","8","2","3","1","1") = "7"
    & skf18("4","8","8","2","3","2","1") = "7"
    & skf18("4","8","8","2","3","3","1") = "7"
    & skf18("4","8","8","2","3","4","1") = "7"
    & skf18("4","8","8","2","3","5","1") = "7"
    & skf18("4","8","8","2","3","6","1") = "7"
    & skf18("4","8","8","2","3","7","1") = "7"
    & skf18("4","8","8","2","3","8","1") = "7"
    & skf18("4","8","8","2","3","9","1") = "8"
    & skf18("4","8","8","2","3","10","1") = "9"
    & skf18("4","8","8","2","4","1","1") = "7"
    & skf18("4","8","8","2","4","2","1") = "7"
    & skf18("4","8","8","2","4","3","1") = "7"
    & skf18("4","8","8","2","4","4","1") = "7"
    & skf18("4","8","8","2","4","5","1") = "7"
    & skf18("4","8","8","2","4","6","1") = "7"
    & skf18("4","8","8","2","4","7","1") = "7"
    & skf18("4","8","8","2","4","8","1") = "7"
    & skf18("4","8","8","2","4","9","1") = "8"
    & skf18("4","8","8","2","4","10","1") = "9"
    & skf18("4","8","8","2","5","1","1") = "7"
    & skf18("4","8","8","2","5","2","1") = "7"
    & skf18("4","8","8","2","5","3","1") = "7"
    & skf18("4","8","8","2","5","4","1") = "7"
    & skf18("4","8","8","2","5","5","1") = "7"
    & skf18("4","8","8","2","5","6","1") = "7"
    & skf18("4","8","8","2","5","7","1") = "7"
    & skf18("4","8","8","2","5","8","1") = "7"
    & skf18("4","8","8","2","5","9","1") = "8"
    & skf18("4","8","8","2","5","10","1") = "9"
    & skf18("4","8","8","2","6","1","1") = "7"
    & skf18("4","8","8","2","6","2","1") = "7"
    & skf18("4","8","8","2","6","3","1") = "7"
    & skf18("4","8","8","2","6","4","1") = "7"
    & skf18("4","8","8","2","6","5","1") = "7"
    & skf18("4","8","8","2","6","6","1") = "7"
    & skf18("4","8","8","2","6","7","1") = "7"
    & skf18("4","8","8","2","6","8","1") = "7"
    & skf18("4","8","8","2","6","9","1") = "8"
    & skf18("4","8","8","2","6","10","1") = "9"
    & skf18("4","8","8","2","7","1","1") = "7"
    & skf18("4","8","8","2","7","2","1") = "7"
    & skf18("4","8","8","2","7","3","1") = "7"
    & skf18("4","8","8","2","7","4","1") = "7"
    & skf18("4","8","8","2","7","5","1") = "7"
    & skf18("4","8","8","2","7","6","1") = "7"
    & skf18("4","8","8","2","7","7","1") = "7"
    & skf18("4","8","8","2","7","8","1") = "7"
    & skf18("4","8","8","2","7","9","1") = "8"
    & skf18("4","8","8","2","7","10","1") = "9"
    & skf18("4","8","8","2","8","1","1") = "7"
    & skf18("4","8","8","2","8","2","1") = "7"
    & skf18("4","8","8","2","8","3","1") = "7"
    & skf18("4","8","8","2","8","4","1") = "7"
    & skf18("4","8","8","2","8","5","1") = "7"
    & skf18("4","8","8","2","8","6","1") = "7"
    & skf18("4","8","8","2","8","7","1") = "7"
    & skf18("4","8","8","2","8","8","1") = "7"
    & skf18("4","8","8","2","8","9","1") = "8"
    & skf18("4","8","8","2","8","10","1") = "9"
    & skf18("4","8","8","2","9","1","1") = "8"
    & skf18("4","8","8","2","9","2","1") = "8"
    & skf18("4","8","8","2","9","3","1") = "8"
    & skf18("4","8","8","2","9","4","1") = "8"
    & skf18("4","8","8","2","9","5","1") = "8"
    & skf18("4","8","8","2","9","6","1") = "8"
    & skf18("4","8","8","2","9","7","1") = "8"
    & skf18("4","8","8","2","9","8","1") = "8"
    & skf18("4","8","8","2","9","9","1") = "8"
    & skf18("4","8","8","2","9","10","1") = "9"
    & skf18("4","8","8","2","10","1","1") = "9"
    & skf18("4","8","8","2","10","2","1") = "9"
    & skf18("4","8","8","2","10","3","1") = "9"
    & skf18("4","8","8","2","10","4","1") = "9"
    & skf18("4","8","8","2","10","5","1") = "9"
    & skf18("4","8","8","2","10","6","1") = "9"
    & skf18("4","8","8","2","10","7","1") = "9"
    & skf18("4","8","8","2","10","8","1") = "9"
    & skf18("4","8","8","2","10","9","1") = "9"
    & skf18("4","8","8","2","10","10","1") = "9"
    & skf18("4","8","8","3","1","1","1") = "7"
    & skf18("4","8","8","3","1","2","1") = "7"
    & skf18("4","8","8","3","1","3","1") = "7"
    & skf18("4","8","8","3","1","4","1") = "7"
    & skf18("4","8","8","3","1","5","1") = "7"
    & skf18("4","8","8","3","1","6","1") = "7"
    & skf18("4","8","8","3","1","7","1") = "7"
    & skf18("4","8","8","3","1","8","1") = "7"
    & skf18("4","8","8","3","1","9","1") = "8"
    & skf18("4","8","8","3","1","10","1") = "9"
    & skf18("4","8","8","3","2","1","1") = "7"
    & skf18("4","8","8","3","2","2","1") = "7"
    & skf18("4","8","8","3","2","3","1") = "7"
    & skf18("4","8","8","3","2","4","1") = "7"
    & skf18("4","8","8","3","2","5","1") = "7"
    & skf18("4","8","8","3","2","6","1") = "7"
    & skf18("4","8","8","3","2","7","1") = "7"
    & skf18("4","8","8","3","2","8","1") = "7"
    & skf18("4","8","8","3","2","9","1") = "8"
    & skf18("4","8","8","3","2","10","1") = "9"
    & skf18("4","8","8","3","3","1","1") = "7"
    & skf18("4","8","8","3","3","2","1") = "7"
    & skf18("4","8","8","3","3","3","1") = "7"
    & skf18("4","8","8","3","3","4","1") = "7"
    & skf18("4","8","8","3","3","5","1") = "7"
    & skf18("4","8","8","3","3","6","1") = "7"
    & skf18("4","8","8","3","3","7","1") = "7"
    & skf18("4","8","8","3","3","8","1") = "7"
    & skf18("4","8","8","3","3","9","1") = "8"
    & skf18("4","8","8","3","3","10","1") = "9"
    & skf18("4","8","8","3","4","1","1") = "7"
    & skf18("4","8","8","3","4","2","1") = "7"
    & skf18("4","8","8","3","4","3","1") = "7"
    & skf18("4","8","8","3","4","4","1") = "7"
    & skf18("4","8","8","3","4","5","1") = "7"
    & skf18("4","8","8","3","4","6","1") = "7"
    & skf18("4","8","8","3","4","7","1") = "7"
    & skf18("4","8","8","3","4","8","1") = "7"
    & skf18("4","8","8","3","4","9","1") = "8"
    & skf18("4","8","8","3","4","10","1") = "9"
    & skf18("4","8","8","3","5","1","1") = "7"
    & skf18("4","8","8","3","5","2","1") = "7"
    & skf18("4","8","8","3","5","3","1") = "7"
    & skf18("4","8","8","3","5","4","1") = "7"
    & skf18("4","8","8","3","5","5","1") = "7"
    & skf18("4","8","8","3","5","6","1") = "7"
    & skf18("4","8","8","3","5","7","1") = "7"
    & skf18("4","8","8","3","5","8","1") = "7"
    & skf18("4","8","8","3","5","9","1") = "8"
    & skf18("4","8","8","3","5","10","1") = "9"
    & skf18("4","8","8","3","6","1","1") = "7"
    & skf18("4","8","8","3","6","2","1") = "7"
    & skf18("4","8","8","3","6","3","1") = "7"
    & skf18("4","8","8","3","6","4","1") = "7"
    & skf18("4","8","8","3","6","5","1") = "7"
    & skf18("4","8","8","3","6","6","1") = "7"
    & skf18("4","8","8","3","6","7","1") = "7"
    & skf18("4","8","8","3","6","8","1") = "7"
    & skf18("4","8","8","3","6","9","1") = "8"
    & skf18("4","8","8","3","6","10","1") = "9"
    & skf18("4","8","8","3","7","1","1") = "7"
    & skf18("4","8","8","3","7","2","1") = "7"
    & skf18("4","8","8","3","7","3","1") = "7"
    & skf18("4","8","8","3","7","4","1") = "7"
    & skf18("4","8","8","3","7","5","1") = "7"
    & skf18("4","8","8","3","7","6","1") = "7"
    & skf18("4","8","8","3","7","7","1") = "7"
    & skf18("4","8","8","3","7","8","1") = "7"
    & skf18("4","8","8","3","7","9","1") = "8"
    & skf18("4","8","8","3","7","10","1") = "9"
    & skf18("4","8","8","3","8","1","1") = "7"
    & skf18("4","8","8","3","8","2","1") = "7"
    & skf18("4","8","8","3","8","3","1") = "7"
    & skf18("4","8","8","3","8","4","1") = "7"
    & skf18("4","8","8","3","8","5","1") = "7"
    & skf18("4","8","8","3","8","6","1") = "7"
    & skf18("4","8","8","3","8","7","1") = "7"
    & skf18("4","8","8","3","8","8","1") = "7"
    & skf18("4","8","8","3","8","9","1") = "8"
    & skf18("4","8","8","3","8","10","1") = "9"
    & skf18("4","8","8","3","9","1","1") = "8"
    & skf18("4","8","8","3","9","2","1") = "8"
    & skf18("4","8","8","3","9","3","1") = "8"
    & skf18("4","8","8","3","9","4","1") = "8"
    & skf18("4","8","8","3","9","5","1") = "8"
    & skf18("4","8","8","3","9","6","1") = "8"
    & skf18("4","8","8","3","9","7","1") = "8"
    & skf18("4","8","8","3","9","8","1") = "8"
    & skf18("4","8","8","3","9","9","1") = "8"
    & skf18("4","8","8","3","9","10","1") = "9"
    & skf18("4","8","8","3","10","1","1") = "9"
    & skf18("4","8","8","3","10","2","1") = "9"
    & skf18("4","8","8","3","10","3","1") = "9"
    & skf18("4","8","8","3","10","4","1") = "9"
    & skf18("4","8","8","3","10","5","1") = "9"
    & skf18("4","8","8","3","10","6","1") = "9"
    & skf18("4","8","8","3","10","7","1") = "9"
    & skf18("4","8","8","3","10","8","1") = "9"
    & skf18("4","8","8","3","10","9","1") = "9"
    & skf18("4","8","8","3","10","10","1") = "9"
    & skf18("4","8","8","4","1","1","1") = "7"
    & skf18("4","8","8","4","1","2","1") = "7"
    & skf18("4","8","8","4","1","3","1") = "7"
    & skf18("4","8","8","4","1","4","1") = "7"
    & skf18("4","8","8","4","1","5","1") = "7"
    & skf18("4","8","8","4","1","6","1") = "7"
    & skf18("4","8","8","4","1","7","1") = "7"
    & skf18("4","8","8","4","1","8","1") = "7"
    & skf18("4","8","8","4","1","9","1") = "8"
    & skf18("4","8","8","4","1","10","1") = "9"
    & skf18("4","8","8","4","2","1","1") = "7"
    & skf18("4","8","8","4","2","2","1") = "7"
    & skf18("4","8","8","4","2","3","1") = "7"
    & skf18("4","8","8","4","2","4","1") = "7"
    & skf18("4","8","8","4","2","5","1") = "7"
    & skf18("4","8","8","4","2","6","1") = "7"
    & skf18("4","8","8","4","2","7","1") = "7"
    & skf18("4","8","8","4","2","8","1") = "7"
    & skf18("4","8","8","4","2","9","1") = "8"
    & skf18("4","8","8","4","2","10","1") = "9"
    & skf18("4","8","8","4","3","1","1") = "7"
    & skf18("4","8","8","4","3","2","1") = "7"
    & skf18("4","8","8","4","3","3","1") = "7"
    & skf18("4","8","8","4","3","4","1") = "7"
    & skf18("4","8","8","4","3","5","1") = "7"
    & skf18("4","8","8","4","3","6","1") = "7"
    & skf18("4","8","8","4","3","7","1") = "7"
    & skf18("4","8","8","4","3","8","1") = "7"
    & skf18("4","8","8","4","3","9","1") = "8"
    & skf18("4","8","8","4","3","10","1") = "9"
    & skf18("4","8","8","4","4","1","1") = "7"
    & skf18("4","8","8","4","4","2","1") = "7"
    & skf18("4","8","8","4","4","3","1") = "7"
    & skf18("4","8","8","4","4","4","1") = "7"
    & skf18("4","8","8","4","4","5","1") = "7"
    & skf18("4","8","8","4","4","6","1") = "7"
    & skf18("4","8","8","4","4","7","1") = "7"
    & skf18("4","8","8","4","4","8","1") = "7"
    & skf18("4","8","8","4","4","9","1") = "8"
    & skf18("4","8","8","4","4","10","1") = "9"
    & skf18("4","8","8","4","5","1","1") = "7"
    & skf18("4","8","8","4","5","2","1") = "7"
    & skf18("4","8","8","4","5","3","1") = "7"
    & skf18("4","8","8","4","5","4","1") = "7"
    & skf18("4","8","8","4","5","5","1") = "7"
    & skf18("4","8","8","4","5","6","1") = "7"
    & skf18("4","8","8","4","5","7","1") = "7"
    & skf18("4","8","8","4","5","8","1") = "7"
    & skf18("4","8","8","4","5","9","1") = "8"
    & skf18("4","8","8","4","5","10","1") = "9"
    & skf18("4","8","8","4","6","1","1") = "7"
    & skf18("4","8","8","4","6","2","1") = "7"
    & skf18("4","8","8","4","6","3","1") = "7"
    & skf18("4","8","8","4","6","4","1") = "7"
    & skf18("4","8","8","4","6","5","1") = "7"
    & skf18("4","8","8","4","6","6","1") = "7"
    & skf18("4","8","8","4","6","7","1") = "7"
    & skf18("4","8","8","4","6","8","1") = "7"
    & skf18("4","8","8","4","6","9","1") = "8"
    & skf18("4","8","8","4","6","10","1") = "9"
    & skf18("4","8","8","4","7","1","1") = "7"
    & skf18("4","8","8","4","7","2","1") = "7"
    & skf18("4","8","8","4","7","3","1") = "7"
    & skf18("4","8","8","4","7","4","1") = "7"
    & skf18("4","8","8","4","7","5","1") = "7"
    & skf18("4","8","8","4","7","6","1") = "7"
    & skf18("4","8","8","4","7","7","1") = "7"
    & skf18("4","8","8","4","7","8","1") = "7"
    & skf18("4","8","8","4","7","9","1") = "8"
    & skf18("4","8","8","4","7","10","1") = "9"
    & skf18("4","8","8","4","8","1","1") = "7"
    & skf18("4","8","8","4","8","2","1") = "7"
    & skf18("4","8","8","4","8","3","1") = "7"
    & skf18("4","8","8","4","8","4","1") = "7"
    & skf18("4","8","8","4","8","5","1") = "7"
    & skf18("4","8","8","4","8","6","1") = "7"
    & skf18("4","8","8","4","8","7","1") = "7"
    & skf18("4","8","8","4","8","8","1") = "7"
    & skf18("4","8","8","4","8","9","1") = "8"
    & skf18("4","8","8","4","8","10","1") = "9"
    & skf18("4","8","8","4","9","1","1") = "8"
    & skf18("4","8","8","4","9","2","1") = "8"
    & skf18("4","8","8","4","9","3","1") = "8"
    & skf18("4","8","8","4","9","4","1") = "8"
    & skf18("4","8","8","4","9","5","1") = "8"
    & skf18("4","8","8","4","9","6","1") = "8"
    & skf18("4","8","8","4","9","7","1") = "8"
    & skf18("4","8","8","4","9","8","1") = "8"
    & skf18("4","8","8","4","9","9","1") = "8"
    & skf18("4","8","8","4","9","10","1") = "9"
    & skf18("4","8","8","4","10","1","1") = "9"
    & skf18("4","8","8","4","10","2","1") = "9"
    & skf18("4","8","8","4","10","3","1") = "9"
    & skf18("4","8","8","4","10","4","1") = "9"
    & skf18("4","8","8","4","10","5","1") = "9"
    & skf18("4","8","8","4","10","6","1") = "9"
    & skf18("4","8","8","4","10","7","1") = "9"
    & skf18("4","8","8","4","10","8","1") = "9"
    & skf18("4","8","8","4","10","9","1") = "9"
    & skf18("4","8","8","4","10","10","1") = "9"
    & skf18("4","8","8","5","1","1","1") = "7"
    & skf18("4","8","8","5","1","2","1") = "7"
    & skf18("4","8","8","5","1","3","1") = "7"
    & skf18("4","8","8","5","1","4","1") = "7"
    & skf18("4","8","8","5","1","5","1") = "7"
    & skf18("4","8","8","5","1","6","1") = "7"
    & skf18("4","8","8","5","1","7","1") = "7"
    & skf18("4","8","8","5","1","8","1") = "7"
    & skf18("4","8","8","5","1","9","1") = "8"
    & skf18("4","8","8","5","1","10","1") = "9"
    & skf18("4","8","8","5","2","1","1") = "7"
    & skf18("4","8","8","5","2","2","1") = "7"
    & skf18("4","8","8","5","2","3","1") = "7"
    & skf18("4","8","8","5","2","4","1") = "7"
    & skf18("4","8","8","5","2","5","1") = "7"
    & skf18("4","8","8","5","2","6","1") = "7"
    & skf18("4","8","8","5","2","7","1") = "7"
    & skf18("4","8","8","5","2","8","1") = "7"
    & skf18("4","8","8","5","2","9","1") = "8"
    & skf18("4","8","8","5","2","10","1") = "9"
    & skf18("4","8","8","5","3","1","1") = "7"
    & skf18("4","8","8","5","3","2","1") = "7"
    & skf18("4","8","8","5","3","3","1") = "7"
    & skf18("4","8","8","5","3","4","1") = "7"
    & skf18("4","8","8","5","3","5","1") = "7"
    & skf18("4","8","8","5","3","6","1") = "7"
    & skf18("4","8","8","5","3","7","1") = "7"
    & skf18("4","8","8","5","3","8","1") = "7"
    & skf18("4","8","8","5","3","9","1") = "8"
    & skf18("4","8","8","5","3","10","1") = "9"
    & skf18("4","8","8","5","4","1","1") = "7"
    & skf18("4","8","8","5","4","2","1") = "7"
    & skf18("4","8","8","5","4","3","1") = "7"
    & skf18("4","8","8","5","4","4","1") = "7"
    & skf18("4","8","8","5","4","5","1") = "7"
    & skf18("4","8","8","5","4","6","1") = "7"
    & skf18("4","8","8","5","4","7","1") = "7"
    & skf18("4","8","8","5","4","8","1") = "7"
    & skf18("4","8","8","5","4","9","1") = "8"
    & skf18("4","8","8","5","4","10","1") = "9"
    & skf18("4","8","8","5","5","1","1") = "7"
    & skf18("4","8","8","5","5","2","1") = "7"
    & skf18("4","8","8","5","5","3","1") = "7"
    & skf18("4","8","8","5","5","4","1") = "7"
    & skf18("4","8","8","5","5","5","1") = "7"
    & skf18("4","8","8","5","5","6","1") = "7"
    & skf18("4","8","8","5","5","7","1") = "7"
    & skf18("4","8","8","5","5","8","1") = "7"
    & skf18("4","8","8","5","5","9","1") = "8"
    & skf18("4","8","8","5","5","10","1") = "9"
    & skf18("4","8","8","5","6","1","1") = "7"
    & skf18("4","8","8","5","6","2","1") = "7"
    & skf18("4","8","8","5","6","3","1") = "7"
    & skf18("4","8","8","5","6","4","1") = "7"
    & skf18("4","8","8","5","6","5","1") = "7"
    & skf18("4","8","8","5","6","6","1") = "7"
    & skf18("4","8","8","5","6","7","1") = "7"
    & skf18("4","8","8","5","6","8","1") = "7"
    & skf18("4","8","8","5","6","9","1") = "8"
    & skf18("4","8","8","5","6","10","1") = "9"
    & skf18("4","8","8","5","7","1","1") = "7"
    & skf18("4","8","8","5","7","2","1") = "7"
    & skf18("4","8","8","5","7","3","1") = "7"
    & skf18("4","8","8","5","7","4","1") = "7"
    & skf18("4","8","8","5","7","5","1") = "7"
    & skf18("4","8","8","5","7","6","1") = "7"
    & skf18("4","8","8","5","7","7","1") = "7"
    & skf18("4","8","8","5","7","8","1") = "7"
    & skf18("4","8","8","5","7","9","1") = "8"
    & skf18("4","8","8","5","7","10","1") = "9"
    & skf18("4","8","8","5","8","1","1") = "7"
    & skf18("4","8","8","5","8","2","1") = "7"
    & skf18("4","8","8","5","8","3","1") = "7"
    & skf18("4","8","8","5","8","4","1") = "7"
    & skf18("4","8","8","5","8","5","1") = "7"
    & skf18("4","8","8","5","8","6","1") = "7"
    & skf18("4","8","8","5","8","7","1") = "7"
    & skf18("4","8","8","5","8","8","1") = "7"
    & skf18("4","8","8","5","8","9","1") = "8"
    & skf18("4","8","8","5","8","10","1") = "9"
    & skf18("4","8","8","5","9","1","1") = "8"
    & skf18("4","8","8","5","9","2","1") = "8"
    & skf18("4","8","8","5","9","3","1") = "8"
    & skf18("4","8","8","5","9","4","1") = "8"
    & skf18("4","8","8","5","9","5","1") = "8"
    & skf18("4","8","8","5","9","6","1") = "8"
    & skf18("4","8","8","5","9","7","1") = "8"
    & skf18("4","8","8","5","9","8","1") = "8"
    & skf18("4","8","8","5","9","9","1") = "8"
    & skf18("4","8","8","5","9","10","1") = "9"
    & skf18("4","8","8","5","10","1","1") = "9"
    & skf18("4","8","8","5","10","2","1") = "9"
    & skf18("4","8","8","5","10","3","1") = "9"
    & skf18("4","8","8","5","10","4","1") = "9"
    & skf18("4","8","8","5","10","5","1") = "9"
    & skf18("4","8","8","5","10","6","1") = "9"
    & skf18("4","8","8","5","10","7","1") = "9"
    & skf18("4","8","8","5","10","8","1") = "9"
    & skf18("4","8","8","5","10","9","1") = "9"
    & skf18("4","8","8","5","10","10","1") = "9"
    & skf18("4","8","8","6","1","1","1") = "7"
    & skf18("4","8","8","6","1","2","1") = "7"
    & skf18("4","8","8","6","1","3","1") = "7"
    & skf18("4","8","8","6","1","4","1") = "7"
    & skf18("4","8","8","6","1","5","1") = "7"
    & skf18("4","8","8","6","1","6","1") = "7"
    & skf18("4","8","8","6","1","7","1") = "7"
    & skf18("4","8","8","6","1","8","1") = "7"
    & skf18("4","8","8","6","1","9","1") = "8"
    & skf18("4","8","8","6","1","10","1") = "9"
    & skf18("4","8","8","6","2","1","1") = "7"
    & skf18("4","8","8","6","2","2","1") = "7"
    & skf18("4","8","8","6","2","3","1") = "7"
    & skf18("4","8","8","6","2","4","1") = "7"
    & skf18("4","8","8","6","2","5","1") = "7"
    & skf18("4","8","8","6","2","6","1") = "7"
    & skf18("4","8","8","6","2","7","1") = "7"
    & skf18("4","8","8","6","2","8","1") = "7"
    & skf18("4","8","8","6","2","9","1") = "8"
    & skf18("4","8","8","6","2","10","1") = "9"
    & skf18("4","8","8","6","3","1","1") = "7"
    & skf18("4","8","8","6","3","2","1") = "7"
    & skf18("4","8","8","6","3","3","1") = "7"
    & skf18("4","8","8","6","3","4","1") = "7"
    & skf18("4","8","8","6","3","5","1") = "7"
    & skf18("4","8","8","6","3","6","1") = "7"
    & skf18("4","8","8","6","3","7","1") = "7"
    & skf18("4","8","8","6","3","8","1") = "7"
    & skf18("4","8","8","6","3","9","1") = "8"
    & skf18("4","8","8","6","3","10","1") = "9"
    & skf18("4","8","8","6","4","1","1") = "7"
    & skf18("4","8","8","6","4","2","1") = "7"
    & skf18("4","8","8","6","4","3","1") = "7"
    & skf18("4","8","8","6","4","4","1") = "7"
    & skf18("4","8","8","6","4","5","1") = "7"
    & skf18("4","8","8","6","4","6","1") = "7"
    & skf18("4","8","8","6","4","7","1") = "7"
    & skf18("4","8","8","6","4","8","1") = "7"
    & skf18("4","8","8","6","4","9","1") = "8"
    & skf18("4","8","8","6","4","10","1") = "9"
    & skf18("4","8","8","6","5","1","1") = "7"
    & skf18("4","8","8","6","5","2","1") = "7"
    & skf18("4","8","8","6","5","3","1") = "7"
    & skf18("4","8","8","6","5","4","1") = "7"
    & skf18("4","8","8","6","5","5","1") = "7"
    & skf18("4","8","8","6","5","6","1") = "7"
    & skf18("4","8","8","6","5","7","1") = "7"
    & skf18("4","8","8","6","5","8","1") = "7"
    & skf18("4","8","8","6","5","9","1") = "8"
    & skf18("4","8","8","6","5","10","1") = "9"
    & skf18("4","8","8","6","6","1","1") = "7"
    & skf18("4","8","8","6","6","2","1") = "7"
    & skf18("4","8","8","6","6","3","1") = "7"
    & skf18("4","8","8","6","6","4","1") = "7"
    & skf18("4","8","8","6","6","5","1") = "7"
    & skf18("4","8","8","6","6","6","1") = "7"
    & skf18("4","8","8","6","6","7","1") = "7"
    & skf18("4","8","8","6","6","8","1") = "7"
    & skf18("4","8","8","6","6","9","1") = "8"
    & skf18("4","8","8","6","6","10","1") = "9"
    & skf18("4","8","8","6","7","1","1") = "7"
    & skf18("4","8","8","6","7","2","1") = "7"
    & skf18("4","8","8","6","7","3","1") = "7"
    & skf18("4","8","8","6","7","4","1") = "7"
    & skf18("4","8","8","6","7","5","1") = "7"
    & skf18("4","8","8","6","7","6","1") = "7"
    & skf18("4","8","8","6","7","7","1") = "7"
    & skf18("4","8","8","6","7","8","1") = "7"
    & skf18("4","8","8","6","7","9","1") = "8"
    & skf18("4","8","8","6","7","10","1") = "9"
    & skf18("4","8","8","6","8","1","1") = "7"
    & skf18("4","8","8","6","8","2","1") = "7"
    & skf18("4","8","8","6","8","3","1") = "7"
    & skf18("4","8","8","6","8","4","1") = "7"
    & skf18("4","8","8","6","8","5","1") = "7"
    & skf18("4","8","8","6","8","6","1") = "7"
    & skf18("4","8","8","6","8","7","1") = "7"
    & skf18("4","8","8","6","8","8","1") = "7"
    & skf18("4","8","8","6","8","9","1") = "8"
    & skf18("4","8","8","6","8","10","1") = "9"
    & skf18("4","8","8","6","9","1","1") = "8"
    & skf18("4","8","8","6","9","2","1") = "8"
    & skf18("4","8","8","6","9","3","1") = "8"
    & skf18("4","8","8","6","9","4","1") = "8"
    & skf18("4","8","8","6","9","5","1") = "8"
    & skf18("4","8","8","6","9","6","1") = "8"
    & skf18("4","8","8","6","9","7","1") = "8"
    & skf18("4","8","8","6","9","8","1") = "8"
    & skf18("4","8","8","6","9","9","1") = "8"
    & skf18("4","8","8","6","9","10","1") = "9"
    & skf18("4","8","8","6","10","1","1") = "9"
    & skf18("4","8","8","6","10","2","1") = "9"
    & skf18("4","8","8","6","10","3","1") = "9"
    & skf18("4","8","8","6","10","4","1") = "9"
    & skf18("4","8","8","6","10","5","1") = "9"
    & skf18("4","8","8","6","10","6","1") = "9"
    & skf18("4","8","8","6","10","7","1") = "9"
    & skf18("4","8","8","6","10","8","1") = "9"
    & skf18("4","8","8","6","10","9","1") = "9"
    & skf18("4","8","8","6","10","10","1") = "9"
    & skf18("4","8","8","7","1","1","1") = "7"
    & skf18("4","8","8","7","1","2","1") = "7"
    & skf18("4","8","8","7","1","3","1") = "7"
    & skf18("4","8","8","7","1","4","1") = "7"
    & skf18("4","8","8","7","1","5","1") = "7"
    & skf18("4","8","8","7","1","6","1") = "7"
    & skf18("4","8","8","7","1","7","1") = "7"
    & skf18("4","8","8","7","1","8","1") = "7"
    & skf18("4","8","8","7","1","9","1") = "8"
    & skf18("4","8","8","7","1","10","1") = "9"
    & skf18("4","8","8","7","2","1","1") = "7"
    & skf18("4","8","8","7","2","2","1") = "7"
    & skf18("4","8","8","7","2","3","1") = "7"
    & skf18("4","8","8","7","2","4","1") = "7"
    & skf18("4","8","8","7","2","5","1") = "7"
    & skf18("4","8","8","7","2","6","1") = "7"
    & skf18("4","8","8","7","2","7","1") = "7"
    & skf18("4","8","8","7","2","8","1") = "7"
    & skf18("4","8","8","7","2","9","1") = "8"
    & skf18("4","8","8","7","2","10","1") = "9"
    & skf18("4","8","8","7","3","1","1") = "7"
    & skf18("4","8","8","7","3","2","1") = "7"
    & skf18("4","8","8","7","3","3","1") = "7"
    & skf18("4","8","8","7","3","4","1") = "7"
    & skf18("4","8","8","7","3","5","1") = "7"
    & skf18("4","8","8","7","3","6","1") = "7"
    & skf18("4","8","8","7","3","7","1") = "7"
    & skf18("4","8","8","7","3","8","1") = "7"
    & skf18("4","8","8","7","3","9","1") = "8"
    & skf18("4","8","8","7","3","10","1") = "9"
    & skf18("4","8","8","7","4","1","1") = "7"
    & skf18("4","8","8","7","4","2","1") = "7"
    & skf18("4","8","8","7","4","3","1") = "7"
    & skf18("4","8","8","7","4","4","1") = "7"
    & skf18("4","8","8","7","4","5","1") = "7"
    & skf18("4","8","8","7","4","6","1") = "7"
    & skf18("4","8","8","7","4","7","1") = "7"
    & skf18("4","8","8","7","4","8","1") = "7"
    & skf18("4","8","8","7","4","9","1") = "8"
    & skf18("4","8","8","7","4","10","1") = "9"
    & skf18("4","8","8","7","5","1","1") = "7"
    & skf18("4","8","8","7","5","2","1") = "7"
    & skf18("4","8","8","7","5","3","1") = "7"
    & skf18("4","8","8","7","5","4","1") = "7"
    & skf18("4","8","8","7","5","5","1") = "7"
    & skf18("4","8","8","7","5","6","1") = "7"
    & skf18("4","8","8","7","5","7","1") = "7"
    & skf18("4","8","8","7","5","8","1") = "7"
    & skf18("4","8","8","7","5","9","1") = "8"
    & skf18("4","8","8","7","5","10","1") = "9"
    & skf18("4","8","8","7","6","1","1") = "7"
    & skf18("4","8","8","7","6","2","1") = "7"
    & skf18("4","8","8","7","6","3","1") = "7"
    & skf18("4","8","8","7","6","4","1") = "7"
    & skf18("4","8","8","7","6","5","1") = "7"
    & skf18("4","8","8","7","6","6","1") = "7"
    & skf18("4","8","8","7","6","7","1") = "7"
    & skf18("4","8","8","7","6","8","1") = "7"
    & skf18("4","8","8","7","6","9","1") = "8"
    & skf18("4","8","8","7","6","10","1") = "9"
    & skf18("4","8","8","7","7","1","1") = "7"
    & skf18("4","8","8","7","7","2","1") = "7"
    & skf18("4","8","8","7","7","3","1") = "7"
    & skf18("4","8","8","7","7","4","1") = "7"
    & skf18("4","8","8","7","7","5","1") = "7"
    & skf18("4","8","8","7","7","6","1") = "7"
    & skf18("4","8","8","7","7","7","1") = "7"
    & skf18("4","8","8","7","7","8","1") = "7"
    & skf18("4","8","8","7","7","9","1") = "8"
    & skf18("4","8","8","7","7","10","1") = "9"
    & skf18("4","8","8","7","8","1","1") = "7"
    & skf18("4","8","8","7","8","2","1") = "7"
    & skf18("4","8","8","7","8","3","1") = "7"
    & skf18("4","8","8","7","8","4","1") = "7"
    & skf18("4","8","8","7","8","5","1") = "7"
    & skf18("4","8","8","7","8","6","1") = "7"
    & skf18("4","8","8","7","8","7","1") = "7"
    & skf18("4","8","8","7","8","8","1") = "7"
    & skf18("4","8","8","7","8","9","1") = "8"
    & skf18("4","8","8","7","8","10","1") = "9"
    & skf18("4","8","8","7","9","1","1") = "8"
    & skf18("4","8","8","7","9","2","1") = "8"
    & skf18("4","8","8","7","9","3","1") = "8"
    & skf18("4","8","8","7","9","4","1") = "8"
    & skf18("4","8","8","7","9","5","1") = "8"
    & skf18("4","8","8","7","9","6","1") = "8"
    & skf18("4","8","8","7","9","7","1") = "8"
    & skf18("4","8","8","7","9","8","1") = "8"
    & skf18("4","8","8","7","9","9","1") = "8"
    & skf18("4","8","8","7","9","10","1") = "9"
    & skf18("4","8","8","7","10","1","1") = "9"
    & skf18("4","8","8","7","10","2","1") = "9"
    & skf18("4","8","8","7","10","3","1") = "9"
    & skf18("4","8","8","7","10","4","1") = "9"
    & skf18("4","8","8","7","10","5","1") = "9"
    & skf18("4","8","8","7","10","6","1") = "9"
    & skf18("4","8","8","7","10","7","1") = "9"
    & skf18("4","8","8","7","10","8","1") = "9"
    & skf18("4","8","8","7","10","9","1") = "9"
    & skf18("4","8","8","7","10","10","1") = "9"
    & skf18("4","8","8","8","1","1","1") = "7"
    & skf18("4","8","8","8","1","2","1") = "7"
    & skf18("4","8","8","8","1","3","1") = "7"
    & skf18("4","8","8","8","1","4","1") = "7"
    & skf18("4","8","8","8","1","5","1") = "7"
    & skf18("4","8","8","8","1","6","1") = "7"
    & skf18("4","8","8","8","1","7","1") = "7"
    & skf18("4","8","8","8","1","8","1") = "7"
    & skf18("4","8","8","8","1","9","1") = "8"
    & skf18("4","8","8","8","1","10","1") = "9"
    & skf18("4","8","8","8","2","1","1") = "7"
    & skf18("4","8","8","8","2","2","1") = "7"
    & skf18("4","8","8","8","2","3","1") = "7"
    & skf18("4","8","8","8","2","4","1") = "7"
    & skf18("4","8","8","8","2","5","1") = "7"
    & skf18("4","8","8","8","2","6","1") = "7"
    & skf18("4","8","8","8","2","7","1") = "7"
    & skf18("4","8","8","8","2","8","1") = "7"
    & skf18("4","8","8","8","2","9","1") = "8"
    & skf18("4","8","8","8","2","10","1") = "9"
    & skf18("4","8","8","8","3","1","1") = "7"
    & skf18("4","8","8","8","3","2","1") = "7"
    & skf18("4","8","8","8","3","3","1") = "7"
    & skf18("4","8","8","8","3","4","1") = "7"
    & skf18("4","8","8","8","3","5","1") = "7"
    & skf18("4","8","8","8","3","6","1") = "7"
    & skf18("4","8","8","8","3","7","1") = "7"
    & skf18("4","8","8","8","3","8","1") = "7"
    & skf18("4","8","8","8","3","9","1") = "8"
    & skf18("4","8","8","8","3","10","1") = "9"
    & skf18("4","8","8","8","4","1","1") = "7"
    & skf18("4","8","8","8","4","2","1") = "7"
    & skf18("4","8","8","8","4","3","1") = "7"
    & skf18("4","8","8","8","4","4","1") = "7"
    & skf18("4","8","8","8","4","5","1") = "7"
    & skf18("4","8","8","8","4","6","1") = "7"
    & skf18("4","8","8","8","4","7","1") = "7"
    & skf18("4","8","8","8","4","8","1") = "7"
    & skf18("4","8","8","8","4","9","1") = "8"
    & skf18("4","8","8","8","4","10","1") = "9"
    & skf18("4","8","8","8","5","1","1") = "7"
    & skf18("4","8","8","8","5","2","1") = "7"
    & skf18("4","8","8","8","5","3","1") = "7"
    & skf18("4","8","8","8","5","4","1") = "7"
    & skf18("4","8","8","8","5","5","1") = "7"
    & skf18("4","8","8","8","5","6","1") = "7"
    & skf18("4","8","8","8","5","7","1") = "7"
    & skf18("4","8","8","8","5","8","1") = "7"
    & skf18("4","8","8","8","5","9","1") = "8"
    & skf18("4","8","8","8","5","10","1") = "9"
    & skf18("4","8","8","8","6","1","1") = "7"
    & skf18("4","8","8","8","6","2","1") = "7"
    & skf18("4","8","8","8","6","3","1") = "7"
    & skf18("4","8","8","8","6","4","1") = "7"
    & skf18("4","8","8","8","6","5","1") = "7"
    & skf18("4","8","8","8","6","6","1") = "7"
    & skf18("4","8","8","8","6","7","1") = "7"
    & skf18("4","8","8","8","6","8","1") = "7"
    & skf18("4","8","8","8","6","9","1") = "8"
    & skf18("4","8","8","8","6","10","1") = "9"
    & skf18("4","8","8","8","7","1","1") = "7"
    & skf18("4","8","8","8","7","2","1") = "7"
    & skf18("4","8","8","8","7","3","1") = "7"
    & skf18("4","8","8","8","7","4","1") = "7"
    & skf18("4","8","8","8","7","5","1") = "7"
    & skf18("4","8","8","8","7","6","1") = "7"
    & skf18("4","8","8","8","7","7","1") = "7"
    & skf18("4","8","8","8","7","8","1") = "7"
    & skf18("4","8","8","8","7","9","1") = "8"
    & skf18("4","8","8","8","7","10","1") = "9"
    & skf18("4","8","8","8","8","1","1") = "7"
    & skf18("4","8","8","8","8","2","1") = "7"
    & skf18("4","8","8","8","8","3","1") = "7"
    & skf18("4","8","8","8","8","4","1") = "7"
    & skf18("4","8","8","8","8","5","1") = "7"
    & skf18("4","8","8","8","8","6","1") = "7"
    & skf18("4","8","8","8","8","7","1") = "7"
    & skf18("4","8","8","8","8","8","1") = "7"
    & skf18("4","8","8","8","8","9","1") = "8"
    & skf18("4","8","8","8","8","10","1") = "9"
    & skf18("4","8","8","8","9","1","1") = "8"
    & skf18("4","8","8","8","9","2","1") = "8"
    & skf18("4","8","8","8","9","3","1") = "8"
    & skf18("4","8","8","8","9","4","1") = "8"
    & skf18("4","8","8","8","9","5","1") = "8"
    & skf18("4","8","8","8","9","6","1") = "8"
    & skf18("4","8","8","8","9","7","1") = "8"
    & skf18("4","8","8","8","9","8","1") = "8"
    & skf18("4","8","8","8","9","9","1") = "8"
    & skf18("4","8","8","8","9","10","1") = "9"
    & skf18("4","8","8","8","10","1","1") = "9"
    & skf18("4","8","8","8","10","2","1") = "9"
    & skf18("4","8","8","8","10","3","1") = "9"
    & skf18("4","8","8","8","10","4","1") = "9"
    & skf18("4","8","8","8","10","5","1") = "9"
    & skf18("4","8","8","8","10","6","1") = "9"
    & skf18("4","8","8","8","10","7","1") = "9"
    & skf18("4","8","8","8","10","8","1") = "9"
    & skf18("4","8","8","8","10","9","1") = "9"
    & skf18("4","8","8","8","10","10","1") = "9"
    & skf18("4","8","8","9","1","1","1") = "8"
    & skf18("4","8","8","9","1","2","1") = "8"
    & skf18("4","8","8","9","1","3","1") = "8"
    & skf18("4","8","8","9","1","4","1") = "8"
    & skf18("4","8","8","9","1","5","1") = "8"
    & skf18("4","8","8","9","1","6","1") = "8"
    & skf18("4","8","8","9","1","7","1") = "8"
    & skf18("4","8","8","9","1","8","1") = "8"
    & skf18("4","8","8","9","1","9","1") = "8"
    & skf18("4","8","8","9","1","10","1") = "9"
    & skf18("4","8","8","9","2","1","1") = "8"
    & skf18("4","8","8","9","2","2","1") = "8"
    & skf18("4","8","8","9","2","3","1") = "8"
    & skf18("4","8","8","9","2","4","1") = "8"
    & skf18("4","8","8","9","2","5","1") = "8"
    & skf18("4","8","8","9","2","6","1") = "8"
    & skf18("4","8","8","9","2","7","1") = "8"
    & skf18("4","8","8","9","2","8","1") = "8"
    & skf18("4","8","8","9","2","9","1") = "8"
    & skf18("4","8","8","9","2","10","1") = "9"
    & skf18("4","8","8","9","3","1","1") = "8"
    & skf18("4","8","8","9","3","2","1") = "8"
    & skf18("4","8","8","9","3","3","1") = "8"
    & skf18("4","8","8","9","3","4","1") = "8"
    & skf18("4","8","8","9","3","5","1") = "8"
    & skf18("4","8","8","9","3","6","1") = "8"
    & skf18("4","8","8","9","3","7","1") = "8"
    & skf18("4","8","8","9","3","8","1") = "8"
    & skf18("4","8","8","9","3","9","1") = "8"
    & skf18("4","8","8","9","3","10","1") = "9"
    & skf18("4","8","8","9","4","1","1") = "8"
    & skf18("4","8","8","9","4","2","1") = "8"
    & skf18("4","8","8","9","4","3","1") = "8"
    & skf18("4","8","8","9","4","4","1") = "8"
    & skf18("4","8","8","9","4","5","1") = "8"
    & skf18("4","8","8","9","4","6","1") = "8"
    & skf18("4","8","8","9","4","7","1") = "8"
    & skf18("4","8","8","9","4","8","1") = "8"
    & skf18("4","8","8","9","4","9","1") = "8"
    & skf18("4","8","8","9","4","10","1") = "9"
    & skf18("4","8","8","9","5","1","1") = "8"
    & skf18("4","8","8","9","5","2","1") = "8"
    & skf18("4","8","8","9","5","3","1") = "8"
    & skf18("4","8","8","9","5","4","1") = "8"
    & skf18("4","8","8","9","5","5","1") = "8"
    & skf18("4","8","8","9","5","6","1") = "8"
    & skf18("4","8","8","9","5","7","1") = "8"
    & skf18("4","8","8","9","5","8","1") = "8"
    & skf18("4","8","8","9","5","9","1") = "8"
    & skf18("4","8","8","9","5","10","1") = "9"
    & skf18("4","8","8","9","6","1","1") = "8"
    & skf18("4","8","8","9","6","2","1") = "8"
    & skf18("4","8","8","9","6","3","1") = "8"
    & skf18("4","8","8","9","6","4","1") = "8"
    & skf18("4","8","8","9","6","5","1") = "8"
    & skf18("4","8","8","9","6","6","1") = "8"
    & skf18("4","8","8","9","6","7","1") = "8"
    & skf18("4","8","8","9","6","8","1") = "8"
    & skf18("4","8","8","9","6","9","1") = "8"
    & skf18("4","8","8","9","6","10","1") = "9"
    & skf18("4","8","8","9","7","1","1") = "8"
    & skf18("4","8","8","9","7","2","1") = "8"
    & skf18("4","8","8","9","7","3","1") = "8"
    & skf18("4","8","8","9","7","4","1") = "8"
    & skf18("4","8","8","9","7","5","1") = "8"
    & skf18("4","8","8","9","7","6","1") = "8"
    & skf18("4","8","8","9","7","7","1") = "8"
    & skf18("4","8","8","9","7","8","1") = "8"
    & skf18("4","8","8","9","7","9","1") = "8"
    & skf18("4","8","8","9","7","10","1") = "9"
    & skf18("4","8","8","9","8","1","1") = "8"
    & skf18("4","8","8","9","8","2","1") = "8"
    & skf18("4","8","8","9","8","3","1") = "8"
    & skf18("4","8","8","9","8","4","1") = "8"
    & skf18("4","8","8","9","8","5","1") = "8"
    & skf18("4","8","8","9","8","6","1") = "8"
    & skf18("4","8","8","9","8","7","1") = "8"
    & skf18("4","8","8","9","8","8","1") = "8"
    & skf18("4","8","8","9","8","9","1") = "8"
    & skf18("4","8","8","9","8","10","1") = "9"
    & skf18("4","8","8","9","9","1","1") = "8"
    & skf18("4","8","8","9","9","2","1") = "8"
    & skf18("4","8","8","9","9","3","1") = "8"
    & skf18("4","8","8","9","9","4","1") = "8"
    & skf18("4","8","8","9","9","5","1") = "8"
    & skf18("4","8","8","9","9","6","1") = "8"
    & skf18("4","8","8","9","9","7","1") = "8"
    & skf18("4","8","8","9","9","8","1") = "8"
    & skf18("4","8","8","9","9","9","1") = "8"
    & skf18("4","8","8","9","9","10","1") = "9"
    & skf18("4","8","8","9","10","1","1") = "9"
    & skf18("4","8","8","9","10","2","1") = "9"
    & skf18("4","8","8","9","10","3","1") = "9"
    & skf18("4","8","8","9","10","4","1") = "9"
    & skf18("4","8","8","9","10","5","1") = "9"
    & skf18("4","8","8","9","10","6","1") = "9"
    & skf18("4","8","8","9","10","7","1") = "9"
    & skf18("4","8","8","9","10","8","1") = "9"
    & skf18("4","8","8","9","10","9","1") = "9"
    & skf18("4","8","8","9","10","10","1") = "9"
    & skf18("4","8","8","10","1","1","1") = "9"
    & skf18("4","8","8","10","1","2","1") = "9"
    & skf18("4","8","8","10","1","3","1") = "9"
    & skf18("4","8","8","10","1","4","1") = "9"
    & skf18("4","8","8","10","1","5","1") = "9"
    & skf18("4","8","8","10","1","6","1") = "9"
    & skf18("4","8","8","10","1","7","1") = "9"
    & skf18("4","8","8","10","1","8","1") = "9"
    & skf18("4","8","8","10","1","9","1") = "9"
    & skf18("4","8","8","10","1","10","1") = "9"
    & skf18("4","8","8","10","2","1","1") = "9"
    & skf18("4","8","8","10","2","2","1") = "9"
    & skf18("4","8","8","10","2","3","1") = "9"
    & skf18("4","8","8","10","2","4","1") = "9"
    & skf18("4","8","8","10","2","5","1") = "9"
    & skf18("4","8","8","10","2","6","1") = "9"
    & skf18("4","8","8","10","2","7","1") = "9"
    & skf18("4","8","8","10","2","8","1") = "9"
    & skf18("4","8","8","10","2","9","1") = "9"
    & skf18("4","8","8","10","2","10","1") = "9"
    & skf18("4","8","8","10","3","1","1") = "9"
    & skf18("4","8","8","10","3","2","1") = "9"
    & skf18("4","8","8","10","3","3","1") = "9"
    & skf18("4","8","8","10","3","4","1") = "9"
    & skf18("4","8","8","10","3","5","1") = "9"
    & skf18("4","8","8","10","3","6","1") = "9"
    & skf18("4","8","8","10","3","7","1") = "9"
    & skf18("4","8","8","10","3","8","1") = "9"
    & skf18("4","8","8","10","3","9","1") = "9"
    & skf18("4","8","8","10","3","10","1") = "9"
    & skf18("4","8","8","10","4","1","1") = "9"
    & skf18("4","8","8","10","4","2","1") = "9"
    & skf18("4","8","8","10","4","3","1") = "9"
    & skf18("4","8","8","10","4","4","1") = "9"
    & skf18("4","8","8","10","4","5","1") = "9"
    & skf18("4","8","8","10","4","6","1") = "9"
    & skf18("4","8","8","10","4","7","1") = "9"
    & skf18("4","8","8","10","4","8","1") = "9"
    & skf18("4","8","8","10","4","9","1") = "9"
    & skf18("4","8","8","10","4","10","1") = "9"
    & skf18("4","8","8","10","5","1","1") = "9"
    & skf18("4","8","8","10","5","2","1") = "9"
    & skf18("4","8","8","10","5","3","1") = "9"
    & skf18("4","8","8","10","5","4","1") = "9"
    & skf18("4","8","8","10","5","5","1") = "9"
    & skf18("4","8","8","10","5","6","1") = "9"
    & skf18("4","8","8","10","5","7","1") = "9"
    & skf18("4","8","8","10","5","8","1") = "9"
    & skf18("4","8","8","10","5","9","1") = "9"
    & skf18("4","8","8","10","5","10","1") = "9"
    & skf18("4","8","8","10","6","1","1") = "9"
    & skf18("4","8","8","10","6","2","1") = "9"
    & skf18("4","8","8","10","6","3","1") = "9"
    & skf18("4","8","8","10","6","4","1") = "9"
    & skf18("4","8","8","10","6","5","1") = "9"
    & skf18("4","8","8","10","6","6","1") = "9"
    & skf18("4","8","8","10","6","7","1") = "9"
    & skf18("4","8","8","10","6","8","1") = "9"
    & skf18("4","8","8","10","6","9","1") = "9"
    & skf18("4","8","8","10","6","10","1") = "9"
    & skf18("4","8","8","10","7","1","1") = "9"
    & skf18("4","8","8","10","7","2","1") = "9"
    & skf18("4","8","8","10","7","3","1") = "9"
    & skf18("4","8","8","10","7","4","1") = "9"
    & skf18("4","8","8","10","7","5","1") = "9"
    & skf18("4","8","8","10","7","6","1") = "9"
    & skf18("4","8","8","10","7","7","1") = "9"
    & skf18("4","8","8","10","7","8","1") = "9"
    & skf18("4","8","8","10","7","9","1") = "9"
    & skf18("4","8","8","10","7","10","1") = "9"
    & skf18("4","8","8","10","8","1","1") = "9"
    & skf18("4","8","8","10","8","2","1") = "9"
    & skf18("4","8","8","10","8","3","1") = "9"
    & skf18("4","8","8","10","8","4","1") = "9"
    & skf18("4","8","8","10","8","5","1") = "9"
    & skf18("4","8","8","10","8","6","1") = "9"
    & skf18("4","8","8","10","8","7","1") = "9"
    & skf18("4","8","8","10","8","8","1") = "9"
    & skf18("4","8","8","10","8","9","1") = "9"
    & skf18("4","8","8","10","8","10","1") = "9"
    & skf18("4","8","8","10","9","1","1") = "9"
    & skf18("4","8","8","10","9","2","1") = "9"
    & skf18("4","8","8","10","9","3","1") = "9"
    & skf18("4","8","8","10","9","4","1") = "9"
    & skf18("4","8","8","10","9","5","1") = "9"
    & skf18("4","8","8","10","9","6","1") = "9"
    & skf18("4","8","8","10","9","7","1") = "9"
    & skf18("4","8","8","10","9","8","1") = "9"
    & skf18("4","8","8","10","9","9","1") = "9"
    & skf18("4","8","8","10","9","10","1") = "9"
    & skf18("4","8","8","10","10","1","1") = "9"
    & skf18("4","8","8","10","10","2","1") = "9"
    & skf18("4","8","8","10","10","3","1") = "9"
    & skf18("4","8","8","10","10","4","1") = "9"
    & skf18("4","8","8","10","10","5","1") = "9"
    & skf18("4","8","8","10","10","6","1") = "9"
    & skf18("4","8","8","10","10","7","1") = "9"
    & skf18("4","8","8","10","10","8","1") = "9"
    & skf18("4","8","8","10","10","9","1") = "9"
    & skf18("4","8","8","10","10","10","1") = "9"
    & skf18("4","8","9","1","1","1","1") = "8"
    & skf18("4","8","9","1","1","2","1") = "8"
    & skf18("4","8","9","1","1","3","1") = "8"
    & skf18("4","8","9","1","1","4","1") = "8"
    & skf18("4","8","9","1","1","5","1") = "8"
    & skf18("4","8","9","1","1","6","1") = "8"
    & skf18("4","8","9","1","1","7","1") = "8"
    & skf18("4","8","9","1","1","8","1") = "8"
    & skf18("4","8","9","1","1","9","1") = "8"
    & skf18("4","8","9","1","1","10","1") = "9"
    & skf18("4","8","9","1","2","1","1") = "8"
    & skf18("4","8","9","1","2","2","1") = "8"
    & skf18("4","8","9","1","2","3","1") = "8"
    & skf18("4","8","9","1","2","4","1") = "8"
    & skf18("4","8","9","1","2","5","1") = "8"
    & skf18("4","8","9","1","2","6","1") = "8"
    & skf18("4","8","9","1","2","7","1") = "8"
    & skf18("4","8","9","1","2","8","1") = "8"
    & skf18("4","8","9","1","2","9","1") = "8"
    & skf18("4","8","9","1","2","10","1") = "9"
    & skf18("4","8","9","1","3","1","1") = "8"
    & skf18("4","8","9","1","3","2","1") = "8"
    & skf18("4","8","9","1","3","3","1") = "8"
    & skf18("4","8","9","1","3","4","1") = "8"
    & skf18("4","8","9","1","3","5","1") = "8"
    & skf18("4","8","9","1","3","6","1") = "8"
    & skf18("4","8","9","1","3","7","1") = "8"
    & skf18("4","8","9","1","3","8","1") = "8"
    & skf18("4","8","9","1","3","9","1") = "8"
    & skf18("4","8","9","1","3","10","1") = "9"
    & skf18("4","8","9","1","4","1","1") = "8"
    & skf18("4","8","9","1","4","2","1") = "8"
    & skf18("4","8","9","1","4","3","1") = "8"
    & skf18("4","8","9","1","4","4","1") = "8"
    & skf18("4","8","9","1","4","5","1") = "8"
    & skf18("4","8","9","1","4","6","1") = "8"
    & skf18("4","8","9","1","4","7","1") = "8"
    & skf18("4","8","9","1","4","8","1") = "8"
    & skf18("4","8","9","1","4","9","1") = "8"
    & skf18("4","8","9","1","4","10","1") = "9"
    & skf18("4","8","9","1","5","1","1") = "8"
    & skf18("4","8","9","1","5","2","1") = "8"
    & skf18("4","8","9","1","5","3","1") = "8"
    & skf18("4","8","9","1","5","4","1") = "8"
    & skf18("4","8","9","1","5","5","1") = "8"
    & skf18("4","8","9","1","5","6","1") = "8"
    & skf18("4","8","9","1","5","7","1") = "8"
    & skf18("4","8","9","1","5","8","1") = "8"
    & skf18("4","8","9","1","5","9","1") = "8"
    & skf18("4","8","9","1","5","10","1") = "9"
    & skf18("4","8","9","1","6","1","1") = "8"
    & skf18("4","8","9","1","6","2","1") = "8"
    & skf18("4","8","9","1","6","3","1") = "8"
    & skf18("4","8","9","1","6","4","1") = "8"
    & skf18("4","8","9","1","6","5","1") = "8"
    & skf18("4","8","9","1","6","6","1") = "8"
    & skf18("4","8","9","1","6","7","1") = "8"
    & skf18("4","8","9","1","6","8","1") = "8"
    & skf18("4","8","9","1","6","9","1") = "8"
    & skf18("4","8","9","1","6","10","1") = "9"
    & skf18("4","8","9","1","7","1","1") = "8"
    & skf18("4","8","9","1","7","2","1") = "8"
    & skf18("4","8","9","1","7","3","1") = "8"
    & skf18("4","8","9","1","7","4","1") = "8"
    & skf18("4","8","9","1","7","5","1") = "8"
    & skf18("4","8","9","1","7","6","1") = "8"
    & skf18("4","8","9","1","7","7","1") = "8"
    & skf18("4","8","9","1","7","8","1") = "8"
    & skf18("4","8","9","1","7","9","1") = "8"
    & skf18("4","8","9","1","7","10","1") = "9"
    & skf18("4","8","9","1","8","1","1") = "8"
    & skf18("4","8","9","1","8","2","1") = "8"
    & skf18("4","8","9","1","8","3","1") = "8"
    & skf18("4","8","9","1","8","4","1") = "8"
    & skf18("4","8","9","1","8","5","1") = "8"
    & skf18("4","8","9","1","8","6","1") = "8"
    & skf18("4","8","9","1","8","7","1") = "8"
    & skf18("4","8","9","1","8","8","1") = "8"
    & skf18("4","8","9","1","8","9","1") = "8"
    & skf18("4","8","9","1","8","10","1") = "9"
    & skf18("4","8","9","1","9","1","1") = "8"
    & skf18("4","8","9","1","9","2","1") = "8"
    & skf18("4","8","9","1","9","3","1") = "8"
    & skf18("4","8","9","1","9","4","1") = "8"
    & skf18("4","8","9","1","9","5","1") = "8"
    & skf18("4","8","9","1","9","6","1") = "8"
    & skf18("4","8","9","1","9","7","1") = "8"
    & skf18("4","8","9","1","9","8","1") = "8"
    & skf18("4","8","9","1","9","9","1") = "8"
    & skf18("4","8","9","1","9","10","1") = "9"
    & skf18("4","8","9","1","10","1","1") = "9"
    & skf18("4","8","9","1","10","2","1") = "9"
    & skf18("4","8","9","1","10","3","1") = "9"
    & skf18("4","8","9","1","10","4","1") = "9"
    & skf18("4","8","9","1","10","5","1") = "9"
    & skf18("4","8","9","1","10","6","1") = "9"
    & skf18("4","8","9","1","10","7","1") = "9"
    & skf18("4","8","9","1","10","8","1") = "9"
    & skf18("4","8","9","1","10","9","1") = "9"
    & skf18("4","8","9","1","10","10","1") = "9"
    & skf18("4","8","9","2","1","1","1") = "8"
    & skf18("4","8","9","2","1","2","1") = "8"
    & skf18("4","8","9","2","1","3","1") = "8"
    & skf18("4","8","9","2","1","4","1") = "8"
    & skf18("4","8","9","2","1","5","1") = "8"
    & skf18("4","8","9","2","1","6","1") = "8"
    & skf18("4","8","9","2","1","7","1") = "8"
    & skf18("4","8","9","2","1","8","1") = "8"
    & skf18("4","8","9","2","1","9","1") = "8"
    & skf18("4","8","9","2","1","10","1") = "9"
    & skf18("4","8","9","2","2","1","1") = "8"
    & skf18("4","8","9","2","2","2","1") = "8"
    & skf18("4","8","9","2","2","3","1") = "8"
    & skf18("4","8","9","2","2","4","1") = "8"
    & skf18("4","8","9","2","2","5","1") = "8"
    & skf18("4","8","9","2","2","6","1") = "8"
    & skf18("4","8","9","2","2","7","1") = "8"
    & skf18("4","8","9","2","2","8","1") = "8"
    & skf18("4","8","9","2","2","9","1") = "8"
    & skf18("4","8","9","2","2","10","1") = "9"
    & skf18("4","8","9","2","3","1","1") = "8"
    & skf18("4","8","9","2","3","2","1") = "8"
    & skf18("4","8","9","2","3","3","1") = "8"
    & skf18("4","8","9","2","3","4","1") = "8"
    & skf18("4","8","9","2","3","5","1") = "8"
    & skf18("4","8","9","2","3","6","1") = "8"
    & skf18("4","8","9","2","3","7","1") = "8"
    & skf18("4","8","9","2","3","8","1") = "8"
    & skf18("4","8","9","2","3","9","1") = "8"
    & skf18("4","8","9","2","3","10","1") = "9"
    & skf18("4","8","9","2","4","1","1") = "8"
    & skf18("4","8","9","2","4","2","1") = "8"
    & skf18("4","8","9","2","4","3","1") = "8"
    & skf18("4","8","9","2","4","4","1") = "8"
    & skf18("4","8","9","2","4","5","1") = "8"
    & skf18("4","8","9","2","4","6","1") = "8"
    & skf18("4","8","9","2","4","7","1") = "8"
    & skf18("4","8","9","2","4","8","1") = "8"
    & skf18("4","8","9","2","4","9","1") = "8"
    & skf18("4","8","9","2","4","10","1") = "9"
    & skf18("4","8","9","2","5","1","1") = "8"
    & skf18("4","8","9","2","5","2","1") = "8"
    & skf18("4","8","9","2","5","3","1") = "8"
    & skf18("4","8","9","2","5","4","1") = "8"
    & skf18("4","8","9","2","5","5","1") = "8"
    & skf18("4","8","9","2","5","6","1") = "8"
    & skf18("4","8","9","2","5","7","1") = "8"
    & skf18("4","8","9","2","5","8","1") = "8"
    & skf18("4","8","9","2","5","9","1") = "8"
    & skf18("4","8","9","2","5","10","1") = "9"
    & skf18("4","8","9","2","6","1","1") = "8"
    & skf18("4","8","9","2","6","2","1") = "8"
    & skf18("4","8","9","2","6","3","1") = "8"
    & skf18("4","8","9","2","6","4","1") = "8"
    & skf18("4","8","9","2","6","5","1") = "8"
    & skf18("4","8","9","2","6","6","1") = "8"
    & skf18("4","8","9","2","6","7","1") = "8"
    & skf18("4","8","9","2","6","8","1") = "8"
    & skf18("4","8","9","2","6","9","1") = "8"
    & skf18("4","8","9","2","6","10","1") = "9"
    & skf18("4","8","9","2","7","1","1") = "8"
    & skf18("4","8","9","2","7","2","1") = "8"
    & skf18("4","8","9","2","7","3","1") = "8"
    & skf18("4","8","9","2","7","4","1") = "8"
    & skf18("4","8","9","2","7","5","1") = "8"
    & skf18("4","8","9","2","7","6","1") = "8"
    & skf18("4","8","9","2","7","7","1") = "8"
    & skf18("4","8","9","2","7","8","1") = "8"
    & skf18("4","8","9","2","7","9","1") = "8"
    & skf18("4","8","9","2","7","10","1") = "9"
    & skf18("4","8","9","2","8","1","1") = "8"
    & skf18("4","8","9","2","8","2","1") = "8"
    & skf18("4","8","9","2","8","3","1") = "8"
    & skf18("4","8","9","2","8","4","1") = "8"
    & skf18("4","8","9","2","8","5","1") = "8"
    & skf18("4","8","9","2","8","6","1") = "8"
    & skf18("4","8","9","2","8","7","1") = "8"
    & skf18("4","8","9","2","8","8","1") = "8"
    & skf18("4","8","9","2","8","9","1") = "8"
    & skf18("4","8","9","2","8","10","1") = "9"
    & skf18("4","8","9","2","9","1","1") = "8"
    & skf18("4","8","9","2","9","2","1") = "8"
    & skf18("4","8","9","2","9","3","1") = "8"
    & skf18("4","8","9","2","9","4","1") = "8"
    & skf18("4","8","9","2","9","5","1") = "8"
    & skf18("4","8","9","2","9","6","1") = "8"
    & skf18("4","8","9","2","9","7","1") = "8"
    & skf18("4","8","9","2","9","8","1") = "8"
    & skf18("4","8","9","2","9","9","1") = "8"
    & skf18("4","8","9","2","9","10","1") = "9"
    & skf18("4","8","9","2","10","1","1") = "9"
    & skf18("4","8","9","2","10","2","1") = "9"
    & skf18("4","8","9","2","10","3","1") = "9"
    & skf18("4","8","9","2","10","4","1") = "9"
    & skf18("4","8","9","2","10","5","1") = "9"
    & skf18("4","8","9","2","10","6","1") = "9"
    & skf18("4","8","9","2","10","7","1") = "9"
    & skf18("4","8","9","2","10","8","1") = "9"
    & skf18("4","8","9","2","10","9","1") = "9"
    & skf18("4","8","9","2","10","10","1") = "9"
    & skf18("4","8","9","3","1","1","1") = "8"
    & skf18("4","8","9","3","1","2","1") = "8"
    & skf18("4","8","9","3","1","3","1") = "8"
    & skf18("4","8","9","3","1","4","1") = "8"
    & skf18("4","8","9","3","1","5","1") = "8"
    & skf18("4","8","9","3","1","6","1") = "8"
    & skf18("4","8","9","3","1","7","1") = "8"
    & skf18("4","8","9","3","1","8","1") = "8"
    & skf18("4","8","9","3","1","9","1") = "8"
    & skf18("4","8","9","3","1","10","1") = "9"
    & skf18("4","8","9","3","2","1","1") = "8"
    & skf18("4","8","9","3","2","2","1") = "8"
    & skf18("4","8","9","3","2","3","1") = "8"
    & skf18("4","8","9","3","2","4","1") = "8"
    & skf18("4","8","9","3","2","5","1") = "8"
    & skf18("4","8","9","3","2","6","1") = "8"
    & skf18("4","8","9","3","2","7","1") = "8"
    & skf18("4","8","9","3","2","8","1") = "8"
    & skf18("4","8","9","3","2","9","1") = "8"
    & skf18("4","8","9","3","2","10","1") = "9"
    & skf18("4","8","9","3","3","1","1") = "8"
    & skf18("4","8","9","3","3","2","1") = "8"
    & skf18("4","8","9","3","3","3","1") = "8"
    & skf18("4","8","9","3","3","4","1") = "8"
    & skf18("4","8","9","3","3","5","1") = "8"
    & skf18("4","8","9","3","3","6","1") = "8"
    & skf18("4","8","9","3","3","7","1") = "8"
    & skf18("4","8","9","3","3","8","1") = "8"
    & skf18("4","8","9","3","3","9","1") = "8"
    & skf18("4","8","9","3","3","10","1") = "9"
    & skf18("4","8","9","3","4","1","1") = "8"
    & skf18("4","8","9","3","4","2","1") = "8"
    & skf18("4","8","9","3","4","3","1") = "8"
    & skf18("4","8","9","3","4","4","1") = "8"
    & skf18("4","8","9","3","4","5","1") = "8"
    & skf18("4","8","9","3","4","6","1") = "8"
    & skf18("4","8","9","3","4","7","1") = "8"
    & skf18("4","8","9","3","4","8","1") = "8"
    & skf18("4","8","9","3","4","9","1") = "8"
    & skf18("4","8","9","3","4","10","1") = "9"
    & skf18("4","8","9","3","5","1","1") = "8"
    & skf18("4","8","9","3","5","2","1") = "8"
    & skf18("4","8","9","3","5","3","1") = "8"
    & skf18("4","8","9","3","5","4","1") = "8"
    & skf18("4","8","9","3","5","5","1") = "8"
    & skf18("4","8","9","3","5","6","1") = "8"
    & skf18("4","8","9","3","5","7","1") = "8"
    & skf18("4","8","9","3","5","8","1") = "8"
    & skf18("4","8","9","3","5","9","1") = "8"
    & skf18("4","8","9","3","5","10","1") = "9"
    & skf18("4","8","9","3","6","1","1") = "8"
    & skf18("4","8","9","3","6","2","1") = "8"
    & skf18("4","8","9","3","6","3","1") = "8"
    & skf18("4","8","9","3","6","4","1") = "8"
    & skf18("4","8","9","3","6","5","1") = "8"
    & skf18("4","8","9","3","6","6","1") = "8"
    & skf18("4","8","9","3","6","7","1") = "8"
    & skf18("4","8","9","3","6","8","1") = "8"
    & skf18("4","8","9","3","6","9","1") = "8"
    & skf18("4","8","9","3","6","10","1") = "9"
    & skf18("4","8","9","3","7","1","1") = "8"
    & skf18("4","8","9","3","7","2","1") = "8"
    & skf18("4","8","9","3","7","3","1") = "8"
    & skf18("4","8","9","3","7","4","1") = "8"
    & skf18("4","8","9","3","7","5","1") = "8"
    & skf18("4","8","9","3","7","6","1") = "8"
    & skf18("4","8","9","3","7","7","1") = "8"
    & skf18("4","8","9","3","7","8","1") = "8"
    & skf18("4","8","9","3","7","9","1") = "8"
    & skf18("4","8","9","3","7","10","1") = "9"
    & skf18("4","8","9","3","8","1","1") = "8"
    & skf18("4","8","9","3","8","2","1") = "8"
    & skf18("4","8","9","3","8","3","1") = "8"
    & skf18("4","8","9","3","8","4","1") = "8"
    & skf18("4","8","9","3","8","5","1") = "8"
    & skf18("4","8","9","3","8","6","1") = "8"
    & skf18("4","8","9","3","8","7","1") = "8"
    & skf18("4","8","9","3","8","8","1") = "8"
    & skf18("4","8","9","3","8","9","1") = "8"
    & skf18("4","8","9","3","8","10","1") = "9"
    & skf18("4","8","9","3","9","1","1") = "8"
    & skf18("4","8","9","3","9","2","1") = "8"
    & skf18("4","8","9","3","9","3","1") = "8"
    & skf18("4","8","9","3","9","4","1") = "8"
    & skf18("4","8","9","3","9","5","1") = "8"
    & skf18("4","8","9","3","9","6","1") = "8"
    & skf18("4","8","9","3","9","7","1") = "8"
    & skf18("4","8","9","3","9","8","1") = "8"
    & skf18("4","8","9","3","9","9","1") = "8"
    & skf18("4","8","9","3","9","10","1") = "9"
    & skf18("4","8","9","3","10","1","1") = "9"
    & skf18("4","8","9","3","10","2","1") = "9"
    & skf18("4","8","9","3","10","3","1") = "9"
    & skf18("4","8","9","3","10","4","1") = "9"
    & skf18("4","8","9","3","10","5","1") = "9"
    & skf18("4","8","9","3","10","6","1") = "9"
    & skf18("4","8","9","3","10","7","1") = "9"
    & skf18("4","8","9","3","10","8","1") = "9"
    & skf18("4","8","9","3","10","9","1") = "9"
    & skf18("4","8","9","3","10","10","1") = "9"
    & skf18("4","8","9","4","1","1","1") = "8"
    & skf18("4","8","9","4","1","2","1") = "8"
    & skf18("4","8","9","4","1","3","1") = "8"
    & skf18("4","8","9","4","1","4","1") = "8"
    & skf18("4","8","9","4","1","5","1") = "8"
    & skf18("4","8","9","4","1","6","1") = "8"
    & skf18("4","8","9","4","1","7","1") = "8"
    & skf18("4","8","9","4","1","8","1") = "8"
    & skf18("4","8","9","4","1","9","1") = "8"
    & skf18("4","8","9","4","1","10","1") = "9"
    & skf18("4","8","9","4","2","1","1") = "8"
    & skf18("4","8","9","4","2","2","1") = "8"
    & skf18("4","8","9","4","2","3","1") = "8"
    & skf18("4","8","9","4","2","4","1") = "8"
    & skf18("4","8","9","4","2","5","1") = "8"
    & skf18("4","8","9","4","2","6","1") = "8"
    & skf18("4","8","9","4","2","7","1") = "8"
    & skf18("4","8","9","4","2","8","1") = "8"
    & skf18("4","8","9","4","2","9","1") = "8"
    & skf18("4","8","9","4","2","10","1") = "9"
    & skf18("4","8","9","4","3","1","1") = "8"
    & skf18("4","8","9","4","3","2","1") = "8"
    & skf18("4","8","9","4","3","3","1") = "8"
    & skf18("4","8","9","4","3","4","1") = "8"
    & skf18("4","8","9","4","3","5","1") = "8"
    & skf18("4","8","9","4","3","6","1") = "8"
    & skf18("4","8","9","4","3","7","1") = "8"
    & skf18("4","8","9","4","3","8","1") = "8"
    & skf18("4","8","9","4","3","9","1") = "8"
    & skf18("4","8","9","4","3","10","1") = "9"
    & skf18("4","8","9","4","4","1","1") = "8"
    & skf18("4","8","9","4","4","2","1") = "8"
    & skf18("4","8","9","4","4","3","1") = "8"
    & skf18("4","8","9","4","4","4","1") = "8"
    & skf18("4","8","9","4","4","5","1") = "8"
    & skf18("4","8","9","4","4","6","1") = "8"
    & skf18("4","8","9","4","4","7","1") = "8"
    & skf18("4","8","9","4","4","8","1") = "8"
    & skf18("4","8","9","4","4","9","1") = "8"
    & skf18("4","8","9","4","4","10","1") = "9"
    & skf18("4","8","9","4","5","1","1") = "8"
    & skf18("4","8","9","4","5","2","1") = "8"
    & skf18("4","8","9","4","5","3","1") = "8"
    & skf18("4","8","9","4","5","4","1") = "8"
    & skf18("4","8","9","4","5","5","1") = "8"
    & skf18("4","8","9","4","5","6","1") = "8"
    & skf18("4","8","9","4","5","7","1") = "8"
    & skf18("4","8","9","4","5","8","1") = "8"
    & skf18("4","8","9","4","5","9","1") = "8"
    & skf18("4","8","9","4","5","10","1") = "9"
    & skf18("4","8","9","4","6","1","1") = "8"
    & skf18("4","8","9","4","6","2","1") = "8"
    & skf18("4","8","9","4","6","3","1") = "8"
    & skf18("4","8","9","4","6","4","1") = "8"
    & skf18("4","8","9","4","6","5","1") = "8"
    & skf18("4","8","9","4","6","6","1") = "8"
    & skf18("4","8","9","4","6","7","1") = "8"
    & skf18("4","8","9","4","6","8","1") = "8"
    & skf18("4","8","9","4","6","9","1") = "8"
    & skf18("4","8","9","4","6","10","1") = "9"
    & skf18("4","8","9","4","7","1","1") = "8"
    & skf18("4","8","9","4","7","2","1") = "8"
    & skf18("4","8","9","4","7","3","1") = "8"
    & skf18("4","8","9","4","7","4","1") = "8"
    & skf18("4","8","9","4","7","5","1") = "8"
    & skf18("4","8","9","4","7","6","1") = "8"
    & skf18("4","8","9","4","7","7","1") = "8"
    & skf18("4","8","9","4","7","8","1") = "8"
    & skf18("4","8","9","4","7","9","1") = "8"
    & skf18("4","8","9","4","7","10","1") = "9"
    & skf18("4","8","9","4","8","1","1") = "8"
    & skf18("4","8","9","4","8","2","1") = "8"
    & skf18("4","8","9","4","8","3","1") = "8"
    & skf18("4","8","9","4","8","4","1") = "8"
    & skf18("4","8","9","4","8","5","1") = "8"
    & skf18("4","8","9","4","8","6","1") = "8"
    & skf18("4","8","9","4","8","7","1") = "8"
    & skf18("4","8","9","4","8","8","1") = "8"
    & skf18("4","8","9","4","8","9","1") = "8"
    & skf18("4","8","9","4","8","10","1") = "9"
    & skf18("4","8","9","4","9","1","1") = "8"
    & skf18("4","8","9","4","9","2","1") = "8"
    & skf18("4","8","9","4","9","3","1") = "8"
    & skf18("4","8","9","4","9","4","1") = "8"
    & skf18("4","8","9","4","9","5","1") = "8"
    & skf18("4","8","9","4","9","6","1") = "8"
    & skf18("4","8","9","4","9","7","1") = "8"
    & skf18("4","8","9","4","9","8","1") = "8"
    & skf18("4","8","9","4","9","9","1") = "8"
    & skf18("4","8","9","4","9","10","1") = "9"
    & skf18("4","8","9","4","10","1","1") = "9"
    & skf18("4","8","9","4","10","2","1") = "9"
    & skf18("4","8","9","4","10","3","1") = "9"
    & skf18("4","8","9","4","10","4","1") = "9"
    & skf18("4","8","9","4","10","5","1") = "9"
    & skf18("4","8","9","4","10","6","1") = "9"
    & skf18("4","8","9","4","10","7","1") = "9"
    & skf18("4","8","9","4","10","8","1") = "9"
    & skf18("4","8","9","4","10","9","1") = "9"
    & skf18("4","8","9","4","10","10","1") = "9"
    & skf18("4","8","9","5","1","1","1") = "8"
    & skf18("4","8","9","5","1","2","1") = "8"
    & skf18("4","8","9","5","1","3","1") = "8"
    & skf18("4","8","9","5","1","4","1") = "8"
    & skf18("4","8","9","5","1","5","1") = "8"
    & skf18("4","8","9","5","1","6","1") = "8"
    & skf18("4","8","9","5","1","7","1") = "8"
    & skf18("4","8","9","5","1","8","1") = "8"
    & skf18("4","8","9","5","1","9","1") = "8"
    & skf18("4","8","9","5","1","10","1") = "9"
    & skf18("4","8","9","5","2","1","1") = "8"
    & skf18("4","8","9","5","2","2","1") = "8"
    & skf18("4","8","9","5","2","3","1") = "8"
    & skf18("4","8","9","5","2","4","1") = "8"
    & skf18("4","8","9","5","2","5","1") = "8"
    & skf18("4","8","9","5","2","6","1") = "8"
    & skf18("4","8","9","5","2","7","1") = "8"
    & skf18("4","8","9","5","2","8","1") = "8"
    & skf18("4","8","9","5","2","9","1") = "8"
    & skf18("4","8","9","5","2","10","1") = "9"
    & skf18("4","8","9","5","3","1","1") = "8"
    & skf18("4","8","9","5","3","2","1") = "8"
    & skf18("4","8","9","5","3","3","1") = "8"
    & skf18("4","8","9","5","3","4","1") = "8"
    & skf18("4","8","9","5","3","5","1") = "8"
    & skf18("4","8","9","5","3","6","1") = "8"
    & skf18("4","8","9","5","3","7","1") = "8"
    & skf18("4","8","9","5","3","8","1") = "8"
    & skf18("4","8","9","5","3","9","1") = "8"
    & skf18("4","8","9","5","3","10","1") = "9"
    & skf18("4","8","9","5","4","1","1") = "8"
    & skf18("4","8","9","5","4","2","1") = "8"
    & skf18("4","8","9","5","4","3","1") = "8"
    & skf18("4","8","9","5","4","4","1") = "8"
    & skf18("4","8","9","5","4","5","1") = "8"
    & skf18("4","8","9","5","4","6","1") = "8"
    & skf18("4","8","9","5","4","7","1") = "8"
    & skf18("4","8","9","5","4","8","1") = "8"
    & skf18("4","8","9","5","4","9","1") = "8"
    & skf18("4","8","9","5","4","10","1") = "9"
    & skf18("4","8","9","5","5","1","1") = "8"
    & skf18("4","8","9","5","5","2","1") = "8"
    & skf18("4","8","9","5","5","3","1") = "8"
    & skf18("4","8","9","5","5","4","1") = "8"
    & skf18("4","8","9","5","5","5","1") = "8"
    & skf18("4","8","9","5","5","6","1") = "8"
    & skf18("4","8","9","5","5","7","1") = "8"
    & skf18("4","8","9","5","5","8","1") = "8"
    & skf18("4","8","9","5","5","9","1") = "8"
    & skf18("4","8","9","5","5","10","1") = "9"
    & skf18("4","8","9","5","6","1","1") = "8"
    & skf18("4","8","9","5","6","2","1") = "8"
    & skf18("4","8","9","5","6","3","1") = "8"
    & skf18("4","8","9","5","6","4","1") = "8"
    & skf18("4","8","9","5","6","5","1") = "8"
    & skf18("4","8","9","5","6","6","1") = "8"
    & skf18("4","8","9","5","6","7","1") = "8"
    & skf18("4","8","9","5","6","8","1") = "8"
    & skf18("4","8","9","5","6","9","1") = "8"
    & skf18("4","8","9","5","6","10","1") = "9"
    & skf18("4","8","9","5","7","1","1") = "8"
    & skf18("4","8","9","5","7","2","1") = "8"
    & skf18("4","8","9","5","7","3","1") = "8"
    & skf18("4","8","9","5","7","4","1") = "8"
    & skf18("4","8","9","5","7","5","1") = "8"
    & skf18("4","8","9","5","7","6","1") = "8"
    & skf18("4","8","9","5","7","7","1") = "8"
    & skf18("4","8","9","5","7","8","1") = "8"
    & skf18("4","8","9","5","7","9","1") = "8"
    & skf18("4","8","9","5","7","10","1") = "9"
    & skf18("4","8","9","5","8","1","1") = "8"
    & skf18("4","8","9","5","8","2","1") = "8"
    & skf18("4","8","9","5","8","3","1") = "8"
    & skf18("4","8","9","5","8","4","1") = "8"
    & skf18("4","8","9","5","8","5","1") = "8"
    & skf18("4","8","9","5","8","6","1") = "8"
    & skf18("4","8","9","5","8","7","1") = "8"
    & skf18("4","8","9","5","8","8","1") = "8"
    & skf18("4","8","9","5","8","9","1") = "8"
    & skf18("4","8","9","5","8","10","1") = "9"
    & skf18("4","8","9","5","9","1","1") = "8"
    & skf18("4","8","9","5","9","2","1") = "8"
    & skf18("4","8","9","5","9","3","1") = "8"
    & skf18("4","8","9","5","9","4","1") = "8"
    & skf18("4","8","9","5","9","5","1") = "8"
    & skf18("4","8","9","5","9","6","1") = "8"
    & skf18("4","8","9","5","9","7","1") = "8"
    & skf18("4","8","9","5","9","8","1") = "8"
    & skf18("4","8","9","5","9","9","1") = "8"
    & skf18("4","8","9","5","9","10","1") = "9"
    & skf18("4","8","9","5","10","1","1") = "9"
    & skf18("4","8","9","5","10","2","1") = "9"
    & skf18("4","8","9","5","10","3","1") = "9"
    & skf18("4","8","9","5","10","4","1") = "9"
    & skf18("4","8","9","5","10","5","1") = "9"
    & skf18("4","8","9","5","10","6","1") = "9"
    & skf18("4","8","9","5","10","7","1") = "9"
    & skf18("4","8","9","5","10","8","1") = "9"
    & skf18("4","8","9","5","10","9","1") = "9"
    & skf18("4","8","9","5","10","10","1") = "9"
    & skf18("4","8","9","6","1","1","1") = "8"
    & skf18("4","8","9","6","1","2","1") = "8"
    & skf18("4","8","9","6","1","3","1") = "8"
    & skf18("4","8","9","6","1","4","1") = "8"
    & skf18("4","8","9","6","1","5","1") = "8"
    & skf18("4","8","9","6","1","6","1") = "8"
    & skf18("4","8","9","6","1","7","1") = "8"
    & skf18("4","8","9","6","1","8","1") = "8"
    & skf18("4","8","9","6","1","9","1") = "8"
    & skf18("4","8","9","6","1","10","1") = "9"
    & skf18("4","8","9","6","2","1","1") = "8"
    & skf18("4","8","9","6","2","2","1") = "8"
    & skf18("4","8","9","6","2","3","1") = "8"
    & skf18("4","8","9","6","2","4","1") = "8"
    & skf18("4","8","9","6","2","5","1") = "8"
    & skf18("4","8","9","6","2","6","1") = "8"
    & skf18("4","8","9","6","2","7","1") = "8"
    & skf18("4","8","9","6","2","8","1") = "8"
    & skf18("4","8","9","6","2","9","1") = "8"
    & skf18("4","8","9","6","2","10","1") = "9"
    & skf18("4","8","9","6","3","1","1") = "8"
    & skf18("4","8","9","6","3","2","1") = "8"
    & skf18("4","8","9","6","3","3","1") = "8"
    & skf18("4","8","9","6","3","4","1") = "8"
    & skf18("4","8","9","6","3","5","1") = "8"
    & skf18("4","8","9","6","3","6","1") = "8"
    & skf18("4","8","9","6","3","7","1") = "8"
    & skf18("4","8","9","6","3","8","1") = "8"
    & skf18("4","8","9","6","3","9","1") = "8"
    & skf18("4","8","9","6","3","10","1") = "9"
    & skf18("4","8","9","6","4","1","1") = "8"
    & skf18("4","8","9","6","4","2","1") = "8"
    & skf18("4","8","9","6","4","3","1") = "8"
    & skf18("4","8","9","6","4","4","1") = "8"
    & skf18("4","8","9","6","4","5","1") = "8"
    & skf18("4","8","9","6","4","6","1") = "8"
    & skf18("4","8","9","6","4","7","1") = "8"
    & skf18("4","8","9","6","4","8","1") = "8"
    & skf18("4","8","9","6","4","9","1") = "8"
    & skf18("4","8","9","6","4","10","1") = "9"
    & skf18("4","8","9","6","5","1","1") = "8"
    & skf18("4","8","9","6","5","2","1") = "8"
    & skf18("4","8","9","6","5","3","1") = "8"
    & skf18("4","8","9","6","5","4","1") = "8"
    & skf18("4","8","9","6","5","5","1") = "8"
    & skf18("4","8","9","6","5","6","1") = "8"
    & skf18("4","8","9","6","5","7","1") = "8"
    & skf18("4","8","9","6","5","8","1") = "8"
    & skf18("4","8","9","6","5","9","1") = "8"
    & skf18("4","8","9","6","5","10","1") = "9"
    & skf18("4","8","9","6","6","1","1") = "8"
    & skf18("4","8","9","6","6","2","1") = "8"
    & skf18("4","8","9","6","6","3","1") = "8"
    & skf18("4","8","9","6","6","4","1") = "8"
    & skf18("4","8","9","6","6","5","1") = "8"
    & skf18("4","8","9","6","6","6","1") = "8"
    & skf18("4","8","9","6","6","7","1") = "8"
    & skf18("4","8","9","6","6","8","1") = "8"
    & skf18("4","8","9","6","6","9","1") = "8"
    & skf18("4","8","9","6","6","10","1") = "9"
    & skf18("4","8","9","6","7","1","1") = "8"
    & skf18("4","8","9","6","7","2","1") = "8"
    & skf18("4","8","9","6","7","3","1") = "8"
    & skf18("4","8","9","6","7","4","1") = "8"
    & skf18("4","8","9","6","7","5","1") = "8"
    & skf18("4","8","9","6","7","6","1") = "8"
    & skf18("4","8","9","6","7","7","1") = "8"
    & skf18("4","8","9","6","7","8","1") = "8"
    & skf18("4","8","9","6","7","9","1") = "8"
    & skf18("4","8","9","6","7","10","1") = "9"
    & skf18("4","8","9","6","8","1","1") = "8"
    & skf18("4","8","9","6","8","2","1") = "8"
    & skf18("4","8","9","6","8","3","1") = "8"
    & skf18("4","8","9","6","8","4","1") = "8"
    & skf18("4","8","9","6","8","5","1") = "8"
    & skf18("4","8","9","6","8","6","1") = "8"
    & skf18("4","8","9","6","8","7","1") = "8"
    & skf18("4","8","9","6","8","8","1") = "8"
    & skf18("4","8","9","6","8","9","1") = "8"
    & skf18("4","8","9","6","8","10","1") = "9"
    & skf18("4","8","9","6","9","1","1") = "8"
    & skf18("4","8","9","6","9","2","1") = "8"
    & skf18("4","8","9","6","9","3","1") = "8"
    & skf18("4","8","9","6","9","4","1") = "8"
    & skf18("4","8","9","6","9","5","1") = "8"
    & skf18("4","8","9","6","9","6","1") = "8"
    & skf18("4","8","9","6","9","7","1") = "8"
    & skf18("4","8","9","6","9","8","1") = "8"
    & skf18("4","8","9","6","9","9","1") = "8"
    & skf18("4","8","9","6","9","10","1") = "9"
    & skf18("4","8","9","6","10","1","1") = "9"
    & skf18("4","8","9","6","10","2","1") = "9"
    & skf18("4","8","9","6","10","3","1") = "9"
    & skf18("4","8","9","6","10","4","1") = "9"
    & skf18("4","8","9","6","10","5","1") = "9"
    & skf18("4","8","9","6","10","6","1") = "9"
    & skf18("4","8","9","6","10","7","1") = "9"
    & skf18("4","8","9","6","10","8","1") = "9"
    & skf18("4","8","9","6","10","9","1") = "9"
    & skf18("4","8","9","6","10","10","1") = "9"
    & skf18("4","8","9","7","1","1","1") = "8"
    & skf18("4","8","9","7","1","2","1") = "8"
    & skf18("4","8","9","7","1","3","1") = "8"
    & skf18("4","8","9","7","1","4","1") = "8"
    & skf18("4","8","9","7","1","5","1") = "8"
    & skf18("4","8","9","7","1","6","1") = "8"
    & skf18("4","8","9","7","1","7","1") = "8"
    & skf18("4","8","9","7","1","8","1") = "8"
    & skf18("4","8","9","7","1","9","1") = "8"
    & skf18("4","8","9","7","1","10","1") = "9"
    & skf18("4","8","9","7","2","1","1") = "8"
    & skf18("4","8","9","7","2","2","1") = "8"
    & skf18("4","8","9","7","2","3","1") = "8"
    & skf18("4","8","9","7","2","4","1") = "8"
    & skf18("4","8","9","7","2","5","1") = "8"
    & skf18("4","8","9","7","2","6","1") = "8"
    & skf18("4","8","9","7","2","7","1") = "8"
    & skf18("4","8","9","7","2","8","1") = "8"
    & skf18("4","8","9","7","2","9","1") = "8"
    & skf18("4","8","9","7","2","10","1") = "9"
    & skf18("4","8","9","7","3","1","1") = "8"
    & skf18("4","8","9","7","3","2","1") = "8"
    & skf18("4","8","9","7","3","3","1") = "8"
    & skf18("4","8","9","7","3","4","1") = "8"
    & skf18("4","8","9","7","3","5","1") = "8"
    & skf18("4","8","9","7","3","6","1") = "8"
    & skf18("4","8","9","7","3","7","1") = "8"
    & skf18("4","8","9","7","3","8","1") = "8"
    & skf18("4","8","9","7","3","9","1") = "8"
    & skf18("4","8","9","7","3","10","1") = "9"
    & skf18("4","8","9","7","4","1","1") = "8"
    & skf18("4","8","9","7","4","2","1") = "8"
    & skf18("4","8","9","7","4","3","1") = "8"
    & skf18("4","8","9","7","4","4","1") = "8"
    & skf18("4","8","9","7","4","5","1") = "8"
    & skf18("4","8","9","7","4","6","1") = "8"
    & skf18("4","8","9","7","4","7","1") = "8"
    & skf18("4","8","9","7","4","8","1") = "8"
    & skf18("4","8","9","7","4","9","1") = "8"
    & skf18("4","8","9","7","4","10","1") = "9"
    & skf18("4","8","9","7","5","1","1") = "8"
    & skf18("4","8","9","7","5","2","1") = "8"
    & skf18("4","8","9","7","5","3","1") = "8"
    & skf18("4","8","9","7","5","4","1") = "8"
    & skf18("4","8","9","7","5","5","1") = "8"
    & skf18("4","8","9","7","5","6","1") = "8"
    & skf18("4","8","9","7","5","7","1") = "8"
    & skf18("4","8","9","7","5","8","1") = "8"
    & skf18("4","8","9","7","5","9","1") = "8"
    & skf18("4","8","9","7","5","10","1") = "9"
    & skf18("4","8","9","7","6","1","1") = "8"
    & skf18("4","8","9","7","6","2","1") = "8"
    & skf18("4","8","9","7","6","3","1") = "8"
    & skf18("4","8","9","7","6","4","1") = "8"
    & skf18("4","8","9","7","6","5","1") = "8"
    & skf18("4","8","9","7","6","6","1") = "8"
    & skf18("4","8","9","7","6","7","1") = "8"
    & skf18("4","8","9","7","6","8","1") = "8"
    & skf18("4","8","9","7","6","9","1") = "8"
    & skf18("4","8","9","7","6","10","1") = "9"
    & skf18("4","8","9","7","7","1","1") = "8"
    & skf18("4","8","9","7","7","2","1") = "8"
    & skf18("4","8","9","7","7","3","1") = "8"
    & skf18("4","8","9","7","7","4","1") = "8"
    & skf18("4","8","9","7","7","5","1") = "8"
    & skf18("4","8","9","7","7","6","1") = "8"
    & skf18("4","8","9","7","7","7","1") = "8"
    & skf18("4","8","9","7","7","8","1") = "8"
    & skf18("4","8","9","7","7","9","1") = "8"
    & skf18("4","8","9","7","7","10","1") = "9"
    & skf18("4","8","9","7","8","1","1") = "8"
    & skf18("4","8","9","7","8","2","1") = "8"
    & skf18("4","8","9","7","8","3","1") = "8"
    & skf18("4","8","9","7","8","4","1") = "8"
    & skf18("4","8","9","7","8","5","1") = "8"
    & skf18("4","8","9","7","8","6","1") = "8"
    & skf18("4","8","9","7","8","7","1") = "8"
    & skf18("4","8","9","7","8","8","1") = "8"
    & skf18("4","8","9","7","8","9","1") = "8"
    & skf18("4","8","9","7","8","10","1") = "9"
    & skf18("4","8","9","7","9","1","1") = "8"
    & skf18("4","8","9","7","9","2","1") = "8"
    & skf18("4","8","9","7","9","3","1") = "8"
    & skf18("4","8","9","7","9","4","1") = "8"
    & skf18("4","8","9","7","9","5","1") = "8"
    & skf18("4","8","9","7","9","6","1") = "8"
    & skf18("4","8","9","7","9","7","1") = "8"
    & skf18("4","8","9","7","9","8","1") = "8"
    & skf18("4","8","9","7","9","9","1") = "8"
    & skf18("4","8","9","7","9","10","1") = "9"
    & skf18("4","8","9","7","10","1","1") = "9"
    & skf18("4","8","9","7","10","2","1") = "9"
    & skf18("4","8","9","7","10","3","1") = "9"
    & skf18("4","8","9","7","10","4","1") = "9"
    & skf18("4","8","9","7","10","5","1") = "9"
    & skf18("4","8","9","7","10","6","1") = "9"
    & skf18("4","8","9","7","10","7","1") = "9"
    & skf18("4","8","9","7","10","8","1") = "9"
    & skf18("4","8","9","7","10","9","1") = "9"
    & skf18("4","8","9","7","10","10","1") = "9"
    & skf18("4","8","9","8","1","1","1") = "8"
    & skf18("4","8","9","8","1","2","1") = "8"
    & skf18("4","8","9","8","1","3","1") = "8"
    & skf18("4","8","9","8","1","4","1") = "8"
    & skf18("4","8","9","8","1","5","1") = "8"
    & skf18("4","8","9","8","1","6","1") = "8"
    & skf18("4","8","9","8","1","7","1") = "8"
    & skf18("4","8","9","8","1","8","1") = "8"
    & skf18("4","8","9","8","1","9","1") = "8"
    & skf18("4","8","9","8","1","10","1") = "9"
    & skf18("4","8","9","8","2","1","1") = "8"
    & skf18("4","8","9","8","2","2","1") = "8"
    & skf18("4","8","9","8","2","3","1") = "8"
    & skf18("4","8","9","8","2","4","1") = "8"
    & skf18("4","8","9","8","2","5","1") = "8"
    & skf18("4","8","9","8","2","6","1") = "8"
    & skf18("4","8","9","8","2","7","1") = "8"
    & skf18("4","8","9","8","2","8","1") = "8"
    & skf18("4","8","9","8","2","9","1") = "8"
    & skf18("4","8","9","8","2","10","1") = "9"
    & skf18("4","8","9","8","3","1","1") = "8"
    & skf18("4","8","9","8","3","2","1") = "8"
    & skf18("4","8","9","8","3","3","1") = "8"
    & skf18("4","8","9","8","3","4","1") = "8"
    & skf18("4","8","9","8","3","5","1") = "8"
    & skf18("4","8","9","8","3","6","1") = "8"
    & skf18("4","8","9","8","3","7","1") = "8"
    & skf18("4","8","9","8","3","8","1") = "8"
    & skf18("4","8","9","8","3","9","1") = "8"
    & skf18("4","8","9","8","3","10","1") = "9"
    & skf18("4","8","9","8","4","1","1") = "8"
    & skf18("4","8","9","8","4","2","1") = "8"
    & skf18("4","8","9","8","4","3","1") = "8"
    & skf18("4","8","9","8","4","4","1") = "8"
    & skf18("4","8","9","8","4","5","1") = "8"
    & skf18("4","8","9","8","4","6","1") = "8"
    & skf18("4","8","9","8","4","7","1") = "8"
    & skf18("4","8","9","8","4","8","1") = "8"
    & skf18("4","8","9","8","4","9","1") = "8"
    & skf18("4","8","9","8","4","10","1") = "9"
    & skf18("4","8","9","8","5","1","1") = "8"
    & skf18("4","8","9","8","5","2","1") = "8"
    & skf18("4","8","9","8","5","3","1") = "8"
    & skf18("4","8","9","8","5","4","1") = "8"
    & skf18("4","8","9","8","5","5","1") = "8"
    & skf18("4","8","9","8","5","6","1") = "8"
    & skf18("4","8","9","8","5","7","1") = "8"
    & skf18("4","8","9","8","5","8","1") = "8"
    & skf18("4","8","9","8","5","9","1") = "8"
    & skf18("4","8","9","8","5","10","1") = "9"
    & skf18("4","8","9","8","6","1","1") = "8"
    & skf18("4","8","9","8","6","2","1") = "8"
    & skf18("4","8","9","8","6","3","1") = "8"
    & skf18("4","8","9","8","6","4","1") = "8"
    & skf18("4","8","9","8","6","5","1") = "8"
    & skf18("4","8","9","8","6","6","1") = "8"
    & skf18("4","8","9","8","6","7","1") = "8"
    & skf18("4","8","9","8","6","8","1") = "8"
    & skf18("4","8","9","8","6","9","1") = "8"
    & skf18("4","8","9","8","6","10","1") = "9"
    & skf18("4","8","9","8","7","1","1") = "8"
    & skf18("4","8","9","8","7","2","1") = "8"
    & skf18("4","8","9","8","7","3","1") = "8"
    & skf18("4","8","9","8","7","4","1") = "8"
    & skf18("4","8","9","8","7","5","1") = "8"
    & skf18("4","8","9","8","7","6","1") = "8"
    & skf18("4","8","9","8","7","7","1") = "8"
    & skf18("4","8","9","8","7","8","1") = "8"
    & skf18("4","8","9","8","7","9","1") = "8"
    & skf18("4","8","9","8","7","10","1") = "9"
    & skf18("4","8","9","8","8","1","1") = "8"
    & skf18("4","8","9","8","8","2","1") = "8"
    & skf18("4","8","9","8","8","3","1") = "8"
    & skf18("4","8","9","8","8","4","1") = "8"
    & skf18("4","8","9","8","8","5","1") = "8"
    & skf18("4","8","9","8","8","6","1") = "8"
    & skf18("4","8","9","8","8","7","1") = "8"
    & skf18("4","8","9","8","8","8","1") = "8"
    & skf18("4","8","9","8","8","9","1") = "8"
    & skf18("4","8","9","8","8","10","1") = "9"
    & skf18("4","8","9","8","9","1","1") = "8"
    & skf18("4","8","9","8","9","2","1") = "8"
    & skf18("4","8","9","8","9","3","1") = "8"
    & skf18("4","8","9","8","9","4","1") = "8"
    & skf18("4","8","9","8","9","5","1") = "8"
    & skf18("4","8","9","8","9","6","1") = "8"
    & skf18("4","8","9","8","9","7","1") = "8"
    & skf18("4","8","9","8","9","8","1") = "8"
    & skf18("4","8","9","8","9","9","1") = "8"
    & skf18("4","8","9","8","9","10","1") = "9"
    & skf18("4","8","9","8","10","1","1") = "9"
    & skf18("4","8","9","8","10","2","1") = "9"
    & skf18("4","8","9","8","10","3","1") = "9"
    & skf18("4","8","9","8","10","4","1") = "9"
    & skf18("4","8","9","8","10","5","1") = "9"
    & skf18("4","8","9","8","10","6","1") = "9"
    & skf18("4","8","9","8","10","7","1") = "9"
    & skf18("4","8","9","8","10","8","1") = "9"
    & skf18("4","8","9","8","10","9","1") = "9"
    & skf18("4","8","9","8","10","10","1") = "9"
    & skf18("4","8","9","9","1","1","1") = "8"
    & skf18("4","8","9","9","1","2","1") = "8"
    & skf18("4","8","9","9","1","3","1") = "8"
    & skf18("4","8","9","9","1","4","1") = "8"
    & skf18("4","8","9","9","1","5","1") = "8"
    & skf18("4","8","9","9","1","6","1") = "8"
    & skf18("4","8","9","9","1","7","1") = "8"
    & skf18("4","8","9","9","1","8","1") = "8"
    & skf18("4","8","9","9","1","9","1") = "8"
    & skf18("4","8","9","9","1","10","1") = "9"
    & skf18("4","8","9","9","2","1","1") = "8"
    & skf18("4","8","9","9","2","2","1") = "8"
    & skf18("4","8","9","9","2","3","1") = "8"
    & skf18("4","8","9","9","2","4","1") = "8"
    & skf18("4","8","9","9","2","5","1") = "8"
    & skf18("4","8","9","9","2","6","1") = "8"
    & skf18("4","8","9","9","2","7","1") = "8"
    & skf18("4","8","9","9","2","8","1") = "8"
    & skf18("4","8","9","9","2","9","1") = "8"
    & skf18("4","8","9","9","2","10","1") = "9"
    & skf18("4","8","9","9","3","1","1") = "8"
    & skf18("4","8","9","9","3","2","1") = "8"
    & skf18("4","8","9","9","3","3","1") = "8"
    & skf18("4","8","9","9","3","4","1") = "8"
    & skf18("4","8","9","9","3","5","1") = "8"
    & skf18("4","8","9","9","3","6","1") = "8"
    & skf18("4","8","9","9","3","7","1") = "8"
    & skf18("4","8","9","9","3","8","1") = "8"
    & skf18("4","8","9","9","3","9","1") = "8"
    & skf18("4","8","9","9","3","10","1") = "9"
    & skf18("4","8","9","9","4","1","1") = "8"
    & skf18("4","8","9","9","4","2","1") = "8"
    & skf18("4","8","9","9","4","3","1") = "8"
    & skf18("4","8","9","9","4","4","1") = "8"
    & skf18("4","8","9","9","4","5","1") = "8"
    & skf18("4","8","9","9","4","6","1") = "8"
    & skf18("4","8","9","9","4","7","1") = "8"
    & skf18("4","8","9","9","4","8","1") = "8"
    & skf18("4","8","9","9","4","9","1") = "8"
    & skf18("4","8","9","9","4","10","1") = "9"
    & skf18("4","8","9","9","5","1","1") = "8"
    & skf18("4","8","9","9","5","2","1") = "8"
    & skf18("4","8","9","9","5","3","1") = "8"
    & skf18("4","8","9","9","5","4","1") = "8"
    & skf18("4","8","9","9","5","5","1") = "8"
    & skf18("4","8","9","9","5","6","1") = "8"
    & skf18("4","8","9","9","5","7","1") = "8"
    & skf18("4","8","9","9","5","8","1") = "8"
    & skf18("4","8","9","9","5","9","1") = "8"
    & skf18("4","8","9","9","5","10","1") = "9"
    & skf18("4","8","9","9","6","1","1") = "8"
    & skf18("4","8","9","9","6","2","1") = "8"
    & skf18("4","8","9","9","6","3","1") = "8"
    & skf18("4","8","9","9","6","4","1") = "8"
    & skf18("4","8","9","9","6","5","1") = "8"
    & skf18("4","8","9","9","6","6","1") = "8"
    & skf18("4","8","9","9","6","7","1") = "8"
    & skf18("4","8","9","9","6","8","1") = "8"
    & skf18("4","8","9","9","6","9","1") = "8"
    & skf18("4","8","9","9","6","10","1") = "9"
    & skf18("4","8","9","9","7","1","1") = "8"
    & skf18("4","8","9","9","7","2","1") = "8"
    & skf18("4","8","9","9","7","3","1") = "8"
    & skf18("4","8","9","9","7","4","1") = "8"
    & skf18("4","8","9","9","7","5","1") = "8"
    & skf18("4","8","9","9","7","6","1") = "8"
    & skf18("4","8","9","9","7","7","1") = "8"
    & skf18("4","8","9","9","7","8","1") = "8"
    & skf18("4","8","9","9","7","9","1") = "8"
    & skf18("4","8","9","9","7","10","1") = "9"
    & skf18("4","8","9","9","8","1","1") = "8"
    & skf18("4","8","9","9","8","2","1") = "8"
    & skf18("4","8","9","9","8","3","1") = "8"
    & skf18("4","8","9","9","8","4","1") = "8"
    & skf18("4","8","9","9","8","5","1") = "8"
    & skf18("4","8","9","9","8","6","1") = "8"
    & skf18("4","8","9","9","8","7","1") = "8"
    & skf18("4","8","9","9","8","8","1") = "8"
    & skf18("4","8","9","9","8","9","1") = "8"
    & skf18("4","8","9","9","8","10","1") = "9"
    & skf18("4","8","9","9","9","1","1") = "8"
    & skf18("4","8","9","9","9","2","1") = "8"
    & skf18("4","8","9","9","9","3","1") = "8"
    & skf18("4","8","9","9","9","4","1") = "8"
    & skf18("4","8","9","9","9","5","1") = "8"
    & skf18("4","8","9","9","9","6","1") = "8"
    & skf18("4","8","9","9","9","7","1") = "8"
    & skf18("4","8","9","9","9","8","1") = "8"
    & skf18("4","8","9","9","9","9","1") = "8"
    & skf18("4","8","9","9","9","10","1") = "9"
    & skf18("4","8","9","9","10","1","1") = "9"
    & skf18("4","8","9","9","10","2","1") = "9"
    & skf18("4","8","9","9","10","3","1") = "9"
    & skf18("4","8","9","9","10","4","1") = "9"
    & skf18("4","8","9","9","10","5","1") = "9"
    & skf18("4","8","9","9","10","6","1") = "9"
    & skf18("4","8","9","9","10","7","1") = "9"
    & skf18("4","8","9","9","10","8","1") = "9"
    & skf18("4","8","9","9","10","9","1") = "9"
    & skf18("4","8","9","9","10","10","1") = "9"
    & skf18("4","8","9","10","1","1","1") = "9"
    & skf18("4","8","9","10","1","2","1") = "9"
    & skf18("4","8","9","10","1","3","1") = "9"
    & skf18("4","8","9","10","1","4","1") = "9"
    & skf18("4","8","9","10","1","5","1") = "9"
    & skf18("4","8","9","10","1","6","1") = "9"
    & skf18("4","8","9","10","1","7","1") = "9"
    & skf18("4","8","9","10","1","8","1") = "9"
    & skf18("4","8","9","10","1","9","1") = "9"
    & skf18("4","8","9","10","1","10","1") = "9"
    & skf18("4","8","9","10","2","1","1") = "9"
    & skf18("4","8","9","10","2","2","1") = "9"
    & skf18("4","8","9","10","2","3","1") = "9"
    & skf18("4","8","9","10","2","4","1") = "9"
    & skf18("4","8","9","10","2","5","1") = "9"
    & skf18("4","8","9","10","2","6","1") = "9"
    & skf18("4","8","9","10","2","7","1") = "9"
    & skf18("4","8","9","10","2","8","1") = "9"
    & skf18("4","8","9","10","2","9","1") = "9"
    & skf18("4","8","9","10","2","10","1") = "9"
    & skf18("4","8","9","10","3","1","1") = "9"
    & skf18("4","8","9","10","3","2","1") = "9"
    & skf18("4","8","9","10","3","3","1") = "9"
    & skf18("4","8","9","10","3","4","1") = "9"
    & skf18("4","8","9","10","3","5","1") = "9"
    & skf18("4","8","9","10","3","6","1") = "9"
    & skf18("4","8","9","10","3","7","1") = "9"
    & skf18("4","8","9","10","3","8","1") = "9"
    & skf18("4","8","9","10","3","9","1") = "9"
    & skf18("4","8","9","10","3","10","1") = "9"
    & skf18("4","8","9","10","4","1","1") = "9"
    & skf18("4","8","9","10","4","2","1") = "9"
    & skf18("4","8","9","10","4","3","1") = "9"
    & skf18("4","8","9","10","4","4","1") = "9"
    & skf18("4","8","9","10","4","5","1") = "9"
    & skf18("4","8","9","10","4","6","1") = "9"
    & skf18("4","8","9","10","4","7","1") = "9"
    & skf18("4","8","9","10","4","8","1") = "9"
    & skf18("4","8","9","10","4","9","1") = "9"
    & skf18("4","8","9","10","4","10","1") = "9"
    & skf18("4","8","9","10","5","1","1") = "9"
    & skf18("4","8","9","10","5","2","1") = "9"
    & skf18("4","8","9","10","5","3","1") = "9"
    & skf18("4","8","9","10","5","4","1") = "9"
    & skf18("4","8","9","10","5","5","1") = "9"
    & skf18("4","8","9","10","5","6","1") = "9"
    & skf18("4","8","9","10","5","7","1") = "9"
    & skf18("4","8","9","10","5","8","1") = "9"
    & skf18("4","8","9","10","5","9","1") = "9"
    & skf18("4","8","9","10","5","10","1") = "9"
    & skf18("4","8","9","10","6","1","1") = "9"
    & skf18("4","8","9","10","6","2","1") = "9"
    & skf18("4","8","9","10","6","3","1") = "9"
    & skf18("4","8","9","10","6","4","1") = "9"
    & skf18("4","8","9","10","6","5","1") = "9"
    & skf18("4","8","9","10","6","6","1") = "9"
    & skf18("4","8","9","10","6","7","1") = "9"
    & skf18("4","8","9","10","6","8","1") = "9"
    & skf18("4","8","9","10","6","9","1") = "9"
    & skf18("4","8","9","10","6","10","1") = "9"
    & skf18("4","8","9","10","7","1","1") = "9"
    & skf18("4","8","9","10","7","2","1") = "9"
    & skf18("4","8","9","10","7","3","1") = "9"
    & skf18("4","8","9","10","7","4","1") = "9"
    & skf18("4","8","9","10","7","5","1") = "9"
    & skf18("4","8","9","10","7","6","1") = "9"
    & skf18("4","8","9","10","7","7","1") = "9"
    & skf18("4","8","9","10","7","8","1") = "9"
    & skf18("4","8","9","10","7","9","1") = "9"
    & skf18("4","8","9","10","7","10","1") = "9"
    & skf18("4","8","9","10","8","1","1") = "9"
    & skf18("4","8","9","10","8","2","1") = "9"
    & skf18("4","8","9","10","8","3","1") = "9"
    & skf18("4","8","9","10","8","4","1") = "9"
    & skf18("4","8","9","10","8","5","1") = "9"
    & skf18("4","8","9","10","8","6","1") = "9"
    & skf18("4","8","9","10","8","7","1") = "9"
    & skf18("4","8","9","10","8","8","1") = "9"
    & skf18("4","8","9","10","8","9","1") = "9"
    & skf18("4","8","9","10","8","10","1") = "9"
    & skf18("4","8","9","10","9","1","1") = "9"
    & skf18("4","8","9","10","9","2","1") = "9"
    & skf18("4","8","9","10","9","3","1") = "9"
    & skf18("4","8","9","10","9","4","1") = "9"
    & skf18("4","8","9","10","9","5","1") = "9"
    & skf18("4","8","9","10","9","6","1") = "9"
    & skf18("4","8","9","10","9","7","1") = "9"
    & skf18("4","8","9","10","9","8","1") = "9"
    & skf18("4","8","9","10","9","9","1") = "9"
    & skf18("4","8","9","10","9","10","1") = "9"
    & skf18("4","8","9","10","10","1","1") = "9"
    & skf18("4","8","9","10","10","2","1") = "9"
    & skf18("4","8","9","10","10","3","1") = "9"
    & skf18("4","8","9","10","10","4","1") = "9"
    & skf18("4","8","9","10","10","5","1") = "9"
    & skf18("4","8","9","10","10","6","1") = "9"
    & skf18("4","8","9","10","10","7","1") = "9"
    & skf18("4","8","9","10","10","8","1") = "9"
    & skf18("4","8","9","10","10","9","1") = "9"
    & skf18("4","8","9","10","10","10","1") = "9"
    & skf18("4","8","10","1","1","1","1") = "9"
    & skf18("4","8","10","1","1","2","1") = "9"
    & skf18("4","8","10","1","1","3","1") = "9"
    & skf18("4","8","10","1","1","4","1") = "9"
    & skf18("4","8","10","1","1","5","1") = "9"
    & skf18("4","8","10","1","1","6","1") = "9"
    & skf18("4","8","10","1","1","7","1") = "9"
    & skf18("4","8","10","1","1","8","1") = "9"
    & skf18("4","8","10","1","1","9","1") = "9"
    & skf18("4","8","10","1","1","10","1") = "9"
    & skf18("4","8","10","1","2","1","1") = "9"
    & skf18("4","8","10","1","2","2","1") = "9"
    & skf18("4","8","10","1","2","3","1") = "9"
    & skf18("4","8","10","1","2","4","1") = "9"
    & skf18("4","8","10","1","2","5","1") = "9"
    & skf18("4","8","10","1","2","6","1") = "9"
    & skf18("4","8","10","1","2","7","1") = "9"
    & skf18("4","8","10","1","2","8","1") = "9"
    & skf18("4","8","10","1","2","9","1") = "9"
    & skf18("4","8","10","1","2","10","1") = "9"
    & skf18("4","8","10","1","3","1","1") = "9"
    & skf18("4","8","10","1","3","2","1") = "9"
    & skf18("4","8","10","1","3","3","1") = "9"
    & skf18("4","8","10","1","3","4","1") = "9"
    & skf18("4","8","10","1","3","5","1") = "9"
    & skf18("4","8","10","1","3","6","1") = "9"
    & skf18("4","8","10","1","3","7","1") = "9"
    & skf18("4","8","10","1","3","8","1") = "9"
    & skf18("4","8","10","1","3","9","1") = "9"
    & skf18("4","8","10","1","3","10","1") = "9"
    & skf18("4","8","10","1","4","1","1") = "9"
    & skf18("4","8","10","1","4","2","1") = "9"
    & skf18("4","8","10","1","4","3","1") = "9"
    & skf18("4","8","10","1","4","4","1") = "9"
    & skf18("4","8","10","1","4","5","1") = "9"
    & skf18("4","8","10","1","4","6","1") = "9"
    & skf18("4","8","10","1","4","7","1") = "9"
    & skf18("4","8","10","1","4","8","1") = "9"
    & skf18("4","8","10","1","4","9","1") = "9"
    & skf18("4","8","10","1","4","10","1") = "9"
    & skf18("4","8","10","1","5","1","1") = "9"
    & skf18("4","8","10","1","5","2","1") = "9"
    & skf18("4","8","10","1","5","3","1") = "9"
    & skf18("4","8","10","1","5","4","1") = "9"
    & skf18("4","8","10","1","5","5","1") = "9"
    & skf18("4","8","10","1","5","6","1") = "9"
    & skf18("4","8","10","1","5","7","1") = "9"
    & skf18("4","8","10","1","5","8","1") = "9"
    & skf18("4","8","10","1","5","9","1") = "9"
    & skf18("4","8","10","1","5","10","1") = "9"
    & skf18("4","8","10","1","6","1","1") = "9"
    & skf18("4","8","10","1","6","2","1") = "9"
    & skf18("4","8","10","1","6","3","1") = "9"
    & skf18("4","8","10","1","6","4","1") = "9"
    & skf18("4","8","10","1","6","5","1") = "9"
    & skf18("4","8","10","1","6","6","1") = "9"
    & skf18("4","8","10","1","6","7","1") = "9"
    & skf18("4","8","10","1","6","8","1") = "9"
    & skf18("4","8","10","1","6","9","1") = "9"
    & skf18("4","8","10","1","6","10","1") = "9"
    & skf18("4","8","10","1","7","1","1") = "9"
    & skf18("4","8","10","1","7","2","1") = "9"
    & skf18("4","8","10","1","7","3","1") = "9"
    & skf18("4","8","10","1","7","4","1") = "9"
    & skf18("4","8","10","1","7","5","1") = "9"
    & skf18("4","8","10","1","7","6","1") = "9"
    & skf18("4","8","10","1","7","7","1") = "9"
    & skf18("4","8","10","1","7","8","1") = "9"
    & skf18("4","8","10","1","7","9","1") = "9"
    & skf18("4","8","10","1","7","10","1") = "9"
    & skf18("4","8","10","1","8","1","1") = "9"
    & skf18("4","8","10","1","8","2","1") = "9"
    & skf18("4","8","10","1","8","3","1") = "9"
    & skf18("4","8","10","1","8","4","1") = "9"
    & skf18("4","8","10","1","8","5","1") = "9"
    & skf18("4","8","10","1","8","6","1") = "9"
    & skf18("4","8","10","1","8","7","1") = "9"
    & skf18("4","8","10","1","8","8","1") = "9"
    & skf18("4","8","10","1","8","9","1") = "9"
    & skf18("4","8","10","1","8","10","1") = "9"
    & skf18("4","8","10","1","9","1","1") = "9"
    & skf18("4","8","10","1","9","2","1") = "9"
    & skf18("4","8","10","1","9","3","1") = "9"
    & skf18("4","8","10","1","9","4","1") = "9"
    & skf18("4","8","10","1","9","5","1") = "9"
    & skf18("4","8","10","1","9","6","1") = "9"
    & skf18("4","8","10","1","9","7","1") = "9"
    & skf18("4","8","10","1","9","8","1") = "9"
    & skf18("4","8","10","1","9","9","1") = "9"
    & skf18("4","8","10","1","9","10","1") = "9"
    & skf18("4","8","10","1","10","1","1") = "9"
    & skf18("4","8","10","1","10","2","1") = "9"
    & skf18("4","8","10","1","10","3","1") = "9"
    & skf18("4","8","10","1","10","4","1") = "9"
    & skf18("4","8","10","1","10","5","1") = "9"
    & skf18("4","8","10","1","10","6","1") = "9"
    & skf18("4","8","10","1","10","7","1") = "9"
    & skf18("4","8","10","1","10","8","1") = "9"
    & skf18("4","8","10","1","10","9","1") = "9"
    & skf18("4","8","10","1","10","10","1") = "9"
    & skf18("4","8","10","2","1","1","1") = "9"
    & skf18("4","8","10","2","1","2","1") = "9"
    & skf18("4","8","10","2","1","3","1") = "9"
    & skf18("4","8","10","2","1","4","1") = "9"
    & skf18("4","8","10","2","1","5","1") = "9"
    & skf18("4","8","10","2","1","6","1") = "9"
    & skf18("4","8","10","2","1","7","1") = "9"
    & skf18("4","8","10","2","1","8","1") = "9"
    & skf18("4","8","10","2","1","9","1") = "9"
    & skf18("4","8","10","2","1","10","1") = "9"
    & skf18("4","8","10","2","2","1","1") = "9"
    & skf18("4","8","10","2","2","2","1") = "9"
    & skf18("4","8","10","2","2","3","1") = "9"
    & skf18("4","8","10","2","2","4","1") = "9"
    & skf18("4","8","10","2","2","5","1") = "9"
    & skf18("4","8","10","2","2","6","1") = "9"
    & skf18("4","8","10","2","2","7","1") = "9"
    & skf18("4","8","10","2","2","8","1") = "9"
    & skf18("4","8","10","2","2","9","1") = "9"
    & skf18("4","8","10","2","2","10","1") = "9"
    & skf18("4","8","10","2","3","1","1") = "9"
    & skf18("4","8","10","2","3","2","1") = "9"
    & skf18("4","8","10","2","3","3","1") = "9"
    & skf18("4","8","10","2","3","4","1") = "9"
    & skf18("4","8","10","2","3","5","1") = "9"
    & skf18("4","8","10","2","3","6","1") = "9"
    & skf18("4","8","10","2","3","7","1") = "9"
    & skf18("4","8","10","2","3","8","1") = "9"
    & skf18("4","8","10","2","3","9","1") = "9"
    & skf18("4","8","10","2","3","10","1") = "9"
    & skf18("4","8","10","2","4","1","1") = "9"
    & skf18("4","8","10","2","4","2","1") = "9"
    & skf18("4","8","10","2","4","3","1") = "9"
    & skf18("4","8","10","2","4","4","1") = "9"
    & skf18("4","8","10","2","4","5","1") = "9"
    & skf18("4","8","10","2","4","6","1") = "9"
    & skf18("4","8","10","2","4","7","1") = "9"
    & skf18("4","8","10","2","4","8","1") = "9"
    & skf18("4","8","10","2","4","9","1") = "9"
    & skf18("4","8","10","2","4","10","1") = "9"
    & skf18("4","8","10","2","5","1","1") = "9"
    & skf18("4","8","10","2","5","2","1") = "9"
    & skf18("4","8","10","2","5","3","1") = "9"
    & skf18("4","8","10","2","5","4","1") = "9"
    & skf18("4","8","10","2","5","5","1") = "9"
    & skf18("4","8","10","2","5","6","1") = "9"
    & skf18("4","8","10","2","5","7","1") = "9"
    & skf18("4","8","10","2","5","8","1") = "9"
    & skf18("4","8","10","2","5","9","1") = "9"
    & skf18("4","8","10","2","5","10","1") = "9"
    & skf18("4","8","10","2","6","1","1") = "9"
    & skf18("4","8","10","2","6","2","1") = "9"
    & skf18("4","8","10","2","6","3","1") = "9"
    & skf18("4","8","10","2","6","4","1") = "9"
    & skf18("4","8","10","2","6","5","1") = "9"
    & skf18("4","8","10","2","6","6","1") = "9"
    & skf18("4","8","10","2","6","7","1") = "9"
    & skf18("4","8","10","2","6","8","1") = "9"
    & skf18("4","8","10","2","6","9","1") = "9"
    & skf18("4","8","10","2","6","10","1") = "9"
    & skf18("4","8","10","2","7","1","1") = "9"
    & skf18("4","8","10","2","7","2","1") = "9"
    & skf18("4","8","10","2","7","3","1") = "9"
    & skf18("4","8","10","2","7","4","1") = "9"
    & skf18("4","8","10","2","7","5","1") = "9"
    & skf18("4","8","10","2","7","6","1") = "9"
    & skf18("4","8","10","2","7","7","1") = "9"
    & skf18("4","8","10","2","7","8","1") = "9"
    & skf18("4","8","10","2","7","9","1") = "9"
    & skf18("4","8","10","2","7","10","1") = "9"
    & skf18("4","8","10","2","8","1","1") = "9"
    & skf18("4","8","10","2","8","2","1") = "9"
    & skf18("4","8","10","2","8","3","1") = "9"
    & skf18("4","8","10","2","8","4","1") = "9"
    & skf18("4","8","10","2","8","5","1") = "9"
    & skf18("4","8","10","2","8","6","1") = "9"
    & skf18("4","8","10","2","8","7","1") = "9"
    & skf18("4","8","10","2","8","8","1") = "9"
    & skf18("4","8","10","2","8","9","1") = "9"
    & skf18("4","8","10","2","8","10","1") = "9"
    & skf18("4","8","10","2","9","1","1") = "9"
    & skf18("4","8","10","2","9","2","1") = "9"
    & skf18("4","8","10","2","9","3","1") = "9"
    & skf18("4","8","10","2","9","4","1") = "9"
    & skf18("4","8","10","2","9","5","1") = "9"
    & skf18("4","8","10","2","9","6","1") = "9"
    & skf18("4","8","10","2","9","7","1") = "9"
    & skf18("4","8","10","2","9","8","1") = "9"
    & skf18("4","8","10","2","9","9","1") = "9"
    & skf18("4","8","10","2","9","10","1") = "9"
    & skf18("4","8","10","2","10","1","1") = "9"
    & skf18("4","8","10","2","10","2","1") = "9"
    & skf18("4","8","10","2","10","3","1") = "9"
    & skf18("4","8","10","2","10","4","1") = "9"
    & skf18("4","8","10","2","10","5","1") = "9"
    & skf18("4","8","10","2","10","6","1") = "9"
    & skf18("4","8","10","2","10","7","1") = "9"
    & skf18("4","8","10","2","10","8","1") = "9"
    & skf18("4","8","10","2","10","9","1") = "9"
    & skf18("4","8","10","2","10","10","1") = "9"
    & skf18("4","8","10","3","1","1","1") = "9"
    & skf18("4","8","10","3","1","2","1") = "9"
    & skf18("4","8","10","3","1","3","1") = "9"
    & skf18("4","8","10","3","1","4","1") = "9"
    & skf18("4","8","10","3","1","5","1") = "9"
    & skf18("4","8","10","3","1","6","1") = "9"
    & skf18("4","8","10","3","1","7","1") = "9"
    & skf18("4","8","10","3","1","8","1") = "9"
    & skf18("4","8","10","3","1","9","1") = "9"
    & skf18("4","8","10","3","1","10","1") = "9"
    & skf18("4","8","10","3","2","1","1") = "9"
    & skf18("4","8","10","3","2","2","1") = "9"
    & skf18("4","8","10","3","2","3","1") = "9"
    & skf18("4","8","10","3","2","4","1") = "9"
    & skf18("4","8","10","3","2","5","1") = "9"
    & skf18("4","8","10","3","2","6","1") = "9"
    & skf18("4","8","10","3","2","7","1") = "9"
    & skf18("4","8","10","3","2","8","1") = "9"
    & skf18("4","8","10","3","2","9","1") = "9"
    & skf18("4","8","10","3","2","10","1") = "9"
    & skf18("4","8","10","3","3","1","1") = "9"
    & skf18("4","8","10","3","3","2","1") = "9"
    & skf18("4","8","10","3","3","3","1") = "9"
    & skf18("4","8","10","3","3","4","1") = "9"
    & skf18("4","8","10","3","3","5","1") = "9"
    & skf18("4","8","10","3","3","6","1") = "9"
    & skf18("4","8","10","3","3","7","1") = "9"
    & skf18("4","8","10","3","3","8","1") = "9"
    & skf18("4","8","10","3","3","9","1") = "9"
    & skf18("4","8","10","3","3","10","1") = "9"
    & skf18("4","8","10","3","4","1","1") = "9"
    & skf18("4","8","10","3","4","2","1") = "9"
    & skf18("4","8","10","3","4","3","1") = "9"
    & skf18("4","8","10","3","4","4","1") = "9"
    & skf18("4","8","10","3","4","5","1") = "9"
    & skf18("4","8","10","3","4","6","1") = "9"
    & skf18("4","8","10","3","4","7","1") = "9"
    & skf18("4","8","10","3","4","8","1") = "9"
    & skf18("4","8","10","3","4","9","1") = "9"
    & skf18("4","8","10","3","4","10","1") = "9"
    & skf18("4","8","10","3","5","1","1") = "9"
    & skf18("4","8","10","3","5","2","1") = "9"
    & skf18("4","8","10","3","5","3","1") = "9"
    & skf18("4","8","10","3","5","4","1") = "9"
    & skf18("4","8","10","3","5","5","1") = "9"
    & skf18("4","8","10","3","5","6","1") = "9"
    & skf18("4","8","10","3","5","7","1") = "9"
    & skf18("4","8","10","3","5","8","1") = "9"
    & skf18("4","8","10","3","5","9","1") = "9"
    & skf18("4","8","10","3","5","10","1") = "9"
    & skf18("4","8","10","3","6","1","1") = "9"
    & skf18("4","8","10","3","6","2","1") = "9"
    & skf18("4","8","10","3","6","3","1") = "9"
    & skf18("4","8","10","3","6","4","1") = "9"
    & skf18("4","8","10","3","6","5","1") = "9"
    & skf18("4","8","10","3","6","6","1") = "9"
    & skf18("4","8","10","3","6","7","1") = "9"
    & skf18("4","8","10","3","6","8","1") = "9"
    & skf18("4","8","10","3","6","9","1") = "9"
    & skf18("4","8","10","3","6","10","1") = "9"
    & skf18("4","8","10","3","7","1","1") = "9"
    & skf18("4","8","10","3","7","2","1") = "9"
    & skf18("4","8","10","3","7","3","1") = "9"
    & skf18("4","8","10","3","7","4","1") = "9"
    & skf18("4","8","10","3","7","5","1") = "9"
    & skf18("4","8","10","3","7","6","1") = "9"
    & skf18("4","8","10","3","7","7","1") = "9"
    & skf18("4","8","10","3","7","8","1") = "9"
    & skf18("4","8","10","3","7","9","1") = "9"
    & skf18("4","8","10","3","7","10","1") = "9"
    & skf18("4","8","10","3","8","1","1") = "9"
    & skf18("4","8","10","3","8","2","1") = "9"
    & skf18("4","8","10","3","8","3","1") = "9"
    & skf18("4","8","10","3","8","4","1") = "9"
    & skf18("4","8","10","3","8","5","1") = "9"
    & skf18("4","8","10","3","8","6","1") = "9"
    & skf18("4","8","10","3","8","7","1") = "9"
    & skf18("4","8","10","3","8","8","1") = "9"
    & skf18("4","8","10","3","8","9","1") = "9"
    & skf18("4","8","10","3","8","10","1") = "9"
    & skf18("4","8","10","3","9","1","1") = "9"
    & skf18("4","8","10","3","9","2","1") = "9"
    & skf18("4","8","10","3","9","3","1") = "9"
    & skf18("4","8","10","3","9","4","1") = "9"
    & skf18("4","8","10","3","9","5","1") = "9"
    & skf18("4","8","10","3","9","6","1") = "9"
    & skf18("4","8","10","3","9","7","1") = "9"
    & skf18("4","8","10","3","9","8","1") = "9"
    & skf18("4","8","10","3","9","9","1") = "9"
    & skf18("4","8","10","3","9","10","1") = "9"
    & skf18("4","8","10","3","10","1","1") = "9"
    & skf18("4","8","10","3","10","2","1") = "9"
    & skf18("4","8","10","3","10","3","1") = "9"
    & skf18("4","8","10","3","10","4","1") = "9"
    & skf18("4","8","10","3","10","5","1") = "9"
    & skf18("4","8","10","3","10","6","1") = "9"
    & skf18("4","8","10","3","10","7","1") = "9"
    & skf18("4","8","10","3","10","8","1") = "9"
    & skf18("4","8","10","3","10","9","1") = "9"
    & skf18("4","8","10","3","10","10","1") = "9"
    & skf18("4","8","10","4","1","1","1") = "9"
    & skf18("4","8","10","4","1","2","1") = "9"
    & skf18("4","8","10","4","1","3","1") = "9"
    & skf18("4","8","10","4","1","4","1") = "9"
    & skf18("4","8","10","4","1","5","1") = "9"
    & skf18("4","8","10","4","1","6","1") = "9"
    & skf18("4","8","10","4","1","7","1") = "9"
    & skf18("4","8","10","4","1","8","1") = "9"
    & skf18("4","8","10","4","1","9","1") = "9"
    & skf18("4","8","10","4","1","10","1") = "9"
    & skf18("4","8","10","4","2","1","1") = "9"
    & skf18("4","8","10","4","2","2","1") = "9"
    & skf18("4","8","10","4","2","3","1") = "9"
    & skf18("4","8","10","4","2","4","1") = "9"
    & skf18("4","8","10","4","2","5","1") = "9"
    & skf18("4","8","10","4","2","6","1") = "9"
    & skf18("4","8","10","4","2","7","1") = "9"
    & skf18("4","8","10","4","2","8","1") = "9"
    & skf18("4","8","10","4","2","9","1") = "9"
    & skf18("4","8","10","4","2","10","1") = "9"
    & skf18("4","8","10","4","3","1","1") = "9"
    & skf18("4","8","10","4","3","2","1") = "9"
    & skf18("4","8","10","4","3","3","1") = "9"
    & skf18("4","8","10","4","3","4","1") = "9"
    & skf18("4","8","10","4","3","5","1") = "9"
    & skf18("4","8","10","4","3","6","1") = "9"
    & skf18("4","8","10","4","3","7","1") = "9"
    & skf18("4","8","10","4","3","8","1") = "9"
    & skf18("4","8","10","4","3","9","1") = "9"
    & skf18("4","8","10","4","3","10","1") = "9"
    & skf18("4","8","10","4","4","1","1") = "9"
    & skf18("4","8","10","4","4","2","1") = "9"
    & skf18("4","8","10","4","4","3","1") = "9"
    & skf18("4","8","10","4","4","4","1") = "9"
    & skf18("4","8","10","4","4","5","1") = "9"
    & skf18("4","8","10","4","4","6","1") = "9"
    & skf18("4","8","10","4","4","7","1") = "9"
    & skf18("4","8","10","4","4","8","1") = "9"
    & skf18("4","8","10","4","4","9","1") = "9"
    & skf18("4","8","10","4","4","10","1") = "9"
    & skf18("4","8","10","4","5","1","1") = "9"
    & skf18("4","8","10","4","5","2","1") = "9"
    & skf18("4","8","10","4","5","3","1") = "9"
    & skf18("4","8","10","4","5","4","1") = "9"
    & skf18("4","8","10","4","5","5","1") = "9"
    & skf18("4","8","10","4","5","6","1") = "9"
    & skf18("4","8","10","4","5","7","1") = "9"
    & skf18("4","8","10","4","5","8","1") = "9"
    & skf18("4","8","10","4","5","9","1") = "9"
    & skf18("4","8","10","4","5","10","1") = "9"
    & skf18("4","8","10","4","6","1","1") = "9"
    & skf18("4","8","10","4","6","2","1") = "9"
    & skf18("4","8","10","4","6","3","1") = "9"
    & skf18("4","8","10","4","6","4","1") = "9"
    & skf18("4","8","10","4","6","5","1") = "9"
    & skf18("4","8","10","4","6","6","1") = "9"
    & skf18("4","8","10","4","6","7","1") = "9"
    & skf18("4","8","10","4","6","8","1") = "9"
    & skf18("4","8","10","4","6","9","1") = "9"
    & skf18("4","8","10","4","6","10","1") = "9"
    & skf18("4","8","10","4","7","1","1") = "9"
    & skf18("4","8","10","4","7","2","1") = "9"
    & skf18("4","8","10","4","7","3","1") = "9"
    & skf18("4","8","10","4","7","4","1") = "9"
    & skf18("4","8","10","4","7","5","1") = "9"
    & skf18("4","8","10","4","7","6","1") = "9"
    & skf18("4","8","10","4","7","7","1") = "9"
    & skf18("4","8","10","4","7","8","1") = "9"
    & skf18("4","8","10","4","7","9","1") = "9"
    & skf18("4","8","10","4","7","10","1") = "9"
    & skf18("4","8","10","4","8","1","1") = "9"
    & skf18("4","8","10","4","8","2","1") = "9"
    & skf18("4","8","10","4","8","3","1") = "9"
    & skf18("4","8","10","4","8","4","1") = "9"
    & skf18("4","8","10","4","8","5","1") = "9"
    & skf18("4","8","10","4","8","6","1") = "9"
    & skf18("4","8","10","4","8","7","1") = "9"
    & skf18("4","8","10","4","8","8","1") = "9"
    & skf18("4","8","10","4","8","9","1") = "9"
    & skf18("4","8","10","4","8","10","1") = "9"
    & skf18("4","8","10","4","9","1","1") = "9"
    & skf18("4","8","10","4","9","2","1") = "9"
    & skf18("4","8","10","4","9","3","1") = "9"
    & skf18("4","8","10","4","9","4","1") = "9"
    & skf18("4","8","10","4","9","5","1") = "9"
    & skf18("4","8","10","4","9","6","1") = "9"
    & skf18("4","8","10","4","9","7","1") = "9"
    & skf18("4","8","10","4","9","8","1") = "9"
    & skf18("4","8","10","4","9","9","1") = "9"
    & skf18("4","8","10","4","9","10","1") = "9"
    & skf18("4","8","10","4","10","1","1") = "9"
    & skf18("4","8","10","4","10","2","1") = "9"
    & skf18("4","8","10","4","10","3","1") = "9"
    & skf18("4","8","10","4","10","4","1") = "9"
    & skf18("4","8","10","4","10","5","1") = "9"
    & skf18("4","8","10","4","10","6","1") = "9"
    & skf18("4","8","10","4","10","7","1") = "9"
    & skf18("4","8","10","4","10","8","1") = "9"
    & skf18("4","8","10","4","10","9","1") = "9"
    & skf18("4","8","10","4","10","10","1") = "9"
    & skf18("4","8","10","5","1","1","1") = "9"
    & skf18("4","8","10","5","1","2","1") = "9"
    & skf18("4","8","10","5","1","3","1") = "9"
    & skf18("4","8","10","5","1","4","1") = "9"
    & skf18("4","8","10","5","1","5","1") = "9"
    & skf18("4","8","10","5","1","6","1") = "9"
    & skf18("4","8","10","5","1","7","1") = "9"
    & skf18("4","8","10","5","1","8","1") = "9"
    & skf18("4","8","10","5","1","9","1") = "9"
    & skf18("4","8","10","5","1","10","1") = "9"
    & skf18("4","8","10","5","2","1","1") = "9"
    & skf18("4","8","10","5","2","2","1") = "9"
    & skf18("4","8","10","5","2","3","1") = "9"
    & skf18("4","8","10","5","2","4","1") = "9"
    & skf18("4","8","10","5","2","5","1") = "9"
    & skf18("4","8","10","5","2","6","1") = "9"
    & skf18("4","8","10","5","2","7","1") = "9"
    & skf18("4","8","10","5","2","8","1") = "9"
    & skf18("4","8","10","5","2","9","1") = "9"
    & skf18("4","8","10","5","2","10","1") = "9"
    & skf18("4","8","10","5","3","1","1") = "9"
    & skf18("4","8","10","5","3","2","1") = "9"
    & skf18("4","8","10","5","3","3","1") = "9"
    & skf18("4","8","10","5","3","4","1") = "9"
    & skf18("4","8","10","5","3","5","1") = "9"
    & skf18("4","8","10","5","3","6","1") = "9"
    & skf18("4","8","10","5","3","7","1") = "9"
    & skf18("4","8","10","5","3","8","1") = "9"
    & skf18("4","8","10","5","3","9","1") = "9"
    & skf18("4","8","10","5","3","10","1") = "9"
    & skf18("4","8","10","5","4","1","1") = "9"
    & skf18("4","8","10","5","4","2","1") = "9"
    & skf18("4","8","10","5","4","3","1") = "9"
    & skf18("4","8","10","5","4","4","1") = "9"
    & skf18("4","8","10","5","4","5","1") = "9"
    & skf18("4","8","10","5","4","6","1") = "9"
    & skf18("4","8","10","5","4","7","1") = "9"
    & skf18("4","8","10","5","4","8","1") = "9"
    & skf18("4","8","10","5","4","9","1") = "9"
    & skf18("4","8","10","5","4","10","1") = "9"
    & skf18("4","8","10","5","5","1","1") = "9"
    & skf18("4","8","10","5","5","2","1") = "9"
    & skf18("4","8","10","5","5","3","1") = "9"
    & skf18("4","8","10","5","5","4","1") = "9"
    & skf18("4","8","10","5","5","5","1") = "9"
    & skf18("4","8","10","5","5","6","1") = "9"
    & skf18("4","8","10","5","5","7","1") = "9"
    & skf18("4","8","10","5","5","8","1") = "9"
    & skf18("4","8","10","5","5","9","1") = "9"
    & skf18("4","8","10","5","5","10","1") = "9"
    & skf18("4","8","10","5","6","1","1") = "9"
    & skf18("4","8","10","5","6","2","1") = "9"
    & skf18("4","8","10","5","6","3","1") = "9"
    & skf18("4","8","10","5","6","4","1") = "9"
    & skf18("4","8","10","5","6","5","1") = "9"
    & skf18("4","8","10","5","6","6","1") = "9"
    & skf18("4","8","10","5","6","7","1") = "9"
    & skf18("4","8","10","5","6","8","1") = "9"
    & skf18("4","8","10","5","6","9","1") = "9"
    & skf18("4","8","10","5","6","10","1") = "9"
    & skf18("4","8","10","5","7","1","1") = "9"
    & skf18("4","8","10","5","7","2","1") = "9"
    & skf18("4","8","10","5","7","3","1") = "9"
    & skf18("4","8","10","5","7","4","1") = "9"
    & skf18("4","8","10","5","7","5","1") = "9"
    & skf18("4","8","10","5","7","6","1") = "9"
    & skf18("4","8","10","5","7","7","1") = "9"
    & skf18("4","8","10","5","7","8","1") = "9"
    & skf18("4","8","10","5","7","9","1") = "9"
    & skf18("4","8","10","5","7","10","1") = "9"
    & skf18("4","8","10","5","8","1","1") = "9"
    & skf18("4","8","10","5","8","2","1") = "9"
    & skf18("4","8","10","5","8","3","1") = "9"
    & skf18("4","8","10","5","8","4","1") = "9"
    & skf18("4","8","10","5","8","5","1") = "9"
    & skf18("4","8","10","5","8","6","1") = "9"
    & skf18("4","8","10","5","8","7","1") = "9"
    & skf18("4","8","10","5","8","8","1") = "9"
    & skf18("4","8","10","5","8","9","1") = "9"
    & skf18("4","8","10","5","8","10","1") = "9"
    & skf18("4","8","10","5","9","1","1") = "9"
    & skf18("4","8","10","5","9","2","1") = "9"
    & skf18("4","8","10","5","9","3","1") = "9"
    & skf18("4","8","10","5","9","4","1") = "9"
    & skf18("4","8","10","5","9","5","1") = "9"
    & skf18("4","8","10","5","9","6","1") = "9"
    & skf18("4","8","10","5","9","7","1") = "9"
    & skf18("4","8","10","5","9","8","1") = "9"
    & skf18("4","8","10","5","9","9","1") = "9"
    & skf18("4","8","10","5","9","10","1") = "9"
    & skf18("4","8","10","5","10","1","1") = "9"
    & skf18("4","8","10","5","10","2","1") = "9"
    & skf18("4","8","10","5","10","3","1") = "9"
    & skf18("4","8","10","5","10","4","1") = "9"
    & skf18("4","8","10","5","10","5","1") = "9"
    & skf18("4","8","10","5","10","6","1") = "9"
    & skf18("4","8","10","5","10","7","1") = "9"
    & skf18("4","8","10","5","10","8","1") = "9"
    & skf18("4","8","10","5","10","9","1") = "9"
    & skf18("4","8","10","5","10","10","1") = "9"
    & skf18("4","8","10","6","1","1","1") = "9"
    & skf18("4","8","10","6","1","2","1") = "9"
    & skf18("4","8","10","6","1","3","1") = "9"
    & skf18("4","8","10","6","1","4","1") = "9"
    & skf18("4","8","10","6","1","5","1") = "9"
    & skf18("4","8","10","6","1","6","1") = "9"
    & skf18("4","8","10","6","1","7","1") = "9"
    & skf18("4","8","10","6","1","8","1") = "9"
    & skf18("4","8","10","6","1","9","1") = "9"
    & skf18("4","8","10","6","1","10","1") = "9"
    & skf18("4","8","10","6","2","1","1") = "9"
    & skf18("4","8","10","6","2","2","1") = "9"
    & skf18("4","8","10","6","2","3","1") = "9"
    & skf18("4","8","10","6","2","4","1") = "9"
    & skf18("4","8","10","6","2","5","1") = "9"
    & skf18("4","8","10","6","2","6","1") = "9"
    & skf18("4","8","10","6","2","7","1") = "9"
    & skf18("4","8","10","6","2","8","1") = "9"
    & skf18("4","8","10","6","2","9","1") = "9"
    & skf18("4","8","10","6","2","10","1") = "9"
    & skf18("4","8","10","6","3","1","1") = "9"
    & skf18("4","8","10","6","3","2","1") = "9"
    & skf18("4","8","10","6","3","3","1") = "9"
    & skf18("4","8","10","6","3","4","1") = "9"
    & skf18("4","8","10","6","3","5","1") = "9"
    & skf18("4","8","10","6","3","6","1") = "9"
    & skf18("4","8","10","6","3","7","1") = "9"
    & skf18("4","8","10","6","3","8","1") = "9"
    & skf18("4","8","10","6","3","9","1") = "9"
    & skf18("4","8","10","6","3","10","1") = "9"
    & skf18("4","8","10","6","4","1","1") = "9"
    & skf18("4","8","10","6","4","2","1") = "9"
    & skf18("4","8","10","6","4","3","1") = "9"
    & skf18("4","8","10","6","4","4","1") = "9"
    & skf18("4","8","10","6","4","5","1") = "9"
    & skf18("4","8","10","6","4","6","1") = "9"
    & skf18("4","8","10","6","4","7","1") = "9"
    & skf18("4","8","10","6","4","8","1") = "9"
    & skf18("4","8","10","6","4","9","1") = "9"
    & skf18("4","8","10","6","4","10","1") = "9"
    & skf18("4","8","10","6","5","1","1") = "9"
    & skf18("4","8","10","6","5","2","1") = "9"
    & skf18("4","8","10","6","5","3","1") = "9"
    & skf18("4","8","10","6","5","4","1") = "9"
    & skf18("4","8","10","6","5","5","1") = "9"
    & skf18("4","8","10","6","5","6","1") = "9"
    & skf18("4","8","10","6","5","7","1") = "9"
    & skf18("4","8","10","6","5","8","1") = "9"
    & skf18("4","8","10","6","5","9","1") = "9"
    & skf18("4","8","10","6","5","10","1") = "9"
    & skf18("4","8","10","6","6","1","1") = "9"
    & skf18("4","8","10","6","6","2","1") = "9"
    & skf18("4","8","10","6","6","3","1") = "9"
    & skf18("4","8","10","6","6","4","1") = "9"
    & skf18("4","8","10","6","6","5","1") = "9"
    & skf18("4","8","10","6","6","6","1") = "9"
    & skf18("4","8","10","6","6","7","1") = "9"
    & skf18("4","8","10","6","6","8","1") = "9"
    & skf18("4","8","10","6","6","9","1") = "9"
    & skf18("4","8","10","6","6","10","1") = "9"
    & skf18("4","8","10","6","7","1","1") = "9"
    & skf18("4","8","10","6","7","2","1") = "9"
    & skf18("4","8","10","6","7","3","1") = "9"
    & skf18("4","8","10","6","7","4","1") = "9"
    & skf18("4","8","10","6","7","5","1") = "9"
    & skf18("4","8","10","6","7","6","1") = "9"
    & skf18("4","8","10","6","7","7","1") = "9"
    & skf18("4","8","10","6","7","8","1") = "9"
    & skf18("4","8","10","6","7","9","1") = "9"
    & skf18("4","8","10","6","7","10","1") = "9"
    & skf18("4","8","10","6","8","1","1") = "9"
    & skf18("4","8","10","6","8","2","1") = "9"
    & skf18("4","8","10","6","8","3","1") = "9"
    & skf18("4","8","10","6","8","4","1") = "9"
    & skf18("4","8","10","6","8","5","1") = "9"
    & skf18("4","8","10","6","8","6","1") = "9"
    & skf18("4","8","10","6","8","7","1") = "9"
    & skf18("4","8","10","6","8","8","1") = "9"
    & skf18("4","8","10","6","8","9","1") = "9"
    & skf18("4","8","10","6","8","10","1") = "9"
    & skf18("4","8","10","6","9","1","1") = "9"
    & skf18("4","8","10","6","9","2","1") = "9"
    & skf18("4","8","10","6","9","3","1") = "9"
    & skf18("4","8","10","6","9","4","1") = "9"
    & skf18("4","8","10","6","9","5","1") = "9"
    & skf18("4","8","10","6","9","6","1") = "9"
    & skf18("4","8","10","6","9","7","1") = "9"
    & skf18("4","8","10","6","9","8","1") = "9"
    & skf18("4","8","10","6","9","9","1") = "9"
    & skf18("4","8","10","6","9","10","1") = "9"
    & skf18("4","8","10","6","10","1","1") = "9"
    & skf18("4","8","10","6","10","2","1") = "9"
    & skf18("4","8","10","6","10","3","1") = "9"
    & skf18("4","8","10","6","10","4","1") = "9"
    & skf18("4","8","10","6","10","5","1") = "9"
    & skf18("4","8","10","6","10","6","1") = "9"
    & skf18("4","8","10","6","10","7","1") = "9"
    & skf18("4","8","10","6","10","8","1") = "9"
    & skf18("4","8","10","6","10","9","1") = "9"
    & skf18("4","8","10","6","10","10","1") = "9"
    & skf18("4","8","10","7","1","1","1") = "9"
    & skf18("4","8","10","7","1","2","1") = "9"
    & skf18("4","8","10","7","1","3","1") = "9"
    & skf18("4","8","10","7","1","4","1") = "9"
    & skf18("4","8","10","7","1","5","1") = "9"
    & skf18("4","8","10","7","1","6","1") = "9"
    & skf18("4","8","10","7","1","7","1") = "9"
    & skf18("4","8","10","7","1","8","1") = "9"
    & skf18("4","8","10","7","1","9","1") = "9"
    & skf18("4","8","10","7","1","10","1") = "9"
    & skf18("4","8","10","7","2","1","1") = "9"
    & skf18("4","8","10","7","2","2","1") = "9"
    & skf18("4","8","10","7","2","3","1") = "9"
    & skf18("4","8","10","7","2","4","1") = "9"
    & skf18("4","8","10","7","2","5","1") = "9"
    & skf18("4","8","10","7","2","6","1") = "9"
    & skf18("4","8","10","7","2","7","1") = "9"
    & skf18("4","8","10","7","2","8","1") = "9"
    & skf18("4","8","10","7","2","9","1") = "9"
    & skf18("4","8","10","7","2","10","1") = "9"
    & skf18("4","8","10","7","3","1","1") = "9"
    & skf18("4","8","10","7","3","2","1") = "9"
    & skf18("4","8","10","7","3","3","1") = "9"
    & skf18("4","8","10","7","3","4","1") = "9"
    & skf18("4","8","10","7","3","5","1") = "9"
    & skf18("4","8","10","7","3","6","1") = "9"
    & skf18("4","8","10","7","3","7","1") = "9"
    & skf18("4","8","10","7","3","8","1") = "9"
    & skf18("4","8","10","7","3","9","1") = "9"
    & skf18("4","8","10","7","3","10","1") = "9"
    & skf18("4","8","10","7","4","1","1") = "9"
    & skf18("4","8","10","7","4","2","1") = "9"
    & skf18("4","8","10","7","4","3","1") = "9"
    & skf18("4","8","10","7","4","4","1") = "9"
    & skf18("4","8","10","7","4","5","1") = "9"
    & skf18("4","8","10","7","4","6","1") = "9"
    & skf18("4","8","10","7","4","7","1") = "9"
    & skf18("4","8","10","7","4","8","1") = "9"
    & skf18("4","8","10","7","4","9","1") = "9"
    & skf18("4","8","10","7","4","10","1") = "9"
    & skf18("4","8","10","7","5","1","1") = "9"
    & skf18("4","8","10","7","5","2","1") = "9"
    & skf18("4","8","10","7","5","3","1") = "9"
    & skf18("4","8","10","7","5","4","1") = "9"
    & skf18("4","8","10","7","5","5","1") = "9"
    & skf18("4","8","10","7","5","6","1") = "9"
    & skf18("4","8","10","7","5","7","1") = "9"
    & skf18("4","8","10","7","5","8","1") = "9"
    & skf18("4","8","10","7","5","9","1") = "9"
    & skf18("4","8","10","7","5","10","1") = "9"
    & skf18("4","8","10","7","6","1","1") = "9"
    & skf18("4","8","10","7","6","2","1") = "9"
    & skf18("4","8","10","7","6","3","1") = "9"
    & skf18("4","8","10","7","6","4","1") = "9"
    & skf18("4","8","10","7","6","5","1") = "9"
    & skf18("4","8","10","7","6","6","1") = "9"
    & skf18("4","8","10","7","6","7","1") = "9"
    & skf18("4","8","10","7","6","8","1") = "9"
    & skf18("4","8","10","7","6","9","1") = "9"
    & skf18("4","8","10","7","6","10","1") = "9"
    & skf18("4","8","10","7","7","1","1") = "9"
    & skf18("4","8","10","7","7","2","1") = "9"
    & skf18("4","8","10","7","7","3","1") = "9"
    & skf18("4","8","10","7","7","4","1") = "9"
    & skf18("4","8","10","7","7","5","1") = "9"
    & skf18("4","8","10","7","7","6","1") = "9"
    & skf18("4","8","10","7","7","7","1") = "9"
    & skf18("4","8","10","7","7","8","1") = "9"
    & skf18("4","8","10","7","7","9","1") = "9"
    & skf18("4","8","10","7","7","10","1") = "9"
    & skf18("4","8","10","7","8","1","1") = "9"
    & skf18("4","8","10","7","8","2","1") = "9"
    & skf18("4","8","10","7","8","3","1") = "9"
    & skf18("4","8","10","7","8","4","1") = "9"
    & skf18("4","8","10","7","8","5","1") = "9"
    & skf18("4","8","10","7","8","6","1") = "9"
    & skf18("4","8","10","7","8","7","1") = "9"
    & skf18("4","8","10","7","8","8","1") = "9"
    & skf18("4","8","10","7","8","9","1") = "9"
    & skf18("4","8","10","7","8","10","1") = "9"
    & skf18("4","8","10","7","9","1","1") = "9"
    & skf18("4","8","10","7","9","2","1") = "9"
    & skf18("4","8","10","7","9","3","1") = "9"
    & skf18("4","8","10","7","9","4","1") = "9"
    & skf18("4","8","10","7","9","5","1") = "9"
    & skf18("4","8","10","7","9","6","1") = "9"
    & skf18("4","8","10","7","9","7","1") = "9"
    & skf18("4","8","10","7","9","8","1") = "9"
    & skf18("4","8","10","7","9","9","1") = "9"
    & skf18("4","8","10","7","9","10","1") = "9"
    & skf18("4","8","10","7","10","1","1") = "9"
    & skf18("4","8","10","7","10","2","1") = "9"
    & skf18("4","8","10","7","10","3","1") = "9"
    & skf18("4","8","10","7","10","4","1") = "9"
    & skf18("4","8","10","7","10","5","1") = "9"
    & skf18("4","8","10","7","10","6","1") = "9"
    & skf18("4","8","10","7","10","7","1") = "9"
    & skf18("4","8","10","7","10","8","1") = "9"
    & skf18("4","8","10","7","10","9","1") = "9"
    & skf18("4","8","10","7","10","10","1") = "9"
    & skf18("4","8","10","8","1","1","1") = "9"
    & skf18("4","8","10","8","1","2","1") = "9"
    & skf18("4","8","10","8","1","3","1") = "9"
    & skf18("4","8","10","8","1","4","1") = "9"
    & skf18("4","8","10","8","1","5","1") = "9"
    & skf18("4","8","10","8","1","6","1") = "9"
    & skf18("4","8","10","8","1","7","1") = "9"
    & skf18("4","8","10","8","1","8","1") = "9"
    & skf18("4","8","10","8","1","9","1") = "9"
    & skf18("4","8","10","8","1","10","1") = "9"
    & skf18("4","8","10","8","2","1","1") = "9"
    & skf18("4","8","10","8","2","2","1") = "9"
    & skf18("4","8","10","8","2","3","1") = "9"
    & skf18("4","8","10","8","2","4","1") = "9"
    & skf18("4","8","10","8","2","5","1") = "9"
    & skf18("4","8","10","8","2","6","1") = "9"
    & skf18("4","8","10","8","2","7","1") = "9"
    & skf18("4","8","10","8","2","8","1") = "9"
    & skf18("4","8","10","8","2","9","1") = "9"
    & skf18("4","8","10","8","2","10","1") = "9"
    & skf18("4","8","10","8","3","1","1") = "9"
    & skf18("4","8","10","8","3","2","1") = "9"
    & skf18("4","8","10","8","3","3","1") = "9"
    & skf18("4","8","10","8","3","4","1") = "9"
    & skf18("4","8","10","8","3","5","1") = "9"
    & skf18("4","8","10","8","3","6","1") = "9"
    & skf18("4","8","10","8","3","7","1") = "9"
    & skf18("4","8","10","8","3","8","1") = "9"
    & skf18("4","8","10","8","3","9","1") = "9"
    & skf18("4","8","10","8","3","10","1") = "9"
    & skf18("4","8","10","8","4","1","1") = "9"
    & skf18("4","8","10","8","4","2","1") = "9"
    & skf18("4","8","10","8","4","3","1") = "9"
    & skf18("4","8","10","8","4","4","1") = "9"
    & skf18("4","8","10","8","4","5","1") = "9"
    & skf18("4","8","10","8","4","6","1") = "9"
    & skf18("4","8","10","8","4","7","1") = "9"
    & skf18("4","8","10","8","4","8","1") = "9"
    & skf18("4","8","10","8","4","9","1") = "9"
    & skf18("4","8","10","8","4","10","1") = "9"
    & skf18("4","8","10","8","5","1","1") = "9"
    & skf18("4","8","10","8","5","2","1") = "9"
    & skf18("4","8","10","8","5","3","1") = "9"
    & skf18("4","8","10","8","5","4","1") = "9"
    & skf18("4","8","10","8","5","5","1") = "9"
    & skf18("4","8","10","8","5","6","1") = "9"
    & skf18("4","8","10","8","5","7","1") = "9"
    & skf18("4","8","10","8","5","8","1") = "9"
    & skf18("4","8","10","8","5","9","1") = "9"
    & skf18("4","8","10","8","5","10","1") = "9"
    & skf18("4","8","10","8","6","1","1") = "9"
    & skf18("4","8","10","8","6","2","1") = "9"
    & skf18("4","8","10","8","6","3","1") = "9"
    & skf18("4","8","10","8","6","4","1") = "9"
    & skf18("4","8","10","8","6","5","1") = "9"
    & skf18("4","8","10","8","6","6","1") = "9"
    & skf18("4","8","10","8","6","7","1") = "9"
    & skf18("4","8","10","8","6","8","1") = "9"
    & skf18("4","8","10","8","6","9","1") = "9"
    & skf18("4","8","10","8","6","10","1") = "9"
    & skf18("4","8","10","8","7","1","1") = "9"
    & skf18("4","8","10","8","7","2","1") = "9"
    & skf18("4","8","10","8","7","3","1") = "9"
    & skf18("4","8","10","8","7","4","1") = "9"
    & skf18("4","8","10","8","7","5","1") = "9"
    & skf18("4","8","10","8","7","6","1") = "9"
    & skf18("4","8","10","8","7","7","1") = "9"
    & skf18("4","8","10","8","7","8","1") = "9"
    & skf18("4","8","10","8","7","9","1") = "9"
    & skf18("4","8","10","8","7","10","1") = "9"
    & skf18("4","8","10","8","8","1","1") = "9"
    & skf18("4","8","10","8","8","2","1") = "9"
    & skf18("4","8","10","8","8","3","1") = "9"
    & skf18("4","8","10","8","8","4","1") = "9"
    & skf18("4","8","10","8","8","5","1") = "9"
    & skf18("4","8","10","8","8","6","1") = "9"
    & skf18("4","8","10","8","8","7","1") = "9"
    & skf18("4","8","10","8","8","8","1") = "9"
    & skf18("4","8","10","8","8","9","1") = "9"
    & skf18("4","8","10","8","8","10","1") = "9"
    & skf18("4","8","10","8","9","1","1") = "9"
    & skf18("4","8","10","8","9","2","1") = "9"
    & skf18("4","8","10","8","9","3","1") = "9"
    & skf18("4","8","10","8","9","4","1") = "9"
    & skf18("4","8","10","8","9","5","1") = "9"
    & skf18("4","8","10","8","9","6","1") = "9"
    & skf18("4","8","10","8","9","7","1") = "9"
    & skf18("4","8","10","8","9","8","1") = "9"
    & skf18("4","8","10","8","9","9","1") = "9"
    & skf18("4","8","10","8","9","10","1") = "9"
    & skf18("4","8","10","8","10","1","1") = "9"
    & skf18("4","8","10","8","10","2","1") = "9"
    & skf18("4","8","10","8","10","3","1") = "9"
    & skf18("4","8","10","8","10","4","1") = "9"
    & skf18("4","8","10","8","10","5","1") = "9"
    & skf18("4","8","10","8","10","6","1") = "9"
    & skf18("4","8","10","8","10","7","1") = "9"
    & skf18("4","8","10","8","10","8","1") = "9"
    & skf18("4","8","10","8","10","9","1") = "9"
    & skf18("4","8","10","8","10","10","1") = "9"
    & skf18("4","8","10","9","1","1","1") = "9"
    & skf18("4","8","10","9","1","2","1") = "9"
    & skf18("4","8","10","9","1","3","1") = "9"
    & skf18("4","8","10","9","1","4","1") = "9"
    & skf18("4","8","10","9","1","5","1") = "9"
    & skf18("4","8","10","9","1","6","1") = "9"
    & skf18("4","8","10","9","1","7","1") = "9"
    & skf18("4","8","10","9","1","8","1") = "9"
    & skf18("4","8","10","9","1","9","1") = "9"
    & skf18("4","8","10","9","1","10","1") = "9"
    & skf18("4","8","10","9","2","1","1") = "9"
    & skf18("4","8","10","9","2","2","1") = "9"
    & skf18("4","8","10","9","2","3","1") = "9"
    & skf18("4","8","10","9","2","4","1") = "9"
    & skf18("4","8","10","9","2","5","1") = "9"
    & skf18("4","8","10","9","2","6","1") = "9"
    & skf18("4","8","10","9","2","7","1") = "9"
    & skf18("4","8","10","9","2","8","1") = "9"
    & skf18("4","8","10","9","2","9","1") = "9"
    & skf18("4","8","10","9","2","10","1") = "9"
    & skf18("4","8","10","9","3","1","1") = "9"
    & skf18("4","8","10","9","3","2","1") = "9"
    & skf18("4","8","10","9","3","3","1") = "9"
    & skf18("4","8","10","9","3","4","1") = "9"
    & skf18("4","8","10","9","3","5","1") = "9"
    & skf18("4","8","10","9","3","6","1") = "9"
    & skf18("4","8","10","9","3","7","1") = "9"
    & skf18("4","8","10","9","3","8","1") = "9"
    & skf18("4","8","10","9","3","9","1") = "9"
    & skf18("4","8","10","9","3","10","1") = "9"
    & skf18("4","8","10","9","4","1","1") = "9"
    & skf18("4","8","10","9","4","2","1") = "9"
    & skf18("4","8","10","9","4","3","1") = "9"
    & skf18("4","8","10","9","4","4","1") = "9"
    & skf18("4","8","10","9","4","5","1") = "9"
    & skf18("4","8","10","9","4","6","1") = "9"
    & skf18("4","8","10","9","4","7","1") = "9"
    & skf18("4","8","10","9","4","8","1") = "9"
    & skf18("4","8","10","9","4","9","1") = "9"
    & skf18("4","8","10","9","4","10","1") = "9"
    & skf18("4","8","10","9","5","1","1") = "9"
    & skf18("4","8","10","9","5","2","1") = "9"
    & skf18("4","8","10","9","5","3","1") = "9"
    & skf18("4","8","10","9","5","4","1") = "9"
    & skf18("4","8","10","9","5","5","1") = "9"
    & skf18("4","8","10","9","5","6","1") = "9"
    & skf18("4","8","10","9","5","7","1") = "9"
    & skf18("4","8","10","9","5","8","1") = "9"
    & skf18("4","8","10","9","5","9","1") = "9"
    & skf18("4","8","10","9","5","10","1") = "9"
    & skf18("4","8","10","9","6","1","1") = "9"
    & skf18("4","8","10","9","6","2","1") = "9"
    & skf18("4","8","10","9","6","3","1") = "9"
    & skf18("4","8","10","9","6","4","1") = "9"
    & skf18("4","8","10","9","6","5","1") = "9"
    & skf18("4","8","10","9","6","6","1") = "9"
    & skf18("4","8","10","9","6","7","1") = "9"
    & skf18("4","8","10","9","6","8","1") = "9"
    & skf18("4","8","10","9","6","9","1") = "9"
    & skf18("4","8","10","9","6","10","1") = "9"
    & skf18("4","8","10","9","7","1","1") = "9"
    & skf18("4","8","10","9","7","2","1") = "9"
    & skf18("4","8","10","9","7","3","1") = "9"
    & skf18("4","8","10","9","7","4","1") = "9"
    & skf18("4","8","10","9","7","5","1") = "9"
    & skf18("4","8","10","9","7","6","1") = "9"
    & skf18("4","8","10","9","7","7","1") = "9"
    & skf18("4","8","10","9","7","8","1") = "9"
    & skf18("4","8","10","9","7","9","1") = "9"
    & skf18("4","8","10","9","7","10","1") = "9"
    & skf18("4","8","10","9","8","1","1") = "9"
    & skf18("4","8","10","9","8","2","1") = "9"
    & skf18("4","8","10","9","8","3","1") = "9"
    & skf18("4","8","10","9","8","4","1") = "9"
    & skf18("4","8","10","9","8","5","1") = "9"
    & skf18("4","8","10","9","8","6","1") = "9"
    & skf18("4","8","10","9","8","7","1") = "9"
    & skf18("4","8","10","9","8","8","1") = "9"
    & skf18("4","8","10","9","8","9","1") = "9"
    & skf18("4","8","10","9","8","10","1") = "9"
    & skf18("4","8","10","9","9","1","1") = "9"
    & skf18("4","8","10","9","9","2","1") = "9"
    & skf18("4","8","10","9","9","3","1") = "9"
    & skf18("4","8","10","9","9","4","1") = "9"
    & skf18("4","8","10","9","9","5","1") = "9"
    & skf18("4","8","10","9","9","6","1") = "9"
    & skf18("4","8","10","9","9","7","1") = "9"
    & skf18("4","8","10","9","9","8","1") = "9"
    & skf18("4","8","10","9","9","9","1") = "9"
    & skf18("4","8","10","9","9","10","1") = "9"
    & skf18("4","8","10","9","10","1","1") = "9"
    & skf18("4","8","10","9","10","2","1") = "9"
    & skf18("4","8","10","9","10","3","1") = "9"
    & skf18("4","8","10","9","10","4","1") = "9"
    & skf18("4","8","10","9","10","5","1") = "9"
    & skf18("4","8","10","9","10","6","1") = "9"
    & skf18("4","8","10","9","10","7","1") = "9"
    & skf18("4","8","10","9","10","8","1") = "9"
    & skf18("4","8","10","9","10","9","1") = "9"
    & skf18("4","8","10","9","10","10","1") = "9"
    & skf18("4","8","10","10","1","1","1") = "9"
    & skf18("4","8","10","10","1","2","1") = "9"
    & skf18("4","8","10","10","1","3","1") = "9"
    & skf18("4","8","10","10","1","4","1") = "9"
    & skf18("4","8","10","10","1","5","1") = "9"
    & skf18("4","8","10","10","1","6","1") = "9"
    & skf18("4","8","10","10","1","7","1") = "9"
    & skf18("4","8","10","10","1","8","1") = "9"
    & skf18("4","8","10","10","1","9","1") = "9"
    & skf18("4","8","10","10","1","10","1") = "9"
    & skf18("4","8","10","10","2","1","1") = "9"
    & skf18("4","8","10","10","2","2","1") = "9"
    & skf18("4","8","10","10","2","3","1") = "9"
    & skf18("4","8","10","10","2","4","1") = "9"
    & skf18("4","8","10","10","2","5","1") = "9"
    & skf18("4","8","10","10","2","6","1") = "9"
    & skf18("4","8","10","10","2","7","1") = "9"
    & skf18("4","8","10","10","2","8","1") = "9"
    & skf18("4","8","10","10","2","9","1") = "9"
    & skf18("4","8","10","10","2","10","1") = "9"
    & skf18("4","8","10","10","3","1","1") = "9"
    & skf18("4","8","10","10","3","2","1") = "9"
    & skf18("4","8","10","10","3","3","1") = "9"
    & skf18("4","8","10","10","3","4","1") = "9"
    & skf18("4","8","10","10","3","5","1") = "9"
    & skf18("4","8","10","10","3","6","1") = "9"
    & skf18("4","8","10","10","3","7","1") = "9"
    & skf18("4","8","10","10","3","8","1") = "9"
    & skf18("4","8","10","10","3","9","1") = "9"
    & skf18("4","8","10","10","3","10","1") = "9"
    & skf18("4","8","10","10","4","1","1") = "9"
    & skf18("4","8","10","10","4","2","1") = "9"
    & skf18("4","8","10","10","4","3","1") = "9"
    & skf18("4","8","10","10","4","4","1") = "9"
    & skf18("4","8","10","10","4","5","1") = "9"
    & skf18("4","8","10","10","4","6","1") = "9"
    & skf18("4","8","10","10","4","7","1") = "9"
    & skf18("4","8","10","10","4","8","1") = "9"
    & skf18("4","8","10","10","4","9","1") = "9"
    & skf18("4","8","10","10","4","10","1") = "9"
    & skf18("4","8","10","10","5","1","1") = "9"
    & skf18("4","8","10","10","5","2","1") = "9"
    & skf18("4","8","10","10","5","3","1") = "9"
    & skf18("4","8","10","10","5","4","1") = "9"
    & skf18("4","8","10","10","5","5","1") = "9"
    & skf18("4","8","10","10","5","6","1") = "9"
    & skf18("4","8","10","10","5","7","1") = "9"
    & skf18("4","8","10","10","5","8","1") = "9"
    & skf18("4","8","10","10","5","9","1") = "9"
    & skf18("4","8","10","10","5","10","1") = "9"
    & skf18("4","8","10","10","6","1","1") = "9"
    & skf18("4","8","10","10","6","2","1") = "9"
    & skf18("4","8","10","10","6","3","1") = "9"
    & skf18("4","8","10","10","6","4","1") = "9"
    & skf18("4","8","10","10","6","5","1") = "9"
    & skf18("4","8","10","10","6","6","1") = "9"
    & skf18("4","8","10","10","6","7","1") = "9"
    & skf18("4","8","10","10","6","8","1") = "9"
    & skf18("4","8","10","10","6","9","1") = "9"
    & skf18("4","8","10","10","6","10","1") = "9"
    & skf18("4","8","10","10","7","1","1") = "9"
    & skf18("4","8","10","10","7","2","1") = "9"
    & skf18("4","8","10","10","7","3","1") = "9"
    & skf18("4","8","10","10","7","4","1") = "9"
    & skf18("4","8","10","10","7","5","1") = "9"
    & skf18("4","8","10","10","7","6","1") = "9"
    & skf18("4","8","10","10","7","7","1") = "9"
    & skf18("4","8","10","10","7","8","1") = "9"
    & skf18("4","8","10","10","7","9","1") = "9"
    & skf18("4","8","10","10","7","10","1") = "9"
    & skf18("4","8","10","10","8","1","1") = "9"
    & skf18("4","8","10","10","8","2","1") = "9"
    & skf18("4","8","10","10","8","3","1") = "9"
    & skf18("4","8","10","10","8","4","1") = "9"
    & skf18("4","8","10","10","8","5","1") = "9"
    & skf18("4","8","10","10","8","6","1") = "9"
    & skf18("4","8","10","10","8","7","1") = "9"
    & skf18("4","8","10","10","8","8","1") = "9"
    & skf18("4","8","10","10","8","9","1") = "9"
    & skf18("4","8","10","10","8","10","1") = "9"
    & skf18("4","8","10","10","9","1","1") = "9"
    & skf18("4","8","10","10","9","2","1") = "9"
    & skf18("4","8","10","10","9","3","1") = "9"
    & skf18("4","8","10","10","9","4","1") = "9"
    & skf18("4","8","10","10","9","5","1") = "9"
    & skf18("4","8","10","10","9","6","1") = "9"
    & skf18("4","8","10","10","9","7","1") = "9"
    & skf18("4","8","10","10","9","8","1") = "9"
    & skf18("4","8","10","10","9","9","1") = "9"
    & skf18("4","8","10","10","9","10","1") = "9"
    & skf18("4","8","10","10","10","1","1") = "9"
    & skf18("4","8","10","10","10","2","1") = "9"
    & skf18("4","8","10","10","10","3","1") = "9"
    & skf18("4","8","10","10","10","4","1") = "9"
    & skf18("4","8","10","10","10","5","1") = "9"
    & skf18("4","8","10","10","10","6","1") = "9"
    & skf18("4","8","10","10","10","7","1") = "9"
    & skf18("4","8","10","10","10","8","1") = "9"
    & skf18("4","8","10","10","10","9","1") = "9"
    & skf18("4","8","10","10","10","10","1") = "9"
    & skf18("4","9","1","1","1","1","1") = "8"
    & skf18("4","9","1","1","1","2","1") = "8"
    & skf18("4","9","1","1","1","3","1") = "8"
    & skf18("4","9","1","1","1","4","1") = "8"
    & skf18("4","9","1","1","1","5","1") = "8"
    & skf18("4","9","1","1","1","6","1") = "8"
    & skf18("4","9","1","1","1","7","1") = "8"
    & skf18("4","9","1","1","1","8","1") = "8"
    & skf18("4","9","1","1","1","9","1") = "8"
    & skf18("4","9","1","1","1","10","1") = "9"
    & skf18("4","9","1","1","2","1","1") = "8"
    & skf18("4","9","1","1","2","2","1") = "8"
    & skf18("4","9","1","1","2","3","1") = "8"
    & skf18("4","9","1","1","2","4","1") = "8"
    & skf18("4","9","1","1","2","5","1") = "8"
    & skf18("4","9","1","1","2","6","1") = "8"
    & skf18("4","9","1","1","2","7","1") = "8"
    & skf18("4","9","1","1","2","8","1") = "8"
    & skf18("4","9","1","1","2","9","1") = "8"
    & skf18("4","9","1","1","2","10","1") = "9"
    & skf18("4","9","1","1","3","1","1") = "8"
    & skf18("4","9","1","1","3","2","1") = "8"
    & skf18("4","9","1","1","3","3","1") = "8"
    & skf18("4","9","1","1","3","4","1") = "8"
    & skf18("4","9","1","1","3","5","1") = "8"
    & skf18("4","9","1","1","3","6","1") = "8"
    & skf18("4","9","1","1","3","7","1") = "8"
    & skf18("4","9","1","1","3","8","1") = "8"
    & skf18("4","9","1","1","3","9","1") = "8"
    & skf18("4","9","1","1","3","10","1") = "9"
    & skf18("4","9","1","1","4","1","1") = "8"
    & skf18("4","9","1","1","4","2","1") = "8"
    & skf18("4","9","1","1","4","3","1") = "8"
    & skf18("4","9","1","1","4","4","1") = "8"
    & skf18("4","9","1","1","4","5","1") = "8"
    & skf18("4","9","1","1","4","6","1") = "8"
    & skf18("4","9","1","1","4","7","1") = "8"
    & skf18("4","9","1","1","4","8","1") = "8"
    & skf18("4","9","1","1","4","9","1") = "8"
    & skf18("4","9","1","1","4","10","1") = "9"
    & skf18("4","9","1","1","5","1","1") = "8"
    & skf18("4","9","1","1","5","2","1") = "8"
    & skf18("4","9","1","1","5","3","1") = "8"
    & skf18("4","9","1","1","5","4","1") = "8"
    & skf18("4","9","1","1","5","5","1") = "8"
    & skf18("4","9","1","1","5","6","1") = "8"
    & skf18("4","9","1","1","5","7","1") = "8"
    & skf18("4","9","1","1","5","8","1") = "8"
    & skf18("4","9","1","1","5","9","1") = "8"
    & skf18("4","9","1","1","5","10","1") = "9"
    & skf18("4","9","1","1","6","1","1") = "8"
    & skf18("4","9","1","1","6","2","1") = "8"
    & skf18("4","9","1","1","6","3","1") = "8"
    & skf18("4","9","1","1","6","4","1") = "8"
    & skf18("4","9","1","1","6","5","1") = "8"
    & skf18("4","9","1","1","6","6","1") = "8"
    & skf18("4","9","1","1","6","7","1") = "8"
    & skf18("4","9","1","1","6","8","1") = "8"
    & skf18("4","9","1","1","6","9","1") = "8"
    & skf18("4","9","1","1","6","10","1") = "9"
    & skf18("4","9","1","1","7","1","1") = "8"
    & skf18("4","9","1","1","7","2","1") = "8"
    & skf18("4","9","1","1","7","3","1") = "8"
    & skf18("4","9","1","1","7","4","1") = "8"
    & skf18("4","9","1","1","7","5","1") = "8"
    & skf18("4","9","1","1","7","6","1") = "8"
    & skf18("4","9","1","1","7","7","1") = "8"
    & skf18("4","9","1","1","7","8","1") = "8"
    & skf18("4","9","1","1","7","9","1") = "8"
    & skf18("4","9","1","1","7","10","1") = "9"
    & skf18("4","9","1","1","8","1","1") = "8"
    & skf18("4","9","1","1","8","2","1") = "8"
    & skf18("4","9","1","1","8","3","1") = "8"
    & skf18("4","9","1","1","8","4","1") = "8"
    & skf18("4","9","1","1","8","5","1") = "8"
    & skf18("4","9","1","1","8","6","1") = "8"
    & skf18("4","9","1","1","8","7","1") = "8"
    & skf18("4","9","1","1","8","8","1") = "8"
    & skf18("4","9","1","1","8","9","1") = "8"
    & skf18("4","9","1","1","8","10","1") = "9"
    & skf18("4","9","1","1","9","1","1") = "8"
    & skf18("4","9","1","1","9","2","1") = "8"
    & skf18("4","9","1","1","9","3","1") = "8"
    & skf18("4","9","1","1","9","4","1") = "8"
    & skf18("4","9","1","1","9","5","1") = "8"
    & skf18("4","9","1","1","9","6","1") = "8"
    & skf18("4","9","1","1","9","7","1") = "8"
    & skf18("4","9","1","1","9","8","1") = "8"
    & skf18("4","9","1","1","9","9","1") = "8"
    & skf18("4","9","1","1","9","10","1") = "9"
    & skf18("4","9","1","1","10","1","1") = "9"
    & skf18("4","9","1","1","10","2","1") = "9"
    & skf18("4","9","1","1","10","3","1") = "9"
    & skf18("4","9","1","1","10","4","1") = "9"
    & skf18("4","9","1","1","10","5","1") = "9"
    & skf18("4","9","1","1","10","6","1") = "9"
    & skf18("4","9","1","1","10","7","1") = "9"
    & skf18("4","9","1","1","10","8","1") = "9"
    & skf18("4","9","1","1","10","9","1") = "9"
    & skf18("4","9","1","1","10","10","1") = "9"
    & skf18("4","9","1","2","1","1","1") = "8"
    & skf18("4","9","1","2","1","2","1") = "8"
    & skf18("4","9","1","2","1","3","1") = "8"
    & skf18("4","9","1","2","1","4","1") = "8"
    & skf18("4","9","1","2","1","5","1") = "8"
    & skf18("4","9","1","2","1","6","1") = "8"
    & skf18("4","9","1","2","1","7","1") = "8"
    & skf18("4","9","1","2","1","8","1") = "8"
    & skf18("4","9","1","2","1","9","1") = "8"
    & skf18("4","9","1","2","1","10","1") = "9"
    & skf18("4","9","1","2","2","1","1") = "8"
    & skf18("4","9","1","2","2","2","1") = "8"
    & skf18("4","9","1","2","2","3","1") = "8"
    & skf18("4","9","1","2","2","4","1") = "8"
    & skf18("4","9","1","2","2","5","1") = "8"
    & skf18("4","9","1","2","2","6","1") = "8"
    & skf18("4","9","1","2","2","7","1") = "8"
    & skf18("4","9","1","2","2","8","1") = "8"
    & skf18("4","9","1","2","2","9","1") = "8"
    & skf18("4","9","1","2","2","10","1") = "9"
    & skf18("4","9","1","2","3","1","1") = "8"
    & skf18("4","9","1","2","3","2","1") = "8"
    & skf18("4","9","1","2","3","3","1") = "8"
    & skf18("4","9","1","2","3","4","1") = "8"
    & skf18("4","9","1","2","3","5","1") = "8"
    & skf18("4","9","1","2","3","6","1") = "8"
    & skf18("4","9","1","2","3","7","1") = "8"
    & skf18("4","9","1","2","3","8","1") = "8"
    & skf18("4","9","1","2","3","9","1") = "8"
    & skf18("4","9","1","2","3","10","1") = "9"
    & skf18("4","9","1","2","4","1","1") = "8"
    & skf18("4","9","1","2","4","2","1") = "8"
    & skf18("4","9","1","2","4","3","1") = "8"
    & skf18("4","9","1","2","4","4","1") = "8"
    & skf18("4","9","1","2","4","5","1") = "8"
    & skf18("4","9","1","2","4","6","1") = "8"
    & skf18("4","9","1","2","4","7","1") = "8"
    & skf18("4","9","1","2","4","8","1") = "8"
    & skf18("4","9","1","2","4","9","1") = "8"
    & skf18("4","9","1","2","4","10","1") = "9"
    & skf18("4","9","1","2","5","1","1") = "8"
    & skf18("4","9","1","2","5","2","1") = "8"
    & skf18("4","9","1","2","5","3","1") = "8"
    & skf18("4","9","1","2","5","4","1") = "8"
    & skf18("4","9","1","2","5","5","1") = "8"
    & skf18("4","9","1","2","5","6","1") = "8"
    & skf18("4","9","1","2","5","7","1") = "8"
    & skf18("4","9","1","2","5","8","1") = "8"
    & skf18("4","9","1","2","5","9","1") = "8"
    & skf18("4","9","1","2","5","10","1") = "9"
    & skf18("4","9","1","2","6","1","1") = "8"
    & skf18("4","9","1","2","6","2","1") = "8"
    & skf18("4","9","1","2","6","3","1") = "8"
    & skf18("4","9","1","2","6","4","1") = "8"
    & skf18("4","9","1","2","6","5","1") = "8"
    & skf18("4","9","1","2","6","6","1") = "8"
    & skf18("4","9","1","2","6","7","1") = "8"
    & skf18("4","9","1","2","6","8","1") = "8"
    & skf18("4","9","1","2","6","9","1") = "8"
    & skf18("4","9","1","2","6","10","1") = "9"
    & skf18("4","9","1","2","7","1","1") = "8"
    & skf18("4","9","1","2","7","2","1") = "8"
    & skf18("4","9","1","2","7","3","1") = "8"
    & skf18("4","9","1","2","7","4","1") = "8"
    & skf18("4","9","1","2","7","5","1") = "8"
    & skf18("4","9","1","2","7","6","1") = "8"
    & skf18("4","9","1","2","7","7","1") = "8"
    & skf18("4","9","1","2","7","8","1") = "8"
    & skf18("4","9","1","2","7","9","1") = "8"
    & skf18("4","9","1","2","7","10","1") = "9"
    & skf18("4","9","1","2","8","1","1") = "8"
    & skf18("4","9","1","2","8","2","1") = "8"
    & skf18("4","9","1","2","8","3","1") = "8"
    & skf18("4","9","1","2","8","4","1") = "8"
    & skf18("4","9","1","2","8","5","1") = "8"
    & skf18("4","9","1","2","8","6","1") = "8"
    & skf18("4","9","1","2","8","7","1") = "8"
    & skf18("4","9","1","2","8","8","1") = "8"
    & skf18("4","9","1","2","8","9","1") = "8"
    & skf18("4","9","1","2","8","10","1") = "9"
    & skf18("4","9","1","2","9","1","1") = "8"
    & skf18("4","9","1","2","9","2","1") = "8"
    & skf18("4","9","1","2","9","3","1") = "8"
    & skf18("4","9","1","2","9","4","1") = "8"
    & skf18("4","9","1","2","9","5","1") = "8"
    & skf18("4","9","1","2","9","6","1") = "8"
    & skf18("4","9","1","2","9","7","1") = "8"
    & skf18("4","9","1","2","9","8","1") = "8"
    & skf18("4","9","1","2","9","9","1") = "8"
    & skf18("4","9","1","2","9","10","1") = "9"
    & skf18("4","9","1","2","10","1","1") = "9"
    & skf18("4","9","1","2","10","2","1") = "9"
    & skf18("4","9","1","2","10","3","1") = "9"
    & skf18("4","9","1","2","10","4","1") = "9"
    & skf18("4","9","1","2","10","5","1") = "9"
    & skf18("4","9","1","2","10","6","1") = "9"
    & skf18("4","9","1","2","10","7","1") = "9"
    & skf18("4","9","1","2","10","8","1") = "9"
    & skf18("4","9","1","2","10","9","1") = "9"
    & skf18("4","9","1","2","10","10","1") = "9"
    & skf18("4","9","1","3","1","1","1") = "8"
    & skf18("4","9","1","3","1","2","1") = "8"
    & skf18("4","9","1","3","1","3","1") = "8"
    & skf18("4","9","1","3","1","4","1") = "8"
    & skf18("4","9","1","3","1","5","1") = "8"
    & skf18("4","9","1","3","1","6","1") = "8"
    & skf18("4","9","1","3","1","7","1") = "8"
    & skf18("4","9","1","3","1","8","1") = "8"
    & skf18("4","9","1","3","1","9","1") = "8"
    & skf18("4","9","1","3","1","10","1") = "9"
    & skf18("4","9","1","3","2","1","1") = "8"
    & skf18("4","9","1","3","2","2","1") = "8"
    & skf18("4","9","1","3","2","3","1") = "8"
    & skf18("4","9","1","3","2","4","1") = "8"
    & skf18("4","9","1","3","2","5","1") = "8"
    & skf18("4","9","1","3","2","6","1") = "8"
    & skf18("4","9","1","3","2","7","1") = "8"
    & skf18("4","9","1","3","2","8","1") = "8"
    & skf18("4","9","1","3","2","9","1") = "8"
    & skf18("4","9","1","3","2","10","1") = "9"
    & skf18("4","9","1","3","3","1","1") = "8"
    & skf18("4","9","1","3","3","2","1") = "8"
    & skf18("4","9","1","3","3","3","1") = "8"
    & skf18("4","9","1","3","3","4","1") = "8"
    & skf18("4","9","1","3","3","5","1") = "8"
    & skf18("4","9","1","3","3","6","1") = "8"
    & skf18("4","9","1","3","3","7","1") = "8"
    & skf18("4","9","1","3","3","8","1") = "8"
    & skf18("4","9","1","3","3","9","1") = "8"
    & skf18("4","9","1","3","3","10","1") = "9"
    & skf18("4","9","1","3","4","1","1") = "8"
    & skf18("4","9","1","3","4","2","1") = "8"
    & skf18("4","9","1","3","4","3","1") = "8"
    & skf18("4","9","1","3","4","4","1") = "8"
    & skf18("4","9","1","3","4","5","1") = "8"
    & skf18("4","9","1","3","4","6","1") = "8"
    & skf18("4","9","1","3","4","7","1") = "8"
    & skf18("4","9","1","3","4","8","1") = "8"
    & skf18("4","9","1","3","4","9","1") = "8"
    & skf18("4","9","1","3","4","10","1") = "9"
    & skf18("4","9","1","3","5","1","1") = "8"
    & skf18("4","9","1","3","5","2","1") = "8"
    & skf18("4","9","1","3","5","3","1") = "8"
    & skf18("4","9","1","3","5","4","1") = "8"
    & skf18("4","9","1","3","5","5","1") = "8"
    & skf18("4","9","1","3","5","6","1") = "8"
    & skf18("4","9","1","3","5","7","1") = "8"
    & skf18("4","9","1","3","5","8","1") = "8"
    & skf18("4","9","1","3","5","9","1") = "8"
    & skf18("4","9","1","3","5","10","1") = "9"
    & skf18("4","9","1","3","6","1","1") = "8"
    & skf18("4","9","1","3","6","2","1") = "8"
    & skf18("4","9","1","3","6","3","1") = "8"
    & skf18("4","9","1","3","6","4","1") = "8"
    & skf18("4","9","1","3","6","5","1") = "8"
    & skf18("4","9","1","3","6","6","1") = "8"
    & skf18("4","9","1","3","6","7","1") = "8"
    & skf18("4","9","1","3","6","8","1") = "8"
    & skf18("4","9","1","3","6","9","1") = "8"
    & skf18("4","9","1","3","6","10","1") = "9"
    & skf18("4","9","1","3","7","1","1") = "8"
    & skf18("4","9","1","3","7","2","1") = "8"
    & skf18("4","9","1","3","7","3","1") = "8"
    & skf18("4","9","1","3","7","4","1") = "8"
    & skf18("4","9","1","3","7","5","1") = "8"
    & skf18("4","9","1","3","7","6","1") = "8"
    & skf18("4","9","1","3","7","7","1") = "8"
    & skf18("4","9","1","3","7","8","1") = "8"
    & skf18("4","9","1","3","7","9","1") = "8"
    & skf18("4","9","1","3","7","10","1") = "9"
    & skf18("4","9","1","3","8","1","1") = "8"
    & skf18("4","9","1","3","8","2","1") = "8"
    & skf18("4","9","1","3","8","3","1") = "8"
    & skf18("4","9","1","3","8","4","1") = "8"
    & skf18("4","9","1","3","8","5","1") = "8"
    & skf18("4","9","1","3","8","6","1") = "8"
    & skf18("4","9","1","3","8","7","1") = "8"
    & skf18("4","9","1","3","8","8","1") = "8"
    & skf18("4","9","1","3","8","9","1") = "8"
    & skf18("4","9","1","3","8","10","1") = "9"
    & skf18("4","9","1","3","9","1","1") = "8"
    & skf18("4","9","1","3","9","2","1") = "8"
    & skf18("4","9","1","3","9","3","1") = "8"
    & skf18("4","9","1","3","9","4","1") = "8"
    & skf18("4","9","1","3","9","5","1") = "8"
    & skf18("4","9","1","3","9","6","1") = "8"
    & skf18("4","9","1","3","9","7","1") = "8"
    & skf18("4","9","1","3","9","8","1") = "8"
    & skf18("4","9","1","3","9","9","1") = "8"
    & skf18("4","9","1","3","9","10","1") = "9"
    & skf18("4","9","1","3","10","1","1") = "9"
    & skf18("4","9","1","3","10","2","1") = "9"
    & skf18("4","9","1","3","10","3","1") = "9"
    & skf18("4","9","1","3","10","4","1") = "9"
    & skf18("4","9","1","3","10","5","1") = "9"
    & skf18("4","9","1","3","10","6","1") = "9"
    & skf18("4","9","1","3","10","7","1") = "9"
    & skf18("4","9","1","3","10","8","1") = "9"
    & skf18("4","9","1","3","10","9","1") = "9"
    & skf18("4","9","1","3","10","10","1") = "9"
    & skf18("4","9","1","4","1","1","1") = "8"
    & skf18("4","9","1","4","1","2","1") = "8"
    & skf18("4","9","1","4","1","3","1") = "8"
    & skf18("4","9","1","4","1","4","1") = "8"
    & skf18("4","9","1","4","1","5","1") = "8"
    & skf18("4","9","1","4","1","6","1") = "8"
    & skf18("4","9","1","4","1","7","1") = "8"
    & skf18("4","9","1","4","1","8","1") = "8"
    & skf18("4","9","1","4","1","9","1") = "8"
    & skf18("4","9","1","4","1","10","1") = "9"
    & skf18("4","9","1","4","2","1","1") = "8"
    & skf18("4","9","1","4","2","2","1") = "8"
    & skf18("4","9","1","4","2","3","1") = "8"
    & skf18("4","9","1","4","2","4","1") = "8"
    & skf18("4","9","1","4","2","5","1") = "8"
    & skf18("4","9","1","4","2","6","1") = "8"
    & skf18("4","9","1","4","2","7","1") = "8"
    & skf18("4","9","1","4","2","8","1") = "8"
    & skf18("4","9","1","4","2","9","1") = "8"
    & skf18("4","9","1","4","2","10","1") = "9"
    & skf18("4","9","1","4","3","1","1") = "8"
    & skf18("4","9","1","4","3","2","1") = "8"
    & skf18("4","9","1","4","3","3","1") = "8"
    & skf18("4","9","1","4","3","4","1") = "8"
    & skf18("4","9","1","4","3","5","1") = "8"
    & skf18("4","9","1","4","3","6","1") = "8"
    & skf18("4","9","1","4","3","7","1") = "8"
    & skf18("4","9","1","4","3","8","1") = "8"
    & skf18("4","9","1","4","3","9","1") = "8"
    & skf18("4","9","1","4","3","10","1") = "9"
    & skf18("4","9","1","4","4","1","1") = "8"
    & skf18("4","9","1","4","4","2","1") = "8"
    & skf18("4","9","1","4","4","3","1") = "8"
    & skf18("4","9","1","4","4","4","1") = "8"
    & skf18("4","9","1","4","4","5","1") = "8"
    & skf18("4","9","1","4","4","6","1") = "8"
    & skf18("4","9","1","4","4","7","1") = "8"
    & skf18("4","9","1","4","4","8","1") = "8"
    & skf18("4","9","1","4","4","9","1") = "8"
    & skf18("4","9","1","4","4","10","1") = "9"
    & skf18("4","9","1","4","5","1","1") = "8"
    & skf18("4","9","1","4","5","2","1") = "8"
    & skf18("4","9","1","4","5","3","1") = "8"
    & skf18("4","9","1","4","5","4","1") = "8"
    & skf18("4","9","1","4","5","5","1") = "8"
    & skf18("4","9","1","4","5","6","1") = "8"
    & skf18("4","9","1","4","5","7","1") = "8"
    & skf18("4","9","1","4","5","8","1") = "8"
    & skf18("4","9","1","4","5","9","1") = "8"
    & skf18("4","9","1","4","5","10","1") = "9"
    & skf18("4","9","1","4","6","1","1") = "8"
    & skf18("4","9","1","4","6","2","1") = "8"
    & skf18("4","9","1","4","6","3","1") = "8"
    & skf18("4","9","1","4","6","4","1") = "8"
    & skf18("4","9","1","4","6","5","1") = "8"
    & skf18("4","9","1","4","6","6","1") = "8"
    & skf18("4","9","1","4","6","7","1") = "8"
    & skf18("4","9","1","4","6","8","1") = "8"
    & skf18("4","9","1","4","6","9","1") = "8"
    & skf18("4","9","1","4","6","10","1") = "9"
    & skf18("4","9","1","4","7","1","1") = "8"
    & skf18("4","9","1","4","7","2","1") = "8"
    & skf18("4","9","1","4","7","3","1") = "8"
    & skf18("4","9","1","4","7","4","1") = "8"
    & skf18("4","9","1","4","7","5","1") = "8"
    & skf18("4","9","1","4","7","6","1") = "8"
    & skf18("4","9","1","4","7","7","1") = "8"
    & skf18("4","9","1","4","7","8","1") = "8"
    & skf18("4","9","1","4","7","9","1") = "8"
    & skf18("4","9","1","4","7","10","1") = "9"
    & skf18("4","9","1","4","8","1","1") = "8"
    & skf18("4","9","1","4","8","2","1") = "8"
    & skf18("4","9","1","4","8","3","1") = "8"
    & skf18("4","9","1","4","8","4","1") = "8"
    & skf18("4","9","1","4","8","5","1") = "8"
    & skf18("4","9","1","4","8","6","1") = "8"
    & skf18("4","9","1","4","8","7","1") = "8"
    & skf18("4","9","1","4","8","8","1") = "8"
    & skf18("4","9","1","4","8","9","1") = "8"
    & skf18("4","9","1","4","8","10","1") = "9"
    & skf18("4","9","1","4","9","1","1") = "8"
    & skf18("4","9","1","4","9","2","1") = "8"
    & skf18("4","9","1","4","9","3","1") = "8"
    & skf18("4","9","1","4","9","4","1") = "8"
    & skf18("4","9","1","4","9","5","1") = "8"
    & skf18("4","9","1","4","9","6","1") = "8"
    & skf18("4","9","1","4","9","7","1") = "8"
    & skf18("4","9","1","4","9","8","1") = "8"
    & skf18("4","9","1","4","9","9","1") = "8"
    & skf18("4","9","1","4","9","10","1") = "9"
    & skf18("4","9","1","4","10","1","1") = "9"
    & skf18("4","9","1","4","10","2","1") = "9"
    & skf18("4","9","1","4","10","3","1") = "9"
    & skf18("4","9","1","4","10","4","1") = "9"
    & skf18("4","9","1","4","10","5","1") = "9"
    & skf18("4","9","1","4","10","6","1") = "9"
    & skf18("4","9","1","4","10","7","1") = "9"
    & skf18("4","9","1","4","10","8","1") = "9"
    & skf18("4","9","1","4","10","9","1") = "9"
    & skf18("4","9","1","4","10","10","1") = "9"
    & skf18("4","9","1","5","1","1","1") = "8"
    & skf18("4","9","1","5","1","2","1") = "8"
    & skf18("4","9","1","5","1","3","1") = "8"
    & skf18("4","9","1","5","1","4","1") = "8"
    & skf18("4","9","1","5","1","5","1") = "8"
    & skf18("4","9","1","5","1","6","1") = "8"
    & skf18("4","9","1","5","1","7","1") = "8"
    & skf18("4","9","1","5","1","8","1") = "8"
    & skf18("4","9","1","5","1","9","1") = "8"
    & skf18("4","9","1","5","1","10","1") = "9"
    & skf18("4","9","1","5","2","1","1") = "8"
    & skf18("4","9","1","5","2","2","1") = "8"
    & skf18("4","9","1","5","2","3","1") = "8"
    & skf18("4","9","1","5","2","4","1") = "8"
    & skf18("4","9","1","5","2","5","1") = "8"
    & skf18("4","9","1","5","2","6","1") = "8"
    & skf18("4","9","1","5","2","7","1") = "8"
    & skf18("4","9","1","5","2","8","1") = "8"
    & skf18("4","9","1","5","2","9","1") = "8"
    & skf18("4","9","1","5","2","10","1") = "9"
    & skf18("4","9","1","5","3","1","1") = "8"
    & skf18("4","9","1","5","3","2","1") = "8"
    & skf18("4","9","1","5","3","3","1") = "8"
    & skf18("4","9","1","5","3","4","1") = "8"
    & skf18("4","9","1","5","3","5","1") = "8"
    & skf18("4","9","1","5","3","6","1") = "8"
    & skf18("4","9","1","5","3","7","1") = "8"
    & skf18("4","9","1","5","3","8","1") = "8"
    & skf18("4","9","1","5","3","9","1") = "8"
    & skf18("4","9","1","5","3","10","1") = "9"
    & skf18("4","9","1","5","4","1","1") = "8"
    & skf18("4","9","1","5","4","2","1") = "8"
    & skf18("4","9","1","5","4","3","1") = "8"
    & skf18("4","9","1","5","4","4","1") = "8"
    & skf18("4","9","1","5","4","5","1") = "8"
    & skf18("4","9","1","5","4","6","1") = "8"
    & skf18("4","9","1","5","4","7","1") = "8"
    & skf18("4","9","1","5","4","8","1") = "8"
    & skf18("4","9","1","5","4","9","1") = "8"
    & skf18("4","9","1","5","4","10","1") = "9"
    & skf18("4","9","1","5","5","1","1") = "8"
    & skf18("4","9","1","5","5","2","1") = "8"
    & skf18("4","9","1","5","5","3","1") = "8"
    & skf18("4","9","1","5","5","4","1") = "8"
    & skf18("4","9","1","5","5","5","1") = "8"
    & skf18("4","9","1","5","5","6","1") = "8"
    & skf18("4","9","1","5","5","7","1") = "8"
    & skf18("4","9","1","5","5","8","1") = "8"
    & skf18("4","9","1","5","5","9","1") = "8"
    & skf18("4","9","1","5","5","10","1") = "9"
    & skf18("4","9","1","5","6","1","1") = "8"
    & skf18("4","9","1","5","6","2","1") = "8"
    & skf18("4","9","1","5","6","3","1") = "8"
    & skf18("4","9","1","5","6","4","1") = "8"
    & skf18("4","9","1","5","6","5","1") = "8"
    & skf18("4","9","1","5","6","6","1") = "8"
    & skf18("4","9","1","5","6","7","1") = "8"
    & skf18("4","9","1","5","6","8","1") = "8"
    & skf18("4","9","1","5","6","9","1") = "8"
    & skf18("4","9","1","5","6","10","1") = "9"
    & skf18("4","9","1","5","7","1","1") = "8"
    & skf18("4","9","1","5","7","2","1") = "8"
    & skf18("4","9","1","5","7","3","1") = "8"
    & skf18("4","9","1","5","7","4","1") = "8"
    & skf18("4","9","1","5","7","5","1") = "8"
    & skf18("4","9","1","5","7","6","1") = "8"
    & skf18("4","9","1","5","7","7","1") = "8"
    & skf18("4","9","1","5","7","8","1") = "8"
    & skf18("4","9","1","5","7","9","1") = "8"
    & skf18("4","9","1","5","7","10","1") = "9"
    & skf18("4","9","1","5","8","1","1") = "8"
    & skf18("4","9","1","5","8","2","1") = "8"
    & skf18("4","9","1","5","8","3","1") = "8"
    & skf18("4","9","1","5","8","4","1") = "8"
    & skf18("4","9","1","5","8","5","1") = "8"
    & skf18("4","9","1","5","8","6","1") = "8"
    & skf18("4","9","1","5","8","7","1") = "8"
    & skf18("4","9","1","5","8","8","1") = "8"
    & skf18("4","9","1","5","8","9","1") = "8"
    & skf18("4","9","1","5","8","10","1") = "9"
    & skf18("4","9","1","5","9","1","1") = "8"
    & skf18("4","9","1","5","9","2","1") = "8"
    & skf18("4","9","1","5","9","3","1") = "8"
    & skf18("4","9","1","5","9","4","1") = "8"
    & skf18("4","9","1","5","9","5","1") = "8"
    & skf18("4","9","1","5","9","6","1") = "8"
    & skf18("4","9","1","5","9","7","1") = "8"
    & skf18("4","9","1","5","9","8","1") = "8"
    & skf18("4","9","1","5","9","9","1") = "8"
    & skf18("4","9","1","5","9","10","1") = "9"
    & skf18("4","9","1","5","10","1","1") = "9"
    & skf18("4","9","1","5","10","2","1") = "9"
    & skf18("4","9","1","5","10","3","1") = "9"
    & skf18("4","9","1","5","10","4","1") = "9"
    & skf18("4","9","1","5","10","5","1") = "9"
    & skf18("4","9","1","5","10","6","1") = "9"
    & skf18("4","9","1","5","10","7","1") = "9"
    & skf18("4","9","1","5","10","8","1") = "9"
    & skf18("4","9","1","5","10","9","1") = "9"
    & skf18("4","9","1","5","10","10","1") = "9"
    & skf18("4","9","1","6","1","1","1") = "8"
    & skf18("4","9","1","6","1","2","1") = "8"
    & skf18("4","9","1","6","1","3","1") = "8"
    & skf18("4","9","1","6","1","4","1") = "8"
    & skf18("4","9","1","6","1","5","1") = "8"
    & skf18("4","9","1","6","1","6","1") = "8"
    & skf18("4","9","1","6","1","7","1") = "8"
    & skf18("4","9","1","6","1","8","1") = "8"
    & skf18("4","9","1","6","1","9","1") = "8"
    & skf18("4","9","1","6","1","10","1") = "9"
    & skf18("4","9","1","6","2","1","1") = "8"
    & skf18("4","9","1","6","2","2","1") = "8"
    & skf18("4","9","1","6","2","3","1") = "8"
    & skf18("4","9","1","6","2","4","1") = "8"
    & skf18("4","9","1","6","2","5","1") = "8"
    & skf18("4","9","1","6","2","6","1") = "8"
    & skf18("4","9","1","6","2","7","1") = "8"
    & skf18("4","9","1","6","2","8","1") = "8"
    & skf18("4","9","1","6","2","9","1") = "8"
    & skf18("4","9","1","6","2","10","1") = "9"
    & skf18("4","9","1","6","3","1","1") = "8"
    & skf18("4","9","1","6","3","2","1") = "8"
    & skf18("4","9","1","6","3","3","1") = "8"
    & skf18("4","9","1","6","3","4","1") = "8"
    & skf18("4","9","1","6","3","5","1") = "8"
    & skf18("4","9","1","6","3","6","1") = "8"
    & skf18("4","9","1","6","3","7","1") = "8"
    & skf18("4","9","1","6","3","8","1") = "8"
    & skf18("4","9","1","6","3","9","1") = "8"
    & skf18("4","9","1","6","3","10","1") = "9"
    & skf18("4","9","1","6","4","1","1") = "8"
    & skf18("4","9","1","6","4","2","1") = "8"
    & skf18("4","9","1","6","4","3","1") = "8"
    & skf18("4","9","1","6","4","4","1") = "8"
    & skf18("4","9","1","6","4","5","1") = "8"
    & skf18("4","9","1","6","4","6","1") = "8"
    & skf18("4","9","1","6","4","7","1") = "8"
    & skf18("4","9","1","6","4","8","1") = "8"
    & skf18("4","9","1","6","4","9","1") = "8"
    & skf18("4","9","1","6","4","10","1") = "9"
    & skf18("4","9","1","6","5","1","1") = "8"
    & skf18("4","9","1","6","5","2","1") = "8"
    & skf18("4","9","1","6","5","3","1") = "8"
    & skf18("4","9","1","6","5","4","1") = "8"
    & skf18("4","9","1","6","5","5","1") = "8"
    & skf18("4","9","1","6","5","6","1") = "8"
    & skf18("4","9","1","6","5","7","1") = "8"
    & skf18("4","9","1","6","5","8","1") = "8"
    & skf18("4","9","1","6","5","9","1") = "8"
    & skf18("4","9","1","6","5","10","1") = "9"
    & skf18("4","9","1","6","6","1","1") = "8"
    & skf18("4","9","1","6","6","2","1") = "8"
    & skf18("4","9","1","6","6","3","1") = "8"
    & skf18("4","9","1","6","6","4","1") = "8"
    & skf18("4","9","1","6","6","5","1") = "8"
    & skf18("4","9","1","6","6","6","1") = "8"
    & skf18("4","9","1","6","6","7","1") = "8"
    & skf18("4","9","1","6","6","8","1") = "8"
    & skf18("4","9","1","6","6","9","1") = "8"
    & skf18("4","9","1","6","6","10","1") = "9"
    & skf18("4","9","1","6","7","1","1") = "8"
    & skf18("4","9","1","6","7","2","1") = "8"
    & skf18("4","9","1","6","7","3","1") = "8"
    & skf18("4","9","1","6","7","4","1") = "8"
    & skf18("4","9","1","6","7","5","1") = "8"
    & skf18("4","9","1","6","7","6","1") = "8"
    & skf18("4","9","1","6","7","7","1") = "8"
    & skf18("4","9","1","6","7","8","1") = "8"
    & skf18("4","9","1","6","7","9","1") = "8"
    & skf18("4","9","1","6","7","10","1") = "9"
    & skf18("4","9","1","6","8","1","1") = "8"
    & skf18("4","9","1","6","8","2","1") = "8"
    & skf18("4","9","1","6","8","3","1") = "8"
    & skf18("4","9","1","6","8","4","1") = "8"
    & skf18("4","9","1","6","8","5","1") = "8"
    & skf18("4","9","1","6","8","6","1") = "8"
    & skf18("4","9","1","6","8","7","1") = "8"
    & skf18("4","9","1","6","8","8","1") = "8"
    & skf18("4","9","1","6","8","9","1") = "8"
    & skf18("4","9","1","6","8","10","1") = "9"
    & skf18("4","9","1","6","9","1","1") = "8"
    & skf18("4","9","1","6","9","2","1") = "8"
    & skf18("4","9","1","6","9","3","1") = "8"
    & skf18("4","9","1","6","9","4","1") = "8"
    & skf18("4","9","1","6","9","5","1") = "8"
    & skf18("4","9","1","6","9","6","1") = "8"
    & skf18("4","9","1","6","9","7","1") = "8"
    & skf18("4","9","1","6","9","8","1") = "8"
    & skf18("4","9","1","6","9","9","1") = "8"
    & skf18("4","9","1","6","9","10","1") = "9"
    & skf18("4","9","1","6","10","1","1") = "9"
    & skf18("4","9","1","6","10","2","1") = "9"
    & skf18("4","9","1","6","10","3","1") = "9"
    & skf18("4","9","1","6","10","4","1") = "9"
    & skf18("4","9","1","6","10","5","1") = "9"
    & skf18("4","9","1","6","10","6","1") = "9"
    & skf18("4","9","1","6","10","7","1") = "9"
    & skf18("4","9","1","6","10","8","1") = "9"
    & skf18("4","9","1","6","10","9","1") = "9"
    & skf18("4","9","1","6","10","10","1") = "9"
    & skf18("4","9","1","7","1","1","1") = "8"
    & skf18("4","9","1","7","1","2","1") = "8"
    & skf18("4","9","1","7","1","3","1") = "8"
    & skf18("4","9","1","7","1","4","1") = "8"
    & skf18("4","9","1","7","1","5","1") = "8"
    & skf18("4","9","1","7","1","6","1") = "8"
    & skf18("4","9","1","7","1","7","1") = "8"
    & skf18("4","9","1","7","1","8","1") = "8"
    & skf18("4","9","1","7","1","9","1") = "8"
    & skf18("4","9","1","7","1","10","1") = "9"
    & skf18("4","9","1","7","2","1","1") = "8"
    & skf18("4","9","1","7","2","2","1") = "8"
    & skf18("4","9","1","7","2","3","1") = "8"
    & skf18("4","9","1","7","2","4","1") = "8"
    & skf18("4","9","1","7","2","5","1") = "8"
    & skf18("4","9","1","7","2","6","1") = "8"
    & skf18("4","9","1","7","2","7","1") = "8"
    & skf18("4","9","1","7","2","8","1") = "8"
    & skf18("4","9","1","7","2","9","1") = "8"
    & skf18("4","9","1","7","2","10","1") = "9"
    & skf18("4","9","1","7","3","1","1") = "8"
    & skf18("4","9","1","7","3","2","1") = "8"
    & skf18("4","9","1","7","3","3","1") = "8"
    & skf18("4","9","1","7","3","4","1") = "8"
    & skf18("4","9","1","7","3","5","1") = "8"
    & skf18("4","9","1","7","3","6","1") = "8"
    & skf18("4","9","1","7","3","7","1") = "8"
    & skf18("4","9","1","7","3","8","1") = "8"
    & skf18("4","9","1","7","3","9","1") = "8"
    & skf18("4","9","1","7","3","10","1") = "9"
    & skf18("4","9","1","7","4","1","1") = "8"
    & skf18("4","9","1","7","4","2","1") = "8"
    & skf18("4","9","1","7","4","3","1") = "8"
    & skf18("4","9","1","7","4","4","1") = "8"
    & skf18("4","9","1","7","4","5","1") = "8"
    & skf18("4","9","1","7","4","6","1") = "8"
    & skf18("4","9","1","7","4","7","1") = "8"
    & skf18("4","9","1","7","4","8","1") = "8"
    & skf18("4","9","1","7","4","9","1") = "8"
    & skf18("4","9","1","7","4","10","1") = "9"
    & skf18("4","9","1","7","5","1","1") = "8"
    & skf18("4","9","1","7","5","2","1") = "8"
    & skf18("4","9","1","7","5","3","1") = "8"
    & skf18("4","9","1","7","5","4","1") = "8"
    & skf18("4","9","1","7","5","5","1") = "8"
    & skf18("4","9","1","7","5","6","1") = "8"
    & skf18("4","9","1","7","5","7","1") = "8"
    & skf18("4","9","1","7","5","8","1") = "8"
    & skf18("4","9","1","7","5","9","1") = "8"
    & skf18("4","9","1","7","5","10","1") = "9"
    & skf18("4","9","1","7","6","1","1") = "8"
    & skf18("4","9","1","7","6","2","1") = "8"
    & skf18("4","9","1","7","6","3","1") = "8"
    & skf18("4","9","1","7","6","4","1") = "8"
    & skf18("4","9","1","7","6","5","1") = "8"
    & skf18("4","9","1","7","6","6","1") = "8"
    & skf18("4","9","1","7","6","7","1") = "8"
    & skf18("4","9","1","7","6","8","1") = "8"
    & skf18("4","9","1","7","6","9","1") = "8"
    & skf18("4","9","1","7","6","10","1") = "9"
    & skf18("4","9","1","7","7","1","1") = "8"
    & skf18("4","9","1","7","7","2","1") = "8"
    & skf18("4","9","1","7","7","3","1") = "8"
    & skf18("4","9","1","7","7","4","1") = "8"
    & skf18("4","9","1","7","7","5","1") = "8"
    & skf18("4","9","1","7","7","6","1") = "8"
    & skf18("4","9","1","7","7","7","1") = "8"
    & skf18("4","9","1","7","7","8","1") = "8"
    & skf18("4","9","1","7","7","9","1") = "8"
    & skf18("4","9","1","7","7","10","1") = "9"
    & skf18("4","9","1","7","8","1","1") = "8"
    & skf18("4","9","1","7","8","2","1") = "8"
    & skf18("4","9","1","7","8","3","1") = "8"
    & skf18("4","9","1","7","8","4","1") = "8"
    & skf18("4","9","1","7","8","5","1") = "8"
    & skf18("4","9","1","7","8","6","1") = "8"
    & skf18("4","9","1","7","8","7","1") = "8"
    & skf18("4","9","1","7","8","8","1") = "8"
    & skf18("4","9","1","7","8","9","1") = "8"
    & skf18("4","9","1","7","8","10","1") = "9"
    & skf18("4","9","1","7","9","1","1") = "8"
    & skf18("4","9","1","7","9","2","1") = "8"
    & skf18("4","9","1","7","9","3","1") = "8"
    & skf18("4","9","1","7","9","4","1") = "8"
    & skf18("4","9","1","7","9","5","1") = "8"
    & skf18("4","9","1","7","9","6","1") = "8"
    & skf18("4","9","1","7","9","7","1") = "8"
    & skf18("4","9","1","7","9","8","1") = "8"
    & skf18("4","9","1","7","9","9","1") = "8"
    & skf18("4","9","1","7","9","10","1") = "9"
    & skf18("4","9","1","7","10","1","1") = "9"
    & skf18("4","9","1","7","10","2","1") = "9"
    & skf18("4","9","1","7","10","3","1") = "9"
    & skf18("4","9","1","7","10","4","1") = "9"
    & skf18("4","9","1","7","10","5","1") = "9"
    & skf18("4","9","1","7","10","6","1") = "9"
    & skf18("4","9","1","7","10","7","1") = "9"
    & skf18("4","9","1","7","10","8","1") = "9"
    & skf18("4","9","1","7","10","9","1") = "9"
    & skf18("4","9","1","7","10","10","1") = "9"
    & skf18("4","9","1","8","1","1","1") = "8"
    & skf18("4","9","1","8","1","2","1") = "8"
    & skf18("4","9","1","8","1","3","1") = "8"
    & skf18("4","9","1","8","1","4","1") = "8"
    & skf18("4","9","1","8","1","5","1") = "8"
    & skf18("4","9","1","8","1","6","1") = "8"
    & skf18("4","9","1","8","1","7","1") = "8"
    & skf18("4","9","1","8","1","8","1") = "8"
    & skf18("4","9","1","8","1","9","1") = "8"
    & skf18("4","9","1","8","1","10","1") = "9"
    & skf18("4","9","1","8","2","1","1") = "8"
    & skf18("4","9","1","8","2","2","1") = "8"
    & skf18("4","9","1","8","2","3","1") = "8"
    & skf18("4","9","1","8","2","4","1") = "8"
    & skf18("4","9","1","8","2","5","1") = "8"
    & skf18("4","9","1","8","2","6","1") = "8"
    & skf18("4","9","1","8","2","7","1") = "8"
    & skf18("4","9","1","8","2","8","1") = "8"
    & skf18("4","9","1","8","2","9","1") = "8"
    & skf18("4","9","1","8","2","10","1") = "9"
    & skf18("4","9","1","8","3","1","1") = "8"
    & skf18("4","9","1","8","3","2","1") = "8"
    & skf18("4","9","1","8","3","3","1") = "8"
    & skf18("4","9","1","8","3","4","1") = "8"
    & skf18("4","9","1","8","3","5","1") = "8"
    & skf18("4","9","1","8","3","6","1") = "8"
    & skf18("4","9","1","8","3","7","1") = "8"
    & skf18("4","9","1","8","3","8","1") = "8"
    & skf18("4","9","1","8","3","9","1") = "8"
    & skf18("4","9","1","8","3","10","1") = "9"
    & skf18("4","9","1","8","4","1","1") = "8"
    & skf18("4","9","1","8","4","2","1") = "8"
    & skf18("4","9","1","8","4","3","1") = "8"
    & skf18("4","9","1","8","4","4","1") = "8"
    & skf18("4","9","1","8","4","5","1") = "8"
    & skf18("4","9","1","8","4","6","1") = "8"
    & skf18("4","9","1","8","4","7","1") = "8"
    & skf18("4","9","1","8","4","8","1") = "8"
    & skf18("4","9","1","8","4","9","1") = "8"
    & skf18("4","9","1","8","4","10","1") = "9"
    & skf18("4","9","1","8","5","1","1") = "8"
    & skf18("4","9","1","8","5","2","1") = "8"
    & skf18("4","9","1","8","5","3","1") = "8"
    & skf18("4","9","1","8","5","4","1") = "8"
    & skf18("4","9","1","8","5","5","1") = "8"
    & skf18("4","9","1","8","5","6","1") = "8"
    & skf18("4","9","1","8","5","7","1") = "8"
    & skf18("4","9","1","8","5","8","1") = "8"
    & skf18("4","9","1","8","5","9","1") = "8"
    & skf18("4","9","1","8","5","10","1") = "9"
    & skf18("4","9","1","8","6","1","1") = "8"
    & skf18("4","9","1","8","6","2","1") = "8"
    & skf18("4","9","1","8","6","3","1") = "8"
    & skf18("4","9","1","8","6","4","1") = "8"
    & skf18("4","9","1","8","6","5","1") = "8"
    & skf18("4","9","1","8","6","6","1") = "8"
    & skf18("4","9","1","8","6","7","1") = "8"
    & skf18("4","9","1","8","6","8","1") = "8"
    & skf18("4","9","1","8","6","9","1") = "8"
    & skf18("4","9","1","8","6","10","1") = "9"
    & skf18("4","9","1","8","7","1","1") = "8"
    & skf18("4","9","1","8","7","2","1") = "8"
    & skf18("4","9","1","8","7","3","1") = "8"
    & skf18("4","9","1","8","7","4","1") = "8"
    & skf18("4","9","1","8","7","5","1") = "8"
    & skf18("4","9","1","8","7","6","1") = "8"
    & skf18("4","9","1","8","7","7","1") = "8"
    & skf18("4","9","1","8","7","8","1") = "8"
    & skf18("4","9","1","8","7","9","1") = "8"
    & skf18("4","9","1","8","7","10","1") = "9"
    & skf18("4","9","1","8","8","1","1") = "8"
    & skf18("4","9","1","8","8","2","1") = "8"
    & skf18("4","9","1","8","8","3","1") = "8"
    & skf18("4","9","1","8","8","4","1") = "8"
    & skf18("4","9","1","8","8","5","1") = "8"
    & skf18("4","9","1","8","8","6","1") = "8"
    & skf18("4","9","1","8","8","7","1") = "8"
    & skf18("4","9","1","8","8","8","1") = "8"
    & skf18("4","9","1","8","8","9","1") = "8"
    & skf18("4","9","1","8","8","10","1") = "9"
    & skf18("4","9","1","8","9","1","1") = "8"
    & skf18("4","9","1","8","9","2","1") = "8"
    & skf18("4","9","1","8","9","3","1") = "8"
    & skf18("4","9","1","8","9","4","1") = "8"
    & skf18("4","9","1","8","9","5","1") = "8"
    & skf18("4","9","1","8","9","6","1") = "8"
    & skf18("4","9","1","8","9","7","1") = "8"
    & skf18("4","9","1","8","9","8","1") = "8"
    & skf18("4","9","1","8","9","9","1") = "8"
    & skf18("4","9","1","8","9","10","1") = "9"
    & skf18("4","9","1","8","10","1","1") = "9"
    & skf18("4","9","1","8","10","2","1") = "9"
    & skf18("4","9","1","8","10","3","1") = "9"
    & skf18("4","9","1","8","10","4","1") = "9"
    & skf18("4","9","1","8","10","5","1") = "9"
    & skf18("4","9","1","8","10","6","1") = "9"
    & skf18("4","9","1","8","10","7","1") = "9"
    & skf18("4","9","1","8","10","8","1") = "9"
    & skf18("4","9","1","8","10","9","1") = "9"
    & skf18("4","9","1","8","10","10","1") = "9"
    & skf18("4","9","1","9","1","1","1") = "8"
    & skf18("4","9","1","9","1","2","1") = "8"
    & skf18("4","9","1","9","1","3","1") = "8"
    & skf18("4","9","1","9","1","4","1") = "8"
    & skf18("4","9","1","9","1","5","1") = "8"
    & skf18("4","9","1","9","1","6","1") = "8"
    & skf18("4","9","1","9","1","7","1") = "8"
    & skf18("4","9","1","9","1","8","1") = "8"
    & skf18("4","9","1","9","1","9","1") = "8"
    & skf18("4","9","1","9","1","10","1") = "9"
    & skf18("4","9","1","9","2","1","1") = "8"
    & skf18("4","9","1","9","2","2","1") = "8"
    & skf18("4","9","1","9","2","3","1") = "8"
    & skf18("4","9","1","9","2","4","1") = "8"
    & skf18("4","9","1","9","2","5","1") = "8"
    & skf18("4","9","1","9","2","6","1") = "8"
    & skf18("4","9","1","9","2","7","1") = "8"
    & skf18("4","9","1","9","2","8","1") = "8"
    & skf18("4","9","1","9","2","9","1") = "8"
    & skf18("4","9","1","9","2","10","1") = "9"
    & skf18("4","9","1","9","3","1","1") = "8"
    & skf18("4","9","1","9","3","2","1") = "8"
    & skf18("4","9","1","9","3","3","1") = "8"
    & skf18("4","9","1","9","3","4","1") = "8"
    & skf18("4","9","1","9","3","5","1") = "8"
    & skf18("4","9","1","9","3","6","1") = "8"
    & skf18("4","9","1","9","3","7","1") = "8"
    & skf18("4","9","1","9","3","8","1") = "8"
    & skf18("4","9","1","9","3","9","1") = "8"
    & skf18("4","9","1","9","3","10","1") = "9"
    & skf18("4","9","1","9","4","1","1") = "8"
    & skf18("4","9","1","9","4","2","1") = "8"
    & skf18("4","9","1","9","4","3","1") = "8"
    & skf18("4","9","1","9","4","4","1") = "8"
    & skf18("4","9","1","9","4","5","1") = "8"
    & skf18("4","9","1","9","4","6","1") = "8"
    & skf18("4","9","1","9","4","7","1") = "8"
    & skf18("4","9","1","9","4","8","1") = "8"
    & skf18("4","9","1","9","4","9","1") = "8"
    & skf18("4","9","1","9","4","10","1") = "9"
    & skf18("4","9","1","9","5","1","1") = "8"
    & skf18("4","9","1","9","5","2","1") = "8"
    & skf18("4","9","1","9","5","3","1") = "8"
    & skf18("4","9","1","9","5","4","1") = "8"
    & skf18("4","9","1","9","5","5","1") = "8"
    & skf18("4","9","1","9","5","6","1") = "8"
    & skf18("4","9","1","9","5","7","1") = "8"
    & skf18("4","9","1","9","5","8","1") = "8"
    & skf18("4","9","1","9","5","9","1") = "8"
    & skf18("4","9","1","9","5","10","1") = "9"
    & skf18("4","9","1","9","6","1","1") = "8"
    & skf18("4","9","1","9","6","2","1") = "8"
    & skf18("4","9","1","9","6","3","1") = "8"
    & skf18("4","9","1","9","6","4","1") = "8"
    & skf18("4","9","1","9","6","5","1") = "8"
    & skf18("4","9","1","9","6","6","1") = "8"
    & skf18("4","9","1","9","6","7","1") = "8"
    & skf18("4","9","1","9","6","8","1") = "8"
    & skf18("4","9","1","9","6","9","1") = "8"
    & skf18("4","9","1","9","6","10","1") = "9"
    & skf18("4","9","1","9","7","1","1") = "8"
    & skf18("4","9","1","9","7","2","1") = "8"
    & skf18("4","9","1","9","7","3","1") = "8"
    & skf18("4","9","1","9","7","4","1") = "8"
    & skf18("4","9","1","9","7","5","1") = "8"
    & skf18("4","9","1","9","7","6","1") = "8"
    & skf18("4","9","1","9","7","7","1") = "8"
    & skf18("4","9","1","9","7","8","1") = "8"
    & skf18("4","9","1","9","7","9","1") = "8"
    & skf18("4","9","1","9","7","10","1") = "9"
    & skf18("4","9","1","9","8","1","1") = "8"
    & skf18("4","9","1","9","8","2","1") = "8"
    & skf18("4","9","1","9","8","3","1") = "8"
    & skf18("4","9","1","9","8","4","1") = "8"
    & skf18("4","9","1","9","8","5","1") = "8"
    & skf18("4","9","1","9","8","6","1") = "8"
    & skf18("4","9","1","9","8","7","1") = "8"
    & skf18("4","9","1","9","8","8","1") = "8"
    & skf18("4","9","1","9","8","9","1") = "8"
    & skf18("4","9","1","9","8","10","1") = "9"
    & skf18("4","9","1","9","9","1","1") = "8"
    & skf18("4","9","1","9","9","2","1") = "8"
    & skf18("4","9","1","9","9","3","1") = "8"
    & skf18("4","9","1","9","9","4","1") = "8"
    & skf18("4","9","1","9","9","5","1") = "8"
    & skf18("4","9","1","9","9","6","1") = "8"
    & skf18("4","9","1","9","9","7","1") = "8"
    & skf18("4","9","1","9","9","8","1") = "8"
    & skf18("4","9","1","9","9","9","1") = "8"
    & skf18("4","9","1","9","9","10","1") = "9"
    & skf18("4","9","1","9","10","1","1") = "9"
    & skf18("4","9","1","9","10","2","1") = "9"
    & skf18("4","9","1","9","10","3","1") = "9"
    & skf18("4","9","1","9","10","4","1") = "9"
    & skf18("4","9","1","9","10","5","1") = "9"
    & skf18("4","9","1","9","10","6","1") = "9"
    & skf18("4","9","1","9","10","7","1") = "9"
    & skf18("4","9","1","9","10","8","1") = "9"
    & skf18("4","9","1","9","10","9","1") = "9"
    & skf18("4","9","1","9","10","10","1") = "9"
    & skf18("4","9","1","10","1","1","1") = "9"
    & skf18("4","9","1","10","1","2","1") = "9"
    & skf18("4","9","1","10","1","3","1") = "9"
    & skf18("4","9","1","10","1","4","1") = "9"
    & skf18("4","9","1","10","1","5","1") = "9"
    & skf18("4","9","1","10","1","6","1") = "9"
    & skf18("4","9","1","10","1","7","1") = "9"
    & skf18("4","9","1","10","1","8","1") = "9"
    & skf18("4","9","1","10","1","9","1") = "9"
    & skf18("4","9","1","10","1","10","1") = "9"
    & skf18("4","9","1","10","2","1","1") = "9"
    & skf18("4","9","1","10","2","2","1") = "9"
    & skf18("4","9","1","10","2","3","1") = "9"
    & skf18("4","9","1","10","2","4","1") = "9"
    & skf18("4","9","1","10","2","5","1") = "9"
    & skf18("4","9","1","10","2","6","1") = "9"
    & skf18("4","9","1","10","2","7","1") = "9"
    & skf18("4","9","1","10","2","8","1") = "9"
    & skf18("4","9","1","10","2","9","1") = "9"
    & skf18("4","9","1","10","2","10","1") = "9"
    & skf18("4","9","1","10","3","1","1") = "9"
    & skf18("4","9","1","10","3","2","1") = "9"
    & skf18("4","9","1","10","3","3","1") = "9"
    & skf18("4","9","1","10","3","4","1") = "9"
    & skf18("4","9","1","10","3","5","1") = "9"
    & skf18("4","9","1","10","3","6","1") = "9"
    & skf18("4","9","1","10","3","7","1") = "9"
    & skf18("4","9","1","10","3","8","1") = "9"
    & skf18("4","9","1","10","3","9","1") = "9"
    & skf18("4","9","1","10","3","10","1") = "9"
    & skf18("4","9","1","10","4","1","1") = "9"
    & skf18("4","9","1","10","4","2","1") = "9"
    & skf18("4","9","1","10","4","3","1") = "9"
    & skf18("4","9","1","10","4","4","1") = "9"
    & skf18("4","9","1","10","4","5","1") = "9"
    & skf18("4","9","1","10","4","6","1") = "9"
    & skf18("4","9","1","10","4","7","1") = "9"
    & skf18("4","9","1","10","4","8","1") = "9"
    & skf18("4","9","1","10","4","9","1") = "9"
    & skf18("4","9","1","10","4","10","1") = "9"
    & skf18("4","9","1","10","5","1","1") = "9"
    & skf18("4","9","1","10","5","2","1") = "9"
    & skf18("4","9","1","10","5","3","1") = "9"
    & skf18("4","9","1","10","5","4","1") = "9"
    & skf18("4","9","1","10","5","5","1") = "9"
    & skf18("4","9","1","10","5","6","1") = "9"
    & skf18("4","9","1","10","5","7","1") = "9"
    & skf18("4","9","1","10","5","8","1") = "9"
    & skf18("4","9","1","10","5","9","1") = "9"
    & skf18("4","9","1","10","5","10","1") = "9"
    & skf18("4","9","1","10","6","1","1") = "9"
    & skf18("4","9","1","10","6","2","1") = "9"
    & skf18("4","9","1","10","6","3","1") = "9"
    & skf18("4","9","1","10","6","4","1") = "9"
    & skf18("4","9","1","10","6","5","1") = "9"
    & skf18("4","9","1","10","6","6","1") = "9"
    & skf18("4","9","1","10","6","7","1") = "9"
    & skf18("4","9","1","10","6","8","1") = "9"
    & skf18("4","9","1","10","6","9","1") = "9"
    & skf18("4","9","1","10","6","10","1") = "9"
    & skf18("4","9","1","10","7","1","1") = "9"
    & skf18("4","9","1","10","7","2","1") = "9"
    & skf18("4","9","1","10","7","3","1") = "9"
    & skf18("4","9","1","10","7","4","1") = "9"
    & skf18("4","9","1","10","7","5","1") = "9"
    & skf18("4","9","1","10","7","6","1") = "9"
    & skf18("4","9","1","10","7","7","1") = "9"
    & skf18("4","9","1","10","7","8","1") = "9"
    & skf18("4","9","1","10","7","9","1") = "9"
    & skf18("4","9","1","10","7","10","1") = "9"
    & skf18("4","9","1","10","8","1","1") = "9"
    & skf18("4","9","1","10","8","2","1") = "9"
    & skf18("4","9","1","10","8","3","1") = "9"
    & skf18("4","9","1","10","8","4","1") = "9"
    & skf18("4","9","1","10","8","5","1") = "9"
    & skf18("4","9","1","10","8","6","1") = "9"
    & skf18("4","9","1","10","8","7","1") = "9"
    & skf18("4","9","1","10","8","8","1") = "9"
    & skf18("4","9","1","10","8","9","1") = "9"
    & skf18("4","9","1","10","8","10","1") = "9"
    & skf18("4","9","1","10","9","1","1") = "9"
    & skf18("4","9","1","10","9","2","1") = "9"
    & skf18("4","9","1","10","9","3","1") = "9"
    & skf18("4","9","1","10","9","4","1") = "9"
    & skf18("4","9","1","10","9","5","1") = "9"
    & skf18("4","9","1","10","9","6","1") = "9"
    & skf18("4","9","1","10","9","7","1") = "9"
    & skf18("4","9","1","10","9","8","1") = "9"
    & skf18("4","9","1","10","9","9","1") = "9"
    & skf18("4","9","1","10","9","10","1") = "9"
    & skf18("4","9","1","10","10","1","1") = "9"
    & skf18("4","9","1","10","10","2","1") = "9"
    & skf18("4","9","1","10","10","3","1") = "9"
    & skf18("4","9","1","10","10","4","1") = "9"
    & skf18("4","9","1","10","10","5","1") = "9"
    & skf18("4","9","1","10","10","6","1") = "9"
    & skf18("4","9","1","10","10","7","1") = "9"
    & skf18("4","9","1","10","10","8","1") = "9"
    & skf18("4","9","1","10","10","9","1") = "9"
    & skf18("4","9","1","10","10","10","1") = "9"
    & skf18("4","9","2","1","1","1","1") = "8"
    & skf18("4","9","2","1","1","2","1") = "8"
    & skf18("4","9","2","1","1","3","1") = "8"
    & skf18("4","9","2","1","1","4","1") = "8"
    & skf18("4","9","2","1","1","5","1") = "8"
    & skf18("4","9","2","1","1","6","1") = "8"
    & skf18("4","9","2","1","1","7","1") = "8"
    & skf18("4","9","2","1","1","8","1") = "8"
    & skf18("4","9","2","1","1","9","1") = "8"
    & skf18("4","9","2","1","1","10","1") = "9"
    & skf18("4","9","2","1","2","1","1") = "8"
    & skf18("4","9","2","1","2","2","1") = "8"
    & skf18("4","9","2","1","2","3","1") = "8"
    & skf18("4","9","2","1","2","4","1") = "8"
    & skf18("4","9","2","1","2","5","1") = "8"
    & skf18("4","9","2","1","2","6","1") = "8"
    & skf18("4","9","2","1","2","7","1") = "8"
    & skf18("4","9","2","1","2","8","1") = "8"
    & skf18("4","9","2","1","2","9","1") = "8"
    & skf18("4","9","2","1","2","10","1") = "9"
    & skf18("4","9","2","1","3","1","1") = "8"
    & skf18("4","9","2","1","3","2","1") = "8"
    & skf18("4","9","2","1","3","3","1") = "8"
    & skf18("4","9","2","1","3","4","1") = "8"
    & skf18("4","9","2","1","3","5","1") = "8"
    & skf18("4","9","2","1","3","6","1") = "8"
    & skf18("4","9","2","1","3","7","1") = "8"
    & skf18("4","9","2","1","3","8","1") = "8"
    & skf18("4","9","2","1","3","9","1") = "8"
    & skf18("4","9","2","1","3","10","1") = "9"
    & skf18("4","9","2","1","4","1","1") = "8"
    & skf18("4","9","2","1","4","2","1") = "8"
    & skf18("4","9","2","1","4","3","1") = "8"
    & skf18("4","9","2","1","4","4","1") = "8"
    & skf18("4","9","2","1","4","5","1") = "8"
    & skf18("4","9","2","1","4","6","1") = "8"
    & skf18("4","9","2","1","4","7","1") = "8"
    & skf18("4","9","2","1","4","8","1") = "8"
    & skf18("4","9","2","1","4","9","1") = "8"
    & skf18("4","9","2","1","4","10","1") = "9"
    & skf18("4","9","2","1","5","1","1") = "8"
    & skf18("4","9","2","1","5","2","1") = "8"
    & skf18("4","9","2","1","5","3","1") = "8"
    & skf18("4","9","2","1","5","4","1") = "8"
    & skf18("4","9","2","1","5","5","1") = "8"
    & skf18("4","9","2","1","5","6","1") = "8"
    & skf18("4","9","2","1","5","7","1") = "8"
    & skf18("4","9","2","1","5","8","1") = "8"
    & skf18("4","9","2","1","5","9","1") = "8"
    & skf18("4","9","2","1","5","10","1") = "9"
    & skf18("4","9","2","1","6","1","1") = "8"
    & skf18("4","9","2","1","6","2","1") = "8"
    & skf18("4","9","2","1","6","3","1") = "8"
    & skf18("4","9","2","1","6","4","1") = "8"
    & skf18("4","9","2","1","6","5","1") = "8"
    & skf18("4","9","2","1","6","6","1") = "8"
    & skf18("4","9","2","1","6","7","1") = "8"
    & skf18("4","9","2","1","6","8","1") = "8"
    & skf18("4","9","2","1","6","9","1") = "8"
    & skf18("4","9","2","1","6","10","1") = "9"
    & skf18("4","9","2","1","7","1","1") = "8"
    & skf18("4","9","2","1","7","2","1") = "8"
    & skf18("4","9","2","1","7","3","1") = "8"
    & skf18("4","9","2","1","7","4","1") = "8"
    & skf18("4","9","2","1","7","5","1") = "8"
    & skf18("4","9","2","1","7","6","1") = "8"
    & skf18("4","9","2","1","7","7","1") = "8"
    & skf18("4","9","2","1","7","8","1") = "8"
    & skf18("4","9","2","1","7","9","1") = "8"
    & skf18("4","9","2","1","7","10","1") = "9"
    & skf18("4","9","2","1","8","1","1") = "8"
    & skf18("4","9","2","1","8","2","1") = "8"
    & skf18("4","9","2","1","8","3","1") = "8"
    & skf18("4","9","2","1","8","4","1") = "8"
    & skf18("4","9","2","1","8","5","1") = "8"
    & skf18("4","9","2","1","8","6","1") = "8"
    & skf18("4","9","2","1","8","7","1") = "8"
    & skf18("4","9","2","1","8","8","1") = "8"
    & skf18("4","9","2","1","8","9","1") = "8"
    & skf18("4","9","2","1","8","10","1") = "9"
    & skf18("4","9","2","1","9","1","1") = "8"
    & skf18("4","9","2","1","9","2","1") = "8"
    & skf18("4","9","2","1","9","3","1") = "8"
    & skf18("4","9","2","1","9","4","1") = "8"
    & skf18("4","9","2","1","9","5","1") = "8"
    & skf18("4","9","2","1","9","6","1") = "8"
    & skf18("4","9","2","1","9","7","1") = "8"
    & skf18("4","9","2","1","9","8","1") = "8"
    & skf18("4","9","2","1","9","9","1") = "8"
    & skf18("4","9","2","1","9","10","1") = "9"
    & skf18("4","9","2","1","10","1","1") = "9"
    & skf18("4","9","2","1","10","2","1") = "9"
    & skf18("4","9","2","1","10","3","1") = "9"
    & skf18("4","9","2","1","10","4","1") = "9"
    & skf18("4","9","2","1","10","5","1") = "9"
    & skf18("4","9","2","1","10","6","1") = "9"
    & skf18("4","9","2","1","10","7","1") = "9"
    & skf18("4","9","2","1","10","8","1") = "9"
    & skf18("4","9","2","1","10","9","1") = "9"
    & skf18("4","9","2","1","10","10","1") = "9"
    & skf18("4","9","2","2","1","1","1") = "8"
    & skf18("4","9","2","2","1","2","1") = "8"
    & skf18("4","9","2","2","1","3","1") = "8"
    & skf18("4","9","2","2","1","4","1") = "8"
    & skf18("4","9","2","2","1","5","1") = "8"
    & skf18("4","9","2","2","1","6","1") = "8"
    & skf18("4","9","2","2","1","7","1") = "8"
    & skf18("4","9","2","2","1","8","1") = "8"
    & skf18("4","9","2","2","1","9","1") = "8"
    & skf18("4","9","2","2","1","10","1") = "9"
    & skf18("4","9","2","2","2","1","1") = "8"
    & skf18("4","9","2","2","2","2","1") = "8"
    & skf18("4","9","2","2","2","3","1") = "8"
    & skf18("4","9","2","2","2","4","1") = "8"
    & skf18("4","9","2","2","2","5","1") = "8"
    & skf18("4","9","2","2","2","6","1") = "8"
    & skf18("4","9","2","2","2","7","1") = "8"
    & skf18("4","9","2","2","2","8","1") = "8"
    & skf18("4","9","2","2","2","9","1") = "8"
    & skf18("4","9","2","2","2","10","1") = "9"
    & skf18("4","9","2","2","3","1","1") = "8"
    & skf18("4","9","2","2","3","2","1") = "8"
    & skf18("4","9","2","2","3","3","1") = "8"
    & skf18("4","9","2","2","3","4","1") = "8"
    & skf18("4","9","2","2","3","5","1") = "8"
    & skf18("4","9","2","2","3","6","1") = "8"
    & skf18("4","9","2","2","3","7","1") = "8"
    & skf18("4","9","2","2","3","8","1") = "8"
    & skf18("4","9","2","2","3","9","1") = "8"
    & skf18("4","9","2","2","3","10","1") = "9"
    & skf18("4","9","2","2","4","1","1") = "8"
    & skf18("4","9","2","2","4","2","1") = "8"
    & skf18("4","9","2","2","4","3","1") = "8"
    & skf18("4","9","2","2","4","4","1") = "8"
    & skf18("4","9","2","2","4","5","1") = "8"
    & skf18("4","9","2","2","4","6","1") = "8"
    & skf18("4","9","2","2","4","7","1") = "8"
    & skf18("4","9","2","2","4","8","1") = "8"
    & skf18("4","9","2","2","4","9","1") = "8"
    & skf18("4","9","2","2","4","10","1") = "9"
    & skf18("4","9","2","2","5","1","1") = "8"
    & skf18("4","9","2","2","5","2","1") = "8"
    & skf18("4","9","2","2","5","3","1") = "8"
    & skf18("4","9","2","2","5","4","1") = "8"
    & skf18("4","9","2","2","5","5","1") = "8"
    & skf18("4","9","2","2","5","6","1") = "8"
    & skf18("4","9","2","2","5","7","1") = "8"
    & skf18("4","9","2","2","5","8","1") = "8"
    & skf18("4","9","2","2","5","9","1") = "8"
    & skf18("4","9","2","2","5","10","1") = "9"
    & skf18("4","9","2","2","6","1","1") = "8"
    & skf18("4","9","2","2","6","2","1") = "8"
    & skf18("4","9","2","2","6","3","1") = "8"
    & skf18("4","9","2","2","6","4","1") = "8"
    & skf18("4","9","2","2","6","5","1") = "8"
    & skf18("4","9","2","2","6","6","1") = "8"
    & skf18("4","9","2","2","6","7","1") = "8"
    & skf18("4","9","2","2","6","8","1") = "8"
    & skf18("4","9","2","2","6","9","1") = "8"
    & skf18("4","9","2","2","6","10","1") = "9"
    & skf18("4","9","2","2","7","1","1") = "8"
    & skf18("4","9","2","2","7","2","1") = "8"
    & skf18("4","9","2","2","7","3","1") = "8"
    & skf18("4","9","2","2","7","4","1") = "8"
    & skf18("4","9","2","2","7","5","1") = "8"
    & skf18("4","9","2","2","7","6","1") = "8"
    & skf18("4","9","2","2","7","7","1") = "8"
    & skf18("4","9","2","2","7","8","1") = "8"
    & skf18("4","9","2","2","7","9","1") = "8"
    & skf18("4","9","2","2","7","10","1") = "9"
    & skf18("4","9","2","2","8","1","1") = "8"
    & skf18("4","9","2","2","8","2","1") = "8"
    & skf18("4","9","2","2","8","3","1") = "8"
    & skf18("4","9","2","2","8","4","1") = "8"
    & skf18("4","9","2","2","8","5","1") = "8"
    & skf18("4","9","2","2","8","6","1") = "8"
    & skf18("4","9","2","2","8","7","1") = "8"
    & skf18("4","9","2","2","8","8","1") = "8"
    & skf18("4","9","2","2","8","9","1") = "8"
    & skf18("4","9","2","2","8","10","1") = "9"
    & skf18("4","9","2","2","9","1","1") = "8"
    & skf18("4","9","2","2","9","2","1") = "8"
    & skf18("4","9","2","2","9","3","1") = "8"
    & skf18("4","9","2","2","9","4","1") = "8"
    & skf18("4","9","2","2","9","5","1") = "8"
    & skf18("4","9","2","2","9","6","1") = "8"
    & skf18("4","9","2","2","9","7","1") = "8"
    & skf18("4","9","2","2","9","8","1") = "8"
    & skf18("4","9","2","2","9","9","1") = "8"
    & skf18("4","9","2","2","9","10","1") = "9"
    & skf18("4","9","2","2","10","1","1") = "9"
    & skf18("4","9","2","2","10","2","1") = "9"
    & skf18("4","9","2","2","10","3","1") = "9"
    & skf18("4","9","2","2","10","4","1") = "9"
    & skf18("4","9","2","2","10","5","1") = "9"
    & skf18("4","9","2","2","10","6","1") = "9"
    & skf18("4","9","2","2","10","7","1") = "9"
    & skf18("4","9","2","2","10","8","1") = "9"
    & skf18("4","9","2","2","10","9","1") = "9"
    & skf18("4","9","2","2","10","10","1") = "9"
    & skf18("4","9","2","3","1","1","1") = "8"
    & skf18("4","9","2","3","1","2","1") = "8"
    & skf18("4","9","2","3","1","3","1") = "8"
    & skf18("4","9","2","3","1","4","1") = "8"
    & skf18("4","9","2","3","1","5","1") = "8"
    & skf18("4","9","2","3","1","6","1") = "8"
    & skf18("4","9","2","3","1","7","1") = "8"
    & skf18("4","9","2","3","1","8","1") = "8"
    & skf18("4","9","2","3","1","9","1") = "8"
    & skf18("4","9","2","3","1","10","1") = "9"
    & skf18("4","9","2","3","2","1","1") = "8"
    & skf18("4","9","2","3","2","2","1") = "8"
    & skf18("4","9","2","3","2","3","1") = "8"
    & skf18("4","9","2","3","2","4","1") = "8"
    & skf18("4","9","2","3","2","5","1") = "8"
    & skf18("4","9","2","3","2","6","1") = "8"
    & skf18("4","9","2","3","2","7","1") = "8"
    & skf18("4","9","2","3","2","8","1") = "8"
    & skf18("4","9","2","3","2","9","1") = "8"
    & skf18("4","9","2","3","2","10","1") = "9"
    & skf18("4","9","2","3","3","1","1") = "8"
    & skf18("4","9","2","3","3","2","1") = "8"
    & skf18("4","9","2","3","3","3","1") = "8"
    & skf18("4","9","2","3","3","4","1") = "8"
    & skf18("4","9","2","3","3","5","1") = "8"
    & skf18("4","9","2","3","3","6","1") = "8"
    & skf18("4","9","2","3","3","7","1") = "8"
    & skf18("4","9","2","3","3","8","1") = "8"
    & skf18("4","9","2","3","3","9","1") = "8"
    & skf18("4","9","2","3","3","10","1") = "9"
    & skf18("4","9","2","3","4","1","1") = "8"
    & skf18("4","9","2","3","4","2","1") = "8"
    & skf18("4","9","2","3","4","3","1") = "8"
    & skf18("4","9","2","3","4","4","1") = "8"
    & skf18("4","9","2","3","4","5","1") = "8"
    & skf18("4","9","2","3","4","6","1") = "8"
    & skf18("4","9","2","3","4","7","1") = "8"
    & skf18("4","9","2","3","4","8","1") = "8"
    & skf18("4","9","2","3","4","9","1") = "8"
    & skf18("4","9","2","3","4","10","1") = "9"
    & skf18("4","9","2","3","5","1","1") = "8"
    & skf18("4","9","2","3","5","2","1") = "8"
    & skf18("4","9","2","3","5","3","1") = "8"
    & skf18("4","9","2","3","5","4","1") = "8"
    & skf18("4","9","2","3","5","5","1") = "8"
    & skf18("4","9","2","3","5","6","1") = "8"
    & skf18("4","9","2","3","5","7","1") = "8"
    & skf18("4","9","2","3","5","8","1") = "8"
    & skf18("4","9","2","3","5","9","1") = "8"
    & skf18("4","9","2","3","5","10","1") = "9"
    & skf18("4","9","2","3","6","1","1") = "8"
    & skf18("4","9","2","3","6","2","1") = "8"
    & skf18("4","9","2","3","6","3","1") = "8"
    & skf18("4","9","2","3","6","4","1") = "8"
    & skf18("4","9","2","3","6","5","1") = "8"
    & skf18("4","9","2","3","6","6","1") = "8"
    & skf18("4","9","2","3","6","7","1") = "8"
    & skf18("4","9","2","3","6","8","1") = "8"
    & skf18("4","9","2","3","6","9","1") = "8"
    & skf18("4","9","2","3","6","10","1") = "9"
    & skf18("4","9","2","3","7","1","1") = "8"
    & skf18("4","9","2","3","7","2","1") = "8"
    & skf18("4","9","2","3","7","3","1") = "8"
    & skf18("4","9","2","3","7","4","1") = "8"
    & skf18("4","9","2","3","7","5","1") = "8"
    & skf18("4","9","2","3","7","6","1") = "8"
    & skf18("4","9","2","3","7","7","1") = "8"
    & skf18("4","9","2","3","7","8","1") = "8"
    & skf18("4","9","2","3","7","9","1") = "8"
    & skf18("4","9","2","3","7","10","1") = "9"
    & skf18("4","9","2","3","8","1","1") = "8"
    & skf18("4","9","2","3","8","2","1") = "8"
    & skf18("4","9","2","3","8","3","1") = "8"
    & skf18("4","9","2","3","8","4","1") = "8"
    & skf18("4","9","2","3","8","5","1") = "8"
    & skf18("4","9","2","3","8","6","1") = "8"
    & skf18("4","9","2","3","8","7","1") = "8"
    & skf18("4","9","2","3","8","8","1") = "8"
    & skf18("4","9","2","3","8","9","1") = "8"
    & skf18("4","9","2","3","8","10","1") = "9"
    & skf18("4","9","2","3","9","1","1") = "8"
    & skf18("4","9","2","3","9","2","1") = "8"
    & skf18("4","9","2","3","9","3","1") = "8"
    & skf18("4","9","2","3","9","4","1") = "8"
    & skf18("4","9","2","3","9","5","1") = "8"
    & skf18("4","9","2","3","9","6","1") = "8"
    & skf18("4","9","2","3","9","7","1") = "8"
    & skf18("4","9","2","3","9","8","1") = "8"
    & skf18("4","9","2","3","9","9","1") = "8"
    & skf18("4","9","2","3","9","10","1") = "9"
    & skf18("4","9","2","3","10","1","1") = "9"
    & skf18("4","9","2","3","10","2","1") = "9"
    & skf18("4","9","2","3","10","3","1") = "9"
    & skf18("4","9","2","3","10","4","1") = "9"
    & skf18("4","9","2","3","10","5","1") = "9"
    & skf18("4","9","2","3","10","6","1") = "9"
    & skf18("4","9","2","3","10","7","1") = "9"
    & skf18("4","9","2","3","10","8","1") = "9"
    & skf18("4","9","2","3","10","9","1") = "9"
    & skf18("4","9","2","3","10","10","1") = "9"
    & skf18("4","9","2","4","1","1","1") = "8"
    & skf18("4","9","2","4","1","2","1") = "8"
    & skf18("4","9","2","4","1","3","1") = "8"
    & skf18("4","9","2","4","1","4","1") = "8"
    & skf18("4","9","2","4","1","5","1") = "8"
    & skf18("4","9","2","4","1","6","1") = "8"
    & skf18("4","9","2","4","1","7","1") = "8"
    & skf18("4","9","2","4","1","8","1") = "8"
    & skf18("4","9","2","4","1","9","1") = "8"
    & skf18("4","9","2","4","1","10","1") = "9"
    & skf18("4","9","2","4","2","1","1") = "8"
    & skf18("4","9","2","4","2","2","1") = "8"
    & skf18("4","9","2","4","2","3","1") = "8"
    & skf18("4","9","2","4","2","4","1") = "8"
    & skf18("4","9","2","4","2","5","1") = "8"
    & skf18("4","9","2","4","2","6","1") = "8"
    & skf18("4","9","2","4","2","7","1") = "8"
    & skf18("4","9","2","4","2","8","1") = "8"
    & skf18("4","9","2","4","2","9","1") = "8"
    & skf18("4","9","2","4","2","10","1") = "9"
    & skf18("4","9","2","4","3","1","1") = "8"
    & skf18("4","9","2","4","3","2","1") = "8"
    & skf18("4","9","2","4","3","3","1") = "8"
    & skf18("4","9","2","4","3","4","1") = "8"
    & skf18("4","9","2","4","3","5","1") = "8"
    & skf18("4","9","2","4","3","6","1") = "8"
    & skf18("4","9","2","4","3","7","1") = "8"
    & skf18("4","9","2","4","3","8","1") = "8"
    & skf18("4","9","2","4","3","9","1") = "8"
    & skf18("4","9","2","4","3","10","1") = "9"
    & skf18("4","9","2","4","4","1","1") = "8"
    & skf18("4","9","2","4","4","2","1") = "8"
    & skf18("4","9","2","4","4","3","1") = "8"
    & skf18("4","9","2","4","4","4","1") = "8"
    & skf18("4","9","2","4","4","5","1") = "8"
    & skf18("4","9","2","4","4","6","1") = "8"
    & skf18("4","9","2","4","4","7","1") = "8"
    & skf18("4","9","2","4","4","8","1") = "8"
    & skf18("4","9","2","4","4","9","1") = "8"
    & skf18("4","9","2","4","4","10","1") = "9"
    & skf18("4","9","2","4","5","1","1") = "8"
    & skf18("4","9","2","4","5","2","1") = "8"
    & skf18("4","9","2","4","5","3","1") = "8"
    & skf18("4","9","2","4","5","4","1") = "8"
    & skf18("4","9","2","4","5","5","1") = "8"
    & skf18("4","9","2","4","5","6","1") = "8"
    & skf18("4","9","2","4","5","7","1") = "8"
    & skf18("4","9","2","4","5","8","1") = "8"
    & skf18("4","9","2","4","5","9","1") = "8"
    & skf18("4","9","2","4","5","10","1") = "9"
    & skf18("4","9","2","4","6","1","1") = "8"
    & skf18("4","9","2","4","6","2","1") = "8"
    & skf18("4","9","2","4","6","3","1") = "8"
    & skf18("4","9","2","4","6","4","1") = "8"
    & skf18("4","9","2","4","6","5","1") = "8"
    & skf18("4","9","2","4","6","6","1") = "8"
    & skf18("4","9","2","4","6","7","1") = "8"
    & skf18("4","9","2","4","6","8","1") = "8"
    & skf18("4","9","2","4","6","9","1") = "8"
    & skf18("4","9","2","4","6","10","1") = "9"
    & skf18("4","9","2","4","7","1","1") = "8"
    & skf18("4","9","2","4","7","2","1") = "8"
    & skf18("4","9","2","4","7","3","1") = "8"
    & skf18("4","9","2","4","7","4","1") = "8"
    & skf18("4","9","2","4","7","5","1") = "8"
    & skf18("4","9","2","4","7","6","1") = "8"
    & skf18("4","9","2","4","7","7","1") = "8"
    & skf18("4","9","2","4","7","8","1") = "8"
    & skf18("4","9","2","4","7","9","1") = "8"
    & skf18("4","9","2","4","7","10","1") = "9"
    & skf18("4","9","2","4","8","1","1") = "8"
    & skf18("4","9","2","4","8","2","1") = "8"
    & skf18("4","9","2","4","8","3","1") = "8"
    & skf18("4","9","2","4","8","4","1") = "8"
    & skf18("4","9","2","4","8","5","1") = "8"
    & skf18("4","9","2","4","8","6","1") = "8"
    & skf18("4","9","2","4","8","7","1") = "8"
    & skf18("4","9","2","4","8","8","1") = "8"
    & skf18("4","9","2","4","8","9","1") = "8"
    & skf18("4","9","2","4","8","10","1") = "9"
    & skf18("4","9","2","4","9","1","1") = "8"
    & skf18("4","9","2","4","9","2","1") = "8"
    & skf18("4","9","2","4","9","3","1") = "8"
    & skf18("4","9","2","4","9","4","1") = "8"
    & skf18("4","9","2","4","9","5","1") = "8"
    & skf18("4","9","2","4","9","6","1") = "8"
    & skf18("4","9","2","4","9","7","1") = "8"
    & skf18("4","9","2","4","9","8","1") = "8"
    & skf18("4","9","2","4","9","9","1") = "8"
    & skf18("4","9","2","4","9","10","1") = "9"
    & skf18("4","9","2","4","10","1","1") = "9"
    & skf18("4","9","2","4","10","2","1") = "9"
    & skf18("4","9","2","4","10","3","1") = "9"
    & skf18("4","9","2","4","10","4","1") = "9"
    & skf18("4","9","2","4","10","5","1") = "9"
    & skf18("4","9","2","4","10","6","1") = "9"
    & skf18("4","9","2","4","10","7","1") = "9"
    & skf18("4","9","2","4","10","8","1") = "9"
    & skf18("4","9","2","4","10","9","1") = "9"
    & skf18("4","9","2","4","10","10","1") = "9"
    & skf18("4","9","2","5","1","1","1") = "8"
    & skf18("4","9","2","5","1","2","1") = "8"
    & skf18("4","9","2","5","1","3","1") = "8"
    & skf18("4","9","2","5","1","4","1") = "8"
    & skf18("4","9","2","5","1","5","1") = "8"
    & skf18("4","9","2","5","1","6","1") = "8"
    & skf18("4","9","2","5","1","7","1") = "8"
    & skf18("4","9","2","5","1","8","1") = "8"
    & skf18("4","9","2","5","1","9","1") = "8"
    & skf18("4","9","2","5","1","10","1") = "9"
    & skf18("4","9","2","5","2","1","1") = "8"
    & skf18("4","9","2","5","2","2","1") = "8"
    & skf18("4","9","2","5","2","3","1") = "8"
    & skf18("4","9","2","5","2","4","1") = "8"
    & skf18("4","9","2","5","2","5","1") = "8"
    & skf18("4","9","2","5","2","6","1") = "8"
    & skf18("4","9","2","5","2","7","1") = "8"
    & skf18("4","9","2","5","2","8","1") = "8"
    & skf18("4","9","2","5","2","9","1") = "8"
    & skf18("4","9","2","5","2","10","1") = "9"
    & skf18("4","9","2","5","3","1","1") = "8"
    & skf18("4","9","2","5","3","2","1") = "8"
    & skf18("4","9","2","5","3","3","1") = "8"
    & skf18("4","9","2","5","3","4","1") = "8"
    & skf18("4","9","2","5","3","5","1") = "8"
    & skf18("4","9","2","5","3","6","1") = "8"
    & skf18("4","9","2","5","3","7","1") = "8"
    & skf18("4","9","2","5","3","8","1") = "8"
    & skf18("4","9","2","5","3","9","1") = "8"
    & skf18("4","9","2","5","3","10","1") = "9"
    & skf18("4","9","2","5","4","1","1") = "8"
    & skf18("4","9","2","5","4","2","1") = "8"
    & skf18("4","9","2","5","4","3","1") = "8"
    & skf18("4","9","2","5","4","4","1") = "8"
    & skf18("4","9","2","5","4","5","1") = "8"
    & skf18("4","9","2","5","4","6","1") = "8"
    & skf18("4","9","2","5","4","7","1") = "8"
    & skf18("4","9","2","5","4","8","1") = "8"
    & skf18("4","9","2","5","4","9","1") = "8"
    & skf18("4","9","2","5","4","10","1") = "9"
    & skf18("4","9","2","5","5","1","1") = "8"
    & skf18("4","9","2","5","5","2","1") = "8"
    & skf18("4","9","2","5","5","3","1") = "8"
    & skf18("4","9","2","5","5","4","1") = "8"
    & skf18("4","9","2","5","5","5","1") = "8"
    & skf18("4","9","2","5","5","6","1") = "8"
    & skf18("4","9","2","5","5","7","1") = "8"
    & skf18("4","9","2","5","5","8","1") = "8"
    & skf18("4","9","2","5","5","9","1") = "8"
    & skf18("4","9","2","5","5","10","1") = "9"
    & skf18("4","9","2","5","6","1","1") = "8"
    & skf18("4","9","2","5","6","2","1") = "8"
    & skf18("4","9","2","5","6","3","1") = "8"
    & skf18("4","9","2","5","6","4","1") = "8"
    & skf18("4","9","2","5","6","5","1") = "8"
    & skf18("4","9","2","5","6","6","1") = "8"
    & skf18("4","9","2","5","6","7","1") = "8"
    & skf18("4","9","2","5","6","8","1") = "8"
    & skf18("4","9","2","5","6","9","1") = "8"
    & skf18("4","9","2","5","6","10","1") = "9"
    & skf18("4","9","2","5","7","1","1") = "8"
    & skf18("4","9","2","5","7","2","1") = "8"
    & skf18("4","9","2","5","7","3","1") = "8"
    & skf18("4","9","2","5","7","4","1") = "8"
    & skf18("4","9","2","5","7","5","1") = "8"
    & skf18("4","9","2","5","7","6","1") = "8"
    & skf18("4","9","2","5","7","7","1") = "8"
    & skf18("4","9","2","5","7","8","1") = "8"
    & skf18("4","9","2","5","7","9","1") = "8"
    & skf18("4","9","2","5","7","10","1") = "9"
    & skf18("4","9","2","5","8","1","1") = "8"
    & skf18("4","9","2","5","8","2","1") = "8"
    & skf18("4","9","2","5","8","3","1") = "8"
    & skf18("4","9","2","5","8","4","1") = "8"
    & skf18("4","9","2","5","8","5","1") = "8"
    & skf18("4","9","2","5","8","6","1") = "8"
    & skf18("4","9","2","5","8","7","1") = "8"
    & skf18("4","9","2","5","8","8","1") = "8"
    & skf18("4","9","2","5","8","9","1") = "8"
    & skf18("4","9","2","5","8","10","1") = "9"
    & skf18("4","9","2","5","9","1","1") = "8"
    & skf18("4","9","2","5","9","2","1") = "8"
    & skf18("4","9","2","5","9","3","1") = "8"
    & skf18("4","9","2","5","9","4","1") = "8"
    & skf18("4","9","2","5","9","5","1") = "8"
    & skf18("4","9","2","5","9","6","1") = "8"
    & skf18("4","9","2","5","9","7","1") = "8"
    & skf18("4","9","2","5","9","8","1") = "8"
    & skf18("4","9","2","5","9","9","1") = "8"
    & skf18("4","9","2","5","9","10","1") = "9"
    & skf18("4","9","2","5","10","1","1") = "9"
    & skf18("4","9","2","5","10","2","1") = "9"
    & skf18("4","9","2","5","10","3","1") = "9"
    & skf18("4","9","2","5","10","4","1") = "9"
    & skf18("4","9","2","5","10","5","1") = "9"
    & skf18("4","9","2","5","10","6","1") = "9"
    & skf18("4","9","2","5","10","7","1") = "9"
    & skf18("4","9","2","5","10","8","1") = "9"
    & skf18("4","9","2","5","10","9","1") = "9"
    & skf18("4","9","2","5","10","10","1") = "9"
    & skf18("4","9","2","6","1","1","1") = "8"
    & skf18("4","9","2","6","1","2","1") = "8"
    & skf18("4","9","2","6","1","3","1") = "8"
    & skf18("4","9","2","6","1","4","1") = "8"
    & skf18("4","9","2","6","1","5","1") = "8"
    & skf18("4","9","2","6","1","6","1") = "8"
    & skf18("4","9","2","6","1","7","1") = "8"
    & skf18("4","9","2","6","1","8","1") = "8"
    & skf18("4","9","2","6","1","9","1") = "8"
    & skf18("4","9","2","6","1","10","1") = "9"
    & skf18("4","9","2","6","2","1","1") = "8"
    & skf18("4","9","2","6","2","2","1") = "8"
    & skf18("4","9","2","6","2","3","1") = "8"
    & skf18("4","9","2","6","2","4","1") = "8"
    & skf18("4","9","2","6","2","5","1") = "8"
    & skf18("4","9","2","6","2","6","1") = "8"
    & skf18("4","9","2","6","2","7","1") = "8"
    & skf18("4","9","2","6","2","8","1") = "8"
    & skf18("4","9","2","6","2","9","1") = "8"
    & skf18("4","9","2","6","2","10","1") = "9"
    & skf18("4","9","2","6","3","1","1") = "8"
    & skf18("4","9","2","6","3","2","1") = "8"
    & skf18("4","9","2","6","3","3","1") = "8"
    & skf18("4","9","2","6","3","4","1") = "8"
    & skf18("4","9","2","6","3","5","1") = "8"
    & skf18("4","9","2","6","3","6","1") = "8"
    & skf18("4","9","2","6","3","7","1") = "8"
    & skf18("4","9","2","6","3","8","1") = "8"
    & skf18("4","9","2","6","3","9","1") = "8"
    & skf18("4","9","2","6","3","10","1") = "9"
    & skf18("4","9","2","6","4","1","1") = "8"
    & skf18("4","9","2","6","4","2","1") = "8"
    & skf18("4","9","2","6","4","3","1") = "8"
    & skf18("4","9","2","6","4","4","1") = "8"
    & skf18("4","9","2","6","4","5","1") = "8"
    & skf18("4","9","2","6","4","6","1") = "8"
    & skf18("4","9","2","6","4","7","1") = "8"
    & skf18("4","9","2","6","4","8","1") = "8"
    & skf18("4","9","2","6","4","9","1") = "8"
    & skf18("4","9","2","6","4","10","1") = "9"
    & skf18("4","9","2","6","5","1","1") = "8"
    & skf18("4","9","2","6","5","2","1") = "8"
    & skf18("4","9","2","6","5","3","1") = "8"
    & skf18("4","9","2","6","5","4","1") = "8"
    & skf18("4","9","2","6","5","5","1") = "8"
    & skf18("4","9","2","6","5","6","1") = "8"
    & skf18("4","9","2","6","5","7","1") = "8"
    & skf18("4","9","2","6","5","8","1") = "8"
    & skf18("4","9","2","6","5","9","1") = "8"
    & skf18("4","9","2","6","5","10","1") = "9"
    & skf18("4","9","2","6","6","1","1") = "8"
    & skf18("4","9","2","6","6","2","1") = "8"
    & skf18("4","9","2","6","6","3","1") = "8"
    & skf18("4","9","2","6","6","4","1") = "8"
    & skf18("4","9","2","6","6","5","1") = "8"
    & skf18("4","9","2","6","6","6","1") = "8"
    & skf18("4","9","2","6","6","7","1") = "8"
    & skf18("4","9","2","6","6","8","1") = "8"
    & skf18("4","9","2","6","6","9","1") = "8"
    & skf18("4","9","2","6","6","10","1") = "9"
    & skf18("4","9","2","6","7","1","1") = "8"
    & skf18("4","9","2","6","7","2","1") = "8"
    & skf18("4","9","2","6","7","3","1") = "8"
    & skf18("4","9","2","6","7","4","1") = "8"
    & skf18("4","9","2","6","7","5","1") = "8"
    & skf18("4","9","2","6","7","6","1") = "8"
    & skf18("4","9","2","6","7","7","1") = "8"
    & skf18("4","9","2","6","7","8","1") = "8"
    & skf18("4","9","2","6","7","9","1") = "8"
    & skf18("4","9","2","6","7","10","1") = "9"
    & skf18("4","9","2","6","8","1","1") = "8"
    & skf18("4","9","2","6","8","2","1") = "8"
    & skf18("4","9","2","6","8","3","1") = "8"
    & skf18("4","9","2","6","8","4","1") = "8"
    & skf18("4","9","2","6","8","5","1") = "8"
    & skf18("4","9","2","6","8","6","1") = "8"
    & skf18("4","9","2","6","8","7","1") = "8"
    & skf18("4","9","2","6","8","8","1") = "8"
    & skf18("4","9","2","6","8","9","1") = "8"
    & skf18("4","9","2","6","8","10","1") = "9"
    & skf18("4","9","2","6","9","1","1") = "8"
    & skf18("4","9","2","6","9","2","1") = "8"
    & skf18("4","9","2","6","9","3","1") = "8"
    & skf18("4","9","2","6","9","4","1") = "8"
    & skf18("4","9","2","6","9","5","1") = "8"
    & skf18("4","9","2","6","9","6","1") = "8"
    & skf18("4","9","2","6","9","7","1") = "8"
    & skf18("4","9","2","6","9","8","1") = "8"
    & skf18("4","9","2","6","9","9","1") = "8"
    & skf18("4","9","2","6","9","10","1") = "9"
    & skf18("4","9","2","6","10","1","1") = "9"
    & skf18("4","9","2","6","10","2","1") = "9"
    & skf18("4","9","2","6","10","3","1") = "9"
    & skf18("4","9","2","6","10","4","1") = "9"
    & skf18("4","9","2","6","10","5","1") = "9"
    & skf18("4","9","2","6","10","6","1") = "9"
    & skf18("4","9","2","6","10","7","1") = "9"
    & skf18("4","9","2","6","10","8","1") = "9"
    & skf18("4","9","2","6","10","9","1") = "9"
    & skf18("4","9","2","6","10","10","1") = "9"
    & skf18("4","9","2","7","1","1","1") = "8"
    & skf18("4","9","2","7","1","2","1") = "8"
    & skf18("4","9","2","7","1","3","1") = "8"
    & skf18("4","9","2","7","1","4","1") = "8"
    & skf18("4","9","2","7","1","5","1") = "8"
    & skf18("4","9","2","7","1","6","1") = "8"
    & skf18("4","9","2","7","1","7","1") = "8"
    & skf18("4","9","2","7","1","8","1") = "8"
    & skf18("4","9","2","7","1","9","1") = "8"
    & skf18("4","9","2","7","1","10","1") = "9"
    & skf18("4","9","2","7","2","1","1") = "8"
    & skf18("4","9","2","7","2","2","1") = "8"
    & skf18("4","9","2","7","2","3","1") = "8"
    & skf18("4","9","2","7","2","4","1") = "8"
    & skf18("4","9","2","7","2","5","1") = "8"
    & skf18("4","9","2","7","2","6","1") = "8"
    & skf18("4","9","2","7","2","7","1") = "8"
    & skf18("4","9","2","7","2","8","1") = "8"
    & skf18("4","9","2","7","2","9","1") = "8"
    & skf18("4","9","2","7","2","10","1") = "9"
    & skf18("4","9","2","7","3","1","1") = "8"
    & skf18("4","9","2","7","3","2","1") = "8"
    & skf18("4","9","2","7","3","3","1") = "8"
    & skf18("4","9","2","7","3","4","1") = "8"
    & skf18("4","9","2","7","3","5","1") = "8"
    & skf18("4","9","2","7","3","6","1") = "8"
    & skf18("4","9","2","7","3","7","1") = "8"
    & skf18("4","9","2","7","3","8","1") = "8"
    & skf18("4","9","2","7","3","9","1") = "8"
    & skf18("4","9","2","7","3","10","1") = "9"
    & skf18("4","9","2","7","4","1","1") = "8"
    & skf18("4","9","2","7","4","2","1") = "8"
    & skf18("4","9","2","7","4","3","1") = "8"
    & skf18("4","9","2","7","4","4","1") = "8"
    & skf18("4","9","2","7","4","5","1") = "8"
    & skf18("4","9","2","7","4","6","1") = "8"
    & skf18("4","9","2","7","4","7","1") = "8"
    & skf18("4","9","2","7","4","8","1") = "8"
    & skf18("4","9","2","7","4","9","1") = "8"
    & skf18("4","9","2","7","4","10","1") = "9"
    & skf18("4","9","2","7","5","1","1") = "8"
    & skf18("4","9","2","7","5","2","1") = "8"
    & skf18("4","9","2","7","5","3","1") = "8"
    & skf18("4","9","2","7","5","4","1") = "8"
    & skf18("4","9","2","7","5","5","1") = "8"
    & skf18("4","9","2","7","5","6","1") = "8"
    & skf18("4","9","2","7","5","7","1") = "8"
    & skf18("4","9","2","7","5","8","1") = "8"
    & skf18("4","9","2","7","5","9","1") = "8"
    & skf18("4","9","2","7","5","10","1") = "9"
    & skf18("4","9","2","7","6","1","1") = "8"
    & skf18("4","9","2","7","6","2","1") = "8"
    & skf18("4","9","2","7","6","3","1") = "8"
    & skf18("4","9","2","7","6","4","1") = "8"
    & skf18("4","9","2","7","6","5","1") = "8"
    & skf18("4","9","2","7","6","6","1") = "8"
    & skf18("4","9","2","7","6","7","1") = "8"
    & skf18("4","9","2","7","6","8","1") = "8"
    & skf18("4","9","2","7","6","9","1") = "8"
    & skf18("4","9","2","7","6","10","1") = "9"
    & skf18("4","9","2","7","7","1","1") = "8"
    & skf18("4","9","2","7","7","2","1") = "8"
    & skf18("4","9","2","7","7","3","1") = "8"
    & skf18("4","9","2","7","7","4","1") = "8"
    & skf18("4","9","2","7","7","5","1") = "8"
    & skf18("4","9","2","7","7","6","1") = "8"
    & skf18("4","9","2","7","7","7","1") = "8"
    & skf18("4","9","2","7","7","8","1") = "8"
    & skf18("4","9","2","7","7","9","1") = "8"
    & skf18("4","9","2","7","7","10","1") = "9"
    & skf18("4","9","2","7","8","1","1") = "8"
    & skf18("4","9","2","7","8","2","1") = "8"
    & skf18("4","9","2","7","8","3","1") = "8"
    & skf18("4","9","2","7","8","4","1") = "8"
    & skf18("4","9","2","7","8","5","1") = "8"
    & skf18("4","9","2","7","8","6","1") = "8"
    & skf18("4","9","2","7","8","7","1") = "8"
    & skf18("4","9","2","7","8","8","1") = "8"
    & skf18("4","9","2","7","8","9","1") = "8"
    & skf18("4","9","2","7","8","10","1") = "9"
    & skf18("4","9","2","7","9","1","1") = "8"
    & skf18("4","9","2","7","9","2","1") = "8"
    & skf18("4","9","2","7","9","3","1") = "8"
    & skf18("4","9","2","7","9","4","1") = "8"
    & skf18("4","9","2","7","9","5","1") = "8"
    & skf18("4","9","2","7","9","6","1") = "8"
    & skf18("4","9","2","7","9","7","1") = "8"
    & skf18("4","9","2","7","9","8","1") = "8"
    & skf18("4","9","2","7","9","9","1") = "8"
    & skf18("4","9","2","7","9","10","1") = "9"
    & skf18("4","9","2","7","10","1","1") = "9"
    & skf18("4","9","2","7","10","2","1") = "9"
    & skf18("4","9","2","7","10","3","1") = "9"
    & skf18("4","9","2","7","10","4","1") = "9"
    & skf18("4","9","2","7","10","5","1") = "9"
    & skf18("4","9","2","7","10","6","1") = "9"
    & skf18("4","9","2","7","10","7","1") = "9"
    & skf18("4","9","2","7","10","8","1") = "9"
    & skf18("4","9","2","7","10","9","1") = "9"
    & skf18("4","9","2","7","10","10","1") = "9"
    & skf18("4","9","2","8","1","1","1") = "8"
    & skf18("4","9","2","8","1","2","1") = "8"
    & skf18("4","9","2","8","1","3","1") = "8"
    & skf18("4","9","2","8","1","4","1") = "8"
    & skf18("4","9","2","8","1","5","1") = "8"
    & skf18("4","9","2","8","1","6","1") = "8"
    & skf18("4","9","2","8","1","7","1") = "8"
    & skf18("4","9","2","8","1","8","1") = "8"
    & skf18("4","9","2","8","1","9","1") = "8"
    & skf18("4","9","2","8","1","10","1") = "9"
    & skf18("4","9","2","8","2","1","1") = "8"
    & skf18("4","9","2","8","2","2","1") = "8"
    & skf18("4","9","2","8","2","3","1") = "8"
    & skf18("4","9","2","8","2","4","1") = "8"
    & skf18("4","9","2","8","2","5","1") = "8"
    & skf18("4","9","2","8","2","6","1") = "8"
    & skf18("4","9","2","8","2","7","1") = "8"
    & skf18("4","9","2","8","2","8","1") = "8"
    & skf18("4","9","2","8","2","9","1") = "8"
    & skf18("4","9","2","8","2","10","1") = "9"
    & skf18("4","9","2","8","3","1","1") = "8"
    & skf18("4","9","2","8","3","2","1") = "8"
    & skf18("4","9","2","8","3","3","1") = "8"
    & skf18("4","9","2","8","3","4","1") = "8"
    & skf18("4","9","2","8","3","5","1") = "8"
    & skf18("4","9","2","8","3","6","1") = "8"
    & skf18("4","9","2","8","3","7","1") = "8"
    & skf18("4","9","2","8","3","8","1") = "8"
    & skf18("4","9","2","8","3","9","1") = "8"
    & skf18("4","9","2","8","3","10","1") = "9"
    & skf18("4","9","2","8","4","1","1") = "8"
    & skf18("4","9","2","8","4","2","1") = "8"
    & skf18("4","9","2","8","4","3","1") = "8"
    & skf18("4","9","2","8","4","4","1") = "8"
    & skf18("4","9","2","8","4","5","1") = "8"
    & skf18("4","9","2","8","4","6","1") = "8"
    & skf18("4","9","2","8","4","7","1") = "8"
    & skf18("4","9","2","8","4","8","1") = "8"
    & skf18("4","9","2","8","4","9","1") = "8"
    & skf18("4","9","2","8","4","10","1") = "9"
    & skf18("4","9","2","8","5","1","1") = "8"
    & skf18("4","9","2","8","5","2","1") = "8"
    & skf18("4","9","2","8","5","3","1") = "8"
    & skf18("4","9","2","8","5","4","1") = "8"
    & skf18("4","9","2","8","5","5","1") = "8"
    & skf18("4","9","2","8","5","6","1") = "8"
    & skf18("4","9","2","8","5","7","1") = "8"
    & skf18("4","9","2","8","5","8","1") = "8"
    & skf18("4","9","2","8","5","9","1") = "8"
    & skf18("4","9","2","8","5","10","1") = "9"
    & skf18("4","9","2","8","6","1","1") = "8"
    & skf18("4","9","2","8","6","2","1") = "8"
    & skf18("4","9","2","8","6","3","1") = "8"
    & skf18("4","9","2","8","6","4","1") = "8"
    & skf18("4","9","2","8","6","5","1") = "8"
    & skf18("4","9","2","8","6","6","1") = "8"
    & skf18("4","9","2","8","6","7","1") = "8"
    & skf18("4","9","2","8","6","8","1") = "8"
    & skf18("4","9","2","8","6","9","1") = "8"
    & skf18("4","9","2","8","6","10","1") = "9"
    & skf18("4","9","2","8","7","1","1") = "8"
    & skf18("4","9","2","8","7","2","1") = "8"
    & skf18("4","9","2","8","7","3","1") = "8"
    & skf18("4","9","2","8","7","4","1") = "8"
    & skf18("4","9","2","8","7","5","1") = "8"
    & skf18("4","9","2","8","7","6","1") = "8"
    & skf18("4","9","2","8","7","7","1") = "8"
    & skf18("4","9","2","8","7","8","1") = "8"
    & skf18("4","9","2","8","7","9","1") = "8"
    & skf18("4","9","2","8","7","10","1") = "9"
    & skf18("4","9","2","8","8","1","1") = "8"
    & skf18("4","9","2","8","8","2","1") = "8"
    & skf18("4","9","2","8","8","3","1") = "8"
    & skf18("4","9","2","8","8","4","1") = "8"
    & skf18("4","9","2","8","8","5","1") = "8"
    & skf18("4","9","2","8","8","6","1") = "8"
    & skf18("4","9","2","8","8","7","1") = "8"
    & skf18("4","9","2","8","8","8","1") = "8"
    & skf18("4","9","2","8","8","9","1") = "8"
    & skf18("4","9","2","8","8","10","1") = "9"
    & skf18("4","9","2","8","9","1","1") = "8"
    & skf18("4","9","2","8","9","2","1") = "8"
    & skf18("4","9","2","8","9","3","1") = "8"
    & skf18("4","9","2","8","9","4","1") = "8"
    & skf18("4","9","2","8","9","5","1") = "8"
    & skf18("4","9","2","8","9","6","1") = "8"
    & skf18("4","9","2","8","9","7","1") = "8"
    & skf18("4","9","2","8","9","8","1") = "8"
    & skf18("4","9","2","8","9","9","1") = "8"
    & skf18("4","9","2","8","9","10","1") = "9"
    & skf18("4","9","2","8","10","1","1") = "9"
    & skf18("4","9","2","8","10","2","1") = "9"
    & skf18("4","9","2","8","10","3","1") = "9"
    & skf18("4","9","2","8","10","4","1") = "9"
    & skf18("4","9","2","8","10","5","1") = "9"
    & skf18("4","9","2","8","10","6","1") = "9"
    & skf18("4","9","2","8","10","7","1") = "9"
    & skf18("4","9","2","8","10","8","1") = "9"
    & skf18("4","9","2","8","10","9","1") = "9"
    & skf18("4","9","2","8","10","10","1") = "9"
    & skf18("4","9","2","9","1","1","1") = "8"
    & skf18("4","9","2","9","1","2","1") = "8"
    & skf18("4","9","2","9","1","3","1") = "8"
    & skf18("4","9","2","9","1","4","1") = "8"
    & skf18("4","9","2","9","1","5","1") = "8"
    & skf18("4","9","2","9","1","6","1") = "8"
    & skf18("4","9","2","9","1","7","1") = "8"
    & skf18("4","9","2","9","1","8","1") = "8"
    & skf18("4","9","2","9","1","9","1") = "8"
    & skf18("4","9","2","9","1","10","1") = "9"
    & skf18("4","9","2","9","2","1","1") = "8"
    & skf18("4","9","2","9","2","2","1") = "8"
    & skf18("4","9","2","9","2","3","1") = "8"
    & skf18("4","9","2","9","2","4","1") = "8"
    & skf18("4","9","2","9","2","5","1") = "8"
    & skf18("4","9","2","9","2","6","1") = "8"
    & skf18("4","9","2","9","2","7","1") = "8"
    & skf18("4","9","2","9","2","8","1") = "8"
    & skf18("4","9","2","9","2","9","1") = "8"
    & skf18("4","9","2","9","2","10","1") = "9"
    & skf18("4","9","2","9","3","1","1") = "8"
    & skf18("4","9","2","9","3","2","1") = "8"
    & skf18("4","9","2","9","3","3","1") = "8"
    & skf18("4","9","2","9","3","4","1") = "8"
    & skf18("4","9","2","9","3","5","1") = "8"
    & skf18("4","9","2","9","3","6","1") = "8"
    & skf18("4","9","2","9","3","7","1") = "8"
    & skf18("4","9","2","9","3","8","1") = "8"
    & skf18("4","9","2","9","3","9","1") = "8"
    & skf18("4","9","2","9","3","10","1") = "9"
    & skf18("4","9","2","9","4","1","1") = "8"
    & skf18("4","9","2","9","4","2","1") = "8"
    & skf18("4","9","2","9","4","3","1") = "8"
    & skf18("4","9","2","9","4","4","1") = "8"
    & skf18("4","9","2","9","4","5","1") = "8"
    & skf18("4","9","2","9","4","6","1") = "8"
    & skf18("4","9","2","9","4","7","1") = "8"
    & skf18("4","9","2","9","4","8","1") = "8"
    & skf18("4","9","2","9","4","9","1") = "8"
    & skf18("4","9","2","9","4","10","1") = "9"
    & skf18("4","9","2","9","5","1","1") = "8"
    & skf18("4","9","2","9","5","2","1") = "8"
    & skf18("4","9","2","9","5","3","1") = "8"
    & skf18("4","9","2","9","5","4","1") = "8"
    & skf18("4","9","2","9","5","5","1") = "8"
    & skf18("4","9","2","9","5","6","1") = "8"
    & skf18("4","9","2","9","5","7","1") = "8"
    & skf18("4","9","2","9","5","8","1") = "8"
    & skf18("4","9","2","9","5","9","1") = "8"
    & skf18("4","9","2","9","5","10","1") = "9"
    & skf18("4","9","2","9","6","1","1") = "8"
    & skf18("4","9","2","9","6","2","1") = "8"
    & skf18("4","9","2","9","6","3","1") = "8"
    & skf18("4","9","2","9","6","4","1") = "8"
    & skf18("4","9","2","9","6","5","1") = "8"
    & skf18("4","9","2","9","6","6","1") = "8"
    & skf18("4","9","2","9","6","7","1") = "8"
    & skf18("4","9","2","9","6","8","1") = "8"
    & skf18("4","9","2","9","6","9","1") = "8"
    & skf18("4","9","2","9","6","10","1") = "9"
    & skf18("4","9","2","9","7","1","1") = "8"
    & skf18("4","9","2","9","7","2","1") = "8"
    & skf18("4","9","2","9","7","3","1") = "8"
    & skf18("4","9","2","9","7","4","1") = "8"
    & skf18("4","9","2","9","7","5","1") = "8"
    & skf18("4","9","2","9","7","6","1") = "8"
    & skf18("4","9","2","9","7","7","1") = "8"
    & skf18("4","9","2","9","7","8","1") = "8"
    & skf18("4","9","2","9","7","9","1") = "8"
    & skf18("4","9","2","9","7","10","1") = "9"
    & skf18("4","9","2","9","8","1","1") = "8"
    & skf18("4","9","2","9","8","2","1") = "8"
    & skf18("4","9","2","9","8","3","1") = "8"
    & skf18("4","9","2","9","8","4","1") = "8"
    & skf18("4","9","2","9","8","5","1") = "8"
    & skf18("4","9","2","9","8","6","1") = "8"
    & skf18("4","9","2","9","8","7","1") = "8"
    & skf18("4","9","2","9","8","8","1") = "8"
    & skf18("4","9","2","9","8","9","1") = "8"
    & skf18("4","9","2","9","8","10","1") = "9"
    & skf18("4","9","2","9","9","1","1") = "8"
    & skf18("4","9","2","9","9","2","1") = "8"
    & skf18("4","9","2","9","9","3","1") = "8"
    & skf18("4","9","2","9","9","4","1") = "8"
    & skf18("4","9","2","9","9","5","1") = "8"
    & skf18("4","9","2","9","9","6","1") = "8"
    & skf18("4","9","2","9","9","7","1") = "8"
    & skf18("4","9","2","9","9","8","1") = "8"
    & skf18("4","9","2","9","9","9","1") = "8"
    & skf18("4","9","2","9","9","10","1") = "9"
    & skf18("4","9","2","9","10","1","1") = "9"
    & skf18("4","9","2","9","10","2","1") = "9"
    & skf18("4","9","2","9","10","3","1") = "9"
    & skf18("4","9","2","9","10","4","1") = "9"
    & skf18("4","9","2","9","10","5","1") = "9"
    & skf18("4","9","2","9","10","6","1") = "9"
    & skf18("4","9","2","9","10","7","1") = "9"
    & skf18("4","9","2","9","10","8","1") = "9"
    & skf18("4","9","2","9","10","9","1") = "9"
    & skf18("4","9","2","9","10","10","1") = "9"
    & skf18("4","9","2","10","1","1","1") = "9"
    & skf18("4","9","2","10","1","2","1") = "9"
    & skf18("4","9","2","10","1","3","1") = "9"
    & skf18("4","9","2","10","1","4","1") = "9"
    & skf18("4","9","2","10","1","5","1") = "9"
    & skf18("4","9","2","10","1","6","1") = "9"
    & skf18("4","9","2","10","1","7","1") = "9"
    & skf18("4","9","2","10","1","8","1") = "9"
    & skf18("4","9","2","10","1","9","1") = "9"
    & skf18("4","9","2","10","1","10","1") = "9"
    & skf18("4","9","2","10","2","1","1") = "9"
    & skf18("4","9","2","10","2","2","1") = "9"
    & skf18("4","9","2","10","2","3","1") = "9"
    & skf18("4","9","2","10","2","4","1") = "9"
    & skf18("4","9","2","10","2","5","1") = "9"
    & skf18("4","9","2","10","2","6","1") = "9"
    & skf18("4","9","2","10","2","7","1") = "9"
    & skf18("4","9","2","10","2","8","1") = "9"
    & skf18("4","9","2","10","2","9","1") = "9"
    & skf18("4","9","2","10","2","10","1") = "9"
    & skf18("4","9","2","10","3","1","1") = "9"
    & skf18("4","9","2","10","3","2","1") = "9"
    & skf18("4","9","2","10","3","3","1") = "9"
    & skf18("4","9","2","10","3","4","1") = "9"
    & skf18("4","9","2","10","3","5","1") = "9"
    & skf18("4","9","2","10","3","6","1") = "9"
    & skf18("4","9","2","10","3","7","1") = "9"
    & skf18("4","9","2","10","3","8","1") = "9"
    & skf18("4","9","2","10","3","9","1") = "9"
    & skf18("4","9","2","10","3","10","1") = "9"
    & skf18("4","9","2","10","4","1","1") = "9"
    & skf18("4","9","2","10","4","2","1") = "9"
    & skf18("4","9","2","10","4","3","1") = "9"
    & skf18("4","9","2","10","4","4","1") = "9"
    & skf18("4","9","2","10","4","5","1") = "9"
    & skf18("4","9","2","10","4","6","1") = "9"
    & skf18("4","9","2","10","4","7","1") = "9"
    & skf18("4","9","2","10","4","8","1") = "9"
    & skf18("4","9","2","10","4","9","1") = "9"
    & skf18("4","9","2","10","4","10","1") = "9"
    & skf18("4","9","2","10","5","1","1") = "9"
    & skf18("4","9","2","10","5","2","1") = "9"
    & skf18("4","9","2","10","5","3","1") = "9"
    & skf18("4","9","2","10","5","4","1") = "9"
    & skf18("4","9","2","10","5","5","1") = "9"
    & skf18("4","9","2","10","5","6","1") = "9"
    & skf18("4","9","2","10","5","7","1") = "9"
    & skf18("4","9","2","10","5","8","1") = "9"
    & skf18("4","9","2","10","5","9","1") = "9"
    & skf18("4","9","2","10","5","10","1") = "9"
    & skf18("4","9","2","10","6","1","1") = "9"
    & skf18("4","9","2","10","6","2","1") = "9"
    & skf18("4","9","2","10","6","3","1") = "9"
    & skf18("4","9","2","10","6","4","1") = "9"
    & skf18("4","9","2","10","6","5","1") = "9"
    & skf18("4","9","2","10","6","6","1") = "9"
    & skf18("4","9","2","10","6","7","1") = "9"
    & skf18("4","9","2","10","6","8","1") = "9"
    & skf18("4","9","2","10","6","9","1") = "9"
    & skf18("4","9","2","10","6","10","1") = "9"
    & skf18("4","9","2","10","7","1","1") = "9"
    & skf18("4","9","2","10","7","2","1") = "9"
    & skf18("4","9","2","10","7","3","1") = "9"
    & skf18("4","9","2","10","7","4","1") = "9"
    & skf18("4","9","2","10","7","5","1") = "9"
    & skf18("4","9","2","10","7","6","1") = "9"
    & skf18("4","9","2","10","7","7","1") = "9"
    & skf18("4","9","2","10","7","8","1") = "9"
    & skf18("4","9","2","10","7","9","1") = "9"
    & skf18("4","9","2","10","7","10","1") = "9"
    & skf18("4","9","2","10","8","1","1") = "9"
    & skf18("4","9","2","10","8","2","1") = "9"
    & skf18("4","9","2","10","8","3","1") = "9"
    & skf18("4","9","2","10","8","4","1") = "9"
    & skf18("4","9","2","10","8","5","1") = "9"
    & skf18("4","9","2","10","8","6","1") = "9"
    & skf18("4","9","2","10","8","7","1") = "9"
    & skf18("4","9","2","10","8","8","1") = "9"
    & skf18("4","9","2","10","8","9","1") = "9"
    & skf18("4","9","2","10","8","10","1") = "9"
    & skf18("4","9","2","10","9","1","1") = "9"
    & skf18("4","9","2","10","9","2","1") = "9"
    & skf18("4","9","2","10","9","3","1") = "9"
    & skf18("4","9","2","10","9","4","1") = "9"
    & skf18("4","9","2","10","9","5","1") = "9"
    & skf18("4","9","2","10","9","6","1") = "9"
    & skf18("4","9","2","10","9","7","1") = "9"
    & skf18("4","9","2","10","9","8","1") = "9"
    & skf18("4","9","2","10","9","9","1") = "9"
    & skf18("4","9","2","10","9","10","1") = "9"
    & skf18("4","9","2","10","10","1","1") = "9"
    & skf18("4","9","2","10","10","2","1") = "9"
    & skf18("4","9","2","10","10","3","1") = "9"
    & skf18("4","9","2","10","10","4","1") = "9"
    & skf18("4","9","2","10","10","5","1") = "9"
    & skf18("4","9","2","10","10","6","1") = "9"
    & skf18("4","9","2","10","10","7","1") = "9"
    & skf18("4","9","2","10","10","8","1") = "9"
    & skf18("4","9","2","10","10","9","1") = "9"
    & skf18("4","9","2","10","10","10","1") = "9"
    & skf18("4","9","3","1","1","1","1") = "8"
    & skf18("4","9","3","1","1","2","1") = "8"
    & skf18("4","9","3","1","1","3","1") = "8"
    & skf18("4","9","3","1","1","4","1") = "8"
    & skf18("4","9","3","1","1","5","1") = "8"
    & skf18("4","9","3","1","1","6","1") = "8"
    & skf18("4","9","3","1","1","7","1") = "8"
    & skf18("4","9","3","1","1","8","1") = "8"
    & skf18("4","9","3","1","1","9","1") = "8"
    & skf18("4","9","3","1","1","10","1") = "9"
    & skf18("4","9","3","1","2","1","1") = "8"
    & skf18("4","9","3","1","2","2","1") = "8"
    & skf18("4","9","3","1","2","3","1") = "8"
    & skf18("4","9","3","1","2","4","1") = "8"
    & skf18("4","9","3","1","2","5","1") = "8"
    & skf18("4","9","3","1","2","6","1") = "8"
    & skf18("4","9","3","1","2","7","1") = "8"
    & skf18("4","9","3","1","2","8","1") = "8"
    & skf18("4","9","3","1","2","9","1") = "8"
    & skf18("4","9","3","1","2","10","1") = "9"
    & skf18("4","9","3","1","3","1","1") = "8"
    & skf18("4","9","3","1","3","2","1") = "8"
    & skf18("4","9","3","1","3","3","1") = "8"
    & skf18("4","9","3","1","3","4","1") = "8"
    & skf18("4","9","3","1","3","5","1") = "8"
    & skf18("4","9","3","1","3","6","1") = "8"
    & skf18("4","9","3","1","3","7","1") = "8"
    & skf18("4","9","3","1","3","8","1") = "8"
    & skf18("4","9","3","1","3","9","1") = "8"
    & skf18("4","9","3","1","3","10","1") = "9"
    & skf18("4","9","3","1","4","1","1") = "8"
    & skf18("4","9","3","1","4","2","1") = "8"
    & skf18("4","9","3","1","4","3","1") = "8"
    & skf18("4","9","3","1","4","4","1") = "8"
    & skf18("4","9","3","1","4","5","1") = "8"
    & skf18("4","9","3","1","4","6","1") = "8"
    & skf18("4","9","3","1","4","7","1") = "8"
    & skf18("4","9","3","1","4","8","1") = "8"
    & skf18("4","9","3","1","4","9","1") = "8"
    & skf18("4","9","3","1","4","10","1") = "9"
    & skf18("4","9","3","1","5","1","1") = "8"
    & skf18("4","9","3","1","5","2","1") = "8"
    & skf18("4","9","3","1","5","3","1") = "8"
    & skf18("4","9","3","1","5","4","1") = "8"
    & skf18("4","9","3","1","5","5","1") = "8"
    & skf18("4","9","3","1","5","6","1") = "8"
    & skf18("4","9","3","1","5","7","1") = "8"
    & skf18("4","9","3","1","5","8","1") = "8"
    & skf18("4","9","3","1","5","9","1") = "8"
    & skf18("4","9","3","1","5","10","1") = "9"
    & skf18("4","9","3","1","6","1","1") = "8"
    & skf18("4","9","3","1","6","2","1") = "8"
    & skf18("4","9","3","1","6","3","1") = "8"
    & skf18("4","9","3","1","6","4","1") = "8"
    & skf18("4","9","3","1","6","5","1") = "8"
    & skf18("4","9","3","1","6","6","1") = "8"
    & skf18("4","9","3","1","6","7","1") = "8"
    & skf18("4","9","3","1","6","8","1") = "8"
    & skf18("4","9","3","1","6","9","1") = "8"
    & skf18("4","9","3","1","6","10","1") = "9"
    & skf18("4","9","3","1","7","1","1") = "8"
    & skf18("4","9","3","1","7","2","1") = "8"
    & skf18("4","9","3","1","7","3","1") = "8"
    & skf18("4","9","3","1","7","4","1") = "8"
    & skf18("4","9","3","1","7","5","1") = "8"
    & skf18("4","9","3","1","7","6","1") = "8"
    & skf18("4","9","3","1","7","7","1") = "8"
    & skf18("4","9","3","1","7","8","1") = "8"
    & skf18("4","9","3","1","7","9","1") = "8"
    & skf18("4","9","3","1","7","10","1") = "9"
    & skf18("4","9","3","1","8","1","1") = "8"
    & skf18("4","9","3","1","8","2","1") = "8"
    & skf18("4","9","3","1","8","3","1") = "8"
    & skf18("4","9","3","1","8","4","1") = "8"
    & skf18("4","9","3","1","8","5","1") = "8"
    & skf18("4","9","3","1","8","6","1") = "8"
    & skf18("4","9","3","1","8","7","1") = "8"
    & skf18("4","9","3","1","8","8","1") = "8"
    & skf18("4","9","3","1","8","9","1") = "8"
    & skf18("4","9","3","1","8","10","1") = "9"
    & skf18("4","9","3","1","9","1","1") = "8"
    & skf18("4","9","3","1","9","2","1") = "8"
    & skf18("4","9","3","1","9","3","1") = "8"
    & skf18("4","9","3","1","9","4","1") = "8"
    & skf18("4","9","3","1","9","5","1") = "8"
    & skf18("4","9","3","1","9","6","1") = "8"
    & skf18("4","9","3","1","9","7","1") = "8"
    & skf18("4","9","3","1","9","8","1") = "8"
    & skf18("4","9","3","1","9","9","1") = "8"
    & skf18("4","9","3","1","9","10","1") = "9"
    & skf18("4","9","3","1","10","1","1") = "9"
    & skf18("4","9","3","1","10","2","1") = "9"
    & skf18("4","9","3","1","10","3","1") = "9"
    & skf18("4","9","3","1","10","4","1") = "9"
    & skf18("4","9","3","1","10","5","1") = "9"
    & skf18("4","9","3","1","10","6","1") = "9"
    & skf18("4","9","3","1","10","7","1") = "9"
    & skf18("4","9","3","1","10","8","1") = "9"
    & skf18("4","9","3","1","10","9","1") = "9"
    & skf18("4","9","3","1","10","10","1") = "9"
    & skf18("4","9","3","2","1","1","1") = "8"
    & skf18("4","9","3","2","1","2","1") = "8"
    & skf18("4","9","3","2","1","3","1") = "8"
    & skf18("4","9","3","2","1","4","1") = "8"
    & skf18("4","9","3","2","1","5","1") = "8"
    & skf18("4","9","3","2","1","6","1") = "8"
    & skf18("4","9","3","2","1","7","1") = "8"
    & skf18("4","9","3","2","1","8","1") = "8"
    & skf18("4","9","3","2","1","9","1") = "8"
    & skf18("4","9","3","2","1","10","1") = "9"
    & skf18("4","9","3","2","2","1","1") = "8"
    & skf18("4","9","3","2","2","2","1") = "8"
    & skf18("4","9","3","2","2","3","1") = "8"
    & skf18("4","9","3","2","2","4","1") = "8"
    & skf18("4","9","3","2","2","5","1") = "8"
    & skf18("4","9","3","2","2","6","1") = "8"
    & skf18("4","9","3","2","2","7","1") = "8"
    & skf18("4","9","3","2","2","8","1") = "8"
    & skf18("4","9","3","2","2","9","1") = "8"
    & skf18("4","9","3","2","2","10","1") = "9"
    & skf18("4","9","3","2","3","1","1") = "8"
    & skf18("4","9","3","2","3","2","1") = "8"
    & skf18("4","9","3","2","3","3","1") = "8"
    & skf18("4","9","3","2","3","4","1") = "8"
    & skf18("4","9","3","2","3","5","1") = "8"
    & skf18("4","9","3","2","3","6","1") = "8"
    & skf18("4","9","3","2","3","7","1") = "8"
    & skf18("4","9","3","2","3","8","1") = "8"
    & skf18("4","9","3","2","3","9","1") = "8"
    & skf18("4","9","3","2","3","10","1") = "9"
    & skf18("4","9","3","2","4","1","1") = "8"
    & skf18("4","9","3","2","4","2","1") = "8"
    & skf18("4","9","3","2","4","3","1") = "8"
    & skf18("4","9","3","2","4","4","1") = "8"
    & skf18("4","9","3","2","4","5","1") = "8"
    & skf18("4","9","3","2","4","6","1") = "8"
    & skf18("4","9","3","2","4","7","1") = "8"
    & skf18("4","9","3","2","4","8","1") = "8"
    & skf18("4","9","3","2","4","9","1") = "8"
    & skf18("4","9","3","2","4","10","1") = "9"
    & skf18("4","9","3","2","5","1","1") = "8"
    & skf18("4","9","3","2","5","2","1") = "8"
    & skf18("4","9","3","2","5","3","1") = "8"
    & skf18("4","9","3","2","5","4","1") = "8"
    & skf18("4","9","3","2","5","5","1") = "8"
    & skf18("4","9","3","2","5","6","1") = "8"
    & skf18("4","9","3","2","5","7","1") = "8"
    & skf18("4","9","3","2","5","8","1") = "8"
    & skf18("4","9","3","2","5","9","1") = "8"
    & skf18("4","9","3","2","5","10","1") = "9"
    & skf18("4","9","3","2","6","1","1") = "8"
    & skf18("4","9","3","2","6","2","1") = "8"
    & skf18("4","9","3","2","6","3","1") = "8"
    & skf18("4","9","3","2","6","4","1") = "8"
    & skf18("4","9","3","2","6","5","1") = "8"
    & skf18("4","9","3","2","6","6","1") = "8"
    & skf18("4","9","3","2","6","7","1") = "8"
    & skf18("4","9","3","2","6","8","1") = "8"
    & skf18("4","9","3","2","6","9","1") = "8"
    & skf18("4","9","3","2","6","10","1") = "9"
    & skf18("4","9","3","2","7","1","1") = "8"
    & skf18("4","9","3","2","7","2","1") = "8"
    & skf18("4","9","3","2","7","3","1") = "8"
    & skf18("4","9","3","2","7","4","1") = "8"
    & skf18("4","9","3","2","7","5","1") = "8"
    & skf18("4","9","3","2","7","6","1") = "8"
    & skf18("4","9","3","2","7","7","1") = "8"
    & skf18("4","9","3","2","7","8","1") = "8"
    & skf18("4","9","3","2","7","9","1") = "8"
    & skf18("4","9","3","2","7","10","1") = "9"
    & skf18("4","9","3","2","8","1","1") = "8"
    & skf18("4","9","3","2","8","2","1") = "8"
    & skf18("4","9","3","2","8","3","1") = "8"
    & skf18("4","9","3","2","8","4","1") = "8"
    & skf18("4","9","3","2","8","5","1") = "8"
    & skf18("4","9","3","2","8","6","1") = "8"
    & skf18("4","9","3","2","8","7","1") = "8"
    & skf18("4","9","3","2","8","8","1") = "8"
    & skf18("4","9","3","2","8","9","1") = "8"
    & skf18("4","9","3","2","8","10","1") = "9"
    & skf18("4","9","3","2","9","1","1") = "8"
    & skf18("4","9","3","2","9","2","1") = "8"
    & skf18("4","9","3","2","9","3","1") = "8"
    & skf18("4","9","3","2","9","4","1") = "8"
    & skf18("4","9","3","2","9","5","1") = "8"
    & skf18("4","9","3","2","9","6","1") = "8"
    & skf18("4","9","3","2","9","7","1") = "8"
    & skf18("4","9","3","2","9","8","1") = "8"
    & skf18("4","9","3","2","9","9","1") = "8"
    & skf18("4","9","3","2","9","10","1") = "9"
    & skf18("4","9","3","2","10","1","1") = "9"
    & skf18("4","9","3","2","10","2","1") = "9"
    & skf18("4","9","3","2","10","3","1") = "9"
    & skf18("4","9","3","2","10","4","1") = "9"
    & skf18("4","9","3","2","10","5","1") = "9"
    & skf18("4","9","3","2","10","6","1") = "9"
    & skf18("4","9","3","2","10","7","1") = "9"
    & skf18("4","9","3","2","10","8","1") = "9"
    & skf18("4","9","3","2","10","9","1") = "9"
    & skf18("4","9","3","2","10","10","1") = "9"
    & skf18("4","9","3","3","1","1","1") = "8"
    & skf18("4","9","3","3","1","2","1") = "8"
    & skf18("4","9","3","3","1","3","1") = "8"
    & skf18("4","9","3","3","1","4","1") = "8"
    & skf18("4","9","3","3","1","5","1") = "8"
    & skf18("4","9","3","3","1","6","1") = "8"
    & skf18("4","9","3","3","1","7","1") = "8"
    & skf18("4","9","3","3","1","8","1") = "8"
    & skf18("4","9","3","3","1","9","1") = "8"
    & skf18("4","9","3","3","1","10","1") = "9"
    & skf18("4","9","3","3","2","1","1") = "8"
    & skf18("4","9","3","3","2","2","1") = "8"
    & skf18("4","9","3","3","2","3","1") = "8"
    & skf18("4","9","3","3","2","4","1") = "8"
    & skf18("4","9","3","3","2","5","1") = "8"
    & skf18("4","9","3","3","2","6","1") = "8"
    & skf18("4","9","3","3","2","7","1") = "8"
    & skf18("4","9","3","3","2","8","1") = "8"
    & skf18("4","9","3","3","2","9","1") = "8"
    & skf18("4","9","3","3","2","10","1") = "9"
    & skf18("4","9","3","3","3","1","1") = "8"
    & skf18("4","9","3","3","3","2","1") = "8"
    & skf18("4","9","3","3","3","3","1") = "8"
    & skf18("4","9","3","3","3","4","1") = "8"
    & skf18("4","9","3","3","3","5","1") = "8"
    & skf18("4","9","3","3","3","6","1") = "8"
    & skf18("4","9","3","3","3","7","1") = "8"
    & skf18("4","9","3","3","3","8","1") = "8"
    & skf18("4","9","3","3","3","9","1") = "8"
    & skf18("4","9","3","3","3","10","1") = "9"
    & skf18("4","9","3","3","4","1","1") = "8"
    & skf18("4","9","3","3","4","2","1") = "8"
    & skf18("4","9","3","3","4","3","1") = "8"
    & skf18("4","9","3","3","4","4","1") = "8"
    & skf18("4","9","3","3","4","5","1") = "8"
    & skf18("4","9","3","3","4","6","1") = "8"
    & skf18("4","9","3","3","4","7","1") = "8"
    & skf18("4","9","3","3","4","8","1") = "8"
    & skf18("4","9","3","3","4","9","1") = "8"
    & skf18("4","9","3","3","4","10","1") = "9"
    & skf18("4","9","3","3","5","1","1") = "8"
    & skf18("4","9","3","3","5","2","1") = "8"
    & skf18("4","9","3","3","5","3","1") = "8"
    & skf18("4","9","3","3","5","4","1") = "8"
    & skf18("4","9","3","3","5","5","1") = "8"
    & skf18("4","9","3","3","5","6","1") = "8"
    & skf18("4","9","3","3","5","7","1") = "8"
    & skf18("4","9","3","3","5","8","1") = "8"
    & skf18("4","9","3","3","5","9","1") = "8"
    & skf18("4","9","3","3","5","10","1") = "9"
    & skf18("4","9","3","3","6","1","1") = "8"
    & skf18("4","9","3","3","6","2","1") = "8"
    & skf18("4","9","3","3","6","3","1") = "8"
    & skf18("4","9","3","3","6","4","1") = "8"
    & skf18("4","9","3","3","6","5","1") = "8"
    & skf18("4","9","3","3","6","6","1") = "8"
    & skf18("4","9","3","3","6","7","1") = "8"
    & skf18("4","9","3","3","6","8","1") = "8"
    & skf18("4","9","3","3","6","9","1") = "8"
    & skf18("4","9","3","3","6","10","1") = "9"
    & skf18("4","9","3","3","7","1","1") = "8"
    & skf18("4","9","3","3","7","2","1") = "8"
    & skf18("4","9","3","3","7","3","1") = "8"
    & skf18("4","9","3","3","7","4","1") = "8"
    & skf18("4","9","3","3","7","5","1") = "8"
    & skf18("4","9","3","3","7","6","1") = "8"
    & skf18("4","9","3","3","7","7","1") = "8"
    & skf18("4","9","3","3","7","8","1") = "8"
    & skf18("4","9","3","3","7","9","1") = "8"
    & skf18("4","9","3","3","7","10","1") = "9"
    & skf18("4","9","3","3","8","1","1") = "8"
    & skf18("4","9","3","3","8","2","1") = "8"
    & skf18("4","9","3","3","8","3","1") = "8"
    & skf18("4","9","3","3","8","4","1") = "8"
    & skf18("4","9","3","3","8","5","1") = "8"
    & skf18("4","9","3","3","8","6","1") = "8"
    & skf18("4","9","3","3","8","7","1") = "8"
    & skf18("4","9","3","3","8","8","1") = "8"
    & skf18("4","9","3","3","8","9","1") = "8"
    & skf18("4","9","3","3","8","10","1") = "9"
    & skf18("4","9","3","3","9","1","1") = "8"
    & skf18("4","9","3","3","9","2","1") = "8"
    & skf18("4","9","3","3","9","3","1") = "8"
    & skf18("4","9","3","3","9","4","1") = "8"
    & skf18("4","9","3","3","9","5","1") = "8"
    & skf18("4","9","3","3","9","6","1") = "8"
    & skf18("4","9","3","3","9","7","1") = "8"
    & skf18("4","9","3","3","9","8","1") = "8"
    & skf18("4","9","3","3","9","9","1") = "8"
    & skf18("4","9","3","3","9","10","1") = "9"
    & skf18("4","9","3","3","10","1","1") = "9"
    & skf18("4","9","3","3","10","2","1") = "9"
    & skf18("4","9","3","3","10","3","1") = "9"
    & skf18("4","9","3","3","10","4","1") = "9"
    & skf18("4","9","3","3","10","5","1") = "9"
    & skf18("4","9","3","3","10","6","1") = "9"
    & skf18("4","9","3","3","10","7","1") = "9"
    & skf18("4","9","3","3","10","8","1") = "9"
    & skf18("4","9","3","3","10","9","1") = "9"
    & skf18("4","9","3","3","10","10","1") = "9"
    & skf18("4","9","3","4","1","1","1") = "8"
    & skf18("4","9","3","4","1","2","1") = "8"
    & skf18("4","9","3","4","1","3","1") = "8"
    & skf18("4","9","3","4","1","4","1") = "8"
    & skf18("4","9","3","4","1","5","1") = "8"
    & skf18("4","9","3","4","1","6","1") = "8"
    & skf18("4","9","3","4","1","7","1") = "8"
    & skf18("4","9","3","4","1","8","1") = "8"
    & skf18("4","9","3","4","1","9","1") = "8"
    & skf18("4","9","3","4","1","10","1") = "9"
    & skf18("4","9","3","4","2","1","1") = "8"
    & skf18("4","9","3","4","2","2","1") = "8"
    & skf18("4","9","3","4","2","3","1") = "8"
    & skf18("4","9","3","4","2","4","1") = "8"
    & skf18("4","9","3","4","2","5","1") = "8"
    & skf18("4","9","3","4","2","6","1") = "8"
    & skf18("4","9","3","4","2","7","1") = "8"
    & skf18("4","9","3","4","2","8","1") = "8"
    & skf18("4","9","3","4","2","9","1") = "8"
    & skf18("4","9","3","4","2","10","1") = "9"
    & skf18("4","9","3","4","3","1","1") = "8"
    & skf18("4","9","3","4","3","2","1") = "8"
    & skf18("4","9","3","4","3","3","1") = "8"
    & skf18("4","9","3","4","3","4","1") = "8"
    & skf18("4","9","3","4","3","5","1") = "8"
    & skf18("4","9","3","4","3","6","1") = "8"
    & skf18("4","9","3","4","3","7","1") = "8"
    & skf18("4","9","3","4","3","8","1") = "8"
    & skf18("4","9","3","4","3","9","1") = "8"
    & skf18("4","9","3","4","3","10","1") = "9"
    & skf18("4","9","3","4","4","1","1") = "8"
    & skf18("4","9","3","4","4","2","1") = "8"
    & skf18("4","9","3","4","4","3","1") = "8"
    & skf18("4","9","3","4","4","4","1") = "8"
    & skf18("4","9","3","4","4","5","1") = "8"
    & skf18("4","9","3","4","4","6","1") = "8"
    & skf18("4","9","3","4","4","7","1") = "8"
    & skf18("4","9","3","4","4","8","1") = "8"
    & skf18("4","9","3","4","4","9","1") = "8"
    & skf18("4","9","3","4","4","10","1") = "9"
    & skf18("4","9","3","4","5","1","1") = "8"
    & skf18("4","9","3","4","5","2","1") = "8"
    & skf18("4","9","3","4","5","3","1") = "8"
    & skf18("4","9","3","4","5","4","1") = "8"
    & skf18("4","9","3","4","5","5","1") = "8"
    & skf18("4","9","3","4","5","6","1") = "8"
    & skf18("4","9","3","4","5","7","1") = "8"
    & skf18("4","9","3","4","5","8","1") = "8"
    & skf18("4","9","3","4","5","9","1") = "8"
    & skf18("4","9","3","4","5","10","1") = "9"
    & skf18("4","9","3","4","6","1","1") = "8"
    & skf18("4","9","3","4","6","2","1") = "8"
    & skf18("4","9","3","4","6","3","1") = "8"
    & skf18("4","9","3","4","6","4","1") = "8"
    & skf18("4","9","3","4","6","5","1") = "8"
    & skf18("4","9","3","4","6","6","1") = "8"
    & skf18("4","9","3","4","6","7","1") = "8"
    & skf18("4","9","3","4","6","8","1") = "8"
    & skf18("4","9","3","4","6","9","1") = "8"
    & skf18("4","9","3","4","6","10","1") = "9"
    & skf18("4","9","3","4","7","1","1") = "8"
    & skf18("4","9","3","4","7","2","1") = "8"
    & skf18("4","9","3","4","7","3","1") = "8"
    & skf18("4","9","3","4","7","4","1") = "8"
    & skf18("4","9","3","4","7","5","1") = "8"
    & skf18("4","9","3","4","7","6","1") = "8"
    & skf18("4","9","3","4","7","7","1") = "8"
    & skf18("4","9","3","4","7","8","1") = "8"
    & skf18("4","9","3","4","7","9","1") = "8"
    & skf18("4","9","3","4","7","10","1") = "9"
    & skf18("4","9","3","4","8","1","1") = "8"
    & skf18("4","9","3","4","8","2","1") = "8"
    & skf18("4","9","3","4","8","3","1") = "8"
    & skf18("4","9","3","4","8","4","1") = "8"
    & skf18("4","9","3","4","8","5","1") = "8"
    & skf18("4","9","3","4","8","6","1") = "8"
    & skf18("4","9","3","4","8","7","1") = "8"
    & skf18("4","9","3","4","8","8","1") = "8"
    & skf18("4","9","3","4","8","9","1") = "8"
    & skf18("4","9","3","4","8","10","1") = "9"
    & skf18("4","9","3","4","9","1","1") = "8"
    & skf18("4","9","3","4","9","2","1") = "8"
    & skf18("4","9","3","4","9","3","1") = "8"
    & skf18("4","9","3","4","9","4","1") = "8"
    & skf18("4","9","3","4","9","5","1") = "8"
    & skf18("4","9","3","4","9","6","1") = "8"
    & skf18("4","9","3","4","9","7","1") = "8"
    & skf18("4","9","3","4","9","8","1") = "8"
    & skf18("4","9","3","4","9","9","1") = "8"
    & skf18("4","9","3","4","9","10","1") = "9"
    & skf18("4","9","3","4","10","1","1") = "9"
    & skf18("4","9","3","4","10","2","1") = "9"
    & skf18("4","9","3","4","10","3","1") = "9"
    & skf18("4","9","3","4","10","4","1") = "9"
    & skf18("4","9","3","4","10","5","1") = "9"
    & skf18("4","9","3","4","10","6","1") = "9"
    & skf18("4","9","3","4","10","7","1") = "9"
    & skf18("4","9","3","4","10","8","1") = "9"
    & skf18("4","9","3","4","10","9","1") = "9"
    & skf18("4","9","3","4","10","10","1") = "9"
    & skf18("4","9","3","5","1","1","1") = "8"
    & skf18("4","9","3","5","1","2","1") = "8"
    & skf18("4","9","3","5","1","3","1") = "8"
    & skf18("4","9","3","5","1","4","1") = "8"
    & skf18("4","9","3","5","1","5","1") = "8"
    & skf18("4","9","3","5","1","6","1") = "8"
    & skf18("4","9","3","5","1","7","1") = "8"
    & skf18("4","9","3","5","1","8","1") = "8"
    & skf18("4","9","3","5","1","9","1") = "8"
    & skf18("4","9","3","5","1","10","1") = "9"
    & skf18("4","9","3","5","2","1","1") = "8"
    & skf18("4","9","3","5","2","2","1") = "8"
    & skf18("4","9","3","5","2","3","1") = "8"
    & skf18("4","9","3","5","2","4","1") = "8"
    & skf18("4","9","3","5","2","5","1") = "8"
    & skf18("4","9","3","5","2","6","1") = "8"
    & skf18("4","9","3","5","2","7","1") = "8"
    & skf18("4","9","3","5","2","8","1") = "8"
    & skf18("4","9","3","5","2","9","1") = "8"
    & skf18("4","9","3","5","2","10","1") = "9"
    & skf18("4","9","3","5","3","1","1") = "8"
    & skf18("4","9","3","5","3","2","1") = "8"
    & skf18("4","9","3","5","3","3","1") = "8"
    & skf18("4","9","3","5","3","4","1") = "8"
    & skf18("4","9","3","5","3","5","1") = "8"
    & skf18("4","9","3","5","3","6","1") = "8"
    & skf18("4","9","3","5","3","7","1") = "8"
    & skf18("4","9","3","5","3","8","1") = "8"
    & skf18("4","9","3","5","3","9","1") = "8"
    & skf18("4","9","3","5","3","10","1") = "9"
    & skf18("4","9","3","5","4","1","1") = "8"
    & skf18("4","9","3","5","4","2","1") = "8"
    & skf18("4","9","3","5","4","3","1") = "8"
    & skf18("4","9","3","5","4","4","1") = "8"
    & skf18("4","9","3","5","4","5","1") = "8"
    & skf18("4","9","3","5","4","6","1") = "8"
    & skf18("4","9","3","5","4","7","1") = "8"
    & skf18("4","9","3","5","4","8","1") = "8"
    & skf18("4","9","3","5","4","9","1") = "8"
    & skf18("4","9","3","5","4","10","1") = "9"
    & skf18("4","9","3","5","5","1","1") = "8"
    & skf18("4","9","3","5","5","2","1") = "8"
    & skf18("4","9","3","5","5","3","1") = "8"
    & skf18("4","9","3","5","5","4","1") = "8"
    & skf18("4","9","3","5","5","5","1") = "8"
    & skf18("4","9","3","5","5","6","1") = "8"
    & skf18("4","9","3","5","5","7","1") = "8"
    & skf18("4","9","3","5","5","8","1") = "8"
    & skf18("4","9","3","5","5","9","1") = "8"
    & skf18("4","9","3","5","5","10","1") = "9"
    & skf18("4","9","3","5","6","1","1") = "8"
    & skf18("4","9","3","5","6","2","1") = "8"
    & skf18("4","9","3","5","6","3","1") = "8"
    & skf18("4","9","3","5","6","4","1") = "8"
    & skf18("4","9","3","5","6","5","1") = "8"
    & skf18("4","9","3","5","6","6","1") = "8"
    & skf18("4","9","3","5","6","7","1") = "8"
    & skf18("4","9","3","5","6","8","1") = "8"
    & skf18("4","9","3","5","6","9","1") = "8"
    & skf18("4","9","3","5","6","10","1") = "9"
    & skf18("4","9","3","5","7","1","1") = "8"
    & skf18("4","9","3","5","7","2","1") = "8"
    & skf18("4","9","3","5","7","3","1") = "8"
    & skf18("4","9","3","5","7","4","1") = "8"
    & skf18("4","9","3","5","7","5","1") = "8"
    & skf18("4","9","3","5","7","6","1") = "8"
    & skf18("4","9","3","5","7","7","1") = "8"
    & skf18("4","9","3","5","7","8","1") = "8"
    & skf18("4","9","3","5","7","9","1") = "8"
    & skf18("4","9","3","5","7","10","1") = "9"
    & skf18("4","9","3","5","8","1","1") = "8"
    & skf18("4","9","3","5","8","2","1") = "8"
    & skf18("4","9","3","5","8","3","1") = "8"
    & skf18("4","9","3","5","8","4","1") = "8"
    & skf18("4","9","3","5","8","5","1") = "8"
    & skf18("4","9","3","5","8","6","1") = "8"
    & skf18("4","9","3","5","8","7","1") = "8"
    & skf18("4","9","3","5","8","8","1") = "8"
    & skf18("4","9","3","5","8","9","1") = "8"
    & skf18("4","9","3","5","8","10","1") = "9"
    & skf18("4","9","3","5","9","1","1") = "8"
    & skf18("4","9","3","5","9","2","1") = "8"
    & skf18("4","9","3","5","9","3","1") = "8"
    & skf18("4","9","3","5","9","4","1") = "8"
    & skf18("4","9","3","5","9","5","1") = "8"
    & skf18("4","9","3","5","9","6","1") = "8"
    & skf18("4","9","3","5","9","7","1") = "8"
    & skf18("4","9","3","5","9","8","1") = "8"
    & skf18("4","9","3","5","9","9","1") = "8"
    & skf18("4","9","3","5","9","10","1") = "9"
    & skf18("4","9","3","5","10","1","1") = "9"
    & skf18("4","9","3","5","10","2","1") = "9"
    & skf18("4","9","3","5","10","3","1") = "9"
    & skf18("4","9","3","5","10","4","1") = "9"
    & skf18("4","9","3","5","10","5","1") = "9"
    & skf18("4","9","3","5","10","6","1") = "9"
    & skf18("4","9","3","5","10","7","1") = "9"
    & skf18("4","9","3","5","10","8","1") = "9"
    & skf18("4","9","3","5","10","9","1") = "9"
    & skf18("4","9","3","5","10","10","1") = "9"
    & skf18("4","9","3","6","1","1","1") = "8"
    & skf18("4","9","3","6","1","2","1") = "8"
    & skf18("4","9","3","6","1","3","1") = "8"
    & skf18("4","9","3","6","1","4","1") = "8"
    & skf18("4","9","3","6","1","5","1") = "8"
    & skf18("4","9","3","6","1","6","1") = "8"
    & skf18("4","9","3","6","1","7","1") = "8"
    & skf18("4","9","3","6","1","8","1") = "8"
    & skf18("4","9","3","6","1","9","1") = "8"
    & skf18("4","9","3","6","1","10","1") = "9"
    & skf18("4","9","3","6","2","1","1") = "8"
    & skf18("4","9","3","6","2","2","1") = "8"
    & skf18("4","9","3","6","2","3","1") = "8"
    & skf18("4","9","3","6","2","4","1") = "8"
    & skf18("4","9","3","6","2","5","1") = "8"
    & skf18("4","9","3","6","2","6","1") = "8"
    & skf18("4","9","3","6","2","7","1") = "8"
    & skf18("4","9","3","6","2","8","1") = "8"
    & skf18("4","9","3","6","2","9","1") = "8"
    & skf18("4","9","3","6","2","10","1") = "9"
    & skf18("4","9","3","6","3","1","1") = "8"
    & skf18("4","9","3","6","3","2","1") = "8"
    & skf18("4","9","3","6","3","3","1") = "8"
    & skf18("4","9","3","6","3","4","1") = "8"
    & skf18("4","9","3","6","3","5","1") = "8"
    & skf18("4","9","3","6","3","6","1") = "8"
    & skf18("4","9","3","6","3","7","1") = "8"
    & skf18("4","9","3","6","3","8","1") = "8"
    & skf18("4","9","3","6","3","9","1") = "8"
    & skf18("4","9","3","6","3","10","1") = "9"
    & skf18("4","9","3","6","4","1","1") = "8"
    & skf18("4","9","3","6","4","2","1") = "8"
    & skf18("4","9","3","6","4","3","1") = "8"
    & skf18("4","9","3","6","4","4","1") = "8"
    & skf18("4","9","3","6","4","5","1") = "8"
    & skf18("4","9","3","6","4","6","1") = "8"
    & skf18("4","9","3","6","4","7","1") = "8"
    & skf18("4","9","3","6","4","8","1") = "8"
    & skf18("4","9","3","6","4","9","1") = "8"
    & skf18("4","9","3","6","4","10","1") = "9"
    & skf18("4","9","3","6","5","1","1") = "8"
    & skf18("4","9","3","6","5","2","1") = "8"
    & skf18("4","9","3","6","5","3","1") = "8"
    & skf18("4","9","3","6","5","4","1") = "8"
    & skf18("4","9","3","6","5","5","1") = "8"
    & skf18("4","9","3","6","5","6","1") = "8"
    & skf18("4","9","3","6","5","7","1") = "8"
    & skf18("4","9","3","6","5","8","1") = "8"
    & skf18("4","9","3","6","5","9","1") = "8"
    & skf18("4","9","3","6","5","10","1") = "9"
    & skf18("4","9","3","6","6","1","1") = "8"
    & skf18("4","9","3","6","6","2","1") = "8"
    & skf18("4","9","3","6","6","3","1") = "8"
    & skf18("4","9","3","6","6","4","1") = "8"
    & skf18("4","9","3","6","6","5","1") = "8"
    & skf18("4","9","3","6","6","6","1") = "8"
    & skf18("4","9","3","6","6","7","1") = "8"
    & skf18("4","9","3","6","6","8","1") = "8"
    & skf18("4","9","3","6","6","9","1") = "8"
    & skf18("4","9","3","6","6","10","1") = "9"
    & skf18("4","9","3","6","7","1","1") = "8"
    & skf18("4","9","3","6","7","2","1") = "8"
    & skf18("4","9","3","6","7","3","1") = "8"
    & skf18("4","9","3","6","7","4","1") = "8"
    & skf18("4","9","3","6","7","5","1") = "8"
    & skf18("4","9","3","6","7","6","1") = "8"
    & skf18("4","9","3","6","7","7","1") = "8"
    & skf18("4","9","3","6","7","8","1") = "8"
    & skf18("4","9","3","6","7","9","1") = "8"
    & skf18("4","9","3","6","7","10","1") = "9"
    & skf18("4","9","3","6","8","1","1") = "8"
    & skf18("4","9","3","6","8","2","1") = "8"
    & skf18("4","9","3","6","8","3","1") = "8"
    & skf18("4","9","3","6","8","4","1") = "8"
    & skf18("4","9","3","6","8","5","1") = "8"
    & skf18("4","9","3","6","8","6","1") = "8"
    & skf18("4","9","3","6","8","7","1") = "8"
    & skf18("4","9","3","6","8","8","1") = "8"
    & skf18("4","9","3","6","8","9","1") = "8"
    & skf18("4","9","3","6","8","10","1") = "9"
    & skf18("4","9","3","6","9","1","1") = "8"
    & skf18("4","9","3","6","9","2","1") = "8"
    & skf18("4","9","3","6","9","3","1") = "8"
    & skf18("4","9","3","6","9","4","1") = "8"
    & skf18("4","9","3","6","9","5","1") = "8"
    & skf18("4","9","3","6","9","6","1") = "8"
    & skf18("4","9","3","6","9","7","1") = "8"
    & skf18("4","9","3","6","9","8","1") = "8"
    & skf18("4","9","3","6","9","9","1") = "8"
    & skf18("4","9","3","6","9","10","1") = "9"
    & skf18("4","9","3","6","10","1","1") = "9"
    & skf18("4","9","3","6","10","2","1") = "9"
    & skf18("4","9","3","6","10","3","1") = "9"
    & skf18("4","9","3","6","10","4","1") = "9"
    & skf18("4","9","3","6","10","5","1") = "9"
    & skf18("4","9","3","6","10","6","1") = "9"
    & skf18("4","9","3","6","10","7","1") = "9"
    & skf18("4","9","3","6","10","8","1") = "9"
    & skf18("4","9","3","6","10","9","1") = "9"
    & skf18("4","9","3","6","10","10","1") = "9"
    & skf18("4","9","3","7","1","1","1") = "8"
    & skf18("4","9","3","7","1","2","1") = "8"
    & skf18("4","9","3","7","1","3","1") = "8"
    & skf18("4","9","3","7","1","4","1") = "8"
    & skf18("4","9","3","7","1","5","1") = "8"
    & skf18("4","9","3","7","1","6","1") = "8"
    & skf18("4","9","3","7","1","7","1") = "8"
    & skf18("4","9","3","7","1","8","1") = "8"
    & skf18("4","9","3","7","1","9","1") = "8"
    & skf18("4","9","3","7","1","10","1") = "9"
    & skf18("4","9","3","7","2","1","1") = "8"
    & skf18("4","9","3","7","2","2","1") = "8"
    & skf18("4","9","3","7","2","3","1") = "8"
    & skf18("4","9","3","7","2","4","1") = "8"
    & skf18("4","9","3","7","2","5","1") = "8"
    & skf18("4","9","3","7","2","6","1") = "8"
    & skf18("4","9","3","7","2","7","1") = "8"
    & skf18("4","9","3","7","2","8","1") = "8"
    & skf18("4","9","3","7","2","9","1") = "8"
    & skf18("4","9","3","7","2","10","1") = "9"
    & skf18("4","9","3","7","3","1","1") = "8"
    & skf18("4","9","3","7","3","2","1") = "8"
    & skf18("4","9","3","7","3","3","1") = "8"
    & skf18("4","9","3","7","3","4","1") = "8"
    & skf18("4","9","3","7","3","5","1") = "8"
    & skf18("4","9","3","7","3","6","1") = "8"
    & skf18("4","9","3","7","3","7","1") = "8"
    & skf18("4","9","3","7","3","8","1") = "8"
    & skf18("4","9","3","7","3","9","1") = "8"
    & skf18("4","9","3","7","3","10","1") = "9"
    & skf18("4","9","3","7","4","1","1") = "8"
    & skf18("4","9","3","7","4","2","1") = "8"
    & skf18("4","9","3","7","4","3","1") = "8"
    & skf18("4","9","3","7","4","4","1") = "8"
    & skf18("4","9","3","7","4","5","1") = "8"
    & skf18("4","9","3","7","4","6","1") = "8"
    & skf18("4","9","3","7","4","7","1") = "8"
    & skf18("4","9","3","7","4","8","1") = "8"
    & skf18("4","9","3","7","4","9","1") = "8"
    & skf18("4","9","3","7","4","10","1") = "9"
    & skf18("4","9","3","7","5","1","1") = "8"
    & skf18("4","9","3","7","5","2","1") = "8"
    & skf18("4","9","3","7","5","3","1") = "8"
    & skf18("4","9","3","7","5","4","1") = "8"
    & skf18("4","9","3","7","5","5","1") = "8"
    & skf18("4","9","3","7","5","6","1") = "8"
    & skf18("4","9","3","7","5","7","1") = "8"
    & skf18("4","9","3","7","5","8","1") = "8"
    & skf18("4","9","3","7","5","9","1") = "8"
    & skf18("4","9","3","7","5","10","1") = "9"
    & skf18("4","9","3","7","6","1","1") = "8"
    & skf18("4","9","3","7","6","2","1") = "8"
    & skf18("4","9","3","7","6","3","1") = "8"
    & skf18("4","9","3","7","6","4","1") = "8"
    & skf18("4","9","3","7","6","5","1") = "8"
    & skf18("4","9","3","7","6","6","1") = "8"
    & skf18("4","9","3","7","6","7","1") = "8"
    & skf18("4","9","3","7","6","8","1") = "8"
    & skf18("4","9","3","7","6","9","1") = "8"
    & skf18("4","9","3","7","6","10","1") = "9"
    & skf18("4","9","3","7","7","1","1") = "8"
    & skf18("4","9","3","7","7","2","1") = "8"
    & skf18("4","9","3","7","7","3","1") = "8"
    & skf18("4","9","3","7","7","4","1") = "8"
    & skf18("4","9","3","7","7","5","1") = "8"
    & skf18("4","9","3","7","7","6","1") = "8"
    & skf18("4","9","3","7","7","7","1") = "8"
    & skf18("4","9","3","7","7","8","1") = "8"
    & skf18("4","9","3","7","7","9","1") = "8"
    & skf18("4","9","3","7","7","10","1") = "9"
    & skf18("4","9","3","7","8","1","1") = "8"
    & skf18("4","9","3","7","8","2","1") = "8"
    & skf18("4","9","3","7","8","3","1") = "8"
    & skf18("4","9","3","7","8","4","1") = "8"
    & skf18("4","9","3","7","8","5","1") = "8"
    & skf18("4","9","3","7","8","6","1") = "8"
    & skf18("4","9","3","7","8","7","1") = "8"
    & skf18("4","9","3","7","8","8","1") = "8"
    & skf18("4","9","3","7","8","9","1") = "8"
    & skf18("4","9","3","7","8","10","1") = "9"
    & skf18("4","9","3","7","9","1","1") = "8"
    & skf18("4","9","3","7","9","2","1") = "8"
    & skf18("4","9","3","7","9","3","1") = "8"
    & skf18("4","9","3","7","9","4","1") = "8"
    & skf18("4","9","3","7","9","5","1") = "8"
    & skf18("4","9","3","7","9","6","1") = "8"
    & skf18("4","9","3","7","9","7","1") = "8"
    & skf18("4","9","3","7","9","8","1") = "8"
    & skf18("4","9","3","7","9","9","1") = "8"
    & skf18("4","9","3","7","9","10","1") = "9"
    & skf18("4","9","3","7","10","1","1") = "9"
    & skf18("4","9","3","7","10","2","1") = "9"
    & skf18("4","9","3","7","10","3","1") = "9"
    & skf18("4","9","3","7","10","4","1") = "9"
    & skf18("4","9","3","7","10","5","1") = "9"
    & skf18("4","9","3","7","10","6","1") = "9"
    & skf18("4","9","3","7","10","7","1") = "9"
    & skf18("4","9","3","7","10","8","1") = "9"
    & skf18("4","9","3","7","10","9","1") = "9"
    & skf18("4","9","3","7","10","10","1") = "9"
    & skf18("4","9","3","8","1","1","1") = "8"
    & skf18("4","9","3","8","1","2","1") = "8"
    & skf18("4","9","3","8","1","3","1") = "8"
    & skf18("4","9","3","8","1","4","1") = "8"
    & skf18("4","9","3","8","1","5","1") = "8"
    & skf18("4","9","3","8","1","6","1") = "8"
    & skf18("4","9","3","8","1","7","1") = "8"
    & skf18("4","9","3","8","1","8","1") = "8"
    & skf18("4","9","3","8","1","9","1") = "8"
    & skf18("4","9","3","8","1","10","1") = "9"
    & skf18("4","9","3","8","2","1","1") = "8"
    & skf18("4","9","3","8","2","2","1") = "8"
    & skf18("4","9","3","8","2","3","1") = "8"
    & skf18("4","9","3","8","2","4","1") = "8"
    & skf18("4","9","3","8","2","5","1") = "8"
    & skf18("4","9","3","8","2","6","1") = "8"
    & skf18("4","9","3","8","2","7","1") = "8"
    & skf18("4","9","3","8","2","8","1") = "8"
    & skf18("4","9","3","8","2","9","1") = "8"
    & skf18("4","9","3","8","2","10","1") = "9"
    & skf18("4","9","3","8","3","1","1") = "8"
    & skf18("4","9","3","8","3","2","1") = "8"
    & skf18("4","9","3","8","3","3","1") = "8"
    & skf18("4","9","3","8","3","4","1") = "8"
    & skf18("4","9","3","8","3","5","1") = "8"
    & skf18("4","9","3","8","3","6","1") = "8"
    & skf18("4","9","3","8","3","7","1") = "8"
    & skf18("4","9","3","8","3","8","1") = "8"
    & skf18("4","9","3","8","3","9","1") = "8"
    & skf18("4","9","3","8","3","10","1") = "9"
    & skf18("4","9","3","8","4","1","1") = "8"
    & skf18("4","9","3","8","4","2","1") = "8"
    & skf18("4","9","3","8","4","3","1") = "8"
    & skf18("4","9","3","8","4","4","1") = "8"
    & skf18("4","9","3","8","4","5","1") = "8"
    & skf18("4","9","3","8","4","6","1") = "8"
    & skf18("4","9","3","8","4","7","1") = "8"
    & skf18("4","9","3","8","4","8","1") = "8"
    & skf18("4","9","3","8","4","9","1") = "8"
    & skf18("4","9","3","8","4","10","1") = "9"
    & skf18("4","9","3","8","5","1","1") = "8"
    & skf18("4","9","3","8","5","2","1") = "8"
    & skf18("4","9","3","8","5","3","1") = "8"
    & skf18("4","9","3","8","5","4","1") = "8"
    & skf18("4","9","3","8","5","5","1") = "8"
    & skf18("4","9","3","8","5","6","1") = "8"
    & skf18("4","9","3","8","5","7","1") = "8"
    & skf18("4","9","3","8","5","8","1") = "8"
    & skf18("4","9","3","8","5","9","1") = "8"
    & skf18("4","9","3","8","5","10","1") = "9"
    & skf18("4","9","3","8","6","1","1") = "8"
    & skf18("4","9","3","8","6","2","1") = "8"
    & skf18("4","9","3","8","6","3","1") = "8"
    & skf18("4","9","3","8","6","4","1") = "8"
    & skf18("4","9","3","8","6","5","1") = "8"
    & skf18("4","9","3","8","6","6","1") = "8"
    & skf18("4","9","3","8","6","7","1") = "8"
    & skf18("4","9","3","8","6","8","1") = "8"
    & skf18("4","9","3","8","6","9","1") = "8"
    & skf18("4","9","3","8","6","10","1") = "9"
    & skf18("4","9","3","8","7","1","1") = "8"
    & skf18("4","9","3","8","7","2","1") = "8"
    & skf18("4","9","3","8","7","3","1") = "8"
    & skf18("4","9","3","8","7","4","1") = "8"
    & skf18("4","9","3","8","7","5","1") = "8"
    & skf18("4","9","3","8","7","6","1") = "8"
    & skf18("4","9","3","8","7","7","1") = "8"
    & skf18("4","9","3","8","7","8","1") = "8"
    & skf18("4","9","3","8","7","9","1") = "8"
    & skf18("4","9","3","8","7","10","1") = "9"
    & skf18("4","9","3","8","8","1","1") = "8"
    & skf18("4","9","3","8","8","2","1") = "8"
    & skf18("4","9","3","8","8","3","1") = "8"
    & skf18("4","9","3","8","8","4","1") = "8"
    & skf18("4","9","3","8","8","5","1") = "8"
    & skf18("4","9","3","8","8","6","1") = "8"
    & skf18("4","9","3","8","8","7","1") = "8"
    & skf18("4","9","3","8","8","8","1") = "8"
    & skf18("4","9","3","8","8","9","1") = "8"
    & skf18("4","9","3","8","8","10","1") = "9"
    & skf18("4","9","3","8","9","1","1") = "8"
    & skf18("4","9","3","8","9","2","1") = "8"
    & skf18("4","9","3","8","9","3","1") = "8"
    & skf18("4","9","3","8","9","4","1") = "8"
    & skf18("4","9","3","8","9","5","1") = "8"
    & skf18("4","9","3","8","9","6","1") = "8"
    & skf18("4","9","3","8","9","7","1") = "8"
    & skf18("4","9","3","8","9","8","1") = "8"
    & skf18("4","9","3","8","9","9","1") = "8"
    & skf18("4","9","3","8","9","10","1") = "9"
    & skf18("4","9","3","8","10","1","1") = "9"
    & skf18("4","9","3","8","10","2","1") = "9"
    & skf18("4","9","3","8","10","3","1") = "9"
    & skf18("4","9","3","8","10","4","1") = "9"
    & skf18("4","9","3","8","10","5","1") = "9"
    & skf18("4","9","3","8","10","6","1") = "9"
    & skf18("4","9","3","8","10","7","1") = "9"
    & skf18("4","9","3","8","10","8","1") = "9"
    & skf18("4","9","3","8","10","9","1") = "9"
    & skf18("4","9","3","8","10","10","1") = "9"
    & skf18("4","9","3","9","1","1","1") = "8"
    & skf18("4","9","3","9","1","2","1") = "8"
    & skf18("4","9","3","9","1","3","1") = "8"
    & skf18("4","9","3","9","1","4","1") = "8"
    & skf18("4","9","3","9","1","5","1") = "8"
    & skf18("4","9","3","9","1","6","1") = "8"
    & skf18("4","9","3","9","1","7","1") = "8"
    & skf18("4","9","3","9","1","8","1") = "8"
    & skf18("4","9","3","9","1","9","1") = "8"
    & skf18("4","9","3","9","1","10","1") = "9"
    & skf18("4","9","3","9","2","1","1") = "8"
    & skf18("4","9","3","9","2","2","1") = "8"
    & skf18("4","9","3","9","2","3","1") = "8"
    & skf18("4","9","3","9","2","4","1") = "8"
    & skf18("4","9","3","9","2","5","1") = "8"
    & skf18("4","9","3","9","2","6","1") = "8"
    & skf18("4","9","3","9","2","7","1") = "8"
    & skf18("4","9","3","9","2","8","1") = "8"
    & skf18("4","9","3","9","2","9","1") = "8"
    & skf18("4","9","3","9","2","10","1") = "9"
    & skf18("4","9","3","9","3","1","1") = "8"
    & skf18("4","9","3","9","3","2","1") = "8"
    & skf18("4","9","3","9","3","3","1") = "8"
    & skf18("4","9","3","9","3","4","1") = "8"
    & skf18("4","9","3","9","3","5","1") = "8"
    & skf18("4","9","3","9","3","6","1") = "8"
    & skf18("4","9","3","9","3","7","1") = "8"
    & skf18("4","9","3","9","3","8","1") = "8"
    & skf18("4","9","3","9","3","9","1") = "8"
    & skf18("4","9","3","9","3","10","1") = "9"
    & skf18("4","9","3","9","4","1","1") = "8"
    & skf18("4","9","3","9","4","2","1") = "8"
    & skf18("4","9","3","9","4","3","1") = "8"
    & skf18("4","9","3","9","4","4","1") = "8"
    & skf18("4","9","3","9","4","5","1") = "8"
    & skf18("4","9","3","9","4","6","1") = "8"
    & skf18("4","9","3","9","4","7","1") = "8"
    & skf18("4","9","3","9","4","8","1") = "8"
    & skf18("4","9","3","9","4","9","1") = "8"
    & skf18("4","9","3","9","4","10","1") = "9"
    & skf18("4","9","3","9","5","1","1") = "8"
    & skf18("4","9","3","9","5","2","1") = "8"
    & skf18("4","9","3","9","5","3","1") = "8"
    & skf18("4","9","3","9","5","4","1") = "8"
    & skf18("4","9","3","9","5","5","1") = "8"
    & skf18("4","9","3","9","5","6","1") = "8"
    & skf18("4","9","3","9","5","7","1") = "8"
    & skf18("4","9","3","9","5","8","1") = "8"
    & skf18("4","9","3","9","5","9","1") = "8"
    & skf18("4","9","3","9","5","10","1") = "9"
    & skf18("4","9","3","9","6","1","1") = "8"
    & skf18("4","9","3","9","6","2","1") = "8"
    & skf18("4","9","3","9","6","3","1") = "8"
    & skf18("4","9","3","9","6","4","1") = "8"
    & skf18("4","9","3","9","6","5","1") = "8"
    & skf18("4","9","3","9","6","6","1") = "8"
    & skf18("4","9","3","9","6","7","1") = "8"
    & skf18("4","9","3","9","6","8","1") = "8"
    & skf18("4","9","3","9","6","9","1") = "8"
    & skf18("4","9","3","9","6","10","1") = "9"
    & skf18("4","9","3","9","7","1","1") = "8"
    & skf18("4","9","3","9","7","2","1") = "8"
    & skf18("4","9","3","9","7","3","1") = "8"
    & skf18("4","9","3","9","7","4","1") = "8"
    & skf18("4","9","3","9","7","5","1") = "8"
    & skf18("4","9","3","9","7","6","1") = "8"
    & skf18("4","9","3","9","7","7","1") = "8"
    & skf18("4","9","3","9","7","8","1") = "8"
    & skf18("4","9","3","9","7","9","1") = "8"
    & skf18("4","9","3","9","7","10","1") = "9"
    & skf18("4","9","3","9","8","1","1") = "8"
    & skf18("4","9","3","9","8","2","1") = "8"
    & skf18("4","9","3","9","8","3","1") = "8"
    & skf18("4","9","3","9","8","4","1") = "8"
    & skf18("4","9","3","9","8","5","1") = "8"
    & skf18("4","9","3","9","8","6","1") = "8"
    & skf18("4","9","3","9","8","7","1") = "8"
    & skf18("4","9","3","9","8","8","1") = "8"
    & skf18("4","9","3","9","8","9","1") = "8"
    & skf18("4","9","3","9","8","10","1") = "9"
    & skf18("4","9","3","9","9","1","1") = "8"
    & skf18("4","9","3","9","9","2","1") = "8"
    & skf18("4","9","3","9","9","3","1") = "8"
    & skf18("4","9","3","9","9","4","1") = "8"
    & skf18("4","9","3","9","9","5","1") = "8"
    & skf18("4","9","3","9","9","6","1") = "8"
    & skf18("4","9","3","9","9","7","1") = "8"
    & skf18("4","9","3","9","9","8","1") = "8"
    & skf18("4","9","3","9","9","9","1") = "8"
    & skf18("4","9","3","9","9","10","1") = "9"
    & skf18("4","9","3","9","10","1","1") = "9"
    & skf18("4","9","3","9","10","2","1") = "9"
    & skf18("4","9","3","9","10","3","1") = "9"
    & skf18("4","9","3","9","10","4","1") = "9"
    & skf18("4","9","3","9","10","5","1") = "9"
    & skf18("4","9","3","9","10","6","1") = "9"
    & skf18("4","9","3","9","10","7","1") = "9"
    & skf18("4","9","3","9","10","8","1") = "9"
    & skf18("4","9","3","9","10","9","1") = "9"
    & skf18("4","9","3","9","10","10","1") = "9"
    & skf18("4","9","3","10","1","1","1") = "9"
    & skf18("4","9","3","10","1","2","1") = "9"
    & skf18("4","9","3","10","1","3","1") = "9"
    & skf18("4","9","3","10","1","4","1") = "9"
    & skf18("4","9","3","10","1","5","1") = "9"
    & skf18("4","9","3","10","1","6","1") = "9"
    & skf18("4","9","3","10","1","7","1") = "9"
    & skf18("4","9","3","10","1","8","1") = "9"
    & skf18("4","9","3","10","1","9","1") = "9"
    & skf18("4","9","3","10","1","10","1") = "9"
    & skf18("4","9","3","10","2","1","1") = "9"
    & skf18("4","9","3","10","2","2","1") = "9"
    & skf18("4","9","3","10","2","3","1") = "9"
    & skf18("4","9","3","10","2","4","1") = "9"
    & skf18("4","9","3","10","2","5","1") = "9"
    & skf18("4","9","3","10","2","6","1") = "9"
    & skf18("4","9","3","10","2","7","1") = "9"
    & skf18("4","9","3","10","2","8","1") = "9"
    & skf18("4","9","3","10","2","9","1") = "9"
    & skf18("4","9","3","10","2","10","1") = "9"
    & skf18("4","9","3","10","3","1","1") = "9"
    & skf18("4","9","3","10","3","2","1") = "9"
    & skf18("4","9","3","10","3","3","1") = "9"
    & skf18("4","9","3","10","3","4","1") = "9"
    & skf18("4","9","3","10","3","5","1") = "9"
    & skf18("4","9","3","10","3","6","1") = "9"
    & skf18("4","9","3","10","3","7","1") = "9"
    & skf18("4","9","3","10","3","8","1") = "9"
    & skf18("4","9","3","10","3","9","1") = "9"
    & skf18("4","9","3","10","3","10","1") = "9"
    & skf18("4","9","3","10","4","1","1") = "9"
    & skf18("4","9","3","10","4","2","1") = "9"
    & skf18("4","9","3","10","4","3","1") = "9"
    & skf18("4","9","3","10","4","4","1") = "9"
    & skf18("4","9","3","10","4","5","1") = "9"
    & skf18("4","9","3","10","4","6","1") = "9"
    & skf18("4","9","3","10","4","7","1") = "9"
    & skf18("4","9","3","10","4","8","1") = "9"
    & skf18("4","9","3","10","4","9","1") = "9"
    & skf18("4","9","3","10","4","10","1") = "9"
    & skf18("4","9","3","10","5","1","1") = "9"
    & skf18("4","9","3","10","5","2","1") = "9"
    & skf18("4","9","3","10","5","3","1") = "9"
    & skf18("4","9","3","10","5","4","1") = "9"
    & skf18("4","9","3","10","5","5","1") = "9"
    & skf18("4","9","3","10","5","6","1") = "9"
    & skf18("4","9","3","10","5","7","1") = "9"
    & skf18("4","9","3","10","5","8","1") = "9"
    & skf18("4","9","3","10","5","9","1") = "9"
    & skf18("4","9","3","10","5","10","1") = "9"
    & skf18("4","9","3","10","6","1","1") = "9"
    & skf18("4","9","3","10","6","2","1") = "9"
    & skf18("4","9","3","10","6","3","1") = "9"
    & skf18("4","9","3","10","6","4","1") = "9"
    & skf18("4","9","3","10","6","5","1") = "9"
    & skf18("4","9","3","10","6","6","1") = "9"
    & skf18("4","9","3","10","6","7","1") = "9"
    & skf18("4","9","3","10","6","8","1") = "9"
    & skf18("4","9","3","10","6","9","1") = "9"
    & skf18("4","9","3","10","6","10","1") = "9"
    & skf18("4","9","3","10","7","1","1") = "9"
    & skf18("4","9","3","10","7","2","1") = "9"
    & skf18("4","9","3","10","7","3","1") = "9"
    & skf18("4","9","3","10","7","4","1") = "9"
    & skf18("4","9","3","10","7","5","1") = "9"
    & skf18("4","9","3","10","7","6","1") = "9"
    & skf18("4","9","3","10","7","7","1") = "9"
    & skf18("4","9","3","10","7","8","1") = "9"
    & skf18("4","9","3","10","7","9","1") = "9"
    & skf18("4","9","3","10","7","10","1") = "9"
    & skf18("4","9","3","10","8","1","1") = "9"
    & skf18("4","9","3","10","8","2","1") = "9"
    & skf18("4","9","3","10","8","3","1") = "9"
    & skf18("4","9","3","10","8","4","1") = "9"
    & skf18("4","9","3","10","8","5","1") = "9"
    & skf18("4","9","3","10","8","6","1") = "9"
    & skf18("4","9","3","10","8","7","1") = "9"
    & skf18("4","9","3","10","8","8","1") = "9"
    & skf18("4","9","3","10","8","9","1") = "9"
    & skf18("4","9","3","10","8","10","1") = "9"
    & skf18("4","9","3","10","9","1","1") = "9"
    & skf18("4","9","3","10","9","2","1") = "9"
    & skf18("4","9","3","10","9","3","1") = "9"
    & skf18("4","9","3","10","9","4","1") = "9"
    & skf18("4","9","3","10","9","5","1") = "9"
    & skf18("4","9","3","10","9","6","1") = "9"
    & skf18("4","9","3","10","9","7","1") = "9"
    & skf18("4","9","3","10","9","8","1") = "9"
    & skf18("4","9","3","10","9","9","1") = "9"
    & skf18("4","9","3","10","9","10","1") = "9"
    & skf18("4","9","3","10","10","1","1") = "9"
    & skf18("4","9","3","10","10","2","1") = "9"
    & skf18("4","9","3","10","10","3","1") = "9"
    & skf18("4","9","3","10","10","4","1") = "9"
    & skf18("4","9","3","10","10","5","1") = "9"
    & skf18("4","9","3","10","10","6","1") = "9"
    & skf18("4","9","3","10","10","7","1") = "9"
    & skf18("4","9","3","10","10","8","1") = "9"
    & skf18("4","9","3","10","10","9","1") = "9"
    & skf18("4","9","3","10","10","10","1") = "9"
    & skf18("4","9","4","1","1","1","1") = "8"
    & skf18("4","9","4","1","1","2","1") = "8"
    & skf18("4","9","4","1","1","3","1") = "8"
    & skf18("4","9","4","1","1","4","1") = "8"
    & skf18("4","9","4","1","1","5","1") = "8"
    & skf18("4","9","4","1","1","6","1") = "8"
    & skf18("4","9","4","1","1","7","1") = "8"
    & skf18("4","9","4","1","1","8","1") = "8"
    & skf18("4","9","4","1","1","9","1") = "8"
    & skf18("4","9","4","1","1","10","1") = "9"
    & skf18("4","9","4","1","2","1","1") = "8"
    & skf18("4","9","4","1","2","2","1") = "8"
    & skf18("4","9","4","1","2","3","1") = "8"
    & skf18("4","9","4","1","2","4","1") = "8"
    & skf18("4","9","4","1","2","5","1") = "8"
    & skf18("4","9","4","1","2","6","1") = "8"
    & skf18("4","9","4","1","2","7","1") = "8"
    & skf18("4","9","4","1","2","8","1") = "8"
    & skf18("4","9","4","1","2","9","1") = "8"
    & skf18("4","9","4","1","2","10","1") = "9"
    & skf18("4","9","4","1","3","1","1") = "8"
    & skf18("4","9","4","1","3","2","1") = "8"
    & skf18("4","9","4","1","3","3","1") = "8"
    & skf18("4","9","4","1","3","4","1") = "8"
    & skf18("4","9","4","1","3","5","1") = "8"
    & skf18("4","9","4","1","3","6","1") = "8"
    & skf18("4","9","4","1","3","7","1") = "8"
    & skf18("4","9","4","1","3","8","1") = "8"
    & skf18("4","9","4","1","3","9","1") = "8"
    & skf18("4","9","4","1","3","10","1") = "9"
    & skf18("4","9","4","1","4","1","1") = "8"
    & skf18("4","9","4","1","4","2","1") = "8"
    & skf18("4","9","4","1","4","3","1") = "8"
    & skf18("4","9","4","1","4","4","1") = "8"
    & skf18("4","9","4","1","4","5","1") = "8"
    & skf18("4","9","4","1","4","6","1") = "8"
    & skf18("4","9","4","1","4","7","1") = "8"
    & skf18("4","9","4","1","4","8","1") = "8"
    & skf18("4","9","4","1","4","9","1") = "8"
    & skf18("4","9","4","1","4","10","1") = "9"
    & skf18("4","9","4","1","5","1","1") = "8"
    & skf18("4","9","4","1","5","2","1") = "8"
    & skf18("4","9","4","1","5","3","1") = "8"
    & skf18("4","9","4","1","5","4","1") = "8"
    & skf18("4","9","4","1","5","5","1") = "8"
    & skf18("4","9","4","1","5","6","1") = "8"
    & skf18("4","9","4","1","5","7","1") = "8"
    & skf18("4","9","4","1","5","8","1") = "8"
    & skf18("4","9","4","1","5","9","1") = "8"
    & skf18("4","9","4","1","5","10","1") = "9"
    & skf18("4","9","4","1","6","1","1") = "8"
    & skf18("4","9","4","1","6","2","1") = "8"
    & skf18("4","9","4","1","6","3","1") = "8"
    & skf18("4","9","4","1","6","4","1") = "8"
    & skf18("4","9","4","1","6","5","1") = "8"
    & skf18("4","9","4","1","6","6","1") = "8"
    & skf18("4","9","4","1","6","7","1") = "8"
    & skf18("4","9","4","1","6","8","1") = "8"
    & skf18("4","9","4","1","6","9","1") = "8"
    & skf18("4","9","4","1","6","10","1") = "9"
    & skf18("4","9","4","1","7","1","1") = "8"
    & skf18("4","9","4","1","7","2","1") = "8"
    & skf18("4","9","4","1","7","3","1") = "8"
    & skf18("4","9","4","1","7","4","1") = "8"
    & skf18("4","9","4","1","7","5","1") = "8"
    & skf18("4","9","4","1","7","6","1") = "8"
    & skf18("4","9","4","1","7","7","1") = "8"
    & skf18("4","9","4","1","7","8","1") = "8"
    & skf18("4","9","4","1","7","9","1") = "8"
    & skf18("4","9","4","1","7","10","1") = "9"
    & skf18("4","9","4","1","8","1","1") = "8"
    & skf18("4","9","4","1","8","2","1") = "8"
    & skf18("4","9","4","1","8","3","1") = "8"
    & skf18("4","9","4","1","8","4","1") = "8"
    & skf18("4","9","4","1","8","5","1") = "8"
    & skf18("4","9","4","1","8","6","1") = "8"
    & skf18("4","9","4","1","8","7","1") = "8"
    & skf18("4","9","4","1","8","8","1") = "8"
    & skf18("4","9","4","1","8","9","1") = "8"
    & skf18("4","9","4","1","8","10","1") = "9"
    & skf18("4","9","4","1","9","1","1") = "8"
    & skf18("4","9","4","1","9","2","1") = "8"
    & skf18("4","9","4","1","9","3","1") = "8"
    & skf18("4","9","4","1","9","4","1") = "8"
    & skf18("4","9","4","1","9","5","1") = "8"
    & skf18("4","9","4","1","9","6","1") = "8"
    & skf18("4","9","4","1","9","7","1") = "8"
    & skf18("4","9","4","1","9","8","1") = "8"
    & skf18("4","9","4","1","9","9","1") = "8"
    & skf18("4","9","4","1","9","10","1") = "9"
    & skf18("4","9","4","1","10","1","1") = "9"
    & skf18("4","9","4","1","10","2","1") = "9"
    & skf18("4","9","4","1","10","3","1") = "9"
    & skf18("4","9","4","1","10","4","1") = "9"
    & skf18("4","9","4","1","10","5","1") = "9"
    & skf18("4","9","4","1","10","6","1") = "9"
    & skf18("4","9","4","1","10","7","1") = "9"
    & skf18("4","9","4","1","10","8","1") = "9"
    & skf18("4","9","4","1","10","9","1") = "9"
    & skf18("4","9","4","1","10","10","1") = "9"
    & skf18("4","9","4","2","1","1","1") = "8"
    & skf18("4","9","4","2","1","2","1") = "8"
    & skf18("4","9","4","2","1","3","1") = "8"
    & skf18("4","9","4","2","1","4","1") = "8"
    & skf18("4","9","4","2","1","5","1") = "8"
    & skf18("4","9","4","2","1","6","1") = "8"
    & skf18("4","9","4","2","1","7","1") = "8"
    & skf18("4","9","4","2","1","8","1") = "8"
    & skf18("4","9","4","2","1","9","1") = "8"
    & skf18("4","9","4","2","1","10","1") = "9"
    & skf18("4","9","4","2","2","1","1") = "8"
    & skf18("4","9","4","2","2","2","1") = "8"
    & skf18("4","9","4","2","2","3","1") = "8"
    & skf18("4","9","4","2","2","4","1") = "8"
    & skf18("4","9","4","2","2","5","1") = "8"
    & skf18("4","9","4","2","2","6","1") = "8"
    & skf18("4","9","4","2","2","7","1") = "8"
    & skf18("4","9","4","2","2","8","1") = "8"
    & skf18("4","9","4","2","2","9","1") = "8"
    & skf18("4","9","4","2","2","10","1") = "9"
    & skf18("4","9","4","2","3","1","1") = "8"
    & skf18("4","9","4","2","3","2","1") = "8"
    & skf18("4","9","4","2","3","3","1") = "8"
    & skf18("4","9","4","2","3","4","1") = "8"
    & skf18("4","9","4","2","3","5","1") = "8"
    & skf18("4","9","4","2","3","6","1") = "8"
    & skf18("4","9","4","2","3","7","1") = "8"
    & skf18("4","9","4","2","3","8","1") = "8"
    & skf18("4","9","4","2","3","9","1") = "8"
    & skf18("4","9","4","2","3","10","1") = "9"
    & skf18("4","9","4","2","4","1","1") = "8"
    & skf18("4","9","4","2","4","2","1") = "8"
    & skf18("4","9","4","2","4","3","1") = "8"
    & skf18("4","9","4","2","4","4","1") = "8"
    & skf18("4","9","4","2","4","5","1") = "8"
    & skf18("4","9","4","2","4","6","1") = "8"
    & skf18("4","9","4","2","4","7","1") = "8"
    & skf18("4","9","4","2","4","8","1") = "8"
    & skf18("4","9","4","2","4","9","1") = "8"
    & skf18("4","9","4","2","4","10","1") = "9"
    & skf18("4","9","4","2","5","1","1") = "8"
    & skf18("4","9","4","2","5","2","1") = "8"
    & skf18("4","9","4","2","5","3","1") = "8"
    & skf18("4","9","4","2","5","4","1") = "8"
    & skf18("4","9","4","2","5","5","1") = "8"
    & skf18("4","9","4","2","5","6","1") = "8"
    & skf18("4","9","4","2","5","7","1") = "8"
    & skf18("4","9","4","2","5","8","1") = "8"
    & skf18("4","9","4","2","5","9","1") = "8"
    & skf18("4","9","4","2","5","10","1") = "9"
    & skf18("4","9","4","2","6","1","1") = "8"
    & skf18("4","9","4","2","6","2","1") = "8"
    & skf18("4","9","4","2","6","3","1") = "8"
    & skf18("4","9","4","2","6","4","1") = "8"
    & skf18("4","9","4","2","6","5","1") = "8"
    & skf18("4","9","4","2","6","6","1") = "8"
    & skf18("4","9","4","2","6","7","1") = "8"
    & skf18("4","9","4","2","6","8","1") = "8"
    & skf18("4","9","4","2","6","9","1") = "8"
    & skf18("4","9","4","2","6","10","1") = "9"
    & skf18("4","9","4","2","7","1","1") = "8"
    & skf18("4","9","4","2","7","2","1") = "8"
    & skf18("4","9","4","2","7","3","1") = "8"
    & skf18("4","9","4","2","7","4","1") = "8"
    & skf18("4","9","4","2","7","5","1") = "8"
    & skf18("4","9","4","2","7","6","1") = "8"
    & skf18("4","9","4","2","7","7","1") = "8"
    & skf18("4","9","4","2","7","8","1") = "8"
    & skf18("4","9","4","2","7","9","1") = "8"
    & skf18("4","9","4","2","7","10","1") = "9"
    & skf18("4","9","4","2","8","1","1") = "8"
    & skf18("4","9","4","2","8","2","1") = "8"
    & skf18("4","9","4","2","8","3","1") = "8"
    & skf18("4","9","4","2","8","4","1") = "8"
    & skf18("4","9","4","2","8","5","1") = "8"
    & skf18("4","9","4","2","8","6","1") = "8"
    & skf18("4","9","4","2","8","7","1") = "8"
    & skf18("4","9","4","2","8","8","1") = "8"
    & skf18("4","9","4","2","8","9","1") = "8"
    & skf18("4","9","4","2","8","10","1") = "9"
    & skf18("4","9","4","2","9","1","1") = "8"
    & skf18("4","9","4","2","9","2","1") = "8"
    & skf18("4","9","4","2","9","3","1") = "8"
    & skf18("4","9","4","2","9","4","1") = "8"
    & skf18("4","9","4","2","9","5","1") = "8"
    & skf18("4","9","4","2","9","6","1") = "8"
    & skf18("4","9","4","2","9","7","1") = "8"
    & skf18("4","9","4","2","9","8","1") = "8"
    & skf18("4","9","4","2","9","9","1") = "8"
    & skf18("4","9","4","2","9","10","1") = "9"
    & skf18("4","9","4","2","10","1","1") = "9"
    & skf18("4","9","4","2","10","2","1") = "9"
    & skf18("4","9","4","2","10","3","1") = "9"
    & skf18("4","9","4","2","10","4","1") = "9"
    & skf18("4","9","4","2","10","5","1") = "9"
    & skf18("4","9","4","2","10","6","1") = "9"
    & skf18("4","9","4","2","10","7","1") = "9"
    & skf18("4","9","4","2","10","8","1") = "9"
    & skf18("4","9","4","2","10","9","1") = "9"
    & skf18("4","9","4","2","10","10","1") = "9"
    & skf18("4","9","4","3","1","1","1") = "8"
    & skf18("4","9","4","3","1","2","1") = "8"
    & skf18("4","9","4","3","1","3","1") = "8"
    & skf18("4","9","4","3","1","4","1") = "8"
    & skf18("4","9","4","3","1","5","1") = "8"
    & skf18("4","9","4","3","1","6","1") = "8"
    & skf18("4","9","4","3","1","7","1") = "8"
    & skf18("4","9","4","3","1","8","1") = "8"
    & skf18("4","9","4","3","1","9","1") = "8"
    & skf18("4","9","4","3","1","10","1") = "9"
    & skf18("4","9","4","3","2","1","1") = "8"
    & skf18("4","9","4","3","2","2","1") = "8"
    & skf18("4","9","4","3","2","3","1") = "8"
    & skf18("4","9","4","3","2","4","1") = "8"
    & skf18("4","9","4","3","2","5","1") = "8"
    & skf18("4","9","4","3","2","6","1") = "8"
    & skf18("4","9","4","3","2","7","1") = "8"
    & skf18("4","9","4","3","2","8","1") = "8"
    & skf18("4","9","4","3","2","9","1") = "8"
    & skf18("4","9","4","3","2","10","1") = "9"
    & skf18("4","9","4","3","3","1","1") = "8"
    & skf18("4","9","4","3","3","2","1") = "8"
    & skf18("4","9","4","3","3","3","1") = "8"
    & skf18("4","9","4","3","3","4","1") = "8"
    & skf18("4","9","4","3","3","5","1") = "8"
    & skf18("4","9","4","3","3","6","1") = "8"
    & skf18("4","9","4","3","3","7","1") = "8"
    & skf18("4","9","4","3","3","8","1") = "8"
    & skf18("4","9","4","3","3","9","1") = "8"
    & skf18("4","9","4","3","3","10","1") = "9"
    & skf18("4","9","4","3","4","1","1") = "8"
    & skf18("4","9","4","3","4","2","1") = "8"
    & skf18("4","9","4","3","4","3","1") = "8"
    & skf18("4","9","4","3","4","4","1") = "8"
    & skf18("4","9","4","3","4","5","1") = "8"
    & skf18("4","9","4","3","4","6","1") = "8"
    & skf18("4","9","4","3","4","7","1") = "8"
    & skf18("4","9","4","3","4","8","1") = "8"
    & skf18("4","9","4","3","4","9","1") = "8"
    & skf18("4","9","4","3","4","10","1") = "9"
    & skf18("4","9","4","3","5","1","1") = "8"
    & skf18("4","9","4","3","5","2","1") = "8"
    & skf18("4","9","4","3","5","3","1") = "8"
    & skf18("4","9","4","3","5","4","1") = "8"
    & skf18("4","9","4","3","5","5","1") = "8"
    & skf18("4","9","4","3","5","6","1") = "8"
    & skf18("4","9","4","3","5","7","1") = "8"
    & skf18("4","9","4","3","5","8","1") = "8"
    & skf18("4","9","4","3","5","9","1") = "8"
    & skf18("4","9","4","3","5","10","1") = "9"
    & skf18("4","9","4","3","6","1","1") = "8"
    & skf18("4","9","4","3","6","2","1") = "8"
    & skf18("4","9","4","3","6","3","1") = "8"
    & skf18("4","9","4","3","6","4","1") = "8"
    & skf18("4","9","4","3","6","5","1") = "8"
    & skf18("4","9","4","3","6","6","1") = "8"
    & skf18("4","9","4","3","6","7","1") = "8"
    & skf18("4","9","4","3","6","8","1") = "8"
    & skf18("4","9","4","3","6","9","1") = "8"
    & skf18("4","9","4","3","6","10","1") = "9"
    & skf18("4","9","4","3","7","1","1") = "8"
    & skf18("4","9","4","3","7","2","1") = "8"
    & skf18("4","9","4","3","7","3","1") = "8"
    & skf18("4","9","4","3","7","4","1") = "8"
    & skf18("4","9","4","3","7","5","1") = "8"
    & skf18("4","9","4","3","7","6","1") = "8"
    & skf18("4","9","4","3","7","7","1") = "8"
    & skf18("4","9","4","3","7","8","1") = "8"
    & skf18("4","9","4","3","7","9","1") = "8"
    & skf18("4","9","4","3","7","10","1") = "9"
    & skf18("4","9","4","3","8","1","1") = "8"
    & skf18("4","9","4","3","8","2","1") = "8"
    & skf18("4","9","4","3","8","3","1") = "8"
    & skf18("4","9","4","3","8","4","1") = "8"
    & skf18("4","9","4","3","8","5","1") = "8"
    & skf18("4","9","4","3","8","6","1") = "8"
    & skf18("4","9","4","3","8","7","1") = "8"
    & skf18("4","9","4","3","8","8","1") = "8"
    & skf18("4","9","4","3","8","9","1") = "8"
    & skf18("4","9","4","3","8","10","1") = "9"
    & skf18("4","9","4","3","9","1","1") = "8"
    & skf18("4","9","4","3","9","2","1") = "8"
    & skf18("4","9","4","3","9","3","1") = "8"
    & skf18("4","9","4","3","9","4","1") = "8"
    & skf18("4","9","4","3","9","5","1") = "8"
    & skf18("4","9","4","3","9","6","1") = "8"
    & skf18("4","9","4","3","9","7","1") = "8"
    & skf18("4","9","4","3","9","8","1") = "8"
    & skf18("4","9","4","3","9","9","1") = "8"
    & skf18("4","9","4","3","9","10","1") = "9"
    & skf18("4","9","4","3","10","1","1") = "9"
    & skf18("4","9","4","3","10","2","1") = "9"
    & skf18("4","9","4","3","10","3","1") = "9"
    & skf18("4","9","4","3","10","4","1") = "9"
    & skf18("4","9","4","3","10","5","1") = "9"
    & skf18("4","9","4","3","10","6","1") = "9"
    & skf18("4","9","4","3","10","7","1") = "9"
    & skf18("4","9","4","3","10","8","1") = "9"
    & skf18("4","9","4","3","10","9","1") = "9"
    & skf18("4","9","4","3","10","10","1") = "9"
    & skf18("4","9","4","4","1","1","1") = "8"
    & skf18("4","9","4","4","1","2","1") = "8"
    & skf18("4","9","4","4","1","3","1") = "8"
    & skf18("4","9","4","4","1","4","1") = "8"
    & skf18("4","9","4","4","1","5","1") = "8"
    & skf18("4","9","4","4","1","6","1") = "8"
    & skf18("4","9","4","4","1","7","1") = "8"
    & skf18("4","9","4","4","1","8","1") = "8"
    & skf18("4","9","4","4","1","9","1") = "8"
    & skf18("4","9","4","4","1","10","1") = "9"
    & skf18("4","9","4","4","2","1","1") = "8"
    & skf18("4","9","4","4","2","2","1") = "8"
    & skf18("4","9","4","4","2","3","1") = "8"
    & skf18("4","9","4","4","2","4","1") = "8"
    & skf18("4","9","4","4","2","5","1") = "8"
    & skf18("4","9","4","4","2","6","1") = "8"
    & skf18("4","9","4","4","2","7","1") = "8"
    & skf18("4","9","4","4","2","8","1") = "8"
    & skf18("4","9","4","4","2","9","1") = "8"
    & skf18("4","9","4","4","2","10","1") = "9"
    & skf18("4","9","4","4","3","1","1") = "8"
    & skf18("4","9","4","4","3","2","1") = "8"
    & skf18("4","9","4","4","3","3","1") = "8"
    & skf18("4","9","4","4","3","4","1") = "8"
    & skf18("4","9","4","4","3","5","1") = "8"
    & skf18("4","9","4","4","3","6","1") = "8"
    & skf18("4","9","4","4","3","7","1") = "8"
    & skf18("4","9","4","4","3","8","1") = "8"
    & skf18("4","9","4","4","3","9","1") = "8"
    & skf18("4","9","4","4","3","10","1") = "9"
    & skf18("4","9","4","4","4","1","1") = "8"
    & skf18("4","9","4","4","4","2","1") = "8"
    & skf18("4","9","4","4","4","3","1") = "8"
    & skf18("4","9","4","4","4","4","1") = "8"
    & skf18("4","9","4","4","4","5","1") = "8"
    & skf18("4","9","4","4","4","6","1") = "8"
    & skf18("4","9","4","4","4","7","1") = "8"
    & skf18("4","9","4","4","4","8","1") = "8"
    & skf18("4","9","4","4","4","9","1") = "8"
    & skf18("4","9","4","4","4","10","1") = "9"
    & skf18("4","9","4","4","5","1","1") = "8"
    & skf18("4","9","4","4","5","2","1") = "8"
    & skf18("4","9","4","4","5","3","1") = "8"
    & skf18("4","9","4","4","5","4","1") = "8"
    & skf18("4","9","4","4","5","5","1") = "8"
    & skf18("4","9","4","4","5","6","1") = "8"
    & skf18("4","9","4","4","5","7","1") = "8"
    & skf18("4","9","4","4","5","8","1") = "8"
    & skf18("4","9","4","4","5","9","1") = "8"
    & skf18("4","9","4","4","5","10","1") = "9"
    & skf18("4","9","4","4","6","1","1") = "8"
    & skf18("4","9","4","4","6","2","1") = "8"
    & skf18("4","9","4","4","6","3","1") = "8"
    & skf18("4","9","4","4","6","4","1") = "8"
    & skf18("4","9","4","4","6","5","1") = "8"
    & skf18("4","9","4","4","6","6","1") = "8"
    & skf18("4","9","4","4","6","7","1") = "8"
    & skf18("4","9","4","4","6","8","1") = "8"
    & skf18("4","9","4","4","6","9","1") = "8"
    & skf18("4","9","4","4","6","10","1") = "9"
    & skf18("4","9","4","4","7","1","1") = "8"
    & skf18("4","9","4","4","7","2","1") = "8"
    & skf18("4","9","4","4","7","3","1") = "8"
    & skf18("4","9","4","4","7","4","1") = "8"
    & skf18("4","9","4","4","7","5","1") = "8"
    & skf18("4","9","4","4","7","6","1") = "8"
    & skf18("4","9","4","4","7","7","1") = "8"
    & skf18("4","9","4","4","7","8","1") = "8"
    & skf18("4","9","4","4","7","9","1") = "8"
    & skf18("4","9","4","4","7","10","1") = "9"
    & skf18("4","9","4","4","8","1","1") = "8"
    & skf18("4","9","4","4","8","2","1") = "8"
    & skf18("4","9","4","4","8","3","1") = "8"
    & skf18("4","9","4","4","8","4","1") = "8"
    & skf18("4","9","4","4","8","5","1") = "8"
    & skf18("4","9","4","4","8","6","1") = "8"
    & skf18("4","9","4","4","8","7","1") = "8"
    & skf18("4","9","4","4","8","8","1") = "8"
    & skf18("4","9","4","4","8","9","1") = "8"
    & skf18("4","9","4","4","8","10","1") = "9"
    & skf18("4","9","4","4","9","1","1") = "8"
    & skf18("4","9","4","4","9","2","1") = "8"
    & skf18("4","9","4","4","9","3","1") = "8"
    & skf18("4","9","4","4","9","4","1") = "8"
    & skf18("4","9","4","4","9","5","1") = "8"
    & skf18("4","9","4","4","9","6","1") = "8"
    & skf18("4","9","4","4","9","7","1") = "8"
    & skf18("4","9","4","4","9","8","1") = "8"
    & skf18("4","9","4","4","9","9","1") = "8"
    & skf18("4","9","4","4","9","10","1") = "9"
    & skf18("4","9","4","4","10","1","1") = "9"
    & skf18("4","9","4","4","10","2","1") = "9"
    & skf18("4","9","4","4","10","3","1") = "9"
    & skf18("4","9","4","4","10","4","1") = "9"
    & skf18("4","9","4","4","10","5","1") = "9"
    & skf18("4","9","4","4","10","6","1") = "9"
    & skf18("4","9","4","4","10","7","1") = "9"
    & skf18("4","9","4","4","10","8","1") = "9"
    & skf18("4","9","4","4","10","9","1") = "9"
    & skf18("4","9","4","4","10","10","1") = "9"
    & skf18("4","9","4","5","1","1","1") = "8"
    & skf18("4","9","4","5","1","2","1") = "8"
    & skf18("4","9","4","5","1","3","1") = "8"
    & skf18("4","9","4","5","1","4","1") = "8"
    & skf18("4","9","4","5","1","5","1") = "8"
    & skf18("4","9","4","5","1","6","1") = "8"
    & skf18("4","9","4","5","1","7","1") = "8"
    & skf18("4","9","4","5","1","8","1") = "8"
    & skf18("4","9","4","5","1","9","1") = "8"
    & skf18("4","9","4","5","1","10","1") = "9"
    & skf18("4","9","4","5","2","1","1") = "8"
    & skf18("4","9","4","5","2","2","1") = "8"
    & skf18("4","9","4","5","2","3","1") = "8"
    & skf18("4","9","4","5","2","4","1") = "8"
    & skf18("4","9","4","5","2","5","1") = "8"
    & skf18("4","9","4","5","2","6","1") = "8"
    & skf18("4","9","4","5","2","7","1") = "8"
    & skf18("4","9","4","5","2","8","1") = "8"
    & skf18("4","9","4","5","2","9","1") = "8"
    & skf18("4","9","4","5","2","10","1") = "9"
    & skf18("4","9","4","5","3","1","1") = "8"
    & skf18("4","9","4","5","3","2","1") = "8"
    & skf18("4","9","4","5","3","3","1") = "8"
    & skf18("4","9","4","5","3","4","1") = "8"
    & skf18("4","9","4","5","3","5","1") = "8"
    & skf18("4","9","4","5","3","6","1") = "8"
    & skf18("4","9","4","5","3","7","1") = "8"
    & skf18("4","9","4","5","3","8","1") = "8"
    & skf18("4","9","4","5","3","9","1") = "8"
    & skf18("4","9","4","5","3","10","1") = "9"
    & skf18("4","9","4","5","4","1","1") = "8"
    & skf18("4","9","4","5","4","2","1") = "8"
    & skf18("4","9","4","5","4","3","1") = "8"
    & skf18("4","9","4","5","4","4","1") = "8"
    & skf18("4","9","4","5","4","5","1") = "8"
    & skf18("4","9","4","5","4","6","1") = "8"
    & skf18("4","9","4","5","4","7","1") = "8"
    & skf18("4","9","4","5","4","8","1") = "8"
    & skf18("4","9","4","5","4","9","1") = "8"
    & skf18("4","9","4","5","4","10","1") = "9"
    & skf18("4","9","4","5","5","1","1") = "8"
    & skf18("4","9","4","5","5","2","1") = "8"
    & skf18("4","9","4","5","5","3","1") = "8"
    & skf18("4","9","4","5","5","4","1") = "8"
    & skf18("4","9","4","5","5","5","1") = "8"
    & skf18("4","9","4","5","5","6","1") = "8"
    & skf18("4","9","4","5","5","7","1") = "8"
    & skf18("4","9","4","5","5","8","1") = "8"
    & skf18("4","9","4","5","5","9","1") = "8"
    & skf18("4","9","4","5","5","10","1") = "9"
    & skf18("4","9","4","5","6","1","1") = "8"
    & skf18("4","9","4","5","6","2","1") = "8"
    & skf18("4","9","4","5","6","3","1") = "8"
    & skf18("4","9","4","5","6","4","1") = "8"
    & skf18("4","9","4","5","6","5","1") = "8"
    & skf18("4","9","4","5","6","6","1") = "8"
    & skf18("4","9","4","5","6","7","1") = "8"
    & skf18("4","9","4","5","6","8","1") = "8"
    & skf18("4","9","4","5","6","9","1") = "8"
    & skf18("4","9","4","5","6","10","1") = "9"
    & skf18("4","9","4","5","7","1","1") = "8"
    & skf18("4","9","4","5","7","2","1") = "8"
    & skf18("4","9","4","5","7","3","1") = "8"
    & skf18("4","9","4","5","7","4","1") = "8"
    & skf18("4","9","4","5","7","5","1") = "8"
    & skf18("4","9","4","5","7","6","1") = "8"
    & skf18("4","9","4","5","7","7","1") = "8"
    & skf18("4","9","4","5","7","8","1") = "8"
    & skf18("4","9","4","5","7","9","1") = "8"
    & skf18("4","9","4","5","7","10","1") = "9"
    & skf18("4","9","4","5","8","1","1") = "8"
    & skf18("4","9","4","5","8","2","1") = "8"
    & skf18("4","9","4","5","8","3","1") = "8"
    & skf18("4","9","4","5","8","4","1") = "8"
    & skf18("4","9","4","5","8","5","1") = "8"
    & skf18("4","9","4","5","8","6","1") = "8"
    & skf18("4","9","4","5","8","7","1") = "8"
    & skf18("4","9","4","5","8","8","1") = "8"
    & skf18("4","9","4","5","8","9","1") = "8"
    & skf18("4","9","4","5","8","10","1") = "9"
    & skf18("4","9","4","5","9","1","1") = "8"
    & skf18("4","9","4","5","9","2","1") = "8"
    & skf18("4","9","4","5","9","3","1") = "8"
    & skf18("4","9","4","5","9","4","1") = "8"
    & skf18("4","9","4","5","9","5","1") = "8"
    & skf18("4","9","4","5","9","6","1") = "8"
    & skf18("4","9","4","5","9","7","1") = "8"
    & skf18("4","9","4","5","9","8","1") = "8"
    & skf18("4","9","4","5","9","9","1") = "8"
    & skf18("4","9","4","5","9","10","1") = "9"
    & skf18("4","9","4","5","10","1","1") = "9"
    & skf18("4","9","4","5","10","2","1") = "9"
    & skf18("4","9","4","5","10","3","1") = "9"
    & skf18("4","9","4","5","10","4","1") = "9"
    & skf18("4","9","4","5","10","5","1") = "9"
    & skf18("4","9","4","5","10","6","1") = "9"
    & skf18("4","9","4","5","10","7","1") = "9"
    & skf18("4","9","4","5","10","8","1") = "9"
    & skf18("4","9","4","5","10","9","1") = "9"
    & skf18("4","9","4","5","10","10","1") = "9"
    & skf18("4","9","4","6","1","1","1") = "8"
    & skf18("4","9","4","6","1","2","1") = "8"
    & skf18("4","9","4","6","1","3","1") = "8"
    & skf18("4","9","4","6","1","4","1") = "8"
    & skf18("4","9","4","6","1","5","1") = "8"
    & skf18("4","9","4","6","1","6","1") = "8"
    & skf18("4","9","4","6","1","7","1") = "8"
    & skf18("4","9","4","6","1","8","1") = "8"
    & skf18("4","9","4","6","1","9","1") = "8"
    & skf18("4","9","4","6","1","10","1") = "9"
    & skf18("4","9","4","6","2","1","1") = "8"
    & skf18("4","9","4","6","2","2","1") = "8"
    & skf18("4","9","4","6","2","3","1") = "8"
    & skf18("4","9","4","6","2","4","1") = "8"
    & skf18("4","9","4","6","2","5","1") = "8"
    & skf18("4","9","4","6","2","6","1") = "8"
    & skf18("4","9","4","6","2","7","1") = "8"
    & skf18("4","9","4","6","2","8","1") = "8"
    & skf18("4","9","4","6","2","9","1") = "8"
    & skf18("4","9","4","6","2","10","1") = "9"
    & skf18("4","9","4","6","3","1","1") = "8"
    & skf18("4","9","4","6","3","2","1") = "8"
    & skf18("4","9","4","6","3","3","1") = "8"
    & skf18("4","9","4","6","3","4","1") = "8"
    & skf18("4","9","4","6","3","5","1") = "8"
    & skf18("4","9","4","6","3","6","1") = "8"
    & skf18("4","9","4","6","3","7","1") = "8"
    & skf18("4","9","4","6","3","8","1") = "8"
    & skf18("4","9","4","6","3","9","1") = "8"
    & skf18("4","9","4","6","3","10","1") = "9"
    & skf18("4","9","4","6","4","1","1") = "8"
    & skf18("4","9","4","6","4","2","1") = "8"
    & skf18("4","9","4","6","4","3","1") = "8"
    & skf18("4","9","4","6","4","4","1") = "8"
    & skf18("4","9","4","6","4","5","1") = "8"
    & skf18("4","9","4","6","4","6","1") = "8"
    & skf18("4","9","4","6","4","7","1") = "8"
    & skf18("4","9","4","6","4","8","1") = "8"
    & skf18("4","9","4","6","4","9","1") = "8"
    & skf18("4","9","4","6","4","10","1") = "9"
    & skf18("4","9","4","6","5","1","1") = "8"
    & skf18("4","9","4","6","5","2","1") = "8"
    & skf18("4","9","4","6","5","3","1") = "8"
    & skf18("4","9","4","6","5","4","1") = "8"
    & skf18("4","9","4","6","5","5","1") = "8"
    & skf18("4","9","4","6","5","6","1") = "8"
    & skf18("4","9","4","6","5","7","1") = "8"
    & skf18("4","9","4","6","5","8","1") = "8"
    & skf18("4","9","4","6","5","9","1") = "8"
    & skf18("4","9","4","6","5","10","1") = "9"
    & skf18("4","9","4","6","6","1","1") = "8"
    & skf18("4","9","4","6","6","2","1") = "8"
    & skf18("4","9","4","6","6","3","1") = "8"
    & skf18("4","9","4","6","6","4","1") = "8"
    & skf18("4","9","4","6","6","5","1") = "8"
    & skf18("4","9","4","6","6","6","1") = "8"
    & skf18("4","9","4","6","6","7","1") = "8"
    & skf18("4","9","4","6","6","8","1") = "8"
    & skf18("4","9","4","6","6","9","1") = "8"
    & skf18("4","9","4","6","6","10","1") = "9"
    & skf18("4","9","4","6","7","1","1") = "8"
    & skf18("4","9","4","6","7","2","1") = "8"
    & skf18("4","9","4","6","7","3","1") = "8"
    & skf18("4","9","4","6","7","4","1") = "8"
    & skf18("4","9","4","6","7","5","1") = "8"
    & skf18("4","9","4","6","7","6","1") = "8"
    & skf18("4","9","4","6","7","7","1") = "8"
    & skf18("4","9","4","6","7","8","1") = "8"
    & skf18("4","9","4","6","7","9","1") = "8"
    & skf18("4","9","4","6","7","10","1") = "9"
    & skf18("4","9","4","6","8","1","1") = "8"
    & skf18("4","9","4","6","8","2","1") = "8"
    & skf18("4","9","4","6","8","3","1") = "8"
    & skf18("4","9","4","6","8","4","1") = "8"
    & skf18("4","9","4","6","8","5","1") = "8"
    & skf18("4","9","4","6","8","6","1") = "8"
    & skf18("4","9","4","6","8","7","1") = "8"
    & skf18("4","9","4","6","8","8","1") = "8"
    & skf18("4","9","4","6","8","9","1") = "8"
    & skf18("4","9","4","6","8","10","1") = "9"
    & skf18("4","9","4","6","9","1","1") = "8"
    & skf18("4","9","4","6","9","2","1") = "8"
    & skf18("4","9","4","6","9","3","1") = "8"
    & skf18("4","9","4","6","9","4","1") = "8"
    & skf18("4","9","4","6","9","5","1") = "8"
    & skf18("4","9","4","6","9","6","1") = "8"
    & skf18("4","9","4","6","9","7","1") = "8"
    & skf18("4","9","4","6","9","8","1") = "8"
    & skf18("4","9","4","6","9","9","1") = "8"
    & skf18("4","9","4","6","9","10","1") = "9"
    & skf18("4","9","4","6","10","1","1") = "9"
    & skf18("4","9","4","6","10","2","1") = "9"
    & skf18("4","9","4","6","10","3","1") = "9"
    & skf18("4","9","4","6","10","4","1") = "9"
    & skf18("4","9","4","6","10","5","1") = "9"
    & skf18("4","9","4","6","10","6","1") = "9"
    & skf18("4","9","4","6","10","7","1") = "9"
    & skf18("4","9","4","6","10","8","1") = "9"
    & skf18("4","9","4","6","10","9","1") = "9"
    & skf18("4","9","4","6","10","10","1") = "9"
    & skf18("4","9","4","7","1","1","1") = "8"
    & skf18("4","9","4","7","1","2","1") = "8"
    & skf18("4","9","4","7","1","3","1") = "8"
    & skf18("4","9","4","7","1","4","1") = "8"
    & skf18("4","9","4","7","1","5","1") = "8"
    & skf18("4","9","4","7","1","6","1") = "8"
    & skf18("4","9","4","7","1","7","1") = "8"
    & skf18("4","9","4","7","1","8","1") = "8"
    & skf18("4","9","4","7","1","9","1") = "8"
    & skf18("4","9","4","7","1","10","1") = "9"
    & skf18("4","9","4","7","2","1","1") = "8"
    & skf18("4","9","4","7","2","2","1") = "8"
    & skf18("4","9","4","7","2","3","1") = "8"
    & skf18("4","9","4","7","2","4","1") = "8"
    & skf18("4","9","4","7","2","5","1") = "8"
    & skf18("4","9","4","7","2","6","1") = "8"
    & skf18("4","9","4","7","2","7","1") = "8"
    & skf18("4","9","4","7","2","8","1") = "8"
    & skf18("4","9","4","7","2","9","1") = "8"
    & skf18("4","9","4","7","2","10","1") = "9"
    & skf18("4","9","4","7","3","1","1") = "8"
    & skf18("4","9","4","7","3","2","1") = "8"
    & skf18("4","9","4","7","3","3","1") = "8"
    & skf18("4","9","4","7","3","4","1") = "8"
    & skf18("4","9","4","7","3","5","1") = "8"
    & skf18("4","9","4","7","3","6","1") = "8"
    & skf18("4","9","4","7","3","7","1") = "8"
    & skf18("4","9","4","7","3","8","1") = "8"
    & skf18("4","9","4","7","3","9","1") = "8"
    & skf18("4","9","4","7","3","10","1") = "9"
    & skf18("4","9","4","7","4","1","1") = "8"
    & skf18("4","9","4","7","4","2","1") = "8"
    & skf18("4","9","4","7","4","3","1") = "8"
    & skf18("4","9","4","7","4","4","1") = "8"
    & skf18("4","9","4","7","4","5","1") = "8"
    & skf18("4","9","4","7","4","6","1") = "8"
    & skf18("4","9","4","7","4","7","1") = "8"
    & skf18("4","9","4","7","4","8","1") = "8"
    & skf18("4","9","4","7","4","9","1") = "8"
    & skf18("4","9","4","7","4","10","1") = "9"
    & skf18("4","9","4","7","5","1","1") = "8"
    & skf18("4","9","4","7","5","2","1") = "8"
    & skf18("4","9","4","7","5","3","1") = "8"
    & skf18("4","9","4","7","5","4","1") = "8"
    & skf18("4","9","4","7","5","5","1") = "8"
    & skf18("4","9","4","7","5","6","1") = "8"
    & skf18("4","9","4","7","5","7","1") = "8"
    & skf18("4","9","4","7","5","8","1") = "8"
    & skf18("4","9","4","7","5","9","1") = "8"
    & skf18("4","9","4","7","5","10","1") = "9"
    & skf18("4","9","4","7","6","1","1") = "8"
    & skf18("4","9","4","7","6","2","1") = "8"
    & skf18("4","9","4","7","6","3","1") = "8"
    & skf18("4","9","4","7","6","4","1") = "8"
    & skf18("4","9","4","7","6","5","1") = "8"
    & skf18("4","9","4","7","6","6","1") = "8"
    & skf18("4","9","4","7","6","7","1") = "8"
    & skf18("4","9","4","7","6","8","1") = "8"
    & skf18("4","9","4","7","6","9","1") = "8"
    & skf18("4","9","4","7","6","10","1") = "9"
    & skf18("4","9","4","7","7","1","1") = "8"
    & skf18("4","9","4","7","7","2","1") = "8"
    & skf18("4","9","4","7","7","3","1") = "8"
    & skf18("4","9","4","7","7","4","1") = "8"
    & skf18("4","9","4","7","7","5","1") = "8"
    & skf18("4","9","4","7","7","6","1") = "8"
    & skf18("4","9","4","7","7","7","1") = "8"
    & skf18("4","9","4","7","7","8","1") = "8"
    & skf18("4","9","4","7","7","9","1") = "8"
    & skf18("4","9","4","7","7","10","1") = "9"
    & skf18("4","9","4","7","8","1","1") = "8"
    & skf18("4","9","4","7","8","2","1") = "8"
    & skf18("4","9","4","7","8","3","1") = "8"
    & skf18("4","9","4","7","8","4","1") = "8"
    & skf18("4","9","4","7","8","5","1") = "8"
    & skf18("4","9","4","7","8","6","1") = "8"
    & skf18("4","9","4","7","8","7","1") = "8"
    & skf18("4","9","4","7","8","8","1") = "8"
    & skf18("4","9","4","7","8","9","1") = "8"
    & skf18("4","9","4","7","8","10","1") = "9"
    & skf18("4","9","4","7","9","1","1") = "8"
    & skf18("4","9","4","7","9","2","1") = "8"
    & skf18("4","9","4","7","9","3","1") = "8"
    & skf18("4","9","4","7","9","4","1") = "8"
    & skf18("4","9","4","7","9","5","1") = "8"
    & skf18("4","9","4","7","9","6","1") = "8"
    & skf18("4","9","4","7","9","7","1") = "8"
    & skf18("4","9","4","7","9","8","1") = "8"
    & skf18("4","9","4","7","9","9","1") = "8"
    & skf18("4","9","4","7","9","10","1") = "9"
    & skf18("4","9","4","7","10","1","1") = "9"
    & skf18("4","9","4","7","10","2","1") = "9"
    & skf18("4","9","4","7","10","3","1") = "9"
    & skf18("4","9","4","7","10","4","1") = "9"
    & skf18("4","9","4","7","10","5","1") = "9"
    & skf18("4","9","4","7","10","6","1") = "9"
    & skf18("4","9","4","7","10","7","1") = "9"
    & skf18("4","9","4","7","10","8","1") = "9"
    & skf18("4","9","4","7","10","9","1") = "9"
    & skf18("4","9","4","7","10","10","1") = "9"
    & skf18("4","9","4","8","1","1","1") = "8"
    & skf18("4","9","4","8","1","2","1") = "8"
    & skf18("4","9","4","8","1","3","1") = "8"
    & skf18("4","9","4","8","1","4","1") = "8"
    & skf18("4","9","4","8","1","5","1") = "8"
    & skf18("4","9","4","8","1","6","1") = "8"
    & skf18("4","9","4","8","1","7","1") = "8"
    & skf18("4","9","4","8","1","8","1") = "8"
    & skf18("4","9","4","8","1","9","1") = "8"
    & skf18("4","9","4","8","1","10","1") = "9"
    & skf18("4","9","4","8","2","1","1") = "8"
    & skf18("4","9","4","8","2","2","1") = "8"
    & skf18("4","9","4","8","2","3","1") = "8"
    & skf18("4","9","4","8","2","4","1") = "8"
    & skf18("4","9","4","8","2","5","1") = "8"
    & skf18("4","9","4","8","2","6","1") = "8"
    & skf18("4","9","4","8","2","7","1") = "8"
    & skf18("4","9","4","8","2","8","1") = "8"
    & skf18("4","9","4","8","2","9","1") = "8"
    & skf18("4","9","4","8","2","10","1") = "9"
    & skf18("4","9","4","8","3","1","1") = "8"
    & skf18("4","9","4","8","3","2","1") = "8"
    & skf18("4","9","4","8","3","3","1") = "8"
    & skf18("4","9","4","8","3","4","1") = "8"
    & skf18("4","9","4","8","3","5","1") = "8"
    & skf18("4","9","4","8","3","6","1") = "8"
    & skf18("4","9","4","8","3","7","1") = "8"
    & skf18("4","9","4","8","3","8","1") = "8"
    & skf18("4","9","4","8","3","9","1") = "8"
    & skf18("4","9","4","8","3","10","1") = "9"
    & skf18("4","9","4","8","4","1","1") = "8"
    & skf18("4","9","4","8","4","2","1") = "8"
    & skf18("4","9","4","8","4","3","1") = "8"
    & skf18("4","9","4","8","4","4","1") = "8"
    & skf18("4","9","4","8","4","5","1") = "8"
    & skf18("4","9","4","8","4","6","1") = "8"
    & skf18("4","9","4","8","4","7","1") = "8"
    & skf18("4","9","4","8","4","8","1") = "8"
    & skf18("4","9","4","8","4","9","1") = "8"
    & skf18("4","9","4","8","4","10","1") = "9"
    & skf18("4","9","4","8","5","1","1") = "8"
    & skf18("4","9","4","8","5","2","1") = "8"
    & skf18("4","9","4","8","5","3","1") = "8"
    & skf18("4","9","4","8","5","4","1") = "8"
    & skf18("4","9","4","8","5","5","1") = "8"
    & skf18("4","9","4","8","5","6","1") = "8"
    & skf18("4","9","4","8","5","7","1") = "8"
    & skf18("4","9","4","8","5","8","1") = "8"
    & skf18("4","9","4","8","5","9","1") = "8"
    & skf18("4","9","4","8","5","10","1") = "9"
    & skf18("4","9","4","8","6","1","1") = "8"
    & skf18("4","9","4","8","6","2","1") = "8"
    & skf18("4","9","4","8","6","3","1") = "8"
    & skf18("4","9","4","8","6","4","1") = "8"
    & skf18("4","9","4","8","6","5","1") = "8"
    & skf18("4","9","4","8","6","6","1") = "8"
    & skf18("4","9","4","8","6","7","1") = "8"
    & skf18("4","9","4","8","6","8","1") = "8"
    & skf18("4","9","4","8","6","9","1") = "8"
    & skf18("4","9","4","8","6","10","1") = "9"
    & skf18("4","9","4","8","7","1","1") = "8"
    & skf18("4","9","4","8","7","2","1") = "8"
    & skf18("4","9","4","8","7","3","1") = "8"
    & skf18("4","9","4","8","7","4","1") = "8"
    & skf18("4","9","4","8","7","5","1") = "8"
    & skf18("4","9","4","8","7","6","1") = "8"
    & skf18("4","9","4","8","7","7","1") = "8"
    & skf18("4","9","4","8","7","8","1") = "8"
    & skf18("4","9","4","8","7","9","1") = "8"
    & skf18("4","9","4","8","7","10","1") = "9"
    & skf18("4","9","4","8","8","1","1") = "8"
    & skf18("4","9","4","8","8","2","1") = "8"
    & skf18("4","9","4","8","8","3","1") = "8"
    & skf18("4","9","4","8","8","4","1") = "8"
    & skf18("4","9","4","8","8","5","1") = "8"
    & skf18("4","9","4","8","8","6","1") = "8"
    & skf18("4","9","4","8","8","7","1") = "8"
    & skf18("4","9","4","8","8","8","1") = "8"
    & skf18("4","9","4","8","8","9","1") = "8"
    & skf18("4","9","4","8","8","10","1") = "9"
    & skf18("4","9","4","8","9","1","1") = "8"
    & skf18("4","9","4","8","9","2","1") = "8"
    & skf18("4","9","4","8","9","3","1") = "8"
    & skf18("4","9","4","8","9","4","1") = "8"
    & skf18("4","9","4","8","9","5","1") = "8"
    & skf18("4","9","4","8","9","6","1") = "8"
    & skf18("4","9","4","8","9","7","1") = "8"
    & skf18("4","9","4","8","9","8","1") = "8"
    & skf18("4","9","4","8","9","9","1") = "8"
    & skf18("4","9","4","8","9","10","1") = "9"
    & skf18("4","9","4","8","10","1","1") = "9"
    & skf18("4","9","4","8","10","2","1") = "9"
    & skf18("4","9","4","8","10","3","1") = "9"
    & skf18("4","9","4","8","10","4","1") = "9"
    & skf18("4","9","4","8","10","5","1") = "9"
    & skf18("4","9","4","8","10","6","1") = "9"
    & skf18("4","9","4","8","10","7","1") = "9"
    & skf18("4","9","4","8","10","8","1") = "9"
    & skf18("4","9","4","8","10","9","1") = "9"
    & skf18("4","9","4","8","10","10","1") = "9"
    & skf18("4","9","4","9","1","1","1") = "8"
    & skf18("4","9","4","9","1","2","1") = "8"
    & skf18("4","9","4","9","1","3","1") = "8"
    & skf18("4","9","4","9","1","4","1") = "8"
    & skf18("4","9","4","9","1","5","1") = "8"
    & skf18("4","9","4","9","1","6","1") = "8"
    & skf18("4","9","4","9","1","7","1") = "8"
    & skf18("4","9","4","9","1","8","1") = "8"
    & skf18("4","9","4","9","1","9","1") = "8"
    & skf18("4","9","4","9","1","10","1") = "9"
    & skf18("4","9","4","9","2","1","1") = "8"
    & skf18("4","9","4","9","2","2","1") = "8"
    & skf18("4","9","4","9","2","3","1") = "8"
    & skf18("4","9","4","9","2","4","1") = "8"
    & skf18("4","9","4","9","2","5","1") = "8"
    & skf18("4","9","4","9","2","6","1") = "8"
    & skf18("4","9","4","9","2","7","1") = "8"
    & skf18("4","9","4","9","2","8","1") = "8"
    & skf18("4","9","4","9","2","9","1") = "8"
    & skf18("4","9","4","9","2","10","1") = "9"
    & skf18("4","9","4","9","3","1","1") = "8"
    & skf18("4","9","4","9","3","2","1") = "8"
    & skf18("4","9","4","9","3","3","1") = "8"
    & skf18("4","9","4","9","3","4","1") = "8"
    & skf18("4","9","4","9","3","5","1") = "8"
    & skf18("4","9","4","9","3","6","1") = "8"
    & skf18("4","9","4","9","3","7","1") = "8"
    & skf18("4","9","4","9","3","8","1") = "8"
    & skf18("4","9","4","9","3","9","1") = "8"
    & skf18("4","9","4","9","3","10","1") = "9"
    & skf18("4","9","4","9","4","1","1") = "8"
    & skf18("4","9","4","9","4","2","1") = "8"
    & skf18("4","9","4","9","4","3","1") = "8"
    & skf18("4","9","4","9","4","4","1") = "8"
    & skf18("4","9","4","9","4","5","1") = "8"
    & skf18("4","9","4","9","4","6","1") = "8"
    & skf18("4","9","4","9","4","7","1") = "8"
    & skf18("4","9","4","9","4","8","1") = "8"
    & skf18("4","9","4","9","4","9","1") = "8"
    & skf18("4","9","4","9","4","10","1") = "9"
    & skf18("4","9","4","9","5","1","1") = "8"
    & skf18("4","9","4","9","5","2","1") = "8"
    & skf18("4","9","4","9","5","3","1") = "8"
    & skf18("4","9","4","9","5","4","1") = "8"
    & skf18("4","9","4","9","5","5","1") = "8"
    & skf18("4","9","4","9","5","6","1") = "8"
    & skf18("4","9","4","9","5","7","1") = "8"
    & skf18("4","9","4","9","5","8","1") = "8"
    & skf18("4","9","4","9","5","9","1") = "8"
    & skf18("4","9","4","9","5","10","1") = "9"
    & skf18("4","9","4","9","6","1","1") = "8"
    & skf18("4","9","4","9","6","2","1") = "8"
    & skf18("4","9","4","9","6","3","1") = "8"
    & skf18("4","9","4","9","6","4","1") = "8"
    & skf18("4","9","4","9","6","5","1") = "8"
    & skf18("4","9","4","9","6","6","1") = "8"
    & skf18("4","9","4","9","6","7","1") = "8"
    & skf18("4","9","4","9","6","8","1") = "8"
    & skf18("4","9","4","9","6","9","1") = "8"
    & skf18("4","9","4","9","6","10","1") = "9"
    & skf18("4","9","4","9","7","1","1") = "8"
    & skf18("4","9","4","9","7","2","1") = "8"
    & skf18("4","9","4","9","7","3","1") = "8"
    & skf18("4","9","4","9","7","4","1") = "8"
    & skf18("4","9","4","9","7","5","1") = "8"
    & skf18("4","9","4","9","7","6","1") = "8"
    & skf18("4","9","4","9","7","7","1") = "8"
    & skf18("4","9","4","9","7","8","1") = "8"
    & skf18("4","9","4","9","7","9","1") = "8"
    & skf18("4","9","4","9","7","10","1") = "9"
    & skf18("4","9","4","9","8","1","1") = "8"
    & skf18("4","9","4","9","8","2","1") = "8"
    & skf18("4","9","4","9","8","3","1") = "8"
    & skf18("4","9","4","9","8","4","1") = "8"
    & skf18("4","9","4","9","8","5","1") = "8"
    & skf18("4","9","4","9","8","6","1") = "8"
    & skf18("4","9","4","9","8","7","1") = "8"
    & skf18("4","9","4","9","8","8","1") = "8"
    & skf18("4","9","4","9","8","9","1") = "8"
    & skf18("4","9","4","9","8","10","1") = "9"
    & skf18("4","9","4","9","9","1","1") = "8"
    & skf18("4","9","4","9","9","2","1") = "8"
    & skf18("4","9","4","9","9","3","1") = "8"
    & skf18("4","9","4","9","9","4","1") = "8"
    & skf18("4","9","4","9","9","5","1") = "8"
    & skf18("4","9","4","9","9","6","1") = "8"
    & skf18("4","9","4","9","9","7","1") = "8"
    & skf18("4","9","4","9","9","8","1") = "8"
    & skf18("4","9","4","9","9","9","1") = "8"
    & skf18("4","9","4","9","9","10","1") = "9"
    & skf18("4","9","4","9","10","1","1") = "9"
    & skf18("4","9","4","9","10","2","1") = "9"
    & skf18("4","9","4","9","10","3","1") = "9"
    & skf18("4","9","4","9","10","4","1") = "9"
    & skf18("4","9","4","9","10","5","1") = "9"
    & skf18("4","9","4","9","10","6","1") = "9"
    & skf18("4","9","4","9","10","7","1") = "9"
    & skf18("4","9","4","9","10","8","1") = "9"
    & skf18("4","9","4","9","10","9","1") = "9"
    & skf18("4","9","4","9","10","10","1") = "9"
    & skf18("4","9","4","10","1","1","1") = "9"
    & skf18("4","9","4","10","1","2","1") = "9"
    & skf18("4","9","4","10","1","3","1") = "9"
    & skf18("4","9","4","10","1","4","1") = "9"
    & skf18("4","9","4","10","1","5","1") = "9"
    & skf18("4","9","4","10","1","6","1") = "9"
    & skf18("4","9","4","10","1","7","1") = "9"
    & skf18("4","9","4","10","1","8","1") = "9"
    & skf18("4","9","4","10","1","9","1") = "9"
    & skf18("4","9","4","10","1","10","1") = "9"
    & skf18("4","9","4","10","2","1","1") = "9"
    & skf18("4","9","4","10","2","2","1") = "9"
    & skf18("4","9","4","10","2","3","1") = "9"
    & skf18("4","9","4","10","2","4","1") = "9"
    & skf18("4","9","4","10","2","5","1") = "9"
    & skf18("4","9","4","10","2","6","1") = "9"
    & skf18("4","9","4","10","2","7","1") = "9"
    & skf18("4","9","4","10","2","8","1") = "9"
    & skf18("4","9","4","10","2","9","1") = "9"
    & skf18("4","9","4","10","2","10","1") = "9"
    & skf18("4","9","4","10","3","1","1") = "9"
    & skf18("4","9","4","10","3","2","1") = "9"
    & skf18("4","9","4","10","3","3","1") = "9"
    & skf18("4","9","4","10","3","4","1") = "9"
    & skf18("4","9","4","10","3","5","1") = "9"
    & skf18("4","9","4","10","3","6","1") = "9"
    & skf18("4","9","4","10","3","7","1") = "9"
    & skf18("4","9","4","10","3","8","1") = "9"
    & skf18("4","9","4","10","3","9","1") = "9"
    & skf18("4","9","4","10","3","10","1") = "9"
    & skf18("4","9","4","10","4","1","1") = "9"
    & skf18("4","9","4","10","4","2","1") = "9"
    & skf18("4","9","4","10","4","3","1") = "9"
    & skf18("4","9","4","10","4","4","1") = "9"
    & skf18("4","9","4","10","4","5","1") = "9"
    & skf18("4","9","4","10","4","6","1") = "9"
    & skf18("4","9","4","10","4","7","1") = "9"
    & skf18("4","9","4","10","4","8","1") = "9"
    & skf18("4","9","4","10","4","9","1") = "9"
    & skf18("4","9","4","10","4","10","1") = "9"
    & skf18("4","9","4","10","5","1","1") = "9"
    & skf18("4","9","4","10","5","2","1") = "9"
    & skf18("4","9","4","10","5","3","1") = "9"
    & skf18("4","9","4","10","5","4","1") = "9"
    & skf18("4","9","4","10","5","5","1") = "9"
    & skf18("4","9","4","10","5","6","1") = "9"
    & skf18("4","9","4","10","5","7","1") = "9"
    & skf18("4","9","4","10","5","8","1") = "9"
    & skf18("4","9","4","10","5","9","1") = "9"
    & skf18("4","9","4","10","5","10","1") = "9"
    & skf18("4","9","4","10","6","1","1") = "9"
    & skf18("4","9","4","10","6","2","1") = "9"
    & skf18("4","9","4","10","6","3","1") = "9"
    & skf18("4","9","4","10","6","4","1") = "9"
    & skf18("4","9","4","10","6","5","1") = "9"
    & skf18("4","9","4","10","6","6","1") = "9"
    & skf18("4","9","4","10","6","7","1") = "9"
    & skf18("4","9","4","10","6","8","1") = "9"
    & skf18("4","9","4","10","6","9","1") = "9"
    & skf18("4","9","4","10","6","10","1") = "9"
    & skf18("4","9","4","10","7","1","1") = "9"
    & skf18("4","9","4","10","7","2","1") = "9"
    & skf18("4","9","4","10","7","3","1") = "9"
    & skf18("4","9","4","10","7","4","1") = "9"
    & skf18("4","9","4","10","7","5","1") = "9"
    & skf18("4","9","4","10","7","6","1") = "9"
    & skf18("4","9","4","10","7","7","1") = "9"
    & skf18("4","9","4","10","7","8","1") = "9"
    & skf18("4","9","4","10","7","9","1") = "9"
    & skf18("4","9","4","10","7","10","1") = "9"
    & skf18("4","9","4","10","8","1","1") = "9"
    & skf18("4","9","4","10","8","2","1") = "9"
    & skf18("4","9","4","10","8","3","1") = "9"
    & skf18("4","9","4","10","8","4","1") = "9"
    & skf18("4","9","4","10","8","5","1") = "9"
    & skf18("4","9","4","10","8","6","1") = "9"
    & skf18("4","9","4","10","8","7","1") = "9"
    & skf18("4","9","4","10","8","8","1") = "9"
    & skf18("4","9","4","10","8","9","1") = "9"
    & skf18("4","9","4","10","8","10","1") = "9"
    & skf18("4","9","4","10","9","1","1") = "9"
    & skf18("4","9","4","10","9","2","1") = "9"
    & skf18("4","9","4","10","9","3","1") = "9"
    & skf18("4","9","4","10","9","4","1") = "9"
    & skf18("4","9","4","10","9","5","1") = "9"
    & skf18("4","9","4","10","9","6","1") = "9"
    & skf18("4","9","4","10","9","7","1") = "9"
    & skf18("4","9","4","10","9","8","1") = "9"
    & skf18("4","9","4","10","9","9","1") = "9"
    & skf18("4","9","4","10","9","10","1") = "9"
    & skf18("4","9","4","10","10","1","1") = "9"
    & skf18("4","9","4","10","10","2","1") = "9"
    & skf18("4","9","4","10","10","3","1") = "9"
    & skf18("4","9","4","10","10","4","1") = "9"
    & skf18("4","9","4","10","10","5","1") = "9"
    & skf18("4","9","4","10","10","6","1") = "9"
    & skf18("4","9","4","10","10","7","1") = "9"
    & skf18("4","9","4","10","10","8","1") = "9"
    & skf18("4","9","4","10","10","9","1") = "9"
    & skf18("4","9","4","10","10","10","1") = "9"
    & skf18("4","9","5","1","1","1","1") = "8"
    & skf18("4","9","5","1","1","2","1") = "8"
    & skf18("4","9","5","1","1","3","1") = "8"
    & skf18("4","9","5","1","1","4","1") = "8"
    & skf18("4","9","5","1","1","5","1") = "8"
    & skf18("4","9","5","1","1","6","1") = "8"
    & skf18("4","9","5","1","1","7","1") = "8"
    & skf18("4","9","5","1","1","8","1") = "8"
    & skf18("4","9","5","1","1","9","1") = "8"
    & skf18("4","9","5","1","1","10","1") = "9"
    & skf18("4","9","5","1","2","1","1") = "8"
    & skf18("4","9","5","1","2","2","1") = "8"
    & skf18("4","9","5","1","2","3","1") = "8"
    & skf18("4","9","5","1","2","4","1") = "8"
    & skf18("4","9","5","1","2","5","1") = "8"
    & skf18("4","9","5","1","2","6","1") = "8"
    & skf18("4","9","5","1","2","7","1") = "8"
    & skf18("4","9","5","1","2","8","1") = "8"
    & skf18("4","9","5","1","2","9","1") = "8"
    & skf18("4","9","5","1","2","10","1") = "9"
    & skf18("4","9","5","1","3","1","1") = "8"
    & skf18("4","9","5","1","3","2","1") = "8"
    & skf18("4","9","5","1","3","3","1") = "8"
    & skf18("4","9","5","1","3","4","1") = "8"
    & skf18("4","9","5","1","3","5","1") = "8"
    & skf18("4","9","5","1","3","6","1") = "8"
    & skf18("4","9","5","1","3","7","1") = "8"
    & skf18("4","9","5","1","3","8","1") = "8"
    & skf18("4","9","5","1","3","9","1") = "8"
    & skf18("4","9","5","1","3","10","1") = "9"
    & skf18("4","9","5","1","4","1","1") = "8"
    & skf18("4","9","5","1","4","2","1") = "8"
    & skf18("4","9","5","1","4","3","1") = "8"
    & skf18("4","9","5","1","4","4","1") = "8"
    & skf18("4","9","5","1","4","5","1") = "8"
    & skf18("4","9","5","1","4","6","1") = "8"
    & skf18("4","9","5","1","4","7","1") = "8"
    & skf18("4","9","5","1","4","8","1") = "8"
    & skf18("4","9","5","1","4","9","1") = "8"
    & skf18("4","9","5","1","4","10","1") = "9"
    & skf18("4","9","5","1","5","1","1") = "8"
    & skf18("4","9","5","1","5","2","1") = "8"
    & skf18("4","9","5","1","5","3","1") = "8"
    & skf18("4","9","5","1","5","4","1") = "8"
    & skf18("4","9","5","1","5","5","1") = "8"
    & skf18("4","9","5","1","5","6","1") = "8"
    & skf18("4","9","5","1","5","7","1") = "8"
    & skf18("4","9","5","1","5","8","1") = "8"
    & skf18("4","9","5","1","5","9","1") = "8"
    & skf18("4","9","5","1","5","10","1") = "9"
    & skf18("4","9","5","1","6","1","1") = "8"
    & skf18("4","9","5","1","6","2","1") = "8"
    & skf18("4","9","5","1","6","3","1") = "8"
    & skf18("4","9","5","1","6","4","1") = "8"
    & skf18("4","9","5","1","6","5","1") = "8"
    & skf18("4","9","5","1","6","6","1") = "8"
    & skf18("4","9","5","1","6","7","1") = "8"
    & skf18("4","9","5","1","6","8","1") = "8"
    & skf18("4","9","5","1","6","9","1") = "8"
    & skf18("4","9","5","1","6","10","1") = "9"
    & skf18("4","9","5","1","7","1","1") = "8"
    & skf18("4","9","5","1","7","2","1") = "8"
    & skf18("4","9","5","1","7","3","1") = "8"
    & skf18("4","9","5","1","7","4","1") = "8"
    & skf18("4","9","5","1","7","5","1") = "8"
    & skf18("4","9","5","1","7","6","1") = "8"
    & skf18("4","9","5","1","7","7","1") = "8"
    & skf18("4","9","5","1","7","8","1") = "8"
    & skf18("4","9","5","1","7","9","1") = "8"
    & skf18("4","9","5","1","7","10","1") = "9"
    & skf18("4","9","5","1","8","1","1") = "8"
    & skf18("4","9","5","1","8","2","1") = "8"
    & skf18("4","9","5","1","8","3","1") = "8"
    & skf18("4","9","5","1","8","4","1") = "8"
    & skf18("4","9","5","1","8","5","1") = "8"
    & skf18("4","9","5","1","8","6","1") = "8"
    & skf18("4","9","5","1","8","7","1") = "8"
    & skf18("4","9","5","1","8","8","1") = "8"
    & skf18("4","9","5","1","8","9","1") = "8"
    & skf18("4","9","5","1","8","10","1") = "9"
    & skf18("4","9","5","1","9","1","1") = "8"
    & skf18("4","9","5","1","9","2","1") = "8"
    & skf18("4","9","5","1","9","3","1") = "8"
    & skf18("4","9","5","1","9","4","1") = "8"
    & skf18("4","9","5","1","9","5","1") = "8"
    & skf18("4","9","5","1","9","6","1") = "8"
    & skf18("4","9","5","1","9","7","1") = "8"
    & skf18("4","9","5","1","9","8","1") = "8"
    & skf18("4","9","5","1","9","9","1") = "8"
    & skf18("4","9","5","1","9","10","1") = "9"
    & skf18("4","9","5","1","10","1","1") = "9"
    & skf18("4","9","5","1","10","2","1") = "9"
    & skf18("4","9","5","1","10","3","1") = "9"
    & skf18("4","9","5","1","10","4","1") = "9"
    & skf18("4","9","5","1","10","5","1") = "9"
    & skf18("4","9","5","1","10","6","1") = "9"
    & skf18("4","9","5","1","10","7","1") = "9"
    & skf18("4","9","5","1","10","8","1") = "9"
    & skf18("4","9","5","1","10","9","1") = "9"
    & skf18("4","9","5","1","10","10","1") = "9"
    & skf18("4","9","5","2","1","1","1") = "8"
    & skf18("4","9","5","2","1","2","1") = "8"
    & skf18("4","9","5","2","1","3","1") = "8"
    & skf18("4","9","5","2","1","4","1") = "8"
    & skf18("4","9","5","2","1","5","1") = "8"
    & skf18("4","9","5","2","1","6","1") = "8"
    & skf18("4","9","5","2","1","7","1") = "8"
    & skf18("4","9","5","2","1","8","1") = "8"
    & skf18("4","9","5","2","1","9","1") = "8"
    & skf18("4","9","5","2","1","10","1") = "9"
    & skf18("4","9","5","2","2","1","1") = "8"
    & skf18("4","9","5","2","2","2","1") = "8"
    & skf18("4","9","5","2","2","3","1") = "8"
    & skf18("4","9","5","2","2","4","1") = "8"
    & skf18("4","9","5","2","2","5","1") = "8"
    & skf18("4","9","5","2","2","6","1") = "8"
    & skf18("4","9","5","2","2","7","1") = "8"
    & skf18("4","9","5","2","2","8","1") = "8"
    & skf18("4","9","5","2","2","9","1") = "8"
    & skf18("4","9","5","2","2","10","1") = "9"
    & skf18("4","9","5","2","3","1","1") = "8"
    & skf18("4","9","5","2","3","2","1") = "8"
    & skf18("4","9","5","2","3","3","1") = "8"
    & skf18("4","9","5","2","3","4","1") = "8"
    & skf18("4","9","5","2","3","5","1") = "8"
    & skf18("4","9","5","2","3","6","1") = "8"
    & skf18("4","9","5","2","3","7","1") = "8"
    & skf18("4","9","5","2","3","8","1") = "8"
    & skf18("4","9","5","2","3","9","1") = "8"
    & skf18("4","9","5","2","3","10","1") = "9"
    & skf18("4","9","5","2","4","1","1") = "8"
    & skf18("4","9","5","2","4","2","1") = "8"
    & skf18("4","9","5","2","4","3","1") = "8"
    & skf18("4","9","5","2","4","4","1") = "8"
    & skf18("4","9","5","2","4","5","1") = "8"
    & skf18("4","9","5","2","4","6","1") = "8"
    & skf18("4","9","5","2","4","7","1") = "8"
    & skf18("4","9","5","2","4","8","1") = "8"
    & skf18("4","9","5","2","4","9","1") = "8"
    & skf18("4","9","5","2","4","10","1") = "9"
    & skf18("4","9","5","2","5","1","1") = "8"
    & skf18("4","9","5","2","5","2","1") = "8"
    & skf18("4","9","5","2","5","3","1") = "8"
    & skf18("4","9","5","2","5","4","1") = "8"
    & skf18("4","9","5","2","5","5","1") = "8"
    & skf18("4","9","5","2","5","6","1") = "8"
    & skf18("4","9","5","2","5","7","1") = "8"
    & skf18("4","9","5","2","5","8","1") = "8"
    & skf18("4","9","5","2","5","9","1") = "8"
    & skf18("4","9","5","2","5","10","1") = "9"
    & skf18("4","9","5","2","6","1","1") = "8"
    & skf18("4","9","5","2","6","2","1") = "8"
    & skf18("4","9","5","2","6","3","1") = "8"
    & skf18("4","9","5","2","6","4","1") = "8"
    & skf18("4","9","5","2","6","5","1") = "8"
    & skf18("4","9","5","2","6","6","1") = "8"
    & skf18("4","9","5","2","6","7","1") = "8"
    & skf18("4","9","5","2","6","8","1") = "8"
    & skf18("4","9","5","2","6","9","1") = "8"
    & skf18("4","9","5","2","6","10","1") = "9"
    & skf18("4","9","5","2","7","1","1") = "8"
    & skf18("4","9","5","2","7","2","1") = "8"
    & skf18("4","9","5","2","7","3","1") = "8"
    & skf18("4","9","5","2","7","4","1") = "8"
    & skf18("4","9","5","2","7","5","1") = "8"
    & skf18("4","9","5","2","7","6","1") = "8"
    & skf18("4","9","5","2","7","7","1") = "8"
    & skf18("4","9","5","2","7","8","1") = "8"
    & skf18("4","9","5","2","7","9","1") = "8"
    & skf18("4","9","5","2","7","10","1") = "9"
    & skf18("4","9","5","2","8","1","1") = "8"
    & skf18("4","9","5","2","8","2","1") = "8"
    & skf18("4","9","5","2","8","3","1") = "8"
    & skf18("4","9","5","2","8","4","1") = "8"
    & skf18("4","9","5","2","8","5","1") = "8"
    & skf18("4","9","5","2","8","6","1") = "8"
    & skf18("4","9","5","2","8","7","1") = "8"
    & skf18("4","9","5","2","8","8","1") = "8"
    & skf18("4","9","5","2","8","9","1") = "8"
    & skf18("4","9","5","2","8","10","1") = "9"
    & skf18("4","9","5","2","9","1","1") = "8"
    & skf18("4","9","5","2","9","2","1") = "8"
    & skf18("4","9","5","2","9","3","1") = "8"
    & skf18("4","9","5","2","9","4","1") = "8"
    & skf18("4","9","5","2","9","5","1") = "8"
    & skf18("4","9","5","2","9","6","1") = "8"
    & skf18("4","9","5","2","9","7","1") = "8"
    & skf18("4","9","5","2","9","8","1") = "8"
    & skf18("4","9","5","2","9","9","1") = "8"
    & skf18("4","9","5","2","9","10","1") = "9"
    & skf18("4","9","5","2","10","1","1") = "9"
    & skf18("4","9","5","2","10","2","1") = "9"
    & skf18("4","9","5","2","10","3","1") = "9"
    & skf18("4","9","5","2","10","4","1") = "9"
    & skf18("4","9","5","2","10","5","1") = "9"
    & skf18("4","9","5","2","10","6","1") = "9"
    & skf18("4","9","5","2","10","7","1") = "9"
    & skf18("4","9","5","2","10","8","1") = "9"
    & skf18("4","9","5","2","10","9","1") = "9"
    & skf18("4","9","5","2","10","10","1") = "9"
    & skf18("4","9","5","3","1","1","1") = "8"
    & skf18("4","9","5","3","1","2","1") = "8"
    & skf18("4","9","5","3","1","3","1") = "8"
    & skf18("4","9","5","3","1","4","1") = "8"
    & skf18("4","9","5","3","1","5","1") = "8"
    & skf18("4","9","5","3","1","6","1") = "8"
    & skf18("4","9","5","3","1","7","1") = "8"
    & skf18("4","9","5","3","1","8","1") = "8"
    & skf18("4","9","5","3","1","9","1") = "8"
    & skf18("4","9","5","3","1","10","1") = "9"
    & skf18("4","9","5","3","2","1","1") = "8"
    & skf18("4","9","5","3","2","2","1") = "8"
    & skf18("4","9","5","3","2","3","1") = "8"
    & skf18("4","9","5","3","2","4","1") = "8"
    & skf18("4","9","5","3","2","5","1") = "8"
    & skf18("4","9","5","3","2","6","1") = "8"
    & skf18("4","9","5","3","2","7","1") = "8"
    & skf18("4","9","5","3","2","8","1") = "8"
    & skf18("4","9","5","3","2","9","1") = "8"
    & skf18("4","9","5","3","2","10","1") = "9"
    & skf18("4","9","5","3","3","1","1") = "8"
    & skf18("4","9","5","3","3","2","1") = "8"
    & skf18("4","9","5","3","3","3","1") = "8"
    & skf18("4","9","5","3","3","4","1") = "8"
    & skf18("4","9","5","3","3","5","1") = "8"
    & skf18("4","9","5","3","3","6","1") = "8"
    & skf18("4","9","5","3","3","7","1") = "8"
    & skf18("4","9","5","3","3","8","1") = "8"
    & skf18("4","9","5","3","3","9","1") = "8"
    & skf18("4","9","5","3","3","10","1") = "9"
    & skf18("4","9","5","3","4","1","1") = "8"
    & skf18("4","9","5","3","4","2","1") = "8"
    & skf18("4","9","5","3","4","3","1") = "8"
    & skf18("4","9","5","3","4","4","1") = "8"
    & skf18("4","9","5","3","4","5","1") = "8"
    & skf18("4","9","5","3","4","6","1") = "8"
    & skf18("4","9","5","3","4","7","1") = "8"
    & skf18("4","9","5","3","4","8","1") = "8"
    & skf18("4","9","5","3","4","9","1") = "8"
    & skf18("4","9","5","3","4","10","1") = "9"
    & skf18("4","9","5","3","5","1","1") = "8"
    & skf18("4","9","5","3","5","2","1") = "8"
    & skf18("4","9","5","3","5","3","1") = "8"
    & skf18("4","9","5","3","5","4","1") = "8"
    & skf18("4","9","5","3","5","5","1") = "8"
    & skf18("4","9","5","3","5","6","1") = "8"
    & skf18("4","9","5","3","5","7","1") = "8"
    & skf18("4","9","5","3","5","8","1") = "8"
    & skf18("4","9","5","3","5","9","1") = "8"
    & skf18("4","9","5","3","5","10","1") = "9"
    & skf18("4","9","5","3","6","1","1") = "8"
    & skf18("4","9","5","3","6","2","1") = "8"
    & skf18("4","9","5","3","6","3","1") = "8"
    & skf18("4","9","5","3","6","4","1") = "8"
    & skf18("4","9","5","3","6","5","1") = "8"
    & skf18("4","9","5","3","6","6","1") = "8"
    & skf18("4","9","5","3","6","7","1") = "8"
    & skf18("4","9","5","3","6","8","1") = "8"
    & skf18("4","9","5","3","6","9","1") = "8"
    & skf18("4","9","5","3","6","10","1") = "9"
    & skf18("4","9","5","3","7","1","1") = "8"
    & skf18("4","9","5","3","7","2","1") = "8"
    & skf18("4","9","5","3","7","3","1") = "8"
    & skf18("4","9","5","3","7","4","1") = "8"
    & skf18("4","9","5","3","7","5","1") = "8"
    & skf18("4","9","5","3","7","6","1") = "8"
    & skf18("4","9","5","3","7","7","1") = "8"
    & skf18("4","9","5","3","7","8","1") = "8"
    & skf18("4","9","5","3","7","9","1") = "8"
    & skf18("4","9","5","3","7","10","1") = "9"
    & skf18("4","9","5","3","8","1","1") = "8"
    & skf18("4","9","5","3","8","2","1") = "8"
    & skf18("4","9","5","3","8","3","1") = "8"
    & skf18("4","9","5","3","8","4","1") = "8"
    & skf18("4","9","5","3","8","5","1") = "8"
    & skf18("4","9","5","3","8","6","1") = "8"
    & skf18("4","9","5","3","8","7","1") = "8"
    & skf18("4","9","5","3","8","8","1") = "8"
    & skf18("4","9","5","3","8","9","1") = "8"
    & skf18("4","9","5","3","8","10","1") = "9"
    & skf18("4","9","5","3","9","1","1") = "8"
    & skf18("4","9","5","3","9","2","1") = "8"
    & skf18("4","9","5","3","9","3","1") = "8"
    & skf18("4","9","5","3","9","4","1") = "8"
    & skf18("4","9","5","3","9","5","1") = "8"
    & skf18("4","9","5","3","9","6","1") = "8"
    & skf18("4","9","5","3","9","7","1") = "8"
    & skf18("4","9","5","3","9","8","1") = "8"
    & skf18("4","9","5","3","9","9","1") = "8"
    & skf18("4","9","5","3","9","10","1") = "9"
    & skf18("4","9","5","3","10","1","1") = "9"
    & skf18("4","9","5","3","10","2","1") = "9"
    & skf18("4","9","5","3","10","3","1") = "9"
    & skf18("4","9","5","3","10","4","1") = "9"
    & skf18("4","9","5","3","10","5","1") = "9"
    & skf18("4","9","5","3","10","6","1") = "9"
    & skf18("4","9","5","3","10","7","1") = "9"
    & skf18("4","9","5","3","10","8","1") = "9"
    & skf18("4","9","5","3","10","9","1") = "9"
    & skf18("4","9","5","3","10","10","1") = "9"
    & skf18("4","9","5","4","1","1","1") = "8"
    & skf18("4","9","5","4","1","2","1") = "8"
    & skf18("4","9","5","4","1","3","1") = "8"
    & skf18("4","9","5","4","1","4","1") = "8"
    & skf18("4","9","5","4","1","5","1") = "8"
    & skf18("4","9","5","4","1","6","1") = "8"
    & skf18("4","9","5","4","1","7","1") = "8"
    & skf18("4","9","5","4","1","8","1") = "8"
    & skf18("4","9","5","4","1","9","1") = "8"
    & skf18("4","9","5","4","1","10","1") = "9"
    & skf18("4","9","5","4","2","1","1") = "8"
    & skf18("4","9","5","4","2","2","1") = "8"
    & skf18("4","9","5","4","2","3","1") = "8"
    & skf18("4","9","5","4","2","4","1") = "8"
    & skf18("4","9","5","4","2","5","1") = "8"
    & skf18("4","9","5","4","2","6","1") = "8"
    & skf18("4","9","5","4","2","7","1") = "8"
    & skf18("4","9","5","4","2","8","1") = "8"
    & skf18("4","9","5","4","2","9","1") = "8"
    & skf18("4","9","5","4","2","10","1") = "9"
    & skf18("4","9","5","4","3","1","1") = "8"
    & skf18("4","9","5","4","3","2","1") = "8"
    & skf18("4","9","5","4","3","3","1") = "8"
    & skf18("4","9","5","4","3","4","1") = "8"
    & skf18("4","9","5","4","3","5","1") = "8"
    & skf18("4","9","5","4","3","6","1") = "8"
    & skf18("4","9","5","4","3","7","1") = "8"
    & skf18("4","9","5","4","3","8","1") = "8"
    & skf18("4","9","5","4","3","9","1") = "8"
    & skf18("4","9","5","4","3","10","1") = "9"
    & skf18("4","9","5","4","4","1","1") = "8"
    & skf18("4","9","5","4","4","2","1") = "8"
    & skf18("4","9","5","4","4","3","1") = "8"
    & skf18("4","9","5","4","4","4","1") = "8"
    & skf18("4","9","5","4","4","5","1") = "8"
    & skf18("4","9","5","4","4","6","1") = "8"
    & skf18("4","9","5","4","4","7","1") = "8"
    & skf18("4","9","5","4","4","8","1") = "8"
    & skf18("4","9","5","4","4","9","1") = "8"
    & skf18("4","9","5","4","4","10","1") = "9"
    & skf18("4","9","5","4","5","1","1") = "8"
    & skf18("4","9","5","4","5","2","1") = "8"
    & skf18("4","9","5","4","5","3","1") = "8"
    & skf18("4","9","5","4","5","4","1") = "8"
    & skf18("4","9","5","4","5","5","1") = "8"
    & skf18("4","9","5","4","5","6","1") = "8"
    & skf18("4","9","5","4","5","7","1") = "8"
    & skf18("4","9","5","4","5","8","1") = "8"
    & skf18("4","9","5","4","5","9","1") = "8"
    & skf18("4","9","5","4","5","10","1") = "9"
    & skf18("4","9","5","4","6","1","1") = "8"
    & skf18("4","9","5","4","6","2","1") = "8"
    & skf18("4","9","5","4","6","3","1") = "8"
    & skf18("4","9","5","4","6","4","1") = "8"
    & skf18("4","9","5","4","6","5","1") = "8"
    & skf18("4","9","5","4","6","6","1") = "8"
    & skf18("4","9","5","4","6","7","1") = "8"
    & skf18("4","9","5","4","6","8","1") = "8"
    & skf18("4","9","5","4","6","9","1") = "8"
    & skf18("4","9","5","4","6","10","1") = "9"
    & skf18("4","9","5","4","7","1","1") = "8"
    & skf18("4","9","5","4","7","2","1") = "8"
    & skf18("4","9","5","4","7","3","1") = "8"
    & skf18("4","9","5","4","7","4","1") = "8"
    & skf18("4","9","5","4","7","5","1") = "8"
    & skf18("4","9","5","4","7","6","1") = "8"
    & skf18("4","9","5","4","7","7","1") = "8"
    & skf18("4","9","5","4","7","8","1") = "8"
    & skf18("4","9","5","4","7","9","1") = "8"
    & skf18("4","9","5","4","7","10","1") = "9"
    & skf18("4","9","5","4","8","1","1") = "8"
    & skf18("4","9","5","4","8","2","1") = "8"
    & skf18("4","9","5","4","8","3","1") = "8"
    & skf18("4","9","5","4","8","4","1") = "8"
    & skf18("4","9","5","4","8","5","1") = "8"
    & skf18("4","9","5","4","8","6","1") = "8"
    & skf18("4","9","5","4","8","7","1") = "8"
    & skf18("4","9","5","4","8","8","1") = "8"
    & skf18("4","9","5","4","8","9","1") = "8"
    & skf18("4","9","5","4","8","10","1") = "9"
    & skf18("4","9","5","4","9","1","1") = "8"
    & skf18("4","9","5","4","9","2","1") = "8"
    & skf18("4","9","5","4","9","3","1") = "8"
    & skf18("4","9","5","4","9","4","1") = "8"
    & skf18("4","9","5","4","9","5","1") = "8"
    & skf18("4","9","5","4","9","6","1") = "8"
    & skf18("4","9","5","4","9","7","1") = "8"
    & skf18("4","9","5","4","9","8","1") = "8"
    & skf18("4","9","5","4","9","9","1") = "8"
    & skf18("4","9","5","4","9","10","1") = "9"
    & skf18("4","9","5","4","10","1","1") = "9"
    & skf18("4","9","5","4","10","2","1") = "9"
    & skf18("4","9","5","4","10","3","1") = "9"
    & skf18("4","9","5","4","10","4","1") = "9"
    & skf18("4","9","5","4","10","5","1") = "9"
    & skf18("4","9","5","4","10","6","1") = "9"
    & skf18("4","9","5","4","10","7","1") = "9"
    & skf18("4","9","5","4","10","8","1") = "9"
    & skf18("4","9","5","4","10","9","1") = "9"
    & skf18("4","9","5","4","10","10","1") = "9"
    & skf18("4","9","5","5","1","1","1") = "8"
    & skf18("4","9","5","5","1","2","1") = "8"
    & skf18("4","9","5","5","1","3","1") = "8"
    & skf18("4","9","5","5","1","4","1") = "8"
    & skf18("4","9","5","5","1","5","1") = "8"
    & skf18("4","9","5","5","1","6","1") = "8"
    & skf18("4","9","5","5","1","7","1") = "8"
    & skf18("4","9","5","5","1","8","1") = "8"
    & skf18("4","9","5","5","1","9","1") = "8"
    & skf18("4","9","5","5","1","10","1") = "9"
    & skf18("4","9","5","5","2","1","1") = "8"
    & skf18("4","9","5","5","2","2","1") = "8"
    & skf18("4","9","5","5","2","3","1") = "8"
    & skf18("4","9","5","5","2","4","1") = "8"
    & skf18("4","9","5","5","2","5","1") = "8"
    & skf18("4","9","5","5","2","6","1") = "8"
    & skf18("4","9","5","5","2","7","1") = "8"
    & skf18("4","9","5","5","2","8","1") = "8"
    & skf18("4","9","5","5","2","9","1") = "8"
    & skf18("4","9","5","5","2","10","1") = "9"
    & skf18("4","9","5","5","3","1","1") = "8"
    & skf18("4","9","5","5","3","2","1") = "8"
    & skf18("4","9","5","5","3","3","1") = "8"
    & skf18("4","9","5","5","3","4","1") = "8"
    & skf18("4","9","5","5","3","5","1") = "8"
    & skf18("4","9","5","5","3","6","1") = "8"
    & skf18("4","9","5","5","3","7","1") = "8"
    & skf18("4","9","5","5","3","8","1") = "8"
    & skf18("4","9","5","5","3","9","1") = "8"
    & skf18("4","9","5","5","3","10","1") = "9"
    & skf18("4","9","5","5","4","1","1") = "8"
    & skf18("4","9","5","5","4","2","1") = "8"
    & skf18("4","9","5","5","4","3","1") = "8"
    & skf18("4","9","5","5","4","4","1") = "8"
    & skf18("4","9","5","5","4","5","1") = "8"
    & skf18("4","9","5","5","4","6","1") = "8"
    & skf18("4","9","5","5","4","7","1") = "8"
    & skf18("4","9","5","5","4","8","1") = "8"
    & skf18("4","9","5","5","4","9","1") = "8"
    & skf18("4","9","5","5","4","10","1") = "9"
    & skf18("4","9","5","5","5","1","1") = "8"
    & skf18("4","9","5","5","5","2","1") = "8"
    & skf18("4","9","5","5","5","3","1") = "8"
    & skf18("4","9","5","5","5","4","1") = "8"
    & skf18("4","9","5","5","5","5","1") = "8"
    & skf18("4","9","5","5","5","6","1") = "8"
    & skf18("4","9","5","5","5","7","1") = "8"
    & skf18("4","9","5","5","5","8","1") = "8"
    & skf18("4","9","5","5","5","9","1") = "8"
    & skf18("4","9","5","5","5","10","1") = "9"
    & skf18("4","9","5","5","6","1","1") = "8"
    & skf18("4","9","5","5","6","2","1") = "8"
    & skf18("4","9","5","5","6","3","1") = "8"
    & skf18("4","9","5","5","6","4","1") = "8"
    & skf18("4","9","5","5","6","5","1") = "8"
    & skf18("4","9","5","5","6","6","1") = "8"
    & skf18("4","9","5","5","6","7","1") = "8"
    & skf18("4","9","5","5","6","8","1") = "8"
    & skf18("4","9","5","5","6","9","1") = "8"
    & skf18("4","9","5","5","6","10","1") = "9"
    & skf18("4","9","5","5","7","1","1") = "8"
    & skf18("4","9","5","5","7","2","1") = "8"
    & skf18("4","9","5","5","7","3","1") = "8"
    & skf18("4","9","5","5","7","4","1") = "8"
    & skf18("4","9","5","5","7","5","1") = "8"
    & skf18("4","9","5","5","7","6","1") = "8"
    & skf18("4","9","5","5","7","7","1") = "8"
    & skf18("4","9","5","5","7","8","1") = "8"
    & skf18("4","9","5","5","7","9","1") = "8"
    & skf18("4","9","5","5","7","10","1") = "9"
    & skf18("4","9","5","5","8","1","1") = "8"
    & skf18("4","9","5","5","8","2","1") = "8"
    & skf18("4","9","5","5","8","3","1") = "8"
    & skf18("4","9","5","5","8","4","1") = "8"
    & skf18("4","9","5","5","8","5","1") = "8"
    & skf18("4","9","5","5","8","6","1") = "8"
    & skf18("4","9","5","5","8","7","1") = "8"
    & skf18("4","9","5","5","8","8","1") = "8"
    & skf18("4","9","5","5","8","9","1") = "8"
    & skf18("4","9","5","5","8","10","1") = "9"
    & skf18("4","9","5","5","9","1","1") = "8"
    & skf18("4","9","5","5","9","2","1") = "8"
    & skf18("4","9","5","5","9","3","1") = "8"
    & skf18("4","9","5","5","9","4","1") = "8"
    & skf18("4","9","5","5","9","5","1") = "8"
    & skf18("4","9","5","5","9","6","1") = "8"
    & skf18("4","9","5","5","9","7","1") = "8"
    & skf18("4","9","5","5","9","8","1") = "8"
    & skf18("4","9","5","5","9","9","1") = "8"
    & skf18("4","9","5","5","9","10","1") = "9"
    & skf18("4","9","5","5","10","1","1") = "9"
    & skf18("4","9","5","5","10","2","1") = "9"
    & skf18("4","9","5","5","10","3","1") = "9"
    & skf18("4","9","5","5","10","4","1") = "9"
    & skf18("4","9","5","5","10","5","1") = "9"
    & skf18("4","9","5","5","10","6","1") = "9"
    & skf18("4","9","5","5","10","7","1") = "9"
    & skf18("4","9","5","5","10","8","1") = "9"
    & skf18("4","9","5","5","10","9","1") = "9"
    & skf18("4","9","5","5","10","10","1") = "9"
    & skf18("4","9","5","6","1","1","1") = "8"
    & skf18("4","9","5","6","1","2","1") = "8"
    & skf18("4","9","5","6","1","3","1") = "8"
    & skf18("4","9","5","6","1","4","1") = "8"
    & skf18("4","9","5","6","1","5","1") = "8"
    & skf18("4","9","5","6","1","6","1") = "8"
    & skf18("4","9","5","6","1","7","1") = "8"
    & skf18("4","9","5","6","1","8","1") = "8"
    & skf18("4","9","5","6","1","9","1") = "8"
    & skf18("4","9","5","6","1","10","1") = "9"
    & skf18("4","9","5","6","2","1","1") = "8"
    & skf18("4","9","5","6","2","2","1") = "8"
    & skf18("4","9","5","6","2","3","1") = "8"
    & skf18("4","9","5","6","2","4","1") = "8"
    & skf18("4","9","5","6","2","5","1") = "8"
    & skf18("4","9","5","6","2","6","1") = "8"
    & skf18("4","9","5","6","2","7","1") = "8"
    & skf18("4","9","5","6","2","8","1") = "8"
    & skf18("4","9","5","6","2","9","1") = "8"
    & skf18("4","9","5","6","2","10","1") = "9"
    & skf18("4","9","5","6","3","1","1") = "8"
    & skf18("4","9","5","6","3","2","1") = "8"
    & skf18("4","9","5","6","3","3","1") = "8"
    & skf18("4","9","5","6","3","4","1") = "8"
    & skf18("4","9","5","6","3","5","1") = "8"
    & skf18("4","9","5","6","3","6","1") = "8"
    & skf18("4","9","5","6","3","7","1") = "8"
    & skf18("4","9","5","6","3","8","1") = "8"
    & skf18("4","9","5","6","3","9","1") = "8"
    & skf18("4","9","5","6","3","10","1") = "9"
    & skf18("4","9","5","6","4","1","1") = "8"
    & skf18("4","9","5","6","4","2","1") = "8"
    & skf18("4","9","5","6","4","3","1") = "8"
    & skf18("4","9","5","6","4","4","1") = "8"
    & skf18("4","9","5","6","4","5","1") = "8"
    & skf18("4","9","5","6","4","6","1") = "8"
    & skf18("4","9","5","6","4","7","1") = "8"
    & skf18("4","9","5","6","4","8","1") = "8"
    & skf18("4","9","5","6","4","9","1") = "8"
    & skf18("4","9","5","6","4","10","1") = "9"
    & skf18("4","9","5","6","5","1","1") = "8"
    & skf18("4","9","5","6","5","2","1") = "8"
    & skf18("4","9","5","6","5","3","1") = "8"
    & skf18("4","9","5","6","5","4","1") = "8"
    & skf18("4","9","5","6","5","5","1") = "8"
    & skf18("4","9","5","6","5","6","1") = "8"
    & skf18("4","9","5","6","5","7","1") = "8"
    & skf18("4","9","5","6","5","8","1") = "8"
    & skf18("4","9","5","6","5","9","1") = "8"
    & skf18("4","9","5","6","5","10","1") = "9"
    & skf18("4","9","5","6","6","1","1") = "8"
    & skf18("4","9","5","6","6","2","1") = "8"
    & skf18("4","9","5","6","6","3","1") = "8"
    & skf18("4","9","5","6","6","4","1") = "8"
    & skf18("4","9","5","6","6","5","1") = "8"
    & skf18("4","9","5","6","6","6","1") = "8"
    & skf18("4","9","5","6","6","7","1") = "8"
    & skf18("4","9","5","6","6","8","1") = "8"
    & skf18("4","9","5","6","6","9","1") = "8"
    & skf18("4","9","5","6","6","10","1") = "9"
    & skf18("4","9","5","6","7","1","1") = "8"
    & skf18("4","9","5","6","7","2","1") = "8"
    & skf18("4","9","5","6","7","3","1") = "8"
    & skf18("4","9","5","6","7","4","1") = "8"
    & skf18("4","9","5","6","7","5","1") = "8"
    & skf18("4","9","5","6","7","6","1") = "8"
    & skf18("4","9","5","6","7","7","1") = "8"
    & skf18("4","9","5","6","7","8","1") = "8"
    & skf18("4","9","5","6","7","9","1") = "8"
    & skf18("4","9","5","6","7","10","1") = "9"
    & skf18("4","9","5","6","8","1","1") = "8"
    & skf18("4","9","5","6","8","2","1") = "8"
    & skf18("4","9","5","6","8","3","1") = "8"
    & skf18("4","9","5","6","8","4","1") = "8"
    & skf18("4","9","5","6","8","5","1") = "8"
    & skf18("4","9","5","6","8","6","1") = "8"
    & skf18("4","9","5","6","8","7","1") = "8"
    & skf18("4","9","5","6","8","8","1") = "8"
    & skf18("4","9","5","6","8","9","1") = "8"
    & skf18("4","9","5","6","8","10","1") = "9"
    & skf18("4","9","5","6","9","1","1") = "8"
    & skf18("4","9","5","6","9","2","1") = "8"
    & skf18("4","9","5","6","9","3","1") = "8"
    & skf18("4","9","5","6","9","4","1") = "8"
    & skf18("4","9","5","6","9","5","1") = "8"
    & skf18("4","9","5","6","9","6","1") = "8"
    & skf18("4","9","5","6","9","7","1") = "8"
    & skf18("4","9","5","6","9","8","1") = "8"
    & skf18("4","9","5","6","9","9","1") = "8"
    & skf18("4","9","5","6","9","10","1") = "9"
    & skf18("4","9","5","6","10","1","1") = "9"
    & skf18("4","9","5","6","10","2","1") = "9"
    & skf18("4","9","5","6","10","3","1") = "9"
    & skf18("4","9","5","6","10","4","1") = "9"
    & skf18("4","9","5","6","10","5","1") = "9"
    & skf18("4","9","5","6","10","6","1") = "9"
    & skf18("4","9","5","6","10","7","1") = "9"
    & skf18("4","9","5","6","10","8","1") = "9"
    & skf18("4","9","5","6","10","9","1") = "9"
    & skf18("4","9","5","6","10","10","1") = "9"
    & skf18("4","9","5","7","1","1","1") = "8"
    & skf18("4","9","5","7","1","2","1") = "8"
    & skf18("4","9","5","7","1","3","1") = "8"
    & skf18("4","9","5","7","1","4","1") = "8"
    & skf18("4","9","5","7","1","5","1") = "8"
    & skf18("4","9","5","7","1","6","1") = "8"
    & skf18("4","9","5","7","1","7","1") = "8"
    & skf18("4","9","5","7","1","8","1") = "8"
    & skf18("4","9","5","7","1","9","1") = "8"
    & skf18("4","9","5","7","1","10","1") = "9"
    & skf18("4","9","5","7","2","1","1") = "8"
    & skf18("4","9","5","7","2","2","1") = "8"
    & skf18("4","9","5","7","2","3","1") = "8"
    & skf18("4","9","5","7","2","4","1") = "8"
    & skf18("4","9","5","7","2","5","1") = "8"
    & skf18("4","9","5","7","2","6","1") = "8"
    & skf18("4","9","5","7","2","7","1") = "8"
    & skf18("4","9","5","7","2","8","1") = "8"
    & skf18("4","9","5","7","2","9","1") = "8"
    & skf18("4","9","5","7","2","10","1") = "9"
    & skf18("4","9","5","7","3","1","1") = "8"
    & skf18("4","9","5","7","3","2","1") = "8"
    & skf18("4","9","5","7","3","3","1") = "8"
    & skf18("4","9","5","7","3","4","1") = "8"
    & skf18("4","9","5","7","3","5","1") = "8"
    & skf18("4","9","5","7","3","6","1") = "8"
    & skf18("4","9","5","7","3","7","1") = "8"
    & skf18("4","9","5","7","3","8","1") = "8"
    & skf18("4","9","5","7","3","9","1") = "8"
    & skf18("4","9","5","7","3","10","1") = "9"
    & skf18("4","9","5","7","4","1","1") = "8"
    & skf18("4","9","5","7","4","2","1") = "8"
    & skf18("4","9","5","7","4","3","1") = "8"
    & skf18("4","9","5","7","4","4","1") = "8"
    & skf18("4","9","5","7","4","5","1") = "8"
    & skf18("4","9","5","7","4","6","1") = "8"
    & skf18("4","9","5","7","4","7","1") = "8"
    & skf18("4","9","5","7","4","8","1") = "8"
    & skf18("4","9","5","7","4","9","1") = "8"
    & skf18("4","9","5","7","4","10","1") = "9"
    & skf18("4","9","5","7","5","1","1") = "8"
    & skf18("4","9","5","7","5","2","1") = "8"
    & skf18("4","9","5","7","5","3","1") = "8"
    & skf18("4","9","5","7","5","4","1") = "8"
    & skf18("4","9","5","7","5","5","1") = "8"
    & skf18("4","9","5","7","5","6","1") = "8"
    & skf18("4","9","5","7","5","7","1") = "8"
    & skf18("4","9","5","7","5","8","1") = "8"
    & skf18("4","9","5","7","5","9","1") = "8"
    & skf18("4","9","5","7","5","10","1") = "9"
    & skf18("4","9","5","7","6","1","1") = "8"
    & skf18("4","9","5","7","6","2","1") = "8"
    & skf18("4","9","5","7","6","3","1") = "8"
    & skf18("4","9","5","7","6","4","1") = "8"
    & skf18("4","9","5","7","6","5","1") = "8"
    & skf18("4","9","5","7","6","6","1") = "8"
    & skf18("4","9","5","7","6","7","1") = "8"
    & skf18("4","9","5","7","6","8","1") = "8"
    & skf18("4","9","5","7","6","9","1") = "8"
    & skf18("4","9","5","7","6","10","1") = "9"
    & skf18("4","9","5","7","7","1","1") = "8"
    & skf18("4","9","5","7","7","2","1") = "8"
    & skf18("4","9","5","7","7","3","1") = "8"
    & skf18("4","9","5","7","7","4","1") = "8"
    & skf18("4","9","5","7","7","5","1") = "8"
    & skf18("4","9","5","7","7","6","1") = "8"
    & skf18("4","9","5","7","7","7","1") = "8"
    & skf18("4","9","5","7","7","8","1") = "8"
    & skf18("4","9","5","7","7","9","1") = "8"
    & skf18("4","9","5","7","7","10","1") = "9"
    & skf18("4","9","5","7","8","1","1") = "8"
    & skf18("4","9","5","7","8","2","1") = "8"
    & skf18("4","9","5","7","8","3","1") = "8"
    & skf18("4","9","5","7","8","4","1") = "8"
    & skf18("4","9","5","7","8","5","1") = "8"
    & skf18("4","9","5","7","8","6","1") = "8"
    & skf18("4","9","5","7","8","7","1") = "8"
    & skf18("4","9","5","7","8","8","1") = "8"
    & skf18("4","9","5","7","8","9","1") = "8"
    & skf18("4","9","5","7","8","10","1") = "9"
    & skf18("4","9","5","7","9","1","1") = "8"
    & skf18("4","9","5","7","9","2","1") = "8"
    & skf18("4","9","5","7","9","3","1") = "8"
    & skf18("4","9","5","7","9","4","1") = "8"
    & skf18("4","9","5","7","9","5","1") = "8"
    & skf18("4","9","5","7","9","6","1") = "8"
    & skf18("4","9","5","7","9","7","1") = "8"
    & skf18("4","9","5","7","9","8","1") = "8"
    & skf18("4","9","5","7","9","9","1") = "8"
    & skf18("4","9","5","7","9","10","1") = "9"
    & skf18("4","9","5","7","10","1","1") = "9"
    & skf18("4","9","5","7","10","2","1") = "9"
    & skf18("4","9","5","7","10","3","1") = "9"
    & skf18("4","9","5","7","10","4","1") = "9"
    & skf18("4","9","5","7","10","5","1") = "9"
    & skf18("4","9","5","7","10","6","1") = "9"
    & skf18("4","9","5","7","10","7","1") = "9"
    & skf18("4","9","5","7","10","8","1") = "9"
    & skf18("4","9","5","7","10","9","1") = "9"
    & skf18("4","9","5","7","10","10","1") = "9"
    & skf18("4","9","5","8","1","1","1") = "8"
    & skf18("4","9","5","8","1","2","1") = "8"
    & skf18("4","9","5","8","1","3","1") = "8"
    & skf18("4","9","5","8","1","4","1") = "8"
    & skf18("4","9","5","8","1","5","1") = "8"
    & skf18("4","9","5","8","1","6","1") = "8"
    & skf18("4","9","5","8","1","7","1") = "8"
    & skf18("4","9","5","8","1","8","1") = "8"
    & skf18("4","9","5","8","1","9","1") = "8"
    & skf18("4","9","5","8","1","10","1") = "9"
    & skf18("4","9","5","8","2","1","1") = "8"
    & skf18("4","9","5","8","2","2","1") = "8"
    & skf18("4","9","5","8","2","3","1") = "8"
    & skf18("4","9","5","8","2","4","1") = "8"
    & skf18("4","9","5","8","2","5","1") = "8"
    & skf18("4","9","5","8","2","6","1") = "8"
    & skf18("4","9","5","8","2","7","1") = "8"
    & skf18("4","9","5","8","2","8","1") = "8"
    & skf18("4","9","5","8","2","9","1") = "8"
    & skf18("4","9","5","8","2","10","1") = "9"
    & skf18("4","9","5","8","3","1","1") = "8"
    & skf18("4","9","5","8","3","2","1") = "8"
    & skf18("4","9","5","8","3","3","1") = "8"
    & skf18("4","9","5","8","3","4","1") = "8"
    & skf18("4","9","5","8","3","5","1") = "8"
    & skf18("4","9","5","8","3","6","1") = "8"
    & skf18("4","9","5","8","3","7","1") = "8"
    & skf18("4","9","5","8","3","8","1") = "8"
    & skf18("4","9","5","8","3","9","1") = "8"
    & skf18("4","9","5","8","3","10","1") = "9"
    & skf18("4","9","5","8","4","1","1") = "8"
    & skf18("4","9","5","8","4","2","1") = "8"
    & skf18("4","9","5","8","4","3","1") = "8"
    & skf18("4","9","5","8","4","4","1") = "8"
    & skf18("4","9","5","8","4","5","1") = "8"
    & skf18("4","9","5","8","4","6","1") = "8"
    & skf18("4","9","5","8","4","7","1") = "8"
    & skf18("4","9","5","8","4","8","1") = "8"
    & skf18("4","9","5","8","4","9","1") = "8"
    & skf18("4","9","5","8","4","10","1") = "9"
    & skf18("4","9","5","8","5","1","1") = "8"
    & skf18("4","9","5","8","5","2","1") = "8"
    & skf18("4","9","5","8","5","3","1") = "8"
    & skf18("4","9","5","8","5","4","1") = "8"
    & skf18("4","9","5","8","5","5","1") = "8"
    & skf18("4","9","5","8","5","6","1") = "8"
    & skf18("4","9","5","8","5","7","1") = "8"
    & skf18("4","9","5","8","5","8","1") = "8"
    & skf18("4","9","5","8","5","9","1") = "8"
    & skf18("4","9","5","8","5","10","1") = "9"
    & skf18("4","9","5","8","6","1","1") = "8"
    & skf18("4","9","5","8","6","2","1") = "8"
    & skf18("4","9","5","8","6","3","1") = "8"
    & skf18("4","9","5","8","6","4","1") = "8"
    & skf18("4","9","5","8","6","5","1") = "8"
    & skf18("4","9","5","8","6","6","1") = "8"
    & skf18("4","9","5","8","6","7","1") = "8"
    & skf18("4","9","5","8","6","8","1") = "8"
    & skf18("4","9","5","8","6","9","1") = "8"
    & skf18("4","9","5","8","6","10","1") = "9"
    & skf18("4","9","5","8","7","1","1") = "8"
    & skf18("4","9","5","8","7","2","1") = "8"
    & skf18("4","9","5","8","7","3","1") = "8"
    & skf18("4","9","5","8","7","4","1") = "8"
    & skf18("4","9","5","8","7","5","1") = "8"
    & skf18("4","9","5","8","7","6","1") = "8"
    & skf18("4","9","5","8","7","7","1") = "8"
    & skf18("4","9","5","8","7","8","1") = "8"
    & skf18("4","9","5","8","7","9","1") = "8"
    & skf18("4","9","5","8","7","10","1") = "9"
    & skf18("4","9","5","8","8","1","1") = "8"
    & skf18("4","9","5","8","8","2","1") = "8"
    & skf18("4","9","5","8","8","3","1") = "8"
    & skf18("4","9","5","8","8","4","1") = "8"
    & skf18("4","9","5","8","8","5","1") = "8"
    & skf18("4","9","5","8","8","6","1") = "8"
    & skf18("4","9","5","8","8","7","1") = "8"
    & skf18("4","9","5","8","8","8","1") = "8"
    & skf18("4","9","5","8","8","9","1") = "8"
    & skf18("4","9","5","8","8","10","1") = "9"
    & skf18("4","9","5","8","9","1","1") = "8"
    & skf18("4","9","5","8","9","2","1") = "8"
    & skf18("4","9","5","8","9","3","1") = "8"
    & skf18("4","9","5","8","9","4","1") = "8"
    & skf18("4","9","5","8","9","5","1") = "8"
    & skf18("4","9","5","8","9","6","1") = "8"
    & skf18("4","9","5","8","9","7","1") = "8"
    & skf18("4","9","5","8","9","8","1") = "8"
    & skf18("4","9","5","8","9","9","1") = "8"
    & skf18("4","9","5","8","9","10","1") = "9"
    & skf18("4","9","5","8","10","1","1") = "9"
    & skf18("4","9","5","8","10","2","1") = "9"
    & skf18("4","9","5","8","10","3","1") = "9"
    & skf18("4","9","5","8","10","4","1") = "9"
    & skf18("4","9","5","8","10","5","1") = "9"
    & skf18("4","9","5","8","10","6","1") = "9"
    & skf18("4","9","5","8","10","7","1") = "9"
    & skf18("4","9","5","8","10","8","1") = "9"
    & skf18("4","9","5","8","10","9","1") = "9"
    & skf18("4","9","5","8","10","10","1") = "9"
    & skf18("4","9","5","9","1","1","1") = "8"
    & skf18("4","9","5","9","1","2","1") = "8"
    & skf18("4","9","5","9","1","3","1") = "8"
    & skf18("4","9","5","9","1","4","1") = "8"
    & skf18("4","9","5","9","1","5","1") = "8"
    & skf18("4","9","5","9","1","6","1") = "8"
    & skf18("4","9","5","9","1","7","1") = "8"
    & skf18("4","9","5","9","1","8","1") = "8"
    & skf18("4","9","5","9","1","9","1") = "8"
    & skf18("4","9","5","9","1","10","1") = "9"
    & skf18("4","9","5","9","2","1","1") = "8"
    & skf18("4","9","5","9","2","2","1") = "8"
    & skf18("4","9","5","9","2","3","1") = "8"
    & skf18("4","9","5","9","2","4","1") = "8"
    & skf18("4","9","5","9","2","5","1") = "8"
    & skf18("4","9","5","9","2","6","1") = "8"
    & skf18("4","9","5","9","2","7","1") = "8"
    & skf18("4","9","5","9","2","8","1") = "8"
    & skf18("4","9","5","9","2","9","1") = "8"
    & skf18("4","9","5","9","2","10","1") = "9"
    & skf18("4","9","5","9","3","1","1") = "8"
    & skf18("4","9","5","9","3","2","1") = "8"
    & skf18("4","9","5","9","3","3","1") = "8"
    & skf18("4","9","5","9","3","4","1") = "8"
    & skf18("4","9","5","9","3","5","1") = "8"
    & skf18("4","9","5","9","3","6","1") = "8"
    & skf18("4","9","5","9","3","7","1") = "8"
    & skf18("4","9","5","9","3","8","1") = "8"
    & skf18("4","9","5","9","3","9","1") = "8"
    & skf18("4","9","5","9","3","10","1") = "9"
    & skf18("4","9","5","9","4","1","1") = "8"
    & skf18("4","9","5","9","4","2","1") = "8"
    & skf18("4","9","5","9","4","3","1") = "8"
    & skf18("4","9","5","9","4","4","1") = "8"
    & skf18("4","9","5","9","4","5","1") = "8"
    & skf18("4","9","5","9","4","6","1") = "8"
    & skf18("4","9","5","9","4","7","1") = "8"
    & skf18("4","9","5","9","4","8","1") = "8"
    & skf18("4","9","5","9","4","9","1") = "8"
    & skf18("4","9","5","9","4","10","1") = "9"
    & skf18("4","9","5","9","5","1","1") = "8"
    & skf18("4","9","5","9","5","2","1") = "8"
    & skf18("4","9","5","9","5","3","1") = "8"
    & skf18("4","9","5","9","5","4","1") = "8"
    & skf18("4","9","5","9","5","5","1") = "8"
    & skf18("4","9","5","9","5","6","1") = "8"
    & skf18("4","9","5","9","5","7","1") = "8"
    & skf18("4","9","5","9","5","8","1") = "8"
    & skf18("4","9","5","9","5","9","1") = "8"
    & skf18("4","9","5","9","5","10","1") = "9"
    & skf18("4","9","5","9","6","1","1") = "8"
    & skf18("4","9","5","9","6","2","1") = "8"
    & skf18("4","9","5","9","6","3","1") = "8"
    & skf18("4","9","5","9","6","4","1") = "8"
    & skf18("4","9","5","9","6","5","1") = "8"
    & skf18("4","9","5","9","6","6","1") = "8"
    & skf18("4","9","5","9","6","7","1") = "8"
    & skf18("4","9","5","9","6","8","1") = "8"
    & skf18("4","9","5","9","6","9","1") = "8"
    & skf18("4","9","5","9","6","10","1") = "9"
    & skf18("4","9","5","9","7","1","1") = "8"
    & skf18("4","9","5","9","7","2","1") = "8"
    & skf18("4","9","5","9","7","3","1") = "8"
    & skf18("4","9","5","9","7","4","1") = "8"
    & skf18("4","9","5","9","7","5","1") = "8"
    & skf18("4","9","5","9","7","6","1") = "8"
    & skf18("4","9","5","9","7","7","1") = "8"
    & skf18("4","9","5","9","7","8","1") = "8"
    & skf18("4","9","5","9","7","9","1") = "8"
    & skf18("4","9","5","9","7","10","1") = "9"
    & skf18("4","9","5","9","8","1","1") = "8"
    & skf18("4","9","5","9","8","2","1") = "8"
    & skf18("4","9","5","9","8","3","1") = "8"
    & skf18("4","9","5","9","8","4","1") = "8"
    & skf18("4","9","5","9","8","5","1") = "8"
    & skf18("4","9","5","9","8","6","1") = "8"
    & skf18("4","9","5","9","8","7","1") = "8"
    & skf18("4","9","5","9","8","8","1") = "8"
    & skf18("4","9","5","9","8","9","1") = "8"
    & skf18("4","9","5","9","8","10","1") = "9"
    & skf18("4","9","5","9","9","1","1") = "8"
    & skf18("4","9","5","9","9","2","1") = "8"
    & skf18("4","9","5","9","9","3","1") = "8"
    & skf18("4","9","5","9","9","4","1") = "8"
    & skf18("4","9","5","9","9","5","1") = "8"
    & skf18("4","9","5","9","9","6","1") = "8"
    & skf18("4","9","5","9","9","7","1") = "8"
    & skf18("4","9","5","9","9","8","1") = "8"
    & skf18("4","9","5","9","9","9","1") = "8"
    & skf18("4","9","5","9","9","10","1") = "9"
    & skf18("4","9","5","9","10","1","1") = "9"
    & skf18("4","9","5","9","10","2","1") = "9"
    & skf18("4","9","5","9","10","3","1") = "9"
    & skf18("4","9","5","9","10","4","1") = "9"
    & skf18("4","9","5","9","10","5","1") = "9"
    & skf18("4","9","5","9","10","6","1") = "9"
    & skf18("4","9","5","9","10","7","1") = "9"
    & skf18("4","9","5","9","10","8","1") = "9"
    & skf18("4","9","5","9","10","9","1") = "9"
    & skf18("4","9","5","9","10","10","1") = "9"
    & skf18("4","9","5","10","1","1","1") = "9"
    & skf18("4","9","5","10","1","2","1") = "9"
    & skf18("4","9","5","10","1","3","1") = "9"
    & skf18("4","9","5","10","1","4","1") = "9"
    & skf18("4","9","5","10","1","5","1") = "9"
    & skf18("4","9","5","10","1","6","1") = "9"
    & skf18("4","9","5","10","1","7","1") = "9"
    & skf18("4","9","5","10","1","8","1") = "9"
    & skf18("4","9","5","10","1","9","1") = "9"
    & skf18("4","9","5","10","1","10","1") = "9"
    & skf18("4","9","5","10","2","1","1") = "9"
    & skf18("4","9","5","10","2","2","1") = "9"
    & skf18("4","9","5","10","2","3","1") = "9"
    & skf18("4","9","5","10","2","4","1") = "9"
    & skf18("4","9","5","10","2","5","1") = "9"
    & skf18("4","9","5","10","2","6","1") = "9"
    & skf18("4","9","5","10","2","7","1") = "9"
    & skf18("4","9","5","10","2","8","1") = "9"
    & skf18("4","9","5","10","2","9","1") = "9"
    & skf18("4","9","5","10","2","10","1") = "9"
    & skf18("4","9","5","10","3","1","1") = "9"
    & skf18("4","9","5","10","3","2","1") = "9"
    & skf18("4","9","5","10","3","3","1") = "9"
    & skf18("4","9","5","10","3","4","1") = "9"
    & skf18("4","9","5","10","3","5","1") = "9"
    & skf18("4","9","5","10","3","6","1") = "9"
    & skf18("4","9","5","10","3","7","1") = "9"
    & skf18("4","9","5","10","3","8","1") = "9"
    & skf18("4","9","5","10","3","9","1") = "9"
    & skf18("4","9","5","10","3","10","1") = "9"
    & skf18("4","9","5","10","4","1","1") = "9"
    & skf18("4","9","5","10","4","2","1") = "9"
    & skf18("4","9","5","10","4","3","1") = "9"
    & skf18("4","9","5","10","4","4","1") = "9"
    & skf18("4","9","5","10","4","5","1") = "9"
    & skf18("4","9","5","10","4","6","1") = "9"
    & skf18("4","9","5","10","4","7","1") = "9"
    & skf18("4","9","5","10","4","8","1") = "9"
    & skf18("4","9","5","10","4","9","1") = "9"
    & skf18("4","9","5","10","4","10","1") = "9"
    & skf18("4","9","5","10","5","1","1") = "9"
    & skf18("4","9","5","10","5","2","1") = "9"
    & skf18("4","9","5","10","5","3","1") = "9"
    & skf18("4","9","5","10","5","4","1") = "9"
    & skf18("4","9","5","10","5","5","1") = "9"
    & skf18("4","9","5","10","5","6","1") = "9"
    & skf18("4","9","5","10","5","7","1") = "9"
    & skf18("4","9","5","10","5","8","1") = "9"
    & skf18("4","9","5","10","5","9","1") = "9"
    & skf18("4","9","5","10","5","10","1") = "9"
    & skf18("4","9","5","10","6","1","1") = "9"
    & skf18("4","9","5","10","6","2","1") = "9"
    & skf18("4","9","5","10","6","3","1") = "9"
    & skf18("4","9","5","10","6","4","1") = "9"
    & skf18("4","9","5","10","6","5","1") = "9"
    & skf18("4","9","5","10","6","6","1") = "9"
    & skf18("4","9","5","10","6","7","1") = "9"
    & skf18("4","9","5","10","6","8","1") = "9"
    & skf18("4","9","5","10","6","9","1") = "9"
    & skf18("4","9","5","10","6","10","1") = "9"
    & skf18("4","9","5","10","7","1","1") = "9"
    & skf18("4","9","5","10","7","2","1") = "9"
    & skf18("4","9","5","10","7","3","1") = "9"
    & skf18("4","9","5","10","7","4","1") = "9"
    & skf18("4","9","5","10","7","5","1") = "9"
    & skf18("4","9","5","10","7","6","1") = "9"
    & skf18("4","9","5","10","7","7","1") = "9"
    & skf18("4","9","5","10","7","8","1") = "9"
    & skf18("4","9","5","10","7","9","1") = "9"
    & skf18("4","9","5","10","7","10","1") = "9"
    & skf18("4","9","5","10","8","1","1") = "9"
    & skf18("4","9","5","10","8","2","1") = "9"
    & skf18("4","9","5","10","8","3","1") = "9"
    & skf18("4","9","5","10","8","4","1") = "9"
    & skf18("4","9","5","10","8","5","1") = "9"
    & skf18("4","9","5","10","8","6","1") = "9"
    & skf18("4","9","5","10","8","7","1") = "9"
    & skf18("4","9","5","10","8","8","1") = "9"
    & skf18("4","9","5","10","8","9","1") = "9"
    & skf18("4","9","5","10","8","10","1") = "9"
    & skf18("4","9","5","10","9","1","1") = "9"
    & skf18("4","9","5","10","9","2","1") = "9"
    & skf18("4","9","5","10","9","3","1") = "9"
    & skf18("4","9","5","10","9","4","1") = "9"
    & skf18("4","9","5","10","9","5","1") = "9"
    & skf18("4","9","5","10","9","6","1") = "9"
    & skf18("4","9","5","10","9","7","1") = "9"
    & skf18("4","9","5","10","9","8","1") = "9"
    & skf18("4","9","5","10","9","9","1") = "9"
    & skf18("4","9","5","10","9","10","1") = "9"
    & skf18("4","9","5","10","10","1","1") = "9"
    & skf18("4","9","5","10","10","2","1") = "9"
    & skf18("4","9","5","10","10","3","1") = "9"
    & skf18("4","9","5","10","10","4","1") = "9"
    & skf18("4","9","5","10","10","5","1") = "9"
    & skf18("4","9","5","10","10","6","1") = "9"
    & skf18("4","9","5","10","10","7","1") = "9"
    & skf18("4","9","5","10","10","8","1") = "9"
    & skf18("4","9","5","10","10","9","1") = "9"
    & skf18("4","9","5","10","10","10","1") = "9"
    & skf18("4","9","6","1","1","1","1") = "8"
    & skf18("4","9","6","1","1","2","1") = "8"
    & skf18("4","9","6","1","1","3","1") = "8"
    & skf18("4","9","6","1","1","4","1") = "8"
    & skf18("4","9","6","1","1","5","1") = "8"
    & skf18("4","9","6","1","1","6","1") = "8"
    & skf18("4","9","6","1","1","7","1") = "8"
    & skf18("4","9","6","1","1","8","1") = "8"
    & skf18("4","9","6","1","1","9","1") = "8"
    & skf18("4","9","6","1","1","10","1") = "9"
    & skf18("4","9","6","1","2","1","1") = "8"
    & skf18("4","9","6","1","2","2","1") = "8"
    & skf18("4","9","6","1","2","3","1") = "8"
    & skf18("4","9","6","1","2","4","1") = "8"
    & skf18("4","9","6","1","2","5","1") = "8"
    & skf18("4","9","6","1","2","6","1") = "8"
    & skf18("4","9","6","1","2","7","1") = "8"
    & skf18("4","9","6","1","2","8","1") = "8"
    & skf18("4","9","6","1","2","9","1") = "8"
    & skf18("4","9","6","1","2","10","1") = "9"
    & skf18("4","9","6","1","3","1","1") = "8"
    & skf18("4","9","6","1","3","2","1") = "8"
    & skf18("4","9","6","1","3","3","1") = "8"
    & skf18("4","9","6","1","3","4","1") = "8"
    & skf18("4","9","6","1","3","5","1") = "8"
    & skf18("4","9","6","1","3","6","1") = "8"
    & skf18("4","9","6","1","3","7","1") = "8"
    & skf18("4","9","6","1","3","8","1") = "8"
    & skf18("4","9","6","1","3","9","1") = "8"
    & skf18("4","9","6","1","3","10","1") = "9"
    & skf18("4","9","6","1","4","1","1") = "8"
    & skf18("4","9","6","1","4","2","1") = "8"
    & skf18("4","9","6","1","4","3","1") = "8"
    & skf18("4","9","6","1","4","4","1") = "8"
    & skf18("4","9","6","1","4","5","1") = "8"
    & skf18("4","9","6","1","4","6","1") = "8"
    & skf18("4","9","6","1","4","7","1") = "8"
    & skf18("4","9","6","1","4","8","1") = "8"
    & skf18("4","9","6","1","4","9","1") = "8"
    & skf18("4","9","6","1","4","10","1") = "9"
    & skf18("4","9","6","1","5","1","1") = "8"
    & skf18("4","9","6","1","5","2","1") = "8"
    & skf18("4","9","6","1","5","3","1") = "8"
    & skf18("4","9","6","1","5","4","1") = "8"
    & skf18("4","9","6","1","5","5","1") = "8"
    & skf18("4","9","6","1","5","6","1") = "8"
    & skf18("4","9","6","1","5","7","1") = "8"
    & skf18("4","9","6","1","5","8","1") = "8"
    & skf18("4","9","6","1","5","9","1") = "8"
    & skf18("4","9","6","1","5","10","1") = "9"
    & skf18("4","9","6","1","6","1","1") = "8"
    & skf18("4","9","6","1","6","2","1") = "8"
    & skf18("4","9","6","1","6","3","1") = "8"
    & skf18("4","9","6","1","6","4","1") = "8"
    & skf18("4","9","6","1","6","5","1") = "8"
    & skf18("4","9","6","1","6","6","1") = "8"
    & skf18("4","9","6","1","6","7","1") = "8"
    & skf18("4","9","6","1","6","8","1") = "8"
    & skf18("4","9","6","1","6","9","1") = "8"
    & skf18("4","9","6","1","6","10","1") = "9"
    & skf18("4","9","6","1","7","1","1") = "8"
    & skf18("4","9","6","1","7","2","1") = "8"
    & skf18("4","9","6","1","7","3","1") = "8"
    & skf18("4","9","6","1","7","4","1") = "8"
    & skf18("4","9","6","1","7","5","1") = "8"
    & skf18("4","9","6","1","7","6","1") = "8"
    & skf18("4","9","6","1","7","7","1") = "8"
    & skf18("4","9","6","1","7","8","1") = "8"
    & skf18("4","9","6","1","7","9","1") = "8"
    & skf18("4","9","6","1","7","10","1") = "9"
    & skf18("4","9","6","1","8","1","1") = "8"
    & skf18("4","9","6","1","8","2","1") = "8"
    & skf18("4","9","6","1","8","3","1") = "8"
    & skf18("4","9","6","1","8","4","1") = "8"
    & skf18("4","9","6","1","8","5","1") = "8"
    & skf18("4","9","6","1","8","6","1") = "8"
    & skf18("4","9","6","1","8","7","1") = "8"
    & skf18("4","9","6","1","8","8","1") = "8"
    & skf18("4","9","6","1","8","9","1") = "8"
    & skf18("4","9","6","1","8","10","1") = "9"
    & skf18("4","9","6","1","9","1","1") = "8"
    & skf18("4","9","6","1","9","2","1") = "8"
    & skf18("4","9","6","1","9","3","1") = "8"
    & skf18("4","9","6","1","9","4","1") = "8"
    & skf18("4","9","6","1","9","5","1") = "8"
    & skf18("4","9","6","1","9","6","1") = "8"
    & skf18("4","9","6","1","9","7","1") = "8"
    & skf18("4","9","6","1","9","8","1") = "8"
    & skf18("4","9","6","1","9","9","1") = "8"
    & skf18("4","9","6","1","9","10","1") = "9"
    & skf18("4","9","6","1","10","1","1") = "9"
    & skf18("4","9","6","1","10","2","1") = "9"
    & skf18("4","9","6","1","10","3","1") = "9"
    & skf18("4","9","6","1","10","4","1") = "9"
    & skf18("4","9","6","1","10","5","1") = "9"
    & skf18("4","9","6","1","10","6","1") = "9"
    & skf18("4","9","6","1","10","7","1") = "9"
    & skf18("4","9","6","1","10","8","1") = "9"
    & skf18("4","9","6","1","10","9","1") = "9"
    & skf18("4","9","6","1","10","10","1") = "9"
    & skf18("4","9","6","2","1","1","1") = "8"
    & skf18("4","9","6","2","1","2","1") = "8"
    & skf18("4","9","6","2","1","3","1") = "8"
    & skf18("4","9","6","2","1","4","1") = "8"
    & skf18("4","9","6","2","1","5","1") = "8"
    & skf18("4","9","6","2","1","6","1") = "8"
    & skf18("4","9","6","2","1","7","1") = "8"
    & skf18("4","9","6","2","1","8","1") = "8"
    & skf18("4","9","6","2","1","9","1") = "8"
    & skf18("4","9","6","2","1","10","1") = "9"
    & skf18("4","9","6","2","2","1","1") = "8"
    & skf18("4","9","6","2","2","2","1") = "8"
    & skf18("4","9","6","2","2","3","1") = "8"
    & skf18("4","9","6","2","2","4","1") = "8"
    & skf18("4","9","6","2","2","5","1") = "8"
    & skf18("4","9","6","2","2","6","1") = "8"
    & skf18("4","9","6","2","2","7","1") = "8"
    & skf18("4","9","6","2","2","8","1") = "8"
    & skf18("4","9","6","2","2","9","1") = "8"
    & skf18("4","9","6","2","2","10","1") = "9"
    & skf18("4","9","6","2","3","1","1") = "8"
    & skf18("4","9","6","2","3","2","1") = "8"
    & skf18("4","9","6","2","3","3","1") = "8"
    & skf18("4","9","6","2","3","4","1") = "8"
    & skf18("4","9","6","2","3","5","1") = "8"
    & skf18("4","9","6","2","3","6","1") = "8"
    & skf18("4","9","6","2","3","7","1") = "8"
    & skf18("4","9","6","2","3","8","1") = "8"
    & skf18("4","9","6","2","3","9","1") = "8"
    & skf18("4","9","6","2","3","10","1") = "9"
    & skf18("4","9","6","2","4","1","1") = "8"
    & skf18("4","9","6","2","4","2","1") = "8"
    & skf18("4","9","6","2","4","3","1") = "8"
    & skf18("4","9","6","2","4","4","1") = "8"
    & skf18("4","9","6","2","4","5","1") = "8"
    & skf18("4","9","6","2","4","6","1") = "8"
    & skf18("4","9","6","2","4","7","1") = "8"
    & skf18("4","9","6","2","4","8","1") = "8"
    & skf18("4","9","6","2","4","9","1") = "8"
    & skf18("4","9","6","2","4","10","1") = "9"
    & skf18("4","9","6","2","5","1","1") = "8"
    & skf18("4","9","6","2","5","2","1") = "8"
    & skf18("4","9","6","2","5","3","1") = "8"
    & skf18("4","9","6","2","5","4","1") = "8"
    & skf18("4","9","6","2","5","5","1") = "8"
    & skf18("4","9","6","2","5","6","1") = "8"
    & skf18("4","9","6","2","5","7","1") = "8"
    & skf18("4","9","6","2","5","8","1") = "8"
    & skf18("4","9","6","2","5","9","1") = "8"
    & skf18("4","9","6","2","5","10","1") = "9"
    & skf18("4","9","6","2","6","1","1") = "8"
    & skf18("4","9","6","2","6","2","1") = "8"
    & skf18("4","9","6","2","6","3","1") = "8"
    & skf18("4","9","6","2","6","4","1") = "8"
    & skf18("4","9","6","2","6","5","1") = "8"
    & skf18("4","9","6","2","6","6","1") = "8"
    & skf18("4","9","6","2","6","7","1") = "8"
    & skf18("4","9","6","2","6","8","1") = "8"
    & skf18("4","9","6","2","6","9","1") = "8"
    & skf18("4","9","6","2","6","10","1") = "9"
    & skf18("4","9","6","2","7","1","1") = "8"
    & skf18("4","9","6","2","7","2","1") = "8"
    & skf18("4","9","6","2","7","3","1") = "8"
    & skf18("4","9","6","2","7","4","1") = "8"
    & skf18("4","9","6","2","7","5","1") = "8"
    & skf18("4","9","6","2","7","6","1") = "8"
    & skf18("4","9","6","2","7","7","1") = "8"
    & skf18("4","9","6","2","7","8","1") = "8"
    & skf18("4","9","6","2","7","9","1") = "8"
    & skf18("4","9","6","2","7","10","1") = "9"
    & skf18("4","9","6","2","8","1","1") = "8"
    & skf18("4","9","6","2","8","2","1") = "8"
    & skf18("4","9","6","2","8","3","1") = "8"
    & skf18("4","9","6","2","8","4","1") = "8"
    & skf18("4","9","6","2","8","5","1") = "8"
    & skf18("4","9","6","2","8","6","1") = "8"
    & skf18("4","9","6","2","8","7","1") = "8"
    & skf18("4","9","6","2","8","8","1") = "8"
    & skf18("4","9","6","2","8","9","1") = "8"
    & skf18("4","9","6","2","8","10","1") = "9"
    & skf18("4","9","6","2","9","1","1") = "8"
    & skf18("4","9","6","2","9","2","1") = "8"
    & skf18("4","9","6","2","9","3","1") = "8"
    & skf18("4","9","6","2","9","4","1") = "8"
    & skf18("4","9","6","2","9","5","1") = "8"
    & skf18("4","9","6","2","9","6","1") = "8"
    & skf18("4","9","6","2","9","7","1") = "8"
    & skf18("4","9","6","2","9","8","1") = "8"
    & skf18("4","9","6","2","9","9","1") = "8"
    & skf18("4","9","6","2","9","10","1") = "9"
    & skf18("4","9","6","2","10","1","1") = "9"
    & skf18("4","9","6","2","10","2","1") = "9"
    & skf18("4","9","6","2","10","3","1") = "9"
    & skf18("4","9","6","2","10","4","1") = "9"
    & skf18("4","9","6","2","10","5","1") = "9"
    & skf18("4","9","6","2","10","6","1") = "9"
    & skf18("4","9","6","2","10","7","1") = "9"
    & skf18("4","9","6","2","10","8","1") = "9"
    & skf18("4","9","6","2","10","9","1") = "9"
    & skf18("4","9","6","2","10","10","1") = "9"
    & skf18("4","9","6","3","1","1","1") = "8"
    & skf18("4","9","6","3","1","2","1") = "8"
    & skf18("4","9","6","3","1","3","1") = "8"
    & skf18("4","9","6","3","1","4","1") = "8"
    & skf18("4","9","6","3","1","5","1") = "8"
    & skf18("4","9","6","3","1","6","1") = "8"
    & skf18("4","9","6","3","1","7","1") = "8"
    & skf18("4","9","6","3","1","8","1") = "8"
    & skf18("4","9","6","3","1","9","1") = "8"
    & skf18("4","9","6","3","1","10","1") = "9"
    & skf18("4","9","6","3","2","1","1") = "8"
    & skf18("4","9","6","3","2","2","1") = "8"
    & skf18("4","9","6","3","2","3","1") = "8"
    & skf18("4","9","6","3","2","4","1") = "8"
    & skf18("4","9","6","3","2","5","1") = "8"
    & skf18("4","9","6","3","2","6","1") = "8"
    & skf18("4","9","6","3","2","7","1") = "8"
    & skf18("4","9","6","3","2","8","1") = "8"
    & skf18("4","9","6","3","2","9","1") = "8"
    & skf18("4","9","6","3","2","10","1") = "9"
    & skf18("4","9","6","3","3","1","1") = "8"
    & skf18("4","9","6","3","3","2","1") = "8"
    & skf18("4","9","6","3","3","3","1") = "8"
    & skf18("4","9","6","3","3","4","1") = "8"
    & skf18("4","9","6","3","3","5","1") = "8"
    & skf18("4","9","6","3","3","6","1") = "8"
    & skf18("4","9","6","3","3","7","1") = "8"
    & skf18("4","9","6","3","3","8","1") = "8"
    & skf18("4","9","6","3","3","9","1") = "8"
    & skf18("4","9","6","3","3","10","1") = "9"
    & skf18("4","9","6","3","4","1","1") = "8"
    & skf18("4","9","6","3","4","2","1") = "8"
    & skf18("4","9","6","3","4","3","1") = "8"
    & skf18("4","9","6","3","4","4","1") = "8"
    & skf18("4","9","6","3","4","5","1") = "8"
    & skf18("4","9","6","3","4","6","1") = "8"
    & skf18("4","9","6","3","4","7","1") = "8"
    & skf18("4","9","6","3","4","8","1") = "8"
    & skf18("4","9","6","3","4","9","1") = "8"
    & skf18("4","9","6","3","4","10","1") = "9"
    & skf18("4","9","6","3","5","1","1") = "8"
    & skf18("4","9","6","3","5","2","1") = "8"
    & skf18("4","9","6","3","5","3","1") = "8"
    & skf18("4","9","6","3","5","4","1") = "8"
    & skf18("4","9","6","3","5","5","1") = "8"
    & skf18("4","9","6","3","5","6","1") = "8"
    & skf18("4","9","6","3","5","7","1") = "8"
    & skf18("4","9","6","3","5","8","1") = "8"
    & skf18("4","9","6","3","5","9","1") = "8"
    & skf18("4","9","6","3","5","10","1") = "9"
    & skf18("4","9","6","3","6","1","1") = "8"
    & skf18("4","9","6","3","6","2","1") = "8"
    & skf18("4","9","6","3","6","3","1") = "8"
    & skf18("4","9","6","3","6","4","1") = "8"
    & skf18("4","9","6","3","6","5","1") = "8"
    & skf18("4","9","6","3","6","6","1") = "8"
    & skf18("4","9","6","3","6","7","1") = "8"
    & skf18("4","9","6","3","6","8","1") = "8"
    & skf18("4","9","6","3","6","9","1") = "8"
    & skf18("4","9","6","3","6","10","1") = "9"
    & skf18("4","9","6","3","7","1","1") = "8"
    & skf18("4","9","6","3","7","2","1") = "8"
    & skf18("4","9","6","3","7","3","1") = "8"
    & skf18("4","9","6","3","7","4","1") = "8"
    & skf18("4","9","6","3","7","5","1") = "8"
    & skf18("4","9","6","3","7","6","1") = "8"
    & skf18("4","9","6","3","7","7","1") = "8"
    & skf18("4","9","6","3","7","8","1") = "8"
    & skf18("4","9","6","3","7","9","1") = "8"
    & skf18("4","9","6","3","7","10","1") = "9"
    & skf18("4","9","6","3","8","1","1") = "8"
    & skf18("4","9","6","3","8","2","1") = "8"
    & skf18("4","9","6","3","8","3","1") = "8"
    & skf18("4","9","6","3","8","4","1") = "8"
    & skf18("4","9","6","3","8","5","1") = "8"
    & skf18("4","9","6","3","8","6","1") = "8"
    & skf18("4","9","6","3","8","7","1") = "8"
    & skf18("4","9","6","3","8","8","1") = "8"
    & skf18("4","9","6","3","8","9","1") = "8"
    & skf18("4","9","6","3","8","10","1") = "9"
    & skf18("4","9","6","3","9","1","1") = "8"
    & skf18("4","9","6","3","9","2","1") = "8"
    & skf18("4","9","6","3","9","3","1") = "8"
    & skf18("4","9","6","3","9","4","1") = "8"
    & skf18("4","9","6","3","9","5","1") = "8"
    & skf18("4","9","6","3","9","6","1") = "8"
    & skf18("4","9","6","3","9","7","1") = "8"
    & skf18("4","9","6","3","9","8","1") = "8"
    & skf18("4","9","6","3","9","9","1") = "8"
    & skf18("4","9","6","3","9","10","1") = "9"
    & skf18("4","9","6","3","10","1","1") = "9"
    & skf18("4","9","6","3","10","2","1") = "9"
    & skf18("4","9","6","3","10","3","1") = "9"
    & skf18("4","9","6","3","10","4","1") = "9"
    & skf18("4","9","6","3","10","5","1") = "9"
    & skf18("4","9","6","3","10","6","1") = "9"
    & skf18("4","9","6","3","10","7","1") = "9"
    & skf18("4","9","6","3","10","8","1") = "9"
    & skf18("4","9","6","3","10","9","1") = "9"
    & skf18("4","9","6","3","10","10","1") = "9"
    & skf18("4","9","6","4","1","1","1") = "8"
    & skf18("4","9","6","4","1","2","1") = "8"
    & skf18("4","9","6","4","1","3","1") = "8"
    & skf18("4","9","6","4","1","4","1") = "8"
    & skf18("4","9","6","4","1","5","1") = "8"
    & skf18("4","9","6","4","1","6","1") = "8"
    & skf18("4","9","6","4","1","7","1") = "8"
    & skf18("4","9","6","4","1","8","1") = "8"
    & skf18("4","9","6","4","1","9","1") = "8"
    & skf18("4","9","6","4","1","10","1") = "9"
    & skf18("4","9","6","4","2","1","1") = "8"
    & skf18("4","9","6","4","2","2","1") = "8"
    & skf18("4","9","6","4","2","3","1") = "8"
    & skf18("4","9","6","4","2","4","1") = "8"
    & skf18("4","9","6","4","2","5","1") = "8"
    & skf18("4","9","6","4","2","6","1") = "8"
    & skf18("4","9","6","4","2","7","1") = "8"
    & skf18("4","9","6","4","2","8","1") = "8"
    & skf18("4","9","6","4","2","9","1") = "8"
    & skf18("4","9","6","4","2","10","1") = "9"
    & skf18("4","9","6","4","3","1","1") = "8"
    & skf18("4","9","6","4","3","2","1") = "8"
    & skf18("4","9","6","4","3","3","1") = "8"
    & skf18("4","9","6","4","3","4","1") = "8"
    & skf18("4","9","6","4","3","5","1") = "8"
    & skf18("4","9","6","4","3","6","1") = "8"
    & skf18("4","9","6","4","3","7","1") = "8"
    & skf18("4","9","6","4","3","8","1") = "8"
    & skf18("4","9","6","4","3","9","1") = "8"
    & skf18("4","9","6","4","3","10","1") = "9"
    & skf18("4","9","6","4","4","1","1") = "8"
    & skf18("4","9","6","4","4","2","1") = "8"
    & skf18("4","9","6","4","4","3","1") = "8"
    & skf18("4","9","6","4","4","4","1") = "8"
    & skf18("4","9","6","4","4","5","1") = "8"
    & skf18("4","9","6","4","4","6","1") = "8"
    & skf18("4","9","6","4","4","7","1") = "8"
    & skf18("4","9","6","4","4","8","1") = "8"
    & skf18("4","9","6","4","4","9","1") = "8"
    & skf18("4","9","6","4","4","10","1") = "9"
    & skf18("4","9","6","4","5","1","1") = "8"
    & skf18("4","9","6","4","5","2","1") = "8"
    & skf18("4","9","6","4","5","3","1") = "8"
    & skf18("4","9","6","4","5","4","1") = "8"
    & skf18("4","9","6","4","5","5","1") = "8"
    & skf18("4","9","6","4","5","6","1") = "8"
    & skf18("4","9","6","4","5","7","1") = "8"
    & skf18("4","9","6","4","5","8","1") = "8"
    & skf18("4","9","6","4","5","9","1") = "8"
    & skf18("4","9","6","4","5","10","1") = "9"
    & skf18("4","9","6","4","6","1","1") = "8"
    & skf18("4","9","6","4","6","2","1") = "8"
    & skf18("4","9","6","4","6","3","1") = "8"
    & skf18("4","9","6","4","6","4","1") = "8"
    & skf18("4","9","6","4","6","5","1") = "8"
    & skf18("4","9","6","4","6","6","1") = "8"
    & skf18("4","9","6","4","6","7","1") = "8"
    & skf18("4","9","6","4","6","8","1") = "8"
    & skf18("4","9","6","4","6","9","1") = "8"
    & skf18("4","9","6","4","6","10","1") = "9"
    & skf18("4","9","6","4","7","1","1") = "8"
    & skf18("4","9","6","4","7","2","1") = "8"
    & skf18("4","9","6","4","7","3","1") = "8"
    & skf18("4","9","6","4","7","4","1") = "8"
    & skf18("4","9","6","4","7","5","1") = "8"
    & skf18("4","9","6","4","7","6","1") = "8"
    & skf18("4","9","6","4","7","7","1") = "8"
    & skf18("4","9","6","4","7","8","1") = "8"
    & skf18("4","9","6","4","7","9","1") = "8"
    & skf18("4","9","6","4","7","10","1") = "9"
    & skf18("4","9","6","4","8","1","1") = "8"
    & skf18("4","9","6","4","8","2","1") = "8"
    & skf18("4","9","6","4","8","3","1") = "8"
    & skf18("4","9","6","4","8","4","1") = "8"
    & skf18("4","9","6","4","8","5","1") = "8"
    & skf18("4","9","6","4","8","6","1") = "8"
    & skf18("4","9","6","4","8","7","1") = "8"
    & skf18("4","9","6","4","8","8","1") = "8"
    & skf18("4","9","6","4","8","9","1") = "8"
    & skf18("4","9","6","4","8","10","1") = "9"
    & skf18("4","9","6","4","9","1","1") = "8"
    & skf18("4","9","6","4","9","2","1") = "8"
    & skf18("4","9","6","4","9","3","1") = "8"
    & skf18("4","9","6","4","9","4","1") = "8"
    & skf18("4","9","6","4","9","5","1") = "8"
    & skf18("4","9","6","4","9","6","1") = "8"
    & skf18("4","9","6","4","9","7","1") = "8"
    & skf18("4","9","6","4","9","8","1") = "8"
    & skf18("4","9","6","4","9","9","1") = "8"
    & skf18("4","9","6","4","9","10","1") = "9"
    & skf18("4","9","6","4","10","1","1") = "9"
    & skf18("4","9","6","4","10","2","1") = "9"
    & skf18("4","9","6","4","10","3","1") = "9"
    & skf18("4","9","6","4","10","4","1") = "9"
    & skf18("4","9","6","4","10","5","1") = "9"
    & skf18("4","9","6","4","10","6","1") = "9"
    & skf18("4","9","6","4","10","7","1") = "9"
    & skf18("4","9","6","4","10","8","1") = "9"
    & skf18("4","9","6","4","10","9","1") = "9"
    & skf18("4","9","6","4","10","10","1") = "9"
    & skf18("4","9","6","5","1","1","1") = "8"
    & skf18("4","9","6","5","1","2","1") = "8"
    & skf18("4","9","6","5","1","3","1") = "8"
    & skf18("4","9","6","5","1","4","1") = "8"
    & skf18("4","9","6","5","1","5","1") = "8"
    & skf18("4","9","6","5","1","6","1") = "8"
    & skf18("4","9","6","5","1","7","1") = "8"
    & skf18("4","9","6","5","1","8","1") = "8"
    & skf18("4","9","6","5","1","9","1") = "8"
    & skf18("4","9","6","5","1","10","1") = "9"
    & skf18("4","9","6","5","2","1","1") = "8"
    & skf18("4","9","6","5","2","2","1") = "8"
    & skf18("4","9","6","5","2","3","1") = "8"
    & skf18("4","9","6","5","2","4","1") = "8"
    & skf18("4","9","6","5","2","5","1") = "8"
    & skf18("4","9","6","5","2","6","1") = "8"
    & skf18("4","9","6","5","2","7","1") = "8"
    & skf18("4","9","6","5","2","8","1") = "8"
    & skf18("4","9","6","5","2","9","1") = "8"
    & skf18("4","9","6","5","2","10","1") = "9"
    & skf18("4","9","6","5","3","1","1") = "8"
    & skf18("4","9","6","5","3","2","1") = "8"
    & skf18("4","9","6","5","3","3","1") = "8"
    & skf18("4","9","6","5","3","4","1") = "8"
    & skf18("4","9","6","5","3","5","1") = "8"
    & skf18("4","9","6","5","3","6","1") = "8"
    & skf18("4","9","6","5","3","7","1") = "8"
    & skf18("4","9","6","5","3","8","1") = "8"
    & skf18("4","9","6","5","3","9","1") = "8"
    & skf18("4","9","6","5","3","10","1") = "9"
    & skf18("4","9","6","5","4","1","1") = "8"
    & skf18("4","9","6","5","4","2","1") = "8"
    & skf18("4","9","6","5","4","3","1") = "8"
    & skf18("4","9","6","5","4","4","1") = "8"
    & skf18("4","9","6","5","4","5","1") = "8"
    & skf18("4","9","6","5","4","6","1") = "8"
    & skf18("4","9","6","5","4","7","1") = "8"
    & skf18("4","9","6","5","4","8","1") = "8"
    & skf18("4","9","6","5","4","9","1") = "8"
    & skf18("4","9","6","5","4","10","1") = "9"
    & skf18("4","9","6","5","5","1","1") = "8"
    & skf18("4","9","6","5","5","2","1") = "8"
    & skf18("4","9","6","5","5","3","1") = "8"
    & skf18("4","9","6","5","5","4","1") = "8"
    & skf18("4","9","6","5","5","5","1") = "8"
    & skf18("4","9","6","5","5","6","1") = "8"
    & skf18("4","9","6","5","5","7","1") = "8"
    & skf18("4","9","6","5","5","8","1") = "8"
    & skf18("4","9","6","5","5","9","1") = "8"
    & skf18("4","9","6","5","5","10","1") = "9"
    & skf18("4","9","6","5","6","1","1") = "8"
    & skf18("4","9","6","5","6","2","1") = "8"
    & skf18("4","9","6","5","6","3","1") = "8"
    & skf18("4","9","6","5","6","4","1") = "8"
    & skf18("4","9","6","5","6","5","1") = "8"
    & skf18("4","9","6","5","6","6","1") = "8"
    & skf18("4","9","6","5","6","7","1") = "8"
    & skf18("4","9","6","5","6","8","1") = "8"
    & skf18("4","9","6","5","6","9","1") = "8"
    & skf18("4","9","6","5","6","10","1") = "9"
    & skf18("4","9","6","5","7","1","1") = "8"
    & skf18("4","9","6","5","7","2","1") = "8"
    & skf18("4","9","6","5","7","3","1") = "8"
    & skf18("4","9","6","5","7","4","1") = "8"
    & skf18("4","9","6","5","7","5","1") = "8"
    & skf18("4","9","6","5","7","6","1") = "8"
    & skf18("4","9","6","5","7","7","1") = "8"
    & skf18("4","9","6","5","7","8","1") = "8"
    & skf18("4","9","6","5","7","9","1") = "8"
    & skf18("4","9","6","5","7","10","1") = "9"
    & skf18("4","9","6","5","8","1","1") = "8"
    & skf18("4","9","6","5","8","2","1") = "8"
    & skf18("4","9","6","5","8","3","1") = "8"
    & skf18("4","9","6","5","8","4","1") = "8"
    & skf18("4","9","6","5","8","5","1") = "8"
    & skf18("4","9","6","5","8","6","1") = "8"
    & skf18("4","9","6","5","8","7","1") = "8"
    & skf18("4","9","6","5","8","8","1") = "8"
    & skf18("4","9","6","5","8","9","1") = "8"
    & skf18("4","9","6","5","8","10","1") = "9"
    & skf18("4","9","6","5","9","1","1") = "8"
    & skf18("4","9","6","5","9","2","1") = "8"
    & skf18("4","9","6","5","9","3","1") = "8"
    & skf18("4","9","6","5","9","4","1") = "8"
    & skf18("4","9","6","5","9","5","1") = "8"
    & skf18("4","9","6","5","9","6","1") = "8"
    & skf18("4","9","6","5","9","7","1") = "8"
    & skf18("4","9","6","5","9","8","1") = "8"
    & skf18("4","9","6","5","9","9","1") = "8"
    & skf18("4","9","6","5","9","10","1") = "9"
    & skf18("4","9","6","5","10","1","1") = "9"
    & skf18("4","9","6","5","10","2","1") = "9"
    & skf18("4","9","6","5","10","3","1") = "9"
    & skf18("4","9","6","5","10","4","1") = "9"
    & skf18("4","9","6","5","10","5","1") = "9"
    & skf18("4","9","6","5","10","6","1") = "9"
    & skf18("4","9","6","5","10","7","1") = "9"
    & skf18("4","9","6","5","10","8","1") = "9"
    & skf18("4","9","6","5","10","9","1") = "9"
    & skf18("4","9","6","5","10","10","1") = "9"
    & skf18("4","9","6","6","1","1","1") = "8"
    & skf18("4","9","6","6","1","2","1") = "8"
    & skf18("4","9","6","6","1","3","1") = "8"
    & skf18("4","9","6","6","1","4","1") = "8"
    & skf18("4","9","6","6","1","5","1") = "8"
    & skf18("4","9","6","6","1","6","1") = "8"
    & skf18("4","9","6","6","1","7","1") = "8"
    & skf18("4","9","6","6","1","8","1") = "8"
    & skf18("4","9","6","6","1","9","1") = "8"
    & skf18("4","9","6","6","1","10","1") = "9"
    & skf18("4","9","6","6","2","1","1") = "8"
    & skf18("4","9","6","6","2","2","1") = "8"
    & skf18("4","9","6","6","2","3","1") = "8"
    & skf18("4","9","6","6","2","4","1") = "8"
    & skf18("4","9","6","6","2","5","1") = "8"
    & skf18("4","9","6","6","2","6","1") = "8"
    & skf18("4","9","6","6","2","7","1") = "8"
    & skf18("4","9","6","6","2","8","1") = "8"
    & skf18("4","9","6","6","2","9","1") = "8"
    & skf18("4","9","6","6","2","10","1") = "9"
    & skf18("4","9","6","6","3","1","1") = "8"
    & skf18("4","9","6","6","3","2","1") = "8"
    & skf18("4","9","6","6","3","3","1") = "8"
    & skf18("4","9","6","6","3","4","1") = "8"
    & skf18("4","9","6","6","3","5","1") = "8"
    & skf18("4","9","6","6","3","6","1") = "8"
    & skf18("4","9","6","6","3","7","1") = "8"
    & skf18("4","9","6","6","3","8","1") = "8"
    & skf18("4","9","6","6","3","9","1") = "8"
    & skf18("4","9","6","6","3","10","1") = "9"
    & skf18("4","9","6","6","4","1","1") = "8"
    & skf18("4","9","6","6","4","2","1") = "8"
    & skf18("4","9","6","6","4","3","1") = "8"
    & skf18("4","9","6","6","4","4","1") = "8"
    & skf18("4","9","6","6","4","5","1") = "8"
    & skf18("4","9","6","6","4","6","1") = "8"
    & skf18("4","9","6","6","4","7","1") = "8"
    & skf18("4","9","6","6","4","8","1") = "8"
    & skf18("4","9","6","6","4","9","1") = "8"
    & skf18("4","9","6","6","4","10","1") = "9"
    & skf18("4","9","6","6","5","1","1") = "8"
    & skf18("4","9","6","6","5","2","1") = "8"
    & skf18("4","9","6","6","5","3","1") = "8"
    & skf18("4","9","6","6","5","4","1") = "8"
    & skf18("4","9","6","6","5","5","1") = "8"
    & skf18("4","9","6","6","5","6","1") = "8"
    & skf18("4","9","6","6","5","7","1") = "8"
    & skf18("4","9","6","6","5","8","1") = "8"
    & skf18("4","9","6","6","5","9","1") = "8"
    & skf18("4","9","6","6","5","10","1") = "9"
    & skf18("4","9","6","6","6","1","1") = "8"
    & skf18("4","9","6","6","6","2","1") = "8"
    & skf18("4","9","6","6","6","3","1") = "8"
    & skf18("4","9","6","6","6","4","1") = "8"
    & skf18("4","9","6","6","6","5","1") = "8"
    & skf18("4","9","6","6","6","6","1") = "8"
    & skf18("4","9","6","6","6","7","1") = "8"
    & skf18("4","9","6","6","6","8","1") = "8"
    & skf18("4","9","6","6","6","9","1") = "8"
    & skf18("4","9","6","6","6","10","1") = "9"
    & skf18("4","9","6","6","7","1","1") = "8"
    & skf18("4","9","6","6","7","2","1") = "8"
    & skf18("4","9","6","6","7","3","1") = "8"
    & skf18("4","9","6","6","7","4","1") = "8"
    & skf18("4","9","6","6","7","5","1") = "8"
    & skf18("4","9","6","6","7","6","1") = "8"
    & skf18("4","9","6","6","7","7","1") = "8"
    & skf18("4","9","6","6","7","8","1") = "8"
    & skf18("4","9","6","6","7","9","1") = "8"
    & skf18("4","9","6","6","7","10","1") = "9"
    & skf18("4","9","6","6","8","1","1") = "8"
    & skf18("4","9","6","6","8","2","1") = "8"
    & skf18("4","9","6","6","8","3","1") = "8"
    & skf18("4","9","6","6","8","4","1") = "8"
    & skf18("4","9","6","6","8","5","1") = "8"
    & skf18("4","9","6","6","8","6","1") = "8"
    & skf18("4","9","6","6","8","7","1") = "8"
    & skf18("4","9","6","6","8","8","1") = "8"
    & skf18("4","9","6","6","8","9","1") = "8"
    & skf18("4","9","6","6","8","10","1") = "9"
    & skf18("4","9","6","6","9","1","1") = "8"
    & skf18("4","9","6","6","9","2","1") = "8"
    & skf18("4","9","6","6","9","3","1") = "8"
    & skf18("4","9","6","6","9","4","1") = "8"
    & skf18("4","9","6","6","9","5","1") = "8"
    & skf18("4","9","6","6","9","6","1") = "8"
    & skf18("4","9","6","6","9","7","1") = "8"
    & skf18("4","9","6","6","9","8","1") = "8"
    & skf18("4","9","6","6","9","9","1") = "8"
    & skf18("4","9","6","6","9","10","1") = "9"
    & skf18("4","9","6","6","10","1","1") = "9"
    & skf18("4","9","6","6","10","2","1") = "9"
    & skf18("4","9","6","6","10","3","1") = "9"
    & skf18("4","9","6","6","10","4","1") = "9"
    & skf18("4","9","6","6","10","5","1") = "9"
    & skf18("4","9","6","6","10","6","1") = "9"
    & skf18("4","9","6","6","10","7","1") = "9"
    & skf18("4","9","6","6","10","8","1") = "9"
    & skf18("4","9","6","6","10","9","1") = "9"
    & skf18("4","9","6","6","10","10","1") = "9"
    & skf18("4","9","6","7","1","1","1") = "8"
    & skf18("4","9","6","7","1","2","1") = "8"
    & skf18("4","9","6","7","1","3","1") = "8"
    & skf18("4","9","6","7","1","4","1") = "8"
    & skf18("4","9","6","7","1","5","1") = "8"
    & skf18("4","9","6","7","1","6","1") = "8"
    & skf18("4","9","6","7","1","7","1") = "8"
    & skf18("4","9","6","7","1","8","1") = "8"
    & skf18("4","9","6","7","1","9","1") = "8"
    & skf18("4","9","6","7","1","10","1") = "9"
    & skf18("4","9","6","7","2","1","1") = "8"
    & skf18("4","9","6","7","2","2","1") = "8"
    & skf18("4","9","6","7","2","3","1") = "8"
    & skf18("4","9","6","7","2","4","1") = "8"
    & skf18("4","9","6","7","2","5","1") = "8"
    & skf18("4","9","6","7","2","6","1") = "8"
    & skf18("4","9","6","7","2","7","1") = "8"
    & skf18("4","9","6","7","2","8","1") = "8"
    & skf18("4","9","6","7","2","9","1") = "8"
    & skf18("4","9","6","7","2","10","1") = "9"
    & skf18("4","9","6","7","3","1","1") = "8"
    & skf18("4","9","6","7","3","2","1") = "8"
    & skf18("4","9","6","7","3","3","1") = "8"
    & skf18("4","9","6","7","3","4","1") = "8"
    & skf18("4","9","6","7","3","5","1") = "8"
    & skf18("4","9","6","7","3","6","1") = "8"
    & skf18("4","9","6","7","3","7","1") = "8"
    & skf18("4","9","6","7","3","8","1") = "8"
    & skf18("4","9","6","7","3","9","1") = "8"
    & skf18("4","9","6","7","3","10","1") = "9"
    & skf18("4","9","6","7","4","1","1") = "8"
    & skf18("4","9","6","7","4","2","1") = "8"
    & skf18("4","9","6","7","4","3","1") = "8"
    & skf18("4","9","6","7","4","4","1") = "8"
    & skf18("4","9","6","7","4","5","1") = "8"
    & skf18("4","9","6","7","4","6","1") = "8"
    & skf18("4","9","6","7","4","7","1") = "8"
    & skf18("4","9","6","7","4","8","1") = "8"
    & skf18("4","9","6","7","4","9","1") = "8"
    & skf18("4","9","6","7","4","10","1") = "9"
    & skf18("4","9","6","7","5","1","1") = "8"
    & skf18("4","9","6","7","5","2","1") = "8"
    & skf18("4","9","6","7","5","3","1") = "8"
    & skf18("4","9","6","7","5","4","1") = "8"
    & skf18("4","9","6","7","5","5","1") = "8"
    & skf18("4","9","6","7","5","6","1") = "8"
    & skf18("4","9","6","7","5","7","1") = "8"
    & skf18("4","9","6","7","5","8","1") = "8"
    & skf18("4","9","6","7","5","9","1") = "8"
    & skf18("4","9","6","7","5","10","1") = "9"
    & skf18("4","9","6","7","6","1","1") = "8"
    & skf18("4","9","6","7","6","2","1") = "8"
    & skf18("4","9","6","7","6","3","1") = "8"
    & skf18("4","9","6","7","6","4","1") = "8"
    & skf18("4","9","6","7","6","5","1") = "8"
    & skf18("4","9","6","7","6","6","1") = "8"
    & skf18("4","9","6","7","6","7","1") = "8"
    & skf18("4","9","6","7","6","8","1") = "8"
    & skf18("4","9","6","7","6","9","1") = "8"
    & skf18("4","9","6","7","6","10","1") = "9"
    & skf18("4","9","6","7","7","1","1") = "8"
    & skf18("4","9","6","7","7","2","1") = "8"
    & skf18("4","9","6","7","7","3","1") = "8"
    & skf18("4","9","6","7","7","4","1") = "8"
    & skf18("4","9","6","7","7","5","1") = "8"
    & skf18("4","9","6","7","7","6","1") = "8"
    & skf18("4","9","6","7","7","7","1") = "8"
    & skf18("4","9","6","7","7","8","1") = "8"
    & skf18("4","9","6","7","7","9","1") = "8"
    & skf18("4","9","6","7","7","10","1") = "9"
    & skf18("4","9","6","7","8","1","1") = "8"
    & skf18("4","9","6","7","8","2","1") = "8"
    & skf18("4","9","6","7","8","3","1") = "8"
    & skf18("4","9","6","7","8","4","1") = "8"
    & skf18("4","9","6","7","8","5","1") = "8"
    & skf18("4","9","6","7","8","6","1") = "8"
    & skf18("4","9","6","7","8","7","1") = "8"
    & skf18("4","9","6","7","8","8","1") = "8"
    & skf18("4","9","6","7","8","9","1") = "8"
    & skf18("4","9","6","7","8","10","1") = "9"
    & skf18("4","9","6","7","9","1","1") = "8"
    & skf18("4","9","6","7","9","2","1") = "8"
    & skf18("4","9","6","7","9","3","1") = "8"
    & skf18("4","9","6","7","9","4","1") = "8"
    & skf18("4","9","6","7","9","5","1") = "8"
    & skf18("4","9","6","7","9","6","1") = "8"
    & skf18("4","9","6","7","9","7","1") = "8"
    & skf18("4","9","6","7","9","8","1") = "8"
    & skf18("4","9","6","7","9","9","1") = "8"
    & skf18("4","9","6","7","9","10","1") = "9"
    & skf18("4","9","6","7","10","1","1") = "9"
    & skf18("4","9","6","7","10","2","1") = "9"
    & skf18("4","9","6","7","10","3","1") = "9"
    & skf18("4","9","6","7","10","4","1") = "9"
    & skf18("4","9","6","7","10","5","1") = "9"
    & skf18("4","9","6","7","10","6","1") = "9"
    & skf18("4","9","6","7","10","7","1") = "9"
    & skf18("4","9","6","7","10","8","1") = "9"
    & skf18("4","9","6","7","10","9","1") = "9"
    & skf18("4","9","6","7","10","10","1") = "9"
    & skf18("4","9","6","8","1","1","1") = "8"
    & skf18("4","9","6","8","1","2","1") = "8"
    & skf18("4","9","6","8","1","3","1") = "8"
    & skf18("4","9","6","8","1","4","1") = "8"
    & skf18("4","9","6","8","1","5","1") = "8"
    & skf18("4","9","6","8","1","6","1") = "8"
    & skf18("4","9","6","8","1","7","1") = "8"
    & skf18("4","9","6","8","1","8","1") = "8"
    & skf18("4","9","6","8","1","9","1") = "8"
    & skf18("4","9","6","8","1","10","1") = "9"
    & skf18("4","9","6","8","2","1","1") = "8"
    & skf18("4","9","6","8","2","2","1") = "8"
    & skf18("4","9","6","8","2","3","1") = "8"
    & skf18("4","9","6","8","2","4","1") = "8"
    & skf18("4","9","6","8","2","5","1") = "8"
    & skf18("4","9","6","8","2","6","1") = "8"
    & skf18("4","9","6","8","2","7","1") = "8"
    & skf18("4","9","6","8","2","8","1") = "8"
    & skf18("4","9","6","8","2","9","1") = "8"
    & skf18("4","9","6","8","2","10","1") = "9"
    & skf18("4","9","6","8","3","1","1") = "8"
    & skf18("4","9","6","8","3","2","1") = "8"
    & skf18("4","9","6","8","3","3","1") = "8"
    & skf18("4","9","6","8","3","4","1") = "8"
    & skf18("4","9","6","8","3","5","1") = "8"
    & skf18("4","9","6","8","3","6","1") = "8"
    & skf18("4","9","6","8","3","7","1") = "8"
    & skf18("4","9","6","8","3","8","1") = "8"
    & skf18("4","9","6","8","3","9","1") = "8"
    & skf18("4","9","6","8","3","10","1") = "9"
    & skf18("4","9","6","8","4","1","1") = "8"
    & skf18("4","9","6","8","4","2","1") = "8"
    & skf18("4","9","6","8","4","3","1") = "8"
    & skf18("4","9","6","8","4","4","1") = "8"
    & skf18("4","9","6","8","4","5","1") = "8"
    & skf18("4","9","6","8","4","6","1") = "8"
    & skf18("4","9","6","8","4","7","1") = "8"
    & skf18("4","9","6","8","4","8","1") = "8"
    & skf18("4","9","6","8","4","9","1") = "8"
    & skf18("4","9","6","8","4","10","1") = "9"
    & skf18("4","9","6","8","5","1","1") = "8"
    & skf18("4","9","6","8","5","2","1") = "8"
    & skf18("4","9","6","8","5","3","1") = "8"
    & skf18("4","9","6","8","5","4","1") = "8"
    & skf18("4","9","6","8","5","5","1") = "8"
    & skf18("4","9","6","8","5","6","1") = "8"
    & skf18("4","9","6","8","5","7","1") = "8"
    & skf18("4","9","6","8","5","8","1") = "8"
    & skf18("4","9","6","8","5","9","1") = "8"
    & skf18("4","9","6","8","5","10","1") = "9"
    & skf18("4","9","6","8","6","1","1") = "8"
    & skf18("4","9","6","8","6","2","1") = "8"
    & skf18("4","9","6","8","6","3","1") = "8"
    & skf18("4","9","6","8","6","4","1") = "8"
    & skf18("4","9","6","8","6","5","1") = "8"
    & skf18("4","9","6","8","6","6","1") = "8"
    & skf18("4","9","6","8","6","7","1") = "8"
    & skf18("4","9","6","8","6","8","1") = "8"
    & skf18("4","9","6","8","6","9","1") = "8"
    & skf18("4","9","6","8","6","10","1") = "9"
    & skf18("4","9","6","8","7","1","1") = "8"
    & skf18("4","9","6","8","7","2","1") = "8"
    & skf18("4","9","6","8","7","3","1") = "8"
    & skf18("4","9","6","8","7","4","1") = "8"
    & skf18("4","9","6","8","7","5","1") = "8"
    & skf18("4","9","6","8","7","6","1") = "8"
    & skf18("4","9","6","8","7","7","1") = "8"
    & skf18("4","9","6","8","7","8","1") = "8"
    & skf18("4","9","6","8","7","9","1") = "8"
    & skf18("4","9","6","8","7","10","1") = "9"
    & skf18("4","9","6","8","8","1","1") = "8"
    & skf18("4","9","6","8","8","2","1") = "8"
    & skf18("4","9","6","8","8","3","1") = "8"
    & skf18("4","9","6","8","8","4","1") = "8"
    & skf18("4","9","6","8","8","5","1") = "8"
    & skf18("4","9","6","8","8","6","1") = "8"
    & skf18("4","9","6","8","8","7","1") = "8"
    & skf18("4","9","6","8","8","8","1") = "8"
    & skf18("4","9","6","8","8","9","1") = "8"
    & skf18("4","9","6","8","8","10","1") = "9"
    & skf18("4","9","6","8","9","1","1") = "8"
    & skf18("4","9","6","8","9","2","1") = "8"
    & skf18("4","9","6","8","9","3","1") = "8"
    & skf18("4","9","6","8","9","4","1") = "8"
    & skf18("4","9","6","8","9","5","1") = "8"
    & skf18("4","9","6","8","9","6","1") = "8"
    & skf18("4","9","6","8","9","7","1") = "8"
    & skf18("4","9","6","8","9","8","1") = "8"
    & skf18("4","9","6","8","9","9","1") = "8"
    & skf18("4","9","6","8","9","10","1") = "9"
    & skf18("4","9","6","8","10","1","1") = "9"
    & skf18("4","9","6","8","10","2","1") = "9"
    & skf18("4","9","6","8","10","3","1") = "9"
    & skf18("4","9","6","8","10","4","1") = "9"
    & skf18("4","9","6","8","10","5","1") = "9"
    & skf18("4","9","6","8","10","6","1") = "9"
    & skf18("4","9","6","8","10","7","1") = "9"
    & skf18("4","9","6","8","10","8","1") = "9"
    & skf18("4","9","6","8","10","9","1") = "9"
    & skf18("4","9","6","8","10","10","1") = "9"
    & skf18("4","9","6","9","1","1","1") = "8"
    & skf18("4","9","6","9","1","2","1") = "8"
    & skf18("4","9","6","9","1","3","1") = "8"
    & skf18("4","9","6","9","1","4","1") = "8"
    & skf18("4","9","6","9","1","5","1") = "8"
    & skf18("4","9","6","9","1","6","1") = "8"
    & skf18("4","9","6","9","1","7","1") = "8"
    & skf18("4","9","6","9","1","8","1") = "8"
    & skf18("4","9","6","9","1","9","1") = "8"
    & skf18("4","9","6","9","1","10","1") = "9"
    & skf18("4","9","6","9","2","1","1") = "8"
    & skf18("4","9","6","9","2","2","1") = "8"
    & skf18("4","9","6","9","2","3","1") = "8"
    & skf18("4","9","6","9","2","4","1") = "8"
    & skf18("4","9","6","9","2","5","1") = "8"
    & skf18("4","9","6","9","2","6","1") = "8"
    & skf18("4","9","6","9","2","7","1") = "8"
    & skf18("4","9","6","9","2","8","1") = "8"
    & skf18("4","9","6","9","2","9","1") = "8"
    & skf18("4","9","6","9","2","10","1") = "9"
    & skf18("4","9","6","9","3","1","1") = "8"
    & skf18("4","9","6","9","3","2","1") = "8"
    & skf18("4","9","6","9","3","3","1") = "8"
    & skf18("4","9","6","9","3","4","1") = "8"
    & skf18("4","9","6","9","3","5","1") = "8"
    & skf18("4","9","6","9","3","6","1") = "8"
    & skf18("4","9","6","9","3","7","1") = "8"
    & skf18("4","9","6","9","3","8","1") = "8"
    & skf18("4","9","6","9","3","9","1") = "8"
    & skf18("4","9","6","9","3","10","1") = "9"
    & skf18("4","9","6","9","4","1","1") = "8"
    & skf18("4","9","6","9","4","2","1") = "8"
    & skf18("4","9","6","9","4","3","1") = "8"
    & skf18("4","9","6","9","4","4","1") = "8"
    & skf18("4","9","6","9","4","5","1") = "8"
    & skf18("4","9","6","9","4","6","1") = "8"
    & skf18("4","9","6","9","4","7","1") = "8"
    & skf18("4","9","6","9","4","8","1") = "8"
    & skf18("4","9","6","9","4","9","1") = "8"
    & skf18("4","9","6","9","4","10","1") = "9"
    & skf18("4","9","6","9","5","1","1") = "8"
    & skf18("4","9","6","9","5","2","1") = "8"
    & skf18("4","9","6","9","5","3","1") = "8"
    & skf18("4","9","6","9","5","4","1") = "8"
    & skf18("4","9","6","9","5","5","1") = "8"
    & skf18("4","9","6","9","5","6","1") = "8"
    & skf18("4","9","6","9","5","7","1") = "8"
    & skf18("4","9","6","9","5","8","1") = "8"
    & skf18("4","9","6","9","5","9","1") = "8"
    & skf18("4","9","6","9","5","10","1") = "9"
    & skf18("4","9","6","9","6","1","1") = "8"
    & skf18("4","9","6","9","6","2","1") = "8"
    & skf18("4","9","6","9","6","3","1") = "8"
    & skf18("4","9","6","9","6","4","1") = "8"
    & skf18("4","9","6","9","6","5","1") = "8"
    & skf18("4","9","6","9","6","6","1") = "8"
    & skf18("4","9","6","9","6","7","1") = "8"
    & skf18("4","9","6","9","6","8","1") = "8"
    & skf18("4","9","6","9","6","9","1") = "8"
    & skf18("4","9","6","9","6","10","1") = "9"
    & skf18("4","9","6","9","7","1","1") = "8"
    & skf18("4","9","6","9","7","2","1") = "8"
    & skf18("4","9","6","9","7","3","1") = "8"
    & skf18("4","9","6","9","7","4","1") = "8"
    & skf18("4","9","6","9","7","5","1") = "8"
    & skf18("4","9","6","9","7","6","1") = "8"
    & skf18("4","9","6","9","7","7","1") = "8"
    & skf18("4","9","6","9","7","8","1") = "8"
    & skf18("4","9","6","9","7","9","1") = "8"
    & skf18("4","9","6","9","7","10","1") = "9"
    & skf18("4","9","6","9","8","1","1") = "8"
    & skf18("4","9","6","9","8","2","1") = "8"
    & skf18("4","9","6","9","8","3","1") = "8"
    & skf18("4","9","6","9","8","4","1") = "8"
    & skf18("4","9","6","9","8","5","1") = "8"
    & skf18("4","9","6","9","8","6","1") = "8"
    & skf18("4","9","6","9","8","7","1") = "8"
    & skf18("4","9","6","9","8","8","1") = "8"
    & skf18("4","9","6","9","8","9","1") = "8"
    & skf18("4","9","6","9","8","10","1") = "9"
    & skf18("4","9","6","9","9","1","1") = "8"
    & skf18("4","9","6","9","9","2","1") = "8"
    & skf18("4","9","6","9","9","3","1") = "8"
    & skf18("4","9","6","9","9","4","1") = "8"
    & skf18("4","9","6","9","9","5","1") = "8"
    & skf18("4","9","6","9","9","6","1") = "8"
    & skf18("4","9","6","9","9","7","1") = "8"
    & skf18("4","9","6","9","9","8","1") = "8"
    & skf18("4","9","6","9","9","9","1") = "8"
    & skf18("4","9","6","9","9","10","1") = "9"
    & skf18("4","9","6","9","10","1","1") = "9"
    & skf18("4","9","6","9","10","2","1") = "9"
    & skf18("4","9","6","9","10","3","1") = "9"
    & skf18("4","9","6","9","10","4","1") = "9"
    & skf18("4","9","6","9","10","5","1") = "9"
    & skf18("4","9","6","9","10","6","1") = "9"
    & skf18("4","9","6","9","10","7","1") = "9"
    & skf18("4","9","6","9","10","8","1") = "9"
    & skf18("4","9","6","9","10","9","1") = "9"
    & skf18("4","9","6","9","10","10","1") = "9"
    & skf18("4","9","6","10","1","1","1") = "9"
    & skf18("4","9","6","10","1","2","1") = "9"
    & skf18("4","9","6","10","1","3","1") = "9"
    & skf18("4","9","6","10","1","4","1") = "9"
    & skf18("4","9","6","10","1","5","1") = "9"
    & skf18("4","9","6","10","1","6","1") = "9"
    & skf18("4","9","6","10","1","7","1") = "9"
    & skf18("4","9","6","10","1","8","1") = "9"
    & skf18("4","9","6","10","1","9","1") = "9"
    & skf18("4","9","6","10","1","10","1") = "9"
    & skf18("4","9","6","10","2","1","1") = "9"
    & skf18("4","9","6","10","2","2","1") = "9"
    & skf18("4","9","6","10","2","3","1") = "9"
    & skf18("4","9","6","10","2","4","1") = "9"
    & skf18("4","9","6","10","2","5","1") = "9"
    & skf18("4","9","6","10","2","6","1") = "9"
    & skf18("4","9","6","10","2","7","1") = "9"
    & skf18("4","9","6","10","2","8","1") = "9"
    & skf18("4","9","6","10","2","9","1") = "9"
    & skf18("4","9","6","10","2","10","1") = "9"
    & skf18("4","9","6","10","3","1","1") = "9"
    & skf18("4","9","6","10","3","2","1") = "9"
    & skf18("4","9","6","10","3","3","1") = "9"
    & skf18("4","9","6","10","3","4","1") = "9"
    & skf18("4","9","6","10","3","5","1") = "9"
    & skf18("4","9","6","10","3","6","1") = "9"
    & skf18("4","9","6","10","3","7","1") = "9"
    & skf18("4","9","6","10","3","8","1") = "9"
    & skf18("4","9","6","10","3","9","1") = "9"
    & skf18("4","9","6","10","3","10","1") = "9"
    & skf18("4","9","6","10","4","1","1") = "9"
    & skf18("4","9","6","10","4","2","1") = "9"
    & skf18("4","9","6","10","4","3","1") = "9"
    & skf18("4","9","6","10","4","4","1") = "9"
    & skf18("4","9","6","10","4","5","1") = "9"
    & skf18("4","9","6","10","4","6","1") = "9"
    & skf18("4","9","6","10","4","7","1") = "9"
    & skf18("4","9","6","10","4","8","1") = "9"
    & skf18("4","9","6","10","4","9","1") = "9"
    & skf18("4","9","6","10","4","10","1") = "9"
    & skf18("4","9","6","10","5","1","1") = "9"
    & skf18("4","9","6","10","5","2","1") = "9"
    & skf18("4","9","6","10","5","3","1") = "9"
    & skf18("4","9","6","10","5","4","1") = "9"
    & skf18("4","9","6","10","5","5","1") = "9"
    & skf18("4","9","6","10","5","6","1") = "9"
    & skf18("4","9","6","10","5","7","1") = "9"
    & skf18("4","9","6","10","5","8","1") = "9"
    & skf18("4","9","6","10","5","9","1") = "9"
    & skf18("4","9","6","10","5","10","1") = "9"
    & skf18("4","9","6","10","6","1","1") = "9"
    & skf18("4","9","6","10","6","2","1") = "9"
    & skf18("4","9","6","10","6","3","1") = "9"
    & skf18("4","9","6","10","6","4","1") = "9"
    & skf18("4","9","6","10","6","5","1") = "9"
    & skf18("4","9","6","10","6","6","1") = "9"
    & skf18("4","9","6","10","6","7","1") = "9"
    & skf18("4","9","6","10","6","8","1") = "9"
    & skf18("4","9","6","10","6","9","1") = "9"
    & skf18("4","9","6","10","6","10","1") = "9"
    & skf18("4","9","6","10","7","1","1") = "9"
    & skf18("4","9","6","10","7","2","1") = "9"
    & skf18("4","9","6","10","7","3","1") = "9"
    & skf18("4","9","6","10","7","4","1") = "9"
    & skf18("4","9","6","10","7","5","1") = "9"
    & skf18("4","9","6","10","7","6","1") = "9"
    & skf18("4","9","6","10","7","7","1") = "9"
    & skf18("4","9","6","10","7","8","1") = "9"
    & skf18("4","9","6","10","7","9","1") = "9"
    & skf18("4","9","6","10","7","10","1") = "9"
    & skf18("4","9","6","10","8","1","1") = "9"
    & skf18("4","9","6","10","8","2","1") = "9"
    & skf18("4","9","6","10","8","3","1") = "9"
    & skf18("4","9","6","10","8","4","1") = "9"
    & skf18("4","9","6","10","8","5","1") = "9"
    & skf18("4","9","6","10","8","6","1") = "9"
    & skf18("4","9","6","10","8","7","1") = "9"
    & skf18("4","9","6","10","8","8","1") = "9"
    & skf18("4","9","6","10","8","9","1") = "9"
    & skf18("4","9","6","10","8","10","1") = "9"
    & skf18("4","9","6","10","9","1","1") = "9"
    & skf18("4","9","6","10","9","2","1") = "9"
    & skf18("4","9","6","10","9","3","1") = "9"
    & skf18("4","9","6","10","9","4","1") = "9"
    & skf18("4","9","6","10","9","5","1") = "9"
    & skf18("4","9","6","10","9","6","1") = "9"
    & skf18("4","9","6","10","9","7","1") = "9"
    & skf18("4","9","6","10","9","8","1") = "9"
    & skf18("4","9","6","10","9","9","1") = "9"
    & skf18("4","9","6","10","9","10","1") = "9"
    & skf18("4","9","6","10","10","1","1") = "9"
    & skf18("4","9","6","10","10","2","1") = "9"
    & skf18("4","9","6","10","10","3","1") = "9"
    & skf18("4","9","6","10","10","4","1") = "9"
    & skf18("4","9","6","10","10","5","1") = "9"
    & skf18("4","9","6","10","10","6","1") = "9"
    & skf18("4","9","6","10","10","7","1") = "9"
    & skf18("4","9","6","10","10","8","1") = "9"
    & skf18("4","9","6","10","10","9","1") = "9"
    & skf18("4","9","6","10","10","10","1") = "9"
    & skf18("4","9","7","1","1","1","1") = "8"
    & skf18("4","9","7","1","1","2","1") = "8"
    & skf18("4","9","7","1","1","3","1") = "8"
    & skf18("4","9","7","1","1","4","1") = "8"
    & skf18("4","9","7","1","1","5","1") = "8"
    & skf18("4","9","7","1","1","6","1") = "8"
    & skf18("4","9","7","1","1","7","1") = "8"
    & skf18("4","9","7","1","1","8","1") = "8"
    & skf18("4","9","7","1","1","9","1") = "8"
    & skf18("4","9","7","1","1","10","1") = "9"
    & skf18("4","9","7","1","2","1","1") = "8"
    & skf18("4","9","7","1","2","2","1") = "8"
    & skf18("4","9","7","1","2","3","1") = "8"
    & skf18("4","9","7","1","2","4","1") = "8"
    & skf18("4","9","7","1","2","5","1") = "8"
    & skf18("4","9","7","1","2","6","1") = "8"
    & skf18("4","9","7","1","2","7","1") = "8"
    & skf18("4","9","7","1","2","8","1") = "8"
    & skf18("4","9","7","1","2","9","1") = "8"
    & skf18("4","9","7","1","2","10","1") = "9"
    & skf18("4","9","7","1","3","1","1") = "8"
    & skf18("4","9","7","1","3","2","1") = "8"
    & skf18("4","9","7","1","3","3","1") = "8"
    & skf18("4","9","7","1","3","4","1") = "8"
    & skf18("4","9","7","1","3","5","1") = "8"
    & skf18("4","9","7","1","3","6","1") = "8"
    & skf18("4","9","7","1","3","7","1") = "8"
    & skf18("4","9","7","1","3","8","1") = "8"
    & skf18("4","9","7","1","3","9","1") = "8"
    & skf18("4","9","7","1","3","10","1") = "9"
    & skf18("4","9","7","1","4","1","1") = "8"
    & skf18("4","9","7","1","4","2","1") = "8"
    & skf18("4","9","7","1","4","3","1") = "8"
    & skf18("4","9","7","1","4","4","1") = "8"
    & skf18("4","9","7","1","4","5","1") = "8"
    & skf18("4","9","7","1","4","6","1") = "8"
    & skf18("4","9","7","1","4","7","1") = "8"
    & skf18("4","9","7","1","4","8","1") = "8"
    & skf18("4","9","7","1","4","9","1") = "8"
    & skf18("4","9","7","1","4","10","1") = "9"
    & skf18("4","9","7","1","5","1","1") = "8"
    & skf18("4","9","7","1","5","2","1") = "8"
    & skf18("4","9","7","1","5","3","1") = "8"
    & skf18("4","9","7","1","5","4","1") = "8"
    & skf18("4","9","7","1","5","5","1") = "8"
    & skf18("4","9","7","1","5","6","1") = "8"
    & skf18("4","9","7","1","5","7","1") = "8"
    & skf18("4","9","7","1","5","8","1") = "8"
    & skf18("4","9","7","1","5","9","1") = "8"
    & skf18("4","9","7","1","5","10","1") = "9"
    & skf18("4","9","7","1","6","1","1") = "8"
    & skf18("4","9","7","1","6","2","1") = "8"
    & skf18("4","9","7","1","6","3","1") = "8"
    & skf18("4","9","7","1","6","4","1") = "8"
    & skf18("4","9","7","1","6","5","1") = "8"
    & skf18("4","9","7","1","6","6","1") = "8"
    & skf18("4","9","7","1","6","7","1") = "8"
    & skf18("4","9","7","1","6","8","1") = "8"
    & skf18("4","9","7","1","6","9","1") = "8"
    & skf18("4","9","7","1","6","10","1") = "9"
    & skf18("4","9","7","1","7","1","1") = "8"
    & skf18("4","9","7","1","7","2","1") = "8"
    & skf18("4","9","7","1","7","3","1") = "8"
    & skf18("4","9","7","1","7","4","1") = "8"
    & skf18("4","9","7","1","7","5","1") = "8"
    & skf18("4","9","7","1","7","6","1") = "8"
    & skf18("4","9","7","1","7","7","1") = "8"
    & skf18("4","9","7","1","7","8","1") = "8"
    & skf18("4","9","7","1","7","9","1") = "8"
    & skf18("4","9","7","1","7","10","1") = "9"
    & skf18("4","9","7","1","8","1","1") = "8"
    & skf18("4","9","7","1","8","2","1") = "8"
    & skf18("4","9","7","1","8","3","1") = "8"
    & skf18("4","9","7","1","8","4","1") = "8"
    & skf18("4","9","7","1","8","5","1") = "8"
    & skf18("4","9","7","1","8","6","1") = "8"
    & skf18("4","9","7","1","8","7","1") = "8"
    & skf18("4","9","7","1","8","8","1") = "8"
    & skf18("4","9","7","1","8","9","1") = "8"
    & skf18("4","9","7","1","8","10","1") = "9"
    & skf18("4","9","7","1","9","1","1") = "8"
    & skf18("4","9","7","1","9","2","1") = "8"
    & skf18("4","9","7","1","9","3","1") = "8"
    & skf18("4","9","7","1","9","4","1") = "8"
    & skf18("4","9","7","1","9","5","1") = "8"
    & skf18("4","9","7","1","9","6","1") = "8"
    & skf18("4","9","7","1","9","7","1") = "8"
    & skf18("4","9","7","1","9","8","1") = "8"
    & skf18("4","9","7","1","9","9","1") = "8"
    & skf18("4","9","7","1","9","10","1") = "9"
    & skf18("4","9","7","1","10","1","1") = "9"
    & skf18("4","9","7","1","10","2","1") = "9"
    & skf18("4","9","7","1","10","3","1") = "9"
    & skf18("4","9","7","1","10","4","1") = "9"
    & skf18("4","9","7","1","10","5","1") = "9"
    & skf18("4","9","7","1","10","6","1") = "9"
    & skf18("4","9","7","1","10","7","1") = "9"
    & skf18("4","9","7","1","10","8","1") = "9"
    & skf18("4","9","7","1","10","9","1") = "9"
    & skf18("4","9","7","1","10","10","1") = "9"
    & skf18("4","9","7","2","1","1","1") = "8"
    & skf18("4","9","7","2","1","2","1") = "8"
    & skf18("4","9","7","2","1","3","1") = "8"
    & skf18("4","9","7","2","1","4","1") = "8"
    & skf18("4","9","7","2","1","5","1") = "8"
    & skf18("4","9","7","2","1","6","1") = "8"
    & skf18("4","9","7","2","1","7","1") = "8"
    & skf18("4","9","7","2","1","8","1") = "8"
    & skf18("4","9","7","2","1","9","1") = "8"
    & skf18("4","9","7","2","1","10","1") = "9"
    & skf18("4","9","7","2","2","1","1") = "8"
    & skf18("4","9","7","2","2","2","1") = "8"
    & skf18("4","9","7","2","2","3","1") = "8"
    & skf18("4","9","7","2","2","4","1") = "8"
    & skf18("4","9","7","2","2","5","1") = "8"
    & skf18("4","9","7","2","2","6","1") = "8"
    & skf18("4","9","7","2","2","7","1") = "8"
    & skf18("4","9","7","2","2","8","1") = "8"
    & skf18("4","9","7","2","2","9","1") = "8"
    & skf18("4","9","7","2","2","10","1") = "9"
    & skf18("4","9","7","2","3","1","1") = "8"
    & skf18("4","9","7","2","3","2","1") = "8"
    & skf18("4","9","7","2","3","3","1") = "8"
    & skf18("4","9","7","2","3","4","1") = "8"
    & skf18("4","9","7","2","3","5","1") = "8"
    & skf18("4","9","7","2","3","6","1") = "8"
    & skf18("4","9","7","2","3","7","1") = "8"
    & skf18("4","9","7","2","3","8","1") = "8"
    & skf18("4","9","7","2","3","9","1") = "8"
    & skf18("4","9","7","2","3","10","1") = "9"
    & skf18("4","9","7","2","4","1","1") = "8"
    & skf18("4","9","7","2","4","2","1") = "8"
    & skf18("4","9","7","2","4","3","1") = "8"
    & skf18("4","9","7","2","4","4","1") = "8"
    & skf18("4","9","7","2","4","5","1") = "8"
    & skf18("4","9","7","2","4","6","1") = "8"
    & skf18("4","9","7","2","4","7","1") = "8"
    & skf18("4","9","7","2","4","8","1") = "8"
    & skf18("4","9","7","2","4","9","1") = "8"
    & skf18("4","9","7","2","4","10","1") = "9"
    & skf18("4","9","7","2","5","1","1") = "8"
    & skf18("4","9","7","2","5","2","1") = "8"
    & skf18("4","9","7","2","5","3","1") = "8"
    & skf18("4","9","7","2","5","4","1") = "8"
    & skf18("4","9","7","2","5","5","1") = "8"
    & skf18("4","9","7","2","5","6","1") = "8"
    & skf18("4","9","7","2","5","7","1") = "8"
    & skf18("4","9","7","2","5","8","1") = "8"
    & skf18("4","9","7","2","5","9","1") = "8"
    & skf18("4","9","7","2","5","10","1") = "9"
    & skf18("4","9","7","2","6","1","1") = "8"
    & skf18("4","9","7","2","6","2","1") = "8"
    & skf18("4","9","7","2","6","3","1") = "8"
    & skf18("4","9","7","2","6","4","1") = "8"
    & skf18("4","9","7","2","6","5","1") = "8"
    & skf18("4","9","7","2","6","6","1") = "8"
    & skf18("4","9","7","2","6","7","1") = "8"
    & skf18("4","9","7","2","6","8","1") = "8"
    & skf18("4","9","7","2","6","9","1") = "8"
    & skf18("4","9","7","2","6","10","1") = "9"
    & skf18("4","9","7","2","7","1","1") = "8"
    & skf18("4","9","7","2","7","2","1") = "8"
    & skf18("4","9","7","2","7","3","1") = "8"
    & skf18("4","9","7","2","7","4","1") = "8"
    & skf18("4","9","7","2","7","5","1") = "8"
    & skf18("4","9","7","2","7","6","1") = "8"
    & skf18("4","9","7","2","7","7","1") = "8"
    & skf18("4","9","7","2","7","8","1") = "8"
    & skf18("4","9","7","2","7","9","1") = "8"
    & skf18("4","9","7","2","7","10","1") = "9"
    & skf18("4","9","7","2","8","1","1") = "8"
    & skf18("4","9","7","2","8","2","1") = "8"
    & skf18("4","9","7","2","8","3","1") = "8"
    & skf18("4","9","7","2","8","4","1") = "8"
    & skf18("4","9","7","2","8","5","1") = "8"
    & skf18("4","9","7","2","8","6","1") = "8"
    & skf18("4","9","7","2","8","7","1") = "8"
    & skf18("4","9","7","2","8","8","1") = "8"
    & skf18("4","9","7","2","8","9","1") = "8"
    & skf18("4","9","7","2","8","10","1") = "9"
    & skf18("4","9","7","2","9","1","1") = "8"
    & skf18("4","9","7","2","9","2","1") = "8"
    & skf18("4","9","7","2","9","3","1") = "8"
    & skf18("4","9","7","2","9","4","1") = "8"
    & skf18("4","9","7","2","9","5","1") = "8"
    & skf18("4","9","7","2","9","6","1") = "8"
    & skf18("4","9","7","2","9","7","1") = "8"
    & skf18("4","9","7","2","9","8","1") = "8"
    & skf18("4","9","7","2","9","9","1") = "8"
    & skf18("4","9","7","2","9","10","1") = "9"
    & skf18("4","9","7","2","10","1","1") = "9"
    & skf18("4","9","7","2","10","2","1") = "9"
    & skf18("4","9","7","2","10","3","1") = "9"
    & skf18("4","9","7","2","10","4","1") = "9"
    & skf18("4","9","7","2","10","5","1") = "9"
    & skf18("4","9","7","2","10","6","1") = "9"
    & skf18("4","9","7","2","10","7","1") = "9"
    & skf18("4","9","7","2","10","8","1") = "9"
    & skf18("4","9","7","2","10","9","1") = "9"
    & skf18("4","9","7","2","10","10","1") = "9"
    & skf18("4","9","7","3","1","1","1") = "8"
    & skf18("4","9","7","3","1","2","1") = "8"
    & skf18("4","9","7","3","1","3","1") = "8"
    & skf18("4","9","7","3","1","4","1") = "8"
    & skf18("4","9","7","3","1","5","1") = "8"
    & skf18("4","9","7","3","1","6","1") = "8"
    & skf18("4","9","7","3","1","7","1") = "8"
    & skf18("4","9","7","3","1","8","1") = "8"
    & skf18("4","9","7","3","1","9","1") = "8"
    & skf18("4","9","7","3","1","10","1") = "9"
    & skf18("4","9","7","3","2","1","1") = "8"
    & skf18("4","9","7","3","2","2","1") = "8"
    & skf18("4","9","7","3","2","3","1") = "8"
    & skf18("4","9","7","3","2","4","1") = "8"
    & skf18("4","9","7","3","2","5","1") = "8"
    & skf18("4","9","7","3","2","6","1") = "8"
    & skf18("4","9","7","3","2","7","1") = "8"
    & skf18("4","9","7","3","2","8","1") = "8"
    & skf18("4","9","7","3","2","9","1") = "8"
    & skf18("4","9","7","3","2","10","1") = "9"
    & skf18("4","9","7","3","3","1","1") = "8"
    & skf18("4","9","7","3","3","2","1") = "8"
    & skf18("4","9","7","3","3","3","1") = "8"
    & skf18("4","9","7","3","3","4","1") = "8"
    & skf18("4","9","7","3","3","5","1") = "8"
    & skf18("4","9","7","3","3","6","1") = "8"
    & skf18("4","9","7","3","3","7","1") = "8"
    & skf18("4","9","7","3","3","8","1") = "8"
    & skf18("4","9","7","3","3","9","1") = "8"
    & skf18("4","9","7","3","3","10","1") = "9"
    & skf18("4","9","7","3","4","1","1") = "8"
    & skf18("4","9","7","3","4","2","1") = "8"
    & skf18("4","9","7","3","4","3","1") = "8"
    & skf18("4","9","7","3","4","4","1") = "8"
    & skf18("4","9","7","3","4","5","1") = "8"
    & skf18("4","9","7","3","4","6","1") = "8"
    & skf18("4","9","7","3","4","7","1") = "8"
    & skf18("4","9","7","3","4","8","1") = "8"
    & skf18("4","9","7","3","4","9","1") = "8"
    & skf18("4","9","7","3","4","10","1") = "9"
    & skf18("4","9","7","3","5","1","1") = "8"
    & skf18("4","9","7","3","5","2","1") = "8"
    & skf18("4","9","7","3","5","3","1") = "8"
    & skf18("4","9","7","3","5","4","1") = "8"
    & skf18("4","9","7","3","5","5","1") = "8"
    & skf18("4","9","7","3","5","6","1") = "8"
    & skf18("4","9","7","3","5","7","1") = "8"
    & skf18("4","9","7","3","5","8","1") = "8"
    & skf18("4","9","7","3","5","9","1") = "8"
    & skf18("4","9","7","3","5","10","1") = "9"
    & skf18("4","9","7","3","6","1","1") = "8"
    & skf18("4","9","7","3","6","2","1") = "8"
    & skf18("4","9","7","3","6","3","1") = "8"
    & skf18("4","9","7","3","6","4","1") = "8"
    & skf18("4","9","7","3","6","5","1") = "8"
    & skf18("4","9","7","3","6","6","1") = "8"
    & skf18("4","9","7","3","6","7","1") = "8"
    & skf18("4","9","7","3","6","8","1") = "8"
    & skf18("4","9","7","3","6","9","1") = "8"
    & skf18("4","9","7","3","6","10","1") = "9"
    & skf18("4","9","7","3","7","1","1") = "8"
    & skf18("4","9","7","3","7","2","1") = "8"
    & skf18("4","9","7","3","7","3","1") = "8"
    & skf18("4","9","7","3","7","4","1") = "8"
    & skf18("4","9","7","3","7","5","1") = "8"
    & skf18("4","9","7","3","7","6","1") = "8"
    & skf18("4","9","7","3","7","7","1") = "8"
    & skf18("4","9","7","3","7","8","1") = "8"
    & skf18("4","9","7","3","7","9","1") = "8"
    & skf18("4","9","7","3","7","10","1") = "9"
    & skf18("4","9","7","3","8","1","1") = "8"
    & skf18("4","9","7","3","8","2","1") = "8"
    & skf18("4","9","7","3","8","3","1") = "8"
    & skf18("4","9","7","3","8","4","1") = "8"
    & skf18("4","9","7","3","8","5","1") = "8"
    & skf18("4","9","7","3","8","6","1") = "8"
    & skf18("4","9","7","3","8","7","1") = "8"
    & skf18("4","9","7","3","8","8","1") = "8"
    & skf18("4","9","7","3","8","9","1") = "8"
    & skf18("4","9","7","3","8","10","1") = "9"
    & skf18("4","9","7","3","9","1","1") = "8"
    & skf18("4","9","7","3","9","2","1") = "8"
    & skf18("4","9","7","3","9","3","1") = "8"
    & skf18("4","9","7","3","9","4","1") = "8"
    & skf18("4","9","7","3","9","5","1") = "8"
    & skf18("4","9","7","3","9","6","1") = "8"
    & skf18("4","9","7","3","9","7","1") = "8"
    & skf18("4","9","7","3","9","8","1") = "8"
    & skf18("4","9","7","3","9","9","1") = "8"
    & skf18("4","9","7","3","9","10","1") = "9"
    & skf18("4","9","7","3","10","1","1") = "9"
    & skf18("4","9","7","3","10","2","1") = "9"
    & skf18("4","9","7","3","10","3","1") = "9"
    & skf18("4","9","7","3","10","4","1") = "9"
    & skf18("4","9","7","3","10","5","1") = "9"
    & skf18("4","9","7","3","10","6","1") = "9"
    & skf18("4","9","7","3","10","7","1") = "9"
    & skf18("4","9","7","3","10","8","1") = "9"
    & skf18("4","9","7","3","10","9","1") = "9"
    & skf18("4","9","7","3","10","10","1") = "9"
    & skf18("4","9","7","4","1","1","1") = "8"
    & skf18("4","9","7","4","1","2","1") = "8"
    & skf18("4","9","7","4","1","3","1") = "8"
    & skf18("4","9","7","4","1","4","1") = "8"
    & skf18("4","9","7","4","1","5","1") = "8"
    & skf18("4","9","7","4","1","6","1") = "8"
    & skf18("4","9","7","4","1","7","1") = "8"
    & skf18("4","9","7","4","1","8","1") = "8"
    & skf18("4","9","7","4","1","9","1") = "8"
    & skf18("4","9","7","4","1","10","1") = "9"
    & skf18("4","9","7","4","2","1","1") = "8"
    & skf18("4","9","7","4","2","2","1") = "8"
    & skf18("4","9","7","4","2","3","1") = "8"
    & skf18("4","9","7","4","2","4","1") = "8"
    & skf18("4","9","7","4","2","5","1") = "8"
    & skf18("4","9","7","4","2","6","1") = "8"
    & skf18("4","9","7","4","2","7","1") = "8"
    & skf18("4","9","7","4","2","8","1") = "8"
    & skf18("4","9","7","4","2","9","1") = "8"
    & skf18("4","9","7","4","2","10","1") = "9"
    & skf18("4","9","7","4","3","1","1") = "8"
    & skf18("4","9","7","4","3","2","1") = "8"
    & skf18("4","9","7","4","3","3","1") = "8"
    & skf18("4","9","7","4","3","4","1") = "8"
    & skf18("4","9","7","4","3","5","1") = "8"
    & skf18("4","9","7","4","3","6","1") = "8"
    & skf18("4","9","7","4","3","7","1") = "8"
    & skf18("4","9","7","4","3","8","1") = "8"
    & skf18("4","9","7","4","3","9","1") = "8"
    & skf18("4","9","7","4","3","10","1") = "9"
    & skf18("4","9","7","4","4","1","1") = "8"
    & skf18("4","9","7","4","4","2","1") = "8"
    & skf18("4","9","7","4","4","3","1") = "8"
    & skf18("4","9","7","4","4","4","1") = "8"
    & skf18("4","9","7","4","4","5","1") = "8"
    & skf18("4","9","7","4","4","6","1") = "8"
    & skf18("4","9","7","4","4","7","1") = "8"
    & skf18("4","9","7","4","4","8","1") = "8"
    & skf18("4","9","7","4","4","9","1") = "8"
    & skf18("4","9","7","4","4","10","1") = "9"
    & skf18("4","9","7","4","5","1","1") = "8"
    & skf18("4","9","7","4","5","2","1") = "8"
    & skf18("4","9","7","4","5","3","1") = "8"
    & skf18("4","9","7","4","5","4","1") = "8"
    & skf18("4","9","7","4","5","5","1") = "8"
    & skf18("4","9","7","4","5","6","1") = "8"
    & skf18("4","9","7","4","5","7","1") = "8"
    & skf18("4","9","7","4","5","8","1") = "8"
    & skf18("4","9","7","4","5","9","1") = "8"
    & skf18("4","9","7","4","5","10","1") = "9"
    & skf18("4","9","7","4","6","1","1") = "8"
    & skf18("4","9","7","4","6","2","1") = "8"
    & skf18("4","9","7","4","6","3","1") = "8"
    & skf18("4","9","7","4","6","4","1") = "8"
    & skf18("4","9","7","4","6","5","1") = "8"
    & skf18("4","9","7","4","6","6","1") = "8"
    & skf18("4","9","7","4","6","7","1") = "8"
    & skf18("4","9","7","4","6","8","1") = "8"
    & skf18("4","9","7","4","6","9","1") = "8"
    & skf18("4","9","7","4","6","10","1") = "9"
    & skf18("4","9","7","4","7","1","1") = "8"
    & skf18("4","9","7","4","7","2","1") = "8"
    & skf18("4","9","7","4","7","3","1") = "8"
    & skf18("4","9","7","4","7","4","1") = "8"
    & skf18("4","9","7","4","7","5","1") = "8"
    & skf18("4","9","7","4","7","6","1") = "8"
    & skf18("4","9","7","4","7","7","1") = "8"
    & skf18("4","9","7","4","7","8","1") = "8"
    & skf18("4","9","7","4","7","9","1") = "8"
    & skf18("4","9","7","4","7","10","1") = "9"
    & skf18("4","9","7","4","8","1","1") = "8"
    & skf18("4","9","7","4","8","2","1") = "8"
    & skf18("4","9","7","4","8","3","1") = "8"
    & skf18("4","9","7","4","8","4","1") = "8"
    & skf18("4","9","7","4","8","5","1") = "8"
    & skf18("4","9","7","4","8","6","1") = "8"
    & skf18("4","9","7","4","8","7","1") = "8"
    & skf18("4","9","7","4","8","8","1") = "8"
    & skf18("4","9","7","4","8","9","1") = "8"
    & skf18("4","9","7","4","8","10","1") = "9"
    & skf18("4","9","7","4","9","1","1") = "8"
    & skf18("4","9","7","4","9","2","1") = "8"
    & skf18("4","9","7","4","9","3","1") = "8"
    & skf18("4","9","7","4","9","4","1") = "8"
    & skf18("4","9","7","4","9","5","1") = "8"
    & skf18("4","9","7","4","9","6","1") = "8"
    & skf18("4","9","7","4","9","7","1") = "8"
    & skf18("4","9","7","4","9","8","1") = "8"
    & skf18("4","9","7","4","9","9","1") = "8"
    & skf18("4","9","7","4","9","10","1") = "9"
    & skf18("4","9","7","4","10","1","1") = "9"
    & skf18("4","9","7","4","10","2","1") = "9"
    & skf18("4","9","7","4","10","3","1") = "9"
    & skf18("4","9","7","4","10","4","1") = "9"
    & skf18("4","9","7","4","10","5","1") = "9"
    & skf18("4","9","7","4","10","6","1") = "9"
    & skf18("4","9","7","4","10","7","1") = "9"
    & skf18("4","9","7","4","10","8","1") = "9"
    & skf18("4","9","7","4","10","9","1") = "9"
    & skf18("4","9","7","4","10","10","1") = "9"
    & skf18("4","9","7","5","1","1","1") = "8"
    & skf18("4","9","7","5","1","2","1") = "8"
    & skf18("4","9","7","5","1","3","1") = "8"
    & skf18("4","9","7","5","1","4","1") = "8"
    & skf18("4","9","7","5","1","5","1") = "8"
    & skf18("4","9","7","5","1","6","1") = "8"
    & skf18("4","9","7","5","1","7","1") = "8"
    & skf18("4","9","7","5","1","8","1") = "8"
    & skf18("4","9","7","5","1","9","1") = "8"
    & skf18("4","9","7","5","1","10","1") = "9"
    & skf18("4","9","7","5","2","1","1") = "8"
    & skf18("4","9","7","5","2","2","1") = "8"
    & skf18("4","9","7","5","2","3","1") = "8"
    & skf18("4","9","7","5","2","4","1") = "8"
    & skf18("4","9","7","5","2","5","1") = "8"
    & skf18("4","9","7","5","2","6","1") = "8"
    & skf18("4","9","7","5","2","7","1") = "8"
    & skf18("4","9","7","5","2","8","1") = "8"
    & skf18("4","9","7","5","2","9","1") = "8"
    & skf18("4","9","7","5","2","10","1") = "9"
    & skf18("4","9","7","5","3","1","1") = "8"
    & skf18("4","9","7","5","3","2","1") = "8"
    & skf18("4","9","7","5","3","3","1") = "8"
    & skf18("4","9","7","5","3","4","1") = "8"
    & skf18("4","9","7","5","3","5","1") = "8"
    & skf18("4","9","7","5","3","6","1") = "8"
    & skf18("4","9","7","5","3","7","1") = "8"
    & skf18("4","9","7","5","3","8","1") = "8"
    & skf18("4","9","7","5","3","9","1") = "8"
    & skf18("4","9","7","5","3","10","1") = "9"
    & skf18("4","9","7","5","4","1","1") = "8"
    & skf18("4","9","7","5","4","2","1") = "8"
    & skf18("4","9","7","5","4","3","1") = "8"
    & skf18("4","9","7","5","4","4","1") = "8"
    & skf18("4","9","7","5","4","5","1") = "8"
    & skf18("4","9","7","5","4","6","1") = "8"
    & skf18("4","9","7","5","4","7","1") = "8"
    & skf18("4","9","7","5","4","8","1") = "8"
    & skf18("4","9","7","5","4","9","1") = "8"
    & skf18("4","9","7","5","4","10","1") = "9"
    & skf18("4","9","7","5","5","1","1") = "8"
    & skf18("4","9","7","5","5","2","1") = "8"
    & skf18("4","9","7","5","5","3","1") = "8"
    & skf18("4","9","7","5","5","4","1") = "8"
    & skf18("4","9","7","5","5","5","1") = "8"
    & skf18("4","9","7","5","5","6","1") = "8"
    & skf18("4","9","7","5","5","7","1") = "8"
    & skf18("4","9","7","5","5","8","1") = "8"
    & skf18("4","9","7","5","5","9","1") = "8"
    & skf18("4","9","7","5","5","10","1") = "9"
    & skf18("4","9","7","5","6","1","1") = "8"
    & skf18("4","9","7","5","6","2","1") = "8"
    & skf18("4","9","7","5","6","3","1") = "8"
    & skf18("4","9","7","5","6","4","1") = "8"
    & skf18("4","9","7","5","6","5","1") = "8"
    & skf18("4","9","7","5","6","6","1") = "8"
    & skf18("4","9","7","5","6","7","1") = "8"
    & skf18("4","9","7","5","6","8","1") = "8"
    & skf18("4","9","7","5","6","9","1") = "8"
    & skf18("4","9","7","5","6","10","1") = "9"
    & skf18("4","9","7","5","7","1","1") = "8"
    & skf18("4","9","7","5","7","2","1") = "8"
    & skf18("4","9","7","5","7","3","1") = "8"
    & skf18("4","9","7","5","7","4","1") = "8"
    & skf18("4","9","7","5","7","5","1") = "8"
    & skf18("4","9","7","5","7","6","1") = "8"
    & skf18("4","9","7","5","7","7","1") = "8"
    & skf18("4","9","7","5","7","8","1") = "8"
    & skf18("4","9","7","5","7","9","1") = "8"
    & skf18("4","9","7","5","7","10","1") = "9"
    & skf18("4","9","7","5","8","1","1") = "8"
    & skf18("4","9","7","5","8","2","1") = "8"
    & skf18("4","9","7","5","8","3","1") = "8"
    & skf18("4","9","7","5","8","4","1") = "8"
    & skf18("4","9","7","5","8","5","1") = "8"
    & skf18("4","9","7","5","8","6","1") = "8"
    & skf18("4","9","7","5","8","7","1") = "8"
    & skf18("4","9","7","5","8","8","1") = "8"
    & skf18("4","9","7","5","8","9","1") = "8"
    & skf18("4","9","7","5","8","10","1") = "9"
    & skf18("4","9","7","5","9","1","1") = "8"
    & skf18("4","9","7","5","9","2","1") = "8"
    & skf18("4","9","7","5","9","3","1") = "8"
    & skf18("4","9","7","5","9","4","1") = "8"
    & skf18("4","9","7","5","9","5","1") = "8"
    & skf18("4","9","7","5","9","6","1") = "8"
    & skf18("4","9","7","5","9","7","1") = "8"
    & skf18("4","9","7","5","9","8","1") = "8"
    & skf18("4","9","7","5","9","9","1") = "8"
    & skf18("4","9","7","5","9","10","1") = "9"
    & skf18("4","9","7","5","10","1","1") = "9"
    & skf18("4","9","7","5","10","2","1") = "9"
    & skf18("4","9","7","5","10","3","1") = "9"
    & skf18("4","9","7","5","10","4","1") = "9"
    & skf18("4","9","7","5","10","5","1") = "9"
    & skf18("4","9","7","5","10","6","1") = "9"
    & skf18("4","9","7","5","10","7","1") = "9"
    & skf18("4","9","7","5","10","8","1") = "9"
    & skf18("4","9","7","5","10","9","1") = "9"
    & skf18("4","9","7","5","10","10","1") = "9"
    & skf18("4","9","7","6","1","1","1") = "8"
    & skf18("4","9","7","6","1","2","1") = "8"
    & skf18("4","9","7","6","1","3","1") = "8"
    & skf18("4","9","7","6","1","4","1") = "8"
    & skf18("4","9","7","6","1","5","1") = "8"
    & skf18("4","9","7","6","1","6","1") = "8"
    & skf18("4","9","7","6","1","7","1") = "8"
    & skf18("4","9","7","6","1","8","1") = "8"
    & skf18("4","9","7","6","1","9","1") = "8"
    & skf18("4","9","7","6","1","10","1") = "9"
    & skf18("4","9","7","6","2","1","1") = "8"
    & skf18("4","9","7","6","2","2","1") = "8"
    & skf18("4","9","7","6","2","3","1") = "8"
    & skf18("4","9","7","6","2","4","1") = "8"
    & skf18("4","9","7","6","2","5","1") = "8"
    & skf18("4","9","7","6","2","6","1") = "8"
    & skf18("4","9","7","6","2","7","1") = "8"
    & skf18("4","9","7","6","2","8","1") = "8"
    & skf18("4","9","7","6","2","9","1") = "8"
    & skf18("4","9","7","6","2","10","1") = "9"
    & skf18("4","9","7","6","3","1","1") = "8"
    & skf18("4","9","7","6","3","2","1") = "8"
    & skf18("4","9","7","6","3","3","1") = "8"
    & skf18("4","9","7","6","3","4","1") = "8"
    & skf18("4","9","7","6","3","5","1") = "8"
    & skf18("4","9","7","6","3","6","1") = "8"
    & skf18("4","9","7","6","3","7","1") = "8"
    & skf18("4","9","7","6","3","8","1") = "8"
    & skf18("4","9","7","6","3","9","1") = "8"
    & skf18("4","9","7","6","3","10","1") = "9"
    & skf18("4","9","7","6","4","1","1") = "8"
    & skf18("4","9","7","6","4","2","1") = "8"
    & skf18("4","9","7","6","4","3","1") = "8"
    & skf18("4","9","7","6","4","4","1") = "8"
    & skf18("4","9","7","6","4","5","1") = "8"
    & skf18("4","9","7","6","4","6","1") = "8"
    & skf18("4","9","7","6","4","7","1") = "8"
    & skf18("4","9","7","6","4","8","1") = "8"
    & skf18("4","9","7","6","4","9","1") = "8"
    & skf18("4","9","7","6","4","10","1") = "9"
    & skf18("4","9","7","6","5","1","1") = "8"
    & skf18("4","9","7","6","5","2","1") = "8"
    & skf18("4","9","7","6","5","3","1") = "8"
    & skf18("4","9","7","6","5","4","1") = "8"
    & skf18("4","9","7","6","5","5","1") = "8"
    & skf18("4","9","7","6","5","6","1") = "8"
    & skf18("4","9","7","6","5","7","1") = "8"
    & skf18("4","9","7","6","5","8","1") = "8"
    & skf18("4","9","7","6","5","9","1") = "8"
    & skf18("4","9","7","6","5","10","1") = "9"
    & skf18("4","9","7","6","6","1","1") = "8"
    & skf18("4","9","7","6","6","2","1") = "8"
    & skf18("4","9","7","6","6","3","1") = "8"
    & skf18("4","9","7","6","6","4","1") = "8"
    & skf18("4","9","7","6","6","5","1") = "8"
    & skf18("4","9","7","6","6","6","1") = "8"
    & skf18("4","9","7","6","6","7","1") = "8"
    & skf18("4","9","7","6","6","8","1") = "8"
    & skf18("4","9","7","6","6","9","1") = "8"
    & skf18("4","9","7","6","6","10","1") = "9"
    & skf18("4","9","7","6","7","1","1") = "8"
    & skf18("4","9","7","6","7","2","1") = "8"
    & skf18("4","9","7","6","7","3","1") = "8"
    & skf18("4","9","7","6","7","4","1") = "8"
    & skf18("4","9","7","6","7","5","1") = "8"
    & skf18("4","9","7","6","7","6","1") = "8"
    & skf18("4","9","7","6","7","7","1") = "8"
    & skf18("4","9","7","6","7","8","1") = "8"
    & skf18("4","9","7","6","7","9","1") = "8"
    & skf18("4","9","7","6","7","10","1") = "9"
    & skf18("4","9","7","6","8","1","1") = "8"
    & skf18("4","9","7","6","8","2","1") = "8"
    & skf18("4","9","7","6","8","3","1") = "8"
    & skf18("4","9","7","6","8","4","1") = "8"
    & skf18("4","9","7","6","8","5","1") = "8"
    & skf18("4","9","7","6","8","6","1") = "8"
    & skf18("4","9","7","6","8","7","1") = "8"
    & skf18("4","9","7","6","8","8","1") = "8"
    & skf18("4","9","7","6","8","9","1") = "8"
    & skf18("4","9","7","6","8","10","1") = "9"
    & skf18("4","9","7","6","9","1","1") = "8"
    & skf18("4","9","7","6","9","2","1") = "8"
    & skf18("4","9","7","6","9","3","1") = "8"
    & skf18("4","9","7","6","9","4","1") = "8"
    & skf18("4","9","7","6","9","5","1") = "8"
    & skf18("4","9","7","6","9","6","1") = "8"
    & skf18("4","9","7","6","9","7","1") = "8"
    & skf18("4","9","7","6","9","8","1") = "8"
    & skf18("4","9","7","6","9","9","1") = "8"
    & skf18("4","9","7","6","9","10","1") = "9"
    & skf18("4","9","7","6","10","1","1") = "9"
    & skf18("4","9","7","6","10","2","1") = "9"
    & skf18("4","9","7","6","10","3","1") = "9"
    & skf18("4","9","7","6","10","4","1") = "9"
    & skf18("4","9","7","6","10","5","1") = "9"
    & skf18("4","9","7","6","10","6","1") = "9"
    & skf18("4","9","7","6","10","7","1") = "9"
    & skf18("4","9","7","6","10","8","1") = "9"
    & skf18("4","9","7","6","10","9","1") = "9"
    & skf18("4","9","7","6","10","10","1") = "9"
    & skf18("4","9","7","7","1","1","1") = "8"
    & skf18("4","9","7","7","1","2","1") = "8"
    & skf18("4","9","7","7","1","3","1") = "8"
    & skf18("4","9","7","7","1","4","1") = "8"
    & skf18("4","9","7","7","1","5","1") = "8"
    & skf18("4","9","7","7","1","6","1") = "8"
    & skf18("4","9","7","7","1","7","1") = "8"
    & skf18("4","9","7","7","1","8","1") = "8"
    & skf18("4","9","7","7","1","9","1") = "8"
    & skf18("4","9","7","7","1","10","1") = "9"
    & skf18("4","9","7","7","2","1","1") = "8"
    & skf18("4","9","7","7","2","2","1") = "8"
    & skf18("4","9","7","7","2","3","1") = "8"
    & skf18("4","9","7","7","2","4","1") = "8"
    & skf18("4","9","7","7","2","5","1") = "8"
    & skf18("4","9","7","7","2","6","1") = "8"
    & skf18("4","9","7","7","2","7","1") = "8"
    & skf18("4","9","7","7","2","8","1") = "8"
    & skf18("4","9","7","7","2","9","1") = "8"
    & skf18("4","9","7","7","2","10","1") = "9"
    & skf18("4","9","7","7","3","1","1") = "8"
    & skf18("4","9","7","7","3","2","1") = "8"
    & skf18("4","9","7","7","3","3","1") = "8"
    & skf18("4","9","7","7","3","4","1") = "8"
    & skf18("4","9","7","7","3","5","1") = "8"
    & skf18("4","9","7","7","3","6","1") = "8"
    & skf18("4","9","7","7","3","7","1") = "8"
    & skf18("4","9","7","7","3","8","1") = "8"
    & skf18("4","9","7","7","3","9","1") = "8"
    & skf18("4","9","7","7","3","10","1") = "9"
    & skf18("4","9","7","7","4","1","1") = "8"
    & skf18("4","9","7","7","4","2","1") = "8"
    & skf18("4","9","7","7","4","3","1") = "8"
    & skf18("4","9","7","7","4","4","1") = "8"
    & skf18("4","9","7","7","4","5","1") = "8"
    & skf18("4","9","7","7","4","6","1") = "8"
    & skf18("4","9","7","7","4","7","1") = "8"
    & skf18("4","9","7","7","4","8","1") = "8"
    & skf18("4","9","7","7","4","9","1") = "8"
    & skf18("4","9","7","7","4","10","1") = "9"
    & skf18("4","9","7","7","5","1","1") = "8"
    & skf18("4","9","7","7","5","2","1") = "8"
    & skf18("4","9","7","7","5","3","1") = "8"
    & skf18("4","9","7","7","5","4","1") = "8"
    & skf18("4","9","7","7","5","5","1") = "8"
    & skf18("4","9","7","7","5","6","1") = "8"
    & skf18("4","9","7","7","5","7","1") = "8"
    & skf18("4","9","7","7","5","8","1") = "8"
    & skf18("4","9","7","7","5","9","1") = "8"
    & skf18("4","9","7","7","5","10","1") = "9"
    & skf18("4","9","7","7","6","1","1") = "8"
    & skf18("4","9","7","7","6","2","1") = "8"
    & skf18("4","9","7","7","6","3","1") = "8"
    & skf18("4","9","7","7","6","4","1") = "8"
    & skf18("4","9","7","7","6","5","1") = "8"
    & skf18("4","9","7","7","6","6","1") = "8"
    & skf18("4","9","7","7","6","7","1") = "8"
    & skf18("4","9","7","7","6","8","1") = "8"
    & skf18("4","9","7","7","6","9","1") = "8"
    & skf18("4","9","7","7","6","10","1") = "9"
    & skf18("4","9","7","7","7","1","1") = "8"
    & skf18("4","9","7","7","7","2","1") = "8"
    & skf18("4","9","7","7","7","3","1") = "8"
    & skf18("4","9","7","7","7","4","1") = "8"
    & skf18("4","9","7","7","7","5","1") = "8"
    & skf18("4","9","7","7","7","6","1") = "8"
    & skf18("4","9","7","7","7","7","1") = "8"
    & skf18("4","9","7","7","7","8","1") = "8"
    & skf18("4","9","7","7","7","9","1") = "8"
    & skf18("4","9","7","7","7","10","1") = "9"
    & skf18("4","9","7","7","8","1","1") = "8"
    & skf18("4","9","7","7","8","2","1") = "8"
    & skf18("4","9","7","7","8","3","1") = "8"
    & skf18("4","9","7","7","8","4","1") = "8"
    & skf18("4","9","7","7","8","5","1") = "8"
    & skf18("4","9","7","7","8","6","1") = "8"
    & skf18("4","9","7","7","8","7","1") = "8"
    & skf18("4","9","7","7","8","8","1") = "8"
    & skf18("4","9","7","7","8","9","1") = "8"
    & skf18("4","9","7","7","8","10","1") = "9"
    & skf18("4","9","7","7","9","1","1") = "8"
    & skf18("4","9","7","7","9","2","1") = "8"
    & skf18("4","9","7","7","9","3","1") = "8"
    & skf18("4","9","7","7","9","4","1") = "8"
    & skf18("4","9","7","7","9","5","1") = "8"
    & skf18("4","9","7","7","9","6","1") = "8"
    & skf18("4","9","7","7","9","7","1") = "8"
    & skf18("4","9","7","7","9","8","1") = "8"
    & skf18("4","9","7","7","9","9","1") = "8"
    & skf18("4","9","7","7","9","10","1") = "9"
    & skf18("4","9","7","7","10","1","1") = "9"
    & skf18("4","9","7","7","10","2","1") = "9"
    & skf18("4","9","7","7","10","3","1") = "9"
    & skf18("4","9","7","7","10","4","1") = "9"
    & skf18("4","9","7","7","10","5","1") = "9"
    & skf18("4","9","7","7","10","6","1") = "9"
    & skf18("4","9","7","7","10","7","1") = "9"
    & skf18("4","9","7","7","10","8","1") = "9"
    & skf18("4","9","7","7","10","9","1") = "9"
    & skf18("4","9","7","7","10","10","1") = "9"
    & skf18("4","9","7","8","1","1","1") = "8"
    & skf18("4","9","7","8","1","2","1") = "8"
    & skf18("4","9","7","8","1","3","1") = "8"
    & skf18("4","9","7","8","1","4","1") = "8"
    & skf18("4","9","7","8","1","5","1") = "8"
    & skf18("4","9","7","8","1","6","1") = "8"
    & skf18("4","9","7","8","1","7","1") = "8"
    & skf18("4","9","7","8","1","8","1") = "8"
    & skf18("4","9","7","8","1","9","1") = "8"
    & skf18("4","9","7","8","1","10","1") = "9"
    & skf18("4","9","7","8","2","1","1") = "8"
    & skf18("4","9","7","8","2","2","1") = "8"
    & skf18("4","9","7","8","2","3","1") = "8"
    & skf18("4","9","7","8","2","4","1") = "8"
    & skf18("4","9","7","8","2","5","1") = "8"
    & skf18("4","9","7","8","2","6","1") = "8"
    & skf18("4","9","7","8","2","7","1") = "8"
    & skf18("4","9","7","8","2","8","1") = "8"
    & skf18("4","9","7","8","2","9","1") = "8"
    & skf18("4","9","7","8","2","10","1") = "9"
    & skf18("4","9","7","8","3","1","1") = "8"
    & skf18("4","9","7","8","3","2","1") = "8"
    & skf18("4","9","7","8","3","3","1") = "8"
    & skf18("4","9","7","8","3","4","1") = "8"
    & skf18("4","9","7","8","3","5","1") = "8"
    & skf18("4","9","7","8","3","6","1") = "8"
    & skf18("4","9","7","8","3","7","1") = "8"
    & skf18("4","9","7","8","3","8","1") = "8"
    & skf18("4","9","7","8","3","9","1") = "8"
    & skf18("4","9","7","8","3","10","1") = "9"
    & skf18("4","9","7","8","4","1","1") = "8"
    & skf18("4","9","7","8","4","2","1") = "8"
    & skf18("4","9","7","8","4","3","1") = "8"
    & skf18("4","9","7","8","4","4","1") = "8"
    & skf18("4","9","7","8","4","5","1") = "8"
    & skf18("4","9","7","8","4","6","1") = "8"
    & skf18("4","9","7","8","4","7","1") = "8"
    & skf18("4","9","7","8","4","8","1") = "8"
    & skf18("4","9","7","8","4","9","1") = "8"
    & skf18("4","9","7","8","4","10","1") = "9"
    & skf18("4","9","7","8","5","1","1") = "8"
    & skf18("4","9","7","8","5","2","1") = "8"
    & skf18("4","9","7","8","5","3","1") = "8"
    & skf18("4","9","7","8","5","4","1") = "8"
    & skf18("4","9","7","8","5","5","1") = "8"
    & skf18("4","9","7","8","5","6","1") = "8"
    & skf18("4","9","7","8","5","7","1") = "8"
    & skf18("4","9","7","8","5","8","1") = "8"
    & skf18("4","9","7","8","5","9","1") = "8"
    & skf18("4","9","7","8","5","10","1") = "9"
    & skf18("4","9","7","8","6","1","1") = "8"
    & skf18("4","9","7","8","6","2","1") = "8"
    & skf18("4","9","7","8","6","3","1") = "8"
    & skf18("4","9","7","8","6","4","1") = "8"
    & skf18("4","9","7","8","6","5","1") = "8"
    & skf18("4","9","7","8","6","6","1") = "8"
    & skf18("4","9","7","8","6","7","1") = "8"
    & skf18("4","9","7","8","6","8","1") = "8"
    & skf18("4","9","7","8","6","9","1") = "8"
    & skf18("4","9","7","8","6","10","1") = "9"
    & skf18("4","9","7","8","7","1","1") = "8"
    & skf18("4","9","7","8","7","2","1") = "8"
    & skf18("4","9","7","8","7","3","1") = "8"
    & skf18("4","9","7","8","7","4","1") = "8"
    & skf18("4","9","7","8","7","5","1") = "8"
    & skf18("4","9","7","8","7","6","1") = "8"
    & skf18("4","9","7","8","7","7","1") = "8"
    & skf18("4","9","7","8","7","8","1") = "8"
    & skf18("4","9","7","8","7","9","1") = "8"
    & skf18("4","9","7","8","7","10","1") = "9"
    & skf18("4","9","7","8","8","1","1") = "8"
    & skf18("4","9","7","8","8","2","1") = "8"
    & skf18("4","9","7","8","8","3","1") = "8"
    & skf18("4","9","7","8","8","4","1") = "8"
    & skf18("4","9","7","8","8","5","1") = "8"
    & skf18("4","9","7","8","8","6","1") = "8"
    & skf18("4","9","7","8","8","7","1") = "8"
    & skf18("4","9","7","8","8","8","1") = "8"
    & skf18("4","9","7","8","8","9","1") = "8"
    & skf18("4","9","7","8","8","10","1") = "9"
    & skf18("4","9","7","8","9","1","1") = "8"
    & skf18("4","9","7","8","9","2","1") = "8"
    & skf18("4","9","7","8","9","3","1") = "8"
    & skf18("4","9","7","8","9","4","1") = "8"
    & skf18("4","9","7","8","9","5","1") = "8"
    & skf18("4","9","7","8","9","6","1") = "8"
    & skf18("4","9","7","8","9","7","1") = "8"
    & skf18("4","9","7","8","9","8","1") = "8"
    & skf18("4","9","7","8","9","9","1") = "8"
    & skf18("4","9","7","8","9","10","1") = "9"
    & skf18("4","9","7","8","10","1","1") = "9"
    & skf18("4","9","7","8","10","2","1") = "9"
    & skf18("4","9","7","8","10","3","1") = "9"
    & skf18("4","9","7","8","10","4","1") = "9"
    & skf18("4","9","7","8","10","5","1") = "9"
    & skf18("4","9","7","8","10","6","1") = "9"
    & skf18("4","9","7","8","10","7","1") = "9"
    & skf18("4","9","7","8","10","8","1") = "9"
    & skf18("4","9","7","8","10","9","1") = "9"
    & skf18("4","9","7","8","10","10","1") = "9"
    & skf18("4","9","7","9","1","1","1") = "8"
    & skf18("4","9","7","9","1","2","1") = "8"
    & skf18("4","9","7","9","1","3","1") = "8"
    & skf18("4","9","7","9","1","4","1") = "8"
    & skf18("4","9","7","9","1","5","1") = "8"
    & skf18("4","9","7","9","1","6","1") = "8"
    & skf18("4","9","7","9","1","7","1") = "8"
    & skf18("4","9","7","9","1","8","1") = "8"
    & skf18("4","9","7","9","1","9","1") = "8"
    & skf18("4","9","7","9","1","10","1") = "9"
    & skf18("4","9","7","9","2","1","1") = "8"
    & skf18("4","9","7","9","2","2","1") = "8"
    & skf18("4","9","7","9","2","3","1") = "8"
    & skf18("4","9","7","9","2","4","1") = "8"
    & skf18("4","9","7","9","2","5","1") = "8"
    & skf18("4","9","7","9","2","6","1") = "8"
    & skf18("4","9","7","9","2","7","1") = "8"
    & skf18("4","9","7","9","2","8","1") = "8"
    & skf18("4","9","7","9","2","9","1") = "8"
    & skf18("4","9","7","9","2","10","1") = "9"
    & skf18("4","9","7","9","3","1","1") = "8"
    & skf18("4","9","7","9","3","2","1") = "8"
    & skf18("4","9","7","9","3","3","1") = "8"
    & skf18("4","9","7","9","3","4","1") = "8"
    & skf18("4","9","7","9","3","5","1") = "8"
    & skf18("4","9","7","9","3","6","1") = "8"
    & skf18("4","9","7","9","3","7","1") = "8"
    & skf18("4","9","7","9","3","8","1") = "8"
    & skf18("4","9","7","9","3","9","1") = "8"
    & skf18("4","9","7","9","3","10","1") = "9"
    & skf18("4","9","7","9","4","1","1") = "8"
    & skf18("4","9","7","9","4","2","1") = "8"
    & skf18("4","9","7","9","4","3","1") = "8"
    & skf18("4","9","7","9","4","4","1") = "8"
    & skf18("4","9","7","9","4","5","1") = "8"
    & skf18("4","9","7","9","4","6","1") = "8"
    & skf18("4","9","7","9","4","7","1") = "8"
    & skf18("4","9","7","9","4","8","1") = "8"
    & skf18("4","9","7","9","4","9","1") = "8"
    & skf18("4","9","7","9","4","10","1") = "9"
    & skf18("4","9","7","9","5","1","1") = "8"
    & skf18("4","9","7","9","5","2","1") = "8"
    & skf18("4","9","7","9","5","3","1") = "8"
    & skf18("4","9","7","9","5","4","1") = "8"
    & skf18("4","9","7","9","5","5","1") = "8"
    & skf18("4","9","7","9","5","6","1") = "8"
    & skf18("4","9","7","9","5","7","1") = "8"
    & skf18("4","9","7","9","5","8","1") = "8"
    & skf18("4","9","7","9","5","9","1") = "8"
    & skf18("4","9","7","9","5","10","1") = "9"
    & skf18("4","9","7","9","6","1","1") = "8"
    & skf18("4","9","7","9","6","2","1") = "8"
    & skf18("4","9","7","9","6","3","1") = "8"
    & skf18("4","9","7","9","6","4","1") = "8"
    & skf18("4","9","7","9","6","5","1") = "8"
    & skf18("4","9","7","9","6","6","1") = "8"
    & skf18("4","9","7","9","6","7","1") = "8"
    & skf18("4","9","7","9","6","8","1") = "8"
    & skf18("4","9","7","9","6","9","1") = "8"
    & skf18("4","9","7","9","6","10","1") = "9"
    & skf18("4","9","7","9","7","1","1") = "8"
    & skf18("4","9","7","9","7","2","1") = "8"
    & skf18("4","9","7","9","7","3","1") = "8"
    & skf18("4","9","7","9","7","4","1") = "8"
    & skf18("4","9","7","9","7","5","1") = "8"
    & skf18("4","9","7","9","7","6","1") = "8"
    & skf18("4","9","7","9","7","7","1") = "8"
    & skf18("4","9","7","9","7","8","1") = "8"
    & skf18("4","9","7","9","7","9","1") = "8"
    & skf18("4","9","7","9","7","10","1") = "9"
    & skf18("4","9","7","9","8","1","1") = "8"
    & skf18("4","9","7","9","8","2","1") = "8"
    & skf18("4","9","7","9","8","3","1") = "8"
    & skf18("4","9","7","9","8","4","1") = "8"
    & skf18("4","9","7","9","8","5","1") = "8"
    & skf18("4","9","7","9","8","6","1") = "8"
    & skf18("4","9","7","9","8","7","1") = "8"
    & skf18("4","9","7","9","8","8","1") = "8"
    & skf18("4","9","7","9","8","9","1") = "8"
    & skf18("4","9","7","9","8","10","1") = "9"
    & skf18("4","9","7","9","9","1","1") = "8"
    & skf18("4","9","7","9","9","2","1") = "8"
    & skf18("4","9","7","9","9","3","1") = "8"
    & skf18("4","9","7","9","9","4","1") = "8"
    & skf18("4","9","7","9","9","5","1") = "8"
    & skf18("4","9","7","9","9","6","1") = "8"
    & skf18("4","9","7","9","9","7","1") = "8"
    & skf18("4","9","7","9","9","8","1") = "8"
    & skf18("4","9","7","9","9","9","1") = "8"
    & skf18("4","9","7","9","9","10","1") = "9"
    & skf18("4","9","7","9","10","1","1") = "9"
    & skf18("4","9","7","9","10","2","1") = "9"
    & skf18("4","9","7","9","10","3","1") = "9"
    & skf18("4","9","7","9","10","4","1") = "9"
    & skf18("4","9","7","9","10","5","1") = "9"
    & skf18("4","9","7","9","10","6","1") = "9"
    & skf18("4","9","7","9","10","7","1") = "9"
    & skf18("4","9","7","9","10","8","1") = "9"
    & skf18("4","9","7","9","10","9","1") = "9"
    & skf18("4","9","7","9","10","10","1") = "9"
    & skf18("4","9","7","10","1","1","1") = "9"
    & skf18("4","9","7","10","1","2","1") = "9"
    & skf18("4","9","7","10","1","3","1") = "9"
    & skf18("4","9","7","10","1","4","1") = "9"
    & skf18("4","9","7","10","1","5","1") = "9"
    & skf18("4","9","7","10","1","6","1") = "9"
    & skf18("4","9","7","10","1","7","1") = "9"
    & skf18("4","9","7","10","1","8","1") = "9"
    & skf18("4","9","7","10","1","9","1") = "9"
    & skf18("4","9","7","10","1","10","1") = "9"
    & skf18("4","9","7","10","2","1","1") = "9"
    & skf18("4","9","7","10","2","2","1") = "9"
    & skf18("4","9","7","10","2","3","1") = "9"
    & skf18("4","9","7","10","2","4","1") = "9"
    & skf18("4","9","7","10","2","5","1") = "9"
    & skf18("4","9","7","10","2","6","1") = "9"
    & skf18("4","9","7","10","2","7","1") = "9"
    & skf18("4","9","7","10","2","8","1") = "9"
    & skf18("4","9","7","10","2","9","1") = "9"
    & skf18("4","9","7","10","2","10","1") = "9"
    & skf18("4","9","7","10","3","1","1") = "9"
    & skf18("4","9","7","10","3","2","1") = "9"
    & skf18("4","9","7","10","3","3","1") = "9"
    & skf18("4","9","7","10","3","4","1") = "9"
    & skf18("4","9","7","10","3","5","1") = "9"
    & skf18("4","9","7","10","3","6","1") = "9"
    & skf18("4","9","7","10","3","7","1") = "9"
    & skf18("4","9","7","10","3","8","1") = "9"
    & skf18("4","9","7","10","3","9","1") = "9"
    & skf18("4","9","7","10","3","10","1") = "9"
    & skf18("4","9","7","10","4","1","1") = "9"
    & skf18("4","9","7","10","4","2","1") = "9"
    & skf18("4","9","7","10","4","3","1") = "9"
    & skf18("4","9","7","10","4","4","1") = "9"
    & skf18("4","9","7","10","4","5","1") = "9"
    & skf18("4","9","7","10","4","6","1") = "9"
    & skf18("4","9","7","10","4","7","1") = "9"
    & skf18("4","9","7","10","4","8","1") = "9"
    & skf18("4","9","7","10","4","9","1") = "9"
    & skf18("4","9","7","10","4","10","1") = "9"
    & skf18("4","9","7","10","5","1","1") = "9"
    & skf18("4","9","7","10","5","2","1") = "9"
    & skf18("4","9","7","10","5","3","1") = "9"
    & skf18("4","9","7","10","5","4","1") = "9"
    & skf18("4","9","7","10","5","5","1") = "9"
    & skf18("4","9","7","10","5","6","1") = "9"
    & skf18("4","9","7","10","5","7","1") = "9"
    & skf18("4","9","7","10","5","8","1") = "9"
    & skf18("4","9","7","10","5","9","1") = "9"
    & skf18("4","9","7","10","5","10","1") = "9"
    & skf18("4","9","7","10","6","1","1") = "9"
    & skf18("4","9","7","10","6","2","1") = "9"
    & skf18("4","9","7","10","6","3","1") = "9"
    & skf18("4","9","7","10","6","4","1") = "9"
    & skf18("4","9","7","10","6","5","1") = "9"
    & skf18("4","9","7","10","6","6","1") = "9"
    & skf18("4","9","7","10","6","7","1") = "9"
    & skf18("4","9","7","10","6","8","1") = "9"
    & skf18("4","9","7","10","6","9","1") = "9"
    & skf18("4","9","7","10","6","10","1") = "9"
    & skf18("4","9","7","10","7","1","1") = "9"
    & skf18("4","9","7","10","7","2","1") = "9"
    & skf18("4","9","7","10","7","3","1") = "9"
    & skf18("4","9","7","10","7","4","1") = "9"
    & skf18("4","9","7","10","7","5","1") = "9"
    & skf18("4","9","7","10","7","6","1") = "9"
    & skf18("4","9","7","10","7","7","1") = "9"
    & skf18("4","9","7","10","7","8","1") = "9"
    & skf18("4","9","7","10","7","9","1") = "9"
    & skf18("4","9","7","10","7","10","1") = "9"
    & skf18("4","9","7","10","8","1","1") = "9"
    & skf18("4","9","7","10","8","2","1") = "9"
    & skf18("4","9","7","10","8","3","1") = "9"
    & skf18("4","9","7","10","8","4","1") = "9"
    & skf18("4","9","7","10","8","5","1") = "9"
    & skf18("4","9","7","10","8","6","1") = "9"
    & skf18("4","9","7","10","8","7","1") = "9"
    & skf18("4","9","7","10","8","8","1") = "9"
    & skf18("4","9","7","10","8","9","1") = "9"
    & skf18("4","9","7","10","8","10","1") = "9"
    & skf18("4","9","7","10","9","1","1") = "9"
    & skf18("4","9","7","10","9","2","1") = "9"
    & skf18("4","9","7","10","9","3","1") = "9"
    & skf18("4","9","7","10","9","4","1") = "9"
    & skf18("4","9","7","10","9","5","1") = "9"
    & skf18("4","9","7","10","9","6","1") = "9"
    & skf18("4","9","7","10","9","7","1") = "9"
    & skf18("4","9","7","10","9","8","1") = "9"
    & skf18("4","9","7","10","9","9","1") = "9"
    & skf18("4","9","7","10","9","10","1") = "9"
    & skf18("4","9","7","10","10","1","1") = "9"
    & skf18("4","9","7","10","10","2","1") = "9"
    & skf18("4","9","7","10","10","3","1") = "9"
    & skf18("4","9","7","10","10","4","1") = "9"
    & skf18("4","9","7","10","10","5","1") = "9"
    & skf18("4","9","7","10","10","6","1") = "9"
    & skf18("4","9","7","10","10","7","1") = "9"
    & skf18("4","9","7","10","10","8","1") = "9"
    & skf18("4","9","7","10","10","9","1") = "9"
    & skf18("4","9","7","10","10","10","1") = "9"
    & skf18("4","9","8","1","1","1","1") = "8"
    & skf18("4","9","8","1","1","2","1") = "8"
    & skf18("4","9","8","1","1","3","1") = "8"
    & skf18("4","9","8","1","1","4","1") = "8"
    & skf18("4","9","8","1","1","5","1") = "8"
    & skf18("4","9","8","1","1","6","1") = "8"
    & skf18("4","9","8","1","1","7","1") = "8"
    & skf18("4","9","8","1","1","8","1") = "8"
    & skf18("4","9","8","1","1","9","1") = "8"
    & skf18("4","9","8","1","1","10","1") = "9"
    & skf18("4","9","8","1","2","1","1") = "8"
    & skf18("4","9","8","1","2","2","1") = "8"
    & skf18("4","9","8","1","2","3","1") = "8"
    & skf18("4","9","8","1","2","4","1") = "8"
    & skf18("4","9","8","1","2","5","1") = "8"
    & skf18("4","9","8","1","2","6","1") = "8"
    & skf18("4","9","8","1","2","7","1") = "8"
    & skf18("4","9","8","1","2","8","1") = "8"
    & skf18("4","9","8","1","2","9","1") = "8"
    & skf18("4","9","8","1","2","10","1") = "9"
    & skf18("4","9","8","1","3","1","1") = "8"
    & skf18("4","9","8","1","3","2","1") = "8"
    & skf18("4","9","8","1","3","3","1") = "8"
    & skf18("4","9","8","1","3","4","1") = "8"
    & skf18("4","9","8","1","3","5","1") = "8"
    & skf18("4","9","8","1","3","6","1") = "8"
    & skf18("4","9","8","1","3","7","1") = "8"
    & skf18("4","9","8","1","3","8","1") = "8"
    & skf18("4","9","8","1","3","9","1") = "8"
    & skf18("4","9","8","1","3","10","1") = "9"
    & skf18("4","9","8","1","4","1","1") = "8"
    & skf18("4","9","8","1","4","2","1") = "8"
    & skf18("4","9","8","1","4","3","1") = "8"
    & skf18("4","9","8","1","4","4","1") = "8"
    & skf18("4","9","8","1","4","5","1") = "8"
    & skf18("4","9","8","1","4","6","1") = "8"
    & skf18("4","9","8","1","4","7","1") = "8"
    & skf18("4","9","8","1","4","8","1") = "8"
    & skf18("4","9","8","1","4","9","1") = "8"
    & skf18("4","9","8","1","4","10","1") = "9"
    & skf18("4","9","8","1","5","1","1") = "8"
    & skf18("4","9","8","1","5","2","1") = "8"
    & skf18("4","9","8","1","5","3","1") = "8"
    & skf18("4","9","8","1","5","4","1") = "8"
    & skf18("4","9","8","1","5","5","1") = "8"
    & skf18("4","9","8","1","5","6","1") = "8"
    & skf18("4","9","8","1","5","7","1") = "8"
    & skf18("4","9","8","1","5","8","1") = "8"
    & skf18("4","9","8","1","5","9","1") = "8"
    & skf18("4","9","8","1","5","10","1") = "9"
    & skf18("4","9","8","1","6","1","1") = "8"
    & skf18("4","9","8","1","6","2","1") = "8"
    & skf18("4","9","8","1","6","3","1") = "8"
    & skf18("4","9","8","1","6","4","1") = "8"
    & skf18("4","9","8","1","6","5","1") = "8"
    & skf18("4","9","8","1","6","6","1") = "8"
    & skf18("4","9","8","1","6","7","1") = "8"
    & skf18("4","9","8","1","6","8","1") = "8"
    & skf18("4","9","8","1","6","9","1") = "8"
    & skf18("4","9","8","1","6","10","1") = "9"
    & skf18("4","9","8","1","7","1","1") = "8"
    & skf18("4","9","8","1","7","2","1") = "8"
    & skf18("4","9","8","1","7","3","1") = "8"
    & skf18("4","9","8","1","7","4","1") = "8"
    & skf18("4","9","8","1","7","5","1") = "8"
    & skf18("4","9","8","1","7","6","1") = "8"
    & skf18("4","9","8","1","7","7","1") = "8"
    & skf18("4","9","8","1","7","8","1") = "8"
    & skf18("4","9","8","1","7","9","1") = "8"
    & skf18("4","9","8","1","7","10","1") = "9"
    & skf18("4","9","8","1","8","1","1") = "8"
    & skf18("4","9","8","1","8","2","1") = "8"
    & skf18("4","9","8","1","8","3","1") = "8"
    & skf18("4","9","8","1","8","4","1") = "8"
    & skf18("4","9","8","1","8","5","1") = "8"
    & skf18("4","9","8","1","8","6","1") = "8"
    & skf18("4","9","8","1","8","7","1") = "8"
    & skf18("4","9","8","1","8","8","1") = "8"
    & skf18("4","9","8","1","8","9","1") = "8"
    & skf18("4","9","8","1","8","10","1") = "9"
    & skf18("4","9","8","1","9","1","1") = "8"
    & skf18("4","9","8","1","9","2","1") = "8"
    & skf18("4","9","8","1","9","3","1") = "8"
    & skf18("4","9","8","1","9","4","1") = "8"
    & skf18("4","9","8","1","9","5","1") = "8"
    & skf18("4","9","8","1","9","6","1") = "8"
    & skf18("4","9","8","1","9","7","1") = "8"
    & skf18("4","9","8","1","9","8","1") = "8"
    & skf18("4","9","8","1","9","9","1") = "8"
    & skf18("4","9","8","1","9","10","1") = "9"
    & skf18("4","9","8","1","10","1","1") = "9"
    & skf18("4","9","8","1","10","2","1") = "9"
    & skf18("4","9","8","1","10","3","1") = "9"
    & skf18("4","9","8","1","10","4","1") = "9"
    & skf18("4","9","8","1","10","5","1") = "9"
    & skf18("4","9","8","1","10","6","1") = "9"
    & skf18("4","9","8","1","10","7","1") = "9"
    & skf18("4","9","8","1","10","8","1") = "9"
    & skf18("4","9","8","1","10","9","1") = "9"
    & skf18("4","9","8","1","10","10","1") = "9"
    & skf18("4","9","8","2","1","1","1") = "8"
    & skf18("4","9","8","2","1","2","1") = "8"
    & skf18("4","9","8","2","1","3","1") = "8"
    & skf18("4","9","8","2","1","4","1") = "8"
    & skf18("4","9","8","2","1","5","1") = "8"
    & skf18("4","9","8","2","1","6","1") = "8"
    & skf18("4","9","8","2","1","7","1") = "8"
    & skf18("4","9","8","2","1","8","1") = "8"
    & skf18("4","9","8","2","1","9","1") = "8"
    & skf18("4","9","8","2","1","10","1") = "9"
    & skf18("4","9","8","2","2","1","1") = "8"
    & skf18("4","9","8","2","2","2","1") = "8"
    & skf18("4","9","8","2","2","3","1") = "8"
    & skf18("4","9","8","2","2","4","1") = "8"
    & skf18("4","9","8","2","2","5","1") = "8"
    & skf18("4","9","8","2","2","6","1") = "8"
    & skf18("4","9","8","2","2","7","1") = "8"
    & skf18("4","9","8","2","2","8","1") = "8"
    & skf18("4","9","8","2","2","9","1") = "8"
    & skf18("4","9","8","2","2","10","1") = "9"
    & skf18("4","9","8","2","3","1","1") = "8"
    & skf18("4","9","8","2","3","2","1") = "8"
    & skf18("4","9","8","2","3","3","1") = "8"
    & skf18("4","9","8","2","3","4","1") = "8"
    & skf18("4","9","8","2","3","5","1") = "8"
    & skf18("4","9","8","2","3","6","1") = "8"
    & skf18("4","9","8","2","3","7","1") = "8"
    & skf18("4","9","8","2","3","8","1") = "8"
    & skf18("4","9","8","2","3","9","1") = "8"
    & skf18("4","9","8","2","3","10","1") = "9"
    & skf18("4","9","8","2","4","1","1") = "8"
    & skf18("4","9","8","2","4","2","1") = "8"
    & skf18("4","9","8","2","4","3","1") = "8"
    & skf18("4","9","8","2","4","4","1") = "8"
    & skf18("4","9","8","2","4","5","1") = "8"
    & skf18("4","9","8","2","4","6","1") = "8"
    & skf18("4","9","8","2","4","7","1") = "8"
    & skf18("4","9","8","2","4","8","1") = "8"
    & skf18("4","9","8","2","4","9","1") = "8"
    & skf18("4","9","8","2","4","10","1") = "9"
    & skf18("4","9","8","2","5","1","1") = "8"
    & skf18("4","9","8","2","5","2","1") = "8"
    & skf18("4","9","8","2","5","3","1") = "8"
    & skf18("4","9","8","2","5","4","1") = "8"
    & skf18("4","9","8","2","5","5","1") = "8"
    & skf18("4","9","8","2","5","6","1") = "8"
    & skf18("4","9","8","2","5","7","1") = "8"
    & skf18("4","9","8","2","5","8","1") = "8"
    & skf18("4","9","8","2","5","9","1") = "8"
    & skf18("4","9","8","2","5","10","1") = "9"
    & skf18("4","9","8","2","6","1","1") = "8"
    & skf18("4","9","8","2","6","2","1") = "8"
    & skf18("4","9","8","2","6","3","1") = "8"
    & skf18("4","9","8","2","6","4","1") = "8"
    & skf18("4","9","8","2","6","5","1") = "8"
    & skf18("4","9","8","2","6","6","1") = "8"
    & skf18("4","9","8","2","6","7","1") = "8"
    & skf18("4","9","8","2","6","8","1") = "8"
    & skf18("4","9","8","2","6","9","1") = "8"
    & skf18("4","9","8","2","6","10","1") = "9"
    & skf18("4","9","8","2","7","1","1") = "8"
    & skf18("4","9","8","2","7","2","1") = "8"
    & skf18("4","9","8","2","7","3","1") = "8"
    & skf18("4","9","8","2","7","4","1") = "8"
    & skf18("4","9","8","2","7","5","1") = "8"
    & skf18("4","9","8","2","7","6","1") = "8"
    & skf18("4","9","8","2","7","7","1") = "8"
    & skf18("4","9","8","2","7","8","1") = "8"
    & skf18("4","9","8","2","7","9","1") = "8"
    & skf18("4","9","8","2","7","10","1") = "9"
    & skf18("4","9","8","2","8","1","1") = "8"
    & skf18("4","9","8","2","8","2","1") = "8"
    & skf18("4","9","8","2","8","3","1") = "8"
    & skf18("4","9","8","2","8","4","1") = "8"
    & skf18("4","9","8","2","8","5","1") = "8"
    & skf18("4","9","8","2","8","6","1") = "8"
    & skf18("4","9","8","2","8","7","1") = "8"
    & skf18("4","9","8","2","8","8","1") = "8"
    & skf18("4","9","8","2","8","9","1") = "8"
    & skf18("4","9","8","2","8","10","1") = "9"
    & skf18("4","9","8","2","9","1","1") = "8"
    & skf18("4","9","8","2","9","2","1") = "8"
    & skf18("4","9","8","2","9","3","1") = "8"
    & skf18("4","9","8","2","9","4","1") = "8"
    & skf18("4","9","8","2","9","5","1") = "8"
    & skf18("4","9","8","2","9","6","1") = "8"
    & skf18("4","9","8","2","9","7","1") = "8"
    & skf18("4","9","8","2","9","8","1") = "8"
    & skf18("4","9","8","2","9","9","1") = "8"
    & skf18("4","9","8","2","9","10","1") = "9"
    & skf18("4","9","8","2","10","1","1") = "9"
    & skf18("4","9","8","2","10","2","1") = "9"
    & skf18("4","9","8","2","10","3","1") = "9"
    & skf18("4","9","8","2","10","4","1") = "9"
    & skf18("4","9","8","2","10","5","1") = "9"
    & skf18("4","9","8","2","10","6","1") = "9"
    & skf18("4","9","8","2","10","7","1") = "9"
    & skf18("4","9","8","2","10","8","1") = "9"
    & skf18("4","9","8","2","10","9","1") = "9"
    & skf18("4","9","8","2","10","10","1") = "9"
    & skf18("4","9","8","3","1","1","1") = "8"
    & skf18("4","9","8","3","1","2","1") = "8"
    & skf18("4","9","8","3","1","3","1") = "8"
    & skf18("4","9","8","3","1","4","1") = "8"
    & skf18("4","9","8","3","1","5","1") = "8"
    & skf18("4","9","8","3","1","6","1") = "8"
    & skf18("4","9","8","3","1","7","1") = "8"
    & skf18("4","9","8","3","1","8","1") = "8"
    & skf18("4","9","8","3","1","9","1") = "8"
    & skf18("4","9","8","3","1","10","1") = "9"
    & skf18("4","9","8","3","2","1","1") = "8"
    & skf18("4","9","8","3","2","2","1") = "8"
    & skf18("4","9","8","3","2","3","1") = "8"
    & skf18("4","9","8","3","2","4","1") = "8"
    & skf18("4","9","8","3","2","5","1") = "8"
    & skf18("4","9","8","3","2","6","1") = "8"
    & skf18("4","9","8","3","2","7","1") = "8"
    & skf18("4","9","8","3","2","8","1") = "8"
    & skf18("4","9","8","3","2","9","1") = "8"
    & skf18("4","9","8","3","2","10","1") = "9"
    & skf18("4","9","8","3","3","1","1") = "8"
    & skf18("4","9","8","3","3","2","1") = "8"
    & skf18("4","9","8","3","3","3","1") = "8"
    & skf18("4","9","8","3","3","4","1") = "8"
    & skf18("4","9","8","3","3","5","1") = "8"
    & skf18("4","9","8","3","3","6","1") = "8"
    & skf18("4","9","8","3","3","7","1") = "8"
    & skf18("4","9","8","3","3","8","1") = "8"
    & skf18("4","9","8","3","3","9","1") = "8"
    & skf18("4","9","8","3","3","10","1") = "9"
    & skf18("4","9","8","3","4","1","1") = "8"
    & skf18("4","9","8","3","4","2","1") = "8"
    & skf18("4","9","8","3","4","3","1") = "8"
    & skf18("4","9","8","3","4","4","1") = "8"
    & skf18("4","9","8","3","4","5","1") = "8"
    & skf18("4","9","8","3","4","6","1") = "8"
    & skf18("4","9","8","3","4","7","1") = "8"
    & skf18("4","9","8","3","4","8","1") = "8"
    & skf18("4","9","8","3","4","9","1") = "8"
    & skf18("4","9","8","3","4","10","1") = "9"
    & skf18("4","9","8","3","5","1","1") = "8"
    & skf18("4","9","8","3","5","2","1") = "8"
    & skf18("4","9","8","3","5","3","1") = "8"
    & skf18("4","9","8","3","5","4","1") = "8"
    & skf18("4","9","8","3","5","5","1") = "8"
    & skf18("4","9","8","3","5","6","1") = "8"
    & skf18("4","9","8","3","5","7","1") = "8"
    & skf18("4","9","8","3","5","8","1") = "8"
    & skf18("4","9","8","3","5","9","1") = "8"
    & skf18("4","9","8","3","5","10","1") = "9"
    & skf18("4","9","8","3","6","1","1") = "8"
    & skf18("4","9","8","3","6","2","1") = "8"
    & skf18("4","9","8","3","6","3","1") = "8"
    & skf18("4","9","8","3","6","4","1") = "8"
    & skf18("4","9","8","3","6","5","1") = "8"
    & skf18("4","9","8","3","6","6","1") = "8"
    & skf18("4","9","8","3","6","7","1") = "8"
    & skf18("4","9","8","3","6","8","1") = "8"
    & skf18("4","9","8","3","6","9","1") = "8"
    & skf18("4","9","8","3","6","10","1") = "9"
    & skf18("4","9","8","3","7","1","1") = "8"
    & skf18("4","9","8","3","7","2","1") = "8"
    & skf18("4","9","8","3","7","3","1") = "8"
    & skf18("4","9","8","3","7","4","1") = "8"
    & skf18("4","9","8","3","7","5","1") = "8"
    & skf18("4","9","8","3","7","6","1") = "8"
    & skf18("4","9","8","3","7","7","1") = "8"
    & skf18("4","9","8","3","7","8","1") = "8"
    & skf18("4","9","8","3","7","9","1") = "8"
    & skf18("4","9","8","3","7","10","1") = "9"
    & skf18("4","9","8","3","8","1","1") = "8"
    & skf18("4","9","8","3","8","2","1") = "8"
    & skf18("4","9","8","3","8","3","1") = "8"
    & skf18("4","9","8","3","8","4","1") = "8"
    & skf18("4","9","8","3","8","5","1") = "8"
    & skf18("4","9","8","3","8","6","1") = "8"
    & skf18("4","9","8","3","8","7","1") = "8"
    & skf18("4","9","8","3","8","8","1") = "8"
    & skf18("4","9","8","3","8","9","1") = "8"
    & skf18("4","9","8","3","8","10","1") = "9"
    & skf18("4","9","8","3","9","1","1") = "8"
    & skf18("4","9","8","3","9","2","1") = "8"
    & skf18("4","9","8","3","9","3","1") = "8"
    & skf18("4","9","8","3","9","4","1") = "8"
    & skf18("4","9","8","3","9","5","1") = "8"
    & skf18("4","9","8","3","9","6","1") = "8"
    & skf18("4","9","8","3","9","7","1") = "8"
    & skf18("4","9","8","3","9","8","1") = "8"
    & skf18("4","9","8","3","9","9","1") = "8"
    & skf18("4","9","8","3","9","10","1") = "9"
    & skf18("4","9","8","3","10","1","1") = "9"
    & skf18("4","9","8","3","10","2","1") = "9"
    & skf18("4","9","8","3","10","3","1") = "9"
    & skf18("4","9","8","3","10","4","1") = "9"
    & skf18("4","9","8","3","10","5","1") = "9"
    & skf18("4","9","8","3","10","6","1") = "9"
    & skf18("4","9","8","3","10","7","1") = "9"
    & skf18("4","9","8","3","10","8","1") = "9"
    & skf18("4","9","8","3","10","9","1") = "9"
    & skf18("4","9","8","3","10","10","1") = "9"
    & skf18("4","9","8","4","1","1","1") = "8"
    & skf18("4","9","8","4","1","2","1") = "8"
    & skf18("4","9","8","4","1","3","1") = "8"
    & skf18("4","9","8","4","1","4","1") = "8"
    & skf18("4","9","8","4","1","5","1") = "8"
    & skf18("4","9","8","4","1","6","1") = "8"
    & skf18("4","9","8","4","1","7","1") = "8"
    & skf18("4","9","8","4","1","8","1") = "8"
    & skf18("4","9","8","4","1","9","1") = "8"
    & skf18("4","9","8","4","1","10","1") = "9"
    & skf18("4","9","8","4","2","1","1") = "8"
    & skf18("4","9","8","4","2","2","1") = "8"
    & skf18("4","9","8","4","2","3","1") = "8"
    & skf18("4","9","8","4","2","4","1") = "8"
    & skf18("4","9","8","4","2","5","1") = "8"
    & skf18("4","9","8","4","2","6","1") = "8"
    & skf18("4","9","8","4","2","7","1") = "8"
    & skf18("4","9","8","4","2","8","1") = "8"
    & skf18("4","9","8","4","2","9","1") = "8"
    & skf18("4","9","8","4","2","10","1") = "9"
    & skf18("4","9","8","4","3","1","1") = "8"
    & skf18("4","9","8","4","3","2","1") = "8"
    & skf18("4","9","8","4","3","3","1") = "8"
    & skf18("4","9","8","4","3","4","1") = "8"
    & skf18("4","9","8","4","3","5","1") = "8"
    & skf18("4","9","8","4","3","6","1") = "8"
    & skf18("4","9","8","4","3","7","1") = "8"
    & skf18("4","9","8","4","3","8","1") = "8"
    & skf18("4","9","8","4","3","9","1") = "8"
    & skf18("4","9","8","4","3","10","1") = "9"
    & skf18("4","9","8","4","4","1","1") = "8"
    & skf18("4","9","8","4","4","2","1") = "8"
    & skf18("4","9","8","4","4","3","1") = "8"
    & skf18("4","9","8","4","4","4","1") = "8"
    & skf18("4","9","8","4","4","5","1") = "8"
    & skf18("4","9","8","4","4","6","1") = "8"
    & skf18("4","9","8","4","4","7","1") = "8"
    & skf18("4","9","8","4","4","8","1") = "8"
    & skf18("4","9","8","4","4","9","1") = "8"
    & skf18("4","9","8","4","4","10","1") = "9"
    & skf18("4","9","8","4","5","1","1") = "8"
    & skf18("4","9","8","4","5","2","1") = "8"
    & skf18("4","9","8","4","5","3","1") = "8"
    & skf18("4","9","8","4","5","4","1") = "8"
    & skf18("4","9","8","4","5","5","1") = "8"
    & skf18("4","9","8","4","5","6","1") = "8"
    & skf18("4","9","8","4","5","7","1") = "8"
    & skf18("4","9","8","4","5","8","1") = "8"
    & skf18("4","9","8","4","5","9","1") = "8"
    & skf18("4","9","8","4","5","10","1") = "9"
    & skf18("4","9","8","4","6","1","1") = "8"
    & skf18("4","9","8","4","6","2","1") = "8"
    & skf18("4","9","8","4","6","3","1") = "8"
    & skf18("4","9","8","4","6","4","1") = "8"
    & skf18("4","9","8","4","6","5","1") = "8"
    & skf18("4","9","8","4","6","6","1") = "8"
    & skf18("4","9","8","4","6","7","1") = "8"
    & skf18("4","9","8","4","6","8","1") = "8"
    & skf18("4","9","8","4","6","9","1") = "8"
    & skf18("4","9","8","4","6","10","1") = "9"
    & skf18("4","9","8","4","7","1","1") = "8"
    & skf18("4","9","8","4","7","2","1") = "8"
    & skf18("4","9","8","4","7","3","1") = "8"
    & skf18("4","9","8","4","7","4","1") = "8"
    & skf18("4","9","8","4","7","5","1") = "8"
    & skf18("4","9","8","4","7","6","1") = "8"
    & skf18("4","9","8","4","7","7","1") = "8"
    & skf18("4","9","8","4","7","8","1") = "8"
    & skf18("4","9","8","4","7","9","1") = "8"
    & skf18("4","9","8","4","7","10","1") = "9"
    & skf18("4","9","8","4","8","1","1") = "8"
    & skf18("4","9","8","4","8","2","1") = "8"
    & skf18("4","9","8","4","8","3","1") = "8"
    & skf18("4","9","8","4","8","4","1") = "8"
    & skf18("4","9","8","4","8","5","1") = "8"
    & skf18("4","9","8","4","8","6","1") = "8"
    & skf18("4","9","8","4","8","7","1") = "8"
    & skf18("4","9","8","4","8","8","1") = "8"
    & skf18("4","9","8","4","8","9","1") = "8"
    & skf18("4","9","8","4","8","10","1") = "9"
    & skf18("4","9","8","4","9","1","1") = "8"
    & skf18("4","9","8","4","9","2","1") = "8"
    & skf18("4","9","8","4","9","3","1") = "8"
    & skf18("4","9","8","4","9","4","1") = "8"
    & skf18("4","9","8","4","9","5","1") = "8"
    & skf18("4","9","8","4","9","6","1") = "8"
    & skf18("4","9","8","4","9","7","1") = "8"
    & skf18("4","9","8","4","9","8","1") = "8"
    & skf18("4","9","8","4","9","9","1") = "8"
    & skf18("4","9","8","4","9","10","1") = "9"
    & skf18("4","9","8","4","10","1","1") = "9"
    & skf18("4","9","8","4","10","2","1") = "9"
    & skf18("4","9","8","4","10","3","1") = "9"
    & skf18("4","9","8","4","10","4","1") = "9"
    & skf18("4","9","8","4","10","5","1") = "9"
    & skf18("4","9","8","4","10","6","1") = "9"
    & skf18("4","9","8","4","10","7","1") = "9"
    & skf18("4","9","8","4","10","8","1") = "9"
    & skf18("4","9","8","4","10","9","1") = "9"
    & skf18("4","9","8","4","10","10","1") = "9"
    & skf18("4","9","8","5","1","1","1") = "8"
    & skf18("4","9","8","5","1","2","1") = "8"
    & skf18("4","9","8","5","1","3","1") = "8"
    & skf18("4","9","8","5","1","4","1") = "8"
    & skf18("4","9","8","5","1","5","1") = "8"
    & skf18("4","9","8","5","1","6","1") = "8"
    & skf18("4","9","8","5","1","7","1") = "8"
    & skf18("4","9","8","5","1","8","1") = "8"
    & skf18("4","9","8","5","1","9","1") = "8"
    & skf18("4","9","8","5","1","10","1") = "9"
    & skf18("4","9","8","5","2","1","1") = "8"
    & skf18("4","9","8","5","2","2","1") = "8"
    & skf18("4","9","8","5","2","3","1") = "8"
    & skf18("4","9","8","5","2","4","1") = "8"
    & skf18("4","9","8","5","2","5","1") = "8"
    & skf18("4","9","8","5","2","6","1") = "8"
    & skf18("4","9","8","5","2","7","1") = "8"
    & skf18("4","9","8","5","2","8","1") = "8"
    & skf18("4","9","8","5","2","9","1") = "8"
    & skf18("4","9","8","5","2","10","1") = "9"
    & skf18("4","9","8","5","3","1","1") = "8"
    & skf18("4","9","8","5","3","2","1") = "8"
    & skf18("4","9","8","5","3","3","1") = "8"
    & skf18("4","9","8","5","3","4","1") = "8"
    & skf18("4","9","8","5","3","5","1") = "8"
    & skf18("4","9","8","5","3","6","1") = "8"
    & skf18("4","9","8","5","3","7","1") = "8"
    & skf18("4","9","8","5","3","8","1") = "8"
    & skf18("4","9","8","5","3","9","1") = "8"
    & skf18("4","9","8","5","3","10","1") = "9"
    & skf18("4","9","8","5","4","1","1") = "8"
    & skf18("4","9","8","5","4","2","1") = "8"
    & skf18("4","9","8","5","4","3","1") = "8"
    & skf18("4","9","8","5","4","4","1") = "8"
    & skf18("4","9","8","5","4","5","1") = "8"
    & skf18("4","9","8","5","4","6","1") = "8"
    & skf18("4","9","8","5","4","7","1") = "8"
    & skf18("4","9","8","5","4","8","1") = "8"
    & skf18("4","9","8","5","4","9","1") = "8"
    & skf18("4","9","8","5","4","10","1") = "9"
    & skf18("4","9","8","5","5","1","1") = "8"
    & skf18("4","9","8","5","5","2","1") = "8"
    & skf18("4","9","8","5","5","3","1") = "8"
    & skf18("4","9","8","5","5","4","1") = "8"
    & skf18("4","9","8","5","5","5","1") = "8"
    & skf18("4","9","8","5","5","6","1") = "8"
    & skf18("4","9","8","5","5","7","1") = "8"
    & skf18("4","9","8","5","5","8","1") = "8"
    & skf18("4","9","8","5","5","9","1") = "8"
    & skf18("4","9","8","5","5","10","1") = "9"
    & skf18("4","9","8","5","6","1","1") = "8"
    & skf18("4","9","8","5","6","2","1") = "8"
    & skf18("4","9","8","5","6","3","1") = "8"
    & skf18("4","9","8","5","6","4","1") = "8"
    & skf18("4","9","8","5","6","5","1") = "8"
    & skf18("4","9","8","5","6","6","1") = "8"
    & skf18("4","9","8","5","6","7","1") = "8"
    & skf18("4","9","8","5","6","8","1") = "8"
    & skf18("4","9","8","5","6","9","1") = "8"
    & skf18("4","9","8","5","6","10","1") = "9"
    & skf18("4","9","8","5","7","1","1") = "8"
    & skf18("4","9","8","5","7","2","1") = "8"
    & skf18("4","9","8","5","7","3","1") = "8"
    & skf18("4","9","8","5","7","4","1") = "8"
    & skf18("4","9","8","5","7","5","1") = "8"
    & skf18("4","9","8","5","7","6","1") = "8"
    & skf18("4","9","8","5","7","7","1") = "8"
    & skf18("4","9","8","5","7","8","1") = "8"
    & skf18("4","9","8","5","7","9","1") = "8"
    & skf18("4","9","8","5","7","10","1") = "9"
    & skf18("4","9","8","5","8","1","1") = "8"
    & skf18("4","9","8","5","8","2","1") = "8"
    & skf18("4","9","8","5","8","3","1") = "8"
    & skf18("4","9","8","5","8","4","1") = "8"
    & skf18("4","9","8","5","8","5","1") = "8"
    & skf18("4","9","8","5","8","6","1") = "8"
    & skf18("4","9","8","5","8","7","1") = "8"
    & skf18("4","9","8","5","8","8","1") = "8"
    & skf18("4","9","8","5","8","9","1") = "8"
    & skf18("4","9","8","5","8","10","1") = "9"
    & skf18("4","9","8","5","9","1","1") = "8"
    & skf18("4","9","8","5","9","2","1") = "8"
    & skf18("4","9","8","5","9","3","1") = "8"
    & skf18("4","9","8","5","9","4","1") = "8"
    & skf18("4","9","8","5","9","5","1") = "8"
    & skf18("4","9","8","5","9","6","1") = "8"
    & skf18("4","9","8","5","9","7","1") = "8"
    & skf18("4","9","8","5","9","8","1") = "8"
    & skf18("4","9","8","5","9","9","1") = "8"
    & skf18("4","9","8","5","9","10","1") = "9"
    & skf18("4","9","8","5","10","1","1") = "9"
    & skf18("4","9","8","5","10","2","1") = "9"
    & skf18("4","9","8","5","10","3","1") = "9"
    & skf18("4","9","8","5","10","4","1") = "9"
    & skf18("4","9","8","5","10","5","1") = "9"
    & skf18("4","9","8","5","10","6","1") = "9"
    & skf18("4","9","8","5","10","7","1") = "9"
    & skf18("4","9","8","5","10","8","1") = "9"
    & skf18("4","9","8","5","10","9","1") = "9"
    & skf18("4","9","8","5","10","10","1") = "9"
    & skf18("4","9","8","6","1","1","1") = "8"
    & skf18("4","9","8","6","1","2","1") = "8"
    & skf18("4","9","8","6","1","3","1") = "8"
    & skf18("4","9","8","6","1","4","1") = "8"
    & skf18("4","9","8","6","1","5","1") = "8"
    & skf18("4","9","8","6","1","6","1") = "8"
    & skf18("4","9","8","6","1","7","1") = "8"
    & skf18("4","9","8","6","1","8","1") = "8"
    & skf18("4","9","8","6","1","9","1") = "8"
    & skf18("4","9","8","6","1","10","1") = "9"
    & skf18("4","9","8","6","2","1","1") = "8"
    & skf18("4","9","8","6","2","2","1") = "8"
    & skf18("4","9","8","6","2","3","1") = "8"
    & skf18("4","9","8","6","2","4","1") = "8"
    & skf18("4","9","8","6","2","5","1") = "8"
    & skf18("4","9","8","6","2","6","1") = "8"
    & skf18("4","9","8","6","2","7","1") = "8"
    & skf18("4","9","8","6","2","8","1") = "8"
    & skf18("4","9","8","6","2","9","1") = "8"
    & skf18("4","9","8","6","2","10","1") = "9"
    & skf18("4","9","8","6","3","1","1") = "8"
    & skf18("4","9","8","6","3","2","1") = "8"
    & skf18("4","9","8","6","3","3","1") = "8"
    & skf18("4","9","8","6","3","4","1") = "8"
    & skf18("4","9","8","6","3","5","1") = "8"
    & skf18("4","9","8","6","3","6","1") = "8"
    & skf18("4","9","8","6","3","7","1") = "8"
    & skf18("4","9","8","6","3","8","1") = "8"
    & skf18("4","9","8","6","3","9","1") = "8"
    & skf18("4","9","8","6","3","10","1") = "9"
    & skf18("4","9","8","6","4","1","1") = "8"
    & skf18("4","9","8","6","4","2","1") = "8"
    & skf18("4","9","8","6","4","3","1") = "8"
    & skf18("4","9","8","6","4","4","1") = "8"
    & skf18("4","9","8","6","4","5","1") = "8"
    & skf18("4","9","8","6","4","6","1") = "8"
    & skf18("4","9","8","6","4","7","1") = "8"
    & skf18("4","9","8","6","4","8","1") = "8"
    & skf18("4","9","8","6","4","9","1") = "8"
    & skf18("4","9","8","6","4","10","1") = "9"
    & skf18("4","9","8","6","5","1","1") = "8"
    & skf18("4","9","8","6","5","2","1") = "8"
    & skf18("4","9","8","6","5","3","1") = "8"
    & skf18("4","9","8","6","5","4","1") = "8"
    & skf18("4","9","8","6","5","5","1") = "8"
    & skf18("4","9","8","6","5","6","1") = "8"
    & skf18("4","9","8","6","5","7","1") = "8"
    & skf18("4","9","8","6","5","8","1") = "8"
    & skf18("4","9","8","6","5","9","1") = "8"
    & skf18("4","9","8","6","5","10","1") = "9"
    & skf18("4","9","8","6","6","1","1") = "8"
    & skf18("4","9","8","6","6","2","1") = "8"
    & skf18("4","9","8","6","6","3","1") = "8"
    & skf18("4","9","8","6","6","4","1") = "8"
    & skf18("4","9","8","6","6","5","1") = "8"
    & skf18("4","9","8","6","6","6","1") = "8"
    & skf18("4","9","8","6","6","7","1") = "8"
    & skf18("4","9","8","6","6","8","1") = "8"
    & skf18("4","9","8","6","6","9","1") = "8"
    & skf18("4","9","8","6","6","10","1") = "9"
    & skf18("4","9","8","6","7","1","1") = "8"
    & skf18("4","9","8","6","7","2","1") = "8"
    & skf18("4","9","8","6","7","3","1") = "8"
    & skf18("4","9","8","6","7","4","1") = "8"
    & skf18("4","9","8","6","7","5","1") = "8"
    & skf18("4","9","8","6","7","6","1") = "8"
    & skf18("4","9","8","6","7","7","1") = "8"
    & skf18("4","9","8","6","7","8","1") = "8"
    & skf18("4","9","8","6","7","9","1") = "8"
    & skf18("4","9","8","6","7","10","1") = "9"
    & skf18("4","9","8","6","8","1","1") = "8"
    & skf18("4","9","8","6","8","2","1") = "8"
    & skf18("4","9","8","6","8","3","1") = "8"
    & skf18("4","9","8","6","8","4","1") = "8"
    & skf18("4","9","8","6","8","5","1") = "8"
    & skf18("4","9","8","6","8","6","1") = "8"
    & skf18("4","9","8","6","8","7","1") = "8"
    & skf18("4","9","8","6","8","8","1") = "8"
    & skf18("4","9","8","6","8","9","1") = "8"
    & skf18("4","9","8","6","8","10","1") = "9"
    & skf18("4","9","8","6","9","1","1") = "8"
    & skf18("4","9","8","6","9","2","1") = "8"
    & skf18("4","9","8","6","9","3","1") = "8"
    & skf18("4","9","8","6","9","4","1") = "8"
    & skf18("4","9","8","6","9","5","1") = "8"
    & skf18("4","9","8","6","9","6","1") = "8"
    & skf18("4","9","8","6","9","7","1") = "8"
    & skf18("4","9","8","6","9","8","1") = "8"
    & skf18("4","9","8","6","9","9","1") = "8"
    & skf18("4","9","8","6","9","10","1") = "9"
    & skf18("4","9","8","6","10","1","1") = "9"
    & skf18("4","9","8","6","10","2","1") = "9"
    & skf18("4","9","8","6","10","3","1") = "9"
    & skf18("4","9","8","6","10","4","1") = "9"
    & skf18("4","9","8","6","10","5","1") = "9"
    & skf18("4","9","8","6","10","6","1") = "9"
    & skf18("4","9","8","6","10","7","1") = "9"
    & skf18("4","9","8","6","10","8","1") = "9"
    & skf18("4","9","8","6","10","9","1") = "9"
    & skf18("4","9","8","6","10","10","1") = "9"
    & skf18("4","9","8","7","1","1","1") = "8"
    & skf18("4","9","8","7","1","2","1") = "8"
    & skf18("4","9","8","7","1","3","1") = "8"
    & skf18("4","9","8","7","1","4","1") = "8"
    & skf18("4","9","8","7","1","5","1") = "8"
    & skf18("4","9","8","7","1","6","1") = "8"
    & skf18("4","9","8","7","1","7","1") = "8"
    & skf18("4","9","8","7","1","8","1") = "8"
    & skf18("4","9","8","7","1","9","1") = "8"
    & skf18("4","9","8","7","1","10","1") = "9"
    & skf18("4","9","8","7","2","1","1") = "8"
    & skf18("4","9","8","7","2","2","1") = "8"
    & skf18("4","9","8","7","2","3","1") = "8"
    & skf18("4","9","8","7","2","4","1") = "8"
    & skf18("4","9","8","7","2","5","1") = "8"
    & skf18("4","9","8","7","2","6","1") = "8"
    & skf18("4","9","8","7","2","7","1") = "8"
    & skf18("4","9","8","7","2","8","1") = "8"
    & skf18("4","9","8","7","2","9","1") = "8"
    & skf18("4","9","8","7","2","10","1") = "9"
    & skf18("4","9","8","7","3","1","1") = "8"
    & skf18("4","9","8","7","3","2","1") = "8"
    & skf18("4","9","8","7","3","3","1") = "8"
    & skf18("4","9","8","7","3","4","1") = "8"
    & skf18("4","9","8","7","3","5","1") = "8"
    & skf18("4","9","8","7","3","6","1") = "8"
    & skf18("4","9","8","7","3","7","1") = "8"
    & skf18("4","9","8","7","3","8","1") = "8"
    & skf18("4","9","8","7","3","9","1") = "8"
    & skf18("4","9","8","7","3","10","1") = "9"
    & skf18("4","9","8","7","4","1","1") = "8"
    & skf18("4","9","8","7","4","2","1") = "8"
    & skf18("4","9","8","7","4","3","1") = "8"
    & skf18("4","9","8","7","4","4","1") = "8"
    & skf18("4","9","8","7","4","5","1") = "8"
    & skf18("4","9","8","7","4","6","1") = "8"
    & skf18("4","9","8","7","4","7","1") = "8"
    & skf18("4","9","8","7","4","8","1") = "8"
    & skf18("4","9","8","7","4","9","1") = "8"
    & skf18("4","9","8","7","4","10","1") = "9"
    & skf18("4","9","8","7","5","1","1") = "8"
    & skf18("4","9","8","7","5","2","1") = "8"
    & skf18("4","9","8","7","5","3","1") = "8"
    & skf18("4","9","8","7","5","4","1") = "8"
    & skf18("4","9","8","7","5","5","1") = "8"
    & skf18("4","9","8","7","5","6","1") = "8"
    & skf18("4","9","8","7","5","7","1") = "8"
    & skf18("4","9","8","7","5","8","1") = "8"
    & skf18("4","9","8","7","5","9","1") = "8"
    & skf18("4","9","8","7","5","10","1") = "9"
    & skf18("4","9","8","7","6","1","1") = "8"
    & skf18("4","9","8","7","6","2","1") = "8"
    & skf18("4","9","8","7","6","3","1") = "8"
    & skf18("4","9","8","7","6","4","1") = "8"
    & skf18("4","9","8","7","6","5","1") = "8"
    & skf18("4","9","8","7","6","6","1") = "8"
    & skf18("4","9","8","7","6","7","1") = "8"
    & skf18("4","9","8","7","6","8","1") = "8"
    & skf18("4","9","8","7","6","9","1") = "8"
    & skf18("4","9","8","7","6","10","1") = "9"
    & skf18("4","9","8","7","7","1","1") = "8"
    & skf18("4","9","8","7","7","2","1") = "8"
    & skf18("4","9","8","7","7","3","1") = "8"
    & skf18("4","9","8","7","7","4","1") = "8"
    & skf18("4","9","8","7","7","5","1") = "8"
    & skf18("4","9","8","7","7","6","1") = "8"
    & skf18("4","9","8","7","7","7","1") = "8"
    & skf18("4","9","8","7","7","8","1") = "8"
    & skf18("4","9","8","7","7","9","1") = "8"
    & skf18("4","9","8","7","7","10","1") = "9"
    & skf18("4","9","8","7","8","1","1") = "8"
    & skf18("4","9","8","7","8","2","1") = "8"
    & skf18("4","9","8","7","8","3","1") = "8"
    & skf18("4","9","8","7","8","4","1") = "8"
    & skf18("4","9","8","7","8","5","1") = "8"
    & skf18("4","9","8","7","8","6","1") = "8"
    & skf18("4","9","8","7","8","7","1") = "8"
    & skf18("4","9","8","7","8","8","1") = "8"
    & skf18("4","9","8","7","8","9","1") = "8"
    & skf18("4","9","8","7","8","10","1") = "9"
    & skf18("4","9","8","7","9","1","1") = "8"
    & skf18("4","9","8","7","9","2","1") = "8"
    & skf18("4","9","8","7","9","3","1") = "8"
    & skf18("4","9","8","7","9","4","1") = "8"
    & skf18("4","9","8","7","9","5","1") = "8"
    & skf18("4","9","8","7","9","6","1") = "8"
    & skf18("4","9","8","7","9","7","1") = "8"
    & skf18("4","9","8","7","9","8","1") = "8"
    & skf18("4","9","8","7","9","9","1") = "8"
    & skf18("4","9","8","7","9","10","1") = "9"
    & skf18("4","9","8","7","10","1","1") = "9"
    & skf18("4","9","8","7","10","2","1") = "9"
    & skf18("4","9","8","7","10","3","1") = "9"
    & skf18("4","9","8","7","10","4","1") = "9"
    & skf18("4","9","8","7","10","5","1") = "9"
    & skf18("4","9","8","7","10","6","1") = "9"
    & skf18("4","9","8","7","10","7","1") = "9"
    & skf18("4","9","8","7","10","8","1") = "9"
    & skf18("4","9","8","7","10","9","1") = "9"
    & skf18("4","9","8","7","10","10","1") = "9"
    & skf18("4","9","8","8","1","1","1") = "8"
    & skf18("4","9","8","8","1","2","1") = "8"
    & skf18("4","9","8","8","1","3","1") = "8"
    & skf18("4","9","8","8","1","4","1") = "8"
    & skf18("4","9","8","8","1","5","1") = "8"
    & skf18("4","9","8","8","1","6","1") = "8"
    & skf18("4","9","8","8","1","7","1") = "8"
    & skf18("4","9","8","8","1","8","1") = "8"
    & skf18("4","9","8","8","1","9","1") = "8"
    & skf18("4","9","8","8","1","10","1") = "9"
    & skf18("4","9","8","8","2","1","1") = "8"
    & skf18("4","9","8","8","2","2","1") = "8"
    & skf18("4","9","8","8","2","3","1") = "8"
    & skf18("4","9","8","8","2","4","1") = "8"
    & skf18("4","9","8","8","2","5","1") = "8"
    & skf18("4","9","8","8","2","6","1") = "8"
    & skf18("4","9","8","8","2","7","1") = "8"
    & skf18("4","9","8","8","2","8","1") = "8"
    & skf18("4","9","8","8","2","9","1") = "8"
    & skf18("4","9","8","8","2","10","1") = "9"
    & skf18("4","9","8","8","3","1","1") = "8"
    & skf18("4","9","8","8","3","2","1") = "8"
    & skf18("4","9","8","8","3","3","1") = "8"
    & skf18("4","9","8","8","3","4","1") = "8"
    & skf18("4","9","8","8","3","5","1") = "8"
    & skf18("4","9","8","8","3","6","1") = "8"
    & skf18("4","9","8","8","3","7","1") = "8"
    & skf18("4","9","8","8","3","8","1") = "8"
    & skf18("4","9","8","8","3","9","1") = "8"
    & skf18("4","9","8","8","3","10","1") = "9"
    & skf18("4","9","8","8","4","1","1") = "8"
    & skf18("4","9","8","8","4","2","1") = "8"
    & skf18("4","9","8","8","4","3","1") = "8"
    & skf18("4","9","8","8","4","4","1") = "8"
    & skf18("4","9","8","8","4","5","1") = "8"
    & skf18("4","9","8","8","4","6","1") = "8"
    & skf18("4","9","8","8","4","7","1") = "8"
    & skf18("4","9","8","8","4","8","1") = "8"
    & skf18("4","9","8","8","4","9","1") = "8"
    & skf18("4","9","8","8","4","10","1") = "9"
    & skf18("4","9","8","8","5","1","1") = "8"
    & skf18("4","9","8","8","5","2","1") = "8"
    & skf18("4","9","8","8","5","3","1") = "8"
    & skf18("4","9","8","8","5","4","1") = "8"
    & skf18("4","9","8","8","5","5","1") = "8"
    & skf18("4","9","8","8","5","6","1") = "8"
    & skf18("4","9","8","8","5","7","1") = "8"
    & skf18("4","9","8","8","5","8","1") = "8"
    & skf18("4","9","8","8","5","9","1") = "8"
    & skf18("4","9","8","8","5","10","1") = "9"
    & skf18("4","9","8","8","6","1","1") = "8"
    & skf18("4","9","8","8","6","2","1") = "8"
    & skf18("4","9","8","8","6","3","1") = "8"
    & skf18("4","9","8","8","6","4","1") = "8"
    & skf18("4","9","8","8","6","5","1") = "8"
    & skf18("4","9","8","8","6","6","1") = "8"
    & skf18("4","9","8","8","6","7","1") = "8"
    & skf18("4","9","8","8","6","8","1") = "8"
    & skf18("4","9","8","8","6","9","1") = "8"
    & skf18("4","9","8","8","6","10","1") = "9"
    & skf18("4","9","8","8","7","1","1") = "8"
    & skf18("4","9","8","8","7","2","1") = "8"
    & skf18("4","9","8","8","7","3","1") = "8"
    & skf18("4","9","8","8","7","4","1") = "8"
    & skf18("4","9","8","8","7","5","1") = "8"
    & skf18("4","9","8","8","7","6","1") = "8"
    & skf18("4","9","8","8","7","7","1") = "8"
    & skf18("4","9","8","8","7","8","1") = "8"
    & skf18("4","9","8","8","7","9","1") = "8"
    & skf18("4","9","8","8","7","10","1") = "9"
    & skf18("4","9","8","8","8","1","1") = "8"
    & skf18("4","9","8","8","8","2","1") = "8"
    & skf18("4","9","8","8","8","3","1") = "8"
    & skf18("4","9","8","8","8","4","1") = "8"
    & skf18("4","9","8","8","8","5","1") = "8"
    & skf18("4","9","8","8","8","6","1") = "8"
    & skf18("4","9","8","8","8","7","1") = "8"
    & skf18("4","9","8","8","8","8","1") = "8"
    & skf18("4","9","8","8","8","9","1") = "8"
    & skf18("4","9","8","8","8","10","1") = "9"
    & skf18("4","9","8","8","9","1","1") = "8"
    & skf18("4","9","8","8","9","2","1") = "8"
    & skf18("4","9","8","8","9","3","1") = "8"
    & skf18("4","9","8","8","9","4","1") = "8"
    & skf18("4","9","8","8","9","5","1") = "8"
    & skf18("4","9","8","8","9","6","1") = "8"
    & skf18("4","9","8","8","9","7","1") = "8"
    & skf18("4","9","8","8","9","8","1") = "8"
    & skf18("4","9","8","8","9","9","1") = "8"
    & skf18("4","9","8","8","9","10","1") = "9"
    & skf18("4","9","8","8","10","1","1") = "9"
    & skf18("4","9","8","8","10","2","1") = "9"
    & skf18("4","9","8","8","10","3","1") = "9"
    & skf18("4","9","8","8","10","4","1") = "9"
    & skf18("4","9","8","8","10","5","1") = "9"
    & skf18("4","9","8","8","10","6","1") = "9"
    & skf18("4","9","8","8","10","7","1") = "9"
    & skf18("4","9","8","8","10","8","1") = "9"
    & skf18("4","9","8","8","10","9","1") = "9"
    & skf18("4","9","8","8","10","10","1") = "9"
    & skf18("4","9","8","9","1","1","1") = "8"
    & skf18("4","9","8","9","1","2","1") = "8"
    & skf18("4","9","8","9","1","3","1") = "8"
    & skf18("4","9","8","9","1","4","1") = "8"
    & skf18("4","9","8","9","1","5","1") = "8"
    & skf18("4","9","8","9","1","6","1") = "8"
    & skf18("4","9","8","9","1","7","1") = "8"
    & skf18("4","9","8","9","1","8","1") = "8"
    & skf18("4","9","8","9","1","9","1") = "8"
    & skf18("4","9","8","9","1","10","1") = "9"
    & skf18("4","9","8","9","2","1","1") = "8"
    & skf18("4","9","8","9","2","2","1") = "8"
    & skf18("4","9","8","9","2","3","1") = "8"
    & skf18("4","9","8","9","2","4","1") = "8"
    & skf18("4","9","8","9","2","5","1") = "8"
    & skf18("4","9","8","9","2","6","1") = "8"
    & skf18("4","9","8","9","2","7","1") = "8"
    & skf18("4","9","8","9","2","8","1") = "8"
    & skf18("4","9","8","9","2","9","1") = "8"
    & skf18("4","9","8","9","2","10","1") = "9"
    & skf18("4","9","8","9","3","1","1") = "8"
    & skf18("4","9","8","9","3","2","1") = "8"
    & skf18("4","9","8","9","3","3","1") = "8"
    & skf18("4","9","8","9","3","4","1") = "8"
    & skf18("4","9","8","9","3","5","1") = "8"
    & skf18("4","9","8","9","3","6","1") = "8"
    & skf18("4","9","8","9","3","7","1") = "8"
    & skf18("4","9","8","9","3","8","1") = "8"
    & skf18("4","9","8","9","3","9","1") = "8"
    & skf18("4","9","8","9","3","10","1") = "9"
    & skf18("4","9","8","9","4","1","1") = "8"
    & skf18("4","9","8","9","4","2","1") = "8"
    & skf18("4","9","8","9","4","3","1") = "8"
    & skf18("4","9","8","9","4","4","1") = "8"
    & skf18("4","9","8","9","4","5","1") = "8"
    & skf18("4","9","8","9","4","6","1") = "8"
    & skf18("4","9","8","9","4","7","1") = "8"
    & skf18("4","9","8","9","4","8","1") = "8"
    & skf18("4","9","8","9","4","9","1") = "8"
    & skf18("4","9","8","9","4","10","1") = "9"
    & skf18("4","9","8","9","5","1","1") = "8"
    & skf18("4","9","8","9","5","2","1") = "8"
    & skf18("4","9","8","9","5","3","1") = "8"
    & skf18("4","9","8","9","5","4","1") = "8"
    & skf18("4","9","8","9","5","5","1") = "8"
    & skf18("4","9","8","9","5","6","1") = "8"
    & skf18("4","9","8","9","5","7","1") = "8"
    & skf18("4","9","8","9","5","8","1") = "8"
    & skf18("4","9","8","9","5","9","1") = "8"
    & skf18("4","9","8","9","5","10","1") = "9"
    & skf18("4","9","8","9","6","1","1") = "8"
    & skf18("4","9","8","9","6","2","1") = "8"
    & skf18("4","9","8","9","6","3","1") = "8"
    & skf18("4","9","8","9","6","4","1") = "8"
    & skf18("4","9","8","9","6","5","1") = "8"
    & skf18("4","9","8","9","6","6","1") = "8"
    & skf18("4","9","8","9","6","7","1") = "8"
    & skf18("4","9","8","9","6","8","1") = "8"
    & skf18("4","9","8","9","6","9","1") = "8"
    & skf18("4","9","8","9","6","10","1") = "9"
    & skf18("4","9","8","9","7","1","1") = "8"
    & skf18("4","9","8","9","7","2","1") = "8"
    & skf18("4","9","8","9","7","3","1") = "8"
    & skf18("4","9","8","9","7","4","1") = "8"
    & skf18("4","9","8","9","7","5","1") = "8"
    & skf18("4","9","8","9","7","6","1") = "8"
    & skf18("4","9","8","9","7","7","1") = "8"
    & skf18("4","9","8","9","7","8","1") = "8"
    & skf18("4","9","8","9","7","9","1") = "8"
    & skf18("4","9","8","9","7","10","1") = "9"
    & skf18("4","9","8","9","8","1","1") = "8"
    & skf18("4","9","8","9","8","2","1") = "8"
    & skf18("4","9","8","9","8","3","1") = "8"
    & skf18("4","9","8","9","8","4","1") = "8"
    & skf18("4","9","8","9","8","5","1") = "8"
    & skf18("4","9","8","9","8","6","1") = "8"
    & skf18("4","9","8","9","8","7","1") = "8"
    & skf18("4","9","8","9","8","8","1") = "8"
    & skf18("4","9","8","9","8","9","1") = "8"
    & skf18("4","9","8","9","8","10","1") = "9"
    & skf18("4","9","8","9","9","1","1") = "8"
    & skf18("4","9","8","9","9","2","1") = "8"
    & skf18("4","9","8","9","9","3","1") = "8"
    & skf18("4","9","8","9","9","4","1") = "8"
    & skf18("4","9","8","9","9","5","1") = "8"
    & skf18("4","9","8","9","9","6","1") = "8"
    & skf18("4","9","8","9","9","7","1") = "8"
    & skf18("4","9","8","9","9","8","1") = "8"
    & skf18("4","9","8","9","9","9","1") = "8"
    & skf18("4","9","8","9","9","10","1") = "9"
    & skf18("4","9","8","9","10","1","1") = "9"
    & skf18("4","9","8","9","10","2","1") = "9"
    & skf18("4","9","8","9","10","3","1") = "9"
    & skf18("4","9","8","9","10","4","1") = "9"
    & skf18("4","9","8","9","10","5","1") = "9"
    & skf18("4","9","8","9","10","6","1") = "9"
    & skf18("4","9","8","9","10","7","1") = "9"
    & skf18("4","9","8","9","10","8","1") = "9"
    & skf18("4","9","8","9","10","9","1") = "9"
    & skf18("4","9","8","9","10","10","1") = "9"
    & skf18("4","9","8","10","1","1","1") = "9"
    & skf18("4","9","8","10","1","2","1") = "9"
    & skf18("4","9","8","10","1","3","1") = "9"
    & skf18("4","9","8","10","1","4","1") = "9"
    & skf18("4","9","8","10","1","5","1") = "9"
    & skf18("4","9","8","10","1","6","1") = "9"
    & skf18("4","9","8","10","1","7","1") = "9"
    & skf18("4","9","8","10","1","8","1") = "9"
    & skf18("4","9","8","10","1","9","1") = "9"
    & skf18("4","9","8","10","1","10","1") = "9"
    & skf18("4","9","8","10","2","1","1") = "9"
    & skf18("4","9","8","10","2","2","1") = "9"
    & skf18("4","9","8","10","2","3","1") = "9"
    & skf18("4","9","8","10","2","4","1") = "9"
    & skf18("4","9","8","10","2","5","1") = "9"
    & skf18("4","9","8","10","2","6","1") = "9"
    & skf18("4","9","8","10","2","7","1") = "9"
    & skf18("4","9","8","10","2","8","1") = "9"
    & skf18("4","9","8","10","2","9","1") = "9"
    & skf18("4","9","8","10","2","10","1") = "9"
    & skf18("4","9","8","10","3","1","1") = "9"
    & skf18("4","9","8","10","3","2","1") = "9"
    & skf18("4","9","8","10","3","3","1") = "9"
    & skf18("4","9","8","10","3","4","1") = "9"
    & skf18("4","9","8","10","3","5","1") = "9"
    & skf18("4","9","8","10","3","6","1") = "9"
    & skf18("4","9","8","10","3","7","1") = "9"
    & skf18("4","9","8","10","3","8","1") = "9"
    & skf18("4","9","8","10","3","9","1") = "9"
    & skf18("4","9","8","10","3","10","1") = "9"
    & skf18("4","9","8","10","4","1","1") = "9"
    & skf18("4","9","8","10","4","2","1") = "9"
    & skf18("4","9","8","10","4","3","1") = "9"
    & skf18("4","9","8","10","4","4","1") = "9"
    & skf18("4","9","8","10","4","5","1") = "9"
    & skf18("4","9","8","10","4","6","1") = "9"
    & skf18("4","9","8","10","4","7","1") = "9"
    & skf18("4","9","8","10","4","8","1") = "9"
    & skf18("4","9","8","10","4","9","1") = "9"
    & skf18("4","9","8","10","4","10","1") = "9"
    & skf18("4","9","8","10","5","1","1") = "9"
    & skf18("4","9","8","10","5","2","1") = "9"
    & skf18("4","9","8","10","5","3","1") = "9"
    & skf18("4","9","8","10","5","4","1") = "9"
    & skf18("4","9","8","10","5","5","1") = "9"
    & skf18("4","9","8","10","5","6","1") = "9"
    & skf18("4","9","8","10","5","7","1") = "9"
    & skf18("4","9","8","10","5","8","1") = "9"
    & skf18("4","9","8","10","5","9","1") = "9"
    & skf18("4","9","8","10","5","10","1") = "9"
    & skf18("4","9","8","10","6","1","1") = "9"
    & skf18("4","9","8","10","6","2","1") = "9"
    & skf18("4","9","8","10","6","3","1") = "9"
    & skf18("4","9","8","10","6","4","1") = "9"
    & skf18("4","9","8","10","6","5","1") = "9"
    & skf18("4","9","8","10","6","6","1") = "9"
    & skf18("4","9","8","10","6","7","1") = "9"
    & skf18("4","9","8","10","6","8","1") = "9"
    & skf18("4","9","8","10","6","9","1") = "9"
    & skf18("4","9","8","10","6","10","1") = "9"
    & skf18("4","9","8","10","7","1","1") = "9"
    & skf18("4","9","8","10","7","2","1") = "9"
    & skf18("4","9","8","10","7","3","1") = "9"
    & skf18("4","9","8","10","7","4","1") = "9"
    & skf18("4","9","8","10","7","5","1") = "9"
    & skf18("4","9","8","10","7","6","1") = "9"
    & skf18("4","9","8","10","7","7","1") = "9"
    & skf18("4","9","8","10","7","8","1") = "9"
    & skf18("4","9","8","10","7","9","1") = "9"
    & skf18("4","9","8","10","7","10","1") = "9"
    & skf18("4","9","8","10","8","1","1") = "9"
    & skf18("4","9","8","10","8","2","1") = "9"
    & skf18("4","9","8","10","8","3","1") = "9"
    & skf18("4","9","8","10","8","4","1") = "9"
    & skf18("4","9","8","10","8","5","1") = "9"
    & skf18("4","9","8","10","8","6","1") = "9"
    & skf18("4","9","8","10","8","7","1") = "9"
    & skf18("4","9","8","10","8","8","1") = "9"
    & skf18("4","9","8","10","8","9","1") = "9"
    & skf18("4","9","8","10","8","10","1") = "9"
    & skf18("4","9","8","10","9","1","1") = "9"
    & skf18("4","9","8","10","9","2","1") = "9"
    & skf18("4","9","8","10","9","3","1") = "9"
    & skf18("4","9","8","10","9","4","1") = "9"
    & skf18("4","9","8","10","9","5","1") = "9"
    & skf18("4","9","8","10","9","6","1") = "9"
    & skf18("4","9","8","10","9","7","1") = "9"
    & skf18("4","9","8","10","9","8","1") = "9"
    & skf18("4","9","8","10","9","9","1") = "9"
    & skf18("4","9","8","10","9","10","1") = "9"
    & skf18("4","9","8","10","10","1","1") = "9"
    & skf18("4","9","8","10","10","2","1") = "9"
    & skf18("4","9","8","10","10","3","1") = "9"
    & skf18("4","9","8","10","10","4","1") = "9"
    & skf18("4","9","8","10","10","5","1") = "9"
    & skf18("4","9","8","10","10","6","1") = "9"
    & skf18("4","9","8","10","10","7","1") = "9"
    & skf18("4","9","8","10","10","8","1") = "9"
    & skf18("4","9","8","10","10","9","1") = "9"
    & skf18("4","9","8","10","10","10","1") = "9"
    & skf18("4","9","9","1","1","1","1") = "8"
    & skf18("4","9","9","1","1","2","1") = "8"
    & skf18("4","9","9","1","1","3","1") = "8"
    & skf18("4","9","9","1","1","4","1") = "8"
    & skf18("4","9","9","1","1","5","1") = "8"
    & skf18("4","9","9","1","1","6","1") = "8"
    & skf18("4","9","9","1","1","7","1") = "8"
    & skf18("4","9","9","1","1","8","1") = "8"
    & skf18("4","9","9","1","1","9","1") = "8"
    & skf18("4","9","9","1","1","10","1") = "9"
    & skf18("4","9","9","1","2","1","1") = "8"
    & skf18("4","9","9","1","2","2","1") = "8"
    & skf18("4","9","9","1","2","3","1") = "8"
    & skf18("4","9","9","1","2","4","1") = "8"
    & skf18("4","9","9","1","2","5","1") = "8"
    & skf18("4","9","9","1","2","6","1") = "8"
    & skf18("4","9","9","1","2","7","1") = "8"
    & skf18("4","9","9","1","2","8","1") = "8"
    & skf18("4","9","9","1","2","9","1") = "8"
    & skf18("4","9","9","1","2","10","1") = "9"
    & skf18("4","9","9","1","3","1","1") = "8"
    & skf18("4","9","9","1","3","2","1") = "8"
    & skf18("4","9","9","1","3","3","1") = "8"
    & skf18("4","9","9","1","3","4","1") = "8"
    & skf18("4","9","9","1","3","5","1") = "8"
    & skf18("4","9","9","1","3","6","1") = "8"
    & skf18("4","9","9","1","3","7","1") = "8"
    & skf18("4","9","9","1","3","8","1") = "8"
    & skf18("4","9","9","1","3","9","1") = "8"
    & skf18("4","9","9","1","3","10","1") = "9"
    & skf18("4","9","9","1","4","1","1") = "8"
    & skf18("4","9","9","1","4","2","1") = "8"
    & skf18("4","9","9","1","4","3","1") = "8"
    & skf18("4","9","9","1","4","4","1") = "8"
    & skf18("4","9","9","1","4","5","1") = "8"
    & skf18("4","9","9","1","4","6","1") = "8"
    & skf18("4","9","9","1","4","7","1") = "8"
    & skf18("4","9","9","1","4","8","1") = "8"
    & skf18("4","9","9","1","4","9","1") = "8"
    & skf18("4","9","9","1","4","10","1") = "9"
    & skf18("4","9","9","1","5","1","1") = "8"
    & skf18("4","9","9","1","5","2","1") = "8"
    & skf18("4","9","9","1","5","3","1") = "8"
    & skf18("4","9","9","1","5","4","1") = "8"
    & skf18("4","9","9","1","5","5","1") = "8"
    & skf18("4","9","9","1","5","6","1") = "8"
    & skf18("4","9","9","1","5","7","1") = "8"
    & skf18("4","9","9","1","5","8","1") = "8"
    & skf18("4","9","9","1","5","9","1") = "8"
    & skf18("4","9","9","1","5","10","1") = "9"
    & skf18("4","9","9","1","6","1","1") = "8"
    & skf18("4","9","9","1","6","2","1") = "8"
    & skf18("4","9","9","1","6","3","1") = "8"
    & skf18("4","9","9","1","6","4","1") = "8"
    & skf18("4","9","9","1","6","5","1") = "8"
    & skf18("4","9","9","1","6","6","1") = "8"
    & skf18("4","9","9","1","6","7","1") = "8"
    & skf18("4","9","9","1","6","8","1") = "8"
    & skf18("4","9","9","1","6","9","1") = "8"
    & skf18("4","9","9","1","6","10","1") = "9"
    & skf18("4","9","9","1","7","1","1") = "8"
    & skf18("4","9","9","1","7","2","1") = "8"
    & skf18("4","9","9","1","7","3","1") = "8"
    & skf18("4","9","9","1","7","4","1") = "8"
    & skf18("4","9","9","1","7","5","1") = "8"
    & skf18("4","9","9","1","7","6","1") = "8"
    & skf18("4","9","9","1","7","7","1") = "8"
    & skf18("4","9","9","1","7","8","1") = "8"
    & skf18("4","9","9","1","7","9","1") = "8"
    & skf18("4","9","9","1","7","10","1") = "9"
    & skf18("4","9","9","1","8","1","1") = "8"
    & skf18("4","9","9","1","8","2","1") = "8"
    & skf18("4","9","9","1","8","3","1") = "8"
    & skf18("4","9","9","1","8","4","1") = "8"
    & skf18("4","9","9","1","8","5","1") = "8"
    & skf18("4","9","9","1","8","6","1") = "8"
    & skf18("4","9","9","1","8","7","1") = "8"
    & skf18("4","9","9","1","8","8","1") = "8"
    & skf18("4","9","9","1","8","9","1") = "8"
    & skf18("4","9","9","1","8","10","1") = "9"
    & skf18("4","9","9","1","9","1","1") = "8"
    & skf18("4","9","9","1","9","2","1") = "8"
    & skf18("4","9","9","1","9","3","1") = "8"
    & skf18("4","9","9","1","9","4","1") = "8"
    & skf18("4","9","9","1","9","5","1") = "8"
    & skf18("4","9","9","1","9","6","1") = "8"
    & skf18("4","9","9","1","9","7","1") = "8"
    & skf18("4","9","9","1","9","8","1") = "8"
    & skf18("4","9","9","1","9","9","1") = "8"
    & skf18("4","9","9","1","9","10","1") = "9"
    & skf18("4","9","9","1","10","1","1") = "9"
    & skf18("4","9","9","1","10","2","1") = "9"
    & skf18("4","9","9","1","10","3","1") = "9"
    & skf18("4","9","9","1","10","4","1") = "9"
    & skf18("4","9","9","1","10","5","1") = "9"
    & skf18("4","9","9","1","10","6","1") = "9"
    & skf18("4","9","9","1","10","7","1") = "9"
    & skf18("4","9","9","1","10","8","1") = "9"
    & skf18("4","9","9","1","10","9","1") = "9"
    & skf18("4","9","9","1","10","10","1") = "9"
    & skf18("4","9","9","2","1","1","1") = "8"
    & skf18("4","9","9","2","1","2","1") = "8"
    & skf18("4","9","9","2","1","3","1") = "8"
    & skf18("4","9","9","2","1","4","1") = "8"
    & skf18("4","9","9","2","1","5","1") = "8"
    & skf18("4","9","9","2","1","6","1") = "8"
    & skf18("4","9","9","2","1","7","1") = "8"
    & skf18("4","9","9","2","1","8","1") = "8"
    & skf18("4","9","9","2","1","9","1") = "8"
    & skf18("4","9","9","2","1","10","1") = "9"
    & skf18("4","9","9","2","2","1","1") = "8"
    & skf18("4","9","9","2","2","2","1") = "8"
    & skf18("4","9","9","2","2","3","1") = "8"
    & skf18("4","9","9","2","2","4","1") = "8"
    & skf18("4","9","9","2","2","5","1") = "8"
    & skf18("4","9","9","2","2","6","1") = "8"
    & skf18("4","9","9","2","2","7","1") = "8"
    & skf18("4","9","9","2","2","8","1") = "8"
    & skf18("4","9","9","2","2","9","1") = "8"
    & skf18("4","9","9","2","2","10","1") = "9"
    & skf18("4","9","9","2","3","1","1") = "8"
    & skf18("4","9","9","2","3","2","1") = "8"
    & skf18("4","9","9","2","3","3","1") = "8"
    & skf18("4","9","9","2","3","4","1") = "8"
    & skf18("4","9","9","2","3","5","1") = "8"
    & skf18("4","9","9","2","3","6","1") = "8"
    & skf18("4","9","9","2","3","7","1") = "8"
    & skf18("4","9","9","2","3","8","1") = "8"
    & skf18("4","9","9","2","3","9","1") = "8"
    & skf18("4","9","9","2","3","10","1") = "9"
    & skf18("4","9","9","2","4","1","1") = "8"
    & skf18("4","9","9","2","4","2","1") = "8"
    & skf18("4","9","9","2","4","3","1") = "8"
    & skf18("4","9","9","2","4","4","1") = "8"
    & skf18("4","9","9","2","4","5","1") = "8"
    & skf18("4","9","9","2","4","6","1") = "8"
    & skf18("4","9","9","2","4","7","1") = "8"
    & skf18("4","9","9","2","4","8","1") = "8"
    & skf18("4","9","9","2","4","9","1") = "8"
    & skf18("4","9","9","2","4","10","1") = "9"
    & skf18("4","9","9","2","5","1","1") = "8"
    & skf18("4","9","9","2","5","2","1") = "8"
    & skf18("4","9","9","2","5","3","1") = "8"
    & skf18("4","9","9","2","5","4","1") = "8"
    & skf18("4","9","9","2","5","5","1") = "8"
    & skf18("4","9","9","2","5","6","1") = "8"
    & skf18("4","9","9","2","5","7","1") = "8"
    & skf18("4","9","9","2","5","8","1") = "8"
    & skf18("4","9","9","2","5","9","1") = "8"
    & skf18("4","9","9","2","5","10","1") = "9"
    & skf18("4","9","9","2","6","1","1") = "8"
    & skf18("4","9","9","2","6","2","1") = "8"
    & skf18("4","9","9","2","6","3","1") = "8"
    & skf18("4","9","9","2","6","4","1") = "8"
    & skf18("4","9","9","2","6","5","1") = "8"
    & skf18("4","9","9","2","6","6","1") = "8"
    & skf18("4","9","9","2","6","7","1") = "8"
    & skf18("4","9","9","2","6","8","1") = "8"
    & skf18("4","9","9","2","6","9","1") = "8"
    & skf18("4","9","9","2","6","10","1") = "9"
    & skf18("4","9","9","2","7","1","1") = "8"
    & skf18("4","9","9","2","7","2","1") = "8"
    & skf18("4","9","9","2","7","3","1") = "8"
    & skf18("4","9","9","2","7","4","1") = "8"
    & skf18("4","9","9","2","7","5","1") = "8"
    & skf18("4","9","9","2","7","6","1") = "8"
    & skf18("4","9","9","2","7","7","1") = "8"
    & skf18("4","9","9","2","7","8","1") = "8"
    & skf18("4","9","9","2","7","9","1") = "8"
    & skf18("4","9","9","2","7","10","1") = "9"
    & skf18("4","9","9","2","8","1","1") = "8"
    & skf18("4","9","9","2","8","2","1") = "8"
    & skf18("4","9","9","2","8","3","1") = "8"
    & skf18("4","9","9","2","8","4","1") = "8"
    & skf18("4","9","9","2","8","5","1") = "8"
    & skf18("4","9","9","2","8","6","1") = "8"
    & skf18("4","9","9","2","8","7","1") = "8"
    & skf18("4","9","9","2","8","8","1") = "8"
    & skf18("4","9","9","2","8","9","1") = "8"
    & skf18("4","9","9","2","8","10","1") = "9"
    & skf18("4","9","9","2","9","1","1") = "8"
    & skf18("4","9","9","2","9","2","1") = "8"
    & skf18("4","9","9","2","9","3","1") = "8"
    & skf18("4","9","9","2","9","4","1") = "8"
    & skf18("4","9","9","2","9","5","1") = "8"
    & skf18("4","9","9","2","9","6","1") = "8"
    & skf18("4","9","9","2","9","7","1") = "8"
    & skf18("4","9","9","2","9","8","1") = "8"
    & skf18("4","9","9","2","9","9","1") = "8"
    & skf18("4","9","9","2","9","10","1") = "9"
    & skf18("4","9","9","2","10","1","1") = "9"
    & skf18("4","9","9","2","10","2","1") = "9"
    & skf18("4","9","9","2","10","3","1") = "9"
    & skf18("4","9","9","2","10","4","1") = "9"
    & skf18("4","9","9","2","10","5","1") = "9"
    & skf18("4","9","9","2","10","6","1") = "9"
    & skf18("4","9","9","2","10","7","1") = "9"
    & skf18("4","9","9","2","10","8","1") = "9"
    & skf18("4","9","9","2","10","9","1") = "9"
    & skf18("4","9","9","2","10","10","1") = "9"
    & skf18("4","9","9","3","1","1","1") = "8"
    & skf18("4","9","9","3","1","2","1") = "8"
    & skf18("4","9","9","3","1","3","1") = "8"
    & skf18("4","9","9","3","1","4","1") = "8"
    & skf18("4","9","9","3","1","5","1") = "8"
    & skf18("4","9","9","3","1","6","1") = "8"
    & skf18("4","9","9","3","1","7","1") = "8"
    & skf18("4","9","9","3","1","8","1") = "8"
    & skf18("4","9","9","3","1","9","1") = "8"
    & skf18("4","9","9","3","1","10","1") = "9"
    & skf18("4","9","9","3","2","1","1") = "8"
    & skf18("4","9","9","3","2","2","1") = "8"
    & skf18("4","9","9","3","2","3","1") = "8"
    & skf18("4","9","9","3","2","4","1") = "8"
    & skf18("4","9","9","3","2","5","1") = "8"
    & skf18("4","9","9","3","2","6","1") = "8"
    & skf18("4","9","9","3","2","7","1") = "8"
    & skf18("4","9","9","3","2","8","1") = "8"
    & skf18("4","9","9","3","2","9","1") = "8"
    & skf18("4","9","9","3","2","10","1") = "9"
    & skf18("4","9","9","3","3","1","1") = "8"
    & skf18("4","9","9","3","3","2","1") = "8"
    & skf18("4","9","9","3","3","3","1") = "8"
    & skf18("4","9","9","3","3","4","1") = "8"
    & skf18("4","9","9","3","3","5","1") = "8"
    & skf18("4","9","9","3","3","6","1") = "8"
    & skf18("4","9","9","3","3","7","1") = "8"
    & skf18("4","9","9","3","3","8","1") = "8"
    & skf18("4","9","9","3","3","9","1") = "8"
    & skf18("4","9","9","3","3","10","1") = "9"
    & skf18("4","9","9","3","4","1","1") = "8"
    & skf18("4","9","9","3","4","2","1") = "8"
    & skf18("4","9","9","3","4","3","1") = "8"
    & skf18("4","9","9","3","4","4","1") = "8"
    & skf18("4","9","9","3","4","5","1") = "8"
    & skf18("4","9","9","3","4","6","1") = "8"
    & skf18("4","9","9","3","4","7","1") = "8"
    & skf18("4","9","9","3","4","8","1") = "8"
    & skf18("4","9","9","3","4","9","1") = "8"
    & skf18("4","9","9","3","4","10","1") = "9"
    & skf18("4","9","9","3","5","1","1") = "8"
    & skf18("4","9","9","3","5","2","1") = "8"
    & skf18("4","9","9","3","5","3","1") = "8"
    & skf18("4","9","9","3","5","4","1") = "8"
    & skf18("4","9","9","3","5","5","1") = "8"
    & skf18("4","9","9","3","5","6","1") = "8"
    & skf18("4","9","9","3","5","7","1") = "8"
    & skf18("4","9","9","3","5","8","1") = "8"
    & skf18("4","9","9","3","5","9","1") = "8"
    & skf18("4","9","9","3","5","10","1") = "9"
    & skf18("4","9","9","3","6","1","1") = "8"
    & skf18("4","9","9","3","6","2","1") = "8"
    & skf18("4","9","9","3","6","3","1") = "8"
    & skf18("4","9","9","3","6","4","1") = "8"
    & skf18("4","9","9","3","6","5","1") = "8"
    & skf18("4","9","9","3","6","6","1") = "8"
    & skf18("4","9","9","3","6","7","1") = "8"
    & skf18("4","9","9","3","6","8","1") = "8"
    & skf18("4","9","9","3","6","9","1") = "8"
    & skf18("4","9","9","3","6","10","1") = "9"
    & skf18("4","9","9","3","7","1","1") = "8"
    & skf18("4","9","9","3","7","2","1") = "8"
    & skf18("4","9","9","3","7","3","1") = "8"
    & skf18("4","9","9","3","7","4","1") = "8"
    & skf18("4","9","9","3","7","5","1") = "8"
    & skf18("4","9","9","3","7","6","1") = "8"
    & skf18("4","9","9","3","7","7","1") = "8"
    & skf18("4","9","9","3","7","8","1") = "8"
    & skf18("4","9","9","3","7","9","1") = "8"
    & skf18("4","9","9","3","7","10","1") = "9"
    & skf18("4","9","9","3","8","1","1") = "8"
    & skf18("4","9","9","3","8","2","1") = "8"
    & skf18("4","9","9","3","8","3","1") = "8"
    & skf18("4","9","9","3","8","4","1") = "8"
    & skf18("4","9","9","3","8","5","1") = "8"
    & skf18("4","9","9","3","8","6","1") = "8"
    & skf18("4","9","9","3","8","7","1") = "8"
    & skf18("4","9","9","3","8","8","1") = "8"
    & skf18("4","9","9","3","8","9","1") = "8"
    & skf18("4","9","9","3","8","10","1") = "9"
    & skf18("4","9","9","3","9","1","1") = "8"
    & skf18("4","9","9","3","9","2","1") = "8"
    & skf18("4","9","9","3","9","3","1") = "8"
    & skf18("4","9","9","3","9","4","1") = "8"
    & skf18("4","9","9","3","9","5","1") = "8"
    & skf18("4","9","9","3","9","6","1") = "8"
    & skf18("4","9","9","3","9","7","1") = "8"
    & skf18("4","9","9","3","9","8","1") = "8"
    & skf18("4","9","9","3","9","9","1") = "8"
    & skf18("4","9","9","3","9","10","1") = "9"
    & skf18("4","9","9","3","10","1","1") = "9"
    & skf18("4","9","9","3","10","2","1") = "9"
    & skf18("4","9","9","3","10","3","1") = "9"
    & skf18("4","9","9","3","10","4","1") = "9"
    & skf18("4","9","9","3","10","5","1") = "9"
    & skf18("4","9","9","3","10","6","1") = "9"
    & skf18("4","9","9","3","10","7","1") = "9"
    & skf18("4","9","9","3","10","8","1") = "9"
    & skf18("4","9","9","3","10","9","1") = "9"
    & skf18("4","9","9","3","10","10","1") = "9"
    & skf18("4","9","9","4","1","1","1") = "8"
    & skf18("4","9","9","4","1","2","1") = "8"
    & skf18("4","9","9","4","1","3","1") = "8"
    & skf18("4","9","9","4","1","4","1") = "8"
    & skf18("4","9","9","4","1","5","1") = "8"
    & skf18("4","9","9","4","1","6","1") = "8"
    & skf18("4","9","9","4","1","7","1") = "8"
    & skf18("4","9","9","4","1","8","1") = "8"
    & skf18("4","9","9","4","1","9","1") = "8"
    & skf18("4","9","9","4","1","10","1") = "9"
    & skf18("4","9","9","4","2","1","1") = "8"
    & skf18("4","9","9","4","2","2","1") = "8"
    & skf18("4","9","9","4","2","3","1") = "8"
    & skf18("4","9","9","4","2","4","1") = "8"
    & skf18("4","9","9","4","2","5","1") = "8"
    & skf18("4","9","9","4","2","6","1") = "8"
    & skf18("4","9","9","4","2","7","1") = "8"
    & skf18("4","9","9","4","2","8","1") = "8"
    & skf18("4","9","9","4","2","9","1") = "8"
    & skf18("4","9","9","4","2","10","1") = "9"
    & skf18("4","9","9","4","3","1","1") = "8"
    & skf18("4","9","9","4","3","2","1") = "8"
    & skf18("4","9","9","4","3","3","1") = "8"
    & skf18("4","9","9","4","3","4","1") = "8"
    & skf18("4","9","9","4","3","5","1") = "8"
    & skf18("4","9","9","4","3","6","1") = "8"
    & skf18("4","9","9","4","3","7","1") = "8"
    & skf18("4","9","9","4","3","8","1") = "8"
    & skf18("4","9","9","4","3","9","1") = "8"
    & skf18("4","9","9","4","3","10","1") = "9"
    & skf18("4","9","9","4","4","1","1") = "8"
    & skf18("4","9","9","4","4","2","1") = "8"
    & skf18("4","9","9","4","4","3","1") = "8"
    & skf18("4","9","9","4","4","4","1") = "8"
    & skf18("4","9","9","4","4","5","1") = "8"
    & skf18("4","9","9","4","4","6","1") = "8"
    & skf18("4","9","9","4","4","7","1") = "8"
    & skf18("4","9","9","4","4","8","1") = "8"
    & skf18("4","9","9","4","4","9","1") = "8"
    & skf18("4","9","9","4","4","10","1") = "9"
    & skf18("4","9","9","4","5","1","1") = "8"
    & skf18("4","9","9","4","5","2","1") = "8"
    & skf18("4","9","9","4","5","3","1") = "8"
    & skf18("4","9","9","4","5","4","1") = "8"
    & skf18("4","9","9","4","5","5","1") = "8"
    & skf18("4","9","9","4","5","6","1") = "8"
    & skf18("4","9","9","4","5","7","1") = "8"
    & skf18("4","9","9","4","5","8","1") = "8"
    & skf18("4","9","9","4","5","9","1") = "8"
    & skf18("4","9","9","4","5","10","1") = "9"
    & skf18("4","9","9","4","6","1","1") = "8"
    & skf18("4","9","9","4","6","2","1") = "8"
    & skf18("4","9","9","4","6","3","1") = "8"
    & skf18("4","9","9","4","6","4","1") = "8"
    & skf18("4","9","9","4","6","5","1") = "8"
    & skf18("4","9","9","4","6","6","1") = "8"
    & skf18("4","9","9","4","6","7","1") = "8"
    & skf18("4","9","9","4","6","8","1") = "8"
    & skf18("4","9","9","4","6","9","1") = "8"
    & skf18("4","9","9","4","6","10","1") = "9"
    & skf18("4","9","9","4","7","1","1") = "8"
    & skf18("4","9","9","4","7","2","1") = "8"
    & skf18("4","9","9","4","7","3","1") = "8"
    & skf18("4","9","9","4","7","4","1") = "8"
    & skf18("4","9","9","4","7","5","1") = "8"
    & skf18("4","9","9","4","7","6","1") = "8"
    & skf18("4","9","9","4","7","7","1") = "8"
    & skf18("4","9","9","4","7","8","1") = "8"
    & skf18("4","9","9","4","7","9","1") = "8"
    & skf18("4","9","9","4","7","10","1") = "9"
    & skf18("4","9","9","4","8","1","1") = "8"
    & skf18("4","9","9","4","8","2","1") = "8"
    & skf18("4","9","9","4","8","3","1") = "8"
    & skf18("4","9","9","4","8","4","1") = "8"
    & skf18("4","9","9","4","8","5","1") = "8"
    & skf18("4","9","9","4","8","6","1") = "8"
    & skf18("4","9","9","4","8","7","1") = "8"
    & skf18("4","9","9","4","8","8","1") = "8"
    & skf18("4","9","9","4","8","9","1") = "8"
    & skf18("4","9","9","4","8","10","1") = "9"
    & skf18("4","9","9","4","9","1","1") = "8"
    & skf18("4","9","9","4","9","2","1") = "8"
    & skf18("4","9","9","4","9","3","1") = "8"
    & skf18("4","9","9","4","9","4","1") = "8"
    & skf18("4","9","9","4","9","5","1") = "8"
    & skf18("4","9","9","4","9","6","1") = "8"
    & skf18("4","9","9","4","9","7","1") = "8"
    & skf18("4","9","9","4","9","8","1") = "8"
    & skf18("4","9","9","4","9","9","1") = "8"
    & skf18("4","9","9","4","9","10","1") = "9"
    & skf18("4","9","9","4","10","1","1") = "9"
    & skf18("4","9","9","4","10","2","1") = "9"
    & skf18("4","9","9","4","10","3","1") = "9"
    & skf18("4","9","9","4","10","4","1") = "9"
    & skf18("4","9","9","4","10","5","1") = "9"
    & skf18("4","9","9","4","10","6","1") = "9"
    & skf18("4","9","9","4","10","7","1") = "9"
    & skf18("4","9","9","4","10","8","1") = "9"
    & skf18("4","9","9","4","10","9","1") = "9"
    & skf18("4","9","9","4","10","10","1") = "9"
    & skf18("4","9","9","5","1","1","1") = "8"
    & skf18("4","9","9","5","1","2","1") = "8"
    & skf18("4","9","9","5","1","3","1") = "8"
    & skf18("4","9","9","5","1","4","1") = "8"
    & skf18("4","9","9","5","1","5","1") = "8"
    & skf18("4","9","9","5","1","6","1") = "8"
    & skf18("4","9","9","5","1","7","1") = "8"
    & skf18("4","9","9","5","1","8","1") = "8"
    & skf18("4","9","9","5","1","9","1") = "8"
    & skf18("4","9","9","5","1","10","1") = "9"
    & skf18("4","9","9","5","2","1","1") = "8"
    & skf18("4","9","9","5","2","2","1") = "8"
    & skf18("4","9","9","5","2","3","1") = "8"
    & skf18("4","9","9","5","2","4","1") = "8"
    & skf18("4","9","9","5","2","5","1") = "8"
    & skf18("4","9","9","5","2","6","1") = "8"
    & skf18("4","9","9","5","2","7","1") = "8"
    & skf18("4","9","9","5","2","8","1") = "8"
    & skf18("4","9","9","5","2","9","1") = "8"
    & skf18("4","9","9","5","2","10","1") = "9"
    & skf18("4","9","9","5","3","1","1") = "8"
    & skf18("4","9","9","5","3","2","1") = "8"
    & skf18("4","9","9","5","3","3","1") = "8"
    & skf18("4","9","9","5","3","4","1") = "8"
    & skf18("4","9","9","5","3","5","1") = "8"
    & skf18("4","9","9","5","3","6","1") = "8"
    & skf18("4","9","9","5","3","7","1") = "8"
    & skf18("4","9","9","5","3","8","1") = "8"
    & skf18("4","9","9","5","3","9","1") = "8"
    & skf18("4","9","9","5","3","10","1") = "9"
    & skf18("4","9","9","5","4","1","1") = "8"
    & skf18("4","9","9","5","4","2","1") = "8"
    & skf18("4","9","9","5","4","3","1") = "8"
    & skf18("4","9","9","5","4","4","1") = "8"
    & skf18("4","9","9","5","4","5","1") = "8"
    & skf18("4","9","9","5","4","6","1") = "8"
    & skf18("4","9","9","5","4","7","1") = "8"
    & skf18("4","9","9","5","4","8","1") = "8"
    & skf18("4","9","9","5","4","9","1") = "8"
    & skf18("4","9","9","5","4","10","1") = "9"
    & skf18("4","9","9","5","5","1","1") = "8"
    & skf18("4","9","9","5","5","2","1") = "8"
    & skf18("4","9","9","5","5","3","1") = "8"
    & skf18("4","9","9","5","5","4","1") = "8"
    & skf18("4","9","9","5","5","5","1") = "8"
    & skf18("4","9","9","5","5","6","1") = "8"
    & skf18("4","9","9","5","5","7","1") = "8"
    & skf18("4","9","9","5","5","8","1") = "8"
    & skf18("4","9","9","5","5","9","1") = "8"
    & skf18("4","9","9","5","5","10","1") = "9"
    & skf18("4","9","9","5","6","1","1") = "8"
    & skf18("4","9","9","5","6","2","1") = "8"
    & skf18("4","9","9","5","6","3","1") = "8"
    & skf18("4","9","9","5","6","4","1") = "8"
    & skf18("4","9","9","5","6","5","1") = "8"
    & skf18("4","9","9","5","6","6","1") = "8"
    & skf18("4","9","9","5","6","7","1") = "8"
    & skf18("4","9","9","5","6","8","1") = "8"
    & skf18("4","9","9","5","6","9","1") = "8"
    & skf18("4","9","9","5","6","10","1") = "9"
    & skf18("4","9","9","5","7","1","1") = "8"
    & skf18("4","9","9","5","7","2","1") = "8"
    & skf18("4","9","9","5","7","3","1") = "8"
    & skf18("4","9","9","5","7","4","1") = "8"
    & skf18("4","9","9","5","7","5","1") = "8"
    & skf18("4","9","9","5","7","6","1") = "8"
    & skf18("4","9","9","5","7","7","1") = "8"
    & skf18("4","9","9","5","7","8","1") = "8"
    & skf18("4","9","9","5","7","9","1") = "8"
    & skf18("4","9","9","5","7","10","1") = "9"
    & skf18("4","9","9","5","8","1","1") = "8"
    & skf18("4","9","9","5","8","2","1") = "8"
    & skf18("4","9","9","5","8","3","1") = "8"
    & skf18("4","9","9","5","8","4","1") = "8"
    & skf18("4","9","9","5","8","5","1") = "8"
    & skf18("4","9","9","5","8","6","1") = "8"
    & skf18("4","9","9","5","8","7","1") = "8"
    & skf18("4","9","9","5","8","8","1") = "8"
    & skf18("4","9","9","5","8","9","1") = "8"
    & skf18("4","9","9","5","8","10","1") = "9"
    & skf18("4","9","9","5","9","1","1") = "8"
    & skf18("4","9","9","5","9","2","1") = "8"
    & skf18("4","9","9","5","9","3","1") = "8"
    & skf18("4","9","9","5","9","4","1") = "8"
    & skf18("4","9","9","5","9","5","1") = "8"
    & skf18("4","9","9","5","9","6","1") = "8"
    & skf18("4","9","9","5","9","7","1") = "8"
    & skf18("4","9","9","5","9","8","1") = "8"
    & skf18("4","9","9","5","9","9","1") = "8"
    & skf18("4","9","9","5","9","10","1") = "9"
    & skf18("4","9","9","5","10","1","1") = "9"
    & skf18("4","9","9","5","10","2","1") = "9"
    & skf18("4","9","9","5","10","3","1") = "9"
    & skf18("4","9","9","5","10","4","1") = "9"
    & skf18("4","9","9","5","10","5","1") = "9"
    & skf18("4","9","9","5","10","6","1") = "9"
    & skf18("4","9","9","5","10","7","1") = "9"
    & skf18("4","9","9","5","10","8","1") = "9"
    & skf18("4","9","9","5","10","9","1") = "9"
    & skf18("4","9","9","5","10","10","1") = "9"
    & skf18("4","9","9","6","1","1","1") = "8"
    & skf18("4","9","9","6","1","2","1") = "8"
    & skf18("4","9","9","6","1","3","1") = "8"
    & skf18("4","9","9","6","1","4","1") = "8"
    & skf18("4","9","9","6","1","5","1") = "8"
    & skf18("4","9","9","6","1","6","1") = "8"
    & skf18("4","9","9","6","1","7","1") = "8"
    & skf18("4","9","9","6","1","8","1") = "8"
    & skf18("4","9","9","6","1","9","1") = "8"
    & skf18("4","9","9","6","1","10","1") = "9"
    & skf18("4","9","9","6","2","1","1") = "8"
    & skf18("4","9","9","6","2","2","1") = "8"
    & skf18("4","9","9","6","2","3","1") = "8"
    & skf18("4","9","9","6","2","4","1") = "8"
    & skf18("4","9","9","6","2","5","1") = "8"
    & skf18("4","9","9","6","2","6","1") = "8"
    & skf18("4","9","9","6","2","7","1") = "8"
    & skf18("4","9","9","6","2","8","1") = "8"
    & skf18("4","9","9","6","2","9","1") = "8"
    & skf18("4","9","9","6","2","10","1") = "9"
    & skf18("4","9","9","6","3","1","1") = "8"
    & skf18("4","9","9","6","3","2","1") = "8"
    & skf18("4","9","9","6","3","3","1") = "8"
    & skf18("4","9","9","6","3","4","1") = "8"
    & skf18("4","9","9","6","3","5","1") = "8"
    & skf18("4","9","9","6","3","6","1") = "8"
    & skf18("4","9","9","6","3","7","1") = "8"
    & skf18("4","9","9","6","3","8","1") = "8"
    & skf18("4","9","9","6","3","9","1") = "8"
    & skf18("4","9","9","6","3","10","1") = "9"
    & skf18("4","9","9","6","4","1","1") = "8"
    & skf18("4","9","9","6","4","2","1") = "8"
    & skf18("4","9","9","6","4","3","1") = "8"
    & skf18("4","9","9","6","4","4","1") = "8"
    & skf18("4","9","9","6","4","5","1") = "8"
    & skf18("4","9","9","6","4","6","1") = "8"
    & skf18("4","9","9","6","4","7","1") = "8"
    & skf18("4","9","9","6","4","8","1") = "8"
    & skf18("4","9","9","6","4","9","1") = "8"
    & skf18("4","9","9","6","4","10","1") = "9"
    & skf18("4","9","9","6","5","1","1") = "8"
    & skf18("4","9","9","6","5","2","1") = "8"
    & skf18("4","9","9","6","5","3","1") = "8"
    & skf18("4","9","9","6","5","4","1") = "8"
    & skf18("4","9","9","6","5","5","1") = "8"
    & skf18("4","9","9","6","5","6","1") = "8"
    & skf18("4","9","9","6","5","7","1") = "8"
    & skf18("4","9","9","6","5","8","1") = "8"
    & skf18("4","9","9","6","5","9","1") = "8"
    & skf18("4","9","9","6","5","10","1") = "9"
    & skf18("4","9","9","6","6","1","1") = "8"
    & skf18("4","9","9","6","6","2","1") = "8"
    & skf18("4","9","9","6","6","3","1") = "8"
    & skf18("4","9","9","6","6","4","1") = "8"
    & skf18("4","9","9","6","6","5","1") = "8"
    & skf18("4","9","9","6","6","6","1") = "8"
    & skf18("4","9","9","6","6","7","1") = "8"
    & skf18("4","9","9","6","6","8","1") = "8"
    & skf18("4","9","9","6","6","9","1") = "8"
    & skf18("4","9","9","6","6","10","1") = "9"
    & skf18("4","9","9","6","7","1","1") = "8"
    & skf18("4","9","9","6","7","2","1") = "8"
    & skf18("4","9","9","6","7","3","1") = "8"
    & skf18("4","9","9","6","7","4","1") = "8"
    & skf18("4","9","9","6","7","5","1") = "8"
    & skf18("4","9","9","6","7","6","1") = "8"
    & skf18("4","9","9","6","7","7","1") = "8"
    & skf18("4","9","9","6","7","8","1") = "8"
    & skf18("4","9","9","6","7","9","1") = "8"
    & skf18("4","9","9","6","7","10","1") = "9"
    & skf18("4","9","9","6","8","1","1") = "8"
    & skf18("4","9","9","6","8","2","1") = "8"
    & skf18("4","9","9","6","8","3","1") = "8"
    & skf18("4","9","9","6","8","4","1") = "8"
    & skf18("4","9","9","6","8","5","1") = "8"
    & skf18("4","9","9","6","8","6","1") = "8"
    & skf18("4","9","9","6","8","7","1") = "8"
    & skf18("4","9","9","6","8","8","1") = "8"
    & skf18("4","9","9","6","8","9","1") = "8"
    & skf18("4","9","9","6","8","10","1") = "9"
    & skf18("4","9","9","6","9","1","1") = "8"
    & skf18("4","9","9","6","9","2","1") = "8"
    & skf18("4","9","9","6","9","3","1") = "8"
    & skf18("4","9","9","6","9","4","1") = "8"
    & skf18("4","9","9","6","9","5","1") = "8"
    & skf18("4","9","9","6","9","6","1") = "8"
    & skf18("4","9","9","6","9","7","1") = "8"
    & skf18("4","9","9","6","9","8","1") = "8"
    & skf18("4","9","9","6","9","9","1") = "8"
    & skf18("4","9","9","6","9","10","1") = "9"
    & skf18("4","9","9","6","10","1","1") = "9"
    & skf18("4","9","9","6","10","2","1") = "9"
    & skf18("4","9","9","6","10","3","1") = "9"
    & skf18("4","9","9","6","10","4","1") = "9"
    & skf18("4","9","9","6","10","5","1") = "9"
    & skf18("4","9","9","6","10","6","1") = "9"
    & skf18("4","9","9","6","10","7","1") = "9"
    & skf18("4","9","9","6","10","8","1") = "9"
    & skf18("4","9","9","6","10","9","1") = "9"
    & skf18("4","9","9","6","10","10","1") = "9"
    & skf18("4","9","9","7","1","1","1") = "8"
    & skf18("4","9","9","7","1","2","1") = "8"
    & skf18("4","9","9","7","1","3","1") = "8"
    & skf18("4","9","9","7","1","4","1") = "8"
    & skf18("4","9","9","7","1","5","1") = "8"
    & skf18("4","9","9","7","1","6","1") = "8"
    & skf18("4","9","9","7","1","7","1") = "8"
    & skf18("4","9","9","7","1","8","1") = "8"
    & skf18("4","9","9","7","1","9","1") = "8"
    & skf18("4","9","9","7","1","10","1") = "9"
    & skf18("4","9","9","7","2","1","1") = "8"
    & skf18("4","9","9","7","2","2","1") = "8"
    & skf18("4","9","9","7","2","3","1") = "8"
    & skf18("4","9","9","7","2","4","1") = "8"
    & skf18("4","9","9","7","2","5","1") = "8"
    & skf18("4","9","9","7","2","6","1") = "8"
    & skf18("4","9","9","7","2","7","1") = "8"
    & skf18("4","9","9","7","2","8","1") = "8"
    & skf18("4","9","9","7","2","9","1") = "8"
    & skf18("4","9","9","7","2","10","1") = "9"
    & skf18("4","9","9","7","3","1","1") = "8"
    & skf18("4","9","9","7","3","2","1") = "8"
    & skf18("4","9","9","7","3","3","1") = "8"
    & skf18("4","9","9","7","3","4","1") = "8"
    & skf18("4","9","9","7","3","5","1") = "8"
    & skf18("4","9","9","7","3","6","1") = "8"
    & skf18("4","9","9","7","3","7","1") = "8"
    & skf18("4","9","9","7","3","8","1") = "8"
    & skf18("4","9","9","7","3","9","1") = "8"
    & skf18("4","9","9","7","3","10","1") = "9"
    & skf18("4","9","9","7","4","1","1") = "8"
    & skf18("4","9","9","7","4","2","1") = "8"
    & skf18("4","9","9","7","4","3","1") = "8"
    & skf18("4","9","9","7","4","4","1") = "8"
    & skf18("4","9","9","7","4","5","1") = "8"
    & skf18("4","9","9","7","4","6","1") = "8"
    & skf18("4","9","9","7","4","7","1") = "8"
    & skf18("4","9","9","7","4","8","1") = "8"
    & skf18("4","9","9","7","4","9","1") = "8"
    & skf18("4","9","9","7","4","10","1") = "9"
    & skf18("4","9","9","7","5","1","1") = "8"
    & skf18("4","9","9","7","5","2","1") = "8"
    & skf18("4","9","9","7","5","3","1") = "8"
    & skf18("4","9","9","7","5","4","1") = "8"
    & skf18("4","9","9","7","5","5","1") = "8"
    & skf18("4","9","9","7","5","6","1") = "8"
    & skf18("4","9","9","7","5","7","1") = "8"
    & skf18("4","9","9","7","5","8","1") = "8"
    & skf18("4","9","9","7","5","9","1") = "8"
    & skf18("4","9","9","7","5","10","1") = "9"
    & skf18("4","9","9","7","6","1","1") = "8"
    & skf18("4","9","9","7","6","2","1") = "8"
    & skf18("4","9","9","7","6","3","1") = "8"
    & skf18("4","9","9","7","6","4","1") = "8"
    & skf18("4","9","9","7","6","5","1") = "8"
    & skf18("4","9","9","7","6","6","1") = "8"
    & skf18("4","9","9","7","6","7","1") = "8"
    & skf18("4","9","9","7","6","8","1") = "8"
    & skf18("4","9","9","7","6","9","1") = "8"
    & skf18("4","9","9","7","6","10","1") = "9"
    & skf18("4","9","9","7","7","1","1") = "8"
    & skf18("4","9","9","7","7","2","1") = "8"
    & skf18("4","9","9","7","7","3","1") = "8"
    & skf18("4","9","9","7","7","4","1") = "8"
    & skf18("4","9","9","7","7","5","1") = "8"
    & skf18("4","9","9","7","7","6","1") = "8"
    & skf18("4","9","9","7","7","7","1") = "8"
    & skf18("4","9","9","7","7","8","1") = "8"
    & skf18("4","9","9","7","7","9","1") = "8"
    & skf18("4","9","9","7","7","10","1") = "9"
    & skf18("4","9","9","7","8","1","1") = "8"
    & skf18("4","9","9","7","8","2","1") = "8"
    & skf18("4","9","9","7","8","3","1") = "8"
    & skf18("4","9","9","7","8","4","1") = "8"
    & skf18("4","9","9","7","8","5","1") = "8"
    & skf18("4","9","9","7","8","6","1") = "8"
    & skf18("4","9","9","7","8","7","1") = "8"
    & skf18("4","9","9","7","8","8","1") = "8"
    & skf18("4","9","9","7","8","9","1") = "8"
    & skf18("4","9","9","7","8","10","1") = "9"
    & skf18("4","9","9","7","9","1","1") = "8"
    & skf18("4","9","9","7","9","2","1") = "8"
    & skf18("4","9","9","7","9","3","1") = "8"
    & skf18("4","9","9","7","9","4","1") = "8"
    & skf18("4","9","9","7","9","5","1") = "8"
    & skf18("4","9","9","7","9","6","1") = "8"
    & skf18("4","9","9","7","9","7","1") = "8"
    & skf18("4","9","9","7","9","8","1") = "8"
    & skf18("4","9","9","7","9","9","1") = "8"
    & skf18("4","9","9","7","9","10","1") = "9"
    & skf18("4","9","9","7","10","1","1") = "9"
    & skf18("4","9","9","7","10","2","1") = "9"
    & skf18("4","9","9","7","10","3","1") = "9"
    & skf18("4","9","9","7","10","4","1") = "9"
    & skf18("4","9","9","7","10","5","1") = "9"
    & skf18("4","9","9","7","10","6","1") = "9"
    & skf18("4","9","9","7","10","7","1") = "9"
    & skf18("4","9","9","7","10","8","1") = "9"
    & skf18("4","9","9","7","10","9","1") = "9"
    & skf18("4","9","9","7","10","10","1") = "9"
    & skf18("4","9","9","8","1","1","1") = "8"
    & skf18("4","9","9","8","1","2","1") = "8"
    & skf18("4","9","9","8","1","3","1") = "8"
    & skf18("4","9","9","8","1","4","1") = "8"
    & skf18("4","9","9","8","1","5","1") = "8"
    & skf18("4","9","9","8","1","6","1") = "8"
    & skf18("4","9","9","8","1","7","1") = "8"
    & skf18("4","9","9","8","1","8","1") = "8"
    & skf18("4","9","9","8","1","9","1") = "8"
    & skf18("4","9","9","8","1","10","1") = "9"
    & skf18("4","9","9","8","2","1","1") = "8"
    & skf18("4","9","9","8","2","2","1") = "8"
    & skf18("4","9","9","8","2","3","1") = "8"
    & skf18("4","9","9","8","2","4","1") = "8"
    & skf18("4","9","9","8","2","5","1") = "8"
    & skf18("4","9","9","8","2","6","1") = "8"
    & skf18("4","9","9","8","2","7","1") = "8"
    & skf18("4","9","9","8","2","8","1") = "8"
    & skf18("4","9","9","8","2","9","1") = "8"
    & skf18("4","9","9","8","2","10","1") = "9"
    & skf18("4","9","9","8","3","1","1") = "8"
    & skf18("4","9","9","8","3","2","1") = "8"
    & skf18("4","9","9","8","3","3","1") = "8"
    & skf18("4","9","9","8","3","4","1") = "8"
    & skf18("4","9","9","8","3","5","1") = "8"
    & skf18("4","9","9","8","3","6","1") = "8"
    & skf18("4","9","9","8","3","7","1") = "8"
    & skf18("4","9","9","8","3","8","1") = "8"
    & skf18("4","9","9","8","3","9","1") = "8"
    & skf18("4","9","9","8","3","10","1") = "9"
    & skf18("4","9","9","8","4","1","1") = "8"
    & skf18("4","9","9","8","4","2","1") = "8"
    & skf18("4","9","9","8","4","3","1") = "8"
    & skf18("4","9","9","8","4","4","1") = "8"
    & skf18("4","9","9","8","4","5","1") = "8"
    & skf18("4","9","9","8","4","6","1") = "8"
    & skf18("4","9","9","8","4","7","1") = "8"
    & skf18("4","9","9","8","4","8","1") = "8"
    & skf18("4","9","9","8","4","9","1") = "8"
    & skf18("4","9","9","8","4","10","1") = "9"
    & skf18("4","9","9","8","5","1","1") = "8"
    & skf18("4","9","9","8","5","2","1") = "8"
    & skf18("4","9","9","8","5","3","1") = "8"
    & skf18("4","9","9","8","5","4","1") = "8"
    & skf18("4","9","9","8","5","5","1") = "8"
    & skf18("4","9","9","8","5","6","1") = "8"
    & skf18("4","9","9","8","5","7","1") = "8"
    & skf18("4","9","9","8","5","8","1") = "8"
    & skf18("4","9","9","8","5","9","1") = "8"
    & skf18("4","9","9","8","5","10","1") = "9"
    & skf18("4","9","9","8","6","1","1") = "8"
    & skf18("4","9","9","8","6","2","1") = "8"
    & skf18("4","9","9","8","6","3","1") = "8"
    & skf18("4","9","9","8","6","4","1") = "8"
    & skf18("4","9","9","8","6","5","1") = "8"
    & skf18("4","9","9","8","6","6","1") = "8"
    & skf18("4","9","9","8","6","7","1") = "8"
    & skf18("4","9","9","8","6","8","1") = "8"
    & skf18("4","9","9","8","6","9","1") = "8"
    & skf18("4","9","9","8","6","10","1") = "9"
    & skf18("4","9","9","8","7","1","1") = "8"
    & skf18("4","9","9","8","7","2","1") = "8"
    & skf18("4","9","9","8","7","3","1") = "8"
    & skf18("4","9","9","8","7","4","1") = "8"
    & skf18("4","9","9","8","7","5","1") = "8"
    & skf18("4","9","9","8","7","6","1") = "8"
    & skf18("4","9","9","8","7","7","1") = "8"
    & skf18("4","9","9","8","7","8","1") = "8"
    & skf18("4","9","9","8","7","9","1") = "8"
    & skf18("4","9","9","8","7","10","1") = "9"
    & skf18("4","9","9","8","8","1","1") = "8"
    & skf18("4","9","9","8","8","2","1") = "8"
    & skf18("4","9","9","8","8","3","1") = "8"
    & skf18("4","9","9","8","8","4","1") = "8"
    & skf18("4","9","9","8","8","5","1") = "8"
    & skf18("4","9","9","8","8","6","1") = "8"
    & skf18("4","9","9","8","8","7","1") = "8"
    & skf18("4","9","9","8","8","8","1") = "8"
    & skf18("4","9","9","8","8","9","1") = "8"
    & skf18("4","9","9","8","8","10","1") = "9"
    & skf18("4","9","9","8","9","1","1") = "8"
    & skf18("4","9","9","8","9","2","1") = "8"
    & skf18("4","9","9","8","9","3","1") = "8"
    & skf18("4","9","9","8","9","4","1") = "8"
    & skf18("4","9","9","8","9","5","1") = "8"
    & skf18("4","9","9","8","9","6","1") = "8"
    & skf18("4","9","9","8","9","7","1") = "8"
    & skf18("4","9","9","8","9","8","1") = "8"
    & skf18("4","9","9","8","9","9","1") = "8"
    & skf18("4","9","9","8","9","10","1") = "9"
    & skf18("4","9","9","8","10","1","1") = "9"
    & skf18("4","9","9","8","10","2","1") = "9"
    & skf18("4","9","9","8","10","3","1") = "9"
    & skf18("4","9","9","8","10","4","1") = "9"
    & skf18("4","9","9","8","10","5","1") = "9"
    & skf18("4","9","9","8","10","6","1") = "9"
    & skf18("4","9","9","8","10","7","1") = "9"
    & skf18("4","9","9","8","10","8","1") = "9"
    & skf18("4","9","9","8","10","9","1") = "9"
    & skf18("4","9","9","8","10","10","1") = "9"
    & skf18("4","9","9","9","1","1","1") = "8"
    & skf18("4","9","9","9","1","2","1") = "8"
    & skf18("4","9","9","9","1","3","1") = "8"
    & skf18("4","9","9","9","1","4","1") = "8"
    & skf18("4","9","9","9","1","5","1") = "8"
    & skf18("4","9","9","9","1","6","1") = "8"
    & skf18("4","9","9","9","1","7","1") = "8"
    & skf18("4","9","9","9","1","8","1") = "8"
    & skf18("4","9","9","9","1","9","1") = "8"
    & skf18("4","9","9","9","1","10","1") = "9"
    & skf18("4","9","9","9","2","1","1") = "8"
    & skf18("4","9","9","9","2","2","1") = "8"
    & skf18("4","9","9","9","2","3","1") = "8"
    & skf18("4","9","9","9","2","4","1") = "8"
    & skf18("4","9","9","9","2","5","1") = "8"
    & skf18("4","9","9","9","2","6","1") = "8"
    & skf18("4","9","9","9","2","7","1") = "8"
    & skf18("4","9","9","9","2","8","1") = "8"
    & skf18("4","9","9","9","2","9","1") = "8"
    & skf18("4","9","9","9","2","10","1") = "9"
    & skf18("4","9","9","9","3","1","1") = "8"
    & skf18("4","9","9","9","3","2","1") = "8"
    & skf18("4","9","9","9","3","3","1") = "8"
    & skf18("4","9","9","9","3","4","1") = "8"
    & skf18("4","9","9","9","3","5","1") = "8"
    & skf18("4","9","9","9","3","6","1") = "8"
    & skf18("4","9","9","9","3","7","1") = "8"
    & skf18("4","9","9","9","3","8","1") = "8"
    & skf18("4","9","9","9","3","9","1") = "8"
    & skf18("4","9","9","9","3","10","1") = "9"
    & skf18("4","9","9","9","4","1","1") = "8"
    & skf18("4","9","9","9","4","2","1") = "8"
    & skf18("4","9","9","9","4","3","1") = "8"
    & skf18("4","9","9","9","4","4","1") = "8"
    & skf18("4","9","9","9","4","5","1") = "8"
    & skf18("4","9","9","9","4","6","1") = "8"
    & skf18("4","9","9","9","4","7","1") = "8"
    & skf18("4","9","9","9","4","8","1") = "8"
    & skf18("4","9","9","9","4","9","1") = "8"
    & skf18("4","9","9","9","4","10","1") = "9"
    & skf18("4","9","9","9","5","1","1") = "8"
    & skf18("4","9","9","9","5","2","1") = "8"
    & skf18("4","9","9","9","5","3","1") = "8"
    & skf18("4","9","9","9","5","4","1") = "8"
    & skf18("4","9","9","9","5","5","1") = "8"
    & skf18("4","9","9","9","5","6","1") = "8"
    & skf18("4","9","9","9","5","7","1") = "8"
    & skf18("4","9","9","9","5","8","1") = "8"
    & skf18("4","9","9","9","5","9","1") = "8"
    & skf18("4","9","9","9","5","10","1") = "9"
    & skf18("4","9","9","9","6","1","1") = "8"
    & skf18("4","9","9","9","6","2","1") = "8"
    & skf18("4","9","9","9","6","3","1") = "8"
    & skf18("4","9","9","9","6","4","1") = "8"
    & skf18("4","9","9","9","6","5","1") = "8"
    & skf18("4","9","9","9","6","6","1") = "8"
    & skf18("4","9","9","9","6","7","1") = "8"
    & skf18("4","9","9","9","6","8","1") = "8"
    & skf18("4","9","9","9","6","9","1") = "8"
    & skf18("4","9","9","9","6","10","1") = "9"
    & skf18("4","9","9","9","7","1","1") = "8"
    & skf18("4","9","9","9","7","2","1") = "8"
    & skf18("4","9","9","9","7","3","1") = "8"
    & skf18("4","9","9","9","7","4","1") = "8"
    & skf18("4","9","9","9","7","5","1") = "8"
    & skf18("4","9","9","9","7","6","1") = "8"
    & skf18("4","9","9","9","7","7","1") = "8"
    & skf18("4","9","9","9","7","8","1") = "8"
    & skf18("4","9","9","9","7","9","1") = "8"
    & skf18("4","9","9","9","7","10","1") = "9"
    & skf18("4","9","9","9","8","1","1") = "8"
    & skf18("4","9","9","9","8","2","1") = "8"
    & skf18("4","9","9","9","8","3","1") = "8"
    & skf18("4","9","9","9","8","4","1") = "8"
    & skf18("4","9","9","9","8","5","1") = "8"
    & skf18("4","9","9","9","8","6","1") = "8"
    & skf18("4","9","9","9","8","7","1") = "8"
    & skf18("4","9","9","9","8","8","1") = "8"
    & skf18("4","9","9","9","8","9","1") = "8"
    & skf18("4","9","9","9","8","10","1") = "9"
    & skf18("4","9","9","9","9","1","1") = "8"
    & skf18("4","9","9","9","9","2","1") = "8"
    & skf18("4","9","9","9","9","3","1") = "8"
    & skf18("4","9","9","9","9","4","1") = "8"
    & skf18("4","9","9","9","9","5","1") = "8"
    & skf18("4","9","9","9","9","6","1") = "8"
    & skf18("4","9","9","9","9","7","1") = "8"
    & skf18("4","9","9","9","9","8","1") = "8"
    & skf18("4","9","9","9","9","9","1") = "8"
    & skf18("4","9","9","9","9","10","1") = "9"
    & skf18("4","9","9","9","10","1","1") = "9"
    & skf18("4","9","9","9","10","2","1") = "9"
    & skf18("4","9","9","9","10","3","1") = "9"
    & skf18("4","9","9","9","10","4","1") = "9"
    & skf18("4","9","9","9","10","5","1") = "9"
    & skf18("4","9","9","9","10","6","1") = "9"
    & skf18("4","9","9","9","10","7","1") = "9"
    & skf18("4","9","9","9","10","8","1") = "9"
    & skf18("4","9","9","9","10","9","1") = "9"
    & skf18("4","9","9","9","10","10","1") = "9"
    & skf18("4","9","9","10","1","1","1") = "9"
    & skf18("4","9","9","10","1","2","1") = "9"
    & skf18("4","9","9","10","1","3","1") = "9"
    & skf18("4","9","9","10","1","4","1") = "9"
    & skf18("4","9","9","10","1","5","1") = "9"
    & skf18("4","9","9","10","1","6","1") = "9"
    & skf18("4","9","9","10","1","7","1") = "9"
    & skf18("4","9","9","10","1","8","1") = "9"
    & skf18("4","9","9","10","1","9","1") = "9"
    & skf18("4","9","9","10","1","10","1") = "9"
    & skf18("4","9","9","10","2","1","1") = "9"
    & skf18("4","9","9","10","2","2","1") = "9"
    & skf18("4","9","9","10","2","3","1") = "9"
    & skf18("4","9","9","10","2","4","1") = "9"
    & skf18("4","9","9","10","2","5","1") = "9"
    & skf18("4","9","9","10","2","6","1") = "9"
    & skf18("4","9","9","10","2","7","1") = "9"
    & skf18("4","9","9","10","2","8","1") = "9"
    & skf18("4","9","9","10","2","9","1") = "9"
    & skf18("4","9","9","10","2","10","1") = "9"
    & skf18("4","9","9","10","3","1","1") = "9"
    & skf18("4","9","9","10","3","2","1") = "9"
    & skf18("4","9","9","10","3","3","1") = "9"
    & skf18("4","9","9","10","3","4","1") = "9"
    & skf18("4","9","9","10","3","5","1") = "9"
    & skf18("4","9","9","10","3","6","1") = "9"
    & skf18("4","9","9","10","3","7","1") = "9"
    & skf18("4","9","9","10","3","8","1") = "9"
    & skf18("4","9","9","10","3","9","1") = "9"
    & skf18("4","9","9","10","3","10","1") = "9"
    & skf18("4","9","9","10","4","1","1") = "9"
    & skf18("4","9","9","10","4","2","1") = "9"
    & skf18("4","9","9","10","4","3","1") = "9"
    & skf18("4","9","9","10","4","4","1") = "9"
    & skf18("4","9","9","10","4","5","1") = "9"
    & skf18("4","9","9","10","4","6","1") = "9"
    & skf18("4","9","9","10","4","7","1") = "9"
    & skf18("4","9","9","10","4","8","1") = "9"
    & skf18("4","9","9","10","4","9","1") = "9"
    & skf18("4","9","9","10","4","10","1") = "9"
    & skf18("4","9","9","10","5","1","1") = "9"
    & skf18("4","9","9","10","5","2","1") = "9"
    & skf18("4","9","9","10","5","3","1") = "9"
    & skf18("4","9","9","10","5","4","1") = "9"
    & skf18("4","9","9","10","5","5","1") = "9"
    & skf18("4","9","9","10","5","6","1") = "9"
    & skf18("4","9","9","10","5","7","1") = "9"
    & skf18("4","9","9","10","5","8","1") = "9"
    & skf18("4","9","9","10","5","9","1") = "9"
    & skf18("4","9","9","10","5","10","1") = "9"
    & skf18("4","9","9","10","6","1","1") = "9"
    & skf18("4","9","9","10","6","2","1") = "9"
    & skf18("4","9","9","10","6","3","1") = "9"
    & skf18("4","9","9","10","6","4","1") = "9"
    & skf18("4","9","9","10","6","5","1") = "9"
    & skf18("4","9","9","10","6","6","1") = "9"
    & skf18("4","9","9","10","6","7","1") = "9"
    & skf18("4","9","9","10","6","8","1") = "9"
    & skf18("4","9","9","10","6","9","1") = "9"
    & skf18("4","9","9","10","6","10","1") = "9"
    & skf18("4","9","9","10","7","1","1") = "9"
    & skf18("4","9","9","10","7","2","1") = "9"
    & skf18("4","9","9","10","7","3","1") = "9"
    & skf18("4","9","9","10","7","4","1") = "9"
    & skf18("4","9","9","10","7","5","1") = "9"
    & skf18("4","9","9","10","7","6","1") = "9"
    & skf18("4","9","9","10","7","7","1") = "9"
    & skf18("4","9","9","10","7","8","1") = "9"
    & skf18("4","9","9","10","7","9","1") = "9"
    & skf18("4","9","9","10","7","10","1") = "9"
    & skf18("4","9","9","10","8","1","1") = "9"
    & skf18("4","9","9","10","8","2","1") = "9"
    & skf18("4","9","9","10","8","3","1") = "9"
    & skf18("4","9","9","10","8","4","1") = "9"
    & skf18("4","9","9","10","8","5","1") = "9"
    & skf18("4","9","9","10","8","6","1") = "9"
    & skf18("4","9","9","10","8","7","1") = "9"
    & skf18("4","9","9","10","8","8","1") = "9"
    & skf18("4","9","9","10","8","9","1") = "9"
    & skf18("4","9","9","10","8","10","1") = "9"
    & skf18("4","9","9","10","9","1","1") = "9"
    & skf18("4","9","9","10","9","2","1") = "9"
    & skf18("4","9","9","10","9","3","1") = "9"
    & skf18("4","9","9","10","9","4","1") = "9"
    & skf18("4","9","9","10","9","5","1") = "9"
    & skf18("4","9","9","10","9","6","1") = "9"
    & skf18("4","9","9","10","9","7","1") = "9"
    & skf18("4","9","9","10","9","8","1") = "9"
    & skf18("4","9","9","10","9","9","1") = "9"
    & skf18("4","9","9","10","9","10","1") = "9"
    & skf18("4","9","9","10","10","1","1") = "9"
    & skf18("4","9","9","10","10","2","1") = "9"
    & skf18("4","9","9","10","10","3","1") = "9"
    & skf18("4","9","9","10","10","4","1") = "9"
    & skf18("4","9","9","10","10","5","1") = "9"
    & skf18("4","9","9","10","10","6","1") = "9"
    & skf18("4","9","9","10","10","7","1") = "9"
    & skf18("4","9","9","10","10","8","1") = "9"
    & skf18("4","9","9","10","10","9","1") = "9"
    & skf18("4","9","9","10","10","10","1") = "9"
    & skf18("4","9","10","1","1","1","1") = "9"
    & skf18("4","9","10","1","1","2","1") = "9"
    & skf18("4","9","10","1","1","3","1") = "9"
    & skf18("4","9","10","1","1","4","1") = "9"
    & skf18("4","9","10","1","1","5","1") = "9"
    & skf18("4","9","10","1","1","6","1") = "9"
    & skf18("4","9","10","1","1","7","1") = "9"
    & skf18("4","9","10","1","1","8","1") = "9"
    & skf18("4","9","10","1","1","9","1") = "9"
    & skf18("4","9","10","1","1","10","1") = "9"
    & skf18("4","9","10","1","2","1","1") = "9"
    & skf18("4","9","10","1","2","2","1") = "9"
    & skf18("4","9","10","1","2","3","1") = "9"
    & skf18("4","9","10","1","2","4","1") = "9"
    & skf18("4","9","10","1","2","5","1") = "9"
    & skf18("4","9","10","1","2","6","1") = "9"
    & skf18("4","9","10","1","2","7","1") = "9"
    & skf18("4","9","10","1","2","8","1") = "9"
    & skf18("4","9","10","1","2","9","1") = "9"
    & skf18("4","9","10","1","2","10","1") = "9"
    & skf18("4","9","10","1","3","1","1") = "9"
    & skf18("4","9","10","1","3","2","1") = "9"
    & skf18("4","9","10","1","3","3","1") = "9"
    & skf18("4","9","10","1","3","4","1") = "9"
    & skf18("4","9","10","1","3","5","1") = "9"
    & skf18("4","9","10","1","3","6","1") = "9"
    & skf18("4","9","10","1","3","7","1") = "9"
    & skf18("4","9","10","1","3","8","1") = "9"
    & skf18("4","9","10","1","3","9","1") = "9"
    & skf18("4","9","10","1","3","10","1") = "9"
    & skf18("4","9","10","1","4","1","1") = "9"
    & skf18("4","9","10","1","4","2","1") = "9"
    & skf18("4","9","10","1","4","3","1") = "9"
    & skf18("4","9","10","1","4","4","1") = "9"
    & skf18("4","9","10","1","4","5","1") = "9"
    & skf18("4","9","10","1","4","6","1") = "9"
    & skf18("4","9","10","1","4","7","1") = "9"
    & skf18("4","9","10","1","4","8","1") = "9"
    & skf18("4","9","10","1","4","9","1") = "9"
    & skf18("4","9","10","1","4","10","1") = "9"
    & skf18("4","9","10","1","5","1","1") = "9"
    & skf18("4","9","10","1","5","2","1") = "9"
    & skf18("4","9","10","1","5","3","1") = "9"
    & skf18("4","9","10","1","5","4","1") = "9"
    & skf18("4","9","10","1","5","5","1") = "9"
    & skf18("4","9","10","1","5","6","1") = "9"
    & skf18("4","9","10","1","5","7","1") = "9"
    & skf18("4","9","10","1","5","8","1") = "9"
    & skf18("4","9","10","1","5","9","1") = "9"
    & skf18("4","9","10","1","5","10","1") = "9"
    & skf18("4","9","10","1","6","1","1") = "9"
    & skf18("4","9","10","1","6","2","1") = "9"
    & skf18("4","9","10","1","6","3","1") = "9"
    & skf18("4","9","10","1","6","4","1") = "9"
    & skf18("4","9","10","1","6","5","1") = "9"
    & skf18("4","9","10","1","6","6","1") = "9"
    & skf18("4","9","10","1","6","7","1") = "9"
    & skf18("4","9","10","1","6","8","1") = "9"
    & skf18("4","9","10","1","6","9","1") = "9"
    & skf18("4","9","10","1","6","10","1") = "9"
    & skf18("4","9","10","1","7","1","1") = "9"
    & skf18("4","9","10","1","7","2","1") = "9"
    & skf18("4","9","10","1","7","3","1") = "9"
    & skf18("4","9","10","1","7","4","1") = "9"
    & skf18("4","9","10","1","7","5","1") = "9"
    & skf18("4","9","10","1","7","6","1") = "9"
    & skf18("4","9","10","1","7","7","1") = "9"
    & skf18("4","9","10","1","7","8","1") = "9"
    & skf18("4","9","10","1","7","9","1") = "9"
    & skf18("4","9","10","1","7","10","1") = "9"
    & skf18("4","9","10","1","8","1","1") = "9"
    & skf18("4","9","10","1","8","2","1") = "9"
    & skf18("4","9","10","1","8","3","1") = "9"
    & skf18("4","9","10","1","8","4","1") = "9"
    & skf18("4","9","10","1","8","5","1") = "9"
    & skf18("4","9","10","1","8","6","1") = "9"
    & skf18("4","9","10","1","8","7","1") = "9"
    & skf18("4","9","10","1","8","8","1") = "9"
    & skf18("4","9","10","1","8","9","1") = "9"
    & skf18("4","9","10","1","8","10","1") = "9"
    & skf18("4","9","10","1","9","1","1") = "9"
    & skf18("4","9","10","1","9","2","1") = "9"
    & skf18("4","9","10","1","9","3","1") = "9"
    & skf18("4","9","10","1","9","4","1") = "9"
    & skf18("4","9","10","1","9","5","1") = "9"
    & skf18("4","9","10","1","9","6","1") = "9"
    & skf18("4","9","10","1","9","7","1") = "9"
    & skf18("4","9","10","1","9","8","1") = "9"
    & skf18("4","9","10","1","9","9","1") = "9"
    & skf18("4","9","10","1","9","10","1") = "9"
    & skf18("4","9","10","1","10","1","1") = "9"
    & skf18("4","9","10","1","10","2","1") = "9"
    & skf18("4","9","10","1","10","3","1") = "9"
    & skf18("4","9","10","1","10","4","1") = "9"
    & skf18("4","9","10","1","10","5","1") = "9"
    & skf18("4","9","10","1","10","6","1") = "9"
    & skf18("4","9","10","1","10","7","1") = "9"
    & skf18("4","9","10","1","10","8","1") = "9"
    & skf18("4","9","10","1","10","9","1") = "9"
    & skf18("4","9","10","1","10","10","1") = "9"
    & skf18("4","9","10","2","1","1","1") = "9"
    & skf18("4","9","10","2","1","2","1") = "9"
    & skf18("4","9","10","2","1","3","1") = "9"
    & skf18("4","9","10","2","1","4","1") = "9"
    & skf18("4","9","10","2","1","5","1") = "9"
    & skf18("4","9","10","2","1","6","1") = "9"
    & skf18("4","9","10","2","1","7","1") = "9"
    & skf18("4","9","10","2","1","8","1") = "9"
    & skf18("4","9","10","2","1","9","1") = "9"
    & skf18("4","9","10","2","1","10","1") = "9"
    & skf18("4","9","10","2","2","1","1") = "9"
    & skf18("4","9","10","2","2","2","1") = "9"
    & skf18("4","9","10","2","2","3","1") = "9"
    & skf18("4","9","10","2","2","4","1") = "9"
    & skf18("4","9","10","2","2","5","1") = "9"
    & skf18("4","9","10","2","2","6","1") = "9"
    & skf18("4","9","10","2","2","7","1") = "9"
    & skf18("4","9","10","2","2","8","1") = "9"
    & skf18("4","9","10","2","2","9","1") = "9"
    & skf18("4","9","10","2","2","10","1") = "9"
    & skf18("4","9","10","2","3","1","1") = "9"
    & skf18("4","9","10","2","3","2","1") = "9"
    & skf18("4","9","10","2","3","3","1") = "9"
    & skf18("4","9","10","2","3","4","1") = "9"
    & skf18("4","9","10","2","3","5","1") = "9"
    & skf18("4","9","10","2","3","6","1") = "9"
    & skf18("4","9","10","2","3","7","1") = "9"
    & skf18("4","9","10","2","3","8","1") = "9"
    & skf18("4","9","10","2","3","9","1") = "9"
    & skf18("4","9","10","2","3","10","1") = "9"
    & skf18("4","9","10","2","4","1","1") = "9"
    & skf18("4","9","10","2","4","2","1") = "9"
    & skf18("4","9","10","2","4","3","1") = "9"
    & skf18("4","9","10","2","4","4","1") = "9"
    & skf18("4","9","10","2","4","5","1") = "9"
    & skf18("4","9","10","2","4","6","1") = "9"
    & skf18("4","9","10","2","4","7","1") = "9"
    & skf18("4","9","10","2","4","8","1") = "9"
    & skf18("4","9","10","2","4","9","1") = "9"
    & skf18("4","9","10","2","4","10","1") = "9"
    & skf18("4","9","10","2","5","1","1") = "9"
    & skf18("4","9","10","2","5","2","1") = "9"
    & skf18("4","9","10","2","5","3","1") = "9"
    & skf18("4","9","10","2","5","4","1") = "9"
    & skf18("4","9","10","2","5","5","1") = "9"
    & skf18("4","9","10","2","5","6","1") = "9"
    & skf18("4","9","10","2","5","7","1") = "9"
    & skf18("4","9","10","2","5","8","1") = "9"
    & skf18("4","9","10","2","5","9","1") = "9"
    & skf18("4","9","10","2","5","10","1") = "9"
    & skf18("4","9","10","2","6","1","1") = "9"
    & skf18("4","9","10","2","6","2","1") = "9"
    & skf18("4","9","10","2","6","3","1") = "9"
    & skf18("4","9","10","2","6","4","1") = "9"
    & skf18("4","9","10","2","6","5","1") = "9"
    & skf18("4","9","10","2","6","6","1") = "9"
    & skf18("4","9","10","2","6","7","1") = "9"
    & skf18("4","9","10","2","6","8","1") = "9"
    & skf18("4","9","10","2","6","9","1") = "9"
    & skf18("4","9","10","2","6","10","1") = "9"
    & skf18("4","9","10","2","7","1","1") = "9"
    & skf18("4","9","10","2","7","2","1") = "9"
    & skf18("4","9","10","2","7","3","1") = "9"
    & skf18("4","9","10","2","7","4","1") = "9"
    & skf18("4","9","10","2","7","5","1") = "9"
    & skf18("4","9","10","2","7","6","1") = "9"
    & skf18("4","9","10","2","7","7","1") = "9"
    & skf18("4","9","10","2","7","8","1") = "9"
    & skf18("4","9","10","2","7","9","1") = "9"
    & skf18("4","9","10","2","7","10","1") = "9"
    & skf18("4","9","10","2","8","1","1") = "9"
    & skf18("4","9","10","2","8","2","1") = "9"
    & skf18("4","9","10","2","8","3","1") = "9"
    & skf18("4","9","10","2","8","4","1") = "9"
    & skf18("4","9","10","2","8","5","1") = "9"
    & skf18("4","9","10","2","8","6","1") = "9"
    & skf18("4","9","10","2","8","7","1") = "9"
    & skf18("4","9","10","2","8","8","1") = "9"
    & skf18("4","9","10","2","8","9","1") = "9"
    & skf18("4","9","10","2","8","10","1") = "9"
    & skf18("4","9","10","2","9","1","1") = "9"
    & skf18("4","9","10","2","9","2","1") = "9"
    & skf18("4","9","10","2","9","3","1") = "9"
    & skf18("4","9","10","2","9","4","1") = "9"
    & skf18("4","9","10","2","9","5","1") = "9"
    & skf18("4","9","10","2","9","6","1") = "9"
    & skf18("4","9","10","2","9","7","1") = "9"
    & skf18("4","9","10","2","9","8","1") = "9"
    & skf18("4","9","10","2","9","9","1") = "9"
    & skf18("4","9","10","2","9","10","1") = "9"
    & skf18("4","9","10","2","10","1","1") = "9"
    & skf18("4","9","10","2","10","2","1") = "9"
    & skf18("4","9","10","2","10","3","1") = "9"
    & skf18("4","9","10","2","10","4","1") = "9"
    & skf18("4","9","10","2","10","5","1") = "9"
    & skf18("4","9","10","2","10","6","1") = "9"
    & skf18("4","9","10","2","10","7","1") = "9"
    & skf18("4","9","10","2","10","8","1") = "9"
    & skf18("4","9","10","2","10","9","1") = "9"
    & skf18("4","9","10","2","10","10","1") = "9"
    & skf18("4","9","10","3","1","1","1") = "9"
    & skf18("4","9","10","3","1","2","1") = "9"
    & skf18("4","9","10","3","1","3","1") = "9"
    & skf18("4","9","10","3","1","4","1") = "9"
    & skf18("4","9","10","3","1","5","1") = "9"
    & skf18("4","9","10","3","1","6","1") = "9"
    & skf18("4","9","10","3","1","7","1") = "9"
    & skf18("4","9","10","3","1","8","1") = "9"
    & skf18("4","9","10","3","1","9","1") = "9"
    & skf18("4","9","10","3","1","10","1") = "9"
    & skf18("4","9","10","3","2","1","1") = "9"
    & skf18("4","9","10","3","2","2","1") = "9"
    & skf18("4","9","10","3","2","3","1") = "9"
    & skf18("4","9","10","3","2","4","1") = "9"
    & skf18("4","9","10","3","2","5","1") = "9"
    & skf18("4","9","10","3","2","6","1") = "9"
    & skf18("4","9","10","3","2","7","1") = "9"
    & skf18("4","9","10","3","2","8","1") = "9"
    & skf18("4","9","10","3","2","9","1") = "9"
    & skf18("4","9","10","3","2","10","1") = "9"
    & skf18("4","9","10","3","3","1","1") = "9"
    & skf18("4","9","10","3","3","2","1") = "9"
    & skf18("4","9","10","3","3","3","1") = "9"
    & skf18("4","9","10","3","3","4","1") = "9"
    & skf18("4","9","10","3","3","5","1") = "9"
    & skf18("4","9","10","3","3","6","1") = "9"
    & skf18("4","9","10","3","3","7","1") = "9"
    & skf18("4","9","10","3","3","8","1") = "9"
    & skf18("4","9","10","3","3","9","1") = "9"
    & skf18("4","9","10","3","3","10","1") = "9"
    & skf18("4","9","10","3","4","1","1") = "9"
    & skf18("4","9","10","3","4","2","1") = "9"
    & skf18("4","9","10","3","4","3","1") = "9"
    & skf18("4","9","10","3","4","4","1") = "9"
    & skf18("4","9","10","3","4","5","1") = "9"
    & skf18("4","9","10","3","4","6","1") = "9"
    & skf18("4","9","10","3","4","7","1") = "9"
    & skf18("4","9","10","3","4","8","1") = "9"
    & skf18("4","9","10","3","4","9","1") = "9"
    & skf18("4","9","10","3","4","10","1") = "9"
    & skf18("4","9","10","3","5","1","1") = "9"
    & skf18("4","9","10","3","5","2","1") = "9"
    & skf18("4","9","10","3","5","3","1") = "9"
    & skf18("4","9","10","3","5","4","1") = "9"
    & skf18("4","9","10","3","5","5","1") = "9"
    & skf18("4","9","10","3","5","6","1") = "9"
    & skf18("4","9","10","3","5","7","1") = "9"
    & skf18("4","9","10","3","5","8","1") = "9"
    & skf18("4","9","10","3","5","9","1") = "9"
    & skf18("4","9","10","3","5","10","1") = "9"
    & skf18("4","9","10","3","6","1","1") = "9"
    & skf18("4","9","10","3","6","2","1") = "9"
    & skf18("4","9","10","3","6","3","1") = "9"
    & skf18("4","9","10","3","6","4","1") = "9"
    & skf18("4","9","10","3","6","5","1") = "9"
    & skf18("4","9","10","3","6","6","1") = "9"
    & skf18("4","9","10","3","6","7","1") = "9"
    & skf18("4","9","10","3","6","8","1") = "9"
    & skf18("4","9","10","3","6","9","1") = "9"
    & skf18("4","9","10","3","6","10","1") = "9"
    & skf18("4","9","10","3","7","1","1") = "9"
    & skf18("4","9","10","3","7","2","1") = "9"
    & skf18("4","9","10","3","7","3","1") = "9"
    & skf18("4","9","10","3","7","4","1") = "9"
    & skf18("4","9","10","3","7","5","1") = "9"
    & skf18("4","9","10","3","7","6","1") = "9"
    & skf18("4","9","10","3","7","7","1") = "9"
    & skf18("4","9","10","3","7","8","1") = "9"
    & skf18("4","9","10","3","7","9","1") = "9"
    & skf18("4","9","10","3","7","10","1") = "9"
    & skf18("4","9","10","3","8","1","1") = "9"
    & skf18("4","9","10","3","8","2","1") = "9"
    & skf18("4","9","10","3","8","3","1") = "9"
    & skf18("4","9","10","3","8","4","1") = "9"
    & skf18("4","9","10","3","8","5","1") = "9"
    & skf18("4","9","10","3","8","6","1") = "9"
    & skf18("4","9","10","3","8","7","1") = "9"
    & skf18("4","9","10","3","8","8","1") = "9"
    & skf18("4","9","10","3","8","9","1") = "9"
    & skf18("4","9","10","3","8","10","1") = "9"
    & skf18("4","9","10","3","9","1","1") = "9"
    & skf18("4","9","10","3","9","2","1") = "9"
    & skf18("4","9","10","3","9","3","1") = "9"
    & skf18("4","9","10","3","9","4","1") = "9"
    & skf18("4","9","10","3","9","5","1") = "9"
    & skf18("4","9","10","3","9","6","1") = "9"
    & skf18("4","9","10","3","9","7","1") = "9"
    & skf18("4","9","10","3","9","8","1") = "9"
    & skf18("4","9","10","3","9","9","1") = "9"
    & skf18("4","9","10","3","9","10","1") = "9"
    & skf18("4","9","10","3","10","1","1") = "9"
    & skf18("4","9","10","3","10","2","1") = "9"
    & skf18("4","9","10","3","10","3","1") = "9"
    & skf18("4","9","10","3","10","4","1") = "9"
    & skf18("4","9","10","3","10","5","1") = "9"
    & skf18("4","9","10","3","10","6","1") = "9"
    & skf18("4","9","10","3","10","7","1") = "9"
    & skf18("4","9","10","3","10","8","1") = "9"
    & skf18("4","9","10","3","10","9","1") = "9"
    & skf18("4","9","10","3","10","10","1") = "9"
    & skf18("4","9","10","4","1","1","1") = "9"
    & skf18("4","9","10","4","1","2","1") = "9"
    & skf18("4","9","10","4","1","3","1") = "9"
    & skf18("4","9","10","4","1","4","1") = "9"
    & skf18("4","9","10","4","1","5","1") = "9"
    & skf18("4","9","10","4","1","6","1") = "9"
    & skf18("4","9","10","4","1","7","1") = "9"
    & skf18("4","9","10","4","1","8","1") = "9"
    & skf18("4","9","10","4","1","9","1") = "9"
    & skf18("4","9","10","4","1","10","1") = "9"
    & skf18("4","9","10","4","2","1","1") = "9"
    & skf18("4","9","10","4","2","2","1") = "9"
    & skf18("4","9","10","4","2","3","1") = "9"
    & skf18("4","9","10","4","2","4","1") = "9"
    & skf18("4","9","10","4","2","5","1") = "9"
    & skf18("4","9","10","4","2","6","1") = "9"
    & skf18("4","9","10","4","2","7","1") = "9"
    & skf18("4","9","10","4","2","8","1") = "9"
    & skf18("4","9","10","4","2","9","1") = "9"
    & skf18("4","9","10","4","2","10","1") = "9"
    & skf18("4","9","10","4","3","1","1") = "9"
    & skf18("4","9","10","4","3","2","1") = "9"
    & skf18("4","9","10","4","3","3","1") = "9"
    & skf18("4","9","10","4","3","4","1") = "9"
    & skf18("4","9","10","4","3","5","1") = "9"
    & skf18("4","9","10","4","3","6","1") = "9"
    & skf18("4","9","10","4","3","7","1") = "9"
    & skf18("4","9","10","4","3","8","1") = "9"
    & skf18("4","9","10","4","3","9","1") = "9"
    & skf18("4","9","10","4","3","10","1") = "9"
    & skf18("4","9","10","4","4","1","1") = "9"
    & skf18("4","9","10","4","4","2","1") = "9"
    & skf18("4","9","10","4","4","3","1") = "9"
    & skf18("4","9","10","4","4","4","1") = "9"
    & skf18("4","9","10","4","4","5","1") = "9"
    & skf18("4","9","10","4","4","6","1") = "9"
    & skf18("4","9","10","4","4","7","1") = "9"
    & skf18("4","9","10","4","4","8","1") = "9"
    & skf18("4","9","10","4","4","9","1") = "9"
    & skf18("4","9","10","4","4","10","1") = "9"
    & skf18("4","9","10","4","5","1","1") = "9"
    & skf18("4","9","10","4","5","2","1") = "9"
    & skf18("4","9","10","4","5","3","1") = "9"
    & skf18("4","9","10","4","5","4","1") = "9"
    & skf18("4","9","10","4","5","5","1") = "9"
    & skf18("4","9","10","4","5","6","1") = "9"
    & skf18("4","9","10","4","5","7","1") = "9"
    & skf18("4","9","10","4","5","8","1") = "9"
    & skf18("4","9","10","4","5","9","1") = "9"
    & skf18("4","9","10","4","5","10","1") = "9"
    & skf18("4","9","10","4","6","1","1") = "9"
    & skf18("4","9","10","4","6","2","1") = "9"
    & skf18("4","9","10","4","6","3","1") = "9"
    & skf18("4","9","10","4","6","4","1") = "9"
    & skf18("4","9","10","4","6","5","1") = "9"
    & skf18("4","9","10","4","6","6","1") = "9"
    & skf18("4","9","10","4","6","7","1") = "9"
    & skf18("4","9","10","4","6","8","1") = "9"
    & skf18("4","9","10","4","6","9","1") = "9"
    & skf18("4","9","10","4","6","10","1") = "9"
    & skf18("4","9","10","4","7","1","1") = "9"
    & skf18("4","9","10","4","7","2","1") = "9"
    & skf18("4","9","10","4","7","3","1") = "9"
    & skf18("4","9","10","4","7","4","1") = "9"
    & skf18("4","9","10","4","7","5","1") = "9"
    & skf18("4","9","10","4","7","6","1") = "9"
    & skf18("4","9","10","4","7","7","1") = "9"
    & skf18("4","9","10","4","7","8","1") = "9"
    & skf18("4","9","10","4","7","9","1") = "9"
    & skf18("4","9","10","4","7","10","1") = "9"
    & skf18("4","9","10","4","8","1","1") = "9"
    & skf18("4","9","10","4","8","2","1") = "9"
    & skf18("4","9","10","4","8","3","1") = "9"
    & skf18("4","9","10","4","8","4","1") = "9"
    & skf18("4","9","10","4","8","5","1") = "9"
    & skf18("4","9","10","4","8","6","1") = "9"
    & skf18("4","9","10","4","8","7","1") = "9"
    & skf18("4","9","10","4","8","8","1") = "9"
    & skf18("4","9","10","4","8","9","1") = "9"
    & skf18("4","9","10","4","8","10","1") = "9"
    & skf18("4","9","10","4","9","1","1") = "9"
    & skf18("4","9","10","4","9","2","1") = "9"
    & skf18("4","9","10","4","9","3","1") = "9"
    & skf18("4","9","10","4","9","4","1") = "9"
    & skf18("4","9","10","4","9","5","1") = "9"
    & skf18("4","9","10","4","9","6","1") = "9"
    & skf18("4","9","10","4","9","7","1") = "9"
    & skf18("4","9","10","4","9","8","1") = "9"
    & skf18("4","9","10","4","9","9","1") = "9"
    & skf18("4","9","10","4","9","10","1") = "9"
    & skf18("4","9","10","4","10","1","1") = "9"
    & skf18("4","9","10","4","10","2","1") = "9"
    & skf18("4","9","10","4","10","3","1") = "9"
    & skf18("4","9","10","4","10","4","1") = "9"
    & skf18("4","9","10","4","10","5","1") = "9"
    & skf18("4","9","10","4","10","6","1") = "9"
    & skf18("4","9","10","4","10","7","1") = "9"
    & skf18("4","9","10","4","10","8","1") = "9"
    & skf18("4","9","10","4","10","9","1") = "9"
    & skf18("4","9","10","4","10","10","1") = "9"
    & skf18("4","9","10","5","1","1","1") = "9"
    & skf18("4","9","10","5","1","2","1") = "9"
    & skf18("4","9","10","5","1","3","1") = "9"
    & skf18("4","9","10","5","1","4","1") = "9"
    & skf18("4","9","10","5","1","5","1") = "9"
    & skf18("4","9","10","5","1","6","1") = "9"
    & skf18("4","9","10","5","1","7","1") = "9"
    & skf18("4","9","10","5","1","8","1") = "9"
    & skf18("4","9","10","5","1","9","1") = "9"
    & skf18("4","9","10","5","1","10","1") = "9"
    & skf18("4","9","10","5","2","1","1") = "9"
    & skf18("4","9","10","5","2","2","1") = "9"
    & skf18("4","9","10","5","2","3","1") = "9"
    & skf18("4","9","10","5","2","4","1") = "9"
    & skf18("4","9","10","5","2","5","1") = "9"
    & skf18("4","9","10","5","2","6","1") = "9"
    & skf18("4","9","10","5","2","7","1") = "9"
    & skf18("4","9","10","5","2","8","1") = "9"
    & skf18("4","9","10","5","2","9","1") = "9"
    & skf18("4","9","10","5","2","10","1") = "9"
    & skf18("4","9","10","5","3","1","1") = "9"
    & skf18("4","9","10","5","3","2","1") = "9"
    & skf18("4","9","10","5","3","3","1") = "9"
    & skf18("4","9","10","5","3","4","1") = "9"
    & skf18("4","9","10","5","3","5","1") = "9"
    & skf18("4","9","10","5","3","6","1") = "9"
    & skf18("4","9","10","5","3","7","1") = "9"
    & skf18("4","9","10","5","3","8","1") = "9"
    & skf18("4","9","10","5","3","9","1") = "9"
    & skf18("4","9","10","5","3","10","1") = "9"
    & skf18("4","9","10","5","4","1","1") = "9"
    & skf18("4","9","10","5","4","2","1") = "9"
    & skf18("4","9","10","5","4","3","1") = "9"
    & skf18("4","9","10","5","4","4","1") = "9"
    & skf18("4","9","10","5","4","5","1") = "9"
    & skf18("4","9","10","5","4","6","1") = "9"
    & skf18("4","9","10","5","4","7","1") = "9"
    & skf18("4","9","10","5","4","8","1") = "9"
    & skf18("4","9","10","5","4","9","1") = "9"
    & skf18("4","9","10","5","4","10","1") = "9"
    & skf18("4","9","10","5","5","1","1") = "9"
    & skf18("4","9","10","5","5","2","1") = "9"
    & skf18("4","9","10","5","5","3","1") = "9"
    & skf18("4","9","10","5","5","4","1") = "9"
    & skf18("4","9","10","5","5","5","1") = "9"
    & skf18("4","9","10","5","5","6","1") = "9"
    & skf18("4","9","10","5","5","7","1") = "9"
    & skf18("4","9","10","5","5","8","1") = "9"
    & skf18("4","9","10","5","5","9","1") = "9"
    & skf18("4","9","10","5","5","10","1") = "9"
    & skf18("4","9","10","5","6","1","1") = "9"
    & skf18("4","9","10","5","6","2","1") = "9"
    & skf18("4","9","10","5","6","3","1") = "9"
    & skf18("4","9","10","5","6","4","1") = "9"
    & skf18("4","9","10","5","6","5","1") = "9"
    & skf18("4","9","10","5","6","6","1") = "9"
    & skf18("4","9","10","5","6","7","1") = "9"
    & skf18("4","9","10","5","6","8","1") = "9"
    & skf18("4","9","10","5","6","9","1") = "9"
    & skf18("4","9","10","5","6","10","1") = "9"
    & skf18("4","9","10","5","7","1","1") = "9"
    & skf18("4","9","10","5","7","2","1") = "9"
    & skf18("4","9","10","5","7","3","1") = "9"
    & skf18("4","9","10","5","7","4","1") = "9"
    & skf18("4","9","10","5","7","5","1") = "9"
    & skf18("4","9","10","5","7","6","1") = "9"
    & skf18("4","9","10","5","7","7","1") = "9"
    & skf18("4","9","10","5","7","8","1") = "9"
    & skf18("4","9","10","5","7","9","1") = "9"
    & skf18("4","9","10","5","7","10","1") = "9"
    & skf18("4","9","10","5","8","1","1") = "9"
    & skf18("4","9","10","5","8","2","1") = "9"
    & skf18("4","9","10","5","8","3","1") = "9"
    & skf18("4","9","10","5","8","4","1") = "9"
    & skf18("4","9","10","5","8","5","1") = "9"
    & skf18("4","9","10","5","8","6","1") = "9"
    & skf18("4","9","10","5","8","7","1") = "9"
    & skf18("4","9","10","5","8","8","1") = "9"
    & skf18("4","9","10","5","8","9","1") = "9"
    & skf18("4","9","10","5","8","10","1") = "9"
    & skf18("4","9","10","5","9","1","1") = "9"
    & skf18("4","9","10","5","9","2","1") = "9"
    & skf18("4","9","10","5","9","3","1") = "9"
    & skf18("4","9","10","5","9","4","1") = "9"
    & skf18("4","9","10","5","9","5","1") = "9"
    & skf18("4","9","10","5","9","6","1") = "9"
    & skf18("4","9","10","5","9","7","1") = "9"
    & skf18("4","9","10","5","9","8","1") = "9"
    & skf18("4","9","10","5","9","9","1") = "9"
    & skf18("4","9","10","5","9","10","1") = "9"
    & skf18("4","9","10","5","10","1","1") = "9"
    & skf18("4","9","10","5","10","2","1") = "9"
    & skf18("4","9","10","5","10","3","1") = "9"
    & skf18("4","9","10","5","10","4","1") = "9"
    & skf18("4","9","10","5","10","5","1") = "9"
    & skf18("4","9","10","5","10","6","1") = "9"
    & skf18("4","9","10","5","10","7","1") = "9"
    & skf18("4","9","10","5","10","8","1") = "9"
    & skf18("4","9","10","5","10","9","1") = "9"
    & skf18("4","9","10","5","10","10","1") = "9"
    & skf18("4","9","10","6","1","1","1") = "9"
    & skf18("4","9","10","6","1","2","1") = "9"
    & skf18("4","9","10","6","1","3","1") = "9"
    & skf18("4","9","10","6","1","4","1") = "9"
    & skf18("4","9","10","6","1","5","1") = "9"
    & skf18("4","9","10","6","1","6","1") = "9"
    & skf18("4","9","10","6","1","7","1") = "9"
    & skf18("4","9","10","6","1","8","1") = "9"
    & skf18("4","9","10","6","1","9","1") = "9"
    & skf18("4","9","10","6","1","10","1") = "9"
    & skf18("4","9","10","6","2","1","1") = "9"
    & skf18("4","9","10","6","2","2","1") = "9"
    & skf18("4","9","10","6","2","3","1") = "9"
    & skf18("4","9","10","6","2","4","1") = "9"
    & skf18("4","9","10","6","2","5","1") = "9"
    & skf18("4","9","10","6","2","6","1") = "9"
    & skf18("4","9","10","6","2","7","1") = "9"
    & skf18("4","9","10","6","2","8","1") = "9"
    & skf18("4","9","10","6","2","9","1") = "9"
    & skf18("4","9","10","6","2","10","1") = "9"
    & skf18("4","9","10","6","3","1","1") = "9"
    & skf18("4","9","10","6","3","2","1") = "9"
    & skf18("4","9","10","6","3","3","1") = "9"
    & skf18("4","9","10","6","3","4","1") = "9"
    & skf18("4","9","10","6","3","5","1") = "9"
    & skf18("4","9","10","6","3","6","1") = "9"
    & skf18("4","9","10","6","3","7","1") = "9"
    & skf18("4","9","10","6","3","8","1") = "9"
    & skf18("4","9","10","6","3","9","1") = "9"
    & skf18("4","9","10","6","3","10","1") = "9"
    & skf18("4","9","10","6","4","1","1") = "9"
    & skf18("4","9","10","6","4","2","1") = "9"
    & skf18("4","9","10","6","4","3","1") = "9"
    & skf18("4","9","10","6","4","4","1") = "9"
    & skf18("4","9","10","6","4","5","1") = "9"
    & skf18("4","9","10","6","4","6","1") = "9"
    & skf18("4","9","10","6","4","7","1") = "9"
    & skf18("4","9","10","6","4","8","1") = "9"
    & skf18("4","9","10","6","4","9","1") = "9"
    & skf18("4","9","10","6","4","10","1") = "9"
    & skf18("4","9","10","6","5","1","1") = "9"
    & skf18("4","9","10","6","5","2","1") = "9"
    & skf18("4","9","10","6","5","3","1") = "9"
    & skf18("4","9","10","6","5","4","1") = "9"
    & skf18("4","9","10","6","5","5","1") = "9"
    & skf18("4","9","10","6","5","6","1") = "9"
    & skf18("4","9","10","6","5","7","1") = "9"
    & skf18("4","9","10","6","5","8","1") = "9"
    & skf18("4","9","10","6","5","9","1") = "9"
    & skf18("4","9","10","6","5","10","1") = "9"
    & skf18("4","9","10","6","6","1","1") = "9"
    & skf18("4","9","10","6","6","2","1") = "9"
    & skf18("4","9","10","6","6","3","1") = "9"
    & skf18("4","9","10","6","6","4","1") = "9"
    & skf18("4","9","10","6","6","5","1") = "9"
    & skf18("4","9","10","6","6","6","1") = "9"
    & skf18("4","9","10","6","6","7","1") = "9"
    & skf18("4","9","10","6","6","8","1") = "9"
    & skf18("4","9","10","6","6","9","1") = "9"
    & skf18("4","9","10","6","6","10","1") = "9"
    & skf18("4","9","10","6","7","1","1") = "9"
    & skf18("4","9","10","6","7","2","1") = "9"
    & skf18("4","9","10","6","7","3","1") = "9"
    & skf18("4","9","10","6","7","4","1") = "9"
    & skf18("4","9","10","6","7","5","1") = "9"
    & skf18("4","9","10","6","7","6","1") = "9"
    & skf18("4","9","10","6","7","7","1") = "9"
    & skf18("4","9","10","6","7","8","1") = "9"
    & skf18("4","9","10","6","7","9","1") = "9"
    & skf18("4","9","10","6","7","10","1") = "9"
    & skf18("4","9","10","6","8","1","1") = "9"
    & skf18("4","9","10","6","8","2","1") = "9"
    & skf18("4","9","10","6","8","3","1") = "9"
    & skf18("4","9","10","6","8","4","1") = "9"
    & skf18("4","9","10","6","8","5","1") = "9"
    & skf18("4","9","10","6","8","6","1") = "9"
    & skf18("4","9","10","6","8","7","1") = "9"
    & skf18("4","9","10","6","8","8","1") = "9"
    & skf18("4","9","10","6","8","9","1") = "9"
    & skf18("4","9","10","6","8","10","1") = "9"
    & skf18("4","9","10","6","9","1","1") = "9"
    & skf18("4","9","10","6","9","2","1") = "9"
    & skf18("4","9","10","6","9","3","1") = "9"
    & skf18("4","9","10","6","9","4","1") = "9"
    & skf18("4","9","10","6","9","5","1") = "9"
    & skf18("4","9","10","6","9","6","1") = "9"
    & skf18("4","9","10","6","9","7","1") = "9"
    & skf18("4","9","10","6","9","8","1") = "9"
    & skf18("4","9","10","6","9","9","1") = "9"
    & skf18("4","9","10","6","9","10","1") = "9"
    & skf18("4","9","10","6","10","1","1") = "9"
    & skf18("4","9","10","6","10","2","1") = "9"
    & skf18("4","9","10","6","10","3","1") = "9"
    & skf18("4","9","10","6","10","4","1") = "9"
    & skf18("4","9","10","6","10","5","1") = "9"
    & skf18("4","9","10","6","10","6","1") = "9"
    & skf18("4","9","10","6","10","7","1") = "9"
    & skf18("4","9","10","6","10","8","1") = "9"
    & skf18("4","9","10","6","10","9","1") = "9"
    & skf18("4","9","10","6","10","10","1") = "9"
    & skf18("4","9","10","7","1","1","1") = "9"
    & skf18("4","9","10","7","1","2","1") = "9"
    & skf18("4","9","10","7","1","3","1") = "9"
    & skf18("4","9","10","7","1","4","1") = "9"
    & skf18("4","9","10","7","1","5","1") = "9"
    & skf18("4","9","10","7","1","6","1") = "9"
    & skf18("4","9","10","7","1","7","1") = "9"
    & skf18("4","9","10","7","1","8","1") = "9"
    & skf18("4","9","10","7","1","9","1") = "9"
    & skf18("4","9","10","7","1","10","1") = "9"
    & skf18("4","9","10","7","2","1","1") = "9"
    & skf18("4","9","10","7","2","2","1") = "9"
    & skf18("4","9","10","7","2","3","1") = "9"
    & skf18("4","9","10","7","2","4","1") = "9"
    & skf18("4","9","10","7","2","5","1") = "9"
    & skf18("4","9","10","7","2","6","1") = "9"
    & skf18("4","9","10","7","2","7","1") = "9"
    & skf18("4","9","10","7","2","8","1") = "9"
    & skf18("4","9","10","7","2","9","1") = "9"
    & skf18("4","9","10","7","2","10","1") = "9"
    & skf18("4","9","10","7","3","1","1") = "9"
    & skf18("4","9","10","7","3","2","1") = "9"
    & skf18("4","9","10","7","3","3","1") = "9"
    & skf18("4","9","10","7","3","4","1") = "9"
    & skf18("4","9","10","7","3","5","1") = "9"
    & skf18("4","9","10","7","3","6","1") = "9"
    & skf18("4","9","10","7","3","7","1") = "9"
    & skf18("4","9","10","7","3","8","1") = "9"
    & skf18("4","9","10","7","3","9","1") = "9"
    & skf18("4","9","10","7","3","10","1") = "9"
    & skf18("4","9","10","7","4","1","1") = "9"
    & skf18("4","9","10","7","4","2","1") = "9"
    & skf18("4","9","10","7","4","3","1") = "9"
    & skf18("4","9","10","7","4","4","1") = "9"
    & skf18("4","9","10","7","4","5","1") = "9"
    & skf18("4","9","10","7","4","6","1") = "9"
    & skf18("4","9","10","7","4","7","1") = "9"
    & skf18("4","9","10","7","4","8","1") = "9"
    & skf18("4","9","10","7","4","9","1") = "9"
    & skf18("4","9","10","7","4","10","1") = "9"
    & skf18("4","9","10","7","5","1","1") = "9"
    & skf18("4","9","10","7","5","2","1") = "9"
    & skf18("4","9","10","7","5","3","1") = "9"
    & skf18("4","9","10","7","5","4","1") = "9"
    & skf18("4","9","10","7","5","5","1") = "9"
    & skf18("4","9","10","7","5","6","1") = "9"
    & skf18("4","9","10","7","5","7","1") = "9"
    & skf18("4","9","10","7","5","8","1") = "9"
    & skf18("4","9","10","7","5","9","1") = "9"
    & skf18("4","9","10","7","5","10","1") = "9"
    & skf18("4","9","10","7","6","1","1") = "9"
    & skf18("4","9","10","7","6","2","1") = "9"
    & skf18("4","9","10","7","6","3","1") = "9"
    & skf18("4","9","10","7","6","4","1") = "9"
    & skf18("4","9","10","7","6","5","1") = "9"
    & skf18("4","9","10","7","6","6","1") = "9"
    & skf18("4","9","10","7","6","7","1") = "9"
    & skf18("4","9","10","7","6","8","1") = "9"
    & skf18("4","9","10","7","6","9","1") = "9"
    & skf18("4","9","10","7","6","10","1") = "9"
    & skf18("4","9","10","7","7","1","1") = "9"
    & skf18("4","9","10","7","7","2","1") = "9"
    & skf18("4","9","10","7","7","3","1") = "9"
    & skf18("4","9","10","7","7","4","1") = "9"
    & skf18("4","9","10","7","7","5","1") = "9"
    & skf18("4","9","10","7","7","6","1") = "9"
    & skf18("4","9","10","7","7","7","1") = "9"
    & skf18("4","9","10","7","7","8","1") = "9"
    & skf18("4","9","10","7","7","9","1") = "9"
    & skf18("4","9","10","7","7","10","1") = "9"
    & skf18("4","9","10","7","8","1","1") = "9"
    & skf18("4","9","10","7","8","2","1") = "9"
    & skf18("4","9","10","7","8","3","1") = "9"
    & skf18("4","9","10","7","8","4","1") = "9"
    & skf18("4","9","10","7","8","5","1") = "9"
    & skf18("4","9","10","7","8","6","1") = "9"
    & skf18("4","9","10","7","8","7","1") = "9"
    & skf18("4","9","10","7","8","8","1") = "9"
    & skf18("4","9","10","7","8","9","1") = "9"
    & skf18("4","9","10","7","8","10","1") = "9"
    & skf18("4","9","10","7","9","1","1") = "9"
    & skf18("4","9","10","7","9","2","1") = "9"
    & skf18("4","9","10","7","9","3","1") = "9"
    & skf18("4","9","10","7","9","4","1") = "9"
    & skf18("4","9","10","7","9","5","1") = "9"
    & skf18("4","9","10","7","9","6","1") = "9"
    & skf18("4","9","10","7","9","7","1") = "9"
    & skf18("4","9","10","7","9","8","1") = "9"
    & skf18("4","9","10","7","9","9","1") = "9"
    & skf18("4","9","10","7","9","10","1") = "9"
    & skf18("4","9","10","7","10","1","1") = "9"
    & skf18("4","9","10","7","10","2","1") = "9"
    & skf18("4","9","10","7","10","3","1") = "9"
    & skf18("4","9","10","7","10","4","1") = "9"
    & skf18("4","9","10","7","10","5","1") = "9"
    & skf18("4","9","10","7","10","6","1") = "9"
    & skf18("4","9","10","7","10","7","1") = "9"
    & skf18("4","9","10","7","10","8","1") = "9"
    & skf18("4","9","10","7","10","9","1") = "9"
    & skf18("4","9","10","7","10","10","1") = "9"
    & skf18("4","9","10","8","1","1","1") = "9"
    & skf18("4","9","10","8","1","2","1") = "9"
    & skf18("4","9","10","8","1","3","1") = "9"
    & skf18("4","9","10","8","1","4","1") = "9"
    & skf18("4","9","10","8","1","5","1") = "9"
    & skf18("4","9","10","8","1","6","1") = "9"
    & skf18("4","9","10","8","1","7","1") = "9"
    & skf18("4","9","10","8","1","8","1") = "9"
    & skf18("4","9","10","8","1","9","1") = "9"
    & skf18("4","9","10","8","1","10","1") = "9"
    & skf18("4","9","10","8","2","1","1") = "9"
    & skf18("4","9","10","8","2","2","1") = "9"
    & skf18("4","9","10","8","2","3","1") = "9"
    & skf18("4","9","10","8","2","4","1") = "9"
    & skf18("4","9","10","8","2","5","1") = "9"
    & skf18("4","9","10","8","2","6","1") = "9"
    & skf18("4","9","10","8","2","7","1") = "9"
    & skf18("4","9","10","8","2","8","1") = "9"
    & skf18("4","9","10","8","2","9","1") = "9"
    & skf18("4","9","10","8","2","10","1") = "9"
    & skf18("4","9","10","8","3","1","1") = "9"
    & skf18("4","9","10","8","3","2","1") = "9"
    & skf18("4","9","10","8","3","3","1") = "9"
    & skf18("4","9","10","8","3","4","1") = "9"
    & skf18("4","9","10","8","3","5","1") = "9"
    & skf18("4","9","10","8","3","6","1") = "9"
    & skf18("4","9","10","8","3","7","1") = "9"
    & skf18("4","9","10","8","3","8","1") = "9"
    & skf18("4","9","10","8","3","9","1") = "9"
    & skf18("4","9","10","8","3","10","1") = "9"
    & skf18("4","9","10","8","4","1","1") = "9"
    & skf18("4","9","10","8","4","2","1") = "9"
    & skf18("4","9","10","8","4","3","1") = "9"
    & skf18("4","9","10","8","4","4","1") = "9"
    & skf18("4","9","10","8","4","5","1") = "9"
    & skf18("4","9","10","8","4","6","1") = "9"
    & skf18("4","9","10","8","4","7","1") = "9"
    & skf18("4","9","10","8","4","8","1") = "9"
    & skf18("4","9","10","8","4","9","1") = "9"
    & skf18("4","9","10","8","4","10","1") = "9"
    & skf18("4","9","10","8","5","1","1") = "9"
    & skf18("4","9","10","8","5","2","1") = "9"
    & skf18("4","9","10","8","5","3","1") = "9"
    & skf18("4","9","10","8","5","4","1") = "9"
    & skf18("4","9","10","8","5","5","1") = "9"
    & skf18("4","9","10","8","5","6","1") = "9"
    & skf18("4","9","10","8","5","7","1") = "9"
    & skf18("4","9","10","8","5","8","1") = "9"
    & skf18("4","9","10","8","5","9","1") = "9"
    & skf18("4","9","10","8","5","10","1") = "9"
    & skf18("4","9","10","8","6","1","1") = "9"
    & skf18("4","9","10","8","6","2","1") = "9"
    & skf18("4","9","10","8","6","3","1") = "9"
    & skf18("4","9","10","8","6","4","1") = "9"
    & skf18("4","9","10","8","6","5","1") = "9"
    & skf18("4","9","10","8","6","6","1") = "9"
    & skf18("4","9","10","8","6","7","1") = "9"
    & skf18("4","9","10","8","6","8","1") = "9"
    & skf18("4","9","10","8","6","9","1") = "9"
    & skf18("4","9","10","8","6","10","1") = "9"
    & skf18("4","9","10","8","7","1","1") = "9"
    & skf18("4","9","10","8","7","2","1") = "9"
    & skf18("4","9","10","8","7","3","1") = "9"
    & skf18("4","9","10","8","7","4","1") = "9"
    & skf18("4","9","10","8","7","5","1") = "9"
    & skf18("4","9","10","8","7","6","1") = "9"
    & skf18("4","9","10","8","7","7","1") = "9"
    & skf18("4","9","10","8","7","8","1") = "9"
    & skf18("4","9","10","8","7","9","1") = "9"
    & skf18("4","9","10","8","7","10","1") = "9"
    & skf18("4","9","10","8","8","1","1") = "9"
    & skf18("4","9","10","8","8","2","1") = "9"
    & skf18("4","9","10","8","8","3","1") = "9"
    & skf18("4","9","10","8","8","4","1") = "9"
    & skf18("4","9","10","8","8","5","1") = "9"
    & skf18("4","9","10","8","8","6","1") = "9"
    & skf18("4","9","10","8","8","7","1") = "9"
    & skf18("4","9","10","8","8","8","1") = "9"
    & skf18("4","9","10","8","8","9","1") = "9"
    & skf18("4","9","10","8","8","10","1") = "9"
    & skf18("4","9","10","8","9","1","1") = "9"
    & skf18("4","9","10","8","9","2","1") = "9"
    & skf18("4","9","10","8","9","3","1") = "9"
    & skf18("4","9","10","8","9","4","1") = "9"
    & skf18("4","9","10","8","9","5","1") = "9"
    & skf18("4","9","10","8","9","6","1") = "9"
    & skf18("4","9","10","8","9","7","1") = "9"
    & skf18("4","9","10","8","9","8","1") = "9"
    & skf18("4","9","10","8","9","9","1") = "9"
    & skf18("4","9","10","8","9","10","1") = "9"
    & skf18("4","9","10","8","10","1","1") = "9"
    & skf18("4","9","10","8","10","2","1") = "9"
    & skf18("4","9","10","8","10","3","1") = "9"
    & skf18("4","9","10","8","10","4","1") = "9"
    & skf18("4","9","10","8","10","5","1") = "9"
    & skf18("4","9","10","8","10","6","1") = "9"
    & skf18("4","9","10","8","10","7","1") = "9"
    & skf18("4","9","10","8","10","8","1") = "9"
    & skf18("4","9","10","8","10","9","1") = "9"
    & skf18("4","9","10","8","10","10","1") = "9"
    & skf18("4","9","10","9","1","1","1") = "9"
    & skf18("4","9","10","9","1","2","1") = "9"
    & skf18("4","9","10","9","1","3","1") = "9"
    & skf18("4","9","10","9","1","4","1") = "9"
    & skf18("4","9","10","9","1","5","1") = "9"
    & skf18("4","9","10","9","1","6","1") = "9"
    & skf18("4","9","10","9","1","7","1") = "9"
    & skf18("4","9","10","9","1","8","1") = "9"
    & skf18("4","9","10","9","1","9","1") = "9"
    & skf18("4","9","10","9","1","10","1") = "9"
    & skf18("4","9","10","9","2","1","1") = "9"
    & skf18("4","9","10","9","2","2","1") = "9"
    & skf18("4","9","10","9","2","3","1") = "9"
    & skf18("4","9","10","9","2","4","1") = "9"
    & skf18("4","9","10","9","2","5","1") = "9"
    & skf18("4","9","10","9","2","6","1") = "9"
    & skf18("4","9","10","9","2","7","1") = "9"
    & skf18("4","9","10","9","2","8","1") = "9"
    & skf18("4","9","10","9","2","9","1") = "9"
    & skf18("4","9","10","9","2","10","1") = "9"
    & skf18("4","9","10","9","3","1","1") = "9"
    & skf18("4","9","10","9","3","2","1") = "9"
    & skf18("4","9","10","9","3","3","1") = "9"
    & skf18("4","9","10","9","3","4","1") = "9"
    & skf18("4","9","10","9","3","5","1") = "9"
    & skf18("4","9","10","9","3","6","1") = "9"
    & skf18("4","9","10","9","3","7","1") = "9"
    & skf18("4","9","10","9","3","8","1") = "9"
    & skf18("4","9","10","9","3","9","1") = "9"
    & skf18("4","9","10","9","3","10","1") = "9"
    & skf18("4","9","10","9","4","1","1") = "9"
    & skf18("4","9","10","9","4","2","1") = "9"
    & skf18("4","9","10","9","4","3","1") = "9"
    & skf18("4","9","10","9","4","4","1") = "9"
    & skf18("4","9","10","9","4","5","1") = "9"
    & skf18("4","9","10","9","4","6","1") = "9"
    & skf18("4","9","10","9","4","7","1") = "9"
    & skf18("4","9","10","9","4","8","1") = "9"
    & skf18("4","9","10","9","4","9","1") = "9"
    & skf18("4","9","10","9","4","10","1") = "9"
    & skf18("4","9","10","9","5","1","1") = "9"
    & skf18("4","9","10","9","5","2","1") = "9"
    & skf18("4","9","10","9","5","3","1") = "9"
    & skf18("4","9","10","9","5","4","1") = "9"
    & skf18("4","9","10","9","5","5","1") = "9"
    & skf18("4","9","10","9","5","6","1") = "9"
    & skf18("4","9","10","9","5","7","1") = "9"
    & skf18("4","9","10","9","5","8","1") = "9"
    & skf18("4","9","10","9","5","9","1") = "9"
    & skf18("4","9","10","9","5","10","1") = "9"
    & skf18("4","9","10","9","6","1","1") = "9"
    & skf18("4","9","10","9","6","2","1") = "9"
    & skf18("4","9","10","9","6","3","1") = "9"
    & skf18("4","9","10","9","6","4","1") = "9"
    & skf18("4","9","10","9","6","5","1") = "9"
    & skf18("4","9","10","9","6","6","1") = "9"
    & skf18("4","9","10","9","6","7","1") = "9"
    & skf18("4","9","10","9","6","8","1") = "9"
    & skf18("4","9","10","9","6","9","1") = "9"
    & skf18("4","9","10","9","6","10","1") = "9"
    & skf18("4","9","10","9","7","1","1") = "9"
    & skf18("4","9","10","9","7","2","1") = "9"
    & skf18("4","9","10","9","7","3","1") = "9"
    & skf18("4","9","10","9","7","4","1") = "9"
    & skf18("4","9","10","9","7","5","1") = "9"
    & skf18("4","9","10","9","7","6","1") = "9"
    & skf18("4","9","10","9","7","7","1") = "9"
    & skf18("4","9","10","9","7","8","1") = "9"
    & skf18("4","9","10","9","7","9","1") = "9"
    & skf18("4","9","10","9","7","10","1") = "9"
    & skf18("4","9","10","9","8","1","1") = "9"
    & skf18("4","9","10","9","8","2","1") = "9"
    & skf18("4","9","10","9","8","3","1") = "9"
    & skf18("4","9","10","9","8","4","1") = "9"
    & skf18("4","9","10","9","8","5","1") = "9"
    & skf18("4","9","10","9","8","6","1") = "9"
    & skf18("4","9","10","9","8","7","1") = "9"
    & skf18("4","9","10","9","8","8","1") = "9"
    & skf18("4","9","10","9","8","9","1") = "9"
    & skf18("4","9","10","9","8","10","1") = "9"
    & skf18("4","9","10","9","9","1","1") = "9"
    & skf18("4","9","10","9","9","2","1") = "9"
    & skf18("4","9","10","9","9","3","1") = "9"
    & skf18("4","9","10","9","9","4","1") = "9"
    & skf18("4","9","10","9","9","5","1") = "9"
    & skf18("4","9","10","9","9","6","1") = "9"
    & skf18("4","9","10","9","9","7","1") = "9"
    & skf18("4","9","10","9","9","8","1") = "9"
    & skf18("4","9","10","9","9","9","1") = "9"
    & skf18("4","9","10","9","9","10","1") = "9"
    & skf18("4","9","10","9","10","1","1") = "9"
    & skf18("4","9","10","9","10","2","1") = "9"
    & skf18("4","9","10","9","10","3","1") = "9"
    & skf18("4","9","10","9","10","4","1") = "9"
    & skf18("4","9","10","9","10","5","1") = "9"
    & skf18("4","9","10","9","10","6","1") = "9"
    & skf18("4","9","10","9","10","7","1") = "9"
    & skf18("4","9","10","9","10","8","1") = "9"
    & skf18("4","9","10","9","10","9","1") = "9"
    & skf18("4","9","10","9","10","10","1") = "9"
    & skf18("4","9","10","10","1","1","1") = "9"
    & skf18("4","9","10","10","1","2","1") = "9"
    & skf18("4","9","10","10","1","3","1") = "9"
    & skf18("4","9","10","10","1","4","1") = "9"
    & skf18("4","9","10","10","1","5","1") = "9"
    & skf18("4","9","10","10","1","6","1") = "9"
    & skf18("4","9","10","10","1","7","1") = "9"
    & skf18("4","9","10","10","1","8","1") = "9"
    & skf18("4","9","10","10","1","9","1") = "9"
    & skf18("4","9","10","10","1","10","1") = "9"
    & skf18("4","9","10","10","2","1","1") = "9"
    & skf18("4","9","10","10","2","2","1") = "9"
    & skf18("4","9","10","10","2","3","1") = "9"
    & skf18("4","9","10","10","2","4","1") = "9"
    & skf18("4","9","10","10","2","5","1") = "9"
    & skf18("4","9","10","10","2","6","1") = "9"
    & skf18("4","9","10","10","2","7","1") = "9"
    & skf18("4","9","10","10","2","8","1") = "9"
    & skf18("4","9","10","10","2","9","1") = "9"
    & skf18("4","9","10","10","2","10","1") = "9"
    & skf18("4","9","10","10","3","1","1") = "9"
    & skf18("4","9","10","10","3","2","1") = "9"
    & skf18("4","9","10","10","3","3","1") = "9"
    & skf18("4","9","10","10","3","4","1") = "9"
    & skf18("4","9","10","10","3","5","1") = "9"
    & skf18("4","9","10","10","3","6","1") = "9"
    & skf18("4","9","10","10","3","7","1") = "9"
    & skf18("4","9","10","10","3","8","1") = "9"
    & skf18("4","9","10","10","3","9","1") = "9"
    & skf18("4","9","10","10","3","10","1") = "9"
    & skf18("4","9","10","10","4","1","1") = "9"
    & skf18("4","9","10","10","4","2","1") = "9"
    & skf18("4","9","10","10","4","3","1") = "9"
    & skf18("4","9","10","10","4","4","1") = "9"
    & skf18("4","9","10","10","4","5","1") = "9"
    & skf18("4","9","10","10","4","6","1") = "9"
    & skf18("4","9","10","10","4","7","1") = "9"
    & skf18("4","9","10","10","4","8","1") = "9"
    & skf18("4","9","10","10","4","9","1") = "9"
    & skf18("4","9","10","10","4","10","1") = "9"
    & skf18("4","9","10","10","5","1","1") = "9"
    & skf18("4","9","10","10","5","2","1") = "9"
    & skf18("4","9","10","10","5","3","1") = "9"
    & skf18("4","9","10","10","5","4","1") = "9"
    & skf18("4","9","10","10","5","5","1") = "9"
    & skf18("4","9","10","10","5","6","1") = "9"
    & skf18("4","9","10","10","5","7","1") = "9"
    & skf18("4","9","10","10","5","8","1") = "9"
    & skf18("4","9","10","10","5","9","1") = "9"
    & skf18("4","9","10","10","5","10","1") = "9"
    & skf18("4","9","10","10","6","1","1") = "9"
    & skf18("4","9","10","10","6","2","1") = "9"
    & skf18("4","9","10","10","6","3","1") = "9"
    & skf18("4","9","10","10","6","4","1") = "9"
    & skf18("4","9","10","10","6","5","1") = "9"
    & skf18("4","9","10","10","6","6","1") = "9"
    & skf18("4","9","10","10","6","7","1") = "9"
    & skf18("4","9","10","10","6","8","1") = "9"
    & skf18("4","9","10","10","6","9","1") = "9"
    & skf18("4","9","10","10","6","10","1") = "9"
    & skf18("4","9","10","10","7","1","1") = "9"
    & skf18("4","9","10","10","7","2","1") = "9"
    & skf18("4","9","10","10","7","3","1") = "9"
    & skf18("4","9","10","10","7","4","1") = "9"
    & skf18("4","9","10","10","7","5","1") = "9"
    & skf18("4","9","10","10","7","6","1") = "9"
    & skf18("4","9","10","10","7","7","1") = "9"
    & skf18("4","9","10","10","7","8","1") = "9"
    & skf18("4","9","10","10","7","9","1") = "9"
    & skf18("4","9","10","10","7","10","1") = "9"
    & skf18("4","9","10","10","8","1","1") = "9"
    & skf18("4","9","10","10","8","2","1") = "9"
    & skf18("4","9","10","10","8","3","1") = "9"
    & skf18("4","9","10","10","8","4","1") = "9"
    & skf18("4","9","10","10","8","5","1") = "9"
    & skf18("4","9","10","10","8","6","1") = "9"
    & skf18("4","9","10","10","8","7","1") = "9"
    & skf18("4","9","10","10","8","8","1") = "9"
    & skf18("4","9","10","10","8","9","1") = "9"
    & skf18("4","9","10","10","8","10","1") = "9"
    & skf18("4","9","10","10","9","1","1") = "9"
    & skf18("4","9","10","10","9","2","1") = "9"
    & skf18("4","9","10","10","9","3","1") = "9"
    & skf18("4","9","10","10","9","4","1") = "9"
    & skf18("4","9","10","10","9","5","1") = "9"
    & skf18("4","9","10","10","9","6","1") = "9"
    & skf18("4","9","10","10","9","7","1") = "9"
    & skf18("4","9","10","10","9","8","1") = "9"
    & skf18("4","9","10","10","9","9","1") = "9"
    & skf18("4","9","10","10","9","10","1") = "9"
    & skf18("4","9","10","10","10","1","1") = "9"
    & skf18("4","9","10","10","10","2","1") = "9"
    & skf18("4","9","10","10","10","3","1") = "9"
    & skf18("4","9","10","10","10","4","1") = "9"
    & skf18("4","9","10","10","10","5","1") = "9"
    & skf18("4","9","10","10","10","6","1") = "9"
    & skf18("4","9","10","10","10","7","1") = "9"
    & skf18("4","9","10","10","10","8","1") = "9"
    & skf18("4","9","10","10","10","9","1") = "9"
    & skf18("4","9","10","10","10","10","1") = "9"
    & skf18("4","10","1","1","1","1","1") = "9"
    & skf18("4","10","1","1","1","2","1") = "9"
    & skf18("4","10","1","1","1","3","1") = "9"
    & skf18("4","10","1","1","1","4","1") = "9"
    & skf18("4","10","1","1","1","5","1") = "9"
    & skf18("4","10","1","1","1","6","1") = "9"
    & skf18("4","10","1","1","1","7","1") = "9"
    & skf18("4","10","1","1","1","8","1") = "9"
    & skf18("4","10","1","1","1","9","1") = "9"
    & skf18("4","10","1","1","1","10","1") = "9"
    & skf18("4","10","1","1","2","1","1") = "9"
    & skf18("4","10","1","1","2","2","1") = "9"
    & skf18("4","10","1","1","2","3","1") = "9"
    & skf18("4","10","1","1","2","4","1") = "9"
    & skf18("4","10","1","1","2","5","1") = "9"
    & skf18("4","10","1","1","2","6","1") = "9"
    & skf18("4","10","1","1","2","7","1") = "9"
    & skf18("4","10","1","1","2","8","1") = "9"
    & skf18("4","10","1","1","2","9","1") = "9"
    & skf18("4","10","1","1","2","10","1") = "9"
    & skf18("4","10","1","1","3","1","1") = "9"
    & skf18("4","10","1","1","3","2","1") = "9"
    & skf18("4","10","1","1","3","3","1") = "9"
    & skf18("4","10","1","1","3","4","1") = "9"
    & skf18("4","10","1","1","3","5","1") = "9"
    & skf18("4","10","1","1","3","6","1") = "9"
    & skf18("4","10","1","1","3","7","1") = "9"
    & skf18("4","10","1","1","3","8","1") = "9"
    & skf18("4","10","1","1","3","9","1") = "9"
    & skf18("4","10","1","1","3","10","1") = "9"
    & skf18("4","10","1","1","4","1","1") = "9"
    & skf18("4","10","1","1","4","2","1") = "9"
    & skf18("4","10","1","1","4","3","1") = "9"
    & skf18("4","10","1","1","4","4","1") = "9"
    & skf18("4","10","1","1","4","5","1") = "9"
    & skf18("4","10","1","1","4","6","1") = "9"
    & skf18("4","10","1","1","4","7","1") = "9"
    & skf18("4","10","1","1","4","8","1") = "9"
    & skf18("4","10","1","1","4","9","1") = "9"
    & skf18("4","10","1","1","4","10","1") = "9"
    & skf18("4","10","1","1","5","1","1") = "9"
    & skf18("4","10","1","1","5","2","1") = "9"
    & skf18("4","10","1","1","5","3","1") = "9"
    & skf18("4","10","1","1","5","4","1") = "9"
    & skf18("4","10","1","1","5","5","1") = "9"
    & skf18("4","10","1","1","5","6","1") = "9"
    & skf18("4","10","1","1","5","7","1") = "9"
    & skf18("4","10","1","1","5","8","1") = "9"
    & skf18("4","10","1","1","5","9","1") = "9"
    & skf18("4","10","1","1","5","10","1") = "9"
    & skf18("4","10","1","1","6","1","1") = "9"
    & skf18("4","10","1","1","6","2","1") = "9"
    & skf18("4","10","1","1","6","3","1") = "9"
    & skf18("4","10","1","1","6","4","1") = "9"
    & skf18("4","10","1","1","6","5","1") = "9"
    & skf18("4","10","1","1","6","6","1") = "9"
    & skf18("4","10","1","1","6","7","1") = "9"
    & skf18("4","10","1","1","6","8","1") = "9"
    & skf18("4","10","1","1","6","9","1") = "9"
    & skf18("4","10","1","1","6","10","1") = "9"
    & skf18("4","10","1","1","7","1","1") = "9"
    & skf18("4","10","1","1","7","2","1") = "9"
    & skf18("4","10","1","1","7","3","1") = "9"
    & skf18("4","10","1","1","7","4","1") = "9"
    & skf18("4","10","1","1","7","5","1") = "9"
    & skf18("4","10","1","1","7","6","1") = "9"
    & skf18("4","10","1","1","7","7","1") = "9"
    & skf18("4","10","1","1","7","8","1") = "9"
    & skf18("4","10","1","1","7","9","1") = "9"
    & skf18("4","10","1","1","7","10","1") = "9"
    & skf18("4","10","1","1","8","1","1") = "9"
    & skf18("4","10","1","1","8","2","1") = "9"
    & skf18("4","10","1","1","8","3","1") = "9"
    & skf18("4","10","1","1","8","4","1") = "9"
    & skf18("4","10","1","1","8","5","1") = "9"
    & skf18("4","10","1","1","8","6","1") = "9"
    & skf18("4","10","1","1","8","7","1") = "9"
    & skf18("4","10","1","1","8","8","1") = "9"
    & skf18("4","10","1","1","8","9","1") = "9"
    & skf18("4","10","1","1","8","10","1") = "9"
    & skf18("4","10","1","1","9","1","1") = "9"
    & skf18("4","10","1","1","9","2","1") = "9"
    & skf18("4","10","1","1","9","3","1") = "9"
    & skf18("4","10","1","1","9","4","1") = "9"
    & skf18("4","10","1","1","9","5","1") = "9"
    & skf18("4","10","1","1","9","6","1") = "9"
    & skf18("4","10","1","1","9","7","1") = "9"
    & skf18("4","10","1","1","9","8","1") = "9"
    & skf18("4","10","1","1","9","9","1") = "9"
    & skf18("4","10","1","1","9","10","1") = "9"
    & skf18("4","10","1","1","10","1","1") = "9"
    & skf18("4","10","1","1","10","2","1") = "9"
    & skf18("4","10","1","1","10","3","1") = "9"
    & skf18("4","10","1","1","10","4","1") = "9"
    & skf18("4","10","1","1","10","5","1") = "9"
    & skf18("4","10","1","1","10","6","1") = "9"
    & skf18("4","10","1","1","10","7","1") = "9"
    & skf18("4","10","1","1","10","8","1") = "9"
    & skf18("4","10","1","1","10","9","1") = "9"
    & skf18("4","10","1","1","10","10","1") = "9"
    & skf18("4","10","1","2","1","1","1") = "9"
    & skf18("4","10","1","2","1","2","1") = "9"
    & skf18("4","10","1","2","1","3","1") = "9"
    & skf18("4","10","1","2","1","4","1") = "9"
    & skf18("4","10","1","2","1","5","1") = "9"
    & skf18("4","10","1","2","1","6","1") = "9"
    & skf18("4","10","1","2","1","7","1") = "9"
    & skf18("4","10","1","2","1","8","1") = "9"
    & skf18("4","10","1","2","1","9","1") = "9"
    & skf18("4","10","1","2","1","10","1") = "9"
    & skf18("4","10","1","2","2","1","1") = "9"
    & skf18("4","10","1","2","2","2","1") = "9"
    & skf18("4","10","1","2","2","3","1") = "9"
    & skf18("4","10","1","2","2","4","1") = "9"
    & skf18("4","10","1","2","2","5","1") = "9"
    & skf18("4","10","1","2","2","6","1") = "9"
    & skf18("4","10","1","2","2","7","1") = "9"
    & skf18("4","10","1","2","2","8","1") = "9"
    & skf18("4","10","1","2","2","9","1") = "9"
    & skf18("4","10","1","2","2","10","1") = "9"
    & skf18("4","10","1","2","3","1","1") = "9"
    & skf18("4","10","1","2","3","2","1") = "9"
    & skf18("4","10","1","2","3","3","1") = "9"
    & skf18("4","10","1","2","3","4","1") = "9"
    & skf18("4","10","1","2","3","5","1") = "9"
    & skf18("4","10","1","2","3","6","1") = "9"
    & skf18("4","10","1","2","3","7","1") = "9"
    & skf18("4","10","1","2","3","8","1") = "9"
    & skf18("4","10","1","2","3","9","1") = "9"
    & skf18("4","10","1","2","3","10","1") = "9"
    & skf18("4","10","1","2","4","1","1") = "9"
    & skf18("4","10","1","2","4","2","1") = "9"
    & skf18("4","10","1","2","4","3","1") = "9"
    & skf18("4","10","1","2","4","4","1") = "9"
    & skf18("4","10","1","2","4","5","1") = "9"
    & skf18("4","10","1","2","4","6","1") = "9"
    & skf18("4","10","1","2","4","7","1") = "9"
    & skf18("4","10","1","2","4","8","1") = "9"
    & skf18("4","10","1","2","4","9","1") = "9"
    & skf18("4","10","1","2","4","10","1") = "9"
    & skf18("4","10","1","2","5","1","1") = "9"
    & skf18("4","10","1","2","5","2","1") = "9"
    & skf18("4","10","1","2","5","3","1") = "9"
    & skf18("4","10","1","2","5","4","1") = "9"
    & skf18("4","10","1","2","5","5","1") = "9"
    & skf18("4","10","1","2","5","6","1") = "9"
    & skf18("4","10","1","2","5","7","1") = "9"
    & skf18("4","10","1","2","5","8","1") = "9"
    & skf18("4","10","1","2","5","9","1") = "9"
    & skf18("4","10","1","2","5","10","1") = "9"
    & skf18("4","10","1","2","6","1","1") = "9"
    & skf18("4","10","1","2","6","2","1") = "9"
    & skf18("4","10","1","2","6","3","1") = "9"
    & skf18("4","10","1","2","6","4","1") = "9"
    & skf18("4","10","1","2","6","5","1") = "9"
    & skf18("4","10","1","2","6","6","1") = "9"
    & skf18("4","10","1","2","6","7","1") = "9"
    & skf18("4","10","1","2","6","8","1") = "9"
    & skf18("4","10","1","2","6","9","1") = "9"
    & skf18("4","10","1","2","6","10","1") = "9"
    & skf18("4","10","1","2","7","1","1") = "9"
    & skf18("4","10","1","2","7","2","1") = "9"
    & skf18("4","10","1","2","7","3","1") = "9"
    & skf18("4","10","1","2","7","4","1") = "9"
    & skf18("4","10","1","2","7","5","1") = "9"
    & skf18("4","10","1","2","7","6","1") = "9"
    & skf18("4","10","1","2","7","7","1") = "9"
    & skf18("4","10","1","2","7","8","1") = "9"
    & skf18("4","10","1","2","7","9","1") = "9"
    & skf18("4","10","1","2","7","10","1") = "9"
    & skf18("4","10","1","2","8","1","1") = "9"
    & skf18("4","10","1","2","8","2","1") = "9"
    & skf18("4","10","1","2","8","3","1") = "9"
    & skf18("4","10","1","2","8","4","1") = "9"
    & skf18("4","10","1","2","8","5","1") = "9"
    & skf18("4","10","1","2","8","6","1") = "9"
    & skf18("4","10","1","2","8","7","1") = "9"
    & skf18("4","10","1","2","8","8","1") = "9"
    & skf18("4","10","1","2","8","9","1") = "9"
    & skf18("4","10","1","2","8","10","1") = "9"
    & skf18("4","10","1","2","9","1","1") = "9"
    & skf18("4","10","1","2","9","2","1") = "9"
    & skf18("4","10","1","2","9","3","1") = "9"
    & skf18("4","10","1","2","9","4","1") = "9"
    & skf18("4","10","1","2","9","5","1") = "9"
    & skf18("4","10","1","2","9","6","1") = "9"
    & skf18("4","10","1","2","9","7","1") = "9"
    & skf18("4","10","1","2","9","8","1") = "9"
    & skf18("4","10","1","2","9","9","1") = "9"
    & skf18("4","10","1","2","9","10","1") = "9"
    & skf18("4","10","1","2","10","1","1") = "9"
    & skf18("4","10","1","2","10","2","1") = "9"
    & skf18("4","10","1","2","10","3","1") = "9"
    & skf18("4","10","1","2","10","4","1") = "9"
    & skf18("4","10","1","2","10","5","1") = "9"
    & skf18("4","10","1","2","10","6","1") = "9"
    & skf18("4","10","1","2","10","7","1") = "9"
    & skf18("4","10","1","2","10","8","1") = "9"
    & skf18("4","10","1","2","10","9","1") = "9"
    & skf18("4","10","1","2","10","10","1") = "9"
    & skf18("4","10","1","3","1","1","1") = "9"
    & skf18("4","10","1","3","1","2","1") = "9"
    & skf18("4","10","1","3","1","3","1") = "9"
    & skf18("4","10","1","3","1","4","1") = "9"
    & skf18("4","10","1","3","1","5","1") = "9"
    & skf18("4","10","1","3","1","6","1") = "9"
    & skf18("4","10","1","3","1","7","1") = "9"
    & skf18("4","10","1","3","1","8","1") = "9"
    & skf18("4","10","1","3","1","9","1") = "9"
    & skf18("4","10","1","3","1","10","1") = "9"
    & skf18("4","10","1","3","2","1","1") = "9"
    & skf18("4","10","1","3","2","2","1") = "9"
    & skf18("4","10","1","3","2","3","1") = "9"
    & skf18("4","10","1","3","2","4","1") = "9"
    & skf18("4","10","1","3","2","5","1") = "9"
    & skf18("4","10","1","3","2","6","1") = "9"
    & skf18("4","10","1","3","2","7","1") = "9"
    & skf18("4","10","1","3","2","8","1") = "9"
    & skf18("4","10","1","3","2","9","1") = "9"
    & skf18("4","10","1","3","2","10","1") = "9"
    & skf18("4","10","1","3","3","1","1") = "9"
    & skf18("4","10","1","3","3","2","1") = "9"
    & skf18("4","10","1","3","3","3","1") = "9"
    & skf18("4","10","1","3","3","4","1") = "9"
    & skf18("4","10","1","3","3","5","1") = "9"
    & skf18("4","10","1","3","3","6","1") = "9"
    & skf18("4","10","1","3","3","7","1") = "9"
    & skf18("4","10","1","3","3","8","1") = "9"
    & skf18("4","10","1","3","3","9","1") = "9"
    & skf18("4","10","1","3","3","10","1") = "9"
    & skf18("4","10","1","3","4","1","1") = "9"
    & skf18("4","10","1","3","4","2","1") = "9"
    & skf18("4","10","1","3","4","3","1") = "9"
    & skf18("4","10","1","3","4","4","1") = "9"
    & skf18("4","10","1","3","4","5","1") = "9"
    & skf18("4","10","1","3","4","6","1") = "9"
    & skf18("4","10","1","3","4","7","1") = "9"
    & skf18("4","10","1","3","4","8","1") = "9"
    & skf18("4","10","1","3","4","9","1") = "9"
    & skf18("4","10","1","3","4","10","1") = "9"
    & skf18("4","10","1","3","5","1","1") = "9"
    & skf18("4","10","1","3","5","2","1") = "9"
    & skf18("4","10","1","3","5","3","1") = "9"
    & skf18("4","10","1","3","5","4","1") = "9"
    & skf18("4","10","1","3","5","5","1") = "9"
    & skf18("4","10","1","3","5","6","1") = "9"
    & skf18("4","10","1","3","5","7","1") = "9"
    & skf18("4","10","1","3","5","8","1") = "9"
    & skf18("4","10","1","3","5","9","1") = "9"
    & skf18("4","10","1","3","5","10","1") = "9"
    & skf18("4","10","1","3","6","1","1") = "9"
    & skf18("4","10","1","3","6","2","1") = "9"
    & skf18("4","10","1","3","6","3","1") = "9"
    & skf18("4","10","1","3","6","4","1") = "9"
    & skf18("4","10","1","3","6","5","1") = "9"
    & skf18("4","10","1","3","6","6","1") = "9"
    & skf18("4","10","1","3","6","7","1") = "9"
    & skf18("4","10","1","3","6","8","1") = "9"
    & skf18("4","10","1","3","6","9","1") = "9"
    & skf18("4","10","1","3","6","10","1") = "9"
    & skf18("4","10","1","3","7","1","1") = "9"
    & skf18("4","10","1","3","7","2","1") = "9"
    & skf18("4","10","1","3","7","3","1") = "9"
    & skf18("4","10","1","3","7","4","1") = "9"
    & skf18("4","10","1","3","7","5","1") = "9"
    & skf18("4","10","1","3","7","6","1") = "9"
    & skf18("4","10","1","3","7","7","1") = "9"
    & skf18("4","10","1","3","7","8","1") = "9"
    & skf18("4","10","1","3","7","9","1") = "9"
    & skf18("4","10","1","3","7","10","1") = "9"
    & skf18("4","10","1","3","8","1","1") = "9"
    & skf18("4","10","1","3","8","2","1") = "9"
    & skf18("4","10","1","3","8","3","1") = "9"
    & skf18("4","10","1","3","8","4","1") = "9"
    & skf18("4","10","1","3","8","5","1") = "9"
    & skf18("4","10","1","3","8","6","1") = "9"
    & skf18("4","10","1","3","8","7","1") = "9"
    & skf18("4","10","1","3","8","8","1") = "9"
    & skf18("4","10","1","3","8","9","1") = "9"
    & skf18("4","10","1","3","8","10","1") = "9"
    & skf18("4","10","1","3","9","1","1") = "9"
    & skf18("4","10","1","3","9","2","1") = "9"
    & skf18("4","10","1","3","9","3","1") = "9"
    & skf18("4","10","1","3","9","4","1") = "9"
    & skf18("4","10","1","3","9","5","1") = "9"
    & skf18("4","10","1","3","9","6","1") = "9"
    & skf18("4","10","1","3","9","7","1") = "9"
    & skf18("4","10","1","3","9","8","1") = "9"
    & skf18("4","10","1","3","9","9","1") = "9"
    & skf18("4","10","1","3","9","10","1") = "9"
    & skf18("4","10","1","3","10","1","1") = "9"
    & skf18("4","10","1","3","10","2","1") = "9"
    & skf18("4","10","1","3","10","3","1") = "9"
    & skf18("4","10","1","3","10","4","1") = "9"
    & skf18("4","10","1","3","10","5","1") = "9"
    & skf18("4","10","1","3","10","6","1") = "9"
    & skf18("4","10","1","3","10","7","1") = "9"
    & skf18("4","10","1","3","10","8","1") = "9"
    & skf18("4","10","1","3","10","9","1") = "9"
    & skf18("4","10","1","3","10","10","1") = "9"
    & skf18("4","10","1","4","1","1","1") = "9"
    & skf18("4","10","1","4","1","2","1") = "9"
    & skf18("4","10","1","4","1","3","1") = "9"
    & skf18("4","10","1","4","1","4","1") = "9"
    & skf18("4","10","1","4","1","5","1") = "9"
    & skf18("4","10","1","4","1","6","1") = "9"
    & skf18("4","10","1","4","1","7","1") = "9"
    & skf18("4","10","1","4","1","8","1") = "9"
    & skf18("4","10","1","4","1","9","1") = "9"
    & skf18("4","10","1","4","1","10","1") = "9"
    & skf18("4","10","1","4","2","1","1") = "9"
    & skf18("4","10","1","4","2","2","1") = "9"
    & skf18("4","10","1","4","2","3","1") = "9"
    & skf18("4","10","1","4","2","4","1") = "9"
    & skf18("4","10","1","4","2","5","1") = "9"
    & skf18("4","10","1","4","2","6","1") = "9"
    & skf18("4","10","1","4","2","7","1") = "9"
    & skf18("4","10","1","4","2","8","1") = "9"
    & skf18("4","10","1","4","2","9","1") = "9"
    & skf18("4","10","1","4","2","10","1") = "9"
    & skf18("4","10","1","4","3","1","1") = "9"
    & skf18("4","10","1","4","3","2","1") = "9"
    & skf18("4","10","1","4","3","3","1") = "9"
    & skf18("4","10","1","4","3","4","1") = "9"
    & skf18("4","10","1","4","3","5","1") = "9"
    & skf18("4","10","1","4","3","6","1") = "9"
    & skf18("4","10","1","4","3","7","1") = "9"
    & skf18("4","10","1","4","3","8","1") = "9"
    & skf18("4","10","1","4","3","9","1") = "9"
    & skf18("4","10","1","4","3","10","1") = "9"
    & skf18("4","10","1","4","4","1","1") = "9"
    & skf18("4","10","1","4","4","2","1") = "9"
    & skf18("4","10","1","4","4","3","1") = "9"
    & skf18("4","10","1","4","4","4","1") = "9"
    & skf18("4","10","1","4","4","5","1") = "9"
    & skf18("4","10","1","4","4","6","1") = "9"
    & skf18("4","10","1","4","4","7","1") = "9"
    & skf18("4","10","1","4","4","8","1") = "9"
    & skf18("4","10","1","4","4","9","1") = "9"
    & skf18("4","10","1","4","4","10","1") = "9"
    & skf18("4","10","1","4","5","1","1") = "9"
    & skf18("4","10","1","4","5","2","1") = "9"
    & skf18("4","10","1","4","5","3","1") = "9"
    & skf18("4","10","1","4","5","4","1") = "9"
    & skf18("4","10","1","4","5","5","1") = "9"
    & skf18("4","10","1","4","5","6","1") = "9"
    & skf18("4","10","1","4","5","7","1") = "9"
    & skf18("4","10","1","4","5","8","1") = "9"
    & skf18("4","10","1","4","5","9","1") = "9"
    & skf18("4","10","1","4","5","10","1") = "9"
    & skf18("4","10","1","4","6","1","1") = "9"
    & skf18("4","10","1","4","6","2","1") = "9"
    & skf18("4","10","1","4","6","3","1") = "9"
    & skf18("4","10","1","4","6","4","1") = "9"
    & skf18("4","10","1","4","6","5","1") = "9"
    & skf18("4","10","1","4","6","6","1") = "9"
    & skf18("4","10","1","4","6","7","1") = "9"
    & skf18("4","10","1","4","6","8","1") = "9"
    & skf18("4","10","1","4","6","9","1") = "9"
    & skf18("4","10","1","4","6","10","1") = "9"
    & skf18("4","10","1","4","7","1","1") = "9"
    & skf18("4","10","1","4","7","2","1") = "9"
    & skf18("4","10","1","4","7","3","1") = "9"
    & skf18("4","10","1","4","7","4","1") = "9"
    & skf18("4","10","1","4","7","5","1") = "9"
    & skf18("4","10","1","4","7","6","1") = "9"
    & skf18("4","10","1","4","7","7","1") = "9"
    & skf18("4","10","1","4","7","8","1") = "9"
    & skf18("4","10","1","4","7","9","1") = "9"
    & skf18("4","10","1","4","7","10","1") = "9"
    & skf18("4","10","1","4","8","1","1") = "9"
    & skf18("4","10","1","4","8","2","1") = "9"
    & skf18("4","10","1","4","8","3","1") = "9"
    & skf18("4","10","1","4","8","4","1") = "9"
    & skf18("4","10","1","4","8","5","1") = "9"
    & skf18("4","10","1","4","8","6","1") = "9"
    & skf18("4","10","1","4","8","7","1") = "9"
    & skf18("4","10","1","4","8","8","1") = "9"
    & skf18("4","10","1","4","8","9","1") = "9"
    & skf18("4","10","1","4","8","10","1") = "9"
    & skf18("4","10","1","4","9","1","1") = "9"
    & skf18("4","10","1","4","9","2","1") = "9"
    & skf18("4","10","1","4","9","3","1") = "9"
    & skf18("4","10","1","4","9","4","1") = "9"
    & skf18("4","10","1","4","9","5","1") = "9"
    & skf18("4","10","1","4","9","6","1") = "9"
    & skf18("4","10","1","4","9","7","1") = "9"
    & skf18("4","10","1","4","9","8","1") = "9"
    & skf18("4","10","1","4","9","9","1") = "9"
    & skf18("4","10","1","4","9","10","1") = "9"
    & skf18("4","10","1","4","10","1","1") = "9"
    & skf18("4","10","1","4","10","2","1") = "9"
    & skf18("4","10","1","4","10","3","1") = "9"
    & skf18("4","10","1","4","10","4","1") = "9"
    & skf18("4","10","1","4","10","5","1") = "9"
    & skf18("4","10","1","4","10","6","1") = "9"
    & skf18("4","10","1","4","10","7","1") = "9"
    & skf18("4","10","1","4","10","8","1") = "9"
    & skf18("4","10","1","4","10","9","1") = "9"
    & skf18("4","10","1","4","10","10","1") = "9"
    & skf18("4","10","1","5","1","1","1") = "9"
    & skf18("4","10","1","5","1","2","1") = "9"
    & skf18("4","10","1","5","1","3","1") = "9"
    & skf18("4","10","1","5","1","4","1") = "9"
    & skf18("4","10","1","5","1","5","1") = "9"
    & skf18("4","10","1","5","1","6","1") = "9"
    & skf18("4","10","1","5","1","7","1") = "9"
    & skf18("4","10","1","5","1","8","1") = "9"
    & skf18("4","10","1","5","1","9","1") = "9"
    & skf18("4","10","1","5","1","10","1") = "9"
    & skf18("4","10","1","5","2","1","1") = "9"
    & skf18("4","10","1","5","2","2","1") = "9"
    & skf18("4","10","1","5","2","3","1") = "9"
    & skf18("4","10","1","5","2","4","1") = "9"
    & skf18("4","10","1","5","2","5","1") = "9"
    & skf18("4","10","1","5","2","6","1") = "9"
    & skf18("4","10","1","5","2","7","1") = "9"
    & skf18("4","10","1","5","2","8","1") = "9"
    & skf18("4","10","1","5","2","9","1") = "9"
    & skf18("4","10","1","5","2","10","1") = "9"
    & skf18("4","10","1","5","3","1","1") = "9"
    & skf18("4","10","1","5","3","2","1") = "9"
    & skf18("4","10","1","5","3","3","1") = "9"
    & skf18("4","10","1","5","3","4","1") = "9"
    & skf18("4","10","1","5","3","5","1") = "9"
    & skf18("4","10","1","5","3","6","1") = "9"
    & skf18("4","10","1","5","3","7","1") = "9"
    & skf18("4","10","1","5","3","8","1") = "9"
    & skf18("4","10","1","5","3","9","1") = "9"
    & skf18("4","10","1","5","3","10","1") = "9"
    & skf18("4","10","1","5","4","1","1") = "9"
    & skf18("4","10","1","5","4","2","1") = "9"
    & skf18("4","10","1","5","4","3","1") = "9"
    & skf18("4","10","1","5","4","4","1") = "9"
    & skf18("4","10","1","5","4","5","1") = "9"
    & skf18("4","10","1","5","4","6","1") = "9"
    & skf18("4","10","1","5","4","7","1") = "9"
    & skf18("4","10","1","5","4","8","1") = "9"
    & skf18("4","10","1","5","4","9","1") = "9"
    & skf18("4","10","1","5","4","10","1") = "9"
    & skf18("4","10","1","5","5","1","1") = "9"
    & skf18("4","10","1","5","5","2","1") = "9"
    & skf18("4","10","1","5","5","3","1") = "9"
    & skf18("4","10","1","5","5","4","1") = "9"
    & skf18("4","10","1","5","5","5","1") = "9"
    & skf18("4","10","1","5","5","6","1") = "9"
    & skf18("4","10","1","5","5","7","1") = "9"
    & skf18("4","10","1","5","5","8","1") = "9"
    & skf18("4","10","1","5","5","9","1") = "9"
    & skf18("4","10","1","5","5","10","1") = "9"
    & skf18("4","10","1","5","6","1","1") = "9"
    & skf18("4","10","1","5","6","2","1") = "9"
    & skf18("4","10","1","5","6","3","1") = "9"
    & skf18("4","10","1","5","6","4","1") = "9"
    & skf18("4","10","1","5","6","5","1") = "9"
    & skf18("4","10","1","5","6","6","1") = "9"
    & skf18("4","10","1","5","6","7","1") = "9"
    & skf18("4","10","1","5","6","8","1") = "9"
    & skf18("4","10","1","5","6","9","1") = "9"
    & skf18("4","10","1","5","6","10","1") = "9"
    & skf18("4","10","1","5","7","1","1") = "9"
    & skf18("4","10","1","5","7","2","1") = "9"
    & skf18("4","10","1","5","7","3","1") = "9"
    & skf18("4","10","1","5","7","4","1") = "9"
    & skf18("4","10","1","5","7","5","1") = "9"
    & skf18("4","10","1","5","7","6","1") = "9"
    & skf18("4","10","1","5","7","7","1") = "9"
    & skf18("4","10","1","5","7","8","1") = "9"
    & skf18("4","10","1","5","7","9","1") = "9"
    & skf18("4","10","1","5","7","10","1") = "9"
    & skf18("4","10","1","5","8","1","1") = "9"
    & skf18("4","10","1","5","8","2","1") = "9"
    & skf18("4","10","1","5","8","3","1") = "9"
    & skf18("4","10","1","5","8","4","1") = "9"
    & skf18("4","10","1","5","8","5","1") = "9"
    & skf18("4","10","1","5","8","6","1") = "9"
    & skf18("4","10","1","5","8","7","1") = "9"
    & skf18("4","10","1","5","8","8","1") = "9"
    & skf18("4","10","1","5","8","9","1") = "9"
    & skf18("4","10","1","5","8","10","1") = "9"
    & skf18("4","10","1","5","9","1","1") = "9"
    & skf18("4","10","1","5","9","2","1") = "9"
    & skf18("4","10","1","5","9","3","1") = "9"
    & skf18("4","10","1","5","9","4","1") = "9"
    & skf18("4","10","1","5","9","5","1") = "9"
    & skf18("4","10","1","5","9","6","1") = "9"
    & skf18("4","10","1","5","9","7","1") = "9"
    & skf18("4","10","1","5","9","8","1") = "9"
    & skf18("4","10","1","5","9","9","1") = "9"
    & skf18("4","10","1","5","9","10","1") = "9"
    & skf18("4","10","1","5","10","1","1") = "9"
    & skf18("4","10","1","5","10","2","1") = "9"
    & skf18("4","10","1","5","10","3","1") = "9"
    & skf18("4","10","1","5","10","4","1") = "9"
    & skf18("4","10","1","5","10","5","1") = "9"
    & skf18("4","10","1","5","10","6","1") = "9"
    & skf18("4","10","1","5","10","7","1") = "9"
    & skf18("4","10","1","5","10","8","1") = "9"
    & skf18("4","10","1","5","10","9","1") = "9"
    & skf18("4","10","1","5","10","10","1") = "9"
    & skf18("4","10","1","6","1","1","1") = "9"
    & skf18("4","10","1","6","1","2","1") = "9"
    & skf18("4","10","1","6","1","3","1") = "9"
    & skf18("4","10","1","6","1","4","1") = "9"
    & skf18("4","10","1","6","1","5","1") = "9"
    & skf18("4","10","1","6","1","6","1") = "9"
    & skf18("4","10","1","6","1","7","1") = "9"
    & skf18("4","10","1","6","1","8","1") = "9"
    & skf18("4","10","1","6","1","9","1") = "9"
    & skf18("4","10","1","6","1","10","1") = "9"
    & skf18("4","10","1","6","2","1","1") = "9"
    & skf18("4","10","1","6","2","2","1") = "9"
    & skf18("4","10","1","6","2","3","1") = "9"
    & skf18("4","10","1","6","2","4","1") = "9"
    & skf18("4","10","1","6","2","5","1") = "9"
    & skf18("4","10","1","6","2","6","1") = "9"
    & skf18("4","10","1","6","2","7","1") = "9"
    & skf18("4","10","1","6","2","8","1") = "9"
    & skf18("4","10","1","6","2","9","1") = "9"
    & skf18("4","10","1","6","2","10","1") = "9"
    & skf18("4","10","1","6","3","1","1") = "9"
    & skf18("4","10","1","6","3","2","1") = "9"
    & skf18("4","10","1","6","3","3","1") = "9"
    & skf18("4","10","1","6","3","4","1") = "9"
    & skf18("4","10","1","6","3","5","1") = "9"
    & skf18("4","10","1","6","3","6","1") = "9"
    & skf18("4","10","1","6","3","7","1") = "9"
    & skf18("4","10","1","6","3","8","1") = "9"
    & skf18("4","10","1","6","3","9","1") = "9"
    & skf18("4","10","1","6","3","10","1") = "9"
    & skf18("4","10","1","6","4","1","1") = "9"
    & skf18("4","10","1","6","4","2","1") = "9"
    & skf18("4","10","1","6","4","3","1") = "9"
    & skf18("4","10","1","6","4","4","1") = "9"
    & skf18("4","10","1","6","4","5","1") = "9"
    & skf18("4","10","1","6","4","6","1") = "9"
    & skf18("4","10","1","6","4","7","1") = "9"
    & skf18("4","10","1","6","4","8","1") = "9"
    & skf18("4","10","1","6","4","9","1") = "9"
    & skf18("4","10","1","6","4","10","1") = "9"
    & skf18("4","10","1","6","5","1","1") = "9"
    & skf18("4","10","1","6","5","2","1") = "9"
    & skf18("4","10","1","6","5","3","1") = "9"
    & skf18("4","10","1","6","5","4","1") = "9"
    & skf18("4","10","1","6","5","5","1") = "9"
    & skf18("4","10","1","6","5","6","1") = "9"
    & skf18("4","10","1","6","5","7","1") = "9"
    & skf18("4","10","1","6","5","8","1") = "9"
    & skf18("4","10","1","6","5","9","1") = "9"
    & skf18("4","10","1","6","5","10","1") = "9"
    & skf18("4","10","1","6","6","1","1") = "9"
    & skf18("4","10","1","6","6","2","1") = "9"
    & skf18("4","10","1","6","6","3","1") = "9"
    & skf18("4","10","1","6","6","4","1") = "9"
    & skf18("4","10","1","6","6","5","1") = "9"
    & skf18("4","10","1","6","6","6","1") = "9"
    & skf18("4","10","1","6","6","7","1") = "9"
    & skf18("4","10","1","6","6","8","1") = "9"
    & skf18("4","10","1","6","6","9","1") = "9"
    & skf18("4","10","1","6","6","10","1") = "9"
    & skf18("4","10","1","6","7","1","1") = "9"
    & skf18("4","10","1","6","7","2","1") = "9"
    & skf18("4","10","1","6","7","3","1") = "9"
    & skf18("4","10","1","6","7","4","1") = "9"
    & skf18("4","10","1","6","7","5","1") = "9"
    & skf18("4","10","1","6","7","6","1") = "9"
    & skf18("4","10","1","6","7","7","1") = "9"
    & skf18("4","10","1","6","7","8","1") = "9"
    & skf18("4","10","1","6","7","9","1") = "9"
    & skf18("4","10","1","6","7","10","1") = "9"
    & skf18("4","10","1","6","8","1","1") = "9"
    & skf18("4","10","1","6","8","2","1") = "9"
    & skf18("4","10","1","6","8","3","1") = "9"
    & skf18("4","10","1","6","8","4","1") = "9"
    & skf18("4","10","1","6","8","5","1") = "9"
    & skf18("4","10","1","6","8","6","1") = "9"
    & skf18("4","10","1","6","8","7","1") = "9"
    & skf18("4","10","1","6","8","8","1") = "9"
    & skf18("4","10","1","6","8","9","1") = "9"
    & skf18("4","10","1","6","8","10","1") = "9"
    & skf18("4","10","1","6","9","1","1") = "9"
    & skf18("4","10","1","6","9","2","1") = "9"
    & skf18("4","10","1","6","9","3","1") = "9"
    & skf18("4","10","1","6","9","4","1") = "9"
    & skf18("4","10","1","6","9","5","1") = "9"
    & skf18("4","10","1","6","9","6","1") = "9"
    & skf18("4","10","1","6","9","7","1") = "9"
    & skf18("4","10","1","6","9","8","1") = "9"
    & skf18("4","10","1","6","9","9","1") = "9"
    & skf18("4","10","1","6","9","10","1") = "9"
    & skf18("4","10","1","6","10","1","1") = "9"
    & skf18("4","10","1","6","10","2","1") = "9"
    & skf18("4","10","1","6","10","3","1") = "9"
    & skf18("4","10","1","6","10","4","1") = "9"
    & skf18("4","10","1","6","10","5","1") = "9"
    & skf18("4","10","1","6","10","6","1") = "9"
    & skf18("4","10","1","6","10","7","1") = "9"
    & skf18("4","10","1","6","10","8","1") = "9"
    & skf18("4","10","1","6","10","9","1") = "9"
    & skf18("4","10","1","6","10","10","1") = "9"
    & skf18("4","10","1","7","1","1","1") = "9"
    & skf18("4","10","1","7","1","2","1") = "9"
    & skf18("4","10","1","7","1","3","1") = "9"
    & skf18("4","10","1","7","1","4","1") = "9"
    & skf18("4","10","1","7","1","5","1") = "9"
    & skf18("4","10","1","7","1","6","1") = "9"
    & skf18("4","10","1","7","1","7","1") = "9"
    & skf18("4","10","1","7","1","8","1") = "9"
    & skf18("4","10","1","7","1","9","1") = "9"
    & skf18("4","10","1","7","1","10","1") = "9"
    & skf18("4","10","1","7","2","1","1") = "9"
    & skf18("4","10","1","7","2","2","1") = "9"
    & skf18("4","10","1","7","2","3","1") = "9"
    & skf18("4","10","1","7","2","4","1") = "9"
    & skf18("4","10","1","7","2","5","1") = "9"
    & skf18("4","10","1","7","2","6","1") = "9"
    & skf18("4","10","1","7","2","7","1") = "9"
    & skf18("4","10","1","7","2","8","1") = "9"
    & skf18("4","10","1","7","2","9","1") = "9"
    & skf18("4","10","1","7","2","10","1") = "9"
    & skf18("4","10","1","7","3","1","1") = "9"
    & skf18("4","10","1","7","3","2","1") = "9"
    & skf18("4","10","1","7","3","3","1") = "9"
    & skf18("4","10","1","7","3","4","1") = "9"
    & skf18("4","10","1","7","3","5","1") = "9"
    & skf18("4","10","1","7","3","6","1") = "9"
    & skf18("4","10","1","7","3","7","1") = "9"
    & skf18("4","10","1","7","3","8","1") = "9"
    & skf18("4","10","1","7","3","9","1") = "9"
    & skf18("4","10","1","7","3","10","1") = "9"
    & skf18("4","10","1","7","4","1","1") = "9"
    & skf18("4","10","1","7","4","2","1") = "9"
    & skf18("4","10","1","7","4","3","1") = "9"
    & skf18("4","10","1","7","4","4","1") = "9"
    & skf18("4","10","1","7","4","5","1") = "9"
    & skf18("4","10","1","7","4","6","1") = "9"
    & skf18("4","10","1","7","4","7","1") = "9"
    & skf18("4","10","1","7","4","8","1") = "9"
    & skf18("4","10","1","7","4","9","1") = "9"
    & skf18("4","10","1","7","4","10","1") = "9"
    & skf18("4","10","1","7","5","1","1") = "9"
    & skf18("4","10","1","7","5","2","1") = "9"
    & skf18("4","10","1","7","5","3","1") = "9"
    & skf18("4","10","1","7","5","4","1") = "9"
    & skf18("4","10","1","7","5","5","1") = "9"
    & skf18("4","10","1","7","5","6","1") = "9"
    & skf18("4","10","1","7","5","7","1") = "9"
    & skf18("4","10","1","7","5","8","1") = "9"
    & skf18("4","10","1","7","5","9","1") = "9"
    & skf18("4","10","1","7","5","10","1") = "9"
    & skf18("4","10","1","7","6","1","1") = "9"
    & skf18("4","10","1","7","6","2","1") = "9"
    & skf18("4","10","1","7","6","3","1") = "9"
    & skf18("4","10","1","7","6","4","1") = "9"
    & skf18("4","10","1","7","6","5","1") = "9"
    & skf18("4","10","1","7","6","6","1") = "9"
    & skf18("4","10","1","7","6","7","1") = "9"
    & skf18("4","10","1","7","6","8","1") = "9"
    & skf18("4","10","1","7","6","9","1") = "9"
    & skf18("4","10","1","7","6","10","1") = "9"
    & skf18("4","10","1","7","7","1","1") = "9"
    & skf18("4","10","1","7","7","2","1") = "9"
    & skf18("4","10","1","7","7","3","1") = "9"
    & skf18("4","10","1","7","7","4","1") = "9"
    & skf18("4","10","1","7","7","5","1") = "9"
    & skf18("4","10","1","7","7","6","1") = "9"
    & skf18("4","10","1","7","7","7","1") = "9"
    & skf18("4","10","1","7","7","8","1") = "9"
    & skf18("4","10","1","7","7","9","1") = "9"
    & skf18("4","10","1","7","7","10","1") = "9"
    & skf18("4","10","1","7","8","1","1") = "9"
    & skf18("4","10","1","7","8","2","1") = "9"
    & skf18("4","10","1","7","8","3","1") = "9"
    & skf18("4","10","1","7","8","4","1") = "9"
    & skf18("4","10","1","7","8","5","1") = "9"
    & skf18("4","10","1","7","8","6","1") = "9"
    & skf18("4","10","1","7","8","7","1") = "9"
    & skf18("4","10","1","7","8","8","1") = "9"
    & skf18("4","10","1","7","8","9","1") = "9"
    & skf18("4","10","1","7","8","10","1") = "9"
    & skf18("4","10","1","7","9","1","1") = "9"
    & skf18("4","10","1","7","9","2","1") = "9"
    & skf18("4","10","1","7","9","3","1") = "9"
    & skf18("4","10","1","7","9","4","1") = "9"
    & skf18("4","10","1","7","9","5","1") = "9"
    & skf18("4","10","1","7","9","6","1") = "9"
    & skf18("4","10","1","7","9","7","1") = "9"
    & skf18("4","10","1","7","9","8","1") = "9"
    & skf18("4","10","1","7","9","9","1") = "9"
    & skf18("4","10","1","7","9","10","1") = "9"
    & skf18("4","10","1","7","10","1","1") = "9"
    & skf18("4","10","1","7","10","2","1") = "9"
    & skf18("4","10","1","7","10","3","1") = "9"
    & skf18("4","10","1","7","10","4","1") = "9"
    & skf18("4","10","1","7","10","5","1") = "9"
    & skf18("4","10","1","7","10","6","1") = "9"
    & skf18("4","10","1","7","10","7","1") = "9"
    & skf18("4","10","1","7","10","8","1") = "9"
    & skf18("4","10","1","7","10","9","1") = "9"
    & skf18("4","10","1","7","10","10","1") = "9"
    & skf18("4","10","1","8","1","1","1") = "9"
    & skf18("4","10","1","8","1","2","1") = "9"
    & skf18("4","10","1","8","1","3","1") = "9"
    & skf18("4","10","1","8","1","4","1") = "9"
    & skf18("4","10","1","8","1","5","1") = "9"
    & skf18("4","10","1","8","1","6","1") = "9"
    & skf18("4","10","1","8","1","7","1") = "9"
    & skf18("4","10","1","8","1","8","1") = "9"
    & skf18("4","10","1","8","1","9","1") = "9"
    & skf18("4","10","1","8","1","10","1") = "9"
    & skf18("4","10","1","8","2","1","1") = "9"
    & skf18("4","10","1","8","2","2","1") = "9"
    & skf18("4","10","1","8","2","3","1") = "9"
    & skf18("4","10","1","8","2","4","1") = "9"
    & skf18("4","10","1","8","2","5","1") = "9"
    & skf18("4","10","1","8","2","6","1") = "9"
    & skf18("4","10","1","8","2","7","1") = "9"
    & skf18("4","10","1","8","2","8","1") = "9"
    & skf18("4","10","1","8","2","9","1") = "9"
    & skf18("4","10","1","8","2","10","1") = "9"
    & skf18("4","10","1","8","3","1","1") = "9"
    & skf18("4","10","1","8","3","2","1") = "9"
    & skf18("4","10","1","8","3","3","1") = "9"
    & skf18("4","10","1","8","3","4","1") = "9"
    & skf18("4","10","1","8","3","5","1") = "9"
    & skf18("4","10","1","8","3","6","1") = "9"
    & skf18("4","10","1","8","3","7","1") = "9"
    & skf18("4","10","1","8","3","8","1") = "9"
    & skf18("4","10","1","8","3","9","1") = "9"
    & skf18("4","10","1","8","3","10","1") = "9"
    & skf18("4","10","1","8","4","1","1") = "9"
    & skf18("4","10","1","8","4","2","1") = "9"
    & skf18("4","10","1","8","4","3","1") = "9"
    & skf18("4","10","1","8","4","4","1") = "9"
    & skf18("4","10","1","8","4","5","1") = "9"
    & skf18("4","10","1","8","4","6","1") = "9"
    & skf18("4","10","1","8","4","7","1") = "9"
    & skf18("4","10","1","8","4","8","1") = "9"
    & skf18("4","10","1","8","4","9","1") = "9"
    & skf18("4","10","1","8","4","10","1") = "9"
    & skf18("4","10","1","8","5","1","1") = "9"
    & skf18("4","10","1","8","5","2","1") = "9"
    & skf18("4","10","1","8","5","3","1") = "9"
    & skf18("4","10","1","8","5","4","1") = "9"
    & skf18("4","10","1","8","5","5","1") = "9"
    & skf18("4","10","1","8","5","6","1") = "9"
    & skf18("4","10","1","8","5","7","1") = "9"
    & skf18("4","10","1","8","5","8","1") = "9"
    & skf18("4","10","1","8","5","9","1") = "9"
    & skf18("4","10","1","8","5","10","1") = "9"
    & skf18("4","10","1","8","6","1","1") = "9"
    & skf18("4","10","1","8","6","2","1") = "9"
    & skf18("4","10","1","8","6","3","1") = "9"
    & skf18("4","10","1","8","6","4","1") = "9"
    & skf18("4","10","1","8","6","5","1") = "9"
    & skf18("4","10","1","8","6","6","1") = "9"
    & skf18("4","10","1","8","6","7","1") = "9"
    & skf18("4","10","1","8","6","8","1") = "9"
    & skf18("4","10","1","8","6","9","1") = "9"
    & skf18("4","10","1","8","6","10","1") = "9"
    & skf18("4","10","1","8","7","1","1") = "9"
    & skf18("4","10","1","8","7","2","1") = "9"
    & skf18("4","10","1","8","7","3","1") = "9"
    & skf18("4","10","1","8","7","4","1") = "9"
    & skf18("4","10","1","8","7","5","1") = "9"
    & skf18("4","10","1","8","7","6","1") = "9"
    & skf18("4","10","1","8","7","7","1") = "9"
    & skf18("4","10","1","8","7","8","1") = "9"
    & skf18("4","10","1","8","7","9","1") = "9"
    & skf18("4","10","1","8","7","10","1") = "9"
    & skf18("4","10","1","8","8","1","1") = "9"
    & skf18("4","10","1","8","8","2","1") = "9"
    & skf18("4","10","1","8","8","3","1") = "9"
    & skf18("4","10","1","8","8","4","1") = "9"
    & skf18("4","10","1","8","8","5","1") = "9"
    & skf18("4","10","1","8","8","6","1") = "9"
    & skf18("4","10","1","8","8","7","1") = "9"
    & skf18("4","10","1","8","8","8","1") = "9"
    & skf18("4","10","1","8","8","9","1") = "9"
    & skf18("4","10","1","8","8","10","1") = "9"
    & skf18("4","10","1","8","9","1","1") = "9"
    & skf18("4","10","1","8","9","2","1") = "9"
    & skf18("4","10","1","8","9","3","1") = "9"
    & skf18("4","10","1","8","9","4","1") = "9"
    & skf18("4","10","1","8","9","5","1") = "9"
    & skf18("4","10","1","8","9","6","1") = "9"
    & skf18("4","10","1","8","9","7","1") = "9"
    & skf18("4","10","1","8","9","8","1") = "9"
    & skf18("4","10","1","8","9","9","1") = "9"
    & skf18("4","10","1","8","9","10","1") = "9"
    & skf18("4","10","1","8","10","1","1") = "9"
    & skf18("4","10","1","8","10","2","1") = "9"
    & skf18("4","10","1","8","10","3","1") = "9"
    & skf18("4","10","1","8","10","4","1") = "9"
    & skf18("4","10","1","8","10","5","1") = "9"
    & skf18("4","10","1","8","10","6","1") = "9"
    & skf18("4","10","1","8","10","7","1") = "9"
    & skf18("4","10","1","8","10","8","1") = "9"
    & skf18("4","10","1","8","10","9","1") = "9"
    & skf18("4","10","1","8","10","10","1") = "9"
    & skf18("4","10","1","9","1","1","1") = "9"
    & skf18("4","10","1","9","1","2","1") = "9"
    & skf18("4","10","1","9","1","3","1") = "9"
    & skf18("4","10","1","9","1","4","1") = "9"
    & skf18("4","10","1","9","1","5","1") = "9"
    & skf18("4","10","1","9","1","6","1") = "9"
    & skf18("4","10","1","9","1","7","1") = "9"
    & skf18("4","10","1","9","1","8","1") = "9"
    & skf18("4","10","1","9","1","9","1") = "9"
    & skf18("4","10","1","9","1","10","1") = "9"
    & skf18("4","10","1","9","2","1","1") = "9"
    & skf18("4","10","1","9","2","2","1") = "9"
    & skf18("4","10","1","9","2","3","1") = "9"
    & skf18("4","10","1","9","2","4","1") = "9"
    & skf18("4","10","1","9","2","5","1") = "9"
    & skf18("4","10","1","9","2","6","1") = "9"
    & skf18("4","10","1","9","2","7","1") = "9"
    & skf18("4","10","1","9","2","8","1") = "9"
    & skf18("4","10","1","9","2","9","1") = "9"
    & skf18("4","10","1","9","2","10","1") = "9"
    & skf18("4","10","1","9","3","1","1") = "9"
    & skf18("4","10","1","9","3","2","1") = "9"
    & skf18("4","10","1","9","3","3","1") = "9"
    & skf18("4","10","1","9","3","4","1") = "9"
    & skf18("4","10","1","9","3","5","1") = "9"
    & skf18("4","10","1","9","3","6","1") = "9"
    & skf18("4","10","1","9","3","7","1") = "9"
    & skf18("4","10","1","9","3","8","1") = "9"
    & skf18("4","10","1","9","3","9","1") = "9"
    & skf18("4","10","1","9","3","10","1") = "9"
    & skf18("4","10","1","9","4","1","1") = "9"
    & skf18("4","10","1","9","4","2","1") = "9"
    & skf18("4","10","1","9","4","3","1") = "9"
    & skf18("4","10","1","9","4","4","1") = "9"
    & skf18("4","10","1","9","4","5","1") = "9"
    & skf18("4","10","1","9","4","6","1") = "9"
    & skf18("4","10","1","9","4","7","1") = "9"
    & skf18("4","10","1","9","4","8","1") = "9"
    & skf18("4","10","1","9","4","9","1") = "9"
    & skf18("4","10","1","9","4","10","1") = "9"
    & skf18("4","10","1","9","5","1","1") = "9"
    & skf18("4","10","1","9","5","2","1") = "9"
    & skf18("4","10","1","9","5","3","1") = "9"
    & skf18("4","10","1","9","5","4","1") = "9"
    & skf18("4","10","1","9","5","5","1") = "9"
    & skf18("4","10","1","9","5","6","1") = "9"
    & skf18("4","10","1","9","5","7","1") = "9"
    & skf18("4","10","1","9","5","8","1") = "9"
    & skf18("4","10","1","9","5","9","1") = "9"
    & skf18("4","10","1","9","5","10","1") = "9"
    & skf18("4","10","1","9","6","1","1") = "9"
    & skf18("4","10","1","9","6","2","1") = "9"
    & skf18("4","10","1","9","6","3","1") = "9"
    & skf18("4","10","1","9","6","4","1") = "9"
    & skf18("4","10","1","9","6","5","1") = "9"
    & skf18("4","10","1","9","6","6","1") = "9"
    & skf18("4","10","1","9","6","7","1") = "9"
    & skf18("4","10","1","9","6","8","1") = "9"
    & skf18("4","10","1","9","6","9","1") = "9"
    & skf18("4","10","1","9","6","10","1") = "9"
    & skf18("4","10","1","9","7","1","1") = "9"
    & skf18("4","10","1","9","7","2","1") = "9"
    & skf18("4","10","1","9","7","3","1") = "9"
    & skf18("4","10","1","9","7","4","1") = "9"
    & skf18("4","10","1","9","7","5","1") = "9"
    & skf18("4","10","1","9","7","6","1") = "9"
    & skf18("4","10","1","9","7","7","1") = "9"
    & skf18("4","10","1","9","7","8","1") = "9"
    & skf18("4","10","1","9","7","9","1") = "9"
    & skf18("4","10","1","9","7","10","1") = "9"
    & skf18("4","10","1","9","8","1","1") = "9"
    & skf18("4","10","1","9","8","2","1") = "9"
    & skf18("4","10","1","9","8","3","1") = "9"
    & skf18("4","10","1","9","8","4","1") = "9"
    & skf18("4","10","1","9","8","5","1") = "9"
    & skf18("4","10","1","9","8","6","1") = "9"
    & skf18("4","10","1","9","8","7","1") = "9"
    & skf18("4","10","1","9","8","8","1") = "9"
    & skf18("4","10","1","9","8","9","1") = "9"
    & skf18("4","10","1","9","8","10","1") = "9"
    & skf18("4","10","1","9","9","1","1") = "9"
    & skf18("4","10","1","9","9","2","1") = "9"
    & skf18("4","10","1","9","9","3","1") = "9"
    & skf18("4","10","1","9","9","4","1") = "9"
    & skf18("4","10","1","9","9","5","1") = "9"
    & skf18("4","10","1","9","9","6","1") = "9"
    & skf18("4","10","1","9","9","7","1") = "9"
    & skf18("4","10","1","9","9","8","1") = "9"
    & skf18("4","10","1","9","9","9","1") = "9"
    & skf18("4","10","1","9","9","10","1") = "9"
    & skf18("4","10","1","9","10","1","1") = "9"
    & skf18("4","10","1","9","10","2","1") = "9"
    & skf18("4","10","1","9","10","3","1") = "9"
    & skf18("4","10","1","9","10","4","1") = "9"
    & skf18("4","10","1","9","10","5","1") = "9"
    & skf18("4","10","1","9","10","6","1") = "9"
    & skf18("4","10","1","9","10","7","1") = "9"
    & skf18("4","10","1","9","10","8","1") = "9"
    & skf18("4","10","1","9","10","9","1") = "9"
    & skf18("4","10","1","9","10","10","1") = "9"
    & skf18("4","10","1","10","1","1","1") = "9"
    & skf18("4","10","1","10","1","2","1") = "9"
    & skf18("4","10","1","10","1","3","1") = "9"
    & skf18("4","10","1","10","1","4","1") = "9"
    & skf18("4","10","1","10","1","5","1") = "9"
    & skf18("4","10","1","10","1","6","1") = "9"
    & skf18("4","10","1","10","1","7","1") = "9"
    & skf18("4","10","1","10","1","8","1") = "9"
    & skf18("4","10","1","10","1","9","1") = "9"
    & skf18("4","10","1","10","1","10","1") = "9"
    & skf18("4","10","1","10","2","1","1") = "9"
    & skf18("4","10","1","10","2","2","1") = "9"
    & skf18("4","10","1","10","2","3","1") = "9"
    & skf18("4","10","1","10","2","4","1") = "9"
    & skf18("4","10","1","10","2","5","1") = "9"
    & skf18("4","10","1","10","2","6","1") = "9"
    & skf18("4","10","1","10","2","7","1") = "9"
    & skf18("4","10","1","10","2","8","1") = "9"
    & skf18("4","10","1","10","2","9","1") = "9"
    & skf18("4","10","1","10","2","10","1") = "9"
    & skf18("4","10","1","10","3","1","1") = "9"
    & skf18("4","10","1","10","3","2","1") = "9"
    & skf18("4","10","1","10","3","3","1") = "9"
    & skf18("4","10","1","10","3","4","1") = "9"
    & skf18("4","10","1","10","3","5","1") = "9"
    & skf18("4","10","1","10","3","6","1") = "9"
    & skf18("4","10","1","10","3","7","1") = "9"
    & skf18("4","10","1","10","3","8","1") = "9"
    & skf18("4","10","1","10","3","9","1") = "9"
    & skf18("4","10","1","10","3","10","1") = "9"
    & skf18("4","10","1","10","4","1","1") = "9"
    & skf18("4","10","1","10","4","2","1") = "9"
    & skf18("4","10","1","10","4","3","1") = "9"
    & skf18("4","10","1","10","4","4","1") = "9"
    & skf18("4","10","1","10","4","5","1") = "9"
    & skf18("4","10","1","10","4","6","1") = "9"
    & skf18("4","10","1","10","4","7","1") = "9"
    & skf18("4","10","1","10","4","8","1") = "9"
    & skf18("4","10","1","10","4","9","1") = "9"
    & skf18("4","10","1","10","4","10","1") = "9"
    & skf18("4","10","1","10","5","1","1") = "9"
    & skf18("4","10","1","10","5","2","1") = "9"
    & skf18("4","10","1","10","5","3","1") = "9"
    & skf18("4","10","1","10","5","4","1") = "9"
    & skf18("4","10","1","10","5","5","1") = "9"
    & skf18("4","10","1","10","5","6","1") = "9"
    & skf18("4","10","1","10","5","7","1") = "9"
    & skf18("4","10","1","10","5","8","1") = "9"
    & skf18("4","10","1","10","5","9","1") = "9"
    & skf18("4","10","1","10","5","10","1") = "9"
    & skf18("4","10","1","10","6","1","1") = "9"
    & skf18("4","10","1","10","6","2","1") = "9"
    & skf18("4","10","1","10","6","3","1") = "9"
    & skf18("4","10","1","10","6","4","1") = "9"
    & skf18("4","10","1","10","6","5","1") = "9"
    & skf18("4","10","1","10","6","6","1") = "9"
    & skf18("4","10","1","10","6","7","1") = "9"
    & skf18("4","10","1","10","6","8","1") = "9"
    & skf18("4","10","1","10","6","9","1") = "9"
    & skf18("4","10","1","10","6","10","1") = "9"
    & skf18("4","10","1","10","7","1","1") = "9"
    & skf18("4","10","1","10","7","2","1") = "9"
    & skf18("4","10","1","10","7","3","1") = "9"
    & skf18("4","10","1","10","7","4","1") = "9"
    & skf18("4","10","1","10","7","5","1") = "9"
    & skf18("4","10","1","10","7","6","1") = "9"
    & skf18("4","10","1","10","7","7","1") = "9"
    & skf18("4","10","1","10","7","8","1") = "9"
    & skf18("4","10","1","10","7","9","1") = "9"
    & skf18("4","10","1","10","7","10","1") = "9"
    & skf18("4","10","1","10","8","1","1") = "9"
    & skf18("4","10","1","10","8","2","1") = "9"
    & skf18("4","10","1","10","8","3","1") = "9"
    & skf18("4","10","1","10","8","4","1") = "9"
    & skf18("4","10","1","10","8","5","1") = "9"
    & skf18("4","10","1","10","8","6","1") = "9"
    & skf18("4","10","1","10","8","7","1") = "9"
    & skf18("4","10","1","10","8","8","1") = "9"
    & skf18("4","10","1","10","8","9","1") = "9"
    & skf18("4","10","1","10","8","10","1") = "9"
    & skf18("4","10","1","10","9","1","1") = "9"
    & skf18("4","10","1","10","9","2","1") = "9"
    & skf18("4","10","1","10","9","3","1") = "9"
    & skf18("4","10","1","10","9","4","1") = "9"
    & skf18("4","10","1","10","9","5","1") = "9"
    & skf18("4","10","1","10","9","6","1") = "9"
    & skf18("4","10","1","10","9","7","1") = "9"
    & skf18("4","10","1","10","9","8","1") = "9"
    & skf18("4","10","1","10","9","9","1") = "9"
    & skf18("4","10","1","10","9","10","1") = "9"
    & skf18("4","10","1","10","10","1","1") = "9"
    & skf18("4","10","1","10","10","2","1") = "9"
    & skf18("4","10","1","10","10","3","1") = "9"
    & skf18("4","10","1","10","10","4","1") = "9"
    & skf18("4","10","1","10","10","5","1") = "9"
    & skf18("4","10","1","10","10","6","1") = "9"
    & skf18("4","10","1","10","10","7","1") = "9"
    & skf18("4","10","1","10","10","8","1") = "9"
    & skf18("4","10","1","10","10","9","1") = "9"
    & skf18("4","10","1","10","10","10","1") = "9"
    & skf18("4","10","2","1","1","1","1") = "9"
    & skf18("4","10","2","1","1","2","1") = "9"
    & skf18("4","10","2","1","1","3","1") = "9"
    & skf18("4","10","2","1","1","4","1") = "9"
    & skf18("4","10","2","1","1","5","1") = "9"
    & skf18("4","10","2","1","1","6","1") = "9"
    & skf18("4","10","2","1","1","7","1") = "9"
    & skf18("4","10","2","1","1","8","1") = "9"
    & skf18("4","10","2","1","1","9","1") = "9"
    & skf18("4","10","2","1","1","10","1") = "9"
    & skf18("4","10","2","1","2","1","1") = "9"
    & skf18("4","10","2","1","2","2","1") = "9"
    & skf18("4","10","2","1","2","3","1") = "9"
    & skf18("4","10","2","1","2","4","1") = "9"
    & skf18("4","10","2","1","2","5","1") = "9"
    & skf18("4","10","2","1","2","6","1") = "9"
    & skf18("4","10","2","1","2","7","1") = "9"
    & skf18("4","10","2","1","2","8","1") = "9"
    & skf18("4","10","2","1","2","9","1") = "9"
    & skf18("4","10","2","1","2","10","1") = "9"
    & skf18("4","10","2","1","3","1","1") = "9"
    & skf18("4","10","2","1","3","2","1") = "9"
    & skf18("4","10","2","1","3","3","1") = "9"
    & skf18("4","10","2","1","3","4","1") = "9"
    & skf18("4","10","2","1","3","5","1") = "9"
    & skf18("4","10","2","1","3","6","1") = "9"
    & skf18("4","10","2","1","3","7","1") = "9"
    & skf18("4","10","2","1","3","8","1") = "9"
    & skf18("4","10","2","1","3","9","1") = "9"
    & skf18("4","10","2","1","3","10","1") = "9"
    & skf18("4","10","2","1","4","1","1") = "9"
    & skf18("4","10","2","1","4","2","1") = "9"
    & skf18("4","10","2","1","4","3","1") = "9"
    & skf18("4","10","2","1","4","4","1") = "9"
    & skf18("4","10","2","1","4","5","1") = "9"
    & skf18("4","10","2","1","4","6","1") = "9"
    & skf18("4","10","2","1","4","7","1") = "9"
    & skf18("4","10","2","1","4","8","1") = "9"
    & skf18("4","10","2","1","4","9","1") = "9"
    & skf18("4","10","2","1","4","10","1") = "9"
    & skf18("4","10","2","1","5","1","1") = "9"
    & skf18("4","10","2","1","5","2","1") = "9"
    & skf18("4","10","2","1","5","3","1") = "9"
    & skf18("4","10","2","1","5","4","1") = "9"
    & skf18("4","10","2","1","5","5","1") = "9"
    & skf18("4","10","2","1","5","6","1") = "9"
    & skf18("4","10","2","1","5","7","1") = "9"
    & skf18("4","10","2","1","5","8","1") = "9"
    & skf18("4","10","2","1","5","9","1") = "9"
    & skf18("4","10","2","1","5","10","1") = "9"
    & skf18("4","10","2","1","6","1","1") = "9"
    & skf18("4","10","2","1","6","2","1") = "9"
    & skf18("4","10","2","1","6","3","1") = "9"
    & skf18("4","10","2","1","6","4","1") = "9"
    & skf18("4","10","2","1","6","5","1") = "9"
    & skf18("4","10","2","1","6","6","1") = "9"
    & skf18("4","10","2","1","6","7","1") = "9"
    & skf18("4","10","2","1","6","8","1") = "9"
    & skf18("4","10","2","1","6","9","1") = "9"
    & skf18("4","10","2","1","6","10","1") = "9"
    & skf18("4","10","2","1","7","1","1") = "9"
    & skf18("4","10","2","1","7","2","1") = "9"
    & skf18("4","10","2","1","7","3","1") = "9"
    & skf18("4","10","2","1","7","4","1") = "9"
    & skf18("4","10","2","1","7","5","1") = "9"
    & skf18("4","10","2","1","7","6","1") = "9"
    & skf18("4","10","2","1","7","7","1") = "9"
    & skf18("4","10","2","1","7","8","1") = "9"
    & skf18("4","10","2","1","7","9","1") = "9"
    & skf18("4","10","2","1","7","10","1") = "9"
    & skf18("4","10","2","1","8","1","1") = "9"
    & skf18("4","10","2","1","8","2","1") = "9"
    & skf18("4","10","2","1","8","3","1") = "9"
    & skf18("4","10","2","1","8","4","1") = "9"
    & skf18("4","10","2","1","8","5","1") = "9"
    & skf18("4","10","2","1","8","6","1") = "9"
    & skf18("4","10","2","1","8","7","1") = "9"
    & skf18("4","10","2","1","8","8","1") = "9"
    & skf18("4","10","2","1","8","9","1") = "9"
    & skf18("4","10","2","1","8","10","1") = "9"
    & skf18("4","10","2","1","9","1","1") = "9"
    & skf18("4","10","2","1","9","2","1") = "9"
    & skf18("4","10","2","1","9","3","1") = "9"
    & skf18("4","10","2","1","9","4","1") = "9"
    & skf18("4","10","2","1","9","5","1") = "9"
    & skf18("4","10","2","1","9","6","1") = "9"
    & skf18("4","10","2","1","9","7","1") = "9"
    & skf18("4","10","2","1","9","8","1") = "9"
    & skf18("4","10","2","1","9","9","1") = "9"
    & skf18("4","10","2","1","9","10","1") = "9"
    & skf18("4","10","2","1","10","1","1") = "9"
    & skf18("4","10","2","1","10","2","1") = "9"
    & skf18("4","10","2","1","10","3","1") = "9"
    & skf18("4","10","2","1","10","4","1") = "9"
    & skf18("4","10","2","1","10","5","1") = "9"
    & skf18("4","10","2","1","10","6","1") = "9"
    & skf18("4","10","2","1","10","7","1") = "9"
    & skf18("4","10","2","1","10","8","1") = "9"
    & skf18("4","10","2","1","10","9","1") = "9"
    & skf18("4","10","2","1","10","10","1") = "9"
    & skf18("4","10","2","2","1","1","1") = "9"
    & skf18("4","10","2","2","1","2","1") = "9"
    & skf18("4","10","2","2","1","3","1") = "9"
    & skf18("4","10","2","2","1","4","1") = "9"
    & skf18("4","10","2","2","1","5","1") = "9"
    & skf18("4","10","2","2","1","6","1") = "9"
    & skf18("4","10","2","2","1","7","1") = "9"
    & skf18("4","10","2","2","1","8","1") = "9"
    & skf18("4","10","2","2","1","9","1") = "9"
    & skf18("4","10","2","2","1","10","1") = "9"
    & skf18("4","10","2","2","2","1","1") = "9"
    & skf18("4","10","2","2","2","2","1") = "9"
    & skf18("4","10","2","2","2","3","1") = "9"
    & skf18("4","10","2","2","2","4","1") = "9"
    & skf18("4","10","2","2","2","5","1") = "9"
    & skf18("4","10","2","2","2","6","1") = "9"
    & skf18("4","10","2","2","2","7","1") = "9"
    & skf18("4","10","2","2","2","8","1") = "9"
    & skf18("4","10","2","2","2","9","1") = "9"
    & skf18("4","10","2","2","2","10","1") = "9"
    & skf18("4","10","2","2","3","1","1") = "9"
    & skf18("4","10","2","2","3","2","1") = "9"
    & skf18("4","10","2","2","3","3","1") = "9"
    & skf18("4","10","2","2","3","4","1") = "9"
    & skf18("4","10","2","2","3","5","1") = "9"
    & skf18("4","10","2","2","3","6","1") = "9"
    & skf18("4","10","2","2","3","7","1") = "9"
    & skf18("4","10","2","2","3","8","1") = "9"
    & skf18("4","10","2","2","3","9","1") = "9"
    & skf18("4","10","2","2","3","10","1") = "9"
    & skf18("4","10","2","2","4","1","1") = "9"
    & skf18("4","10","2","2","4","2","1") = "9"
    & skf18("4","10","2","2","4","3","1") = "9"
    & skf18("4","10","2","2","4","4","1") = "9"
    & skf18("4","10","2","2","4","5","1") = "9"
    & skf18("4","10","2","2","4","6","1") = "9"
    & skf18("4","10","2","2","4","7","1") = "9"
    & skf18("4","10","2","2","4","8","1") = "9"
    & skf18("4","10","2","2","4","9","1") = "9"
    & skf18("4","10","2","2","4","10","1") = "9"
    & skf18("4","10","2","2","5","1","1") = "9"
    & skf18("4","10","2","2","5","2","1") = "9"
    & skf18("4","10","2","2","5","3","1") = "9"
    & skf18("4","10","2","2","5","4","1") = "9"
    & skf18("4","10","2","2","5","5","1") = "9"
    & skf18("4","10","2","2","5","6","1") = "9"
    & skf18("4","10","2","2","5","7","1") = "9"
    & skf18("4","10","2","2","5","8","1") = "9"
    & skf18("4","10","2","2","5","9","1") = "9"
    & skf18("4","10","2","2","5","10","1") = "9"
    & skf18("4","10","2","2","6","1","1") = "9"
    & skf18("4","10","2","2","6","2","1") = "9"
    & skf18("4","10","2","2","6","3","1") = "9"
    & skf18("4","10","2","2","6","4","1") = "9"
    & skf18("4","10","2","2","6","5","1") = "9"
    & skf18("4","10","2","2","6","6","1") = "9"
    & skf18("4","10","2","2","6","7","1") = "9"
    & skf18("4","10","2","2","6","8","1") = "9"
    & skf18("4","10","2","2","6","9","1") = "9"
    & skf18("4","10","2","2","6","10","1") = "9"
    & skf18("4","10","2","2","7","1","1") = "9"
    & skf18("4","10","2","2","7","2","1") = "9"
    & skf18("4","10","2","2","7","3","1") = "9"
    & skf18("4","10","2","2","7","4","1") = "9"
    & skf18("4","10","2","2","7","5","1") = "9"
    & skf18("4","10","2","2","7","6","1") = "9"
    & skf18("4","10","2","2","7","7","1") = "9"
    & skf18("4","10","2","2","7","8","1") = "9"
    & skf18("4","10","2","2","7","9","1") = "9"
    & skf18("4","10","2","2","7","10","1") = "9"
    & skf18("4","10","2","2","8","1","1") = "9"
    & skf18("4","10","2","2","8","2","1") = "9"
    & skf18("4","10","2","2","8","3","1") = "9"
    & skf18("4","10","2","2","8","4","1") = "9"
    & skf18("4","10","2","2","8","5","1") = "9"
    & skf18("4","10","2","2","8","6","1") = "9"
    & skf18("4","10","2","2","8","7","1") = "9"
    & skf18("4","10","2","2","8","8","1") = "9"
    & skf18("4","10","2","2","8","9","1") = "9"
    & skf18("4","10","2","2","8","10","1") = "9"
    & skf18("4","10","2","2","9","1","1") = "9"
    & skf18("4","10","2","2","9","2","1") = "9"
    & skf18("4","10","2","2","9","3","1") = "9"
    & skf18("4","10","2","2","9","4","1") = "9"
    & skf18("4","10","2","2","9","5","1") = "9"
    & skf18("4","10","2","2","9","6","1") = "9"
    & skf18("4","10","2","2","9","7","1") = "9"
    & skf18("4","10","2","2","9","8","1") = "9"
    & skf18("4","10","2","2","9","9","1") = "9"
    & skf18("4","10","2","2","9","10","1") = "9"
    & skf18("4","10","2","2","10","1","1") = "9"
    & skf18("4","10","2","2","10","2","1") = "9"
    & skf18("4","10","2","2","10","3","1") = "9"
    & skf18("4","10","2","2","10","4","1") = "9"
    & skf18("4","10","2","2","10","5","1") = "9"
    & skf18("4","10","2","2","10","6","1") = "9"
    & skf18("4","10","2","2","10","7","1") = "9"
    & skf18("4","10","2","2","10","8","1") = "9"
    & skf18("4","10","2","2","10","9","1") = "9"
    & skf18("4","10","2","2","10","10","1") = "9"
    & skf18("4","10","2","3","1","1","1") = "9"
    & skf18("4","10","2","3","1","2","1") = "9"
    & skf18("4","10","2","3","1","3","1") = "9"
    & skf18("4","10","2","3","1","4","1") = "9"
    & skf18("4","10","2","3","1","5","1") = "9"
    & skf18("4","10","2","3","1","6","1") = "9"
    & skf18("4","10","2","3","1","7","1") = "9"
    & skf18("4","10","2","3","1","8","1") = "9"
    & skf18("4","10","2","3","1","9","1") = "9"
    & skf18("4","10","2","3","1","10","1") = "9"
    & skf18("4","10","2","3","2","1","1") = "9"
    & skf18("4","10","2","3","2","2","1") = "9"
    & skf18("4","10","2","3","2","3","1") = "9"
    & skf18("4","10","2","3","2","4","1") = "9"
    & skf18("4","10","2","3","2","5","1") = "9"
    & skf18("4","10","2","3","2","6","1") = "9"
    & skf18("4","10","2","3","2","7","1") = "9"
    & skf18("4","10","2","3","2","8","1") = "9"
    & skf18("4","10","2","3","2","9","1") = "9"
    & skf18("4","10","2","3","2","10","1") = "9"
    & skf18("4","10","2","3","3","1","1") = "9"
    & skf18("4","10","2","3","3","2","1") = "9"
    & skf18("4","10","2","3","3","3","1") = "9"
    & skf18("4","10","2","3","3","4","1") = "9"
    & skf18("4","10","2","3","3","5","1") = "9"
    & skf18("4","10","2","3","3","6","1") = "9"
    & skf18("4","10","2","3","3","7","1") = "9"
    & skf18("4","10","2","3","3","8","1") = "9"
    & skf18("4","10","2","3","3","9","1") = "9"
    & skf18("4","10","2","3","3","10","1") = "9"
    & skf18("4","10","2","3","4","1","1") = "9"
    & skf18("4","10","2","3","4","2","1") = "9"
    & skf18("4","10","2","3","4","3","1") = "9"
    & skf18("4","10","2","3","4","4","1") = "9"
    & skf18("4","10","2","3","4","5","1") = "9"
    & skf18("4","10","2","3","4","6","1") = "9"
    & skf18("4","10","2","3","4","7","1") = "9"
    & skf18("4","10","2","3","4","8","1") = "9"
    & skf18("4","10","2","3","4","9","1") = "9"
    & skf18("4","10","2","3","4","10","1") = "9"
    & skf18("4","10","2","3","5","1","1") = "9"
    & skf18("4","10","2","3","5","2","1") = "9"
    & skf18("4","10","2","3","5","3","1") = "9"
    & skf18("4","10","2","3","5","4","1") = "9"
    & skf18("4","10","2","3","5","5","1") = "9"
    & skf18("4","10","2","3","5","6","1") = "9"
    & skf18("4","10","2","3","5","7","1") = "9"
    & skf18("4","10","2","3","5","8","1") = "9"
    & skf18("4","10","2","3","5","9","1") = "9"
    & skf18("4","10","2","3","5","10","1") = "9"
    & skf18("4","10","2","3","6","1","1") = "9"
    & skf18("4","10","2","3","6","2","1") = "9"
    & skf18("4","10","2","3","6","3","1") = "9"
    & skf18("4","10","2","3","6","4","1") = "9"
    & skf18("4","10","2","3","6","5","1") = "9"
    & skf18("4","10","2","3","6","6","1") = "9"
    & skf18("4","10","2","3","6","7","1") = "9"
    & skf18("4","10","2","3","6","8","1") = "9"
    & skf18("4","10","2","3","6","9","1") = "9"
    & skf18("4","10","2","3","6","10","1") = "9"
    & skf18("4","10","2","3","7","1","1") = "9"
    & skf18("4","10","2","3","7","2","1") = "9"
    & skf18("4","10","2","3","7","3","1") = "9"
    & skf18("4","10","2","3","7","4","1") = "9"
    & skf18("4","10","2","3","7","5","1") = "9"
    & skf18("4","10","2","3","7","6","1") = "9"
    & skf18("4","10","2","3","7","7","1") = "9"
    & skf18("4","10","2","3","7","8","1") = "9"
    & skf18("4","10","2","3","7","9","1") = "9"
    & skf18("4","10","2","3","7","10","1") = "9"
    & skf18("4","10","2","3","8","1","1") = "9"
    & skf18("4","10","2","3","8","2","1") = "9"
    & skf18("4","10","2","3","8","3","1") = "9"
    & skf18("4","10","2","3","8","4","1") = "9"
    & skf18("4","10","2","3","8","5","1") = "9"
    & skf18("4","10","2","3","8","6","1") = "9"
    & skf18("4","10","2","3","8","7","1") = "9"
    & skf18("4","10","2","3","8","8","1") = "9"
    & skf18("4","10","2","3","8","9","1") = "9"
    & skf18("4","10","2","3","8","10","1") = "9"
    & skf18("4","10","2","3","9","1","1") = "9"
    & skf18("4","10","2","3","9","2","1") = "9"
    & skf18("4","10","2","3","9","3","1") = "9"
    & skf18("4","10","2","3","9","4","1") = "9"
    & skf18("4","10","2","3","9","5","1") = "9"
    & skf18("4","10","2","3","9","6","1") = "9"
    & skf18("4","10","2","3","9","7","1") = "9"
    & skf18("4","10","2","3","9","8","1") = "9"
    & skf18("4","10","2","3","9","9","1") = "9"
    & skf18("4","10","2","3","9","10","1") = "9"
    & skf18("4","10","2","3","10","1","1") = "9"
    & skf18("4","10","2","3","10","2","1") = "9"
    & skf18("4","10","2","3","10","3","1") = "9"
    & skf18("4","10","2","3","10","4","1") = "9"
    & skf18("4","10","2","3","10","5","1") = "9"
    & skf18("4","10","2","3","10","6","1") = "9"
    & skf18("4","10","2","3","10","7","1") = "9"
    & skf18("4","10","2","3","10","8","1") = "9"
    & skf18("4","10","2","3","10","9","1") = "9"
    & skf18("4","10","2","3","10","10","1") = "9"
    & skf18("4","10","2","4","1","1","1") = "9"
    & skf18("4","10","2","4","1","2","1") = "9"
    & skf18("4","10","2","4","1","3","1") = "9"
    & skf18("4","10","2","4","1","4","1") = "9"
    & skf18("4","10","2","4","1","5","1") = "9"
    & skf18("4","10","2","4","1","6","1") = "9"
    & skf18("4","10","2","4","1","7","1") = "9"
    & skf18("4","10","2","4","1","8","1") = "9"
    & skf18("4","10","2","4","1","9","1") = "9"
    & skf18("4","10","2","4","1","10","1") = "9"
    & skf18("4","10","2","4","2","1","1") = "9"
    & skf18("4","10","2","4","2","2","1") = "9"
    & skf18("4","10","2","4","2","3","1") = "9"
    & skf18("4","10","2","4","2","4","1") = "9"
    & skf18("4","10","2","4","2","5","1") = "9"
    & skf18("4","10","2","4","2","6","1") = "9"
    & skf18("4","10","2","4","2","7","1") = "9"
    & skf18("4","10","2","4","2","8","1") = "9"
    & skf18("4","10","2","4","2","9","1") = "9"
    & skf18("4","10","2","4","2","10","1") = "9"
    & skf18("4","10","2","4","3","1","1") = "9"
    & skf18("4","10","2","4","3","2","1") = "9"
    & skf18("4","10","2","4","3","3","1") = "9"
    & skf18("4","10","2","4","3","4","1") = "9"
    & skf18("4","10","2","4","3","5","1") = "9"
    & skf18("4","10","2","4","3","6","1") = "9"
    & skf18("4","10","2","4","3","7","1") = "9"
    & skf18("4","10","2","4","3","8","1") = "9"
    & skf18("4","10","2","4","3","9","1") = "9"
    & skf18("4","10","2","4","3","10","1") = "9"
    & skf18("4","10","2","4","4","1","1") = "9"
    & skf18("4","10","2","4","4","2","1") = "9"
    & skf18("4","10","2","4","4","3","1") = "9"
    & skf18("4","10","2","4","4","4","1") = "9"
    & skf18("4","10","2","4","4","5","1") = "9"
    & skf18("4","10","2","4","4","6","1") = "9"
    & skf18("4","10","2","4","4","7","1") = "9"
    & skf18("4","10","2","4","4","8","1") = "9"
    & skf18("4","10","2","4","4","9","1") = "9"
    & skf18("4","10","2","4","4","10","1") = "9"
    & skf18("4","10","2","4","5","1","1") = "9"
    & skf18("4","10","2","4","5","2","1") = "9"
    & skf18("4","10","2","4","5","3","1") = "9"
    & skf18("4","10","2","4","5","4","1") = "9"
    & skf18("4","10","2","4","5","5","1") = "9"
    & skf18("4","10","2","4","5","6","1") = "9"
    & skf18("4","10","2","4","5","7","1") = "9"
    & skf18("4","10","2","4","5","8","1") = "9"
    & skf18("4","10","2","4","5","9","1") = "9"
    & skf18("4","10","2","4","5","10","1") = "9"
    & skf18("4","10","2","4","6","1","1") = "9"
    & skf18("4","10","2","4","6","2","1") = "9"
    & skf18("4","10","2","4","6","3","1") = "9"
    & skf18("4","10","2","4","6","4","1") = "9"
    & skf18("4","10","2","4","6","5","1") = "9"
    & skf18("4","10","2","4","6","6","1") = "9"
    & skf18("4","10","2","4","6","7","1") = "9"
    & skf18("4","10","2","4","6","8","1") = "9"
    & skf18("4","10","2","4","6","9","1") = "9"
    & skf18("4","10","2","4","6","10","1") = "9"
    & skf18("4","10","2","4","7","1","1") = "9"
    & skf18("4","10","2","4","7","2","1") = "9"
    & skf18("4","10","2","4","7","3","1") = "9"
    & skf18("4","10","2","4","7","4","1") = "9"
    & skf18("4","10","2","4","7","5","1") = "9"
    & skf18("4","10","2","4","7","6","1") = "9"
    & skf18("4","10","2","4","7","7","1") = "9"
    & skf18("4","10","2","4","7","8","1") = "9"
    & skf18("4","10","2","4","7","9","1") = "9"
    & skf18("4","10","2","4","7","10","1") = "9"
    & skf18("4","10","2","4","8","1","1") = "9"
    & skf18("4","10","2","4","8","2","1") = "9"
    & skf18("4","10","2","4","8","3","1") = "9"
    & skf18("4","10","2","4","8","4","1") = "9"
    & skf18("4","10","2","4","8","5","1") = "9"
    & skf18("4","10","2","4","8","6","1") = "9"
    & skf18("4","10","2","4","8","7","1") = "9"
    & skf18("4","10","2","4","8","8","1") = "9"
    & skf18("4","10","2","4","8","9","1") = "9"
    & skf18("4","10","2","4","8","10","1") = "9"
    & skf18("4","10","2","4","9","1","1") = "9"
    & skf18("4","10","2","4","9","2","1") = "9"
    & skf18("4","10","2","4","9","3","1") = "9"
    & skf18("4","10","2","4","9","4","1") = "9"
    & skf18("4","10","2","4","9","5","1") = "9"
    & skf18("4","10","2","4","9","6","1") = "9"
    & skf18("4","10","2","4","9","7","1") = "9"
    & skf18("4","10","2","4","9","8","1") = "9"
    & skf18("4","10","2","4","9","9","1") = "9"
    & skf18("4","10","2","4","9","10","1") = "9"
    & skf18("4","10","2","4","10","1","1") = "9"
    & skf18("4","10","2","4","10","2","1") = "9"
    & skf18("4","10","2","4","10","3","1") = "9"
    & skf18("4","10","2","4","10","4","1") = "9"
    & skf18("4","10","2","4","10","5","1") = "9"
    & skf18("4","10","2","4","10","6","1") = "9"
    & skf18("4","10","2","4","10","7","1") = "9"
    & skf18("4","10","2","4","10","8","1") = "9"
    & skf18("4","10","2","4","10","9","1") = "9"
    & skf18("4","10","2","4","10","10","1") = "9"
    & skf18("4","10","2","5","1","1","1") = "9"
    & skf18("4","10","2","5","1","2","1") = "9"
    & skf18("4","10","2","5","1","3","1") = "9"
    & skf18("4","10","2","5","1","4","1") = "9"
    & skf18("4","10","2","5","1","5","1") = "9"
    & skf18("4","10","2","5","1","6","1") = "9"
    & skf18("4","10","2","5","1","7","1") = "9"
    & skf18("4","10","2","5","1","8","1") = "9"
    & skf18("4","10","2","5","1","9","1") = "9"
    & skf18("4","10","2","5","1","10","1") = "9"
    & skf18("4","10","2","5","2","1","1") = "9"
    & skf18("4","10","2","5","2","2","1") = "9"
    & skf18("4","10","2","5","2","3","1") = "9"
    & skf18("4","10","2","5","2","4","1") = "9"
    & skf18("4","10","2","5","2","5","1") = "9"
    & skf18("4","10","2","5","2","6","1") = "9"
    & skf18("4","10","2","5","2","7","1") = "9"
    & skf18("4","10","2","5","2","8","1") = "9"
    & skf18("4","10","2","5","2","9","1") = "9"
    & skf18("4","10","2","5","2","10","1") = "9"
    & skf18("4","10","2","5","3","1","1") = "9"
    & skf18("4","10","2","5","3","2","1") = "9"
    & skf18("4","10","2","5","3","3","1") = "9"
    & skf18("4","10","2","5","3","4","1") = "9"
    & skf18("4","10","2","5","3","5","1") = "9"
    & skf18("4","10","2","5","3","6","1") = "9"
    & skf18("4","10","2","5","3","7","1") = "9"
    & skf18("4","10","2","5","3","8","1") = "9"
    & skf18("4","10","2","5","3","9","1") = "9"
    & skf18("4","10","2","5","3","10","1") = "9"
    & skf18("4","10","2","5","4","1","1") = "9"
    & skf18("4","10","2","5","4","2","1") = "9"
    & skf18("4","10","2","5","4","3","1") = "9"
    & skf18("4","10","2","5","4","4","1") = "9"
    & skf18("4","10","2","5","4","5","1") = "9"
    & skf18("4","10","2","5","4","6","1") = "9"
    & skf18("4","10","2","5","4","7","1") = "9"
    & skf18("4","10","2","5","4","8","1") = "9"
    & skf18("4","10","2","5","4","9","1") = "9"
    & skf18("4","10","2","5","4","10","1") = "9"
    & skf18("4","10","2","5","5","1","1") = "9"
    & skf18("4","10","2","5","5","2","1") = "9"
    & skf18("4","10","2","5","5","3","1") = "9"
    & skf18("4","10","2","5","5","4","1") = "9"
    & skf18("4","10","2","5","5","5","1") = "9"
    & skf18("4","10","2","5","5","6","1") = "9"
    & skf18("4","10","2","5","5","7","1") = "9"
    & skf18("4","10","2","5","5","8","1") = "9"
    & skf18("4","10","2","5","5","9","1") = "9"
    & skf18("4","10","2","5","5","10","1") = "9"
    & skf18("4","10","2","5","6","1","1") = "9"
    & skf18("4","10","2","5","6","2","1") = "9"
    & skf18("4","10","2","5","6","3","1") = "9"
    & skf18("4","10","2","5","6","4","1") = "9"
    & skf18("4","10","2","5","6","5","1") = "9"
    & skf18("4","10","2","5","6","6","1") = "9"
    & skf18("4","10","2","5","6","7","1") = "9"
    & skf18("4","10","2","5","6","8","1") = "9"
    & skf18("4","10","2","5","6","9","1") = "9"
    & skf18("4","10","2","5","6","10","1") = "9"
    & skf18("4","10","2","5","7","1","1") = "9"
    & skf18("4","10","2","5","7","2","1") = "9"
    & skf18("4","10","2","5","7","3","1") = "9"
    & skf18("4","10","2","5","7","4","1") = "9"
    & skf18("4","10","2","5","7","5","1") = "9"
    & skf18("4","10","2","5","7","6","1") = "9"
    & skf18("4","10","2","5","7","7","1") = "9"
    & skf18("4","10","2","5","7","8","1") = "9"
    & skf18("4","10","2","5","7","9","1") = "9"
    & skf18("4","10","2","5","7","10","1") = "9"
    & skf18("4","10","2","5","8","1","1") = "9"
    & skf18("4","10","2","5","8","2","1") = "9"
    & skf18("4","10","2","5","8","3","1") = "9"
    & skf18("4","10","2","5","8","4","1") = "9"
    & skf18("4","10","2","5","8","5","1") = "9"
    & skf18("4","10","2","5","8","6","1") = "9"
    & skf18("4","10","2","5","8","7","1") = "9"
    & skf18("4","10","2","5","8","8","1") = "9"
    & skf18("4","10","2","5","8","9","1") = "9"
    & skf18("4","10","2","5","8","10","1") = "9"
    & skf18("4","10","2","5","9","1","1") = "9"
    & skf18("4","10","2","5","9","2","1") = "9"
    & skf18("4","10","2","5","9","3","1") = "9"
    & skf18("4","10","2","5","9","4","1") = "9"
    & skf18("4","10","2","5","9","5","1") = "9"
    & skf18("4","10","2","5","9","6","1") = "9"
    & skf18("4","10","2","5","9","7","1") = "9"
    & skf18("4","10","2","5","9","8","1") = "9"
    & skf18("4","10","2","5","9","9","1") = "9"
    & skf18("4","10","2","5","9","10","1") = "9"
    & skf18("4","10","2","5","10","1","1") = "9"
    & skf18("4","10","2","5","10","2","1") = "9"
    & skf18("4","10","2","5","10","3","1") = "9"
    & skf18("4","10","2","5","10","4","1") = "9"
    & skf18("4","10","2","5","10","5","1") = "9"
    & skf18("4","10","2","5","10","6","1") = "9"
    & skf18("4","10","2","5","10","7","1") = "9"
    & skf18("4","10","2","5","10","8","1") = "9"
    & skf18("4","10","2","5","10","9","1") = "9"
    & skf18("4","10","2","5","10","10","1") = "9"
    & skf18("4","10","2","6","1","1","1") = "9"
    & skf18("4","10","2","6","1","2","1") = "9"
    & skf18("4","10","2","6","1","3","1") = "9"
    & skf18("4","10","2","6","1","4","1") = "9"
    & skf18("4","10","2","6","1","5","1") = "9"
    & skf18("4","10","2","6","1","6","1") = "9"
    & skf18("4","10","2","6","1","7","1") = "9"
    & skf18("4","10","2","6","1","8","1") = "9"
    & skf18("4","10","2","6","1","9","1") = "9"
    & skf18("4","10","2","6","1","10","1") = "9"
    & skf18("4","10","2","6","2","1","1") = "9"
    & skf18("4","10","2","6","2","2","1") = "9"
    & skf18("4","10","2","6","2","3","1") = "9"
    & skf18("4","10","2","6","2","4","1") = "9"
    & skf18("4","10","2","6","2","5","1") = "9"
    & skf18("4","10","2","6","2","6","1") = "9"
    & skf18("4","10","2","6","2","7","1") = "9"
    & skf18("4","10","2","6","2","8","1") = "9"
    & skf18("4","10","2","6","2","9","1") = "9"
    & skf18("4","10","2","6","2","10","1") = "9"
    & skf18("4","10","2","6","3","1","1") = "9"
    & skf18("4","10","2","6","3","2","1") = "9"
    & skf18("4","10","2","6","3","3","1") = "9"
    & skf18("4","10","2","6","3","4","1") = "9"
    & skf18("4","10","2","6","3","5","1") = "9"
    & skf18("4","10","2","6","3","6","1") = "9"
    & skf18("4","10","2","6","3","7","1") = "9"
    & skf18("4","10","2","6","3","8","1") = "9"
    & skf18("4","10","2","6","3","9","1") = "9"
    & skf18("4","10","2","6","3","10","1") = "9"
    & skf18("4","10","2","6","4","1","1") = "9"
    & skf18("4","10","2","6","4","2","1") = "9"
    & skf18("4","10","2","6","4","3","1") = "9"
    & skf18("4","10","2","6","4","4","1") = "9"
    & skf18("4","10","2","6","4","5","1") = "9"
    & skf18("4","10","2","6","4","6","1") = "9"
    & skf18("4","10","2","6","4","7","1") = "9"
    & skf18("4","10","2","6","4","8","1") = "9"
    & skf18("4","10","2","6","4","9","1") = "9"
    & skf18("4","10","2","6","4","10","1") = "9"
    & skf18("4","10","2","6","5","1","1") = "9"
    & skf18("4","10","2","6","5","2","1") = "9"
    & skf18("4","10","2","6","5","3","1") = "9"
    & skf18("4","10","2","6","5","4","1") = "9"
    & skf18("4","10","2","6","5","5","1") = "9"
    & skf18("4","10","2","6","5","6","1") = "9"
    & skf18("4","10","2","6","5","7","1") = "9"
    & skf18("4","10","2","6","5","8","1") = "9"
    & skf18("4","10","2","6","5","9","1") = "9"
    & skf18("4","10","2","6","5","10","1") = "9"
    & skf18("4","10","2","6","6","1","1") = "9"
    & skf18("4","10","2","6","6","2","1") = "9"
    & skf18("4","10","2","6","6","3","1") = "9"
    & skf18("4","10","2","6","6","4","1") = "9"
    & skf18("4","10","2","6","6","5","1") = "9"
    & skf18("4","10","2","6","6","6","1") = "9"
    & skf18("4","10","2","6","6","7","1") = "9"
    & skf18("4","10","2","6","6","8","1") = "9"
    & skf18("4","10","2","6","6","9","1") = "9"
    & skf18("4","10","2","6","6","10","1") = "9"
    & skf18("4","10","2","6","7","1","1") = "9"
    & skf18("4","10","2","6","7","2","1") = "9"
    & skf18("4","10","2","6","7","3","1") = "9"
    & skf18("4","10","2","6","7","4","1") = "9"
    & skf18("4","10","2","6","7","5","1") = "9"
    & skf18("4","10","2","6","7","6","1") = "9"
    & skf18("4","10","2","6","7","7","1") = "9"
    & skf18("4","10","2","6","7","8","1") = "9"
    & skf18("4","10","2","6","7","9","1") = "9"
    & skf18("4","10","2","6","7","10","1") = "9"
    & skf18("4","10","2","6","8","1","1") = "9"
    & skf18("4","10","2","6","8","2","1") = "9"
    & skf18("4","10","2","6","8","3","1") = "9"
    & skf18("4","10","2","6","8","4","1") = "9"
    & skf18("4","10","2","6","8","5","1") = "9"
    & skf18("4","10","2","6","8","6","1") = "9"
    & skf18("4","10","2","6","8","7","1") = "9"
    & skf18("4","10","2","6","8","8","1") = "9"
    & skf18("4","10","2","6","8","9","1") = "9"
    & skf18("4","10","2","6","8","10","1") = "9"
    & skf18("4","10","2","6","9","1","1") = "9"
    & skf18("4","10","2","6","9","2","1") = "9"
    & skf18("4","10","2","6","9","3","1") = "9"
    & skf18("4","10","2","6","9","4","1") = "9"
    & skf18("4","10","2","6","9","5","1") = "9"
    & skf18("4","10","2","6","9","6","1") = "9"
    & skf18("4","10","2","6","9","7","1") = "9"
    & skf18("4","10","2","6","9","8","1") = "9"
    & skf18("4","10","2","6","9","9","1") = "9"
    & skf18("4","10","2","6","9","10","1") = "9"
    & skf18("4","10","2","6","10","1","1") = "9"
    & skf18("4","10","2","6","10","2","1") = "9"
    & skf18("4","10","2","6","10","3","1") = "9"
    & skf18("4","10","2","6","10","4","1") = "9"
    & skf18("4","10","2","6","10","5","1") = "9"
    & skf18("4","10","2","6","10","6","1") = "9"
    & skf18("4","10","2","6","10","7","1") = "9"
    & skf18("4","10","2","6","10","8","1") = "9"
    & skf18("4","10","2","6","10","9","1") = "9"
    & skf18("4","10","2","6","10","10","1") = "9"
    & skf18("4","10","2","7","1","1","1") = "9"
    & skf18("4","10","2","7","1","2","1") = "9"
    & skf18("4","10","2","7","1","3","1") = "9"
    & skf18("4","10","2","7","1","4","1") = "9"
    & skf18("4","10","2","7","1","5","1") = "9"
    & skf18("4","10","2","7","1","6","1") = "9"
    & skf18("4","10","2","7","1","7","1") = "9"
    & skf18("4","10","2","7","1","8","1") = "9"
    & skf18("4","10","2","7","1","9","1") = "9"
    & skf18("4","10","2","7","1","10","1") = "9"
    & skf18("4","10","2","7","2","1","1") = "9"
    & skf18("4","10","2","7","2","2","1") = "9"
    & skf18("4","10","2","7","2","3","1") = "9"
    & skf18("4","10","2","7","2","4","1") = "9"
    & skf18("4","10","2","7","2","5","1") = "9"
    & skf18("4","10","2","7","2","6","1") = "9"
    & skf18("4","10","2","7","2","7","1") = "9"
    & skf18("4","10","2","7","2","8","1") = "9"
    & skf18("4","10","2","7","2","9","1") = "9"
    & skf18("4","10","2","7","2","10","1") = "9"
    & skf18("4","10","2","7","3","1","1") = "9"
    & skf18("4","10","2","7","3","2","1") = "9"
    & skf18("4","10","2","7","3","3","1") = "9"
    & skf18("4","10","2","7","3","4","1") = "9"
    & skf18("4","10","2","7","3","5","1") = "9"
    & skf18("4","10","2","7","3","6","1") = "9"
    & skf18("4","10","2","7","3","7","1") = "9"
    & skf18("4","10","2","7","3","8","1") = "9"
    & skf18("4","10","2","7","3","9","1") = "9"
    & skf18("4","10","2","7","3","10","1") = "9"
    & skf18("4","10","2","7","4","1","1") = "9"
    & skf18("4","10","2","7","4","2","1") = "9"
    & skf18("4","10","2","7","4","3","1") = "9"
    & skf18("4","10","2","7","4","4","1") = "9"
    & skf18("4","10","2","7","4","5","1") = "9"
    & skf18("4","10","2","7","4","6","1") = "9"
    & skf18("4","10","2","7","4","7","1") = "9"
    & skf18("4","10","2","7","4","8","1") = "9"
    & skf18("4","10","2","7","4","9","1") = "9"
    & skf18("4","10","2","7","4","10","1") = "9"
    & skf18("4","10","2","7","5","1","1") = "9"
    & skf18("4","10","2","7","5","2","1") = "9"
    & skf18("4","10","2","7","5","3","1") = "9"
    & skf18("4","10","2","7","5","4","1") = "9"
    & skf18("4","10","2","7","5","5","1") = "9"
    & skf18("4","10","2","7","5","6","1") = "9"
    & skf18("4","10","2","7","5","7","1") = "9"
    & skf18("4","10","2","7","5","8","1") = "9"
    & skf18("4","10","2","7","5","9","1") = "9"
    & skf18("4","10","2","7","5","10","1") = "9"
    & skf18("4","10","2","7","6","1","1") = "9"
    & skf18("4","10","2","7","6","2","1") = "9"
    & skf18("4","10","2","7","6","3","1") = "9"
    & skf18("4","10","2","7","6","4","1") = "9"
    & skf18("4","10","2","7","6","5","1") = "9"
    & skf18("4","10","2","7","6","6","1") = "9"
    & skf18("4","10","2","7","6","7","1") = "9"
    & skf18("4","10","2","7","6","8","1") = "9"
    & skf18("4","10","2","7","6","9","1") = "9"
    & skf18("4","10","2","7","6","10","1") = "9"
    & skf18("4","10","2","7","7","1","1") = "9"
    & skf18("4","10","2","7","7","2","1") = "9"
    & skf18("4","10","2","7","7","3","1") = "9"
    & skf18("4","10","2","7","7","4","1") = "9"
    & skf18("4","10","2","7","7","5","1") = "9"
    & skf18("4","10","2","7","7","6","1") = "9"
    & skf18("4","10","2","7","7","7","1") = "9"
    & skf18("4","10","2","7","7","8","1") = "9"
    & skf18("4","10","2","7","7","9","1") = "9"
    & skf18("4","10","2","7","7","10","1") = "9"
    & skf18("4","10","2","7","8","1","1") = "9"
    & skf18("4","10","2","7","8","2","1") = "9"
    & skf18("4","10","2","7","8","3","1") = "9"
    & skf18("4","10","2","7","8","4","1") = "9"
    & skf18("4","10","2","7","8","5","1") = "9"
    & skf18("4","10","2","7","8","6","1") = "9"
    & skf18("4","10","2","7","8","7","1") = "9"
    & skf18("4","10","2","7","8","8","1") = "9"
    & skf18("4","10","2","7","8","9","1") = "9"
    & skf18("4","10","2","7","8","10","1") = "9"
    & skf18("4","10","2","7","9","1","1") = "9"
    & skf18("4","10","2","7","9","2","1") = "9"
    & skf18("4","10","2","7","9","3","1") = "9"
    & skf18("4","10","2","7","9","4","1") = "9"
    & skf18("4","10","2","7","9","5","1") = "9"
    & skf18("4","10","2","7","9","6","1") = "9"
    & skf18("4","10","2","7","9","7","1") = "9"
    & skf18("4","10","2","7","9","8","1") = "9"
    & skf18("4","10","2","7","9","9","1") = "9"
    & skf18("4","10","2","7","9","10","1") = "9"
    & skf18("4","10","2","7","10","1","1") = "9"
    & skf18("4","10","2","7","10","2","1") = "9"
    & skf18("4","10","2","7","10","3","1") = "9"
    & skf18("4","10","2","7","10","4","1") = "9"
    & skf18("4","10","2","7","10","5","1") = "9"
    & skf18("4","10","2","7","10","6","1") = "9"
    & skf18("4","10","2","7","10","7","1") = "9"
    & skf18("4","10","2","7","10","8","1") = "9"
    & skf18("4","10","2","7","10","9","1") = "9"
    & skf18("4","10","2","7","10","10","1") = "9"
    & skf18("4","10","2","8","1","1","1") = "9"
    & skf18("4","10","2","8","1","2","1") = "9"
    & skf18("4","10","2","8","1","3","1") = "9"
    & skf18("4","10","2","8","1","4","1") = "9"
    & skf18("4","10","2","8","1","5","1") = "9"
    & skf18("4","10","2","8","1","6","1") = "9"
    & skf18("4","10","2","8","1","7","1") = "9"
    & skf18("4","10","2","8","1","8","1") = "9"
    & skf18("4","10","2","8","1","9","1") = "9"
    & skf18("4","10","2","8","1","10","1") = "9"
    & skf18("4","10","2","8","2","1","1") = "9"
    & skf18("4","10","2","8","2","2","1") = "9"
    & skf18("4","10","2","8","2","3","1") = "9"
    & skf18("4","10","2","8","2","4","1") = "9"
    & skf18("4","10","2","8","2","5","1") = "9"
    & skf18("4","10","2","8","2","6","1") = "9"
    & skf18("4","10","2","8","2","7","1") = "9"
    & skf18("4","10","2","8","2","8","1") = "9"
    & skf18("4","10","2","8","2","9","1") = "9"
    & skf18("4","10","2","8","2","10","1") = "9"
    & skf18("4","10","2","8","3","1","1") = "9"
    & skf18("4","10","2","8","3","2","1") = "9"
    & skf18("4","10","2","8","3","3","1") = "9"
    & skf18("4","10","2","8","3","4","1") = "9"
    & skf18("4","10","2","8","3","5","1") = "9"
    & skf18("4","10","2","8","3","6","1") = "9"
    & skf18("4","10","2","8","3","7","1") = "9"
    & skf18("4","10","2","8","3","8","1") = "9"
    & skf18("4","10","2","8","3","9","1") = "9"
    & skf18("4","10","2","8","3","10","1") = "9"
    & skf18("4","10","2","8","4","1","1") = "9"
    & skf18("4","10","2","8","4","2","1") = "9"
    & skf18("4","10","2","8","4","3","1") = "9"
    & skf18("4","10","2","8","4","4","1") = "9"
    & skf18("4","10","2","8","4","5","1") = "9"
    & skf18("4","10","2","8","4","6","1") = "9"
    & skf18("4","10","2","8","4","7","1") = "9"
    & skf18("4","10","2","8","4","8","1") = "9"
    & skf18("4","10","2","8","4","9","1") = "9"
    & skf18("4","10","2","8","4","10","1") = "9"
    & skf18("4","10","2","8","5","1","1") = "9"
    & skf18("4","10","2","8","5","2","1") = "9"
    & skf18("4","10","2","8","5","3","1") = "9"
    & skf18("4","10","2","8","5","4","1") = "9"
    & skf18("4","10","2","8","5","5","1") = "9"
    & skf18("4","10","2","8","5","6","1") = "9"
    & skf18("4","10","2","8","5","7","1") = "9"
    & skf18("4","10","2","8","5","8","1") = "9"
    & skf18("4","10","2","8","5","9","1") = "9"
    & skf18("4","10","2","8","5","10","1") = "9"
    & skf18("4","10","2","8","6","1","1") = "9"
    & skf18("4","10","2","8","6","2","1") = "9"
    & skf18("4","10","2","8","6","3","1") = "9"
    & skf18("4","10","2","8","6","4","1") = "9"
    & skf18("4","10","2","8","6","5","1") = "9"
    & skf18("4","10","2","8","6","6","1") = "9"
    & skf18("4","10","2","8","6","7","1") = "9"
    & skf18("4","10","2","8","6","8","1") = "9"
    & skf18("4","10","2","8","6","9","1") = "9"
    & skf18("4","10","2","8","6","10","1") = "9"
    & skf18("4","10","2","8","7","1","1") = "9"
    & skf18("4","10","2","8","7","2","1") = "9"
    & skf18("4","10","2","8","7","3","1") = "9"
    & skf18("4","10","2","8","7","4","1") = "9"
    & skf18("4","10","2","8","7","5","1") = "9"
    & skf18("4","10","2","8","7","6","1") = "9"
    & skf18("4","10","2","8","7","7","1") = "9"
    & skf18("4","10","2","8","7","8","1") = "9"
    & skf18("4","10","2","8","7","9","1") = "9"
    & skf18("4","10","2","8","7","10","1") = "9"
    & skf18("4","10","2","8","8","1","1") = "9"
    & skf18("4","10","2","8","8","2","1") = "9"
    & skf18("4","10","2","8","8","3","1") = "9"
    & skf18("4","10","2","8","8","4","1") = "9"
    & skf18("4","10","2","8","8","5","1") = "9"
    & skf18("4","10","2","8","8","6","1") = "9"
    & skf18("4","10","2","8","8","7","1") = "9"
    & skf18("4","10","2","8","8","8","1") = "9"
    & skf18("4","10","2","8","8","9","1") = "9"
    & skf18("4","10","2","8","8","10","1") = "9"
    & skf18("4","10","2","8","9","1","1") = "9"
    & skf18("4","10","2","8","9","2","1") = "9"
    & skf18("4","10","2","8","9","3","1") = "9"
    & skf18("4","10","2","8","9","4","1") = "9"
    & skf18("4","10","2","8","9","5","1") = "9"
    & skf18("4","10","2","8","9","6","1") = "9"
    & skf18("4","10","2","8","9","7","1") = "9"
    & skf18("4","10","2","8","9","8","1") = "9"
    & skf18("4","10","2","8","9","9","1") = "9"
    & skf18("4","10","2","8","9","10","1") = "9"
    & skf18("4","10","2","8","10","1","1") = "9"
    & skf18("4","10","2","8","10","2","1") = "9"
    & skf18("4","10","2","8","10","3","1") = "9"
    & skf18("4","10","2","8","10","4","1") = "9"
    & skf18("4","10","2","8","10","5","1") = "9"
    & skf18("4","10","2","8","10","6","1") = "9"
    & skf18("4","10","2","8","10","7","1") = "9"
    & skf18("4","10","2","8","10","8","1") = "9"
    & skf18("4","10","2","8","10","9","1") = "9"
    & skf18("4","10","2","8","10","10","1") = "9"
    & skf18("4","10","2","9","1","1","1") = "9"
    & skf18("4","10","2","9","1","2","1") = "9"
    & skf18("4","10","2","9","1","3","1") = "9"
    & skf18("4","10","2","9","1","4","1") = "9"
    & skf18("4","10","2","9","1","5","1") = "9"
    & skf18("4","10","2","9","1","6","1") = "9"
    & skf18("4","10","2","9","1","7","1") = "9"
    & skf18("4","10","2","9","1","8","1") = "9"
    & skf18("4","10","2","9","1","9","1") = "9"
    & skf18("4","10","2","9","1","10","1") = "9"
    & skf18("4","10","2","9","2","1","1") = "9"
    & skf18("4","10","2","9","2","2","1") = "9"
    & skf18("4","10","2","9","2","3","1") = "9"
    & skf18("4","10","2","9","2","4","1") = "9"
    & skf18("4","10","2","9","2","5","1") = "9"
    & skf18("4","10","2","9","2","6","1") = "9"
    & skf18("4","10","2","9","2","7","1") = "9"
    & skf18("4","10","2","9","2","8","1") = "9"
    & skf18("4","10","2","9","2","9","1") = "9"
    & skf18("4","10","2","9","2","10","1") = "9"
    & skf18("4","10","2","9","3","1","1") = "9"
    & skf18("4","10","2","9","3","2","1") = "9"
    & skf18("4","10","2","9","3","3","1") = "9"
    & skf18("4","10","2","9","3","4","1") = "9"
    & skf18("4","10","2","9","3","5","1") = "9"
    & skf18("4","10","2","9","3","6","1") = "9"
    & skf18("4","10","2","9","3","7","1") = "9"
    & skf18("4","10","2","9","3","8","1") = "9"
    & skf18("4","10","2","9","3","9","1") = "9"
    & skf18("4","10","2","9","3","10","1") = "9"
    & skf18("4","10","2","9","4","1","1") = "9"
    & skf18("4","10","2","9","4","2","1") = "9"
    & skf18("4","10","2","9","4","3","1") = "9"
    & skf18("4","10","2","9","4","4","1") = "9"
    & skf18("4","10","2","9","4","5","1") = "9"
    & skf18("4","10","2","9","4","6","1") = "9"
    & skf18("4","10","2","9","4","7","1") = "9"
    & skf18("4","10","2","9","4","8","1") = "9"
    & skf18("4","10","2","9","4","9","1") = "9"
    & skf18("4","10","2","9","4","10","1") = "9"
    & skf18("4","10","2","9","5","1","1") = "9"
    & skf18("4","10","2","9","5","2","1") = "9"
    & skf18("4","10","2","9","5","3","1") = "9"
    & skf18("4","10","2","9","5","4","1") = "9"
    & skf18("4","10","2","9","5","5","1") = "9"
    & skf18("4","10","2","9","5","6","1") = "9"
    & skf18("4","10","2","9","5","7","1") = "9"
    & skf18("4","10","2","9","5","8","1") = "9"
    & skf18("4","10","2","9","5","9","1") = "9"
    & skf18("4","10","2","9","5","10","1") = "9"
    & skf18("4","10","2","9","6","1","1") = "9"
    & skf18("4","10","2","9","6","2","1") = "9"
    & skf18("4","10","2","9","6","3","1") = "9"
    & skf18("4","10","2","9","6","4","1") = "9"
    & skf18("4","10","2","9","6","5","1") = "9"
    & skf18("4","10","2","9","6","6","1") = "9"
    & skf18("4","10","2","9","6","7","1") = "9"
    & skf18("4","10","2","9","6","8","1") = "9"
    & skf18("4","10","2","9","6","9","1") = "9"
    & skf18("4","10","2","9","6","10","1") = "9"
    & skf18("4","10","2","9","7","1","1") = "9"
    & skf18("4","10","2","9","7","2","1") = "9"
    & skf18("4","10","2","9","7","3","1") = "9"
    & skf18("4","10","2","9","7","4","1") = "9"
    & skf18("4","10","2","9","7","5","1") = "9"
    & skf18("4","10","2","9","7","6","1") = "9"
    & skf18("4","10","2","9","7","7","1") = "9"
    & skf18("4","10","2","9","7","8","1") = "9"
    & skf18("4","10","2","9","7","9","1") = "9"
    & skf18("4","10","2","9","7","10","1") = "9"
    & skf18("4","10","2","9","8","1","1") = "9"
    & skf18("4","10","2","9","8","2","1") = "9"
    & skf18("4","10","2","9","8","3","1") = "9"
    & skf18("4","10","2","9","8","4","1") = "9"
    & skf18("4","10","2","9","8","5","1") = "9"
    & skf18("4","10","2","9","8","6","1") = "9"
    & skf18("4","10","2","9","8","7","1") = "9"
    & skf18("4","10","2","9","8","8","1") = "9"
    & skf18("4","10","2","9","8","9","1") = "9"
    & skf18("4","10","2","9","8","10","1") = "9"
    & skf18("4","10","2","9","9","1","1") = "9"
    & skf18("4","10","2","9","9","2","1") = "9"
    & skf18("4","10","2","9","9","3","1") = "9"
    & skf18("4","10","2","9","9","4","1") = "9"
    & skf18("4","10","2","9","9","5","1") = "9"
    & skf18("4","10","2","9","9","6","1") = "9"
    & skf18("4","10","2","9","9","7","1") = "9"
    & skf18("4","10","2","9","9","8","1") = "9"
    & skf18("4","10","2","9","9","9","1") = "9"
    & skf18("4","10","2","9","9","10","1") = "9"
    & skf18("4","10","2","9","10","1","1") = "9"
    & skf18("4","10","2","9","10","2","1") = "9"
    & skf18("4","10","2","9","10","3","1") = "9"
    & skf18("4","10","2","9","10","4","1") = "9"
    & skf18("4","10","2","9","10","5","1") = "9"
    & skf18("4","10","2","9","10","6","1") = "9"
    & skf18("4","10","2","9","10","7","1") = "9"
    & skf18("4","10","2","9","10","8","1") = "9"
    & skf18("4","10","2","9","10","9","1") = "9"
    & skf18("4","10","2","9","10","10","1") = "9"
    & skf18("4","10","2","10","1","1","1") = "9"
    & skf18("4","10","2","10","1","2","1") = "9"
    & skf18("4","10","2","10","1","3","1") = "9"
    & skf18("4","10","2","10","1","4","1") = "9"
    & skf18("4","10","2","10","1","5","1") = "9"
    & skf18("4","10","2","10","1","6","1") = "9"
    & skf18("4","10","2","10","1","7","1") = "9"
    & skf18("4","10","2","10","1","8","1") = "9"
    & skf18("4","10","2","10","1","9","1") = "9"
    & skf18("4","10","2","10","1","10","1") = "9"
    & skf18("4","10","2","10","2","1","1") = "9"
    & skf18("4","10","2","10","2","2","1") = "9"
    & skf18("4","10","2","10","2","3","1") = "9"
    & skf18("4","10","2","10","2","4","1") = "9"
    & skf18("4","10","2","10","2","5","1") = "9"
    & skf18("4","10","2","10","2","6","1") = "9"
    & skf18("4","10","2","10","2","7","1") = "9"
    & skf18("4","10","2","10","2","8","1") = "9"
    & skf18("4","10","2","10","2","9","1") = "9"
    & skf18("4","10","2","10","2","10","1") = "9"
    & skf18("4","10","2","10","3","1","1") = "9"
    & skf18("4","10","2","10","3","2","1") = "9"
    & skf18("4","10","2","10","3","3","1") = "9"
    & skf18("4","10","2","10","3","4","1") = "9"
    & skf18("4","10","2","10","3","5","1") = "9"
    & skf18("4","10","2","10","3","6","1") = "9"
    & skf18("4","10","2","10","3","7","1") = "9"
    & skf18("4","10","2","10","3","8","1") = "9"
    & skf18("4","10","2","10","3","9","1") = "9"
    & skf18("4","10","2","10","3","10","1") = "9"
    & skf18("4","10","2","10","4","1","1") = "9"
    & skf18("4","10","2","10","4","2","1") = "9"
    & skf18("4","10","2","10","4","3","1") = "9"
    & skf18("4","10","2","10","4","4","1") = "9"
    & skf18("4","10","2","10","4","5","1") = "9"
    & skf18("4","10","2","10","4","6","1") = "9"
    & skf18("4","10","2","10","4","7","1") = "9"
    & skf18("4","10","2","10","4","8","1") = "9"
    & skf18("4","10","2","10","4","9","1") = "9"
    & skf18("4","10","2","10","4","10","1") = "9"
    & skf18("4","10","2","10","5","1","1") = "9"
    & skf18("4","10","2","10","5","2","1") = "9"
    & skf18("4","10","2","10","5","3","1") = "9"
    & skf18("4","10","2","10","5","4","1") = "9"
    & skf18("4","10","2","10","5","5","1") = "9"
    & skf18("4","10","2","10","5","6","1") = "9"
    & skf18("4","10","2","10","5","7","1") = "9"
    & skf18("4","10","2","10","5","8","1") = "9"
    & skf18("4","10","2","10","5","9","1") = "9"
    & skf18("4","10","2","10","5","10","1") = "9"
    & skf18("4","10","2","10","6","1","1") = "9"
    & skf18("4","10","2","10","6","2","1") = "9"
    & skf18("4","10","2","10","6","3","1") = "9"
    & skf18("4","10","2","10","6","4","1") = "9"
    & skf18("4","10","2","10","6","5","1") = "9"
    & skf18("4","10","2","10","6","6","1") = "9"
    & skf18("4","10","2","10","6","7","1") = "9"
    & skf18("4","10","2","10","6","8","1") = "9"
    & skf18("4","10","2","10","6","9","1") = "9"
    & skf18("4","10","2","10","6","10","1") = "9"
    & skf18("4","10","2","10","7","1","1") = "9"
    & skf18("4","10","2","10","7","2","1") = "9"
    & skf18("4","10","2","10","7","3","1") = "9"
    & skf18("4","10","2","10","7","4","1") = "9"
    & skf18("4","10","2","10","7","5","1") = "9"
    & skf18("4","10","2","10","7","6","1") = "9"
    & skf18("4","10","2","10","7","7","1") = "9"
    & skf18("4","10","2","10","7","8","1") = "9"
    & skf18("4","10","2","10","7","9","1") = "9"
    & skf18("4","10","2","10","7","10","1") = "9"
    & skf18("4","10","2","10","8","1","1") = "9"
    & skf18("4","10","2","10","8","2","1") = "9"
    & skf18("4","10","2","10","8","3","1") = "9"
    & skf18("4","10","2","10","8","4","1") = "9"
    & skf18("4","10","2","10","8","5","1") = "9"
    & skf18("4","10","2","10","8","6","1") = "9"
    & skf18("4","10","2","10","8","7","1") = "9"
    & skf18("4","10","2","10","8","8","1") = "9"
    & skf18("4","10","2","10","8","9","1") = "9"
    & skf18("4","10","2","10","8","10","1") = "9"
    & skf18("4","10","2","10","9","1","1") = "9"
    & skf18("4","10","2","10","9","2","1") = "9"
    & skf18("4","10","2","10","9","3","1") = "9"
    & skf18("4","10","2","10","9","4","1") = "9"
    & skf18("4","10","2","10","9","5","1") = "9"
    & skf18("4","10","2","10","9","6","1") = "9"
    & skf18("4","10","2","10","9","7","1") = "9"
    & skf18("4","10","2","10","9","8","1") = "9"
    & skf18("4","10","2","10","9","9","1") = "9"
    & skf18("4","10","2","10","9","10","1") = "9"
    & skf18("4","10","2","10","10","1","1") = "9"
    & skf18("4","10","2","10","10","2","1") = "9"
    & skf18("4","10","2","10","10","3","1") = "9"
    & skf18("4","10","2","10","10","4","1") = "9"
    & skf18("4","10","2","10","10","5","1") = "9"
    & skf18("4","10","2","10","10","6","1") = "9"
    & skf18("4","10","2","10","10","7","1") = "9"
    & skf18("4","10","2","10","10","8","1") = "9"
    & skf18("4","10","2","10","10","9","1") = "9"
    & skf18("4","10","2","10","10","10","1") = "9"
    & skf18("4","10","3","1","1","1","1") = "9"
    & skf18("4","10","3","1","1","2","1") = "9"
    & skf18("4","10","3","1","1","3","1") = "9"
    & skf18("4","10","3","1","1","4","1") = "9"
    & skf18("4","10","3","1","1","5","1") = "9"
    & skf18("4","10","3","1","1","6","1") = "9"
    & skf18("4","10","3","1","1","7","1") = "9"
    & skf18("4","10","3","1","1","8","1") = "9"
    & skf18("4","10","3","1","1","9","1") = "9"
    & skf18("4","10","3","1","1","10","1") = "9"
    & skf18("4","10","3","1","2","1","1") = "9"
    & skf18("4","10","3","1","2","2","1") = "9"
    & skf18("4","10","3","1","2","3","1") = "9"
    & skf18("4","10","3","1","2","4","1") = "9"
    & skf18("4","10","3","1","2","5","1") = "9"
    & skf18("4","10","3","1","2","6","1") = "9"
    & skf18("4","10","3","1","2","7","1") = "9"
    & skf18("4","10","3","1","2","8","1") = "9"
    & skf18("4","10","3","1","2","9","1") = "9"
    & skf18("4","10","3","1","2","10","1") = "9"
    & skf18("4","10","3","1","3","1","1") = "9"
    & skf18("4","10","3","1","3","2","1") = "9"
    & skf18("4","10","3","1","3","3","1") = "9"
    & skf18("4","10","3","1","3","4","1") = "9"
    & skf18("4","10","3","1","3","5","1") = "9"
    & skf18("4","10","3","1","3","6","1") = "9"
    & skf18("4","10","3","1","3","7","1") = "9"
    & skf18("4","10","3","1","3","8","1") = "9"
    & skf18("4","10","3","1","3","9","1") = "9"
    & skf18("4","10","3","1","3","10","1") = "9"
    & skf18("4","10","3","1","4","1","1") = "9"
    & skf18("4","10","3","1","4","2","1") = "9"
    & skf18("4","10","3","1","4","3","1") = "9"
    & skf18("4","10","3","1","4","4","1") = "9"
    & skf18("4","10","3","1","4","5","1") = "9"
    & skf18("4","10","3","1","4","6","1") = "9"
    & skf18("4","10","3","1","4","7","1") = "9"
    & skf18("4","10","3","1","4","8","1") = "9"
    & skf18("4","10","3","1","4","9","1") = "9"
    & skf18("4","10","3","1","4","10","1") = "9"
    & skf18("4","10","3","1","5","1","1") = "9"
    & skf18("4","10","3","1","5","2","1") = "9"
    & skf18("4","10","3","1","5","3","1") = "9"
    & skf18("4","10","3","1","5","4","1") = "9"
    & skf18("4","10","3","1","5","5","1") = "9"
    & skf18("4","10","3","1","5","6","1") = "9"
    & skf18("4","10","3","1","5","7","1") = "9"
    & skf18("4","10","3","1","5","8","1") = "9"
    & skf18("4","10","3","1","5","9","1") = "9"
    & skf18("4","10","3","1","5","10","1") = "9"
    & skf18("4","10","3","1","6","1","1") = "9"
    & skf18("4","10","3","1","6","2","1") = "9"
    & skf18("4","10","3","1","6","3","1") = "9"
    & skf18("4","10","3","1","6","4","1") = "9"
    & skf18("4","10","3","1","6","5","1") = "9"
    & skf18("4","10","3","1","6","6","1") = "9"
    & skf18("4","10","3","1","6","7","1") = "9"
    & skf18("4","10","3","1","6","8","1") = "9"
    & skf18("4","10","3","1","6","9","1") = "9"
    & skf18("4","10","3","1","6","10","1") = "9"
    & skf18("4","10","3","1","7","1","1") = "9"
    & skf18("4","10","3","1","7","2","1") = "9"
    & skf18("4","10","3","1","7","3","1") = "9"
    & skf18("4","10","3","1","7","4","1") = "9"
    & skf18("4","10","3","1","7","5","1") = "9"
    & skf18("4","10","3","1","7","6","1") = "9"
    & skf18("4","10","3","1","7","7","1") = "9"
    & skf18("4","10","3","1","7","8","1") = "9"
    & skf18("4","10","3","1","7","9","1") = "9"
    & skf18("4","10","3","1","7","10","1") = "9"
    & skf18("4","10","3","1","8","1","1") = "9"
    & skf18("4","10","3","1","8","2","1") = "9"
    & skf18("4","10","3","1","8","3","1") = "9"
    & skf18("4","10","3","1","8","4","1") = "9"
    & skf18("4","10","3","1","8","5","1") = "9"
    & skf18("4","10","3","1","8","6","1") = "9"
    & skf18("4","10","3","1","8","7","1") = "9"
    & skf18("4","10","3","1","8","8","1") = "9"
    & skf18("4","10","3","1","8","9","1") = "9"
    & skf18("4","10","3","1","8","10","1") = "9"
    & skf18("4","10","3","1","9","1","1") = "9"
    & skf18("4","10","3","1","9","2","1") = "9"
    & skf18("4","10","3","1","9","3","1") = "9"
    & skf18("4","10","3","1","9","4","1") = "9"
    & skf18("4","10","3","1","9","5","1") = "9"
    & skf18("4","10","3","1","9","6","1") = "9"
    & skf18("4","10","3","1","9","7","1") = "9"
    & skf18("4","10","3","1","9","8","1") = "9"
    & skf18("4","10","3","1","9","9","1") = "9"
    & skf18("4","10","3","1","9","10","1") = "9"
    & skf18("4","10","3","1","10","1","1") = "9"
    & skf18("4","10","3","1","10","2","1") = "9"
    & skf18("4","10","3","1","10","3","1") = "9"
    & skf18("4","10","3","1","10","4","1") = "9"
    & skf18("4","10","3","1","10","5","1") = "9"
    & skf18("4","10","3","1","10","6","1") = "9"
    & skf18("4","10","3","1","10","7","1") = "9"
    & skf18("4","10","3","1","10","8","1") = "9"
    & skf18("4","10","3","1","10","9","1") = "9"
    & skf18("4","10","3","1","10","10","1") = "9"
    & skf18("4","10","3","2","1","1","1") = "9"
    & skf18("4","10","3","2","1","2","1") = "9"
    & skf18("4","10","3","2","1","3","1") = "9"
    & skf18("4","10","3","2","1","4","1") = "9"
    & skf18("4","10","3","2","1","5","1") = "9"
    & skf18("4","10","3","2","1","6","1") = "9"
    & skf18("4","10","3","2","1","7","1") = "9"
    & skf18("4","10","3","2","1","8","1") = "9"
    & skf18("4","10","3","2","1","9","1") = "9"
    & skf18("4","10","3","2","1","10","1") = "9"
    & skf18("4","10","3","2","2","1","1") = "9"
    & skf18("4","10","3","2","2","2","1") = "9"
    & skf18("4","10","3","2","2","3","1") = "9"
    & skf18("4","10","3","2","2","4","1") = "9"
    & skf18("4","10","3","2","2","5","1") = "9"
    & skf18("4","10","3","2","2","6","1") = "9"
    & skf18("4","10","3","2","2","7","1") = "9"
    & skf18("4","10","3","2","2","8","1") = "9"
    & skf18("4","10","3","2","2","9","1") = "9"
    & skf18("4","10","3","2","2","10","1") = "9"
    & skf18("4","10","3","2","3","1","1") = "9"
    & skf18("4","10","3","2","3","2","1") = "9"
    & skf18("4","10","3","2","3","3","1") = "9"
    & skf18("4","10","3","2","3","4","1") = "9"
    & skf18("4","10","3","2","3","5","1") = "9"
    & skf18("4","10","3","2","3","6","1") = "9"
    & skf18("4","10","3","2","3","7","1") = "9"
    & skf18("4","10","3","2","3","8","1") = "9"
    & skf18("4","10","3","2","3","9","1") = "9"
    & skf18("4","10","3","2","3","10","1") = "9"
    & skf18("4","10","3","2","4","1","1") = "9"
    & skf18("4","10","3","2","4","2","1") = "9"
    & skf18("4","10","3","2","4","3","1") = "9"
    & skf18("4","10","3","2","4","4","1") = "9"
    & skf18("4","10","3","2","4","5","1") = "9"
    & skf18("4","10","3","2","4","6","1") = "9"
    & skf18("4","10","3","2","4","7","1") = "9"
    & skf18("4","10","3","2","4","8","1") = "9"
    & skf18("4","10","3","2","4","9","1") = "9"
    & skf18("4","10","3","2","4","10","1") = "9"
    & skf18("4","10","3","2","5","1","1") = "9"
    & skf18("4","10","3","2","5","2","1") = "9"
    & skf18("4","10","3","2","5","3","1") = "9"
    & skf18("4","10","3","2","5","4","1") = "9"
    & skf18("4","10","3","2","5","5","1") = "9"
    & skf18("4","10","3","2","5","6","1") = "9"
    & skf18("4","10","3","2","5","7","1") = "9"
    & skf18("4","10","3","2","5","8","1") = "9"
    & skf18("4","10","3","2","5","9","1") = "9"
    & skf18("4","10","3","2","5","10","1") = "9"
    & skf18("4","10","3","2","6","1","1") = "9"
    & skf18("4","10","3","2","6","2","1") = "9"
    & skf18("4","10","3","2","6","3","1") = "9"
    & skf18("4","10","3","2","6","4","1") = "9"
    & skf18("4","10","3","2","6","5","1") = "9"
    & skf18("4","10","3","2","6","6","1") = "9"
    & skf18("4","10","3","2","6","7","1") = "9"
    & skf18("4","10","3","2","6","8","1") = "9"
    & skf18("4","10","3","2","6","9","1") = "9"
    & skf18("4","10","3","2","6","10","1") = "9"
    & skf18("4","10","3","2","7","1","1") = "9"
    & skf18("4","10","3","2","7","2","1") = "9"
    & skf18("4","10","3","2","7","3","1") = "9"
    & skf18("4","10","3","2","7","4","1") = "9"
    & skf18("4","10","3","2","7","5","1") = "9"
    & skf18("4","10","3","2","7","6","1") = "9"
    & skf18("4","10","3","2","7","7","1") = "9"
    & skf18("4","10","3","2","7","8","1") = "9"
    & skf18("4","10","3","2","7","9","1") = "9"
    & skf18("4","10","3","2","7","10","1") = "9"
    & skf18("4","10","3","2","8","1","1") = "9"
    & skf18("4","10","3","2","8","2","1") = "9"
    & skf18("4","10","3","2","8","3","1") = "9"
    & skf18("4","10","3","2","8","4","1") = "9"
    & skf18("4","10","3","2","8","5","1") = "9"
    & skf18("4","10","3","2","8","6","1") = "9"
    & skf18("4","10","3","2","8","7","1") = "9"
    & skf18("4","10","3","2","8","8","1") = "9"
    & skf18("4","10","3","2","8","9","1") = "9"
    & skf18("4","10","3","2","8","10","1") = "9"
    & skf18("4","10","3","2","9","1","1") = "9"
    & skf18("4","10","3","2","9","2","1") = "9"
    & skf18("4","10","3","2","9","3","1") = "9"
    & skf18("4","10","3","2","9","4","1") = "9"
    & skf18("4","10","3","2","9","5","1") = "9"
    & skf18("4","10","3","2","9","6","1") = "9"
    & skf18("4","10","3","2","9","7","1") = "9"
    & skf18("4","10","3","2","9","8","1") = "9"
    & skf18("4","10","3","2","9","9","1") = "9"
    & skf18("4","10","3","2","9","10","1") = "9"
    & skf18("4","10","3","2","10","1","1") = "9"
    & skf18("4","10","3","2","10","2","1") = "9"
    & skf18("4","10","3","2","10","3","1") = "9"
    & skf18("4","10","3","2","10","4","1") = "9"
    & skf18("4","10","3","2","10","5","1") = "9"
    & skf18("4","10","3","2","10","6","1") = "9"
    & skf18("4","10","3","2","10","7","1") = "9"
    & skf18("4","10","3","2","10","8","1") = "9"
    & skf18("4","10","3","2","10","9","1") = "9"
    & skf18("4","10","3","2","10","10","1") = "9"
    & skf18("4","10","3","3","1","1","1") = "9"
    & skf18("4","10","3","3","1","2","1") = "9"
    & skf18("4","10","3","3","1","3","1") = "9"
    & skf18("4","10","3","3","1","4","1") = "9"
    & skf18("4","10","3","3","1","5","1") = "9"
    & skf18("4","10","3","3","1","6","1") = "9"
    & skf18("4","10","3","3","1","7","1") = "9"
    & skf18("4","10","3","3","1","8","1") = "9"
    & skf18("4","10","3","3","1","9","1") = "9"
    & skf18("4","10","3","3","1","10","1") = "9"
    & skf18("4","10","3","3","2","1","1") = "9"
    & skf18("4","10","3","3","2","2","1") = "9"
    & skf18("4","10","3","3","2","3","1") = "9"
    & skf18("4","10","3","3","2","4","1") = "9"
    & skf18("4","10","3","3","2","5","1") = "9"
    & skf18("4","10","3","3","2","6","1") = "9"
    & skf18("4","10","3","3","2","7","1") = "9"
    & skf18("4","10","3","3","2","8","1") = "9"
    & skf18("4","10","3","3","2","9","1") = "9"
    & skf18("4","10","3","3","2","10","1") = "9"
    & skf18("4","10","3","3","3","1","1") = "9"
    & skf18("4","10","3","3","3","2","1") = "9"
    & skf18("4","10","3","3","3","3","1") = "9"
    & skf18("4","10","3","3","3","4","1") = "9"
    & skf18("4","10","3","3","3","5","1") = "9"
    & skf18("4","10","3","3","3","6","1") = "9"
    & skf18("4","10","3","3","3","7","1") = "9"
    & skf18("4","10","3","3","3","8","1") = "9"
    & skf18("4","10","3","3","3","9","1") = "9"
    & skf18("4","10","3","3","3","10","1") = "9"
    & skf18("4","10","3","3","4","1","1") = "9"
    & skf18("4","10","3","3","4","2","1") = "9"
    & skf18("4","10","3","3","4","3","1") = "9"
    & skf18("4","10","3","3","4","4","1") = "9"
    & skf18("4","10","3","3","4","5","1") = "9"
    & skf18("4","10","3","3","4","6","1") = "9"
    & skf18("4","10","3","3","4","7","1") = "9"
    & skf18("4","10","3","3","4","8","1") = "9"
    & skf18("4","10","3","3","4","9","1") = "9"
    & skf18("4","10","3","3","4","10","1") = "9"
    & skf18("4","10","3","3","5","1","1") = "9"
    & skf18("4","10","3","3","5","2","1") = "9"
    & skf18("4","10","3","3","5","3","1") = "9"
    & skf18("4","10","3","3","5","4","1") = "9"
    & skf18("4","10","3","3","5","5","1") = "9"
    & skf18("4","10","3","3","5","6","1") = "9"
    & skf18("4","10","3","3","5","7","1") = "9"
    & skf18("4","10","3","3","5","8","1") = "9"
    & skf18("4","10","3","3","5","9","1") = "9"
    & skf18("4","10","3","3","5","10","1") = "9"
    & skf18("4","10","3","3","6","1","1") = "9"
    & skf18("4","10","3","3","6","2","1") = "9"
    & skf18("4","10","3","3","6","3","1") = "9"
    & skf18("4","10","3","3","6","4","1") = "9"
    & skf18("4","10","3","3","6","5","1") = "9"
    & skf18("4","10","3","3","6","6","1") = "9"
    & skf18("4","10","3","3","6","7","1") = "9"
    & skf18("4","10","3","3","6","8","1") = "9"
    & skf18("4","10","3","3","6","9","1") = "9"
    & skf18("4","10","3","3","6","10","1") = "9"
    & skf18("4","10","3","3","7","1","1") = "9"
    & skf18("4","10","3","3","7","2","1") = "9"
    & skf18("4","10","3","3","7","3","1") = "9"
    & skf18("4","10","3","3","7","4","1") = "9"
    & skf18("4","10","3","3","7","5","1") = "9"
    & skf18("4","10","3","3","7","6","1") = "9"
    & skf18("4","10","3","3","7","7","1") = "9"
    & skf18("4","10","3","3","7","8","1") = "9"
    & skf18("4","10","3","3","7","9","1") = "9"
    & skf18("4","10","3","3","7","10","1") = "9"
    & skf18("4","10","3","3","8","1","1") = "9"
    & skf18("4","10","3","3","8","2","1") = "9"
    & skf18("4","10","3","3","8","3","1") = "9"
    & skf18("4","10","3","3","8","4","1") = "9"
    & skf18("4","10","3","3","8","5","1") = "9"
    & skf18("4","10","3","3","8","6","1") = "9"
    & skf18("4","10","3","3","8","7","1") = "9"
    & skf18("4","10","3","3","8","8","1") = "9"
    & skf18("4","10","3","3","8","9","1") = "9"
    & skf18("4","10","3","3","8","10","1") = "9"
    & skf18("4","10","3","3","9","1","1") = "9"
    & skf18("4","10","3","3","9","2","1") = "9"
    & skf18("4","10","3","3","9","3","1") = "9"
    & skf18("4","10","3","3","9","4","1") = "9"
    & skf18("4","10","3","3","9","5","1") = "9"
    & skf18("4","10","3","3","9","6","1") = "9"
    & skf18("4","10","3","3","9","7","1") = "9"
    & skf18("4","10","3","3","9","8","1") = "9"
    & skf18("4","10","3","3","9","9","1") = "9"
    & skf18("4","10","3","3","9","10","1") = "9"
    & skf18("4","10","3","3","10","1","1") = "9"
    & skf18("4","10","3","3","10","2","1") = "9"
    & skf18("4","10","3","3","10","3","1") = "9"
    & skf18("4","10","3","3","10","4","1") = "9"
    & skf18("4","10","3","3","10","5","1") = "9"
    & skf18("4","10","3","3","10","6","1") = "9"
    & skf18("4","10","3","3","10","7","1") = "9"
    & skf18("4","10","3","3","10","8","1") = "9"
    & skf18("4","10","3","3","10","9","1") = "9"
    & skf18("4","10","3","3","10","10","1") = "9"
    & skf18("4","10","3","4","1","1","1") = "9"
    & skf18("4","10","3","4","1","2","1") = "9"
    & skf18("4","10","3","4","1","3","1") = "9"
    & skf18("4","10","3","4","1","4","1") = "9"
    & skf18("4","10","3","4","1","5","1") = "9"
    & skf18("4","10","3","4","1","6","1") = "9"
    & skf18("4","10","3","4","1","7","1") = "9"
    & skf18("4","10","3","4","1","8","1") = "9"
    & skf18("4","10","3","4","1","9","1") = "9"
    & skf18("4","10","3","4","1","10","1") = "9"
    & skf18("4","10","3","4","2","1","1") = "9"
    & skf18("4","10","3","4","2","2","1") = "9"
    & skf18("4","10","3","4","2","3","1") = "9"
    & skf18("4","10","3","4","2","4","1") = "9"
    & skf18("4","10","3","4","2","5","1") = "9"
    & skf18("4","10","3","4","2","6","1") = "9"
    & skf18("4","10","3","4","2","7","1") = "9"
    & skf18("4","10","3","4","2","8","1") = "9"
    & skf18("4","10","3","4","2","9","1") = "9"
    & skf18("4","10","3","4","2","10","1") = "9"
    & skf18("4","10","3","4","3","1","1") = "9"
    & skf18("4","10","3","4","3","2","1") = "9"
    & skf18("4","10","3","4","3","3","1") = "9"
    & skf18("4","10","3","4","3","4","1") = "9"
    & skf18("4","10","3","4","3","5","1") = "9"
    & skf18("4","10","3","4","3","6","1") = "9"
    & skf18("4","10","3","4","3","7","1") = "9"
    & skf18("4","10","3","4","3","8","1") = "9"
    & skf18("4","10","3","4","3","9","1") = "9"
    & skf18("4","10","3","4","3","10","1") = "9"
    & skf18("4","10","3","4","4","1","1") = "9"
    & skf18("4","10","3","4","4","2","1") = "9"
    & skf18("4","10","3","4","4","3","1") = "9"
    & skf18("4","10","3","4","4","4","1") = "9"
    & skf18("4","10","3","4","4","5","1") = "9"
    & skf18("4","10","3","4","4","6","1") = "9"
    & skf18("4","10","3","4","4","7","1") = "9"
    & skf18("4","10","3","4","4","8","1") = "9"
    & skf18("4","10","3","4","4","9","1") = "9"
    & skf18("4","10","3","4","4","10","1") = "9"
    & skf18("4","10","3","4","5","1","1") = "9"
    & skf18("4","10","3","4","5","2","1") = "9"
    & skf18("4","10","3","4","5","3","1") = "9"
    & skf18("4","10","3","4","5","4","1") = "9"
    & skf18("4","10","3","4","5","5","1") = "9"
    & skf18("4","10","3","4","5","6","1") = "9"
    & skf18("4","10","3","4","5","7","1") = "9"
    & skf18("4","10","3","4","5","8","1") = "9"
    & skf18("4","10","3","4","5","9","1") = "9"
    & skf18("4","10","3","4","5","10","1") = "9"
    & skf18("4","10","3","4","6","1","1") = "9"
    & skf18("4","10","3","4","6","2","1") = "9"
    & skf18("4","10","3","4","6","3","1") = "9"
    & skf18("4","10","3","4","6","4","1") = "9"
    & skf18("4","10","3","4","6","5","1") = "9"
    & skf18("4","10","3","4","6","6","1") = "9"
    & skf18("4","10","3","4","6","7","1") = "9"
    & skf18("4","10","3","4","6","8","1") = "9"
    & skf18("4","10","3","4","6","9","1") = "9"
    & skf18("4","10","3","4","6","10","1") = "9"
    & skf18("4","10","3","4","7","1","1") = "9"
    & skf18("4","10","3","4","7","2","1") = "9"
    & skf18("4","10","3","4","7","3","1") = "9"
    & skf18("4","10","3","4","7","4","1") = "9"
    & skf18("4","10","3","4","7","5","1") = "9"
    & skf18("4","10","3","4","7","6","1") = "9"
    & skf18("4","10","3","4","7","7","1") = "9"
    & skf18("4","10","3","4","7","8","1") = "9"
    & skf18("4","10","3","4","7","9","1") = "9"
    & skf18("4","10","3","4","7","10","1") = "9"
    & skf18("4","10","3","4","8","1","1") = "9"
    & skf18("4","10","3","4","8","2","1") = "9"
    & skf18("4","10","3","4","8","3","1") = "9"
    & skf18("4","10","3","4","8","4","1") = "9"
    & skf18("4","10","3","4","8","5","1") = "9"
    & skf18("4","10","3","4","8","6","1") = "9"
    & skf18("4","10","3","4","8","7","1") = "9"
    & skf18("4","10","3","4","8","8","1") = "9"
    & skf18("4","10","3","4","8","9","1") = "9"
    & skf18("4","10","3","4","8","10","1") = "9"
    & skf18("4","10","3","4","9","1","1") = "9"
    & skf18("4","10","3","4","9","2","1") = "9"
    & skf18("4","10","3","4","9","3","1") = "9"
    & skf18("4","10","3","4","9","4","1") = "9"
    & skf18("4","10","3","4","9","5","1") = "9"
    & skf18("4","10","3","4","9","6","1") = "9"
    & skf18("4","10","3","4","9","7","1") = "9"
    & skf18("4","10","3","4","9","8","1") = "9"
    & skf18("4","10","3","4","9","9","1") = "9"
    & skf18("4","10","3","4","9","10","1") = "9"
    & skf18("4","10","3","4","10","1","1") = "9"
    & skf18("4","10","3","4","10","2","1") = "9"
    & skf18("4","10","3","4","10","3","1") = "9"
    & skf18("4","10","3","4","10","4","1") = "9"
    & skf18("4","10","3","4","10","5","1") = "9"
    & skf18("4","10","3","4","10","6","1") = "9"
    & skf18("4","10","3","4","10","7","1") = "9"
    & skf18("4","10","3","4","10","8","1") = "9"
    & skf18("4","10","3","4","10","9","1") = "9"
    & skf18("4","10","3","4","10","10","1") = "9"
    & skf18("4","10","3","5","1","1","1") = "9"
    & skf18("4","10","3","5","1","2","1") = "9"
    & skf18("4","10","3","5","1","3","1") = "9"
    & skf18("4","10","3","5","1","4","1") = "9"
    & skf18("4","10","3","5","1","5","1") = "9"
    & skf18("4","10","3","5","1","6","1") = "9"
    & skf18("4","10","3","5","1","7","1") = "9"
    & skf18("4","10","3","5","1","8","1") = "9"
    & skf18("4","10","3","5","1","9","1") = "9"
    & skf18("4","10","3","5","1","10","1") = "9"
    & skf18("4","10","3","5","2","1","1") = "9"
    & skf18("4","10","3","5","2","2","1") = "9"
    & skf18("4","10","3","5","2","3","1") = "9"
    & skf18("4","10","3","5","2","4","1") = "9"
    & skf18("4","10","3","5","2","5","1") = "9"
    & skf18("4","10","3","5","2","6","1") = "9"
    & skf18("4","10","3","5","2","7","1") = "9"
    & skf18("4","10","3","5","2","8","1") = "9"
    & skf18("4","10","3","5","2","9","1") = "9"
    & skf18("4","10","3","5","2","10","1") = "9"
    & skf18("4","10","3","5","3","1","1") = "9"
    & skf18("4","10","3","5","3","2","1") = "9"
    & skf18("4","10","3","5","3","3","1") = "9"
    & skf18("4","10","3","5","3","4","1") = "9"
    & skf18("4","10","3","5","3","5","1") = "9"
    & skf18("4","10","3","5","3","6","1") = "9"
    & skf18("4","10","3","5","3","7","1") = "9"
    & skf18("4","10","3","5","3","8","1") = "9"
    & skf18("4","10","3","5","3","9","1") = "9"
    & skf18("4","10","3","5","3","10","1") = "9"
    & skf18("4","10","3","5","4","1","1") = "9"
    & skf18("4","10","3","5","4","2","1") = "9"
    & skf18("4","10","3","5","4","3","1") = "9"
    & skf18("4","10","3","5","4","4","1") = "9"
    & skf18("4","10","3","5","4","5","1") = "9"
    & skf18("4","10","3","5","4","6","1") = "9"
    & skf18("4","10","3","5","4","7","1") = "9"
    & skf18("4","10","3","5","4","8","1") = "9"
    & skf18("4","10","3","5","4","9","1") = "9"
    & skf18("4","10","3","5","4","10","1") = "9"
    & skf18("4","10","3","5","5","1","1") = "9"
    & skf18("4","10","3","5","5","2","1") = "9"
    & skf18("4","10","3","5","5","3","1") = "9"
    & skf18("4","10","3","5","5","4","1") = "9"
    & skf18("4","10","3","5","5","5","1") = "9"
    & skf18("4","10","3","5","5","6","1") = "9"
    & skf18("4","10","3","5","5","7","1") = "9"
    & skf18("4","10","3","5","5","8","1") = "9"
    & skf18("4","10","3","5","5","9","1") = "9"
    & skf18("4","10","3","5","5","10","1") = "9"
    & skf18("4","10","3","5","6","1","1") = "9"
    & skf18("4","10","3","5","6","2","1") = "9"
    & skf18("4","10","3","5","6","3","1") = "9"
    & skf18("4","10","3","5","6","4","1") = "9"
    & skf18("4","10","3","5","6","5","1") = "9"
    & skf18("4","10","3","5","6","6","1") = "9"
    & skf18("4","10","3","5","6","7","1") = "9"
    & skf18("4","10","3","5","6","8","1") = "9"
    & skf18("4","10","3","5","6","9","1") = "9"
    & skf18("4","10","3","5","6","10","1") = "9"
    & skf18("4","10","3","5","7","1","1") = "9"
    & skf18("4","10","3","5","7","2","1") = "9"
    & skf18("4","10","3","5","7","3","1") = "9"
    & skf18("4","10","3","5","7","4","1") = "9"
    & skf18("4","10","3","5","7","5","1") = "9"
    & skf18("4","10","3","5","7","6","1") = "9"
    & skf18("4","10","3","5","7","7","1") = "9"
    & skf18("4","10","3","5","7","8","1") = "9"
    & skf18("4","10","3","5","7","9","1") = "9"
    & skf18("4","10","3","5","7","10","1") = "9"
    & skf18("4","10","3","5","8","1","1") = "9"
    & skf18("4","10","3","5","8","2","1") = "9"
    & skf18("4","10","3","5","8","3","1") = "9"
    & skf18("4","10","3","5","8","4","1") = "9"
    & skf18("4","10","3","5","8","5","1") = "9"
    & skf18("4","10","3","5","8","6","1") = "9"
    & skf18("4","10","3","5","8","7","1") = "9"
    & skf18("4","10","3","5","8","8","1") = "9"
    & skf18("4","10","3","5","8","9","1") = "9"
    & skf18("4","10","3","5","8","10","1") = "9"
    & skf18("4","10","3","5","9","1","1") = "9"
    & skf18("4","10","3","5","9","2","1") = "9"
    & skf18("4","10","3","5","9","3","1") = "9"
    & skf18("4","10","3","5","9","4","1") = "9"
    & skf18("4","10","3","5","9","5","1") = "9"
    & skf18("4","10","3","5","9","6","1") = "9"
    & skf18("4","10","3","5","9","7","1") = "9"
    & skf18("4","10","3","5","9","8","1") = "9"
    & skf18("4","10","3","5","9","9","1") = "9"
    & skf18("4","10","3","5","9","10","1") = "9"
    & skf18("4","10","3","5","10","1","1") = "9"
    & skf18("4","10","3","5","10","2","1") = "9"
    & skf18("4","10","3","5","10","3","1") = "9"
    & skf18("4","10","3","5","10","4","1") = "9"
    & skf18("4","10","3","5","10","5","1") = "9"
    & skf18("4","10","3","5","10","6","1") = "9"
    & skf18("4","10","3","5","10","7","1") = "9"
    & skf18("4","10","3","5","10","8","1") = "9"
    & skf18("4","10","3","5","10","9","1") = "9"
    & skf18("4","10","3","5","10","10","1") = "9"
    & skf18("4","10","3","6","1","1","1") = "9"
    & skf18("4","10","3","6","1","2","1") = "9"
    & skf18("4","10","3","6","1","3","1") = "9"
    & skf18("4","10","3","6","1","4","1") = "9"
    & skf18("4","10","3","6","1","5","1") = "9"
    & skf18("4","10","3","6","1","6","1") = "9"
    & skf18("4","10","3","6","1","7","1") = "9"
    & skf18("4","10","3","6","1","8","1") = "9"
    & skf18("4","10","3","6","1","9","1") = "9"
    & skf18("4","10","3","6","1","10","1") = "9"
    & skf18("4","10","3","6","2","1","1") = "9"
    & skf18("4","10","3","6","2","2","1") = "9"
    & skf18("4","10","3","6","2","3","1") = "9"
    & skf18("4","10","3","6","2","4","1") = "9"
    & skf18("4","10","3","6","2","5","1") = "9"
    & skf18("4","10","3","6","2","6","1") = "9"
    & skf18("4","10","3","6","2","7","1") = "9"
    & skf18("4","10","3","6","2","8","1") = "9"
    & skf18("4","10","3","6","2","9","1") = "9"
    & skf18("4","10","3","6","2","10","1") = "9"
    & skf18("4","10","3","6","3","1","1") = "9"
    & skf18("4","10","3","6","3","2","1") = "9"
    & skf18("4","10","3","6","3","3","1") = "9"
    & skf18("4","10","3","6","3","4","1") = "9"
    & skf18("4","10","3","6","3","5","1") = "9"
    & skf18("4","10","3","6","3","6","1") = "9"
    & skf18("4","10","3","6","3","7","1") = "9"
    & skf18("4","10","3","6","3","8","1") = "9"
    & skf18("4","10","3","6","3","9","1") = "9"
    & skf18("4","10","3","6","3","10","1") = "9"
    & skf18("4","10","3","6","4","1","1") = "9"
    & skf18("4","10","3","6","4","2","1") = "9"
    & skf18("4","10","3","6","4","3","1") = "9"
    & skf18("4","10","3","6","4","4","1") = "9"
    & skf18("4","10","3","6","4","5","1") = "9"
    & skf18("4","10","3","6","4","6","1") = "9"
    & skf18("4","10","3","6","4","7","1") = "9"
    & skf18("4","10","3","6","4","8","1") = "9"
    & skf18("4","10","3","6","4","9","1") = "9"
    & skf18("4","10","3","6","4","10","1") = "9"
    & skf18("4","10","3","6","5","1","1") = "9"
    & skf18("4","10","3","6","5","2","1") = "9"
    & skf18("4","10","3","6","5","3","1") = "9"
    & skf18("4","10","3","6","5","4","1") = "9"
    & skf18("4","10","3","6","5","5","1") = "9"
    & skf18("4","10","3","6","5","6","1") = "9"
    & skf18("4","10","3","6","5","7","1") = "9"
    & skf18("4","10","3","6","5","8","1") = "9"
    & skf18("4","10","3","6","5","9","1") = "9"
    & skf18("4","10","3","6","5","10","1") = "9"
    & skf18("4","10","3","6","6","1","1") = "9"
    & skf18("4","10","3","6","6","2","1") = "9"
    & skf18("4","10","3","6","6","3","1") = "9"
    & skf18("4","10","3","6","6","4","1") = "9"
    & skf18("4","10","3","6","6","5","1") = "9"
    & skf18("4","10","3","6","6","6","1") = "9"
    & skf18("4","10","3","6","6","7","1") = "9"
    & skf18("4","10","3","6","6","8","1") = "9"
    & skf18("4","10","3","6","6","9","1") = "9"
    & skf18("4","10","3","6","6","10","1") = "9"
    & skf18("4","10","3","6","7","1","1") = "9"
    & skf18("4","10","3","6","7","2","1") = "9"
    & skf18("4","10","3","6","7","3","1") = "9"
    & skf18("4","10","3","6","7","4","1") = "9"
    & skf18("4","10","3","6","7","5","1") = "9"
    & skf18("4","10","3","6","7","6","1") = "9"
    & skf18("4","10","3","6","7","7","1") = "9"
    & skf18("4","10","3","6","7","8","1") = "9"
    & skf18("4","10","3","6","7","9","1") = "9"
    & skf18("4","10","3","6","7","10","1") = "9"
    & skf18("4","10","3","6","8","1","1") = "9"
    & skf18("4","10","3","6","8","2","1") = "9"
    & skf18("4","10","3","6","8","3","1") = "9"
    & skf18("4","10","3","6","8","4","1") = "9"
    & skf18("4","10","3","6","8","5","1") = "9"
    & skf18("4","10","3","6","8","6","1") = "9"
    & skf18("4","10","3","6","8","7","1") = "9"
    & skf18("4","10","3","6","8","8","1") = "9"
    & skf18("4","10","3","6","8","9","1") = "9"
    & skf18("4","10","3","6","8","10","1") = "9"
    & skf18("4","10","3","6","9","1","1") = "9"
    & skf18("4","10","3","6","9","2","1") = "9"
    & skf18("4","10","3","6","9","3","1") = "9"
    & skf18("4","10","3","6","9","4","1") = "9"
    & skf18("4","10","3","6","9","5","1") = "9"
    & skf18("4","10","3","6","9","6","1") = "9"
    & skf18("4","10","3","6","9","7","1") = "9"
    & skf18("4","10","3","6","9","8","1") = "9"
    & skf18("4","10","3","6","9","9","1") = "9"
    & skf18("4","10","3","6","9","10","1") = "9"
    & skf18("4","10","3","6","10","1","1") = "9"
    & skf18("4","10","3","6","10","2","1") = "9"
    & skf18("4","10","3","6","10","3","1") = "9"
    & skf18("4","10","3","6","10","4","1") = "9"
    & skf18("4","10","3","6","10","5","1") = "9"
    & skf18("4","10","3","6","10","6","1") = "9"
    & skf18("4","10","3","6","10","7","1") = "9"
    & skf18("4","10","3","6","10","8","1") = "9"
    & skf18("4","10","3","6","10","9","1") = "9"
    & skf18("4","10","3","6","10","10","1") = "9"
    & skf18("4","10","3","7","1","1","1") = "9"
    & skf18("4","10","3","7","1","2","1") = "9"
    & skf18("4","10","3","7","1","3","1") = "9"
    & skf18("4","10","3","7","1","4","1") = "9"
    & skf18("4","10","3","7","1","5","1") = "9"
    & skf18("4","10","3","7","1","6","1") = "9"
    & skf18("4","10","3","7","1","7","1") = "9"
    & skf18("4","10","3","7","1","8","1") = "9"
    & skf18("4","10","3","7","1","9","1") = "9"
    & skf18("4","10","3","7","1","10","1") = "9"
    & skf18("4","10","3","7","2","1","1") = "9"
    & skf18("4","10","3","7","2","2","1") = "9"
    & skf18("4","10","3","7","2","3","1") = "9"
    & skf18("4","10","3","7","2","4","1") = "9"
    & skf18("4","10","3","7","2","5","1") = "9"
    & skf18("4","10","3","7","2","6","1") = "9"
    & skf18("4","10","3","7","2","7","1") = "9"
    & skf18("4","10","3","7","2","8","1") = "9"
    & skf18("4","10","3","7","2","9","1") = "9"
    & skf18("4","10","3","7","2","10","1") = "9"
    & skf18("4","10","3","7","3","1","1") = "9"
    & skf18("4","10","3","7","3","2","1") = "9"
    & skf18("4","10","3","7","3","3","1") = "9"
    & skf18("4","10","3","7","3","4","1") = "9"
    & skf18("4","10","3","7","3","5","1") = "9"
    & skf18("4","10","3","7","3","6","1") = "9"
    & skf18("4","10","3","7","3","7","1") = "9"
    & skf18("4","10","3","7","3","8","1") = "9"
    & skf18("4","10","3","7","3","9","1") = "9"
    & skf18("4","10","3","7","3","10","1") = "9"
    & skf18("4","10","3","7","4","1","1") = "9"
    & skf18("4","10","3","7","4","2","1") = "9"
    & skf18("4","10","3","7","4","3","1") = "9"
    & skf18("4","10","3","7","4","4","1") = "9"
    & skf18("4","10","3","7","4","5","1") = "9"
    & skf18("4","10","3","7","4","6","1") = "9"
    & skf18("4","10","3","7","4","7","1") = "9"
    & skf18("4","10","3","7","4","8","1") = "9"
    & skf18("4","10","3","7","4","9","1") = "9"
    & skf18("4","10","3","7","4","10","1") = "9"
    & skf18("4","10","3","7","5","1","1") = "9"
    & skf18("4","10","3","7","5","2","1") = "9"
    & skf18("4","10","3","7","5","3","1") = "9"
    & skf18("4","10","3","7","5","4","1") = "9"
    & skf18("4","10","3","7","5","5","1") = "9"
    & skf18("4","10","3","7","5","6","1") = "9"
    & skf18("4","10","3","7","5","7","1") = "9"
    & skf18("4","10","3","7","5","8","1") = "9"
    & skf18("4","10","3","7","5","9","1") = "9"
    & skf18("4","10","3","7","5","10","1") = "9"
    & skf18("4","10","3","7","6","1","1") = "9"
    & skf18("4","10","3","7","6","2","1") = "9"
    & skf18("4","10","3","7","6","3","1") = "9"
    & skf18("4","10","3","7","6","4","1") = "9"
    & skf18("4","10","3","7","6","5","1") = "9"
    & skf18("4","10","3","7","6","6","1") = "9"
    & skf18("4","10","3","7","6","7","1") = "9"
    & skf18("4","10","3","7","6","8","1") = "9"
    & skf18("4","10","3","7","6","9","1") = "9"
    & skf18("4","10","3","7","6","10","1") = "9"
    & skf18("4","10","3","7","7","1","1") = "9"
    & skf18("4","10","3","7","7","2","1") = "9"
    & skf18("4","10","3","7","7","3","1") = "9"
    & skf18("4","10","3","7","7","4","1") = "9"
    & skf18("4","10","3","7","7","5","1") = "9"
    & skf18("4","10","3","7","7","6","1") = "9"
    & skf18("4","10","3","7","7","7","1") = "9"
    & skf18("4","10","3","7","7","8","1") = "9"
    & skf18("4","10","3","7","7","9","1") = "9"
    & skf18("4","10","3","7","7","10","1") = "9"
    & skf18("4","10","3","7","8","1","1") = "9"
    & skf18("4","10","3","7","8","2","1") = "9"
    & skf18("4","10","3","7","8","3","1") = "9"
    & skf18("4","10","3","7","8","4","1") = "9"
    & skf18("4","10","3","7","8","5","1") = "9"
    & skf18("4","10","3","7","8","6","1") = "9"
    & skf18("4","10","3","7","8","7","1") = "9"
    & skf18("4","10","3","7","8","8","1") = "9"
    & skf18("4","10","3","7","8","9","1") = "9"
    & skf18("4","10","3","7","8","10","1") = "9"
    & skf18("4","10","3","7","9","1","1") = "9"
    & skf18("4","10","3","7","9","2","1") = "9"
    & skf18("4","10","3","7","9","3","1") = "9"
    & skf18("4","10","3","7","9","4","1") = "9"
    & skf18("4","10","3","7","9","5","1") = "9"
    & skf18("4","10","3","7","9","6","1") = "9"
    & skf18("4","10","3","7","9","7","1") = "9"
    & skf18("4","10","3","7","9","8","1") = "9"
    & skf18("4","10","3","7","9","9","1") = "9"
    & skf18("4","10","3","7","9","10","1") = "9"
    & skf18("4","10","3","7","10","1","1") = "9"
    & skf18("4","10","3","7","10","2","1") = "9"
    & skf18("4","10","3","7","10","3","1") = "9"
    & skf18("4","10","3","7","10","4","1") = "9"
    & skf18("4","10","3","7","10","5","1") = "9"
    & skf18("4","10","3","7","10","6","1") = "9"
    & skf18("4","10","3","7","10","7","1") = "9"
    & skf18("4","10","3","7","10","8","1") = "9"
    & skf18("4","10","3","7","10","9","1") = "9"
    & skf18("4","10","3","7","10","10","1") = "9"
    & skf18("4","10","3","8","1","1","1") = "9"
    & skf18("4","10","3","8","1","2","1") = "9"
    & skf18("4","10","3","8","1","3","1") = "9"
    & skf18("4","10","3","8","1","4","1") = "9"
    & skf18("4","10","3","8","1","5","1") = "9"
    & skf18("4","10","3","8","1","6","1") = "9"
    & skf18("4","10","3","8","1","7","1") = "9"
    & skf18("4","10","3","8","1","8","1") = "9"
    & skf18("4","10","3","8","1","9","1") = "9"
    & skf18("4","10","3","8","1","10","1") = "9"
    & skf18("4","10","3","8","2","1","1") = "9"
    & skf18("4","10","3","8","2","2","1") = "9"
    & skf18("4","10","3","8","2","3","1") = "9"
    & skf18("4","10","3","8","2","4","1") = "9"
    & skf18("4","10","3","8","2","5","1") = "9"
    & skf18("4","10","3","8","2","6","1") = "9"
    & skf18("4","10","3","8","2","7","1") = "9"
    & skf18("4","10","3","8","2","8","1") = "9"
    & skf18("4","10","3","8","2","9","1") = "9"
    & skf18("4","10","3","8","2","10","1") = "9"
    & skf18("4","10","3","8","3","1","1") = "9"
    & skf18("4","10","3","8","3","2","1") = "9"
    & skf18("4","10","3","8","3","3","1") = "9"
    & skf18("4","10","3","8","3","4","1") = "9"
    & skf18("4","10","3","8","3","5","1") = "9"
    & skf18("4","10","3","8","3","6","1") = "9"
    & skf18("4","10","3","8","3","7","1") = "9"
    & skf18("4","10","3","8","3","8","1") = "9"
    & skf18("4","10","3","8","3","9","1") = "9"
    & skf18("4","10","3","8","3","10","1") = "9"
    & skf18("4","10","3","8","4","1","1") = "9"
    & skf18("4","10","3","8","4","2","1") = "9"
    & skf18("4","10","3","8","4","3","1") = "9"
    & skf18("4","10","3","8","4","4","1") = "9"
    & skf18("4","10","3","8","4","5","1") = "9"
    & skf18("4","10","3","8","4","6","1") = "9"
    & skf18("4","10","3","8","4","7","1") = "9"
    & skf18("4","10","3","8","4","8","1") = "9"
    & skf18("4","10","3","8","4","9","1") = "9"
    & skf18("4","10","3","8","4","10","1") = "9"
    & skf18("4","10","3","8","5","1","1") = "9"
    & skf18("4","10","3","8","5","2","1") = "9"
    & skf18("4","10","3","8","5","3","1") = "9"
    & skf18("4","10","3","8","5","4","1") = "9"
    & skf18("4","10","3","8","5","5","1") = "9"
    & skf18("4","10","3","8","5","6","1") = "9"
    & skf18("4","10","3","8","5","7","1") = "9"
    & skf18("4","10","3","8","5","8","1") = "9"
    & skf18("4","10","3","8","5","9","1") = "9"
    & skf18("4","10","3","8","5","10","1") = "9"
    & skf18("4","10","3","8","6","1","1") = "9"
    & skf18("4","10","3","8","6","2","1") = "9"
    & skf18("4","10","3","8","6","3","1") = "9"
    & skf18("4","10","3","8","6","4","1") = "9"
    & skf18("4","10","3","8","6","5","1") = "9"
    & skf18("4","10","3","8","6","6","1") = "9"
    & skf18("4","10","3","8","6","7","1") = "9"
    & skf18("4","10","3","8","6","8","1") = "9"
    & skf18("4","10","3","8","6","9","1") = "9"
    & skf18("4","10","3","8","6","10","1") = "9"
    & skf18("4","10","3","8","7","1","1") = "9"
    & skf18("4","10","3","8","7","2","1") = "9"
    & skf18("4","10","3","8","7","3","1") = "9"
    & skf18("4","10","3","8","7","4","1") = "9"
    & skf18("4","10","3","8","7","5","1") = "9"
    & skf18("4","10","3","8","7","6","1") = "9"
    & skf18("4","10","3","8","7","7","1") = "9"
    & skf18("4","10","3","8","7","8","1") = "9"
    & skf18("4","10","3","8","7","9","1") = "9"
    & skf18("4","10","3","8","7","10","1") = "9"
    & skf18("4","10","3","8","8","1","1") = "9"
    & skf18("4","10","3","8","8","2","1") = "9"
    & skf18("4","10","3","8","8","3","1") = "9"
    & skf18("4","10","3","8","8","4","1") = "9"
    & skf18("4","10","3","8","8","5","1") = "9"
    & skf18("4","10","3","8","8","6","1") = "9"
    & skf18("4","10","3","8","8","7","1") = "9"
    & skf18("4","10","3","8","8","8","1") = "9"
    & skf18("4","10","3","8","8","9","1") = "9"
    & skf18("4","10","3","8","8","10","1") = "9"
    & skf18("4","10","3","8","9","1","1") = "9"
    & skf18("4","10","3","8","9","2","1") = "9"
    & skf18("4","10","3","8","9","3","1") = "9"
    & skf18("4","10","3","8","9","4","1") = "9"
    & skf18("4","10","3","8","9","5","1") = "9"
    & skf18("4","10","3","8","9","6","1") = "9"
    & skf18("4","10","3","8","9","7","1") = "9"
    & skf18("4","10","3","8","9","8","1") = "9"
    & skf18("4","10","3","8","9","9","1") = "9"
    & skf18("4","10","3","8","9","10","1") = "9"
    & skf18("4","10","3","8","10","1","1") = "9"
    & skf18("4","10","3","8","10","2","1") = "9"
    & skf18("4","10","3","8","10","3","1") = "9"
    & skf18("4","10","3","8","10","4","1") = "9"
    & skf18("4","10","3","8","10","5","1") = "9"
    & skf18("4","10","3","8","10","6","1") = "9"
    & skf18("4","10","3","8","10","7","1") = "9"
    & skf18("4","10","3","8","10","8","1") = "9"
    & skf18("4","10","3","8","10","9","1") = "9"
    & skf18("4","10","3","8","10","10","1") = "9"
    & skf18("4","10","3","9","1","1","1") = "9"
    & skf18("4","10","3","9","1","2","1") = "9"
    & skf18("4","10","3","9","1","3","1") = "9"
    & skf18("4","10","3","9","1","4","1") = "9"
    & skf18("4","10","3","9","1","5","1") = "9"
    & skf18("4","10","3","9","1","6","1") = "9"
    & skf18("4","10","3","9","1","7","1") = "9"
    & skf18("4","10","3","9","1","8","1") = "9"
    & skf18("4","10","3","9","1","9","1") = "9"
    & skf18("4","10","3","9","1","10","1") = "9"
    & skf18("4","10","3","9","2","1","1") = "9"
    & skf18("4","10","3","9","2","2","1") = "9"
    & skf18("4","10","3","9","2","3","1") = "9"
    & skf18("4","10","3","9","2","4","1") = "9"
    & skf18("4","10","3","9","2","5","1") = "9"
    & skf18("4","10","3","9","2","6","1") = "9"
    & skf18("4","10","3","9","2","7","1") = "9"
    & skf18("4","10","3","9","2","8","1") = "9"
    & skf18("4","10","3","9","2","9","1") = "9"
    & skf18("4","10","3","9","2","10","1") = "9"
    & skf18("4","10","3","9","3","1","1") = "9"
    & skf18("4","10","3","9","3","2","1") = "9"
    & skf18("4","10","3","9","3","3","1") = "9"
    & skf18("4","10","3","9","3","4","1") = "9"
    & skf18("4","10","3","9","3","5","1") = "9"
    & skf18("4","10","3","9","3","6","1") = "9"
    & skf18("4","10","3","9","3","7","1") = "9"
    & skf18("4","10","3","9","3","8","1") = "9"
    & skf18("4","10","3","9","3","9","1") = "9"
    & skf18("4","10","3","9","3","10","1") = "9"
    & skf18("4","10","3","9","4","1","1") = "9"
    & skf18("4","10","3","9","4","2","1") = "9"
    & skf18("4","10","3","9","4","3","1") = "9"
    & skf18("4","10","3","9","4","4","1") = "9"
    & skf18("4","10","3","9","4","5","1") = "9"
    & skf18("4","10","3","9","4","6","1") = "9"
    & skf18("4","10","3","9","4","7","1") = "9"
    & skf18("4","10","3","9","4","8","1") = "9"
    & skf18("4","10","3","9","4","9","1") = "9"
    & skf18("4","10","3","9","4","10","1") = "9"
    & skf18("4","10","3","9","5","1","1") = "9"
    & skf18("4","10","3","9","5","2","1") = "9"
    & skf18("4","10","3","9","5","3","1") = "9"
    & skf18("4","10","3","9","5","4","1") = "9"
    & skf18("4","10","3","9","5","5","1") = "9"
    & skf18("4","10","3","9","5","6","1") = "9"
    & skf18("4","10","3","9","5","7","1") = "9"
    & skf18("4","10","3","9","5","8","1") = "9"
    & skf18("4","10","3","9","5","9","1") = "9"
    & skf18("4","10","3","9","5","10","1") = "9"
    & skf18("4","10","3","9","6","1","1") = "9"
    & skf18("4","10","3","9","6","2","1") = "9"
    & skf18("4","10","3","9","6","3","1") = "9"
    & skf18("4","10","3","9","6","4","1") = "9"
    & skf18("4","10","3","9","6","5","1") = "9"
    & skf18("4","10","3","9","6","6","1") = "9"
    & skf18("4","10","3","9","6","7","1") = "9"
    & skf18("4","10","3","9","6","8","1") = "9"
    & skf18("4","10","3","9","6","9","1") = "9"
    & skf18("4","10","3","9","6","10","1") = "9"
    & skf18("4","10","3","9","7","1","1") = "9"
    & skf18("4","10","3","9","7","2","1") = "9"
    & skf18("4","10","3","9","7","3","1") = "9"
    & skf18("4","10","3","9","7","4","1") = "9"
    & skf18("4","10","3","9","7","5","1") = "9"
    & skf18("4","10","3","9","7","6","1") = "9"
    & skf18("4","10","3","9","7","7","1") = "9"
    & skf18("4","10","3","9","7","8","1") = "9"
    & skf18("4","10","3","9","7","9","1") = "9"
    & skf18("4","10","3","9","7","10","1") = "9"
    & skf18("4","10","3","9","8","1","1") = "9"
    & skf18("4","10","3","9","8","2","1") = "9"
    & skf18("4","10","3","9","8","3","1") = "9"
    & skf18("4","10","3","9","8","4","1") = "9"
    & skf18("4","10","3","9","8","5","1") = "9"
    & skf18("4","10","3","9","8","6","1") = "9"
    & skf18("4","10","3","9","8","7","1") = "9"
    & skf18("4","10","3","9","8","8","1") = "9"
    & skf18("4","10","3","9","8","9","1") = "9"
    & skf18("4","10","3","9","8","10","1") = "9"
    & skf18("4","10","3","9","9","1","1") = "9"
    & skf18("4","10","3","9","9","2","1") = "9"
    & skf18("4","10","3","9","9","3","1") = "9"
    & skf18("4","10","3","9","9","4","1") = "9"
    & skf18("4","10","3","9","9","5","1") = "9"
    & skf18("4","10","3","9","9","6","1") = "9"
    & skf18("4","10","3","9","9","7","1") = "9"
    & skf18("4","10","3","9","9","8","1") = "9"
    & skf18("4","10","3","9","9","9","1") = "9"
    & skf18("4","10","3","9","9","10","1") = "9"
    & skf18("4","10","3","9","10","1","1") = "9"
    & skf18("4","10","3","9","10","2","1") = "9"
    & skf18("4","10","3","9","10","3","1") = "9"
    & skf18("4","10","3","9","10","4","1") = "9"
    & skf18("4","10","3","9","10","5","1") = "9"
    & skf18("4","10","3","9","10","6","1") = "9"
    & skf18("4","10","3","9","10","7","1") = "9"
    & skf18("4","10","3","9","10","8","1") = "9"
    & skf18("4","10","3","9","10","9","1") = "9"
    & skf18("4","10","3","9","10","10","1") = "9"
    & skf18("4","10","3","10","1","1","1") = "9"
    & skf18("4","10","3","10","1","2","1") = "9"
    & skf18("4","10","3","10","1","3","1") = "9"
    & skf18("4","10","3","10","1","4","1") = "9"
    & skf18("4","10","3","10","1","5","1") = "9"
    & skf18("4","10","3","10","1","6","1") = "9"
    & skf18("4","10","3","10","1","7","1") = "9"
    & skf18("4","10","3","10","1","8","1") = "9"
    & skf18("4","10","3","10","1","9","1") = "9"
    & skf18("4","10","3","10","1","10","1") = "9"
    & skf18("4","10","3","10","2","1","1") = "9"
    & skf18("4","10","3","10","2","2","1") = "9"
    & skf18("4","10","3","10","2","3","1") = "9"
    & skf18("4","10","3","10","2","4","1") = "9"
    & skf18("4","10","3","10","2","5","1") = "9"
    & skf18("4","10","3","10","2","6","1") = "9"
    & skf18("4","10","3","10","2","7","1") = "9"
    & skf18("4","10","3","10","2","8","1") = "9"
    & skf18("4","10","3","10","2","9","1") = "9"
    & skf18("4","10","3","10","2","10","1") = "9"
    & skf18("4","10","3","10","3","1","1") = "9"
    & skf18("4","10","3","10","3","2","1") = "9"
    & skf18("4","10","3","10","3","3","1") = "9"
    & skf18("4","10","3","10","3","4","1") = "9"
    & skf18("4","10","3","10","3","5","1") = "9"
    & skf18("4","10","3","10","3","6","1") = "9"
    & skf18("4","10","3","10","3","7","1") = "9"
    & skf18("4","10","3","10","3","8","1") = "9"
    & skf18("4","10","3","10","3","9","1") = "9"
    & skf18("4","10","3","10","3","10","1") = "9"
    & skf18("4","10","3","10","4","1","1") = "9"
    & skf18("4","10","3","10","4","2","1") = "9"
    & skf18("4","10","3","10","4","3","1") = "9"
    & skf18("4","10","3","10","4","4","1") = "9"
    & skf18("4","10","3","10","4","5","1") = "9"
    & skf18("4","10","3","10","4","6","1") = "9"
    & skf18("4","10","3","10","4","7","1") = "9"
    & skf18("4","10","3","10","4","8","1") = "9"
    & skf18("4","10","3","10","4","9","1") = "9"
    & skf18("4","10","3","10","4","10","1") = "9"
    & skf18("4","10","3","10","5","1","1") = "9"
    & skf18("4","10","3","10","5","2","1") = "9"
    & skf18("4","10","3","10","5","3","1") = "9"
    & skf18("4","10","3","10","5","4","1") = "9"
    & skf18("4","10","3","10","5","5","1") = "9"
    & skf18("4","10","3","10","5","6","1") = "9"
    & skf18("4","10","3","10","5","7","1") = "9"
    & skf18("4","10","3","10","5","8","1") = "9"
    & skf18("4","10","3","10","5","9","1") = "9"
    & skf18("4","10","3","10","5","10","1") = "9"
    & skf18("4","10","3","10","6","1","1") = "9"
    & skf18("4","10","3","10","6","2","1") = "9"
    & skf18("4","10","3","10","6","3","1") = "9"
    & skf18("4","10","3","10","6","4","1") = "9"
    & skf18("4","10","3","10","6","5","1") = "9"
    & skf18("4","10","3","10","6","6","1") = "9"
    & skf18("4","10","3","10","6","7","1") = "9"
    & skf18("4","10","3","10","6","8","1") = "9"
    & skf18("4","10","3","10","6","9","1") = "9"
    & skf18("4","10","3","10","6","10","1") = "9"
    & skf18("4","10","3","10","7","1","1") = "9"
    & skf18("4","10","3","10","7","2","1") = "9"
    & skf18("4","10","3","10","7","3","1") = "9"
    & skf18("4","10","3","10","7","4","1") = "9"
    & skf18("4","10","3","10","7","5","1") = "9"
    & skf18("4","10","3","10","7","6","1") = "9"
    & skf18("4","10","3","10","7","7","1") = "9"
    & skf18("4","10","3","10","7","8","1") = "9"
    & skf18("4","10","3","10","7","9","1") = "9"
    & skf18("4","10","3","10","7","10","1") = "9"
    & skf18("4","10","3","10","8","1","1") = "9"
    & skf18("4","10","3","10","8","2","1") = "9"
    & skf18("4","10","3","10","8","3","1") = "9"
    & skf18("4","10","3","10","8","4","1") = "9"
    & skf18("4","10","3","10","8","5","1") = "9"
    & skf18("4","10","3","10","8","6","1") = "9"
    & skf18("4","10","3","10","8","7","1") = "9"
    & skf18("4","10","3","10","8","8","1") = "9"
    & skf18("4","10","3","10","8","9","1") = "9"
    & skf18("4","10","3","10","8","10","1") = "9"
    & skf18("4","10","3","10","9","1","1") = "9"
    & skf18("4","10","3","10","9","2","1") = "9"
    & skf18("4","10","3","10","9","3","1") = "9"
    & skf18("4","10","3","10","9","4","1") = "9"
    & skf18("4","10","3","10","9","5","1") = "9"
    & skf18("4","10","3","10","9","6","1") = "9"
    & skf18("4","10","3","10","9","7","1") = "9"
    & skf18("4","10","3","10","9","8","1") = "9"
    & skf18("4","10","3","10","9","9","1") = "9"
    & skf18("4","10","3","10","9","10","1") = "9"
    & skf18("4","10","3","10","10","1","1") = "9"
    & skf18("4","10","3","10","10","2","1") = "9"
    & skf18("4","10","3","10","10","3","1") = "9"
    & skf18("4","10","3","10","10","4","1") = "9"
    & skf18("4","10","3","10","10","5","1") = "9"
    & skf18("4","10","3","10","10","6","1") = "9"
    & skf18("4","10","3","10","10","7","1") = "9"
    & skf18("4","10","3","10","10","8","1") = "9"
    & skf18("4","10","3","10","10","9","1") = "9"
    & skf18("4","10","3","10","10","10","1") = "9"
    & skf18("4","10","4","1","1","1","1") = "9"
    & skf18("4","10","4","1","1","2","1") = "9"
    & skf18("4","10","4","1","1","3","1") = "9"
    & skf18("4","10","4","1","1","4","1") = "9"
    & skf18("4","10","4","1","1","5","1") = "9"
    & skf18("4","10","4","1","1","6","1") = "9"
    & skf18("4","10","4","1","1","7","1") = "9"
    & skf18("4","10","4","1","1","8","1") = "9"
    & skf18("4","10","4","1","1","9","1") = "9"
    & skf18("4","10","4","1","1","10","1") = "9"
    & skf18("4","10","4","1","2","1","1") = "9"
    & skf18("4","10","4","1","2","2","1") = "9"
    & skf18("4","10","4","1","2","3","1") = "9"
    & skf18("4","10","4","1","2","4","1") = "9"
    & skf18("4","10","4","1","2","5","1") = "9"
    & skf18("4","10","4","1","2","6","1") = "9"
    & skf18("4","10","4","1","2","7","1") = "9"
    & skf18("4","10","4","1","2","8","1") = "9"
    & skf18("4","10","4","1","2","9","1") = "9"
    & skf18("4","10","4","1","2","10","1") = "9"
    & skf18("4","10","4","1","3","1","1") = "9"
    & skf18("4","10","4","1","3","2","1") = "9"
    & skf18("4","10","4","1","3","3","1") = "9"
    & skf18("4","10","4","1","3","4","1") = "9"
    & skf18("4","10","4","1","3","5","1") = "9"
    & skf18("4","10","4","1","3","6","1") = "9"
    & skf18("4","10","4","1","3","7","1") = "9"
    & skf18("4","10","4","1","3","8","1") = "9"
    & skf18("4","10","4","1","3","9","1") = "9"
    & skf18("4","10","4","1","3","10","1") = "9"
    & skf18("4","10","4","1","4","1","1") = "9"
    & skf18("4","10","4","1","4","2","1") = "9"
    & skf18("4","10","4","1","4","3","1") = "9"
    & skf18("4","10","4","1","4","4","1") = "9"
    & skf18("4","10","4","1","4","5","1") = "9"
    & skf18("4","10","4","1","4","6","1") = "9"
    & skf18("4","10","4","1","4","7","1") = "9"
    & skf18("4","10","4","1","4","8","1") = "9"
    & skf18("4","10","4","1","4","9","1") = "9"
    & skf18("4","10","4","1","4","10","1") = "9"
    & skf18("4","10","4","1","5","1","1") = "9"
    & skf18("4","10","4","1","5","2","1") = "9"
    & skf18("4","10","4","1","5","3","1") = "9"
    & skf18("4","10","4","1","5","4","1") = "9"
    & skf18("4","10","4","1","5","5","1") = "9"
    & skf18("4","10","4","1","5","6","1") = "9"
    & skf18("4","10","4","1","5","7","1") = "9"
    & skf18("4","10","4","1","5","8","1") = "9"
    & skf18("4","10","4","1","5","9","1") = "9"
    & skf18("4","10","4","1","5","10","1") = "9"
    & skf18("4","10","4","1","6","1","1") = "9"
    & skf18("4","10","4","1","6","2","1") = "9"
    & skf18("4","10","4","1","6","3","1") = "9"
    & skf18("4","10","4","1","6","4","1") = "9"
    & skf18("4","10","4","1","6","5","1") = "9"
    & skf18("4","10","4","1","6","6","1") = "9"
    & skf18("4","10","4","1","6","7","1") = "9"
    & skf18("4","10","4","1","6","8","1") = "9"
    & skf18("4","10","4","1","6","9","1") = "9"
    & skf18("4","10","4","1","6","10","1") = "9"
    & skf18("4","10","4","1","7","1","1") = "9"
    & skf18("4","10","4","1","7","2","1") = "9"
    & skf18("4","10","4","1","7","3","1") = "9"
    & skf18("4","10","4","1","7","4","1") = "9"
    & skf18("4","10","4","1","7","5","1") = "9"
    & skf18("4","10","4","1","7","6","1") = "9"
    & skf18("4","10","4","1","7","7","1") = "9"
    & skf18("4","10","4","1","7","8","1") = "9"
    & skf18("4","10","4","1","7","9","1") = "9"
    & skf18("4","10","4","1","7","10","1") = "9"
    & skf18("4","10","4","1","8","1","1") = "9"
    & skf18("4","10","4","1","8","2","1") = "9"
    & skf18("4","10","4","1","8","3","1") = "9"
    & skf18("4","10","4","1","8","4","1") = "9"
    & skf18("4","10","4","1","8","5","1") = "9"
    & skf18("4","10","4","1","8","6","1") = "9"
    & skf18("4","10","4","1","8","7","1") = "9"
    & skf18("4","10","4","1","8","8","1") = "9"
    & skf18("4","10","4","1","8","9","1") = "9"
    & skf18("4","10","4","1","8","10","1") = "9"
    & skf18("4","10","4","1","9","1","1") = "9"
    & skf18("4","10","4","1","9","2","1") = "9"
    & skf18("4","10","4","1","9","3","1") = "9"
    & skf18("4","10","4","1","9","4","1") = "9"
    & skf18("4","10","4","1","9","5","1") = "9"
    & skf18("4","10","4","1","9","6","1") = "9"
    & skf18("4","10","4","1","9","7","1") = "9"
    & skf18("4","10","4","1","9","8","1") = "9"
    & skf18("4","10","4","1","9","9","1") = "9"
    & skf18("4","10","4","1","9","10","1") = "9"
    & skf18("4","10","4","1","10","1","1") = "9"
    & skf18("4","10","4","1","10","2","1") = "9"
    & skf18("4","10","4","1","10","3","1") = "9"
    & skf18("4","10","4","1","10","4","1") = "9"
    & skf18("4","10","4","1","10","5","1") = "9"
    & skf18("4","10","4","1","10","6","1") = "9"
    & skf18("4","10","4","1","10","7","1") = "9"
    & skf18("4","10","4","1","10","8","1") = "9"
    & skf18("4","10","4","1","10","9","1") = "9"
    & skf18("4","10","4","1","10","10","1") = "9"
    & skf18("4","10","4","2","1","1","1") = "9"
    & skf18("4","10","4","2","1","2","1") = "9"
    & skf18("4","10","4","2","1","3","1") = "9"
    & skf18("4","10","4","2","1","4","1") = "9"
    & skf18("4","10","4","2","1","5","1") = "9"
    & skf18("4","10","4","2","1","6","1") = "9"
    & skf18("4","10","4","2","1","7","1") = "9"
    & skf18("4","10","4","2","1","8","1") = "9"
    & skf18("4","10","4","2","1","9","1") = "9"
    & skf18("4","10","4","2","1","10","1") = "9"
    & skf18("4","10","4","2","2","1","1") = "9"
    & skf18("4","10","4","2","2","2","1") = "9"
    & skf18("4","10","4","2","2","3","1") = "9"
    & skf18("4","10","4","2","2","4","1") = "9"
    & skf18("4","10","4","2","2","5","1") = "9"
    & skf18("4","10","4","2","2","6","1") = "9"
    & skf18("4","10","4","2","2","7","1") = "9"
    & skf18("4","10","4","2","2","8","1") = "9"
    & skf18("4","10","4","2","2","9","1") = "9"
    & skf18("4","10","4","2","2","10","1") = "9"
    & skf18("4","10","4","2","3","1","1") = "9"
    & skf18("4","10","4","2","3","2","1") = "9"
    & skf18("4","10","4","2","3","3","1") = "9"
    & skf18("4","10","4","2","3","4","1") = "9"
    & skf18("4","10","4","2","3","5","1") = "9"
    & skf18("4","10","4","2","3","6","1") = "9"
    & skf18("4","10","4","2","3","7","1") = "9"
    & skf18("4","10","4","2","3","8","1") = "9"
    & skf18("4","10","4","2","3","9","1") = "9"
    & skf18("4","10","4","2","3","10","1") = "9"
    & skf18("4","10","4","2","4","1","1") = "9"
    & skf18("4","10","4","2","4","2","1") = "9"
    & skf18("4","10","4","2","4","3","1") = "9"
    & skf18("4","10","4","2","4","4","1") = "9"
    & skf18("4","10","4","2","4","5","1") = "9"
    & skf18("4","10","4","2","4","6","1") = "9"
    & skf18("4","10","4","2","4","7","1") = "9"
    & skf18("4","10","4","2","4","8","1") = "9"
    & skf18("4","10","4","2","4","9","1") = "9"
    & skf18("4","10","4","2","4","10","1") = "9"
    & skf18("4","10","4","2","5","1","1") = "9"
    & skf18("4","10","4","2","5","2","1") = "9"
    & skf18("4","10","4","2","5","3","1") = "9"
    & skf18("4","10","4","2","5","4","1") = "9"
    & skf18("4","10","4","2","5","5","1") = "9"
    & skf18("4","10","4","2","5","6","1") = "9"
    & skf18("4","10","4","2","5","7","1") = "9"
    & skf18("4","10","4","2","5","8","1") = "9"
    & skf18("4","10","4","2","5","9","1") = "9"
    & skf18("4","10","4","2","5","10","1") = "9"
    & skf18("4","10","4","2","6","1","1") = "9"
    & skf18("4","10","4","2","6","2","1") = "9"
    & skf18("4","10","4","2","6","3","1") = "9"
    & skf18("4","10","4","2","6","4","1") = "9"
    & skf18("4","10","4","2","6","5","1") = "9"
    & skf18("4","10","4","2","6","6","1") = "9"
    & skf18("4","10","4","2","6","7","1") = "9"
    & skf18("4","10","4","2","6","8","1") = "9"
    & skf18("4","10","4","2","6","9","1") = "9"
    & skf18("4","10","4","2","6","10","1") = "9"
    & skf18("4","10","4","2","7","1","1") = "9"
    & skf18("4","10","4","2","7","2","1") = "9"
    & skf18("4","10","4","2","7","3","1") = "9"
    & skf18("4","10","4","2","7","4","1") = "9"
    & skf18("4","10","4","2","7","5","1") = "9"
    & skf18("4","10","4","2","7","6","1") = "9"
    & skf18("4","10","4","2","7","7","1") = "9"
    & skf18("4","10","4","2","7","8","1") = "9"
    & skf18("4","10","4","2","7","9","1") = "9"
    & skf18("4","10","4","2","7","10","1") = "9"
    & skf18("4","10","4","2","8","1","1") = "9"
    & skf18("4","10","4","2","8","2","1") = "9"
    & skf18("4","10","4","2","8","3","1") = "9"
    & skf18("4","10","4","2","8","4","1") = "9"
    & skf18("4","10","4","2","8","5","1") = "9"
    & skf18("4","10","4","2","8","6","1") = "9"
    & skf18("4","10","4","2","8","7","1") = "9"
    & skf18("4","10","4","2","8","8","1") = "9"
    & skf18("4","10","4","2","8","9","1") = "9"
    & skf18("4","10","4","2","8","10","1") = "9"
    & skf18("4","10","4","2","9","1","1") = "9"
    & skf18("4","10","4","2","9","2","1") = "9"
    & skf18("4","10","4","2","9","3","1") = "9"
    & skf18("4","10","4","2","9","4","1") = "9"
    & skf18("4","10","4","2","9","5","1") = "9"
    & skf18("4","10","4","2","9","6","1") = "9"
    & skf18("4","10","4","2","9","7","1") = "9"
    & skf18("4","10","4","2","9","8","1") = "9"
    & skf18("4","10","4","2","9","9","1") = "9"
    & skf18("4","10","4","2","9","10","1") = "9"
    & skf18("4","10","4","2","10","1","1") = "9"
    & skf18("4","10","4","2","10","2","1") = "9"
    & skf18("4","10","4","2","10","3","1") = "9"
    & skf18("4","10","4","2","10","4","1") = "9"
    & skf18("4","10","4","2","10","5","1") = "9"
    & skf18("4","10","4","2","10","6","1") = "9"
    & skf18("4","10","4","2","10","7","1") = "9"
    & skf18("4","10","4","2","10","8","1") = "9"
    & skf18("4","10","4","2","10","9","1") = "9"
    & skf18("4","10","4","2","10","10","1") = "9"
    & skf18("4","10","4","3","1","1","1") = "9"
    & skf18("4","10","4","3","1","2","1") = "9"
    & skf18("4","10","4","3","1","3","1") = "9"
    & skf18("4","10","4","3","1","4","1") = "9"
    & skf18("4","10","4","3","1","5","1") = "9"
    & skf18("4","10","4","3","1","6","1") = "9"
    & skf18("4","10","4","3","1","7","1") = "9"
    & skf18("4","10","4","3","1","8","1") = "9"
    & skf18("4","10","4","3","1","9","1") = "9"
    & skf18("4","10","4","3","1","10","1") = "9"
    & skf18("4","10","4","3","2","1","1") = "9"
    & skf18("4","10","4","3","2","2","1") = "9"
    & skf18("4","10","4","3","2","3","1") = "9"
    & skf18("4","10","4","3","2","4","1") = "9"
    & skf18("4","10","4","3","2","5","1") = "9"
    & skf18("4","10","4","3","2","6","1") = "9"
    & skf18("4","10","4","3","2","7","1") = "9"
    & skf18("4","10","4","3","2","8","1") = "9"
    & skf18("4","10","4","3","2","9","1") = "9"
    & skf18("4","10","4","3","2","10","1") = "9"
    & skf18("4","10","4","3","3","1","1") = "9"
    & skf18("4","10","4","3","3","2","1") = "9"
    & skf18("4","10","4","3","3","3","1") = "9"
    & skf18("4","10","4","3","3","4","1") = "9"
    & skf18("4","10","4","3","3","5","1") = "9"
    & skf18("4","10","4","3","3","6","1") = "9"
    & skf18("4","10","4","3","3","7","1") = "9"
    & skf18("4","10","4","3","3","8","1") = "9"
    & skf18("4","10","4","3","3","9","1") = "9"
    & skf18("4","10","4","3","3","10","1") = "9"
    & skf18("4","10","4","3","4","1","1") = "9"
    & skf18("4","10","4","3","4","2","1") = "9"
    & skf18("4","10","4","3","4","3","1") = "9"
    & skf18("4","10","4","3","4","4","1") = "9"
    & skf18("4","10","4","3","4","5","1") = "9"
    & skf18("4","10","4","3","4","6","1") = "9"
    & skf18("4","10","4","3","4","7","1") = "9"
    & skf18("4","10","4","3","4","8","1") = "9"
    & skf18("4","10","4","3","4","9","1") = "9"
    & skf18("4","10","4","3","4","10","1") = "9"
    & skf18("4","10","4","3","5","1","1") = "9"
    & skf18("4","10","4","3","5","2","1") = "9"
    & skf18("4","10","4","3","5","3","1") = "9"
    & skf18("4","10","4","3","5","4","1") = "9"
    & skf18("4","10","4","3","5","5","1") = "9"
    & skf18("4","10","4","3","5","6","1") = "9"
    & skf18("4","10","4","3","5","7","1") = "9"
    & skf18("4","10","4","3","5","8","1") = "9"
    & skf18("4","10","4","3","5","9","1") = "9"
    & skf18("4","10","4","3","5","10","1") = "9"
    & skf18("4","10","4","3","6","1","1") = "9"
    & skf18("4","10","4","3","6","2","1") = "9"
    & skf18("4","10","4","3","6","3","1") = "9"
    & skf18("4","10","4","3","6","4","1") = "9"
    & skf18("4","10","4","3","6","5","1") = "9"
    & skf18("4","10","4","3","6","6","1") = "9"
    & skf18("4","10","4","3","6","7","1") = "9"
    & skf18("4","10","4","3","6","8","1") = "9"
    & skf18("4","10","4","3","6","9","1") = "9"
    & skf18("4","10","4","3","6","10","1") = "9"
    & skf18("4","10","4","3","7","1","1") = "9"
    & skf18("4","10","4","3","7","2","1") = "9"
    & skf18("4","10","4","3","7","3","1") = "9"
    & skf18("4","10","4","3","7","4","1") = "9"
    & skf18("4","10","4","3","7","5","1") = "9"
    & skf18("4","10","4","3","7","6","1") = "9"
    & skf18("4","10","4","3","7","7","1") = "9"
    & skf18("4","10","4","3","7","8","1") = "9"
    & skf18("4","10","4","3","7","9","1") = "9"
    & skf18("4","10","4","3","7","10","1") = "9"
    & skf18("4","10","4","3","8","1","1") = "9"
    & skf18("4","10","4","3","8","2","1") = "9"
    & skf18("4","10","4","3","8","3","1") = "9"
    & skf18("4","10","4","3","8","4","1") = "9"
    & skf18("4","10","4","3","8","5","1") = "9"
    & skf18("4","10","4","3","8","6","1") = "9"
    & skf18("4","10","4","3","8","7","1") = "9"
    & skf18("4","10","4","3","8","8","1") = "9"
    & skf18("4","10","4","3","8","9","1") = "9"
    & skf18("4","10","4","3","8","10","1") = "9"
    & skf18("4","10","4","3","9","1","1") = "9"
    & skf18("4","10","4","3","9","2","1") = "9"
    & skf18("4","10","4","3","9","3","1") = "9"
    & skf18("4","10","4","3","9","4","1") = "9"
    & skf18("4","10","4","3","9","5","1") = "9"
    & skf18("4","10","4","3","9","6","1") = "9"
    & skf18("4","10","4","3","9","7","1") = "9"
    & skf18("4","10","4","3","9","8","1") = "9"
    & skf18("4","10","4","3","9","9","1") = "9"
    & skf18("4","10","4","3","9","10","1") = "9"
    & skf18("4","10","4","3","10","1","1") = "9"
    & skf18("4","10","4","3","10","2","1") = "9"
    & skf18("4","10","4","3","10","3","1") = "9"
    & skf18("4","10","4","3","10","4","1") = "9"
    & skf18("4","10","4","3","10","5","1") = "9"
    & skf18("4","10","4","3","10","6","1") = "9"
    & skf18("4","10","4","3","10","7","1") = "9"
    & skf18("4","10","4","3","10","8","1") = "9"
    & skf18("4","10","4","3","10","9","1") = "9"
    & skf18("4","10","4","3","10","10","1") = "9"
    & skf18("4","10","4","4","1","1","1") = "9"
    & skf18("4","10","4","4","1","2","1") = "9"
    & skf18("4","10","4","4","1","3","1") = "9"
    & skf18("4","10","4","4","1","4","1") = "9"
    & skf18("4","10","4","4","1","5","1") = "9"
    & skf18("4","10","4","4","1","6","1") = "9"
    & skf18("4","10","4","4","1","7","1") = "9"
    & skf18("4","10","4","4","1","8","1") = "9"
    & skf18("4","10","4","4","1","9","1") = "9"
    & skf18("4","10","4","4","1","10","1") = "9"
    & skf18("4","10","4","4","2","1","1") = "9"
    & skf18("4","10","4","4","2","2","1") = "9"
    & skf18("4","10","4","4","2","3","1") = "9"
    & skf18("4","10","4","4","2","4","1") = "9"
    & skf18("4","10","4","4","2","5","1") = "9"
    & skf18("4","10","4","4","2","6","1") = "9"
    & skf18("4","10","4","4","2","7","1") = "9"
    & skf18("4","10","4","4","2","8","1") = "9"
    & skf18("4","10","4","4","2","9","1") = "9"
    & skf18("4","10","4","4","2","10","1") = "9"
    & skf18("4","10","4","4","3","1","1") = "9"
    & skf18("4","10","4","4","3","2","1") = "9"
    & skf18("4","10","4","4","3","3","1") = "9"
    & skf18("4","10","4","4","3","4","1") = "9"
    & skf18("4","10","4","4","3","5","1") = "9"
    & skf18("4","10","4","4","3","6","1") = "9"
    & skf18("4","10","4","4","3","7","1") = "9"
    & skf18("4","10","4","4","3","8","1") = "9"
    & skf18("4","10","4","4","3","9","1") = "9"
    & skf18("4","10","4","4","3","10","1") = "9"
    & skf18("4","10","4","4","4","1","1") = "9"
    & skf18("4","10","4","4","4","2","1") = "9"
    & skf18("4","10","4","4","4","3","1") = "9"
    & skf18("4","10","4","4","4","4","1") = "9"
    & skf18("4","10","4","4","4","5","1") = "9"
    & skf18("4","10","4","4","4","6","1") = "9"
    & skf18("4","10","4","4","4","7","1") = "9"
    & skf18("4","10","4","4","4","8","1") = "9"
    & skf18("4","10","4","4","4","9","1") = "9"
    & skf18("4","10","4","4","4","10","1") = "9"
    & skf18("4","10","4","4","5","1","1") = "9"
    & skf18("4","10","4","4","5","2","1") = "9"
    & skf18("4","10","4","4","5","3","1") = "9"
    & skf18("4","10","4","4","5","4","1") = "9"
    & skf18("4","10","4","4","5","5","1") = "9"
    & skf18("4","10","4","4","5","6","1") = "9"
    & skf18("4","10","4","4","5","7","1") = "9"
    & skf18("4","10","4","4","5","8","1") = "9"
    & skf18("4","10","4","4","5","9","1") = "9"
    & skf18("4","10","4","4","5","10","1") = "9"
    & skf18("4","10","4","4","6","1","1") = "9"
    & skf18("4","10","4","4","6","2","1") = "9"
    & skf18("4","10","4","4","6","3","1") = "9"
    & skf18("4","10","4","4","6","4","1") = "9"
    & skf18("4","10","4","4","6","5","1") = "9"
    & skf18("4","10","4","4","6","6","1") = "9"
    & skf18("4","10","4","4","6","7","1") = "9"
    & skf18("4","10","4","4","6","8","1") = "9"
    & skf18("4","10","4","4","6","9","1") = "9"
    & skf18("4","10","4","4","6","10","1") = "9"
    & skf18("4","10","4","4","7","1","1") = "9"
    & skf18("4","10","4","4","7","2","1") = "9"
    & skf18("4","10","4","4","7","3","1") = "9"
    & skf18("4","10","4","4","7","4","1") = "9"
    & skf18("4","10","4","4","7","5","1") = "9"
    & skf18("4","10","4","4","7","6","1") = "9"
    & skf18("4","10","4","4","7","7","1") = "9"
    & skf18("4","10","4","4","7","8","1") = "9"
    & skf18("4","10","4","4","7","9","1") = "9"
    & skf18("4","10","4","4","7","10","1") = "9"
    & skf18("4","10","4","4","8","1","1") = "9"
    & skf18("4","10","4","4","8","2","1") = "9"
    & skf18("4","10","4","4","8","3","1") = "9"
    & skf18("4","10","4","4","8","4","1") = "9"
    & skf18("4","10","4","4","8","5","1") = "9"
    & skf18("4","10","4","4","8","6","1") = "9"
    & skf18("4","10","4","4","8","7","1") = "9"
    & skf18("4","10","4","4","8","8","1") = "9"
    & skf18("4","10","4","4","8","9","1") = "9"
    & skf18("4","10","4","4","8","10","1") = "9"
    & skf18("4","10","4","4","9","1","1") = "9"
    & skf18("4","10","4","4","9","2","1") = "9"
    & skf18("4","10","4","4","9","3","1") = "9"
    & skf18("4","10","4","4","9","4","1") = "9"
    & skf18("4","10","4","4","9","5","1") = "9"
    & skf18("4","10","4","4","9","6","1") = "9"
    & skf18("4","10","4","4","9","7","1") = "9"
    & skf18("4","10","4","4","9","8","1") = "9"
    & skf18("4","10","4","4","9","9","1") = "9"
    & skf18("4","10","4","4","9","10","1") = "9"
    & skf18("4","10","4","4","10","1","1") = "9"
    & skf18("4","10","4","4","10","2","1") = "9"
    & skf18("4","10","4","4","10","3","1") = "9"
    & skf18("4","10","4","4","10","4","1") = "9"
    & skf18("4","10","4","4","10","5","1") = "9"
    & skf18("4","10","4","4","10","6","1") = "9"
    & skf18("4","10","4","4","10","7","1") = "9"
    & skf18("4","10","4","4","10","8","1") = "9"
    & skf18("4","10","4","4","10","9","1") = "9"
    & skf18("4","10","4","4","10","10","1") = "9"
    & skf18("4","10","4","5","1","1","1") = "9"
    & skf18("4","10","4","5","1","2","1") = "9"
    & skf18("4","10","4","5","1","3","1") = "9"
    & skf18("4","10","4","5","1","4","1") = "9"
    & skf18("4","10","4","5","1","5","1") = "9"
    & skf18("4","10","4","5","1","6","1") = "9"
    & skf18("4","10","4","5","1","7","1") = "9"
    & skf18("4","10","4","5","1","8","1") = "9"
    & skf18("4","10","4","5","1","9","1") = "9"
    & skf18("4","10","4","5","1","10","1") = "9"
    & skf18("4","10","4","5","2","1","1") = "9"
    & skf18("4","10","4","5","2","2","1") = "9"
    & skf18("4","10","4","5","2","3","1") = "9"
    & skf18("4","10","4","5","2","4","1") = "9"
    & skf18("4","10","4","5","2","5","1") = "9"
    & skf18("4","10","4","5","2","6","1") = "9"
    & skf18("4","10","4","5","2","7","1") = "9"
    & skf18("4","10","4","5","2","8","1") = "9"
    & skf18("4","10","4","5","2","9","1") = "9"
    & skf18("4","10","4","5","2","10","1") = "9"
    & skf18("4","10","4","5","3","1","1") = "9"
    & skf18("4","10","4","5","3","2","1") = "9"
    & skf18("4","10","4","5","3","3","1") = "9"
    & skf18("4","10","4","5","3","4","1") = "9"
    & skf18("4","10","4","5","3","5","1") = "9"
    & skf18("4","10","4","5","3","6","1") = "9"
    & skf18("4","10","4","5","3","7","1") = "9"
    & skf18("4","10","4","5","3","8","1") = "9"
    & skf18("4","10","4","5","3","9","1") = "9"
    & skf18("4","10","4","5","3","10","1") = "9"
    & skf18("4","10","4","5","4","1","1") = "9"
    & skf18("4","10","4","5","4","2","1") = "9"
    & skf18("4","10","4","5","4","3","1") = "9"
    & skf18("4","10","4","5","4","4","1") = "9"
    & skf18("4","10","4","5","4","5","1") = "9"
    & skf18("4","10","4","5","4","6","1") = "9"
    & skf18("4","10","4","5","4","7","1") = "9"
    & skf18("4","10","4","5","4","8","1") = "9"
    & skf18("4","10","4","5","4","9","1") = "9"
    & skf18("4","10","4","5","4","10","1") = "9"
    & skf18("4","10","4","5","5","1","1") = "9"
    & skf18("4","10","4","5","5","2","1") = "9"
    & skf18("4","10","4","5","5","3","1") = "9"
    & skf18("4","10","4","5","5","4","1") = "9"
    & skf18("4","10","4","5","5","5","1") = "9"
    & skf18("4","10","4","5","5","6","1") = "9"
    & skf18("4","10","4","5","5","7","1") = "9"
    & skf18("4","10","4","5","5","8","1") = "9"
    & skf18("4","10","4","5","5","9","1") = "9"
    & skf18("4","10","4","5","5","10","1") = "9"
    & skf18("4","10","4","5","6","1","1") = "9"
    & skf18("4","10","4","5","6","2","1") = "9"
    & skf18("4","10","4","5","6","3","1") = "9"
    & skf18("4","10","4","5","6","4","1") = "9"
    & skf18("4","10","4","5","6","5","1") = "9"
    & skf18("4","10","4","5","6","6","1") = "9"
    & skf18("4","10","4","5","6","7","1") = "9"
    & skf18("4","10","4","5","6","8","1") = "9"
    & skf18("4","10","4","5","6","9","1") = "9"
    & skf18("4","10","4","5","6","10","1") = "9"
    & skf18("4","10","4","5","7","1","1") = "9"
    & skf18("4","10","4","5","7","2","1") = "9"
    & skf18("4","10","4","5","7","3","1") = "9"
    & skf18("4","10","4","5","7","4","1") = "9"
    & skf18("4","10","4","5","7","5","1") = "9"
    & skf18("4","10","4","5","7","6","1") = "9"
    & skf18("4","10","4","5","7","7","1") = "9"
    & skf18("4","10","4","5","7","8","1") = "9"
    & skf18("4","10","4","5","7","9","1") = "9"
    & skf18("4","10","4","5","7","10","1") = "9"
    & skf18("4","10","4","5","8","1","1") = "9"
    & skf18("4","10","4","5","8","2","1") = "9"
    & skf18("4","10","4","5","8","3","1") = "9"
    & skf18("4","10","4","5","8","4","1") = "9"
    & skf18("4","10","4","5","8","5","1") = "9"
    & skf18("4","10","4","5","8","6","1") = "9"
    & skf18("4","10","4","5","8","7","1") = "9"
    & skf18("4","10","4","5","8","8","1") = "9"
    & skf18("4","10","4","5","8","9","1") = "9"
    & skf18("4","10","4","5","8","10","1") = "9"
    & skf18("4","10","4","5","9","1","1") = "9"
    & skf18("4","10","4","5","9","2","1") = "9"
    & skf18("4","10","4","5","9","3","1") = "9"
    & skf18("4","10","4","5","9","4","1") = "9"
    & skf18("4","10","4","5","9","5","1") = "9"
    & skf18("4","10","4","5","9","6","1") = "9"
    & skf18("4","10","4","5","9","7","1") = "9"
    & skf18("4","10","4","5","9","8","1") = "9"
    & skf18("4","10","4","5","9","9","1") = "9"
    & skf18("4","10","4","5","9","10","1") = "9"
    & skf18("4","10","4","5","10","1","1") = "9"
    & skf18("4","10","4","5","10","2","1") = "9"
    & skf18("4","10","4","5","10","3","1") = "9"
    & skf18("4","10","4","5","10","4","1") = "9"
    & skf18("4","10","4","5","10","5","1") = "9"
    & skf18("4","10","4","5","10","6","1") = "9"
    & skf18("4","10","4","5","10","7","1") = "9"
    & skf18("4","10","4","5","10","8","1") = "9"
    & skf18("4","10","4","5","10","9","1") = "9"
    & skf18("4","10","4","5","10","10","1") = "9"
    & skf18("4","10","4","6","1","1","1") = "9"
    & skf18("4","10","4","6","1","2","1") = "9"
    & skf18("4","10","4","6","1","3","1") = "9"
    & skf18("4","10","4","6","1","4","1") = "9"
    & skf18("4","10","4","6","1","5","1") = "9"
    & skf18("4","10","4","6","1","6","1") = "9"
    & skf18("4","10","4","6","1","7","1") = "9"
    & skf18("4","10","4","6","1","8","1") = "9"
    & skf18("4","10","4","6","1","9","1") = "9"
    & skf18("4","10","4","6","1","10","1") = "9"
    & skf18("4","10","4","6","2","1","1") = "9"
    & skf18("4","10","4","6","2","2","1") = "9"
    & skf18("4","10","4","6","2","3","1") = "9"
    & skf18("4","10","4","6","2","4","1") = "9"
    & skf18("4","10","4","6","2","5","1") = "9"
    & skf18("4","10","4","6","2","6","1") = "9"
    & skf18("4","10","4","6","2","7","1") = "9"
    & skf18("4","10","4","6","2","8","1") = "9"
    & skf18("4","10","4","6","2","9","1") = "9"
    & skf18("4","10","4","6","2","10","1") = "9"
    & skf18("4","10","4","6","3","1","1") = "9"
    & skf18("4","10","4","6","3","2","1") = "9"
    & skf18("4","10","4","6","3","3","1") = "9"
    & skf18("4","10","4","6","3","4","1") = "9"
    & skf18("4","10","4","6","3","5","1") = "9"
    & skf18("4","10","4","6","3","6","1") = "9"
    & skf18("4","10","4","6","3","7","1") = "9"
    & skf18("4","10","4","6","3","8","1") = "9"
    & skf18("4","10","4","6","3","9","1") = "9"
    & skf18("4","10","4","6","3","10","1") = "9"
    & skf18("4","10","4","6","4","1","1") = "9"
    & skf18("4","10","4","6","4","2","1") = "9"
    & skf18("4","10","4","6","4","3","1") = "9"
    & skf18("4","10","4","6","4","4","1") = "9"
    & skf18("4","10","4","6","4","5","1") = "9"
    & skf18("4","10","4","6","4","6","1") = "9"
    & skf18("4","10","4","6","4","7","1") = "9"
    & skf18("4","10","4","6","4","8","1") = "9"
    & skf18("4","10","4","6","4","9","1") = "9"
    & skf18("4","10","4","6","4","10","1") = "9"
    & skf18("4","10","4","6","5","1","1") = "9"
    & skf18("4","10","4","6","5","2","1") = "9"
    & skf18("4","10","4","6","5","3","1") = "9"
    & skf18("4","10","4","6","5","4","1") = "9"
    & skf18("4","10","4","6","5","5","1") = "9"
    & skf18("4","10","4","6","5","6","1") = "9"
    & skf18("4","10","4","6","5","7","1") = "9"
    & skf18("4","10","4","6","5","8","1") = "9"
    & skf18("4","10","4","6","5","9","1") = "9"
    & skf18("4","10","4","6","5","10","1") = "9"
    & skf18("4","10","4","6","6","1","1") = "9"
    & skf18("4","10","4","6","6","2","1") = "9"
    & skf18("4","10","4","6","6","3","1") = "9"
    & skf18("4","10","4","6","6","4","1") = "9"
    & skf18("4","10","4","6","6","5","1") = "9"
    & skf18("4","10","4","6","6","6","1") = "9"
    & skf18("4","10","4","6","6","7","1") = "9"
    & skf18("4","10","4","6","6","8","1") = "9"
    & skf18("4","10","4","6","6","9","1") = "9"
    & skf18("4","10","4","6","6","10","1") = "9"
    & skf18("4","10","4","6","7","1","1") = "9"
    & skf18("4","10","4","6","7","2","1") = "9"
    & skf18("4","10","4","6","7","3","1") = "9"
    & skf18("4","10","4","6","7","4","1") = "9"
    & skf18("4","10","4","6","7","5","1") = "9"
    & skf18("4","10","4","6","7","6","1") = "9"
    & skf18("4","10","4","6","7","7","1") = "9"
    & skf18("4","10","4","6","7","8","1") = "9"
    & skf18("4","10","4","6","7","9","1") = "9"
    & skf18("4","10","4","6","7","10","1") = "9"
    & skf18("4","10","4","6","8","1","1") = "9"
    & skf18("4","10","4","6","8","2","1") = "9"
    & skf18("4","10","4","6","8","3","1") = "9"
    & skf18("4","10","4","6","8","4","1") = "9"
    & skf18("4","10","4","6","8","5","1") = "9"
    & skf18("4","10","4","6","8","6","1") = "9"
    & skf18("4","10","4","6","8","7","1") = "9"
    & skf18("4","10","4","6","8","8","1") = "9"
    & skf18("4","10","4","6","8","9","1") = "9"
    & skf18("4","10","4","6","8","10","1") = "9"
    & skf18("4","10","4","6","9","1","1") = "9"
    & skf18("4","10","4","6","9","2","1") = "9"
    & skf18("4","10","4","6","9","3","1") = "9"
    & skf18("4","10","4","6","9","4","1") = "9"
    & skf18("4","10","4","6","9","5","1") = "9"
    & skf18("4","10","4","6","9","6","1") = "9"
    & skf18("4","10","4","6","9","7","1") = "9"
    & skf18("4","10","4","6","9","8","1") = "9"
    & skf18("4","10","4","6","9","9","1") = "9"
    & skf18("4","10","4","6","9","10","1") = "9"
    & skf18("4","10","4","6","10","1","1") = "9"
    & skf18("4","10","4","6","10","2","1") = "9"
    & skf18("4","10","4","6","10","3","1") = "9"
    & skf18("4","10","4","6","10","4","1") = "9"
    & skf18("4","10","4","6","10","5","1") = "9"
    & skf18("4","10","4","6","10","6","1") = "9"
    & skf18("4","10","4","6","10","7","1") = "9"
    & skf18("4","10","4","6","10","8","1") = "9"
    & skf18("4","10","4","6","10","9","1") = "9"
    & skf18("4","10","4","6","10","10","1") = "9"
    & skf18("4","10","4","7","1","1","1") = "9"
    & skf18("4","10","4","7","1","2","1") = "9"
    & skf18("4","10","4","7","1","3","1") = "9"
    & skf18("4","10","4","7","1","4","1") = "9"
    & skf18("4","10","4","7","1","5","1") = "9"
    & skf18("4","10","4","7","1","6","1") = "9"
    & skf18("4","10","4","7","1","7","1") = "9"
    & skf18("4","10","4","7","1","8","1") = "9"
    & skf18("4","10","4","7","1","9","1") = "9"
    & skf18("4","10","4","7","1","10","1") = "9"
    & skf18("4","10","4","7","2","1","1") = "9"
    & skf18("4","10","4","7","2","2","1") = "9"
    & skf18("4","10","4","7","2","3","1") = "9"
    & skf18("4","10","4","7","2","4","1") = "9"
    & skf18("4","10","4","7","2","5","1") = "9"
    & skf18("4","10","4","7","2","6","1") = "9"
    & skf18("4","10","4","7","2","7","1") = "9"
    & skf18("4","10","4","7","2","8","1") = "9"
    & skf18("4","10","4","7","2","9","1") = "9"
    & skf18("4","10","4","7","2","10","1") = "9"
    & skf18("4","10","4","7","3","1","1") = "9"
    & skf18("4","10","4","7","3","2","1") = "9"
    & skf18("4","10","4","7","3","3","1") = "9"
    & skf18("4","10","4","7","3","4","1") = "9"
    & skf18("4","10","4","7","3","5","1") = "9"
    & skf18("4","10","4","7","3","6","1") = "9"
    & skf18("4","10","4","7","3","7","1") = "9"
    & skf18("4","10","4","7","3","8","1") = "9"
    & skf18("4","10","4","7","3","9","1") = "9"
    & skf18("4","10","4","7","3","10","1") = "9"
    & skf18("4","10","4","7","4","1","1") = "9"
    & skf18("4","10","4","7","4","2","1") = "9"
    & skf18("4","10","4","7","4","3","1") = "9"
    & skf18("4","10","4","7","4","4","1") = "9"
    & skf18("4","10","4","7","4","5","1") = "9"
    & skf18("4","10","4","7","4","6","1") = "9"
    & skf18("4","10","4","7","4","7","1") = "9"
    & skf18("4","10","4","7","4","8","1") = "9"
    & skf18("4","10","4","7","4","9","1") = "9"
    & skf18("4","10","4","7","4","10","1") = "9"
    & skf18("4","10","4","7","5","1","1") = "9"
    & skf18("4","10","4","7","5","2","1") = "9"
    & skf18("4","10","4","7","5","3","1") = "9"
    & skf18("4","10","4","7","5","4","1") = "9"
    & skf18("4","10","4","7","5","5","1") = "9"
    & skf18("4","10","4","7","5","6","1") = "9"
    & skf18("4","10","4","7","5","7","1") = "9"
    & skf18("4","10","4","7","5","8","1") = "9"
    & skf18("4","10","4","7","5","9","1") = "9"
    & skf18("4","10","4","7","5","10","1") = "9"
    & skf18("4","10","4","7","6","1","1") = "9"
    & skf18("4","10","4","7","6","2","1") = "9"
    & skf18("4","10","4","7","6","3","1") = "9"
    & skf18("4","10","4","7","6","4","1") = "9"
    & skf18("4","10","4","7","6","5","1") = "9"
    & skf18("4","10","4","7","6","6","1") = "9"
    & skf18("4","10","4","7","6","7","1") = "9"
    & skf18("4","10","4","7","6","8","1") = "9"
    & skf18("4","10","4","7","6","9","1") = "9"
    & skf18("4","10","4","7","6","10","1") = "9"
    & skf18("4","10","4","7","7","1","1") = "9"
    & skf18("4","10","4","7","7","2","1") = "9"
    & skf18("4","10","4","7","7","3","1") = "9"
    & skf18("4","10","4","7","7","4","1") = "9"
    & skf18("4","10","4","7","7","5","1") = "9"
    & skf18("4","10","4","7","7","6","1") = "9"
    & skf18("4","10","4","7","7","7","1") = "9"
    & skf18("4","10","4","7","7","8","1") = "9"
    & skf18("4","10","4","7","7","9","1") = "9"
    & skf18("4","10","4","7","7","10","1") = "9"
    & skf18("4","10","4","7","8","1","1") = "9"
    & skf18("4","10","4","7","8","2","1") = "9"
    & skf18("4","10","4","7","8","3","1") = "9"
    & skf18("4","10","4","7","8","4","1") = "9"
    & skf18("4","10","4","7","8","5","1") = "9"
    & skf18("4","10","4","7","8","6","1") = "9"
    & skf18("4","10","4","7","8","7","1") = "9"
    & skf18("4","10","4","7","8","8","1") = "9"
    & skf18("4","10","4","7","8","9","1") = "9"
    & skf18("4","10","4","7","8","10","1") = "9"
    & skf18("4","10","4","7","9","1","1") = "9"
    & skf18("4","10","4","7","9","2","1") = "9"
    & skf18("4","10","4","7","9","3","1") = "9"
    & skf18("4","10","4","7","9","4","1") = "9"
    & skf18("4","10","4","7","9","5","1") = "9"
    & skf18("4","10","4","7","9","6","1") = "9"
    & skf18("4","10","4","7","9","7","1") = "9"
    & skf18("4","10","4","7","9","8","1") = "9"
    & skf18("4","10","4","7","9","9","1") = "9"
    & skf18("4","10","4","7","9","10","1") = "9"
    & skf18("4","10","4","7","10","1","1") = "9"
    & skf18("4","10","4","7","10","2","1") = "9"
    & skf18("4","10","4","7","10","3","1") = "9"
    & skf18("4","10","4","7","10","4","1") = "9"
    & skf18("4","10","4","7","10","5","1") = "9"
    & skf18("4","10","4","7","10","6","1") = "9"
    & skf18("4","10","4","7","10","7","1") = "9"
    & skf18("4","10","4","7","10","8","1") = "9"
    & skf18("4","10","4","7","10","9","1") = "9"
    & skf18("4","10","4","7","10","10","1") = "9"
    & skf18("4","10","4","8","1","1","1") = "9"
    & skf18("4","10","4","8","1","2","1") = "9"
    & skf18("4","10","4","8","1","3","1") = "9"
    & skf18("4","10","4","8","1","4","1") = "9"
    & skf18("4","10","4","8","1","5","1") = "9"
    & skf18("4","10","4","8","1","6","1") = "9"
    & skf18("4","10","4","8","1","7","1") = "9"
    & skf18("4","10","4","8","1","8","1") = "9"
    & skf18("4","10","4","8","1","9","1") = "9"
    & skf18("4","10","4","8","1","10","1") = "9"
    & skf18("4","10","4","8","2","1","1") = "9"
    & skf18("4","10","4","8","2","2","1") = "9"
    & skf18("4","10","4","8","2","3","1") = "9"
    & skf18("4","10","4","8","2","4","1") = "9"
    & skf18("4","10","4","8","2","5","1") = "9"
    & skf18("4","10","4","8","2","6","1") = "9"
    & skf18("4","10","4","8","2","7","1") = "9"
    & skf18("4","10","4","8","2","8","1") = "9"
    & skf18("4","10","4","8","2","9","1") = "9"
    & skf18("4","10","4","8","2","10","1") = "9"
    & skf18("4","10","4","8","3","1","1") = "9"
    & skf18("4","10","4","8","3","2","1") = "9"
    & skf18("4","10","4","8","3","3","1") = "9"
    & skf18("4","10","4","8","3","4","1") = "9"
    & skf18("4","10","4","8","3","5","1") = "9"
    & skf18("4","10","4","8","3","6","1") = "9"
    & skf18("4","10","4","8","3","7","1") = "9"
    & skf18("4","10","4","8","3","8","1") = "9"
    & skf18("4","10","4","8","3","9","1") = "9"
    & skf18("4","10","4","8","3","10","1") = "9"
    & skf18("4","10","4","8","4","1","1") = "9"
    & skf18("4","10","4","8","4","2","1") = "9"
    & skf18("4","10","4","8","4","3","1") = "9"
    & skf18("4","10","4","8","4","4","1") = "9"
    & skf18("4","10","4","8","4","5","1") = "9"
    & skf18("4","10","4","8","4","6","1") = "9"
    & skf18("4","10","4","8","4","7","1") = "9"
    & skf18("4","10","4","8","4","8","1") = "9"
    & skf18("4","10","4","8","4","9","1") = "9"
    & skf18("4","10","4","8","4","10","1") = "9"
    & skf18("4","10","4","8","5","1","1") = "9"
    & skf18("4","10","4","8","5","2","1") = "9"
    & skf18("4","10","4","8","5","3","1") = "9"
    & skf18("4","10","4","8","5","4","1") = "9"
    & skf18("4","10","4","8","5","5","1") = "9"
    & skf18("4","10","4","8","5","6","1") = "9"
    & skf18("4","10","4","8","5","7","1") = "9"
    & skf18("4","10","4","8","5","8","1") = "9"
    & skf18("4","10","4","8","5","9","1") = "9"
    & skf18("4","10","4","8","5","10","1") = "9"
    & skf18("4","10","4","8","6","1","1") = "9"
    & skf18("4","10","4","8","6","2","1") = "9"
    & skf18("4","10","4","8","6","3","1") = "9"
    & skf18("4","10","4","8","6","4","1") = "9"
    & skf18("4","10","4","8","6","5","1") = "9"
    & skf18("4","10","4","8","6","6","1") = "9"
    & skf18("4","10","4","8","6","7","1") = "9"
    & skf18("4","10","4","8","6","8","1") = "9"
    & skf18("4","10","4","8","6","9","1") = "9"
    & skf18("4","10","4","8","6","10","1") = "9"
    & skf18("4","10","4","8","7","1","1") = "9"
    & skf18("4","10","4","8","7","2","1") = "9"
    & skf18("4","10","4","8","7","3","1") = "9"
    & skf18("4","10","4","8","7","4","1") = "9"
    & skf18("4","10","4","8","7","5","1") = "9"
    & skf18("4","10","4","8","7","6","1") = "9"
    & skf18("4","10","4","8","7","7","1") = "9"
    & skf18("4","10","4","8","7","8","1") = "9"
    & skf18("4","10","4","8","7","9","1") = "9"
    & skf18("4","10","4","8","7","10","1") = "9"
    & skf18("4","10","4","8","8","1","1") = "9"
    & skf18("4","10","4","8","8","2","1") = "9"
    & skf18("4","10","4","8","8","3","1") = "9"
    & skf18("4","10","4","8","8","4","1") = "9"
    & skf18("4","10","4","8","8","5","1") = "9"
    & skf18("4","10","4","8","8","6","1") = "9"
    & skf18("4","10","4","8","8","7","1") = "9"
    & skf18("4","10","4","8","8","8","1") = "9"
    & skf18("4","10","4","8","8","9","1") = "9"
    & skf18("4","10","4","8","8","10","1") = "9"
    & skf18("4","10","4","8","9","1","1") = "9"
    & skf18("4","10","4","8","9","2","1") = "9"
    & skf18("4","10","4","8","9","3","1") = "9"
    & skf18("4","10","4","8","9","4","1") = "9"
    & skf18("4","10","4","8","9","5","1") = "9"
    & skf18("4","10","4","8","9","6","1") = "9"
    & skf18("4","10","4","8","9","7","1") = "9"
    & skf18("4","10","4","8","9","8","1") = "9"
    & skf18("4","10","4","8","9","9","1") = "9"
    & skf18("4","10","4","8","9","10","1") = "9"
    & skf18("4","10","4","8","10","1","1") = "9"
    & skf18("4","10","4","8","10","2","1") = "9"
    & skf18("4","10","4","8","10","3","1") = "9"
    & skf18("4","10","4","8","10","4","1") = "9"
    & skf18("4","10","4","8","10","5","1") = "9"
    & skf18("4","10","4","8","10","6","1") = "9"
    & skf18("4","10","4","8","10","7","1") = "9"
    & skf18("4","10","4","8","10","8","1") = "9"
    & skf18("4","10","4","8","10","9","1") = "9"
    & skf18("4","10","4","8","10","10","1") = "9"
    & skf18("4","10","4","9","1","1","1") = "9"
    & skf18("4","10","4","9","1","2","1") = "9"
    & skf18("4","10","4","9","1","3","1") = "9"
    & skf18("4","10","4","9","1","4","1") = "9"
    & skf18("4","10","4","9","1","5","1") = "9"
    & skf18("4","10","4","9","1","6","1") = "9"
    & skf18("4","10","4","9","1","7","1") = "9"
    & skf18("4","10","4","9","1","8","1") = "9"
    & skf18("4","10","4","9","1","9","1") = "9"
    & skf18("4","10","4","9","1","10","1") = "9"
    & skf18("4","10","4","9","2","1","1") = "9"
    & skf18("4","10","4","9","2","2","1") = "9"
    & skf18("4","10","4","9","2","3","1") = "9"
    & skf18("4","10","4","9","2","4","1") = "9"
    & skf18("4","10","4","9","2","5","1") = "9"
    & skf18("4","10","4","9","2","6","1") = "9"
    & skf18("4","10","4","9","2","7","1") = "9"
    & skf18("4","10","4","9","2","8","1") = "9"
    & skf18("4","10","4","9","2","9","1") = "9"
    & skf18("4","10","4","9","2","10","1") = "9"
    & skf18("4","10","4","9","3","1","1") = "9"
    & skf18("4","10","4","9","3","2","1") = "9"
    & skf18("4","10","4","9","3","3","1") = "9"
    & skf18("4","10","4","9","3","4","1") = "9"
    & skf18("4","10","4","9","3","5","1") = "9"
    & skf18("4","10","4","9","3","6","1") = "9"
    & skf18("4","10","4","9","3","7","1") = "9"
    & skf18("4","10","4","9","3","8","1") = "9"
    & skf18("4","10","4","9","3","9","1") = "9"
    & skf18("4","10","4","9","3","10","1") = "9"
    & skf18("4","10","4","9","4","1","1") = "9"
    & skf18("4","10","4","9","4","2","1") = "9"
    & skf18("4","10","4","9","4","3","1") = "9"
    & skf18("4","10","4","9","4","4","1") = "9"
    & skf18("4","10","4","9","4","5","1") = "9"
    & skf18("4","10","4","9","4","6","1") = "9"
    & skf18("4","10","4","9","4","7","1") = "9"
    & skf18("4","10","4","9","4","8","1") = "9"
    & skf18("4","10","4","9","4","9","1") = "9"
    & skf18("4","10","4","9","4","10","1") = "9"
    & skf18("4","10","4","9","5","1","1") = "9"
    & skf18("4","10","4","9","5","2","1") = "9"
    & skf18("4","10","4","9","5","3","1") = "9"
    & skf18("4","10","4","9","5","4","1") = "9"
    & skf18("4","10","4","9","5","5","1") = "9"
    & skf18("4","10","4","9","5","6","1") = "9"
    & skf18("4","10","4","9","5","7","1") = "9"
    & skf18("4","10","4","9","5","8","1") = "9"
    & skf18("4","10","4","9","5","9","1") = "9"
    & skf18("4","10","4","9","5","10","1") = "9"
    & skf18("4","10","4","9","6","1","1") = "9"
    & skf18("4","10","4","9","6","2","1") = "9"
    & skf18("4","10","4","9","6","3","1") = "9"
    & skf18("4","10","4","9","6","4","1") = "9"
    & skf18("4","10","4","9","6","5","1") = "9"
    & skf18("4","10","4","9","6","6","1") = "9"
    & skf18("4","10","4","9","6","7","1") = "9"
    & skf18("4","10","4","9","6","8","1") = "9"
    & skf18("4","10","4","9","6","9","1") = "9"
    & skf18("4","10","4","9","6","10","1") = "9"
    & skf18("4","10","4","9","7","1","1") = "9"
    & skf18("4","10","4","9","7","2","1") = "9"
    & skf18("4","10","4","9","7","3","1") = "9"
    & skf18("4","10","4","9","7","4","1") = "9"
    & skf18("4","10","4","9","7","5","1") = "9"
    & skf18("4","10","4","9","7","6","1") = "9"
    & skf18("4","10","4","9","7","7","1") = "9"
    & skf18("4","10","4","9","7","8","1") = "9"
    & skf18("4","10","4","9","7","9","1") = "9"
    & skf18("4","10","4","9","7","10","1") = "9"
    & skf18("4","10","4","9","8","1","1") = "9"
    & skf18("4","10","4","9","8","2","1") = "9"
    & skf18("4","10","4","9","8","3","1") = "9"
    & skf18("4","10","4","9","8","4","1") = "9"
    & skf18("4","10","4","9","8","5","1") = "9"
    & skf18("4","10","4","9","8","6","1") = "9"
    & skf18("4","10","4","9","8","7","1") = "9"
    & skf18("4","10","4","9","8","8","1") = "9"
    & skf18("4","10","4","9","8","9","1") = "9"
    & skf18("4","10","4","9","8","10","1") = "9"
    & skf18("4","10","4","9","9","1","1") = "9"
    & skf18("4","10","4","9","9","2","1") = "9"
    & skf18("4","10","4","9","9","3","1") = "9"
    & skf18("4","10","4","9","9","4","1") = "9"
    & skf18("4","10","4","9","9","5","1") = "9"
    & skf18("4","10","4","9","9","6","1") = "9"
    & skf18("4","10","4","9","9","7","1") = "9"
    & skf18("4","10","4","9","9","8","1") = "9"
    & skf18("4","10","4","9","9","9","1") = "9"
    & skf18("4","10","4","9","9","10","1") = "9"
    & skf18("4","10","4","9","10","1","1") = "9"
    & skf18("4","10","4","9","10","2","1") = "9"
    & skf18("4","10","4","9","10","3","1") = "9"
    & skf18("4","10","4","9","10","4","1") = "9"
    & skf18("4","10","4","9","10","5","1") = "9"
    & skf18("4","10","4","9","10","6","1") = "9"
    & skf18("4","10","4","9","10","7","1") = "9"
    & skf18("4","10","4","9","10","8","1") = "9"
    & skf18("4","10","4","9","10","9","1") = "9"
    & skf18("4","10","4","9","10","10","1") = "9"
    & skf18("4","10","4","10","1","1","1") = "9"
    & skf18("4","10","4","10","1","2","1") = "9"
    & skf18("4","10","4","10","1","3","1") = "9"
    & skf18("4","10","4","10","1","4","1") = "9"
    & skf18("4","10","4","10","1","5","1") = "9"
    & skf18("4","10","4","10","1","6","1") = "9"
    & skf18("4","10","4","10","1","7","1") = "9"
    & skf18("4","10","4","10","1","8","1") = "9"
    & skf18("4","10","4","10","1","9","1") = "9"
    & skf18("4","10","4","10","1","10","1") = "9"
    & skf18("4","10","4","10","2","1","1") = "9"
    & skf18("4","10","4","10","2","2","1") = "9"
    & skf18("4","10","4","10","2","3","1") = "9"
    & skf18("4","10","4","10","2","4","1") = "9"
    & skf18("4","10","4","10","2","5","1") = "9"
    & skf18("4","10","4","10","2","6","1") = "9"
    & skf18("4","10","4","10","2","7","1") = "9"
    & skf18("4","10","4","10","2","8","1") = "9"
    & skf18("4","10","4","10","2","9","1") = "9"
    & skf18("4","10","4","10","2","10","1") = "9"
    & skf18("4","10","4","10","3","1","1") = "9"
    & skf18("4","10","4","10","3","2","1") = "9"
    & skf18("4","10","4","10","3","3","1") = "9"
    & skf18("4","10","4","10","3","4","1") = "9"
    & skf18("4","10","4","10","3","5","1") = "9"
    & skf18("4","10","4","10","3","6","1") = "9"
    & skf18("4","10","4","10","3","7","1") = "9"
    & skf18("4","10","4","10","3","8","1") = "9"
    & skf18("4","10","4","10","3","9","1") = "9"
    & skf18("4","10","4","10","3","10","1") = "9"
    & skf18("4","10","4","10","4","1","1") = "9"
    & skf18("4","10","4","10","4","2","1") = "9"
    & skf18("4","10","4","10","4","3","1") = "9"
    & skf18("4","10","4","10","4","4","1") = "9"
    & skf18("4","10","4","10","4","5","1") = "9"
    & skf18("4","10","4","10","4","6","1") = "9"
    & skf18("4","10","4","10","4","7","1") = "9"
    & skf18("4","10","4","10","4","8","1") = "9"
    & skf18("4","10","4","10","4","9","1") = "9"
    & skf18("4","10","4","10","4","10","1") = "9"
    & skf18("4","10","4","10","5","1","1") = "9"
    & skf18("4","10","4","10","5","2","1") = "9"
    & skf18("4","10","4","10","5","3","1") = "9"
    & skf18("4","10","4","10","5","4","1") = "9"
    & skf18("4","10","4","10","5","5","1") = "9"
    & skf18("4","10","4","10","5","6","1") = "9"
    & skf18("4","10","4","10","5","7","1") = "9"
    & skf18("4","10","4","10","5","8","1") = "9"
    & skf18("4","10","4","10","5","9","1") = "9"
    & skf18("4","10","4","10","5","10","1") = "9"
    & skf18("4","10","4","10","6","1","1") = "9"
    & skf18("4","10","4","10","6","2","1") = "9"
    & skf18("4","10","4","10","6","3","1") = "9"
    & skf18("4","10","4","10","6","4","1") = "9"
    & skf18("4","10","4","10","6","5","1") = "9"
    & skf18("4","10","4","10","6","6","1") = "9"
    & skf18("4","10","4","10","6","7","1") = "9"
    & skf18("4","10","4","10","6","8","1") = "9"
    & skf18("4","10","4","10","6","9","1") = "9"
    & skf18("4","10","4","10","6","10","1") = "9"
    & skf18("4","10","4","10","7","1","1") = "9"
    & skf18("4","10","4","10","7","2","1") = "9"
    & skf18("4","10","4","10","7","3","1") = "9"
    & skf18("4","10","4","10","7","4","1") = "9"
    & skf18("4","10","4","10","7","5","1") = "9"
    & skf18("4","10","4","10","7","6","1") = "9"
    & skf18("4","10","4","10","7","7","1") = "9"
    & skf18("4","10","4","10","7","8","1") = "9"
    & skf18("4","10","4","10","7","9","1") = "9"
    & skf18("4","10","4","10","7","10","1") = "9"
    & skf18("4","10","4","10","8","1","1") = "9"
    & skf18("4","10","4","10","8","2","1") = "9"
    & skf18("4","10","4","10","8","3","1") = "9"
    & skf18("4","10","4","10","8","4","1") = "9"
    & skf18("4","10","4","10","8","5","1") = "9"
    & skf18("4","10","4","10","8","6","1") = "9"
    & skf18("4","10","4","10","8","7","1") = "9"
    & skf18("4","10","4","10","8","8","1") = "9"
    & skf18("4","10","4","10","8","9","1") = "9"
    & skf18("4","10","4","10","8","10","1") = "9"
    & skf18("4","10","4","10","9","1","1") = "9"
    & skf18("4","10","4","10","9","2","1") = "9"
    & skf18("4","10","4","10","9","3","1") = "9"
    & skf18("4","10","4","10","9","4","1") = "9"
    & skf18("4","10","4","10","9","5","1") = "9"
    & skf18("4","10","4","10","9","6","1") = "9"
    & skf18("4","10","4","10","9","7","1") = "9"
    & skf18("4","10","4","10","9","8","1") = "9"
    & skf18("4","10","4","10","9","9","1") = "9"
    & skf18("4","10","4","10","9","10","1") = "9"
    & skf18("4","10","4","10","10","1","1") = "9"
    & skf18("4","10","4","10","10","2","1") = "9"
    & skf18("4","10","4","10","10","3","1") = "9"
    & skf18("4","10","4","10","10","4","1") = "9"
    & skf18("4","10","4","10","10","5","1") = "9"
    & skf18("4","10","4","10","10","6","1") = "9"
    & skf18("4","10","4","10","10","7","1") = "9"
    & skf18("4","10","4","10","10","8","1") = "9"
    & skf18("4","10","4","10","10","9","1") = "9"
    & skf18("4","10","4","10","10","10","1") = "9"
    & skf18("4","10","5","1","1","1","1") = "9"
    & skf18("4","10","5","1","1","2","1") = "9"
    & skf18("4","10","5","1","1","3","1") = "9"
    & skf18("4","10","5","1","1","4","1") = "9"
    & skf18("4","10","5","1","1","5","1") = "9"
    & skf18("4","10","5","1","1","6","1") = "9"
    & skf18("4","10","5","1","1","7","1") = "9"
    & skf18("4","10","5","1","1","8","1") = "9"
    & skf18("4","10","5","1","1","9","1") = "9"
    & skf18("4","10","5","1","1","10","1") = "9"
    & skf18("4","10","5","1","2","1","1") = "9"
    & skf18("4","10","5","1","2","2","1") = "9"
    & skf18("4","10","5","1","2","3","1") = "9"
    & skf18("4","10","5","1","2","4","1") = "9"
    & skf18("4","10","5","1","2","5","1") = "9"
    & skf18("4","10","5","1","2","6","1") = "9"
    & skf18("4","10","5","1","2","7","1") = "9"
    & skf18("4","10","5","1","2","8","1") = "9"
    & skf18("4","10","5","1","2","9","1") = "9"
    & skf18("4","10","5","1","2","10","1") = "9"
    & skf18("4","10","5","1","3","1","1") = "9"
    & skf18("4","10","5","1","3","2","1") = "9"
    & skf18("4","10","5","1","3","3","1") = "9"
    & skf18("4","10","5","1","3","4","1") = "9"
    & skf18("4","10","5","1","3","5","1") = "9"
    & skf18("4","10","5","1","3","6","1") = "9"
    & skf18("4","10","5","1","3","7","1") = "9"
    & skf18("4","10","5","1","3","8","1") = "9"
    & skf18("4","10","5","1","3","9","1") = "9"
    & skf18("4","10","5","1","3","10","1") = "9"
    & skf18("4","10","5","1","4","1","1") = "9"
    & skf18("4","10","5","1","4","2","1") = "9"
    & skf18("4","10","5","1","4","3","1") = "9"
    & skf18("4","10","5","1","4","4","1") = "9"
    & skf18("4","10","5","1","4","5","1") = "9"
    & skf18("4","10","5","1","4","6","1") = "9"
    & skf18("4","10","5","1","4","7","1") = "9"
    & skf18("4","10","5","1","4","8","1") = "9"
    & skf18("4","10","5","1","4","9","1") = "9"
    & skf18("4","10","5","1","4","10","1") = "9"
    & skf18("4","10","5","1","5","1","1") = "9"
    & skf18("4","10","5","1","5","2","1") = "9"
    & skf18("4","10","5","1","5","3","1") = "9"
    & skf18("4","10","5","1","5","4","1") = "9"
    & skf18("4","10","5","1","5","5","1") = "9"
    & skf18("4","10","5","1","5","6","1") = "9"
    & skf18("4","10","5","1","5","7","1") = "9"
    & skf18("4","10","5","1","5","8","1") = "9"
    & skf18("4","10","5","1","5","9","1") = "9"
    & skf18("4","10","5","1","5","10","1") = "9"
    & skf18("4","10","5","1","6","1","1") = "9"
    & skf18("4","10","5","1","6","2","1") = "9"
    & skf18("4","10","5","1","6","3","1") = "9"
    & skf18("4","10","5","1","6","4","1") = "9"
    & skf18("4","10","5","1","6","5","1") = "9"
    & skf18("4","10","5","1","6","6","1") = "9"
    & skf18("4","10","5","1","6","7","1") = "9"
    & skf18("4","10","5","1","6","8","1") = "9"
    & skf18("4","10","5","1","6","9","1") = "9"
    & skf18("4","10","5","1","6","10","1") = "9"
    & skf18("4","10","5","1","7","1","1") = "9"
    & skf18("4","10","5","1","7","2","1") = "9"
    & skf18("4","10","5","1","7","3","1") = "9"
    & skf18("4","10","5","1","7","4","1") = "9"
    & skf18("4","10","5","1","7","5","1") = "9"
    & skf18("4","10","5","1","7","6","1") = "9"
    & skf18("4","10","5","1","7","7","1") = "9"
    & skf18("4","10","5","1","7","8","1") = "9"
    & skf18("4","10","5","1","7","9","1") = "9"
    & skf18("4","10","5","1","7","10","1") = "9"
    & skf18("4","10","5","1","8","1","1") = "9"
    & skf18("4","10","5","1","8","2","1") = "9"
    & skf18("4","10","5","1","8","3","1") = "9"
    & skf18("4","10","5","1","8","4","1") = "9"
    & skf18("4","10","5","1","8","5","1") = "9"
    & skf18("4","10","5","1","8","6","1") = "9"
    & skf18("4","10","5","1","8","7","1") = "9"
    & skf18("4","10","5","1","8","8","1") = "9"
    & skf18("4","10","5","1","8","9","1") = "9"
    & skf18("4","10","5","1","8","10","1") = "9"
    & skf18("4","10","5","1","9","1","1") = "9"
    & skf18("4","10","5","1","9","2","1") = "9"
    & skf18("4","10","5","1","9","3","1") = "9"
    & skf18("4","10","5","1","9","4","1") = "9"
    & skf18("4","10","5","1","9","5","1") = "9"
    & skf18("4","10","5","1","9","6","1") = "9"
    & skf18("4","10","5","1","9","7","1") = "9"
    & skf18("4","10","5","1","9","8","1") = "9"
    & skf18("4","10","5","1","9","9","1") = "9"
    & skf18("4","10","5","1","9","10","1") = "9"
    & skf18("4","10","5","1","10","1","1") = "9"
    & skf18("4","10","5","1","10","2","1") = "9"
    & skf18("4","10","5","1","10","3","1") = "9"
    & skf18("4","10","5","1","10","4","1") = "9"
    & skf18("4","10","5","1","10","5","1") = "9"
    & skf18("4","10","5","1","10","6","1") = "9"
    & skf18("4","10","5","1","10","7","1") = "9"
    & skf18("4","10","5","1","10","8","1") = "9"
    & skf18("4","10","5","1","10","9","1") = "9"
    & skf18("4","10","5","1","10","10","1") = "9"
    & skf18("4","10","5","2","1","1","1") = "9"
    & skf18("4","10","5","2","1","2","1") = "9"
    & skf18("4","10","5","2","1","3","1") = "9"
    & skf18("4","10","5","2","1","4","1") = "9"
    & skf18("4","10","5","2","1","5","1") = "9"
    & skf18("4","10","5","2","1","6","1") = "9"
    & skf18("4","10","5","2","1","7","1") = "9"
    & skf18("4","10","5","2","1","8","1") = "9"
    & skf18("4","10","5","2","1","9","1") = "9"
    & skf18("4","10","5","2","1","10","1") = "9"
    & skf18("4","10","5","2","2","1","1") = "9"
    & skf18("4","10","5","2","2","2","1") = "9"
    & skf18("4","10","5","2","2","3","1") = "9"
    & skf18("4","10","5","2","2","4","1") = "9"
    & skf18("4","10","5","2","2","5","1") = "9"
    & skf18("4","10","5","2","2","6","1") = "9"
    & skf18("4","10","5","2","2","7","1") = "9"
    & skf18("4","10","5","2","2","8","1") = "9"
    & skf18("4","10","5","2","2","9","1") = "9"
    & skf18("4","10","5","2","2","10","1") = "9"
    & skf18("4","10","5","2","3","1","1") = "9"
    & skf18("4","10","5","2","3","2","1") = "9"
    & skf18("4","10","5","2","3","3","1") = "9"
    & skf18("4","10","5","2","3","4","1") = "9"
    & skf18("4","10","5","2","3","5","1") = "9"
    & skf18("4","10","5","2","3","6","1") = "9"
    & skf18("4","10","5","2","3","7","1") = "9"
    & skf18("4","10","5","2","3","8","1") = "9"
    & skf18("4","10","5","2","3","9","1") = "9"
    & skf18("4","10","5","2","3","10","1") = "9"
    & skf18("4","10","5","2","4","1","1") = "9"
    & skf18("4","10","5","2","4","2","1") = "9"
    & skf18("4","10","5","2","4","3","1") = "9"
    & skf18("4","10","5","2","4","4","1") = "9"
    & skf18("4","10","5","2","4","5","1") = "9"
    & skf18("4","10","5","2","4","6","1") = "9"
    & skf18("4","10","5","2","4","7","1") = "9"
    & skf18("4","10","5","2","4","8","1") = "9"
    & skf18("4","10","5","2","4","9","1") = "9"
    & skf18("4","10","5","2","4","10","1") = "9"
    & skf18("4","10","5","2","5","1","1") = "9"
    & skf18("4","10","5","2","5","2","1") = "9"
    & skf18("4","10","5","2","5","3","1") = "9"
    & skf18("4","10","5","2","5","4","1") = "9"
    & skf18("4","10","5","2","5","5","1") = "9"
    & skf18("4","10","5","2","5","6","1") = "9"
    & skf18("4","10","5","2","5","7","1") = "9"
    & skf18("4","10","5","2","5","8","1") = "9"
    & skf18("4","10","5","2","5","9","1") = "9"
    & skf18("4","10","5","2","5","10","1") = "9"
    & skf18("4","10","5","2","6","1","1") = "9"
    & skf18("4","10","5","2","6","2","1") = "9"
    & skf18("4","10","5","2","6","3","1") = "9"
    & skf18("4","10","5","2","6","4","1") = "9"
    & skf18("4","10","5","2","6","5","1") = "9"
    & skf18("4","10","5","2","6","6","1") = "9"
    & skf18("4","10","5","2","6","7","1") = "9"
    & skf18("4","10","5","2","6","8","1") = "9"
    & skf18("4","10","5","2","6","9","1") = "9"
    & skf18("4","10","5","2","6","10","1") = "9"
    & skf18("4","10","5","2","7","1","1") = "9"
    & skf18("4","10","5","2","7","2","1") = "9"
    & skf18("4","10","5","2","7","3","1") = "9"
    & skf18("4","10","5","2","7","4","1") = "9"
    & skf18("4","10","5","2","7","5","1") = "9"
    & skf18("4","10","5","2","7","6","1") = "9"
    & skf18("4","10","5","2","7","7","1") = "9"
    & skf18("4","10","5","2","7","8","1") = "9"
    & skf18("4","10","5","2","7","9","1") = "9"
    & skf18("4","10","5","2","7","10","1") = "9"
    & skf18("4","10","5","2","8","1","1") = "9"
    & skf18("4","10","5","2","8","2","1") = "9"
    & skf18("4","10","5","2","8","3","1") = "9"
    & skf18("4","10","5","2","8","4","1") = "9"
    & skf18("4","10","5","2","8","5","1") = "9"
    & skf18("4","10","5","2","8","6","1") = "9"
    & skf18("4","10","5","2","8","7","1") = "9"
    & skf18("4","10","5","2","8","8","1") = "9"
    & skf18("4","10","5","2","8","9","1") = "9"
    & skf18("4","10","5","2","8","10","1") = "9"
    & skf18("4","10","5","2","9","1","1") = "9"
    & skf18("4","10","5","2","9","2","1") = "9"
    & skf18("4","10","5","2","9","3","1") = "9"
    & skf18("4","10","5","2","9","4","1") = "9"
    & skf18("4","10","5","2","9","5","1") = "9"
    & skf18("4","10","5","2","9","6","1") = "9"
    & skf18("4","10","5","2","9","7","1") = "9"
    & skf18("4","10","5","2","9","8","1") = "9"
    & skf18("4","10","5","2","9","9","1") = "9"
    & skf18("4","10","5","2","9","10","1") = "9"
    & skf18("4","10","5","2","10","1","1") = "9"
    & skf18("4","10","5","2","10","2","1") = "9"
    & skf18("4","10","5","2","10","3","1") = "9"
    & skf18("4","10","5","2","10","4","1") = "9"
    & skf18("4","10","5","2","10","5","1") = "9"
    & skf18("4","10","5","2","10","6","1") = "9"
    & skf18("4","10","5","2","10","7","1") = "9"
    & skf18("4","10","5","2","10","8","1") = "9"
    & skf18("4","10","5","2","10","9","1") = "9"
    & skf18("4","10","5","2","10","10","1") = "9"
    & skf18("4","10","5","3","1","1","1") = "9"
    & skf18("4","10","5","3","1","2","1") = "9"
    & skf18("4","10","5","3","1","3","1") = "9"
    & skf18("4","10","5","3","1","4","1") = "9"
    & skf18("4","10","5","3","1","5","1") = "9"
    & skf18("4","10","5","3","1","6","1") = "9"
    & skf18("4","10","5","3","1","7","1") = "9"
    & skf18("4","10","5","3","1","8","1") = "9"
    & skf18("4","10","5","3","1","9","1") = "9"
    & skf18("4","10","5","3","1","10","1") = "9"
    & skf18("4","10","5","3","2","1","1") = "9"
    & skf18("4","10","5","3","2","2","1") = "9"
    & skf18("4","10","5","3","2","3","1") = "9"
    & skf18("4","10","5","3","2","4","1") = "9"
    & skf18("4","10","5","3","2","5","1") = "9"
    & skf18("4","10","5","3","2","6","1") = "9"
    & skf18("4","10","5","3","2","7","1") = "9"
    & skf18("4","10","5","3","2","8","1") = "9"
    & skf18("4","10","5","3","2","9","1") = "9"
    & skf18("4","10","5","3","2","10","1") = "9"
    & skf18("4","10","5","3","3","1","1") = "9"
    & skf18("4","10","5","3","3","2","1") = "9"
    & skf18("4","10","5","3","3","3","1") = "9"
    & skf18("4","10","5","3","3","4","1") = "9"
    & skf18("4","10","5","3","3","5","1") = "9"
    & skf18("4","10","5","3","3","6","1") = "9"
    & skf18("4","10","5","3","3","7","1") = "9"
    & skf18("4","10","5","3","3","8","1") = "9"
    & skf18("4","10","5","3","3","9","1") = "9"
    & skf18("4","10","5","3","3","10","1") = "9"
    & skf18("4","10","5","3","4","1","1") = "9"
    & skf18("4","10","5","3","4","2","1") = "9"
    & skf18("4","10","5","3","4","3","1") = "9"
    & skf18("4","10","5","3","4","4","1") = "9"
    & skf18("4","10","5","3","4","5","1") = "9"
    & skf18("4","10","5","3","4","6","1") = "9"
    & skf18("4","10","5","3","4","7","1") = "9"
    & skf18("4","10","5","3","4","8","1") = "9"
    & skf18("4","10","5","3","4","9","1") = "9"
    & skf18("4","10","5","3","4","10","1") = "9"
    & skf18("4","10","5","3","5","1","1") = "9"
    & skf18("4","10","5","3","5","2","1") = "9"
    & skf18("4","10","5","3","5","3","1") = "9"
    & skf18("4","10","5","3","5","4","1") = "9"
    & skf18("4","10","5","3","5","5","1") = "9"
    & skf18("4","10","5","3","5","6","1") = "9"
    & skf18("4","10","5","3","5","7","1") = "9"
    & skf18("4","10","5","3","5","8","1") = "9"
    & skf18("4","10","5","3","5","9","1") = "9"
    & skf18("4","10","5","3","5","10","1") = "9"
    & skf18("4","10","5","3","6","1","1") = "9"
    & skf18("4","10","5","3","6","2","1") = "9"
    & skf18("4","10","5","3","6","3","1") = "9"
    & skf18("4","10","5","3","6","4","1") = "9"
    & skf18("4","10","5","3","6","5","1") = "9"
    & skf18("4","10","5","3","6","6","1") = "9"
    & skf18("4","10","5","3","6","7","1") = "9"
    & skf18("4","10","5","3","6","8","1") = "9"
    & skf18("4","10","5","3","6","9","1") = "9"
    & skf18("4","10","5","3","6","10","1") = "9"
    & skf18("4","10","5","3","7","1","1") = "9"
    & skf18("4","10","5","3","7","2","1") = "9"
    & skf18("4","10","5","3","7","3","1") = "9"
    & skf18("4","10","5","3","7","4","1") = "9"
    & skf18("4","10","5","3","7","5","1") = "9"
    & skf18("4","10","5","3","7","6","1") = "9"
    & skf18("4","10","5","3","7","7","1") = "9"
    & skf18("4","10","5","3","7","8","1") = "9"
    & skf18("4","10","5","3","7","9","1") = "9"
    & skf18("4","10","5","3","7","10","1") = "9"
    & skf18("4","10","5","3","8","1","1") = "9"
    & skf18("4","10","5","3","8","2","1") = "9"
    & skf18("4","10","5","3","8","3","1") = "9"
    & skf18("4","10","5","3","8","4","1") = "9"
    & skf18("4","10","5","3","8","5","1") = "9"
    & skf18("4","10","5","3","8","6","1") = "9"
    & skf18("4","10","5","3","8","7","1") = "9"
    & skf18("4","10","5","3","8","8","1") = "9"
    & skf18("4","10","5","3","8","9","1") = "9"
    & skf18("4","10","5","3","8","10","1") = "9"
    & skf18("4","10","5","3","9","1","1") = "9"
    & skf18("4","10","5","3","9","2","1") = "9"
    & skf18("4","10","5","3","9","3","1") = "9"
    & skf18("4","10","5","3","9","4","1") = "9"
    & skf18("4","10","5","3","9","5","1") = "9"
    & skf18("4","10","5","3","9","6","1") = "9"
    & skf18("4","10","5","3","9","7","1") = "9"
    & skf18("4","10","5","3","9","8","1") = "9"
    & skf18("4","10","5","3","9","9","1") = "9"
    & skf18("4","10","5","3","9","10","1") = "9"
    & skf18("4","10","5","3","10","1","1") = "9"
    & skf18("4","10","5","3","10","2","1") = "9"
    & skf18("4","10","5","3","10","3","1") = "9"
    & skf18("4","10","5","3","10","4","1") = "9"
    & skf18("4","10","5","3","10","5","1") = "9"
    & skf18("4","10","5","3","10","6","1") = "9"
    & skf18("4","10","5","3","10","7","1") = "9"
    & skf18("4","10","5","3","10","8","1") = "9"
    & skf18("4","10","5","3","10","9","1") = "9"
    & skf18("4","10","5","3","10","10","1") = "9"
    & skf18("4","10","5","4","1","1","1") = "9"
    & skf18("4","10","5","4","1","2","1") = "9"
    & skf18("4","10","5","4","1","3","1") = "9"
    & skf18("4","10","5","4","1","4","1") = "9"
    & skf18("4","10","5","4","1","5","1") = "9"
    & skf18("4","10","5","4","1","6","1") = "9"
    & skf18("4","10","5","4","1","7","1") = "9"
    & skf18("4","10","5","4","1","8","1") = "9"
    & skf18("4","10","5","4","1","9","1") = "9"
    & skf18("4","10","5","4","1","10","1") = "9"
    & skf18("4","10","5","4","2","1","1") = "9"
    & skf18("4","10","5","4","2","2","1") = "9"
    & skf18("4","10","5","4","2","3","1") = "9"
    & skf18("4","10","5","4","2","4","1") = "9"
    & skf18("4","10","5","4","2","5","1") = "9"
    & skf18("4","10","5","4","2","6","1") = "9"
    & skf18("4","10","5","4","2","7","1") = "9"
    & skf18("4","10","5","4","2","8","1") = "9"
    & skf18("4","10","5","4","2","9","1") = "9"
    & skf18("4","10","5","4","2","10","1") = "9"
    & skf18("4","10","5","4","3","1","1") = "9"
    & skf18("4","10","5","4","3","2","1") = "9"
    & skf18("4","10","5","4","3","3","1") = "9"
    & skf18("4","10","5","4","3","4","1") = "9"
    & skf18("4","10","5","4","3","5","1") = "9"
    & skf18("4","10","5","4","3","6","1") = "9"
    & skf18("4","10","5","4","3","7","1") = "9"
    & skf18("4","10","5","4","3","8","1") = "9"
    & skf18("4","10","5","4","3","9","1") = "9"
    & skf18("4","10","5","4","3","10","1") = "9"
    & skf18("4","10","5","4","4","1","1") = "9"
    & skf18("4","10","5","4","4","2","1") = "9"
    & skf18("4","10","5","4","4","3","1") = "9"
    & skf18("4","10","5","4","4","4","1") = "9"
    & skf18("4","10","5","4","4","5","1") = "9"
    & skf18("4","10","5","4","4","6","1") = "9"
    & skf18("4","10","5","4","4","7","1") = "9"
    & skf18("4","10","5","4","4","8","1") = "9"
    & skf18("4","10","5","4","4","9","1") = "9"
    & skf18("4","10","5","4","4","10","1") = "9"
    & skf18("4","10","5","4","5","1","1") = "9"
    & skf18("4","10","5","4","5","2","1") = "9"
    & skf18("4","10","5","4","5","3","1") = "9"
    & skf18("4","10","5","4","5","4","1") = "9"
    & skf18("4","10","5","4","5","5","1") = "9"
    & skf18("4","10","5","4","5","6","1") = "9"
    & skf18("4","10","5","4","5","7","1") = "9"
    & skf18("4","10","5","4","5","8","1") = "9"
    & skf18("4","10","5","4","5","9","1") = "9"
    & skf18("4","10","5","4","5","10","1") = "9"
    & skf18("4","10","5","4","6","1","1") = "9"
    & skf18("4","10","5","4","6","2","1") = "9"
    & skf18("4","10","5","4","6","3","1") = "9"
    & skf18("4","10","5","4","6","4","1") = "9"
    & skf18("4","10","5","4","6","5","1") = "9"
    & skf18("4","10","5","4","6","6","1") = "9"
    & skf18("4","10","5","4","6","7","1") = "9"
    & skf18("4","10","5","4","6","8","1") = "9"
    & skf18("4","10","5","4","6","9","1") = "9"
    & skf18("4","10","5","4","6","10","1") = "9"
    & skf18("4","10","5","4","7","1","1") = "9"
    & skf18("4","10","5","4","7","2","1") = "9"
    & skf18("4","10","5","4","7","3","1") = "9"
    & skf18("4","10","5","4","7","4","1") = "9"
    & skf18("4","10","5","4","7","5","1") = "9"
    & skf18("4","10","5","4","7","6","1") = "9"
    & skf18("4","10","5","4","7","7","1") = "9"
    & skf18("4","10","5","4","7","8","1") = "9"
    & skf18("4","10","5","4","7","9","1") = "9"
    & skf18("4","10","5","4","7","10","1") = "9"
    & skf18("4","10","5","4","8","1","1") = "9"
    & skf18("4","10","5","4","8","2","1") = "9"
    & skf18("4","10","5","4","8","3","1") = "9"
    & skf18("4","10","5","4","8","4","1") = "9"
    & skf18("4","10","5","4","8","5","1") = "9"
    & skf18("4","10","5","4","8","6","1") = "9"
    & skf18("4","10","5","4","8","7","1") = "9"
    & skf18("4","10","5","4","8","8","1") = "9"
    & skf18("4","10","5","4","8","9","1") = "9"
    & skf18("4","10","5","4","8","10","1") = "9"
    & skf18("4","10","5","4","9","1","1") = "9"
    & skf18("4","10","5","4","9","2","1") = "9"
    & skf18("4","10","5","4","9","3","1") = "9"
    & skf18("4","10","5","4","9","4","1") = "9"
    & skf18("4","10","5","4","9","5","1") = "9"
    & skf18("4","10","5","4","9","6","1") = "9"
    & skf18("4","10","5","4","9","7","1") = "9"
    & skf18("4","10","5","4","9","8","1") = "9"
    & skf18("4","10","5","4","9","9","1") = "9"
    & skf18("4","10","5","4","9","10","1") = "9"
    & skf18("4","10","5","4","10","1","1") = "9"
    & skf18("4","10","5","4","10","2","1") = "9"
    & skf18("4","10","5","4","10","3","1") = "9"
    & skf18("4","10","5","4","10","4","1") = "9"
    & skf18("4","10","5","4","10","5","1") = "9"
    & skf18("4","10","5","4","10","6","1") = "9"
    & skf18("4","10","5","4","10","7","1") = "9"
    & skf18("4","10","5","4","10","8","1") = "9"
    & skf18("4","10","5","4","10","9","1") = "9"
    & skf18("4","10","5","4","10","10","1") = "9"
    & skf18("4","10","5","5","1","1","1") = "9"
    & skf18("4","10","5","5","1","2","1") = "9"
    & skf18("4","10","5","5","1","3","1") = "9"
    & skf18("4","10","5","5","1","4","1") = "9"
    & skf18("4","10","5","5","1","5","1") = "9"
    & skf18("4","10","5","5","1","6","1") = "9"
    & skf18("4","10","5","5","1","7","1") = "9"
    & skf18("4","10","5","5","1","8","1") = "9"
    & skf18("4","10","5","5","1","9","1") = "9"
    & skf18("4","10","5","5","1","10","1") = "9"
    & skf18("4","10","5","5","2","1","1") = "9"
    & skf18("4","10","5","5","2","2","1") = "9"
    & skf18("4","10","5","5","2","3","1") = "9"
    & skf18("4","10","5","5","2","4","1") = "9"
    & skf18("4","10","5","5","2","5","1") = "9"
    & skf18("4","10","5","5","2","6","1") = "9"
    & skf18("4","10","5","5","2","7","1") = "9"
    & skf18("4","10","5","5","2","8","1") = "9"
    & skf18("4","10","5","5","2","9","1") = "9"
    & skf18("4","10","5","5","2","10","1") = "9"
    & skf18("4","10","5","5","3","1","1") = "9"
    & skf18("4","10","5","5","3","2","1") = "9"
    & skf18("4","10","5","5","3","3","1") = "9"
    & skf18("4","10","5","5","3","4","1") = "9"
    & skf18("4","10","5","5","3","5","1") = "9"
    & skf18("4","10","5","5","3","6","1") = "9"
    & skf18("4","10","5","5","3","7","1") = "9"
    & skf18("4","10","5","5","3","8","1") = "9"
    & skf18("4","10","5","5","3","9","1") = "9"
    & skf18("4","10","5","5","3","10","1") = "9"
    & skf18("4","10","5","5","4","1","1") = "9"
    & skf18("4","10","5","5","4","2","1") = "9"
    & skf18("4","10","5","5","4","3","1") = "9"
    & skf18("4","10","5","5","4","4","1") = "9"
    & skf18("4","10","5","5","4","5","1") = "9"
    & skf18("4","10","5","5","4","6","1") = "9"
    & skf18("4","10","5","5","4","7","1") = "9"
    & skf18("4","10","5","5","4","8","1") = "9"
    & skf18("4","10","5","5","4","9","1") = "9"
    & skf18("4","10","5","5","4","10","1") = "9"
    & skf18("4","10","5","5","5","1","1") = "9"
    & skf18("4","10","5","5","5","2","1") = "9"
    & skf18("4","10","5","5","5","3","1") = "9"
    & skf18("4","10","5","5","5","4","1") = "9"
    & skf18("4","10","5","5","5","5","1") = "9"
    & skf18("4","10","5","5","5","6","1") = "9"
    & skf18("4","10","5","5","5","7","1") = "9"
    & skf18("4","10","5","5","5","8","1") = "9"
    & skf18("4","10","5","5","5","9","1") = "9"
    & skf18("4","10","5","5","5","10","1") = "9"
    & skf18("4","10","5","5","6","1","1") = "9"
    & skf18("4","10","5","5","6","2","1") = "9"
    & skf18("4","10","5","5","6","3","1") = "9"
    & skf18("4","10","5","5","6","4","1") = "9"
    & skf18("4","10","5","5","6","5","1") = "9"
    & skf18("4","10","5","5","6","6","1") = "9"
    & skf18("4","10","5","5","6","7","1") = "9"
    & skf18("4","10","5","5","6","8","1") = "9"
    & skf18("4","10","5","5","6","9","1") = "9"
    & skf18("4","10","5","5","6","10","1") = "9"
    & skf18("4","10","5","5","7","1","1") = "9"
    & skf18("4","10","5","5","7","2","1") = "9"
    & skf18("4","10","5","5","7","3","1") = "9"
    & skf18("4","10","5","5","7","4","1") = "9"
    & skf18("4","10","5","5","7","5","1") = "9"
    & skf18("4","10","5","5","7","6","1") = "9"
    & skf18("4","10","5","5","7","7","1") = "9"
    & skf18("4","10","5","5","7","8","1") = "9"
    & skf18("4","10","5","5","7","9","1") = "9"
    & skf18("4","10","5","5","7","10","1") = "9"
    & skf18("4","10","5","5","8","1","1") = "9"
    & skf18("4","10","5","5","8","2","1") = "9"
    & skf18("4","10","5","5","8","3","1") = "9"
    & skf18("4","10","5","5","8","4","1") = "9"
    & skf18("4","10","5","5","8","5","1") = "9"
    & skf18("4","10","5","5","8","6","1") = "9"
    & skf18("4","10","5","5","8","7","1") = "9"
    & skf18("4","10","5","5","8","8","1") = "9"
    & skf18("4","10","5","5","8","9","1") = "9"
    & skf18("4","10","5","5","8","10","1") = "9"
    & skf18("4","10","5","5","9","1","1") = "9"
    & skf18("4","10","5","5","9","2","1") = "9"
    & skf18("4","10","5","5","9","3","1") = "9"
    & skf18("4","10","5","5","9","4","1") = "9"
    & skf18("4","10","5","5","9","5","1") = "9"
    & skf18("4","10","5","5","9","6","1") = "9"
    & skf18("4","10","5","5","9","7","1") = "9"
    & skf18("4","10","5","5","9","8","1") = "9"
    & skf18("4","10","5","5","9","9","1") = "9"
    & skf18("4","10","5","5","9","10","1") = "9"
    & skf18("4","10","5","5","10","1","1") = "9"
    & skf18("4","10","5","5","10","2","1") = "9"
    & skf18("4","10","5","5","10","3","1") = "9"
    & skf18("4","10","5","5","10","4","1") = "9"
    & skf18("4","10","5","5","10","5","1") = "9"
    & skf18("4","10","5","5","10","6","1") = "9"
    & skf18("4","10","5","5","10","7","1") = "9"
    & skf18("4","10","5","5","10","8","1") = "9"
    & skf18("4","10","5","5","10","9","1") = "9"
    & skf18("4","10","5","5","10","10","1") = "9"
    & skf18("4","10","5","6","1","1","1") = "9"
    & skf18("4","10","5","6","1","2","1") = "9"
    & skf18("4","10","5","6","1","3","1") = "9"
    & skf18("4","10","5","6","1","4","1") = "9"
    & skf18("4","10","5","6","1","5","1") = "9"
    & skf18("4","10","5","6","1","6","1") = "9"
    & skf18("4","10","5","6","1","7","1") = "9"
    & skf18("4","10","5","6","1","8","1") = "9"
    & skf18("4","10","5","6","1","9","1") = "9"
    & skf18("4","10","5","6","1","10","1") = "9"
    & skf18("4","10","5","6","2","1","1") = "9"
    & skf18("4","10","5","6","2","2","1") = "9"
    & skf18("4","10","5","6","2","3","1") = "9"
    & skf18("4","10","5","6","2","4","1") = "9"
    & skf18("4","10","5","6","2","5","1") = "9"
    & skf18("4","10","5","6","2","6","1") = "9"
    & skf18("4","10","5","6","2","7","1") = "9"
    & skf18("4","10","5","6","2","8","1") = "9"
    & skf18("4","10","5","6","2","9","1") = "9"
    & skf18("4","10","5","6","2","10","1") = "9"
    & skf18("4","10","5","6","3","1","1") = "9"
    & skf18("4","10","5","6","3","2","1") = "9"
    & skf18("4","10","5","6","3","3","1") = "9"
    & skf18("4","10","5","6","3","4","1") = "9"
    & skf18("4","10","5","6","3","5","1") = "9"
    & skf18("4","10","5","6","3","6","1") = "9"
    & skf18("4","10","5","6","3","7","1") = "9"
    & skf18("4","10","5","6","3","8","1") = "9"
    & skf18("4","10","5","6","3","9","1") = "9"
    & skf18("4","10","5","6","3","10","1") = "9"
    & skf18("4","10","5","6","4","1","1") = "9"
    & skf18("4","10","5","6","4","2","1") = "9"
    & skf18("4","10","5","6","4","3","1") = "9"
    & skf18("4","10","5","6","4","4","1") = "9"
    & skf18("4","10","5","6","4","5","1") = "9"
    & skf18("4","10","5","6","4","6","1") = "9"
    & skf18("4","10","5","6","4","7","1") = "9"
    & skf18("4","10","5","6","4","8","1") = "9"
    & skf18("4","10","5","6","4","9","1") = "9"
    & skf18("4","10","5","6","4","10","1") = "9"
    & skf18("4","10","5","6","5","1","1") = "9"
    & skf18("4","10","5","6","5","2","1") = "9"
    & skf18("4","10","5","6","5","3","1") = "9"
    & skf18("4","10","5","6","5","4","1") = "9"
    & skf18("4","10","5","6","5","5","1") = "9"
    & skf18("4","10","5","6","5","6","1") = "9"
    & skf18("4","10","5","6","5","7","1") = "9"
    & skf18("4","10","5","6","5","8","1") = "9"
    & skf18("4","10","5","6","5","9","1") = "9"
    & skf18("4","10","5","6","5","10","1") = "9"
    & skf18("4","10","5","6","6","1","1") = "9"
    & skf18("4","10","5","6","6","2","1") = "9"
    & skf18("4","10","5","6","6","3","1") = "9"
    & skf18("4","10","5","6","6","4","1") = "9"
    & skf18("4","10","5","6","6","5","1") = "9"
    & skf18("4","10","5","6","6","6","1") = "9"
    & skf18("4","10","5","6","6","7","1") = "9"
    & skf18("4","10","5","6","6","8","1") = "9"
    & skf18("4","10","5","6","6","9","1") = "9"
    & skf18("4","10","5","6","6","10","1") = "9"
    & skf18("4","10","5","6","7","1","1") = "9"
    & skf18("4","10","5","6","7","2","1") = "9"
    & skf18("4","10","5","6","7","3","1") = "9"
    & skf18("4","10","5","6","7","4","1") = "9"
    & skf18("4","10","5","6","7","5","1") = "9"
    & skf18("4","10","5","6","7","6","1") = "9"
    & skf18("4","10","5","6","7","7","1") = "9"
    & skf18("4","10","5","6","7","8","1") = "9"
    & skf18("4","10","5","6","7","9","1") = "9"
    & skf18("4","10","5","6","7","10","1") = "9"
    & skf18("4","10","5","6","8","1","1") = "9"
    & skf18("4","10","5","6","8","2","1") = "9"
    & skf18("4","10","5","6","8","3","1") = "9"
    & skf18("4","10","5","6","8","4","1") = "9"
    & skf18("4","10","5","6","8","5","1") = "9"
    & skf18("4","10","5","6","8","6","1") = "9"
    & skf18("4","10","5","6","8","7","1") = "9"
    & skf18("4","10","5","6","8","8","1") = "9"
    & skf18("4","10","5","6","8","9","1") = "9"
    & skf18("4","10","5","6","8","10","1") = "9"
    & skf18("4","10","5","6","9","1","1") = "9"
    & skf18("4","10","5","6","9","2","1") = "9"
    & skf18("4","10","5","6","9","3","1") = "9"
    & skf18("4","10","5","6","9","4","1") = "9"
    & skf18("4","10","5","6","9","5","1") = "9"
    & skf18("4","10","5","6","9","6","1") = "9"
    & skf18("4","10","5","6","9","7","1") = "9"
    & skf18("4","10","5","6","9","8","1") = "9"
    & skf18("4","10","5","6","9","9","1") = "9"
    & skf18("4","10","5","6","9","10","1") = "9"
    & skf18("4","10","5","6","10","1","1") = "9"
    & skf18("4","10","5","6","10","2","1") = "9"
    & skf18("4","10","5","6","10","3","1") = "9"
    & skf18("4","10","5","6","10","4","1") = "9"
    & skf18("4","10","5","6","10","5","1") = "9"
    & skf18("4","10","5","6","10","6","1") = "9"
    & skf18("4","10","5","6","10","7","1") = "9"
    & skf18("4","10","5","6","10","8","1") = "9"
    & skf18("4","10","5","6","10","9","1") = "9"
    & skf18("4","10","5","6","10","10","1") = "9"
    & skf18("4","10","5","7","1","1","1") = "9"
    & skf18("4","10","5","7","1","2","1") = "9"
    & skf18("4","10","5","7","1","3","1") = "9"
    & skf18("4","10","5","7","1","4","1") = "9"
    & skf18("4","10","5","7","1","5","1") = "9"
    & skf18("4","10","5","7","1","6","1") = "9"
    & skf18("4","10","5","7","1","7","1") = "9"
    & skf18("4","10","5","7","1","8","1") = "9"
    & skf18("4","10","5","7","1","9","1") = "9"
    & skf18("4","10","5","7","1","10","1") = "9"
    & skf18("4","10","5","7","2","1","1") = "9"
    & skf18("4","10","5","7","2","2","1") = "9"
    & skf18("4","10","5","7","2","3","1") = "9"
    & skf18("4","10","5","7","2","4","1") = "9"
    & skf18("4","10","5","7","2","5","1") = "9"
    & skf18("4","10","5","7","2","6","1") = "9"
    & skf18("4","10","5","7","2","7","1") = "9"
    & skf18("4","10","5","7","2","8","1") = "9"
    & skf18("4","10","5","7","2","9","1") = "9"
    & skf18("4","10","5","7","2","10","1") = "9"
    & skf18("4","10","5","7","3","1","1") = "9"
    & skf18("4","10","5","7","3","2","1") = "9"
    & skf18("4","10","5","7","3","3","1") = "9"
    & skf18("4","10","5","7","3","4","1") = "9"
    & skf18("4","10","5","7","3","5","1") = "9"
    & skf18("4","10","5","7","3","6","1") = "9"
    & skf18("4","10","5","7","3","7","1") = "9"
    & skf18("4","10","5","7","3","8","1") = "9"
    & skf18("4","10","5","7","3","9","1") = "9"
    & skf18("4","10","5","7","3","10","1") = "9"
    & skf18("4","10","5","7","4","1","1") = "9"
    & skf18("4","10","5","7","4","2","1") = "9"
    & skf18("4","10","5","7","4","3","1") = "9"
    & skf18("4","10","5","7","4","4","1") = "9"
    & skf18("4","10","5","7","4","5","1") = "9"
    & skf18("4","10","5","7","4","6","1") = "9"
    & skf18("4","10","5","7","4","7","1") = "9"
    & skf18("4","10","5","7","4","8","1") = "9"
    & skf18("4","10","5","7","4","9","1") = "9"
    & skf18("4","10","5","7","4","10","1") = "9"
    & skf18("4","10","5","7","5","1","1") = "9"
    & skf18("4","10","5","7","5","2","1") = "9"
    & skf18("4","10","5","7","5","3","1") = "9"
    & skf18("4","10","5","7","5","4","1") = "9"
    & skf18("4","10","5","7","5","5","1") = "9"
    & skf18("4","10","5","7","5","6","1") = "9"
    & skf18("4","10","5","7","5","7","1") = "9"
    & skf18("4","10","5","7","5","8","1") = "9"
    & skf18("4","10","5","7","5","9","1") = "9"
    & skf18("4","10","5","7","5","10","1") = "9"
    & skf18("4","10","5","7","6","1","1") = "9"
    & skf18("4","10","5","7","6","2","1") = "9"
    & skf18("4","10","5","7","6","3","1") = "9"
    & skf18("4","10","5","7","6","4","1") = "9"
    & skf18("4","10","5","7","6","5","1") = "9"
    & skf18("4","10","5","7","6","6","1") = "9"
    & skf18("4","10","5","7","6","7","1") = "9"
    & skf18("4","10","5","7","6","8","1") = "9"
    & skf18("4","10","5","7","6","9","1") = "9"
    & skf18("4","10","5","7","6","10","1") = "9"
    & skf18("4","10","5","7","7","1","1") = "9"
    & skf18("4","10","5","7","7","2","1") = "9"
    & skf18("4","10","5","7","7","3","1") = "9"
    & skf18("4","10","5","7","7","4","1") = "9"
    & skf18("4","10","5","7","7","5","1") = "9"
    & skf18("4","10","5","7","7","6","1") = "9"
    & skf18("4","10","5","7","7","7","1") = "9"
    & skf18("4","10","5","7","7","8","1") = "9"
    & skf18("4","10","5","7","7","9","1") = "9"
    & skf18("4","10","5","7","7","10","1") = "9"
    & skf18("4","10","5","7","8","1","1") = "9"
    & skf18("4","10","5","7","8","2","1") = "9"
    & skf18("4","10","5","7","8","3","1") = "9"
    & skf18("4","10","5","7","8","4","1") = "9"
    & skf18("4","10","5","7","8","5","1") = "9"
    & skf18("4","10","5","7","8","6","1") = "9"
    & skf18("4","10","5","7","8","7","1") = "9"
    & skf18("4","10","5","7","8","8","1") = "9"
    & skf18("4","10","5","7","8","9","1") = "9"
    & skf18("4","10","5","7","8","10","1") = "9"
    & skf18("4","10","5","7","9","1","1") = "9"
    & skf18("4","10","5","7","9","2","1") = "9"
    & skf18("4","10","5","7","9","3","1") = "9"
    & skf18("4","10","5","7","9","4","1") = "9"
    & skf18("4","10","5","7","9","5","1") = "9"
    & skf18("4","10","5","7","9","6","1") = "9"
    & skf18("4","10","5","7","9","7","1") = "9"
    & skf18("4","10","5","7","9","8","1") = "9"
    & skf18("4","10","5","7","9","9","1") = "9"
    & skf18("4","10","5","7","9","10","1") = "9"
    & skf18("4","10","5","7","10","1","1") = "9"
    & skf18("4","10","5","7","10","2","1") = "9"
    & skf18("4","10","5","7","10","3","1") = "9"
    & skf18("4","10","5","7","10","4","1") = "9"
    & skf18("4","10","5","7","10","5","1") = "9"
    & skf18("4","10","5","7","10","6","1") = "9"
    & skf18("4","10","5","7","10","7","1") = "9"
    & skf18("4","10","5","7","10","8","1") = "9"
    & skf18("4","10","5","7","10","9","1") = "9"
    & skf18("4","10","5","7","10","10","1") = "9"
    & skf18("4","10","5","8","1","1","1") = "9"
    & skf18("4","10","5","8","1","2","1") = "9"
    & skf18("4","10","5","8","1","3","1") = "9"
    & skf18("4","10","5","8","1","4","1") = "9"
    & skf18("4","10","5","8","1","5","1") = "9"
    & skf18("4","10","5","8","1","6","1") = "9"
    & skf18("4","10","5","8","1","7","1") = "9"
    & skf18("4","10","5","8","1","8","1") = "9"
    & skf18("4","10","5","8","1","9","1") = "9"
    & skf18("4","10","5","8","1","10","1") = "9"
    & skf18("4","10","5","8","2","1","1") = "9"
    & skf18("4","10","5","8","2","2","1") = "9"
    & skf18("4","10","5","8","2","3","1") = "9"
    & skf18("4","10","5","8","2","4","1") = "9"
    & skf18("4","10","5","8","2","5","1") = "9"
    & skf18("4","10","5","8","2","6","1") = "9"
    & skf18("4","10","5","8","2","7","1") = "9"
    & skf18("4","10","5","8","2","8","1") = "9"
    & skf18("4","10","5","8","2","9","1") = "9"
    & skf18("4","10","5","8","2","10","1") = "9"
    & skf18("4","10","5","8","3","1","1") = "9"
    & skf18("4","10","5","8","3","2","1") = "9"
    & skf18("4","10","5","8","3","3","1") = "9"
    & skf18("4","10","5","8","3","4","1") = "9"
    & skf18("4","10","5","8","3","5","1") = "9"
    & skf18("4","10","5","8","3","6","1") = "9"
    & skf18("4","10","5","8","3","7","1") = "9"
    & skf18("4","10","5","8","3","8","1") = "9"
    & skf18("4","10","5","8","3","9","1") = "9"
    & skf18("4","10","5","8","3","10","1") = "9"
    & skf18("4","10","5","8","4","1","1") = "9"
    & skf18("4","10","5","8","4","2","1") = "9"
    & skf18("4","10","5","8","4","3","1") = "9"
    & skf18("4","10","5","8","4","4","1") = "9"
    & skf18("4","10","5","8","4","5","1") = "9"
    & skf18("4","10","5","8","4","6","1") = "9"
    & skf18("4","10","5","8","4","7","1") = "9"
    & skf18("4","10","5","8","4","8","1") = "9"
    & skf18("4","10","5","8","4","9","1") = "9"
    & skf18("4","10","5","8","4","10","1") = "9"
    & skf18("4","10","5","8","5","1","1") = "9"
    & skf18("4","10","5","8","5","2","1") = "9"
    & skf18("4","10","5","8","5","3","1") = "9"
    & skf18("4","10","5","8","5","4","1") = "9"
    & skf18("4","10","5","8","5","5","1") = "9"
    & skf18("4","10","5","8","5","6","1") = "9"
    & skf18("4","10","5","8","5","7","1") = "9"
    & skf18("4","10","5","8","5","8","1") = "9"
    & skf18("4","10","5","8","5","9","1") = "9"
    & skf18("4","10","5","8","5","10","1") = "9"
    & skf18("4","10","5","8","6","1","1") = "9"
    & skf18("4","10","5","8","6","2","1") = "9"
    & skf18("4","10","5","8","6","3","1") = "9"
    & skf18("4","10","5","8","6","4","1") = "9"
    & skf18("4","10","5","8","6","5","1") = "9"
    & skf18("4","10","5","8","6","6","1") = "9"
    & skf18("4","10","5","8","6","7","1") = "9"
    & skf18("4","10","5","8","6","8","1") = "9"
    & skf18("4","10","5","8","6","9","1") = "9"
    & skf18("4","10","5","8","6","10","1") = "9"
    & skf18("4","10","5","8","7","1","1") = "9"
    & skf18("4","10","5","8","7","2","1") = "9"
    & skf18("4","10","5","8","7","3","1") = "9"
    & skf18("4","10","5","8","7","4","1") = "9"
    & skf18("4","10","5","8","7","5","1") = "9"
    & skf18("4","10","5","8","7","6","1") = "9"
    & skf18("4","10","5","8","7","7","1") = "9"
    & skf18("4","10","5","8","7","8","1") = "9"
    & skf18("4","10","5","8","7","9","1") = "9"
    & skf18("4","10","5","8","7","10","1") = "9"
    & skf18("4","10","5","8","8","1","1") = "9"
    & skf18("4","10","5","8","8","2","1") = "9"
    & skf18("4","10","5","8","8","3","1") = "9"
    & skf18("4","10","5","8","8","4","1") = "9"
    & skf18("4","10","5","8","8","5","1") = "9"
    & skf18("4","10","5","8","8","6","1") = "9"
    & skf18("4","10","5","8","8","7","1") = "9"
    & skf18("4","10","5","8","8","8","1") = "9"
    & skf18("4","10","5","8","8","9","1") = "9"
    & skf18("4","10","5","8","8","10","1") = "9"
    & skf18("4","10","5","8","9","1","1") = "9"
    & skf18("4","10","5","8","9","2","1") = "9"
    & skf18("4","10","5","8","9","3","1") = "9"
    & skf18("4","10","5","8","9","4","1") = "9"
    & skf18("4","10","5","8","9","5","1") = "9"
    & skf18("4","10","5","8","9","6","1") = "9"
    & skf18("4","10","5","8","9","7","1") = "9"
    & skf18("4","10","5","8","9","8","1") = "9"
    & skf18("4","10","5","8","9","9","1") = "9"
    & skf18("4","10","5","8","9","10","1") = "9"
    & skf18("4","10","5","8","10","1","1") = "9"
    & skf18("4","10","5","8","10","2","1") = "9"
    & skf18("4","10","5","8","10","3","1") = "9"
    & skf18("4","10","5","8","10","4","1") = "9"
    & skf18("4","10","5","8","10","5","1") = "9"
    & skf18("4","10","5","8","10","6","1") = "9"
    & skf18("4","10","5","8","10","7","1") = "9"
    & skf18("4","10","5","8","10","8","1") = "9"
    & skf18("4","10","5","8","10","9","1") = "9"
    & skf18("4","10","5","8","10","10","1") = "9"
    & skf18("4","10","5","9","1","1","1") = "9"
    & skf18("4","10","5","9","1","2","1") = "9"
    & skf18("4","10","5","9","1","3","1") = "9"
    & skf18("4","10","5","9","1","4","1") = "9"
    & skf18("4","10","5","9","1","5","1") = "9"
    & skf18("4","10","5","9","1","6","1") = "9"
    & skf18("4","10","5","9","1","7","1") = "9"
    & skf18("4","10","5","9","1","8","1") = "9"
    & skf18("4","10","5","9","1","9","1") = "9"
    & skf18("4","10","5","9","1","10","1") = "9"
    & skf18("4","10","5","9","2","1","1") = "9"
    & skf18("4","10","5","9","2","2","1") = "9"
    & skf18("4","10","5","9","2","3","1") = "9"
    & skf18("4","10","5","9","2","4","1") = "9"
    & skf18("4","10","5","9","2","5","1") = "9"
    & skf18("4","10","5","9","2","6","1") = "9"
    & skf18("4","10","5","9","2","7","1") = "9"
    & skf18("4","10","5","9","2","8","1") = "9"
    & skf18("4","10","5","9","2","9","1") = "9"
    & skf18("4","10","5","9","2","10","1") = "9"
    & skf18("4","10","5","9","3","1","1") = "9"
    & skf18("4","10","5","9","3","2","1") = "9"
    & skf18("4","10","5","9","3","3","1") = "9"
    & skf18("4","10","5","9","3","4","1") = "9"
    & skf18("4","10","5","9","3","5","1") = "9"
    & skf18("4","10","5","9","3","6","1") = "9"
    & skf18("4","10","5","9","3","7","1") = "9"
    & skf18("4","10","5","9","3","8","1") = "9"
    & skf18("4","10","5","9","3","9","1") = "9"
    & skf18("4","10","5","9","3","10","1") = "9"
    & skf18("4","10","5","9","4","1","1") = "9"
    & skf18("4","10","5","9","4","2","1") = "9"
    & skf18("4","10","5","9","4","3","1") = "9"
    & skf18("4","10","5","9","4","4","1") = "9"
    & skf18("4","10","5","9","4","5","1") = "9"
    & skf18("4","10","5","9","4","6","1") = "9"
    & skf18("4","10","5","9","4","7","1") = "9"
    & skf18("4","10","5","9","4","8","1") = "9"
    & skf18("4","10","5","9","4","9","1") = "9"
    & skf18("4","10","5","9","4","10","1") = "9"
    & skf18("4","10","5","9","5","1","1") = "9"
    & skf18("4","10","5","9","5","2","1") = "9"
    & skf18("4","10","5","9","5","3","1") = "9"
    & skf18("4","10","5","9","5","4","1") = "9"
    & skf18("4","10","5","9","5","5","1") = "9"
    & skf18("4","10","5","9","5","6","1") = "9"
    & skf18("4","10","5","9","5","7","1") = "9"
    & skf18("4","10","5","9","5","8","1") = "9"
    & skf18("4","10","5","9","5","9","1") = "9"
    & skf18("4","10","5","9","5","10","1") = "9"
    & skf18("4","10","5","9","6","1","1") = "9"
    & skf18("4","10","5","9","6","2","1") = "9"
    & skf18("4","10","5","9","6","3","1") = "9"
    & skf18("4","10","5","9","6","4","1") = "9"
    & skf18("4","10","5","9","6","5","1") = "9"
    & skf18("4","10","5","9","6","6","1") = "9"
    & skf18("4","10","5","9","6","7","1") = "9"
    & skf18("4","10","5","9","6","8","1") = "9"
    & skf18("4","10","5","9","6","9","1") = "9"
    & skf18("4","10","5","9","6","10","1") = "9"
    & skf18("4","10","5","9","7","1","1") = "9"
    & skf18("4","10","5","9","7","2","1") = "9"
    & skf18("4","10","5","9","7","3","1") = "9"
    & skf18("4","10","5","9","7","4","1") = "9"
    & skf18("4","10","5","9","7","5","1") = "9"
    & skf18("4","10","5","9","7","6","1") = "9"
    & skf18("4","10","5","9","7","7","1") = "9"
    & skf18("4","10","5","9","7","8","1") = "9"
    & skf18("4","10","5","9","7","9","1") = "9"
    & skf18("4","10","5","9","7","10","1") = "9"
    & skf18("4","10","5","9","8","1","1") = "9"
    & skf18("4","10","5","9","8","2","1") = "9"
    & skf18("4","10","5","9","8","3","1") = "9"
    & skf18("4","10","5","9","8","4","1") = "9"
    & skf18("4","10","5","9","8","5","1") = "9"
    & skf18("4","10","5","9","8","6","1") = "9"
    & skf18("4","10","5","9","8","7","1") = "9"
    & skf18("4","10","5","9","8","8","1") = "9"
    & skf18("4","10","5","9","8","9","1") = "9"
    & skf18("4","10","5","9","8","10","1") = "9"
    & skf18("4","10","5","9","9","1","1") = "9"
    & skf18("4","10","5","9","9","2","1") = "9"
    & skf18("4","10","5","9","9","3","1") = "9"
    & skf18("4","10","5","9","9","4","1") = "9"
    & skf18("4","10","5","9","9","5","1") = "9"
    & skf18("4","10","5","9","9","6","1") = "9"
    & skf18("4","10","5","9","9","7","1") = "9"
    & skf18("4","10","5","9","9","8","1") = "9"
    & skf18("4","10","5","9","9","9","1") = "9"
    & skf18("4","10","5","9","9","10","1") = "9"
    & skf18("4","10","5","9","10","1","1") = "9"
    & skf18("4","10","5","9","10","2","1") = "9"
    & skf18("4","10","5","9","10","3","1") = "9"
    & skf18("4","10","5","9","10","4","1") = "9"
    & skf18("4","10","5","9","10","5","1") = "9"
    & skf18("4","10","5","9","10","6","1") = "9"
    & skf18("4","10","5","9","10","7","1") = "9"
    & skf18("4","10","5","9","10","8","1") = "9"
    & skf18("4","10","5","9","10","9","1") = "9"
    & skf18("4","10","5","9","10","10","1") = "9"
    & skf18("4","10","5","10","1","1","1") = "9"
    & skf18("4","10","5","10","1","2","1") = "9"
    & skf18("4","10","5","10","1","3","1") = "9"
    & skf18("4","10","5","10","1","4","1") = "9"
    & skf18("4","10","5","10","1","5","1") = "9"
    & skf18("4","10","5","10","1","6","1") = "9"
    & skf18("4","10","5","10","1","7","1") = "9"
    & skf18("4","10","5","10","1","8","1") = "9"
    & skf18("4","10","5","10","1","9","1") = "9"
    & skf18("4","10","5","10","1","10","1") = "9"
    & skf18("4","10","5","10","2","1","1") = "9"
    & skf18("4","10","5","10","2","2","1") = "9"
    & skf18("4","10","5","10","2","3","1") = "9"
    & skf18("4","10","5","10","2","4","1") = "9"
    & skf18("4","10","5","10","2","5","1") = "9"
    & skf18("4","10","5","10","2","6","1") = "9"
    & skf18("4","10","5","10","2","7","1") = "9"
    & skf18("4","10","5","10","2","8","1") = "9"
    & skf18("4","10","5","10","2","9","1") = "9"
    & skf18("4","10","5","10","2","10","1") = "9"
    & skf18("4","10","5","10","3","1","1") = "9"
    & skf18("4","10","5","10","3","2","1") = "9"
    & skf18("4","10","5","10","3","3","1") = "9"
    & skf18("4","10","5","10","3","4","1") = "9"
    & skf18("4","10","5","10","3","5","1") = "9"
    & skf18("4","10","5","10","3","6","1") = "9"
    & skf18("4","10","5","10","3","7","1") = "9"
    & skf18("4","10","5","10","3","8","1") = "9"
    & skf18("4","10","5","10","3","9","1") = "9"
    & skf18("4","10","5","10","3","10","1") = "9"
    & skf18("4","10","5","10","4","1","1") = "9"
    & skf18("4","10","5","10","4","2","1") = "9"
    & skf18("4","10","5","10","4","3","1") = "9"
    & skf18("4","10","5","10","4","4","1") = "9"
    & skf18("4","10","5","10","4","5","1") = "9"
    & skf18("4","10","5","10","4","6","1") = "9"
    & skf18("4","10","5","10","4","7","1") = "9"
    & skf18("4","10","5","10","4","8","1") = "9"
    & skf18("4","10","5","10","4","9","1") = "9"
    & skf18("4","10","5","10","4","10","1") = "9"
    & skf18("4","10","5","10","5","1","1") = "9"
    & skf18("4","10","5","10","5","2","1") = "9"
    & skf18("4","10","5","10","5","3","1") = "9"
    & skf18("4","10","5","10","5","4","1") = "9"
    & skf18("4","10","5","10","5","5","1") = "9"
    & skf18("4","10","5","10","5","6","1") = "9"
    & skf18("4","10","5","10","5","7","1") = "9"
    & skf18("4","10","5","10","5","8","1") = "9"
    & skf18("4","10","5","10","5","9","1") = "9"
    & skf18("4","10","5","10","5","10","1") = "9"
    & skf18("4","10","5","10","6","1","1") = "9"
    & skf18("4","10","5","10","6","2","1") = "9"
    & skf18("4","10","5","10","6","3","1") = "9"
    & skf18("4","10","5","10","6","4","1") = "9"
    & skf18("4","10","5","10","6","5","1") = "9"
    & skf18("4","10","5","10","6","6","1") = "9"
    & skf18("4","10","5","10","6","7","1") = "9"
    & skf18("4","10","5","10","6","8","1") = "9"
    & skf18("4","10","5","10","6","9","1") = "9"
    & skf18("4","10","5","10","6","10","1") = "9"
    & skf18("4","10","5","10","7","1","1") = "9"
    & skf18("4","10","5","10","7","2","1") = "9"
    & skf18("4","10","5","10","7","3","1") = "9"
    & skf18("4","10","5","10","7","4","1") = "9"
    & skf18("4","10","5","10","7","5","1") = "9"
    & skf18("4","10","5","10","7","6","1") = "9"
    & skf18("4","10","5","10","7","7","1") = "9"
    & skf18("4","10","5","10","7","8","1") = "9"
    & skf18("4","10","5","10","7","9","1") = "9"
    & skf18("4","10","5","10","7","10","1") = "9"
    & skf18("4","10","5","10","8","1","1") = "9"
    & skf18("4","10","5","10","8","2","1") = "9"
    & skf18("4","10","5","10","8","3","1") = "9"
    & skf18("4","10","5","10","8","4","1") = "9"
    & skf18("4","10","5","10","8","5","1") = "9"
    & skf18("4","10","5","10","8","6","1") = "9"
    & skf18("4","10","5","10","8","7","1") = "9"
    & skf18("4","10","5","10","8","8","1") = "9"
    & skf18("4","10","5","10","8","9","1") = "9"
    & skf18("4","10","5","10","8","10","1") = "9"
    & skf18("4","10","5","10","9","1","1") = "9"
    & skf18("4","10","5","10","9","2","1") = "9"
    & skf18("4","10","5","10","9","3","1") = "9"
    & skf18("4","10","5","10","9","4","1") = "9"
    & skf18("4","10","5","10","9","5","1") = "9"
    & skf18("4","10","5","10","9","6","1") = "9"
    & skf18("4","10","5","10","9","7","1") = "9"
    & skf18("4","10","5","10","9","8","1") = "9"
    & skf18("4","10","5","10","9","9","1") = "9"
    & skf18("4","10","5","10","9","10","1") = "9"
    & skf18("4","10","5","10","10","1","1") = "9"
    & skf18("4","10","5","10","10","2","1") = "9"
    & skf18("4","10","5","10","10","3","1") = "9"
    & skf18("4","10","5","10","10","4","1") = "9"
    & skf18("4","10","5","10","10","5","1") = "9"
    & skf18("4","10","5","10","10","6","1") = "9"
    & skf18("4","10","5","10","10","7","1") = "9"
    & skf18("4","10","5","10","10","8","1") = "9"
    & skf18("4","10","5","10","10","9","1") = "9"
    & skf18("4","10","5","10","10","10","1") = "9"
    & skf18("4","10","6","1","1","1","1") = "9"
    & skf18("4","10","6","1","1","2","1") = "9"
    & skf18("4","10","6","1","1","3","1") = "9"
    & skf18("4","10","6","1","1","4","1") = "9"
    & skf18("4","10","6","1","1","5","1") = "9"
    & skf18("4","10","6","1","1","6","1") = "9"
    & skf18("4","10","6","1","1","7","1") = "9"
    & skf18("4","10","6","1","1","8","1") = "9"
    & skf18("4","10","6","1","1","9","1") = "9"
    & skf18("4","10","6","1","1","10","1") = "9"
    & skf18("4","10","6","1","2","1","1") = "9"
    & skf18("4","10","6","1","2","2","1") = "9"
    & skf18("4","10","6","1","2","3","1") = "9"
    & skf18("4","10","6","1","2","4","1") = "9"
    & skf18("4","10","6","1","2","5","1") = "9"
    & skf18("4","10","6","1","2","6","1") = "9"
    & skf18("4","10","6","1","2","7","1") = "9"
    & skf18("4","10","6","1","2","8","1") = "9"
    & skf18("4","10","6","1","2","9","1") = "9"
    & skf18("4","10","6","1","2","10","1") = "9"
    & skf18("4","10","6","1","3","1","1") = "9"
    & skf18("4","10","6","1","3","2","1") = "9"
    & skf18("4","10","6","1","3","3","1") = "9"
    & skf18("4","10","6","1","3","4","1") = "9"
    & skf18("4","10","6","1","3","5","1") = "9"
    & skf18("4","10","6","1","3","6","1") = "9"
    & skf18("4","10","6","1","3","7","1") = "9"
    & skf18("4","10","6","1","3","8","1") = "9"
    & skf18("4","10","6","1","3","9","1") = "9"
    & skf18("4","10","6","1","3","10","1") = "9"
    & skf18("4","10","6","1","4","1","1") = "9"
    & skf18("4","10","6","1","4","2","1") = "9"
    & skf18("4","10","6","1","4","3","1") = "9"
    & skf18("4","10","6","1","4","4","1") = "9"
    & skf18("4","10","6","1","4","5","1") = "9"
    & skf18("4","10","6","1","4","6","1") = "9"
    & skf18("4","10","6","1","4","7","1") = "9"
    & skf18("4","10","6","1","4","8","1") = "9"
    & skf18("4","10","6","1","4","9","1") = "9"
    & skf18("4","10","6","1","4","10","1") = "9"
    & skf18("4","10","6","1","5","1","1") = "9"
    & skf18("4","10","6","1","5","2","1") = "9"
    & skf18("4","10","6","1","5","3","1") = "9"
    & skf18("4","10","6","1","5","4","1") = "9"
    & skf18("4","10","6","1","5","5","1") = "9"
    & skf18("4","10","6","1","5","6","1") = "9"
    & skf18("4","10","6","1","5","7","1") = "9"
    & skf18("4","10","6","1","5","8","1") = "9"
    & skf18("4","10","6","1","5","9","1") = "9"
    & skf18("4","10","6","1","5","10","1") = "9"
    & skf18("4","10","6","1","6","1","1") = "9"
    & skf18("4","10","6","1","6","2","1") = "9"
    & skf18("4","10","6","1","6","3","1") = "9"
    & skf18("4","10","6","1","6","4","1") = "9"
    & skf18("4","10","6","1","6","5","1") = "9"
    & skf18("4","10","6","1","6","6","1") = "9"
    & skf18("4","10","6","1","6","7","1") = "9"
    & skf18("4","10","6","1","6","8","1") = "9"
    & skf18("4","10","6","1","6","9","1") = "9"
    & skf18("4","10","6","1","6","10","1") = "9"
    & skf18("4","10","6","1","7","1","1") = "9"
    & skf18("4","10","6","1","7","2","1") = "9"
    & skf18("4","10","6","1","7","3","1") = "9"
    & skf18("4","10","6","1","7","4","1") = "9"
    & skf18("4","10","6","1","7","5","1") = "9"
    & skf18("4","10","6","1","7","6","1") = "9"
    & skf18("4","10","6","1","7","7","1") = "9"
    & skf18("4","10","6","1","7","8","1") = "9"
    & skf18("4","10","6","1","7","9","1") = "9"
    & skf18("4","10","6","1","7","10","1") = "9"
    & skf18("4","10","6","1","8","1","1") = "9"
    & skf18("4","10","6","1","8","2","1") = "9"
    & skf18("4","10","6","1","8","3","1") = "9"
    & skf18("4","10","6","1","8","4","1") = "9"
    & skf18("4","10","6","1","8","5","1") = "9"
    & skf18("4","10","6","1","8","6","1") = "9"
    & skf18("4","10","6","1","8","7","1") = "9"
    & skf18("4","10","6","1","8","8","1") = "9"
    & skf18("4","10","6","1","8","9","1") = "9"
    & skf18("4","10","6","1","8","10","1") = "9"
    & skf18("4","10","6","1","9","1","1") = "9"
    & skf18("4","10","6","1","9","2","1") = "9"
    & skf18("4","10","6","1","9","3","1") = "9"
    & skf18("4","10","6","1","9","4","1") = "9"
    & skf18("4","10","6","1","9","5","1") = "9"
    & skf18("4","10","6","1","9","6","1") = "9"
    & skf18("4","10","6","1","9","7","1") = "9"
    & skf18("4","10","6","1","9","8","1") = "9"
    & skf18("4","10","6","1","9","9","1") = "9"
    & skf18("4","10","6","1","9","10","1") = "9"
    & skf18("4","10","6","1","10","1","1") = "9"
    & skf18("4","10","6","1","10","2","1") = "9"
    & skf18("4","10","6","1","10","3","1") = "9"
    & skf18("4","10","6","1","10","4","1") = "9"
    & skf18("4","10","6","1","10","5","1") = "9"
    & skf18("4","10","6","1","10","6","1") = "9"
    & skf18("4","10","6","1","10","7","1") = "9"
    & skf18("4","10","6","1","10","8","1") = "9"
    & skf18("4","10","6","1","10","9","1") = "9"
    & skf18("4","10","6","1","10","10","1") = "9"
    & skf18("4","10","6","2","1","1","1") = "9"
    & skf18("4","10","6","2","1","2","1") = "9"
    & skf18("4","10","6","2","1","3","1") = "9"
    & skf18("4","10","6","2","1","4","1") = "9"
    & skf18("4","10","6","2","1","5","1") = "9"
    & skf18("4","10","6","2","1","6","1") = "9"
    & skf18("4","10","6","2","1","7","1") = "9"
    & skf18("4","10","6","2","1","8","1") = "9"
    & skf18("4","10","6","2","1","9","1") = "9"
    & skf18("4","10","6","2","1","10","1") = "9"
    & skf18("4","10","6","2","2","1","1") = "9"
    & skf18("4","10","6","2","2","2","1") = "9"
    & skf18("4","10","6","2","2","3","1") = "9"
    & skf18("4","10","6","2","2","4","1") = "9"
    & skf18("4","10","6","2","2","5","1") = "9"
    & skf18("4","10","6","2","2","6","1") = "9"
    & skf18("4","10","6","2","2","7","1") = "9"
    & skf18("4","10","6","2","2","8","1") = "9"
    & skf18("4","10","6","2","2","9","1") = "9"
    & skf18("4","10","6","2","2","10","1") = "9"
    & skf18("4","10","6","2","3","1","1") = "9"
    & skf18("4","10","6","2","3","2","1") = "9"
    & skf18("4","10","6","2","3","3","1") = "9"
    & skf18("4","10","6","2","3","4","1") = "9"
    & skf18("4","10","6","2","3","5","1") = "9"
    & skf18("4","10","6","2","3","6","1") = "9"
    & skf18("4","10","6","2","3","7","1") = "9"
    & skf18("4","10","6","2","3","8","1") = "9"
    & skf18("4","10","6","2","3","9","1") = "9"
    & skf18("4","10","6","2","3","10","1") = "9"
    & skf18("4","10","6","2","4","1","1") = "9"
    & skf18("4","10","6","2","4","2","1") = "9"
    & skf18("4","10","6","2","4","3","1") = "9"
    & skf18("4","10","6","2","4","4","1") = "9"
    & skf18("4","10","6","2","4","5","1") = "9"
    & skf18("4","10","6","2","4","6","1") = "9"
    & skf18("4","10","6","2","4","7","1") = "9"
    & skf18("4","10","6","2","4","8","1") = "9"
    & skf18("4","10","6","2","4","9","1") = "9"
    & skf18("4","10","6","2","4","10","1") = "9"
    & skf18("4","10","6","2","5","1","1") = "9"
    & skf18("4","10","6","2","5","2","1") = "9"
    & skf18("4","10","6","2","5","3","1") = "9"
    & skf18("4","10","6","2","5","4","1") = "9"
    & skf18("4","10","6","2","5","5","1") = "9"
    & skf18("4","10","6","2","5","6","1") = "9"
    & skf18("4","10","6","2","5","7","1") = "9"
    & skf18("4","10","6","2","5","8","1") = "9"
    & skf18("4","10","6","2","5","9","1") = "9"
    & skf18("4","10","6","2","5","10","1") = "9"
    & skf18("4","10","6","2","6","1","1") = "9"
    & skf18("4","10","6","2","6","2","1") = "9"
    & skf18("4","10","6","2","6","3","1") = "9"
    & skf18("4","10","6","2","6","4","1") = "9"
    & skf18("4","10","6","2","6","5","1") = "9"
    & skf18("4","10","6","2","6","6","1") = "9"
    & skf18("4","10","6","2","6","7","1") = "9"
    & skf18("4","10","6","2","6","8","1") = "9"
    & skf18("4","10","6","2","6","9","1") = "9"
    & skf18("4","10","6","2","6","10","1") = "9"
    & skf18("4","10","6","2","7","1","1") = "9"
    & skf18("4","10","6","2","7","2","1") = "9"
    & skf18("4","10","6","2","7","3","1") = "9"
    & skf18("4","10","6","2","7","4","1") = "9"
    & skf18("4","10","6","2","7","5","1") = "9"
    & skf18("4","10","6","2","7","6","1") = "9"
    & skf18("4","10","6","2","7","7","1") = "9"
    & skf18("4","10","6","2","7","8","1") = "9"
    & skf18("4","10","6","2","7","9","1") = "9"
    & skf18("4","10","6","2","7","10","1") = "9"
    & skf18("4","10","6","2","8","1","1") = "9"
    & skf18("4","10","6","2","8","2","1") = "9"
    & skf18("4","10","6","2","8","3","1") = "9"
    & skf18("4","10","6","2","8","4","1") = "9"
    & skf18("4","10","6","2","8","5","1") = "9"
    & skf18("4","10","6","2","8","6","1") = "9"
    & skf18("4","10","6","2","8","7","1") = "9"
    & skf18("4","10","6","2","8","8","1") = "9"
    & skf18("4","10","6","2","8","9","1") = "9"
    & skf18("4","10","6","2","8","10","1") = "9"
    & skf18("4","10","6","2","9","1","1") = "9"
    & skf18("4","10","6","2","9","2","1") = "9"
    & skf18("4","10","6","2","9","3","1") = "9"
    & skf18("4","10","6","2","9","4","1") = "9"
    & skf18("4","10","6","2","9","5","1") = "9"
    & skf18("4","10","6","2","9","6","1") = "9"
    & skf18("4","10","6","2","9","7","1") = "9"
    & skf18("4","10","6","2","9","8","1") = "9"
    & skf18("4","10","6","2","9","9","1") = "9"
    & skf18("4","10","6","2","9","10","1") = "9"
    & skf18("4","10","6","2","10","1","1") = "9"
    & skf18("4","10","6","2","10","2","1") = "9"
    & skf18("4","10","6","2","10","3","1") = "9"
    & skf18("4","10","6","2","10","4","1") = "9"
    & skf18("4","10","6","2","10","5","1") = "9"
    & skf18("4","10","6","2","10","6","1") = "9"
    & skf18("4","10","6","2","10","7","1") = "9"
    & skf18("4","10","6","2","10","8","1") = "9"
    & skf18("4","10","6","2","10","9","1") = "9"
    & skf18("4","10","6","2","10","10","1") = "9"
    & skf18("4","10","6","3","1","1","1") = "9"
    & skf18("4","10","6","3","1","2","1") = "9"
    & skf18("4","10","6","3","1","3","1") = "9"
    & skf18("4","10","6","3","1","4","1") = "9"
    & skf18("4","10","6","3","1","5","1") = "9"
    & skf18("4","10","6","3","1","6","1") = "9"
    & skf18("4","10","6","3","1","7","1") = "9"
    & skf18("4","10","6","3","1","8","1") = "9"
    & skf18("4","10","6","3","1","9","1") = "9"
    & skf18("4","10","6","3","1","10","1") = "9"
    & skf18("4","10","6","3","2","1","1") = "9"
    & skf18("4","10","6","3","2","2","1") = "9"
    & skf18("4","10","6","3","2","3","1") = "9"
    & skf18("4","10","6","3","2","4","1") = "9"
    & skf18("4","10","6","3","2","5","1") = "9"
    & skf18("4","10","6","3","2","6","1") = "9"
    & skf18("4","10","6","3","2","7","1") = "9"
    & skf18("4","10","6","3","2","8","1") = "9"
    & skf18("4","10","6","3","2","9","1") = "9"
    & skf18("4","10","6","3","2","10","1") = "9"
    & skf18("4","10","6","3","3","1","1") = "9"
    & skf18("4","10","6","3","3","2","1") = "9"
    & skf18("4","10","6","3","3","3","1") = "9"
    & skf18("4","10","6","3","3","4","1") = "9"
    & skf18("4","10","6","3","3","5","1") = "9"
    & skf18("4","10","6","3","3","6","1") = "9"
    & skf18("4","10","6","3","3","7","1") = "9"
    & skf18("4","10","6","3","3","8","1") = "9"
    & skf18("4","10","6","3","3","9","1") = "9"
    & skf18("4","10","6","3","3","10","1") = "9"
    & skf18("4","10","6","3","4","1","1") = "9"
    & skf18("4","10","6","3","4","2","1") = "9"
    & skf18("4","10","6","3","4","3","1") = "9"
    & skf18("4","10","6","3","4","4","1") = "9"
    & skf18("4","10","6","3","4","5","1") = "9"
    & skf18("4","10","6","3","4","6","1") = "9"
    & skf18("4","10","6","3","4","7","1") = "9"
    & skf18("4","10","6","3","4","8","1") = "9"
    & skf18("4","10","6","3","4","9","1") = "9"
    & skf18("4","10","6","3","4","10","1") = "9"
    & skf18("4","10","6","3","5","1","1") = "9"
    & skf18("4","10","6","3","5","2","1") = "9"
    & skf18("4","10","6","3","5","3","1") = "9"
    & skf18("4","10","6","3","5","4","1") = "9"
    & skf18("4","10","6","3","5","5","1") = "9"
    & skf18("4","10","6","3","5","6","1") = "9"
    & skf18("4","10","6","3","5","7","1") = "9"
    & skf18("4","10","6","3","5","8","1") = "9"
    & skf18("4","10","6","3","5","9","1") = "9"
    & skf18("4","10","6","3","5","10","1") = "9"
    & skf18("4","10","6","3","6","1","1") = "9"
    & skf18("4","10","6","3","6","2","1") = "9"
    & skf18("4","10","6","3","6","3","1") = "9"
    & skf18("4","10","6","3","6","4","1") = "9"
    & skf18("4","10","6","3","6","5","1") = "9"
    & skf18("4","10","6","3","6","6","1") = "9"
    & skf18("4","10","6","3","6","7","1") = "9"
    & skf18("4","10","6","3","6","8","1") = "9"
    & skf18("4","10","6","3","6","9","1") = "9"
    & skf18("4","10","6","3","6","10","1") = "9"
    & skf18("4","10","6","3","7","1","1") = "9"
    & skf18("4","10","6","3","7","2","1") = "9"
    & skf18("4","10","6","3","7","3","1") = "9"
    & skf18("4","10","6","3","7","4","1") = "9"
    & skf18("4","10","6","3","7","5","1") = "9"
    & skf18("4","10","6","3","7","6","1") = "9"
    & skf18("4","10","6","3","7","7","1") = "9"
    & skf18("4","10","6","3","7","8","1") = "9"
    & skf18("4","10","6","3","7","9","1") = "9"
    & skf18("4","10","6","3","7","10","1") = "9"
    & skf18("4","10","6","3","8","1","1") = "9"
    & skf18("4","10","6","3","8","2","1") = "9"
    & skf18("4","10","6","3","8","3","1") = "9"
    & skf18("4","10","6","3","8","4","1") = "9"
    & skf18("4","10","6","3","8","5","1") = "9"
    & skf18("4","10","6","3","8","6","1") = "9"
    & skf18("4","10","6","3","8","7","1") = "9"
    & skf18("4","10","6","3","8","8","1") = "9"
    & skf18("4","10","6","3","8","9","1") = "9"
    & skf18("4","10","6","3","8","10","1") = "9"
    & skf18("4","10","6","3","9","1","1") = "9"
    & skf18("4","10","6","3","9","2","1") = "9"
    & skf18("4","10","6","3","9","3","1") = "9"
    & skf18("4","10","6","3","9","4","1") = "9"
    & skf18("4","10","6","3","9","5","1") = "9"
    & skf18("4","10","6","3","9","6","1") = "9"
    & skf18("4","10","6","3","9","7","1") = "9"
    & skf18("4","10","6","3","9","8","1") = "9"
    & skf18("4","10","6","3","9","9","1") = "9"
    & skf18("4","10","6","3","9","10","1") = "9"
    & skf18("4","10","6","3","10","1","1") = "9"
    & skf18("4","10","6","3","10","2","1") = "9"
    & skf18("4","10","6","3","10","3","1") = "9"
    & skf18("4","10","6","3","10","4","1") = "9"
    & skf18("4","10","6","3","10","5","1") = "9"
    & skf18("4","10","6","3","10","6","1") = "9"
    & skf18("4","10","6","3","10","7","1") = "9"
    & skf18("4","10","6","3","10","8","1") = "9"
    & skf18("4","10","6","3","10","9","1") = "9"
    & skf18("4","10","6","3","10","10","1") = "9"
    & skf18("4","10","6","4","1","1","1") = "9"
    & skf18("4","10","6","4","1","2","1") = "9"
    & skf18("4","10","6","4","1","3","1") = "9"
    & skf18("4","10","6","4","1","4","1") = "9"
    & skf18("4","10","6","4","1","5","1") = "9"
    & skf18("4","10","6","4","1","6","1") = "9"
    & skf18("4","10","6","4","1","7","1") = "9"
    & skf18("4","10","6","4","1","8","1") = "9"
    & skf18("4","10","6","4","1","9","1") = "9"
    & skf18("4","10","6","4","1","10","1") = "9"
    & skf18("4","10","6","4","2","1","1") = "9"
    & skf18("4","10","6","4","2","2","1") = "9"
    & skf18("4","10","6","4","2","3","1") = "9"
    & skf18("4","10","6","4","2","4","1") = "9"
    & skf18("4","10","6","4","2","5","1") = "9"
    & skf18("4","10","6","4","2","6","1") = "9"
    & skf18("4","10","6","4","2","7","1") = "9"
    & skf18("4","10","6","4","2","8","1") = "9"
    & skf18("4","10","6","4","2","9","1") = "9"
    & skf18("4","10","6","4","2","10","1") = "9"
    & skf18("4","10","6","4","3","1","1") = "9"
    & skf18("4","10","6","4","3","2","1") = "9"
    & skf18("4","10","6","4","3","3","1") = "9"
    & skf18("4","10","6","4","3","4","1") = "9"
    & skf18("4","10","6","4","3","5","1") = "9"
    & skf18("4","10","6","4","3","6","1") = "9"
    & skf18("4","10","6","4","3","7","1") = "9"
    & skf18("4","10","6","4","3","8","1") = "9"
    & skf18("4","10","6","4","3","9","1") = "9"
    & skf18("4","10","6","4","3","10","1") = "9"
    & skf18("4","10","6","4","4","1","1") = "9"
    & skf18("4","10","6","4","4","2","1") = "9"
    & skf18("4","10","6","4","4","3","1") = "9"
    & skf18("4","10","6","4","4","4","1") = "9"
    & skf18("4","10","6","4","4","5","1") = "9"
    & skf18("4","10","6","4","4","6","1") = "9"
    & skf18("4","10","6","4","4","7","1") = "9"
    & skf18("4","10","6","4","4","8","1") = "9"
    & skf18("4","10","6","4","4","9","1") = "9"
    & skf18("4","10","6","4","4","10","1") = "9"
    & skf18("4","10","6","4","5","1","1") = "9"
    & skf18("4","10","6","4","5","2","1") = "9"
    & skf18("4","10","6","4","5","3","1") = "9"
    & skf18("4","10","6","4","5","4","1") = "9"
    & skf18("4","10","6","4","5","5","1") = "9"
    & skf18("4","10","6","4","5","6","1") = "9"
    & skf18("4","10","6","4","5","7","1") = "9"
    & skf18("4","10","6","4","5","8","1") = "9"
    & skf18("4","10","6","4","5","9","1") = "9"
    & skf18("4","10","6","4","5","10","1") = "9"
    & skf18("4","10","6","4","6","1","1") = "9"
    & skf18("4","10","6","4","6","2","1") = "9"
    & skf18("4","10","6","4","6","3","1") = "9"
    & skf18("4","10","6","4","6","4","1") = "9"
    & skf18("4","10","6","4","6","5","1") = "9"
    & skf18("4","10","6","4","6","6","1") = "9"
    & skf18("4","10","6","4","6","7","1") = "9"
    & skf18("4","10","6","4","6","8","1") = "9"
    & skf18("4","10","6","4","6","9","1") = "9"
    & skf18("4","10","6","4","6","10","1") = "9"
    & skf18("4","10","6","4","7","1","1") = "9"
    & skf18("4","10","6","4","7","2","1") = "9"
    & skf18("4","10","6","4","7","3","1") = "9"
    & skf18("4","10","6","4","7","4","1") = "9"
    & skf18("4","10","6","4","7","5","1") = "9"
    & skf18("4","10","6","4","7","6","1") = "9"
    & skf18("4","10","6","4","7","7","1") = "9"
    & skf18("4","10","6","4","7","8","1") = "9"
    & skf18("4","10","6","4","7","9","1") = "9"
    & skf18("4","10","6","4","7","10","1") = "9"
    & skf18("4","10","6","4","8","1","1") = "9"
    & skf18("4","10","6","4","8","2","1") = "9"
    & skf18("4","10","6","4","8","3","1") = "9"
    & skf18("4","10","6","4","8","4","1") = "9"
    & skf18("4","10","6","4","8","5","1") = "9"
    & skf18("4","10","6","4","8","6","1") = "9"
    & skf18("4","10","6","4","8","7","1") = "9"
    & skf18("4","10","6","4","8","8","1") = "9"
    & skf18("4","10","6","4","8","9","1") = "9"
    & skf18("4","10","6","4","8","10","1") = "9"
    & skf18("4","10","6","4","9","1","1") = "9"
    & skf18("4","10","6","4","9","2","1") = "9"
    & skf18("4","10","6","4","9","3","1") = "9"
    & skf18("4","10","6","4","9","4","1") = "9"
    & skf18("4","10","6","4","9","5","1") = "9"
    & skf18("4","10","6","4","9","6","1") = "9"
    & skf18("4","10","6","4","9","7","1") = "9"
    & skf18("4","10","6","4","9","8","1") = "9"
    & skf18("4","10","6","4","9","9","1") = "9"
    & skf18("4","10","6","4","9","10","1") = "9"
    & skf18("4","10","6","4","10","1","1") = "9"
    & skf18("4","10","6","4","10","2","1") = "9"
    & skf18("4","10","6","4","10","3","1") = "9"
    & skf18("4","10","6","4","10","4","1") = "9"
    & skf18("4","10","6","4","10","5","1") = "9"
    & skf18("4","10","6","4","10","6","1") = "9"
    & skf18("4","10","6","4","10","7","1") = "9"
    & skf18("4","10","6","4","10","8","1") = "9"
    & skf18("4","10","6","4","10","9","1") = "9"
    & skf18("4","10","6","4","10","10","1") = "9"
    & skf18("4","10","6","5","1","1","1") = "9"
    & skf18("4","10","6","5","1","2","1") = "9"
    & skf18("4","10","6","5","1","3","1") = "9"
    & skf18("4","10","6","5","1","4","1") = "9"
    & skf18("4","10","6","5","1","5","1") = "9"
    & skf18("4","10","6","5","1","6","1") = "9"
    & skf18("4","10","6","5","1","7","1") = "9"
    & skf18("4","10","6","5","1","8","1") = "9"
    & skf18("4","10","6","5","1","9","1") = "9"
    & skf18("4","10","6","5","1","10","1") = "9"
    & skf18("4","10","6","5","2","1","1") = "9"
    & skf18("4","10","6","5","2","2","1") = "9"
    & skf18("4","10","6","5","2","3","1") = "9"
    & skf18("4","10","6","5","2","4","1") = "9"
    & skf18("4","10","6","5","2","5","1") = "9"
    & skf18("4","10","6","5","2","6","1") = "9"
    & skf18("4","10","6","5","2","7","1") = "9"
    & skf18("4","10","6","5","2","8","1") = "9"
    & skf18("4","10","6","5","2","9","1") = "9"
    & skf18("4","10","6","5","2","10","1") = "9"
    & skf18("4","10","6","5","3","1","1") = "9"
    & skf18("4","10","6","5","3","2","1") = "9"
    & skf18("4","10","6","5","3","3","1") = "9"
    & skf18("4","10","6","5","3","4","1") = "9"
    & skf18("4","10","6","5","3","5","1") = "9"
    & skf18("4","10","6","5","3","6","1") = "9"
    & skf18("4","10","6","5","3","7","1") = "9"
    & skf18("4","10","6","5","3","8","1") = "9"
    & skf18("4","10","6","5","3","9","1") = "9"
    & skf18("4","10","6","5","3","10","1") = "9"
    & skf18("4","10","6","5","4","1","1") = "9"
    & skf18("4","10","6","5","4","2","1") = "9"
    & skf18("4","10","6","5","4","3","1") = "9"
    & skf18("4","10","6","5","4","4","1") = "9"
    & skf18("4","10","6","5","4","5","1") = "9"
    & skf18("4","10","6","5","4","6","1") = "9"
    & skf18("4","10","6","5","4","7","1") = "9"
    & skf18("4","10","6","5","4","8","1") = "9"
    & skf18("4","10","6","5","4","9","1") = "9"
    & skf18("4","10","6","5","4","10","1") = "9"
    & skf18("4","10","6","5","5","1","1") = "9"
    & skf18("4","10","6","5","5","2","1") = "9"
    & skf18("4","10","6","5","5","3","1") = "9"
    & skf18("4","10","6","5","5","4","1") = "9"
    & skf18("4","10","6","5","5","5","1") = "9"
    & skf18("4","10","6","5","5","6","1") = "9"
    & skf18("4","10","6","5","5","7","1") = "9"
    & skf18("4","10","6","5","5","8","1") = "9"
    & skf18("4","10","6","5","5","9","1") = "9"
    & skf18("4","10","6","5","5","10","1") = "9"
    & skf18("4","10","6","5","6","1","1") = "9"
    & skf18("4","10","6","5","6","2","1") = "9"
    & skf18("4","10","6","5","6","3","1") = "9"
    & skf18("4","10","6","5","6","4","1") = "9"
    & skf18("4","10","6","5","6","5","1") = "9"
    & skf18("4","10","6","5","6","6","1") = "9"
    & skf18("4","10","6","5","6","7","1") = "9"
    & skf18("4","10","6","5","6","8","1") = "9"
    & skf18("4","10","6","5","6","9","1") = "9"
    & skf18("4","10","6","5","6","10","1") = "9"
    & skf18("4","10","6","5","7","1","1") = "9"
    & skf18("4","10","6","5","7","2","1") = "9"
    & skf18("4","10","6","5","7","3","1") = "9"
    & skf18("4","10","6","5","7","4","1") = "9"
    & skf18("4","10","6","5","7","5","1") = "9"
    & skf18("4","10","6","5","7","6","1") = "9"
    & skf18("4","10","6","5","7","7","1") = "9"
    & skf18("4","10","6","5","7","8","1") = "9"
    & skf18("4","10","6","5","7","9","1") = "9"
    & skf18("4","10","6","5","7","10","1") = "9"
    & skf18("4","10","6","5","8","1","1") = "9"
    & skf18("4","10","6","5","8","2","1") = "9"
    & skf18("4","10","6","5","8","3","1") = "9"
    & skf18("4","10","6","5","8","4","1") = "9"
    & skf18("4","10","6","5","8","5","1") = "9"
    & skf18("4","10","6","5","8","6","1") = "9"
    & skf18("4","10","6","5","8","7","1") = "9"
    & skf18("4","10","6","5","8","8","1") = "9"
    & skf18("4","10","6","5","8","9","1") = "9"
    & skf18("4","10","6","5","8","10","1") = "9"
    & skf18("4","10","6","5","9","1","1") = "9"
    & skf18("4","10","6","5","9","2","1") = "9"
    & skf18("4","10","6","5","9","3","1") = "9"
    & skf18("4","10","6","5","9","4","1") = "9"
    & skf18("4","10","6","5","9","5","1") = "9"
    & skf18("4","10","6","5","9","6","1") = "9"
    & skf18("4","10","6","5","9","7","1") = "9"
    & skf18("4","10","6","5","9","8","1") = "9"
    & skf18("4","10","6","5","9","9","1") = "9"
    & skf18("4","10","6","5","9","10","1") = "9"
    & skf18("4","10","6","5","10","1","1") = "9"
    & skf18("4","10","6","5","10","2","1") = "9"
    & skf18("4","10","6","5","10","3","1") = "9"
    & skf18("4","10","6","5","10","4","1") = "9"
    & skf18("4","10","6","5","10","5","1") = "9"
    & skf18("4","10","6","5","10","6","1") = "9"
    & skf18("4","10","6","5","10","7","1") = "9"
    & skf18("4","10","6","5","10","8","1") = "9"
    & skf18("4","10","6","5","10","9","1") = "9"
    & skf18("4","10","6","5","10","10","1") = "9"
    & skf18("4","10","6","6","1","1","1") = "9"
    & skf18("4","10","6","6","1","2","1") = "9"
    & skf18("4","10","6","6","1","3","1") = "9"
    & skf18("4","10","6","6","1","4","1") = "9"
    & skf18("4","10","6","6","1","5","1") = "9"
    & skf18("4","10","6","6","1","6","1") = "9"
    & skf18("4","10","6","6","1","7","1") = "9"
    & skf18("4","10","6","6","1","8","1") = "9"
    & skf18("4","10","6","6","1","9","1") = "9"
    & skf18("4","10","6","6","1","10","1") = "9"
    & skf18("4","10","6","6","2","1","1") = "9"
    & skf18("4","10","6","6","2","2","1") = "9"
    & skf18("4","10","6","6","2","3","1") = "9"
    & skf18("4","10","6","6","2","4","1") = "9"
    & skf18("4","10","6","6","2","5","1") = "9"
    & skf18("4","10","6","6","2","6","1") = "9"
    & skf18("4","10","6","6","2","7","1") = "9"
    & skf18("4","10","6","6","2","8","1") = "9"
    & skf18("4","10","6","6","2","9","1") = "9"
    & skf18("4","10","6","6","2","10","1") = "9"
    & skf18("4","10","6","6","3","1","1") = "9"
    & skf18("4","10","6","6","3","2","1") = "9"
    & skf18("4","10","6","6","3","3","1") = "9"
    & skf18("4","10","6","6","3","4","1") = "9"
    & skf18("4","10","6","6","3","5","1") = "9"
    & skf18("4","10","6","6","3","6","1") = "9"
    & skf18("4","10","6","6","3","7","1") = "9"
    & skf18("4","10","6","6","3","8","1") = "9"
    & skf18("4","10","6","6","3","9","1") = "9"
    & skf18("4","10","6","6","3","10","1") = "9"
    & skf18("4","10","6","6","4","1","1") = "9"
    & skf18("4","10","6","6","4","2","1") = "9"
    & skf18("4","10","6","6","4","3","1") = "9"
    & skf18("4","10","6","6","4","4","1") = "9"
    & skf18("4","10","6","6","4","5","1") = "9"
    & skf18("4","10","6","6","4","6","1") = "9"
    & skf18("4","10","6","6","4","7","1") = "9"
    & skf18("4","10","6","6","4","8","1") = "9"
    & skf18("4","10","6","6","4","9","1") = "9"
    & skf18("4","10","6","6","4","10","1") = "9"
    & skf18("4","10","6","6","5","1","1") = "9"
    & skf18("4","10","6","6","5","2","1") = "9"
    & skf18("4","10","6","6","5","3","1") = "9"
    & skf18("4","10","6","6","5","4","1") = "9"
    & skf18("4","10","6","6","5","5","1") = "9"
    & skf18("4","10","6","6","5","6","1") = "9"
    & skf18("4","10","6","6","5","7","1") = "9"
    & skf18("4","10","6","6","5","8","1") = "9"
    & skf18("4","10","6","6","5","9","1") = "9"
    & skf18("4","10","6","6","5","10","1") = "9"
    & skf18("4","10","6","6","6","1","1") = "9"
    & skf18("4","10","6","6","6","2","1") = "9"
    & skf18("4","10","6","6","6","3","1") = "9"
    & skf18("4","10","6","6","6","4","1") = "9"
    & skf18("4","10","6","6","6","5","1") = "9"
    & skf18("4","10","6","6","6","6","1") = "9"
    & skf18("4","10","6","6","6","7","1") = "9"
    & skf18("4","10","6","6","6","8","1") = "9"
    & skf18("4","10","6","6","6","9","1") = "9"
    & skf18("4","10","6","6","6","10","1") = "9"
    & skf18("4","10","6","6","7","1","1") = "9"
    & skf18("4","10","6","6","7","2","1") = "9"
    & skf18("4","10","6","6","7","3","1") = "9"
    & skf18("4","10","6","6","7","4","1") = "9"
    & skf18("4","10","6","6","7","5","1") = "9"
    & skf18("4","10","6","6","7","6","1") = "9"
    & skf18("4","10","6","6","7","7","1") = "9"
    & skf18("4","10","6","6","7","8","1") = "9"
    & skf18("4","10","6","6","7","9","1") = "9"
    & skf18("4","10","6","6","7","10","1") = "9"
    & skf18("4","10","6","6","8","1","1") = "9"
    & skf18("4","10","6","6","8","2","1") = "9"
    & skf18("4","10","6","6","8","3","1") = "9"
    & skf18("4","10","6","6","8","4","1") = "9"
    & skf18("4","10","6","6","8","5","1") = "9"
    & skf18("4","10","6","6","8","6","1") = "9"
    & skf18("4","10","6","6","8","7","1") = "9"
    & skf18("4","10","6","6","8","8","1") = "9"
    & skf18("4","10","6","6","8","9","1") = "9"
    & skf18("4","10","6","6","8","10","1") = "9"
    & skf18("4","10","6","6","9","1","1") = "9"
    & skf18("4","10","6","6","9","2","1") = "9"
    & skf18("4","10","6","6","9","3","1") = "9"
    & skf18("4","10","6","6","9","4","1") = "9"
    & skf18("4","10","6","6","9","5","1") = "9"
    & skf18("4","10","6","6","9","6","1") = "9"
    & skf18("4","10","6","6","9","7","1") = "9"
    & skf18("4","10","6","6","9","8","1") = "9"
    & skf18("4","10","6","6","9","9","1") = "9"
    & skf18("4","10","6","6","9","10","1") = "9"
    & skf18("4","10","6","6","10","1","1") = "9"
    & skf18("4","10","6","6","10","2","1") = "9"
    & skf18("4","10","6","6","10","3","1") = "9"
    & skf18("4","10","6","6","10","4","1") = "9"
    & skf18("4","10","6","6","10","5","1") = "9"
    & skf18("4","10","6","6","10","6","1") = "9"
    & skf18("4","10","6","6","10","7","1") = "9"
    & skf18("4","10","6","6","10","8","1") = "9"
    & skf18("4","10","6","6","10","9","1") = "9"
    & skf18("4","10","6","6","10","10","1") = "9"
    & skf18("4","10","6","7","1","1","1") = "9"
    & skf18("4","10","6","7","1","2","1") = "9"
    & skf18("4","10","6","7","1","3","1") = "9"
    & skf18("4","10","6","7","1","4","1") = "9"
    & skf18("4","10","6","7","1","5","1") = "9"
    & skf18("4","10","6","7","1","6","1") = "9"
    & skf18("4","10","6","7","1","7","1") = "9"
    & skf18("4","10","6","7","1","8","1") = "9"
    & skf18("4","10","6","7","1","9","1") = "9"
    & skf18("4","10","6","7","1","10","1") = "9"
    & skf18("4","10","6","7","2","1","1") = "9"
    & skf18("4","10","6","7","2","2","1") = "9"
    & skf18("4","10","6","7","2","3","1") = "9"
    & skf18("4","10","6","7","2","4","1") = "9"
    & skf18("4","10","6","7","2","5","1") = "9"
    & skf18("4","10","6","7","2","6","1") = "9"
    & skf18("4","10","6","7","2","7","1") = "9"
    & skf18("4","10","6","7","2","8","1") = "9"
    & skf18("4","10","6","7","2","9","1") = "9"
    & skf18("4","10","6","7","2","10","1") = "9"
    & skf18("4","10","6","7","3","1","1") = "9"
    & skf18("4","10","6","7","3","2","1") = "9"
    & skf18("4","10","6","7","3","3","1") = "9"
    & skf18("4","10","6","7","3","4","1") = "9"
    & skf18("4","10","6","7","3","5","1") = "9"
    & skf18("4","10","6","7","3","6","1") = "9"
    & skf18("4","10","6","7","3","7","1") = "9"
    & skf18("4","10","6","7","3","8","1") = "9"
    & skf18("4","10","6","7","3","9","1") = "9"
    & skf18("4","10","6","7","3","10","1") = "9"
    & skf18("4","10","6","7","4","1","1") = "9"
    & skf18("4","10","6","7","4","2","1") = "9"
    & skf18("4","10","6","7","4","3","1") = "9"
    & skf18("4","10","6","7","4","4","1") = "9"
    & skf18("4","10","6","7","4","5","1") = "9"
    & skf18("4","10","6","7","4","6","1") = "9"
    & skf18("4","10","6","7","4","7","1") = "9"
    & skf18("4","10","6","7","4","8","1") = "9"
    & skf18("4","10","6","7","4","9","1") = "9"
    & skf18("4","10","6","7","4","10","1") = "9"
    & skf18("4","10","6","7","5","1","1") = "9"
    & skf18("4","10","6","7","5","2","1") = "9"
    & skf18("4","10","6","7","5","3","1") = "9"
    & skf18("4","10","6","7","5","4","1") = "9"
    & skf18("4","10","6","7","5","5","1") = "9"
    & skf18("4","10","6","7","5","6","1") = "9"
    & skf18("4","10","6","7","5","7","1") = "9"
    & skf18("4","10","6","7","5","8","1") = "9"
    & skf18("4","10","6","7","5","9","1") = "9"
    & skf18("4","10","6","7","5","10","1") = "9"
    & skf18("4","10","6","7","6","1","1") = "9"
    & skf18("4","10","6","7","6","2","1") = "9"
    & skf18("4","10","6","7","6","3","1") = "9"
    & skf18("4","10","6","7","6","4","1") = "9"
    & skf18("4","10","6","7","6","5","1") = "9"
    & skf18("4","10","6","7","6","6","1") = "9"
    & skf18("4","10","6","7","6","7","1") = "9"
    & skf18("4","10","6","7","6","8","1") = "9"
    & skf18("4","10","6","7","6","9","1") = "9"
    & skf18("4","10","6","7","6","10","1") = "9"
    & skf18("4","10","6","7","7","1","1") = "9"
    & skf18("4","10","6","7","7","2","1") = "9"
    & skf18("4","10","6","7","7","3","1") = "9"
    & skf18("4","10","6","7","7","4","1") = "9"
    & skf18("4","10","6","7","7","5","1") = "9"
    & skf18("4","10","6","7","7","6","1") = "9"
    & skf18("4","10","6","7","7","7","1") = "9"
    & skf18("4","10","6","7","7","8","1") = "9"
    & skf18("4","10","6","7","7","9","1") = "9"
    & skf18("4","10","6","7","7","10","1") = "9"
    & skf18("4","10","6","7","8","1","1") = "9"
    & skf18("4","10","6","7","8","2","1") = "9"
    & skf18("4","10","6","7","8","3","1") = "9"
    & skf18("4","10","6","7","8","4","1") = "9"
    & skf18("4","10","6","7","8","5","1") = "9"
    & skf18("4","10","6","7","8","6","1") = "9"
    & skf18("4","10","6","7","8","7","1") = "9"
    & skf18("4","10","6","7","8","8","1") = "9"
    & skf18("4","10","6","7","8","9","1") = "9"
    & skf18("4","10","6","7","8","10","1") = "9"
    & skf18("4","10","6","7","9","1","1") = "9"
    & skf18("4","10","6","7","9","2","1") = "9"
    & skf18("4","10","6","7","9","3","1") = "9"
    & skf18("4","10","6","7","9","4","1") = "9"
    & skf18("4","10","6","7","9","5","1") = "9"
    & skf18("4","10","6","7","9","6","1") = "9"
    & skf18("4","10","6","7","9","7","1") = "9"
    & skf18("4","10","6","7","9","8","1") = "9"
    & skf18("4","10","6","7","9","9","1") = "9"
    & skf18("4","10","6","7","9","10","1") = "9"
    & skf18("4","10","6","7","10","1","1") = "9"
    & skf18("4","10","6","7","10","2","1") = "9"
    & skf18("4","10","6","7","10","3","1") = "9"
    & skf18("4","10","6","7","10","4","1") = "9"
    & skf18("4","10","6","7","10","5","1") = "9"
    & skf18("4","10","6","7","10","6","1") = "9"
    & skf18("4","10","6","7","10","7","1") = "9"
    & skf18("4","10","6","7","10","8","1") = "9"
    & skf18("4","10","6","7","10","9","1") = "9"
    & skf18("4","10","6","7","10","10","1") = "9"
    & skf18("4","10","6","8","1","1","1") = "9"
    & skf18("4","10","6","8","1","2","1") = "9"
    & skf18("4","10","6","8","1","3","1") = "9"
    & skf18("4","10","6","8","1","4","1") = "9"
    & skf18("4","10","6","8","1","5","1") = "9"
    & skf18("4","10","6","8","1","6","1") = "9"
    & skf18("4","10","6","8","1","7","1") = "9"
    & skf18("4","10","6","8","1","8","1") = "9"
    & skf18("4","10","6","8","1","9","1") = "9"
    & skf18("4","10","6","8","1","10","1") = "9"
    & skf18("4","10","6","8","2","1","1") = "9"
    & skf18("4","10","6","8","2","2","1") = "9"
    & skf18("4","10","6","8","2","3","1") = "9"
    & skf18("4","10","6","8","2","4","1") = "9"
    & skf18("4","10","6","8","2","5","1") = "9"
    & skf18("4","10","6","8","2","6","1") = "9"
    & skf18("4","10","6","8","2","7","1") = "9"
    & skf18("4","10","6","8","2","8","1") = "9"
    & skf18("4","10","6","8","2","9","1") = "9"
    & skf18("4","10","6","8","2","10","1") = "9"
    & skf18("4","10","6","8","3","1","1") = "9"
    & skf18("4","10","6","8","3","2","1") = "9"
    & skf18("4","10","6","8","3","3","1") = "9"
    & skf18("4","10","6","8","3","4","1") = "9"
    & skf18("4","10","6","8","3","5","1") = "9"
    & skf18("4","10","6","8","3","6","1") = "9"
    & skf18("4","10","6","8","3","7","1") = "9"
    & skf18("4","10","6","8","3","8","1") = "9"
    & skf18("4","10","6","8","3","9","1") = "9"
    & skf18("4","10","6","8","3","10","1") = "9"
    & skf18("4","10","6","8","4","1","1") = "9"
    & skf18("4","10","6","8","4","2","1") = "9"
    & skf18("4","10","6","8","4","3","1") = "9"
    & skf18("4","10","6","8","4","4","1") = "9"
    & skf18("4","10","6","8","4","5","1") = "9"
    & skf18("4","10","6","8","4","6","1") = "9"
    & skf18("4","10","6","8","4","7","1") = "9"
    & skf18("4","10","6","8","4","8","1") = "9"
    & skf18("4","10","6","8","4","9","1") = "9"
    & skf18("4","10","6","8","4","10","1") = "9"
    & skf18("4","10","6","8","5","1","1") = "9"
    & skf18("4","10","6","8","5","2","1") = "9"
    & skf18("4","10","6","8","5","3","1") = "9"
    & skf18("4","10","6","8","5","4","1") = "9"
    & skf18("4","10","6","8","5","5","1") = "9"
    & skf18("4","10","6","8","5","6","1") = "9"
    & skf18("4","10","6","8","5","7","1") = "9"
    & skf18("4","10","6","8","5","8","1") = "9"
    & skf18("4","10","6","8","5","9","1") = "9"
    & skf18("4","10","6","8","5","10","1") = "9"
    & skf18("4","10","6","8","6","1","1") = "9"
    & skf18("4","10","6","8","6","2","1") = "9"
    & skf18("4","10","6","8","6","3","1") = "9"
    & skf18("4","10","6","8","6","4","1") = "9"
    & skf18("4","10","6","8","6","5","1") = "9"
    & skf18("4","10","6","8","6","6","1") = "9"
    & skf18("4","10","6","8","6","7","1") = "9"
    & skf18("4","10","6","8","6","8","1") = "9"
    & skf18("4","10","6","8","6","9","1") = "9"
    & skf18("4","10","6","8","6","10","1") = "9"
    & skf18("4","10","6","8","7","1","1") = "9"
    & skf18("4","10","6","8","7","2","1") = "9"
    & skf18("4","10","6","8","7","3","1") = "9"
    & skf18("4","10","6","8","7","4","1") = "9"
    & skf18("4","10","6","8","7","5","1") = "9"
    & skf18("4","10","6","8","7","6","1") = "9"
    & skf18("4","10","6","8","7","7","1") = "9"
    & skf18("4","10","6","8","7","8","1") = "9"
    & skf18("4","10","6","8","7","9","1") = "9"
    & skf18("4","10","6","8","7","10","1") = "9"
    & skf18("4","10","6","8","8","1","1") = "9"
    & skf18("4","10","6","8","8","2","1") = "9"
    & skf18("4","10","6","8","8","3","1") = "9"
    & skf18("4","10","6","8","8","4","1") = "9"
    & skf18("4","10","6","8","8","5","1") = "9"
    & skf18("4","10","6","8","8","6","1") = "9"
    & skf18("4","10","6","8","8","7","1") = "9"
    & skf18("4","10","6","8","8","8","1") = "9"
    & skf18("4","10","6","8","8","9","1") = "9"
    & skf18("4","10","6","8","8","10","1") = "9"
    & skf18("4","10","6","8","9","1","1") = "9"
    & skf18("4","10","6","8","9","2","1") = "9"
    & skf18("4","10","6","8","9","3","1") = "9"
    & skf18("4","10","6","8","9","4","1") = "9"
    & skf18("4","10","6","8","9","5","1") = "9"
    & skf18("4","10","6","8","9","6","1") = "9"
    & skf18("4","10","6","8","9","7","1") = "9"
    & skf18("4","10","6","8","9","8","1") = "9"
    & skf18("4","10","6","8","9","9","1") = "9"
    & skf18("4","10","6","8","9","10","1") = "9"
    & skf18("4","10","6","8","10","1","1") = "9"
    & skf18("4","10","6","8","10","2","1") = "9"
    & skf18("4","10","6","8","10","3","1") = "9"
    & skf18("4","10","6","8","10","4","1") = "9"
    & skf18("4","10","6","8","10","5","1") = "9"
    & skf18("4","10","6","8","10","6","1") = "9"
    & skf18("4","10","6","8","10","7","1") = "9"
    & skf18("4","10","6","8","10","8","1") = "9"
    & skf18("4","10","6","8","10","9","1") = "9"
    & skf18("4","10","6","8","10","10","1") = "9"
    & skf18("4","10","6","9","1","1","1") = "9"
    & skf18("4","10","6","9","1","2","1") = "9"
    & skf18("4","10","6","9","1","3","1") = "9"
    & skf18("4","10","6","9","1","4","1") = "9"
    & skf18("4","10","6","9","1","5","1") = "9"
    & skf18("4","10","6","9","1","6","1") = "9"
    & skf18("4","10","6","9","1","7","1") = "9"
    & skf18("4","10","6","9","1","8","1") = "9"
    & skf18("4","10","6","9","1","9","1") = "9"
    & skf18("4","10","6","9","1","10","1") = "9"
    & skf18("4","10","6","9","2","1","1") = "9"
    & skf18("4","10","6","9","2","2","1") = "9"
    & skf18("4","10","6","9","2","3","1") = "9"
    & skf18("4","10","6","9","2","4","1") = "9"
    & skf18("4","10","6","9","2","5","1") = "9"
    & skf18("4","10","6","9","2","6","1") = "9"
    & skf18("4","10","6","9","2","7","1") = "9"
    & skf18("4","10","6","9","2","8","1") = "9"
    & skf18("4","10","6","9","2","9","1") = "9"
    & skf18("4","10","6","9","2","10","1") = "9"
    & skf18("4","10","6","9","3","1","1") = "9"
    & skf18("4","10","6","9","3","2","1") = "9"
    & skf18("4","10","6","9","3","3","1") = "9"
    & skf18("4","10","6","9","3","4","1") = "9"
    & skf18("4","10","6","9","3","5","1") = "9"
    & skf18("4","10","6","9","3","6","1") = "9"
    & skf18("4","10","6","9","3","7","1") = "9"
    & skf18("4","10","6","9","3","8","1") = "9"
    & skf18("4","10","6","9","3","9","1") = "9"
    & skf18("4","10","6","9","3","10","1") = "9"
    & skf18("4","10","6","9","4","1","1") = "9"
    & skf18("4","10","6","9","4","2","1") = "9"
    & skf18("4","10","6","9","4","3","1") = "9"
    & skf18("4","10","6","9","4","4","1") = "9"
    & skf18("4","10","6","9","4","5","1") = "9"
    & skf18("4","10","6","9","4","6","1") = "9"
    & skf18("4","10","6","9","4","7","1") = "9"
    & skf18("4","10","6","9","4","8","1") = "9"
    & skf18("4","10","6","9","4","9","1") = "9"
    & skf18("4","10","6","9","4","10","1") = "9"
    & skf18("4","10","6","9","5","1","1") = "9"
    & skf18("4","10","6","9","5","2","1") = "9"
    & skf18("4","10","6","9","5","3","1") = "9"
    & skf18("4","10","6","9","5","4","1") = "9"
    & skf18("4","10","6","9","5","5","1") = "9"
    & skf18("4","10","6","9","5","6","1") = "9"
    & skf18("4","10","6","9","5","7","1") = "9"
    & skf18("4","10","6","9","5","8","1") = "9"
    & skf18("4","10","6","9","5","9","1") = "9"
    & skf18("4","10","6","9","5","10","1") = "9"
    & skf18("4","10","6","9","6","1","1") = "9"
    & skf18("4","10","6","9","6","2","1") = "9"
    & skf18("4","10","6","9","6","3","1") = "9"
    & skf18("4","10","6","9","6","4","1") = "9"
    & skf18("4","10","6","9","6","5","1") = "9"
    & skf18("4","10","6","9","6","6","1") = "9"
    & skf18("4","10","6","9","6","7","1") = "9"
    & skf18("4","10","6","9","6","8","1") = "9"
    & skf18("4","10","6","9","6","9","1") = "9"
    & skf18("4","10","6","9","6","10","1") = "9"
    & skf18("4","10","6","9","7","1","1") = "9"
    & skf18("4","10","6","9","7","2","1") = "9"
    & skf18("4","10","6","9","7","3","1") = "9"
    & skf18("4","10","6","9","7","4","1") = "9"
    & skf18("4","10","6","9","7","5","1") = "9"
    & skf18("4","10","6","9","7","6","1") = "9"
    & skf18("4","10","6","9","7","7","1") = "9"
    & skf18("4","10","6","9","7","8","1") = "9"
    & skf18("4","10","6","9","7","9","1") = "9"
    & skf18("4","10","6","9","7","10","1") = "9"
    & skf18("4","10","6","9","8","1","1") = "9"
    & skf18("4","10","6","9","8","2","1") = "9"
    & skf18("4","10","6","9","8","3","1") = "9"
    & skf18("4","10","6","9","8","4","1") = "9"
    & skf18("4","10","6","9","8","5","1") = "9"
    & skf18("4","10","6","9","8","6","1") = "9"
    & skf18("4","10","6","9","8","7","1") = "9"
    & skf18("4","10","6","9","8","8","1") = "9"
    & skf18("4","10","6","9","8","9","1") = "9"
    & skf18("4","10","6","9","8","10","1") = "9"
    & skf18("4","10","6","9","9","1","1") = "9"
    & skf18("4","10","6","9","9","2","1") = "9"
    & skf18("4","10","6","9","9","3","1") = "9"
    & skf18("4","10","6","9","9","4","1") = "9"
    & skf18("4","10","6","9","9","5","1") = "9"
    & skf18("4","10","6","9","9","6","1") = "9"
    & skf18("4","10","6","9","9","7","1") = "9"
    & skf18("4","10","6","9","9","8","1") = "9"
    & skf18("4","10","6","9","9","9","1") = "9"
    & skf18("4","10","6","9","9","10","1") = "9"
    & skf18("4","10","6","9","10","1","1") = "9"
    & skf18("4","10","6","9","10","2","1") = "9"
    & skf18("4","10","6","9","10","3","1") = "9"
    & skf18("4","10","6","9","10","4","1") = "9"
    & skf18("4","10","6","9","10","5","1") = "9"
    & skf18("4","10","6","9","10","6","1") = "9"
    & skf18("4","10","6","9","10","7","1") = "9"
    & skf18("4","10","6","9","10","8","1") = "9"
    & skf18("4","10","6","9","10","9","1") = "9"
    & skf18("4","10","6","9","10","10","1") = "9"
    & skf18("4","10","6","10","1","1","1") = "9"
    & skf18("4","10","6","10","1","2","1") = "9"
    & skf18("4","10","6","10","1","3","1") = "9"
    & skf18("4","10","6","10","1","4","1") = "9"
    & skf18("4","10","6","10","1","5","1") = "9"
    & skf18("4","10","6","10","1","6","1") = "9"
    & skf18("4","10","6","10","1","7","1") = "9"
    & skf18("4","10","6","10","1","8","1") = "9"
    & skf18("4","10","6","10","1","9","1") = "9"
    & skf18("4","10","6","10","1","10","1") = "9"
    & skf18("4","10","6","10","2","1","1") = "9"
    & skf18("4","10","6","10","2","2","1") = "9"
    & skf18("4","10","6","10","2","3","1") = "9"
    & skf18("4","10","6","10","2","4","1") = "9"
    & skf18("4","10","6","10","2","5","1") = "9"
    & skf18("4","10","6","10","2","6","1") = "9"
    & skf18("4","10","6","10","2","7","1") = "9"
    & skf18("4","10","6","10","2","8","1") = "9"
    & skf18("4","10","6","10","2","9","1") = "9"
    & skf18("4","10","6","10","2","10","1") = "9"
    & skf18("4","10","6","10","3","1","1") = "9"
    & skf18("4","10","6","10","3","2","1") = "9"
    & skf18("4","10","6","10","3","3","1") = "9"
    & skf18("4","10","6","10","3","4","1") = "9"
    & skf18("4","10","6","10","3","5","1") = "9"
    & skf18("4","10","6","10","3","6","1") = "9"
    & skf18("4","10","6","10","3","7","1") = "9"
    & skf18("4","10","6","10","3","8","1") = "9"
    & skf18("4","10","6","10","3","9","1") = "9"
    & skf18("4","10","6","10","3","10","1") = "9"
    & skf18("4","10","6","10","4","1","1") = "9"
    & skf18("4","10","6","10","4","2","1") = "9"
    & skf18("4","10","6","10","4","3","1") = "9"
    & skf18("4","10","6","10","4","4","1") = "9"
    & skf18("4","10","6","10","4","5","1") = "9"
    & skf18("4","10","6","10","4","6","1") = "9"
    & skf18("4","10","6","10","4","7","1") = "9"
    & skf18("4","10","6","10","4","8","1") = "9"
    & skf18("4","10","6","10","4","9","1") = "9"
    & skf18("4","10","6","10","4","10","1") = "9"
    & skf18("4","10","6","10","5","1","1") = "9"
    & skf18("4","10","6","10","5","2","1") = "9"
    & skf18("4","10","6","10","5","3","1") = "9"
    & skf18("4","10","6","10","5","4","1") = "9"
    & skf18("4","10","6","10","5","5","1") = "9"
    & skf18("4","10","6","10","5","6","1") = "9"
    & skf18("4","10","6","10","5","7","1") = "9"
    & skf18("4","10","6","10","5","8","1") = "9"
    & skf18("4","10","6","10","5","9","1") = "9"
    & skf18("4","10","6","10","5","10","1") = "9"
    & skf18("4","10","6","10","6","1","1") = "9"
    & skf18("4","10","6","10","6","2","1") = "9"
    & skf18("4","10","6","10","6","3","1") = "9"
    & skf18("4","10","6","10","6","4","1") = "9"
    & skf18("4","10","6","10","6","5","1") = "9"
    & skf18("4","10","6","10","6","6","1") = "9"
    & skf18("4","10","6","10","6","7","1") = "9"
    & skf18("4","10","6","10","6","8","1") = "9"
    & skf18("4","10","6","10","6","9","1") = "9"
    & skf18("4","10","6","10","6","10","1") = "9"
    & skf18("4","10","6","10","7","1","1") = "9"
    & skf18("4","10","6","10","7","2","1") = "9"
    & skf18("4","10","6","10","7","3","1") = "9"
    & skf18("4","10","6","10","7","4","1") = "9"
    & skf18("4","10","6","10","7","5","1") = "9"
    & skf18("4","10","6","10","7","6","1") = "9"
    & skf18("4","10","6","10","7","7","1") = "9"
    & skf18("4","10","6","10","7","8","1") = "9"
    & skf18("4","10","6","10","7","9","1") = "9"
    & skf18("4","10","6","10","7","10","1") = "9"
    & skf18("4","10","6","10","8","1","1") = "9"
    & skf18("4","10","6","10","8","2","1") = "9"
    & skf18("4","10","6","10","8","3","1") = "9"
    & skf18("4","10","6","10","8","4","1") = "9"
    & skf18("4","10","6","10","8","5","1") = "9"
    & skf18("4","10","6","10","8","6","1") = "9"
    & skf18("4","10","6","10","8","7","1") = "9"
    & skf18("4","10","6","10","8","8","1") = "9"
    & skf18("4","10","6","10","8","9","1") = "9"
    & skf18("4","10","6","10","8","10","1") = "9"
    & skf18("4","10","6","10","9","1","1") = "9"
    & skf18("4","10","6","10","9","2","1") = "9"
    & skf18("4","10","6","10","9","3","1") = "9"
    & skf18("4","10","6","10","9","4","1") = "9"
    & skf18("4","10","6","10","9","5","1") = "9"
    & skf18("4","10","6","10","9","6","1") = "9"
    & skf18("4","10","6","10","9","7","1") = "9"
    & skf18("4","10","6","10","9","8","1") = "9"
    & skf18("4","10","6","10","9","9","1") = "9"
    & skf18("4","10","6","10","9","10","1") = "9"
    & skf18("4","10","6","10","10","1","1") = "9"
    & skf18("4","10","6","10","10","2","1") = "9"
    & skf18("4","10","6","10","10","3","1") = "9"
    & skf18("4","10","6","10","10","4","1") = "9"
    & skf18("4","10","6","10","10","5","1") = "9"
    & skf18("4","10","6","10","10","6","1") = "9"
    & skf18("4","10","6","10","10","7","1") = "9"
    & skf18("4","10","6","10","10","8","1") = "9"
    & skf18("4","10","6","10","10","9","1") = "9"
    & skf18("4","10","6","10","10","10","1") = "9"
    & skf18("4","10","7","1","1","1","1") = "9"
    & skf18("4","10","7","1","1","2","1") = "9"
    & skf18("4","10","7","1","1","3","1") = "9"
    & skf18("4","10","7","1","1","4","1") = "9"
    & skf18("4","10","7","1","1","5","1") = "9"
    & skf18("4","10","7","1","1","6","1") = "9"
    & skf18("4","10","7","1","1","7","1") = "9"
    & skf18("4","10","7","1","1","8","1") = "9"
    & skf18("4","10","7","1","1","9","1") = "9"
    & skf18("4","10","7","1","1","10","1") = "9"
    & skf18("4","10","7","1","2","1","1") = "9"
    & skf18("4","10","7","1","2","2","1") = "9"
    & skf18("4","10","7","1","2","3","1") = "9"
    & skf18("4","10","7","1","2","4","1") = "9"
    & skf18("4","10","7","1","2","5","1") = "9"
    & skf18("4","10","7","1","2","6","1") = "9"
    & skf18("4","10","7","1","2","7","1") = "9"
    & skf18("4","10","7","1","2","8","1") = "9"
    & skf18("4","10","7","1","2","9","1") = "9"
    & skf18("4","10","7","1","2","10","1") = "9"
    & skf18("4","10","7","1","3","1","1") = "9"
    & skf18("4","10","7","1","3","2","1") = "9"
    & skf18("4","10","7","1","3","3","1") = "9"
    & skf18("4","10","7","1","3","4","1") = "9"
    & skf18("4","10","7","1","3","5","1") = "9"
    & skf18("4","10","7","1","3","6","1") = "9"
    & skf18("4","10","7","1","3","7","1") = "9"
    & skf18("4","10","7","1","3","8","1") = "9"
    & skf18("4","10","7","1","3","9","1") = "9"
    & skf18("4","10","7","1","3","10","1") = "9"
    & skf18("4","10","7","1","4","1","1") = "9"
    & skf18("4","10","7","1","4","2","1") = "9"
    & skf18("4","10","7","1","4","3","1") = "9"
    & skf18("4","10","7","1","4","4","1") = "9"
    & skf18("4","10","7","1","4","5","1") = "9"
    & skf18("4","10","7","1","4","6","1") = "9"
    & skf18("4","10","7","1","4","7","1") = "9"
    & skf18("4","10","7","1","4","8","1") = "9"
    & skf18("4","10","7","1","4","9","1") = "9"
    & skf18("4","10","7","1","4","10","1") = "9"
    & skf18("4","10","7","1","5","1","1") = "9"
    & skf18("4","10","7","1","5","2","1") = "9"
    & skf18("4","10","7","1","5","3","1") = "9"
    & skf18("4","10","7","1","5","4","1") = "9"
    & skf18("4","10","7","1","5","5","1") = "9"
    & skf18("4","10","7","1","5","6","1") = "9"
    & skf18("4","10","7","1","5","7","1") = "9"
    & skf18("4","10","7","1","5","8","1") = "9"
    & skf18("4","10","7","1","5","9","1") = "9"
    & skf18("4","10","7","1","5","10","1") = "9"
    & skf18("4","10","7","1","6","1","1") = "9"
    & skf18("4","10","7","1","6","2","1") = "9"
    & skf18("4","10","7","1","6","3","1") = "9"
    & skf18("4","10","7","1","6","4","1") = "9"
    & skf18("4","10","7","1","6","5","1") = "9"
    & skf18("4","10","7","1","6","6","1") = "9"
    & skf18("4","10","7","1","6","7","1") = "9"
    & skf18("4","10","7","1","6","8","1") = "9"
    & skf18("4","10","7","1","6","9","1") = "9"
    & skf18("4","10","7","1","6","10","1") = "9"
    & skf18("4","10","7","1","7","1","1") = "9"
    & skf18("4","10","7","1","7","2","1") = "9"
    & skf18("4","10","7","1","7","3","1") = "9"
    & skf18("4","10","7","1","7","4","1") = "9"
    & skf18("4","10","7","1","7","5","1") = "9"
    & skf18("4","10","7","1","7","6","1") = "9"
    & skf18("4","10","7","1","7","7","1") = "9"
    & skf18("4","10","7","1","7","8","1") = "9"
    & skf18("4","10","7","1","7","9","1") = "9"
    & skf18("4","10","7","1","7","10","1") = "9"
    & skf18("4","10","7","1","8","1","1") = "9"
    & skf18("4","10","7","1","8","2","1") = "9"
    & skf18("4","10","7","1","8","3","1") = "9"
    & skf18("4","10","7","1","8","4","1") = "9"
    & skf18("4","10","7","1","8","5","1") = "9"
    & skf18("4","10","7","1","8","6","1") = "9"
    & skf18("4","10","7","1","8","7","1") = "9"
    & skf18("4","10","7","1","8","8","1") = "9"
    & skf18("4","10","7","1","8","9","1") = "9"
    & skf18("4","10","7","1","8","10","1") = "9"
    & skf18("4","10","7","1","9","1","1") = "9"
    & skf18("4","10","7","1","9","2","1") = "9"
    & skf18("4","10","7","1","9","3","1") = "9"
    & skf18("4","10","7","1","9","4","1") = "9"
    & skf18("4","10","7","1","9","5","1") = "9"
    & skf18("4","10","7","1","9","6","1") = "9"
    & skf18("4","10","7","1","9","7","1") = "9"
    & skf18("4","10","7","1","9","8","1") = "9"
    & skf18("4","10","7","1","9","9","1") = "9"
    & skf18("4","10","7","1","9","10","1") = "9"
    & skf18("4","10","7","1","10","1","1") = "9"
    & skf18("4","10","7","1","10","2","1") = "9"
    & skf18("4","10","7","1","10","3","1") = "9"
    & skf18("4","10","7","1","10","4","1") = "9"
    & skf18("4","10","7","1","10","5","1") = "9"
    & skf18("4","10","7","1","10","6","1") = "9"
    & skf18("4","10","7","1","10","7","1") = "9"
    & skf18("4","10","7","1","10","8","1") = "9"
    & skf18("4","10","7","1","10","9","1") = "9"
    & skf18("4","10","7","1","10","10","1") = "9"
    & skf18("4","10","7","2","1","1","1") = "9"
    & skf18("4","10","7","2","1","2","1") = "9"
    & skf18("4","10","7","2","1","3","1") = "9"
    & skf18("4","10","7","2","1","4","1") = "9"
    & skf18("4","10","7","2","1","5","1") = "9"
    & skf18("4","10","7","2","1","6","1") = "9"
    & skf18("4","10","7","2","1","7","1") = "9"
    & skf18("4","10","7","2","1","8","1") = "9"
    & skf18("4","10","7","2","1","9","1") = "9"
    & skf18("4","10","7","2","1","10","1") = "9"
    & skf18("4","10","7","2","2","1","1") = "9"
    & skf18("4","10","7","2","2","2","1") = "9"
    & skf18("4","10","7","2","2","3","1") = "9"
    & skf18("4","10","7","2","2","4","1") = "9"
    & skf18("4","10","7","2","2","5","1") = "9"
    & skf18("4","10","7","2","2","6","1") = "9"
    & skf18("4","10","7","2","2","7","1") = "9"
    & skf18("4","10","7","2","2","8","1") = "9"
    & skf18("4","10","7","2","2","9","1") = "9"
    & skf18("4","10","7","2","2","10","1") = "9"
    & skf18("4","10","7","2","3","1","1") = "9"
    & skf18("4","10","7","2","3","2","1") = "9"
    & skf18("4","10","7","2","3","3","1") = "9"
    & skf18("4","10","7","2","3","4","1") = "9"
    & skf18("4","10","7","2","3","5","1") = "9"
    & skf18("4","10","7","2","3","6","1") = "9"
    & skf18("4","10","7","2","3","7","1") = "9"
    & skf18("4","10","7","2","3","8","1") = "9"
    & skf18("4","10","7","2","3","9","1") = "9"
    & skf18("4","10","7","2","3","10","1") = "9"
    & skf18("4","10","7","2","4","1","1") = "9"
    & skf18("4","10","7","2","4","2","1") = "9"
    & skf18("4","10","7","2","4","3","1") = "9"
    & skf18("4","10","7","2","4","4","1") = "9"
    & skf18("4","10","7","2","4","5","1") = "9"
    & skf18("4","10","7","2","4","6","1") = "9"
    & skf18("4","10","7","2","4","7","1") = "9"
    & skf18("4","10","7","2","4","8","1") = "9"
    & skf18("4","10","7","2","4","9","1") = "9"
    & skf18("4","10","7","2","4","10","1") = "9"
    & skf18("4","10","7","2","5","1","1") = "9"
    & skf18("4","10","7","2","5","2","1") = "9"
    & skf18("4","10","7","2","5","3","1") = "9"
    & skf18("4","10","7","2","5","4","1") = "9"
    & skf18("4","10","7","2","5","5","1") = "9"
    & skf18("4","10","7","2","5","6","1") = "9"
    & skf18("4","10","7","2","5","7","1") = "9"
    & skf18("4","10","7","2","5","8","1") = "9"
    & skf18("4","10","7","2","5","9","1") = "9"
    & skf18("4","10","7","2","5","10","1") = "9"
    & skf18("4","10","7","2","6","1","1") = "9"
    & skf18("4","10","7","2","6","2","1") = "9"
    & skf18("4","10","7","2","6","3","1") = "9"
    & skf18("4","10","7","2","6","4","1") = "9"
    & skf18("4","10","7","2","6","5","1") = "9"
    & skf18("4","10","7","2","6","6","1") = "9"
    & skf18("4","10","7","2","6","7","1") = "9"
    & skf18("4","10","7","2","6","8","1") = "9"
    & skf18("4","10","7","2","6","9","1") = "9"
    & skf18("4","10","7","2","6","10","1") = "9"
    & skf18("4","10","7","2","7","1","1") = "9"
    & skf18("4","10","7","2","7","2","1") = "9"
    & skf18("4","10","7","2","7","3","1") = "9"
    & skf18("4","10","7","2","7","4","1") = "9"
    & skf18("4","10","7","2","7","5","1") = "9"
    & skf18("4","10","7","2","7","6","1") = "9"
    & skf18("4","10","7","2","7","7","1") = "9"
    & skf18("4","10","7","2","7","8","1") = "9"
    & skf18("4","10","7","2","7","9","1") = "9"
    & skf18("4","10","7","2","7","10","1") = "9"
    & skf18("4","10","7","2","8","1","1") = "9"
    & skf18("4","10","7","2","8","2","1") = "9"
    & skf18("4","10","7","2","8","3","1") = "9"
    & skf18("4","10","7","2","8","4","1") = "9"
    & skf18("4","10","7","2","8","5","1") = "9"
    & skf18("4","10","7","2","8","6","1") = "9"
    & skf18("4","10","7","2","8","7","1") = "9"
    & skf18("4","10","7","2","8","8","1") = "9"
    & skf18("4","10","7","2","8","9","1") = "9"
    & skf18("4","10","7","2","8","10","1") = "9"
    & skf18("4","10","7","2","9","1","1") = "9"
    & skf18("4","10","7","2","9","2","1") = "9"
    & skf18("4","10","7","2","9","3","1") = "9"
    & skf18("4","10","7","2","9","4","1") = "9"
    & skf18("4","10","7","2","9","5","1") = "9"
    & skf18("4","10","7","2","9","6","1") = "9"
    & skf18("4","10","7","2","9","7","1") = "9"
    & skf18("4","10","7","2","9","8","1") = "9"
    & skf18("4","10","7","2","9","9","1") = "9"
    & skf18("4","10","7","2","9","10","1") = "9"
    & skf18("4","10","7","2","10","1","1") = "9"
    & skf18("4","10","7","2","10","2","1") = "9"
    & skf18("4","10","7","2","10","3","1") = "9"
    & skf18("4","10","7","2","10","4","1") = "9"
    & skf18("4","10","7","2","10","5","1") = "9"
    & skf18("4","10","7","2","10","6","1") = "9"
    & skf18("4","10","7","2","10","7","1") = "9"
    & skf18("4","10","7","2","10","8","1") = "9"
    & skf18("4","10","7","2","10","9","1") = "9"
    & skf18("4","10","7","2","10","10","1") = "9"
    & skf18("4","10","7","3","1","1","1") = "9"
    & skf18("4","10","7","3","1","2","1") = "9"
    & skf18("4","10","7","3","1","3","1") = "9"
    & skf18("4","10","7","3","1","4","1") = "9"
    & skf18("4","10","7","3","1","5","1") = "9"
    & skf18("4","10","7","3","1","6","1") = "9"
    & skf18("4","10","7","3","1","7","1") = "9"
    & skf18("4","10","7","3","1","8","1") = "9"
    & skf18("4","10","7","3","1","9","1") = "9"
    & skf18("4","10","7","3","1","10","1") = "9"
    & skf18("4","10","7","3","2","1","1") = "9"
    & skf18("4","10","7","3","2","2","1") = "9"
    & skf18("4","10","7","3","2","3","1") = "9"
    & skf18("4","10","7","3","2","4","1") = "9"
    & skf18("4","10","7","3","2","5","1") = "9"
    & skf18("4","10","7","3","2","6","1") = "9"
    & skf18("4","10","7","3","2","7","1") = "9"
    & skf18("4","10","7","3","2","8","1") = "9"
    & skf18("4","10","7","3","2","9","1") = "9"
    & skf18("4","10","7","3","2","10","1") = "9"
    & skf18("4","10","7","3","3","1","1") = "9"
    & skf18("4","10","7","3","3","2","1") = "9"
    & skf18("4","10","7","3","3","3","1") = "9"
    & skf18("4","10","7","3","3","4","1") = "9"
    & skf18("4","10","7","3","3","5","1") = "9"
    & skf18("4","10","7","3","3","6","1") = "9"
    & skf18("4","10","7","3","3","7","1") = "9"
    & skf18("4","10","7","3","3","8","1") = "9"
    & skf18("4","10","7","3","3","9","1") = "9"
    & skf18("4","10","7","3","3","10","1") = "9"
    & skf18("4","10","7","3","4","1","1") = "9"
    & skf18("4","10","7","3","4","2","1") = "9"
    & skf18("4","10","7","3","4","3","1") = "9"
    & skf18("4","10","7","3","4","4","1") = "9"
    & skf18("4","10","7","3","4","5","1") = "9"
    & skf18("4","10","7","3","4","6","1") = "9"
    & skf18("4","10","7","3","4","7","1") = "9"
    & skf18("4","10","7","3","4","8","1") = "9"
    & skf18("4","10","7","3","4","9","1") = "9"
    & skf18("4","10","7","3","4","10","1") = "9"
    & skf18("4","10","7","3","5","1","1") = "9"
    & skf18("4","10","7","3","5","2","1") = "9"
    & skf18("4","10","7","3","5","3","1") = "9"
    & skf18("4","10","7","3","5","4","1") = "9"
    & skf18("4","10","7","3","5","5","1") = "9"
    & skf18("4","10","7","3","5","6","1") = "9"
    & skf18("4","10","7","3","5","7","1") = "9"
    & skf18("4","10","7","3","5","8","1") = "9"
    & skf18("4","10","7","3","5","9","1") = "9"
    & skf18("4","10","7","3","5","10","1") = "9"
    & skf18("4","10","7","3","6","1","1") = "9"
    & skf18("4","10","7","3","6","2","1") = "9"
    & skf18("4","10","7","3","6","3","1") = "9"
    & skf18("4","10","7","3","6","4","1") = "9"
    & skf18("4","10","7","3","6","5","1") = "9"
    & skf18("4","10","7","3","6","6","1") = "9"
    & skf18("4","10","7","3","6","7","1") = "9"
    & skf18("4","10","7","3","6","8","1") = "9"
    & skf18("4","10","7","3","6","9","1") = "9"
    & skf18("4","10","7","3","6","10","1") = "9"
    & skf18("4","10","7","3","7","1","1") = "9"
    & skf18("4","10","7","3","7","2","1") = "9"
    & skf18("4","10","7","3","7","3","1") = "9"
    & skf18("4","10","7","3","7","4","1") = "9"
    & skf18("4","10","7","3","7","5","1") = "9"
    & skf18("4","10","7","3","7","6","1") = "9"
    & skf18("4","10","7","3","7","7","1") = "9"
    & skf18("4","10","7","3","7","8","1") = "9"
    & skf18("4","10","7","3","7","9","1") = "9"
    & skf18("4","10","7","3","7","10","1") = "9"
    & skf18("4","10","7","3","8","1","1") = "9"
    & skf18("4","10","7","3","8","2","1") = "9"
    & skf18("4","10","7","3","8","3","1") = "9"
    & skf18("4","10","7","3","8","4","1") = "9"
    & skf18("4","10","7","3","8","5","1") = "9"
    & skf18("4","10","7","3","8","6","1") = "9"
    & skf18("4","10","7","3","8","7","1") = "9"
    & skf18("4","10","7","3","8","8","1") = "9"
    & skf18("4","10","7","3","8","9","1") = "9"
    & skf18("4","10","7","3","8","10","1") = "9"
    & skf18("4","10","7","3","9","1","1") = "9"
    & skf18("4","10","7","3","9","2","1") = "9"
    & skf18("4","10","7","3","9","3","1") = "9"
    & skf18("4","10","7","3","9","4","1") = "9"
    & skf18("4","10","7","3","9","5","1") = "9"
    & skf18("4","10","7","3","9","6","1") = "9"
    & skf18("4","10","7","3","9","7","1") = "9"
    & skf18("4","10","7","3","9","8","1") = "9"
    & skf18("4","10","7","3","9","9","1") = "9"
    & skf18("4","10","7","3","9","10","1") = "9"
    & skf18("4","10","7","3","10","1","1") = "9"
    & skf18("4","10","7","3","10","2","1") = "9"
    & skf18("4","10","7","3","10","3","1") = "9"
    & skf18("4","10","7","3","10","4","1") = "9"
    & skf18("4","10","7","3","10","5","1") = "9"
    & skf18("4","10","7","3","10","6","1") = "9"
    & skf18("4","10","7","3","10","7","1") = "9"
    & skf18("4","10","7","3","10","8","1") = "9"
    & skf18("4","10","7","3","10","9","1") = "9"
    & skf18("4","10","7","3","10","10","1") = "9"
    & skf18("4","10","7","4","1","1","1") = "9"
    & skf18("4","10","7","4","1","2","1") = "9"
    & skf18("4","10","7","4","1","3","1") = "9"
    & skf18("4","10","7","4","1","4","1") = "9"
    & skf18("4","10","7","4","1","5","1") = "9"
    & skf18("4","10","7","4","1","6","1") = "9"
    & skf18("4","10","7","4","1","7","1") = "9"
    & skf18("4","10","7","4","1","8","1") = "9"
    & skf18("4","10","7","4","1","9","1") = "9"
    & skf18("4","10","7","4","1","10","1") = "9"
    & skf18("4","10","7","4","2","1","1") = "9"
    & skf18("4","10","7","4","2","2","1") = "9"
    & skf18("4","10","7","4","2","3","1") = "9"
    & skf18("4","10","7","4","2","4","1") = "9"
    & skf18("4","10","7","4","2","5","1") = "9"
    & skf18("4","10","7","4","2","6","1") = "9"
    & skf18("4","10","7","4","2","7","1") = "9"
    & skf18("4","10","7","4","2","8","1") = "9"
    & skf18("4","10","7","4","2","9","1") = "9"
    & skf18("4","10","7","4","2","10","1") = "9"
    & skf18("4","10","7","4","3","1","1") = "9"
    & skf18("4","10","7","4","3","2","1") = "9"
    & skf18("4","10","7","4","3","3","1") = "9"
    & skf18("4","10","7","4","3","4","1") = "9"
    & skf18("4","10","7","4","3","5","1") = "9"
    & skf18("4","10","7","4","3","6","1") = "9"
    & skf18("4","10","7","4","3","7","1") = "9"
    & skf18("4","10","7","4","3","8","1") = "9"
    & skf18("4","10","7","4","3","9","1") = "9"
    & skf18("4","10","7","4","3","10","1") = "9"
    & skf18("4","10","7","4","4","1","1") = "9"
    & skf18("4","10","7","4","4","2","1") = "9"
    & skf18("4","10","7","4","4","3","1") = "9"
    & skf18("4","10","7","4","4","4","1") = "9"
    & skf18("4","10","7","4","4","5","1") = "9"
    & skf18("4","10","7","4","4","6","1") = "9"
    & skf18("4","10","7","4","4","7","1") = "9"
    & skf18("4","10","7","4","4","8","1") = "9"
    & skf18("4","10","7","4","4","9","1") = "9"
    & skf18("4","10","7","4","4","10","1") = "9"
    & skf18("4","10","7","4","5","1","1") = "9"
    & skf18("4","10","7","4","5","2","1") = "9"
    & skf18("4","10","7","4","5","3","1") = "9"
    & skf18("4","10","7","4","5","4","1") = "9"
    & skf18("4","10","7","4","5","5","1") = "9"
    & skf18("4","10","7","4","5","6","1") = "9"
    & skf18("4","10","7","4","5","7","1") = "9"
    & skf18("4","10","7","4","5","8","1") = "9"
    & skf18("4","10","7","4","5","9","1") = "9"
    & skf18("4","10","7","4","5","10","1") = "9"
    & skf18("4","10","7","4","6","1","1") = "9"
    & skf18("4","10","7","4","6","2","1") = "9"
    & skf18("4","10","7","4","6","3","1") = "9"
    & skf18("4","10","7","4","6","4","1") = "9"
    & skf18("4","10","7","4","6","5","1") = "9"
    & skf18("4","10","7","4","6","6","1") = "9"
    & skf18("4","10","7","4","6","7","1") = "9"
    & skf18("4","10","7","4","6","8","1") = "9"
    & skf18("4","10","7","4","6","9","1") = "9"
    & skf18("4","10","7","4","6","10","1") = "9"
    & skf18("4","10","7","4","7","1","1") = "9"
    & skf18("4","10","7","4","7","2","1") = "9"
    & skf18("4","10","7","4","7","3","1") = "9"
    & skf18("4","10","7","4","7","4","1") = "9"
    & skf18("4","10","7","4","7","5","1") = "9"
    & skf18("4","10","7","4","7","6","1") = "9"
    & skf18("4","10","7","4","7","7","1") = "9"
    & skf18("4","10","7","4","7","8","1") = "9"
    & skf18("4","10","7","4","7","9","1") = "9"
    & skf18("4","10","7","4","7","10","1") = "9"
    & skf18("4","10","7","4","8","1","1") = "9"
    & skf18("4","10","7","4","8","2","1") = "9"
    & skf18("4","10","7","4","8","3","1") = "9"
    & skf18("4","10","7","4","8","4","1") = "9"
    & skf18("4","10","7","4","8","5","1") = "9"
    & skf18("4","10","7","4","8","6","1") = "9"
    & skf18("4","10","7","4","8","7","1") = "9"
    & skf18("4","10","7","4","8","8","1") = "9"
    & skf18("4","10","7","4","8","9","1") = "9"
    & skf18("4","10","7","4","8","10","1") = "9"
    & skf18("4","10","7","4","9","1","1") = "9"
    & skf18("4","10","7","4","9","2","1") = "9"
    & skf18("4","10","7","4","9","3","1") = "9"
    & skf18("4","10","7","4","9","4","1") = "9"
    & skf18("4","10","7","4","9","5","1") = "9"
    & skf18("4","10","7","4","9","6","1") = "9"
    & skf18("4","10","7","4","9","7","1") = "9"
    & skf18("4","10","7","4","9","8","1") = "9"
    & skf18("4","10","7","4","9","9","1") = "9"
    & skf18("4","10","7","4","9","10","1") = "9"
    & skf18("4","10","7","4","10","1","1") = "9"
    & skf18("4","10","7","4","10","2","1") = "9"
    & skf18("4","10","7","4","10","3","1") = "9"
    & skf18("4","10","7","4","10","4","1") = "9"
    & skf18("4","10","7","4","10","5","1") = "9"
    & skf18("4","10","7","4","10","6","1") = "9"
    & skf18("4","10","7","4","10","7","1") = "9"
    & skf18("4","10","7","4","10","8","1") = "9"
    & skf18("4","10","7","4","10","9","1") = "9"
    & skf18("4","10","7","4","10","10","1") = "9"
    & skf18("4","10","7","5","1","1","1") = "9"
    & skf18("4","10","7","5","1","2","1") = "9"
    & skf18("4","10","7","5","1","3","1") = "9"
    & skf18("4","10","7","5","1","4","1") = "9"
    & skf18("4","10","7","5","1","5","1") = "9"
    & skf18("4","10","7","5","1","6","1") = "9"
    & skf18("4","10","7","5","1","7","1") = "9"
    & skf18("4","10","7","5","1","8","1") = "9"
    & skf18("4","10","7","5","1","9","1") = "9"
    & skf18("4","10","7","5","1","10","1") = "9"
    & skf18("4","10","7","5","2","1","1") = "9"
    & skf18("4","10","7","5","2","2","1") = "9"
    & skf18("4","10","7","5","2","3","1") = "9"
    & skf18("4","10","7","5","2","4","1") = "9"
    & skf18("4","10","7","5","2","5","1") = "9"
    & skf18("4","10","7","5","2","6","1") = "9"
    & skf18("4","10","7","5","2","7","1") = "9"
    & skf18("4","10","7","5","2","8","1") = "9"
    & skf18("4","10","7","5","2","9","1") = "9"
    & skf18("4","10","7","5","2","10","1") = "9"
    & skf18("4","10","7","5","3","1","1") = "9"
    & skf18("4","10","7","5","3","2","1") = "9"
    & skf18("4","10","7","5","3","3","1") = "9"
    & skf18("4","10","7","5","3","4","1") = "9"
    & skf18("4","10","7","5","3","5","1") = "9"
    & skf18("4","10","7","5","3","6","1") = "9"
    & skf18("4","10","7","5","3","7","1") = "9"
    & skf18("4","10","7","5","3","8","1") = "9"
    & skf18("4","10","7","5","3","9","1") = "9"
    & skf18("4","10","7","5","3","10","1") = "9"
    & skf18("4","10","7","5","4","1","1") = "9"
    & skf18("4","10","7","5","4","2","1") = "9"
    & skf18("4","10","7","5","4","3","1") = "9"
    & skf18("4","10","7","5","4","4","1") = "9"
    & skf18("4","10","7","5","4","5","1") = "9"
    & skf18("4","10","7","5","4","6","1") = "9"
    & skf18("4","10","7","5","4","7","1") = "9"
    & skf18("4","10","7","5","4","8","1") = "9"
    & skf18("4","10","7","5","4","9","1") = "9"
    & skf18("4","10","7","5","4","10","1") = "9"
    & skf18("4","10","7","5","5","1","1") = "9"
    & skf18("4","10","7","5","5","2","1") = "9"
    & skf18("4","10","7","5","5","3","1") = "9"
    & skf18("4","10","7","5","5","4","1") = "9"
    & skf18("4","10","7","5","5","5","1") = "9"
    & skf18("4","10","7","5","5","6","1") = "9"
    & skf18("4","10","7","5","5","7","1") = "9"
    & skf18("4","10","7","5","5","8","1") = "9"
    & skf18("4","10","7","5","5","9","1") = "9"
    & skf18("4","10","7","5","5","10","1") = "9"
    & skf18("4","10","7","5","6","1","1") = "9"
    & skf18("4","10","7","5","6","2","1") = "9"
    & skf18("4","10","7","5","6","3","1") = "9"
    & skf18("4","10","7","5","6","4","1") = "9"
    & skf18("4","10","7","5","6","5","1") = "9"
    & skf18("4","10","7","5","6","6","1") = "9"
    & skf18("4","10","7","5","6","7","1") = "9"
    & skf18("4","10","7","5","6","8","1") = "9"
    & skf18("4","10","7","5","6","9","1") = "9"
    & skf18("4","10","7","5","6","10","1") = "9"
    & skf18("4","10","7","5","7","1","1") = "9"
    & skf18("4","10","7","5","7","2","1") = "9"
    & skf18("4","10","7","5","7","3","1") = "9"
    & skf18("4","10","7","5","7","4","1") = "9"
    & skf18("4","10","7","5","7","5","1") = "9"
    & skf18("4","10","7","5","7","6","1") = "9"
    & skf18("4","10","7","5","7","7","1") = "9"
    & skf18("4","10","7","5","7","8","1") = "9"
    & skf18("4","10","7","5","7","9","1") = "9"
    & skf18("4","10","7","5","7","10","1") = "9"
    & skf18("4","10","7","5","8","1","1") = "9"
    & skf18("4","10","7","5","8","2","1") = "9"
    & skf18("4","10","7","5","8","3","1") = "9"
    & skf18("4","10","7","5","8","4","1") = "9"
    & skf18("4","10","7","5","8","5","1") = "9"
    & skf18("4","10","7","5","8","6","1") = "9"
    & skf18("4","10","7","5","8","7","1") = "9"
    & skf18("4","10","7","5","8","8","1") = "9"
    & skf18("4","10","7","5","8","9","1") = "9"
    & skf18("4","10","7","5","8","10","1") = "9"
    & skf18("4","10","7","5","9","1","1") = "9"
    & skf18("4","10","7","5","9","2","1") = "9"
    & skf18("4","10","7","5","9","3","1") = "9"
    & skf18("4","10","7","5","9","4","1") = "9"
    & skf18("4","10","7","5","9","5","1") = "9"
    & skf18("4","10","7","5","9","6","1") = "9"
    & skf18("4","10","7","5","9","7","1") = "9"
    & skf18("4","10","7","5","9","8","1") = "9"
    & skf18("4","10","7","5","9","9","1") = "9"
    & skf18("4","10","7","5","9","10","1") = "9"
    & skf18("4","10","7","5","10","1","1") = "9"
    & skf18("4","10","7","5","10","2","1") = "9"
    & skf18("4","10","7","5","10","3","1") = "9"
    & skf18("4","10","7","5","10","4","1") = "9"
    & skf18("4","10","7","5","10","5","1") = "9"
    & skf18("4","10","7","5","10","6","1") = "9"
    & skf18("4","10","7","5","10","7","1") = "9"
    & skf18("4","10","7","5","10","8","1") = "9"
    & skf18("4","10","7","5","10","9","1") = "9"
    & skf18("4","10","7","5","10","10","1") = "9"
    & skf18("4","10","7","6","1","1","1") = "9"
    & skf18("4","10","7","6","1","2","1") = "9"
    & skf18("4","10","7","6","1","3","1") = "9"
    & skf18("4","10","7","6","1","4","1") = "9"
    & skf18("4","10","7","6","1","5","1") = "9"
    & skf18("4","10","7","6","1","6","1") = "9"
    & skf18("4","10","7","6","1","7","1") = "9"
    & skf18("4","10","7","6","1","8","1") = "9"
    & skf18("4","10","7","6","1","9","1") = "9"
    & skf18("4","10","7","6","1","10","1") = "9"
    & skf18("4","10","7","6","2","1","1") = "9"
    & skf18("4","10","7","6","2","2","1") = "9"
    & skf18("4","10","7","6","2","3","1") = "9"
    & skf18("4","10","7","6","2","4","1") = "9"
    & skf18("4","10","7","6","2","5","1") = "9"
    & skf18("4","10","7","6","2","6","1") = "9"
    & skf18("4","10","7","6","2","7","1") = "9"
    & skf18("4","10","7","6","2","8","1") = "9"
    & skf18("4","10","7","6","2","9","1") = "9"
    & skf18("4","10","7","6","2","10","1") = "9"
    & skf18("4","10","7","6","3","1","1") = "9"
    & skf18("4","10","7","6","3","2","1") = "9"
    & skf18("4","10","7","6","3","3","1") = "9"
    & skf18("4","10","7","6","3","4","1") = "9"
    & skf18("4","10","7","6","3","5","1") = "9"
    & skf18("4","10","7","6","3","6","1") = "9"
    & skf18("4","10","7","6","3","7","1") = "9"
    & skf18("4","10","7","6","3","8","1") = "9"
    & skf18("4","10","7","6","3","9","1") = "9"
    & skf18("4","10","7","6","3","10","1") = "9"
    & skf18("4","10","7","6","4","1","1") = "9"
    & skf18("4","10","7","6","4","2","1") = "9"
    & skf18("4","10","7","6","4","3","1") = "9"
    & skf18("4","10","7","6","4","4","1") = "9"
    & skf18("4","10","7","6","4","5","1") = "9"
    & skf18("4","10","7","6","4","6","1") = "9"
    & skf18("4","10","7","6","4","7","1") = "9"
    & skf18("4","10","7","6","4","8","1") = "9"
    & skf18("4","10","7","6","4","9","1") = "9"
    & skf18("4","10","7","6","4","10","1") = "9"
    & skf18("4","10","7","6","5","1","1") = "9"
    & skf18("4","10","7","6","5","2","1") = "9"
    & skf18("4","10","7","6","5","3","1") = "9"
    & skf18("4","10","7","6","5","4","1") = "9"
    & skf18("4","10","7","6","5","5","1") = "9"
    & skf18("4","10","7","6","5","6","1") = "9"
    & skf18("4","10","7","6","5","7","1") = "9"
    & skf18("4","10","7","6","5","8","1") = "9"
    & skf18("4","10","7","6","5","9","1") = "9"
    & skf18("4","10","7","6","5","10","1") = "9"
    & skf18("4","10","7","6","6","1","1") = "9"
    & skf18("4","10","7","6","6","2","1") = "9"
    & skf18("4","10","7","6","6","3","1") = "9"
    & skf18("4","10","7","6","6","4","1") = "9"
    & skf18("4","10","7","6","6","5","1") = "9"
    & skf18("4","10","7","6","6","6","1") = "9"
    & skf18("4","10","7","6","6","7","1") = "9"
    & skf18("4","10","7","6","6","8","1") = "9"
    & skf18("4","10","7","6","6","9","1") = "9"
    & skf18("4","10","7","6","6","10","1") = "9"
    & skf18("4","10","7","6","7","1","1") = "9"
    & skf18("4","10","7","6","7","2","1") = "9"
    & skf18("4","10","7","6","7","3","1") = "9"
    & skf18("4","10","7","6","7","4","1") = "9"
    & skf18("4","10","7","6","7","5","1") = "9"
    & skf18("4","10","7","6","7","6","1") = "9"
    & skf18("4","10","7","6","7","7","1") = "9"
    & skf18("4","10","7","6","7","8","1") = "9"
    & skf18("4","10","7","6","7","9","1") = "9"
    & skf18("4","10","7","6","7","10","1") = "9"
    & skf18("4","10","7","6","8","1","1") = "9"
    & skf18("4","10","7","6","8","2","1") = "9"
    & skf18("4","10","7","6","8","3","1") = "9"
    & skf18("4","10","7","6","8","4","1") = "9"
    & skf18("4","10","7","6","8","5","1") = "9"
    & skf18("4","10","7","6","8","6","1") = "9"
    & skf18("4","10","7","6","8","7","1") = "9"
    & skf18("4","10","7","6","8","8","1") = "9"
    & skf18("4","10","7","6","8","9","1") = "9"
    & skf18("4","10","7","6","8","10","1") = "9"
    & skf18("4","10","7","6","9","1","1") = "9"
    & skf18("4","10","7","6","9","2","1") = "9"
    & skf18("4","10","7","6","9","3","1") = "9"
    & skf18("4","10","7","6","9","4","1") = "9"
    & skf18("4","10","7","6","9","5","1") = "9"
    & skf18("4","10","7","6","9","6","1") = "9"
    & skf18("4","10","7","6","9","7","1") = "9"
    & skf18("4","10","7","6","9","8","1") = "9"
    & skf18("4","10","7","6","9","9","1") = "9"
    & skf18("4","10","7","6","9","10","1") = "9"
    & skf18("4","10","7","6","10","1","1") = "9"
    & skf18("4","10","7","6","10","2","1") = "9"
    & skf18("4","10","7","6","10","3","1") = "9"
    & skf18("4","10","7","6","10","4","1") = "9"
    & skf18("4","10","7","6","10","5","1") = "9"
    & skf18("4","10","7","6","10","6","1") = "9"
    & skf18("4","10","7","6","10","7","1") = "9"
    & skf18("4","10","7","6","10","8","1") = "9"
    & skf18("4","10","7","6","10","9","1") = "9"
    & skf18("4","10","7","6","10","10","1") = "9"
    & skf18("4","10","7","7","1","1","1") = "9"
    & skf18("4","10","7","7","1","2","1") = "9"
    & skf18("4","10","7","7","1","3","1") = "9"
    & skf18("4","10","7","7","1","4","1") = "9"
    & skf18("4","10","7","7","1","5","1") = "9"
    & skf18("4","10","7","7","1","6","1") = "9"
    & skf18("4","10","7","7","1","7","1") = "9"
    & skf18("4","10","7","7","1","8","1") = "9"
    & skf18("4","10","7","7","1","9","1") = "9"
    & skf18("4","10","7","7","1","10","1") = "9"
    & skf18("4","10","7","7","2","1","1") = "9"
    & skf18("4","10","7","7","2","2","1") = "9"
    & skf18("4","10","7","7","2","3","1") = "9"
    & skf18("4","10","7","7","2","4","1") = "9"
    & skf18("4","10","7","7","2","5","1") = "9"
    & skf18("4","10","7","7","2","6","1") = "9"
    & skf18("4","10","7","7","2","7","1") = "9"
    & skf18("4","10","7","7","2","8","1") = "9"
    & skf18("4","10","7","7","2","9","1") = "9"
    & skf18("4","10","7","7","2","10","1") = "9"
    & skf18("4","10","7","7","3","1","1") = "9"
    & skf18("4","10","7","7","3","2","1") = "9"
    & skf18("4","10","7","7","3","3","1") = "9"
    & skf18("4","10","7","7","3","4","1") = "9"
    & skf18("4","10","7","7","3","5","1") = "9"
    & skf18("4","10","7","7","3","6","1") = "9"
    & skf18("4","10","7","7","3","7","1") = "9"
    & skf18("4","10","7","7","3","8","1") = "9"
    & skf18("4","10","7","7","3","9","1") = "9"
    & skf18("4","10","7","7","3","10","1") = "9"
    & skf18("4","10","7","7","4","1","1") = "9"
    & skf18("4","10","7","7","4","2","1") = "9"
    & skf18("4","10","7","7","4","3","1") = "9"
    & skf18("4","10","7","7","4","4","1") = "9"
    & skf18("4","10","7","7","4","5","1") = "9"
    & skf18("4","10","7","7","4","6","1") = "9"
    & skf18("4","10","7","7","4","7","1") = "9"
    & skf18("4","10","7","7","4","8","1") = "9"
    & skf18("4","10","7","7","4","9","1") = "9"
    & skf18("4","10","7","7","4","10","1") = "9"
    & skf18("4","10","7","7","5","1","1") = "9"
    & skf18("4","10","7","7","5","2","1") = "9"
    & skf18("4","10","7","7","5","3","1") = "9"
    & skf18("4","10","7","7","5","4","1") = "9"
    & skf18("4","10","7","7","5","5","1") = "9"
    & skf18("4","10","7","7","5","6","1") = "9"
    & skf18("4","10","7","7","5","7","1") = "9"
    & skf18("4","10","7","7","5","8","1") = "9"
    & skf18("4","10","7","7","5","9","1") = "9"
    & skf18("4","10","7","7","5","10","1") = "9"
    & skf18("4","10","7","7","6","1","1") = "9"
    & skf18("4","10","7","7","6","2","1") = "9"
    & skf18("4","10","7","7","6","3","1") = "9"
    & skf18("4","10","7","7","6","4","1") = "9"
    & skf18("4","10","7","7","6","5","1") = "9"
    & skf18("4","10","7","7","6","6","1") = "9"
    & skf18("4","10","7","7","6","7","1") = "9"
    & skf18("4","10","7","7","6","8","1") = "9"
    & skf18("4","10","7","7","6","9","1") = "9"
    & skf18("4","10","7","7","6","10","1") = "9"
    & skf18("4","10","7","7","7","1","1") = "9"
    & skf18("4","10","7","7","7","2","1") = "9"
    & skf18("4","10","7","7","7","3","1") = "9"
    & skf18("4","10","7","7","7","4","1") = "9"
    & skf18("4","10","7","7","7","5","1") = "9"
    & skf18("4","10","7","7","7","6","1") = "9"
    & skf18("4","10","7","7","7","7","1") = "9"
    & skf18("4","10","7","7","7","8","1") = "9"
    & skf18("4","10","7","7","7","9","1") = "9"
    & skf18("4","10","7","7","7","10","1") = "9"
    & skf18("4","10","7","7","8","1","1") = "9"
    & skf18("4","10","7","7","8","2","1") = "9"
    & skf18("4","10","7","7","8","3","1") = "9"
    & skf18("4","10","7","7","8","4","1") = "9"
    & skf18("4","10","7","7","8","5","1") = "9"
    & skf18("4","10","7","7","8","6","1") = "9"
    & skf18("4","10","7","7","8","7","1") = "9"
    & skf18("4","10","7","7","8","8","1") = "9"
    & skf18("4","10","7","7","8","9","1") = "9"
    & skf18("4","10","7","7","8","10","1") = "9"
    & skf18("4","10","7","7","9","1","1") = "9"
    & skf18("4","10","7","7","9","2","1") = "9"
    & skf18("4","10","7","7","9","3","1") = "9"
    & skf18("4","10","7","7","9","4","1") = "9"
    & skf18("4","10","7","7","9","5","1") = "9"
    & skf18("4","10","7","7","9","6","1") = "9"
    & skf18("4","10","7","7","9","7","1") = "9"
    & skf18("4","10","7","7","9","8","1") = "9"
    & skf18("4","10","7","7","9","9","1") = "9"
    & skf18("4","10","7","7","9","10","1") = "9"
    & skf18("4","10","7","7","10","1","1") = "9"
    & skf18("4","10","7","7","10","2","1") = "9"
    & skf18("4","10","7","7","10","3","1") = "9"
    & skf18("4","10","7","7","10","4","1") = "9"
    & skf18("4","10","7","7","10","5","1") = "9"
    & skf18("4","10","7","7","10","6","1") = "9"
    & skf18("4","10","7","7","10","7","1") = "9"
    & skf18("4","10","7","7","10","8","1") = "9"
    & skf18("4","10","7","7","10","9","1") = "9"
    & skf18("4","10","7","7","10","10","1") = "9"
    & skf18("4","10","7","8","1","1","1") = "9"
    & skf18("4","10","7","8","1","2","1") = "9"
    & skf18("4","10","7","8","1","3","1") = "9"
    & skf18("4","10","7","8","1","4","1") = "9"
    & skf18("4","10","7","8","1","5","1") = "9"
    & skf18("4","10","7","8","1","6","1") = "9"
    & skf18("4","10","7","8","1","7","1") = "9"
    & skf18("4","10","7","8","1","8","1") = "9"
    & skf18("4","10","7","8","1","9","1") = "9"
    & skf18("4","10","7","8","1","10","1") = "9"
    & skf18("4","10","7","8","2","1","1") = "9"
    & skf18("4","10","7","8","2","2","1") = "9"
    & skf18("4","10","7","8","2","3","1") = "9"
    & skf18("4","10","7","8","2","4","1") = "9"
    & skf18("4","10","7","8","2","5","1") = "9"
    & skf18("4","10","7","8","2","6","1") = "9"
    & skf18("4","10","7","8","2","7","1") = "9"
    & skf18("4","10","7","8","2","8","1") = "9"
    & skf18("4","10","7","8","2","9","1") = "9"
    & skf18("4","10","7","8","2","10","1") = "9"
    & skf18("4","10","7","8","3","1","1") = "9"
    & skf18("4","10","7","8","3","2","1") = "9"
    & skf18("4","10","7","8","3","3","1") = "9"
    & skf18("4","10","7","8","3","4","1") = "9"
    & skf18("4","10","7","8","3","5","1") = "9"
    & skf18("4","10","7","8","3","6","1") = "9"
    & skf18("4","10","7","8","3","7","1") = "9"
    & skf18("4","10","7","8","3","8","1") = "9"
    & skf18("4","10","7","8","3","9","1") = "9"
    & skf18("4","10","7","8","3","10","1") = "9"
    & skf18("4","10","7","8","4","1","1") = "9"
    & skf18("4","10","7","8","4","2","1") = "9"
    & skf18("4","10","7","8","4","3","1") = "9"
    & skf18("4","10","7","8","4","4","1") = "9"
    & skf18("4","10","7","8","4","5","1") = "9"
    & skf18("4","10","7","8","4","6","1") = "9"
    & skf18("4","10","7","8","4","7","1") = "9"
    & skf18("4","10","7","8","4","8","1") = "9"
    & skf18("4","10","7","8","4","9","1") = "9"
    & skf18("4","10","7","8","4","10","1") = "9"
    & skf18("4","10","7","8","5","1","1") = "9"
    & skf18("4","10","7","8","5","2","1") = "9"
    & skf18("4","10","7","8","5","3","1") = "9"
    & skf18("4","10","7","8","5","4","1") = "9"
    & skf18("4","10","7","8","5","5","1") = "9"
    & skf18("4","10","7","8","5","6","1") = "9"
    & skf18("4","10","7","8","5","7","1") = "9"
    & skf18("4","10","7","8","5","8","1") = "9"
    & skf18("4","10","7","8","5","9","1") = "9"
    & skf18("4","10","7","8","5","10","1") = "9"
    & skf18("4","10","7","8","6","1","1") = "9"
    & skf18("4","10","7","8","6","2","1") = "9"
    & skf18("4","10","7","8","6","3","1") = "9"
    & skf18("4","10","7","8","6","4","1") = "9"
    & skf18("4","10","7","8","6","5","1") = "9"
    & skf18("4","10","7","8","6","6","1") = "9"
    & skf18("4","10","7","8","6","7","1") = "9"
    & skf18("4","10","7","8","6","8","1") = "9"
    & skf18("4","10","7","8","6","9","1") = "9"
    & skf18("4","10","7","8","6","10","1") = "9"
    & skf18("4","10","7","8","7","1","1") = "9"
    & skf18("4","10","7","8","7","2","1") = "9"
    & skf18("4","10","7","8","7","3","1") = "9"
    & skf18("4","10","7","8","7","4","1") = "9"
    & skf18("4","10","7","8","7","5","1") = "9"
    & skf18("4","10","7","8","7","6","1") = "9"
    & skf18("4","10","7","8","7","7","1") = "9"
    & skf18("4","10","7","8","7","8","1") = "9"
    & skf18("4","10","7","8","7","9","1") = "9"
    & skf18("4","10","7","8","7","10","1") = "9"
    & skf18("4","10","7","8","8","1","1") = "9"
    & skf18("4","10","7","8","8","2","1") = "9"
    & skf18("4","10","7","8","8","3","1") = "9"
    & skf18("4","10","7","8","8","4","1") = "9"
    & skf18("4","10","7","8","8","5","1") = "9"
    & skf18("4","10","7","8","8","6","1") = "9"
    & skf18("4","10","7","8","8","7","1") = "9"
    & skf18("4","10","7","8","8","8","1") = "9"
    & skf18("4","10","7","8","8","9","1") = "9"
    & skf18("4","10","7","8","8","10","1") = "9"
    & skf18("4","10","7","8","9","1","1") = "9"
    & skf18("4","10","7","8","9","2","1") = "9"
    & skf18("4","10","7","8","9","3","1") = "9"
    & skf18("4","10","7","8","9","4","1") = "9"
    & skf18("4","10","7","8","9","5","1") = "9"
    & skf18("4","10","7","8","9","6","1") = "9"
    & skf18("4","10","7","8","9","7","1") = "9"
    & skf18("4","10","7","8","9","8","1") = "9"
    & skf18("4","10","7","8","9","9","1") = "9"
    & skf18("4","10","7","8","9","10","1") = "9"
    & skf18("4","10","7","8","10","1","1") = "9"
    & skf18("4","10","7","8","10","2","1") = "9"
    & skf18("4","10","7","8","10","3","1") = "9"
    & skf18("4","10","7","8","10","4","1") = "9"
    & skf18("4","10","7","8","10","5","1") = "9"
    & skf18("4","10","7","8","10","6","1") = "9"
    & skf18("4","10","7","8","10","7","1") = "9"
    & skf18("4","10","7","8","10","8","1") = "9"
    & skf18("4","10","7","8","10","9","1") = "9"
    & skf18("4","10","7","8","10","10","1") = "9"
    & skf18("4","10","7","9","1","1","1") = "9"
    & skf18("4","10","7","9","1","2","1") = "9"
    & skf18("4","10","7","9","1","3","1") = "9"
    & skf18("4","10","7","9","1","4","1") = "9"
    & skf18("4","10","7","9","1","5","1") = "9"
    & skf18("4","10","7","9","1","6","1") = "9"
    & skf18("4","10","7","9","1","7","1") = "9"
    & skf18("4","10","7","9","1","8","1") = "9"
    & skf18("4","10","7","9","1","9","1") = "9"
    & skf18("4","10","7","9","1","10","1") = "9"
    & skf18("4","10","7","9","2","1","1") = "9"
    & skf18("4","10","7","9","2","2","1") = "9"
    & skf18("4","10","7","9","2","3","1") = "9"
    & skf18("4","10","7","9","2","4","1") = "9"
    & skf18("4","10","7","9","2","5","1") = "9"
    & skf18("4","10","7","9","2","6","1") = "9"
    & skf18("4","10","7","9","2","7","1") = "9"
    & skf18("4","10","7","9","2","8","1") = "9"
    & skf18("4","10","7","9","2","9","1") = "9"
    & skf18("4","10","7","9","2","10","1") = "9"
    & skf18("4","10","7","9","3","1","1") = "9"
    & skf18("4","10","7","9","3","2","1") = "9"
    & skf18("4","10","7","9","3","3","1") = "9"
    & skf18("4","10","7","9","3","4","1") = "9"
    & skf18("4","10","7","9","3","5","1") = "9"
    & skf18("4","10","7","9","3","6","1") = "9"
    & skf18("4","10","7","9","3","7","1") = "9"
    & skf18("4","10","7","9","3","8","1") = "9"
    & skf18("4","10","7","9","3","9","1") = "9"
    & skf18("4","10","7","9","3","10","1") = "9"
    & skf18("4","10","7","9","4","1","1") = "9"
    & skf18("4","10","7","9","4","2","1") = "9"
    & skf18("4","10","7","9","4","3","1") = "9"
    & skf18("4","10","7","9","4","4","1") = "9"
    & skf18("4","10","7","9","4","5","1") = "9"
    & skf18("4","10","7","9","4","6","1") = "9"
    & skf18("4","10","7","9","4","7","1") = "9"
    & skf18("4","10","7","9","4","8","1") = "9"
    & skf18("4","10","7","9","4","9","1") = "9"
    & skf18("4","10","7","9","4","10","1") = "9"
    & skf18("4","10","7","9","5","1","1") = "9"
    & skf18("4","10","7","9","5","2","1") = "9"
    & skf18("4","10","7","9","5","3","1") = "9"
    & skf18("4","10","7","9","5","4","1") = "9"
    & skf18("4","10","7","9","5","5","1") = "9"
    & skf18("4","10","7","9","5","6","1") = "9"
    & skf18("4","10","7","9","5","7","1") = "9"
    & skf18("4","10","7","9","5","8","1") = "9"
    & skf18("4","10","7","9","5","9","1") = "9"
    & skf18("4","10","7","9","5","10","1") = "9"
    & skf18("4","10","7","9","6","1","1") = "9"
    & skf18("4","10","7","9","6","2","1") = "9"
    & skf18("4","10","7","9","6","3","1") = "9"
    & skf18("4","10","7","9","6","4","1") = "9"
    & skf18("4","10","7","9","6","5","1") = "9"
    & skf18("4","10","7","9","6","6","1") = "9"
    & skf18("4","10","7","9","6","7","1") = "9"
    & skf18("4","10","7","9","6","8","1") = "9"
    & skf18("4","10","7","9","6","9","1") = "9"
    & skf18("4","10","7","9","6","10","1") = "9"
    & skf18("4","10","7","9","7","1","1") = "9"
    & skf18("4","10","7","9","7","2","1") = "9"
    & skf18("4","10","7","9","7","3","1") = "9"
    & skf18("4","10","7","9","7","4","1") = "9"
    & skf18("4","10","7","9","7","5","1") = "9"
    & skf18("4","10","7","9","7","6","1") = "9"
    & skf18("4","10","7","9","7","7","1") = "9"
    & skf18("4","10","7","9","7","8","1") = "9"
    & skf18("4","10","7","9","7","9","1") = "9"
    & skf18("4","10","7","9","7","10","1") = "9"
    & skf18("4","10","7","9","8","1","1") = "9"
    & skf18("4","10","7","9","8","2","1") = "9"
    & skf18("4","10","7","9","8","3","1") = "9"
    & skf18("4","10","7","9","8","4","1") = "9"
    & skf18("4","10","7","9","8","5","1") = "9"
    & skf18("4","10","7","9","8","6","1") = "9"
    & skf18("4","10","7","9","8","7","1") = "9"
    & skf18("4","10","7","9","8","8","1") = "9"
    & skf18("4","10","7","9","8","9","1") = "9"
    & skf18("4","10","7","9","8","10","1") = "9"
    & skf18("4","10","7","9","9","1","1") = "9"
    & skf18("4","10","7","9","9","2","1") = "9"
    & skf18("4","10","7","9","9","3","1") = "9"
    & skf18("4","10","7","9","9","4","1") = "9"
    & skf18("4","10","7","9","9","5","1") = "9"
    & skf18("4","10","7","9","9","6","1") = "9"
    & skf18("4","10","7","9","9","7","1") = "9"
    & skf18("4","10","7","9","9","8","1") = "9"
    & skf18("4","10","7","9","9","9","1") = "9"
    & skf18("4","10","7","9","9","10","1") = "9"
    & skf18("4","10","7","9","10","1","1") = "9"
    & skf18("4","10","7","9","10","2","1") = "9"
    & skf18("4","10","7","9","10","3","1") = "9"
    & skf18("4","10","7","9","10","4","1") = "9"
    & skf18("4","10","7","9","10","5","1") = "9"
    & skf18("4","10","7","9","10","6","1") = "9"
    & skf18("4","10","7","9","10","7","1") = "9"
    & skf18("4","10","7","9","10","8","1") = "9"
    & skf18("4","10","7","9","10","9","1") = "9"
    & skf18("4","10","7","9","10","10","1") = "9"
    & skf18("4","10","7","10","1","1","1") = "9"
    & skf18("4","10","7","10","1","2","1") = "9"
    & skf18("4","10","7","10","1","3","1") = "9"
    & skf18("4","10","7","10","1","4","1") = "9"
    & skf18("4","10","7","10","1","5","1") = "9"
    & skf18("4","10","7","10","1","6","1") = "9"
    & skf18("4","10","7","10","1","7","1") = "9"
    & skf18("4","10","7","10","1","8","1") = "9"
    & skf18("4","10","7","10","1","9","1") = "9"
    & skf18("4","10","7","10","1","10","1") = "9"
    & skf18("4","10","7","10","2","1","1") = "9"
    & skf18("4","10","7","10","2","2","1") = "9"
    & skf18("4","10","7","10","2","3","1") = "9"
    & skf18("4","10","7","10","2","4","1") = "9"
    & skf18("4","10","7","10","2","5","1") = "9"
    & skf18("4","10","7","10","2","6","1") = "9"
    & skf18("4","10","7","10","2","7","1") = "9"
    & skf18("4","10","7","10","2","8","1") = "9"
    & skf18("4","10","7","10","2","9","1") = "9"
    & skf18("4","10","7","10","2","10","1") = "9"
    & skf18("4","10","7","10","3","1","1") = "9"
    & skf18("4","10","7","10","3","2","1") = "9"
    & skf18("4","10","7","10","3","3","1") = "9"
    & skf18("4","10","7","10","3","4","1") = "9"
    & skf18("4","10","7","10","3","5","1") = "9"
    & skf18("4","10","7","10","3","6","1") = "9"
    & skf18("4","10","7","10","3","7","1") = "9"
    & skf18("4","10","7","10","3","8","1") = "9"
    & skf18("4","10","7","10","3","9","1") = "9"
    & skf18("4","10","7","10","3","10","1") = "9"
    & skf18("4","10","7","10","4","1","1") = "9"
    & skf18("4","10","7","10","4","2","1") = "9"
    & skf18("4","10","7","10","4","3","1") = "9"
    & skf18("4","10","7","10","4","4","1") = "9"
    & skf18("4","10","7","10","4","5","1") = "9"
    & skf18("4","10","7","10","4","6","1") = "9"
    & skf18("4","10","7","10","4","7","1") = "9"
    & skf18("4","10","7","10","4","8","1") = "9"
    & skf18("4","10","7","10","4","9","1") = "9"
    & skf18("4","10","7","10","4","10","1") = "9"
    & skf18("4","10","7","10","5","1","1") = "9"
    & skf18("4","10","7","10","5","2","1") = "9"
    & skf18("4","10","7","10","5","3","1") = "9"
    & skf18("4","10","7","10","5","4","1") = "9"
    & skf18("4","10","7","10","5","5","1") = "9"
    & skf18("4","10","7","10","5","6","1") = "9"
    & skf18("4","10","7","10","5","7","1") = "9"
    & skf18("4","10","7","10","5","8","1") = "9"
    & skf18("4","10","7","10","5","9","1") = "9"
    & skf18("4","10","7","10","5","10","1") = "9"
    & skf18("4","10","7","10","6","1","1") = "9"
    & skf18("4","10","7","10","6","2","1") = "9"
    & skf18("4","10","7","10","6","3","1") = "9"
    & skf18("4","10","7","10","6","4","1") = "9"
    & skf18("4","10","7","10","6","5","1") = "9"
    & skf18("4","10","7","10","6","6","1") = "9"
    & skf18("4","10","7","10","6","7","1") = "9"
    & skf18("4","10","7","10","6","8","1") = "9"
    & skf18("4","10","7","10","6","9","1") = "9"
    & skf18("4","10","7","10","6","10","1") = "9"
    & skf18("4","10","7","10","7","1","1") = "9"
    & skf18("4","10","7","10","7","2","1") = "9"
    & skf18("4","10","7","10","7","3","1") = "9"
    & skf18("4","10","7","10","7","4","1") = "9"
    & skf18("4","10","7","10","7","5","1") = "9"
    & skf18("4","10","7","10","7","6","1") = "9"
    & skf18("4","10","7","10","7","7","1") = "9"
    & skf18("4","10","7","10","7","8","1") = "9"
    & skf18("4","10","7","10","7","9","1") = "9"
    & skf18("4","10","7","10","7","10","1") = "9"
    & skf18("4","10","7","10","8","1","1") = "9"
    & skf18("4","10","7","10","8","2","1") = "9"
    & skf18("4","10","7","10","8","3","1") = "9"
    & skf18("4","10","7","10","8","4","1") = "9"
    & skf18("4","10","7","10","8","5","1") = "9"
    & skf18("4","10","7","10","8","6","1") = "9"
    & skf18("4","10","7","10","8","7","1") = "9"
    & skf18("4","10","7","10","8","8","1") = "9"
    & skf18("4","10","7","10","8","9","1") = "9"
    & skf18("4","10","7","10","8","10","1") = "9"
    & skf18("4","10","7","10","9","1","1") = "9"
    & skf18("4","10","7","10","9","2","1") = "9"
    & skf18("4","10","7","10","9","3","1") = "9"
    & skf18("4","10","7","10","9","4","1") = "9"
    & skf18("4","10","7","10","9","5","1") = "9"
    & skf18("4","10","7","10","9","6","1") = "9"
    & skf18("4","10","7","10","9","7","1") = "9"
    & skf18("4","10","7","10","9","8","1") = "9"
    & skf18("4","10","7","10","9","9","1") = "9"
    & skf18("4","10","7","10","9","10","1") = "9"
    & skf18("4","10","7","10","10","1","1") = "9"
    & skf18("4","10","7","10","10","2","1") = "9"
    & skf18("4","10","7","10","10","3","1") = "9"
    & skf18("4","10","7","10","10","4","1") = "9"
    & skf18("4","10","7","10","10","5","1") = "9"
    & skf18("4","10","7","10","10","6","1") = "9"
    & skf18("4","10","7","10","10","7","1") = "9"
    & skf18("4","10","7","10","10","8","1") = "9"
    & skf18("4","10","7","10","10","9","1") = "9"
    & skf18("4","10","7","10","10","10","1") = "9"
    & skf18("4","10","8","1","1","1","1") = "9"
    & skf18("4","10","8","1","1","2","1") = "9"
    & skf18("4","10","8","1","1","3","1") = "9"
    & skf18("4","10","8","1","1","4","1") = "9"
    & skf18("4","10","8","1","1","5","1") = "9"
    & skf18("4","10","8","1","1","6","1") = "9"
    & skf18("4","10","8","1","1","7","1") = "9"
    & skf18("4","10","8","1","1","8","1") = "9"
    & skf18("4","10","8","1","1","9","1") = "9"
    & skf18("4","10","8","1","1","10","1") = "9"
    & skf18("4","10","8","1","2","1","1") = "9"
    & skf18("4","10","8","1","2","2","1") = "9"
    & skf18("4","10","8","1","2","3","1") = "9"
    & skf18("4","10","8","1","2","4","1") = "9"
    & skf18("4","10","8","1","2","5","1") = "9"
    & skf18("4","10","8","1","2","6","1") = "9"
    & skf18("4","10","8","1","2","7","1") = "9"
    & skf18("4","10","8","1","2","8","1") = "9"
    & skf18("4","10","8","1","2","9","1") = "9"
    & skf18("4","10","8","1","2","10","1") = "9"
    & skf18("4","10","8","1","3","1","1") = "9"
    & skf18("4","10","8","1","3","2","1") = "9"
    & skf18("4","10","8","1","3","3","1") = "9"
    & skf18("4","10","8","1","3","4","1") = "9"
    & skf18("4","10","8","1","3","5","1") = "9"
    & skf18("4","10","8","1","3","6","1") = "9"
    & skf18("4","10","8","1","3","7","1") = "9"
    & skf18("4","10","8","1","3","8","1") = "9"
    & skf18("4","10","8","1","3","9","1") = "9"
    & skf18("4","10","8","1","3","10","1") = "9"
    & skf18("4","10","8","1","4","1","1") = "9"
    & skf18("4","10","8","1","4","2","1") = "9"
    & skf18("4","10","8","1","4","3","1") = "9"
    & skf18("4","10","8","1","4","4","1") = "9"
    & skf18("4","10","8","1","4","5","1") = "9"
    & skf18("4","10","8","1","4","6","1") = "9"
    & skf18("4","10","8","1","4","7","1") = "9"
    & skf18("4","10","8","1","4","8","1") = "9"
    & skf18("4","10","8","1","4","9","1") = "9"
    & skf18("4","10","8","1","4","10","1") = "9"
    & skf18("4","10","8","1","5","1","1") = "9"
    & skf18("4","10","8","1","5","2","1") = "9"
    & skf18("4","10","8","1","5","3","1") = "9"
    & skf18("4","10","8","1","5","4","1") = "9"
    & skf18("4","10","8","1","5","5","1") = "9"
    & skf18("4","10","8","1","5","6","1") = "9"
    & skf18("4","10","8","1","5","7","1") = "9"
    & skf18("4","10","8","1","5","8","1") = "9"
    & skf18("4","10","8","1","5","9","1") = "9"
    & skf18("4","10","8","1","5","10","1") = "9"
    & skf18("4","10","8","1","6","1","1") = "9"
    & skf18("4","10","8","1","6","2","1") = "9"
    & skf18("4","10","8","1","6","3","1") = "9"
    & skf18("4","10","8","1","6","4","1") = "9"
    & skf18("4","10","8","1","6","5","1") = "9"
    & skf18("4","10","8","1","6","6","1") = "9"
    & skf18("4","10","8","1","6","7","1") = "9"
    & skf18("4","10","8","1","6","8","1") = "9"
    & skf18("4","10","8","1","6","9","1") = "9"
    & skf18("4","10","8","1","6","10","1") = "9"
    & skf18("4","10","8","1","7","1","1") = "9"
    & skf18("4","10","8","1","7","2","1") = "9"
    & skf18("4","10","8","1","7","3","1") = "9"
    & skf18("4","10","8","1","7","4","1") = "9"
    & skf18("4","10","8","1","7","5","1") = "9"
    & skf18("4","10","8","1","7","6","1") = "9"
    & skf18("4","10","8","1","7","7","1") = "9"
    & skf18("4","10","8","1","7","8","1") = "9"
    & skf18("4","10","8","1","7","9","1") = "9"
    & skf18("4","10","8","1","7","10","1") = "9"
    & skf18("4","10","8","1","8","1","1") = "9"
    & skf18("4","10","8","1","8","2","1") = "9"
    & skf18("4","10","8","1","8","3","1") = "9"
    & skf18("4","10","8","1","8","4","1") = "9"
    & skf18("4","10","8","1","8","5","1") = "9"
    & skf18("4","10","8","1","8","6","1") = "9"
    & skf18("4","10","8","1","8","7","1") = "9"
    & skf18("4","10","8","1","8","8","1") = "9"
    & skf18("4","10","8","1","8","9","1") = "9"
    & skf18("4","10","8","1","8","10","1") = "9"
    & skf18("4","10","8","1","9","1","1") = "9"
    & skf18("4","10","8","1","9","2","1") = "9"
    & skf18("4","10","8","1","9","3","1") = "9"
    & skf18("4","10","8","1","9","4","1") = "9"
    & skf18("4","10","8","1","9","5","1") = "9"
    & skf18("4","10","8","1","9","6","1") = "9"
    & skf18("4","10","8","1","9","7","1") = "9"
    & skf18("4","10","8","1","9","8","1") = "9"
    & skf18("4","10","8","1","9","9","1") = "9"
    & skf18("4","10","8","1","9","10","1") = "9"
    & skf18("4","10","8","1","10","1","1") = "9"
    & skf18("4","10","8","1","10","2","1") = "9"
    & skf18("4","10","8","1","10","3","1") = "9"
    & skf18("4","10","8","1","10","4","1") = "9"
    & skf18("4","10","8","1","10","5","1") = "9"
    & skf18("4","10","8","1","10","6","1") = "9"
    & skf18("4","10","8","1","10","7","1") = "9"
    & skf18("4","10","8","1","10","8","1") = "9"
    & skf18("4","10","8","1","10","9","1") = "9"
    & skf18("4","10","8","1","10","10","1") = "9"
    & skf18("4","10","8","2","1","1","1") = "9"
    & skf18("4","10","8","2","1","2","1") = "9"
    & skf18("4","10","8","2","1","3","1") = "9"
    & skf18("4","10","8","2","1","4","1") = "9"
    & skf18("4","10","8","2","1","5","1") = "9"
    & skf18("4","10","8","2","1","6","1") = "9"
    & skf18("4","10","8","2","1","7","1") = "9"
    & skf18("4","10","8","2","1","8","1") = "9"
    & skf18("4","10","8","2","1","9","1") = "9"
    & skf18("4","10","8","2","1","10","1") = "9"
    & skf18("4","10","8","2","2","1","1") = "9"
    & skf18("4","10","8","2","2","2","1") = "9"
    & skf18("4","10","8","2","2","3","1") = "9"
    & skf18("4","10","8","2","2","4","1") = "9"
    & skf18("4","10","8","2","2","5","1") = "9"
    & skf18("4","10","8","2","2","6","1") = "9"
    & skf18("4","10","8","2","2","7","1") = "9"
    & skf18("4","10","8","2","2","8","1") = "9"
    & skf18("4","10","8","2","2","9","1") = "9"
    & skf18("4","10","8","2","2","10","1") = "9"
    & skf18("4","10","8","2","3","1","1") = "9"
    & skf18("4","10","8","2","3","2","1") = "9"
    & skf18("4","10","8","2","3","3","1") = "9"
    & skf18("4","10","8","2","3","4","1") = "9"
    & skf18("4","10","8","2","3","5","1") = "9"
    & skf18("4","10","8","2","3","6","1") = "9"
    & skf18("4","10","8","2","3","7","1") = "9"
    & skf18("4","10","8","2","3","8","1") = "9"
    & skf18("4","10","8","2","3","9","1") = "9"
    & skf18("4","10","8","2","3","10","1") = "9"
    & skf18("4","10","8","2","4","1","1") = "9"
    & skf18("4","10","8","2","4","2","1") = "9"
    & skf18("4","10","8","2","4","3","1") = "9"
    & skf18("4","10","8","2","4","4","1") = "9"
    & skf18("4","10","8","2","4","5","1") = "9"
    & skf18("4","10","8","2","4","6","1") = "9"
    & skf18("4","10","8","2","4","7","1") = "9"
    & skf18("4","10","8","2","4","8","1") = "9"
    & skf18("4","10","8","2","4","9","1") = "9"
    & skf18("4","10","8","2","4","10","1") = "9"
    & skf18("4","10","8","2","5","1","1") = "9"
    & skf18("4","10","8","2","5","2","1") = "9"
    & skf18("4","10","8","2","5","3","1") = "9"
    & skf18("4","10","8","2","5","4","1") = "9"
    & skf18("4","10","8","2","5","5","1") = "9"
    & skf18("4","10","8","2","5","6","1") = "9"
    & skf18("4","10","8","2","5","7","1") = "9"
    & skf18("4","10","8","2","5","8","1") = "9"
    & skf18("4","10","8","2","5","9","1") = "9"
    & skf18("4","10","8","2","5","10","1") = "9"
    & skf18("4","10","8","2","6","1","1") = "9"
    & skf18("4","10","8","2","6","2","1") = "9"
    & skf18("4","10","8","2","6","3","1") = "9"
    & skf18("4","10","8","2","6","4","1") = "9"
    & skf18("4","10","8","2","6","5","1") = "9"
    & skf18("4","10","8","2","6","6","1") = "9"
    & skf18("4","10","8","2","6","7","1") = "9"
    & skf18("4","10","8","2","6","8","1") = "9"
    & skf18("4","10","8","2","6","9","1") = "9"
    & skf18("4","10","8","2","6","10","1") = "9"
    & skf18("4","10","8","2","7","1","1") = "9"
    & skf18("4","10","8","2","7","2","1") = "9"
    & skf18("4","10","8","2","7","3","1") = "9"
    & skf18("4","10","8","2","7","4","1") = "9"
    & skf18("4","10","8","2","7","5","1") = "9"
    & skf18("4","10","8","2","7","6","1") = "9"
    & skf18("4","10","8","2","7","7","1") = "9"
    & skf18("4","10","8","2","7","8","1") = "9"
    & skf18("4","10","8","2","7","9","1") = "9"
    & skf18("4","10","8","2","7","10","1") = "9"
    & skf18("4","10","8","2","8","1","1") = "9"
    & skf18("4","10","8","2","8","2","1") = "9"
    & skf18("4","10","8","2","8","3","1") = "9"
    & skf18("4","10","8","2","8","4","1") = "9"
    & skf18("4","10","8","2","8","5","1") = "9"
    & skf18("4","10","8","2","8","6","1") = "9"
    & skf18("4","10","8","2","8","7","1") = "9"
    & skf18("4","10","8","2","8","8","1") = "9"
    & skf18("4","10","8","2","8","9","1") = "9"
    & skf18("4","10","8","2","8","10","1") = "9"
    & skf18("4","10","8","2","9","1","1") = "9"
    & skf18("4","10","8","2","9","2","1") = "9"
    & skf18("4","10","8","2","9","3","1") = "9"
    & skf18("4","10","8","2","9","4","1") = "9"
    & skf18("4","10","8","2","9","5","1") = "9"
    & skf18("4","10","8","2","9","6","1") = "9"
    & skf18("4","10","8","2","9","7","1") = "9"
    & skf18("4","10","8","2","9","8","1") = "9"
    & skf18("4","10","8","2","9","9","1") = "9"
    & skf18("4","10","8","2","9","10","1") = "9"
    & skf18("4","10","8","2","10","1","1") = "9"
    & skf18("4","10","8","2","10","2","1") = "9"
    & skf18("4","10","8","2","10","3","1") = "9"
    & skf18("4","10","8","2","10","4","1") = "9"
    & skf18("4","10","8","2","10","5","1") = "9"
    & skf18("4","10","8","2","10","6","1") = "9"
    & skf18("4","10","8","2","10","7","1") = "9"
    & skf18("4","10","8","2","10","8","1") = "9"
    & skf18("4","10","8","2","10","9","1") = "9"
    & skf18("4","10","8","2","10","10","1") = "9"
    & skf18("4","10","8","3","1","1","1") = "9"
    & skf18("4","10","8","3","1","2","1") = "9"
    & skf18("4","10","8","3","1","3","1") = "9"
    & skf18("4","10","8","3","1","4","1") = "9"
    & skf18("4","10","8","3","1","5","1") = "9"
    & skf18("4","10","8","3","1","6","1") = "9"
    & skf18("4","10","8","3","1","7","1") = "9"
    & skf18("4","10","8","3","1","8","1") = "9"
    & skf18("4","10","8","3","1","9","1") = "9"
    & skf18("4","10","8","3","1","10","1") = "9"
    & skf18("4","10","8","3","2","1","1") = "9"
    & skf18("4","10","8","3","2","2","1") = "9"
    & skf18("4","10","8","3","2","3","1") = "9"
    & skf18("4","10","8","3","2","4","1") = "9"
    & skf18("4","10","8","3","2","5","1") = "9"
    & skf18("4","10","8","3","2","6","1") = "9"
    & skf18("4","10","8","3","2","7","1") = "9"
    & skf18("4","10","8","3","2","8","1") = "9"
    & skf18("4","10","8","3","2","9","1") = "9"
    & skf18("4","10","8","3","2","10","1") = "9"
    & skf18("4","10","8","3","3","1","1") = "9"
    & skf18("4","10","8","3","3","2","1") = "9"
    & skf18("4","10","8","3","3","3","1") = "9"
    & skf18("4","10","8","3","3","4","1") = "9"
    & skf18("4","10","8","3","3","5","1") = "9"
    & skf18("4","10","8","3","3","6","1") = "9"
    & skf18("4","10","8","3","3","7","1") = "9"
    & skf18("4","10","8","3","3","8","1") = "9"
    & skf18("4","10","8","3","3","9","1") = "9"
    & skf18("4","10","8","3","3","10","1") = "9"
    & skf18("4","10","8","3","4","1","1") = "9"
    & skf18("4","10","8","3","4","2","1") = "9"
    & skf18("4","10","8","3","4","3","1") = "9"
    & skf18("4","10","8","3","4","4","1") = "9"
    & skf18("4","10","8","3","4","5","1") = "9"
    & skf18("4","10","8","3","4","6","1") = "9"
    & skf18("4","10","8","3","4","7","1") = "9"
    & skf18("4","10","8","3","4","8","1") = "9"
    & skf18("4","10","8","3","4","9","1") = "9"
    & skf18("4","10","8","3","4","10","1") = "9"
    & skf18("4","10","8","3","5","1","1") = "9"
    & skf18("4","10","8","3","5","2","1") = "9"
    & skf18("4","10","8","3","5","3","1") = "9"
    & skf18("4","10","8","3","5","4","1") = "9"
    & skf18("4","10","8","3","5","5","1") = "9"
    & skf18("4","10","8","3","5","6","1") = "9"
    & skf18("4","10","8","3","5","7","1") = "9"
    & skf18("4","10","8","3","5","8","1") = "9"
    & skf18("4","10","8","3","5","9","1") = "9"
    & skf18("4","10","8","3","5","10","1") = "9"
    & skf18("4","10","8","3","6","1","1") = "9"
    & skf18("4","10","8","3","6","2","1") = "9"
    & skf18("4","10","8","3","6","3","1") = "9"
    & skf18("4","10","8","3","6","4","1") = "9"
    & skf18("4","10","8","3","6","5","1") = "9"
    & skf18("4","10","8","3","6","6","1") = "9"
    & skf18("4","10","8","3","6","7","1") = "9"
    & skf18("4","10","8","3","6","8","1") = "9"
    & skf18("4","10","8","3","6","9","1") = "9"
    & skf18("4","10","8","3","6","10","1") = "9"
    & skf18("4","10","8","3","7","1","1") = "9"
    & skf18("4","10","8","3","7","2","1") = "9"
    & skf18("4","10","8","3","7","3","1") = "9"
    & skf18("4","10","8","3","7","4","1") = "9"
    & skf18("4","10","8","3","7","5","1") = "9"
    & skf18("4","10","8","3","7","6","1") = "9"
    & skf18("4","10","8","3","7","7","1") = "9"
    & skf18("4","10","8","3","7","8","1") = "9"
    & skf18("4","10","8","3","7","9","1") = "9"
    & skf18("4","10","8","3","7","10","1") = "9"
    & skf18("4","10","8","3","8","1","1") = "9"
    & skf18("4","10","8","3","8","2","1") = "9"
    & skf18("4","10","8","3","8","3","1") = "9"
    & skf18("4","10","8","3","8","4","1") = "9"
    & skf18("4","10","8","3","8","5","1") = "9"
    & skf18("4","10","8","3","8","6","1") = "9"
    & skf18("4","10","8","3","8","7","1") = "9"
    & skf18("4","10","8","3","8","8","1") = "9"
    & skf18("4","10","8","3","8","9","1") = "9"
    & skf18("4","10","8","3","8","10","1") = "9"
    & skf18("4","10","8","3","9","1","1") = "9"
    & skf18("4","10","8","3","9","2","1") = "9"
    & skf18("4","10","8","3","9","3","1") = "9"
    & skf18("4","10","8","3","9","4","1") = "9"
    & skf18("4","10","8","3","9","5","1") = "9"
    & skf18("4","10","8","3","9","6","1") = "9"
    & skf18("4","10","8","3","9","7","1") = "9"
    & skf18("4","10","8","3","9","8","1") = "9"
    & skf18("4","10","8","3","9","9","1") = "9"
    & skf18("4","10","8","3","9","10","1") = "9"
    & skf18("4","10","8","3","10","1","1") = "9"
    & skf18("4","10","8","3","10","2","1") = "9"
    & skf18("4","10","8","3","10","3","1") = "9"
    & skf18("4","10","8","3","10","4","1") = "9"
    & skf18("4","10","8","3","10","5","1") = "9"
    & skf18("4","10","8","3","10","6","1") = "9"
    & skf18("4","10","8","3","10","7","1") = "9"
    & skf18("4","10","8","3","10","8","1") = "9"
    & skf18("4","10","8","3","10","9","1") = "9"
    & skf18("4","10","8","3","10","10","1") = "9"
    & skf18("4","10","8","4","1","1","1") = "9"
    & skf18("4","10","8","4","1","2","1") = "9"
    & skf18("4","10","8","4","1","3","1") = "9"
    & skf18("4","10","8","4","1","4","1") = "9"
    & skf18("4","10","8","4","1","5","1") = "9"
    & skf18("4","10","8","4","1","6","1") = "9"
    & skf18("4","10","8","4","1","7","1") = "9"
    & skf18("4","10","8","4","1","8","1") = "9"
    & skf18("4","10","8","4","1","9","1") = "9"
    & skf18("4","10","8","4","1","10","1") = "9"
    & skf18("4","10","8","4","2","1","1") = "9"
    & skf18("4","10","8","4","2","2","1") = "9"
    & skf18("4","10","8","4","2","3","1") = "9"
    & skf18("4","10","8","4","2","4","1") = "9"
    & skf18("4","10","8","4","2","5","1") = "9"
    & skf18("4","10","8","4","2","6","1") = "9"
    & skf18("4","10","8","4","2","7","1") = "9"
    & skf18("4","10","8","4","2","8","1") = "9"
    & skf18("4","10","8","4","2","9","1") = "9"
    & skf18("4","10","8","4","2","10","1") = "9"
    & skf18("4","10","8","4","3","1","1") = "9"
    & skf18("4","10","8","4","3","2","1") = "9"
    & skf18("4","10","8","4","3","3","1") = "9"
    & skf18("4","10","8","4","3","4","1") = "9"
    & skf18("4","10","8","4","3","5","1") = "9"
    & skf18("4","10","8","4","3","6","1") = "9"
    & skf18("4","10","8","4","3","7","1") = "9"
    & skf18("4","10","8","4","3","8","1") = "9"
    & skf18("4","10","8","4","3","9","1") = "9"
    & skf18("4","10","8","4","3","10","1") = "9"
    & skf18("4","10","8","4","4","1","1") = "9"
    & skf18("4","10","8","4","4","2","1") = "9"
    & skf18("4","10","8","4","4","3","1") = "9"
    & skf18("4","10","8","4","4","4","1") = "9"
    & skf18("4","10","8","4","4","5","1") = "9"
    & skf18("4","10","8","4","4","6","1") = "9"
    & skf18("4","10","8","4","4","7","1") = "9"
    & skf18("4","10","8","4","4","8","1") = "9"
    & skf18("4","10","8","4","4","9","1") = "9"
    & skf18("4","10","8","4","4","10","1") = "9"
    & skf18("4","10","8","4","5","1","1") = "9"
    & skf18("4","10","8","4","5","2","1") = "9"
    & skf18("4","10","8","4","5","3","1") = "9"
    & skf18("4","10","8","4","5","4","1") = "9"
    & skf18("4","10","8","4","5","5","1") = "9"
    & skf18("4","10","8","4","5","6","1") = "9"
    & skf18("4","10","8","4","5","7","1") = "9"
    & skf18("4","10","8","4","5","8","1") = "9"
    & skf18("4","10","8","4","5","9","1") = "9"
    & skf18("4","10","8","4","5","10","1") = "9"
    & skf18("4","10","8","4","6","1","1") = "9"
    & skf18("4","10","8","4","6","2","1") = "9"
    & skf18("4","10","8","4","6","3","1") = "9"
    & skf18("4","10","8","4","6","4","1") = "9"
    & skf18("4","10","8","4","6","5","1") = "9"
    & skf18("4","10","8","4","6","6","1") = "9"
    & skf18("4","10","8","4","6","7","1") = "9"
    & skf18("4","10","8","4","6","8","1") = "9"
    & skf18("4","10","8","4","6","9","1") = "9"
    & skf18("4","10","8","4","6","10","1") = "9"
    & skf18("4","10","8","4","7","1","1") = "9"
    & skf18("4","10","8","4","7","2","1") = "9"
    & skf18("4","10","8","4","7","3","1") = "9"
    & skf18("4","10","8","4","7","4","1") = "9"
    & skf18("4","10","8","4","7","5","1") = "9"
    & skf18("4","10","8","4","7","6","1") = "9"
    & skf18("4","10","8","4","7","7","1") = "9"
    & skf18("4","10","8","4","7","8","1") = "9"
    & skf18("4","10","8","4","7","9","1") = "9"
    & skf18("4","10","8","4","7","10","1") = "9"
    & skf18("4","10","8","4","8","1","1") = "9"
    & skf18("4","10","8","4","8","2","1") = "9"
    & skf18("4","10","8","4","8","3","1") = "9"
    & skf18("4","10","8","4","8","4","1") = "9"
    & skf18("4","10","8","4","8","5","1") = "9"
    & skf18("4","10","8","4","8","6","1") = "9"
    & skf18("4","10","8","4","8","7","1") = "9"
    & skf18("4","10","8","4","8","8","1") = "9"
    & skf18("4","10","8","4","8","9","1") = "9"
    & skf18("4","10","8","4","8","10","1") = "9"
    & skf18("4","10","8","4","9","1","1") = "9"
    & skf18("4","10","8","4","9","2","1") = "9"
    & skf18("4","10","8","4","9","3","1") = "9"
    & skf18("4","10","8","4","9","4","1") = "9"
    & skf18("4","10","8","4","9","5","1") = "9"
    & skf18("4","10","8","4","9","6","1") = "9"
    & skf18("4","10","8","4","9","7","1") = "9"
    & skf18("4","10","8","4","9","8","1") = "9"
    & skf18("4","10","8","4","9","9","1") = "9"
    & skf18("4","10","8","4","9","10","1") = "9"
    & skf18("4","10","8","4","10","1","1") = "9"
    & skf18("4","10","8","4","10","2","1") = "9"
    & skf18("4","10","8","4","10","3","1") = "9"
    & skf18("4","10","8","4","10","4","1") = "9"
    & skf18("4","10","8","4","10","5","1") = "9"
    & skf18("4","10","8","4","10","6","1") = "9"
    & skf18("4","10","8","4","10","7","1") = "9"
    & skf18("4","10","8","4","10","8","1") = "9"
    & skf18("4","10","8","4","10","9","1") = "9"
    & skf18("4","10","8","4","10","10","1") = "9"
    & skf18("4","10","8","5","1","1","1") = "9"
    & skf18("4","10","8","5","1","2","1") = "9"
    & skf18("4","10","8","5","1","3","1") = "9"
    & skf18("4","10","8","5","1","4","1") = "9"
    & skf18("4","10","8","5","1","5","1") = "9"
    & skf18("4","10","8","5","1","6","1") = "9"
    & skf18("4","10","8","5","1","7","1") = "9"
    & skf18("4","10","8","5","1","8","1") = "9"
    & skf18("4","10","8","5","1","9","1") = "9"
    & skf18("4","10","8","5","1","10","1") = "9"
    & skf18("4","10","8","5","2","1","1") = "9"
    & skf18("4","10","8","5","2","2","1") = "9"
    & skf18("4","10","8","5","2","3","1") = "9"
    & skf18("4","10","8","5","2","4","1") = "9"
    & skf18("4","10","8","5","2","5","1") = "9"
    & skf18("4","10","8","5","2","6","1") = "9"
    & skf18("4","10","8","5","2","7","1") = "9"
    & skf18("4","10","8","5","2","8","1") = "9"
    & skf18("4","10","8","5","2","9","1") = "9"
    & skf18("4","10","8","5","2","10","1") = "9"
    & skf18("4","10","8","5","3","1","1") = "9"
    & skf18("4","10","8","5","3","2","1") = "9"
    & skf18("4","10","8","5","3","3","1") = "9"
    & skf18("4","10","8","5","3","4","1") = "9"
    & skf18("4","10","8","5","3","5","1") = "9"
    & skf18("4","10","8","5","3","6","1") = "9"
    & skf18("4","10","8","5","3","7","1") = "9"
    & skf18("4","10","8","5","3","8","1") = "9"
    & skf18("4","10","8","5","3","9","1") = "9"
    & skf18("4","10","8","5","3","10","1") = "9"
    & skf18("4","10","8","5","4","1","1") = "9"
    & skf18("4","10","8","5","4","2","1") = "9"
    & skf18("4","10","8","5","4","3","1") = "9"
    & skf18("4","10","8","5","4","4","1") = "9"
    & skf18("4","10","8","5","4","5","1") = "9"
    & skf18("4","10","8","5","4","6","1") = "9"
    & skf18("4","10","8","5","4","7","1") = "9"
    & skf18("4","10","8","5","4","8","1") = "9"
    & skf18("4","10","8","5","4","9","1") = "9"
    & skf18("4","10","8","5","4","10","1") = "9"
    & skf18("4","10","8","5","5","1","1") = "9"
    & skf18("4","10","8","5","5","2","1") = "9"
    & skf18("4","10","8","5","5","3","1") = "9"
    & skf18("4","10","8","5","5","4","1") = "9"
    & skf18("4","10","8","5","5","5","1") = "9"
    & skf18("4","10","8","5","5","6","1") = "9"
    & skf18("4","10","8","5","5","7","1") = "9"
    & skf18("4","10","8","5","5","8","1") = "9"
    & skf18("4","10","8","5","5","9","1") = "9"
    & skf18("4","10","8","5","5","10","1") = "9"
    & skf18("4","10","8","5","6","1","1") = "9"
    & skf18("4","10","8","5","6","2","1") = "9"
    & skf18("4","10","8","5","6","3","1") = "9"
    & skf18("4","10","8","5","6","4","1") = "9"
    & skf18("4","10","8","5","6","5","1") = "9"
    & skf18("4","10","8","5","6","6","1") = "9"
    & skf18("4","10","8","5","6","7","1") = "9"
    & skf18("4","10","8","5","6","8","1") = "9"
    & skf18("4","10","8","5","6","9","1") = "9"
    & skf18("4","10","8","5","6","10","1") = "9"
    & skf18("4","10","8","5","7","1","1") = "9"
    & skf18("4","10","8","5","7","2","1") = "9"
    & skf18("4","10","8","5","7","3","1") = "9"
    & skf18("4","10","8","5","7","4","1") = "9"
    & skf18("4","10","8","5","7","5","1") = "9"
    & skf18("4","10","8","5","7","6","1") = "9"
    & skf18("4","10","8","5","7","7","1") = "9"
    & skf18("4","10","8","5","7","8","1") = "9"
    & skf18("4","10","8","5","7","9","1") = "9"
    & skf18("4","10","8","5","7","10","1") = "9"
    & skf18("4","10","8","5","8","1","1") = "9"
    & skf18("4","10","8","5","8","2","1") = "9"
    & skf18("4","10","8","5","8","3","1") = "9"
    & skf18("4","10","8","5","8","4","1") = "9"
    & skf18("4","10","8","5","8","5","1") = "9"
    & skf18("4","10","8","5","8","6","1") = "9"
    & skf18("4","10","8","5","8","7","1") = "9"
    & skf18("4","10","8","5","8","8","1") = "9"
    & skf18("4","10","8","5","8","9","1") = "9"
    & skf18("4","10","8","5","8","10","1") = "9"
    & skf18("4","10","8","5","9","1","1") = "9"
    & skf18("4","10","8","5","9","2","1") = "9"
    & skf18("4","10","8","5","9","3","1") = "9"
    & skf18("4","10","8","5","9","4","1") = "9"
    & skf18("4","10","8","5","9","5","1") = "9"
    & skf18("4","10","8","5","9","6","1") = "9"
    & skf18("4","10","8","5","9","7","1") = "9"
    & skf18("4","10","8","5","9","8","1") = "9"
    & skf18("4","10","8","5","9","9","1") = "9"
    & skf18("4","10","8","5","9","10","1") = "9"
    & skf18("4","10","8","5","10","1","1") = "9"
    & skf18("4","10","8","5","10","2","1") = "9"
    & skf18("4","10","8","5","10","3","1") = "9"
    & skf18("4","10","8","5","10","4","1") = "9"
    & skf18("4","10","8","5","10","5","1") = "9"
    & skf18("4","10","8","5","10","6","1") = "9"
    & skf18("4","10","8","5","10","7","1") = "9"
    & skf18("4","10","8","5","10","8","1") = "9"
    & skf18("4","10","8","5","10","9","1") = "9"
    & skf18("4","10","8","5","10","10","1") = "9"
    & skf18("4","10","8","6","1","1","1") = "9"
    & skf18("4","10","8","6","1","2","1") = "9"
    & skf18("4","10","8","6","1","3","1") = "9"
    & skf18("4","10","8","6","1","4","1") = "9"
    & skf18("4","10","8","6","1","5","1") = "9"
    & skf18("4","10","8","6","1","6","1") = "9"
    & skf18("4","10","8","6","1","7","1") = "9"
    & skf18("4","10","8","6","1","8","1") = "9"
    & skf18("4","10","8","6","1","9","1") = "9"
    & skf18("4","10","8","6","1","10","1") = "9"
    & skf18("4","10","8","6","2","1","1") = "9"
    & skf18("4","10","8","6","2","2","1") = "9"
    & skf18("4","10","8","6","2","3","1") = "9"
    & skf18("4","10","8","6","2","4","1") = "9"
    & skf18("4","10","8","6","2","5","1") = "9"
    & skf18("4","10","8","6","2","6","1") = "9"
    & skf18("4","10","8","6","2","7","1") = "9"
    & skf18("4","10","8","6","2","8","1") = "9"
    & skf18("4","10","8","6","2","9","1") = "9"
    & skf18("4","10","8","6","2","10","1") = "9"
    & skf18("4","10","8","6","3","1","1") = "9"
    & skf18("4","10","8","6","3","2","1") = "9"
    & skf18("4","10","8","6","3","3","1") = "9"
    & skf18("4","10","8","6","3","4","1") = "9"
    & skf18("4","10","8","6","3","5","1") = "9"
    & skf18("4","10","8","6","3","6","1") = "9"
    & skf18("4","10","8","6","3","7","1") = "9"
    & skf18("4","10","8","6","3","8","1") = "9"
    & skf18("4","10","8","6","3","9","1") = "9"
    & skf18("4","10","8","6","3","10","1") = "9"
    & skf18("4","10","8","6","4","1","1") = "9"
    & skf18("4","10","8","6","4","2","1") = "9"
    & skf18("4","10","8","6","4","3","1") = "9"
    & skf18("4","10","8","6","4","4","1") = "9"
    & skf18("4","10","8","6","4","5","1") = "9"
    & skf18("4","10","8","6","4","6","1") = "9"
    & skf18("4","10","8","6","4","7","1") = "9"
    & skf18("4","10","8","6","4","8","1") = "9"
    & skf18("4","10","8","6","4","9","1") = "9"
    & skf18("4","10","8","6","4","10","1") = "9"
    & skf18("4","10","8","6","5","1","1") = "9"
    & skf18("4","10","8","6","5","2","1") = "9"
    & skf18("4","10","8","6","5","3","1") = "9"
    & skf18("4","10","8","6","5","4","1") = "9"
    & skf18("4","10","8","6","5","5","1") = "9"
    & skf18("4","10","8","6","5","6","1") = "9"
    & skf18("4","10","8","6","5","7","1") = "9"
    & skf18("4","10","8","6","5","8","1") = "9"
    & skf18("4","10","8","6","5","9","1") = "9"
    & skf18("4","10","8","6","5","10","1") = "9"
    & skf18("4","10","8","6","6","1","1") = "9"
    & skf18("4","10","8","6","6","2","1") = "9"
    & skf18("4","10","8","6","6","3","1") = "9"
    & skf18("4","10","8","6","6","4","1") = "9"
    & skf18("4","10","8","6","6","5","1") = "9"
    & skf18("4","10","8","6","6","6","1") = "9"
    & skf18("4","10","8","6","6","7","1") = "9"
    & skf18("4","10","8","6","6","8","1") = "9"
    & skf18("4","10","8","6","6","9","1") = "9"
    & skf18("4","10","8","6","6","10","1") = "9"
    & skf18("4","10","8","6","7","1","1") = "9"
    & skf18("4","10","8","6","7","2","1") = "9"
    & skf18("4","10","8","6","7","3","1") = "9"
    & skf18("4","10","8","6","7","4","1") = "9"
    & skf18("4","10","8","6","7","5","1") = "9"
    & skf18("4","10","8","6","7","6","1") = "9"
    & skf18("4","10","8","6","7","7","1") = "9"
    & skf18("4","10","8","6","7","8","1") = "9"
    & skf18("4","10","8","6","7","9","1") = "9"
    & skf18("4","10","8","6","7","10","1") = "9"
    & skf18("4","10","8","6","8","1","1") = "9"
    & skf18("4","10","8","6","8","2","1") = "9"
    & skf18("4","10","8","6","8","3","1") = "9"
    & skf18("4","10","8","6","8","4","1") = "9"
    & skf18("4","10","8","6","8","5","1") = "9"
    & skf18("4","10","8","6","8","6","1") = "9"
    & skf18("4","10","8","6","8","7","1") = "9"
    & skf18("4","10","8","6","8","8","1") = "9"
    & skf18("4","10","8","6","8","9","1") = "9"
    & skf18("4","10","8","6","8","10","1") = "9"
    & skf18("4","10","8","6","9","1","1") = "9"
    & skf18("4","10","8","6","9","2","1") = "9"
    & skf18("4","10","8","6","9","3","1") = "9"
    & skf18("4","10","8","6","9","4","1") = "9"
    & skf18("4","10","8","6","9","5","1") = "9"
    & skf18("4","10","8","6","9","6","1") = "9"
    & skf18("4","10","8","6","9","7","1") = "9"
    & skf18("4","10","8","6","9","8","1") = "9"
    & skf18("4","10","8","6","9","9","1") = "9"
    & skf18("4","10","8","6","9","10","1") = "9"
    & skf18("4","10","8","6","10","1","1") = "9"
    & skf18("4","10","8","6","10","2","1") = "9"
    & skf18("4","10","8","6","10","3","1") = "9"
    & skf18("4","10","8","6","10","4","1") = "9"
    & skf18("4","10","8","6","10","5","1") = "9"
    & skf18("4","10","8","6","10","6","1") = "9"
    & skf18("4","10","8","6","10","7","1") = "9"
    & skf18("4","10","8","6","10","8","1") = "9"
    & skf18("4","10","8","6","10","9","1") = "9"
    & skf18("4","10","8","6","10","10","1") = "9"
    & skf18("4","10","8","7","1","1","1") = "9"
    & skf18("4","10","8","7","1","2","1") = "9"
    & skf18("4","10","8","7","1","3","1") = "9"
    & skf18("4","10","8","7","1","4","1") = "9"
    & skf18("4","10","8","7","1","5","1") = "9"
    & skf18("4","10","8","7","1","6","1") = "9"
    & skf18("4","10","8","7","1","7","1") = "9"
    & skf18("4","10","8","7","1","8","1") = "9"
    & skf18("4","10","8","7","1","9","1") = "9"
    & skf18("4","10","8","7","1","10","1") = "9"
    & skf18("4","10","8","7","2","1","1") = "9"
    & skf18("4","10","8","7","2","2","1") = "9"
    & skf18("4","10","8","7","2","3","1") = "9"
    & skf18("4","10","8","7","2","4","1") = "9"
    & skf18("4","10","8","7","2","5","1") = "9"
    & skf18("4","10","8","7","2","6","1") = "9"
    & skf18("4","10","8","7","2","7","1") = "9"
    & skf18("4","10","8","7","2","8","1") = "9"
    & skf18("4","10","8","7","2","9","1") = "9"
    & skf18("4","10","8","7","2","10","1") = "9"
    & skf18("4","10","8","7","3","1","1") = "9"
    & skf18("4","10","8","7","3","2","1") = "9"
    & skf18("4","10","8","7","3","3","1") = "9"
    & skf18("4","10","8","7","3","4","1") = "9"
    & skf18("4","10","8","7","3","5","1") = "9"
    & skf18("4","10","8","7","3","6","1") = "9"
    & skf18("4","10","8","7","3","7","1") = "9"
    & skf18("4","10","8","7","3","8","1") = "9"
    & skf18("4","10","8","7","3","9","1") = "9"
    & skf18("4","10","8","7","3","10","1") = "9"
    & skf18("4","10","8","7","4","1","1") = "9"
    & skf18("4","10","8","7","4","2","1") = "9"
    & skf18("4","10","8","7","4","3","1") = "9"
    & skf18("4","10","8","7","4","4","1") = "9"
    & skf18("4","10","8","7","4","5","1") = "9"
    & skf18("4","10","8","7","4","6","1") = "9"
    & skf18("4","10","8","7","4","7","1") = "9"
    & skf18("4","10","8","7","4","8","1") = "9"
    & skf18("4","10","8","7","4","9","1") = "9"
    & skf18("4","10","8","7","4","10","1") = "9"
    & skf18("4","10","8","7","5","1","1") = "9"
    & skf18("4","10","8","7","5","2","1") = "9"
    & skf18("4","10","8","7","5","3","1") = "9"
    & skf18("4","10","8","7","5","4","1") = "9"
    & skf18("4","10","8","7","5","5","1") = "9"
    & skf18("4","10","8","7","5","6","1") = "9"
    & skf18("4","10","8","7","5","7","1") = "9"
    & skf18("4","10","8","7","5","8","1") = "9"
    & skf18("4","10","8","7","5","9","1") = "9"
    & skf18("4","10","8","7","5","10","1") = "9"
    & skf18("4","10","8","7","6","1","1") = "9"
    & skf18("4","10","8","7","6","2","1") = "9"
    & skf18("4","10","8","7","6","3","1") = "9"
    & skf18("4","10","8","7","6","4","1") = "9"
    & skf18("4","10","8","7","6","5","1") = "9"
    & skf18("4","10","8","7","6","6","1") = "9"
    & skf18("4","10","8","7","6","7","1") = "9"
    & skf18("4","10","8","7","6","8","1") = "9"
    & skf18("4","10","8","7","6","9","1") = "9"
    & skf18("4","10","8","7","6","10","1") = "9"
    & skf18("4","10","8","7","7","1","1") = "9"
    & skf18("4","10","8","7","7","2","1") = "9"
    & skf18("4","10","8","7","7","3","1") = "9"
    & skf18("4","10","8","7","7","4","1") = "9"
    & skf18("4","10","8","7","7","5","1") = "9"
    & skf18("4","10","8","7","7","6","1") = "9"
    & skf18("4","10","8","7","7","7","1") = "9"
    & skf18("4","10","8","7","7","8","1") = "9"
    & skf18("4","10","8","7","7","9","1") = "9"
    & skf18("4","10","8","7","7","10","1") = "9"
    & skf18("4","10","8","7","8","1","1") = "9"
    & skf18("4","10","8","7","8","2","1") = "9"
    & skf18("4","10","8","7","8","3","1") = "9"
    & skf18("4","10","8","7","8","4","1") = "9"
    & skf18("4","10","8","7","8","5","1") = "9"
    & skf18("4","10","8","7","8","6","1") = "9"
    & skf18("4","10","8","7","8","7","1") = "9"
    & skf18("4","10","8","7","8","8","1") = "9"
    & skf18("4","10","8","7","8","9","1") = "9"
    & skf18("4","10","8","7","8","10","1") = "9"
    & skf18("4","10","8","7","9","1","1") = "9"
    & skf18("4","10","8","7","9","2","1") = "9"
    & skf18("4","10","8","7","9","3","1") = "9"
    & skf18("4","10","8","7","9","4","1") = "9"
    & skf18("4","10","8","7","9","5","1") = "9"
    & skf18("4","10","8","7","9","6","1") = "9"
    & skf18("4","10","8","7","9","7","1") = "9"
    & skf18("4","10","8","7","9","8","1") = "9"
    & skf18("4","10","8","7","9","9","1") = "9"
    & skf18("4","10","8","7","9","10","1") = "9"
    & skf18("4","10","8","7","10","1","1") = "9"
    & skf18("4","10","8","7","10","2","1") = "9"
    & skf18("4","10","8","7","10","3","1") = "9"
    & skf18("4","10","8","7","10","4","1") = "9"
    & skf18("4","10","8","7","10","5","1") = "9"
    & skf18("4","10","8","7","10","6","1") = "9"
    & skf18("4","10","8","7","10","7","1") = "9"
    & skf18("4","10","8","7","10","8","1") = "9"
    & skf18("4","10","8","7","10","9","1") = "9"
    & skf18("4","10","8","7","10","10","1") = "9"
    & skf18("4","10","8","8","1","1","1") = "9"
    & skf18("4","10","8","8","1","2","1") = "9"
    & skf18("4","10","8","8","1","3","1") = "9"
    & skf18("4","10","8","8","1","4","1") = "9"
    & skf18("4","10","8","8","1","5","1") = "9"
    & skf18("4","10","8","8","1","6","1") = "9"
    & skf18("4","10","8","8","1","7","1") = "9"
    & skf18("4","10","8","8","1","8","1") = "9"
    & skf18("4","10","8","8","1","9","1") = "9"
    & skf18("4","10","8","8","1","10","1") = "9"
    & skf18("4","10","8","8","2","1","1") = "9"
    & skf18("4","10","8","8","2","2","1") = "9"
    & skf18("4","10","8","8","2","3","1") = "9"
    & skf18("4","10","8","8","2","4","1") = "9"
    & skf18("4","10","8","8","2","5","1") = "9"
    & skf18("4","10","8","8","2","6","1") = "9"
    & skf18("4","10","8","8","2","7","1") = "9"
    & skf18("4","10","8","8","2","8","1") = "9"
    & skf18("4","10","8","8","2","9","1") = "9"
    & skf18("4","10","8","8","2","10","1") = "9"
    & skf18("4","10","8","8","3","1","1") = "9"
    & skf18("4","10","8","8","3","2","1") = "9"
    & skf18("4","10","8","8","3","3","1") = "9"
    & skf18("4","10","8","8","3","4","1") = "9"
    & skf18("4","10","8","8","3","5","1") = "9"
    & skf18("4","10","8","8","3","6","1") = "9"
    & skf18("4","10","8","8","3","7","1") = "9"
    & skf18("4","10","8","8","3","8","1") = "9"
    & skf18("4","10","8","8","3","9","1") = "9"
    & skf18("4","10","8","8","3","10","1") = "9"
    & skf18("4","10","8","8","4","1","1") = "9"
    & skf18("4","10","8","8","4","2","1") = "9"
    & skf18("4","10","8","8","4","3","1") = "9"
    & skf18("4","10","8","8","4","4","1") = "9"
    & skf18("4","10","8","8","4","5","1") = "9"
    & skf18("4","10","8","8","4","6","1") = "9"
    & skf18("4","10","8","8","4","7","1") = "9"
    & skf18("4","10","8","8","4","8","1") = "9"
    & skf18("4","10","8","8","4","9","1") = "9"
    & skf18("4","10","8","8","4","10","1") = "9"
    & skf18("4","10","8","8","5","1","1") = "9"
    & skf18("4","10","8","8","5","2","1") = "9"
    & skf18("4","10","8","8","5","3","1") = "9"
    & skf18("4","10","8","8","5","4","1") = "9"
    & skf18("4","10","8","8","5","5","1") = "9"
    & skf18("4","10","8","8","5","6","1") = "9"
    & skf18("4","10","8","8","5","7","1") = "9"
    & skf18("4","10","8","8","5","8","1") = "9"
    & skf18("4","10","8","8","5","9","1") = "9"
    & skf18("4","10","8","8","5","10","1") = "9"
    & skf18("4","10","8","8","6","1","1") = "9"
    & skf18("4","10","8","8","6","2","1") = "9"
    & skf18("4","10","8","8","6","3","1") = "9"
    & skf18("4","10","8","8","6","4","1") = "9"
    & skf18("4","10","8","8","6","5","1") = "9"
    & skf18("4","10","8","8","6","6","1") = "9"
    & skf18("4","10","8","8","6","7","1") = "9"
    & skf18("4","10","8","8","6","8","1") = "9"
    & skf18("4","10","8","8","6","9","1") = "9"
    & skf18("4","10","8","8","6","10","1") = "9"
    & skf18("4","10","8","8","7","1","1") = "9"
    & skf18("4","10","8","8","7","2","1") = "9"
    & skf18("4","10","8","8","7","3","1") = "9"
    & skf18("4","10","8","8","7","4","1") = "9"
    & skf18("4","10","8","8","7","5","1") = "9"
    & skf18("4","10","8","8","7","6","1") = "9"
    & skf18("4","10","8","8","7","7","1") = "9"
    & skf18("4","10","8","8","7","8","1") = "9"
    & skf18("4","10","8","8","7","9","1") = "9"
    & skf18("4","10","8","8","7","10","1") = "9"
    & skf18("4","10","8","8","8","1","1") = "9"
    & skf18("4","10","8","8","8","2","1") = "9"
    & skf18("4","10","8","8","8","3","1") = "9"
    & skf18("4","10","8","8","8","4","1") = "9"
    & skf18("4","10","8","8","8","5","1") = "9"
    & skf18("4","10","8","8","8","6","1") = "9"
    & skf18("4","10","8","8","8","7","1") = "9"
    & skf18("4","10","8","8","8","8","1") = "9"
    & skf18("4","10","8","8","8","9","1") = "9"
    & skf18("4","10","8","8","8","10","1") = "9"
    & skf18("4","10","8","8","9","1","1") = "9"
    & skf18("4","10","8","8","9","2","1") = "9"
    & skf18("4","10","8","8","9","3","1") = "9"
    & skf18("4","10","8","8","9","4","1") = "9"
    & skf18("4","10","8","8","9","5","1") = "9"
    & skf18("4","10","8","8","9","6","1") = "9"
    & skf18("4","10","8","8","9","7","1") = "9"
    & skf18("4","10","8","8","9","8","1") = "9"
    & skf18("4","10","8","8","9","9","1") = "9"
    & skf18("4","10","8","8","9","10","1") = "9"
    & skf18("4","10","8","8","10","1","1") = "9"
    & skf18("4","10","8","8","10","2","1") = "9"
    & skf18("4","10","8","8","10","3","1") = "9"
    & skf18("4","10","8","8","10","4","1") = "9"
    & skf18("4","10","8","8","10","5","1") = "9"
    & skf18("4","10","8","8","10","6","1") = "9"
    & skf18("4","10","8","8","10","7","1") = "9"
    & skf18("4","10","8","8","10","8","1") = "9"
    & skf18("4","10","8","8","10","9","1") = "9"
    & skf18("4","10","8","8","10","10","1") = "9"
    & skf18("4","10","8","9","1","1","1") = "9"
    & skf18("4","10","8","9","1","2","1") = "9"
    & skf18("4","10","8","9","1","3","1") = "9"
    & skf18("4","10","8","9","1","4","1") = "9"
    & skf18("4","10","8","9","1","5","1") = "9"
    & skf18("4","10","8","9","1","6","1") = "9"
    & skf18("4","10","8","9","1","7","1") = "9"
    & skf18("4","10","8","9","1","8","1") = "9"
    & skf18("4","10","8","9","1","9","1") = "9"
    & skf18("4","10","8","9","1","10","1") = "9"
    & skf18("4","10","8","9","2","1","1") = "9"
    & skf18("4","10","8","9","2","2","1") = "9"
    & skf18("4","10","8","9","2","3","1") = "9"
    & skf18("4","10","8","9","2","4","1") = "9"
    & skf18("4","10","8","9","2","5","1") = "9"
    & skf18("4","10","8","9","2","6","1") = "9"
    & skf18("4","10","8","9","2","7","1") = "9"
    & skf18("4","10","8","9","2","8","1") = "9"
    & skf18("4","10","8","9","2","9","1") = "9"
    & skf18("4","10","8","9","2","10","1") = "9"
    & skf18("4","10","8","9","3","1","1") = "9"
    & skf18("4","10","8","9","3","2","1") = "9"
    & skf18("4","10","8","9","3","3","1") = "9"
    & skf18("4","10","8","9","3","4","1") = "9"
    & skf18("4","10","8","9","3","5","1") = "9"
    & skf18("4","10","8","9","3","6","1") = "9"
    & skf18("4","10","8","9","3","7","1") = "9"
    & skf18("4","10","8","9","3","8","1") = "9"
    & skf18("4","10","8","9","3","9","1") = "9"
    & skf18("4","10","8","9","3","10","1") = "9"
    & skf18("4","10","8","9","4","1","1") = "9"
    & skf18("4","10","8","9","4","2","1") = "9"
    & skf18("4","10","8","9","4","3","1") = "9"
    & skf18("4","10","8","9","4","4","1") = "9"
    & skf18("4","10","8","9","4","5","1") = "9"
    & skf18("4","10","8","9","4","6","1") = "9"
    & skf18("4","10","8","9","4","7","1") = "9"
    & skf18("4","10","8","9","4","8","1") = "9"
    & skf18("4","10","8","9","4","9","1") = "9"
    & skf18("4","10","8","9","4","10","1") = "9"
    & skf18("4","10","8","9","5","1","1") = "9"
    & skf18("4","10","8","9","5","2","1") = "9"
    & skf18("4","10","8","9","5","3","1") = "9"
    & skf18("4","10","8","9","5","4","1") = "9"
    & skf18("4","10","8","9","5","5","1") = "9"
    & skf18("4","10","8","9","5","6","1") = "9"
    & skf18("4","10","8","9","5","7","1") = "9"
    & skf18("4","10","8","9","5","8","1") = "9"
    & skf18("4","10","8","9","5","9","1") = "9"
    & skf18("4","10","8","9","5","10","1") = "9"
    & skf18("4","10","8","9","6","1","1") = "9"
    & skf18("4","10","8","9","6","2","1") = "9"
    & skf18("4","10","8","9","6","3","1") = "9"
    & skf18("4","10","8","9","6","4","1") = "9"
    & skf18("4","10","8","9","6","5","1") = "9"
    & skf18("4","10","8","9","6","6","1") = "9"
    & skf18("4","10","8","9","6","7","1") = "9"
    & skf18("4","10","8","9","6","8","1") = "9"
    & skf18("4","10","8","9","6","9","1") = "9"
    & skf18("4","10","8","9","6","10","1") = "9"
    & skf18("4","10","8","9","7","1","1") = "9"
    & skf18("4","10","8","9","7","2","1") = "9"
    & skf18("4","10","8","9","7","3","1") = "9"
    & skf18("4","10","8","9","7","4","1") = "9"
    & skf18("4","10","8","9","7","5","1") = "9"
    & skf18("4","10","8","9","7","6","1") = "9"
    & skf18("4","10","8","9","7","7","1") = "9"
    & skf18("4","10","8","9","7","8","1") = "9"
    & skf18("4","10","8","9","7","9","1") = "9"
    & skf18("4","10","8","9","7","10","1") = "9"
    & skf18("4","10","8","9","8","1","1") = "9"
    & skf18("4","10","8","9","8","2","1") = "9"
    & skf18("4","10","8","9","8","3","1") = "9"
    & skf18("4","10","8","9","8","4","1") = "9"
    & skf18("4","10","8","9","8","5","1") = "9"
    & skf18("4","10","8","9","8","6","1") = "9"
    & skf18("4","10","8","9","8","7","1") = "9"
    & skf18("4","10","8","9","8","8","1") = "9"
    & skf18("4","10","8","9","8","9","1") = "9"
    & skf18("4","10","8","9","8","10","1") = "9"
    & skf18("4","10","8","9","9","1","1") = "9"
    & skf18("4","10","8","9","9","2","1") = "9"
    & skf18("4","10","8","9","9","3","1") = "9"
    & skf18("4","10","8","9","9","4","1") = "9"
    & skf18("4","10","8","9","9","5","1") = "9"
    & skf18("4","10","8","9","9","6","1") = "9"
    & skf18("4","10","8","9","9","7","1") = "9"
    & skf18("4","10","8","9","9","8","1") = "9"
    & skf18("4","10","8","9","9","9","1") = "9"
    & skf18("4","10","8","9","9","10","1") = "9"
    & skf18("4","10","8","9","10","1","1") = "9"
    & skf18("4","10","8","9","10","2","1") = "9"
    & skf18("4","10","8","9","10","3","1") = "9"
    & skf18("4","10","8","9","10","4","1") = "9"
    & skf18("4","10","8","9","10","5","1") = "9"
    & skf18("4","10","8","9","10","6","1") = "9"
    & skf18("4","10","8","9","10","7","1") = "9"
    & skf18("4","10","8","9","10","8","1") = "9"
    & skf18("4","10","8","9","10","9","1") = "9"
    & skf18("4","10","8","9","10","10","1") = "9"
    & skf18("4","10","8","10","1","1","1") = "9"
    & skf18("4","10","8","10","1","2","1") = "9"
    & skf18("4","10","8","10","1","3","1") = "9"
    & skf18("4","10","8","10","1","4","1") = "9"
    & skf18("4","10","8","10","1","5","1") = "9"
    & skf18("4","10","8","10","1","6","1") = "9"
    & skf18("4","10","8","10","1","7","1") = "9"
    & skf18("4","10","8","10","1","8","1") = "9"
    & skf18("4","10","8","10","1","9","1") = "9"
    & skf18("4","10","8","10","1","10","1") = "9"
    & skf18("4","10","8","10","2","1","1") = "9"
    & skf18("4","10","8","10","2","2","1") = "9"
    & skf18("4","10","8","10","2","3","1") = "9"
    & skf18("4","10","8","10","2","4","1") = "9"
    & skf18("4","10","8","10","2","5","1") = "9"
    & skf18("4","10","8","10","2","6","1") = "9"
    & skf18("4","10","8","10","2","7","1") = "9"
    & skf18("4","10","8","10","2","8","1") = "9"
    & skf18("4","10","8","10","2","9","1") = "9"
    & skf18("4","10","8","10","2","10","1") = "9"
    & skf18("4","10","8","10","3","1","1") = "9"
    & skf18("4","10","8","10","3","2","1") = "9"
    & skf18("4","10","8","10","3","3","1") = "9"
    & skf18("4","10","8","10","3","4","1") = "9"
    & skf18("4","10","8","10","3","5","1") = "9"
    & skf18("4","10","8","10","3","6","1") = "9"
    & skf18("4","10","8","10","3","7","1") = "9"
    & skf18("4","10","8","10","3","8","1") = "9"
    & skf18("4","10","8","10","3","9","1") = "9"
    & skf18("4","10","8","10","3","10","1") = "9"
    & skf18("4","10","8","10","4","1","1") = "9"
    & skf18("4","10","8","10","4","2","1") = "9"
    & skf18("4","10","8","10","4","3","1") = "9"
    & skf18("4","10","8","10","4","4","1") = "9"
    & skf18("4","10","8","10","4","5","1") = "9"
    & skf18("4","10","8","10","4","6","1") = "9"
    & skf18("4","10","8","10","4","7","1") = "9"
    & skf18("4","10","8","10","4","8","1") = "9"
    & skf18("4","10","8","10","4","9","1") = "9"
    & skf18("4","10","8","10","4","10","1") = "9"
    & skf18("4","10","8","10","5","1","1") = "9"
    & skf18("4","10","8","10","5","2","1") = "9"
    & skf18("4","10","8","10","5","3","1") = "9"
    & skf18("4","10","8","10","5","4","1") = "9"
    & skf18("4","10","8","10","5","5","1") = "9"
    & skf18("4","10","8","10","5","6","1") = "9"
    & skf18("4","10","8","10","5","7","1") = "9"
    & skf18("4","10","8","10","5","8","1") = "9"
    & skf18("4","10","8","10","5","9","1") = "9"
    & skf18("4","10","8","10","5","10","1") = "9"
    & skf18("4","10","8","10","6","1","1") = "9"
    & skf18("4","10","8","10","6","2","1") = "9"
    & skf18("4","10","8","10","6","3","1") = "9"
    & skf18("4","10","8","10","6","4","1") = "9"
    & skf18("4","10","8","10","6","5","1") = "9"
    & skf18("4","10","8","10","6","6","1") = "9"
    & skf18("4","10","8","10","6","7","1") = "9"
    & skf18("4","10","8","10","6","8","1") = "9"
    & skf18("4","10","8","10","6","9","1") = "9"
    & skf18("4","10","8","10","6","10","1") = "9"
    & skf18("4","10","8","10","7","1","1") = "9"
    & skf18("4","10","8","10","7","2","1") = "9"
    & skf18("4","10","8","10","7","3","1") = "9"
    & skf18("4","10","8","10","7","4","1") = "9"
    & skf18("4","10","8","10","7","5","1") = "9"
    & skf18("4","10","8","10","7","6","1") = "9"
    & skf18("4","10","8","10","7","7","1") = "9"
    & skf18("4","10","8","10","7","8","1") = "9"
    & skf18("4","10","8","10","7","9","1") = "9"
    & skf18("4","10","8","10","7","10","1") = "9"
    & skf18("4","10","8","10","8","1","1") = "9"
    & skf18("4","10","8","10","8","2","1") = "9"
    & skf18("4","10","8","10","8","3","1") = "9"
    & skf18("4","10","8","10","8","4","1") = "9"
    & skf18("4","10","8","10","8","5","1") = "9"
    & skf18("4","10","8","10","8","6","1") = "9"
    & skf18("4","10","8","10","8","7","1") = "9"
    & skf18("4","10","8","10","8","8","1") = "9"
    & skf18("4","10","8","10","8","9","1") = "9"
    & skf18("4","10","8","10","8","10","1") = "9"
    & skf18("4","10","8","10","9","1","1") = "9"
    & skf18("4","10","8","10","9","2","1") = "9"
    & skf18("4","10","8","10","9","3","1") = "9"
    & skf18("4","10","8","10","9","4","1") = "9"
    & skf18("4","10","8","10","9","5","1") = "9"
    & skf18("4","10","8","10","9","6","1") = "9"
    & skf18("4","10","8","10","9","7","1") = "9"
    & skf18("4","10","8","10","9","8","1") = "9"
    & skf18("4","10","8","10","9","9","1") = "9"
    & skf18("4","10","8","10","9","10","1") = "9"
    & skf18("4","10","8","10","10","1","1") = "9"
    & skf18("4","10","8","10","10","2","1") = "9"
    & skf18("4","10","8","10","10","3","1") = "9"
    & skf18("4","10","8","10","10","4","1") = "9"
    & skf18("4","10","8","10","10","5","1") = "9"
    & skf18("4","10","8","10","10","6","1") = "9"
    & skf18("4","10","8","10","10","7","1") = "9"
    & skf18("4","10","8","10","10","8","1") = "9"
    & skf18("4","10","8","10","10","9","1") = "9"
    & skf18("4","10","8","10","10","10","1") = "9"
    & skf18("4","10","9","1","1","1","1") = "9"
    & skf18("4","10","9","1","1","2","1") = "9"
    & skf18("4","10","9","1","1","3","1") = "9"
    & skf18("4","10","9","1","1","4","1") = "9"
    & skf18("4","10","9","1","1","5","1") = "9"
    & skf18("4","10","9","1","1","6","1") = "9"
    & skf18("4","10","9","1","1","7","1") = "9"
    & skf18("4","10","9","1","1","8","1") = "9"
    & skf18("4","10","9","1","1","9","1") = "9"
    & skf18("4","10","9","1","1","10","1") = "9"
    & skf18("4","10","9","1","2","1","1") = "9"
    & skf18("4","10","9","1","2","2","1") = "9"
    & skf18("4","10","9","1","2","3","1") = "9"
    & skf18("4","10","9","1","2","4","1") = "9"
    & skf18("4","10","9","1","2","5","1") = "9"
    & skf18("4","10","9","1","2","6","1") = "9"
    & skf18("4","10","9","1","2","7","1") = "9"
    & skf18("4","10","9","1","2","8","1") = "9"
    & skf18("4","10","9","1","2","9","1") = "9"
    & skf18("4","10","9","1","2","10","1") = "9"
    & skf18("4","10","9","1","3","1","1") = "9"
    & skf18("4","10","9","1","3","2","1") = "9"
    & skf18("4","10","9","1","3","3","1") = "9"
    & skf18("4","10","9","1","3","4","1") = "9"
    & skf18("4","10","9","1","3","5","1") = "9"
    & skf18("4","10","9","1","3","6","1") = "9"
    & skf18("4","10","9","1","3","7","1") = "9"
    & skf18("4","10","9","1","3","8","1") = "9"
    & skf18("4","10","9","1","3","9","1") = "9"
    & skf18("4","10","9","1","3","10","1") = "9"
    & skf18("4","10","9","1","4","1","1") = "9"
    & skf18("4","10","9","1","4","2","1") = "9"
    & skf18("4","10","9","1","4","3","1") = "9"
    & skf18("4","10","9","1","4","4","1") = "9"
    & skf18("4","10","9","1","4","5","1") = "9"
    & skf18("4","10","9","1","4","6","1") = "9"
    & skf18("4","10","9","1","4","7","1") = "9"
    & skf18("4","10","9","1","4","8","1") = "9"
    & skf18("4","10","9","1","4","9","1") = "9"
    & skf18("4","10","9","1","4","10","1") = "9"
    & skf18("4","10","9","1","5","1","1") = "9"
    & skf18("4","10","9","1","5","2","1") = "9"
    & skf18("4","10","9","1","5","3","1") = "9"
    & skf18("4","10","9","1","5","4","1") = "9"
    & skf18("4","10","9","1","5","5","1") = "9"
    & skf18("4","10","9","1","5","6","1") = "9"
    & skf18("4","10","9","1","5","7","1") = "9"
    & skf18("4","10","9","1","5","8","1") = "9"
    & skf18("4","10","9","1","5","9","1") = "9"
    & skf18("4","10","9","1","5","10","1") = "9"
    & skf18("4","10","9","1","6","1","1") = "9"
    & skf18("4","10","9","1","6","2","1") = "9"
    & skf18("4","10","9","1","6","3","1") = "9"
    & skf18("4","10","9","1","6","4","1") = "9"
    & skf18("4","10","9","1","6","5","1") = "9"
    & skf18("4","10","9","1","6","6","1") = "9"
    & skf18("4","10","9","1","6","7","1") = "9"
    & skf18("4","10","9","1","6","8","1") = "9"
    & skf18("4","10","9","1","6","9","1") = "9"
    & skf18("4","10","9","1","6","10","1") = "9"
    & skf18("4","10","9","1","7","1","1") = "9"
    & skf18("4","10","9","1","7","2","1") = "9"
    & skf18("4","10","9","1","7","3","1") = "9"
    & skf18("4","10","9","1","7","4","1") = "9"
    & skf18("4","10","9","1","7","5","1") = "9"
    & skf18("4","10","9","1","7","6","1") = "9"
    & skf18("4","10","9","1","7","7","1") = "9"
    & skf18("4","10","9","1","7","8","1") = "9"
    & skf18("4","10","9","1","7","9","1") = "9"
    & skf18("4","10","9","1","7","10","1") = "9"
    & skf18("4","10","9","1","8","1","1") = "9"
    & skf18("4","10","9","1","8","2","1") = "9"
    & skf18("4","10","9","1","8","3","1") = "9"
    & skf18("4","10","9","1","8","4","1") = "9"
    & skf18("4","10","9","1","8","5","1") = "9"
    & skf18("4","10","9","1","8","6","1") = "9"
    & skf18("4","10","9","1","8","7","1") = "9"
    & skf18("4","10","9","1","8","8","1") = "9"
    & skf18("4","10","9","1","8","9","1") = "9"
    & skf18("4","10","9","1","8","10","1") = "9"
    & skf18("4","10","9","1","9","1","1") = "9"
    & skf18("4","10","9","1","9","2","1") = "9"
    & skf18("4","10","9","1","9","3","1") = "9"
    & skf18("4","10","9","1","9","4","1") = "9"
    & skf18("4","10","9","1","9","5","1") = "9"
    & skf18("4","10","9","1","9","6","1") = "9"
    & skf18("4","10","9","1","9","7","1") = "9"
    & skf18("4","10","9","1","9","8","1") = "9"
    & skf18("4","10","9","1","9","9","1") = "9"
    & skf18("4","10","9","1","9","10","1") = "9"
    & skf18("4","10","9","1","10","1","1") = "9"
    & skf18("4","10","9","1","10","2","1") = "9"
    & skf18("4","10","9","1","10","3","1") = "9"
    & skf18("4","10","9","1","10","4","1") = "9"
    & skf18("4","10","9","1","10","5","1") = "9"
    & skf18("4","10","9","1","10","6","1") = "9"
    & skf18("4","10","9","1","10","7","1") = "9"
    & skf18("4","10","9","1","10","8","1") = "9"
    & skf18("4","10","9","1","10","9","1") = "9"
    & skf18("4","10","9","1","10","10","1") = "9"
    & skf18("4","10","9","2","1","1","1") = "9"
    & skf18("4","10","9","2","1","2","1") = "9"
    & skf18("4","10","9","2","1","3","1") = "9"
    & skf18("4","10","9","2","1","4","1") = "9"
    & skf18("4","10","9","2","1","5","1") = "9"
    & skf18("4","10","9","2","1","6","1") = "9"
    & skf18("4","10","9","2","1","7","1") = "9"
    & skf18("4","10","9","2","1","8","1") = "9"
    & skf18("4","10","9","2","1","9","1") = "9"
    & skf18("4","10","9","2","1","10","1") = "9"
    & skf18("4","10","9","2","2","1","1") = "9"
    & skf18("4","10","9","2","2","2","1") = "9"
    & skf18("4","10","9","2","2","3","1") = "9"
    & skf18("4","10","9","2","2","4","1") = "9"
    & skf18("4","10","9","2","2","5","1") = "9"
    & skf18("4","10","9","2","2","6","1") = "9"
    & skf18("4","10","9","2","2","7","1") = "9"
    & skf18("4","10","9","2","2","8","1") = "9"
    & skf18("4","10","9","2","2","9","1") = "9"
    & skf18("4","10","9","2","2","10","1") = "9"
    & skf18("4","10","9","2","3","1","1") = "9"
    & skf18("4","10","9","2","3","2","1") = "9"
    & skf18("4","10","9","2","3","3","1") = "9"
    & skf18("4","10","9","2","3","4","1") = "9"
    & skf18("4","10","9","2","3","5","1") = "9"
    & skf18("4","10","9","2","3","6","1") = "9"
    & skf18("4","10","9","2","3","7","1") = "9"
    & skf18("4","10","9","2","3","8","1") = "9"
    & skf18("4","10","9","2","3","9","1") = "9"
    & skf18("4","10","9","2","3","10","1") = "9"
    & skf18("4","10","9","2","4","1","1") = "9"
    & skf18("4","10","9","2","4","2","1") = "9"
    & skf18("4","10","9","2","4","3","1") = "9"
    & skf18("4","10","9","2","4","4","1") = "9"
    & skf18("4","10","9","2","4","5","1") = "9"
    & skf18("4","10","9","2","4","6","1") = "9"
    & skf18("4","10","9","2","4","7","1") = "9"
    & skf18("4","10","9","2","4","8","1") = "9"
    & skf18("4","10","9","2","4","9","1") = "9"
    & skf18("4","10","9","2","4","10","1") = "9"
    & skf18("4","10","9","2","5","1","1") = "9"
    & skf18("4","10","9","2","5","2","1") = "9"
    & skf18("4","10","9","2","5","3","1") = "9"
    & skf18("4","10","9","2","5","4","1") = "9"
    & skf18("4","10","9","2","5","5","1") = "9"
    & skf18("4","10","9","2","5","6","1") = "9"
    & skf18("4","10","9","2","5","7","1") = "9"
    & skf18("4","10","9","2","5","8","1") = "9"
    & skf18("4","10","9","2","5","9","1") = "9"
    & skf18("4","10","9","2","5","10","1") = "9"
    & skf18("4","10","9","2","6","1","1") = "9"
    & skf18("4","10","9","2","6","2","1") = "9"
    & skf18("4","10","9","2","6","3","1") = "9"
    & skf18("4","10","9","2","6","4","1") = "9"
    & skf18("4","10","9","2","6","5","1") = "9"
    & skf18("4","10","9","2","6","6","1") = "9"
    & skf18("4","10","9","2","6","7","1") = "9"
    & skf18("4","10","9","2","6","8","1") = "9"
    & skf18("4","10","9","2","6","9","1") = "9"
    & skf18("4","10","9","2","6","10","1") = "9"
    & skf18("4","10","9","2","7","1","1") = "9"
    & skf18("4","10","9","2","7","2","1") = "9"
    & skf18("4","10","9","2","7","3","1") = "9"
    & skf18("4","10","9","2","7","4","1") = "9"
    & skf18("4","10","9","2","7","5","1") = "9"
    & skf18("4","10","9","2","7","6","1") = "9"
    & skf18("4","10","9","2","7","7","1") = "9"
    & skf18("4","10","9","2","7","8","1") = "9"
    & skf18("4","10","9","2","7","9","1") = "9"
    & skf18("4","10","9","2","7","10","1") = "9"
    & skf18("4","10","9","2","8","1","1") = "9"
    & skf18("4","10","9","2","8","2","1") = "9"
    & skf18("4","10","9","2","8","3","1") = "9"
    & skf18("4","10","9","2","8","4","1") = "9"
    & skf18("4","10","9","2","8","5","1") = "9"
    & skf18("4","10","9","2","8","6","1") = "9"
    & skf18("4","10","9","2","8","7","1") = "9"
    & skf18("4","10","9","2","8","8","1") = "9"
    & skf18("4","10","9","2","8","9","1") = "9"
    & skf18("4","10","9","2","8","10","1") = "9"
    & skf18("4","10","9","2","9","1","1") = "9"
    & skf18("4","10","9","2","9","2","1") = "9"
    & skf18("4","10","9","2","9","3","1") = "9"
    & skf18("4","10","9","2","9","4","1") = "9"
    & skf18("4","10","9","2","9","5","1") = "9"
    & skf18("4","10","9","2","9","6","1") = "9"
    & skf18("4","10","9","2","9","7","1") = "9"
    & skf18("4","10","9","2","9","8","1") = "9"
    & skf18("4","10","9","2","9","9","1") = "9"
    & skf18("4","10","9","2","9","10","1") = "9"
    & skf18("4","10","9","2","10","1","1") = "9"
    & skf18("4","10","9","2","10","2","1") = "9"
    & skf18("4","10","9","2","10","3","1") = "9"
    & skf18("4","10","9","2","10","4","1") = "9"
    & skf18("4","10","9","2","10","5","1") = "9"
    & skf18("4","10","9","2","10","6","1") = "9"
    & skf18("4","10","9","2","10","7","1") = "9"
    & skf18("4","10","9","2","10","8","1") = "9"
    & skf18("4","10","9","2","10","9","1") = "9"
    & skf18("4","10","9","2","10","10","1") = "9"
    & skf18("4","10","9","3","1","1","1") = "9"
    & skf18("4","10","9","3","1","2","1") = "9"
    & skf18("4","10","9","3","1","3","1") = "9"
    & skf18("4","10","9","3","1","4","1") = "9"
    & skf18("4","10","9","3","1","5","1") = "9"
    & skf18("4","10","9","3","1","6","1") = "9"
    & skf18("4","10","9","3","1","7","1") = "9"
    & skf18("4","10","9","3","1","8","1") = "9"
    & skf18("4","10","9","3","1","9","1") = "9"
    & skf18("4","10","9","3","1","10","1") = "9"
    & skf18("4","10","9","3","2","1","1") = "9"
    & skf18("4","10","9","3","2","2","1") = "9"
    & skf18("4","10","9","3","2","3","1") = "9"
    & skf18("4","10","9","3","2","4","1") = "9"
    & skf18("4","10","9","3","2","5","1") = "9"
    & skf18("4","10","9","3","2","6","1") = "9"
    & skf18("4","10","9","3","2","7","1") = "9"
    & skf18("4","10","9","3","2","8","1") = "9"
    & skf18("4","10","9","3","2","9","1") = "9"
    & skf18("4","10","9","3","2","10","1") = "9"
    & skf18("4","10","9","3","3","1","1") = "9"
    & skf18("4","10","9","3","3","2","1") = "9"
    & skf18("4","10","9","3","3","3","1") = "9"
    & skf18("4","10","9","3","3","4","1") = "9"
    & skf18("4","10","9","3","3","5","1") = "9"
    & skf18("4","10","9","3","3","6","1") = "9"
    & skf18("4","10","9","3","3","7","1") = "9"
    & skf18("4","10","9","3","3","8","1") = "9"
    & skf18("4","10","9","3","3","9","1") = "9"
    & skf18("4","10","9","3","3","10","1") = "9"
    & skf18("4","10","9","3","4","1","1") = "9"
    & skf18("4","10","9","3","4","2","1") = "9"
    & skf18("4","10","9","3","4","3","1") = "9"
    & skf18("4","10","9","3","4","4","1") = "9"
    & skf18("4","10","9","3","4","5","1") = "9"
    & skf18("4","10","9","3","4","6","1") = "9"
    & skf18("4","10","9","3","4","7","1") = "9"
    & skf18("4","10","9","3","4","8","1") = "9"
    & skf18("4","10","9","3","4","9","1") = "9"
    & skf18("4","10","9","3","4","10","1") = "9"
    & skf18("4","10","9","3","5","1","1") = "9"
    & skf18("4","10","9","3","5","2","1") = "9"
    & skf18("4","10","9","3","5","3","1") = "9"
    & skf18("4","10","9","3","5","4","1") = "9"
    & skf18("4","10","9","3","5","5","1") = "9"
    & skf18("4","10","9","3","5","6","1") = "9"
    & skf18("4","10","9","3","5","7","1") = "9"
    & skf18("4","10","9","3","5","8","1") = "9"
    & skf18("4","10","9","3","5","9","1") = "9"
    & skf18("4","10","9","3","5","10","1") = "9"
    & skf18("4","10","9","3","6","1","1") = "9"
    & skf18("4","10","9","3","6","2","1") = "9"
    & skf18("4","10","9","3","6","3","1") = "9"
    & skf18("4","10","9","3","6","4","1") = "9"
    & skf18("4","10","9","3","6","5","1") = "9"
    & skf18("4","10","9","3","6","6","1") = "9"
    & skf18("4","10","9","3","6","7","1") = "9"
    & skf18("4","10","9","3","6","8","1") = "9"
    & skf18("4","10","9","3","6","9","1") = "9"
    & skf18("4","10","9","3","6","10","1") = "9"
    & skf18("4","10","9","3","7","1","1") = "9"
    & skf18("4","10","9","3","7","2","1") = "9"
    & skf18("4","10","9","3","7","3","1") = "9"
    & skf18("4","10","9","3","7","4","1") = "9"
    & skf18("4","10","9","3","7","5","1") = "9"
    & skf18("4","10","9","3","7","6","1") = "9"
    & skf18("4","10","9","3","7","7","1") = "9"
    & skf18("4","10","9","3","7","8","1") = "9"
    & skf18("4","10","9","3","7","9","1") = "9"
    & skf18("4","10","9","3","7","10","1") = "9"
    & skf18("4","10","9","3","8","1","1") = "9"
    & skf18("4","10","9","3","8","2","1") = "9"
    & skf18("4","10","9","3","8","3","1") = "9"
    & skf18("4","10","9","3","8","4","1") = "9"
    & skf18("4","10","9","3","8","5","1") = "9"
    & skf18("4","10","9","3","8","6","1") = "9"
    & skf18("4","10","9","3","8","7","1") = "9"
    & skf18("4","10","9","3","8","8","1") = "9"
    & skf18("4","10","9","3","8","9","1") = "9"
    & skf18("4","10","9","3","8","10","1") = "9"
    & skf18("4","10","9","3","9","1","1") = "9"
    & skf18("4","10","9","3","9","2","1") = "9"
    & skf18("4","10","9","3","9","3","1") = "9"
    & skf18("4","10","9","3","9","4","1") = "9"
    & skf18("4","10","9","3","9","5","1") = "9"
    & skf18("4","10","9","3","9","6","1") = "9"
    & skf18("4","10","9","3","9","7","1") = "9"
    & skf18("4","10","9","3","9","8","1") = "9"
    & skf18("4","10","9","3","9","9","1") = "9"
    & skf18("4","10","9","3","9","10","1") = "9"
    & skf18("4","10","9","3","10","1","1") = "9"
    & skf18("4","10","9","3","10","2","1") = "9"
    & skf18("4","10","9","3","10","3","1") = "9"
    & skf18("4","10","9","3","10","4","1") = "9"
    & skf18("4","10","9","3","10","5","1") = "9"
    & skf18("4","10","9","3","10","6","1") = "9"
    & skf18("4","10","9","3","10","7","1") = "9"
    & skf18("4","10","9","3","10","8","1") = "9"
    & skf18("4","10","9","3","10","9","1") = "9"
    & skf18("4","10","9","3","10","10","1") = "9"
    & skf18("4","10","9","4","1","1","1") = "9"
    & skf18("4","10","9","4","1","2","1") = "9"
    & skf18("4","10","9","4","1","3","1") = "9"
    & skf18("4","10","9","4","1","4","1") = "9"
    & skf18("4","10","9","4","1","5","1") = "9"
    & skf18("4","10","9","4","1","6","1") = "9"
    & skf18("4","10","9","4","1","7","1") = "9"
    & skf18("4","10","9","4","1","8","1") = "9"
    & skf18("4","10","9","4","1","9","1") = "9"
    & skf18("4","10","9","4","1","10","1") = "9"
    & skf18("4","10","9","4","2","1","1") = "9"
    & skf18("4","10","9","4","2","2","1") = "9"
    & skf18("4","10","9","4","2","3","1") = "9"
    & skf18("4","10","9","4","2","4","1") = "9"
    & skf18("4","10","9","4","2","5","1") = "9"
    & skf18("4","10","9","4","2","6","1") = "9"
    & skf18("4","10","9","4","2","7","1") = "9"
    & skf18("4","10","9","4","2","8","1") = "9"
    & skf18("4","10","9","4","2","9","1") = "9"
    & skf18("4","10","9","4","2","10","1") = "9"
    & skf18("4","10","9","4","3","1","1") = "9"
    & skf18("4","10","9","4","3","2","1") = "9"
    & skf18("4","10","9","4","3","3","1") = "9"
    & skf18("4","10","9","4","3","4","1") = "9"
    & skf18("4","10","9","4","3","5","1") = "9"
    & skf18("4","10","9","4","3","6","1") = "9"
    & skf18("4","10","9","4","3","7","1") = "9"
    & skf18("4","10","9","4","3","8","1") = "9"
    & skf18("4","10","9","4","3","9","1") = "9"
    & skf18("4","10","9","4","3","10","1") = "9"
    & skf18("4","10","9","4","4","1","1") = "9"
    & skf18("4","10","9","4","4","2","1") = "9"
    & skf18("4","10","9","4","4","3","1") = "9"
    & skf18("4","10","9","4","4","4","1") = "9"
    & skf18("4","10","9","4","4","5","1") = "9"
    & skf18("4","10","9","4","4","6","1") = "9"
    & skf18("4","10","9","4","4","7","1") = "9"
    & skf18("4","10","9","4","4","8","1") = "9"
    & skf18("4","10","9","4","4","9","1") = "9"
    & skf18("4","10","9","4","4","10","1") = "9"
    & skf18("4","10","9","4","5","1","1") = "9"
    & skf18("4","10","9","4","5","2","1") = "9"
    & skf18("4","10","9","4","5","3","1") = "9"
    & skf18("4","10","9","4","5","4","1") = "9"
    & skf18("4","10","9","4","5","5","1") = "9"
    & skf18("4","10","9","4","5","6","1") = "9"
    & skf18("4","10","9","4","5","7","1") = "9"
    & skf18("4","10","9","4","5","8","1") = "9"
    & skf18("4","10","9","4","5","9","1") = "9"
    & skf18("4","10","9","4","5","10","1") = "9"
    & skf18("4","10","9","4","6","1","1") = "9"
    & skf18("4","10","9","4","6","2","1") = "9"
    & skf18("4","10","9","4","6","3","1") = "9"
    & skf18("4","10","9","4","6","4","1") = "9"
    & skf18("4","10","9","4","6","5","1") = "9"
    & skf18("4","10","9","4","6","6","1") = "9"
    & skf18("4","10","9","4","6","7","1") = "9"
    & skf18("4","10","9","4","6","8","1") = "9"
    & skf18("4","10","9","4","6","9","1") = "9"
    & skf18("4","10","9","4","6","10","1") = "9"
    & skf18("4","10","9","4","7","1","1") = "9"
    & skf18("4","10","9","4","7","2","1") = "9"
    & skf18("4","10","9","4","7","3","1") = "9"
    & skf18("4","10","9","4","7","4","1") = "9"
    & skf18("4","10","9","4","7","5","1") = "9"
    & skf18("4","10","9","4","7","6","1") = "9"
    & skf18("4","10","9","4","7","7","1") = "9"
    & skf18("4","10","9","4","7","8","1") = "9"
    & skf18("4","10","9","4","7","9","1") = "9"
    & skf18("4","10","9","4","7","10","1") = "9"
    & skf18("4","10","9","4","8","1","1") = "9"
    & skf18("4","10","9","4","8","2","1") = "9"
    & skf18("4","10","9","4","8","3","1") = "9"
    & skf18("4","10","9","4","8","4","1") = "9"
    & skf18("4","10","9","4","8","5","1") = "9"
    & skf18("4","10","9","4","8","6","1") = "9"
    & skf18("4","10","9","4","8","7","1") = "9"
    & skf18("4","10","9","4","8","8","1") = "9"
    & skf18("4","10","9","4","8","9","1") = "9"
    & skf18("4","10","9","4","8","10","1") = "9"
    & skf18("4","10","9","4","9","1","1") = "9"
    & skf18("4","10","9","4","9","2","1") = "9"
    & skf18("4","10","9","4","9","3","1") = "9"
    & skf18("4","10","9","4","9","4","1") = "9"
    & skf18("4","10","9","4","9","5","1") = "9"
    & skf18("4","10","9","4","9","6","1") = "9"
    & skf18("4","10","9","4","9","7","1") = "9"
    & skf18("4","10","9","4","9","8","1") = "9"
    & skf18("4","10","9","4","9","9","1") = "9"
    & skf18("4","10","9","4","9","10","1") = "9"
    & skf18("4","10","9","4","10","1","1") = "9"
    & skf18("4","10","9","4","10","2","1") = "9"
    & skf18("4","10","9","4","10","3","1") = "9"
    & skf18("4","10","9","4","10","4","1") = "9"
    & skf18("4","10","9","4","10","5","1") = "9"
    & skf18("4","10","9","4","10","6","1") = "9"
    & skf18("4","10","9","4","10","7","1") = "9"
    & skf18("4","10","9","4","10","8","1") = "9"
    & skf18("4","10","9","4","10","9","1") = "9"
    & skf18("4","10","9","4","10","10","1") = "9"
    & skf18("4","10","9","5","1","1","1") = "9"
    & skf18("4","10","9","5","1","2","1") = "9"
    & skf18("4","10","9","5","1","3","1") = "9"
    & skf18("4","10","9","5","1","4","1") = "9"
    & skf18("4","10","9","5","1","5","1") = "9"
    & skf18("4","10","9","5","1","6","1") = "9"
    & skf18("4","10","9","5","1","7","1") = "9"
    & skf18("4","10","9","5","1","8","1") = "9"
    & skf18("4","10","9","5","1","9","1") = "9"
    & skf18("4","10","9","5","1","10","1") = "9"
    & skf18("4","10","9","5","2","1","1") = "9"
    & skf18("4","10","9","5","2","2","1") = "9"
    & skf18("4","10","9","5","2","3","1") = "9"
    & skf18("4","10","9","5","2","4","1") = "9"
    & skf18("4","10","9","5","2","5","1") = "9"
    & skf18("4","10","9","5","2","6","1") = "9"
    & skf18("4","10","9","5","2","7","1") = "9"
    & skf18("4","10","9","5","2","8","1") = "9"
    & skf18("4","10","9","5","2","9","1") = "9"
    & skf18("4","10","9","5","2","10","1") = "9"
    & skf18("4","10","9","5","3","1","1") = "9"
    & skf18("4","10","9","5","3","2","1") = "9"
    & skf18("4","10","9","5","3","3","1") = "9"
    & skf18("4","10","9","5","3","4","1") = "9"
    & skf18("4","10","9","5","3","5","1") = "9"
    & skf18("4","10","9","5","3","6","1") = "9"
    & skf18("4","10","9","5","3","7","1") = "9"
    & skf18("4","10","9","5","3","8","1") = "9"
    & skf18("4","10","9","5","3","9","1") = "9"
    & skf18("4","10","9","5","3","10","1") = "9"
    & skf18("4","10","9","5","4","1","1") = "9"
    & skf18("4","10","9","5","4","2","1") = "9"
    & skf18("4","10","9","5","4","3","1") = "9"
    & skf18("4","10","9","5","4","4","1") = "9"
    & skf18("4","10","9","5","4","5","1") = "9"
    & skf18("4","10","9","5","4","6","1") = "9"
    & skf18("4","10","9","5","4","7","1") = "9"
    & skf18("4","10","9","5","4","8","1") = "9"
    & skf18("4","10","9","5","4","9","1") = "9"
    & skf18("4","10","9","5","4","10","1") = "9"
    & skf18("4","10","9","5","5","1","1") = "9"
    & skf18("4","10","9","5","5","2","1") = "9"
    & skf18("4","10","9","5","5","3","1") = "9"
    & skf18("4","10","9","5","5","4","1") = "9"
    & skf18("4","10","9","5","5","5","1") = "9"
    & skf18("4","10","9","5","5","6","1") = "9"
    & skf18("4","10","9","5","5","7","1") = "9"
    & skf18("4","10","9","5","5","8","1") = "9"
    & skf18("4","10","9","5","5","9","1") = "9"
    & skf18("4","10","9","5","5","10","1") = "9"
    & skf18("4","10","9","5","6","1","1") = "9"
    & skf18("4","10","9","5","6","2","1") = "9"
    & skf18("4","10","9","5","6","3","1") = "9"
    & skf18("4","10","9","5","6","4","1") = "9"
    & skf18("4","10","9","5","6","5","1") = "9"
    & skf18("4","10","9","5","6","6","1") = "9"
    & skf18("4","10","9","5","6","7","1") = "9"
    & skf18("4","10","9","5","6","8","1") = "9"
    & skf18("4","10","9","5","6","9","1") = "9"
    & skf18("4","10","9","5","6","10","1") = "9"
    & skf18("4","10","9","5","7","1","1") = "9"
    & skf18("4","10","9","5","7","2","1") = "9"
    & skf18("4","10","9","5","7","3","1") = "9"
    & skf18("4","10","9","5","7","4","1") = "9"
    & skf18("4","10","9","5","7","5","1") = "9"
    & skf18("4","10","9","5","7","6","1") = "9"
    & skf18("4","10","9","5","7","7","1") = "9"
    & skf18("4","10","9","5","7","8","1") = "9"
    & skf18("4","10","9","5","7","9","1") = "9"
    & skf18("4","10","9","5","7","10","1") = "9"
    & skf18("4","10","9","5","8","1","1") = "9"
    & skf18("4","10","9","5","8","2","1") = "9"
    & skf18("4","10","9","5","8","3","1") = "9"
    & skf18("4","10","9","5","8","4","1") = "9"
    & skf18("4","10","9","5","8","5","1") = "9"
    & skf18("4","10","9","5","8","6","1") = "9"
    & skf18("4","10","9","5","8","7","1") = "9"
    & skf18("4","10","9","5","8","8","1") = "9"
    & skf18("4","10","9","5","8","9","1") = "9"
    & skf18("4","10","9","5","8","10","1") = "9"
    & skf18("4","10","9","5","9","1","1") = "9"
    & skf18("4","10","9","5","9","2","1") = "9"
    & skf18("4","10","9","5","9","3","1") = "9"
    & skf18("4","10","9","5","9","4","1") = "9"
    & skf18("4","10","9","5","9","5","1") = "9"
    & skf18("4","10","9","5","9","6","1") = "9"
    & skf18("4","10","9","5","9","7","1") = "9"
    & skf18("4","10","9","5","9","8","1") = "9"
    & skf18("4","10","9","5","9","9","1") = "9"
    & skf18("4","10","9","5","9","10","1") = "9"
    & skf18("4","10","9","5","10","1","1") = "9"
    & skf18("4","10","9","5","10","2","1") = "9"
    & skf18("4","10","9","5","10","3","1") = "9"
    & skf18("4","10","9","5","10","4","1") = "9"
    & skf18("4","10","9","5","10","5","1") = "9"
    & skf18("4","10","9","5","10","6","1") = "9"
    & skf18("4","10","9","5","10","7","1") = "9"
    & skf18("4","10","9","5","10","8","1") = "9"
    & skf18("4","10","9","5","10","9","1") = "9"
    & skf18("4","10","9","5","10","10","1") = "9"
    & skf18("4","10","9","6","1","1","1") = "9"
    & skf18("4","10","9","6","1","2","1") = "9"
    & skf18("4","10","9","6","1","3","1") = "9"
    & skf18("4","10","9","6","1","4","1") = "9"
    & skf18("4","10","9","6","1","5","1") = "9"
    & skf18("4","10","9","6","1","6","1") = "9"
    & skf18("4","10","9","6","1","7","1") = "9"
    & skf18("4","10","9","6","1","8","1") = "9"
    & skf18("4","10","9","6","1","9","1") = "9"
    & skf18("4","10","9","6","1","10","1") = "9"
    & skf18("4","10","9","6","2","1","1") = "9"
    & skf18("4","10","9","6","2","2","1") = "9"
    & skf18("4","10","9","6","2","3","1") = "9"
    & skf18("4","10","9","6","2","4","1") = "9"
    & skf18("4","10","9","6","2","5","1") = "9"
    & skf18("4","10","9","6","2","6","1") = "9"
    & skf18("4","10","9","6","2","7","1") = "9"
    & skf18("4","10","9","6","2","8","1") = "9"
    & skf18("4","10","9","6","2","9","1") = "9"
    & skf18("4","10","9","6","2","10","1") = "9"
    & skf18("4","10","9","6","3","1","1") = "9"
    & skf18("4","10","9","6","3","2","1") = "9"
    & skf18("4","10","9","6","3","3","1") = "9"
    & skf18("4","10","9","6","3","4","1") = "9"
    & skf18("4","10","9","6","3","5","1") = "9"
    & skf18("4","10","9","6","3","6","1") = "9"
    & skf18("4","10","9","6","3","7","1") = "9"
    & skf18("4","10","9","6","3","8","1") = "9"
    & skf18("4","10","9","6","3","9","1") = "9"
    & skf18("4","10","9","6","3","10","1") = "9"
    & skf18("4","10","9","6","4","1","1") = "9"
    & skf18("4","10","9","6","4","2","1") = "9"
    & skf18("4","10","9","6","4","3","1") = "9"
    & skf18("4","10","9","6","4","4","1") = "9"
    & skf18("4","10","9","6","4","5","1") = "9"
    & skf18("4","10","9","6","4","6","1") = "9"
    & skf18("4","10","9","6","4","7","1") = "9"
    & skf18("4","10","9","6","4","8","1") = "9"
    & skf18("4","10","9","6","4","9","1") = "9"
    & skf18("4","10","9","6","4","10","1") = "9"
    & skf18("4","10","9","6","5","1","1") = "9"
    & skf18("4","10","9","6","5","2","1") = "9"
    & skf18("4","10","9","6","5","3","1") = "9"
    & skf18("4","10","9","6","5","4","1") = "9"
    & skf18("4","10","9","6","5","5","1") = "9"
    & skf18("4","10","9","6","5","6","1") = "9"
    & skf18("4","10","9","6","5","7","1") = "9"
    & skf18("4","10","9","6","5","8","1") = "9"
    & skf18("4","10","9","6","5","9","1") = "9"
    & skf18("4","10","9","6","5","10","1") = "9"
    & skf18("4","10","9","6","6","1","1") = "9"
    & skf18("4","10","9","6","6","2","1") = "9"
    & skf18("4","10","9","6","6","3","1") = "9"
    & skf18("4","10","9","6","6","4","1") = "9"
    & skf18("4","10","9","6","6","5","1") = "9"
    & skf18("4","10","9","6","6","6","1") = "9"
    & skf18("4","10","9","6","6","7","1") = "9"
    & skf18("4","10","9","6","6","8","1") = "9"
    & skf18("4","10","9","6","6","9","1") = "9"
    & skf18("4","10","9","6","6","10","1") = "9"
    & skf18("4","10","9","6","7","1","1") = "9"
    & skf18("4","10","9","6","7","2","1") = "9"
    & skf18("4","10","9","6","7","3","1") = "9"
    & skf18("4","10","9","6","7","4","1") = "9"
    & skf18("4","10","9","6","7","5","1") = "9"
    & skf18("4","10","9","6","7","6","1") = "9"
    & skf18("4","10","9","6","7","7","1") = "9"
    & skf18("4","10","9","6","7","8","1") = "9"
    & skf18("4","10","9","6","7","9","1") = "9"
    & skf18("4","10","9","6","7","10","1") = "9"
    & skf18("4","10","9","6","8","1","1") = "9"
    & skf18("4","10","9","6","8","2","1") = "9"
    & skf18("4","10","9","6","8","3","1") = "9"
    & skf18("4","10","9","6","8","4","1") = "9"
    & skf18("4","10","9","6","8","5","1") = "9"
    & skf18("4","10","9","6","8","6","1") = "9"
    & skf18("4","10","9","6","8","7","1") = "9"
    & skf18("4","10","9","6","8","8","1") = "9"
    & skf18("4","10","9","6","8","9","1") = "9"
    & skf18("4","10","9","6","8","10","1") = "9"
    & skf18("4","10","9","6","9","1","1") = "9"
    & skf18("4","10","9","6","9","2","1") = "9"
    & skf18("4","10","9","6","9","3","1") = "9"
    & skf18("4","10","9","6","9","4","1") = "9"
    & skf18("4","10","9","6","9","5","1") = "9"
    & skf18("4","10","9","6","9","6","1") = "9"
    & skf18("4","10","9","6","9","7","1") = "9"
    & skf18("4","10","9","6","9","8","1") = "9"
    & skf18("4","10","9","6","9","9","1") = "9"
    & skf18("4","10","9","6","9","10","1") = "9"
    & skf18("4","10","9","6","10","1","1") = "9"
    & skf18("4","10","9","6","10","2","1") = "9"
    & skf18("4","10","9","6","10","3","1") = "9"
    & skf18("4","10","9","6","10","4","1") = "9"
    & skf18("4","10","9","6","10","5","1") = "9"
    & skf18("4","10","9","6","10","6","1") = "9"
    & skf18("4","10","9","6","10","7","1") = "9"
    & skf18("4","10","9","6","10","8","1") = "9"
    & skf18("4","10","9","6","10","9","1") = "9"
    & skf18("4","10","9","6","10","10","1") = "9"
    & skf18("4","10","9","7","1","1","1") = "9"
    & skf18("4","10","9","7","1","2","1") = "9"
    & skf18("4","10","9","7","1","3","1") = "9"
    & skf18("4","10","9","7","1","4","1") = "9"
    & skf18("4","10","9","7","1","5","1") = "9"
    & skf18("4","10","9","7","1","6","1") = "9"
    & skf18("4","10","9","7","1","7","1") = "9"
    & skf18("4","10","9","7","1","8","1") = "9"
    & skf18("4","10","9","7","1","9","1") = "9"
    & skf18("4","10","9","7","1","10","1") = "9"
    & skf18("4","10","9","7","2","1","1") = "9"
    & skf18("4","10","9","7","2","2","1") = "9"
    & skf18("4","10","9","7","2","3","1") = "9"
    & skf18("4","10","9","7","2","4","1") = "9"
    & skf18("4","10","9","7","2","5","1") = "9"
    & skf18("4","10","9","7","2","6","1") = "9"
    & skf18("4","10","9","7","2","7","1") = "9"
    & skf18("4","10","9","7","2","8","1") = "9"
    & skf18("4","10","9","7","2","9","1") = "9"
    & skf18("4","10","9","7","2","10","1") = "9"
    & skf18("4","10","9","7","3","1","1") = "9"
    & skf18("4","10","9","7","3","2","1") = "9"
    & skf18("4","10","9","7","3","3","1") = "9"
    & skf18("4","10","9","7","3","4","1") = "9"
    & skf18("4","10","9","7","3","5","1") = "9"
    & skf18("4","10","9","7","3","6","1") = "9"
    & skf18("4","10","9","7","3","7","1") = "9"
    & skf18("4","10","9","7","3","8","1") = "9"
    & skf18("4","10","9","7","3","9","1") = "9"
    & skf18("4","10","9","7","3","10","1") = "9"
    & skf18("4","10","9","7","4","1","1") = "9"
    & skf18("4","10","9","7","4","2","1") = "9"
    & skf18("4","10","9","7","4","3","1") = "9"
    & skf18("4","10","9","7","4","4","1") = "9"
    & skf18("4","10","9","7","4","5","1") = "9"
    & skf18("4","10","9","7","4","6","1") = "9"
    & skf18("4","10","9","7","4","7","1") = "9"
    & skf18("4","10","9","7","4","8","1") = "9"
    & skf18("4","10","9","7","4","9","1") = "9"
    & skf18("4","10","9","7","4","10","1") = "9"
    & skf18("4","10","9","7","5","1","1") = "9"
    & skf18("4","10","9","7","5","2","1") = "9"
    & skf18("4","10","9","7","5","3","1") = "9"
    & skf18("4","10","9","7","5","4","1") = "9"
    & skf18("4","10","9","7","5","5","1") = "9"
    & skf18("4","10","9","7","5","6","1") = "9"
    & skf18("4","10","9","7","5","7","1") = "9"
    & skf18("4","10","9","7","5","8","1") = "9"
    & skf18("4","10","9","7","5","9","1") = "9"
    & skf18("4","10","9","7","5","10","1") = "9"
    & skf18("4","10","9","7","6","1","1") = "9"
    & skf18("4","10","9","7","6","2","1") = "9"
    & skf18("4","10","9","7","6","3","1") = "9"
    & skf18("4","10","9","7","6","4","1") = "9"
    & skf18("4","10","9","7","6","5","1") = "9"
    & skf18("4","10","9","7","6","6","1") = "9"
    & skf18("4","10","9","7","6","7","1") = "9"
    & skf18("4","10","9","7","6","8","1") = "9"
    & skf18("4","10","9","7","6","9","1") = "9"
    & skf18("4","10","9","7","6","10","1") = "9"
    & skf18("4","10","9","7","7","1","1") = "9"
    & skf18("4","10","9","7","7","2","1") = "9"
    & skf18("4","10","9","7","7","3","1") = "9"
    & skf18("4","10","9","7","7","4","1") = "9"
    & skf18("4","10","9","7","7","5","1") = "9"
    & skf18("4","10","9","7","7","6","1") = "9"
    & skf18("4","10","9","7","7","7","1") = "9"
    & skf18("4","10","9","7","7","8","1") = "9"
    & skf18("4","10","9","7","7","9","1") = "9"
    & skf18("4","10","9","7","7","10","1") = "9"
    & skf18("4","10","9","7","8","1","1") = "9"
    & skf18("4","10","9","7","8","2","1") = "9"
    & skf18("4","10","9","7","8","3","1") = "9"
    & skf18("4","10","9","7","8","4","1") = "9"
    & skf18("4","10","9","7","8","5","1") = "9"
    & skf18("4","10","9","7","8","6","1") = "9"
    & skf18("4","10","9","7","8","7","1") = "9"
    & skf18("4","10","9","7","8","8","1") = "9"
    & skf18("4","10","9","7","8","9","1") = "9"
    & skf18("4","10","9","7","8","10","1") = "9"
    & skf18("4","10","9","7","9","1","1") = "9"
    & skf18("4","10","9","7","9","2","1") = "9"
    & skf18("4","10","9","7","9","3","1") = "9"
    & skf18("4","10","9","7","9","4","1") = "9"
    & skf18("4","10","9","7","9","5","1") = "9"
    & skf18("4","10","9","7","9","6","1") = "9"
    & skf18("4","10","9","7","9","7","1") = "9"
    & skf18("4","10","9","7","9","8","1") = "9"
    & skf18("4","10","9","7","9","9","1") = "9"
    & skf18("4","10","9","7","9","10","1") = "9"
    & skf18("4","10","9","7","10","1","1") = "9"
    & skf18("4","10","9","7","10","2","1") = "9"
    & skf18("4","10","9","7","10","3","1") = "9"
    & skf18("4","10","9","7","10","4","1") = "9"
    & skf18("4","10","9","7","10","5","1") = "9"
    & skf18("4","10","9","7","10","6","1") = "9"
    & skf18("4","10","9","7","10","7","1") = "9"
    & skf18("4","10","9","7","10","8","1") = "9"
    & skf18("4","10","9","7","10","9","1") = "9"
    & skf18("4","10","9","7","10","10","1") = "9"
    & skf18("4","10","9","8","1","1","1") = "9"
    & skf18("4","10","9","8","1","2","1") = "9"
    & skf18("4","10","9","8","1","3","1") = "9"
    & skf18("4","10","9","8","1","4","1") = "9"
    & skf18("4","10","9","8","1","5","1") = "9"
    & skf18("4","10","9","8","1","6","1") = "9"
    & skf18("4","10","9","8","1","7","1") = "9"
    & skf18("4","10","9","8","1","8","1") = "9"
    & skf18("4","10","9","8","1","9","1") = "9"
    & skf18("4","10","9","8","1","10","1") = "9"
    & skf18("4","10","9","8","2","1","1") = "9"
    & skf18("4","10","9","8","2","2","1") = "9"
    & skf18("4","10","9","8","2","3","1") = "9"
    & skf18("4","10","9","8","2","4","1") = "9"
    & skf18("4","10","9","8","2","5","1") = "9"
    & skf18("4","10","9","8","2","6","1") = "9"
    & skf18("4","10","9","8","2","7","1") = "9"
    & skf18("4","10","9","8","2","8","1") = "9"
    & skf18("4","10","9","8","2","9","1") = "9"
    & skf18("4","10","9","8","2","10","1") = "9"
    & skf18("4","10","9","8","3","1","1") = "9"
    & skf18("4","10","9","8","3","2","1") = "9"
    & skf18("4","10","9","8","3","3","1") = "9"
    & skf18("4","10","9","8","3","4","1") = "9"
    & skf18("4","10","9","8","3","5","1") = "9"
    & skf18("4","10","9","8","3","6","1") = "9"
    & skf18("4","10","9","8","3","7","1") = "9"
    & skf18("4","10","9","8","3","8","1") = "9"
    & skf18("4","10","9","8","3","9","1") = "9"
    & skf18("4","10","9","8","3","10","1") = "9"
    & skf18("4","10","9","8","4","1","1") = "9"
    & skf18("4","10","9","8","4","2","1") = "9"
    & skf18("4","10","9","8","4","3","1") = "9"
    & skf18("4","10","9","8","4","4","1") = "9"
    & skf18("4","10","9","8","4","5","1") = "9"
    & skf18("4","10","9","8","4","6","1") = "9"
    & skf18("4","10","9","8","4","7","1") = "9"
    & skf18("4","10","9","8","4","8","1") = "9"
    & skf18("4","10","9","8","4","9","1") = "9"
    & skf18("4","10","9","8","4","10","1") = "9"
    & skf18("4","10","9","8","5","1","1") = "9"
    & skf18("4","10","9","8","5","2","1") = "9"
    & skf18("4","10","9","8","5","3","1") = "9"
    & skf18("4","10","9","8","5","4","1") = "9"
    & skf18("4","10","9","8","5","5","1") = "9"
    & skf18("4","10","9","8","5","6","1") = "9"
    & skf18("4","10","9","8","5","7","1") = "9"
    & skf18("4","10","9","8","5","8","1") = "9"
    & skf18("4","10","9","8","5","9","1") = "9"
    & skf18("4","10","9","8","5","10","1") = "9"
    & skf18("4","10","9","8","6","1","1") = "9"
    & skf18("4","10","9","8","6","2","1") = "9"
    & skf18("4","10","9","8","6","3","1") = "9"
    & skf18("4","10","9","8","6","4","1") = "9"
    & skf18("4","10","9","8","6","5","1") = "9"
    & skf18("4","10","9","8","6","6","1") = "9"
    & skf18("4","10","9","8","6","7","1") = "9"
    & skf18("4","10","9","8","6","8","1") = "9"
    & skf18("4","10","9","8","6","9","1") = "9"
    & skf18("4","10","9","8","6","10","1") = "9"
    & skf18("4","10","9","8","7","1","1") = "9"
    & skf18("4","10","9","8","7","2","1") = "9"
    & skf18("4","10","9","8","7","3","1") = "9"
    & skf18("4","10","9","8","7","4","1") = "9"
    & skf18("4","10","9","8","7","5","1") = "9"
    & skf18("4","10","9","8","7","6","1") = "9"
    & skf18("4","10","9","8","7","7","1") = "9"
    & skf18("4","10","9","8","7","8","1") = "9"
    & skf18("4","10","9","8","7","9","1") = "9"
    & skf18("4","10","9","8","7","10","1") = "9"
    & skf18("4","10","9","8","8","1","1") = "9"
    & skf18("4","10","9","8","8","2","1") = "9"
    & skf18("4","10","9","8","8","3","1") = "9"
    & skf18("4","10","9","8","8","4","1") = "9"
    & skf18("4","10","9","8","8","5","1") = "9"
    & skf18("4","10","9","8","8","6","1") = "9"
    & skf18("4","10","9","8","8","7","1") = "9"
    & skf18("4","10","9","8","8","8","1") = "9"
    & skf18("4","10","9","8","8","9","1") = "9"
    & skf18("4","10","9","8","8","10","1") = "9"
    & skf18("4","10","9","8","9","1","1") = "9"
    & skf18("4","10","9","8","9","2","1") = "9"
    & skf18("4","10","9","8","9","3","1") = "9"
    & skf18("4","10","9","8","9","4","1") = "9"
    & skf18("4","10","9","8","9","5","1") = "9"
    & skf18("4","10","9","8","9","6","1") = "9"
    & skf18("4","10","9","8","9","7","1") = "9"
    & skf18("4","10","9","8","9","8","1") = "9"
    & skf18("4","10","9","8","9","9","1") = "9"
    & skf18("4","10","9","8","9","10","1") = "9"
    & skf18("4","10","9","8","10","1","1") = "9"
    & skf18("4","10","9","8","10","2","1") = "9"
    & skf18("4","10","9","8","10","3","1") = "9"
    & skf18("4","10","9","8","10","4","1") = "9"
    & skf18("4","10","9","8","10","5","1") = "9"
    & skf18("4","10","9","8","10","6","1") = "9"
    & skf18("4","10","9","8","10","7","1") = "9"
    & skf18("4","10","9","8","10","8","1") = "9"
    & skf18("4","10","9","8","10","9","1") = "9"
    & skf18("4","10","9","8","10","10","1") = "9"
    & skf18("4","10","9","9","1","1","1") = "9"
    & skf18("4","10","9","9","1","2","1") = "9"
    & skf18("4","10","9","9","1","3","1") = "9"
    & skf18("4","10","9","9","1","4","1") = "9"
    & skf18("4","10","9","9","1","5","1") = "9"
    & skf18("4","10","9","9","1","6","1") = "9"
    & skf18("4","10","9","9","1","7","1") = "9"
    & skf18("4","10","9","9","1","8","1") = "9"
    & skf18("4","10","9","9","1","9","1") = "9"
    & skf18("4","10","9","9","1","10","1") = "9"
    & skf18("4","10","9","9","2","1","1") = "9"
    & skf18("4","10","9","9","2","2","1") = "9"
    & skf18("4","10","9","9","2","3","1") = "9"
    & skf18("4","10","9","9","2","4","1") = "9"
    & skf18("4","10","9","9","2","5","1") = "9"
    & skf18("4","10","9","9","2","6","1") = "9"
    & skf18("4","10","9","9","2","7","1") = "9"
    & skf18("4","10","9","9","2","8","1") = "9"
    & skf18("4","10","9","9","2","9","1") = "9"
    & skf18("4","10","9","9","2","10","1") = "9"
    & skf18("4","10","9","9","3","1","1") = "9"
    & skf18("4","10","9","9","3","2","1") = "9"
    & skf18("4","10","9","9","3","3","1") = "9"
    & skf18("4","10","9","9","3","4","1") = "9"
    & skf18("4","10","9","9","3","5","1") = "9"
    & skf18("4","10","9","9","3","6","1") = "9"
    & skf18("4","10","9","9","3","7","1") = "9"
    & skf18("4","10","9","9","3","8","1") = "9"
    & skf18("4","10","9","9","3","9","1") = "9"
    & skf18("4","10","9","9","3","10","1") = "9"
    & skf18("4","10","9","9","4","1","1") = "9"
    & skf18("4","10","9","9","4","2","1") = "9"
    & skf18("4","10","9","9","4","3","1") = "9"
    & skf18("4","10","9","9","4","4","1") = "9"
    & skf18("4","10","9","9","4","5","1") = "9"
    & skf18("4","10","9","9","4","6","1") = "9"
    & skf18("4","10","9","9","4","7","1") = "9"
    & skf18("4","10","9","9","4","8","1") = "9"
    & skf18("4","10","9","9","4","9","1") = "9"
    & skf18("4","10","9","9","4","10","1") = "9"
    & skf18("4","10","9","9","5","1","1") = "9"
    & skf18("4","10","9","9","5","2","1") = "9"
    & skf18("4","10","9","9","5","3","1") = "9"
    & skf18("4","10","9","9","5","4","1") = "9"
    & skf18("4","10","9","9","5","5","1") = "9"
    & skf18("4","10","9","9","5","6","1") = "9"
    & skf18("4","10","9","9","5","7","1") = "9"
    & skf18("4","10","9","9","5","8","1") = "9"
    & skf18("4","10","9","9","5","9","1") = "9"
    & skf18("4","10","9","9","5","10","1") = "9"
    & skf18("4","10","9","9","6","1","1") = "9"
    & skf18("4","10","9","9","6","2","1") = "9"
    & skf18("4","10","9","9","6","3","1") = "9"
    & skf18("4","10","9","9","6","4","1") = "9"
    & skf18("4","10","9","9","6","5","1") = "9"
    & skf18("4","10","9","9","6","6","1") = "9"
    & skf18("4","10","9","9","6","7","1") = "9"
    & skf18("4","10","9","9","6","8","1") = "9"
    & skf18("4","10","9","9","6","9","1") = "9"
    & skf18("4","10","9","9","6","10","1") = "9"
    & skf18("4","10","9","9","7","1","1") = "9"
    & skf18("4","10","9","9","7","2","1") = "9"
    & skf18("4","10","9","9","7","3","1") = "9"
    & skf18("4","10","9","9","7","4","1") = "9"
    & skf18("4","10","9","9","7","5","1") = "9"
    & skf18("4","10","9","9","7","6","1") = "9"
    & skf18("4","10","9","9","7","7","1") = "9"
    & skf18("4","10","9","9","7","8","1") = "9"
    & skf18("4","10","9","9","7","9","1") = "9"
    & skf18("4","10","9","9","7","10","1") = "9"
    & skf18("4","10","9","9","8","1","1") = "9"
    & skf18("4","10","9","9","8","2","1") = "9"
    & skf18("4","10","9","9","8","3","1") = "9"
    & skf18("4","10","9","9","8","4","1") = "9"
    & skf18("4","10","9","9","8","5","1") = "9"
    & skf18("4","10","9","9","8","6","1") = "9"
    & skf18("4","10","9","9","8","7","1") = "9"
    & skf18("4","10","9","9","8","8","1") = "9"
    & skf18("4","10","9","9","8","9","1") = "9"
    & skf18("4","10","9","9","8","10","1") = "9"
    & skf18("4","10","9","9","9","1","1") = "9"
    & skf18("4","10","9","9","9","2","1") = "9"
    & skf18("4","10","9","9","9","3","1") = "9"
    & skf18("4","10","9","9","9","4","1") = "9"
    & skf18("4","10","9","9","9","5","1") = "9"
    & skf18("4","10","9","9","9","6","1") = "9"
    & skf18("4","10","9","9","9","7","1") = "9"
    & skf18("4","10","9","9","9","8","1") = "9"
    & skf18("4","10","9","9","9","9","1") = "9"
    & skf18("4","10","9","9","9","10","1") = "9"
    & skf18("4","10","9","9","10","1","1") = "9"
    & skf18("4","10","9","9","10","2","1") = "9"
    & skf18("4","10","9","9","10","3","1") = "9"
    & skf18("4","10","9","9","10","4","1") = "9"
    & skf18("4","10","9","9","10","5","1") = "9"
    & skf18("4","10","9","9","10","6","1") = "9"
    & skf18("4","10","9","9","10","7","1") = "9"
    & skf18("4","10","9","9","10","8","1") = "9"
    & skf18("4","10","9","9","10","9","1") = "9"
    & skf18("4","10","9","9","10","10","1") = "9"
    & skf18("4","10","9","10","1","1","1") = "9"
    & skf18("4","10","9","10","1","2","1") = "9"
    & skf18("4","10","9","10","1","3","1") = "9"
    & skf18("4","10","9","10","1","4","1") = "9"
    & skf18("4","10","9","10","1","5","1") = "9"
    & skf18("4","10","9","10","1","6","1") = "9"
    & skf18("4","10","9","10","1","7","1") = "9"
    & skf18("4","10","9","10","1","8","1") = "9"
    & skf18("4","10","9","10","1","9","1") = "9"
    & skf18("4","10","9","10","1","10","1") = "9"
    & skf18("4","10","9","10","2","1","1") = "9"
    & skf18("4","10","9","10","2","2","1") = "9"
    & skf18("4","10","9","10","2","3","1") = "9"
    & skf18("4","10","9","10","2","4","1") = "9"
    & skf18("4","10","9","10","2","5","1") = "9"
    & skf18("4","10","9","10","2","6","1") = "9"
    & skf18("4","10","9","10","2","7","1") = "9"
    & skf18("4","10","9","10","2","8","1") = "9"
    & skf18("4","10","9","10","2","9","1") = "9"
    & skf18("4","10","9","10","2","10","1") = "9"
    & skf18("4","10","9","10","3","1","1") = "9"
    & skf18("4","10","9","10","3","2","1") = "9"
    & skf18("4","10","9","10","3","3","1") = "9"
    & skf18("4","10","9","10","3","4","1") = "9"
    & skf18("4","10","9","10","3","5","1") = "9"
    & skf18("4","10","9","10","3","6","1") = "9"
    & skf18("4","10","9","10","3","7","1") = "9"
    & skf18("4","10","9","10","3","8","1") = "9"
    & skf18("4","10","9","10","3","9","1") = "9"
    & skf18("4","10","9","10","3","10","1") = "9"
    & skf18("4","10","9","10","4","1","1") = "9"
    & skf18("4","10","9","10","4","2","1") = "9"
    & skf18("4","10","9","10","4","3","1") = "9"
    & skf18("4","10","9","10","4","4","1") = "9"
    & skf18("4","10","9","10","4","5","1") = "9"
    & skf18("4","10","9","10","4","6","1") = "9"
    & skf18("4","10","9","10","4","7","1") = "9"
    & skf18("4","10","9","10","4","8","1") = "9"
    & skf18("4","10","9","10","4","9","1") = "9"
    & skf18("4","10","9","10","4","10","1") = "9"
    & skf18("4","10","9","10","5","1","1") = "9"
    & skf18("4","10","9","10","5","2","1") = "9"
    & skf18("4","10","9","10","5","3","1") = "9"
    & skf18("4","10","9","10","5","4","1") = "9"
    & skf18("4","10","9","10","5","5","1") = "9"
    & skf18("4","10","9","10","5","6","1") = "9"
    & skf18("4","10","9","10","5","7","1") = "9"
    & skf18("4","10","9","10","5","8","1") = "9"
    & skf18("4","10","9","10","5","9","1") = "9"
    & skf18("4","10","9","10","5","10","1") = "9"
    & skf18("4","10","9","10","6","1","1") = "9"
    & skf18("4","10","9","10","6","2","1") = "9"
    & skf18("4","10","9","10","6","3","1") = "9"
    & skf18("4","10","9","10","6","4","1") = "9"
    & skf18("4","10","9","10","6","5","1") = "9"
    & skf18("4","10","9","10","6","6","1") = "9"
    & skf18("4","10","9","10","6","7","1") = "9"
    & skf18("4","10","9","10","6","8","1") = "9"
    & skf18("4","10","9","10","6","9","1") = "9"
    & skf18("4","10","9","10","6","10","1") = "9"
    & skf18("4","10","9","10","7","1","1") = "9"
    & skf18("4","10","9","10","7","2","1") = "9"
    & skf18("4","10","9","10","7","3","1") = "9"
    & skf18("4","10","9","10","7","4","1") = "9"
    & skf18("4","10","9","10","7","5","1") = "9"
    & skf18("4","10","9","10","7","6","1") = "9"
    & skf18("4","10","9","10","7","7","1") = "9"
    & skf18("4","10","9","10","7","8","1") = "9"
    & skf18("4","10","9","10","7","9","1") = "9"
    & skf18("4","10","9","10","7","10","1") = "9"
    & skf18("4","10","9","10","8","1","1") = "9"
    & skf18("4","10","9","10","8","2","1") = "9"
    & skf18("4","10","9","10","8","3","1") = "9"
    & skf18("4","10","9","10","8","4","1") = "9"
    & skf18("4","10","9","10","8","5","1") = "9"
    & skf18("4","10","9","10","8","6","1") = "9"
    & skf18("4","10","9","10","8","7","1") = "9"
    & skf18("4","10","9","10","8","8","1") = "9"
    & skf18("4","10","9","10","8","9","1") = "9"
    & skf18("4","10","9","10","8","10","1") = "9"
    & skf18("4","10","9","10","9","1","1") = "9"
    & skf18("4","10","9","10","9","2","1") = "9"
    & skf18("4","10","9","10","9","3","1") = "9"
    & skf18("4","10","9","10","9","4","1") = "9"
    & skf18("4","10","9","10","9","5","1") = "9"
    & skf18("4","10","9","10","9","6","1") = "9"
    & skf18("4","10","9","10","9","7","1") = "9"
    & skf18("4","10","9","10","9","8","1") = "9"
    & skf18("4","10","9","10","9","9","1") = "9"
    & skf18("4","10","9","10","9","10","1") = "9"
    & skf18("4","10","9","10","10","1","1") = "9"
    & skf18("4","10","9","10","10","2","1") = "9"
    & skf18("4","10","9","10","10","3","1") = "9"
    & skf18("4","10","9","10","10","4","1") = "9"
    & skf18("4","10","9","10","10","5","1") = "9"
    & skf18("4","10","9","10","10","6","1") = "9"
    & skf18("4","10","9","10","10","7","1") = "9"
    & skf18("4","10","9","10","10","8","1") = "9"
    & skf18("4","10","9","10","10","9","1") = "9"
    & skf18("4","10","9","10","10","10","1") = "9"
    & skf18("4","10","10","1","1","1","1") = "9"
    & skf18("4","10","10","1","1","2","1") = "9"
    & skf18("4","10","10","1","1","3","1") = "9"
    & skf18("4","10","10","1","1","4","1") = "9"
    & skf18("4","10","10","1","1","5","1") = "9"
    & skf18("4","10","10","1","1","6","1") = "9"
    & skf18("4","10","10","1","1","7","1") = "9"
    & skf18("4","10","10","1","1","8","1") = "9"
    & skf18("4","10","10","1","1","9","1") = "9"
    & skf18("4","10","10","1","1","10","1") = "9"
    & skf18("4","10","10","1","2","1","1") = "9"
    & skf18("4","10","10","1","2","2","1") = "9"
    & skf18("4","10","10","1","2","3","1") = "9"
    & skf18("4","10","10","1","2","4","1") = "9"
    & skf18("4","10","10","1","2","5","1") = "9"
    & skf18("4","10","10","1","2","6","1") = "9"
    & skf18("4","10","10","1","2","7","1") = "9"
    & skf18("4","10","10","1","2","8","1") = "9"
    & skf18("4","10","10","1","2","9","1") = "9"
    & skf18("4","10","10","1","2","10","1") = "9"
    & skf18("4","10","10","1","3","1","1") = "9"
    & skf18("4","10","10","1","3","2","1") = "9"
    & skf18("4","10","10","1","3","3","1") = "9"
    & skf18("4","10","10","1","3","4","1") = "9"
    & skf18("4","10","10","1","3","5","1") = "9"
    & skf18("4","10","10","1","3","6","1") = "9"
    & skf18("4","10","10","1","3","7","1") = "9"
    & skf18("4","10","10","1","3","8","1") = "9"
    & skf18("4","10","10","1","3","9","1") = "9"
    & skf18("4","10","10","1","3","10","1") = "9"
    & skf18("4","10","10","1","4","1","1") = "9"
    & skf18("4","10","10","1","4","2","1") = "9"
    & skf18("4","10","10","1","4","3","1") = "9"
    & skf18("4","10","10","1","4","4","1") = "9"
    & skf18("4","10","10","1","4","5","1") = "9"
    & skf18("4","10","10","1","4","6","1") = "9"
    & skf18("4","10","10","1","4","7","1") = "9"
    & skf18("4","10","10","1","4","8","1") = "9"
    & skf18("4","10","10","1","4","9","1") = "9"
    & skf18("4","10","10","1","4","10","1") = "9"
    & skf18("4","10","10","1","5","1","1") = "9"
    & skf18("4","10","10","1","5","2","1") = "9"
    & skf18("4","10","10","1","5","3","1") = "9"
    & skf18("4","10","10","1","5","4","1") = "9"
    & skf18("4","10","10","1","5","5","1") = "9"
    & skf18("4","10","10","1","5","6","1") = "9"
    & skf18("4","10","10","1","5","7","1") = "9"
    & skf18("4","10","10","1","5","8","1") = "9"
    & skf18("4","10","10","1","5","9","1") = "9"
    & skf18("4","10","10","1","5","10","1") = "9"
    & skf18("4","10","10","1","6","1","1") = "9"
    & skf18("4","10","10","1","6","2","1") = "9"
    & skf18("4","10","10","1","6","3","1") = "9"
    & skf18("4","10","10","1","6","4","1") = "9"
    & skf18("4","10","10","1","6","5","1") = "9"
    & skf18("4","10","10","1","6","6","1") = "9"
    & skf18("4","10","10","1","6","7","1") = "9"
    & skf18("4","10","10","1","6","8","1") = "9"
    & skf18("4","10","10","1","6","9","1") = "9"
    & skf18("4","10","10","1","6","10","1") = "9"
    & skf18("4","10","10","1","7","1","1") = "9"
    & skf18("4","10","10","1","7","2","1") = "9"
    & skf18("4","10","10","1","7","3","1") = "9"
    & skf18("4","10","10","1","7","4","1") = "9"
    & skf18("4","10","10","1","7","5","1") = "9"
    & skf18("4","10","10","1","7","6","1") = "9"
    & skf18("4","10","10","1","7","7","1") = "9"
    & skf18("4","10","10","1","7","8","1") = "9"
    & skf18("4","10","10","1","7","9","1") = "9"
    & skf18("4","10","10","1","7","10","1") = "9"
    & skf18("4","10","10","1","8","1","1") = "9"
    & skf18("4","10","10","1","8","2","1") = "9"
    & skf18("4","10","10","1","8","3","1") = "9"
    & skf18("4","10","10","1","8","4","1") = "9"
    & skf18("4","10","10","1","8","5","1") = "9"
    & skf18("4","10","10","1","8","6","1") = "9"
    & skf18("4","10","10","1","8","7","1") = "9"
    & skf18("4","10","10","1","8","8","1") = "9"
    & skf18("4","10","10","1","8","9","1") = "9"
    & skf18("4","10","10","1","8","10","1") = "9"
    & skf18("4","10","10","1","9","1","1") = "9"
    & skf18("4","10","10","1","9","2","1") = "9"
    & skf18("4","10","10","1","9","3","1") = "9"
    & skf18("4","10","10","1","9","4","1") = "9"
    & skf18("4","10","10","1","9","5","1") = "9"
    & skf18("4","10","10","1","9","6","1") = "9"
    & skf18("4","10","10","1","9","7","1") = "9"
    & skf18("4","10","10","1","9","8","1") = "9"
    & skf18("4","10","10","1","9","9","1") = "9"
    & skf18("4","10","10","1","9","10","1") = "9"
    & skf18("4","10","10","1","10","1","1") = "9"
    & skf18("4","10","10","1","10","2","1") = "9"
    & skf18("4","10","10","1","10","3","1") = "9"
    & skf18("4","10","10","1","10","4","1") = "9"
    & skf18("4","10","10","1","10","5","1") = "9"
    & skf18("4","10","10","1","10","6","1") = "9"
    & skf18("4","10","10","1","10","7","1") = "9"
    & skf18("4","10","10","1","10","8","1") = "9"
    & skf18("4","10","10","1","10","9","1") = "9"
    & skf18("4","10","10","1","10","10","1") = "9"
    & skf18("4","10","10","2","1","1","1") = "9"
    & skf18("4","10","10","2","1","2","1") = "9"
    & skf18("4","10","10","2","1","3","1") = "9"
    & skf18("4","10","10","2","1","4","1") = "9"
    & skf18("4","10","10","2","1","5","1") = "9"
    & skf18("4","10","10","2","1","6","1") = "9"
    & skf18("4","10","10","2","1","7","1") = "9"
    & skf18("4","10","10","2","1","8","1") = "9"
    & skf18("4","10","10","2","1","9","1") = "9"
    & skf18("4","10","10","2","1","10","1") = "9"
    & skf18("4","10","10","2","2","1","1") = "9"
    & skf18("4","10","10","2","2","2","1") = "9"
    & skf18("4","10","10","2","2","3","1") = "9"
    & skf18("4","10","10","2","2","4","1") = "9"
    & skf18("4","10","10","2","2","5","1") = "9"
    & skf18("4","10","10","2","2","6","1") = "9"
    & skf18("4","10","10","2","2","7","1") = "9"
    & skf18("4","10","10","2","2","8","1") = "9"
    & skf18("4","10","10","2","2","9","1") = "9"
    & skf18("4","10","10","2","2","10","1") = "9"
    & skf18("4","10","10","2","3","1","1") = "9"
    & skf18("4","10","10","2","3","2","1") = "9"
    & skf18("4","10","10","2","3","3","1") = "9"
    & skf18("4","10","10","2","3","4","1") = "9"
    & skf18("4","10","10","2","3","5","1") = "9"
    & skf18("4","10","10","2","3","6","1") = "9"
    & skf18("4","10","10","2","3","7","1") = "9"
    & skf18("4","10","10","2","3","8","1") = "9"
    & skf18("4","10","10","2","3","9","1") = "9"
    & skf18("4","10","10","2","3","10","1") = "9"
    & skf18("4","10","10","2","4","1","1") = "9"
    & skf18("4","10","10","2","4","2","1") = "9"
    & skf18("4","10","10","2","4","3","1") = "9"
    & skf18("4","10","10","2","4","4","1") = "9"
    & skf18("4","10","10","2","4","5","1") = "9"
    & skf18("4","10","10","2","4","6","1") = "9"
    & skf18("4","10","10","2","4","7","1") = "9"
    & skf18("4","10","10","2","4","8","1") = "9"
    & skf18("4","10","10","2","4","9","1") = "9"
    & skf18("4","10","10","2","4","10","1") = "9"
    & skf18("4","10","10","2","5","1","1") = "9"
    & skf18("4","10","10","2","5","2","1") = "9"
    & skf18("4","10","10","2","5","3","1") = "9"
    & skf18("4","10","10","2","5","4","1") = "9"
    & skf18("4","10","10","2","5","5","1") = "9"
    & skf18("4","10","10","2","5","6","1") = "9"
    & skf18("4","10","10","2","5","7","1") = "9"
    & skf18("4","10","10","2","5","8","1") = "9"
    & skf18("4","10","10","2","5","9","1") = "9"
    & skf18("4","10","10","2","5","10","1") = "9"
    & skf18("4","10","10","2","6","1","1") = "9"
    & skf18("4","10","10","2","6","2","1") = "9"
    & skf18("4","10","10","2","6","3","1") = "9"
    & skf18("4","10","10","2","6","4","1") = "9"
    & skf18("4","10","10","2","6","5","1") = "9"
    & skf18("4","10","10","2","6","6","1") = "9"
    & skf18("4","10","10","2","6","7","1") = "9"
    & skf18("4","10","10","2","6","8","1") = "9"
    & skf18("4","10","10","2","6","9","1") = "9"
    & skf18("4","10","10","2","6","10","1") = "9"
    & skf18("4","10","10","2","7","1","1") = "9"
    & skf18("4","10","10","2","7","2","1") = "9"
    & skf18("4","10","10","2","7","3","1") = "9"
    & skf18("4","10","10","2","7","4","1") = "9"
    & skf18("4","10","10","2","7","5","1") = "9"
    & skf18("4","10","10","2","7","6","1") = "9"
    & skf18("4","10","10","2","7","7","1") = "9"
    & skf18("4","10","10","2","7","8","1") = "9"
    & skf18("4","10","10","2","7","9","1") = "9"
    & skf18("4","10","10","2","7","10","1") = "9"
    & skf18("4","10","10","2","8","1","1") = "9"
    & skf18("4","10","10","2","8","2","1") = "9"
    & skf18("4","10","10","2","8","3","1") = "9"
    & skf18("4","10","10","2","8","4","1") = "9"
    & skf18("4","10","10","2","8","5","1") = "9"
    & skf18("4","10","10","2","8","6","1") = "9"
    & skf18("4","10","10","2","8","7","1") = "9"
    & skf18("4","10","10","2","8","8","1") = "9"
    & skf18("4","10","10","2","8","9","1") = "9"
    & skf18("4","10","10","2","8","10","1") = "9"
    & skf18("4","10","10","2","9","1","1") = "9"
    & skf18("4","10","10","2","9","2","1") = "9"
    & skf18("4","10","10","2","9","3","1") = "9"
    & skf18("4","10","10","2","9","4","1") = "9"
    & skf18("4","10","10","2","9","5","1") = "9"
    & skf18("4","10","10","2","9","6","1") = "9"
    & skf18("4","10","10","2","9","7","1") = "9"
    & skf18("4","10","10","2","9","8","1") = "9"
    & skf18("4","10","10","2","9","9","1") = "9"
    & skf18("4","10","10","2","9","10","1") = "9"
    & skf18("4","10","10","2","10","1","1") = "9"
    & skf18("4","10","10","2","10","2","1") = "9"
    & skf18("4","10","10","2","10","3","1") = "9"
    & skf18("4","10","10","2","10","4","1") = "9"
    & skf18("4","10","10","2","10","5","1") = "9"
    & skf18("4","10","10","2","10","6","1") = "9"
    & skf18("4","10","10","2","10","7","1") = "9"
    & skf18("4","10","10","2","10","8","1") = "9"
    & skf18("4","10","10","2","10","9","1") = "9"
    & skf18("4","10","10","2","10","10","1") = "9"
    & skf18("4","10","10","3","1","1","1") = "9"
    & skf18("4","10","10","3","1","2","1") = "9"
    & skf18("4","10","10","3","1","3","1") = "9"
    & skf18("4","10","10","3","1","4","1") = "9"
    & skf18("4","10","10","3","1","5","1") = "9"
    & skf18("4","10","10","3","1","6","1") = "9"
    & skf18("4","10","10","3","1","7","1") = "9"
    & skf18("4","10","10","3","1","8","1") = "9"
    & skf18("4","10","10","3","1","9","1") = "9"
    & skf18("4","10","10","3","1","10","1") = "9"
    & skf18("4","10","10","3","2","1","1") = "9"
    & skf18("4","10","10","3","2","2","1") = "9"
    & skf18("4","10","10","3","2","3","1") = "9"
    & skf18("4","10","10","3","2","4","1") = "9"
    & skf18("4","10","10","3","2","5","1") = "9"
    & skf18("4","10","10","3","2","6","1") = "9"
    & skf18("4","10","10","3","2","7","1") = "9"
    & skf18("4","10","10","3","2","8","1") = "9"
    & skf18("4","10","10","3","2","9","1") = "9"
    & skf18("4","10","10","3","2","10","1") = "9"
    & skf18("4","10","10","3","3","1","1") = "9"
    & skf18("4","10","10","3","3","2","1") = "9"
    & skf18("4","10","10","3","3","3","1") = "9"
    & skf18("4","10","10","3","3","4","1") = "9"
    & skf18("4","10","10","3","3","5","1") = "9"
    & skf18("4","10","10","3","3","6","1") = "9"
    & skf18("4","10","10","3","3","7","1") = "9"
    & skf18("4","10","10","3","3","8","1") = "9"
    & skf18("4","10","10","3","3","9","1") = "9"
    & skf18("4","10","10","3","3","10","1") = "9"
    & skf18("4","10","10","3","4","1","1") = "9"
    & skf18("4","10","10","3","4","2","1") = "9"
    & skf18("4","10","10","3","4","3","1") = "9"
    & skf18("4","10","10","3","4","4","1") = "9"
    & skf18("4","10","10","3","4","5","1") = "9"
    & skf18("4","10","10","3","4","6","1") = "9"
    & skf18("4","10","10","3","4","7","1") = "9"
    & skf18("4","10","10","3","4","8","1") = "9"
    & skf18("4","10","10","3","4","9","1") = "9"
    & skf18("4","10","10","3","4","10","1") = "9"
    & skf18("4","10","10","3","5","1","1") = "9"
    & skf18("4","10","10","3","5","2","1") = "9"
    & skf18("4","10","10","3","5","3","1") = "9"
    & skf18("4","10","10","3","5","4","1") = "9"
    & skf18("4","10","10","3","5","5","1") = "9"
    & skf18("4","10","10","3","5","6","1") = "9"
    & skf18("4","10","10","3","5","7","1") = "9"
    & skf18("4","10","10","3","5","8","1") = "9"
    & skf18("4","10","10","3","5","9","1") = "9"
    & skf18("4","10","10","3","5","10","1") = "9"
    & skf18("4","10","10","3","6","1","1") = "9"
    & skf18("4","10","10","3","6","2","1") = "9"
    & skf18("4","10","10","3","6","3","1") = "9"
    & skf18("4","10","10","3","6","4","1") = "9"
    & skf18("4","10","10","3","6","5","1") = "9"
    & skf18("4","10","10","3","6","6","1") = "9"
    & skf18("4","10","10","3","6","7","1") = "9"
    & skf18("4","10","10","3","6","8","1") = "9"
    & skf18("4","10","10","3","6","9","1") = "9"
    & skf18("4","10","10","3","6","10","1") = "9"
    & skf18("4","10","10","3","7","1","1") = "9"
    & skf18("4","10","10","3","7","2","1") = "9"
    & skf18("4","10","10","3","7","3","1") = "9"
    & skf18("4","10","10","3","7","4","1") = "9"
    & skf18("4","10","10","3","7","5","1") = "9"
    & skf18("4","10","10","3","7","6","1") = "9"
    & skf18("4","10","10","3","7","7","1") = "9"
    & skf18("4","10","10","3","7","8","1") = "9"
    & skf18("4","10","10","3","7","9","1") = "9"
    & skf18("4","10","10","3","7","10","1") = "9"
    & skf18("4","10","10","3","8","1","1") = "9"
    & skf18("4","10","10","3","8","2","1") = "9"
    & skf18("4","10","10","3","8","3","1") = "9"
    & skf18("4","10","10","3","8","4","1") = "9"
    & skf18("4","10","10","3","8","5","1") = "9"
    & skf18("4","10","10","3","8","6","1") = "9"
    & skf18("4","10","10","3","8","7","1") = "9"
    & skf18("4","10","10","3","8","8","1") = "9"
    & skf18("4","10","10","3","8","9","1") = "9"
    & skf18("4","10","10","3","8","10","1") = "9"
    & skf18("4","10","10","3","9","1","1") = "9"
    & skf18("4","10","10","3","9","2","1") = "9"
    & skf18("4","10","10","3","9","3","1") = "9"
    & skf18("4","10","10","3","9","4","1") = "9"
    & skf18("4","10","10","3","9","5","1") = "9"
    & skf18("4","10","10","3","9","6","1") = "9"
    & skf18("4","10","10","3","9","7","1") = "9"
    & skf18("4","10","10","3","9","8","1") = "9"
    & skf18("4","10","10","3","9","9","1") = "9"
    & skf18("4","10","10","3","9","10","1") = "9"
    & skf18("4","10","10","3","10","1","1") = "9"
    & skf18("4","10","10","3","10","2","1") = "9"
    & skf18("4","10","10","3","10","3","1") = "9"
    & skf18("4","10","10","3","10","4","1") = "9"
    & skf18("4","10","10","3","10","5","1") = "9"
    & skf18("4","10","10","3","10","6","1") = "9"
    & skf18("4","10","10","3","10","7","1") = "9"
    & skf18("4","10","10","3","10","8","1") = "9"
    & skf18("4","10","10","3","10","9","1") = "9"
    & skf18("4","10","10","3","10","10","1") = "9"
    & skf18("4","10","10","4","1","1","1") = "9"
    & skf18("4","10","10","4","1","2","1") = "9"
    & skf18("4","10","10","4","1","3","1") = "9"
    & skf18("4","10","10","4","1","4","1") = "9"
    & skf18("4","10","10","4","1","5","1") = "9"
    & skf18("4","10","10","4","1","6","1") = "9"
    & skf18("4","10","10","4","1","7","1") = "9"
    & skf18("4","10","10","4","1","8","1") = "9"
    & skf18("4","10","10","4","1","9","1") = "9"
    & skf18("4","10","10","4","1","10","1") = "9"
    & skf18("4","10","10","4","2","1","1") = "9"
    & skf18("4","10","10","4","2","2","1") = "9"
    & skf18("4","10","10","4","2","3","1") = "9"
    & skf18("4","10","10","4","2","4","1") = "9"
    & skf18("4","10","10","4","2","5","1") = "9"
    & skf18("4","10","10","4","2","6","1") = "9"
    & skf18("4","10","10","4","2","7","1") = "9"
    & skf18("4","10","10","4","2","8","1") = "9"
    & skf18("4","10","10","4","2","9","1") = "9"
    & skf18("4","10","10","4","2","10","1") = "9"
    & skf18("4","10","10","4","3","1","1") = "9"
    & skf18("4","10","10","4","3","2","1") = "9"
    & skf18("4","10","10","4","3","3","1") = "9"
    & skf18("4","10","10","4","3","4","1") = "9"
    & skf18("4","10","10","4","3","5","1") = "9"
    & skf18("4","10","10","4","3","6","1") = "9"
    & skf18("4","10","10","4","3","7","1") = "9"
    & skf18("4","10","10","4","3","8","1") = "9"
    & skf18("4","10","10","4","3","9","1") = "9"
    & skf18("4","10","10","4","3","10","1") = "9"
    & skf18("4","10","10","4","4","1","1") = "9"
    & skf18("4","10","10","4","4","2","1") = "9"
    & skf18("4","10","10","4","4","3","1") = "9"
    & skf18("4","10","10","4","4","4","1") = "9"
    & skf18("4","10","10","4","4","5","1") = "9"
    & skf18("4","10","10","4","4","6","1") = "9"
    & skf18("4","10","10","4","4","7","1") = "9"
    & skf18("4","10","10","4","4","8","1") = "9"
    & skf18("4","10","10","4","4","9","1") = "9"
    & skf18("4","10","10","4","4","10","1") = "9"
    & skf18("4","10","10","4","5","1","1") = "9"
    & skf18("4","10","10","4","5","2","1") = "9"
    & skf18("4","10","10","4","5","3","1") = "9"
    & skf18("4","10","10","4","5","4","1") = "9"
    & skf18("4","10","10","4","5","5","1") = "9"
    & skf18("4","10","10","4","5","6","1") = "9"
    & skf18("4","10","10","4","5","7","1") = "9"
    & skf18("4","10","10","4","5","8","1") = "9"
    & skf18("4","10","10","4","5","9","1") = "9"
    & skf18("4","10","10","4","5","10","1") = "9"
    & skf18("4","10","10","4","6","1","1") = "9"
    & skf18("4","10","10","4","6","2","1") = "9"
    & skf18("4","10","10","4","6","3","1") = "9"
    & skf18("4","10","10","4","6","4","1") = "9"
    & skf18("4","10","10","4","6","5","1") = "9"
    & skf18("4","10","10","4","6","6","1") = "9"
    & skf18("4","10","10","4","6","7","1") = "9"
    & skf18("4","10","10","4","6","8","1") = "9"
    & skf18("4","10","10","4","6","9","1") = "9"
    & skf18("4","10","10","4","6","10","1") = "9"
    & skf18("4","10","10","4","7","1","1") = "9"
    & skf18("4","10","10","4","7","2","1") = "9"
    & skf18("4","10","10","4","7","3","1") = "9"
    & skf18("4","10","10","4","7","4","1") = "9"
    & skf18("4","10","10","4","7","5","1") = "9"
    & skf18("4","10","10","4","7","6","1") = "9"
    & skf18("4","10","10","4","7","7","1") = "9"
    & skf18("4","10","10","4","7","8","1") = "9"
    & skf18("4","10","10","4","7","9","1") = "9"
    & skf18("4","10","10","4","7","10","1") = "9"
    & skf18("4","10","10","4","8","1","1") = "9"
    & skf18("4","10","10","4","8","2","1") = "9"
    & skf18("4","10","10","4","8","3","1") = "9"
    & skf18("4","10","10","4","8","4","1") = "9"
    & skf18("4","10","10","4","8","5","1") = "9"
    & skf18("4","10","10","4","8","6","1") = "9"
    & skf18("4","10","10","4","8","7","1") = "9"
    & skf18("4","10","10","4","8","8","1") = "9"
    & skf18("4","10","10","4","8","9","1") = "9"
    & skf18("4","10","10","4","8","10","1") = "9"
    & skf18("4","10","10","4","9","1","1") = "9"
    & skf18("4","10","10","4","9","2","1") = "9"
    & skf18("4","10","10","4","9","3","1") = "9"
    & skf18("4","10","10","4","9","4","1") = "9"
    & skf18("4","10","10","4","9","5","1") = "9"
    & skf18("4","10","10","4","9","6","1") = "9"
    & skf18("4","10","10","4","9","7","1") = "9"
    & skf18("4","10","10","4","9","8","1") = "9"
    & skf18("4","10","10","4","9","9","1") = "9"
    & skf18("4","10","10","4","9","10","1") = "9"
    & skf18("4","10","10","4","10","1","1") = "9"
    & skf18("4","10","10","4","10","2","1") = "9"
    & skf18("4","10","10","4","10","3","1") = "9"
    & skf18("4","10","10","4","10","4","1") = "9"
    & skf18("4","10","10","4","10","5","1") = "9"
    & skf18("4","10","10","4","10","6","1") = "9"
    & skf18("4","10","10","4","10","7","1") = "9"
    & skf18("4","10","10","4","10","8","1") = "9"
    & skf18("4","10","10","4","10","9","1") = "9"
    & skf18("4","10","10","4","10","10","1") = "9"
    & skf18("4","10","10","5","1","1","1") = "9"
    & skf18("4","10","10","5","1","2","1") = "9"
    & skf18("4","10","10","5","1","3","1") = "9"
    & skf18("4","10","10","5","1","4","1") = "9"
    & skf18("4","10","10","5","1","5","1") = "9"
    & skf18("4","10","10","5","1","6","1") = "9"
    & skf18("4","10","10","5","1","7","1") = "9"
    & skf18("4","10","10","5","1","8","1") = "9"
    & skf18("4","10","10","5","1","9","1") = "9"
    & skf18("4","10","10","5","1","10","1") = "9"
    & skf18("4","10","10","5","2","1","1") = "9"
    & skf18("4","10","10","5","2","2","1") = "9"
    & skf18("4","10","10","5","2","3","1") = "9"
    & skf18("4","10","10","5","2","4","1") = "9"
    & skf18("4","10","10","5","2","5","1") = "9"
    & skf18("4","10","10","5","2","6","1") = "9"
    & skf18("4","10","10","5","2","7","1") = "9"
    & skf18("4","10","10","5","2","8","1") = "9"
    & skf18("4","10","10","5","2","9","1") = "9"
    & skf18("4","10","10","5","2","10","1") = "9"
    & skf18("4","10","10","5","3","1","1") = "9"
    & skf18("4","10","10","5","3","2","1") = "9"
    & skf18("4","10","10","5","3","3","1") = "9"
    & skf18("4","10","10","5","3","4","1") = "9"
    & skf18("4","10","10","5","3","5","1") = "9"
    & skf18("4","10","10","5","3","6","1") = "9"
    & skf18("4","10","10","5","3","7","1") = "9"
    & skf18("4","10","10","5","3","8","1") = "9"
    & skf18("4","10","10","5","3","9","1") = "9"
    & skf18("4","10","10","5","3","10","1") = "9"
    & skf18("4","10","10","5","4","1","1") = "9"
    & skf18("4","10","10","5","4","2","1") = "9"
    & skf18("4","10","10","5","4","3","1") = "9"
    & skf18("4","10","10","5","4","4","1") = "9"
    & skf18("4","10","10","5","4","5","1") = "9"
    & skf18("4","10","10","5","4","6","1") = "9"
    & skf18("4","10","10","5","4","7","1") = "9"
    & skf18("4","10","10","5","4","8","1") = "9"
    & skf18("4","10","10","5","4","9","1") = "9"
    & skf18("4","10","10","5","4","10","1") = "9"
    & skf18("4","10","10","5","5","1","1") = "9"
    & skf18("4","10","10","5","5","2","1") = "9"
    & skf18("4","10","10","5","5","3","1") = "9"
    & skf18("4","10","10","5","5","4","1") = "9"
    & skf18("4","10","10","5","5","5","1") = "9"
    & skf18("4","10","10","5","5","6","1") = "9"
    & skf18("4","10","10","5","5","7","1") = "9"
    & skf18("4","10","10","5","5","8","1") = "9"
    & skf18("4","10","10","5","5","9","1") = "9"
    & skf18("4","10","10","5","5","10","1") = "9"
    & skf18("4","10","10","5","6","1","1") = "9"
    & skf18("4","10","10","5","6","2","1") = "9"
    & skf18("4","10","10","5","6","3","1") = "9"
    & skf18("4","10","10","5","6","4","1") = "9"
    & skf18("4","10","10","5","6","5","1") = "9"
    & skf18("4","10","10","5","6","6","1") = "9"
    & skf18("4","10","10","5","6","7","1") = "9"
    & skf18("4","10","10","5","6","8","1") = "9"
    & skf18("4","10","10","5","6","9","1") = "9"
    & skf18("4","10","10","5","6","10","1") = "9"
    & skf18("4","10","10","5","7","1","1") = "9"
    & skf18("4","10","10","5","7","2","1") = "9"
    & skf18("4","10","10","5","7","3","1") = "9"
    & skf18("4","10","10","5","7","4","1") = "9"
    & skf18("4","10","10","5","7","5","1") = "9"
    & skf18("4","10","10","5","7","6","1") = "9"
    & skf18("4","10","10","5","7","7","1") = "9"
    & skf18("4","10","10","5","7","8","1") = "9"
    & skf18("4","10","10","5","7","9","1") = "9"
    & skf18("4","10","10","5","7","10","1") = "9"
    & skf18("4","10","10","5","8","1","1") = "9"
    & skf18("4","10","10","5","8","2","1") = "9"
    & skf18("4","10","10","5","8","3","1") = "9"
    & skf18("4","10","10","5","8","4","1") = "9"
    & skf18("4","10","10","5","8","5","1") = "9"
    & skf18("4","10","10","5","8","6","1") = "9"
    & skf18("4","10","10","5","8","7","1") = "9"
    & skf18("4","10","10","5","8","8","1") = "9"
    & skf18("4","10","10","5","8","9","1") = "9"
    & skf18("4","10","10","5","8","10","1") = "9"
    & skf18("4","10","10","5","9","1","1") = "9"
    & skf18("4","10","10","5","9","2","1") = "9"
    & skf18("4","10","10","5","9","3","1") = "9"
    & skf18("4","10","10","5","9","4","1") = "9"
    & skf18("4","10","10","5","9","5","1") = "9"
    & skf18("4","10","10","5","9","6","1") = "9"
    & skf18("4","10","10","5","9","7","1") = "9"
    & skf18("4","10","10","5","9","8","1") = "9"
    & skf18("4","10","10","5","9","9","1") = "9"
    & skf18("4","10","10","5","9","10","1") = "9"
    & skf18("4","10","10","5","10","1","1") = "9"
    & skf18("4","10","10","5","10","2","1") = "9"
    & skf18("4","10","10","5","10","3","1") = "9"
    & skf18("4","10","10","5","10","4","1") = "9"
    & skf18("4","10","10","5","10","5","1") = "9"
    & skf18("4","10","10","5","10","6","1") = "9"
    & skf18("4","10","10","5","10","7","1") = "9"
    & skf18("4","10","10","5","10","8","1") = "9"
    & skf18("4","10","10","5","10","9","1") = "9"
    & skf18("4","10","10","5","10","10","1") = "9"
    & skf18("4","10","10","6","1","1","1") = "9"
    & skf18("4","10","10","6","1","2","1") = "9"
    & skf18("4","10","10","6","1","3","1") = "9"
    & skf18("4","10","10","6","1","4","1") = "9"
    & skf18("4","10","10","6","1","5","1") = "9"
    & skf18("4","10","10","6","1","6","1") = "9"
    & skf18("4","10","10","6","1","7","1") = "9"
    & skf18("4","10","10","6","1","8","1") = "9"
    & skf18("4","10","10","6","1","9","1") = "9"
    & skf18("4","10","10","6","1","10","1") = "9"
    & skf18("4","10","10","6","2","1","1") = "9"
    & skf18("4","10","10","6","2","2","1") = "9"
    & skf18("4","10","10","6","2","3","1") = "9"
    & skf18("4","10","10","6","2","4","1") = "9"
    & skf18("4","10","10","6","2","5","1") = "9"
    & skf18("4","10","10","6","2","6","1") = "9"
    & skf18("4","10","10","6","2","7","1") = "9"
    & skf18("4","10","10","6","2","8","1") = "9"
    & skf18("4","10","10","6","2","9","1") = "9"
    & skf18("4","10","10","6","2","10","1") = "9"
    & skf18("4","10","10","6","3","1","1") = "9"
    & skf18("4","10","10","6","3","2","1") = "9"
    & skf18("4","10","10","6","3","3","1") = "9"
    & skf18("4","10","10","6","3","4","1") = "9"
    & skf18("4","10","10","6","3","5","1") = "9"
    & skf18("4","10","10","6","3","6","1") = "9"
    & skf18("4","10","10","6","3","7","1") = "9"
    & skf18("4","10","10","6","3","8","1") = "9"
    & skf18("4","10","10","6","3","9","1") = "9"
    & skf18("4","10","10","6","3","10","1") = "9"
    & skf18("4","10","10","6","4","1","1") = "9"
    & skf18("4","10","10","6","4","2","1") = "9"
    & skf18("4","10","10","6","4","3","1") = "9"
    & skf18("4","10","10","6","4","4","1") = "9"
    & skf18("4","10","10","6","4","5","1") = "9"
    & skf18("4","10","10","6","4","6","1") = "9"
    & skf18("4","10","10","6","4","7","1") = "9"
    & skf18("4","10","10","6","4","8","1") = "9"
    & skf18("4","10","10","6","4","9","1") = "9"
    & skf18("4","10","10","6","4","10","1") = "9"
    & skf18("4","10","10","6","5","1","1") = "9"
    & skf18("4","10","10","6","5","2","1") = "9"
    & skf18("4","10","10","6","5","3","1") = "9"
    & skf18("4","10","10","6","5","4","1") = "9"
    & skf18("4","10","10","6","5","5","1") = "9"
    & skf18("4","10","10","6","5","6","1") = "9"
    & skf18("4","10","10","6","5","7","1") = "9"
    & skf18("4","10","10","6","5","8","1") = "9"
    & skf18("4","10","10","6","5","9","1") = "9"
    & skf18("4","10","10","6","5","10","1") = "9"
    & skf18("4","10","10","6","6","1","1") = "9"
    & skf18("4","10","10","6","6","2","1") = "9"
    & skf18("4","10","10","6","6","3","1") = "9"
    & skf18("4","10","10","6","6","4","1") = "9"
    & skf18("4","10","10","6","6","5","1") = "9"
    & skf18("4","10","10","6","6","6","1") = "9"
    & skf18("4","10","10","6","6","7","1") = "9"
    & skf18("4","10","10","6","6","8","1") = "9"
    & skf18("4","10","10","6","6","9","1") = "9"
    & skf18("4","10","10","6","6","10","1") = "9"
    & skf18("4","10","10","6","7","1","1") = "9"
    & skf18("4","10","10","6","7","2","1") = "9"
    & skf18("4","10","10","6","7","3","1") = "9"
    & skf18("4","10","10","6","7","4","1") = "9"
    & skf18("4","10","10","6","7","5","1") = "9"
    & skf18("4","10","10","6","7","6","1") = "9"
    & skf18("4","10","10","6","7","7","1") = "9"
    & skf18("4","10","10","6","7","8","1") = "9"
    & skf18("4","10","10","6","7","9","1") = "9"
    & skf18("4","10","10","6","7","10","1") = "9"
    & skf18("4","10","10","6","8","1","1") = "9"
    & skf18("4","10","10","6","8","2","1") = "9"
    & skf18("4","10","10","6","8","3","1") = "9"
    & skf18("4","10","10","6","8","4","1") = "9"
    & skf18("4","10","10","6","8","5","1") = "9"
    & skf18("4","10","10","6","8","6","1") = "9"
    & skf18("4","10","10","6","8","7","1") = "9"
    & skf18("4","10","10","6","8","8","1") = "9"
    & skf18("4","10","10","6","8","9","1") = "9"
    & skf18("4","10","10","6","8","10","1") = "9"
    & skf18("4","10","10","6","9","1","1") = "9"
    & skf18("4","10","10","6","9","2","1") = "9"
    & skf18("4","10","10","6","9","3","1") = "9"
    & skf18("4","10","10","6","9","4","1") = "9"
    & skf18("4","10","10","6","9","5","1") = "9"
    & skf18("4","10","10","6","9","6","1") = "9"
    & skf18("4","10","10","6","9","7","1") = "9"
    & skf18("4","10","10","6","9","8","1") = "9"
    & skf18("4","10","10","6","9","9","1") = "9"
    & skf18("4","10","10","6","9","10","1") = "9"
    & skf18("4","10","10","6","10","1","1") = "9"
    & skf18("4","10","10","6","10","2","1") = "9"
    & skf18("4","10","10","6","10","3","1") = "9"
    & skf18("4","10","10","6","10","4","1") = "9"
    & skf18("4","10","10","6","10","5","1") = "9"
    & skf18("4","10","10","6","10","6","1") = "9"
    & skf18("4","10","10","6","10","7","1") = "9"
    & skf18("4","10","10","6","10","8","1") = "9"
    & skf18("4","10","10","6","10","9","1") = "9"
    & skf18("4","10","10","6","10","10","1") = "9"
    & skf18("4","10","10","7","1","1","1") = "9"
    & skf18("4","10","10","7","1","2","1") = "9"
    & skf18("4","10","10","7","1","3","1") = "9"
    & skf18("4","10","10","7","1","4","1") = "9"
    & skf18("4","10","10","7","1","5","1") = "9"
    & skf18("4","10","10","7","1","6","1") = "9"
    & skf18("4","10","10","7","1","7","1") = "9"
    & skf18("4","10","10","7","1","8","1") = "9"
    & skf18("4","10","10","7","1","9","1") = "9"
    & skf18("4","10","10","7","1","10","1") = "9"
    & skf18("4","10","10","7","2","1","1") = "9"
    & skf18("4","10","10","7","2","2","1") = "9"
    & skf18("4","10","10","7","2","3","1") = "9"
    & skf18("4","10","10","7","2","4","1") = "9"
    & skf18("4","10","10","7","2","5","1") = "9"
    & skf18("4","10","10","7","2","6","1") = "9"
    & skf18("4","10","10","7","2","7","1") = "9"
    & skf18("4","10","10","7","2","8","1") = "9"
    & skf18("4","10","10","7","2","9","1") = "9"
    & skf18("4","10","10","7","2","10","1") = "9"
    & skf18("4","10","10","7","3","1","1") = "9"
    & skf18("4","10","10","7","3","2","1") = "9"
    & skf18("4","10","10","7","3","3","1") = "9"
    & skf18("4","10","10","7","3","4","1") = "9"
    & skf18("4","10","10","7","3","5","1") = "9"
    & skf18("4","10","10","7","3","6","1") = "9"
    & skf18("4","10","10","7","3","7","1") = "9"
    & skf18("4","10","10","7","3","8","1") = "9"
    & skf18("4","10","10","7","3","9","1") = "9"
    & skf18("4","10","10","7","3","10","1") = "9"
    & skf18("4","10","10","7","4","1","1") = "9"
    & skf18("4","10","10","7","4","2","1") = "9"
    & skf18("4","10","10","7","4","3","1") = "9"
    & skf18("4","10","10","7","4","4","1") = "9"
    & skf18("4","10","10","7","4","5","1") = "9"
    & skf18("4","10","10","7","4","6","1") = "9"
    & skf18("4","10","10","7","4","7","1") = "9"
    & skf18("4","10","10","7","4","8","1") = "9"
    & skf18("4","10","10","7","4","9","1") = "9"
    & skf18("4","10","10","7","4","10","1") = "9"
    & skf18("4","10","10","7","5","1","1") = "9"
    & skf18("4","10","10","7","5","2","1") = "9"
    & skf18("4","10","10","7","5","3","1") = "9"
    & skf18("4","10","10","7","5","4","1") = "9"
    & skf18("4","10","10","7","5","5","1") = "9"
    & skf18("4","10","10","7","5","6","1") = "9"
    & skf18("4","10","10","7","5","7","1") = "9"
    & skf18("4","10","10","7","5","8","1") = "9"
    & skf18("4","10","10","7","5","9","1") = "9"
    & skf18("4","10","10","7","5","10","1") = "9"
    & skf18("4","10","10","7","6","1","1") = "9"
    & skf18("4","10","10","7","6","2","1") = "9"
    & skf18("4","10","10","7","6","3","1") = "9"
    & skf18("4","10","10","7","6","4","1") = "9"
    & skf18("4","10","10","7","6","5","1") = "9"
    & skf18("4","10","10","7","6","6","1") = "9"
    & skf18("4","10","10","7","6","7","1") = "9"
    & skf18("4","10","10","7","6","8","1") = "9"
    & skf18("4","10","10","7","6","9","1") = "9"
    & skf18("4","10","10","7","6","10","1") = "9"
    & skf18("4","10","10","7","7","1","1") = "9"
    & skf18("4","10","10","7","7","2","1") = "9"
    & skf18("4","10","10","7","7","3","1") = "9"
    & skf18("4","10","10","7","7","4","1") = "9"
    & skf18("4","10","10","7","7","5","1") = "9"
    & skf18("4","10","10","7","7","6","1") = "9"
    & skf18("4","10","10","7","7","7","1") = "9"
    & skf18("4","10","10","7","7","8","1") = "9"
    & skf18("4","10","10","7","7","9","1") = "9"
    & skf18("4","10","10","7","7","10","1") = "9"
    & skf18("4","10","10","7","8","1","1") = "9"
    & skf18("4","10","10","7","8","2","1") = "9"
    & skf18("4","10","10","7","8","3","1") = "9"
    & skf18("4","10","10","7","8","4","1") = "9"
    & skf18("4","10","10","7","8","5","1") = "9"
    & skf18("4","10","10","7","8","6","1") = "9"
    & skf18("4","10","10","7","8","7","1") = "9"
    & skf18("4","10","10","7","8","8","1") = "9"
    & skf18("4","10","10","7","8","9","1") = "9"
    & skf18("4","10","10","7","8","10","1") = "9"
    & skf18("4","10","10","7","9","1","1") = "9"
    & skf18("4","10","10","7","9","2","1") = "9"
    & skf18("4","10","10","7","9","3","1") = "9"
    & skf18("4","10","10","7","9","4","1") = "9"
    & skf18("4","10","10","7","9","5","1") = "9"
    & skf18("4","10","10","7","9","6","1") = "9"
    & skf18("4","10","10","7","9","7","1") = "9"
    & skf18("4","10","10","7","9","8","1") = "9"
    & skf18("4","10","10","7","9","9","1") = "9"
    & skf18("4","10","10","7","9","10","1") = "9"
    & skf18("4","10","10","7","10","1","1") = "9"
    & skf18("4","10","10","7","10","2","1") = "9"
    & skf18("4","10","10","7","10","3","1") = "9"
    & skf18("4","10","10","7","10","4","1") = "9"
    & skf18("4","10","10","7","10","5","1") = "9"
    & skf18("4","10","10","7","10","6","1") = "9"
    & skf18("4","10","10","7","10","7","1") = "9"
    & skf18("4","10","10","7","10","8","1") = "9"
    & skf18("4","10","10","7","10","9","1") = "9"
    & skf18("4","10","10","7","10","10","1") = "9"
    & skf18("4","10","10","8","1","1","1") = "9"
    & skf18("4","10","10","8","1","2","1") = "9"
    & skf18("4","10","10","8","1","3","1") = "9"
    & skf18("4","10","10","8","1","4","1") = "9"
    & skf18("4","10","10","8","1","5","1") = "9"
    & skf18("4","10","10","8","1","6","1") = "9"
    & skf18("4","10","10","8","1","7","1") = "9"
    & skf18("4","10","10","8","1","8","1") = "9"
    & skf18("4","10","10","8","1","9","1") = "9"
    & skf18("4","10","10","8","1","10","1") = "9"
    & skf18("4","10","10","8","2","1","1") = "9"
    & skf18("4","10","10","8","2","2","1") = "9"
    & skf18("4","10","10","8","2","3","1") = "9"
    & skf18("4","10","10","8","2","4","1") = "9"
    & skf18("4","10","10","8","2","5","1") = "9"
    & skf18("4","10","10","8","2","6","1") = "9"
    & skf18("4","10","10","8","2","7","1") = "9"
    & skf18("4","10","10","8","2","8","1") = "9"
    & skf18("4","10","10","8","2","9","1") = "9"
    & skf18("4","10","10","8","2","10","1") = "9"
    & skf18("4","10","10","8","3","1","1") = "9"
    & skf18("4","10","10","8","3","2","1") = "9"
    & skf18("4","10","10","8","3","3","1") = "9"
    & skf18("4","10","10","8","3","4","1") = "9"
    & skf18("4","10","10","8","3","5","1") = "9"
    & skf18("4","10","10","8","3","6","1") = "9"
    & skf18("4","10","10","8","3","7","1") = "9"
    & skf18("4","10","10","8","3","8","1") = "9"
    & skf18("4","10","10","8","3","9","1") = "9"
    & skf18("4","10","10","8","3","10","1") = "9"
    & skf18("4","10","10","8","4","1","1") = "9"
    & skf18("4","10","10","8","4","2","1") = "9"
    & skf18("4","10","10","8","4","3","1") = "9"
    & skf18("4","10","10","8","4","4","1") = "9"
    & skf18("4","10","10","8","4","5","1") = "9"
    & skf18("4","10","10","8","4","6","1") = "9"
    & skf18("4","10","10","8","4","7","1") = "9"
    & skf18("4","10","10","8","4","8","1") = "9"
    & skf18("4","10","10","8","4","9","1") = "9"
    & skf18("4","10","10","8","4","10","1") = "9"
    & skf18("4","10","10","8","5","1","1") = "9"
    & skf18("4","10","10","8","5","2","1") = "9"
    & skf18("4","10","10","8","5","3","1") = "9"
    & skf18("4","10","10","8","5","4","1") = "9"
    & skf18("4","10","10","8","5","5","1") = "9"
    & skf18("4","10","10","8","5","6","1") = "9"
    & skf18("4","10","10","8","5","7","1") = "9"
    & skf18("4","10","10","8","5","8","1") = "9"
    & skf18("4","10","10","8","5","9","1") = "9"
    & skf18("4","10","10","8","5","10","1") = "9"
    & skf18("4","10","10","8","6","1","1") = "9"
    & skf18("4","10","10","8","6","2","1") = "9"
    & skf18("4","10","10","8","6","3","1") = "9"
    & skf18("4","10","10","8","6","4","1") = "9"
    & skf18("4","10","10","8","6","5","1") = "9"
    & skf18("4","10","10","8","6","6","1") = "9"
    & skf18("4","10","10","8","6","7","1") = "9"
    & skf18("4","10","10","8","6","8","1") = "9"
    & skf18("4","10","10","8","6","9","1") = "9"
    & skf18("4","10","10","8","6","10","1") = "9"
    & skf18("4","10","10","8","7","1","1") = "9"
    & skf18("4","10","10","8","7","2","1") = "9"
    & skf18("4","10","10","8","7","3","1") = "9"
    & skf18("4","10","10","8","7","4","1") = "9"
    & skf18("4","10","10","8","7","5","1") = "9"
    & skf18("4","10","10","8","7","6","1") = "9"
    & skf18("4","10","10","8","7","7","1") = "9"
    & skf18("4","10","10","8","7","8","1") = "9"
    & skf18("4","10","10","8","7","9","1") = "9"
    & skf18("4","10","10","8","7","10","1") = "9"
    & skf18("4","10","10","8","8","1","1") = "9"
    & skf18("4","10","10","8","8","2","1") = "9"
    & skf18("4","10","10","8","8","3","1") = "9"
    & skf18("4","10","10","8","8","4","1") = "9"
    & skf18("4","10","10","8","8","5","1") = "9"
    & skf18("4","10","10","8","8","6","1") = "9"
    & skf18("4","10","10","8","8","7","1") = "9"
    & skf18("4","10","10","8","8","8","1") = "9"
    & skf18("4","10","10","8","8","9","1") = "9"
    & skf18("4","10","10","8","8","10","1") = "9"
    & skf18("4","10","10","8","9","1","1") = "9"
    & skf18("4","10","10","8","9","2","1") = "9"
    & skf18("4","10","10","8","9","3","1") = "9"
    & skf18("4","10","10","8","9","4","1") = "9"
    & skf18("4","10","10","8","9","5","1") = "9"
    & skf18("4","10","10","8","9","6","1") = "9"
    & skf18("4","10","10","8","9","7","1") = "9"
    & skf18("4","10","10","8","9","8","1") = "9"
    & skf18("4","10","10","8","9","9","1") = "9"
    & skf18("4","10","10","8","9","10","1") = "9"
    & skf18("4","10","10","8","10","1","1") = "9"
    & skf18("4","10","10","8","10","2","1") = "9"
    & skf18("4","10","10","8","10","3","1") = "9"
    & skf18("4","10","10","8","10","4","1") = "9"
    & skf18("4","10","10","8","10","5","1") = "9"
    & skf18("4","10","10","8","10","6","1") = "9"
    & skf18("4","10","10","8","10","7","1") = "9"
    & skf18("4","10","10","8","10","8","1") = "9"
    & skf18("4","10","10","8","10","9","1") = "9"
    & skf18("4","10","10","8","10","10","1") = "9"
    & skf18("4","10","10","9","1","1","1") = "9"
    & skf18("4","10","10","9","1","2","1") = "9"
    & skf18("4","10","10","9","1","3","1") = "9"
    & skf18("4","10","10","9","1","4","1") = "9"
    & skf18("4","10","10","9","1","5","1") = "9"
    & skf18("4","10","10","9","1","6","1") = "9"
    & skf18("4","10","10","9","1","7","1") = "9"
    & skf18("4","10","10","9","1","8","1") = "9"
    & skf18("4","10","10","9","1","9","1") = "9"
    & skf18("4","10","10","9","1","10","1") = "9"
    & skf18("4","10","10","9","2","1","1") = "9"
    & skf18("4","10","10","9","2","2","1") = "9"
    & skf18("4","10","10","9","2","3","1") = "9"
    & skf18("4","10","10","9","2","4","1") = "9"
    & skf18("4","10","10","9","2","5","1") = "9"
    & skf18("4","10","10","9","2","6","1") = "9"
    & skf18("4","10","10","9","2","7","1") = "9"
    & skf18("4","10","10","9","2","8","1") = "9"
    & skf18("4","10","10","9","2","9","1") = "9"
    & skf18("4","10","10","9","2","10","1") = "9"
    & skf18("4","10","10","9","3","1","1") = "9"
    & skf18("4","10","10","9","3","2","1") = "9"
    & skf18("4","10","10","9","3","3","1") = "9"
    & skf18("4","10","10","9","3","4","1") = "9"
    & skf18("4","10","10","9","3","5","1") = "9"
    & skf18("4","10","10","9","3","6","1") = "9"
    & skf18("4","10","10","9","3","7","1") = "9"
    & skf18("4","10","10","9","3","8","1") = "9"
    & skf18("4","10","10","9","3","9","1") = "9"
    & skf18("4","10","10","9","3","10","1") = "9"
    & skf18("4","10","10","9","4","1","1") = "9"
    & skf18("4","10","10","9","4","2","1") = "9"
    & skf18("4","10","10","9","4","3","1") = "9"
    & skf18("4","10","10","9","4","4","1") = "9"
    & skf18("4","10","10","9","4","5","1") = "9"
    & skf18("4","10","10","9","4","6","1") = "9"
    & skf18("4","10","10","9","4","7","1") = "9"
    & skf18("4","10","10","9","4","8","1") = "9"
    & skf18("4","10","10","9","4","9","1") = "9"
    & skf18("4","10","10","9","4","10","1") = "9"
    & skf18("4","10","10","9","5","1","1") = "9"
    & skf18("4","10","10","9","5","2","1") = "9"
    & skf18("4","10","10","9","5","3","1") = "9"
    & skf18("4","10","10","9","5","4","1") = "9"
    & skf18("4","10","10","9","5","5","1") = "9"
    & skf18("4","10","10","9","5","6","1") = "9"
    & skf18("4","10","10","9","5","7","1") = "9"
    & skf18("4","10","10","9","5","8","1") = "9"
    & skf18("4","10","10","9","5","9","1") = "9"
    & skf18("4","10","10","9","5","10","1") = "9"
    & skf18("4","10","10","9","6","1","1") = "9"
    & skf18("4","10","10","9","6","2","1") = "9"
    & skf18("4","10","10","9","6","3","1") = "9"
    & skf18("4","10","10","9","6","4","1") = "9"
    & skf18("4","10","10","9","6","5","1") = "9"
    & skf18("4","10","10","9","6","6","1") = "9"
    & skf18("4","10","10","9","6","7","1") = "9"
    & skf18("4","10","10","9","6","8","1") = "9"
    & skf18("4","10","10","9","6","9","1") = "9"
    & skf18("4","10","10","9","6","10","1") = "9"
    & skf18("4","10","10","9","7","1","1") = "9"
    & skf18("4","10","10","9","7","2","1") = "9"
    & skf18("4","10","10","9","7","3","1") = "9"
    & skf18("4","10","10","9","7","4","1") = "9"
    & skf18("4","10","10","9","7","5","1") = "9"
    & skf18("4","10","10","9","7","6","1") = "9"
    & skf18("4","10","10","9","7","7","1") = "9"
    & skf18("4","10","10","9","7","8","1") = "9"
    & skf18("4","10","10","9","7","9","1") = "9"
    & skf18("4","10","10","9","7","10","1") = "9"
    & skf18("4","10","10","9","8","1","1") = "9"
    & skf18("4","10","10","9","8","2","1") = "9"
    & skf18("4","10","10","9","8","3","1") = "9"
    & skf18("4","10","10","9","8","4","1") = "9"
    & skf18("4","10","10","9","8","5","1") = "9"
    & skf18("4","10","10","9","8","6","1") = "9"
    & skf18("4","10","10","9","8","7","1") = "9"
    & skf18("4","10","10","9","8","8","1") = "9"
    & skf18("4","10","10","9","8","9","1") = "9"
    & skf18("4","10","10","9","8","10","1") = "9"
    & skf18("4","10","10","9","9","1","1") = "9"
    & skf18("4","10","10","9","9","2","1") = "9"
    & skf18("4","10","10","9","9","3","1") = "9"
    & skf18("4","10","10","9","9","4","1") = "9"
    & skf18("4","10","10","9","9","5","1") = "9"
    & skf18("4","10","10","9","9","6","1") = "9"
    & skf18("4","10","10","9","9","7","1") = "9"
    & skf18("4","10","10","9","9","8","1") = "9"
    & skf18("4","10","10","9","9","9","1") = "9"
    & skf18("4","10","10","9","9","10","1") = "9"
    & skf18("4","10","10","9","10","1","1") = "9"
    & skf18("4","10","10","9","10","2","1") = "9"
    & skf18("4","10","10","9","10","3","1") = "9"
    & skf18("4","10","10","9","10","4","1") = "9"
    & skf18("4","10","10","9","10","5","1") = "9"
    & skf18("4","10","10","9","10","6","1") = "9"
    & skf18("4","10","10","9","10","7","1") = "9"
    & skf18("4","10","10","9","10","8","1") = "9"
    & skf18("4","10","10","9","10","9","1") = "9"
    & skf18("4","10","10","9","10","10","1") = "9"
    & skf18("4","10","10","10","1","1","1") = "9"
    & skf18("4","10","10","10","1","2","1") = "9"
    & skf18("4","10","10","10","1","3","1") = "9"
    & skf18("4","10","10","10","1","4","1") = "9"
    & skf18("4","10","10","10","1","5","1") = "9"
    & skf18("4","10","10","10","1","6","1") = "9"
    & skf18("4","10","10","10","1","7","1") = "9"
    & skf18("4","10","10","10","1","8","1") = "9"
    & skf18("4","10","10","10","1","9","1") = "9"
    & skf18("4","10","10","10","1","10","1") = "9"
    & skf18("4","10","10","10","2","1","1") = "9"
    & skf18("4","10","10","10","2","2","1") = "9"
    & skf18("4","10","10","10","2","3","1") = "9"
    & skf18("4","10","10","10","2","4","1") = "9"
    & skf18("4","10","10","10","2","5","1") = "9"
    & skf18("4","10","10","10","2","6","1") = "9"
    & skf18("4","10","10","10","2","7","1") = "9"
    & skf18("4","10","10","10","2","8","1") = "9"
    & skf18("4","10","10","10","2","9","1") = "9"
    & skf18("4","10","10","10","2","10","1") = "9"
    & skf18("4","10","10","10","3","1","1") = "9"
    & skf18("4","10","10","10","3","2","1") = "9"
    & skf18("4","10","10","10","3","3","1") = "9"
    & skf18("4","10","10","10","3","4","1") = "9"
    & skf18("4","10","10","10","3","5","1") = "9"
    & skf18("4","10","10","10","3","6","1") = "9"
    & skf18("4","10","10","10","3","7","1") = "9"
    & skf18("4","10","10","10","3","8","1") = "9"
    & skf18("4","10","10","10","3","9","1") = "9"
    & skf18("4","10","10","10","3","10","1") = "9"
    & skf18("4","10","10","10","4","1","1") = "9"
    & skf18("4","10","10","10","4","2","1") = "9"
    & skf18("4","10","10","10","4","3","1") = "9"
    & skf18("4","10","10","10","4","4","1") = "9"
    & skf18("4","10","10","10","4","5","1") = "9"
    & skf18("4","10","10","10","4","6","1") = "9"
    & skf18("4","10","10","10","4","7","1") = "9"
    & skf18("4","10","10","10","4","8","1") = "9"
    & skf18("4","10","10","10","4","9","1") = "9"
    & skf18("4","10","10","10","4","10","1") = "9"
    & skf18("4","10","10","10","5","1","1") = "9"
    & skf18("4","10","10","10","5","2","1") = "9"
    & skf18("4","10","10","10","5","3","1") = "9"
    & skf18("4","10","10","10","5","4","1") = "9"
    & skf18("4","10","10","10","5","5","1") = "9"
    & skf18("4","10","10","10","5","6","1") = "9"
    & skf18("4","10","10","10","5","7","1") = "9"
    & skf18("4","10","10","10","5","8","1") = "9"
    & skf18("4","10","10","10","5","9","1") = "9"
    & skf18("4","10","10","10","5","10","1") = "9"
    & skf18("4","10","10","10","6","1","1") = "9"
    & skf18("4","10","10","10","6","2","1") = "9"
    & skf18("4","10","10","10","6","3","1") = "9"
    & skf18("4","10","10","10","6","4","1") = "9"
    & skf18("4","10","10","10","6","5","1") = "9"
    & skf18("4","10","10","10","6","6","1") = "9"
    & skf18("4","10","10","10","6","7","1") = "9"
    & skf18("4","10","10","10","6","8","1") = "9"
    & skf18("4","10","10","10","6","9","1") = "9"
    & skf18("4","10","10","10","6","10","1") = "9"
    & skf18("4","10","10","10","7","1","1") = "9"
    & skf18("4","10","10","10","7","2","1") = "9"
    & skf18("4","10","10","10","7","3","1") = "9"
    & skf18("4","10","10","10","7","4","1") = "9"
    & skf18("4","10","10","10","7","5","1") = "9"
    & skf18("4","10","10","10","7","6","1") = "9"
    & skf18("4","10","10","10","7","7","1") = "9"
    & skf18("4","10","10","10","7","8","1") = "9"
    & skf18("4","10","10","10","7","9","1") = "9"
    & skf18("4","10","10","10","7","10","1") = "9"
    & skf18("4","10","10","10","8","1","1") = "9"
    & skf18("4","10","10","10","8","2","1") = "9"
    & skf18("4","10","10","10","8","3","1") = "9"
    & skf18("4","10","10","10","8","4","1") = "9"
    & skf18("4","10","10","10","8","5","1") = "9"
    & skf18("4","10","10","10","8","6","1") = "9"
    & skf18("4","10","10","10","8","7","1") = "9"
    & skf18("4","10","10","10","8","8","1") = "9"
    & skf18("4","10","10","10","8","9","1") = "9"
    & skf18("4","10","10","10","8","10","1") = "9"
    & skf18("4","10","10","10","9","1","1") = "9"
    & skf18("4","10","10","10","9","2","1") = "9"
    & skf18("4","10","10","10","9","3","1") = "9"
    & skf18("4","10","10","10","9","4","1") = "9"
    & skf18("4","10","10","10","9","5","1") = "9"
    & skf18("4","10","10","10","9","6","1") = "9"
    & skf18("4","10","10","10","9","7","1") = "9"
    & skf18("4","10","10","10","9","8","1") = "9"
    & skf18("4","10","10","10","9","9","1") = "9"
    & skf18("4","10","10","10","9","10","1") = "9"
    & skf18("4","10","10","10","10","1","1") = "9"
    & skf18("4","10","10","10","10","2","1") = "9"
    & skf18("4","10","10","10","10","3","1") = "9"
    & skf18("4","10","10","10","10","4","1") = "9"
    & skf18("4","10","10","10","10","5","1") = "9"
    & skf18("4","10","10","10","10","6","1") = "9"
    & skf18("4","10","10","10","10","7","1") = "9"
    & skf18("4","10","10","10","10","8","1") = "9"
    & skf18("4","10","10","10","10","9","1") = "9"
    & skf18("4","10","10","10","10","10","1") = "9"
    & skf18("5","1","1","1","1","1","1") = "4"
    & skf18("5","1","1","1","1","2","1") = "4"
    & skf18("5","1","1","1","1","3","1") = "4"
    & skf18("5","1","1","1","1","4","1") = "4"
    & skf18("5","1","1","1","1","5","1") = "4"
    & skf18("5","1","1","1","1","6","1") = "5"
    & skf18("5","1","1","1","1","7","1") = "6"
    & skf18("5","1","1","1","1","8","1") = "7"
    & skf18("5","1","1","1","1","9","1") = "8"
    & skf18("5","1","1","1","1","10","1") = "9"
    & skf18("5","1","1","1","2","1","1") = "4"
    & skf18("5","1","1","1","2","2","1") = "4"
    & skf18("5","1","1","1","2","3","1") = "4"
    & skf18("5","1","1","1","2","4","1") = "4"
    & skf18("5","1","1","1","2","5","1") = "4"
    & skf18("5","1","1","1","2","6","1") = "5"
    & skf18("5","1","1","1","2","7","1") = "6"
    & skf18("5","1","1","1","2","8","1") = "7"
    & skf18("5","1","1","1","2","9","1") = "8"
    & skf18("5","1","1","1","2","10","1") = "9"
    & skf18("5","1","1","1","3","1","1") = "4"
    & skf18("5","1","1","1","3","2","1") = "4"
    & skf18("5","1","1","1","3","3","1") = "4"
    & skf18("5","1","1","1","3","4","1") = "4"
    & skf18("5","1","1","1","3","5","1") = "4"
    & skf18("5","1","1","1","3","6","1") = "5"
    & skf18("5","1","1","1","3","7","1") = "6"
    & skf18("5","1","1","1","3","8","1") = "7"
    & skf18("5","1","1","1","3","9","1") = "8"
    & skf18("5","1","1","1","3","10","1") = "9"
    & skf18("5","1","1","1","4","1","1") = "4"
    & skf18("5","1","1","1","4","2","1") = "4"
    & skf18("5","1","1","1","4","3","1") = "4"
    & skf18("5","1","1","1","4","4","1") = "4"
    & skf18("5","1","1","1","4","5","1") = "4"
    & skf18("5","1","1","1","4","6","1") = "5"
    & skf18("5","1","1","1","4","7","1") = "6"
    & skf18("5","1","1","1","4","8","1") = "7"
    & skf18("5","1","1","1","4","9","1") = "8"
    & skf18("5","1","1","1","4","10","1") = "9"
    & skf18("5","1","1","1","5","1","1") = "4"
    & skf18("5","1","1","1","5","2","1") = "4"
    & skf18("5","1","1","1","5","3","1") = "4"
    & skf18("5","1","1","1","5","4","1") = "4"
    & skf18("5","1","1","1","5","5","1") = "4"
    & skf18("5","1","1","1","5","6","1") = "5"
    & skf18("5","1","1","1","5","7","1") = "6"
    & skf18("5","1","1","1","5","8","1") = "7"
    & skf18("5","1","1","1","5","9","1") = "8"
    & skf18("5","1","1","1","5","10","1") = "9"
    & skf18("5","1","1","1","6","1","1") = "5"
    & skf18("5","1","1","1","6","2","1") = "5"
    & skf18("5","1","1","1","6","3","1") = "5"
    & skf18("5","1","1","1","6","4","1") = "5"
    & skf18("5","1","1","1","6","5","1") = "5"
    & skf18("5","1","1","1","6","6","1") = "5"
    & skf18("5","1","1","1","6","7","1") = "6"
    & skf18("5","1","1","1","6","8","1") = "7"
    & skf18("5","1","1","1","6","9","1") = "8"
    & skf18("5","1","1","1","6","10","1") = "9"
    & skf18("5","1","1","1","7","1","1") = "6"
    & skf18("5","1","1","1","7","2","1") = "6"
    & skf18("5","1","1","1","7","3","1") = "6"
    & skf18("5","1","1","1","7","4","1") = "6"
    & skf18("5","1","1","1","7","5","1") = "6"
    & skf18("5","1","1","1","7","6","1") = "6"
    & skf18("5","1","1","1","7","7","1") = "6"
    & skf18("5","1","1","1","7","8","1") = "7"
    & skf18("5","1","1","1","7","9","1") = "8"
    & skf18("5","1","1","1","7","10","1") = "9"
    & skf18("5","1","1","1","8","1","1") = "7"
    & skf18("5","1","1","1","8","2","1") = "7"
    & skf18("5","1","1","1","8","3","1") = "7"
    & skf18("5","1","1","1","8","4","1") = "7"
    & skf18("5","1","1","1","8","5","1") = "7"
    & skf18("5","1","1","1","8","6","1") = "7"
    & skf18("5","1","1","1","8","7","1") = "7"
    & skf18("5","1","1","1","8","8","1") = "7"
    & skf18("5","1","1","1","8","9","1") = "8"
    & skf18("5","1","1","1","8","10","1") = "9"
    & skf18("5","1","1","1","9","1","1") = "8"
    & skf18("5","1","1","1","9","2","1") = "8"
    & skf18("5","1","1","1","9","3","1") = "8"
    & skf18("5","1","1","1","9","4","1") = "8"
    & skf18("5","1","1","1","9","5","1") = "8"
    & skf18("5","1","1","1","9","6","1") = "8"
    & skf18("5","1","1","1","9","7","1") = "8"
    & skf18("5","1","1","1","9","8","1") = "8"
    & skf18("5","1","1","1","9","9","1") = "8"
    & skf18("5","1","1","1","9","10","1") = "9"
    & skf18("5","1","1","1","10","1","1") = "9"
    & skf18("5","1","1","1","10","2","1") = "9"
    & skf18("5","1","1","1","10","3","1") = "9"
    & skf18("5","1","1","1","10","4","1") = "9"
    & skf18("5","1","1","1","10","5","1") = "9"
    & skf18("5","1","1","1","10","6","1") = "9"
    & skf18("5","1","1","1","10","7","1") = "9"
    & skf18("5","1","1","1","10","8","1") = "9"
    & skf18("5","1","1","1","10","9","1") = "9"
    & skf18("5","1","1","1","10","10","1") = "9"
    & skf18("5","1","1","2","1","1","1") = "4"
    & skf18("5","1","1","2","1","2","1") = "4"
    & skf18("5","1","1","2","1","3","1") = "4"
    & skf18("5","1","1","2","1","4","1") = "4"
    & skf18("5","1","1","2","1","5","1") = "4"
    & skf18("5","1","1","2","1","6","1") = "5"
    & skf18("5","1","1","2","1","7","1") = "6"
    & skf18("5","1","1","2","1","8","1") = "7"
    & skf18("5","1","1","2","1","9","1") = "8"
    & skf18("5","1","1","2","1","10","1") = "9"
    & skf18("5","1","1","2","2","1","1") = "4"
    & skf18("5","1","1","2","2","2","1") = "4"
    & skf18("5","1","1","2","2","3","1") = "4"
    & skf18("5","1","1","2","2","4","1") = "4"
    & skf18("5","1","1","2","2","5","1") = "4"
    & skf18("5","1","1","2","2","6","1") = "5"
    & skf18("5","1","1","2","2","7","1") = "6"
    & skf18("5","1","1","2","2","8","1") = "7"
    & skf18("5","1","1","2","2","9","1") = "8"
    & skf18("5","1","1","2","2","10","1") = "9"
    & skf18("5","1","1","2","3","1","1") = "4"
    & skf18("5","1","1","2","3","2","1") = "4"
    & skf18("5","1","1","2","3","3","1") = "4"
    & skf18("5","1","1","2","3","4","1") = "4"
    & skf18("5","1","1","2","3","5","1") = "4"
    & skf18("5","1","1","2","3","6","1") = "5"
    & skf18("5","1","1","2","3","7","1") = "6"
    & skf18("5","1","1","2","3","8","1") = "7"
    & skf18("5","1","1","2","3","9","1") = "8"
    & skf18("5","1","1","2","3","10","1") = "9"
    & skf18("5","1","1","2","4","1","1") = "4"
    & skf18("5","1","1","2","4","2","1") = "4"
    & skf18("5","1","1","2","4","3","1") = "4"
    & skf18("5","1","1","2","4","4","1") = "4"
    & skf18("5","1","1","2","4","5","1") = "4"
    & skf18("5","1","1","2","4","6","1") = "5"
    & skf18("5","1","1","2","4","7","1") = "6"
    & skf18("5","1","1","2","4","8","1") = "7"
    & skf18("5","1","1","2","4","9","1") = "8"
    & skf18("5","1","1","2","4","10","1") = "9"
    & skf18("5","1","1","2","5","1","1") = "4"
    & skf18("5","1","1","2","5","2","1") = "4"
    & skf18("5","1","1","2","5","3","1") = "4"
    & skf18("5","1","1","2","5","4","1") = "4"
    & skf18("5","1","1","2","5","5","1") = "4"
    & skf18("5","1","1","2","5","6","1") = "5"
    & skf18("5","1","1","2","5","7","1") = "6"
    & skf18("5","1","1","2","5","8","1") = "7"
    & skf18("5","1","1","2","5","9","1") = "8"
    & skf18("5","1","1","2","5","10","1") = "9"
    & skf18("5","1","1","2","6","1","1") = "5"
    & skf18("5","1","1","2","6","2","1") = "5"
    & skf18("5","1","1","2","6","3","1") = "5"
    & skf18("5","1","1","2","6","4","1") = "5"
    & skf18("5","1","1","2","6","5","1") = "5"
    & skf18("5","1","1","2","6","6","1") = "5"
    & skf18("5","1","1","2","6","7","1") = "6"
    & skf18("5","1","1","2","6","8","1") = "7"
    & skf18("5","1","1","2","6","9","1") = "8"
    & skf18("5","1","1","2","6","10","1") = "9"
    & skf18("5","1","1","2","7","1","1") = "6"
    & skf18("5","1","1","2","7","2","1") = "6"
    & skf18("5","1","1","2","7","3","1") = "6"
    & skf18("5","1","1","2","7","4","1") = "6"
    & skf18("5","1","1","2","7","5","1") = "6"
    & skf18("5","1","1","2","7","6","1") = "6"
    & skf18("5","1","1","2","7","7","1") = "6"
    & skf18("5","1","1","2","7","8","1") = "7"
    & skf18("5","1","1","2","7","9","1") = "8"
    & skf18("5","1","1","2","7","10","1") = "9"
    & skf18("5","1","1","2","8","1","1") = "7"
    & skf18("5","1","1","2","8","2","1") = "7"
    & skf18("5","1","1","2","8","3","1") = "7"
    & skf18("5","1","1","2","8","4","1") = "7"
    & skf18("5","1","1","2","8","5","1") = "7"
    & skf18("5","1","1","2","8","6","1") = "7"
    & skf18("5","1","1","2","8","7","1") = "7"
    & skf18("5","1","1","2","8","8","1") = "7"
    & skf18("5","1","1","2","8","9","1") = "8"
    & skf18("5","1","1","2","8","10","1") = "9"
    & skf18("5","1","1","2","9","1","1") = "8"
    & skf18("5","1","1","2","9","2","1") = "8"
    & skf18("5","1","1","2","9","3","1") = "8"
    & skf18("5","1","1","2","9","4","1") = "8"
    & skf18("5","1","1","2","9","5","1") = "8"
    & skf18("5","1","1","2","9","6","1") = "8"
    & skf18("5","1","1","2","9","7","1") = "8"
    & skf18("5","1","1","2","9","8","1") = "8"
    & skf18("5","1","1","2","9","9","1") = "8"
    & skf18("5","1","1","2","9","10","1") = "9"
    & skf18("5","1","1","2","10","1","1") = "9"
    & skf18("5","1","1","2","10","2","1") = "9"
    & skf18("5","1","1","2","10","3","1") = "9"
    & skf18("5","1","1","2","10","4","1") = "9"
    & skf18("5","1","1","2","10","5","1") = "9"
    & skf18("5","1","1","2","10","6","1") = "9"
    & skf18("5","1","1","2","10","7","1") = "9"
    & skf18("5","1","1","2","10","8","1") = "9"
    & skf18("5","1","1","2","10","9","1") = "9"
    & skf18("5","1","1","2","10","10","1") = "9"
    & skf18("5","1","1","3","1","1","1") = "4"
    & skf18("5","1","1","3","1","2","1") = "4"
    & skf18("5","1","1","3","1","3","1") = "4"
    & skf18("5","1","1","3","1","4","1") = "4"
    & skf18("5","1","1","3","1","5","1") = "4"
    & skf18("5","1","1","3","1","6","1") = "5"
    & skf18("5","1","1","3","1","7","1") = "6"
    & skf18("5","1","1","3","1","8","1") = "7"
    & skf18("5","1","1","3","1","9","1") = "8"
    & skf18("5","1","1","3","1","10","1") = "9"
    & skf18("5","1","1","3","2","1","1") = "4"
    & skf18("5","1","1","3","2","2","1") = "4"
    & skf18("5","1","1","3","2","3","1") = "4"
    & skf18("5","1","1","3","2","4","1") = "4"
    & skf18("5","1","1","3","2","5","1") = "4"
    & skf18("5","1","1","3","2","6","1") = "5"
    & skf18("5","1","1","3","2","7","1") = "6"
    & skf18("5","1","1","3","2","8","1") = "7"
    & skf18("5","1","1","3","2","9","1") = "8"
    & skf18("5","1","1","3","2","10","1") = "9"
    & skf18("5","1","1","3","3","1","1") = "4"
    & skf18("5","1","1","3","3","2","1") = "4"
    & skf18("5","1","1","3","3","3","1") = "4"
    & skf18("5","1","1","3","3","4","1") = "4"
    & skf18("5","1","1","3","3","5","1") = "4"
    & skf18("5","1","1","3","3","6","1") = "5"
    & skf18("5","1","1","3","3","7","1") = "6"
    & skf18("5","1","1","3","3","8","1") = "7"
    & skf18("5","1","1","3","3","9","1") = "8"
    & skf18("5","1","1","3","3","10","1") = "9"
    & skf18("5","1","1","3","4","1","1") = "4"
    & skf18("5","1","1","3","4","2","1") = "4"
    & skf18("5","1","1","3","4","3","1") = "4"
    & skf18("5","1","1","3","4","4","1") = "4"
    & skf18("5","1","1","3","4","5","1") = "4"
    & skf18("5","1","1","3","4","6","1") = "5"
    & skf18("5","1","1","3","4","7","1") = "6"
    & skf18("5","1","1","3","4","8","1") = "7"
    & skf18("5","1","1","3","4","9","1") = "8"
    & skf18("5","1","1","3","4","10","1") = "9"
    & skf18("5","1","1","3","5","1","1") = "4"
    & skf18("5","1","1","3","5","2","1") = "4"
    & skf18("5","1","1","3","5","3","1") = "4"
    & skf18("5","1","1","3","5","4","1") = "4"
    & skf18("5","1","1","3","5","5","1") = "4"
    & skf18("5","1","1","3","5","6","1") = "5"
    & skf18("5","1","1","3","5","7","1") = "6"
    & skf18("5","1","1","3","5","8","1") = "7"
    & skf18("5","1","1","3","5","9","1") = "8"
    & skf18("5","1","1","3","5","10","1") = "9"
    & skf18("5","1","1","3","6","1","1") = "5"
    & skf18("5","1","1","3","6","2","1") = "5"
    & skf18("5","1","1","3","6","3","1") = "5"
    & skf18("5","1","1","3","6","4","1") = "5"
    & skf18("5","1","1","3","6","5","1") = "5"
    & skf18("5","1","1","3","6","6","1") = "5"
    & skf18("5","1","1","3","6","7","1") = "6"
    & skf18("5","1","1","3","6","8","1") = "7"
    & skf18("5","1","1","3","6","9","1") = "8"
    & skf18("5","1","1","3","6","10","1") = "9"
    & skf18("5","1","1","3","7","1","1") = "6"
    & skf18("5","1","1","3","7","2","1") = "6"
    & skf18("5","1","1","3","7","3","1") = "6"
    & skf18("5","1","1","3","7","4","1") = "6"
    & skf18("5","1","1","3","7","5","1") = "6"
    & skf18("5","1","1","3","7","6","1") = "6"
    & skf18("5","1","1","3","7","7","1") = "6"
    & skf18("5","1","1","3","7","8","1") = "7"
    & skf18("5","1","1","3","7","9","1") = "8"
    & skf18("5","1","1","3","7","10","1") = "9"
    & skf18("5","1","1","3","8","1","1") = "7"
    & skf18("5","1","1","3","8","2","1") = "7"
    & skf18("5","1","1","3","8","3","1") = "7"
    & skf18("5","1","1","3","8","4","1") = "7"
    & skf18("5","1","1","3","8","5","1") = "7"
    & skf18("5","1","1","3","8","6","1") = "7"
    & skf18("5","1","1","3","8","7","1") = "7"
    & skf18("5","1","1","3","8","8","1") = "7"
    & skf18("5","1","1","3","8","9","1") = "8"
    & skf18("5","1","1","3","8","10","1") = "9"
    & skf18("5","1","1","3","9","1","1") = "8"
    & skf18("5","1","1","3","9","2","1") = "8"
    & skf18("5","1","1","3","9","3","1") = "8"
    & skf18("5","1","1","3","9","4","1") = "8"
    & skf18("5","1","1","3","9","5","1") = "8"
    & skf18("5","1","1","3","9","6","1") = "8"
    & skf18("5","1","1","3","9","7","1") = "8"
    & skf18("5","1","1","3","9","8","1") = "8"
    & skf18("5","1","1","3","9","9","1") = "8"
    & skf18("5","1","1","3","9","10","1") = "9"
    & skf18("5","1","1","3","10","1","1") = "9"
    & skf18("5","1","1","3","10","2","1") = "9"
    & skf18("5","1","1","3","10","3","1") = "9"
    & skf18("5","1","1","3","10","4","1") = "9"
    & skf18("5","1","1","3","10","5","1") = "9"
    & skf18("5","1","1","3","10","6","1") = "9"
    & skf18("5","1","1","3","10","7","1") = "9"
    & skf18("5","1","1","3","10","8","1") = "9"
    & skf18("5","1","1","3","10","9","1") = "9"
    & skf18("5","1","1","3","10","10","1") = "9"
    & skf18("5","1","1","4","1","1","1") = "4"
    & skf18("5","1","1","4","1","2","1") = "4"
    & skf18("5","1","1","4","1","3","1") = "4"
    & skf18("5","1","1","4","1","4","1") = "4"
    & skf18("5","1","1","4","1","5","1") = "4"
    & skf18("5","1","1","4","1","6","1") = "5"
    & skf18("5","1","1","4","1","7","1") = "6"
    & skf18("5","1","1","4","1","8","1") = "7"
    & skf18("5","1","1","4","1","9","1") = "8"
    & skf18("5","1","1","4","1","10","1") = "9"
    & skf18("5","1","1","4","2","1","1") = "4"
    & skf18("5","1","1","4","2","2","1") = "4"
    & skf18("5","1","1","4","2","3","1") = "4"
    & skf18("5","1","1","4","2","4","1") = "4"
    & skf18("5","1","1","4","2","5","1") = "4"
    & skf18("5","1","1","4","2","6","1") = "5"
    & skf18("5","1","1","4","2","7","1") = "6"
    & skf18("5","1","1","4","2","8","1") = "7"
    & skf18("5","1","1","4","2","9","1") = "8"
    & skf18("5","1","1","4","2","10","1") = "9"
    & skf18("5","1","1","4","3","1","1") = "4"
    & skf18("5","1","1","4","3","2","1") = "4"
    & skf18("5","1","1","4","3","3","1") = "4"
    & skf18("5","1","1","4","3","4","1") = "4"
    & skf18("5","1","1","4","3","5","1") = "4"
    & skf18("5","1","1","4","3","6","1") = "5"
    & skf18("5","1","1","4","3","7","1") = "6"
    & skf18("5","1","1","4","3","8","1") = "7"
    & skf18("5","1","1","4","3","9","1") = "8"
    & skf18("5","1","1","4","3","10","1") = "9"
    & skf18("5","1","1","4","4","1","1") = "4"
    & skf18("5","1","1","4","4","2","1") = "4"
    & skf18("5","1","1","4","4","3","1") = "4"
    & skf18("5","1","1","4","4","4","1") = "4"
    & skf18("5","1","1","4","4","5","1") = "4"
    & skf18("5","1","1","4","4","6","1") = "5"
    & skf18("5","1","1","4","4","7","1") = "6"
    & skf18("5","1","1","4","4","8","1") = "7"
    & skf18("5","1","1","4","4","9","1") = "8"
    & skf18("5","1","1","4","4","10","1") = "9"
    & skf18("5","1","1","4","5","1","1") = "4"
    & skf18("5","1","1","4","5","2","1") = "4"
    & skf18("5","1","1","4","5","3","1") = "4"
    & skf18("5","1","1","4","5","4","1") = "4"
    & skf18("5","1","1","4","5","5","1") = "4"
    & skf18("5","1","1","4","5","6","1") = "5"
    & skf18("5","1","1","4","5","7","1") = "6"
    & skf18("5","1","1","4","5","8","1") = "7"
    & skf18("5","1","1","4","5","9","1") = "8"
    & skf18("5","1","1","4","5","10","1") = "9"
    & skf18("5","1","1","4","6","1","1") = "5"
    & skf18("5","1","1","4","6","2","1") = "5"
    & skf18("5","1","1","4","6","3","1") = "5"
    & skf18("5","1","1","4","6","4","1") = "5"
    & skf18("5","1","1","4","6","5","1") = "5"
    & skf18("5","1","1","4","6","6","1") = "5"
    & skf18("5","1","1","4","6","7","1") = "6"
    & skf18("5","1","1","4","6","8","1") = "7"
    & skf18("5","1","1","4","6","9","1") = "8"
    & skf18("5","1","1","4","6","10","1") = "9"
    & skf18("5","1","1","4","7","1","1") = "6"
    & skf18("5","1","1","4","7","2","1") = "6"
    & skf18("5","1","1","4","7","3","1") = "6"
    & skf18("5","1","1","4","7","4","1") = "6"
    & skf18("5","1","1","4","7","5","1") = "6"
    & skf18("5","1","1","4","7","6","1") = "6"
    & skf18("5","1","1","4","7","7","1") = "6"
    & skf18("5","1","1","4","7","8","1") = "7"
    & skf18("5","1","1","4","7","9","1") = "8"
    & skf18("5","1","1","4","7","10","1") = "9"
    & skf18("5","1","1","4","8","1","1") = "7"
    & skf18("5","1","1","4","8","2","1") = "7"
    & skf18("5","1","1","4","8","3","1") = "7"
    & skf18("5","1","1","4","8","4","1") = "7"
    & skf18("5","1","1","4","8","5","1") = "7"
    & skf18("5","1","1","4","8","6","1") = "7"
    & skf18("5","1","1","4","8","7","1") = "7"
    & skf18("5","1","1","4","8","8","1") = "7"
    & skf18("5","1","1","4","8","9","1") = "8"
    & skf18("5","1","1","4","8","10","1") = "9"
    & skf18("5","1","1","4","9","1","1") = "8"
    & skf18("5","1","1","4","9","2","1") = "8"
    & skf18("5","1","1","4","9","3","1") = "8"
    & skf18("5","1","1","4","9","4","1") = "8"
    & skf18("5","1","1","4","9","5","1") = "8"
    & skf18("5","1","1","4","9","6","1") = "8"
    & skf18("5","1","1","4","9","7","1") = "8"
    & skf18("5","1","1","4","9","8","1") = "8"
    & skf18("5","1","1","4","9","9","1") = "8"
    & skf18("5","1","1","4","9","10","1") = "9"
    & skf18("5","1","1","4","10","1","1") = "9"
    & skf18("5","1","1","4","10","2","1") = "9"
    & skf18("5","1","1","4","10","3","1") = "9"
    & skf18("5","1","1","4","10","4","1") = "9"
    & skf18("5","1","1","4","10","5","1") = "9"
    & skf18("5","1","1","4","10","6","1") = "9"
    & skf18("5","1","1","4","10","7","1") = "9"
    & skf18("5","1","1","4","10","8","1") = "9"
    & skf18("5","1","1","4","10","9","1") = "9"
    & skf18("5","1","1","4","10","10","1") = "9"
    & skf18("5","1","1","5","1","1","1") = "4"
    & skf18("5","1","1","5","1","2","1") = "4"
    & skf18("5","1","1","5","1","3","1") = "4"
    & skf18("5","1","1","5","1","4","1") = "4"
    & skf18("5","1","1","5","1","5","1") = "4"
    & skf18("5","1","1","5","1","6","1") = "5"
    & skf18("5","1","1","5","1","7","1") = "6"
    & skf18("5","1","1","5","1","8","1") = "7"
    & skf18("5","1","1","5","1","9","1") = "8"
    & skf18("5","1","1","5","1","10","1") = "9"
    & skf18("5","1","1","5","2","1","1") = "4"
    & skf18("5","1","1","5","2","2","1") = "4"
    & skf18("5","1","1","5","2","3","1") = "4"
    & skf18("5","1","1","5","2","4","1") = "4"
    & skf18("5","1","1","5","2","5","1") = "4"
    & skf18("5","1","1","5","2","6","1") = "5"
    & skf18("5","1","1","5","2","7","1") = "6"
    & skf18("5","1","1","5","2","8","1") = "7"
    & skf18("5","1","1","5","2","9","1") = "8"
    & skf18("5","1","1","5","2","10","1") = "9"
    & skf18("5","1","1","5","3","1","1") = "4"
    & skf18("5","1","1","5","3","2","1") = "4"
    & skf18("5","1","1","5","3","3","1") = "4"
    & skf18("5","1","1","5","3","4","1") = "4"
    & skf18("5","1","1","5","3","5","1") = "4"
    & skf18("5","1","1","5","3","6","1") = "5"
    & skf18("5","1","1","5","3","7","1") = "6"
    & skf18("5","1","1","5","3","8","1") = "7"
    & skf18("5","1","1","5","3","9","1") = "8"
    & skf18("5","1","1","5","3","10","1") = "9"
    & skf18("5","1","1","5","4","1","1") = "4"
    & skf18("5","1","1","5","4","2","1") = "4"
    & skf18("5","1","1","5","4","3","1") = "4"
    & skf18("5","1","1","5","4","4","1") = "4"
    & skf18("5","1","1","5","4","5","1") = "4"
    & skf18("5","1","1","5","4","6","1") = "5"
    & skf18("5","1","1","5","4","7","1") = "6"
    & skf18("5","1","1","5","4","8","1") = "7"
    & skf18("5","1","1","5","4","9","1") = "8"
    & skf18("5","1","1","5","4","10","1") = "9"
    & skf18("5","1","1","5","5","1","1") = "4"
    & skf18("5","1","1","5","5","2","1") = "4"
    & skf18("5","1","1","5","5","3","1") = "4"
    & skf18("5","1","1","5","5","4","1") = "4"
    & skf18("5","1","1","5","5","5","1") = "4"
    & skf18("5","1","1","5","5","6","1") = "5"
    & skf18("5","1","1","5","5","7","1") = "6"
    & skf18("5","1","1","5","5","8","1") = "7"
    & skf18("5","1","1","5","5","9","1") = "8"
    & skf18("5","1","1","5","5","10","1") = "9"
    & skf18("5","1","1","5","6","1","1") = "5"
    & skf18("5","1","1","5","6","2","1") = "5"
    & skf18("5","1","1","5","6","3","1") = "5"
    & skf18("5","1","1","5","6","4","1") = "5"
    & skf18("5","1","1","5","6","5","1") = "5"
    & skf18("5","1","1","5","6","6","1") = "5"
    & skf18("5","1","1","5","6","7","1") = "6"
    & skf18("5","1","1","5","6","8","1") = "7"
    & skf18("5","1","1","5","6","9","1") = "8"
    & skf18("5","1","1","5","6","10","1") = "9"
    & skf18("5","1","1","5","7","1","1") = "6"
    & skf18("5","1","1","5","7","2","1") = "6"
    & skf18("5","1","1","5","7","3","1") = "6"
    & skf18("5","1","1","5","7","4","1") = "6"
    & skf18("5","1","1","5","7","5","1") = "6"
    & skf18("5","1","1","5","7","6","1") = "6"
    & skf18("5","1","1","5","7","7","1") = "6"
    & skf18("5","1","1","5","7","8","1") = "7"
    & skf18("5","1","1","5","7","9","1") = "8"
    & skf18("5","1","1","5","7","10","1") = "9"
    & skf18("5","1","1","5","8","1","1") = "7"
    & skf18("5","1","1","5","8","2","1") = "7"
    & skf18("5","1","1","5","8","3","1") = "7"
    & skf18("5","1","1","5","8","4","1") = "7"
    & skf18("5","1","1","5","8","5","1") = "7"
    & skf18("5","1","1","5","8","6","1") = "7"
    & skf18("5","1","1","5","8","7","1") = "7"
    & skf18("5","1","1","5","8","8","1") = "7"
    & skf18("5","1","1","5","8","9","1") = "8"
    & skf18("5","1","1","5","8","10","1") = "9"
    & skf18("5","1","1","5","9","1","1") = "8"
    & skf18("5","1","1","5","9","2","1") = "8"
    & skf18("5","1","1","5","9","3","1") = "8"
    & skf18("5","1","1","5","9","4","1") = "8"
    & skf18("5","1","1","5","9","5","1") = "8"
    & skf18("5","1","1","5","9","6","1") = "8"
    & skf18("5","1","1","5","9","7","1") = "8"
    & skf18("5","1","1","5","9","8","1") = "8"
    & skf18("5","1","1","5","9","9","1") = "8"
    & skf18("5","1","1","5","9","10","1") = "9"
    & skf18("5","1","1","5","10","1","1") = "9"
    & skf18("5","1","1","5","10","2","1") = "9"
    & skf18("5","1","1","5","10","3","1") = "9"
    & skf18("5","1","1","5","10","4","1") = "9"
    & skf18("5","1","1","5","10","5","1") = "9"
    & skf18("5","1","1","5","10","6","1") = "9"
    & skf18("5","1","1","5","10","7","1") = "9"
    & skf18("5","1","1","5","10","8","1") = "9"
    & skf18("5","1","1","5","10","9","1") = "9"
    & skf18("5","1","1","5","10","10","1") = "9"
    & skf18("5","1","1","6","1","1","1") = "5"
    & skf18("5","1","1","6","1","2","1") = "5"
    & skf18("5","1","1","6","1","3","1") = "5"
    & skf18("5","1","1","6","1","4","1") = "5"
    & skf18("5","1","1","6","1","5","1") = "5"
    & skf18("5","1","1","6","1","6","1") = "5"
    & skf18("5","1","1","6","1","7","1") = "6"
    & skf18("5","1","1","6","1","8","1") = "7"
    & skf18("5","1","1","6","1","9","1") = "8"
    & skf18("5","1","1","6","1","10","1") = "9"
    & skf18("5","1","1","6","2","1","1") = "5"
    & skf18("5","1","1","6","2","2","1") = "5"
    & skf18("5","1","1","6","2","3","1") = "5"
    & skf18("5","1","1","6","2","4","1") = "5"
    & skf18("5","1","1","6","2","5","1") = "5"
    & skf18("5","1","1","6","2","6","1") = "5"
    & skf18("5","1","1","6","2","7","1") = "6"
    & skf18("5","1","1","6","2","8","1") = "7"
    & skf18("5","1","1","6","2","9","1") = "8"
    & skf18("5","1","1","6","2","10","1") = "9"
    & skf18("5","1","1","6","3","1","1") = "5"
    & skf18("5","1","1","6","3","2","1") = "5"
    & skf18("5","1","1","6","3","3","1") = "5"
    & skf18("5","1","1","6","3","4","1") = "5"
    & skf18("5","1","1","6","3","5","1") = "5"
    & skf18("5","1","1","6","3","6","1") = "5"
    & skf18("5","1","1","6","3","7","1") = "6"
    & skf18("5","1","1","6","3","8","1") = "7"
    & skf18("5","1","1","6","3","9","1") = "8"
    & skf18("5","1","1","6","3","10","1") = "9"
    & skf18("5","1","1","6","4","1","1") = "5"
    & skf18("5","1","1","6","4","2","1") = "5"
    & skf18("5","1","1","6","4","3","1") = "5"
    & skf18("5","1","1","6","4","4","1") = "5"
    & skf18("5","1","1","6","4","5","1") = "5"
    & skf18("5","1","1","6","4","6","1") = "5"
    & skf18("5","1","1","6","4","7","1") = "6"
    & skf18("5","1","1","6","4","8","1") = "7"
    & skf18("5","1","1","6","4","9","1") = "8"
    & skf18("5","1","1","6","4","10","1") = "9"
    & skf18("5","1","1","6","5","1","1") = "5"
    & skf18("5","1","1","6","5","2","1") = "5"
    & skf18("5","1","1","6","5","3","1") = "5"
    & skf18("5","1","1","6","5","4","1") = "5"
    & skf18("5","1","1","6","5","5","1") = "5"
    & skf18("5","1","1","6","5","6","1") = "5"
    & skf18("5","1","1","6","5","7","1") = "6"
    & skf18("5","1","1","6","5","8","1") = "7"
    & skf18("5","1","1","6","5","9","1") = "8"
    & skf18("5","1","1","6","5","10","1") = "9"
    & skf18("5","1","1","6","6","1","1") = "5"
    & skf18("5","1","1","6","6","2","1") = "5"
    & skf18("5","1","1","6","6","3","1") = "5"
    & skf18("5","1","1","6","6","4","1") = "5"
    & skf18("5","1","1","6","6","5","1") = "5"
    & skf18("5","1","1","6","6","6","1") = "5"
    & skf18("5","1","1","6","6","7","1") = "6"
    & skf18("5","1","1","6","6","8","1") = "7"
    & skf18("5","1","1","6","6","9","1") = "8"
    & skf18("5","1","1","6","6","10","1") = "9"
    & skf18("5","1","1","6","7","1","1") = "6"
    & skf18("5","1","1","6","7","2","1") = "6"
    & skf18("5","1","1","6","7","3","1") = "6"
    & skf18("5","1","1","6","7","4","1") = "6"
    & skf18("5","1","1","6","7","5","1") = "6"
    & skf18("5","1","1","6","7","6","1") = "6"
    & skf18("5","1","1","6","7","7","1") = "6"
    & skf18("5","1","1","6","7","8","1") = "7"
    & skf18("5","1","1","6","7","9","1") = "8"
    & skf18("5","1","1","6","7","10","1") = "9"
    & skf18("5","1","1","6","8","1","1") = "7"
    & skf18("5","1","1","6","8","2","1") = "7"
    & skf18("5","1","1","6","8","3","1") = "7"
    & skf18("5","1","1","6","8","4","1") = "7"
    & skf18("5","1","1","6","8","5","1") = "7"
    & skf18("5","1","1","6","8","6","1") = "7"
    & skf18("5","1","1","6","8","7","1") = "7"
    & skf18("5","1","1","6","8","8","1") = "7"
    & skf18("5","1","1","6","8","9","1") = "8"
    & skf18("5","1","1","6","8","10","1") = "9"
    & skf18("5","1","1","6","9","1","1") = "8"
    & skf18("5","1","1","6","9","2","1") = "8"
    & skf18("5","1","1","6","9","3","1") = "8"
    & skf18("5","1","1","6","9","4","1") = "8"
    & skf18("5","1","1","6","9","5","1") = "8"
    & skf18("5","1","1","6","9","6","1") = "8"
    & skf18("5","1","1","6","9","7","1") = "8"
    & skf18("5","1","1","6","9","8","1") = "8"
    & skf18("5","1","1","6","9","9","1") = "8"
    & skf18("5","1","1","6","9","10","1") = "9"
    & skf18("5","1","1","6","10","1","1") = "9"
    & skf18("5","1","1","6","10","2","1") = "9"
    & skf18("5","1","1","6","10","3","1") = "9"
    & skf18("5","1","1","6","10","4","1") = "9"
    & skf18("5","1","1","6","10","5","1") = "9"
    & skf18("5","1","1","6","10","6","1") = "9"
    & skf18("5","1","1","6","10","7","1") = "9"
    & skf18("5","1","1","6","10","8","1") = "9"
    & skf18("5","1","1","6","10","9","1") = "9"
    & skf18("5","1","1","6","10","10","1") = "9"
    & skf18("5","1","1","7","1","1","1") = "6"
    & skf18("5","1","1","7","1","2","1") = "6"
    & skf18("5","1","1","7","1","3","1") = "6"
    & skf18("5","1","1","7","1","4","1") = "6"
    & skf18("5","1","1","7","1","5","1") = "6"
    & skf18("5","1","1","7","1","6","1") = "6"
    & skf18("5","1","1","7","1","7","1") = "6"
    & skf18("5","1","1","7","1","8","1") = "7"
    & skf18("5","1","1","7","1","9","1") = "8"
    & skf18("5","1","1","7","1","10","1") = "9"
    & skf18("5","1","1","7","2","1","1") = "6"
    & skf18("5","1","1","7","2","2","1") = "6"
    & skf18("5","1","1","7","2","3","1") = "6"
    & skf18("5","1","1","7","2","4","1") = "6"
    & skf18("5","1","1","7","2","5","1") = "6"
    & skf18("5","1","1","7","2","6","1") = "6"
    & skf18("5","1","1","7","2","7","1") = "6"
    & skf18("5","1","1","7","2","8","1") = "7"
    & skf18("5","1","1","7","2","9","1") = "8"
    & skf18("5","1","1","7","2","10","1") = "9"
    & skf18("5","1","1","7","3","1","1") = "6"
    & skf18("5","1","1","7","3","2","1") = "6"
    & skf18("5","1","1","7","3","3","1") = "6"
    & skf18("5","1","1","7","3","4","1") = "6"
    & skf18("5","1","1","7","3","5","1") = "6"
    & skf18("5","1","1","7","3","6","1") = "6"
    & skf18("5","1","1","7","3","7","1") = "6"
    & skf18("5","1","1","7","3","8","1") = "7"
    & skf18("5","1","1","7","3","9","1") = "8"
    & skf18("5","1","1","7","3","10","1") = "9"
    & skf18("5","1","1","7","4","1","1") = "6"
    & skf18("5","1","1","7","4","2","1") = "6"
    & skf18("5","1","1","7","4","3","1") = "6"
    & skf18("5","1","1","7","4","4","1") = "6"
    & skf18("5","1","1","7","4","5","1") = "6"
    & skf18("5","1","1","7","4","6","1") = "6"
    & skf18("5","1","1","7","4","7","1") = "6"
    & skf18("5","1","1","7","4","8","1") = "7"
    & skf18("5","1","1","7","4","9","1") = "8"
    & skf18("5","1","1","7","4","10","1") = "9"
    & skf18("5","1","1","7","5","1","1") = "6"
    & skf18("5","1","1","7","5","2","1") = "6"
    & skf18("5","1","1","7","5","3","1") = "6"
    & skf18("5","1","1","7","5","4","1") = "6"
    & skf18("5","1","1","7","5","5","1") = "6"
    & skf18("5","1","1","7","5","6","1") = "6"
    & skf18("5","1","1","7","5","7","1") = "6"
    & skf18("5","1","1","7","5","8","1") = "7"
    & skf18("5","1","1","7","5","9","1") = "8"
    & skf18("5","1","1","7","5","10","1") = "9"
    & skf18("5","1","1","7","6","1","1") = "6"
    & skf18("5","1","1","7","6","2","1") = "6"
    & skf18("5","1","1","7","6","3","1") = "6"
    & skf18("5","1","1","7","6","4","1") = "6"
    & skf18("5","1","1","7","6","5","1") = "6"
    & skf18("5","1","1","7","6","6","1") = "6"
    & skf18("5","1","1","7","6","7","1") = "6"
    & skf18("5","1","1","7","6","8","1") = "7"
    & skf18("5","1","1","7","6","9","1") = "8"
    & skf18("5","1","1","7","6","10","1") = "9"
    & skf18("5","1","1","7","7","1","1") = "6"
    & skf18("5","1","1","7","7","2","1") = "6"
    & skf18("5","1","1","7","7","3","1") = "6"
    & skf18("5","1","1","7","7","4","1") = "6"
    & skf18("5","1","1","7","7","5","1") = "6"
    & skf18("5","1","1","7","7","6","1") = "6"
    & skf18("5","1","1","7","7","7","1") = "6"
    & skf18("5","1","1","7","7","8","1") = "7"
    & skf18("5","1","1","7","7","9","1") = "8"
    & skf18("5","1","1","7","7","10","1") = "9"
    & skf18("5","1","1","7","8","1","1") = "7"
    & skf18("5","1","1","7","8","2","1") = "7"
    & skf18("5","1","1","7","8","3","1") = "7"
    & skf18("5","1","1","7","8","4","1") = "7"
    & skf18("5","1","1","7","8","5","1") = "7"
    & skf18("5","1","1","7","8","6","1") = "7"
    & skf18("5","1","1","7","8","7","1") = "7"
    & skf18("5","1","1","7","8","8","1") = "7"
    & skf18("5","1","1","7","8","9","1") = "8"
    & skf18("5","1","1","7","8","10","1") = "9"
    & skf18("5","1","1","7","9","1","1") = "8"
    & skf18("5","1","1","7","9","2","1") = "8"
    & skf18("5","1","1","7","9","3","1") = "8"
    & skf18("5","1","1","7","9","4","1") = "8"
    & skf18("5","1","1","7","9","5","1") = "8"
    & skf18("5","1","1","7","9","6","1") = "8"
    & skf18("5","1","1","7","9","7","1") = "8"
    & skf18("5","1","1","7","9","8","1") = "8"
    & skf18("5","1","1","7","9","9","1") = "8"
    & skf18("5","1","1","7","9","10","1") = "9"
    & skf18("5","1","1","7","10","1","1") = "9"
    & skf18("5","1","1","7","10","2","1") = "9"
    & skf18("5","1","1","7","10","3","1") = "9"
    & skf18("5","1","1","7","10","4","1") = "9"
    & skf18("5","1","1","7","10","5","1") = "9"
    & skf18("5","1","1","7","10","6","1") = "9"
    & skf18("5","1","1","7","10","7","1") = "9"
    & skf18("5","1","1","7","10","8","1") = "9"
    & skf18("5","1","1","7","10","9","1") = "9"
    & skf18("5","1","1","7","10","10","1") = "9"
    & skf18("5","1","1","8","1","1","1") = "7"
    & skf18("5","1","1","8","1","2","1") = "7"
    & skf18("5","1","1","8","1","3","1") = "7"
    & skf18("5","1","1","8","1","4","1") = "7"
    & skf18("5","1","1","8","1","5","1") = "7"
    & skf18("5","1","1","8","1","6","1") = "7"
    & skf18("5","1","1","8","1","7","1") = "7"
    & skf18("5","1","1","8","1","8","1") = "7"
    & skf18("5","1","1","8","1","9","1") = "8"
    & skf18("5","1","1","8","1","10","1") = "9"
    & skf18("5","1","1","8","2","1","1") = "7"
    & skf18("5","1","1","8","2","2","1") = "7"
    & skf18("5","1","1","8","2","3","1") = "7"
    & skf18("5","1","1","8","2","4","1") = "7"
    & skf18("5","1","1","8","2","5","1") = "7"
    & skf18("5","1","1","8","2","6","1") = "7"
    & skf18("5","1","1","8","2","7","1") = "7"
    & skf18("5","1","1","8","2","8","1") = "7"
    & skf18("5","1","1","8","2","9","1") = "8"
    & skf18("5","1","1","8","2","10","1") = "9"
    & skf18("5","1","1","8","3","1","1") = "7"
    & skf18("5","1","1","8","3","2","1") = "7"
    & skf18("5","1","1","8","3","3","1") = "7"
    & skf18("5","1","1","8","3","4","1") = "7"
    & skf18("5","1","1","8","3","5","1") = "7"
    & skf18("5","1","1","8","3","6","1") = "7"
    & skf18("5","1","1","8","3","7","1") = "7"
    & skf18("5","1","1","8","3","8","1") = "7"
    & skf18("5","1","1","8","3","9","1") = "8"
    & skf18("5","1","1","8","3","10","1") = "9"
    & skf18("5","1","1","8","4","1","1") = "7"
    & skf18("5","1","1","8","4","2","1") = "7"
    & skf18("5","1","1","8","4","3","1") = "7"
    & skf18("5","1","1","8","4","4","1") = "7"
    & skf18("5","1","1","8","4","5","1") = "7"
    & skf18("5","1","1","8","4","6","1") = "7"
    & skf18("5","1","1","8","4","7","1") = "7"
    & skf18("5","1","1","8","4","8","1") = "7"
    & skf18("5","1","1","8","4","9","1") = "8"
    & skf18("5","1","1","8","4","10","1") = "9"
    & skf18("5","1","1","8","5","1","1") = "7"
    & skf18("5","1","1","8","5","2","1") = "7"
    & skf18("5","1","1","8","5","3","1") = "7"
    & skf18("5","1","1","8","5","4","1") = "7"
    & skf18("5","1","1","8","5","5","1") = "7"
    & skf18("5","1","1","8","5","6","1") = "7"
    & skf18("5","1","1","8","5","7","1") = "7"
    & skf18("5","1","1","8","5","8","1") = "7"
    & skf18("5","1","1","8","5","9","1") = "8"
    & skf18("5","1","1","8","5","10","1") = "9"
    & skf18("5","1","1","8","6","1","1") = "7"
    & skf18("5","1","1","8","6","2","1") = "7"
    & skf18("5","1","1","8","6","3","1") = "7"
    & skf18("5","1","1","8","6","4","1") = "7"
    & skf18("5","1","1","8","6","5","1") = "7"
    & skf18("5","1","1","8","6","6","1") = "7"
    & skf18("5","1","1","8","6","7","1") = "7"
    & skf18("5","1","1","8","6","8","1") = "7"
    & skf18("5","1","1","8","6","9","1") = "8"
    & skf18("5","1","1","8","6","10","1") = "9"
    & skf18("5","1","1","8","7","1","1") = "7"
    & skf18("5","1","1","8","7","2","1") = "7"
    & skf18("5","1","1","8","7","3","1") = "7"
    & skf18("5","1","1","8","7","4","1") = "7"
    & skf18("5","1","1","8","7","5","1") = "7"
    & skf18("5","1","1","8","7","6","1") = "7"
    & skf18("5","1","1","8","7","7","1") = "7"
    & skf18("5","1","1","8","7","8","1") = "7"
    & skf18("5","1","1","8","7","9","1") = "8"
    & skf18("5","1","1","8","7","10","1") = "9"
    & skf18("5","1","1","8","8","1","1") = "7"
    & skf18("5","1","1","8","8","2","1") = "7"
    & skf18("5","1","1","8","8","3","1") = "7"
    & skf18("5","1","1","8","8","4","1") = "7"
    & skf18("5","1","1","8","8","5","1") = "7"
    & skf18("5","1","1","8","8","6","1") = "7"
    & skf18("5","1","1","8","8","7","1") = "7"
    & skf18("5","1","1","8","8","8","1") = "7"
    & skf18("5","1","1","8","8","9","1") = "8"
    & skf18("5","1","1","8","8","10","1") = "9"
    & skf18("5","1","1","8","9","1","1") = "8"
    & skf18("5","1","1","8","9","2","1") = "8"
    & skf18("5","1","1","8","9","3","1") = "8"
    & skf18("5","1","1","8","9","4","1") = "8"
    & skf18("5","1","1","8","9","5","1") = "8"
    & skf18("5","1","1","8","9","6","1") = "8"
    & skf18("5","1","1","8","9","7","1") = "8"
    & skf18("5","1","1","8","9","8","1") = "8"
    & skf18("5","1","1","8","9","9","1") = "8"
    & skf18("5","1","1","8","9","10","1") = "9"
    & skf18("5","1","1","8","10","1","1") = "9"
    & skf18("5","1","1","8","10","2","1") = "9"
    & skf18("5","1","1","8","10","3","1") = "9"
    & skf18("5","1","1","8","10","4","1") = "9"
    & skf18("5","1","1","8","10","5","1") = "9"
    & skf18("5","1","1","8","10","6","1") = "9"
    & skf18("5","1","1","8","10","7","1") = "9"
    & skf18("5","1","1","8","10","8","1") = "9"
    & skf18("5","1","1","8","10","9","1") = "9"
    & skf18("5","1","1","8","10","10","1") = "9"
    & skf18("5","1","1","9","1","1","1") = "8"
    & skf18("5","1","1","9","1","2","1") = "8"
    & skf18("5","1","1","9","1","3","1") = "8"
    & skf18("5","1","1","9","1","4","1") = "8"
    & skf18("5","1","1","9","1","5","1") = "8"
    & skf18("5","1","1","9","1","6","1") = "8"
    & skf18("5","1","1","9","1","7","1") = "8"
    & skf18("5","1","1","9","1","8","1") = "8"
    & skf18("5","1","1","9","1","9","1") = "8"
    & skf18("5","1","1","9","1","10","1") = "9"
    & skf18("5","1","1","9","2","1","1") = "8"
    & skf18("5","1","1","9","2","2","1") = "8"
    & skf18("5","1","1","9","2","3","1") = "8"
    & skf18("5","1","1","9","2","4","1") = "8"
    & skf18("5","1","1","9","2","5","1") = "8"
    & skf18("5","1","1","9","2","6","1") = "8"
    & skf18("5","1","1","9","2","7","1") = "8"
    & skf18("5","1","1","9","2","8","1") = "8"
    & skf18("5","1","1","9","2","9","1") = "8"
    & skf18("5","1","1","9","2","10","1") = "9"
    & skf18("5","1","1","9","3","1","1") = "8"
    & skf18("5","1","1","9","3","2","1") = "8"
    & skf18("5","1","1","9","3","3","1") = "8"
    & skf18("5","1","1","9","3","4","1") = "8"
    & skf18("5","1","1","9","3","5","1") = "8"
    & skf18("5","1","1","9","3","6","1") = "8"
    & skf18("5","1","1","9","3","7","1") = "8"
    & skf18("5","1","1","9","3","8","1") = "8"
    & skf18("5","1","1","9","3","9","1") = "8"
    & skf18("5","1","1","9","3","10","1") = "9"
    & skf18("5","1","1","9","4","1","1") = "8"
    & skf18("5","1","1","9","4","2","1") = "8"
    & skf18("5","1","1","9","4","3","1") = "8"
    & skf18("5","1","1","9","4","4","1") = "8"
    & skf18("5","1","1","9","4","5","1") = "8"
    & skf18("5","1","1","9","4","6","1") = "8"
    & skf18("5","1","1","9","4","7","1") = "8"
    & skf18("5","1","1","9","4","8","1") = "8"
    & skf18("5","1","1","9","4","9","1") = "8"
    & skf18("5","1","1","9","4","10","1") = "9"
    & skf18("5","1","1","9","5","1","1") = "8"
    & skf18("5","1","1","9","5","2","1") = "8"
    & skf18("5","1","1","9","5","3","1") = "8"
    & skf18("5","1","1","9","5","4","1") = "8"
    & skf18("5","1","1","9","5","5","1") = "8"
    & skf18("5","1","1","9","5","6","1") = "8"
    & skf18("5","1","1","9","5","7","1") = "8"
    & skf18("5","1","1","9","5","8","1") = "8"
    & skf18("5","1","1","9","5","9","1") = "8"
    & skf18("5","1","1","9","5","10","1") = "9"
    & skf18("5","1","1","9","6","1","1") = "8"
    & skf18("5","1","1","9","6","2","1") = "8"
    & skf18("5","1","1","9","6","3","1") = "8"
    & skf18("5","1","1","9","6","4","1") = "8"
    & skf18("5","1","1","9","6","5","1") = "8"
    & skf18("5","1","1","9","6","6","1") = "8"
    & skf18("5","1","1","9","6","7","1") = "8"
    & skf18("5","1","1","9","6","8","1") = "8"
    & skf18("5","1","1","9","6","9","1") = "8"
    & skf18("5","1","1","9","6","10","1") = "9"
    & skf18("5","1","1","9","7","1","1") = "8"
    & skf18("5","1","1","9","7","2","1") = "8"
    & skf18("5","1","1","9","7","3","1") = "8"
    & skf18("5","1","1","9","7","4","1") = "8"
    & skf18("5","1","1","9","7","5","1") = "8"
    & skf18("5","1","1","9","7","6","1") = "8"
    & skf18("5","1","1","9","7","7","1") = "8"
    & skf18("5","1","1","9","7","8","1") = "8"
    & skf18("5","1","1","9","7","9","1") = "8"
    & skf18("5","1","1","9","7","10","1") = "9"
    & skf18("5","1","1","9","8","1","1") = "8"
    & skf18("5","1","1","9","8","2","1") = "8"
    & skf18("5","1","1","9","8","3","1") = "8"
    & skf18("5","1","1","9","8","4","1") = "8"
    & skf18("5","1","1","9","8","5","1") = "8"
    & skf18("5","1","1","9","8","6","1") = "8"
    & skf18("5","1","1","9","8","7","1") = "8"
    & skf18("5","1","1","9","8","8","1") = "8"
    & skf18("5","1","1","9","8","9","1") = "8"
    & skf18("5","1","1","9","8","10","1") = "9"
    & skf18("5","1","1","9","9","1","1") = "8"
    & skf18("5","1","1","9","9","2","1") = "8"
    & skf18("5","1","1","9","9","3","1") = "8"
    & skf18("5","1","1","9","9","4","1") = "8"
    & skf18("5","1","1","9","9","5","1") = "8"
    & skf18("5","1","1","9","9","6","1") = "8"
    & skf18("5","1","1","9","9","7","1") = "8"
    & skf18("5","1","1","9","9","8","1") = "8"
    & skf18("5","1","1","9","9","9","1") = "8"
    & skf18("5","1","1","9","9","10","1") = "9"
    & skf18("5","1","1","9","10","1","1") = "9"
    & skf18("5","1","1","9","10","2","1") = "9"
    & skf18("5","1","1","9","10","3","1") = "9"
    & skf18("5","1","1","9","10","4","1") = "9"
    & skf18("5","1","1","9","10","5","1") = "9"
    & skf18("5","1","1","9","10","6","1") = "9"
    & skf18("5","1","1","9","10","7","1") = "9"
    & skf18("5","1","1","9","10","8","1") = "9"
    & skf18("5","1","1","9","10","9","1") = "9"
    & skf18("5","1","1","9","10","10","1") = "9"
    & skf18("5","1","1","10","1","1","1") = "9"
    & skf18("5","1","1","10","1","2","1") = "9"
    & skf18("5","1","1","10","1","3","1") = "9"
    & skf18("5","1","1","10","1","4","1") = "9"
    & skf18("5","1","1","10","1","5","1") = "9"
    & skf18("5","1","1","10","1","6","1") = "9"
    & skf18("5","1","1","10","1","7","1") = "9"
    & skf18("5","1","1","10","1","8","1") = "9"
    & skf18("5","1","1","10","1","9","1") = "9"
    & skf18("5","1","1","10","1","10","1") = "9"
    & skf18("5","1","1","10","2","1","1") = "9"
    & skf18("5","1","1","10","2","2","1") = "9"
    & skf18("5","1","1","10","2","3","1") = "9"
    & skf18("5","1","1","10","2","4","1") = "9"
    & skf18("5","1","1","10","2","5","1") = "9"
    & skf18("5","1","1","10","2","6","1") = "9"
    & skf18("5","1","1","10","2","7","1") = "9"
    & skf18("5","1","1","10","2","8","1") = "9"
    & skf18("5","1","1","10","2","9","1") = "9"
    & skf18("5","1","1","10","2","10","1") = "9"
    & skf18("5","1","1","10","3","1","1") = "9"
    & skf18("5","1","1","10","3","2","1") = "9"
    & skf18("5","1","1","10","3","3","1") = "9"
    & skf18("5","1","1","10","3","4","1") = "9"
    & skf18("5","1","1","10","3","5","1") = "9"
    & skf18("5","1","1","10","3","6","1") = "9"
    & skf18("5","1","1","10","3","7","1") = "9"
    & skf18("5","1","1","10","3","8","1") = "9"
    & skf18("5","1","1","10","3","9","1") = "9"
    & skf18("5","1","1","10","3","10","1") = "9"
    & skf18("5","1","1","10","4","1","1") = "9"
    & skf18("5","1","1","10","4","2","1") = "9"
    & skf18("5","1","1","10","4","3","1") = "9"
    & skf18("5","1","1","10","4","4","1") = "9"
    & skf18("5","1","1","10","4","5","1") = "9"
    & skf18("5","1","1","10","4","6","1") = "9"
    & skf18("5","1","1","10","4","7","1") = "9"
    & skf18("5","1","1","10","4","8","1") = "9"
    & skf18("5","1","1","10","4","9","1") = "9"
    & skf18("5","1","1","10","4","10","1") = "9"
    & skf18("5","1","1","10","5","1","1") = "9"
    & skf18("5","1","1","10","5","2","1") = "9"
    & skf18("5","1","1","10","5","3","1") = "9"
    & skf18("5","1","1","10","5","4","1") = "9"
    & skf18("5","1","1","10","5","5","1") = "9"
    & skf18("5","1","1","10","5","6","1") = "9"
    & skf18("5","1","1","10","5","7","1") = "9"
    & skf18("5","1","1","10","5","8","1") = "9"
    & skf18("5","1","1","10","5","9","1") = "9"
    & skf18("5","1","1","10","5","10","1") = "9"
    & skf18("5","1","1","10","6","1","1") = "9"
    & skf18("5","1","1","10","6","2","1") = "9"
    & skf18("5","1","1","10","6","3","1") = "9"
    & skf18("5","1","1","10","6","4","1") = "9"
    & skf18("5","1","1","10","6","5","1") = "9"
    & skf18("5","1","1","10","6","6","1") = "9"
    & skf18("5","1","1","10","6","7","1") = "9"
    & skf18("5","1","1","10","6","8","1") = "9"
    & skf18("5","1","1","10","6","9","1") = "9"
    & skf18("5","1","1","10","6","10","1") = "9"
    & skf18("5","1","1","10","7","1","1") = "9"
    & skf18("5","1","1","10","7","2","1") = "9"
    & skf18("5","1","1","10","7","3","1") = "9"
    & skf18("5","1","1","10","7","4","1") = "9"
    & skf18("5","1","1","10","7","5","1") = "9"
    & skf18("5","1","1","10","7","6","1") = "9"
    & skf18("5","1","1","10","7","7","1") = "9"
    & skf18("5","1","1","10","7","8","1") = "9"
    & skf18("5","1","1","10","7","9","1") = "9"
    & skf18("5","1","1","10","7","10","1") = "9"
    & skf18("5","1","1","10","8","1","1") = "9"
    & skf18("5","1","1","10","8","2","1") = "9"
    & skf18("5","1","1","10","8","3","1") = "9"
    & skf18("5","1","1","10","8","4","1") = "9"
    & skf18("5","1","1","10","8","5","1") = "9"
    & skf18("5","1","1","10","8","6","1") = "9"
    & skf18("5","1","1","10","8","7","1") = "9"
    & skf18("5","1","1","10","8","8","1") = "9"
    & skf18("5","1","1","10","8","9","1") = "9"
    & skf18("5","1","1","10","8","10","1") = "9"
    & skf18("5","1","1","10","9","1","1") = "9"
    & skf18("5","1","1","10","9","2","1") = "9"
    & skf18("5","1","1","10","9","3","1") = "9"
    & skf18("5","1","1","10","9","4","1") = "9"
    & skf18("5","1","1","10","9","5","1") = "9"
    & skf18("5","1","1","10","9","6","1") = "9"
    & skf18("5","1","1","10","9","7","1") = "9"
    & skf18("5","1","1","10","9","8","1") = "9"
    & skf18("5","1","1","10","9","9","1") = "9"
    & skf18("5","1","1","10","9","10","1") = "9"
    & skf18("5","1","1","10","10","1","1") = "9"
    & skf18("5","1","1","10","10","2","1") = "9"
    & skf18("5","1","1","10","10","3","1") = "9"
    & skf18("5","1","1","10","10","4","1") = "9"
    & skf18("5","1","1","10","10","5","1") = "9"
    & skf18("5","1","1","10","10","6","1") = "9"
    & skf18("5","1","1","10","10","7","1") = "9"
    & skf18("5","1","1","10","10","8","1") = "9"
    & skf18("5","1","1","10","10","9","1") = "9"
    & skf18("5","1","1","10","10","10","1") = "9"
    & skf18("5","1","2","1","1","1","1") = "4"
    & skf18("5","1","2","1","1","2","1") = "4"
    & skf18("5","1","2","1","1","3","1") = "4"
    & skf18("5","1","2","1","1","4","1") = "4"
    & skf18("5","1","2","1","1","5","1") = "4"
    & skf18("5","1","2","1","1","6","1") = "5"
    & skf18("5","1","2","1","1","7","1") = "6"
    & skf18("5","1","2","1","1","8","1") = "7"
    & skf18("5","1","2","1","1","9","1") = "8"
    & skf18("5","1","2","1","1","10","1") = "9"
    & skf18("5","1","2","1","2","1","1") = "4"
    & skf18("5","1","2","1","2","2","1") = "4"
    & skf18("5","1","2","1","2","3","1") = "4"
    & skf18("5","1","2","1","2","4","1") = "4"
    & skf18("5","1","2","1","2","5","1") = "4"
    & skf18("5","1","2","1","2","6","1") = "5"
    & skf18("5","1","2","1","2","7","1") = "6"
    & skf18("5","1","2","1","2","8","1") = "7"
    & skf18("5","1","2","1","2","9","1") = "8"
    & skf18("5","1","2","1","2","10","1") = "9"
    & skf18("5","1","2","1","3","1","1") = "4"
    & skf18("5","1","2","1","3","2","1") = "4"
    & skf18("5","1","2","1","3","3","1") = "4"
    & skf18("5","1","2","1","3","4","1") = "4"
    & skf18("5","1","2","1","3","5","1") = "4"
    & skf18("5","1","2","1","3","6","1") = "5"
    & skf18("5","1","2","1","3","7","1") = "6"
    & skf18("5","1","2","1","3","8","1") = "7"
    & skf18("5","1","2","1","3","9","1") = "8"
    & skf18("5","1","2","1","3","10","1") = "9"
    & skf18("5","1","2","1","4","1","1") = "4"
    & skf18("5","1","2","1","4","2","1") = "4"
    & skf18("5","1","2","1","4","3","1") = "4"
    & skf18("5","1","2","1","4","4","1") = "4"
    & skf18("5","1","2","1","4","5","1") = "4"
    & skf18("5","1","2","1","4","6","1") = "5"
    & skf18("5","1","2","1","4","7","1") = "6"
    & skf18("5","1","2","1","4","8","1") = "7"
    & skf18("5","1","2","1","4","9","1") = "8"
    & skf18("5","1","2","1","4","10","1") = "9"
    & skf18("5","1","2","1","5","1","1") = "4"
    & skf18("5","1","2","1","5","2","1") = "4"
    & skf18("5","1","2","1","5","3","1") = "4"
    & skf18("5","1","2","1","5","4","1") = "4"
    & skf18("5","1","2","1","5","5","1") = "4"
    & skf18("5","1","2","1","5","6","1") = "5"
    & skf18("5","1","2","1","5","7","1") = "6"
    & skf18("5","1","2","1","5","8","1") = "7"
    & skf18("5","1","2","1","5","9","1") = "8"
    & skf18("5","1","2","1","5","10","1") = "9"
    & skf18("5","1","2","1","6","1","1") = "5"
    & skf18("5","1","2","1","6","2","1") = "5"
    & skf18("5","1","2","1","6","3","1") = "5"
    & skf18("5","1","2","1","6","4","1") = "5"
    & skf18("5","1","2","1","6","5","1") = "5"
    & skf18("5","1","2","1","6","6","1") = "5"
    & skf18("5","1","2","1","6","7","1") = "6"
    & skf18("5","1","2","1","6","8","1") = "7"
    & skf18("5","1","2","1","6","9","1") = "8"
    & skf18("5","1","2","1","6","10","1") = "9"
    & skf18("5","1","2","1","7","1","1") = "6"
    & skf18("5","1","2","1","7","2","1") = "6"
    & skf18("5","1","2","1","7","3","1") = "6"
    & skf18("5","1","2","1","7","4","1") = "6"
    & skf18("5","1","2","1","7","5","1") = "6"
    & skf18("5","1","2","1","7","6","1") = "6"
    & skf18("5","1","2","1","7","7","1") = "6"
    & skf18("5","1","2","1","7","8","1") = "7"
    & skf18("5","1","2","1","7","9","1") = "8"
    & skf18("5","1","2","1","7","10","1") = "9"
    & skf18("5","1","2","1","8","1","1") = "7"
    & skf18("5","1","2","1","8","2","1") = "7"
    & skf18("5","1","2","1","8","3","1") = "7"
    & skf18("5","1","2","1","8","4","1") = "7"
    & skf18("5","1","2","1","8","5","1") = "7"
    & skf18("5","1","2","1","8","6","1") = "7"
    & skf18("5","1","2","1","8","7","1") = "7"
    & skf18("5","1","2","1","8","8","1") = "7"
    & skf18("5","1","2","1","8","9","1") = "8"
    & skf18("5","1","2","1","8","10","1") = "9"
    & skf18("5","1","2","1","9","1","1") = "8"
    & skf18("5","1","2","1","9","2","1") = "8"
    & skf18("5","1","2","1","9","3","1") = "8"
    & skf18("5","1","2","1","9","4","1") = "8"
    & skf18("5","1","2","1","9","5","1") = "8"
    & skf18("5","1","2","1","9","6","1") = "8"
    & skf18("5","1","2","1","9","7","1") = "8"
    & skf18("5","1","2","1","9","8","1") = "8"
    & skf18("5","1","2","1","9","9","1") = "8"
    & skf18("5","1","2","1","9","10","1") = "9"
    & skf18("5","1","2","1","10","1","1") = "9"
    & skf18("5","1","2","1","10","2","1") = "9"
    & skf18("5","1","2","1","10","3","1") = "9"
    & skf18("5","1","2","1","10","4","1") = "9"
    & skf18("5","1","2","1","10","5","1") = "9"
    & skf18("5","1","2","1","10","6","1") = "9"
    & skf18("5","1","2","1","10","7","1") = "9"
    & skf18("5","1","2","1","10","8","1") = "9"
    & skf18("5","1","2","1","10","9","1") = "9"
    & skf18("5","1","2","1","10","10","1") = "9"
    & skf18("5","1","2","2","1","1","1") = "4"
    & skf18("5","1","2","2","1","2","1") = "4"
    & skf18("5","1","2","2","1","3","1") = "4"
    & skf18("5","1","2","2","1","4","1") = "4"
    & skf18("5","1","2","2","1","5","1") = "4"
    & skf18("5","1","2","2","1","6","1") = "5"
    & skf18("5","1","2","2","1","7","1") = "6"
    & skf18("5","1","2","2","1","8","1") = "7"
    & skf18("5","1","2","2","1","9","1") = "8"
    & skf18("5","1","2","2","1","10","1") = "9"
    & skf18("5","1","2","2","2","1","1") = "4"
    & skf18("5","1","2","2","2","2","1") = "4"
    & skf18("5","1","2","2","2","3","1") = "4"
    & skf18("5","1","2","2","2","4","1") = "4"
    & skf18("5","1","2","2","2","5","1") = "4"
    & skf18("5","1","2","2","2","6","1") = "5"
    & skf18("5","1","2","2","2","7","1") = "6"
    & skf18("5","1","2","2","2","8","1") = "7"
    & skf18("5","1","2","2","2","9","1") = "8"
    & skf18("5","1","2","2","2","10","1") = "9"
    & skf18("5","1","2","2","3","1","1") = "4"
    & skf18("5","1","2","2","3","2","1") = "4"
    & skf18("5","1","2","2","3","3","1") = "4"
    & skf18("5","1","2","2","3","4","1") = "4"
    & skf18("5","1","2","2","3","5","1") = "4"
    & skf18("5","1","2","2","3","6","1") = "5"
    & skf18("5","1","2","2","3","7","1") = "6"
    & skf18("5","1","2","2","3","8","1") = "7"
    & skf18("5","1","2","2","3","9","1") = "8"
    & skf18("5","1","2","2","3","10","1") = "9"
    & skf18("5","1","2","2","4","1","1") = "4"
    & skf18("5","1","2","2","4","2","1") = "4"
    & skf18("5","1","2","2","4","3","1") = "4"
    & skf18("5","1","2","2","4","4","1") = "4"
    & skf18("5","1","2","2","4","5","1") = "4"
    & skf18("5","1","2","2","4","6","1") = "5"
    & skf18("5","1","2","2","4","7","1") = "6"
    & skf18("5","1","2","2","4","8","1") = "7"
    & skf18("5","1","2","2","4","9","1") = "8"
    & skf18("5","1","2","2","4","10","1") = "9"
    & skf18("5","1","2","2","5","1","1") = "4"
    & skf18("5","1","2","2","5","2","1") = "4"
    & skf18("5","1","2","2","5","3","1") = "4"
    & skf18("5","1","2","2","5","4","1") = "4"
    & skf18("5","1","2","2","5","5","1") = "4"
    & skf18("5","1","2","2","5","6","1") = "5"
    & skf18("5","1","2","2","5","7","1") = "6"
    & skf18("5","1","2","2","5","8","1") = "7"
    & skf18("5","1","2","2","5","9","1") = "8"
    & skf18("5","1","2","2","5","10","1") = "9"
    & skf18("5","1","2","2","6","1","1") = "5"
    & skf18("5","1","2","2","6","2","1") = "5"
    & skf18("5","1","2","2","6","3","1") = "5"
    & skf18("5","1","2","2","6","4","1") = "5"
    & skf18("5","1","2","2","6","5","1") = "5"
    & skf18("5","1","2","2","6","6","1") = "5"
    & skf18("5","1","2","2","6","7","1") = "6"
    & skf18("5","1","2","2","6","8","1") = "7"
    & skf18("5","1","2","2","6","9","1") = "8"
    & skf18("5","1","2","2","6","10","1") = "9"
    & skf18("5","1","2","2","7","1","1") = "6"
    & skf18("5","1","2","2","7","2","1") = "6"
    & skf18("5","1","2","2","7","3","1") = "6"
    & skf18("5","1","2","2","7","4","1") = "6"
    & skf18("5","1","2","2","7","5","1") = "6"
    & skf18("5","1","2","2","7","6","1") = "6"
    & skf18("5","1","2","2","7","7","1") = "6"
    & skf18("5","1","2","2","7","8","1") = "7"
    & skf18("5","1","2","2","7","9","1") = "8"
    & skf18("5","1","2","2","7","10","1") = "9"
    & skf18("5","1","2","2","8","1","1") = "7"
    & skf18("5","1","2","2","8","2","1") = "7"
    & skf18("5","1","2","2","8","3","1") = "7"
    & skf18("5","1","2","2","8","4","1") = "7"
    & skf18("5","1","2","2","8","5","1") = "7"
    & skf18("5","1","2","2","8","6","1") = "7"
    & skf18("5","1","2","2","8","7","1") = "7"
    & skf18("5","1","2","2","8","8","1") = "7"
    & skf18("5","1","2","2","8","9","1") = "8"
    & skf18("5","1","2","2","8","10","1") = "9"
    & skf18("5","1","2","2","9","1","1") = "8"
    & skf18("5","1","2","2","9","2","1") = "8"
    & skf18("5","1","2","2","9","3","1") = "8"
    & skf18("5","1","2","2","9","4","1") = "8"
    & skf18("5","1","2","2","9","5","1") = "8"
    & skf18("5","1","2","2","9","6","1") = "8"
    & skf18("5","1","2","2","9","7","1") = "8"
    & skf18("5","1","2","2","9","8","1") = "8"
    & skf18("5","1","2","2","9","9","1") = "8"
    & skf18("5","1","2","2","9","10","1") = "9"
    & skf18("5","1","2","2","10","1","1") = "9"
    & skf18("5","1","2","2","10","2","1") = "9"
    & skf18("5","1","2","2","10","3","1") = "9"
    & skf18("5","1","2","2","10","4","1") = "9"
    & skf18("5","1","2","2","10","5","1") = "9"
    & skf18("5","1","2","2","10","6","1") = "9"
    & skf18("5","1","2","2","10","7","1") = "9"
    & skf18("5","1","2","2","10","8","1") = "9"
    & skf18("5","1","2","2","10","9","1") = "9"
    & skf18("5","1","2","2","10","10","1") = "9"
    & skf18("5","1","2","3","1","1","1") = "4"
    & skf18("5","1","2","3","1","2","1") = "4"
    & skf18("5","1","2","3","1","3","1") = "4"
    & skf18("5","1","2","3","1","4","1") = "4"
    & skf18("5","1","2","3","1","5","1") = "4"
    & skf18("5","1","2","3","1","6","1") = "5"
    & skf18("5","1","2","3","1","7","1") = "6"
    & skf18("5","1","2","3","1","8","1") = "7"
    & skf18("5","1","2","3","1","9","1") = "8"
    & skf18("5","1","2","3","1","10","1") = "9"
    & skf18("5","1","2","3","2","1","1") = "4"
    & skf18("5","1","2","3","2","2","1") = "4"
    & skf18("5","1","2","3","2","3","1") = "4"
    & skf18("5","1","2","3","2","4","1") = "4"
    & skf18("5","1","2","3","2","5","1") = "4"
    & skf18("5","1","2","3","2","6","1") = "5"
    & skf18("5","1","2","3","2","7","1") = "6"
    & skf18("5","1","2","3","2","8","1") = "7"
    & skf18("5","1","2","3","2","9","1") = "8"
    & skf18("5","1","2","3","2","10","1") = "9"
    & skf18("5","1","2","3","3","1","1") = "4"
    & skf18("5","1","2","3","3","2","1") = "4"
    & skf18("5","1","2","3","3","3","1") = "4"
    & skf18("5","1","2","3","3","4","1") = "4"
    & skf18("5","1","2","3","3","5","1") = "4"
    & skf18("5","1","2","3","3","6","1") = "5"
    & skf18("5","1","2","3","3","7","1") = "6"
    & skf18("5","1","2","3","3","8","1") = "7"
    & skf18("5","1","2","3","3","9","1") = "8"
    & skf18("5","1","2","3","3","10","1") = "9"
    & skf18("5","1","2","3","4","1","1") = "4"
    & skf18("5","1","2","3","4","2","1") = "4"
    & skf18("5","1","2","3","4","3","1") = "4"
    & skf18("5","1","2","3","4","4","1") = "4"
    & skf18("5","1","2","3","4","5","1") = "4"
    & skf18("5","1","2","3","4","6","1") = "5"
    & skf18("5","1","2","3","4","7","1") = "6"
    & skf18("5","1","2","3","4","8","1") = "7"
    & skf18("5","1","2","3","4","9","1") = "8"
    & skf18("5","1","2","3","4","10","1") = "9"
    & skf18("5","1","2","3","5","1","1") = "4"
    & skf18("5","1","2","3","5","2","1") = "4"
    & skf18("5","1","2","3","5","3","1") = "4"
    & skf18("5","1","2","3","5","4","1") = "4"
    & skf18("5","1","2","3","5","5","1") = "4"
    & skf18("5","1","2","3","5","6","1") = "5"
    & skf18("5","1","2","3","5","7","1") = "6"
    & skf18("5","1","2","3","5","8","1") = "7"
    & skf18("5","1","2","3","5","9","1") = "8"
    & skf18("5","1","2","3","5","10","1") = "9"
    & skf18("5","1","2","3","6","1","1") = "5"
    & skf18("5","1","2","3","6","2","1") = "5"
    & skf18("5","1","2","3","6","3","1") = "5"
    & skf18("5","1","2","3","6","4","1") = "5"
    & skf18("5","1","2","3","6","5","1") = "5"
    & skf18("5","1","2","3","6","6","1") = "5"
    & skf18("5","1","2","3","6","7","1") = "6"
    & skf18("5","1","2","3","6","8","1") = "7"
    & skf18("5","1","2","3","6","9","1") = "8"
    & skf18("5","1","2","3","6","10","1") = "9"
    & skf18("5","1","2","3","7","1","1") = "6"
    & skf18("5","1","2","3","7","2","1") = "6"
    & skf18("5","1","2","3","7","3","1") = "6"
    & skf18("5","1","2","3","7","4","1") = "6"
    & skf18("5","1","2","3","7","5","1") = "6"
    & skf18("5","1","2","3","7","6","1") = "6"
    & skf18("5","1","2","3","7","7","1") = "6"
    & skf18("5","1","2","3","7","8","1") = "7"
    & skf18("5","1","2","3","7","9","1") = "8"
    & skf18("5","1","2","3","7","10","1") = "9"
    & skf18("5","1","2","3","8","1","1") = "7"
    & skf18("5","1","2","3","8","2","1") = "7"
    & skf18("5","1","2","3","8","3","1") = "7"
    & skf18("5","1","2","3","8","4","1") = "7"
    & skf18("5","1","2","3","8","5","1") = "7"
    & skf18("5","1","2","3","8","6","1") = "7"
    & skf18("5","1","2","3","8","7","1") = "7"
    & skf18("5","1","2","3","8","8","1") = "7"
    & skf18("5","1","2","3","8","9","1") = "8"
    & skf18("5","1","2","3","8","10","1") = "9"
    & skf18("5","1","2","3","9","1","1") = "8"
    & skf18("5","1","2","3","9","2","1") = "8"
    & skf18("5","1","2","3","9","3","1") = "8"
    & skf18("5","1","2","3","9","4","1") = "8"
    & skf18("5","1","2","3","9","5","1") = "8"
    & skf18("5","1","2","3","9","6","1") = "8"
    & skf18("5","1","2","3","9","7","1") = "8"
    & skf18("5","1","2","3","9","8","1") = "8"
    & skf18("5","1","2","3","9","9","1") = "8"
    & skf18("5","1","2","3","9","10","1") = "9"
    & skf18("5","1","2","3","10","1","1") = "9"
    & skf18("5","1","2","3","10","2","1") = "9"
    & skf18("5","1","2","3","10","3","1") = "9"
    & skf18("5","1","2","3","10","4","1") = "9"
    & skf18("5","1","2","3","10","5","1") = "9"
    & skf18("5","1","2","3","10","6","1") = "9"
    & skf18("5","1","2","3","10","7","1") = "9"
    & skf18("5","1","2","3","10","8","1") = "9"
    & skf18("5","1","2","3","10","9","1") = "9"
    & skf18("5","1","2","3","10","10","1") = "9"
    & skf18("5","1","2","4","1","1","1") = "4"
    & skf18("5","1","2","4","1","2","1") = "4"
    & skf18("5","1","2","4","1","3","1") = "4"
    & skf18("5","1","2","4","1","4","1") = "4"
    & skf18("5","1","2","4","1","5","1") = "4"
    & skf18("5","1","2","4","1","6","1") = "5"
    & skf18("5","1","2","4","1","7","1") = "6"
    & skf18("5","1","2","4","1","8","1") = "7"
    & skf18("5","1","2","4","1","9","1") = "8"
    & skf18("5","1","2","4","1","10","1") = "9"
    & skf18("5","1","2","4","2","1","1") = "4"
    & skf18("5","1","2","4","2","2","1") = "4"
    & skf18("5","1","2","4","2","3","1") = "4"
    & skf18("5","1","2","4","2","4","1") = "4"
    & skf18("5","1","2","4","2","5","1") = "4"
    & skf18("5","1","2","4","2","6","1") = "5"
    & skf18("5","1","2","4","2","7","1") = "6"
    & skf18("5","1","2","4","2","8","1") = "7"
    & skf18("5","1","2","4","2","9","1") = "8"
    & skf18("5","1","2","4","2","10","1") = "9"
    & skf18("5","1","2","4","3","1","1") = "4"
    & skf18("5","1","2","4","3","2","1") = "4"
    & skf18("5","1","2","4","3","3","1") = "4"
    & skf18("5","1","2","4","3","4","1") = "4"
    & skf18("5","1","2","4","3","5","1") = "4"
    & skf18("5","1","2","4","3","6","1") = "5"
    & skf18("5","1","2","4","3","7","1") = "6"
    & skf18("5","1","2","4","3","8","1") = "7"
    & skf18("5","1","2","4","3","9","1") = "8"
    & skf18("5","1","2","4","3","10","1") = "9"
    & skf18("5","1","2","4","4","1","1") = "4"
    & skf18("5","1","2","4","4","2","1") = "4"
    & skf18("5","1","2","4","4","3","1") = "4"
    & skf18("5","1","2","4","4","4","1") = "4"
    & skf18("5","1","2","4","4","5","1") = "4"
    & skf18("5","1","2","4","4","6","1") = "5"
    & skf18("5","1","2","4","4","7","1") = "6"
    & skf18("5","1","2","4","4","8","1") = "7"
    & skf18("5","1","2","4","4","9","1") = "8"
    & skf18("5","1","2","4","4","10","1") = "9"
    & skf18("5","1","2","4","5","1","1") = "4"
    & skf18("5","1","2","4","5","2","1") = "4"
    & skf18("5","1","2","4","5","3","1") = "4"
    & skf18("5","1","2","4","5","4","1") = "4"
    & skf18("5","1","2","4","5","5","1") = "4"
    & skf18("5","1","2","4","5","6","1") = "5"
    & skf18("5","1","2","4","5","7","1") = "6"
    & skf18("5","1","2","4","5","8","1") = "7"
    & skf18("5","1","2","4","5","9","1") = "8"
    & skf18("5","1","2","4","5","10","1") = "9"
    & skf18("5","1","2","4","6","1","1") = "5"
    & skf18("5","1","2","4","6","2","1") = "5"
    & skf18("5","1","2","4","6","3","1") = "5"
    & skf18("5","1","2","4","6","4","1") = "5"
    & skf18("5","1","2","4","6","5","1") = "5"
    & skf18("5","1","2","4","6","6","1") = "5"
    & skf18("5","1","2","4","6","7","1") = "6"
    & skf18("5","1","2","4","6","8","1") = "7"
    & skf18("5","1","2","4","6","9","1") = "8"
    & skf18("5","1","2","4","6","10","1") = "9"
    & skf18("5","1","2","4","7","1","1") = "6"
    & skf18("5","1","2","4","7","2","1") = "6"
    & skf18("5","1","2","4","7","3","1") = "6"
    & skf18("5","1","2","4","7","4","1") = "6"
    & skf18("5","1","2","4","7","5","1") = "6"
    & skf18("5","1","2","4","7","6","1") = "6"
    & skf18("5","1","2","4","7","7","1") = "6"
    & skf18("5","1","2","4","7","8","1") = "7"
    & skf18("5","1","2","4","7","9","1") = "8"
    & skf18("5","1","2","4","7","10","1") = "9"
    & skf18("5","1","2","4","8","1","1") = "7"
    & skf18("5","1","2","4","8","2","1") = "7"
    & skf18("5","1","2","4","8","3","1") = "7"
    & skf18("5","1","2","4","8","4","1") = "7"
    & skf18("5","1","2","4","8","5","1") = "7"
    & skf18("5","1","2","4","8","6","1") = "7"
    & skf18("5","1","2","4","8","7","1") = "7"
    & skf18("5","1","2","4","8","8","1") = "7"
    & skf18("5","1","2","4","8","9","1") = "8"
    & skf18("5","1","2","4","8","10","1") = "9"
    & skf18("5","1","2","4","9","1","1") = "8"
    & skf18("5","1","2","4","9","2","1") = "8"
    & skf18("5","1","2","4","9","3","1") = "8"
    & skf18("5","1","2","4","9","4","1") = "8"
    & skf18("5","1","2","4","9","5","1") = "8"
    & skf18("5","1","2","4","9","6","1") = "8"
    & skf18("5","1","2","4","9","7","1") = "8"
    & skf18("5","1","2","4","9","8","1") = "8"
    & skf18("5","1","2","4","9","9","1") = "8"
    & skf18("5","1","2","4","9","10","1") = "9"
    & skf18("5","1","2","4","10","1","1") = "9"
    & skf18("5","1","2","4","10","2","1") = "9"
    & skf18("5","1","2","4","10","3","1") = "9"
    & skf18("5","1","2","4","10","4","1") = "9"
    & skf18("5","1","2","4","10","5","1") = "9"
    & skf18("5","1","2","4","10","6","1") = "9"
    & skf18("5","1","2","4","10","7","1") = "9"
    & skf18("5","1","2","4","10","8","1") = "9"
    & skf18("5","1","2","4","10","9","1") = "9"
    & skf18("5","1","2","4","10","10","1") = "9"
    & skf18("5","1","2","5","1","1","1") = "4"
    & skf18("5","1","2","5","1","2","1") = "4"
    & skf18("5","1","2","5","1","3","1") = "4"
    & skf18("5","1","2","5","1","4","1") = "4"
    & skf18("5","1","2","5","1","5","1") = "4"
    & skf18("5","1","2","5","1","6","1") = "5"
    & skf18("5","1","2","5","1","7","1") = "6"
    & skf18("5","1","2","5","1","8","1") = "7"
    & skf18("5","1","2","5","1","9","1") = "8"
    & skf18("5","1","2","5","1","10","1") = "9"
    & skf18("5","1","2","5","2","1","1") = "4"
    & skf18("5","1","2","5","2","2","1") = "4"
    & skf18("5","1","2","5","2","3","1") = "4"
    & skf18("5","1","2","5","2","4","1") = "4"
    & skf18("5","1","2","5","2","5","1") = "4"
    & skf18("5","1","2","5","2","6","1") = "5"
    & skf18("5","1","2","5","2","7","1") = "6"
    & skf18("5","1","2","5","2","8","1") = "7"
    & skf18("5","1","2","5","2","9","1") = "8"
    & skf18("5","1","2","5","2","10","1") = "9"
    & skf18("5","1","2","5","3","1","1") = "4"
    & skf18("5","1","2","5","3","2","1") = "4"
    & skf18("5","1","2","5","3","3","1") = "4"
    & skf18("5","1","2","5","3","4","1") = "4"
    & skf18("5","1","2","5","3","5","1") = "4"
    & skf18("5","1","2","5","3","6","1") = "5"
    & skf18("5","1","2","5","3","7","1") = "6"
    & skf18("5","1","2","5","3","8","1") = "7"
    & skf18("5","1","2","5","3","9","1") = "8"
    & skf18("5","1","2","5","3","10","1") = "9"
    & skf18("5","1","2","5","4","1","1") = "4"
    & skf18("5","1","2","5","4","2","1") = "4"
    & skf18("5","1","2","5","4","3","1") = "4"
    & skf18("5","1","2","5","4","4","1") = "4"
    & skf18("5","1","2","5","4","5","1") = "4"
    & skf18("5","1","2","5","4","6","1") = "5"
    & skf18("5","1","2","5","4","7","1") = "6"
    & skf18("5","1","2","5","4","8","1") = "7"
    & skf18("5","1","2","5","4","9","1") = "8"
    & skf18("5","1","2","5","4","10","1") = "9"
    & skf18("5","1","2","5","5","1","1") = "4"
    & skf18("5","1","2","5","5","2","1") = "4"
    & skf18("5","1","2","5","5","3","1") = "4"
    & skf18("5","1","2","5","5","4","1") = "4"
    & skf18("5","1","2","5","5","5","1") = "4"
    & skf18("5","1","2","5","5","6","1") = "5"
    & skf18("5","1","2","5","5","7","1") = "6"
    & skf18("5","1","2","5","5","8","1") = "7"
    & skf18("5","1","2","5","5","9","1") = "8"
    & skf18("5","1","2","5","5","10","1") = "9"
    & skf18("5","1","2","5","6","1","1") = "5"
    & skf18("5","1","2","5","6","2","1") = "5"
    & skf18("5","1","2","5","6","3","1") = "5"
    & skf18("5","1","2","5","6","4","1") = "5"
    & skf18("5","1","2","5","6","5","1") = "5"
    & skf18("5","1","2","5","6","6","1") = "5"
    & skf18("5","1","2","5","6","7","1") = "6"
    & skf18("5","1","2","5","6","8","1") = "7"
    & skf18("5","1","2","5","6","9","1") = "8"
    & skf18("5","1","2","5","6","10","1") = "9"
    & skf18("5","1","2","5","7","1","1") = "6"
    & skf18("5","1","2","5","7","2","1") = "6"
    & skf18("5","1","2","5","7","3","1") = "6"
    & skf18("5","1","2","5","7","4","1") = "6"
    & skf18("5","1","2","5","7","5","1") = "6"
    & skf18("5","1","2","5","7","6","1") = "6"
    & skf18("5","1","2","5","7","7","1") = "6"
    & skf18("5","1","2","5","7","8","1") = "7"
    & skf18("5","1","2","5","7","9","1") = "8"
    & skf18("5","1","2","5","7","10","1") = "9"
    & skf18("5","1","2","5","8","1","1") = "7"
    & skf18("5","1","2","5","8","2","1") = "7"
    & skf18("5","1","2","5","8","3","1") = "7"
    & skf18("5","1","2","5","8","4","1") = "7"
    & skf18("5","1","2","5","8","5","1") = "7"
    & skf18("5","1","2","5","8","6","1") = "7"
    & skf18("5","1","2","5","8","7","1") = "7"
    & skf18("5","1","2","5","8","8","1") = "7"
    & skf18("5","1","2","5","8","9","1") = "8"
    & skf18("5","1","2","5","8","10","1") = "9"
    & skf18("5","1","2","5","9","1","1") = "8"
    & skf18("5","1","2","5","9","2","1") = "8"
    & skf18("5","1","2","5","9","3","1") = "8"
    & skf18("5","1","2","5","9","4","1") = "8"
    & skf18("5","1","2","5","9","5","1") = "8"
    & skf18("5","1","2","5","9","6","1") = "8"
    & skf18("5","1","2","5","9","7","1") = "8"
    & skf18("5","1","2","5","9","8","1") = "8"
    & skf18("5","1","2","5","9","9","1") = "8"
    & skf18("5","1","2","5","9","10","1") = "9"
    & skf18("5","1","2","5","10","1","1") = "9"
    & skf18("5","1","2","5","10","2","1") = "9"
    & skf18("5","1","2","5","10","3","1") = "9"
    & skf18("5","1","2","5","10","4","1") = "9"
    & skf18("5","1","2","5","10","5","1") = "9"
    & skf18("5","1","2","5","10","6","1") = "9"
    & skf18("5","1","2","5","10","7","1") = "9"
    & skf18("5","1","2","5","10","8","1") = "9"
    & skf18("5","1","2","5","10","9","1") = "9"
    & skf18("5","1","2","5","10","10","1") = "9"
    & skf18("5","1","2","6","1","1","1") = "5"
    & skf18("5","1","2","6","1","2","1") = "5"
    & skf18("5","1","2","6","1","3","1") = "5"
    & skf18("5","1","2","6","1","4","1") = "5"
    & skf18("5","1","2","6","1","5","1") = "5"
    & skf18("5","1","2","6","1","6","1") = "5"
    & skf18("5","1","2","6","1","7","1") = "6"
    & skf18("5","1","2","6","1","8","1") = "7"
    & skf18("5","1","2","6","1","9","1") = "8"
    & skf18("5","1","2","6","1","10","1") = "9"
    & skf18("5","1","2","6","2","1","1") = "5"
    & skf18("5","1","2","6","2","2","1") = "5"
    & skf18("5","1","2","6","2","3","1") = "5"
    & skf18("5","1","2","6","2","4","1") = "5"
    & skf18("5","1","2","6","2","5","1") = "5"
    & skf18("5","1","2","6","2","6","1") = "5"
    & skf18("5","1","2","6","2","7","1") = "6"
    & skf18("5","1","2","6","2","8","1") = "7"
    & skf18("5","1","2","6","2","9","1") = "8"
    & skf18("5","1","2","6","2","10","1") = "9"
    & skf18("5","1","2","6","3","1","1") = "5"
    & skf18("5","1","2","6","3","2","1") = "5"
    & skf18("5","1","2","6","3","3","1") = "5"
    & skf18("5","1","2","6","3","4","1") = "5"
    & skf18("5","1","2","6","3","5","1") = "5"
    & skf18("5","1","2","6","3","6","1") = "5"
    & skf18("5","1","2","6","3","7","1") = "6"
    & skf18("5","1","2","6","3","8","1") = "7"
    & skf18("5","1","2","6","3","9","1") = "8"
    & skf18("5","1","2","6","3","10","1") = "9"
    & skf18("5","1","2","6","4","1","1") = "5"
    & skf18("5","1","2","6","4","2","1") = "5"
    & skf18("5","1","2","6","4","3","1") = "5"
    & skf18("5","1","2","6","4","4","1") = "5"
    & skf18("5","1","2","6","4","5","1") = "5"
    & skf18("5","1","2","6","4","6","1") = "5"
    & skf18("5","1","2","6","4","7","1") = "6"
    & skf18("5","1","2","6","4","8","1") = "7"
    & skf18("5","1","2","6","4","9","1") = "8"
    & skf18("5","1","2","6","4","10","1") = "9"
    & skf18("5","1","2","6","5","1","1") = "5"
    & skf18("5","1","2","6","5","2","1") = "5"
    & skf18("5","1","2","6","5","3","1") = "5"
    & skf18("5","1","2","6","5","4","1") = "5"
    & skf18("5","1","2","6","5","5","1") = "5"
    & skf18("5","1","2","6","5","6","1") = "5"
    & skf18("5","1","2","6","5","7","1") = "6"
    & skf18("5","1","2","6","5","8","1") = "7"
    & skf18("5","1","2","6","5","9","1") = "8"
    & skf18("5","1","2","6","5","10","1") = "9"
    & skf18("5","1","2","6","6","1","1") = "5"
    & skf18("5","1","2","6","6","2","1") = "5"
    & skf18("5","1","2","6","6","3","1") = "5"
    & skf18("5","1","2","6","6","4","1") = "5"
    & skf18("5","1","2","6","6","5","1") = "5"
    & skf18("5","1","2","6","6","6","1") = "5"
    & skf18("5","1","2","6","6","7","1") = "6"
    & skf18("5","1","2","6","6","8","1") = "7"
    & skf18("5","1","2","6","6","9","1") = "8"
    & skf18("5","1","2","6","6","10","1") = "9"
    & skf18("5","1","2","6","7","1","1") = "6"
    & skf18("5","1","2","6","7","2","1") = "6"
    & skf18("5","1","2","6","7","3","1") = "6"
    & skf18("5","1","2","6","7","4","1") = "6"
    & skf18("5","1","2","6","7","5","1") = "6"
    & skf18("5","1","2","6","7","6","1") = "6"
    & skf18("5","1","2","6","7","7","1") = "6"
    & skf18("5","1","2","6","7","8","1") = "7"
    & skf18("5","1","2","6","7","9","1") = "8"
    & skf18("5","1","2","6","7","10","1") = "9"
    & skf18("5","1","2","6","8","1","1") = "7"
    & skf18("5","1","2","6","8","2","1") = "7"
    & skf18("5","1","2","6","8","3","1") = "7"
    & skf18("5","1","2","6","8","4","1") = "7"
    & skf18("5","1","2","6","8","5","1") = "7"
    & skf18("5","1","2","6","8","6","1") = "7"
    & skf18("5","1","2","6","8","7","1") = "7"
    & skf18("5","1","2","6","8","8","1") = "7"
    & skf18("5","1","2","6","8","9","1") = "8"
    & skf18("5","1","2","6","8","10","1") = "9"
    & skf18("5","1","2","6","9","1","1") = "8"
    & skf18("5","1","2","6","9","2","1") = "8"
    & skf18("5","1","2","6","9","3","1") = "8"
    & skf18("5","1","2","6","9","4","1") = "8"
    & skf18("5","1","2","6","9","5","1") = "8"
    & skf18("5","1","2","6","9","6","1") = "8"
    & skf18("5","1","2","6","9","7","1") = "8"
    & skf18("5","1","2","6","9","8","1") = "8"
    & skf18("5","1","2","6","9","9","1") = "8"
    & skf18("5","1","2","6","9","10","1") = "9"
    & skf18("5","1","2","6","10","1","1") = "9"
    & skf18("5","1","2","6","10","2","1") = "9"
    & skf18("5","1","2","6","10","3","1") = "9"
    & skf18("5","1","2","6","10","4","1") = "9"
    & skf18("5","1","2","6","10","5","1") = "9"
    & skf18("5","1","2","6","10","6","1") = "9"
    & skf18("5","1","2","6","10","7","1") = "9"
    & skf18("5","1","2","6","10","8","1") = "9"
    & skf18("5","1","2","6","10","9","1") = "9"
    & skf18("5","1","2","6","10","10","1") = "9"
    & skf18("5","1","2","7","1","1","1") = "6"
    & skf18("5","1","2","7","1","2","1") = "6"
    & skf18("5","1","2","7","1","3","1") = "6"
    & skf18("5","1","2","7","1","4","1") = "6"
    & skf18("5","1","2","7","1","5","1") = "6"
    & skf18("5","1","2","7","1","6","1") = "6"
    & skf18("5","1","2","7","1","7","1") = "6"
    & skf18("5","1","2","7","1","8","1") = "7"
    & skf18("5","1","2","7","1","9","1") = "8"
    & skf18("5","1","2","7","1","10","1") = "9"
    & skf18("5","1","2","7","2","1","1") = "6"
    & skf18("5","1","2","7","2","2","1") = "6"
    & skf18("5","1","2","7","2","3","1") = "6"
    & skf18("5","1","2","7","2","4","1") = "6"
    & skf18("5","1","2","7","2","5","1") = "6"
    & skf18("5","1","2","7","2","6","1") = "6"
    & skf18("5","1","2","7","2","7","1") = "6"
    & skf18("5","1","2","7","2","8","1") = "7"
    & skf18("5","1","2","7","2","9","1") = "8"
    & skf18("5","1","2","7","2","10","1") = "9"
    & skf18("5","1","2","7","3","1","1") = "6"
    & skf18("5","1","2","7","3","2","1") = "6"
    & skf18("5","1","2","7","3","3","1") = "6"
    & skf18("5","1","2","7","3","4","1") = "6"
    & skf18("5","1","2","7","3","5","1") = "6"
    & skf18("5","1","2","7","3","6","1") = "6"
    & skf18("5","1","2","7","3","7","1") = "6"
    & skf18("5","1","2","7","3","8","1") = "7"
    & skf18("5","1","2","7","3","9","1") = "8"
    & skf18("5","1","2","7","3","10","1") = "9"
    & skf18("5","1","2","7","4","1","1") = "6"
    & skf18("5","1","2","7","4","2","1") = "6"
    & skf18("5","1","2","7","4","3","1") = "6"
    & skf18("5","1","2","7","4","4","1") = "6"
    & skf18("5","1","2","7","4","5","1") = "6"
    & skf18("5","1","2","7","4","6","1") = "6"
    & skf18("5","1","2","7","4","7","1") = "6"
    & skf18("5","1","2","7","4","8","1") = "7"
    & skf18("5","1","2","7","4","9","1") = "8"
    & skf18("5","1","2","7","4","10","1") = "9"
    & skf18("5","1","2","7","5","1","1") = "6"
    & skf18("5","1","2","7","5","2","1") = "6"
    & skf18("5","1","2","7","5","3","1") = "6"
    & skf18("5","1","2","7","5","4","1") = "6"
    & skf18("5","1","2","7","5","5","1") = "6"
    & skf18("5","1","2","7","5","6","1") = "6"
    & skf18("5","1","2","7","5","7","1") = "6"
    & skf18("5","1","2","7","5","8","1") = "7"
    & skf18("5","1","2","7","5","9","1") = "8"
    & skf18("5","1","2","7","5","10","1") = "9"
    & skf18("5","1","2","7","6","1","1") = "6"
    & skf18("5","1","2","7","6","2","1") = "6"
    & skf18("5","1","2","7","6","3","1") = "6"
    & skf18("5","1","2","7","6","4","1") = "6"
    & skf18("5","1","2","7","6","5","1") = "6"
    & skf18("5","1","2","7","6","6","1") = "6"
    & skf18("5","1","2","7","6","7","1") = "6"
    & skf18("5","1","2","7","6","8","1") = "7"
    & skf18("5","1","2","7","6","9","1") = "8"
    & skf18("5","1","2","7","6","10","1") = "9"
    & skf18("5","1","2","7","7","1","1") = "6"
    & skf18("5","1","2","7","7","2","1") = "6"
    & skf18("5","1","2","7","7","3","1") = "6"
    & skf18("5","1","2","7","7","4","1") = "6"
    & skf18("5","1","2","7","7","5","1") = "6"
    & skf18("5","1","2","7","7","6","1") = "6"
    & skf18("5","1","2","7","7","7","1") = "6"
    & skf18("5","1","2","7","7","8","1") = "7"
    & skf18("5","1","2","7","7","9","1") = "8"
    & skf18("5","1","2","7","7","10","1") = "9"
    & skf18("5","1","2","7","8","1","1") = "7"
    & skf18("5","1","2","7","8","2","1") = "7"
    & skf18("5","1","2","7","8","3","1") = "7"
    & skf18("5","1","2","7","8","4","1") = "7"
    & skf18("5","1","2","7","8","5","1") = "7"
    & skf18("5","1","2","7","8","6","1") = "7"
    & skf18("5","1","2","7","8","7","1") = "7"
    & skf18("5","1","2","7","8","8","1") = "7"
    & skf18("5","1","2","7","8","9","1") = "8"
    & skf18("5","1","2","7","8","10","1") = "9"
    & skf18("5","1","2","7","9","1","1") = "8"
    & skf18("5","1","2","7","9","2","1") = "8"
    & skf18("5","1","2","7","9","3","1") = "8"
    & skf18("5","1","2","7","9","4","1") = "8"
    & skf18("5","1","2","7","9","5","1") = "8"
    & skf18("5","1","2","7","9","6","1") = "8"
    & skf18("5","1","2","7","9","7","1") = "8"
    & skf18("5","1","2","7","9","8","1") = "8"
    & skf18("5","1","2","7","9","9","1") = "8"
    & skf18("5","1","2","7","9","10","1") = "9"
    & skf18("5","1","2","7","10","1","1") = "9"
    & skf18("5","1","2","7","10","2","1") = "9"
    & skf18("5","1","2","7","10","3","1") = "9"
    & skf18("5","1","2","7","10","4","1") = "9"
    & skf18("5","1","2","7","10","5","1") = "9"
    & skf18("5","1","2","7","10","6","1") = "9"
    & skf18("5","1","2","7","10","7","1") = "9"
    & skf18("5","1","2","7","10","8","1") = "9"
    & skf18("5","1","2","7","10","9","1") = "9"
    & skf18("5","1","2","7","10","10","1") = "9"
    & skf18("5","1","2","8","1","1","1") = "7"
    & skf18("5","1","2","8","1","2","1") = "7"
    & skf18("5","1","2","8","1","3","1") = "7"
    & skf18("5","1","2","8","1","4","1") = "7"
    & skf18("5","1","2","8","1","5","1") = "7"
    & skf18("5","1","2","8","1","6","1") = "7"
    & skf18("5","1","2","8","1","7","1") = "7"
    & skf18("5","1","2","8","1","8","1") = "7"
    & skf18("5","1","2","8","1","9","1") = "8"
    & skf18("5","1","2","8","1","10","1") = "9"
    & skf18("5","1","2","8","2","1","1") = "7"
    & skf18("5","1","2","8","2","2","1") = "7"
    & skf18("5","1","2","8","2","3","1") = "7"
    & skf18("5","1","2","8","2","4","1") = "7"
    & skf18("5","1","2","8","2","5","1") = "7"
    & skf18("5","1","2","8","2","6","1") = "7"
    & skf18("5","1","2","8","2","7","1") = "7"
    & skf18("5","1","2","8","2","8","1") = "7"
    & skf18("5","1","2","8","2","9","1") = "8"
    & skf18("5","1","2","8","2","10","1") = "9"
    & skf18("5","1","2","8","3","1","1") = "7"
    & skf18("5","1","2","8","3","2","1") = "7"
    & skf18("5","1","2","8","3","3","1") = "7"
    & skf18("5","1","2","8","3","4","1") = "7"
    & skf18("5","1","2","8","3","5","1") = "7"
    & skf18("5","1","2","8","3","6","1") = "7"
    & skf18("5","1","2","8","3","7","1") = "7"
    & skf18("5","1","2","8","3","8","1") = "7"
    & skf18("5","1","2","8","3","9","1") = "8"
    & skf18("5","1","2","8","3","10","1") = "9"
    & skf18("5","1","2","8","4","1","1") = "7"
    & skf18("5","1","2","8","4","2","1") = "7"
    & skf18("5","1","2","8","4","3","1") = "7"
    & skf18("5","1","2","8","4","4","1") = "7"
    & skf18("5","1","2","8","4","5","1") = "7"
    & skf18("5","1","2","8","4","6","1") = "7"
    & skf18("5","1","2","8","4","7","1") = "7"
    & skf18("5","1","2","8","4","8","1") = "7"
    & skf18("5","1","2","8","4","9","1") = "8"
    & skf18("5","1","2","8","4","10","1") = "9"
    & skf18("5","1","2","8","5","1","1") = "7"
    & skf18("5","1","2","8","5","2","1") = "7"
    & skf18("5","1","2","8","5","3","1") = "7"
    & skf18("5","1","2","8","5","4","1") = "7"
    & skf18("5","1","2","8","5","5","1") = "7"
    & skf18("5","1","2","8","5","6","1") = "7"
    & skf18("5","1","2","8","5","7","1") = "7"
    & skf18("5","1","2","8","5","8","1") = "7"
    & skf18("5","1","2","8","5","9","1") = "8"
    & skf18("5","1","2","8","5","10","1") = "9"
    & skf18("5","1","2","8","6","1","1") = "7"
    & skf18("5","1","2","8","6","2","1") = "7"
    & skf18("5","1","2","8","6","3","1") = "7"
    & skf18("5","1","2","8","6","4","1") = "7"
    & skf18("5","1","2","8","6","5","1") = "7"
    & skf18("5","1","2","8","6","6","1") = "7"
    & skf18("5","1","2","8","6","7","1") = "7"
    & skf18("5","1","2","8","6","8","1") = "7"
    & skf18("5","1","2","8","6","9","1") = "8"
    & skf18("5","1","2","8","6","10","1") = "9"
    & skf18("5","1","2","8","7","1","1") = "7"
    & skf18("5","1","2","8","7","2","1") = "7"
    & skf18("5","1","2","8","7","3","1") = "7"
    & skf18("5","1","2","8","7","4","1") = "7"
    & skf18("5","1","2","8","7","5","1") = "7"
    & skf18("5","1","2","8","7","6","1") = "7"
    & skf18("5","1","2","8","7","7","1") = "7"
    & skf18("5","1","2","8","7","8","1") = "7"
    & skf18("5","1","2","8","7","9","1") = "8"
    & skf18("5","1","2","8","7","10","1") = "9"
    & skf18("5","1","2","8","8","1","1") = "7"
    & skf18("5","1","2","8","8","2","1") = "7"
    & skf18("5","1","2","8","8","3","1") = "7"
    & skf18("5","1","2","8","8","4","1") = "7"
    & skf18("5","1","2","8","8","5","1") = "7"
    & skf18("5","1","2","8","8","6","1") = "7"
    & skf18("5","1","2","8","8","7","1") = "7"
    & skf18("5","1","2","8","8","8","1") = "7"
    & skf18("5","1","2","8","8","9","1") = "8"
    & skf18("5","1","2","8","8","10","1") = "9"
    & skf18("5","1","2","8","9","1","1") = "8"
    & skf18("5","1","2","8","9","2","1") = "8"
    & skf18("5","1","2","8","9","3","1") = "8"
    & skf18("5","1","2","8","9","4","1") = "8"
    & skf18("5","1","2","8","9","5","1") = "8"
    & skf18("5","1","2","8","9","6","1") = "8"
    & skf18("5","1","2","8","9","7","1") = "8"
    & skf18("5","1","2","8","9","8","1") = "8"
    & skf18("5","1","2","8","9","9","1") = "8"
    & skf18("5","1","2","8","9","10","1") = "9"
    & skf18("5","1","2","8","10","1","1") = "9"
    & skf18("5","1","2","8","10","2","1") = "9"
    & skf18("5","1","2","8","10","3","1") = "9"
    & skf18("5","1","2","8","10","4","1") = "9"
    & skf18("5","1","2","8","10","5","1") = "9"
    & skf18("5","1","2","8","10","6","1") = "9"
    & skf18("5","1","2","8","10","7","1") = "9"
    & skf18("5","1","2","8","10","8","1") = "9"
    & skf18("5","1","2","8","10","9","1") = "9"
    & skf18("5","1","2","8","10","10","1") = "9"
    & skf18("5","1","2","9","1","1","1") = "8"
    & skf18("5","1","2","9","1","2","1") = "8"
    & skf18("5","1","2","9","1","3","1") = "8"
    & skf18("5","1","2","9","1","4","1") = "8"
    & skf18("5","1","2","9","1","5","1") = "8"
    & skf18("5","1","2","9","1","6","1") = "8"
    & skf18("5","1","2","9","1","7","1") = "8"
    & skf18("5","1","2","9","1","8","1") = "8"
    & skf18("5","1","2","9","1","9","1") = "8"
    & skf18("5","1","2","9","1","10","1") = "9"
    & skf18("5","1","2","9","2","1","1") = "8"
    & skf18("5","1","2","9","2","2","1") = "8"
    & skf18("5","1","2","9","2","3","1") = "8"
    & skf18("5","1","2","9","2","4","1") = "8"
    & skf18("5","1","2","9","2","5","1") = "8"
    & skf18("5","1","2","9","2","6","1") = "8"
    & skf18("5","1","2","9","2","7","1") = "8"
    & skf18("5","1","2","9","2","8","1") = "8"
    & skf18("5","1","2","9","2","9","1") = "8"
    & skf18("5","1","2","9","2","10","1") = "9"
    & skf18("5","1","2","9","3","1","1") = "8"
    & skf18("5","1","2","9","3","2","1") = "8"
    & skf18("5","1","2","9","3","3","1") = "8"
    & skf18("5","1","2","9","3","4","1") = "8"
    & skf18("5","1","2","9","3","5","1") = "8"
    & skf18("5","1","2","9","3","6","1") = "8"
    & skf18("5","1","2","9","3","7","1") = "8"
    & skf18("5","1","2","9","3","8","1") = "8"
    & skf18("5","1","2","9","3","9","1") = "8"
    & skf18("5","1","2","9","3","10","1") = "9"
    & skf18("5","1","2","9","4","1","1") = "8"
    & skf18("5","1","2","9","4","2","1") = "8"
    & skf18("5","1","2","9","4","3","1") = "8"
    & skf18("5","1","2","9","4","4","1") = "8"
    & skf18("5","1","2","9","4","5","1") = "8"
    & skf18("5","1","2","9","4","6","1") = "8"
    & skf18("5","1","2","9","4","7","1") = "8"
    & skf18("5","1","2","9","4","8","1") = "8"
    & skf18("5","1","2","9","4","9","1") = "8"
    & skf18("5","1","2","9","4","10","1") = "9"
    & skf18("5","1","2","9","5","1","1") = "8"
    & skf18("5","1","2","9","5","2","1") = "8"
    & skf18("5","1","2","9","5","3","1") = "8"
    & skf18("5","1","2","9","5","4","1") = "8"
    & skf18("5","1","2","9","5","5","1") = "8"
    & skf18("5","1","2","9","5","6","1") = "8"
    & skf18("5","1","2","9","5","7","1") = "8"
    & skf18("5","1","2","9","5","8","1") = "8"
    & skf18("5","1","2","9","5","9","1") = "8"
    & skf18("5","1","2","9","5","10","1") = "9"
    & skf18("5","1","2","9","6","1","1") = "8"
    & skf18("5","1","2","9","6","2","1") = "8"
    & skf18("5","1","2","9","6","3","1") = "8"
    & skf18("5","1","2","9","6","4","1") = "8"
    & skf18("5","1","2","9","6","5","1") = "8"
    & skf18("5","1","2","9","6","6","1") = "8"
    & skf18("5","1","2","9","6","7","1") = "8"
    & skf18("5","1","2","9","6","8","1") = "8"
    & skf18("5","1","2","9","6","9","1") = "8"
    & skf18("5","1","2","9","6","10","1") = "9"
    & skf18("5","1","2","9","7","1","1") = "8"
    & skf18("5","1","2","9","7","2","1") = "8"
    & skf18("5","1","2","9","7","3","1") = "8"
    & skf18("5","1","2","9","7","4","1") = "8"
    & skf18("5","1","2","9","7","5","1") = "8"
    & skf18("5","1","2","9","7","6","1") = "8"
    & skf18("5","1","2","9","7","7","1") = "8"
    & skf18("5","1","2","9","7","8","1") = "8"
    & skf18("5","1","2","9","7","9","1") = "8"
    & skf18("5","1","2","9","7","10","1") = "9"
    & skf18("5","1","2","9","8","1","1") = "8"
    & skf18("5","1","2","9","8","2","1") = "8"
    & skf18("5","1","2","9","8","3","1") = "8"
    & skf18("5","1","2","9","8","4","1") = "8"
    & skf18("5","1","2","9","8","5","1") = "8"
    & skf18("5","1","2","9","8","6","1") = "8"
    & skf18("5","1","2","9","8","7","1") = "8"
    & skf18("5","1","2","9","8","8","1") = "8"
    & skf18("5","1","2","9","8","9","1") = "8"
    & skf18("5","1","2","9","8","10","1") = "9"
    & skf18("5","1","2","9","9","1","1") = "8"
    & skf18("5","1","2","9","9","2","1") = "8"
    & skf18("5","1","2","9","9","3","1") = "8"
    & skf18("5","1","2","9","9","4","1") = "8"
    & skf18("5","1","2","9","9","5","1") = "8"
    & skf18("5","1","2","9","9","6","1") = "8"
    & skf18("5","1","2","9","9","7","1") = "8"
    & skf18("5","1","2","9","9","8","1") = "8"
    & skf18("5","1","2","9","9","9","1") = "8"
    & skf18("5","1","2","9","9","10","1") = "9"
    & skf18("5","1","2","9","10","1","1") = "9"
    & skf18("5","1","2","9","10","2","1") = "9"
    & skf18("5","1","2","9","10","3","1") = "9"
    & skf18("5","1","2","9","10","4","1") = "9"
    & skf18("5","1","2","9","10","5","1") = "9"
    & skf18("5","1","2","9","10","6","1") = "9"
    & skf18("5","1","2","9","10","7","1") = "9"
    & skf18("5","1","2","9","10","8","1") = "9"
    & skf18("5","1","2","9","10","9","1") = "9"
    & skf18("5","1","2","9","10","10","1") = "9"
    & skf18("5","1","2","10","1","1","1") = "9"
    & skf18("5","1","2","10","1","2","1") = "9"
    & skf18("5","1","2","10","1","3","1") = "9"
    & skf18("5","1","2","10","1","4","1") = "9"
    & skf18("5","1","2","10","1","5","1") = "9"
    & skf18("5","1","2","10","1","6","1") = "9"
    & skf18("5","1","2","10","1","7","1") = "9"
    & skf18("5","1","2","10","1","8","1") = "9"
    & skf18("5","1","2","10","1","9","1") = "9"
    & skf18("5","1","2","10","1","10","1") = "9"
    & skf18("5","1","2","10","2","1","1") = "9"
    & skf18("5","1","2","10","2","2","1") = "9"
    & skf18("5","1","2","10","2","3","1") = "9"
    & skf18("5","1","2","10","2","4","1") = "9"
    & skf18("5","1","2","10","2","5","1") = "9"
    & skf18("5","1","2","10","2","6","1") = "9"
    & skf18("5","1","2","10","2","7","1") = "9"
    & skf18("5","1","2","10","2","8","1") = "9"
    & skf18("5","1","2","10","2","9","1") = "9"
    & skf18("5","1","2","10","2","10","1") = "9"
    & skf18("5","1","2","10","3","1","1") = "9"
    & skf18("5","1","2","10","3","2","1") = "9"
    & skf18("5","1","2","10","3","3","1") = "9"
    & skf18("5","1","2","10","3","4","1") = "9"
    & skf18("5","1","2","10","3","5","1") = "9"
    & skf18("5","1","2","10","3","6","1") = "9"
    & skf18("5","1","2","10","3","7","1") = "9"
    & skf18("5","1","2","10","3","8","1") = "9"
    & skf18("5","1","2","10","3","9","1") = "9"
    & skf18("5","1","2","10","3","10","1") = "9"
    & skf18("5","1","2","10","4","1","1") = "9"
    & skf18("5","1","2","10","4","2","1") = "9"
    & skf18("5","1","2","10","4","3","1") = "9"
    & skf18("5","1","2","10","4","4","1") = "9"
    & skf18("5","1","2","10","4","5","1") = "9"
    & skf18("5","1","2","10","4","6","1") = "9"
    & skf18("5","1","2","10","4","7","1") = "9"
    & skf18("5","1","2","10","4","8","1") = "9"
    & skf18("5","1","2","10","4","9","1") = "9"
    & skf18("5","1","2","10","4","10","1") = "9"
    & skf18("5","1","2","10","5","1","1") = "9"
    & skf18("5","1","2","10","5","2","1") = "9"
    & skf18("5","1","2","10","5","3","1") = "9"
    & skf18("5","1","2","10","5","4","1") = "9"
    & skf18("5","1","2","10","5","5","1") = "9"
    & skf18("5","1","2","10","5","6","1") = "9"
    & skf18("5","1","2","10","5","7","1") = "9"
    & skf18("5","1","2","10","5","8","1") = "9"
    & skf18("5","1","2","10","5","9","1") = "9"
    & skf18("5","1","2","10","5","10","1") = "9"
    & skf18("5","1","2","10","6","1","1") = "9"
    & skf18("5","1","2","10","6","2","1") = "9"
    & skf18("5","1","2","10","6","3","1") = "9"
    & skf18("5","1","2","10","6","4","1") = "9"
    & skf18("5","1","2","10","6","5","1") = "9"
    & skf18("5","1","2","10","6","6","1") = "9"
    & skf18("5","1","2","10","6","7","1") = "9"
    & skf18("5","1","2","10","6","8","1") = "9"
    & skf18("5","1","2","10","6","9","1") = "9"
    & skf18("5","1","2","10","6","10","1") = "9"
    & skf18("5","1","2","10","7","1","1") = "9"
    & skf18("5","1","2","10","7","2","1") = "9"
    & skf18("5","1","2","10","7","3","1") = "9"
    & skf18("5","1","2","10","7","4","1") = "9"
    & skf18("5","1","2","10","7","5","1") = "9"
    & skf18("5","1","2","10","7","6","1") = "9"
    & skf18("5","1","2","10","7","7","1") = "9"
    & skf18("5","1","2","10","7","8","1") = "9"
    & skf18("5","1","2","10","7","9","1") = "9"
    & skf18("5","1","2","10","7","10","1") = "9"
    & skf18("5","1","2","10","8","1","1") = "9"
    & skf18("5","1","2","10","8","2","1") = "9"
    & skf18("5","1","2","10","8","3","1") = "9"
    & skf18("5","1","2","10","8","4","1") = "9"
    & skf18("5","1","2","10","8","5","1") = "9"
    & skf18("5","1","2","10","8","6","1") = "9"
    & skf18("5","1","2","10","8","7","1") = "9"
    & skf18("5","1","2","10","8","8","1") = "9"
    & skf18("5","1","2","10","8","9","1") = "9"
    & skf18("5","1","2","10","8","10","1") = "9"
    & skf18("5","1","2","10","9","1","1") = "9"
    & skf18("5","1","2","10","9","2","1") = "9"
    & skf18("5","1","2","10","9","3","1") = "9"
    & skf18("5","1","2","10","9","4","1") = "9"
    & skf18("5","1","2","10","9","5","1") = "9"
    & skf18("5","1","2","10","9","6","1") = "9"
    & skf18("5","1","2","10","9","7","1") = "9"
    & skf18("5","1","2","10","9","8","1") = "9"
    & skf18("5","1","2","10","9","9","1") = "9"
    & skf18("5","1","2","10","9","10","1") = "9"
    & skf18("5","1","2","10","10","1","1") = "9"
    & skf18("5","1","2","10","10","2","1") = "9"
    & skf18("5","1","2","10","10","3","1") = "9"
    & skf18("5","1","2","10","10","4","1") = "9"
    & skf18("5","1","2","10","10","5","1") = "9"
    & skf18("5","1","2","10","10","6","1") = "9"
    & skf18("5","1","2","10","10","7","1") = "9"
    & skf18("5","1","2","10","10","8","1") = "9"
    & skf18("5","1","2","10","10","9","1") = "9"
    & skf18("5","1","2","10","10","10","1") = "9"
    & skf18("5","1","3","1","1","1","1") = "4"
    & skf18("5","1","3","1","1","2","1") = "4"
    & skf18("5","1","3","1","1","3","1") = "4"
    & skf18("5","1","3","1","1","4","1") = "4"
    & skf18("5","1","3","1","1","5","1") = "4"
    & skf18("5","1","3","1","1","6","1") = "5"
    & skf18("5","1","3","1","1","7","1") = "6"
    & skf18("5","1","3","1","1","8","1") = "7"
    & skf18("5","1","3","1","1","9","1") = "8"
    & skf18("5","1","3","1","1","10","1") = "9"
    & skf18("5","1","3","1","2","1","1") = "4"
    & skf18("5","1","3","1","2","2","1") = "4"
    & skf18("5","1","3","1","2","3","1") = "4"
    & skf18("5","1","3","1","2","4","1") = "4"
    & skf18("5","1","3","1","2","5","1") = "4"
    & skf18("5","1","3","1","2","6","1") = "5"
    & skf18("5","1","3","1","2","7","1") = "6"
    & skf18("5","1","3","1","2","8","1") = "7"
    & skf18("5","1","3","1","2","9","1") = "8"
    & skf18("5","1","3","1","2","10","1") = "9"
    & skf18("5","1","3","1","3","1","1") = "4"
    & skf18("5","1","3","1","3","2","1") = "4"
    & skf18("5","1","3","1","3","3","1") = "4"
    & skf18("5","1","3","1","3","4","1") = "4"
    & skf18("5","1","3","1","3","5","1") = "4"
    & skf18("5","1","3","1","3","6","1") = "5"
    & skf18("5","1","3","1","3","7","1") = "6"
    & skf18("5","1","3","1","3","8","1") = "7"
    & skf18("5","1","3","1","3","9","1") = "8"
    & skf18("5","1","3","1","3","10","1") = "9"
    & skf18("5","1","3","1","4","1","1") = "4"
    & skf18("5","1","3","1","4","2","1") = "4"
    & skf18("5","1","3","1","4","3","1") = "4"
    & skf18("5","1","3","1","4","4","1") = "4"
    & skf18("5","1","3","1","4","5","1") = "4"
    & skf18("5","1","3","1","4","6","1") = "5"
    & skf18("5","1","3","1","4","7","1") = "6"
    & skf18("5","1","3","1","4","8","1") = "7"
    & skf18("5","1","3","1","4","9","1") = "8"
    & skf18("5","1","3","1","4","10","1") = "9"
    & skf18("5","1","3","1","5","1","1") = "4"
    & skf18("5","1","3","1","5","2","1") = "4"
    & skf18("5","1","3","1","5","3","1") = "4"
    & skf18("5","1","3","1","5","4","1") = "4"
    & skf18("5","1","3","1","5","5","1") = "4"
    & skf18("5","1","3","1","5","6","1") = "5"
    & skf18("5","1","3","1","5","7","1") = "6"
    & skf18("5","1","3","1","5","8","1") = "7"
    & skf18("5","1","3","1","5","9","1") = "8"
    & skf18("5","1","3","1","5","10","1") = "9"
    & skf18("5","1","3","1","6","1","1") = "5"
    & skf18("5","1","3","1","6","2","1") = "5"
    & skf18("5","1","3","1","6","3","1") = "5"
    & skf18("5","1","3","1","6","4","1") = "5"
    & skf18("5","1","3","1","6","5","1") = "5"
    & skf18("5","1","3","1","6","6","1") = "5"
    & skf18("5","1","3","1","6","7","1") = "6"
    & skf18("5","1","3","1","6","8","1") = "7"
    & skf18("5","1","3","1","6","9","1") = "8"
    & skf18("5","1","3","1","6","10","1") = "9"
    & skf18("5","1","3","1","7","1","1") = "6"
    & skf18("5","1","3","1","7","2","1") = "6"
    & skf18("5","1","3","1","7","3","1") = "6"
    & skf18("5","1","3","1","7","4","1") = "6"
    & skf18("5","1","3","1","7","5","1") = "6"
    & skf18("5","1","3","1","7","6","1") = "6"
    & skf18("5","1","3","1","7","7","1") = "6"
    & skf18("5","1","3","1","7","8","1") = "7"
    & skf18("5","1","3","1","7","9","1") = "8"
    & skf18("5","1","3","1","7","10","1") = "9"
    & skf18("5","1","3","1","8","1","1") = "7"
    & skf18("5","1","3","1","8","2","1") = "7"
    & skf18("5","1","3","1","8","3","1") = "7"
    & skf18("5","1","3","1","8","4","1") = "7"
    & skf18("5","1","3","1","8","5","1") = "7"
    & skf18("5","1","3","1","8","6","1") = "7"
    & skf18("5","1","3","1","8","7","1") = "7"
    & skf18("5","1","3","1","8","8","1") = "7"
    & skf18("5","1","3","1","8","9","1") = "8"
    & skf18("5","1","3","1","8","10","1") = "9"
    & skf18("5","1","3","1","9","1","1") = "8"
    & skf18("5","1","3","1","9","2","1") = "8"
    & skf18("5","1","3","1","9","3","1") = "8"
    & skf18("5","1","3","1","9","4","1") = "8"
    & skf18("5","1","3","1","9","5","1") = "8"
    & skf18("5","1","3","1","9","6","1") = "8"
    & skf18("5","1","3","1","9","7","1") = "8"
    & skf18("5","1","3","1","9","8","1") = "8"
    & skf18("5","1","3","1","9","9","1") = "8"
    & skf18("5","1","3","1","9","10","1") = "9"
    & skf18("5","1","3","1","10","1","1") = "9"
    & skf18("5","1","3","1","10","2","1") = "9"
    & skf18("5","1","3","1","10","3","1") = "9"
    & skf18("5","1","3","1","10","4","1") = "9"
    & skf18("5","1","3","1","10","5","1") = "9"
    & skf18("5","1","3","1","10","6","1") = "9"
    & skf18("5","1","3","1","10","7","1") = "9"
    & skf18("5","1","3","1","10","8","1") = "9"
    & skf18("5","1","3","1","10","9","1") = "9"
    & skf18("5","1","3","1","10","10","1") = "9"
    & skf18("5","1","3","2","1","1","1") = "4"
    & skf18("5","1","3","2","1","2","1") = "4"
    & skf18("5","1","3","2","1","3","1") = "4"
    & skf18("5","1","3","2","1","4","1") = "4"
    & skf18("5","1","3","2","1","5","1") = "4"
    & skf18("5","1","3","2","1","6","1") = "5"
    & skf18("5","1","3","2","1","7","1") = "6"
    & skf18("5","1","3","2","1","8","1") = "7"
    & skf18("5","1","3","2","1","9","1") = "8"
    & skf18("5","1","3","2","1","10","1") = "9"
    & skf18("5","1","3","2","2","1","1") = "4"
    & skf18("5","1","3","2","2","2","1") = "4"
    & skf18("5","1","3","2","2","3","1") = "4"
    & skf18("5","1","3","2","2","4","1") = "4"
    & skf18("5","1","3","2","2","5","1") = "4"
    & skf18("5","1","3","2","2","6","1") = "5"
    & skf18("5","1","3","2","2","7","1") = "6"
    & skf18("5","1","3","2","2","8","1") = "7"
    & skf18("5","1","3","2","2","9","1") = "8"
    & skf18("5","1","3","2","2","10","1") = "9"
    & skf18("5","1","3","2","3","1","1") = "4"
    & skf18("5","1","3","2","3","2","1") = "4"
    & skf18("5","1","3","2","3","3","1") = "4"
    & skf18("5","1","3","2","3","4","1") = "4"
    & skf18("5","1","3","2","3","5","1") = "4"
    & skf18("5","1","3","2","3","6","1") = "5"
    & skf18("5","1","3","2","3","7","1") = "6"
    & skf18("5","1","3","2","3","8","1") = "7"
    & skf18("5","1","3","2","3","9","1") = "8"
    & skf18("5","1","3","2","3","10","1") = "9"
    & skf18("5","1","3","2","4","1","1") = "4"
    & skf18("5","1","3","2","4","2","1") = "4"
    & skf18("5","1","3","2","4","3","1") = "4"
    & skf18("5","1","3","2","4","4","1") = "4"
    & skf18("5","1","3","2","4","5","1") = "4"
    & skf18("5","1","3","2","4","6","1") = "5"
    & skf18("5","1","3","2","4","7","1") = "6"
    & skf18("5","1","3","2","4","8","1") = "7"
    & skf18("5","1","3","2","4","9","1") = "8"
    & skf18("5","1","3","2","4","10","1") = "9"
    & skf18("5","1","3","2","5","1","1") = "4"
    & skf18("5","1","3","2","5","2","1") = "4"
    & skf18("5","1","3","2","5","3","1") = "4"
    & skf18("5","1","3","2","5","4","1") = "4"
    & skf18("5","1","3","2","5","5","1") = "4"
    & skf18("5","1","3","2","5","6","1") = "5"
    & skf18("5","1","3","2","5","7","1") = "6"
    & skf18("5","1","3","2","5","8","1") = "7"
    & skf18("5","1","3","2","5","9","1") = "8"
    & skf18("5","1","3","2","5","10","1") = "9"
    & skf18("5","1","3","2","6","1","1") = "5"
    & skf18("5","1","3","2","6","2","1") = "5"
    & skf18("5","1","3","2","6","3","1") = "5"
    & skf18("5","1","3","2","6","4","1") = "5"
    & skf18("5","1","3","2","6","5","1") = "5"
    & skf18("5","1","3","2","6","6","1") = "5"
    & skf18("5","1","3","2","6","7","1") = "6"
    & skf18("5","1","3","2","6","8","1") = "7"
    & skf18("5","1","3","2","6","9","1") = "8"
    & skf18("5","1","3","2","6","10","1") = "9"
    & skf18("5","1","3","2","7","1","1") = "6"
    & skf18("5","1","3","2","7","2","1") = "6"
    & skf18("5","1","3","2","7","3","1") = "6"
    & skf18("5","1","3","2","7","4","1") = "6"
    & skf18("5","1","3","2","7","5","1") = "6"
    & skf18("5","1","3","2","7","6","1") = "6"
    & skf18("5","1","3","2","7","7","1") = "6"
    & skf18("5","1","3","2","7","8","1") = "7"
    & skf18("5","1","3","2","7","9","1") = "8"
    & skf18("5","1","3","2","7","10","1") = "9"
    & skf18("5","1","3","2","8","1","1") = "7"
    & skf18("5","1","3","2","8","2","1") = "7"
    & skf18("5","1","3","2","8","3","1") = "7"
    & skf18("5","1","3","2","8","4","1") = "7"
    & skf18("5","1","3","2","8","5","1") = "7"
    & skf18("5","1","3","2","8","6","1") = "7"
    & skf18("5","1","3","2","8","7","1") = "7"
    & skf18("5","1","3","2","8","8","1") = "7"
    & skf18("5","1","3","2","8","9","1") = "8"
    & skf18("5","1","3","2","8","10","1") = "9"
    & skf18("5","1","3","2","9","1","1") = "8"
    & skf18("5","1","3","2","9","2","1") = "8"
    & skf18("5","1","3","2","9","3","1") = "8"
    & skf18("5","1","3","2","9","4","1") = "8"
    & skf18("5","1","3","2","9","5","1") = "8"
    & skf18("5","1","3","2","9","6","1") = "8"
    & skf18("5","1","3","2","9","7","1") = "8"
    & skf18("5","1","3","2","9","8","1") = "8"
    & skf18("5","1","3","2","9","9","1") = "8"
    & skf18("5","1","3","2","9","10","1") = "9"
    & skf18("5","1","3","2","10","1","1") = "9"
    & skf18("5","1","3","2","10","2","1") = "9"
    & skf18("5","1","3","2","10","3","1") = "9"
    & skf18("5","1","3","2","10","4","1") = "9"
    & skf18("5","1","3","2","10","5","1") = "9"
    & skf18("5","1","3","2","10","6","1") = "9"
    & skf18("5","1","3","2","10","7","1") = "9"
    & skf18("5","1","3","2","10","8","1") = "9"
    & skf18("5","1","3","2","10","9","1") = "9"
    & skf18("5","1","3","2","10","10","1") = "9"
    & skf18("5","1","3","3","1","1","1") = "4"
    & skf18("5","1","3","3","1","2","1") = "4"
    & skf18("5","1","3","3","1","3","1") = "4"
    & skf18("5","1","3","3","1","4","1") = "4"
    & skf18("5","1","3","3","1","5","1") = "4"
    & skf18("5","1","3","3","1","6","1") = "5"
    & skf18("5","1","3","3","1","7","1") = "6"
    & skf18("5","1","3","3","1","8","1") = "7"
    & skf18("5","1","3","3","1","9","1") = "8"
    & skf18("5","1","3","3","1","10","1") = "9"
    & skf18("5","1","3","3","2","1","1") = "4"
    & skf18("5","1","3","3","2","2","1") = "4"
    & skf18("5","1","3","3","2","3","1") = "4"
    & skf18("5","1","3","3","2","4","1") = "4"
    & skf18("5","1","3","3","2","5","1") = "4"
    & skf18("5","1","3","3","2","6","1") = "5"
    & skf18("5","1","3","3","2","7","1") = "6"
    & skf18("5","1","3","3","2","8","1") = "7"
    & skf18("5","1","3","3","2","9","1") = "8"
    & skf18("5","1","3","3","2","10","1") = "9"
    & skf18("5","1","3","3","3","1","1") = "4"
    & skf18("5","1","3","3","3","2","1") = "4"
    & skf18("5","1","3","3","3","3","1") = "4"
    & skf18("5","1","3","3","3","4","1") = "4"
    & skf18("5","1","3","3","3","5","1") = "4"
    & skf18("5","1","3","3","3","6","1") = "5"
    & skf18("5","1","3","3","3","7","1") = "6"
    & skf18("5","1","3","3","3","8","1") = "7"
    & skf18("5","1","3","3","3","9","1") = "8"
    & skf18("5","1","3","3","3","10","1") = "9"
    & skf18("5","1","3","3","4","1","1") = "4"
    & skf18("5","1","3","3","4","2","1") = "4"
    & skf18("5","1","3","3","4","3","1") = "4"
    & skf18("5","1","3","3","4","4","1") = "4"
    & skf18("5","1","3","3","4","5","1") = "4"
    & skf18("5","1","3","3","4","6","1") = "5"
    & skf18("5","1","3","3","4","7","1") = "6"
    & skf18("5","1","3","3","4","8","1") = "7"
    & skf18("5","1","3","3","4","9","1") = "8"
    & skf18("5","1","3","3","4","10","1") = "9"
    & skf18("5","1","3","3","5","1","1") = "4"
    & skf18("5","1","3","3","5","2","1") = "4"
    & skf18("5","1","3","3","5","3","1") = "4"
    & skf18("5","1","3","3","5","4","1") = "4"
    & skf18("5","1","3","3","5","5","1") = "4"
    & skf18("5","1","3","3","5","6","1") = "5"
    & skf18("5","1","3","3","5","7","1") = "6"
    & skf18("5","1","3","3","5","8","1") = "7"
    & skf18("5","1","3","3","5","9","1") = "8"
    & skf18("5","1","3","3","5","10","1") = "9"
    & skf18("5","1","3","3","6","1","1") = "5"
    & skf18("5","1","3","3","6","2","1") = "5"
    & skf18("5","1","3","3","6","3","1") = "5"
    & skf18("5","1","3","3","6","4","1") = "5"
    & skf18("5","1","3","3","6","5","1") = "5"
    & skf18("5","1","3","3","6","6","1") = "5"
    & skf18("5","1","3","3","6","7","1") = "6"
    & skf18("5","1","3","3","6","8","1") = "7"
    & skf18("5","1","3","3","6","9","1") = "8"
    & skf18("5","1","3","3","6","10","1") = "9"
    & skf18("5","1","3","3","7","1","1") = "6"
    & skf18("5","1","3","3","7","2","1") = "6"
    & skf18("5","1","3","3","7","3","1") = "6"
    & skf18("5","1","3","3","7","4","1") = "6"
    & skf18("5","1","3","3","7","5","1") = "6"
    & skf18("5","1","3","3","7","6","1") = "6"
    & skf18("5","1","3","3","7","7","1") = "6"
    & skf18("5","1","3","3","7","8","1") = "7"
    & skf18("5","1","3","3","7","9","1") = "8"
    & skf18("5","1","3","3","7","10","1") = "9"
    & skf18("5","1","3","3","8","1","1") = "7"
    & skf18("5","1","3","3","8","2","1") = "7"
    & skf18("5","1","3","3","8","3","1") = "7"
    & skf18("5","1","3","3","8","4","1") = "7"
    & skf18("5","1","3","3","8","5","1") = "7"
    & skf18("5","1","3","3","8","6","1") = "7"
    & skf18("5","1","3","3","8","7","1") = "7"
    & skf18("5","1","3","3","8","8","1") = "7"
    & skf18("5","1","3","3","8","9","1") = "8"
    & skf18("5","1","3","3","8","10","1") = "9"
    & skf18("5","1","3","3","9","1","1") = "8"
    & skf18("5","1","3","3","9","2","1") = "8"
    & skf18("5","1","3","3","9","3","1") = "8"
    & skf18("5","1","3","3","9","4","1") = "8"
    & skf18("5","1","3","3","9","5","1") = "8"
    & skf18("5","1","3","3","9","6","1") = "8"
    & skf18("5","1","3","3","9","7","1") = "8"
    & skf18("5","1","3","3","9","8","1") = "8"
    & skf18("5","1","3","3","9","9","1") = "8"
    & skf18("5","1","3","3","9","10","1") = "9"
    & skf18("5","1","3","3","10","1","1") = "9"
    & skf18("5","1","3","3","10","2","1") = "9"
    & skf18("5","1","3","3","10","3","1") = "9"
    & skf18("5","1","3","3","10","4","1") = "9"
    & skf18("5","1","3","3","10","5","1") = "9"
    & skf18("5","1","3","3","10","6","1") = "9"
    & skf18("5","1","3","3","10","7","1") = "9"
    & skf18("5","1","3","3","10","8","1") = "9"
    & skf18("5","1","3","3","10","9","1") = "9"
    & skf18("5","1","3","3","10","10","1") = "9"
    & skf18("5","1","3","4","1","1","1") = "4"
    & skf18("5","1","3","4","1","2","1") = "4"
    & skf18("5","1","3","4","1","3","1") = "4"
    & skf18("5","1","3","4","1","4","1") = "4"
    & skf18("5","1","3","4","1","5","1") = "4"
    & skf18("5","1","3","4","1","6","1") = "5"
    & skf18("5","1","3","4","1","7","1") = "6"
    & skf18("5","1","3","4","1","8","1") = "7"
    & skf18("5","1","3","4","1","9","1") = "8"
    & skf18("5","1","3","4","1","10","1") = "9"
    & skf18("5","1","3","4","2","1","1") = "4"
    & skf18("5","1","3","4","2","2","1") = "4"
    & skf18("5","1","3","4","2","3","1") = "4"
    & skf18("5","1","3","4","2","4","1") = "4"
    & skf18("5","1","3","4","2","5","1") = "4"
    & skf18("5","1","3","4","2","6","1") = "5"
    & skf18("5","1","3","4","2","7","1") = "6"
    & skf18("5","1","3","4","2","8","1") = "7"
    & skf18("5","1","3","4","2","9","1") = "8"
    & skf18("5","1","3","4","2","10","1") = "9"
    & skf18("5","1","3","4","3","1","1") = "4"
    & skf18("5","1","3","4","3","2","1") = "4"
    & skf18("5","1","3","4","3","3","1") = "4"
    & skf18("5","1","3","4","3","4","1") = "4"
    & skf18("5","1","3","4","3","5","1") = "4"
    & skf18("5","1","3","4","3","6","1") = "5"
    & skf18("5","1","3","4","3","7","1") = "6"
    & skf18("5","1","3","4","3","8","1") = "7"
    & skf18("5","1","3","4","3","9","1") = "8"
    & skf18("5","1","3","4","3","10","1") = "9"
    & skf18("5","1","3","4","4","1","1") = "4"
    & skf18("5","1","3","4","4","2","1") = "4"
    & skf18("5","1","3","4","4","3","1") = "4"
    & skf18("5","1","3","4","4","4","1") = "4"
    & skf18("5","1","3","4","4","5","1") = "4"
    & skf18("5","1","3","4","4","6","1") = "5"
    & skf18("5","1","3","4","4","7","1") = "6"
    & skf18("5","1","3","4","4","8","1") = "7"
    & skf18("5","1","3","4","4","9","1") = "8"
    & skf18("5","1","3","4","4","10","1") = "9"
    & skf18("5","1","3","4","5","1","1") = "4"
    & skf18("5","1","3","4","5","2","1") = "4"
    & skf18("5","1","3","4","5","3","1") = "4"
    & skf18("5","1","3","4","5","4","1") = "4"
    & skf18("5","1","3","4","5","5","1") = "4"
    & skf18("5","1","3","4","5","6","1") = "5"
    & skf18("5","1","3","4","5","7","1") = "6"
    & skf18("5","1","3","4","5","8","1") = "7"
    & skf18("5","1","3","4","5","9","1") = "8"
    & skf18("5","1","3","4","5","10","1") = "9"
    & skf18("5","1","3","4","6","1","1") = "5"
    & skf18("5","1","3","4","6","2","1") = "5"
    & skf18("5","1","3","4","6","3","1") = "5"
    & skf18("5","1","3","4","6","4","1") = "5"
    & skf18("5","1","3","4","6","5","1") = "5"
    & skf18("5","1","3","4","6","6","1") = "5"
    & skf18("5","1","3","4","6","7","1") = "6"
    & skf18("5","1","3","4","6","8","1") = "7"
    & skf18("5","1","3","4","6","9","1") = "8"
    & skf18("5","1","3","4","6","10","1") = "9"
    & skf18("5","1","3","4","7","1","1") = "6"
    & skf18("5","1","3","4","7","2","1") = "6"
    & skf18("5","1","3","4","7","3","1") = "6"
    & skf18("5","1","3","4","7","4","1") = "6"
    & skf18("5","1","3","4","7","5","1") = "6"
    & skf18("5","1","3","4","7","6","1") = "6"
    & skf18("5","1","3","4","7","7","1") = "6"
    & skf18("5","1","3","4","7","8","1") = "7"
    & skf18("5","1","3","4","7","9","1") = "8"
    & skf18("5","1","3","4","7","10","1") = "9"
    & skf18("5","1","3","4","8","1","1") = "7"
    & skf18("5","1","3","4","8","2","1") = "7"
    & skf18("5","1","3","4","8","3","1") = "7"
    & skf18("5","1","3","4","8","4","1") = "7"
    & skf18("5","1","3","4","8","5","1") = "7"
    & skf18("5","1","3","4","8","6","1") = "7"
    & skf18("5","1","3","4","8","7","1") = "7"
    & skf18("5","1","3","4","8","8","1") = "7"
    & skf18("5","1","3","4","8","9","1") = "8"
    & skf18("5","1","3","4","8","10","1") = "9"
    & skf18("5","1","3","4","9","1","1") = "8"
    & skf18("5","1","3","4","9","2","1") = "8"
    & skf18("5","1","3","4","9","3","1") = "8"
    & skf18("5","1","3","4","9","4","1") = "8"
    & skf18("5","1","3","4","9","5","1") = "8"
    & skf18("5","1","3","4","9","6","1") = "8"
    & skf18("5","1","3","4","9","7","1") = "8"
    & skf18("5","1","3","4","9","8","1") = "8"
    & skf18("5","1","3","4","9","9","1") = "8"
    & skf18("5","1","3","4","9","10","1") = "9"
    & skf18("5","1","3","4","10","1","1") = "9"
    & skf18("5","1","3","4","10","2","1") = "9"
    & skf18("5","1","3","4","10","3","1") = "9"
    & skf18("5","1","3","4","10","4","1") = "9"
    & skf18("5","1","3","4","10","5","1") = "9"
    & skf18("5","1","3","4","10","6","1") = "9"
    & skf18("5","1","3","4","10","7","1") = "9"
    & skf18("5","1","3","4","10","8","1") = "9"
    & skf18("5","1","3","4","10","9","1") = "9"
    & skf18("5","1","3","4","10","10","1") = "9"
    & skf18("5","1","3","5","1","1","1") = "4"
    & skf18("5","1","3","5","1","2","1") = "4"
    & skf18("5","1","3","5","1","3","1") = "4"
    & skf18("5","1","3","5","1","4","1") = "4"
    & skf18("5","1","3","5","1","5","1") = "4"
    & skf18("5","1","3","5","1","6","1") = "5"
    & skf18("5","1","3","5","1","7","1") = "6"
    & skf18("5","1","3","5","1","8","1") = "7"
    & skf18("5","1","3","5","1","9","1") = "8"
    & skf18("5","1","3","5","1","10","1") = "9"
    & skf18("5","1","3","5","2","1","1") = "4"
    & skf18("5","1","3","5","2","2","1") = "4"
    & skf18("5","1","3","5","2","3","1") = "4"
    & skf18("5","1","3","5","2","4","1") = "4"
    & skf18("5","1","3","5","2","5","1") = "4"
    & skf18("5","1","3","5","2","6","1") = "5"
    & skf18("5","1","3","5","2","7","1") = "6"
    & skf18("5","1","3","5","2","8","1") = "7"
    & skf18("5","1","3","5","2","9","1") = "8"
    & skf18("5","1","3","5","2","10","1") = "9"
    & skf18("5","1","3","5","3","1","1") = "4"
    & skf18("5","1","3","5","3","2","1") = "4"
    & skf18("5","1","3","5","3","3","1") = "4"
    & skf18("5","1","3","5","3","4","1") = "4"
    & skf18("5","1","3","5","3","5","1") = "4"
    & skf18("5","1","3","5","3","6","1") = "5"
    & skf18("5","1","3","5","3","7","1") = "6"
    & skf18("5","1","3","5","3","8","1") = "7"
    & skf18("5","1","3","5","3","9","1") = "8"
    & skf18("5","1","3","5","3","10","1") = "9"
    & skf18("5","1","3","5","4","1","1") = "4"
    & skf18("5","1","3","5","4","2","1") = "4"
    & skf18("5","1","3","5","4","3","1") = "4"
    & skf18("5","1","3","5","4","4","1") = "4"
    & skf18("5","1","3","5","4","5","1") = "4"
    & skf18("5","1","3","5","4","6","1") = "5"
    & skf18("5","1","3","5","4","7","1") = "6"
    & skf18("5","1","3","5","4","8","1") = "7"
    & skf18("5","1","3","5","4","9","1") = "8"
    & skf18("5","1","3","5","4","10","1") = "9"
    & skf18("5","1","3","5","5","1","1") = "4"
    & skf18("5","1","3","5","5","2","1") = "4"
    & skf18("5","1","3","5","5","3","1") = "4"
    & skf18("5","1","3","5","5","4","1") = "4"
    & skf18("5","1","3","5","5","5","1") = "4"
    & skf18("5","1","3","5","5","6","1") = "5"
    & skf18("5","1","3","5","5","7","1") = "6"
    & skf18("5","1","3","5","5","8","1") = "7"
    & skf18("5","1","3","5","5","9","1") = "8"
    & skf18("5","1","3","5","5","10","1") = "9"
    & skf18("5","1","3","5","6","1","1") = "5"
    & skf18("5","1","3","5","6","2","1") = "5"
    & skf18("5","1","3","5","6","3","1") = "5"
    & skf18("5","1","3","5","6","4","1") = "5"
    & skf18("5","1","3","5","6","5","1") = "5"
    & skf18("5","1","3","5","6","6","1") = "5"
    & skf18("5","1","3","5","6","7","1") = "6"
    & skf18("5","1","3","5","6","8","1") = "7"
    & skf18("5","1","3","5","6","9","1") = "8"
    & skf18("5","1","3","5","6","10","1") = "9"
    & skf18("5","1","3","5","7","1","1") = "6"
    & skf18("5","1","3","5","7","2","1") = "6"
    & skf18("5","1","3","5","7","3","1") = "6"
    & skf18("5","1","3","5","7","4","1") = "6"
    & skf18("5","1","3","5","7","5","1") = "6"
    & skf18("5","1","3","5","7","6","1") = "6"
    & skf18("5","1","3","5","7","7","1") = "6"
    & skf18("5","1","3","5","7","8","1") = "7"
    & skf18("5","1","3","5","7","9","1") = "8"
    & skf18("5","1","3","5","7","10","1") = "9"
    & skf18("5","1","3","5","8","1","1") = "7"
    & skf18("5","1","3","5","8","2","1") = "7"
    & skf18("5","1","3","5","8","3","1") = "7"
    & skf18("5","1","3","5","8","4","1") = "7"
    & skf18("5","1","3","5","8","5","1") = "7"
    & skf18("5","1","3","5","8","6","1") = "7"
    & skf18("5","1","3","5","8","7","1") = "7"
    & skf18("5","1","3","5","8","8","1") = "7"
    & skf18("5","1","3","5","8","9","1") = "8"
    & skf18("5","1","3","5","8","10","1") = "9"
    & skf18("5","1","3","5","9","1","1") = "8"
    & skf18("5","1","3","5","9","2","1") = "8"
    & skf18("5","1","3","5","9","3","1") = "8"
    & skf18("5","1","3","5","9","4","1") = "8"
    & skf18("5","1","3","5","9","5","1") = "8"
    & skf18("5","1","3","5","9","6","1") = "8"
    & skf18("5","1","3","5","9","7","1") = "8"
    & skf18("5","1","3","5","9","8","1") = "8"
    & skf18("5","1","3","5","9","9","1") = "8"
    & skf18("5","1","3","5","9","10","1") = "9"
    & skf18("5","1","3","5","10","1","1") = "9"
    & skf18("5","1","3","5","10","2","1") = "9"
    & skf18("5","1","3","5","10","3","1") = "9"
    & skf18("5","1","3","5","10","4","1") = "9"
    & skf18("5","1","3","5","10","5","1") = "9"
    & skf18("5","1","3","5","10","6","1") = "9"
    & skf18("5","1","3","5","10","7","1") = "9"
    & skf18("5","1","3","5","10","8","1") = "9"
    & skf18("5","1","3","5","10","9","1") = "9"
    & skf18("5","1","3","5","10","10","1") = "9"
    & skf18("5","1","3","6","1","1","1") = "5"
    & skf18("5","1","3","6","1","2","1") = "5"
    & skf18("5","1","3","6","1","3","1") = "5"
    & skf18("5","1","3","6","1","4","1") = "5"
    & skf18("5","1","3","6","1","5","1") = "5"
    & skf18("5","1","3","6","1","6","1") = "5"
    & skf18("5","1","3","6","1","7","1") = "6"
    & skf18("5","1","3","6","1","8","1") = "7"
    & skf18("5","1","3","6","1","9","1") = "8"
    & skf18("5","1","3","6","1","10","1") = "9"
    & skf18("5","1","3","6","2","1","1") = "5"
    & skf18("5","1","3","6","2","2","1") = "5"
    & skf18("5","1","3","6","2","3","1") = "5"
    & skf18("5","1","3","6","2","4","1") = "5"
    & skf18("5","1","3","6","2","5","1") = "5"
    & skf18("5","1","3","6","2","6","1") = "5"
    & skf18("5","1","3","6","2","7","1") = "6"
    & skf18("5","1","3","6","2","8","1") = "7"
    & skf18("5","1","3","6","2","9","1") = "8"
    & skf18("5","1","3","6","2","10","1") = "9"
    & skf18("5","1","3","6","3","1","1") = "5"
    & skf18("5","1","3","6","3","2","1") = "5"
    & skf18("5","1","3","6","3","3","1") = "5"
    & skf18("5","1","3","6","3","4","1") = "5"
    & skf18("5","1","3","6","3","5","1") = "5"
    & skf18("5","1","3","6","3","6","1") = "5"
    & skf18("5","1","3","6","3","7","1") = "6"
    & skf18("5","1","3","6","3","8","1") = "7"
    & skf18("5","1","3","6","3","9","1") = "8"
    & skf18("5","1","3","6","3","10","1") = "9"
    & skf18("5","1","3","6","4","1","1") = "5"
    & skf18("5","1","3","6","4","2","1") = "5"
    & skf18("5","1","3","6","4","3","1") = "5"
    & skf18("5","1","3","6","4","4","1") = "5"
    & skf18("5","1","3","6","4","5","1") = "5"
    & skf18("5","1","3","6","4","6","1") = "5"
    & skf18("5","1","3","6","4","7","1") = "6"
    & skf18("5","1","3","6","4","8","1") = "7"
    & skf18("5","1","3","6","4","9","1") = "8"
    & skf18("5","1","3","6","4","10","1") = "9"
    & skf18("5","1","3","6","5","1","1") = "5"
    & skf18("5","1","3","6","5","2","1") = "5"
    & skf18("5","1","3","6","5","3","1") = "5"
    & skf18("5","1","3","6","5","4","1") = "5"
    & skf18("5","1","3","6","5","5","1") = "5"
    & skf18("5","1","3","6","5","6","1") = "5"
    & skf18("5","1","3","6","5","7","1") = "6"
    & skf18("5","1","3","6","5","8","1") = "7"
    & skf18("5","1","3","6","5","9","1") = "8"
    & skf18("5","1","3","6","5","10","1") = "9"
    & skf18("5","1","3","6","6","1","1") = "5"
    & skf18("5","1","3","6","6","2","1") = "5"
    & skf18("5","1","3","6","6","3","1") = "5"
    & skf18("5","1","3","6","6","4","1") = "5"
    & skf18("5","1","3","6","6","5","1") = "5"
    & skf18("5","1","3","6","6","6","1") = "5"
    & skf18("5","1","3","6","6","7","1") = "6"
    & skf18("5","1","3","6","6","8","1") = "7"
    & skf18("5","1","3","6","6","9","1") = "8"
    & skf18("5","1","3","6","6","10","1") = "9"
    & skf18("5","1","3","6","7","1","1") = "6"
    & skf18("5","1","3","6","7","2","1") = "6"
    & skf18("5","1","3","6","7","3","1") = "6"
    & skf18("5","1","3","6","7","4","1") = "6"
    & skf18("5","1","3","6","7","5","1") = "6"
    & skf18("5","1","3","6","7","6","1") = "6"
    & skf18("5","1","3","6","7","7","1") = "6"
    & skf18("5","1","3","6","7","8","1") = "7"
    & skf18("5","1","3","6","7","9","1") = "8"
    & skf18("5","1","3","6","7","10","1") = "9"
    & skf18("5","1","3","6","8","1","1") = "7"
    & skf18("5","1","3","6","8","2","1") = "7"
    & skf18("5","1","3","6","8","3","1") = "7"
    & skf18("5","1","3","6","8","4","1") = "7"
    & skf18("5","1","3","6","8","5","1") = "7"
    & skf18("5","1","3","6","8","6","1") = "7"
    & skf18("5","1","3","6","8","7","1") = "7"
    & skf18("5","1","3","6","8","8","1") = "7"
    & skf18("5","1","3","6","8","9","1") = "8"
    & skf18("5","1","3","6","8","10","1") = "9"
    & skf18("5","1","3","6","9","1","1") = "8"
    & skf18("5","1","3","6","9","2","1") = "8"
    & skf18("5","1","3","6","9","3","1") = "8"
    & skf18("5","1","3","6","9","4","1") = "8"
    & skf18("5","1","3","6","9","5","1") = "8"
    & skf18("5","1","3","6","9","6","1") = "8"
    & skf18("5","1","3","6","9","7","1") = "8"
    & skf18("5","1","3","6","9","8","1") = "8"
    & skf18("5","1","3","6","9","9","1") = "8"
    & skf18("5","1","3","6","9","10","1") = "9"
    & skf18("5","1","3","6","10","1","1") = "9"
    & skf18("5","1","3","6","10","2","1") = "9"
    & skf18("5","1","3","6","10","3","1") = "9"
    & skf18("5","1","3","6","10","4","1") = "9"
    & skf18("5","1","3","6","10","5","1") = "9"
    & skf18("5","1","3","6","10","6","1") = "9"
    & skf18("5","1","3","6","10","7","1") = "9"
    & skf18("5","1","3","6","10","8","1") = "9"
    & skf18("5","1","3","6","10","9","1") = "9"
    & skf18("5","1","3","6","10","10","1") = "9"
    & skf18("5","1","3","7","1","1","1") = "6"
    & skf18("5","1","3","7","1","2","1") = "6"
    & skf18("5","1","3","7","1","3","1") = "6"
    & skf18("5","1","3","7","1","4","1") = "6"
    & skf18("5","1","3","7","1","5","1") = "6"
    & skf18("5","1","3","7","1","6","1") = "6"
    & skf18("5","1","3","7","1","7","1") = "6"
    & skf18("5","1","3","7","1","8","1") = "7"
    & skf18("5","1","3","7","1","9","1") = "8"
    & skf18("5","1","3","7","1","10","1") = "9"
    & skf18("5","1","3","7","2","1","1") = "6"
    & skf18("5","1","3","7","2","2","1") = "6"
    & skf18("5","1","3","7","2","3","1") = "6"
    & skf18("5","1","3","7","2","4","1") = "6"
    & skf18("5","1","3","7","2","5","1") = "6"
    & skf18("5","1","3","7","2","6","1") = "6"
    & skf18("5","1","3","7","2","7","1") = "6"
    & skf18("5","1","3","7","2","8","1") = "7"
    & skf18("5","1","3","7","2","9","1") = "8"
    & skf18("5","1","3","7","2","10","1") = "9"
    & skf18("5","1","3","7","3","1","1") = "6"
    & skf18("5","1","3","7","3","2","1") = "6"
    & skf18("5","1","3","7","3","3","1") = "6"
    & skf18("5","1","3","7","3","4","1") = "6"
    & skf18("5","1","3","7","3","5","1") = "6"
    & skf18("5","1","3","7","3","6","1") = "6"
    & skf18("5","1","3","7","3","7","1") = "6"
    & skf18("5","1","3","7","3","8","1") = "7"
    & skf18("5","1","3","7","3","9","1") = "8"
    & skf18("5","1","3","7","3","10","1") = "9"
    & skf18("5","1","3","7","4","1","1") = "6"
    & skf18("5","1","3","7","4","2","1") = "6"
    & skf18("5","1","3","7","4","3","1") = "6"
    & skf18("5","1","3","7","4","4","1") = "6"
    & skf18("5","1","3","7","4","5","1") = "6"
    & skf18("5","1","3","7","4","6","1") = "6"
    & skf18("5","1","3","7","4","7","1") = "6"
    & skf18("5","1","3","7","4","8","1") = "7"
    & skf18("5","1","3","7","4","9","1") = "8"
    & skf18("5","1","3","7","4","10","1") = "9"
    & skf18("5","1","3","7","5","1","1") = "6"
    & skf18("5","1","3","7","5","2","1") = "6"
    & skf18("5","1","3","7","5","3","1") = "6"
    & skf18("5","1","3","7","5","4","1") = "6"
    & skf18("5","1","3","7","5","5","1") = "6"
    & skf18("5","1","3","7","5","6","1") = "6"
    & skf18("5","1","3","7","5","7","1") = "6"
    & skf18("5","1","3","7","5","8","1") = "7"
    & skf18("5","1","3","7","5","9","1") = "8"
    & skf18("5","1","3","7","5","10","1") = "9"
    & skf18("5","1","3","7","6","1","1") = "6"
    & skf18("5","1","3","7","6","2","1") = "6"
    & skf18("5","1","3","7","6","3","1") = "6"
    & skf18("5","1","3","7","6","4","1") = "6"
    & skf18("5","1","3","7","6","5","1") = "6"
    & skf18("5","1","3","7","6","6","1") = "6"
    & skf18("5","1","3","7","6","7","1") = "6"
    & skf18("5","1","3","7","6","8","1") = "7"
    & skf18("5","1","3","7","6","9","1") = "8"
    & skf18("5","1","3","7","6","10","1") = "9"
    & skf18("5","1","3","7","7","1","1") = "6"
    & skf18("5","1","3","7","7","2","1") = "6"
    & skf18("5","1","3","7","7","3","1") = "6"
    & skf18("5","1","3","7","7","4","1") = "6"
    & skf18("5","1","3","7","7","5","1") = "6"
    & skf18("5","1","3","7","7","6","1") = "6"
    & skf18("5","1","3","7","7","7","1") = "6"
    & skf18("5","1","3","7","7","8","1") = "7"
    & skf18("5","1","3","7","7","9","1") = "8"
    & skf18("5","1","3","7","7","10","1") = "9"
    & skf18("5","1","3","7","8","1","1") = "7"
    & skf18("5","1","3","7","8","2","1") = "7"
    & skf18("5","1","3","7","8","3","1") = "7"
    & skf18("5","1","3","7","8","4","1") = "7"
    & skf18("5","1","3","7","8","5","1") = "7"
    & skf18("5","1","3","7","8","6","1") = "7"
    & skf18("5","1","3","7","8","7","1") = "7"
    & skf18("5","1","3","7","8","8","1") = "7"
    & skf18("5","1","3","7","8","9","1") = "8"
    & skf18("5","1","3","7","8","10","1") = "9"
    & skf18("5","1","3","7","9","1","1") = "8"
    & skf18("5","1","3","7","9","2","1") = "8"
    & skf18("5","1","3","7","9","3","1") = "8"
    & skf18("5","1","3","7","9","4","1") = "8"
    & skf18("5","1","3","7","9","5","1") = "8"
    & skf18("5","1","3","7","9","6","1") = "8"
    & skf18("5","1","3","7","9","7","1") = "8"
    & skf18("5","1","3","7","9","8","1") = "8"
    & skf18("5","1","3","7","9","9","1") = "8"
    & skf18("5","1","3","7","9","10","1") = "9"
    & skf18("5","1","3","7","10","1","1") = "9"
    & skf18("5","1","3","7","10","2","1") = "9"
    & skf18("5","1","3","7","10","3","1") = "9"
    & skf18("5","1","3","7","10","4","1") = "9"
    & skf18("5","1","3","7","10","5","1") = "9"
    & skf18("5","1","3","7","10","6","1") = "9"
    & skf18("5","1","3","7","10","7","1") = "9"
    & skf18("5","1","3","7","10","8","1") = "9"
    & skf18("5","1","3","7","10","9","1") = "9"
    & skf18("5","1","3","7","10","10","1") = "9"
    & skf18("5","1","3","8","1","1","1") = "7"
    & skf18("5","1","3","8","1","2","1") = "7"
    & skf18("5","1","3","8","1","3","1") = "7"
    & skf18("5","1","3","8","1","4","1") = "7"
    & skf18("5","1","3","8","1","5","1") = "7"
    & skf18("5","1","3","8","1","6","1") = "7"
    & skf18("5","1","3","8","1","7","1") = "7"
    & skf18("5","1","3","8","1","8","1") = "7"
    & skf18("5","1","3","8","1","9","1") = "8"
    & skf18("5","1","3","8","1","10","1") = "9"
    & skf18("5","1","3","8","2","1","1") = "7"
    & skf18("5","1","3","8","2","2","1") = "7"
    & skf18("5","1","3","8","2","3","1") = "7"
    & skf18("5","1","3","8","2","4","1") = "7"
    & skf18("5","1","3","8","2","5","1") = "7"
    & skf18("5","1","3","8","2","6","1") = "7"
    & skf18("5","1","3","8","2","7","1") = "7"
    & skf18("5","1","3","8","2","8","1") = "7"
    & skf18("5","1","3","8","2","9","1") = "8"
    & skf18("5","1","3","8","2","10","1") = "9"
    & skf18("5","1","3","8","3","1","1") = "7"
    & skf18("5","1","3","8","3","2","1") = "7"
    & skf18("5","1","3","8","3","3","1") = "7"
    & skf18("5","1","3","8","3","4","1") = "7"
    & skf18("5","1","3","8","3","5","1") = "7"
    & skf18("5","1","3","8","3","6","1") = "7"
    & skf18("5","1","3","8","3","7","1") = "7"
    & skf18("5","1","3","8","3","8","1") = "7"
    & skf18("5","1","3","8","3","9","1") = "8"
    & skf18("5","1","3","8","3","10","1") = "9"
    & skf18("5","1","3","8","4","1","1") = "7"
    & skf18("5","1","3","8","4","2","1") = "7"
    & skf18("5","1","3","8","4","3","1") = "7"
    & skf18("5","1","3","8","4","4","1") = "7"
    & skf18("5","1","3","8","4","5","1") = "7"
    & skf18("5","1","3","8","4","6","1") = "7"
    & skf18("5","1","3","8","4","7","1") = "7"
    & skf18("5","1","3","8","4","8","1") = "7"
    & skf18("5","1","3","8","4","9","1") = "8"
    & skf18("5","1","3","8","4","10","1") = "9"
    & skf18("5","1","3","8","5","1","1") = "7"
    & skf18("5","1","3","8","5","2","1") = "7"
    & skf18("5","1","3","8","5","3","1") = "7"
    & skf18("5","1","3","8","5","4","1") = "7"
    & skf18("5","1","3","8","5","5","1") = "7"
    & skf18("5","1","3","8","5","6","1") = "7"
    & skf18("5","1","3","8","5","7","1") = "7"
    & skf18("5","1","3","8","5","8","1") = "7"
    & skf18("5","1","3","8","5","9","1") = "8"
    & skf18("5","1","3","8","5","10","1") = "9"
    & skf18("5","1","3","8","6","1","1") = "7"
    & skf18("5","1","3","8","6","2","1") = "7"
    & skf18("5","1","3","8","6","3","1") = "7"
    & skf18("5","1","3","8","6","4","1") = "7"
    & skf18("5","1","3","8","6","5","1") = "7"
    & skf18("5","1","3","8","6","6","1") = "7"
    & skf18("5","1","3","8","6","7","1") = "7"
    & skf18("5","1","3","8","6","8","1") = "7"
    & skf18("5","1","3","8","6","9","1") = "8"
    & skf18("5","1","3","8","6","10","1") = "9"
    & skf18("5","1","3","8","7","1","1") = "7"
    & skf18("5","1","3","8","7","2","1") = "7"
    & skf18("5","1","3","8","7","3","1") = "7"
    & skf18("5","1","3","8","7","4","1") = "7"
    & skf18("5","1","3","8","7","5","1") = "7"
    & skf18("5","1","3","8","7","6","1") = "7"
    & skf18("5","1","3","8","7","7","1") = "7"
    & skf18("5","1","3","8","7","8","1") = "7"
    & skf18("5","1","3","8","7","9","1") = "8"
    & skf18("5","1","3","8","7","10","1") = "9"
    & skf18("5","1","3","8","8","1","1") = "7"
    & skf18("5","1","3","8","8","2","1") = "7"
    & skf18("5","1","3","8","8","3","1") = "7"
    & skf18("5","1","3","8","8","4","1") = "7"
    & skf18("5","1","3","8","8","5","1") = "7"
    & skf18("5","1","3","8","8","6","1") = "7"
    & skf18("5","1","3","8","8","7","1") = "7"
    & skf18("5","1","3","8","8","8","1") = "7"
    & skf18("5","1","3","8","8","9","1") = "8"
    & skf18("5","1","3","8","8","10","1") = "9"
    & skf18("5","1","3","8","9","1","1") = "8"
    & skf18("5","1","3","8","9","2","1") = "8"
    & skf18("5","1","3","8","9","3","1") = "8"
    & skf18("5","1","3","8","9","4","1") = "8"
    & skf18("5","1","3","8","9","5","1") = "8"
    & skf18("5","1","3","8","9","6","1") = "8"
    & skf18("5","1","3","8","9","7","1") = "8"
    & skf18("5","1","3","8","9","8","1") = "8"
    & skf18("5","1","3","8","9","9","1") = "8"
    & skf18("5","1","3","8","9","10","1") = "9"
    & skf18("5","1","3","8","10","1","1") = "9"
    & skf18("5","1","3","8","10","2","1") = "9"
    & skf18("5","1","3","8","10","3","1") = "9"
    & skf18("5","1","3","8","10","4","1") = "9"
    & skf18("5","1","3","8","10","5","1") = "9"
    & skf18("5","1","3","8","10","6","1") = "9"
    & skf18("5","1","3","8","10","7","1") = "9"
    & skf18("5","1","3","8","10","8","1") = "9"
    & skf18("5","1","3","8","10","9","1") = "9"
    & skf18("5","1","3","8","10","10","1") = "9"
    & skf18("5","1","3","9","1","1","1") = "8"
    & skf18("5","1","3","9","1","2","1") = "8"
    & skf18("5","1","3","9","1","3","1") = "8"
    & skf18("5","1","3","9","1","4","1") = "8"
    & skf18("5","1","3","9","1","5","1") = "8"
    & skf18("5","1","3","9","1","6","1") = "8"
    & skf18("5","1","3","9","1","7","1") = "8"
    & skf18("5","1","3","9","1","8","1") = "8"
    & skf18("5","1","3","9","1","9","1") = "8"
    & skf18("5","1","3","9","1","10","1") = "9"
    & skf18("5","1","3","9","2","1","1") = "8"
    & skf18("5","1","3","9","2","2","1") = "8"
    & skf18("5","1","3","9","2","3","1") = "8"
    & skf18("5","1","3","9","2","4","1") = "8"
    & skf18("5","1","3","9","2","5","1") = "8"
    & skf18("5","1","3","9","2","6","1") = "8"
    & skf18("5","1","3","9","2","7","1") = "8"
    & skf18("5","1","3","9","2","8","1") = "8"
    & skf18("5","1","3","9","2","9","1") = "8"
    & skf18("5","1","3","9","2","10","1") = "9"
    & skf18("5","1","3","9","3","1","1") = "8"
    & skf18("5","1","3","9","3","2","1") = "8"
    & skf18("5","1","3","9","3","3","1") = "8"
    & skf18("5","1","3","9","3","4","1") = "8"
    & skf18("5","1","3","9","3","5","1") = "8"
    & skf18("5","1","3","9","3","6","1") = "8"
    & skf18("5","1","3","9","3","7","1") = "8"
    & skf18("5","1","3","9","3","8","1") = "8"
    & skf18("5","1","3","9","3","9","1") = "8"
    & skf18("5","1","3","9","3","10","1") = "9"
    & skf18("5","1","3","9","4","1","1") = "8"
    & skf18("5","1","3","9","4","2","1") = "8"
    & skf18("5","1","3","9","4","3","1") = "8"
    & skf18("5","1","3","9","4","4","1") = "8"
    & skf18("5","1","3","9","4","5","1") = "8"
    & skf18("5","1","3","9","4","6","1") = "8"
    & skf18("5","1","3","9","4","7","1") = "8"
    & skf18("5","1","3","9","4","8","1") = "8"
    & skf18("5","1","3","9","4","9","1") = "8"
    & skf18("5","1","3","9","4","10","1") = "9"
    & skf18("5","1","3","9","5","1","1") = "8"
    & skf18("5","1","3","9","5","2","1") = "8"
    & skf18("5","1","3","9","5","3","1") = "8"
    & skf18("5","1","3","9","5","4","1") = "8"
    & skf18("5","1","3","9","5","5","1") = "8"
    & skf18("5","1","3","9","5","6","1") = "8"
    & skf18("5","1","3","9","5","7","1") = "8"
    & skf18("5","1","3","9","5","8","1") = "8"
    & skf18("5","1","3","9","5","9","1") = "8"
    & skf18("5","1","3","9","5","10","1") = "9"
    & skf18("5","1","3","9","6","1","1") = "8"
    & skf18("5","1","3","9","6","2","1") = "8"
    & skf18("5","1","3","9","6","3","1") = "8"
    & skf18("5","1","3","9","6","4","1") = "8"
    & skf18("5","1","3","9","6","5","1") = "8"
    & skf18("5","1","3","9","6","6","1") = "8"
    & skf18("5","1","3","9","6","7","1") = "8"
    & skf18("5","1","3","9","6","8","1") = "8"
    & skf18("5","1","3","9","6","9","1") = "8"
    & skf18("5","1","3","9","6","10","1") = "9"
    & skf18("5","1","3","9","7","1","1") = "8"
    & skf18("5","1","3","9","7","2","1") = "8"
    & skf18("5","1","3","9","7","3","1") = "8"
    & skf18("5","1","3","9","7","4","1") = "8"
    & skf18("5","1","3","9","7","5","1") = "8"
    & skf18("5","1","3","9","7","6","1") = "8"
    & skf18("5","1","3","9","7","7","1") = "8"
    & skf18("5","1","3","9","7","8","1") = "8"
    & skf18("5","1","3","9","7","9","1") = "8"
    & skf18("5","1","3","9","7","10","1") = "9"
    & skf18("5","1","3","9","8","1","1") = "8"
    & skf18("5","1","3","9","8","2","1") = "8"
    & skf18("5","1","3","9","8","3","1") = "8"
    & skf18("5","1","3","9","8","4","1") = "8"
    & skf18("5","1","3","9","8","5","1") = "8"
    & skf18("5","1","3","9","8","6","1") = "8"
    & skf18("5","1","3","9","8","7","1") = "8"
    & skf18("5","1","3","9","8","8","1") = "8"
    & skf18("5","1","3","9","8","9","1") = "8"
    & skf18("5","1","3","9","8","10","1") = "9"
    & skf18("5","1","3","9","9","1","1") = "8"
    & skf18("5","1","3","9","9","2","1") = "8"
    & skf18("5","1","3","9","9","3","1") = "8"
    & skf18("5","1","3","9","9","4","1") = "8"
    & skf18("5","1","3","9","9","5","1") = "8"
    & skf18("5","1","3","9","9","6","1") = "8"
    & skf18("5","1","3","9","9","7","1") = "8"
    & skf18("5","1","3","9","9","8","1") = "8"
    & skf18("5","1","3","9","9","9","1") = "8"
    & skf18("5","1","3","9","9","10","1") = "9"
    & skf18("5","1","3","9","10","1","1") = "9"
    & skf18("5","1","3","9","10","2","1") = "9"
    & skf18("5","1","3","9","10","3","1") = "9"
    & skf18("5","1","3","9","10","4","1") = "9"
    & skf18("5","1","3","9","10","5","1") = "9"
    & skf18("5","1","3","9","10","6","1") = "9"
    & skf18("5","1","3","9","10","7","1") = "9"
    & skf18("5","1","3","9","10","8","1") = "9"
    & skf18("5","1","3","9","10","9","1") = "9"
    & skf18("5","1","3","9","10","10","1") = "9"
    & skf18("5","1","3","10","1","1","1") = "9"
    & skf18("5","1","3","10","1","2","1") = "9"
    & skf18("5","1","3","10","1","3","1") = "9"
    & skf18("5","1","3","10","1","4","1") = "9"
    & skf18("5","1","3","10","1","5","1") = "9"
    & skf18("5","1","3","10","1","6","1") = "9"
    & skf18("5","1","3","10","1","7","1") = "9"
    & skf18("5","1","3","10","1","8","1") = "9"
    & skf18("5","1","3","10","1","9","1") = "9"
    & skf18("5","1","3","10","1","10","1") = "9"
    & skf18("5","1","3","10","2","1","1") = "9"
    & skf18("5","1","3","10","2","2","1") = "9"
    & skf18("5","1","3","10","2","3","1") = "9"
    & skf18("5","1","3","10","2","4","1") = "9"
    & skf18("5","1","3","10","2","5","1") = "9"
    & skf18("5","1","3","10","2","6","1") = "9"
    & skf18("5","1","3","10","2","7","1") = "9"
    & skf18("5","1","3","10","2","8","1") = "9"
    & skf18("5","1","3","10","2","9","1") = "9"
    & skf18("5","1","3","10","2","10","1") = "9"
    & skf18("5","1","3","10","3","1","1") = "9"
    & skf18("5","1","3","10","3","2","1") = "9"
    & skf18("5","1","3","10","3","3","1") = "9"
    & skf18("5","1","3","10","3","4","1") = "9"
    & skf18("5","1","3","10","3","5","1") = "9"
    & skf18("5","1","3","10","3","6","1") = "9"
    & skf18("5","1","3","10","3","7","1") = "9"
    & skf18("5","1","3","10","3","8","1") = "9"
    & skf18("5","1","3","10","3","9","1") = "9"
    & skf18("5","1","3","10","3","10","1") = "9"
    & skf18("5","1","3","10","4","1","1") = "9"
    & skf18("5","1","3","10","4","2","1") = "9"
    & skf18("5","1","3","10","4","3","1") = "9"
    & skf18("5","1","3","10","4","4","1") = "9"
    & skf18("5","1","3","10","4","5","1") = "9"
    & skf18("5","1","3","10","4","6","1") = "9"
    & skf18("5","1","3","10","4","7","1") = "9"
    & skf18("5","1","3","10","4","8","1") = "9"
    & skf18("5","1","3","10","4","9","1") = "9"
    & skf18("5","1","3","10","4","10","1") = "9"
    & skf18("5","1","3","10","5","1","1") = "9"
    & skf18("5","1","3","10","5","2","1") = "9"
    & skf18("5","1","3","10","5","3","1") = "9"
    & skf18("5","1","3","10","5","4","1") = "9"
    & skf18("5","1","3","10","5","5","1") = "9"
    & skf18("5","1","3","10","5","6","1") = "9"
    & skf18("5","1","3","10","5","7","1") = "9"
    & skf18("5","1","3","10","5","8","1") = "9"
    & skf18("5","1","3","10","5","9","1") = "9"
    & skf18("5","1","3","10","5","10","1") = "9"
    & skf18("5","1","3","10","6","1","1") = "9"
    & skf18("5","1","3","10","6","2","1") = "9"
    & skf18("5","1","3","10","6","3","1") = "9"
    & skf18("5","1","3","10","6","4","1") = "9"
    & skf18("5","1","3","10","6","5","1") = "9"
    & skf18("5","1","3","10","6","6","1") = "9"
    & skf18("5","1","3","10","6","7","1") = "9"
    & skf18("5","1","3","10","6","8","1") = "9"
    & skf18("5","1","3","10","6","9","1") = "9"
    & skf18("5","1","3","10","6","10","1") = "9"
    & skf18("5","1","3","10","7","1","1") = "9"
    & skf18("5","1","3","10","7","2","1") = "9"
    & skf18("5","1","3","10","7","3","1") = "9"
    & skf18("5","1","3","10","7","4","1") = "9"
    & skf18("5","1","3","10","7","5","1") = "9"
    & skf18("5","1","3","10","7","6","1") = "9"
    & skf18("5","1","3","10","7","7","1") = "9"
    & skf18("5","1","3","10","7","8","1") = "9"
    & skf18("5","1","3","10","7","9","1") = "9"
    & skf18("5","1","3","10","7","10","1") = "9"
    & skf18("5","1","3","10","8","1","1") = "9"
    & skf18("5","1","3","10","8","2","1") = "9"
    & skf18("5","1","3","10","8","3","1") = "9"
    & skf18("5","1","3","10","8","4","1") = "9"
    & skf18("5","1","3","10","8","5","1") = "9"
    & skf18("5","1","3","10","8","6","1") = "9"
    & skf18("5","1","3","10","8","7","1") = "9"
    & skf18("5","1","3","10","8","8","1") = "9"
    & skf18("5","1","3","10","8","9","1") = "9"
    & skf18("5","1","3","10","8","10","1") = "9"
    & skf18("5","1","3","10","9","1","1") = "9"
    & skf18("5","1","3","10","9","2","1") = "9"
    & skf18("5","1","3","10","9","3","1") = "9"
    & skf18("5","1","3","10","9","4","1") = "9"
    & skf18("5","1","3","10","9","5","1") = "9"
    & skf18("5","1","3","10","9","6","1") = "9"
    & skf18("5","1","3","10","9","7","1") = "9"
    & skf18("5","1","3","10","9","8","1") = "9"
    & skf18("5","1","3","10","9","9","1") = "9"
    & skf18("5","1","3","10","9","10","1") = "9"
    & skf18("5","1","3","10","10","1","1") = "9"
    & skf18("5","1","3","10","10","2","1") = "9"
    & skf18("5","1","3","10","10","3","1") = "9"
    & skf18("5","1","3","10","10","4","1") = "9"
    & skf18("5","1","3","10","10","5","1") = "9"
    & skf18("5","1","3","10","10","6","1") = "9"
    & skf18("5","1","3","10","10","7","1") = "9"
    & skf18("5","1","3","10","10","8","1") = "9"
    & skf18("5","1","3","10","10","9","1") = "9"
    & skf18("5","1","3","10","10","10","1") = "9"
    & skf18("5","1","4","1","1","1","1") = "4"
    & skf18("5","1","4","1","1","2","1") = "4"
    & skf18("5","1","4","1","1","3","1") = "4"
    & skf18("5","1","4","1","1","4","1") = "4"
    & skf18("5","1","4","1","1","5","1") = "4"
    & skf18("5","1","4","1","1","6","1") = "5"
    & skf18("5","1","4","1","1","7","1") = "6"
    & skf18("5","1","4","1","1","8","1") = "7"
    & skf18("5","1","4","1","1","9","1") = "8"
    & skf18("5","1","4","1","1","10","1") = "9"
    & skf18("5","1","4","1","2","1","1") = "4"
    & skf18("5","1","4","1","2","2","1") = "4"
    & skf18("5","1","4","1","2","3","1") = "4"
    & skf18("5","1","4","1","2","4","1") = "4"
    & skf18("5","1","4","1","2","5","1") = "4"
    & skf18("5","1","4","1","2","6","1") = "5"
    & skf18("5","1","4","1","2","7","1") = "6"
    & skf18("5","1","4","1","2","8","1") = "7"
    & skf18("5","1","4","1","2","9","1") = "8"
    & skf18("5","1","4","1","2","10","1") = "9"
    & skf18("5","1","4","1","3","1","1") = "4"
    & skf18("5","1","4","1","3","2","1") = "4"
    & skf18("5","1","4","1","3","3","1") = "4"
    & skf18("5","1","4","1","3","4","1") = "4"
    & skf18("5","1","4","1","3","5","1") = "4"
    & skf18("5","1","4","1","3","6","1") = "5"
    & skf18("5","1","4","1","3","7","1") = "6"
    & skf18("5","1","4","1","3","8","1") = "7"
    & skf18("5","1","4","1","3","9","1") = "8"
    & skf18("5","1","4","1","3","10","1") = "9"
    & skf18("5","1","4","1","4","1","1") = "4"
    & skf18("5","1","4","1","4","2","1") = "4"
    & skf18("5","1","4","1","4","3","1") = "4"
    & skf18("5","1","4","1","4","4","1") = "4"
    & skf18("5","1","4","1","4","5","1") = "4"
    & skf18("5","1","4","1","4","6","1") = "5"
    & skf18("5","1","4","1","4","7","1") = "6"
    & skf18("5","1","4","1","4","8","1") = "7"
    & skf18("5","1","4","1","4","9","1") = "8"
    & skf18("5","1","4","1","4","10","1") = "9"
    & skf18("5","1","4","1","5","1","1") = "4"
    & skf18("5","1","4","1","5","2","1") = "4"
    & skf18("5","1","4","1","5","3","1") = "4"
    & skf18("5","1","4","1","5","4","1") = "4"
    & skf18("5","1","4","1","5","5","1") = "4"
    & skf18("5","1","4","1","5","6","1") = "5"
    & skf18("5","1","4","1","5","7","1") = "6"
    & skf18("5","1","4","1","5","8","1") = "7"
    & skf18("5","1","4","1","5","9","1") = "8"
    & skf18("5","1","4","1","5","10","1") = "9"
    & skf18("5","1","4","1","6","1","1") = "5"
    & skf18("5","1","4","1","6","2","1") = "5"
    & skf18("5","1","4","1","6","3","1") = "5"
    & skf18("5","1","4","1","6","4","1") = "5"
    & skf18("5","1","4","1","6","5","1") = "5"
    & skf18("5","1","4","1","6","6","1") = "5"
    & skf18("5","1","4","1","6","7","1") = "6"
    & skf18("5","1","4","1","6","8","1") = "7"
    & skf18("5","1","4","1","6","9","1") = "8"
    & skf18("5","1","4","1","6","10","1") = "9"
    & skf18("5","1","4","1","7","1","1") = "6"
    & skf18("5","1","4","1","7","2","1") = "6"
    & skf18("5","1","4","1","7","3","1") = "6"
    & skf18("5","1","4","1","7","4","1") = "6"
    & skf18("5","1","4","1","7","5","1") = "6"
    & skf18("5","1","4","1","7","6","1") = "6"
    & skf18("5","1","4","1","7","7","1") = "6"
    & skf18("5","1","4","1","7","8","1") = "7"
    & skf18("5","1","4","1","7","9","1") = "8"
    & skf18("5","1","4","1","7","10","1") = "9"
    & skf18("5","1","4","1","8","1","1") = "7"
    & skf18("5","1","4","1","8","2","1") = "7"
    & skf18("5","1","4","1","8","3","1") = "7"
    & skf18("5","1","4","1","8","4","1") = "7"
    & skf18("5","1","4","1","8","5","1") = "7"
    & skf18("5","1","4","1","8","6","1") = "7"
    & skf18("5","1","4","1","8","7","1") = "7"
    & skf18("5","1","4","1","8","8","1") = "7"
    & skf18("5","1","4","1","8","9","1") = "8"
    & skf18("5","1","4","1","8","10","1") = "9"
    & skf18("5","1","4","1","9","1","1") = "8"
    & skf18("5","1","4","1","9","2","1") = "8"
    & skf18("5","1","4","1","9","3","1") = "8"
    & skf18("5","1","4","1","9","4","1") = "8"
    & skf18("5","1","4","1","9","5","1") = "8"
    & skf18("5","1","4","1","9","6","1") = "8"
    & skf18("5","1","4","1","9","7","1") = "8"
    & skf18("5","1","4","1","9","8","1") = "8"
    & skf18("5","1","4","1","9","9","1") = "8"
    & skf18("5","1","4","1","9","10","1") = "9"
    & skf18("5","1","4","1","10","1","1") = "9"
    & skf18("5","1","4","1","10","2","1") = "9"
    & skf18("5","1","4","1","10","3","1") = "9"
    & skf18("5","1","4","1","10","4","1") = "9"
    & skf18("5","1","4","1","10","5","1") = "9"
    & skf18("5","1","4","1","10","6","1") = "9"
    & skf18("5","1","4","1","10","7","1") = "9"
    & skf18("5","1","4","1","10","8","1") = "9"
    & skf18("5","1","4","1","10","9","1") = "9"
    & skf18("5","1","4","1","10","10","1") = "9"
    & skf18("5","1","4","2","1","1","1") = "4"
    & skf18("5","1","4","2","1","2","1") = "4"
    & skf18("5","1","4","2","1","3","1") = "4"
    & skf18("5","1","4","2","1","4","1") = "4"
    & skf18("5","1","4","2","1","5","1") = "4"
    & skf18("5","1","4","2","1","6","1") = "5"
    & skf18("5","1","4","2","1","7","1") = "6"
    & skf18("5","1","4","2","1","8","1") = "7"
    & skf18("5","1","4","2","1","9","1") = "8"
    & skf18("5","1","4","2","1","10","1") = "9"
    & skf18("5","1","4","2","2","1","1") = "4"
    & skf18("5","1","4","2","2","2","1") = "4"
    & skf18("5","1","4","2","2","3","1") = "4"
    & skf18("5","1","4","2","2","4","1") = "4"
    & skf18("5","1","4","2","2","5","1") = "4"
    & skf18("5","1","4","2","2","6","1") = "5"
    & skf18("5","1","4","2","2","7","1") = "6"
    & skf18("5","1","4","2","2","8","1") = "7"
    & skf18("5","1","4","2","2","9","1") = "8"
    & skf18("5","1","4","2","2","10","1") = "9"
    & skf18("5","1","4","2","3","1","1") = "4"
    & skf18("5","1","4","2","3","2","1") = "4"
    & skf18("5","1","4","2","3","3","1") = "4"
    & skf18("5","1","4","2","3","4","1") = "4"
    & skf18("5","1","4","2","3","5","1") = "4"
    & skf18("5","1","4","2","3","6","1") = "5"
    & skf18("5","1","4","2","3","7","1") = "6"
    & skf18("5","1","4","2","3","8","1") = "7"
    & skf18("5","1","4","2","3","9","1") = "8"
    & skf18("5","1","4","2","3","10","1") = "9"
    & skf18("5","1","4","2","4","1","1") = "4"
    & skf18("5","1","4","2","4","2","1") = "4"
    & skf18("5","1","4","2","4","3","1") = "4"
    & skf18("5","1","4","2","4","4","1") = "4"
    & skf18("5","1","4","2","4","5","1") = "4"
    & skf18("5","1","4","2","4","6","1") = "5"
    & skf18("5","1","4","2","4","7","1") = "6"
    & skf18("5","1","4","2","4","8","1") = "7"
    & skf18("5","1","4","2","4","9","1") = "8"
    & skf18("5","1","4","2","4","10","1") = "9"
    & skf18("5","1","4","2","5","1","1") = "4"
    & skf18("5","1","4","2","5","2","1") = "4"
    & skf18("5","1","4","2","5","3","1") = "4"
    & skf18("5","1","4","2","5","4","1") = "4"
    & skf18("5","1","4","2","5","5","1") = "4"
    & skf18("5","1","4","2","5","6","1") = "5"
    & skf18("5","1","4","2","5","7","1") = "6"
    & skf18("5","1","4","2","5","8","1") = "7"
    & skf18("5","1","4","2","5","9","1") = "8"
    & skf18("5","1","4","2","5","10","1") = "9"
    & skf18("5","1","4","2","6","1","1") = "5"
    & skf18("5","1","4","2","6","2","1") = "5"
    & skf18("5","1","4","2","6","3","1") = "5"
    & skf18("5","1","4","2","6","4","1") = "5"
    & skf18("5","1","4","2","6","5","1") = "5"
    & skf18("5","1","4","2","6","6","1") = "5"
    & skf18("5","1","4","2","6","7","1") = "6"
    & skf18("5","1","4","2","6","8","1") = "7"
    & skf18("5","1","4","2","6","9","1") = "8"
    & skf18("5","1","4","2","6","10","1") = "9"
    & skf18("5","1","4","2","7","1","1") = "6"
    & skf18("5","1","4","2","7","2","1") = "6"
    & skf18("5","1","4","2","7","3","1") = "6"
    & skf18("5","1","4","2","7","4","1") = "6"
    & skf18("5","1","4","2","7","5","1") = "6"
    & skf18("5","1","4","2","7","6","1") = "6"
    & skf18("5","1","4","2","7","7","1") = "6"
    & skf18("5","1","4","2","7","8","1") = "7"
    & skf18("5","1","4","2","7","9","1") = "8"
    & skf18("5","1","4","2","7","10","1") = "9"
    & skf18("5","1","4","2","8","1","1") = "7"
    & skf18("5","1","4","2","8","2","1") = "7"
    & skf18("5","1","4","2","8","3","1") = "7"
    & skf18("5","1","4","2","8","4","1") = "7"
    & skf18("5","1","4","2","8","5","1") = "7"
    & skf18("5","1","4","2","8","6","1") = "7"
    & skf18("5","1","4","2","8","7","1") = "7"
    & skf18("5","1","4","2","8","8","1") = "7"
    & skf18("5","1","4","2","8","9","1") = "8"
    & skf18("5","1","4","2","8","10","1") = "9"
    & skf18("5","1","4","2","9","1","1") = "8"
    & skf18("5","1","4","2","9","2","1") = "8"
    & skf18("5","1","4","2","9","3","1") = "8"
    & skf18("5","1","4","2","9","4","1") = "8"
    & skf18("5","1","4","2","9","5","1") = "8"
    & skf18("5","1","4","2","9","6","1") = "8"
    & skf18("5","1","4","2","9","7","1") = "8"
    & skf18("5","1","4","2","9","8","1") = "8"
    & skf18("5","1","4","2","9","9","1") = "8"
    & skf18("5","1","4","2","9","10","1") = "9"
    & skf18("5","1","4","2","10","1","1") = "9"
    & skf18("5","1","4","2","10","2","1") = "9"
    & skf18("5","1","4","2","10","3","1") = "9"
    & skf18("5","1","4","2","10","4","1") = "9"
    & skf18("5","1","4","2","10","5","1") = "9"
    & skf18("5","1","4","2","10","6","1") = "9"
    & skf18("5","1","4","2","10","7","1") = "9"
    & skf18("5","1","4","2","10","8","1") = "9"
    & skf18("5","1","4","2","10","9","1") = "9"
    & skf18("5","1","4","2","10","10","1") = "9"
    & skf18("5","1","4","3","1","1","1") = "4"
    & skf18("5","1","4","3","1","2","1") = "4"
    & skf18("5","1","4","3","1","3","1") = "4"
    & skf18("5","1","4","3","1","4","1") = "4"
    & skf18("5","1","4","3","1","5","1") = "4"
    & skf18("5","1","4","3","1","6","1") = "5"
    & skf18("5","1","4","3","1","7","1") = "6"
    & skf18("5","1","4","3","1","8","1") = "7"
    & skf18("5","1","4","3","1","9","1") = "8"
    & skf18("5","1","4","3","1","10","1") = "9"
    & skf18("5","1","4","3","2","1","1") = "4"
    & skf18("5","1","4","3","2","2","1") = "4"
    & skf18("5","1","4","3","2","3","1") = "4"
    & skf18("5","1","4","3","2","4","1") = "4"
    & skf18("5","1","4","3","2","5","1") = "4"
    & skf18("5","1","4","3","2","6","1") = "5"
    & skf18("5","1","4","3","2","7","1") = "6"
    & skf18("5","1","4","3","2","8","1") = "7"
    & skf18("5","1","4","3","2","9","1") = "8"
    & skf18("5","1","4","3","2","10","1") = "9"
    & skf18("5","1","4","3","3","1","1") = "4"
    & skf18("5","1","4","3","3","2","1") = "4"
    & skf18("5","1","4","3","3","3","1") = "4"
    & skf18("5","1","4","3","3","4","1") = "4"
    & skf18("5","1","4","3","3","5","1") = "4"
    & skf18("5","1","4","3","3","6","1") = "5"
    & skf18("5","1","4","3","3","7","1") = "6"
    & skf18("5","1","4","3","3","8","1") = "7"
    & skf18("5","1","4","3","3","9","1") = "8"
    & skf18("5","1","4","3","3","10","1") = "9"
    & skf18("5","1","4","3","4","1","1") = "4"
    & skf18("5","1","4","3","4","2","1") = "4"
    & skf18("5","1","4","3","4","3","1") = "4"
    & skf18("5","1","4","3","4","4","1") = "4"
    & skf18("5","1","4","3","4","5","1") = "4"
    & skf18("5","1","4","3","4","6","1") = "5"
    & skf18("5","1","4","3","4","7","1") = "6"
    & skf18("5","1","4","3","4","8","1") = "7"
    & skf18("5","1","4","3","4","9","1") = "8"
    & skf18("5","1","4","3","4","10","1") = "9"
    & skf18("5","1","4","3","5","1","1") = "4"
    & skf18("5","1","4","3","5","2","1") = "4"
    & skf18("5","1","4","3","5","3","1") = "4"
    & skf18("5","1","4","3","5","4","1") = "4"
    & skf18("5","1","4","3","5","5","1") = "4"
    & skf18("5","1","4","3","5","6","1") = "5"
    & skf18("5","1","4","3","5","7","1") = "6"
    & skf18("5","1","4","3","5","8","1") = "7"
    & skf18("5","1","4","3","5","9","1") = "8"
    & skf18("5","1","4","3","5","10","1") = "9"
    & skf18("5","1","4","3","6","1","1") = "5"
    & skf18("5","1","4","3","6","2","1") = "5"
    & skf18("5","1","4","3","6","3","1") = "5"
    & skf18("5","1","4","3","6","4","1") = "5"
    & skf18("5","1","4","3","6","5","1") = "5"
    & skf18("5","1","4","3","6","6","1") = "5"
    & skf18("5","1","4","3","6","7","1") = "6"
    & skf18("5","1","4","3","6","8","1") = "7"
    & skf18("5","1","4","3","6","9","1") = "8"
    & skf18("5","1","4","3","6","10","1") = "9"
    & skf18("5","1","4","3","7","1","1") = "6"
    & skf18("5","1","4","3","7","2","1") = "6"
    & skf18("5","1","4","3","7","3","1") = "6"
    & skf18("5","1","4","3","7","4","1") = "6"
    & skf18("5","1","4","3","7","5","1") = "6"
    & skf18("5","1","4","3","7","6","1") = "6"
    & skf18("5","1","4","3","7","7","1") = "6"
    & skf18("5","1","4","3","7","8","1") = "7"
    & skf18("5","1","4","3","7","9","1") = "8"
    & skf18("5","1","4","3","7","10","1") = "9"
    & skf18("5","1","4","3","8","1","1") = "7"
    & skf18("5","1","4","3","8","2","1") = "7"
    & skf18("5","1","4","3","8","3","1") = "7"
    & skf18("5","1","4","3","8","4","1") = "7"
    & skf18("5","1","4","3","8","5","1") = "7"
    & skf18("5","1","4","3","8","6","1") = "7"
    & skf18("5","1","4","3","8","7","1") = "7"
    & skf18("5","1","4","3","8","8","1") = "7"
    & skf18("5","1","4","3","8","9","1") = "8"
    & skf18("5","1","4","3","8","10","1") = "9"
    & skf18("5","1","4","3","9","1","1") = "8"
    & skf18("5","1","4","3","9","2","1") = "8"
    & skf18("5","1","4","3","9","3","1") = "8"
    & skf18("5","1","4","3","9","4","1") = "8"
    & skf18("5","1","4","3","9","5","1") = "8"
    & skf18("5","1","4","3","9","6","1") = "8"
    & skf18("5","1","4","3","9","7","1") = "8"
    & skf18("5","1","4","3","9","8","1") = "8"
    & skf18("5","1","4","3","9","9","1") = "8"
    & skf18("5","1","4","3","9","10","1") = "9"
    & skf18("5","1","4","3","10","1","1") = "9"
    & skf18("5","1","4","3","10","2","1") = "9"
    & skf18("5","1","4","3","10","3","1") = "9"
    & skf18("5","1","4","3","10","4","1") = "9"
    & skf18("5","1","4","3","10","5","1") = "9"
    & skf18("5","1","4","3","10","6","1") = "9"
    & skf18("5","1","4","3","10","7","1") = "9"
    & skf18("5","1","4","3","10","8","1") = "9"
    & skf18("5","1","4","3","10","9","1") = "9"
    & skf18("5","1","4","3","10","10","1") = "9"
    & skf18("5","1","4","4","1","1","1") = "4"
    & skf18("5","1","4","4","1","2","1") = "4"
    & skf18("5","1","4","4","1","3","1") = "4"
    & skf18("5","1","4","4","1","4","1") = "4"
    & skf18("5","1","4","4","1","5","1") = "4"
    & skf18("5","1","4","4","1","6","1") = "5"
    & skf18("5","1","4","4","1","7","1") = "6"
    & skf18("5","1","4","4","1","8","1") = "7"
    & skf18("5","1","4","4","1","9","1") = "8"
    & skf18("5","1","4","4","1","10","1") = "9"
    & skf18("5","1","4","4","2","1","1") = "4"
    & skf18("5","1","4","4","2","2","1") = "4"
    & skf18("5","1","4","4","2","3","1") = "4"
    & skf18("5","1","4","4","2","4","1") = "4"
    & skf18("5","1","4","4","2","5","1") = "4"
    & skf18("5","1","4","4","2","6","1") = "5"
    & skf18("5","1","4","4","2","7","1") = "6"
    & skf18("5","1","4","4","2","8","1") = "7"
    & skf18("5","1","4","4","2","9","1") = "8"
    & skf18("5","1","4","4","2","10","1") = "9"
    & skf18("5","1","4","4","3","1","1") = "4"
    & skf18("5","1","4","4","3","2","1") = "4"
    & skf18("5","1","4","4","3","3","1") = "4"
    & skf18("5","1","4","4","3","4","1") = "4"
    & skf18("5","1","4","4","3","5","1") = "4"
    & skf18("5","1","4","4","3","6","1") = "5"
    & skf18("5","1","4","4","3","7","1") = "6"
    & skf18("5","1","4","4","3","8","1") = "7"
    & skf18("5","1","4","4","3","9","1") = "8"
    & skf18("5","1","4","4","3","10","1") = "9"
    & skf18("5","1","4","4","4","1","1") = "4"
    & skf18("5","1","4","4","4","2","1") = "4"
    & skf18("5","1","4","4","4","3","1") = "4"
    & skf18("5","1","4","4","4","4","1") = "4"
    & skf18("5","1","4","4","4","5","1") = "4"
    & skf18("5","1","4","4","4","6","1") = "5"
    & skf18("5","1","4","4","4","7","1") = "6"
    & skf18("5","1","4","4","4","8","1") = "7"
    & skf18("5","1","4","4","4","9","1") = "8"
    & skf18("5","1","4","4","4","10","1") = "9"
    & skf18("5","1","4","4","5","1","1") = "4"
    & skf18("5","1","4","4","5","2","1") = "4"
    & skf18("5","1","4","4","5","3","1") = "4"
    & skf18("5","1","4","4","5","4","1") = "4"
    & skf18("5","1","4","4","5","5","1") = "4"
    & skf18("5","1","4","4","5","6","1") = "5"
    & skf18("5","1","4","4","5","7","1") = "6"
    & skf18("5","1","4","4","5","8","1") = "7"
    & skf18("5","1","4","4","5","9","1") = "8"
    & skf18("5","1","4","4","5","10","1") = "9"
    & skf18("5","1","4","4","6","1","1") = "5"
    & skf18("5","1","4","4","6","2","1") = "5"
    & skf18("5","1","4","4","6","3","1") = "5"
    & skf18("5","1","4","4","6","4","1") = "5"
    & skf18("5","1","4","4","6","5","1") = "5"
    & skf18("5","1","4","4","6","6","1") = "5"
    & skf18("5","1","4","4","6","7","1") = "6"
    & skf18("5","1","4","4","6","8","1") = "7"
    & skf18("5","1","4","4","6","9","1") = "8"
    & skf18("5","1","4","4","6","10","1") = "9"
    & skf18("5","1","4","4","7","1","1") = "6"
    & skf18("5","1","4","4","7","2","1") = "6"
    & skf18("5","1","4","4","7","3","1") = "6"
    & skf18("5","1","4","4","7","4","1") = "6"
    & skf18("5","1","4","4","7","5","1") = "6"
    & skf18("5","1","4","4","7","6","1") = "6"
    & skf18("5","1","4","4","7","7","1") = "6"
    & skf18("5","1","4","4","7","8","1") = "7"
    & skf18("5","1","4","4","7","9","1") = "8"
    & skf18("5","1","4","4","7","10","1") = "9"
    & skf18("5","1","4","4","8","1","1") = "7"
    & skf18("5","1","4","4","8","2","1") = "7"
    & skf18("5","1","4","4","8","3","1") = "7"
    & skf18("5","1","4","4","8","4","1") = "7"
    & skf18("5","1","4","4","8","5","1") = "7"
    & skf18("5","1","4","4","8","6","1") = "7"
    & skf18("5","1","4","4","8","7","1") = "7"
    & skf18("5","1","4","4","8","8","1") = "7"
    & skf18("5","1","4","4","8","9","1") = "8"
    & skf18("5","1","4","4","8","10","1") = "9"
    & skf18("5","1","4","4","9","1","1") = "8"
    & skf18("5","1","4","4","9","2","1") = "8"
    & skf18("5","1","4","4","9","3","1") = "8"
    & skf18("5","1","4","4","9","4","1") = "8"
    & skf18("5","1","4","4","9","5","1") = "8"
    & skf18("5","1","4","4","9","6","1") = "8"
    & skf18("5","1","4","4","9","7","1") = "8"
    & skf18("5","1","4","4","9","8","1") = "8"
    & skf18("5","1","4","4","9","9","1") = "8"
    & skf18("5","1","4","4","9","10","1") = "9"
    & skf18("5","1","4","4","10","1","1") = "9"
    & skf18("5","1","4","4","10","2","1") = "9"
    & skf18("5","1","4","4","10","3","1") = "9"
    & skf18("5","1","4","4","10","4","1") = "9"
    & skf18("5","1","4","4","10","5","1") = "9"
    & skf18("5","1","4","4","10","6","1") = "9"
    & skf18("5","1","4","4","10","7","1") = "9"
    & skf18("5","1","4","4","10","8","1") = "9"
    & skf18("5","1","4","4","10","9","1") = "9"
    & skf18("5","1","4","4","10","10","1") = "9"
    & skf18("5","1","4","5","1","1","1") = "4"
    & skf18("5","1","4","5","1","2","1") = "4"
    & skf18("5","1","4","5","1","3","1") = "4"
    & skf18("5","1","4","5","1","4","1") = "4"
    & skf18("5","1","4","5","1","5","1") = "4"
    & skf18("5","1","4","5","1","6","1") = "5"
    & skf18("5","1","4","5","1","7","1") = "6"
    & skf18("5","1","4","5","1","8","1") = "7"
    & skf18("5","1","4","5","1","9","1") = "8"
    & skf18("5","1","4","5","1","10","1") = "9"
    & skf18("5","1","4","5","2","1","1") = "4"
    & skf18("5","1","4","5","2","2","1") = "3"
    & skf18("5","1","4","5","2","3","1") = "4"
    & skf18("5","1","4","5","2","4","1") = "4"
    & skf18("5","1","4","5","2","5","1") = "4"
    & skf18("5","1","4","5","2","6","1") = "5"
    & skf18("5","1","4","5","2","7","1") = "6"
    & skf18("5","1","4","5","2","8","1") = "7"
    & skf18("5","1","4","5","2","9","1") = "8"
    & skf18("5","1","4","5","2","10","1") = "9"
    & skf18("5","1","4","5","3","1","1") = "4"
    & skf18("5","1","4","5","3","2","1") = "4"
    & skf18("5","1","4","5","3","3","1") = "4"
    & skf18("5","1","4","5","3","4","1") = "4"
    & skf18("5","1","4","5","3","5","1") = "4"
    & skf18("5","1","4","5","3","6","1") = "5"
    & skf18("5","1","4","5","3","7","1") = "6"
    & skf18("5","1","4","5","3","8","1") = "7"
    & skf18("5","1","4","5","3","9","1") = "8"
    & skf18("5","1","4","5","3","10","1") = "9"
    & skf18("5","1","4","5","4","1","1") = "4"
    & skf18("5","1","4","5","4","2","1") = "4"
    & skf18("5","1","4","5","4","3","1") = "4"
    & skf18("5","1","4","5","4","4","1") = "4"
    & skf18("5","1","4","5","4","5","1") = "4"
    & skf18("5","1","4","5","4","6","1") = "5"
    & skf18("5","1","4","5","4","7","1") = "6"
    & skf18("5","1","4","5","4","8","1") = "7"
    & skf18("5","1","4","5","4","9","1") = "8"
    & skf18("5","1","4","5","4","10","1") = "9"
    & skf18("5","1","4","5","5","1","1") = "4"
    & skf18("5","1","4","5","5","2","1") = "4"
    & skf18("5","1","4","5","5","3","1") = "4"
    & skf18("5","1","4","5","5","4","1") = "4"
    & skf18("5","1","4","5","5","5","1") = "4"
    & skf18("5","1","4","5","5","6","1") = "5"
    & skf18("5","1","4","5","5","7","1") = "6"
    & skf18("5","1","4","5","5","8","1") = "7"
    & skf18("5","1","4","5","5","9","1") = "8"
    & skf18("5","1","4","5","5","10","1") = "9"
    & skf18("5","1","4","5","6","1","1") = "5"
    & skf18("5","1","4","5","6","2","1") = "5"
    & skf18("5","1","4","5","6","3","1") = "5"
    & skf18("5","1","4","5","6","4","1") = "5"
    & skf18("5","1","4","5","6","5","1") = "5"
    & skf18("5","1","4","5","6","6","1") = "5"
    & skf18("5","1","4","5","6","7","1") = "6"
    & skf18("5","1","4","5","6","8","1") = "7"
    & skf18("5","1","4","5","6","9","1") = "8"
    & skf18("5","1","4","5","6","10","1") = "9"
    & skf18("5","1","4","5","7","1","1") = "6"
    & skf18("5","1","4","5","7","2","1") = "6"
    & skf18("5","1","4","5","7","3","1") = "6"
    & skf18("5","1","4","5","7","4","1") = "6"
    & skf18("5","1","4","5","7","5","1") = "6"
    & skf18("5","1","4","5","7","6","1") = "6"
    & skf18("5","1","4","5","7","7","1") = "6"
    & skf18("5","1","4","5","7","8","1") = "7"
    & skf18("5","1","4","5","7","9","1") = "8"
    & skf18("5","1","4","5","7","10","1") = "9"
    & skf18("5","1","4","5","8","1","1") = "7"
    & skf18("5","1","4","5","8","2","1") = "7"
    & skf18("5","1","4","5","8","3","1") = "7"
    & skf18("5","1","4","5","8","4","1") = "7"
    & skf18("5","1","4","5","8","5","1") = "7"
    & skf18("5","1","4","5","8","6","1") = "7"
    & skf18("5","1","4","5","8","7","1") = "7"
    & skf18("5","1","4","5","8","8","1") = "7"
    & skf18("5","1","4","5","8","9","1") = "8"
    & skf18("5","1","4","5","8","10","1") = "9"
    & skf18("5","1","4","5","9","1","1") = "8"
    & skf18("5","1","4","5","9","2","1") = "8"
    & skf18("5","1","4","5","9","3","1") = "8"
    & skf18("5","1","4","5","9","4","1") = "8"
    & skf18("5","1","4","5","9","5","1") = "8"
    & skf18("5","1","4","5","9","6","1") = "8"
    & skf18("5","1","4","5","9","7","1") = "8"
    & skf18("5","1","4","5","9","8","1") = "8"
    & skf18("5","1","4","5","9","9","1") = "8"
    & skf18("5","1","4","5","9","10","1") = "9"
    & skf18("5","1","4","5","10","1","1") = "9"
    & skf18("5","1","4","5","10","2","1") = "9"
    & skf18("5","1","4","5","10","3","1") = "9"
    & skf18("5","1","4","5","10","4","1") = "9"
    & skf18("5","1","4","5","10","5","1") = "9"
    & skf18("5","1","4","5","10","6","1") = "9"
    & skf18("5","1","4","5","10","7","1") = "9"
    & skf18("5","1","4","5","10","8","1") = "9"
    & skf18("5","1","4","5","10","9","1") = "9"
    & skf18("5","1","4","5","10","10","1") = "9"
    & skf18("5","1","4","6","1","1","1") = "5"
    & skf18("5","1","4","6","1","2","1") = "5"
    & skf18("5","1","4","6","1","3","1") = "5"
    & skf18("5","1","4","6","1","4","1") = "5"
    & skf18("5","1","4","6","1","5","1") = "5"
    & skf18("5","1","4","6","1","6","1") = "5"
    & skf18("5","1","4","6","1","7","1") = "6"
    & skf18("5","1","4","6","1","8","1") = "7"
    & skf18("5","1","4","6","1","9","1") = "8"
    & skf18("5","1","4","6","1","10","1") = "9"
    & skf18("5","1","4","6","2","1","1") = "5"
    & skf18("5","1","4","6","2","2","1") = "5"
    & skf18("5","1","4","6","2","3","1") = "5"
    & skf18("5","1","4","6","2","4","1") = "5"
    & skf18("5","1","4","6","2","5","1") = "5"
    & skf18("5","1","4","6","2","6","1") = "5"
    & skf18("5","1","4","6","2","7","1") = "6"
    & skf18("5","1","4","6","2","8","1") = "7"
    & skf18("5","1","4","6","2","9","1") = "8"
    & skf18("5","1","4","6","2","10","1") = "9"
    & skf18("5","1","4","6","3","1","1") = "5"
    & skf18("5","1","4","6","3","2","1") = "5"
    & skf18("5","1","4","6","3","3","1") = "5"
    & skf18("5","1","4","6","3","4","1") = "5"
    & skf18("5","1","4","6","3","5","1") = "5"
    & skf18("5","1","4","6","3","6","1") = "5"
    & skf18("5","1","4","6","3","7","1") = "6"
    & skf18("5","1","4","6","3","8","1") = "7"
    & skf18("5","1","4","6","3","9","1") = "8"
    & skf18("5","1","4","6","3","10","1") = "9"
    & skf18("5","1","4","6","4","1","1") = "5"
    & skf18("5","1","4","6","4","2","1") = "5"
    & skf18("5","1","4","6","4","3","1") = "5"
    & skf18("5","1","4","6","4","4","1") = "5"
    & skf18("5","1","4","6","4","5","1") = "5"
    & skf18("5","1","4","6","4","6","1") = "5"
    & skf18("5","1","4","6","4","7","1") = "6"
    & skf18("5","1","4","6","4","8","1") = "7"
    & skf18("5","1","4","6","4","9","1") = "8"
    & skf18("5","1","4","6","4","10","1") = "9"
    & skf18("5","1","4","6","5","1","1") = "5"
    & skf18("5","1","4","6","5","2","1") = "5"
    & skf18("5","1","4","6","5","3","1") = "5"
    & skf18("5","1","4","6","5","4","1") = "5"
    & skf18("5","1","4","6","5","5","1") = "5"
    & skf18("5","1","4","6","5","6","1") = "5"
    & skf18("5","1","4","6","5","7","1") = "6"
    & skf18("5","1","4","6","5","8","1") = "7"
    & skf18("5","1","4","6","5","9","1") = "8"
    & skf18("5","1","4","6","5","10","1") = "9"
    & skf18("5","1","4","6","6","1","1") = "5"
    & skf18("5","1","4","6","6","2","1") = "5"
    & skf18("5","1","4","6","6","3","1") = "5"
    & skf18("5","1","4","6","6","4","1") = "5"
    & skf18("5","1","4","6","6","5","1") = "5"
    & skf18("5","1","4","6","6","6","1") = "5"
    & skf18("5","1","4","6","6","7","1") = "6"
    & skf18("5","1","4","6","6","8","1") = "7"
    & skf18("5","1","4","6","6","9","1") = "8"
    & skf18("5","1","4","6","6","10","1") = "9"
    & skf18("5","1","4","6","7","1","1") = "6"
    & skf18("5","1","4","6","7","2","1") = "6"
    & skf18("5","1","4","6","7","3","1") = "6"
    & skf18("5","1","4","6","7","4","1") = "6"
    & skf18("5","1","4","6","7","5","1") = "6"
    & skf18("5","1","4","6","7","6","1") = "6"
    & skf18("5","1","4","6","7","7","1") = "6"
    & skf18("5","1","4","6","7","8","1") = "7"
    & skf18("5","1","4","6","7","9","1") = "8"
    & skf18("5","1","4","6","7","10","1") = "9"
    & skf18("5","1","4","6","8","1","1") = "7"
    & skf18("5","1","4","6","8","2","1") = "7"
    & skf18("5","1","4","6","8","3","1") = "7"
    & skf18("5","1","4","6","8","4","1") = "7"
    & skf18("5","1","4","6","8","5","1") = "7"
    & skf18("5","1","4","6","8","6","1") = "7"
    & skf18("5","1","4","6","8","7","1") = "7"
    & skf18("5","1","4","6","8","8","1") = "7"
    & skf18("5","1","4","6","8","9","1") = "8"
    & skf18("5","1","4","6","8","10","1") = "9"
    & skf18("5","1","4","6","9","1","1") = "8"
    & skf18("5","1","4","6","9","2","1") = "8"
    & skf18("5","1","4","6","9","3","1") = "8"
    & skf18("5","1","4","6","9","4","1") = "8"
    & skf18("5","1","4","6","9","5","1") = "8"
    & skf18("5","1","4","6","9","6","1") = "8"
    & skf18("5","1","4","6","9","7","1") = "8"
    & skf18("5","1","4","6","9","8","1") = "8"
    & skf18("5","1","4","6","9","9","1") = "8"
    & skf18("5","1","4","6","9","10","1") = "9"
    & skf18("5","1","4","6","10","1","1") = "9"
    & skf18("5","1","4","6","10","2","1") = "9"
    & skf18("5","1","4","6","10","3","1") = "9"
    & skf18("5","1","4","6","10","4","1") = "9"
    & skf18("5","1","4","6","10","5","1") = "9"
    & skf18("5","1","4","6","10","6","1") = "9"
    & skf18("5","1","4","6","10","7","1") = "9"
    & skf18("5","1","4","6","10","8","1") = "9"
    & skf18("5","1","4","6","10","9","1") = "9"
    & skf18("5","1","4","6","10","10","1") = "9"
    & skf18("5","1","4","7","1","1","1") = "6"
    & skf18("5","1","4","7","1","2","1") = "6"
    & skf18("5","1","4","7","1","3","1") = "6"
    & skf18("5","1","4","7","1","4","1") = "6"
    & skf18("5","1","4","7","1","5","1") = "6"
    & skf18("5","1","4","7","1","6","1") = "6"
    & skf18("5","1","4","7","1","7","1") = "6"
    & skf18("5","1","4","7","1","8","1") = "7"
    & skf18("5","1","4","7","1","9","1") = "8"
    & skf18("5","1","4","7","1","10","1") = "9"
    & skf18("5","1","4","7","2","1","1") = "6"
    & skf18("5","1","4","7","2","2","1") = "6"
    & skf18("5","1","4","7","2","3","1") = "6"
    & skf18("5","1","4","7","2","4","1") = "6"
    & skf18("5","1","4","7","2","5","1") = "6"
    & skf18("5","1","4","7","2","6","1") = "6"
    & skf18("5","1","4","7","2","7","1") = "6"
    & skf18("5","1","4","7","2","8","1") = "7"
    & skf18("5","1","4","7","2","9","1") = "8"
    & skf18("5","1","4","7","2","10","1") = "9"
    & skf18("5","1","4","7","3","1","1") = "6"
    & skf18("5","1","4","7","3","2","1") = "6"
    & skf18("5","1","4","7","3","3","1") = "6"
    & skf18("5","1","4","7","3","4","1") = "6"
    & skf18("5","1","4","7","3","5","1") = "6"
    & skf18("5","1","4","7","3","6","1") = "6"
    & skf18("5","1","4","7","3","7","1") = "6"
    & skf18("5","1","4","7","3","8","1") = "7"
    & skf18("5","1","4","7","3","9","1") = "8"
    & skf18("5","1","4","7","3","10","1") = "9"
    & skf18("5","1","4","7","4","1","1") = "6"
    & skf18("5","1","4","7","4","2","1") = "6"
    & skf18("5","1","4","7","4","3","1") = "6"
    & skf18("5","1","4","7","4","4","1") = "6"
    & skf18("5","1","4","7","4","5","1") = "6"
    & skf18("5","1","4","7","4","6","1") = "6"
    & skf18("5","1","4","7","4","7","1") = "6"
    & skf18("5","1","4","7","4","8","1") = "7"
    & skf18("5","1","4","7","4","9","1") = "8"
    & skf18("5","1","4","7","4","10","1") = "9"
    & skf18("5","1","4","7","5","1","1") = "6"
    & skf18("5","1","4","7","5","2","1") = "6"
    & skf18("5","1","4","7","5","3","1") = "6"
    & skf18("5","1","4","7","5","4","1") = "6"
    & skf18("5","1","4","7","5","5","1") = "6"
    & skf18("5","1","4","7","5","6","1") = "6"
    & skf18("5","1","4","7","5","7","1") = "6"
    & skf18("5","1","4","7","5","8","1") = "7"
    & skf18("5","1","4","7","5","9","1") = "8"
    & skf18("5","1","4","7","5","10","1") = "9"
    & skf18("5","1","4","7","6","1","1") = "6"
    & skf18("5","1","4","7","6","2","1") = "6"
    & skf18("5","1","4","7","6","3","1") = "6"
    & skf18("5","1","4","7","6","4","1") = "6"
    & skf18("5","1","4","7","6","5","1") = "6"
    & skf18("5","1","4","7","6","6","1") = "6"
    & skf18("5","1","4","7","6","7","1") = "6"
    & skf18("5","1","4","7","6","8","1") = "7"
    & skf18("5","1","4","7","6","9","1") = "8"
    & skf18("5","1","4","7","6","10","1") = "9"
    & skf18("5","1","4","7","7","1","1") = "6"
    & skf18("5","1","4","7","7","2","1") = "6"
    & skf18("5","1","4","7","7","3","1") = "6"
    & skf18("5","1","4","7","7","4","1") = "6"
    & skf18("5","1","4","7","7","5","1") = "6"
    & skf18("5","1","4","7","7","6","1") = "6"
    & skf18("5","1","4","7","7","7","1") = "6"
    & skf18("5","1","4","7","7","8","1") = "7"
    & skf18("5","1","4","7","7","9","1") = "8"
    & skf18("5","1","4","7","7","10","1") = "9"
    & skf18("5","1","4","7","8","1","1") = "7"
    & skf18("5","1","4","7","8","2","1") = "7"
    & skf18("5","1","4","7","8","3","1") = "7"
    & skf18("5","1","4","7","8","4","1") = "7"
    & skf18("5","1","4","7","8","5","1") = "7"
    & skf18("5","1","4","7","8","6","1") = "7"
    & skf18("5","1","4","7","8","7","1") = "7"
    & skf18("5","1","4","7","8","8","1") = "7"
    & skf18("5","1","4","7","8","9","1") = "8"
    & skf18("5","1","4","7","8","10","1") = "9"
    & skf18("5","1","4","7","9","1","1") = "8"
    & skf18("5","1","4","7","9","2","1") = "8"
    & skf18("5","1","4","7","9","3","1") = "8"
    & skf18("5","1","4","7","9","4","1") = "8"
    & skf18("5","1","4","7","9","5","1") = "8"
    & skf18("5","1","4","7","9","6","1") = "8"
    & skf18("5","1","4","7","9","7","1") = "8"
    & skf18("5","1","4","7","9","8","1") = "8"
    & skf18("5","1","4","7","9","9","1") = "8"
    & skf18("5","1","4","7","9","10","1") = "9"
    & skf18("5","1","4","7","10","1","1") = "9"
    & skf18("5","1","4","7","10","2","1") = "9"
    & skf18("5","1","4","7","10","3","1") = "9"
    & skf18("5","1","4","7","10","4","1") = "9"
    & skf18("5","1","4","7","10","5","1") = "9"
    & skf18("5","1","4","7","10","6","1") = "9"
    & skf18("5","1","4","7","10","7","1") = "9"
    & skf18("5","1","4","7","10","8","1") = "9"
    & skf18("5","1","4","7","10","9","1") = "9"
    & skf18("5","1","4","7","10","10","1") = "9"
    & skf18("5","1","4","8","1","1","1") = "7"
    & skf18("5","1","4","8","1","2","1") = "7"
    & skf18("5","1","4","8","1","3","1") = "7"
    & skf18("5","1","4","8","1","4","1") = "7"
    & skf18("5","1","4","8","1","5","1") = "7"
    & skf18("5","1","4","8","1","6","1") = "7"
    & skf18("5","1","4","8","1","7","1") = "7"
    & skf18("5","1","4","8","1","8","1") = "7"
    & skf18("5","1","4","8","1","9","1") = "8"
    & skf18("5","1","4","8","1","10","1") = "9"
    & skf18("5","1","4","8","2","1","1") = "7"
    & skf18("5","1","4","8","2","2","1") = "7"
    & skf18("5","1","4","8","2","3","1") = "7"
    & skf18("5","1","4","8","2","4","1") = "7"
    & skf18("5","1","4","8","2","5","1") = "7"
    & skf18("5","1","4","8","2","6","1") = "7"
    & skf18("5","1","4","8","2","7","1") = "7"
    & skf18("5","1","4","8","2","8","1") = "7"
    & skf18("5","1","4","8","2","9","1") = "8"
    & skf18("5","1","4","8","2","10","1") = "9"
    & skf18("5","1","4","8","3","1","1") = "7"
    & skf18("5","1","4","8","3","2","1") = "7"
    & skf18("5","1","4","8","3","3","1") = "7"
    & skf18("5","1","4","8","3","4","1") = "7"
    & skf18("5","1","4","8","3","5","1") = "7"
    & skf18("5","1","4","8","3","6","1") = "7"
    & skf18("5","1","4","8","3","7","1") = "7"
    & skf18("5","1","4","8","3","8","1") = "7"
    & skf18("5","1","4","8","3","9","1") = "8"
    & skf18("5","1","4","8","3","10","1") = "9"
    & skf18("5","1","4","8","4","1","1") = "7"
    & skf18("5","1","4","8","4","2","1") = "7"
    & skf18("5","1","4","8","4","3","1") = "7"
    & skf18("5","1","4","8","4","4","1") = "7"
    & skf18("5","1","4","8","4","5","1") = "7"
    & skf18("5","1","4","8","4","6","1") = "7"
    & skf18("5","1","4","8","4","7","1") = "7"
    & skf18("5","1","4","8","4","8","1") = "7"
    & skf18("5","1","4","8","4","9","1") = "8"
    & skf18("5","1","4","8","4","10","1") = "9"
    & skf18("5","1","4","8","5","1","1") = "7"
    & skf18("5","1","4","8","5","2","1") = "7"
    & skf18("5","1","4","8","5","3","1") = "7"
    & skf18("5","1","4","8","5","4","1") = "7"
    & skf18("5","1","4","8","5","5","1") = "7"
    & skf18("5","1","4","8","5","6","1") = "7"
    & skf18("5","1","4","8","5","7","1") = "7"
    & skf18("5","1","4","8","5","8","1") = "7"
    & skf18("5","1","4","8","5","9","1") = "8"
    & skf18("5","1","4","8","5","10","1") = "9"
    & skf18("5","1","4","8","6","1","1") = "7"
    & skf18("5","1","4","8","6","2","1") = "7"
    & skf18("5","1","4","8","6","3","1") = "7"
    & skf18("5","1","4","8","6","4","1") = "7"
    & skf18("5","1","4","8","6","5","1") = "7"
    & skf18("5","1","4","8","6","6","1") = "7"
    & skf18("5","1","4","8","6","7","1") = "7"
    & skf18("5","1","4","8","6","8","1") = "7"
    & skf18("5","1","4","8","6","9","1") = "8"
    & skf18("5","1","4","8","6","10","1") = "9"
    & skf18("5","1","4","8","7","1","1") = "7"
    & skf18("5","1","4","8","7","2","1") = "7"
    & skf18("5","1","4","8","7","3","1") = "7"
    & skf18("5","1","4","8","7","4","1") = "7"
    & skf18("5","1","4","8","7","5","1") = "7"
    & skf18("5","1","4","8","7","6","1") = "7"
    & skf18("5","1","4","8","7","7","1") = "7"
    & skf18("5","1","4","8","7","8","1") = "7"
    & skf18("5","1","4","8","7","9","1") = "8"
    & skf18("5","1","4","8","7","10","1") = "9"
    & skf18("5","1","4","8","8","1","1") = "7"
    & skf18("5","1","4","8","8","2","1") = "7"
    & skf18("5","1","4","8","8","3","1") = "7"
    & skf18("5","1","4","8","8","4","1") = "7"
    & skf18("5","1","4","8","8","5","1") = "7"
    & skf18("5","1","4","8","8","6","1") = "7"
    & skf18("5","1","4","8","8","7","1") = "7"
    & skf18("5","1","4","8","8","8","1") = "7"
    & skf18("5","1","4","8","8","9","1") = "8"
    & skf18("5","1","4","8","8","10","1") = "9"
    & skf18("5","1","4","8","9","1","1") = "8"
    & skf18("5","1","4","8","9","2","1") = "8"
    & skf18("5","1","4","8","9","3","1") = "8"
    & skf18("5","1","4","8","9","4","1") = "8"
    & skf18("5","1","4","8","9","5","1") = "8"
    & skf18("5","1","4","8","9","6","1") = "8"
    & skf18("5","1","4","8","9","7","1") = "8"
    & skf18("5","1","4","8","9","8","1") = "8"
    & skf18("5","1","4","8","9","9","1") = "8"
    & skf18("5","1","4","8","9","10","1") = "9"
    & skf18("5","1","4","8","10","1","1") = "9"
    & skf18("5","1","4","8","10","2","1") = "9"
    & skf18("5","1","4","8","10","3","1") = "9"
    & skf18("5","1","4","8","10","4","1") = "9"
    & skf18("5","1","4","8","10","5","1") = "9"
    & skf18("5","1","4","8","10","6","1") = "9"
    & skf18("5","1","4","8","10","7","1") = "9"
    & skf18("5","1","4","8","10","8","1") = "9"
    & skf18("5","1","4","8","10","9","1") = "9"
    & skf18("5","1","4","8","10","10","1") = "9"
    & skf18("5","1","4","9","1","1","1") = "8"
    & skf18("5","1","4","9","1","2","1") = "8"
    & skf18("5","1","4","9","1","3","1") = "8"
    & skf18("5","1","4","9","1","4","1") = "8"
    & skf18("5","1","4","9","1","5","1") = "8"
    & skf18("5","1","4","9","1","6","1") = "8"
    & skf18("5","1","4","9","1","7","1") = "8"
    & skf18("5","1","4","9","1","8","1") = "8"
    & skf18("5","1","4","9","1","9","1") = "8"
    & skf18("5","1","4","9","1","10","1") = "9"
    & skf18("5","1","4","9","2","1","1") = "8"
    & skf18("5","1","4","9","2","2","1") = "8"
    & skf18("5","1","4","9","2","3","1") = "8"
    & skf18("5","1","4","9","2","4","1") = "8"
    & skf18("5","1","4","9","2","5","1") = "8"
    & skf18("5","1","4","9","2","6","1") = "8"
    & skf18("5","1","4","9","2","7","1") = "8"
    & skf18("5","1","4","9","2","8","1") = "8"
    & skf18("5","1","4","9","2","9","1") = "8"
    & skf18("5","1","4","9","2","10","1") = "9"
    & skf18("5","1","4","9","3","1","1") = "8"
    & skf18("5","1","4","9","3","2","1") = "8"
    & skf18("5","1","4","9","3","3","1") = "8"
    & skf18("5","1","4","9","3","4","1") = "8"
    & skf18("5","1","4","9","3","5","1") = "8"
    & skf18("5","1","4","9","3","6","1") = "8"
    & skf18("5","1","4","9","3","7","1") = "8"
    & skf18("5","1","4","9","3","8","1") = "8"
    & skf18("5","1","4","9","3","9","1") = "8"
    & skf18("5","1","4","9","3","10","1") = "9"
    & skf18("5","1","4","9","4","1","1") = "8"
    & skf18("5","1","4","9","4","2","1") = "8"
    & skf18("5","1","4","9","4","3","1") = "8"
    & skf18("5","1","4","9","4","4","1") = "8"
    & skf18("5","1","4","9","4","5","1") = "8"
    & skf18("5","1","4","9","4","6","1") = "8"
    & skf18("5","1","4","9","4","7","1") = "8"
    & skf18("5","1","4","9","4","8","1") = "8"
    & skf18("5","1","4","9","4","9","1") = "8"
    & skf18("5","1","4","9","4","10","1") = "9"
    & skf18("5","1","4","9","5","1","1") = "8"
    & skf18("5","1","4","9","5","2","1") = "8"
    & skf18("5","1","4","9","5","3","1") = "8"
    & skf18("5","1","4","9","5","4","1") = "8"
    & skf18("5","1","4","9","5","5","1") = "8"
    & skf18("5","1","4","9","5","6","1") = "8"
    & skf18("5","1","4","9","5","7","1") = "8"
    & skf18("5","1","4","9","5","8","1") = "8"
    & skf18("5","1","4","9","5","9","1") = "8"
    & skf18("5","1","4","9","5","10","1") = "9"
    & skf18("5","1","4","9","6","1","1") = "8"
    & skf18("5","1","4","9","6","2","1") = "8"
    & skf18("5","1","4","9","6","3","1") = "8"
    & skf18("5","1","4","9","6","4","1") = "8"
    & skf18("5","1","4","9","6","5","1") = "8"
    & skf18("5","1","4","9","6","6","1") = "8"
    & skf18("5","1","4","9","6","7","1") = "8"
    & skf18("5","1","4","9","6","8","1") = "8"
    & skf18("5","1","4","9","6","9","1") = "8"
    & skf18("5","1","4","9","6","10","1") = "9"
    & skf18("5","1","4","9","7","1","1") = "8"
    & skf18("5","1","4","9","7","2","1") = "8"
    & skf18("5","1","4","9","7","3","1") = "8"
    & skf18("5","1","4","9","7","4","1") = "8"
    & skf18("5","1","4","9","7","5","1") = "8"
    & skf18("5","1","4","9","7","6","1") = "8"
    & skf18("5","1","4","9","7","7","1") = "8"
    & skf18("5","1","4","9","7","8","1") = "8"
    & skf18("5","1","4","9","7","9","1") = "8"
    & skf18("5","1","4","9","7","10","1") = "9"
    & skf18("5","1","4","9","8","1","1") = "8"
    & skf18("5","1","4","9","8","2","1") = "8"
    & skf18("5","1","4","9","8","3","1") = "8"
    & skf18("5","1","4","9","8","4","1") = "8"
    & skf18("5","1","4","9","8","5","1") = "8"
    & skf18("5","1","4","9","8","6","1") = "8"
    & skf18("5","1","4","9","8","7","1") = "8"
    & skf18("5","1","4","9","8","8","1") = "8"
    & skf18("5","1","4","9","8","9","1") = "8"
    & skf18("5","1","4","9","8","10","1") = "9"
    & skf18("5","1","4","9","9","1","1") = "8"
    & skf18("5","1","4","9","9","2","1") = "8"
    & skf18("5","1","4","9","9","3","1") = "8"
    & skf18("5","1","4","9","9","4","1") = "8"
    & skf18("5","1","4","9","9","5","1") = "8"
    & skf18("5","1","4","9","9","6","1") = "8"
    & skf18("5","1","4","9","9","7","1") = "8"
    & skf18("5","1","4","9","9","8","1") = "8"
    & skf18("5","1","4","9","9","9","1") = "8"
    & skf18("5","1","4","9","9","10","1") = "9"
    & skf18("5","1","4","9","10","1","1") = "9"
    & skf18("5","1","4","9","10","2","1") = "9"
    & skf18("5","1","4","9","10","3","1") = "9"
    & skf18("5","1","4","9","10","4","1") = "9"
    & skf18("5","1","4","9","10","5","1") = "9"
    & skf18("5","1","4","9","10","6","1") = "9"
    & skf18("5","1","4","9","10","7","1") = "9"
    & skf18("5","1","4","9","10","8","1") = "9"
    & skf18("5","1","4","9","10","9","1") = "9"
    & skf18("5","1","4","9","10","10","1") = "9"
    & skf18("5","1","4","10","1","1","1") = "9"
    & skf18("5","1","4","10","1","2","1") = "9"
    & skf18("5","1","4","10","1","3","1") = "9"
    & skf18("5","1","4","10","1","4","1") = "9"
    & skf18("5","1","4","10","1","5","1") = "9"
    & skf18("5","1","4","10","1","6","1") = "9"
    & skf18("5","1","4","10","1","7","1") = "9"
    & skf18("5","1","4","10","1","8","1") = "9"
    & skf18("5","1","4","10","1","9","1") = "9"
    & skf18("5","1","4","10","1","10","1") = "9"
    & skf18("5","1","4","10","2","1","1") = "9"
    & skf18("5","1","4","10","2","2","1") = "9"
    & skf18("5","1","4","10","2","3","1") = "9"
    & skf18("5","1","4","10","2","4","1") = "9"
    & skf18("5","1","4","10","2","5","1") = "9"
    & skf18("5","1","4","10","2","6","1") = "9"
    & skf18("5","1","4","10","2","7","1") = "9"
    & skf18("5","1","4","10","2","8","1") = "9"
    & skf18("5","1","4","10","2","9","1") = "9"
    & skf18("5","1","4","10","2","10","1") = "9"
    & skf18("5","1","4","10","3","1","1") = "9"
    & skf18("5","1","4","10","3","2","1") = "9"
    & skf18("5","1","4","10","3","3","1") = "9"
    & skf18("5","1","4","10","3","4","1") = "9"
    & skf18("5","1","4","10","3","5","1") = "9"
    & skf18("5","1","4","10","3","6","1") = "9"
    & skf18("5","1","4","10","3","7","1") = "9"
    & skf18("5","1","4","10","3","8","1") = "9"
    & skf18("5","1","4","10","3","9","1") = "9"
    & skf18("5","1","4","10","3","10","1") = "9"
    & skf18("5","1","4","10","4","1","1") = "9"
    & skf18("5","1","4","10","4","2","1") = "9"
    & skf18("5","1","4","10","4","3","1") = "9"
    & skf18("5","1","4","10","4","4","1") = "9"
    & skf18("5","1","4","10","4","5","1") = "9"
    & skf18("5","1","4","10","4","6","1") = "9"
    & skf18("5","1","4","10","4","7","1") = "9"
    & skf18("5","1","4","10","4","8","1") = "9"
    & skf18("5","1","4","10","4","9","1") = "9"
    & skf18("5","1","4","10","4","10","1") = "9"
    & skf18("5","1","4","10","5","1","1") = "9"
    & skf18("5","1","4","10","5","2","1") = "9"
    & skf18("5","1","4","10","5","3","1") = "9"
    & skf18("5","1","4","10","5","4","1") = "9"
    & skf18("5","1","4","10","5","5","1") = "9"
    & skf18("5","1","4","10","5","6","1") = "9"
    & skf18("5","1","4","10","5","7","1") = "9"
    & skf18("5","1","4","10","5","8","1") = "9"
    & skf18("5","1","4","10","5","9","1") = "9"
    & skf18("5","1","4","10","5","10","1") = "9"
    & skf18("5","1","4","10","6","1","1") = "9"
    & skf18("5","1","4","10","6","2","1") = "9"
    & skf18("5","1","4","10","6","3","1") = "9"
    & skf18("5","1","4","10","6","4","1") = "9"
    & skf18("5","1","4","10","6","5","1") = "9"
    & skf18("5","1","4","10","6","6","1") = "9"
    & skf18("5","1","4","10","6","7","1") = "9"
    & skf18("5","1","4","10","6","8","1") = "9"
    & skf18("5","1","4","10","6","9","1") = "9"
    & skf18("5","1","4","10","6","10","1") = "9"
    & skf18("5","1","4","10","7","1","1") = "9"
    & skf18("5","1","4","10","7","2","1") = "9"
    & skf18("5","1","4","10","7","3","1") = "9"
    & skf18("5","1","4","10","7","4","1") = "9"
    & skf18("5","1","4","10","7","5","1") = "9"
    & skf18("5","1","4","10","7","6","1") = "9"
    & skf18("5","1","4","10","7","7","1") = "9"
    & skf18("5","1","4","10","7","8","1") = "9"
    & skf18("5","1","4","10","7","9","1") = "9"
    & skf18("5","1","4","10","7","10","1") = "9"
    & skf18("5","1","4","10","8","1","1") = "9"
    & skf18("5","1","4","10","8","2","1") = "9"
    & skf18("5","1","4","10","8","3","1") = "9"
    & skf18("5","1","4","10","8","4","1") = "9"
    & skf18("5","1","4","10","8","5","1") = "9"
    & skf18("5","1","4","10","8","6","1") = "9"
    & skf18("5","1","4","10","8","7","1") = "9"
    & skf18("5","1","4","10","8","8","1") = "9"
    & skf18("5","1","4","10","8","9","1") = "9"
    & skf18("5","1","4","10","8","10","1") = "9"
    & skf18("5","1","4","10","9","1","1") = "9"
    & skf18("5","1","4","10","9","2","1") = "9"
    & skf18("5","1","4","10","9","3","1") = "9"
    & skf18("5","1","4","10","9","4","1") = "9"
    & skf18("5","1","4","10","9","5","1") = "9"
    & skf18("5","1","4","10","9","6","1") = "9"
    & skf18("5","1","4","10","9","7","1") = "9"
    & skf18("5","1","4","10","9","8","1") = "9"
    & skf18("5","1","4","10","9","9","1") = "9"
    & skf18("5","1","4","10","9","10","1") = "9"
    & skf18("5","1","4","10","10","1","1") = "9"
    & skf18("5","1","4","10","10","2","1") = "9"
    & skf18("5","1","4","10","10","3","1") = "9"
    & skf18("5","1","4","10","10","4","1") = "9"
    & skf18("5","1","4","10","10","5","1") = "9"
    & skf18("5","1","4","10","10","6","1") = "9"
    & skf18("5","1","4","10","10","7","1") = "9"
    & skf18("5","1","4","10","10","8","1") = "9"
    & skf18("5","1","4","10","10","9","1") = "9"
    & skf18("5","1","4","10","10","10","1") = "9"
    & skf18("5","1","5","1","1","1","1") = "4"
    & skf18("5","1","5","1","1","2","1") = "4"
    & skf18("5","1","5","1","1","3","1") = "4"
    & skf18("5","1","5","1","1","4","1") = "4"
    & skf18("5","1","5","1","1","5","1") = "4"
    & skf18("5","1","5","1","1","6","1") = "5"
    & skf18("5","1","5","1","1","7","1") = "6"
    & skf18("5","1","5","1","1","8","1") = "7"
    & skf18("5","1","5","1","1","9","1") = "8"
    & skf18("5","1","5","1","1","10","1") = "9"
    & skf18("5","1","5","1","2","1","1") = "4"
    & skf18("5","1","5","1","2","2","1") = "4"
    & skf18("5","1","5","1","2","3","1") = "4"
    & skf18("5","1","5","1","2","4","1") = "4"
    & skf18("5","1","5","1","2","5","1") = "4"
    & skf18("5","1","5","1","2","6","1") = "5"
    & skf18("5","1","5","1","2","7","1") = "6"
    & skf18("5","1","5","1","2","8","1") = "7"
    & skf18("5","1","5","1","2","9","1") = "8"
    & skf18("5","1","5","1","2","10","1") = "9"
    & skf18("5","1","5","1","3","1","1") = "4"
    & skf18("5","1","5","1","3","2","1") = "4"
    & skf18("5","1","5","1","3","3","1") = "4"
    & skf18("5","1","5","1","3","4","1") = "4"
    & skf18("5","1","5","1","3","5","1") = "4"
    & skf18("5","1","5","1","3","6","1") = "5"
    & skf18("5","1","5","1","3","7","1") = "6"
    & skf18("5","1","5","1","3","8","1") = "7"
    & skf18("5","1","5","1","3","9","1") = "8"
    & skf18("5","1","5","1","3","10","1") = "9"
    & skf18("5","1","5","1","4","1","1") = "4"
    & skf18("5","1","5","1","4","2","1") = "4"
    & skf18("5","1","5","1","4","3","1") = "4"
    & skf18("5","1","5","1","4","4","1") = "4"
    & skf18("5","1","5","1","4","5","1") = "4"
    & skf18("5","1","5","1","4","6","1") = "5"
    & skf18("5","1","5","1","4","7","1") = "6"
    & skf18("5","1","5","1","4","8","1") = "7"
    & skf18("5","1","5","1","4","9","1") = "8"
    & skf18("5","1","5","1","4","10","1") = "9"
    & skf18("5","1","5","1","5","1","1") = "4"
    & skf18("5","1","5","1","5","2","1") = "4"
    & skf18("5","1","5","1","5","3","1") = "4"
    & skf18("5","1","5","1","5","4","1") = "4"
    & skf18("5","1","5","1","5","5","1") = "4"
    & skf18("5","1","5","1","5","6","1") = "5"
    & skf18("5","1","5","1","5","7","1") = "6"
    & skf18("5","1","5","1","5","8","1") = "7"
    & skf18("5","1","5","1","5","9","1") = "8"
    & skf18("5","1","5","1","5","10","1") = "9"
    & skf18("5","1","5","1","6","1","1") = "5"
    & skf18("5","1","5","1","6","2","1") = "5"
    & skf18("5","1","5","1","6","3","1") = "5"
    & skf18("5","1","5","1","6","4","1") = "5"
    & skf18("5","1","5","1","6","5","1") = "5"
    & skf18("5","1","5","1","6","6","1") = "5"
    & skf18("5","1","5","1","6","7","1") = "6"
    & skf18("5","1","5","1","6","8","1") = "7"
    & skf18("5","1","5","1","6","9","1") = "8"
    & skf18("5","1","5","1","6","10","1") = "9"
    & skf18("5","1","5","1","7","1","1") = "6"
    & skf18("5","1","5","1","7","2","1") = "6"
    & skf18("5","1","5","1","7","3","1") = "6"
    & skf18("5","1","5","1","7","4","1") = "6"
    & skf18("5","1","5","1","7","5","1") = "6"
    & skf18("5","1","5","1","7","6","1") = "6"
    & skf18("5","1","5","1","7","7","1") = "6"
    & skf18("5","1","5","1","7","8","1") = "7"
    & skf18("5","1","5","1","7","9","1") = "8"
    & skf18("5","1","5","1","7","10","1") = "9"
    & skf18("5","1","5","1","8","1","1") = "7"
    & skf18("5","1","5","1","8","2","1") = "7"
    & skf18("5","1","5","1","8","3","1") = "7"
    & skf18("5","1","5","1","8","4","1") = "7"
    & skf18("5","1","5","1","8","5","1") = "7"
    & skf18("5","1","5","1","8","6","1") = "7"
    & skf18("5","1","5","1","8","7","1") = "7"
    & skf18("5","1","5","1","8","8","1") = "7"
    & skf18("5","1","5","1","8","9","1") = "8"
    & skf18("5","1","5","1","8","10","1") = "9"
    & skf18("5","1","5","1","9","1","1") = "8"
    & skf18("5","1","5","1","9","2","1") = "8"
    & skf18("5","1","5","1","9","3","1") = "8"
    & skf18("5","1","5","1","9","4","1") = "8"
    & skf18("5","1","5","1","9","5","1") = "8"
    & skf18("5","1","5","1","9","6","1") = "8"
    & skf18("5","1","5","1","9","7","1") = "8"
    & skf18("5","1","5","1","9","8","1") = "8"
    & skf18("5","1","5","1","9","9","1") = "8"
    & skf18("5","1","5","1","9","10","1") = "9"
    & skf18("5","1","5","1","10","1","1") = "9"
    & skf18("5","1","5","1","10","2","1") = "9"
    & skf18("5","1","5","1","10","3","1") = "9"
    & skf18("5","1","5","1","10","4","1") = "9"
    & skf18("5","1","5","1","10","5","1") = "9"
    & skf18("5","1","5","1","10","6","1") = "9"
    & skf18("5","1","5","1","10","7","1") = "9"
    & skf18("5","1","5","1","10","8","1") = "9"
    & skf18("5","1","5","1","10","9","1") = "9"
    & skf18("5","1","5","1","10","10","1") = "9"
    & skf18("5","1","5","2","1","1","1") = "4"
    & skf18("5","1","5","2","1","2","1") = "4"
    & skf18("5","1","5","2","1","3","1") = "4"
    & skf18("5","1","5","2","1","4","1") = "4"
    & skf18("5","1","5","2","1","5","1") = "4"
    & skf18("5","1","5","2","1","6","1") = "5"
    & skf18("5","1","5","2","1","7","1") = "6"
    & skf18("5","1","5","2","1","8","1") = "7"
    & skf18("5","1","5","2","1","9","1") = "8"
    & skf18("5","1","5","2","1","10","1") = "9"
    & skf18("5","1","5","2","2","1","1") = "4"
    & skf18("5","1","5","2","2","2","1") = "4"
    & skf18("5","1","5","2","2","3","1") = "4"
    & skf18("5","1","5","2","2","4","1") = "4"
    & skf18("5","1","5","2","2","5","1") = "4"
    & skf18("5","1","5","2","2","6","1") = "5"
    & skf18("5","1","5","2","2","7","1") = "6"
    & skf18("5","1","5","2","2","8","1") = "7"
    & skf18("5","1","5","2","2","9","1") = "8"
    & skf18("5","1","5","2","2","10","1") = "9"
    & skf18("5","1","5","2","3","1","1") = "4"
    & skf18("5","1","5","2","3","2","1") = "4"
    & skf18("5","1","5","2","3","3","1") = "4"
    & skf18("5","1","5","2","3","4","1") = "4"
    & skf18("5","1","5","2","3","5","1") = "4"
    & skf18("5","1","5","2","3","6","1") = "5"
    & skf18("5","1","5","2","3","7","1") = "6"
    & skf18("5","1","5","2","3","8","1") = "7"
    & skf18("5","1","5","2","3","9","1") = "8"
    & skf18("5","1","5","2","3","10","1") = "9"
    & skf18("5","1","5","2","4","1","1") = "4"
    & skf18("5","1","5","2","4","2","1") = "4"
    & skf18("5","1","5","2","4","3","1") = "4"
    & skf18("5","1","5","2","4","4","1") = "4"
    & skf18("5","1","5","2","4","5","1") = "4"
    & skf18("5","1","5","2","4","6","1") = "5"
    & skf18("5","1","5","2","4","7","1") = "6"
    & skf18("5","1","5","2","4","8","1") = "7"
    & skf18("5","1","5","2","4","9","1") = "8"
    & skf18("5","1","5","2","4","10","1") = "9"
    & skf18("5","1","5","2","5","1","1") = "4"
    & skf18("5","1","5","2","5","2","1") = "4"
    & skf18("5","1","5","2","5","3","1") = "4"
    & skf18("5","1","5","2","5","4","1") = "4"
    & skf18("5","1","5","2","5","5","1") = "4"
    & skf18("5","1","5","2","5","6","1") = "5"
    & skf18("5","1","5","2","5","7","1") = "6"
    & skf18("5","1","5","2","5","8","1") = "7"
    & skf18("5","1","5","2","5","9","1") = "8"
    & skf18("5","1","5","2","5","10","1") = "9"
    & skf18("5","1","5","2","6","1","1") = "5"
    & skf18("5","1","5","2","6","2","1") = "5"
    & skf18("5","1","5","2","6","3","1") = "5"
    & skf18("5","1","5","2","6","4","1") = "5"
    & skf18("5","1","5","2","6","5","1") = "5"
    & skf18("5","1","5","2","6","6","1") = "5"
    & skf18("5","1","5","2","6","7","1") = "6"
    & skf18("5","1","5","2","6","8","1") = "7"
    & skf18("5","1","5","2","6","9","1") = "8"
    & skf18("5","1","5","2","6","10","1") = "9"
    & skf18("5","1","5","2","7","1","1") = "6"
    & skf18("5","1","5","2","7","2","1") = "6"
    & skf18("5","1","5","2","7","3","1") = "6"
    & skf18("5","1","5","2","7","4","1") = "6"
    & skf18("5","1","5","2","7","5","1") = "6"
    & skf18("5","1","5","2","7","6","1") = "6"
    & skf18("5","1","5","2","7","7","1") = "6"
    & skf18("5","1","5","2","7","8","1") = "7"
    & skf18("5","1","5","2","7","9","1") = "8"
    & skf18("5","1","5","2","7","10","1") = "9"
    & skf18("5","1","5","2","8","1","1") = "7"
    & skf18("5","1","5","2","8","2","1") = "7"
    & skf18("5","1","5","2","8","3","1") = "7"
    & skf18("5","1","5","2","8","4","1") = "7"
    & skf18("5","1","5","2","8","5","1") = "7"
    & skf18("5","1","5","2","8","6","1") = "7"
    & skf18("5","1","5","2","8","7","1") = "7"
    & skf18("5","1","5","2","8","8","1") = "7"
    & skf18("5","1","5","2","8","9","1") = "8"
    & skf18("5","1","5","2","8","10","1") = "9"
    & skf18("5","1","5","2","9","1","1") = "8"
    & skf18("5","1","5","2","9","2","1") = "8"
    & skf18("5","1","5","2","9","3","1") = "8"
    & skf18("5","1","5","2","9","4","1") = "8"
    & skf18("5","1","5","2","9","5","1") = "8"
    & skf18("5","1","5","2","9","6","1") = "8"
    & skf18("5","1","5","2","9","7","1") = "8"
    & skf18("5","1","5","2","9","8","1") = "8"
    & skf18("5","1","5","2","9","9","1") = "8"
    & skf18("5","1","5","2","9","10","1") = "9"
    & skf18("5","1","5","2","10","1","1") = "9"
    & skf18("5","1","5","2","10","2","1") = "9"
    & skf18("5","1","5","2","10","3","1") = "9"
    & skf18("5","1","5","2","10","4","1") = "9"
    & skf18("5","1","5","2","10","5","1") = "9"
    & skf18("5","1","5","2","10","6","1") = "9"
    & skf18("5","1","5","2","10","7","1") = "9"
    & skf18("5","1","5","2","10","8","1") = "9"
    & skf18("5","1","5","2","10","9","1") = "9"
    & skf18("5","1","5","2","10","10","1") = "9"
    & skf18("5","1","5","3","1","1","1") = "4"
    & skf18("5","1","5","3","1","2","1") = "4"
    & skf18("5","1","5","3","1","3","1") = "4"
    & skf18("5","1","5","3","1","4","1") = "4"
    & skf18("5","1","5","3","1","5","1") = "4"
    & skf18("5","1","5","3","1","6","1") = "5"
    & skf18("5","1","5","3","1","7","1") = "6"
    & skf18("5","1","5","3","1","8","1") = "7"
    & skf18("5","1","5","3","1","9","1") = "8"
    & skf18("5","1","5","3","1","10","1") = "9"
    & skf18("5","1","5","3","2","1","1") = "4"
    & skf18("5","1","5","3","2","2","1") = "4"
    & skf18("5","1","5","3","2","3","1") = "4"
    & skf18("5","1","5","3","2","4","1") = "4"
    & skf18("5","1","5","3","2","5","1") = "4"
    & skf18("5","1","5","3","2","6","1") = "5"
    & skf18("5","1","5","3","2","7","1") = "6"
    & skf18("5","1","5","3","2","8","1") = "7"
    & skf18("5","1","5","3","2","9","1") = "8"
    & skf18("5","1","5","3","2","10","1") = "9"
    & skf18("5","1","5","3","3","1","1") = "4"
    & skf18("5","1","5","3","3","2","1") = "4"
    & skf18("5","1","5","3","3","3","1") = "4"
    & skf18("5","1","5","3","3","4","1") = "4"
    & skf18("5","1","5","3","3","5","1") = "4"
    & skf18("5","1","5","3","3","6","1") = "5"
    & skf18("5","1","5","3","3","7","1") = "6"
    & skf18("5","1","5","3","3","8","1") = "7"
    & skf18("5","1","5","3","3","9","1") = "8"
    & skf18("5","1","5","3","3","10","1") = "9"
    & skf18("5","1","5","3","4","1","1") = "4"
    & skf18("5","1","5","3","4","2","1") = "4"
    & skf18("5","1","5","3","4","3","1") = "4"
    & skf18("5","1","5","3","4","4","1") = "4"
    & skf18("5","1","5","3","4","5","1") = "4"
    & skf18("5","1","5","3","4","6","1") = "5"
    & skf18("5","1","5","3","4","7","1") = "6"
    & skf18("5","1","5","3","4","8","1") = "7"
    & skf18("5","1","5","3","4","9","1") = "8"
    & skf18("5","1","5","3","4","10","1") = "9"
    & skf18("5","1","5","3","5","1","1") = "4"
    & skf18("5","1","5","3","5","2","1") = "4"
    & skf18("5","1","5","3","5","3","1") = "4"
    & skf18("5","1","5","3","5","4","1") = "4"
    & skf18("5","1","5","3","5","5","1") = "4"
    & skf18("5","1","5","3","5","6","1") = "5"
    & skf18("5","1","5","3","5","7","1") = "6"
    & skf18("5","1","5","3","5","8","1") = "7"
    & skf18("5","1","5","3","5","9","1") = "8"
    & skf18("5","1","5","3","5","10","1") = "9"
    & skf18("5","1","5","3","6","1","1") = "5"
    & skf18("5","1","5","3","6","2","1") = "5"
    & skf18("5","1","5","3","6","3","1") = "5"
    & skf18("5","1","5","3","6","4","1") = "5"
    & skf18("5","1","5","3","6","5","1") = "5"
    & skf18("5","1","5","3","6","6","1") = "5"
    & skf18("5","1","5","3","6","7","1") = "6"
    & skf18("5","1","5","3","6","8","1") = "7"
    & skf18("5","1","5","3","6","9","1") = "8"
    & skf18("5","1","5","3","6","10","1") = "9"
    & skf18("5","1","5","3","7","1","1") = "6"
    & skf18("5","1","5","3","7","2","1") = "6"
    & skf18("5","1","5","3","7","3","1") = "6"
    & skf18("5","1","5","3","7","4","1") = "6"
    & skf18("5","1","5","3","7","5","1") = "6"
    & skf18("5","1","5","3","7","6","1") = "6"
    & skf18("5","1","5","3","7","7","1") = "6"
    & skf18("5","1","5","3","7","8","1") = "7"
    & skf18("5","1","5","3","7","9","1") = "8"
    & skf18("5","1","5","3","7","10","1") = "9"
    & skf18("5","1","5","3","8","1","1") = "7"
    & skf18("5","1","5","3","8","2","1") = "7"
    & skf18("5","1","5","3","8","3","1") = "7"
    & skf18("5","1","5","3","8","4","1") = "7"
    & skf18("5","1","5","3","8","5","1") = "7"
    & skf18("5","1","5","3","8","6","1") = "7"
    & skf18("5","1","5","3","8","7","1") = "7"
    & skf18("5","1","5","3","8","8","1") = "7"
    & skf18("5","1","5","3","8","9","1") = "8"
    & skf18("5","1","5","3","8","10","1") = "9"
    & skf18("5","1","5","3","9","1","1") = "8"
    & skf18("5","1","5","3","9","2","1") = "8"
    & skf18("5","1","5","3","9","3","1") = "8"
    & skf18("5","1","5","3","9","4","1") = "8"
    & skf18("5","1","5","3","9","5","1") = "8"
    & skf18("5","1","5","3","9","6","1") = "8"
    & skf18("5","1","5","3","9","7","1") = "8"
    & skf18("5","1","5","3","9","8","1") = "8"
    & skf18("5","1","5","3","9","9","1") = "8"
    & skf18("5","1","5","3","9","10","1") = "9"
    & skf18("5","1","5","3","10","1","1") = "9"
    & skf18("5","1","5","3","10","2","1") = "9"
    & skf18("5","1","5","3","10","3","1") = "9"
    & skf18("5","1","5","3","10","4","1") = "9"
    & skf18("5","1","5","3","10","5","1") = "9"
    & skf18("5","1","5","3","10","6","1") = "9"
    & skf18("5","1","5","3","10","7","1") = "9"
    & skf18("5","1","5","3","10","8","1") = "9"
    & skf18("5","1","5","3","10","9","1") = "9"
    & skf18("5","1","5","3","10","10","1") = "9"
    & skf18("5","1","5","4","1","1","1") = "4"
    & skf18("5","1","5","4","1","2","1") = "4"
    & skf18("5","1","5","4","1","3","1") = "4"
    & skf18("5","1","5","4","1","4","1") = "4"
    & skf18("5","1","5","4","1","5","1") = "4"
    & skf18("5","1","5","4","1","6","1") = "5"
    & skf18("5","1","5","4","1","7","1") = "6"
    & skf18("5","1","5","4","1","8","1") = "7"
    & skf18("5","1","5","4","1","9","1") = "8"
    & skf18("5","1","5","4","1","10","1") = "9"
    & skf18("5","1","5","4","2","1","1") = "4"
    & skf18("5","1","5","4","2","2","1") = "4"
    & skf18("5","1","5","4","2","3","1") = "4"
    & skf18("5","1","5","4","2","4","1") = "4"
    & skf18("5","1","5","4","2","5","1") = "4"
    & skf18("5","1","5","4","2","6","1") = "5"
    & skf18("5","1","5","4","2","7","1") = "6"
    & skf18("5","1","5","4","2","8","1") = "7"
    & skf18("5","1","5","4","2","9","1") = "8"
    & skf18("5","1","5","4","2","10","1") = "9"
    & skf18("5","1","5","4","3","1","1") = "4"
    & skf18("5","1","5","4","3","2","1") = "4"
    & skf18("5","1","5","4","3","3","1") = "4"
    & skf18("5","1","5","4","3","4","1") = "4"
    & skf18("5","1","5","4","3","5","1") = "4"
    & skf18("5","1","5","4","3","6","1") = "5"
    & skf18("5","1","5","4","3","7","1") = "6"
    & skf18("5","1","5","4","3","8","1") = "7"
    & skf18("5","1","5","4","3","9","1") = "8"
    & skf18("5","1","5","4","3","10","1") = "9"
    & skf18("5","1","5","4","4","1","1") = "4"
    & skf18("5","1","5","4","4","2","1") = "4"
    & skf18("5","1","5","4","4","3","1") = "4"
    & skf18("5","1","5","4","4","4","1") = "4"
    & skf18("5","1","5","4","4","5","1") = "4"
    & skf18("5","1","5","4","4","6","1") = "5"
    & skf18("5","1","5","4","4","7","1") = "6"
    & skf18("5","1","5","4","4","8","1") = "7"
    & skf18("5","1","5","4","4","9","1") = "8"
    & skf18("5","1","5","4","4","10","1") = "9"
    & skf18("5","1","5","4","5","1","1") = "4"
    & skf18("5","1","5","4","5","2","1") = "4"
    & skf18("5","1","5","4","5","3","1") = "4"
    & skf18("5","1","5","4","5","4","1") = "4"
    & skf18("5","1","5","4","5","5","1") = "4"
    & skf18("5","1","5","4","5","6","1") = "5"
    & skf18("5","1","5","4","5","7","1") = "6"
    & skf18("5","1","5","4","5","8","1") = "7"
    & skf18("5","1","5","4","5","9","1") = "8"
    & skf18("5","1","5","4","5","10","1") = "9"
    & skf18("5","1","5","4","6","1","1") = "5"
    & skf18("5","1","5","4","6","2","1") = "5"
    & skf18("5","1","5","4","6","3","1") = "5"
    & skf18("5","1","5","4","6","4","1") = "5"
    & skf18("5","1","5","4","6","5","1") = "5"
    & skf18("5","1","5","4","6","6","1") = "5"
    & skf18("5","1","5","4","6","7","1") = "6"
    & skf18("5","1","5","4","6","8","1") = "7"
    & skf18("5","1","5","4","6","9","1") = "8"
    & skf18("5","1","5","4","6","10","1") = "9"
    & skf18("5","1","5","4","7","1","1") = "6"
    & skf18("5","1","5","4","7","2","1") = "6"
    & skf18("5","1","5","4","7","3","1") = "6"
    & skf18("5","1","5","4","7","4","1") = "6"
    & skf18("5","1","5","4","7","5","1") = "6"
    & skf18("5","1","5","4","7","6","1") = "6"
    & skf18("5","1","5","4","7","7","1") = "6"
    & skf18("5","1","5","4","7","8","1") = "7"
    & skf18("5","1","5","4","7","9","1") = "8"
    & skf18("5","1","5","4","7","10","1") = "9"
    & skf18("5","1","5","4","8","1","1") = "7"
    & skf18("5","1","5","4","8","2","1") = "7"
    & skf18("5","1","5","4","8","3","1") = "7"
    & skf18("5","1","5","4","8","4","1") = "7"
    & skf18("5","1","5","4","8","5","1") = "7"
    & skf18("5","1","5","4","8","6","1") = "7"
    & skf18("5","1","5","4","8","7","1") = "7"
    & skf18("5","1","5","4","8","8","1") = "7"
    & skf18("5","1","5","4","8","9","1") = "8"
    & skf18("5","1","5","4","8","10","1") = "9"
    & skf18("5","1","5","4","9","1","1") = "8"
    & skf18("5","1","5","4","9","2","1") = "8"
    & skf18("5","1","5","4","9","3","1") = "8"
    & skf18("5","1","5","4","9","4","1") = "8"
    & skf18("5","1","5","4","9","5","1") = "8"
    & skf18("5","1","5","4","9","6","1") = "8"
    & skf18("5","1","5","4","9","7","1") = "8"
    & skf18("5","1","5","4","9","8","1") = "8"
    & skf18("5","1","5","4","9","9","1") = "8"
    & skf18("5","1","5","4","9","10","1") = "9"
    & skf18("5","1","5","4","10","1","1") = "9"
    & skf18("5","1","5","4","10","2","1") = "9"
    & skf18("5","1","5","4","10","3","1") = "9"
    & skf18("5","1","5","4","10","4","1") = "9"
    & skf18("5","1","5","4","10","5","1") = "9"
    & skf18("5","1","5","4","10","6","1") = "9"
    & skf18("5","1","5","4","10","7","1") = "9"
    & skf18("5","1","5","4","10","8","1") = "9"
    & skf18("5","1","5","4","10","9","1") = "9"
    & skf18("5","1","5","4","10","10","1") = "9"
    & skf18("5","1","5","5","1","1","1") = "4"
    & skf18("5","1","5","5","1","2","1") = "4"
    & skf18("5","1","5","5","1","3","1") = "4"
    & skf18("5","1","5","5","1","4","1") = "4"
    & skf18("5","1","5","5","1","5","1") = "4"
    & skf18("5","1","5","5","1","6","1") = "5"
    & skf18("5","1","5","5","1","7","1") = "6"
    & skf18("5","1","5","5","1","8","1") = "7"
    & skf18("5","1","5","5","1","9","1") = "8"
    & skf18("5","1","5","5","1","10","1") = "9"
    & skf18("5","1","5","5","2","1","1") = "4"
    & skf18("5","1","5","5","2","2","1") = "4"
    & skf18("5","1","5","5","2","3","1") = "4"
    & skf18("5","1","5","5","2","4","1") = "4"
    & skf18("5","1","5","5","2","5","1") = "4"
    & skf18("5","1","5","5","2","6","1") = "5"
    & skf18("5","1","5","5","2","7","1") = "6"
    & skf18("5","1","5","5","2","8","1") = "7"
    & skf18("5","1","5","5","2","9","1") = "8"
    & skf18("5","1","5","5","2","10","1") = "9"
    & skf18("5","1","5","5","3","1","1") = "4"
    & skf18("5","1","5","5","3","2","1") = "4"
    & skf18("5","1","5","5","3","3","1") = "4"
    & skf18("5","1","5","5","3","4","1") = "4"
    & skf18("5","1","5","5","3","5","1") = "4"
    & skf18("5","1","5","5","3","6","1") = "5"
    & skf18("5","1","5","5","3","7","1") = "6"
    & skf18("5","1","5","5","3","8","1") = "7"
    & skf18("5","1","5","5","3","9","1") = "8"
    & skf18("5","1","5","5","3","10","1") = "9"
    & skf18("5","1","5","5","4","1","1") = "4"
    & skf18("5","1","5","5","4","2","1") = "4"
    & skf18("5","1","5","5","4","3","1") = "4"
    & skf18("5","1","5","5","4","4","1") = "4"
    & skf18("5","1","5","5","4","5","1") = "4"
    & skf18("5","1","5","5","4","6","1") = "5"
    & skf18("5","1","5","5","4","7","1") = "6"
    & skf18("5","1","5","5","4","8","1") = "7"
    & skf18("5","1","5","5","4","9","1") = "8"
    & skf18("5","1","5","5","4","10","1") = "9"
    & skf18("5","1","5","5","5","1","1") = "4"
    & skf18("5","1","5","5","5","2","1") = "4"
    & skf18("5","1","5","5","5","3","1") = "4"
    & skf18("5","1","5","5","5","4","1") = "4"
    & skf18("5","1","5","5","5","5","1") = "4"
    & skf18("5","1","5","5","5","6","1") = "5"
    & skf18("5","1","5","5","5","7","1") = "6"
    & skf18("5","1","5","5","5","8","1") = "7"
    & skf18("5","1","5","5","5","9","1") = "8"
    & skf18("5","1","5","5","5","10","1") = "9"
    & skf18("5","1","5","5","6","1","1") = "5"
    & skf18("5","1","5","5","6","2","1") = "5"
    & skf18("5","1","5","5","6","3","1") = "5"
    & skf18("5","1","5","5","6","4","1") = "5"
    & skf18("5","1","5","5","6","5","1") = "5"
    & skf18("5","1","5","5","6","6","1") = "5"
    & skf18("5","1","5","5","6","7","1") = "6"
    & skf18("5","1","5","5","6","8","1") = "7"
    & skf18("5","1","5","5","6","9","1") = "8"
    & skf18("5","1","5","5","6","10","1") = "9"
    & skf18("5","1","5","5","7","1","1") = "6"
    & skf18("5","1","5","5","7","2","1") = "6"
    & skf18("5","1","5","5","7","3","1") = "6"
    & skf18("5","1","5","5","7","4","1") = "6"
    & skf18("5","1","5","5","7","5","1") = "6"
    & skf18("5","1","5","5","7","6","1") = "6"
    & skf18("5","1","5","5","7","7","1") = "6"
    & skf18("5","1","5","5","7","8","1") = "7"
    & skf18("5","1","5","5","7","9","1") = "8"
    & skf18("5","1","5","5","7","10","1") = "9"
    & skf18("5","1","5","5","8","1","1") = "7"
    & skf18("5","1","5","5","8","2","1") = "7"
    & skf18("5","1","5","5","8","3","1") = "7"
    & skf18("5","1","5","5","8","4","1") = "7"
    & skf18("5","1","5","5","8","5","1") = "7"
    & skf18("5","1","5","5","8","6","1") = "7"
    & skf18("5","1","5","5","8","7","1") = "7"
    & skf18("5","1","5","5","8","8","1") = "7"
    & skf18("5","1","5","5","8","9","1") = "8"
    & skf18("5","1","5","5","8","10","1") = "9"
    & skf18("5","1","5","5","9","1","1") = "8"
    & skf18("5","1","5","5","9","2","1") = "8"
    & skf18("5","1","5","5","9","3","1") = "8"
    & skf18("5","1","5","5","9","4","1") = "8"
    & skf18("5","1","5","5","9","5","1") = "8"
    & skf18("5","1","5","5","9","6","1") = "8"
    & skf18("5","1","5","5","9","7","1") = "8"
    & skf18("5","1","5","5","9","8","1") = "8"
    & skf18("5","1","5","5","9","9","1") = "8"
    & skf18("5","1","5","5","9","10","1") = "9"
    & skf18("5","1","5","5","10","1","1") = "9"
    & skf18("5","1","5","5","10","2","1") = "9"
    & skf18("5","1","5","5","10","3","1") = "9"
    & skf18("5","1","5","5","10","4","1") = "9"
    & skf18("5","1","5","5","10","5","1") = "9"
    & skf18("5","1","5","5","10","6","1") = "9"
    & skf18("5","1","5","5","10","7","1") = "9"
    & skf18("5","1","5","5","10","8","1") = "9"
    & skf18("5","1","5","5","10","9","1") = "9"
    & skf18("5","1","5","5","10","10","1") = "9"
    & skf18("5","1","5","6","1","1","1") = "5"
    & skf18("5","1","5","6","1","2","1") = "5"
    & skf18("5","1","5","6","1","3","1") = "5"
    & skf18("5","1","5","6","1","4","1") = "5"
    & skf18("5","1","5","6","1","5","1") = "5"
    & skf18("5","1","5","6","1","6","1") = "5"
    & skf18("5","1","5","6","1","7","1") = "6"
    & skf18("5","1","5","6","1","8","1") = "7"
    & skf18("5","1","5","6","1","9","1") = "8"
    & skf18("5","1","5","6","1","10","1") = "9"
    & skf18("5","1","5","6","2","1","1") = "5"
    & skf18("5","1","5","6","2","2","1") = "5"
    & skf18("5","1","5","6","2","3","1") = "5"
    & skf18("5","1","5","6","2","4","1") = "5"
    & skf18("5","1","5","6","2","5","1") = "5"
    & skf18("5","1","5","6","2","6","1") = "5"
    & skf18("5","1","5","6","2","7","1") = "6"
    & skf18("5","1","5","6","2","8","1") = "7"
    & skf18("5","1","5","6","2","9","1") = "8"
    & skf18("5","1","5","6","2","10","1") = "9"
    & skf18("5","1","5","6","3","1","1") = "5"
    & skf18("5","1","5","6","3","2","1") = "5"
    & skf18("5","1","5","6","3","3","1") = "5"
    & skf18("5","1","5","6","3","4","1") = "5"
    & skf18("5","1","5","6","3","5","1") = "5"
    & skf18("5","1","5","6","3","6","1") = "5"
    & skf18("5","1","5","6","3","7","1") = "6"
    & skf18("5","1","5","6","3","8","1") = "7"
    & skf18("5","1","5","6","3","9","1") = "8"
    & skf18("5","1","5","6","3","10","1") = "9"
    & skf18("5","1","5","6","4","1","1") = "5"
    & skf18("5","1","5","6","4","2","1") = "5"
    & skf18("5","1","5","6","4","3","1") = "5"
    & skf18("5","1","5","6","4","4","1") = "5"
    & skf18("5","1","5","6","4","5","1") = "5"
    & skf18("5","1","5","6","4","6","1") = "5"
    & skf18("5","1","5","6","4","7","1") = "6"
    & skf18("5","1","5","6","4","8","1") = "7"
    & skf18("5","1","5","6","4","9","1") = "8"
    & skf18("5","1","5","6","4","10","1") = "9"
    & skf18("5","1","5","6","5","1","1") = "5"
    & skf18("5","1","5","6","5","2","1") = "5"
    & skf18("5","1","5","6","5","3","1") = "5"
    & skf18("5","1","5","6","5","4","1") = "5"
    & skf18("5","1","5","6","5","5","1") = "5"
    & skf18("5","1","5","6","5","6","1") = "5"
    & skf18("5","1","5","6","5","7","1") = "6"
    & skf18("5","1","5","6","5","8","1") = "7"
    & skf18("5","1","5","6","5","9","1") = "8"
    & skf18("5","1","5","6","5","10","1") = "9"
    & skf18("5","1","5","6","6","1","1") = "5"
    & skf18("5","1","5","6","6","2","1") = "5"
    & skf18("5","1","5","6","6","3","1") = "5"
    & skf18("5","1","5","6","6","4","1") = "5"
    & skf18("5","1","5","6","6","5","1") = "5"
    & skf18("5","1","5","6","6","6","1") = "5"
    & skf18("5","1","5","6","6","7","1") = "6"
    & skf18("5","1","5","6","6","8","1") = "7"
    & skf18("5","1","5","6","6","9","1") = "8"
    & skf18("5","1","5","6","6","10","1") = "9"
    & skf18("5","1","5","6","7","1","1") = "6"
    & skf18("5","1","5","6","7","2","1") = "6"
    & skf18("5","1","5","6","7","3","1") = "6"
    & skf18("5","1","5","6","7","4","1") = "6"
    & skf18("5","1","5","6","7","5","1") = "6"
    & skf18("5","1","5","6","7","6","1") = "6"
    & skf18("5","1","5","6","7","7","1") = "6"
    & skf18("5","1","5","6","7","8","1") = "7"
    & skf18("5","1","5","6","7","9","1") = "8"
    & skf18("5","1","5","6","7","10","1") = "9"
    & skf18("5","1","5","6","8","1","1") = "7"
    & skf18("5","1","5","6","8","2","1") = "7"
    & skf18("5","1","5","6","8","3","1") = "7"
    & skf18("5","1","5","6","8","4","1") = "7"
    & skf18("5","1","5","6","8","5","1") = "7"
    & skf18("5","1","5","6","8","6","1") = "7"
    & skf18("5","1","5","6","8","7","1") = "7"
    & skf18("5","1","5","6","8","8","1") = "7"
    & skf18("5","1","5","6","8","9","1") = "8"
    & skf18("5","1","5","6","8","10","1") = "9"
    & skf18("5","1","5","6","9","1","1") = "8"
    & skf18("5","1","5","6","9","2","1") = "8"
    & skf18("5","1","5","6","9","3","1") = "8"
    & skf18("5","1","5","6","9","4","1") = "8"
    & skf18("5","1","5","6","9","5","1") = "8"
    & skf18("5","1","5","6","9","6","1") = "8"
    & skf18("5","1","5","6","9","7","1") = "8"
    & skf18("5","1","5","6","9","8","1") = "8"
    & skf18("5","1","5","6","9","9","1") = "8"
    & skf18("5","1","5","6","9","10","1") = "9"
    & skf18("5","1","5","6","10","1","1") = "9"
    & skf18("5","1","5","6","10","2","1") = "9"
    & skf18("5","1","5","6","10","3","1") = "9"
    & skf18("5","1","5","6","10","4","1") = "9"
    & skf18("5","1","5","6","10","5","1") = "9"
    & skf18("5","1","5","6","10","6","1") = "9"
    & skf18("5","1","5","6","10","7","1") = "9"
    & skf18("5","1","5","6","10","8","1") = "9"
    & skf18("5","1","5","6","10","9","1") = "9"
    & skf18("5","1","5","6","10","10","1") = "9"
    & skf18("5","1","5","7","1","1","1") = "6"
    & skf18("5","1","5","7","1","2","1") = "6"
    & skf18("5","1","5","7","1","3","1") = "6"
    & skf18("5","1","5","7","1","4","1") = "6"
    & skf18("5","1","5","7","1","5","1") = "6"
    & skf18("5","1","5","7","1","6","1") = "6"
    & skf18("5","1","5","7","1","7","1") = "6"
    & skf18("5","1","5","7","1","8","1") = "7"
    & skf18("5","1","5","7","1","9","1") = "8"
    & skf18("5","1","5","7","1","10","1") = "9"
    & skf18("5","1","5","7","2","1","1") = "6"
    & skf18("5","1","5","7","2","2","1") = "6"
    & skf18("5","1","5","7","2","3","1") = "6"
    & skf18("5","1","5","7","2","4","1") = "6"
    & skf18("5","1","5","7","2","5","1") = "6"
    & skf18("5","1","5","7","2","6","1") = "6"
    & skf18("5","1","5","7","2","7","1") = "6"
    & skf18("5","1","5","7","2","8","1") = "7"
    & skf18("5","1","5","7","2","9","1") = "8"
    & skf18("5","1","5","7","2","10","1") = "9"
    & skf18("5","1","5","7","3","1","1") = "6"
    & skf18("5","1","5","7","3","2","1") = "6"
    & skf18("5","1","5","7","3","3","1") = "6"
    & skf18("5","1","5","7","3","4","1") = "6"
    & skf18("5","1","5","7","3","5","1") = "6"
    & skf18("5","1","5","7","3","6","1") = "6"
    & skf18("5","1","5","7","3","7","1") = "6"
    & skf18("5","1","5","7","3","8","1") = "7"
    & skf18("5","1","5","7","3","9","1") = "8"
    & skf18("5","1","5","7","3","10","1") = "9"
    & skf18("5","1","5","7","4","1","1") = "6"
    & skf18("5","1","5","7","4","2","1") = "6"
    & skf18("5","1","5","7","4","3","1") = "6"
    & skf18("5","1","5","7","4","4","1") = "6"
    & skf18("5","1","5","7","4","5","1") = "6"
    & skf18("5","1","5","7","4","6","1") = "6"
    & skf18("5","1","5","7","4","7","1") = "6"
    & skf18("5","1","5","7","4","8","1") = "7"
    & skf18("5","1","5","7","4","9","1") = "8"
    & skf18("5","1","5","7","4","10","1") = "9"
    & skf18("5","1","5","7","5","1","1") = "6"
    & skf18("5","1","5","7","5","2","1") = "6"
    & skf18("5","1","5","7","5","3","1") = "6"
    & skf18("5","1","5","7","5","4","1") = "6"
    & skf18("5","1","5","7","5","5","1") = "6"
    & skf18("5","1","5","7","5","6","1") = "6"
    & skf18("5","1","5","7","5","7","1") = "6"
    & skf18("5","1","5","7","5","8","1") = "7"
    & skf18("5","1","5","7","5","9","1") = "8"
    & skf18("5","1","5","7","5","10","1") = "9"
    & skf18("5","1","5","7","6","1","1") = "6"
    & skf18("5","1","5","7","6","2","1") = "6"
    & skf18("5","1","5","7","6","3","1") = "6"
    & skf18("5","1","5","7","6","4","1") = "6"
    & skf18("5","1","5","7","6","5","1") = "6"
    & skf18("5","1","5","7","6","6","1") = "6"
    & skf18("5","1","5","7","6","7","1") = "6"
    & skf18("5","1","5","7","6","8","1") = "7"
    & skf18("5","1","5","7","6","9","1") = "8"
    & skf18("5","1","5","7","6","10","1") = "9"
    & skf18("5","1","5","7","7","1","1") = "6"
    & skf18("5","1","5","7","7","2","1") = "6"
    & skf18("5","1","5","7","7","3","1") = "6"
    & skf18("5","1","5","7","7","4","1") = "6"
    & skf18("5","1","5","7","7","5","1") = "6"
    & skf18("5","1","5","7","7","6","1") = "6"
    & skf18("5","1","5","7","7","7","1") = "6"
    & skf18("5","1","5","7","7","8","1") = "7"
    & skf18("5","1","5","7","7","9","1") = "8"
    & skf18("5","1","5","7","7","10","1") = "9"
    & skf18("5","1","5","7","8","1","1") = "7"
    & skf18("5","1","5","7","8","2","1") = "7"
    & skf18("5","1","5","7","8","3","1") = "7"
    & skf18("5","1","5","7","8","4","1") = "7"
    & skf18("5","1","5","7","8","5","1") = "7"
    & skf18("5","1","5","7","8","6","1") = "7"
    & skf18("5","1","5","7","8","7","1") = "7"
    & skf18("5","1","5","7","8","8","1") = "7"
    & skf18("5","1","5","7","8","9","1") = "8"
    & skf18("5","1","5","7","8","10","1") = "9"
    & skf18("5","1","5","7","9","1","1") = "8"
    & skf18("5","1","5","7","9","2","1") = "8"
    & skf18("5","1","5","7","9","3","1") = "8"
    & skf18("5","1","5","7","9","4","1") = "8"
    & skf18("5","1","5","7","9","5","1") = "8"
    & skf18("5","1","5","7","9","6","1") = "8"
    & skf18("5","1","5","7","9","7","1") = "8"
    & skf18("5","1","5","7","9","8","1") = "8"
    & skf18("5","1","5","7","9","9","1") = "8"
    & skf18("5","1","5","7","9","10","1") = "9"
    & skf18("5","1","5","7","10","1","1") = "9"
    & skf18("5","1","5","7","10","2","1") = "9"
    & skf18("5","1","5","7","10","3","1") = "9"
    & skf18("5","1","5","7","10","4","1") = "9"
    & skf18("5","1","5","7","10","5","1") = "9"
    & skf18("5","1","5","7","10","6","1") = "9"
    & skf18("5","1","5","7","10","7","1") = "9"
    & skf18("5","1","5","7","10","8","1") = "9"
    & skf18("5","1","5","7","10","9","1") = "9"
    & skf18("5","1","5","7","10","10","1") = "9"
    & skf18("5","1","5","8","1","1","1") = "7"
    & skf18("5","1","5","8","1","2","1") = "7"
    & skf18("5","1","5","8","1","3","1") = "7"
    & skf18("5","1","5","8","1","4","1") = "7"
    & skf18("5","1","5","8","1","5","1") = "7"
    & skf18("5","1","5","8","1","6","1") = "7"
    & skf18("5","1","5","8","1","7","1") = "7"
    & skf18("5","1","5","8","1","8","1") = "7"
    & skf18("5","1","5","8","1","9","1") = "8"
    & skf18("5","1","5","8","1","10","1") = "9"
    & skf18("5","1","5","8","2","1","1") = "7"
    & skf18("5","1","5","8","2","2","1") = "7"
    & skf18("5","1","5","8","2","3","1") = "7"
    & skf18("5","1","5","8","2","4","1") = "7"
    & skf18("5","1","5","8","2","5","1") = "7"
    & skf18("5","1","5","8","2","6","1") = "7"
    & skf18("5","1","5","8","2","7","1") = "7"
    & skf18("5","1","5","8","2","8","1") = "7"
    & skf18("5","1","5","8","2","9","1") = "8"
    & skf18("5","1","5","8","2","10","1") = "9"
    & skf18("5","1","5","8","3","1","1") = "7"
    & skf18("5","1","5","8","3","2","1") = "7"
    & skf18("5","1","5","8","3","3","1") = "7"
    & skf18("5","1","5","8","3","4","1") = "7"
    & skf18("5","1","5","8","3","5","1") = "7"
    & skf18("5","1","5","8","3","6","1") = "7"
    & skf18("5","1","5","8","3","7","1") = "7"
    & skf18("5","1","5","8","3","8","1") = "7"
    & skf18("5","1","5","8","3","9","1") = "8"
    & skf18("5","1","5","8","3","10","1") = "9"
    & skf18("5","1","5","8","4","1","1") = "7"
    & skf18("5","1","5","8","4","2","1") = "7"
    & skf18("5","1","5","8","4","3","1") = "7"
    & skf18("5","1","5","8","4","4","1") = "7"
    & skf18("5","1","5","8","4","5","1") = "7"
    & skf18("5","1","5","8","4","6","1") = "7"
    & skf18("5","1","5","8","4","7","1") = "7"
    & skf18("5","1","5","8","4","8","1") = "7"
    & skf18("5","1","5","8","4","9","1") = "8"
    & skf18("5","1","5","8","4","10","1") = "9"
    & skf18("5","1","5","8","5","1","1") = "7"
    & skf18("5","1","5","8","5","2","1") = "7"
    & skf18("5","1","5","8","5","3","1") = "7"
    & skf18("5","1","5","8","5","4","1") = "7"
    & skf18("5","1","5","8","5","5","1") = "7"
    & skf18("5","1","5","8","5","6","1") = "7"
    & skf18("5","1","5","8","5","7","1") = "7"
    & skf18("5","1","5","8","5","8","1") = "7"
    & skf18("5","1","5","8","5","9","1") = "8"
    & skf18("5","1","5","8","5","10","1") = "9"
    & skf18("5","1","5","8","6","1","1") = "7"
    & skf18("5","1","5","8","6","2","1") = "7"
    & skf18("5","1","5","8","6","3","1") = "7"
    & skf18("5","1","5","8","6","4","1") = "7"
    & skf18("5","1","5","8","6","5","1") = "7"
    & skf18("5","1","5","8","6","6","1") = "7"
    & skf18("5","1","5","8","6","7","1") = "7"
    & skf18("5","1","5","8","6","8","1") = "7"
    & skf18("5","1","5","8","6","9","1") = "8"
    & skf18("5","1","5","8","6","10","1") = "9"
    & skf18("5","1","5","8","7","1","1") = "7"
    & skf18("5","1","5","8","7","2","1") = "7"
    & skf18("5","1","5","8","7","3","1") = "7"
    & skf18("5","1","5","8","7","4","1") = "7"
    & skf18("5","1","5","8","7","5","1") = "7"
    & skf18("5","1","5","8","7","6","1") = "7"
    & skf18("5","1","5","8","7","7","1") = "7"
    & skf18("5","1","5","8","7","8","1") = "7"
    & skf18("5","1","5","8","7","9","1") = "8"
    & skf18("5","1","5","8","7","10","1") = "9"
    & skf18("5","1","5","8","8","1","1") = "7"
    & skf18("5","1","5","8","8","2","1") = "7"
    & skf18("5","1","5","8","8","3","1") = "7"
    & skf18("5","1","5","8","8","4","1") = "7"
    & skf18("5","1","5","8","8","5","1") = "7"
    & skf18("5","1","5","8","8","6","1") = "7"
    & skf18("5","1","5","8","8","7","1") = "7"
    & skf18("5","1","5","8","8","8","1") = "7"
    & skf18("5","1","5","8","8","9","1") = "8"
    & skf18("5","1","5","8","8","10","1") = "9"
    & skf18("5","1","5","8","9","1","1") = "8"
    & skf18("5","1","5","8","9","2","1") = "8"
    & skf18("5","1","5","8","9","3","1") = "8"
    & skf18("5","1","5","8","9","4","1") = "8"
    & skf18("5","1","5","8","9","5","1") = "8"
    & skf18("5","1","5","8","9","6","1") = "8"
    & skf18("5","1","5","8","9","7","1") = "8"
    & skf18("5","1","5","8","9","8","1") = "8"
    & skf18("5","1","5","8","9","9","1") = "8"
    & skf18("5","1","5","8","9","10","1") = "9"
    & skf18("5","1","5","8","10","1","1") = "9"
    & skf18("5","1","5","8","10","2","1") = "9"
    & skf18("5","1","5","8","10","3","1") = "9"
    & skf18("5","1","5","8","10","4","1") = "9"
    & skf18("5","1","5","8","10","5","1") = "9"
    & skf18("5","1","5","8","10","6","1") = "9"
    & skf18("5","1","5","8","10","7","1") = "9"
    & skf18("5","1","5","8","10","8","1") = "9"
    & skf18("5","1","5","8","10","9","1") = "9"
    & skf18("5","1","5","8","10","10","1") = "9"
    & skf18("5","1","5","9","1","1","1") = "8"
    & skf18("5","1","5","9","1","2","1") = "8"
    & skf18("5","1","5","9","1","3","1") = "8"
    & skf18("5","1","5","9","1","4","1") = "8"
    & skf18("5","1","5","9","1","5","1") = "8"
    & skf18("5","1","5","9","1","6","1") = "8"
    & skf18("5","1","5","9","1","7","1") = "8"
    & skf18("5","1","5","9","1","8","1") = "8"
    & skf18("5","1","5","9","1","9","1") = "8"
    & skf18("5","1","5","9","1","10","1") = "9"
    & skf18("5","1","5","9","2","1","1") = "8"
    & skf18("5","1","5","9","2","2","1") = "8"
    & skf18("5","1","5","9","2","3","1") = "8"
    & skf18("5","1","5","9","2","4","1") = "8"
    & skf18("5","1","5","9","2","5","1") = "8"
    & skf18("5","1","5","9","2","6","1") = "8"
    & skf18("5","1","5","9","2","7","1") = "8"
    & skf18("5","1","5","9","2","8","1") = "8"
    & skf18("5","1","5","9","2","9","1") = "8"
    & skf18("5","1","5","9","2","10","1") = "9"
    & skf18("5","1","5","9","3","1","1") = "8"
    & skf18("5","1","5","9","3","2","1") = "8"
    & skf18("5","1","5","9","3","3","1") = "8"
    & skf18("5","1","5","9","3","4","1") = "8"
    & skf18("5","1","5","9","3","5","1") = "8"
    & skf18("5","1","5","9","3","6","1") = "8"
    & skf18("5","1","5","9","3","7","1") = "8"
    & skf18("5","1","5","9","3","8","1") = "8"
    & skf18("5","1","5","9","3","9","1") = "8"
    & skf18("5","1","5","9","3","10","1") = "9"
    & skf18("5","1","5","9","4","1","1") = "8"
    & skf18("5","1","5","9","4","2","1") = "8"
    & skf18("5","1","5","9","4","3","1") = "8"
    & skf18("5","1","5","9","4","4","1") = "8"
    & skf18("5","1","5","9","4","5","1") = "8"
    & skf18("5","1","5","9","4","6","1") = "8"
    & skf18("5","1","5","9","4","7","1") = "8"
    & skf18("5","1","5","9","4","8","1") = "8"
    & skf18("5","1","5","9","4","9","1") = "8"
    & skf18("5","1","5","9","4","10","1") = "9"
    & skf18("5","1","5","9","5","1","1") = "8"
    & skf18("5","1","5","9","5","2","1") = "8"
    & skf18("5","1","5","9","5","3","1") = "8"
    & skf18("5","1","5","9","5","4","1") = "8"
    & skf18("5","1","5","9","5","5","1") = "8"
    & skf18("5","1","5","9","5","6","1") = "8"
    & skf18("5","1","5","9","5","7","1") = "8"
    & skf18("5","1","5","9","5","8","1") = "8"
    & skf18("5","1","5","9","5","9","1") = "8"
    & skf18("5","1","5","9","5","10","1") = "9"
    & skf18("5","1","5","9","6","1","1") = "8"
    & skf18("5","1","5","9","6","2","1") = "8"
    & skf18("5","1","5","9","6","3","1") = "8"
    & skf18("5","1","5","9","6","4","1") = "8"
    & skf18("5","1","5","9","6","5","1") = "8"
    & skf18("5","1","5","9","6","6","1") = "8"
    & skf18("5","1","5","9","6","7","1") = "8"
    & skf18("5","1","5","9","6","8","1") = "8"
    & skf18("5","1","5","9","6","9","1") = "8"
    & skf18("5","1","5","9","6","10","1") = "9"
    & skf18("5","1","5","9","7","1","1") = "8"
    & skf18("5","1","5","9","7","2","1") = "8"
    & skf18("5","1","5","9","7","3","1") = "8"
    & skf18("5","1","5","9","7","4","1") = "8"
    & skf18("5","1","5","9","7","5","1") = "8"
    & skf18("5","1","5","9","7","6","1") = "8"
    & skf18("5","1","5","9","7","7","1") = "8"
    & skf18("5","1","5","9","7","8","1") = "8"
    & skf18("5","1","5","9","7","9","1") = "8"
    & skf18("5","1","5","9","7","10","1") = "9"
    & skf18("5","1","5","9","8","1","1") = "8"
    & skf18("5","1","5","9","8","2","1") = "8"
    & skf18("5","1","5","9","8","3","1") = "8"
    & skf18("5","1","5","9","8","4","1") = "8"
    & skf18("5","1","5","9","8","5","1") = "8"
    & skf18("5","1","5","9","8","6","1") = "8"
    & skf18("5","1","5","9","8","7","1") = "8"
    & skf18("5","1","5","9","8","8","1") = "8"
    & skf18("5","1","5","9","8","9","1") = "8"
    & skf18("5","1","5","9","8","10","1") = "9"
    & skf18("5","1","5","9","9","1","1") = "8"
    & skf18("5","1","5","9","9","2","1") = "8"
    & skf18("5","1","5","9","9","3","1") = "8"
    & skf18("5","1","5","9","9","4","1") = "8"
    & skf18("5","1","5","9","9","5","1") = "8"
    & skf18("5","1","5","9","9","6","1") = "8"
    & skf18("5","1","5","9","9","7","1") = "8"
    & skf18("5","1","5","9","9","8","1") = "8"
    & skf18("5","1","5","9","9","9","1") = "8"
    & skf18("5","1","5","9","9","10","1") = "9"
    & skf18("5","1","5","9","10","1","1") = "9"
    & skf18("5","1","5","9","10","2","1") = "9"
    & skf18("5","1","5","9","10","3","1") = "9"
    & skf18("5","1","5","9","10","4","1") = "9"
    & skf18("5","1","5","9","10","5","1") = "9"
    & skf18("5","1","5","9","10","6","1") = "9"
    & skf18("5","1","5","9","10","7","1") = "9"
    & skf18("5","1","5","9","10","8","1") = "9"
    & skf18("5","1","5","9","10","9","1") = "9"
    & skf18("5","1","5","9","10","10","1") = "9"
    & skf18("5","1","5","10","1","1","1") = "9"
    & skf18("5","1","5","10","1","2","1") = "9"
    & skf18("5","1","5","10","1","3","1") = "9"
    & skf18("5","1","5","10","1","4","1") = "9"
    & skf18("5","1","5","10","1","5","1") = "9"
    & skf18("5","1","5","10","1","6","1") = "9"
    & skf18("5","1","5","10","1","7","1") = "9"
    & skf18("5","1","5","10","1","8","1") = "9"
    & skf18("5","1","5","10","1","9","1") = "9"
    & skf18("5","1","5","10","1","10","1") = "9"
    & skf18("5","1","5","10","2","1","1") = "9"
    & skf18("5","1","5","10","2","2","1") = "9"
    & skf18("5","1","5","10","2","3","1") = "9"
    & skf18("5","1","5","10","2","4","1") = "9"
    & skf18("5","1","5","10","2","5","1") = "9"
    & skf18("5","1","5","10","2","6","1") = "9"
    & skf18("5","1","5","10","2","7","1") = "9"
    & skf18("5","1","5","10","2","8","1") = "9"
    & skf18("5","1","5","10","2","9","1") = "9"
    & skf18("5","1","5","10","2","10","1") = "9"
    & skf18("5","1","5","10","3","1","1") = "9"
    & skf18("5","1","5","10","3","2","1") = "9"
    & skf18("5","1","5","10","3","3","1") = "9"
    & skf18("5","1","5","10","3","4","1") = "9"
    & skf18("5","1","5","10","3","5","1") = "9"
    & skf18("5","1","5","10","3","6","1") = "9"
    & skf18("5","1","5","10","3","7","1") = "9"
    & skf18("5","1","5","10","3","8","1") = "9"
    & skf18("5","1","5","10","3","9","1") = "9"
    & skf18("5","1","5","10","3","10","1") = "9"
    & skf18("5","1","5","10","4","1","1") = "9"
    & skf18("5","1","5","10","4","2","1") = "9"
    & skf18("5","1","5","10","4","3","1") = "9"
    & skf18("5","1","5","10","4","4","1") = "9"
    & skf18("5","1","5","10","4","5","1") = "9"
    & skf18("5","1","5","10","4","6","1") = "9"
    & skf18("5","1","5","10","4","7","1") = "9"
    & skf18("5","1","5","10","4","8","1") = "9"
    & skf18("5","1","5","10","4","9","1") = "9"
    & skf18("5","1","5","10","4","10","1") = "9"
    & skf18("5","1","5","10","5","1","1") = "9"
    & skf18("5","1","5","10","5","2","1") = "9"
    & skf18("5","1","5","10","5","3","1") = "9"
    & skf18("5","1","5","10","5","4","1") = "9"
    & skf18("5","1","5","10","5","5","1") = "9"
    & skf18("5","1","5","10","5","6","1") = "9"
    & skf18("5","1","5","10","5","7","1") = "9"
    & skf18("5","1","5","10","5","8","1") = "9"
    & skf18("5","1","5","10","5","9","1") = "9"
    & skf18("5","1","5","10","5","10","1") = "9"
    & skf18("5","1","5","10","6","1","1") = "9"
    & skf18("5","1","5","10","6","2","1") = "9"
    & skf18("5","1","5","10","6","3","1") = "9"
    & skf18("5","1","5","10","6","4","1") = "9"
    & skf18("5","1","5","10","6","5","1") = "9"
    & skf18("5","1","5","10","6","6","1") = "9"
    & skf18("5","1","5","10","6","7","1") = "9"
    & skf18("5","1","5","10","6","8","1") = "9"
    & skf18("5","1","5","10","6","9","1") = "9"
    & skf18("5","1","5","10","6","10","1") = "9"
    & skf18("5","1","5","10","7","1","1") = "9"
    & skf18("5","1","5","10","7","2","1") = "9"
    & skf18("5","1","5","10","7","3","1") = "9"
    & skf18("5","1","5","10","7","4","1") = "9"
    & skf18("5","1","5","10","7","5","1") = "9"
    & skf18("5","1","5","10","7","6","1") = "9"
    & skf18("5","1","5","10","7","7","1") = "9"
    & skf18("5","1","5","10","7","8","1") = "9"
    & skf18("5","1","5","10","7","9","1") = "9"
    & skf18("5","1","5","10","7","10","1") = "9"
    & skf18("5","1","5","10","8","1","1") = "9"
    & skf18("5","1","5","10","8","2","1") = "9"
    & skf18("5","1","5","10","8","3","1") = "9"
    & skf18("5","1","5","10","8","4","1") = "9"
    & skf18("5","1","5","10","8","5","1") = "9"
    & skf18("5","1","5","10","8","6","1") = "9"
    & skf18("5","1","5","10","8","7","1") = "9"
    & skf18("5","1","5","10","8","8","1") = "9"
    & skf18("5","1","5","10","8","9","1") = "9"
    & skf18("5","1","5","10","8","10","1") = "9"
    & skf18("5","1","5","10","9","1","1") = "9"
    & skf18("5","1","5","10","9","2","1") = "9"
    & skf18("5","1","5","10","9","3","1") = "9"
    & skf18("5","1","5","10","9","4","1") = "9"
    & skf18("5","1","5","10","9","5","1") = "9"
    & skf18("5","1","5","10","9","6","1") = "9"
    & skf18("5","1","5","10","9","7","1") = "9"
    & skf18("5","1","5","10","9","8","1") = "9"
    & skf18("5","1","5","10","9","9","1") = "9"
    & skf18("5","1","5","10","9","10","1") = "9"
    & skf18("5","1","5","10","10","1","1") = "9"
    & skf18("5","1","5","10","10","2","1") = "9"
    & skf18("5","1","5","10","10","3","1") = "9"
    & skf18("5","1","5","10","10","4","1") = "9"
    & skf18("5","1","5","10","10","5","1") = "9"
    & skf18("5","1","5","10","10","6","1") = "9"
    & skf18("5","1","5","10","10","7","1") = "9"
    & skf18("5","1","5","10","10","8","1") = "9"
    & skf18("5","1","5","10","10","9","1") = "9"
    & skf18("5","1","5","10","10","10","1") = "9"
    & skf18("5","1","6","1","1","1","1") = "5"
    & skf18("5","1","6","1","1","2","1") = "5"
    & skf18("5","1","6","1","1","3","1") = "5"
    & skf18("5","1","6","1","1","4","1") = "5"
    & skf18("5","1","6","1","1","5","1") = "5"
    & skf18("5","1","6","1","1","6","1") = "5"
    & skf18("5","1","6","1","1","7","1") = "6"
    & skf18("5","1","6","1","1","8","1") = "7"
    & skf18("5","1","6","1","1","9","1") = "8"
    & skf18("5","1","6","1","1","10","1") = "9"
    & skf18("5","1","6","1","2","1","1") = "5"
    & skf18("5","1","6","1","2","2","1") = "5"
    & skf18("5","1","6","1","2","3","1") = "5"
    & skf18("5","1","6","1","2","4","1") = "5"
    & skf18("5","1","6","1","2","5","1") = "5"
    & skf18("5","1","6","1","2","6","1") = "5"
    & skf18("5","1","6","1","2","7","1") = "6"
    & skf18("5","1","6","1","2","8","1") = "7"
    & skf18("5","1","6","1","2","9","1") = "8"
    & skf18("5","1","6","1","2","10","1") = "9"
    & skf18("5","1","6","1","3","1","1") = "5"
    & skf18("5","1","6","1","3","2","1") = "5"
    & skf18("5","1","6","1","3","3","1") = "5"
    & skf18("5","1","6","1","3","4","1") = "5"
    & skf18("5","1","6","1","3","5","1") = "5"
    & skf18("5","1","6","1","3","6","1") = "5"
    & skf18("5","1","6","1","3","7","1") = "6"
    & skf18("5","1","6","1","3","8","1") = "7"
    & skf18("5","1","6","1","3","9","1") = "8"
    & skf18("5","1","6","1","3","10","1") = "9"
    & skf18("5","1","6","1","4","1","1") = "5"
    & skf18("5","1","6","1","4","2","1") = "5"
    & skf18("5","1","6","1","4","3","1") = "5"
    & skf18("5","1","6","1","4","4","1") = "5"
    & skf18("5","1","6","1","4","5","1") = "5"
    & skf18("5","1","6","1","4","6","1") = "5"
    & skf18("5","1","6","1","4","7","1") = "6"
    & skf18("5","1","6","1","4","8","1") = "7"
    & skf18("5","1","6","1","4","9","1") = "8"
    & skf18("5","1","6","1","4","10","1") = "9"
    & skf18("5","1","6","1","5","1","1") = "5"
    & skf18("5","1","6","1","5","2","1") = "5"
    & skf18("5","1","6","1","5","3","1") = "5"
    & skf18("5","1","6","1","5","4","1") = "5"
    & skf18("5","1","6","1","5","5","1") = "5"
    & skf18("5","1","6","1","5","6","1") = "5"
    & skf18("5","1","6","1","5","7","1") = "6"
    & skf18("5","1","6","1","5","8","1") = "7"
    & skf18("5","1","6","1","5","9","1") = "8"
    & skf18("5","1","6","1","5","10","1") = "9"
    & skf18("5","1","6","1","6","1","1") = "5"
    & skf18("5","1","6","1","6","2","1") = "5"
    & skf18("5","1","6","1","6","3","1") = "5"
    & skf18("5","1","6","1","6","4","1") = "5"
    & skf18("5","1","6","1","6","5","1") = "5"
    & skf18("5","1","6","1","6","6","1") = "5"
    & skf18("5","1","6","1","6","7","1") = "6"
    & skf18("5","1","6","1","6","8","1") = "7"
    & skf18("5","1","6","1","6","9","1") = "8"
    & skf18("5","1","6","1","6","10","1") = "9"
    & skf18("5","1","6","1","7","1","1") = "6"
    & skf18("5","1","6","1","7","2","1") = "6"
    & skf18("5","1","6","1","7","3","1") = "6"
    & skf18("5","1","6","1","7","4","1") = "6"
    & skf18("5","1","6","1","7","5","1") = "6"
    & skf18("5","1","6","1","7","6","1") = "6"
    & skf18("5","1","6","1","7","7","1") = "6"
    & skf18("5","1","6","1","7","8","1") = "7"
    & skf18("5","1","6","1","7","9","1") = "8"
    & skf18("5","1","6","1","7","10","1") = "9"
    & skf18("5","1","6","1","8","1","1") = "7"
    & skf18("5","1","6","1","8","2","1") = "7"
    & skf18("5","1","6","1","8","3","1") = "7"
    & skf18("5","1","6","1","8","4","1") = "7"
    & skf18("5","1","6","1","8","5","1") = "7"
    & skf18("5","1","6","1","8","6","1") = "7"
    & skf18("5","1","6","1","8","7","1") = "7"
    & skf18("5","1","6","1","8","8","1") = "7"
    & skf18("5","1","6","1","8","9","1") = "8"
    & skf18("5","1","6","1","8","10","1") = "9"
    & skf18("5","1","6","1","9","1","1") = "8"
    & skf18("5","1","6","1","9","2","1") = "8"
    & skf18("5","1","6","1","9","3","1") = "8"
    & skf18("5","1","6","1","9","4","1") = "8"
    & skf18("5","1","6","1","9","5","1") = "8"
    & skf18("5","1","6","1","9","6","1") = "8"
    & skf18("5","1","6","1","9","7","1") = "8"
    & skf18("5","1","6","1","9","8","1") = "8"
    & skf18("5","1","6","1","9","9","1") = "8"
    & skf18("5","1","6","1","9","10","1") = "9"
    & skf18("5","1","6","1","10","1","1") = "9"
    & skf18("5","1","6","1","10","2","1") = "9"
    & skf18("5","1","6","1","10","3","1") = "9"
    & skf18("5","1","6","1","10","4","1") = "9"
    & skf18("5","1","6","1","10","5","1") = "9"
    & skf18("5","1","6","1","10","6","1") = "9"
    & skf18("5","1","6","1","10","7","1") = "9"
    & skf18("5","1","6","1","10","8","1") = "9"
    & skf18("5","1","6","1","10","9","1") = "9"
    & skf18("5","1","6","1","10","10","1") = "9"
    & skf18("5","1","6","2","1","1","1") = "5"
    & skf18("5","1","6","2","1","2","1") = "5"
    & skf18("5","1","6","2","1","3","1") = "5"
    & skf18("5","1","6","2","1","4","1") = "5"
    & skf18("5","1","6","2","1","5","1") = "5"
    & skf18("5","1","6","2","1","6","1") = "5"
    & skf18("5","1","6","2","1","7","1") = "6"
    & skf18("5","1","6","2","1","8","1") = "7"
    & skf18("5","1","6","2","1","9","1") = "8"
    & skf18("5","1","6","2","1","10","1") = "9"
    & skf18("5","1","6","2","2","1","1") = "5"
    & skf18("5","1","6","2","2","2","1") = "5"
    & skf18("5","1","6","2","2","3","1") = "5"
    & skf18("5","1","6","2","2","4","1") = "5"
    & skf18("5","1","6","2","2","5","1") = "5"
    & skf18("5","1","6","2","2","6","1") = "5"
    & skf18("5","1","6","2","2","7","1") = "6"
    & skf18("5","1","6","2","2","8","1") = "7"
    & skf18("5","1","6","2","2","9","1") = "8"
    & skf18("5","1","6","2","2","10","1") = "9"
    & skf18("5","1","6","2","3","1","1") = "5"
    & skf18("5","1","6","2","3","2","1") = "5"
    & skf18("5","1","6","2","3","3","1") = "5"
    & skf18("5","1","6","2","3","4","1") = "5"
    & skf18("5","1","6","2","3","5","1") = "5"
    & skf18("5","1","6","2","3","6","1") = "5"
    & skf18("5","1","6","2","3","7","1") = "6"
    & skf18("5","1","6","2","3","8","1") = "7"
    & skf18("5","1","6","2","3","9","1") = "8"
    & skf18("5","1","6","2","3","10","1") = "9"
    & skf18("5","1","6","2","4","1","1") = "5"
    & skf18("5","1","6","2","4","2","1") = "5"
    & skf18("5","1","6","2","4","3","1") = "5"
    & skf18("5","1","6","2","4","4","1") = "5"
    & skf18("5","1","6","2","4","5","1") = "5"
    & skf18("5","1","6","2","4","6","1") = "5"
    & skf18("5","1","6","2","4","7","1") = "6"
    & skf18("5","1","6","2","4","8","1") = "7"
    & skf18("5","1","6","2","4","9","1") = "8"
    & skf18("5","1","6","2","4","10","1") = "9"
    & skf18("5","1","6","2","5","1","1") = "5"
    & skf18("5","1","6","2","5","2","1") = "5"
    & skf18("5","1","6","2","5","3","1") = "5"
    & skf18("5","1","6","2","5","4","1") = "5"
    & skf18("5","1","6","2","5","5","1") = "5"
    & skf18("5","1","6","2","5","6","1") = "5"
    & skf18("5","1","6","2","5","7","1") = "6"
    & skf18("5","1","6","2","5","8","1") = "7"
    & skf18("5","1","6","2","5","9","1") = "8"
    & skf18("5","1","6","2","5","10","1") = "9"
    & skf18("5","1","6","2","6","1","1") = "5"
    & skf18("5","1","6","2","6","2","1") = "5"
    & skf18("5","1","6","2","6","3","1") = "5"
    & skf18("5","1","6","2","6","4","1") = "5"
    & skf18("5","1","6","2","6","5","1") = "5"
    & skf18("5","1","6","2","6","6","1") = "5"
    & skf18("5","1","6","2","6","7","1") = "6"
    & skf18("5","1","6","2","6","8","1") = "7"
    & skf18("5","1","6","2","6","9","1") = "8"
    & skf18("5","1","6","2","6","10","1") = "9"
    & skf18("5","1","6","2","7","1","1") = "6"
    & skf18("5","1","6","2","7","2","1") = "6"
    & skf18("5","1","6","2","7","3","1") = "6"
    & skf18("5","1","6","2","7","4","1") = "6"
    & skf18("5","1","6","2","7","5","1") = "6"
    & skf18("5","1","6","2","7","6","1") = "6"
    & skf18("5","1","6","2","7","7","1") = "6"
    & skf18("5","1","6","2","7","8","1") = "7"
    & skf18("5","1","6","2","7","9","1") = "8"
    & skf18("5","1","6","2","7","10","1") = "9"
    & skf18("5","1","6","2","8","1","1") = "7"
    & skf18("5","1","6","2","8","2","1") = "7"
    & skf18("5","1","6","2","8","3","1") = "7"
    & skf18("5","1","6","2","8","4","1") = "7"
    & skf18("5","1","6","2","8","5","1") = "7"
    & skf18("5","1","6","2","8","6","1") = "7"
    & skf18("5","1","6","2","8","7","1") = "7"
    & skf18("5","1","6","2","8","8","1") = "7"
    & skf18("5","1","6","2","8","9","1") = "8"
    & skf18("5","1","6","2","8","10","1") = "9"
    & skf18("5","1","6","2","9","1","1") = "8"
    & skf18("5","1","6","2","9","2","1") = "8"
    & skf18("5","1","6","2","9","3","1") = "8"
    & skf18("5","1","6","2","9","4","1") = "8"
    & skf18("5","1","6","2","9","5","1") = "8"
    & skf18("5","1","6","2","9","6","1") = "8"
    & skf18("5","1","6","2","9","7","1") = "8"
    & skf18("5","1","6","2","9","8","1") = "8"
    & skf18("5","1","6","2","9","9","1") = "8"
    & skf18("5","1","6","2","9","10","1") = "9"
    & skf18("5","1","6","2","10","1","1") = "9"
    & skf18("5","1","6","2","10","2","1") = "9"
    & skf18("5","1","6","2","10","3","1") = "9"
    & skf18("5","1","6","2","10","4","1") = "9"
    & skf18("5","1","6","2","10","5","1") = "9"
    & skf18("5","1","6","2","10","6","1") = "9"
    & skf18("5","1","6","2","10","7","1") = "9"
    & skf18("5","1","6","2","10","8","1") = "9"
    & skf18("5","1","6","2","10","9","1") = "9"
    & skf18("5","1","6","2","10","10","1") = "9"
    & skf18("5","1","6","3","1","1","1") = "5"
    & skf18("5","1","6","3","1","2","1") = "5"
    & skf18("5","1","6","3","1","3","1") = "5"
    & skf18("5","1","6","3","1","4","1") = "5"
    & skf18("5","1","6","3","1","5","1") = "5"
    & skf18("5","1","6","3","1","6","1") = "5"
    & skf18("5","1","6","3","1","7","1") = "6"
    & skf18("5","1","6","3","1","8","1") = "7"
    & skf18("5","1","6","3","1","9","1") = "8"
    & skf18("5","1","6","3","1","10","1") = "9"
    & skf18("5","1","6","3","2","1","1") = "5"
    & skf18("5","1","6","3","2","2","1") = "5"
    & skf18("5","1","6","3","2","3","1") = "5"
    & skf18("5","1","6","3","2","4","1") = "5"
    & skf18("5","1","6","3","2","5","1") = "5"
    & skf18("5","1","6","3","2","6","1") = "5"
    & skf18("5","1","6","3","2","7","1") = "6"
    & skf18("5","1","6","3","2","8","1") = "7"
    & skf18("5","1","6","3","2","9","1") = "8"
    & skf18("5","1","6","3","2","10","1") = "9"
    & skf18("5","1","6","3","3","1","1") = "5"
    & skf18("5","1","6","3","3","2","1") = "5"
    & skf18("5","1","6","3","3","3","1") = "5"
    & skf18("5","1","6","3","3","4","1") = "5"
    & skf18("5","1","6","3","3","5","1") = "5"
    & skf18("5","1","6","3","3","6","1") = "5"
    & skf18("5","1","6","3","3","7","1") = "6"
    & skf18("5","1","6","3","3","8","1") = "7"
    & skf18("5","1","6","3","3","9","1") = "8"
    & skf18("5","1","6","3","3","10","1") = "9"
    & skf18("5","1","6","3","4","1","1") = "5"
    & skf18("5","1","6","3","4","2","1") = "5"
    & skf18("5","1","6","3","4","3","1") = "5"
    & skf18("5","1","6","3","4","4","1") = "5"
    & skf18("5","1","6","3","4","5","1") = "5"
    & skf18("5","1","6","3","4","6","1") = "5"
    & skf18("5","1","6","3","4","7","1") = "6"
    & skf18("5","1","6","3","4","8","1") = "7"
    & skf18("5","1","6","3","4","9","1") = "8"
    & skf18("5","1","6","3","4","10","1") = "9"
    & skf18("5","1","6","3","5","1","1") = "5"
    & skf18("5","1","6","3","5","2","1") = "5"
    & skf18("5","1","6","3","5","3","1") = "5"
    & skf18("5","1","6","3","5","4","1") = "5"
    & skf18("5","1","6","3","5","5","1") = "5"
    & skf18("5","1","6","3","5","6","1") = "5"
    & skf18("5","1","6","3","5","7","1") = "6"
    & skf18("5","1","6","3","5","8","1") = "7"
    & skf18("5","1","6","3","5","9","1") = "8"
    & skf18("5","1","6","3","5","10","1") = "9"
    & skf18("5","1","6","3","6","1","1") = "5"
    & skf18("5","1","6","3","6","2","1") = "5"
    & skf18("5","1","6","3","6","3","1") = "5"
    & skf18("5","1","6","3","6","4","1") = "5"
    & skf18("5","1","6","3","6","5","1") = "5"
    & skf18("5","1","6","3","6","6","1") = "5"
    & skf18("5","1","6","3","6","7","1") = "6"
    & skf18("5","1","6","3","6","8","1") = "7"
    & skf18("5","1","6","3","6","9","1") = "8"
    & skf18("5","1","6","3","6","10","1") = "9"
    & skf18("5","1","6","3","7","1","1") = "6"
    & skf18("5","1","6","3","7","2","1") = "6"
    & skf18("5","1","6","3","7","3","1") = "6"
    & skf18("5","1","6","3","7","4","1") = "6"
    & skf18("5","1","6","3","7","5","1") = "6"
    & skf18("5","1","6","3","7","6","1") = "6"
    & skf18("5","1","6","3","7","7","1") = "6"
    & skf18("5","1","6","3","7","8","1") = "7"
    & skf18("5","1","6","3","7","9","1") = "8"
    & skf18("5","1","6","3","7","10","1") = "9"
    & skf18("5","1","6","3","8","1","1") = "7"
    & skf18("5","1","6","3","8","2","1") = "7"
    & skf18("5","1","6","3","8","3","1") = "7"
    & skf18("5","1","6","3","8","4","1") = "7"
    & skf18("5","1","6","3","8","5","1") = "7"
    & skf18("5","1","6","3","8","6","1") = "7"
    & skf18("5","1","6","3","8","7","1") = "7"
    & skf18("5","1","6","3","8","8","1") = "7"
    & skf18("5","1","6","3","8","9","1") = "8"
    & skf18("5","1","6","3","8","10","1") = "9"
    & skf18("5","1","6","3","9","1","1") = "8"
    & skf18("5","1","6","3","9","2","1") = "8"
    & skf18("5","1","6","3","9","3","1") = "8"
    & skf18("5","1","6","3","9","4","1") = "8"
    & skf18("5","1","6","3","9","5","1") = "8"
    & skf18("5","1","6","3","9","6","1") = "8"
    & skf18("5","1","6","3","9","7","1") = "8"
    & skf18("5","1","6","3","9","8","1") = "8"
    & skf18("5","1","6","3","9","9","1") = "8"
    & skf18("5","1","6","3","9","10","1") = "9"
    & skf18("5","1","6","3","10","1","1") = "9"
    & skf18("5","1","6","3","10","2","1") = "9"
    & skf18("5","1","6","3","10","3","1") = "9"
    & skf18("5","1","6","3","10","4","1") = "9"
    & skf18("5","1","6","3","10","5","1") = "9"
    & skf18("5","1","6","3","10","6","1") = "9"
    & skf18("5","1","6","3","10","7","1") = "9"
    & skf18("5","1","6","3","10","8","1") = "9"
    & skf18("5","1","6","3","10","9","1") = "9"
    & skf18("5","1","6","3","10","10","1") = "9"
    & skf18("5","1","6","4","1","1","1") = "5"
    & skf18("5","1","6","4","1","2","1") = "5"
    & skf18("5","1","6","4","1","3","1") = "5"
    & skf18("5","1","6","4","1","4","1") = "5"
    & skf18("5","1","6","4","1","5","1") = "5"
    & skf18("5","1","6","4","1","6","1") = "5"
    & skf18("5","1","6","4","1","7","1") = "6"
    & skf18("5","1","6","4","1","8","1") = "7"
    & skf18("5","1","6","4","1","9","1") = "8"
    & skf18("5","1","6","4","1","10","1") = "9"
    & skf18("5","1","6","4","2","1","1") = "5"
    & skf18("5","1","6","4","2","2","1") = "5"
    & skf18("5","1","6","4","2","3","1") = "5"
    & skf18("5","1","6","4","2","4","1") = "5"
    & skf18("5","1","6","4","2","5","1") = "5"
    & skf18("5","1","6","4","2","6","1") = "5"
    & skf18("5","1","6","4","2","7","1") = "6"
    & skf18("5","1","6","4","2","8","1") = "7"
    & skf18("5","1","6","4","2","9","1") = "8"
    & skf18("5","1","6","4","2","10","1") = "9"
    & skf18("5","1","6","4","3","1","1") = "5"
    & skf18("5","1","6","4","3","2","1") = "5"
    & skf18("5","1","6","4","3","3","1") = "5"
    & skf18("5","1","6","4","3","4","1") = "5"
    & skf18("5","1","6","4","3","5","1") = "5"
    & skf18("5","1","6","4","3","6","1") = "5"
    & skf18("5","1","6","4","3","7","1") = "6"
    & skf18("5","1","6","4","3","8","1") = "7"
    & skf18("5","1","6","4","3","9","1") = "8"
    & skf18("5","1","6","4","3","10","1") = "9"
    & skf18("5","1","6","4","4","1","1") = "5"
    & skf18("5","1","6","4","4","2","1") = "5"
    & skf18("5","1","6","4","4","3","1") = "5"
    & skf18("5","1","6","4","4","4","1") = "5"
    & skf18("5","1","6","4","4","5","1") = "5"
    & skf18("5","1","6","4","4","6","1") = "5"
    & skf18("5","1","6","4","4","7","1") = "6"
    & skf18("5","1","6","4","4","8","1") = "7"
    & skf18("5","1","6","4","4","9","1") = "8"
    & skf18("5","1","6","4","4","10","1") = "9"
    & skf18("5","1","6","4","5","1","1") = "5"
    & skf18("5","1","6","4","5","2","1") = "5"
    & skf18("5","1","6","4","5","3","1") = "5"
    & skf18("5","1","6","4","5","4","1") = "5"
    & skf18("5","1","6","4","5","5","1") = "5"
    & skf18("5","1","6","4","5","6","1") = "5"
    & skf18("5","1","6","4","5","7","1") = "6"
    & skf18("5","1","6","4","5","8","1") = "7"
    & skf18("5","1","6","4","5","9","1") = "8"
    & skf18("5","1","6","4","5","10","1") = "9"
    & skf18("5","1","6","4","6","1","1") = "5"
    & skf18("5","1","6","4","6","2","1") = "5"
    & skf18("5","1","6","4","6","3","1") = "5"
    & skf18("5","1","6","4","6","4","1") = "5"
    & skf18("5","1","6","4","6","5","1") = "5"
    & skf18("5","1","6","4","6","6","1") = "5"
    & skf18("5","1","6","4","6","7","1") = "6"
    & skf18("5","1","6","4","6","8","1") = "7"
    & skf18("5","1","6","4","6","9","1") = "8"
    & skf18("5","1","6","4","6","10","1") = "9"
    & skf18("5","1","6","4","7","1","1") = "6"
    & skf18("5","1","6","4","7","2","1") = "6"
    & skf18("5","1","6","4","7","3","1") = "6"
    & skf18("5","1","6","4","7","4","1") = "6"
    & skf18("5","1","6","4","7","5","1") = "6"
    & skf18("5","1","6","4","7","6","1") = "6"
    & skf18("5","1","6","4","7","7","1") = "6"
    & skf18("5","1","6","4","7","8","1") = "7"
    & skf18("5","1","6","4","7","9","1") = "8"
    & skf18("5","1","6","4","7","10","1") = "9"
    & skf18("5","1","6","4","8","1","1") = "7"
    & skf18("5","1","6","4","8","2","1") = "7"
    & skf18("5","1","6","4","8","3","1") = "7"
    & skf18("5","1","6","4","8","4","1") = "7"
    & skf18("5","1","6","4","8","5","1") = "7"
    & skf18("5","1","6","4","8","6","1") = "7"
    & skf18("5","1","6","4","8","7","1") = "7"
    & skf18("5","1","6","4","8","8","1") = "7"
    & skf18("5","1","6","4","8","9","1") = "8"
    & skf18("5","1","6","4","8","10","1") = "9"
    & skf18("5","1","6","4","9","1","1") = "8"
    & skf18("5","1","6","4","9","2","1") = "8"
    & skf18("5","1","6","4","9","3","1") = "8"
    & skf18("5","1","6","4","9","4","1") = "8"
    & skf18("5","1","6","4","9","5","1") = "8"
    & skf18("5","1","6","4","9","6","1") = "8"
    & skf18("5","1","6","4","9","7","1") = "8"
    & skf18("5","1","6","4","9","8","1") = "8"
    & skf18("5","1","6","4","9","9","1") = "8"
    & skf18("5","1","6","4","9","10","1") = "9"
    & skf18("5","1","6","4","10","1","1") = "9"
    & skf18("5","1","6","4","10","2","1") = "9"
    & skf18("5","1","6","4","10","3","1") = "9"
    & skf18("5","1","6","4","10","4","1") = "9"
    & skf18("5","1","6","4","10","5","1") = "9"
    & skf18("5","1","6","4","10","6","1") = "9"
    & skf18("5","1","6","4","10","7","1") = "9"
    & skf18("5","1","6","4","10","8","1") = "9"
    & skf18("5","1","6","4","10","9","1") = "9"
    & skf18("5","1","6","4","10","10","1") = "9"
    & skf18("5","1","6","5","1","1","1") = "5"
    & skf18("5","1","6","5","1","2","1") = "5"
    & skf18("5","1","6","5","1","3","1") = "5"
    & skf18("5","1","6","5","1","4","1") = "5"
    & skf18("5","1","6","5","1","5","1") = "5"
    & skf18("5","1","6","5","1","6","1") = "5"
    & skf18("5","1","6","5","1","7","1") = "6"
    & skf18("5","1","6","5","1","8","1") = "7"
    & skf18("5","1","6","5","1","9","1") = "8"
    & skf18("5","1","6","5","1","10","1") = "9"
    & skf18("5","1","6","5","2","1","1") = "5"
    & skf18("5","1","6","5","2","2","1") = "5"
    & skf18("5","1","6","5","2","3","1") = "5"
    & skf18("5","1","6","5","2","4","1") = "5"
    & skf18("5","1","6","5","2","5","1") = "5"
    & skf18("5","1","6","5","2","6","1") = "5"
    & skf18("5","1","6","5","2","7","1") = "6"
    & skf18("5","1","6","5","2","8","1") = "7"
    & skf18("5","1","6","5","2","9","1") = "8"
    & skf18("5","1","6","5","2","10","1") = "9"
    & skf18("5","1","6","5","3","1","1") = "5"
    & skf18("5","1","6","5","3","2","1") = "5"
    & skf18("5","1","6","5","3","3","1") = "5"
    & skf18("5","1","6","5","3","4","1") = "5"
    & skf18("5","1","6","5","3","5","1") = "5"
    & skf18("5","1","6","5","3","6","1") = "5"
    & skf18("5","1","6","5","3","7","1") = "6"
    & skf18("5","1","6","5","3","8","1") = "7"
    & skf18("5","1","6","5","3","9","1") = "8"
    & skf18("5","1","6","5","3","10","1") = "9"
    & skf18("5","1","6","5","4","1","1") = "5"
    & skf18("5","1","6","5","4","2","1") = "5"
    & skf18("5","1","6","5","4","3","1") = "5"
    & skf18("5","1","6","5","4","4","1") = "5"
    & skf18("5","1","6","5","4","5","1") = "5"
    & skf18("5","1","6","5","4","6","1") = "5"
    & skf18("5","1","6","5","4","7","1") = "6"
    & skf18("5","1","6","5","4","8","1") = "7"
    & skf18("5","1","6","5","4","9","1") = "8"
    & skf18("5","1","6","5","4","10","1") = "9"
    & skf18("5","1","6","5","5","1","1") = "5"
    & skf18("5","1","6","5","5","2","1") = "5"
    & skf18("5","1","6","5","5","3","1") = "5"
    & skf18("5","1","6","5","5","4","1") = "5"
    & skf18("5","1","6","5","5","5","1") = "5"
    & skf18("5","1","6","5","5","6","1") = "5"
    & skf18("5","1","6","5","5","7","1") = "6"
    & skf18("5","1","6","5","5","8","1") = "7"
    & skf18("5","1","6","5","5","9","1") = "8"
    & skf18("5","1","6","5","5","10","1") = "9"
    & skf18("5","1","6","5","6","1","1") = "5"
    & skf18("5","1","6","5","6","2","1") = "5"
    & skf18("5","1","6","5","6","3","1") = "5"
    & skf18("5","1","6","5","6","4","1") = "5"
    & skf18("5","1","6","5","6","5","1") = "5"
    & skf18("5","1","6","5","6","6","1") = "5"
    & skf18("5","1","6","5","6","7","1") = "6"
    & skf18("5","1","6","5","6","8","1") = "7"
    & skf18("5","1","6","5","6","9","1") = "8"
    & skf18("5","1","6","5","6","10","1") = "9"
    & skf18("5","1","6","5","7","1","1") = "6"
    & skf18("5","1","6","5","7","2","1") = "6"
    & skf18("5","1","6","5","7","3","1") = "6"
    & skf18("5","1","6","5","7","4","1") = "6"
    & skf18("5","1","6","5","7","5","1") = "6"
    & skf18("5","1","6","5","7","6","1") = "6"
    & skf18("5","1","6","5","7","7","1") = "6"
    & skf18("5","1","6","5","7","8","1") = "7"
    & skf18("5","1","6","5","7","9","1") = "8"
    & skf18("5","1","6","5","7","10","1") = "9"
    & skf18("5","1","6","5","8","1","1") = "7"
    & skf18("5","1","6","5","8","2","1") = "7"
    & skf18("5","1","6","5","8","3","1") = "7"
    & skf18("5","1","6","5","8","4","1") = "7"
    & skf18("5","1","6","5","8","5","1") = "7"
    & skf18("5","1","6","5","8","6","1") = "7"
    & skf18("5","1","6","5","8","7","1") = "7"
    & skf18("5","1","6","5","8","8","1") = "7"
    & skf18("5","1","6","5","8","9","1") = "8"
    & skf18("5","1","6","5","8","10","1") = "9"
    & skf18("5","1","6","5","9","1","1") = "8"
    & skf18("5","1","6","5","9","2","1") = "8"
    & skf18("5","1","6","5","9","3","1") = "8"
    & skf18("5","1","6","5","9","4","1") = "8"
    & skf18("5","1","6","5","9","5","1") = "8"
    & skf18("5","1","6","5","9","6","1") = "8"
    & skf18("5","1","6","5","9","7","1") = "8"
    & skf18("5","1","6","5","9","8","1") = "8"
    & skf18("5","1","6","5","9","9","1") = "8"
    & skf18("5","1","6","5","9","10","1") = "9"
    & skf18("5","1","6","5","10","1","1") = "9"
    & skf18("5","1","6","5","10","2","1") = "9"
    & skf18("5","1","6","5","10","3","1") = "9"
    & skf18("5","1","6","5","10","4","1") = "9"
    & skf18("5","1","6","5","10","5","1") = "9"
    & skf18("5","1","6","5","10","6","1") = "9"
    & skf18("5","1","6","5","10","7","1") = "9"
    & skf18("5","1","6","5","10","8","1") = "9"
    & skf18("5","1","6","5","10","9","1") = "9"
    & skf18("5","1","6","5","10","10","1") = "9"
    & skf18("5","1","6","6","1","1","1") = "5"
    & skf18("5","1","6","6","1","2","1") = "5"
    & skf18("5","1","6","6","1","3","1") = "5"
    & skf18("5","1","6","6","1","4","1") = "5"
    & skf18("5","1","6","6","1","5","1") = "5"
    & skf18("5","1","6","6","1","6","1") = "5"
    & skf18("5","1","6","6","1","7","1") = "6"
    & skf18("5","1","6","6","1","8","1") = "7"
    & skf18("5","1","6","6","1","9","1") = "8"
    & skf18("5","1","6","6","1","10","1") = "9"
    & skf18("5","1","6","6","2","1","1") = "5"
    & skf18("5","1","6","6","2","2","1") = "5"
    & skf18("5","1","6","6","2","3","1") = "5"
    & skf18("5","1","6","6","2","4","1") = "5"
    & skf18("5","1","6","6","2","5","1") = "5"
    & skf18("5","1","6","6","2","6","1") = "5"
    & skf18("5","1","6","6","2","7","1") = "6"
    & skf18("5","1","6","6","2","8","1") = "7"
    & skf18("5","1","6","6","2","9","1") = "8"
    & skf18("5","1","6","6","2","10","1") = "9"
    & skf18("5","1","6","6","3","1","1") = "5"
    & skf18("5","1","6","6","3","2","1") = "5"
    & skf18("5","1","6","6","3","3","1") = "5"
    & skf18("5","1","6","6","3","4","1") = "5"
    & skf18("5","1","6","6","3","5","1") = "5"
    & skf18("5","1","6","6","3","6","1") = "5"
    & skf18("5","1","6","6","3","7","1") = "6"
    & skf18("5","1","6","6","3","8","1") = "7"
    & skf18("5","1","6","6","3","9","1") = "8"
    & skf18("5","1","6","6","3","10","1") = "9"
    & skf18("5","1","6","6","4","1","1") = "5"
    & skf18("5","1","6","6","4","2","1") = "5"
    & skf18("5","1","6","6","4","3","1") = "5"
    & skf18("5","1","6","6","4","4","1") = "5"
    & skf18("5","1","6","6","4","5","1") = "5"
    & skf18("5","1","6","6","4","6","1") = "5"
    & skf18("5","1","6","6","4","7","1") = "6"
    & skf18("5","1","6","6","4","8","1") = "7"
    & skf18("5","1","6","6","4","9","1") = "8"
    & skf18("5","1","6","6","4","10","1") = "9"
    & skf18("5","1","6","6","5","1","1") = "5"
    & skf18("5","1","6","6","5","2","1") = "5"
    & skf18("5","1","6","6","5","3","1") = "5"
    & skf18("5","1","6","6","5","4","1") = "5"
    & skf18("5","1","6","6","5","5","1") = "5"
    & skf18("5","1","6","6","5","6","1") = "5"
    & skf18("5","1","6","6","5","7","1") = "6"
    & skf18("5","1","6","6","5","8","1") = "7"
    & skf18("5","1","6","6","5","9","1") = "8"
    & skf18("5","1","6","6","5","10","1") = "9"
    & skf18("5","1","6","6","6","1","1") = "5"
    & skf18("5","1","6","6","6","2","1") = "5"
    & skf18("5","1","6","6","6","3","1") = "5"
    & skf18("5","1","6","6","6","4","1") = "5"
    & skf18("5","1","6","6","6","5","1") = "5"
    & skf18("5","1","6","6","6","6","1") = "5"
    & skf18("5","1","6","6","6","7","1") = "6"
    & skf18("5","1","6","6","6","8","1") = "7"
    & skf18("5","1","6","6","6","9","1") = "8"
    & skf18("5","1","6","6","6","10","1") = "9"
    & skf18("5","1","6","6","7","1","1") = "6"
    & skf18("5","1","6","6","7","2","1") = "6"
    & skf18("5","1","6","6","7","3","1") = "6"
    & skf18("5","1","6","6","7","4","1") = "6"
    & skf18("5","1","6","6","7","5","1") = "6"
    & skf18("5","1","6","6","7","6","1") = "6"
    & skf18("5","1","6","6","7","7","1") = "6"
    & skf18("5","1","6","6","7","8","1") = "7"
    & skf18("5","1","6","6","7","9","1") = "8"
    & skf18("5","1","6","6","7","10","1") = "9"
    & skf18("5","1","6","6","8","1","1") = "7"
    & skf18("5","1","6","6","8","2","1") = "7"
    & skf18("5","1","6","6","8","3","1") = "7"
    & skf18("5","1","6","6","8","4","1") = "7"
    & skf18("5","1","6","6","8","5","1") = "7"
    & skf18("5","1","6","6","8","6","1") = "7"
    & skf18("5","1","6","6","8","7","1") = "7"
    & skf18("5","1","6","6","8","8","1") = "7"
    & skf18("5","1","6","6","8","9","1") = "8"
    & skf18("5","1","6","6","8","10","1") = "9"
    & skf18("5","1","6","6","9","1","1") = "8"
    & skf18("5","1","6","6","9","2","1") = "8"
    & skf18("5","1","6","6","9","3","1") = "8"
    & skf18("5","1","6","6","9","4","1") = "8"
    & skf18("5","1","6","6","9","5","1") = "8"
    & skf18("5","1","6","6","9","6","1") = "8"
    & skf18("5","1","6","6","9","7","1") = "8"
    & skf18("5","1","6","6","9","8","1") = "8"
    & skf18("5","1","6","6","9","9","1") = "8"
    & skf18("5","1","6","6","9","10","1") = "9"
    & skf18("5","1","6","6","10","1","1") = "9"
    & skf18("5","1","6","6","10","2","1") = "9"
    & skf18("5","1","6","6","10","3","1") = "9"
    & skf18("5","1","6","6","10","4","1") = "9"
    & skf18("5","1","6","6","10","5","1") = "9"
    & skf18("5","1","6","6","10","6","1") = "9"
    & skf18("5","1","6","6","10","7","1") = "9"
    & skf18("5","1","6","6","10","8","1") = "9"
    & skf18("5","1","6","6","10","9","1") = "9"
    & skf18("5","1","6","6","10","10","1") = "9"
    & skf18("5","1","6","7","1","1","1") = "6"
    & skf18("5","1","6","7","1","2","1") = "6"
    & skf18("5","1","6","7","1","3","1") = "6"
    & skf18("5","1","6","7","1","4","1") = "6"
    & skf18("5","1","6","7","1","5","1") = "6"
    & skf18("5","1","6","7","1","6","1") = "6"
    & skf18("5","1","6","7","1","7","1") = "6"
    & skf18("5","1","6","7","1","8","1") = "7"
    & skf18("5","1","6","7","1","9","1") = "8"
    & skf18("5","1","6","7","1","10","1") = "9"
    & skf18("5","1","6","7","2","1","1") = "6"
    & skf18("5","1","6","7","2","2","1") = "6"
    & skf18("5","1","6","7","2","3","1") = "6"
    & skf18("5","1","6","7","2","4","1") = "6"
    & skf18("5","1","6","7","2","5","1") = "6"
    & skf18("5","1","6","7","2","6","1") = "6"
    & skf18("5","1","6","7","2","7","1") = "6"
    & skf18("5","1","6","7","2","8","1") = "7"
    & skf18("5","1","6","7","2","9","1") = "8"
    & skf18("5","1","6","7","2","10","1") = "9"
    & skf18("5","1","6","7","3","1","1") = "6"
    & skf18("5","1","6","7","3","2","1") = "6"
    & skf18("5","1","6","7","3","3","1") = "6"
    & skf18("5","1","6","7","3","4","1") = "6"
    & skf18("5","1","6","7","3","5","1") = "6"
    & skf18("5","1","6","7","3","6","1") = "6"
    & skf18("5","1","6","7","3","7","1") = "6"
    & skf18("5","1","6","7","3","8","1") = "7"
    & skf18("5","1","6","7","3","9","1") = "8"
    & skf18("5","1","6","7","3","10","1") = "9"
    & skf18("5","1","6","7","4","1","1") = "6"
    & skf18("5","1","6","7","4","2","1") = "6"
    & skf18("5","1","6","7","4","3","1") = "6"
    & skf18("5","1","6","7","4","4","1") = "6"
    & skf18("5","1","6","7","4","5","1") = "6"
    & skf18("5","1","6","7","4","6","1") = "6"
    & skf18("5","1","6","7","4","7","1") = "6"
    & skf18("5","1","6","7","4","8","1") = "7"
    & skf18("5","1","6","7","4","9","1") = "8"
    & skf18("5","1","6","7","4","10","1") = "9"
    & skf18("5","1","6","7","5","1","1") = "6"
    & skf18("5","1","6","7","5","2","1") = "6"
    & skf18("5","1","6","7","5","3","1") = "6"
    & skf18("5","1","6","7","5","4","1") = "6"
    & skf18("5","1","6","7","5","5","1") = "6"
    & skf18("5","1","6","7","5","6","1") = "6"
    & skf18("5","1","6","7","5","7","1") = "6"
    & skf18("5","1","6","7","5","8","1") = "7"
    & skf18("5","1","6","7","5","9","1") = "8"
    & skf18("5","1","6","7","5","10","1") = "9"
    & skf18("5","1","6","7","6","1","1") = "6"
    & skf18("5","1","6","7","6","2","1") = "6"
    & skf18("5","1","6","7","6","3","1") = "6"
    & skf18("5","1","6","7","6","4","1") = "6"
    & skf18("5","1","6","7","6","5","1") = "6"
    & skf18("5","1","6","7","6","6","1") = "6"
    & skf18("5","1","6","7","6","7","1") = "6"
    & skf18("5","1","6","7","6","8","1") = "7"
    & skf18("5","1","6","7","6","9","1") = "8"
    & skf18("5","1","6","7","6","10","1") = "9"
    & skf18("5","1","6","7","7","1","1") = "6"
    & skf18("5","1","6","7","7","2","1") = "6"
    & skf18("5","1","6","7","7","3","1") = "6"
    & skf18("5","1","6","7","7","4","1") = "6"
    & skf18("5","1","6","7","7","5","1") = "6"
    & skf18("5","1","6","7","7","6","1") = "6"
    & skf18("5","1","6","7","7","7","1") = "6"
    & skf18("5","1","6","7","7","8","1") = "7"
    & skf18("5","1","6","7","7","9","1") = "8"
    & skf18("5","1","6","7","7","10","1") = "9"
    & skf18("5","1","6","7","8","1","1") = "7"
    & skf18("5","1","6","7","8","2","1") = "7"
    & skf18("5","1","6","7","8","3","1") = "7"
    & skf18("5","1","6","7","8","4","1") = "7"
    & skf18("5","1","6","7","8","5","1") = "7"
    & skf18("5","1","6","7","8","6","1") = "7"
    & skf18("5","1","6","7","8","7","1") = "7"
    & skf18("5","1","6","7","8","8","1") = "7"
    & skf18("5","1","6","7","8","9","1") = "8"
    & skf18("5","1","6","7","8","10","1") = "9"
    & skf18("5","1","6","7","9","1","1") = "8"
    & skf18("5","1","6","7","9","2","1") = "8"
    & skf18("5","1","6","7","9","3","1") = "8"
    & skf18("5","1","6","7","9","4","1") = "8"
    & skf18("5","1","6","7","9","5","1") = "8"
    & skf18("5","1","6","7","9","6","1") = "8"
    & skf18("5","1","6","7","9","7","1") = "8"
    & skf18("5","1","6","7","9","8","1") = "8"
    & skf18("5","1","6","7","9","9","1") = "8"
    & skf18("5","1","6","7","9","10","1") = "9"
    & skf18("5","1","6","7","10","1","1") = "9"
    & skf18("5","1","6","7","10","2","1") = "9"
    & skf18("5","1","6","7","10","3","1") = "9"
    & skf18("5","1","6","7","10","4","1") = "9"
    & skf18("5","1","6","7","10","5","1") = "9"
    & skf18("5","1","6","7","10","6","1") = "9"
    & skf18("5","1","6","7","10","7","1") = "9"
    & skf18("5","1","6","7","10","8","1") = "9"
    & skf18("5","1","6","7","10","9","1") = "9"
    & skf18("5","1","6","7","10","10","1") = "9"
    & skf18("5","1","6","8","1","1","1") = "7"
    & skf18("5","1","6","8","1","2","1") = "7"
    & skf18("5","1","6","8","1","3","1") = "7"
    & skf18("5","1","6","8","1","4","1") = "7"
    & skf18("5","1","6","8","1","5","1") = "7"
    & skf18("5","1","6","8","1","6","1") = "7"
    & skf18("5","1","6","8","1","7","1") = "7"
    & skf18("5","1","6","8","1","8","1") = "7"
    & skf18("5","1","6","8","1","9","1") = "8"
    & skf18("5","1","6","8","1","10","1") = "9"
    & skf18("5","1","6","8","2","1","1") = "7"
    & skf18("5","1","6","8","2","2","1") = "7"
    & skf18("5","1","6","8","2","3","1") = "7"
    & skf18("5","1","6","8","2","4","1") = "7"
    & skf18("5","1","6","8","2","5","1") = "7"
    & skf18("5","1","6","8","2","6","1") = "7"
    & skf18("5","1","6","8","2","7","1") = "7"
    & skf18("5","1","6","8","2","8","1") = "7"
    & skf18("5","1","6","8","2","9","1") = "8"
    & skf18("5","1","6","8","2","10","1") = "9"
    & skf18("5","1","6","8","3","1","1") = "7"
    & skf18("5","1","6","8","3","2","1") = "7"
    & skf18("5","1","6","8","3","3","1") = "7"
    & skf18("5","1","6","8","3","4","1") = "7"
    & skf18("5","1","6","8","3","5","1") = "7"
    & skf18("5","1","6","8","3","6","1") = "7"
    & skf18("5","1","6","8","3","7","1") = "7"
    & skf18("5","1","6","8","3","8","1") = "7"
    & skf18("5","1","6","8","3","9","1") = "8"
    & skf18("5","1","6","8","3","10","1") = "9"
    & skf18("5","1","6","8","4","1","1") = "7"
    & skf18("5","1","6","8","4","2","1") = "7"
    & skf18("5","1","6","8","4","3","1") = "7"
    & skf18("5","1","6","8","4","4","1") = "7"
    & skf18("5","1","6","8","4","5","1") = "7"
    & skf18("5","1","6","8","4","6","1") = "7"
    & skf18("5","1","6","8","4","7","1") = "7"
    & skf18("5","1","6","8","4","8","1") = "7"
    & skf18("5","1","6","8","4","9","1") = "8"
    & skf18("5","1","6","8","4","10","1") = "9"
    & skf18("5","1","6","8","5","1","1") = "7"
    & skf18("5","1","6","8","5","2","1") = "7"
    & skf18("5","1","6","8","5","3","1") = "7"
    & skf18("5","1","6","8","5","4","1") = "7"
    & skf18("5","1","6","8","5","5","1") = "7"
    & skf18("5","1","6","8","5","6","1") = "7"
    & skf18("5","1","6","8","5","7","1") = "7"
    & skf18("5","1","6","8","5","8","1") = "7"
    & skf18("5","1","6","8","5","9","1") = "8"
    & skf18("5","1","6","8","5","10","1") = "9"
    & skf18("5","1","6","8","6","1","1") = "7"
    & skf18("5","1","6","8","6","2","1") = "7"
    & skf18("5","1","6","8","6","3","1") = "7"
    & skf18("5","1","6","8","6","4","1") = "7"
    & skf18("5","1","6","8","6","5","1") = "7"
    & skf18("5","1","6","8","6","6","1") = "7"
    & skf18("5","1","6","8","6","7","1") = "7"
    & skf18("5","1","6","8","6","8","1") = "7"
    & skf18("5","1","6","8","6","9","1") = "8"
    & skf18("5","1","6","8","6","10","1") = "9"
    & skf18("5","1","6","8","7","1","1") = "7"
    & skf18("5","1","6","8","7","2","1") = "7"
    & skf18("5","1","6","8","7","3","1") = "7"
    & skf18("5","1","6","8","7","4","1") = "7"
    & skf18("5","1","6","8","7","5","1") = "7"
    & skf18("5","1","6","8","7","6","1") = "7"
    & skf18("5","1","6","8","7","7","1") = "7"
    & skf18("5","1","6","8","7","8","1") = "7"
    & skf18("5","1","6","8","7","9","1") = "8"
    & skf18("5","1","6","8","7","10","1") = "9"
    & skf18("5","1","6","8","8","1","1") = "7"
    & skf18("5","1","6","8","8","2","1") = "7"
    & skf18("5","1","6","8","8","3","1") = "7"
    & skf18("5","1","6","8","8","4","1") = "7"
    & skf18("5","1","6","8","8","5","1") = "7"
    & skf18("5","1","6","8","8","6","1") = "7"
    & skf18("5","1","6","8","8","7","1") = "7"
    & skf18("5","1","6","8","8","8","1") = "7"
    & skf18("5","1","6","8","8","9","1") = "8"
    & skf18("5","1","6","8","8","10","1") = "9"
    & skf18("5","1","6","8","9","1","1") = "8"
    & skf18("5","1","6","8","9","2","1") = "8"
    & skf18("5","1","6","8","9","3","1") = "8"
    & skf18("5","1","6","8","9","4","1") = "8"
    & skf18("5","1","6","8","9","5","1") = "8"
    & skf18("5","1","6","8","9","6","1") = "8"
    & skf18("5","1","6","8","9","7","1") = "8"
    & skf18("5","1","6","8","9","8","1") = "8"
    & skf18("5","1","6","8","9","9","1") = "8"
    & skf18("5","1","6","8","9","10","1") = "9"
    & skf18("5","1","6","8","10","1","1") = "9"
    & skf18("5","1","6","8","10","2","1") = "9"
    & skf18("5","1","6","8","10","3","1") = "9"
    & skf18("5","1","6","8","10","4","1") = "9"
    & skf18("5","1","6","8","10","5","1") = "9"
    & skf18("5","1","6","8","10","6","1") = "9"
    & skf18("5","1","6","8","10","7","1") = "9"
    & skf18("5","1","6","8","10","8","1") = "9"
    & skf18("5","1","6","8","10","9","1") = "9"
    & skf18("5","1","6","8","10","10","1") = "9"
    & skf18("5","1","6","9","1","1","1") = "8"
    & skf18("5","1","6","9","1","2","1") = "8"
    & skf18("5","1","6","9","1","3","1") = "8"
    & skf18("5","1","6","9","1","4","1") = "8"
    & skf18("5","1","6","9","1","5","1") = "8"
    & skf18("5","1","6","9","1","6","1") = "8"
    & skf18("5","1","6","9","1","7","1") = "8"
    & skf18("5","1","6","9","1","8","1") = "8"
    & skf18("5","1","6","9","1","9","1") = "8"
    & skf18("5","1","6","9","1","10","1") = "9"
    & skf18("5","1","6","9","2","1","1") = "8"
    & skf18("5","1","6","9","2","2","1") = "8"
    & skf18("5","1","6","9","2","3","1") = "8"
    & skf18("5","1","6","9","2","4","1") = "8"
    & skf18("5","1","6","9","2","5","1") = "8"
    & skf18("5","1","6","9","2","6","1") = "8"
    & skf18("5","1","6","9","2","7","1") = "8"
    & skf18("5","1","6","9","2","8","1") = "8"
    & skf18("5","1","6","9","2","9","1") = "8"
    & skf18("5","1","6","9","2","10","1") = "9"
    & skf18("5","1","6","9","3","1","1") = "8"
    & skf18("5","1","6","9","3","2","1") = "8"
    & skf18("5","1","6","9","3","3","1") = "8"
    & skf18("5","1","6","9","3","4","1") = "8"
    & skf18("5","1","6","9","3","5","1") = "8"
    & skf18("5","1","6","9","3","6","1") = "8"
    & skf18("5","1","6","9","3","7","1") = "8"
    & skf18("5","1","6","9","3","8","1") = "8"
    & skf18("5","1","6","9","3","9","1") = "8"
    & skf18("5","1","6","9","3","10","1") = "9"
    & skf18("5","1","6","9","4","1","1") = "8"
    & skf18("5","1","6","9","4","2","1") = "8"
    & skf18("5","1","6","9","4","3","1") = "8"
    & skf18("5","1","6","9","4","4","1") = "8"
    & skf18("5","1","6","9","4","5","1") = "8"
    & skf18("5","1","6","9","4","6","1") = "8"
    & skf18("5","1","6","9","4","7","1") = "8"
    & skf18("5","1","6","9","4","8","1") = "8"
    & skf18("5","1","6","9","4","9","1") = "8"
    & skf18("5","1","6","9","4","10","1") = "9"
    & skf18("5","1","6","9","5","1","1") = "8"
    & skf18("5","1","6","9","5","2","1") = "8"
    & skf18("5","1","6","9","5","3","1") = "8"
    & skf18("5","1","6","9","5","4","1") = "8"
    & skf18("5","1","6","9","5","5","1") = "8"
    & skf18("5","1","6","9","5","6","1") = "8"
    & skf18("5","1","6","9","5","7","1") = "8"
    & skf18("5","1","6","9","5","8","1") = "8"
    & skf18("5","1","6","9","5","9","1") = "8"
    & skf18("5","1","6","9","5","10","1") = "9"
    & skf18("5","1","6","9","6","1","1") = "8"
    & skf18("5","1","6","9","6","2","1") = "8"
    & skf18("5","1","6","9","6","3","1") = "8"
    & skf18("5","1","6","9","6","4","1") = "8"
    & skf18("5","1","6","9","6","5","1") = "8"
    & skf18("5","1","6","9","6","6","1") = "8"
    & skf18("5","1","6","9","6","7","1") = "8"
    & skf18("5","1","6","9","6","8","1") = "8"
    & skf18("5","1","6","9","6","9","1") = "8"
    & skf18("5","1","6","9","6","10","1") = "9"
    & skf18("5","1","6","9","7","1","1") = "8"
    & skf18("5","1","6","9","7","2","1") = "8"
    & skf18("5","1","6","9","7","3","1") = "8"
    & skf18("5","1","6","9","7","4","1") = "8"
    & skf18("5","1","6","9","7","5","1") = "8"
    & skf18("5","1","6","9","7","6","1") = "8"
    & skf18("5","1","6","9","7","7","1") = "8"
    & skf18("5","1","6","9","7","8","1") = "8"
    & skf18("5","1","6","9","7","9","1") = "8"
    & skf18("5","1","6","9","7","10","1") = "9"
    & skf18("5","1","6","9","8","1","1") = "8"
    & skf18("5","1","6","9","8","2","1") = "8"
    & skf18("5","1","6","9","8","3","1") = "8"
    & skf18("5","1","6","9","8","4","1") = "8"
    & skf18("5","1","6","9","8","5","1") = "8"
    & skf18("5","1","6","9","8","6","1") = "8"
    & skf18("5","1","6","9","8","7","1") = "8"
    & skf18("5","1","6","9","8","8","1") = "8"
    & skf18("5","1","6","9","8","9","1") = "8"
    & skf18("5","1","6","9","8","10","1") = "9"
    & skf18("5","1","6","9","9","1","1") = "8"
    & skf18("5","1","6","9","9","2","1") = "8"
    & skf18("5","1","6","9","9","3","1") = "8"
    & skf18("5","1","6","9","9","4","1") = "8"
    & skf18("5","1","6","9","9","5","1") = "8"
    & skf18("5","1","6","9","9","6","1") = "8"
    & skf18("5","1","6","9","9","7","1") = "8"
    & skf18("5","1","6","9","9","8","1") = "8"
    & skf18("5","1","6","9","9","9","1") = "8"
    & skf18("5","1","6","9","9","10","1") = "9"
    & skf18("5","1","6","9","10","1","1") = "9"
    & skf18("5","1","6","9","10","2","1") = "9"
    & skf18("5","1","6","9","10","3","1") = "9"
    & skf18("5","1","6","9","10","4","1") = "9"
    & skf18("5","1","6","9","10","5","1") = "9"
    & skf18("5","1","6","9","10","6","1") = "9"
    & skf18("5","1","6","9","10","7","1") = "9"
    & skf18("5","1","6","9","10","8","1") = "9"
    & skf18("5","1","6","9","10","9","1") = "9"
    & skf18("5","1","6","9","10","10","1") = "9"
    & skf18("5","1","6","10","1","1","1") = "9"
    & skf18("5","1","6","10","1","2","1") = "9"
    & skf18("5","1","6","10","1","3","1") = "9"
    & skf18("5","1","6","10","1","4","1") = "9"
    & skf18("5","1","6","10","1","5","1") = "9"
    & skf18("5","1","6","10","1","6","1") = "9"
    & skf18("5","1","6","10","1","7","1") = "9"
    & skf18("5","1","6","10","1","8","1") = "9"
    & skf18("5","1","6","10","1","9","1") = "9"
    & skf18("5","1","6","10","1","10","1") = "9"
    & skf18("5","1","6","10","2","1","1") = "9"
    & skf18("5","1","6","10","2","2","1") = "9"
    & skf18("5","1","6","10","2","3","1") = "9"
    & skf18("5","1","6","10","2","4","1") = "9"
    & skf18("5","1","6","10","2","5","1") = "9"
    & skf18("5","1","6","10","2","6","1") = "9"
    & skf18("5","1","6","10","2","7","1") = "9"
    & skf18("5","1","6","10","2","8","1") = "9"
    & skf18("5","1","6","10","2","9","1") = "9"
    & skf18("5","1","6","10","2","10","1") = "9"
    & skf18("5","1","6","10","3","1","1") = "9"
    & skf18("5","1","6","10","3","2","1") = "9"
    & skf18("5","1","6","10","3","3","1") = "9"
    & skf18("5","1","6","10","3","4","1") = "9"
    & skf18("5","1","6","10","3","5","1") = "9"
    & skf18("5","1","6","10","3","6","1") = "9"
    & skf18("5","1","6","10","3","7","1") = "9"
    & skf18("5","1","6","10","3","8","1") = "9"
    & skf18("5","1","6","10","3","9","1") = "9"
    & skf18("5","1","6","10","3","10","1") = "9"
    & skf18("5","1","6","10","4","1","1") = "9"
    & skf18("5","1","6","10","4","2","1") = "9"
    & skf18("5","1","6","10","4","3","1") = "9"
    & skf18("5","1","6","10","4","4","1") = "9"
    & skf18("5","1","6","10","4","5","1") = "9"
    & skf18("5","1","6","10","4","6","1") = "9"
    & skf18("5","1","6","10","4","7","1") = "9"
    & skf18("5","1","6","10","4","8","1") = "9"
    & skf18("5","1","6","10","4","9","1") = "9"
    & skf18("5","1","6","10","4","10","1") = "9"
    & skf18("5","1","6","10","5","1","1") = "9"
    & skf18("5","1","6","10","5","2","1") = "9"
    & skf18("5","1","6","10","5","3","1") = "9"
    & skf18("5","1","6","10","5","4","1") = "9"
    & skf18("5","1","6","10","5","5","1") = "9"
    & skf18("5","1","6","10","5","6","1") = "9"
    & skf18("5","1","6","10","5","7","1") = "9"
    & skf18("5","1","6","10","5","8","1") = "9"
    & skf18("5","1","6","10","5","9","1") = "9"
    & skf18("5","1","6","10","5","10","1") = "9"
    & skf18("5","1","6","10","6","1","1") = "9"
    & skf18("5","1","6","10","6","2","1") = "9"
    & skf18("5","1","6","10","6","3","1") = "9"
    & skf18("5","1","6","10","6","4","1") = "9"
    & skf18("5","1","6","10","6","5","1") = "9"
    & skf18("5","1","6","10","6","6","1") = "9"
    & skf18("5","1","6","10","6","7","1") = "9"
    & skf18("5","1","6","10","6","8","1") = "9"
    & skf18("5","1","6","10","6","9","1") = "9"
    & skf18("5","1","6","10","6","10","1") = "9"
    & skf18("5","1","6","10","7","1","1") = "9"
    & skf18("5","1","6","10","7","2","1") = "9"
    & skf18("5","1","6","10","7","3","1") = "9"
    & skf18("5","1","6","10","7","4","1") = "9"
    & skf18("5","1","6","10","7","5","1") = "9"
    & skf18("5","1","6","10","7","6","1") = "9"
    & skf18("5","1","6","10","7","7","1") = "9"
    & skf18("5","1","6","10","7","8","1") = "9"
    & skf18("5","1","6","10","7","9","1") = "9"
    & skf18("5","1","6","10","7","10","1") = "9"
    & skf18("5","1","6","10","8","1","1") = "9"
    & skf18("5","1","6","10","8","2","1") = "9"
    & skf18("5","1","6","10","8","3","1") = "9"
    & skf18("5","1","6","10","8","4","1") = "9"
    & skf18("5","1","6","10","8","5","1") = "9"
    & skf18("5","1","6","10","8","6","1") = "9"
    & skf18("5","1","6","10","8","7","1") = "9"
    & skf18("5","1","6","10","8","8","1") = "9"
    & skf18("5","1","6","10","8","9","1") = "9"
    & skf18("5","1","6","10","8","10","1") = "9"
    & skf18("5","1","6","10","9","1","1") = "9"
    & skf18("5","1","6","10","9","2","1") = "9"
    & skf18("5","1","6","10","9","3","1") = "9"
    & skf18("5","1","6","10","9","4","1") = "9"
    & skf18("5","1","6","10","9","5","1") = "9"
    & skf18("5","1","6","10","9","6","1") = "9"
    & skf18("5","1","6","10","9","7","1") = "9"
    & skf18("5","1","6","10","9","8","1") = "9"
    & skf18("5","1","6","10","9","9","1") = "9"
    & skf18("5","1","6","10","9","10","1") = "9"
    & skf18("5","1","6","10","10","1","1") = "9"
    & skf18("5","1","6","10","10","2","1") = "9"
    & skf18("5","1","6","10","10","3","1") = "9"
    & skf18("5","1","6","10","10","4","1") = "9"
    & skf18("5","1","6","10","10","5","1") = "9"
    & skf18("5","1","6","10","10","6","1") = "9"
    & skf18("5","1","6","10","10","7","1") = "9"
    & skf18("5","1","6","10","10","8","1") = "9"
    & skf18("5","1","6","10","10","9","1") = "9"
    & skf18("5","1","6","10","10","10","1") = "9"
    & skf18("5","1","7","1","1","1","1") = "6"
    & skf18("5","1","7","1","1","2","1") = "6"
    & skf18("5","1","7","1","1","3","1") = "6"
    & skf18("5","1","7","1","1","4","1") = "6"
    & skf18("5","1","7","1","1","5","1") = "6"
    & skf18("5","1","7","1","1","6","1") = "6"
    & skf18("5","1","7","1","1","7","1") = "6"
    & skf18("5","1","7","1","1","8","1") = "7"
    & skf18("5","1","7","1","1","9","1") = "8"
    & skf18("5","1","7","1","1","10","1") = "9"
    & skf18("5","1","7","1","2","1","1") = "6"
    & skf18("5","1","7","1","2","2","1") = "6"
    & skf18("5","1","7","1","2","3","1") = "6"
    & skf18("5","1","7","1","2","4","1") = "6"
    & skf18("5","1","7","1","2","5","1") = "6"
    & skf18("5","1","7","1","2","6","1") = "6"
    & skf18("5","1","7","1","2","7","1") = "6"
    & skf18("5","1","7","1","2","8","1") = "7"
    & skf18("5","1","7","1","2","9","1") = "8"
    & skf18("5","1","7","1","2","10","1") = "9"
    & skf18("5","1","7","1","3","1","1") = "6"
    & skf18("5","1","7","1","3","2","1") = "6"
    & skf18("5","1","7","1","3","3","1") = "6"
    & skf18("5","1","7","1","3","4","1") = "6"
    & skf18("5","1","7","1","3","5","1") = "6"
    & skf18("5","1","7","1","3","6","1") = "6"
    & skf18("5","1","7","1","3","7","1") = "6"
    & skf18("5","1","7","1","3","8","1") = "7"
    & skf18("5","1","7","1","3","9","1") = "8"
    & skf18("5","1","7","1","3","10","1") = "9"
    & skf18("5","1","7","1","4","1","1") = "6"
    & skf18("5","1","7","1","4","2","1") = "6"
    & skf18("5","1","7","1","4","3","1") = "6"
    & skf18("5","1","7","1","4","4","1") = "6"
    & skf18("5","1","7","1","4","5","1") = "6"
    & skf18("5","1","7","1","4","6","1") = "6"
    & skf18("5","1","7","1","4","7","1") = "6"
    & skf18("5","1","7","1","4","8","1") = "7"
    & skf18("5","1","7","1","4","9","1") = "8"
    & skf18("5","1","7","1","4","10","1") = "9"
    & skf18("5","1","7","1","5","1","1") = "6"
    & skf18("5","1","7","1","5","2","1") = "6"
    & skf18("5","1","7","1","5","3","1") = "6"
    & skf18("5","1","7","1","5","4","1") = "6"
    & skf18("5","1","7","1","5","5","1") = "6"
    & skf18("5","1","7","1","5","6","1") = "6"
    & skf18("5","1","7","1","5","7","1") = "6"
    & skf18("5","1","7","1","5","8","1") = "7"
    & skf18("5","1","7","1","5","9","1") = "8"
    & skf18("5","1","7","1","5","10","1") = "9"
    & skf18("5","1","7","1","6","1","1") = "6"
    & skf18("5","1","7","1","6","2","1") = "6"
    & skf18("5","1","7","1","6","3","1") = "6"
    & skf18("5","1","7","1","6","4","1") = "6"
    & skf18("5","1","7","1","6","5","1") = "6"
    & skf18("5","1","7","1","6","6","1") = "6"
    & skf18("5","1","7","1","6","7","1") = "6"
    & skf18("5","1","7","1","6","8","1") = "7"
    & skf18("5","1","7","1","6","9","1") = "8"
    & skf18("5","1","7","1","6","10","1") = "9"
    & skf18("5","1","7","1","7","1","1") = "6"
    & skf18("5","1","7","1","7","2","1") = "6"
    & skf18("5","1","7","1","7","3","1") = "6"
    & skf18("5","1","7","1","7","4","1") = "6"
    & skf18("5","1","7","1","7","5","1") = "6"
    & skf18("5","1","7","1","7","6","1") = "6"
    & skf18("5","1","7","1","7","7","1") = "6"
    & skf18("5","1","7","1","7","8","1") = "7"
    & skf18("5","1","7","1","7","9","1") = "8"
    & skf18("5","1","7","1","7","10","1") = "9"
    & skf18("5","1","7","1","8","1","1") = "7"
    & skf18("5","1","7","1","8","2","1") = "7"
    & skf18("5","1","7","1","8","3","1") = "7"
    & skf18("5","1","7","1","8","4","1") = "7"
    & skf18("5","1","7","1","8","5","1") = "7"
    & skf18("5","1","7","1","8","6","1") = "7"
    & skf18("5","1","7","1","8","7","1") = "7"
    & skf18("5","1","7","1","8","8","1") = "7"
    & skf18("5","1","7","1","8","9","1") = "8"
    & skf18("5","1","7","1","8","10","1") = "9"
    & skf18("5","1","7","1","9","1","1") = "8"
    & skf18("5","1","7","1","9","2","1") = "8"
    & skf18("5","1","7","1","9","3","1") = "8"
    & skf18("5","1","7","1","9","4","1") = "8"
    & skf18("5","1","7","1","9","5","1") = "8"
    & skf18("5","1","7","1","9","6","1") = "8"
    & skf18("5","1","7","1","9","7","1") = "8"
    & skf18("5","1","7","1","9","8","1") = "8"
    & skf18("5","1","7","1","9","9","1") = "8"
    & skf18("5","1","7","1","9","10","1") = "9"
    & skf18("5","1","7","1","10","1","1") = "9"
    & skf18("5","1","7","1","10","2","1") = "9"
    & skf18("5","1","7","1","10","3","1") = "9"
    & skf18("5","1","7","1","10","4","1") = "9"
    & skf18("5","1","7","1","10","5","1") = "9"
    & skf18("5","1","7","1","10","6","1") = "9"
    & skf18("5","1","7","1","10","7","1") = "9"
    & skf18("5","1","7","1","10","8","1") = "9"
    & skf18("5","1","7","1","10","9","1") = "9"
    & skf18("5","1","7","1","10","10","1") = "9"
    & skf18("5","1","7","2","1","1","1") = "6"
    & skf18("5","1","7","2","1","2","1") = "6"
    & skf18("5","1","7","2","1","3","1") = "6"
    & skf18("5","1","7","2","1","4","1") = "6"
    & skf18("5","1","7","2","1","5","1") = "6"
    & skf18("5","1","7","2","1","6","1") = "6"
    & skf18("5","1","7","2","1","7","1") = "6"
    & skf18("5","1","7","2","1","8","1") = "7"
    & skf18("5","1","7","2","1","9","1") = "8"
    & skf18("5","1","7","2","1","10","1") = "9"
    & skf18("5","1","7","2","2","1","1") = "6"
    & skf18("5","1","7","2","2","2","1") = "6"
    & skf18("5","1","7","2","2","3","1") = "6"
    & skf18("5","1","7","2","2","4","1") = "6"
    & skf18("5","1","7","2","2","5","1") = "6"
    & skf18("5","1","7","2","2","6","1") = "6"
    & skf18("5","1","7","2","2","7","1") = "6"
    & skf18("5","1","7","2","2","8","1") = "7"
    & skf18("5","1","7","2","2","9","1") = "8"
    & skf18("5","1","7","2","2","10","1") = "9"
    & skf18("5","1","7","2","3","1","1") = "6"
    & skf18("5","1","7","2","3","2","1") = "6"
    & skf18("5","1","7","2","3","3","1") = "6"
    & skf18("5","1","7","2","3","4","1") = "6"
    & skf18("5","1","7","2","3","5","1") = "6"
    & skf18("5","1","7","2","3","6","1") = "6"
    & skf18("5","1","7","2","3","7","1") = "6"
    & skf18("5","1","7","2","3","8","1") = "7"
    & skf18("5","1","7","2","3","9","1") = "8"
    & skf18("5","1","7","2","3","10","1") = "9"
    & skf18("5","1","7","2","4","1","1") = "6"
    & skf18("5","1","7","2","4","2","1") = "6"
    & skf18("5","1","7","2","4","3","1") = "6"
    & skf18("5","1","7","2","4","4","1") = "6"
    & skf18("5","1","7","2","4","5","1") = "6"
    & skf18("5","1","7","2","4","6","1") = "6"
    & skf18("5","1","7","2","4","7","1") = "6"
    & skf18("5","1","7","2","4","8","1") = "7"
    & skf18("5","1","7","2","4","9","1") = "8"
    & skf18("5","1","7","2","4","10","1") = "9"
    & skf18("5","1","7","2","5","1","1") = "6"
    & skf18("5","1","7","2","5","2","1") = "6"
    & skf18("5","1","7","2","5","3","1") = "6"
    & skf18("5","1","7","2","5","4","1") = "6"
    & skf18("5","1","7","2","5","5","1") = "6"
    & skf18("5","1","7","2","5","6","1") = "6"
    & skf18("5","1","7","2","5","7","1") = "6"
    & skf18("5","1","7","2","5","8","1") = "7"
    & skf18("5","1","7","2","5","9","1") = "8"
    & skf18("5","1","7","2","5","10","1") = "9"
    & skf18("5","1","7","2","6","1","1") = "6"
    & skf18("5","1","7","2","6","2","1") = "6"
    & skf18("5","1","7","2","6","3","1") = "6"
    & skf18("5","1","7","2","6","4","1") = "6"
    & skf18("5","1","7","2","6","5","1") = "6"
    & skf18("5","1","7","2","6","6","1") = "6"
    & skf18("5","1","7","2","6","7","1") = "6"
    & skf18("5","1","7","2","6","8","1") = "7"
    & skf18("5","1","7","2","6","9","1") = "8"
    & skf18("5","1","7","2","6","10","1") = "9"
    & skf18("5","1","7","2","7","1","1") = "6"
    & skf18("5","1","7","2","7","2","1") = "6"
    & skf18("5","1","7","2","7","3","1") = "6"
    & skf18("5","1","7","2","7","4","1") = "6"
    & skf18("5","1","7","2","7","5","1") = "6"
    & skf18("5","1","7","2","7","6","1") = "6"
    & skf18("5","1","7","2","7","7","1") = "6"
    & skf18("5","1","7","2","7","8","1") = "7"
    & skf18("5","1","7","2","7","9","1") = "8"
    & skf18("5","1","7","2","7","10","1") = "9"
    & skf18("5","1","7","2","8","1","1") = "7"
    & skf18("5","1","7","2","8","2","1") = "7"
    & skf18("5","1","7","2","8","3","1") = "7"
    & skf18("5","1","7","2","8","4","1") = "7"
    & skf18("5","1","7","2","8","5","1") = "7"
    & skf18("5","1","7","2","8","6","1") = "7"
    & skf18("5","1","7","2","8","7","1") = "7"
    & skf18("5","1","7","2","8","8","1") = "7"
    & skf18("5","1","7","2","8","9","1") = "8"
    & skf18("5","1","7","2","8","10","1") = "9"
    & skf18("5","1","7","2","9","1","1") = "8"
    & skf18("5","1","7","2","9","2","1") = "8"
    & skf18("5","1","7","2","9","3","1") = "8"
    & skf18("5","1","7","2","9","4","1") = "8"
    & skf18("5","1","7","2","9","5","1") = "8"
    & skf18("5","1","7","2","9","6","1") = "8"
    & skf18("5","1","7","2","9","7","1") = "8"
    & skf18("5","1","7","2","9","8","1") = "8"
    & skf18("5","1","7","2","9","9","1") = "8"
    & skf18("5","1","7","2","9","10","1") = "9"
    & skf18("5","1","7","2","10","1","1") = "9"
    & skf18("5","1","7","2","10","2","1") = "9"
    & skf18("5","1","7","2","10","3","1") = "9"
    & skf18("5","1","7","2","10","4","1") = "9"
    & skf18("5","1","7","2","10","5","1") = "9"
    & skf18("5","1","7","2","10","6","1") = "9"
    & skf18("5","1","7","2","10","7","1") = "9"
    & skf18("5","1","7","2","10","8","1") = "9"
    & skf18("5","1","7","2","10","9","1") = "9"
    & skf18("5","1","7","2","10","10","1") = "9"
    & skf18("5","1","7","3","1","1","1") = "6"
    & skf18("5","1","7","3","1","2","1") = "6"
    & skf18("5","1","7","3","1","3","1") = "6"
    & skf18("5","1","7","3","1","4","1") = "6"
    & skf18("5","1","7","3","1","5","1") = "6"
    & skf18("5","1","7","3","1","6","1") = "6"
    & skf18("5","1","7","3","1","7","1") = "6"
    & skf18("5","1","7","3","1","8","1") = "7"
    & skf18("5","1","7","3","1","9","1") = "8"
    & skf18("5","1","7","3","1","10","1") = "9"
    & skf18("5","1","7","3","2","1","1") = "6"
    & skf18("5","1","7","3","2","2","1") = "6"
    & skf18("5","1","7","3","2","3","1") = "6"
    & skf18("5","1","7","3","2","4","1") = "6"
    & skf18("5","1","7","3","2","5","1") = "6"
    & skf18("5","1","7","3","2","6","1") = "6"
    & skf18("5","1","7","3","2","7","1") = "6"
    & skf18("5","1","7","3","2","8","1") = "7"
    & skf18("5","1","7","3","2","9","1") = "8"
    & skf18("5","1","7","3","2","10","1") = "9"
    & skf18("5","1","7","3","3","1","1") = "6"
    & skf18("5","1","7","3","3","2","1") = "6"
    & skf18("5","1","7","3","3","3","1") = "6"
    & skf18("5","1","7","3","3","4","1") = "6"
    & skf18("5","1","7","3","3","5","1") = "6"
    & skf18("5","1","7","3","3","6","1") = "6"
    & skf18("5","1","7","3","3","7","1") = "6"
    & skf18("5","1","7","3","3","8","1") = "7"
    & skf18("5","1","7","3","3","9","1") = "8"
    & skf18("5","1","7","3","3","10","1") = "9"
    & skf18("5","1","7","3","4","1","1") = "6"
    & skf18("5","1","7","3","4","2","1") = "6"
    & skf18("5","1","7","3","4","3","1") = "6"
    & skf18("5","1","7","3","4","4","1") = "6"
    & skf18("5","1","7","3","4","5","1") = "6"
    & skf18("5","1","7","3","4","6","1") = "6"
    & skf18("5","1","7","3","4","7","1") = "6"
    & skf18("5","1","7","3","4","8","1") = "7"
    & skf18("5","1","7","3","4","9","1") = "8"
    & skf18("5","1","7","3","4","10","1") = "9"
    & skf18("5","1","7","3","5","1","1") = "6"
    & skf18("5","1","7","3","5","2","1") = "6"
    & skf18("5","1","7","3","5","3","1") = "6"
    & skf18("5","1","7","3","5","4","1") = "6"
    & skf18("5","1","7","3","5","5","1") = "6"
    & skf18("5","1","7","3","5","6","1") = "6"
    & skf18("5","1","7","3","5","7","1") = "6"
    & skf18("5","1","7","3","5","8","1") = "7"
    & skf18("5","1","7","3","5","9","1") = "8"
    & skf18("5","1","7","3","5","10","1") = "9"
    & skf18("5","1","7","3","6","1","1") = "6"
    & skf18("5","1","7","3","6","2","1") = "6"
    & skf18("5","1","7","3","6","3","1") = "6"
    & skf18("5","1","7","3","6","4","1") = "6"
    & skf18("5","1","7","3","6","5","1") = "6"
    & skf18("5","1","7","3","6","6","1") = "6"
    & skf18("5","1","7","3","6","7","1") = "6"
    & skf18("5","1","7","3","6","8","1") = "7"
    & skf18("5","1","7","3","6","9","1") = "8"
    & skf18("5","1","7","3","6","10","1") = "9"
    & skf18("5","1","7","3","7","1","1") = "6"
    & skf18("5","1","7","3","7","2","1") = "6"
    & skf18("5","1","7","3","7","3","1") = "6"
    & skf18("5","1","7","3","7","4","1") = "6"
    & skf18("5","1","7","3","7","5","1") = "6"
    & skf18("5","1","7","3","7","6","1") = "6"
    & skf18("5","1","7","3","7","7","1") = "6"
    & skf18("5","1","7","3","7","8","1") = "7"
    & skf18("5","1","7","3","7","9","1") = "8"
    & skf18("5","1","7","3","7","10","1") = "9"
    & skf18("5","1","7","3","8","1","1") = "7"
    & skf18("5","1","7","3","8","2","1") = "7"
    & skf18("5","1","7","3","8","3","1") = "7"
    & skf18("5","1","7","3","8","4","1") = "7"
    & skf18("5","1","7","3","8","5","1") = "7"
    & skf18("5","1","7","3","8","6","1") = "7"
    & skf18("5","1","7","3","8","7","1") = "7"
    & skf18("5","1","7","3","8","8","1") = "7"
    & skf18("5","1","7","3","8","9","1") = "8"
    & skf18("5","1","7","3","8","10","1") = "9"
    & skf18("5","1","7","3","9","1","1") = "8"
    & skf18("5","1","7","3","9","2","1") = "8"
    & skf18("5","1","7","3","9","3","1") = "8"
    & skf18("5","1","7","3","9","4","1") = "8"
    & skf18("5","1","7","3","9","5","1") = "8"
    & skf18("5","1","7","3","9","6","1") = "8"
    & skf18("5","1","7","3","9","7","1") = "8"
    & skf18("5","1","7","3","9","8","1") = "8"
    & skf18("5","1","7","3","9","9","1") = "8"
    & skf18("5","1","7","3","9","10","1") = "9"
    & skf18("5","1","7","3","10","1","1") = "9"
    & skf18("5","1","7","3","10","2","1") = "9"
    & skf18("5","1","7","3","10","3","1") = "9"
    & skf18("5","1","7","3","10","4","1") = "9"
    & skf18("5","1","7","3","10","5","1") = "9"
    & skf18("5","1","7","3","10","6","1") = "9"
    & skf18("5","1","7","3","10","7","1") = "9"
    & skf18("5","1","7","3","10","8","1") = "9"
    & skf18("5","1","7","3","10","9","1") = "9"
    & skf18("5","1","7","3","10","10","1") = "9"
    & skf18("5","1","7","4","1","1","1") = "6"
    & skf18("5","1","7","4","1","2","1") = "6"
    & skf18("5","1","7","4","1","3","1") = "6"
    & skf18("5","1","7","4","1","4","1") = "6"
    & skf18("5","1","7","4","1","5","1") = "6"
    & skf18("5","1","7","4","1","6","1") = "6"
    & skf18("5","1","7","4","1","7","1") = "6"
    & skf18("5","1","7","4","1","8","1") = "7"
    & skf18("5","1","7","4","1","9","1") = "8"
    & skf18("5","1","7","4","1","10","1") = "9"
    & skf18("5","1","7","4","2","1","1") = "6"
    & skf18("5","1","7","4","2","2","1") = "6"
    & skf18("5","1","7","4","2","3","1") = "6"
    & skf18("5","1","7","4","2","4","1") = "6"
    & skf18("5","1","7","4","2","5","1") = "6"
    & skf18("5","1","7","4","2","6","1") = "6"
    & skf18("5","1","7","4","2","7","1") = "6"
    & skf18("5","1","7","4","2","8","1") = "7"
    & skf18("5","1","7","4","2","9","1") = "8"
    & skf18("5","1","7","4","2","10","1") = "9"
    & skf18("5","1","7","4","3","1","1") = "6"
    & skf18("5","1","7","4","3","2","1") = "6"
    & skf18("5","1","7","4","3","3","1") = "6"
    & skf18("5","1","7","4","3","4","1") = "6"
    & skf18("5","1","7","4","3","5","1") = "6"
    & skf18("5","1","7","4","3","6","1") = "6"
    & skf18("5","1","7","4","3","7","1") = "6"
    & skf18("5","1","7","4","3","8","1") = "7"
    & skf18("5","1","7","4","3","9","1") = "8"
    & skf18("5","1","7","4","3","10","1") = "9"
    & skf18("5","1","7","4","4","1","1") = "6"
    & skf18("5","1","7","4","4","2","1") = "6"
    & skf18("5","1","7","4","4","3","1") = "6"
    & skf18("5","1","7","4","4","4","1") = "6"
    & skf18("5","1","7","4","4","5","1") = "6"
    & skf18("5","1","7","4","4","6","1") = "6"
    & skf18("5","1","7","4","4","7","1") = "6"
    & skf18("5","1","7","4","4","8","1") = "7"
    & skf18("5","1","7","4","4","9","1") = "8"
    & skf18("5","1","7","4","4","10","1") = "9"
    & skf18("5","1","7","4","5","1","1") = "6"
    & skf18("5","1","7","4","5","2","1") = "6"
    & skf18("5","1","7","4","5","3","1") = "6"
    & skf18("5","1","7","4","5","4","1") = "6"
    & skf18("5","1","7","4","5","5","1") = "6"
    & skf18("5","1","7","4","5","6","1") = "6"
    & skf18("5","1","7","4","5","7","1") = "6"
    & skf18("5","1","7","4","5","8","1") = "7"
    & skf18("5","1","7","4","5","9","1") = "8"
    & skf18("5","1","7","4","5","10","1") = "9"
    & skf18("5","1","7","4","6","1","1") = "6"
    & skf18("5","1","7","4","6","2","1") = "6"
    & skf18("5","1","7","4","6","3","1") = "6"
    & skf18("5","1","7","4","6","4","1") = "6"
    & skf18("5","1","7","4","6","5","1") = "6"
    & skf18("5","1","7","4","6","6","1") = "6"
    & skf18("5","1","7","4","6","7","1") = "6"
    & skf18("5","1","7","4","6","8","1") = "7"
    & skf18("5","1","7","4","6","9","1") = "8"
    & skf18("5","1","7","4","6","10","1") = "9"
    & skf18("5","1","7","4","7","1","1") = "6"
    & skf18("5","1","7","4","7","2","1") = "6"
    & skf18("5","1","7","4","7","3","1") = "6"
    & skf18("5","1","7","4","7","4","1") = "6"
    & skf18("5","1","7","4","7","5","1") = "6"
    & skf18("5","1","7","4","7","6","1") = "6"
    & skf18("5","1","7","4","7","7","1") = "6"
    & skf18("5","1","7","4","7","8","1") = "7"
    & skf18("5","1","7","4","7","9","1") = "8"
    & skf18("5","1","7","4","7","10","1") = "9"
    & skf18("5","1","7","4","8","1","1") = "7"
    & skf18("5","1","7","4","8","2","1") = "7"
    & skf18("5","1","7","4","8","3","1") = "7"
    & skf18("5","1","7","4","8","4","1") = "7"
    & skf18("5","1","7","4","8","5","1") = "7"
    & skf18("5","1","7","4","8","6","1") = "7"
    & skf18("5","1","7","4","8","7","1") = "7"
    & skf18("5","1","7","4","8","8","1") = "7"
    & skf18("5","1","7","4","8","9","1") = "8"
    & skf18("5","1","7","4","8","10","1") = "9"
    & skf18("5","1","7","4","9","1","1") = "8"
    & skf18("5","1","7","4","9","2","1") = "8"
    & skf18("5","1","7","4","9","3","1") = "8"
    & skf18("5","1","7","4","9","4","1") = "8"
    & skf18("5","1","7","4","9","5","1") = "8"
    & skf18("5","1","7","4","9","6","1") = "8"
    & skf18("5","1","7","4","9","7","1") = "8"
    & skf18("5","1","7","4","9","8","1") = "8"
    & skf18("5","1","7","4","9","9","1") = "8"
    & skf18("5","1","7","4","9","10","1") = "9"
    & skf18("5","1","7","4","10","1","1") = "9"
    & skf18("5","1","7","4","10","2","1") = "9"
    & skf18("5","1","7","4","10","3","1") = "9"
    & skf18("5","1","7","4","10","4","1") = "9"
    & skf18("5","1","7","4","10","5","1") = "9"
    & skf18("5","1","7","4","10","6","1") = "9"
    & skf18("5","1","7","4","10","7","1") = "9"
    & skf18("5","1","7","4","10","8","1") = "9"
    & skf18("5","1","7","4","10","9","1") = "9"
    & skf18("5","1","7","4","10","10","1") = "9"
    & skf18("5","1","7","5","1","1","1") = "6"
    & skf18("5","1","7","5","1","2","1") = "6"
    & skf18("5","1","7","5","1","3","1") = "6"
    & skf18("5","1","7","5","1","4","1") = "6"
    & skf18("5","1","7","5","1","5","1") = "6"
    & skf18("5","1","7","5","1","6","1") = "6"
    & skf18("5","1","7","5","1","7","1") = "6"
    & skf18("5","1","7","5","1","8","1") = "7"
    & skf18("5","1","7","5","1","9","1") = "8"
    & skf18("5","1","7","5","1","10","1") = "9"
    & skf18("5","1","7","5","2","1","1") = "6"
    & skf18("5","1","7","5","2","2","1") = "6"
    & skf18("5","1","7","5","2","3","1") = "6"
    & skf18("5","1","7","5","2","4","1") = "6"
    & skf18("5","1","7","5","2","5","1") = "6"
    & skf18("5","1","7","5","2","6","1") = "6"
    & skf18("5","1","7","5","2","7","1") = "6"
    & skf18("5","1","7","5","2","8","1") = "7"
    & skf18("5","1","7","5","2","9","1") = "8"
    & skf18("5","1","7","5","2","10","1") = "9"
    & skf18("5","1","7","5","3","1","1") = "6"
    & skf18("5","1","7","5","3","2","1") = "6"
    & skf18("5","1","7","5","3","3","1") = "6"
    & skf18("5","1","7","5","3","4","1") = "6"
    & skf18("5","1","7","5","3","5","1") = "6"
    & skf18("5","1","7","5","3","6","1") = "6"
    & skf18("5","1","7","5","3","7","1") = "6"
    & skf18("5","1","7","5","3","8","1") = "7"
    & skf18("5","1","7","5","3","9","1") = "8"
    & skf18("5","1","7","5","3","10","1") = "9"
    & skf18("5","1","7","5","4","1","1") = "6"
    & skf18("5","1","7","5","4","2","1") = "6"
    & skf18("5","1","7","5","4","3","1") = "6"
    & skf18("5","1","7","5","4","4","1") = "6"
    & skf18("5","1","7","5","4","5","1") = "6"
    & skf18("5","1","7","5","4","6","1") = "6"
    & skf18("5","1","7","5","4","7","1") = "6"
    & skf18("5","1","7","5","4","8","1") = "7"
    & skf18("5","1","7","5","4","9","1") = "8"
    & skf18("5","1","7","5","4","10","1") = "9"
    & skf18("5","1","7","5","5","1","1") = "6"
    & skf18("5","1","7","5","5","2","1") = "6"
    & skf18("5","1","7","5","5","3","1") = "6"
    & skf18("5","1","7","5","5","4","1") = "6"
    & skf18("5","1","7","5","5","5","1") = "6"
    & skf18("5","1","7","5","5","6","1") = "6"
    & skf18("5","1","7","5","5","7","1") = "6"
    & skf18("5","1","7","5","5","8","1") = "7"
    & skf18("5","1","7","5","5","9","1") = "8"
    & skf18("5","1","7","5","5","10","1") = "9"
    & skf18("5","1","7","5","6","1","1") = "6"
    & skf18("5","1","7","5","6","2","1") = "6"
    & skf18("5","1","7","5","6","3","1") = "6"
    & skf18("5","1","7","5","6","4","1") = "6"
    & skf18("5","1","7","5","6","5","1") = "6"
    & skf18("5","1","7","5","6","6","1") = "6"
    & skf18("5","1","7","5","6","7","1") = "6"
    & skf18("5","1","7","5","6","8","1") = "7"
    & skf18("5","1","7","5","6","9","1") = "8"
    & skf18("5","1","7","5","6","10","1") = "9"
    & skf18("5","1","7","5","7","1","1") = "6"
    & skf18("5","1","7","5","7","2","1") = "6"
    & skf18("5","1","7","5","7","3","1") = "6"
    & skf18("5","1","7","5","7","4","1") = "6"
    & skf18("5","1","7","5","7","5","1") = "6"
    & skf18("5","1","7","5","7","6","1") = "6"
    & skf18("5","1","7","5","7","7","1") = "6"
    & skf18("5","1","7","5","7","8","1") = "7"
    & skf18("5","1","7","5","7","9","1") = "8"
    & skf18("5","1","7","5","7","10","1") = "9"
    & skf18("5","1","7","5","8","1","1") = "7"
    & skf18("5","1","7","5","8","2","1") = "7"
    & skf18("5","1","7","5","8","3","1") = "7"
    & skf18("5","1","7","5","8","4","1") = "7"
    & skf18("5","1","7","5","8","5","1") = "7"
    & skf18("5","1","7","5","8","6","1") = "7"
    & skf18("5","1","7","5","8","7","1") = "7"
    & skf18("5","1","7","5","8","8","1") = "7"
    & skf18("5","1","7","5","8","9","1") = "8"
    & skf18("5","1","7","5","8","10","1") = "9"
    & skf18("5","1","7","5","9","1","1") = "8"
    & skf18("5","1","7","5","9","2","1") = "8"
    & skf18("5","1","7","5","9","3","1") = "8"
    & skf18("5","1","7","5","9","4","1") = "8"
    & skf18("5","1","7","5","9","5","1") = "8"
    & skf18("5","1","7","5","9","6","1") = "8"
    & skf18("5","1","7","5","9","7","1") = "8"
    & skf18("5","1","7","5","9","8","1") = "8"
    & skf18("5","1","7","5","9","9","1") = "8"
    & skf18("5","1","7","5","9","10","1") = "9"
    & skf18("5","1","7","5","10","1","1") = "9"
    & skf18("5","1","7","5","10","2","1") = "9"
    & skf18("5","1","7","5","10","3","1") = "9"
    & skf18("5","1","7","5","10","4","1") = "9"
    & skf18("5","1","7","5","10","5","1") = "9"
    & skf18("5","1","7","5","10","6","1") = "9"
    & skf18("5","1","7","5","10","7","1") = "9"
    & skf18("5","1","7","5","10","8","1") = "9"
    & skf18("5","1","7","5","10","9","1") = "9"
    & skf18("5","1","7","5","10","10","1") = "9"
    & skf18("5","1","7","6","1","1","1") = "6"
    & skf18("5","1","7","6","1","2","1") = "6"
    & skf18("5","1","7","6","1","3","1") = "6"
    & skf18("5","1","7","6","1","4","1") = "6"
    & skf18("5","1","7","6","1","5","1") = "6"
    & skf18("5","1","7","6","1","6","1") = "6"
    & skf18("5","1","7","6","1","7","1") = "6"
    & skf18("5","1","7","6","1","8","1") = "7"
    & skf18("5","1","7","6","1","9","1") = "8"
    & skf18("5","1","7","6","1","10","1") = "9"
    & skf18("5","1","7","6","2","1","1") = "6"
    & skf18("5","1","7","6","2","2","1") = "6"
    & skf18("5","1","7","6","2","3","1") = "6"
    & skf18("5","1","7","6","2","4","1") = "6"
    & skf18("5","1","7","6","2","5","1") = "6"
    & skf18("5","1","7","6","2","6","1") = "6"
    & skf18("5","1","7","6","2","7","1") = "6"
    & skf18("5","1","7","6","2","8","1") = "7"
    & skf18("5","1","7","6","2","9","1") = "8"
    & skf18("5","1","7","6","2","10","1") = "9"
    & skf18("5","1","7","6","3","1","1") = "6"
    & skf18("5","1","7","6","3","2","1") = "6"
    & skf18("5","1","7","6","3","3","1") = "6"
    & skf18("5","1","7","6","3","4","1") = "6"
    & skf18("5","1","7","6","3","5","1") = "6"
    & skf18("5","1","7","6","3","6","1") = "6"
    & skf18("5","1","7","6","3","7","1") = "6"
    & skf18("5","1","7","6","3","8","1") = "7"
    & skf18("5","1","7","6","3","9","1") = "8"
    & skf18("5","1","7","6","3","10","1") = "9"
    & skf18("5","1","7","6","4","1","1") = "6"
    & skf18("5","1","7","6","4","2","1") = "6"
    & skf18("5","1","7","6","4","3","1") = "6"
    & skf18("5","1","7","6","4","4","1") = "6"
    & skf18("5","1","7","6","4","5","1") = "6"
    & skf18("5","1","7","6","4","6","1") = "6"
    & skf18("5","1","7","6","4","7","1") = "6"
    & skf18("5","1","7","6","4","8","1") = "7"
    & skf18("5","1","7","6","4","9","1") = "8"
    & skf18("5","1","7","6","4","10","1") = "9"
    & skf18("5","1","7","6","5","1","1") = "6"
    & skf18("5","1","7","6","5","2","1") = "6"
    & skf18("5","1","7","6","5","3","1") = "6"
    & skf18("5","1","7","6","5","4","1") = "6"
    & skf18("5","1","7","6","5","5","1") = "6"
    & skf18("5","1","7","6","5","6","1") = "6"
    & skf18("5","1","7","6","5","7","1") = "6"
    & skf18("5","1","7","6","5","8","1") = "7"
    & skf18("5","1","7","6","5","9","1") = "8"
    & skf18("5","1","7","6","5","10","1") = "9"
    & skf18("5","1","7","6","6","1","1") = "6"
    & skf18("5","1","7","6","6","2","1") = "6"
    & skf18("5","1","7","6","6","3","1") = "6"
    & skf18("5","1","7","6","6","4","1") = "6"
    & skf18("5","1","7","6","6","5","1") = "6"
    & skf18("5","1","7","6","6","6","1") = "6"
    & skf18("5","1","7","6","6","7","1") = "6"
    & skf18("5","1","7","6","6","8","1") = "7"
    & skf18("5","1","7","6","6","9","1") = "8"
    & skf18("5","1","7","6","6","10","1") = "9"
    & skf18("5","1","7","6","7","1","1") = "6"
    & skf18("5","1","7","6","7","2","1") = "6"
    & skf18("5","1","7","6","7","3","1") = "6"
    & skf18("5","1","7","6","7","4","1") = "6"
    & skf18("5","1","7","6","7","5","1") = "6"
    & skf18("5","1","7","6","7","6","1") = "6"
    & skf18("5","1","7","6","7","7","1") = "6"
    & skf18("5","1","7","6","7","8","1") = "7"
    & skf18("5","1","7","6","7","9","1") = "8"
    & skf18("5","1","7","6","7","10","1") = "9"
    & skf18("5","1","7","6","8","1","1") = "7"
    & skf18("5","1","7","6","8","2","1") = "7"
    & skf18("5","1","7","6","8","3","1") = "7"
    & skf18("5","1","7","6","8","4","1") = "7"
    & skf18("5","1","7","6","8","5","1") = "7"
    & skf18("5","1","7","6","8","6","1") = "7"
    & skf18("5","1","7","6","8","7","1") = "7"
    & skf18("5","1","7","6","8","8","1") = "7"
    & skf18("5","1","7","6","8","9","1") = "8"
    & skf18("5","1","7","6","8","10","1") = "9"
    & skf18("5","1","7","6","9","1","1") = "8"
    & skf18("5","1","7","6","9","2","1") = "8"
    & skf18("5","1","7","6","9","3","1") = "8"
    & skf18("5","1","7","6","9","4","1") = "8"
    & skf18("5","1","7","6","9","5","1") = "8"
    & skf18("5","1","7","6","9","6","1") = "8"
    & skf18("5","1","7","6","9","7","1") = "8"
    & skf18("5","1","7","6","9","8","1") = "8"
    & skf18("5","1","7","6","9","9","1") = "8"
    & skf18("5","1","7","6","9","10","1") = "9"
    & skf18("5","1","7","6","10","1","1") = "9"
    & skf18("5","1","7","6","10","2","1") = "9"
    & skf18("5","1","7","6","10","3","1") = "9"
    & skf18("5","1","7","6","10","4","1") = "9"
    & skf18("5","1","7","6","10","5","1") = "9"
    & skf18("5","1","7","6","10","6","1") = "9"
    & skf18("5","1","7","6","10","7","1") = "9"
    & skf18("5","1","7","6","10","8","1") = "9"
    & skf18("5","1","7","6","10","9","1") = "9"
    & skf18("5","1","7","6","10","10","1") = "9"
    & skf18("5","1","7","7","1","1","1") = "6"
    & skf18("5","1","7","7","1","2","1") = "6"
    & skf18("5","1","7","7","1","3","1") = "6"
    & skf18("5","1","7","7","1","4","1") = "6"
    & skf18("5","1","7","7","1","5","1") = "6"
    & skf18("5","1","7","7","1","6","1") = "6"
    & skf18("5","1","7","7","1","7","1") = "6"
    & skf18("5","1","7","7","1","8","1") = "7"
    & skf18("5","1","7","7","1","9","1") = "8"
    & skf18("5","1","7","7","1","10","1") = "9"
    & skf18("5","1","7","7","2","1","1") = "6"
    & skf18("5","1","7","7","2","2","1") = "6"
    & skf18("5","1","7","7","2","3","1") = "6"
    & skf18("5","1","7","7","2","4","1") = "6"
    & skf18("5","1","7","7","2","5","1") = "6"
    & skf18("5","1","7","7","2","6","1") = "6"
    & skf18("5","1","7","7","2","7","1") = "6"
    & skf18("5","1","7","7","2","8","1") = "7"
    & skf18("5","1","7","7","2","9","1") = "8"
    & skf18("5","1","7","7","2","10","1") = "9"
    & skf18("5","1","7","7","3","1","1") = "6"
    & skf18("5","1","7","7","3","2","1") = "6"
    & skf18("5","1","7","7","3","3","1") = "6"
    & skf18("5","1","7","7","3","4","1") = "6"
    & skf18("5","1","7","7","3","5","1") = "6"
    & skf18("5","1","7","7","3","6","1") = "6"
    & skf18("5","1","7","7","3","7","1") = "6"
    & skf18("5","1","7","7","3","8","1") = "7"
    & skf18("5","1","7","7","3","9","1") = "8"
    & skf18("5","1","7","7","3","10","1") = "9"
    & skf18("5","1","7","7","4","1","1") = "6"
    & skf18("5","1","7","7","4","2","1") = "6"
    & skf18("5","1","7","7","4","3","1") = "6"
    & skf18("5","1","7","7","4","4","1") = "6"
    & skf18("5","1","7","7","4","5","1") = "6"
    & skf18("5","1","7","7","4","6","1") = "6"
    & skf18("5","1","7","7","4","7","1") = "6"
    & skf18("5","1","7","7","4","8","1") = "7"
    & skf18("5","1","7","7","4","9","1") = "8"
    & skf18("5","1","7","7","4","10","1") = "9"
    & skf18("5","1","7","7","5","1","1") = "6"
    & skf18("5","1","7","7","5","2","1") = "6"
    & skf18("5","1","7","7","5","3","1") = "6"
    & skf18("5","1","7","7","5","4","1") = "6"
    & skf18("5","1","7","7","5","5","1") = "6"
    & skf18("5","1","7","7","5","6","1") = "6"
    & skf18("5","1","7","7","5","7","1") = "6"
    & skf18("5","1","7","7","5","8","1") = "7"
    & skf18("5","1","7","7","5","9","1") = "8"
    & skf18("5","1","7","7","5","10","1") = "9"
    & skf18("5","1","7","7","6","1","1") = "6"
    & skf18("5","1","7","7","6","2","1") = "6"
    & skf18("5","1","7","7","6","3","1") = "6"
    & skf18("5","1","7","7","6","4","1") = "6"
    & skf18("5","1","7","7","6","5","1") = "6"
    & skf18("5","1","7","7","6","6","1") = "6"
    & skf18("5","1","7","7","6","7","1") = "6"
    & skf18("5","1","7","7","6","8","1") = "7"
    & skf18("5","1","7","7","6","9","1") = "8"
    & skf18("5","1","7","7","6","10","1") = "9"
    & skf18("5","1","7","7","7","1","1") = "6"
    & skf18("5","1","7","7","7","2","1") = "6"
    & skf18("5","1","7","7","7","3","1") = "6"
    & skf18("5","1","7","7","7","4","1") = "6"
    & skf18("5","1","7","7","7","5","1") = "6"
    & skf18("5","1","7","7","7","6","1") = "6"
    & skf18("5","1","7","7","7","7","1") = "6"
    & skf18("5","1","7","7","7","8","1") = "7"
    & skf18("5","1","7","7","7","9","1") = "8"
    & skf18("5","1","7","7","7","10","1") = "9"
    & skf18("5","1","7","7","8","1","1") = "7"
    & skf18("5","1","7","7","8","2","1") = "7"
    & skf18("5","1","7","7","8","3","1") = "7"
    & skf18("5","1","7","7","8","4","1") = "7"
    & skf18("5","1","7","7","8","5","1") = "7"
    & skf18("5","1","7","7","8","6","1") = "7"
    & skf18("5","1","7","7","8","7","1") = "7"
    & skf18("5","1","7","7","8","8","1") = "7"
    & skf18("5","1","7","7","8","9","1") = "8"
    & skf18("5","1","7","7","8","10","1") = "9"
    & skf18("5","1","7","7","9","1","1") = "8"
    & skf18("5","1","7","7","9","2","1") = "8"
    & skf18("5","1","7","7","9","3","1") = "8"
    & skf18("5","1","7","7","9","4","1") = "8"
    & skf18("5","1","7","7","9","5","1") = "8"
    & skf18("5","1","7","7","9","6","1") = "8"
    & skf18("5","1","7","7","9","7","1") = "8"
    & skf18("5","1","7","7","9","8","1") = "8"
    & skf18("5","1","7","7","9","9","1") = "8"
    & skf18("5","1","7","7","9","10","1") = "9"
    & skf18("5","1","7","7","10","1","1") = "9"
    & skf18("5","1","7","7","10","2","1") = "9"
    & skf18("5","1","7","7","10","3","1") = "9"
    & skf18("5","1","7","7","10","4","1") = "9"
    & skf18("5","1","7","7","10","5","1") = "9"
    & skf18("5","1","7","7","10","6","1") = "9"
    & skf18("5","1","7","7","10","7","1") = "9"
    & skf18("5","1","7","7","10","8","1") = "9"
    & skf18("5","1","7","7","10","9","1") = "9"
    & skf18("5","1","7","7","10","10","1") = "9"
    & skf18("5","1","7","8","1","1","1") = "7"
    & skf18("5","1","7","8","1","2","1") = "7"
    & skf18("5","1","7","8","1","3","1") = "7"
    & skf18("5","1","7","8","1","4","1") = "7"
    & skf18("5","1","7","8","1","5","1") = "7"
    & skf18("5","1","7","8","1","6","1") = "7"
    & skf18("5","1","7","8","1","7","1") = "7"
    & skf18("5","1","7","8","1","8","1") = "7"
    & skf18("5","1","7","8","1","9","1") = "8"
    & skf18("5","1","7","8","1","10","1") = "9"
    & skf18("5","1","7","8","2","1","1") = "7"
    & skf18("5","1","7","8","2","2","1") = "7"
    & skf18("5","1","7","8","2","3","1") = "7"
    & skf18("5","1","7","8","2","4","1") = "7"
    & skf18("5","1","7","8","2","5","1") = "7"
    & skf18("5","1","7","8","2","6","1") = "7"
    & skf18("5","1","7","8","2","7","1") = "7"
    & skf18("5","1","7","8","2","8","1") = "7"
    & skf18("5","1","7","8","2","9","1") = "8"
    & skf18("5","1","7","8","2","10","1") = "9"
    & skf18("5","1","7","8","3","1","1") = "7"
    & skf18("5","1","7","8","3","2","1") = "7"
    & skf18("5","1","7","8","3","3","1") = "7"
    & skf18("5","1","7","8","3","4","1") = "7"
    & skf18("5","1","7","8","3","5","1") = "7"
    & skf18("5","1","7","8","3","6","1") = "7"
    & skf18("5","1","7","8","3","7","1") = "7"
    & skf18("5","1","7","8","3","8","1") = "7"
    & skf18("5","1","7","8","3","9","1") = "8"
    & skf18("5","1","7","8","3","10","1") = "9"
    & skf18("5","1","7","8","4","1","1") = "7"
    & skf18("5","1","7","8","4","2","1") = "7"
    & skf18("5","1","7","8","4","3","1") = "7"
    & skf18("5","1","7","8","4","4","1") = "7"
    & skf18("5","1","7","8","4","5","1") = "7"
    & skf18("5","1","7","8","4","6","1") = "7"
    & skf18("5","1","7","8","4","7","1") = "7"
    & skf18("5","1","7","8","4","8","1") = "7"
    & skf18("5","1","7","8","4","9","1") = "8"
    & skf18("5","1","7","8","4","10","1") = "9"
    & skf18("5","1","7","8","5","1","1") = "7"
    & skf18("5","1","7","8","5","2","1") = "7"
    & skf18("5","1","7","8","5","3","1") = "7"
    & skf18("5","1","7","8","5","4","1") = "7"
    & skf18("5","1","7","8","5","5","1") = "7"
    & skf18("5","1","7","8","5","6","1") = "7"
    & skf18("5","1","7","8","5","7","1") = "7"
    & skf18("5","1","7","8","5","8","1") = "7"
    & skf18("5","1","7","8","5","9","1") = "8"
    & skf18("5","1","7","8","5","10","1") = "9"
    & skf18("5","1","7","8","6","1","1") = "7"
    & skf18("5","1","7","8","6","2","1") = "7"
    & skf18("5","1","7","8","6","3","1") = "7"
    & skf18("5","1","7","8","6","4","1") = "7"
    & skf18("5","1","7","8","6","5","1") = "7"
    & skf18("5","1","7","8","6","6","1") = "7"
    & skf18("5","1","7","8","6","7","1") = "7"
    & skf18("5","1","7","8","6","8","1") = "7"
    & skf18("5","1","7","8","6","9","1") = "8"
    & skf18("5","1","7","8","6","10","1") = "9"
    & skf18("5","1","7","8","7","1","1") = "7"
    & skf18("5","1","7","8","7","2","1") = "7"
    & skf18("5","1","7","8","7","3","1") = "7"
    & skf18("5","1","7","8","7","4","1") = "7"
    & skf18("5","1","7","8","7","5","1") = "7"
    & skf18("5","1","7","8","7","6","1") = "7"
    & skf18("5","1","7","8","7","7","1") = "7"
    & skf18("5","1","7","8","7","8","1") = "7"
    & skf18("5","1","7","8","7","9","1") = "8"
    & skf18("5","1","7","8","7","10","1") = "9"
    & skf18("5","1","7","8","8","1","1") = "7"
    & skf18("5","1","7","8","8","2","1") = "7"
    & skf18("5","1","7","8","8","3","1") = "7"
    & skf18("5","1","7","8","8","4","1") = "7"
    & skf18("5","1","7","8","8","5","1") = "7"
    & skf18("5","1","7","8","8","6","1") = "7"
    & skf18("5","1","7","8","8","7","1") = "7"
    & skf18("5","1","7","8","8","8","1") = "7"
    & skf18("5","1","7","8","8","9","1") = "8"
    & skf18("5","1","7","8","8","10","1") = "9"
    & skf18("5","1","7","8","9","1","1") = "8"
    & skf18("5","1","7","8","9","2","1") = "8"
    & skf18("5","1","7","8","9","3","1") = "8"
    & skf18("5","1","7","8","9","4","1") = "8"
    & skf18("5","1","7","8","9","5","1") = "8"
    & skf18("5","1","7","8","9","6","1") = "8"
    & skf18("5","1","7","8","9","7","1") = "8"
    & skf18("5","1","7","8","9","8","1") = "8"
    & skf18("5","1","7","8","9","9","1") = "8"
    & skf18("5","1","7","8","9","10","1") = "9"
    & skf18("5","1","7","8","10","1","1") = "9"
    & skf18("5","1","7","8","10","2","1") = "9"
    & skf18("5","1","7","8","10","3","1") = "9"
    & skf18("5","1","7","8","10","4","1") = "9"
    & skf18("5","1","7","8","10","5","1") = "9"
    & skf18("5","1","7","8","10","6","1") = "9"
    & skf18("5","1","7","8","10","7","1") = "9"
    & skf18("5","1","7","8","10","8","1") = "9"
    & skf18("5","1","7","8","10","9","1") = "9"
    & skf18("5","1","7","8","10","10","1") = "9"
    & skf18("5","1","7","9","1","1","1") = "8"
    & skf18("5","1","7","9","1","2","1") = "8"
    & skf18("5","1","7","9","1","3","1") = "8"
    & skf18("5","1","7","9","1","4","1") = "8"
    & skf18("5","1","7","9","1","5","1") = "8"
    & skf18("5","1","7","9","1","6","1") = "8"
    & skf18("5","1","7","9","1","7","1") = "8"
    & skf18("5","1","7","9","1","8","1") = "8"
    & skf18("5","1","7","9","1","9","1") = "8"
    & skf18("5","1","7","9","1","10","1") = "9"
    & skf18("5","1","7","9","2","1","1") = "8"
    & skf18("5","1","7","9","2","2","1") = "8"
    & skf18("5","1","7","9","2","3","1") = "8"
    & skf18("5","1","7","9","2","4","1") = "8"
    & skf18("5","1","7","9","2","5","1") = "8"
    & skf18("5","1","7","9","2","6","1") = "8"
    & skf18("5","1","7","9","2","7","1") = "8"
    & skf18("5","1","7","9","2","8","1") = "8"
    & skf18("5","1","7","9","2","9","1") = "8"
    & skf18("5","1","7","9","2","10","1") = "9"
    & skf18("5","1","7","9","3","1","1") = "8"
    & skf18("5","1","7","9","3","2","1") = "8"
    & skf18("5","1","7","9","3","3","1") = "8"
    & skf18("5","1","7","9","3","4","1") = "8"
    & skf18("5","1","7","9","3","5","1") = "8"
    & skf18("5","1","7","9","3","6","1") = "8"
    & skf18("5","1","7","9","3","7","1") = "8"
    & skf18("5","1","7","9","3","8","1") = "8"
    & skf18("5","1","7","9","3","9","1") = "8"
    & skf18("5","1","7","9","3","10","1") = "9"
    & skf18("5","1","7","9","4","1","1") = "8"
    & skf18("5","1","7","9","4","2","1") = "8"
    & skf18("5","1","7","9","4","3","1") = "8"
    & skf18("5","1","7","9","4","4","1") = "8"
    & skf18("5","1","7","9","4","5","1") = "8"
    & skf18("5","1","7","9","4","6","1") = "8"
    & skf18("5","1","7","9","4","7","1") = "8"
    & skf18("5","1","7","9","4","8","1") = "8"
    & skf18("5","1","7","9","4","9","1") = "8"
    & skf18("5","1","7","9","4","10","1") = "9"
    & skf18("5","1","7","9","5","1","1") = "8"
    & skf18("5","1","7","9","5","2","1") = "8"
    & skf18("5","1","7","9","5","3","1") = "8"
    & skf18("5","1","7","9","5","4","1") = "8"
    & skf18("5","1","7","9","5","5","1") = "8"
    & skf18("5","1","7","9","5","6","1") = "8"
    & skf18("5","1","7","9","5","7","1") = "8"
    & skf18("5","1","7","9","5","8","1") = "8"
    & skf18("5","1","7","9","5","9","1") = "8"
    & skf18("5","1","7","9","5","10","1") = "9"
    & skf18("5","1","7","9","6","1","1") = "8"
    & skf18("5","1","7","9","6","2","1") = "8"
    & skf18("5","1","7","9","6","3","1") = "8"
    & skf18("5","1","7","9","6","4","1") = "8"
    & skf18("5","1","7","9","6","5","1") = "8"
    & skf18("5","1","7","9","6","6","1") = "8"
    & skf18("5","1","7","9","6","7","1") = "8"
    & skf18("5","1","7","9","6","8","1") = "8"
    & skf18("5","1","7","9","6","9","1") = "8"
    & skf18("5","1","7","9","6","10","1") = "9"
    & skf18("5","1","7","9","7","1","1") = "8"
    & skf18("5","1","7","9","7","2","1") = "8"
    & skf18("5","1","7","9","7","3","1") = "8"
    & skf18("5","1","7","9","7","4","1") = "8"
    & skf18("5","1","7","9","7","5","1") = "8"
    & skf18("5","1","7","9","7","6","1") = "8"
    & skf18("5","1","7","9","7","7","1") = "8"
    & skf18("5","1","7","9","7","8","1") = "8"
    & skf18("5","1","7","9","7","9","1") = "8"
    & skf18("5","1","7","9","7","10","1") = "9"
    & skf18("5","1","7","9","8","1","1") = "8"
    & skf18("5","1","7","9","8","2","1") = "8"
    & skf18("5","1","7","9","8","3","1") = "8"
    & skf18("5","1","7","9","8","4","1") = "8"
    & skf18("5","1","7","9","8","5","1") = "8"
    & skf18("5","1","7","9","8","6","1") = "8"
    & skf18("5","1","7","9","8","7","1") = "8"
    & skf18("5","1","7","9","8","8","1") = "8"
    & skf18("5","1","7","9","8","9","1") = "8"
    & skf18("5","1","7","9","8","10","1") = "9"
    & skf18("5","1","7","9","9","1","1") = "8"
    & skf18("5","1","7","9","9","2","1") = "8"
    & skf18("5","1","7","9","9","3","1") = "8"
    & skf18("5","1","7","9","9","4","1") = "8"
    & skf18("5","1","7","9","9","5","1") = "8"
    & skf18("5","1","7","9","9","6","1") = "8"
    & skf18("5","1","7","9","9","7","1") = "8"
    & skf18("5","1","7","9","9","8","1") = "8"
    & skf18("5","1","7","9","9","9","1") = "8"
    & skf18("5","1","7","9","9","10","1") = "9"
    & skf18("5","1","7","9","10","1","1") = "9"
    & skf18("5","1","7","9","10","2","1") = "9"
    & skf18("5","1","7","9","10","3","1") = "9"
    & skf18("5","1","7","9","10","4","1") = "9"
    & skf18("5","1","7","9","10","5","1") = "9"
    & skf18("5","1","7","9","10","6","1") = "9"
    & skf18("5","1","7","9","10","7","1") = "9"
    & skf18("5","1","7","9","10","8","1") = "9"
    & skf18("5","1","7","9","10","9","1") = "9"
    & skf18("5","1","7","9","10","10","1") = "9"
    & skf18("5","1","7","10","1","1","1") = "9"
    & skf18("5","1","7","10","1","2","1") = "9"
    & skf18("5","1","7","10","1","3","1") = "9"
    & skf18("5","1","7","10","1","4","1") = "9"
    & skf18("5","1","7","10","1","5","1") = "9"
    & skf18("5","1","7","10","1","6","1") = "9"
    & skf18("5","1","7","10","1","7","1") = "9"
    & skf18("5","1","7","10","1","8","1") = "9"
    & skf18("5","1","7","10","1","9","1") = "9"
    & skf18("5","1","7","10","1","10","1") = "9"
    & skf18("5","1","7","10","2","1","1") = "9"
    & skf18("5","1","7","10","2","2","1") = "9"
    & skf18("5","1","7","10","2","3","1") = "9"
    & skf18("5","1","7","10","2","4","1") = "9"
    & skf18("5","1","7","10","2","5","1") = "9"
    & skf18("5","1","7","10","2","6","1") = "9"
    & skf18("5","1","7","10","2","7","1") = "9"
    & skf18("5","1","7","10","2","8","1") = "9"
    & skf18("5","1","7","10","2","9","1") = "9"
    & skf18("5","1","7","10","2","10","1") = "9"
    & skf18("5","1","7","10","3","1","1") = "9"
    & skf18("5","1","7","10","3","2","1") = "9"
    & skf18("5","1","7","10","3","3","1") = "9"
    & skf18("5","1","7","10","3","4","1") = "9"
    & skf18("5","1","7","10","3","5","1") = "9"
    & skf18("5","1","7","10","3","6","1") = "9"
    & skf18("5","1","7","10","3","7","1") = "9"
    & skf18("5","1","7","10","3","8","1") = "9"
    & skf18("5","1","7","10","3","9","1") = "9"
    & skf18("5","1","7","10","3","10","1") = "9"
    & skf18("5","1","7","10","4","1","1") = "9"
    & skf18("5","1","7","10","4","2","1") = "9"
    & skf18("5","1","7","10","4","3","1") = "9"
    & skf18("5","1","7","10","4","4","1") = "9"
    & skf18("5","1","7","10","4","5","1") = "9"
    & skf18("5","1","7","10","4","6","1") = "9"
    & skf18("5","1","7","10","4","7","1") = "9"
    & skf18("5","1","7","10","4","8","1") = "9"
    & skf18("5","1","7","10","4","9","1") = "9"
    & skf18("5","1","7","10","4","10","1") = "9"
    & skf18("5","1","7","10","5","1","1") = "9"
    & skf18("5","1","7","10","5","2","1") = "9"
    & skf18("5","1","7","10","5","3","1") = "9"
    & skf18("5","1","7","10","5","4","1") = "9"
    & skf18("5","1","7","10","5","5","1") = "9"
    & skf18("5","1","7","10","5","6","1") = "9"
    & skf18("5","1","7","10","5","7","1") = "9"
    & skf18("5","1","7","10","5","8","1") = "9"
    & skf18("5","1","7","10","5","9","1") = "9"
    & skf18("5","1","7","10","5","10","1") = "9"
    & skf18("5","1","7","10","6","1","1") = "9"
    & skf18("5","1","7","10","6","2","1") = "9"
    & skf18("5","1","7","10","6","3","1") = "9"
    & skf18("5","1","7","10","6","4","1") = "9"
    & skf18("5","1","7","10","6","5","1") = "9"
    & skf18("5","1","7","10","6","6","1") = "9"
    & skf18("5","1","7","10","6","7","1") = "9"
    & skf18("5","1","7","10","6","8","1") = "9"
    & skf18("5","1","7","10","6","9","1") = "9"
    & skf18("5","1","7","10","6","10","1") = "9"
    & skf18("5","1","7","10","7","1","1") = "9"
    & skf18("5","1","7","10","7","2","1") = "9"
    & skf18("5","1","7","10","7","3","1") = "9"
    & skf18("5","1","7","10","7","4","1") = "9"
    & skf18("5","1","7","10","7","5","1") = "9"
    & skf18("5","1","7","10","7","6","1") = "9"
    & skf18("5","1","7","10","7","7","1") = "9"
    & skf18("5","1","7","10","7","8","1") = "9"
    & skf18("5","1","7","10","7","9","1") = "9"
    & skf18("5","1","7","10","7","10","1") = "9"
    & skf18("5","1","7","10","8","1","1") = "9"
    & skf18("5","1","7","10","8","2","1") = "9"
    & skf18("5","1","7","10","8","3","1") = "9"
    & skf18("5","1","7","10","8","4","1") = "9"
    & skf18("5","1","7","10","8","5","1") = "9"
    & skf18("5","1","7","10","8","6","1") = "9"
    & skf18("5","1","7","10","8","7","1") = "9"
    & skf18("5","1","7","10","8","8","1") = "9"
    & skf18("5","1","7","10","8","9","1") = "9"
    & skf18("5","1","7","10","8","10","1") = "9"
    & skf18("5","1","7","10","9","1","1") = "9"
    & skf18("5","1","7","10","9","2","1") = "9"
    & skf18("5","1","7","10","9","3","1") = "9"
    & skf18("5","1","7","10","9","4","1") = "9"
    & skf18("5","1","7","10","9","5","1") = "9"
    & skf18("5","1","7","10","9","6","1") = "9"
    & skf18("5","1","7","10","9","7","1") = "9"
    & skf18("5","1","7","10","9","8","1") = "9"
    & skf18("5","1","7","10","9","9","1") = "9"
    & skf18("5","1","7","10","9","10","1") = "9"
    & skf18("5","1","7","10","10","1","1") = "9"
    & skf18("5","1","7","10","10","2","1") = "9"
    & skf18("5","1","7","10","10","3","1") = "9"
    & skf18("5","1","7","10","10","4","1") = "9"
    & skf18("5","1","7","10","10","5","1") = "9"
    & skf18("5","1","7","10","10","6","1") = "9"
    & skf18("5","1","7","10","10","7","1") = "9"
    & skf18("5","1","7","10","10","8","1") = "9"
    & skf18("5","1","7","10","10","9","1") = "9"
    & skf18("5","1","7","10","10","10","1") = "9"
    & skf18("5","1","8","1","1","1","1") = "7"
    & skf18("5","1","8","1","1","2","1") = "7"
    & skf18("5","1","8","1","1","3","1") = "7"
    & skf18("5","1","8","1","1","4","1") = "7"
    & skf18("5","1","8","1","1","5","1") = "7"
    & skf18("5","1","8","1","1","6","1") = "7"
    & skf18("5","1","8","1","1","7","1") = "7"
    & skf18("5","1","8","1","1","8","1") = "7"
    & skf18("5","1","8","1","1","9","1") = "8"
    & skf18("5","1","8","1","1","10","1") = "9"
    & skf18("5","1","8","1","2","1","1") = "7"
    & skf18("5","1","8","1","2","2","1") = "7"
    & skf18("5","1","8","1","2","3","1") = "7"
    & skf18("5","1","8","1","2","4","1") = "7"
    & skf18("5","1","8","1","2","5","1") = "7"
    & skf18("5","1","8","1","2","6","1") = "7"
    & skf18("5","1","8","1","2","7","1") = "7"
    & skf18("5","1","8","1","2","8","1") = "7"
    & skf18("5","1","8","1","2","9","1") = "8"
    & skf18("5","1","8","1","2","10","1") = "9"
    & skf18("5","1","8","1","3","1","1") = "7"
    & skf18("5","1","8","1","3","2","1") = "7"
    & skf18("5","1","8","1","3","3","1") = "7"
    & skf18("5","1","8","1","3","4","1") = "7"
    & skf18("5","1","8","1","3","5","1") = "7"
    & skf18("5","1","8","1","3","6","1") = "7"
    & skf18("5","1","8","1","3","7","1") = "7"
    & skf18("5","1","8","1","3","8","1") = "7"
    & skf18("5","1","8","1","3","9","1") = "8"
    & skf18("5","1","8","1","3","10","1") = "9"
    & skf18("5","1","8","1","4","1","1") = "7"
    & skf18("5","1","8","1","4","2","1") = "7"
    & skf18("5","1","8","1","4","3","1") = "7"
    & skf18("5","1","8","1","4","4","1") = "7"
    & skf18("5","1","8","1","4","5","1") = "7"
    & skf18("5","1","8","1","4","6","1") = "7"
    & skf18("5","1","8","1","4","7","1") = "7"
    & skf18("5","1","8","1","4","8","1") = "7"
    & skf18("5","1","8","1","4","9","1") = "8"
    & skf18("5","1","8","1","4","10","1") = "9"
    & skf18("5","1","8","1","5","1","1") = "7"
    & skf18("5","1","8","1","5","2","1") = "7"
    & skf18("5","1","8","1","5","3","1") = "7"
    & skf18("5","1","8","1","5","4","1") = "7"
    & skf18("5","1","8","1","5","5","1") = "7"
    & skf18("5","1","8","1","5","6","1") = "7"
    & skf18("5","1","8","1","5","7","1") = "7"
    & skf18("5","1","8","1","5","8","1") = "7"
    & skf18("5","1","8","1","5","9","1") = "8"
    & skf18("5","1","8","1","5","10","1") = "9"
    & skf18("5","1","8","1","6","1","1") = "7"
    & skf18("5","1","8","1","6","2","1") = "7"
    & skf18("5","1","8","1","6","3","1") = "7"
    & skf18("5","1","8","1","6","4","1") = "7"
    & skf18("5","1","8","1","6","5","1") = "7"
    & skf18("5","1","8","1","6","6","1") = "7"
    & skf18("5","1","8","1","6","7","1") = "7"
    & skf18("5","1","8","1","6","8","1") = "7"
    & skf18("5","1","8","1","6","9","1") = "8"
    & skf18("5","1","8","1","6","10","1") = "9"
    & skf18("5","1","8","1","7","1","1") = "7"
    & skf18("5","1","8","1","7","2","1") = "7"
    & skf18("5","1","8","1","7","3","1") = "7"
    & skf18("5","1","8","1","7","4","1") = "7"
    & skf18("5","1","8","1","7","5","1") = "7"
    & skf18("5","1","8","1","7","6","1") = "7"
    & skf18("5","1","8","1","7","7","1") = "7"
    & skf18("5","1","8","1","7","8","1") = "7"
    & skf18("5","1","8","1","7","9","1") = "8"
    & skf18("5","1","8","1","7","10","1") = "9"
    & skf18("5","1","8","1","8","1","1") = "7"
    & skf18("5","1","8","1","8","2","1") = "7"
    & skf18("5","1","8","1","8","3","1") = "7"
    & skf18("5","1","8","1","8","4","1") = "7"
    & skf18("5","1","8","1","8","5","1") = "7"
    & skf18("5","1","8","1","8","6","1") = "7"
    & skf18("5","1","8","1","8","7","1") = "7"
    & skf18("5","1","8","1","8","8","1") = "7"
    & skf18("5","1","8","1","8","9","1") = "8"
    & skf18("5","1","8","1","8","10","1") = "9"
    & skf18("5","1","8","1","9","1","1") = "8"
    & skf18("5","1","8","1","9","2","1") = "8"
    & skf18("5","1","8","1","9","3","1") = "8"
    & skf18("5","1","8","1","9","4","1") = "8"
    & skf18("5","1","8","1","9","5","1") = "8"
    & skf18("5","1","8","1","9","6","1") = "8"
    & skf18("5","1","8","1","9","7","1") = "8"
    & skf18("5","1","8","1","9","8","1") = "8"
    & skf18("5","1","8","1","9","9","1") = "8"
    & skf18("5","1","8","1","9","10","1") = "9"
    & skf18("5","1","8","1","10","1","1") = "9"
    & skf18("5","1","8","1","10","2","1") = "9"
    & skf18("5","1","8","1","10","3","1") = "9"
    & skf18("5","1","8","1","10","4","1") = "9"
    & skf18("5","1","8","1","10","5","1") = "9"
    & skf18("5","1","8","1","10","6","1") = "9"
    & skf18("5","1","8","1","10","7","1") = "9"
    & skf18("5","1","8","1","10","8","1") = "9"
    & skf18("5","1","8","1","10","9","1") = "9"
    & skf18("5","1","8","1","10","10","1") = "9"
    & skf18("5","1","8","2","1","1","1") = "7"
    & skf18("5","1","8","2","1","2","1") = "7"
    & skf18("5","1","8","2","1","3","1") = "7"
    & skf18("5","1","8","2","1","4","1") = "7"
    & skf18("5","1","8","2","1","5","1") = "7"
    & skf18("5","1","8","2","1","6","1") = "7"
    & skf18("5","1","8","2","1","7","1") = "7"
    & skf18("5","1","8","2","1","8","1") = "7"
    & skf18("5","1","8","2","1","9","1") = "8"
    & skf18("5","1","8","2","1","10","1") = "9"
    & skf18("5","1","8","2","2","1","1") = "7"
    & skf18("5","1","8","2","2","2","1") = "7"
    & skf18("5","1","8","2","2","3","1") = "7"
    & skf18("5","1","8","2","2","4","1") = "7"
    & skf18("5","1","8","2","2","5","1") = "7"
    & skf18("5","1","8","2","2","6","1") = "7"
    & skf18("5","1","8","2","2","7","1") = "7"
    & skf18("5","1","8","2","2","8","1") = "7"
    & skf18("5","1","8","2","2","9","1") = "8"
    & skf18("5","1","8","2","2","10","1") = "9"
    & skf18("5","1","8","2","3","1","1") = "7"
    & skf18("5","1","8","2","3","2","1") = "7"
    & skf18("5","1","8","2","3","3","1") = "7"
    & skf18("5","1","8","2","3","4","1") = "7"
    & skf18("5","1","8","2","3","5","1") = "7"
    & skf18("5","1","8","2","3","6","1") = "7"
    & skf18("5","1","8","2","3","7","1") = "7"
    & skf18("5","1","8","2","3","8","1") = "7"
    & skf18("5","1","8","2","3","9","1") = "8"
    & skf18("5","1","8","2","3","10","1") = "9"
    & skf18("5","1","8","2","4","1","1") = "7"
    & skf18("5","1","8","2","4","2","1") = "7"
    & skf18("5","1","8","2","4","3","1") = "7"
    & skf18("5","1","8","2","4","4","1") = "7"
    & skf18("5","1","8","2","4","5","1") = "7"
    & skf18("5","1","8","2","4","6","1") = "7"
    & skf18("5","1","8","2","4","7","1") = "7"
    & skf18("5","1","8","2","4","8","1") = "7"
    & skf18("5","1","8","2","4","9","1") = "8"
    & skf18("5","1","8","2","4","10","1") = "9"
    & skf18("5","1","8","2","5","1","1") = "7"
    & skf18("5","1","8","2","5","2","1") = "7"
    & skf18("5","1","8","2","5","3","1") = "7"
    & skf18("5","1","8","2","5","4","1") = "7"
    & skf18("5","1","8","2","5","5","1") = "7"
    & skf18("5","1","8","2","5","6","1") = "7"
    & skf18("5","1","8","2","5","7","1") = "7"
    & skf18("5","1","8","2","5","8","1") = "7"
    & skf18("5","1","8","2","5","9","1") = "8"
    & skf18("5","1","8","2","5","10","1") = "9"
    & skf18("5","1","8","2","6","1","1") = "7"
    & skf18("5","1","8","2","6","2","1") = "7"
    & skf18("5","1","8","2","6","3","1") = "7"
    & skf18("5","1","8","2","6","4","1") = "7"
    & skf18("5","1","8","2","6","5","1") = "7"
    & skf18("5","1","8","2","6","6","1") = "7"
    & skf18("5","1","8","2","6","7","1") = "7"
    & skf18("5","1","8","2","6","8","1") = "7"
    & skf18("5","1","8","2","6","9","1") = "8"
    & skf18("5","1","8","2","6","10","1") = "9"
    & skf18("5","1","8","2","7","1","1") = "7"
    & skf18("5","1","8","2","7","2","1") = "7"
    & skf18("5","1","8","2","7","3","1") = "7"
    & skf18("5","1","8","2","7","4","1") = "7"
    & skf18("5","1","8","2","7","5","1") = "7"
    & skf18("5","1","8","2","7","6","1") = "7"
    & skf18("5","1","8","2","7","7","1") = "7"
    & skf18("5","1","8","2","7","8","1") = "7"
    & skf18("5","1","8","2","7","9","1") = "8"
    & skf18("5","1","8","2","7","10","1") = "9"
    & skf18("5","1","8","2","8","1","1") = "7"
    & skf18("5","1","8","2","8","2","1") = "7"
    & skf18("5","1","8","2","8","3","1") = "7"
    & skf18("5","1","8","2","8","4","1") = "7"
    & skf18("5","1","8","2","8","5","1") = "7"
    & skf18("5","1","8","2","8","6","1") = "7"
    & skf18("5","1","8","2","8","7","1") = "7"
    & skf18("5","1","8","2","8","8","1") = "7"
    & skf18("5","1","8","2","8","9","1") = "8"
    & skf18("5","1","8","2","8","10","1") = "9"
    & skf18("5","1","8","2","9","1","1") = "8"
    & skf18("5","1","8","2","9","2","1") = "8"
    & skf18("5","1","8","2","9","3","1") = "8"
    & skf18("5","1","8","2","9","4","1") = "8"
    & skf18("5","1","8","2","9","5","1") = "8"
    & skf18("5","1","8","2","9","6","1") = "8"
    & skf18("5","1","8","2","9","7","1") = "8"
    & skf18("5","1","8","2","9","8","1") = "8"
    & skf18("5","1","8","2","9","9","1") = "8"
    & skf18("5","1","8","2","9","10","1") = "9"
    & skf18("5","1","8","2","10","1","1") = "9"
    & skf18("5","1","8","2","10","2","1") = "9"
    & skf18("5","1","8","2","10","3","1") = "9"
    & skf18("5","1","8","2","10","4","1") = "9"
    & skf18("5","1","8","2","10","5","1") = "9"
    & skf18("5","1","8","2","10","6","1") = "9"
    & skf18("5","1","8","2","10","7","1") = "9"
    & skf18("5","1","8","2","10","8","1") = "9"
    & skf18("5","1","8","2","10","9","1") = "9"
    & skf18("5","1","8","2","10","10","1") = "9"
    & skf18("5","1","8","3","1","1","1") = "7"
    & skf18("5","1","8","3","1","2","1") = "7"
    & skf18("5","1","8","3","1","3","1") = "7"
    & skf18("5","1","8","3","1","4","1") = "7"
    & skf18("5","1","8","3","1","5","1") = "7"
    & skf18("5","1","8","3","1","6","1") = "7"
    & skf18("5","1","8","3","1","7","1") = "7"
    & skf18("5","1","8","3","1","8","1") = "7"
    & skf18("5","1","8","3","1","9","1") = "8"
    & skf18("5","1","8","3","1","10","1") = "9"
    & skf18("5","1","8","3","2","1","1") = "7"
    & skf18("5","1","8","3","2","2","1") = "7"
    & skf18("5","1","8","3","2","3","1") = "7"
    & skf18("5","1","8","3","2","4","1") = "7"
    & skf18("5","1","8","3","2","5","1") = "7"
    & skf18("5","1","8","3","2","6","1") = "7"
    & skf18("5","1","8","3","2","7","1") = "7"
    & skf18("5","1","8","3","2","8","1") = "7"
    & skf18("5","1","8","3","2","9","1") = "8"
    & skf18("5","1","8","3","2","10","1") = "9"
    & skf18("5","1","8","3","3","1","1") = "7"
    & skf18("5","1","8","3","3","2","1") = "7"
    & skf18("5","1","8","3","3","3","1") = "7"
    & skf18("5","1","8","3","3","4","1") = "7"
    & skf18("5","1","8","3","3","5","1") = "7"
    & skf18("5","1","8","3","3","6","1") = "7"
    & skf18("5","1","8","3","3","7","1") = "7"
    & skf18("5","1","8","3","3","8","1") = "7"
    & skf18("5","1","8","3","3","9","1") = "8"
    & skf18("5","1","8","3","3","10","1") = "9"
    & skf18("5","1","8","3","4","1","1") = "7"
    & skf18("5","1","8","3","4","2","1") = "7"
    & skf18("5","1","8","3","4","3","1") = "7"
    & skf18("5","1","8","3","4","4","1") = "7"
    & skf18("5","1","8","3","4","5","1") = "7"
    & skf18("5","1","8","3","4","6","1") = "7"
    & skf18("5","1","8","3","4","7","1") = "7"
    & skf18("5","1","8","3","4","8","1") = "7"
    & skf18("5","1","8","3","4","9","1") = "8"
    & skf18("5","1","8","3","4","10","1") = "9"
    & skf18("5","1","8","3","5","1","1") = "7"
    & skf18("5","1","8","3","5","2","1") = "7"
    & skf18("5","1","8","3","5","3","1") = "7"
    & skf18("5","1","8","3","5","4","1") = "7"
    & skf18("5","1","8","3","5","5","1") = "7"
    & skf18("5","1","8","3","5","6","1") = "7"
    & skf18("5","1","8","3","5","7","1") = "7"
    & skf18("5","1","8","3","5","8","1") = "7"
    & skf18("5","1","8","3","5","9","1") = "8"
    & skf18("5","1","8","3","5","10","1") = "9"
    & skf18("5","1","8","3","6","1","1") = "7"
    & skf18("5","1","8","3","6","2","1") = "7"
    & skf18("5","1","8","3","6","3","1") = "7"
    & skf18("5","1","8","3","6","4","1") = "7"
    & skf18("5","1","8","3","6","5","1") = "7"
    & skf18("5","1","8","3","6","6","1") = "7"
    & skf18("5","1","8","3","6","7","1") = "7"
    & skf18("5","1","8","3","6","8","1") = "7"
    & skf18("5","1","8","3","6","9","1") = "8"
    & skf18("5","1","8","3","6","10","1") = "9"
    & skf18("5","1","8","3","7","1","1") = "7"
    & skf18("5","1","8","3","7","2","1") = "7"
    & skf18("5","1","8","3","7","3","1") = "7"
    & skf18("5","1","8","3","7","4","1") = "7"
    & skf18("5","1","8","3","7","5","1") = "7"
    & skf18("5","1","8","3","7","6","1") = "7"
    & skf18("5","1","8","3","7","7","1") = "7"
    & skf18("5","1","8","3","7","8","1") = "7"
    & skf18("5","1","8","3","7","9","1") = "8"
    & skf18("5","1","8","3","7","10","1") = "9"
    & skf18("5","1","8","3","8","1","1") = "7"
    & skf18("5","1","8","3","8","2","1") = "7"
    & skf18("5","1","8","3","8","3","1") = "7"
    & skf18("5","1","8","3","8","4","1") = "7"
    & skf18("5","1","8","3","8","5","1") = "7"
    & skf18("5","1","8","3","8","6","1") = "7"
    & skf18("5","1","8","3","8","7","1") = "7"
    & skf18("5","1","8","3","8","8","1") = "7"
    & skf18("5","1","8","3","8","9","1") = "8"
    & skf18("5","1","8","3","8","10","1") = "9"
    & skf18("5","1","8","3","9","1","1") = "8"
    & skf18("5","1","8","3","9","2","1") = "8"
    & skf18("5","1","8","3","9","3","1") = "8"
    & skf18("5","1","8","3","9","4","1") = "8"
    & skf18("5","1","8","3","9","5","1") = "8"
    & skf18("5","1","8","3","9","6","1") = "8"
    & skf18("5","1","8","3","9","7","1") = "8"
    & skf18("5","1","8","3","9","8","1") = "8"
    & skf18("5","1","8","3","9","9","1") = "8"
    & skf18("5","1","8","3","9","10","1") = "9"
    & skf18("5","1","8","3","10","1","1") = "9"
    & skf18("5","1","8","3","10","2","1") = "9"
    & skf18("5","1","8","3","10","3","1") = "9"
    & skf18("5","1","8","3","10","4","1") = "9"
    & skf18("5","1","8","3","10","5","1") = "9"
    & skf18("5","1","8","3","10","6","1") = "9"
    & skf18("5","1","8","3","10","7","1") = "9"
    & skf18("5","1","8","3","10","8","1") = "9"
    & skf18("5","1","8","3","10","9","1") = "9"
    & skf18("5","1","8","3","10","10","1") = "9"
    & skf18("5","1","8","4","1","1","1") = "7"
    & skf18("5","1","8","4","1","2","1") = "7"
    & skf18("5","1","8","4","1","3","1") = "7"
    & skf18("5","1","8","4","1","4","1") = "7"
    & skf18("5","1","8","4","1","5","1") = "7"
    & skf18("5","1","8","4","1","6","1") = "7"
    & skf18("5","1","8","4","1","7","1") = "7"
    & skf18("5","1","8","4","1","8","1") = "7"
    & skf18("5","1","8","4","1","9","1") = "8"
    & skf18("5","1","8","4","1","10","1") = "9"
    & skf18("5","1","8","4","2","1","1") = "7"
    & skf18("5","1","8","4","2","2","1") = "7"
    & skf18("5","1","8","4","2","3","1") = "7"
    & skf18("5","1","8","4","2","4","1") = "7"
    & skf18("5","1","8","4","2","5","1") = "7"
    & skf18("5","1","8","4","2","6","1") = "7"
    & skf18("5","1","8","4","2","7","1") = "7"
    & skf18("5","1","8","4","2","8","1") = "7"
    & skf18("5","1","8","4","2","9","1") = "8"
    & skf18("5","1","8","4","2","10","1") = "9"
    & skf18("5","1","8","4","3","1","1") = "7"
    & skf18("5","1","8","4","3","2","1") = "7"
    & skf18("5","1","8","4","3","3","1") = "7"
    & skf18("5","1","8","4","3","4","1") = "7"
    & skf18("5","1","8","4","3","5","1") = "7"
    & skf18("5","1","8","4","3","6","1") = "7"
    & skf18("5","1","8","4","3","7","1") = "7"
    & skf18("5","1","8","4","3","8","1") = "7"
    & skf18("5","1","8","4","3","9","1") = "8"
    & skf18("5","1","8","4","3","10","1") = "9"
    & skf18("5","1","8","4","4","1","1") = "7"
    & skf18("5","1","8","4","4","2","1") = "7"
    & skf18("5","1","8","4","4","3","1") = "7"
    & skf18("5","1","8","4","4","4","1") = "7"
    & skf18("5","1","8","4","4","5","1") = "7"
    & skf18("5","1","8","4","4","6","1") = "7"
    & skf18("5","1","8","4","4","7","1") = "7"
    & skf18("5","1","8","4","4","8","1") = "7"
    & skf18("5","1","8","4","4","9","1") = "8"
    & skf18("5","1","8","4","4","10","1") = "9"
    & skf18("5","1","8","4","5","1","1") = "7"
    & skf18("5","1","8","4","5","2","1") = "7"
    & skf18("5","1","8","4","5","3","1") = "7"
    & skf18("5","1","8","4","5","4","1") = "7"
    & skf18("5","1","8","4","5","5","1") = "7"
    & skf18("5","1","8","4","5","6","1") = "7"
    & skf18("5","1","8","4","5","7","1") = "7"
    & skf18("5","1","8","4","5","8","1") = "7"
    & skf18("5","1","8","4","5","9","1") = "8"
    & skf18("5","1","8","4","5","10","1") = "9"
    & skf18("5","1","8","4","6","1","1") = "7"
    & skf18("5","1","8","4","6","2","1") = "7"
    & skf18("5","1","8","4","6","3","1") = "7"
    & skf18("5","1","8","4","6","4","1") = "7"
    & skf18("5","1","8","4","6","5","1") = "7"
    & skf18("5","1","8","4","6","6","1") = "7"
    & skf18("5","1","8","4","6","7","1") = "7"
    & skf18("5","1","8","4","6","8","1") = "7"
    & skf18("5","1","8","4","6","9","1") = "8"
    & skf18("5","1","8","4","6","10","1") = "9"
    & skf18("5","1","8","4","7","1","1") = "7"
    & skf18("5","1","8","4","7","2","1") = "7"
    & skf18("5","1","8","4","7","3","1") = "7"
    & skf18("5","1","8","4","7","4","1") = "7"
    & skf18("5","1","8","4","7","5","1") = "7"
    & skf18("5","1","8","4","7","6","1") = "7"
    & skf18("5","1","8","4","7","7","1") = "7"
    & skf18("5","1","8","4","7","8","1") = "7"
    & skf18("5","1","8","4","7","9","1") = "8"
    & skf18("5","1","8","4","7","10","1") = "9"
    & skf18("5","1","8","4","8","1","1") = "7"
    & skf18("5","1","8","4","8","2","1") = "7"
    & skf18("5","1","8","4","8","3","1") = "7"
    & skf18("5","1","8","4","8","4","1") = "7"
    & skf18("5","1","8","4","8","5","1") = "7"
    & skf18("5","1","8","4","8","6","1") = "7"
    & skf18("5","1","8","4","8","7","1") = "7"
    & skf18("5","1","8","4","8","8","1") = "7"
    & skf18("5","1","8","4","8","9","1") = "8"
    & skf18("5","1","8","4","8","10","1") = "9"
    & skf18("5","1","8","4","9","1","1") = "8"
    & skf18("5","1","8","4","9","2","1") = "8"
    & skf18("5","1","8","4","9","3","1") = "8"
    & skf18("5","1","8","4","9","4","1") = "8"
    & skf18("5","1","8","4","9","5","1") = "8"
    & skf18("5","1","8","4","9","6","1") = "8"
    & skf18("5","1","8","4","9","7","1") = "8"
    & skf18("5","1","8","4","9","8","1") = "8"
    & skf18("5","1","8","4","9","9","1") = "8"
    & skf18("5","1","8","4","9","10","1") = "9"
    & skf18("5","1","8","4","10","1","1") = "9"
    & skf18("5","1","8","4","10","2","1") = "9"
    & skf18("5","1","8","4","10","3","1") = "9"
    & skf18("5","1","8","4","10","4","1") = "9"
    & skf18("5","1","8","4","10","5","1") = "9"
    & skf18("5","1","8","4","10","6","1") = "9"
    & skf18("5","1","8","4","10","7","1") = "9"
    & skf18("5","1","8","4","10","8","1") = "9"
    & skf18("5","1","8","4","10","9","1") = "9"
    & skf18("5","1","8","4","10","10","1") = "9"
    & skf18("5","1","8","5","1","1","1") = "7"
    & skf18("5","1","8","5","1","2","1") = "7"
    & skf18("5","1","8","5","1","3","1") = "7"
    & skf18("5","1","8","5","1","4","1") = "7"
    & skf18("5","1","8","5","1","5","1") = "7"
    & skf18("5","1","8","5","1","6","1") = "7"
    & skf18("5","1","8","5","1","7","1") = "7"
    & skf18("5","1","8","5","1","8","1") = "7"
    & skf18("5","1","8","5","1","9","1") = "8"
    & skf18("5","1","8","5","1","10","1") = "9"
    & skf18("5","1","8","5","2","1","1") = "7"
    & skf18("5","1","8","5","2","2","1") = "7"
    & skf18("5","1","8","5","2","3","1") = "7"
    & skf18("5","1","8","5","2","4","1") = "7"
    & skf18("5","1","8","5","2","5","1") = "7"
    & skf18("5","1","8","5","2","6","1") = "7"
    & skf18("5","1","8","5","2","7","1") = "7"
    & skf18("5","1","8","5","2","8","1") = "7"
    & skf18("5","1","8","5","2","9","1") = "8"
    & skf18("5","1","8","5","2","10","1") = "9"
    & skf18("5","1","8","5","3","1","1") = "7"
    & skf18("5","1","8","5","3","2","1") = "7"
    & skf18("5","1","8","5","3","3","1") = "7"
    & skf18("5","1","8","5","3","4","1") = "7"
    & skf18("5","1","8","5","3","5","1") = "7"
    & skf18("5","1","8","5","3","6","1") = "7"
    & skf18("5","1","8","5","3","7","1") = "7"
    & skf18("5","1","8","5","3","8","1") = "7"
    & skf18("5","1","8","5","3","9","1") = "8"
    & skf18("5","1","8","5","3","10","1") = "9"
    & skf18("5","1","8","5","4","1","1") = "7"
    & skf18("5","1","8","5","4","2","1") = "7"
    & skf18("5","1","8","5","4","3","1") = "7"
    & skf18("5","1","8","5","4","4","1") = "7"
    & skf18("5","1","8","5","4","5","1") = "7"
    & skf18("5","1","8","5","4","6","1") = "7"
    & skf18("5","1","8","5","4","7","1") = "7"
    & skf18("5","1","8","5","4","8","1") = "7"
    & skf18("5","1","8","5","4","9","1") = "8"
    & skf18("5","1","8","5","4","10","1") = "9"
    & skf18("5","1","8","5","5","1","1") = "7"
    & skf18("5","1","8","5","5","2","1") = "7"
    & skf18("5","1","8","5","5","3","1") = "7"
    & skf18("5","1","8","5","5","4","1") = "7"
    & skf18("5","1","8","5","5","5","1") = "7"
    & skf18("5","1","8","5","5","6","1") = "7"
    & skf18("5","1","8","5","5","7","1") = "7"
    & skf18("5","1","8","5","5","8","1") = "7"
    & skf18("5","1","8","5","5","9","1") = "8"
    & skf18("5","1","8","5","5","10","1") = "9"
    & skf18("5","1","8","5","6","1","1") = "7"
    & skf18("5","1","8","5","6","2","1") = "7"
    & skf18("5","1","8","5","6","3","1") = "7"
    & skf18("5","1","8","5","6","4","1") = "7"
    & skf18("5","1","8","5","6","5","1") = "7"
    & skf18("5","1","8","5","6","6","1") = "7"
    & skf18("5","1","8","5","6","7","1") = "7"
    & skf18("5","1","8","5","6","8","1") = "7"
    & skf18("5","1","8","5","6","9","1") = "8"
    & skf18("5","1","8","5","6","10","1") = "9"
    & skf18("5","1","8","5","7","1","1") = "7"
    & skf18("5","1","8","5","7","2","1") = "7"
    & skf18("5","1","8","5","7","3","1") = "7"
    & skf18("5","1","8","5","7","4","1") = "7"
    & skf18("5","1","8","5","7","5","1") = "7"
    & skf18("5","1","8","5","7","6","1") = "7"
    & skf18("5","1","8","5","7","7","1") = "7"
    & skf18("5","1","8","5","7","8","1") = "7"
    & skf18("5","1","8","5","7","9","1") = "8"
    & skf18("5","1","8","5","7","10","1") = "9"
    & skf18("5","1","8","5","8","1","1") = "7"
    & skf18("5","1","8","5","8","2","1") = "7"
    & skf18("5","1","8","5","8","3","1") = "7"
    & skf18("5","1","8","5","8","4","1") = "7"
    & skf18("5","1","8","5","8","5","1") = "7"
    & skf18("5","1","8","5","8","6","1") = "7"
    & skf18("5","1","8","5","8","7","1") = "7"
    & skf18("5","1","8","5","8","8","1") = "7"
    & skf18("5","1","8","5","8","9","1") = "8"
    & skf18("5","1","8","5","8","10","1") = "9"
    & skf18("5","1","8","5","9","1","1") = "8"
    & skf18("5","1","8","5","9","2","1") = "8"
    & skf18("5","1","8","5","9","3","1") = "8"
    & skf18("5","1","8","5","9","4","1") = "8"
    & skf18("5","1","8","5","9","5","1") = "8"
    & skf18("5","1","8","5","9","6","1") = "8"
    & skf18("5","1","8","5","9","7","1") = "8"
    & skf18("5","1","8","5","9","8","1") = "8"
    & skf18("5","1","8","5","9","9","1") = "8"
    & skf18("5","1","8","5","9","10","1") = "9"
    & skf18("5","1","8","5","10","1","1") = "9"
    & skf18("5","1","8","5","10","2","1") = "9"
    & skf18("5","1","8","5","10","3","1") = "9"
    & skf18("5","1","8","5","10","4","1") = "9"
    & skf18("5","1","8","5","10","5","1") = "9"
    & skf18("5","1","8","5","10","6","1") = "9"
    & skf18("5","1","8","5","10","7","1") = "9"
    & skf18("5","1","8","5","10","8","1") = "9"
    & skf18("5","1","8","5","10","9","1") = "9"
    & skf18("5","1","8","5","10","10","1") = "9"
    & skf18("5","1","8","6","1","1","1") = "7"
    & skf18("5","1","8","6","1","2","1") = "7"
    & skf18("5","1","8","6","1","3","1") = "7"
    & skf18("5","1","8","6","1","4","1") = "7"
    & skf18("5","1","8","6","1","5","1") = "7"
    & skf18("5","1","8","6","1","6","1") = "7"
    & skf18("5","1","8","6","1","7","1") = "7"
    & skf18("5","1","8","6","1","8","1") = "7"
    & skf18("5","1","8","6","1","9","1") = "8"
    & skf18("5","1","8","6","1","10","1") = "9"
    & skf18("5","1","8","6","2","1","1") = "7"
    & skf18("5","1","8","6","2","2","1") = "7"
    & skf18("5","1","8","6","2","3","1") = "7"
    & skf18("5","1","8","6","2","4","1") = "7"
    & skf18("5","1","8","6","2","5","1") = "7"
    & skf18("5","1","8","6","2","6","1") = "7"
    & skf18("5","1","8","6","2","7","1") = "7"
    & skf18("5","1","8","6","2","8","1") = "7"
    & skf18("5","1","8","6","2","9","1") = "8"
    & skf18("5","1","8","6","2","10","1") = "9"
    & skf18("5","1","8","6","3","1","1") = "7"
    & skf18("5","1","8","6","3","2","1") = "7"
    & skf18("5","1","8","6","3","3","1") = "7"
    & skf18("5","1","8","6","3","4","1") = "7"
    & skf18("5","1","8","6","3","5","1") = "7"
    & skf18("5","1","8","6","3","6","1") = "7"
    & skf18("5","1","8","6","3","7","1") = "7"
    & skf18("5","1","8","6","3","8","1") = "7"
    & skf18("5","1","8","6","3","9","1") = "8"
    & skf18("5","1","8","6","3","10","1") = "9"
    & skf18("5","1","8","6","4","1","1") = "7"
    & skf18("5","1","8","6","4","2","1") = "7"
    & skf18("5","1","8","6","4","3","1") = "7"
    & skf18("5","1","8","6","4","4","1") = "7"
    & skf18("5","1","8","6","4","5","1") = "7"
    & skf18("5","1","8","6","4","6","1") = "7"
    & skf18("5","1","8","6","4","7","1") = "7"
    & skf18("5","1","8","6","4","8","1") = "7"
    & skf18("5","1","8","6","4","9","1") = "8"
    & skf18("5","1","8","6","4","10","1") = "9"
    & skf18("5","1","8","6","5","1","1") = "7"
    & skf18("5","1","8","6","5","2","1") = "7"
    & skf18("5","1","8","6","5","3","1") = "7"
    & skf18("5","1","8","6","5","4","1") = "7"
    & skf18("5","1","8","6","5","5","1") = "7"
    & skf18("5","1","8","6","5","6","1") = "7"
    & skf18("5","1","8","6","5","7","1") = "7"
    & skf18("5","1","8","6","5","8","1") = "7"
    & skf18("5","1","8","6","5","9","1") = "8"
    & skf18("5","1","8","6","5","10","1") = "9"
    & skf18("5","1","8","6","6","1","1") = "7"
    & skf18("5","1","8","6","6","2","1") = "7"
    & skf18("5","1","8","6","6","3","1") = "7"
    & skf18("5","1","8","6","6","4","1") = "7"
    & skf18("5","1","8","6","6","5","1") = "7"
    & skf18("5","1","8","6","6","6","1") = "7"
    & skf18("5","1","8","6","6","7","1") = "7"
    & skf18("5","1","8","6","6","8","1") = "7"
    & skf18("5","1","8","6","6","9","1") = "8"
    & skf18("5","1","8","6","6","10","1") = "9"
    & skf18("5","1","8","6","7","1","1") = "7"
    & skf18("5","1","8","6","7","2","1") = "7"
    & skf18("5","1","8","6","7","3","1") = "7"
    & skf18("5","1","8","6","7","4","1") = "7"
    & skf18("5","1","8","6","7","5","1") = "7"
    & skf18("5","1","8","6","7","6","1") = "7"
    & skf18("5","1","8","6","7","7","1") = "7"
    & skf18("5","1","8","6","7","8","1") = "7"
    & skf18("5","1","8","6","7","9","1") = "8"
    & skf18("5","1","8","6","7","10","1") = "9"
    & skf18("5","1","8","6","8","1","1") = "7"
    & skf18("5","1","8","6","8","2","1") = "7"
    & skf18("5","1","8","6","8","3","1") = "7"
    & skf18("5","1","8","6","8","4","1") = "7"
    & skf18("5","1","8","6","8","5","1") = "7"
    & skf18("5","1","8","6","8","6","1") = "7"
    & skf18("5","1","8","6","8","7","1") = "7"
    & skf18("5","1","8","6","8","8","1") = "7"
    & skf18("5","1","8","6","8","9","1") = "8"
    & skf18("5","1","8","6","8","10","1") = "9"
    & skf18("5","1","8","6","9","1","1") = "8"
    & skf18("5","1","8","6","9","2","1") = "8"
    & skf18("5","1","8","6","9","3","1") = "8"
    & skf18("5","1","8","6","9","4","1") = "8"
    & skf18("5","1","8","6","9","5","1") = "8"
    & skf18("5","1","8","6","9","6","1") = "8"
    & skf18("5","1","8","6","9","7","1") = "8"
    & skf18("5","1","8","6","9","8","1") = "8"
    & skf18("5","1","8","6","9","9","1") = "8"
    & skf18("5","1","8","6","9","10","1") = "9"
    & skf18("5","1","8","6","10","1","1") = "9"
    & skf18("5","1","8","6","10","2","1") = "9"
    & skf18("5","1","8","6","10","3","1") = "9"
    & skf18("5","1","8","6","10","4","1") = "9"
    & skf18("5","1","8","6","10","5","1") = "9"
    & skf18("5","1","8","6","10","6","1") = "9"
    & skf18("5","1","8","6","10","7","1") = "9"
    & skf18("5","1","8","6","10","8","1") = "9"
    & skf18("5","1","8","6","10","9","1") = "9"
    & skf18("5","1","8","6","10","10","1") = "9"
    & skf18("5","1","8","7","1","1","1") = "7"
    & skf18("5","1","8","7","1","2","1") = "7"
    & skf18("5","1","8","7","1","3","1") = "7"
    & skf18("5","1","8","7","1","4","1") = "7"
    & skf18("5","1","8","7","1","5","1") = "7"
    & skf18("5","1","8","7","1","6","1") = "7"
    & skf18("5","1","8","7","1","7","1") = "7"
    & skf18("5","1","8","7","1","8","1") = "7"
    & skf18("5","1","8","7","1","9","1") = "8"
    & skf18("5","1","8","7","1","10","1") = "9"
    & skf18("5","1","8","7","2","1","1") = "7"
    & skf18("5","1","8","7","2","2","1") = "7"
    & skf18("5","1","8","7","2","3","1") = "7"
    & skf18("5","1","8","7","2","4","1") = "7"
    & skf18("5","1","8","7","2","5","1") = "7"
    & skf18("5","1","8","7","2","6","1") = "7"
    & skf18("5","1","8","7","2","7","1") = "7"
    & skf18("5","1","8","7","2","8","1") = "7"
    & skf18("5","1","8","7","2","9","1") = "8"
    & skf18("5","1","8","7","2","10","1") = "9"
    & skf18("5","1","8","7","3","1","1") = "7"
    & skf18("5","1","8","7","3","2","1") = "7"
    & skf18("5","1","8","7","3","3","1") = "7"
    & skf18("5","1","8","7","3","4","1") = "7"
    & skf18("5","1","8","7","3","5","1") = "7"
    & skf18("5","1","8","7","3","6","1") = "7"
    & skf18("5","1","8","7","3","7","1") = "7"
    & skf18("5","1","8","7","3","8","1") = "7"
    & skf18("5","1","8","7","3","9","1") = "8"
    & skf18("5","1","8","7","3","10","1") = "9"
    & skf18("5","1","8","7","4","1","1") = "7"
    & skf18("5","1","8","7","4","2","1") = "7"
    & skf18("5","1","8","7","4","3","1") = "7"
    & skf18("5","1","8","7","4","4","1") = "7"
    & skf18("5","1","8","7","4","5","1") = "7"
    & skf18("5","1","8","7","4","6","1") = "7"
    & skf18("5","1","8","7","4","7","1") = "7"
    & skf18("5","1","8","7","4","8","1") = "7"
    & skf18("5","1","8","7","4","9","1") = "8"
    & skf18("5","1","8","7","4","10","1") = "9"
    & skf18("5","1","8","7","5","1","1") = "7"
    & skf18("5","1","8","7","5","2","1") = "7"
    & skf18("5","1","8","7","5","3","1") = "7"
    & skf18("5","1","8","7","5","4","1") = "7"
    & skf18("5","1","8","7","5","5","1") = "7"
    & skf18("5","1","8","7","5","6","1") = "7"
    & skf18("5","1","8","7","5","7","1") = "7"
    & skf18("5","1","8","7","5","8","1") = "7"
    & skf18("5","1","8","7","5","9","1") = "8"
    & skf18("5","1","8","7","5","10","1") = "9"
    & skf18("5","1","8","7","6","1","1") = "7"
    & skf18("5","1","8","7","6","2","1") = "7"
    & skf18("5","1","8","7","6","3","1") = "7"
    & skf18("5","1","8","7","6","4","1") = "7"
    & skf18("5","1","8","7","6","5","1") = "7"
    & skf18("5","1","8","7","6","6","1") = "7"
    & skf18("5","1","8","7","6","7","1") = "7"
    & skf18("5","1","8","7","6","8","1") = "7"
    & skf18("5","1","8","7","6","9","1") = "8"
    & skf18("5","1","8","7","6","10","1") = "9"
    & skf18("5","1","8","7","7","1","1") = "7"
    & skf18("5","1","8","7","7","2","1") = "7"
    & skf18("5","1","8","7","7","3","1") = "7"
    & skf18("5","1","8","7","7","4","1") = "7"
    & skf18("5","1","8","7","7","5","1") = "7"
    & skf18("5","1","8","7","7","6","1") = "7"
    & skf18("5","1","8","7","7","7","1") = "7"
    & skf18("5","1","8","7","7","8","1") = "7"
    & skf18("5","1","8","7","7","9","1") = "8"
    & skf18("5","1","8","7","7","10","1") = "9"
    & skf18("5","1","8","7","8","1","1") = "7"
    & skf18("5","1","8","7","8","2","1") = "7"
    & skf18("5","1","8","7","8","3","1") = "7"
    & skf18("5","1","8","7","8","4","1") = "7"
    & skf18("5","1","8","7","8","5","1") = "7"
    & skf18("5","1","8","7","8","6","1") = "7"
    & skf18("5","1","8","7","8","7","1") = "7"
    & skf18("5","1","8","7","8","8","1") = "7"
    & skf18("5","1","8","7","8","9","1") = "8"
    & skf18("5","1","8","7","8","10","1") = "9"
    & skf18("5","1","8","7","9","1","1") = "8"
    & skf18("5","1","8","7","9","2","1") = "8"
    & skf18("5","1","8","7","9","3","1") = "8"
    & skf18("5","1","8","7","9","4","1") = "8"
    & skf18("5","1","8","7","9","5","1") = "8"
    & skf18("5","1","8","7","9","6","1") = "8"
    & skf18("5","1","8","7","9","7","1") = "8"
    & skf18("5","1","8","7","9","8","1") = "8"
    & skf18("5","1","8","7","9","9","1") = "8"
    & skf18("5","1","8","7","9","10","1") = "9"
    & skf18("5","1","8","7","10","1","1") = "9"
    & skf18("5","1","8","7","10","2","1") = "9"
    & skf18("5","1","8","7","10","3","1") = "9"
    & skf18("5","1","8","7","10","4","1") = "9"
    & skf18("5","1","8","7","10","5","1") = "9"
    & skf18("5","1","8","7","10","6","1") = "9"
    & skf18("5","1","8","7","10","7","1") = "9"
    & skf18("5","1","8","7","10","8","1") = "9"
    & skf18("5","1","8","7","10","9","1") = "9"
    & skf18("5","1","8","7","10","10","1") = "9"
    & skf18("5","1","8","8","1","1","1") = "7"
    & skf18("5","1","8","8","1","2","1") = "7"
    & skf18("5","1","8","8","1","3","1") = "7"
    & skf18("5","1","8","8","1","4","1") = "7"
    & skf18("5","1","8","8","1","5","1") = "7"
    & skf18("5","1","8","8","1","6","1") = "7"
    & skf18("5","1","8","8","1","7","1") = "7"
    & skf18("5","1","8","8","1","8","1") = "7"
    & skf18("5","1","8","8","1","9","1") = "8"
    & skf18("5","1","8","8","1","10","1") = "9"
    & skf18("5","1","8","8","2","1","1") = "7"
    & skf18("5","1","8","8","2","2","1") = "7"
    & skf18("5","1","8","8","2","3","1") = "7"
    & skf18("5","1","8","8","2","4","1") = "7"
    & skf18("5","1","8","8","2","5","1") = "7"
    & skf18("5","1","8","8","2","6","1") = "7"
    & skf18("5","1","8","8","2","7","1") = "7"
    & skf18("5","1","8","8","2","8","1") = "7"
    & skf18("5","1","8","8","2","9","1") = "8"
    & skf18("5","1","8","8","2","10","1") = "9"
    & skf18("5","1","8","8","3","1","1") = "7"
    & skf18("5","1","8","8","3","2","1") = "7"
    & skf18("5","1","8","8","3","3","1") = "7"
    & skf18("5","1","8","8","3","4","1") = "7"
    & skf18("5","1","8","8","3","5","1") = "7"
    & skf18("5","1","8","8","3","6","1") = "7"
    & skf18("5","1","8","8","3","7","1") = "7"
    & skf18("5","1","8","8","3","8","1") = "7"
    & skf18("5","1","8","8","3","9","1") = "8"
    & skf18("5","1","8","8","3","10","1") = "9"
    & skf18("5","1","8","8","4","1","1") = "7"
    & skf18("5","1","8","8","4","2","1") = "7"
    & skf18("5","1","8","8","4","3","1") = "7"
    & skf18("5","1","8","8","4","4","1") = "7"
    & skf18("5","1","8","8","4","5","1") = "7"
    & skf18("5","1","8","8","4","6","1") = "7"
    & skf18("5","1","8","8","4","7","1") = "7"
    & skf18("5","1","8","8","4","8","1") = "7"
    & skf18("5","1","8","8","4","9","1") = "8"
    & skf18("5","1","8","8","4","10","1") = "9"
    & skf18("5","1","8","8","5","1","1") = "7"
    & skf18("5","1","8","8","5","2","1") = "7"
    & skf18("5","1","8","8","5","3","1") = "7"
    & skf18("5","1","8","8","5","4","1") = "7"
    & skf18("5","1","8","8","5","5","1") = "7"
    & skf18("5","1","8","8","5","6","1") = "7"
    & skf18("5","1","8","8","5","7","1") = "7"
    & skf18("5","1","8","8","5","8","1") = "7"
    & skf18("5","1","8","8","5","9","1") = "8"
    & skf18("5","1","8","8","5","10","1") = "9"
    & skf18("5","1","8","8","6","1","1") = "7"
    & skf18("5","1","8","8","6","2","1") = "7"
    & skf18("5","1","8","8","6","3","1") = "7"
    & skf18("5","1","8","8","6","4","1") = "7"
    & skf18("5","1","8","8","6","5","1") = "7"
    & skf18("5","1","8","8","6","6","1") = "7"
    & skf18("5","1","8","8","6","7","1") = "7"
    & skf18("5","1","8","8","6","8","1") = "7"
    & skf18("5","1","8","8","6","9","1") = "8"
    & skf18("5","1","8","8","6","10","1") = "9"
    & skf18("5","1","8","8","7","1","1") = "7"
    & skf18("5","1","8","8","7","2","1") = "7"
    & skf18("5","1","8","8","7","3","1") = "7"
    & skf18("5","1","8","8","7","4","1") = "7"
    & skf18("5","1","8","8","7","5","1") = "7"
    & skf18("5","1","8","8","7","6","1") = "7"
    & skf18("5","1","8","8","7","7","1") = "7"
    & skf18("5","1","8","8","7","8","1") = "7"
    & skf18("5","1","8","8","7","9","1") = "8"
    & skf18("5","1","8","8","7","10","1") = "9"
    & skf18("5","1","8","8","8","1","1") = "7"
    & skf18("5","1","8","8","8","2","1") = "7"
    & skf18("5","1","8","8","8","3","1") = "7"
    & skf18("5","1","8","8","8","4","1") = "7"
    & skf18("5","1","8","8","8","5","1") = "7"
    & skf18("5","1","8","8","8","6","1") = "7"
    & skf18("5","1","8","8","8","7","1") = "7"
    & skf18("5","1","8","8","8","8","1") = "7"
    & skf18("5","1","8","8","8","9","1") = "8"
    & skf18("5","1","8","8","8","10","1") = "9"
    & skf18("5","1","8","8","9","1","1") = "8"
    & skf18("5","1","8","8","9","2","1") = "8"
    & skf18("5","1","8","8","9","3","1") = "8"
    & skf18("5","1","8","8","9","4","1") = "8"
    & skf18("5","1","8","8","9","5","1") = "8"
    & skf18("5","1","8","8","9","6","1") = "8"
    & skf18("5","1","8","8","9","7","1") = "8"
    & skf18("5","1","8","8","9","8","1") = "8"
    & skf18("5","1","8","8","9","9","1") = "8"
    & skf18("5","1","8","8","9","10","1") = "9"
    & skf18("5","1","8","8","10","1","1") = "9"
    & skf18("5","1","8","8","10","2","1") = "9"
    & skf18("5","1","8","8","10","3","1") = "9"
    & skf18("5","1","8","8","10","4","1") = "9"
    & skf18("5","1","8","8","10","5","1") = "9"
    & skf18("5","1","8","8","10","6","1") = "9"
    & skf18("5","1","8","8","10","7","1") = "9"
    & skf18("5","1","8","8","10","8","1") = "9"
    & skf18("5","1","8","8","10","9","1") = "9"
    & skf18("5","1","8","8","10","10","1") = "9"
    & skf18("5","1","8","9","1","1","1") = "8"
    & skf18("5","1","8","9","1","2","1") = "8"
    & skf18("5","1","8","9","1","3","1") = "8"
    & skf18("5","1","8","9","1","4","1") = "8"
    & skf18("5","1","8","9","1","5","1") = "8"
    & skf18("5","1","8","9","1","6","1") = "8"
    & skf18("5","1","8","9","1","7","1") = "8"
    & skf18("5","1","8","9","1","8","1") = "8"
    & skf18("5","1","8","9","1","9","1") = "8"
    & skf18("5","1","8","9","1","10","1") = "9"
    & skf18("5","1","8","9","2","1","1") = "8"
    & skf18("5","1","8","9","2","2","1") = "8"
    & skf18("5","1","8","9","2","3","1") = "8"
    & skf18("5","1","8","9","2","4","1") = "8"
    & skf18("5","1","8","9","2","5","1") = "8"
    & skf18("5","1","8","9","2","6","1") = "8"
    & skf18("5","1","8","9","2","7","1") = "8"
    & skf18("5","1","8","9","2","8","1") = "8"
    & skf18("5","1","8","9","2","9","1") = "8"
    & skf18("5","1","8","9","2","10","1") = "9"
    & skf18("5","1","8","9","3","1","1") = "8"
    & skf18("5","1","8","9","3","2","1") = "8"
    & skf18("5","1","8","9","3","3","1") = "8"
    & skf18("5","1","8","9","3","4","1") = "8"
    & skf18("5","1","8","9","3","5","1") = "8"
    & skf18("5","1","8","9","3","6","1") = "8"
    & skf18("5","1","8","9","3","7","1") = "8"
    & skf18("5","1","8","9","3","8","1") = "8"
    & skf18("5","1","8","9","3","9","1") = "8"
    & skf18("5","1","8","9","3","10","1") = "9"
    & skf18("5","1","8","9","4","1","1") = "8"
    & skf18("5","1","8","9","4","2","1") = "8"
    & skf18("5","1","8","9","4","3","1") = "8"
    & skf18("5","1","8","9","4","4","1") = "8"
    & skf18("5","1","8","9","4","5","1") = "8"
    & skf18("5","1","8","9","4","6","1") = "8"
    & skf18("5","1","8","9","4","7","1") = "8"
    & skf18("5","1","8","9","4","8","1") = "8"
    & skf18("5","1","8","9","4","9","1") = "8"
    & skf18("5","1","8","9","4","10","1") = "9"
    & skf18("5","1","8","9","5","1","1") = "8"
    & skf18("5","1","8","9","5","2","1") = "8"
    & skf18("5","1","8","9","5","3","1") = "8"
    & skf18("5","1","8","9","5","4","1") = "8"
    & skf18("5","1","8","9","5","5","1") = "8"
    & skf18("5","1","8","9","5","6","1") = "8"
    & skf18("5","1","8","9","5","7","1") = "8"
    & skf18("5","1","8","9","5","8","1") = "8"
    & skf18("5","1","8","9","5","9","1") = "8"
    & skf18("5","1","8","9","5","10","1") = "9"
    & skf18("5","1","8","9","6","1","1") = "8"
    & skf18("5","1","8","9","6","2","1") = "8"
    & skf18("5","1","8","9","6","3","1") = "8"
    & skf18("5","1","8","9","6","4","1") = "8"
    & skf18("5","1","8","9","6","5","1") = "8"
    & skf18("5","1","8","9","6","6","1") = "8"
    & skf18("5","1","8","9","6","7","1") = "8"
    & skf18("5","1","8","9","6","8","1") = "8"
    & skf18("5","1","8","9","6","9","1") = "8"
    & skf18("5","1","8","9","6","10","1") = "9"
    & skf18("5","1","8","9","7","1","1") = "8"
    & skf18("5","1","8","9","7","2","1") = "8"
    & skf18("5","1","8","9","7","3","1") = "8"
    & skf18("5","1","8","9","7","4","1") = "8"
    & skf18("5","1","8","9","7","5","1") = "8"
    & skf18("5","1","8","9","7","6","1") = "8"
    & skf18("5","1","8","9","7","7","1") = "8"
    & skf18("5","1","8","9","7","8","1") = "8"
    & skf18("5","1","8","9","7","9","1") = "8"
    & skf18("5","1","8","9","7","10","1") = "9"
    & skf18("5","1","8","9","8","1","1") = "8"
    & skf18("5","1","8","9","8","2","1") = "8"
    & skf18("5","1","8","9","8","3","1") = "8"
    & skf18("5","1","8","9","8","4","1") = "8"
    & skf18("5","1","8","9","8","5","1") = "8"
    & skf18("5","1","8","9","8","6","1") = "8"
    & skf18("5","1","8","9","8","7","1") = "8"
    & skf18("5","1","8","9","8","8","1") = "8"
    & skf18("5","1","8","9","8","9","1") = "8"
    & skf18("5","1","8","9","8","10","1") = "9"
    & skf18("5","1","8","9","9","1","1") = "8"
    & skf18("5","1","8","9","9","2","1") = "8"
    & skf18("5","1","8","9","9","3","1") = "8"
    & skf18("5","1","8","9","9","4","1") = "8"
    & skf18("5","1","8","9","9","5","1") = "8"
    & skf18("5","1","8","9","9","6","1") = "8"
    & skf18("5","1","8","9","9","7","1") = "8"
    & skf18("5","1","8","9","9","8","1") = "8"
    & skf18("5","1","8","9","9","9","1") = "8"
    & skf18("5","1","8","9","9","10","1") = "9"
    & skf18("5","1","8","9","10","1","1") = "9"
    & skf18("5","1","8","9","10","2","1") = "9"
    & skf18("5","1","8","9","10","3","1") = "9"
    & skf18("5","1","8","9","10","4","1") = "9"
    & skf18("5","1","8","9","10","5","1") = "9"
    & skf18("5","1","8","9","10","6","1") = "9"
    & skf18("5","1","8","9","10","7","1") = "9"
    & skf18("5","1","8","9","10","8","1") = "9"
    & skf18("5","1","8","9","10","9","1") = "9"
    & skf18("5","1","8","9","10","10","1") = "9"
    & skf18("5","1","8","10","1","1","1") = "9"
    & skf18("5","1","8","10","1","2","1") = "9"
    & skf18("5","1","8","10","1","3","1") = "9"
    & skf18("5","1","8","10","1","4","1") = "9"
    & skf18("5","1","8","10","1","5","1") = "9"
    & skf18("5","1","8","10","1","6","1") = "9"
    & skf18("5","1","8","10","1","7","1") = "9"
    & skf18("5","1","8","10","1","8","1") = "9"
    & skf18("5","1","8","10","1","9","1") = "9"
    & skf18("5","1","8","10","1","10","1") = "9"
    & skf18("5","1","8","10","2","1","1") = "9"
    & skf18("5","1","8","10","2","2","1") = "9"
    & skf18("5","1","8","10","2","3","1") = "9"
    & skf18("5","1","8","10","2","4","1") = "9"
    & skf18("5","1","8","10","2","5","1") = "9"
    & skf18("5","1","8","10","2","6","1") = "9"
    & skf18("5","1","8","10","2","7","1") = "9"
    & skf18("5","1","8","10","2","8","1") = "9"
    & skf18("5","1","8","10","2","9","1") = "9"
    & skf18("5","1","8","10","2","10","1") = "9"
    & skf18("5","1","8","10","3","1","1") = "9"
    & skf18("5","1","8","10","3","2","1") = "9"
    & skf18("5","1","8","10","3","3","1") = "9"
    & skf18("5","1","8","10","3","4","1") = "9"
    & skf18("5","1","8","10","3","5","1") = "9"
    & skf18("5","1","8","10","3","6","1") = "9"
    & skf18("5","1","8","10","3","7","1") = "9"
    & skf18("5","1","8","10","3","8","1") = "9"
    & skf18("5","1","8","10","3","9","1") = "9"
    & skf18("5","1","8","10","3","10","1") = "9"
    & skf18("5","1","8","10","4","1","1") = "9"
    & skf18("5","1","8","10","4","2","1") = "9"
    & skf18("5","1","8","10","4","3","1") = "9"
    & skf18("5","1","8","10","4","4","1") = "9"
    & skf18("5","1","8","10","4","5","1") = "9"
    & skf18("5","1","8","10","4","6","1") = "9"
    & skf18("5","1","8","10","4","7","1") = "9"
    & skf18("5","1","8","10","4","8","1") = "9"
    & skf18("5","1","8","10","4","9","1") = "9"
    & skf18("5","1","8","10","4","10","1") = "9"
    & skf18("5","1","8","10","5","1","1") = "9"
    & skf18("5","1","8","10","5","2","1") = "9"
    & skf18("5","1","8","10","5","3","1") = "9"
    & skf18("5","1","8","10","5","4","1") = "9"
    & skf18("5","1","8","10","5","5","1") = "9"
    & skf18("5","1","8","10","5","6","1") = "9"
    & skf18("5","1","8","10","5","7","1") = "9"
    & skf18("5","1","8","10","5","8","1") = "9"
    & skf18("5","1","8","10","5","9","1") = "9"
    & skf18("5","1","8","10","5","10","1") = "9"
    & skf18("5","1","8","10","6","1","1") = "9"
    & skf18("5","1","8","10","6","2","1") = "9"
    & skf18("5","1","8","10","6","3","1") = "9"
    & skf18("5","1","8","10","6","4","1") = "9"
    & skf18("5","1","8","10","6","5","1") = "9"
    & skf18("5","1","8","10","6","6","1") = "9"
    & skf18("5","1","8","10","6","7","1") = "9"
    & skf18("5","1","8","10","6","8","1") = "9"
    & skf18("5","1","8","10","6","9","1") = "9"
    & skf18("5","1","8","10","6","10","1") = "9"
    & skf18("5","1","8","10","7","1","1") = "9"
    & skf18("5","1","8","10","7","2","1") = "9"
    & skf18("5","1","8","10","7","3","1") = "9"
    & skf18("5","1","8","10","7","4","1") = "9"
    & skf18("5","1","8","10","7","5","1") = "9"
    & skf18("5","1","8","10","7","6","1") = "9"
    & skf18("5","1","8","10","7","7","1") = "9"
    & skf18("5","1","8","10","7","8","1") = "9"
    & skf18("5","1","8","10","7","9","1") = "9"
    & skf18("5","1","8","10","7","10","1") = "9"
    & skf18("5","1","8","10","8","1","1") = "9"
    & skf18("5","1","8","10","8","2","1") = "9"
    & skf18("5","1","8","10","8","3","1") = "9"
    & skf18("5","1","8","10","8","4","1") = "9"
    & skf18("5","1","8","10","8","5","1") = "9"
    & skf18("5","1","8","10","8","6","1") = "9"
    & skf18("5","1","8","10","8","7","1") = "9"
    & skf18("5","1","8","10","8","8","1") = "9"
    & skf18("5","1","8","10","8","9","1") = "9"
    & skf18("5","1","8","10","8","10","1") = "9"
    & skf18("5","1","8","10","9","1","1") = "9"
    & skf18("5","1","8","10","9","2","1") = "9"
    & skf18("5","1","8","10","9","3","1") = "9"
    & skf18("5","1","8","10","9","4","1") = "9"
    & skf18("5","1","8","10","9","5","1") = "9"
    & skf18("5","1","8","10","9","6","1") = "9"
    & skf18("5","1","8","10","9","7","1") = "9"
    & skf18("5","1","8","10","9","8","1") = "9"
    & skf18("5","1","8","10","9","9","1") = "9"
    & skf18("5","1","8","10","9","10","1") = "9"
    & skf18("5","1","8","10","10","1","1") = "9"
    & skf18("5","1","8","10","10","2","1") = "9"
    & skf18("5","1","8","10","10","3","1") = "9"
    & skf18("5","1","8","10","10","4","1") = "9"
    & skf18("5","1","8","10","10","5","1") = "9"
    & skf18("5","1","8","10","10","6","1") = "9"
    & skf18("5","1","8","10","10","7","1") = "9"
    & skf18("5","1","8","10","10","8","1") = "9"
    & skf18("5","1","8","10","10","9","1") = "9"
    & skf18("5","1","8","10","10","10","1") = "9"
    & skf18("5","1","9","1","1","1","1") = "8"
    & skf18("5","1","9","1","1","2","1") = "8"
    & skf18("5","1","9","1","1","3","1") = "8"
    & skf18("5","1","9","1","1","4","1") = "8"
    & skf18("5","1","9","1","1","5","1") = "8"
    & skf18("5","1","9","1","1","6","1") = "8"
    & skf18("5","1","9","1","1","7","1") = "8"
    & skf18("5","1","9","1","1","8","1") = "8"
    & skf18("5","1","9","1","1","9","1") = "8"
    & skf18("5","1","9","1","1","10","1") = "9"
    & skf18("5","1","9","1","2","1","1") = "8"
    & skf18("5","1","9","1","2","2","1") = "8"
    & skf18("5","1","9","1","2","3","1") = "8"
    & skf18("5","1","9","1","2","4","1") = "8"
    & skf18("5","1","9","1","2","5","1") = "8"
    & skf18("5","1","9","1","2","6","1") = "8"
    & skf18("5","1","9","1","2","7","1") = "8"
    & skf18("5","1","9","1","2","8","1") = "8"
    & skf18("5","1","9","1","2","9","1") = "8"
    & skf18("5","1","9","1","2","10","1") = "9"
    & skf18("5","1","9","1","3","1","1") = "8"
    & skf18("5","1","9","1","3","2","1") = "8"
    & skf18("5","1","9","1","3","3","1") = "8"
    & skf18("5","1","9","1","3","4","1") = "8"
    & skf18("5","1","9","1","3","5","1") = "8"
    & skf18("5","1","9","1","3","6","1") = "8"
    & skf18("5","1","9","1","3","7","1") = "8"
    & skf18("5","1","9","1","3","8","1") = "8"
    & skf18("5","1","9","1","3","9","1") = "8"
    & skf18("5","1","9","1","3","10","1") = "9"
    & skf18("5","1","9","1","4","1","1") = "8"
    & skf18("5","1","9","1","4","2","1") = "8"
    & skf18("5","1","9","1","4","3","1") = "8"
    & skf18("5","1","9","1","4","4","1") = "8"
    & skf18("5","1","9","1","4","5","1") = "8"
    & skf18("5","1","9","1","4","6","1") = "8"
    & skf18("5","1","9","1","4","7","1") = "8"
    & skf18("5","1","9","1","4","8","1") = "8"
    & skf18("5","1","9","1","4","9","1") = "8"
    & skf18("5","1","9","1","4","10","1") = "9"
    & skf18("5","1","9","1","5","1","1") = "8"
    & skf18("5","1","9","1","5","2","1") = "8"
    & skf18("5","1","9","1","5","3","1") = "8"
    & skf18("5","1","9","1","5","4","1") = "8"
    & skf18("5","1","9","1","5","5","1") = "8"
    & skf18("5","1","9","1","5","6","1") = "8"
    & skf18("5","1","9","1","5","7","1") = "8"
    & skf18("5","1","9","1","5","8","1") = "8"
    & skf18("5","1","9","1","5","9","1") = "8"
    & skf18("5","1","9","1","5","10","1") = "9"
    & skf18("5","1","9","1","6","1","1") = "8"
    & skf18("5","1","9","1","6","2","1") = "8"
    & skf18("5","1","9","1","6","3","1") = "8"
    & skf18("5","1","9","1","6","4","1") = "8"
    & skf18("5","1","9","1","6","5","1") = "8"
    & skf18("5","1","9","1","6","6","1") = "8"
    & skf18("5","1","9","1","6","7","1") = "8"
    & skf18("5","1","9","1","6","8","1") = "8"
    & skf18("5","1","9","1","6","9","1") = "8"
    & skf18("5","1","9","1","6","10","1") = "9"
    & skf18("5","1","9","1","7","1","1") = "8"
    & skf18("5","1","9","1","7","2","1") = "8"
    & skf18("5","1","9","1","7","3","1") = "8"
    & skf18("5","1","9","1","7","4","1") = "8"
    & skf18("5","1","9","1","7","5","1") = "8"
    & skf18("5","1","9","1","7","6","1") = "8"
    & skf18("5","1","9","1","7","7","1") = "8"
    & skf18("5","1","9","1","7","8","1") = "8"
    & skf18("5","1","9","1","7","9","1") = "8"
    & skf18("5","1","9","1","7","10","1") = "9"
    & skf18("5","1","9","1","8","1","1") = "8"
    & skf18("5","1","9","1","8","2","1") = "8"
    & skf18("5","1","9","1","8","3","1") = "8"
    & skf18("5","1","9","1","8","4","1") = "8"
    & skf18("5","1","9","1","8","5","1") = "8"
    & skf18("5","1","9","1","8","6","1") = "8"
    & skf18("5","1","9","1","8","7","1") = "8"
    & skf18("5","1","9","1","8","8","1") = "8"
    & skf18("5","1","9","1","8","9","1") = "8"
    & skf18("5","1","9","1","8","10","1") = "9"
    & skf18("5","1","9","1","9","1","1") = "8"
    & skf18("5","1","9","1","9","2","1") = "8"
    & skf18("5","1","9","1","9","3","1") = "8"
    & skf18("5","1","9","1","9","4","1") = "8"
    & skf18("5","1","9","1","9","5","1") = "8"
    & skf18("5","1","9","1","9","6","1") = "8"
    & skf18("5","1","9","1","9","7","1") = "8"
    & skf18("5","1","9","1","9","8","1") = "8"
    & skf18("5","1","9","1","9","9","1") = "8"
    & skf18("5","1","9","1","9","10","1") = "9"
    & skf18("5","1","9","1","10","1","1") = "9"
    & skf18("5","1","9","1","10","2","1") = "9"
    & skf18("5","1","9","1","10","3","1") = "9"
    & skf18("5","1","9","1","10","4","1") = "9"
    & skf18("5","1","9","1","10","5","1") = "9"
    & skf18("5","1","9","1","10","6","1") = "9"
    & skf18("5","1","9","1","10","7","1") = "9"
    & skf18("5","1","9","1","10","8","1") = "9"
    & skf18("5","1","9","1","10","9","1") = "9"
    & skf18("5","1","9","1","10","10","1") = "9"
    & skf18("5","1","9","2","1","1","1") = "8"
    & skf18("5","1","9","2","1","2","1") = "8"
    & skf18("5","1","9","2","1","3","1") = "8"
    & skf18("5","1","9","2","1","4","1") = "8"
    & skf18("5","1","9","2","1","5","1") = "8"
    & skf18("5","1","9","2","1","6","1") = "8"
    & skf18("5","1","9","2","1","7","1") = "8"
    & skf18("5","1","9","2","1","8","1") = "8"
    & skf18("5","1","9","2","1","9","1") = "8"
    & skf18("5","1","9","2","1","10","1") = "9"
    & skf18("5","1","9","2","2","1","1") = "8"
    & skf18("5","1","9","2","2","2","1") = "8"
    & skf18("5","1","9","2","2","3","1") = "8"
    & skf18("5","1","9","2","2","4","1") = "8"
    & skf18("5","1","9","2","2","5","1") = "8"
    & skf18("5","1","9","2","2","6","1") = "8"
    & skf18("5","1","9","2","2","7","1") = "8"
    & skf18("5","1","9","2","2","8","1") = "8"
    & skf18("5","1","9","2","2","9","1") = "8"
    & skf18("5","1","9","2","2","10","1") = "9"
    & skf18("5","1","9","2","3","1","1") = "8"
    & skf18("5","1","9","2","3","2","1") = "8"
    & skf18("5","1","9","2","3","3","1") = "8"
    & skf18("5","1","9","2","3","4","1") = "8"
    & skf18("5","1","9","2","3","5","1") = "8"
    & skf18("5","1","9","2","3","6","1") = "8"
    & skf18("5","1","9","2","3","7","1") = "8"
    & skf18("5","1","9","2","3","8","1") = "8"
    & skf18("5","1","9","2","3","9","1") = "8"
    & skf18("5","1","9","2","3","10","1") = "9"
    & skf18("5","1","9","2","4","1","1") = "8"
    & skf18("5","1","9","2","4","2","1") = "8"
    & skf18("5","1","9","2","4","3","1") = "8"
    & skf18("5","1","9","2","4","4","1") = "8"
    & skf18("5","1","9","2","4","5","1") = "8"
    & skf18("5","1","9","2","4","6","1") = "8"
    & skf18("5","1","9","2","4","7","1") = "8"
    & skf18("5","1","9","2","4","8","1") = "8"
    & skf18("5","1","9","2","4","9","1") = "8"
    & skf18("5","1","9","2","4","10","1") = "9"
    & skf18("5","1","9","2","5","1","1") = "8"
    & skf18("5","1","9","2","5","2","1") = "8"
    & skf18("5","1","9","2","5","3","1") = "8"
    & skf18("5","1","9","2","5","4","1") = "8"
    & skf18("5","1","9","2","5","5","1") = "8"
    & skf18("5","1","9","2","5","6","1") = "8"
    & skf18("5","1","9","2","5","7","1") = "8"
    & skf18("5","1","9","2","5","8","1") = "8"
    & skf18("5","1","9","2","5","9","1") = "8"
    & skf18("5","1","9","2","5","10","1") = "9"
    & skf18("5","1","9","2","6","1","1") = "8"
    & skf18("5","1","9","2","6","2","1") = "8"
    & skf18("5","1","9","2","6","3","1") = "8"
    & skf18("5","1","9","2","6","4","1") = "8"
    & skf18("5","1","9","2","6","5","1") = "8"
    & skf18("5","1","9","2","6","6","1") = "8"
    & skf18("5","1","9","2","6","7","1") = "8"
    & skf18("5","1","9","2","6","8","1") = "8"
    & skf18("5","1","9","2","6","9","1") = "8"
    & skf18("5","1","9","2","6","10","1") = "9"
    & skf18("5","1","9","2","7","1","1") = "8"
    & skf18("5","1","9","2","7","2","1") = "8"
    & skf18("5","1","9","2","7","3","1") = "8"
    & skf18("5","1","9","2","7","4","1") = "8"
    & skf18("5","1","9","2","7","5","1") = "8"
    & skf18("5","1","9","2","7","6","1") = "8"
    & skf18("5","1","9","2","7","7","1") = "8"
    & skf18("5","1","9","2","7","8","1") = "8"
    & skf18("5","1","9","2","7","9","1") = "8"
    & skf18("5","1","9","2","7","10","1") = "9"
    & skf18("5","1","9","2","8","1","1") = "8"
    & skf18("5","1","9","2","8","2","1") = "8"
    & skf18("5","1","9","2","8","3","1") = "8"
    & skf18("5","1","9","2","8","4","1") = "8"
    & skf18("5","1","9","2","8","5","1") = "8"
    & skf18("5","1","9","2","8","6","1") = "8"
    & skf18("5","1","9","2","8","7","1") = "8"
    & skf18("5","1","9","2","8","8","1") = "8"
    & skf18("5","1","9","2","8","9","1") = "8"
    & skf18("5","1","9","2","8","10","1") = "9"
    & skf18("5","1","9","2","9","1","1") = "8"
    & skf18("5","1","9","2","9","2","1") = "8"
    & skf18("5","1","9","2","9","3","1") = "8"
    & skf18("5","1","9","2","9","4","1") = "8"
    & skf18("5","1","9","2","9","5","1") = "8"
    & skf18("5","1","9","2","9","6","1") = "8"
    & skf18("5","1","9","2","9","7","1") = "8"
    & skf18("5","1","9","2","9","8","1") = "8"
    & skf18("5","1","9","2","9","9","1") = "8"
    & skf18("5","1","9","2","9","10","1") = "9"
    & skf18("5","1","9","2","10","1","1") = "9"
    & skf18("5","1","9","2","10","2","1") = "9"
    & skf18("5","1","9","2","10","3","1") = "9"
    & skf18("5","1","9","2","10","4","1") = "9"
    & skf18("5","1","9","2","10","5","1") = "9"
    & skf18("5","1","9","2","10","6","1") = "9"
    & skf18("5","1","9","2","10","7","1") = "9"
    & skf18("5","1","9","2","10","8","1") = "9"
    & skf18("5","1","9","2","10","9","1") = "9"
    & skf18("5","1","9","2","10","10","1") = "9"
    & skf18("5","1","9","3","1","1","1") = "8"
    & skf18("5","1","9","3","1","2","1") = "8"
    & skf18("5","1","9","3","1","3","1") = "8"
    & skf18("5","1","9","3","1","4","1") = "8"
    & skf18("5","1","9","3","1","5","1") = "8"
    & skf18("5","1","9","3","1","6","1") = "8"
    & skf18("5","1","9","3","1","7","1") = "8"
    & skf18("5","1","9","3","1","8","1") = "8"
    & skf18("5","1","9","3","1","9","1") = "8"
    & skf18("5","1","9","3","1","10","1") = "9"
    & skf18("5","1","9","3","2","1","1") = "8"
    & skf18("5","1","9","3","2","2","1") = "8"
    & skf18("5","1","9","3","2","3","1") = "8"
    & skf18("5","1","9","3","2","4","1") = "8"
    & skf18("5","1","9","3","2","5","1") = "8"
    & skf18("5","1","9","3","2","6","1") = "8"
    & skf18("5","1","9","3","2","7","1") = "8"
    & skf18("5","1","9","3","2","8","1") = "8"
    & skf18("5","1","9","3","2","9","1") = "8"
    & skf18("5","1","9","3","2","10","1") = "9"
    & skf18("5","1","9","3","3","1","1") = "8"
    & skf18("5","1","9","3","3","2","1") = "8"
    & skf18("5","1","9","3","3","3","1") = "8"
    & skf18("5","1","9","3","3","4","1") = "8"
    & skf18("5","1","9","3","3","5","1") = "8"
    & skf18("5","1","9","3","3","6","1") = "8"
    & skf18("5","1","9","3","3","7","1") = "8"
    & skf18("5","1","9","3","3","8","1") = "8"
    & skf18("5","1","9","3","3","9","1") = "8"
    & skf18("5","1","9","3","3","10","1") = "9"
    & skf18("5","1","9","3","4","1","1") = "8"
    & skf18("5","1","9","3","4","2","1") = "8"
    & skf18("5","1","9","3","4","3","1") = "8"
    & skf18("5","1","9","3","4","4","1") = "8"
    & skf18("5","1","9","3","4","5","1") = "8"
    & skf18("5","1","9","3","4","6","1") = "8"
    & skf18("5","1","9","3","4","7","1") = "8"
    & skf18("5","1","9","3","4","8","1") = "8"
    & skf18("5","1","9","3","4","9","1") = "8"
    & skf18("5","1","9","3","4","10","1") = "9"
    & skf18("5","1","9","3","5","1","1") = "8"
    & skf18("5","1","9","3","5","2","1") = "8"
    & skf18("5","1","9","3","5","3","1") = "8"
    & skf18("5","1","9","3","5","4","1") = "8"
    & skf18("5","1","9","3","5","5","1") = "8"
    & skf18("5","1","9","3","5","6","1") = "8"
    & skf18("5","1","9","3","5","7","1") = "8"
    & skf18("5","1","9","3","5","8","1") = "8"
    & skf18("5","1","9","3","5","9","1") = "8"
    & skf18("5","1","9","3","5","10","1") = "9"
    & skf18("5","1","9","3","6","1","1") = "8"
    & skf18("5","1","9","3","6","2","1") = "8"
    & skf18("5","1","9","3","6","3","1") = "8"
    & skf18("5","1","9","3","6","4","1") = "8"
    & skf18("5","1","9","3","6","5","1") = "8"
    & skf18("5","1","9","3","6","6","1") = "8"
    & skf18("5","1","9","3","6","7","1") = "8"
    & skf18("5","1","9","3","6","8","1") = "8"
    & skf18("5","1","9","3","6","9","1") = "8"
    & skf18("5","1","9","3","6","10","1") = "9"
    & skf18("5","1","9","3","7","1","1") = "8"
    & skf18("5","1","9","3","7","2","1") = "8"
    & skf18("5","1","9","3","7","3","1") = "8"
    & skf18("5","1","9","3","7","4","1") = "8"
    & skf18("5","1","9","3","7","5","1") = "8"
    & skf18("5","1","9","3","7","6","1") = "8"
    & skf18("5","1","9","3","7","7","1") = "8"
    & skf18("5","1","9","3","7","8","1") = "8"
    & skf18("5","1","9","3","7","9","1") = "8"
    & skf18("5","1","9","3","7","10","1") = "9"
    & skf18("5","1","9","3","8","1","1") = "8"
    & skf18("5","1","9","3","8","2","1") = "8"
    & skf18("5","1","9","3","8","3","1") = "8"
    & skf18("5","1","9","3","8","4","1") = "8"
    & skf18("5","1","9","3","8","5","1") = "8"
    & skf18("5","1","9","3","8","6","1") = "8"
    & skf18("5","1","9","3","8","7","1") = "8"
    & skf18("5","1","9","3","8","8","1") = "8"
    & skf18("5","1","9","3","8","9","1") = "8"
    & skf18("5","1","9","3","8","10","1") = "9"
    & skf18("5","1","9","3","9","1","1") = "8"
    & skf18("5","1","9","3","9","2","1") = "8"
    & skf18("5","1","9","3","9","3","1") = "8"
    & skf18("5","1","9","3","9","4","1") = "8"
    & skf18("5","1","9","3","9","5","1") = "8"
    & skf18("5","1","9","3","9","6","1") = "8"
    & skf18("5","1","9","3","9","7","1") = "8"
    & skf18("5","1","9","3","9","8","1") = "8"
    & skf18("5","1","9","3","9","9","1") = "8"
    & skf18("5","1","9","3","9","10","1") = "9"
    & skf18("5","1","9","3","10","1","1") = "9"
    & skf18("5","1","9","3","10","2","1") = "9"
    & skf18("5","1","9","3","10","3","1") = "9"
    & skf18("5","1","9","3","10","4","1") = "9"
    & skf18("5","1","9","3","10","5","1") = "9"
    & skf18("5","1","9","3","10","6","1") = "9"
    & skf18("5","1","9","3","10","7","1") = "9"
    & skf18("5","1","9","3","10","8","1") = "9"
    & skf18("5","1","9","3","10","9","1") = "9"
    & skf18("5","1","9","3","10","10","1") = "9"
    & skf18("5","1","9","4","1","1","1") = "8"
    & skf18("5","1","9","4","1","2","1") = "8"
    & skf18("5","1","9","4","1","3","1") = "8"
    & skf18("5","1","9","4","1","4","1") = "8"
    & skf18("5","1","9","4","1","5","1") = "8"
    & skf18("5","1","9","4","1","6","1") = "8"
    & skf18("5","1","9","4","1","7","1") = "8"
    & skf18("5","1","9","4","1","8","1") = "8"
    & skf18("5","1","9","4","1","9","1") = "8"
    & skf18("5","1","9","4","1","10","1") = "9"
    & skf18("5","1","9","4","2","1","1") = "8"
    & skf18("5","1","9","4","2","2","1") = "8"
    & skf18("5","1","9","4","2","3","1") = "8"
    & skf18("5","1","9","4","2","4","1") = "8"
    & skf18("5","1","9","4","2","5","1") = "8"
    & skf18("5","1","9","4","2","6","1") = "8"
    & skf18("5","1","9","4","2","7","1") = "8"
    & skf18("5","1","9","4","2","8","1") = "8"
    & skf18("5","1","9","4","2","9","1") = "8"
    & skf18("5","1","9","4","2","10","1") = "9"
    & skf18("5","1","9","4","3","1","1") = "8"
    & skf18("5","1","9","4","3","2","1") = "8"
    & skf18("5","1","9","4","3","3","1") = "8"
    & skf18("5","1","9","4","3","4","1") = "8"
    & skf18("5","1","9","4","3","5","1") = "8"
    & skf18("5","1","9","4","3","6","1") = "8"
    & skf18("5","1","9","4","3","7","1") = "8"
    & skf18("5","1","9","4","3","8","1") = "8"
    & skf18("5","1","9","4","3","9","1") = "8"
    & skf18("5","1","9","4","3","10","1") = "9"
    & skf18("5","1","9","4","4","1","1") = "8"
    & skf18("5","1","9","4","4","2","1") = "8"
    & skf18("5","1","9","4","4","3","1") = "8"
    & skf18("5","1","9","4","4","4","1") = "8"
    & skf18("5","1","9","4","4","5","1") = "8"
    & skf18("5","1","9","4","4","6","1") = "8"
    & skf18("5","1","9","4","4","7","1") = "8"
    & skf18("5","1","9","4","4","8","1") = "8"
    & skf18("5","1","9","4","4","9","1") = "8"
    & skf18("5","1","9","4","4","10","1") = "9"
    & skf18("5","1","9","4","5","1","1") = "8"
    & skf18("5","1","9","4","5","2","1") = "8"
    & skf18("5","1","9","4","5","3","1") = "8"
    & skf18("5","1","9","4","5","4","1") = "8"
    & skf18("5","1","9","4","5","5","1") = "8"
    & skf18("5","1","9","4","5","6","1") = "8"
    & skf18("5","1","9","4","5","7","1") = "8"
    & skf18("5","1","9","4","5","8","1") = "8"
    & skf18("5","1","9","4","5","9","1") = "8"
    & skf18("5","1","9","4","5","10","1") = "9"
    & skf18("5","1","9","4","6","1","1") = "8"
    & skf18("5","1","9","4","6","2","1") = "8"
    & skf18("5","1","9","4","6","3","1") = "8"
    & skf18("5","1","9","4","6","4","1") = "8"
    & skf18("5","1","9","4","6","5","1") = "8"
    & skf18("5","1","9","4","6","6","1") = "8"
    & skf18("5","1","9","4","6","7","1") = "8"
    & skf18("5","1","9","4","6","8","1") = "8"
    & skf18("5","1","9","4","6","9","1") = "8"
    & skf18("5","1","9","4","6","10","1") = "9"
    & skf18("5","1","9","4","7","1","1") = "8"
    & skf18("5","1","9","4","7","2","1") = "8"
    & skf18("5","1","9","4","7","3","1") = "8"
    & skf18("5","1","9","4","7","4","1") = "8"
    & skf18("5","1","9","4","7","5","1") = "8"
    & skf18("5","1","9","4","7","6","1") = "8"
    & skf18("5","1","9","4","7","7","1") = "8"
    & skf18("5","1","9","4","7","8","1") = "8"
    & skf18("5","1","9","4","7","9","1") = "8"
    & skf18("5","1","9","4","7","10","1") = "9"
    & skf18("5","1","9","4","8","1","1") = "8"
    & skf18("5","1","9","4","8","2","1") = "8"
    & skf18("5","1","9","4","8","3","1") = "8"
    & skf18("5","1","9","4","8","4","1") = "8"
    & skf18("5","1","9","4","8","5","1") = "8"
    & skf18("5","1","9","4","8","6","1") = "8"
    & skf18("5","1","9","4","8","7","1") = "8"
    & skf18("5","1","9","4","8","8","1") = "8"
    & skf18("5","1","9","4","8","9","1") = "8"
    & skf18("5","1","9","4","8","10","1") = "9"
    & skf18("5","1","9","4","9","1","1") = "8"
    & skf18("5","1","9","4","9","2","1") = "8"
    & skf18("5","1","9","4","9","3","1") = "8"
    & skf18("5","1","9","4","9","4","1") = "8"
    & skf18("5","1","9","4","9","5","1") = "8"
    & skf18("5","1","9","4","9","6","1") = "8"
    & skf18("5","1","9","4","9","7","1") = "8"
    & skf18("5","1","9","4","9","8","1") = "8"
    & skf18("5","1","9","4","9","9","1") = "8"
    & skf18("5","1","9","4","9","10","1") = "9"
    & skf18("5","1","9","4","10","1","1") = "9"
    & skf18("5","1","9","4","10","2","1") = "9"
    & skf18("5","1","9","4","10","3","1") = "9"
    & skf18("5","1","9","4","10","4","1") = "9"
    & skf18("5","1","9","4","10","5","1") = "9"
    & skf18("5","1","9","4","10","6","1") = "9"
    & skf18("5","1","9","4","10","7","1") = "9"
    & skf18("5","1","9","4","10","8","1") = "9"
    & skf18("5","1","9","4","10","9","1") = "9"
    & skf18("5","1","9","4","10","10","1") = "9"
    & skf18("5","1","9","5","1","1","1") = "8"
    & skf18("5","1","9","5","1","2","1") = "8"
    & skf18("5","1","9","5","1","3","1") = "8"
    & skf18("5","1","9","5","1","4","1") = "8"
    & skf18("5","1","9","5","1","5","1") = "8"
    & skf18("5","1","9","5","1","6","1") = "8"
    & skf18("5","1","9","5","1","7","1") = "8"
    & skf18("5","1","9","5","1","8","1") = "8"
    & skf18("5","1","9","5","1","9","1") = "8"
    & skf18("5","1","9","5","1","10","1") = "9"
    & skf18("5","1","9","5","2","1","1") = "8"
    & skf18("5","1","9","5","2","2","1") = "8"
    & skf18("5","1","9","5","2","3","1") = "8"
    & skf18("5","1","9","5","2","4","1") = "8"
    & skf18("5","1","9","5","2","5","1") = "8"
    & skf18("5","1","9","5","2","6","1") = "8"
    & skf18("5","1","9","5","2","7","1") = "8"
    & skf18("5","1","9","5","2","8","1") = "8"
    & skf18("5","1","9","5","2","9","1") = "8"
    & skf18("5","1","9","5","2","10","1") = "9"
    & skf18("5","1","9","5","3","1","1") = "8"
    & skf18("5","1","9","5","3","2","1") = "8"
    & skf18("5","1","9","5","3","3","1") = "8"
    & skf18("5","1","9","5","3","4","1") = "8"
    & skf18("5","1","9","5","3","5","1") = "8"
    & skf18("5","1","9","5","3","6","1") = "8"
    & skf18("5","1","9","5","3","7","1") = "8"
    & skf18("5","1","9","5","3","8","1") = "8"
    & skf18("5","1","9","5","3","9","1") = "8"
    & skf18("5","1","9","5","3","10","1") = "9"
    & skf18("5","1","9","5","4","1","1") = "8"
    & skf18("5","1","9","5","4","2","1") = "8"
    & skf18("5","1","9","5","4","3","1") = "8"
    & skf18("5","1","9","5","4","4","1") = "8"
    & skf18("5","1","9","5","4","5","1") = "8"
    & skf18("5","1","9","5","4","6","1") = "8"
    & skf18("5","1","9","5","4","7","1") = "8"
    & skf18("5","1","9","5","4","8","1") = "8"
    & skf18("5","1","9","5","4","9","1") = "8"
    & skf18("5","1","9","5","4","10","1") = "9"
    & skf18("5","1","9","5","5","1","1") = "8"
    & skf18("5","1","9","5","5","2","1") = "8"
    & skf18("5","1","9","5","5","3","1") = "8"
    & skf18("5","1","9","5","5","4","1") = "8"
    & skf18("5","1","9","5","5","5","1") = "8"
    & skf18("5","1","9","5","5","6","1") = "8"
    & skf18("5","1","9","5","5","7","1") = "8"
    & skf18("5","1","9","5","5","8","1") = "8"
    & skf18("5","1","9","5","5","9","1") = "8"
    & skf18("5","1","9","5","5","10","1") = "9"
    & skf18("5","1","9","5","6","1","1") = "8"
    & skf18("5","1","9","5","6","2","1") = "8"
    & skf18("5","1","9","5","6","3","1") = "8"
    & skf18("5","1","9","5","6","4","1") = "8"
    & skf18("5","1","9","5","6","5","1") = "8"
    & skf18("5","1","9","5","6","6","1") = "8"
    & skf18("5","1","9","5","6","7","1") = "8"
    & skf18("5","1","9","5","6","8","1") = "8"
    & skf18("5","1","9","5","6","9","1") = "8"
    & skf18("5","1","9","5","6","10","1") = "9"
    & skf18("5","1","9","5","7","1","1") = "8"
    & skf18("5","1","9","5","7","2","1") = "8"
    & skf18("5","1","9","5","7","3","1") = "8"
    & skf18("5","1","9","5","7","4","1") = "8"
    & skf18("5","1","9","5","7","5","1") = "8"
    & skf18("5","1","9","5","7","6","1") = "8"
    & skf18("5","1","9","5","7","7","1") = "8"
    & skf18("5","1","9","5","7","8","1") = "8"
    & skf18("5","1","9","5","7","9","1") = "8"
    & skf18("5","1","9","5","7","10","1") = "9"
    & skf18("5","1","9","5","8","1","1") = "8"
    & skf18("5","1","9","5","8","2","1") = "8"
    & skf18("5","1","9","5","8","3","1") = "8"
    & skf18("5","1","9","5","8","4","1") = "8"
    & skf18("5","1","9","5","8","5","1") = "8"
    & skf18("5","1","9","5","8","6","1") = "8"
    & skf18("5","1","9","5","8","7","1") = "8"
    & skf18("5","1","9","5","8","8","1") = "8"
    & skf18("5","1","9","5","8","9","1") = "8"
    & skf18("5","1","9","5","8","10","1") = "9"
    & skf18("5","1","9","5","9","1","1") = "8"
    & skf18("5","1","9","5","9","2","1") = "8"
    & skf18("5","1","9","5","9","3","1") = "8"
    & skf18("5","1","9","5","9","4","1") = "8"
    & skf18("5","1","9","5","9","5","1") = "8"
    & skf18("5","1","9","5","9","6","1") = "8"
    & skf18("5","1","9","5","9","7","1") = "8"
    & skf18("5","1","9","5","9","8","1") = "8"
    & skf18("5","1","9","5","9","9","1") = "8"
    & skf18("5","1","9","5","9","10","1") = "9"
    & skf18("5","1","9","5","10","1","1") = "9"
    & skf18("5","1","9","5","10","2","1") = "9"
    & skf18("5","1","9","5","10","3","1") = "9"
    & skf18("5","1","9","5","10","4","1") = "9"
    & skf18("5","1","9","5","10","5","1") = "9"
    & skf18("5","1","9","5","10","6","1") = "9"
    & skf18("5","1","9","5","10","7","1") = "9"
    & skf18("5","1","9","5","10","8","1") = "9"
    & skf18("5","1","9","5","10","9","1") = "9"
    & skf18("5","1","9","5","10","10","1") = "9"
    & skf18("5","1","9","6","1","1","1") = "8"
    & skf18("5","1","9","6","1","2","1") = "8"
    & skf18("5","1","9","6","1","3","1") = "8"
    & skf18("5","1","9","6","1","4","1") = "8"
    & skf18("5","1","9","6","1","5","1") = "8"
    & skf18("5","1","9","6","1","6","1") = "8"
    & skf18("5","1","9","6","1","7","1") = "8"
    & skf18("5","1","9","6","1","8","1") = "8"
    & skf18("5","1","9","6","1","9","1") = "8"
    & skf18("5","1","9","6","1","10","1") = "9"
    & skf18("5","1","9","6","2","1","1") = "8"
    & skf18("5","1","9","6","2","2","1") = "8"
    & skf18("5","1","9","6","2","3","1") = "8"
    & skf18("5","1","9","6","2","4","1") = "8"
    & skf18("5","1","9","6","2","5","1") = "8"
    & skf18("5","1","9","6","2","6","1") = "8"
    & skf18("5","1","9","6","2","7","1") = "8"
    & skf18("5","1","9","6","2","8","1") = "8"
    & skf18("5","1","9","6","2","9","1") = "8"
    & skf18("5","1","9","6","2","10","1") = "9"
    & skf18("5","1","9","6","3","1","1") = "8"
    & skf18("5","1","9","6","3","2","1") = "8"
    & skf18("5","1","9","6","3","3","1") = "8"
    & skf18("5","1","9","6","3","4","1") = "8"
    & skf18("5","1","9","6","3","5","1") = "8"
    & skf18("5","1","9","6","3","6","1") = "8"
    & skf18("5","1","9","6","3","7","1") = "8"
    & skf18("5","1","9","6","3","8","1") = "8"
    & skf18("5","1","9","6","3","9","1") = "8"
    & skf18("5","1","9","6","3","10","1") = "9"
    & skf18("5","1","9","6","4","1","1") = "8"
    & skf18("5","1","9","6","4","2","1") = "8"
    & skf18("5","1","9","6","4","3","1") = "8"
    & skf18("5","1","9","6","4","4","1") = "8"
    & skf18("5","1","9","6","4","5","1") = "8"
    & skf18("5","1","9","6","4","6","1") = "8"
    & skf18("5","1","9","6","4","7","1") = "8"
    & skf18("5","1","9","6","4","8","1") = "8"
    & skf18("5","1","9","6","4","9","1") = "8"
    & skf18("5","1","9","6","4","10","1") = "9"
    & skf18("5","1","9","6","5","1","1") = "8"
    & skf18("5","1","9","6","5","2","1") = "8"
    & skf18("5","1","9","6","5","3","1") = "8"
    & skf18("5","1","9","6","5","4","1") = "8"
    & skf18("5","1","9","6","5","5","1") = "8"
    & skf18("5","1","9","6","5","6","1") = "8"
    & skf18("5","1","9","6","5","7","1") = "8"
    & skf18("5","1","9","6","5","8","1") = "8"
    & skf18("5","1","9","6","5","9","1") = "8"
    & skf18("5","1","9","6","5","10","1") = "9"
    & skf18("5","1","9","6","6","1","1") = "8"
    & skf18("5","1","9","6","6","2","1") = "8"
    & skf18("5","1","9","6","6","3","1") = "8"
    & skf18("5","1","9","6","6","4","1") = "8"
    & skf18("5","1","9","6","6","5","1") = "8"
    & skf18("5","1","9","6","6","6","1") = "8"
    & skf18("5","1","9","6","6","7","1") = "8"
    & skf18("5","1","9","6","6","8","1") = "8"
    & skf18("5","1","9","6","6","9","1") = "8"
    & skf18("5","1","9","6","6","10","1") = "9"
    & skf18("5","1","9","6","7","1","1") = "8"
    & skf18("5","1","9","6","7","2","1") = "8"
    & skf18("5","1","9","6","7","3","1") = "8"
    & skf18("5","1","9","6","7","4","1") = "8"
    & skf18("5","1","9","6","7","5","1") = "8"
    & skf18("5","1","9","6","7","6","1") = "8"
    & skf18("5","1","9","6","7","7","1") = "8"
    & skf18("5","1","9","6","7","8","1") = "8"
    & skf18("5","1","9","6","7","9","1") = "8"
    & skf18("5","1","9","6","7","10","1") = "9"
    & skf18("5","1","9","6","8","1","1") = "8"
    & skf18("5","1","9","6","8","2","1") = "8"
    & skf18("5","1","9","6","8","3","1") = "8"
    & skf18("5","1","9","6","8","4","1") = "8"
    & skf18("5","1","9","6","8","5","1") = "8"
    & skf18("5","1","9","6","8","6","1") = "8"
    & skf18("5","1","9","6","8","7","1") = "8"
    & skf18("5","1","9","6","8","8","1") = "8"
    & skf18("5","1","9","6","8","9","1") = "8"
    & skf18("5","1","9","6","8","10","1") = "9"
    & skf18("5","1","9","6","9","1","1") = "8"
    & skf18("5","1","9","6","9","2","1") = "8"
    & skf18("5","1","9","6","9","3","1") = "8"
    & skf18("5","1","9","6","9","4","1") = "8"
    & skf18("5","1","9","6","9","5","1") = "8"
    & skf18("5","1","9","6","9","6","1") = "8"
    & skf18("5","1","9","6","9","7","1") = "8"
    & skf18("5","1","9","6","9","8","1") = "8"
    & skf18("5","1","9","6","9","9","1") = "8"
    & skf18("5","1","9","6","9","10","1") = "9"
    & skf18("5","1","9","6","10","1","1") = "9"
    & skf18("5","1","9","6","10","2","1") = "9"
    & skf18("5","1","9","6","10","3","1") = "9"
    & skf18("5","1","9","6","10","4","1") = "9"
    & skf18("5","1","9","6","10","5","1") = "9"
    & skf18("5","1","9","6","10","6","1") = "9"
    & skf18("5","1","9","6","10","7","1") = "9"
    & skf18("5","1","9","6","10","8","1") = "9"
    & skf18("5","1","9","6","10","9","1") = "9"
    & skf18("5","1","9","6","10","10","1") = "9"
    & skf18("5","1","9","7","1","1","1") = "8"
    & skf18("5","1","9","7","1","2","1") = "8"
    & skf18("5","1","9","7","1","3","1") = "8"
    & skf18("5","1","9","7","1","4","1") = "8"
    & skf18("5","1","9","7","1","5","1") = "8"
    & skf18("5","1","9","7","1","6","1") = "8"
    & skf18("5","1","9","7","1","7","1") = "8"
    & skf18("5","1","9","7","1","8","1") = "8"
    & skf18("5","1","9","7","1","9","1") = "8"
    & skf18("5","1","9","7","1","10","1") = "9"
    & skf18("5","1","9","7","2","1","1") = "8"
    & skf18("5","1","9","7","2","2","1") = "8"
    & skf18("5","1","9","7","2","3","1") = "8"
    & skf18("5","1","9","7","2","4","1") = "8"
    & skf18("5","1","9","7","2","5","1") = "8"
    & skf18("5","1","9","7","2","6","1") = "8"
    & skf18("5","1","9","7","2","7","1") = "8"
    & skf18("5","1","9","7","2","8","1") = "8"
    & skf18("5","1","9","7","2","9","1") = "8"
    & skf18("5","1","9","7","2","10","1") = "9"
    & skf18("5","1","9","7","3","1","1") = "8"
    & skf18("5","1","9","7","3","2","1") = "8"
    & skf18("5","1","9","7","3","3","1") = "8"
    & skf18("5","1","9","7","3","4","1") = "8"
    & skf18("5","1","9","7","3","5","1") = "8"
    & skf18("5","1","9","7","3","6","1") = "8"
    & skf18("5","1","9","7","3","7","1") = "8"
    & skf18("5","1","9","7","3","8","1") = "8"
    & skf18("5","1","9","7","3","9","1") = "8"
    & skf18("5","1","9","7","3","10","1") = "9"
    & skf18("5","1","9","7","4","1","1") = "8"
    & skf18("5","1","9","7","4","2","1") = "8"
    & skf18("5","1","9","7","4","3","1") = "8"
    & skf18("5","1","9","7","4","4","1") = "8"
    & skf18("5","1","9","7","4","5","1") = "8"
    & skf18("5","1","9","7","4","6","1") = "8"
    & skf18("5","1","9","7","4","7","1") = "8"
    & skf18("5","1","9","7","4","8","1") = "8"
    & skf18("5","1","9","7","4","9","1") = "8"
    & skf18("5","1","9","7","4","10","1") = "9"
    & skf18("5","1","9","7","5","1","1") = "8"
    & skf18("5","1","9","7","5","2","1") = "8"
    & skf18("5","1","9","7","5","3","1") = "8"
    & skf18("5","1","9","7","5","4","1") = "8"
    & skf18("5","1","9","7","5","5","1") = "8"
    & skf18("5","1","9","7","5","6","1") = "8"
    & skf18("5","1","9","7","5","7","1") = "8"
    & skf18("5","1","9","7","5","8","1") = "8"
    & skf18("5","1","9","7","5","9","1") = "8"
    & skf18("5","1","9","7","5","10","1") = "9"
    & skf18("5","1","9","7","6","1","1") = "8"
    & skf18("5","1","9","7","6","2","1") = "8"
    & skf18("5","1","9","7","6","3","1") = "8"
    & skf18("5","1","9","7","6","4","1") = "8"
    & skf18("5","1","9","7","6","5","1") = "8"
    & skf18("5","1","9","7","6","6","1") = "8"
    & skf18("5","1","9","7","6","7","1") = "8"
    & skf18("5","1","9","7","6","8","1") = "8"
    & skf18("5","1","9","7","6","9","1") = "8"
    & skf18("5","1","9","7","6","10","1") = "9"
    & skf18("5","1","9","7","7","1","1") = "8"
    & skf18("5","1","9","7","7","2","1") = "8"
    & skf18("5","1","9","7","7","3","1") = "8"
    & skf18("5","1","9","7","7","4","1") = "8"
    & skf18("5","1","9","7","7","5","1") = "8"
    & skf18("5","1","9","7","7","6","1") = "8"
    & skf18("5","1","9","7","7","7","1") = "8"
    & skf18("5","1","9","7","7","8","1") = "8"
    & skf18("5","1","9","7","7","9","1") = "8"
    & skf18("5","1","9","7","7","10","1") = "9"
    & skf18("5","1","9","7","8","1","1") = "8"
    & skf18("5","1","9","7","8","2","1") = "8"
    & skf18("5","1","9","7","8","3","1") = "8"
    & skf18("5","1","9","7","8","4","1") = "8"
    & skf18("5","1","9","7","8","5","1") = "8"
    & skf18("5","1","9","7","8","6","1") = "8"
    & skf18("5","1","9","7","8","7","1") = "8"
    & skf18("5","1","9","7","8","8","1") = "8"
    & skf18("5","1","9","7","8","9","1") = "8"
    & skf18("5","1","9","7","8","10","1") = "9"
    & skf18("5","1","9","7","9","1","1") = "8"
    & skf18("5","1","9","7","9","2","1") = "8"
    & skf18("5","1","9","7","9","3","1") = "8"
    & skf18("5","1","9","7","9","4","1") = "8"
    & skf18("5","1","9","7","9","5","1") = "8"
    & skf18("5","1","9","7","9","6","1") = "8"
    & skf18("5","1","9","7","9","7","1") = "8"
    & skf18("5","1","9","7","9","8","1") = "8"
    & skf18("5","1","9","7","9","9","1") = "8"
    & skf18("5","1","9","7","9","10","1") = "9"
    & skf18("5","1","9","7","10","1","1") = "9"
    & skf18("5","1","9","7","10","2","1") = "9"
    & skf18("5","1","9","7","10","3","1") = "9"
    & skf18("5","1","9","7","10","4","1") = "9"
    & skf18("5","1","9","7","10","5","1") = "9"
    & skf18("5","1","9","7","10","6","1") = "9"
    & skf18("5","1","9","7","10","7","1") = "9"
    & skf18("5","1","9","7","10","8","1") = "9"
    & skf18("5","1","9","7","10","9","1") = "9"
    & skf18("5","1","9","7","10","10","1") = "9"
    & skf18("5","1","9","8","1","1","1") = "8"
    & skf18("5","1","9","8","1","2","1") = "8"
    & skf18("5","1","9","8","1","3","1") = "8"
    & skf18("5","1","9","8","1","4","1") = "8"
    & skf18("5","1","9","8","1","5","1") = "8"
    & skf18("5","1","9","8","1","6","1") = "8"
    & skf18("5","1","9","8","1","7","1") = "8"
    & skf18("5","1","9","8","1","8","1") = "8"
    & skf18("5","1","9","8","1","9","1") = "8"
    & skf18("5","1","9","8","1","10","1") = "9"
    & skf18("5","1","9","8","2","1","1") = "8"
    & skf18("5","1","9","8","2","2","1") = "8"
    & skf18("5","1","9","8","2","3","1") = "8"
    & skf18("5","1","9","8","2","4","1") = "8"
    & skf18("5","1","9","8","2","5","1") = "8"
    & skf18("5","1","9","8","2","6","1") = "8"
    & skf18("5","1","9","8","2","7","1") = "8"
    & skf18("5","1","9","8","2","8","1") = "8"
    & skf18("5","1","9","8","2","9","1") = "8"
    & skf18("5","1","9","8","2","10","1") = "9"
    & skf18("5","1","9","8","3","1","1") = "8"
    & skf18("5","1","9","8","3","2","1") = "8"
    & skf18("5","1","9","8","3","3","1") = "8"
    & skf18("5","1","9","8","3","4","1") = "8"
    & skf18("5","1","9","8","3","5","1") = "8"
    & skf18("5","1","9","8","3","6","1") = "8"
    & skf18("5","1","9","8","3","7","1") = "8"
    & skf18("5","1","9","8","3","8","1") = "8"
    & skf18("5","1","9","8","3","9","1") = "8"
    & skf18("5","1","9","8","3","10","1") = "9"
    & skf18("5","1","9","8","4","1","1") = "8"
    & skf18("5","1","9","8","4","2","1") = "8"
    & skf18("5","1","9","8","4","3","1") = "8"
    & skf18("5","1","9","8","4","4","1") = "8"
    & skf18("5","1","9","8","4","5","1") = "8"
    & skf18("5","1","9","8","4","6","1") = "8"
    & skf18("5","1","9","8","4","7","1") = "8"
    & skf18("5","1","9","8","4","8","1") = "8"
    & skf18("5","1","9","8","4","9","1") = "8"
    & skf18("5","1","9","8","4","10","1") = "9"
    & skf18("5","1","9","8","5","1","1") = "8"
    & skf18("5","1","9","8","5","2","1") = "8"
    & skf18("5","1","9","8","5","3","1") = "8"
    & skf18("5","1","9","8","5","4","1") = "8"
    & skf18("5","1","9","8","5","5","1") = "8"
    & skf18("5","1","9","8","5","6","1") = "8"
    & skf18("5","1","9","8","5","7","1") = "8"
    & skf18("5","1","9","8","5","8","1") = "8"
    & skf18("5","1","9","8","5","9","1") = "8"
    & skf18("5","1","9","8","5","10","1") = "9"
    & skf18("5","1","9","8","6","1","1") = "8"
    & skf18("5","1","9","8","6","2","1") = "8"
    & skf18("5","1","9","8","6","3","1") = "8"
    & skf18("5","1","9","8","6","4","1") = "8"
    & skf18("5","1","9","8","6","5","1") = "8"
    & skf18("5","1","9","8","6","6","1") = "8"
    & skf18("5","1","9","8","6","7","1") = "8"
    & skf18("5","1","9","8","6","8","1") = "8"
    & skf18("5","1","9","8","6","9","1") = "8"
    & skf18("5","1","9","8","6","10","1") = "9"
    & skf18("5","1","9","8","7","1","1") = "8"
    & skf18("5","1","9","8","7","2","1") = "8"
    & skf18("5","1","9","8","7","3","1") = "8"
    & skf18("5","1","9","8","7","4","1") = "8"
    & skf18("5","1","9","8","7","5","1") = "8"
    & skf18("5","1","9","8","7","6","1") = "8"
    & skf18("5","1","9","8","7","7","1") = "8"
    & skf18("5","1","9","8","7","8","1") = "8"
    & skf18("5","1","9","8","7","9","1") = "8"
    & skf18("5","1","9","8","7","10","1") = "9"
    & skf18("5","1","9","8","8","1","1") = "8"
    & skf18("5","1","9","8","8","2","1") = "8"
    & skf18("5","1","9","8","8","3","1") = "8"
    & skf18("5","1","9","8","8","4","1") = "8"
    & skf18("5","1","9","8","8","5","1") = "8"
    & skf18("5","1","9","8","8","6","1") = "8"
    & skf18("5","1","9","8","8","7","1") = "8"
    & skf18("5","1","9","8","8","8","1") = "8"
    & skf18("5","1","9","8","8","9","1") = "8"
    & skf18("5","1","9","8","8","10","1") = "9"
    & skf18("5","1","9","8","9","1","1") = "8"
    & skf18("5","1","9","8","9","2","1") = "8"
    & skf18("5","1","9","8","9","3","1") = "8"
    & skf18("5","1","9","8","9","4","1") = "8"
    & skf18("5","1","9","8","9","5","1") = "8"
    & skf18("5","1","9","8","9","6","1") = "8"
    & skf18("5","1","9","8","9","7","1") = "8"
    & skf18("5","1","9","8","9","8","1") = "8"
    & skf18("5","1","9","8","9","9","1") = "8"
    & skf18("5","1","9","8","9","10","1") = "9"
    & skf18("5","1","9","8","10","1","1") = "9"
    & skf18("5","1","9","8","10","2","1") = "9"
    & skf18("5","1","9","8","10","3","1") = "9"
    & skf18("5","1","9","8","10","4","1") = "9"
    & skf18("5","1","9","8","10","5","1") = "9"
    & skf18("5","1","9","8","10","6","1") = "9"
    & skf18("5","1","9","8","10","7","1") = "9"
    & skf18("5","1","9","8","10","8","1") = "9"
    & skf18("5","1","9","8","10","9","1") = "9"
    & skf18("5","1","9","8","10","10","1") = "9"
    & skf18("5","1","9","9","1","1","1") = "8"
    & skf18("5","1","9","9","1","2","1") = "8"
    & skf18("5","1","9","9","1","3","1") = "8"
    & skf18("5","1","9","9","1","4","1") = "8"
    & skf18("5","1","9","9","1","5","1") = "8"
    & skf18("5","1","9","9","1","6","1") = "8"
    & skf18("5","1","9","9","1","7","1") = "8"
    & skf18("5","1","9","9","1","8","1") = "8"
    & skf18("5","1","9","9","1","9","1") = "8"
    & skf18("5","1","9","9","1","10","1") = "9"
    & skf18("5","1","9","9","2","1","1") = "8"
    & skf18("5","1","9","9","2","2","1") = "8"
    & skf18("5","1","9","9","2","3","1") = "8"
    & skf18("5","1","9","9","2","4","1") = "8"
    & skf18("5","1","9","9","2","5","1") = "8"
    & skf18("5","1","9","9","2","6","1") = "8"
    & skf18("5","1","9","9","2","7","1") = "8"
    & skf18("5","1","9","9","2","8","1") = "8"
    & skf18("5","1","9","9","2","9","1") = "8"
    & skf18("5","1","9","9","2","10","1") = "9"
    & skf18("5","1","9","9","3","1","1") = "8"
    & skf18("5","1","9","9","3","2","1") = "8"
    & skf18("5","1","9","9","3","3","1") = "8"
    & skf18("5","1","9","9","3","4","1") = "8"
    & skf18("5","1","9","9","3","5","1") = "8"
    & skf18("5","1","9","9","3","6","1") = "8"
    & skf18("5","1","9","9","3","7","1") = "8"
    & skf18("5","1","9","9","3","8","1") = "8"
    & skf18("5","1","9","9","3","9","1") = "8"
    & skf18("5","1","9","9","3","10","1") = "9"
    & skf18("5","1","9","9","4","1","1") = "8"
    & skf18("5","1","9","9","4","2","1") = "8"
    & skf18("5","1","9","9","4","3","1") = "8"
    & skf18("5","1","9","9","4","4","1") = "8"
    & skf18("5","1","9","9","4","5","1") = "8"
    & skf18("5","1","9","9","4","6","1") = "8"
    & skf18("5","1","9","9","4","7","1") = "8"
    & skf18("5","1","9","9","4","8","1") = "8"
    & skf18("5","1","9","9","4","9","1") = "8"
    & skf18("5","1","9","9","4","10","1") = "9"
    & skf18("5","1","9","9","5","1","1") = "8"
    & skf18("5","1","9","9","5","2","1") = "8"
    & skf18("5","1","9","9","5","3","1") = "8"
    & skf18("5","1","9","9","5","4","1") = "8"
    & skf18("5","1","9","9","5","5","1") = "8"
    & skf18("5","1","9","9","5","6","1") = "8"
    & skf18("5","1","9","9","5","7","1") = "8"
    & skf18("5","1","9","9","5","8","1") = "8"
    & skf18("5","1","9","9","5","9","1") = "8"
    & skf18("5","1","9","9","5","10","1") = "9"
    & skf18("5","1","9","9","6","1","1") = "8"
    & skf18("5","1","9","9","6","2","1") = "8"
    & skf18("5","1","9","9","6","3","1") = "8"
    & skf18("5","1","9","9","6","4","1") = "8"
    & skf18("5","1","9","9","6","5","1") = "8"
    & skf18("5","1","9","9","6","6","1") = "8"
    & skf18("5","1","9","9","6","7","1") = "8"
    & skf18("5","1","9","9","6","8","1") = "8"
    & skf18("5","1","9","9","6","9","1") = "8"
    & skf18("5","1","9","9","6","10","1") = "9"
    & skf18("5","1","9","9","7","1","1") = "8"
    & skf18("5","1","9","9","7","2","1") = "8"
    & skf18("5","1","9","9","7","3","1") = "8"
    & skf18("5","1","9","9","7","4","1") = "8"
    & skf18("5","1","9","9","7","5","1") = "8"
    & skf18("5","1","9","9","7","6","1") = "8"
    & skf18("5","1","9","9","7","7","1") = "8"
    & skf18("5","1","9","9","7","8","1") = "8"
    & skf18("5","1","9","9","7","9","1") = "8"
    & skf18("5","1","9","9","7","10","1") = "9"
    & skf18("5","1","9","9","8","1","1") = "8"
    & skf18("5","1","9","9","8","2","1") = "8"
    & skf18("5","1","9","9","8","3","1") = "8"
    & skf18("5","1","9","9","8","4","1") = "8"
    & skf18("5","1","9","9","8","5","1") = "8"
    & skf18("5","1","9","9","8","6","1") = "8"
    & skf18("5","1","9","9","8","7","1") = "8"
    & skf18("5","1","9","9","8","8","1") = "8"
    & skf18("5","1","9","9","8","9","1") = "8"
    & skf18("5","1","9","9","8","10","1") = "9"
    & skf18("5","1","9","9","9","1","1") = "8"
    & skf18("5","1","9","9","9","2","1") = "8"
    & skf18("5","1","9","9","9","3","1") = "8"
    & skf18("5","1","9","9","9","4","1") = "8"
    & skf18("5","1","9","9","9","5","1") = "8"
    & skf18("5","1","9","9","9","6","1") = "8"
    & skf18("5","1","9","9","9","7","1") = "8"
    & skf18("5","1","9","9","9","8","1") = "8"
    & skf18("5","1","9","9","9","9","1") = "8"
    & skf18("5","1","9","9","9","10","1") = "9"
    & skf18("5","1","9","9","10","1","1") = "9"
    & skf18("5","1","9","9","10","2","1") = "9"
    & skf18("5","1","9","9","10","3","1") = "9"
    & skf18("5","1","9","9","10","4","1") = "9"
    & skf18("5","1","9","9","10","5","1") = "9"
    & skf18("5","1","9","9","10","6","1") = "9"
    & skf18("5","1","9","9","10","7","1") = "9"
    & skf18("5","1","9","9","10","8","1") = "9"
    & skf18("5","1","9","9","10","9","1") = "9"
    & skf18("5","1","9","9","10","10","1") = "9"
    & skf18("5","1","9","10","1","1","1") = "9"
    & skf18("5","1","9","10","1","2","1") = "9"
    & skf18("5","1","9","10","1","3","1") = "9"
    & skf18("5","1","9","10","1","4","1") = "9"
    & skf18("5","1","9","10","1","5","1") = "9"
    & skf18("5","1","9","10","1","6","1") = "9"
    & skf18("5","1","9","10","1","7","1") = "9"
    & skf18("5","1","9","10","1","8","1") = "9"
    & skf18("5","1","9","10","1","9","1") = "9"
    & skf18("5","1","9","10","1","10","1") = "9"
    & skf18("5","1","9","10","2","1","1") = "9"
    & skf18("5","1","9","10","2","2","1") = "9"
    & skf18("5","1","9","10","2","3","1") = "9"
    & skf18("5","1","9","10","2","4","1") = "9"
    & skf18("5","1","9","10","2","5","1") = "9"
    & skf18("5","1","9","10","2","6","1") = "9"
    & skf18("5","1","9","10","2","7","1") = "9"
    & skf18("5","1","9","10","2","8","1") = "9"
    & skf18("5","1","9","10","2","9","1") = "9"
    & skf18("5","1","9","10","2","10","1") = "9"
    & skf18("5","1","9","10","3","1","1") = "9"
    & skf18("5","1","9","10","3","2","1") = "9"
    & skf18("5","1","9","10","3","3","1") = "9"
    & skf18("5","1","9","10","3","4","1") = "9"
    & skf18("5","1","9","10","3","5","1") = "9"
    & skf18("5","1","9","10","3","6","1") = "9"
    & skf18("5","1","9","10","3","7","1") = "9"
    & skf18("5","1","9","10","3","8","1") = "9"
    & skf18("5","1","9","10","3","9","1") = "9"
    & skf18("5","1","9","10","3","10","1") = "9"
    & skf18("5","1","9","10","4","1","1") = "9"
    & skf18("5","1","9","10","4","2","1") = "9"
    & skf18("5","1","9","10","4","3","1") = "9"
    & skf18("5","1","9","10","4","4","1") = "9"
    & skf18("5","1","9","10","4","5","1") = "9"
    & skf18("5","1","9","10","4","6","1") = "9"
    & skf18("5","1","9","10","4","7","1") = "9"
    & skf18("5","1","9","10","4","8","1") = "9"
    & skf18("5","1","9","10","4","9","1") = "9"
    & skf18("5","1","9","10","4","10","1") = "9"
    & skf18("5","1","9","10","5","1","1") = "9"
    & skf18("5","1","9","10","5","2","1") = "9"
    & skf18("5","1","9","10","5","3","1") = "9"
    & skf18("5","1","9","10","5","4","1") = "9"
    & skf18("5","1","9","10","5","5","1") = "9"
    & skf18("5","1","9","10","5","6","1") = "9"
    & skf18("5","1","9","10","5","7","1") = "9"
    & skf18("5","1","9","10","5","8","1") = "9"
    & skf18("5","1","9","10","5","9","1") = "9"
    & skf18("5","1","9","10","5","10","1") = "9"
    & skf18("5","1","9","10","6","1","1") = "9"
    & skf18("5","1","9","10","6","2","1") = "9"
    & skf18("5","1","9","10","6","3","1") = "9"
    & skf18("5","1","9","10","6","4","1") = "9"
    & skf18("5","1","9","10","6","5","1") = "9"
    & skf18("5","1","9","10","6","6","1") = "9"
    & skf18("5","1","9","10","6","7","1") = "9"
    & skf18("5","1","9","10","6","8","1") = "9"
    & skf18("5","1","9","10","6","9","1") = "9"
    & skf18("5","1","9","10","6","10","1") = "9"
    & skf18("5","1","9","10","7","1","1") = "9"
    & skf18("5","1","9","10","7","2","1") = "9"
    & skf18("5","1","9","10","7","3","1") = "9"
    & skf18("5","1","9","10","7","4","1") = "9"
    & skf18("5","1","9","10","7","5","1") = "9"
    & skf18("5","1","9","10","7","6","1") = "9"
    & skf18("5","1","9","10","7","7","1") = "9"
    & skf18("5","1","9","10","7","8","1") = "9"
    & skf18("5","1","9","10","7","9","1") = "9"
    & skf18("5","1","9","10","7","10","1") = "9"
    & skf18("5","1","9","10","8","1","1") = "9"
    & skf18("5","1","9","10","8","2","1") = "9"
    & skf18("5","1","9","10","8","3","1") = "9"
    & skf18("5","1","9","10","8","4","1") = "9"
    & skf18("5","1","9","10","8","5","1") = "9"
    & skf18("5","1","9","10","8","6","1") = "9"
    & skf18("5","1","9","10","8","7","1") = "9"
    & skf18("5","1","9","10","8","8","1") = "9"
    & skf18("5","1","9","10","8","9","1") = "9"
    & skf18("5","1","9","10","8","10","1") = "9"
    & skf18("5","1","9","10","9","1","1") = "9"
    & skf18("5","1","9","10","9","2","1") = "9"
    & skf18("5","1","9","10","9","3","1") = "9"
    & skf18("5","1","9","10","9","4","1") = "9"
    & skf18("5","1","9","10","9","5","1") = "9"
    & skf18("5","1","9","10","9","6","1") = "9"
    & skf18("5","1","9","10","9","7","1") = "9"
    & skf18("5","1","9","10","9","8","1") = "9"
    & skf18("5","1","9","10","9","9","1") = "9"
    & skf18("5","1","9","10","9","10","1") = "9"
    & skf18("5","1","9","10","10","1","1") = "9"
    & skf18("5","1","9","10","10","2","1") = "9"
    & skf18("5","1","9","10","10","3","1") = "9"
    & skf18("5","1","9","10","10","4","1") = "9"
    & skf18("5","1","9","10","10","5","1") = "9"
    & skf18("5","1","9","10","10","6","1") = "9"
    & skf18("5","1","9","10","10","7","1") = "9"
    & skf18("5","1","9","10","10","8","1") = "9"
    & skf18("5","1","9","10","10","9","1") = "9"
    & skf18("5","1","9","10","10","10","1") = "9"
    & skf18("5","1","10","1","1","1","1") = "9"
    & skf18("5","1","10","1","1","2","1") = "9"
    & skf18("5","1","10","1","1","3","1") = "9"
    & skf18("5","1","10","1","1","4","1") = "9"
    & skf18("5","1","10","1","1","5","1") = "9"
    & skf18("5","1","10","1","1","6","1") = "9"
    & skf18("5","1","10","1","1","7","1") = "9"
    & skf18("5","1","10","1","1","8","1") = "9"
    & skf18("5","1","10","1","1","9","1") = "9"
    & skf18("5","1","10","1","1","10","1") = "9"
    & skf18("5","1","10","1","2","1","1") = "9"
    & skf18("5","1","10","1","2","2","1") = "9"
    & skf18("5","1","10","1","2","3","1") = "9"
    & skf18("5","1","10","1","2","4","1") = "9"
    & skf18("5","1","10","1","2","5","1") = "9"
    & skf18("5","1","10","1","2","6","1") = "9"
    & skf18("5","1","10","1","2","7","1") = "9"
    & skf18("5","1","10","1","2","8","1") = "9"
    & skf18("5","1","10","1","2","9","1") = "9"
    & skf18("5","1","10","1","2","10","1") = "9"
    & skf18("5","1","10","1","3","1","1") = "9"
    & skf18("5","1","10","1","3","2","1") = "9"
    & skf18("5","1","10","1","3","3","1") = "9"
    & skf18("5","1","10","1","3","4","1") = "9"
    & skf18("5","1","10","1","3","5","1") = "9"
    & skf18("5","1","10","1","3","6","1") = "9"
    & skf18("5","1","10","1","3","7","1") = "9"
    & skf18("5","1","10","1","3","8","1") = "9"
    & skf18("5","1","10","1","3","9","1") = "9"
    & skf18("5","1","10","1","3","10","1") = "9"
    & skf18("5","1","10","1","4","1","1") = "9"
    & skf18("5","1","10","1","4","2","1") = "9"
    & skf18("5","1","10","1","4","3","1") = "9"
    & skf18("5","1","10","1","4","4","1") = "9"
    & skf18("5","1","10","1","4","5","1") = "9"
    & skf18("5","1","10","1","4","6","1") = "9"
    & skf18("5","1","10","1","4","7","1") = "9"
    & skf18("5","1","10","1","4","8","1") = "9"
    & skf18("5","1","10","1","4","9","1") = "9"
    & skf18("5","1","10","1","4","10","1") = "9"
    & skf18("5","1","10","1","5","1","1") = "9"
    & skf18("5","1","10","1","5","2","1") = "9"
    & skf18("5","1","10","1","5","3","1") = "9"
    & skf18("5","1","10","1","5","4","1") = "9"
    & skf18("5","1","10","1","5","5","1") = "9"
    & skf18("5","1","10","1","5","6","1") = "9"
    & skf18("5","1","10","1","5","7","1") = "9"
    & skf18("5","1","10","1","5","8","1") = "9"
    & skf18("5","1","10","1","5","9","1") = "9"
    & skf18("5","1","10","1","5","10","1") = "9"
    & skf18("5","1","10","1","6","1","1") = "9"
    & skf18("5","1","10","1","6","2","1") = "9"
    & skf18("5","1","10","1","6","3","1") = "9"
    & skf18("5","1","10","1","6","4","1") = "9"
    & skf18("5","1","10","1","6","5","1") = "9"
    & skf18("5","1","10","1","6","6","1") = "9"
    & skf18("5","1","10","1","6","7","1") = "9"
    & skf18("5","1","10","1","6","8","1") = "9"
    & skf18("5","1","10","1","6","9","1") = "9"
    & skf18("5","1","10","1","6","10","1") = "9"
    & skf18("5","1","10","1","7","1","1") = "9"
    & skf18("5","1","10","1","7","2","1") = "9"
    & skf18("5","1","10","1","7","3","1") = "9"
    & skf18("5","1","10","1","7","4","1") = "9"
    & skf18("5","1","10","1","7","5","1") = "9"
    & skf18("5","1","10","1","7","6","1") = "9"
    & skf18("5","1","10","1","7","7","1") = "9"
    & skf18("5","1","10","1","7","8","1") = "9"
    & skf18("5","1","10","1","7","9","1") = "9"
    & skf18("5","1","10","1","7","10","1") = "9"
    & skf18("5","1","10","1","8","1","1") = "9"
    & skf18("5","1","10","1","8","2","1") = "9"
    & skf18("5","1","10","1","8","3","1") = "9"
    & skf18("5","1","10","1","8","4","1") = "9"
    & skf18("5","1","10","1","8","5","1") = "9"
    & skf18("5","1","10","1","8","6","1") = "9"
    & skf18("5","1","10","1","8","7","1") = "9"
    & skf18("5","1","10","1","8","8","1") = "9"
    & skf18("5","1","10","1","8","9","1") = "9"
    & skf18("5","1","10","1","8","10","1") = "9"
    & skf18("5","1","10","1","9","1","1") = "9"
    & skf18("5","1","10","1","9","2","1") = "9"
    & skf18("5","1","10","1","9","3","1") = "9"
    & skf18("5","1","10","1","9","4","1") = "9"
    & skf18("5","1","10","1","9","5","1") = "9"
    & skf18("5","1","10","1","9","6","1") = "9"
    & skf18("5","1","10","1","9","7","1") = "9"
    & skf18("5","1","10","1","9","8","1") = "9"
    & skf18("5","1","10","1","9","9","1") = "9"
    & skf18("5","1","10","1","9","10","1") = "9"
    & skf18("5","1","10","1","10","1","1") = "9"
    & skf18("5","1","10","1","10","2","1") = "9"
    & skf18("5","1","10","1","10","3","1") = "9"
    & skf18("5","1","10","1","10","4","1") = "9"
    & skf18("5","1","10","1","10","5","1") = "9"
    & skf18("5","1","10","1","10","6","1") = "9"
    & skf18("5","1","10","1","10","7","1") = "9"
    & skf18("5","1","10","1","10","8","1") = "9"
    & skf18("5","1","10","1","10","9","1") = "9"
    & skf18("5","1","10","1","10","10","1") = "9"
    & skf18("5","1","10","2","1","1","1") = "9"
    & skf18("5","1","10","2","1","2","1") = "9"
    & skf18("5","1","10","2","1","3","1") = "9"
    & skf18("5","1","10","2","1","4","1") = "9"
    & skf18("5","1","10","2","1","5","1") = "9"
    & skf18("5","1","10","2","1","6","1") = "9"
    & skf18("5","1","10","2","1","7","1") = "9"
    & skf18("5","1","10","2","1","8","1") = "9"
    & skf18("5","1","10","2","1","9","1") = "9"
    & skf18("5","1","10","2","1","10","1") = "9"
    & skf18("5","1","10","2","2","1","1") = "9"
    & skf18("5","1","10","2","2","2","1") = "9"
    & skf18("5","1","10","2","2","3","1") = "9"
    & skf18("5","1","10","2","2","4","1") = "9"
    & skf18("5","1","10","2","2","5","1") = "9"
    & skf18("5","1","10","2","2","6","1") = "9"
    & skf18("5","1","10","2","2","7","1") = "9"
    & skf18("5","1","10","2","2","8","1") = "9"
    & skf18("5","1","10","2","2","9","1") = "9"
    & skf18("5","1","10","2","2","10","1") = "9"
    & skf18("5","1","10","2","3","1","1") = "9"
    & skf18("5","1","10","2","3","2","1") = "9"
    & skf18("5","1","10","2","3","3","1") = "9"
    & skf18("5","1","10","2","3","4","1") = "9"
    & skf18("5","1","10","2","3","5","1") = "9"
    & skf18("5","1","10","2","3","6","1") = "9"
    & skf18("5","1","10","2","3","7","1") = "9"
    & skf18("5","1","10","2","3","8","1") = "9"
    & skf18("5","1","10","2","3","9","1") = "9"
    & skf18("5","1","10","2","3","10","1") = "9"
    & skf18("5","1","10","2","4","1","1") = "9"
    & skf18("5","1","10","2","4","2","1") = "9"
    & skf18("5","1","10","2","4","3","1") = "9"
    & skf18("5","1","10","2","4","4","1") = "9"
    & skf18("5","1","10","2","4","5","1") = "9"
    & skf18("5","1","10","2","4","6","1") = "9"
    & skf18("5","1","10","2","4","7","1") = "9"
    & skf18("5","1","10","2","4","8","1") = "9"
    & skf18("5","1","10","2","4","9","1") = "9"
    & skf18("5","1","10","2","4","10","1") = "9"
    & skf18("5","1","10","2","5","1","1") = "9"
    & skf18("5","1","10","2","5","2","1") = "9"
    & skf18("5","1","10","2","5","3","1") = "9"
    & skf18("5","1","10","2","5","4","1") = "9"
    & skf18("5","1","10","2","5","5","1") = "9"
    & skf18("5","1","10","2","5","6","1") = "9"
    & skf18("5","1","10","2","5","7","1") = "9"
    & skf18("5","1","10","2","5","8","1") = "9"
    & skf18("5","1","10","2","5","9","1") = "9"
    & skf18("5","1","10","2","5","10","1") = "9"
    & skf18("5","1","10","2","6","1","1") = "9"
    & skf18("5","1","10","2","6","2","1") = "9"
    & skf18("5","1","10","2","6","3","1") = "9"
    & skf18("5","1","10","2","6","4","1") = "9"
    & skf18("5","1","10","2","6","5","1") = "9"
    & skf18("5","1","10","2","6","6","1") = "9"
    & skf18("5","1","10","2","6","7","1") = "9"
    & skf18("5","1","10","2","6","8","1") = "9"
    & skf18("5","1","10","2","6","9","1") = "9"
    & skf18("5","1","10","2","6","10","1") = "9"
    & skf18("5","1","10","2","7","1","1") = "9"
    & skf18("5","1","10","2","7","2","1") = "9"
    & skf18("5","1","10","2","7","3","1") = "9"
    & skf18("5","1","10","2","7","4","1") = "9"
    & skf18("5","1","10","2","7","5","1") = "9"
    & skf18("5","1","10","2","7","6","1") = "9"
    & skf18("5","1","10","2","7","7","1") = "9"
    & skf18("5","1","10","2","7","8","1") = "9"
    & skf18("5","1","10","2","7","9","1") = "9"
    & skf18("5","1","10","2","7","10","1") = "9"
    & skf18("5","1","10","2","8","1","1") = "9"
    & skf18("5","1","10","2","8","2","1") = "9"
    & skf18("5","1","10","2","8","3","1") = "9"
    & skf18("5","1","10","2","8","4","1") = "9"
    & skf18("5","1","10","2","8","5","1") = "9"
    & skf18("5","1","10","2","8","6","1") = "9"
    & skf18("5","1","10","2","8","7","1") = "9"
    & skf18("5","1","10","2","8","8","1") = "9"
    & skf18("5","1","10","2","8","9","1") = "9"
    & skf18("5","1","10","2","8","10","1") = "9"
    & skf18("5","1","10","2","9","1","1") = "9"
    & skf18("5","1","10","2","9","2","1") = "9"
    & skf18("5","1","10","2","9","3","1") = "9"
    & skf18("5","1","10","2","9","4","1") = "9"
    & skf18("5","1","10","2","9","5","1") = "9"
    & skf18("5","1","10","2","9","6","1") = "9"
    & skf18("5","1","10","2","9","7","1") = "9"
    & skf18("5","1","10","2","9","8","1") = "9"
    & skf18("5","1","10","2","9","9","1") = "9"
    & skf18("5","1","10","2","9","10","1") = "9"
    & skf18("5","1","10","2","10","1","1") = "9"
    & skf18("5","1","10","2","10","2","1") = "9"
    & skf18("5","1","10","2","10","3","1") = "9"
    & skf18("5","1","10","2","10","4","1") = "9"
    & skf18("5","1","10","2","10","5","1") = "9"
    & skf18("5","1","10","2","10","6","1") = "9"
    & skf18("5","1","10","2","10","7","1") = "9"
    & skf18("5","1","10","2","10","8","1") = "9"
    & skf18("5","1","10","2","10","9","1") = "9"
    & skf18("5","1","10","2","10","10","1") = "9"
    & skf18("5","1","10","3","1","1","1") = "9"
    & skf18("5","1","10","3","1","2","1") = "9"
    & skf18("5","1","10","3","1","3","1") = "9"
    & skf18("5","1","10","3","1","4","1") = "9"
    & skf18("5","1","10","3","1","5","1") = "9"
    & skf18("5","1","10","3","1","6","1") = "9"
    & skf18("5","1","10","3","1","7","1") = "9"
    & skf18("5","1","10","3","1","8","1") = "9"
    & skf18("5","1","10","3","1","9","1") = "9"
    & skf18("5","1","10","3","1","10","1") = "9"
    & skf18("5","1","10","3","2","1","1") = "9"
    & skf18("5","1","10","3","2","2","1") = "9"
    & skf18("5","1","10","3","2","3","1") = "9"
    & skf18("5","1","10","3","2","4","1") = "9"
    & skf18("5","1","10","3","2","5","1") = "9"
    & skf18("5","1","10","3","2","6","1") = "9"
    & skf18("5","1","10","3","2","7","1") = "9"
    & skf18("5","1","10","3","2","8","1") = "9"
    & skf18("5","1","10","3","2","9","1") = "9"
    & skf18("5","1","10","3","2","10","1") = "9"
    & skf18("5","1","10","3","3","1","1") = "9"
    & skf18("5","1","10","3","3","2","1") = "9"
    & skf18("5","1","10","3","3","3","1") = "9"
    & skf18("5","1","10","3","3","4","1") = "9"
    & skf18("5","1","10","3","3","5","1") = "9"
    & skf18("5","1","10","3","3","6","1") = "9"
    & skf18("5","1","10","3","3","7","1") = "9"
    & skf18("5","1","10","3","3","8","1") = "9"
    & skf18("5","1","10","3","3","9","1") = "9"
    & skf18("5","1","10","3","3","10","1") = "9"
    & skf18("5","1","10","3","4","1","1") = "9"
    & skf18("5","1","10","3","4","2","1") = "9"
    & skf18("5","1","10","3","4","3","1") = "9"
    & skf18("5","1","10","3","4","4","1") = "9"
    & skf18("5","1","10","3","4","5","1") = "9"
    & skf18("5","1","10","3","4","6","1") = "9"
    & skf18("5","1","10","3","4","7","1") = "9"
    & skf18("5","1","10","3","4","8","1") = "9"
    & skf18("5","1","10","3","4","9","1") = "9"
    & skf18("5","1","10","3","4","10","1") = "9"
    & skf18("5","1","10","3","5","1","1") = "9"
    & skf18("5","1","10","3","5","2","1") = "9"
    & skf18("5","1","10","3","5","3","1") = "9"
    & skf18("5","1","10","3","5","4","1") = "9"
    & skf18("5","1","10","3","5","5","1") = "9"
    & skf18("5","1","10","3","5","6","1") = "9"
    & skf18("5","1","10","3","5","7","1") = "9"
    & skf18("5","1","10","3","5","8","1") = "9"
    & skf18("5","1","10","3","5","9","1") = "9"
    & skf18("5","1","10","3","5","10","1") = "9"
    & skf18("5","1","10","3","6","1","1") = "9"
    & skf18("5","1","10","3","6","2","1") = "9"
    & skf18("5","1","10","3","6","3","1") = "9"
    & skf18("5","1","10","3","6","4","1") = "9"
    & skf18("5","1","10","3","6","5","1") = "9"
    & skf18("5","1","10","3","6","6","1") = "9"
    & skf18("5","1","10","3","6","7","1") = "9"
    & skf18("5","1","10","3","6","8","1") = "9"
    & skf18("5","1","10","3","6","9","1") = "9"
    & skf18("5","1","10","3","6","10","1") = "9"
    & skf18("5","1","10","3","7","1","1") = "9"
    & skf18("5","1","10","3","7","2","1") = "9"
    & skf18("5","1","10","3","7","3","1") = "9"
    & skf18("5","1","10","3","7","4","1") = "9"
    & skf18("5","1","10","3","7","5","1") = "9"
    & skf18("5","1","10","3","7","6","1") = "9"
    & skf18("5","1","10","3","7","7","1") = "9"
    & skf18("5","1","10","3","7","8","1") = "9"
    & skf18("5","1","10","3","7","9","1") = "9"
    & skf18("5","1","10","3","7","10","1") = "9"
    & skf18("5","1","10","3","8","1","1") = "9"
    & skf18("5","1","10","3","8","2","1") = "9"
    & skf18("5","1","10","3","8","3","1") = "9"
    & skf18("5","1","10","3","8","4","1") = "9"
    & skf18("5","1","10","3","8","5","1") = "9"
    & skf18("5","1","10","3","8","6","1") = "9"
    & skf18("5","1","10","3","8","7","1") = "9"
    & skf18("5","1","10","3","8","8","1") = "9"
    & skf18("5","1","10","3","8","9","1") = "9"
    & skf18("5","1","10","3","8","10","1") = "9"
    & skf18("5","1","10","3","9","1","1") = "9"
    & skf18("5","1","10","3","9","2","1") = "9"
    & skf18("5","1","10","3","9","3","1") = "9"
    & skf18("5","1","10","3","9","4","1") = "9"
    & skf18("5","1","10","3","9","5","1") = "9"
    & skf18("5","1","10","3","9","6","1") = "9"
    & skf18("5","1","10","3","9","7","1") = "9"
    & skf18("5","1","10","3","9","8","1") = "9"
    & skf18("5","1","10","3","9","9","1") = "9"
    & skf18("5","1","10","3","9","10","1") = "9"
    & skf18("5","1","10","3","10","1","1") = "9"
    & skf18("5","1","10","3","10","2","1") = "9"
    & skf18("5","1","10","3","10","3","1") = "9"
    & skf18("5","1","10","3","10","4","1") = "9"
    & skf18("5","1","10","3","10","5","1") = "9"
    & skf18("5","1","10","3","10","6","1") = "9"
    & skf18("5","1","10","3","10","7","1") = "9"
    & skf18("5","1","10","3","10","8","1") = "9"
    & skf18("5","1","10","3","10","9","1") = "9"
    & skf18("5","1","10","3","10","10","1") = "9"
    & skf18("5","1","10","4","1","1","1") = "9"
    & skf18("5","1","10","4","1","2","1") = "9"
    & skf18("5","1","10","4","1","3","1") = "9"
    & skf18("5","1","10","4","1","4","1") = "9"
    & skf18("5","1","10","4","1","5","1") = "9"
    & skf18("5","1","10","4","1","6","1") = "9"
    & skf18("5","1","10","4","1","7","1") = "9"
    & skf18("5","1","10","4","1","8","1") = "9"
    & skf18("5","1","10","4","1","9","1") = "9"
    & skf18("5","1","10","4","1","10","1") = "9"
    & skf18("5","1","10","4","2","1","1") = "9"
    & skf18("5","1","10","4","2","2","1") = "9"
    & skf18("5","1","10","4","2","3","1") = "9"
    & skf18("5","1","10","4","2","4","1") = "9"
    & skf18("5","1","10","4","2","5","1") = "9"
    & skf18("5","1","10","4","2","6","1") = "9"
    & skf18("5","1","10","4","2","7","1") = "9"
    & skf18("5","1","10","4","2","8","1") = "9"
    & skf18("5","1","10","4","2","9","1") = "9"
    & skf18("5","1","10","4","2","10","1") = "9"
    & skf18("5","1","10","4","3","1","1") = "9"
    & skf18("5","1","10","4","3","2","1") = "9"
    & skf18("5","1","10","4","3","3","1") = "9"
    & skf18("5","1","10","4","3","4","1") = "9"
    & skf18("5","1","10","4","3","5","1") = "9"
    & skf18("5","1","10","4","3","6","1") = "9"
    & skf18("5","1","10","4","3","7","1") = "9"
    & skf18("5","1","10","4","3","8","1") = "9"
    & skf18("5","1","10","4","3","9","1") = "9"
    & skf18("5","1","10","4","3","10","1") = "9"
    & skf18("5","1","10","4","4","1","1") = "9"
    & skf18("5","1","10","4","4","2","1") = "9"
    & skf18("5","1","10","4","4","3","1") = "9"
    & skf18("5","1","10","4","4","4","1") = "9"
    & skf18("5","1","10","4","4","5","1") = "9"
    & skf18("5","1","10","4","4","6","1") = "9"
    & skf18("5","1","10","4","4","7","1") = "9"
    & skf18("5","1","10","4","4","8","1") = "9"
    & skf18("5","1","10","4","4","9","1") = "9"
    & skf18("5","1","10","4","4","10","1") = "9"
    & skf18("5","1","10","4","5","1","1") = "9"
    & skf18("5","1","10","4","5","2","1") = "9"
    & skf18("5","1","10","4","5","3","1") = "9"
    & skf18("5","1","10","4","5","4","1") = "9"
    & skf18("5","1","10","4","5","5","1") = "9"
    & skf18("5","1","10","4","5","6","1") = "9"
    & skf18("5","1","10","4","5","7","1") = "9"
    & skf18("5","1","10","4","5","8","1") = "9"
    & skf18("5","1","10","4","5","9","1") = "9"
    & skf18("5","1","10","4","5","10","1") = "9"
    & skf18("5","1","10","4","6","1","1") = "9"
    & skf18("5","1","10","4","6","2","1") = "9"
    & skf18("5","1","10","4","6","3","1") = "9"
    & skf18("5","1","10","4","6","4","1") = "9"
    & skf18("5","1","10","4","6","5","1") = "9"
    & skf18("5","1","10","4","6","6","1") = "9"
    & skf18("5","1","10","4","6","7","1") = "9"
    & skf18("5","1","10","4","6","8","1") = "9"
    & skf18("5","1","10","4","6","9","1") = "9"
    & skf18("5","1","10","4","6","10","1") = "9"
    & skf18("5","1","10","4","7","1","1") = "9"
    & skf18("5","1","10","4","7","2","1") = "9"
    & skf18("5","1","10","4","7","3","1") = "9"
    & skf18("5","1","10","4","7","4","1") = "9"
    & skf18("5","1","10","4","7","5","1") = "9"
    & skf18("5","1","10","4","7","6","1") = "9"
    & skf18("5","1","10","4","7","7","1") = "9"
    & skf18("5","1","10","4","7","8","1") = "9"
    & skf18("5","1","10","4","7","9","1") = "9"
    & skf18("5","1","10","4","7","10","1") = "9"
    & skf18("5","1","10","4","8","1","1") = "9"
    & skf18("5","1","10","4","8","2","1") = "9"
    & skf18("5","1","10","4","8","3","1") = "9"
    & skf18("5","1","10","4","8","4","1") = "9"
    & skf18("5","1","10","4","8","5","1") = "9"
    & skf18("5","1","10","4","8","6","1") = "9"
    & skf18("5","1","10","4","8","7","1") = "9"
    & skf18("5","1","10","4","8","8","1") = "9"
    & skf18("5","1","10","4","8","9","1") = "9"
    & skf18("5","1","10","4","8","10","1") = "9"
    & skf18("5","1","10","4","9","1","1") = "9"
    & skf18("5","1","10","4","9","2","1") = "9"
    & skf18("5","1","10","4","9","3","1") = "9"
    & skf18("5","1","10","4","9","4","1") = "9"
    & skf18("5","1","10","4","9","5","1") = "9"
    & skf18("5","1","10","4","9","6","1") = "9"
    & skf18("5","1","10","4","9","7","1") = "9"
    & skf18("5","1","10","4","9","8","1") = "9"
    & skf18("5","1","10","4","9","9","1") = "9"
    & skf18("5","1","10","4","9","10","1") = "9"
    & skf18("5","1","10","4","10","1","1") = "9"
    & skf18("5","1","10","4","10","2","1") = "9"
    & skf18("5","1","10","4","10","3","1") = "9"
    & skf18("5","1","10","4","10","4","1") = "9"
    & skf18("5","1","10","4","10","5","1") = "9"
    & skf18("5","1","10","4","10","6","1") = "9"
    & skf18("5","1","10","4","10","7","1") = "9"
    & skf18("5","1","10","4","10","8","1") = "9"
    & skf18("5","1","10","4","10","9","1") = "9"
    & skf18("5","1","10","4","10","10","1") = "9"
    & skf18("5","1","10","5","1","1","1") = "9"
    & skf18("5","1","10","5","1","2","1") = "9"
    & skf18("5","1","10","5","1","3","1") = "9"
    & skf18("5","1","10","5","1","4","1") = "9"
    & skf18("5","1","10","5","1","5","1") = "9"
    & skf18("5","1","10","5","1","6","1") = "9"
    & skf18("5","1","10","5","1","7","1") = "9"
    & skf18("5","1","10","5","1","8","1") = "9"
    & skf18("5","1","10","5","1","9","1") = "9"
    & skf18("5","1","10","5","1","10","1") = "9"
    & skf18("5","1","10","5","2","1","1") = "9"
    & skf18("5","1","10","5","2","2","1") = "9"
    & skf18("5","1","10","5","2","3","1") = "9"
    & skf18("5","1","10","5","2","4","1") = "9"
    & skf18("5","1","10","5","2","5","1") = "9"
    & skf18("5","1","10","5","2","6","1") = "9"
    & skf18("5","1","10","5","2","7","1") = "9"
    & skf18("5","1","10","5","2","8","1") = "9"
    & skf18("5","1","10","5","2","9","1") = "9"
    & skf18("5","1","10","5","2","10","1") = "9"
    & skf18("5","1","10","5","3","1","1") = "9"
    & skf18("5","1","10","5","3","2","1") = "9"
    & skf18("5","1","10","5","3","3","1") = "9"
    & skf18("5","1","10","5","3","4","1") = "9"
    & skf18("5","1","10","5","3","5","1") = "9"
    & skf18("5","1","10","5","3","6","1") = "9"
    & skf18("5","1","10","5","3","7","1") = "9"
    & skf18("5","1","10","5","3","8","1") = "9"
    & skf18("5","1","10","5","3","9","1") = "9"
    & skf18("5","1","10","5","3","10","1") = "9"
    & skf18("5","1","10","5","4","1","1") = "9"
    & skf18("5","1","10","5","4","2","1") = "9"
    & skf18("5","1","10","5","4","3","1") = "9"
    & skf18("5","1","10","5","4","4","1") = "9"
    & skf18("5","1","10","5","4","5","1") = "9"
    & skf18("5","1","10","5","4","6","1") = "9"
    & skf18("5","1","10","5","4","7","1") = "9"
    & skf18("5","1","10","5","4","8","1") = "9"
    & skf18("5","1","10","5","4","9","1") = "9"
    & skf18("5","1","10","5","4","10","1") = "9"
    & skf18("5","1","10","5","5","1","1") = "9"
    & skf18("5","1","10","5","5","2","1") = "9"
    & skf18("5","1","10","5","5","3","1") = "9"
    & skf18("5","1","10","5","5","4","1") = "9"
    & skf18("5","1","10","5","5","5","1") = "9"
    & skf18("5","1","10","5","5","6","1") = "9"
    & skf18("5","1","10","5","5","7","1") = "9"
    & skf18("5","1","10","5","5","8","1") = "9"
    & skf18("5","1","10","5","5","9","1") = "9"
    & skf18("5","1","10","5","5","10","1") = "9"
    & skf18("5","1","10","5","6","1","1") = "9"
    & skf18("5","1","10","5","6","2","1") = "9"
    & skf18("5","1","10","5","6","3","1") = "9"
    & skf18("5","1","10","5","6","4","1") = "9"
    & skf18("5","1","10","5","6","5","1") = "9"
    & skf18("5","1","10","5","6","6","1") = "9"
    & skf18("5","1","10","5","6","7","1") = "9"
    & skf18("5","1","10","5","6","8","1") = "9"
    & skf18("5","1","10","5","6","9","1") = "9"
    & skf18("5","1","10","5","6","10","1") = "9"
    & skf18("5","1","10","5","7","1","1") = "9"
    & skf18("5","1","10","5","7","2","1") = "9"
    & skf18("5","1","10","5","7","3","1") = "9"
    & skf18("5","1","10","5","7","4","1") = "9"
    & skf18("5","1","10","5","7","5","1") = "9"
    & skf18("5","1","10","5","7","6","1") = "9"
    & skf18("5","1","10","5","7","7","1") = "9"
    & skf18("5","1","10","5","7","8","1") = "9"
    & skf18("5","1","10","5","7","9","1") = "9"
    & skf18("5","1","10","5","7","10","1") = "9"
    & skf18("5","1","10","5","8","1","1") = "9"
    & skf18("5","1","10","5","8","2","1") = "9"
    & skf18("5","1","10","5","8","3","1") = "9"
    & skf18("5","1","10","5","8","4","1") = "9"
    & skf18("5","1","10","5","8","5","1") = "9"
    & skf18("5","1","10","5","8","6","1") = "9"
    & skf18("5","1","10","5","8","7","1") = "9"
    & skf18("5","1","10","5","8","8","1") = "9"
    & skf18("5","1","10","5","8","9","1") = "9"
    & skf18("5","1","10","5","8","10","1") = "9"
    & skf18("5","1","10","5","9","1","1") = "9"
    & skf18("5","1","10","5","9","2","1") = "9"
    & skf18("5","1","10","5","9","3","1") = "9"
    & skf18("5","1","10","5","9","4","1") = "9"
    & skf18("5","1","10","5","9","5","1") = "9"
    & skf18("5","1","10","5","9","6","1") = "9"
    & skf18("5","1","10","5","9","7","1") = "9"
    & skf18("5","1","10","5","9","8","1") = "9"
    & skf18("5","1","10","5","9","9","1") = "9"
    & skf18("5","1","10","5","9","10","1") = "9"
    & skf18("5","1","10","5","10","1","1") = "9"
    & skf18("5","1","10","5","10","2","1") = "9"
    & skf18("5","1","10","5","10","3","1") = "9"
    & skf18("5","1","10","5","10","4","1") = "9"
    & skf18("5","1","10","5","10","5","1") = "9"
    & skf18("5","1","10","5","10","6","1") = "9"
    & skf18("5","1","10","5","10","7","1") = "9"
    & skf18("5","1","10","5","10","8","1") = "9"
    & skf18("5","1","10","5","10","9","1") = "9"
    & skf18("5","1","10","5","10","10","1") = "9"
    & skf18("5","1","10","6","1","1","1") = "9"
    & skf18("5","1","10","6","1","2","1") = "9"
    & skf18("5","1","10","6","1","3","1") = "9"
    & skf18("5","1","10","6","1","4","1") = "9"
    & skf18("5","1","10","6","1","5","1") = "9"
    & skf18("5","1","10","6","1","6","1") = "9"
    & skf18("5","1","10","6","1","7","1") = "9"
    & skf18("5","1","10","6","1","8","1") = "9"
    & skf18("5","1","10","6","1","9","1") = "9"
    & skf18("5","1","10","6","1","10","1") = "9"
    & skf18("5","1","10","6","2","1","1") = "9"
    & skf18("5","1","10","6","2","2","1") = "9"
    & skf18("5","1","10","6","2","3","1") = "9"
    & skf18("5","1","10","6","2","4","1") = "9"
    & skf18("5","1","10","6","2","5","1") = "9"
    & skf18("5","1","10","6","2","6","1") = "9"
    & skf18("5","1","10","6","2","7","1") = "9"
    & skf18("5","1","10","6","2","8","1") = "9"
    & skf18("5","1","10","6","2","9","1") = "9"
    & skf18("5","1","10","6","2","10","1") = "9"
    & skf18("5","1","10","6","3","1","1") = "9"
    & skf18("5","1","10","6","3","2","1") = "9"
    & skf18("5","1","10","6","3","3","1") = "9"
    & skf18("5","1","10","6","3","4","1") = "9"
    & skf18("5","1","10","6","3","5","1") = "9"
    & skf18("5","1","10","6","3","6","1") = "9"
    & skf18("5","1","10","6","3","7","1") = "9"
    & skf18("5","1","10","6","3","8","1") = "9"
    & skf18("5","1","10","6","3","9","1") = "9"
    & skf18("5","1","10","6","3","10","1") = "9"
    & skf18("5","1","10","6","4","1","1") = "9"
    & skf18("5","1","10","6","4","2","1") = "9"
    & skf18("5","1","10","6","4","3","1") = "9"
    & skf18("5","1","10","6","4","4","1") = "9"
    & skf18("5","1","10","6","4","5","1") = "9"
    & skf18("5","1","10","6","4","6","1") = "9"
    & skf18("5","1","10","6","4","7","1") = "9"
    & skf18("5","1","10","6","4","8","1") = "9"
    & skf18("5","1","10","6","4","9","1") = "9"
    & skf18("5","1","10","6","4","10","1") = "9"
    & skf18("5","1","10","6","5","1","1") = "9"
    & skf18("5","1","10","6","5","2","1") = "9"
    & skf18("5","1","10","6","5","3","1") = "9"
    & skf18("5","1","10","6","5","4","1") = "9"
    & skf18("5","1","10","6","5","5","1") = "9"
    & skf18("5","1","10","6","5","6","1") = "9"
    & skf18("5","1","10","6","5","7","1") = "9"
    & skf18("5","1","10","6","5","8","1") = "9"
    & skf18("5","1","10","6","5","9","1") = "9"
    & skf18("5","1","10","6","5","10","1") = "9"
    & skf18("5","1","10","6","6","1","1") = "9"
    & skf18("5","1","10","6","6","2","1") = "9"
    & skf18("5","1","10","6","6","3","1") = "9"
    & skf18("5","1","10","6","6","4","1") = "9"
    & skf18("5","1","10","6","6","5","1") = "9"
    & skf18("5","1","10","6","6","6","1") = "9"
    & skf18("5","1","10","6","6","7","1") = "9"
    & skf18("5","1","10","6","6","8","1") = "9"
    & skf18("5","1","10","6","6","9","1") = "9"
    & skf18("5","1","10","6","6","10","1") = "9"
    & skf18("5","1","10","6","7","1","1") = "9"
    & skf18("5","1","10","6","7","2","1") = "9"
    & skf18("5","1","10","6","7","3","1") = "9"
    & skf18("5","1","10","6","7","4","1") = "9"
    & skf18("5","1","10","6","7","5","1") = "9"
    & skf18("5","1","10","6","7","6","1") = "9"
    & skf18("5","1","10","6","7","7","1") = "9"
    & skf18("5","1","10","6","7","8","1") = "9"
    & skf18("5","1","10","6","7","9","1") = "9"
    & skf18("5","1","10","6","7","10","1") = "9"
    & skf18("5","1","10","6","8","1","1") = "9"
    & skf18("5","1","10","6","8","2","1") = "9"
    & skf18("5","1","10","6","8","3","1") = "9"
    & skf18("5","1","10","6","8","4","1") = "9"
    & skf18("5","1","10","6","8","5","1") = "9"
    & skf18("5","1","10","6","8","6","1") = "9"
    & skf18("5","1","10","6","8","7","1") = "9"
    & skf18("5","1","10","6","8","8","1") = "9"
    & skf18("5","1","10","6","8","9","1") = "9"
    & skf18("5","1","10","6","8","10","1") = "9"
    & skf18("5","1","10","6","9","1","1") = "9"
    & skf18("5","1","10","6","9","2","1") = "9"
    & skf18("5","1","10","6","9","3","1") = "9"
    & skf18("5","1","10","6","9","4","1") = "9"
    & skf18("5","1","10","6","9","5","1") = "9"
    & skf18("5","1","10","6","9","6","1") = "9"
    & skf18("5","1","10","6","9","7","1") = "9"
    & skf18("5","1","10","6","9","8","1") = "9"
    & skf18("5","1","10","6","9","9","1") = "9"
    & skf18("5","1","10","6","9","10","1") = "9"
    & skf18("5","1","10","6","10","1","1") = "9"
    & skf18("5","1","10","6","10","2","1") = "9"
    & skf18("5","1","10","6","10","3","1") = "9"
    & skf18("5","1","10","6","10","4","1") = "9"
    & skf18("5","1","10","6","10","5","1") = "9"
    & skf18("5","1","10","6","10","6","1") = "9"
    & skf18("5","1","10","6","10","7","1") = "9"
    & skf18("5","1","10","6","10","8","1") = "9"
    & skf18("5","1","10","6","10","9","1") = "9"
    & skf18("5","1","10","6","10","10","1") = "9"
    & skf18("5","1","10","7","1","1","1") = "9"
    & skf18("5","1","10","7","1","2","1") = "9"
    & skf18("5","1","10","7","1","3","1") = "9"
    & skf18("5","1","10","7","1","4","1") = "9"
    & skf18("5","1","10","7","1","5","1") = "9"
    & skf18("5","1","10","7","1","6","1") = "9"
    & skf18("5","1","10","7","1","7","1") = "9"
    & skf18("5","1","10","7","1","8","1") = "9"
    & skf18("5","1","10","7","1","9","1") = "9"
    & skf18("5","1","10","7","1","10","1") = "9"
    & skf18("5","1","10","7","2","1","1") = "9"
    & skf18("5","1","10","7","2","2","1") = "9"
    & skf18("5","1","10","7","2","3","1") = "9"
    & skf18("5","1","10","7","2","4","1") = "9"
    & skf18("5","1","10","7","2","5","1") = "9"
    & skf18("5","1","10","7","2","6","1") = "9"
    & skf18("5","1","10","7","2","7","1") = "9"
    & skf18("5","1","10","7","2","8","1") = "9"
    & skf18("5","1","10","7","2","9","1") = "9"
    & skf18("5","1","10","7","2","10","1") = "9"
    & skf18("5","1","10","7","3","1","1") = "9"
    & skf18("5","1","10","7","3","2","1") = "9"
    & skf18("5","1","10","7","3","3","1") = "9"
    & skf18("5","1","10","7","3","4","1") = "9"
    & skf18("5","1","10","7","3","5","1") = "9"
    & skf18("5","1","10","7","3","6","1") = "9"
    & skf18("5","1","10","7","3","7","1") = "9"
    & skf18("5","1","10","7","3","8","1") = "9"
    & skf18("5","1","10","7","3","9","1") = "9"
    & skf18("5","1","10","7","3","10","1") = "9"
    & skf18("5","1","10","7","4","1","1") = "9"
    & skf18("5","1","10","7","4","2","1") = "9"
    & skf18("5","1","10","7","4","3","1") = "9"
    & skf18("5","1","10","7","4","4","1") = "9"
    & skf18("5","1","10","7","4","5","1") = "9"
    & skf18("5","1","10","7","4","6","1") = "9"
    & skf18("5","1","10","7","4","7","1") = "9"
    & skf18("5","1","10","7","4","8","1") = "9"
    & skf18("5","1","10","7","4","9","1") = "9"
    & skf18("5","1","10","7","4","10","1") = "9"
    & skf18("5","1","10","7","5","1","1") = "9"
    & skf18("5","1","10","7","5","2","1") = "9"
    & skf18("5","1","10","7","5","3","1") = "9"
    & skf18("5","1","10","7","5","4","1") = "9"
    & skf18("5","1","10","7","5","5","1") = "9"
    & skf18("5","1","10","7","5","6","1") = "9"
    & skf18("5","1","10","7","5","7","1") = "9"
    & skf18("5","1","10","7","5","8","1") = "9"
    & skf18("5","1","10","7","5","9","1") = "9"
    & skf18("5","1","10","7","5","10","1") = "9"
    & skf18("5","1","10","7","6","1","1") = "9"
    & skf18("5","1","10","7","6","2","1") = "9"
    & skf18("5","1","10","7","6","3","1") = "9"
    & skf18("5","1","10","7","6","4","1") = "9"
    & skf18("5","1","10","7","6","5","1") = "9"
    & skf18("5","1","10","7","6","6","1") = "9"
    & skf18("5","1","10","7","6","7","1") = "9"
    & skf18("5","1","10","7","6","8","1") = "9"
    & skf18("5","1","10","7","6","9","1") = "9"
    & skf18("5","1","10","7","6","10","1") = "9"
    & skf18("5","1","10","7","7","1","1") = "9"
    & skf18("5","1","10","7","7","2","1") = "9"
    & skf18("5","1","10","7","7","3","1") = "9"
    & skf18("5","1","10","7","7","4","1") = "9"
    & skf18("5","1","10","7","7","5","1") = "9"
    & skf18("5","1","10","7","7","6","1") = "9"
    & skf18("5","1","10","7","7","7","1") = "9"
    & skf18("5","1","10","7","7","8","1") = "9"
    & skf18("5","1","10","7","7","9","1") = "9"
    & skf18("5","1","10","7","7","10","1") = "9"
    & skf18("5","1","10","7","8","1","1") = "9"
    & skf18("5","1","10","7","8","2","1") = "9"
    & skf18("5","1","10","7","8","3","1") = "9"
    & skf18("5","1","10","7","8","4","1") = "9"
    & skf18("5","1","10","7","8","5","1") = "9"
    & skf18("5","1","10","7","8","6","1") = "9"
    & skf18("5","1","10","7","8","7","1") = "9"
    & skf18("5","1","10","7","8","8","1") = "9"
    & skf18("5","1","10","7","8","9","1") = "9"
    & skf18("5","1","10","7","8","10","1") = "9"
    & skf18("5","1","10","7","9","1","1") = "9"
    & skf18("5","1","10","7","9","2","1") = "9"
    & skf18("5","1","10","7","9","3","1") = "9"
    & skf18("5","1","10","7","9","4","1") = "9"
    & skf18("5","1","10","7","9","5","1") = "9"
    & skf18("5","1","10","7","9","6","1") = "9"
    & skf18("5","1","10","7","9","7","1") = "9"
    & skf18("5","1","10","7","9","8","1") = "9"
    & skf18("5","1","10","7","9","9","1") = "9"
    & skf18("5","1","10","7","9","10","1") = "9"
    & skf18("5","1","10","7","10","1","1") = "9"
    & skf18("5","1","10","7","10","2","1") = "9"
    & skf18("5","1","10","7","10","3","1") = "9"
    & skf18("5","1","10","7","10","4","1") = "9"
    & skf18("5","1","10","7","10","5","1") = "9"
    & skf18("5","1","10","7","10","6","1") = "9"
    & skf18("5","1","10","7","10","7","1") = "9"
    & skf18("5","1","10","7","10","8","1") = "9"
    & skf18("5","1","10","7","10","9","1") = "9"
    & skf18("5","1","10","7","10","10","1") = "9"
    & skf18("5","1","10","8","1","1","1") = "9"
    & skf18("5","1","10","8","1","2","1") = "9"
    & skf18("5","1","10","8","1","3","1") = "9"
    & skf18("5","1","10","8","1","4","1") = "9"
    & skf18("5","1","10","8","1","5","1") = "9"
    & skf18("5","1","10","8","1","6","1") = "9"
    & skf18("5","1","10","8","1","7","1") = "9"
    & skf18("5","1","10","8","1","8","1") = "9"
    & skf18("5","1","10","8","1","9","1") = "9"
    & skf18("5","1","10","8","1","10","1") = "9"
    & skf18("5","1","10","8","2","1","1") = "9"
    & skf18("5","1","10","8","2","2","1") = "9"
    & skf18("5","1","10","8","2","3","1") = "9"
    & skf18("5","1","10","8","2","4","1") = "9"
    & skf18("5","1","10","8","2","5","1") = "9"
    & skf18("5","1","10","8","2","6","1") = "9"
    & skf18("5","1","10","8","2","7","1") = "9"
    & skf18("5","1","10","8","2","8","1") = "9"
    & skf18("5","1","10","8","2","9","1") = "9"
    & skf18("5","1","10","8","2","10","1") = "9"
    & skf18("5","1","10","8","3","1","1") = "9"
    & skf18("5","1","10","8","3","2","1") = "9"
    & skf18("5","1","10","8","3","3","1") = "9"
    & skf18("5","1","10","8","3","4","1") = "9"
    & skf18("5","1","10","8","3","5","1") = "9"
    & skf18("5","1","10","8","3","6","1") = "9"
    & skf18("5","1","10","8","3","7","1") = "9"
    & skf18("5","1","10","8","3","8","1") = "9"
    & skf18("5","1","10","8","3","9","1") = "9"
    & skf18("5","1","10","8","3","10","1") = "9"
    & skf18("5","1","10","8","4","1","1") = "9"
    & skf18("5","1","10","8","4","2","1") = "9"
    & skf18("5","1","10","8","4","3","1") = "9"
    & skf18("5","1","10","8","4","4","1") = "9"
    & skf18("5","1","10","8","4","5","1") = "9"
    & skf18("5","1","10","8","4","6","1") = "9"
    & skf18("5","1","10","8","4","7","1") = "9"
    & skf18("5","1","10","8","4","8","1") = "9"
    & skf18("5","1","10","8","4","9","1") = "9"
    & skf18("5","1","10","8","4","10","1") = "9"
    & skf18("5","1","10","8","5","1","1") = "9"
    & skf18("5","1","10","8","5","2","1") = "9"
    & skf18("5","1","10","8","5","3","1") = "9"
    & skf18("5","1","10","8","5","4","1") = "9"
    & skf18("5","1","10","8","5","5","1") = "9"
    & skf18("5","1","10","8","5","6","1") = "9"
    & skf18("5","1","10","8","5","7","1") = "9"
    & skf18("5","1","10","8","5","8","1") = "9"
    & skf18("5","1","10","8","5","9","1") = "9"
    & skf18("5","1","10","8","5","10","1") = "9"
    & skf18("5","1","10","8","6","1","1") = "9"
    & skf18("5","1","10","8","6","2","1") = "9"
    & skf18("5","1","10","8","6","3","1") = "9"
    & skf18("5","1","10","8","6","4","1") = "9"
    & skf18("5","1","10","8","6","5","1") = "9"
    & skf18("5","1","10","8","6","6","1") = "9"
    & skf18("5","1","10","8","6","7","1") = "9"
    & skf18("5","1","10","8","6","8","1") = "9"
    & skf18("5","1","10","8","6","9","1") = "9"
    & skf18("5","1","10","8","6","10","1") = "9"
    & skf18("5","1","10","8","7","1","1") = "9"
    & skf18("5","1","10","8","7","2","1") = "9"
    & skf18("5","1","10","8","7","3","1") = "9"
    & skf18("5","1","10","8","7","4","1") = "9"
    & skf18("5","1","10","8","7","5","1") = "9"
    & skf18("5","1","10","8","7","6","1") = "9"
    & skf18("5","1","10","8","7","7","1") = "9"
    & skf18("5","1","10","8","7","8","1") = "9"
    & skf18("5","1","10","8","7","9","1") = "9"
    & skf18("5","1","10","8","7","10","1") = "9"
    & skf18("5","1","10","8","8","1","1") = "9"
    & skf18("5","1","10","8","8","2","1") = "9"
    & skf18("5","1","10","8","8","3","1") = "9"
    & skf18("5","1","10","8","8","4","1") = "9"
    & skf18("5","1","10","8","8","5","1") = "9"
    & skf18("5","1","10","8","8","6","1") = "9"
    & skf18("5","1","10","8","8","7","1") = "9"
    & skf18("5","1","10","8","8","8","1") = "9"
    & skf18("5","1","10","8","8","9","1") = "9"
    & skf18("5","1","10","8","8","10","1") = "9"
    & skf18("5","1","10","8","9","1","1") = "9"
    & skf18("5","1","10","8","9","2","1") = "9"
    & skf18("5","1","10","8","9","3","1") = "9"
    & skf18("5","1","10","8","9","4","1") = "9"
    & skf18("5","1","10","8","9","5","1") = "9"
    & skf18("5","1","10","8","9","6","1") = "9"
    & skf18("5","1","10","8","9","7","1") = "9"
    & skf18("5","1","10","8","9","8","1") = "9"
    & skf18("5","1","10","8","9","9","1") = "9"
    & skf18("5","1","10","8","9","10","1") = "9"
    & skf18("5","1","10","8","10","1","1") = "9"
    & skf18("5","1","10","8","10","2","1") = "9"
    & skf18("5","1","10","8","10","3","1") = "9"
    & skf18("5","1","10","8","10","4","1") = "9"
    & skf18("5","1","10","8","10","5","1") = "9"
    & skf18("5","1","10","8","10","6","1") = "9"
    & skf18("5","1","10","8","10","7","1") = "9"
    & skf18("5","1","10","8","10","8","1") = "9"
    & skf18("5","1","10","8","10","9","1") = "9"
    & skf18("5","1","10","8","10","10","1") = "9"
    & skf18("5","1","10","9","1","1","1") = "9"
    & skf18("5","1","10","9","1","2","1") = "9"
    & skf18("5","1","10","9","1","3","1") = "9"
    & skf18("5","1","10","9","1","4","1") = "9"
    & skf18("5","1","10","9","1","5","1") = "9"
    & skf18("5","1","10","9","1","6","1") = "9"
    & skf18("5","1","10","9","1","7","1") = "9"
    & skf18("5","1","10","9","1","8","1") = "9"
    & skf18("5","1","10","9","1","9","1") = "9"
    & skf18("5","1","10","9","1","10","1") = "9"
    & skf18("5","1","10","9","2","1","1") = "9"
    & skf18("5","1","10","9","2","2","1") = "9"
    & skf18("5","1","10","9","2","3","1") = "9"
    & skf18("5","1","10","9","2","4","1") = "9"
    & skf18("5","1","10","9","2","5","1") = "9"
    & skf18("5","1","10","9","2","6","1") = "9"
    & skf18("5","1","10","9","2","7","1") = "9"
    & skf18("5","1","10","9","2","8","1") = "9"
    & skf18("5","1","10","9","2","9","1") = "9"
    & skf18("5","1","10","9","2","10","1") = "9"
    & skf18("5","1","10","9","3","1","1") = "9"
    & skf18("5","1","10","9","3","2","1") = "9"
    & skf18("5","1","10","9","3","3","1") = "9"
    & skf18("5","1","10","9","3","4","1") = "9"
    & skf18("5","1","10","9","3","5","1") = "9"
    & skf18("5","1","10","9","3","6","1") = "9"
    & skf18("5","1","10","9","3","7","1") = "9"
    & skf18("5","1","10","9","3","8","1") = "9"
    & skf18("5","1","10","9","3","9","1") = "9"
    & skf18("5","1","10","9","3","10","1") = "9"
    & skf18("5","1","10","9","4","1","1") = "9"
    & skf18("5","1","10","9","4","2","1") = "9"
    & skf18("5","1","10","9","4","3","1") = "9"
    & skf18("5","1","10","9","4","4","1") = "9"
    & skf18("5","1","10","9","4","5","1") = "9"
    & skf18("5","1","10","9","4","6","1") = "9"
    & skf18("5","1","10","9","4","7","1") = "9"
    & skf18("5","1","10","9","4","8","1") = "9"
    & skf18("5","1","10","9","4","9","1") = "9"
    & skf18("5","1","10","9","4","10","1") = "9"
    & skf18("5","1","10","9","5","1","1") = "9"
    & skf18("5","1","10","9","5","2","1") = "9"
    & skf18("5","1","10","9","5","3","1") = "9"
    & skf18("5","1","10","9","5","4","1") = "9"
    & skf18("5","1","10","9","5","5","1") = "9"
    & skf18("5","1","10","9","5","6","1") = "9"
    & skf18("5","1","10","9","5","7","1") = "9"
    & skf18("5","1","10","9","5","8","1") = "9"
    & skf18("5","1","10","9","5","9","1") = "9"
    & skf18("5","1","10","9","5","10","1") = "9"
    & skf18("5","1","10","9","6","1","1") = "9"
    & skf18("5","1","10","9","6","2","1") = "9"
    & skf18("5","1","10","9","6","3","1") = "9"
    & skf18("5","1","10","9","6","4","1") = "9"
    & skf18("5","1","10","9","6","5","1") = "9"
    & skf18("5","1","10","9","6","6","1") = "9"
    & skf18("5","1","10","9","6","7","1") = "9"
    & skf18("5","1","10","9","6","8","1") = "9"
    & skf18("5","1","10","9","6","9","1") = "9"
    & skf18("5","1","10","9","6","10","1") = "9"
    & skf18("5","1","10","9","7","1","1") = "9"
    & skf18("5","1","10","9","7","2","1") = "9"
    & skf18("5","1","10","9","7","3","1") = "9"
    & skf18("5","1","10","9","7","4","1") = "9"
    & skf18("5","1","10","9","7","5","1") = "9"
    & skf18("5","1","10","9","7","6","1") = "9"
    & skf18("5","1","10","9","7","7","1") = "9"
    & skf18("5","1","10","9","7","8","1") = "9"
    & skf18("5","1","10","9","7","9","1") = "9"
    & skf18("5","1","10","9","7","10","1") = "9"
    & skf18("5","1","10","9","8","1","1") = "9"
    & skf18("5","1","10","9","8","2","1") = "9"
    & skf18("5","1","10","9","8","3","1") = "9"
    & skf18("5","1","10","9","8","4","1") = "9"
    & skf18("5","1","10","9","8","5","1") = "9"
    & skf18("5","1","10","9","8","6","1") = "9"
    & skf18("5","1","10","9","8","7","1") = "9"
    & skf18("5","1","10","9","8","8","1") = "9"
    & skf18("5","1","10","9","8","9","1") = "9"
    & skf18("5","1","10","9","8","10","1") = "9"
    & skf18("5","1","10","9","9","1","1") = "9"
    & skf18("5","1","10","9","9","2","1") = "9"
    & skf18("5","1","10","9","9","3","1") = "9"
    & skf18("5","1","10","9","9","4","1") = "9"
    & skf18("5","1","10","9","9","5","1") = "9"
    & skf18("5","1","10","9","9","6","1") = "9"
    & skf18("5","1","10","9","9","7","1") = "9"
    & skf18("5","1","10","9","9","8","1") = "9"
    & skf18("5","1","10","9","9","9","1") = "9"
    & skf18("5","1","10","9","9","10","1") = "9"
    & skf18("5","1","10","9","10","1","1") = "9"
    & skf18("5","1","10","9","10","2","1") = "9"
    & skf18("5","1","10","9","10","3","1") = "9"
    & skf18("5","1","10","9","10","4","1") = "9"
    & skf18("5","1","10","9","10","5","1") = "9"
    & skf18("5","1","10","9","10","6","1") = "9"
    & skf18("5","1","10","9","10","7","1") = "9"
    & skf18("5","1","10","9","10","8","1") = "9"
    & skf18("5","1","10","9","10","9","1") = "9"
    & skf18("5","1","10","9","10","10","1") = "9"
    & skf18("5","1","10","10","1","1","1") = "9"
    & skf18("5","1","10","10","1","2","1") = "9"
    & skf18("5","1","10","10","1","3","1") = "9"
    & skf18("5","1","10","10","1","4","1") = "9"
    & skf18("5","1","10","10","1","5","1") = "9"
    & skf18("5","1","10","10","1","6","1") = "9"
    & skf18("5","1","10","10","1","7","1") = "9"
    & skf18("5","1","10","10","1","8","1") = "9"
    & skf18("5","1","10","10","1","9","1") = "9"
    & skf18("5","1","10","10","1","10","1") = "9"
    & skf18("5","1","10","10","2","1","1") = "9"
    & skf18("5","1","10","10","2","2","1") = "9"
    & skf18("5","1","10","10","2","3","1") = "9"
    & skf18("5","1","10","10","2","4","1") = "9"
    & skf18("5","1","10","10","2","5","1") = "9"
    & skf18("5","1","10","10","2","6","1") = "9"
    & skf18("5","1","10","10","2","7","1") = "9"
    & skf18("5","1","10","10","2","8","1") = "9"
    & skf18("5","1","10","10","2","9","1") = "9"
    & skf18("5","1","10","10","2","10","1") = "9"
    & skf18("5","1","10","10","3","1","1") = "9"
    & skf18("5","1","10","10","3","2","1") = "9"
    & skf18("5","1","10","10","3","3","1") = "9"
    & skf18("5","1","10","10","3","4","1") = "9"
    & skf18("5","1","10","10","3","5","1") = "9"
    & skf18("5","1","10","10","3","6","1") = "9"
    & skf18("5","1","10","10","3","7","1") = "9"
    & skf18("5","1","10","10","3","8","1") = "9"
    & skf18("5","1","10","10","3","9","1") = "9"
    & skf18("5","1","10","10","3","10","1") = "9"
    & skf18("5","1","10","10","4","1","1") = "9"
    & skf18("5","1","10","10","4","2","1") = "9"
    & skf18("5","1","10","10","4","3","1") = "9"
    & skf18("5","1","10","10","4","4","1") = "9"
    & skf18("5","1","10","10","4","5","1") = "9"
    & skf18("5","1","10","10","4","6","1") = "9"
    & skf18("5","1","10","10","4","7","1") = "9"
    & skf18("5","1","10","10","4","8","1") = "9"
    & skf18("5","1","10","10","4","9","1") = "9"
    & skf18("5","1","10","10","4","10","1") = "9"
    & skf18("5","1","10","10","5","1","1") = "9"
    & skf18("5","1","10","10","5","2","1") = "9"
    & skf18("5","1","10","10","5","3","1") = "9"
    & skf18("5","1","10","10","5","4","1") = "9"
    & skf18("5","1","10","10","5","5","1") = "9"
    & skf18("5","1","10","10","5","6","1") = "9"
    & skf18("5","1","10","10","5","7","1") = "9"
    & skf18("5","1","10","10","5","8","1") = "9"
    & skf18("5","1","10","10","5","9","1") = "9"
    & skf18("5","1","10","10","5","10","1") = "9"
    & skf18("5","1","10","10","6","1","1") = "9"
    & skf18("5","1","10","10","6","2","1") = "9"
    & skf18("5","1","10","10","6","3","1") = "9"
    & skf18("5","1","10","10","6","4","1") = "9"
    & skf18("5","1","10","10","6","5","1") = "9"
    & skf18("5","1","10","10","6","6","1") = "9"
    & skf18("5","1","10","10","6","7","1") = "9"
    & skf18("5","1","10","10","6","8","1") = "9"
    & skf18("5","1","10","10","6","9","1") = "9"
    & skf18("5","1","10","10","6","10","1") = "9"
    & skf18("5","1","10","10","7","1","1") = "9"
    & skf18("5","1","10","10","7","2","1") = "9"
    & skf18("5","1","10","10","7","3","1") = "9"
    & skf18("5","1","10","10","7","4","1") = "9"
    & skf18("5","1","10","10","7","5","1") = "9"
    & skf18("5","1","10","10","7","6","1") = "9"
    & skf18("5","1","10","10","7","7","1") = "9"
    & skf18("5","1","10","10","7","8","1") = "9"
    & skf18("5","1","10","10","7","9","1") = "9"
    & skf18("5","1","10","10","7","10","1") = "9"
    & skf18("5","1","10","10","8","1","1") = "9"
    & skf18("5","1","10","10","8","2","1") = "9"
    & skf18("5","1","10","10","8","3","1") = "9"
    & skf18("5","1","10","10","8","4","1") = "9"
    & skf18("5","1","10","10","8","5","1") = "9"
    & skf18("5","1","10","10","8","6","1") = "9"
    & skf18("5","1","10","10","8","7","1") = "9"
    & skf18("5","1","10","10","8","8","1") = "9"
    & skf18("5","1","10","10","8","9","1") = "9"
    & skf18("5","1","10","10","8","10","1") = "9"
    & skf18("5","1","10","10","9","1","1") = "9"
    & skf18("5","1","10","10","9","2","1") = "9"
    & skf18("5","1","10","10","9","3","1") = "9"
    & skf18("5","1","10","10","9","4","1") = "9"
    & skf18("5","1","10","10","9","5","1") = "9"
    & skf18("5","1","10","10","9","6","1") = "9"
    & skf18("5","1","10","10","9","7","1") = "9"
    & skf18("5","1","10","10","9","8","1") = "9"
    & skf18("5","1","10","10","9","9","1") = "9"
    & skf18("5","1","10","10","9","10","1") = "9"
    & skf18("5","1","10","10","10","1","1") = "9"
    & skf18("5","1","10","10","10","2","1") = "9"
    & skf18("5","1","10","10","10","3","1") = "9"
    & skf18("5","1","10","10","10","4","1") = "9"
    & skf18("5","1","10","10","10","5","1") = "9"
    & skf18("5","1","10","10","10","6","1") = "9"
    & skf18("5","1","10","10","10","7","1") = "9"
    & skf18("5","1","10","10","10","8","1") = "9"
    & skf18("5","1","10","10","10","9","1") = "9"
    & skf18("5","1","10","10","10","10","1") = "9"
    & skf18("5","2","1","1","1","1","1") = "4"
    & skf18("5","2","1","1","1","2","1") = "4"
    & skf18("5","2","1","1","1","3","1") = "4"
    & skf18("5","2","1","1","1","4","1") = "4"
    & skf18("5","2","1","1","1","5","1") = "4"
    & skf18("5","2","1","1","1","6","1") = "5"
    & skf18("5","2","1","1","1","7","1") = "6"
    & skf18("5","2","1","1","1","8","1") = "7"
    & skf18("5","2","1","1","1","9","1") = "8"
    & skf18("5","2","1","1","1","10","1") = "9"
    & skf18("5","2","1","1","2","1","1") = "4"
    & skf18("5","2","1","1","2","2","1") = "4"
    & skf18("5","2","1","1","2","3","1") = "4"
    & skf18("5","2","1","1","2","4","1") = "4"
    & skf18("5","2","1","1","2","5","1") = "4"
    & skf18("5","2","1","1","2","6","1") = "5"
    & skf18("5","2","1","1","2","7","1") = "6"
    & skf18("5","2","1","1","2","8","1") = "7"
    & skf18("5","2","1","1","2","9","1") = "8"
    & skf18("5","2","1","1","2","10","1") = "9"
    & skf18("5","2","1","1","3","1","1") = "4"
    & skf18("5","2","1","1","3","2","1") = "4"
    & skf18("5","2","1","1","3","3","1") = "4"
    & skf18("5","2","1","1","3","4","1") = "4"
    & skf18("5","2","1","1","3","5","1") = "4"
    & skf18("5","2","1","1","3","6","1") = "5"
    & skf18("5","2","1","1","3","7","1") = "6"
    & skf18("5","2","1","1","3","8","1") = "7"
    & skf18("5","2","1","1","3","9","1") = "8"
    & skf18("5","2","1","1","3","10","1") = "9"
    & skf18("5","2","1","1","4","1","1") = "4"
    & skf18("5","2","1","1","4","2","1") = "4"
    & skf18("5","2","1","1","4","3","1") = "4"
    & skf18("5","2","1","1","4","4","1") = "4"
    & skf18("5","2","1","1","4","5","1") = "4"
    & skf18("5","2","1","1","4","6","1") = "5"
    & skf18("5","2","1","1","4","7","1") = "6"
    & skf18("5","2","1","1","4","8","1") = "7"
    & skf18("5","2","1","1","4","9","1") = "8"
    & skf18("5","2","1","1","4","10","1") = "9"
    & skf18("5","2","1","1","5","1","1") = "4"
    & skf18("5","2","1","1","5","2","1") = "4"
    & skf18("5","2","1","1","5","3","1") = "4"
    & skf18("5","2","1","1","5","4","1") = "4"
    & skf18("5","2","1","1","5","5","1") = "4"
    & skf18("5","2","1","1","5","6","1") = "5"
    & skf18("5","2","1","1","5","7","1") = "6"
    & skf18("5","2","1","1","5","8","1") = "7"
    & skf18("5","2","1","1","5","9","1") = "8"
    & skf18("5","2","1","1","5","10","1") = "9"
    & skf18("5","2","1","1","6","1","1") = "5"
    & skf18("5","2","1","1","6","2","1") = "5"
    & skf18("5","2","1","1","6","3","1") = "5"
    & skf18("5","2","1","1","6","4","1") = "5"
    & skf18("5","2","1","1","6","5","1") = "5"
    & skf18("5","2","1","1","6","6","1") = "5"
    & skf18("5","2","1","1","6","7","1") = "6"
    & skf18("5","2","1","1","6","8","1") = "7"
    & skf18("5","2","1","1","6","9","1") = "8"
    & skf18("5","2","1","1","6","10","1") = "9"
    & skf18("5","2","1","1","7","1","1") = "6"
    & skf18("5","2","1","1","7","2","1") = "6"
    & skf18("5","2","1","1","7","3","1") = "6"
    & skf18("5","2","1","1","7","4","1") = "6"
    & skf18("5","2","1","1","7","5","1") = "6"
    & skf18("5","2","1","1","7","6","1") = "6"
    & skf18("5","2","1","1","7","7","1") = "6"
    & skf18("5","2","1","1","7","8","1") = "7"
    & skf18("5","2","1","1","7","9","1") = "8"
    & skf18("5","2","1","1","7","10","1") = "9"
    & skf18("5","2","1","1","8","1","1") = "7"
    & skf18("5","2","1","1","8","2","1") = "7"
    & skf18("5","2","1","1","8","3","1") = "7"
    & skf18("5","2","1","1","8","4","1") = "7"
    & skf18("5","2","1","1","8","5","1") = "7"
    & skf18("5","2","1","1","8","6","1") = "7"
    & skf18("5","2","1","1","8","7","1") = "7"
    & skf18("5","2","1","1","8","8","1") = "7"
    & skf18("5","2","1","1","8","9","1") = "8"
    & skf18("5","2","1","1","8","10","1") = "9"
    & skf18("5","2","1","1","9","1","1") = "8"
    & skf18("5","2","1","1","9","2","1") = "8"
    & skf18("5","2","1","1","9","3","1") = "8"
    & skf18("5","2","1","1","9","4","1") = "8"
    & skf18("5","2","1","1","9","5","1") = "8"
    & skf18("5","2","1","1","9","6","1") = "8"
    & skf18("5","2","1","1","9","7","1") = "8"
    & skf18("5","2","1","1","9","8","1") = "8"
    & skf18("5","2","1","1","9","9","1") = "8"
    & skf18("5","2","1","1","9","10","1") = "9"
    & skf18("5","2","1","1","10","1","1") = "9"
    & skf18("5","2","1","1","10","2","1") = "9"
    & skf18("5","2","1","1","10","3","1") = "9"
    & skf18("5","2","1","1","10","4","1") = "9"
    & skf18("5","2","1","1","10","5","1") = "9"
    & skf18("5","2","1","1","10","6","1") = "9"
    & skf18("5","2","1","1","10","7","1") = "9"
    & skf18("5","2","1","1","10","8","1") = "9"
    & skf18("5","2","1","1","10","9","1") = "9"
    & skf18("5","2","1","1","10","10","1") = "9"
    & skf18("5","2","1","2","1","1","1") = "4"
    & skf18("5","2","1","2","1","2","1") = "4"
    & skf18("5","2","1","2","1","3","1") = "4"
    & skf18("5","2","1","2","1","4","1") = "4"
    & skf18("5","2","1","2","1","5","1") = "4"
    & skf18("5","2","1","2","1","6","1") = "5"
    & skf18("5","2","1","2","1","7","1") = "6"
    & skf18("5","2","1","2","1","8","1") = "7"
    & skf18("5","2","1","2","1","9","1") = "8"
    & skf18("5","2","1","2","1","10","1") = "9"
    & skf18("5","2","1","2","2","1","1") = "4"
    & skf18("5","2","1","2","2","2","1") = "4"
    & skf18("5","2","1","2","2","3","1") = "4"
    & skf18("5","2","1","2","2","4","1") = "4"
    & skf18("5","2","1","2","2","5","1") = "4"
    & skf18("5","2","1","2","2","6","1") = "5"
    & skf18("5","2","1","2","2","7","1") = "6"
    & skf18("5","2","1","2","2","8","1") = "7"
    & skf18("5","2","1","2","2","9","1") = "8"
    & skf18("5","2","1","2","2","10","1") = "9"
    & skf18("5","2","1","2","3","1","1") = "4"
    & skf18("5","2","1","2","3","2","1") = "4"
    & skf18("5","2","1","2","3","3","1") = "4"
    & skf18("5","2","1","2","3","4","1") = "4"
    & skf18("5","2","1","2","3","5","1") = "4"
    & skf18("5","2","1","2","3","6","1") = "5"
    & skf18("5","2","1","2","3","7","1") = "6"
    & skf18("5","2","1","2","3","8","1") = "7"
    & skf18("5","2","1","2","3","9","1") = "8"
    & skf18("5","2","1","2","3","10","1") = "9"
    & skf18("5","2","1","2","4","1","1") = "4"
    & skf18("5","2","1","2","4","2","1") = "4"
    & skf18("5","2","1","2","4","3","1") = "4"
    & skf18("5","2","1","2","4","4","1") = "4"
    & skf18("5","2","1","2","4","5","1") = "4"
    & skf18("5","2","1","2","4","6","1") = "5"
    & skf18("5","2","1","2","4","7","1") = "6"
    & skf18("5","2","1","2","4","8","1") = "7"
    & skf18("5","2","1","2","4","9","1") = "8"
    & skf18("5","2","1","2","4","10","1") = "9"
    & skf18("5","2","1","2","5","1","1") = "4"
    & skf18("5","2","1","2","5","2","1") = "4"
    & skf18("5","2","1","2","5","3","1") = "4"
    & skf18("5","2","1","2","5","4","1") = "4"
    & skf18("5","2","1","2","5","5","1") = "4"
    & skf18("5","2","1","2","5","6","1") = "5"
    & skf18("5","2","1","2","5","7","1") = "6"
    & skf18("5","2","1","2","5","8","1") = "7"
    & skf18("5","2","1","2","5","9","1") = "8"
    & skf18("5","2","1","2","5","10","1") = "9"
    & skf18("5","2","1","2","6","1","1") = "5"
    & skf18("5","2","1","2","6","2","1") = "5"
    & skf18("5","2","1","2","6","3","1") = "5"
    & skf18("5","2","1","2","6","4","1") = "5"
    & skf18("5","2","1","2","6","5","1") = "5"
    & skf18("5","2","1","2","6","6","1") = "5"
    & skf18("5","2","1","2","6","7","1") = "6"
    & skf18("5","2","1","2","6","8","1") = "7"
    & skf18("5","2","1","2","6","9","1") = "8"
    & skf18("5","2","1","2","6","10","1") = "9"
    & skf18("5","2","1","2","7","1","1") = "6"
    & skf18("5","2","1","2","7","2","1") = "6"
    & skf18("5","2","1","2","7","3","1") = "6"
    & skf18("5","2","1","2","7","4","1") = "6"
    & skf18("5","2","1","2","7","5","1") = "6"
    & skf18("5","2","1","2","7","6","1") = "6"
    & skf18("5","2","1","2","7","7","1") = "6"
    & skf18("5","2","1","2","7","8","1") = "7"
    & skf18("5","2","1","2","7","9","1") = "8"
    & skf18("5","2","1","2","7","10","1") = "9"
    & skf18("5","2","1","2","8","1","1") = "7"
    & skf18("5","2","1","2","8","2","1") = "7"
    & skf18("5","2","1","2","8","3","1") = "7"
    & skf18("5","2","1","2","8","4","1") = "7"
    & skf18("5","2","1","2","8","5","1") = "7"
    & skf18("5","2","1","2","8","6","1") = "7"
    & skf18("5","2","1","2","8","7","1") = "7"
    & skf18("5","2","1","2","8","8","1") = "7"
    & skf18("5","2","1","2","8","9","1") = "8"
    & skf18("5","2","1","2","8","10","1") = "9"
    & skf18("5","2","1","2","9","1","1") = "8"
    & skf18("5","2","1","2","9","2","1") = "8"
    & skf18("5","2","1","2","9","3","1") = "8"
    & skf18("5","2","1","2","9","4","1") = "8"
    & skf18("5","2","1","2","9","5","1") = "8"
    & skf18("5","2","1","2","9","6","1") = "8"
    & skf18("5","2","1","2","9","7","1") = "8"
    & skf18("5","2","1","2","9","8","1") = "8"
    & skf18("5","2","1","2","9","9","1") = "8"
    & skf18("5","2","1","2","9","10","1") = "9"
    & skf18("5","2","1","2","10","1","1") = "9"
    & skf18("5","2","1","2","10","2","1") = "9"
    & skf18("5","2","1","2","10","3","1") = "9"
    & skf18("5","2","1","2","10","4","1") = "9"
    & skf18("5","2","1","2","10","5","1") = "9"
    & skf18("5","2","1","2","10","6","1") = "9"
    & skf18("5","2","1","2","10","7","1") = "9"
    & skf18("5","2","1","2","10","8","1") = "9"
    & skf18("5","2","1","2","10","9","1") = "9"
    & skf18("5","2","1","2","10","10","1") = "9"
    & skf18("5","2","1","3","1","1","1") = "4"
    & skf18("5","2","1","3","1","2","1") = "4"
    & skf18("5","2","1","3","1","3","1") = "4"
    & skf18("5","2","1","3","1","4","1") = "4"
    & skf18("5","2","1","3","1","5","1") = "4"
    & skf18("5","2","1","3","1","6","1") = "5"
    & skf18("5","2","1","3","1","7","1") = "6"
    & skf18("5","2","1","3","1","8","1") = "7"
    & skf18("5","2","1","3","1","9","1") = "8"
    & skf18("5","2","1","3","1","10","1") = "9"
    & skf18("5","2","1","3","2","1","1") = "4"
    & skf18("5","2","1","3","2","2","1") = "4"
    & skf18("5","2","1","3","2","3","1") = "4"
    & skf18("5","2","1","3","2","4","1") = "4"
    & skf18("5","2","1","3","2","5","1") = "4"
    & skf18("5","2","1","3","2","6","1") = "5"
    & skf18("5","2","1","3","2","7","1") = "6"
    & skf18("5","2","1","3","2","8","1") = "7"
    & skf18("5","2","1","3","2","9","1") = "8"
    & skf18("5","2","1","3","2","10","1") = "9"
    & skf18("5","2","1","3","3","1","1") = "4"
    & skf18("5","2","1","3","3","2","1") = "4"
    & skf18("5","2","1","3","3","3","1") = "4"
    & skf18("5","2","1","3","3","4","1") = "4"
    & skf18("5","2","1","3","3","5","1") = "4"
    & skf18("5","2","1","3","3","6","1") = "5"
    & skf18("5","2","1","3","3","7","1") = "6"
    & skf18("5","2","1","3","3","8","1") = "7"
    & skf18("5","2","1","3","3","9","1") = "8"
    & skf18("5","2","1","3","3","10","1") = "9"
    & skf18("5","2","1","3","4","1","1") = "4"
    & skf18("5","2","1","3","4","2","1") = "4"
    & skf18("5","2","1","3","4","3","1") = "4"
    & skf18("5","2","1","3","4","4","1") = "4"
    & skf18("5","2","1","3","4","5","1") = "4"
    & skf18("5","2","1","3","4","6","1") = "5"
    & skf18("5","2","1","3","4","7","1") = "6"
    & skf18("5","2","1","3","4","8","1") = "7"
    & skf18("5","2","1","3","4","9","1") = "8"
    & skf18("5","2","1","3","4","10","1") = "9"
    & skf18("5","2","1","3","5","1","1") = "4"
    & skf18("5","2","1","3","5","2","1") = "4"
    & skf18("5","2","1","3","5","3","1") = "4"
    & skf18("5","2","1","3","5","4","1") = "4"
    & skf18("5","2","1","3","5","5","1") = "4"
    & skf18("5","2","1","3","5","6","1") = "5"
    & skf18("5","2","1","3","5","7","1") = "6"
    & skf18("5","2","1","3","5","8","1") = "7"
    & skf18("5","2","1","3","5","9","1") = "8"
    & skf18("5","2","1","3","5","10","1") = "9"
    & skf18("5","2","1","3","6","1","1") = "5"
    & skf18("5","2","1","3","6","2","1") = "5"
    & skf18("5","2","1","3","6","3","1") = "5"
    & skf18("5","2","1","3","6","4","1") = "5"
    & skf18("5","2","1","3","6","5","1") = "5"
    & skf18("5","2","1","3","6","6","1") = "5"
    & skf18("5","2","1","3","6","7","1") = "6"
    & skf18("5","2","1","3","6","8","1") = "7"
    & skf18("5","2","1","3","6","9","1") = "8"
    & skf18("5","2","1","3","6","10","1") = "9"
    & skf18("5","2","1","3","7","1","1") = "6"
    & skf18("5","2","1","3","7","2","1") = "6"
    & skf18("5","2","1","3","7","3","1") = "6"
    & skf18("5","2","1","3","7","4","1") = "6"
    & skf18("5","2","1","3","7","5","1") = "6"
    & skf18("5","2","1","3","7","6","1") = "6"
    & skf18("5","2","1","3","7","7","1") = "6"
    & skf18("5","2","1","3","7","8","1") = "7"
    & skf18("5","2","1","3","7","9","1") = "8"
    & skf18("5","2","1","3","7","10","1") = "9"
    & skf18("5","2","1","3","8","1","1") = "7"
    & skf18("5","2","1","3","8","2","1") = "7"
    & skf18("5","2","1","3","8","3","1") = "7"
    & skf18("5","2","1","3","8","4","1") = "7"
    & skf18("5","2","1","3","8","5","1") = "7"
    & skf18("5","2","1","3","8","6","1") = "7"
    & skf18("5","2","1","3","8","7","1") = "7"
    & skf18("5","2","1","3","8","8","1") = "7"
    & skf18("5","2","1","3","8","9","1") = "8"
    & skf18("5","2","1","3","8","10","1") = "9"
    & skf18("5","2","1","3","9","1","1") = "8"
    & skf18("5","2","1","3","9","2","1") = "8"
    & skf18("5","2","1","3","9","3","1") = "8"
    & skf18("5","2","1","3","9","4","1") = "8"
    & skf18("5","2","1","3","9","5","1") = "8"
    & skf18("5","2","1","3","9","6","1") = "8"
    & skf18("5","2","1","3","9","7","1") = "8"
    & skf18("5","2","1","3","9","8","1") = "8"
    & skf18("5","2","1","3","9","9","1") = "8"
    & skf18("5","2","1","3","9","10","1") = "9"
    & skf18("5","2","1","3","10","1","1") = "9"
    & skf18("5","2","1","3","10","2","1") = "9"
    & skf18("5","2","1","3","10","3","1") = "9"
    & skf18("5","2","1","3","10","4","1") = "9"
    & skf18("5","2","1","3","10","5","1") = "9"
    & skf18("5","2","1","3","10","6","1") = "9"
    & skf18("5","2","1","3","10","7","1") = "9"
    & skf18("5","2","1","3","10","8","1") = "9"
    & skf18("5","2","1","3","10","9","1") = "9"
    & skf18("5","2","1","3","10","10","1") = "9"
    & skf18("5","2","1","4","1","1","1") = "4"
    & skf18("5","2","1","4","1","2","1") = "4"
    & skf18("5","2","1","4","1","3","1") = "4"
    & skf18("5","2","1","4","1","4","1") = "4"
    & skf18("5","2","1","4","1","5","1") = "4"
    & skf18("5","2","1","4","1","6","1") = "5"
    & skf18("5","2","1","4","1","7","1") = "6"
    & skf18("5","2","1","4","1","8","1") = "7"
    & skf18("5","2","1","4","1","9","1") = "8"
    & skf18("5","2","1","4","1","10","1") = "9"
    & skf18("5","2","1","4","2","1","1") = "4"
    & skf18("5","2","1","4","2","2","1") = "4"
    & skf18("5","2","1","4","2","3","1") = "4"
    & skf18("5","2","1","4","2","4","1") = "4"
    & skf18("5","2","1","4","2","5","1") = "4"
    & skf18("5","2","1","4","2","6","1") = "5"
    & skf18("5","2","1","4","2","7","1") = "6"
    & skf18("5","2","1","4","2","8","1") = "7"
    & skf18("5","2","1","4","2","9","1") = "8"
    & skf18("5","2","1","4","2","10","1") = "9"
    & skf18("5","2","1","4","3","1","1") = "4"
    & skf18("5","2","1","4","3","2","1") = "4"
    & skf18("5","2","1","4","3","3","1") = "4"
    & skf18("5","2","1","4","3","4","1") = "4"
    & skf18("5","2","1","4","3","5","1") = "4"
    & skf18("5","2","1","4","3","6","1") = "5"
    & skf18("5","2","1","4","3","7","1") = "6"
    & skf18("5","2","1","4","3","8","1") = "7"
    & skf18("5","2","1","4","3","9","1") = "8"
    & skf18("5","2","1","4","3","10","1") = "9"
    & skf18("5","2","1","4","4","1","1") = "4"
    & skf18("5","2","1","4","4","2","1") = "4"
    & skf18("5","2","1","4","4","3","1") = "4"
    & skf18("5","2","1","4","4","4","1") = "4"
    & skf18("5","2","1","4","4","5","1") = "4"
    & skf18("5","2","1","4","4","6","1") = "5"
    & skf18("5","2","1","4","4","7","1") = "6"
    & skf18("5","2","1","4","4","8","1") = "7"
    & skf18("5","2","1","4","4","9","1") = "8"
    & skf18("5","2","1","4","4","10","1") = "9"
    & skf18("5","2","1","4","5","1","1") = "4"
    & skf18("5","2","1","4","5","2","1") = "4"
    & skf18("5","2","1","4","5","3","1") = "4"
    & skf18("5","2","1","4","5","4","1") = "4"
    & skf18("5","2","1","4","5","5","1") = "4"
    & skf18("5","2","1","4","5","6","1") = "5"
    & skf18("5","2","1","4","5","7","1") = "6"
    & skf18("5","2","1","4","5","8","1") = "7"
    & skf18("5","2","1","4","5","9","1") = "8"
    & skf18("5","2","1","4","5","10","1") = "9"
    & skf18("5","2","1","4","6","1","1") = "5"
    & skf18("5","2","1","4","6","2","1") = "5"
    & skf18("5","2","1","4","6","3","1") = "5"
    & skf18("5","2","1","4","6","4","1") = "5"
    & skf18("5","2","1","4","6","5","1") = "5"
    & skf18("5","2","1","4","6","6","1") = "5"
    & skf18("5","2","1","4","6","7","1") = "6"
    & skf18("5","2","1","4","6","8","1") = "7"
    & skf18("5","2","1","4","6","9","1") = "8"
    & skf18("5","2","1","4","6","10","1") = "9"
    & skf18("5","2","1","4","7","1","1") = "6"
    & skf18("5","2","1","4","7","2","1") = "6"
    & skf18("5","2","1","4","7","3","1") = "6"
    & skf18("5","2","1","4","7","4","1") = "6"
    & skf18("5","2","1","4","7","5","1") = "6"
    & skf18("5","2","1","4","7","6","1") = "6"
    & skf18("5","2","1","4","7","7","1") = "6"
    & skf18("5","2","1","4","7","8","1") = "7"
    & skf18("5","2","1","4","7","9","1") = "8"
    & skf18("5","2","1","4","7","10","1") = "9"
    & skf18("5","2","1","4","8","1","1") = "7"
    & skf18("5","2","1","4","8","2","1") = "7"
    & skf18("5","2","1","4","8","3","1") = "7"
    & skf18("5","2","1","4","8","4","1") = "7"
    & skf18("5","2","1","4","8","5","1") = "7"
    & skf18("5","2","1","4","8","6","1") = "7"
    & skf18("5","2","1","4","8","7","1") = "7"
    & skf18("5","2","1","4","8","8","1") = "7"
    & skf18("5","2","1","4","8","9","1") = "8"
    & skf18("5","2","1","4","8","10","1") = "9"
    & skf18("5","2","1","4","9","1","1") = "8"
    & skf18("5","2","1","4","9","2","1") = "8"
    & skf18("5","2","1","4","9","3","1") = "8"
    & skf18("5","2","1","4","9","4","1") = "8"
    & skf18("5","2","1","4","9","5","1") = "8"
    & skf18("5","2","1","4","9","6","1") = "8"
    & skf18("5","2","1","4","9","7","1") = "8"
    & skf18("5","2","1","4","9","8","1") = "8"
    & skf18("5","2","1","4","9","9","1") = "8"
    & skf18("5","2","1","4","9","10","1") = "9"
    & skf18("5","2","1","4","10","1","1") = "9"
    & skf18("5","2","1","4","10","2","1") = "9"
    & skf18("5","2","1","4","10","3","1") = "9"
    & skf18("5","2","1","4","10","4","1") = "9"
    & skf18("5","2","1","4","10","5","1") = "9"
    & skf18("5","2","1","4","10","6","1") = "9"
    & skf18("5","2","1","4","10","7","1") = "9"
    & skf18("5","2","1","4","10","8","1") = "9"
    & skf18("5","2","1","4","10","9","1") = "9"
    & skf18("5","2","1","4","10","10","1") = "9"
    & skf18("5","2","1","5","1","1","1") = "4"
    & skf18("5","2","1","5","1","2","1") = "4"
    & skf18("5","2","1","5","1","3","1") = "4"
    & skf18("5","2","1","5","1","4","1") = "4"
    & skf18("5","2","1","5","1","5","1") = "4"
    & skf18("5","2","1","5","1","6","1") = "5"
    & skf18("5","2","1","5","1","7","1") = "6"
    & skf18("5","2","1","5","1","8","1") = "7"
    & skf18("5","2","1","5","1","9","1") = "8"
    & skf18("5","2","1","5","1","10","1") = "9"
    & skf18("5","2","1","5","2","1","1") = "4"
    & skf18("5","2","1","5","2","2","1") = "4"
    & skf18("5","2","1","5","2","3","1") = "4"
    & skf18("5","2","1","5","2","4","1") = "4"
    & skf18("5","2","1","5","2","5","1") = "4"
    & skf18("5","2","1","5","2","6","1") = "5"
    & skf18("5","2","1","5","2","7","1") = "6"
    & skf18("5","2","1","5","2","8","1") = "7"
    & skf18("5","2","1","5","2","9","1") = "8"
    & skf18("5","2","1","5","2","10","1") = "9"
    & skf18("5","2","1","5","3","1","1") = "4"
    & skf18("5","2","1","5","3","2","1") = "4"
    & skf18("5","2","1","5","3","3","1") = "4"
    & skf18("5","2","1","5","3","4","1") = "4"
    & skf18("5","2","1","5","3","5","1") = "4"
    & skf18("5","2","1","5","3","6","1") = "5"
    & skf18("5","2","1","5","3","7","1") = "6"
    & skf18("5","2","1","5","3","8","1") = "7"
    & skf18("5","2","1","5","3","9","1") = "8"
    & skf18("5","2","1","5","3","10","1") = "9"
    & skf18("5","2","1","5","4","1","1") = "4"
    & skf18("5","2","1","5","4","2","1") = "4"
    & skf18("5","2","1","5","4","3","1") = "4"
    & skf18("5","2","1","5","4","4","1") = "4"
    & skf18("5","2","1","5","4","5","1") = "4"
    & skf18("5","2","1","5","4","6","1") = "5"
    & skf18("5","2","1","5","4","7","1") = "6"
    & skf18("5","2","1","5","4","8","1") = "7"
    & skf18("5","2","1","5","4","9","1") = "8"
    & skf18("5","2","1","5","4","10","1") = "9"
    & skf18("5","2","1","5","5","1","1") = "4"
    & skf18("5","2","1","5","5","2","1") = "4"
    & skf18("5","2","1","5","5","3","1") = "4"
    & skf18("5","2","1","5","5","4","1") = "4"
    & skf18("5","2","1","5","5","5","1") = "4"
    & skf18("5","2","1","5","5","6","1") = "5"
    & skf18("5","2","1","5","5","7","1") = "6"
    & skf18("5","2","1","5","5","8","1") = "7"
    & skf18("5","2","1","5","5","9","1") = "8"
    & skf18("5","2","1","5","5","10","1") = "9"
    & skf18("5","2","1","5","6","1","1") = "5"
    & skf18("5","2","1","5","6","2","1") = "5"
    & skf18("5","2","1","5","6","3","1") = "5"
    & skf18("5","2","1","5","6","4","1") = "5"
    & skf18("5","2","1","5","6","5","1") = "5"
    & skf18("5","2","1","5","6","6","1") = "5"
    & skf18("5","2","1","5","6","7","1") = "6"
    & skf18("5","2","1","5","6","8","1") = "7"
    & skf18("5","2","1","5","6","9","1") = "8"
    & skf18("5","2","1","5","6","10","1") = "9"
    & skf18("5","2","1","5","7","1","1") = "6"
    & skf18("5","2","1","5","7","2","1") = "6"
    & skf18("5","2","1","5","7","3","1") = "6"
    & skf18("5","2","1","5","7","4","1") = "6"
    & skf18("5","2","1","5","7","5","1") = "6"
    & skf18("5","2","1","5","7","6","1") = "6"
    & skf18("5","2","1","5","7","7","1") = "6"
    & skf18("5","2","1","5","7","8","1") = "7"
    & skf18("5","2","1","5","7","9","1") = "8"
    & skf18("5","2","1","5","7","10","1") = "9"
    & skf18("5","2","1","5","8","1","1") = "7"
    & skf18("5","2","1","5","8","2","1") = "7"
    & skf18("5","2","1","5","8","3","1") = "7"
    & skf18("5","2","1","5","8","4","1") = "7"
    & skf18("5","2","1","5","8","5","1") = "7"
    & skf18("5","2","1","5","8","6","1") = "7"
    & skf18("5","2","1","5","8","7","1") = "7"
    & skf18("5","2","1","5","8","8","1") = "7"
    & skf18("5","2","1","5","8","9","1") = "8"
    & skf18("5","2","1","5","8","10","1") = "9"
    & skf18("5","2","1","5","9","1","1") = "8"
    & skf18("5","2","1","5","9","2","1") = "8"
    & skf18("5","2","1","5","9","3","1") = "8"
    & skf18("5","2","1","5","9","4","1") = "8"
    & skf18("5","2","1","5","9","5","1") = "8"
    & skf18("5","2","1","5","9","6","1") = "8"
    & skf18("5","2","1","5","9","7","1") = "8"
    & skf18("5","2","1","5","9","8","1") = "8"
    & skf18("5","2","1","5","9","9","1") = "8"
    & skf18("5","2","1","5","9","10","1") = "9"
    & skf18("5","2","1","5","10","1","1") = "9"
    & skf18("5","2","1","5","10","2","1") = "9"
    & skf18("5","2","1","5","10","3","1") = "9"
    & skf18("5","2","1","5","10","4","1") = "9"
    & skf18("5","2","1","5","10","5","1") = "9"
    & skf18("5","2","1","5","10","6","1") = "9"
    & skf18("5","2","1","5","10","7","1") = "9"
    & skf18("5","2","1","5","10","8","1") = "9"
    & skf18("5","2","1","5","10","9","1") = "9"
    & skf18("5","2","1","5","10","10","1") = "9"
    & skf18("5","2","1","6","1","1","1") = "5"
    & skf18("5","2","1","6","1","2","1") = "5"
    & skf18("5","2","1","6","1","3","1") = "5"
    & skf18("5","2","1","6","1","4","1") = "5"
    & skf18("5","2","1","6","1","5","1") = "5"
    & skf18("5","2","1","6","1","6","1") = "5"
    & skf18("5","2","1","6","1","7","1") = "6"
    & skf18("5","2","1","6","1","8","1") = "7"
    & skf18("5","2","1","6","1","9","1") = "8"
    & skf18("5","2","1","6","1","10","1") = "9"
    & skf18("5","2","1","6","2","1","1") = "5"
    & skf18("5","2","1","6","2","2","1") = "5"
    & skf18("5","2","1","6","2","3","1") = "5"
    & skf18("5","2","1","6","2","4","1") = "5"
    & skf18("5","2","1","6","2","5","1") = "5"
    & skf18("5","2","1","6","2","6","1") = "5"
    & skf18("5","2","1","6","2","7","1") = "6"
    & skf18("5","2","1","6","2","8","1") = "7"
    & skf18("5","2","1","6","2","9","1") = "8"
    & skf18("5","2","1","6","2","10","1") = "9"
    & skf18("5","2","1","6","3","1","1") = "5"
    & skf18("5","2","1","6","3","2","1") = "5"
    & skf18("5","2","1","6","3","3","1") = "5"
    & skf18("5","2","1","6","3","4","1") = "5"
    & skf18("5","2","1","6","3","5","1") = "5"
    & skf18("5","2","1","6","3","6","1") = "5"
    & skf18("5","2","1","6","3","7","1") = "6"
    & skf18("5","2","1","6","3","8","1") = "7"
    & skf18("5","2","1","6","3","9","1") = "8"
    & skf18("5","2","1","6","3","10","1") = "9"
    & skf18("5","2","1","6","4","1","1") = "5"
    & skf18("5","2","1","6","4","2","1") = "5"
    & skf18("5","2","1","6","4","3","1") = "5"
    & skf18("5","2","1","6","4","4","1") = "5"
    & skf18("5","2","1","6","4","5","1") = "5"
    & skf18("5","2","1","6","4","6","1") = "5"
    & skf18("5","2","1","6","4","7","1") = "6"
    & skf18("5","2","1","6","4","8","1") = "7"
    & skf18("5","2","1","6","4","9","1") = "8"
    & skf18("5","2","1","6","4","10","1") = "9"
    & skf18("5","2","1","6","5","1","1") = "5"
    & skf18("5","2","1","6","5","2","1") = "5"
    & skf18("5","2","1","6","5","3","1") = "5"
    & skf18("5","2","1","6","5","4","1") = "5"
    & skf18("5","2","1","6","5","5","1") = "5"
    & skf18("5","2","1","6","5","6","1") = "5"
    & skf18("5","2","1","6","5","7","1") = "6"
    & skf18("5","2","1","6","5","8","1") = "7"
    & skf18("5","2","1","6","5","9","1") = "8"
    & skf18("5","2","1","6","5","10","1") = "9"
    & skf18("5","2","1","6","6","1","1") = "5"
    & skf18("5","2","1","6","6","2","1") = "5"
    & skf18("5","2","1","6","6","3","1") = "5"
    & skf18("5","2","1","6","6","4","1") = "5"
    & skf18("5","2","1","6","6","5","1") = "5"
    & skf18("5","2","1","6","6","6","1") = "5"
    & skf18("5","2","1","6","6","7","1") = "6"
    & skf18("5","2","1","6","6","8","1") = "7"
    & skf18("5","2","1","6","6","9","1") = "8"
    & skf18("5","2","1","6","6","10","1") = "9"
    & skf18("5","2","1","6","7","1","1") = "6"
    & skf18("5","2","1","6","7","2","1") = "6"
    & skf18("5","2","1","6","7","3","1") = "6"
    & skf18("5","2","1","6","7","4","1") = "6"
    & skf18("5","2","1","6","7","5","1") = "6"
    & skf18("5","2","1","6","7","6","1") = "6"
    & skf18("5","2","1","6","7","7","1") = "6"
    & skf18("5","2","1","6","7","8","1") = "7"
    & skf18("5","2","1","6","7","9","1") = "8"
    & skf18("5","2","1","6","7","10","1") = "9"
    & skf18("5","2","1","6","8","1","1") = "7"
    & skf18("5","2","1","6","8","2","1") = "7"
    & skf18("5","2","1","6","8","3","1") = "7"
    & skf18("5","2","1","6","8","4","1") = "7"
    & skf18("5","2","1","6","8","5","1") = "7"
    & skf18("5","2","1","6","8","6","1") = "7"
    & skf18("5","2","1","6","8","7","1") = "7"
    & skf18("5","2","1","6","8","8","1") = "7"
    & skf18("5","2","1","6","8","9","1") = "8"
    & skf18("5","2","1","6","8","10","1") = "9"
    & skf18("5","2","1","6","9","1","1") = "8"
    & skf18("5","2","1","6","9","2","1") = "8"
    & skf18("5","2","1","6","9","3","1") = "8"
    & skf18("5","2","1","6","9","4","1") = "8"
    & skf18("5","2","1","6","9","5","1") = "8"
    & skf18("5","2","1","6","9","6","1") = "8"
    & skf18("5","2","1","6","9","7","1") = "8"
    & skf18("5","2","1","6","9","8","1") = "8"
    & skf18("5","2","1","6","9","9","1") = "8"
    & skf18("5","2","1","6","9","10","1") = "9"
    & skf18("5","2","1","6","10","1","1") = "9"
    & skf18("5","2","1","6","10","2","1") = "9"
    & skf18("5","2","1","6","10","3","1") = "9"
    & skf18("5","2","1","6","10","4","1") = "9"
    & skf18("5","2","1","6","10","5","1") = "9"
    & skf18("5","2","1","6","10","6","1") = "9"
    & skf18("5","2","1","6","10","7","1") = "9"
    & skf18("5","2","1","6","10","8","1") = "9"
    & skf18("5","2","1","6","10","9","1") = "9"
    & skf18("5","2","1","6","10","10","1") = "9"
    & skf18("5","2","1","7","1","1","1") = "6"
    & skf18("5","2","1","7","1","2","1") = "6"
    & skf18("5","2","1","7","1","3","1") = "6"
    & skf18("5","2","1","7","1","4","1") = "6"
    & skf18("5","2","1","7","1","5","1") = "6"
    & skf18("5","2","1","7","1","6","1") = "6"
    & skf18("5","2","1","7","1","7","1") = "6"
    & skf18("5","2","1","7","1","8","1") = "7"
    & skf18("5","2","1","7","1","9","1") = "8"
    & skf18("5","2","1","7","1","10","1") = "9"
    & skf18("5","2","1","7","2","1","1") = "6"
    & skf18("5","2","1","7","2","2","1") = "6"
    & skf18("5","2","1","7","2","3","1") = "6"
    & skf18("5","2","1","7","2","4","1") = "6"
    & skf18("5","2","1","7","2","5","1") = "6"
    & skf18("5","2","1","7","2","6","1") = "6"
    & skf18("5","2","1","7","2","7","1") = "6"
    & skf18("5","2","1","7","2","8","1") = "7"
    & skf18("5","2","1","7","2","9","1") = "8"
    & skf18("5","2","1","7","2","10","1") = "9"
    & skf18("5","2","1","7","3","1","1") = "6"
    & skf18("5","2","1","7","3","2","1") = "6"
    & skf18("5","2","1","7","3","3","1") = "6"
    & skf18("5","2","1","7","3","4","1") = "6"
    & skf18("5","2","1","7","3","5","1") = "6"
    & skf18("5","2","1","7","3","6","1") = "6"
    & skf18("5","2","1","7","3","7","1") = "6"
    & skf18("5","2","1","7","3","8","1") = "7"
    & skf18("5","2","1","7","3","9","1") = "8"
    & skf18("5","2","1","7","3","10","1") = "9"
    & skf18("5","2","1","7","4","1","1") = "6"
    & skf18("5","2","1","7","4","2","1") = "6"
    & skf18("5","2","1","7","4","3","1") = "6"
    & skf18("5","2","1","7","4","4","1") = "6"
    & skf18("5","2","1","7","4","5","1") = "6"
    & skf18("5","2","1","7","4","6","1") = "6"
    & skf18("5","2","1","7","4","7","1") = "6"
    & skf18("5","2","1","7","4","8","1") = "7"
    & skf18("5","2","1","7","4","9","1") = "8"
    & skf18("5","2","1","7","4","10","1") = "9"
    & skf18("5","2","1","7","5","1","1") = "6"
    & skf18("5","2","1","7","5","2","1") = "6"
    & skf18("5","2","1","7","5","3","1") = "6"
    & skf18("5","2","1","7","5","4","1") = "6"
    & skf18("5","2","1","7","5","5","1") = "6"
    & skf18("5","2","1","7","5","6","1") = "6"
    & skf18("5","2","1","7","5","7","1") = "6"
    & skf18("5","2","1","7","5","8","1") = "7"
    & skf18("5","2","1","7","5","9","1") = "8"
    & skf18("5","2","1","7","5","10","1") = "9"
    & skf18("5","2","1","7","6","1","1") = "6"
    & skf18("5","2","1","7","6","2","1") = "6"
    & skf18("5","2","1","7","6","3","1") = "6"
    & skf18("5","2","1","7","6","4","1") = "6"
    & skf18("5","2","1","7","6","5","1") = "6"
    & skf18("5","2","1","7","6","6","1") = "6"
    & skf18("5","2","1","7","6","7","1") = "6"
    & skf18("5","2","1","7","6","8","1") = "7"
    & skf18("5","2","1","7","6","9","1") = "8"
    & skf18("5","2","1","7","6","10","1") = "9"
    & skf18("5","2","1","7","7","1","1") = "6"
    & skf18("5","2","1","7","7","2","1") = "6"
    & skf18("5","2","1","7","7","3","1") = "6"
    & skf18("5","2","1","7","7","4","1") = "6"
    & skf18("5","2","1","7","7","5","1") = "6"
    & skf18("5","2","1","7","7","6","1") = "6"
    & skf18("5","2","1","7","7","7","1") = "6"
    & skf18("5","2","1","7","7","8","1") = "7"
    & skf18("5","2","1","7","7","9","1") = "8"
    & skf18("5","2","1","7","7","10","1") = "9"
    & skf18("5","2","1","7","8","1","1") = "7"
    & skf18("5","2","1","7","8","2","1") = "7"
    & skf18("5","2","1","7","8","3","1") = "7"
    & skf18("5","2","1","7","8","4","1") = "7"
    & skf18("5","2","1","7","8","5","1") = "7"
    & skf18("5","2","1","7","8","6","1") = "7"
    & skf18("5","2","1","7","8","7","1") = "7"
    & skf18("5","2","1","7","8","8","1") = "7"
    & skf18("5","2","1","7","8","9","1") = "8"
    & skf18("5","2","1","7","8","10","1") = "9"
    & skf18("5","2","1","7","9","1","1") = "8"
    & skf18("5","2","1","7","9","2","1") = "8"
    & skf18("5","2","1","7","9","3","1") = "8"
    & skf18("5","2","1","7","9","4","1") = "8"
    & skf18("5","2","1","7","9","5","1") = "8"
    & skf18("5","2","1","7","9","6","1") = "8"
    & skf18("5","2","1","7","9","7","1") = "8"
    & skf18("5","2","1","7","9","8","1") = "8"
    & skf18("5","2","1","7","9","9","1") = "8"
    & skf18("5","2","1","7","9","10","1") = "9"
    & skf18("5","2","1","7","10","1","1") = "9"
    & skf18("5","2","1","7","10","2","1") = "9"
    & skf18("5","2","1","7","10","3","1") = "9"
    & skf18("5","2","1","7","10","4","1") = "9"
    & skf18("5","2","1","7","10","5","1") = "9"
    & skf18("5","2","1","7","10","6","1") = "9"
    & skf18("5","2","1","7","10","7","1") = "9"
    & skf18("5","2","1","7","10","8","1") = "9"
    & skf18("5","2","1","7","10","9","1") = "9"
    & skf18("5","2","1","7","10","10","1") = "9"
    & skf18("5","2","1","8","1","1","1") = "7"
    & skf18("5","2","1","8","1","2","1") = "7"
    & skf18("5","2","1","8","1","3","1") = "7"
    & skf18("5","2","1","8","1","4","1") = "7"
    & skf18("5","2","1","8","1","5","1") = "7"
    & skf18("5","2","1","8","1","6","1") = "7"
    & skf18("5","2","1","8","1","7","1") = "7"
    & skf18("5","2","1","8","1","8","1") = "7"
    & skf18("5","2","1","8","1","9","1") = "8"
    & skf18("5","2","1","8","1","10","1") = "9"
    & skf18("5","2","1","8","2","1","1") = "7"
    & skf18("5","2","1","8","2","2","1") = "7"
    & skf18("5","2","1","8","2","3","1") = "7"
    & skf18("5","2","1","8","2","4","1") = "7"
    & skf18("5","2","1","8","2","5","1") = "7"
    & skf18("5","2","1","8","2","6","1") = "7"
    & skf18("5","2","1","8","2","7","1") = "7"
    & skf18("5","2","1","8","2","8","1") = "7"
    & skf18("5","2","1","8","2","9","1") = "8"
    & skf18("5","2","1","8","2","10","1") = "9"
    & skf18("5","2","1","8","3","1","1") = "7"
    & skf18("5","2","1","8","3","2","1") = "7"
    & skf18("5","2","1","8","3","3","1") = "7"
    & skf18("5","2","1","8","3","4","1") = "7"
    & skf18("5","2","1","8","3","5","1") = "7"
    & skf18("5","2","1","8","3","6","1") = "7"
    & skf18("5","2","1","8","3","7","1") = "7"
    & skf18("5","2","1","8","3","8","1") = "7"
    & skf18("5","2","1","8","3","9","1") = "8"
    & skf18("5","2","1","8","3","10","1") = "9"
    & skf18("5","2","1","8","4","1","1") = "7"
    & skf18("5","2","1","8","4","2","1") = "7"
    & skf18("5","2","1","8","4","3","1") = "7"
    & skf18("5","2","1","8","4","4","1") = "7"
    & skf18("5","2","1","8","4","5","1") = "7"
    & skf18("5","2","1","8","4","6","1") = "7"
    & skf18("5","2","1","8","4","7","1") = "7"
    & skf18("5","2","1","8","4","8","1") = "7"
    & skf18("5","2","1","8","4","9","1") = "8"
    & skf18("5","2","1","8","4","10","1") = "9"
    & skf18("5","2","1","8","5","1","1") = "7"
    & skf18("5","2","1","8","5","2","1") = "7"
    & skf18("5","2","1","8","5","3","1") = "7"
    & skf18("5","2","1","8","5","4","1") = "7"
    & skf18("5","2","1","8","5","5","1") = "7"
    & skf18("5","2","1","8","5","6","1") = "7"
    & skf18("5","2","1","8","5","7","1") = "7"
    & skf18("5","2","1","8","5","8","1") = "7"
    & skf18("5","2","1","8","5","9","1") = "8"
    & skf18("5","2","1","8","5","10","1") = "9"
    & skf18("5","2","1","8","6","1","1") = "7"
    & skf18("5","2","1","8","6","2","1") = "7"
    & skf18("5","2","1","8","6","3","1") = "7"
    & skf18("5","2","1","8","6","4","1") = "7"
    & skf18("5","2","1","8","6","5","1") = "7"
    & skf18("5","2","1","8","6","6","1") = "7"
    & skf18("5","2","1","8","6","7","1") = "7"
    & skf18("5","2","1","8","6","8","1") = "7"
    & skf18("5","2","1","8","6","9","1") = "8"
    & skf18("5","2","1","8","6","10","1") = "9"
    & skf18("5","2","1","8","7","1","1") = "7"
    & skf18("5","2","1","8","7","2","1") = "7"
    & skf18("5","2","1","8","7","3","1") = "7"
    & skf18("5","2","1","8","7","4","1") = "7"
    & skf18("5","2","1","8","7","5","1") = "7"
    & skf18("5","2","1","8","7","6","1") = "7"
    & skf18("5","2","1","8","7","7","1") = "7"
    & skf18("5","2","1","8","7","8","1") = "7"
    & skf18("5","2","1","8","7","9","1") = "8"
    & skf18("5","2","1","8","7","10","1") = "9"
    & skf18("5","2","1","8","8","1","1") = "7"
    & skf18("5","2","1","8","8","2","1") = "7"
    & skf18("5","2","1","8","8","3","1") = "7"
    & skf18("5","2","1","8","8","4","1") = "7"
    & skf18("5","2","1","8","8","5","1") = "7"
    & skf18("5","2","1","8","8","6","1") = "7"
    & skf18("5","2","1","8","8","7","1") = "7"
    & skf18("5","2","1","8","8","8","1") = "7"
    & skf18("5","2","1","8","8","9","1") = "8"
    & skf18("5","2","1","8","8","10","1") = "9"
    & skf18("5","2","1","8","9","1","1") = "8"
    & skf18("5","2","1","8","9","2","1") = "8"
    & skf18("5","2","1","8","9","3","1") = "8"
    & skf18("5","2","1","8","9","4","1") = "8"
    & skf18("5","2","1","8","9","5","1") = "8"
    & skf18("5","2","1","8","9","6","1") = "8"
    & skf18("5","2","1","8","9","7","1") = "8"
    & skf18("5","2","1","8","9","8","1") = "8"
    & skf18("5","2","1","8","9","9","1") = "8"
    & skf18("5","2","1","8","9","10","1") = "9"
    & skf18("5","2","1","8","10","1","1") = "9"
    & skf18("5","2","1","8","10","2","1") = "9"
    & skf18("5","2","1","8","10","3","1") = "9"
    & skf18("5","2","1","8","10","4","1") = "9"
    & skf18("5","2","1","8","10","5","1") = "9"
    & skf18("5","2","1","8","10","6","1") = "9"
    & skf18("5","2","1","8","10","7","1") = "9"
    & skf18("5","2","1","8","10","8","1") = "9"
    & skf18("5","2","1","8","10","9","1") = "9"
    & skf18("5","2","1","8","10","10","1") = "9"
    & skf18("5","2","1","9","1","1","1") = "8"
    & skf18("5","2","1","9","1","2","1") = "8"
    & skf18("5","2","1","9","1","3","1") = "8"
    & skf18("5","2","1","9","1","4","1") = "8"
    & skf18("5","2","1","9","1","5","1") = "8"
    & skf18("5","2","1","9","1","6","1") = "8"
    & skf18("5","2","1","9","1","7","1") = "8"
    & skf18("5","2","1","9","1","8","1") = "8"
    & skf18("5","2","1","9","1","9","1") = "8"
    & skf18("5","2","1","9","1","10","1") = "9"
    & skf18("5","2","1","9","2","1","1") = "8"
    & skf18("5","2","1","9","2","2","1") = "8"
    & skf18("5","2","1","9","2","3","1") = "8"
    & skf18("5","2","1","9","2","4","1") = "8"
    & skf18("5","2","1","9","2","5","1") = "8"
    & skf18("5","2","1","9","2","6","1") = "8"
    & skf18("5","2","1","9","2","7","1") = "8"
    & skf18("5","2","1","9","2","8","1") = "8"
    & skf18("5","2","1","9","2","9","1") = "8"
    & skf18("5","2","1","9","2","10","1") = "9"
    & skf18("5","2","1","9","3","1","1") = "8"
    & skf18("5","2","1","9","3","2","1") = "8"
    & skf18("5","2","1","9","3","3","1") = "8"
    & skf18("5","2","1","9","3","4","1") = "8"
    & skf18("5","2","1","9","3","5","1") = "8"
    & skf18("5","2","1","9","3","6","1") = "8"
    & skf18("5","2","1","9","3","7","1") = "8"
    & skf18("5","2","1","9","3","8","1") = "8"
    & skf18("5","2","1","9","3","9","1") = "8"
    & skf18("5","2","1","9","3","10","1") = "9"
    & skf18("5","2","1","9","4","1","1") = "8"
    & skf18("5","2","1","9","4","2","1") = "8"
    & skf18("5","2","1","9","4","3","1") = "8"
    & skf18("5","2","1","9","4","4","1") = "8"
    & skf18("5","2","1","9","4","5","1") = "8"
    & skf18("5","2","1","9","4","6","1") = "8"
    & skf18("5","2","1","9","4","7","1") = "8"
    & skf18("5","2","1","9","4","8","1") = "8"
    & skf18("5","2","1","9","4","9","1") = "8"
    & skf18("5","2","1","9","4","10","1") = "9"
    & skf18("5","2","1","9","5","1","1") = "8"
    & skf18("5","2","1","9","5","2","1") = "8"
    & skf18("5","2","1","9","5","3","1") = "8"
    & skf18("5","2","1","9","5","4","1") = "8"
    & skf18("5","2","1","9","5","5","1") = "8"
    & skf18("5","2","1","9","5","6","1") = "8"
    & skf18("5","2","1","9","5","7","1") = "8"
    & skf18("5","2","1","9","5","8","1") = "8"
    & skf18("5","2","1","9","5","9","1") = "8"
    & skf18("5","2","1","9","5","10","1") = "9"
    & skf18("5","2","1","9","6","1","1") = "8"
    & skf18("5","2","1","9","6","2","1") = "8"
    & skf18("5","2","1","9","6","3","1") = "8"
    & skf18("5","2","1","9","6","4","1") = "8"
    & skf18("5","2","1","9","6","5","1") = "8"
    & skf18("5","2","1","9","6","6","1") = "8"
    & skf18("5","2","1","9","6","7","1") = "8"
    & skf18("5","2","1","9","6","8","1") = "8"
    & skf18("5","2","1","9","6","9","1") = "8"
    & skf18("5","2","1","9","6","10","1") = "9"
    & skf18("5","2","1","9","7","1","1") = "8"
    & skf18("5","2","1","9","7","2","1") = "8"
    & skf18("5","2","1","9","7","3","1") = "8"
    & skf18("5","2","1","9","7","4","1") = "8"
    & skf18("5","2","1","9","7","5","1") = "8"
    & skf18("5","2","1","9","7","6","1") = "8"
    & skf18("5","2","1","9","7","7","1") = "8"
    & skf18("5","2","1","9","7","8","1") = "8"
    & skf18("5","2","1","9","7","9","1") = "8"
    & skf18("5","2","1","9","7","10","1") = "9"
    & skf18("5","2","1","9","8","1","1") = "8"
    & skf18("5","2","1","9","8","2","1") = "8"
    & skf18("5","2","1","9","8","3","1") = "8"
    & skf18("5","2","1","9","8","4","1") = "8"
    & skf18("5","2","1","9","8","5","1") = "8"
    & skf18("5","2","1","9","8","6","1") = "8"
    & skf18("5","2","1","9","8","7","1") = "8"
    & skf18("5","2","1","9","8","8","1") = "8"
    & skf18("5","2","1","9","8","9","1") = "8"
    & skf18("5","2","1","9","8","10","1") = "9"
    & skf18("5","2","1","9","9","1","1") = "8"
    & skf18("5","2","1","9","9","2","1") = "8"
    & skf18("5","2","1","9","9","3","1") = "8"
    & skf18("5","2","1","9","9","4","1") = "8"
    & skf18("5","2","1","9","9","5","1") = "8"
    & skf18("5","2","1","9","9","6","1") = "8"
    & skf18("5","2","1","9","9","7","1") = "8"
    & skf18("5","2","1","9","9","8","1") = "8"
    & skf18("5","2","1","9","9","9","1") = "8"
    & skf18("5","2","1","9","9","10","1") = "9"
    & skf18("5","2","1","9","10","1","1") = "9"
    & skf18("5","2","1","9","10","2","1") = "9"
    & skf18("5","2","1","9","10","3","1") = "9"
    & skf18("5","2","1","9","10","4","1") = "9"
    & skf18("5","2","1","9","10","5","1") = "9"
    & skf18("5","2","1","9","10","6","1") = "9"
    & skf18("5","2","1","9","10","7","1") = "9"
    & skf18("5","2","1","9","10","8","1") = "9"
    & skf18("5","2","1","9","10","9","1") = "9"
    & skf18("5","2","1","9","10","10","1") = "9"
    & skf18("5","2","1","10","1","1","1") = "9"
    & skf18("5","2","1","10","1","2","1") = "9"
    & skf18("5","2","1","10","1","3","1") = "9"
    & skf18("5","2","1","10","1","4","1") = "9"
    & skf18("5","2","1","10","1","5","1") = "9"
    & skf18("5","2","1","10","1","6","1") = "9"
    & skf18("5","2","1","10","1","7","1") = "9"
    & skf18("5","2","1","10","1","8","1") = "9"
    & skf18("5","2","1","10","1","9","1") = "9"
    & skf18("5","2","1","10","1","10","1") = "9"
    & skf18("5","2","1","10","2","1","1") = "9"
    & skf18("5","2","1","10","2","2","1") = "9"
    & skf18("5","2","1","10","2","3","1") = "9"
    & skf18("5","2","1","10","2","4","1") = "9"
    & skf18("5","2","1","10","2","5","1") = "9"
    & skf18("5","2","1","10","2","6","1") = "9"
    & skf18("5","2","1","10","2","7","1") = "9"
    & skf18("5","2","1","10","2","8","1") = "9"
    & skf18("5","2","1","10","2","9","1") = "9"
    & skf18("5","2","1","10","2","10","1") = "9"
    & skf18("5","2","1","10","3","1","1") = "9"
    & skf18("5","2","1","10","3","2","1") = "9"
    & skf18("5","2","1","10","3","3","1") = "9"
    & skf18("5","2","1","10","3","4","1") = "9"
    & skf18("5","2","1","10","3","5","1") = "9"
    & skf18("5","2","1","10","3","6","1") = "9"
    & skf18("5","2","1","10","3","7","1") = "9"
    & skf18("5","2","1","10","3","8","1") = "9"
    & skf18("5","2","1","10","3","9","1") = "9"
    & skf18("5","2","1","10","3","10","1") = "9"
    & skf18("5","2","1","10","4","1","1") = "9"
    & skf18("5","2","1","10","4","2","1") = "9"
    & skf18("5","2","1","10","4","3","1") = "9"
    & skf18("5","2","1","10","4","4","1") = "9"
    & skf18("5","2","1","10","4","5","1") = "9"
    & skf18("5","2","1","10","4","6","1") = "9"
    & skf18("5","2","1","10","4","7","1") = "9"
    & skf18("5","2","1","10","4","8","1") = "9"
    & skf18("5","2","1","10","4","9","1") = "9"
    & skf18("5","2","1","10","4","10","1") = "9"
    & skf18("5","2","1","10","5","1","1") = "9"
    & skf18("5","2","1","10","5","2","1") = "9"
    & skf18("5","2","1","10","5","3","1") = "9"
    & skf18("5","2","1","10","5","4","1") = "9"
    & skf18("5","2","1","10","5","5","1") = "9"
    & skf18("5","2","1","10","5","6","1") = "9"
    & skf18("5","2","1","10","5","7","1") = "9"
    & skf18("5","2","1","10","5","8","1") = "9"
    & skf18("5","2","1","10","5","9","1") = "9"
    & skf18("5","2","1","10","5","10","1") = "9"
    & skf18("5","2","1","10","6","1","1") = "9"
    & skf18("5","2","1","10","6","2","1") = "9"
    & skf18("5","2","1","10","6","3","1") = "9"
    & skf18("5","2","1","10","6","4","1") = "9"
    & skf18("5","2","1","10","6","5","1") = "9"
    & skf18("5","2","1","10","6","6","1") = "9"
    & skf18("5","2","1","10","6","7","1") = "9"
    & skf18("5","2","1","10","6","8","1") = "9"
    & skf18("5","2","1","10","6","9","1") = "9"
    & skf18("5","2","1","10","6","10","1") = "9"
    & skf18("5","2","1","10","7","1","1") = "9"
    & skf18("5","2","1","10","7","2","1") = "9"
    & skf18("5","2","1","10","7","3","1") = "9"
    & skf18("5","2","1","10","7","4","1") = "9"
    & skf18("5","2","1","10","7","5","1") = "9"
    & skf18("5","2","1","10","7","6","1") = "9"
    & skf18("5","2","1","10","7","7","1") = "9"
    & skf18("5","2","1","10","7","8","1") = "9"
    & skf18("5","2","1","10","7","9","1") = "9"
    & skf18("5","2","1","10","7","10","1") = "9"
    & skf18("5","2","1","10","8","1","1") = "9"
    & skf18("5","2","1","10","8","2","1") = "9"
    & skf18("5","2","1","10","8","3","1") = "9"
    & skf18("5","2","1","10","8","4","1") = "9"
    & skf18("5","2","1","10","8","5","1") = "9"
    & skf18("5","2","1","10","8","6","1") = "9"
    & skf18("5","2","1","10","8","7","1") = "9"
    & skf18("5","2","1","10","8","8","1") = "9"
    & skf18("5","2","1","10","8","9","1") = "9"
    & skf18("5","2","1","10","8","10","1") = "9"
    & skf18("5","2","1","10","9","1","1") = "9"
    & skf18("5","2","1","10","9","2","1") = "9"
    & skf18("5","2","1","10","9","3","1") = "9"
    & skf18("5","2","1","10","9","4","1") = "9"
    & skf18("5","2","1","10","9","5","1") = "9"
    & skf18("5","2","1","10","9","6","1") = "9"
    & skf18("5","2","1","10","9","7","1") = "9"
    & skf18("5","2","1","10","9","8","1") = "9"
    & skf18("5","2","1","10","9","9","1") = "9"
    & skf18("5","2","1","10","9","10","1") = "9"
    & skf18("5","2","1","10","10","1","1") = "9"
    & skf18("5","2","1","10","10","2","1") = "9"
    & skf18("5","2","1","10","10","3","1") = "9"
    & skf18("5","2","1","10","10","4","1") = "9"
    & skf18("5","2","1","10","10","5","1") = "9"
    & skf18("5","2","1","10","10","6","1") = "9"
    & skf18("5","2","1","10","10","7","1") = "9"
    & skf18("5","2","1","10","10","8","1") = "9"
    & skf18("5","2","1","10","10","9","1") = "9"
    & skf18("5","2","1","10","10","10","1") = "9"
    & skf18("5","2","2","1","1","1","1") = "4"
    & skf18("5","2","2","1","1","2","1") = "4"
    & skf18("5","2","2","1","1","3","1") = "4"
    & skf18("5","2","2","1","1","4","1") = "4"
    & skf18("5","2","2","1","1","5","1") = "4"
    & skf18("5","2","2","1","1","6","1") = "5"
    & skf18("5","2","2","1","1","7","1") = "6"
    & skf18("5","2","2","1","1","8","1") = "7"
    & skf18("5","2","2","1","1","9","1") = "8"
    & skf18("5","2","2","1","1","10","1") = "9"
    & skf18("5","2","2","1","2","1","1") = "4"
    & skf18("5","2","2","1","2","2","1") = "4"
    & skf18("5","2","2","1","2","3","1") = "4"
    & skf18("5","2","2","1","2","4","1") = "4"
    & skf18("5","2","2","1","2","5","1") = "4"
    & skf18("5","2","2","1","2","6","1") = "5"
    & skf18("5","2","2","1","2","7","1") = "6"
    & skf18("5","2","2","1","2","8","1") = "7"
    & skf18("5","2","2","1","2","9","1") = "8"
    & skf18("5","2","2","1","2","10","1") = "9"
    & skf18("5","2","2","1","3","1","1") = "4"
    & skf18("5","2","2","1","3","2","1") = "4"
    & skf18("5","2","2","1","3","3","1") = "4"
    & skf18("5","2","2","1","3","4","1") = "4"
    & skf18("5","2","2","1","3","5","1") = "4"
    & skf18("5","2","2","1","3","6","1") = "5"
    & skf18("5","2","2","1","3","7","1") = "6"
    & skf18("5","2","2","1","3","8","1") = "7"
    & skf18("5","2","2","1","3","9","1") = "8"
    & skf18("5","2","2","1","3","10","1") = "9"
    & skf18("5","2","2","1","4","1","1") = "4"
    & skf18("5","2","2","1","4","2","1") = "4"
    & skf18("5","2","2","1","4","3","1") = "4"
    & skf18("5","2","2","1","4","4","1") = "4"
    & skf18("5","2","2","1","4","5","1") = "4"
    & skf18("5","2","2","1","4","6","1") = "5"
    & skf18("5","2","2","1","4","7","1") = "6"
    & skf18("5","2","2","1","4","8","1") = "7"
    & skf18("5","2","2","1","4","9","1") = "8"
    & skf18("5","2","2","1","4","10","1") = "9"
    & skf18("5","2","2","1","5","1","1") = "4"
    & skf18("5","2","2","1","5","2","1") = "4"
    & skf18("5","2","2","1","5","3","1") = "4"
    & skf18("5","2","2","1","5","4","1") = "4"
    & skf18("5","2","2","1","5","5","1") = "4"
    & skf18("5","2","2","1","5","6","1") = "5"
    & skf18("5","2","2","1","5","7","1") = "6"
    & skf18("5","2","2","1","5","8","1") = "7"
    & skf18("5","2","2","1","5","9","1") = "8"
    & skf18("5","2","2","1","5","10","1") = "9"
    & skf18("5","2","2","1","6","1","1") = "5"
    & skf18("5","2","2","1","6","2","1") = "5"
    & skf18("5","2","2","1","6","3","1") = "5"
    & skf18("5","2","2","1","6","4","1") = "5"
    & skf18("5","2","2","1","6","5","1") = "5"
    & skf18("5","2","2","1","6","6","1") = "5"
    & skf18("5","2","2","1","6","7","1") = "6"
    & skf18("5","2","2","1","6","8","1") = "7"
    & skf18("5","2","2","1","6","9","1") = "8"
    & skf18("5","2","2","1","6","10","1") = "9"
    & skf18("5","2","2","1","7","1","1") = "6"
    & skf18("5","2","2","1","7","2","1") = "6"
    & skf18("5","2","2","1","7","3","1") = "6"
    & skf18("5","2","2","1","7","4","1") = "6"
    & skf18("5","2","2","1","7","5","1") = "6"
    & skf18("5","2","2","1","7","6","1") = "6"
    & skf18("5","2","2","1","7","7","1") = "6"
    & skf18("5","2","2","1","7","8","1") = "7"
    & skf18("5","2","2","1","7","9","1") = "8"
    & skf18("5","2","2","1","7","10","1") = "9"
    & skf18("5","2","2","1","8","1","1") = "7"
    & skf18("5","2","2","1","8","2","1") = "7"
    & skf18("5","2","2","1","8","3","1") = "7"
    & skf18("5","2","2","1","8","4","1") = "7"
    & skf18("5","2","2","1","8","5","1") = "7"
    & skf18("5","2","2","1","8","6","1") = "7"
    & skf18("5","2","2","1","8","7","1") = "7"
    & skf18("5","2","2","1","8","8","1") = "7"
    & skf18("5","2","2","1","8","9","1") = "8"
    & skf18("5","2","2","1","8","10","1") = "9"
    & skf18("5","2","2","1","9","1","1") = "8"
    & skf18("5","2","2","1","9","2","1") = "8"
    & skf18("5","2","2","1","9","3","1") = "8"
    & skf18("5","2","2","1","9","4","1") = "8"
    & skf18("5","2","2","1","9","5","1") = "8"
    & skf18("5","2","2","1","9","6","1") = "8"
    & skf18("5","2","2","1","9","7","1") = "8"
    & skf18("5","2","2","1","9","8","1") = "8"
    & skf18("5","2","2","1","9","9","1") = "8"
    & skf18("5","2","2","1","9","10","1") = "9"
    & skf18("5","2","2","1","10","1","1") = "9"
    & skf18("5","2","2","1","10","2","1") = "9"
    & skf18("5","2","2","1","10","3","1") = "9"
    & skf18("5","2","2","1","10","4","1") = "9"
    & skf18("5","2","2","1","10","5","1") = "9"
    & skf18("5","2","2","1","10","6","1") = "9"
    & skf18("5","2","2","1","10","7","1") = "9"
    & skf18("5","2","2","1","10","8","1") = "9"
    & skf18("5","2","2","1","10","9","1") = "9"
    & skf18("5","2","2","1","10","10","1") = "9"
    & skf18("5","2","2","2","1","1","1") = "4"
    & skf18("5","2","2","2","1","2","1") = "4"
    & skf18("5","2","2","2","1","3","1") = "4"
    & skf18("5","2","2","2","1","4","1") = "4"
    & skf18("5","2","2","2","1","5","1") = "4"
    & skf18("5","2","2","2","1","6","1") = "5"
    & skf18("5","2","2","2","1","7","1") = "6"
    & skf18("5","2","2","2","1","8","1") = "7"
    & skf18("5","2","2","2","1","9","1") = "8"
    & skf18("5","2","2","2","1","10","1") = "9"
    & skf18("5","2","2","2","2","1","1") = "4"
    & skf18("5","2","2","2","2","2","1") = "4"
    & skf18("5","2","2","2","2","3","1") = "4"
    & skf18("5","2","2","2","2","4","1") = "4"
    & skf18("5","2","2","2","2","5","1") = "4"
    & skf18("5","2","2","2","2","6","1") = "5"
    & skf18("5","2","2","2","2","7","1") = "6"
    & skf18("5","2","2","2","2","8","1") = "7"
    & skf18("5","2","2","2","2","9","1") = "8"
    & skf18("5","2","2","2","2","10","1") = "9"
    & skf18("5","2","2","2","3","1","1") = "4"
    & skf18("5","2","2","2","3","2","1") = "4"
    & skf18("5","2","2","2","3","3","1") = "4"
    & skf18("5","2","2","2","3","4","1") = "4"
    & skf18("5","2","2","2","3","5","1") = "4"
    & skf18("5","2","2","2","3","6","1") = "5"
    & skf18("5","2","2","2","3","7","1") = "6"
    & skf18("5","2","2","2","3","8","1") = "7"
    & skf18("5","2","2","2","3","9","1") = "8"
    & skf18("5","2","2","2","3","10","1") = "9"
    & skf18("5","2","2","2","4","1","1") = "4"
    & skf18("5","2","2","2","4","2","1") = "4"
    & skf18("5","2","2","2","4","3","1") = "4"
    & skf18("5","2","2","2","4","4","1") = "4"
    & skf18("5","2","2","2","4","5","1") = "4"
    & skf18("5","2","2","2","4","6","1") = "5"
    & skf18("5","2","2","2","4","7","1") = "6"
    & skf18("5","2","2","2","4","8","1") = "7"
    & skf18("5","2","2","2","4","9","1") = "8"
    & skf18("5","2","2","2","4","10","1") = "9"
    & skf18("5","2","2","2","5","1","1") = "4"
    & skf18("5","2","2","2","5","2","1") = "4"
    & skf18("5","2","2","2","5","3","1") = "4"
    & skf18("5","2","2","2","5","4","1") = "4"
    & skf18("5","2","2","2","5","5","1") = "4"
    & skf18("5","2","2","2","5","6","1") = "5"
    & skf18("5","2","2","2","5","7","1") = "6"
    & skf18("5","2","2","2","5","8","1") = "7"
    & skf18("5","2","2","2","5","9","1") = "8"
    & skf18("5","2","2","2","5","10","1") = "9"
    & skf18("5","2","2","2","6","1","1") = "5"
    & skf18("5","2","2","2","6","2","1") = "5"
    & skf18("5","2","2","2","6","3","1") = "5"
    & skf18("5","2","2","2","6","4","1") = "5"
    & skf18("5","2","2","2","6","5","1") = "5"
    & skf18("5","2","2","2","6","6","1") = "5"
    & skf18("5","2","2","2","6","7","1") = "6"
    & skf18("5","2","2","2","6","8","1") = "7"
    & skf18("5","2","2","2","6","9","1") = "8"
    & skf18("5","2","2","2","6","10","1") = "9"
    & skf18("5","2","2","2","7","1","1") = "6"
    & skf18("5","2","2","2","7","2","1") = "6"
    & skf18("5","2","2","2","7","3","1") = "6"
    & skf18("5","2","2","2","7","4","1") = "6"
    & skf18("5","2","2","2","7","5","1") = "6"
    & skf18("5","2","2","2","7","6","1") = "6"
    & skf18("5","2","2","2","7","7","1") = "6"
    & skf18("5","2","2","2","7","8","1") = "7"
    & skf18("5","2","2","2","7","9","1") = "8"
    & skf18("5","2","2","2","7","10","1") = "9"
    & skf18("5","2","2","2","8","1","1") = "7"
    & skf18("5","2","2","2","8","2","1") = "7"
    & skf18("5","2","2","2","8","3","1") = "7"
    & skf18("5","2","2","2","8","4","1") = "7"
    & skf18("5","2","2","2","8","5","1") = "7"
    & skf18("5","2","2","2","8","6","1") = "7"
    & skf18("5","2","2","2","8","7","1") = "7"
    & skf18("5","2","2","2","8","8","1") = "7"
    & skf18("5","2","2","2","8","9","1") = "8"
    & skf18("5","2","2","2","8","10","1") = "9"
    & skf18("5","2","2","2","9","1","1") = "8"
    & skf18("5","2","2","2","9","2","1") = "8"
    & skf18("5","2","2","2","9","3","1") = "8"
    & skf18("5","2","2","2","9","4","1") = "8"
    & skf18("5","2","2","2","9","5","1") = "8"
    & skf18("5","2","2","2","9","6","1") = "8"
    & skf18("5","2","2","2","9","7","1") = "8"
    & skf18("5","2","2","2","9","8","1") = "8"
    & skf18("5","2","2","2","9","9","1") = "8"
    & skf18("5","2","2","2","9","10","1") = "9"
    & skf18("5","2","2","2","10","1","1") = "9"
    & skf18("5","2","2","2","10","2","1") = "9"
    & skf18("5","2","2","2","10","3","1") = "9"
    & skf18("5","2","2","2","10","4","1") = "9"
    & skf18("5","2","2","2","10","5","1") = "9"
    & skf18("5","2","2","2","10","6","1") = "9"
    & skf18("5","2","2","2","10","7","1") = "9"
    & skf18("5","2","2","2","10","8","1") = "9"
    & skf18("5","2","2","2","10","9","1") = "9"
    & skf18("5","2","2","2","10","10","1") = "9"
    & skf18("5","2","2","3","1","1","1") = "4"
    & skf18("5","2","2","3","1","2","1") = "4"
    & skf18("5","2","2","3","1","3","1") = "4"
    & skf18("5","2","2","3","1","4","1") = "4"
    & skf18("5","2","2","3","1","5","1") = "4"
    & skf18("5","2","2","3","1","6","1") = "5"
    & skf18("5","2","2","3","1","7","1") = "6"
    & skf18("5","2","2","3","1","8","1") = "7"
    & skf18("5","2","2","3","1","9","1") = "8"
    & skf18("5","2","2","3","1","10","1") = "9"
    & skf18("5","2","2","3","2","1","1") = "4"
    & skf18("5","2","2","3","2","2","1") = "4"
    & skf18("5","2","2","3","2","3","1") = "4"
    & skf18("5","2","2","3","2","4","1") = "4"
    & skf18("5","2","2","3","2","5","1") = "4"
    & skf18("5","2","2","3","2","6","1") = "5"
    & skf18("5","2","2","3","2","7","1") = "6"
    & skf18("5","2","2","3","2","8","1") = "7"
    & skf18("5","2","2","3","2","9","1") = "8"
    & skf18("5","2","2","3","2","10","1") = "9"
    & skf18("5","2","2","3","3","1","1") = "4"
    & skf18("5","2","2","3","3","2","1") = "4"
    & skf18("5","2","2","3","3","3","1") = "4"
    & skf18("5","2","2","3","3","4","1") = "4"
    & skf18("5","2","2","3","3","5","1") = "4"
    & skf18("5","2","2","3","3","6","1") = "5"
    & skf18("5","2","2","3","3","7","1") = "6"
    & skf18("5","2","2","3","3","8","1") = "7"
    & skf18("5","2","2","3","3","9","1") = "8"
    & skf18("5","2","2","3","3","10","1") = "9"
    & skf18("5","2","2","3","4","1","1") = "4"
    & skf18("5","2","2","3","4","2","1") = "4"
    & skf18("5","2","2","3","4","3","1") = "4"
    & skf18("5","2","2","3","4","4","1") = "4"
    & skf18("5","2","2","3","4","5","1") = "4"
    & skf18("5","2","2","3","4","6","1") = "5"
    & skf18("5","2","2","3","4","7","1") = "6"
    & skf18("5","2","2","3","4","8","1") = "7"
    & skf18("5","2","2","3","4","9","1") = "8"
    & skf18("5","2","2","3","4","10","1") = "9"
    & skf18("5","2","2","3","5","1","1") = "4"
    & skf18("5","2","2","3","5","2","1") = "4"
    & skf18("5","2","2","3","5","3","1") = "4"
    & skf18("5","2","2","3","5","4","1") = "4"
    & skf18("5","2","2","3","5","5","1") = "4"
    & skf18("5","2","2","3","5","6","1") = "5"
    & skf18("5","2","2","3","5","7","1") = "6"
    & skf18("5","2","2","3","5","8","1") = "7"
    & skf18("5","2","2","3","5","9","1") = "8"
    & skf18("5","2","2","3","5","10","1") = "9"
    & skf18("5","2","2","3","6","1","1") = "5"
    & skf18("5","2","2","3","6","2","1") = "5"
    & skf18("5","2","2","3","6","3","1") = "5"
    & skf18("5","2","2","3","6","4","1") = "5"
    & skf18("5","2","2","3","6","5","1") = "5"
    & skf18("5","2","2","3","6","6","1") = "5"
    & skf18("5","2","2","3","6","7","1") = "6"
    & skf18("5","2","2","3","6","8","1") = "7"
    & skf18("5","2","2","3","6","9","1") = "8"
    & skf18("5","2","2","3","6","10","1") = "9"
    & skf18("5","2","2","3","7","1","1") = "6"
    & skf18("5","2","2","3","7","2","1") = "6"
    & skf18("5","2","2","3","7","3","1") = "6"
    & skf18("5","2","2","3","7","4","1") = "6"
    & skf18("5","2","2","3","7","5","1") = "6"
    & skf18("5","2","2","3","7","6","1") = "6"
    & skf18("5","2","2","3","7","7","1") = "6"
    & skf18("5","2","2","3","7","8","1") = "7"
    & skf18("5","2","2","3","7","9","1") = "8"
    & skf18("5","2","2","3","7","10","1") = "9"
    & skf18("5","2","2","3","8","1","1") = "7"
    & skf18("5","2","2","3","8","2","1") = "7"
    & skf18("5","2","2","3","8","3","1") = "7"
    & skf18("5","2","2","3","8","4","1") = "7"
    & skf18("5","2","2","3","8","5","1") = "7"
    & skf18("5","2","2","3","8","6","1") = "7"
    & skf18("5","2","2","3","8","7","1") = "7"
    & skf18("5","2","2","3","8","8","1") = "7"
    & skf18("5","2","2","3","8","9","1") = "8"
    & skf18("5","2","2","3","8","10","1") = "9"
    & skf18("5","2","2","3","9","1","1") = "8"
    & skf18("5","2","2","3","9","2","1") = "8"
    & skf18("5","2","2","3","9","3","1") = "8"
    & skf18("5","2","2","3","9","4","1") = "8"
    & skf18("5","2","2","3","9","5","1") = "8"
    & skf18("5","2","2","3","9","6","1") = "8"
    & skf18("5","2","2","3","9","7","1") = "8"
    & skf18("5","2","2","3","9","8","1") = "8"
    & skf18("5","2","2","3","9","9","1") = "8"
    & skf18("5","2","2","3","9","10","1") = "9"
    & skf18("5","2","2","3","10","1","1") = "9"
    & skf18("5","2","2","3","10","2","1") = "9"
    & skf18("5","2","2","3","10","3","1") = "9"
    & skf18("5","2","2","3","10","4","1") = "9"
    & skf18("5","2","2","3","10","5","1") = "9"
    & skf18("5","2","2","3","10","6","1") = "9"
    & skf18("5","2","2","3","10","7","1") = "9"
    & skf18("5","2","2","3","10","8","1") = "9"
    & skf18("5","2","2","3","10","9","1") = "9"
    & skf18("5","2","2","3","10","10","1") = "9"
    & skf18("5","2","2","4","1","1","1") = "4"
    & skf18("5","2","2","4","1","2","1") = "4"
    & skf18("5","2","2","4","1","3","1") = "4"
    & skf18("5","2","2","4","1","4","1") = "4"
    & skf18("5","2","2","4","1","5","1") = "4"
    & skf18("5","2","2","4","1","6","1") = "5"
    & skf18("5","2","2","4","1","7","1") = "6"
    & skf18("5","2","2","4","1","8","1") = "7"
    & skf18("5","2","2","4","1","9","1") = "8"
    & skf18("5","2","2","4","1","10","1") = "9"
    & skf18("5","2","2","4","2","1","1") = "4"
    & skf18("5","2","2","4","2","2","1") = "4"
    & skf18("5","2","2","4","2","3","1") = "4"
    & skf18("5","2","2","4","2","4","1") = "4"
    & skf18("5","2","2","4","2","5","1") = "4"
    & skf18("5","2","2","4","2","6","1") = "5"
    & skf18("5","2","2","4","2","7","1") = "6"
    & skf18("5","2","2","4","2","8","1") = "7"
    & skf18("5","2","2","4","2","9","1") = "8"
    & skf18("5","2","2","4","2","10","1") = "9"
    & skf18("5","2","2","4","3","1","1") = "4"
    & skf18("5","2","2","4","3","2","1") = "4"
    & skf18("5","2","2","4","3","3","1") = "4"
    & skf18("5","2","2","4","3","4","1") = "4"
    & skf18("5","2","2","4","3","5","1") = "4"
    & skf18("5","2","2","4","3","6","1") = "5"
    & skf18("5","2","2","4","3","7","1") = "6"
    & skf18("5","2","2","4","3","8","1") = "7"
    & skf18("5","2","2","4","3","9","1") = "8"
    & skf18("5","2","2","4","3","10","1") = "9"
    & skf18("5","2","2","4","4","1","1") = "4"
    & skf18("5","2","2","4","4","2","1") = "4"
    & skf18("5","2","2","4","4","3","1") = "4"
    & skf18("5","2","2","4","4","4","1") = "4"
    & skf18("5","2","2","4","4","5","1") = "4"
    & skf18("5","2","2","4","4","6","1") = "5"
    & skf18("5","2","2","4","4","7","1") = "6"
    & skf18("5","2","2","4","4","8","1") = "7"
    & skf18("5","2","2","4","4","9","1") = "8"
    & skf18("5","2","2","4","4","10","1") = "9"
    & skf18("5","2","2","4","5","1","1") = "4"
    & skf18("5","2","2","4","5","2","1") = "4"
    & skf18("5","2","2","4","5","3","1") = "4"
    & skf18("5","2","2","4","5","4","1") = "4"
    & skf18("5","2","2","4","5","5","1") = "4"
    & skf18("5","2","2","4","5","6","1") = "5"
    & skf18("5","2","2","4","5","7","1") = "6"
    & skf18("5","2","2","4","5","8","1") = "7"
    & skf18("5","2","2","4","5","9","1") = "8"
    & skf18("5","2","2","4","5","10","1") = "9"
    & skf18("5","2","2","4","6","1","1") = "5"
    & skf18("5","2","2","4","6","2","1") = "5"
    & skf18("5","2","2","4","6","3","1") = "5"
    & skf18("5","2","2","4","6","4","1") = "5"
    & skf18("5","2","2","4","6","5","1") = "5"
    & skf18("5","2","2","4","6","6","1") = "5"
    & skf18("5","2","2","4","6","7","1") = "6"
    & skf18("5","2","2","4","6","8","1") = "7"
    & skf18("5","2","2","4","6","9","1") = "8"
    & skf18("5","2","2","4","6","10","1") = "9"
    & skf18("5","2","2","4","7","1","1") = "6"
    & skf18("5","2","2","4","7","2","1") = "6"
    & skf18("5","2","2","4","7","3","1") = "6"
    & skf18("5","2","2","4","7","4","1") = "6"
    & skf18("5","2","2","4","7","5","1") = "6"
    & skf18("5","2","2","4","7","6","1") = "6"
    & skf18("5","2","2","4","7","7","1") = "6"
    & skf18("5","2","2","4","7","8","1") = "7"
    & skf18("5","2","2","4","7","9","1") = "8"
    & skf18("5","2","2","4","7","10","1") = "9"
    & skf18("5","2","2","4","8","1","1") = "7"
    & skf18("5","2","2","4","8","2","1") = "7"
    & skf18("5","2","2","4","8","3","1") = "7"
    & skf18("5","2","2","4","8","4","1") = "7"
    & skf18("5","2","2","4","8","5","1") = "7"
    & skf18("5","2","2","4","8","6","1") = "7"
    & skf18("5","2","2","4","8","7","1") = "7"
    & skf18("5","2","2","4","8","8","1") = "7"
    & skf18("5","2","2","4","8","9","1") = "8"
    & skf18("5","2","2","4","8","10","1") = "9"
    & skf18("5","2","2","4","9","1","1") = "8"
    & skf18("5","2","2","4","9","2","1") = "8"
    & skf18("5","2","2","4","9","3","1") = "8"
    & skf18("5","2","2","4","9","4","1") = "8"
    & skf18("5","2","2","4","9","5","1") = "8"
    & skf18("5","2","2","4","9","6","1") = "8"
    & skf18("5","2","2","4","9","7","1") = "8"
    & skf18("5","2","2","4","9","8","1") = "8"
    & skf18("5","2","2","4","9","9","1") = "8"
    & skf18("5","2","2","4","9","10","1") = "9"
    & skf18("5","2","2","4","10","1","1") = "9"
    & skf18("5","2","2","4","10","2","1") = "9"
    & skf18("5","2","2","4","10","3","1") = "9"
    & skf18("5","2","2","4","10","4","1") = "9"
    & skf18("5","2","2","4","10","5","1") = "9"
    & skf18("5","2","2","4","10","6","1") = "9"
    & skf18("5","2","2","4","10","7","1") = "9"
    & skf18("5","2","2","4","10","8","1") = "9"
    & skf18("5","2","2","4","10","9","1") = "9"
    & skf18("5","2","2","4","10","10","1") = "9"
    & skf18("5","2","2","5","1","1","1") = "4"
    & skf18("5","2","2","5","1","2","1") = "4"
    & skf18("5","2","2","5","1","3","1") = "4"
    & skf18("5","2","2","5","1","4","1") = "4"
    & skf18("5","2","2","5","1","5","1") = "4"
    & skf18("5","2","2","5","1","6","1") = "5"
    & skf18("5","2","2","5","1","7","1") = "6"
    & skf18("5","2","2","5","1","8","1") = "7"
    & skf18("5","2","2","5","1","9","1") = "8"
    & skf18("5","2","2","5","1","10","1") = "9"
    & skf18("5","2","2","5","2","1","1") = "4"
    & skf18("5","2","2","5","2","2","1") = "4"
    & skf18("5","2","2","5","2","3","1") = "4"
    & skf18("5","2","2","5","2","4","1") = "4"
    & skf18("5","2","2","5","2","5","1") = "4"
    & skf18("5","2","2","5","2","6","1") = "5"
    & skf18("5","2","2","5","2","7","1") = "6"
    & skf18("5","2","2","5","2","8","1") = "7"
    & skf18("5","2","2","5","2","9","1") = "8"
    & skf18("5","2","2","5","2","10","1") = "9"
    & skf18("5","2","2","5","3","1","1") = "4"
    & skf18("5","2","2","5","3","2","1") = "4"
    & skf18("5","2","2","5","3","3","1") = "4"
    & skf18("5","2","2","5","3","4","1") = "4"
    & skf18("5","2","2","5","3","5","1") = "4"
    & skf18("5","2","2","5","3","6","1") = "5"
    & skf18("5","2","2","5","3","7","1") = "6"
    & skf18("5","2","2","5","3","8","1") = "7"
    & skf18("5","2","2","5","3","9","1") = "8"
    & skf18("5","2","2","5","3","10","1") = "9"
    & skf18("5","2","2","5","4","1","1") = "4"
    & skf18("5","2","2","5","4","2","1") = "4"
    & skf18("5","2","2","5","4","3","1") = "4"
    & skf18("5","2","2","5","4","4","1") = "4"
    & skf18("5","2","2","5","4","5","1") = "4"
    & skf18("5","2","2","5","4","6","1") = "5"
    & skf18("5","2","2","5","4","7","1") = "6"
    & skf18("5","2","2","5","4","8","1") = "7"
    & skf18("5","2","2","5","4","9","1") = "8"
    & skf18("5","2","2","5","4","10","1") = "9"
    & skf18("5","2","2","5","5","1","1") = "4"
    & skf18("5","2","2","5","5","2","1") = "4"
    & skf18("5","2","2","5","5","3","1") = "4"
    & skf18("5","2","2","5","5","4","1") = "4"
    & skf18("5","2","2","5","5","5","1") = "4"
    & skf18("5","2","2","5","5","6","1") = "5"
    & skf18("5","2","2","5","5","7","1") = "6"
    & skf18("5","2","2","5","5","8","1") = "7"
    & skf18("5","2","2","5","5","9","1") = "8"
    & skf18("5","2","2","5","5","10","1") = "9"
    & skf18("5","2","2","5","6","1","1") = "5"
    & skf18("5","2","2","5","6","2","1") = "5"
    & skf18("5","2","2","5","6","3","1") = "5"
    & skf18("5","2","2","5","6","4","1") = "5"
    & skf18("5","2","2","5","6","5","1") = "5"
    & skf18("5","2","2","5","6","6","1") = "5"
    & skf18("5","2","2","5","6","7","1") = "6"
    & skf18("5","2","2","5","6","8","1") = "7"
    & skf18("5","2","2","5","6","9","1") = "8"
    & skf18("5","2","2","5","6","10","1") = "9"
    & skf18("5","2","2","5","7","1","1") = "6"
    & skf18("5","2","2","5","7","2","1") = "6"
    & skf18("5","2","2","5","7","3","1") = "6"
    & skf18("5","2","2","5","7","4","1") = "6"
    & skf18("5","2","2","5","7","5","1") = "6"
    & skf18("5","2","2","5","7","6","1") = "6"
    & skf18("5","2","2","5","7","7","1") = "6"
    & skf18("5","2","2","5","7","8","1") = "7"
    & skf18("5","2","2","5","7","9","1") = "8"
    & skf18("5","2","2","5","7","10","1") = "9"
    & skf18("5","2","2","5","8","1","1") = "7"
    & skf18("5","2","2","5","8","2","1") = "7"
    & skf18("5","2","2","5","8","3","1") = "7"
    & skf18("5","2","2","5","8","4","1") = "7"
    & skf18("5","2","2","5","8","5","1") = "7"
    & skf18("5","2","2","5","8","6","1") = "7"
    & skf18("5","2","2","5","8","7","1") = "7"
    & skf18("5","2","2","5","8","8","1") = "7"
    & skf18("5","2","2","5","8","9","1") = "8"
    & skf18("5","2","2","5","8","10","1") = "9"
    & skf18("5","2","2","5","9","1","1") = "8"
    & skf18("5","2","2","5","9","2","1") = "8"
    & skf18("5","2","2","5","9","3","1") = "8"
    & skf18("5","2","2","5","9","4","1") = "8"
    & skf18("5","2","2","5","9","5","1") = "8"
    & skf18("5","2","2","5","9","6","1") = "8"
    & skf18("5","2","2","5","9","7","1") = "8"
    & skf18("5","2","2","5","9","8","1") = "8"
    & skf18("5","2","2","5","9","9","1") = "8"
    & skf18("5","2","2","5","9","10","1") = "9"
    & skf18("5","2","2","5","10","1","1") = "9"
    & skf18("5","2","2","5","10","2","1") = "9"
    & skf18("5","2","2","5","10","3","1") = "9"
    & skf18("5","2","2","5","10","4","1") = "9"
    & skf18("5","2","2","5","10","5","1") = "9"
    & skf18("5","2","2","5","10","6","1") = "9"
    & skf18("5","2","2","5","10","7","1") = "9"
    & skf18("5","2","2","5","10","8","1") = "9"
    & skf18("5","2","2","5","10","9","1") = "9"
    & skf18("5","2","2","5","10","10","1") = "9"
    & skf18("5","2","2","6","1","1","1") = "5"
    & skf18("5","2","2","6","1","2","1") = "5"
    & skf18("5","2","2","6","1","3","1") = "5"
    & skf18("5","2","2","6","1","4","1") = "5"
    & skf18("5","2","2","6","1","5","1") = "5"
    & skf18("5","2","2","6","1","6","1") = "5"
    & skf18("5","2","2","6","1","7","1") = "6"
    & skf18("5","2","2","6","1","8","1") = "7"
    & skf18("5","2","2","6","1","9","1") = "8"
    & skf18("5","2","2","6","1","10","1") = "9"
    & skf18("5","2","2","6","2","1","1") = "5"
    & skf18("5","2","2","6","2","2","1") = "5"
    & skf18("5","2","2","6","2","3","1") = "5"
    & skf18("5","2","2","6","2","4","1") = "5"
    & skf18("5","2","2","6","2","5","1") = "5"
    & skf18("5","2","2","6","2","6","1") = "5"
    & skf18("5","2","2","6","2","7","1") = "6"
    & skf18("5","2","2","6","2","8","1") = "7"
    & skf18("5","2","2","6","2","9","1") = "8"
    & skf18("5","2","2","6","2","10","1") = "9"
    & skf18("5","2","2","6","3","1","1") = "5"
    & skf18("5","2","2","6","3","2","1") = "5"
    & skf18("5","2","2","6","3","3","1") = "5"
    & skf18("5","2","2","6","3","4","1") = "5"
    & skf18("5","2","2","6","3","5","1") = "5"
    & skf18("5","2","2","6","3","6","1") = "5"
    & skf18("5","2","2","6","3","7","1") = "6"
    & skf18("5","2","2","6","3","8","1") = "7"
    & skf18("5","2","2","6","3","9","1") = "8"
    & skf18("5","2","2","6","3","10","1") = "9"
    & skf18("5","2","2","6","4","1","1") = "5"
    & skf18("5","2","2","6","4","2","1") = "5"
    & skf18("5","2","2","6","4","3","1") = "5"
    & skf18("5","2","2","6","4","4","1") = "5"
    & skf18("5","2","2","6","4","5","1") = "5"
    & skf18("5","2","2","6","4","6","1") = "5"
    & skf18("5","2","2","6","4","7","1") = "6"
    & skf18("5","2","2","6","4","8","1") = "7"
    & skf18("5","2","2","6","4","9","1") = "8"
    & skf18("5","2","2","6","4","10","1") = "9"
    & skf18("5","2","2","6","5","1","1") = "5"
    & skf18("5","2","2","6","5","2","1") = "5"
    & skf18("5","2","2","6","5","3","1") = "5"
    & skf18("5","2","2","6","5","4","1") = "5"
    & skf18("5","2","2","6","5","5","1") = "5"
    & skf18("5","2","2","6","5","6","1") = "5"
    & skf18("5","2","2","6","5","7","1") = "6"
    & skf18("5","2","2","6","5","8","1") = "7"
    & skf18("5","2","2","6","5","9","1") = "8"
    & skf18("5","2","2","6","5","10","1") = "9"
    & skf18("5","2","2","6","6","1","1") = "5"
    & skf18("5","2","2","6","6","2","1") = "5"
    & skf18("5","2","2","6","6","3","1") = "5"
    & skf18("5","2","2","6","6","4","1") = "5"
    & skf18("5","2","2","6","6","5","1") = "5"
    & skf18("5","2","2","6","6","6","1") = "5"
    & skf18("5","2","2","6","6","7","1") = "6"
    & skf18("5","2","2","6","6","8","1") = "7"
    & skf18("5","2","2","6","6","9","1") = "8"
    & skf18("5","2","2","6","6","10","1") = "9"
    & skf18("5","2","2","6","7","1","1") = "6"
    & skf18("5","2","2","6","7","2","1") = "6"
    & skf18("5","2","2","6","7","3","1") = "6"
    & skf18("5","2","2","6","7","4","1") = "6"
    & skf18("5","2","2","6","7","5","1") = "6"
    & skf18("5","2","2","6","7","6","1") = "6"
    & skf18("5","2","2","6","7","7","1") = "6"
    & skf18("5","2","2","6","7","8","1") = "7"
    & skf18("5","2","2","6","7","9","1") = "8"
    & skf18("5","2","2","6","7","10","1") = "9"
    & skf18("5","2","2","6","8","1","1") = "7"
    & skf18("5","2","2","6","8","2","1") = "7"
    & skf18("5","2","2","6","8","3","1") = "7"
    & skf18("5","2","2","6","8","4","1") = "7"
    & skf18("5","2","2","6","8","5","1") = "7"
    & skf18("5","2","2","6","8","6","1") = "7"
    & skf18("5","2","2","6","8","7","1") = "7"
    & skf18("5","2","2","6","8","8","1") = "7"
    & skf18("5","2","2","6","8","9","1") = "8"
    & skf18("5","2","2","6","8","10","1") = "9"
    & skf18("5","2","2","6","9","1","1") = "8"
    & skf18("5","2","2","6","9","2","1") = "8"
    & skf18("5","2","2","6","9","3","1") = "8"
    & skf18("5","2","2","6","9","4","1") = "8"
    & skf18("5","2","2","6","9","5","1") = "8"
    & skf18("5","2","2","6","9","6","1") = "8"
    & skf18("5","2","2","6","9","7","1") = "8"
    & skf18("5","2","2","6","9","8","1") = "8"
    & skf18("5","2","2","6","9","9","1") = "8"
    & skf18("5","2","2","6","9","10","1") = "9"
    & skf18("5","2","2","6","10","1","1") = "9"
    & skf18("5","2","2","6","10","2","1") = "9"
    & skf18("5","2","2","6","10","3","1") = "9"
    & skf18("5","2","2","6","10","4","1") = "9"
    & skf18("5","2","2","6","10","5","1") = "9"
    & skf18("5","2","2","6","10","6","1") = "9"
    & skf18("5","2","2","6","10","7","1") = "9"
    & skf18("5","2","2","6","10","8","1") = "9"
    & skf18("5","2","2","6","10","9","1") = "9"
    & skf18("5","2","2","6","10","10","1") = "9"
    & skf18("5","2","2","7","1","1","1") = "6"
    & skf18("5","2","2","7","1","2","1") = "6"
    & skf18("5","2","2","7","1","3","1") = "6"
    & skf18("5","2","2","7","1","4","1") = "6"
    & skf18("5","2","2","7","1","5","1") = "6"
    & skf18("5","2","2","7","1","6","1") = "6"
    & skf18("5","2","2","7","1","7","1") = "6"
    & skf18("5","2","2","7","1","8","1") = "7"
    & skf18("5","2","2","7","1","9","1") = "8"
    & skf18("5","2","2","7","1","10","1") = "9"
    & skf18("5","2","2","7","2","1","1") = "6"
    & skf18("5","2","2","7","2","2","1") = "6"
    & skf18("5","2","2","7","2","3","1") = "6"
    & skf18("5","2","2","7","2","4","1") = "6"
    & skf18("5","2","2","7","2","5","1") = "6"
    & skf18("5","2","2","7","2","6","1") = "6"
    & skf18("5","2","2","7","2","7","1") = "6"
    & skf18("5","2","2","7","2","8","1") = "7"
    & skf18("5","2","2","7","2","9","1") = "8"
    & skf18("5","2","2","7","2","10","1") = "9"
    & skf18("5","2","2","7","3","1","1") = "6"
    & skf18("5","2","2","7","3","2","1") = "6"
    & skf18("5","2","2","7","3","3","1") = "6"
    & skf18("5","2","2","7","3","4","1") = "6"
    & skf18("5","2","2","7","3","5","1") = "6"
    & skf18("5","2","2","7","3","6","1") = "6"
    & skf18("5","2","2","7","3","7","1") = "6"
    & skf18("5","2","2","7","3","8","1") = "7"
    & skf18("5","2","2","7","3","9","1") = "8"
    & skf18("5","2","2","7","3","10","1") = "9"
    & skf18("5","2","2","7","4","1","1") = "6"
    & skf18("5","2","2","7","4","2","1") = "6"
    & skf18("5","2","2","7","4","3","1") = "6"
    & skf18("5","2","2","7","4","4","1") = "6"
    & skf18("5","2","2","7","4","5","1") = "6"
    & skf18("5","2","2","7","4","6","1") = "6"
    & skf18("5","2","2","7","4","7","1") = "6"
    & skf18("5","2","2","7","4","8","1") = "7"
    & skf18("5","2","2","7","4","9","1") = "8"
    & skf18("5","2","2","7","4","10","1") = "9"
    & skf18("5","2","2","7","5","1","1") = "6"
    & skf18("5","2","2","7","5","2","1") = "6"
    & skf18("5","2","2","7","5","3","1") = "6"
    & skf18("5","2","2","7","5","4","1") = "6"
    & skf18("5","2","2","7","5","5","1") = "6"
    & skf18("5","2","2","7","5","6","1") = "6"
    & skf18("5","2","2","7","5","7","1") = "6"
    & skf18("5","2","2","7","5","8","1") = "7"
    & skf18("5","2","2","7","5","9","1") = "8"
    & skf18("5","2","2","7","5","10","1") = "9"
    & skf18("5","2","2","7","6","1","1") = "6"
    & skf18("5","2","2","7","6","2","1") = "6"
    & skf18("5","2","2","7","6","3","1") = "6"
    & skf18("5","2","2","7","6","4","1") = "6"
    & skf18("5","2","2","7","6","5","1") = "6"
    & skf18("5","2","2","7","6","6","1") = "6"
    & skf18("5","2","2","7","6","7","1") = "6"
    & skf18("5","2","2","7","6","8","1") = "7"
    & skf18("5","2","2","7","6","9","1") = "8"
    & skf18("5","2","2","7","6","10","1") = "9"
    & skf18("5","2","2","7","7","1","1") = "6"
    & skf18("5","2","2","7","7","2","1") = "6"
    & skf18("5","2","2","7","7","3","1") = "6"
    & skf18("5","2","2","7","7","4","1") = "6"
    & skf18("5","2","2","7","7","5","1") = "6"
    & skf18("5","2","2","7","7","6","1") = "6"
    & skf18("5","2","2","7","7","7","1") = "6"
    & skf18("5","2","2","7","7","8","1") = "7"
    & skf18("5","2","2","7","7","9","1") = "8"
    & skf18("5","2","2","7","7","10","1") = "9"
    & skf18("5","2","2","7","8","1","1") = "7"
    & skf18("5","2","2","7","8","2","1") = "7"
    & skf18("5","2","2","7","8","3","1") = "7"
    & skf18("5","2","2","7","8","4","1") = "7"
    & skf18("5","2","2","7","8","5","1") = "7"
    & skf18("5","2","2","7","8","6","1") = "7"
    & skf18("5","2","2","7","8","7","1") = "7"
    & skf18("5","2","2","7","8","8","1") = "7"
    & skf18("5","2","2","7","8","9","1") = "8"
    & skf18("5","2","2","7","8","10","1") = "9"
    & skf18("5","2","2","7","9","1","1") = "8"
    & skf18("5","2","2","7","9","2","1") = "8"
    & skf18("5","2","2","7","9","3","1") = "8"
    & skf18("5","2","2","7","9","4","1") = "8"
    & skf18("5","2","2","7","9","5","1") = "8"
    & skf18("5","2","2","7","9","6","1") = "8"
    & skf18("5","2","2","7","9","7","1") = "8"
    & skf18("5","2","2","7","9","8","1") = "8"
    & skf18("5","2","2","7","9","9","1") = "8"
    & skf18("5","2","2","7","9","10","1") = "9"
    & skf18("5","2","2","7","10","1","1") = "9"
    & skf18("5","2","2","7","10","2","1") = "9"
    & skf18("5","2","2","7","10","3","1") = "9"
    & skf18("5","2","2","7","10","4","1") = "9"
    & skf18("5","2","2","7","10","5","1") = "9"
    & skf18("5","2","2","7","10","6","1") = "9"
    & skf18("5","2","2","7","10","7","1") = "9"
    & skf18("5","2","2","7","10","8","1") = "9"
    & skf18("5","2","2","7","10","9","1") = "9"
    & skf18("5","2","2","7","10","10","1") = "9"
    & skf18("5","2","2","8","1","1","1") = "7"
    & skf18("5","2","2","8","1","2","1") = "7"
    & skf18("5","2","2","8","1","3","1") = "7"
    & skf18("5","2","2","8","1","4","1") = "7"
    & skf18("5","2","2","8","1","5","1") = "7"
    & skf18("5","2","2","8","1","6","1") = "7"
    & skf18("5","2","2","8","1","7","1") = "7"
    & skf18("5","2","2","8","1","8","1") = "7"
    & skf18("5","2","2","8","1","9","1") = "8"
    & skf18("5","2","2","8","1","10","1") = "9"
    & skf18("5","2","2","8","2","1","1") = "7"
    & skf18("5","2","2","8","2","2","1") = "7"
    & skf18("5","2","2","8","2","3","1") = "7"
    & skf18("5","2","2","8","2","4","1") = "7"
    & skf18("5","2","2","8","2","5","1") = "7"
    & skf18("5","2","2","8","2","6","1") = "7"
    & skf18("5","2","2","8","2","7","1") = "7"
    & skf18("5","2","2","8","2","8","1") = "7"
    & skf18("5","2","2","8","2","9","1") = "8"
    & skf18("5","2","2","8","2","10","1") = "9"
    & skf18("5","2","2","8","3","1","1") = "7"
    & skf18("5","2","2","8","3","2","1") = "7"
    & skf18("5","2","2","8","3","3","1") = "7"
    & skf18("5","2","2","8","3","4","1") = "7"
    & skf18("5","2","2","8","3","5","1") = "7"
    & skf18("5","2","2","8","3","6","1") = "7"
    & skf18("5","2","2","8","3","7","1") = "7"
    & skf18("5","2","2","8","3","8","1") = "7"
    & skf18("5","2","2","8","3","9","1") = "8"
    & skf18("5","2","2","8","3","10","1") = "9"
    & skf18("5","2","2","8","4","1","1") = "7"
    & skf18("5","2","2","8","4","2","1") = "7"
    & skf18("5","2","2","8","4","3","1") = "7"
    & skf18("5","2","2","8","4","4","1") = "7"
    & skf18("5","2","2","8","4","5","1") = "7"
    & skf18("5","2","2","8","4","6","1") = "7"
    & skf18("5","2","2","8","4","7","1") = "7"
    & skf18("5","2","2","8","4","8","1") = "7"
    & skf18("5","2","2","8","4","9","1") = "8"
    & skf18("5","2","2","8","4","10","1") = "9"
    & skf18("5","2","2","8","5","1","1") = "7"
    & skf18("5","2","2","8","5","2","1") = "7"
    & skf18("5","2","2","8","5","3","1") = "7"
    & skf18("5","2","2","8","5","4","1") = "7"
    & skf18("5","2","2","8","5","5","1") = "7"
    & skf18("5","2","2","8","5","6","1") = "7"
    & skf18("5","2","2","8","5","7","1") = "7"
    & skf18("5","2","2","8","5","8","1") = "7"
    & skf18("5","2","2","8","5","9","1") = "8"
    & skf18("5","2","2","8","5","10","1") = "9"
    & skf18("5","2","2","8","6","1","1") = "7"
    & skf18("5","2","2","8","6","2","1") = "7"
    & skf18("5","2","2","8","6","3","1") = "7"
    & skf18("5","2","2","8","6","4","1") = "7"
    & skf18("5","2","2","8","6","5","1") = "7"
    & skf18("5","2","2","8","6","6","1") = "7"
    & skf18("5","2","2","8","6","7","1") = "7"
    & skf18("5","2","2","8","6","8","1") = "7"
    & skf18("5","2","2","8","6","9","1") = "8"
    & skf18("5","2","2","8","6","10","1") = "9"
    & skf18("5","2","2","8","7","1","1") = "7"
    & skf18("5","2","2","8","7","2","1") = "7"
    & skf18("5","2","2","8","7","3","1") = "7"
    & skf18("5","2","2","8","7","4","1") = "7"
    & skf18("5","2","2","8","7","5","1") = "7"
    & skf18("5","2","2","8","7","6","1") = "7"
    & skf18("5","2","2","8","7","7","1") = "7"
    & skf18("5","2","2","8","7","8","1") = "7"
    & skf18("5","2","2","8","7","9","1") = "8"
    & skf18("5","2","2","8","7","10","1") = "9"
    & skf18("5","2","2","8","8","1","1") = "7"
    & skf18("5","2","2","8","8","2","1") = "7"
    & skf18("5","2","2","8","8","3","1") = "7"
    & skf18("5","2","2","8","8","4","1") = "7"
    & skf18("5","2","2","8","8","5","1") = "7"
    & skf18("5","2","2","8","8","6","1") = "7"
    & skf18("5","2","2","8","8","7","1") = "7"
    & skf18("5","2","2","8","8","8","1") = "7"
    & skf18("5","2","2","8","8","9","1") = "8"
    & skf18("5","2","2","8","8","10","1") = "9"
    & skf18("5","2","2","8","9","1","1") = "8"
    & skf18("5","2","2","8","9","2","1") = "8"
    & skf18("5","2","2","8","9","3","1") = "8"
    & skf18("5","2","2","8","9","4","1") = "8"
    & skf18("5","2","2","8","9","5","1") = "8"
    & skf18("5","2","2","8","9","6","1") = "8"
    & skf18("5","2","2","8","9","7","1") = "8"
    & skf18("5","2","2","8","9","8","1") = "8"
    & skf18("5","2","2","8","9","9","1") = "8"
    & skf18("5","2","2","8","9","10","1") = "9"
    & skf18("5","2","2","8","10","1","1") = "9"
    & skf18("5","2","2","8","10","2","1") = "9"
    & skf18("5","2","2","8","10","3","1") = "9"
    & skf18("5","2","2","8","10","4","1") = "9"
    & skf18("5","2","2","8","10","5","1") = "9"
    & skf18("5","2","2","8","10","6","1") = "9"
    & skf18("5","2","2","8","10","7","1") = "9"
    & skf18("5","2","2","8","10","8","1") = "9"
    & skf18("5","2","2","8","10","9","1") = "9"
    & skf18("5","2","2","8","10","10","1") = "9"
    & skf18("5","2","2","9","1","1","1") = "8"
    & skf18("5","2","2","9","1","2","1") = "8"
    & skf18("5","2","2","9","1","3","1") = "8"
    & skf18("5","2","2","9","1","4","1") = "8"
    & skf18("5","2","2","9","1","5","1") = "8"
    & skf18("5","2","2","9","1","6","1") = "8"
    & skf18("5","2","2","9","1","7","1") = "8"
    & skf18("5","2","2","9","1","8","1") = "8"
    & skf18("5","2","2","9","1","9","1") = "8"
    & skf18("5","2","2","9","1","10","1") = "9"
    & skf18("5","2","2","9","2","1","1") = "8"
    & skf18("5","2","2","9","2","2","1") = "8"
    & skf18("5","2","2","9","2","3","1") = "8"
    & skf18("5","2","2","9","2","4","1") = "8"
    & skf18("5","2","2","9","2","5","1") = "8"
    & skf18("5","2","2","9","2","6","1") = "8"
    & skf18("5","2","2","9","2","7","1") = "8"
    & skf18("5","2","2","9","2","8","1") = "8"
    & skf18("5","2","2","9","2","9","1") = "8"
    & skf18("5","2","2","9","2","10","1") = "9"
    & skf18("5","2","2","9","3","1","1") = "8"
    & skf18("5","2","2","9","3","2","1") = "8"
    & skf18("5","2","2","9","3","3","1") = "8"
    & skf18("5","2","2","9","3","4","1") = "8"
    & skf18("5","2","2","9","3","5","1") = "8"
    & skf18("5","2","2","9","3","6","1") = "8"
    & skf18("5","2","2","9","3","7","1") = "8"
    & skf18("5","2","2","9","3","8","1") = "8"
    & skf18("5","2","2","9","3","9","1") = "8"
    & skf18("5","2","2","9","3","10","1") = "9"
    & skf18("5","2","2","9","4","1","1") = "8"
    & skf18("5","2","2","9","4","2","1") = "8"
    & skf18("5","2","2","9","4","3","1") = "8"
    & skf18("5","2","2","9","4","4","1") = "8"
    & skf18("5","2","2","9","4","5","1") = "8"
    & skf18("5","2","2","9","4","6","1") = "8"
    & skf18("5","2","2","9","4","7","1") = "8"
    & skf18("5","2","2","9","4","8","1") = "8"
    & skf18("5","2","2","9","4","9","1") = "8"
    & skf18("5","2","2","9","4","10","1") = "9"
    & skf18("5","2","2","9","5","1","1") = "8"
    & skf18("5","2","2","9","5","2","1") = "8"
    & skf18("5","2","2","9","5","3","1") = "8"
    & skf18("5","2","2","9","5","4","1") = "8"
    & skf18("5","2","2","9","5","5","1") = "8"
    & skf18("5","2","2","9","5","6","1") = "8"
    & skf18("5","2","2","9","5","7","1") = "8"
    & skf18("5","2","2","9","5","8","1") = "8"
    & skf18("5","2","2","9","5","9","1") = "8"
    & skf18("5","2","2","9","5","10","1") = "9"
    & skf18("5","2","2","9","6","1","1") = "8"
    & skf18("5","2","2","9","6","2","1") = "8"
    & skf18("5","2","2","9","6","3","1") = "8"
    & skf18("5","2","2","9","6","4","1") = "8"
    & skf18("5","2","2","9","6","5","1") = "8"
    & skf18("5","2","2","9","6","6","1") = "8"
    & skf18("5","2","2","9","6","7","1") = "8"
    & skf18("5","2","2","9","6","8","1") = "8"
    & skf18("5","2","2","9","6","9","1") = "8"
    & skf18("5","2","2","9","6","10","1") = "9"
    & skf18("5","2","2","9","7","1","1") = "8"
    & skf18("5","2","2","9","7","2","1") = "8"
    & skf18("5","2","2","9","7","3","1") = "8"
    & skf18("5","2","2","9","7","4","1") = "8"
    & skf18("5","2","2","9","7","5","1") = "8"
    & skf18("5","2","2","9","7","6","1") = "8"
    & skf18("5","2","2","9","7","7","1") = "8"
    & skf18("5","2","2","9","7","8","1") = "8"
    & skf18("5","2","2","9","7","9","1") = "8"
    & skf18("5","2","2","9","7","10","1") = "9"
    & skf18("5","2","2","9","8","1","1") = "8"
    & skf18("5","2","2","9","8","2","1") = "8"
    & skf18("5","2","2","9","8","3","1") = "8"
    & skf18("5","2","2","9","8","4","1") = "8"
    & skf18("5","2","2","9","8","5","1") = "8"
    & skf18("5","2","2","9","8","6","1") = "8"
    & skf18("5","2","2","9","8","7","1") = "8"
    & skf18("5","2","2","9","8","8","1") = "8"
    & skf18("5","2","2","9","8","9","1") = "8"
    & skf18("5","2","2","9","8","10","1") = "9"
    & skf18("5","2","2","9","9","1","1") = "8"
    & skf18("5","2","2","9","9","2","1") = "8"
    & skf18("5","2","2","9","9","3","1") = "8"
    & skf18("5","2","2","9","9","4","1") = "8"
    & skf18("5","2","2","9","9","5","1") = "8"
    & skf18("5","2","2","9","9","6","1") = "8"
    & skf18("5","2","2","9","9","7","1") = "8"
    & skf18("5","2","2","9","9","8","1") = "8"
    & skf18("5","2","2","9","9","9","1") = "8"
    & skf18("5","2","2","9","9","10","1") = "9"
    & skf18("5","2","2","9","10","1","1") = "9"
    & skf18("5","2","2","9","10","2","1") = "9"
    & skf18("5","2","2","9","10","3","1") = "9"
    & skf18("5","2","2","9","10","4","1") = "9"
    & skf18("5","2","2","9","10","5","1") = "9"
    & skf18("5","2","2","9","10","6","1") = "9"
    & skf18("5","2","2","9","10","7","1") = "9"
    & skf18("5","2","2","9","10","8","1") = "9"
    & skf18("5","2","2","9","10","9","1") = "9"
    & skf18("5","2","2","9","10","10","1") = "9"
    & skf18("5","2","2","10","1","1","1") = "9"
    & skf18("5","2","2","10","1","2","1") = "9"
    & skf18("5","2","2","10","1","3","1") = "9"
    & skf18("5","2","2","10","1","4","1") = "9"
    & skf18("5","2","2","10","1","5","1") = "9"
    & skf18("5","2","2","10","1","6","1") = "9"
    & skf18("5","2","2","10","1","7","1") = "9"
    & skf18("5","2","2","10","1","8","1") = "9"
    & skf18("5","2","2","10","1","9","1") = "9"
    & skf18("5","2","2","10","1","10","1") = "9"
    & skf18("5","2","2","10","2","1","1") = "9"
    & skf18("5","2","2","10","2","2","1") = "9"
    & skf18("5","2","2","10","2","3","1") = "9"
    & skf18("5","2","2","10","2","4","1") = "9"
    & skf18("5","2","2","10","2","5","1") = "9"
    & skf18("5","2","2","10","2","6","1") = "9"
    & skf18("5","2","2","10","2","7","1") = "9"
    & skf18("5","2","2","10","2","8","1") = "9"
    & skf18("5","2","2","10","2","9","1") = "9"
    & skf18("5","2","2","10","2","10","1") = "9"
    & skf18("5","2","2","10","3","1","1") = "9"
    & skf18("5","2","2","10","3","2","1") = "9"
    & skf18("5","2","2","10","3","3","1") = "9"
    & skf18("5","2","2","10","3","4","1") = "9"
    & skf18("5","2","2","10","3","5","1") = "9"
    & skf18("5","2","2","10","3","6","1") = "9"
    & skf18("5","2","2","10","3","7","1") = "9"
    & skf18("5","2","2","10","3","8","1") = "9"
    & skf18("5","2","2","10","3","9","1") = "9"
    & skf18("5","2","2","10","3","10","1") = "9"
    & skf18("5","2","2","10","4","1","1") = "9"
    & skf18("5","2","2","10","4","2","1") = "9"
    & skf18("5","2","2","10","4","3","1") = "9"
    & skf18("5","2","2","10","4","4","1") = "9"
    & skf18("5","2","2","10","4","5","1") = "9"
    & skf18("5","2","2","10","4","6","1") = "9"
    & skf18("5","2","2","10","4","7","1") = "9"
    & skf18("5","2","2","10","4","8","1") = "9"
    & skf18("5","2","2","10","4","9","1") = "9"
    & skf18("5","2","2","10","4","10","1") = "9"
    & skf18("5","2","2","10","5","1","1") = "9"
    & skf18("5","2","2","10","5","2","1") = "9"
    & skf18("5","2","2","10","5","3","1") = "9"
    & skf18("5","2","2","10","5","4","1") = "9"
    & skf18("5","2","2","10","5","5","1") = "9"
    & skf18("5","2","2","10","5","6","1") = "9"
    & skf18("5","2","2","10","5","7","1") = "9"
    & skf18("5","2","2","10","5","8","1") = "9"
    & skf18("5","2","2","10","5","9","1") = "9"
    & skf18("5","2","2","10","5","10","1") = "9"
    & skf18("5","2","2","10","6","1","1") = "9"
    & skf18("5","2","2","10","6","2","1") = "9"
    & skf18("5","2","2","10","6","3","1") = "9"
    & skf18("5","2","2","10","6","4","1") = "9"
    & skf18("5","2","2","10","6","5","1") = "9"
    & skf18("5","2","2","10","6","6","1") = "9"
    & skf18("5","2","2","10","6","7","1") = "9"
    & skf18("5","2","2","10","6","8","1") = "9"
    & skf18("5","2","2","10","6","9","1") = "9"
    & skf18("5","2","2","10","6","10","1") = "9"
    & skf18("5","2","2","10","7","1","1") = "9"
    & skf18("5","2","2","10","7","2","1") = "9"
    & skf18("5","2","2","10","7","3","1") = "9"
    & skf18("5","2","2","10","7","4","1") = "9"
    & skf18("5","2","2","10","7","5","1") = "9"
    & skf18("5","2","2","10","7","6","1") = "9"
    & skf18("5","2","2","10","7","7","1") = "9"
    & skf18("5","2","2","10","7","8","1") = "9"
    & skf18("5","2","2","10","7","9","1") = "9"
    & skf18("5","2","2","10","7","10","1") = "9"
    & skf18("5","2","2","10","8","1","1") = "9"
    & skf18("5","2","2","10","8","2","1") = "9"
    & skf18("5","2","2","10","8","3","1") = "9"
    & skf18("5","2","2","10","8","4","1") = "9"
    & skf18("5","2","2","10","8","5","1") = "9"
    & skf18("5","2","2","10","8","6","1") = "9"
    & skf18("5","2","2","10","8","7","1") = "9"
    & skf18("5","2","2","10","8","8","1") = "9"
    & skf18("5","2","2","10","8","9","1") = "9"
    & skf18("5","2","2","10","8","10","1") = "9"
    & skf18("5","2","2","10","9","1","1") = "9"
    & skf18("5","2","2","10","9","2","1") = "9"
    & skf18("5","2","2","10","9","3","1") = "9"
    & skf18("5","2","2","10","9","4","1") = "9"
    & skf18("5","2","2","10","9","5","1") = "9"
    & skf18("5","2","2","10","9","6","1") = "9"
    & skf18("5","2","2","10","9","7","1") = "9"
    & skf18("5","2","2","10","9","8","1") = "9"
    & skf18("5","2","2","10","9","9","1") = "9"
    & skf18("5","2","2","10","9","10","1") = "9"
    & skf18("5","2","2","10","10","1","1") = "9"
    & skf18("5","2","2","10","10","2","1") = "9"
    & skf18("5","2","2","10","10","3","1") = "9"
    & skf18("5","2","2","10","10","4","1") = "9"
    & skf18("5","2","2","10","10","5","1") = "9"
    & skf18("5","2","2","10","10","6","1") = "9"
    & skf18("5","2","2","10","10","7","1") = "9"
    & skf18("5","2","2","10","10","8","1") = "9"
    & skf18("5","2","2","10","10","9","1") = "9"
    & skf18("5","2","2","10","10","10","1") = "9"
    & skf18("5","2","3","1","1","1","1") = "4"
    & skf18("5","2","3","1","1","2","1") = "4"
    & skf18("5","2","3","1","1","3","1") = "4"
    & skf18("5","2","3","1","1","4","1") = "4"
    & skf18("5","2","3","1","1","5","1") = "4"
    & skf18("5","2","3","1","1","6","1") = "5"
    & skf18("5","2","3","1","1","7","1") = "6"
    & skf18("5","2","3","1","1","8","1") = "7"
    & skf18("5","2","3","1","1","9","1") = "8"
    & skf18("5","2","3","1","1","10","1") = "9"
    & skf18("5","2","3","1","2","1","1") = "4"
    & skf18("5","2","3","1","2","2","1") = "4"
    & skf18("5","2","3","1","2","3","1") = "4"
    & skf18("5","2","3","1","2","4","1") = "4"
    & skf18("5","2","3","1","2","5","1") = "4"
    & skf18("5","2","3","1","2","6","1") = "5"
    & skf18("5","2","3","1","2","7","1") = "6"
    & skf18("5","2","3","1","2","8","1") = "7"
    & skf18("5","2","3","1","2","9","1") = "8"
    & skf18("5","2","3","1","2","10","1") = "9"
    & skf18("5","2","3","1","3","1","1") = "4"
    & skf18("5","2","3","1","3","2","1") = "4"
    & skf18("5","2","3","1","3","3","1") = "4"
    & skf18("5","2","3","1","3","4","1") = "4"
    & skf18("5","2","3","1","3","5","1") = "4"
    & skf18("5","2","3","1","3","6","1") = "5"
    & skf18("5","2","3","1","3","7","1") = "6"
    & skf18("5","2","3","1","3","8","1") = "7"
    & skf18("5","2","3","1","3","9","1") = "8"
    & skf18("5","2","3","1","3","10","1") = "9"
    & skf18("5","2","3","1","4","1","1") = "4"
    & skf18("5","2","3","1","4","2","1") = "4"
    & skf18("5","2","3","1","4","3","1") = "4"
    & skf18("5","2","3","1","4","4","1") = "4"
    & skf18("5","2","3","1","4","5","1") = "4"
    & skf18("5","2","3","1","4","6","1") = "5"
    & skf18("5","2","3","1","4","7","1") = "6"
    & skf18("5","2","3","1","4","8","1") = "7"
    & skf18("5","2","3","1","4","9","1") = "8"
    & skf18("5","2","3","1","4","10","1") = "9"
    & skf18("5","2","3","1","5","1","1") = "4"
    & skf18("5","2","3","1","5","2","1") = "4"
    & skf18("5","2","3","1","5","3","1") = "3"
    & skf18("5","2","3","1","5","4","1") = "4"
    & skf18("5","2","3","1","5","5","1") = "4"
    & skf18("5","2","3","1","5","6","1") = "5"
    & skf18("5","2","3","1","5","7","1") = "6"
    & skf18("5","2","3","1","5","8","1") = "7"
    & skf18("5","2","3","1","5","9","1") = "8"
    & skf18("5","2","3","1","5","10","1") = "9"
    & skf18("5","2","3","1","6","1","1") = "5"
    & skf18("5","2","3","1","6","2","1") = "5"
    & skf18("5","2","3","1","6","3","1") = "5"
    & skf18("5","2","3","1","6","4","1") = "5"
    & skf18("5","2","3","1","6","5","1") = "5"
    & skf18("5","2","3","1","6","6","1") = "5"
    & skf18("5","2","3","1","6","7","1") = "6"
    & skf18("5","2","3","1","6","8","1") = "7"
    & skf18("5","2","3","1","6","9","1") = "8"
    & skf18("5","2","3","1","6","10","1") = "9"
    & skf18("5","2","3","1","7","1","1") = "6"
    & skf18("5","2","3","1","7","2","1") = "6"
    & skf18("5","2","3","1","7","3","1") = "6"
    & skf18("5","2","3","1","7","4","1") = "6"
    & skf18("5","2","3","1","7","5","1") = "6"
    & skf18("5","2","3","1","7","6","1") = "6"
    & skf18("5","2","3","1","7","7","1") = "6"
    & skf18("5","2","3","1","7","8","1") = "7"
    & skf18("5","2","3","1","7","9","1") = "8"
    & skf18("5","2","3","1","7","10","1") = "9"
    & skf18("5","2","3","1","8","1","1") = "7"
    & skf18("5","2","3","1","8","2","1") = "7"
    & skf18("5","2","3","1","8","3","1") = "7"
    & skf18("5","2","3","1","8","4","1") = "7"
    & skf18("5","2","3","1","8","5","1") = "7"
    & skf18("5","2","3","1","8","6","1") = "7"
    & skf18("5","2","3","1","8","7","1") = "7"
    & skf18("5","2","3","1","8","8","1") = "7"
    & skf18("5","2","3","1","8","9","1") = "8"
    & skf18("5","2","3","1","8","10","1") = "9"
    & skf18("5","2","3","1","9","1","1") = "8"
    & skf18("5","2","3","1","9","2","1") = "8"
    & skf18("5","2","3","1","9","3","1") = "8"
    & skf18("5","2","3","1","9","4","1") = "8"
    & skf18("5","2","3","1","9","5","1") = "8"
    & skf18("5","2","3","1","9","6","1") = "8"
    & skf18("5","2","3","1","9","7","1") = "8"
    & skf18("5","2","3","1","9","8","1") = "8"
    & skf18("5","2","3","1","9","9","1") = "8"
    & skf18("5","2","3","1","9","10","1") = "9"
    & skf18("5","2","3","1","10","1","1") = "9"
    & skf18("5","2","3","1","10","2","1") = "9"
    & skf18("5","2","3","1","10","3","1") = "9"
    & skf18("5","2","3","1","10","4","1") = "9"
    & skf18("5","2","3","1","10","5","1") = "9"
    & skf18("5","2","3","1","10","6","1") = "9"
    & skf18("5","2","3","1","10","7","1") = "9"
    & skf18("5","2","3","1","10","8","1") = "9"
    & skf18("5","2","3","1","10","9","1") = "9"
    & skf18("5","2","3","1","10","10","1") = "9"
    & skf18("5","2","3","2","1","1","1") = "4"
    & skf18("5","2","3","2","1","2","1") = "4"
    & skf18("5","2","3","2","1","3","1") = "4"
    & skf18("5","2","3","2","1","4","1") = "4"
    & skf18("5","2","3","2","1","5","1") = "4"
    & skf18("5","2","3","2","1","6","1") = "5"
    & skf18("5","2","3","2","1","7","1") = "6"
    & skf18("5","2","3","2","1","8","1") = "7"
    & skf18("5","2","3","2","1","9","1") = "8"
    & skf18("5","2","3","2","1","10","1") = "9"
    & skf18("5","2","3","2","2","1","1") = "4"
    & skf18("5","2","3","2","2","2","1") = "4"
    & skf18("5","2","3","2","2","3","1") = "4"
    & skf18("5","2","3","2","2","4","1") = "4"
    & skf18("5","2","3","2","2","5","1") = "4"
    & skf18("5","2","3","2","2","6","1") = "5"
    & skf18("5","2","3","2","2","7","1") = "6"
    & skf18("5","2","3","2","2","8","1") = "7"
    & skf18("5","2","3","2","2","9","1") = "8"
    & skf18("5","2","3","2","2","10","1") = "9"
    & skf18("5","2","3","2","3","1","1") = "4"
    & skf18("5","2","3","2","3","2","1") = "4"
    & skf18("5","2","3","2","3","3","1") = "4"
    & skf18("5","2","3","2","3","4","1") = "4"
    & skf18("5","2","3","2","3","5","1") = "4"
    & skf18("5","2","3","2","3","6","1") = "5"
    & skf18("5","2","3","2","3","7","1") = "6"
    & skf18("5","2","3","2","3","8","1") = "7"
    & skf18("5","2","3","2","3","9","1") = "8"
    & skf18("5","2","3","2","3","10","1") = "9"
    & skf18("5","2","3","2","4","1","1") = "4"
    & skf18("5","2","3","2","4","2","1") = "4"
    & skf18("5","2","3","2","4","3","1") = "4"
    & skf18("5","2","3","2","4","4","1") = "4"
    & skf18("5","2","3","2","4","5","1") = "4"
    & skf18("5","2","3","2","4","6","1") = "5"
    & skf18("5","2","3","2","4","7","1") = "6"
    & skf18("5","2","3","2","4","8","1") = "7"
    & skf18("5","2","3","2","4","9","1") = "8"
    & skf18("5","2","3","2","4","10","1") = "9"
    & skf18("5","2","3","2","5","1","1") = "4"
    & skf18("5","2","3","2","5","2","1") = "4"
    & skf18("5","2","3","2","5","3","1") = "4"
    & skf18("5","2","3","2","5","4","1") = "4"
    & skf18("5","2","3","2","5","5","1") = "4"
    & skf18("5","2","3","2","5","6","1") = "5"
    & skf18("5","2","3","2","5","7","1") = "6"
    & skf18("5","2","3","2","5","8","1") = "7"
    & skf18("5","2","3","2","5","9","1") = "8"
    & skf18("5","2","3","2","5","10","1") = "9"
    & skf18("5","2","3","2","6","1","1") = "5"
    & skf18("5","2","3","2","6","2","1") = "5"
    & skf18("5","2","3","2","6","3","1") = "5"
    & skf18("5","2","3","2","6","4","1") = "5"
    & skf18("5","2","3","2","6","5","1") = "5"
    & skf18("5","2","3","2","6","6","1") = "5"
    & skf18("5","2","3","2","6","7","1") = "6"
    & skf18("5","2","3","2","6","8","1") = "7"
    & skf18("5","2","3","2","6","9","1") = "8"
    & skf18("5","2","3","2","6","10","1") = "9"
    & skf18("5","2","3","2","7","1","1") = "6"
    & skf18("5","2","3","2","7","2","1") = "6"
    & skf18("5","2","3","2","7","3","1") = "6"
    & skf18("5","2","3","2","7","4","1") = "6"
    & skf18("5","2","3","2","7","5","1") = "6"
    & skf18("5","2","3","2","7","6","1") = "6"
    & skf18("5","2","3","2","7","7","1") = "6"
    & skf18("5","2","3","2","7","8","1") = "7"
    & skf18("5","2","3","2","7","9","1") = "8"
    & skf18("5","2","3","2","7","10","1") = "9"
    & skf18("5","2","3","2","8","1","1") = "7"
    & skf18("5","2","3","2","8","2","1") = "7"
    & skf18("5","2","3","2","8","3","1") = "7"
    & skf18("5","2","3","2","8","4","1") = "7"
    & skf18("5","2","3","2","8","5","1") = "7"
    & skf18("5","2","3","2","8","6","1") = "7"
    & skf18("5","2","3","2","8","7","1") = "7"
    & skf18("5","2","3","2","8","8","1") = "7"
    & skf18("5","2","3","2","8","9","1") = "8"
    & skf18("5","2","3","2","8","10","1") = "9"
    & skf18("5","2","3","2","9","1","1") = "8"
    & skf18("5","2","3","2","9","2","1") = "8"
    & skf18("5","2","3","2","9","3","1") = "8"
    & skf18("5","2","3","2","9","4","1") = "8"
    & skf18("5","2","3","2","9","5","1") = "8"
    & skf18("5","2","3","2","9","6","1") = "8"
    & skf18("5","2","3","2","9","7","1") = "8"
    & skf18("5","2","3","2","9","8","1") = "8"
    & skf18("5","2","3","2","9","9","1") = "8"
    & skf18("5","2","3","2","9","10","1") = "9"
    & skf18("5","2","3","2","10","1","1") = "9"
    & skf18("5","2","3","2","10","2","1") = "9"
    & skf18("5","2","3","2","10","3","1") = "9"
    & skf18("5","2","3","2","10","4","1") = "9"
    & skf18("5","2","3","2","10","5","1") = "9"
    & skf18("5","2","3","2","10","6","1") = "9"
    & skf18("5","2","3","2","10","7","1") = "9"
    & skf18("5","2","3","2","10","8","1") = "9"
    & skf18("5","2","3","2","10","9","1") = "9"
    & skf18("5","2","3","2","10","10","1") = "9"
    & skf18("5","2","3","3","1","1","1") = "4"
    & skf18("5","2","3","3","1","2","1") = "4"
    & skf18("5","2","3","3","1","3","1") = "4"
    & skf18("5","2","3","3","1","4","1") = "4"
    & skf18("5","2","3","3","1","5","1") = "4"
    & skf18("5","2","3","3","1","6","1") = "5"
    & skf18("5","2","3","3","1","7","1") = "6"
    & skf18("5","2","3","3","1","8","1") = "7"
    & skf18("5","2","3","3","1","9","1") = "8"
    & skf18("5","2","3","3","1","10","1") = "9"
    & skf18("5","2","3","3","2","1","1") = "4"
    & skf18("5","2","3","3","2","2","1") = "4"
    & skf18("5","2","3","3","2","3","1") = "4"
    & skf18("5","2","3","3","2","4","1") = "4"
    & skf18("5","2","3","3","2","5","1") = "4"
    & skf18("5","2","3","3","2","6","1") = "5"
    & skf18("5","2","3","3","2","7","1") = "6"
    & skf18("5","2","3","3","2","8","1") = "7"
    & skf18("5","2","3","3","2","9","1") = "8"
    & skf18("5","2","3","3","2","10","1") = "9"
    & skf18("5","2","3","3","3","1","1") = "4"
    & skf18("5","2","3","3","3","2","1") = "4"
    & skf18("5","2","3","3","3","3","1") = "4"
    & skf18("5","2","3","3","3","4","1") = "4"
    & skf18("5","2","3","3","3","5","1") = "4"
    & skf18("5","2","3","3","3","6","1") = "5"
    & skf18("5","2","3","3","3","7","1") = "6"
    & skf18("5","2","3","3","3","8","1") = "7"
    & skf18("5","2","3","3","3","9","1") = "8"
    & skf18("5","2","3","3","3","10","1") = "9"
    & skf18("5","2","3","3","4","1","1") = "4"
    & skf18("5","2","3","3","4","2","1") = "4"
    & skf18("5","2","3","3","4","3","1") = "4"
    & skf18("5","2","3","3","4","4","1") = "4"
    & skf18("5","2","3","3","4","5","1") = "4"
    & skf18("5","2","3","3","4","6","1") = "5"
    & skf18("5","2","3","3","4","7","1") = "6"
    & skf18("5","2","3","3","4","8","1") = "7"
    & skf18("5","2","3","3","4","9","1") = "8"
    & skf18("5","2","3","3","4","10","1") = "9"
    & skf18("5","2","3","3","5","1","1") = "4"
    & skf18("5","2","3","3","5","2","1") = "4"
    & skf18("5","2","3","3","5","3","1") = "4"
    & skf18("5","2","3","3","5","4","1") = "4"
    & skf18("5","2","3","3","5","5","1") = "4"
    & skf18("5","2","3","3","5","6","1") = "5"
    & skf18("5","2","3","3","5","7","1") = "6"
    & skf18("5","2","3","3","5","8","1") = "7"
    & skf18("5","2","3","3","5","9","1") = "8"
    & skf18("5","2","3","3","5","10","1") = "9"
    & skf18("5","2","3","3","6","1","1") = "5"
    & skf18("5","2","3","3","6","2","1") = "5"
    & skf18("5","2","3","3","6","3","1") = "5"
    & skf18("5","2","3","3","6","4","1") = "5"
    & skf18("5","2","3","3","6","5","1") = "5"
    & skf18("5","2","3","3","6","6","1") = "5"
    & skf18("5","2","3","3","6","7","1") = "6"
    & skf18("5","2","3","3","6","8","1") = "7"
    & skf18("5","2","3","3","6","9","1") = "8"
    & skf18("5","2","3","3","6","10","1") = "9"
    & skf18("5","2","3","3","7","1","1") = "6"
    & skf18("5","2","3","3","7","2","1") = "6"
    & skf18("5","2","3","3","7","3","1") = "6"
    & skf18("5","2","3","3","7","4","1") = "6"
    & skf18("5","2","3","3","7","5","1") = "6"
    & skf18("5","2","3","3","7","6","1") = "6"
    & skf18("5","2","3","3","7","7","1") = "6"
    & skf18("5","2","3","3","7","8","1") = "7"
    & skf18("5","2","3","3","7","9","1") = "8"
    & skf18("5","2","3","3","7","10","1") = "9"
    & skf18("5","2","3","3","8","1","1") = "7"
    & skf18("5","2","3","3","8","2","1") = "7"
    & skf18("5","2","3","3","8","3","1") = "7"
    & skf18("5","2","3","3","8","4","1") = "7"
    & skf18("5","2","3","3","8","5","1") = "7"
    & skf18("5","2","3","3","8","6","1") = "7"
    & skf18("5","2","3","3","8","7","1") = "7"
    & skf18("5","2","3","3","8","8","1") = "7"
    & skf18("5","2","3","3","8","9","1") = "8"
    & skf18("5","2","3","3","8","10","1") = "9"
    & skf18("5","2","3","3","9","1","1") = "8"
    & skf18("5","2","3","3","9","2","1") = "8"
    & skf18("5","2","3","3","9","3","1") = "8"
    & skf18("5","2","3","3","9","4","1") = "8"
    & skf18("5","2","3","3","9","5","1") = "8"
    & skf18("5","2","3","3","9","6","1") = "8"
    & skf18("5","2","3","3","9","7","1") = "8"
    & skf18("5","2","3","3","9","8","1") = "8"
    & skf18("5","2","3","3","9","9","1") = "8"
    & skf18("5","2","3","3","9","10","1") = "9"
    & skf18("5","2","3","3","10","1","1") = "9"
    & skf18("5","2","3","3","10","2","1") = "9"
    & skf18("5","2","3","3","10","3","1") = "9"
    & skf18("5","2","3","3","10","4","1") = "9"
    & skf18("5","2","3","3","10","5","1") = "9"
    & skf18("5","2","3","3","10","6","1") = "9"
    & skf18("5","2","3","3","10","7","1") = "9"
    & skf18("5","2","3","3","10","8","1") = "9"
    & skf18("5","2","3","3","10","9","1") = "9"
    & skf18("5","2","3","3","10","10","1") = "9"
    & skf18("5","2","3","4","1","1","1") = "4"
    & skf18("5","2","3","4","1","2","1") = "4"
    & skf18("5","2","3","4","1","3","1") = "4"
    & skf18("5","2","3","4","1","4","1") = "4"
    & skf18("5","2","3","4","1","5","1") = "4"
    & skf18("5","2","3","4","1","6","1") = "5"
    & skf18("5","2","3","4","1","7","1") = "6"
    & skf18("5","2","3","4","1","8","1") = "7"
    & skf18("5","2","3","4","1","9","1") = "8"
    & skf18("5","2","3","4","1","10","1") = "9"
    & skf18("5","2","3","4","2","1","1") = "4"
    & skf18("5","2","3","4","2","2","1") = "4"
    & skf18("5","2","3","4","2","3","1") = "4"
    & skf18("5","2","3","4","2","4","1") = "4"
    & skf18("5","2","3","4","2","5","1") = "4"
    & skf18("5","2","3","4","2","6","1") = "5"
    & skf18("5","2","3","4","2","7","1") = "6"
    & skf18("5","2","3","4","2","8","1") = "7"
    & skf18("5","2","3","4","2","9","1") = "8"
    & skf18("5","2","3","4","2","10","1") = "9"
    & skf18("5","2","3","4","3","1","1") = "4"
    & skf18("5","2","3","4","3","2","1") = "4"
    & skf18("5","2","3","4","3","3","1") = "4"
    & skf18("5","2","3","4","3","4","1") = "4"
    & skf18("5","2","3","4","3","5","1") = "4"
    & skf18("5","2","3","4","3","6","1") = "5"
    & skf18("5","2","3","4","3","7","1") = "6"
    & skf18("5","2","3","4","3","8","1") = "7"
    & skf18("5","2","3","4","3","9","1") = "8"
    & skf18("5","2","3","4","3","10","1") = "9"
    & skf18("5","2","3","4","4","1","1") = "4"
    & skf18("5","2","3","4","4","2","1") = "4"
    & skf18("5","2","3","4","4","3","1") = "4"
    & skf18("5","2","3","4","4","4","1") = "4"
    & skf18("5","2","3","4","4","5","1") = "4"
    & skf18("5","2","3","4","4","6","1") = "5"
    & skf18("5","2","3","4","4","7","1") = "6"
    & skf18("5","2","3","4","4","8","1") = "7"
    & skf18("5","2","3","4","4","9","1") = "8"
    & skf18("5","2","3","4","4","10","1") = "9"
    & skf18("5","2","3","4","5","1","1") = "4"
    & skf18("5","2","3","4","5","2","1") = "4"
    & skf18("5","2","3","4","5","3","1") = "4"
    & skf18("5","2","3","4","5","4","1") = "4"
    & skf18("5","2","3","4","5","5","1") = "4"
    & skf18("5","2","3","4","5","6","1") = "5"
    & skf18("5","2","3","4","5","7","1") = "6"
    & skf18("5","2","3","4","5","8","1") = "7"
    & skf18("5","2","3","4","5","9","1") = "8"
    & skf18("5","2","3","4","5","10","1") = "9"
    & skf18("5","2","3","4","6","1","1") = "5"
    & skf18("5","2","3","4","6","2","1") = "5"
    & skf18("5","2","3","4","6","3","1") = "5"
    & skf18("5","2","3","4","6","4","1") = "5"
    & skf18("5","2","3","4","6","5","1") = "5"
    & skf18("5","2","3","4","6","6","1") = "5"
    & skf18("5","2","3","4","6","7","1") = "6"
    & skf18("5","2","3","4","6","8","1") = "7"
    & skf18("5","2","3","4","6","9","1") = "8"
    & skf18("5","2","3","4","6","10","1") = "9"
    & skf18("5","2","3","4","7","1","1") = "6"
    & skf18("5","2","3","4","7","2","1") = "6"
    & skf18("5","2","3","4","7","3","1") = "6"
    & skf18("5","2","3","4","7","4","1") = "6"
    & skf18("5","2","3","4","7","5","1") = "6"
    & skf18("5","2","3","4","7","6","1") = "6"
    & skf18("5","2","3","4","7","7","1") = "6"
    & skf18("5","2","3","4","7","8","1") = "7"
    & skf18("5","2","3","4","7","9","1") = "8"
    & skf18("5","2","3","4","7","10","1") = "9"
    & skf18("5","2","3","4","8","1","1") = "7"
    & skf18("5","2","3","4","8","2","1") = "7"
    & skf18("5","2","3","4","8","3","1") = "7"
    & skf18("5","2","3","4","8","4","1") = "7"
    & skf18("5","2","3","4","8","5","1") = "7"
    & skf18("5","2","3","4","8","6","1") = "7"
    & skf18("5","2","3","4","8","7","1") = "7"
    & skf18("5","2","3","4","8","8","1") = "7"
    & skf18("5","2","3","4","8","9","1") = "8"
    & skf18("5","2","3","4","8","10","1") = "9"
    & skf18("5","2","3","4","9","1","1") = "8"
    & skf18("5","2","3","4","9","2","1") = "8"
    & skf18("5","2","3","4","9","3","1") = "8"
    & skf18("5","2","3","4","9","4","1") = "8"
    & skf18("5","2","3","4","9","5","1") = "8"
    & skf18("5","2","3","4","9","6","1") = "8"
    & skf18("5","2","3","4","9","7","1") = "8"
    & skf18("5","2","3","4","9","8","1") = "8"
    & skf18("5","2","3","4","9","9","1") = "8"
    & skf18("5","2","3","4","9","10","1") = "9"
    & skf18("5","2","3","4","10","1","1") = "9"
    & skf18("5","2","3","4","10","2","1") = "9"
    & skf18("5","2","3","4","10","3","1") = "9"
    & skf18("5","2","3","4","10","4","1") = "9"
    & skf18("5","2","3","4","10","5","1") = "9"
    & skf18("5","2","3","4","10","6","1") = "9"
    & skf18("5","2","3","4","10","7","1") = "9"
    & skf18("5","2","3","4","10","8","1") = "9"
    & skf18("5","2","3","4","10","9","1") = "9"
    & skf18("5","2","3","4","10","10","1") = "9"
    & skf18("5","2","3","5","1","1","1") = "4"
    & skf18("5","2","3","5","1","2","1") = "4"
    & skf18("5","2","3","5","1","3","1") = "4"
    & skf18("5","2","3","5","1","4","1") = "4"
    & skf18("5","2","3","5","1","5","1") = "4"
    & skf18("5","2","3","5","1","6","1") = "5"
    & skf18("5","2","3","5","1","7","1") = "6"
    & skf18("5","2","3","5","1","8","1") = "7"
    & skf18("5","2","3","5","1","9","1") = "8"
    & skf18("5","2","3","5","1","10","1") = "9"
    & skf18("5","2","3","5","2","1","1") = "4"
    & skf18("5","2","3","5","2","2","1") = "4"
    & skf18("5","2","3","5","2","3","1") = "4"
    & skf18("5","2","3","5","2","4","1") = "4"
    & skf18("5","2","3","5","2","5","1") = "4"
    & skf18("5","2","3","5","2","6","1") = "5"
    & skf18("5","2","3","5","2","7","1") = "6"
    & skf18("5","2","3","5","2","8","1") = "7"
    & skf18("5","2","3","5","2","9","1") = "8"
    & skf18("5","2","3","5","2","10","1") = "9"
    & skf18("5","2","3","5","3","1","1") = "4"
    & skf18("5","2","3","5","3","2","1") = "4"
    & skf18("5","2","3","5","3","3","1") = "4"
    & skf18("5","2","3","5","3","4","1") = "4"
    & skf18("5","2","3","5","3","5","1") = "4"
    & skf18("5","2","3","5","3","6","1") = "5"
    & skf18("5","2","3","5","3","7","1") = "6"
    & skf18("5","2","3","5","3","8","1") = "7"
    & skf18("5","2","3","5","3","9","1") = "8"
    & skf18("5","2","3","5","3","10","1") = "9"
    & skf18("5","2","3","5","4","1","1") = "4"
    & skf18("5","2","3","5","4","2","1") = "4"
    & skf18("5","2","3","5","4","3","1") = "4"
    & skf18("5","2","3","5","4","4","1") = "4"
    & skf18("5","2","3","5","4","5","1") = "4"
    & skf18("5","2","3","5","4","6","1") = "5"
    & skf18("5","2","3","5","4","7","1") = "6"
    & skf18("5","2","3","5","4","8","1") = "7"
    & skf18("5","2","3","5","4","9","1") = "8"
    & skf18("5","2","3","5","4","10","1") = "9"
    & skf18("5","2","3","5","5","1","1") = "4"
    & skf18("5","2","3","5","5","2","1") = "4"
    & skf18("5","2","3","5","5","3","1") = "4"
    & skf18("5","2","3","5","5","4","1") = "4"
    & skf18("5","2","3","5","5","5","1") = "4"
    & skf18("5","2","3","5","5","6","1") = "5"
    & skf18("5","2","3","5","5","7","1") = "6"
    & skf18("5","2","3","5","5","8","1") = "7"
    & skf18("5","2","3","5","5","9","1") = "8"
    & skf18("5","2","3","5","5","10","1") = "9"
    & skf18("5","2","3","5","6","1","1") = "5"
    & skf18("5","2","3","5","6","2","1") = "5"
    & skf18("5","2","3","5","6","3","1") = "5"
    & skf18("5","2","3","5","6","4","1") = "5"
    & skf18("5","2","3","5","6","5","1") = "5"
    & skf18("5","2","3","5","6","6","1") = "5"
    & skf18("5","2","3","5","6","7","1") = "6"
    & skf18("5","2","3","5","6","8","1") = "7"
    & skf18("5","2","3","5","6","9","1") = "8"
    & skf18("5","2","3","5","6","10","1") = "9"
    & skf18("5","2","3","5","7","1","1") = "6"
    & skf18("5","2","3","5","7","2","1") = "6"
    & skf18("5","2","3","5","7","3","1") = "6"
    & skf18("5","2","3","5","7","4","1") = "6"
    & skf18("5","2","3","5","7","5","1") = "6"
    & skf18("5","2","3","5","7","6","1") = "6"
    & skf18("5","2","3","5","7","7","1") = "6"
    & skf18("5","2","3","5","7","8","1") = "7"
    & skf18("5","2","3","5","7","9","1") = "8"
    & skf18("5","2","3","5","7","10","1") = "9"
    & skf18("5","2","3","5","8","1","1") = "7"
    & skf18("5","2","3","5","8","2","1") = "7"
    & skf18("5","2","3","5","8","3","1") = "7"
    & skf18("5","2","3","5","8","4","1") = "7"
    & skf18("5","2","3","5","8","5","1") = "7"
    & skf18("5","2","3","5","8","6","1") = "7"
    & skf18("5","2","3","5","8","7","1") = "7"
    & skf18("5","2","3","5","8","8","1") = "7"
    & skf18("5","2","3","5","8","9","1") = "8"
    & skf18("5","2","3","5","8","10","1") = "9"
    & skf18("5","2","3","5","9","1","1") = "8"
    & skf18("5","2","3","5","9","2","1") = "8"
    & skf18("5","2","3","5","9","3","1") = "8"
    & skf18("5","2","3","5","9","4","1") = "8"
    & skf18("5","2","3","5","9","5","1") = "8"
    & skf18("5","2","3","5","9","6","1") = "8"
    & skf18("5","2","3","5","9","7","1") = "8"
    & skf18("5","2","3","5","9","8","1") = "8"
    & skf18("5","2","3","5","9","9","1") = "8"
    & skf18("5","2","3","5","9","10","1") = "9"
    & skf18("5","2","3","5","10","1","1") = "9"
    & skf18("5","2","3","5","10","2","1") = "9"
    & skf18("5","2","3","5","10","3","1") = "9"
    & skf18("5","2","3","5","10","4","1") = "9"
    & skf18("5","2","3","5","10","5","1") = "9"
    & skf18("5","2","3","5","10","6","1") = "9"
    & skf18("5","2","3","5","10","7","1") = "9"
    & skf18("5","2","3","5","10","8","1") = "9"
    & skf18("5","2","3","5","10","9","1") = "9"
    & skf18("5","2","3","5","10","10","1") = "9"
    & skf18("5","2","3","6","1","1","1") = "5"
    & skf18("5","2","3","6","1","2","1") = "5"
    & skf18("5","2","3","6","1","3","1") = "5"
    & skf18("5","2","3","6","1","4","1") = "5"
    & skf18("5","2","3","6","1","5","1") = "5"
    & skf18("5","2","3","6","1","6","1") = "5"
    & skf18("5","2","3","6","1","7","1") = "6"
    & skf18("5","2","3","6","1","8","1") = "7"
    & skf18("5","2","3","6","1","9","1") = "8"
    & skf18("5","2","3","6","1","10","1") = "9"
    & skf18("5","2","3","6","2","1","1") = "5"
    & skf18("5","2","3","6","2","2","1") = "5"
    & skf18("5","2","3","6","2","3","1") = "5"
    & skf18("5","2","3","6","2","4","1") = "5"
    & skf18("5","2","3","6","2","5","1") = "5"
    & skf18("5","2","3","6","2","6","1") = "5"
    & skf18("5","2","3","6","2","7","1") = "6"
    & skf18("5","2","3","6","2","8","1") = "7"
    & skf18("5","2","3","6","2","9","1") = "8"
    & skf18("5","2","3","6","2","10","1") = "9"
    & skf18("5","2","3","6","3","1","1") = "5"
    & skf18("5","2","3","6","3","2","1") = "5"
    & skf18("5","2","3","6","3","3","1") = "5"
    & skf18("5","2","3","6","3","4","1") = "5"
    & skf18("5","2","3","6","3","5","1") = "5"
    & skf18("5","2","3","6","3","6","1") = "5"
    & skf18("5","2","3","6","3","7","1") = "6"
    & skf18("5","2","3","6","3","8","1") = "7"
    & skf18("5","2","3","6","3","9","1") = "8"
    & skf18("5","2","3","6","3","10","1") = "9"
    & skf18("5","2","3","6","4","1","1") = "5"
    & skf18("5","2","3","6","4","2","1") = "5"
    & skf18("5","2","3","6","4","3","1") = "5"
    & skf18("5","2","3","6","4","4","1") = "5"
    & skf18("5","2","3","6","4","5","1") = "5"
    & skf18("5","2","3","6","4","6","1") = "5"
    & skf18("5","2","3","6","4","7","1") = "6"
    & skf18("5","2","3","6","4","8","1") = "7"
    & skf18("5","2","3","6","4","9","1") = "8"
    & skf18("5","2","3","6","4","10","1") = "9"
    & skf18("5","2","3","6","5","1","1") = "5"
    & skf18("5","2","3","6","5","2","1") = "5"
    & skf18("5","2","3","6","5","3","1") = "5"
    & skf18("5","2","3","6","5","4","1") = "5"
    & skf18("5","2","3","6","5","5","1") = "5"
    & skf18("5","2","3","6","5","6","1") = "5"
    & skf18("5","2","3","6","5","7","1") = "6"
    & skf18("5","2","3","6","5","8","1") = "7"
    & skf18("5","2","3","6","5","9","1") = "8"
    & skf18("5","2","3","6","5","10","1") = "9"
    & skf18("5","2","3","6","6","1","1") = "5"
    & skf18("5","2","3","6","6","2","1") = "5"
    & skf18("5","2","3","6","6","3","1") = "5"
    & skf18("5","2","3","6","6","4","1") = "5"
    & skf18("5","2","3","6","6","5","1") = "5"
    & skf18("5","2","3","6","6","6","1") = "5"
    & skf18("5","2","3","6","6","7","1") = "6"
    & skf18("5","2","3","6","6","8","1") = "7"
    & skf18("5","2","3","6","6","9","1") = "8"
    & skf18("5","2","3","6","6","10","1") = "9"
    & skf18("5","2","3","6","7","1","1") = "6"
    & skf18("5","2","3","6","7","2","1") = "6"
    & skf18("5","2","3","6","7","3","1") = "6"
    & skf18("5","2","3","6","7","4","1") = "6"
    & skf18("5","2","3","6","7","5","1") = "6"
    & skf18("5","2","3","6","7","6","1") = "6"
    & skf18("5","2","3","6","7","7","1") = "6"
    & skf18("5","2","3","6","7","8","1") = "7"
    & skf18("5","2","3","6","7","9","1") = "8"
    & skf18("5","2","3","6","7","10","1") = "9"
    & skf18("5","2","3","6","8","1","1") = "7"
    & skf18("5","2","3","6","8","2","1") = "7"
    & skf18("5","2","3","6","8","3","1") = "7"
    & skf18("5","2","3","6","8","4","1") = "7"
    & skf18("5","2","3","6","8","5","1") = "7"
    & skf18("5","2","3","6","8","6","1") = "7"
    & skf18("5","2","3","6","8","7","1") = "7"
    & skf18("5","2","3","6","8","8","1") = "7"
    & skf18("5","2","3","6","8","9","1") = "8"
    & skf18("5","2","3","6","8","10","1") = "9"
    & skf18("5","2","3","6","9","1","1") = "8"
    & skf18("5","2","3","6","9","2","1") = "8"
    & skf18("5","2","3","6","9","3","1") = "8"
    & skf18("5","2","3","6","9","4","1") = "8"
    & skf18("5","2","3","6","9","5","1") = "8"
    & skf18("5","2","3","6","9","6","1") = "8"
    & skf18("5","2","3","6","9","7","1") = "8"
    & skf18("5","2","3","6","9","8","1") = "8"
    & skf18("5","2","3","6","9","9","1") = "8"
    & skf18("5","2","3","6","9","10","1") = "9"
    & skf18("5","2","3","6","10","1","1") = "9"
    & skf18("5","2","3","6","10","2","1") = "9"
    & skf18("5","2","3","6","10","3","1") = "9"
    & skf18("5","2","3","6","10","4","1") = "9"
    & skf18("5","2","3","6","10","5","1") = "9"
    & skf18("5","2","3","6","10","6","1") = "9"
    & skf18("5","2","3","6","10","7","1") = "9"
    & skf18("5","2","3","6","10","8","1") = "9"
    & skf18("5","2","3","6","10","9","1") = "9"
    & skf18("5","2","3","6","10","10","1") = "9"
    & skf18("5","2","3","7","1","1","1") = "6"
    & skf18("5","2","3","7","1","2","1") = "6"
    & skf18("5","2","3","7","1","3","1") = "6"
    & skf18("5","2","3","7","1","4","1") = "6"
    & skf18("5","2","3","7","1","5","1") = "6"
    & skf18("5","2","3","7","1","6","1") = "6"
    & skf18("5","2","3","7","1","7","1") = "6"
    & skf18("5","2","3","7","1","8","1") = "7"
    & skf18("5","2","3","7","1","9","1") = "8"
    & skf18("5","2","3","7","1","10","1") = "9"
    & skf18("5","2","3","7","2","1","1") = "6"
    & skf18("5","2","3","7","2","2","1") = "6"
    & skf18("5","2","3","7","2","3","1") = "6"
    & skf18("5","2","3","7","2","4","1") = "6"
    & skf18("5","2","3","7","2","5","1") = "6"
    & skf18("5","2","3","7","2","6","1") = "6"
    & skf18("5","2","3","7","2","7","1") = "6"
    & skf18("5","2","3","7","2","8","1") = "7"
    & skf18("5","2","3","7","2","9","1") = "8"
    & skf18("5","2","3","7","2","10","1") = "9"
    & skf18("5","2","3","7","3","1","1") = "6"
    & skf18("5","2","3","7","3","2","1") = "6"
    & skf18("5","2","3","7","3","3","1") = "6"
    & skf18("5","2","3","7","3","4","1") = "6"
    & skf18("5","2","3","7","3","5","1") = "6"
    & skf18("5","2","3","7","3","6","1") = "6"
    & skf18("5","2","3","7","3","7","1") = "6"
    & skf18("5","2","3","7","3","8","1") = "7"
    & skf18("5","2","3","7","3","9","1") = "8"
    & skf18("5","2","3","7","3","10","1") = "9"
    & skf18("5","2","3","7","4","1","1") = "6"
    & skf18("5","2","3","7","4","2","1") = "6"
    & skf18("5","2","3","7","4","3","1") = "6"
    & skf18("5","2","3","7","4","4","1") = "6"
    & skf18("5","2","3","7","4","5","1") = "6"
    & skf18("5","2","3","7","4","6","1") = "6"
    & skf18("5","2","3","7","4","7","1") = "6"
    & skf18("5","2","3","7","4","8","1") = "7"
    & skf18("5","2","3","7","4","9","1") = "8"
    & skf18("5","2","3","7","4","10","1") = "9"
    & skf18("5","2","3","7","5","1","1") = "6"
    & skf18("5","2","3","7","5","2","1") = "6"
    & skf18("5","2","3","7","5","3","1") = "6"
    & skf18("5","2","3","7","5","4","1") = "6"
    & skf18("5","2","3","7","5","5","1") = "6"
    & skf18("5","2","3","7","5","6","1") = "6"
    & skf18("5","2","3","7","5","7","1") = "6"
    & skf18("5","2","3","7","5","8","1") = "7"
    & skf18("5","2","3","7","5","9","1") = "8"
    & skf18("5","2","3","7","5","10","1") = "9"
    & skf18("5","2","3","7","6","1","1") = "6"
    & skf18("5","2","3","7","6","2","1") = "6"
    & skf18("5","2","3","7","6","3","1") = "6"
    & skf18("5","2","3","7","6","4","1") = "6"
    & skf18("5","2","3","7","6","5","1") = "6"
    & skf18("5","2","3","7","6","6","1") = "6"
    & skf18("5","2","3","7","6","7","1") = "6"
    & skf18("5","2","3","7","6","8","1") = "7"
    & skf18("5","2","3","7","6","9","1") = "8"
    & skf18("5","2","3","7","6","10","1") = "9"
    & skf18("5","2","3","7","7","1","1") = "6"
    & skf18("5","2","3","7","7","2","1") = "6"
    & skf18("5","2","3","7","7","3","1") = "6"
    & skf18("5","2","3","7","7","4","1") = "6"
    & skf18("5","2","3","7","7","5","1") = "6"
    & skf18("5","2","3","7","7","6","1") = "6"
    & skf18("5","2","3","7","7","7","1") = "6"
    & skf18("5","2","3","7","7","8","1") = "7"
    & skf18("5","2","3","7","7","9","1") = "8"
    & skf18("5","2","3","7","7","10","1") = "9"
    & skf18("5","2","3","7","8","1","1") = "7"
    & skf18("5","2","3","7","8","2","1") = "7"
    & skf18("5","2","3","7","8","3","1") = "7"
    & skf18("5","2","3","7","8","4","1") = "7"
    & skf18("5","2","3","7","8","5","1") = "7"
    & skf18("5","2","3","7","8","6","1") = "7"
    & skf18("5","2","3","7","8","7","1") = "7"
    & skf18("5","2","3","7","8","8","1") = "7"
    & skf18("5","2","3","7","8","9","1") = "8"
    & skf18("5","2","3","7","8","10","1") = "9"
    & skf18("5","2","3","7","9","1","1") = "8"
    & skf18("5","2","3","7","9","2","1") = "8"
    & skf18("5","2","3","7","9","3","1") = "8"
    & skf18("5","2","3","7","9","4","1") = "8"
    & skf18("5","2","3","7","9","5","1") = "8"
    & skf18("5","2","3","7","9","6","1") = "8"
    & skf18("5","2","3","7","9","7","1") = "8"
    & skf18("5","2","3","7","9","8","1") = "8"
    & skf18("5","2","3","7","9","9","1") = "8"
    & skf18("5","2","3","7","9","10","1") = "9"
    & skf18("5","2","3","7","10","1","1") = "9"
    & skf18("5","2","3","7","10","2","1") = "9"
    & skf18("5","2","3","7","10","3","1") = "9"
    & skf18("5","2","3","7","10","4","1") = "9"
    & skf18("5","2","3","7","10","5","1") = "9"
    & skf18("5","2","3","7","10","6","1") = "9"
    & skf18("5","2","3","7","10","7","1") = "9"
    & skf18("5","2","3","7","10","8","1") = "9"
    & skf18("5","2","3","7","10","9","1") = "9"
    & skf18("5","2","3","7","10","10","1") = "9"
    & skf18("5","2","3","8","1","1","1") = "7"
    & skf18("5","2","3","8","1","2","1") = "7"
    & skf18("5","2","3","8","1","3","1") = "7"
    & skf18("5","2","3","8","1","4","1") = "7"
    & skf18("5","2","3","8","1","5","1") = "7"
    & skf18("5","2","3","8","1","6","1") = "7"
    & skf18("5","2","3","8","1","7","1") = "7"
    & skf18("5","2","3","8","1","8","1") = "7"
    & skf18("5","2","3","8","1","9","1") = "8"
    & skf18("5","2","3","8","1","10","1") = "9"
    & skf18("5","2","3","8","2","1","1") = "7"
    & skf18("5","2","3","8","2","2","1") = "7"
    & skf18("5","2","3","8","2","3","1") = "7"
    & skf18("5","2","3","8","2","4","1") = "7"
    & skf18("5","2","3","8","2","5","1") = "7"
    & skf18("5","2","3","8","2","6","1") = "7"
    & skf18("5","2","3","8","2","7","1") = "7"
    & skf18("5","2","3","8","2","8","1") = "7"
    & skf18("5","2","3","8","2","9","1") = "8"
    & skf18("5","2","3","8","2","10","1") = "9"
    & skf18("5","2","3","8","3","1","1") = "7"
    & skf18("5","2","3","8","3","2","1") = "7"
    & skf18("5","2","3","8","3","3","1") = "7"
    & skf18("5","2","3","8","3","4","1") = "7"
    & skf18("5","2","3","8","3","5","1") = "7"
    & skf18("5","2","3","8","3","6","1") = "7"
    & skf18("5","2","3","8","3","7","1") = "7"
    & skf18("5","2","3","8","3","8","1") = "7"
    & skf18("5","2","3","8","3","9","1") = "8"
    & skf18("5","2","3","8","3","10","1") = "9"
    & skf18("5","2","3","8","4","1","1") = "7"
    & skf18("5","2","3","8","4","2","1") = "7"
    & skf18("5","2","3","8","4","3","1") = "7"
    & skf18("5","2","3","8","4","4","1") = "7"
    & skf18("5","2","3","8","4","5","1") = "7"
    & skf18("5","2","3","8","4","6","1") = "7"
    & skf18("5","2","3","8","4","7","1") = "7"
    & skf18("5","2","3","8","4","8","1") = "7"
    & skf18("5","2","3","8","4","9","1") = "8"
    & skf18("5","2","3","8","4","10","1") = "9"
    & skf18("5","2","3","8","5","1","1") = "7"
    & skf18("5","2","3","8","5","2","1") = "7"
    & skf18("5","2","3","8","5","3","1") = "7"
    & skf18("5","2","3","8","5","4","1") = "7"
    & skf18("5","2","3","8","5","5","1") = "7"
    & skf18("5","2","3","8","5","6","1") = "7"
    & skf18("5","2","3","8","5","7","1") = "7"
    & skf18("5","2","3","8","5","8","1") = "7"
    & skf18("5","2","3","8","5","9","1") = "8"
    & skf18("5","2","3","8","5","10","1") = "9"
    & skf18("5","2","3","8","6","1","1") = "7"
    & skf18("5","2","3","8","6","2","1") = "7"
    & skf18("5","2","3","8","6","3","1") = "7"
    & skf18("5","2","3","8","6","4","1") = "7"
    & skf18("5","2","3","8","6","5","1") = "7"
    & skf18("5","2","3","8","6","6","1") = "7"
    & skf18("5","2","3","8","6","7","1") = "7"
    & skf18("5","2","3","8","6","8","1") = "7"
    & skf18("5","2","3","8","6","9","1") = "8"
    & skf18("5","2","3","8","6","10","1") = "9"
    & skf18("5","2","3","8","7","1","1") = "7"
    & skf18("5","2","3","8","7","2","1") = "7"
    & skf18("5","2","3","8","7","3","1") = "7"
    & skf18("5","2","3","8","7","4","1") = "7"
    & skf18("5","2","3","8","7","5","1") = "7"
    & skf18("5","2","3","8","7","6","1") = "7"
    & skf18("5","2","3","8","7","7","1") = "7"
    & skf18("5","2","3","8","7","8","1") = "7"
    & skf18("5","2","3","8","7","9","1") = "8"
    & skf18("5","2","3","8","7","10","1") = "9"
    & skf18("5","2","3","8","8","1","1") = "7"
    & skf18("5","2","3","8","8","2","1") = "7"
    & skf18("5","2","3","8","8","3","1") = "7"
    & skf18("5","2","3","8","8","4","1") = "7"
    & skf18("5","2","3","8","8","5","1") = "7"
    & skf18("5","2","3","8","8","6","1") = "7"
    & skf18("5","2","3","8","8","7","1") = "7"
    & skf18("5","2","3","8","8","8","1") = "7"
    & skf18("5","2","3","8","8","9","1") = "8"
    & skf18("5","2","3","8","8","10","1") = "9"
    & skf18("5","2","3","8","9","1","1") = "8"
    & skf18("5","2","3","8","9","2","1") = "8"
    & skf18("5","2","3","8","9","3","1") = "8"
    & skf18("5","2","3","8","9","4","1") = "8"
    & skf18("5","2","3","8","9","5","1") = "8"
    & skf18("5","2","3","8","9","6","1") = "8"
    & skf18("5","2","3","8","9","7","1") = "8"
    & skf18("5","2","3","8","9","8","1") = "8"
    & skf18("5","2","3","8","9","9","1") = "8"
    & skf18("5","2","3","8","9","10","1") = "9"
    & skf18("5","2","3","8","10","1","1") = "9"
    & skf18("5","2","3","8","10","2","1") = "9"
    & skf18("5","2","3","8","10","3","1") = "9"
    & skf18("5","2","3","8","10","4","1") = "9"
    & skf18("5","2","3","8","10","5","1") = "9"
    & skf18("5","2","3","8","10","6","1") = "9"
    & skf18("5","2","3","8","10","7","1") = "9"
    & skf18("5","2","3","8","10","8","1") = "9"
    & skf18("5","2","3","8","10","9","1") = "9"
    & skf18("5","2","3","8","10","10","1") = "9"
    & skf18("5","2","3","9","1","1","1") = "8"
    & skf18("5","2","3","9","1","2","1") = "8"
    & skf18("5","2","3","9","1","3","1") = "8"
    & skf18("5","2","3","9","1","4","1") = "8"
    & skf18("5","2","3","9","1","5","1") = "8"
    & skf18("5","2","3","9","1","6","1") = "8"
    & skf18("5","2","3","9","1","7","1") = "8"
    & skf18("5","2","3","9","1","8","1") = "8"
    & skf18("5","2","3","9","1","9","1") = "8"
    & skf18("5","2","3","9","1","10","1") = "9"
    & skf18("5","2","3","9","2","1","1") = "8"
    & skf18("5","2","3","9","2","2","1") = "8"
    & skf18("5","2","3","9","2","3","1") = "8"
    & skf18("5","2","3","9","2","4","1") = "8"
    & skf18("5","2","3","9","2","5","1") = "8"
    & skf18("5","2","3","9","2","6","1") = "8"
    & skf18("5","2","3","9","2","7","1") = "8"
    & skf18("5","2","3","9","2","8","1") = "8"
    & skf18("5","2","3","9","2","9","1") = "8"
    & skf18("5","2","3","9","2","10","1") = "9"
    & skf18("5","2","3","9","3","1","1") = "8"
    & skf18("5","2","3","9","3","2","1") = "8"
    & skf18("5","2","3","9","3","3","1") = "8"
    & skf18("5","2","3","9","3","4","1") = "8"
    & skf18("5","2","3","9","3","5","1") = "8"
    & skf18("5","2","3","9","3","6","1") = "8"
    & skf18("5","2","3","9","3","7","1") = "8"
    & skf18("5","2","3","9","3","8","1") = "8"
    & skf18("5","2","3","9","3","9","1") = "8"
    & skf18("5","2","3","9","3","10","1") = "9"
    & skf18("5","2","3","9","4","1","1") = "8"
    & skf18("5","2","3","9","4","2","1") = "8"
    & skf18("5","2","3","9","4","3","1") = "8"
    & skf18("5","2","3","9","4","4","1") = "8"
    & skf18("5","2","3","9","4","5","1") = "8"
    & skf18("5","2","3","9","4","6","1") = "8"
    & skf18("5","2","3","9","4","7","1") = "8"
    & skf18("5","2","3","9","4","8","1") = "8"
    & skf18("5","2","3","9","4","9","1") = "8"
    & skf18("5","2","3","9","4","10","1") = "9"
    & skf18("5","2","3","9","5","1","1") = "8"
    & skf18("5","2","3","9","5","2","1") = "8"
    & skf18("5","2","3","9","5","3","1") = "8"
    & skf18("5","2","3","9","5","4","1") = "8"
    & skf18("5","2","3","9","5","5","1") = "8"
    & skf18("5","2","3","9","5","6","1") = "8"
    & skf18("5","2","3","9","5","7","1") = "8"
    & skf18("5","2","3","9","5","8","1") = "8"
    & skf18("5","2","3","9","5","9","1") = "8"
    & skf18("5","2","3","9","5","10","1") = "9"
    & skf18("5","2","3","9","6","1","1") = "8"
    & skf18("5","2","3","9","6","2","1") = "8"
    & skf18("5","2","3","9","6","3","1") = "8"
    & skf18("5","2","3","9","6","4","1") = "8"
    & skf18("5","2","3","9","6","5","1") = "8"
    & skf18("5","2","3","9","6","6","1") = "8"
    & skf18("5","2","3","9","6","7","1") = "8"
    & skf18("5","2","3","9","6","8","1") = "8"
    & skf18("5","2","3","9","6","9","1") = "8"
    & skf18("5","2","3","9","6","10","1") = "9"
    & skf18("5","2","3","9","7","1","1") = "8"
    & skf18("5","2","3","9","7","2","1") = "8"
    & skf18("5","2","3","9","7","3","1") = "8"
    & skf18("5","2","3","9","7","4","1") = "8"
    & skf18("5","2","3","9","7","5","1") = "8"
    & skf18("5","2","3","9","7","6","1") = "8"
    & skf18("5","2","3","9","7","7","1") = "8"
    & skf18("5","2","3","9","7","8","1") = "8"
    & skf18("5","2","3","9","7","9","1") = "8"
    & skf18("5","2","3","9","7","10","1") = "9"
    & skf18("5","2","3","9","8","1","1") = "8"
    & skf18("5","2","3","9","8","2","1") = "8"
    & skf18("5","2","3","9","8","3","1") = "8"
    & skf18("5","2","3","9","8","4","1") = "8"
    & skf18("5","2","3","9","8","5","1") = "8"
    & skf18("5","2","3","9","8","6","1") = "8"
    & skf18("5","2","3","9","8","7","1") = "8"
    & skf18("5","2","3","9","8","8","1") = "8"
    & skf18("5","2","3","9","8","9","1") = "8"
    & skf18("5","2","3","9","8","10","1") = "9"
    & skf18("5","2","3","9","9","1","1") = "8"
    & skf18("5","2","3","9","9","2","1") = "8"
    & skf18("5","2","3","9","9","3","1") = "8"
    & skf18("5","2","3","9","9","4","1") = "8"
    & skf18("5","2","3","9","9","5","1") = "8"
    & skf18("5","2","3","9","9","6","1") = "8"
    & skf18("5","2","3","9","9","7","1") = "8"
    & skf18("5","2","3","9","9","8","1") = "8"
    & skf18("5","2","3","9","9","9","1") = "8"
    & skf18("5","2","3","9","9","10","1") = "9"
    & skf18("5","2","3","9","10","1","1") = "9"
    & skf18("5","2","3","9","10","2","1") = "9"
    & skf18("5","2","3","9","10","3","1") = "9"
    & skf18("5","2","3","9","10","4","1") = "9"
    & skf18("5","2","3","9","10","5","1") = "9"
    & skf18("5","2","3","9","10","6","1") = "9"
    & skf18("5","2","3","9","10","7","1") = "9"
    & skf18("5","2","3","9","10","8","1") = "9"
    & skf18("5","2","3","9","10","9","1") = "9"
    & skf18("5","2","3","9","10","10","1") = "9"
    & skf18("5","2","3","10","1","1","1") = "9"
    & skf18("5","2","3","10","1","2","1") = "9"
    & skf18("5","2","3","10","1","3","1") = "9"
    & skf18("5","2","3","10","1","4","1") = "9"
    & skf18("5","2","3","10","1","5","1") = "9"
    & skf18("5","2","3","10","1","6","1") = "9"
    & skf18("5","2","3","10","1","7","1") = "9"
    & skf18("5","2","3","10","1","8","1") = "9"
    & skf18("5","2","3","10","1","9","1") = "9"
    & skf18("5","2","3","10","1","10","1") = "9"
    & skf18("5","2","3","10","2","1","1") = "9"
    & skf18("5","2","3","10","2","2","1") = "9"
    & skf18("5","2","3","10","2","3","1") = "9"
    & skf18("5","2","3","10","2","4","1") = "9"
    & skf18("5","2","3","10","2","5","1") = "9"
    & skf18("5","2","3","10","2","6","1") = "9"
    & skf18("5","2","3","10","2","7","1") = "9"
    & skf18("5","2","3","10","2","8","1") = "9"
    & skf18("5","2","3","10","2","9","1") = "9"
    & skf18("5","2","3","10","2","10","1") = "9"
    & skf18("5","2","3","10","3","1","1") = "9"
    & skf18("5","2","3","10","3","2","1") = "9"
    & skf18("5","2","3","10","3","3","1") = "9"
    & skf18("5","2","3","10","3","4","1") = "9"
    & skf18("5","2","3","10","3","5","1") = "9"
    & skf18("5","2","3","10","3","6","1") = "9"
    & skf18("5","2","3","10","3","7","1") = "9"
    & skf18("5","2","3","10","3","8","1") = "9"
    & skf18("5","2","3","10","3","9","1") = "9"
    & skf18("5","2","3","10","3","10","1") = "9"
    & skf18("5","2","3","10","4","1","1") = "9"
    & skf18("5","2","3","10","4","2","1") = "9"
    & skf18("5","2","3","10","4","3","1") = "9"
    & skf18("5","2","3","10","4","4","1") = "9"
    & skf18("5","2","3","10","4","5","1") = "9"
    & skf18("5","2","3","10","4","6","1") = "9"
    & skf18("5","2","3","10","4","7","1") = "9"
    & skf18("5","2","3","10","4","8","1") = "9"
    & skf18("5","2","3","10","4","9","1") = "9"
    & skf18("5","2","3","10","4","10","1") = "9"
    & skf18("5","2","3","10","5","1","1") = "9"
    & skf18("5","2","3","10","5","2","1") = "9"
    & skf18("5","2","3","10","5","3","1") = "9"
    & skf18("5","2","3","10","5","4","1") = "9"
    & skf18("5","2","3","10","5","5","1") = "9"
    & skf18("5","2","3","10","5","6","1") = "9"
    & skf18("5","2","3","10","5","7","1") = "9"
    & skf18("5","2","3","10","5","8","1") = "9"
    & skf18("5","2","3","10","5","9","1") = "9"
    & skf18("5","2","3","10","5","10","1") = "9"
    & skf18("5","2","3","10","6","1","1") = "9"
    & skf18("5","2","3","10","6","2","1") = "9"
    & skf18("5","2","3","10","6","3","1") = "9"
    & skf18("5","2","3","10","6","4","1") = "9"
    & skf18("5","2","3","10","6","5","1") = "9"
    & skf18("5","2","3","10","6","6","1") = "9"
    & skf18("5","2","3","10","6","7","1") = "9"
    & skf18("5","2","3","10","6","8","1") = "9"
    & skf18("5","2","3","10","6","9","1") = "9"
    & skf18("5","2","3","10","6","10","1") = "9"
    & skf18("5","2","3","10","7","1","1") = "9"
    & skf18("5","2","3","10","7","2","1") = "9"
    & skf18("5","2","3","10","7","3","1") = "9"
    & skf18("5","2","3","10","7","4","1") = "9"
    & skf18("5","2","3","10","7","5","1") = "9"
    & skf18("5","2","3","10","7","6","1") = "9"
    & skf18("5","2","3","10","7","7","1") = "9"
    & skf18("5","2","3","10","7","8","1") = "9"
    & skf18("5","2","3","10","7","9","1") = "9"
    & skf18("5","2","3","10","7","10","1") = "9"
    & skf18("5","2","3","10","8","1","1") = "9"
    & skf18("5","2","3","10","8","2","1") = "9"
    & skf18("5","2","3","10","8","3","1") = "9"
    & skf18("5","2","3","10","8","4","1") = "9"
    & skf18("5","2","3","10","8","5","1") = "9"
    & skf18("5","2","3","10","8","6","1") = "9"
    & skf18("5","2","3","10","8","7","1") = "9"
    & skf18("5","2","3","10","8","8","1") = "9"
    & skf18("5","2","3","10","8","9","1") = "9"
    & skf18("5","2","3","10","8","10","1") = "9"
    & skf18("5","2","3","10","9","1","1") = "9"
    & skf18("5","2","3","10","9","2","1") = "9"
    & skf18("5","2","3","10","9","3","1") = "9"
    & skf18("5","2","3","10","9","4","1") = "9"
    & skf18("5","2","3","10","9","5","1") = "9"
    & skf18("5","2","3","10","9","6","1") = "9"
    & skf18("5","2","3","10","9","7","1") = "9"
    & skf18("5","2","3","10","9","8","1") = "9"
    & skf18("5","2","3","10","9","9","1") = "9"
    & skf18("5","2","3","10","9","10","1") = "9"
    & skf18("5","2","3","10","10","1","1") = "9"
    & skf18("5","2","3","10","10","2","1") = "9"
    & skf18("5","2","3","10","10","3","1") = "9"
    & skf18("5","2","3","10","10","4","1") = "9"
    & skf18("5","2","3","10","10","5","1") = "9"
    & skf18("5","2","3","10","10","6","1") = "9"
    & skf18("5","2","3","10","10","7","1") = "9"
    & skf18("5","2","3","10","10","8","1") = "9"
    & skf18("5","2","3","10","10","9","1") = "9"
    & skf18("5","2","3","10","10","10","1") = "9"
    & skf18("5","2","4","1","1","1","1") = "4"
    & skf18("5","2","4","1","1","2","1") = "4"
    & skf18("5","2","4","1","1","3","1") = "4"
    & skf18("5","2","4","1","1","4","1") = "4"
    & skf18("5","2","4","1","1","5","1") = "4"
    & skf18("5","2","4","1","1","6","1") = "5"
    & skf18("5","2","4","1","1","7","1") = "6"
    & skf18("5","2","4","1","1","8","1") = "7"
    & skf18("5","2","4","1","1","9","1") = "8"
    & skf18("5","2","4","1","1","10","1") = "9"
    & skf18("5","2","4","1","2","1","1") = "4"
    & skf18("5","2","4","1","2","2","1") = "4"
    & skf18("5","2","4","1","2","3","1") = "4"
    & skf18("5","2","4","1","2","4","1") = "4"
    & skf18("5","2","4","1","2","5","1") = "4"
    & skf18("5","2","4","1","2","6","1") = "5"
    & skf18("5","2","4","1","2","7","1") = "6"
    & skf18("5","2","4","1","2","8","1") = "7"
    & skf18("5","2","4","1","2","9","1") = "8"
    & skf18("5","2","4","1","2","10","1") = "9"
    & skf18("5","2","4","1","3","1","1") = "4"
    & skf18("5","2","4","1","3","2","1") = "4"
    & skf18("5","2","4","1","3","3","1") = "4"
    & skf18("5","2","4","1","3","4","1") = "4"
    & skf18("5","2","4","1","3","5","1") = "4"
    & skf18("5","2","4","1","3","6","1") = "5"
    & skf18("5","2","4","1","3","7","1") = "6"
    & skf18("5","2","4","1","3","8","1") = "7"
    & skf18("5","2","4","1","3","9","1") = "8"
    & skf18("5","2","4","1","3","10","1") = "9"
    & skf18("5","2","4","1","4","1","1") = "4"
    & skf18("5","2","4","1","4","2","1") = "4"
    & skf18("5","2","4","1","4","3","1") = "4"
    & skf18("5","2","4","1","4","4","1") = "4"
    & skf18("5","2","4","1","4","5","1") = "4"
    & skf18("5","2","4","1","4","6","1") = "5"
    & skf18("5","2","4","1","4","7","1") = "6"
    & skf18("5","2","4","1","4","8","1") = "7"
    & skf18("5","2","4","1","4","9","1") = "8"
    & skf18("5","2","4","1","4","10","1") = "9"
    & skf18("5","2","4","1","5","1","1") = "4"
    & skf18("5","2","4","1","5","2","1") = "4"
    & skf18("5","2","4","1","5","3","1") = "4"
    & skf18("5","2","4","1","5","4","1") = "4"
    & skf18("5","2","4","1","5","5","1") = "4"
    & skf18("5","2","4","1","5","6","1") = "5"
    & skf18("5","2","4","1","5","7","1") = "6"
    & skf18("5","2","4","1","5","8","1") = "7"
    & skf18("5","2","4","1","5","9","1") = "8"
    & skf18("5","2","4","1","5","10","1") = "9"
    & skf18("5","2","4","1","6","1","1") = "5"
    & skf18("5","2","4","1","6","2","1") = "5"
    & skf18("5","2","4","1","6","3","1") = "5"
    & skf18("5","2","4","1","6","4","1") = "5"
    & skf18("5","2","4","1","6","5","1") = "5"
    & skf18("5","2","4","1","6","6","1") = "5"
    & skf18("5","2","4","1","6","7","1") = "6"
    & skf18("5","2","4","1","6","8","1") = "7"
    & skf18("5","2","4","1","6","9","1") = "8"
    & skf18("5","2","4","1","6","10","1") = "9"
    & skf18("5","2","4","1","7","1","1") = "6"
    & skf18("5","2","4","1","7","2","1") = "6"
    & skf18("5","2","4","1","7","3","1") = "6"
    & skf18("5","2","4","1","7","4","1") = "6"
    & skf18("5","2","4","1","7","5","1") = "6"
    & skf18("5","2","4","1","7","6","1") = "6"
    & skf18("5","2","4","1","7","7","1") = "6"
    & skf18("5","2","4","1","7","8","1") = "7"
    & skf18("5","2","4","1","7","9","1") = "8"
    & skf18("5","2","4","1","7","10","1") = "9"
    & skf18("5","2","4","1","8","1","1") = "7"
    & skf18("5","2","4","1","8","2","1") = "7"
    & skf18("5","2","4","1","8","3","1") = "7"
    & skf18("5","2","4","1","8","4","1") = "7"
    & skf18("5","2","4","1","8","5","1") = "7"
    & skf18("5","2","4","1","8","6","1") = "7"
    & skf18("5","2","4","1","8","7","1") = "7"
    & skf18("5","2","4","1","8","8","1") = "7"
    & skf18("5","2","4","1","8","9","1") = "8"
    & skf18("5","2","4","1","8","10","1") = "9"
    & skf18("5","2","4","1","9","1","1") = "8"
    & skf18("5","2","4","1","9","2","1") = "8"
    & skf18("5","2","4","1","9","3","1") = "8"
    & skf18("5","2","4","1","9","4","1") = "8"
    & skf18("5","2","4","1","9","5","1") = "8"
    & skf18("5","2","4","1","9","6","1") = "8"
    & skf18("5","2","4","1","9","7","1") = "8"
    & skf18("5","2","4","1","9","8","1") = "8"
    & skf18("5","2","4","1","9","9","1") = "8"
    & skf18("5","2","4","1","9","10","1") = "9"
    & skf18("5","2","4","1","10","1","1") = "9"
    & skf18("5","2","4","1","10","2","1") = "9"
    & skf18("5","2","4","1","10","3","1") = "9"
    & skf18("5","2","4","1","10","4","1") = "9"
    & skf18("5","2","4","1","10","5","1") = "9"
    & skf18("5","2","4","1","10","6","1") = "9"
    & skf18("5","2","4","1","10","7","1") = "9"
    & skf18("5","2","4","1","10","8","1") = "9"
    & skf18("5","2","4","1","10","9","1") = "9"
    & skf18("5","2","4","1","10","10","1") = "9"
    & skf18("5","2","4","2","1","1","1") = "4"
    & skf18("5","2","4","2","1","2","1") = "4"
    & skf18("5","2","4","2","1","3","1") = "4"
    & skf18("5","2","4","2","1","4","1") = "4"
    & skf18("5","2","4","2","1","5","1") = "4"
    & skf18("5","2","4","2","1","6","1") = "5"
    & skf18("5","2","4","2","1","7","1") = "6"
    & skf18("5","2","4","2","1","8","1") = "7"
    & skf18("5","2","4","2","1","9","1") = "8"
    & skf18("5","2","4","2","1","10","1") = "9"
    & skf18("5","2","4","2","2","1","1") = "4"
    & skf18("5","2","4","2","2","2","1") = "4"
    & skf18("5","2","4","2","2","3","1") = "4"
    & skf18("5","2","4","2","2","4","1") = "4"
    & skf18("5","2","4","2","2","5","1") = "4"
    & skf18("5","2","4","2","2","6","1") = "5"
    & skf18("5","2","4","2","2","7","1") = "6"
    & skf18("5","2","4","2","2","8","1") = "7"
    & skf18("5","2","4","2","2","9","1") = "8"
    & skf18("5","2","4","2","2","10","1") = "9"
    & skf18("5","2","4","2","3","1","1") = "4"
    & skf18("5","2","4","2","3","2","1") = "4"
    & skf18("5","2","4","2","3","3","1") = "4"
    & skf18("5","2","4","2","3","4","1") = "4"
    & skf18("5","2","4","2","3","5","1") = "4"
    & skf18("5","2","4","2","3","6","1") = "5"
    & skf18("5","2","4","2","3","7","1") = "6"
    & skf18("5","2","4","2","3","8","1") = "7"
    & skf18("5","2","4","2","3","9","1") = "8"
    & skf18("5","2","4","2","3","10","1") = "9"
    & skf18("5","2","4","2","4","1","1") = "4"
    & skf18("5","2","4","2","4","2","1") = "4"
    & skf18("5","2","4","2","4","3","1") = "4"
    & skf18("5","2","4","2","4","4","1") = "4"
    & skf18("5","2","4","2","4","5","1") = "4"
    & skf18("5","2","4","2","4","6","1") = "5"
    & skf18("5","2","4","2","4","7","1") = "6"
    & skf18("5","2","4","2","4","8","1") = "7"
    & skf18("5","2","4","2","4","9","1") = "8"
    & skf18("5","2","4","2","4","10","1") = "9"
    & skf18("5","2","4","2","5","1","1") = "4"
    & skf18("5","2","4","2","5","2","1") = "4"
    & skf18("5","2","4","2","5","3","1") = "4"
    & skf18("5","2","4","2","5","4","1") = "4"
    & skf18("5","2","4","2","5","5","1") = "4"
    & skf18("5","2","4","2","5","6","1") = "5"
    & skf18("5","2","4","2","5","7","1") = "6"
    & skf18("5","2","4","2","5","8","1") = "7"
    & skf18("5","2","4","2","5","9","1") = "8"
    & skf18("5","2","4","2","5","10","1") = "9"
    & skf18("5","2","4","2","6","1","1") = "5"
    & skf18("5","2","4","2","6","2","1") = "5"
    & skf18("5","2","4","2","6","3","1") = "5"
    & skf18("5","2","4","2","6","4","1") = "5"
    & skf18("5","2","4","2","6","5","1") = "5"
    & skf18("5","2","4","2","6","6","1") = "5"
    & skf18("5","2","4","2","6","7","1") = "6"
    & skf18("5","2","4","2","6","8","1") = "7"
    & skf18("5","2","4","2","6","9","1") = "8"
    & skf18("5","2","4","2","6","10","1") = "9"
    & skf18("5","2","4","2","7","1","1") = "6"
    & skf18("5","2","4","2","7","2","1") = "6"
    & skf18("5","2","4","2","7","3","1") = "6"
    & skf18("5","2","4","2","7","4","1") = "6"
    & skf18("5","2","4","2","7","5","1") = "6"
    & skf18("5","2","4","2","7","6","1") = "6"
    & skf18("5","2","4","2","7","7","1") = "6"
    & skf18("5","2","4","2","7","8","1") = "7"
    & skf18("5","2","4","2","7","9","1") = "8"
    & skf18("5","2","4","2","7","10","1") = "9"
    & skf18("5","2","4","2","8","1","1") = "7"
    & skf18("5","2","4","2","8","2","1") = "7"
    & skf18("5","2","4","2","8","3","1") = "7"
    & skf18("5","2","4","2","8","4","1") = "7"
    & skf18("5","2","4","2","8","5","1") = "7"
    & skf18("5","2","4","2","8","6","1") = "7"
    & skf18("5","2","4","2","8","7","1") = "7"
    & skf18("5","2","4","2","8","8","1") = "7"
    & skf18("5","2","4","2","8","9","1") = "8"
    & skf18("5","2","4","2","8","10","1") = "9"
    & skf18("5","2","4","2","9","1","1") = "8"
    & skf18("5","2","4","2","9","2","1") = "8"
    & skf18("5","2","4","2","9","3","1") = "8"
    & skf18("5","2","4","2","9","4","1") = "8"
    & skf18("5","2","4","2","9","5","1") = "8"
    & skf18("5","2","4","2","9","6","1") = "8"
    & skf18("5","2","4","2","9","7","1") = "8"
    & skf18("5","2","4","2","9","8","1") = "8"
    & skf18("5","2","4","2","9","9","1") = "8"
    & skf18("5","2","4","2","9","10","1") = "9"
    & skf18("5","2","4","2","10","1","1") = "9"
    & skf18("5","2","4","2","10","2","1") = "9"
    & skf18("5","2","4","2","10","3","1") = "9"
    & skf18("5","2","4","2","10","4","1") = "9"
    & skf18("5","2","4","2","10","5","1") = "9"
    & skf18("5","2","4","2","10","6","1") = "9"
    & skf18("5","2","4","2","10","7","1") = "9"
    & skf18("5","2","4","2","10","8","1") = "9"
    & skf18("5","2","4","2","10","9","1") = "9"
    & skf18("5","2","4","2","10","10","1") = "9"
    & skf18("5","2","4","3","1","1","1") = "4"
    & skf18("5","2","4","3","1","2","1") = "4"
    & skf18("5","2","4","3","1","3","1") = "4"
    & skf18("5","2","4","3","1","4","1") = "4"
    & skf18("5","2","4","3","1","5","1") = "4"
    & skf18("5","2","4","3","1","6","1") = "5"
    & skf18("5","2","4","3","1","7","1") = "6"
    & skf18("5","2","4","3","1","8","1") = "7"
    & skf18("5","2","4","3","1","9","1") = "8"
    & skf18("5","2","4","3","1","10","1") = "9"
    & skf18("5","2","4","3","2","1","1") = "4"
    & skf18("5","2","4","3","2","2","1") = "4"
    & skf18("5","2","4","3","2","3","1") = "4"
    & skf18("5","2","4","3","2","4","1") = "4"
    & skf18("5","2","4","3","2","5","1") = "4"
    & skf18("5","2","4","3","2","6","1") = "5"
    & skf18("5","2","4","3","2","7","1") = "6"
    & skf18("5","2","4","3","2","8","1") = "7"
    & skf18("5","2","4","3","2","9","1") = "8"
    & skf18("5","2","4","3","2","10","1") = "9"
    & skf18("5","2","4","3","3","1","1") = "4"
    & skf18("5","2","4","3","3","2","1") = "4"
    & skf18("5","2","4","3","3","3","1") = "4"
    & skf18("5","2","4","3","3","4","1") = "4"
    & skf18("5","2","4","3","3","5","1") = "4"
    & skf18("5","2","4","3","3","6","1") = "5"
    & skf18("5","2","4","3","3","7","1") = "6"
    & skf18("5","2","4","3","3","8","1") = "7"
    & skf18("5","2","4","3","3","9","1") = "8"
    & skf18("5","2","4","3","3","10","1") = "9"
    & skf18("5","2","4","3","4","1","1") = "4"
    & skf18("5","2","4","3","4","2","1") = "4"
    & skf18("5","2","4","3","4","3","1") = "4"
    & skf18("5","2","4","3","4","4","1") = "4"
    & skf18("5","2","4","3","4","5","1") = "4"
    & skf18("5","2","4","3","4","6","1") = "5"
    & skf18("5","2","4","3","4","7","1") = "6"
    & skf18("5","2","4","3","4","8","1") = "7"
    & skf18("5","2","4","3","4","9","1") = "8"
    & skf18("5","2","4","3","4","10","1") = "9"
    & skf18("5","2","4","3","5","1","1") = "4"
    & skf18("5","2","4","3","5","2","1") = "4"
    & skf18("5","2","4","3","5","3","1") = "4"
    & skf18("5","2","4","3","5","4","1") = "4"
    & skf18("5","2","4","3","5","5","1") = "4"
    & skf18("5","2","4","3","5","6","1") = "5"
    & skf18("5","2","4","3","5","7","1") = "6"
    & skf18("5","2","4","3","5","8","1") = "7"
    & skf18("5","2","4","3","5","9","1") = "8"
    & skf18("5","2","4","3","5","10","1") = "9"
    & skf18("5","2","4","3","6","1","1") = "5"
    & skf18("5","2","4","3","6","2","1") = "5"
    & skf18("5","2","4","3","6","3","1") = "5"
    & skf18("5","2","4","3","6","4","1") = "5"
    & skf18("5","2","4","3","6","5","1") = "5"
    & skf18("5","2","4","3","6","6","1") = "5"
    & skf18("5","2","4","3","6","7","1") = "6"
    & skf18("5","2","4","3","6","8","1") = "7"
    & skf18("5","2","4","3","6","9","1") = "8"
    & skf18("5","2","4","3","6","10","1") = "9"
    & skf18("5","2","4","3","7","1","1") = "6"
    & skf18("5","2","4","3","7","2","1") = "6"
    & skf18("5","2","4","3","7","3","1") = "6"
    & skf18("5","2","4","3","7","4","1") = "6"
    & skf18("5","2","4","3","7","5","1") = "6"
    & skf18("5","2","4","3","7","6","1") = "6"
    & skf18("5","2","4","3","7","7","1") = "6"
    & skf18("5","2","4","3","7","8","1") = "7"
    & skf18("5","2","4","3","7","9","1") = "8"
    & skf18("5","2","4","3","7","10","1") = "9"
    & skf18("5","2","4","3","8","1","1") = "7"
    & skf18("5","2","4","3","8","2","1") = "7"
    & skf18("5","2","4","3","8","3","1") = "7"
    & skf18("5","2","4","3","8","4","1") = "7"
    & skf18("5","2","4","3","8","5","1") = "7"
    & skf18("5","2","4","3","8","6","1") = "7"
    & skf18("5","2","4","3","8","7","1") = "7"
    & skf18("5","2","4","3","8","8","1") = "7"
    & skf18("5","2","4","3","8","9","1") = "8"
    & skf18("5","2","4","3","8","10","1") = "9"
    & skf18("5","2","4","3","9","1","1") = "8"
    & skf18("5","2","4","3","9","2","1") = "8"
    & skf18("5","2","4","3","9","3","1") = "8"
    & skf18("5","2","4","3","9","4","1") = "8"
    & skf18("5","2","4","3","9","5","1") = "8"
    & skf18("5","2","4","3","9","6","1") = "8"
    & skf18("5","2","4","3","9","7","1") = "8"
    & skf18("5","2","4","3","9","8","1") = "8"
    & skf18("5","2","4","3","9","9","1") = "8"
    & skf18("5","2","4","3","9","10","1") = "9"
    & skf18("5","2","4","3","10","1","1") = "9"
    & skf18("5","2","4","3","10","2","1") = "9"
    & skf18("5","2","4","3","10","3","1") = "9"
    & skf18("5","2","4","3","10","4","1") = "9"
    & skf18("5","2","4","3","10","5","1") = "9"
    & skf18("5","2","4","3","10","6","1") = "9"
    & skf18("5","2","4","3","10","7","1") = "9"
    & skf18("5","2","4","3","10","8","1") = "9"
    & skf18("5","2","4","3","10","9","1") = "9"
    & skf18("5","2","4","3","10","10","1") = "9"
    & skf18("5","2","4","4","1","1","1") = "4"
    & skf18("5","2","4","4","1","2","1") = "4"
    & skf18("5","2","4","4","1","3","1") = "4"
    & skf18("5","2","4","4","1","4","1") = "4"
    & skf18("5","2","4","4","1","5","1") = "4"
    & skf18("5","2","4","4","1","6","1") = "5"
    & skf18("5","2","4","4","1","7","1") = "6"
    & skf18("5","2","4","4","1","8","1") = "7"
    & skf18("5","2","4","4","1","9","1") = "8"
    & skf18("5","2","4","4","1","10","1") = "9"
    & skf18("5","2","4","4","2","1","1") = "4"
    & skf18("5","2","4","4","2","2","1") = "4"
    & skf18("5","2","4","4","2","3","1") = "4"
    & skf18("5","2","4","4","2","4","1") = "4"
    & skf18("5","2","4","4","2","5","1") = "4"
    & skf18("5","2","4","4","2","6","1") = "5"
    & skf18("5","2","4","4","2","7","1") = "6"
    & skf18("5","2","4","4","2","8","1") = "7"
    & skf18("5","2","4","4","2","9","1") = "8"
    & skf18("5","2","4","4","2","10","1") = "9"
    & skf18("5","2","4","4","3","1","1") = "4"
    & skf18("5","2","4","4","3","2","1") = "4"
    & skf18("5","2","4","4","3","3","1") = "4"
    & skf18("5","2","4","4","3","4","1") = "4"
    & skf18("5","2","4","4","3","5","1") = "4"
    & skf18("5","2","4","4","3","6","1") = "5"
    & skf18("5","2","4","4","3","7","1") = "6"
    & skf18("5","2","4","4","3","8","1") = "7"
    & skf18("5","2","4","4","3","9","1") = "8"
    & skf18("5","2","4","4","3","10","1") = "9"
    & skf18("5","2","4","4","4","1","1") = "4"
    & skf18("5","2","4","4","4","2","1") = "4"
    & skf18("5","2","4","4","4","3","1") = "4"
    & skf18("5","2","4","4","4","4","1") = "4"
    & skf18("5","2","4","4","4","5","1") = "4"
    & skf18("5","2","4","4","4","6","1") = "5"
    & skf18("5","2","4","4","4","7","1") = "6"
    & skf18("5","2","4","4","4","8","1") = "7"
    & skf18("5","2","4","4","4","9","1") = "8"
    & skf18("5","2","4","4","4","10","1") = "9"
    & skf18("5","2","4","4","5","1","1") = "4"
    & skf18("5","2","4","4","5","2","1") = "4"
    & skf18("5","2","4","4","5","3","1") = "4"
    & skf18("5","2","4","4","5","4","1") = "4"
    & skf18("5","2","4","4","5","5","1") = "4"
    & skf18("5","2","4","4","5","6","1") = "5"
    & skf18("5","2","4","4","5","7","1") = "6"
    & skf18("5","2","4","4","5","8","1") = "7"
    & skf18("5","2","4","4","5","9","1") = "8"
    & skf18("5","2","4","4","5","10","1") = "9"
    & skf18("5","2","4","4","6","1","1") = "5"
    & skf18("5","2","4","4","6","2","1") = "5"
    & skf18("5","2","4","4","6","3","1") = "5"
    & skf18("5","2","4","4","6","4","1") = "5"
    & skf18("5","2","4","4","6","5","1") = "5"
    & skf18("5","2","4","4","6","6","1") = "5"
    & skf18("5","2","4","4","6","7","1") = "6"
    & skf18("5","2","4","4","6","8","1") = "7"
    & skf18("5","2","4","4","6","9","1") = "8"
    & skf18("5","2","4","4","6","10","1") = "9"
    & skf18("5","2","4","4","7","1","1") = "6"
    & skf18("5","2","4","4","7","2","1") = "6"
    & skf18("5","2","4","4","7","3","1") = "6"
    & skf18("5","2","4","4","7","4","1") = "6"
    & skf18("5","2","4","4","7","5","1") = "6"
    & skf18("5","2","4","4","7","6","1") = "6"
    & skf18("5","2","4","4","7","7","1") = "6"
    & skf18("5","2","4","4","7","8","1") = "7"
    & skf18("5","2","4","4","7","9","1") = "8"
    & skf18("5","2","4","4","7","10","1") = "9"
    & skf18("5","2","4","4","8","1","1") = "7"
    & skf18("5","2","4","4","8","2","1") = "7"
    & skf18("5","2","4","4","8","3","1") = "7"
    & skf18("5","2","4","4","8","4","1") = "7"
    & skf18("5","2","4","4","8","5","1") = "7"
    & skf18("5","2","4","4","8","6","1") = "7"
    & skf18("5","2","4","4","8","7","1") = "7"
    & skf18("5","2","4","4","8","8","1") = "7"
    & skf18("5","2","4","4","8","9","1") = "8"
    & skf18("5","2","4","4","8","10","1") = "9"
    & skf18("5","2","4","4","9","1","1") = "8"
    & skf18("5","2","4","4","9","2","1") = "8"
    & skf18("5","2","4","4","9","3","1") = "8"
    & skf18("5","2","4","4","9","4","1") = "8"
    & skf18("5","2","4","4","9","5","1") = "8"
    & skf18("5","2","4","4","9","6","1") = "8"
    & skf18("5","2","4","4","9","7","1") = "8"
    & skf18("5","2","4","4","9","8","1") = "8"
    & skf18("5","2","4","4","9","9","1") = "8"
    & skf18("5","2","4","4","9","10","1") = "9"
    & skf18("5","2","4","4","10","1","1") = "9"
    & skf18("5","2","4","4","10","2","1") = "9"
    & skf18("5","2","4","4","10","3","1") = "9"
    & skf18("5","2","4","4","10","4","1") = "9"
    & skf18("5","2","4","4","10","5","1") = "9"
    & skf18("5","2","4","4","10","6","1") = "9"
    & skf18("5","2","4","4","10","7","1") = "9"
    & skf18("5","2","4","4","10","8","1") = "9"
    & skf18("5","2","4","4","10","9","1") = "9"
    & skf18("5","2","4","4","10","10","1") = "9"
    & skf18("5","2","4","5","1","1","1") = "4"
    & skf18("5","2","4","5","1","2","1") = "4"
    & skf18("5","2","4","5","1","3","1") = "4"
    & skf18("5","2","4","5","1","4","1") = "4"
    & skf18("5","2","4","5","1","5","1") = "4"
    & skf18("5","2","4","5","1","6","1") = "5"
    & skf18("5","2","4","5","1","7","1") = "6"
    & skf18("5","2","4","5","1","8","1") = "7"
    & skf18("5","2","4","5","1","9","1") = "8"
    & skf18("5","2","4","5","1","10","1") = "9"
    & skf18("5","2","4","5","2","1","1") = "4"
    & skf18("5","2","4","5","2","2","1") = "4"
    & skf18("5","2","4","5","2","3","1") = "4"
    & skf18("5","2","4","5","2","4","1") = "4"
    & skf18("5","2","4","5","2","5","1") = "4"
    & skf18("5","2","4","5","2","6","1") = "5"
    & skf18("5","2","4","5","2","7","1") = "6"
    & skf18("5","2","4","5","2","8","1") = "7"
    & skf18("5","2","4","5","2","9","1") = "8"
    & skf18("5","2","4","5","2","10","1") = "9"
    & skf18("5","2","4","5","3","1","1") = "4"
    & skf18("5","2","4","5","3","2","1") = "4"
    & skf18("5","2","4","5","3","3","1") = "4"
    & skf18("5","2","4","5","3","4","1") = "4"
    & skf18("5","2","4","5","3","5","1") = "4"
    & skf18("5","2","4","5","3","6","1") = "5"
    & skf18("5","2","4","5","3","7","1") = "6"
    & skf18("5","2","4","5","3","8","1") = "7"
    & skf18("5","2","4","5","3","9","1") = "8"
    & skf18("5","2","4","5","3","10","1") = "9"
    & skf18("5","2","4","5","4","1","1") = "4"
    & skf18("5","2","4","5","4","2","1") = "4"
    & skf18("5","2","4","5","4","3","1") = "4"
    & skf18("5","2","4","5","4","4","1") = "4"
    & skf18("5","2","4","5","4","5","1") = "4"
    & skf18("5","2","4","5","4","6","1") = "5"
    & skf18("5","2","4","5","4","7","1") = "6"
    & skf18("5","2","4","5","4","8","1") = "7"
    & skf18("5","2","4","5","4","9","1") = "8"
    & skf18("5","2","4","5","4","10","1") = "9"
    & skf18("5","2","4","5","5","1","1") = "4"
    & skf18("5","2","4","5","5","2","1") = "4"
    & skf18("5","2","4","5","5","3","1") = "4"
    & skf18("5","2","4","5","5","4","1") = "4"
    & skf18("5","2","4","5","5","5","1") = "4"
    & skf18("5","2","4","5","5","6","1") = "5"
    & skf18("5","2","4","5","5","7","1") = "6"
    & skf18("5","2","4","5","5","8","1") = "7"
    & skf18("5","2","4","5","5","9","1") = "8"
    & skf18("5","2","4","5","5","10","1") = "9"
    & skf18("5","2","4","5","6","1","1") = "5"
    & skf18("5","2","4","5","6","2","1") = "5"
    & skf18("5","2","4","5","6","3","1") = "5"
    & skf18("5","2","4","5","6","4","1") = "5"
    & skf18("5","2","4","5","6","5","1") = "5"
    & skf18("5","2","4","5","6","6","1") = "5"
    & skf18("5","2","4","5","6","7","1") = "6"
    & skf18("5","2","4","5","6","8","1") = "7"
    & skf18("5","2","4","5","6","9","1") = "8"
    & skf18("5","2","4","5","6","10","1") = "9"
    & skf18("5","2","4","5","7","1","1") = "6"
    & skf18("5","2","4","5","7","2","1") = "6"
    & skf18("5","2","4","5","7","3","1") = "6"
    & skf18("5","2","4","5","7","4","1") = "6"
    & skf18("5","2","4","5","7","5","1") = "6"
    & skf18("5","2","4","5","7","6","1") = "6"
    & skf18("5","2","4","5","7","7","1") = "6"
    & skf18("5","2","4","5","7","8","1") = "7"
    & skf18("5","2","4","5","7","9","1") = "8"
    & skf18("5","2","4","5","7","10","1") = "9"
    & skf18("5","2","4","5","8","1","1") = "7"
    & skf18("5","2","4","5","8","2","1") = "7"
    & skf18("5","2","4","5","8","3","1") = "7"
    & skf18("5","2","4","5","8","4","1") = "7"
    & skf18("5","2","4","5","8","5","1") = "7"
    & skf18("5","2","4","5","8","6","1") = "7"
    & skf18("5","2","4","5","8","7","1") = "7"
    & skf18("5","2","4","5","8","8","1") = "7"
    & skf18("5","2","4","5","8","9","1") = "8"
    & skf18("5","2","4","5","8","10","1") = "9"
    & skf18("5","2","4","5","9","1","1") = "8"
    & skf18("5","2","4","5","9","2","1") = "8"
    & skf18("5","2","4","5","9","3","1") = "8"
    & skf18("5","2","4","5","9","4","1") = "8"
    & skf18("5","2","4","5","9","5","1") = "8"
    & skf18("5","2","4","5","9","6","1") = "8"
    & skf18("5","2","4","5","9","7","1") = "8"
    & skf18("5","2","4","5","9","8","1") = "8"
    & skf18("5","2","4","5","9","9","1") = "8"
    & skf18("5","2","4","5","9","10","1") = "9"
    & skf18("5","2","4","5","10","1","1") = "9"
    & skf18("5","2","4","5","10","2","1") = "9"
    & skf18("5","2","4","5","10","3","1") = "9"
    & skf18("5","2","4","5","10","4","1") = "9"
    & skf18("5","2","4","5","10","5","1") = "9"
    & skf18("5","2","4","5","10","6","1") = "9"
    & skf18("5","2","4","5","10","7","1") = "9"
    & skf18("5","2","4","5","10","8","1") = "9"
    & skf18("5","2","4","5","10","9","1") = "9"
    & skf18("5","2","4","5","10","10","1") = "9"
    & skf18("5","2","4","6","1","1","1") = "5"
    & skf18("5","2","4","6","1","2","1") = "5"
    & skf18("5","2","4","6","1","3","1") = "5"
    & skf18("5","2","4","6","1","4","1") = "5"
    & skf18("5","2","4","6","1","5","1") = "5"
    & skf18("5","2","4","6","1","6","1") = "5"
    & skf18("5","2","4","6","1","7","1") = "6"
    & skf18("5","2","4","6","1","8","1") = "7"
    & skf18("5","2","4","6","1","9","1") = "8"
    & skf18("5","2","4","6","1","10","1") = "9"
    & skf18("5","2","4","6","2","1","1") = "5"
    & skf18("5","2","4","6","2","2","1") = "5"
    & skf18("5","2","4","6","2","3","1") = "5"
    & skf18("5","2","4","6","2","4","1") = "5"
    & skf18("5","2","4","6","2","5","1") = "5"
    & skf18("5","2","4","6","2","6","1") = "5"
    & skf18("5","2","4","6","2","7","1") = "6"
    & skf18("5","2","4","6","2","8","1") = "7"
    & skf18("5","2","4","6","2","9","1") = "8"
    & skf18("5","2","4","6","2","10","1") = "9"
    & skf18("5","2","4","6","3","1","1") = "5"
    & skf18("5","2","4","6","3","2","1") = "5"
    & skf18("5","2","4","6","3","3","1") = "5"
    & skf18("5","2","4","6","3","4","1") = "5"
    & skf18("5","2","4","6","3","5","1") = "5"
    & skf18("5","2","4","6","3","6","1") = "5"
    & skf18("5","2","4","6","3","7","1") = "6"
    & skf18("5","2","4","6","3","8","1") = "7"
    & skf18("5","2","4","6","3","9","1") = "8"
    & skf18("5","2","4","6","3","10","1") = "9"
    & skf18("5","2","4","6","4","1","1") = "5"
    & skf18("5","2","4","6","4","2","1") = "5"
    & skf18("5","2","4","6","4","3","1") = "5"
    & skf18("5","2","4","6","4","4","1") = "5"
    & skf18("5","2","4","6","4","5","1") = "5"
    & skf18("5","2","4","6","4","6","1") = "5"
    & skf18("5","2","4","6","4","7","1") = "6"
    & skf18("5","2","4","6","4","8","1") = "7"
    & skf18("5","2","4","6","4","9","1") = "8"
    & skf18("5","2","4","6","4","10","1") = "9"
    & skf18("5","2","4","6","5","1","1") = "5"
    & skf18("5","2","4","6","5","2","1") = "5"
    & skf18("5","2","4","6","5","3","1") = "5"
    & skf18("5","2","4","6","5","4","1") = "5"
    & skf18("5","2","4","6","5","5","1") = "5"
    & skf18("5","2","4","6","5","6","1") = "5"
    & skf18("5","2","4","6","5","7","1") = "6"
    & skf18("5","2","4","6","5","8","1") = "7"
    & skf18("5","2","4","6","5","9","1") = "8"
    & skf18("5","2","4","6","5","10","1") = "9"
    & skf18("5","2","4","6","6","1","1") = "5"
    & skf18("5","2","4","6","6","2","1") = "5"
    & skf18("5","2","4","6","6","3","1") = "5"
    & skf18("5","2","4","6","6","4","1") = "5"
    & skf18("5","2","4","6","6","5","1") = "5"
    & skf18("5","2","4","6","6","6","1") = "5"
    & skf18("5","2","4","6","6","7","1") = "6"
    & skf18("5","2","4","6","6","8","1") = "7"
    & skf18("5","2","4","6","6","9","1") = "8"
    & skf18("5","2","4","6","6","10","1") = "9"
    & skf18("5","2","4","6","7","1","1") = "6"
    & skf18("5","2","4","6","7","2","1") = "6"
    & skf18("5","2","4","6","7","3","1") = "6"
    & skf18("5","2","4","6","7","4","1") = "6"
    & skf18("5","2","4","6","7","5","1") = "6"
    & skf18("5","2","4","6","7","6","1") = "6"
    & skf18("5","2","4","6","7","7","1") = "6"
    & skf18("5","2","4","6","7","8","1") = "7"
    & skf18("5","2","4","6","7","9","1") = "8"
    & skf18("5","2","4","6","7","10","1") = "9"
    & skf18("5","2","4","6","8","1","1") = "7"
    & skf18("5","2","4","6","8","2","1") = "7"
    & skf18("5","2","4","6","8","3","1") = "7"
    & skf18("5","2","4","6","8","4","1") = "7"
    & skf18("5","2","4","6","8","5","1") = "7"
    & skf18("5","2","4","6","8","6","1") = "7"
    & skf18("5","2","4","6","8","7","1") = "7"
    & skf18("5","2","4","6","8","8","1") = "7"
    & skf18("5","2","4","6","8","9","1") = "8"
    & skf18("5","2","4","6","8","10","1") = "9"
    & skf18("5","2","4","6","9","1","1") = "8"
    & skf18("5","2","4","6","9","2","1") = "8"
    & skf18("5","2","4","6","9","3","1") = "8"
    & skf18("5","2","4","6","9","4","1") = "8"
    & skf18("5","2","4","6","9","5","1") = "8"
    & skf18("5","2","4","6","9","6","1") = "8"
    & skf18("5","2","4","6","9","7","1") = "8"
    & skf18("5","2","4","6","9","8","1") = "8"
    & skf18("5","2","4","6","9","9","1") = "8"
    & skf18("5","2","4","6","9","10","1") = "9"
    & skf18("5","2","4","6","10","1","1") = "9"
    & skf18("5","2","4","6","10","2","1") = "9"
    & skf18("5","2","4","6","10","3","1") = "9"
    & skf18("5","2","4","6","10","4","1") = "9"
    & skf18("5","2","4","6","10","5","1") = "9"
    & skf18("5","2","4","6","10","6","1") = "9"
    & skf18("5","2","4","6","10","7","1") = "9"
    & skf18("5","2","4","6","10","8","1") = "9"
    & skf18("5","2","4","6","10","9","1") = "9"
    & skf18("5","2","4","6","10","10","1") = "9"
    & skf18("5","2","4","7","1","1","1") = "6"
    & skf18("5","2","4","7","1","2","1") = "6"
    & skf18("5","2","4","7","1","3","1") = "6"
    & skf18("5","2","4","7","1","4","1") = "6"
    & skf18("5","2","4","7","1","5","1") = "6"
    & skf18("5","2","4","7","1","6","1") = "6"
    & skf18("5","2","4","7","1","7","1") = "6"
    & skf18("5","2","4","7","1","8","1") = "7"
    & skf18("5","2","4","7","1","9","1") = "8"
    & skf18("5","2","4","7","1","10","1") = "9"
    & skf18("5","2","4","7","2","1","1") = "6"
    & skf18("5","2","4","7","2","2","1") = "6"
    & skf18("5","2","4","7","2","3","1") = "6"
    & skf18("5","2","4","7","2","4","1") = "6"
    & skf18("5","2","4","7","2","5","1") = "6"
    & skf18("5","2","4","7","2","6","1") = "6"
    & skf18("5","2","4","7","2","7","1") = "6"
    & skf18("5","2","4","7","2","8","1") = "7"
    & skf18("5","2","4","7","2","9","1") = "8"
    & skf18("5","2","4","7","2","10","1") = "9"
    & skf18("5","2","4","7","3","1","1") = "6"
    & skf18("5","2","4","7","3","2","1") = "6"
    & skf18("5","2","4","7","3","3","1") = "6"
    & skf18("5","2","4","7","3","4","1") = "6"
    & skf18("5","2","4","7","3","5","1") = "6"
    & skf18("5","2","4","7","3","6","1") = "6"
    & skf18("5","2","4","7","3","7","1") = "6"
    & skf18("5","2","4","7","3","8","1") = "7"
    & skf18("5","2","4","7","3","9","1") = "8"
    & skf18("5","2","4","7","3","10","1") = "9"
    & skf18("5","2","4","7","4","1","1") = "6"
    & skf18("5","2","4","7","4","2","1") = "6"
    & skf18("5","2","4","7","4","3","1") = "6"
    & skf18("5","2","4","7","4","4","1") = "6"
    & skf18("5","2","4","7","4","5","1") = "6"
    & skf18("5","2","4","7","4","6","1") = "6"
    & skf18("5","2","4","7","4","7","1") = "6"
    & skf18("5","2","4","7","4","8","1") = "7"
    & skf18("5","2","4","7","4","9","1") = "8"
    & skf18("5","2","4","7","4","10","1") = "9"
    & skf18("5","2","4","7","5","1","1") = "6"
    & skf18("5","2","4","7","5","2","1") = "6"
    & skf18("5","2","4","7","5","3","1") = "6"
    & skf18("5","2","4","7","5","4","1") = "6"
    & skf18("5","2","4","7","5","5","1") = "6"
    & skf18("5","2","4","7","5","6","1") = "6"
    & skf18("5","2","4","7","5","7","1") = "6"
    & skf18("5","2","4","7","5","8","1") = "7"
    & skf18("5","2","4","7","5","9","1") = "8"
    & skf18("5","2","4","7","5","10","1") = "9"
    & skf18("5","2","4","7","6","1","1") = "6"
    & skf18("5","2","4","7","6","2","1") = "6"
    & skf18("5","2","4","7","6","3","1") = "6"
    & skf18("5","2","4","7","6","4","1") = "6"
    & skf18("5","2","4","7","6","5","1") = "6"
    & skf18("5","2","4","7","6","6","1") = "6"
    & skf18("5","2","4","7","6","7","1") = "6"
    & skf18("5","2","4","7","6","8","1") = "7"
    & skf18("5","2","4","7","6","9","1") = "8"
    & skf18("5","2","4","7","6","10","1") = "9"
    & skf18("5","2","4","7","7","1","1") = "6"
    & skf18("5","2","4","7","7","2","1") = "6"
    & skf18("5","2","4","7","7","3","1") = "6"
    & skf18("5","2","4","7","7","4","1") = "6"
    & skf18("5","2","4","7","7","5","1") = "6"
    & skf18("5","2","4","7","7","6","1") = "6"
    & skf18("5","2","4","7","7","7","1") = "6"
    & skf18("5","2","4","7","7","8","1") = "7"
    & skf18("5","2","4","7","7","9","1") = "8"
    & skf18("5","2","4","7","7","10","1") = "9"
    & skf18("5","2","4","7","8","1","1") = "7"
    & skf18("5","2","4","7","8","2","1") = "7"
    & skf18("5","2","4","7","8","3","1") = "7"
    & skf18("5","2","4","7","8","4","1") = "7"
    & skf18("5","2","4","7","8","5","1") = "7"
    & skf18("5","2","4","7","8","6","1") = "7"
    & skf18("5","2","4","7","8","7","1") = "7"
    & skf18("5","2","4","7","8","8","1") = "7"
    & skf18("5","2","4","7","8","9","1") = "8"
    & skf18("5","2","4","7","8","10","1") = "9"
    & skf18("5","2","4","7","9","1","1") = "8"
    & skf18("5","2","4","7","9","2","1") = "8"
    & skf18("5","2","4","7","9","3","1") = "8"
    & skf18("5","2","4","7","9","4","1") = "8"
    & skf18("5","2","4","7","9","5","1") = "8"
    & skf18("5","2","4","7","9","6","1") = "8"
    & skf18("5","2","4","7","9","7","1") = "8"
    & skf18("5","2","4","7","9","8","1") = "8"
    & skf18("5","2","4","7","9","9","1") = "8"
    & skf18("5","2","4","7","9","10","1") = "9"
    & skf18("5","2","4","7","10","1","1") = "9"
    & skf18("5","2","4","7","10","2","1") = "9"
    & skf18("5","2","4","7","10","3","1") = "9"
    & skf18("5","2","4","7","10","4","1") = "9"
    & skf18("5","2","4","7","10","5","1") = "9"
    & skf18("5","2","4","7","10","6","1") = "9"
    & skf18("5","2","4","7","10","7","1") = "9"
    & skf18("5","2","4","7","10","8","1") = "9"
    & skf18("5","2","4","7","10","9","1") = "9"
    & skf18("5","2","4","7","10","10","1") = "9"
    & skf18("5","2","4","8","1","1","1") = "7"
    & skf18("5","2","4","8","1","2","1") = "7"
    & skf18("5","2","4","8","1","3","1") = "7"
    & skf18("5","2","4","8","1","4","1") = "7"
    & skf18("5","2","4","8","1","5","1") = "7"
    & skf18("5","2","4","8","1","6","1") = "7"
    & skf18("5","2","4","8","1","7","1") = "7"
    & skf18("5","2","4","8","1","8","1") = "7"
    & skf18("5","2","4","8","1","9","1") = "8"
    & skf18("5","2","4","8","1","10","1") = "9"
    & skf18("5","2","4","8","2","1","1") = "7"
    & skf18("5","2","4","8","2","2","1") = "7"
    & skf18("5","2","4","8","2","3","1") = "7"
    & skf18("5","2","4","8","2","4","1") = "7"
    & skf18("5","2","4","8","2","5","1") = "7"
    & skf18("5","2","4","8","2","6","1") = "7"
    & skf18("5","2","4","8","2","7","1") = "7"
    & skf18("5","2","4","8","2","8","1") = "7"
    & skf18("5","2","4","8","2","9","1") = "8"
    & skf18("5","2","4","8","2","10","1") = "9"
    & skf18("5","2","4","8","3","1","1") = "7"
    & skf18("5","2","4","8","3","2","1") = "7"
    & skf18("5","2","4","8","3","3","1") = "7"
    & skf18("5","2","4","8","3","4","1") = "7"
    & skf18("5","2","4","8","3","5","1") = "7"
    & skf18("5","2","4","8","3","6","1") = "7"
    & skf18("5","2","4","8","3","7","1") = "7"
    & skf18("5","2","4","8","3","8","1") = "7"
    & skf18("5","2","4","8","3","9","1") = "8"
    & skf18("5","2","4","8","3","10","1") = "9"
    & skf18("5","2","4","8","4","1","1") = "7"
    & skf18("5","2","4","8","4","2","1") = "7"
    & skf18("5","2","4","8","4","3","1") = "7"
    & skf18("5","2","4","8","4","4","1") = "7"
    & skf18("5","2","4","8","4","5","1") = "7"
    & skf18("5","2","4","8","4","6","1") = "7"
    & skf18("5","2","4","8","4","7","1") = "7"
    & skf18("5","2","4","8","4","8","1") = "7"
    & skf18("5","2","4","8","4","9","1") = "8"
    & skf18("5","2","4","8","4","10","1") = "9"
    & skf18("5","2","4","8","5","1","1") = "7"
    & skf18("5","2","4","8","5","2","1") = "7"
    & skf18("5","2","4","8","5","3","1") = "7"
    & skf18("5","2","4","8","5","4","1") = "7"
    & skf18("5","2","4","8","5","5","1") = "7"
    & skf18("5","2","4","8","5","6","1") = "7"
    & skf18("5","2","4","8","5","7","1") = "7"
    & skf18("5","2","4","8","5","8","1") = "7"
    & skf18("5","2","4","8","5","9","1") = "8"
    & skf18("5","2","4","8","5","10","1") = "9"
    & skf18("5","2","4","8","6","1","1") = "7"
    & skf18("5","2","4","8","6","2","1") = "7"
    & skf18("5","2","4","8","6","3","1") = "7"
    & skf18("5","2","4","8","6","4","1") = "7"
    & skf18("5","2","4","8","6","5","1") = "7"
    & skf18("5","2","4","8","6","6","1") = "7"
    & skf18("5","2","4","8","6","7","1") = "7"
    & skf18("5","2","4","8","6","8","1") = "7"
    & skf18("5","2","4","8","6","9","1") = "8"
    & skf18("5","2","4","8","6","10","1") = "9"
    & skf18("5","2","4","8","7","1","1") = "7"
    & skf18("5","2","4","8","7","2","1") = "7"
    & skf18("5","2","4","8","7","3","1") = "7"
    & skf18("5","2","4","8","7","4","1") = "7"
    & skf18("5","2","4","8","7","5","1") = "7"
    & skf18("5","2","4","8","7","6","1") = "7"
    & skf18("5","2","4","8","7","7","1") = "7"
    & skf18("5","2","4","8","7","8","1") = "7"
    & skf18("5","2","4","8","7","9","1") = "8"
    & skf18("5","2","4","8","7","10","1") = "9"
    & skf18("5","2","4","8","8","1","1") = "7"
    & skf18("5","2","4","8","8","2","1") = "7"
    & skf18("5","2","4","8","8","3","1") = "7"
    & skf18("5","2","4","8","8","4","1") = "7"
    & skf18("5","2","4","8","8","5","1") = "7"
    & skf18("5","2","4","8","8","6","1") = "7"
    & skf18("5","2","4","8","8","7","1") = "7"
    & skf18("5","2","4","8","8","8","1") = "7"
    & skf18("5","2","4","8","8","9","1") = "8"
    & skf18("5","2","4","8","8","10","1") = "9"
    & skf18("5","2","4","8","9","1","1") = "8"
    & skf18("5","2","4","8","9","2","1") = "8"
    & skf18("5","2","4","8","9","3","1") = "8"
    & skf18("5","2","4","8","9","4","1") = "8"
    & skf18("5","2","4","8","9","5","1") = "8"
    & skf18("5","2","4","8","9","6","1") = "8"
    & skf18("5","2","4","8","9","7","1") = "8"
    & skf18("5","2","4","8","9","8","1") = "8"
    & skf18("5","2","4","8","9","9","1") = "8"
    & skf18("5","2","4","8","9","10","1") = "9"
    & skf18("5","2","4","8","10","1","1") = "9"
    & skf18("5","2","4","8","10","2","1") = "9"
    & skf18("5","2","4","8","10","3","1") = "9"
    & skf18("5","2","4","8","10","4","1") = "9"
    & skf18("5","2","4","8","10","5","1") = "9"
    & skf18("5","2","4","8","10","6","1") = "9"
    & skf18("5","2","4","8","10","7","1") = "9"
    & skf18("5","2","4","8","10","8","1") = "9"
    & skf18("5","2","4","8","10","9","1") = "9"
    & skf18("5","2","4","8","10","10","1") = "9"
    & skf18("5","2","4","9","1","1","1") = "8"
    & skf18("5","2","4","9","1","2","1") = "8"
    & skf18("5","2","4","9","1","3","1") = "8"
    & skf18("5","2","4","9","1","4","1") = "8"
    & skf18("5","2","4","9","1","5","1") = "8"
    & skf18("5","2","4","9","1","6","1") = "8"
    & skf18("5","2","4","9","1","7","1") = "8"
    & skf18("5","2","4","9","1","8","1") = "8"
    & skf18("5","2","4","9","1","9","1") = "8"
    & skf18("5","2","4","9","1","10","1") = "9"
    & skf18("5","2","4","9","2","1","1") = "8"
    & skf18("5","2","4","9","2","2","1") = "8"
    & skf18("5","2","4","9","2","3","1") = "8"
    & skf18("5","2","4","9","2","4","1") = "8"
    & skf18("5","2","4","9","2","5","1") = "8"
    & skf18("5","2","4","9","2","6","1") = "8"
    & skf18("5","2","4","9","2","7","1") = "8"
    & skf18("5","2","4","9","2","8","1") = "8"
    & skf18("5","2","4","9","2","9","1") = "8"
    & skf18("5","2","4","9","2","10","1") = "9"
    & skf18("5","2","4","9","3","1","1") = "8"
    & skf18("5","2","4","9","3","2","1") = "8"
    & skf18("5","2","4","9","3","3","1") = "8"
    & skf18("5","2","4","9","3","4","1") = "8"
    & skf18("5","2","4","9","3","5","1") = "8"
    & skf18("5","2","4","9","3","6","1") = "8"
    & skf18("5","2","4","9","3","7","1") = "8"
    & skf18("5","2","4","9","3","8","1") = "8"
    & skf18("5","2","4","9","3","9","1") = "8"
    & skf18("5","2","4","9","3","10","1") = "9"
    & skf18("5","2","4","9","4","1","1") = "8"
    & skf18("5","2","4","9","4","2","1") = "8"
    & skf18("5","2","4","9","4","3","1") = "8"
    & skf18("5","2","4","9","4","4","1") = "8"
    & skf18("5","2","4","9","4","5","1") = "8"
    & skf18("5","2","4","9","4","6","1") = "8"
    & skf18("5","2","4","9","4","7","1") = "8"
    & skf18("5","2","4","9","4","8","1") = "8"
    & skf18("5","2","4","9","4","9","1") = "8"
    & skf18("5","2","4","9","4","10","1") = "9"
    & skf18("5","2","4","9","5","1","1") = "8"
    & skf18("5","2","4","9","5","2","1") = "8"
    & skf18("5","2","4","9","5","3","1") = "8"
    & skf18("5","2","4","9","5","4","1") = "8"
    & skf18("5","2","4","9","5","5","1") = "8"
    & skf18("5","2","4","9","5","6","1") = "8"
    & skf18("5","2","4","9","5","7","1") = "8"
    & skf18("5","2","4","9","5","8","1") = "8"
    & skf18("5","2","4","9","5","9","1") = "8"
    & skf18("5","2","4","9","5","10","1") = "9"
    & skf18("5","2","4","9","6","1","1") = "8"
    & skf18("5","2","4","9","6","2","1") = "8"
    & skf18("5","2","4","9","6","3","1") = "8"
    & skf18("5","2","4","9","6","4","1") = "8"
    & skf18("5","2","4","9","6","5","1") = "8"
    & skf18("5","2","4","9","6","6","1") = "8"
    & skf18("5","2","4","9","6","7","1") = "8"
    & skf18("5","2","4","9","6","8","1") = "8"
    & skf18("5","2","4","9","6","9","1") = "8"
    & skf18("5","2","4","9","6","10","1") = "9"
    & skf18("5","2","4","9","7","1","1") = "8"
    & skf18("5","2","4","9","7","2","1") = "8"
    & skf18("5","2","4","9","7","3","1") = "8"
    & skf18("5","2","4","9","7","4","1") = "8"
    & skf18("5","2","4","9","7","5","1") = "8"
    & skf18("5","2","4","9","7","6","1") = "8"
    & skf18("5","2","4","9","7","7","1") = "8"
    & skf18("5","2","4","9","7","8","1") = "8"
    & skf18("5","2","4","9","7","9","1") = "8"
    & skf18("5","2","4","9","7","10","1") = "9"
    & skf18("5","2","4","9","8","1","1") = "8"
    & skf18("5","2","4","9","8","2","1") = "8"
    & skf18("5","2","4","9","8","3","1") = "8"
    & skf18("5","2","4","9","8","4","1") = "8"
    & skf18("5","2","4","9","8","5","1") = "8"
    & skf18("5","2","4","9","8","6","1") = "8"
    & skf18("5","2","4","9","8","7","1") = "8"
    & skf18("5","2","4","9","8","8","1") = "8"
    & skf18("5","2","4","9","8","9","1") = "8"
    & skf18("5","2","4","9","8","10","1") = "9"
    & skf18("5","2","4","9","9","1","1") = "8"
    & skf18("5","2","4","9","9","2","1") = "8"
    & skf18("5","2","4","9","9","3","1") = "8"
    & skf18("5","2","4","9","9","4","1") = "8"
    & skf18("5","2","4","9","9","5","1") = "8"
    & skf18("5","2","4","9","9","6","1") = "8"
    & skf18("5","2","4","9","9","7","1") = "8"
    & skf18("5","2","4","9","9","8","1") = "8"
    & skf18("5","2","4","9","9","9","1") = "8"
    & skf18("5","2","4","9","9","10","1") = "9"
    & skf18("5","2","4","9","10","1","1") = "9"
    & skf18("5","2","4","9","10","2","1") = "9"
    & skf18("5","2","4","9","10","3","1") = "9"
    & skf18("5","2","4","9","10","4","1") = "9"
    & skf18("5","2","4","9","10","5","1") = "9"
    & skf18("5","2","4","9","10","6","1") = "9"
    & skf18("5","2","4","9","10","7","1") = "9"
    & skf18("5","2","4","9","10","8","1") = "9"
    & skf18("5","2","4","9","10","9","1") = "9"
    & skf18("5","2","4","9","10","10","1") = "9"
    & skf18("5","2","4","10","1","1","1") = "9"
    & skf18("5","2","4","10","1","2","1") = "9"
    & skf18("5","2","4","10","1","3","1") = "9"
    & skf18("5","2","4","10","1","4","1") = "9"
    & skf18("5","2","4","10","1","5","1") = "9"
    & skf18("5","2","4","10","1","6","1") = "9"
    & skf18("5","2","4","10","1","7","1") = "9"
    & skf18("5","2","4","10","1","8","1") = "9"
    & skf18("5","2","4","10","1","9","1") = "9"
    & skf18("5","2","4","10","1","10","1") = "9"
    & skf18("5","2","4","10","2","1","1") = "9"
    & skf18("5","2","4","10","2","2","1") = "9"
    & skf18("5","2","4","10","2","3","1") = "9"
    & skf18("5","2","4","10","2","4","1") = "9"
    & skf18("5","2","4","10","2","5","1") = "9"
    & skf18("5","2","4","10","2","6","1") = "9"
    & skf18("5","2","4","10","2","7","1") = "9"
    & skf18("5","2","4","10","2","8","1") = "9"
    & skf18("5","2","4","10","2","9","1") = "9"
    & skf18("5","2","4","10","2","10","1") = "9"
    & skf18("5","2","4","10","3","1","1") = "9"
    & skf18("5","2","4","10","3","2","1") = "9"
    & skf18("5","2","4","10","3","3","1") = "9"
    & skf18("5","2","4","10","3","4","1") = "9"
    & skf18("5","2","4","10","3","5","1") = "9"
    & skf18("5","2","4","10","3","6","1") = "9"
    & skf18("5","2","4","10","3","7","1") = "9"
    & skf18("5","2","4","10","3","8","1") = "9"
    & skf18("5","2","4","10","3","9","1") = "9"
    & skf18("5","2","4","10","3","10","1") = "9"
    & skf18("5","2","4","10","4","1","1") = "9"
    & skf18("5","2","4","10","4","2","1") = "9"
    & skf18("5","2","4","10","4","3","1") = "9"
    & skf18("5","2","4","10","4","4","1") = "9"
    & skf18("5","2","4","10","4","5","1") = "9"
    & skf18("5","2","4","10","4","6","1") = "9"
    & skf18("5","2","4","10","4","7","1") = "9"
    & skf18("5","2","4","10","4","8","1") = "9"
    & skf18("5","2","4","10","4","9","1") = "9"
    & skf18("5","2","4","10","4","10","1") = "9"
    & skf18("5","2","4","10","5","1","1") = "9"
    & skf18("5","2","4","10","5","2","1") = "9"
    & skf18("5","2","4","10","5","3","1") = "9"
    & skf18("5","2","4","10","5","4","1") = "9"
    & skf18("5","2","4","10","5","5","1") = "9"
    & skf18("5","2","4","10","5","6","1") = "9"
    & skf18("5","2","4","10","5","7","1") = "9"
    & skf18("5","2","4","10","5","8","1") = "9"
    & skf18("5","2","4","10","5","9","1") = "9"
    & skf18("5","2","4","10","5","10","1") = "9"
    & skf18("5","2","4","10","6","1","1") = "9"
    & skf18("5","2","4","10","6","2","1") = "9"
    & skf18("5","2","4","10","6","3","1") = "9"
    & skf18("5","2","4","10","6","4","1") = "9"
    & skf18("5","2","4","10","6","5","1") = "9"
    & skf18("5","2","4","10","6","6","1") = "9"
    & skf18("5","2","4","10","6","7","1") = "9"
    & skf18("5","2","4","10","6","8","1") = "9"
    & skf18("5","2","4","10","6","9","1") = "9"
    & skf18("5","2","4","10","6","10","1") = "9"
    & skf18("5","2","4","10","7","1","1") = "9"
    & skf18("5","2","4","10","7","2","1") = "9"
    & skf18("5","2","4","10","7","3","1") = "9"
    & skf18("5","2","4","10","7","4","1") = "9"
    & skf18("5","2","4","10","7","5","1") = "9"
    & skf18("5","2","4","10","7","6","1") = "9"
    & skf18("5","2","4","10","7","7","1") = "9"
    & skf18("5","2","4","10","7","8","1") = "9"
    & skf18("5","2","4","10","7","9","1") = "9"
    & skf18("5","2","4","10","7","10","1") = "9"
    & skf18("5","2","4","10","8","1","1") = "9"
    & skf18("5","2","4","10","8","2","1") = "9"
    & skf18("5","2","4","10","8","3","1") = "9"
    & skf18("5","2","4","10","8","4","1") = "9"
    & skf18("5","2","4","10","8","5","1") = "9"
    & skf18("5","2","4","10","8","6","1") = "9"
    & skf18("5","2","4","10","8","7","1") = "9"
    & skf18("5","2","4","10","8","8","1") = "9"
    & skf18("5","2","4","10","8","9","1") = "9"
    & skf18("5","2","4","10","8","10","1") = "9"
    & skf18("5","2","4","10","9","1","1") = "9"
    & skf18("5","2","4","10","9","2","1") = "9"
    & skf18("5","2","4","10","9","3","1") = "9"
    & skf18("5","2","4","10","9","4","1") = "9"
    & skf18("5","2","4","10","9","5","1") = "9"
    & skf18("5","2","4","10","9","6","1") = "9"
    & skf18("5","2","4","10","9","7","1") = "9"
    & skf18("5","2","4","10","9","8","1") = "9"
    & skf18("5","2","4","10","9","9","1") = "9"
    & skf18("5","2","4","10","9","10","1") = "9"
    & skf18("5","2","4","10","10","1","1") = "9"
    & skf18("5","2","4","10","10","2","1") = "9"
    & skf18("5","2","4","10","10","3","1") = "9"
    & skf18("5","2","4","10","10","4","1") = "9"
    & skf18("5","2","4","10","10","5","1") = "9"
    & skf18("5","2","4","10","10","6","1") = "9"
    & skf18("5","2","4","10","10","7","1") = "9"
    & skf18("5","2","4","10","10","8","1") = "9"
    & skf18("5","2","4","10","10","9","1") = "9"
    & skf18("5","2","4","10","10","10","1") = "9"
    & skf18("5","2","5","1","1","1","1") = "4"
    & skf18("5","2","5","1","1","2","1") = "4"
    & skf18("5","2","5","1","1","3","1") = "4"
    & skf18("5","2","5","1","1","4","1") = "4"
    & skf18("5","2","5","1","1","5","1") = "4"
    & skf18("5","2","5","1","1","6","1") = "5"
    & skf18("5","2","5","1","1","7","1") = "6"
    & skf18("5","2","5","1","1","8","1") = "7"
    & skf18("5","2","5","1","1","9","1") = "8"
    & skf18("5","2","5","1","1","10","1") = "9"
    & skf18("5","2","5","1","2","1","1") = "4"
    & skf18("5","2","5","1","2","2","1") = "4"
    & skf18("5","2","5","1","2","3","1") = "4"
    & skf18("5","2","5","1","2","4","1") = "4"
    & skf18("5","2","5","1","2","5","1") = "4"
    & skf18("5","2","5","1","2","6","1") = "5"
    & skf18("5","2","5","1","2","7","1") = "6"
    & skf18("5","2","5","1","2","8","1") = "7"
    & skf18("5","2","5","1","2","9","1") = "8"
    & skf18("5","2","5","1","2","10","1") = "9"
    & skf18("5","2","5","1","3","1","1") = "4"
    & skf18("5","2","5","1","3","2","1") = "4"
    & skf18("5","2","5","1","3","3","1") = "4"
    & skf18("5","2","5","1","3","4","1") = "4"
    & skf18("5","2","5","1","3","5","1") = "4"
    & skf18("5","2","5","1","3","6","1") = "5"
    & skf18("5","2","5","1","3","7","1") = "6"
    & skf18("5","2","5","1","3","8","1") = "7"
    & skf18("5","2","5","1","3","9","1") = "8"
    & skf18("5","2","5","1","3","10","1") = "9"
    & skf18("5","2","5","1","4","1","1") = "4"
    & skf18("5","2","5","1","4","2","1") = "4"
    & skf18("5","2","5","1","4","3","1") = "4"
    & skf18("5","2","5","1","4","4","1") = "4"
    & skf18("5","2","5","1","4","5","1") = "4"
    & skf18("5","2","5","1","4","6","1") = "5"
    & skf18("5","2","5","1","4","7","1") = "6"
    & skf18("5","2","5","1","4","8","1") = "7"
    & skf18("5","2","5","1","4","9","1") = "8"
    & skf18("5","2","5","1","4","10","1") = "9"
    & skf18("5","2","5","1","5","1","1") = "4"
    & skf18("5","2","5","1","5","2","1") = "4"
    & skf18("5","2","5","1","5","3","1") = "4"
    & skf18("5","2","5","1","5","4","1") = "4"
    & skf18("5","2","5","1","5","5","1") = "4"
    & skf18("5","2","5","1","5","6","1") = "5"
    & skf18("5","2","5","1","5","7","1") = "6"
    & skf18("5","2","5","1","5","8","1") = "7"
    & skf18("5","2","5","1","5","9","1") = "8"
    & skf18("5","2","5","1","5","10","1") = "9"
    & skf18("5","2","5","1","6","1","1") = "5"
    & skf18("5","2","5","1","6","2","1") = "5"
    & skf18("5","2","5","1","6","3","1") = "5"
    & skf18("5","2","5","1","6","4","1") = "5"
    & skf18("5","2","5","1","6","5","1") = "5"
    & skf18("5","2","5","1","6","6","1") = "5"
    & skf18("5","2","5","1","6","7","1") = "6"
    & skf18("5","2","5","1","6","8","1") = "7"
    & skf18("5","2","5","1","6","9","1") = "8"
    & skf18("5","2","5","1","6","10","1") = "9"
    & skf18("5","2","5","1","7","1","1") = "6"
    & skf18("5","2","5","1","7","2","1") = "6"
    & skf18("5","2","5","1","7","3","1") = "6"
    & skf18("5","2","5","1","7","4","1") = "6"
    & skf18("5","2","5","1","7","5","1") = "6"
    & skf18("5","2","5","1","7","6","1") = "6"
    & skf18("5","2","5","1","7","7","1") = "6"
    & skf18("5","2","5","1","7","8","1") = "7"
    & skf18("5","2","5","1","7","9","1") = "8"
    & skf18("5","2","5","1","7","10","1") = "9"
    & skf18("5","2","5","1","8","1","1") = "7"
    & skf18("5","2","5","1","8","2","1") = "7"
    & skf18("5","2","5","1","8","3","1") = "7"
    & skf18("5","2","5","1","8","4","1") = "7"
    & skf18("5","2","5","1","8","5","1") = "7"
    & skf18("5","2","5","1","8","6","1") = "7"
    & skf18("5","2","5","1","8","7","1") = "7"
    & skf18("5","2","5","1","8","8","1") = "7"
    & skf18("5","2","5","1","8","9","1") = "8"
    & skf18("5","2","5","1","8","10","1") = "9"
    & skf18("5","2","5","1","9","1","1") = "8"
    & skf18("5","2","5","1","9","2","1") = "8"
    & skf18("5","2","5","1","9","3","1") = "8"
    & skf18("5","2","5","1","9","4","1") = "8"
    & skf18("5","2","5","1","9","5","1") = "8"
    & skf18("5","2","5","1","9","6","1") = "8"
    & skf18("5","2","5","1","9","7","1") = "8"
    & skf18("5","2","5","1","9","8","1") = "8"
    & skf18("5","2","5","1","9","9","1") = "8"
    & skf18("5","2","5","1","9","10","1") = "9"
    & skf18("5","2","5","1","10","1","1") = "9"
    & skf18("5","2","5","1","10","2","1") = "9"
    & skf18("5","2","5","1","10","3","1") = "9"
    & skf18("5","2","5","1","10","4","1") = "9"
    & skf18("5","2","5","1","10","5","1") = "9"
    & skf18("5","2","5","1","10","6","1") = "9"
    & skf18("5","2","5","1","10","7","1") = "9"
    & skf18("5","2","5","1","10","8","1") = "9"
    & skf18("5","2","5","1","10","9","1") = "9"
    & skf18("5","2","5","1","10","10","1") = "9"
    & skf18("5","2","5","2","1","1","1") = "4"
    & skf18("5","2","5","2","1","2","1") = "4"
    & skf18("5","2","5","2","1","3","1") = "4"
    & skf18("5","2","5","2","1","4","1") = "4"
    & skf18("5","2","5","2","1","5","1") = "4"
    & skf18("5","2","5","2","1","6","1") = "5"
    & skf18("5","2","5","2","1","7","1") = "6"
    & skf18("5","2","5","2","1","8","1") = "7"
    & skf18("5","2","5","2","1","9","1") = "8"
    & skf18("5","2","5","2","1","10","1") = "9"
    & skf18("5","2","5","2","2","1","1") = "4"
    & skf18("5","2","5","2","2","2","1") = "4"
    & skf18("5","2","5","2","2","3","1") = "4"
    & skf18("5","2","5","2","2","4","1") = "4"
    & skf18("5","2","5","2","2","5","1") = "4"
    & skf18("5","2","5","2","2","6","1") = "5"
    & skf18("5","2","5","2","2","7","1") = "6"
    & skf18("5","2","5","2","2","8","1") = "7"
    & skf18("5","2","5","2","2","9","1") = "8"
    & skf18("5","2","5","2","2","10","1") = "9"
    & skf18("5","2","5","2","3","1","1") = "4"
    & skf18("5","2","5","2","3","2","1") = "4"
    & skf18("5","2","5","2","3","3","1") = "4"
    & skf18("5","2","5","2","3","4","1") = "4"
    & skf18("5","2","5","2","3","5","1") = "4"
    & skf18("5","2","5","2","3","6","1") = "5"
    & skf18("5","2","5","2","3","7","1") = "6"
    & skf18("5","2","5","2","3","8","1") = "7"
    & skf18("5","2","5","2","3","9","1") = "8"
    & skf18("5","2","5","2","3","10","1") = "9"
    & skf18("5","2","5","2","4","1","1") = "4"
    & skf18("5","2","5","2","4","2","1") = "4"
    & skf18("5","2","5","2","4","3","1") = "4"
    & skf18("5","2","5","2","4","4","1") = "4"
    & skf18("5","2","5","2","4","5","1") = "4"
    & skf18("5","2","5","2","4","6","1") = "5"
    & skf18("5","2","5","2","4","7","1") = "6"
    & skf18("5","2","5","2","4","8","1") = "7"
    & skf18("5","2","5","2","4","9","1") = "8"
    & skf18("5","2","5","2","4","10","1") = "9"
    & skf18("5","2","5","2","5","1","1") = "4"
    & skf18("5","2","5","2","5","2","1") = "4"
    & skf18("5","2","5","2","5","3","1") = "4"
    & skf18("5","2","5","2","5","4","1") = "4"
    & skf18("5","2","5","2","5","5","1") = "4"
    & skf18("5","2","5","2","5","6","1") = "5"
    & skf18("5","2","5","2","5","7","1") = "6"
    & skf18("5","2","5","2","5","8","1") = "7"
    & skf18("5","2","5","2","5","9","1") = "8"
    & skf18("5","2","5","2","5","10","1") = "9"
    & skf18("5","2","5","2","6","1","1") = "5"
    & skf18("5","2","5","2","6","2","1") = "5"
    & skf18("5","2","5","2","6","3","1") = "5"
    & skf18("5","2","5","2","6","4","1") = "5"
    & skf18("5","2","5","2","6","5","1") = "5"
    & skf18("5","2","5","2","6","6","1") = "5"
    & skf18("5","2","5","2","6","7","1") = "6"
    & skf18("5","2","5","2","6","8","1") = "7"
    & skf18("5","2","5","2","6","9","1") = "8"
    & skf18("5","2","5","2","6","10","1") = "9"
    & skf18("5","2","5","2","7","1","1") = "6"
    & skf18("5","2","5","2","7","2","1") = "6"
    & skf18("5","2","5","2","7","3","1") = "6"
    & skf18("5","2","5","2","7","4","1") = "6"
    & skf18("5","2","5","2","7","5","1") = "6"
    & skf18("5","2","5","2","7","6","1") = "6"
    & skf18("5","2","5","2","7","7","1") = "6"
    & skf18("5","2","5","2","7","8","1") = "7"
    & skf18("5","2","5","2","7","9","1") = "8"
    & skf18("5","2","5","2","7","10","1") = "9"
    & skf18("5","2","5","2","8","1","1") = "7"
    & skf18("5","2","5","2","8","2","1") = "7"
    & skf18("5","2","5","2","8","3","1") = "7"
    & skf18("5","2","5","2","8","4","1") = "7"
    & skf18("5","2","5","2","8","5","1") = "7"
    & skf18("5","2","5","2","8","6","1") = "7"
    & skf18("5","2","5","2","8","7","1") = "7"
    & skf18("5","2","5","2","8","8","1") = "7"
    & skf18("5","2","5","2","8","9","1") = "8"
    & skf18("5","2","5","2","8","10","1") = "9"
    & skf18("5","2","5","2","9","1","1") = "8"
    & skf18("5","2","5","2","9","2","1") = "8"
    & skf18("5","2","5","2","9","3","1") = "8"
    & skf18("5","2","5","2","9","4","1") = "8"
    & skf18("5","2","5","2","9","5","1") = "8"
    & skf18("5","2","5","2","9","6","1") = "8"
    & skf18("5","2","5","2","9","7","1") = "8"
    & skf18("5","2","5","2","9","8","1") = "8"
    & skf18("5","2","5","2","9","9","1") = "8"
    & skf18("5","2","5","2","9","10","1") = "9"
    & skf18("5","2","5","2","10","1","1") = "9"
    & skf18("5","2","5","2","10","2","1") = "9"
    & skf18("5","2","5","2","10","3","1") = "9"
    & skf18("5","2","5","2","10","4","1") = "9"
    & skf18("5","2","5","2","10","5","1") = "9"
    & skf18("5","2","5","2","10","6","1") = "9"
    & skf18("5","2","5","2","10","7","1") = "9"
    & skf18("5","2","5","2","10","8","1") = "9"
    & skf18("5","2","5","2","10","9","1") = "9"
    & skf18("5","2","5","2","10","10","1") = "9"
    & skf18("5","2","5","3","1","1","1") = "4"
    & skf18("5","2","5","3","1","2","1") = "4"
    & skf18("5","2","5","3","1","3","1") = "4"
    & skf18("5","2","5","3","1","4","1") = "4"
    & skf18("5","2","5","3","1","5","1") = "4"
    & skf18("5","2","5","3","1","6","1") = "5"
    & skf18("5","2","5","3","1","7","1") = "6"
    & skf18("5","2","5","3","1","8","1") = "7"
    & skf18("5","2","5","3","1","9","1") = "8"
    & skf18("5","2","5","3","1","10","1") = "9"
    & skf18("5","2","5","3","2","1","1") = "4"
    & skf18("5","2","5","3","2","2","1") = "4"
    & skf18("5","2","5","3","2","3","1") = "4"
    & skf18("5","2","5","3","2","4","1") = "4"
    & skf18("5","2","5","3","2","5","1") = "4"
    & skf18("5","2","5","3","2","6","1") = "5"
    & skf18("5","2","5","3","2","7","1") = "6"
    & skf18("5","2","5","3","2","8","1") = "7"
    & skf18("5","2","5","3","2","9","1") = "8"
    & skf18("5","2","5","3","2","10","1") = "9"
    & skf18("5","2","5","3","3","1","1") = "4"
    & skf18("5","2","5","3","3","2","1") = "4"
    & skf18("5","2","5","3","3","3","1") = "4"
    & skf18("5","2","5","3","3","4","1") = "4"
    & skf18("5","2","5","3","3","5","1") = "4"
    & skf18("5","2","5","3","3","6","1") = "5"
    & skf18("5","2","5","3","3","7","1") = "6"
    & skf18("5","2","5","3","3","8","1") = "7"
    & skf18("5","2","5","3","3","9","1") = "8"
    & skf18("5","2","5","3","3","10","1") = "9"
    & skf18("5","2","5","3","4","1","1") = "4"
    & skf18("5","2","5","3","4","2","1") = "4"
    & skf18("5","2","5","3","4","3","1") = "4"
    & skf18("5","2","5","3","4","4","1") = "4"
    & skf18("5","2","5","3","4","5","1") = "4"
    & skf18("5","2","5","3","4","6","1") = "5"
    & skf18("5","2","5","3","4","7","1") = "6"
    & skf18("5","2","5","3","4","8","1") = "7"
    & skf18("5","2","5","3","4","9","1") = "8"
    & skf18("5","2","5","3","4","10","1") = "9"
    & skf18("5","2","5","3","5","1","1") = "4"
    & skf18("5","2","5","3","5","2","1") = "4"
    & skf18("5","2","5","3","5","3","1") = "4"
    & skf18("5","2","5","3","5","4","1") = "4"
    & skf18("5","2","5","3","5","5","1") = "4"
    & skf18("5","2","5","3","5","6","1") = "5"
    & skf18("5","2","5","3","5","7","1") = "6"
    & skf18("5","2","5","3","5","8","1") = "7"
    & skf18("5","2","5","3","5","9","1") = "8"
    & skf18("5","2","5","3","5","10","1") = "9"
    & skf18("5","2","5","3","6","1","1") = "5"
    & skf18("5","2","5","3","6","2","1") = "5"
    & skf18("5","2","5","3","6","3","1") = "5"
    & skf18("5","2","5","3","6","4","1") = "5"
    & skf18("5","2","5","3","6","5","1") = "5"
    & skf18("5","2","5","3","6","6","1") = "5"
    & skf18("5","2","5","3","6","7","1") = "6"
    & skf18("5","2","5","3","6","8","1") = "7"
    & skf18("5","2","5","3","6","9","1") = "8"
    & skf18("5","2","5","3","6","10","1") = "9"
    & skf18("5","2","5","3","7","1","1") = "6"
    & skf18("5","2","5","3","7","2","1") = "6"
    & skf18("5","2","5","3","7","3","1") = "6"
    & skf18("5","2","5","3","7","4","1") = "6"
    & skf18("5","2","5","3","7","5","1") = "6"
    & skf18("5","2","5","3","7","6","1") = "6"
    & skf18("5","2","5","3","7","7","1") = "6"
    & skf18("5","2","5","3","7","8","1") = "7"
    & skf18("5","2","5","3","7","9","1") = "8"
    & skf18("5","2","5","3","7","10","1") = "9"
    & skf18("5","2","5","3","8","1","1") = "7"
    & skf18("5","2","5","3","8","2","1") = "7"
    & skf18("5","2","5","3","8","3","1") = "7"
    & skf18("5","2","5","3","8","4","1") = "7"
    & skf18("5","2","5","3","8","5","1") = "7"
    & skf18("5","2","5","3","8","6","1") = "7"
    & skf18("5","2","5","3","8","7","1") = "7"
    & skf18("5","2","5","3","8","8","1") = "7"
    & skf18("5","2","5","3","8","9","1") = "8"
    & skf18("5","2","5","3","8","10","1") = "9"
    & skf18("5","2","5","3","9","1","1") = "8"
    & skf18("5","2","5","3","9","2","1") = "8"
    & skf18("5","2","5","3","9","3","1") = "8"
    & skf18("5","2","5","3","9","4","1") = "8"
    & skf18("5","2","5","3","9","5","1") = "8"
    & skf18("5","2","5","3","9","6","1") = "8"
    & skf18("5","2","5","3","9","7","1") = "8"
    & skf18("5","2","5","3","9","8","1") = "8"
    & skf18("5","2","5","3","9","9","1") = "8"
    & skf18("5","2","5","3","9","10","1") = "9"
    & skf18("5","2","5","3","10","1","1") = "9"
    & skf18("5","2","5","3","10","2","1") = "9"
    & skf18("5","2","5","3","10","3","1") = "9"
    & skf18("5","2","5","3","10","4","1") = "9"
    & skf18("5","2","5","3","10","5","1") = "9"
    & skf18("5","2","5","3","10","6","1") = "9"
    & skf18("5","2","5","3","10","7","1") = "9"
    & skf18("5","2","5","3","10","8","1") = "9"
    & skf18("5","2","5","3","10","9","1") = "9"
    & skf18("5","2","5","3","10","10","1") = "9"
    & skf18("5","2","5","4","1","1","1") = "4"
    & skf18("5","2","5","4","1","2","1") = "4"
    & skf18("5","2","5","4","1","3","1") = "4"
    & skf18("5","2","5","4","1","4","1") = "4"
    & skf18("5","2","5","4","1","5","1") = "4"
    & skf18("5","2","5","4","1","6","1") = "5"
    & skf18("5","2","5","4","1","7","1") = "6"
    & skf18("5","2","5","4","1","8","1") = "7"
    & skf18("5","2","5","4","1","9","1") = "8"
    & skf18("5","2","5","4","1","10","1") = "9"
    & skf18("5","2","5","4","2","1","1") = "4"
    & skf18("5","2","5","4","2","2","1") = "4"
    & skf18("5","2","5","4","2","3","1") = "4"
    & skf18("5","2","5","4","2","4","1") = "4"
    & skf18("5","2","5","4","2","5","1") = "4"
    & skf18("5","2","5","4","2","6","1") = "5"
    & skf18("5","2","5","4","2","7","1") = "6"
    & skf18("5","2","5","4","2","8","1") = "7"
    & skf18("5","2","5","4","2","9","1") = "8"
    & skf18("5","2","5","4","2","10","1") = "9"
    & skf18("5","2","5","4","3","1","1") = "4"
    & skf18("5","2","5","4","3","2","1") = "4"
    & skf18("5","2","5","4","3","3","1") = "4"
    & skf18("5","2","5","4","3","4","1") = "4"
    & skf18("5","2","5","4","3","5","1") = "4"
    & skf18("5","2","5","4","3","6","1") = "5"
    & skf18("5","2","5","4","3","7","1") = "6"
    & skf18("5","2","5","4","3","8","1") = "7"
    & skf18("5","2","5","4","3","9","1") = "8"
    & skf18("5","2","5","4","3","10","1") = "9"
    & skf18("5","2","5","4","4","1","1") = "4"
    & skf18("5","2","5","4","4","2","1") = "4"
    & skf18("5","2","5","4","4","3","1") = "4"
    & skf18("5","2","5","4","4","4","1") = "4"
    & skf18("5","2","5","4","4","5","1") = "4"
    & skf18("5","2","5","4","4","6","1") = "5"
    & skf18("5","2","5","4","4","7","1") = "6"
    & skf18("5","2","5","4","4","8","1") = "7"
    & skf18("5","2","5","4","4","9","1") = "8"
    & skf18("5","2","5","4","4","10","1") = "9"
    & skf18("5","2","5","4","5","1","1") = "4"
    & skf18("5","2","5","4","5","2","1") = "4"
    & skf18("5","2","5","4","5","3","1") = "4"
    & skf18("5","2","5","4","5","4","1") = "4"
    & skf18("5","2","5","4","5","5","1") = "4"
    & skf18("5","2","5","4","5","6","1") = "5"
    & skf18("5","2","5","4","5","7","1") = "6"
    & skf18("5","2","5","4","5","8","1") = "7"
    & skf18("5","2","5","4","5","9","1") = "8"
    & skf18("5","2","5","4","5","10","1") = "9"
    & skf18("5","2","5","4","6","1","1") = "5"
    & skf18("5","2","5","4","6","2","1") = "5"
    & skf18("5","2","5","4","6","3","1") = "5"
    & skf18("5","2","5","4","6","4","1") = "5"
    & skf18("5","2","5","4","6","5","1") = "5"
    & skf18("5","2","5","4","6","6","1") = "5"
    & skf18("5","2","5","4","6","7","1") = "6"
    & skf18("5","2","5","4","6","8","1") = "7"
    & skf18("5","2","5","4","6","9","1") = "8"
    & skf18("5","2","5","4","6","10","1") = "9"
    & skf18("5","2","5","4","7","1","1") = "6"
    & skf18("5","2","5","4","7","2","1") = "6"
    & skf18("5","2","5","4","7","3","1") = "6"
    & skf18("5","2","5","4","7","4","1") = "6"
    & skf18("5","2","5","4","7","5","1") = "6"
    & skf18("5","2","5","4","7","6","1") = "6"
    & skf18("5","2","5","4","7","7","1") = "6"
    & skf18("5","2","5","4","7","8","1") = "7"
    & skf18("5","2","5","4","7","9","1") = "8"
    & skf18("5","2","5","4","7","10","1") = "9"
    & skf18("5","2","5","4","8","1","1") = "7"
    & skf18("5","2","5","4","8","2","1") = "7"
    & skf18("5","2","5","4","8","3","1") = "7"
    & skf18("5","2","5","4","8","4","1") = "7"
    & skf18("5","2","5","4","8","5","1") = "7"
    & skf18("5","2","5","4","8","6","1") = "7"
    & skf18("5","2","5","4","8","7","1") = "7"
    & skf18("5","2","5","4","8","8","1") = "7"
    & skf18("5","2","5","4","8","9","1") = "8"
    & skf18("5","2","5","4","8","10","1") = "9"
    & skf18("5","2","5","4","9","1","1") = "8"
    & skf18("5","2","5","4","9","2","1") = "8"
    & skf18("5","2","5","4","9","3","1") = "8"
    & skf18("5","2","5","4","9","4","1") = "8"
    & skf18("5","2","5","4","9","5","1") = "8"
    & skf18("5","2","5","4","9","6","1") = "8"
    & skf18("5","2","5","4","9","7","1") = "8"
    & skf18("5","2","5","4","9","8","1") = "8"
    & skf18("5","2","5","4","9","9","1") = "8"
    & skf18("5","2","5","4","9","10","1") = "9"
    & skf18("5","2","5","4","10","1","1") = "9"
    & skf18("5","2","5","4","10","2","1") = "9"
    & skf18("5","2","5","4","10","3","1") = "9"
    & skf18("5","2","5","4","10","4","1") = "9"
    & skf18("5","2","5","4","10","5","1") = "9"
    & skf18("5","2","5","4","10","6","1") = "9"
    & skf18("5","2","5","4","10","7","1") = "9"
    & skf18("5","2","5","4","10","8","1") = "9"
    & skf18("5","2","5","4","10","9","1") = "9"
    & skf18("5","2","5","4","10","10","1") = "9"
    & skf18("5","2","5","5","1","1","1") = "4"
    & skf18("5","2","5","5","1","2","1") = "4"
    & skf18("5","2","5","5","1","3","1") = "4"
    & skf18("5","2","5","5","1","4","1") = "4"
    & skf18("5","2","5","5","1","5","1") = "4"
    & skf18("5","2","5","5","1","6","1") = "5"
    & skf18("5","2","5","5","1","7","1") = "6"
    & skf18("5","2","5","5","1","8","1") = "7"
    & skf18("5","2","5","5","1","9","1") = "8"
    & skf18("5","2","5","5","1","10","1") = "9"
    & skf18("5","2","5","5","2","1","1") = "4"
    & skf18("5","2","5","5","2","2","1") = "4"
    & skf18("5","2","5","5","2","3","1") = "4"
    & skf18("5","2","5","5","2","4","1") = "4"
    & skf18("5","2","5","5","2","5","1") = "4"
    & skf18("5","2","5","5","2","6","1") = "5"
    & skf18("5","2","5","5","2","7","1") = "6"
    & skf18("5","2","5","5","2","8","1") = "7"
    & skf18("5","2","5","5","2","9","1") = "8"
    & skf18("5","2","5","5","2","10","1") = "9"
    & skf18("5","2","5","5","3","1","1") = "4"
    & skf18("5","2","5","5","3","2","1") = "4"
    & skf18("5","2","5","5","3","3","1") = "4"
    & skf18("5","2","5","5","3","4","1") = "4"
    & skf18("5","2","5","5","3","5","1") = "4"
    & skf18("5","2","5","5","3","6","1") = "5"
    & skf18("5","2","5","5","3","7","1") = "6"
    & skf18("5","2","5","5","3","8","1") = "7"
    & skf18("5","2","5","5","3","9","1") = "8"
    & skf18("5","2","5","5","3","10","1") = "9"
    & skf18("5","2","5","5","4","1","1") = "4"
    & skf18("5","2","5","5","4","2","1") = "4"
    & skf18("5","2","5","5","4","3","1") = "4"
    & skf18("5","2","5","5","4","4","1") = "4"
    & skf18("5","2","5","5","4","5","1") = "4"
    & skf18("5","2","5","5","4","6","1") = "5"
    & skf18("5","2","5","5","4","7","1") = "6"
    & skf18("5","2","5","5","4","8","1") = "7"
    & skf18("5","2","5","5","4","9","1") = "8"
    & skf18("5","2","5","5","4","10","1") = "9"
    & skf18("5","2","5","5","5","1","1") = "4"
    & skf18("5","2","5","5","5","2","1") = "4"
    & skf18("5","2","5","5","5","3","1") = "4"
    & skf18("5","2","5","5","5","4","1") = "4"
    & skf18("5","2","5","5","5","5","1") = "4"
    & skf18("5","2","5","5","5","6","1") = "5"
    & skf18("5","2","5","5","5","7","1") = "6"
    & skf18("5","2","5","5","5","8","1") = "7"
    & skf18("5","2","5","5","5","9","1") = "8"
    & skf18("5","2","5","5","5","10","1") = "9"
    & skf18("5","2","5","5","6","1","1") = "5"
    & skf18("5","2","5","5","6","2","1") = "5"
    & skf18("5","2","5","5","6","3","1") = "5"
    & skf18("5","2","5","5","6","4","1") = "5"
    & skf18("5","2","5","5","6","5","1") = "5"
    & skf18("5","2","5","5","6","6","1") = "5"
    & skf18("5","2","5","5","6","7","1") = "6"
    & skf18("5","2","5","5","6","8","1") = "7"
    & skf18("5","2","5","5","6","9","1") = "8"
    & skf18("5","2","5","5","6","10","1") = "9"
    & skf18("5","2","5","5","7","1","1") = "6"
    & skf18("5","2","5","5","7","2","1") = "6"
    & skf18("5","2","5","5","7","3","1") = "6"
    & skf18("5","2","5","5","7","4","1") = "6"
    & skf18("5","2","5","5","7","5","1") = "6"
    & skf18("5","2","5","5","7","6","1") = "6"
    & skf18("5","2","5","5","7","7","1") = "6"
    & skf18("5","2","5","5","7","8","1") = "7"
    & skf18("5","2","5","5","7","9","1") = "8"
    & skf18("5","2","5","5","7","10","1") = "9"
    & skf18("5","2","5","5","8","1","1") = "7"
    & skf18("5","2","5","5","8","2","1") = "7"
    & skf18("5","2","5","5","8","3","1") = "7"
    & skf18("5","2","5","5","8","4","1") = "7"
    & skf18("5","2","5","5","8","5","1") = "7"
    & skf18("5","2","5","5","8","6","1") = "7"
    & skf18("5","2","5","5","8","7","1") = "7"
    & skf18("5","2","5","5","8","8","1") = "7"
    & skf18("5","2","5","5","8","9","1") = "8"
    & skf18("5","2","5","5","8","10","1") = "9"
    & skf18("5","2","5","5","9","1","1") = "8"
    & skf18("5","2","5","5","9","2","1") = "8"
    & skf18("5","2","5","5","9","3","1") = "8"
    & skf18("5","2","5","5","9","4","1") = "8"
    & skf18("5","2","5","5","9","5","1") = "8"
    & skf18("5","2","5","5","9","6","1") = "8"
    & skf18("5","2","5","5","9","7","1") = "8"
    & skf18("5","2","5","5","9","8","1") = "8"
    & skf18("5","2","5","5","9","9","1") = "8"
    & skf18("5","2","5","5","9","10","1") = "9"
    & skf18("5","2","5","5","10","1","1") = "9"
    & skf18("5","2","5","5","10","2","1") = "9"
    & skf18("5","2","5","5","10","3","1") = "9"
    & skf18("5","2","5","5","10","4","1") = "9"
    & skf18("5","2","5","5","10","5","1") = "9"
    & skf18("5","2","5","5","10","6","1") = "9"
    & skf18("5","2","5","5","10","7","1") = "9"
    & skf18("5","2","5","5","10","8","1") = "9"
    & skf18("5","2","5","5","10","9","1") = "9"
    & skf18("5","2","5","5","10","10","1") = "9"
    & skf18("5","2","5","6","1","1","1") = "5"
    & skf18("5","2","5","6","1","2","1") = "5"
    & skf18("5","2","5","6","1","3","1") = "5"
    & skf18("5","2","5","6","1","4","1") = "5"
    & skf18("5","2","5","6","1","5","1") = "5"
    & skf18("5","2","5","6","1","6","1") = "5"
    & skf18("5","2","5","6","1","7","1") = "6"
    & skf18("5","2","5","6","1","8","1") = "7"
    & skf18("5","2","5","6","1","9","1") = "8"
    & skf18("5","2","5","6","1","10","1") = "9"
    & skf18("5","2","5","6","2","1","1") = "5"
    & skf18("5","2","5","6","2","2","1") = "5"
    & skf18("5","2","5","6","2","3","1") = "5"
    & skf18("5","2","5","6","2","4","1") = "5"
    & skf18("5","2","5","6","2","5","1") = "5"
    & skf18("5","2","5","6","2","6","1") = "5"
    & skf18("5","2","5","6","2","7","1") = "6"
    & skf18("5","2","5","6","2","8","1") = "7"
    & skf18("5","2","5","6","2","9","1") = "8"
    & skf18("5","2","5","6","2","10","1") = "9"
    & skf18("5","2","5","6","3","1","1") = "5"
    & skf18("5","2","5","6","3","2","1") = "5"
    & skf18("5","2","5","6","3","3","1") = "5"
    & skf18("5","2","5","6","3","4","1") = "5"
    & skf18("5","2","5","6","3","5","1") = "5"
    & skf18("5","2","5","6","3","6","1") = "5"
    & skf18("5","2","5","6","3","7","1") = "6"
    & skf18("5","2","5","6","3","8","1") = "7"
    & skf18("5","2","5","6","3","9","1") = "8"
    & skf18("5","2","5","6","3","10","1") = "9"
    & skf18("5","2","5","6","4","1","1") = "5"
    & skf18("5","2","5","6","4","2","1") = "5"
    & skf18("5","2","5","6","4","3","1") = "5"
    & skf18("5","2","5","6","4","4","1") = "5"
    & skf18("5","2","5","6","4","5","1") = "5"
    & skf18("5","2","5","6","4","6","1") = "5"
    & skf18("5","2","5","6","4","7","1") = "6"
    & skf18("5","2","5","6","4","8","1") = "7"
    & skf18("5","2","5","6","4","9","1") = "8"
    & skf18("5","2","5","6","4","10","1") = "9"
    & skf18("5","2","5","6","5","1","1") = "5"
    & skf18("5","2","5","6","5","2","1") = "5"
    & skf18("5","2","5","6","5","3","1") = "5"
    & skf18("5","2","5","6","5","4","1") = "5"
    & skf18("5","2","5","6","5","5","1") = "5"
    & skf18("5","2","5","6","5","6","1") = "5"
    & skf18("5","2","5","6","5","7","1") = "6"
    & skf18("5","2","5","6","5","8","1") = "7"
    & skf18("5","2","5","6","5","9","1") = "8"
    & skf18("5","2","5","6","5","10","1") = "9"
    & skf18("5","2","5","6","6","1","1") = "5"
    & skf18("5","2","5","6","6","2","1") = "5"
    & skf18("5","2","5","6","6","3","1") = "5"
    & skf18("5","2","5","6","6","4","1") = "5"
    & skf18("5","2","5","6","6","5","1") = "5"
    & skf18("5","2","5","6","6","6","1") = "5"
    & skf18("5","2","5","6","6","7","1") = "6"
    & skf18("5","2","5","6","6","8","1") = "7"
    & skf18("5","2","5","6","6","9","1") = "8"
    & skf18("5","2","5","6","6","10","1") = "9"
    & skf18("5","2","5","6","7","1","1") = "6"
    & skf18("5","2","5","6","7","2","1") = "6"
    & skf18("5","2","5","6","7","3","1") = "6"
    & skf18("5","2","5","6","7","4","1") = "6"
    & skf18("5","2","5","6","7","5","1") = "6"
    & skf18("5","2","5","6","7","6","1") = "6"
    & skf18("5","2","5","6","7","7","1") = "6"
    & skf18("5","2","5","6","7","8","1") = "7"
    & skf18("5","2","5","6","7","9","1") = "8"
    & skf18("5","2","5","6","7","10","1") = "9"
    & skf18("5","2","5","6","8","1","1") = "7"
    & skf18("5","2","5","6","8","2","1") = "7"
    & skf18("5","2","5","6","8","3","1") = "7"
    & skf18("5","2","5","6","8","4","1") = "7"
    & skf18("5","2","5","6","8","5","1") = "7"
    & skf18("5","2","5","6","8","6","1") = "7"
    & skf18("5","2","5","6","8","7","1") = "7"
    & skf18("5","2","5","6","8","8","1") = "7"
    & skf18("5","2","5","6","8","9","1") = "8"
    & skf18("5","2","5","6","8","10","1") = "9"
    & skf18("5","2","5","6","9","1","1") = "8"
    & skf18("5","2","5","6","9","2","1") = "8"
    & skf18("5","2","5","6","9","3","1") = "8"
    & skf18("5","2","5","6","9","4","1") = "8"
    & skf18("5","2","5","6","9","5","1") = "8"
    & skf18("5","2","5","6","9","6","1") = "8"
    & skf18("5","2","5","6","9","7","1") = "8"
    & skf18("5","2","5","6","9","8","1") = "8"
    & skf18("5","2","5","6","9","9","1") = "8"
    & skf18("5","2","5","6","9","10","1") = "9"
    & skf18("5","2","5","6","10","1","1") = "9"
    & skf18("5","2","5","6","10","2","1") = "9"
    & skf18("5","2","5","6","10","3","1") = "9"
    & skf18("5","2","5","6","10","4","1") = "9"
    & skf18("5","2","5","6","10","5","1") = "9"
    & skf18("5","2","5","6","10","6","1") = "9"
    & skf18("5","2","5","6","10","7","1") = "9"
    & skf18("5","2","5","6","10","8","1") = "9"
    & skf18("5","2","5","6","10","9","1") = "9"
    & skf18("5","2","5","6","10","10","1") = "9"
    & skf18("5","2","5","7","1","1","1") = "6"
    & skf18("5","2","5","7","1","2","1") = "6"
    & skf18("5","2","5","7","1","3","1") = "6"
    & skf18("5","2","5","7","1","4","1") = "6"
    & skf18("5","2","5","7","1","5","1") = "6"
    & skf18("5","2","5","7","1","6","1") = "6"
    & skf18("5","2","5","7","1","7","1") = "6"
    & skf18("5","2","5","7","1","8","1") = "7"
    & skf18("5","2","5","7","1","9","1") = "8"
    & skf18("5","2","5","7","1","10","1") = "9"
    & skf18("5","2","5","7","2","1","1") = "6"
    & skf18("5","2","5","7","2","2","1") = "6"
    & skf18("5","2","5","7","2","3","1") = "6"
    & skf18("5","2","5","7","2","4","1") = "6"
    & skf18("5","2","5","7","2","5","1") = "6"
    & skf18("5","2","5","7","2","6","1") = "6"
    & skf18("5","2","5","7","2","7","1") = "6"
    & skf18("5","2","5","7","2","8","1") = "7"
    & skf18("5","2","5","7","2","9","1") = "8"
    & skf18("5","2","5","7","2","10","1") = "9"
    & skf18("5","2","5","7","3","1","1") = "6"
    & skf18("5","2","5","7","3","2","1") = "6"
    & skf18("5","2","5","7","3","3","1") = "6"
    & skf18("5","2","5","7","3","4","1") = "6"
    & skf18("5","2","5","7","3","5","1") = "6"
    & skf18("5","2","5","7","3","6","1") = "6"
    & skf18("5","2","5","7","3","7","1") = "6"
    & skf18("5","2","5","7","3","8","1") = "7"
    & skf18("5","2","5","7","3","9","1") = "8"
    & skf18("5","2","5","7","3","10","1") = "9"
    & skf18("5","2","5","7","4","1","1") = "6"
    & skf18("5","2","5","7","4","2","1") = "6"
    & skf18("5","2","5","7","4","3","1") = "6"
    & skf18("5","2","5","7","4","4","1") = "6"
    & skf18("5","2","5","7","4","5","1") = "6"
    & skf18("5","2","5","7","4","6","1") = "6"
    & skf18("5","2","5","7","4","7","1") = "6"
    & skf18("5","2","5","7","4","8","1") = "7"
    & skf18("5","2","5","7","4","9","1") = "8"
    & skf18("5","2","5","7","4","10","1") = "9"
    & skf18("5","2","5","7","5","1","1") = "6"
    & skf18("5","2","5","7","5","2","1") = "6"
    & skf18("5","2","5","7","5","3","1") = "6"
    & skf18("5","2","5","7","5","4","1") = "6"
    & skf18("5","2","5","7","5","5","1") = "6"
    & skf18("5","2","5","7","5","6","1") = "6"
    & skf18("5","2","5","7","5","7","1") = "6"
    & skf18("5","2","5","7","5","8","1") = "7"
    & skf18("5","2","5","7","5","9","1") = "8"
    & skf18("5","2","5","7","5","10","1") = "9"
    & skf18("5","2","5","7","6","1","1") = "6"
    & skf18("5","2","5","7","6","2","1") = "6"
    & skf18("5","2","5","7","6","3","1") = "6"
    & skf18("5","2","5","7","6","4","1") = "6"
    & skf18("5","2","5","7","6","5","1") = "6"
    & skf18("5","2","5","7","6","6","1") = "6"
    & skf18("5","2","5","7","6","7","1") = "6"
    & skf18("5","2","5","7","6","8","1") = "7"
    & skf18("5","2","5","7","6","9","1") = "8"
    & skf18("5","2","5","7","6","10","1") = "9"
    & skf18("5","2","5","7","7","1","1") = "6"
    & skf18("5","2","5","7","7","2","1") = "6"
    & skf18("5","2","5","7","7","3","1") = "6"
    & skf18("5","2","5","7","7","4","1") = "6"
    & skf18("5","2","5","7","7","5","1") = "6"
    & skf18("5","2","5","7","7","6","1") = "6"
    & skf18("5","2","5","7","7","7","1") = "6"
    & skf18("5","2","5","7","7","8","1") = "7"
    & skf18("5","2","5","7","7","9","1") = "8"
    & skf18("5","2","5","7","7","10","1") = "9"
    & skf18("5","2","5","7","8","1","1") = "7"
    & skf18("5","2","5","7","8","2","1") = "7"
    & skf18("5","2","5","7","8","3","1") = "7"
    & skf18("5","2","5","7","8","4","1") = "7"
    & skf18("5","2","5","7","8","5","1") = "7"
    & skf18("5","2","5","7","8","6","1") = "7"
    & skf18("5","2","5","7","8","7","1") = "7"
    & skf18("5","2","5","7","8","8","1") = "7"
    & skf18("5","2","5","7","8","9","1") = "8"
    & skf18("5","2","5","7","8","10","1") = "9"
    & skf18("5","2","5","7","9","1","1") = "8"
    & skf18("5","2","5","7","9","2","1") = "8"
    & skf18("5","2","5","7","9","3","1") = "8"
    & skf18("5","2","5","7","9","4","1") = "8"
    & skf18("5","2","5","7","9","5","1") = "8"
    & skf18("5","2","5","7","9","6","1") = "8"
    & skf18("5","2","5","7","9","7","1") = "8"
    & skf18("5","2","5","7","9","8","1") = "8"
    & skf18("5","2","5","7","9","9","1") = "8"
    & skf18("5","2","5","7","9","10","1") = "9"
    & skf18("5","2","5","7","10","1","1") = "9"
    & skf18("5","2","5","7","10","2","1") = "9"
    & skf18("5","2","5","7","10","3","1") = "9"
    & skf18("5","2","5","7","10","4","1") = "9"
    & skf18("5","2","5","7","10","5","1") = "9"
    & skf18("5","2","5","7","10","6","1") = "9"
    & skf18("5","2","5","7","10","7","1") = "9"
    & skf18("5","2","5","7","10","8","1") = "9"
    & skf18("5","2","5","7","10","9","1") = "9"
    & skf18("5","2","5","7","10","10","1") = "9"
    & skf18("5","2","5","8","1","1","1") = "7"
    & skf18("5","2","5","8","1","2","1") = "7"
    & skf18("5","2","5","8","1","3","1") = "7"
    & skf18("5","2","5","8","1","4","1") = "7"
    & skf18("5","2","5","8","1","5","1") = "7"
    & skf18("5","2","5","8","1","6","1") = "7"
    & skf18("5","2","5","8","1","7","1") = "7"
    & skf18("5","2","5","8","1","8","1") = "7"
    & skf18("5","2","5","8","1","9","1") = "8"
    & skf18("5","2","5","8","1","10","1") = "9"
    & skf18("5","2","5","8","2","1","1") = "7"
    & skf18("5","2","5","8","2","2","1") = "7"
    & skf18("5","2","5","8","2","3","1") = "7"
    & skf18("5","2","5","8","2","4","1") = "7"
    & skf18("5","2","5","8","2","5","1") = "7"
    & skf18("5","2","5","8","2","6","1") = "7"
    & skf18("5","2","5","8","2","7","1") = "7"
    & skf18("5","2","5","8","2","8","1") = "7"
    & skf18("5","2","5","8","2","9","1") = "8"
    & skf18("5","2","5","8","2","10","1") = "9"
    & skf18("5","2","5","8","3","1","1") = "7"
    & skf18("5","2","5","8","3","2","1") = "7"
    & skf18("5","2","5","8","3","3","1") = "7"
    & skf18("5","2","5","8","3","4","1") = "7"
    & skf18("5","2","5","8","3","5","1") = "7"
    & skf18("5","2","5","8","3","6","1") = "7"
    & skf18("5","2","5","8","3","7","1") = "7"
    & skf18("5","2","5","8","3","8","1") = "7"
    & skf18("5","2","5","8","3","9","1") = "8"
    & skf18("5","2","5","8","3","10","1") = "9"
    & skf18("5","2","5","8","4","1","1") = "7"
    & skf18("5","2","5","8","4","2","1") = "7"
    & skf18("5","2","5","8","4","3","1") = "7"
    & skf18("5","2","5","8","4","4","1") = "7"
    & skf18("5","2","5","8","4","5","1") = "7"
    & skf18("5","2","5","8","4","6","1") = "7"
    & skf18("5","2","5","8","4","7","1") = "7"
    & skf18("5","2","5","8","4","8","1") = "7"
    & skf18("5","2","5","8","4","9","1") = "8"
    & skf18("5","2","5","8","4","10","1") = "9"
    & skf18("5","2","5","8","5","1","1") = "7"
    & skf18("5","2","5","8","5","2","1") = "7"
    & skf18("5","2","5","8","5","3","1") = "7"
    & skf18("5","2","5","8","5","4","1") = "7"
    & skf18("5","2","5","8","5","5","1") = "7"
    & skf18("5","2","5","8","5","6","1") = "7"
    & skf18("5","2","5","8","5","7","1") = "7"
    & skf18("5","2","5","8","5","8","1") = "7"
    & skf18("5","2","5","8","5","9","1") = "8"
    & skf18("5","2","5","8","5","10","1") = "9"
    & skf18("5","2","5","8","6","1","1") = "7"
    & skf18("5","2","5","8","6","2","1") = "7"
    & skf18("5","2","5","8","6","3","1") = "7"
    & skf18("5","2","5","8","6","4","1") = "7"
    & skf18("5","2","5","8","6","5","1") = "7"
    & skf18("5","2","5","8","6","6","1") = "7"
    & skf18("5","2","5","8","6","7","1") = "7"
    & skf18("5","2","5","8","6","8","1") = "7"
    & skf18("5","2","5","8","6","9","1") = "8"
    & skf18("5","2","5","8","6","10","1") = "9"
    & skf18("5","2","5","8","7","1","1") = "7"
    & skf18("5","2","5","8","7","2","1") = "7"
    & skf18("5","2","5","8","7","3","1") = "7"
    & skf18("5","2","5","8","7","4","1") = "7"
    & skf18("5","2","5","8","7","5","1") = "7"
    & skf18("5","2","5","8","7","6","1") = "7"
    & skf18("5","2","5","8","7","7","1") = "7"
    & skf18("5","2","5","8","7","8","1") = "7"
    & skf18("5","2","5","8","7","9","1") = "8"
    & skf18("5","2","5","8","7","10","1") = "9"
    & skf18("5","2","5","8","8","1","1") = "7"
    & skf18("5","2","5","8","8","2","1") = "7"
    & skf18("5","2","5","8","8","3","1") = "7"
    & skf18("5","2","5","8","8","4","1") = "7"
    & skf18("5","2","5","8","8","5","1") = "7"
    & skf18("5","2","5","8","8","6","1") = "7"
    & skf18("5","2","5","8","8","7","1") = "7"
    & skf18("5","2","5","8","8","8","1") = "7"
    & skf18("5","2","5","8","8","9","1") = "8"
    & skf18("5","2","5","8","8","10","1") = "9"
    & skf18("5","2","5","8","9","1","1") = "8"
    & skf18("5","2","5","8","9","2","1") = "8"
    & skf18("5","2","5","8","9","3","1") = "8"
    & skf18("5","2","5","8","9","4","1") = "8"
    & skf18("5","2","5","8","9","5","1") = "8"
    & skf18("5","2","5","8","9","6","1") = "8"
    & skf18("5","2","5","8","9","7","1") = "8"
    & skf18("5","2","5","8","9","8","1") = "8"
    & skf18("5","2","5","8","9","9","1") = "8"
    & skf18("5","2","5","8","9","10","1") = "9"
    & skf18("5","2","5","8","10","1","1") = "9"
    & skf18("5","2","5","8","10","2","1") = "9"
    & skf18("5","2","5","8","10","3","1") = "9"
    & skf18("5","2","5","8","10","4","1") = "9"
    & skf18("5","2","5","8","10","5","1") = "9"
    & skf18("5","2","5","8","10","6","1") = "9"
    & skf18("5","2","5","8","10","7","1") = "9"
    & skf18("5","2","5","8","10","8","1") = "9"
    & skf18("5","2","5","8","10","9","1") = "9"
    & skf18("5","2","5","8","10","10","1") = "9"
    & skf18("5","2","5","9","1","1","1") = "8"
    & skf18("5","2","5","9","1","2","1") = "8"
    & skf18("5","2","5","9","1","3","1") = "8"
    & skf18("5","2","5","9","1","4","1") = "8"
    & skf18("5","2","5","9","1","5","1") = "8"
    & skf18("5","2","5","9","1","6","1") = "8"
    & skf18("5","2","5","9","1","7","1") = "8"
    & skf18("5","2","5","9","1","8","1") = "8"
    & skf18("5","2","5","9","1","9","1") = "8"
    & skf18("5","2","5","9","1","10","1") = "9"
    & skf18("5","2","5","9","2","1","1") = "8"
    & skf18("5","2","5","9","2","2","1") = "8"
    & skf18("5","2","5","9","2","3","1") = "8"
    & skf18("5","2","5","9","2","4","1") = "8"
    & skf18("5","2","5","9","2","5","1") = "8"
    & skf18("5","2","5","9","2","6","1") = "8"
    & skf18("5","2","5","9","2","7","1") = "8"
    & skf18("5","2","5","9","2","8","1") = "8"
    & skf18("5","2","5","9","2","9","1") = "8"
    & skf18("5","2","5","9","2","10","1") = "9"
    & skf18("5","2","5","9","3","1","1") = "8"
    & skf18("5","2","5","9","3","2","1") = "8"
    & skf18("5","2","5","9","3","3","1") = "8"
    & skf18("5","2","5","9","3","4","1") = "8"
    & skf18("5","2","5","9","3","5","1") = "8"
    & skf18("5","2","5","9","3","6","1") = "8"
    & skf18("5","2","5","9","3","7","1") = "8"
    & skf18("5","2","5","9","3","8","1") = "8"
    & skf18("5","2","5","9","3","9","1") = "8"
    & skf18("5","2","5","9","3","10","1") = "9"
    & skf18("5","2","5","9","4","1","1") = "8"
    & skf18("5","2","5","9","4","2","1") = "8"
    & skf18("5","2","5","9","4","3","1") = "8"
    & skf18("5","2","5","9","4","4","1") = "8"
    & skf18("5","2","5","9","4","5","1") = "8"
    & skf18("5","2","5","9","4","6","1") = "8"
    & skf18("5","2","5","9","4","7","1") = "8"
    & skf18("5","2","5","9","4","8","1") = "8"
    & skf18("5","2","5","9","4","9","1") = "8"
    & skf18("5","2","5","9","4","10","1") = "9"
    & skf18("5","2","5","9","5","1","1") = "8"
    & skf18("5","2","5","9","5","2","1") = "8"
    & skf18("5","2","5","9","5","3","1") = "8"
    & skf18("5","2","5","9","5","4","1") = "8"
    & skf18("5","2","5","9","5","5","1") = "8"
    & skf18("5","2","5","9","5","6","1") = "8"
    & skf18("5","2","5","9","5","7","1") = "8"
    & skf18("5","2","5","9","5","8","1") = "8"
    & skf18("5","2","5","9","5","9","1") = "8"
    & skf18("5","2","5","9","5","10","1") = "9"
    & skf18("5","2","5","9","6","1","1") = "8"
    & skf18("5","2","5","9","6","2","1") = "8"
    & skf18("5","2","5","9","6","3","1") = "8"
    & skf18("5","2","5","9","6","4","1") = "8"
    & skf18("5","2","5","9","6","5","1") = "8"
    & skf18("5","2","5","9","6","6","1") = "8"
    & skf18("5","2","5","9","6","7","1") = "8"
    & skf18("5","2","5","9","6","8","1") = "8"
    & skf18("5","2","5","9","6","9","1") = "8"
    & skf18("5","2","5","9","6","10","1") = "9"
    & skf18("5","2","5","9","7","1","1") = "8"
    & skf18("5","2","5","9","7","2","1") = "8"
    & skf18("5","2","5","9","7","3","1") = "8"
    & skf18("5","2","5","9","7","4","1") = "8"
    & skf18("5","2","5","9","7","5","1") = "8"
    & skf18("5","2","5","9","7","6","1") = "8"
    & skf18("5","2","5","9","7","7","1") = "8"
    & skf18("5","2","5","9","7","8","1") = "8"
    & skf18("5","2","5","9","7","9","1") = "8"
    & skf18("5","2","5","9","7","10","1") = "9"
    & skf18("5","2","5","9","8","1","1") = "8"
    & skf18("5","2","5","9","8","2","1") = "8"
    & skf18("5","2","5","9","8","3","1") = "8"
    & skf18("5","2","5","9","8","4","1") = "8"
    & skf18("5","2","5","9","8","5","1") = "8"
    & skf18("5","2","5","9","8","6","1") = "8"
    & skf18("5","2","5","9","8","7","1") = "8"
    & skf18("5","2","5","9","8","8","1") = "8"
    & skf18("5","2","5","9","8","9","1") = "8"
    & skf18("5","2","5","9","8","10","1") = "9"
    & skf18("5","2","5","9","9","1","1") = "8"
    & skf18("5","2","5","9","9","2","1") = "8"
    & skf18("5","2","5","9","9","3","1") = "8"
    & skf18("5","2","5","9","9","4","1") = "8"
    & skf18("5","2","5","9","9","5","1") = "8"
    & skf18("5","2","5","9","9","6","1") = "8"
    & skf18("5","2","5","9","9","7","1") = "8"
    & skf18("5","2","5","9","9","8","1") = "8"
    & skf18("5","2","5","9","9","9","1") = "8"
    & skf18("5","2","5","9","9","10","1") = "9"
    & skf18("5","2","5","9","10","1","1") = "9"
    & skf18("5","2","5","9","10","2","1") = "9"
    & skf18("5","2","5","9","10","3","1") = "9"
    & skf18("5","2","5","9","10","4","1") = "9"
    & skf18("5","2","5","9","10","5","1") = "9"
    & skf18("5","2","5","9","10","6","1") = "9"
    & skf18("5","2","5","9","10","7","1") = "9"
    & skf18("5","2","5","9","10","8","1") = "9"
    & skf18("5","2","5","9","10","9","1") = "9"
    & skf18("5","2","5","9","10","10","1") = "9"
    & skf18("5","2","5","10","1","1","1") = "9"
    & skf18("5","2","5","10","1","2","1") = "9"
    & skf18("5","2","5","10","1","3","1") = "9"
    & skf18("5","2","5","10","1","4","1") = "9"
    & skf18("5","2","5","10","1","5","1") = "9"
    & skf18("5","2","5","10","1","6","1") = "9"
    & skf18("5","2","5","10","1","7","1") = "9"
    & skf18("5","2","5","10","1","8","1") = "9"
    & skf18("5","2","5","10","1","9","1") = "9"
    & skf18("5","2","5","10","1","10","1") = "9"
    & skf18("5","2","5","10","2","1","1") = "9"
    & skf18("5","2","5","10","2","2","1") = "9"
    & skf18("5","2","5","10","2","3","1") = "9"
    & skf18("5","2","5","10","2","4","1") = "9"
    & skf18("5","2","5","10","2","5","1") = "9"
    & skf18("5","2","5","10","2","6","1") = "9"
    & skf18("5","2","5","10","2","7","1") = "9"
    & skf18("5","2","5","10","2","8","1") = "9"
    & skf18("5","2","5","10","2","9","1") = "9"
    & skf18("5","2","5","10","2","10","1") = "9"
    & skf18("5","2","5","10","3","1","1") = "9"
    & skf18("5","2","5","10","3","2","1") = "9"
    & skf18("5","2","5","10","3","3","1") = "9"
    & skf18("5","2","5","10","3","4","1") = "9"
    & skf18("5","2","5","10","3","5","1") = "9"
    & skf18("5","2","5","10","3","6","1") = "9"
    & skf18("5","2","5","10","3","7","1") = "9"
    & skf18("5","2","5","10","3","8","1") = "9"
    & skf18("5","2","5","10","3","9","1") = "9"
    & skf18("5","2","5","10","3","10","1") = "9"
    & skf18("5","2","5","10","4","1","1") = "9"
    & skf18("5","2","5","10","4","2","1") = "9"
    & skf18("5","2","5","10","4","3","1") = "9"
    & skf18("5","2","5","10","4","4","1") = "9"
    & skf18("5","2","5","10","4","5","1") = "9"
    & skf18("5","2","5","10","4","6","1") = "9"
    & skf18("5","2","5","10","4","7","1") = "9"
    & skf18("5","2","5","10","4","8","1") = "9"
    & skf18("5","2","5","10","4","9","1") = "9"
    & skf18("5","2","5","10","4","10","1") = "9"
    & skf18("5","2","5","10","5","1","1") = "9"
    & skf18("5","2","5","10","5","2","1") = "9"
    & skf18("5","2","5","10","5","3","1") = "9"
    & skf18("5","2","5","10","5","4","1") = "9"
    & skf18("5","2","5","10","5","5","1") = "9"
    & skf18("5","2","5","10","5","6","1") = "9"
    & skf18("5","2","5","10","5","7","1") = "9"
    & skf18("5","2","5","10","5","8","1") = "9"
    & skf18("5","2","5","10","5","9","1") = "9"
    & skf18("5","2","5","10","5","10","1") = "9"
    & skf18("5","2","5","10","6","1","1") = "9"
    & skf18("5","2","5","10","6","2","1") = "9"
    & skf18("5","2","5","10","6","3","1") = "9"
    & skf18("5","2","5","10","6","4","1") = "9"
    & skf18("5","2","5","10","6","5","1") = "9"
    & skf18("5","2","5","10","6","6","1") = "9"
    & skf18("5","2","5","10","6","7","1") = "9"
    & skf18("5","2","5","10","6","8","1") = "9"
    & skf18("5","2","5","10","6","9","1") = "9"
    & skf18("5","2","5","10","6","10","1") = "9"
    & skf18("5","2","5","10","7","1","1") = "9"
    & skf18("5","2","5","10","7","2","1") = "9"
    & skf18("5","2","5","10","7","3","1") = "9"
    & skf18("5","2","5","10","7","4","1") = "9"
    & skf18("5","2","5","10","7","5","1") = "9"
    & skf18("5","2","5","10","7","6","1") = "9"
    & skf18("5","2","5","10","7","7","1") = "9"
    & skf18("5","2","5","10","7","8","1") = "9"
    & skf18("5","2","5","10","7","9","1") = "9"
    & skf18("5","2","5","10","7","10","1") = "9"
    & skf18("5","2","5","10","8","1","1") = "9"
    & skf18("5","2","5","10","8","2","1") = "9"
    & skf18("5","2","5","10","8","3","1") = "9"
    & skf18("5","2","5","10","8","4","1") = "9"
    & skf18("5","2","5","10","8","5","1") = "9"
    & skf18("5","2","5","10","8","6","1") = "9"
    & skf18("5","2","5","10","8","7","1") = "9"
    & skf18("5","2","5","10","8","8","1") = "9"
    & skf18("5","2","5","10","8","9","1") = "9"
    & skf18("5","2","5","10","8","10","1") = "9"
    & skf18("5","2","5","10","9","1","1") = "9"
    & skf18("5","2","5","10","9","2","1") = "9"
    & skf18("5","2","5","10","9","3","1") = "9"
    & skf18("5","2","5","10","9","4","1") = "9"
    & skf18("5","2","5","10","9","5","1") = "9"
    & skf18("5","2","5","10","9","6","1") = "9"
    & skf18("5","2","5","10","9","7","1") = "9"
    & skf18("5","2","5","10","9","8","1") = "9"
    & skf18("5","2","5","10","9","9","1") = "9"
    & skf18("5","2","5","10","9","10","1") = "9"
    & skf18("5","2","5","10","10","1","1") = "9"
    & skf18("5","2","5","10","10","2","1") = "9"
    & skf18("5","2","5","10","10","3","1") = "9"
    & skf18("5","2","5","10","10","4","1") = "9"
    & skf18("5","2","5","10","10","5","1") = "9"
    & skf18("5","2","5","10","10","6","1") = "9"
    & skf18("5","2","5","10","10","7","1") = "9"
    & skf18("5","2","5","10","10","8","1") = "9"
    & skf18("5","2","5","10","10","9","1") = "9"
    & skf18("5","2","5","10","10","10","1") = "9"
    & skf18("5","2","6","1","1","1","1") = "5"
    & skf18("5","2","6","1","1","2","1") = "5"
    & skf18("5","2","6","1","1","3","1") = "5"
    & skf18("5","2","6","1","1","4","1") = "5"
    & skf18("5","2","6","1","1","5","1") = "5"
    & skf18("5","2","6","1","1","6","1") = "5"
    & skf18("5","2","6","1","1","7","1") = "6"
    & skf18("5","2","6","1","1","8","1") = "7"
    & skf18("5","2","6","1","1","9","1") = "8"
    & skf18("5","2","6","1","1","10","1") = "9"
    & skf18("5","2","6","1","2","1","1") = "5"
    & skf18("5","2","6","1","2","2","1") = "5"
    & skf18("5","2","6","1","2","3","1") = "5"
    & skf18("5","2","6","1","2","4","1") = "5"
    & skf18("5","2","6","1","2","5","1") = "5"
    & skf18("5","2","6","1","2","6","1") = "5"
    & skf18("5","2","6","1","2","7","1") = "6"
    & skf18("5","2","6","1","2","8","1") = "7"
    & skf18("5","2","6","1","2","9","1") = "8"
    & skf18("5","2","6","1","2","10","1") = "9"
    & skf18("5","2","6","1","3","1","1") = "5"
    & skf18("5","2","6","1","3","2","1") = "5"
    & skf18("5","2","6","1","3","3","1") = "5"
    & skf18("5","2","6","1","3","4","1") = "5"
    & skf18("5","2","6","1","3","5","1") = "5"
    & skf18("5","2","6","1","3","6","1") = "5"
    & skf18("5","2","6","1","3","7","1") = "6"
    & skf18("5","2","6","1","3","8","1") = "7"
    & skf18("5","2","6","1","3","9","1") = "8"
    & skf18("5","2","6","1","3","10","1") = "9"
    & skf18("5","2","6","1","4","1","1") = "5"
    & skf18("5","2","6","1","4","2","1") = "5"
    & skf18("5","2","6","1","4","3","1") = "5"
    & skf18("5","2","6","1","4","4","1") = "5"
    & skf18("5","2","6","1","4","5","1") = "5"
    & skf18("5","2","6","1","4","6","1") = "5"
    & skf18("5","2","6","1","4","7","1") = "6"
    & skf18("5","2","6","1","4","8","1") = "7"
    & skf18("5","2","6","1","4","9","1") = "8"
    & skf18("5","2","6","1","4","10","1") = "9"
    & skf18("5","2","6","1","5","1","1") = "5"
    & skf18("5","2","6","1","5","2","1") = "5"
    & skf18("5","2","6","1","5","3","1") = "5"
    & skf18("5","2","6","1","5","4","1") = "5"
    & skf18("5","2","6","1","5","5","1") = "5"
    & skf18("5","2","6","1","5","6","1") = "5"
    & skf18("5","2","6","1","5","7","1") = "6"
    & skf18("5","2","6","1","5","8","1") = "7"
    & skf18("5","2","6","1","5","9","1") = "8"
    & skf18("5","2","6","1","5","10","1") = "9"
    & skf18("5","2","6","1","6","1","1") = "5"
    & skf18("5","2","6","1","6","2","1") = "5"
    & skf18("5","2","6","1","6","3","1") = "5"
    & skf18("5","2","6","1","6","4","1") = "5"
    & skf18("5","2","6","1","6","5","1") = "5"
    & skf18("5","2","6","1","6","6","1") = "5"
    & skf18("5","2","6","1","6","7","1") = "6"
    & skf18("5","2","6","1","6","8","1") = "7"
    & skf18("5","2","6","1","6","9","1") = "8"
    & skf18("5","2","6","1","6","10","1") = "9"
    & skf18("5","2","6","1","7","1","1") = "6"
    & skf18("5","2","6","1","7","2","1") = "6"
    & skf18("5","2","6","1","7","3","1") = "6"
    & skf18("5","2","6","1","7","4","1") = "6"
    & skf18("5","2","6","1","7","5","1") = "6"
    & skf18("5","2","6","1","7","6","1") = "6"
    & skf18("5","2","6","1","7","7","1") = "6"
    & skf18("5","2","6","1","7","8","1") = "7"
    & skf18("5","2","6","1","7","9","1") = "8"
    & skf18("5","2","6","1","7","10","1") = "9"
    & skf18("5","2","6","1","8","1","1") = "7"
    & skf18("5","2","6","1","8","2","1") = "7"
    & skf18("5","2","6","1","8","3","1") = "7"
    & skf18("5","2","6","1","8","4","1") = "7"
    & skf18("5","2","6","1","8","5","1") = "7"
    & skf18("5","2","6","1","8","6","1") = "7"
    & skf18("5","2","6","1","8","7","1") = "7"
    & skf18("5","2","6","1","8","8","1") = "7"
    & skf18("5","2","6","1","8","9","1") = "8"
    & skf18("5","2","6","1","8","10","1") = "9"
    & skf18("5","2","6","1","9","1","1") = "8"
    & skf18("5","2","6","1","9","2","1") = "8"
    & skf18("5","2","6","1","9","3","1") = "8"
    & skf18("5","2","6","1","9","4","1") = "8"
    & skf18("5","2","6","1","9","5","1") = "8"
    & skf18("5","2","6","1","9","6","1") = "8"
    & skf18("5","2","6","1","9","7","1") = "8"
    & skf18("5","2","6","1","9","8","1") = "8"
    & skf18("5","2","6","1","9","9","1") = "8"
    & skf18("5","2","6","1","9","10","1") = "9"
    & skf18("5","2","6","1","10","1","1") = "9"
    & skf18("5","2","6","1","10","2","1") = "9"
    & skf18("5","2","6","1","10","3","1") = "9"
    & skf18("5","2","6","1","10","4","1") = "9"
    & skf18("5","2","6","1","10","5","1") = "9"
    & skf18("5","2","6","1","10","6","1") = "9"
    & skf18("5","2","6","1","10","7","1") = "9"
    & skf18("5","2","6","1","10","8","1") = "9"
    & skf18("5","2","6","1","10","9","1") = "9"
    & skf18("5","2","6","1","10","10","1") = "9"
    & skf18("5","2","6","2","1","1","1") = "5"
    & skf18("5","2","6","2","1","2","1") = "5"
    & skf18("5","2","6","2","1","3","1") = "5"
    & skf18("5","2","6","2","1","4","1") = "5"
    & skf18("5","2","6","2","1","5","1") = "5"
    & skf18("5","2","6","2","1","6","1") = "5"
    & skf18("5","2","6","2","1","7","1") = "6"
    & skf18("5","2","6","2","1","8","1") = "7"
    & skf18("5","2","6","2","1","9","1") = "8"
    & skf18("5","2","6","2","1","10","1") = "9"
    & skf18("5","2","6","2","2","1","1") = "5"
    & skf18("5","2","6","2","2","2","1") = "5"
    & skf18("5","2","6","2","2","3","1") = "5"
    & skf18("5","2","6","2","2","4","1") = "5"
    & skf18("5","2","6","2","2","5","1") = "5"
    & skf18("5","2","6","2","2","6","1") = "5"
    & skf18("5","2","6","2","2","7","1") = "6"
    & skf18("5","2","6","2","2","8","1") = "7"
    & skf18("5","2","6","2","2","9","1") = "8"
    & skf18("5","2","6","2","2","10","1") = "9"
    & skf18("5","2","6","2","3","1","1") = "5"
    & skf18("5","2","6","2","3","2","1") = "5"
    & skf18("5","2","6","2","3","3","1") = "5"
    & skf18("5","2","6","2","3","4","1") = "5"
    & skf18("5","2","6","2","3","5","1") = "5"
    & skf18("5","2","6","2","3","6","1") = "5"
    & skf18("5","2","6","2","3","7","1") = "6"
    & skf18("5","2","6","2","3","8","1") = "7"
    & skf18("5","2","6","2","3","9","1") = "8"
    & skf18("5","2","6","2","3","10","1") = "9"
    & skf18("5","2","6","2","4","1","1") = "5"
    & skf18("5","2","6","2","4","2","1") = "5"
    & skf18("5","2","6","2","4","3","1") = "5"
    & skf18("5","2","6","2","4","4","1") = "5"
    & skf18("5","2","6","2","4","5","1") = "5"
    & skf18("5","2","6","2","4","6","1") = "5"
    & skf18("5","2","6","2","4","7","1") = "6"
    & skf18("5","2","6","2","4","8","1") = "7"
    & skf18("5","2","6","2","4","9","1") = "8"
    & skf18("5","2","6","2","4","10","1") = "9"
    & skf18("5","2","6","2","5","1","1") = "5"
    & skf18("5","2","6","2","5","2","1") = "5"
    & skf18("5","2","6","2","5","3","1") = "5"
    & skf18("5","2","6","2","5","4","1") = "5"
    & skf18("5","2","6","2","5","5","1") = "5"
    & skf18("5","2","6","2","5","6","1") = "5"
    & skf18("5","2","6","2","5","7","1") = "6"
    & skf18("5","2","6","2","5","8","1") = "7"
    & skf18("5","2","6","2","5","9","1") = "8"
    & skf18("5","2","6","2","5","10","1") = "9"
    & skf18("5","2","6","2","6","1","1") = "5"
    & skf18("5","2","6","2","6","2","1") = "5"
    & skf18("5","2","6","2","6","3","1") = "5"
    & skf18("5","2","6","2","6","4","1") = "5"
    & skf18("5","2","6","2","6","5","1") = "5"
    & skf18("5","2","6","2","6","6","1") = "5"
    & skf18("5","2","6","2","6","7","1") = "6"
    & skf18("5","2","6","2","6","8","1") = "7"
    & skf18("5","2","6","2","6","9","1") = "8"
    & skf18("5","2","6","2","6","10","1") = "9"
    & skf18("5","2","6","2","7","1","1") = "6"
    & skf18("5","2","6","2","7","2","1") = "6"
    & skf18("5","2","6","2","7","3","1") = "6"
    & skf18("5","2","6","2","7","4","1") = "6"
    & skf18("5","2","6","2","7","5","1") = "6"
    & skf18("5","2","6","2","7","6","1") = "6"
    & skf18("5","2","6","2","7","7","1") = "6"
    & skf18("5","2","6","2","7","8","1") = "7"
    & skf18("5","2","6","2","7","9","1") = "8"
    & skf18("5","2","6","2","7","10","1") = "9"
    & skf18("5","2","6","2","8","1","1") = "7"
    & skf18("5","2","6","2","8","2","1") = "7"
    & skf18("5","2","6","2","8","3","1") = "7"
    & skf18("5","2","6","2","8","4","1") = "7"
    & skf18("5","2","6","2","8","5","1") = "7"
    & skf18("5","2","6","2","8","6","1") = "7"
    & skf18("5","2","6","2","8","7","1") = "7"
    & skf18("5","2","6","2","8","8","1") = "7"
    & skf18("5","2","6","2","8","9","1") = "8"
    & skf18("5","2","6","2","8","10","1") = "9"
    & skf18("5","2","6","2","9","1","1") = "8"
    & skf18("5","2","6","2","9","2","1") = "8"
    & skf18("5","2","6","2","9","3","1") = "8"
    & skf18("5","2","6","2","9","4","1") = "8"
    & skf18("5","2","6","2","9","5","1") = "8"
    & skf18("5","2","6","2","9","6","1") = "8"
    & skf18("5","2","6","2","9","7","1") = "8"
    & skf18("5","2","6","2","9","8","1") = "8"
    & skf18("5","2","6","2","9","9","1") = "8"
    & skf18("5","2","6","2","9","10","1") = "9"
    & skf18("5","2","6","2","10","1","1") = "9"
    & skf18("5","2","6","2","10","2","1") = "9"
    & skf18("5","2","6","2","10","3","1") = "9"
    & skf18("5","2","6","2","10","4","1") = "9"
    & skf18("5","2","6","2","10","5","1") = "9"
    & skf18("5","2","6","2","10","6","1") = "9"
    & skf18("5","2","6","2","10","7","1") = "9"
    & skf18("5","2","6","2","10","8","1") = "9"
    & skf18("5","2","6","2","10","9","1") = "9"
    & skf18("5","2","6","2","10","10","1") = "9"
    & skf18("5","2","6","3","1","1","1") = "5"
    & skf18("5","2","6","3","1","2","1") = "5"
    & skf18("5","2","6","3","1","3","1") = "5"
    & skf18("5","2","6","3","1","4","1") = "5"
    & skf18("5","2","6","3","1","5","1") = "5"
    & skf18("5","2","6","3","1","6","1") = "5"
    & skf18("5","2","6","3","1","7","1") = "6"
    & skf18("5","2","6","3","1","8","1") = "7"
    & skf18("5","2","6","3","1","9","1") = "8"
    & skf18("5","2","6","3","1","10","1") = "9"
    & skf18("5","2","6","3","2","1","1") = "5"
    & skf18("5","2","6","3","2","2","1") = "5"
    & skf18("5","2","6","3","2","3","1") = "5"
    & skf18("5","2","6","3","2","4","1") = "5"
    & skf18("5","2","6","3","2","5","1") = "5"
    & skf18("5","2","6","3","2","6","1") = "5"
    & skf18("5","2","6","3","2","7","1") = "6"
    & skf18("5","2","6","3","2","8","1") = "7"
    & skf18("5","2","6","3","2","9","1") = "8"
    & skf18("5","2","6","3","2","10","1") = "9"
    & skf18("5","2","6","3","3","1","1") = "5"
    & skf18("5","2","6","3","3","2","1") = "5"
    & skf18("5","2","6","3","3","3","1") = "5"
    & skf18("5","2","6","3","3","4","1") = "5"
    & skf18("5","2","6","3","3","5","1") = "5"
    & skf18("5","2","6","3","3","6","1") = "5"
    & skf18("5","2","6","3","3","7","1") = "6"
    & skf18("5","2","6","3","3","8","1") = "7"
    & skf18("5","2","6","3","3","9","1") = "8"
    & skf18("5","2","6","3","3","10","1") = "9"
    & skf18("5","2","6","3","4","1","1") = "5"
    & skf18("5","2","6","3","4","2","1") = "5"
    & skf18("5","2","6","3","4","3","1") = "5"
    & skf18("5","2","6","3","4","4","1") = "5"
    & skf18("5","2","6","3","4","5","1") = "5"
    & skf18("5","2","6","3","4","6","1") = "5"
    & skf18("5","2","6","3","4","7","1") = "6"
    & skf18("5","2","6","3","4","8","1") = "7"
    & skf18("5","2","6","3","4","9","1") = "8"
    & skf18("5","2","6","3","4","10","1") = "9"
    & skf18("5","2","6","3","5","1","1") = "5"
    & skf18("5","2","6","3","5","2","1") = "5"
    & skf18("5","2","6","3","5","3","1") = "5"
    & skf18("5","2","6","3","5","4","1") = "5"
    & skf18("5","2","6","3","5","5","1") = "5"
    & skf18("5","2","6","3","5","6","1") = "5"
    & skf18("5","2","6","3","5","7","1") = "6"
    & skf18("5","2","6","3","5","8","1") = "7"
    & skf18("5","2","6","3","5","9","1") = "8"
    & skf18("5","2","6","3","5","10","1") = "9"
    & skf18("5","2","6","3","6","1","1") = "5"
    & skf18("5","2","6","3","6","2","1") = "5"
    & skf18("5","2","6","3","6","3","1") = "5"
    & skf18("5","2","6","3","6","4","1") = "5"
    & skf18("5","2","6","3","6","5","1") = "5"
    & skf18("5","2","6","3","6","6","1") = "5"
    & skf18("5","2","6","3","6","7","1") = "6"
    & skf18("5","2","6","3","6","8","1") = "7"
    & skf18("5","2","6","3","6","9","1") = "8"
    & skf18("5","2","6","3","6","10","1") = "9"
    & skf18("5","2","6","3","7","1","1") = "6"
    & skf18("5","2","6","3","7","2","1") = "6"
    & skf18("5","2","6","3","7","3","1") = "6"
    & skf18("5","2","6","3","7","4","1") = "6"
    & skf18("5","2","6","3","7","5","1") = "6"
    & skf18("5","2","6","3","7","6","1") = "6"
    & skf18("5","2","6","3","7","7","1") = "6"
    & skf18("5","2","6","3","7","8","1") = "7"
    & skf18("5","2","6","3","7","9","1") = "8"
    & skf18("5","2","6","3","7","10","1") = "9"
    & skf18("5","2","6","3","8","1","1") = "7"
    & skf18("5","2","6","3","8","2","1") = "7"
    & skf18("5","2","6","3","8","3","1") = "7"
    & skf18("5","2","6","3","8","4","1") = "7"
    & skf18("5","2","6","3","8","5","1") = "7"
    & skf18("5","2","6","3","8","6","1") = "7"
    & skf18("5","2","6","3","8","7","1") = "7"
    & skf18("5","2","6","3","8","8","1") = "7"
    & skf18("5","2","6","3","8","9","1") = "8"
    & skf18("5","2","6","3","8","10","1") = "9"
    & skf18("5","2","6","3","9","1","1") = "8"
    & skf18("5","2","6","3","9","2","1") = "8"
    & skf18("5","2","6","3","9","3","1") = "8"
    & skf18("5","2","6","3","9","4","1") = "8"
    & skf18("5","2","6","3","9","5","1") = "8"
    & skf18("5","2","6","3","9","6","1") = "8"
    & skf18("5","2","6","3","9","7","1") = "8"
    & skf18("5","2","6","3","9","8","1") = "8"
    & skf18("5","2","6","3","9","9","1") = "8"
    & skf18("5","2","6","3","9","10","1") = "9"
    & skf18("5","2","6","3","10","1","1") = "9"
    & skf18("5","2","6","3","10","2","1") = "9"
    & skf18("5","2","6","3","10","3","1") = "9"
    & skf18("5","2","6","3","10","4","1") = "9"
    & skf18("5","2","6","3","10","5","1") = "9"
    & skf18("5","2","6","3","10","6","1") = "9"
    & skf18("5","2","6","3","10","7","1") = "9"
    & skf18("5","2","6","3","10","8","1") = "9"
    & skf18("5","2","6","3","10","9","1") = "9"
    & skf18("5","2","6","3","10","10","1") = "9"
    & skf18("5","2","6","4","1","1","1") = "5"
    & skf18("5","2","6","4","1","2","1") = "5"
    & skf18("5","2","6","4","1","3","1") = "5"
    & skf18("5","2","6","4","1","4","1") = "5"
    & skf18("5","2","6","4","1","5","1") = "5"
    & skf18("5","2","6","4","1","6","1") = "5"
    & skf18("5","2","6","4","1","7","1") = "6"
    & skf18("5","2","6","4","1","8","1") = "7"
    & skf18("5","2","6","4","1","9","1") = "8"
    & skf18("5","2","6","4","1","10","1") = "9"
    & skf18("5","2","6","4","2","1","1") = "5"
    & skf18("5","2","6","4","2","2","1") = "5"
    & skf18("5","2","6","4","2","3","1") = "5"
    & skf18("5","2","6","4","2","4","1") = "5"
    & skf18("5","2","6","4","2","5","1") = "5"
    & skf18("5","2","6","4","2","6","1") = "5"
    & skf18("5","2","6","4","2","7","1") = "6"
    & skf18("5","2","6","4","2","8","1") = "7"
    & skf18("5","2","6","4","2","9","1") = "8"
    & skf18("5","2","6","4","2","10","1") = "9"
    & skf18("5","2","6","4","3","1","1") = "5"
    & skf18("5","2","6","4","3","2","1") = "5"
    & skf18("5","2","6","4","3","3","1") = "5"
    & skf18("5","2","6","4","3","4","1") = "5"
    & skf18("5","2","6","4","3","5","1") = "5"
    & skf18("5","2","6","4","3","6","1") = "5"
    & skf18("5","2","6","4","3","7","1") = "6"
    & skf18("5","2","6","4","3","8","1") = "7"
    & skf18("5","2","6","4","3","9","1") = "8"
    & skf18("5","2","6","4","3","10","1") = "9"
    & skf18("5","2","6","4","4","1","1") = "5"
    & skf18("5","2","6","4","4","2","1") = "5"
    & skf18("5","2","6","4","4","3","1") = "5"
    & skf18("5","2","6","4","4","4","1") = "5"
    & skf18("5","2","6","4","4","5","1") = "5"
    & skf18("5","2","6","4","4","6","1") = "5"
    & skf18("5","2","6","4","4","7","1") = "6"
    & skf18("5","2","6","4","4","8","1") = "7"
    & skf18("5","2","6","4","4","9","1") = "8"
    & skf18("5","2","6","4","4","10","1") = "9"
    & skf18("5","2","6","4","5","1","1") = "5"
    & skf18("5","2","6","4","5","2","1") = "5"
    & skf18("5","2","6","4","5","3","1") = "5"
    & skf18("5","2","6","4","5","4","1") = "5"
    & skf18("5","2","6","4","5","5","1") = "5"
    & skf18("5","2","6","4","5","6","1") = "5"
    & skf18("5","2","6","4","5","7","1") = "6"
    & skf18("5","2","6","4","5","8","1") = "7"
    & skf18("5","2","6","4","5","9","1") = "8"
    & skf18("5","2","6","4","5","10","1") = "9"
    & skf18("5","2","6","4","6","1","1") = "5"
    & skf18("5","2","6","4","6","2","1") = "5"
    & skf18("5","2","6","4","6","3","1") = "5"
    & skf18("5","2","6","4","6","4","1") = "5"
    & skf18("5","2","6","4","6","5","1") = "5"
    & skf18("5","2","6","4","6","6","1") = "5"
    & skf18("5","2","6","4","6","7","1") = "6"
    & skf18("5","2","6","4","6","8","1") = "7"
    & skf18("5","2","6","4","6","9","1") = "8"
    & skf18("5","2","6","4","6","10","1") = "9"
    & skf18("5","2","6","4","7","1","1") = "6"
    & skf18("5","2","6","4","7","2","1") = "6"
    & skf18("5","2","6","4","7","3","1") = "6"
    & skf18("5","2","6","4","7","4","1") = "6"
    & skf18("5","2","6","4","7","5","1") = "6"
    & skf18("5","2","6","4","7","6","1") = "6"
    & skf18("5","2","6","4","7","7","1") = "6"
    & skf18("5","2","6","4","7","8","1") = "7"
    & skf18("5","2","6","4","7","9","1") = "8"
    & skf18("5","2","6","4","7","10","1") = "9"
    & skf18("5","2","6","4","8","1","1") = "7"
    & skf18("5","2","6","4","8","2","1") = "7"
    & skf18("5","2","6","4","8","3","1") = "7"
    & skf18("5","2","6","4","8","4","1") = "7"
    & skf18("5","2","6","4","8","5","1") = "7"
    & skf18("5","2","6","4","8","6","1") = "7"
    & skf18("5","2","6","4","8","7","1") = "7"
    & skf18("5","2","6","4","8","8","1") = "7"
    & skf18("5","2","6","4","8","9","1") = "8"
    & skf18("5","2","6","4","8","10","1") = "9"
    & skf18("5","2","6","4","9","1","1") = "8"
    & skf18("5","2","6","4","9","2","1") = "8"
    & skf18("5","2","6","4","9","3","1") = "8"
    & skf18("5","2","6","4","9","4","1") = "8"
    & skf18("5","2","6","4","9","5","1") = "8"
    & skf18("5","2","6","4","9","6","1") = "8"
    & skf18("5","2","6","4","9","7","1") = "8"
    & skf18("5","2","6","4","9","8","1") = "8"
    & skf18("5","2","6","4","9","9","1") = "8"
    & skf18("5","2","6","4","9","10","1") = "9"
    & skf18("5","2","6","4","10","1","1") = "9"
    & skf18("5","2","6","4","10","2","1") = "9"
    & skf18("5","2","6","4","10","3","1") = "9"
    & skf18("5","2","6","4","10","4","1") = "9"
    & skf18("5","2","6","4","10","5","1") = "9"
    & skf18("5","2","6","4","10","6","1") = "9"
    & skf18("5","2","6","4","10","7","1") = "9"
    & skf18("5","2","6","4","10","8","1") = "9"
    & skf18("5","2","6","4","10","9","1") = "9"
    & skf18("5","2","6","4","10","10","1") = "9"
    & skf18("5","2","6","5","1","1","1") = "5"
    & skf18("5","2","6","5","1","2","1") = "5"
    & skf18("5","2","6","5","1","3","1") = "5"
    & skf18("5","2","6","5","1","4","1") = "5"
    & skf18("5","2","6","5","1","5","1") = "5"
    & skf18("5","2","6","5","1","6","1") = "5"
    & skf18("5","2","6","5","1","7","1") = "6"
    & skf18("5","2","6","5","1","8","1") = "7"
    & skf18("5","2","6","5","1","9","1") = "8"
    & skf18("5","2","6","5","1","10","1") = "9"
    & skf18("5","2","6","5","2","1","1") = "5"
    & skf18("5","2","6","5","2","2","1") = "5"
    & skf18("5","2","6","5","2","3","1") = "5"
    & skf18("5","2","6","5","2","4","1") = "5"
    & skf18("5","2","6","5","2","5","1") = "5"
    & skf18("5","2","6","5","2","6","1") = "5"
    & skf18("5","2","6","5","2","7","1") = "6"
    & skf18("5","2","6","5","2","8","1") = "7"
    & skf18("5","2","6","5","2","9","1") = "8"
    & skf18("5","2","6","5","2","10","1") = "9"
    & skf18("5","2","6","5","3","1","1") = "5"
    & skf18("5","2","6","5","3","2","1") = "5"
    & skf18("5","2","6","5","3","3","1") = "5"
    & skf18("5","2","6","5","3","4","1") = "5"
    & skf18("5","2","6","5","3","5","1") = "5"
    & skf18("5","2","6","5","3","6","1") = "5"
    & skf18("5","2","6","5","3","7","1") = "6"
    & skf18("5","2","6","5","3","8","1") = "7"
    & skf18("5","2","6","5","3","9","1") = "8"
    & skf18("5","2","6","5","3","10","1") = "9"
    & skf18("5","2","6","5","4","1","1") = "5"
    & skf18("5","2","6","5","4","2","1") = "5"
    & skf18("5","2","6","5","4","3","1") = "5"
    & skf18("5","2","6","5","4","4","1") = "5"
    & skf18("5","2","6","5","4","5","1") = "5"
    & skf18("5","2","6","5","4","6","1") = "5"
    & skf18("5","2","6","5","4","7","1") = "6"
    & skf18("5","2","6","5","4","8","1") = "7"
    & skf18("5","2","6","5","4","9","1") = "8"
    & skf18("5","2","6","5","4","10","1") = "9"
    & skf18("5","2","6","5","5","1","1") = "5"
    & skf18("5","2","6","5","5","2","1") = "5"
    & skf18("5","2","6","5","5","3","1") = "5"
    & skf18("5","2","6","5","5","4","1") = "5"
    & skf18("5","2","6","5","5","5","1") = "5"
    & skf18("5","2","6","5","5","6","1") = "5"
    & skf18("5","2","6","5","5","7","1") = "6"
    & skf18("5","2","6","5","5","8","1") = "7"
    & skf18("5","2","6","5","5","9","1") = "8"
    & skf18("5","2","6","5","5","10","1") = "9"
    & skf18("5","2","6","5","6","1","1") = "5"
    & skf18("5","2","6","5","6","2","1") = "5"
    & skf18("5","2","6","5","6","3","1") = "5"
    & skf18("5","2","6","5","6","4","1") = "5"
    & skf18("5","2","6","5","6","5","1") = "5"
    & skf18("5","2","6","5","6","6","1") = "5"
    & skf18("5","2","6","5","6","7","1") = "6"
    & skf18("5","2","6","5","6","8","1") = "7"
    & skf18("5","2","6","5","6","9","1") = "8"
    & skf18("5","2","6","5","6","10","1") = "9"
    & skf18("5","2","6","5","7","1","1") = "6"
    & skf18("5","2","6","5","7","2","1") = "6"
    & skf18("5","2","6","5","7","3","1") = "6"
    & skf18("5","2","6","5","7","4","1") = "6"
    & skf18("5","2","6","5","7","5","1") = "6"
    & skf18("5","2","6","5","7","6","1") = "6"
    & skf18("5","2","6","5","7","7","1") = "6"
    & skf18("5","2","6","5","7","8","1") = "7"
    & skf18("5","2","6","5","7","9","1") = "8"
    & skf18("5","2","6","5","7","10","1") = "9"
    & skf18("5","2","6","5","8","1","1") = "7"
    & skf18("5","2","6","5","8","2","1") = "7"
    & skf18("5","2","6","5","8","3","1") = "7"
    & skf18("5","2","6","5","8","4","1") = "7"
    & skf18("5","2","6","5","8","5","1") = "7"
    & skf18("5","2","6","5","8","6","1") = "7"
    & skf18("5","2","6","5","8","7","1") = "7"
    & skf18("5","2","6","5","8","8","1") = "7"
    & skf18("5","2","6","5","8","9","1") = "8"
    & skf18("5","2","6","5","8","10","1") = "9"
    & skf18("5","2","6","5","9","1","1") = "8"
    & skf18("5","2","6","5","9","2","1") = "8"
    & skf18("5","2","6","5","9","3","1") = "8"
    & skf18("5","2","6","5","9","4","1") = "8"
    & skf18("5","2","6","5","9","5","1") = "8"
    & skf18("5","2","6","5","9","6","1") = "8"
    & skf18("5","2","6","5","9","7","1") = "8"
    & skf18("5","2","6","5","9","8","1") = "8"
    & skf18("5","2","6","5","9","9","1") = "8"
    & skf18("5","2","6","5","9","10","1") = "9"
    & skf18("5","2","6","5","10","1","1") = "9"
    & skf18("5","2","6","5","10","2","1") = "9"
    & skf18("5","2","6","5","10","3","1") = "9"
    & skf18("5","2","6","5","10","4","1") = "9"
    & skf18("5","2","6","5","10","5","1") = "9"
    & skf18("5","2","6","5","10","6","1") = "9"
    & skf18("5","2","6","5","10","7","1") = "9"
    & skf18("5","2","6","5","10","8","1") = "9"
    & skf18("5","2","6","5","10","9","1") = "9"
    & skf18("5","2","6","5","10","10","1") = "9"
    & skf18("5","2","6","6","1","1","1") = "5"
    & skf18("5","2","6","6","1","2","1") = "5"
    & skf18("5","2","6","6","1","3","1") = "5"
    & skf18("5","2","6","6","1","4","1") = "5"
    & skf18("5","2","6","6","1","5","1") = "5"
    & skf18("5","2","6","6","1","6","1") = "5"
    & skf18("5","2","6","6","1","7","1") = "6"
    & skf18("5","2","6","6","1","8","1") = "7"
    & skf18("5","2","6","6","1","9","1") = "8"
    & skf18("5","2","6","6","1","10","1") = "9"
    & skf18("5","2","6","6","2","1","1") = "5"
    & skf18("5","2","6","6","2","2","1") = "5"
    & skf18("5","2","6","6","2","3","1") = "5"
    & skf18("5","2","6","6","2","4","1") = "5"
    & skf18("5","2","6","6","2","5","1") = "5"
    & skf18("5","2","6","6","2","6","1") = "5"
    & skf18("5","2","6","6","2","7","1") = "6"
    & skf18("5","2","6","6","2","8","1") = "7"
    & skf18("5","2","6","6","2","9","1") = "8"
    & skf18("5","2","6","6","2","10","1") = "9"
    & skf18("5","2","6","6","3","1","1") = "5"
    & skf18("5","2","6","6","3","2","1") = "5"
    & skf18("5","2","6","6","3","3","1") = "5"
    & skf18("5","2","6","6","3","4","1") = "5"
    & skf18("5","2","6","6","3","5","1") = "5"
    & skf18("5","2","6","6","3","6","1") = "5"
    & skf18("5","2","6","6","3","7","1") = "6"
    & skf18("5","2","6","6","3","8","1") = "7"
    & skf18("5","2","6","6","3","9","1") = "8"
    & skf18("5","2","6","6","3","10","1") = "9"
    & skf18("5","2","6","6","4","1","1") = "5"
    & skf18("5","2","6","6","4","2","1") = "5"
    & skf18("5","2","6","6","4","3","1") = "5"
    & skf18("5","2","6","6","4","4","1") = "5"
    & skf18("5","2","6","6","4","5","1") = "5"
    & skf18("5","2","6","6","4","6","1") = "5"
    & skf18("5","2","6","6","4","7","1") = "6"
    & skf18("5","2","6","6","4","8","1") = "7"
    & skf18("5","2","6","6","4","9","1") = "8"
    & skf18("5","2","6","6","4","10","1") = "9"
    & skf18("5","2","6","6","5","1","1") = "5"
    & skf18("5","2","6","6","5","2","1") = "5"
    & skf18("5","2","6","6","5","3","1") = "5"
    & skf18("5","2","6","6","5","4","1") = "5"
    & skf18("5","2","6","6","5","5","1") = "5"
    & skf18("5","2","6","6","5","6","1") = "5"
    & skf18("5","2","6","6","5","7","1") = "6"
    & skf18("5","2","6","6","5","8","1") = "7"
    & skf18("5","2","6","6","5","9","1") = "8"
    & skf18("5","2","6","6","5","10","1") = "9"
    & skf18("5","2","6","6","6","1","1") = "5"
    & skf18("5","2","6","6","6","2","1") = "5"
    & skf18("5","2","6","6","6","3","1") = "5"
    & skf18("5","2","6","6","6","4","1") = "5"
    & skf18("5","2","6","6","6","5","1") = "5"
    & skf18("5","2","6","6","6","6","1") = "5"
    & skf18("5","2","6","6","6","7","1") = "6"
    & skf18("5","2","6","6","6","8","1") = "7"
    & skf18("5","2","6","6","6","9","1") = "8"
    & skf18("5","2","6","6","6","10","1") = "9"
    & skf18("5","2","6","6","7","1","1") = "6"
    & skf18("5","2","6","6","7","2","1") = "6"
    & skf18("5","2","6","6","7","3","1") = "6"
    & skf18("5","2","6","6","7","4","1") = "6"
    & skf18("5","2","6","6","7","5","1") = "6"
    & skf18("5","2","6","6","7","6","1") = "6"
    & skf18("5","2","6","6","7","7","1") = "6"
    & skf18("5","2","6","6","7","8","1") = "7"
    & skf18("5","2","6","6","7","9","1") = "8"
    & skf18("5","2","6","6","7","10","1") = "9"
    & skf18("5","2","6","6","8","1","1") = "7"
    & skf18("5","2","6","6","8","2","1") = "7"
    & skf18("5","2","6","6","8","3","1") = "7"
    & skf18("5","2","6","6","8","4","1") = "7"
    & skf18("5","2","6","6","8","5","1") = "7"
    & skf18("5","2","6","6","8","6","1") = "7"
    & skf18("5","2","6","6","8","7","1") = "7"
    & skf18("5","2","6","6","8","8","1") = "7"
    & skf18("5","2","6","6","8","9","1") = "8"
    & skf18("5","2","6","6","8","10","1") = "9"
    & skf18("5","2","6","6","9","1","1") = "8"
    & skf18("5","2","6","6","9","2","1") = "8"
    & skf18("5","2","6","6","9","3","1") = "8"
    & skf18("5","2","6","6","9","4","1") = "8"
    & skf18("5","2","6","6","9","5","1") = "8"
    & skf18("5","2","6","6","9","6","1") = "8"
    & skf18("5","2","6","6","9","7","1") = "8"
    & skf18("5","2","6","6","9","8","1") = "8"
    & skf18("5","2","6","6","9","9","1") = "8"
    & skf18("5","2","6","6","9","10","1") = "9"
    & skf18("5","2","6","6","10","1","1") = "9"
    & skf18("5","2","6","6","10","2","1") = "9"
    & skf18("5","2","6","6","10","3","1") = "9"
    & skf18("5","2","6","6","10","4","1") = "9"
    & skf18("5","2","6","6","10","5","1") = "9"
    & skf18("5","2","6","6","10","6","1") = "9"
    & skf18("5","2","6","6","10","7","1") = "9"
    & skf18("5","2","6","6","10","8","1") = "9"
    & skf18("5","2","6","6","10","9","1") = "9"
    & skf18("5","2","6","6","10","10","1") = "9"
    & skf18("5","2","6","7","1","1","1") = "6"
    & skf18("5","2","6","7","1","2","1") = "6"
    & skf18("5","2","6","7","1","3","1") = "6"
    & skf18("5","2","6","7","1","4","1") = "6"
    & skf18("5","2","6","7","1","5","1") = "6"
    & skf18("5","2","6","7","1","6","1") = "6"
    & skf18("5","2","6","7","1","7","1") = "6"
    & skf18("5","2","6","7","1","8","1") = "7"
    & skf18("5","2","6","7","1","9","1") = "8"
    & skf18("5","2","6","7","1","10","1") = "9"
    & skf18("5","2","6","7","2","1","1") = "6"
    & skf18("5","2","6","7","2","2","1") = "6"
    & skf18("5","2","6","7","2","3","1") = "6"
    & skf18("5","2","6","7","2","4","1") = "6"
    & skf18("5","2","6","7","2","5","1") = "6"
    & skf18("5","2","6","7","2","6","1") = "6"
    & skf18("5","2","6","7","2","7","1") = "6"
    & skf18("5","2","6","7","2","8","1") = "7"
    & skf18("5","2","6","7","2","9","1") = "8"
    & skf18("5","2","6","7","2","10","1") = "9"
    & skf18("5","2","6","7","3","1","1") = "6"
    & skf18("5","2","6","7","3","2","1") = "6"
    & skf18("5","2","6","7","3","3","1") = "6"
    & skf18("5","2","6","7","3","4","1") = "6"
    & skf18("5","2","6","7","3","5","1") = "6"
    & skf18("5","2","6","7","3","6","1") = "6"
    & skf18("5","2","6","7","3","7","1") = "6"
    & skf18("5","2","6","7","3","8","1") = "7"
    & skf18("5","2","6","7","3","9","1") = "8"
    & skf18("5","2","6","7","3","10","1") = "9"
    & skf18("5","2","6","7","4","1","1") = "6"
    & skf18("5","2","6","7","4","2","1") = "6"
    & skf18("5","2","6","7","4","3","1") = "6"
    & skf18("5","2","6","7","4","4","1") = "6"
    & skf18("5","2","6","7","4","5","1") = "6"
    & skf18("5","2","6","7","4","6","1") = "6"
    & skf18("5","2","6","7","4","7","1") = "6"
    & skf18("5","2","6","7","4","8","1") = "7"
    & skf18("5","2","6","7","4","9","1") = "8"
    & skf18("5","2","6","7","4","10","1") = "9"
    & skf18("5","2","6","7","5","1","1") = "6"
    & skf18("5","2","6","7","5","2","1") = "6"
    & skf18("5","2","6","7","5","3","1") = "6"
    & skf18("5","2","6","7","5","4","1") = "6"
    & skf18("5","2","6","7","5","5","1") = "6"
    & skf18("5","2","6","7","5","6","1") = "6"
    & skf18("5","2","6","7","5","7","1") = "6"
    & skf18("5","2","6","7","5","8","1") = "7"
    & skf18("5","2","6","7","5","9","1") = "8"
    & skf18("5","2","6","7","5","10","1") = "9"
    & skf18("5","2","6","7","6","1","1") = "6"
    & skf18("5","2","6","7","6","2","1") = "6"
    & skf18("5","2","6","7","6","3","1") = "6"
    & skf18("5","2","6","7","6","4","1") = "6"
    & skf18("5","2","6","7","6","5","1") = "6"
    & skf18("5","2","6","7","6","6","1") = "6"
    & skf18("5","2","6","7","6","7","1") = "6"
    & skf18("5","2","6","7","6","8","1") = "7"
    & skf18("5","2","6","7","6","9","1") = "8"
    & skf18("5","2","6","7","6","10","1") = "9"
    & skf18("5","2","6","7","7","1","1") = "6"
    & skf18("5","2","6","7","7","2","1") = "6"
    & skf18("5","2","6","7","7","3","1") = "6"
    & skf18("5","2","6","7","7","4","1") = "6"
    & skf18("5","2","6","7","7","5","1") = "6"
    & skf18("5","2","6","7","7","6","1") = "6"
    & skf18("5","2","6","7","7","7","1") = "6"
    & skf18("5","2","6","7","7","8","1") = "7"
    & skf18("5","2","6","7","7","9","1") = "8"
    & skf18("5","2","6","7","7","10","1") = "9"
    & skf18("5","2","6","7","8","1","1") = "7"
    & skf18("5","2","6","7","8","2","1") = "7"
    & skf18("5","2","6","7","8","3","1") = "7"
    & skf18("5","2","6","7","8","4","1") = "7"
    & skf18("5","2","6","7","8","5","1") = "7"
    & skf18("5","2","6","7","8","6","1") = "7"
    & skf18("5","2","6","7","8","7","1") = "7"
    & skf18("5","2","6","7","8","8","1") = "7"
    & skf18("5","2","6","7","8","9","1") = "8"
    & skf18("5","2","6","7","8","10","1") = "9"
    & skf18("5","2","6","7","9","1","1") = "8"
    & skf18("5","2","6","7","9","2","1") = "8"
    & skf18("5","2","6","7","9","3","1") = "8"
    & skf18("5","2","6","7","9","4","1") = "8"
    & skf18("5","2","6","7","9","5","1") = "8"
    & skf18("5","2","6","7","9","6","1") = "8"
    & skf18("5","2","6","7","9","7","1") = "8"
    & skf18("5","2","6","7","9","8","1") = "8"
    & skf18("5","2","6","7","9","9","1") = "8"
    & skf18("5","2","6","7","9","10","1") = "9"
    & skf18("5","2","6","7","10","1","1") = "9"
    & skf18("5","2","6","7","10","2","1") = "9"
    & skf18("5","2","6","7","10","3","1") = "9"
    & skf18("5","2","6","7","10","4","1") = "9"
    & skf18("5","2","6","7","10","5","1") = "9"
    & skf18("5","2","6","7","10","6","1") = "9"
    & skf18("5","2","6","7","10","7","1") = "9"
    & skf18("5","2","6","7","10","8","1") = "9"
    & skf18("5","2","6","7","10","9","1") = "9"
    & skf18("5","2","6","7","10","10","1") = "9"
    & skf18("5","2","6","8","1","1","1") = "7"
    & skf18("5","2","6","8","1","2","1") = "7"
    & skf18("5","2","6","8","1","3","1") = "7"
    & skf18("5","2","6","8","1","4","1") = "7"
    & skf18("5","2","6","8","1","5","1") = "7"
    & skf18("5","2","6","8","1","6","1") = "7"
    & skf18("5","2","6","8","1","7","1") = "7"
    & skf18("5","2","6","8","1","8","1") = "7"
    & skf18("5","2","6","8","1","9","1") = "8"
    & skf18("5","2","6","8","1","10","1") = "9"
    & skf18("5","2","6","8","2","1","1") = "7"
    & skf18("5","2","6","8","2","2","1") = "7"
    & skf18("5","2","6","8","2","3","1") = "7"
    & skf18("5","2","6","8","2","4","1") = "7"
    & skf18("5","2","6","8","2","5","1") = "7"
    & skf18("5","2","6","8","2","6","1") = "7"
    & skf18("5","2","6","8","2","7","1") = "7"
    & skf18("5","2","6","8","2","8","1") = "7"
    & skf18("5","2","6","8","2","9","1") = "8"
    & skf18("5","2","6","8","2","10","1") = "9"
    & skf18("5","2","6","8","3","1","1") = "7"
    & skf18("5","2","6","8","3","2","1") = "7"
    & skf18("5","2","6","8","3","3","1") = "7"
    & skf18("5","2","6","8","3","4","1") = "7"
    & skf18("5","2","6","8","3","5","1") = "7"
    & skf18("5","2","6","8","3","6","1") = "7"
    & skf18("5","2","6","8","3","7","1") = "7"
    & skf18("5","2","6","8","3","8","1") = "7"
    & skf18("5","2","6","8","3","9","1") = "8"
    & skf18("5","2","6","8","3","10","1") = "9"
    & skf18("5","2","6","8","4","1","1") = "7"
    & skf18("5","2","6","8","4","2","1") = "7"
    & skf18("5","2","6","8","4","3","1") = "7"
    & skf18("5","2","6","8","4","4","1") = "7"
    & skf18("5","2","6","8","4","5","1") = "7"
    & skf18("5","2","6","8","4","6","1") = "7"
    & skf18("5","2","6","8","4","7","1") = "7"
    & skf18("5","2","6","8","4","8","1") = "7"
    & skf18("5","2","6","8","4","9","1") = "8"
    & skf18("5","2","6","8","4","10","1") = "9"
    & skf18("5","2","6","8","5","1","1") = "7"
    & skf18("5","2","6","8","5","2","1") = "7"
    & skf18("5","2","6","8","5","3","1") = "7"
    & skf18("5","2","6","8","5","4","1") = "7"
    & skf18("5","2","6","8","5","5","1") = "7"
    & skf18("5","2","6","8","5","6","1") = "7"
    & skf18("5","2","6","8","5","7","1") = "7"
    & skf18("5","2","6","8","5","8","1") = "7"
    & skf18("5","2","6","8","5","9","1") = "8"
    & skf18("5","2","6","8","5","10","1") = "9"
    & skf18("5","2","6","8","6","1","1") = "7"
    & skf18("5","2","6","8","6","2","1") = "7"
    & skf18("5","2","6","8","6","3","1") = "7"
    & skf18("5","2","6","8","6","4","1") = "7"
    & skf18("5","2","6","8","6","5","1") = "7"
    & skf18("5","2","6","8","6","6","1") = "7"
    & skf18("5","2","6","8","6","7","1") = "7"
    & skf18("5","2","6","8","6","8","1") = "7"
    & skf18("5","2","6","8","6","9","1") = "8"
    & skf18("5","2","6","8","6","10","1") = "9"
    & skf18("5","2","6","8","7","1","1") = "7"
    & skf18("5","2","6","8","7","2","1") = "7"
    & skf18("5","2","6","8","7","3","1") = "7"
    & skf18("5","2","6","8","7","4","1") = "7"
    & skf18("5","2","6","8","7","5","1") = "7"
    & skf18("5","2","6","8","7","6","1") = "7"
    & skf18("5","2","6","8","7","7","1") = "7"
    & skf18("5","2","6","8","7","8","1") = "7"
    & skf18("5","2","6","8","7","9","1") = "8"
    & skf18("5","2","6","8","7","10","1") = "9"
    & skf18("5","2","6","8","8","1","1") = "7"
    & skf18("5","2","6","8","8","2","1") = "7"
    & skf18("5","2","6","8","8","3","1") = "7"
    & skf18("5","2","6","8","8","4","1") = "7"
    & skf18("5","2","6","8","8","5","1") = "7"
    & skf18("5","2","6","8","8","6","1") = "7"
    & skf18("5","2","6","8","8","7","1") = "7"
    & skf18("5","2","6","8","8","8","1") = "7"
    & skf18("5","2","6","8","8","9","1") = "8"
    & skf18("5","2","6","8","8","10","1") = "9"
    & skf18("5","2","6","8","9","1","1") = "8"
    & skf18("5","2","6","8","9","2","1") = "8"
    & skf18("5","2","6","8","9","3","1") = "8"
    & skf18("5","2","6","8","9","4","1") = "8"
    & skf18("5","2","6","8","9","5","1") = "8"
    & skf18("5","2","6","8","9","6","1") = "8"
    & skf18("5","2","6","8","9","7","1") = "8"
    & skf18("5","2","6","8","9","8","1") = "8"
    & skf18("5","2","6","8","9","9","1") = "8"
    & skf18("5","2","6","8","9","10","1") = "9"
    & skf18("5","2","6","8","10","1","1") = "9"
    & skf18("5","2","6","8","10","2","1") = "9"
    & skf18("5","2","6","8","10","3","1") = "9"
    & skf18("5","2","6","8","10","4","1") = "9"
    & skf18("5","2","6","8","10","5","1") = "9"
    & skf18("5","2","6","8","10","6","1") = "9"
    & skf18("5","2","6","8","10","7","1") = "9"
    & skf18("5","2","6","8","10","8","1") = "9"
    & skf18("5","2","6","8","10","9","1") = "9"
    & skf18("5","2","6","8","10","10","1") = "9"
    & skf18("5","2","6","9","1","1","1") = "8"
    & skf18("5","2","6","9","1","2","1") = "8"
    & skf18("5","2","6","9","1","3","1") = "8"
    & skf18("5","2","6","9","1","4","1") = "8"
    & skf18("5","2","6","9","1","5","1") = "8"
    & skf18("5","2","6","9","1","6","1") = "8"
    & skf18("5","2","6","9","1","7","1") = "8"
    & skf18("5","2","6","9","1","8","1") = "8"
    & skf18("5","2","6","9","1","9","1") = "8"
    & skf18("5","2","6","9","1","10","1") = "9"
    & skf18("5","2","6","9","2","1","1") = "8"
    & skf18("5","2","6","9","2","2","1") = "8"
    & skf18("5","2","6","9","2","3","1") = "8"
    & skf18("5","2","6","9","2","4","1") = "8"
    & skf18("5","2","6","9","2","5","1") = "8"
    & skf18("5","2","6","9","2","6","1") = "8"
    & skf18("5","2","6","9","2","7","1") = "8"
    & skf18("5","2","6","9","2","8","1") = "8"
    & skf18("5","2","6","9","2","9","1") = "8"
    & skf18("5","2","6","9","2","10","1") = "9"
    & skf18("5","2","6","9","3","1","1") = "8"
    & skf18("5","2","6","9","3","2","1") = "8"
    & skf18("5","2","6","9","3","3","1") = "8"
    & skf18("5","2","6","9","3","4","1") = "8"
    & skf18("5","2","6","9","3","5","1") = "8"
    & skf18("5","2","6","9","3","6","1") = "8"
    & skf18("5","2","6","9","3","7","1") = "8"
    & skf18("5","2","6","9","3","8","1") = "8"
    & skf18("5","2","6","9","3","9","1") = "8"
    & skf18("5","2","6","9","3","10","1") = "9"
    & skf18("5","2","6","9","4","1","1") = "8"
    & skf18("5","2","6","9","4","2","1") = "8"
    & skf18("5","2","6","9","4","3","1") = "8"
    & skf18("5","2","6","9","4","4","1") = "8"
    & skf18("5","2","6","9","4","5","1") = "8"
    & skf18("5","2","6","9","4","6","1") = "8"
    & skf18("5","2","6","9","4","7","1") = "8"
    & skf18("5","2","6","9","4","8","1") = "8"
    & skf18("5","2","6","9","4","9","1") = "8"
    & skf18("5","2","6","9","4","10","1") = "9"
    & skf18("5","2","6","9","5","1","1") = "8"
    & skf18("5","2","6","9","5","2","1") = "8"
    & skf18("5","2","6","9","5","3","1") = "8"
    & skf18("5","2","6","9","5","4","1") = "8"
    & skf18("5","2","6","9","5","5","1") = "8"
    & skf18("5","2","6","9","5","6","1") = "8"
    & skf18("5","2","6","9","5","7","1") = "8"
    & skf18("5","2","6","9","5","8","1") = "8"
    & skf18("5","2","6","9","5","9","1") = "8"
    & skf18("5","2","6","9","5","10","1") = "9"
    & skf18("5","2","6","9","6","1","1") = "8"
    & skf18("5","2","6","9","6","2","1") = "8"
    & skf18("5","2","6","9","6","3","1") = "8"
    & skf18("5","2","6","9","6","4","1") = "8"
    & skf18("5","2","6","9","6","5","1") = "8"
    & skf18("5","2","6","9","6","6","1") = "8"
    & skf18("5","2","6","9","6","7","1") = "8"
    & skf18("5","2","6","9","6","8","1") = "8"
    & skf18("5","2","6","9","6","9","1") = "8"
    & skf18("5","2","6","9","6","10","1") = "9"
    & skf18("5","2","6","9","7","1","1") = "8"
    & skf18("5","2","6","9","7","2","1") = "8"
    & skf18("5","2","6","9","7","3","1") = "8"
    & skf18("5","2","6","9","7","4","1") = "8"
    & skf18("5","2","6","9","7","5","1") = "8"
    & skf18("5","2","6","9","7","6","1") = "8"
    & skf18("5","2","6","9","7","7","1") = "8"
    & skf18("5","2","6","9","7","8","1") = "8"
    & skf18("5","2","6","9","7","9","1") = "8"
    & skf18("5","2","6","9","7","10","1") = "9"
    & skf18("5","2","6","9","8","1","1") = "8"
    & skf18("5","2","6","9","8","2","1") = "8"
    & skf18("5","2","6","9","8","3","1") = "8"
    & skf18("5","2","6","9","8","4","1") = "8"
    & skf18("5","2","6","9","8","5","1") = "8"
    & skf18("5","2","6","9","8","6","1") = "8"
    & skf18("5","2","6","9","8","7","1") = "8"
    & skf18("5","2","6","9","8","8","1") = "8"
    & skf18("5","2","6","9","8","9","1") = "8"
    & skf18("5","2","6","9","8","10","1") = "9"
    & skf18("5","2","6","9","9","1","1") = "8"
    & skf18("5","2","6","9","9","2","1") = "8"
    & skf18("5","2","6","9","9","3","1") = "8"
    & skf18("5","2","6","9","9","4","1") = "8"
    & skf18("5","2","6","9","9","5","1") = "8"
    & skf18("5","2","6","9","9","6","1") = "8"
    & skf18("5","2","6","9","9","7","1") = "8"
    & skf18("5","2","6","9","9","8","1") = "8"
    & skf18("5","2","6","9","9","9","1") = "8"
    & skf18("5","2","6","9","9","10","1") = "9"
    & skf18("5","2","6","9","10","1","1") = "9"
    & skf18("5","2","6","9","10","2","1") = "9"
    & skf18("5","2","6","9","10","3","1") = "9"
    & skf18("5","2","6","9","10","4","1") = "9"
    & skf18("5","2","6","9","10","5","1") = "9"
    & skf18("5","2","6","9","10","6","1") = "9"
    & skf18("5","2","6","9","10","7","1") = "9"
    & skf18("5","2","6","9","10","8","1") = "9"
    & skf18("5","2","6","9","10","9","1") = "9"
    & skf18("5","2","6","9","10","10","1") = "9"
    & skf18("5","2","6","10","1","1","1") = "9"
    & skf18("5","2","6","10","1","2","1") = "9"
    & skf18("5","2","6","10","1","3","1") = "9"
    & skf18("5","2","6","10","1","4","1") = "9"
    & skf18("5","2","6","10","1","5","1") = "9"
    & skf18("5","2","6","10","1","6","1") = "9"
    & skf18("5","2","6","10","1","7","1") = "9"
    & skf18("5","2","6","10","1","8","1") = "9"
    & skf18("5","2","6","10","1","9","1") = "9"
    & skf18("5","2","6","10","1","10","1") = "9"
    & skf18("5","2","6","10","2","1","1") = "9"
    & skf18("5","2","6","10","2","2","1") = "9"
    & skf18("5","2","6","10","2","3","1") = "9"
    & skf18("5","2","6","10","2","4","1") = "9"
    & skf18("5","2","6","10","2","5","1") = "9"
    & skf18("5","2","6","10","2","6","1") = "9"
    & skf18("5","2","6","10","2","7","1") = "9"
    & skf18("5","2","6","10","2","8","1") = "9"
    & skf18("5","2","6","10","2","9","1") = "9"
    & skf18("5","2","6","10","2","10","1") = "9"
    & skf18("5","2","6","10","3","1","1") = "9"
    & skf18("5","2","6","10","3","2","1") = "9"
    & skf18("5","2","6","10","3","3","1") = "9"
    & skf18("5","2","6","10","3","4","1") = "9"
    & skf18("5","2","6","10","3","5","1") = "9"
    & skf18("5","2","6","10","3","6","1") = "9"
    & skf18("5","2","6","10","3","7","1") = "9"
    & skf18("5","2","6","10","3","8","1") = "9"
    & skf18("5","2","6","10","3","9","1") = "9"
    & skf18("5","2","6","10","3","10","1") = "9"
    & skf18("5","2","6","10","4","1","1") = "9"
    & skf18("5","2","6","10","4","2","1") = "9"
    & skf18("5","2","6","10","4","3","1") = "9"
    & skf18("5","2","6","10","4","4","1") = "9"
    & skf18("5","2","6","10","4","5","1") = "9"
    & skf18("5","2","6","10","4","6","1") = "9"
    & skf18("5","2","6","10","4","7","1") = "9"
    & skf18("5","2","6","10","4","8","1") = "9"
    & skf18("5","2","6","10","4","9","1") = "9"
    & skf18("5","2","6","10","4","10","1") = "9"
    & skf18("5","2","6","10","5","1","1") = "9"
    & skf18("5","2","6","10","5","2","1") = "9"
    & skf18("5","2","6","10","5","3","1") = "9"
    & skf18("5","2","6","10","5","4","1") = "9"
    & skf18("5","2","6","10","5","5","1") = "9"
    & skf18("5","2","6","10","5","6","1") = "9"
    & skf18("5","2","6","10","5","7","1") = "9"
    & skf18("5","2","6","10","5","8","1") = "9"
    & skf18("5","2","6","10","5","9","1") = "9"
    & skf18("5","2","6","10","5","10","1") = "9"
    & skf18("5","2","6","10","6","1","1") = "9"
    & skf18("5","2","6","10","6","2","1") = "9"
    & skf18("5","2","6","10","6","3","1") = "9"
    & skf18("5","2","6","10","6","4","1") = "9"
    & skf18("5","2","6","10","6","5","1") = "9"
    & skf18("5","2","6","10","6","6","1") = "9"
    & skf18("5","2","6","10","6","7","1") = "9"
    & skf18("5","2","6","10","6","8","1") = "9"
    & skf18("5","2","6","10","6","9","1") = "9"
    & skf18("5","2","6","10","6","10","1") = "9"
    & skf18("5","2","6","10","7","1","1") = "9"
    & skf18("5","2","6","10","7","2","1") = "9"
    & skf18("5","2","6","10","7","3","1") = "9"
    & skf18("5","2","6","10","7","4","1") = "9"
    & skf18("5","2","6","10","7","5","1") = "9"
    & skf18("5","2","6","10","7","6","1") = "9"
    & skf18("5","2","6","10","7","7","1") = "9"
    & skf18("5","2","6","10","7","8","1") = "9"
    & skf18("5","2","6","10","7","9","1") = "9"
    & skf18("5","2","6","10","7","10","1") = "9"
    & skf18("5","2","6","10","8","1","1") = "9"
    & skf18("5","2","6","10","8","2","1") = "9"
    & skf18("5","2","6","10","8","3","1") = "9"
    & skf18("5","2","6","10","8","4","1") = "9"
    & skf18("5","2","6","10","8","5","1") = "9"
    & skf18("5","2","6","10","8","6","1") = "9"
    & skf18("5","2","6","10","8","7","1") = "9"
    & skf18("5","2","6","10","8","8","1") = "9"
    & skf18("5","2","6","10","8","9","1") = "9"
    & skf18("5","2","6","10","8","10","1") = "9"
    & skf18("5","2","6","10","9","1","1") = "9"
    & skf18("5","2","6","10","9","2","1") = "9"
    & skf18("5","2","6","10","9","3","1") = "9"
    & skf18("5","2","6","10","9","4","1") = "9"
    & skf18("5","2","6","10","9","5","1") = "9"
    & skf18("5","2","6","10","9","6","1") = "9"
    & skf18("5","2","6","10","9","7","1") = "9"
    & skf18("5","2","6","10","9","8","1") = "9"
    & skf18("5","2","6","10","9","9","1") = "9"
    & skf18("5","2","6","10","9","10","1") = "9"
    & skf18("5","2","6","10","10","1","1") = "9"
    & skf18("5","2","6","10","10","2","1") = "9"
    & skf18("5","2","6","10","10","3","1") = "9"
    & skf18("5","2","6","10","10","4","1") = "9"
    & skf18("5","2","6","10","10","5","1") = "9"
    & skf18("5","2","6","10","10","6","1") = "9"
    & skf18("5","2","6","10","10","7","1") = "9"
    & skf18("5","2","6","10","10","8","1") = "9"
    & skf18("5","2","6","10","10","9","1") = "9"
    & skf18("5","2","6","10","10","10","1") = "9"
    & skf18("5","2","7","1","1","1","1") = "6"
    & skf18("5","2","7","1","1","2","1") = "6"
    & skf18("5","2","7","1","1","3","1") = "6"
    & skf18("5","2","7","1","1","4","1") = "6"
    & skf18("5","2","7","1","1","5","1") = "6"
    & skf18("5","2","7","1","1","6","1") = "6"
    & skf18("5","2","7","1","1","7","1") = "6"
    & skf18("5","2","7","1","1","8","1") = "7"
    & skf18("5","2","7","1","1","9","1") = "8"
    & skf18("5","2","7","1","1","10","1") = "9"
    & skf18("5","2","7","1","2","1","1") = "6"
    & skf18("5","2","7","1","2","2","1") = "6"
    & skf18("5","2","7","1","2","3","1") = "6"
    & skf18("5","2","7","1","2","4","1") = "6"
    & skf18("5","2","7","1","2","5","1") = "6"
    & skf18("5","2","7","1","2","6","1") = "6"
    & skf18("5","2","7","1","2","7","1") = "6"
    & skf18("5","2","7","1","2","8","1") = "7"
    & skf18("5","2","7","1","2","9","1") = "8"
    & skf18("5","2","7","1","2","10","1") = "9"
    & skf18("5","2","7","1","3","1","1") = "6"
    & skf18("5","2","7","1","3","2","1") = "6"
    & skf18("5","2","7","1","3","3","1") = "6"
    & skf18("5","2","7","1","3","4","1") = "6"
    & skf18("5","2","7","1","3","5","1") = "6"
    & skf18("5","2","7","1","3","6","1") = "6"
    & skf18("5","2","7","1","3","7","1") = "6"
    & skf18("5","2","7","1","3","8","1") = "7"
    & skf18("5","2","7","1","3","9","1") = "8"
    & skf18("5","2","7","1","3","10","1") = "9"
    & skf18("5","2","7","1","4","1","1") = "6"
    & skf18("5","2","7","1","4","2","1") = "6"
    & skf18("5","2","7","1","4","3","1") = "6"
    & skf18("5","2","7","1","4","4","1") = "6"
    & skf18("5","2","7","1","4","5","1") = "6"
    & skf18("5","2","7","1","4","6","1") = "6"
    & skf18("5","2","7","1","4","7","1") = "6"
    & skf18("5","2","7","1","4","8","1") = "7"
    & skf18("5","2","7","1","4","9","1") = "8"
    & skf18("5","2","7","1","4","10","1") = "9"
    & skf18("5","2","7","1","5","1","1") = "6"
    & skf18("5","2","7","1","5","2","1") = "6"
    & skf18("5","2","7","1","5","3","1") = "6"
    & skf18("5","2","7","1","5","4","1") = "6"
    & skf18("5","2","7","1","5","5","1") = "6"
    & skf18("5","2","7","1","5","6","1") = "6"
    & skf18("5","2","7","1","5","7","1") = "6"
    & skf18("5","2","7","1","5","8","1") = "7"
    & skf18("5","2","7","1","5","9","1") = "8"
    & skf18("5","2","7","1","5","10","1") = "9"
    & skf18("5","2","7","1","6","1","1") = "6"
    & skf18("5","2","7","1","6","2","1") = "6"
    & skf18("5","2","7","1","6","3","1") = "6"
    & skf18("5","2","7","1","6","4","1") = "6"
    & skf18("5","2","7","1","6","5","1") = "6"
    & skf18("5","2","7","1","6","6","1") = "6"
    & skf18("5","2","7","1","6","7","1") = "6"
    & skf18("5","2","7","1","6","8","1") = "7"
    & skf18("5","2","7","1","6","9","1") = "8"
    & skf18("5","2","7","1","6","10","1") = "9"
    & skf18("5","2","7","1","7","1","1") = "6"
    & skf18("5","2","7","1","7","2","1") = "6"
    & skf18("5","2","7","1","7","3","1") = "6"
    & skf18("5","2","7","1","7","4","1") = "6"
    & skf18("5","2","7","1","7","5","1") = "6"
    & skf18("5","2","7","1","7","6","1") = "6"
    & skf18("5","2","7","1","7","7","1") = "6"
    & skf18("5","2","7","1","7","8","1") = "7"
    & skf18("5","2","7","1","7","9","1") = "8"
    & skf18("5","2","7","1","7","10","1") = "9"
    & skf18("5","2","7","1","8","1","1") = "7"
    & skf18("5","2","7","1","8","2","1") = "7"
    & skf18("5","2","7","1","8","3","1") = "7"
    & skf18("5","2","7","1","8","4","1") = "7"
    & skf18("5","2","7","1","8","5","1") = "7"
    & skf18("5","2","7","1","8","6","1") = "7"
    & skf18("5","2","7","1","8","7","1") = "7"
    & skf18("5","2","7","1","8","8","1") = "7"
    & skf18("5","2","7","1","8","9","1") = "8"
    & skf18("5","2","7","1","8","10","1") = "9"
    & skf18("5","2","7","1","9","1","1") = "8"
    & skf18("5","2","7","1","9","2","1") = "8"
    & skf18("5","2","7","1","9","3","1") = "8"
    & skf18("5","2","7","1","9","4","1") = "8"
    & skf18("5","2","7","1","9","5","1") = "8"
    & skf18("5","2","7","1","9","6","1") = "8"
    & skf18("5","2","7","1","9","7","1") = "8"
    & skf18("5","2","7","1","9","8","1") = "8"
    & skf18("5","2","7","1","9","9","1") = "8"
    & skf18("5","2","7","1","9","10","1") = "9"
    & skf18("5","2","7","1","10","1","1") = "9"
    & skf18("5","2","7","1","10","2","1") = "9"
    & skf18("5","2","7","1","10","3","1") = "9"
    & skf18("5","2","7","1","10","4","1") = "9"
    & skf18("5","2","7","1","10","5","1") = "9"
    & skf18("5","2","7","1","10","6","1") = "9"
    & skf18("5","2","7","1","10","7","1") = "9"
    & skf18("5","2","7","1","10","8","1") = "9"
    & skf18("5","2","7","1","10","9","1") = "9"
    & skf18("5","2","7","1","10","10","1") = "9"
    & skf18("5","2","7","2","1","1","1") = "6"
    & skf18("5","2","7","2","1","2","1") = "6"
    & skf18("5","2","7","2","1","3","1") = "6"
    & skf18("5","2","7","2","1","4","1") = "6"
    & skf18("5","2","7","2","1","5","1") = "6"
    & skf18("5","2","7","2","1","6","1") = "6"
    & skf18("5","2","7","2","1","7","1") = "6"
    & skf18("5","2","7","2","1","8","1") = "7"
    & skf18("5","2","7","2","1","9","1") = "8"
    & skf18("5","2","7","2","1","10","1") = "9"
    & skf18("5","2","7","2","2","1","1") = "6"
    & skf18("5","2","7","2","2","2","1") = "6"
    & skf18("5","2","7","2","2","3","1") = "6"
    & skf18("5","2","7","2","2","4","1") = "6"
    & skf18("5","2","7","2","2","5","1") = "6"
    & skf18("5","2","7","2","2","6","1") = "6"
    & skf18("5","2","7","2","2","7","1") = "6"
    & skf18("5","2","7","2","2","8","1") = "7"
    & skf18("5","2","7","2","2","9","1") = "8"
    & skf18("5","2","7","2","2","10","1") = "9"
    & skf18("5","2","7","2","3","1","1") = "6"
    & skf18("5","2","7","2","3","2","1") = "6"
    & skf18("5","2","7","2","3","3","1") = "6"
    & skf18("5","2","7","2","3","4","1") = "6"
    & skf18("5","2","7","2","3","5","1") = "6"
    & skf18("5","2","7","2","3","6","1") = "6"
    & skf18("5","2","7","2","3","7","1") = "6"
    & skf18("5","2","7","2","3","8","1") = "7"
    & skf18("5","2","7","2","3","9","1") = "8"
    & skf18("5","2","7","2","3","10","1") = "9"
    & skf18("5","2","7","2","4","1","1") = "6"
    & skf18("5","2","7","2","4","2","1") = "6"
    & skf18("5","2","7","2","4","3","1") = "6"
    & skf18("5","2","7","2","4","4","1") = "6"
    & skf18("5","2","7","2","4","5","1") = "6"
    & skf18("5","2","7","2","4","6","1") = "6"
    & skf18("5","2","7","2","4","7","1") = "6"
    & skf18("5","2","7","2","4","8","1") = "7"
    & skf18("5","2","7","2","4","9","1") = "8"
    & skf18("5","2","7","2","4","10","1") = "9"
    & skf18("5","2","7","2","5","1","1") = "6"
    & skf18("5","2","7","2","5","2","1") = "6"
    & skf18("5","2","7","2","5","3","1") = "6"
    & skf18("5","2","7","2","5","4","1") = "6"
    & skf18("5","2","7","2","5","5","1") = "6"
    & skf18("5","2","7","2","5","6","1") = "6"
    & skf18("5","2","7","2","5","7","1") = "6"
    & skf18("5","2","7","2","5","8","1") = "7"
    & skf18("5","2","7","2","5","9","1") = "8"
    & skf18("5","2","7","2","5","10","1") = "9"
    & skf18("5","2","7","2","6","1","1") = "6"
    & skf18("5","2","7","2","6","2","1") = "6"
    & skf18("5","2","7","2","6","3","1") = "6"
    & skf18("5","2","7","2","6","4","1") = "6"
    & skf18("5","2","7","2","6","5","1") = "6"
    & skf18("5","2","7","2","6","6","1") = "6"
    & skf18("5","2","7","2","6","7","1") = "6"
    & skf18("5","2","7","2","6","8","1") = "7"
    & skf18("5","2","7","2","6","9","1") = "8"
    & skf18("5","2","7","2","6","10","1") = "9"
    & skf18("5","2","7","2","7","1","1") = "6"
    & skf18("5","2","7","2","7","2","1") = "6"
    & skf18("5","2","7","2","7","3","1") = "6"
    & skf18("5","2","7","2","7","4","1") = "6"
    & skf18("5","2","7","2","7","5","1") = "6"
    & skf18("5","2","7","2","7","6","1") = "6"
    & skf18("5","2","7","2","7","7","1") = "6"
    & skf18("5","2","7","2","7","8","1") = "7"
    & skf18("5","2","7","2","7","9","1") = "8"
    & skf18("5","2","7","2","7","10","1") = "9"
    & skf18("5","2","7","2","8","1","1") = "7"
    & skf18("5","2","7","2","8","2","1") = "7"
    & skf18("5","2","7","2","8","3","1") = "7"
    & skf18("5","2","7","2","8","4","1") = "7"
    & skf18("5","2","7","2","8","5","1") = "7"
    & skf18("5","2","7","2","8","6","1") = "7"
    & skf18("5","2","7","2","8","7","1") = "7"
    & skf18("5","2","7","2","8","8","1") = "7"
    & skf18("5","2","7","2","8","9","1") = "8"
    & skf18("5","2","7","2","8","10","1") = "9"
    & skf18("5","2","7","2","9","1","1") = "8"
    & skf18("5","2","7","2","9","2","1") = "8"
    & skf18("5","2","7","2","9","3","1") = "8"
    & skf18("5","2","7","2","9","4","1") = "8"
    & skf18("5","2","7","2","9","5","1") = "8"
    & skf18("5","2","7","2","9","6","1") = "8"
    & skf18("5","2","7","2","9","7","1") = "8"
    & skf18("5","2","7","2","9","8","1") = "8"
    & skf18("5","2","7","2","9","9","1") = "8"
    & skf18("5","2","7","2","9","10","1") = "9"
    & skf18("5","2","7","2","10","1","1") = "9"
    & skf18("5","2","7","2","10","2","1") = "9"
    & skf18("5","2","7","2","10","3","1") = "9"
    & skf18("5","2","7","2","10","4","1") = "9"
    & skf18("5","2","7","2","10","5","1") = "9"
    & skf18("5","2","7","2","10","6","1") = "9"
    & skf18("5","2","7","2","10","7","1") = "9"
    & skf18("5","2","7","2","10","8","1") = "9"
    & skf18("5","2","7","2","10","9","1") = "9"
    & skf18("5","2","7","2","10","10","1") = "9"
    & skf18("5","2","7","3","1","1","1") = "6"
    & skf18("5","2","7","3","1","2","1") = "6"
    & skf18("5","2","7","3","1","3","1") = "6"
    & skf18("5","2","7","3","1","4","1") = "6"
    & skf18("5","2","7","3","1","5","1") = "6"
    & skf18("5","2","7","3","1","6","1") = "6"
    & skf18("5","2","7","3","1","7","1") = "6"
    & skf18("5","2","7","3","1","8","1") = "7"
    & skf18("5","2","7","3","1","9","1") = "8"
    & skf18("5","2","7","3","1","10","1") = "9"
    & skf18("5","2","7","3","2","1","1") = "6"
    & skf18("5","2","7","3","2","2","1") = "6"
    & skf18("5","2","7","3","2","3","1") = "6"
    & skf18("5","2","7","3","2","4","1") = "6"
    & skf18("5","2","7","3","2","5","1") = "6"
    & skf18("5","2","7","3","2","6","1") = "6"
    & skf18("5","2","7","3","2","7","1") = "6"
    & skf18("5","2","7","3","2","8","1") = "7"
    & skf18("5","2","7","3","2","9","1") = "8"
    & skf18("5","2","7","3","2","10","1") = "9"
    & skf18("5","2","7","3","3","1","1") = "6"
    & skf18("5","2","7","3","3","2","1") = "6"
    & skf18("5","2","7","3","3","3","1") = "6"
    & skf18("5","2","7","3","3","4","1") = "6"
    & skf18("5","2","7","3","3","5","1") = "6"
    & skf18("5","2","7","3","3","6","1") = "6"
    & skf18("5","2","7","3","3","7","1") = "6"
    & skf18("5","2","7","3","3","8","1") = "7"
    & skf18("5","2","7","3","3","9","1") = "8"
    & skf18("5","2","7","3","3","10","1") = "9"
    & skf18("5","2","7","3","4","1","1") = "6"
    & skf18("5","2","7","3","4","2","1") = "6"
    & skf18("5","2","7","3","4","3","1") = "6"
    & skf18("5","2","7","3","4","4","1") = "6"
    & skf18("5","2","7","3","4","5","1") = "6"
    & skf18("5","2","7","3","4","6","1") = "6"
    & skf18("5","2","7","3","4","7","1") = "6"
    & skf18("5","2","7","3","4","8","1") = "7"
    & skf18("5","2","7","3","4","9","1") = "8"
    & skf18("5","2","7","3","4","10","1") = "9"
    & skf18("5","2","7","3","5","1","1") = "6"
    & skf18("5","2","7","3","5","2","1") = "6"
    & skf18("5","2","7","3","5","3","1") = "6"
    & skf18("5","2","7","3","5","4","1") = "6"
    & skf18("5","2","7","3","5","5","1") = "6"
    & skf18("5","2","7","3","5","6","1") = "6"
    & skf18("5","2","7","3","5","7","1") = "6"
    & skf18("5","2","7","3","5","8","1") = "7"
    & skf18("5","2","7","3","5","9","1") = "8"
    & skf18("5","2","7","3","5","10","1") = "9"
    & skf18("5","2","7","3","6","1","1") = "6"
    & skf18("5","2","7","3","6","2","1") = "6"
    & skf18("5","2","7","3","6","3","1") = "6"
    & skf18("5","2","7","3","6","4","1") = "6"
    & skf18("5","2","7","3","6","5","1") = "6"
    & skf18("5","2","7","3","6","6","1") = "6"
    & skf18("5","2","7","3","6","7","1") = "6"
    & skf18("5","2","7","3","6","8","1") = "7"
    & skf18("5","2","7","3","6","9","1") = "8"
    & skf18("5","2","7","3","6","10","1") = "9"
    & skf18("5","2","7","3","7","1","1") = "6"
    & skf18("5","2","7","3","7","2","1") = "6"
    & skf18("5","2","7","3","7","3","1") = "6"
    & skf18("5","2","7","3","7","4","1") = "6"
    & skf18("5","2","7","3","7","5","1") = "6"
    & skf18("5","2","7","3","7","6","1") = "6"
    & skf18("5","2","7","3","7","7","1") = "6"
    & skf18("5","2","7","3","7","8","1") = "7"
    & skf18("5","2","7","3","7","9","1") = "8"
    & skf18("5","2","7","3","7","10","1") = "9"
    & skf18("5","2","7","3","8","1","1") = "7"
    & skf18("5","2","7","3","8","2","1") = "7"
    & skf18("5","2","7","3","8","3","1") = "7"
    & skf18("5","2","7","3","8","4","1") = "7"
    & skf18("5","2","7","3","8","5","1") = "7"
    & skf18("5","2","7","3","8","6","1") = "7"
    & skf18("5","2","7","3","8","7","1") = "7"
    & skf18("5","2","7","3","8","8","1") = "7"
    & skf18("5","2","7","3","8","9","1") = "8"
    & skf18("5","2","7","3","8","10","1") = "9"
    & skf18("5","2","7","3","9","1","1") = "8"
    & skf18("5","2","7","3","9","2","1") = "8"
    & skf18("5","2","7","3","9","3","1") = "8"
    & skf18("5","2","7","3","9","4","1") = "8"
    & skf18("5","2","7","3","9","5","1") = "8"
    & skf18("5","2","7","3","9","6","1") = "8"
    & skf18("5","2","7","3","9","7","1") = "8"
    & skf18("5","2","7","3","9","8","1") = "8"
    & skf18("5","2","7","3","9","9","1") = "8"
    & skf18("5","2","7","3","9","10","1") = "9"
    & skf18("5","2","7","3","10","1","1") = "9"
    & skf18("5","2","7","3","10","2","1") = "9"
    & skf18("5","2","7","3","10","3","1") = "9"
    & skf18("5","2","7","3","10","4","1") = "9"
    & skf18("5","2","7","3","10","5","1") = "9"
    & skf18("5","2","7","3","10","6","1") = "9"
    & skf18("5","2","7","3","10","7","1") = "9"
    & skf18("5","2","7","3","10","8","1") = "9"
    & skf18("5","2","7","3","10","9","1") = "9"
    & skf18("5","2","7","3","10","10","1") = "9"
    & skf18("5","2","7","4","1","1","1") = "6"
    & skf18("5","2","7","4","1","2","1") = "6"
    & skf18("5","2","7","4","1","3","1") = "6"
    & skf18("5","2","7","4","1","4","1") = "6"
    & skf18("5","2","7","4","1","5","1") = "6"
    & skf18("5","2","7","4","1","6","1") = "6"
    & skf18("5","2","7","4","1","7","1") = "6"
    & skf18("5","2","7","4","1","8","1") = "7"
    & skf18("5","2","7","4","1","9","1") = "8"
    & skf18("5","2","7","4","1","10","1") = "9"
    & skf18("5","2","7","4","2","1","1") = "6"
    & skf18("5","2","7","4","2","2","1") = "6"
    & skf18("5","2","7","4","2","3","1") = "6"
    & skf18("5","2","7","4","2","4","1") = "6"
    & skf18("5","2","7","4","2","5","1") = "6"
    & skf18("5","2","7","4","2","6","1") = "6"
    & skf18("5","2","7","4","2","7","1") = "6"
    & skf18("5","2","7","4","2","8","1") = "7"
    & skf18("5","2","7","4","2","9","1") = "8"
    & skf18("5","2","7","4","2","10","1") = "9"
    & skf18("5","2","7","4","3","1","1") = "6"
    & skf18("5","2","7","4","3","2","1") = "6"
    & skf18("5","2","7","4","3","3","1") = "6"
    & skf18("5","2","7","4","3","4","1") = "6"
    & skf18("5","2","7","4","3","5","1") = "6"
    & skf18("5","2","7","4","3","6","1") = "6"
    & skf18("5","2","7","4","3","7","1") = "6"
    & skf18("5","2","7","4","3","8","1") = "7"
    & skf18("5","2","7","4","3","9","1") = "8"
    & skf18("5","2","7","4","3","10","1") = "9"
    & skf18("5","2","7","4","4","1","1") = "6"
    & skf18("5","2","7","4","4","2","1") = "6"
    & skf18("5","2","7","4","4","3","1") = "6"
    & skf18("5","2","7","4","4","4","1") = "6"
    & skf18("5","2","7","4","4","5","1") = "6"
    & skf18("5","2","7","4","4","6","1") = "6"
    & skf18("5","2","7","4","4","7","1") = "6"
    & skf18("5","2","7","4","4","8","1") = "7"
    & skf18("5","2","7","4","4","9","1") = "8"
    & skf18("5","2","7","4","4","10","1") = "9"
    & skf18("5","2","7","4","5","1","1") = "6"
    & skf18("5","2","7","4","5","2","1") = "6"
    & skf18("5","2","7","4","5","3","1") = "6"
    & skf18("5","2","7","4","5","4","1") = "6"
    & skf18("5","2","7","4","5","5","1") = "6"
    & skf18("5","2","7","4","5","6","1") = "6"
    & skf18("5","2","7","4","5","7","1") = "6"
    & skf18("5","2","7","4","5","8","1") = "7"
    & skf18("5","2","7","4","5","9","1") = "8"
    & skf18("5","2","7","4","5","10","1") = "9"
    & skf18("5","2","7","4","6","1","1") = "6"
    & skf18("5","2","7","4","6","2","1") = "6"
    & skf18("5","2","7","4","6","3","1") = "6"
    & skf18("5","2","7","4","6","4","1") = "6"
    & skf18("5","2","7","4","6","5","1") = "6"
    & skf18("5","2","7","4","6","6","1") = "6"
    & skf18("5","2","7","4","6","7","1") = "6"
    & skf18("5","2","7","4","6","8","1") = "7"
    & skf18("5","2","7","4","6","9","1") = "8"
    & skf18("5","2","7","4","6","10","1") = "9"
    & skf18("5","2","7","4","7","1","1") = "6"
    & skf18("5","2","7","4","7","2","1") = "6"
    & skf18("5","2","7","4","7","3","1") = "6"
    & skf18("5","2","7","4","7","4","1") = "6"
    & skf18("5","2","7","4","7","5","1") = "6"
    & skf18("5","2","7","4","7","6","1") = "6"
    & skf18("5","2","7","4","7","7","1") = "6"
    & skf18("5","2","7","4","7","8","1") = "7"
    & skf18("5","2","7","4","7","9","1") = "8"
    & skf18("5","2","7","4","7","10","1") = "9"
    & skf18("5","2","7","4","8","1","1") = "7"
    & skf18("5","2","7","4","8","2","1") = "7"
    & skf18("5","2","7","4","8","3","1") = "7"
    & skf18("5","2","7","4","8","4","1") = "7"
    & skf18("5","2","7","4","8","5","1") = "7"
    & skf18("5","2","7","4","8","6","1") = "7"
    & skf18("5","2","7","4","8","7","1") = "7"
    & skf18("5","2","7","4","8","8","1") = "7"
    & skf18("5","2","7","4","8","9","1") = "8"
    & skf18("5","2","7","4","8","10","1") = "9"
    & skf18("5","2","7","4","9","1","1") = "8"
    & skf18("5","2","7","4","9","2","1") = "8"
    & skf18("5","2","7","4","9","3","1") = "8"
    & skf18("5","2","7","4","9","4","1") = "8"
    & skf18("5","2","7","4","9","5","1") = "8"
    & skf18("5","2","7","4","9","6","1") = "8"
    & skf18("5","2","7","4","9","7","1") = "8"
    & skf18("5","2","7","4","9","8","1") = "8"
    & skf18("5","2","7","4","9","9","1") = "8"
    & skf18("5","2","7","4","9","10","1") = "9"
    & skf18("5","2","7","4","10","1","1") = "9"
    & skf18("5","2","7","4","10","2","1") = "9"
    & skf18("5","2","7","4","10","3","1") = "9"
    & skf18("5","2","7","4","10","4","1") = "9"
    & skf18("5","2","7","4","10","5","1") = "9"
    & skf18("5","2","7","4","10","6","1") = "9"
    & skf18("5","2","7","4","10","7","1") = "9"
    & skf18("5","2","7","4","10","8","1") = "9"
    & skf18("5","2","7","4","10","9","1") = "9"
    & skf18("5","2","7","4","10","10","1") = "9"
    & skf18("5","2","7","5","1","1","1") = "6"
    & skf18("5","2","7","5","1","2","1") = "6"
    & skf18("5","2","7","5","1","3","1") = "6"
    & skf18("5","2","7","5","1","4","1") = "6"
    & skf18("5","2","7","5","1","5","1") = "6"
    & skf18("5","2","7","5","1","6","1") = "6"
    & skf18("5","2","7","5","1","7","1") = "6"
    & skf18("5","2","7","5","1","8","1") = "7"
    & skf18("5","2","7","5","1","9","1") = "8"
    & skf18("5","2","7","5","1","10","1") = "9"
    & skf18("5","2","7","5","2","1","1") = "6"
    & skf18("5","2","7","5","2","2","1") = "6"
    & skf18("5","2","7","5","2","3","1") = "6"
    & skf18("5","2","7","5","2","4","1") = "6"
    & skf18("5","2","7","5","2","5","1") = "6"
    & skf18("5","2","7","5","2","6","1") = "6"
    & skf18("5","2","7","5","2","7","1") = "6"
    & skf18("5","2","7","5","2","8","1") = "7"
    & skf18("5","2","7","5","2","9","1") = "8"
    & skf18("5","2","7","5","2","10","1") = "9"
    & skf18("5","2","7","5","3","1","1") = "6"
    & skf18("5","2","7","5","3","2","1") = "6"
    & skf18("5","2","7","5","3","3","1") = "6"
    & skf18("5","2","7","5","3","4","1") = "6"
    & skf18("5","2","7","5","3","5","1") = "6"
    & skf18("5","2","7","5","3","6","1") = "6"
    & skf18("5","2","7","5","3","7","1") = "6"
    & skf18("5","2","7","5","3","8","1") = "7"
    & skf18("5","2","7","5","3","9","1") = "8"
    & skf18("5","2","7","5","3","10","1") = "9"
    & skf18("5","2","7","5","4","1","1") = "6"
    & skf18("5","2","7","5","4","2","1") = "6"
    & skf18("5","2","7","5","4","3","1") = "6"
    & skf18("5","2","7","5","4","4","1") = "6"
    & skf18("5","2","7","5","4","5","1") = "6"
    & skf18("5","2","7","5","4","6","1") = "6"
    & skf18("5","2","7","5","4","7","1") = "6"
    & skf18("5","2","7","5","4","8","1") = "7"
    & skf18("5","2","7","5","4","9","1") = "8"
    & skf18("5","2","7","5","4","10","1") = "9"
    & skf18("5","2","7","5","5","1","1") = "6"
    & skf18("5","2","7","5","5","2","1") = "6"
    & skf18("5","2","7","5","5","3","1") = "6"
    & skf18("5","2","7","5","5","4","1") = "6"
    & skf18("5","2","7","5","5","5","1") = "6"
    & skf18("5","2","7","5","5","6","1") = "6"
    & skf18("5","2","7","5","5","7","1") = "6"
    & skf18("5","2","7","5","5","8","1") = "7"
    & skf18("5","2","7","5","5","9","1") = "8"
    & skf18("5","2","7","5","5","10","1") = "9"
    & skf18("5","2","7","5","6","1","1") = "6"
    & skf18("5","2","7","5","6","2","1") = "6"
    & skf18("5","2","7","5","6","3","1") = "6"
    & skf18("5","2","7","5","6","4","1") = "6"
    & skf18("5","2","7","5","6","5","1") = "6"
    & skf18("5","2","7","5","6","6","1") = "6"
    & skf18("5","2","7","5","6","7","1") = "6"
    & skf18("5","2","7","5","6","8","1") = "7"
    & skf18("5","2","7","5","6","9","1") = "8"
    & skf18("5","2","7","5","6","10","1") = "9"
    & skf18("5","2","7","5","7","1","1") = "6"
    & skf18("5","2","7","5","7","2","1") = "6"
    & skf18("5","2","7","5","7","3","1") = "6"
    & skf18("5","2","7","5","7","4","1") = "6"
    & skf18("5","2","7","5","7","5","1") = "6"
    & skf18("5","2","7","5","7","6","1") = "6"
    & skf18("5","2","7","5","7","7","1") = "6"
    & skf18("5","2","7","5","7","8","1") = "7"
    & skf18("5","2","7","5","7","9","1") = "8"
    & skf18("5","2","7","5","7","10","1") = "9"
    & skf18("5","2","7","5","8","1","1") = "7"
    & skf18("5","2","7","5","8","2","1") = "7"
    & skf18("5","2","7","5","8","3","1") = "7"
    & skf18("5","2","7","5","8","4","1") = "7"
    & skf18("5","2","7","5","8","5","1") = "7"
    & skf18("5","2","7","5","8","6","1") = "7"
    & skf18("5","2","7","5","8","7","1") = "7"
    & skf18("5","2","7","5","8","8","1") = "7"
    & skf18("5","2","7","5","8","9","1") = "8"
    & skf18("5","2","7","5","8","10","1") = "9"
    & skf18("5","2","7","5","9","1","1") = "8"
    & skf18("5","2","7","5","9","2","1") = "8"
    & skf18("5","2","7","5","9","3","1") = "8"
    & skf18("5","2","7","5","9","4","1") = "8"
    & skf18("5","2","7","5","9","5","1") = "8"
    & skf18("5","2","7","5","9","6","1") = "8"
    & skf18("5","2","7","5","9","7","1") = "8"
    & skf18("5","2","7","5","9","8","1") = "8"
    & skf18("5","2","7","5","9","9","1") = "8"
    & skf18("5","2","7","5","9","10","1") = "9"
    & skf18("5","2","7","5","10","1","1") = "9"
    & skf18("5","2","7","5","10","2","1") = "9"
    & skf18("5","2","7","5","10","3","1") = "9"
    & skf18("5","2","7","5","10","4","1") = "9"
    & skf18("5","2","7","5","10","5","1") = "9"
    & skf18("5","2","7","5","10","6","1") = "9"
    & skf18("5","2","7","5","10","7","1") = "9"
    & skf18("5","2","7","5","10","8","1") = "9"
    & skf18("5","2","7","5","10","9","1") = "9"
    & skf18("5","2","7","5","10","10","1") = "9"
    & skf18("5","2","7","6","1","1","1") = "6"
    & skf18("5","2","7","6","1","2","1") = "6"
    & skf18("5","2","7","6","1","3","1") = "6"
    & skf18("5","2","7","6","1","4","1") = "6"
    & skf18("5","2","7","6","1","5","1") = "6"
    & skf18("5","2","7","6","1","6","1") = "6"
    & skf18("5","2","7","6","1","7","1") = "6"
    & skf18("5","2","7","6","1","8","1") = "7"
    & skf18("5","2","7","6","1","9","1") = "8"
    & skf18("5","2","7","6","1","10","1") = "9"
    & skf18("5","2","7","6","2","1","1") = "6"
    & skf18("5","2","7","6","2","2","1") = "6"
    & skf18("5","2","7","6","2","3","1") = "6"
    & skf18("5","2","7","6","2","4","1") = "6"
    & skf18("5","2","7","6","2","5","1") = "6"
    & skf18("5","2","7","6","2","6","1") = "6"
    & skf18("5","2","7","6","2","7","1") = "6"
    & skf18("5","2","7","6","2","8","1") = "7"
    & skf18("5","2","7","6","2","9","1") = "8"
    & skf18("5","2","7","6","2","10","1") = "9"
    & skf18("5","2","7","6","3","1","1") = "6"
    & skf18("5","2","7","6","3","2","1") = "6"
    & skf18("5","2","7","6","3","3","1") = "6"
    & skf18("5","2","7","6","3","4","1") = "6"
    & skf18("5","2","7","6","3","5","1") = "6"
    & skf18("5","2","7","6","3","6","1") = "6"
    & skf18("5","2","7","6","3","7","1") = "6"
    & skf18("5","2","7","6","3","8","1") = "7"
    & skf18("5","2","7","6","3","9","1") = "8"
    & skf18("5","2","7","6","3","10","1") = "9"
    & skf18("5","2","7","6","4","1","1") = "6"
    & skf18("5","2","7","6","4","2","1") = "6"
    & skf18("5","2","7","6","4","3","1") = "6"
    & skf18("5","2","7","6","4","4","1") = "6"
    & skf18("5","2","7","6","4","5","1") = "6"
    & skf18("5","2","7","6","4","6","1") = "6"
    & skf18("5","2","7","6","4","7","1") = "6"
    & skf18("5","2","7","6","4","8","1") = "7"
    & skf18("5","2","7","6","4","9","1") = "8"
    & skf18("5","2","7","6","4","10","1") = "9"
    & skf18("5","2","7","6","5","1","1") = "6"
    & skf18("5","2","7","6","5","2","1") = "6"
    & skf18("5","2","7","6","5","3","1") = "6"
    & skf18("5","2","7","6","5","4","1") = "6"
    & skf18("5","2","7","6","5","5","1") = "6"
    & skf18("5","2","7","6","5","6","1") = "6"
    & skf18("5","2","7","6","5","7","1") = "6"
    & skf18("5","2","7","6","5","8","1") = "7"
    & skf18("5","2","7","6","5","9","1") = "8"
    & skf18("5","2","7","6","5","10","1") = "9"
    & skf18("5","2","7","6","6","1","1") = "6"
    & skf18("5","2","7","6","6","2","1") = "6"
    & skf18("5","2","7","6","6","3","1") = "6"
    & skf18("5","2","7","6","6","4","1") = "6"
    & skf18("5","2","7","6","6","5","1") = "6"
    & skf18("5","2","7","6","6","6","1") = "6"
    & skf18("5","2","7","6","6","7","1") = "6"
    & skf18("5","2","7","6","6","8","1") = "7"
    & skf18("5","2","7","6","6","9","1") = "8"
    & skf18("5","2","7","6","6","10","1") = "9"
    & skf18("5","2","7","6","7","1","1") = "6"
    & skf18("5","2","7","6","7","2","1") = "6"
    & skf18("5","2","7","6","7","3","1") = "6"
    & skf18("5","2","7","6","7","4","1") = "6"
    & skf18("5","2","7","6","7","5","1") = "6"
    & skf18("5","2","7","6","7","6","1") = "6"
    & skf18("5","2","7","6","7","7","1") = "6"
    & skf18("5","2","7","6","7","8","1") = "7"
    & skf18("5","2","7","6","7","9","1") = "8"
    & skf18("5","2","7","6","7","10","1") = "9"
    & skf18("5","2","7","6","8","1","1") = "7"
    & skf18("5","2","7","6","8","2","1") = "7"
    & skf18("5","2","7","6","8","3","1") = "7"
    & skf18("5","2","7","6","8","4","1") = "7"
    & skf18("5","2","7","6","8","5","1") = "7"
    & skf18("5","2","7","6","8","6","1") = "7"
    & skf18("5","2","7","6","8","7","1") = "7"
    & skf18("5","2","7","6","8","8","1") = "7"
    & skf18("5","2","7","6","8","9","1") = "8"
    & skf18("5","2","7","6","8","10","1") = "9"
    & skf18("5","2","7","6","9","1","1") = "8"
    & skf18("5","2","7","6","9","2","1") = "8"
    & skf18("5","2","7","6","9","3","1") = "8"
    & skf18("5","2","7","6","9","4","1") = "8"
    & skf18("5","2","7","6","9","5","1") = "8"
    & skf18("5","2","7","6","9","6","1") = "8"
    & skf18("5","2","7","6","9","7","1") = "8"
    & skf18("5","2","7","6","9","8","1") = "8"
    & skf18("5","2","7","6","9","9","1") = "8"
    & skf18("5","2","7","6","9","10","1") = "9"
    & skf18("5","2","7","6","10","1","1") = "9"
    & skf18("5","2","7","6","10","2","1") = "9"
    & skf18("5","2","7","6","10","3","1") = "9"
    & skf18("5","2","7","6","10","4","1") = "9"
    & skf18("5","2","7","6","10","5","1") = "9"
    & skf18("5","2","7","6","10","6","1") = "9"
    & skf18("5","2","7","6","10","7","1") = "9"
    & skf18("5","2","7","6","10","8","1") = "9"
    & skf18("5","2","7","6","10","9","1") = "9"
    & skf18("5","2","7","6","10","10","1") = "9"
    & skf18("5","2","7","7","1","1","1") = "6"
    & skf18("5","2","7","7","1","2","1") = "6"
    & skf18("5","2","7","7","1","3","1") = "6"
    & skf18("5","2","7","7","1","4","1") = "6"
    & skf18("5","2","7","7","1","5","1") = "6"
    & skf18("5","2","7","7","1","6","1") = "6"
    & skf18("5","2","7","7","1","7","1") = "6"
    & skf18("5","2","7","7","1","8","1") = "7"
    & skf18("5","2","7","7","1","9","1") = "8"
    & skf18("5","2","7","7","1","10","1") = "9"
    & skf18("5","2","7","7","2","1","1") = "6"
    & skf18("5","2","7","7","2","2","1") = "6"
    & skf18("5","2","7","7","2","3","1") = "6"
    & skf18("5","2","7","7","2","4","1") = "6"
    & skf18("5","2","7","7","2","5","1") = "6"
    & skf18("5","2","7","7","2","6","1") = "6"
    & skf18("5","2","7","7","2","7","1") = "6"
    & skf18("5","2","7","7","2","8","1") = "7"
    & skf18("5","2","7","7","2","9","1") = "8"
    & skf18("5","2","7","7","2","10","1") = "9"
    & skf18("5","2","7","7","3","1","1") = "6"
    & skf18("5","2","7","7","3","2","1") = "6"
    & skf18("5","2","7","7","3","3","1") = "6"
    & skf18("5","2","7","7","3","4","1") = "6"
    & skf18("5","2","7","7","3","5","1") = "6"
    & skf18("5","2","7","7","3","6","1") = "6"
    & skf18("5","2","7","7","3","7","1") = "6"
    & skf18("5","2","7","7","3","8","1") = "7"
    & skf18("5","2","7","7","3","9","1") = "8"
    & skf18("5","2","7","7","3","10","1") = "9"
    & skf18("5","2","7","7","4","1","1") = "6"
    & skf18("5","2","7","7","4","2","1") = "6"
    & skf18("5","2","7","7","4","3","1") = "6"
    & skf18("5","2","7","7","4","4","1") = "6"
    & skf18("5","2","7","7","4","5","1") = "6"
    & skf18("5","2","7","7","4","6","1") = "6"
    & skf18("5","2","7","7","4","7","1") = "6"
    & skf18("5","2","7","7","4","8","1") = "7"
    & skf18("5","2","7","7","4","9","1") = "8"
    & skf18("5","2","7","7","4","10","1") = "9"
    & skf18("5","2","7","7","5","1","1") = "6"
    & skf18("5","2","7","7","5","2","1") = "6"
    & skf18("5","2","7","7","5","3","1") = "6"
    & skf18("5","2","7","7","5","4","1") = "6"
    & skf18("5","2","7","7","5","5","1") = "6"
    & skf18("5","2","7","7","5","6","1") = "6"
    & skf18("5","2","7","7","5","7","1") = "6"
    & skf18("5","2","7","7","5","8","1") = "7"
    & skf18("5","2","7","7","5","9","1") = "8"
    & skf18("5","2","7","7","5","10","1") = "9"
    & skf18("5","2","7","7","6","1","1") = "6"
    & skf18("5","2","7","7","6","2","1") = "6"
    & skf18("5","2","7","7","6","3","1") = "6"
    & skf18("5","2","7","7","6","4","1") = "6"
    & skf18("5","2","7","7","6","5","1") = "6"
    & skf18("5","2","7","7","6","6","1") = "6"
    & skf18("5","2","7","7","6","7","1") = "6"
    & skf18("5","2","7","7","6","8","1") = "7"
    & skf18("5","2","7","7","6","9","1") = "8"
    & skf18("5","2","7","7","6","10","1") = "9"
    & skf18("5","2","7","7","7","1","1") = "6"
    & skf18("5","2","7","7","7","2","1") = "6"
    & skf18("5","2","7","7","7","3","1") = "6"
    & skf18("5","2","7","7","7","4","1") = "6"
    & skf18("5","2","7","7","7","5","1") = "6"
    & skf18("5","2","7","7","7","6","1") = "6"
    & skf18("5","2","7","7","7","7","1") = "6"
    & skf18("5","2","7","7","7","8","1") = "7"
    & skf18("5","2","7","7","7","9","1") = "8"
    & skf18("5","2","7","7","7","10","1") = "9"
    & skf18("5","2","7","7","8","1","1") = "7"
    & skf18("5","2","7","7","8","2","1") = "7"
    & skf18("5","2","7","7","8","3","1") = "7"
    & skf18("5","2","7","7","8","4","1") = "7"
    & skf18("5","2","7","7","8","5","1") = "7"
    & skf18("5","2","7","7","8","6","1") = "7"
    & skf18("5","2","7","7","8","7","1") = "7"
    & skf18("5","2","7","7","8","8","1") = "7"
    & skf18("5","2","7","7","8","9","1") = "8"
    & skf18("5","2","7","7","8","10","1") = "9"
    & skf18("5","2","7","7","9","1","1") = "8"
    & skf18("5","2","7","7","9","2","1") = "8"
    & skf18("5","2","7","7","9","3","1") = "8"
    & skf18("5","2","7","7","9","4","1") = "8"
    & skf18("5","2","7","7","9","5","1") = "8"
    & skf18("5","2","7","7","9","6","1") = "8"
    & skf18("5","2","7","7","9","7","1") = "8"
    & skf18("5","2","7","7","9","8","1") = "8"
    & skf18("5","2","7","7","9","9","1") = "8"
    & skf18("5","2","7","7","9","10","1") = "9"
    & skf18("5","2","7","7","10","1","1") = "9"
    & skf18("5","2","7","7","10","2","1") = "9"
    & skf18("5","2","7","7","10","3","1") = "9"
    & skf18("5","2","7","7","10","4","1") = "9"
    & skf18("5","2","7","7","10","5","1") = "9"
    & skf18("5","2","7","7","10","6","1") = "9"
    & skf18("5","2","7","7","10","7","1") = "9"
    & skf18("5","2","7","7","10","8","1") = "9"
    & skf18("5","2","7","7","10","9","1") = "9"
    & skf18("5","2","7","7","10","10","1") = "9"
    & skf18("5","2","7","8","1","1","1") = "7"
    & skf18("5","2","7","8","1","2","1") = "7"
    & skf18("5","2","7","8","1","3","1") = "7"
    & skf18("5","2","7","8","1","4","1") = "7"
    & skf18("5","2","7","8","1","5","1") = "7"
    & skf18("5","2","7","8","1","6","1") = "7"
    & skf18("5","2","7","8","1","7","1") = "7"
    & skf18("5","2","7","8","1","8","1") = "7"
    & skf18("5","2","7","8","1","9","1") = "8"
    & skf18("5","2","7","8","1","10","1") = "9"
    & skf18("5","2","7","8","2","1","1") = "7"
    & skf18("5","2","7","8","2","2","1") = "7"
    & skf18("5","2","7","8","2","3","1") = "7"
    & skf18("5","2","7","8","2","4","1") = "7"
    & skf18("5","2","7","8","2","5","1") = "7"
    & skf18("5","2","7","8","2","6","1") = "7"
    & skf18("5","2","7","8","2","7","1") = "7"
    & skf18("5","2","7","8","2","8","1") = "7"
    & skf18("5","2","7","8","2","9","1") = "8"
    & skf18("5","2","7","8","2","10","1") = "9"
    & skf18("5","2","7","8","3","1","1") = "7"
    & skf18("5","2","7","8","3","2","1") = "7"
    & skf18("5","2","7","8","3","3","1") = "7"
    & skf18("5","2","7","8","3","4","1") = "7"
    & skf18("5","2","7","8","3","5","1") = "7"
    & skf18("5","2","7","8","3","6","1") = "7"
    & skf18("5","2","7","8","3","7","1") = "7"
    & skf18("5","2","7","8","3","8","1") = "7"
    & skf18("5","2","7","8","3","9","1") = "8"
    & skf18("5","2","7","8","3","10","1") = "9"
    & skf18("5","2","7","8","4","1","1") = "7"
    & skf18("5","2","7","8","4","2","1") = "7"
    & skf18("5","2","7","8","4","3","1") = "7"
    & skf18("5","2","7","8","4","4","1") = "7"
    & skf18("5","2","7","8","4","5","1") = "7"
    & skf18("5","2","7","8","4","6","1") = "7"
    & skf18("5","2","7","8","4","7","1") = "7"
    & skf18("5","2","7","8","4","8","1") = "7"
    & skf18("5","2","7","8","4","9","1") = "8"
    & skf18("5","2","7","8","4","10","1") = "9"
    & skf18("5","2","7","8","5","1","1") = "7"
    & skf18("5","2","7","8","5","2","1") = "7"
    & skf18("5","2","7","8","5","3","1") = "7"
    & skf18("5","2","7","8","5","4","1") = "7"
    & skf18("5","2","7","8","5","5","1") = "7"
    & skf18("5","2","7","8","5","6","1") = "7"
    & skf18("5","2","7","8","5","7","1") = "7"
    & skf18("5","2","7","8","5","8","1") = "7"
    & skf18("5","2","7","8","5","9","1") = "8"
    & skf18("5","2","7","8","5","10","1") = "9"
    & skf18("5","2","7","8","6","1","1") = "7"
    & skf18("5","2","7","8","6","2","1") = "7"
    & skf18("5","2","7","8","6","3","1") = "7"
    & skf18("5","2","7","8","6","4","1") = "7"
    & skf18("5","2","7","8","6","5","1") = "7"
    & skf18("5","2","7","8","6","6","1") = "7"
    & skf18("5","2","7","8","6","7","1") = "7"
    & skf18("5","2","7","8","6","8","1") = "7"
    & skf18("5","2","7","8","6","9","1") = "8"
    & skf18("5","2","7","8","6","10","1") = "9"
    & skf18("5","2","7","8","7","1","1") = "7"
    & skf18("5","2","7","8","7","2","1") = "7"
    & skf18("5","2","7","8","7","3","1") = "7"
    & skf18("5","2","7","8","7","4","1") = "7"
    & skf18("5","2","7","8","7","5","1") = "7"
    & skf18("5","2","7","8","7","6","1") = "7"
    & skf18("5","2","7","8","7","7","1") = "7"
    & skf18("5","2","7","8","7","8","1") = "7"
    & skf18("5","2","7","8","7","9","1") = "8"
    & skf18("5","2","7","8","7","10","1") = "9"
    & skf18("5","2","7","8","8","1","1") = "7"
    & skf18("5","2","7","8","8","2","1") = "7"
    & skf18("5","2","7","8","8","3","1") = "7"
    & skf18("5","2","7","8","8","4","1") = "7"
    & skf18("5","2","7","8","8","5","1") = "7"
    & skf18("5","2","7","8","8","6","1") = "7"
    & skf18("5","2","7","8","8","7","1") = "7"
    & skf18("5","2","7","8","8","8","1") = "7"
    & skf18("5","2","7","8","8","9","1") = "8"
    & skf18("5","2","7","8","8","10","1") = "9"
    & skf18("5","2","7","8","9","1","1") = "8"
    & skf18("5","2","7","8","9","2","1") = "8"
    & skf18("5","2","7","8","9","3","1") = "8"
    & skf18("5","2","7","8","9","4","1") = "8"
    & skf18("5","2","7","8","9","5","1") = "8"
    & skf18("5","2","7","8","9","6","1") = "8"
    & skf18("5","2","7","8","9","7","1") = "8"
    & skf18("5","2","7","8","9","8","1") = "8"
    & skf18("5","2","7","8","9","9","1") = "8"
    & skf18("5","2","7","8","9","10","1") = "9"
    & skf18("5","2","7","8","10","1","1") = "9"
    & skf18("5","2","7","8","10","2","1") = "9"
    & skf18("5","2","7","8","10","3","1") = "9"
    & skf18("5","2","7","8","10","4","1") = "9"
    & skf18("5","2","7","8","10","5","1") = "9"
    & skf18("5","2","7","8","10","6","1") = "9"
    & skf18("5","2","7","8","10","7","1") = "9"
    & skf18("5","2","7","8","10","8","1") = "9"
    & skf18("5","2","7","8","10","9","1") = "9"
    & skf18("5","2","7","8","10","10","1") = "9"
    & skf18("5","2","7","9","1","1","1") = "8"
    & skf18("5","2","7","9","1","2","1") = "8"
    & skf18("5","2","7","9","1","3","1") = "8"
    & skf18("5","2","7","9","1","4","1") = "8"
    & skf18("5","2","7","9","1","5","1") = "8"
    & skf18("5","2","7","9","1","6","1") = "8"
    & skf18("5","2","7","9","1","7","1") = "8"
    & skf18("5","2","7","9","1","8","1") = "8"
    & skf18("5","2","7","9","1","9","1") = "8"
    & skf18("5","2","7","9","1","10","1") = "9"
    & skf18("5","2","7","9","2","1","1") = "8"
    & skf18("5","2","7","9","2","2","1") = "8"
    & skf18("5","2","7","9","2","3","1") = "8"
    & skf18("5","2","7","9","2","4","1") = "8"
    & skf18("5","2","7","9","2","5","1") = "8"
    & skf18("5","2","7","9","2","6","1") = "8"
    & skf18("5","2","7","9","2","7","1") = "8"
    & skf18("5","2","7","9","2","8","1") = "8"
    & skf18("5","2","7","9","2","9","1") = "8"
    & skf18("5","2","7","9","2","10","1") = "9"
    & skf18("5","2","7","9","3","1","1") = "8"
    & skf18("5","2","7","9","3","2","1") = "8"
    & skf18("5","2","7","9","3","3","1") = "8"
    & skf18("5","2","7","9","3","4","1") = "8"
    & skf18("5","2","7","9","3","5","1") = "8"
    & skf18("5","2","7","9","3","6","1") = "8"
    & skf18("5","2","7","9","3","7","1") = "8"
    & skf18("5","2","7","9","3","8","1") = "8"
    & skf18("5","2","7","9","3","9","1") = "8"
    & skf18("5","2","7","9","3","10","1") = "9"
    & skf18("5","2","7","9","4","1","1") = "8"
    & skf18("5","2","7","9","4","2","1") = "8"
    & skf18("5","2","7","9","4","3","1") = "8"
    & skf18("5","2","7","9","4","4","1") = "8"
    & skf18("5","2","7","9","4","5","1") = "8"
    & skf18("5","2","7","9","4","6","1") = "8"
    & skf18("5","2","7","9","4","7","1") = "8"
    & skf18("5","2","7","9","4","8","1") = "8"
    & skf18("5","2","7","9","4","9","1") = "8"
    & skf18("5","2","7","9","4","10","1") = "9"
    & skf18("5","2","7","9","5","1","1") = "8"
    & skf18("5","2","7","9","5","2","1") = "8"
    & skf18("5","2","7","9","5","3","1") = "8"
    & skf18("5","2","7","9","5","4","1") = "8"
    & skf18("5","2","7","9","5","5","1") = "8"
    & skf18("5","2","7","9","5","6","1") = "8"
    & skf18("5","2","7","9","5","7","1") = "8"
    & skf18("5","2","7","9","5","8","1") = "8"
    & skf18("5","2","7","9","5","9","1") = "8"
    & skf18("5","2","7","9","5","10","1") = "9"
    & skf18("5","2","7","9","6","1","1") = "8"
    & skf18("5","2","7","9","6","2","1") = "8"
    & skf18("5","2","7","9","6","3","1") = "8"
    & skf18("5","2","7","9","6","4","1") = "8"
    & skf18("5","2","7","9","6","5","1") = "8"
    & skf18("5","2","7","9","6","6","1") = "8"
    & skf18("5","2","7","9","6","7","1") = "8"
    & skf18("5","2","7","9","6","8","1") = "8"
    & skf18("5","2","7","9","6","9","1") = "8"
    & skf18("5","2","7","9","6","10","1") = "9"
    & skf18("5","2","7","9","7","1","1") = "8"
    & skf18("5","2","7","9","7","2","1") = "8"
    & skf18("5","2","7","9","7","3","1") = "8"
    & skf18("5","2","7","9","7","4","1") = "8"
    & skf18("5","2","7","9","7","5","1") = "8"
    & skf18("5","2","7","9","7","6","1") = "8"
    & skf18("5","2","7","9","7","7","1") = "8"
    & skf18("5","2","7","9","7","8","1") = "8"
    & skf18("5","2","7","9","7","9","1") = "8"
    & skf18("5","2","7","9","7","10","1") = "9"
    & skf18("5","2","7","9","8","1","1") = "8"
    & skf18("5","2","7","9","8","2","1") = "8"
    & skf18("5","2","7","9","8","3","1") = "8"
    & skf18("5","2","7","9","8","4","1") = "8"
    & skf18("5","2","7","9","8","5","1") = "8"
    & skf18("5","2","7","9","8","6","1") = "8"
    & skf18("5","2","7","9","8","7","1") = "8"
    & skf18("5","2","7","9","8","8","1") = "8"
    & skf18("5","2","7","9","8","9","1") = "8"
    & skf18("5","2","7","9","8","10","1") = "9"
    & skf18("5","2","7","9","9","1","1") = "8"
    & skf18("5","2","7","9","9","2","1") = "8"
    & skf18("5","2","7","9","9","3","1") = "8"
    & skf18("5","2","7","9","9","4","1") = "8"
    & skf18("5","2","7","9","9","5","1") = "8"
    & skf18("5","2","7","9","9","6","1") = "8"
    & skf18("5","2","7","9","9","7","1") = "8"
    & skf18("5","2","7","9","9","8","1") = "8"
    & skf18("5","2","7","9","9","9","1") = "8"
    & skf18("5","2","7","9","9","10","1") = "9"
    & skf18("5","2","7","9","10","1","1") = "9"
    & skf18("5","2","7","9","10","2","1") = "9"
    & skf18("5","2","7","9","10","3","1") = "9"
    & skf18("5","2","7","9","10","4","1") = "9"
    & skf18("5","2","7","9","10","5","1") = "9"
    & skf18("5","2","7","9","10","6","1") = "9"
    & skf18("5","2","7","9","10","7","1") = "9"
    & skf18("5","2","7","9","10","8","1") = "9"
    & skf18("5","2","7","9","10","9","1") = "9"
    & skf18("5","2","7","9","10","10","1") = "9"
    & skf18("5","2","7","10","1","1","1") = "9"
    & skf18("5","2","7","10","1","2","1") = "9"
    & skf18("5","2","7","10","1","3","1") = "9"
    & skf18("5","2","7","10","1","4","1") = "9"
    & skf18("5","2","7","10","1","5","1") = "9"
    & skf18("5","2","7","10","1","6","1") = "9"
    & skf18("5","2","7","10","1","7","1") = "9"
    & skf18("5","2","7","10","1","8","1") = "9"
    & skf18("5","2","7","10","1","9","1") = "9"
    & skf18("5","2","7","10","1","10","1") = "9"
    & skf18("5","2","7","10","2","1","1") = "9"
    & skf18("5","2","7","10","2","2","1") = "9"
    & skf18("5","2","7","10","2","3","1") = "9"
    & skf18("5","2","7","10","2","4","1") = "9"
    & skf18("5","2","7","10","2","5","1") = "9"
    & skf18("5","2","7","10","2","6","1") = "9"
    & skf18("5","2","7","10","2","7","1") = "9"
    & skf18("5","2","7","10","2","8","1") = "9"
    & skf18("5","2","7","10","2","9","1") = "9"
    & skf18("5","2","7","10","2","10","1") = "9"
    & skf18("5","2","7","10","3","1","1") = "9"
    & skf18("5","2","7","10","3","2","1") = "9"
    & skf18("5","2","7","10","3","3","1") = "9"
    & skf18("5","2","7","10","3","4","1") = "9"
    & skf18("5","2","7","10","3","5","1") = "9"
    & skf18("5","2","7","10","3","6","1") = "9"
    & skf18("5","2","7","10","3","7","1") = "9"
    & skf18("5","2","7","10","3","8","1") = "9"
    & skf18("5","2","7","10","3","9","1") = "9"
    & skf18("5","2","7","10","3","10","1") = "9"
    & skf18("5","2","7","10","4","1","1") = "9"
    & skf18("5","2","7","10","4","2","1") = "9"
    & skf18("5","2","7","10","4","3","1") = "9"
    & skf18("5","2","7","10","4","4","1") = "9"
    & skf18("5","2","7","10","4","5","1") = "9"
    & skf18("5","2","7","10","4","6","1") = "9"
    & skf18("5","2","7","10","4","7","1") = "9"
    & skf18("5","2","7","10","4","8","1") = "9"
    & skf18("5","2","7","10","4","9","1") = "9"
    & skf18("5","2","7","10","4","10","1") = "9"
    & skf18("5","2","7","10","5","1","1") = "9"
    & skf18("5","2","7","10","5","2","1") = "9"
    & skf18("5","2","7","10","5","3","1") = "9"
    & skf18("5","2","7","10","5","4","1") = "9"
    & skf18("5","2","7","10","5","5","1") = "9"
    & skf18("5","2","7","10","5","6","1") = "9"
    & skf18("5","2","7","10","5","7","1") = "9"
    & skf18("5","2","7","10","5","8","1") = "9"
    & skf18("5","2","7","10","5","9","1") = "9"
    & skf18("5","2","7","10","5","10","1") = "9"
    & skf18("5","2","7","10","6","1","1") = "9"
    & skf18("5","2","7","10","6","2","1") = "9"
    & skf18("5","2","7","10","6","3","1") = "9"
    & skf18("5","2","7","10","6","4","1") = "9"
    & skf18("5","2","7","10","6","5","1") = "9"
    & skf18("5","2","7","10","6","6","1") = "9"
    & skf18("5","2","7","10","6","7","1") = "9"
    & skf18("5","2","7","10","6","8","1") = "9"
    & skf18("5","2","7","10","6","9","1") = "9"
    & skf18("5","2","7","10","6","10","1") = "9"
    & skf18("5","2","7","10","7","1","1") = "9"
    & skf18("5","2","7","10","7","2","1") = "9"
    & skf18("5","2","7","10","7","3","1") = "9"
    & skf18("5","2","7","10","7","4","1") = "9"
    & skf18("5","2","7","10","7","5","1") = "9"
    & skf18("5","2","7","10","7","6","1") = "9"
    & skf18("5","2","7","10","7","7","1") = "9"
    & skf18("5","2","7","10","7","8","1") = "9"
    & skf18("5","2","7","10","7","9","1") = "9"
    & skf18("5","2","7","10","7","10","1") = "9"
    & skf18("5","2","7","10","8","1","1") = "9"
    & skf18("5","2","7","10","8","2","1") = "9"
    & skf18("5","2","7","10","8","3","1") = "9"
    & skf18("5","2","7","10","8","4","1") = "9"
    & skf18("5","2","7","10","8","5","1") = "9"
    & skf18("5","2","7","10","8","6","1") = "9"
    & skf18("5","2","7","10","8","7","1") = "9"
    & skf18("5","2","7","10","8","8","1") = "9"
    & skf18("5","2","7","10","8","9","1") = "9"
    & skf18("5","2","7","10","8","10","1") = "9"
    & skf18("5","2","7","10","9","1","1") = "9"
    & skf18("5","2","7","10","9","2","1") = "9"
    & skf18("5","2","7","10","9","3","1") = "9"
    & skf18("5","2","7","10","9","4","1") = "9"
    & skf18("5","2","7","10","9","5","1") = "9"
    & skf18("5","2","7","10","9","6","1") = "9"
    & skf18("5","2","7","10","9","7","1") = "9"
    & skf18("5","2","7","10","9","8","1") = "9"
    & skf18("5","2","7","10","9","9","1") = "9"
    & skf18("5","2","7","10","9","10","1") = "9"
    & skf18("5","2","7","10","10","1","1") = "9"
    & skf18("5","2","7","10","10","2","1") = "9"
    & skf18("5","2","7","10","10","3","1") = "9"
    & skf18("5","2","7","10","10","4","1") = "9"
    & skf18("5","2","7","10","10","5","1") = "9"
    & skf18("5","2","7","10","10","6","1") = "9"
    & skf18("5","2","7","10","10","7","1") = "9"
    & skf18("5","2","7","10","10","8","1") = "9"
    & skf18("5","2","7","10","10","9","1") = "9"
    & skf18("5","2","7","10","10","10","1") = "9"
    & skf18("5","2","8","1","1","1","1") = "7"
    & skf18("5","2","8","1","1","2","1") = "7"
    & skf18("5","2","8","1","1","3","1") = "7"
    & skf18("5","2","8","1","1","4","1") = "7"
    & skf18("5","2","8","1","1","5","1") = "7"
    & skf18("5","2","8","1","1","6","1") = "7"
    & skf18("5","2","8","1","1","7","1") = "7"
    & skf18("5","2","8","1","1","8","1") = "7"
    & skf18("5","2","8","1","1","9","1") = "8"
    & skf18("5","2","8","1","1","10","1") = "9"
    & skf18("5","2","8","1","2","1","1") = "7"
    & skf18("5","2","8","1","2","2","1") = "7"
    & skf18("5","2","8","1","2","3","1") = "7"
    & skf18("5","2","8","1","2","4","1") = "7"
    & skf18("5","2","8","1","2","5","1") = "7"
    & skf18("5","2","8","1","2","6","1") = "7"
    & skf18("5","2","8","1","2","7","1") = "7"
    & skf18("5","2","8","1","2","8","1") = "7"
    & skf18("5","2","8","1","2","9","1") = "8"
    & skf18("5","2","8","1","2","10","1") = "9"
    & skf18("5","2","8","1","3","1","1") = "7"
    & skf18("5","2","8","1","3","2","1") = "7"
    & skf18("5","2","8","1","3","3","1") = "7"
    & skf18("5","2","8","1","3","4","1") = "7"
    & skf18("5","2","8","1","3","5","1") = "7"
    & skf18("5","2","8","1","3","6","1") = "7"
    & skf18("5","2","8","1","3","7","1") = "7"
    & skf18("5","2","8","1","3","8","1") = "7"
    & skf18("5","2","8","1","3","9","1") = "8"
    & skf18("5","2","8","1","3","10","1") = "9"
    & skf18("5","2","8","1","4","1","1") = "7"
    & skf18("5","2","8","1","4","2","1") = "7"
    & skf18("5","2","8","1","4","3","1") = "7"
    & skf18("5","2","8","1","4","4","1") = "7"
    & skf18("5","2","8","1","4","5","1") = "7"
    & skf18("5","2","8","1","4","6","1") = "7"
    & skf18("5","2","8","1","4","7","1") = "7"
    & skf18("5","2","8","1","4","8","1") = "7"
    & skf18("5","2","8","1","4","9","1") = "8"
    & skf18("5","2","8","1","4","10","1") = "9"
    & skf18("5","2","8","1","5","1","1") = "7"
    & skf18("5","2","8","1","5","2","1") = "7"
    & skf18("5","2","8","1","5","3","1") = "7"
    & skf18("5","2","8","1","5","4","1") = "7"
    & skf18("5","2","8","1","5","5","1") = "7"
    & skf18("5","2","8","1","5","6","1") = "7"
    & skf18("5","2","8","1","5","7","1") = "7"
    & skf18("5","2","8","1","5","8","1") = "7"
    & skf18("5","2","8","1","5","9","1") = "8"
    & skf18("5","2","8","1","5","10","1") = "9"
    & skf18("5","2","8","1","6","1","1") = "7"
    & skf18("5","2","8","1","6","2","1") = "7"
    & skf18("5","2","8","1","6","3","1") = "7"
    & skf18("5","2","8","1","6","4","1") = "7"
    & skf18("5","2","8","1","6","5","1") = "7"
    & skf18("5","2","8","1","6","6","1") = "7"
    & skf18("5","2","8","1","6","7","1") = "7"
    & skf18("5","2","8","1","6","8","1") = "7"
    & skf18("5","2","8","1","6","9","1") = "8"
    & skf18("5","2","8","1","6","10","1") = "9"
    & skf18("5","2","8","1","7","1","1") = "7"
    & skf18("5","2","8","1","7","2","1") = "7"
    & skf18("5","2","8","1","7","3","1") = "7"
    & skf18("5","2","8","1","7","4","1") = "7"
    & skf18("5","2","8","1","7","5","1") = "7"
    & skf18("5","2","8","1","7","6","1") = "7"
    & skf18("5","2","8","1","7","7","1") = "7"
    & skf18("5","2","8","1","7","8","1") = "7"
    & skf18("5","2","8","1","7","9","1") = "8"
    & skf18("5","2","8","1","7","10","1") = "9"
    & skf18("5","2","8","1","8","1","1") = "7"
    & skf18("5","2","8","1","8","2","1") = "7"
    & skf18("5","2","8","1","8","3","1") = "7"
    & skf18("5","2","8","1","8","4","1") = "7"
    & skf18("5","2","8","1","8","5","1") = "7"
    & skf18("5","2","8","1","8","6","1") = "7"
    & skf18("5","2","8","1","8","7","1") = "7"
    & skf18("5","2","8","1","8","8","1") = "7"
    & skf18("5","2","8","1","8","9","1") = "8"
    & skf18("5","2","8","1","8","10","1") = "9"
    & skf18("5","2","8","1","9","1","1") = "8"
    & skf18("5","2","8","1","9","2","1") = "8"
    & skf18("5","2","8","1","9","3","1") = "8"
    & skf18("5","2","8","1","9","4","1") = "8"
    & skf18("5","2","8","1","9","5","1") = "8"
    & skf18("5","2","8","1","9","6","1") = "8"
    & skf18("5","2","8","1","9","7","1") = "8"
    & skf18("5","2","8","1","9","8","1") = "8"
    & skf18("5","2","8","1","9","9","1") = "8"
    & skf18("5","2","8","1","9","10","1") = "9"
    & skf18("5","2","8","1","10","1","1") = "9"
    & skf18("5","2","8","1","10","2","1") = "9"
    & skf18("5","2","8","1","10","3","1") = "9"
    & skf18("5","2","8","1","10","4","1") = "9"
    & skf18("5","2","8","1","10","5","1") = "9"
    & skf18("5","2","8","1","10","6","1") = "9"
    & skf18("5","2","8","1","10","7","1") = "9"
    & skf18("5","2","8","1","10","8","1") = "9"
    & skf18("5","2","8","1","10","9","1") = "9"
    & skf18("5","2","8","1","10","10","1") = "9"
    & skf18("5","2","8","2","1","1","1") = "7"
    & skf18("5","2","8","2","1","2","1") = "7"
    & skf18("5","2","8","2","1","3","1") = "7"
    & skf18("5","2","8","2","1","4","1") = "7"
    & skf18("5","2","8","2","1","5","1") = "7"
    & skf18("5","2","8","2","1","6","1") = "7"
    & skf18("5","2","8","2","1","7","1") = "7"
    & skf18("5","2","8","2","1","8","1") = "7"
    & skf18("5","2","8","2","1","9","1") = "8"
    & skf18("5","2","8","2","1","10","1") = "9"
    & skf18("5","2","8","2","2","1","1") = "7"
    & skf18("5","2","8","2","2","2","1") = "7"
    & skf18("5","2","8","2","2","3","1") = "7"
    & skf18("5","2","8","2","2","4","1") = "7"
    & skf18("5","2","8","2","2","5","1") = "7"
    & skf18("5","2","8","2","2","6","1") = "7"
    & skf18("5","2","8","2","2","7","1") = "7"
    & skf18("5","2","8","2","2","8","1") = "7"
    & skf18("5","2","8","2","2","9","1") = "8"
    & skf18("5","2","8","2","2","10","1") = "9"
    & skf18("5","2","8","2","3","1","1") = "7"
    & skf18("5","2","8","2","3","2","1") = "7"
    & skf18("5","2","8","2","3","3","1") = "7"
    & skf18("5","2","8","2","3","4","1") = "7"
    & skf18("5","2","8","2","3","5","1") = "7"
    & skf18("5","2","8","2","3","6","1") = "7"
    & skf18("5","2","8","2","3","7","1") = "7"
    & skf18("5","2","8","2","3","8","1") = "7"
    & skf18("5","2","8","2","3","9","1") = "8"
    & skf18("5","2","8","2","3","10","1") = "9"
    & skf18("5","2","8","2","4","1","1") = "7"
    & skf18("5","2","8","2","4","2","1") = "7"
    & skf18("5","2","8","2","4","3","1") = "7"
    & skf18("5","2","8","2","4","4","1") = "7"
    & skf18("5","2","8","2","4","5","1") = "7"
    & skf18("5","2","8","2","4","6","1") = "7"
    & skf18("5","2","8","2","4","7","1") = "7"
    & skf18("5","2","8","2","4","8","1") = "7"
    & skf18("5","2","8","2","4","9","1") = "8"
    & skf18("5","2","8","2","4","10","1") = "9"
    & skf18("5","2","8","2","5","1","1") = "7"
    & skf18("5","2","8","2","5","2","1") = "7"
    & skf18("5","2","8","2","5","3","1") = "7"
    & skf18("5","2","8","2","5","4","1") = "7"
    & skf18("5","2","8","2","5","5","1") = "7"
    & skf18("5","2","8","2","5","6","1") = "4"
    & skf18("5","2","8","2","5","7","1") = "4"
    & skf18("5","2","8","2","5","8","1") = "7"
    & skf18("5","2","8","2","5","9","1") = "8"
    & skf18("5","2","8","2","5","10","1") = "9"
    & skf18("5","2","8","2","6","1","1") = "4"
    & skf18("5","2","8","2","6","2","1") = "7"
    & skf18("5","2","8","2","6","3","1") = "7"
    & skf18("5","2","8","2","6","4","1") = "7"
    & skf18("5","2","8","2","6","5","1") = "4"
    & skf18("5","2","8","2","6","6","1") = "4"
    & skf18("5","2","8","2","6","7","1") = "4"
    & skf18("5","2","8","2","6","8","1") = "7"
    & skf18("5","2","8","2","6","9","1") = "8"
    & skf18("5","2","8","2","6","10","1") = "9"
    & skf18("5","2","8","2","7","1","1") = "4"
    & skf18("5","2","8","2","7","2","1") = "7"
    & skf18("5","2","8","2","7","3","1") = "7"
    & skf18("5","2","8","2","7","4","1") = "7"
    & skf18("5","2","8","2","7","5","1") = "7"
    & skf18("5","2","8","2","7","6","1") = "7"
    & skf18("5","2","8","2","7","7","1") = "7"
    & skf18("5","2","8","2","7","8","1") = "7"
    & skf18("5","2","8","2","7","9","1") = "8"
    & skf18("5","2","8","2","7","10","1") = "9"
    & skf18("5","2","8","2","8","1","1") = "7"
    & skf18("5","2","8","2","8","2","1") = "7"
    & skf18("5","2","8","2","8","3","1") = "7"
    & skf18("5","2","8","2","8","4","1") = "7"
    & skf18("5","2","8","2","8","5","1") = "7"
    & skf18("5","2","8","2","8","6","1") = "7"
    & skf18("5","2","8","2","8","7","1") = "7"
    & skf18("5","2","8","2","8","8","1") = "7"
    & skf18("5","2","8","2","8","9","1") = "8"
    & skf18("5","2","8","2","8","10","1") = "9"
    & skf18("5","2","8","2","9","1","1") = "8"
    & skf18("5","2","8","2","9","2","1") = "8"
    & skf18("5","2","8","2","9","3","1") = "8"
    & skf18("5","2","8","2","9","4","1") = "8"
    & skf18("5","2","8","2","9","5","1") = "8"
    & skf18("5","2","8","2","9","6","1") = "8"
    & skf18("5","2","8","2","9","7","1") = "8"
    & skf18("5","2","8","2","9","8","1") = "8"
    & skf18("5","2","8","2","9","9","1") = "8"
    & skf18("5","2","8","2","9","10","1") = "9"
    & skf18("5","2","8","2","10","1","1") = "9"
    & skf18("5","2","8","2","10","2","1") = "9"
    & skf18("5","2","8","2","10","3","1") = "9"
    & skf18("5","2","8","2","10","4","1") = "9"
    & skf18("5","2","8","2","10","5","1") = "9"
    & skf18("5","2","8","2","10","6","1") = "9"
    & skf18("5","2","8","2","10","7","1") = "9"
    & skf18("5","2","8","2","10","8","1") = "9"
    & skf18("5","2","8","2","10","9","1") = "9"
    & skf18("5","2","8","2","10","10","1") = "9"
    & skf18("5","2","8","3","1","1","1") = "7"
    & skf18("5","2","8","3","1","2","1") = "7"
    & skf18("5","2","8","3","1","3","1") = "7"
    & skf18("5","2","8","3","1","4","1") = "7"
    & skf18("5","2","8","3","1","5","1") = "7"
    & skf18("5","2","8","3","1","6","1") = "7"
    & skf18("5","2","8","3","1","7","1") = "7"
    & skf18("5","2","8","3","1","8","1") = "7"
    & skf18("5","2","8","3","1","9","1") = "8"
    & skf18("5","2","8","3","1","10","1") = "9"
    & skf18("5","2","8","3","2","1","1") = "7"
    & skf18("5","2","8","3","2","2","1") = "7"
    & skf18("5","2","8","3","2","3","1") = "7"
    & skf18("5","2","8","3","2","4","1") = "7"
    & skf18("5","2","8","3","2","5","1") = "7"
    & skf18("5","2","8","3","2","6","1") = "7"
    & skf18("5","2","8","3","2","7","1") = "7"
    & skf18("5","2","8","3","2","8","1") = "7"
    & skf18("5","2","8","3","2","9","1") = "8"
    & skf18("5","2","8","3","2","10","1") = "9"
    & skf18("5","2","8","3","3","1","1") = "7"
    & skf18("5","2","8","3","3","2","1") = "7"
    & skf18("5","2","8","3","3","3","1") = "7"
    & skf18("5","2","8","3","3","4","1") = "7"
    & skf18("5","2","8","3","3","5","1") = "7"
    & skf18("5","2","8","3","3","6","1") = "7"
    & skf18("5","2","8","3","3","7","1") = "7"
    & skf18("5","2","8","3","3","8","1") = "7"
    & skf18("5","2","8","3","3","9","1") = "8"
    & skf18("5","2","8","3","3","10","1") = "9"
    & skf18("5","2","8","3","4","1","1") = "7"
    & skf18("5","2","8","3","4","2","1") = "7"
    & skf18("5","2","8","3","4","3","1") = "7"
    & skf18("5","2","8","3","4","4","1") = "7"
    & skf18("5","2","8","3","4","5","1") = "7"
    & skf18("5","2","8","3","4","6","1") = "7"
    & skf18("5","2","8","3","4","7","1") = "7"
    & skf18("5","2","8","3","4","8","1") = "7"
    & skf18("5","2","8","3","4","9","1") = "8"
    & skf18("5","2","8","3","4","10","1") = "9"
    & skf18("5","2","8","3","5","1","1") = "7"
    & skf18("5","2","8","3","5","2","1") = "7"
    & skf18("5","2","8","3","5","3","1") = "7"
    & skf18("5","2","8","3","5","4","1") = "7"
    & skf18("5","2","8","3","5","5","1") = "7"
    & skf18("5","2","8","3","5","6","1") = "7"
    & skf18("5","2","8","3","5","7","1") = "7"
    & skf18("5","2","8","3","5","8","1") = "7"
    & skf18("5","2","8","3","5","9","1") = "8"
    & skf18("5","2","8","3","5","10","1") = "9"
    & skf18("5","2","8","3","6","1","1") = "7"
    & skf18("5","2","8","3","6","2","1") = "7"
    & skf18("5","2","8","3","6","3","1") = "7"
    & skf18("5","2","8","3","6","4","1") = "7"
    & skf18("5","2","8","3","6","5","1") = "7"
    & skf18("5","2","8","3","6","6","1") = "7"
    & skf18("5","2","8","3","6","7","1") = "7"
    & skf18("5","2","8","3","6","8","1") = "7"
    & skf18("5","2","8","3","6","9","1") = "8"
    & skf18("5","2","8","3","6","10","1") = "9"
    & skf18("5","2","8","3","7","1","1") = "7"
    & skf18("5","2","8","3","7","2","1") = "7"
    & skf18("5","2","8","3","7","3","1") = "7"
    & skf18("5","2","8","3","7","4","1") = "7"
    & skf18("5","2","8","3","7","5","1") = "7"
    & skf18("5","2","8","3","7","6","1") = "7"
    & skf18("5","2","8","3","7","7","1") = "7"
    & skf18("5","2","8","3","7","8","1") = "7"
    & skf18("5","2","8","3","7","9","1") = "8"
    & skf18("5","2","8","3","7","10","1") = "9"
    & skf18("5","2","8","3","8","1","1") = "7"
    & skf18("5","2","8","3","8","2","1") = "7"
    & skf18("5","2","8","3","8","3","1") = "7"
    & skf18("5","2","8","3","8","4","1") = "7"
    & skf18("5","2","8","3","8","5","1") = "7"
    & skf18("5","2","8","3","8","6","1") = "7"
    & skf18("5","2","8","3","8","7","1") = "7"
    & skf18("5","2","8","3","8","8","1") = "7"
    & skf18("5","2","8","3","8","9","1") = "8"
    & skf18("5","2","8","3","8","10","1") = "9"
    & skf18("5","2","8","3","9","1","1") = "8"
    & skf18("5","2","8","3","9","2","1") = "8"
    & skf18("5","2","8","3","9","3","1") = "8"
    & skf18("5","2","8","3","9","4","1") = "8"
    & skf18("5","2","8","3","9","5","1") = "8"
    & skf18("5","2","8","3","9","6","1") = "8"
    & skf18("5","2","8","3","9","7","1") = "8"
    & skf18("5","2","8","3","9","8","1") = "8"
    & skf18("5","2","8","3","9","9","1") = "8"
    & skf18("5","2","8","3","9","10","1") = "9"
    & skf18("5","2","8","3","10","1","1") = "9"
    & skf18("5","2","8","3","10","2","1") = "9"
    & skf18("5","2","8","3","10","3","1") = "9"
    & skf18("5","2","8","3","10","4","1") = "9"
    & skf18("5","2","8","3","10","5","1") = "9"
    & skf18("5","2","8","3","10","6","1") = "9"
    & skf18("5","2","8","3","10","7","1") = "9"
    & skf18("5","2","8","3","10","8","1") = "9"
    & skf18("5","2","8","3","10","9","1") = "9"
    & skf18("5","2","8","3","10","10","1") = "9"
    & skf18("5","2","8","4","1","1","1") = "7"
    & skf18("5","2","8","4","1","2","1") = "7"
    & skf18("5","2","8","4","1","3","1") = "7"
    & skf18("5","2","8","4","1","4","1") = "7"
    & skf18("5","2","8","4","1","5","1") = "7"
    & skf18("5","2","8","4","1","6","1") = "7"
    & skf18("5","2","8","4","1","7","1") = "7"
    & skf18("5","2","8","4","1","8","1") = "7"
    & skf18("5","2","8","4","1","9","1") = "8"
    & skf18("5","2","8","4","1","10","1") = "9"
    & skf18("5","2","8","4","2","1","1") = "7"
    & skf18("5","2","8","4","2","2","1") = "7"
    & skf18("5","2","8","4","2","3","1") = "7"
    & skf18("5","2","8","4","2","4","1") = "7"
    & skf18("5","2","8","4","2","5","1") = "7"
    & skf18("5","2","8","4","2","6","1") = "7"
    & skf18("5","2","8","4","2","7","1") = "7"
    & skf18("5","2","8","4","2","8","1") = "7"
    & skf18("5","2","8","4","2","9","1") = "8"
    & skf18("5","2","8","4","2","10","1") = "9"
    & skf18("5","2","8","4","3","1","1") = "7"
    & skf18("5","2","8","4","3","2","1") = "7"
    & skf18("5","2","8","4","3","3","1") = "7"
    & skf18("5","2","8","4","3","4","1") = "7"
    & skf18("5","2","8","4","3","5","1") = "7"
    & skf18("5","2","8","4","3","6","1") = "7"
    & skf18("5","2","8","4","3","7","1") = "7"
    & skf18("5","2","8","4","3","8","1") = "7"
    & skf18("5","2","8","4","3","9","1") = "8"
    & skf18("5","2","8","4","3","10","1") = "9"
    & skf18("5","2","8","4","4","1","1") = "7"
    & skf18("5","2","8","4","4","2","1") = "7"
    & skf18("5","2","8","4","4","3","1") = "7"
    & skf18("5","2","8","4","4","4","1") = "7"
    & skf18("5","2","8","4","4","5","1") = "7"
    & skf18("5","2","8","4","4","6","1") = "7"
    & skf18("5","2","8","4","4","7","1") = "7"
    & skf18("5","2","8","4","4","8","1") = "7"
    & skf18("5","2","8","4","4","9","1") = "8"
    & skf18("5","2","8","4","4","10","1") = "9"
    & skf18("5","2","8","4","5","1","1") = "7"
    & skf18("5","2","8","4","5","2","1") = "7"
    & skf18("5","2","8","4","5","3","1") = "7"
    & skf18("5","2","8","4","5","4","1") = "7"
    & skf18("5","2","8","4","5","5","1") = "7"
    & skf18("5","2","8","4","5","6","1") = "7"
    & skf18("5","2","8","4","5","7","1") = "7"
    & skf18("5","2","8","4","5","8","1") = "7"
    & skf18("5","2","8","4","5","9","1") = "8"
    & skf18("5","2","8","4","5","10","1") = "9"
    & skf18("5","2","8","4","6","1","1") = "7"
    & skf18("5","2","8","4","6","2","1") = "7"
    & skf18("5","2","8","4","6","3","1") = "7"
    & skf18("5","2","8","4","6","4","1") = "7"
    & skf18("5","2","8","4","6","5","1") = "7"
    & skf18("5","2","8","4","6","6","1") = "7"
    & skf18("5","2","8","4","6","7","1") = "7"
    & skf18("5","2","8","4","6","8","1") = "7"
    & skf18("5","2","8","4","6","9","1") = "8"
    & skf18("5","2","8","4","6","10","1") = "9"
    & skf18("5","2","8","4","7","1","1") = "7"
    & skf18("5","2","8","4","7","2","1") = "7"
    & skf18("5","2","8","4","7","3","1") = "7"
    & skf18("5","2","8","4","7","4","1") = "7"
    & skf18("5","2","8","4","7","5","1") = "7"
    & skf18("5","2","8","4","7","6","1") = "7"
    & skf18("5","2","8","4","7","7","1") = "7"
    & skf18("5","2","8","4","7","8","1") = "7"
    & skf18("5","2","8","4","7","9","1") = "8"
    & skf18("5","2","8","4","7","10","1") = "9"
    & skf18("5","2","8","4","8","1","1") = "7"
    & skf18("5","2","8","4","8","2","1") = "7"
    & skf18("5","2","8","4","8","3","1") = "7"
    & skf18("5","2","8","4","8","4","1") = "7"
    & skf18("5","2","8","4","8","5","1") = "7"
    & skf18("5","2","8","4","8","6","1") = "7"
    & skf18("5","2","8","4","8","7","1") = "7"
    & skf18("5","2","8","4","8","8","1") = "7"
    & skf18("5","2","8","4","8","9","1") = "8"
    & skf18("5","2","8","4","8","10","1") = "9"
    & skf18("5","2","8","4","9","1","1") = "8"
    & skf18("5","2","8","4","9","2","1") = "8"
    & skf18("5","2","8","4","9","3","1") = "8"
    & skf18("5","2","8","4","9","4","1") = "8"
    & skf18("5","2","8","4","9","5","1") = "8"
    & skf18("5","2","8","4","9","6","1") = "8"
    & skf18("5","2","8","4","9","7","1") = "8"
    & skf18("5","2","8","4","9","8","1") = "8"
    & skf18("5","2","8","4","9","9","1") = "8"
    & skf18("5","2","8","4","9","10","1") = "9"
    & skf18("5","2","8","4","10","1","1") = "9"
    & skf18("5","2","8","4","10","2","1") = "9"
    & skf18("5","2","8","4","10","3","1") = "9"
    & skf18("5","2","8","4","10","4","1") = "9"
    & skf18("5","2","8","4","10","5","1") = "9"
    & skf18("5","2","8","4","10","6","1") = "9"
    & skf18("5","2","8","4","10","7","1") = "9"
    & skf18("5","2","8","4","10","8","1") = "9"
    & skf18("5","2","8","4","10","9","1") = "9"
    & skf18("5","2","8","4","10","10","1") = "9"
    & skf18("5","2","8","5","1","1","1") = "7"
    & skf18("5","2","8","5","1","2","1") = "7"
    & skf18("5","2","8","5","1","3","1") = "7"
    & skf18("5","2","8","5","1","4","1") = "7"
    & skf18("5","2","8","5","1","5","1") = "7"
    & skf18("5","2","8","5","1","6","1") = "7"
    & skf18("5","2","8","5","1","7","1") = "7"
    & skf18("5","2","8","5","1","8","1") = "7"
    & skf18("5","2","8","5","1","9","1") = "8"
    & skf18("5","2","8","5","1","10","1") = "9"
    & skf18("5","2","8","5","2","1","1") = "7"
    & skf18("5","2","8","5","2","2","1") = "7"
    & skf18("5","2","8","5","2","3","1") = "7"
    & skf18("5","2","8","5","2","4","1") = "7"
    & skf18("5","2","8","5","2","5","1") = "7"
    & skf18("5","2","8","5","2","6","1") = "7"
    & skf18("5","2","8","5","2","7","1") = "7"
    & skf18("5","2","8","5","2","8","1") = "7"
    & skf18("5","2","8","5","2","9","1") = "8"
    & skf18("5","2","8","5","2","10","1") = "9"
    & skf18("5","2","8","5","3","1","1") = "7"
    & skf18("5","2","8","5","3","2","1") = "7"
    & skf18("5","2","8","5","3","3","1") = "7"
    & skf18("5","2","8","5","3","4","1") = "7"
    & skf18("5","2","8","5","3","5","1") = "7"
    & skf18("5","2","8","5","3","6","1") = "7"
    & skf18("5","2","8","5","3","7","1") = "7"
    & skf18("5","2","8","5","3","8","1") = "7"
    & skf18("5","2","8","5","3","9","1") = "8"
    & skf18("5","2","8","5","3","10","1") = "9"
    & skf18("5","2","8","5","4","1","1") = "7"
    & skf18("5","2","8","5","4","2","1") = "7"
    & skf18("5","2","8","5","4","3","1") = "7"
    & skf18("5","2","8","5","4","4","1") = "7"
    & skf18("5","2","8","5","4","5","1") = "7"
    & skf18("5","2","8","5","4","6","1") = "7"
    & skf18("5","2","8","5","4","7","1") = "7"
    & skf18("5","2","8","5","4","8","1") = "7"
    & skf18("5","2","8","5","4","9","1") = "8"
    & skf18("5","2","8","5","4","10","1") = "9"
    & skf18("5","2","8","5","5","1","1") = "7"
    & skf18("5","2","8","5","5","2","1") = "7"
    & skf18("5","2","8","5","5","3","1") = "7"
    & skf18("5","2","8","5","5","4","1") = "7"
    & skf18("5","2","8","5","5","5","1") = "7"
    & skf18("5","2","8","5","5","6","1") = "7"
    & skf18("5","2","8","5","5","7","1") = "7"
    & skf18("5","2","8","5","5","8","1") = "7"
    & skf18("5","2","8","5","5","9","1") = "8"
    & skf18("5","2","8","5","5","10","1") = "9"
    & skf18("5","2","8","5","6","1","1") = "7"
    & skf18("5","2","8","5","6","2","1") = "7"
    & skf18("5","2","8","5","6","3","1") = "7"
    & skf18("5","2","8","5","6","4","1") = "7"
    & skf18("5","2","8","5","6","5","1") = "7"
    & skf18("5","2","8","5","6","6","1") = "7"
    & skf18("5","2","8","5","6","7","1") = "7"
    & skf18("5","2","8","5","6","8","1") = "7"
    & skf18("5","2","8","5","6","9","1") = "8"
    & skf18("5","2","8","5","6","10","1") = "9"
    & skf18("5","2","8","5","7","1","1") = "7"
    & skf18("5","2","8","5","7","2","1") = "7"
    & skf18("5","2","8","5","7","3","1") = "7"
    & skf18("5","2","8","5","7","4","1") = "7"
    & skf18("5","2","8","5","7","5","1") = "7"
    & skf18("5","2","8","5","7","6","1") = "7"
    & skf18("5","2","8","5","7","7","1") = "7"
    & skf18("5","2","8","5","7","8","1") = "7"
    & skf18("5","2","8","5","7","9","1") = "8"
    & skf18("5","2","8","5","7","10","1") = "9"
    & skf18("5","2","8","5","8","1","1") = "7"
    & skf18("5","2","8","5","8","2","1") = "7"
    & skf18("5","2","8","5","8","3","1") = "7"
    & skf18("5","2","8","5","8","4","1") = "7"
    & skf18("5","2","8","5","8","5","1") = "7"
    & skf18("5","2","8","5","8","6","1") = "7"
    & skf18("5","2","8","5","8","7","1") = "7"
    & skf18("5","2","8","5","8","8","1") = "7"
    & skf18("5","2","8","5","8","9","1") = "8"
    & skf18("5","2","8","5","8","10","1") = "9"
    & skf18("5","2","8","5","9","1","1") = "8"
    & skf18("5","2","8","5","9","2","1") = "8"
    & skf18("5","2","8","5","9","3","1") = "8"
    & skf18("5","2","8","5","9","4","1") = "8"
    & skf18("5","2","8","5","9","5","1") = "8"
    & skf18("5","2","8","5","9","6","1") = "8"
    & skf18("5","2","8","5","9","7","1") = "8"
    & skf18("5","2","8","5","9","8","1") = "8"
    & skf18("5","2","8","5","9","9","1") = "8"
    & skf18("5","2","8","5","9","10","1") = "9"
    & skf18("5","2","8","5","10","1","1") = "9"
    & skf18("5","2","8","5","10","2","1") = "9"
    & skf18("5","2","8","5","10","3","1") = "9"
    & skf18("5","2","8","5","10","4","1") = "9"
    & skf18("5","2","8","5","10","5","1") = "9"
    & skf18("5","2","8","5","10","6","1") = "9"
    & skf18("5","2","8","5","10","7","1") = "9"
    & skf18("5","2","8","5","10","8","1") = "9"
    & skf18("5","2","8","5","10","9","1") = "9"
    & skf18("5","2","8","5","10","10","1") = "9"
    & skf18("5","2","8","6","1","1","1") = "7"
    & skf18("5","2","8","6","1","2","1") = "7"
    & skf18("5","2","8","6","1","3","1") = "7"
    & skf18("5","2","8","6","1","4","1") = "7"
    & skf18("5","2","8","6","1","5","1") = "7"
    & skf18("5","2","8","6","1","6","1") = "7"
    & skf18("5","2","8","6","1","7","1") = "7"
    & skf18("5","2","8","6","1","8","1") = "7"
    & skf18("5","2","8","6","1","9","1") = "8"
    & skf18("5","2","8","6","1","10","1") = "9"
    & skf18("5","2","8","6","2","1","1") = "7"
    & skf18("5","2","8","6","2","2","1") = "7"
    & skf18("5","2","8","6","2","3","1") = "7"
    & skf18("5","2","8","6","2","4","1") = "7"
    & skf18("5","2","8","6","2","5","1") = "7"
    & skf18("5","2","8","6","2","6","1") = "7"
    & skf18("5","2","8","6","2","7","1") = "7"
    & skf18("5","2","8","6","2","8","1") = "7"
    & skf18("5","2","8","6","2","9","1") = "8"
    & skf18("5","2","8","6","2","10","1") = "9"
    & skf18("5","2","8","6","3","1","1") = "7"
    & skf18("5","2","8","6","3","2","1") = "7"
    & skf18("5","2","8","6","3","3","1") = "7"
    & skf18("5","2","8","6","3","4","1") = "7"
    & skf18("5","2","8","6","3","5","1") = "7"
    & skf18("5","2","8","6","3","6","1") = "7"
    & skf18("5","2","8","6","3","7","1") = "7"
    & skf18("5","2","8","6","3","8","1") = "7"
    & skf18("5","2","8","6","3","9","1") = "8"
    & skf18("5","2","8","6","3","10","1") = "9"
    & skf18("5","2","8","6","4","1","1") = "7"
    & skf18("5","2","8","6","4","2","1") = "7"
    & skf18("5","2","8","6","4","3","1") = "7"
    & skf18("5","2","8","6","4","4","1") = "7"
    & skf18("5","2","8","6","4","5","1") = "7"
    & skf18("5","2","8","6","4","6","1") = "7"
    & skf18("5","2","8","6","4","7","1") = "7"
    & skf18("5","2","8","6","4","8","1") = "7"
    & skf18("5","2","8","6","4","9","1") = "8"
    & skf18("5","2","8","6","4","10","1") = "9"
    & skf18("5","2","8","6","5","1","1") = "7"
    & skf18("5","2","8","6","5","2","1") = "7"
    & skf18("5","2","8","6","5","3","1") = "7"
    & skf18("5","2","8","6","5","4","1") = "7"
    & skf18("5","2","8","6","5","5","1") = "7"
    & skf18("5","2","8","6","5","6","1") = "7"
    & skf18("5","2","8","6","5","7","1") = "7"
    & skf18("5","2","8","6","5","8","1") = "7"
    & skf18("5","2","8","6","5","9","1") = "8"
    & skf18("5","2","8","6","5","10","1") = "9"
    & skf18("5","2","8","6","6","1","1") = "7"
    & skf18("5","2","8","6","6","2","1") = "7"
    & skf18("5","2","8","6","6","3","1") = "7"
    & skf18("5","2","8","6","6","4","1") = "7"
    & skf18("5","2","8","6","6","5","1") = "7"
    & skf18("5","2","8","6","6","6","1") = "7"
    & skf18("5","2","8","6","6","7","1") = "7"
    & skf18("5","2","8","6","6","8","1") = "7"
    & skf18("5","2","8","6","6","9","1") = "8"
    & skf18("5","2","8","6","6","10","1") = "9"
    & skf18("5","2","8","6","7","1","1") = "7"
    & skf18("5","2","8","6","7","2","1") = "7"
    & skf18("5","2","8","6","7","3","1") = "7"
    & skf18("5","2","8","6","7","4","1") = "7"
    & skf18("5","2","8","6","7","5","1") = "7"
    & skf18("5","2","8","6","7","6","1") = "7"
    & skf18("5","2","8","6","7","7","1") = "7"
    & skf18("5","2","8","6","7","8","1") = "7"
    & skf18("5","2","8","6","7","9","1") = "8"
    & skf18("5","2","8","6","7","10","1") = "9"
    & skf18("5","2","8","6","8","1","1") = "7"
    & skf18("5","2","8","6","8","2","1") = "7"
    & skf18("5","2","8","6","8","3","1") = "7"
    & skf18("5","2","8","6","8","4","1") = "7"
    & skf18("5","2","8","6","8","5","1") = "7"
    & skf18("5","2","8","6","8","6","1") = "7"
    & skf18("5","2","8","6","8","7","1") = "7"
    & skf18("5","2","8","6","8","8","1") = "7"
    & skf18("5","2","8","6","8","9","1") = "8"
    & skf18("5","2","8","6","8","10","1") = "9"
    & skf18("5","2","8","6","9","1","1") = "8"
    & skf18("5","2","8","6","9","2","1") = "8"
    & skf18("5","2","8","6","9","3","1") = "8"
    & skf18("5","2","8","6","9","4","1") = "8"
    & skf18("5","2","8","6","9","5","1") = "8"
    & skf18("5","2","8","6","9","6","1") = "8"
    & skf18("5","2","8","6","9","7","1") = "8"
    & skf18("5","2","8","6","9","8","1") = "8"
    & skf18("5","2","8","6","9","9","1") = "8"
    & skf18("5","2","8","6","9","10","1") = "9"
    & skf18("5","2","8","6","10","1","1") = "9"
    & skf18("5","2","8","6","10","2","1") = "9"
    & skf18("5","2","8","6","10","3","1") = "9"
    & skf18("5","2","8","6","10","4","1") = "9"
    & skf18("5","2","8","6","10","5","1") = "9"
    & skf18("5","2","8","6","10","6","1") = "9"
    & skf18("5","2","8","6","10","7","1") = "9"
    & skf18("5","2","8","6","10","8","1") = "9"
    & skf18("5","2","8","6","10","9","1") = "9"
    & skf18("5","2","8","6","10","10","1") = "9"
    & skf18("5","2","8","7","1","1","1") = "7"
    & skf18("5","2","8","7","1","2","1") = "7"
    & skf18("5","2","8","7","1","3","1") = "7"
    & skf18("5","2","8","7","1","4","1") = "7"
    & skf18("5","2","8","7","1","5","1") = "7"
    & skf18("5","2","8","7","1","6","1") = "7"
    & skf18("5","2","8","7","1","7","1") = "7"
    & skf18("5","2","8","7","1","8","1") = "7"
    & skf18("5","2","8","7","1","9","1") = "8"
    & skf18("5","2","8","7","1","10","1") = "9"
    & skf18("5","2","8","7","2","1","1") = "7"
    & skf18("5","2","8","7","2","2","1") = "7"
    & skf18("5","2","8","7","2","3","1") = "7"
    & skf18("5","2","8","7","2","4","1") = "7"
    & skf18("5","2","8","7","2","5","1") = "7"
    & skf18("5","2","8","7","2","6","1") = "7"
    & skf18("5","2","8","7","2","7","1") = "7"
    & skf18("5","2","8","7","2","8","1") = "7"
    & skf18("5","2","8","7","2","9","1") = "8"
    & skf18("5","2","8","7","2","10","1") = "9"
    & skf18("5","2","8","7","3","1","1") = "7"
    & skf18("5","2","8","7","3","2","1") = "7"
    & skf18("5","2","8","7","3","3","1") = "7"
    & skf18("5","2","8","7","3","4","1") = "7"
    & skf18("5","2","8","7","3","5","1") = "7"
    & skf18("5","2","8","7","3","6","1") = "7"
    & skf18("5","2","8","7","3","7","1") = "7"
    & skf18("5","2","8","7","3","8","1") = "7"
    & skf18("5","2","8","7","3","9","1") = "8"
    & skf18("5","2","8","7","3","10","1") = "9"
    & skf18("5","2","8","7","4","1","1") = "7"
    & skf18("5","2","8","7","4","2","1") = "7"
    & skf18("5","2","8","7","4","3","1") = "7"
    & skf18("5","2","8","7","4","4","1") = "7"
    & skf18("5","2","8","7","4","5","1") = "7"
    & skf18("5","2","8","7","4","6","1") = "7"
    & skf18("5","2","8","7","4","7","1") = "7"
    & skf18("5","2","8","7","4","8","1") = "7"
    & skf18("5","2","8","7","4","9","1") = "8"
    & skf18("5","2","8","7","4","10","1") = "9"
    & skf18("5","2","8","7","5","1","1") = "7"
    & skf18("5","2","8","7","5","2","1") = "7"
    & skf18("5","2","8","7","5","3","1") = "7"
    & skf18("5","2","8","7","5","4","1") = "7"
    & skf18("5","2","8","7","5","5","1") = "7"
    & skf18("5","2","8","7","5","6","1") = "7"
    & skf18("5","2","8","7","5","7","1") = "7"
    & skf18("5","2","8","7","5","8","1") = "7"
    & skf18("5","2","8","7","5","9","1") = "8"
    & skf18("5","2","8","7","5","10","1") = "9"
    & skf18("5","2","8","7","6","1","1") = "7"
    & skf18("5","2","8","7","6","2","1") = "7"
    & skf18("5","2","8","7","6","3","1") = "7"
    & skf18("5","2","8","7","6","4","1") = "7"
    & skf18("5","2","8","7","6","5","1") = "7"
    & skf18("5","2","8","7","6","6","1") = "7"
    & skf18("5","2","8","7","6","7","1") = "7"
    & skf18("5","2","8","7","6","8","1") = "7"
    & skf18("5","2","8","7","6","9","1") = "8"
    & skf18("5","2","8","7","6","10","1") = "9"
    & skf18("5","2","8","7","7","1","1") = "7"
    & skf18("5","2","8","7","7","2","1") = "7"
    & skf18("5","2","8","7","7","3","1") = "7"
    & skf18("5","2","8","7","7","4","1") = "7"
    & skf18("5","2","8","7","7","5","1") = "7"
    & skf18("5","2","8","7","7","6","1") = "7"
    & skf18("5","2","8","7","7","7","1") = "7"
    & skf18("5","2","8","7","7","8","1") = "7"
    & skf18("5","2","8","7","7","9","1") = "8"
    & skf18("5","2","8","7","7","10","1") = "9"
    & skf18("5","2","8","7","8","1","1") = "7"
    & skf18("5","2","8","7","8","2","1") = "7"
    & skf18("5","2","8","7","8","3","1") = "7"
    & skf18("5","2","8","7","8","4","1") = "7"
    & skf18("5","2","8","7","8","5","1") = "7"
    & skf18("5","2","8","7","8","6","1") = "7"
    & skf18("5","2","8","7","8","7","1") = "7"
    & skf18("5","2","8","7","8","8","1") = "7"
    & skf18("5","2","8","7","8","9","1") = "8"
    & skf18("5","2","8","7","8","10","1") = "9"
    & skf18("5","2","8","7","9","1","1") = "8"
    & skf18("5","2","8","7","9","2","1") = "8"
    & skf18("5","2","8","7","9","3","1") = "8"
    & skf18("5","2","8","7","9","4","1") = "8"
    & skf18("5","2","8","7","9","5","1") = "8"
    & skf18("5","2","8","7","9","6","1") = "8"
    & skf18("5","2","8","7","9","7","1") = "8"
    & skf18("5","2","8","7","9","8","1") = "8"
    & skf18("5","2","8","7","9","9","1") = "8"
    & skf18("5","2","8","7","9","10","1") = "9"
    & skf18("5","2","8","7","10","1","1") = "9"
    & skf18("5","2","8","7","10","2","1") = "9"
    & skf18("5","2","8","7","10","3","1") = "9"
    & skf18("5","2","8","7","10","4","1") = "9"
    & skf18("5","2","8","7","10","5","1") = "9"
    & skf18("5","2","8","7","10","6","1") = "9"
    & skf18("5","2","8","7","10","7","1") = "9"
    & skf18("5","2","8","7","10","8","1") = "9"
    & skf18("5","2","8","7","10","9","1") = "9"
    & skf18("5","2","8","7","10","10","1") = "9"
    & skf18("5","2","8","8","1","1","1") = "7"
    & skf18("5","2","8","8","1","2","1") = "7"
    & skf18("5","2","8","8","1","3","1") = "7"
    & skf18("5","2","8","8","1","4","1") = "7"
    & skf18("5","2","8","8","1","5","1") = "7"
    & skf18("5","2","8","8","1","6","1") = "7"
    & skf18("5","2","8","8","1","7","1") = "7"
    & skf18("5","2","8","8","1","8","1") = "7"
    & skf18("5","2","8","8","1","9","1") = "8"
    & skf18("5","2","8","8","1","10","1") = "9"
    & skf18("5","2","8","8","2","1","1") = "7"
    & skf18("5","2","8","8","2","2","1") = "7"
    & skf18("5","2","8","8","2","3","1") = "7"
    & skf18("5","2","8","8","2","4","1") = "7"
    & skf18("5","2","8","8","2","5","1") = "7"
    & skf18("5","2","8","8","2","6","1") = "7"
    & skf18("5","2","8","8","2","7","1") = "7"
    & skf18("5","2","8","8","2","8","1") = "7"
    & skf18("5","2","8","8","2","9","1") = "8"
    & skf18("5","2","8","8","2","10","1") = "9"
    & skf18("5","2","8","8","3","1","1") = "7"
    & skf18("5","2","8","8","3","2","1") = "7"
    & skf18("5","2","8","8","3","3","1") = "7"
    & skf18("5","2","8","8","3","4","1") = "7"
    & skf18("5","2","8","8","3","5","1") = "7"
    & skf18("5","2","8","8","3","6","1") = "7"
    & skf18("5","2","8","8","3","7","1") = "7"
    & skf18("5","2","8","8","3","8","1") = "7"
    & skf18("5","2","8","8","3","9","1") = "8"
    & skf18("5","2","8","8","3","10","1") = "9"
    & skf18("5","2","8","8","4","1","1") = "7"
    & skf18("5","2","8","8","4","2","1") = "7"
    & skf18("5","2","8","8","4","3","1") = "7"
    & skf18("5","2","8","8","4","4","1") = "7"
    & skf18("5","2","8","8","4","5","1") = "7"
    & skf18("5","2","8","8","4","6","1") = "7"
    & skf18("5","2","8","8","4","7","1") = "7"
    & skf18("5","2","8","8","4","8","1") = "7"
    & skf18("5","2","8","8","4","9","1") = "8"
    & skf18("5","2","8","8","4","10","1") = "9"
    & skf18("5","2","8","8","5","1","1") = "7"
    & skf18("5","2","8","8","5","2","1") = "7"
    & skf18("5","2","8","8","5","3","1") = "7"
    & skf18("5","2","8","8","5","4","1") = "7"
    & skf18("5","2","8","8","5","5","1") = "7"
    & skf18("5","2","8","8","5","6","1") = "7"
    & skf18("5","2","8","8","5","7","1") = "7"
    & skf18("5","2","8","8","5","8","1") = "7"
    & skf18("5","2","8","8","5","9","1") = "8"
    & skf18("5","2","8","8","5","10","1") = "9"
    & skf18("5","2","8","8","6","1","1") = "7"
    & skf18("5","2","8","8","6","2","1") = "7"
    & skf18("5","2","8","8","6","3","1") = "7"
    & skf18("5","2","8","8","6","4","1") = "7"
    & skf18("5","2","8","8","6","5","1") = "7"
    & skf18("5","2","8","8","6","6","1") = "7"
    & skf18("5","2","8","8","6","7","1") = "7"
    & skf18("5","2","8","8","6","8","1") = "7"
    & skf18("5","2","8","8","6","9","1") = "8"
    & skf18("5","2","8","8","6","10","1") = "9"
    & skf18("5","2","8","8","7","1","1") = "7"
    & skf18("5","2","8","8","7","2","1") = "7"
    & skf18("5","2","8","8","7","3","1") = "7"
    & skf18("5","2","8","8","7","4","1") = "7"
    & skf18("5","2","8","8","7","5","1") = "7"
    & skf18("5","2","8","8","7","6","1") = "7"
    & skf18("5","2","8","8","7","7","1") = "7"
    & skf18("5","2","8","8","7","8","1") = "7"
    & skf18("5","2","8","8","7","9","1") = "8"
    & skf18("5","2","8","8","7","10","1") = "9"
    & skf18("5","2","8","8","8","1","1") = "7"
    & skf18("5","2","8","8","8","2","1") = "7"
    & skf18("5","2","8","8","8","3","1") = "7"
    & skf18("5","2","8","8","8","4","1") = "7"
    & skf18("5","2","8","8","8","5","1") = "7"
    & skf18("5","2","8","8","8","6","1") = "7"
    & skf18("5","2","8","8","8","7","1") = "7"
    & skf18("5","2","8","8","8","8","1") = "7"
    & skf18("5","2","8","8","8","9","1") = "8"
    & skf18("5","2","8","8","8","10","1") = "9"
    & skf18("5","2","8","8","9","1","1") = "8"
    & skf18("5","2","8","8","9","2","1") = "8"
    & skf18("5","2","8","8","9","3","1") = "8"
    & skf18("5","2","8","8","9","4","1") = "8"
    & skf18("5","2","8","8","9","5","1") = "8"
    & skf18("5","2","8","8","9","6","1") = "8"
    & skf18("5","2","8","8","9","7","1") = "8"
    & skf18("5","2","8","8","9","8","1") = "8"
    & skf18("5","2","8","8","9","9","1") = "8"
    & skf18("5","2","8","8","9","10","1") = "9"
    & skf18("5","2","8","8","10","1","1") = "9"
    & skf18("5","2","8","8","10","2","1") = "9"
    & skf18("5","2","8","8","10","3","1") = "9"
    & skf18("5","2","8","8","10","4","1") = "9"
    & skf18("5","2","8","8","10","5","1") = "9"
    & skf18("5","2","8","8","10","6","1") = "9"
    & skf18("5","2","8","8","10","7","1") = "9"
    & skf18("5","2","8","8","10","8","1") = "9"
    & skf18("5","2","8","8","10","9","1") = "9"
    & skf18("5","2","8","8","10","10","1") = "9"
    & skf18("5","2","8","9","1","1","1") = "8"
    & skf18("5","2","8","9","1","2","1") = "8"
    & skf18("5","2","8","9","1","3","1") = "8"
    & skf18("5","2","8","9","1","4","1") = "8"
    & skf18("5","2","8","9","1","5","1") = "8"
    & skf18("5","2","8","9","1","6","1") = "8"
    & skf18("5","2","8","9","1","7","1") = "8"
    & skf18("5","2","8","9","1","8","1") = "8"
    & skf18("5","2","8","9","1","9","1") = "8"
    & skf18("5","2","8","9","1","10","1") = "9"
    & skf18("5","2","8","9","2","1","1") = "8"
    & skf18("5","2","8","9","2","2","1") = "8"
    & skf18("5","2","8","9","2","3","1") = "8"
    & skf18("5","2","8","9","2","4","1") = "8"
    & skf18("5","2","8","9","2","5","1") = "8"
    & skf18("5","2","8","9","2","6","1") = "8"
    & skf18("5","2","8","9","2","7","1") = "8"
    & skf18("5","2","8","9","2","8","1") = "8"
    & skf18("5","2","8","9","2","9","1") = "8"
    & skf18("5","2","8","9","2","10","1") = "9"
    & skf18("5","2","8","9","3","1","1") = "8"
    & skf18("5","2","8","9","3","2","1") = "8"
    & skf18("5","2","8","9","3","3","1") = "8"
    & skf18("5","2","8","9","3","4","1") = "8"
    & skf18("5","2","8","9","3","5","1") = "8"
    & skf18("5","2","8","9","3","6","1") = "8"
    & skf18("5","2","8","9","3","7","1") = "8"
    & skf18("5","2","8","9","3","8","1") = "8"
    & skf18("5","2","8","9","3","9","1") = "8"
    & skf18("5","2","8","9","3","10","1") = "9"
    & skf18("5","2","8","9","4","1","1") = "8"
    & skf18("5","2","8","9","4","2","1") = "8"
    & skf18("5","2","8","9","4","3","1") = "8"
    & skf18("5","2","8","9","4","4","1") = "8"
    & skf18("5","2","8","9","4","5","1") = "8"
    & skf18("5","2","8","9","4","6","1") = "8"
    & skf18("5","2","8","9","4","7","1") = "8"
    & skf18("5","2","8","9","4","8","1") = "8"
    & skf18("5","2","8","9","4","9","1") = "8"
    & skf18("5","2","8","9","4","10","1") = "9"
    & skf18("5","2","8","9","5","1","1") = "8"
    & skf18("5","2","8","9","5","2","1") = "8"
    & skf18("5","2","8","9","5","3","1") = "8"
    & skf18("5","2","8","9","5","4","1") = "8"
    & skf18("5","2","8","9","5","5","1") = "8"
    & skf18("5","2","8","9","5","6","1") = "8"
    & skf18("5","2","8","9","5","7","1") = "8"
    & skf18("5","2","8","9","5","8","1") = "8"
    & skf18("5","2","8","9","5","9","1") = "8"
    & skf18("5","2","8","9","5","10","1") = "9"
    & skf18("5","2","8","9","6","1","1") = "8"
    & skf18("5","2","8","9","6","2","1") = "8"
    & skf18("5","2","8","9","6","3","1") = "8"
    & skf18("5","2","8","9","6","4","1") = "8"
    & skf18("5","2","8","9","6","5","1") = "8"
    & skf18("5","2","8","9","6","6","1") = "8"
    & skf18("5","2","8","9","6","7","1") = "8"
    & skf18("5","2","8","9","6","8","1") = "8"
    & skf18("5","2","8","9","6","9","1") = "8"
    & skf18("5","2","8","9","6","10","1") = "9"
    & skf18("5","2","8","9","7","1","1") = "8"
    & skf18("5","2","8","9","7","2","1") = "8"
    & skf18("5","2","8","9","7","3","1") = "8"
    & skf18("5","2","8","9","7","4","1") = "8"
    & skf18("5","2","8","9","7","5","1") = "8"
    & skf18("5","2","8","9","7","6","1") = "8"
    & skf18("5","2","8","9","7","7","1") = "8"
    & skf18("5","2","8","9","7","8","1") = "8"
    & skf18("5","2","8","9","7","9","1") = "8"
    & skf18("5","2","8","9","7","10","1") = "9"
    & skf18("5","2","8","9","8","1","1") = "8"
    & skf18("5","2","8","9","8","2","1") = "8"
    & skf18("5","2","8","9","8","3","1") = "8"
    & skf18("5","2","8","9","8","4","1") = "8"
    & skf18("5","2","8","9","8","5","1") = "8"
    & skf18("5","2","8","9","8","6","1") = "8"
    & skf18("5","2","8","9","8","7","1") = "8"
    & skf18("5","2","8","9","8","8","1") = "8"
    & skf18("5","2","8","9","8","9","1") = "8"
    & skf18("5","2","8","9","8","10","1") = "9"
    & skf18("5","2","8","9","9","1","1") = "8"
    & skf18("5","2","8","9","9","2","1") = "8"
    & skf18("5","2","8","9","9","3","1") = "8"
    & skf18("5","2","8","9","9","4","1") = "8"
    & skf18("5","2","8","9","9","5","1") = "8"
    & skf18("5","2","8","9","9","6","1") = "8"
    & skf18("5","2","8","9","9","7","1") = "8"
    & skf18("5","2","8","9","9","8","1") = "8"
    & skf18("5","2","8","9","9","9","1") = "8"
    & skf18("5","2","8","9","9","10","1") = "9"
    & skf18("5","2","8","9","10","1","1") = "9"
    & skf18("5","2","8","9","10","2","1") = "9"
    & skf18("5","2","8","9","10","3","1") = "9"
    & skf18("5","2","8","9","10","4","1") = "9"
    & skf18("5","2","8","9","10","5","1") = "9"
    & skf18("5","2","8","9","10","6","1") = "9"
    & skf18("5","2","8","9","10","7","1") = "9"
    & skf18("5","2","8","9","10","8","1") = "9"
    & skf18("5","2","8","9","10","9","1") = "9"
    & skf18("5","2","8","9","10","10","1") = "9"
    & skf18("5","2","8","10","1","1","1") = "9"
    & skf18("5","2","8","10","1","2","1") = "9"
    & skf18("5","2","8","10","1","3","1") = "9"
    & skf18("5","2","8","10","1","4","1") = "9"
    & skf18("5","2","8","10","1","5","1") = "9"
    & skf18("5","2","8","10","1","6","1") = "9"
    & skf18("5","2","8","10","1","7","1") = "9"
    & skf18("5","2","8","10","1","8","1") = "9"
    & skf18("5","2","8","10","1","9","1") = "9"
    & skf18("5","2","8","10","1","10","1") = "9"
    & skf18("5","2","8","10","2","1","1") = "9"
    & skf18("5","2","8","10","2","2","1") = "9"
    & skf18("5","2","8","10","2","3","1") = "9"
    & skf18("5","2","8","10","2","4","1") = "9"
    & skf18("5","2","8","10","2","5","1") = "9"
    & skf18("5","2","8","10","2","6","1") = "9"
    & skf18("5","2","8","10","2","7","1") = "9"
    & skf18("5","2","8","10","2","8","1") = "9"
    & skf18("5","2","8","10","2","9","1") = "9"
    & skf18("5","2","8","10","2","10","1") = "9"
    & skf18("5","2","8","10","3","1","1") = "9"
    & skf18("5","2","8","10","3","2","1") = "9"
    & skf18("5","2","8","10","3","3","1") = "9"
    & skf18("5","2","8","10","3","4","1") = "9"
    & skf18("5","2","8","10","3","5","1") = "9"
    & skf18("5","2","8","10","3","6","1") = "9"
    & skf18("5","2","8","10","3","7","1") = "9"
    & skf18("5","2","8","10","3","8","1") = "9"
    & skf18("5","2","8","10","3","9","1") = "9"
    & skf18("5","2","8","10","3","10","1") = "9"
    & skf18("5","2","8","10","4","1","1") = "9"
    & skf18("5","2","8","10","4","2","1") = "9"
    & skf18("5","2","8","10","4","3","1") = "9"
    & skf18("5","2","8","10","4","4","1") = "9"
    & skf18("5","2","8","10","4","5","1") = "9"
    & skf18("5","2","8","10","4","6","1") = "9"
    & skf18("5","2","8","10","4","7","1") = "9"
    & skf18("5","2","8","10","4","8","1") = "9"
    & skf18("5","2","8","10","4","9","1") = "9"
    & skf18("5","2","8","10","4","10","1") = "9"
    & skf18("5","2","8","10","5","1","1") = "9"
    & skf18("5","2","8","10","5","2","1") = "9"
    & skf18("5","2","8","10","5","3","1") = "9"
    & skf18("5","2","8","10","5","4","1") = "9"
    & skf18("5","2","8","10","5","5","1") = "9"
    & skf18("5","2","8","10","5","6","1") = "9"
    & skf18("5","2","8","10","5","7","1") = "9"
    & skf18("5","2","8","10","5","8","1") = "9"
    & skf18("5","2","8","10","5","9","1") = "9"
    & skf18("5","2","8","10","5","10","1") = "9"
    & skf18("5","2","8","10","6","1","1") = "9"
    & skf18("5","2","8","10","6","2","1") = "9"
    & skf18("5","2","8","10","6","3","1") = "9"
    & skf18("5","2","8","10","6","4","1") = "9"
    & skf18("5","2","8","10","6","5","1") = "9"
    & skf18("5","2","8","10","6","6","1") = "9"
    & skf18("5","2","8","10","6","7","1") = "9"
    & skf18("5","2","8","10","6","8","1") = "9"
    & skf18("5","2","8","10","6","9","1") = "9"
    & skf18("5","2","8","10","6","10","1") = "9"
    & skf18("5","2","8","10","7","1","1") = "9"
    & skf18("5","2","8","10","7","2","1") = "9"
    & skf18("5","2","8","10","7","3","1") = "9"
    & skf18("5","2","8","10","7","4","1") = "9"
    & skf18("5","2","8","10","7","5","1") = "9"
    & skf18("5","2","8","10","7","6","1") = "9"
    & skf18("5","2","8","10","7","7","1") = "9"
    & skf18("5","2","8","10","7","8","1") = "9"
    & skf18("5","2","8","10","7","9","1") = "9"
    & skf18("5","2","8","10","7","10","1") = "9"
    & skf18("5","2","8","10","8","1","1") = "9"
    & skf18("5","2","8","10","8","2","1") = "9"
    & skf18("5","2","8","10","8","3","1") = "9"
    & skf18("5","2","8","10","8","4","1") = "9"
    & skf18("5","2","8","10","8","5","1") = "9"
    & skf18("5","2","8","10","8","6","1") = "9"
    & skf18("5","2","8","10","8","7","1") = "9"
    & skf18("5","2","8","10","8","8","1") = "9"
    & skf18("5","2","8","10","8","9","1") = "9"
    & skf18("5","2","8","10","8","10","1") = "9"
    & skf18("5","2","8","10","9","1","1") = "9"
    & skf18("5","2","8","10","9","2","1") = "9"
    & skf18("5","2","8","10","9","3","1") = "9"
    & skf18("5","2","8","10","9","4","1") = "9"
    & skf18("5","2","8","10","9","5","1") = "9"
    & skf18("5","2","8","10","9","6","1") = "9"
    & skf18("5","2","8","10","9","7","1") = "9"
    & skf18("5","2","8","10","9","8","1") = "9"
    & skf18("5","2","8","10","9","9","1") = "9"
    & skf18("5","2","8","10","9","10","1") = "9"
    & skf18("5","2","8","10","10","1","1") = "9"
    & skf18("5","2","8","10","10","2","1") = "9"
    & skf18("5","2","8","10","10","3","1") = "9"
    & skf18("5","2","8","10","10","4","1") = "9"
    & skf18("5","2","8","10","10","5","1") = "9"
    & skf18("5","2","8","10","10","6","1") = "9"
    & skf18("5","2","8","10","10","7","1") = "9"
    & skf18("5","2","8","10","10","8","1") = "9"
    & skf18("5","2","8","10","10","9","1") = "9"
    & skf18("5","2","8","10","10","10","1") = "9"
    & skf18("5","2","9","1","1","1","1") = "8"
    & skf18("5","2","9","1","1","2","1") = "8"
    & skf18("5","2","9","1","1","3","1") = "8"
    & skf18("5","2","9","1","1","4","1") = "8"
    & skf18("5","2","9","1","1","5","1") = "8"
    & skf18("5","2","9","1","1","6","1") = "8"
    & skf18("5","2","9","1","1","7","1") = "8"
    & skf18("5","2","9","1","1","8","1") = "8"
    & skf18("5","2","9","1","1","9","1") = "8"
    & skf18("5","2","9","1","1","10","1") = "9"
    & skf18("5","2","9","1","2","1","1") = "8"
    & skf18("5","2","9","1","2","2","1") = "8"
    & skf18("5","2","9","1","2","3","1") = "8"
    & skf18("5","2","9","1","2","4","1") = "8"
    & skf18("5","2","9","1","2","5","1") = "8"
    & skf18("5","2","9","1","2","6","1") = "8"
    & skf18("5","2","9","1","2","7","1") = "8"
    & skf18("5","2","9","1","2","8","1") = "8"
    & skf18("5","2","9","1","2","9","1") = "8"
    & skf18("5","2","9","1","2","10","1") = "9"
    & skf18("5","2","9","1","3","1","1") = "8"
    & skf18("5","2","9","1","3","2","1") = "8"
    & skf18("5","2","9","1","3","3","1") = "8"
    & skf18("5","2","9","1","3","4","1") = "8"
    & skf18("5","2","9","1","3","5","1") = "8"
    & skf18("5","2","9","1","3","6","1") = "8"
    & skf18("5","2","9","1","3","7","1") = "8"
    & skf18("5","2","9","1","3","8","1") = "8"
    & skf18("5","2","9","1","3","9","1") = "8"
    & skf18("5","2","9","1","3","10","1") = "9"
    & skf18("5","2","9","1","4","1","1") = "8"
    & skf18("5","2","9","1","4","2","1") = "8"
    & skf18("5","2","9","1","4","3","1") = "8"
    & skf18("5","2","9","1","4","4","1") = "8"
    & skf18("5","2","9","1","4","5","1") = "8"
    & skf18("5","2","9","1","4","6","1") = "8"
    & skf18("5","2","9","1","4","7","1") = "8"
    & skf18("5","2","9","1","4","8","1") = "8"
    & skf18("5","2","9","1","4","9","1") = "8"
    & skf18("5","2","9","1","4","10","1") = "9"
    & skf18("5","2","9","1","5","1","1") = "8"
    & skf18("5","2","9","1","5","2","1") = "8"
    & skf18("5","2","9","1","5","3","1") = "8"
    & skf18("5","2","9","1","5","4","1") = "8"
    & skf18("5","2","9","1","5","5","1") = "8"
    & skf18("5","2","9","1","5","6","1") = "8"
    & skf18("5","2","9","1","5","7","1") = "8"
    & skf18("5","2","9","1","5","8","1") = "8"
    & skf18("5","2","9","1","5","9","1") = "8"
    & skf18("5","2","9","1","5","10","1") = "9"
    & skf18("5","2","9","1","6","1","1") = "8"
    & skf18("5","2","9","1","6","2","1") = "8"
    & skf18("5","2","9","1","6","3","1") = "8"
    & skf18("5","2","9","1","6","4","1") = "8"
    & skf18("5","2","9","1","6","5","1") = "8"
    & skf18("5","2","9","1","6","6","1") = "8"
    & skf18("5","2","9","1","6","7","1") = "8"
    & skf18("5","2","9","1","6","8","1") = "8"
    & skf18("5","2","9","1","6","9","1") = "8"
    & skf18("5","2","9","1","6","10","1") = "9"
    & skf18("5","2","9","1","7","1","1") = "8"
    & skf18("5","2","9","1","7","2","1") = "8"
    & skf18("5","2","9","1","7","3","1") = "8"
    & skf18("5","2","9","1","7","4","1") = "8"
    & skf18("5","2","9","1","7","5","1") = "8"
    & skf18("5","2","9","1","7","6","1") = "8"
    & skf18("5","2","9","1","7","7","1") = "8"
    & skf18("5","2","9","1","7","8","1") = "8"
    & skf18("5","2","9","1","7","9","1") = "8"
    & skf18("5","2","9","1","7","10","1") = "9"
    & skf18("5","2","9","1","8","1","1") = "8"
    & skf18("5","2","9","1","8","2","1") = "8"
    & skf18("5","2","9","1","8","3","1") = "8"
    & skf18("5","2","9","1","8","4","1") = "8"
    & skf18("5","2","9","1","8","5","1") = "8"
    & skf18("5","2","9","1","8","6","1") = "8"
    & skf18("5","2","9","1","8","7","1") = "8"
    & skf18("5","2","9","1","8","8","1") = "8"
    & skf18("5","2","9","1","8","9","1") = "8"
    & skf18("5","2","9","1","8","10","1") = "9"
    & skf18("5","2","9","1","9","1","1") = "8"
    & skf18("5","2","9","1","9","2","1") = "8"
    & skf18("5","2","9","1","9","3","1") = "8"
    & skf18("5","2","9","1","9","4","1") = "8"
    & skf18("5","2","9","1","9","5","1") = "8"
    & skf18("5","2","9","1","9","6","1") = "8"
    & skf18("5","2","9","1","9","7","1") = "8"
    & skf18("5","2","9","1","9","8","1") = "8"
    & skf18("5","2","9","1","9","9","1") = "8"
    & skf18("5","2","9","1","9","10","1") = "9"
    & skf18("5","2","9","1","10","1","1") = "9"
    & skf18("5","2","9","1","10","2","1") = "9"
    & skf18("5","2","9","1","10","3","1") = "9"
    & skf18("5","2","9","1","10","4","1") = "9"
    & skf18("5","2","9","1","10","5","1") = "9"
    & skf18("5","2","9","1","10","6","1") = "9"
    & skf18("5","2","9","1","10","7","1") = "9"
    & skf18("5","2","9","1","10","8","1") = "9"
    & skf18("5","2","9","1","10","9","1") = "9"
    & skf18("5","2","9","1","10","10","1") = "9"
    & skf18("5","2","9","2","1","1","1") = "8"
    & skf18("5","2","9","2","1","2","1") = "8"
    & skf18("5","2","9","2","1","3","1") = "8"
    & skf18("5","2","9","2","1","4","1") = "8"
    & skf18("5","2","9","2","1","5","1") = "8"
    & skf18("5","2","9","2","1","6","1") = "8"
    & skf18("5","2","9","2","1","7","1") = "8"
    & skf18("5","2","9","2","1","8","1") = "8"
    & skf18("5","2","9","2","1","9","1") = "8"
    & skf18("5","2","9","2","1","10","1") = "9"
    & skf18("5","2","9","2","2","1","1") = "8"
    & skf18("5","2","9","2","2","2","1") = "8"
    & skf18("5","2","9","2","2","3","1") = "8"
    & skf18("5","2","9","2","2","4","1") = "8"
    & skf18("5","2","9","2","2","5","1") = "8"
    & skf18("5","2","9","2","2","6","1") = "8"
    & skf18("5","2","9","2","2","7","1") = "8"
    & skf18("5","2","9","2","2","8","1") = "8"
    & skf18("5","2","9","2","2","9","1") = "8"
    & skf18("5","2","9","2","2","10","1") = "9"
    & skf18("5","2","9","2","3","1","1") = "8"
    & skf18("5","2","9","2","3","2","1") = "8"
    & skf18("5","2","9","2","3","3","1") = "8"
    & skf18("5","2","9","2","3","4","1") = "8"
    & skf18("5","2","9","2","3","5","1") = "8"
    & skf18("5","2","9","2","3","6","1") = "8"
    & skf18("5","2","9","2","3","7","1") = "8"
    & skf18("5","2","9","2","3","8","1") = "8"
    & skf18("5","2","9","2","3","9","1") = "8"
    & skf18("5","2","9","2","3","10","1") = "9"
    & skf18("5","2","9","2","4","1","1") = "8"
    & skf18("5","2","9","2","4","2","1") = "8"
    & skf18("5","2","9","2","4","3","1") = "8"
    & skf18("5","2","9","2","4","4","1") = "8"
    & skf18("5","2","9","2","4","5","1") = "8"
    & skf18("5","2","9","2","4","6","1") = "8"
    & skf18("5","2","9","2","4","7","1") = "8"
    & skf18("5","2","9","2","4","8","1") = "8"
    & skf18("5","2","9","2","4","9","1") = "8"
    & skf18("5","2","9","2","4","10","1") = "9"
    & skf18("5","2","9","2","5","1","1") = "8"
    & skf18("5","2","9","2","5","2","1") = "8"
    & skf18("5","2","9","2","5","3","1") = "8"
    & skf18("5","2","9","2","5","4","1") = "8"
    & skf18("5","2","9","2","5","5","1") = "8"
    & skf18("5","2","9","2","5","6","1") = "8"
    & skf18("5","2","9","2","5","7","1") = "8"
    & skf18("5","2","9","2","5","8","1") = "8"
    & skf18("5","2","9","2","5","9","1") = "8"
    & skf18("5","2","9","2","5","10","1") = "9"
    & skf18("5","2","9","2","6","1","1") = "8"
    & skf18("5","2","9","2","6","2","1") = "8"
    & skf18("5","2","9","2","6","3","1") = "8"
    & skf18("5","2","9","2","6","4","1") = "8"
    & skf18("5","2","9","2","6","5","1") = "8"
    & skf18("5","2","9","2","6","6","1") = "8"
    & skf18("5","2","9","2","6","7","1") = "8"
    & skf18("5","2","9","2","6","8","1") = "8"
    & skf18("5","2","9","2","6","9","1") = "8"
    & skf18("5","2","9","2","6","10","1") = "9"
    & skf18("5","2","9","2","7","1","1") = "8"
    & skf18("5","2","9","2","7","2","1") = "8"
    & skf18("5","2","9","2","7","3","1") = "8"
    & skf18("5","2","9","2","7","4","1") = "8"
    & skf18("5","2","9","2","7","5","1") = "8"
    & skf18("5","2","9","2","7","6","1") = "8"
    & skf18("5","2","9","2","7","7","1") = "8"
    & skf18("5","2","9","2","7","8","1") = "8"
    & skf18("5","2","9","2","7","9","1") = "8"
    & skf18("5","2","9","2","7","10","1") = "9"
    & skf18("5","2","9","2","8","1","1") = "8"
    & skf18("5","2","9","2","8","2","1") = "8"
    & skf18("5","2","9","2","8","3","1") = "8"
    & skf18("5","2","9","2","8","4","1") = "8"
    & skf18("5","2","9","2","8","5","1") = "8"
    & skf18("5","2","9","2","8","6","1") = "8"
    & skf18("5","2","9","2","8","7","1") = "8"
    & skf18("5","2","9","2","8","8","1") = "8"
    & skf18("5","2","9","2","8","9","1") = "8"
    & skf18("5","2","9","2","8","10","1") = "9"
    & skf18("5","2","9","2","9","1","1") = "8"
    & skf18("5","2","9","2","9","2","1") = "8"
    & skf18("5","2","9","2","9","3","1") = "8"
    & skf18("5","2","9","2","9","4","1") = "8"
    & skf18("5","2","9","2","9","5","1") = "8"
    & skf18("5","2","9","2","9","6","1") = "8"
    & skf18("5","2","9","2","9","7","1") = "8"
    & skf18("5","2","9","2","9","8","1") = "8"
    & skf18("5","2","9","2","9","9","1") = "8"
    & skf18("5","2","9","2","9","10","1") = "9"
    & skf18("5","2","9","2","10","1","1") = "9"
    & skf18("5","2","9","2","10","2","1") = "9"
    & skf18("5","2","9","2","10","3","1") = "9"
    & skf18("5","2","9","2","10","4","1") = "9"
    & skf18("5","2","9","2","10","5","1") = "9"
    & skf18("5","2","9","2","10","6","1") = "9"
    & skf18("5","2","9","2","10","7","1") = "9"
    & skf18("5","2","9","2","10","8","1") = "9"
    & skf18("5","2","9","2","10","9","1") = "9"
    & skf18("5","2","9","2","10","10","1") = "9"
    & skf18("5","2","9","3","1","1","1") = "8"
    & skf18("5","2","9","3","1","2","1") = "8"
    & skf18("5","2","9","3","1","3","1") = "8"
    & skf18("5","2","9","3","1","4","1") = "8"
    & skf18("5","2","9","3","1","5","1") = "8"
    & skf18("5","2","9","3","1","6","1") = "8"
    & skf18("5","2","9","3","1","7","1") = "8"
    & skf18("5","2","9","3","1","8","1") = "8"
    & skf18("5","2","9","3","1","9","1") = "8"
    & skf18("5","2","9","3","1","10","1") = "9"
    & skf18("5","2","9","3","2","1","1") = "8"
    & skf18("5","2","9","3","2","2","1") = "8"
    & skf18("5","2","9","3","2","3","1") = "8"
    & skf18("5","2","9","3","2","4","1") = "8"
    & skf18("5","2","9","3","2","5","1") = "8"
    & skf18("5","2","9","3","2","6","1") = "8"
    & skf18("5","2","9","3","2","7","1") = "8"
    & skf18("5","2","9","3","2","8","1") = "8"
    & skf18("5","2","9","3","2","9","1") = "8"
    & skf18("5","2","9","3","2","10","1") = "9"
    & skf18("5","2","9","3","3","1","1") = "8"
    & skf18("5","2","9","3","3","2","1") = "8"
    & skf18("5","2","9","3","3","3","1") = "8"
    & skf18("5","2","9","3","3","4","1") = "8"
    & skf18("5","2","9","3","3","5","1") = "8"
    & skf18("5","2","9","3","3","6","1") = "8"
    & skf18("5","2","9","3","3","7","1") = "8"
    & skf18("5","2","9","3","3","8","1") = "8"
    & skf18("5","2","9","3","3","9","1") = "8"
    & skf18("5","2","9","3","3","10","1") = "9"
    & skf18("5","2","9","3","4","1","1") = "8"
    & skf18("5","2","9","3","4","2","1") = "8"
    & skf18("5","2","9","3","4","3","1") = "8"
    & skf18("5","2","9","3","4","4","1") = "8"
    & skf18("5","2","9","3","4","5","1") = "8"
    & skf18("5","2","9","3","4","6","1") = "8"
    & skf18("5","2","9","3","4","7","1") = "8"
    & skf18("5","2","9","3","4","8","1") = "8"
    & skf18("5","2","9","3","4","9","1") = "8"
    & skf18("5","2","9","3","4","10","1") = "9"
    & skf18("5","2","9","3","5","1","1") = "8"
    & skf18("5","2","9","3","5","2","1") = "8"
    & skf18("5","2","9","3","5","3","1") = "8"
    & skf18("5","2","9","3","5","4","1") = "8"
    & skf18("5","2","9","3","5","5","1") = "8"
    & skf18("5","2","9","3","5","6","1") = "8"
    & skf18("5","2","9","3","5","7","1") = "8"
    & skf18("5","2","9","3","5","8","1") = "8"
    & skf18("5","2","9","3","5","9","1") = "8"
    & skf18("5","2","9","3","5","10","1") = "9"
    & skf18("5","2","9","3","6","1","1") = "8"
    & skf18("5","2","9","3","6","2","1") = "8"
    & skf18("5","2","9","3","6","3","1") = "8"
    & skf18("5","2","9","3","6","4","1") = "8"
    & skf18("5","2","9","3","6","5","1") = "8"
    & skf18("5","2","9","3","6","6","1") = "8"
    & skf18("5","2","9","3","6","7","1") = "8"
    & skf18("5","2","9","3","6","8","1") = "8"
    & skf18("5","2","9","3","6","9","1") = "8"
    & skf18("5","2","9","3","6","10","1") = "9"
    & skf18("5","2","9","3","7","1","1") = "8"
    & skf18("5","2","9","3","7","2","1") = "8"
    & skf18("5","2","9","3","7","3","1") = "8"
    & skf18("5","2","9","3","7","4","1") = "8"
    & skf18("5","2","9","3","7","5","1") = "8"
    & skf18("5","2","9","3","7","6","1") = "8"
    & skf18("5","2","9","3","7","7","1") = "8"
    & skf18("5","2","9","3","7","8","1") = "8"
    & skf18("5","2","9","3","7","9","1") = "8"
    & skf18("5","2","9","3","7","10","1") = "9"
    & skf18("5","2","9","3","8","1","1") = "8"
    & skf18("5","2","9","3","8","2","1") = "8"
    & skf18("5","2","9","3","8","3","1") = "8"
    & skf18("5","2","9","3","8","4","1") = "8"
    & skf18("5","2","9","3","8","5","1") = "8"
    & skf18("5","2","9","3","8","6","1") = "8"
    & skf18("5","2","9","3","8","7","1") = "8"
    & skf18("5","2","9","3","8","8","1") = "8"
    & skf18("5","2","9","3","8","9","1") = "8"
    & skf18("5","2","9","3","8","10","1") = "9"
    & skf18("5","2","9","3","9","1","1") = "8"
    & skf18("5","2","9","3","9","2","1") = "8"
    & skf18("5","2","9","3","9","3","1") = "8"
    & skf18("5","2","9","3","9","4","1") = "8"
    & skf18("5","2","9","3","9","5","1") = "8"
    & skf18("5","2","9","3","9","6","1") = "8"
    & skf18("5","2","9","3","9","7","1") = "8"
    & skf18("5","2","9","3","9","8","1") = "8"
    & skf18("5","2","9","3","9","9","1") = "8"
    & skf18("5","2","9","3","9","10","1") = "9"
    & skf18("5","2","9","3","10","1","1") = "9"
    & skf18("5","2","9","3","10","2","1") = "9"
    & skf18("5","2","9","3","10","3","1") = "9"
    & skf18("5","2","9","3","10","4","1") = "9"
    & skf18("5","2","9","3","10","5","1") = "9"
    & skf18("5","2","9","3","10","6","1") = "9"
    & skf18("5","2","9","3","10","7","1") = "9"
    & skf18("5","2","9","3","10","8","1") = "9"
    & skf18("5","2","9","3","10","9","1") = "9"
    & skf18("5","2","9","3","10","10","1") = "9"
    & skf18("5","2","9","4","1","1","1") = "8"
    & skf18("5","2","9","4","1","2","1") = "8"
    & skf18("5","2","9","4","1","3","1") = "8"
    & skf18("5","2","9","4","1","4","1") = "8"
    & skf18("5","2","9","4","1","5","1") = "8"
    & skf18("5","2","9","4","1","6","1") = "8"
    & skf18("5","2","9","4","1","7","1") = "8"
    & skf18("5","2","9","4","1","8","1") = "8"
    & skf18("5","2","9","4","1","9","1") = "8"
    & skf18("5","2","9","4","1","10","1") = "9"
    & skf18("5","2","9","4","2","1","1") = "8"
    & skf18("5","2","9","4","2","2","1") = "8"
    & skf18("5","2","9","4","2","3","1") = "8"
    & skf18("5","2","9","4","2","4","1") = "8"
    & skf18("5","2","9","4","2","5","1") = "8"
    & skf18("5","2","9","4","2","6","1") = "8"
    & skf18("5","2","9","4","2","7","1") = "8"
    & skf18("5","2","9","4","2","8","1") = "8"
    & skf18("5","2","9","4","2","9","1") = "8"
    & skf18("5","2","9","4","2","10","1") = "9"
    & skf18("5","2","9","4","3","1","1") = "8"
    & skf18("5","2","9","4","3","2","1") = "8"
    & skf18("5","2","9","4","3","3","1") = "8"
    & skf18("5","2","9","4","3","4","1") = "8"
    & skf18("5","2","9","4","3","5","1") = "8"
    & skf18("5","2","9","4","3","6","1") = "8"
    & skf18("5","2","9","4","3","7","1") = "8"
    & skf18("5","2","9","4","3","8","1") = "8"
    & skf18("5","2","9","4","3","9","1") = "8"
    & skf18("5","2","9","4","3","10","1") = "9"
    & skf18("5","2","9","4","4","1","1") = "8"
    & skf18("5","2","9","4","4","2","1") = "8"
    & skf18("5","2","9","4","4","3","1") = "8"
    & skf18("5","2","9","4","4","4","1") = "8"
    & skf18("5","2","9","4","4","5","1") = "8"
    & skf18("5","2","9","4","4","6","1") = "8"
    & skf18("5","2","9","4","4","7","1") = "8"
    & skf18("5","2","9","4","4","8","1") = "8"
    & skf18("5","2","9","4","4","9","1") = "8"
    & skf18("5","2","9","4","4","10","1") = "9"
    & skf18("5","2","9","4","5","1","1") = "8"
    & skf18("5","2","9","4","5","2","1") = "8"
    & skf18("5","2","9","4","5","3","1") = "8"
    & skf18("5","2","9","4","5","4","1") = "8"
    & skf18("5","2","9","4","5","5","1") = "8"
    & skf18("5","2","9","4","5","6","1") = "8"
    & skf18("5","2","9","4","5","7","1") = "8"
    & skf18("5","2","9","4","5","8","1") = "8"
    & skf18("5","2","9","4","5","9","1") = "8"
    & skf18("5","2","9","4","5","10","1") = "9"
    & skf18("5","2","9","4","6","1","1") = "8"
    & skf18("5","2","9","4","6","2","1") = "8"
    & skf18("5","2","9","4","6","3","1") = "8"
    & skf18("5","2","9","4","6","4","1") = "8"
    & skf18("5","2","9","4","6","5","1") = "8"
    & skf18("5","2","9","4","6","6","1") = "8"
    & skf18("5","2","9","4","6","7","1") = "8"
    & skf18("5","2","9","4","6","8","1") = "8"
    & skf18("5","2","9","4","6","9","1") = "8"
    & skf18("5","2","9","4","6","10","1") = "9"
    & skf18("5","2","9","4","7","1","1") = "8"
    & skf18("5","2","9","4","7","2","1") = "8"
    & skf18("5","2","9","4","7","3","1") = "8"
    & skf18("5","2","9","4","7","4","1") = "8"
    & skf18("5","2","9","4","7","5","1") = "8"
    & skf18("5","2","9","4","7","6","1") = "8"
    & skf18("5","2","9","4","7","7","1") = "8"
    & skf18("5","2","9","4","7","8","1") = "8"
    & skf18("5","2","9","4","7","9","1") = "8"
    & skf18("5","2","9","4","7","10","1") = "9"
    & skf18("5","2","9","4","8","1","1") = "8"
    & skf18("5","2","9","4","8","2","1") = "8"
    & skf18("5","2","9","4","8","3","1") = "8"
    & skf18("5","2","9","4","8","4","1") = "8"
    & skf18("5","2","9","4","8","5","1") = "8"
    & skf18("5","2","9","4","8","6","1") = "8"
    & skf18("5","2","9","4","8","7","1") = "8"
    & skf18("5","2","9","4","8","8","1") = "8"
    & skf18("5","2","9","4","8","9","1") = "8"
    & skf18("5","2","9","4","8","10","1") = "9"
    & skf18("5","2","9","4","9","1","1") = "8"
    & skf18("5","2","9","4","9","2","1") = "8"
    & skf18("5","2","9","4","9","3","1") = "8"
    & skf18("5","2","9","4","9","4","1") = "8"
    & skf18("5","2","9","4","9","5","1") = "8"
    & skf18("5","2","9","4","9","6","1") = "8"
    & skf18("5","2","9","4","9","7","1") = "8"
    & skf18("5","2","9","4","9","8","1") = "8"
    & skf18("5","2","9","4","9","9","1") = "8"
    & skf18("5","2","9","4","9","10","1") = "9"
    & skf18("5","2","9","4","10","1","1") = "9"
    & skf18("5","2","9","4","10","2","1") = "9"
    & skf18("5","2","9","4","10","3","1") = "9"
    & skf18("5","2","9","4","10","4","1") = "9"
    & skf18("5","2","9","4","10","5","1") = "9"
    & skf18("5","2","9","4","10","6","1") = "9"
    & skf18("5","2","9","4","10","7","1") = "9"
    & skf18("5","2","9","4","10","8","1") = "9"
    & skf18("5","2","9","4","10","9","1") = "9"
    & skf18("5","2","9","4","10","10","1") = "9"
    & skf18("5","2","9","5","1","1","1") = "8"
    & skf18("5","2","9","5","1","2","1") = "8"
    & skf18("5","2","9","5","1","3","1") = "8"
    & skf18("5","2","9","5","1","4","1") = "8"
    & skf18("5","2","9","5","1","5","1") = "8"
    & skf18("5","2","9","5","1","6","1") = "8"
    & skf18("5","2","9","5","1","7","1") = "8"
    & skf18("5","2","9","5","1","8","1") = "8"
    & skf18("5","2","9","5","1","9","1") = "8"
    & skf18("5","2","9","5","1","10","1") = "9"
    & skf18("5","2","9","5","2","1","1") = "8"
    & skf18("5","2","9","5","2","2","1") = "8"
    & skf18("5","2","9","5","2","3","1") = "8"
    & skf18("5","2","9","5","2","4","1") = "8"
    & skf18("5","2","9","5","2","5","1") = "8"
    & skf18("5","2","9","5","2","6","1") = "8"
    & skf18("5","2","9","5","2","7","1") = "8"
    & skf18("5","2","9","5","2","8","1") = "8"
    & skf18("5","2","9","5","2","9","1") = "8"
    & skf18("5","2","9","5","2","10","1") = "9"
    & skf18("5","2","9","5","3","1","1") = "8"
    & skf18("5","2","9","5","3","2","1") = "8"
    & skf18("5","2","9","5","3","3","1") = "8"
    & skf18("5","2","9","5","3","4","1") = "8"
    & skf18("5","2","9","5","3","5","1") = "8"
    & skf18("5","2","9","5","3","6","1") = "8"
    & skf18("5","2","9","5","3","7","1") = "8"
    & skf18("5","2","9","5","3","8","1") = "8"
    & skf18("5","2","9","5","3","9","1") = "8"
    & skf18("5","2","9","5","3","10","1") = "9"
    & skf18("5","2","9","5","4","1","1") = "8"
    & skf18("5","2","9","5","4","2","1") = "8"
    & skf18("5","2","9","5","4","3","1") = "8"
    & skf18("5","2","9","5","4","4","1") = "8"
    & skf18("5","2","9","5","4","5","1") = "8"
    & skf18("5","2","9","5","4","6","1") = "8"
    & skf18("5","2","9","5","4","7","1") = "8"
    & skf18("5","2","9","5","4","8","1") = "8"
    & skf18("5","2","9","5","4","9","1") = "8"
    & skf18("5","2","9","5","4","10","1") = "9"
    & skf18("5","2","9","5","5","1","1") = "8"
    & skf18("5","2","9","5","5","2","1") = "8"
    & skf18("5","2","9","5","5","3","1") = "8"
    & skf18("5","2","9","5","5","4","1") = "8"
    & skf18("5","2","9","5","5","5","1") = "8"
    & skf18("5","2","9","5","5","6","1") = "8"
    & skf18("5","2","9","5","5","7","1") = "8"
    & skf18("5","2","9","5","5","8","1") = "8"
    & skf18("5","2","9","5","5","9","1") = "8"
    & skf18("5","2","9","5","5","10","1") = "9"
    & skf18("5","2","9","5","6","1","1") = "8"
    & skf18("5","2","9","5","6","2","1") = "8"
    & skf18("5","2","9","5","6","3","1") = "8"
    & skf18("5","2","9","5","6","4","1") = "8"
    & skf18("5","2","9","5","6","5","1") = "8"
    & skf18("5","2","9","5","6","6","1") = "8"
    & skf18("5","2","9","5","6","7","1") = "8"
    & skf18("5","2","9","5","6","8","1") = "8"
    & skf18("5","2","9","5","6","9","1") = "8"
    & skf18("5","2","9","5","6","10","1") = "9"
    & skf18("5","2","9","5","7","1","1") = "8"
    & skf18("5","2","9","5","7","2","1") = "8"
    & skf18("5","2","9","5","7","3","1") = "8"
    & skf18("5","2","9","5","7","4","1") = "8"
    & skf18("5","2","9","5","7","5","1") = "8"
    & skf18("5","2","9","5","7","6","1") = "8"
    & skf18("5","2","9","5","7","7","1") = "8"
    & skf18("5","2","9","5","7","8","1") = "8"
    & skf18("5","2","9","5","7","9","1") = "8"
    & skf18("5","2","9","5","7","10","1") = "9"
    & skf18("5","2","9","5","8","1","1") = "8"
    & skf18("5","2","9","5","8","2","1") = "8"
    & skf18("5","2","9","5","8","3","1") = "8"
    & skf18("5","2","9","5","8","4","1") = "8"
    & skf18("5","2","9","5","8","5","1") = "8"
    & skf18("5","2","9","5","8","6","1") = "8"
    & skf18("5","2","9","5","8","7","1") = "8"
    & skf18("5","2","9","5","8","8","1") = "8"
    & skf18("5","2","9","5","8","9","1") = "8"
    & skf18("5","2","9","5","8","10","1") = "9"
    & skf18("5","2","9","5","9","1","1") = "8"
    & skf18("5","2","9","5","9","2","1") = "8"
    & skf18("5","2","9","5","9","3","1") = "8"
    & skf18("5","2","9","5","9","4","1") = "8"
    & skf18("5","2","9","5","9","5","1") = "8"
    & skf18("5","2","9","5","9","6","1") = "8"
    & skf18("5","2","9","5","9","7","1") = "8"
    & skf18("5","2","9","5","9","8","1") = "8"
    & skf18("5","2","9","5","9","9","1") = "8"
    & skf18("5","2","9","5","9","10","1") = "9"
    & skf18("5","2","9","5","10","1","1") = "9"
    & skf18("5","2","9","5","10","2","1") = "9"
    & skf18("5","2","9","5","10","3","1") = "9"
    & skf18("5","2","9","5","10","4","1") = "9"
    & skf18("5","2","9","5","10","5","1") = "9"
    & skf18("5","2","9","5","10","6","1") = "9"
    & skf18("5","2","9","5","10","7","1") = "9"
    & skf18("5","2","9","5","10","8","1") = "9"
    & skf18("5","2","9","5","10","9","1") = "9"
    & skf18("5","2","9","5","10","10","1") = "9"
    & skf18("5","2","9","6","1","1","1") = "8"
    & skf18("5","2","9","6","1","2","1") = "8"
    & skf18("5","2","9","6","1","3","1") = "8"
    & skf18("5","2","9","6","1","4","1") = "8"
    & skf18("5","2","9","6","1","5","1") = "8"
    & skf18("5","2","9","6","1","6","1") = "8"
    & skf18("5","2","9","6","1","7","1") = "8"
    & skf18("5","2","9","6","1","8","1") = "8"
    & skf18("5","2","9","6","1","9","1") = "8"
    & skf18("5","2","9","6","1","10","1") = "9"
    & skf18("5","2","9","6","2","1","1") = "8"
    & skf18("5","2","9","6","2","2","1") = "8"
    & skf18("5","2","9","6","2","3","1") = "8"
    & skf18("5","2","9","6","2","4","1") = "8"
    & skf18("5","2","9","6","2","5","1") = "8"
    & skf18("5","2","9","6","2","6","1") = "8"
    & skf18("5","2","9","6","2","7","1") = "8"
    & skf18("5","2","9","6","2","8","1") = "8"
    & skf18("5","2","9","6","2","9","1") = "8"
    & skf18("5","2","9","6","2","10","1") = "9"
    & skf18("5","2","9","6","3","1","1") = "8"
    & skf18("5","2","9","6","3","2","1") = "8"
    & skf18("5","2","9","6","3","3","1") = "8"
    & skf18("5","2","9","6","3","4","1") = "8"
    & skf18("5","2","9","6","3","5","1") = "8"
    & skf18("5","2","9","6","3","6","1") = "8"
    & skf18("5","2","9","6","3","7","1") = "8"
    & skf18("5","2","9","6","3","8","1") = "8"
    & skf18("5","2","9","6","3","9","1") = "8"
    & skf18("5","2","9","6","3","10","1") = "9"
    & skf18("5","2","9","6","4","1","1") = "8"
    & skf18("5","2","9","6","4","2","1") = "8"
    & skf18("5","2","9","6","4","3","1") = "8"
    & skf18("5","2","9","6","4","4","1") = "8"
    & skf18("5","2","9","6","4","5","1") = "8"
    & skf18("5","2","9","6","4","6","1") = "8"
    & skf18("5","2","9","6","4","7","1") = "8"
    & skf18("5","2","9","6","4","8","1") = "8"
    & skf18("5","2","9","6","4","9","1") = "8"
    & skf18("5","2","9","6","4","10","1") = "9"
    & skf18("5","2","9","6","5","1","1") = "8"
    & skf18("5","2","9","6","5","2","1") = "8"
    & skf18("5","2","9","6","5","3","1") = "8"
    & skf18("5","2","9","6","5","4","1") = "8"
    & skf18("5","2","9","6","5","5","1") = "8"
    & skf18("5","2","9","6","5","6","1") = "8"
    & skf18("5","2","9","6","5","7","1") = "8"
    & skf18("5","2","9","6","5","8","1") = "8"
    & skf18("5","2","9","6","5","9","1") = "8"
    & skf18("5","2","9","6","5","10","1") = "9"
    & skf18("5","2","9","6","6","1","1") = "8"
    & skf18("5","2","9","6","6","2","1") = "8"
    & skf18("5","2","9","6","6","3","1") = "8"
    & skf18("5","2","9","6","6","4","1") = "8"
    & skf18("5","2","9","6","6","5","1") = "8"
    & skf18("5","2","9","6","6","6","1") = "8"
    & skf18("5","2","9","6","6","7","1") = "8"
    & skf18("5","2","9","6","6","8","1") = "8"
    & skf18("5","2","9","6","6","9","1") = "8"
    & skf18("5","2","9","6","6","10","1") = "9"
    & skf18("5","2","9","6","7","1","1") = "8"
    & skf18("5","2","9","6","7","2","1") = "8"
    & skf18("5","2","9","6","7","3","1") = "8"
    & skf18("5","2","9","6","7","4","1") = "8"
    & skf18("5","2","9","6","7","5","1") = "8"
    & skf18("5","2","9","6","7","6","1") = "8"
    & skf18("5","2","9","6","7","7","1") = "8"
    & skf18("5","2","9","6","7","8","1") = "8"
    & skf18("5","2","9","6","7","9","1") = "8"
    & skf18("5","2","9","6","7","10","1") = "9"
    & skf18("5","2","9","6","8","1","1") = "8"
    & skf18("5","2","9","6","8","2","1") = "8"
    & skf18("5","2","9","6","8","3","1") = "8"
    & skf18("5","2","9","6","8","4","1") = "8"
    & skf18("5","2","9","6","8","5","1") = "8"
    & skf18("5","2","9","6","8","6","1") = "8"
    & skf18("5","2","9","6","8","7","1") = "8"
    & skf18("5","2","9","6","8","8","1") = "8"
    & skf18("5","2","9","6","8","9","1") = "8"
    & skf18("5","2","9","6","8","10","1") = "9"
    & skf18("5","2","9","6","9","1","1") = "8"
    & skf18("5","2","9","6","9","2","1") = "8"
    & skf18("5","2","9","6","9","3","1") = "8"
    & skf18("5","2","9","6","9","4","1") = "8"
    & skf18("5","2","9","6","9","5","1") = "8"
    & skf18("5","2","9","6","9","6","1") = "8"
    & skf18("5","2","9","6","9","7","1") = "8"
    & skf18("5","2","9","6","9","8","1") = "8"
    & skf18("5","2","9","6","9","9","1") = "8"
    & skf18("5","2","9","6","9","10","1") = "9"
    & skf18("5","2","9","6","10","1","1") = "9"
    & skf18("5","2","9","6","10","2","1") = "9"
    & skf18("5","2","9","6","10","3","1") = "9"
    & skf18("5","2","9","6","10","4","1") = "9"
    & skf18("5","2","9","6","10","5","1") = "9"
    & skf18("5","2","9","6","10","6","1") = "9"
    & skf18("5","2","9","6","10","7","1") = "9"
    & skf18("5","2","9","6","10","8","1") = "9"
    & skf18("5","2","9","6","10","9","1") = "9"
    & skf18("5","2","9","6","10","10","1") = "9"
    & skf18("5","2","9","7","1","1","1") = "8"
    & skf18("5","2","9","7","1","2","1") = "8"
    & skf18("5","2","9","7","1","3","1") = "8"
    & skf18("5","2","9","7","1","4","1") = "8"
    & skf18("5","2","9","7","1","5","1") = "8"
    & skf18("5","2","9","7","1","6","1") = "8"
    & skf18("5","2","9","7","1","7","1") = "8"
    & skf18("5","2","9","7","1","8","1") = "8"
    & skf18("5","2","9","7","1","9","1") = "8"
    & skf18("5","2","9","7","1","10","1") = "9"
    & skf18("5","2","9","7","2","1","1") = "8"
    & skf18("5","2","9","7","2","2","1") = "8"
    & skf18("5","2","9","7","2","3","1") = "8"
    & skf18("5","2","9","7","2","4","1") = "8"
    & skf18("5","2","9","7","2","5","1") = "8"
    & skf18("5","2","9","7","2","6","1") = "8"
    & skf18("5","2","9","7","2","7","1") = "8"
    & skf18("5","2","9","7","2","8","1") = "8"
    & skf18("5","2","9","7","2","9","1") = "8"
    & skf18("5","2","9","7","2","10","1") = "9"
    & skf18("5","2","9","7","3","1","1") = "8"
    & skf18("5","2","9","7","3","2","1") = "8"
    & skf18("5","2","9","7","3","3","1") = "8"
    & skf18("5","2","9","7","3","4","1") = "8"
    & skf18("5","2","9","7","3","5","1") = "8"
    & skf18("5","2","9","7","3","6","1") = "8"
    & skf18("5","2","9","7","3","7","1") = "8"
    & skf18("5","2","9","7","3","8","1") = "8"
    & skf18("5","2","9","7","3","9","1") = "8"
    & skf18("5","2","9","7","3","10","1") = "9"
    & skf18("5","2","9","7","4","1","1") = "8"
    & skf18("5","2","9","7","4","2","1") = "8"
    & skf18("5","2","9","7","4","3","1") = "8"
    & skf18("5","2","9","7","4","4","1") = "8"
    & skf18("5","2","9","7","4","5","1") = "8"
    & skf18("5","2","9","7","4","6","1") = "8"
    & skf18("5","2","9","7","4","7","1") = "8"
    & skf18("5","2","9","7","4","8","1") = "8"
    & skf18("5","2","9","7","4","9","1") = "8"
    & skf18("5","2","9","7","4","10","1") = "9"
    & skf18("5","2","9","7","5","1","1") = "8"
    & skf18("5","2","9","7","5","2","1") = "8"
    & skf18("5","2","9","7","5","3","1") = "8"
    & skf18("5","2","9","7","5","4","1") = "8"
    & skf18("5","2","9","7","5","5","1") = "8"
    & skf18("5","2","9","7","5","6","1") = "8"
    & skf18("5","2","9","7","5","7","1") = "8"
    & skf18("5","2","9","7","5","8","1") = "8"
    & skf18("5","2","9","7","5","9","1") = "8"
    & skf18("5","2","9","7","5","10","1") = "9"
    & skf18("5","2","9","7","6","1","1") = "8"
    & skf18("5","2","9","7","6","2","1") = "8"
    & skf18("5","2","9","7","6","3","1") = "8"
    & skf18("5","2","9","7","6","4","1") = "8"
    & skf18("5","2","9","7","6","5","1") = "8"
    & skf18("5","2","9","7","6","6","1") = "8"
    & skf18("5","2","9","7","6","7","1") = "8"
    & skf18("5","2","9","7","6","8","1") = "8"
    & skf18("5","2","9","7","6","9","1") = "8"
    & skf18("5","2","9","7","6","10","1") = "9"
    & skf18("5","2","9","7","7","1","1") = "8"
    & skf18("5","2","9","7","7","2","1") = "8"
    & skf18("5","2","9","7","7","3","1") = "8"
    & skf18("5","2","9","7","7","4","1") = "8"
    & skf18("5","2","9","7","7","5","1") = "8"
    & skf18("5","2","9","7","7","6","1") = "8"
    & skf18("5","2","9","7","7","7","1") = "8"
    & skf18("5","2","9","7","7","8","1") = "8"
    & skf18("5","2","9","7","7","9","1") = "8"
    & skf18("5","2","9","7","7","10","1") = "9"
    & skf18("5","2","9","7","8","1","1") = "8"
    & skf18("5","2","9","7","8","2","1") = "8"
    & skf18("5","2","9","7","8","3","1") = "8"
    & skf18("5","2","9","7","8","4","1") = "8"
    & skf18("5","2","9","7","8","5","1") = "8"
    & skf18("5","2","9","7","8","6","1") = "8"
    & skf18("5","2","9","7","8","7","1") = "8"
    & skf18("5","2","9","7","8","8","1") = "8"
    & skf18("5","2","9","7","8","9","1") = "8"
    & skf18("5","2","9","7","8","10","1") = "9"
    & skf18("5","2","9","7","9","1","1") = "8"
    & skf18("5","2","9","7","9","2","1") = "8"
    & skf18("5","2","9","7","9","3","1") = "8"
    & skf18("5","2","9","7","9","4","1") = "8"
    & skf18("5","2","9","7","9","5","1") = "8"
    & skf18("5","2","9","7","9","6","1") = "8"
    & skf18("5","2","9","7","9","7","1") = "8"
    & skf18("5","2","9","7","9","8","1") = "8"
    & skf18("5","2","9","7","9","9","1") = "8"
    & skf18("5","2","9","7","9","10","1") = "9"
    & skf18("5","2","9","7","10","1","1") = "9"
    & skf18("5","2","9","7","10","2","1") = "9"
    & skf18("5","2","9","7","10","3","1") = "9"
    & skf18("5","2","9","7","10","4","1") = "9"
    & skf18("5","2","9","7","10","5","1") = "9"
    & skf18("5","2","9","7","10","6","1") = "9"
    & skf18("5","2","9","7","10","7","1") = "9"
    & skf18("5","2","9","7","10","8","1") = "9"
    & skf18("5","2","9","7","10","9","1") = "9"
    & skf18("5","2","9","7","10","10","1") = "9"
    & skf18("5","2","9","8","1","1","1") = "8"
    & skf18("5","2","9","8","1","2","1") = "8"
    & skf18("5","2","9","8","1","3","1") = "8"
    & skf18("5","2","9","8","1","4","1") = "8"
    & skf18("5","2","9","8","1","5","1") = "8"
    & skf18("5","2","9","8","1","6","1") = "8"
    & skf18("5","2","9","8","1","7","1") = "8"
    & skf18("5","2","9","8","1","8","1") = "8"
    & skf18("5","2","9","8","1","9","1") = "8"
    & skf18("5","2","9","8","1","10","1") = "9"
    & skf18("5","2","9","8","2","1","1") = "8"
    & skf18("5","2","9","8","2","2","1") = "8"
    & skf18("5","2","9","8","2","3","1") = "8"
    & skf18("5","2","9","8","2","4","1") = "8"
    & skf18("5","2","9","8","2","5","1") = "8"
    & skf18("5","2","9","8","2","6","1") = "8"
    & skf18("5","2","9","8","2","7","1") = "8"
    & skf18("5","2","9","8","2","8","1") = "8"
    & skf18("5","2","9","8","2","9","1") = "8"
    & skf18("5","2","9","8","2","10","1") = "9"
    & skf18("5","2","9","8","3","1","1") = "8"
    & skf18("5","2","9","8","3","2","1") = "8"
    & skf18("5","2","9","8","3","3","1") = "8"
    & skf18("5","2","9","8","3","4","1") = "8"
    & skf18("5","2","9","8","3","5","1") = "8"
    & skf18("5","2","9","8","3","6","1") = "8"
    & skf18("5","2","9","8","3","7","1") = "8"
    & skf18("5","2","9","8","3","8","1") = "8"
    & skf18("5","2","9","8","3","9","1") = "8"
    & skf18("5","2","9","8","3","10","1") = "9"
    & skf18("5","2","9","8","4","1","1") = "8"
    & skf18("5","2","9","8","4","2","1") = "8"
    & skf18("5","2","9","8","4","3","1") = "8"
    & skf18("5","2","9","8","4","4","1") = "8"
    & skf18("5","2","9","8","4","5","1") = "8"
    & skf18("5","2","9","8","4","6","1") = "8"
    & skf18("5","2","9","8","4","7","1") = "8"
    & skf18("5","2","9","8","4","8","1") = "8"
    & skf18("5","2","9","8","4","9","1") = "8"
    & skf18("5","2","9","8","4","10","1") = "9"
    & skf18("5","2","9","8","5","1","1") = "8"
    & skf18("5","2","9","8","5","2","1") = "8"
    & skf18("5","2","9","8","5","3","1") = "8"
    & skf18("5","2","9","8","5","4","1") = "8"
    & skf18("5","2","9","8","5","5","1") = "8"
    & skf18("5","2","9","8","5","6","1") = "8"
    & skf18("5","2","9","8","5","7","1") = "8"
    & skf18("5","2","9","8","5","8","1") = "8"
    & skf18("5","2","9","8","5","9","1") = "8"
    & skf18("5","2","9","8","5","10","1") = "9"
    & skf18("5","2","9","8","6","1","1") = "8"
    & skf18("5","2","9","8","6","2","1") = "8"
    & skf18("5","2","9","8","6","3","1") = "8"
    & skf18("5","2","9","8","6","4","1") = "8"
    & skf18("5","2","9","8","6","5","1") = "8"
    & skf18("5","2","9","8","6","6","1") = "8"
    & skf18("5","2","9","8","6","7","1") = "8"
    & skf18("5","2","9","8","6","8","1") = "8"
    & skf18("5","2","9","8","6","9","1") = "8"
    & skf18("5","2","9","8","6","10","1") = "9"
    & skf18("5","2","9","8","7","1","1") = "8"
    & skf18("5","2","9","8","7","2","1") = "8"
    & skf18("5","2","9","8","7","3","1") = "8"
    & skf18("5","2","9","8","7","4","1") = "8"
    & skf18("5","2","9","8","7","5","1") = "8"
    & skf18("5","2","9","8","7","6","1") = "8"
    & skf18("5","2","9","8","7","7","1") = "8"
    & skf18("5","2","9","8","7","8","1") = "8"
    & skf18("5","2","9","8","7","9","1") = "8"
    & skf18("5","2","9","8","7","10","1") = "9"
    & skf18("5","2","9","8","8","1","1") = "8"
    & skf18("5","2","9","8","8","2","1") = "8"
    & skf18("5","2","9","8","8","3","1") = "8"
    & skf18("5","2","9","8","8","4","1") = "8"
    & skf18("5","2","9","8","8","5","1") = "8"
    & skf18("5","2","9","8","8","6","1") = "8"
    & skf18("5","2","9","8","8","7","1") = "8"
    & skf18("5","2","9","8","8","8","1") = "8"
    & skf18("5","2","9","8","8","9","1") = "8"
    & skf18("5","2","9","8","8","10","1") = "9"
    & skf18("5","2","9","8","9","1","1") = "8"
    & skf18("5","2","9","8","9","2","1") = "8"
    & skf18("5","2","9","8","9","3","1") = "8"
    & skf18("5","2","9","8","9","4","1") = "8"
    & skf18("5","2","9","8","9","5","1") = "8"
    & skf18("5","2","9","8","9","6","1") = "8"
    & skf18("5","2","9","8","9","7","1") = "8"
    & skf18("5","2","9","8","9","8","1") = "8"
    & skf18("5","2","9","8","9","9","1") = "8"
    & skf18("5","2","9","8","9","10","1") = "9"
    & skf18("5","2","9","8","10","1","1") = "9"
    & skf18("5","2","9","8","10","2","1") = "9"
    & skf18("5","2","9","8","10","3","1") = "9"
    & skf18("5","2","9","8","10","4","1") = "9"
    & skf18("5","2","9","8","10","5","1") = "9"
    & skf18("5","2","9","8","10","6","1") = "9"
    & skf18("5","2","9","8","10","7","1") = "9"
    & skf18("5","2","9","8","10","8","1") = "9"
    & skf18("5","2","9","8","10","9","1") = "9"
    & skf18("5","2","9","8","10","10","1") = "9"
    & skf18("5","2","9","9","1","1","1") = "8"
    & skf18("5","2","9","9","1","2","1") = "8"
    & skf18("5","2","9","9","1","3","1") = "8"
    & skf18("5","2","9","9","1","4","1") = "8"
    & skf18("5","2","9","9","1","5","1") = "8"
    & skf18("5","2","9","9","1","6","1") = "8"
    & skf18("5","2","9","9","1","7","1") = "8"
    & skf18("5","2","9","9","1","8","1") = "8"
    & skf18("5","2","9","9","1","9","1") = "8"
    & skf18("5","2","9","9","1","10","1") = "9"
    & skf18("5","2","9","9","2","1","1") = "8"
    & skf18("5","2","9","9","2","2","1") = "8"
    & skf18("5","2","9","9","2","3","1") = "8"
    & skf18("5","2","9","9","2","4","1") = "8"
    & skf18("5","2","9","9","2","5","1") = "8"
    & skf18("5","2","9","9","2","6","1") = "8"
    & skf18("5","2","9","9","2","7","1") = "8"
    & skf18("5","2","9","9","2","8","1") = "8"
    & skf18("5","2","9","9","2","9","1") = "8"
    & skf18("5","2","9","9","2","10","1") = "9"
    & skf18("5","2","9","9","3","1","1") = "8"
    & skf18("5","2","9","9","3","2","1") = "8"
    & skf18("5","2","9","9","3","3","1") = "8"
    & skf18("5","2","9","9","3","4","1") = "8"
    & skf18("5","2","9","9","3","5","1") = "8"
    & skf18("5","2","9","9","3","6","1") = "8"
    & skf18("5","2","9","9","3","7","1") = "8"
    & skf18("5","2","9","9","3","8","1") = "8"
    & skf18("5","2","9","9","3","9","1") = "8"
    & skf18("5","2","9","9","3","10","1") = "9"
    & skf18("5","2","9","9","4","1","1") = "8"
    & skf18("5","2","9","9","4","2","1") = "8"
    & skf18("5","2","9","9","4","3","1") = "8"
    & skf18("5","2","9","9","4","4","1") = "8"
    & skf18("5","2","9","9","4","5","1") = "8"
    & skf18("5","2","9","9","4","6","1") = "8"
    & skf18("5","2","9","9","4","7","1") = "8"
    & skf18("5","2","9","9","4","8","1") = "8"
    & skf18("5","2","9","9","4","9","1") = "8"
    & skf18("5","2","9","9","4","10","1") = "9"
    & skf18("5","2","9","9","5","1","1") = "8"
    & skf18("5","2","9","9","5","2","1") = "8"
    & skf18("5","2","9","9","5","3","1") = "8"
    & skf18("5","2","9","9","5","4","1") = "8"
    & skf18("5","2","9","9","5","5","1") = "8"
    & skf18("5","2","9","9","5","6","1") = "8"
    & skf18("5","2","9","9","5","7","1") = "8"
    & skf18("5","2","9","9","5","8","1") = "8"
    & skf18("5","2","9","9","5","9","1") = "8"
    & skf18("5","2","9","9","5","10","1") = "9"
    & skf18("5","2","9","9","6","1","1") = "8"
    & skf18("5","2","9","9","6","2","1") = "8"
    & skf18("5","2","9","9","6","3","1") = "8"
    & skf18("5","2","9","9","6","4","1") = "8"
    & skf18("5","2","9","9","6","5","1") = "8"
    & skf18("5","2","9","9","6","6","1") = "8"
    & skf18("5","2","9","9","6","7","1") = "8"
    & skf18("5","2","9","9","6","8","1") = "8"
    & skf18("5","2","9","9","6","9","1") = "8"
    & skf18("5","2","9","9","6","10","1") = "9"
    & skf18("5","2","9","9","7","1","1") = "8"
    & skf18("5","2","9","9","7","2","1") = "8"
    & skf18("5","2","9","9","7","3","1") = "8"
    & skf18("5","2","9","9","7","4","1") = "8"
    & skf18("5","2","9","9","7","5","1") = "8"
    & skf18("5","2","9","9","7","6","1") = "8"
    & skf18("5","2","9","9","7","7","1") = "8"
    & skf18("5","2","9","9","7","8","1") = "8"
    & skf18("5","2","9","9","7","9","1") = "8"
    & skf18("5","2","9","9","7","10","1") = "9"
    & skf18("5","2","9","9","8","1","1") = "8"
    & skf18("5","2","9","9","8","2","1") = "8"
    & skf18("5","2","9","9","8","3","1") = "8"
    & skf18("5","2","9","9","8","4","1") = "8"
    & skf18("5","2","9","9","8","5","1") = "8"
    & skf18("5","2","9","9","8","6","1") = "8"
    & skf18("5","2","9","9","8","7","1") = "8"
    & skf18("5","2","9","9","8","8","1") = "8"
    & skf18("5","2","9","9","8","9","1") = "8"
    & skf18("5","2","9","9","8","10","1") = "9"
    & skf18("5","2","9","9","9","1","1") = "8"
    & skf18("5","2","9","9","9","2","1") = "8"
    & skf18("5","2","9","9","9","3","1") = "8"
    & skf18("5","2","9","9","9","4","1") = "8"
    & skf18("5","2","9","9","9","5","1") = "8"
    & skf18("5","2","9","9","9","6","1") = "8"
    & skf18("5","2","9","9","9","7","1") = "8"
    & skf18("5","2","9","9","9","8","1") = "8"
    & skf18("5","2","9","9","9","9","1") = "8"
    & skf18("5","2","9","9","9","10","1") = "9"
    & skf18("5","2","9","9","10","1","1") = "9"
    & skf18("5","2","9","9","10","2","1") = "9"
    & skf18("5","2","9","9","10","3","1") = "9"
    & skf18("5","2","9","9","10","4","1") = "9"
    & skf18("5","2","9","9","10","5","1") = "9"
    & skf18("5","2","9","9","10","6","1") = "9"
    & skf18("5","2","9","9","10","7","1") = "9"
    & skf18("5","2","9","9","10","8","1") = "9"
    & skf18("5","2","9","9","10","9","1") = "9"
    & skf18("5","2","9","9","10","10","1") = "9"
    & skf18("5","2","9","10","1","1","1") = "9"
    & skf18("5","2","9","10","1","2","1") = "9"
    & skf18("5","2","9","10","1","3","1") = "9"
    & skf18("5","2","9","10","1","4","1") = "9"
    & skf18("5","2","9","10","1","5","1") = "9"
    & skf18("5","2","9","10","1","6","1") = "9"
    & skf18("5","2","9","10","1","7","1") = "9"
    & skf18("5","2","9","10","1","8","1") = "9"
    & skf18("5","2","9","10","1","9","1") = "9"
    & skf18("5","2","9","10","1","10","1") = "9"
    & skf18("5","2","9","10","2","1","1") = "9"
    & skf18("5","2","9","10","2","2","1") = "9"
    & skf18("5","2","9","10","2","3","1") = "9"
    & skf18("5","2","9","10","2","4","1") = "9"
    & skf18("5","2","9","10","2","5","1") = "9"
    & skf18("5","2","9","10","2","6","1") = "9"
    & skf18("5","2","9","10","2","7","1") = "9"
    & skf18("5","2","9","10","2","8","1") = "9"
    & skf18("5","2","9","10","2","9","1") = "9"
    & skf18("5","2","9","10","2","10","1") = "9"
    & skf18("5","2","9","10","3","1","1") = "9"
    & skf18("5","2","9","10","3","2","1") = "9"
    & skf18("5","2","9","10","3","3","1") = "9"
    & skf18("5","2","9","10","3","4","1") = "9"
    & skf18("5","2","9","10","3","5","1") = "9"
    & skf18("5","2","9","10","3","6","1") = "9"
    & skf18("5","2","9","10","3","7","1") = "9"
    & skf18("5","2","9","10","3","8","1") = "9"
    & skf18("5","2","9","10","3","9","1") = "9"
    & skf18("5","2","9","10","3","10","1") = "9"
    & skf18("5","2","9","10","4","1","1") = "9"
    & skf18("5","2","9","10","4","2","1") = "9"
    & skf18("5","2","9","10","4","3","1") = "9"
    & skf18("5","2","9","10","4","4","1") = "9"
    & skf18("5","2","9","10","4","5","1") = "9"
    & skf18("5","2","9","10","4","6","1") = "9"
    & skf18("5","2","9","10","4","7","1") = "9"
    & skf18("5","2","9","10","4","8","1") = "9"
    & skf18("5","2","9","10","4","9","1") = "9"
    & skf18("5","2","9","10","4","10","1") = "9"
    & skf18("5","2","9","10","5","1","1") = "9"
    & skf18("5","2","9","10","5","2","1") = "9"
    & skf18("5","2","9","10","5","3","1") = "9"
    & skf18("5","2","9","10","5","4","1") = "9"
    & skf18("5","2","9","10","5","5","1") = "9"
    & skf18("5","2","9","10","5","6","1") = "9"
    & skf18("5","2","9","10","5","7","1") = "9"
    & skf18("5","2","9","10","5","8","1") = "9"
    & skf18("5","2","9","10","5","9","1") = "9"
    & skf18("5","2","9","10","5","10","1") = "9"
    & skf18("5","2","9","10","6","1","1") = "9"
    & skf18("5","2","9","10","6","2","1") = "9"
    & skf18("5","2","9","10","6","3","1") = "9"
    & skf18("5","2","9","10","6","4","1") = "9"
    & skf18("5","2","9","10","6","5","1") = "9"
    & skf18("5","2","9","10","6","6","1") = "9"
    & skf18("5","2","9","10","6","7","1") = "9"
    & skf18("5","2","9","10","6","8","1") = "9"
    & skf18("5","2","9","10","6","9","1") = "9"
    & skf18("5","2","9","10","6","10","1") = "9"
    & skf18("5","2","9","10","7","1","1") = "9"
    & skf18("5","2","9","10","7","2","1") = "9"
    & skf18("5","2","9","10","7","3","1") = "9"
    & skf18("5","2","9","10","7","4","1") = "9"
    & skf18("5","2","9","10","7","5","1") = "9"
    & skf18("5","2","9","10","7","6","1") = "9"
    & skf18("5","2","9","10","7","7","1") = "9"
    & skf18("5","2","9","10","7","8","1") = "9"
    & skf18("5","2","9","10","7","9","1") = "9"
    & skf18("5","2","9","10","7","10","1") = "9"
    & skf18("5","2","9","10","8","1","1") = "9"
    & skf18("5","2","9","10","8","2","1") = "9"
    & skf18("5","2","9","10","8","3","1") = "9"
    & skf18("5","2","9","10","8","4","1") = "9"
    & skf18("5","2","9","10","8","5","1") = "9"
    & skf18("5","2","9","10","8","6","1") = "9"
    & skf18("5","2","9","10","8","7","1") = "9"
    & skf18("5","2","9","10","8","8","1") = "9"
    & skf18("5","2","9","10","8","9","1") = "9"
    & skf18("5","2","9","10","8","10","1") = "9"
    & skf18("5","2","9","10","9","1","1") = "9"
    & skf18("5","2","9","10","9","2","1") = "9"
    & skf18("5","2","9","10","9","3","1") = "9"
    & skf18("5","2","9","10","9","4","1") = "9"
    & skf18("5","2","9","10","9","5","1") = "9"
    & skf18("5","2","9","10","9","6","1") = "9"
    & skf18("5","2","9","10","9","7","1") = "9"
    & skf18("5","2","9","10","9","8","1") = "9"
    & skf18("5","2","9","10","9","9","1") = "9"
    & skf18("5","2","9","10","9","10","1") = "9"
    & skf18("5","2","9","10","10","1","1") = "9"
    & skf18("5","2","9","10","10","2","1") = "9"
    & skf18("5","2","9","10","10","3","1") = "9"
    & skf18("5","2","9","10","10","4","1") = "9"
    & skf18("5","2","9","10","10","5","1") = "9"
    & skf18("5","2","9","10","10","6","1") = "9"
    & skf18("5","2","9","10","10","7","1") = "9"
    & skf18("5","2","9","10","10","8","1") = "9"
    & skf18("5","2","9","10","10","9","1") = "9"
    & skf18("5","2","9","10","10","10","1") = "9"
    & skf18("5","2","10","1","1","1","1") = "9"
    & skf18("5","2","10","1","1","2","1") = "9"
    & skf18("5","2","10","1","1","3","1") = "9"
    & skf18("5","2","10","1","1","4","1") = "9"
    & skf18("5","2","10","1","1","5","1") = "9"
    & skf18("5","2","10","1","1","6","1") = "9"
    & skf18("5","2","10","1","1","7","1") = "9"
    & skf18("5","2","10","1","1","8","1") = "9"
    & skf18("5","2","10","1","1","9","1") = "9"
    & skf18("5","2","10","1","1","10","1") = "9"
    & skf18("5","2","10","1","2","1","1") = "9"
    & skf18("5","2","10","1","2","2","1") = "9"
    & skf18("5","2","10","1","2","3","1") = "9"
    & skf18("5","2","10","1","2","4","1") = "9"
    & skf18("5","2","10","1","2","5","1") = "9"
    & skf18("5","2","10","1","2","6","1") = "9"
    & skf18("5","2","10","1","2","7","1") = "9"
    & skf18("5","2","10","1","2","8","1") = "9"
    & skf18("5","2","10","1","2","9","1") = "9"
    & skf18("5","2","10","1","2","10","1") = "9"
    & skf18("5","2","10","1","3","1","1") = "9"
    & skf18("5","2","10","1","3","2","1") = "9"
    & skf18("5","2","10","1","3","3","1") = "9"
    & skf18("5","2","10","1","3","4","1") = "9"
    & skf18("5","2","10","1","3","5","1") = "9"
    & skf18("5","2","10","1","3","6","1") = "9"
    & skf18("5","2","10","1","3","7","1") = "9"
    & skf18("5","2","10","1","3","8","1") = "9"
    & skf18("5","2","10","1","3","9","1") = "9"
    & skf18("5","2","10","1","3","10","1") = "9"
    & skf18("5","2","10","1","4","1","1") = "9"
    & skf18("5","2","10","1","4","2","1") = "9"
    & skf18("5","2","10","1","4","3","1") = "9"
    & skf18("5","2","10","1","4","4","1") = "9"
    & skf18("5","2","10","1","4","5","1") = "9"
    & skf18("5","2","10","1","4","6","1") = "9"
    & skf18("5","2","10","1","4","7","1") = "9"
    & skf18("5","2","10","1","4","8","1") = "9"
    & skf18("5","2","10","1","4","9","1") = "9"
    & skf18("5","2","10","1","4","10","1") = "9"
    & skf18("5","2","10","1","5","1","1") = "9"
    & skf18("5","2","10","1","5","2","1") = "9"
    & skf18("5","2","10","1","5","3","1") = "9"
    & skf18("5","2","10","1","5","4","1") = "9"
    & skf18("5","2","10","1","5","5","1") = "9"
    & skf18("5","2","10","1","5","6","1") = "9"
    & skf18("5","2","10","1","5","7","1") = "9"
    & skf18("5","2","10","1","5","8","1") = "9"
    & skf18("5","2","10","1","5","9","1") = "9"
    & skf18("5","2","10","1","5","10","1") = "9"
    & skf18("5","2","10","1","6","1","1") = "9"
    & skf18("5","2","10","1","6","2","1") = "9"
    & skf18("5","2","10","1","6","3","1") = "9"
    & skf18("5","2","10","1","6","4","1") = "9"
    & skf18("5","2","10","1","6","5","1") = "9"
    & skf18("5","2","10","1","6","6","1") = "9"
    & skf18("5","2","10","1","6","7","1") = "9"
    & skf18("5","2","10","1","6","8","1") = "9"
    & skf18("5","2","10","1","6","9","1") = "9"
    & skf18("5","2","10","1","6","10","1") = "9"
    & skf18("5","2","10","1","7","1","1") = "9"
    & skf18("5","2","10","1","7","2","1") = "9"
    & skf18("5","2","10","1","7","3","1") = "9"
    & skf18("5","2","10","1","7","4","1") = "9"
    & skf18("5","2","10","1","7","5","1") = "9"
    & skf18("5","2","10","1","7","6","1") = "9"
    & skf18("5","2","10","1","7","7","1") = "9"
    & skf18("5","2","10","1","7","8","1") = "9"
    & skf18("5","2","10","1","7","9","1") = "9"
    & skf18("5","2","10","1","7","10","1") = "9"
    & skf18("5","2","10","1","8","1","1") = "9"
    & skf18("5","2","10","1","8","2","1") = "9"
    & skf18("5","2","10","1","8","3","1") = "9"
    & skf18("5","2","10","1","8","4","1") = "9"
    & skf18("5","2","10","1","8","5","1") = "9"
    & skf18("5","2","10","1","8","6","1") = "9"
    & skf18("5","2","10","1","8","7","1") = "9"
    & skf18("5","2","10","1","8","8","1") = "9"
    & skf18("5","2","10","1","8","9","1") = "9"
    & skf18("5","2","10","1","8","10","1") = "9"
    & skf18("5","2","10","1","9","1","1") = "9"
    & skf18("5","2","10","1","9","2","1") = "9"
    & skf18("5","2","10","1","9","3","1") = "9"
    & skf18("5","2","10","1","9","4","1") = "9"
    & skf18("5","2","10","1","9","5","1") = "9"
    & skf18("5","2","10","1","9","6","1") = "9"
    & skf18("5","2","10","1","9","7","1") = "9"
    & skf18("5","2","10","1","9","8","1") = "9"
    & skf18("5","2","10","1","9","9","1") = "9"
    & skf18("5","2","10","1","9","10","1") = "9"
    & skf18("5","2","10","1","10","1","1") = "9"
    & skf18("5","2","10","1","10","2","1") = "9"
    & skf18("5","2","10","1","10","3","1") = "9"
    & skf18("5","2","10","1","10","4","1") = "9"
    & skf18("5","2","10","1","10","5","1") = "9"
    & skf18("5","2","10","1","10","6","1") = "9"
    & skf18("5","2","10","1","10","7","1") = "9"
    & skf18("5","2","10","1","10","8","1") = "9"
    & skf18("5","2","10","1","10","9","1") = "9"
    & skf18("5","2","10","1","10","10","1") = "9"
    & skf18("5","2","10","2","1","1","1") = "9"
    & skf18("5","2","10","2","1","2","1") = "9"
    & skf18("5","2","10","2","1","3","1") = "9"
    & skf18("5","2","10","2","1","4","1") = "9"
    & skf18("5","2","10","2","1","5","1") = "9"
    & skf18("5","2","10","2","1","6","1") = "9"
    & skf18("5","2","10","2","1","7","1") = "9"
    & skf18("5","2","10","2","1","8","1") = "9"
    & skf18("5","2","10","2","1","9","1") = "9"
    & skf18("5","2","10","2","1","10","1") = "9"
    & skf18("5","2","10","2","2","1","1") = "9"
    & skf18("5","2","10","2","2","2","1") = "9"
    & skf18("5","2","10","2","2","3","1") = "9"
    & skf18("5","2","10","2","2","4","1") = "9"
    & skf18("5","2","10","2","2","5","1") = "9"
    & skf18("5","2","10","2","2","6","1") = "9"
    & skf18("5","2","10","2","2","7","1") = "9"
    & skf18("5","2","10","2","2","8","1") = "9"
    & skf18("5","2","10","2","2","9","1") = "9"
    & skf18("5","2","10","2","2","10","1") = "9"
    & skf18("5","2","10","2","3","1","1") = "9"
    & skf18("5","2","10","2","3","2","1") = "9"
    & skf18("5","2","10","2","3","3","1") = "9"
    & skf18("5","2","10","2","3","4","1") = "9"
    & skf18("5","2","10","2","3","5","1") = "9"
    & skf18("5","2","10","2","3","6","1") = "9"
    & skf18("5","2","10","2","3","7","1") = "9"
    & skf18("5","2","10","2","3","8","1") = "9"
    & skf18("5","2","10","2","3","9","1") = "9"
    & skf18("5","2","10","2","3","10","1") = "9"
    & skf18("5","2","10","2","4","1","1") = "9"
    & skf18("5","2","10","2","4","2","1") = "9"
    & skf18("5","2","10","2","4","3","1") = "9"
    & skf18("5","2","10","2","4","4","1") = "9"
    & skf18("5","2","10","2","4","5","1") = "9"
    & skf18("5","2","10","2","4","6","1") = "9"
    & skf18("5","2","10","2","4","7","1") = "9"
    & skf18("5","2","10","2","4","8","1") = "9"
    & skf18("5","2","10","2","4","9","1") = "9"
    & skf18("5","2","10","2","4","10","1") = "9"
    & skf18("5","2","10","2","5","1","1") = "9"
    & skf18("5","2","10","2","5","2","1") = "9"
    & skf18("5","2","10","2","5","3","1") = "9"
    & skf18("5","2","10","2","5","4","1") = "9"
    & skf18("5","2","10","2","5","5","1") = "9"
    & skf18("5","2","10","2","5","6","1") = "9"
    & skf18("5","2","10","2","5","7","1") = "9"
    & skf18("5","2","10","2","5","8","1") = "9"
    & skf18("5","2","10","2","5","9","1") = "9"
    & skf18("5","2","10","2","5","10","1") = "9"
    & skf18("5","2","10","2","6","1","1") = "9"
    & skf18("5","2","10","2","6","2","1") = "9"
    & skf18("5","2","10","2","6","3","1") = "9"
    & skf18("5","2","10","2","6","4","1") = "9"
    & skf18("5","2","10","2","6","5","1") = "9"
    & skf18("5","2","10","2","6","6","1") = "9"
    & skf18("5","2","10","2","6","7","1") = "9"
    & skf18("5","2","10","2","6","8","1") = "9"
    & skf18("5","2","10","2","6","9","1") = "9"
    & skf18("5","2","10","2","6","10","1") = "9"
    & skf18("5","2","10","2","7","1","1") = "9"
    & skf18("5","2","10","2","7","2","1") = "9"
    & skf18("5","2","10","2","7","3","1") = "9"
    & skf18("5","2","10","2","7","4","1") = "9"
    & skf18("5","2","10","2","7","5","1") = "9"
    & skf18("5","2","10","2","7","6","1") = "9"
    & skf18("5","2","10","2","7","7","1") = "9"
    & skf18("5","2","10","2","7","8","1") = "9"
    & skf18("5","2","10","2","7","9","1") = "9"
    & skf18("5","2","10","2","7","10","1") = "9"
    & skf18("5","2","10","2","8","1","1") = "9"
    & skf18("5","2","10","2","8","2","1") = "9"
    & skf18("5","2","10","2","8","3","1") = "9"
    & skf18("5","2","10","2","8","4","1") = "9"
    & skf18("5","2","10","2","8","5","1") = "9"
    & skf18("5","2","10","2","8","6","1") = "9"
    & skf18("5","2","10","2","8","7","1") = "9"
    & skf18("5","2","10","2","8","8","1") = "9"
    & skf18("5","2","10","2","8","9","1") = "9"
    & skf18("5","2","10","2","8","10","1") = "9"
    & skf18("5","2","10","2","9","1","1") = "9"
    & skf18("5","2","10","2","9","2","1") = "9"
    & skf18("5","2","10","2","9","3","1") = "9"
    & skf18("5","2","10","2","9","4","1") = "9"
    & skf18("5","2","10","2","9","5","1") = "9"
    & skf18("5","2","10","2","9","6","1") = "9"
    & skf18("5","2","10","2","9","7","1") = "9"
    & skf18("5","2","10","2","9","8","1") = "9"
    & skf18("5","2","10","2","9","9","1") = "9"
    & skf18("5","2","10","2","9","10","1") = "9"
    & skf18("5","2","10","2","10","1","1") = "9"
    & skf18("5","2","10","2","10","2","1") = "9"
    & skf18("5","2","10","2","10","3","1") = "9"
    & skf18("5","2","10","2","10","4","1") = "9"
    & skf18("5","2","10","2","10","5","1") = "9"
    & skf18("5","2","10","2","10","6","1") = "9"
    & skf18("5","2","10","2","10","7","1") = "9"
    & skf18("5","2","10","2","10","8","1") = "9"
    & skf18("5","2","10","2","10","9","1") = "9"
    & skf18("5","2","10","2","10","10","1") = "9"
    & skf18("5","2","10","3","1","1","1") = "9"
    & skf18("5","2","10","3","1","2","1") = "9"
    & skf18("5","2","10","3","1","3","1") = "9"
    & skf18("5","2","10","3","1","4","1") = "9"
    & skf18("5","2","10","3","1","5","1") = "9"
    & skf18("5","2","10","3","1","6","1") = "9"
    & skf18("5","2","10","3","1","7","1") = "9"
    & skf18("5","2","10","3","1","8","1") = "9"
    & skf18("5","2","10","3","1","9","1") = "9"
    & skf18("5","2","10","3","1","10","1") = "9"
    & skf18("5","2","10","3","2","1","1") = "9"
    & skf18("5","2","10","3","2","2","1") = "9"
    & skf18("5","2","10","3","2","3","1") = "9"
    & skf18("5","2","10","3","2","4","1") = "9"
    & skf18("5","2","10","3","2","5","1") = "9"
    & skf18("5","2","10","3","2","6","1") = "9"
    & skf18("5","2","10","3","2","7","1") = "9"
    & skf18("5","2","10","3","2","8","1") = "9"
    & skf18("5","2","10","3","2","9","1") = "9"
    & skf18("5","2","10","3","2","10","1") = "9"
    & skf18("5","2","10","3","3","1","1") = "9"
    & skf18("5","2","10","3","3","2","1") = "9"
    & skf18("5","2","10","3","3","3","1") = "9"
    & skf18("5","2","10","3","3","4","1") = "9"
    & skf18("5","2","10","3","3","5","1") = "9"
    & skf18("5","2","10","3","3","6","1") = "9"
    & skf18("5","2","10","3","3","7","1") = "9"
    & skf18("5","2","10","3","3","8","1") = "9"
    & skf18("5","2","10","3","3","9","1") = "9"
    & skf18("5","2","10","3","3","10","1") = "9"
    & skf18("5","2","10","3","4","1","1") = "9"
    & skf18("5","2","10","3","4","2","1") = "9"
    & skf18("5","2","10","3","4","3","1") = "9"
    & skf18("5","2","10","3","4","4","1") = "9"
    & skf18("5","2","10","3","4","5","1") = "9"
    & skf18("5","2","10","3","4","6","1") = "9"
    & skf18("5","2","10","3","4","7","1") = "9"
    & skf18("5","2","10","3","4","8","1") = "9"
    & skf18("5","2","10","3","4","9","1") = "9"
    & skf18("5","2","10","3","4","10","1") = "9"
    & skf18("5","2","10","3","5","1","1") = "9"
    & skf18("5","2","10","3","5","2","1") = "9"
    & skf18("5","2","10","3","5","3","1") = "9"
    & skf18("5","2","10","3","5","4","1") = "9"
    & skf18("5","2","10","3","5","5","1") = "9"
    & skf18("5","2","10","3","5","6","1") = "9"
    & skf18("5","2","10","3","5","7","1") = "9"
    & skf18("5","2","10","3","5","8","1") = "9"
    & skf18("5","2","10","3","5","9","1") = "9"
    & skf18("5","2","10","3","5","10","1") = "9"
    & skf18("5","2","10","3","6","1","1") = "9"
    & skf18("5","2","10","3","6","2","1") = "9"
    & skf18("5","2","10","3","6","3","1") = "9"
    & skf18("5","2","10","3","6","4","1") = "9"
    & skf18("5","2","10","3","6","5","1") = "9"
    & skf18("5","2","10","3","6","6","1") = "9"
    & skf18("5","2","10","3","6","7","1") = "9"
    & skf18("5","2","10","3","6","8","1") = "9"
    & skf18("5","2","10","3","6","9","1") = "9"
    & skf18("5","2","10","3","6","10","1") = "9"
    & skf18("5","2","10","3","7","1","1") = "9"
    & skf18("5","2","10","3","7","2","1") = "9"
    & skf18("5","2","10","3","7","3","1") = "9"
    & skf18("5","2","10","3","7","4","1") = "9"
    & skf18("5","2","10","3","7","5","1") = "9"
    & skf18("5","2","10","3","7","6","1") = "9"
    & skf18("5","2","10","3","7","7","1") = "9"
    & skf18("5","2","10","3","7","8","1") = "9"
    & skf18("5","2","10","3","7","9","1") = "9"
    & skf18("5","2","10","3","7","10","1") = "9"
    & skf18("5","2","10","3","8","1","1") = "9"
    & skf18("5","2","10","3","8","2","1") = "9"
    & skf18("5","2","10","3","8","3","1") = "9"
    & skf18("5","2","10","3","8","4","1") = "9"
    & skf18("5","2","10","3","8","5","1") = "9"
    & skf18("5","2","10","3","8","6","1") = "9"
    & skf18("5","2","10","3","8","7","1") = "9"
    & skf18("5","2","10","3","8","8","1") = "9"
    & skf18("5","2","10","3","8","9","1") = "9"
    & skf18("5","2","10","3","8","10","1") = "9"
    & skf18("5","2","10","3","9","1","1") = "9"
    & skf18("5","2","10","3","9","2","1") = "9"
    & skf18("5","2","10","3","9","3","1") = "9"
    & skf18("5","2","10","3","9","4","1") = "9"
    & skf18("5","2","10","3","9","5","1") = "9"
    & skf18("5","2","10","3","9","6","1") = "9"
    & skf18("5","2","10","3","9","7","1") = "9"
    & skf18("5","2","10","3","9","8","1") = "9"
    & skf18("5","2","10","3","9","9","1") = "9"
    & skf18("5","2","10","3","9","10","1") = "9"
    & skf18("5","2","10","3","10","1","1") = "9"
    & skf18("5","2","10","3","10","2","1") = "9"
    & skf18("5","2","10","3","10","3","1") = "9"
    & skf18("5","2","10","3","10","4","1") = "9"
    & skf18("5","2","10","3","10","5","1") = "9"
    & skf18("5","2","10","3","10","6","1") = "9"
    & skf18("5","2","10","3","10","7","1") = "9"
    & skf18("5","2","10","3","10","8","1") = "9"
    & skf18("5","2","10","3","10","9","1") = "9"
    & skf18("5","2","10","3","10","10","1") = "9"
    & skf18("5","2","10","4","1","1","1") = "9"
    & skf18("5","2","10","4","1","2","1") = "9"
    & skf18("5","2","10","4","1","3","1") = "9"
    & skf18("5","2","10","4","1","4","1") = "9"
    & skf18("5","2","10","4","1","5","1") = "9"
    & skf18("5","2","10","4","1","6","1") = "9"
    & skf18("5","2","10","4","1","7","1") = "9"
    & skf18("5","2","10","4","1","8","1") = "9"
    & skf18("5","2","10","4","1","9","1") = "9"
    & skf18("5","2","10","4","1","10","1") = "9"
    & skf18("5","2","10","4","2","1","1") = "9"
    & skf18("5","2","10","4","2","2","1") = "9"
    & skf18("5","2","10","4","2","3","1") = "9"
    & skf18("5","2","10","4","2","4","1") = "9"
    & skf18("5","2","10","4","2","5","1") = "9"
    & skf18("5","2","10","4","2","6","1") = "9"
    & skf18("5","2","10","4","2","7","1") = "9"
    & skf18("5","2","10","4","2","8","1") = "9"
    & skf18("5","2","10","4","2","9","1") = "9"
    & skf18("5","2","10","4","2","10","1") = "9"
    & skf18("5","2","10","4","3","1","1") = "9"
    & skf18("5","2","10","4","3","2","1") = "9"
    & skf18("5","2","10","4","3","3","1") = "9"
    & skf18("5","2","10","4","3","4","1") = "9"
    & skf18("5","2","10","4","3","5","1") = "9"
    & skf18("5","2","10","4","3","6","1") = "9"
    & skf18("5","2","10","4","3","7","1") = "9"
    & skf18("5","2","10","4","3","8","1") = "9"
    & skf18("5","2","10","4","3","9","1") = "9"
    & skf18("5","2","10","4","3","10","1") = "9"
    & skf18("5","2","10","4","4","1","1") = "9"
    & skf18("5","2","10","4","4","2","1") = "9"
    & skf18("5","2","10","4","4","3","1") = "9"
    & skf18("5","2","10","4","4","4","1") = "9"
    & skf18("5","2","10","4","4","5","1") = "9"
    & skf18("5","2","10","4","4","6","1") = "9"
    & skf18("5","2","10","4","4","7","1") = "9"
    & skf18("5","2","10","4","4","8","1") = "9"
    & skf18("5","2","10","4","4","9","1") = "9"
    & skf18("5","2","10","4","4","10","1") = "9"
    & skf18("5","2","10","4","5","1","1") = "9"
    & skf18("5","2","10","4","5","2","1") = "9"
    & skf18("5","2","10","4","5","3","1") = "9"
    & skf18("5","2","10","4","5","4","1") = "9"
    & skf18("5","2","10","4","5","5","1") = "9"
    & skf18("5","2","10","4","5","6","1") = "9"
    & skf18("5","2","10","4","5","7","1") = "9"
    & skf18("5","2","10","4","5","8","1") = "9"
    & skf18("5","2","10","4","5","9","1") = "9"
    & skf18("5","2","10","4","5","10","1") = "9"
    & skf18("5","2","10","4","6","1","1") = "9"
    & skf18("5","2","10","4","6","2","1") = "9"
    & skf18("5","2","10","4","6","3","1") = "9"
    & skf18("5","2","10","4","6","4","1") = "9"
    & skf18("5","2","10","4","6","5","1") = "9"
    & skf18("5","2","10","4","6","6","1") = "9"
    & skf18("5","2","10","4","6","7","1") = "9"
    & skf18("5","2","10","4","6","8","1") = "9"
    & skf18("5","2","10","4","6","9","1") = "9"
    & skf18("5","2","10","4","6","10","1") = "9"
    & skf18("5","2","10","4","7","1","1") = "9"
    & skf18("5","2","10","4","7","2","1") = "9"
    & skf18("5","2","10","4","7","3","1") = "9"
    & skf18("5","2","10","4","7","4","1") = "9"
    & skf18("5","2","10","4","7","5","1") = "9"
    & skf18("5","2","10","4","7","6","1") = "9"
    & skf18("5","2","10","4","7","7","1") = "9"
    & skf18("5","2","10","4","7","8","1") = "9"
    & skf18("5","2","10","4","7","9","1") = "9"
    & skf18("5","2","10","4","7","10","1") = "9"
    & skf18("5","2","10","4","8","1","1") = "9"
    & skf18("5","2","10","4","8","2","1") = "9"
    & skf18("5","2","10","4","8","3","1") = "9"
    & skf18("5","2","10","4","8","4","1") = "9"
    & skf18("5","2","10","4","8","5","1") = "9"
    & skf18("5","2","10","4","8","6","1") = "9"
    & skf18("5","2","10","4","8","7","1") = "9"
    & skf18("5","2","10","4","8","8","1") = "9"
    & skf18("5","2","10","4","8","9","1") = "9"
    & skf18("5","2","10","4","8","10","1") = "9"
    & skf18("5","2","10","4","9","1","1") = "9"
    & skf18("5","2","10","4","9","2","1") = "9"
    & skf18("5","2","10","4","9","3","1") = "9"
    & skf18("5","2","10","4","9","4","1") = "9"
    & skf18("5","2","10","4","9","5","1") = "9"
    & skf18("5","2","10","4","9","6","1") = "9"
    & skf18("5","2","10","4","9","7","1") = "9"
    & skf18("5","2","10","4","9","8","1") = "9"
    & skf18("5","2","10","4","9","9","1") = "9"
    & skf18("5","2","10","4","9","10","1") = "9"
    & skf18("5","2","10","4","10","1","1") = "9"
    & skf18("5","2","10","4","10","2","1") = "9"
    & skf18("5","2","10","4","10","3","1") = "9"
    & skf18("5","2","10","4","10","4","1") = "9"
    & skf18("5","2","10","4","10","5","1") = "9"
    & skf18("5","2","10","4","10","6","1") = "9"
    & skf18("5","2","10","4","10","7","1") = "9"
    & skf18("5","2","10","4","10","8","1") = "9"
    & skf18("5","2","10","4","10","9","1") = "9"
    & skf18("5","2","10","4","10","10","1") = "9"
    & skf18("5","2","10","5","1","1","1") = "9"
    & skf18("5","2","10","5","1","2","1") = "9"
    & skf18("5","2","10","5","1","3","1") = "9"
    & skf18("5","2","10","5","1","4","1") = "9"
    & skf18("5","2","10","5","1","5","1") = "9"
    & skf18("5","2","10","5","1","6","1") = "9"
    & skf18("5","2","10","5","1","7","1") = "9"
    & skf18("5","2","10","5","1","8","1") = "9"
    & skf18("5","2","10","5","1","9","1") = "9"
    & skf18("5","2","10","5","1","10","1") = "9"
    & skf18("5","2","10","5","2","1","1") = "9"
    & skf18("5","2","10","5","2","2","1") = "9"
    & skf18("5","2","10","5","2","3","1") = "9"
    & skf18("5","2","10","5","2","4","1") = "9"
    & skf18("5","2","10","5","2","5","1") = "9"
    & skf18("5","2","10","5","2","6","1") = "9"
    & skf18("5","2","10","5","2","7","1") = "9"
    & skf18("5","2","10","5","2","8","1") = "9"
    & skf18("5","2","10","5","2","9","1") = "9"
    & skf18("5","2","10","5","2","10","1") = "9"
    & skf18("5","2","10","5","3","1","1") = "9"
    & skf18("5","2","10","5","3","2","1") = "9"
    & skf18("5","2","10","5","3","3","1") = "9"
    & skf18("5","2","10","5","3","4","1") = "9"
    & skf18("5","2","10","5","3","5","1") = "9"
    & skf18("5","2","10","5","3","6","1") = "9"
    & skf18("5","2","10","5","3","7","1") = "9"
    & skf18("5","2","10","5","3","8","1") = "9"
    & skf18("5","2","10","5","3","9","1") = "9"
    & skf18("5","2","10","5","3","10","1") = "9"
    & skf18("5","2","10","5","4","1","1") = "9"
    & skf18("5","2","10","5","4","2","1") = "9"
    & skf18("5","2","10","5","4","3","1") = "9"
    & skf18("5","2","10","5","4","4","1") = "9"
    & skf18("5","2","10","5","4","5","1") = "9"
    & skf18("5","2","10","5","4","6","1") = "9"
    & skf18("5","2","10","5","4","7","1") = "9"
    & skf18("5","2","10","5","4","8","1") = "9"
    & skf18("5","2","10","5","4","9","1") = "9"
    & skf18("5","2","10","5","4","10","1") = "9"
    & skf18("5","2","10","5","5","1","1") = "9"
    & skf18("5","2","10","5","5","2","1") = "9"
    & skf18("5","2","10","5","5","3","1") = "9"
    & skf18("5","2","10","5","5","4","1") = "9"
    & skf18("5","2","10","5","5","5","1") = "9"
    & skf18("5","2","10","5","5","6","1") = "9"
    & skf18("5","2","10","5","5","7","1") = "9"
    & skf18("5","2","10","5","5","8","1") = "9"
    & skf18("5","2","10","5","5","9","1") = "9"
    & skf18("5","2","10","5","5","10","1") = "9"
    & skf18("5","2","10","5","6","1","1") = "9"
    & skf18("5","2","10","5","6","2","1") = "9"
    & skf18("5","2","10","5","6","3","1") = "9"
    & skf18("5","2","10","5","6","4","1") = "9"
    & skf18("5","2","10","5","6","5","1") = "9"
    & skf18("5","2","10","5","6","6","1") = "9"
    & skf18("5","2","10","5","6","7","1") = "9"
    & skf18("5","2","10","5","6","8","1") = "9"
    & skf18("5","2","10","5","6","9","1") = "9"
    & skf18("5","2","10","5","6","10","1") = "9"
    & skf18("5","2","10","5","7","1","1") = "9"
    & skf18("5","2","10","5","7","2","1") = "9"
    & skf18("5","2","10","5","7","3","1") = "9"
    & skf18("5","2","10","5","7","4","1") = "9"
    & skf18("5","2","10","5","7","5","1") = "9"
    & skf18("5","2","10","5","7","6","1") = "9"
    & skf18("5","2","10","5","7","7","1") = "9"
    & skf18("5","2","10","5","7","8","1") = "9"
    & skf18("5","2","10","5","7","9","1") = "9"
    & skf18("5","2","10","5","7","10","1") = "9"
    & skf18("5","2","10","5","8","1","1") = "9"
    & skf18("5","2","10","5","8","2","1") = "9"
    & skf18("5","2","10","5","8","3","1") = "9"
    & skf18("5","2","10","5","8","4","1") = "9"
    & skf18("5","2","10","5","8","5","1") = "9"
    & skf18("5","2","10","5","8","6","1") = "9"
    & skf18("5","2","10","5","8","7","1") = "9"
    & skf18("5","2","10","5","8","8","1") = "9"
    & skf18("5","2","10","5","8","9","1") = "9"
    & skf18("5","2","10","5","8","10","1") = "9"
    & skf18("5","2","10","5","9","1","1") = "9"
    & skf18("5","2","10","5","9","2","1") = "9"
    & skf18("5","2","10","5","9","3","1") = "9"
    & skf18("5","2","10","5","9","4","1") = "9"
    & skf18("5","2","10","5","9","5","1") = "9"
    & skf18("5","2","10","5","9","6","1") = "9"
    & skf18("5","2","10","5","9","7","1") = "9"
    & skf18("5","2","10","5","9","8","1") = "9"
    & skf18("5","2","10","5","9","9","1") = "9"
    & skf18("5","2","10","5","9","10","1") = "9"
    & skf18("5","2","10","5","10","1","1") = "9"
    & skf18("5","2","10","5","10","2","1") = "9"
    & skf18("5","2","10","5","10","3","1") = "9"
    & skf18("5","2","10","5","10","4","1") = "9"
    & skf18("5","2","10","5","10","5","1") = "9"
    & skf18("5","2","10","5","10","6","1") = "9"
    & skf18("5","2","10","5","10","7","1") = "9"
    & skf18("5","2","10","5","10","8","1") = "9"
    & skf18("5","2","10","5","10","9","1") = "9"
    & skf18("5","2","10","5","10","10","1") = "9"
    & skf18("5","2","10","6","1","1","1") = "9"
    & skf18("5","2","10","6","1","2","1") = "9"
    & skf18("5","2","10","6","1","3","1") = "9"
    & skf18("5","2","10","6","1","4","1") = "9"
    & skf18("5","2","10","6","1","5","1") = "9"
    & skf18("5","2","10","6","1","6","1") = "9"
    & skf18("5","2","10","6","1","7","1") = "9"
    & skf18("5","2","10","6","1","8","1") = "9"
    & skf18("5","2","10","6","1","9","1") = "9"
    & skf18("5","2","10","6","1","10","1") = "9"
    & skf18("5","2","10","6","2","1","1") = "9"
    & skf18("5","2","10","6","2","2","1") = "9"
    & skf18("5","2","10","6","2","3","1") = "9"
    & skf18("5","2","10","6","2","4","1") = "9"
    & skf18("5","2","10","6","2","5","1") = "9"
    & skf18("5","2","10","6","2","6","1") = "9"
    & skf18("5","2","10","6","2","7","1") = "9"
    & skf18("5","2","10","6","2","8","1") = "9"
    & skf18("5","2","10","6","2","9","1") = "9"
    & skf18("5","2","10","6","2","10","1") = "9"
    & skf18("5","2","10","6","3","1","1") = "9"
    & skf18("5","2","10","6","3","2","1") = "9"
    & skf18("5","2","10","6","3","3","1") = "9"
    & skf18("5","2","10","6","3","4","1") = "9"
    & skf18("5","2","10","6","3","5","1") = "9"
    & skf18("5","2","10","6","3","6","1") = "9"
    & skf18("5","2","10","6","3","7","1") = "9"
    & skf18("5","2","10","6","3","8","1") = "9"
    & skf18("5","2","10","6","3","9","1") = "9"
    & skf18("5","2","10","6","3","10","1") = "9"
    & skf18("5","2","10","6","4","1","1") = "9"
    & skf18("5","2","10","6","4","2","1") = "9"
    & skf18("5","2","10","6","4","3","1") = "9"
    & skf18("5","2","10","6","4","4","1") = "9"
    & skf18("5","2","10","6","4","5","1") = "9"
    & skf18("5","2","10","6","4","6","1") = "9"
    & skf18("5","2","10","6","4","7","1") = "9"
    & skf18("5","2","10","6","4","8","1") = "9"
    & skf18("5","2","10","6","4","9","1") = "9"
    & skf18("5","2","10","6","4","10","1") = "9"
    & skf18("5","2","10","6","5","1","1") = "9"
    & skf18("5","2","10","6","5","2","1") = "9"
    & skf18("5","2","10","6","5","3","1") = "9"
    & skf18("5","2","10","6","5","4","1") = "9"
    & skf18("5","2","10","6","5","5","1") = "9"
    & skf18("5","2","10","6","5","6","1") = "9"
    & skf18("5","2","10","6","5","7","1") = "9"
    & skf18("5","2","10","6","5","8","1") = "9"
    & skf18("5","2","10","6","5","9","1") = "9"
    & skf18("5","2","10","6","5","10","1") = "9"
    & skf18("5","2","10","6","6","1","1") = "9"
    & skf18("5","2","10","6","6","2","1") = "9"
    & skf18("5","2","10","6","6","3","1") = "9"
    & skf18("5","2","10","6","6","4","1") = "9"
    & skf18("5","2","10","6","6","5","1") = "9"
    & skf18("5","2","10","6","6","6","1") = "9"
    & skf18("5","2","10","6","6","7","1") = "9"
    & skf18("5","2","10","6","6","8","1") = "9"
    & skf18("5","2","10","6","6","9","1") = "9"
    & skf18("5","2","10","6","6","10","1") = "9"
    & skf18("5","2","10","6","7","1","1") = "9"
    & skf18("5","2","10","6","7","2","1") = "9"
    & skf18("5","2","10","6","7","3","1") = "9"
    & skf18("5","2","10","6","7","4","1") = "9"
    & skf18("5","2","10","6","7","5","1") = "9"
    & skf18("5","2","10","6","7","6","1") = "9"
    & skf18("5","2","10","6","7","7","1") = "9"
    & skf18("5","2","10","6","7","8","1") = "9"
    & skf18("5","2","10","6","7","9","1") = "9"
    & skf18("5","2","10","6","7","10","1") = "9"
    & skf18("5","2","10","6","8","1","1") = "9"
    & skf18("5","2","10","6","8","2","1") = "9"
    & skf18("5","2","10","6","8","3","1") = "9"
    & skf18("5","2","10","6","8","4","1") = "9"
    & skf18("5","2","10","6","8","5","1") = "9"
    & skf18("5","2","10","6","8","6","1") = "9"
    & skf18("5","2","10","6","8","7","1") = "9"
    & skf18("5","2","10","6","8","8","1") = "9"
    & skf18("5","2","10","6","8","9","1") = "9"
    & skf18("5","2","10","6","8","10","1") = "9"
    & skf18("5","2","10","6","9","1","1") = "9"
    & skf18("5","2","10","6","9","2","1") = "9"
    & skf18("5","2","10","6","9","3","1") = "9"
    & skf18("5","2","10","6","9","4","1") = "9"
    & skf18("5","2","10","6","9","5","1") = "9"
    & skf18("5","2","10","6","9","6","1") = "9"
    & skf18("5","2","10","6","9","7","1") = "9"
    & skf18("5","2","10","6","9","8","1") = "9"
    & skf18("5","2","10","6","9","9","1") = "9"
    & skf18("5","2","10","6","9","10","1") = "9"
    & skf18("5","2","10","6","10","1","1") = "9"
    & skf18("5","2","10","6","10","2","1") = "9"
    & skf18("5","2","10","6","10","3","1") = "9"
    & skf18("5","2","10","6","10","4","1") = "9"
    & skf18("5","2","10","6","10","5","1") = "9"
    & skf18("5","2","10","6","10","6","1") = "9"
    & skf18("5","2","10","6","10","7","1") = "9"
    & skf18("5","2","10","6","10","8","1") = "9"
    & skf18("5","2","10","6","10","9","1") = "9"
    & skf18("5","2","10","6","10","10","1") = "9"
    & skf18("5","2","10","7","1","1","1") = "9"
    & skf18("5","2","10","7","1","2","1") = "9"
    & skf18("5","2","10","7","1","3","1") = "9"
    & skf18("5","2","10","7","1","4","1") = "9"
    & skf18("5","2","10","7","1","5","1") = "9"
    & skf18("5","2","10","7","1","6","1") = "9"
    & skf18("5","2","10","7","1","7","1") = "9"
    & skf18("5","2","10","7","1","8","1") = "9"
    & skf18("5","2","10","7","1","9","1") = "9"
    & skf18("5","2","10","7","1","10","1") = "9"
    & skf18("5","2","10","7","2","1","1") = "9"
    & skf18("5","2","10","7","2","2","1") = "9"
    & skf18("5","2","10","7","2","3","1") = "9"
    & skf18("5","2","10","7","2","4","1") = "9"
    & skf18("5","2","10","7","2","5","1") = "9"
    & skf18("5","2","10","7","2","6","1") = "9"
    & skf18("5","2","10","7","2","7","1") = "9"
    & skf18("5","2","10","7","2","8","1") = "9"
    & skf18("5","2","10","7","2","9","1") = "9"
    & skf18("5","2","10","7","2","10","1") = "9"
    & skf18("5","2","10","7","3","1","1") = "9"
    & skf18("5","2","10","7","3","2","1") = "9"
    & skf18("5","2","10","7","3","3","1") = "9"
    & skf18("5","2","10","7","3","4","1") = "9"
    & skf18("5","2","10","7","3","5","1") = "9"
    & skf18("5","2","10","7","3","6","1") = "9"
    & skf18("5","2","10","7","3","7","1") = "9"
    & skf18("5","2","10","7","3","8","1") = "9"
    & skf18("5","2","10","7","3","9","1") = "9"
    & skf18("5","2","10","7","3","10","1") = "9"
    & skf18("5","2","10","7","4","1","1") = "9"
    & skf18("5","2","10","7","4","2","1") = "9"
    & skf18("5","2","10","7","4","3","1") = "9"
    & skf18("5","2","10","7","4","4","1") = "9"
    & skf18("5","2","10","7","4","5","1") = "9"
    & skf18("5","2","10","7","4","6","1") = "9"
    & skf18("5","2","10","7","4","7","1") = "9"
    & skf18("5","2","10","7","4","8","1") = "9"
    & skf18("5","2","10","7","4","9","1") = "9"
    & skf18("5","2","10","7","4","10","1") = "9"
    & skf18("5","2","10","7","5","1","1") = "9"
    & skf18("5","2","10","7","5","2","1") = "9"
    & skf18("5","2","10","7","5","3","1") = "9"
    & skf18("5","2","10","7","5","4","1") = "9"
    & skf18("5","2","10","7","5","5","1") = "9"
    & skf18("5","2","10","7","5","6","1") = "9"
    & skf18("5","2","10","7","5","7","1") = "9"
    & skf18("5","2","10","7","5","8","1") = "9"
    & skf18("5","2","10","7","5","9","1") = "9"
    & skf18("5","2","10","7","5","10","1") = "9"
    & skf18("5","2","10","7","6","1","1") = "9"
    & skf18("5","2","10","7","6","2","1") = "9"
    & skf18("5","2","10","7","6","3","1") = "9"
    & skf18("5","2","10","7","6","4","1") = "9"
    & skf18("5","2","10","7","6","5","1") = "9"
    & skf18("5","2","10","7","6","6","1") = "9"
    & skf18("5","2","10","7","6","7","1") = "9"
    & skf18("5","2","10","7","6","8","1") = "9"
    & skf18("5","2","10","7","6","9","1") = "9"
    & skf18("5","2","10","7","6","10","1") = "9"
    & skf18("5","2","10","7","7","1","1") = "9"
    & skf18("5","2","10","7","7","2","1") = "9"
    & skf18("5","2","10","7","7","3","1") = "9"
    & skf18("5","2","10","7","7","4","1") = "9"
    & skf18("5","2","10","7","7","5","1") = "9"
    & skf18("5","2","10","7","7","6","1") = "9"
    & skf18("5","2","10","7","7","7","1") = "9"
    & skf18("5","2","10","7","7","8","1") = "9"
    & skf18("5","2","10","7","7","9","1") = "9"
    & skf18("5","2","10","7","7","10","1") = "9"
    & skf18("5","2","10","7","8","1","1") = "9"
    & skf18("5","2","10","7","8","2","1") = "9"
    & skf18("5","2","10","7","8","3","1") = "9"
    & skf18("5","2","10","7","8","4","1") = "9"
    & skf18("5","2","10","7","8","5","1") = "9"
    & skf18("5","2","10","7","8","6","1") = "9"
    & skf18("5","2","10","7","8","7","1") = "9"
    & skf18("5","2","10","7","8","8","1") = "9"
    & skf18("5","2","10","7","8","9","1") = "9"
    & skf18("5","2","10","7","8","10","1") = "9"
    & skf18("5","2","10","7","9","1","1") = "9"
    & skf18("5","2","10","7","9","2","1") = "9"
    & skf18("5","2","10","7","9","3","1") = "9"
    & skf18("5","2","10","7","9","4","1") = "9"
    & skf18("5","2","10","7","9","5","1") = "9"
    & skf18("5","2","10","7","9","6","1") = "9"
    & skf18("5","2","10","7","9","7","1") = "9"
    & skf18("5","2","10","7","9","8","1") = "9"
    & skf18("5","2","10","7","9","9","1") = "9"
    & skf18("5","2","10","7","9","10","1") = "9"
    & skf18("5","2","10","7","10","1","1") = "9"
    & skf18("5","2","10","7","10","2","1") = "9"
    & skf18("5","2","10","7","10","3","1") = "9"
    & skf18("5","2","10","7","10","4","1") = "9"
    & skf18("5","2","10","7","10","5","1") = "9"
    & skf18("5","2","10","7","10","6","1") = "9"
    & skf18("5","2","10","7","10","7","1") = "9"
    & skf18("5","2","10","7","10","8","1") = "9"
    & skf18("5","2","10","7","10","9","1") = "9"
    & skf18("5","2","10","7","10","10","1") = "9"
    & skf18("5","2","10","8","1","1","1") = "9"
    & skf18("5","2","10","8","1","2","1") = "9"
    & skf18("5","2","10","8","1","3","1") = "9"
    & skf18("5","2","10","8","1","4","1") = "9"
    & skf18("5","2","10","8","1","5","1") = "9"
    & skf18("5","2","10","8","1","6","1") = "9"
    & skf18("5","2","10","8","1","7","1") = "9"
    & skf18("5","2","10","8","1","8","1") = "9"
    & skf18("5","2","10","8","1","9","1") = "9"
    & skf18("5","2","10","8","1","10","1") = "9"
    & skf18("5","2","10","8","2","1","1") = "9"
    & skf18("5","2","10","8","2","2","1") = "9"
    & skf18("5","2","10","8","2","3","1") = "9"
    & skf18("5","2","10","8","2","4","1") = "9"
    & skf18("5","2","10","8","2","5","1") = "9"
    & skf18("5","2","10","8","2","6","1") = "9"
    & skf18("5","2","10","8","2","7","1") = "9"
    & skf18("5","2","10","8","2","8","1") = "9"
    & skf18("5","2","10","8","2","9","1") = "9"
    & skf18("5","2","10","8","2","10","1") = "9"
    & skf18("5","2","10","8","3","1","1") = "9"
    & skf18("5","2","10","8","3","2","1") = "9"
    & skf18("5","2","10","8","3","3","1") = "9"
    & skf18("5","2","10","8","3","4","1") = "9"
    & skf18("5","2","10","8","3","5","1") = "9"
    & skf18("5","2","10","8","3","6","1") = "9"
    & skf18("5","2","10","8","3","7","1") = "9"
    & skf18("5","2","10","8","3","8","1") = "9"
    & skf18("5","2","10","8","3","9","1") = "9"
    & skf18("5","2","10","8","3","10","1") = "9"
    & skf18("5","2","10","8","4","1","1") = "9"
    & skf18("5","2","10","8","4","2","1") = "9"
    & skf18("5","2","10","8","4","3","1") = "9"
    & skf18("5","2","10","8","4","4","1") = "9"
    & skf18("5","2","10","8","4","5","1") = "9"
    & skf18("5","2","10","8","4","6","1") = "9"
    & skf18("5","2","10","8","4","7","1") = "9"
    & skf18("5","2","10","8","4","8","1") = "9"
    & skf18("5","2","10","8","4","9","1") = "9"
    & skf18("5","2","10","8","4","10","1") = "9"
    & skf18("5","2","10","8","5","1","1") = "9"
    & skf18("5","2","10","8","5","2","1") = "9"
    & skf18("5","2","10","8","5","3","1") = "9"
    & skf18("5","2","10","8","5","4","1") = "9"
    & skf18("5","2","10","8","5","5","1") = "9"
    & skf18("5","2","10","8","5","6","1") = "9"
    & skf18("5","2","10","8","5","7","1") = "9"
    & skf18("5","2","10","8","5","8","1") = "9"
    & skf18("5","2","10","8","5","9","1") = "9"
    & skf18("5","2","10","8","5","10","1") = "9"
    & skf18("5","2","10","8","6","1","1") = "9"
    & skf18("5","2","10","8","6","2","1") = "9"
    & skf18("5","2","10","8","6","3","1") = "9"
    & skf18("5","2","10","8","6","4","1") = "9"
    & skf18("5","2","10","8","6","5","1") = "9"
    & skf18("5","2","10","8","6","6","1") = "9"
    & skf18("5","2","10","8","6","7","1") = "9"
    & skf18("5","2","10","8","6","8","1") = "9"
    & skf18("5","2","10","8","6","9","1") = "9"
    & skf18("5","2","10","8","6","10","1") = "9"
    & skf18("5","2","10","8","7","1","1") = "9"
    & skf18("5","2","10","8","7","2","1") = "9"
    & skf18("5","2","10","8","7","3","1") = "9"
    & skf18("5","2","10","8","7","4","1") = "9"
    & skf18("5","2","10","8","7","5","1") = "9"
    & skf18("5","2","10","8","7","6","1") = "9"
    & skf18("5","2","10","8","7","7","1") = "9"
    & skf18("5","2","10","8","7","8","1") = "9"
    & skf18("5","2","10","8","7","9","1") = "9"
    & skf18("5","2","10","8","7","10","1") = "9"
    & skf18("5","2","10","8","8","1","1") = "9"
    & skf18("5","2","10","8","8","2","1") = "9"
    & skf18("5","2","10","8","8","3","1") = "9"
    & skf18("5","2","10","8","8","4","1") = "9"
    & skf18("5","2","10","8","8","5","1") = "9"
    & skf18("5","2","10","8","8","6","1") = "9"
    & skf18("5","2","10","8","8","7","1") = "9"
    & skf18("5","2","10","8","8","8","1") = "9"
    & skf18("5","2","10","8","8","9","1") = "9"
    & skf18("5","2","10","8","8","10","1") = "9"
    & skf18("5","2","10","8","9","1","1") = "9"
    & skf18("5","2","10","8","9","2","1") = "9"
    & skf18("5","2","10","8","9","3","1") = "9"
    & skf18("5","2","10","8","9","4","1") = "9"
    & skf18("5","2","10","8","9","5","1") = "9"
    & skf18("5","2","10","8","9","6","1") = "9"
    & skf18("5","2","10","8","9","7","1") = "9"
    & skf18("5","2","10","8","9","8","1") = "9"
    & skf18("5","2","10","8","9","9","1") = "9"
    & skf18("5","2","10","8","9","10","1") = "9"
    & skf18("5","2","10","8","10","1","1") = "9"
    & skf18("5","2","10","8","10","2","1") = "9"
    & skf18("5","2","10","8","10","3","1") = "9"
    & skf18("5","2","10","8","10","4","1") = "9"
    & skf18("5","2","10","8","10","5","1") = "9"
    & skf18("5","2","10","8","10","6","1") = "9"
    & skf18("5","2","10","8","10","7","1") = "9"
    & skf18("5","2","10","8","10","8","1") = "9"
    & skf18("5","2","10","8","10","9","1") = "9"
    & skf18("5","2","10","8","10","10","1") = "9"
    & skf18("5","2","10","9","1","1","1") = "9"
    & skf18("5","2","10","9","1","2","1") = "9"
    & skf18("5","2","10","9","1","3","1") = "9"
    & skf18("5","2","10","9","1","4","1") = "9"
    & skf18("5","2","10","9","1","5","1") = "9"
    & skf18("5","2","10","9","1","6","1") = "9"
    & skf18("5","2","10","9","1","7","1") = "9"
    & skf18("5","2","10","9","1","8","1") = "9"
    & skf18("5","2","10","9","1","9","1") = "9"
    & skf18("5","2","10","9","1","10","1") = "9"
    & skf18("5","2","10","9","2","1","1") = "9"
    & skf18("5","2","10","9","2","2","1") = "9"
    & skf18("5","2","10","9","2","3","1") = "9"
    & skf18("5","2","10","9","2","4","1") = "9"
    & skf18("5","2","10","9","2","5","1") = "9"
    & skf18("5","2","10","9","2","6","1") = "9"
    & skf18("5","2","10","9","2","7","1") = "9"
    & skf18("5","2","10","9","2","8","1") = "9"
    & skf18("5","2","10","9","2","9","1") = "9"
    & skf18("5","2","10","9","2","10","1") = "9"
    & skf18("5","2","10","9","3","1","1") = "9"
    & skf18("5","2","10","9","3","2","1") = "9"
    & skf18("5","2","10","9","3","3","1") = "9"
    & skf18("5","2","10","9","3","4","1") = "9"
    & skf18("5","2","10","9","3","5","1") = "9"
    & skf18("5","2","10","9","3","6","1") = "9"
    & skf18("5","2","10","9","3","7","1") = "9"
    & skf18("5","2","10","9","3","8","1") = "9"
    & skf18("5","2","10","9","3","9","1") = "9"
    & skf18("5","2","10","9","3","10","1") = "9"
    & skf18("5","2","10","9","4","1","1") = "9"
    & skf18("5","2","10","9","4","2","1") = "9"
    & skf18("5","2","10","9","4","3","1") = "9"
    & skf18("5","2","10","9","4","4","1") = "9"
    & skf18("5","2","10","9","4","5","1") = "9"
    & skf18("5","2","10","9","4","6","1") = "9"
    & skf18("5","2","10","9","4","7","1") = "9"
    & skf18("5","2","10","9","4","8","1") = "9"
    & skf18("5","2","10","9","4","9","1") = "9"
    & skf18("5","2","10","9","4","10","1") = "9"
    & skf18("5","2","10","9","5","1","1") = "9"
    & skf18("5","2","10","9","5","2","1") = "9"
    & skf18("5","2","10","9","5","3","1") = "9"
    & skf18("5","2","10","9","5","4","1") = "9"
    & skf18("5","2","10","9","5","5","1") = "9"
    & skf18("5","2","10","9","5","6","1") = "9"
    & skf18("5","2","10","9","5","7","1") = "9"
    & skf18("5","2","10","9","5","8","1") = "9"
    & skf18("5","2","10","9","5","9","1") = "9"
    & skf18("5","2","10","9","5","10","1") = "9"
    & skf18("5","2","10","9","6","1","1") = "9"
    & skf18("5","2","10","9","6","2","1") = "9"
    & skf18("5","2","10","9","6","3","1") = "9"
    & skf18("5","2","10","9","6","4","1") = "9"
    & skf18("5","2","10","9","6","5","1") = "9"
    & skf18("5","2","10","9","6","6","1") = "9"
    & skf18("5","2","10","9","6","7","1") = "9"
    & skf18("5","2","10","9","6","8","1") = "9"
    & skf18("5","2","10","9","6","9","1") = "9"
    & skf18("5","2","10","9","6","10","1") = "9"
    & skf18("5","2","10","9","7","1","1") = "9"
    & skf18("5","2","10","9","7","2","1") = "9"
    & skf18("5","2","10","9","7","3","1") = "9"
    & skf18("5","2","10","9","7","4","1") = "9"
    & skf18("5","2","10","9","7","5","1") = "9"
    & skf18("5","2","10","9","7","6","1") = "9"
    & skf18("5","2","10","9","7","7","1") = "9"
    & skf18("5","2","10","9","7","8","1") = "9"
    & skf18("5","2","10","9","7","9","1") = "9"
    & skf18("5","2","10","9","7","10","1") = "9"
    & skf18("5","2","10","9","8","1","1") = "9"
    & skf18("5","2","10","9","8","2","1") = "9"
    & skf18("5","2","10","9","8","3","1") = "9"
    & skf18("5","2","10","9","8","4","1") = "9"
    & skf18("5","2","10","9","8","5","1") = "9"
    & skf18("5","2","10","9","8","6","1") = "9"
    & skf18("5","2","10","9","8","7","1") = "9"
    & skf18("5","2","10","9","8","8","1") = "9"
    & skf18("5","2","10","9","8","9","1") = "9"
    & skf18("5","2","10","9","8","10","1") = "9"
    & skf18("5","2","10","9","9","1","1") = "9"
    & skf18("5","2","10","9","9","2","1") = "9"
    & skf18("5","2","10","9","9","3","1") = "9"
    & skf18("5","2","10","9","9","4","1") = "9"
    & skf18("5","2","10","9","9","5","1") = "9"
    & skf18("5","2","10","9","9","6","1") = "9"
    & skf18("5","2","10","9","9","7","1") = "9"
    & skf18("5","2","10","9","9","8","1") = "9"
    & skf18("5","2","10","9","9","9","1") = "9"
    & skf18("5","2","10","9","9","10","1") = "9"
    & skf18("5","2","10","9","10","1","1") = "9"
    & skf18("5","2","10","9","10","2","1") = "9"
    & skf18("5","2","10","9","10","3","1") = "9"
    & skf18("5","2","10","9","10","4","1") = "9"
    & skf18("5","2","10","9","10","5","1") = "9"
    & skf18("5","2","10","9","10","6","1") = "9"
    & skf18("5","2","10","9","10","7","1") = "9"
    & skf18("5","2","10","9","10","8","1") = "9"
    & skf18("5","2","10","9","10","9","1") = "9"
    & skf18("5","2","10","9","10","10","1") = "9"
    & skf18("5","2","10","10","1","1","1") = "9"
    & skf18("5","2","10","10","1","2","1") = "9"
    & skf18("5","2","10","10","1","3","1") = "9"
    & skf18("5","2","10","10","1","4","1") = "9"
    & skf18("5","2","10","10","1","5","1") = "9"
    & skf18("5","2","10","10","1","6","1") = "9"
    & skf18("5","2","10","10","1","7","1") = "9"
    & skf18("5","2","10","10","1","8","1") = "9"
    & skf18("5","2","10","10","1","9","1") = "9"
    & skf18("5","2","10","10","1","10","1") = "9"
    & skf18("5","2","10","10","2","1","1") = "9"
    & skf18("5","2","10","10","2","2","1") = "9"
    & skf18("5","2","10","10","2","3","1") = "9"
    & skf18("5","2","10","10","2","4","1") = "9"
    & skf18("5","2","10","10","2","5","1") = "9"
    & skf18("5","2","10","10","2","6","1") = "9"
    & skf18("5","2","10","10","2","7","1") = "9"
    & skf18("5","2","10","10","2","8","1") = "9"
    & skf18("5","2","10","10","2","9","1") = "9"
    & skf18("5","2","10","10","2","10","1") = "9"
    & skf18("5","2","10","10","3","1","1") = "9"
    & skf18("5","2","10","10","3","2","1") = "9"
    & skf18("5","2","10","10","3","3","1") = "9"
    & skf18("5","2","10","10","3","4","1") = "9"
    & skf18("5","2","10","10","3","5","1") = "9"
    & skf18("5","2","10","10","3","6","1") = "9"
    & skf18("5","2","10","10","3","7","1") = "9"
    & skf18("5","2","10","10","3","8","1") = "9"
    & skf18("5","2","10","10","3","9","1") = "9"
    & skf18("5","2","10","10","3","10","1") = "9"
    & skf18("5","2","10","10","4","1","1") = "9"
    & skf18("5","2","10","10","4","2","1") = "9"
    & skf18("5","2","10","10","4","3","1") = "9"
    & skf18("5","2","10","10","4","4","1") = "9"
    & skf18("5","2","10","10","4","5","1") = "9"
    & skf18("5","2","10","10","4","6","1") = "9"
    & skf18("5","2","10","10","4","7","1") = "9"
    & skf18("5","2","10","10","4","8","1") = "9"
    & skf18("5","2","10","10","4","9","1") = "9"
    & skf18("5","2","10","10","4","10","1") = "9"
    & skf18("5","2","10","10","5","1","1") = "9"
    & skf18("5","2","10","10","5","2","1") = "9"
    & skf18("5","2","10","10","5","3","1") = "9"
    & skf18("5","2","10","10","5","4","1") = "9"
    & skf18("5","2","10","10","5","5","1") = "9"
    & skf18("5","2","10","10","5","6","1") = "9"
    & skf18("5","2","10","10","5","7","1") = "9"
    & skf18("5","2","10","10","5","8","1") = "9"
    & skf18("5","2","10","10","5","9","1") = "9"
    & skf18("5","2","10","10","5","10","1") = "9"
    & skf18("5","2","10","10","6","1","1") = "9"
    & skf18("5","2","10","10","6","2","1") = "9"
    & skf18("5","2","10","10","6","3","1") = "9"
    & skf18("5","2","10","10","6","4","1") = "9"
    & skf18("5","2","10","10","6","5","1") = "9"
    & skf18("5","2","10","10","6","6","1") = "9"
    & skf18("5","2","10","10","6","7","1") = "9"
    & skf18("5","2","10","10","6","8","1") = "9"
    & skf18("5","2","10","10","6","9","1") = "9"
    & skf18("5","2","10","10","6","10","1") = "9"
    & skf18("5","2","10","10","7","1","1") = "9"
    & skf18("5","2","10","10","7","2","1") = "9"
    & skf18("5","2","10","10","7","3","1") = "9"
    & skf18("5","2","10","10","7","4","1") = "9"
    & skf18("5","2","10","10","7","5","1") = "9"
    & skf18("5","2","10","10","7","6","1") = "9"
    & skf18("5","2","10","10","7","7","1") = "9"
    & skf18("5","2","10","10","7","8","1") = "9"
    & skf18("5","2","10","10","7","9","1") = "9"
    & skf18("5","2","10","10","7","10","1") = "9"
    & skf18("5","2","10","10","8","1","1") = "9"
    & skf18("5","2","10","10","8","2","1") = "9"
    & skf18("5","2","10","10","8","3","1") = "9"
    & skf18("5","2","10","10","8","4","1") = "9"
    & skf18("5","2","10","10","8","5","1") = "9"
    & skf18("5","2","10","10","8","6","1") = "9"
    & skf18("5","2","10","10","8","7","1") = "9"
    & skf18("5","2","10","10","8","8","1") = "9"
    & skf18("5","2","10","10","8","9","1") = "9"
    & skf18("5","2","10","10","8","10","1") = "9"
    & skf18("5","2","10","10","9","1","1") = "9"
    & skf18("5","2","10","10","9","2","1") = "9"
    & skf18("5","2","10","10","9","3","1") = "9"
    & skf18("5","2","10","10","9","4","1") = "9"
    & skf18("5","2","10","10","9","5","1") = "9"
    & skf18("5","2","10","10","9","6","1") = "9"
    & skf18("5","2","10","10","9","7","1") = "9"
    & skf18("5","2","10","10","9","8","1") = "9"
    & skf18("5","2","10","10","9","9","1") = "9"
    & skf18("5","2","10","10","9","10","1") = "9"
    & skf18("5","2","10","10","10","1","1") = "9"
    & skf18("5","2","10","10","10","2","1") = "9"
    & skf18("5","2","10","10","10","3","1") = "9"
    & skf18("5","2","10","10","10","4","1") = "9"
    & skf18("5","2","10","10","10","5","1") = "9"
    & skf18("5","2","10","10","10","6","1") = "9"
    & skf18("5","2","10","10","10","7","1") = "9"
    & skf18("5","2","10","10","10","8","1") = "9"
    & skf18("5","2","10","10","10","9","1") = "9"
    & skf18("5","2","10","10","10","10","1") = "9"
    & skf18("5","3","1","1","1","1","1") = "4"
    & skf18("5","3","1","1","1","2","1") = "4"
    & skf18("5","3","1","1","1","3","1") = "4"
    & skf18("5","3","1","1","1","4","1") = "4"
    & skf18("5","3","1","1","1","5","1") = "4"
    & skf18("5","3","1","1","1","6","1") = "5"
    & skf18("5","3","1","1","1","7","1") = "6"
    & skf18("5","3","1","1","1","8","1") = "7"
    & skf18("5","3","1","1","1","9","1") = "8"
    & skf18("5","3","1","1","1","10","1") = "9"
    & skf18("5","3","1","1","2","1","1") = "4"
    & skf18("5","3","1","1","2","2","1") = "4"
    & skf18("5","3","1","1","2","3","1") = "4"
    & skf18("5","3","1","1","2","4","1") = "4"
    & skf18("5","3","1","1","2","5","1") = "4"
    & skf18("5","3","1","1","2","6","1") = "5"
    & skf18("5","3","1","1","2","7","1") = "6"
    & skf18("5","3","1","1","2","8","1") = "7"
    & skf18("5","3","1","1","2","9","1") = "8"
    & skf18("5","3","1","1","2","10","1") = "9"
    & skf18("5","3","1","1","3","1","1") = "4"
    & skf18("5","3","1","1","3","2","1") = "4"
    & skf18("5","3","1","1","3","3","1") = "4"
    & skf18("5","3","1","1","3","4","1") = "4"
    & skf18("5","3","1","1","3","5","1") = "4"
    & skf18("5","3","1","1","3","6","1") = "5"
    & skf18("5","3","1","1","3","7","1") = "6"
    & skf18("5","3","1","1","3","8","1") = "7"
    & skf18("5","3","1","1","3","9","1") = "8"
    & skf18("5","3","1","1","3","10","1") = "9"
    & skf18("5","3","1","1","4","1","1") = "4"
    & skf18("5","3","1","1","4","2","1") = "4"
    & skf18("5","3","1","1","4","3","1") = "4"
    & skf18("5","3","1","1","4","4","1") = "4"
    & skf18("5","3","1","1","4","5","1") = "4"
    & skf18("5","3","1","1","4","6","1") = "5"
    & skf18("5","3","1","1","4","7","1") = "6"
    & skf18("5","3","1","1","4","8","1") = "7"
    & skf18("5","3","1","1","4","9","1") = "8"
    & skf18("5","3","1","1","4","10","1") = "9"
    & skf18("5","3","1","1","5","1","1") = "4"
    & skf18("5","3","1","1","5","2","1") = "4"
    & skf18("5","3","1","1","5","3","1") = "4"
    & skf18("5","3","1","1","5","4","1") = "4"
    & skf18("5","3","1","1","5","5","1") = "4"
    & skf18("5","3","1","1","5","6","1") = "5"
    & skf18("5","3","1","1","5","7","1") = "6"
    & skf18("5","3","1","1","5","8","1") = "7"
    & skf18("5","3","1","1","5","9","1") = "8"
    & skf18("5","3","1","1","5","10","1") = "9"
    & skf18("5","3","1","1","6","1","1") = "5"
    & skf18("5","3","1","1","6","2","1") = "5"
    & skf18("5","3","1","1","6","3","1") = "5"
    & skf18("5","3","1","1","6","4","1") = "5"
    & skf18("5","3","1","1","6","5","1") = "5"
    & skf18("5","3","1","1","6","6","1") = "5"
    & skf18("5","3","1","1","6","7","1") = "6"
    & skf18("5","3","1","1","6","8","1") = "7"
    & skf18("5","3","1","1","6","9","1") = "8"
    & skf18("5","3","1","1","6","10","1") = "9"
    & skf18("5","3","1","1","7","1","1") = "6"
    & skf18("5","3","1","1","7","2","1") = "6"
    & skf18("5","3","1","1","7","3","1") = "6"
    & skf18("5","3","1","1","7","4","1") = "6"
    & skf18("5","3","1","1","7","5","1") = "6"
    & skf18("5","3","1","1","7","6","1") = "6"
    & skf18("5","3","1","1","7","7","1") = "6"
    & skf18("5","3","1","1","7","8","1") = "7"
    & skf18("5","3","1","1","7","9","1") = "8"
    & skf18("5","3","1","1","7","10","1") = "9"
    & skf18("5","3","1","1","8","1","1") = "7"
    & skf18("5","3","1","1","8","2","1") = "7"
    & skf18("5","3","1","1","8","3","1") = "7"
    & skf18("5","3","1","1","8","4","1") = "7"
    & skf18("5","3","1","1","8","5","1") = "7"
    & skf18("5","3","1","1","8","6","1") = "7"
    & skf18("5","3","1","1","8","7","1") = "7"
    & skf18("5","3","1","1","8","8","1") = "7"
    & skf18("5","3","1","1","8","9","1") = "8"
    & skf18("5","3","1","1","8","10","1") = "9"
    & skf18("5","3","1","1","9","1","1") = "8"
    & skf18("5","3","1","1","9","2","1") = "8"
    & skf18("5","3","1","1","9","3","1") = "8"
    & skf18("5","3","1","1","9","4","1") = "8"
    & skf18("5","3","1","1","9","5","1") = "8"
    & skf18("5","3","1","1","9","6","1") = "8"
    & skf18("5","3","1","1","9","7","1") = "8"
    & skf18("5","3","1","1","9","8","1") = "8"
    & skf18("5","3","1","1","9","9","1") = "8"
    & skf18("5","3","1","1","9","10","1") = "9"
    & skf18("5","3","1","1","10","1","1") = "9"
    & skf18("5","3","1","1","10","2","1") = "9"
    & skf18("5","3","1","1","10","3","1") = "9"
    & skf18("5","3","1","1","10","4","1") = "9"
    & skf18("5","3","1","1","10","5","1") = "9"
    & skf18("5","3","1","1","10","6","1") = "9"
    & skf18("5","3","1","1","10","7","1") = "9"
    & skf18("5","3","1","1","10","8","1") = "9"
    & skf18("5","3","1","1","10","9","1") = "9"
    & skf18("5","3","1","1","10","10","1") = "9"
    & skf18("5","3","1","2","1","1","1") = "4"
    & skf18("5","3","1","2","1","2","1") = "4"
    & skf18("5","3","1","2","1","3","1") = "4"
    & skf18("5","3","1","2","1","4","1") = "4"
    & skf18("5","3","1","2","1","5","1") = "4"
    & skf18("5","3","1","2","1","6","1") = "5"
    & skf18("5","3","1","2","1","7","1") = "6"
    & skf18("5","3","1","2","1","8","1") = "7"
    & skf18("5","3","1","2","1","9","1") = "8"
    & skf18("5","3","1","2","1","10","1") = "9"
    & skf18("5","3","1","2","2","1","1") = "4"
    & skf18("5","3","1","2","2","2","1") = "4"
    & skf18("5","3","1","2","2","3","1") = "4"
    & skf18("5","3","1","2","2","4","1") = "4"
    & skf18("5","3","1","2","2","5","1") = "4"
    & skf18("5","3","1","2","2","6","1") = "5"
    & skf18("5","3","1","2","2","7","1") = "6"
    & skf18("5","3","1","2","2","8","1") = "7"
    & skf18("5","3","1","2","2","9","1") = "8"
    & skf18("5","3","1","2","2","10","1") = "9"
    & skf18("5","3","1","2","3","1","1") = "4"
    & skf18("5","3","1","2","3","2","1") = "4"
    & skf18("5","3","1","2","3","3","1") = "4"
    & skf18("5","3","1","2","3","4","1") = "4"
    & skf18("5","3","1","2","3","5","1") = "4"
    & skf18("5","3","1","2","3","6","1") = "5"
    & skf18("5","3","1","2","3","7","1") = "6"
    & skf18("5","3","1","2","3","8","1") = "7"
    & skf18("5","3","1","2","3","9","1") = "8"
    & skf18("5","3","1","2","3","10","1") = "9"
    & skf18("5","3","1","2","4","1","1") = "4"
    & skf18("5","3","1","2","4","2","1") = "4"
    & skf18("5","3","1","2","4","3","1") = "4"
    & skf18("5","3","1","2","4","4","1") = "4"
    & skf18("5","3","1","2","4","5","1") = "4"
    & skf18("5","3","1","2","4","6","1") = "5"
    & skf18("5","3","1","2","4","7","1") = "6"
    & skf18("5","3","1","2","4","8","1") = "7"
    & skf18("5","3","1","2","4","9","1") = "8"
    & skf18("5","3","1","2","4","10","1") = "9"
    & skf18("5","3","1","2","5","1","1") = "4"
    & skf18("5","3","1","2","5","2","1") = "4"
    & skf18("5","3","1","2","5","3","1") = "4"
    & skf18("5","3","1","2","5","4","1") = "4"
    & skf18("5","3","1","2","5","5","1") = "4"
    & skf18("5","3","1","2","5","6","1") = "5"
    & skf18("5","3","1","2","5","7","1") = "6"
    & skf18("5","3","1","2","5","8","1") = "7"
    & skf18("5","3","1","2","5","9","1") = "8"
    & skf18("5","3","1","2","5","10","1") = "9"
    & skf18("5","3","1","2","6","1","1") = "5"
    & skf18("5","3","1","2","6","2","1") = "5"
    & skf18("5","3","1","2","6","3","1") = "5"
    & skf18("5","3","1","2","6","4","1") = "5"
    & skf18("5","3","1","2","6","5","1") = "5"
    & skf18("5","3","1","2","6","6","1") = "5"
    & skf18("5","3","1","2","6","7","1") = "6"
    & skf18("5","3","1","2","6","8","1") = "7"
    & skf18("5","3","1","2","6","9","1") = "8"
    & skf18("5","3","1","2","6","10","1") = "9"
    & skf18("5","3","1","2","7","1","1") = "6"
    & skf18("5","3","1","2","7","2","1") = "6"
    & skf18("5","3","1","2","7","3","1") = "6"
    & skf18("5","3","1","2","7","4","1") = "6"
    & skf18("5","3","1","2","7","5","1") = "6"
    & skf18("5","3","1","2","7","6","1") = "6"
    & skf18("5","3","1","2","7","7","1") = "6"
    & skf18("5","3","1","2","7","8","1") = "7"
    & skf18("5","3","1","2","7","9","1") = "8"
    & skf18("5","3","1","2","7","10","1") = "9"
    & skf18("5","3","1","2","8","1","1") = "7"
    & skf18("5","3","1","2","8","2","1") = "7"
    & skf18("5","3","1","2","8","3","1") = "7"
    & skf18("5","3","1","2","8","4","1") = "7"
    & skf18("5","3","1","2","8","5","1") = "7"
    & skf18("5","3","1","2","8","6","1") = "7"
    & skf18("5","3","1","2","8","7","1") = "7"
    & skf18("5","3","1","2","8","8","1") = "7"
    & skf18("5","3","1","2","8","9","1") = "8"
    & skf18("5","3","1","2","8","10","1") = "9"
    & skf18("5","3","1","2","9","1","1") = "8"
    & skf18("5","3","1","2","9","2","1") = "8"
    & skf18("5","3","1","2","9","3","1") = "8"
    & skf18("5","3","1","2","9","4","1") = "8"
    & skf18("5","3","1","2","9","5","1") = "8"
    & skf18("5","3","1","2","9","6","1") = "8"
    & skf18("5","3","1","2","9","7","1") = "8"
    & skf18("5","3","1","2","9","8","1") = "8"
    & skf18("5","3","1","2","9","9","1") = "8"
    & skf18("5","3","1","2","9","10","1") = "9"
    & skf18("5","3","1","2","10","1","1") = "9"
    & skf18("5","3","1","2","10","2","1") = "9"
    & skf18("5","3","1","2","10","3","1") = "9"
    & skf18("5","3","1","2","10","4","1") = "9"
    & skf18("5","3","1","2","10","5","1") = "9"
    & skf18("5","3","1","2","10","6","1") = "9"
    & skf18("5","3","1","2","10","7","1") = "9"
    & skf18("5","3","1","2","10","8","1") = "9"
    & skf18("5","3","1","2","10","9","1") = "9"
    & skf18("5","3","1","2","10","10","1") = "9"
    & skf18("5","3","1","3","1","1","1") = "4"
    & skf18("5","3","1","3","1","2","1") = "4"
    & skf18("5","3","1","3","1","3","1") = "4"
    & skf18("5","3","1","3","1","4","1") = "4"
    & skf18("5","3","1","3","1","5","1") = "4"
    & skf18("5","3","1","3","1","6","1") = "5"
    & skf18("5","3","1","3","1","7","1") = "6"
    & skf18("5","3","1","3","1","8","1") = "7"
    & skf18("5","3","1","3","1","9","1") = "8"
    & skf18("5","3","1","3","1","10","1") = "9"
    & skf18("5","3","1","3","2","1","1") = "4"
    & skf18("5","3","1","3","2","2","1") = "4"
    & skf18("5","3","1","3","2","3","1") = "4"
    & skf18("5","3","1","3","2","4","1") = "4"
    & skf18("5","3","1","3","2","5","1") = "4"
    & skf18("5","3","1","3","2","6","1") = "5"
    & skf18("5","3","1","3","2","7","1") = "6"
    & skf18("5","3","1","3","2","8","1") = "7"
    & skf18("5","3","1","3","2","9","1") = "8"
    & skf18("5","3","1","3","2","10","1") = "9"
    & skf18("5","3","1","3","3","1","1") = "4"
    & skf18("5","3","1","3","3","2","1") = "4"
    & skf18("5","3","1","3","3","3","1") = "4"
    & skf18("5","3","1","3","3","4","1") = "4"
    & skf18("5","3","1","3","3","5","1") = "4"
    & skf18("5","3","1","3","3","6","1") = "5"
    & skf18("5","3","1","3","3","7","1") = "6"
    & skf18("5","3","1","3","3","8","1") = "7"
    & skf18("5","3","1","3","3","9","1") = "8"
    & skf18("5","3","1","3","3","10","1") = "9"
    & skf18("5","3","1","3","4","1","1") = "4"
    & skf18("5","3","1","3","4","2","1") = "4"
    & skf18("5","3","1","3","4","3","1") = "4"
    & skf18("5","3","1","3","4","4","1") = "4"
    & skf18("5","3","1","3","4","5","1") = "4"
    & skf18("5","3","1","3","4","6","1") = "5"
    & skf18("5","3","1","3","4","7","1") = "6"
    & skf18("5","3","1","3","4","8","1") = "7"
    & skf18("5","3","1","3","4","9","1") = "8"
    & skf18("5","3","1","3","4","10","1") = "9"
    & skf18("5","3","1","3","5","1","1") = "4"
    & skf18("5","3","1","3","5","2","1") = "4"
    & skf18("5","3","1","3","5","3","1") = "4"
    & skf18("5","3","1","3","5","4","1") = "4"
    & skf18("5","3","1","3","5","5","1") = "4"
    & skf18("5","3","1","3","5","6","1") = "5"
    & skf18("5","3","1","3","5","7","1") = "6"
    & skf18("5","3","1","3","5","8","1") = "7"
    & skf18("5","3","1","3","5","9","1") = "8"
    & skf18("5","3","1","3","5","10","1") = "9"
    & skf18("5","3","1","3","6","1","1") = "5"
    & skf18("5","3","1","3","6","2","1") = "5"
    & skf18("5","3","1","3","6","3","1") = "5"
    & skf18("5","3","1","3","6","4","1") = "5"
    & skf18("5","3","1","3","6","5","1") = "5"
    & skf18("5","3","1","3","6","6","1") = "5"
    & skf18("5","3","1","3","6","7","1") = "6"
    & skf18("5","3","1","3","6","8","1") = "7"
    & skf18("5","3","1","3","6","9","1") = "8"
    & skf18("5","3","1","3","6","10","1") = "9"
    & skf18("5","3","1","3","7","1","1") = "6"
    & skf18("5","3","1","3","7","2","1") = "6"
    & skf18("5","3","1","3","7","3","1") = "6"
    & skf18("5","3","1","3","7","4","1") = "6"
    & skf18("5","3","1","3","7","5","1") = "6"
    & skf18("5","3","1","3","7","6","1") = "6"
    & skf18("5","3","1","3","7","7","1") = "6"
    & skf18("5","3","1","3","7","8","1") = "7"
    & skf18("5","3","1","3","7","9","1") = "8"
    & skf18("5","3","1","3","7","10","1") = "9"
    & skf18("5","3","1","3","8","1","1") = "7"
    & skf18("5","3","1","3","8","2","1") = "7"
    & skf18("5","3","1","3","8","3","1") = "7"
    & skf18("5","3","1","3","8","4","1") = "7"
    & skf18("5","3","1","3","8","5","1") = "7"
    & skf18("5","3","1","3","8","6","1") = "7"
    & skf18("5","3","1","3","8","7","1") = "7"
    & skf18("5","3","1","3","8","8","1") = "7"
    & skf18("5","3","1","3","8","9","1") = "8"
    & skf18("5","3","1","3","8","10","1") = "9"
    & skf18("5","3","1","3","9","1","1") = "8"
    & skf18("5","3","1","3","9","2","1") = "8"
    & skf18("5","3","1","3","9","3","1") = "8"
    & skf18("5","3","1","3","9","4","1") = "8"
    & skf18("5","3","1","3","9","5","1") = "8"
    & skf18("5","3","1","3","9","6","1") = "8"
    & skf18("5","3","1","3","9","7","1") = "8"
    & skf18("5","3","1","3","9","8","1") = "8"
    & skf18("5","3","1","3","9","9","1") = "8"
    & skf18("5","3","1","3","9","10","1") = "9"
    & skf18("5","3","1","3","10","1","1") = "9"
    & skf18("5","3","1","3","10","2","1") = "9"
    & skf18("5","3","1","3","10","3","1") = "9"
    & skf18("5","3","1","3","10","4","1") = "9"
    & skf18("5","3","1","3","10","5","1") = "9"
    & skf18("5","3","1","3","10","6","1") = "9"
    & skf18("5","3","1","3","10","7","1") = "9"
    & skf18("5","3","1","3","10","8","1") = "9"
    & skf18("5","3","1","3","10","9","1") = "9"
    & skf18("5","3","1","3","10","10","1") = "9"
    & skf18("5","3","1","4","1","1","1") = "4"
    & skf18("5","3","1","4","1","2","1") = "4"
    & skf18("5","3","1","4","1","3","1") = "4"
    & skf18("5","3","1","4","1","4","1") = "2"
    & skf18("5","3","1","4","1","5","1") = "2"
    & skf18("5","3","1","4","1","6","1") = "5"
    & skf18("5","3","1","4","1","7","1") = "6"
    & skf18("5","3","1","4","1","8","1") = "7"
    & skf18("5","3","1","4","1","9","1") = "8"
    & skf18("5","3","1","4","1","10","1") = "9"
    & skf18("5","3","1","4","2","1","1") = "2"
    & skf18("5","3","1","4","2","2","1") = "4"
    & skf18("5","3","1","4","2","3","1") = "4"
    & skf18("5","3","1","4","2","4","1") = "4"
    & skf18("5","3","1","4","2","5","1") = "4"
    & skf18("5","3","1","4","2","6","1") = "5"
    & skf18("5","3","1","4","2","7","1") = "6"
    & skf18("5","3","1","4","2","8","1") = "7"
    & skf18("5","3","1","4","2","9","1") = "8"
    & skf18("5","3","1","4","2","10","1") = "9"
    & skf18("5","3","1","4","3","1","1") = "4"
    & skf18("5","3","1","4","3","2","1") = "4"
    & skf18("5","3","1","4","3","3","1") = "4"
    & skf18("5","3","1","4","3","4","1") = "4"
    & skf18("5","3","1","4","3","5","1") = "4"
    & skf18("5","3","1","4","3","6","1") = "5"
    & skf18("5","3","1","4","3","7","1") = "6"
    & skf18("5","3","1","4","3","8","1") = "7"
    & skf18("5","3","1","4","3","9","1") = "8"
    & skf18("5","3","1","4","3","10","1") = "9"
    & skf18("5","3","1","4","4","1","1") = "4"
    & skf18("5","3","1","4","4","2","1") = "4"
    & skf18("5","3","1","4","4","3","1") = "4"
    & skf18("5","3","1","4","4","4","1") = "4"
    & skf18("5","3","1","4","4","5","1") = "4"
    & skf18("5","3","1","4","4","6","1") = "5"
    & skf18("5","3","1","4","4","7","1") = "6"
    & skf18("5","3","1","4","4","8","1") = "7"
    & skf18("5","3","1","4","4","9","1") = "8"
    & skf18("5","3","1","4","4","10","1") = "9"
    & skf18("5","3","1","4","5","1","1") = "4"
    & skf18("5","3","1","4","5","2","1") = "4"
    & skf18("5","3","1","4","5","3","1") = "4"
    & skf18("5","3","1","4","5","4","1") = "4"
    & skf18("5","3","1","4","5","5","1") = "4"
    & skf18("5","3","1","4","5","6","1") = "5"
    & skf18("5","3","1","4","5","7","1") = "6"
    & skf18("5","3","1","4","5","8","1") = "7"
    & skf18("5","3","1","4","5","9","1") = "8"
    & skf18("5","3","1","4","5","10","1") = "9"
    & skf18("5","3","1","4","6","1","1") = "5"
    & skf18("5","3","1","4","6","2","1") = "5"
    & skf18("5","3","1","4","6","3","1") = "5"
    & skf18("5","3","1","4","6","4","1") = "5"
    & skf18("5","3","1","4","6","5","1") = "5"
    & skf18("5","3","1","4","6","6","1") = "5"
    & skf18("5","3","1","4","6","7","1") = "6"
    & skf18("5","3","1","4","6","8","1") = "7"
    & skf18("5","3","1","4","6","9","1") = "8"
    & skf18("5","3","1","4","6","10","1") = "9"
    & skf18("5","3","1","4","7","1","1") = "6"
    & skf18("5","3","1","4","7","2","1") = "6"
    & skf18("5","3","1","4","7","3","1") = "6"
    & skf18("5","3","1","4","7","4","1") = "6"
    & skf18("5","3","1","4","7","5","1") = "6"
    & skf18("5","3","1","4","7","6","1") = "6"
    & skf18("5","3","1","4","7","7","1") = "6"
    & skf18("5","3","1","4","7","8","1") = "7"
    & skf18("5","3","1","4","7","9","1") = "8"
    & skf18("5","3","1","4","7","10","1") = "9"
    & skf18("5","3","1","4","8","1","1") = "7"
    & skf18("5","3","1","4","8","2","1") = "7"
    & skf18("5","3","1","4","8","3","1") = "7"
    & skf18("5","3","1","4","8","4","1") = "7"
    & skf18("5","3","1","4","8","5","1") = "7"
    & skf18("5","3","1","4","8","6","1") = "7"
    & skf18("5","3","1","4","8","7","1") = "7"
    & skf18("5","3","1","4","8","8","1") = "7"
    & skf18("5","3","1","4","8","9","1") = "8"
    & skf18("5","3","1","4","8","10","1") = "9"
    & skf18("5","3","1","4","9","1","1") = "8"
    & skf18("5","3","1","4","9","2","1") = "8"
    & skf18("5","3","1","4","9","3","1") = "8"
    & skf18("5","3","1","4","9","4","1") = "8"
    & skf18("5","3","1","4","9","5","1") = "8"
    & skf18("5","3","1","4","9","6","1") = "8"
    & skf18("5","3","1","4","9","7","1") = "8"
    & skf18("5","3","1","4","9","8","1") = "8"
    & skf18("5","3","1","4","9","9","1") = "8"
    & skf18("5","3","1","4","9","10","1") = "9"
    & skf18("5","3","1","4","10","1","1") = "9"
    & skf18("5","3","1","4","10","2","1") = "9"
    & skf18("5","3","1","4","10","3","1") = "9"
    & skf18("5","3","1","4","10","4","1") = "9"
    & skf18("5","3","1","4","10","5","1") = "9"
    & skf18("5","3","1","4","10","6","1") = "9"
    & skf18("5","3","1","4","10","7","1") = "9"
    & skf18("5","3","1","4","10","8","1") = "9"
    & skf18("5","3","1","4","10","9","1") = "9"
    & skf18("5","3","1","4","10","10","1") = "9"
    & skf18("5","3","1","5","1","1","1") = "4"
    & skf18("5","3","1","5","1","2","1") = "4"
    & skf18("5","3","1","5","1","3","1") = "4"
    & skf18("5","3","1","5","1","4","1") = "4"
    & skf18("5","3","1","5","1","5","1") = "4"
    & skf18("5","3","1","5","1","6","1") = "5"
    & skf18("5","3","1","5","1","7","1") = "6"
    & skf18("5","3","1","5","1","8","1") = "7"
    & skf18("5","3","1","5","1","9","1") = "8"
    & skf18("5","3","1","5","1","10","1") = "9"
    & skf18("5","3","1","5","2","1","1") = "4"
    & skf18("5","3","1","5","2","2","1") = "4"
    & skf18("5","3","1","5","2","3","1") = "4"
    & skf18("5","3","1","5","2","4","1") = "4"
    & skf18("5","3","1","5","2","5","1") = "4"
    & skf18("5","3","1","5","2","6","1") = "5"
    & skf18("5","3","1","5","2","7","1") = "6"
    & skf18("5","3","1","5","2","8","1") = "7"
    & skf18("5","3","1","5","2","9","1") = "8"
    & skf18("5","3","1","5","2","10","1") = "9"
    & skf18("5","3","1","5","3","1","1") = "4"
    & skf18("5","3","1","5","3","2","1") = "4"
    & skf18("5","3","1","5","3","3","1") = "4"
    & skf18("5","3","1","5","3","4","1") = "4"
    & skf18("5","3","1","5","3","5","1") = "4"
    & skf18("5","3","1","5","3","6","1") = "5"
    & skf18("5","3","1","5","3","7","1") = "6"
    & skf18("5","3","1","5","3","8","1") = "7"
    & skf18("5","3","1","5","3","9","1") = "8"
    & skf18("5","3","1","5","3","10","1") = "9"
    & skf18("5","3","1","5","4","1","1") = "4"
    & skf18("5","3","1","5","4","2","1") = "4"
    & skf18("5","3","1","5","4","3","1") = "4"
    & skf18("5","3","1","5","4","4","1") = "4"
    & skf18("5","3","1","5","4","5","1") = "4"
    & skf18("5","3","1","5","4","6","1") = "5"
    & skf18("5","3","1","5","4","7","1") = "6"
    & skf18("5","3","1","5","4","8","1") = "7"
    & skf18("5","3","1","5","4","9","1") = "8"
    & skf18("5","3","1","5","4","10","1") = "9"
    & skf18("5","3","1","5","5","1","1") = "4"
    & skf18("5","3","1","5","5","2","1") = "4"
    & skf18("5","3","1","5","5","3","1") = "4"
    & skf18("5","3","1","5","5","4","1") = "4"
    & skf18("5","3","1","5","5","5","1") = "4"
    & skf18("5","3","1","5","5","6","1") = "5"
    & skf18("5","3","1","5","5","7","1") = "6"
    & skf18("5","3","1","5","5","8","1") = "7"
    & skf18("5","3","1","5","5","9","1") = "8"
    & skf18("5","3","1","5","5","10","1") = "9"
    & skf18("5","3","1","5","6","1","1") = "5"
    & skf18("5","3","1","5","6","2","1") = "5"
    & skf18("5","3","1","5","6","3","1") = "5"
    & skf18("5","3","1","5","6","4","1") = "5"
    & skf18("5","3","1","5","6","5","1") = "5"
    & skf18("5","3","1","5","6","6","1") = "5"
    & skf18("5","3","1","5","6","7","1") = "6"
    & skf18("5","3","1","5","6","8","1") = "7"
    & skf18("5","3","1","5","6","9","1") = "8"
    & skf18("5","3","1","5","6","10","1") = "9"
    & skf18("5","3","1","5","7","1","1") = "6"
    & skf18("5","3","1","5","7","2","1") = "6"
    & skf18("5","3","1","5","7","3","1") = "6"
    & skf18("5","3","1","5","7","4","1") = "6"
    & skf18("5","3","1","5","7","5","1") = "6"
    & skf18("5","3","1","5","7","6","1") = "6"
    & skf18("5","3","1","5","7","7","1") = "6"
    & skf18("5","3","1","5","7","8","1") = "7"
    & skf18("5","3","1","5","7","9","1") = "8"
    & skf18("5","3","1","5","7","10","1") = "9"
    & skf18("5","3","1","5","8","1","1") = "7"
    & skf18("5","3","1","5","8","2","1") = "7"
    & skf18("5","3","1","5","8","3","1") = "7"
    & skf18("5","3","1","5","8","4","1") = "7"
    & skf18("5","3","1","5","8","5","1") = "7"
    & skf18("5","3","1","5","8","6","1") = "7"
    & skf18("5","3","1","5","8","7","1") = "7"
    & skf18("5","3","1","5","8","8","1") = "7"
    & skf18("5","3","1","5","8","9","1") = "8"
    & skf18("5","3","1","5","8","10","1") = "9"
    & skf18("5","3","1","5","9","1","1") = "8"
    & skf18("5","3","1","5","9","2","1") = "8"
    & skf18("5","3","1","5","9","3","1") = "8"
    & skf18("5","3","1","5","9","4","1") = "8"
    & skf18("5","3","1","5","9","5","1") = "8"
    & skf18("5","3","1","5","9","6","1") = "8"
    & skf18("5","3","1","5","9","7","1") = "8"
    & skf18("5","3","1","5","9","8","1") = "8"
    & skf18("5","3","1","5","9","9","1") = "8"
    & skf18("5","3","1","5","9","10","1") = "9"
    & skf18("5","3","1","5","10","1","1") = "9"
    & skf18("5","3","1","5","10","2","1") = "9"
    & skf18("5","3","1","5","10","3","1") = "9"
    & skf18("5","3","1","5","10","4","1") = "9"
    & skf18("5","3","1","5","10","5","1") = "9"
    & skf18("5","3","1","5","10","6","1") = "9"
    & skf18("5","3","1","5","10","7","1") = "9"
    & skf18("5","3","1","5","10","8","1") = "9"
    & skf18("5","3","1","5","10","9","1") = "9"
    & skf18("5","3","1","5","10","10","1") = "9"
    & skf18("5","3","1","6","1","1","1") = "5"
    & skf18("5","3","1","6","1","2","1") = "5"
    & skf18("5","3","1","6","1","3","1") = "5"
    & skf18("5","3","1","6","1","4","1") = "5"
    & skf18("5","3","1","6","1","5","1") = "5"
    & skf18("5","3","1","6","1","6","1") = "5"
    & skf18("5","3","1","6","1","7","1") = "6"
    & skf18("5","3","1","6","1","8","1") = "7"
    & skf18("5","3","1","6","1","9","1") = "8"
    & skf18("5","3","1","6","1","10","1") = "9"
    & skf18("5","3","1","6","2","1","1") = "5"
    & skf18("5","3","1","6","2","2","1") = "5"
    & skf18("5","3","1","6","2","3","1") = "5"
    & skf18("5","3","1","6","2","4","1") = "5"
    & skf18("5","3","1","6","2","5","1") = "5"
    & skf18("5","3","1","6","2","6","1") = "5"
    & skf18("5","3","1","6","2","7","1") = "6"
    & skf18("5","3","1","6","2","8","1") = "7"
    & skf18("5","3","1","6","2","9","1") = "8"
    & skf18("5","3","1","6","2","10","1") = "9"
    & skf18("5","3","1","6","3","1","1") = "5"
    & skf18("5","3","1","6","3","2","1") = "5"
    & skf18("5","3","1","6","3","3","1") = "5"
    & skf18("5","3","1","6","3","4","1") = "5"
    & skf18("5","3","1","6","3","5","1") = "5"
    & skf18("5","3","1","6","3","6","1") = "5"
    & skf18("5","3","1","6","3","7","1") = "6"
    & skf18("5","3","1","6","3","8","1") = "7"
    & skf18("5","3","1","6","3","9","1") = "8"
    & skf18("5","3","1","6","3","10","1") = "9"
    & skf18("5","3","1","6","4","1","1") = "5"
    & skf18("5","3","1","6","4","2","1") = "5"
    & skf18("5","3","1","6","4","3","1") = "5"
    & skf18("5","3","1","6","4","4","1") = "5"
    & skf18("5","3","1","6","4","5","1") = "5"
    & skf18("5","3","1","6","4","6","1") = "5"
    & skf18("5","3","1","6","4","7","1") = "6"
    & skf18("5","3","1","6","4","8","1") = "7"
    & skf18("5","3","1","6","4","9","1") = "8"
    & skf18("5","3","1","6","4","10","1") = "9"
    & skf18("5","3","1","6","5","1","1") = "5"
    & skf18("5","3","1","6","5","2","1") = "5"
    & skf18("5","3","1","6","5","3","1") = "5"
    & skf18("5","3","1","6","5","4","1") = "5"
    & skf18("5","3","1","6","5","5","1") = "5"
    & skf18("5","3","1","6","5","6","1") = "5"
    & skf18("5","3","1","6","5","7","1") = "6"
    & skf18("5","3","1","6","5","8","1") = "7"
    & skf18("5","3","1","6","5","9","1") = "8"
    & skf18("5","3","1","6","5","10","1") = "9"
    & skf18("5","3","1","6","6","1","1") = "5"
    & skf18("5","3","1","6","6","2","1") = "5"
    & skf18("5","3","1","6","6","3","1") = "5"
    & skf18("5","3","1","6","6","4","1") = "5"
    & skf18("5","3","1","6","6","5","1") = "5"
    & skf18("5","3","1","6","6","6","1") = "5"
    & skf18("5","3","1","6","6","7","1") = "6"
    & skf18("5","3","1","6","6","8","1") = "7"
    & skf18("5","3","1","6","6","9","1") = "8"
    & skf18("5","3","1","6","6","10","1") = "9"
    & skf18("5","3","1","6","7","1","1") = "6"
    & skf18("5","3","1","6","7","2","1") = "6"
    & skf18("5","3","1","6","7","3","1") = "6"
    & skf18("5","3","1","6","7","4","1") = "6"
    & skf18("5","3","1","6","7","5","1") = "6"
    & skf18("5","3","1","6","7","6","1") = "6"
    & skf18("5","3","1","6","7","7","1") = "6"
    & skf18("5","3","1","6","7","8","1") = "7"
    & skf18("5","3","1","6","7","9","1") = "8"
    & skf18("5","3","1","6","7","10","1") = "9"
    & skf18("5","3","1","6","8","1","1") = "7"
    & skf18("5","3","1","6","8","2","1") = "7"
    & skf18("5","3","1","6","8","3","1") = "7"
    & skf18("5","3","1","6","8","4","1") = "7"
    & skf18("5","3","1","6","8","5","1") = "7"
    & skf18("5","3","1","6","8","6","1") = "7"
    & skf18("5","3","1","6","8","7","1") = "7"
    & skf18("5","3","1","6","8","8","1") = "7"
    & skf18("5","3","1","6","8","9","1") = "8"
    & skf18("5","3","1","6","8","10","1") = "9"
    & skf18("5","3","1","6","9","1","1") = "8"
    & skf18("5","3","1","6","9","2","1") = "8"
    & skf18("5","3","1","6","9","3","1") = "8"
    & skf18("5","3","1","6","9","4","1") = "8"
    & skf18("5","3","1","6","9","5","1") = "8"
    & skf18("5","3","1","6","9","6","1") = "8"
    & skf18("5","3","1","6","9","7","1") = "8"
    & skf18("5","3","1","6","9","8","1") = "8"
    & skf18("5","3","1","6","9","9","1") = "8"
    & skf18("5","3","1","6","9","10","1") = "9"
    & skf18("5","3","1","6","10","1","1") = "9"
    & skf18("5","3","1","6","10","2","1") = "9"
    & skf18("5","3","1","6","10","3","1") = "9"
    & skf18("5","3","1","6","10","4","1") = "9"
    & skf18("5","3","1","6","10","5","1") = "9"
    & skf18("5","3","1","6","10","6","1") = "9"
    & skf18("5","3","1","6","10","7","1") = "9"
    & skf18("5","3","1","6","10","8","1") = "9"
    & skf18("5","3","1","6","10","9","1") = "9"
    & skf18("5","3","1","6","10","10","1") = "9"
    & skf18("5","3","1","7","1","1","1") = "6"
    & skf18("5","3","1","7","1","2","1") = "6"
    & skf18("5","3","1","7","1","3","1") = "6"
    & skf18("5","3","1","7","1","4","1") = "6"
    & skf18("5","3","1","7","1","5","1") = "6"
    & skf18("5","3","1","7","1","6","1") = "6"
    & skf18("5","3","1","7","1","7","1") = "6"
    & skf18("5","3","1","7","1","8","1") = "7"
    & skf18("5","3","1","7","1","9","1") = "8"
    & skf18("5","3","1","7","1","10","1") = "9"
    & skf18("5","3","1","7","2","1","1") = "6"
    & skf18("5","3","1","7","2","2","1") = "6"
    & skf18("5","3","1","7","2","3","1") = "6"
    & skf18("5","3","1","7","2","4","1") = "6"
    & skf18("5","3","1","7","2","5","1") = "6"
    & skf18("5","3","1","7","2","6","1") = "6"
    & skf18("5","3","1","7","2","7","1") = "6"
    & skf18("5","3","1","7","2","8","1") = "7"
    & skf18("5","3","1","7","2","9","1") = "8"
    & skf18("5","3","1","7","2","10","1") = "9"
    & skf18("5","3","1","7","3","1","1") = "6"
    & skf18("5","3","1","7","3","2","1") = "6"
    & skf18("5","3","1","7","3","3","1") = "6"
    & skf18("5","3","1","7","3","4","1") = "6"
    & skf18("5","3","1","7","3","5","1") = "6"
    & skf18("5","3","1","7","3","6","1") = "6"
    & skf18("5","3","1","7","3","7","1") = "6"
    & skf18("5","3","1","7","3","8","1") = "7"
    & skf18("5","3","1","7","3","9","1") = "8"
    & skf18("5","3","1","7","3","10","1") = "9"
    & skf18("5","3","1","7","4","1","1") = "6"
    & skf18("5","3","1","7","4","2","1") = "6"
    & skf18("5","3","1","7","4","3","1") = "6"
    & skf18("5","3","1","7","4","4","1") = "6"
    & skf18("5","3","1","7","4","5","1") = "6"
    & skf18("5","3","1","7","4","6","1") = "6"
    & skf18("5","3","1","7","4","7","1") = "6"
    & skf18("5","3","1","7","4","8","1") = "7"
    & skf18("5","3","1","7","4","9","1") = "8"
    & skf18("5","3","1","7","4","10","1") = "9"
    & skf18("5","3","1","7","5","1","1") = "6"
    & skf18("5","3","1","7","5","2","1") = "6"
    & skf18("5","3","1","7","5","3","1") = "6"
    & skf18("5","3","1","7","5","4","1") = "6"
    & skf18("5","3","1","7","5","5","1") = "6"
    & skf18("5","3","1","7","5","6","1") = "6"
    & skf18("5","3","1","7","5","7","1") = "6"
    & skf18("5","3","1","7","5","8","1") = "7"
    & skf18("5","3","1","7","5","9","1") = "8"
    & skf18("5","3","1","7","5","10","1") = "9"
    & skf18("5","3","1","7","6","1","1") = "6"
    & skf18("5","3","1","7","6","2","1") = "6"
    & skf18("5","3","1","7","6","3","1") = "6"
    & skf18("5","3","1","7","6","4","1") = "6"
    & skf18("5","3","1","7","6","5","1") = "6"
    & skf18("5","3","1","7","6","6","1") = "6"
    & skf18("5","3","1","7","6","7","1") = "6"
    & skf18("5","3","1","7","6","8","1") = "7"
    & skf18("5","3","1","7","6","9","1") = "8"
    & skf18("5","3","1","7","6","10","1") = "9"
    & skf18("5","3","1","7","7","1","1") = "6"
    & skf18("5","3","1","7","7","2","1") = "6"
    & skf18("5","3","1","7","7","3","1") = "6"
    & skf18("5","3","1","7","7","4","1") = "6"
    & skf18("5","3","1","7","7","5","1") = "6"
    & skf18("5","3","1","7","7","6","1") = "6"
    & skf18("5","3","1","7","7","7","1") = "6"
    & skf18("5","3","1","7","7","8","1") = "7"
    & skf18("5","3","1","7","7","9","1") = "8"
    & skf18("5","3","1","7","7","10","1") = "9"
    & skf18("5","3","1","7","8","1","1") = "7"
    & skf18("5","3","1","7","8","2","1") = "7"
    & skf18("5","3","1","7","8","3","1") = "7"
    & skf18("5","3","1","7","8","4","1") = "7"
    & skf18("5","3","1","7","8","5","1") = "7"
    & skf18("5","3","1","7","8","6","1") = "7"
    & skf18("5","3","1","7","8","7","1") = "7"
    & skf18("5","3","1","7","8","8","1") = "7"
    & skf18("5","3","1","7","8","9","1") = "8"
    & skf18("5","3","1","7","8","10","1") = "9"
    & skf18("5","3","1","7","9","1","1") = "8"
    & skf18("5","3","1","7","9","2","1") = "8"
    & skf18("5","3","1","7","9","3","1") = "8"
    & skf18("5","3","1","7","9","4","1") = "8"
    & skf18("5","3","1","7","9","5","1") = "8"
    & skf18("5","3","1","7","9","6","1") = "8"
    & skf18("5","3","1","7","9","7","1") = "8"
    & skf18("5","3","1","7","9","8","1") = "8"
    & skf18("5","3","1","7","9","9","1") = "8"
    & skf18("5","3","1","7","9","10","1") = "9"
    & skf18("5","3","1","7","10","1","1") = "9"
    & skf18("5","3","1","7","10","2","1") = "9"
    & skf18("5","3","1","7","10","3","1") = "9"
    & skf18("5","3","1","7","10","4","1") = "9"
    & skf18("5","3","1","7","10","5","1") = "9"
    & skf18("5","3","1","7","10","6","1") = "9"
    & skf18("5","3","1","7","10","7","1") = "9"
    & skf18("5","3","1","7","10","8","1") = "9"
    & skf18("5","3","1","7","10","9","1") = "9"
    & skf18("5","3","1","7","10","10","1") = "9"
    & skf18("5","3","1","8","1","1","1") = "7"
    & skf18("5","3","1","8","1","2","1") = "7"
    & skf18("5","3","1","8","1","3","1") = "7"
    & skf18("5","3","1","8","1","4","1") = "7"
    & skf18("5","3","1","8","1","5","1") = "7"
    & skf18("5","3","1","8","1","6","1") = "7"
    & skf18("5","3","1","8","1","7","1") = "7"
    & skf18("5","3","1","8","1","8","1") = "7"
    & skf18("5","3","1","8","1","9","1") = "8"
    & skf18("5","3","1","8","1","10","1") = "9"
    & skf18("5","3","1","8","2","1","1") = "7"
    & skf18("5","3","1","8","2","2","1") = "7"
    & skf18("5","3","1","8","2","3","1") = "7"
    & skf18("5","3","1","8","2","4","1") = "7"
    & skf18("5","3","1","8","2","5","1") = "7"
    & skf18("5","3","1","8","2","6","1") = "7"
    & skf18("5","3","1","8","2","7","1") = "7"
    & skf18("5","3","1","8","2","8","1") = "7"
    & skf18("5","3","1","8","2","9","1") = "8"
    & skf18("5","3","1","8","2","10","1") = "9"
    & skf18("5","3","1","8","3","1","1") = "7"
    & skf18("5","3","1","8","3","2","1") = "7"
    & skf18("5","3","1","8","3","3","1") = "7"
    & skf18("5","3","1","8","3","4","1") = "7"
    & skf18("5","3","1","8","3","5","1") = "7"
    & skf18("5","3","1","8","3","6","1") = "7"
    & skf18("5","3","1","8","3","7","1") = "7"
    & skf18("5","3","1","8","3","8","1") = "7"
    & skf18("5","3","1","8","3","9","1") = "8"
    & skf18("5","3","1","8","3","10","1") = "9"
    & skf18("5","3","1","8","4","1","1") = "7"
    & skf18("5","3","1","8","4","2","1") = "7"
    & skf18("5","3","1","8","4","3","1") = "7"
    & skf18("5","3","1","8","4","4","1") = "7"
    & skf18("5","3","1","8","4","5","1") = "7"
    & skf18("5","3","1","8","4","6","1") = "7"
    & skf18("5","3","1","8","4","7","1") = "7"
    & skf18("5","3","1","8","4","8","1") = "7"
    & skf18("5","3","1","8","4","9","1") = "8"
    & skf18("5","3","1","8","4","10","1") = "9"
    & skf18("5","3","1","8","5","1","1") = "7"
    & skf18("5","3","1","8","5","2","1") = "7"
    & skf18("5","3","1","8","5","3","1") = "7"
    & skf18("5","3","1","8","5","4","1") = "7"
    & skf18("5","3","1","8","5","5","1") = "7"
    & skf18("5","3","1","8","5","6","1") = "7"
    & skf18("5","3","1","8","5","7","1") = "7"
    & skf18("5","3","1","8","5","8","1") = "7"
    & skf18("5","3","1","8","5","9","1") = "8"
    & skf18("5","3","1","8","5","10","1") = "9"
    & skf18("5","3","1","8","6","1","1") = "7"
    & skf18("5","3","1","8","6","2","1") = "7"
    & skf18("5","3","1","8","6","3","1") = "7"
    & skf18("5","3","1","8","6","4","1") = "7"
    & skf18("5","3","1","8","6","5","1") = "7"
    & skf18("5","3","1","8","6","6","1") = "7"
    & skf18("5","3","1","8","6","7","1") = "7"
    & skf18("5","3","1","8","6","8","1") = "7"
    & skf18("5","3","1","8","6","9","1") = "8"
    & skf18("5","3","1","8","6","10","1") = "9"
    & skf18("5","3","1","8","7","1","1") = "7"
    & skf18("5","3","1","8","7","2","1") = "7"
    & skf18("5","3","1","8","7","3","1") = "7"
    & skf18("5","3","1","8","7","4","1") = "7"
    & skf18("5","3","1","8","7","5","1") = "7"
    & skf18("5","3","1","8","7","6","1") = "7"
    & skf18("5","3","1","8","7","7","1") = "7"
    & skf18("5","3","1","8","7","8","1") = "7"
    & skf18("5","3","1","8","7","9","1") = "8"
    & skf18("5","3","1","8","7","10","1") = "9"
    & skf18("5","3","1","8","8","1","1") = "7"
    & skf18("5","3","1","8","8","2","1") = "7"
    & skf18("5","3","1","8","8","3","1") = "7"
    & skf18("5","3","1","8","8","4","1") = "7"
    & skf18("5","3","1","8","8","5","1") = "7"
    & skf18("5","3","1","8","8","6","1") = "7"
    & skf18("5","3","1","8","8","7","1") = "7"
    & skf18("5","3","1","8","8","8","1") = "7"
    & skf18("5","3","1","8","8","9","1") = "8"
    & skf18("5","3","1","8","8","10","1") = "9"
    & skf18("5","3","1","8","9","1","1") = "8"
    & skf18("5","3","1","8","9","2","1") = "8"
    & skf18("5","3","1","8","9","3","1") = "8"
    & skf18("5","3","1","8","9","4","1") = "8"
    & skf18("5","3","1","8","9","5","1") = "8"
    & skf18("5","3","1","8","9","6","1") = "8"
    & skf18("5","3","1","8","9","7","1") = "8"
    & skf18("5","3","1","8","9","8","1") = "8"
    & skf18("5","3","1","8","9","9","1") = "8"
    & skf18("5","3","1","8","9","10","1") = "9"
    & skf18("5","3","1","8","10","1","1") = "9"
    & skf18("5","3","1","8","10","2","1") = "9"
    & skf18("5","3","1","8","10","3","1") = "9"
    & skf18("5","3","1","8","10","4","1") = "9"
    & skf18("5","3","1","8","10","5","1") = "9"
    & skf18("5","3","1","8","10","6","1") = "9"
    & skf18("5","3","1","8","10","7","1") = "9"
    & skf18("5","3","1","8","10","8","1") = "9"
    & skf18("5","3","1","8","10","9","1") = "9"
    & skf18("5","3","1","8","10","10","1") = "9"
    & skf18("5","3","1","9","1","1","1") = "8"
    & skf18("5","3","1","9","1","2","1") = "8"
    & skf18("5","3","1","9","1","3","1") = "8"
    & skf18("5","3","1","9","1","4","1") = "8"
    & skf18("5","3","1","9","1","5","1") = "8"
    & skf18("5","3","1","9","1","6","1") = "8"
    & skf18("5","3","1","9","1","7","1") = "8"
    & skf18("5","3","1","9","1","8","1") = "8"
    & skf18("5","3","1","9","1","9","1") = "8"
    & skf18("5","3","1","9","1","10","1") = "9"
    & skf18("5","3","1","9","2","1","1") = "8"
    & skf18("5","3","1","9","2","2","1") = "8"
    & skf18("5","3","1","9","2","3","1") = "8"
    & skf18("5","3","1","9","2","4","1") = "8"
    & skf18("5","3","1","9","2","5","1") = "8"
    & skf18("5","3","1","9","2","6","1") = "8"
    & skf18("5","3","1","9","2","7","1") = "8"
    & skf18("5","3","1","9","2","8","1") = "8"
    & skf18("5","3","1","9","2","9","1") = "8"
    & skf18("5","3","1","9","2","10","1") = "9"
    & skf18("5","3","1","9","3","1","1") = "8"
    & skf18("5","3","1","9","3","2","1") = "8"
    & skf18("5","3","1","9","3","3","1") = "8"
    & skf18("5","3","1","9","3","4","1") = "8"
    & skf18("5","3","1","9","3","5","1") = "8"
    & skf18("5","3","1","9","3","6","1") = "8"
    & skf18("5","3","1","9","3","7","1") = "8"
    & skf18("5","3","1","9","3","8","1") = "8"
    & skf18("5","3","1","9","3","9","1") = "8"
    & skf18("5","3","1","9","3","10","1") = "9"
    & skf18("5","3","1","9","4","1","1") = "8"
    & skf18("5","3","1","9","4","2","1") = "8"
    & skf18("5","3","1","9","4","3","1") = "8"
    & skf18("5","3","1","9","4","4","1") = "8"
    & skf18("5","3","1","9","4","5","1") = "8"
    & skf18("5","3","1","9","4","6","1") = "8"
    & skf18("5","3","1","9","4","7","1") = "8"
    & skf18("5","3","1","9","4","8","1") = "8"
    & skf18("5","3","1","9","4","9","1") = "8"
    & skf18("5","3","1","9","4","10","1") = "9"
    & skf18("5","3","1","9","5","1","1") = "8"
    & skf18("5","3","1","9","5","2","1") = "8"
    & skf18("5","3","1","9","5","3","1") = "8"
    & skf18("5","3","1","9","5","4","1") = "8"
    & skf18("5","3","1","9","5","5","1") = "8"
    & skf18("5","3","1","9","5","6","1") = "8"
    & skf18("5","3","1","9","5","7","1") = "8"
    & skf18("5","3","1","9","5","8","1") = "8"
    & skf18("5","3","1","9","5","9","1") = "8"
    & skf18("5","3","1","9","5","10","1") = "9"
    & skf18("5","3","1","9","6","1","1") = "8"
    & skf18("5","3","1","9","6","2","1") = "8"
    & skf18("5","3","1","9","6","3","1") = "8"
    & skf18("5","3","1","9","6","4","1") = "8"
    & skf18("5","3","1","9","6","5","1") = "8"
    & skf18("5","3","1","9","6","6","1") = "8"
    & skf18("5","3","1","9","6","7","1") = "8"
    & skf18("5","3","1","9","6","8","1") = "8"
    & skf18("5","3","1","9","6","9","1") = "8"
    & skf18("5","3","1","9","6","10","1") = "9"
    & skf18("5","3","1","9","7","1","1") = "8"
    & skf18("5","3","1","9","7","2","1") = "8"
    & skf18("5","3","1","9","7","3","1") = "8"
    & skf18("5","3","1","9","7","4","1") = "8"
    & skf18("5","3","1","9","7","5","1") = "8"
    & skf18("5","3","1","9","7","6","1") = "8"
    & skf18("5","3","1","9","7","7","1") = "8"
    & skf18("5","3","1","9","7","8","1") = "8"
    & skf18("5","3","1","9","7","9","1") = "8"
    & skf18("5","3","1","9","7","10","1") = "9"
    & skf18("5","3","1","9","8","1","1") = "8"
    & skf18("5","3","1","9","8","2","1") = "8"
    & skf18("5","3","1","9","8","3","1") = "8"
    & skf18("5","3","1","9","8","4","1") = "8"
    & skf18("5","3","1","9","8","5","1") = "8"
    & skf18("5","3","1","9","8","6","1") = "8"
    & skf18("5","3","1","9","8","7","1") = "8"
    & skf18("5","3","1","9","8","8","1") = "8"
    & skf18("5","3","1","9","8","9","1") = "8"
    & skf18("5","3","1","9","8","10","1") = "9"
    & skf18("5","3","1","9","9","1","1") = "8"
    & skf18("5","3","1","9","9","2","1") = "8"
    & skf18("5","3","1","9","9","3","1") = "8"
    & skf18("5","3","1","9","9","4","1") = "8"
    & skf18("5","3","1","9","9","5","1") = "8"
    & skf18("5","3","1","9","9","6","1") = "8"
    & skf18("5","3","1","9","9","7","1") = "8"
    & skf18("5","3","1","9","9","8","1") = "8"
    & skf18("5","3","1","9","9","9","1") = "8"
    & skf18("5","3","1","9","9","10","1") = "9"
    & skf18("5","3","1","9","10","1","1") = "9"
    & skf18("5","3","1","9","10","2","1") = "9"
    & skf18("5","3","1","9","10","3","1") = "9"
    & skf18("5","3","1","9","10","4","1") = "9"
    & skf18("5","3","1","9","10","5","1") = "9"
    & skf18("5","3","1","9","10","6","1") = "9"
    & skf18("5","3","1","9","10","7","1") = "9"
    & skf18("5","3","1","9","10","8","1") = "9"
    & skf18("5","3","1","9","10","9","1") = "9"
    & skf18("5","3","1","9","10","10","1") = "9"
    & skf18("5","3","1","10","1","1","1") = "9"
    & skf18("5","3","1","10","1","2","1") = "9"
    & skf18("5","3","1","10","1","3","1") = "9"
    & skf18("5","3","1","10","1","4","1") = "9"
    & skf18("5","3","1","10","1","5","1") = "9"
    & skf18("5","3","1","10","1","6","1") = "9"
    & skf18("5","3","1","10","1","7","1") = "9"
    & skf18("5","3","1","10","1","8","1") = "9"
    & skf18("5","3","1","10","1","9","1") = "9"
    & skf18("5","3","1","10","1","10","1") = "9"
    & skf18("5","3","1","10","2","1","1") = "9"
    & skf18("5","3","1","10","2","2","1") = "9"
    & skf18("5","3","1","10","2","3","1") = "9"
    & skf18("5","3","1","10","2","4","1") = "9"
    & skf18("5","3","1","10","2","5","1") = "9"
    & skf18("5","3","1","10","2","6","1") = "9"
    & skf18("5","3","1","10","2","7","1") = "9"
    & skf18("5","3","1","10","2","8","1") = "9"
    & skf18("5","3","1","10","2","9","1") = "9"
    & skf18("5","3","1","10","2","10","1") = "9"
    & skf18("5","3","1","10","3","1","1") = "9"
    & skf18("5","3","1","10","3","2","1") = "9"
    & skf18("5","3","1","10","3","3","1") = "9"
    & skf18("5","3","1","10","3","4","1") = "9"
    & skf18("5","3","1","10","3","5","1") = "9"
    & skf18("5","3","1","10","3","6","1") = "9"
    & skf18("5","3","1","10","3","7","1") = "9"
    & skf18("5","3","1","10","3","8","1") = "9"
    & skf18("5","3","1","10","3","9","1") = "9"
    & skf18("5","3","1","10","3","10","1") = "9"
    & skf18("5","3","1","10","4","1","1") = "9"
    & skf18("5","3","1","10","4","2","1") = "9"
    & skf18("5","3","1","10","4","3","1") = "9"
    & skf18("5","3","1","10","4","4","1") = "9"
    & skf18("5","3","1","10","4","5","1") = "9"
    & skf18("5","3","1","10","4","6","1") = "9"
    & skf18("5","3","1","10","4","7","1") = "9"
    & skf18("5","3","1","10","4","8","1") = "9"
    & skf18("5","3","1","10","4","9","1") = "9"
    & skf18("5","3","1","10","4","10","1") = "9"
    & skf18("5","3","1","10","5","1","1") = "9"
    & skf18("5","3","1","10","5","2","1") = "9"
    & skf18("5","3","1","10","5","3","1") = "9"
    & skf18("5","3","1","10","5","4","1") = "9"
    & skf18("5","3","1","10","5","5","1") = "9"
    & skf18("5","3","1","10","5","6","1") = "9"
    & skf18("5","3","1","10","5","7","1") = "9"
    & skf18("5","3","1","10","5","8","1") = "9"
    & skf18("5","3","1","10","5","9","1") = "9"
    & skf18("5","3","1","10","5","10","1") = "9"
    & skf18("5","3","1","10","6","1","1") = "9"
    & skf18("5","3","1","10","6","2","1") = "9"
    & skf18("5","3","1","10","6","3","1") = "9"
    & skf18("5","3","1","10","6","4","1") = "9"
    & skf18("5","3","1","10","6","5","1") = "9"
    & skf18("5","3","1","10","6","6","1") = "9"
    & skf18("5","3","1","10","6","7","1") = "9"
    & skf18("5","3","1","10","6","8","1") = "9"
    & skf18("5","3","1","10","6","9","1") = "9"
    & skf18("5","3","1","10","6","10","1") = "9"
    & skf18("5","3","1","10","7","1","1") = "9"
    & skf18("5","3","1","10","7","2","1") = "9"
    & skf18("5","3","1","10","7","3","1") = "9"
    & skf18("5","3","1","10","7","4","1") = "9"
    & skf18("5","3","1","10","7","5","1") = "9"
    & skf18("5","3","1","10","7","6","1") = "9"
    & skf18("5","3","1","10","7","7","1") = "9"
    & skf18("5","3","1","10","7","8","1") = "9"
    & skf18("5","3","1","10","7","9","1") = "9"
    & skf18("5","3","1","10","7","10","1") = "9"
    & skf18("5","3","1","10","8","1","1") = "9"
    & skf18("5","3","1","10","8","2","1") = "9"
    & skf18("5","3","1","10","8","3","1") = "9"
    & skf18("5","3","1","10","8","4","1") = "9"
    & skf18("5","3","1","10","8","5","1") = "9"
    & skf18("5","3","1","10","8","6","1") = "9"
    & skf18("5","3","1","10","8","7","1") = "9"
    & skf18("5","3","1","10","8","8","1") = "9"
    & skf18("5","3","1","10","8","9","1") = "9"
    & skf18("5","3","1","10","8","10","1") = "9"
    & skf18("5","3","1","10","9","1","1") = "9"
    & skf18("5","3","1","10","9","2","1") = "9"
    & skf18("5","3","1","10","9","3","1") = "9"
    & skf18("5","3","1","10","9","4","1") = "9"
    & skf18("5","3","1","10","9","5","1") = "9"
    & skf18("5","3","1","10","9","6","1") = "9"
    & skf18("5","3","1","10","9","7","1") = "9"
    & skf18("5","3","1","10","9","8","1") = "9"
    & skf18("5","3","1","10","9","9","1") = "9"
    & skf18("5","3","1","10","9","10","1") = "9"
    & skf18("5","3","1","10","10","1","1") = "9"
    & skf18("5","3","1","10","10","2","1") = "9"
    & skf18("5","3","1","10","10","3","1") = "9"
    & skf18("5","3","1","10","10","4","1") = "9"
    & skf18("5","3","1","10","10","5","1") = "9"
    & skf18("5","3","1","10","10","6","1") = "9"
    & skf18("5","3","1","10","10","7","1") = "9"
    & skf18("5","3","1","10","10","8","1") = "9"
    & skf18("5","3","1","10","10","9","1") = "9"
    & skf18("5","3","1","10","10","10","1") = "9"
    & skf18("5","3","2","1","1","1","1") = "4"
    & skf18("5","3","2","1","1","2","1") = "4"
    & skf18("5","3","2","1","1","3","1") = "4"
    & skf18("5","3","2","1","1","4","1") = "4"
    & skf18("5","3","2","1","1","5","1") = "4"
    & skf18("5","3","2","1","1","6","1") = "5"
    & skf18("5","3","2","1","1","7","1") = "6"
    & skf18("5","3","2","1","1","8","1") = "7"
    & skf18("5","3","2","1","1","9","1") = "8"
    & skf18("5","3","2","1","1","10","1") = "9"
    & skf18("5","3","2","1","2","1","1") = "4"
    & skf18("5","3","2","1","2","2","1") = "4"
    & skf18("5","3","2","1","2","3","1") = "4"
    & skf18("5","3","2","1","2","4","1") = "4"
    & skf18("5","3","2","1","2","5","1") = "4"
    & skf18("5","3","2","1","2","6","1") = "5"
    & skf18("5","3","2","1","2","7","1") = "6"
    & skf18("5","3","2","1","2","8","1") = "7"
    & skf18("5","3","2","1","2","9","1") = "8"
    & skf18("5","3","2","1","2","10","1") = "9"
    & skf18("5","3","2","1","3","1","1") = "4"
    & skf18("5","3","2","1","3","2","1") = "4"
    & skf18("5","3","2","1","3","3","1") = "4"
    & skf18("5","3","2","1","3","4","1") = "4"
    & skf18("5","3","2","1","3","5","1") = "4"
    & skf18("5","3","2","1","3","6","1") = "5"
    & skf18("5","3","2","1","3","7","1") = "6"
    & skf18("5","3","2","1","3","8","1") = "7"
    & skf18("5","3","2","1","3","9","1") = "8"
    & skf18("5","3","2","1","3","10","1") = "9"
    & skf18("5","3","2","1","4","1","1") = "4"
    & skf18("5","3","2","1","4","2","1") = "4"
    & skf18("5","3","2","1","4","3","1") = "4"
    & skf18("5","3","2","1","4","4","1") = "4"
    & skf18("5","3","2","1","4","5","1") = "4"
    & skf18("5","3","2","1","4","6","1") = "5"
    & skf18("5","3","2","1","4","7","1") = "6"
    & skf18("5","3","2","1","4","8","1") = "7"
    & skf18("5","3","2","1","4","9","1") = "8"
    & skf18("5","3","2","1","4","10","1") = "9"
    & skf18("5","3","2","1","5","1","1") = "4"
    & skf18("5","3","2","1","5","2","1") = "4"
    & skf18("5","3","2","1","5","3","1") = "4"
    & skf18("5","3","2","1","5","4","1") = "4"
    & skf18("5","3","2","1","5","5","1") = "4"
    & skf18("5","3","2","1","5","6","1") = "5"
    & skf18("5","3","2","1","5","7","1") = "6"
    & skf18("5","3","2","1","5","8","1") = "7"
    & skf18("5","3","2","1","5","9","1") = "8"
    & skf18("5","3","2","1","5","10","1") = "9"
    & skf18("5","3","2","1","6","1","1") = "5"
    & skf18("5","3","2","1","6","2","1") = "5"
    & skf18("5","3","2","1","6","3","1") = "5"
    & skf18("5","3","2","1","6","4","1") = "5"
    & skf18("5","3","2","1","6","5","1") = "5"
    & skf18("5","3","2","1","6","6","1") = "5"
    & skf18("5","3","2","1","6","7","1") = "6"
    & skf18("5","3","2","1","6","8","1") = "7"
    & skf18("5","3","2","1","6","9","1") = "8"
    & skf18("5","3","2","1","6","10","1") = "9"
    & skf18("5","3","2","1","7","1","1") = "6"
    & skf18("5","3","2","1","7","2","1") = "6"
    & skf18("5","3","2","1","7","3","1") = "6"
    & skf18("5","3","2","1","7","4","1") = "6"
    & skf18("5","3","2","1","7","5","1") = "6"
    & skf18("5","3","2","1","7","6","1") = "6"
    & skf18("5","3","2","1","7","7","1") = "6"
    & skf18("5","3","2","1","7","8","1") = "7"
    & skf18("5","3","2","1","7","9","1") = "8"
    & skf18("5","3","2","1","7","10","1") = "9"
    & skf18("5","3","2","1","8","1","1") = "7"
    & skf18("5","3","2","1","8","2","1") = "7"
    & skf18("5","3","2","1","8","3","1") = "7"
    & skf18("5","3","2","1","8","4","1") = "7"
    & skf18("5","3","2","1","8","5","1") = "7"
    & skf18("5","3","2","1","8","6","1") = "7"
    & skf18("5","3","2","1","8","7","1") = "7"
    & skf18("5","3","2","1","8","8","1") = "7"
    & skf18("5","3","2","1","8","9","1") = "8"
    & skf18("5","3","2","1","8","10","1") = "9"
    & skf18("5","3","2","1","9","1","1") = "8"
    & skf18("5","3","2","1","9","2","1") = "8"
    & skf18("5","3","2","1","9","3","1") = "8"
    & skf18("5","3","2","1","9","4","1") = "8"
    & skf18("5","3","2","1","9","5","1") = "8"
    & skf18("5","3","2","1","9","6","1") = "8"
    & skf18("5","3","2","1","9","7","1") = "8"
    & skf18("5","3","2","1","9","8","1") = "8"
    & skf18("5","3","2","1","9","9","1") = "8"
    & skf18("5","3","2","1","9","10","1") = "9"
    & skf18("5","3","2","1","10","1","1") = "9"
    & skf18("5","3","2","1","10","2","1") = "9"
    & skf18("5","3","2","1","10","3","1") = "9"
    & skf18("5","3","2","1","10","4","1") = "9"
    & skf18("5","3","2","1","10","5","1") = "9"
    & skf18("5","3","2","1","10","6","1") = "9"
    & skf18("5","3","2","1","10","7","1") = "9"
    & skf18("5","3","2","1","10","8","1") = "9"
    & skf18("5","3","2","1","10","9","1") = "9"
    & skf18("5","3","2","1","10","10","1") = "9"
    & skf18("5","3","2","2","1","1","1") = "4"
    & skf18("5","3","2","2","1","2","1") = "4"
    & skf18("5","3","2","2","1","3","1") = "4"
    & skf18("5","3","2","2","1","4","1") = "4"
    & skf18("5","3","2","2","1","5","1") = "4"
    & skf18("5","3","2","2","1","6","1") = "5"
    & skf18("5","3","2","2","1","7","1") = "6"
    & skf18("5","3","2","2","1","8","1") = "7"
    & skf18("5","3","2","2","1","9","1") = "8"
    & skf18("5","3","2","2","1","10","1") = "9"
    & skf18("5","3","2","2","2","1","1") = "4"
    & skf18("5","3","2","2","2","2","1") = "4"
    & skf18("5","3","2","2","2","3","1") = "4"
    & skf18("5","3","2","2","2","4","1") = "4"
    & skf18("5","3","2","2","2","5","1") = "4"
    & skf18("5","3","2","2","2","6","1") = "5"
    & skf18("5","3","2","2","2","7","1") = "6"
    & skf18("5","3","2","2","2","8","1") = "7"
    & skf18("5","3","2","2","2","9","1") = "8"
    & skf18("5","3","2","2","2","10","1") = "9"
    & skf18("5","3","2","2","3","1","1") = "4"
    & skf18("5","3","2","2","3","2","1") = "4"
    & skf18("5","3","2","2","3","3","1") = "4"
    & skf18("5","3","2","2","3","4","1") = "4"
    & skf18("5","3","2","2","3","5","1") = "4"
    & skf18("5","3","2","2","3","6","1") = "5"
    & skf18("5","3","2","2","3","7","1") = "6"
    & skf18("5","3","2","2","3","8","1") = "7"
    & skf18("5","3","2","2","3","9","1") = "8"
    & skf18("5","3","2","2","3","10","1") = "9"
    & skf18("5","3","2","2","4","1","1") = "4"
    & skf18("5","3","2","2","4","2","1") = "4"
    & skf18("5","3","2","2","4","3","1") = "4"
    & skf18("5","3","2","2","4","4","1") = "4"
    & skf18("5","3","2","2","4","5","1") = "4"
    & skf18("5","3","2","2","4","6","1") = "5"
    & skf18("5","3","2","2","4","7","1") = "6"
    & skf18("5","3","2","2","4","8","1") = "7"
    & skf18("5","3","2","2","4","9","1") = "8"
    & skf18("5","3","2","2","4","10","1") = "9"
    & skf18("5","3","2","2","5","1","1") = "4"
    & skf18("5","3","2","2","5","2","1") = "4"
    & skf18("5","3","2","2","5","3","1") = "4"
    & skf18("5","3","2","2","5","4","1") = "4"
    & skf18("5","3","2","2","5","5","1") = "4"
    & skf18("5","3","2","2","5","6","1") = "5"
    & skf18("5","3","2","2","5","7","1") = "6"
    & skf18("5","3","2","2","5","8","1") = "7"
    & skf18("5","3","2","2","5","9","1") = "8"
    & skf18("5","3","2","2","5","10","1") = "9"
    & skf18("5","3","2","2","6","1","1") = "5"
    & skf18("5","3","2","2","6","2","1") = "5"
    & skf18("5","3","2","2","6","3","1") = "5"
    & skf18("5","3","2","2","6","4","1") = "5"
    & skf18("5","3","2","2","6","5","1") = "5"
    & skf18("5","3","2","2","6","6","1") = "5"
    & skf18("5","3","2","2","6","7","1") = "6"
    & skf18("5","3","2","2","6","8","1") = "7"
    & skf18("5","3","2","2","6","9","1") = "8"
    & skf18("5","3","2","2","6","10","1") = "9"
    & skf18("5","3","2","2","7","1","1") = "6"
    & skf18("5","3","2","2","7","2","1") = "6"
    & skf18("5","3","2","2","7","3","1") = "6"
    & skf18("5","3","2","2","7","4","1") = "6"
    & skf18("5","3","2","2","7","5","1") = "6"
    & skf18("5","3","2","2","7","6","1") = "6"
    & skf18("5","3","2","2","7","7","1") = "6"
    & skf18("5","3","2","2","7","8","1") = "7"
    & skf18("5","3","2","2","7","9","1") = "8"
    & skf18("5","3","2","2","7","10","1") = "9"
    & skf18("5","3","2","2","8","1","1") = "7"
    & skf18("5","3","2","2","8","2","1") = "7"
    & skf18("5","3","2","2","8","3","1") = "7"
    & skf18("5","3","2","2","8","4","1") = "7"
    & skf18("5","3","2","2","8","5","1") = "7"
    & skf18("5","3","2","2","8","6","1") = "7"
    & skf18("5","3","2","2","8","7","1") = "7"
    & skf18("5","3","2","2","8","8","1") = "7"
    & skf18("5","3","2","2","8","9","1") = "8"
    & skf18("5","3","2","2","8","10","1") = "9"
    & skf18("5","3","2","2","9","1","1") = "8"
    & skf18("5","3","2","2","9","2","1") = "8"
    & skf18("5","3","2","2","9","3","1") = "8"
    & skf18("5","3","2","2","9","4","1") = "8"
    & skf18("5","3","2","2","9","5","1") = "8"
    & skf18("5","3","2","2","9","6","1") = "8"
    & skf18("5","3","2","2","9","7","1") = "8"
    & skf18("5","3","2","2","9","8","1") = "8"
    & skf18("5","3","2","2","9","9","1") = "8"
    & skf18("5","3","2","2","9","10","1") = "9"
    & skf18("5","3","2","2","10","1","1") = "9"
    & skf18("5","3","2","2","10","2","1") = "9"
    & skf18("5","3","2","2","10","3","1") = "9"
    & skf18("5","3","2","2","10","4","1") = "9"
    & skf18("5","3","2","2","10","5","1") = "9"
    & skf18("5","3","2","2","10","6","1") = "9"
    & skf18("5","3","2","2","10","7","1") = "9"
    & skf18("5","3","2","2","10","8","1") = "9"
    & skf18("5","3","2","2","10","9","1") = "9"
    & skf18("5","3","2","2","10","10","1") = "9"
    & skf18("5","3","2","3","1","1","1") = "4"
    & skf18("5","3","2","3","1","2","1") = "4"
    & skf18("5","3","2","3","1","3","1") = "4"
    & skf18("5","3","2","3","1","4","1") = "4"
    & skf18("5","3","2","3","1","5","1") = "4"
    & skf18("5","3","2","3","1","6","1") = "5"
    & skf18("5","3","2","3","1","7","1") = "6"
    & skf18("5","3","2","3","1","8","1") = "7"
    & skf18("5","3","2","3","1","9","1") = "8"
    & skf18("5","3","2","3","1","10","1") = "9"
    & skf18("5","3","2","3","2","1","1") = "4"
    & skf18("5","3","2","3","2","2","1") = "4"
    & skf18("5","3","2","3","2","3","1") = "4"
    & skf18("5","3","2","3","2","4","1") = "4"
    & skf18("5","3","2","3","2","5","1") = "4"
    & skf18("5","3","2","3","2","6","1") = "5"
    & skf18("5","3","2","3","2","7","1") = "6"
    & skf18("5","3","2","3","2","8","1") = "7"
    & skf18("5","3","2","3","2","9","1") = "8"
    & skf18("5","3","2","3","2","10","1") = "9"
    & skf18("5","3","2","3","3","1","1") = "4"
    & skf18("5","3","2","3","3","2","1") = "4"
    & skf18("5","3","2","3","3","3","1") = "4"
    & skf18("5","3","2","3","3","4","1") = "4"
    & skf18("5","3","2","3","3","5","1") = "4"
    & skf18("5","3","2","3","3","6","1") = "5"
    & skf18("5","3","2","3","3","7","1") = "6"
    & skf18("5","3","2","3","3","8","1") = "7"
    & skf18("5","3","2","3","3","9","1") = "8"
    & skf18("5","3","2","3","3","10","1") = "9"
    & skf18("5","3","2","3","4","1","1") = "4"
    & skf18("5","3","2","3","4","2","1") = "4"
    & skf18("5","3","2","3","4","3","1") = "4"
    & skf18("5","3","2","3","4","4","1") = "4"
    & skf18("5","3","2","3","4","5","1") = "4"
    & skf18("5","3","2","3","4","6","1") = "5"
    & skf18("5","3","2","3","4","7","1") = "6"
    & skf18("5","3","2","3","4","8","1") = "7"
    & skf18("5","3","2","3","4","9","1") = "8"
    & skf18("5","3","2","3","4","10","1") = "9"
    & skf18("5","3","2","3","5","1","1") = "4"
    & skf18("5","3","2","3","5","2","1") = "4"
    & skf18("5","3","2","3","5","3","1") = "4"
    & skf18("5","3","2","3","5","4","1") = "4"
    & skf18("5","3","2","3","5","5","1") = "4"
    & skf18("5","3","2","3","5","6","1") = "5"
    & skf18("5","3","2","3","5","7","1") = "6"
    & skf18("5","3","2","3","5","8","1") = "7"
    & skf18("5","3","2","3","5","9","1") = "8"
    & skf18("5","3","2","3","5","10","1") = "9"
    & skf18("5","3","2","3","6","1","1") = "5"
    & skf18("5","3","2","3","6","2","1") = "5"
    & skf18("5","3","2","3","6","3","1") = "5"
    & skf18("5","3","2","3","6","4","1") = "5"
    & skf18("5","3","2","3","6","5","1") = "5"
    & skf18("5","3","2","3","6","6","1") = "5"
    & skf18("5","3","2","3","6","7","1") = "6"
    & skf18("5","3","2","3","6","8","1") = "7"
    & skf18("5","3","2","3","6","9","1") = "8"
    & skf18("5","3","2","3","6","10","1") = "9"
    & skf18("5","3","2","3","7","1","1") = "6"
    & skf18("5","3","2","3","7","2","1") = "6"
    & skf18("5","3","2","3","7","3","1") = "6"
    & skf18("5","3","2","3","7","4","1") = "6"
    & skf18("5","3","2","3","7","5","1") = "6"
    & skf18("5","3","2","3","7","6","1") = "6"
    & skf18("5","3","2","3","7","7","1") = "6"
    & skf18("5","3","2","3","7","8","1") = "7"
    & skf18("5","3","2","3","7","9","1") = "8"
    & skf18("5","3","2","3","7","10","1") = "9"
    & skf18("5","3","2","3","8","1","1") = "7"
    & skf18("5","3","2","3","8","2","1") = "7"
    & skf18("5","3","2","3","8","3","1") = "7"
    & skf18("5","3","2","3","8","4","1") = "7"
    & skf18("5","3","2","3","8","5","1") = "7"
    & skf18("5","3","2","3","8","6","1") = "7"
    & skf18("5","3","2","3","8","7","1") = "7"
    & skf18("5","3","2","3","8","8","1") = "7"
    & skf18("5","3","2","3","8","9","1") = "8"
    & skf18("5","3","2","3","8","10","1") = "9"
    & skf18("5","3","2","3","9","1","1") = "8"
    & skf18("5","3","2","3","9","2","1") = "8"
    & skf18("5","3","2","3","9","3","1") = "8"
    & skf18("5","3","2","3","9","4","1") = "8"
    & skf18("5","3","2","3","9","5","1") = "8"
    & skf18("5","3","2","3","9","6","1") = "8"
    & skf18("5","3","2","3","9","7","1") = "8"
    & skf18("5","3","2","3","9","8","1") = "8"
    & skf18("5","3","2","3","9","9","1") = "8"
    & skf18("5","3","2","3","9","10","1") = "9"
    & skf18("5","3","2","3","10","1","1") = "9"
    & skf18("5","3","2","3","10","2","1") = "9"
    & skf18("5","3","2","3","10","3","1") = "9"
    & skf18("5","3","2","3","10","4","1") = "9"
    & skf18("5","3","2","3","10","5","1") = "9"
    & skf18("5","3","2","3","10","6","1") = "9"
    & skf18("5","3","2","3","10","7","1") = "9"
    & skf18("5","3","2","3","10","8","1") = "9"
    & skf18("5","3","2","3","10","9","1") = "9"
    & skf18("5","3","2","3","10","10","1") = "9"
    & skf18("5","3","2","4","1","1","1") = "4"
    & skf18("5","3","2","4","1","2","1") = "4"
    & skf18("5","3","2","4","1","3","1") = "4"
    & skf18("5","3","2","4","1","4","1") = "4"
    & skf18("5","3","2","4","1","5","1") = "4"
    & skf18("5","3","2","4","1","6","1") = "5"
    & skf18("5","3","2","4","1","7","1") = "6"
    & skf18("5","3","2","4","1","8","1") = "7"
    & skf18("5","3","2","4","1","9","1") = "8"
    & skf18("5","3","2","4","1","10","1") = "9"
    & skf18("5","3","2","4","2","1","1") = "4"
    & skf18("5","3","2","4","2","2","1") = "4"
    & skf18("5","3","2","4","2","3","1") = "4"
    & skf18("5","3","2","4","2","4","1") = "4"
    & skf18("5","3","2","4","2","5","1") = "4"
    & skf18("5","3","2","4","2","6","1") = "5"
    & skf18("5","3","2","4","2","7","1") = "6"
    & skf18("5","3","2","4","2","8","1") = "7"
    & skf18("5","3","2","4","2","9","1") = "8"
    & skf18("5","3","2","4","2","10","1") = "9"
    & skf18("5","3","2","4","3","1","1") = "4"
    & skf18("5","3","2","4","3","2","1") = "4"
    & skf18("5","3","2","4","3","3","1") = "4"
    & skf18("5","3","2","4","3","4","1") = "4"
    & skf18("5","3","2","4","3","5","1") = "4"
    & skf18("5","3","2","4","3","6","1") = "5"
    & skf18("5","3","2","4","3","7","1") = "6"
    & skf18("5","3","2","4","3","8","1") = "7"
    & skf18("5","3","2","4","3","9","1") = "8"
    & skf18("5","3","2","4","3","10","1") = "9"
    & skf18("5","3","2","4","4","1","1") = "4"
    & skf18("5","3","2","4","4","2","1") = "4"
    & skf18("5","3","2","4","4","3","1") = "4"
    & skf18("5","3","2","4","4","4","1") = "4"
    & skf18("5","3","2","4","4","5","1") = "4"
    & skf18("5","3","2","4","4","6","1") = "5"
    & skf18("5","3","2","4","4","7","1") = "6"
    & skf18("5","3","2","4","4","8","1") = "7"
    & skf18("5","3","2","4","4","9","1") = "8"
    & skf18("5","3","2","4","4","10","1") = "9"
    & skf18("5","3","2","4","5","1","1") = "4"
    & skf18("5","3","2","4","5","2","1") = "4"
    & skf18("5","3","2","4","5","3","1") = "4"
    & skf18("5","3","2","4","5","4","1") = "4"
    & skf18("5","3","2","4","5","5","1") = "4"
    & skf18("5","3","2","4","5","6","1") = "5"
    & skf18("5","3","2","4","5","7","1") = "6"
    & skf18("5","3","2","4","5","8","1") = "7"
    & skf18("5","3","2","4","5","9","1") = "8"
    & skf18("5","3","2","4","5","10","1") = "9"
    & skf18("5","3","2","4","6","1","1") = "5"
    & skf18("5","3","2","4","6","2","1") = "5"
    & skf18("5","3","2","4","6","3","1") = "5"
    & skf18("5","3","2","4","6","4","1") = "5"
    & skf18("5","3","2","4","6","5","1") = "5"
    & skf18("5","3","2","4","6","6","1") = "5"
    & skf18("5","3","2","4","6","7","1") = "6"
    & skf18("5","3","2","4","6","8","1") = "7"
    & skf18("5","3","2","4","6","9","1") = "8"
    & skf18("5","3","2","4","6","10","1") = "9"
    & skf18("5","3","2","4","7","1","1") = "6"
    & skf18("5","3","2","4","7","2","1") = "6"
    & skf18("5","3","2","4","7","3","1") = "6"
    & skf18("5","3","2","4","7","4","1") = "6"
    & skf18("5","3","2","4","7","5","1") = "6"
    & skf18("5","3","2","4","7","6","1") = "6"
    & skf18("5","3","2","4","7","7","1") = "6"
    & skf18("5","3","2","4","7","8","1") = "7"
    & skf18("5","3","2","4","7","9","1") = "8"
    & skf18("5","3","2","4","7","10","1") = "9"
    & skf18("5","3","2","4","8","1","1") = "7"
    & skf18("5","3","2","4","8","2","1") = "7"
    & skf18("5","3","2","4","8","3","1") = "7"
    & skf18("5","3","2","4","8","4","1") = "7"
    & skf18("5","3","2","4","8","5","1") = "7"
    & skf18("5","3","2","4","8","6","1") = "7"
    & skf18("5","3","2","4","8","7","1") = "7"
    & skf18("5","3","2","4","8","8","1") = "7"
    & skf18("5","3","2","4","8","9","1") = "8"
    & skf18("5","3","2","4","8","10","1") = "9"
    & skf18("5","3","2","4","9","1","1") = "8"
    & skf18("5","3","2","4","9","2","1") = "8"
    & skf18("5","3","2","4","9","3","1") = "8"
    & skf18("5","3","2","4","9","4","1") = "8"
    & skf18("5","3","2","4","9","5","1") = "8"
    & skf18("5","3","2","4","9","6","1") = "8"
    & skf18("5","3","2","4","9","7","1") = "8"
    & skf18("5","3","2","4","9","8","1") = "8"
    & skf18("5","3","2","4","9","9","1") = "8"
    & skf18("5","3","2","4","9","10","1") = "9"
    & skf18("5","3","2","4","10","1","1") = "9"
    & skf18("5","3","2","4","10","2","1") = "9"
    & skf18("5","3","2","4","10","3","1") = "9"
    & skf18("5","3","2","4","10","4","1") = "9"
    & skf18("5","3","2","4","10","5","1") = "9"
    & skf18("5","3","2","4","10","6","1") = "9"
    & skf18("5","3","2","4","10","7","1") = "9"
    & skf18("5","3","2","4","10","8","1") = "9"
    & skf18("5","3","2","4","10","9","1") = "9"
    & skf18("5","3","2","4","10","10","1") = "9"
    & skf18("5","3","2","5","1","1","1") = "4"
    & skf18("5","3","2","5","1","2","1") = "4"
    & skf18("5","3","2","5","1","3","1") = "4"
    & skf18("5","3","2","5","1","4","1") = "4"
    & skf18("5","3","2","5","1","5","1") = "4"
    & skf18("5","3","2","5","1","6","1") = "5"
    & skf18("5","3","2","5","1","7","1") = "6"
    & skf18("5","3","2","5","1","8","1") = "7"
    & skf18("5","3","2","5","1","9","1") = "8"
    & skf18("5","3","2","5","1","10","1") = "9"
    & skf18("5","3","2","5","2","1","1") = "4"
    & skf18("5","3","2","5","2","2","1") = "4"
    & skf18("5","3","2","5","2","3","1") = "4"
    & skf18("5","3","2","5","2","4","1") = "4"
    & skf18("5","3","2","5","2","5","1") = "4"
    & skf18("5","3","2","5","2","6","1") = "5"
    & skf18("5","3","2","5","2","7","1") = "6"
    & skf18("5","3","2","5","2","8","1") = "7"
    & skf18("5","3","2","5","2","9","1") = "8"
    & skf18("5","3","2","5","2","10","1") = "9"
    & skf18("5","3","2","5","3","1","1") = "4"
    & skf18("5","3","2","5","3","2","1") = "4"
    & skf18("5","3","2","5","3","3","1") = "4"
    & skf18("5","3","2","5","3","4","1") = "4"
    & skf18("5","3","2","5","3","5","1") = "4"
    & skf18("5","3","2","5","3","6","1") = "5"
    & skf18("5","3","2","5","3","7","1") = "6"
    & skf18("5","3","2","5","3","8","1") = "7"
    & skf18("5","3","2","5","3","9","1") = "8"
    & skf18("5","3","2","5","3","10","1") = "9"
    & skf18("5","3","2","5","4","1","1") = "4"
    & skf18("5","3","2","5","4","2","1") = "4"
    & skf18("5","3","2","5","4","3","1") = "4"
    & skf18("5","3","2","5","4","4","1") = "4"
    & skf18("5","3","2","5","4","5","1") = "4"
    & skf18("5","3","2","5","4","6","1") = "5"
    & skf18("5","3","2","5","4","7","1") = "6"
    & skf18("5","3","2","5","4","8","1") = "7"
    & skf18("5","3","2","5","4","9","1") = "8"
    & skf18("5","3","2","5","4","10","1") = "9"
    & skf18("5","3","2","5","5","1","1") = "4"
    & skf18("5","3","2","5","5","2","1") = "4"
    & skf18("5","3","2","5","5","3","1") = "4"
    & skf18("5","3","2","5","5","4","1") = "4"
    & skf18("5","3","2","5","5","5","1") = "4"
    & skf18("5","3","2","5","5","6","1") = "5"
    & skf18("5","3","2","5","5","7","1") = "6"
    & skf18("5","3","2","5","5","8","1") = "7"
    & skf18("5","3","2","5","5","9","1") = "8"
    & skf18("5","3","2","5","5","10","1") = "9"
    & skf18("5","3","2","5","6","1","1") = "5"
    & skf18("5","3","2","5","6","2","1") = "5"
    & skf18("5","3","2","5","6","3","1") = "5"
    & skf18("5","3","2","5","6","4","1") = "5"
    & skf18("5","3","2","5","6","5","1") = "5"
    & skf18("5","3","2","5","6","6","1") = "5"
    & skf18("5","3","2","5","6","7","1") = "6"
    & skf18("5","3","2","5","6","8","1") = "7"
    & skf18("5","3","2","5","6","9","1") = "8"
    & skf18("5","3","2","5","6","10","1") = "9"
    & skf18("5","3","2","5","7","1","1") = "6"
    & skf18("5","3","2","5","7","2","1") = "6"
    & skf18("5","3","2","5","7","3","1") = "6"
    & skf18("5","3","2","5","7","4","1") = "6"
    & skf18("5","3","2","5","7","5","1") = "6"
    & skf18("5","3","2","5","7","6","1") = "6"
    & skf18("5","3","2","5","7","7","1") = "6"
    & skf18("5","3","2","5","7","8","1") = "7"
    & skf18("5","3","2","5","7","9","1") = "8"
    & skf18("5","3","2","5","7","10","1") = "9"
    & skf18("5","3","2","5","8","1","1") = "7"
    & skf18("5","3","2","5","8","2","1") = "7"
    & skf18("5","3","2","5","8","3","1") = "7"
    & skf18("5","3","2","5","8","4","1") = "7"
    & skf18("5","3","2","5","8","5","1") = "7"
    & skf18("5","3","2","5","8","6","1") = "7"
    & skf18("5","3","2","5","8","7","1") = "7"
    & skf18("5","3","2","5","8","8","1") = "7"
    & skf18("5","3","2","5","8","9","1") = "8"
    & skf18("5","3","2","5","8","10","1") = "9"
    & skf18("5","3","2","5","9","1","1") = "8"
    & skf18("5","3","2","5","9","2","1") = "8"
    & skf18("5","3","2","5","9","3","1") = "8"
    & skf18("5","3","2","5","9","4","1") = "8"
    & skf18("5","3","2","5","9","5","1") = "8"
    & skf18("5","3","2","5","9","6","1") = "8"
    & skf18("5","3","2","5","9","7","1") = "8"
    & skf18("5","3","2","5","9","8","1") = "8"
    & skf18("5","3","2","5","9","9","1") = "8"
    & skf18("5","3","2","5","9","10","1") = "9"
    & skf18("5","3","2","5","10","1","1") = "9"
    & skf18("5","3","2","5","10","2","1") = "9"
    & skf18("5","3","2","5","10","3","1") = "9"
    & skf18("5","3","2","5","10","4","1") = "9"
    & skf18("5","3","2","5","10","5","1") = "9"
    & skf18("5","3","2","5","10","6","1") = "9"
    & skf18("5","3","2","5","10","7","1") = "9"
    & skf18("5","3","2","5","10","8","1") = "9"
    & skf18("5","3","2","5","10","9","1") = "9"
    & skf18("5","3","2","5","10","10","1") = "9"
    & skf18("5","3","2","6","1","1","1") = "5"
    & skf18("5","3","2","6","1","2","1") = "5"
    & skf18("5","3","2","6","1","3","1") = "5"
    & skf18("5","3","2","6","1","4","1") = "5"
    & skf18("5","3","2","6","1","5","1") = "5"
    & skf18("5","3","2","6","1","6","1") = "5"
    & skf18("5","3","2","6","1","7","1") = "6"
    & skf18("5","3","2","6","1","8","1") = "7"
    & skf18("5","3","2","6","1","9","1") = "8"
    & skf18("5","3","2","6","1","10","1") = "9"
    & skf18("5","3","2","6","2","1","1") = "5"
    & skf18("5","3","2","6","2","2","1") = "5"
    & skf18("5","3","2","6","2","3","1") = "5"
    & skf18("5","3","2","6","2","4","1") = "5"
    & skf18("5","3","2","6","2","5","1") = "5"
    & skf18("5","3","2","6","2","6","1") = "5"
    & skf18("5","3","2","6","2","7","1") = "6"
    & skf18("5","3","2","6","2","8","1") = "7"
    & skf18("5","3","2","6","2","9","1") = "8"
    & skf18("5","3","2","6","2","10","1") = "9"
    & skf18("5","3","2","6","3","1","1") = "5"
    & skf18("5","3","2","6","3","2","1") = "5"
    & skf18("5","3","2","6","3","3","1") = "5"
    & skf18("5","3","2","6","3","4","1") = "5"
    & skf18("5","3","2","6","3","5","1") = "5"
    & skf18("5","3","2","6","3","6","1") = "5"
    & skf18("5","3","2","6","3","7","1") = "6"
    & skf18("5","3","2","6","3","8","1") = "7"
    & skf18("5","3","2","6","3","9","1") = "8"
    & skf18("5","3","2","6","3","10","1") = "9"
    & skf18("5","3","2","6","4","1","1") = "5"
    & skf18("5","3","2","6","4","2","1") = "5"
    & skf18("5","3","2","6","4","3","1") = "5"
    & skf18("5","3","2","6","4","4","1") = "5"
    & skf18("5","3","2","6","4","5","1") = "5"
    & skf18("5","3","2","6","4","6","1") = "5"
    & skf18("5","3","2","6","4","7","1") = "6"
    & skf18("5","3","2","6","4","8","1") = "7"
    & skf18("5","3","2","6","4","9","1") = "8"
    & skf18("5","3","2","6","4","10","1") = "9"
    & skf18("5","3","2","6","5","1","1") = "5"
    & skf18("5","3","2","6","5","2","1") = "5"
    & skf18("5","3","2","6","5","3","1") = "5"
    & skf18("5","3","2","6","5","4","1") = "5"
    & skf18("5","3","2","6","5","5","1") = "5"
    & skf18("5","3","2","6","5","6","1") = "5"
    & skf18("5","3","2","6","5","7","1") = "6"
    & skf18("5","3","2","6","5","8","1") = "7"
    & skf18("5","3","2","6","5","9","1") = "8"
    & skf18("5","3","2","6","5","10","1") = "9"
    & skf18("5","3","2","6","6","1","1") = "5"
    & skf18("5","3","2","6","6","2","1") = "5"
    & skf18("5","3","2","6","6","3","1") = "5"
    & skf18("5","3","2","6","6","4","1") = "5"
    & skf18("5","3","2","6","6","5","1") = "5"
    & skf18("5","3","2","6","6","6","1") = "5"
    & skf18("5","3","2","6","6","7","1") = "6"
    & skf18("5","3","2","6","6","8","1") = "7"
    & skf18("5","3","2","6","6","9","1") = "8"
    & skf18("5","3","2","6","6","10","1") = "9"
    & skf18("5","3","2","6","7","1","1") = "6"
    & skf18("5","3","2","6","7","2","1") = "6"
    & skf18("5","3","2","6","7","3","1") = "6"
    & skf18("5","3","2","6","7","4","1") = "6"
    & skf18("5","3","2","6","7","5","1") = "6"
    & skf18("5","3","2","6","7","6","1") = "6"
    & skf18("5","3","2","6","7","7","1") = "6"
    & skf18("5","3","2","6","7","8","1") = "7"
    & skf18("5","3","2","6","7","9","1") = "8"
    & skf18("5","3","2","6","7","10","1") = "9"
    & skf18("5","3","2","6","8","1","1") = "7"
    & skf18("5","3","2","6","8","2","1") = "7"
    & skf18("5","3","2","6","8","3","1") = "7"
    & skf18("5","3","2","6","8","4","1") = "7"
    & skf18("5","3","2","6","8","5","1") = "7"
    & skf18("5","3","2","6","8","6","1") = "7"
    & skf18("5","3","2","6","8","7","1") = "7"
    & skf18("5","3","2","6","8","8","1") = "7"
    & skf18("5","3","2","6","8","9","1") = "8"
    & skf18("5","3","2","6","8","10","1") = "9"
    & skf18("5","3","2","6","9","1","1") = "8"
    & skf18("5","3","2","6","9","2","1") = "8"
    & skf18("5","3","2","6","9","3","1") = "8"
    & skf18("5","3","2","6","9","4","1") = "8"
    & skf18("5","3","2","6","9","5","1") = "8"
    & skf18("5","3","2","6","9","6","1") = "8"
    & skf18("5","3","2","6","9","7","1") = "8"
    & skf18("5","3","2","6","9","8","1") = "8"
    & skf18("5","3","2","6","9","9","1") = "8"
    & skf18("5","3","2","6","9","10","1") = "9"
    & skf18("5","3","2","6","10","1","1") = "9"
    & skf18("5","3","2","6","10","2","1") = "9"
    & skf18("5","3","2","6","10","3","1") = "9"
    & skf18("5","3","2","6","10","4","1") = "9"
    & skf18("5","3","2","6","10","5","1") = "9"
    & skf18("5","3","2","6","10","6","1") = "9"
    & skf18("5","3","2","6","10","7","1") = "9"
    & skf18("5","3","2","6","10","8","1") = "9"
    & skf18("5","3","2","6","10","9","1") = "9"
    & skf18("5","3","2","6","10","10","1") = "9"
    & skf18("5","3","2","7","1","1","1") = "6"
    & skf18("5","3","2","7","1","2","1") = "6"
    & skf18("5","3","2","7","1","3","1") = "6"
    & skf18("5","3","2","7","1","4","1") = "6"
    & skf18("5","3","2","7","1","5","1") = "6"
    & skf18("5","3","2","7","1","6","1") = "6"
    & skf18("5","3","2","7","1","7","1") = "6"
    & skf18("5","3","2","7","1","8","1") = "7"
    & skf18("5","3","2","7","1","9","1") = "8"
    & skf18("5","3","2","7","1","10","1") = "9"
    & skf18("5","3","2","7","2","1","1") = "6"
    & skf18("5","3","2","7","2","2","1") = "6"
    & skf18("5","3","2","7","2","3","1") = "6"
    & skf18("5","3","2","7","2","4","1") = "6"
    & skf18("5","3","2","7","2","5","1") = "6"
    & skf18("5","3","2","7","2","6","1") = "6"
    & skf18("5","3","2","7","2","7","1") = "6"
    & skf18("5","3","2","7","2","8","1") = "7"
    & skf18("5","3","2","7","2","9","1") = "8"
    & skf18("5","3","2","7","2","10","1") = "9"
    & skf18("5","3","2","7","3","1","1") = "6"
    & skf18("5","3","2","7","3","2","1") = "6"
    & skf18("5","3","2","7","3","3","1") = "6"
    & skf18("5","3","2","7","3","4","1") = "6"
    & skf18("5","3","2","7","3","5","1") = "6"
    & skf18("5","3","2","7","3","6","1") = "6"
    & skf18("5","3","2","7","3","7","1") = "6"
    & skf18("5","3","2","7","3","8","1") = "7"
    & skf18("5","3","2","7","3","9","1") = "8"
    & skf18("5","3","2","7","3","10","1") = "9"
    & skf18("5","3","2","7","4","1","1") = "6"
    & skf18("5","3","2","7","4","2","1") = "6"
    & skf18("5","3","2","7","4","3","1") = "6"
    & skf18("5","3","2","7","4","4","1") = "6"
    & skf18("5","3","2","7","4","5","1") = "6"
    & skf18("5","3","2","7","4","6","1") = "6"
    & skf18("5","3","2","7","4","7","1") = "6"
    & skf18("5","3","2","7","4","8","1") = "7"
    & skf18("5","3","2","7","4","9","1") = "8"
    & skf18("5","3","2","7","4","10","1") = "9"
    & skf18("5","3","2","7","5","1","1") = "6"
    & skf18("5","3","2","7","5","2","1") = "6"
    & skf18("5","3","2","7","5","3","1") = "6"
    & skf18("5","3","2","7","5","4","1") = "6"
    & skf18("5","3","2","7","5","5","1") = "6"
    & skf18("5","3","2","7","5","6","1") = "6"
    & skf18("5","3","2","7","5","7","1") = "6"
    & skf18("5","3","2","7","5","8","1") = "7"
    & skf18("5","3","2","7","5","9","1") = "8"
    & skf18("5","3","2","7","5","10","1") = "9"
    & skf18("5","3","2","7","6","1","1") = "6"
    & skf18("5","3","2","7","6","2","1") = "6"
    & skf18("5","3","2","7","6","3","1") = "6"
    & skf18("5","3","2","7","6","4","1") = "6"
    & skf18("5","3","2","7","6","5","1") = "6"
    & skf18("5","3","2","7","6","6","1") = "6"
    & skf18("5","3","2","7","6","7","1") = "6"
    & skf18("5","3","2","7","6","8","1") = "7"
    & skf18("5","3","2","7","6","9","1") = "8"
    & skf18("5","3","2","7","6","10","1") = "9"
    & skf18("5","3","2","7","7","1","1") = "6"
    & skf18("5","3","2","7","7","2","1") = "6"
    & skf18("5","3","2","7","7","3","1") = "6"
    & skf18("5","3","2","7","7","4","1") = "6"
    & skf18("5","3","2","7","7","5","1") = "6"
    & skf18("5","3","2","7","7","6","1") = "6"
    & skf18("5","3","2","7","7","7","1") = "6"
    & skf18("5","3","2","7","7","8","1") = "7"
    & skf18("5","3","2","7","7","9","1") = "8"
    & skf18("5","3","2","7","7","10","1") = "9"
    & skf18("5","3","2","7","8","1","1") = "7"
    & skf18("5","3","2","7","8","2","1") = "7"
    & skf18("5","3","2","7","8","3","1") = "7"
    & skf18("5","3","2","7","8","4","1") = "7"
    & skf18("5","3","2","7","8","5","1") = "7"
    & skf18("5","3","2","7","8","6","1") = "7"
    & skf18("5","3","2","7","8","7","1") = "7"
    & skf18("5","3","2","7","8","8","1") = "7"
    & skf18("5","3","2","7","8","9","1") = "8"
    & skf18("5","3","2","7","8","10","1") = "9"
    & skf18("5","3","2","7","9","1","1") = "8"
    & skf18("5","3","2","7","9","2","1") = "8"
    & skf18("5","3","2","7","9","3","1") = "8"
    & skf18("5","3","2","7","9","4","1") = "8"
    & skf18("5","3","2","7","9","5","1") = "8"
    & skf18("5","3","2","7","9","6","1") = "8"
    & skf18("5","3","2","7","9","7","1") = "8"
    & skf18("5","3","2","7","9","8","1") = "8"
    & skf18("5","3","2","7","9","9","1") = "8"
    & skf18("5","3","2","7","9","10","1") = "9"
    & skf18("5","3","2","7","10","1","1") = "9"
    & skf18("5","3","2","7","10","2","1") = "9"
    & skf18("5","3","2","7","10","3","1") = "9"
    & skf18("5","3","2","7","10","4","1") = "9"
    & skf18("5","3","2","7","10","5","1") = "9"
    & skf18("5","3","2","7","10","6","1") = "9"
    & skf18("5","3","2","7","10","7","1") = "9"
    & skf18("5","3","2","7","10","8","1") = "9"
    & skf18("5","3","2","7","10","9","1") = "9"
    & skf18("5","3","2","7","10","10","1") = "9"
    & skf18("5","3","2","8","1","1","1") = "7"
    & skf18("5","3","2","8","1","2","1") = "7"
    & skf18("5","3","2","8","1","3","1") = "7"
    & skf18("5","3","2","8","1","4","1") = "7"
    & skf18("5","3","2","8","1","5","1") = "7"
    & skf18("5","3","2","8","1","6","1") = "7"
    & skf18("5","3","2","8","1","7","1") = "7"
    & skf18("5","3","2","8","1","8","1") = "7"
    & skf18("5","3","2","8","1","9","1") = "8"
    & skf18("5","3","2","8","1","10","1") = "9"
    & skf18("5","3","2","8","2","1","1") = "7"
    & skf18("5","3","2","8","2","2","1") = "7"
    & skf18("5","3","2","8","2","3","1") = "7"
    & skf18("5","3","2","8","2","4","1") = "7"
    & skf18("5","3","2","8","2","5","1") = "7"
    & skf18("5","3","2","8","2","6","1") = "7"
    & skf18("5","3","2","8","2","7","1") = "7"
    & skf18("5","3","2","8","2","8","1") = "7"
    & skf18("5","3","2","8","2","9","1") = "8"
    & skf18("5","3","2","8","2","10","1") = "9"
    & skf18("5","3","2","8","3","1","1") = "7"
    & skf18("5","3","2","8","3","2","1") = "7"
    & skf18("5","3","2","8","3","3","1") = "7"
    & skf18("5","3","2","8","3","4","1") = "7"
    & skf18("5","3","2","8","3","5","1") = "7"
    & skf18("5","3","2","8","3","6","1") = "7"
    & skf18("5","3","2","8","3","7","1") = "7"
    & skf18("5","3","2","8","3","8","1") = "7"
    & skf18("5","3","2","8","3","9","1") = "8"
    & skf18("5","3","2","8","3","10","1") = "9"
    & skf18("5","3","2","8","4","1","1") = "7"
    & skf18("5","3","2","8","4","2","1") = "7"
    & skf18("5","3","2","8","4","3","1") = "7"
    & skf18("5","3","2","8","4","4","1") = "7"
    & skf18("5","3","2","8","4","5","1") = "7"
    & skf18("5","3","2","8","4","6","1") = "7"
    & skf18("5","3","2","8","4","7","1") = "7"
    & skf18("5","3","2","8","4","8","1") = "7"
    & skf18("5","3","2","8","4","9","1") = "8"
    & skf18("5","3","2","8","4","10","1") = "9"
    & skf18("5","3","2","8","5","1","1") = "7"
    & skf18("5","3","2","8","5","2","1") = "7"
    & skf18("5","3","2","8","5","3","1") = "7"
    & skf18("5","3","2","8","5","4","1") = "7"
    & skf18("5","3","2","8","5","5","1") = "7"
    & skf18("5","3","2","8","5","6","1") = "7"
    & skf18("5","3","2","8","5","7","1") = "7"
    & skf18("5","3","2","8","5","8","1") = "7"
    & skf18("5","3","2","8","5","9","1") = "8"
    & skf18("5","3","2","8","5","10","1") = "9"
    & skf18("5","3","2","8","6","1","1") = "7"
    & skf18("5","3","2","8","6","2","1") = "7"
    & skf18("5","3","2","8","6","3","1") = "7"
    & skf18("5","3","2","8","6","4","1") = "7"
    & skf18("5","3","2","8","6","5","1") = "7"
    & skf18("5","3","2","8","6","6","1") = "7"
    & skf18("5","3","2","8","6","7","1") = "7"
    & skf18("5","3","2","8","6","8","1") = "7"
    & skf18("5","3","2","8","6","9","1") = "8"
    & skf18("5","3","2","8","6","10","1") = "9"
    & skf18("5","3","2","8","7","1","1") = "7"
    & skf18("5","3","2","8","7","2","1") = "7"
    & skf18("5","3","2","8","7","3","1") = "7"
    & skf18("5","3","2","8","7","4","1") = "7"
    & skf18("5","3","2","8","7","5","1") = "7"
    & skf18("5","3","2","8","7","6","1") = "7"
    & skf18("5","3","2","8","7","7","1") = "7"
    & skf18("5","3","2","8","7","8","1") = "7"
    & skf18("5","3","2","8","7","9","1") = "8"
    & skf18("5","3","2","8","7","10","1") = "9"
    & skf18("5","3","2","8","8","1","1") = "7"
    & skf18("5","3","2","8","8","2","1") = "7"
    & skf18("5","3","2","8","8","3","1") = "7"
    & skf18("5","3","2","8","8","4","1") = "7"
    & skf18("5","3","2","8","8","5","1") = "7"
    & skf18("5","3","2","8","8","6","1") = "7"
    & skf18("5","3","2","8","8","7","1") = "7"
    & skf18("5","3","2","8","8","8","1") = "7"
    & skf18("5","3","2","8","8","9","1") = "8"
    & skf18("5","3","2","8","8","10","1") = "9"
    & skf18("5","3","2","8","9","1","1") = "8"
    & skf18("5","3","2","8","9","2","1") = "8"
    & skf18("5","3","2","8","9","3","1") = "8"
    & skf18("5","3","2","8","9","4","1") = "8"
    & skf18("5","3","2","8","9","5","1") = "8"
    & skf18("5","3","2","8","9","6","1") = "8"
    & skf18("5","3","2","8","9","7","1") = "8"
    & skf18("5","3","2","8","9","8","1") = "8"
    & skf18("5","3","2","8","9","9","1") = "8"
    & skf18("5","3","2","8","9","10","1") = "9"
    & skf18("5","3","2","8","10","1","1") = "9"
    & skf18("5","3","2","8","10","2","1") = "9"
    & skf18("5","3","2","8","10","3","1") = "9"
    & skf18("5","3","2","8","10","4","1") = "9"
    & skf18("5","3","2","8","10","5","1") = "9"
    & skf18("5","3","2","8","10","6","1") = "9"
    & skf18("5","3","2","8","10","7","1") = "9"
    & skf18("5","3","2","8","10","8","1") = "9"
    & skf18("5","3","2","8","10","9","1") = "9"
    & skf18("5","3","2","8","10","10","1") = "9"
    & skf18("5","3","2","9","1","1","1") = "8"
    & skf18("5","3","2","9","1","2","1") = "8"
    & skf18("5","3","2","9","1","3","1") = "8"
    & skf18("5","3","2","9","1","4","1") = "8"
    & skf18("5","3","2","9","1","5","1") = "8"
    & skf18("5","3","2","9","1","6","1") = "8"
    & skf18("5","3","2","9","1","7","1") = "8"
    & skf18("5","3","2","9","1","8","1") = "8"
    & skf18("5","3","2","9","1","9","1") = "8"
    & skf18("5","3","2","9","1","10","1") = "9"
    & skf18("5","3","2","9","2","1","1") = "8"
    & skf18("5","3","2","9","2","2","1") = "8"
    & skf18("5","3","2","9","2","3","1") = "8"
    & skf18("5","3","2","9","2","4","1") = "8"
    & skf18("5","3","2","9","2","5","1") = "8"
    & skf18("5","3","2","9","2","6","1") = "8"
    & skf18("5","3","2","9","2","7","1") = "8"
    & skf18("5","3","2","9","2","8","1") = "8"
    & skf18("5","3","2","9","2","9","1") = "8"
    & skf18("5","3","2","9","2","10","1") = "9"
    & skf18("5","3","2","9","3","1","1") = "8"
    & skf18("5","3","2","9","3","2","1") = "8"
    & skf18("5","3","2","9","3","3","1") = "8"
    & skf18("5","3","2","9","3","4","1") = "8"
    & skf18("5","3","2","9","3","5","1") = "8"
    & skf18("5","3","2","9","3","6","1") = "8"
    & skf18("5","3","2","9","3","7","1") = "8"
    & skf18("5","3","2","9","3","8","1") = "8"
    & skf18("5","3","2","9","3","9","1") = "8"
    & skf18("5","3","2","9","3","10","1") = "9"
    & skf18("5","3","2","9","4","1","1") = "8"
    & skf18("5","3","2","9","4","2","1") = "8"
    & skf18("5","3","2","9","4","3","1") = "8"
    & skf18("5","3","2","9","4","4","1") = "8"
    & skf18("5","3","2","9","4","5","1") = "8"
    & skf18("5","3","2","9","4","6","1") = "8"
    & skf18("5","3","2","9","4","7","1") = "8"
    & skf18("5","3","2","9","4","8","1") = "8"
    & skf18("5","3","2","9","4","9","1") = "8"
    & skf18("5","3","2","9","4","10","1") = "9"
    & skf18("5","3","2","9","5","1","1") = "8"
    & skf18("5","3","2","9","5","2","1") = "8"
    & skf18("5","3","2","9","5","3","1") = "8"
    & skf18("5","3","2","9","5","4","1") = "8"
    & skf18("5","3","2","9","5","5","1") = "8"
    & skf18("5","3","2","9","5","6","1") = "8"
    & skf18("5","3","2","9","5","7","1") = "8"
    & skf18("5","3","2","9","5","8","1") = "8"
    & skf18("5","3","2","9","5","9","1") = "8"
    & skf18("5","3","2","9","5","10","1") = "9"
    & skf18("5","3","2","9","6","1","1") = "8"
    & skf18("5","3","2","9","6","2","1") = "8"
    & skf18("5","3","2","9","6","3","1") = "8"
    & skf18("5","3","2","9","6","4","1") = "8"
    & skf18("5","3","2","9","6","5","1") = "8"
    & skf18("5","3","2","9","6","6","1") = "8"
    & skf18("5","3","2","9","6","7","1") = "8"
    & skf18("5","3","2","9","6","8","1") = "8"
    & skf18("5","3","2","9","6","9","1") = "8"
    & skf18("5","3","2","9","6","10","1") = "9"
    & skf18("5","3","2","9","7","1","1") = "8"
    & skf18("5","3","2","9","7","2","1") = "8"
    & skf18("5","3","2","9","7","3","1") = "8"
    & skf18("5","3","2","9","7","4","1") = "8"
    & skf18("5","3","2","9","7","5","1") = "8"
    & skf18("5","3","2","9","7","6","1") = "8"
    & skf18("5","3","2","9","7","7","1") = "8"
    & skf18("5","3","2","9","7","8","1") = "8"
    & skf18("5","3","2","9","7","9","1") = "8"
    & skf18("5","3","2","9","7","10","1") = "9"
    & skf18("5","3","2","9","8","1","1") = "8"
    & skf18("5","3","2","9","8","2","1") = "8"
    & skf18("5","3","2","9","8","3","1") = "8"
    & skf18("5","3","2","9","8","4","1") = "8"
    & skf18("5","3","2","9","8","5","1") = "8"
    & skf18("5","3","2","9","8","6","1") = "8"
    & skf18("5","3","2","9","8","7","1") = "8"
    & skf18("5","3","2","9","8","8","1") = "8"
    & skf18("5","3","2","9","8","9","1") = "8"
    & skf18("5","3","2","9","8","10","1") = "9"
    & skf18("5","3","2","9","9","1","1") = "8"
    & skf18("5","3","2","9","9","2","1") = "8"
    & skf18("5","3","2","9","9","3","1") = "8"
    & skf18("5","3","2","9","9","4","1") = "8"
    & skf18("5","3","2","9","9","5","1") = "8"
    & skf18("5","3","2","9","9","6","1") = "8"
    & skf18("5","3","2","9","9","7","1") = "8"
    & skf18("5","3","2","9","9","8","1") = "8"
    & skf18("5","3","2","9","9","9","1") = "8"
    & skf18("5","3","2","9","9","10","1") = "9"
    & skf18("5","3","2","9","10","1","1") = "9"
    & skf18("5","3","2","9","10","2","1") = "9"
    & skf18("5","3","2","9","10","3","1") = "9"
    & skf18("5","3","2","9","10","4","1") = "9"
    & skf18("5","3","2","9","10","5","1") = "9"
    & skf18("5","3","2","9","10","6","1") = "9"
    & skf18("5","3","2","9","10","7","1") = "9"
    & skf18("5","3","2","9","10","8","1") = "9"
    & skf18("5","3","2","9","10","9","1") = "9"
    & skf18("5","3","2","9","10","10","1") = "9"
    & skf18("5","3","2","10","1","1","1") = "9"
    & skf18("5","3","2","10","1","2","1") = "9"
    & skf18("5","3","2","10","1","3","1") = "9"
    & skf18("5","3","2","10","1","4","1") = "9"
    & skf18("5","3","2","10","1","5","1") = "9"
    & skf18("5","3","2","10","1","6","1") = "9"
    & skf18("5","3","2","10","1","7","1") = "9"
    & skf18("5","3","2","10","1","8","1") = "9"
    & skf18("5","3","2","10","1","9","1") = "9"
    & skf18("5","3","2","10","1","10","1") = "9"
    & skf18("5","3","2","10","2","1","1") = "9"
    & skf18("5","3","2","10","2","2","1") = "9"
    & skf18("5","3","2","10","2","3","1") = "9"
    & skf18("5","3","2","10","2","4","1") = "9"
    & skf18("5","3","2","10","2","5","1") = "9"
    & skf18("5","3","2","10","2","6","1") = "9"
    & skf18("5","3","2","10","2","7","1") = "9"
    & skf18("5","3","2","10","2","8","1") = "9"
    & skf18("5","3","2","10","2","9","1") = "9"
    & skf18("5","3","2","10","2","10","1") = "9"
    & skf18("5","3","2","10","3","1","1") = "9"
    & skf18("5","3","2","10","3","2","1") = "9"
    & skf18("5","3","2","10","3","3","1") = "9"
    & skf18("5","3","2","10","3","4","1") = "9"
    & skf18("5","3","2","10","3","5","1") = "9"
    & skf18("5","3","2","10","3","6","1") = "9"
    & skf18("5","3","2","10","3","7","1") = "9"
    & skf18("5","3","2","10","3","8","1") = "9"
    & skf18("5","3","2","10","3","9","1") = "9"
    & skf18("5","3","2","10","3","10","1") = "9"
    & skf18("5","3","2","10","4","1","1") = "9"
    & skf18("5","3","2","10","4","2","1") = "9"
    & skf18("5","3","2","10","4","3","1") = "9"
    & skf18("5","3","2","10","4","4","1") = "9"
    & skf18("5","3","2","10","4","5","1") = "9"
    & skf18("5","3","2","10","4","6","1") = "9"
    & skf18("5","3","2","10","4","7","1") = "9"
    & skf18("5","3","2","10","4","8","1") = "9"
    & skf18("5","3","2","10","4","9","1") = "9"
    & skf18("5","3","2","10","4","10","1") = "9"
    & skf18("5","3","2","10","5","1","1") = "9"
    & skf18("5","3","2","10","5","2","1") = "9"
    & skf18("5","3","2","10","5","3","1") = "9"
    & skf18("5","3","2","10","5","4","1") = "9"
    & skf18("5","3","2","10","5","5","1") = "9"
    & skf18("5","3","2","10","5","6","1") = "9"
    & skf18("5","3","2","10","5","7","1") = "9"
    & skf18("5","3","2","10","5","8","1") = "9"
    & skf18("5","3","2","10","5","9","1") = "9"
    & skf18("5","3","2","10","5","10","1") = "9"
    & skf18("5","3","2","10","6","1","1") = "9"
    & skf18("5","3","2","10","6","2","1") = "9"
    & skf18("5","3","2","10","6","3","1") = "9"
    & skf18("5","3","2","10","6","4","1") = "9"
    & skf18("5","3","2","10","6","5","1") = "9"
    & skf18("5","3","2","10","6","6","1") = "9"
    & skf18("5","3","2","10","6","7","1") = "9"
    & skf18("5","3","2","10","6","8","1") = "9"
    & skf18("5","3","2","10","6","9","1") = "9"
    & skf18("5","3","2","10","6","10","1") = "9"
    & skf18("5","3","2","10","7","1","1") = "9"
    & skf18("5","3","2","10","7","2","1") = "9"
    & skf18("5","3","2","10","7","3","1") = "9"
    & skf18("5","3","2","10","7","4","1") = "9"
    & skf18("5","3","2","10","7","5","1") = "9"
    & skf18("5","3","2","10","7","6","1") = "9"
    & skf18("5","3","2","10","7","7","1") = "9"
    & skf18("5","3","2","10","7","8","1") = "9"
    & skf18("5","3","2","10","7","9","1") = "9"
    & skf18("5","3","2","10","7","10","1") = "9"
    & skf18("5","3","2","10","8","1","1") = "9"
    & skf18("5","3","2","10","8","2","1") = "9"
    & skf18("5","3","2","10","8","3","1") = "9"
    & skf18("5","3","2","10","8","4","1") = "9"
    & skf18("5","3","2","10","8","5","1") = "9"
    & skf18("5","3","2","10","8","6","1") = "9"
    & skf18("5","3","2","10","8","7","1") = "9"
    & skf18("5","3","2","10","8","8","1") = "9"
    & skf18("5","3","2","10","8","9","1") = "9"
    & skf18("5","3","2","10","8","10","1") = "9"
    & skf18("5","3","2","10","9","1","1") = "9"
    & skf18("5","3","2","10","9","2","1") = "9"
    & skf18("5","3","2","10","9","3","1") = "9"
    & skf18("5","3","2","10","9","4","1") = "9"
    & skf18("5","3","2","10","9","5","1") = "9"
    & skf18("5","3","2","10","9","6","1") = "9"
    & skf18("5","3","2","10","9","7","1") = "9"
    & skf18("5","3","2","10","9","8","1") = "9"
    & skf18("5","3","2","10","9","9","1") = "9"
    & skf18("5","3","2","10","9","10","1") = "9"
    & skf18("5","3","2","10","10","1","1") = "9"
    & skf18("5","3","2","10","10","2","1") = "9"
    & skf18("5","3","2","10","10","3","1") = "9"
    & skf18("5","3","2","10","10","4","1") = "9"
    & skf18("5","3","2","10","10","5","1") = "9"
    & skf18("5","3","2","10","10","6","1") = "9"
    & skf18("5","3","2","10","10","7","1") = "9"
    & skf18("5","3","2","10","10","8","1") = "9"
    & skf18("5","3","2","10","10","9","1") = "9"
    & skf18("5","3","2","10","10","10","1") = "9"
    & skf18("5","3","3","1","1","1","1") = "4"
    & skf18("5","3","3","1","1","2","1") = "4"
    & skf18("5","3","3","1","1","3","1") = "4"
    & skf18("5","3","3","1","1","4","1") = "4"
    & skf18("5","3","3","1","1","5","1") = "4"
    & skf18("5","3","3","1","1","6","1") = "5"
    & skf18("5","3","3","1","1","7","1") = "6"
    & skf18("5","3","3","1","1","8","1") = "7"
    & skf18("5","3","3","1","1","9","1") = "8"
    & skf18("5","3","3","1","1","10","1") = "9"
    & skf18("5","3","3","1","2","1","1") = "4"
    & skf18("5","3","3","1","2","2","1") = "4"
    & skf18("5","3","3","1","2","3","1") = "4"
    & skf18("5","3","3","1","2","4","1") = "4"
    & skf18("5","3","3","1","2","5","1") = "4"
    & skf18("5","3","3","1","2","6","1") = "5"
    & skf18("5","3","3","1","2","7","1") = "6"
    & skf18("5","3","3","1","2","8","1") = "7"
    & skf18("5","3","3","1","2","9","1") = "8"
    & skf18("5","3","3","1","2","10","1") = "9"
    & skf18("5","3","3","1","3","1","1") = "4"
    & skf18("5","3","3","1","3","2","1") = "4"
    & skf18("5","3","3","1","3","3","1") = "4"
    & skf18("5","3","3","1","3","4","1") = "4"
    & skf18("5","3","3","1","3","5","1") = "4"
    & skf18("5","3","3","1","3","6","1") = "5"
    & skf18("5","3","3","1","3","7","1") = "6"
    & skf18("5","3","3","1","3","8","1") = "7"
    & skf18("5","3","3","1","3","9","1") = "8"
    & skf18("5","3","3","1","3","10","1") = "9"
    & skf18("5","3","3","1","4","1","1") = "4"
    & skf18("5","3","3","1","4","2","1") = "4"
    & skf18("5","3","3","1","4","3","1") = "4"
    & skf18("5","3","3","1","4","4","1") = "4"
    & skf18("5","3","3","1","4","5","1") = "4"
    & skf18("5","3","3","1","4","6","1") = "5"
    & skf18("5","3","3","1","4","7","1") = "6"
    & skf18("5","3","3","1","4","8","1") = "7"
    & skf18("5","3","3","1","4","9","1") = "8"
    & skf18("5","3","3","1","4","10","1") = "9"
    & skf18("5","3","3","1","5","1","1") = "4"
    & skf18("5","3","3","1","5","2","1") = "4"
    & skf18("5","3","3","1","5","3","1") = "4"
    & skf18("5","3","3","1","5","4","1") = "4"
    & skf18("5","3","3","1","5","5","1") = "4"
    & skf18("5","3","3","1","5","6","1") = "5"
    & skf18("5","3","3","1","5","7","1") = "6"
    & skf18("5","3","3","1","5","8","1") = "7"
    & skf18("5","3","3","1","5","9","1") = "8"
    & skf18("5","3","3","1","5","10","1") = "9"
    & skf18("5","3","3","1","6","1","1") = "5"
    & skf18("5","3","3","1","6","2","1") = "5"
    & skf18("5","3","3","1","6","3","1") = "5"
    & skf18("5","3","3","1","6","4","1") = "5"
    & skf18("5","3","3","1","6","5","1") = "5"
    & skf18("5","3","3","1","6","6","1") = "5"
    & skf18("5","3","3","1","6","7","1") = "6"
    & skf18("5","3","3","1","6","8","1") = "7"
    & skf18("5","3","3","1","6","9","1") = "8"
    & skf18("5","3","3","1","6","10","1") = "9"
    & skf18("5","3","3","1","7","1","1") = "6"
    & skf18("5","3","3","1","7","2","1") = "6"
    & skf18("5","3","3","1","7","3","1") = "6"
    & skf18("5","3","3","1","7","4","1") = "6"
    & skf18("5","3","3","1","7","5","1") = "6"
    & skf18("5","3","3","1","7","6","1") = "6"
    & skf18("5","3","3","1","7","7","1") = "6"
    & skf18("5","3","3","1","7","8","1") = "7"
    & skf18("5","3","3","1","7","9","1") = "8"
    & skf18("5","3","3","1","7","10","1") = "9"
    & skf18("5","3","3","1","8","1","1") = "7"
    & skf18("5","3","3","1","8","2","1") = "7"
    & skf18("5","3","3","1","8","3","1") = "7"
    & skf18("5","3","3","1","8","4","1") = "7"
    & skf18("5","3","3","1","8","5","1") = "7"
    & skf18("5","3","3","1","8","6","1") = "7"
    & skf18("5","3","3","1","8","7","1") = "7"
    & skf18("5","3","3","1","8","8","1") = "7"
    & skf18("5","3","3","1","8","9","1") = "8"
    & skf18("5","3","3","1","8","10","1") = "9"
    & skf18("5","3","3","1","9","1","1") = "8"
    & skf18("5","3","3","1","9","2","1") = "8"
    & skf18("5","3","3","1","9","3","1") = "8"
    & skf18("5","3","3","1","9","4","1") = "8"
    & skf18("5","3","3","1","9","5","1") = "8"
    & skf18("5","3","3","1","9","6","1") = "8"
    & skf18("5","3","3","1","9","7","1") = "8"
    & skf18("5","3","3","1","9","8","1") = "8"
    & skf18("5","3","3","1","9","9","1") = "8"
    & skf18("5","3","3","1","9","10","1") = "9"
    & skf18("5","3","3","1","10","1","1") = "9"
    & skf18("5","3","3","1","10","2","1") = "9"
    & skf18("5","3","3","1","10","3","1") = "9"
    & skf18("5","3","3","1","10","4","1") = "9"
    & skf18("5","3","3","1","10","5","1") = "9"
    & skf18("5","3","3","1","10","6","1") = "9"
    & skf18("5","3","3","1","10","7","1") = "9"
    & skf18("5","3","3","1","10","8","1") = "9"
    & skf18("5","3","3","1","10","9","1") = "9"
    & skf18("5","3","3","1","10","10","1") = "9"
    & skf18("5","3","3","2","1","1","1") = "4"
    & skf18("5","3","3","2","1","2","1") = "4"
    & skf18("5","3","3","2","1","3","1") = "4"
    & skf18("5","3","3","2","1","4","1") = "4"
    & skf18("5","3","3","2","1","5","1") = "4"
    & skf18("5","3","3","2","1","6","1") = "5"
    & skf18("5","3","3","2","1","7","1") = "6"
    & skf18("5","3","3","2","1","8","1") = "7"
    & skf18("5","3","3","2","1","9","1") = "8"
    & skf18("5","3","3","2","1","10","1") = "9"
    & skf18("5","3","3","2","2","1","1") = "4"
    & skf18("5","3","3","2","2","2","1") = "4"
    & skf18("5","3","3","2","2","3","1") = "4"
    & skf18("5","3","3","2","2","4","1") = "4"
    & skf18("5","3","3","2","2","5","1") = "4"
    & skf18("5","3","3","2","2","6","1") = "5"
    & skf18("5","3","3","2","2","7","1") = "6"
    & skf18("5","3","3","2","2","8","1") = "7"
    & skf18("5","3","3","2","2","9","1") = "8"
    & skf18("5","3","3","2","2","10","1") = "9"
    & skf18("5","3","3","2","3","1","1") = "4"
    & skf18("5","3","3","2","3","2","1") = "4"
    & skf18("5","3","3","2","3","3","1") = "4"
    & skf18("5","3","3","2","3","4","1") = "4"
    & skf18("5","3","3","2","3","5","1") = "4"
    & skf18("5","3","3","2","3","6","1") = "5"
    & skf18("5","3","3","2","3","7","1") = "6"
    & skf18("5","3","3","2","3","8","1") = "7"
    & skf18("5","3","3","2","3","9","1") = "8"
    & skf18("5","3","3","2","3","10","1") = "9"
    & skf18("5","3","3","2","4","1","1") = "4"
    & skf18("5","3","3","2","4","2","1") = "4"
    & skf18("5","3","3","2","4","3","1") = "4"
    & skf18("5","3","3","2","4","4","1") = "4"
    & skf18("5","3","3","2","4","5","1") = "4"
    & skf18("5","3","3","2","4","6","1") = "5"
    & skf18("5","3","3","2","4","7","1") = "6"
    & skf18("5","3","3","2","4","8","1") = "7"
    & skf18("5","3","3","2","4","9","1") = "8"
    & skf18("5","3","3","2","4","10","1") = "9"
    & skf18("5","3","3","2","5","1","1") = "4"
    & skf18("5","3","3","2","5","2","1") = "4"
    & skf18("5","3","3","2","5","3","1") = "4"
    & skf18("5","3","3","2","5","4","1") = "4"
    & skf18("5","3","3","2","5","5","1") = "4"
    & skf18("5","3","3","2","5","6","1") = "5"
    & skf18("5","3","3","2","5","7","1") = "6"
    & skf18("5","3","3","2","5","8","1") = "7"
    & skf18("5","3","3","2","5","9","1") = "8"
    & skf18("5","3","3","2","5","10","1") = "9"
    & skf18("5","3","3","2","6","1","1") = "5"
    & skf18("5","3","3","2","6","2","1") = "5"
    & skf18("5","3","3","2","6","3","1") = "5"
    & skf18("5","3","3","2","6","4","1") = "5"
    & skf18("5","3","3","2","6","5","1") = "5"
    & skf18("5","3","3","2","6","6","1") = "5"
    & skf18("5","3","3","2","6","7","1") = "6"
    & skf18("5","3","3","2","6","8","1") = "7"
    & skf18("5","3","3","2","6","9","1") = "8"
    & skf18("5","3","3","2","6","10","1") = "9"
    & skf18("5","3","3","2","7","1","1") = "6"
    & skf18("5","3","3","2","7","2","1") = "6"
    & skf18("5","3","3","2","7","3","1") = "6"
    & skf18("5","3","3","2","7","4","1") = "6"
    & skf18("5","3","3","2","7","5","1") = "6"
    & skf18("5","3","3","2","7","6","1") = "6"
    & skf18("5","3","3","2","7","7","1") = "6"
    & skf18("5","3","3","2","7","8","1") = "7"
    & skf18("5","3","3","2","7","9","1") = "8"
    & skf18("5","3","3","2","7","10","1") = "9"
    & skf18("5","3","3","2","8","1","1") = "7"
    & skf18("5","3","3","2","8","2","1") = "7"
    & skf18("5","3","3","2","8","3","1") = "7"
    & skf18("5","3","3","2","8","4","1") = "7"
    & skf18("5","3","3","2","8","5","1") = "7"
    & skf18("5","3","3","2","8","6","1") = "7"
    & skf18("5","3","3","2","8","7","1") = "7"
    & skf18("5","3","3","2","8","8","1") = "7"
    & skf18("5","3","3","2","8","9","1") = "8"
    & skf18("5","3","3","2","8","10","1") = "9"
    & skf18("5","3","3","2","9","1","1") = "8"
    & skf18("5","3","3","2","9","2","1") = "8"
    & skf18("5","3","3","2","9","3","1") = "8"
    & skf18("5","3","3","2","9","4","1") = "8"
    & skf18("5","3","3","2","9","5","1") = "8"
    & skf18("5","3","3","2","9","6","1") = "8"
    & skf18("5","3","3","2","9","7","1") = "8"
    & skf18("5","3","3","2","9","8","1") = "8"
    & skf18("5","3","3","2","9","9","1") = "8"
    & skf18("5","3","3","2","9","10","1") = "9"
    & skf18("5","3","3","2","10","1","1") = "9"
    & skf18("5","3","3","2","10","2","1") = "9"
    & skf18("5","3","3","2","10","3","1") = "9"
    & skf18("5","3","3","2","10","4","1") = "9"
    & skf18("5","3","3","2","10","5","1") = "9"
    & skf18("5","3","3","2","10","6","1") = "9"
    & skf18("5","3","3","2","10","7","1") = "9"
    & skf18("5","3","3","2","10","8","1") = "9"
    & skf18("5","3","3","2","10","9","1") = "9"
    & skf18("5","3","3","2","10","10","1") = "9"
    & skf18("5","3","3","3","1","1","1") = "4"
    & skf18("5","3","3","3","1","2","1") = "4"
    & skf18("5","3","3","3","1","3","1") = "4"
    & skf18("5","3","3","3","1","4","1") = "4"
    & skf18("5","3","3","3","1","5","1") = "4"
    & skf18("5","3","3","3","1","6","1") = "5"
    & skf18("5","3","3","3","1","7","1") = "6"
    & skf18("5","3","3","3","1","8","1") = "7"
    & skf18("5","3","3","3","1","9","1") = "8"
    & skf18("5","3","3","3","1","10","1") = "9"
    & skf18("5","3","3","3","2","1","1") = "4"
    & skf18("5","3","3","3","2","2","1") = "4"
    & skf18("5","3","3","3","2","3","1") = "4"
    & skf18("5","3","3","3","2","4","1") = "4"
    & skf18("5","3","3","3","2","5","1") = "4"
    & skf18("5","3","3","3","2","6","1") = "5"
    & skf18("5","3","3","3","2","7","1") = "6"
    & skf18("5","3","3","3","2","8","1") = "7"
    & skf18("5","3","3","3","2","9","1") = "8"
    & skf18("5","3","3","3","2","10","1") = "9"
    & skf18("5","3","3","3","3","1","1") = "4"
    & skf18("5","3","3","3","3","2","1") = "4"
    & skf18("5","3","3","3","3","3","1") = "4"
    & skf18("5","3","3","3","3","4","1") = "4"
    & skf18("5","3","3","3","3","5","1") = "4"
    & skf18("5","3","3","3","3","6","1") = "5"
    & skf18("5","3","3","3","3","7","1") = "6"
    & skf18("5","3","3","3","3","8","1") = "7"
    & skf18("5","3","3","3","3","9","1") = "8"
    & skf18("5","3","3","3","3","10","1") = "9"
    & skf18("5","3","3","3","4","1","1") = "4"
    & skf18("5","3","3","3","4","2","1") = "4"
    & skf18("5","3","3","3","4","3","1") = "4"
    & skf18("5","3","3","3","4","4","1") = "4"
    & skf18("5","3","3","3","4","5","1") = "4"
    & skf18("5","3","3","3","4","6","1") = "5"
    & skf18("5","3","3","3","4","7","1") = "6"
    & skf18("5","3","3","3","4","8","1") = "7"
    & skf18("5","3","3","3","4","9","1") = "8"
    & skf18("5","3","3","3","4","10","1") = "9"
    & skf18("5","3","3","3","5","1","1") = "4"
    & skf18("5","3","3","3","5","2","1") = "4"
    & skf18("5","3","3","3","5","3","1") = "4"
    & skf18("5","3","3","3","5","4","1") = "4"
    & skf18("5","3","3","3","5","5","1") = "4"
    & skf18("5","3","3","3","5","6","1") = "5"
    & skf18("5","3","3","3","5","7","1") = "6"
    & skf18("5","3","3","3","5","8","1") = "7"
    & skf18("5","3","3","3","5","9","1") = "8"
    & skf18("5","3","3","3","5","10","1") = "9"
    & skf18("5","3","3","3","6","1","1") = "5"
    & skf18("5","3","3","3","6","2","1") = "5"
    & skf18("5","3","3","3","6","3","1") = "5"
    & skf18("5","3","3","3","6","4","1") = "5"
    & skf18("5","3","3","3","6","5","1") = "5"
    & skf18("5","3","3","3","6","6","1") = "5"
    & skf18("5","3","3","3","6","7","1") = "6"
    & skf18("5","3","3","3","6","8","1") = "7"
    & skf18("5","3","3","3","6","9","1") = "8"
    & skf18("5","3","3","3","6","10","1") = "9"
    & skf18("5","3","3","3","7","1","1") = "6"
    & skf18("5","3","3","3","7","2","1") = "6"
    & skf18("5","3","3","3","7","3","1") = "6"
    & skf18("5","3","3","3","7","4","1") = "6"
    & skf18("5","3","3","3","7","5","1") = "6"
    & skf18("5","3","3","3","7","6","1") = "6"
    & skf18("5","3","3","3","7","7","1") = "6"
    & skf18("5","3","3","3","7","8","1") = "7"
    & skf18("5","3","3","3","7","9","1") = "8"
    & skf18("5","3","3","3","7","10","1") = "9"
    & skf18("5","3","3","3","8","1","1") = "7"
    & skf18("5","3","3","3","8","2","1") = "7"
    & skf18("5","3","3","3","8","3","1") = "7"
    & skf18("5","3","3","3","8","4","1") = "7"
    & skf18("5","3","3","3","8","5","1") = "7"
    & skf18("5","3","3","3","8","6","1") = "7"
    & skf18("5","3","3","3","8","7","1") = "7"
    & skf18("5","3","3","3","8","8","1") = "7"
    & skf18("5","3","3","3","8","9","1") = "8"
    & skf18("5","3","3","3","8","10","1") = "9"
    & skf18("5","3","3","3","9","1","1") = "8"
    & skf18("5","3","3","3","9","2","1") = "8"
    & skf18("5","3","3","3","9","3","1") = "8"
    & skf18("5","3","3","3","9","4","1") = "8"
    & skf18("5","3","3","3","9","5","1") = "8"
    & skf18("5","3","3","3","9","6","1") = "8"
    & skf18("5","3","3","3","9","7","1") = "8"
    & skf18("5","3","3","3","9","8","1") = "8"
    & skf18("5","3","3","3","9","9","1") = "8"
    & skf18("5","3","3","3","9","10","1") = "9"
    & skf18("5","3","3","3","10","1","1") = "9"
    & skf18("5","3","3","3","10","2","1") = "9"
    & skf18("5","3","3","3","10","3","1") = "9"
    & skf18("5","3","3","3","10","4","1") = "9"
    & skf18("5","3","3","3","10","5","1") = "9"
    & skf18("5","3","3","3","10","6","1") = "9"
    & skf18("5","3","3","3","10","7","1") = "9"
    & skf18("5","3","3","3","10","8","1") = "9"
    & skf18("5","3","3","3","10","9","1") = "9"
    & skf18("5","3","3","3","10","10","1") = "9"
    & skf18("5","3","3","4","1","1","1") = "4"
    & skf18("5","3","3","4","1","2","1") = "4"
    & skf18("5","3","3","4","1","3","1") = "4"
    & skf18("5","3","3","4","1","4","1") = "4"
    & skf18("5","3","3","4","1","5","1") = "4"
    & skf18("5","3","3","4","1","6","1") = "5"
    & skf18("5","3","3","4","1","7","1") = "6"
    & skf18("5","3","3","4","1","8","1") = "7"
    & skf18("5","3","3","4","1","9","1") = "8"
    & skf18("5","3","3","4","1","10","1") = "9"
    & skf18("5","3","3","4","2","1","1") = "4"
    & skf18("5","3","3","4","2","2","1") = "4"
    & skf18("5","3","3","4","2","3","1") = "4"
    & skf18("5","3","3","4","2","4","1") = "4"
    & skf18("5","3","3","4","2","5","1") = "4"
    & skf18("5","3","3","4","2","6","1") = "5"
    & skf18("5","3","3","4","2","7","1") = "6"
    & skf18("5","3","3","4","2","8","1") = "7"
    & skf18("5","3","3","4","2","9","1") = "8"
    & skf18("5","3","3","4","2","10","1") = "9"
    & skf18("5","3","3","4","3","1","1") = "4"
    & skf18("5","3","3","4","3","2","1") = "4"
    & skf18("5","3","3","4","3","3","1") = "4"
    & skf18("5","3","3","4","3","4","1") = "4"
    & skf18("5","3","3","4","3","5","1") = "4"
    & skf18("5","3","3","4","3","6","1") = "5"
    & skf18("5","3","3","4","3","7","1") = "6"
    & skf18("5","3","3","4","3","8","1") = "7"
    & skf18("5","3","3","4","3","9","1") = "8"
    & skf18("5","3","3","4","3","10","1") = "9"
    & skf18("5","3","3","4","4","1","1") = "4"
    & skf18("5","3","3","4","4","2","1") = "4"
    & skf18("5","3","3","4","4","3","1") = "4"
    & skf18("5","3","3","4","4","4","1") = "4"
    & skf18("5","3","3","4","4","5","1") = "4"
    & skf18("5","3","3","4","4","6","1") = "5"
    & skf18("5","3","3","4","4","7","1") = "6"
    & skf18("5","3","3","4","4","8","1") = "7"
    & skf18("5","3","3","4","4","9","1") = "8"
    & skf18("5","3","3","4","4","10","1") = "9"
    & skf18("5","3","3","4","5","1","1") = "4"
    & skf18("5","3","3","4","5","2","1") = "4"
    & skf18("5","3","3","4","5","3","1") = "4"
    & skf18("5","3","3","4","5","4","1") = "4"
    & skf18("5","3","3","4","5","5","1") = "4"
    & skf18("5","3","3","4","5","6","1") = "5"
    & skf18("5","3","3","4","5","7","1") = "6"
    & skf18("5","3","3","4","5","8","1") = "7"
    & skf18("5","3","3","4","5","9","1") = "8"
    & skf18("5","3","3","4","5","10","1") = "9"
    & skf18("5","3","3","4","6","1","1") = "5"
    & skf18("5","3","3","4","6","2","1") = "5"
    & skf18("5","3","3","4","6","3","1") = "5"
    & skf18("5","3","3","4","6","4","1") = "5"
    & skf18("5","3","3","4","6","5","1") = "5"
    & skf18("5","3","3","4","6","6","1") = "5"
    & skf18("5","3","3","4","6","7","1") = "6"
    & skf18("5","3","3","4","6","8","1") = "7"
    & skf18("5","3","3","4","6","9","1") = "8"
    & skf18("5","3","3","4","6","10","1") = "9"
    & skf18("5","3","3","4","7","1","1") = "6"
    & skf18("5","3","3","4","7","2","1") = "6"
    & skf18("5","3","3","4","7","3","1") = "6"
    & skf18("5","3","3","4","7","4","1") = "6"
    & skf18("5","3","3","4","7","5","1") = "6"
    & skf18("5","3","3","4","7","6","1") = "6"
    & skf18("5","3","3","4","7","7","1") = "6"
    & skf18("5","3","3","4","7","8","1") = "7"
    & skf18("5","3","3","4","7","9","1") = "8"
    & skf18("5","3","3","4","7","10","1") = "9"
    & skf18("5","3","3","4","8","1","1") = "7"
    & skf18("5","3","3","4","8","2","1") = "7"
    & skf18("5","3","3","4","8","3","1") = "7"
    & skf18("5","3","3","4","8","4","1") = "7"
    & skf18("5","3","3","4","8","5","1") = "7"
    & skf18("5","3","3","4","8","6","1") = "7"
    & skf18("5","3","3","4","8","7","1") = "7"
    & skf18("5","3","3","4","8","8","1") = "7"
    & skf18("5","3","3","4","8","9","1") = "8"
    & skf18("5","3","3","4","8","10","1") = "9"
    & skf18("5","3","3","4","9","1","1") = "8"
    & skf18("5","3","3","4","9","2","1") = "8"
    & skf18("5","3","3","4","9","3","1") = "8"
    & skf18("5","3","3","4","9","4","1") = "8"
    & skf18("5","3","3","4","9","5","1") = "8"
    & skf18("5","3","3","4","9","6","1") = "8"
    & skf18("5","3","3","4","9","7","1") = "8"
    & skf18("5","3","3","4","9","8","1") = "8"
    & skf18("5","3","3","4","9","9","1") = "8"
    & skf18("5","3","3","4","9","10","1") = "9"
    & skf18("5","3","3","4","10","1","1") = "9"
    & skf18("5","3","3","4","10","2","1") = "9"
    & skf18("5","3","3","4","10","3","1") = "9"
    & skf18("5","3","3","4","10","4","1") = "9"
    & skf18("5","3","3","4","10","5","1") = "9"
    & skf18("5","3","3","4","10","6","1") = "9"
    & skf18("5","3","3","4","10","7","1") = "9"
    & skf18("5","3","3","4","10","8","1") = "9"
    & skf18("5","3","3","4","10","9","1") = "9"
    & skf18("5","3","3","4","10","10","1") = "9"
    & skf18("5","3","3","5","1","1","1") = "4"
    & skf18("5","3","3","5","1","2","1") = "4"
    & skf18("5","3","3","5","1","3","1") = "4"
    & skf18("5","3","3","5","1","4","1") = "4"
    & skf18("5","3","3","5","1","5","1") = "4"
    & skf18("5","3","3","5","1","6","1") = "5"
    & skf18("5","3","3","5","1","7","1") = "6"
    & skf18("5","3","3","5","1","8","1") = "7"
    & skf18("5","3","3","5","1","9","1") = "8"
    & skf18("5","3","3","5","1","10","1") = "9"
    & skf18("5","3","3","5","2","1","1") = "4"
    & skf18("5","3","3","5","2","2","1") = "4"
    & skf18("5","3","3","5","2","3","1") = "4"
    & skf18("5","3","3","5","2","4","1") = "4"
    & skf18("5","3","3","5","2","5","1") = "4"
    & skf18("5","3","3","5","2","6","1") = "5"
    & skf18("5","3","3","5","2","7","1") = "6"
    & skf18("5","3","3","5","2","8","1") = "7"
    & skf18("5","3","3","5","2","9","1") = "8"
    & skf18("5","3","3","5","2","10","1") = "9"
    & skf18("5","3","3","5","3","1","1") = "4"
    & skf18("5","3","3","5","3","2","1") = "4"
    & skf18("5","3","3","5","3","3","1") = "4"
    & skf18("5","3","3","5","3","4","1") = "4"
    & skf18("5","3","3","5","3","5","1") = "4"
    & skf18("5","3","3","5","3","6","1") = "5"
    & skf18("5","3","3","5","3","7","1") = "6"
    & skf18("5","3","3","5","3","8","1") = "7"
    & skf18("5","3","3","5","3","9","1") = "8"
    & skf18("5","3","3","5","3","10","1") = "9"
    & skf18("5","3","3","5","4","1","1") = "4"
    & skf18("5","3","3","5","4","2","1") = "4"
    & skf18("5","3","3","5","4","3","1") = "4"
    & skf18("5","3","3","5","4","4","1") = "4"
    & skf18("5","3","3","5","4","5","1") = "4"
    & skf18("5","3","3","5","4","6","1") = "5"
    & skf18("5","3","3","5","4","7","1") = "6"
    & skf18("5","3","3","5","4","8","1") = "7"
    & skf18("5","3","3","5","4","9","1") = "8"
    & skf18("5","3","3","5","4","10","1") = "9"
    & skf18("5","3","3","5","5","1","1") = "4"
    & skf18("5","3","3","5","5","2","1") = "4"
    & skf18("5","3","3","5","5","3","1") = "4"
    & skf18("5","3","3","5","5","4","1") = "4"
    & skf18("5","3","3","5","5","5","1") = "4"
    & skf18("5","3","3","5","5","6","1") = "5"
    & skf18("5","3","3","5","5","7","1") = "6"
    & skf18("5","3","3","5","5","8","1") = "7"
    & skf18("5","3","3","5","5","9","1") = "8"
    & skf18("5","3","3","5","5","10","1") = "9"
    & skf18("5","3","3","5","6","1","1") = "5"
    & skf18("5","3","3","5","6","2","1") = "5"
    & skf18("5","3","3","5","6","3","1") = "5"
    & skf18("5","3","3","5","6","4","1") = "5"
    & skf18("5","3","3","5","6","5","1") = "5"
    & skf18("5","3","3","5","6","6","1") = "5"
    & skf18("5","3","3","5","6","7","1") = "6"
    & skf18("5","3","3","5","6","8","1") = "7"
    & skf18("5","3","3","5","6","9","1") = "8"
    & skf18("5","3","3","5","6","10","1") = "9"
    & skf18("5","3","3","5","7","1","1") = "6"
    & skf18("5","3","3","5","7","2","1") = "6"
    & skf18("5","3","3","5","7","3","1") = "6"
    & skf18("5","3","3","5","7","4","1") = "6"
    & skf18("5","3","3","5","7","5","1") = "6"
    & skf18("5","3","3","5","7","6","1") = "6"
    & skf18("5","3","3","5","7","7","1") = "6"
    & skf18("5","3","3","5","7","8","1") = "7"
    & skf18("5","3","3","5","7","9","1") = "8"
    & skf18("5","3","3","5","7","10","1") = "9"
    & skf18("5","3","3","5","8","1","1") = "7"
    & skf18("5","3","3","5","8","2","1") = "7"
    & skf18("5","3","3","5","8","3","1") = "7"
    & skf18("5","3","3","5","8","4","1") = "7"
    & skf18("5","3","3","5","8","5","1") = "7"
    & skf18("5","3","3","5","8","6","1") = "7"
    & skf18("5","3","3","5","8","7","1") = "7"
    & skf18("5","3","3","5","8","8","1") = "7"
    & skf18("5","3","3","5","8","9","1") = "8"
    & skf18("5","3","3","5","8","10","1") = "9"
    & skf18("5","3","3","5","9","1","1") = "8"
    & skf18("5","3","3","5","9","2","1") = "8"
    & skf18("5","3","3","5","9","3","1") = "8"
    & skf18("5","3","3","5","9","4","1") = "8"
    & skf18("5","3","3","5","9","5","1") = "8"
    & skf18("5","3","3","5","9","6","1") = "8"
    & skf18("5","3","3","5","9","7","1") = "8"
    & skf18("5","3","3","5","9","8","1") = "8"
    & skf18("5","3","3","5","9","9","1") = "8"
    & skf18("5","3","3","5","9","10","1") = "9"
    & skf18("5","3","3","5","10","1","1") = "9"
    & skf18("5","3","3","5","10","2","1") = "9"
    & skf18("5","3","3","5","10","3","1") = "9"
    & skf18("5","3","3","5","10","4","1") = "9"
    & skf18("5","3","3","5","10","5","1") = "9"
    & skf18("5","3","3","5","10","6","1") = "9"
    & skf18("5","3","3","5","10","7","1") = "9"
    & skf18("5","3","3","5","10","8","1") = "9"
    & skf18("5","3","3","5","10","9","1") = "9"
    & skf18("5","3","3","5","10","10","1") = "9"
    & skf18("5","3","3","6","1","1","1") = "5"
    & skf18("5","3","3","6","1","2","1") = "5"
    & skf18("5","3","3","6","1","3","1") = "5"
    & skf18("5","3","3","6","1","4","1") = "5"
    & skf18("5","3","3","6","1","5","1") = "5"
    & skf18("5","3","3","6","1","6","1") = "5"
    & skf18("5","3","3","6","1","7","1") = "6"
    & skf18("5","3","3","6","1","8","1") = "7"
    & skf18("5","3","3","6","1","9","1") = "8"
    & skf18("5","3","3","6","1","10","1") = "9"
    & skf18("5","3","3","6","2","1","1") = "5"
    & skf18("5","3","3","6","2","2","1") = "5"
    & skf18("5","3","3","6","2","3","1") = "5"
    & skf18("5","3","3","6","2","4","1") = "5"
    & skf18("5","3","3","6","2","5","1") = "5"
    & skf18("5","3","3","6","2","6","1") = "5"
    & skf18("5","3","3","6","2","7","1") = "6"
    & skf18("5","3","3","6","2","8","1") = "7"
    & skf18("5","3","3","6","2","9","1") = "8"
    & skf18("5","3","3","6","2","10","1") = "9"
    & skf18("5","3","3","6","3","1","1") = "5"
    & skf18("5","3","3","6","3","2","1") = "5"
    & skf18("5","3","3","6","3","3","1") = "5"
    & skf18("5","3","3","6","3","4","1") = "5"
    & skf18("5","3","3","6","3","5","1") = "5"
    & skf18("5","3","3","6","3","6","1") = "5"
    & skf18("5","3","3","6","3","7","1") = "6"
    & skf18("5","3","3","6","3","8","1") = "7"
    & skf18("5","3","3","6","3","9","1") = "8"
    & skf18("5","3","3","6","3","10","1") = "9"
    & skf18("5","3","3","6","4","1","1") = "5"
    & skf18("5","3","3","6","4","2","1") = "5"
    & skf18("5","3","3","6","4","3","1") = "5"
    & skf18("5","3","3","6","4","4","1") = "5"
    & skf18("5","3","3","6","4","5","1") = "5"
    & skf18("5","3","3","6","4","6","1") = "5"
    & skf18("5","3","3","6","4","7","1") = "6"
    & skf18("5","3","3","6","4","8","1") = "7"
    & skf18("5","3","3","6","4","9","1") = "8"
    & skf18("5","3","3","6","4","10","1") = "9"
    & skf18("5","3","3","6","5","1","1") = "5"
    & skf18("5","3","3","6","5","2","1") = "5"
    & skf18("5","3","3","6","5","3","1") = "5"
    & skf18("5","3","3","6","5","4","1") = "5"
    & skf18("5","3","3","6","5","5","1") = "5"
    & skf18("5","3","3","6","5","6","1") = "5"
    & skf18("5","3","3","6","5","7","1") = "6"
    & skf18("5","3","3","6","5","8","1") = "7"
    & skf18("5","3","3","6","5","9","1") = "8"
    & skf18("5","3","3","6","5","10","1") = "9"
    & skf18("5","3","3","6","6","1","1") = "5"
    & skf18("5","3","3","6","6","2","1") = "5"
    & skf18("5","3","3","6","6","3","1") = "5"
    & skf18("5","3","3","6","6","4","1") = "5"
    & skf18("5","3","3","6","6","5","1") = "5"
    & skf18("5","3","3","6","6","6","1") = "5"
    & skf18("5","3","3","6","6","7","1") = "6"
    & skf18("5","3","3","6","6","8","1") = "7"
    & skf18("5","3","3","6","6","9","1") = "8"
    & skf18("5","3","3","6","6","10","1") = "9"
    & skf18("5","3","3","6","7","1","1") = "6"
    & skf18("5","3","3","6","7","2","1") = "6"
    & skf18("5","3","3","6","7","3","1") = "6"
    & skf18("5","3","3","6","7","4","1") = "6"
    & skf18("5","3","3","6","7","5","1") = "6"
    & skf18("5","3","3","6","7","6","1") = "6"
    & skf18("5","3","3","6","7","7","1") = "6"
    & skf18("5","3","3","6","7","8","1") = "7"
    & skf18("5","3","3","6","7","9","1") = "8"
    & skf18("5","3","3","6","7","10","1") = "9"
    & skf18("5","3","3","6","8","1","1") = "7"
    & skf18("5","3","3","6","8","2","1") = "7"
    & skf18("5","3","3","6","8","3","1") = "7"
    & skf18("5","3","3","6","8","4","1") = "7"
    & skf18("5","3","3","6","8","5","1") = "7"
    & skf18("5","3","3","6","8","6","1") = "7"
    & skf18("5","3","3","6","8","7","1") = "7"
    & skf18("5","3","3","6","8","8","1") = "7"
    & skf18("5","3","3","6","8","9","1") = "8"
    & skf18("5","3","3","6","8","10","1") = "9"
    & skf18("5","3","3","6","9","1","1") = "8"
    & skf18("5","3","3","6","9","2","1") = "8"
    & skf18("5","3","3","6","9","3","1") = "8"
    & skf18("5","3","3","6","9","4","1") = "8"
    & skf18("5","3","3","6","9","5","1") = "8"
    & skf18("5","3","3","6","9","6","1") = "8"
    & skf18("5","3","3","6","9","7","1") = "8"
    & skf18("5","3","3","6","9","8","1") = "8"
    & skf18("5","3","3","6","9","9","1") = "8"
    & skf18("5","3","3","6","9","10","1") = "9"
    & skf18("5","3","3","6","10","1","1") = "9"
    & skf18("5","3","3","6","10","2","1") = "9"
    & skf18("5","3","3","6","10","3","1") = "9"
    & skf18("5","3","3","6","10","4","1") = "9"
    & skf18("5","3","3","6","10","5","1") = "9"
    & skf18("5","3","3","6","10","6","1") = "9"
    & skf18("5","3","3","6","10","7","1") = "9"
    & skf18("5","3","3","6","10","8","1") = "9"
    & skf18("5","3","3","6","10","9","1") = "9"
    & skf18("5","3","3","6","10","10","1") = "9"
    & skf18("5","3","3","7","1","1","1") = "6"
    & skf18("5","3","3","7","1","2","1") = "6"
    & skf18("5","3","3","7","1","3","1") = "6"
    & skf18("5","3","3","7","1","4","1") = "6"
    & skf18("5","3","3","7","1","5","1") = "6"
    & skf18("5","3","3","7","1","6","1") = "6"
    & skf18("5","3","3","7","1","7","1") = "6"
    & skf18("5","3","3","7","1","8","1") = "7"
    & skf18("5","3","3","7","1","9","1") = "8"
    & skf18("5","3","3","7","1","10","1") = "9"
    & skf18("5","3","3","7","2","1","1") = "6"
    & skf18("5","3","3","7","2","2","1") = "6"
    & skf18("5","3","3","7","2","3","1") = "6"
    & skf18("5","3","3","7","2","4","1") = "6"
    & skf18("5","3","3","7","2","5","1") = "6"
    & skf18("5","3","3","7","2","6","1") = "6"
    & skf18("5","3","3","7","2","7","1") = "6"
    & skf18("5","3","3","7","2","8","1") = "7"
    & skf18("5","3","3","7","2","9","1") = "8"
    & skf18("5","3","3","7","2","10","1") = "9"
    & skf18("5","3","3","7","3","1","1") = "6"
    & skf18("5","3","3","7","3","2","1") = "6"
    & skf18("5","3","3","7","3","3","1") = "6"
    & skf18("5","3","3","7","3","4","1") = "6"
    & skf18("5","3","3","7","3","5","1") = "6"
    & skf18("5","3","3","7","3","6","1") = "6"
    & skf18("5","3","3","7","3","7","1") = "6"
    & skf18("5","3","3","7","3","8","1") = "7"
    & skf18("5","3","3","7","3","9","1") = "8"
    & skf18("5","3","3","7","3","10","1") = "9"
    & skf18("5","3","3","7","4","1","1") = "6"
    & skf18("5","3","3","7","4","2","1") = "6"
    & skf18("5","3","3","7","4","3","1") = "6"
    & skf18("5","3","3","7","4","4","1") = "6"
    & skf18("5","3","3","7","4","5","1") = "6"
    & skf18("5","3","3","7","4","6","1") = "6"
    & skf18("5","3","3","7","4","7","1") = "6"
    & skf18("5","3","3","7","4","8","1") = "7"
    & skf18("5","3","3","7","4","9","1") = "8"
    & skf18("5","3","3","7","4","10","1") = "9"
    & skf18("5","3","3","7","5","1","1") = "6"
    & skf18("5","3","3","7","5","2","1") = "6"
    & skf18("5","3","3","7","5","3","1") = "6"
    & skf18("5","3","3","7","5","4","1") = "6"
    & skf18("5","3","3","7","5","5","1") = "6"
    & skf18("5","3","3","7","5","6","1") = "6"
    & skf18("5","3","3","7","5","7","1") = "6"
    & skf18("5","3","3","7","5","8","1") = "7"
    & skf18("5","3","3","7","5","9","1") = "8"
    & skf18("5","3","3","7","5","10","1") = "9"
    & skf18("5","3","3","7","6","1","1") = "6"
    & skf18("5","3","3","7","6","2","1") = "6"
    & skf18("5","3","3","7","6","3","1") = "6"
    & skf18("5","3","3","7","6","4","1") = "6"
    & skf18("5","3","3","7","6","5","1") = "6"
    & skf18("5","3","3","7","6","6","1") = "6"
    & skf18("5","3","3","7","6","7","1") = "6"
    & skf18("5","3","3","7","6","8","1") = "7"
    & skf18("5","3","3","7","6","9","1") = "8"
    & skf18("5","3","3","7","6","10","1") = "9"
    & skf18("5","3","3","7","7","1","1") = "6"
    & skf18("5","3","3","7","7","2","1") = "6"
    & skf18("5","3","3","7","7","3","1") = "6"
    & skf18("5","3","3","7","7","4","1") = "6"
    & skf18("5","3","3","7","7","5","1") = "6"
    & skf18("5","3","3","7","7","6","1") = "6"
    & skf18("5","3","3","7","7","7","1") = "6"
    & skf18("5","3","3","7","7","8","1") = "7"
    & skf18("5","3","3","7","7","9","1") = "8"
    & skf18("5","3","3","7","7","10","1") = "9"
    & skf18("5","3","3","7","8","1","1") = "7"
    & skf18("5","3","3","7","8","2","1") = "7"
    & skf18("5","3","3","7","8","3","1") = "7"
    & skf18("5","3","3","7","8","4","1") = "7"
    & skf18("5","3","3","7","8","5","1") = "7"
    & skf18("5","3","3","7","8","6","1") = "7"
    & skf18("5","3","3","7","8","7","1") = "7"
    & skf18("5","3","3","7","8","8","1") = "7"
    & skf18("5","3","3","7","8","9","1") = "8"
    & skf18("5","3","3","7","8","10","1") = "9"
    & skf18("5","3","3","7","9","1","1") = "8"
    & skf18("5","3","3","7","9","2","1") = "8"
    & skf18("5","3","3","7","9","3","1") = "8"
    & skf18("5","3","3","7","9","4","1") = "8"
    & skf18("5","3","3","7","9","5","1") = "8"
    & skf18("5","3","3","7","9","6","1") = "8"
    & skf18("5","3","3","7","9","7","1") = "8"
    & skf18("5","3","3","7","9","8","1") = "8"
    & skf18("5","3","3","7","9","9","1") = "8"
    & skf18("5","3","3","7","9","10","1") = "9"
    & skf18("5","3","3","7","10","1","1") = "9"
    & skf18("5","3","3","7","10","2","1") = "9"
    & skf18("5","3","3","7","10","3","1") = "9"
    & skf18("5","3","3","7","10","4","1") = "9"
    & skf18("5","3","3","7","10","5","1") = "9"
    & skf18("5","3","3","7","10","6","1") = "9"
    & skf18("5","3","3","7","10","7","1") = "9"
    & skf18("5","3","3","7","10","8","1") = "9"
    & skf18("5","3","3","7","10","9","1") = "9"
    & skf18("5","3","3","7","10","10","1") = "9"
    & skf18("5","3","3","8","1","1","1") = "7"
    & skf18("5","3","3","8","1","2","1") = "7"
    & skf18("5","3","3","8","1","3","1") = "7"
    & skf18("5","3","3","8","1","4","1") = "7"
    & skf18("5","3","3","8","1","5","1") = "7"
    & skf18("5","3","3","8","1","6","1") = "7"
    & skf18("5","3","3","8","1","7","1") = "7"
    & skf18("5","3","3","8","1","8","1") = "7"
    & skf18("5","3","3","8","1","9","1") = "8"
    & skf18("5","3","3","8","1","10","1") = "9"
    & skf18("5","3","3","8","2","1","1") = "7"
    & skf18("5","3","3","8","2","2","1") = "7"
    & skf18("5","3","3","8","2","3","1") = "7"
    & skf18("5","3","3","8","2","4","1") = "7"
    & skf18("5","3","3","8","2","5","1") = "7"
    & skf18("5","3","3","8","2","6","1") = "7"
    & skf18("5","3","3","8","2","7","1") = "7"
    & skf18("5","3","3","8","2","8","1") = "7"
    & skf18("5","3","3","8","2","9","1") = "8"
    & skf18("5","3","3","8","2","10","1") = "9"
    & skf18("5","3","3","8","3","1","1") = "7"
    & skf18("5","3","3","8","3","2","1") = "7"
    & skf18("5","3","3","8","3","3","1") = "7"
    & skf18("5","3","3","8","3","4","1") = "7"
    & skf18("5","3","3","8","3","5","1") = "7"
    & skf18("5","3","3","8","3","6","1") = "7"
    & skf18("5","3","3","8","3","7","1") = "7"
    & skf18("5","3","3","8","3","8","1") = "7"
    & skf18("5","3","3","8","3","9","1") = "8"
    & skf18("5","3","3","8","3","10","1") = "9"
    & skf18("5","3","3","8","4","1","1") = "7"
    & skf18("5","3","3","8","4","2","1") = "7"
    & skf18("5","3","3","8","4","3","1") = "7"
    & skf18("5","3","3","8","4","4","1") = "7"
    & skf18("5","3","3","8","4","5","1") = "7"
    & skf18("5","3","3","8","4","6","1") = "7"
    & skf18("5","3","3","8","4","7","1") = "7"
    & skf18("5","3","3","8","4","8","1") = "7"
    & skf18("5","3","3","8","4","9","1") = "8"
    & skf18("5","3","3","8","4","10","1") = "9"
    & skf18("5","3","3","8","5","1","1") = "7"
    & skf18("5","3","3","8","5","2","1") = "7"
    & skf18("5","3","3","8","5","3","1") = "7"
    & skf18("5","3","3","8","5","4","1") = "7"
    & skf18("5","3","3","8","5","5","1") = "7"
    & skf18("5","3","3","8","5","6","1") = "7"
    & skf18("5","3","3","8","5","7","1") = "7"
    & skf18("5","3","3","8","5","8","1") = "7"
    & skf18("5","3","3","8","5","9","1") = "8"
    & skf18("5","3","3","8","5","10","1") = "9"
    & skf18("5","3","3","8","6","1","1") = "7"
    & skf18("5","3","3","8","6","2","1") = "7"
    & skf18("5","3","3","8","6","3","1") = "7"
    & skf18("5","3","3","8","6","4","1") = "7"
    & skf18("5","3","3","8","6","5","1") = "7"
    & skf18("5","3","3","8","6","6","1") = "7"
    & skf18("5","3","3","8","6","7","1") = "7"
    & skf18("5","3","3","8","6","8","1") = "7"
    & skf18("5","3","3","8","6","9","1") = "8"
    & skf18("5","3","3","8","6","10","1") = "9"
    & skf18("5","3","3","8","7","1","1") = "7"
    & skf18("5","3","3","8","7","2","1") = "7"
    & skf18("5","3","3","8","7","3","1") = "7"
    & skf18("5","3","3","8","7","4","1") = "7"
    & skf18("5","3","3","8","7","5","1") = "7"
    & skf18("5","3","3","8","7","6","1") = "7"
    & skf18("5","3","3","8","7","7","1") = "7"
    & skf18("5","3","3","8","7","8","1") = "7"
    & skf18("5","3","3","8","7","9","1") = "8"
    & skf18("5","3","3","8","7","10","1") = "9"
    & skf18("5","3","3","8","8","1","1") = "7"
    & skf18("5","3","3","8","8","2","1") = "7"
    & skf18("5","3","3","8","8","3","1") = "7"
    & skf18("5","3","3","8","8","4","1") = "7"
    & skf18("5","3","3","8","8","5","1") = "7"
    & skf18("5","3","3","8","8","6","1") = "7"
    & skf18("5","3","3","8","8","7","1") = "7"
    & skf18("5","3","3","8","8","8","1") = "7"
    & skf18("5","3","3","8","8","9","1") = "8"
    & skf18("5","3","3","8","8","10","1") = "9"
    & skf18("5","3","3","8","9","1","1") = "8"
    & skf18("5","3","3","8","9","2","1") = "8"
    & skf18("5","3","3","8","9","3","1") = "8"
    & skf18("5","3","3","8","9","4","1") = "8"
    & skf18("5","3","3","8","9","5","1") = "8"
    & skf18("5","3","3","8","9","6","1") = "8"
    & skf18("5","3","3","8","9","7","1") = "8"
    & skf18("5","3","3","8","9","8","1") = "8"
    & skf18("5","3","3","8","9","9","1") = "8"
    & skf18("5","3","3","8","9","10","1") = "9"
    & skf18("5","3","3","8","10","1","1") = "9"
    & skf18("5","3","3","8","10","2","1") = "9"
    & skf18("5","3","3","8","10","3","1") = "9"
    & skf18("5","3","3","8","10","4","1") = "9"
    & skf18("5","3","3","8","10","5","1") = "9"
    & skf18("5","3","3","8","10","6","1") = "9"
    & skf18("5","3","3","8","10","7","1") = "9"
    & skf18("5","3","3","8","10","8","1") = "9"
    & skf18("5","3","3","8","10","9","1") = "9"
    & skf18("5","3","3","8","10","10","1") = "9"
    & skf18("5","3","3","9","1","1","1") = "8"
    & skf18("5","3","3","9","1","2","1") = "8"
    & skf18("5","3","3","9","1","3","1") = "8"
    & skf18("5","3","3","9","1","4","1") = "8"
    & skf18("5","3","3","9","1","5","1") = "8"
    & skf18("5","3","3","9","1","6","1") = "8"
    & skf18("5","3","3","9","1","7","1") = "8"
    & skf18("5","3","3","9","1","8","1") = "8"
    & skf18("5","3","3","9","1","9","1") = "8"
    & skf18("5","3","3","9","1","10","1") = "9"
    & skf18("5","3","3","9","2","1","1") = "8"
    & skf18("5","3","3","9","2","2","1") = "8"
    & skf18("5","3","3","9","2","3","1") = "8"
    & skf18("5","3","3","9","2","4","1") = "8"
    & skf18("5","3","3","9","2","5","1") = "8"
    & skf18("5","3","3","9","2","6","1") = "8"
    & skf18("5","3","3","9","2","7","1") = "8"
    & skf18("5","3","3","9","2","8","1") = "8"
    & skf18("5","3","3","9","2","9","1") = "8"
    & skf18("5","3","3","9","2","10","1") = "9"
    & skf18("5","3","3","9","3","1","1") = "8"
    & skf18("5","3","3","9","3","2","1") = "8"
    & skf18("5","3","3","9","3","3","1") = "8"
    & skf18("5","3","3","9","3","4","1") = "8"
    & skf18("5","3","3","9","3","5","1") = "8"
    & skf18("5","3","3","9","3","6","1") = "8"
    & skf18("5","3","3","9","3","7","1") = "8"
    & skf18("5","3","3","9","3","8","1") = "8"
    & skf18("5","3","3","9","3","9","1") = "8"
    & skf18("5","3","3","9","3","10","1") = "9"
    & skf18("5","3","3","9","4","1","1") = "8"
    & skf18("5","3","3","9","4","2","1") = "8"
    & skf18("5","3","3","9","4","3","1") = "8"
    & skf18("5","3","3","9","4","4","1") = "8"
    & skf18("5","3","3","9","4","5","1") = "8"
    & skf18("5","3","3","9","4","6","1") = "8"
    & skf18("5","3","3","9","4","7","1") = "8"
    & skf18("5","3","3","9","4","8","1") = "8"
    & skf18("5","3","3","9","4","9","1") = "8"
    & skf18("5","3","3","9","4","10","1") = "9"
    & skf18("5","3","3","9","5","1","1") = "8"
    & skf18("5","3","3","9","5","2","1") = "8"
    & skf18("5","3","3","9","5","3","1") = "8"
    & skf18("5","3","3","9","5","4","1") = "8"
    & skf18("5","3","3","9","5","5","1") = "8"
    & skf18("5","3","3","9","5","6","1") = "8"
    & skf18("5","3","3","9","5","7","1") = "8"
    & skf18("5","3","3","9","5","8","1") = "8"
    & skf18("5","3","3","9","5","9","1") = "8"
    & skf18("5","3","3","9","5","10","1") = "9"
    & skf18("5","3","3","9","6","1","1") = "8"
    & skf18("5","3","3","9","6","2","1") = "8"
    & skf18("5","3","3","9","6","3","1") = "8"
    & skf18("5","3","3","9","6","4","1") = "8"
    & skf18("5","3","3","9","6","5","1") = "8"
    & skf18("5","3","3","9","6","6","1") = "8"
    & skf18("5","3","3","9","6","7","1") = "8"
    & skf18("5","3","3","9","6","8","1") = "8"
    & skf18("5","3","3","9","6","9","1") = "8"
    & skf18("5","3","3","9","6","10","1") = "9"
    & skf18("5","3","3","9","7","1","1") = "8"
    & skf18("5","3","3","9","7","2","1") = "8"
    & skf18("5","3","3","9","7","3","1") = "8"
    & skf18("5","3","3","9","7","4","1") = "8"
    & skf18("5","3","3","9","7","5","1") = "8"
    & skf18("5","3","3","9","7","6","1") = "8"
    & skf18("5","3","3","9","7","7","1") = "8"
    & skf18("5","3","3","9","7","8","1") = "8"
    & skf18("5","3","3","9","7","9","1") = "8"
    & skf18("5","3","3","9","7","10","1") = "9"
    & skf18("5","3","3","9","8","1","1") = "8"
    & skf18("5","3","3","9","8","2","1") = "8"
    & skf18("5","3","3","9","8","3","1") = "8"
    & skf18("5","3","3","9","8","4","1") = "8"
    & skf18("5","3","3","9","8","5","1") = "8"
    & skf18("5","3","3","9","8","6","1") = "8"
    & skf18("5","3","3","9","8","7","1") = "8"
    & skf18("5","3","3","9","8","8","1") = "8"
    & skf18("5","3","3","9","8","9","1") = "8"
    & skf18("5","3","3","9","8","10","1") = "9"
    & skf18("5","3","3","9","9","1","1") = "8"
    & skf18("5","3","3","9","9","2","1") = "8"
    & skf18("5","3","3","9","9","3","1") = "8"
    & skf18("5","3","3","9","9","4","1") = "8"
    & skf18("5","3","3","9","9","5","1") = "8"
    & skf18("5","3","3","9","9","6","1") = "8"
    & skf18("5","3","3","9","9","7","1") = "8"
    & skf18("5","3","3","9","9","8","1") = "8"
    & skf18("5","3","3","9","9","9","1") = "8"
    & skf18("5","3","3","9","9","10","1") = "9"
    & skf18("5","3","3","9","10","1","1") = "9"
    & skf18("5","3","3","9","10","2","1") = "9"
    & skf18("5","3","3","9","10","3","1") = "9"
    & skf18("5","3","3","9","10","4","1") = "9"
    & skf18("5","3","3","9","10","5","1") = "9"
    & skf18("5","3","3","9","10","6","1") = "9"
    & skf18("5","3","3","9","10","7","1") = "9"
    & skf18("5","3","3","9","10","8","1") = "9"
    & skf18("5","3","3","9","10","9","1") = "9"
    & skf18("5","3","3","9","10","10","1") = "9"
    & skf18("5","3","3","10","1","1","1") = "9"
    & skf18("5","3","3","10","1","2","1") = "9"
    & skf18("5","3","3","10","1","3","1") = "9"
    & skf18("5","3","3","10","1","4","1") = "9"
    & skf18("5","3","3","10","1","5","1") = "9"
    & skf18("5","3","3","10","1","6","1") = "9"
    & skf18("5","3","3","10","1","7","1") = "9"
    & skf18("5","3","3","10","1","8","1") = "9"
    & skf18("5","3","3","10","1","9","1") = "9"
    & skf18("5","3","3","10","1","10","1") = "9"
    & skf18("5","3","3","10","2","1","1") = "9"
    & skf18("5","3","3","10","2","2","1") = "9"
    & skf18("5","3","3","10","2","3","1") = "9"
    & skf18("5","3","3","10","2","4","1") = "9"
    & skf18("5","3","3","10","2","5","1") = "9"
    & skf18("5","3","3","10","2","6","1") = "9"
    & skf18("5","3","3","10","2","7","1") = "9"
    & skf18("5","3","3","10","2","8","1") = "9"
    & skf18("5","3","3","10","2","9","1") = "9"
    & skf18("5","3","3","10","2","10","1") = "9"
    & skf18("5","3","3","10","3","1","1") = "9"
    & skf18("5","3","3","10","3","2","1") = "9"
    & skf18("5","3","3","10","3","3","1") = "9"
    & skf18("5","3","3","10","3","4","1") = "9"
    & skf18("5","3","3","10","3","5","1") = "9"
    & skf18("5","3","3","10","3","6","1") = "9"
    & skf18("5","3","3","10","3","7","1") = "9"
    & skf18("5","3","3","10","3","8","1") = "9"
    & skf18("5","3","3","10","3","9","1") = "9"
    & skf18("5","3","3","10","3","10","1") = "9"
    & skf18("5","3","3","10","4","1","1") = "9"
    & skf18("5","3","3","10","4","2","1") = "9"
    & skf18("5","3","3","10","4","3","1") = "9"
    & skf18("5","3","3","10","4","4","1") = "9"
    & skf18("5","3","3","10","4","5","1") = "9"
    & skf18("5","3","3","10","4","6","1") = "9"
    & skf18("5","3","3","10","4","7","1") = "9"
    & skf18("5","3","3","10","4","8","1") = "9"
    & skf18("5","3","3","10","4","9","1") = "9"
    & skf18("5","3","3","10","4","10","1") = "9"
    & skf18("5","3","3","10","5","1","1") = "9"
    & skf18("5","3","3","10","5","2","1") = "9"
    & skf18("5","3","3","10","5","3","1") = "9"
    & skf18("5","3","3","10","5","4","1") = "9"
    & skf18("5","3","3","10","5","5","1") = "9"
    & skf18("5","3","3","10","5","6","1") = "9"
    & skf18("5","3","3","10","5","7","1") = "9"
    & skf18("5","3","3","10","5","8","1") = "9"
    & skf18("5","3","3","10","5","9","1") = "9"
    & skf18("5","3","3","10","5","10","1") = "9"
    & skf18("5","3","3","10","6","1","1") = "9"
    & skf18("5","3","3","10","6","2","1") = "9"
    & skf18("5","3","3","10","6","3","1") = "9"
    & skf18("5","3","3","10","6","4","1") = "9"
    & skf18("5","3","3","10","6","5","1") = "9"
    & skf18("5","3","3","10","6","6","1") = "9"
    & skf18("5","3","3","10","6","7","1") = "9"
    & skf18("5","3","3","10","6","8","1") = "9"
    & skf18("5","3","3","10","6","9","1") = "9"
    & skf18("5","3","3","10","6","10","1") = "9"
    & skf18("5","3","3","10","7","1","1") = "9"
    & skf18("5","3","3","10","7","2","1") = "9"
    & skf18("5","3","3","10","7","3","1") = "9"
    & skf18("5","3","3","10","7","4","1") = "9"
    & skf18("5","3","3","10","7","5","1") = "9"
    & skf18("5","3","3","10","7","6","1") = "9"
    & skf18("5","3","3","10","7","7","1") = "9"
    & skf18("5","3","3","10","7","8","1") = "9"
    & skf18("5","3","3","10","7","9","1") = "9"
    & skf18("5","3","3","10","7","10","1") = "9"
    & skf18("5","3","3","10","8","1","1") = "9"
    & skf18("5","3","3","10","8","2","1") = "9"
    & skf18("5","3","3","10","8","3","1") = "9"
    & skf18("5","3","3","10","8","4","1") = "9"
    & skf18("5","3","3","10","8","5","1") = "9"
    & skf18("5","3","3","10","8","6","1") = "9"
    & skf18("5","3","3","10","8","7","1") = "9"
    & skf18("5","3","3","10","8","8","1") = "9"
    & skf18("5","3","3","10","8","9","1") = "9"
    & skf18("5","3","3","10","8","10","1") = "9"
    & skf18("5","3","3","10","9","1","1") = "9"
    & skf18("5","3","3","10","9","2","1") = "9"
    & skf18("5","3","3","10","9","3","1") = "9"
    & skf18("5","3","3","10","9","4","1") = "9"
    & skf18("5","3","3","10","9","5","1") = "9"
    & skf18("5","3","3","10","9","6","1") = "9"
    & skf18("5","3","3","10","9","7","1") = "9"
    & skf18("5","3","3","10","9","8","1") = "9"
    & skf18("5","3","3","10","9","9","1") = "9"
    & skf18("5","3","3","10","9","10","1") = "9"
    & skf18("5","3","3","10","10","1","1") = "9"
    & skf18("5","3","3","10","10","2","1") = "9"
    & skf18("5","3","3","10","10","3","1") = "9"
    & skf18("5","3","3","10","10","4","1") = "9"
    & skf18("5","3","3","10","10","5","1") = "9"
    & skf18("5","3","3","10","10","6","1") = "9"
    & skf18("5","3","3","10","10","7","1") = "9"
    & skf18("5","3","3","10","10","8","1") = "9"
    & skf18("5","3","3","10","10","9","1") = "9"
    & skf18("5","3","3","10","10","10","1") = "9"
    & skf18("5","3","4","1","1","1","1") = "4"
    & skf18("5","3","4","1","1","2","1") = "4"
    & skf18("5","3","4","1","1","3","1") = "4"
    & skf18("5","3","4","1","1","4","1") = "4"
    & skf18("5","3","4","1","1","5","1") = "4"
    & skf18("5","3","4","1","1","6","1") = "5"
    & skf18("5","3","4","1","1","7","1") = "6"
    & skf18("5","3","4","1","1","8","1") = "7"
    & skf18("5","3","4","1","1","9","1") = "8"
    & skf18("5","3","4","1","1","10","1") = "9"
    & skf18("5","3","4","1","2","1","1") = "4"
    & skf18("5","3","4","1","2","2","1") = "4"
    & skf18("5","3","4","1","2","3","1") = "4"
    & skf18("5","3","4","1","2","4","1") = "4"
    & skf18("5","3","4","1","2","5","1") = "4"
    & skf18("5","3","4","1","2","6","1") = "5"
    & skf18("5","3","4","1","2","7","1") = "6"
    & skf18("5","3","4","1","2","8","1") = "7"
    & skf18("5","3","4","1","2","9","1") = "8"
    & skf18("5","3","4","1","2","10","1") = "9"
    & skf18("5","3","4","1","3","1","1") = "4"
    & skf18("5","3","4","1","3","2","1") = "4"
    & skf18("5","3","4","1","3","3","1") = "4"
    & skf18("5","3","4","1","3","4","1") = "4"
    & skf18("5","3","4","1","3","5","1") = "4"
    & skf18("5","3","4","1","3","6","1") = "5"
    & skf18("5","3","4","1","3","7","1") = "6"
    & skf18("5","3","4","1","3","8","1") = "7"
    & skf18("5","3","4","1","3","9","1") = "8"
    & skf18("5","3","4","1","3","10","1") = "9"
    & skf18("5","3","4","1","4","1","1") = "4"
    & skf18("5","3","4","1","4","2","1") = "4"
    & skf18("5","3","4","1","4","3","1") = "4"
    & skf18("5","3","4","1","4","4","1") = "4"
    & skf18("5","3","4","1","4","5","1") = "4"
    & skf18("5","3","4","1","4","6","1") = "5"
    & skf18("5","3","4","1","4","7","1") = "6"
    & skf18("5","3","4","1","4","8","1") = "7"
    & skf18("5","3","4","1","4","9","1") = "8"
    & skf18("5","3","4","1","4","10","1") = "9"
    & skf18("5","3","4","1","5","1","1") = "4"
    & skf18("5","3","4","1","5","2","1") = "4"
    & skf18("5","3","4","1","5","3","1") = "4"
    & skf18("5","3","4","1","5","4","1") = "4"
    & skf18("5","3","4","1","5","5","1") = "4"
    & skf18("5","3","4","1","5","6","1") = "5"
    & skf18("5","3","4","1","5","7","1") = "6"
    & skf18("5","3","4","1","5","8","1") = "7"
    & skf18("5","3","4","1","5","9","1") = "8"
    & skf18("5","3","4","1","5","10","1") = "9"
    & skf18("5","3","4","1","6","1","1") = "5"
    & skf18("5","3","4","1","6","2","1") = "5"
    & skf18("5","3","4","1","6","3","1") = "5"
    & skf18("5","3","4","1","6","4","1") = "5"
    & skf18("5","3","4","1","6","5","1") = "5"
    & skf18("5","3","4","1","6","6","1") = "5"
    & skf18("5","3","4","1","6","7","1") = "6"
    & skf18("5","3","4","1","6","8","1") = "7"
    & skf18("5","3","4","1","6","9","1") = "8"
    & skf18("5","3","4","1","6","10","1") = "9"
    & skf18("5","3","4","1","7","1","1") = "6"
    & skf18("5","3","4","1","7","2","1") = "6"
    & skf18("5","3","4","1","7","3","1") = "6"
    & skf18("5","3","4","1","7","4","1") = "6"
    & skf18("5","3","4","1","7","5","1") = "6"
    & skf18("5","3","4","1","7","6","1") = "6"
    & skf18("5","3","4","1","7","7","1") = "6"
    & skf18("5","3","4","1","7","8","1") = "7"
    & skf18("5","3","4","1","7","9","1") = "8"
    & skf18("5","3","4","1","7","10","1") = "9"
    & skf18("5","3","4","1","8","1","1") = "7"
    & skf18("5","3","4","1","8","2","1") = "7"
    & skf18("5","3","4","1","8","3","1") = "7"
    & skf18("5","3","4","1","8","4","1") = "7"
    & skf18("5","3","4","1","8","5","1") = "7"
    & skf18("5","3","4","1","8","6","1") = "7"
    & skf18("5","3","4","1","8","7","1") = "7"
    & skf18("5","3","4","1","8","8","1") = "7"
    & skf18("5","3","4","1","8","9","1") = "8"
    & skf18("5","3","4","1","8","10","1") = "9"
    & skf18("5","3","4","1","9","1","1") = "8"
    & skf18("5","3","4","1","9","2","1") = "8"
    & skf18("5","3","4","1","9","3","1") = "8"
    & skf18("5","3","4","1","9","4","1") = "8"
    & skf18("5","3","4","1","9","5","1") = "8"
    & skf18("5","3","4","1","9","6","1") = "8"
    & skf18("5","3","4","1","9","7","1") = "8"
    & skf18("5","3","4","1","9","8","1") = "8"
    & skf18("5","3","4","1","9","9","1") = "8"
    & skf18("5","3","4","1","9","10","1") = "9"
    & skf18("5","3","4","1","10","1","1") = "9"
    & skf18("5","3","4","1","10","2","1") = "9"
    & skf18("5","3","4","1","10","3","1") = "9"
    & skf18("5","3","4","1","10","4","1") = "9"
    & skf18("5","3","4","1","10","5","1") = "9"
    & skf18("5","3","4","1","10","6","1") = "9"
    & skf18("5","3","4","1","10","7","1") = "9"
    & skf18("5","3","4","1","10","8","1") = "9"
    & skf18("5","3","4","1","10","9","1") = "9"
    & skf18("5","3","4","1","10","10","1") = "9"
    & skf18("5","3","4","2","1","1","1") = "4"
    & skf18("5","3","4","2","1","2","1") = "4"
    & skf18("5","3","4","2","1","3","1") = "4"
    & skf18("5","3","4","2","1","4","1") = "4"
    & skf18("5","3","4","2","1","5","1") = "4"
    & skf18("5","3","4","2","1","6","1") = "5"
    & skf18("5","3","4","2","1","7","1") = "6"
    & skf18("5","3","4","2","1","8","1") = "7"
    & skf18("5","3","4","2","1","9","1") = "8"
    & skf18("5","3","4","2","1","10","1") = "9"
    & skf18("5","3","4","2","2","1","1") = "4"
    & skf18("5","3","4","2","2","2","1") = "4"
    & skf18("5","3","4","2","2","3","1") = "4"
    & skf18("5","3","4","2","2","4","1") = "4"
    & skf18("5","3","4","2","2","5","1") = "4"
    & skf18("5","3","4","2","2","6","1") = "5"
    & skf18("5","3","4","2","2","7","1") = "6"
    & skf18("5","3","4","2","2","8","1") = "7"
    & skf18("5","3","4","2","2","9","1") = "8"
    & skf18("5","3","4","2","2","10","1") = "9"
    & skf18("5","3","4","2","3","1","1") = "4"
    & skf18("5","3","4","2","3","2","1") = "4"
    & skf18("5","3","4","2","3","3","1") = "4"
    & skf18("5","3","4","2","3","4","1") = "4"
    & skf18("5","3","4","2","3","5","1") = "4"
    & skf18("5","3","4","2","3","6","1") = "5"
    & skf18("5","3","4","2","3","7","1") = "6"
    & skf18("5","3","4","2","3","8","1") = "7"
    & skf18("5","3","4","2","3","9","1") = "8"
    & skf18("5","3","4","2","3","10","1") = "9"
    & skf18("5","3","4","2","4","1","1") = "4"
    & skf18("5","3","4","2","4","2","1") = "4"
    & skf18("5","3","4","2","4","3","1") = "4"
    & skf18("5","3","4","2","4","4","1") = "4"
    & skf18("5","3","4","2","4","5","1") = "4"
    & skf18("5","3","4","2","4","6","1") = "5"
    & skf18("5","3","4","2","4","7","1") = "6"
    & skf18("5","3","4","2","4","8","1") = "7"
    & skf18("5","3","4","2","4","9","1") = "8"
    & skf18("5","3","4","2","4","10","1") = "9"
    & skf18("5","3","4","2","5","1","1") = "4"
    & skf18("5","3","4","2","5","2","1") = "4"
    & skf18("5","3","4","2","5","3","1") = "4"
    & skf18("5","3","4","2","5","4","1") = "4"
    & skf18("5","3","4","2","5","5","1") = "4"
    & skf18("5","3","4","2","5","6","1") = "5"
    & skf18("5","3","4","2","5","7","1") = "6"
    & skf18("5","3","4","2","5","8","1") = "7"
    & skf18("5","3","4","2","5","9","1") = "8"
    & skf18("5","3","4","2","5","10","1") = "9"
    & skf18("5","3","4","2","6","1","1") = "5"
    & skf18("5","3","4","2","6","2","1") = "5"
    & skf18("5","3","4","2","6","3","1") = "5"
    & skf18("5","3","4","2","6","4","1") = "5"
    & skf18("5","3","4","2","6","5","1") = "5"
    & skf18("5","3","4","2","6","6","1") = "5"
    & skf18("5","3","4","2","6","7","1") = "6"
    & skf18("5","3","4","2","6","8","1") = "7"
    & skf18("5","3","4","2","6","9","1") = "8"
    & skf18("5","3","4","2","6","10","1") = "9"
    & skf18("5","3","4","2","7","1","1") = "6"
    & skf18("5","3","4","2","7","2","1") = "6"
    & skf18("5","3","4","2","7","3","1") = "6"
    & skf18("5","3","4","2","7","4","1") = "6"
    & skf18("5","3","4","2","7","5","1") = "6"
    & skf18("5","3","4","2","7","6","1") = "6"
    & skf18("5","3","4","2","7","7","1") = "6"
    & skf18("5","3","4","2","7","8","1") = "7"
    & skf18("5","3","4","2","7","9","1") = "8"
    & skf18("5","3","4","2","7","10","1") = "9"
    & skf18("5","3","4","2","8","1","1") = "7"
    & skf18("5","3","4","2","8","2","1") = "7"
    & skf18("5","3","4","2","8","3","1") = "7"
    & skf18("5","3","4","2","8","4","1") = "7"
    & skf18("5","3","4","2","8","5","1") = "7"
    & skf18("5","3","4","2","8","6","1") = "7"
    & skf18("5","3","4","2","8","7","1") = "7"
    & skf18("5","3","4","2","8","8","1") = "7"
    & skf18("5","3","4","2","8","9","1") = "8"
    & skf18("5","3","4","2","8","10","1") = "9"
    & skf18("5","3","4","2","9","1","1") = "8"
    & skf18("5","3","4","2","9","2","1") = "8"
    & skf18("5","3","4","2","9","3","1") = "8"
    & skf18("5","3","4","2","9","4","1") = "8"
    & skf18("5","3","4","2","9","5","1") = "8"
    & skf18("5","3","4","2","9","6","1") = "8"
    & skf18("5","3","4","2","9","7","1") = "8"
    & skf18("5","3","4","2","9","8","1") = "8"
    & skf18("5","3","4","2","9","9","1") = "8"
    & skf18("5","3","4","2","9","10","1") = "9"
    & skf18("5","3","4","2","10","1","1") = "9"
    & skf18("5","3","4","2","10","2","1") = "9"
    & skf18("5","3","4","2","10","3","1") = "9"
    & skf18("5","3","4","2","10","4","1") = "9"
    & skf18("5","3","4","2","10","5","1") = "9"
    & skf18("5","3","4","2","10","6","1") = "9"
    & skf18("5","3","4","2","10","7","1") = "9"
    & skf18("5","3","4","2","10","8","1") = "9"
    & skf18("5","3","4","2","10","9","1") = "9"
    & skf18("5","3","4","2","10","10","1") = "9"
    & skf18("5","3","4","3","1","1","1") = "4"
    & skf18("5","3","4","3","1","2","1") = "4"
    & skf18("5","3","4","3","1","3","1") = "4"
    & skf18("5","3","4","3","1","4","1") = "4"
    & skf18("5","3","4","3","1","5","1") = "4"
    & skf18("5","3","4","3","1","6","1") = "5"
    & skf18("5","3","4","3","1","7","1") = "6"
    & skf18("5","3","4","3","1","8","1") = "7"
    & skf18("5","3","4","3","1","9","1") = "8"
    & skf18("5","3","4","3","1","10","1") = "9"
    & skf18("5","3","4","3","2","1","1") = "4"
    & skf18("5","3","4","3","2","2","1") = "4"
    & skf18("5","3","4","3","2","3","1") = "4"
    & skf18("5","3","4","3","2","4","1") = "4"
    & skf18("5","3","4","3","2","5","1") = "4"
    & skf18("5","3","4","3","2","6","1") = "5"
    & skf18("5","3","4","3","2","7","1") = "6"
    & skf18("5","3","4","3","2","8","1") = "7"
    & skf18("5","3","4","3","2","9","1") = "8"
    & skf18("5","3","4","3","2","10","1") = "9"
    & skf18("5","3","4","3","3","1","1") = "4"
    & skf18("5","3","4","3","3","2","1") = "4"
    & skf18("5","3","4","3","3","3","1") = "4"
    & skf18("5","3","4","3","3","4","1") = "4"
    & skf18("5","3","4","3","3","5","1") = "4"
    & skf18("5","3","4","3","3","6","1") = "5"
    & skf18("5","3","4","3","3","7","1") = "6"
    & skf18("5","3","4","3","3","8","1") = "7"
    & skf18("5","3","4","3","3","9","1") = "8"
    & skf18("5","3","4","3","3","10","1") = "9"
    & skf18("5","3","4","3","4","1","1") = "4"
    & skf18("5","3","4","3","4","2","1") = "4"
    & skf18("5","3","4","3","4","3","1") = "4"
    & skf18("5","3","4","3","4","4","1") = "4"
    & skf18("5","3","4","3","4","5","1") = "4"
    & skf18("5","3","4","3","4","6","1") = "5"
    & skf18("5","3","4","3","4","7","1") = "6"
    & skf18("5","3","4","3","4","8","1") = "7"
    & skf18("5","3","4","3","4","9","1") = "8"
    & skf18("5","3","4","3","4","10","1") = "9"
    & skf18("5","3","4","3","5","1","1") = "4"
    & skf18("5","3","4","3","5","2","1") = "4"
    & skf18("5","3","4","3","5","3","1") = "4"
    & skf18("5","3","4","3","5","4","1") = "4"
    & skf18("5","3","4","3","5","5","1") = "4"
    & skf18("5","3","4","3","5","6","1") = "5"
    & skf18("5","3","4","3","5","7","1") = "6"
    & skf18("5","3","4","3","5","8","1") = "7"
    & skf18("5","3","4","3","5","9","1") = "8"
    & skf18("5","3","4","3","5","10","1") = "9"
    & skf18("5","3","4","3","6","1","1") = "5"
    & skf18("5","3","4","3","6","2","1") = "5"
    & skf18("5","3","4","3","6","3","1") = "5"
    & skf18("5","3","4","3","6","4","1") = "5"
    & skf18("5","3","4","3","6","5","1") = "5"
    & skf18("5","3","4","3","6","6","1") = "5"
    & skf18("5","3","4","3","6","7","1") = "6"
    & skf18("5","3","4","3","6","8","1") = "7"
    & skf18("5","3","4","3","6","9","1") = "8"
    & skf18("5","3","4","3","6","10","1") = "9"
    & skf18("5","3","4","3","7","1","1") = "6"
    & skf18("5","3","4","3","7","2","1") = "6"
    & skf18("5","3","4","3","7","3","1") = "6"
    & skf18("5","3","4","3","7","4","1") = "6"
    & skf18("5","3","4","3","7","5","1") = "6"
    & skf18("5","3","4","3","7","6","1") = "6"
    & skf18("5","3","4","3","7","7","1") = "6"
    & skf18("5","3","4","3","7","8","1") = "7"
    & skf18("5","3","4","3","7","9","1") = "8"
    & skf18("5","3","4","3","7","10","1") = "9"
    & skf18("5","3","4","3","8","1","1") = "7"
    & skf18("5","3","4","3","8","2","1") = "7"
    & skf18("5","3","4","3","8","3","1") = "7"
    & skf18("5","3","4","3","8","4","1") = "7"
    & skf18("5","3","4","3","8","5","1") = "7"
    & skf18("5","3","4","3","8","6","1") = "7"
    & skf18("5","3","4","3","8","7","1") = "7"
    & skf18("5","3","4","3","8","8","1") = "7"
    & skf18("5","3","4","3","8","9","1") = "8"
    & skf18("5","3","4","3","8","10","1") = "9"
    & skf18("5","3","4","3","9","1","1") = "8"
    & skf18("5","3","4","3","9","2","1") = "8"
    & skf18("5","3","4","3","9","3","1") = "8"
    & skf18("5","3","4","3","9","4","1") = "8"
    & skf18("5","3","4","3","9","5","1") = "8"
    & skf18("5","3","4","3","9","6","1") = "8"
    & skf18("5","3","4","3","9","7","1") = "8"
    & skf18("5","3","4","3","9","8","1") = "8"
    & skf18("5","3","4","3","9","9","1") = "8"
    & skf18("5","3","4","3","9","10","1") = "9"
    & skf18("5","3","4","3","10","1","1") = "9"
    & skf18("5","3","4","3","10","2","1") = "9"
    & skf18("5","3","4","3","10","3","1") = "9"
    & skf18("5","3","4","3","10","4","1") = "9"
    & skf18("5","3","4","3","10","5","1") = "9"
    & skf18("5","3","4","3","10","6","1") = "9"
    & skf18("5","3","4","3","10","7","1") = "9"
    & skf18("5","3","4","3","10","8","1") = "9"
    & skf18("5","3","4","3","10","9","1") = "9"
    & skf18("5","3","4","3","10","10","1") = "9"
    & skf18("5","3","4","4","1","1","1") = "4"
    & skf18("5","3","4","4","1","2","1") = "4"
    & skf18("5","3","4","4","1","3","1") = "4"
    & skf18("5","3","4","4","1","4","1") = "4"
    & skf18("5","3","4","4","1","5","1") = "4"
    & skf18("5","3","4","4","1","6","1") = "5"
    & skf18("5","3","4","4","1","7","1") = "6"
    & skf18("5","3","4","4","1","8","1") = "7"
    & skf18("5","3","4","4","1","9","1") = "8"
    & skf18("5","3","4","4","1","10","1") = "9"
    & skf18("5","3","4","4","2","1","1") = "4"
    & skf18("5","3","4","4","2","2","1") = "4"
    & skf18("5","3","4","4","2","3","1") = "4"
    & skf18("5","3","4","4","2","4","1") = "4"
    & skf18("5","3","4","4","2","5","1") = "4"
    & skf18("5","3","4","4","2","6","1") = "5"
    & skf18("5","3","4","4","2","7","1") = "6"
    & skf18("5","3","4","4","2","8","1") = "7"
    & skf18("5","3","4","4","2","9","1") = "8"
    & skf18("5","3","4","4","2","10","1") = "9"
    & skf18("5","3","4","4","3","1","1") = "4"
    & skf18("5","3","4","4","3","2","1") = "4"
    & skf18("5","3","4","4","3","3","1") = "4"
    & skf18("5","3","4","4","3","4","1") = "4"
    & skf18("5","3","4","4","3","5","1") = "4"
    & skf18("5","3","4","4","3","6","1") = "5"
    & skf18("5","3","4","4","3","7","1") = "6"
    & skf18("5","3","4","4","3","8","1") = "7"
    & skf18("5","3","4","4","3","9","1") = "8"
    & skf18("5","3","4","4","3","10","1") = "9"
    & skf18("5","3","4","4","4","1","1") = "4"
    & skf18("5","3","4","4","4","2","1") = "4"
    & skf18("5","3","4","4","4","3","1") = "4"
    & skf18("5","3","4","4","4","4","1") = "4"
    & skf18("5","3","4","4","4","5","1") = "4"
    & skf18("5","3","4","4","4","6","1") = "5"
    & skf18("5","3","4","4","4","7","1") = "6"
    & skf18("5","3","4","4","4","8","1") = "7"
    & skf18("5","3","4","4","4","9","1") = "8"
    & skf18("5","3","4","4","4","10","1") = "9"
    & skf18("5","3","4","4","5","1","1") = "4"
    & skf18("5","3","4","4","5","2","1") = "4"
    & skf18("5","3","4","4","5","3","1") = "4"
    & skf18("5","3","4","4","5","4","1") = "4"
    & skf18("5","3","4","4","5","5","1") = "4"
    & skf18("5","3","4","4","5","6","1") = "5"
    & skf18("5","3","4","4","5","7","1") = "6"
    & skf18("5","3","4","4","5","8","1") = "7"
    & skf18("5","3","4","4","5","9","1") = "8"
    & skf18("5","3","4","4","5","10","1") = "9"
    & skf18("5","3","4","4","6","1","1") = "5"
    & skf18("5","3","4","4","6","2","1") = "5"
    & skf18("5","3","4","4","6","3","1") = "5"
    & skf18("5","3","4","4","6","4","1") = "5"
    & skf18("5","3","4","4","6","5","1") = "5"
    & skf18("5","3","4","4","6","6","1") = "5"
    & skf18("5","3","4","4","6","7","1") = "6"
    & skf18("5","3","4","4","6","8","1") = "7"
    & skf18("5","3","4","4","6","9","1") = "8"
    & skf18("5","3","4","4","6","10","1") = "9"
    & skf18("5","3","4","4","7","1","1") = "6"
    & skf18("5","3","4","4","7","2","1") = "6"
    & skf18("5","3","4","4","7","3","1") = "6"
    & skf18("5","3","4","4","7","4","1") = "6"
    & skf18("5","3","4","4","7","5","1") = "6"
    & skf18("5","3","4","4","7","6","1") = "6"
    & skf18("5","3","4","4","7","7","1") = "6"
    & skf18("5","3","4","4","7","8","1") = "7"
    & skf18("5","3","4","4","7","9","1") = "8"
    & skf18("5","3","4","4","7","10","1") = "9"
    & skf18("5","3","4","4","8","1","1") = "7"
    & skf18("5","3","4","4","8","2","1") = "7"
    & skf18("5","3","4","4","8","3","1") = "7"
    & skf18("5","3","4","4","8","4","1") = "7"
    & skf18("5","3","4","4","8","5","1") = "7"
    & skf18("5","3","4","4","8","6","1") = "7"
    & skf18("5","3","4","4","8","7","1") = "7"
    & skf18("5","3","4","4","8","8","1") = "7"
    & skf18("5","3","4","4","8","9","1") = "8"
    & skf18("5","3","4","4","8","10","1") = "9"
    & skf18("5","3","4","4","9","1","1") = "8"
    & skf18("5","3","4","4","9","2","1") = "8"
    & skf18("5","3","4","4","9","3","1") = "8"
    & skf18("5","3","4","4","9","4","1") = "8"
    & skf18("5","3","4","4","9","5","1") = "8"
    & skf18("5","3","4","4","9","6","1") = "8"
    & skf18("5","3","4","4","9","7","1") = "8"
    & skf18("5","3","4","4","9","8","1") = "8"
    & skf18("5","3","4","4","9","9","1") = "8"
    & skf18("5","3","4","4","9","10","1") = "9"
    & skf18("5","3","4","4","10","1","1") = "9"
    & skf18("5","3","4","4","10","2","1") = "9"
    & skf18("5","3","4","4","10","3","1") = "9"
    & skf18("5","3","4","4","10","4","1") = "9"
    & skf18("5","3","4","4","10","5","1") = "9"
    & skf18("5","3","4","4","10","6","1") = "9"
    & skf18("5","3","4","4","10","7","1") = "9"
    & skf18("5","3","4","4","10","8","1") = "9"
    & skf18("5","3","4","4","10","9","1") = "9"
    & skf18("5","3","4","4","10","10","1") = "9"
    & skf18("5","3","4","5","1","1","1") = "4"
    & skf18("5","3","4","5","1","2","1") = "4"
    & skf18("5","3","4","5","1","3","1") = "4"
    & skf18("5","3","4","5","1","4","1") = "4"
    & skf18("5","3","4","5","1","5","1") = "4"
    & skf18("5","3","4","5","1","6","1") = "5"
    & skf18("5","3","4","5","1","7","1") = "6"
    & skf18("5","3","4","5","1","8","1") = "7"
    & skf18("5","3","4","5","1","9","1") = "8"
    & skf18("5","3","4","5","1","10","1") = "9"
    & skf18("5","3","4","5","2","1","1") = "4"
    & skf18("5","3","4","5","2","2","1") = "4"
    & skf18("5","3","4","5","2","3","1") = "4"
    & skf18("5","3","4","5","2","4","1") = "4"
    & skf18("5","3","4","5","2","5","1") = "4"
    & skf18("5","3","4","5","2","6","1") = "5"
    & skf18("5","3","4","5","2","7","1") = "6"
    & skf18("5","3","4","5","2","8","1") = "7"
    & skf18("5","3","4","5","2","9","1") = "8"
    & skf18("5","3","4","5","2","10","1") = "9"
    & skf18("5","3","4","5","3","1","1") = "4"
    & skf18("5","3","4","5","3","2","1") = "4"
    & skf18("5","3","4","5","3","3","1") = "4"
    & skf18("5","3","4","5","3","4","1") = "4"
    & skf18("5","3","4","5","3","5","1") = "4"
    & skf18("5","3","4","5","3","6","1") = "5"
    & skf18("5","3","4","5","3","7","1") = "6"
    & skf18("5","3","4","5","3","8","1") = "7"
    & skf18("5","3","4","5","3","9","1") = "8"
    & skf18("5","3","4","5","3","10","1") = "9"
    & skf18("5","3","4","5","4","1","1") = "4"
    & skf18("5","3","4","5","4","2","1") = "4"
    & skf18("5","3","4","5","4","3","1") = "4"
    & skf18("5","3","4","5","4","4","1") = "4"
    & skf18("5","3","4","5","4","5","1") = "4"
    & skf18("5","3","4","5","4","6","1") = "5"
    & skf18("5","3","4","5","4","7","1") = "6"
    & skf18("5","3","4","5","4","8","1") = "7"
    & skf18("5","3","4","5","4","9","1") = "8"
    & skf18("5","3","4","5","4","10","1") = "9"
    & skf18("5","3","4","5","5","1","1") = "4"
    & skf18("5","3","4","5","5","2","1") = "4"
    & skf18("5","3","4","5","5","3","1") = "4"
    & skf18("5","3","4","5","5","4","1") = "4"
    & skf18("5","3","4","5","5","5","1") = "4"
    & skf18("5","3","4","5","5","6","1") = "5"
    & skf18("5","3","4","5","5","7","1") = "6"
    & skf18("5","3","4","5","5","8","1") = "7"
    & skf18("5","3","4","5","5","9","1") = "8"
    & skf18("5","3","4","5","5","10","1") = "9"
    & skf18("5","3","4","5","6","1","1") = "5"
    & skf18("5","3","4","5","6","2","1") = "5"
    & skf18("5","3","4","5","6","3","1") = "5"
    & skf18("5","3","4","5","6","4","1") = "5"
    & skf18("5","3","4","5","6","5","1") = "5"
    & skf18("5","3","4","5","6","6","1") = "5"
    & skf18("5","3","4","5","6","7","1") = "6"
    & skf18("5","3","4","5","6","8","1") = "7"
    & skf18("5","3","4","5","6","9","1") = "8"
    & skf18("5","3","4","5","6","10","1") = "9"
    & skf18("5","3","4","5","7","1","1") = "6"
    & skf18("5","3","4","5","7","2","1") = "6"
    & skf18("5","3","4","5","7","3","1") = "6"
    & skf18("5","3","4","5","7","4","1") = "6"
    & skf18("5","3","4","5","7","5","1") = "6"
    & skf18("5","3","4","5","7","6","1") = "6"
    & skf18("5","3","4","5","7","7","1") = "6"
    & skf18("5","3","4","5","7","8","1") = "7"
    & skf18("5","3","4","5","7","9","1") = "8"
    & skf18("5","3","4","5","7","10","1") = "9"
    & skf18("5","3","4","5","8","1","1") = "7"
    & skf18("5","3","4","5","8","2","1") = "7"
    & skf18("5","3","4","5","8","3","1") = "7"
    & skf18("5","3","4","5","8","4","1") = "7"
    & skf18("5","3","4","5","8","5","1") = "7"
    & skf18("5","3","4","5","8","6","1") = "7"
    & skf18("5","3","4","5","8","7","1") = "7"
    & skf18("5","3","4","5","8","8","1") = "7"
    & skf18("5","3","4","5","8","9","1") = "8"
    & skf18("5","3","4","5","8","10","1") = "9"
    & skf18("5","3","4","5","9","1","1") = "8"
    & skf18("5","3","4","5","9","2","1") = "8"
    & skf18("5","3","4","5","9","3","1") = "8"
    & skf18("5","3","4","5","9","4","1") = "8"
    & skf18("5","3","4","5","9","5","1") = "8"
    & skf18("5","3","4","5","9","6","1") = "8"
    & skf18("5","3","4","5","9","7","1") = "8"
    & skf18("5","3","4","5","9","8","1") = "8"
    & skf18("5","3","4","5","9","9","1") = "8"
    & skf18("5","3","4","5","9","10","1") = "9"
    & skf18("5","3","4","5","10","1","1") = "9"
    & skf18("5","3","4","5","10","2","1") = "9"
    & skf18("5","3","4","5","10","3","1") = "9"
    & skf18("5","3","4","5","10","4","1") = "9"
    & skf18("5","3","4","5","10","5","1") = "9"
    & skf18("5","3","4","5","10","6","1") = "9"
    & skf18("5","3","4","5","10","7","1") = "9"
    & skf18("5","3","4","5","10","8","1") = "9"
    & skf18("5","3","4","5","10","9","1") = "9"
    & skf18("5","3","4","5","10","10","1") = "9"
    & skf18("5","3","4","6","1","1","1") = "5"
    & skf18("5","3","4","6","1","2","1") = "5"
    & skf18("5","3","4","6","1","3","1") = "5"
    & skf18("5","3","4","6","1","4","1") = "5"
    & skf18("5","3","4","6","1","5","1") = "5"
    & skf18("5","3","4","6","1","6","1") = "5"
    & skf18("5","3","4","6","1","7","1") = "6"
    & skf18("5","3","4","6","1","8","1") = "7"
    & skf18("5","3","4","6","1","9","1") = "8"
    & skf18("5","3","4","6","1","10","1") = "9"
    & skf18("5","3","4","6","2","1","1") = "5"
    & skf18("5","3","4","6","2","2","1") = "5"
    & skf18("5","3","4","6","2","3","1") = "5"
    & skf18("5","3","4","6","2","4","1") = "5"
    & skf18("5","3","4","6","2","5","1") = "5"
    & skf18("5","3","4","6","2","6","1") = "5"
    & skf18("5","3","4","6","2","7","1") = "6"
    & skf18("5","3","4","6","2","8","1") = "7"
    & skf18("5","3","4","6","2","9","1") = "8"
    & skf18("5","3","4","6","2","10","1") = "9"
    & skf18("5","3","4","6","3","1","1") = "5"
    & skf18("5","3","4","6","3","2","1") = "5"
    & skf18("5","3","4","6","3","3","1") = "5"
    & skf18("5","3","4","6","3","4","1") = "5"
    & skf18("5","3","4","6","3","5","1") = "5"
    & skf18("5","3","4","6","3","6","1") = "5"
    & skf18("5","3","4","6","3","7","1") = "6"
    & skf18("5","3","4","6","3","8","1") = "7"
    & skf18("5","3","4","6","3","9","1") = "8"
    & skf18("5","3","4","6","3","10","1") = "9"
    & skf18("5","3","4","6","4","1","1") = "5"
    & skf18("5","3","4","6","4","2","1") = "5"
    & skf18("5","3","4","6","4","3","1") = "5"
    & skf18("5","3","4","6","4","4","1") = "5"
    & skf18("5","3","4","6","4","5","1") = "5"
    & skf18("5","3","4","6","4","6","1") = "5"
    & skf18("5","3","4","6","4","7","1") = "6"
    & skf18("5","3","4","6","4","8","1") = "7"
    & skf18("5","3","4","6","4","9","1") = "8"
    & skf18("5","3","4","6","4","10","1") = "9"
    & skf18("5","3","4","6","5","1","1") = "5"
    & skf18("5","3","4","6","5","2","1") = "5"
    & skf18("5","3","4","6","5","3","1") = "5"
    & skf18("5","3","4","6","5","4","1") = "5"
    & skf18("5","3","4","6","5","5","1") = "5"
    & skf18("5","3","4","6","5","6","1") = "5"
    & skf18("5","3","4","6","5","7","1") = "6"
    & skf18("5","3","4","6","5","8","1") = "7"
    & skf18("5","3","4","6","5","9","1") = "8"
    & skf18("5","3","4","6","5","10","1") = "9"
    & skf18("5","3","4","6","6","1","1") = "5"
    & skf18("5","3","4","6","6","2","1") = "5"
    & skf18("5","3","4","6","6","3","1") = "5"
    & skf18("5","3","4","6","6","4","1") = "5"
    & skf18("5","3","4","6","6","5","1") = "5"
    & skf18("5","3","4","6","6","6","1") = "5"
    & skf18("5","3","4","6","6","7","1") = "6"
    & skf18("5","3","4","6","6","8","1") = "7"
    & skf18("5","3","4","6","6","9","1") = "8"
    & skf18("5","3","4","6","6","10","1") = "9"
    & skf18("5","3","4","6","7","1","1") = "6"
    & skf18("5","3","4","6","7","2","1") = "6"
    & skf18("5","3","4","6","7","3","1") = "6"
    & skf18("5","3","4","6","7","4","1") = "6"
    & skf18("5","3","4","6","7","5","1") = "6"
    & skf18("5","3","4","6","7","6","1") = "6"
    & skf18("5","3","4","6","7","7","1") = "6"
    & skf18("5","3","4","6","7","8","1") = "7"
    & skf18("5","3","4","6","7","9","1") = "8"
    & skf18("5","3","4","6","7","10","1") = "9"
    & skf18("5","3","4","6","8","1","1") = "7"
    & skf18("5","3","4","6","8","2","1") = "7"
    & skf18("5","3","4","6","8","3","1") = "7"
    & skf18("5","3","4","6","8","4","1") = "7"
    & skf18("5","3","4","6","8","5","1") = "7"
    & skf18("5","3","4","6","8","6","1") = "7"
    & skf18("5","3","4","6","8","7","1") = "7"
    & skf18("5","3","4","6","8","8","1") = "7"
    & skf18("5","3","4","6","8","9","1") = "8"
    & skf18("5","3","4","6","8","10","1") = "9"
    & skf18("5","3","4","6","9","1","1") = "8"
    & skf18("5","3","4","6","9","2","1") = "8"
    & skf18("5","3","4","6","9","3","1") = "8"
    & skf18("5","3","4","6","9","4","1") = "8"
    & skf18("5","3","4","6","9","5","1") = "8"
    & skf18("5","3","4","6","9","6","1") = "8"
    & skf18("5","3","4","6","9","7","1") = "8"
    & skf18("5","3","4","6","9","8","1") = "8"
    & skf18("5","3","4","6","9","9","1") = "8"
    & skf18("5","3","4","6","9","10","1") = "9"
    & skf18("5","3","4","6","10","1","1") = "9"
    & skf18("5","3","4","6","10","2","1") = "9"
    & skf18("5","3","4","6","10","3","1") = "9"
    & skf18("5","3","4","6","10","4","1") = "9"
    & skf18("5","3","4","6","10","5","1") = "9"
    & skf18("5","3","4","6","10","6","1") = "9"
    & skf18("5","3","4","6","10","7","1") = "9"
    & skf18("5","3","4","6","10","8","1") = "9"
    & skf18("5","3","4","6","10","9","1") = "9"
    & skf18("5","3","4","6","10","10","1") = "9"
    & skf18("5","3","4","7","1","1","1") = "6"
    & skf18("5","3","4","7","1","2","1") = "6"
    & skf18("5","3","4","7","1","3","1") = "6"
    & skf18("5","3","4","7","1","4","1") = "6"
    & skf18("5","3","4","7","1","5","1") = "6"
    & skf18("5","3","4","7","1","6","1") = "6"
    & skf18("5","3","4","7","1","7","1") = "6"
    & skf18("5","3","4","7","1","8","1") = "7"
    & skf18("5","3","4","7","1","9","1") = "8"
    & skf18("5","3","4","7","1","10","1") = "9"
    & skf18("5","3","4","7","2","1","1") = "6"
    & skf18("5","3","4","7","2","2","1") = "6"
    & skf18("5","3","4","7","2","3","1") = "6"
    & skf18("5","3","4","7","2","4","1") = "6"
    & skf18("5","3","4","7","2","5","1") = "6"
    & skf18("5","3","4","7","2","6","1") = "6"
    & skf18("5","3","4","7","2","7","1") = "6"
    & skf18("5","3","4","7","2","8","1") = "7"
    & skf18("5","3","4","7","2","9","1") = "8"
    & skf18("5","3","4","7","2","10","1") = "9"
    & skf18("5","3","4","7","3","1","1") = "6"
    & skf18("5","3","4","7","3","2","1") = "6"
    & skf18("5","3","4","7","3","3","1") = "6"
    & skf18("5","3","4","7","3","4","1") = "6"
    & skf18("5","3","4","7","3","5","1") = "6"
    & skf18("5","3","4","7","3","6","1") = "6"
    & skf18("5","3","4","7","3","7","1") = "6"
    & skf18("5","3","4","7","3","8","1") = "7"
    & skf18("5","3","4","7","3","9","1") = "8"
    & skf18("5","3","4","7","3","10","1") = "9"
    & skf18("5","3","4","7","4","1","1") = "6"
    & skf18("5","3","4","7","4","2","1") = "6"
    & skf18("5","3","4","7","4","3","1") = "6"
    & skf18("5","3","4","7","4","4","1") = "6"
    & skf18("5","3","4","7","4","5","1") = "6"
    & skf18("5","3","4","7","4","6","1") = "6"
    & skf18("5","3","4","7","4","7","1") = "6"
    & skf18("5","3","4","7","4","8","1") = "7"
    & skf18("5","3","4","7","4","9","1") = "8"
    & skf18("5","3","4","7","4","10","1") = "9"
    & skf18("5","3","4","7","5","1","1") = "6"
    & skf18("5","3","4","7","5","2","1") = "6"
    & skf18("5","3","4","7","5","3","1") = "6"
    & skf18("5","3","4","7","5","4","1") = "6"
    & skf18("5","3","4","7","5","5","1") = "6"
    & skf18("5","3","4","7","5","6","1") = "6"
    & skf18("5","3","4","7","5","7","1") = "6"
    & skf18("5","3","4","7","5","8","1") = "7"
    & skf18("5","3","4","7","5","9","1") = "8"
    & skf18("5","3","4","7","5","10","1") = "9"
    & skf18("5","3","4","7","6","1","1") = "6"
    & skf18("5","3","4","7","6","2","1") = "6"
    & skf18("5","3","4","7","6","3","1") = "6"
    & skf18("5","3","4","7","6","4","1") = "6"
    & skf18("5","3","4","7","6","5","1") = "6"
    & skf18("5","3","4","7","6","6","1") = "6"
    & skf18("5","3","4","7","6","7","1") = "6"
    & skf18("5","3","4","7","6","8","1") = "7"
    & skf18("5","3","4","7","6","9","1") = "8"
    & skf18("5","3","4","7","6","10","1") = "9"
    & skf18("5","3","4","7","7","1","1") = "6"
    & skf18("5","3","4","7","7","2","1") = "6"
    & skf18("5","3","4","7","7","3","1") = "6"
    & skf18("5","3","4","7","7","4","1") = "6"
    & skf18("5","3","4","7","7","5","1") = "6"
    & skf18("5","3","4","7","7","6","1") = "6"
    & skf18("5","3","4","7","7","7","1") = "6"
    & skf18("5","3","4","7","7","8","1") = "7"
    & skf18("5","3","4","7","7","9","1") = "8"
    & skf18("5","3","4","7","7","10","1") = "9"
    & skf18("5","3","4","7","8","1","1") = "7"
    & skf18("5","3","4","7","8","2","1") = "7"
    & skf18("5","3","4","7","8","3","1") = "7"
    & skf18("5","3","4","7","8","4","1") = "7"
    & skf18("5","3","4","7","8","5","1") = "7"
    & skf18("5","3","4","7","8","6","1") = "7"
    & skf18("5","3","4","7","8","7","1") = "7"
    & skf18("5","3","4","7","8","8","1") = "7"
    & skf18("5","3","4","7","8","9","1") = "8"
    & skf18("5","3","4","7","8","10","1") = "9"
    & skf18("5","3","4","7","9","1","1") = "8"
    & skf18("5","3","4","7","9","2","1") = "8"
    & skf18("5","3","4","7","9","3","1") = "8"
    & skf18("5","3","4","7","9","4","1") = "8"
    & skf18("5","3","4","7","9","5","1") = "8"
    & skf18("5","3","4","7","9","6","1") = "8"
    & skf18("5","3","4","7","9","7","1") = "8"
    & skf18("5","3","4","7","9","8","1") = "8"
    & skf18("5","3","4","7","9","9","1") = "8"
    & skf18("5","3","4","7","9","10","1") = "9"
    & skf18("5","3","4","7","10","1","1") = "9"
    & skf18("5","3","4","7","10","2","1") = "9"
    & skf18("5","3","4","7","10","3","1") = "9"
    & skf18("5","3","4","7","10","4","1") = "9"
    & skf18("5","3","4","7","10","5","1") = "9"
    & skf18("5","3","4","7","10","6","1") = "9"
    & skf18("5","3","4","7","10","7","1") = "9"
    & skf18("5","3","4","7","10","8","1") = "9"
    & skf18("5","3","4","7","10","9","1") = "9"
    & skf18("5","3","4","7","10","10","1") = "9"
    & skf18("5","3","4","8","1","1","1") = "7"
    & skf18("5","3","4","8","1","2","1") = "7"
    & skf18("5","3","4","8","1","3","1") = "7"
    & skf18("5","3","4","8","1","4","1") = "7"
    & skf18("5","3","4","8","1","5","1") = "7"
    & skf18("5","3","4","8","1","6","1") = "7"
    & skf18("5","3","4","8","1","7","1") = "7"
    & skf18("5","3","4","8","1","8","1") = "7"
    & skf18("5","3","4","8","1","9","1") = "8"
    & skf18("5","3","4","8","1","10","1") = "9"
    & skf18("5","3","4","8","2","1","1") = "7"
    & skf18("5","3","4","8","2","2","1") = "7"
    & skf18("5","3","4","8","2","3","1") = "7"
    & skf18("5","3","4","8","2","4","1") = "7"
    & skf18("5","3","4","8","2","5","1") = "7"
    & skf18("5","3","4","8","2","6","1") = "7"
    & skf18("5","3","4","8","2","7","1") = "7"
    & skf18("5","3","4","8","2","8","1") = "7"
    & skf18("5","3","4","8","2","9","1") = "8"
    & skf18("5","3","4","8","2","10","1") = "9"
    & skf18("5","3","4","8","3","1","1") = "7"
    & skf18("5","3","4","8","3","2","1") = "7"
    & skf18("5","3","4","8","3","3","1") = "7"
    & skf18("5","3","4","8","3","4","1") = "7"
    & skf18("5","3","4","8","3","5","1") = "7"
    & skf18("5","3","4","8","3","6","1") = "7"
    & skf18("5","3","4","8","3","7","1") = "7"
    & skf18("5","3","4","8","3","8","1") = "7"
    & skf18("5","3","4","8","3","9","1") = "8"
    & skf18("5","3","4","8","3","10","1") = "9"
    & skf18("5","3","4","8","4","1","1") = "7"
    & skf18("5","3","4","8","4","2","1") = "7"
    & skf18("5","3","4","8","4","3","1") = "7"
    & skf18("5","3","4","8","4","4","1") = "7"
    & skf18("5","3","4","8","4","5","1") = "7"
    & skf18("5","3","4","8","4","6","1") = "7"
    & skf18("5","3","4","8","4","7","1") = "7"
    & skf18("5","3","4","8","4","8","1") = "7"
    & skf18("5","3","4","8","4","9","1") = "8"
    & skf18("5","3","4","8","4","10","1") = "9"
    & skf18("5","3","4","8","5","1","1") = "7"
    & skf18("5","3","4","8","5","2","1") = "7"
    & skf18("5","3","4","8","5","3","1") = "7"
    & skf18("5","3","4","8","5","4","1") = "7"
    & skf18("5","3","4","8","5","5","1") = "7"
    & skf18("5","3","4","8","5","6","1") = "7"
    & skf18("5","3","4","8","5","7","1") = "7"
    & skf18("5","3","4","8","5","8","1") = "7"
    & skf18("5","3","4","8","5","9","1") = "8"
    & skf18("5","3","4","8","5","10","1") = "9"
    & skf18("5","3","4","8","6","1","1") = "7"
    & skf18("5","3","4","8","6","2","1") = "7"
    & skf18("5","3","4","8","6","3","1") = "7"
    & skf18("5","3","4","8","6","4","1") = "7"
    & skf18("5","3","4","8","6","5","1") = "7"
    & skf18("5","3","4","8","6","6","1") = "7"
    & skf18("5","3","4","8","6","7","1") = "7"
    & skf18("5","3","4","8","6","8","1") = "7"
    & skf18("5","3","4","8","6","9","1") = "8"
    & skf18("5","3","4","8","6","10","1") = "9"
    & skf18("5","3","4","8","7","1","1") = "7"
    & skf18("5","3","4","8","7","2","1") = "7"
    & skf18("5","3","4","8","7","3","1") = "7"
    & skf18("5","3","4","8","7","4","1") = "7"
    & skf18("5","3","4","8","7","5","1") = "7"
    & skf18("5","3","4","8","7","6","1") = "7"
    & skf18("5","3","4","8","7","7","1") = "7"
    & skf18("5","3","4","8","7","8","1") = "7"
    & skf18("5","3","4","8","7","9","1") = "8"
    & skf18("5","3","4","8","7","10","1") = "9"
    & skf18("5","3","4","8","8","1","1") = "7"
    & skf18("5","3","4","8","8","2","1") = "7"
    & skf18("5","3","4","8","8","3","1") = "7"
    & skf18("5","3","4","8","8","4","1") = "7"
    & skf18("5","3","4","8","8","5","1") = "7"
    & skf18("5","3","4","8","8","6","1") = "7"
    & skf18("5","3","4","8","8","7","1") = "7"
    & skf18("5","3","4","8","8","8","1") = "7"
    & skf18("5","3","4","8","8","9","1") = "8"
    & skf18("5","3","4","8","8","10","1") = "9"
    & skf18("5","3","4","8","9","1","1") = "8"
    & skf18("5","3","4","8","9","2","1") = "8"
    & skf18("5","3","4","8","9","3","1") = "8"
    & skf18("5","3","4","8","9","4","1") = "8"
    & skf18("5","3","4","8","9","5","1") = "8"
    & skf18("5","3","4","8","9","6","1") = "8"
    & skf18("5","3","4","8","9","7","1") = "8"
    & skf18("5","3","4","8","9","8","1") = "8"
    & skf18("5","3","4","8","9","9","1") = "8"
    & skf18("5","3","4","8","9","10","1") = "9"
    & skf18("5","3","4","8","10","1","1") = "9"
    & skf18("5","3","4","8","10","2","1") = "9"
    & skf18("5","3","4","8","10","3","1") = "9"
    & skf18("5","3","4","8","10","4","1") = "9"
    & skf18("5","3","4","8","10","5","1") = "9"
    & skf18("5","3","4","8","10","6","1") = "9"
    & skf18("5","3","4","8","10","7","1") = "9"
    & skf18("5","3","4","8","10","8","1") = "9"
    & skf18("5","3","4","8","10","9","1") = "9"
    & skf18("5","3","4","8","10","10","1") = "9"
    & skf18("5","3","4","9","1","1","1") = "8"
    & skf18("5","3","4","9","1","2","1") = "8"
    & skf18("5","3","4","9","1","3","1") = "8"
    & skf18("5","3","4","9","1","4","1") = "8"
    & skf18("5","3","4","9","1","5","1") = "8"
    & skf18("5","3","4","9","1","6","1") = "8"
    & skf18("5","3","4","9","1","7","1") = "8"
    & skf18("5","3","4","9","1","8","1") = "8"
    & skf18("5","3","4","9","1","9","1") = "8"
    & skf18("5","3","4","9","1","10","1") = "9"
    & skf18("5","3","4","9","2","1","1") = "8"
    & skf18("5","3","4","9","2","2","1") = "8"
    & skf18("5","3","4","9","2","3","1") = "8"
    & skf18("5","3","4","9","2","4","1") = "8"
    & skf18("5","3","4","9","2","5","1") = "8"
    & skf18("5","3","4","9","2","6","1") = "8"
    & skf18("5","3","4","9","2","7","1") = "8"
    & skf18("5","3","4","9","2","8","1") = "8"
    & skf18("5","3","4","9","2","9","1") = "8"
    & skf18("5","3","4","9","2","10","1") = "9"
    & skf18("5","3","4","9","3","1","1") = "8"
    & skf18("5","3","4","9","3","2","1") = "8"
    & skf18("5","3","4","9","3","3","1") = "8"
    & skf18("5","3","4","9","3","4","1") = "8"
    & skf18("5","3","4","9","3","5","1") = "8"
    & skf18("5","3","4","9","3","6","1") = "8"
    & skf18("5","3","4","9","3","7","1") = "8"
    & skf18("5","3","4","9","3","8","1") = "8"
    & skf18("5","3","4","9","3","9","1") = "8"
    & skf18("5","3","4","9","3","10","1") = "9"
    & skf18("5","3","4","9","4","1","1") = "8"
    & skf18("5","3","4","9","4","2","1") = "8"
    & skf18("5","3","4","9","4","3","1") = "8"
    & skf18("5","3","4","9","4","4","1") = "8"
    & skf18("5","3","4","9","4","5","1") = "8"
    & skf18("5","3","4","9","4","6","1") = "8"
    & skf18("5","3","4","9","4","7","1") = "8"
    & skf18("5","3","4","9","4","8","1") = "8"
    & skf18("5","3","4","9","4","9","1") = "8"
    & skf18("5","3","4","9","4","10","1") = "9"
    & skf18("5","3","4","9","5","1","1") = "8"
    & skf18("5","3","4","9","5","2","1") = "8"
    & skf18("5","3","4","9","5","3","1") = "8"
    & skf18("5","3","4","9","5","4","1") = "8"
    & skf18("5","3","4","9","5","5","1") = "8"
    & skf18("5","3","4","9","5","6","1") = "8"
    & skf18("5","3","4","9","5","7","1") = "8"
    & skf18("5","3","4","9","5","8","1") = "8"
    & skf18("5","3","4","9","5","9","1") = "8"
    & skf18("5","3","4","9","5","10","1") = "9"
    & skf18("5","3","4","9","6","1","1") = "8"
    & skf18("5","3","4","9","6","2","1") = "8"
    & skf18("5","3","4","9","6","3","1") = "8"
    & skf18("5","3","4","9","6","4","1") = "8"
    & skf18("5","3","4","9","6","5","1") = "8"
    & skf18("5","3","4","9","6","6","1") = "8"
    & skf18("5","3","4","9","6","7","1") = "8"
    & skf18("5","3","4","9","6","8","1") = "8"
    & skf18("5","3","4","9","6","9","1") = "8"
    & skf18("5","3","4","9","6","10","1") = "9"
    & skf18("5","3","4","9","7","1","1") = "8"
    & skf18("5","3","4","9","7","2","1") = "8"
    & skf18("5","3","4","9","7","3","1") = "8"
    & skf18("5","3","4","9","7","4","1") = "8"
    & skf18("5","3","4","9","7","5","1") = "8"
    & skf18("5","3","4","9","7","6","1") = "8"
    & skf18("5","3","4","9","7","7","1") = "8"
    & skf18("5","3","4","9","7","8","1") = "8"
    & skf18("5","3","4","9","7","9","1") = "8"
    & skf18("5","3","4","9","7","10","1") = "9"
    & skf18("5","3","4","9","8","1","1") = "8"
    & skf18("5","3","4","9","8","2","1") = "8"
    & skf18("5","3","4","9","8","3","1") = "8"
    & skf18("5","3","4","9","8","4","1") = "8"
    & skf18("5","3","4","9","8","5","1") = "8"
    & skf18("5","3","4","9","8","6","1") = "8"
    & skf18("5","3","4","9","8","7","1") = "8"
    & skf18("5","3","4","9","8","8","1") = "8"
    & skf18("5","3","4","9","8","9","1") = "8"
    & skf18("5","3","4","9","8","10","1") = "9"
    & skf18("5","3","4","9","9","1","1") = "8"
    & skf18("5","3","4","9","9","2","1") = "8"
    & skf18("5","3","4","9","9","3","1") = "8"
    & skf18("5","3","4","9","9","4","1") = "8"
    & skf18("5","3","4","9","9","5","1") = "8"
    & skf18("5","3","4","9","9","6","1") = "8"
    & skf18("5","3","4","9","9","7","1") = "8"
    & skf18("5","3","4","9","9","8","1") = "8"
    & skf18("5","3","4","9","9","9","1") = "8"
    & skf18("5","3","4","9","9","10","1") = "9"
    & skf18("5","3","4","9","10","1","1") = "9"
    & skf18("5","3","4","9","10","2","1") = "9"
    & skf18("5","3","4","9","10","3","1") = "9"
    & skf18("5","3","4","9","10","4","1") = "9"
    & skf18("5","3","4","9","10","5","1") = "9"
    & skf18("5","3","4","9","10","6","1") = "9"
    & skf18("5","3","4","9","10","7","1") = "9"
    & skf18("5","3","4","9","10","8","1") = "9"
    & skf18("5","3","4","9","10","9","1") = "9"
    & skf18("5","3","4","9","10","10","1") = "9"
    & skf18("5","3","4","10","1","1","1") = "9"
    & skf18("5","3","4","10","1","2","1") = "9"
    & skf18("5","3","4","10","1","3","1") = "9"
    & skf18("5","3","4","10","1","4","1") = "9"
    & skf18("5","3","4","10","1","5","1") = "9"
    & skf18("5","3","4","10","1","6","1") = "9"
    & skf18("5","3","4","10","1","7","1") = "9"
    & skf18("5","3","4","10","1","8","1") = "9"
    & skf18("5","3","4","10","1","9","1") = "9"
    & skf18("5","3","4","10","1","10","1") = "9"
    & skf18("5","3","4","10","2","1","1") = "9"
    & skf18("5","3","4","10","2","2","1") = "9"
    & skf18("5","3","4","10","2","3","1") = "9"
    & skf18("5","3","4","10","2","4","1") = "9"
    & skf18("5","3","4","10","2","5","1") = "9"
    & skf18("5","3","4","10","2","6","1") = "9"
    & skf18("5","3","4","10","2","7","1") = "9"
    & skf18("5","3","4","10","2","8","1") = "9"
    & skf18("5","3","4","10","2","9","1") = "9"
    & skf18("5","3","4","10","2","10","1") = "9"
    & skf18("5","3","4","10","3","1","1") = "9"
    & skf18("5","3","4","10","3","2","1") = "9"
    & skf18("5","3","4","10","3","3","1") = "9"
    & skf18("5","3","4","10","3","4","1") = "9"
    & skf18("5","3","4","10","3","5","1") = "9"
    & skf18("5","3","4","10","3","6","1") = "9"
    & skf18("5","3","4","10","3","7","1") = "9"
    & skf18("5","3","4","10","3","8","1") = "9"
    & skf18("5","3","4","10","3","9","1") = "9"
    & skf18("5","3","4","10","3","10","1") = "9"
    & skf18("5","3","4","10","4","1","1") = "9"
    & skf18("5","3","4","10","4","2","1") = "9"
    & skf18("5","3","4","10","4","3","1") = "9"
    & skf18("5","3","4","10","4","4","1") = "9"
    & skf18("5","3","4","10","4","5","1") = "9"
    & skf18("5","3","4","10","4","6","1") = "9"
    & skf18("5","3","4","10","4","7","1") = "9"
    & skf18("5","3","4","10","4","8","1") = "9"
    & skf18("5","3","4","10","4","9","1") = "9"
    & skf18("5","3","4","10","4","10","1") = "9"
    & skf18("5","3","4","10","5","1","1") = "9"
    & skf18("5","3","4","10","5","2","1") = "9"
    & skf18("5","3","4","10","5","3","1") = "9"
    & skf18("5","3","4","10","5","4","1") = "9"
    & skf18("5","3","4","10","5","5","1") = "9"
    & skf18("5","3","4","10","5","6","1") = "9"
    & skf18("5","3","4","10","5","7","1") = "9"
    & skf18("5","3","4","10","5","8","1") = "9"
    & skf18("5","3","4","10","5","9","1") = "9"
    & skf18("5","3","4","10","5","10","1") = "9"
    & skf18("5","3","4","10","6","1","1") = "9"
    & skf18("5","3","4","10","6","2","1") = "9"
    & skf18("5","3","4","10","6","3","1") = "9"
    & skf18("5","3","4","10","6","4","1") = "9"
    & skf18("5","3","4","10","6","5","1") = "9"
    & skf18("5","3","4","10","6","6","1") = "9"
    & skf18("5","3","4","10","6","7","1") = "9"
    & skf18("5","3","4","10","6","8","1") = "9"
    & skf18("5","3","4","10","6","9","1") = "9"
    & skf18("5","3","4","10","6","10","1") = "9"
    & skf18("5","3","4","10","7","1","1") = "9"
    & skf18("5","3","4","10","7","2","1") = "9"
    & skf18("5","3","4","10","7","3","1") = "9"
    & skf18("5","3","4","10","7","4","1") = "9"
    & skf18("5","3","4","10","7","5","1") = "9"
    & skf18("5","3","4","10","7","6","1") = "9"
    & skf18("5","3","4","10","7","7","1") = "9"
    & skf18("5","3","4","10","7","8","1") = "9"
    & skf18("5","3","4","10","7","9","1") = "9"
    & skf18("5","3","4","10","7","10","1") = "9"
    & skf18("5","3","4","10","8","1","1") = "9"
    & skf18("5","3","4","10","8","2","1") = "9"
    & skf18("5","3","4","10","8","3","1") = "9"
    & skf18("5","3","4","10","8","4","1") = "9"
    & skf18("5","3","4","10","8","5","1") = "9"
    & skf18("5","3","4","10","8","6","1") = "9"
    & skf18("5","3","4","10","8","7","1") = "9"
    & skf18("5","3","4","10","8","8","1") = "9"
    & skf18("5","3","4","10","8","9","1") = "9"
    & skf18("5","3","4","10","8","10","1") = "9"
    & skf18("5","3","4","10","9","1","1") = "9"
    & skf18("5","3","4","10","9","2","1") = "9"
    & skf18("5","3","4","10","9","3","1") = "9"
    & skf18("5","3","4","10","9","4","1") = "9"
    & skf18("5","3","4","10","9","5","1") = "9"
    & skf18("5","3","4","10","9","6","1") = "9"
    & skf18("5","3","4","10","9","7","1") = "9"
    & skf18("5","3","4","10","9","8","1") = "9"
    & skf18("5","3","4","10","9","9","1") = "9"
    & skf18("5","3","4","10","9","10","1") = "9"
    & skf18("5","3","4","10","10","1","1") = "9"
    & skf18("5","3","4","10","10","2","1") = "9"
    & skf18("5","3","4","10","10","3","1") = "9"
    & skf18("5","3","4","10","10","4","1") = "9"
    & skf18("5","3","4","10","10","5","1") = "9"
    & skf18("5","3","4","10","10","6","1") = "9"
    & skf18("5","3","4","10","10","7","1") = "9"
    & skf18("5","3","4","10","10","8","1") = "9"
    & skf18("5","3","4","10","10","9","1") = "9"
    & skf18("5","3","4","10","10","10","1") = "9"
    & skf18("5","3","5","1","1","1","1") = "4"
    & skf18("5","3","5","1","1","2","1") = "4"
    & skf18("5","3","5","1","1","3","1") = "4"
    & skf18("5","3","5","1","1","4","1") = "4"
    & skf18("5","3","5","1","1","5","1") = "4"
    & skf18("5","3","5","1","1","6","1") = "5"
    & skf18("5","3","5","1","1","7","1") = "6"
    & skf18("5","3","5","1","1","8","1") = "7"
    & skf18("5","3","5","1","1","9","1") = "8"
    & skf18("5","3","5","1","1","10","1") = "9"
    & skf18("5","3","5","1","2","1","1") = "4"
    & skf18("5","3","5","1","2","2","1") = "4"
    & skf18("5","3","5","1","2","3","1") = "4"
    & skf18("5","3","5","1","2","4","1") = "4"
    & skf18("5","3","5","1","2","5","1") = "4"
    & skf18("5","3","5","1","2","6","1") = "5"
    & skf18("5","3","5","1","2","7","1") = "6"
    & skf18("5","3","5","1","2","8","1") = "7"
    & skf18("5","3","5","1","2","9","1") = "8"
    & skf18("5","3","5","1","2","10","1") = "9"
    & skf18("5","3","5","1","3","1","1") = "4"
    & skf18("5","3","5","1","3","2","1") = "4"
    & skf18("5","3","5","1","3","3","1") = "4"
    & skf18("5","3","5","1","3","4","1") = "4"
    & skf18("5","3","5","1","3","5","1") = "4"
    & skf18("5","3","5","1","3","6","1") = "5"
    & skf18("5","3","5","1","3","7","1") = "6"
    & skf18("5","3","5","1","3","8","1") = "7"
    & skf18("5","3","5","1","3","9","1") = "8"
    & skf18("5","3","5","1","3","10","1") = "9"
    & skf18("5","3","5","1","4","1","1") = "4"
    & skf18("5","3","5","1","4","2","1") = "4"
    & skf18("5","3","5","1","4","3","1") = "4"
    & skf18("5","3","5","1","4","4","1") = "4"
    & skf18("5","3","5","1","4","5","1") = "4"
    & skf18("5","3","5","1","4","6","1") = "5"
    & skf18("5","3","5","1","4","7","1") = "6"
    & skf18("5","3","5","1","4","8","1") = "7"
    & skf18("5","3","5","1","4","9","1") = "8"
    & skf18("5","3","5","1","4","10","1") = "9"
    & skf18("5","3","5","1","5","1","1") = "4"
    & skf18("5","3","5","1","5","2","1") = "4"
    & skf18("5","3","5","1","5","3","1") = "4"
    & skf18("5","3","5","1","5","4","1") = "4"
    & skf18("5","3","5","1","5","5","1") = "4"
    & skf18("5","3","5","1","5","6","1") = "5"
    & skf18("5","3","5","1","5","7","1") = "6"
    & skf18("5","3","5","1","5","8","1") = "7"
    & skf18("5","3","5","1","5","9","1") = "8"
    & skf18("5","3","5","1","5","10","1") = "9"
    & skf18("5","3","5","1","6","1","1") = "5"
    & skf18("5","3","5","1","6","2","1") = "5"
    & skf18("5","3","5","1","6","3","1") = "5"
    & skf18("5","3","5","1","6","4","1") = "5"
    & skf18("5","3","5","1","6","5","1") = "5"
    & skf18("5","3","5","1","6","6","1") = "5"
    & skf18("5","3","5","1","6","7","1") = "6"
    & skf18("5","3","5","1","6","8","1") = "7"
    & skf18("5","3","5","1","6","9","1") = "8"
    & skf18("5","3","5","1","6","10","1") = "9"
    & skf18("5","3","5","1","7","1","1") = "6"
    & skf18("5","3","5","1","7","2","1") = "6"
    & skf18("5","3","5","1","7","3","1") = "6"
    & skf18("5","3","5","1","7","4","1") = "6"
    & skf18("5","3","5","1","7","5","1") = "6"
    & skf18("5","3","5","1","7","6","1") = "6"
    & skf18("5","3","5","1","7","7","1") = "6"
    & skf18("5","3","5","1","7","8","1") = "7"
    & skf18("5","3","5","1","7","9","1") = "8"
    & skf18("5","3","5","1","7","10","1") = "9"
    & skf18("5","3","5","1","8","1","1") = "7"
    & skf18("5","3","5","1","8","2","1") = "7"
    & skf18("5","3","5","1","8","3","1") = "7"
    & skf18("5","3","5","1","8","4","1") = "7"
    & skf18("5","3","5","1","8","5","1") = "7"
    & skf18("5","3","5","1","8","6","1") = "7"
    & skf18("5","3","5","1","8","7","1") = "7"
    & skf18("5","3","5","1","8","8","1") = "7"
    & skf18("5","3","5","1","8","9","1") = "8"
    & skf18("5","3","5","1","8","10","1") = "9"
    & skf18("5","3","5","1","9","1","1") = "8"
    & skf18("5","3","5","1","9","2","1") = "8"
    & skf18("5","3","5","1","9","3","1") = "8"
    & skf18("5","3","5","1","9","4","1") = "8"
    & skf18("5","3","5","1","9","5","1") = "8"
    & skf18("5","3","5","1","9","6","1") = "8"
    & skf18("5","3","5","1","9","7","1") = "8"
    & skf18("5","3","5","1","9","8","1") = "8"
    & skf18("5","3","5","1","9","9","1") = "8"
    & skf18("5","3","5","1","9","10","1") = "9"
    & skf18("5","3","5","1","10","1","1") = "9"
    & skf18("5","3","5","1","10","2","1") = "9"
    & skf18("5","3","5","1","10","3","1") = "9"
    & skf18("5","3","5","1","10","4","1") = "9"
    & skf18("5","3","5","1","10","5","1") = "9"
    & skf18("5","3","5","1","10","6","1") = "9"
    & skf18("5","3","5","1","10","7","1") = "9"
    & skf18("5","3","5","1","10","8","1") = "9"
    & skf18("5","3","5","1","10","9","1") = "9"
    & skf18("5","3","5","1","10","10","1") = "9"
    & skf18("5","3","5","2","1","1","1") = "4"
    & skf18("5","3","5","2","1","2","1") = "4"
    & skf18("5","3","5","2","1","3","1") = "4"
    & skf18("5","3","5","2","1","4","1") = "4"
    & skf18("5","3","5","2","1","5","1") = "4"
    & skf18("5","3","5","2","1","6","1") = "5"
    & skf18("5","3","5","2","1","7","1") = "6"
    & skf18("5","3","5","2","1","8","1") = "7"
    & skf18("5","3","5","2","1","9","1") = "8"
    & skf18("5","3","5","2","1","10","1") = "9"
    & skf18("5","3","5","2","2","1","1") = "4"
    & skf18("5","3","5","2","2","2","1") = "4"
    & skf18("5","3","5","2","2","3","1") = "4"
    & skf18("5","3","5","2","2","4","1") = "4"
    & skf18("5","3","5","2","2","5","1") = "4"
    & skf18("5","3","5","2","2","6","1") = "5"
    & skf18("5","3","5","2","2","7","1") = "6"
    & skf18("5","3","5","2","2","8","1") = "7"
    & skf18("5","3","5","2","2","9","1") = "8"
    & skf18("5","3","5","2","2","10","1") = "9"
    & skf18("5","3","5","2","3","1","1") = "4"
    & skf18("5","3","5","2","3","2","1") = "4"
    & skf18("5","3","5","2","3","3","1") = "4"
    & skf18("5","3","5","2","3","4","1") = "4"
    & skf18("5","3","5","2","3","5","1") = "4"
    & skf18("5","3","5","2","3","6","1") = "5"
    & skf18("5","3","5","2","3","7","1") = "6"
    & skf18("5","3","5","2","3","8","1") = "7"
    & skf18("5","3","5","2","3","9","1") = "8"
    & skf18("5","3","5","2","3","10","1") = "9"
    & skf18("5","3","5","2","4","1","1") = "4"
    & skf18("5","3","5","2","4","2","1") = "4"
    & skf18("5","3","5","2","4","3","1") = "4"
    & skf18("5","3","5","2","4","4","1") = "4"
    & skf18("5","3","5","2","4","5","1") = "4"
    & skf18("5","3","5","2","4","6","1") = "5"
    & skf18("5","3","5","2","4","7","1") = "6"
    & skf18("5","3","5","2","4","8","1") = "7"
    & skf18("5","3","5","2","4","9","1") = "8"
    & skf18("5","3","5","2","4","10","1") = "9"
    & skf18("5","3","5","2","5","1","1") = "4"
    & skf18("5","3","5","2","5","2","1") = "4"
    & skf18("5","3","5","2","5","3","1") = "4"
    & skf18("5","3","5","2","5","4","1") = "4"
    & skf18("5","3","5","2","5","5","1") = "4"
    & skf18("5","3","5","2","5","6","1") = "5"
    & skf18("5","3","5","2","5","7","1") = "6"
    & skf18("5","3","5","2","5","8","1") = "7"
    & skf18("5","3","5","2","5","9","1") = "8"
    & skf18("5","3","5","2","5","10","1") = "9"
    & skf18("5","3","5","2","6","1","1") = "5"
    & skf18("5","3","5","2","6","2","1") = "5"
    & skf18("5","3","5","2","6","3","1") = "5"
    & skf18("5","3","5","2","6","4","1") = "5"
    & skf18("5","3","5","2","6","5","1") = "5"
    & skf18("5","3","5","2","6","6","1") = "5"
    & skf18("5","3","5","2","6","7","1") = "6"
    & skf18("5","3","5","2","6","8","1") = "7"
    & skf18("5","3","5","2","6","9","1") = "8"
    & skf18("5","3","5","2","6","10","1") = "9"
    & skf18("5","3","5","2","7","1","1") = "6"
    & skf18("5","3","5","2","7","2","1") = "6"
    & skf18("5","3","5","2","7","3","1") = "6"
    & skf18("5","3","5","2","7","4","1") = "6"
    & skf18("5","3","5","2","7","5","1") = "6"
    & skf18("5","3","5","2","7","6","1") = "6"
    & skf18("5","3","5","2","7","7","1") = "6"
    & skf18("5","3","5","2","7","8","1") = "7"
    & skf18("5","3","5","2","7","9","1") = "8"
    & skf18("5","3","5","2","7","10","1") = "9"
    & skf18("5","3","5","2","8","1","1") = "7"
    & skf18("5","3","5","2","8","2","1") = "7"
    & skf18("5","3","5","2","8","3","1") = "7"
    & skf18("5","3","5","2","8","4","1") = "7"
    & skf18("5","3","5","2","8","5","1") = "7"
    & skf18("5","3","5","2","8","6","1") = "7"
    & skf18("5","3","5","2","8","7","1") = "7"
    & skf18("5","3","5","2","8","8","1") = "7"
    & skf18("5","3","5","2","8","9","1") = "8"
    & skf18("5","3","5","2","8","10","1") = "9"
    & skf18("5","3","5","2","9","1","1") = "8"
    & skf18("5","3","5","2","9","2","1") = "8"
    & skf18("5","3","5","2","9","3","1") = "8"
    & skf18("5","3","5","2","9","4","1") = "8"
    & skf18("5","3","5","2","9","5","1") = "8"
    & skf18("5","3","5","2","9","6","1") = "8"
    & skf18("5","3","5","2","9","7","1") = "8"
    & skf18("5","3","5","2","9","8","1") = "8"
    & skf18("5","3","5","2","9","9","1") = "8"
    & skf18("5","3","5","2","9","10","1") = "9"
    & skf18("5","3","5","2","10","1","1") = "9"
    & skf18("5","3","5","2","10","2","1") = "9"
    & skf18("5","3","5","2","10","3","1") = "9"
    & skf18("5","3","5","2","10","4","1") = "9"
    & skf18("5","3","5","2","10","5","1") = "9"
    & skf18("5","3","5","2","10","6","1") = "9"
    & skf18("5","3","5","2","10","7","1") = "9"
    & skf18("5","3","5","2","10","8","1") = "9"
    & skf18("5","3","5","2","10","9","1") = "9"
    & skf18("5","3","5","2","10","10","1") = "9"
    & skf18("5","3","5","3","1","1","1") = "4"
    & skf18("5","3","5","3","1","2","1") = "3"
    & skf18("5","3","5","3","1","3","1") = "3"
    & skf18("5","3","5","3","1","4","1") = "4"
    & skf18("5","3","5","3","1","5","1") = "4"
    & skf18("5","3","5","3","1","6","1") = "5"
    & skf18("5","3","5","3","1","7","1") = "6"
    & skf18("5","3","5","3","1","8","1") = "7"
    & skf18("5","3","5","3","1","9","1") = "8"
    & skf18("5","3","5","3","1","10","1") = "9"
    & skf18("5","3","5","3","2","1","1") = "4"
    & skf18("5","3","5","3","2","2","1") = "4"
    & skf18("5","3","5","3","2","3","1") = "4"
    & skf18("5","3","5","3","2","4","1") = "4"
    & skf18("5","3","5","3","2","5","1") = "4"
    & skf18("5","3","5","3","2","6","1") = "5"
    & skf18("5","3","5","3","2","7","1") = "6"
    & skf18("5","3","5","3","2","8","1") = "7"
    & skf18("5","3","5","3","2","9","1") = "8"
    & skf18("5","3","5","3","2","10","1") = "9"
    & skf18("5","3","5","3","3","1","1") = "4"
    & skf18("5","3","5","3","3","2","1") = "4"
    & skf18("5","3","5","3","3","3","1") = "4"
    & skf18("5","3","5","3","3","4","1") = "4"
    & skf18("5","3","5","3","3","5","1") = "4"
    & skf18("5","3","5","3","3","6","1") = "5"
    & skf18("5","3","5","3","3","7","1") = "6"
    & skf18("5","3","5","3","3","8","1") = "7"
    & skf18("5","3","5","3","3","9","1") = "8"
    & skf18("5","3","5","3","3","10","1") = "9"
    & skf18("5","3","5","3","4","1","1") = "4"
    & skf18("5","3","5","3","4","2","1") = "4"
    & skf18("5","3","5","3","4","3","1") = "4"
    & skf18("5","3","5","3","4","4","1") = "4"
    & skf18("5","3","5","3","4","5","1") = "4"
    & skf18("5","3","5","3","4","6","1") = "5"
    & skf18("5","3","5","3","4","7","1") = "6"
    & skf18("5","3","5","3","4","8","1") = "7"
    & skf18("5","3","5","3","4","9","1") = "8"
    & skf18("5","3","5","3","4","10","1") = "9"
    & skf18("5","3","5","3","5","1","1") = "4"
    & skf18("5","3","5","3","5","2","1") = "4"
    & skf18("5","3","5","3","5","3","1") = "4"
    & skf18("5","3","5","3","5","4","1") = "4"
    & skf18("5","3","5","3","5","5","1") = "4"
    & skf18("5","3","5","3","5","6","1") = "5"
    & skf18("5","3","5","3","5","7","1") = "6"
    & skf18("5","3","5","3","5","8","1") = "7"
    & skf18("5","3","5","3","5","9","1") = "8"
    & skf18("5","3","5","3","5","10","1") = "9"
    & skf18("5","3","5","3","6","1","1") = "5"
    & skf18("5","3","5","3","6","2","1") = "5"
    & skf18("5","3","5","3","6","3","1") = "5"
    & skf18("5","3","5","3","6","4","1") = "5"
    & skf18("5","3","5","3","6","5","1") = "5"
    & skf18("5","3","5","3","6","6","1") = "5"
    & skf18("5","3","5","3","6","7","1") = "6"
    & skf18("5","3","5","3","6","8","1") = "7"
    & skf18("5","3","5","3","6","9","1") = "8"
    & skf18("5","3","5","3","6","10","1") = "9"
    & skf18("5","3","5","3","7","1","1") = "6"
    & skf18("5","3","5","3","7","2","1") = "6"
    & skf18("5","3","5","3","7","3","1") = "6"
    & skf18("5","3","5","3","7","4","1") = "6"
    & skf18("5","3","5","3","7","5","1") = "6"
    & skf18("5","3","5","3","7","6","1") = "6"
    & skf18("5","3","5","3","7","7","1") = "6"
    & skf18("5","3","5","3","7","8","1") = "7"
    & skf18("5","3","5","3","7","9","1") = "8"
    & skf18("5","3","5","3","7","10","1") = "9"
    & skf18("5","3","5","3","8","1","1") = "7"
    & skf18("5","3","5","3","8","2","1") = "7"
    & skf18("5","3","5","3","8","3","1") = "7"
    & skf18("5","3","5","3","8","4","1") = "7"
    & skf18("5","3","5","3","8","5","1") = "7"
    & skf18("5","3","5","3","8","6","1") = "7"
    & skf18("5","3","5","3","8","7","1") = "7"
    & skf18("5","3","5","3","8","8","1") = "7"
    & skf18("5","3","5","3","8","9","1") = "8"
    & skf18("5","3","5","3","8","10","1") = "9"
    & skf18("5","3","5","3","9","1","1") = "8"
    & skf18("5","3","5","3","9","2","1") = "8"
    & skf18("5","3","5","3","9","3","1") = "8"
    & skf18("5","3","5","3","9","4","1") = "8"
    & skf18("5","3","5","3","9","5","1") = "8"
    & skf18("5","3","5","3","9","6","1") = "8"
    & skf18("5","3","5","3","9","7","1") = "8"
    & skf18("5","3","5","3","9","8","1") = "8"
    & skf18("5","3","5","3","9","9","1") = "8"
    & skf18("5","3","5","3","9","10","1") = "9"
    & skf18("5","3","5","3","10","1","1") = "9"
    & skf18("5","3","5","3","10","2","1") = "9"
    & skf18("5","3","5","3","10","3","1") = "9"
    & skf18("5","3","5","3","10","4","1") = "9"
    & skf18("5","3","5","3","10","5","1") = "9"
    & skf18("5","3","5","3","10","6","1") = "9"
    & skf18("5","3","5","3","10","7","1") = "9"
    & skf18("5","3","5","3","10","8","1") = "9"
    & skf18("5","3","5","3","10","9","1") = "9"
    & skf18("5","3","5","3","10","10","1") = "9"
    & skf18("5","3","5","4","1","1","1") = "4"
    & skf18("5","3","5","4","1","2","1") = "4"
    & skf18("5","3","5","4","1","3","1") = "4"
    & skf18("5","3","5","4","1","4","1") = "4"
    & skf18("5","3","5","4","1","5","1") = "4"
    & skf18("5","3","5","4","1","6","1") = "5"
    & skf18("5","3","5","4","1","7","1") = "6"
    & skf18("5","3","5","4","1","8","1") = "7"
    & skf18("5","3","5","4","1","9","1") = "8"
    & skf18("5","3","5","4","1","10","1") = "9"
    & skf18("5","3","5","4","2","1","1") = "4"
    & skf18("5","3","5","4","2","2","1") = "4"
    & skf18("5","3","5","4","2","3","1") = "4"
    & skf18("5","3","5","4","2","4","1") = "4"
    & skf18("5","3","5","4","2","5","1") = "4"
    & skf18("5","3","5","4","2","6","1") = "5"
    & skf18("5","3","5","4","2","7","1") = "6"
    & skf18("5","3","5","4","2","8","1") = "7"
    & skf18("5","3","5","4","2","9","1") = "8"
    & skf18("5","3","5","4","2","10","1") = "9"
    & skf18("5","3","5","4","3","1","1") = "4"
    & skf18("5","3","5","4","3","2","1") = "4"
    & skf18("5","3","5","4","3","3","1") = "4"
    & skf18("5","3","5","4","3","4","1") = "4"
    & skf18("5","3","5","4","3","5","1") = "4"
    & skf18("5","3","5","4","3","6","1") = "5"
    & skf18("5","3","5","4","3","7","1") = "6"
    & skf18("5","3","5","4","3","8","1") = "7"
    & skf18("5","3","5","4","3","9","1") = "8"
    & skf18("5","3","5","4","3","10","1") = "9"
    & skf18("5","3","5","4","4","1","1") = "4"
    & skf18("5","3","5","4","4","2","1") = "4"
    & skf18("5","3","5","4","4","3","1") = "4"
    & skf18("5","3","5","4","4","4","1") = "4"
    & skf18("5","3","5","4","4","5","1") = "4"
    & skf18("5","3","5","4","4","6","1") = "5"
    & skf18("5","3","5","4","4","7","1") = "6"
    & skf18("5","3","5","4","4","8","1") = "7"
    & skf18("5","3","5","4","4","9","1") = "8"
    & skf18("5","3","5","4","4","10","1") = "9"
    & skf18("5","3","5","4","5","1","1") = "4"
    & skf18("5","3","5","4","5","2","1") = "4"
    & skf18("5","3","5","4","5","3","1") = "4"
    & skf18("5","3","5","4","5","4","1") = "4"
    & skf18("5","3","5","4","5","5","1") = "4"
    & skf18("5","3","5","4","5","6","1") = "5"
    & skf18("5","3","5","4","5","7","1") = "6"
    & skf18("5","3","5","4","5","8","1") = "7"
    & skf18("5","3","5","4","5","9","1") = "8"
    & skf18("5","3","5","4","5","10","1") = "9"
    & skf18("5","3","5","4","6","1","1") = "5"
    & skf18("5","3","5","4","6","2","1") = "5"
    & skf18("5","3","5","4","6","3","1") = "5"
    & skf18("5","3","5","4","6","4","1") = "5"
    & skf18("5","3","5","4","6","5","1") = "5"
    & skf18("5","3","5","4","6","6","1") = "5"
    & skf18("5","3","5","4","6","7","1") = "6"
    & skf18("5","3","5","4","6","8","1") = "7"
    & skf18("5","3","5","4","6","9","1") = "8"
    & skf18("5","3","5","4","6","10","1") = "9"
    & skf18("5","3","5","4","7","1","1") = "6"
    & skf18("5","3","5","4","7","2","1") = "6"
    & skf18("5","3","5","4","7","3","1") = "6"
    & skf18("5","3","5","4","7","4","1") = "6"
    & skf18("5","3","5","4","7","5","1") = "6"
    & skf18("5","3","5","4","7","6","1") = "6"
    & skf18("5","3","5","4","7","7","1") = "6"
    & skf18("5","3","5","4","7","8","1") = "7"
    & skf18("5","3","5","4","7","9","1") = "8"
    & skf18("5","3","5","4","7","10","1") = "9"
    & skf18("5","3","5","4","8","1","1") = "7"
    & skf18("5","3","5","4","8","2","1") = "7"
    & skf18("5","3","5","4","8","3","1") = "7"
    & skf18("5","3","5","4","8","4","1") = "7"
    & skf18("5","3","5","4","8","5","1") = "7"
    & skf18("5","3","5","4","8","6","1") = "7"
    & skf18("5","3","5","4","8","7","1") = "7"
    & skf18("5","3","5","4","8","8","1") = "7"
    & skf18("5","3","5","4","8","9","1") = "8"
    & skf18("5","3","5","4","8","10","1") = "9"
    & skf18("5","3","5","4","9","1","1") = "8"
    & skf18("5","3","5","4","9","2","1") = "8"
    & skf18("5","3","5","4","9","3","1") = "8"
    & skf18("5","3","5","4","9","4","1") = "8"
    & skf18("5","3","5","4","9","5","1") = "8"
    & skf18("5","3","5","4","9","6","1") = "8"
    & skf18("5","3","5","4","9","7","1") = "8"
    & skf18("5","3","5","4","9","8","1") = "8"
    & skf18("5","3","5","4","9","9","1") = "8"
    & skf18("5","3","5","4","9","10","1") = "9"
    & skf18("5","3","5","4","10","1","1") = "9"
    & skf18("5","3","5","4","10","2","1") = "9"
    & skf18("5","3","5","4","10","3","1") = "9"
    & skf18("5","3","5","4","10","4","1") = "9"
    & skf18("5","3","5","4","10","5","1") = "9"
    & skf18("5","3","5","4","10","6","1") = "9"
    & skf18("5","3","5","4","10","7","1") = "9"
    & skf18("5","3","5","4","10","8","1") = "9"
    & skf18("5","3","5","4","10","9","1") = "9"
    & skf18("5","3","5","4","10","10","1") = "9"
    & skf18("5","3","5","5","1","1","1") = "4"
    & skf18("5","3","5","5","1","2","1") = "4"
    & skf18("5","3","5","5","1","3","1") = "4"
    & skf18("5","3","5","5","1","4","1") = "4"
    & skf18("5","3","5","5","1","5","1") = "4"
    & skf18("5","3","5","5","1","6","1") = "5"
    & skf18("5","3","5","5","1","7","1") = "6"
    & skf18("5","3","5","5","1","8","1") = "7"
    & skf18("5","3","5","5","1","9","1") = "8"
    & skf18("5","3","5","5","1","10","1") = "9"
    & skf18("5","3","5","5","2","1","1") = "4"
    & skf18("5","3","5","5","2","2","1") = "4"
    & skf18("5","3","5","5","2","3","1") = "4"
    & skf18("5","3","5","5","2","4","1") = "4"
    & skf18("5","3","5","5","2","5","1") = "4"
    & skf18("5","3","5","5","2","6","1") = "5"
    & skf18("5","3","5","5","2","7","1") = "6"
    & skf18("5","3","5","5","2","8","1") = "7"
    & skf18("5","3","5","5","2","9","1") = "8"
    & skf18("5","3","5","5","2","10","1") = "9"
    & skf18("5","3","5","5","3","1","1") = "4"
    & skf18("5","3","5","5","3","2","1") = "4"
    & skf18("5","3","5","5","3","3","1") = "4"
    & skf18("5","3","5","5","3","4","1") = "4"
    & skf18("5","3","5","5","3","5","1") = "4"
    & skf18("5","3","5","5","3","6","1") = "5"
    & skf18("5","3","5","5","3","7","1") = "6"
    & skf18("5","3","5","5","3","8","1") = "7"
    & skf18("5","3","5","5","3","9","1") = "8"
    & skf18("5","3","5","5","3","10","1") = "9"
    & skf18("5","3","5","5","4","1","1") = "4"
    & skf18("5","3","5","5","4","2","1") = "4"
    & skf18("5","3","5","5","4","3","1") = "4"
    & skf18("5","3","5","5","4","4","1") = "4"
    & skf18("5","3","5","5","4","5","1") = "4"
    & skf18("5","3","5","5","4","6","1") = "5"
    & skf18("5","3","5","5","4","7","1") = "6"
    & skf18("5","3","5","5","4","8","1") = "7"
    & skf18("5","3","5","5","4","9","1") = "8"
    & skf18("5","3","5","5","4","10","1") = "9"
    & skf18("5","3","5","5","5","1","1") = "4"
    & skf18("5","3","5","5","5","2","1") = "4"
    & skf18("5","3","5","5","5","3","1") = "4"
    & skf18("5","3","5","5","5","4","1") = "4"
    & skf18("5","3","5","5","5","5","1") = "4"
    & skf18("5","3","5","5","5","6","1") = "5"
    & skf18("5","3","5","5","5","7","1") = "6"
    & skf18("5","3","5","5","5","8","1") = "7"
    & skf18("5","3","5","5","5","9","1") = "8"
    & skf18("5","3","5","5","5","10","1") = "9"
    & skf18("5","3","5","5","6","1","1") = "5"
    & skf18("5","3","5","5","6","2","1") = "5"
    & skf18("5","3","5","5","6","3","1") = "5"
    & skf18("5","3","5","5","6","4","1") = "5"
    & skf18("5","3","5","5","6","5","1") = "5"
    & skf18("5","3","5","5","6","6","1") = "5"
    & skf18("5","3","5","5","6","7","1") = "6"
    & skf18("5","3","5","5","6","8","1") = "7"
    & skf18("5","3","5","5","6","9","1") = "8"
    & skf18("5","3","5","5","6","10","1") = "9"
    & skf18("5","3","5","5","7","1","1") = "6"
    & skf18("5","3","5","5","7","2","1") = "6"
    & skf18("5","3","5","5","7","3","1") = "6"
    & skf18("5","3","5","5","7","4","1") = "6"
    & skf18("5","3","5","5","7","5","1") = "6"
    & skf18("5","3","5","5","7","6","1") = "6"
    & skf18("5","3","5","5","7","7","1") = "6"
    & skf18("5","3","5","5","7","8","1") = "7"
    & skf18("5","3","5","5","7","9","1") = "8"
    & skf18("5","3","5","5","7","10","1") = "9"
    & skf18("5","3","5","5","8","1","1") = "7"
    & skf18("5","3","5","5","8","2","1") = "7"
    & skf18("5","3","5","5","8","3","1") = "7"
    & skf18("5","3","5","5","8","4","1") = "7"
    & skf18("5","3","5","5","8","5","1") = "7"
    & skf18("5","3","5","5","8","6","1") = "7"
    & skf18("5","3","5","5","8","7","1") = "7"
    & skf18("5","3","5","5","8","8","1") = "7"
    & skf18("5","3","5","5","8","9","1") = "8"
    & skf18("5","3","5","5","8","10","1") = "9"
    & skf18("5","3","5","5","9","1","1") = "8"
    & skf18("5","3","5","5","9","2","1") = "8"
    & skf18("5","3","5","5","9","3","1") = "8"
    & skf18("5","3","5","5","9","4","1") = "8"
    & skf18("5","3","5","5","9","5","1") = "8"
    & skf18("5","3","5","5","9","6","1") = "8"
    & skf18("5","3","5","5","9","7","1") = "8"
    & skf18("5","3","5","5","9","8","1") = "8"
    & skf18("5","3","5","5","9","9","1") = "8"
    & skf18("5","3","5","5","9","10","1") = "9"
    & skf18("5","3","5","5","10","1","1") = "9"
    & skf18("5","3","5","5","10","2","1") = "9"
    & skf18("5","3","5","5","10","3","1") = "9"
    & skf18("5","3","5","5","10","4","1") = "9"
    & skf18("5","3","5","5","10","5","1") = "9"
    & skf18("5","3","5","5","10","6","1") = "9"
    & skf18("5","3","5","5","10","7","1") = "9"
    & skf18("5","3","5","5","10","8","1") = "9"
    & skf18("5","3","5","5","10","9","1") = "9"
    & skf18("5","3","5","5","10","10","1") = "9"
    & skf18("5","3","5","6","1","1","1") = "5"
    & skf18("5","3","5","6","1","2","1") = "5"
    & skf18("5","3","5","6","1","3","1") = "5"
    & skf18("5","3","5","6","1","4","1") = "5"
    & skf18("5","3","5","6","1","5","1") = "5"
    & skf18("5","3","5","6","1","6","1") = "5"
    & skf18("5","3","5","6","1","7","1") = "6"
    & skf18("5","3","5","6","1","8","1") = "7"
    & skf18("5","3","5","6","1","9","1") = "8"
    & skf18("5","3","5","6","1","10","1") = "9"
    & skf18("5","3","5","6","2","1","1") = "5"
    & skf18("5","3","5","6","2","2","1") = "5"
    & skf18("5","3","5","6","2","3","1") = "5"
    & skf18("5","3","5","6","2","4","1") = "5"
    & skf18("5","3","5","6","2","5","1") = "5"
    & skf18("5","3","5","6","2","6","1") = "5"
    & skf18("5","3","5","6","2","7","1") = "6"
    & skf18("5","3","5","6","2","8","1") = "7"
    & skf18("5","3","5","6","2","9","1") = "8"
    & skf18("5","3","5","6","2","10","1") = "9"
    & skf18("5","3","5","6","3","1","1") = "5"
    & skf18("5","3","5","6","3","2","1") = "5"
    & skf18("5","3","5","6","3","3","1") = "5"
    & skf18("5","3","5","6","3","4","1") = "5"
    & skf18("5","3","5","6","3","5","1") = "5"
    & skf18("5","3","5","6","3","6","1") = "5"
    & skf18("5","3","5","6","3","7","1") = "6"
    & skf18("5","3","5","6","3","8","1") = "7"
    & skf18("5","3","5","6","3","9","1") = "8"
    & skf18("5","3","5","6","3","10","1") = "9"
    & skf18("5","3","5","6","4","1","1") = "5"
    & skf18("5","3","5","6","4","2","1") = "5"
    & skf18("5","3","5","6","4","3","1") = "5"
    & skf18("5","3","5","6","4","4","1") = "5"
    & skf18("5","3","5","6","4","5","1") = "5"
    & skf18("5","3","5","6","4","6","1") = "5"
    & skf18("5","3","5","6","4","7","1") = "6"
    & skf18("5","3","5","6","4","8","1") = "7"
    & skf18("5","3","5","6","4","9","1") = "8"
    & skf18("5","3","5","6","4","10","1") = "9"
    & skf18("5","3","5","6","5","1","1") = "5"
    & skf18("5","3","5","6","5","2","1") = "5"
    & skf18("5","3","5","6","5","3","1") = "5"
    & skf18("5","3","5","6","5","4","1") = "5"
    & skf18("5","3","5","6","5","5","1") = "5"
    & skf18("5","3","5","6","5","6","1") = "5"
    & skf18("5","3","5","6","5","7","1") = "6"
    & skf18("5","3","5","6","5","8","1") = "7"
    & skf18("5","3","5","6","5","9","1") = "8"
    & skf18("5","3","5","6","5","10","1") = "9"
    & skf18("5","3","5","6","6","1","1") = "5"
    & skf18("5","3","5","6","6","2","1") = "5"
    & skf18("5","3","5","6","6","3","1") = "5"
    & skf18("5","3","5","6","6","4","1") = "5"
    & skf18("5","3","5","6","6","5","1") = "5"
    & skf18("5","3","5","6","6","6","1") = "5"
    & skf18("5","3","5","6","6","7","1") = "6"
    & skf18("5","3","5","6","6","8","1") = "7"
    & skf18("5","3","5","6","6","9","1") = "8"
    & skf18("5","3","5","6","6","10","1") = "9"
    & skf18("5","3","5","6","7","1","1") = "6"
    & skf18("5","3","5","6","7","2","1") = "6"
    & skf18("5","3","5","6","7","3","1") = "6"
    & skf18("5","3","5","6","7","4","1") = "6"
    & skf18("5","3","5","6","7","5","1") = "6"
    & skf18("5","3","5","6","7","6","1") = "6"
    & skf18("5","3","5","6","7","7","1") = "6"
    & skf18("5","3","5","6","7","8","1") = "7"
    & skf18("5","3","5","6","7","9","1") = "8"
    & skf18("5","3","5","6","7","10","1") = "9"
    & skf18("5","3","5","6","8","1","1") = "7"
    & skf18("5","3","5","6","8","2","1") = "7"
    & skf18("5","3","5","6","8","3","1") = "7"
    & skf18("5","3","5","6","8","4","1") = "7"
    & skf18("5","3","5","6","8","5","1") = "7"
    & skf18("5","3","5","6","8","6","1") = "7"
    & skf18("5","3","5","6","8","7","1") = "7"
    & skf18("5","3","5","6","8","8","1") = "7"
    & skf18("5","3","5","6","8","9","1") = "8"
    & skf18("5","3","5","6","8","10","1") = "9"
    & skf18("5","3","5","6","9","1","1") = "8"
    & skf18("5","3","5","6","9","2","1") = "8"
    & skf18("5","3","5","6","9","3","1") = "8"
    & skf18("5","3","5","6","9","4","1") = "8"
    & skf18("5","3","5","6","9","5","1") = "8"
    & skf18("5","3","5","6","9","6","1") = "8"
    & skf18("5","3","5","6","9","7","1") = "8"
    & skf18("5","3","5","6","9","8","1") = "8"
    & skf18("5","3","5","6","9","9","1") = "8"
    & skf18("5","3","5","6","9","10","1") = "9"
    & skf18("5","3","5","6","10","1","1") = "9"
    & skf18("5","3","5","6","10","2","1") = "9"
    & skf18("5","3","5","6","10","3","1") = "9"
    & skf18("5","3","5","6","10","4","1") = "9"
    & skf18("5","3","5","6","10","5","1") = "9"
    & skf18("5","3","5","6","10","6","1") = "9"
    & skf18("5","3","5","6","10","7","1") = "9"
    & skf18("5","3","5","6","10","8","1") = "9"
    & skf18("5","3","5","6","10","9","1") = "9"
    & skf18("5","3","5","6","10","10","1") = "9"
    & skf18("5","3","5","7","1","1","1") = "6"
    & skf18("5","3","5","7","1","2","1") = "6"
    & skf18("5","3","5","7","1","3","1") = "6"
    & skf18("5","3","5","7","1","4","1") = "6"
    & skf18("5","3","5","7","1","5","1") = "6"
    & skf18("5","3","5","7","1","6","1") = "6"
    & skf18("5","3","5","7","1","7","1") = "6"
    & skf18("5","3","5","7","1","8","1") = "7"
    & skf18("5","3","5","7","1","9","1") = "8"
    & skf18("5","3","5","7","1","10","1") = "9"
    & skf18("5","3","5","7","2","1","1") = "6"
    & skf18("5","3","5","7","2","2","1") = "6"
    & skf18("5","3","5","7","2","3","1") = "6"
    & skf18("5","3","5","7","2","4","1") = "6"
    & skf18("5","3","5","7","2","5","1") = "6"
    & skf18("5","3","5","7","2","6","1") = "6"
    & skf18("5","3","5","7","2","7","1") = "6"
    & skf18("5","3","5","7","2","8","1") = "7"
    & skf18("5","3","5","7","2","9","1") = "8"
    & skf18("5","3","5","7","2","10","1") = "9"
    & skf18("5","3","5","7","3","1","1") = "6"
    & skf18("5","3","5","7","3","2","1") = "6"
    & skf18("5","3","5","7","3","3","1") = "6"
    & skf18("5","3","5","7","3","4","1") = "6"
    & skf18("5","3","5","7","3","5","1") = "6"
    & skf18("5","3","5","7","3","6","1") = "6"
    & skf18("5","3","5","7","3","7","1") = "6"
    & skf18("5","3","5","7","3","8","1") = "7"
    & skf18("5","3","5","7","3","9","1") = "8"
    & skf18("5","3","5","7","3","10","1") = "9"
    & skf18("5","3","5","7","4","1","1") = "6"
    & skf18("5","3","5","7","4","2","1") = "6"
    & skf18("5","3","5","7","4","3","1") = "6"
    & skf18("5","3","5","7","4","4","1") = "6"
    & skf18("5","3","5","7","4","5","1") = "6"
    & skf18("5","3","5","7","4","6","1") = "6"
    & skf18("5","3","5","7","4","7","1") = "6"
    & skf18("5","3","5","7","4","8","1") = "7"
    & skf18("5","3","5","7","4","9","1") = "8"
    & skf18("5","3","5","7","4","10","1") = "9"
    & skf18("5","3","5","7","5","1","1") = "6"
    & skf18("5","3","5","7","5","2","1") = "6"
    & skf18("5","3","5","7","5","3","1") = "6"
    & skf18("5","3","5","7","5","4","1") = "6"
    & skf18("5","3","5","7","5","5","1") = "6"
    & skf18("5","3","5","7","5","6","1") = "6"
    & skf18("5","3","5","7","5","7","1") = "6"
    & skf18("5","3","5","7","5","8","1") = "7"
    & skf18("5","3","5","7","5","9","1") = "8"
    & skf18("5","3","5","7","5","10","1") = "9"
    & skf18("5","3","5","7","6","1","1") = "6"
    & skf18("5","3","5","7","6","2","1") = "6"
    & skf18("5","3","5","7","6","3","1") = "6"
    & skf18("5","3","5","7","6","4","1") = "6"
    & skf18("5","3","5","7","6","5","1") = "6"
    & skf18("5","3","5","7","6","6","1") = "6"
    & skf18("5","3","5","7","6","7","1") = "6"
    & skf18("5","3","5","7","6","8","1") = "7"
    & skf18("5","3","5","7","6","9","1") = "8"
    & skf18("5","3","5","7","6","10","1") = "9"
    & skf18("5","3","5","7","7","1","1") = "6"
    & skf18("5","3","5","7","7","2","1") = "6"
    & skf18("5","3","5","7","7","3","1") = "6"
    & skf18("5","3","5","7","7","4","1") = "6"
    & skf18("5","3","5","7","7","5","1") = "6"
    & skf18("5","3","5","7","7","6","1") = "6"
    & skf18("5","3","5","7","7","7","1") = "6"
    & skf18("5","3","5","7","7","8","1") = "7"
    & skf18("5","3","5","7","7","9","1") = "8"
    & skf18("5","3","5","7","7","10","1") = "9"
    & skf18("5","3","5","7","8","1","1") = "7"
    & skf18("5","3","5","7","8","2","1") = "7"
    & skf18("5","3","5","7","8","3","1") = "7"
    & skf18("5","3","5","7","8","4","1") = "7"
    & skf18("5","3","5","7","8","5","1") = "7"
    & skf18("5","3","5","7","8","6","1") = "7"
    & skf18("5","3","5","7","8","7","1") = "7"
    & skf18("5","3","5","7","8","8","1") = "7"
    & skf18("5","3","5","7","8","9","1") = "8"
    & skf18("5","3","5","7","8","10","1") = "9"
    & skf18("5","3","5","7","9","1","1") = "8"
    & skf18("5","3","5","7","9","2","1") = "8"
    & skf18("5","3","5","7","9","3","1") = "8"
    & skf18("5","3","5","7","9","4","1") = "8"
    & skf18("5","3","5","7","9","5","1") = "8"
    & skf18("5","3","5","7","9","6","1") = "8"
    & skf18("5","3","5","7","9","7","1") = "8"
    & skf18("5","3","5","7","9","8","1") = "8"
    & skf18("5","3","5","7","9","9","1") = "8"
    & skf18("5","3","5","7","9","10","1") = "9"
    & skf18("5","3","5","7","10","1","1") = "9"
    & skf18("5","3","5","7","10","2","1") = "9"
    & skf18("5","3","5","7","10","3","1") = "9"
    & skf18("5","3","5","7","10","4","1") = "9"
    & skf18("5","3","5","7","10","5","1") = "9"
    & skf18("5","3","5","7","10","6","1") = "9"
    & skf18("5","3","5","7","10","7","1") = "9"
    & skf18("5","3","5","7","10","8","1") = "9"
    & skf18("5","3","5","7","10","9","1") = "9"
    & skf18("5","3","5","7","10","10","1") = "9"
    & skf18("5","3","5","8","1","1","1") = "7"
    & skf18("5","3","5","8","1","2","1") = "7"
    & skf18("5","3","5","8","1","3","1") = "7"
    & skf18("5","3","5","8","1","4","1") = "7"
    & skf18("5","3","5","8","1","5","1") = "7"
    & skf18("5","3","5","8","1","6","1") = "7"
    & skf18("5","3","5","8","1","7","1") = "7"
    & skf18("5","3","5","8","1","8","1") = "7"
    & skf18("5","3","5","8","1","9","1") = "8"
    & skf18("5","3","5","8","1","10","1") = "9"
    & skf18("5","3","5","8","2","1","1") = "7"
    & skf18("5","3","5","8","2","2","1") = "7"
    & skf18("5","3","5","8","2","3","1") = "7"
    & skf18("5","3","5","8","2","4","1") = "7"
    & skf18("5","3","5","8","2","5","1") = "7"
    & skf18("5","3","5","8","2","6","1") = "7"
    & skf18("5","3","5","8","2","7","1") = "7"
    & skf18("5","3","5","8","2","8","1") = "7"
    & skf18("5","3","5","8","2","9","1") = "8"
    & skf18("5","3","5","8","2","10","1") = "9"
    & skf18("5","3","5","8","3","1","1") = "7"
    & skf18("5","3","5","8","3","2","1") = "7"
    & skf18("5","3","5","8","3","3","1") = "7"
    & skf18("5","3","5","8","3","4","1") = "7"
    & skf18("5","3","5","8","3","5","1") = "7"
    & skf18("5","3","5","8","3","6","1") = "7"
    & skf18("5","3","5","8","3","7","1") = "7"
    & skf18("5","3","5","8","3","8","1") = "7"
    & skf18("5","3","5","8","3","9","1") = "8"
    & skf18("5","3","5","8","3","10","1") = "9"
    & skf18("5","3","5","8","4","1","1") = "7"
    & skf18("5","3","5","8","4","2","1") = "7"
    & skf18("5","3","5","8","4","3","1") = "7"
    & skf18("5","3","5","8","4","4","1") = "7"
    & skf18("5","3","5","8","4","5","1") = "7"
    & skf18("5","3","5","8","4","6","1") = "7"
    & skf18("5","3","5","8","4","7","1") = "7"
    & skf18("5","3","5","8","4","8","1") = "7"
    & skf18("5","3","5","8","4","9","1") = "8"
    & skf18("5","3","5","8","4","10","1") = "9"
    & skf18("5","3","5","8","5","1","1") = "7"
    & skf18("5","3","5","8","5","2","1") = "7"
    & skf18("5","3","5","8","5","3","1") = "7"
    & skf18("5","3","5","8","5","4","1") = "7"
    & skf18("5","3","5","8","5","5","1") = "7"
    & skf18("5","3","5","8","5","6","1") = "7"
    & skf18("5","3","5","8","5","7","1") = "7"
    & skf18("5","3","5","8","5","8","1") = "7"
    & skf18("5","3","5","8","5","9","1") = "8"
    & skf18("5","3","5","8","5","10","1") = "9"
    & skf18("5","3","5","8","6","1","1") = "7"
    & skf18("5","3","5","8","6","2","1") = "7"
    & skf18("5","3","5","8","6","3","1") = "7"
    & skf18("5","3","5","8","6","4","1") = "7"
    & skf18("5","3","5","8","6","5","1") = "7"
    & skf18("5","3","5","8","6","6","1") = "7"
    & skf18("5","3","5","8","6","7","1") = "7"
    & skf18("5","3","5","8","6","8","1") = "7"
    & skf18("5","3","5","8","6","9","1") = "8"
    & skf18("5","3","5","8","6","10","1") = "9"
    & skf18("5","3","5","8","7","1","1") = "7"
    & skf18("5","3","5","8","7","2","1") = "7"
    & skf18("5","3","5","8","7","3","1") = "7"
    & skf18("5","3","5","8","7","4","1") = "7"
    & skf18("5","3","5","8","7","5","1") = "7"
    & skf18("5","3","5","8","7","6","1") = "7"
    & skf18("5","3","5","8","7","7","1") = "7"
    & skf18("5","3","5","8","7","8","1") = "7"
    & skf18("5","3","5","8","7","9","1") = "8"
    & skf18("5","3","5","8","7","10","1") = "9"
    & skf18("5","3","5","8","8","1","1") = "7"
    & skf18("5","3","5","8","8","2","1") = "7"
    & skf18("5","3","5","8","8","3","1") = "7"
    & skf18("5","3","5","8","8","4","1") = "7"
    & skf18("5","3","5","8","8","5","1") = "7"
    & skf18("5","3","5","8","8","6","1") = "7"
    & skf18("5","3","5","8","8","7","1") = "7"
    & skf18("5","3","5","8","8","8","1") = "7"
    & skf18("5","3","5","8","8","9","1") = "8"
    & skf18("5","3","5","8","8","10","1") = "9"
    & skf18("5","3","5","8","9","1","1") = "8"
    & skf18("5","3","5","8","9","2","1") = "8"
    & skf18("5","3","5","8","9","3","1") = "8"
    & skf18("5","3","5","8","9","4","1") = "8"
    & skf18("5","3","5","8","9","5","1") = "8"
    & skf18("5","3","5","8","9","6","1") = "8"
    & skf18("5","3","5","8","9","7","1") = "8"
    & skf18("5","3","5","8","9","8","1") = "8"
    & skf18("5","3","5","8","9","9","1") = "8"
    & skf18("5","3","5","8","9","10","1") = "9"
    & skf18("5","3","5","8","10","1","1") = "9"
    & skf18("5","3","5","8","10","2","1") = "9"
    & skf18("5","3","5","8","10","3","1") = "9"
    & skf18("5","3","5","8","10","4","1") = "9"
    & skf18("5","3","5","8","10","5","1") = "9"
    & skf18("5","3","5","8","10","6","1") = "9"
    & skf18("5","3","5","8","10","7","1") = "9"
    & skf18("5","3","5","8","10","8","1") = "9"
    & skf18("5","3","5","8","10","9","1") = "9"
    & skf18("5","3","5","8","10","10","1") = "9"
    & skf18("5","3","5","9","1","1","1") = "8"
    & skf18("5","3","5","9","1","2","1") = "8"
    & skf18("5","3","5","9","1","3","1") = "8"
    & skf18("5","3","5","9","1","4","1") = "8"
    & skf18("5","3","5","9","1","5","1") = "8"
    & skf18("5","3","5","9","1","6","1") = "8"
    & skf18("5","3","5","9","1","7","1") = "8"
    & skf18("5","3","5","9","1","8","1") = "8"
    & skf18("5","3","5","9","1","9","1") = "8"
    & skf18("5","3","5","9","1","10","1") = "9"
    & skf18("5","3","5","9","2","1","1") = "8"
    & skf18("5","3","5","9","2","2","1") = "8"
    & skf18("5","3","5","9","2","3","1") = "8"
    & skf18("5","3","5","9","2","4","1") = "8"
    & skf18("5","3","5","9","2","5","1") = "8"
    & skf18("5","3","5","9","2","6","1") = "8"
    & skf18("5","3","5","9","2","7","1") = "8"
    & skf18("5","3","5","9","2","8","1") = "8"
    & skf18("5","3","5","9","2","9","1") = "8"
    & skf18("5","3","5","9","2","10","1") = "9"
    & skf18("5","3","5","9","3","1","1") = "8"
    & skf18("5","3","5","9","3","2","1") = "8"
    & skf18("5","3","5","9","3","3","1") = "8"
    & skf18("5","3","5","9","3","4","1") = "8"
    & skf18("5","3","5","9","3","5","1") = "8"
    & skf18("5","3","5","9","3","6","1") = "8"
    & skf18("5","3","5","9","3","7","1") = "8"
    & skf18("5","3","5","9","3","8","1") = "8"
    & skf18("5","3","5","9","3","9","1") = "8"
    & skf18("5","3","5","9","3","10","1") = "9"
    & skf18("5","3","5","9","4","1","1") = "8"
    & skf18("5","3","5","9","4","2","1") = "8"
    & skf18("5","3","5","9","4","3","1") = "8"
    & skf18("5","3","5","9","4","4","1") = "8"
    & skf18("5","3","5","9","4","5","1") = "8"
    & skf18("5","3","5","9","4","6","1") = "8"
    & skf18("5","3","5","9","4","7","1") = "8"
    & skf18("5","3","5","9","4","8","1") = "8"
    & skf18("5","3","5","9","4","9","1") = "8"
    & skf18("5","3","5","9","4","10","1") = "9"
    & skf18("5","3","5","9","5","1","1") = "8"
    & skf18("5","3","5","9","5","2","1") = "8"
    & skf18("5","3","5","9","5","3","1") = "8"
    & skf18("5","3","5","9","5","4","1") = "8"
    & skf18("5","3","5","9","5","5","1") = "8"
    & skf18("5","3","5","9","5","6","1") = "8"
    & skf18("5","3","5","9","5","7","1") = "8"
    & skf18("5","3","5","9","5","8","1") = "8"
    & skf18("5","3","5","9","5","9","1") = "8"
    & skf18("5","3","5","9","5","10","1") = "9"
    & skf18("5","3","5","9","6","1","1") = "8"
    & skf18("5","3","5","9","6","2","1") = "8"
    & skf18("5","3","5","9","6","3","1") = "8"
    & skf18("5","3","5","9","6","4","1") = "8"
    & skf18("5","3","5","9","6","5","1") = "8"
    & skf18("5","3","5","9","6","6","1") = "8"
    & skf18("5","3","5","9","6","7","1") = "8"
    & skf18("5","3","5","9","6","8","1") = "8"
    & skf18("5","3","5","9","6","9","1") = "8"
    & skf18("5","3","5","9","6","10","1") = "9"
    & skf18("5","3","5","9","7","1","1") = "8"
    & skf18("5","3","5","9","7","2","1") = "8"
    & skf18("5","3","5","9","7","3","1") = "8"
    & skf18("5","3","5","9","7","4","1") = "8"
    & skf18("5","3","5","9","7","5","1") = "8"
    & skf18("5","3","5","9","7","6","1") = "8"
    & skf18("5","3","5","9","7","7","1") = "8"
    & skf18("5","3","5","9","7","8","1") = "8"
    & skf18("5","3","5","9","7","9","1") = "8"
    & skf18("5","3","5","9","7","10","1") = "9"
    & skf18("5","3","5","9","8","1","1") = "8"
    & skf18("5","3","5","9","8","2","1") = "8"
    & skf18("5","3","5","9","8","3","1") = "8"
    & skf18("5","3","5","9","8","4","1") = "8"
    & skf18("5","3","5","9","8","5","1") = "8"
    & skf18("5","3","5","9","8","6","1") = "8"
    & skf18("5","3","5","9","8","7","1") = "8"
    & skf18("5","3","5","9","8","8","1") = "8"
    & skf18("5","3","5","9","8","9","1") = "8"
    & skf18("5","3","5","9","8","10","1") = "9"
    & skf18("5","3","5","9","9","1","1") = "8"
    & skf18("5","3","5","9","9","2","1") = "8"
    & skf18("5","3","5","9","9","3","1") = "8"
    & skf18("5","3","5","9","9","4","1") = "8"
    & skf18("5","3","5","9","9","5","1") = "8"
    & skf18("5","3","5","9","9","6","1") = "8"
    & skf18("5","3","5","9","9","7","1") = "8"
    & skf18("5","3","5","9","9","8","1") = "8"
    & skf18("5","3","5","9","9","9","1") = "8"
    & skf18("5","3","5","9","9","10","1") = "9"
    & skf18("5","3","5","9","10","1","1") = "9"
    & skf18("5","3","5","9","10","2","1") = "9"
    & skf18("5","3","5","9","10","3","1") = "9"
    & skf18("5","3","5","9","10","4","1") = "9"
    & skf18("5","3","5","9","10","5","1") = "9"
    & skf18("5","3","5","9","10","6","1") = "9"
    & skf18("5","3","5","9","10","7","1") = "9"
    & skf18("5","3","5","9","10","8","1") = "9"
    & skf18("5","3","5","9","10","9","1") = "9"
    & skf18("5","3","5","9","10","10","1") = "9"
    & skf18("5","3","5","10","1","1","1") = "9"
    & skf18("5","3","5","10","1","2","1") = "9"
    & skf18("5","3","5","10","1","3","1") = "9"
    & skf18("5","3","5","10","1","4","1") = "9"
    & skf18("5","3","5","10","1","5","1") = "9"
    & skf18("5","3","5","10","1","6","1") = "9"
    & skf18("5","3","5","10","1","7","1") = "9"
    & skf18("5","3","5","10","1","8","1") = "9"
    & skf18("5","3","5","10","1","9","1") = "9"
    & skf18("5","3","5","10","1","10","1") = "9"
    & skf18("5","3","5","10","2","1","1") = "9"
    & skf18("5","3","5","10","2","2","1") = "9"
    & skf18("5","3","5","10","2","3","1") = "9"
    & skf18("5","3","5","10","2","4","1") = "9"
    & skf18("5","3","5","10","2","5","1") = "9"
    & skf18("5","3","5","10","2","6","1") = "9"
    & skf18("5","3","5","10","2","7","1") = "9"
    & skf18("5","3","5","10","2","8","1") = "9"
    & skf18("5","3","5","10","2","9","1") = "9"
    & skf18("5","3","5","10","2","10","1") = "9"
    & skf18("5","3","5","10","3","1","1") = "9"
    & skf18("5","3","5","10","3","2","1") = "9"
    & skf18("5","3","5","10","3","3","1") = "9"
    & skf18("5","3","5","10","3","4","1") = "9"
    & skf18("5","3","5","10","3","5","1") = "9"
    & skf18("5","3","5","10","3","6","1") = "9"
    & skf18("5","3","5","10","3","7","1") = "9"
    & skf18("5","3","5","10","3","8","1") = "9"
    & skf18("5","3","5","10","3","9","1") = "9"
    & skf18("5","3","5","10","3","10","1") = "9"
    & skf18("5","3","5","10","4","1","1") = "9"
    & skf18("5","3","5","10","4","2","1") = "9"
    & skf18("5","3","5","10","4","3","1") = "9"
    & skf18("5","3","5","10","4","4","1") = "9"
    & skf18("5","3","5","10","4","5","1") = "9"
    & skf18("5","3","5","10","4","6","1") = "9"
    & skf18("5","3","5","10","4","7","1") = "9"
    & skf18("5","3","5","10","4","8","1") = "9"
    & skf18("5","3","5","10","4","9","1") = "9"
    & skf18("5","3","5","10","4","10","1") = "9"
    & skf18("5","3","5","10","5","1","1") = "9"
    & skf18("5","3","5","10","5","2","1") = "9"
    & skf18("5","3","5","10","5","3","1") = "9"
    & skf18("5","3","5","10","5","4","1") = "9"
    & skf18("5","3","5","10","5","5","1") = "9"
    & skf18("5","3","5","10","5","6","1") = "9"
    & skf18("5","3","5","10","5","7","1") = "9"
    & skf18("5","3","5","10","5","8","1") = "9"
    & skf18("5","3","5","10","5","9","1") = "9"
    & skf18("5","3","5","10","5","10","1") = "9"
    & skf18("5","3","5","10","6","1","1") = "9"
    & skf18("5","3","5","10","6","2","1") = "9"
    & skf18("5","3","5","10","6","3","1") = "9"
    & skf18("5","3","5","10","6","4","1") = "9"
    & skf18("5","3","5","10","6","5","1") = "9"
    & skf18("5","3","5","10","6","6","1") = "9"
    & skf18("5","3","5","10","6","7","1") = "9"
    & skf18("5","3","5","10","6","8","1") = "9"
    & skf18("5","3","5","10","6","9","1") = "9"
    & skf18("5","3","5","10","6","10","1") = "9"
    & skf18("5","3","5","10","7","1","1") = "9"
    & skf18("5","3","5","10","7","2","1") = "9"
    & skf18("5","3","5","10","7","3","1") = "9"
    & skf18("5","3","5","10","7","4","1") = "9"
    & skf18("5","3","5","10","7","5","1") = "9"
    & skf18("5","3","5","10","7","6","1") = "9"
    & skf18("5","3","5","10","7","7","1") = "9"
    & skf18("5","3","5","10","7","8","1") = "9"
    & skf18("5","3","5","10","7","9","1") = "9"
    & skf18("5","3","5","10","7","10","1") = "9"
    & skf18("5","3","5","10","8","1","1") = "9"
    & skf18("5","3","5","10","8","2","1") = "9"
    & skf18("5","3","5","10","8","3","1") = "9"
    & skf18("5","3","5","10","8","4","1") = "9"
    & skf18("5","3","5","10","8","5","1") = "9"
    & skf18("5","3","5","10","8","6","1") = "9"
    & skf18("5","3","5","10","8","7","1") = "9"
    & skf18("5","3","5","10","8","8","1") = "9"
    & skf18("5","3","5","10","8","9","1") = "9"
    & skf18("5","3","5","10","8","10","1") = "9"
    & skf18("5","3","5","10","9","1","1") = "9"
    & skf18("5","3","5","10","9","2","1") = "9"
    & skf18("5","3","5","10","9","3","1") = "9"
    & skf18("5","3","5","10","9","4","1") = "9"
    & skf18("5","3","5","10","9","5","1") = "9"
    & skf18("5","3","5","10","9","6","1") = "9"
    & skf18("5","3","5","10","9","7","1") = "9"
    & skf18("5","3","5","10","9","8","1") = "9"
    & skf18("5","3","5","10","9","9","1") = "9"
    & skf18("5","3","5","10","9","10","1") = "9"
    & skf18("5","3","5","10","10","1","1") = "9"
    & skf18("5","3","5","10","10","2","1") = "9"
    & skf18("5","3","5","10","10","3","1") = "9"
    & skf18("5","3","5","10","10","4","1") = "9"
    & skf18("5","3","5","10","10","5","1") = "9"
    & skf18("5","3","5","10","10","6","1") = "9"
    & skf18("5","3","5","10","10","7","1") = "9"
    & skf18("5","3","5","10","10","8","1") = "9"
    & skf18("5","3","5","10","10","9","1") = "9"
    & skf18("5","3","5","10","10","10","1") = "9"
    & skf18("5","3","6","1","1","1","1") = "5"
    & skf18("5","3","6","1","1","2","1") = "5"
    & skf18("5","3","6","1","1","3","1") = "5"
    & skf18("5","3","6","1","1","4","1") = "5"
    & skf18("5","3","6","1","1","5","1") = "5"
    & skf18("5","3","6","1","1","6","1") = "5"
    & skf18("5","3","6","1","1","7","1") = "6"
    & skf18("5","3","6","1","1","8","1") = "7"
    & skf18("5","3","6","1","1","9","1") = "8"
    & skf18("5","3","6","1","1","10","1") = "9"
    & skf18("5","3","6","1","2","1","1") = "5"
    & skf18("5","3","6","1","2","2","1") = "5"
    & skf18("5","3","6","1","2","3","1") = "5"
    & skf18("5","3","6","1","2","4","1") = "5"
    & skf18("5","3","6","1","2","5","1") = "5"
    & skf18("5","3","6","1","2","6","1") = "5"
    & skf18("5","3","6","1","2","7","1") = "6"
    & skf18("5","3","6","1","2","8","1") = "7"
    & skf18("5","3","6","1","2","9","1") = "8"
    & skf18("5","3","6","1","2","10","1") = "9"
    & skf18("5","3","6","1","3","1","1") = "5"
    & skf18("5","3","6","1","3","2","1") = "5"
    & skf18("5","3","6","1","3","3","1") = "5"
    & skf18("5","3","6","1","3","4","1") = "5"
    & skf18("5","3","6","1","3","5","1") = "5"
    & skf18("5","3","6","1","3","6","1") = "5"
    & skf18("5","3","6","1","3","7","1") = "6"
    & skf18("5","3","6","1","3","8","1") = "7"
    & skf18("5","3","6","1","3","9","1") = "8"
    & skf18("5","3","6","1","3","10","1") = "9"
    & skf18("5","3","6","1","4","1","1") = "5"
    & skf18("5","3","6","1","4","2","1") = "5"
    & skf18("5","3","6","1","4","3","1") = "5"
    & skf18("5","3","6","1","4","4","1") = "5"
    & skf18("5","3","6","1","4","5","1") = "5"
    & skf18("5","3","6","1","4","6","1") = "5"
    & skf18("5","3","6","1","4","7","1") = "6"
    & skf18("5","3","6","1","4","8","1") = "7"
    & skf18("5","3","6","1","4","9","1") = "8"
    & skf18("5","3","6","1","4","10","1") = "9"
    & skf18("5","3","6","1","5","1","1") = "5"
    & skf18("5","3","6","1","5","2","1") = "5"
    & skf18("5","3","6","1","5","3","1") = "5"
    & skf18("5","3","6","1","5","4","1") = "5"
    & skf18("5","3","6","1","5","5","1") = "5"
    & skf18("5","3","6","1","5","6","1") = "5"
    & skf18("5","3","6","1","5","7","1") = "6"
    & skf18("5","3","6","1","5","8","1") = "7"
    & skf18("5","3","6","1","5","9","1") = "8"
    & skf18("5","3","6","1","5","10","1") = "9"
    & skf18("5","3","6","1","6","1","1") = "5"
    & skf18("5","3","6","1","6","2","1") = "5"
    & skf18("5","3","6","1","6","3","1") = "5"
    & skf18("5","3","6","1","6","4","1") = "5"
    & skf18("5","3","6","1","6","5","1") = "5"
    & skf18("5","3","6","1","6","6","1") = "5"
    & skf18("5","3","6","1","6","7","1") = "6"
    & skf18("5","3","6","1","6","8","1") = "7"
    & skf18("5","3","6","1","6","9","1") = "8"
    & skf18("5","3","6","1","6","10","1") = "9"
    & skf18("5","3","6","1","7","1","1") = "6"
    & skf18("5","3","6","1","7","2","1") = "6"
    & skf18("5","3","6","1","7","3","1") = "6"
    & skf18("5","3","6","1","7","4","1") = "6"
    & skf18("5","3","6","1","7","5","1") = "6"
    & skf18("5","3","6","1","7","6","1") = "6"
    & skf18("5","3","6","1","7","7","1") = "6"
    & skf18("5","3","6","1","7","8","1") = "7"
    & skf18("5","3","6","1","7","9","1") = "8"
    & skf18("5","3","6","1","7","10","1") = "9"
    & skf18("5","3","6","1","8","1","1") = "7"
    & skf18("5","3","6","1","8","2","1") = "7"
    & skf18("5","3","6","1","8","3","1") = "7"
    & skf18("5","3","6","1","8","4","1") = "7"
    & skf18("5","3","6","1","8","5","1") = "7"
    & skf18("5","3","6","1","8","6","1") = "7"
    & skf18("5","3","6","1","8","7","1") = "7"
    & skf18("5","3","6","1","8","8","1") = "7"
    & skf18("5","3","6","1","8","9","1") = "8"
    & skf18("5","3","6","1","8","10","1") = "9"
    & skf18("5","3","6","1","9","1","1") = "8"
    & skf18("5","3","6","1","9","2","1") = "8"
    & skf18("5","3","6","1","9","3","1") = "8"
    & skf18("5","3","6","1","9","4","1") = "8"
    & skf18("5","3","6","1","9","5","1") = "8"
    & skf18("5","3","6","1","9","6","1") = "8"
    & skf18("5","3","6","1","9","7","1") = "8"
    & skf18("5","3","6","1","9","8","1") = "8"
    & skf18("5","3","6","1","9","9","1") = "8"
    & skf18("5","3","6","1","9","10","1") = "9"
    & skf18("5","3","6","1","10","1","1") = "9"
    & skf18("5","3","6","1","10","2","1") = "9"
    & skf18("5","3","6","1","10","3","1") = "9"
    & skf18("5","3","6","1","10","4","1") = "9"
    & skf18("5","3","6","1","10","5","1") = "9"
    & skf18("5","3","6","1","10","6","1") = "9"
    & skf18("5","3","6","1","10","7","1") = "9"
    & skf18("5","3","6","1","10","8","1") = "9"
    & skf18("5","3","6","1","10","9","1") = "9"
    & skf18("5","3","6","1","10","10","1") = "9"
    & skf18("5","3","6","2","1","1","1") = "5"
    & skf18("5","3","6","2","1","2","1") = "5"
    & skf18("5","3","6","2","1","3","1") = "5"
    & skf18("5","3","6","2","1","4","1") = "5"
    & skf18("5","3","6","2","1","5","1") = "5"
    & skf18("5","3","6","2","1","6","1") = "5"
    & skf18("5","3","6","2","1","7","1") = "6"
    & skf18("5","3","6","2","1","8","1") = "7"
    & skf18("5","3","6","2","1","9","1") = "8"
    & skf18("5","3","6","2","1","10","1") = "9"
    & skf18("5","3","6","2","2","1","1") = "5"
    & skf18("5","3","6","2","2","2","1") = "5"
    & skf18("5","3","6","2","2","3","1") = "5"
    & skf18("5","3","6","2","2","4","1") = "5"
    & skf18("5","3","6","2","2","5","1") = "5"
    & skf18("5","3","6","2","2","6","1") = "5"
    & skf18("5","3","6","2","2","7","1") = "6"
    & skf18("5","3","6","2","2","8","1") = "7"
    & skf18("5","3","6","2","2","9","1") = "8"
    & skf18("5","3","6","2","2","10","1") = "9"
    & skf18("5","3","6","2","3","1","1") = "5"
    & skf18("5","3","6","2","3","2","1") = "5"
    & skf18("5","3","6","2","3","3","1") = "5"
    & skf18("5","3","6","2","3","4","1") = "5"
    & skf18("5","3","6","2","3","5","1") = "5"
    & skf18("5","3","6","2","3","6","1") = "5"
    & skf18("5","3","6","2","3","7","1") = "6"
    & skf18("5","3","6","2","3","8","1") = "7"
    & skf18("5","3","6","2","3","9","1") = "8"
    & skf18("5","3","6","2","3","10","1") = "9"
    & skf18("5","3","6","2","4","1","1") = "5"
    & skf18("5","3","6","2","4","2","1") = "5"
    & skf18("5","3","6","2","4","3","1") = "5"
    & skf18("5","3","6","2","4","4","1") = "5"
    & skf18("5","3","6","2","4","5","1") = "5"
    & skf18("5","3","6","2","4","6","1") = "5"
    & skf18("5","3","6","2","4","7","1") = "6"
    & skf18("5","3","6","2","4","8","1") = "7"
    & skf18("5","3","6","2","4","9","1") = "8"
    & skf18("5","3","6","2","4","10","1") = "9"
    & skf18("5","3","6","2","5","1","1") = "5"
    & skf18("5","3","6","2","5","2","1") = "5"
    & skf18("5","3","6","2","5","3","1") = "5"
    & skf18("5","3","6","2","5","4","1") = "5"
    & skf18("5","3","6","2","5","5","1") = "5"
    & skf18("5","3","6","2","5","6","1") = "5"
    & skf18("5","3","6","2","5","7","1") = "6"
    & skf18("5","3","6","2","5","8","1") = "7"
    & skf18("5","3","6","2","5","9","1") = "8"
    & skf18("5","3","6","2","5","10","1") = "9"
    & skf18("5","3","6","2","6","1","1") = "5"
    & skf18("5","3","6","2","6","2","1") = "5"
    & skf18("5","3","6","2","6","3","1") = "5"
    & skf18("5","3","6","2","6","4","1") = "5"
    & skf18("5","3","6","2","6","5","1") = "5"
    & skf18("5","3","6","2","6","6","1") = "5"
    & skf18("5","3","6","2","6","7","1") = "6"
    & skf18("5","3","6","2","6","8","1") = "7"
    & skf18("5","3","6","2","6","9","1") = "8"
    & skf18("5","3","6","2","6","10","1") = "9"
    & skf18("5","3","6","2","7","1","1") = "6"
    & skf18("5","3","6","2","7","2","1") = "6"
    & skf18("5","3","6","2","7","3","1") = "6"
    & skf18("5","3","6","2","7","4","1") = "6"
    & skf18("5","3","6","2","7","5","1") = "6"
    & skf18("5","3","6","2","7","6","1") = "6"
    & skf18("5","3","6","2","7","7","1") = "6"
    & skf18("5","3","6","2","7","8","1") = "7"
    & skf18("5","3","6","2","7","9","1") = "8"
    & skf18("5","3","6","2","7","10","1") = "9"
    & skf18("5","3","6","2","8","1","1") = "7"
    & skf18("5","3","6","2","8","2","1") = "7"
    & skf18("5","3","6","2","8","3","1") = "7"
    & skf18("5","3","6","2","8","4","1") = "7"
    & skf18("5","3","6","2","8","5","1") = "7"
    & skf18("5","3","6","2","8","6","1") = "7"
    & skf18("5","3","6","2","8","7","1") = "7"
    & skf18("5","3","6","2","8","8","1") = "7"
    & skf18("5","3","6","2","8","9","1") = "8"
    & skf18("5","3","6","2","8","10","1") = "9"
    & skf18("5","3","6","2","9","1","1") = "8"
    & skf18("5","3","6","2","9","2","1") = "8"
    & skf18("5","3","6","2","9","3","1") = "8"
    & skf18("5","3","6","2","9","4","1") = "8"
    & skf18("5","3","6","2","9","5","1") = "8"
    & skf18("5","3","6","2","9","6","1") = "8"
    & skf18("5","3","6","2","9","7","1") = "8"
    & skf18("5","3","6","2","9","8","1") = "8"
    & skf18("5","3","6","2","9","9","1") = "8"
    & skf18("5","3","6","2","9","10","1") = "9"
    & skf18("5","3","6","2","10","1","1") = "9"
    & skf18("5","3","6","2","10","2","1") = "9"
    & skf18("5","3","6","2","10","3","1") = "9"
    & skf18("5","3","6","2","10","4","1") = "9"
    & skf18("5","3","6","2","10","5","1") = "9"
    & skf18("5","3","6","2","10","6","1") = "9"
    & skf18("5","3","6","2","10","7","1") = "9"
    & skf18("5","3","6","2","10","8","1") = "9"
    & skf18("5","3","6","2","10","9","1") = "9"
    & skf18("5","3","6","2","10","10","1") = "9"
    & skf18("5","3","6","3","1","1","1") = "5"
    & skf18("5","3","6","3","1","2","1") = "5"
    & skf18("5","3","6","3","1","3","1") = "5"
    & skf18("5","3","6","3","1","4","1") = "5"
    & skf18("5","3","6","3","1","5","1") = "5"
    & skf18("5","3","6","3","1","6","1") = "5"
    & skf18("5","3","6","3","1","7","1") = "6"
    & skf18("5","3","6","3","1","8","1") = "7"
    & skf18("5","3","6","3","1","9","1") = "8"
    & skf18("5","3","6","3","1","10","1") = "9"
    & skf18("5","3","6","3","2","1","1") = "5"
    & skf18("5","3","6","3","2","2","1") = "5"
    & skf18("5","3","6","3","2","3","1") = "5"
    & skf18("5","3","6","3","2","4","1") = "5"
    & skf18("5","3","6","3","2","5","1") = "5"
    & skf18("5","3","6","3","2","6","1") = "5"
    & skf18("5","3","6","3","2","7","1") = "6"
    & skf18("5","3","6","3","2","8","1") = "7"
    & skf18("5","3","6","3","2","9","1") = "8"
    & skf18("5","3","6","3","2","10","1") = "9"
    & skf18("5","3","6","3","3","1","1") = "5"
    & skf18("5","3","6","3","3","2","1") = "5"
    & skf18("5","3","6","3","3","3","1") = "5"
    & skf18("5","3","6","3","3","4","1") = "5"
    & skf18("5","3","6","3","3","5","1") = "5"
    & skf18("5","3","6","3","3","6","1") = "5"
    & skf18("5","3","6","3","3","7","1") = "6"
    & skf18("5","3","6","3","3","8","1") = "7"
    & skf18("5","3","6","3","3","9","1") = "8"
    & skf18("5","3","6","3","3","10","1") = "9"
    & skf18("5","3","6","3","4","1","1") = "5"
    & skf18("5","3","6","3","4","2","1") = "5"
    & skf18("5","3","6","3","4","3","1") = "5"
    & skf18("5","3","6","3","4","4","1") = "5"
    & skf18("5","3","6","3","4","5","1") = "5"
    & skf18("5","3","6","3","4","6","1") = "5"
    & skf18("5","3","6","3","4","7","1") = "6"
    & skf18("5","3","6","3","4","8","1") = "7"
    & skf18("5","3","6","3","4","9","1") = "8"
    & skf18("5","3","6","3","4","10","1") = "9"
    & skf18("5","3","6","3","5","1","1") = "5"
    & skf18("5","3","6","3","5","2","1") = "5"
    & skf18("5","3","6","3","5","3","1") = "5"
    & skf18("5","3","6","3","5","4","1") = "5"
    & skf18("5","3","6","3","5","5","1") = "5"
    & skf18("5","3","6","3","5","6","1") = "5"
    & skf18("5","3","6","3","5","7","1") = "6"
    & skf18("5","3","6","3","5","8","1") = "7"
    & skf18("5","3","6","3","5","9","1") = "8"
    & skf18("5","3","6","3","5","10","1") = "9"
    & skf18("5","3","6","3","6","1","1") = "5"
    & skf18("5","3","6","3","6","2","1") = "5"
    & skf18("5","3","6","3","6","3","1") = "5"
    & skf18("5","3","6","3","6","4","1") = "5"
    & skf18("5","3","6","3","6","5","1") = "5"
    & skf18("5","3","6","3","6","6","1") = "5"
    & skf18("5","3","6","3","6","7","1") = "6"
    & skf18("5","3","6","3","6","8","1") = "7"
    & skf18("5","3","6","3","6","9","1") = "8"
    & skf18("5","3","6","3","6","10","1") = "9"
    & skf18("5","3","6","3","7","1","1") = "6"
    & skf18("5","3","6","3","7","2","1") = "6"
    & skf18("5","3","6","3","7","3","1") = "6"
    & skf18("5","3","6","3","7","4","1") = "6"
    & skf18("5","3","6","3","7","5","1") = "6"
    & skf18("5","3","6","3","7","6","1") = "6"
    & skf18("5","3","6","3","7","7","1") = "6"
    & skf18("5","3","6","3","7","8","1") = "7"
    & skf18("5","3","6","3","7","9","1") = "8"
    & skf18("5","3","6","3","7","10","1") = "9"
    & skf18("5","3","6","3","8","1","1") = "7"
    & skf18("5","3","6","3","8","2","1") = "7"
    & skf18("5","3","6","3","8","3","1") = "7"
    & skf18("5","3","6","3","8","4","1") = "7"
    & skf18("5","3","6","3","8","5","1") = "7"
    & skf18("5","3","6","3","8","6","1") = "7"
    & skf18("5","3","6","3","8","7","1") = "7"
    & skf18("5","3","6","3","8","8","1") = "7"
    & skf18("5","3","6","3","8","9","1") = "8"
    & skf18("5","3","6","3","8","10","1") = "9"
    & skf18("5","3","6","3","9","1","1") = "8"
    & skf18("5","3","6","3","9","2","1") = "8"
    & skf18("5","3","6","3","9","3","1") = "8"
    & skf18("5","3","6","3","9","4","1") = "8"
    & skf18("5","3","6","3","9","5","1") = "8"
    & skf18("5","3","6","3","9","6","1") = "8"
    & skf18("5","3","6","3","9","7","1") = "8"
    & skf18("5","3","6","3","9","8","1") = "8"
    & skf18("5","3","6","3","9","9","1") = "8"
    & skf18("5","3","6","3","9","10","1") = "9"
    & skf18("5","3","6","3","10","1","1") = "9"
    & skf18("5","3","6","3","10","2","1") = "9"
    & skf18("5","3","6","3","10","3","1") = "9"
    & skf18("5","3","6","3","10","4","1") = "9"
    & skf18("5","3","6","3","10","5","1") = "9"
    & skf18("5","3","6","3","10","6","1") = "9"
    & skf18("5","3","6","3","10","7","1") = "9"
    & skf18("5","3","6","3","10","8","1") = "9"
    & skf18("5","3","6","3","10","9","1") = "9"
    & skf18("5","3","6","3","10","10","1") = "9"
    & skf18("5","3","6","4","1","1","1") = "5"
    & skf18("5","3","6","4","1","2","1") = "5"
    & skf18("5","3","6","4","1","3","1") = "5"
    & skf18("5","3","6","4","1","4","1") = "5"
    & skf18("5","3","6","4","1","5","1") = "5"
    & skf18("5","3","6","4","1","6","1") = "5"
    & skf18("5","3","6","4","1","7","1") = "6"
    & skf18("5","3","6","4","1","8","1") = "7"
    & skf18("5","3","6","4","1","9","1") = "8"
    & skf18("5","3","6","4","1","10","1") = "9"
    & skf18("5","3","6","4","2","1","1") = "5"
    & skf18("5","3","6","4","2","2","1") = "5"
    & skf18("5","3","6","4","2","3","1") = "5"
    & skf18("5","3","6","4","2","4","1") = "5"
    & skf18("5","3","6","4","2","5","1") = "5"
    & skf18("5","3","6","4","2","6","1") = "5"
    & skf18("5","3","6","4","2","7","1") = "6"
    & skf18("5","3","6","4","2","8","1") = "7"
    & skf18("5","3","6","4","2","9","1") = "8"
    & skf18("5","3","6","4","2","10","1") = "9"
    & skf18("5","3","6","4","3","1","1") = "5"
    & skf18("5","3","6","4","3","2","1") = "5"
    & skf18("5","3","6","4","3","3","1") = "5"
    & skf18("5","3","6","4","3","4","1") = "5"
    & skf18("5","3","6","4","3","5","1") = "5"
    & skf18("5","3","6","4","3","6","1") = "5"
    & skf18("5","3","6","4","3","7","1") = "6"
    & skf18("5","3","6","4","3","8","1") = "7"
    & skf18("5","3","6","4","3","9","1") = "8"
    & skf18("5","3","6","4","3","10","1") = "9"
    & skf18("5","3","6","4","4","1","1") = "5"
    & skf18("5","3","6","4","4","2","1") = "5"
    & skf18("5","3","6","4","4","3","1") = "5"
    & skf18("5","3","6","4","4","4","1") = "5"
    & skf18("5","3","6","4","4","5","1") = "5"
    & skf18("5","3","6","4","4","6","1") = "5"
    & skf18("5","3","6","4","4","7","1") = "6"
    & skf18("5","3","6","4","4","8","1") = "7"
    & skf18("5","3","6","4","4","9","1") = "8"
    & skf18("5","3","6","4","4","10","1") = "9"
    & skf18("5","3","6","4","5","1","1") = "5"
    & skf18("5","3","6","4","5","2","1") = "5"
    & skf18("5","3","6","4","5","3","1") = "5"
    & skf18("5","3","6","4","5","4","1") = "5"
    & skf18("5","3","6","4","5","5","1") = "5"
    & skf18("5","3","6","4","5","6","1") = "5"
    & skf18("5","3","6","4","5","7","1") = "6"
    & skf18("5","3","6","4","5","8","1") = "7"
    & skf18("5","3","6","4","5","9","1") = "8"
    & skf18("5","3","6","4","5","10","1") = "9"
    & skf18("5","3","6","4","6","1","1") = "5"
    & skf18("5","3","6","4","6","2","1") = "5"
    & skf18("5","3","6","4","6","3","1") = "5"
    & skf18("5","3","6","4","6","4","1") = "5"
    & skf18("5","3","6","4","6","5","1") = "5"
    & skf18("5","3","6","4","6","6","1") = "5"
    & skf18("5","3","6","4","6","7","1") = "6"
    & skf18("5","3","6","4","6","8","1") = "7"
    & skf18("5","3","6","4","6","9","1") = "8"
    & skf18("5","3","6","4","6","10","1") = "9"
    & skf18("5","3","6","4","7","1","1") = "6"
    & skf18("5","3","6","4","7","2","1") = "6"
    & skf18("5","3","6","4","7","3","1") = "6"
    & skf18("5","3","6","4","7","4","1") = "6"
    & skf18("5","3","6","4","7","5","1") = "6"
    & skf18("5","3","6","4","7","6","1") = "6"
    & skf18("5","3","6","4","7","7","1") = "6"
    & skf18("5","3","6","4","7","8","1") = "7"
    & skf18("5","3","6","4","7","9","1") = "8"
    & skf18("5","3","6","4","7","10","1") = "9"
    & skf18("5","3","6","4","8","1","1") = "7"
    & skf18("5","3","6","4","8","2","1") = "7"
    & skf18("5","3","6","4","8","3","1") = "7"
    & skf18("5","3","6","4","8","4","1") = "7"
    & skf18("5","3","6","4","8","5","1") = "7"
    & skf18("5","3","6","4","8","6","1") = "7"
    & skf18("5","3","6","4","8","7","1") = "7"
    & skf18("5","3","6","4","8","8","1") = "7"
    & skf18("5","3","6","4","8","9","1") = "8"
    & skf18("5","3","6","4","8","10","1") = "9"
    & skf18("5","3","6","4","9","1","1") = "8"
    & skf18("5","3","6","4","9","2","1") = "8"
    & skf18("5","3","6","4","9","3","1") = "8"
    & skf18("5","3","6","4","9","4","1") = "8"
    & skf18("5","3","6","4","9","5","1") = "8"
    & skf18("5","3","6","4","9","6","1") = "8"
    & skf18("5","3","6","4","9","7","1") = "8"
    & skf18("5","3","6","4","9","8","1") = "8"
    & skf18("5","3","6","4","9","9","1") = "8"
    & skf18("5","3","6","4","9","10","1") = "9"
    & skf18("5","3","6","4","10","1","1") = "9"
    & skf18("5","3","6","4","10","2","1") = "9"
    & skf18("5","3","6","4","10","3","1") = "9"
    & skf18("5","3","6","4","10","4","1") = "9"
    & skf18("5","3","6","4","10","5","1") = "9"
    & skf18("5","3","6","4","10","6","1") = "9"
    & skf18("5","3","6","4","10","7","1") = "9"
    & skf18("5","3","6","4","10","8","1") = "9"
    & skf18("5","3","6","4","10","9","1") = "9"
    & skf18("5","3","6","4","10","10","1") = "9"
    & skf18("5","3","6","5","1","1","1") = "5"
    & skf18("5","3","6","5","1","2","1") = "5"
    & skf18("5","3","6","5","1","3","1") = "5"
    & skf18("5","3","6","5","1","4","1") = "5"
    & skf18("5","3","6","5","1","5","1") = "5"
    & skf18("5","3","6","5","1","6","1") = "5"
    & skf18("5","3","6","5","1","7","1") = "6"
    & skf18("5","3","6","5","1","8","1") = "7"
    & skf18("5","3","6","5","1","9","1") = "8"
    & skf18("5","3","6","5","1","10","1") = "9"
    & skf18("5","3","6","5","2","1","1") = "5"
    & skf18("5","3","6","5","2","2","1") = "5"
    & skf18("5","3","6","5","2","3","1") = "5"
    & skf18("5","3","6","5","2","4","1") = "5"
    & skf18("5","3","6","5","2","5","1") = "5"
    & skf18("5","3","6","5","2","6","1") = "5"
    & skf18("5","3","6","5","2","7","1") = "6"
    & skf18("5","3","6","5","2","8","1") = "7"
    & skf18("5","3","6","5","2","9","1") = "8"
    & skf18("5","3","6","5","2","10","1") = "9"
    & skf18("5","3","6","5","3","1","1") = "5"
    & skf18("5","3","6","5","3","2","1") = "5"
    & skf18("5","3","6","5","3","3","1") = "5"
    & skf18("5","3","6","5","3","4","1") = "5"
    & skf18("5","3","6","5","3","5","1") = "5"
    & skf18("5","3","6","5","3","6","1") = "5"
    & skf18("5","3","6","5","3","7","1") = "6"
    & skf18("5","3","6","5","3","8","1") = "7"
    & skf18("5","3","6","5","3","9","1") = "8"
    & skf18("5","3","6","5","3","10","1") = "9"
    & skf18("5","3","6","5","4","1","1") = "5"
    & skf18("5","3","6","5","4","2","1") = "5"
    & skf18("5","3","6","5","4","3","1") = "5"
    & skf18("5","3","6","5","4","4","1") = "5"
    & skf18("5","3","6","5","4","5","1") = "5"
    & skf18("5","3","6","5","4","6","1") = "5"
    & skf18("5","3","6","5","4","7","1") = "6"
    & skf18("5","3","6","5","4","8","1") = "7"
    & skf18("5","3","6","5","4","9","1") = "8"
    & skf18("5","3","6","5","4","10","1") = "9"
    & skf18("5","3","6","5","5","1","1") = "5"
    & skf18("5","3","6","5","5","2","1") = "5"
    & skf18("5","3","6","5","5","3","1") = "5"
    & skf18("5","3","6","5","5","4","1") = "5"
    & skf18("5","3","6","5","5","5","1") = "5"
    & skf18("5","3","6","5","5","6","1") = "5"
    & skf18("5","3","6","5","5","7","1") = "6"
    & skf18("5","3","6","5","5","8","1") = "7"
    & skf18("5","3","6","5","5","9","1") = "8"
    & skf18("5","3","6","5","5","10","1") = "9"
    & skf18("5","3","6","5","6","1","1") = "5"
    & skf18("5","3","6","5","6","2","1") = "5"
    & skf18("5","3","6","5","6","3","1") = "5"
    & skf18("5","3","6","5","6","4","1") = "5"
    & skf18("5","3","6","5","6","5","1") = "5"
    & skf18("5","3","6","5","6","6","1") = "5"
    & skf18("5","3","6","5","6","7","1") = "6"
    & skf18("5","3","6","5","6","8","1") = "7"
    & skf18("5","3","6","5","6","9","1") = "8"
    & skf18("5","3","6","5","6","10","1") = "9"
    & skf18("5","3","6","5","7","1","1") = "6"
    & skf18("5","3","6","5","7","2","1") = "6"
    & skf18("5","3","6","5","7","3","1") = "6"
    & skf18("5","3","6","5","7","4","1") = "6"
    & skf18("5","3","6","5","7","5","1") = "6"
    & skf18("5","3","6","5","7","6","1") = "6"
    & skf18("5","3","6","5","7","7","1") = "6"
    & skf18("5","3","6","5","7","8","1") = "7"
    & skf18("5","3","6","5","7","9","1") = "8"
    & skf18("5","3","6","5","7","10","1") = "9"
    & skf18("5","3","6","5","8","1","1") = "7"
    & skf18("5","3","6","5","8","2","1") = "7"
    & skf18("5","3","6","5","8","3","1") = "7"
    & skf18("5","3","6","5","8","4","1") = "7"
    & skf18("5","3","6","5","8","5","1") = "7"
    & skf18("5","3","6","5","8","6","1") = "7"
    & skf18("5","3","6","5","8","7","1") = "7"
    & skf18("5","3","6","5","8","8","1") = "7"
    & skf18("5","3","6","5","8","9","1") = "8"
    & skf18("5","3","6","5","8","10","1") = "9"
    & skf18("5","3","6","5","9","1","1") = "8"
    & skf18("5","3","6","5","9","2","1") = "8"
    & skf18("5","3","6","5","9","3","1") = "8"
    & skf18("5","3","6","5","9","4","1") = "8"
    & skf18("5","3","6","5","9","5","1") = "8"
    & skf18("5","3","6","5","9","6","1") = "8"
    & skf18("5","3","6","5","9","7","1") = "8"
    & skf18("5","3","6","5","9","8","1") = "8"
    & skf18("5","3","6","5","9","9","1") = "8"
    & skf18("5","3","6","5","9","10","1") = "9"
    & skf18("5","3","6","5","10","1","1") = "9"
    & skf18("5","3","6","5","10","2","1") = "9"
    & skf18("5","3","6","5","10","3","1") = "9"
    & skf18("5","3","6","5","10","4","1") = "9"
    & skf18("5","3","6","5","10","5","1") = "9"
    & skf18("5","3","6","5","10","6","1") = "9"
    & skf18("5","3","6","5","10","7","1") = "9"
    & skf18("5","3","6","5","10","8","1") = "9"
    & skf18("5","3","6","5","10","9","1") = "9"
    & skf18("5","3","6","5","10","10","1") = "9"
    & skf18("5","3","6","6","1","1","1") = "5"
    & skf18("5","3","6","6","1","2","1") = "5"
    & skf18("5","3","6","6","1","3","1") = "5"
    & skf18("5","3","6","6","1","4","1") = "5"
    & skf18("5","3","6","6","1","5","1") = "5"
    & skf18("5","3","6","6","1","6","1") = "5"
    & skf18("5","3","6","6","1","7","1") = "6"
    & skf18("5","3","6","6","1","8","1") = "7"
    & skf18("5","3","6","6","1","9","1") = "8"
    & skf18("5","3","6","6","1","10","1") = "9"
    & skf18("5","3","6","6","2","1","1") = "5"
    & skf18("5","3","6","6","2","2","1") = "5"
    & skf18("5","3","6","6","2","3","1") = "5"
    & skf18("5","3","6","6","2","4","1") = "5"
    & skf18("5","3","6","6","2","5","1") = "5"
    & skf18("5","3","6","6","2","6","1") = "5"
    & skf18("5","3","6","6","2","7","1") = "6"
    & skf18("5","3","6","6","2","8","1") = "7"
    & skf18("5","3","6","6","2","9","1") = "8"
    & skf18("5","3","6","6","2","10","1") = "9"
    & skf18("5","3","6","6","3","1","1") = "5"
    & skf18("5","3","6","6","3","2","1") = "5"
    & skf18("5","3","6","6","3","3","1") = "5"
    & skf18("5","3","6","6","3","4","1") = "5"
    & skf18("5","3","6","6","3","5","1") = "5"
    & skf18("5","3","6","6","3","6","1") = "5"
    & skf18("5","3","6","6","3","7","1") = "6"
    & skf18("5","3","6","6","3","8","1") = "7"
    & skf18("5","3","6","6","3","9","1") = "8"
    & skf18("5","3","6","6","3","10","1") = "9"
    & skf18("5","3","6","6","4","1","1") = "5"
    & skf18("5","3","6","6","4","2","1") = "5"
    & skf18("5","3","6","6","4","3","1") = "5"
    & skf18("5","3","6","6","4","4","1") = "5"
    & skf18("5","3","6","6","4","5","1") = "5"
    & skf18("5","3","6","6","4","6","1") = "5"
    & skf18("5","3","6","6","4","7","1") = "6"
    & skf18("5","3","6","6","4","8","1") = "7"
    & skf18("5","3","6","6","4","9","1") = "8"
    & skf18("5","3","6","6","4","10","1") = "9"
    & skf18("5","3","6","6","5","1","1") = "5"
    & skf18("5","3","6","6","5","2","1") = "5"
    & skf18("5","3","6","6","5","3","1") = "5"
    & skf18("5","3","6","6","5","4","1") = "5"
    & skf18("5","3","6","6","5","5","1") = "5"
    & skf18("5","3","6","6","5","6","1") = "5"
    & skf18("5","3","6","6","5","7","1") = "6"
    & skf18("5","3","6","6","5","8","1") = "7"
    & skf18("5","3","6","6","5","9","1") = "8"
    & skf18("5","3","6","6","5","10","1") = "9"
    & skf18("5","3","6","6","6","1","1") = "5"
    & skf18("5","3","6","6","6","2","1") = "5"
    & skf18("5","3","6","6","6","3","1") = "5"
    & skf18("5","3","6","6","6","4","1") = "5"
    & skf18("5","3","6","6","6","5","1") = "5"
    & skf18("5","3","6","6","6","6","1") = "5"
    & skf18("5","3","6","6","6","7","1") = "6"
    & skf18("5","3","6","6","6","8","1") = "7"
    & skf18("5","3","6","6","6","9","1") = "8"
    & skf18("5","3","6","6","6","10","1") = "9"
    & skf18("5","3","6","6","7","1","1") = "6"
    & skf18("5","3","6","6","7","2","1") = "6"
    & skf18("5","3","6","6","7","3","1") = "6"
    & skf18("5","3","6","6","7","4","1") = "6"
    & skf18("5","3","6","6","7","5","1") = "6"
    & skf18("5","3","6","6","7","6","1") = "6"
    & skf18("5","3","6","6","7","7","1") = "6"
    & skf18("5","3","6","6","7","8","1") = "7"
    & skf18("5","3","6","6","7","9","1") = "8"
    & skf18("5","3","6","6","7","10","1") = "9"
    & skf18("5","3","6","6","8","1","1") = "7"
    & skf18("5","3","6","6","8","2","1") = "7"
    & skf18("5","3","6","6","8","3","1") = "7"
    & skf18("5","3","6","6","8","4","1") = "7"
    & skf18("5","3","6","6","8","5","1") = "7"
    & skf18("5","3","6","6","8","6","1") = "7"
    & skf18("5","3","6","6","8","7","1") = "7"
    & skf18("5","3","6","6","8","8","1") = "7"
    & skf18("5","3","6","6","8","9","1") = "8"
    & skf18("5","3","6","6","8","10","1") = "9"
    & skf18("5","3","6","6","9","1","1") = "8"
    & skf18("5","3","6","6","9","2","1") = "8"
    & skf18("5","3","6","6","9","3","1") = "8"
    & skf18("5","3","6","6","9","4","1") = "8"
    & skf18("5","3","6","6","9","5","1") = "8"
    & skf18("5","3","6","6","9","6","1") = "8"
    & skf18("5","3","6","6","9","7","1") = "8"
    & skf18("5","3","6","6","9","8","1") = "8"
    & skf18("5","3","6","6","9","9","1") = "8"
    & skf18("5","3","6","6","9","10","1") = "9"
    & skf18("5","3","6","6","10","1","1") = "9"
    & skf18("5","3","6","6","10","2","1") = "9"
    & skf18("5","3","6","6","10","3","1") = "9"
    & skf18("5","3","6","6","10","4","1") = "9"
    & skf18("5","3","6","6","10","5","1") = "9"
    & skf18("5","3","6","6","10","6","1") = "9"
    & skf18("5","3","6","6","10","7","1") = "9"
    & skf18("5","3","6","6","10","8","1") = "9"
    & skf18("5","3","6","6","10","9","1") = "9"
    & skf18("5","3","6","6","10","10","1") = "9"
    & skf18("5","3","6","7","1","1","1") = "6"
    & skf18("5","3","6","7","1","2","1") = "6"
    & skf18("5","3","6","7","1","3","1") = "6"
    & skf18("5","3","6","7","1","4","1") = "6"
    & skf18("5","3","6","7","1","5","1") = "6"
    & skf18("5","3","6","7","1","6","1") = "6"
    & skf18("5","3","6","7","1","7","1") = "6"
    & skf18("5","3","6","7","1","8","1") = "7"
    & skf18("5","3","6","7","1","9","1") = "8"
    & skf18("5","3","6","7","1","10","1") = "9"
    & skf18("5","3","6","7","2","1","1") = "6"
    & skf18("5","3","6","7","2","2","1") = "6"
    & skf18("5","3","6","7","2","3","1") = "6"
    & skf18("5","3","6","7","2","4","1") = "6"
    & skf18("5","3","6","7","2","5","1") = "6"
    & skf18("5","3","6","7","2","6","1") = "6"
    & skf18("5","3","6","7","2","7","1") = "6"
    & skf18("5","3","6","7","2","8","1") = "7"
    & skf18("5","3","6","7","2","9","1") = "8"
    & skf18("5","3","6","7","2","10","1") = "9"
    & skf18("5","3","6","7","3","1","1") = "6"
    & skf18("5","3","6","7","3","2","1") = "6"
    & skf18("5","3","6","7","3","3","1") = "6"
    & skf18("5","3","6","7","3","4","1") = "6"
    & skf18("5","3","6","7","3","5","1") = "6"
    & skf18("5","3","6","7","3","6","1") = "6"
    & skf18("5","3","6","7","3","7","1") = "6"
    & skf18("5","3","6","7","3","8","1") = "7"
    & skf18("5","3","6","7","3","9","1") = "8"
    & skf18("5","3","6","7","3","10","1") = "9"
    & skf18("5","3","6","7","4","1","1") = "6"
    & skf18("5","3","6","7","4","2","1") = "6"
    & skf18("5","3","6","7","4","3","1") = "6"
    & skf18("5","3","6","7","4","4","1") = "6"
    & skf18("5","3","6","7","4","5","1") = "6"
    & skf18("5","3","6","7","4","6","1") = "6"
    & skf18("5","3","6","7","4","7","1") = "6"
    & skf18("5","3","6","7","4","8","1") = "7"
    & skf18("5","3","6","7","4","9","1") = "8"
    & skf18("5","3","6","7","4","10","1") = "9"
    & skf18("5","3","6","7","5","1","1") = "6"
    & skf18("5","3","6","7","5","2","1") = "6"
    & skf18("5","3","6","7","5","3","1") = "6"
    & skf18("5","3","6","7","5","4","1") = "6"
    & skf18("5","3","6","7","5","5","1") = "6"
    & skf18("5","3","6","7","5","6","1") = "6"
    & skf18("5","3","6","7","5","7","1") = "6"
    & skf18("5","3","6","7","5","8","1") = "7"
    & skf18("5","3","6","7","5","9","1") = "8"
    & skf18("5","3","6","7","5","10","1") = "9"
    & skf18("5","3","6","7","6","1","1") = "6"
    & skf18("5","3","6","7","6","2","1") = "6"
    & skf18("5","3","6","7","6","3","1") = "6"
    & skf18("5","3","6","7","6","4","1") = "6"
    & skf18("5","3","6","7","6","5","1") = "6"
    & skf18("5","3","6","7","6","6","1") = "6"
    & skf18("5","3","6","7","6","7","1") = "6"
    & skf18("5","3","6","7","6","8","1") = "7"
    & skf18("5","3","6","7","6","9","1") = "8"
    & skf18("5","3","6","7","6","10","1") = "9"
    & skf18("5","3","6","7","7","1","1") = "6"
    & skf18("5","3","6","7","7","2","1") = "6"
    & skf18("5","3","6","7","7","3","1") = "6"
    & skf18("5","3","6","7","7","4","1") = "6"
    & skf18("5","3","6","7","7","5","1") = "6"
    & skf18("5","3","6","7","7","6","1") = "6"
    & skf18("5","3","6","7","7","7","1") = "6"
    & skf18("5","3","6","7","7","8","1") = "7"
    & skf18("5","3","6","7","7","9","1") = "8"
    & skf18("5","3","6","7","7","10","1") = "9"
    & skf18("5","3","6","7","8","1","1") = "7"
    & skf18("5","3","6","7","8","2","1") = "7"
    & skf18("5","3","6","7","8","3","1") = "7"
    & skf18("5","3","6","7","8","4","1") = "7"
    & skf18("5","3","6","7","8","5","1") = "7"
    & skf18("5","3","6","7","8","6","1") = "7"
    & skf18("5","3","6","7","8","7","1") = "7"
    & skf18("5","3","6","7","8","8","1") = "7"
    & skf18("5","3","6","7","8","9","1") = "8"
    & skf18("5","3","6","7","8","10","1") = "9"
    & skf18("5","3","6","7","9","1","1") = "8"
    & skf18("5","3","6","7","9","2","1") = "8"
    & skf18("5","3","6","7","9","3","1") = "8"
    & skf18("5","3","6","7","9","4","1") = "8"
    & skf18("5","3","6","7","9","5","1") = "8"
    & skf18("5","3","6","7","9","6","1") = "8"
    & skf18("5","3","6","7","9","7","1") = "8"
    & skf18("5","3","6","7","9","8","1") = "8"
    & skf18("5","3","6","7","9","9","1") = "8"
    & skf18("5","3","6","7","9","10","1") = "9"
    & skf18("5","3","6","7","10","1","1") = "9"
    & skf18("5","3","6","7","10","2","1") = "9"
    & skf18("5","3","6","7","10","3","1") = "9"
    & skf18("5","3","6","7","10","4","1") = "9"
    & skf18("5","3","6","7","10","5","1") = "9"
    & skf18("5","3","6","7","10","6","1") = "9"
    & skf18("5","3","6","7","10","7","1") = "9"
    & skf18("5","3","6","7","10","8","1") = "9"
    & skf18("5","3","6","7","10","9","1") = "9"
    & skf18("5","3","6","7","10","10","1") = "9"
    & skf18("5","3","6","8","1","1","1") = "7"
    & skf18("5","3","6","8","1","2","1") = "7"
    & skf18("5","3","6","8","1","3","1") = "7"
    & skf18("5","3","6","8","1","4","1") = "7"
    & skf18("5","3","6","8","1","5","1") = "7"
    & skf18("5","3","6","8","1","6","1") = "7"
    & skf18("5","3","6","8","1","7","1") = "7"
    & skf18("5","3","6","8","1","8","1") = "7"
    & skf18("5","3","6","8","1","9","1") = "8"
    & skf18("5","3","6","8","1","10","1") = "9"
    & skf18("5","3","6","8","2","1","1") = "7"
    & skf18("5","3","6","8","2","2","1") = "7"
    & skf18("5","3","6","8","2","3","1") = "7"
    & skf18("5","3","6","8","2","4","1") = "7"
    & skf18("5","3","6","8","2","5","1") = "7"
    & skf18("5","3","6","8","2","6","1") = "7"
    & skf18("5","3","6","8","2","7","1") = "7"
    & skf18("5","3","6","8","2","8","1") = "7"
    & skf18("5","3","6","8","2","9","1") = "8"
    & skf18("5","3","6","8","2","10","1") = "9"
    & skf18("5","3","6","8","3","1","1") = "7"
    & skf18("5","3","6","8","3","2","1") = "7"
    & skf18("5","3","6","8","3","3","1") = "7"
    & skf18("5","3","6","8","3","4","1") = "7"
    & skf18("5","3","6","8","3","5","1") = "7"
    & skf18("5","3","6","8","3","6","1") = "7"
    & skf18("5","3","6","8","3","7","1") = "7"
    & skf18("5","3","6","8","3","8","1") = "7"
    & skf18("5","3","6","8","3","9","1") = "8"
    & skf18("5","3","6","8","3","10","1") = "9"
    & skf18("5","3","6","8","4","1","1") = "7"
    & skf18("5","3","6","8","4","2","1") = "7"
    & skf18("5","3","6","8","4","3","1") = "7"
    & skf18("5","3","6","8","4","4","1") = "7"
    & skf18("5","3","6","8","4","5","1") = "7"
    & skf18("5","3","6","8","4","6","1") = "7"
    & skf18("5","3","6","8","4","7","1") = "7"
    & skf18("5","3","6","8","4","8","1") = "7"
    & skf18("5","3","6","8","4","9","1") = "8"
    & skf18("5","3","6","8","4","10","1") = "9"
    & skf18("5","3","6","8","5","1","1") = "7"
    & skf18("5","3","6","8","5","2","1") = "7"
    & skf18("5","3","6","8","5","3","1") = "7"
    & skf18("5","3","6","8","5","4","1") = "7"
    & skf18("5","3","6","8","5","5","1") = "7"
    & skf18("5","3","6","8","5","6","1") = "7"
    & skf18("5","3","6","8","5","7","1") = "7"
    & skf18("5","3","6","8","5","8","1") = "7"
    & skf18("5","3","6","8","5","9","1") = "8"
    & skf18("5","3","6","8","5","10","1") = "9"
    & skf18("5","3","6","8","6","1","1") = "7"
    & skf18("5","3","6","8","6","2","1") = "7"
    & skf18("5","3","6","8","6","3","1") = "7"
    & skf18("5","3","6","8","6","4","1") = "7"
    & skf18("5","3","6","8","6","5","1") = "7"
    & skf18("5","3","6","8","6","6","1") = "7"
    & skf18("5","3","6","8","6","7","1") = "7"
    & skf18("5","3","6","8","6","8","1") = "7"
    & skf18("5","3","6","8","6","9","1") = "8"
    & skf18("5","3","6","8","6","10","1") = "9"
    & skf18("5","3","6","8","7","1","1") = "7"
    & skf18("5","3","6","8","7","2","1") = "7"
    & skf18("5","3","6","8","7","3","1") = "7"
    & skf18("5","3","6","8","7","4","1") = "7"
    & skf18("5","3","6","8","7","5","1") = "7"
    & skf18("5","3","6","8","7","6","1") = "7"
    & skf18("5","3","6","8","7","7","1") = "7"
    & skf18("5","3","6","8","7","8","1") = "7"
    & skf18("5","3","6","8","7","9","1") = "8"
    & skf18("5","3","6","8","7","10","1") = "9"
    & skf18("5","3","6","8","8","1","1") = "7"
    & skf18("5","3","6","8","8","2","1") = "7"
    & skf18("5","3","6","8","8","3","1") = "7"
    & skf18("5","3","6","8","8","4","1") = "7"
    & skf18("5","3","6","8","8","5","1") = "7"
    & skf18("5","3","6","8","8","6","1") = "7"
    & skf18("5","3","6","8","8","7","1") = "7"
    & skf18("5","3","6","8","8","8","1") = "7"
    & skf18("5","3","6","8","8","9","1") = "8"
    & skf18("5","3","6","8","8","10","1") = "9"
    & skf18("5","3","6","8","9","1","1") = "8"
    & skf18("5","3","6","8","9","2","1") = "8"
    & skf18("5","3","6","8","9","3","1") = "8"
    & skf18("5","3","6","8","9","4","1") = "8"
    & skf18("5","3","6","8","9","5","1") = "8"
    & skf18("5","3","6","8","9","6","1") = "8"
    & skf18("5","3","6","8","9","7","1") = "8"
    & skf18("5","3","6","8","9","8","1") = "8"
    & skf18("5","3","6","8","9","9","1") = "8"
    & skf18("5","3","6","8","9","10","1") = "9"
    & skf18("5","3","6","8","10","1","1") = "9"
    & skf18("5","3","6","8","10","2","1") = "9"
    & skf18("5","3","6","8","10","3","1") = "9"
    & skf18("5","3","6","8","10","4","1") = "9"
    & skf18("5","3","6","8","10","5","1") = "9"
    & skf18("5","3","6","8","10","6","1") = "9"
    & skf18("5","3","6","8","10","7","1") = "9"
    & skf18("5","3","6","8","10","8","1") = "9"
    & skf18("5","3","6","8","10","9","1") = "9"
    & skf18("5","3","6","8","10","10","1") = "9"
    & skf18("5","3","6","9","1","1","1") = "8"
    & skf18("5","3","6","9","1","2","1") = "8"
    & skf18("5","3","6","9","1","3","1") = "8"
    & skf18("5","3","6","9","1","4","1") = "8"
    & skf18("5","3","6","9","1","5","1") = "8"
    & skf18("5","3","6","9","1","6","1") = "8"
    & skf18("5","3","6","9","1","7","1") = "8"
    & skf18("5","3","6","9","1","8","1") = "8"
    & skf18("5","3","6","9","1","9","1") = "8"
    & skf18("5","3","6","9","1","10","1") = "9"
    & skf18("5","3","6","9","2","1","1") = "8"
    & skf18("5","3","6","9","2","2","1") = "8"
    & skf18("5","3","6","9","2","3","1") = "8"
    & skf18("5","3","6","9","2","4","1") = "8"
    & skf18("5","3","6","9","2","5","1") = "8"
    & skf18("5","3","6","9","2","6","1") = "8"
    & skf18("5","3","6","9","2","7","1") = "8"
    & skf18("5","3","6","9","2","8","1") = "8"
    & skf18("5","3","6","9","2","9","1") = "8"
    & skf18("5","3","6","9","2","10","1") = "9"
    & skf18("5","3","6","9","3","1","1") = "8"
    & skf18("5","3","6","9","3","2","1") = "8"
    & skf18("5","3","6","9","3","3","1") = "8"
    & skf18("5","3","6","9","3","4","1") = "8"
    & skf18("5","3","6","9","3","5","1") = "8"
    & skf18("5","3","6","9","3","6","1") = "8"
    & skf18("5","3","6","9","3","7","1") = "8"
    & skf18("5","3","6","9","3","8","1") = "8"
    & skf18("5","3","6","9","3","9","1") = "8"
    & skf18("5","3","6","9","3","10","1") = "9"
    & skf18("5","3","6","9","4","1","1") = "8"
    & skf18("5","3","6","9","4","2","1") = "8"
    & skf18("5","3","6","9","4","3","1") = "8"
    & skf18("5","3","6","9","4","4","1") = "8"
    & skf18("5","3","6","9","4","5","1") = "8"
    & skf18("5","3","6","9","4","6","1") = "8"
    & skf18("5","3","6","9","4","7","1") = "8"
    & skf18("5","3","6","9","4","8","1") = "8"
    & skf18("5","3","6","9","4","9","1") = "8"
    & skf18("5","3","6","9","4","10","1") = "9"
    & skf18("5","3","6","9","5","1","1") = "8"
    & skf18("5","3","6","9","5","2","1") = "8"
    & skf18("5","3","6","9","5","3","1") = "8"
    & skf18("5","3","6","9","5","4","1") = "8"
    & skf18("5","3","6","9","5","5","1") = "8"
    & skf18("5","3","6","9","5","6","1") = "8"
    & skf18("5","3","6","9","5","7","1") = "8"
    & skf18("5","3","6","9","5","8","1") = "8"
    & skf18("5","3","6","9","5","9","1") = "8"
    & skf18("5","3","6","9","5","10","1") = "9"
    & skf18("5","3","6","9","6","1","1") = "8"
    & skf18("5","3","6","9","6","2","1") = "8"
    & skf18("5","3","6","9","6","3","1") = "8"
    & skf18("5","3","6","9","6","4","1") = "8"
    & skf18("5","3","6","9","6","5","1") = "8"
    & skf18("5","3","6","9","6","6","1") = "8"
    & skf18("5","3","6","9","6","7","1") = "8"
    & skf18("5","3","6","9","6","8","1") = "8"
    & skf18("5","3","6","9","6","9","1") = "8"
    & skf18("5","3","6","9","6","10","1") = "9"
    & skf18("5","3","6","9","7","1","1") = "8"
    & skf18("5","3","6","9","7","2","1") = "8"
    & skf18("5","3","6","9","7","3","1") = "8"
    & skf18("5","3","6","9","7","4","1") = "8"
    & skf18("5","3","6","9","7","5","1") = "8"
    & skf18("5","3","6","9","7","6","1") = "8"
    & skf18("5","3","6","9","7","7","1") = "8"
    & skf18("5","3","6","9","7","8","1") = "8"
    & skf18("5","3","6","9","7","9","1") = "8"
    & skf18("5","3","6","9","7","10","1") = "9"
    & skf18("5","3","6","9","8","1","1") = "8"
    & skf18("5","3","6","9","8","2","1") = "8"
    & skf18("5","3","6","9","8","3","1") = "8"
    & skf18("5","3","6","9","8","4","1") = "8"
    & skf18("5","3","6","9","8","5","1") = "8"
    & skf18("5","3","6","9","8","6","1") = "8"
    & skf18("5","3","6","9","8","7","1") = "8"
    & skf18("5","3","6","9","8","8","1") = "8"
    & skf18("5","3","6","9","8","9","1") = "8"
    & skf18("5","3","6","9","8","10","1") = "9"
    & skf18("5","3","6","9","9","1","1") = "8"
    & skf18("5","3","6","9","9","2","1") = "8"
    & skf18("5","3","6","9","9","3","1") = "8"
    & skf18("5","3","6","9","9","4","1") = "8"
    & skf18("5","3","6","9","9","5","1") = "8"
    & skf18("5","3","6","9","9","6","1") = "8"
    & skf18("5","3","6","9","9","7","1") = "8"
    & skf18("5","3","6","9","9","8","1") = "8"
    & skf18("5","3","6","9","9","9","1") = "8"
    & skf18("5","3","6","9","9","10","1") = "9"
    & skf18("5","3","6","9","10","1","1") = "9"
    & skf18("5","3","6","9","10","2","1") = "9"
    & skf18("5","3","6","9","10","3","1") = "9"
    & skf18("5","3","6","9","10","4","1") = "9"
    & skf18("5","3","6","9","10","5","1") = "9"
    & skf18("5","3","6","9","10","6","1") = "9"
    & skf18("5","3","6","9","10","7","1") = "9"
    & skf18("5","3","6","9","10","8","1") = "9"
    & skf18("5","3","6","9","10","9","1") = "9"
    & skf18("5","3","6","9","10","10","1") = "9"
    & skf18("5","3","6","10","1","1","1") = "9"
    & skf18("5","3","6","10","1","2","1") = "9"
    & skf18("5","3","6","10","1","3","1") = "9"
    & skf18("5","3","6","10","1","4","1") = "9"
    & skf18("5","3","6","10","1","5","1") = "9"
    & skf18("5","3","6","10","1","6","1") = "9"
    & skf18("5","3","6","10","1","7","1") = "9"
    & skf18("5","3","6","10","1","8","1") = "9"
    & skf18("5","3","6","10","1","9","1") = "9"
    & skf18("5","3","6","10","1","10","1") = "9"
    & skf18("5","3","6","10","2","1","1") = "9"
    & skf18("5","3","6","10","2","2","1") = "9"
    & skf18("5","3","6","10","2","3","1") = "9"
    & skf18("5","3","6","10","2","4","1") = "9"
    & skf18("5","3","6","10","2","5","1") = "9"
    & skf18("5","3","6","10","2","6","1") = "9"
    & skf18("5","3","6","10","2","7","1") = "9"
    & skf18("5","3","6","10","2","8","1") = "9"
    & skf18("5","3","6","10","2","9","1") = "9"
    & skf18("5","3","6","10","2","10","1") = "9"
    & skf18("5","3","6","10","3","1","1") = "9"
    & skf18("5","3","6","10","3","2","1") = "9"
    & skf18("5","3","6","10","3","3","1") = "9"
    & skf18("5","3","6","10","3","4","1") = "9"
    & skf18("5","3","6","10","3","5","1") = "9"
    & skf18("5","3","6","10","3","6","1") = "9"
    & skf18("5","3","6","10","3","7","1") = "9"
    & skf18("5","3","6","10","3","8","1") = "9"
    & skf18("5","3","6","10","3","9","1") = "9"
    & skf18("5","3","6","10","3","10","1") = "9"
    & skf18("5","3","6","10","4","1","1") = "9"
    & skf18("5","3","6","10","4","2","1") = "9"
    & skf18("5","3","6","10","4","3","1") = "9"
    & skf18("5","3","6","10","4","4","1") = "9"
    & skf18("5","3","6","10","4","5","1") = "9"
    & skf18("5","3","6","10","4","6","1") = "9"
    & skf18("5","3","6","10","4","7","1") = "9"
    & skf18("5","3","6","10","4","8","1") = "9"
    & skf18("5","3","6","10","4","9","1") = "9"
    & skf18("5","3","6","10","4","10","1") = "9"
    & skf18("5","3","6","10","5","1","1") = "9"
    & skf18("5","3","6","10","5","2","1") = "9"
    & skf18("5","3","6","10","5","3","1") = "9"
    & skf18("5","3","6","10","5","4","1") = "9"
    & skf18("5","3","6","10","5","5","1") = "9"
    & skf18("5","3","6","10","5","6","1") = "9"
    & skf18("5","3","6","10","5","7","1") = "9"
    & skf18("5","3","6","10","5","8","1") = "9"
    & skf18("5","3","6","10","5","9","1") = "9"
    & skf18("5","3","6","10","5","10","1") = "9"
    & skf18("5","3","6","10","6","1","1") = "9"
    & skf18("5","3","6","10","6","2","1") = "9"
    & skf18("5","3","6","10","6","3","1") = "9"
    & skf18("5","3","6","10","6","4","1") = "9"
    & skf18("5","3","6","10","6","5","1") = "9"
    & skf18("5","3","6","10","6","6","1") = "9"
    & skf18("5","3","6","10","6","7","1") = "9"
    & skf18("5","3","6","10","6","8","1") = "9"
    & skf18("5","3","6","10","6","9","1") = "9"
    & skf18("5","3","6","10","6","10","1") = "9"
    & skf18("5","3","6","10","7","1","1") = "9"
    & skf18("5","3","6","10","7","2","1") = "9"
    & skf18("5","3","6","10","7","3","1") = "9"
    & skf18("5","3","6","10","7","4","1") = "9"
    & skf18("5","3","6","10","7","5","1") = "9"
    & skf18("5","3","6","10","7","6","1") = "9"
    & skf18("5","3","6","10","7","7","1") = "9"
    & skf18("5","3","6","10","7","8","1") = "9"
    & skf18("5","3","6","10","7","9","1") = "9"
    & skf18("5","3","6","10","7","10","1") = "9"
    & skf18("5","3","6","10","8","1","1") = "9"
    & skf18("5","3","6","10","8","2","1") = "9"
    & skf18("5","3","6","10","8","3","1") = "9"
    & skf18("5","3","6","10","8","4","1") = "9"
    & skf18("5","3","6","10","8","5","1") = "9"
    & skf18("5","3","6","10","8","6","1") = "9"
    & skf18("5","3","6","10","8","7","1") = "9"
    & skf18("5","3","6","10","8","8","1") = "9"
    & skf18("5","3","6","10","8","9","1") = "9"
    & skf18("5","3","6","10","8","10","1") = "9"
    & skf18("5","3","6","10","9","1","1") = "9"
    & skf18("5","3","6","10","9","2","1") = "9"
    & skf18("5","3","6","10","9","3","1") = "9"
    & skf18("5","3","6","10","9","4","1") = "9"
    & skf18("5","3","6","10","9","5","1") = "9"
    & skf18("5","3","6","10","9","6","1") = "9"
    & skf18("5","3","6","10","9","7","1") = "9"
    & skf18("5","3","6","10","9","8","1") = "9"
    & skf18("5","3","6","10","9","9","1") = "9"
    & skf18("5","3","6","10","9","10","1") = "9"
    & skf18("5","3","6","10","10","1","1") = "9"
    & skf18("5","3","6","10","10","2","1") = "9"
    & skf18("5","3","6","10","10","3","1") = "9"
    & skf18("5","3","6","10","10","4","1") = "9"
    & skf18("5","3","6","10","10","5","1") = "9"
    & skf18("5","3","6","10","10","6","1") = "9"
    & skf18("5","3","6","10","10","7","1") = "9"
    & skf18("5","3","6","10","10","8","1") = "9"
    & skf18("5","3","6","10","10","9","1") = "9"
    & skf18("5","3","6","10","10","10","1") = "9"
    & skf18("5","3","7","1","1","1","1") = "6"
    & skf18("5","3","7","1","1","2","1") = "6"
    & skf18("5","3","7","1","1","3","1") = "6"
    & skf18("5","3","7","1","1","4","1") = "6"
    & skf18("5","3","7","1","1","5","1") = "6"
    & skf18("5","3","7","1","1","6","1") = "6"
    & skf18("5","3","7","1","1","7","1") = "6"
    & skf18("5","3","7","1","1","8","1") = "7"
    & skf18("5","3","7","1","1","9","1") = "8"
    & skf18("5","3","7","1","1","10","1") = "9"
    & skf18("5","3","7","1","2","1","1") = "6"
    & skf18("5","3","7","1","2","2","1") = "6"
    & skf18("5","3","7","1","2","3","1") = "6"
    & skf18("5","3","7","1","2","4","1") = "6"
    & skf18("5","3","7","1","2","5","1") = "6"
    & skf18("5","3","7","1","2","6","1") = "6"
    & skf18("5","3","7","1","2","7","1") = "6"
    & skf18("5","3","7","1","2","8","1") = "7"
    & skf18("5","3","7","1","2","9","1") = "8"
    & skf18("5","3","7","1","2","10","1") = "9"
    & skf18("5","3","7","1","3","1","1") = "6"
    & skf18("5","3","7","1","3","2","1") = "6"
    & skf18("5","3","7","1","3","3","1") = "6"
    & skf18("5","3","7","1","3","4","1") = "6"
    & skf18("5","3","7","1","3","5","1") = "6"
    & skf18("5","3","7","1","3","6","1") = "6"
    & skf18("5","3","7","1","3","7","1") = "6"
    & skf18("5","3","7","1","3","8","1") = "7"
    & skf18("5","3","7","1","3","9","1") = "8"
    & skf18("5","3","7","1","3","10","1") = "9"
    & skf18("5","3","7","1","4","1","1") = "6"
    & skf18("5","3","7","1","4","2","1") = "6"
    & skf18("5","3","7","1","4","3","1") = "6"
    & skf18("5","3","7","1","4","4","1") = "6"
    & skf18("5","3","7","1","4","5","1") = "6"
    & skf18("5","3","7","1","4","6","1") = "6"
    & skf18("5","3","7","1","4","7","1") = "6"
    & skf18("5","3","7","1","4","8","1") = "7"
    & skf18("5","3","7","1","4","9","1") = "8"
    & skf18("5","3","7","1","4","10","1") = "9"
    & skf18("5","3","7","1","5","1","1") = "6"
    & skf18("5","3","7","1","5","2","1") = "6"
    & skf18("5","3","7","1","5","3","1") = "6"
    & skf18("5","3","7","1","5","4","1") = "6"
    & skf18("5","3","7","1","5","5","1") = "6"
    & skf18("5","3","7","1","5","6","1") = "6"
    & skf18("5","3","7","1","5","7","1") = "6"
    & skf18("5","3","7","1","5","8","1") = "7"
    & skf18("5","3","7","1","5","9","1") = "8"
    & skf18("5","3","7","1","5","10","1") = "9"
    & skf18("5","3","7","1","6","1","1") = "6"
    & skf18("5","3","7","1","6","2","1") = "6"
    & skf18("5","3","7","1","6","3","1") = "6"
    & skf18("5","3","7","1","6","4","1") = "6"
    & skf18("5","3","7","1","6","5","1") = "6"
    & skf18("5","3","7","1","6","6","1") = "6"
    & skf18("5","3","7","1","6","7","1") = "6"
    & skf18("5","3","7","1","6","8","1") = "7"
    & skf18("5","3","7","1","6","9","1") = "8"
    & skf18("5","3","7","1","6","10","1") = "9"
    & skf18("5","3","7","1","7","1","1") = "6"
    & skf18("5","3","7","1","7","2","1") = "6"
    & skf18("5","3","7","1","7","3","1") = "6"
    & skf18("5","3","7","1","7","4","1") = "6"
    & skf18("5","3","7","1","7","5","1") = "6"
    & skf18("5","3","7","1","7","6","1") = "6"
    & skf18("5","3","7","1","7","7","1") = "6"
    & skf18("5","3","7","1","7","8","1") = "7"
    & skf18("5","3","7","1","7","9","1") = "8"
    & skf18("5","3","7","1","7","10","1") = "9"
    & skf18("5","3","7","1","8","1","1") = "7"
    & skf18("5","3","7","1","8","2","1") = "7"
    & skf18("5","3","7","1","8","3","1") = "7"
    & skf18("5","3","7","1","8","4","1") = "7"
    & skf18("5","3","7","1","8","5","1") = "7"
    & skf18("5","3","7","1","8","6","1") = "7"
    & skf18("5","3","7","1","8","7","1") = "7"
    & skf18("5","3","7","1","8","8","1") = "7"
    & skf18("5","3","7","1","8","9","1") = "8"
    & skf18("5","3","7","1","8","10","1") = "9"
    & skf18("5","3","7","1","9","1","1") = "8"
    & skf18("5","3","7","1","9","2","1") = "8"
    & skf18("5","3","7","1","9","3","1") = "8"
    & skf18("5","3","7","1","9","4","1") = "8"
    & skf18("5","3","7","1","9","5","1") = "8"
    & skf18("5","3","7","1","9","6","1") = "8"
    & skf18("5","3","7","1","9","7","1") = "8"
    & skf18("5","3","7","1","9","8","1") = "8"
    & skf18("5","3","7","1","9","9","1") = "8"
    & skf18("5","3","7","1","9","10","1") = "9"
    & skf18("5","3","7","1","10","1","1") = "9"
    & skf18("5","3","7","1","10","2","1") = "9"
    & skf18("5","3","7","1","10","3","1") = "9"
    & skf18("5","3","7","1","10","4","1") = "9"
    & skf18("5","3","7","1","10","5","1") = "9"
    & skf18("5","3","7","1","10","6","1") = "9"
    & skf18("5","3","7","1","10","7","1") = "9"
    & skf18("5","3","7","1","10","8","1") = "9"
    & skf18("5","3","7","1","10","9","1") = "9"
    & skf18("5","3","7","1","10","10","1") = "9"
    & skf18("5","3","7","2","1","1","1") = "6"
    & skf18("5","3","7","2","1","2","1") = "6"
    & skf18("5","3","7","2","1","3","1") = "6"
    & skf18("5","3","7","2","1","4","1") = "6"
    & skf18("5","3","7","2","1","5","1") = "6"
    & skf18("5","3","7","2","1","6","1") = "6"
    & skf18("5","3","7","2","1","7","1") = "6"
    & skf18("5","3","7","2","1","8","1") = "7"
    & skf18("5","3","7","2","1","9","1") = "8"
    & skf18("5","3","7","2","1","10","1") = "9"
    & skf18("5","3","7","2","2","1","1") = "6"
    & skf18("5","3","7","2","2","2","1") = "6"
    & skf18("5","3","7","2","2","3","1") = "6"
    & skf18("5","3","7","2","2","4","1") = "6"
    & skf18("5","3","7","2","2","5","1") = "6"
    & skf18("5","3","7","2","2","6","1") = "6"
    & skf18("5","3","7","2","2","7","1") = "6"
    & skf18("5","3","7","2","2","8","1") = "7"
    & skf18("5","3","7","2","2","9","1") = "8"
    & skf18("5","3","7","2","2","10","1") = "9"
    & skf18("5","3","7","2","3","1","1") = "6"
    & skf18("5","3","7","2","3","2","1") = "6"
    & skf18("5","3","7","2","3","3","1") = "6"
    & skf18("5","3","7","2","3","4","1") = "6"
    & skf18("5","3","7","2","3","5","1") = "6"
    & skf18("5","3","7","2","3","6","1") = "6"
    & skf18("5","3","7","2","3","7","1") = "6"
    & skf18("5","3","7","2","3","8","1") = "7"
    & skf18("5","3","7","2","3","9","1") = "8"
    & skf18("5","3","7","2","3","10","1") = "9"
    & skf18("5","3","7","2","4","1","1") = "6"
    & skf18("5","3","7","2","4","2","1") = "6"
    & skf18("5","3","7","2","4","3","1") = "6"
    & skf18("5","3","7","2","4","4","1") = "6"
    & skf18("5","3","7","2","4","5","1") = "6"
    & skf18("5","3","7","2","4","6","1") = "6"
    & skf18("5","3","7","2","4","7","1") = "6"
    & skf18("5","3","7","2","4","8","1") = "7"
    & skf18("5","3","7","2","4","9","1") = "8"
    & skf18("5","3","7","2","4","10","1") = "9"
    & skf18("5","3","7","2","5","1","1") = "6"
    & skf18("5","3","7","2","5","2","1") = "6"
    & skf18("5","3","7","2","5","3","1") = "6"
    & skf18("5","3","7","2","5","4","1") = "6"
    & skf18("5","3","7","2","5","5","1") = "6"
    & skf18("5","3","7","2","5","6","1") = "6"
    & skf18("5","3","7","2","5","7","1") = "6"
    & skf18("5","3","7","2","5","8","1") = "7"
    & skf18("5","3","7","2","5","9","1") = "8"
    & skf18("5","3","7","2","5","10","1") = "9"
    & skf18("5","3","7","2","6","1","1") = "6"
    & skf18("5","3","7","2","6","2","1") = "6"
    & skf18("5","3","7","2","6","3","1") = "6"
    & skf18("5","3","7","2","6","4","1") = "6"
    & skf18("5","3","7","2","6","5","1") = "6"
    & skf18("5","3","7","2","6","6","1") = "6"
    & skf18("5","3","7","2","6","7","1") = "6"
    & skf18("5","3","7","2","6","8","1") = "7"
    & skf18("5","3","7","2","6","9","1") = "8"
    & skf18("5","3","7","2","6","10","1") = "9"
    & skf18("5","3","7","2","7","1","1") = "6"
    & skf18("5","3","7","2","7","2","1") = "6"
    & skf18("5","3","7","2","7","3","1") = "6"
    & skf18("5","3","7","2","7","4","1") = "6"
    & skf18("5","3","7","2","7","5","1") = "6"
    & skf18("5","3","7","2","7","6","1") = "6"
    & skf18("5","3","7","2","7","7","1") = "6"
    & skf18("5","3","7","2","7","8","1") = "7"
    & skf18("5","3","7","2","7","9","1") = "8"
    & skf18("5","3","7","2","7","10","1") = "9"
    & skf18("5","3","7","2","8","1","1") = "7"
    & skf18("5","3","7","2","8","2","1") = "7"
    & skf18("5","3","7","2","8","3","1") = "7"
    & skf18("5","3","7","2","8","4","1") = "7"
    & skf18("5","3","7","2","8","5","1") = "7"
    & skf18("5","3","7","2","8","6","1") = "7"
    & skf18("5","3","7","2","8","7","1") = "7"
    & skf18("5","3","7","2","8","8","1") = "7"
    & skf18("5","3","7","2","8","9","1") = "8"
    & skf18("5","3","7","2","8","10","1") = "9"
    & skf18("5","3","7","2","9","1","1") = "8"
    & skf18("5","3","7","2","9","2","1") = "8"
    & skf18("5","3","7","2","9","3","1") = "8"
    & skf18("5","3","7","2","9","4","1") = "8"
    & skf18("5","3","7","2","9","5","1") = "8"
    & skf18("5","3","7","2","9","6","1") = "8"
    & skf18("5","3","7","2","9","7","1") = "8"
    & skf18("5","3","7","2","9","8","1") = "8"
    & skf18("5","3","7","2","9","9","1") = "8"
    & skf18("5","3","7","2","9","10","1") = "9"
    & skf18("5","3","7","2","10","1","1") = "9"
    & skf18("5","3","7","2","10","2","1") = "9"
    & skf18("5","3","7","2","10","3","1") = "9"
    & skf18("5","3","7","2","10","4","1") = "9"
    & skf18("5","3","7","2","10","5","1") = "9"
    & skf18("5","3","7","2","10","6","1") = "9"
    & skf18("5","3","7","2","10","7","1") = "9"
    & skf18("5","3","7","2","10","8","1") = "9"
    & skf18("5","3","7","2","10","9","1") = "9"
    & skf18("5","3","7","2","10","10","1") = "9"
    & skf18("5","3","7","3","1","1","1") = "6"
    & skf18("5","3","7","3","1","2","1") = "6"
    & skf18("5","3","7","3","1","3","1") = "6"
    & skf18("5","3","7","3","1","4","1") = "6"
    & skf18("5","3","7","3","1","5","1") = "6"
    & skf18("5","3","7","3","1","6","1") = "6"
    & skf18("5","3","7","3","1","7","1") = "6"
    & skf18("5","3","7","3","1","8","1") = "7"
    & skf18("5","3","7","3","1","9","1") = "8"
    & skf18("5","3","7","3","1","10","1") = "9"
    & skf18("5","3","7","3","2","1","1") = "6"
    & skf18("5","3","7","3","2","2","1") = "6"
    & skf18("5","3","7","3","2","3","1") = "6"
    & skf18("5","3","7","3","2","4","1") = "6"
    & skf18("5","3","7","3","2","5","1") = "6"
    & skf18("5","3","7","3","2","6","1") = "6"
    & skf18("5","3","7","3","2","7","1") = "6"
    & skf18("5","3","7","3","2","8","1") = "7"
    & skf18("5","3","7","3","2","9","1") = "8"
    & skf18("5","3","7","3","2","10","1") = "9"
    & skf18("5","3","7","3","3","1","1") = "6"
    & skf18("5","3","7","3","3","2","1") = "6"
    & skf18("5","3","7","3","3","3","1") = "6"
    & skf18("5","3","7","3","3","4","1") = "6"
    & skf18("5","3","7","3","3","5","1") = "6"
    & skf18("5","3","7","3","3","6","1") = "6"
    & skf18("5","3","7","3","3","7","1") = "6"
    & skf18("5","3","7","3","3","8","1") = "7"
    & skf18("5","3","7","3","3","9","1") = "8"
    & skf18("5","3","7","3","3","10","1") = "9"
    & skf18("5","3","7","3","4","1","1") = "6"
    & skf18("5","3","7","3","4","2","1") = "6"
    & skf18("5","3","7","3","4","3","1") = "6"
    & skf18("5","3","7","3","4","4","1") = "6"
    & skf18("5","3","7","3","4","5","1") = "6"
    & skf18("5","3","7","3","4","6","1") = "6"
    & skf18("5","3","7","3","4","7","1") = "6"
    & skf18("5","3","7","3","4","8","1") = "7"
    & skf18("5","3","7","3","4","9","1") = "8"
    & skf18("5","3","7","3","4","10","1") = "9"
    & skf18("5","3","7","3","5","1","1") = "6"
    & skf18("5","3","7","3","5","2","1") = "6"
    & skf18("5","3","7","3","5","3","1") = "6"
    & skf18("5","3","7","3","5","4","1") = "6"
    & skf18("5","3","7","3","5","5","1") = "6"
    & skf18("5","3","7","3","5","6","1") = "6"
    & skf18("5","3","7","3","5","7","1") = "6"
    & skf18("5","3","7","3","5","8","1") = "7"
    & skf18("5","3","7","3","5","9","1") = "8"
    & skf18("5","3","7","3","5","10","1") = "9"
    & skf18("5","3","7","3","6","1","1") = "6"
    & skf18("5","3","7","3","6","2","1") = "6"
    & skf18("5","3","7","3","6","3","1") = "6"
    & skf18("5","3","7","3","6","4","1") = "6"
    & skf18("5","3","7","3","6","5","1") = "6"
    & skf18("5","3","7","3","6","6","1") = "6"
    & skf18("5","3","7","3","6","7","1") = "6"
    & skf18("5","3","7","3","6","8","1") = "7"
    & skf18("5","3","7","3","6","9","1") = "8"
    & skf18("5","3","7","3","6","10","1") = "9"
    & skf18("5","3","7","3","7","1","1") = "6"
    & skf18("5","3","7","3","7","2","1") = "6"
    & skf18("5","3","7","3","7","3","1") = "6"
    & skf18("5","3","7","3","7","4","1") = "6"
    & skf18("5","3","7","3","7","5","1") = "6"
    & skf18("5","3","7","3","7","6","1") = "6"
    & skf18("5","3","7","3","7","7","1") = "6"
    & skf18("5","3","7","3","7","8","1") = "7"
    & skf18("5","3","7","3","7","9","1") = "8"
    & skf18("5","3","7","3","7","10","1") = "9"
    & skf18("5","3","7","3","8","1","1") = "7"
    & skf18("5","3","7","3","8","2","1") = "7"
    & skf18("5","3","7","3","8","3","1") = "7"
    & skf18("5","3","7","3","8","4","1") = "7"
    & skf18("5","3","7","3","8","5","1") = "7"
    & skf18("5","3","7","3","8","6","1") = "7"
    & skf18("5","3","7","3","8","7","1") = "7"
    & skf18("5","3","7","3","8","8","1") = "7"
    & skf18("5","3","7","3","8","9","1") = "8"
    & skf18("5","3","7","3","8","10","1") = "9"
    & skf18("5","3","7","3","9","1","1") = "8"
    & skf18("5","3","7","3","9","2","1") = "8"
    & skf18("5","3","7","3","9","3","1") = "8"
    & skf18("5","3","7","3","9","4","1") = "8"
    & skf18("5","3","7","3","9","5","1") = "8"
    & skf18("5","3","7","3","9","6","1") = "8"
    & skf18("5","3","7","3","9","7","1") = "8"
    & skf18("5","3","7","3","9","8","1") = "8"
    & skf18("5","3","7","3","9","9","1") = "8"
    & skf18("5","3","7","3","9","10","1") = "9"
    & skf18("5","3","7","3","10","1","1") = "9"
    & skf18("5","3","7","3","10","2","1") = "9"
    & skf18("5","3","7","3","10","3","1") = "9"
    & skf18("5","3","7","3","10","4","1") = "9"
    & skf18("5","3","7","3","10","5","1") = "9"
    & skf18("5","3","7","3","10","6","1") = "9"
    & skf18("5","3","7","3","10","7","1") = "9"
    & skf18("5","3","7","3","10","8","1") = "9"
    & skf18("5","3","7","3","10","9","1") = "9"
    & skf18("5","3","7","3","10","10","1") = "9"
    & skf18("5","3","7","4","1","1","1") = "6"
    & skf18("5","3","7","4","1","2","1") = "6"
    & skf18("5","3","7","4","1","3","1") = "6"
    & skf18("5","3","7","4","1","4","1") = "6"
    & skf18("5","3","7","4","1","5","1") = "6"
    & skf18("5","3","7","4","1","6","1") = "6"
    & skf18("5","3","7","4","1","7","1") = "6"
    & skf18("5","3","7","4","1","8","1") = "7"
    & skf18("5","3","7","4","1","9","1") = "8"
    & skf18("5","3","7","4","1","10","1") = "9"
    & skf18("5","3","7","4","2","1","1") = "6"
    & skf18("5","3","7","4","2","2","1") = "6"
    & skf18("5","3","7","4","2","3","1") = "6"
    & skf18("5","3","7","4","2","4","1") = "6"
    & skf18("5","3","7","4","2","5","1") = "6"
    & skf18("5","3","7","4","2","6","1") = "6"
    & skf18("5","3","7","4","2","7","1") = "6"
    & skf18("5","3","7","4","2","8","1") = "7"
    & skf18("5","3","7","4","2","9","1") = "8"
    & skf18("5","3","7","4","2","10","1") = "9"
    & skf18("5","3","7","4","3","1","1") = "6"
    & skf18("5","3","7","4","3","2","1") = "6"
    & skf18("5","3","7","4","3","3","1") = "6"
    & skf18("5","3","7","4","3","4","1") = "6"
    & skf18("5","3","7","4","3","5","1") = "6"
    & skf18("5","3","7","4","3","6","1") = "6"
    & skf18("5","3","7","4","3","7","1") = "6"
    & skf18("5","3","7","4","3","8","1") = "7"
    & skf18("5","3","7","4","3","9","1") = "8"
    & skf18("5","3","7","4","3","10","1") = "9"
    & skf18("5","3","7","4","4","1","1") = "6"
    & skf18("5","3","7","4","4","2","1") = "6"
    & skf18("5","3","7","4","4","3","1") = "6"
    & skf18("5","3","7","4","4","4","1") = "6"
    & skf18("5","3","7","4","4","5","1") = "6"
    & skf18("5","3","7","4","4","6","1") = "6"
    & skf18("5","3","7","4","4","7","1") = "6"
    & skf18("5","3","7","4","4","8","1") = "7"
    & skf18("5","3","7","4","4","9","1") = "8"
    & skf18("5","3","7","4","4","10","1") = "9"
    & skf18("5","3","7","4","5","1","1") = "6"
    & skf18("5","3","7","4","5","2","1") = "6"
    & skf18("5","3","7","4","5","3","1") = "6"
    & skf18("5","3","7","4","5","4","1") = "6"
    & skf18("5","3","7","4","5","5","1") = "6"
    & skf18("5","3","7","4","5","6","1") = "6"
    & skf18("5","3","7","4","5","7","1") = "6"
    & skf18("5","3","7","4","5","8","1") = "7"
    & skf18("5","3","7","4","5","9","1") = "8"
    & skf18("5","3","7","4","5","10","1") = "9"
    & skf18("5","3","7","4","6","1","1") = "6"
    & skf18("5","3","7","4","6","2","1") = "6"
    & skf18("5","3","7","4","6","3","1") = "6"
    & skf18("5","3","7","4","6","4","1") = "6"
    & skf18("5","3","7","4","6","5","1") = "6"
    & skf18("5","3","7","4","6","6","1") = "6"
    & skf18("5","3","7","4","6","7","1") = "6"
    & skf18("5","3","7","4","6","8","1") = "7"
    & skf18("5","3","7","4","6","9","1") = "8"
    & skf18("5","3","7","4","6","10","1") = "9"
    & skf18("5","3","7","4","7","1","1") = "6"
    & skf18("5","3","7","4","7","2","1") = "6"
    & skf18("5","3","7","4","7","3","1") = "6"
    & skf18("5","3","7","4","7","4","1") = "6"
    & skf18("5","3","7","4","7","5","1") = "6"
    & skf18("5","3","7","4","7","6","1") = "6"
    & skf18("5","3","7","4","7","7","1") = "6"
    & skf18("5","3","7","4","7","8","1") = "7"
    & skf18("5","3","7","4","7","9","1") = "8"
    & skf18("5","3","7","4","7","10","1") = "9"
    & skf18("5","3","7","4","8","1","1") = "7"
    & skf18("5","3","7","4","8","2","1") = "7"
    & skf18("5","3","7","4","8","3","1") = "7"
    & skf18("5","3","7","4","8","4","1") = "7"
    & skf18("5","3","7","4","8","5","1") = "7"
    & skf18("5","3","7","4","8","6","1") = "7"
    & skf18("5","3","7","4","8","7","1") = "7"
    & skf18("5","3","7","4","8","8","1") = "7"
    & skf18("5","3","7","4","8","9","1") = "8"
    & skf18("5","3","7","4","8","10","1") = "9"
    & skf18("5","3","7","4","9","1","1") = "8"
    & skf18("5","3","7","4","9","2","1") = "8"
    & skf18("5","3","7","4","9","3","1") = "8"
    & skf18("5","3","7","4","9","4","1") = "8"
    & skf18("5","3","7","4","9","5","1") = "8"
    & skf18("5","3","7","4","9","6","1") = "8"
    & skf18("5","3","7","4","9","7","1") = "8"
    & skf18("5","3","7","4","9","8","1") = "8"
    & skf18("5","3","7","4","9","9","1") = "8"
    & skf18("5","3","7","4","9","10","1") = "9"
    & skf18("5","3","7","4","10","1","1") = "9"
    & skf18("5","3","7","4","10","2","1") = "9"
    & skf18("5","3","7","4","10","3","1") = "9"
    & skf18("5","3","7","4","10","4","1") = "9"
    & skf18("5","3","7","4","10","5","1") = "9"
    & skf18("5","3","7","4","10","6","1") = "9"
    & skf18("5","3","7","4","10","7","1") = "9"
    & skf18("5","3","7","4","10","8","1") = "9"
    & skf18("5","3","7","4","10","9","1") = "9"
    & skf18("5","3","7","4","10","10","1") = "9"
    & skf18("5","3","7","5","1","1","1") = "6"
    & skf18("5","3","7","5","1","2","1") = "6"
    & skf18("5","3","7","5","1","3","1") = "6"
    & skf18("5","3","7","5","1","4","1") = "6"
    & skf18("5","3","7","5","1","5","1") = "6"
    & skf18("5","3","7","5","1","6","1") = "6"
    & skf18("5","3","7","5","1","7","1") = "6"
    & skf18("5","3","7","5","1","8","1") = "7"
    & skf18("5","3","7","5","1","9","1") = "8"
    & skf18("5","3","7","5","1","10","1") = "9"
    & skf18("5","3","7","5","2","1","1") = "6"
    & skf18("5","3","7","5","2","2","1") = "6"
    & skf18("5","3","7","5","2","3","1") = "6"
    & skf18("5","3","7","5","2","4","1") = "6"
    & skf18("5","3","7","5","2","5","1") = "6"
    & skf18("5","3","7","5","2","6","1") = "6"
    & skf18("5","3","7","5","2","7","1") = "6"
    & skf18("5","3","7","5","2","8","1") = "7"
    & skf18("5","3","7","5","2","9","1") = "8"
    & skf18("5","3","7","5","2","10","1") = "9"
    & skf18("5","3","7","5","3","1","1") = "6"
    & skf18("5","3","7","5","3","2","1") = "6"
    & skf18("5","3","7","5","3","3","1") = "6"
    & skf18("5","3","7","5","3","4","1") = "6"
    & skf18("5","3","7","5","3","5","1") = "6"
    & skf18("5","3","7","5","3","6","1") = "6"
    & skf18("5","3","7","5","3","7","1") = "6"
    & skf18("5","3","7","5","3","8","1") = "7"
    & skf18("5","3","7","5","3","9","1") = "8"
    & skf18("5","3","7","5","3","10","1") = "9"
    & skf18("5","3","7","5","4","1","1") = "6"
    & skf18("5","3","7","5","4","2","1") = "6"
    & skf18("5","3","7","5","4","3","1") = "6"
    & skf18("5","3","7","5","4","4","1") = "6"
    & skf18("5","3","7","5","4","5","1") = "6"
    & skf18("5","3","7","5","4","6","1") = "6"
    & skf18("5","3","7","5","4","7","1") = "6"
    & skf18("5","3","7","5","4","8","1") = "7"
    & skf18("5","3","7","5","4","9","1") = "8"
    & skf18("5","3","7","5","4","10","1") = "9"
    & skf18("5","3","7","5","5","1","1") = "6"
    & skf18("5","3","7","5","5","2","1") = "6"
    & skf18("5","3","7","5","5","3","1") = "6"
    & skf18("5","3","7","5","5","4","1") = "6"
    & skf18("5","3","7","5","5","5","1") = "6"
    & skf18("5","3","7","5","5","6","1") = "6"
    & skf18("5","3","7","5","5","7","1") = "6"
    & skf18("5","3","7","5","5","8","1") = "7"
    & skf18("5","3","7","5","5","9","1") = "8"
    & skf18("5","3","7","5","5","10","1") = "9"
    & skf18("5","3","7","5","6","1","1") = "6"
    & skf18("5","3","7","5","6","2","1") = "6"
    & skf18("5","3","7","5","6","3","1") = "6"
    & skf18("5","3","7","5","6","4","1") = "6"
    & skf18("5","3","7","5","6","5","1") = "6"
    & skf18("5","3","7","5","6","6","1") = "6"
    & skf18("5","3","7","5","6","7","1") = "6"
    & skf18("5","3","7","5","6","8","1") = "7"
    & skf18("5","3","7","5","6","9","1") = "8"
    & skf18("5","3","7","5","6","10","1") = "9"
    & skf18("5","3","7","5","7","1","1") = "6"
    & skf18("5","3","7","5","7","2","1") = "6"
    & skf18("5","3","7","5","7","3","1") = "6"
    & skf18("5","3","7","5","7","4","1") = "6"
    & skf18("5","3","7","5","7","5","1") = "6"
    & skf18("5","3","7","5","7","6","1") = "6"
    & skf18("5","3","7","5","7","7","1") = "6"
    & skf18("5","3","7","5","7","8","1") = "7"
    & skf18("5","3","7","5","7","9","1") = "8"
    & skf18("5","3","7","5","7","10","1") = "9"
    & skf18("5","3","7","5","8","1","1") = "7"
    & skf18("5","3","7","5","8","2","1") = "7"
    & skf18("5","3","7","5","8","3","1") = "7"
    & skf18("5","3","7","5","8","4","1") = "7"
    & skf18("5","3","7","5","8","5","1") = "7"
    & skf18("5","3","7","5","8","6","1") = "7"
    & skf18("5","3","7","5","8","7","1") = "7"
    & skf18("5","3","7","5","8","8","1") = "7"
    & skf18("5","3","7","5","8","9","1") = "8"
    & skf18("5","3","7","5","8","10","1") = "9"
    & skf18("5","3","7","5","9","1","1") = "8"
    & skf18("5","3","7","5","9","2","1") = "8"
    & skf18("5","3","7","5","9","3","1") = "8"
    & skf18("5","3","7","5","9","4","1") = "8"
    & skf18("5","3","7","5","9","5","1") = "8"
    & skf18("5","3","7","5","9","6","1") = "8"
    & skf18("5","3","7","5","9","7","1") = "8"
    & skf18("5","3","7","5","9","8","1") = "8"
    & skf18("5","3","7","5","9","9","1") = "8"
    & skf18("5","3","7","5","9","10","1") = "9"
    & skf18("5","3","7","5","10","1","1") = "9"
    & skf18("5","3","7","5","10","2","1") = "9"
    & skf18("5","3","7","5","10","3","1") = "9"
    & skf18("5","3","7","5","10","4","1") = "9"
    & skf18("5","3","7","5","10","5","1") = "9"
    & skf18("5","3","7","5","10","6","1") = "9"
    & skf18("5","3","7","5","10","7","1") = "9"
    & skf18("5","3","7","5","10","8","1") = "9"
    & skf18("5","3","7","5","10","9","1") = "9"
    & skf18("5","3","7","5","10","10","1") = "9"
    & skf18("5","3","7","6","1","1","1") = "6"
    & skf18("5","3","7","6","1","2","1") = "6"
    & skf18("5","3","7","6","1","3","1") = "6"
    & skf18("5","3","7","6","1","4","1") = "6"
    & skf18("5","3","7","6","1","5","1") = "6"
    & skf18("5","3","7","6","1","6","1") = "6"
    & skf18("5","3","7","6","1","7","1") = "6"
    & skf18("5","3","7","6","1","8","1") = "7"
    & skf18("5","3","7","6","1","9","1") = "8"
    & skf18("5","3","7","6","1","10","1") = "9"
    & skf18("5","3","7","6","2","1","1") = "6"
    & skf18("5","3","7","6","2","2","1") = "6"
    & skf18("5","3","7","6","2","3","1") = "6"
    & skf18("5","3","7","6","2","4","1") = "6"
    & skf18("5","3","7","6","2","5","1") = "6"
    & skf18("5","3","7","6","2","6","1") = "6"
    & skf18("5","3","7","6","2","7","1") = "6"
    & skf18("5","3","7","6","2","8","1") = "7"
    & skf18("5","3","7","6","2","9","1") = "8"
    & skf18("5","3","7","6","2","10","1") = "9"
    & skf18("5","3","7","6","3","1","1") = "6"
    & skf18("5","3","7","6","3","2","1") = "6"
    & skf18("5","3","7","6","3","3","1") = "6"
    & skf18("5","3","7","6","3","4","1") = "6"
    & skf18("5","3","7","6","3","5","1") = "6"
    & skf18("5","3","7","6","3","6","1") = "6"
    & skf18("5","3","7","6","3","7","1") = "6"
    & skf18("5","3","7","6","3","8","1") = "7"
    & skf18("5","3","7","6","3","9","1") = "8"
    & skf18("5","3","7","6","3","10","1") = "9"
    & skf18("5","3","7","6","4","1","1") = "6"
    & skf18("5","3","7","6","4","2","1") = "6"
    & skf18("5","3","7","6","4","3","1") = "6"
    & skf18("5","3","7","6","4","4","1") = "6"
    & skf18("5","3","7","6","4","5","1") = "6"
    & skf18("5","3","7","6","4","6","1") = "6"
    & skf18("5","3","7","6","4","7","1") = "6"
    & skf18("5","3","7","6","4","8","1") = "7"
    & skf18("5","3","7","6","4","9","1") = "8"
    & skf18("5","3","7","6","4","10","1") = "9"
    & skf18("5","3","7","6","5","1","1") = "6"
    & skf18("5","3","7","6","5","2","1") = "6"
    & skf18("5","3","7","6","5","3","1") = "6"
    & skf18("5","3","7","6","5","4","1") = "6"
    & skf18("5","3","7","6","5","5","1") = "6"
    & skf18("5","3","7","6","5","6","1") = "6"
    & skf18("5","3","7","6","5","7","1") = "6"
    & skf18("5","3","7","6","5","8","1") = "7"
    & skf18("5","3","7","6","5","9","1") = "8"
    & skf18("5","3","7","6","5","10","1") = "9"
    & skf18("5","3","7","6","6","1","1") = "6"
    & skf18("5","3","7","6","6","2","1") = "6"
    & skf18("5","3","7","6","6","3","1") = "6"
    & skf18("5","3","7","6","6","4","1") = "6"
    & skf18("5","3","7","6","6","5","1") = "6"
    & skf18("5","3","7","6","6","6","1") = "6"
    & skf18("5","3","7","6","6","7","1") = "6"
    & skf18("5","3","7","6","6","8","1") = "7"
    & skf18("5","3","7","6","6","9","1") = "8"
    & skf18("5","3","7","6","6","10","1") = "9"
    & skf18("5","3","7","6","7","1","1") = "6"
    & skf18("5","3","7","6","7","2","1") = "6"
    & skf18("5","3","7","6","7","3","1") = "6"
    & skf18("5","3","7","6","7","4","1") = "6"
    & skf18("5","3","7","6","7","5","1") = "6"
    & skf18("5","3","7","6","7","6","1") = "6"
    & skf18("5","3","7","6","7","7","1") = "6"
    & skf18("5","3","7","6","7","8","1") = "7"
    & skf18("5","3","7","6","7","9","1") = "8"
    & skf18("5","3","7","6","7","10","1") = "9"
    & skf18("5","3","7","6","8","1","1") = "7"
    & skf18("5","3","7","6","8","2","1") = "7"
    & skf18("5","3","7","6","8","3","1") = "7"
    & skf18("5","3","7","6","8","4","1") = "7"
    & skf18("5","3","7","6","8","5","1") = "7"
    & skf18("5","3","7","6","8","6","1") = "7"
    & skf18("5","3","7","6","8","7","1") = "7"
    & skf18("5","3","7","6","8","8","1") = "7"
    & skf18("5","3","7","6","8","9","1") = "8"
    & skf18("5","3","7","6","8","10","1") = "9"
    & skf18("5","3","7","6","9","1","1") = "8"
    & skf18("5","3","7","6","9","2","1") = "8"
    & skf18("5","3","7","6","9","3","1") = "8"
    & skf18("5","3","7","6","9","4","1") = "8"
    & skf18("5","3","7","6","9","5","1") = "8"
    & skf18("5","3","7","6","9","6","1") = "8"
    & skf18("5","3","7","6","9","7","1") = "8"
    & skf18("5","3","7","6","9","8","1") = "8"
    & skf18("5","3","7","6","9","9","1") = "8"
    & skf18("5","3","7","6","9","10","1") = "9"
    & skf18("5","3","7","6","10","1","1") = "9"
    & skf18("5","3","7","6","10","2","1") = "9"
    & skf18("5","3","7","6","10","3","1") = "9"
    & skf18("5","3","7","6","10","4","1") = "9"
    & skf18("5","3","7","6","10","5","1") = "9"
    & skf18("5","3","7","6","10","6","1") = "9"
    & skf18("5","3","7","6","10","7","1") = "9"
    & skf18("5","3","7","6","10","8","1") = "9"
    & skf18("5","3","7","6","10","9","1") = "9"
    & skf18("5","3","7","6","10","10","1") = "9"
    & skf18("5","3","7","7","1","1","1") = "6"
    & skf18("5","3","7","7","1","2","1") = "6"
    & skf18("5","3","7","7","1","3","1") = "6"
    & skf18("5","3","7","7","1","4","1") = "6"
    & skf18("5","3","7","7","1","5","1") = "6"
    & skf18("5","3","7","7","1","6","1") = "6"
    & skf18("5","3","7","7","1","7","1") = "6"
    & skf18("5","3","7","7","1","8","1") = "7"
    & skf18("5","3","7","7","1","9","1") = "8"
    & skf18("5","3","7","7","1","10","1") = "9"
    & skf18("5","3","7","7","2","1","1") = "6"
    & skf18("5","3","7","7","2","2","1") = "6"
    & skf18("5","3","7","7","2","3","1") = "6"
    & skf18("5","3","7","7","2","4","1") = "6"
    & skf18("5","3","7","7","2","5","1") = "6"
    & skf18("5","3","7","7","2","6","1") = "6"
    & skf18("5","3","7","7","2","7","1") = "6"
    & skf18("5","3","7","7","2","8","1") = "7"
    & skf18("5","3","7","7","2","9","1") = "8"
    & skf18("5","3","7","7","2","10","1") = "9"
    & skf18("5","3","7","7","3","1","1") = "6"
    & skf18("5","3","7","7","3","2","1") = "6"
    & skf18("5","3","7","7","3","3","1") = "6"
    & skf18("5","3","7","7","3","4","1") = "6"
    & skf18("5","3","7","7","3","5","1") = "6"
    & skf18("5","3","7","7","3","6","1") = "6"
    & skf18("5","3","7","7","3","7","1") = "6"
    & skf18("5","3","7","7","3","8","1") = "7"
    & skf18("5","3","7","7","3","9","1") = "8"
    & skf18("5","3","7","7","3","10","1") = "9"
    & skf18("5","3","7","7","4","1","1") = "6"
    & skf18("5","3","7","7","4","2","1") = "6"
    & skf18("5","3","7","7","4","3","1") = "6"
    & skf18("5","3","7","7","4","4","1") = "6"
    & skf18("5","3","7","7","4","5","1") = "6"
    & skf18("5","3","7","7","4","6","1") = "6"
    & skf18("5","3","7","7","4","7","1") = "6"
    & skf18("5","3","7","7","4","8","1") = "7"
    & skf18("5","3","7","7","4","9","1") = "8"
    & skf18("5","3","7","7","4","10","1") = "9"
    & skf18("5","3","7","7","5","1","1") = "6"
    & skf18("5","3","7","7","5","2","1") = "6"
    & skf18("5","3","7","7","5","3","1") = "6"
    & skf18("5","3","7","7","5","4","1") = "6"
    & skf18("5","3","7","7","5","5","1") = "6"
    & skf18("5","3","7","7","5","6","1") = "6"
    & skf18("5","3","7","7","5","7","1") = "6"
    & skf18("5","3","7","7","5","8","1") = "7"
    & skf18("5","3","7","7","5","9","1") = "8"
    & skf18("5","3","7","7","5","10","1") = "9"
    & skf18("5","3","7","7","6","1","1") = "6"
    & skf18("5","3","7","7","6","2","1") = "6"
    & skf18("5","3","7","7","6","3","1") = "6"
    & skf18("5","3","7","7","6","4","1") = "6"
    & skf18("5","3","7","7","6","5","1") = "6"
    & skf18("5","3","7","7","6","6","1") = "6"
    & skf18("5","3","7","7","6","7","1") = "6"
    & skf18("5","3","7","7","6","8","1") = "7"
    & skf18("5","3","7","7","6","9","1") = "8"
    & skf18("5","3","7","7","6","10","1") = "9"
    & skf18("5","3","7","7","7","1","1") = "6"
    & skf18("5","3","7","7","7","2","1") = "6"
    & skf18("5","3","7","7","7","3","1") = "6"
    & skf18("5","3","7","7","7","4","1") = "6"
    & skf18("5","3","7","7","7","5","1") = "6"
    & skf18("5","3","7","7","7","6","1") = "6"
    & skf18("5","3","7","7","7","7","1") = "6"
    & skf18("5","3","7","7","7","8","1") = "7"
    & skf18("5","3","7","7","7","9","1") = "8"
    & skf18("5","3","7","7","7","10","1") = "9"
    & skf18("5","3","7","7","8","1","1") = "7"
    & skf18("5","3","7","7","8","2","1") = "7"
    & skf18("5","3","7","7","8","3","1") = "7"
    & skf18("5","3","7","7","8","4","1") = "7"
    & skf18("5","3","7","7","8","5","1") = "7"
    & skf18("5","3","7","7","8","6","1") = "7"
    & skf18("5","3","7","7","8","7","1") = "7"
    & skf18("5","3","7","7","8","8","1") = "7"
    & skf18("5","3","7","7","8","9","1") = "8"
    & skf18("5","3","7","7","8","10","1") = "9"
    & skf18("5","3","7","7","9","1","1") = "8"
    & skf18("5","3","7","7","9","2","1") = "8"
    & skf18("5","3","7","7","9","3","1") = "8"
    & skf18("5","3","7","7","9","4","1") = "8"
    & skf18("5","3","7","7","9","5","1") = "8"
    & skf18("5","3","7","7","9","6","1") = "8"
    & skf18("5","3","7","7","9","7","1") = "8"
    & skf18("5","3","7","7","9","8","1") = "8"
    & skf18("5","3","7","7","9","9","1") = "8"
    & skf18("5","3","7","7","9","10","1") = "9"
    & skf18("5","3","7","7","10","1","1") = "9"
    & skf18("5","3","7","7","10","2","1") = "9"
    & skf18("5","3","7","7","10","3","1") = "9"
    & skf18("5","3","7","7","10","4","1") = "9"
    & skf18("5","3","7","7","10","5","1") = "9"
    & skf18("5","3","7","7","10","6","1") = "9"
    & skf18("5","3","7","7","10","7","1") = "9"
    & skf18("5","3","7","7","10","8","1") = "9"
    & skf18("5","3","7","7","10","9","1") = "9"
    & skf18("5","3","7","7","10","10","1") = "9"
    & skf18("5","3","7","8","1","1","1") = "7"
    & skf18("5","3","7","8","1","2","1") = "7"
    & skf18("5","3","7","8","1","3","1") = "7"
    & skf18("5","3","7","8","1","4","1") = "7"
    & skf18("5","3","7","8","1","5","1") = "7"
    & skf18("5","3","7","8","1","6","1") = "7"
    & skf18("5","3","7","8","1","7","1") = "7"
    & skf18("5","3","7","8","1","8","1") = "7"
    & skf18("5","3","7","8","1","9","1") = "8"
    & skf18("5","3","7","8","1","10","1") = "9"
    & skf18("5","3","7","8","2","1","1") = "7"
    & skf18("5","3","7","8","2","2","1") = "7"
    & skf18("5","3","7","8","2","3","1") = "7"
    & skf18("5","3","7","8","2","4","1") = "7"
    & skf18("5","3","7","8","2","5","1") = "7"
    & skf18("5","3","7","8","2","6","1") = "7"
    & skf18("5","3","7","8","2","7","1") = "7"
    & skf18("5","3","7","8","2","8","1") = "7"
    & skf18("5","3","7","8","2","9","1") = "8"
    & skf18("5","3","7","8","2","10","1") = "9"
    & skf18("5","3","7","8","3","1","1") = "7"
    & skf18("5","3","7","8","3","2","1") = "7"
    & skf18("5","3","7","8","3","3","1") = "7"
    & skf18("5","3","7","8","3","4","1") = "7"
    & skf18("5","3","7","8","3","5","1") = "7"
    & skf18("5","3","7","8","3","6","1") = "7"
    & skf18("5","3","7","8","3","7","1") = "7"
    & skf18("5","3","7","8","3","8","1") = "7"
    & skf18("5","3","7","8","3","9","1") = "8"
    & skf18("5","3","7","8","3","10","1") = "9"
    & skf18("5","3","7","8","4","1","1") = "7"
    & skf18("5","3","7","8","4","2","1") = "7"
    & skf18("5","3","7","8","4","3","1") = "7"
    & skf18("5","3","7","8","4","4","1") = "7"
    & skf18("5","3","7","8","4","5","1") = "7"
    & skf18("5","3","7","8","4","6","1") = "7"
    & skf18("5","3","7","8","4","7","1") = "7"
    & skf18("5","3","7","8","4","8","1") = "7"
    & skf18("5","3","7","8","4","9","1") = "8"
    & skf18("5","3","7","8","4","10","1") = "9"
    & skf18("5","3","7","8","5","1","1") = "7"
    & skf18("5","3","7","8","5","2","1") = "7"
    & skf18("5","3","7","8","5","3","1") = "7"
    & skf18("5","3","7","8","5","4","1") = "7"
    & skf18("5","3","7","8","5","5","1") = "7"
    & skf18("5","3","7","8","5","6","1") = "7"
    & skf18("5","3","7","8","5","7","1") = "7"
    & skf18("5","3","7","8","5","8","1") = "7"
    & skf18("5","3","7","8","5","9","1") = "8"
    & skf18("5","3","7","8","5","10","1") = "9"
    & skf18("5","3","7","8","6","1","1") = "7"
    & skf18("5","3","7","8","6","2","1") = "7"
    & skf18("5","3","7","8","6","3","1") = "7"
    & skf18("5","3","7","8","6","4","1") = "7"
    & skf18("5","3","7","8","6","5","1") = "7"
    & skf18("5","3","7","8","6","6","1") = "7"
    & skf18("5","3","7","8","6","7","1") = "7"
    & skf18("5","3","7","8","6","8","1") = "7"
    & skf18("5","3","7","8","6","9","1") = "8"
    & skf18("5","3","7","8","6","10","1") = "9"
    & skf18("5","3","7","8","7","1","1") = "7"
    & skf18("5","3","7","8","7","2","1") = "7"
    & skf18("5","3","7","8","7","3","1") = "7"
    & skf18("5","3","7","8","7","4","1") = "7"
    & skf18("5","3","7","8","7","5","1") = "7"
    & skf18("5","3","7","8","7","6","1") = "7"
    & skf18("5","3","7","8","7","7","1") = "7"
    & skf18("5","3","7","8","7","8","1") = "7"
    & skf18("5","3","7","8","7","9","1") = "8"
    & skf18("5","3","7","8","7","10","1") = "9"
    & skf18("5","3","7","8","8","1","1") = "7"
    & skf18("5","3","7","8","8","2","1") = "7"
    & skf18("5","3","7","8","8","3","1") = "7"
    & skf18("5","3","7","8","8","4","1") = "7"
    & skf18("5","3","7","8","8","5","1") = "7"
    & skf18("5","3","7","8","8","6","1") = "7"
    & skf18("5","3","7","8","8","7","1") = "7"
    & skf18("5","3","7","8","8","8","1") = "7"
    & skf18("5","3","7","8","8","9","1") = "8"
    & skf18("5","3","7","8","8","10","1") = "9"
    & skf18("5","3","7","8","9","1","1") = "8"
    & skf18("5","3","7","8","9","2","1") = "8"
    & skf18("5","3","7","8","9","3","1") = "8"
    & skf18("5","3","7","8","9","4","1") = "8"
    & skf18("5","3","7","8","9","5","1") = "8"
    & skf18("5","3","7","8","9","6","1") = "8"
    & skf18("5","3","7","8","9","7","1") = "8"
    & skf18("5","3","7","8","9","8","1") = "8"
    & skf18("5","3","7","8","9","9","1") = "8"
    & skf18("5","3","7","8","9","10","1") = "9"
    & skf18("5","3","7","8","10","1","1") = "9"
    & skf18("5","3","7","8","10","2","1") = "9"
    & skf18("5","3","7","8","10","3","1") = "9"
    & skf18("5","3","7","8","10","4","1") = "9"
    & skf18("5","3","7","8","10","5","1") = "9"
    & skf18("5","3","7","8","10","6","1") = "9"
    & skf18("5","3","7","8","10","7","1") = "9"
    & skf18("5","3","7","8","10","8","1") = "9"
    & skf18("5","3","7","8","10","9","1") = "9"
    & skf18("5","3","7","8","10","10","1") = "9"
    & skf18("5","3","7","9","1","1","1") = "8"
    & skf18("5","3","7","9","1","2","1") = "8"
    & skf18("5","3","7","9","1","3","1") = "8"
    & skf18("5","3","7","9","1","4","1") = "8"
    & skf18("5","3","7","9","1","5","1") = "8"
    & skf18("5","3","7","9","1","6","1") = "8"
    & skf18("5","3","7","9","1","7","1") = "8"
    & skf18("5","3","7","9","1","8","1") = "8"
    & skf18("5","3","7","9","1","9","1") = "8"
    & skf18("5","3","7","9","1","10","1") = "9"
    & skf18("5","3","7","9","2","1","1") = "8"
    & skf18("5","3","7","9","2","2","1") = "8"
    & skf18("5","3","7","9","2","3","1") = "8"
    & skf18("5","3","7","9","2","4","1") = "8"
    & skf18("5","3","7","9","2","5","1") = "8"
    & skf18("5","3","7","9","2","6","1") = "8"
    & skf18("5","3","7","9","2","7","1") = "8"
    & skf18("5","3","7","9","2","8","1") = "8"
    & skf18("5","3","7","9","2","9","1") = "8"
    & skf18("5","3","7","9","2","10","1") = "9"
    & skf18("5","3","7","9","3","1","1") = "8"
    & skf18("5","3","7","9","3","2","1") = "8"
    & skf18("5","3","7","9","3","3","1") = "8"
    & skf18("5","3","7","9","3","4","1") = "8"
    & skf18("5","3","7","9","3","5","1") = "8"
    & skf18("5","3","7","9","3","6","1") = "8"
    & skf18("5","3","7","9","3","7","1") = "8"
    & skf18("5","3","7","9","3","8","1") = "8"
    & skf18("5","3","7","9","3","9","1") = "8"
    & skf18("5","3","7","9","3","10","1") = "9"
    & skf18("5","3","7","9","4","1","1") = "8"
    & skf18("5","3","7","9","4","2","1") = "8"
    & skf18("5","3","7","9","4","3","1") = "8"
    & skf18("5","3","7","9","4","4","1") = "8"
    & skf18("5","3","7","9","4","5","1") = "8"
    & skf18("5","3","7","9","4","6","1") = "8"
    & skf18("5","3","7","9","4","7","1") = "8"
    & skf18("5","3","7","9","4","8","1") = "8"
    & skf18("5","3","7","9","4","9","1") = "8"
    & skf18("5","3","7","9","4","10","1") = "9"
    & skf18("5","3","7","9","5","1","1") = "8"
    & skf18("5","3","7","9","5","2","1") = "8"
    & skf18("5","3","7","9","5","3","1") = "8"
    & skf18("5","3","7","9","5","4","1") = "8"
    & skf18("5","3","7","9","5","5","1") = "8"
    & skf18("5","3","7","9","5","6","1") = "8"
    & skf18("5","3","7","9","5","7","1") = "8"
    & skf18("5","3","7","9","5","8","1") = "8"
    & skf18("5","3","7","9","5","9","1") = "8"
    & skf18("5","3","7","9","5","10","1") = "9"
    & skf18("5","3","7","9","6","1","1") = "8"
    & skf18("5","3","7","9","6","2","1") = "8"
    & skf18("5","3","7","9","6","3","1") = "8"
    & skf18("5","3","7","9","6","4","1") = "8"
    & skf18("5","3","7","9","6","5","1") = "8"
    & skf18("5","3","7","9","6","6","1") = "8"
    & skf18("5","3","7","9","6","7","1") = "8"
    & skf18("5","3","7","9","6","8","1") = "8"
    & skf18("5","3","7","9","6","9","1") = "8"
    & skf18("5","3","7","9","6","10","1") = "9"
    & skf18("5","3","7","9","7","1","1") = "8"
    & skf18("5","3","7","9","7","2","1") = "8"
    & skf18("5","3","7","9","7","3","1") = "8"
    & skf18("5","3","7","9","7","4","1") = "8"
    & skf18("5","3","7","9","7","5","1") = "8"
    & skf18("5","3","7","9","7","6","1") = "8"
    & skf18("5","3","7","9","7","7","1") = "8"
    & skf18("5","3","7","9","7","8","1") = "8"
    & skf18("5","3","7","9","7","9","1") = "8"
    & skf18("5","3","7","9","7","10","1") = "9"
    & skf18("5","3","7","9","8","1","1") = "8"
    & skf18("5","3","7","9","8","2","1") = "8"
    & skf18("5","3","7","9","8","3","1") = "8"
    & skf18("5","3","7","9","8","4","1") = "8"
    & skf18("5","3","7","9","8","5","1") = "8"
    & skf18("5","3","7","9","8","6","1") = "8"
    & skf18("5","3","7","9","8","7","1") = "8"
    & skf18("5","3","7","9","8","8","1") = "8"
    & skf18("5","3","7","9","8","9","1") = "8"
    & skf18("5","3","7","9","8","10","1") = "9"
    & skf18("5","3","7","9","9","1","1") = "8"
    & skf18("5","3","7","9","9","2","1") = "8"
    & skf18("5","3","7","9","9","3","1") = "8"
    & skf18("5","3","7","9","9","4","1") = "8"
    & skf18("5","3","7","9","9","5","1") = "8"
    & skf18("5","3","7","9","9","6","1") = "8"
    & skf18("5","3","7","9","9","7","1") = "8"
    & skf18("5","3","7","9","9","8","1") = "8"
    & skf18("5","3","7","9","9","9","1") = "8"
    & skf18("5","3","7","9","9","10","1") = "9"
    & skf18("5","3","7","9","10","1","1") = "9"
    & skf18("5","3","7","9","10","2","1") = "9"
    & skf18("5","3","7","9","10","3","1") = "9"
    & skf18("5","3","7","9","10","4","1") = "9"
    & skf18("5","3","7","9","10","5","1") = "9"
    & skf18("5","3","7","9","10","6","1") = "9"
    & skf18("5","3","7","9","10","7","1") = "9"
    & skf18("5","3","7","9","10","8","1") = "9"
    & skf18("5","3","7","9","10","9","1") = "9"
    & skf18("5","3","7","9","10","10","1") = "9"
    & skf18("5","3","7","10","1","1","1") = "9"
    & skf18("5","3","7","10","1","2","1") = "9"
    & skf18("5","3","7","10","1","3","1") = "9"
    & skf18("5","3","7","10","1","4","1") = "9"
    & skf18("5","3","7","10","1","5","1") = "9"
    & skf18("5","3","7","10","1","6","1") = "9"
    & skf18("5","3","7","10","1","7","1") = "9"
    & skf18("5","3","7","10","1","8","1") = "9"
    & skf18("5","3","7","10","1","9","1") = "9"
    & skf18("5","3","7","10","1","10","1") = "9"
    & skf18("5","3","7","10","2","1","1") = "9"
    & skf18("5","3","7","10","2","2","1") = "9"
    & skf18("5","3","7","10","2","3","1") = "9"
    & skf18("5","3","7","10","2","4","1") = "9"
    & skf18("5","3","7","10","2","5","1") = "9"
    & skf18("5","3","7","10","2","6","1") = "9"
    & skf18("5","3","7","10","2","7","1") = "9"
    & skf18("5","3","7","10","2","8","1") = "9"
    & skf18("5","3","7","10","2","9","1") = "9"
    & skf18("5","3","7","10","2","10","1") = "9"
    & skf18("5","3","7","10","3","1","1") = "9"
    & skf18("5","3","7","10","3","2","1") = "9"
    & skf18("5","3","7","10","3","3","1") = "9"
    & skf18("5","3","7","10","3","4","1") = "9"
    & skf18("5","3","7","10","3","5","1") = "9"
    & skf18("5","3","7","10","3","6","1") = "9"
    & skf18("5","3","7","10","3","7","1") = "9"
    & skf18("5","3","7","10","3","8","1") = "9"
    & skf18("5","3","7","10","3","9","1") = "9"
    & skf18("5","3","7","10","3","10","1") = "9"
    & skf18("5","3","7","10","4","1","1") = "9"
    & skf18("5","3","7","10","4","2","1") = "9"
    & skf18("5","3","7","10","4","3","1") = "9"
    & skf18("5","3","7","10","4","4","1") = "9"
    & skf18("5","3","7","10","4","5","1") = "9"
    & skf18("5","3","7","10","4","6","1") = "9"
    & skf18("5","3","7","10","4","7","1") = "9"
    & skf18("5","3","7","10","4","8","1") = "9"
    & skf18("5","3","7","10","4","9","1") = "9"
    & skf18("5","3","7","10","4","10","1") = "9"
    & skf18("5","3","7","10","5","1","1") = "9"
    & skf18("5","3","7","10","5","2","1") = "9"
    & skf18("5","3","7","10","5","3","1") = "9"
    & skf18("5","3","7","10","5","4","1") = "9"
    & skf18("5","3","7","10","5","5","1") = "9"
    & skf18("5","3","7","10","5","6","1") = "9"
    & skf18("5","3","7","10","5","7","1") = "9"
    & skf18("5","3","7","10","5","8","1") = "9"
    & skf18("5","3","7","10","5","9","1") = "9"
    & skf18("5","3","7","10","5","10","1") = "9"
    & skf18("5","3","7","10","6","1","1") = "9"
    & skf18("5","3","7","10","6","2","1") = "9"
    & skf18("5","3","7","10","6","3","1") = "9"
    & skf18("5","3","7","10","6","4","1") = "9"
    & skf18("5","3","7","10","6","5","1") = "9"
    & skf18("5","3","7","10","6","6","1") = "9"
    & skf18("5","3","7","10","6","7","1") = "9"
    & skf18("5","3","7","10","6","8","1") = "9"
    & skf18("5","3","7","10","6","9","1") = "9"
    & skf18("5","3","7","10","6","10","1") = "9"
    & skf18("5","3","7","10","7","1","1") = "9"
    & skf18("5","3","7","10","7","2","1") = "9"
    & skf18("5","3","7","10","7","3","1") = "9"
    & skf18("5","3","7","10","7","4","1") = "9"
    & skf18("5","3","7","10","7","5","1") = "9"
    & skf18("5","3","7","10","7","6","1") = "9"
    & skf18("5","3","7","10","7","7","1") = "9"
    & skf18("5","3","7","10","7","8","1") = "9"
    & skf18("5","3","7","10","7","9","1") = "9"
    & skf18("5","3","7","10","7","10","1") = "9"
    & skf18("5","3","7","10","8","1","1") = "9"
    & skf18("5","3","7","10","8","2","1") = "9"
    & skf18("5","3","7","10","8","3","1") = "9"
    & skf18("5","3","7","10","8","4","1") = "9"
    & skf18("5","3","7","10","8","5","1") = "9"
    & skf18("5","3","7","10","8","6","1") = "9"
    & skf18("5","3","7","10","8","7","1") = "9"
    & skf18("5","3","7","10","8","8","1") = "9"
    & skf18("5","3","7","10","8","9","1") = "9"
    & skf18("5","3","7","10","8","10","1") = "9"
    & skf18("5","3","7","10","9","1","1") = "9"
    & skf18("5","3","7","10","9","2","1") = "9"
    & skf18("5","3","7","10","9","3","1") = "9"
    & skf18("5","3","7","10","9","4","1") = "9"
    & skf18("5","3","7","10","9","5","1") = "9"
    & skf18("5","3","7","10","9","6","1") = "9"
    & skf18("5","3","7","10","9","7","1") = "9"
    & skf18("5","3","7","10","9","8","1") = "9"
    & skf18("5","3","7","10","9","9","1") = "9"
    & skf18("5","3","7","10","9","10","1") = "9"
    & skf18("5","3","7","10","10","1","1") = "9"
    & skf18("5","3","7","10","10","2","1") = "9"
    & skf18("5","3","7","10","10","3","1") = "9"
    & skf18("5","3","7","10","10","4","1") = "9"
    & skf18("5","3","7","10","10","5","1") = "9"
    & skf18("5","3","7","10","10","6","1") = "9"
    & skf18("5","3","7","10","10","7","1") = "9"
    & skf18("5","3","7","10","10","8","1") = "9"
    & skf18("5","3","7","10","10","9","1") = "9"
    & skf18("5","3","7","10","10","10","1") = "9"
    & skf18("5","3","8","1","1","1","1") = "7"
    & skf18("5","3","8","1","1","2","1") = "7"
    & skf18("5","3","8","1","1","3","1") = "7"
    & skf18("5","3","8","1","1","4","1") = "7"
    & skf18("5","3","8","1","1","5","1") = "7"
    & skf18("5","3","8","1","1","6","1") = "7"
    & skf18("5","3","8","1","1","7","1") = "7"
    & skf18("5","3","8","1","1","8","1") = "7"
    & skf18("5","3","8","1","1","9","1") = "8"
    & skf18("5","3","8","1","1","10","1") = "9"
    & skf18("5","3","8","1","2","1","1") = "7"
    & skf18("5","3","8","1","2","2","1") = "7"
    & skf18("5","3","8","1","2","3","1") = "7"
    & skf18("5","3","8","1","2","4","1") = "7"
    & skf18("5","3","8","1","2","5","1") = "7"
    & skf18("5","3","8","1","2","6","1") = "7"
    & skf18("5","3","8","1","2","7","1") = "7"
    & skf18("5","3","8","1","2","8","1") = "7"
    & skf18("5","3","8","1","2","9","1") = "8"
    & skf18("5","3","8","1","2","10","1") = "9"
    & skf18("5","3","8","1","3","1","1") = "7"
    & skf18("5","3","8","1","3","2","1") = "7"
    & skf18("5","3","8","1","3","3","1") = "7"
    & skf18("5","3","8","1","3","4","1") = "7"
    & skf18("5","3","8","1","3","5","1") = "7"
    & skf18("5","3","8","1","3","6","1") = "7"
    & skf18("5","3","8","1","3","7","1") = "7"
    & skf18("5","3","8","1","3","8","1") = "7"
    & skf18("5","3","8","1","3","9","1") = "8"
    & skf18("5","3","8","1","3","10","1") = "9"
    & skf18("5","3","8","1","4","1","1") = "7"
    & skf18("5","3","8","1","4","2","1") = "7"
    & skf18("5","3","8","1","4","3","1") = "7"
    & skf18("5","3","8","1","4","4","1") = "7"
    & skf18("5","3","8","1","4","5","1") = "7"
    & skf18("5","3","8","1","4","6","1") = "7"
    & skf18("5","3","8","1","4","7","1") = "7"
    & skf18("5","3","8","1","4","8","1") = "7"
    & skf18("5","3","8","1","4","9","1") = "8"
    & skf18("5","3","8","1","4","10","1") = "9"
    & skf18("5","3","8","1","5","1","1") = "7"
    & skf18("5","3","8","1","5","2","1") = "7"
    & skf18("5","3","8","1","5","3","1") = "7"
    & skf18("5","3","8","1","5","4","1") = "7"
    & skf18("5","3","8","1","5","5","1") = "7"
    & skf18("5","3","8","1","5","6","1") = "7"
    & skf18("5","3","8","1","5","7","1") = "7"
    & skf18("5","3","8","1","5","8","1") = "7"
    & skf18("5","3","8","1","5","9","1") = "8"
    & skf18("5","3","8","1","5","10","1") = "9"
    & skf18("5","3","8","1","6","1","1") = "7"
    & skf18("5","3","8","1","6","2","1") = "7"
    & skf18("5","3","8","1","6","3","1") = "7"
    & skf18("5","3","8","1","6","4","1") = "7"
    & skf18("5","3","8","1","6","5","1") = "7"
    & skf18("5","3","8","1","6","6","1") = "7"
    & skf18("5","3","8","1","6","7","1") = "7"
    & skf18("5","3","8","1","6","8","1") = "7"
    & skf18("5","3","8","1","6","9","1") = "8"
    & skf18("5","3","8","1","6","10","1") = "9"
    & skf18("5","3","8","1","7","1","1") = "7"
    & skf18("5","3","8","1","7","2","1") = "7"
    & skf18("5","3","8","1","7","3","1") = "7"
    & skf18("5","3","8","1","7","4","1") = "7"
    & skf18("5","3","8","1","7","5","1") = "7"
    & skf18("5","3","8","1","7","6","1") = "7"
    & skf18("5","3","8","1","7","7","1") = "7"
    & skf18("5","3","8","1","7","8","1") = "7"
    & skf18("5","3","8","1","7","9","1") = "8"
    & skf18("5","3","8","1","7","10","1") = "9"
    & skf18("5","3","8","1","8","1","1") = "7"
    & skf18("5","3","8","1","8","2","1") = "7"
    & skf18("5","3","8","1","8","3","1") = "7"
    & skf18("5","3","8","1","8","4","1") = "7"
    & skf18("5","3","8","1","8","5","1") = "7"
    & skf18("5","3","8","1","8","6","1") = "7"
    & skf18("5","3","8","1","8","7","1") = "7"
    & skf18("5","3","8","1","8","8","1") = "7"
    & skf18("5","3","8","1","8","9","1") = "8"
    & skf18("5","3","8","1","8","10","1") = "9"
    & skf18("5","3","8","1","9","1","1") = "8"
    & skf18("5","3","8","1","9","2","1") = "8"
    & skf18("5","3","8","1","9","3","1") = "8"
    & skf18("5","3","8","1","9","4","1") = "8"
    & skf18("5","3","8","1","9","5","1") = "8"
    & skf18("5","3","8","1","9","6","1") = "8"
    & skf18("5","3","8","1","9","7","1") = "8"
    & skf18("5","3","8","1","9","8","1") = "8"
    & skf18("5","3","8","1","9","9","1") = "8"
    & skf18("5","3","8","1","9","10","1") = "9"
    & skf18("5","3","8","1","10","1","1") = "9"
    & skf18("5","3","8","1","10","2","1") = "9"
    & skf18("5","3","8","1","10","3","1") = "9"
    & skf18("5","3","8","1","10","4","1") = "9"
    & skf18("5","3","8","1","10","5","1") = "9"
    & skf18("5","3","8","1","10","6","1") = "9"
    & skf18("5","3","8","1","10","7","1") = "9"
    & skf18("5","3","8","1","10","8","1") = "9"
    & skf18("5","3","8","1","10","9","1") = "9"
    & skf18("5","3","8","1","10","10","1") = "9"
    & skf18("5","3","8","2","1","1","1") = "7"
    & skf18("5","3","8","2","1","2","1") = "7"
    & skf18("5","3","8","2","1","3","1") = "7"
    & skf18("5","3","8","2","1","4","1") = "7"
    & skf18("5","3","8","2","1","5","1") = "7"
    & skf18("5","3","8","2","1","6","1") = "7"
    & skf18("5","3","8","2","1","7","1") = "7"
    & skf18("5","3","8","2","1","8","1") = "7"
    & skf18("5","3","8","2","1","9","1") = "8"
    & skf18("5","3","8","2","1","10","1") = "9"
    & skf18("5","3","8","2","2","1","1") = "7"
    & skf18("5","3","8","2","2","2","1") = "7"
    & skf18("5","3","8","2","2","3","1") = "7"
    & skf18("5","3","8","2","2","4","1") = "7"
    & skf18("5","3","8","2","2","5","1") = "7"
    & skf18("5","3","8","2","2","6","1") = "7"
    & skf18("5","3","8","2","2","7","1") = "7"
    & skf18("5","3","8","2","2","8","1") = "7"
    & skf18("5","3","8","2","2","9","1") = "8"
    & skf18("5","3","8","2","2","10","1") = "9"
    & skf18("5","3","8","2","3","1","1") = "7"
    & skf18("5","3","8","2","3","2","1") = "7"
    & skf18("5","3","8","2","3","3","1") = "7"
    & skf18("5","3","8","2","3","4","1") = "7"
    & skf18("5","3","8","2","3","5","1") = "7"
    & skf18("5","3","8","2","3","6","1") = "7"
    & skf18("5","3","8","2","3","7","1") = "7"
    & skf18("5","3","8","2","3","8","1") = "7"
    & skf18("5","3","8","2","3","9","1") = "8"
    & skf18("5","3","8","2","3","10","1") = "9"
    & skf18("5","3","8","2","4","1","1") = "7"
    & skf18("5","3","8","2","4","2","1") = "7"
    & skf18("5","3","8","2","4","3","1") = "7"
    & skf18("5","3","8","2","4","4","1") = "7"
    & skf18("5","3","8","2","4","5","1") = "7"
    & skf18("5","3","8","2","4","6","1") = "7"
    & skf18("5","3","8","2","4","7","1") = "7"
    & skf18("5","3","8","2","4","8","1") = "7"
    & skf18("5","3","8","2","4","9","1") = "8"
    & skf18("5","3","8","2","4","10","1") = "9"
    & skf18("5","3","8","2","5","1","1") = "7"
    & skf18("5","3","8","2","5","2","1") = "7"
    & skf18("5","3","8","2","5","3","1") = "7"
    & skf18("5","3","8","2","5","4","1") = "7"
    & skf18("5","3","8","2","5","5","1") = "7"
    & skf18("5","3","8","2","5","6","1") = "7"
    & skf18("5","3","8","2","5","7","1") = "7"
    & skf18("5","3","8","2","5","8","1") = "7"
    & skf18("5","3","8","2","5","9","1") = "8"
    & skf18("5","3","8","2","5","10","1") = "9"
    & skf18("5","3","8","2","6","1","1") = "7"
    & skf18("5","3","8","2","6","2","1") = "7"
    & skf18("5","3","8","2","6","3","1") = "7"
    & skf18("5","3","8","2","6","4","1") = "7"
    & skf18("5","3","8","2","6","5","1") = "7"
    & skf18("5","3","8","2","6","6","1") = "7"
    & skf18("5","3","8","2","6","7","1") = "7"
    & skf18("5","3","8","2","6","8","1") = "7"
    & skf18("5","3","8","2","6","9","1") = "8"
    & skf18("5","3","8","2","6","10","1") = "9"
    & skf18("5","3","8","2","7","1","1") = "7"
    & skf18("5","3","8","2","7","2","1") = "7"
    & skf18("5","3","8","2","7","3","1") = "7"
    & skf18("5","3","8","2","7","4","1") = "7"
    & skf18("5","3","8","2","7","5","1") = "7"
    & skf18("5","3","8","2","7","6","1") = "7"
    & skf18("5","3","8","2","7","7","1") = "7"
    & skf18("5","3","8","2","7","8","1") = "7"
    & skf18("5","3","8","2","7","9","1") = "8"
    & skf18("5","3","8","2","7","10","1") = "9"
    & skf18("5","3","8","2","8","1","1") = "7"
    & skf18("5","3","8","2","8","2","1") = "7"
    & skf18("5","3","8","2","8","3","1") = "7"
    & skf18("5","3","8","2","8","4","1") = "7"
    & skf18("5","3","8","2","8","5","1") = "7"
    & skf18("5","3","8","2","8","6","1") = "7"
    & skf18("5","3","8","2","8","7","1") = "7"
    & skf18("5","3","8","2","8","8","1") = "7"
    & skf18("5","3","8","2","8","9","1") = "8"
    & skf18("5","3","8","2","8","10","1") = "9"
    & skf18("5","3","8","2","9","1","1") = "8"
    & skf18("5","3","8","2","9","2","1") = "8"
    & skf18("5","3","8","2","9","3","1") = "8"
    & skf18("5","3","8","2","9","4","1") = "8"
    & skf18("5","3","8","2","9","5","1") = "8"
    & skf18("5","3","8","2","9","6","1") = "8"
    & skf18("5","3","8","2","9","7","1") = "8"
    & skf18("5","3","8","2","9","8","1") = "8"
    & skf18("5","3","8","2","9","9","1") = "8"
    & skf18("5","3","8","2","9","10","1") = "9"
    & skf18("5","3","8","2","10","1","1") = "9"
    & skf18("5","3","8","2","10","2","1") = "9"
    & skf18("5","3","8","2","10","3","1") = "9"
    & skf18("5","3","8","2","10","4","1") = "9"
    & skf18("5","3","8","2","10","5","1") = "9"
    & skf18("5","3","8","2","10","6","1") = "9"
    & skf18("5","3","8","2","10","7","1") = "9"
    & skf18("5","3","8","2","10","8","1") = "9"
    & skf18("5","3","8","2","10","9","1") = "9"
    & skf18("5","3","8","2","10","10","1") = "9"
    & skf18("5","3","8","3","1","1","1") = "7"
    & skf18("5","3","8","3","1","2","1") = "7"
    & skf18("5","3","8","3","1","3","1") = "7"
    & skf18("5","3","8","3","1","4","1") = "7"
    & skf18("5","3","8","3","1","5","1") = "7"
    & skf18("5","3","8","3","1","6","1") = "7"
    & skf18("5","3","8","3","1","7","1") = "7"
    & skf18("5","3","8","3","1","8","1") = "7"
    & skf18("5","3","8","3","1","9","1") = "8"
    & skf18("5","3","8","3","1","10","1") = "9"
    & skf18("5","3","8","3","2","1","1") = "7"
    & skf18("5","3","8","3","2","2","1") = "7"
    & skf18("5","3","8","3","2","3","1") = "7"
    & skf18("5","3","8","3","2","4","1") = "7"
    & skf18("5","3","8","3","2","5","1") = "7"
    & skf18("5","3","8","3","2","6","1") = "7"
    & skf18("5","3","8","3","2","7","1") = "7"
    & skf18("5","3","8","3","2","8","1") = "7"
    & skf18("5","3","8","3","2","9","1") = "8"
    & skf18("5","3","8","3","2","10","1") = "9"
    & skf18("5","3","8","3","3","1","1") = "7"
    & skf18("5","3","8","3","3","2","1") = "7"
    & skf18("5","3","8","3","3","3","1") = "7"
    & skf18("5","3","8","3","3","4","1") = "7"
    & skf18("5","3","8","3","3","5","1") = "7"
    & skf18("5","3","8","3","3","6","1") = "7"
    & skf18("5","3","8","3","3","7","1") = "7"
    & skf18("5","3","8","3","3","8","1") = "7"
    & skf18("5","3","8","3","3","9","1") = "8"
    & skf18("5","3","8","3","3","10","1") = "9"
    & skf18("5","3","8","3","4","1","1") = "7"
    & skf18("5","3","8","3","4","2","1") = "7"
    & skf18("5","3","8","3","4","3","1") = "7"
    & skf18("5","3","8","3","4","4","1") = "7"
    & skf18("5","3","8","3","4","5","1") = "7"
    & skf18("5","3","8","3","4","6","1") = "7"
    & skf18("5","3","8","3","4","7","1") = "7"
    & skf18("5","3","8","3","4","8","1") = "7"
    & skf18("5","3","8","3","4","9","1") = "8"
    & skf18("5","3","8","3","4","10","1") = "9"
    & skf18("5","3","8","3","5","1","1") = "7"
    & skf18("5","3","8","3","5","2","1") = "7"
    & skf18("5","3","8","3","5","3","1") = "7"
    & skf18("5","3","8","3","5","4","1") = "7"
    & skf18("5","3","8","3","5","5","1") = "7"
    & skf18("5","3","8","3","5","6","1") = "7"
    & skf18("5","3","8","3","5","7","1") = "7"
    & skf18("5","3","8","3","5","8","1") = "7"
    & skf18("5","3","8","3","5","9","1") = "8"
    & skf18("5","3","8","3","5","10","1") = "9"
    & skf18("5","3","8","3","6","1","1") = "7"
    & skf18("5","3","8","3","6","2","1") = "7"
    & skf18("5","3","8","3","6","3","1") = "7"
    & skf18("5","3","8","3","6","4","1") = "7"
    & skf18("5","3","8","3","6","5","1") = "7"
    & skf18("5","3","8","3","6","6","1") = "7"
    & skf18("5","3","8","3","6","7","1") = "7"
    & skf18("5","3","8","3","6","8","1") = "7"
    & skf18("5","3","8","3","6","9","1") = "8"
    & skf18("5","3","8","3","6","10","1") = "9"
    & skf18("5","3","8","3","7","1","1") = "7"
    & skf18("5","3","8","3","7","2","1") = "7"
    & skf18("5","3","8","3","7","3","1") = "7"
    & skf18("5","3","8","3","7","4","1") = "7"
    & skf18("5","3","8","3","7","5","1") = "7"
    & skf18("5","3","8","3","7","6","1") = "7"
    & skf18("5","3","8","3","7","7","1") = "7"
    & skf18("5","3","8","3","7","8","1") = "7"
    & skf18("5","3","8","3","7","9","1") = "8"
    & skf18("5","3","8","3","7","10","1") = "9"
    & skf18("5","3","8","3","8","1","1") = "7"
    & skf18("5","3","8","3","8","2","1") = "7"
    & skf18("5","3","8","3","8","3","1") = "7"
    & skf18("5","3","8","3","8","4","1") = "7"
    & skf18("5","3","8","3","8","5","1") = "7"
    & skf18("5","3","8","3","8","6","1") = "7"
    & skf18("5","3","8","3","8","7","1") = "7"
    & skf18("5","3","8","3","8","8","1") = "7"
    & skf18("5","3","8","3","8","9","1") = "8"
    & skf18("5","3","8","3","8","10","1") = "9"
    & skf18("5","3","8","3","9","1","1") = "8"
    & skf18("5","3","8","3","9","2","1") = "8"
    & skf18("5","3","8","3","9","3","1") = "8"
    & skf18("5","3","8","3","9","4","1") = "8"
    & skf18("5","3","8","3","9","5","1") = "8"
    & skf18("5","3","8","3","9","6","1") = "8"
    & skf18("5","3","8","3","9","7","1") = "8"
    & skf18("5","3","8","3","9","8","1") = "8"
    & skf18("5","3","8","3","9","9","1") = "8"
    & skf18("5","3","8","3","9","10","1") = "9"
    & skf18("5","3","8","3","10","1","1") = "9"
    & skf18("5","3","8","3","10","2","1") = "9"
    & skf18("5","3","8","3","10","3","1") = "9"
    & skf18("5","3","8","3","10","4","1") = "9"
    & skf18("5","3","8","3","10","5","1") = "9"
    & skf18("5","3","8","3","10","6","1") = "9"
    & skf18("5","3","8","3","10","7","1") = "9"
    & skf18("5","3","8","3","10","8","1") = "9"
    & skf18("5","3","8","3","10","9","1") = "9"
    & skf18("5","3","8","3","10","10","1") = "9"
    & skf18("5","3","8","4","1","1","1") = "7"
    & skf18("5","3","8","4","1","2","1") = "7"
    & skf18("5","3","8","4","1","3","1") = "7"
    & skf18("5","3","8","4","1","4","1") = "7"
    & skf18("5","3","8","4","1","5","1") = "7"
    & skf18("5","3","8","4","1","6","1") = "7"
    & skf18("5","3","8","4","1","7","1") = "7"
    & skf18("5","3","8","4","1","8","1") = "7"
    & skf18("5","3","8","4","1","9","1") = "8"
    & skf18("5","3","8","4","1","10","1") = "9"
    & skf18("5","3","8","4","2","1","1") = "7"
    & skf18("5","3","8","4","2","2","1") = "7"
    & skf18("5","3","8","4","2","3","1") = "7"
    & skf18("5","3","8","4","2","4","1") = "7"
    & skf18("5","3","8","4","2","5","1") = "7"
    & skf18("5","3","8","4","2","6","1") = "7"
    & skf18("5","3","8","4","2","7","1") = "7"
    & skf18("5","3","8","4","2","8","1") = "7"
    & skf18("5","3","8","4","2","9","1") = "8"
    & skf18("5","3","8","4","2","10","1") = "9"
    & skf18("5","3","8","4","3","1","1") = "7"
    & skf18("5","3","8","4","3","2","1") = "7"
    & skf18("5","3","8","4","3","3","1") = "7"
    & skf18("5","3","8","4","3","4","1") = "7"
    & skf18("5","3","8","4","3","5","1") = "7"
    & skf18("5","3","8","4","3","6","1") = "7"
    & skf18("5","3","8","4","3","7","1") = "7"
    & skf18("5","3","8","4","3","8","1") = "7"
    & skf18("5","3","8","4","3","9","1") = "8"
    & skf18("5","3","8","4","3","10","1") = "9"
    & skf18("5","3","8","4","4","1","1") = "7"
    & skf18("5","3","8","4","4","2","1") = "7"
    & skf18("5","3","8","4","4","3","1") = "7"
    & skf18("5","3","8","4","4","4","1") = "7"
    & skf18("5","3","8","4","4","5","1") = "7"
    & skf18("5","3","8","4","4","6","1") = "7"
    & skf18("5","3","8","4","4","7","1") = "7"
    & skf18("5","3","8","4","4","8","1") = "7"
    & skf18("5","3","8","4","4","9","1") = "8"
    & skf18("5","3","8","4","4","10","1") = "9"
    & skf18("5","3","8","4","5","1","1") = "7"
    & skf18("5","3","8","4","5","2","1") = "7"
    & skf18("5","3","8","4","5","3","1") = "7"
    & skf18("5","3","8","4","5","4","1") = "7"
    & skf18("5","3","8","4","5","5","1") = "7"
    & skf18("5","3","8","4","5","6","1") = "7"
    & skf18("5","3","8","4","5","7","1") = "7"
    & skf18("5","3","8","4","5","8","1") = "7"
    & skf18("5","3","8","4","5","9","1") = "8"
    & skf18("5","3","8","4","5","10","1") = "9"
    & skf18("5","3","8","4","6","1","1") = "7"
    & skf18("5","3","8","4","6","2","1") = "7"
    & skf18("5","3","8","4","6","3","1") = "7"
    & skf18("5","3","8","4","6","4","1") = "7"
    & skf18("5","3","8","4","6","5","1") = "7"
    & skf18("5","3","8","4","6","6","1") = "7"
    & skf18("5","3","8","4","6","7","1") = "7"
    & skf18("5","3","8","4","6","8","1") = "7"
    & skf18("5","3","8","4","6","9","1") = "8"
    & skf18("5","3","8","4","6","10","1") = "9"
    & skf18("5","3","8","4","7","1","1") = "7"
    & skf18("5","3","8","4","7","2","1") = "7"
    & skf18("5","3","8","4","7","3","1") = "7"
    & skf18("5","3","8","4","7","4","1") = "7"
    & skf18("5","3","8","4","7","5","1") = "7"
    & skf18("5","3","8","4","7","6","1") = "7"
    & skf18("5","3","8","4","7","7","1") = "7"
    & skf18("5","3","8","4","7","8","1") = "7"
    & skf18("5","3","8","4","7","9","1") = "8"
    & skf18("5","3","8","4","7","10","1") = "9"
    & skf18("5","3","8","4","8","1","1") = "7"
    & skf18("5","3","8","4","8","2","1") = "7"
    & skf18("5","3","8","4","8","3","1") = "7"
    & skf18("5","3","8","4","8","4","1") = "7"
    & skf18("5","3","8","4","8","5","1") = "7"
    & skf18("5","3","8","4","8","6","1") = "7"
    & skf18("5","3","8","4","8","7","1") = "7"
    & skf18("5","3","8","4","8","8","1") = "7"
    & skf18("5","3","8","4","8","9","1") = "8"
    & skf18("5","3","8","4","8","10","1") = "9"
    & skf18("5","3","8","4","9","1","1") = "8"
    & skf18("5","3","8","4","9","2","1") = "8"
    & skf18("5","3","8","4","9","3","1") = "8"
    & skf18("5","3","8","4","9","4","1") = "8"
    & skf18("5","3","8","4","9","5","1") = "8"
    & skf18("5","3","8","4","9","6","1") = "8"
    & skf18("5","3","8","4","9","7","1") = "8"
    & skf18("5","3","8","4","9","8","1") = "8"
    & skf18("5","3","8","4","9","9","1") = "8"
    & skf18("5","3","8","4","9","10","1") = "9"
    & skf18("5","3","8","4","10","1","1") = "9"
    & skf18("5","3","8","4","10","2","1") = "9"
    & skf18("5","3","8","4","10","3","1") = "9"
    & skf18("5","3","8","4","10","4","1") = "9"
    & skf18("5","3","8","4","10","5","1") = "9"
    & skf18("5","3","8","4","10","6","1") = "9"
    & skf18("5","3","8","4","10","7","1") = "9"
    & skf18("5","3","8","4","10","8","1") = "9"
    & skf18("5","3","8","4","10","9","1") = "9"
    & skf18("5","3","8","4","10","10","1") = "9"
    & skf18("5","3","8","5","1","1","1") = "7"
    & skf18("5","3","8","5","1","2","1") = "7"
    & skf18("5","3","8","5","1","3","1") = "7"
    & skf18("5","3","8","5","1","4","1") = "7"
    & skf18("5","3","8","5","1","5","1") = "7"
    & skf18("5","3","8","5","1","6","1") = "7"
    & skf18("5","3","8","5","1","7","1") = "7"
    & skf18("5","3","8","5","1","8","1") = "7"
    & skf18("5","3","8","5","1","9","1") = "8"
    & skf18("5","3","8","5","1","10","1") = "9"
    & skf18("5","3","8","5","2","1","1") = "7"
    & skf18("5","3","8","5","2","2","1") = "7"
    & skf18("5","3","8","5","2","3","1") = "7"
    & skf18("5","3","8","5","2","4","1") = "7"
    & skf18("5","3","8","5","2","5","1") = "7"
    & skf18("5","3","8","5","2","6","1") = "7"
    & skf18("5","3","8","5","2","7","1") = "7"
    & skf18("5","3","8","5","2","8","1") = "7"
    & skf18("5","3","8","5","2","9","1") = "8"
    & skf18("5","3","8","5","2","10","1") = "9"
    & skf18("5","3","8","5","3","1","1") = "7"
    & skf18("5","3","8","5","3","2","1") = "7"
    & skf18("5","3","8","5","3","3","1") = "7"
    & skf18("5","3","8","5","3","4","1") = "7"
    & skf18("5","3","8","5","3","5","1") = "7"
    & skf18("5","3","8","5","3","6","1") = "7"
    & skf18("5","3","8","5","3","7","1") = "7"
    & skf18("5","3","8","5","3","8","1") = "7"
    & skf18("5","3","8","5","3","9","1") = "8"
    & skf18("5","3","8","5","3","10","1") = "9"
    & skf18("5","3","8","5","4","1","1") = "7"
    & skf18("5","3","8","5","4","2","1") = "7"
    & skf18("5","3","8","5","4","3","1") = "7"
    & skf18("5","3","8","5","4","4","1") = "7"
    & skf18("5","3","8","5","4","5","1") = "7"
    & skf18("5","3","8","5","4","6","1") = "7"
    & skf18("5","3","8","5","4","7","1") = "7"
    & skf18("5","3","8","5","4","8","1") = "7"
    & skf18("5","3","8","5","4","9","1") = "8"
    & skf18("5","3","8","5","4","10","1") = "9"
    & skf18("5","3","8","5","5","1","1") = "7"
    & skf18("5","3","8","5","5","2","1") = "7"
    & skf18("5","3","8","5","5","3","1") = "7"
    & skf18("5","3","8","5","5","4","1") = "7"
    & skf18("5","3","8","5","5","5","1") = "7"
    & skf18("5","3","8","5","5","6","1") = "7"
    & skf18("5","3","8","5","5","7","1") = "7"
    & skf18("5","3","8","5","5","8","1") = "7"
    & skf18("5","3","8","5","5","9","1") = "8"
    & skf18("5","3","8","5","5","10","1") = "9"
    & skf18("5","3","8","5","6","1","1") = "7"
    & skf18("5","3","8","5","6","2","1") = "7"
    & skf18("5","3","8","5","6","3","1") = "7"
    & skf18("5","3","8","5","6","4","1") = "7"
    & skf18("5","3","8","5","6","5","1") = "7"
    & skf18("5","3","8","5","6","6","1") = "7"
    & skf18("5","3","8","5","6","7","1") = "7"
    & skf18("5","3","8","5","6","8","1") = "7"
    & skf18("5","3","8","5","6","9","1") = "8"
    & skf18("5","3","8","5","6","10","1") = "9"
    & skf18("5","3","8","5","7","1","1") = "7"
    & skf18("5","3","8","5","7","2","1") = "7"
    & skf18("5","3","8","5","7","3","1") = "7"
    & skf18("5","3","8","5","7","4","1") = "7"
    & skf18("5","3","8","5","7","5","1") = "7"
    & skf18("5","3","8","5","7","6","1") = "7"
    & skf18("5","3","8","5","7","7","1") = "7"
    & skf18("5","3","8","5","7","8","1") = "7"
    & skf18("5","3","8","5","7","9","1") = "8"
    & skf18("5","3","8","5","7","10","1") = "9"
    & skf18("5","3","8","5","8","1","1") = "7"
    & skf18("5","3","8","5","8","2","1") = "7"
    & skf18("5","3","8","5","8","3","1") = "7"
    & skf18("5","3","8","5","8","4","1") = "7"
    & skf18("5","3","8","5","8","5","1") = "7"
    & skf18("5","3","8","5","8","6","1") = "7"
    & skf18("5","3","8","5","8","7","1") = "7"
    & skf18("5","3","8","5","8","8","1") = "7"
    & skf18("5","3","8","5","8","9","1") = "8"
    & skf18("5","3","8","5","8","10","1") = "9"
    & skf18("5","3","8","5","9","1","1") = "8"
    & skf18("5","3","8","5","9","2","1") = "8"
    & skf18("5","3","8","5","9","3","1") = "8"
    & skf18("5","3","8","5","9","4","1") = "8"
    & skf18("5","3","8","5","9","5","1") = "8"
    & skf18("5","3","8","5","9","6","1") = "8"
    & skf18("5","3","8","5","9","7","1") = "8"
    & skf18("5","3","8","5","9","8","1") = "8"
    & skf18("5","3","8","5","9","9","1") = "8"
    & skf18("5","3","8","5","9","10","1") = "9"
    & skf18("5","3","8","5","10","1","1") = "9"
    & skf18("5","3","8","5","10","2","1") = "9"
    & skf18("5","3","8","5","10","3","1") = "9"
    & skf18("5","3","8","5","10","4","1") = "9"
    & skf18("5","3","8","5","10","5","1") = "9"
    & skf18("5","3","8","5","10","6","1") = "9"
    & skf18("5","3","8","5","10","7","1") = "9"
    & skf18("5","3","8","5","10","8","1") = "9"
    & skf18("5","3","8","5","10","9","1") = "9"
    & skf18("5","3","8","5","10","10","1") = "9"
    & skf18("5","3","8","6","1","1","1") = "7"
    & skf18("5","3","8","6","1","2","1") = "7"
    & skf18("5","3","8","6","1","3","1") = "7"
    & skf18("5","3","8","6","1","4","1") = "7"
    & skf18("5","3","8","6","1","5","1") = "6"
    & skf18("5","3","8","6","1","6","1") = "6"
    & skf18("5","3","8","6","1","7","1") = "6"
    & skf18("5","3","8","6","1","8","1") = "7"
    & skf18("5","3","8","6","1","9","1") = "8"
    & skf18("5","3","8","6","1","10","1") = "9"
    & skf18("5","3","8","6","2","1","1") = "6"
    & skf18("5","3","8","6","2","2","1") = "7"
    & skf18("5","3","8","6","2","3","1") = "7"
    & skf18("5","3","8","6","2","4","1") = "7"
    & skf18("5","3","8","6","2","5","1") = "7"
    & skf18("5","3","8","6","2","6","1") = "7"
    & skf18("5","3","8","6","2","7","1") = "7"
    & skf18("5","3","8","6","2","8","1") = "7"
    & skf18("5","3","8","6","2","9","1") = "8"
    & skf18("5","3","8","6","2","10","1") = "9"
    & skf18("5","3","8","6","3","1","1") = "7"
    & skf18("5","3","8","6","3","2","1") = "7"
    & skf18("5","3","8","6","3","3","1") = "7"
    & skf18("5","3","8","6","3","4","1") = "7"
    & skf18("5","3","8","6","3","5","1") = "7"
    & skf18("5","3","8","6","3","6","1") = "7"
    & skf18("5","3","8","6","3","7","1") = "7"
    & skf18("5","3","8","6","3","8","1") = "7"
    & skf18("5","3","8","6","3","9","1") = "8"
    & skf18("5","3","8","6","3","10","1") = "9"
    & skf18("5","3","8","6","4","1","1") = "7"
    & skf18("5","3","8","6","4","2","1") = "7"
    & skf18("5","3","8","6","4","3","1") = "7"
    & skf18("5","3","8","6","4","4","1") = "7"
    & skf18("5","3","8","6","4","5","1") = "7"
    & skf18("5","3","8","6","4","6","1") = "7"
    & skf18("5","3","8","6","4","7","1") = "7"
    & skf18("5","3","8","6","4","8","1") = "7"
    & skf18("5","3","8","6","4","9","1") = "8"
    & skf18("5","3","8","6","4","10","1") = "9"
    & skf18("5","3","8","6","5","1","1") = "7"
    & skf18("5","3","8","6","5","2","1") = "7"
    & skf18("5","3","8","6","5","3","1") = "7"
    & skf18("5","3","8","6","5","4","1") = "7"
    & skf18("5","3","8","6","5","5","1") = "7"
    & skf18("5","3","8","6","5","6","1") = "7"
    & skf18("5","3","8","6","5","7","1") = "7"
    & skf18("5","3","8","6","5","8","1") = "7"
    & skf18("5","3","8","6","5","9","1") = "8"
    & skf18("5","3","8","6","5","10","1") = "9"
    & skf18("5","3","8","6","6","1","1") = "7"
    & skf18("5","3","8","6","6","2","1") = "7"
    & skf18("5","3","8","6","6","3","1") = "7"
    & skf18("5","3","8","6","6","4","1") = "7"
    & skf18("5","3","8","6","6","5","1") = "7"
    & skf18("5","3","8","6","6","6","1") = "7"
    & skf18("5","3","8","6","6","7","1") = "7"
    & skf18("5","3","8","6","6","8","1") = "7"
    & skf18("5","3","8","6","6","9","1") = "8"
    & skf18("5","3","8","6","6","10","1") = "9"
    & skf18("5","3","8","6","7","1","1") = "7"
    & skf18("5","3","8","6","7","2","1") = "7"
    & skf18("5","3","8","6","7","3","1") = "7"
    & skf18("5","3","8","6","7","4","1") = "7"
    & skf18("5","3","8","6","7","5","1") = "7"
    & skf18("5","3","8","6","7","6","1") = "7"
    & skf18("5","3","8","6","7","7","1") = "7"
    & skf18("5","3","8","6","7","8","1") = "7"
    & skf18("5","3","8","6","7","9","1") = "8"
    & skf18("5","3","8","6","7","10","1") = "9"
    & skf18("5","3","8","6","8","1","1") = "7"
    & skf18("5","3","8","6","8","2","1") = "7"
    & skf18("5","3","8","6","8","3","1") = "7"
    & skf18("5","3","8","6","8","4","1") = "7"
    & skf18("5","3","8","6","8","5","1") = "7"
    & skf18("5","3","8","6","8","6","1") = "7"
    & skf18("5","3","8","6","8","7","1") = "7"
    & skf18("5","3","8","6","8","8","1") = "7"
    & skf18("5","3","8","6","8","9","1") = "8"
    & skf18("5","3","8","6","8","10","1") = "9"
    & skf18("5","3","8","6","9","1","1") = "8"
    & skf18("5","3","8","6","9","2","1") = "8"
    & skf18("5","3","8","6","9","3","1") = "8"
    & skf18("5","3","8","6","9","4","1") = "8"
    & skf18("5","3","8","6","9","5","1") = "8"
    & skf18("5","3","8","6","9","6","1") = "8"
    & skf18("5","3","8","6","9","7","1") = "8"
    & skf18("5","3","8","6","9","8","1") = "8"
    & skf18("5","3","8","6","9","9","1") = "8"
    & skf18("5","3","8","6","9","10","1") = "9"
    & skf18("5","3","8","6","10","1","1") = "9"
    & skf18("5","3","8","6","10","2","1") = "9"
    & skf18("5","3","8","6","10","3","1") = "9"
    & skf18("5","3","8","6","10","4","1") = "9"
    & skf18("5","3","8","6","10","5","1") = "9"
    & skf18("5","3","8","6","10","6","1") = "9"
    & skf18("5","3","8","6","10","7","1") = "9"
    & skf18("5","3","8","6","10","8","1") = "9"
    & skf18("5","3","8","6","10","9","1") = "9"
    & skf18("5","3","8","6","10","10","1") = "9"
    & skf18("5","3","8","7","1","1","1") = "7"
    & skf18("5","3","8","7","1","2","1") = "7"
    & skf18("5","3","8","7","1","3","1") = "7"
    & skf18("5","3","8","7","1","4","1") = "7"
    & skf18("5","3","8","7","1","5","1") = "7"
    & skf18("5","3","8","7","1","6","1") = "7"
    & skf18("5","3","8","7","1","7","1") = "7"
    & skf18("5","3","8","7","1","8","1") = "7"
    & skf18("5","3","8","7","1","9","1") = "8"
    & skf18("5","3","8","7","1","10","1") = "9"
    & skf18("5","3","8","7","2","1","1") = "7"
    & skf18("5","3","8","7","2","2","1") = "7"
    & skf18("5","3","8","7","2","3","1") = "7"
    & skf18("5","3","8","7","2","4","1") = "7"
    & skf18("5","3","8","7","2","5","1") = "7"
    & skf18("5","3","8","7","2","6","1") = "7"
    & skf18("5","3","8","7","2","7","1") = "7"
    & skf18("5","3","8","7","2","8","1") = "7"
    & skf18("5","3","8","7","2","9","1") = "8"
    & skf18("5","3","8","7","2","10","1") = "9"
    & skf18("5","3","8","7","3","1","1") = "7"
    & skf18("5","3","8","7","3","2","1") = "7"
    & skf18("5","3","8","7","3","3","1") = "7"
    & skf18("5","3","8","7","3","4","1") = "7"
    & skf18("5","3","8","7","3","5","1") = "7"
    & skf18("5","3","8","7","3","6","1") = "7"
    & skf18("5","3","8","7","3","7","1") = "7"
    & skf18("5","3","8","7","3","8","1") = "7"
    & skf18("5","3","8","7","3","9","1") = "8"
    & skf18("5","3","8","7","3","10","1") = "9"
    & skf18("5","3","8","7","4","1","1") = "7"
    & skf18("5","3","8","7","4","2","1") = "7"
    & skf18("5","3","8","7","4","3","1") = "7"
    & skf18("5","3","8","7","4","4","1") = "7"
    & skf18("5","3","8","7","4","5","1") = "7"
    & skf18("5","3","8","7","4","6","1") = "7"
    & skf18("5","3","8","7","4","7","1") = "7"
    & skf18("5","3","8","7","4","8","1") = "7"
    & skf18("5","3","8","7","4","9","1") = "8"
    & skf18("5","3","8","7","4","10","1") = "9"
    & skf18("5","3","8","7","5","1","1") = "7"
    & skf18("5","3","8","7","5","2","1") = "7"
    & skf18("5","3","8","7","5","3","1") = "7"
    & skf18("5","3","8","7","5","4","1") = "7"
    & skf18("5","3","8","7","5","5","1") = "7"
    & skf18("5","3","8","7","5","6","1") = "7"
    & skf18("5","3","8","7","5","7","1") = "7"
    & skf18("5","3","8","7","5","8","1") = "7"
    & skf18("5","3","8","7","5","9","1") = "8"
    & skf18("5","3","8","7","5","10","1") = "9"
    & skf18("5","3","8","7","6","1","1") = "7"
    & skf18("5","3","8","7","6","2","1") = "7"
    & skf18("5","3","8","7","6","3","1") = "7"
    & skf18("5","3","8","7","6","4","1") = "7"
    & skf18("5","3","8","7","6","5","1") = "7"
    & skf18("5","3","8","7","6","6","1") = "7"
    & skf18("5","3","8","7","6","7","1") = "7"
    & skf18("5","3","8","7","6","8","1") = "7"
    & skf18("5","3","8","7","6","9","1") = "8"
    & skf18("5","3","8","7","6","10","1") = "9"
    & skf18("5","3","8","7","7","1","1") = "7"
    & skf18("5","3","8","7","7","2","1") = "7"
    & skf18("5","3","8","7","7","3","1") = "7"
    & skf18("5","3","8","7","7","4","1") = "7"
    & skf18("5","3","8","7","7","5","1") = "7"
    & skf18("5","3","8","7","7","6","1") = "7"
    & skf18("5","3","8","7","7","7","1") = "7"
    & skf18("5","3","8","7","7","8","1") = "7"
    & skf18("5","3","8","7","7","9","1") = "8"
    & skf18("5","3","8","7","7","10","1") = "9"
    & skf18("5","3","8","7","8","1","1") = "7"
    & skf18("5","3","8","7","8","2","1") = "7"
    & skf18("5","3","8","7","8","3","1") = "7"
    & skf18("5","3","8","7","8","4","1") = "7"
    & skf18("5","3","8","7","8","5","1") = "7"
    & skf18("5","3","8","7","8","6","1") = "7"
    & skf18("5","3","8","7","8","7","1") = "7"
    & skf18("5","3","8","7","8","8","1") = "7"
    & skf18("5","3","8","7","8","9","1") = "8"
    & skf18("5","3","8","7","8","10","1") = "9"
    & skf18("5","3","8","7","9","1","1") = "8"
    & skf18("5","3","8","7","9","2","1") = "8"
    & skf18("5","3","8","7","9","3","1") = "8"
    & skf18("5","3","8","7","9","4","1") = "8"
    & skf18("5","3","8","7","9","5","1") = "8"
    & skf18("5","3","8","7","9","6","1") = "8"
    & skf18("5","3","8","7","9","7","1") = "8"
    & skf18("5","3","8","7","9","8","1") = "8"
    & skf18("5","3","8","7","9","9","1") = "8"
    & skf18("5","3","8","7","9","10","1") = "9"
    & skf18("5","3","8","7","10","1","1") = "9"
    & skf18("5","3","8","7","10","2","1") = "9"
    & skf18("5","3","8","7","10","3","1") = "9"
    & skf18("5","3","8","7","10","4","1") = "9"
    & skf18("5","3","8","7","10","5","1") = "9"
    & skf18("5","3","8","7","10","6","1") = "9"
    & skf18("5","3","8","7","10","7","1") = "9"
    & skf18("5","3","8","7","10","8","1") = "9"
    & skf18("5","3","8","7","10","9","1") = "9"
    & skf18("5","3","8","7","10","10","1") = "9"
    & skf18("5","3","8","8","1","1","1") = "7"
    & skf18("5","3","8","8","1","2","1") = "7"
    & skf18("5","3","8","8","1","3","1") = "7"
    & skf18("5","3","8","8","1","4","1") = "7"
    & skf18("5","3","8","8","1","5","1") = "7"
    & skf18("5","3","8","8","1","6","1") = "7"
    & skf18("5","3","8","8","1","7","1") = "7"
    & skf18("5","3","8","8","1","8","1") = "7"
    & skf18("5","3","8","8","1","9","1") = "8"
    & skf18("5","3","8","8","1","10","1") = "9"
    & skf18("5","3","8","8","2","1","1") = "7"
    & skf18("5","3","8","8","2","2","1") = "7"
    & skf18("5","3","8","8","2","3","1") = "7"
    & skf18("5","3","8","8","2","4","1") = "7"
    & skf18("5","3","8","8","2","5","1") = "7"
    & skf18("5","3","8","8","2","6","1") = "7"
    & skf18("5","3","8","8","2","7","1") = "7"
    & skf18("5","3","8","8","2","8","1") = "7"
    & skf18("5","3","8","8","2","9","1") = "8"
    & skf18("5","3","8","8","2","10","1") = "9"
    & skf18("5","3","8","8","3","1","1") = "7"
    & skf18("5","3","8","8","3","2","1") = "7"
    & skf18("5","3","8","8","3","3","1") = "7"
    & skf18("5","3","8","8","3","4","1") = "7"
    & skf18("5","3","8","8","3","5","1") = "7"
    & skf18("5","3","8","8","3","6","1") = "7"
    & skf18("5","3","8","8","3","7","1") = "7"
    & skf18("5","3","8","8","3","8","1") = "7"
    & skf18("5","3","8","8","3","9","1") = "8"
    & skf18("5","3","8","8","3","10","1") = "9"
    & skf18("5","3","8","8","4","1","1") = "7"
    & skf18("5","3","8","8","4","2","1") = "7"
    & skf18("5","3","8","8","4","3","1") = "7"
    & skf18("5","3","8","8","4","4","1") = "7"
    & skf18("5","3","8","8","4","5","1") = "7"
    & skf18("5","3","8","8","4","6","1") = "7"
    & skf18("5","3","8","8","4","7","1") = "7"
    & skf18("5","3","8","8","4","8","1") = "7"
    & skf18("5","3","8","8","4","9","1") = "8"
    & skf18("5","3","8","8","4","10","1") = "9"
    & skf18("5","3","8","8","5","1","1") = "7"
    & skf18("5","3","8","8","5","2","1") = "7"
    & skf18("5","3","8","8","5","3","1") = "7"
    & skf18("5","3","8","8","5","4","1") = "7"
    & skf18("5","3","8","8","5","5","1") = "7"
    & skf18("5","3","8","8","5","6","1") = "7"
    & skf18("5","3","8","8","5","7","1") = "7"
    & skf18("5","3","8","8","5","8","1") = "7"
    & skf18("5","3","8","8","5","9","1") = "8"
    & skf18("5","3","8","8","5","10","1") = "9"
    & skf18("5","3","8","8","6","1","1") = "7"
    & skf18("5","3","8","8","6","2","1") = "7"
    & skf18("5","3","8","8","6","3","1") = "7"
    & skf18("5","3","8","8","6","4","1") = "7"
    & skf18("5","3","8","8","6","5","1") = "7"
    & skf18("5","3","8","8","6","6","1") = "7"
    & skf18("5","3","8","8","6","7","1") = "7"
    & skf18("5","3","8","8","6","8","1") = "7"
    & skf18("5","3","8","8","6","9","1") = "8"
    & skf18("5","3","8","8","6","10","1") = "9"
    & skf18("5","3","8","8","7","1","1") = "7"
    & skf18("5","3","8","8","7","2","1") = "7"
    & skf18("5","3","8","8","7","3","1") = "7"
    & skf18("5","3","8","8","7","4","1") = "7"
    & skf18("5","3","8","8","7","5","1") = "7"
    & skf18("5","3","8","8","7","6","1") = "7"
    & skf18("5","3","8","8","7","7","1") = "7"
    & skf18("5","3","8","8","7","8","1") = "7"
    & skf18("5","3","8","8","7","9","1") = "8"
    & skf18("5","3","8","8","7","10","1") = "9"
    & skf18("5","3","8","8","8","1","1") = "7"
    & skf18("5","3","8","8","8","2","1") = "7"
    & skf18("5","3","8","8","8","3","1") = "7"
    & skf18("5","3","8","8","8","4","1") = "7"
    & skf18("5","3","8","8","8","5","1") = "7"
    & skf18("5","3","8","8","8","6","1") = "7"
    & skf18("5","3","8","8","8","7","1") = "7"
    & skf18("5","3","8","8","8","8","1") = "7"
    & skf18("5","3","8","8","8","9","1") = "8"
    & skf18("5","3","8","8","8","10","1") = "9"
    & skf18("5","3","8","8","9","1","1") = "8"
    & skf18("5","3","8","8","9","2","1") = "8"
    & skf18("5","3","8","8","9","3","1") = "8"
    & skf18("5","3","8","8","9","4","1") = "8"
    & skf18("5","3","8","8","9","5","1") = "8"
    & skf18("5","3","8","8","9","6","1") = "8"
    & skf18("5","3","8","8","9","7","1") = "8"
    & skf18("5","3","8","8","9","8","1") = "8"
    & skf18("5","3","8","8","9","9","1") = "8"
    & skf18("5","3","8","8","9","10","1") = "9"
    & skf18("5","3","8","8","10","1","1") = "9"
    & skf18("5","3","8","8","10","2","1") = "9"
    & skf18("5","3","8","8","10","3","1") = "9"
    & skf18("5","3","8","8","10","4","1") = "9"
    & skf18("5","3","8","8","10","5","1") = "9"
    & skf18("5","3","8","8","10","6","1") = "9"
    & skf18("5","3","8","8","10","7","1") = "9"
    & skf18("5","3","8","8","10","8","1") = "9"
    & skf18("5","3","8","8","10","9","1") = "9"
    & skf18("5","3","8","8","10","10","1") = "9"
    & skf18("5","3","8","9","1","1","1") = "8"
    & skf18("5","3","8","9","1","2","1") = "8"
    & skf18("5","3","8","9","1","3","1") = "8"
    & skf18("5","3","8","9","1","4","1") = "8"
    & skf18("5","3","8","9","1","5","1") = "8"
    & skf18("5","3","8","9","1","6","1") = "8"
    & skf18("5","3","8","9","1","7","1") = "8"
    & skf18("5","3","8","9","1","8","1") = "8"
    & skf18("5","3","8","9","1","9","1") = "8"
    & skf18("5","3","8","9","1","10","1") = "9"
    & skf18("5","3","8","9","2","1","1") = "8"
    & skf18("5","3","8","9","2","2","1") = "8"
    & skf18("5","3","8","9","2","3","1") = "8"
    & skf18("5","3","8","9","2","4","1") = "8"
    & skf18("5","3","8","9","2","5","1") = "8"
    & skf18("5","3","8","9","2","6","1") = "8"
    & skf18("5","3","8","9","2","7","1") = "8"
    & skf18("5","3","8","9","2","8","1") = "8"
    & skf18("5","3","8","9","2","9","1") = "8"
    & skf18("5","3","8","9","2","10","1") = "9"
    & skf18("5","3","8","9","3","1","1") = "8"
    & skf18("5","3","8","9","3","2","1") = "8"
    & skf18("5","3","8","9","3","3","1") = "8"
    & skf18("5","3","8","9","3","4","1") = "8"
    & skf18("5","3","8","9","3","5","1") = "8"
    & skf18("5","3","8","9","3","6","1") = "8"
    & skf18("5","3","8","9","3","7","1") = "8"
    & skf18("5","3","8","9","3","8","1") = "8"
    & skf18("5","3","8","9","3","9","1") = "8"
    & skf18("5","3","8","9","3","10","1") = "9"
    & skf18("5","3","8","9","4","1","1") = "8"
    & skf18("5","3","8","9","4","2","1") = "8"
    & skf18("5","3","8","9","4","3","1") = "8"
    & skf18("5","3","8","9","4","4","1") = "8"
    & skf18("5","3","8","9","4","5","1") = "8"
    & skf18("5","3","8","9","4","6","1") = "8"
    & skf18("5","3","8","9","4","7","1") = "8"
    & skf18("5","3","8","9","4","8","1") = "8"
    & skf18("5","3","8","9","4","9","1") = "8"
    & skf18("5","3","8","9","4","10","1") = "9"
    & skf18("5","3","8","9","5","1","1") = "8"
    & skf18("5","3","8","9","5","2","1") = "8"
    & skf18("5","3","8","9","5","3","1") = "8"
    & skf18("5","3","8","9","5","4","1") = "8"
    & skf18("5","3","8","9","5","5","1") = "8"
    & skf18("5","3","8","9","5","6","1") = "8"
    & skf18("5","3","8","9","5","7","1") = "8"
    & skf18("5","3","8","9","5","8","1") = "8"
    & skf18("5","3","8","9","5","9","1") = "8"
    & skf18("5","3","8","9","5","10","1") = "9"
    & skf18("5","3","8","9","6","1","1") = "8"
    & skf18("5","3","8","9","6","2","1") = "8"
    & skf18("5","3","8","9","6","3","1") = "8"
    & skf18("5","3","8","9","6","4","1") = "8"
    & skf18("5","3","8","9","6","5","1") = "8"
    & skf18("5","3","8","9","6","6","1") = "8"
    & skf18("5","3","8","9","6","7","1") = "8"
    & skf18("5","3","8","9","6","8","1") = "8"
    & skf18("5","3","8","9","6","9","1") = "8"
    & skf18("5","3","8","9","6","10","1") = "9"
    & skf18("5","3","8","9","7","1","1") = "8"
    & skf18("5","3","8","9","7","2","1") = "8"
    & skf18("5","3","8","9","7","3","1") = "8"
    & skf18("5","3","8","9","7","4","1") = "8"
    & skf18("5","3","8","9","7","5","1") = "8"
    & skf18("5","3","8","9","7","6","1") = "8"
    & skf18("5","3","8","9","7","7","1") = "8"
    & skf18("5","3","8","9","7","8","1") = "8"
    & skf18("5","3","8","9","7","9","1") = "8"
    & skf18("5","3","8","9","7","10","1") = "9"
    & skf18("5","3","8","9","8","1","1") = "8"
    & skf18("5","3","8","9","8","2","1") = "8"
    & skf18("5","3","8","9","8","3","1") = "8"
    & skf18("5","3","8","9","8","4","1") = "8"
    & skf18("5","3","8","9","8","5","1") = "8"
    & skf18("5","3","8","9","8","6","1") = "8"
    & skf18("5","3","8","9","8","7","1") = "8"
    & skf18("5","3","8","9","8","8","1") = "8"
    & skf18("5","3","8","9","8","9","1") = "8"
    & skf18("5","3","8","9","8","10","1") = "9"
    & skf18("5","3","8","9","9","1","1") = "8"
    & skf18("5","3","8","9","9","2","1") = "8"
    & skf18("5","3","8","9","9","3","1") = "8"
    & skf18("5","3","8","9","9","4","1") = "8"
    & skf18("5","3","8","9","9","5","1") = "8"
    & skf18("5","3","8","9","9","6","1") = "8"
    & skf18("5","3","8","9","9","7","1") = "8"
    & skf18("5","3","8","9","9","8","1") = "8"
    & skf18("5","3","8","9","9","9","1") = "8"
    & skf18("5","3","8","9","9","10","1") = "9"
    & skf18("5","3","8","9","10","1","1") = "9"
    & skf18("5","3","8","9","10","2","1") = "9"
    & skf18("5","3","8","9","10","3","1") = "9"
    & skf18("5","3","8","9","10","4","1") = "9"
    & skf18("5","3","8","9","10","5","1") = "9"
    & skf18("5","3","8","9","10","6","1") = "9"
    & skf18("5","3","8","9","10","7","1") = "9"
    & skf18("5","3","8","9","10","8","1") = "9"
    & skf18("5","3","8","9","10","9","1") = "9"
    & skf18("5","3","8","9","10","10","1") = "9"
    & skf18("5","3","8","10","1","1","1") = "9"
    & skf18("5","3","8","10","1","2","1") = "9"
    & skf18("5","3","8","10","1","3","1") = "9"
    & skf18("5","3","8","10","1","4","1") = "9"
    & skf18("5","3","8","10","1","5","1") = "9"
    & skf18("5","3","8","10","1","6","1") = "9"
    & skf18("5","3","8","10","1","7","1") = "9"
    & skf18("5","3","8","10","1","8","1") = "9"
    & skf18("5","3","8","10","1","9","1") = "9"
    & skf18("5","3","8","10","1","10","1") = "9"
    & skf18("5","3","8","10","2","1","1") = "9"
    & skf18("5","3","8","10","2","2","1") = "9"
    & skf18("5","3","8","10","2","3","1") = "9"
    & skf18("5","3","8","10","2","4","1") = "9"
    & skf18("5","3","8","10","2","5","1") = "9"
    & skf18("5","3","8","10","2","6","1") = "9"
    & skf18("5","3","8","10","2","7","1") = "9"
    & skf18("5","3","8","10","2","8","1") = "9"
    & skf18("5","3","8","10","2","9","1") = "9"
    & skf18("5","3","8","10","2","10","1") = "9"
    & skf18("5","3","8","10","3","1","1") = "9"
    & skf18("5","3","8","10","3","2","1") = "9"
    & skf18("5","3","8","10","3","3","1") = "9"
    & skf18("5","3","8","10","3","4","1") = "9"
    & skf18("5","3","8","10","3","5","1") = "9"
    & skf18("5","3","8","10","3","6","1") = "9"
    & skf18("5","3","8","10","3","7","1") = "9"
    & skf18("5","3","8","10","3","8","1") = "9"
    & skf18("5","3","8","10","3","9","1") = "9"
    & skf18("5","3","8","10","3","10","1") = "9"
    & skf18("5","3","8","10","4","1","1") = "9"
    & skf18("5","3","8","10","4","2","1") = "9"
    & skf18("5","3","8","10","4","3","1") = "9"
    & skf18("5","3","8","10","4","4","1") = "9"
    & skf18("5","3","8","10","4","5","1") = "9"
    & skf18("5","3","8","10","4","6","1") = "9"
    & skf18("5","3","8","10","4","7","1") = "9"
    & skf18("5","3","8","10","4","8","1") = "9"
    & skf18("5","3","8","10","4","9","1") = "9"
    & skf18("5","3","8","10","4","10","1") = "9"
    & skf18("5","3","8","10","5","1","1") = "9"
    & skf18("5","3","8","10","5","2","1") = "9"
    & skf18("5","3","8","10","5","3","1") = "9"
    & skf18("5","3","8","10","5","4","1") = "9"
    & skf18("5","3","8","10","5","5","1") = "9"
    & skf18("5","3","8","10","5","6","1") = "9"
    & skf18("5","3","8","10","5","7","1") = "9"
    & skf18("5","3","8","10","5","8","1") = "9"
    & skf18("5","3","8","10","5","9","1") = "9"
    & skf18("5","3","8","10","5","10","1") = "9"
    & skf18("5","3","8","10","6","1","1") = "9"
    & skf18("5","3","8","10","6","2","1") = "9"
    & skf18("5","3","8","10","6","3","1") = "9"
    & skf18("5","3","8","10","6","4","1") = "9"
    & skf18("5","3","8","10","6","5","1") = "9"
    & skf18("5","3","8","10","6","6","1") = "9"
    & skf18("5","3","8","10","6","7","1") = "9"
    & skf18("5","3","8","10","6","8","1") = "9"
    & skf18("5","3","8","10","6","9","1") = "9"
    & skf18("5","3","8","10","6","10","1") = "9"
    & skf18("5","3","8","10","7","1","1") = "9"
    & skf18("5","3","8","10","7","2","1") = "9"
    & skf18("5","3","8","10","7","3","1") = "9"
    & skf18("5","3","8","10","7","4","1") = "9"
    & skf18("5","3","8","10","7","5","1") = "9"
    & skf18("5","3","8","10","7","6","1") = "9"
    & skf18("5","3","8","10","7","7","1") = "9"
    & skf18("5","3","8","10","7","8","1") = "9"
    & skf18("5","3","8","10","7","9","1") = "9"
    & skf18("5","3","8","10","7","10","1") = "9"
    & skf18("5","3","8","10","8","1","1") = "9"
    & skf18("5","3","8","10","8","2","1") = "9"
    & skf18("5","3","8","10","8","3","1") = "9"
    & skf18("5","3","8","10","8","4","1") = "9"
    & skf18("5","3","8","10","8","5","1") = "9"
    & skf18("5","3","8","10","8","6","1") = "9"
    & skf18("5","3","8","10","8","7","1") = "9"
    & skf18("5","3","8","10","8","8","1") = "9"
    & skf18("5","3","8","10","8","9","1") = "9"
    & skf18("5","3","8","10","8","10","1") = "9"
    & skf18("5","3","8","10","9","1","1") = "9"
    & skf18("5","3","8","10","9","2","1") = "9"
    & skf18("5","3","8","10","9","3","1") = "9"
    & skf18("5","3","8","10","9","4","1") = "9"
    & skf18("5","3","8","10","9","5","1") = "9"
    & skf18("5","3","8","10","9","6","1") = "9"
    & skf18("5","3","8","10","9","7","1") = "9"
    & skf18("5","3","8","10","9","8","1") = "9"
    & skf18("5","3","8","10","9","9","1") = "9"
    & skf18("5","3","8","10","9","10","1") = "9"
    & skf18("5","3","8","10","10","1","1") = "9"
    & skf18("5","3","8","10","10","2","1") = "9"
    & skf18("5","3","8","10","10","3","1") = "9"
    & skf18("5","3","8","10","10","4","1") = "9"
    & skf18("5","3","8","10","10","5","1") = "9"
    & skf18("5","3","8","10","10","6","1") = "9"
    & skf18("5","3","8","10","10","7","1") = "9"
    & skf18("5","3","8","10","10","8","1") = "9"
    & skf18("5","3","8","10","10","9","1") = "9"
    & skf18("5","3","8","10","10","10","1") = "9"
    & skf18("5","3","9","1","1","1","1") = "8"
    & skf18("5","3","9","1","1","2","1") = "8"
    & skf18("5","3","9","1","1","3","1") = "8"
    & skf18("5","3","9","1","1","4","1") = "8"
    & skf18("5","3","9","1","1","5","1") = "8"
    & skf18("5","3","9","1","1","6","1") = "8"
    & skf18("5","3","9","1","1","7","1") = "8"
    & skf18("5","3","9","1","1","8","1") = "8"
    & skf18("5","3","9","1","1","9","1") = "8"
    & skf18("5","3","9","1","1","10","1") = "9"
    & skf18("5","3","9","1","2","1","1") = "8"
    & skf18("5","3","9","1","2","2","1") = "8"
    & skf18("5","3","9","1","2","3","1") = "8"
    & skf18("5","3","9","1","2","4","1") = "8"
    & skf18("5","3","9","1","2","5","1") = "8"
    & skf18("5","3","9","1","2","6","1") = "8"
    & skf18("5","3","9","1","2","7","1") = "8"
    & skf18("5","3","9","1","2","8","1") = "8"
    & skf18("5","3","9","1","2","9","1") = "8"
    & skf18("5","3","9","1","2","10","1") = "9"
    & skf18("5","3","9","1","3","1","1") = "8"
    & skf18("5","3","9","1","3","2","1") = "8"
    & skf18("5","3","9","1","3","3","1") = "8"
    & skf18("5","3","9","1","3","4","1") = "8"
    & skf18("5","3","9","1","3","5","1") = "8"
    & skf18("5","3","9","1","3","6","1") = "8"
    & skf18("5","3","9","1","3","7","1") = "8"
    & skf18("5","3","9","1","3","8","1") = "8"
    & skf18("5","3","9","1","3","9","1") = "8"
    & skf18("5","3","9","1","3","10","1") = "9"
    & skf18("5","3","9","1","4","1","1") = "8"
    & skf18("5","3","9","1","4","2","1") = "8"
    & skf18("5","3","9","1","4","3","1") = "8"
    & skf18("5","3","9","1","4","4","1") = "8"
    & skf18("5","3","9","1","4","5","1") = "8"
    & skf18("5","3","9","1","4","6","1") = "8"
    & skf18("5","3","9","1","4","7","1") = "8"
    & skf18("5","3","9","1","4","8","1") = "8"
    & skf18("5","3","9","1","4","9","1") = "8"
    & skf18("5","3","9","1","4","10","1") = "9"
    & skf18("5","3","9","1","5","1","1") = "8"
    & skf18("5","3","9","1","5","2","1") = "8"
    & skf18("5","3","9","1","5","3","1") = "8"
    & skf18("5","3","9","1","5","4","1") = "8"
    & skf18("5","3","9","1","5","5","1") = "8"
    & skf18("5","3","9","1","5","6","1") = "8"
    & skf18("5","3","9","1","5","7","1") = "8"
    & skf18("5","3","9","1","5","8","1") = "8"
    & skf18("5","3","9","1","5","9","1") = "8"
    & skf18("5","3","9","1","5","10","1") = "9"
    & skf18("5","3","9","1","6","1","1") = "8"
    & skf18("5","3","9","1","6","2","1") = "8"
    & skf18("5","3","9","1","6","3","1") = "8"
    & skf18("5","3","9","1","6","4","1") = "8"
    & skf18("5","3","9","1","6","5","1") = "8"
    & skf18("5","3","9","1","6","6","1") = "8"
    & skf18("5","3","9","1","6","7","1") = "8"
    & skf18("5","3","9","1","6","8","1") = "8"
    & skf18("5","3","9","1","6","9","1") = "8"
    & skf18("5","3","9","1","6","10","1") = "9"
    & skf18("5","3","9","1","7","1","1") = "8"
    & skf18("5","3","9","1","7","2","1") = "8"
    & skf18("5","3","9","1","7","3","1") = "8"
    & skf18("5","3","9","1","7","4","1") = "8"
    & skf18("5","3","9","1","7","5","1") = "8"
    & skf18("5","3","9","1","7","6","1") = "8"
    & skf18("5","3","9","1","7","7","1") = "8"
    & skf18("5","3","9","1","7","8","1") = "8"
    & skf18("5","3","9","1","7","9","1") = "8"
    & skf18("5","3","9","1","7","10","1") = "9"
    & skf18("5","3","9","1","8","1","1") = "8"
    & skf18("5","3","9","1","8","2","1") = "8"
    & skf18("5","3","9","1","8","3","1") = "8"
    & skf18("5","3","9","1","8","4","1") = "8"
    & skf18("5","3","9","1","8","5","1") = "8"
    & skf18("5","3","9","1","8","6","1") = "8"
    & skf18("5","3","9","1","8","7","1") = "8"
    & skf18("5","3","9","1","8","8","1") = "8"
    & skf18("5","3","9","1","8","9","1") = "8"
    & skf18("5","3","9","1","8","10","1") = "9"
    & skf18("5","3","9","1","9","1","1") = "8"
    & skf18("5","3","9","1","9","2","1") = "8"
    & skf18("5","3","9","1","9","3","1") = "8"
    & skf18("5","3","9","1","9","4","1") = "8"
    & skf18("5","3","9","1","9","5","1") = "8"
    & skf18("5","3","9","1","9","6","1") = "8"
    & skf18("5","3","9","1","9","7","1") = "8"
    & skf18("5","3","9","1","9","8","1") = "8"
    & skf18("5","3","9","1","9","9","1") = "8"
    & skf18("5","3","9","1","9","10","1") = "9"
    & skf18("5","3","9","1","10","1","1") = "9"
    & skf18("5","3","9","1","10","2","1") = "9"
    & skf18("5","3","9","1","10","3","1") = "9"
    & skf18("5","3","9","1","10","4","1") = "9"
    & skf18("5","3","9","1","10","5","1") = "9"
    & skf18("5","3","9","1","10","6","1") = "9"
    & skf18("5","3","9","1","10","7","1") = "9"
    & skf18("5","3","9","1","10","8","1") = "9"
    & skf18("5","3","9","1","10","9","1") = "9"
    & skf18("5","3","9","1","10","10","1") = "9"
    & skf18("5","3","9","2","1","1","1") = "8"
    & skf18("5","3","9","2","1","2","1") = "8"
    & skf18("5","3","9","2","1","3","1") = "8"
    & skf18("5","3","9","2","1","4","1") = "8"
    & skf18("5","3","9","2","1","5","1") = "8"
    & skf18("5","3","9","2","1","6","1") = "8"
    & skf18("5","3","9","2","1","7","1") = "8"
    & skf18("5","3","9","2","1","8","1") = "8"
    & skf18("5","3","9","2","1","9","1") = "8"
    & skf18("5","3","9","2","1","10","1") = "9"
    & skf18("5","3","9","2","2","1","1") = "8"
    & skf18("5","3","9","2","2","2","1") = "8"
    & skf18("5","3","9","2","2","3","1") = "8"
    & skf18("5","3","9","2","2","4","1") = "8"
    & skf18("5","3","9","2","2","5","1") = "8"
    & skf18("5","3","9","2","2","6","1") = "8"
    & skf18("5","3","9","2","2","7","1") = "8"
    & skf18("5","3","9","2","2","8","1") = "8"
    & skf18("5","3","9","2","2","9","1") = "8"
    & skf18("5","3","9","2","2","10","1") = "9"
    & skf18("5","3","9","2","3","1","1") = "8"
    & skf18("5","3","9","2","3","2","1") = "8"
    & skf18("5","3","9","2","3","3","1") = "8"
    & skf18("5","3","9","2","3","4","1") = "8"
    & skf18("5","3","9","2","3","5","1") = "8"
    & skf18("5","3","9","2","3","6","1") = "8"
    & skf18("5","3","9","2","3","7","1") = "8"
    & skf18("5","3","9","2","3","8","1") = "8"
    & skf18("5","3","9","2","3","9","1") = "8"
    & skf18("5","3","9","2","3","10","1") = "9"
    & skf18("5","3","9","2","4","1","1") = "8"
    & skf18("5","3","9","2","4","2","1") = "8"
    & skf18("5","3","9","2","4","3","1") = "8"
    & skf18("5","3","9","2","4","4","1") = "8"
    & skf18("5","3","9","2","4","5","1") = "8"
    & skf18("5","3","9","2","4","6","1") = "8"
    & skf18("5","3","9","2","4","7","1") = "8"
    & skf18("5","3","9","2","4","8","1") = "8"
    & skf18("5","3","9","2","4","9","1") = "8"
    & skf18("5","3","9","2","4","10","1") = "9"
    & skf18("5","3","9","2","5","1","1") = "8"
    & skf18("5","3","9","2","5","2","1") = "8"
    & skf18("5","3","9","2","5","3","1") = "8"
    & skf18("5","3","9","2","5","4","1") = "8"
    & skf18("5","3","9","2","5","5","1") = "8"
    & skf18("5","3","9","2","5","6","1") = "8"
    & skf18("5","3","9","2","5","7","1") = "8"
    & skf18("5","3","9","2","5","8","1") = "8"
    & skf18("5","3","9","2","5","9","1") = "8"
    & skf18("5","3","9","2","5","10","1") = "9"
    & skf18("5","3","9","2","6","1","1") = "8"
    & skf18("5","3","9","2","6","2","1") = "8"
    & skf18("5","3","9","2","6","3","1") = "8"
    & skf18("5","3","9","2","6","4","1") = "8"
    & skf18("5","3","9","2","6","5","1") = "8"
    & skf18("5","3","9","2","6","6","1") = "8"
    & skf18("5","3","9","2","6","7","1") = "8"
    & skf18("5","3","9","2","6","8","1") = "8"
    & skf18("5","3","9","2","6","9","1") = "8"
    & skf18("5","3","9","2","6","10","1") = "9"
    & skf18("5","3","9","2","7","1","1") = "8"
    & skf18("5","3","9","2","7","2","1") = "8"
    & skf18("5","3","9","2","7","3","1") = "8"
    & skf18("5","3","9","2","7","4","1") = "8"
    & skf18("5","3","9","2","7","5","1") = "8"
    & skf18("5","3","9","2","7","6","1") = "8"
    & skf18("5","3","9","2","7","7","1") = "8"
    & skf18("5","3","9","2","7","8","1") = "8"
    & skf18("5","3","9","2","7","9","1") = "8"
    & skf18("5","3","9","2","7","10","1") = "9"
    & skf18("5","3","9","2","8","1","1") = "8"
    & skf18("5","3","9","2","8","2","1") = "8"
    & skf18("5","3","9","2","8","3","1") = "8"
    & skf18("5","3","9","2","8","4","1") = "8"
    & skf18("5","3","9","2","8","5","1") = "8"
    & skf18("5","3","9","2","8","6","1") = "8"
    & skf18("5","3","9","2","8","7","1") = "8"
    & skf18("5","3","9","2","8","8","1") = "8"
    & skf18("5","3","9","2","8","9","1") = "8"
    & skf18("5","3","9","2","8","10","1") = "9"
    & skf18("5","3","9","2","9","1","1") = "8"
    & skf18("5","3","9","2","9","2","1") = "8"
    & skf18("5","3","9","2","9","3","1") = "8"
    & skf18("5","3","9","2","9","4","1") = "8"
    & skf18("5","3","9","2","9","5","1") = "8"
    & skf18("5","3","9","2","9","6","1") = "8"
    & skf18("5","3","9","2","9","7","1") = "8"
    & skf18("5","3","9","2","9","8","1") = "8"
    & skf18("5","3","9","2","9","9","1") = "8"
    & skf18("5","3","9","2","9","10","1") = "9"
    & skf18("5","3","9","2","10","1","1") = "9"
    & skf18("5","3","9","2","10","2","1") = "9"
    & skf18("5","3","9","2","10","3","1") = "9"
    & skf18("5","3","9","2","10","4","1") = "9"
    & skf18("5","3","9","2","10","5","1") = "9"
    & skf18("5","3","9","2","10","6","1") = "9"
    & skf18("5","3","9","2","10","7","1") = "9"
    & skf18("5","3","9","2","10","8","1") = "9"
    & skf18("5","3","9","2","10","9","1") = "9"
    & skf18("5","3","9","2","10","10","1") = "9"
    & skf18("5","3","9","3","1","1","1") = "8"
    & skf18("5","3","9","3","1","2","1") = "8"
    & skf18("5","3","9","3","1","3","1") = "8"
    & skf18("5","3","9","3","1","4","1") = "8"
    & skf18("5","3","9","3","1","5","1") = "8"
    & skf18("5","3","9","3","1","6","1") = "8"
    & skf18("5","3","9","3","1","7","1") = "8"
    & skf18("5","3","9","3","1","8","1") = "8"
    & skf18("5","3","9","3","1","9","1") = "8"
    & skf18("5","3","9","3","1","10","1") = "9"
    & skf18("5","3","9","3","2","1","1") = "8"
    & skf18("5","3","9","3","2","2","1") = "8"
    & skf18("5","3","9","3","2","3","1") = "8"
    & skf18("5","3","9","3","2","4","1") = "8"
    & skf18("5","3","9","3","2","5","1") = "8"
    & skf18("5","3","9","3","2","6","1") = "8"
    & skf18("5","3","9","3","2","7","1") = "8"
    & skf18("5","3","9","3","2","8","1") = "8"
    & skf18("5","3","9","3","2","9","1") = "8"
    & skf18("5","3","9","3","2","10","1") = "9"
    & skf18("5","3","9","3","3","1","1") = "8"
    & skf18("5","3","9","3","3","2","1") = "8"
    & skf18("5","3","9","3","3","3","1") = "8"
    & skf18("5","3","9","3","3","4","1") = "8"
    & skf18("5","3","9","3","3","5","1") = "8"
    & skf18("5","3","9","3","3","6","1") = "8"
    & skf18("5","3","9","3","3","7","1") = "8"
    & skf18("5","3","9","3","3","8","1") = "8"
    & skf18("5","3","9","3","3","9","1") = "8"
    & skf18("5","3","9","3","3","10","1") = "9"
    & skf18("5","3","9","3","4","1","1") = "8"
    & skf18("5","3","9","3","4","2","1") = "8"
    & skf18("5","3","9","3","4","3","1") = "8"
    & skf18("5","3","9","3","4","4","1") = "8"
    & skf18("5","3","9","3","4","5","1") = "8"
    & skf18("5","3","9","3","4","6","1") = "8"
    & skf18("5","3","9","3","4","7","1") = "8"
    & skf18("5","3","9","3","4","8","1") = "8"
    & skf18("5","3","9","3","4","9","1") = "8"
    & skf18("5","3","9","3","4","10","1") = "9"
    & skf18("5","3","9","3","5","1","1") = "8"
    & skf18("5","3","9","3","5","2","1") = "8"
    & skf18("5","3","9","3","5","3","1") = "8"
    & skf18("5","3","9","3","5","4","1") = "8"
    & skf18("5","3","9","3","5","5","1") = "8"
    & skf18("5","3","9","3","5","6","1") = "8"
    & skf18("5","3","9","3","5","7","1") = "8"
    & skf18("5","3","9","3","5","8","1") = "8"
    & skf18("5","3","9","3","5","9","1") = "8"
    & skf18("5","3","9","3","5","10","1") = "9"
    & skf18("5","3","9","3","6","1","1") = "8"
    & skf18("5","3","9","3","6","2","1") = "8"
    & skf18("5","3","9","3","6","3","1") = "8"
    & skf18("5","3","9","3","6","4","1") = "8"
    & skf18("5","3","9","3","6","5","1") = "8"
    & skf18("5","3","9","3","6","6","1") = "8"
    & skf18("5","3","9","3","6","7","1") = "8"
    & skf18("5","3","9","3","6","8","1") = "8"
    & skf18("5","3","9","3","6","9","1") = "8"
    & skf18("5","3","9","3","6","10","1") = "9"
    & skf18("5","3","9","3","7","1","1") = "8"
    & skf18("5","3","9","3","7","2","1") = "8"
    & skf18("5","3","9","3","7","3","1") = "8"
    & skf18("5","3","9","3","7","4","1") = "8"
    & skf18("5","3","9","3","7","5","1") = "8"
    & skf18("5","3","9","3","7","6","1") = "8"
    & skf18("5","3","9","3","7","7","1") = "8"
    & skf18("5","3","9","3","7","8","1") = "8"
    & skf18("5","3","9","3","7","9","1") = "8"
    & skf18("5","3","9","3","7","10","1") = "9"
    & skf18("5","3","9","3","8","1","1") = "8"
    & skf18("5","3","9","3","8","2","1") = "8"
    & skf18("5","3","9","3","8","3","1") = "8"
    & skf18("5","3","9","3","8","4","1") = "8"
    & skf18("5","3","9","3","8","5","1") = "8"
    & skf18("5","3","9","3","8","6","1") = "8"
    & skf18("5","3","9","3","8","7","1") = "8"
    & skf18("5","3","9","3","8","8","1") = "8"
    & skf18("5","3","9","3","8","9","1") = "8"
    & skf18("5","3","9","3","8","10","1") = "9"
    & skf18("5","3","9","3","9","1","1") = "8"
    & skf18("5","3","9","3","9","2","1") = "8"
    & skf18("5","3","9","3","9","3","1") = "8"
    & skf18("5","3","9","3","9","4","1") = "8"
    & skf18("5","3","9","3","9","5","1") = "8"
    & skf18("5","3","9","3","9","6","1") = "8"
    & skf18("5","3","9","3","9","7","1") = "8"
    & skf18("5","3","9","3","9","8","1") = "8"
    & skf18("5","3","9","3","9","9","1") = "8"
    & skf18("5","3","9","3","9","10","1") = "9"
    & skf18("5","3","9","3","10","1","1") = "9"
    & skf18("5","3","9","3","10","2","1") = "9"
    & skf18("5","3","9","3","10","3","1") = "9"
    & skf18("5","3","9","3","10","4","1") = "9"
    & skf18("5","3","9","3","10","5","1") = "9"
    & skf18("5","3","9","3","10","6","1") = "9"
    & skf18("5","3","9","3","10","7","1") = "9"
    & skf18("5","3","9","3","10","8","1") = "9"
    & skf18("5","3","9","3","10","9","1") = "9"
    & skf18("5","3","9","3","10","10","1") = "9"
    & skf18("5","3","9","4","1","1","1") = "8"
    & skf18("5","3","9","4","1","2","1") = "8"
    & skf18("5","3","9","4","1","3","1") = "8"
    & skf18("5","3","9","4","1","4","1") = "8"
    & skf18("5","3","9","4","1","5","1") = "8"
    & skf18("5","3","9","4","1","6","1") = "8"
    & skf18("5","3","9","4","1","7","1") = "8"
    & skf18("5","3","9","4","1","8","1") = "8"
    & skf18("5","3","9","4","1","9","1") = "8"
    & skf18("5","3","9","4","1","10","1") = "9"
    & skf18("5","3","9","4","2","1","1") = "8"
    & skf18("5","3","9","4","2","2","1") = "8"
    & skf18("5","3","9","4","2","3","1") = "8"
    & skf18("5","3","9","4","2","4","1") = "8"
    & skf18("5","3","9","4","2","5","1") = "8"
    & skf18("5","3","9","4","2","6","1") = "8"
    & skf18("5","3","9","4","2","7","1") = "8"
    & skf18("5","3","9","4","2","8","1") = "8"
    & skf18("5","3","9","4","2","9","1") = "8"
    & skf18("5","3","9","4","2","10","1") = "9"
    & skf18("5","3","9","4","3","1","1") = "8"
    & skf18("5","3","9","4","3","2","1") = "8"
    & skf18("5","3","9","4","3","3","1") = "8"
    & skf18("5","3","9","4","3","4","1") = "8"
    & skf18("5","3","9","4","3","5","1") = "8"
    & skf18("5","3","9","4","3","6","1") = "8"
    & skf18("5","3","9","4","3","7","1") = "8"
    & skf18("5","3","9","4","3","8","1") = "8"
    & skf18("5","3","9","4","3","9","1") = "8"
    & skf18("5","3","9","4","3","10","1") = "9"
    & skf18("5","3","9","4","4","1","1") = "8"
    & skf18("5","3","9","4","4","2","1") = "8"
    & skf18("5","3","9","4","4","3","1") = "8"
    & skf18("5","3","9","4","4","4","1") = "8"
    & skf18("5","3","9","4","4","5","1") = "8"
    & skf18("5","3","9","4","4","6","1") = "8"
    & skf18("5","3","9","4","4","7","1") = "8"
    & skf18("5","3","9","4","4","8","1") = "8"
    & skf18("5","3","9","4","4","9","1") = "8"
    & skf18("5","3","9","4","4","10","1") = "9"
    & skf18("5","3","9","4","5","1","1") = "8"
    & skf18("5","3","9","4","5","2","1") = "8"
    & skf18("5","3","9","4","5","3","1") = "8"
    & skf18("5","3","9","4","5","4","1") = "8"
    & skf18("5","3","9","4","5","5","1") = "8"
    & skf18("5","3","9","4","5","6","1") = "8"
    & skf18("5","3","9","4","5","7","1") = "8"
    & skf18("5","3","9","4","5","8","1") = "8"
    & skf18("5","3","9","4","5","9","1") = "8"
    & skf18("5","3","9","4","5","10","1") = "9"
    & skf18("5","3","9","4","6","1","1") = "8"
    & skf18("5","3","9","4","6","2","1") = "8"
    & skf18("5","3","9","4","6","3","1") = "8"
    & skf18("5","3","9","4","6","4","1") = "8"
    & skf18("5","3","9","4","6","5","1") = "8"
    & skf18("5","3","9","4","6","6","1") = "8"
    & skf18("5","3","9","4","6","7","1") = "8"
    & skf18("5","3","9","4","6","8","1") = "8"
    & skf18("5","3","9","4","6","9","1") = "8"
    & skf18("5","3","9","4","6","10","1") = "9"
    & skf18("5","3","9","4","7","1","1") = "8"
    & skf18("5","3","9","4","7","2","1") = "8"
    & skf18("5","3","9","4","7","3","1") = "8"
    & skf18("5","3","9","4","7","4","1") = "8"
    & skf18("5","3","9","4","7","5","1") = "8"
    & skf18("5","3","9","4","7","6","1") = "8"
    & skf18("5","3","9","4","7","7","1") = "8"
    & skf18("5","3","9","4","7","8","1") = "8"
    & skf18("5","3","9","4","7","9","1") = "8"
    & skf18("5","3","9","4","7","10","1") = "9"
    & skf18("5","3","9","4","8","1","1") = "8"
    & skf18("5","3","9","4","8","2","1") = "8"
    & skf18("5","3","9","4","8","3","1") = "8"
    & skf18("5","3","9","4","8","4","1") = "8"
    & skf18("5","3","9","4","8","5","1") = "8"
    & skf18("5","3","9","4","8","6","1") = "8"
    & skf18("5","3","9","4","8","7","1") = "8"
    & skf18("5","3","9","4","8","8","1") = "8"
    & skf18("5","3","9","4","8","9","1") = "8"
    & skf18("5","3","9","4","8","10","1") = "9"
    & skf18("5","3","9","4","9","1","1") = "8"
    & skf18("5","3","9","4","9","2","1") = "8"
    & skf18("5","3","9","4","9","3","1") = "8"
    & skf18("5","3","9","4","9","4","1") = "8"
    & skf18("5","3","9","4","9","5","1") = "8"
    & skf18("5","3","9","4","9","6","1") = "8"
    & skf18("5","3","9","4","9","7","1") = "8"
    & skf18("5","3","9","4","9","8","1") = "8"
    & skf18("5","3","9","4","9","9","1") = "8"
    & skf18("5","3","9","4","9","10","1") = "9"
    & skf18("5","3","9","4","10","1","1") = "9"
    & skf18("5","3","9","4","10","2","1") = "9"
    & skf18("5","3","9","4","10","3","1") = "9"
    & skf18("5","3","9","4","10","4","1") = "9"
    & skf18("5","3","9","4","10","5","1") = "9"
    & skf18("5","3","9","4","10","6","1") = "9"
    & skf18("5","3","9","4","10","7","1") = "9"
    & skf18("5","3","9","4","10","8","1") = "9"
    & skf18("5","3","9","4","10","9","1") = "9"
    & skf18("5","3","9","4","10","10","1") = "9"
    & skf18("5","3","9","5","1","1","1") = "8"
    & skf18("5","3","9","5","1","2","1") = "8"
    & skf18("5","3","9","5","1","3","1") = "8"
    & skf18("5","3","9","5","1","4","1") = "8"
    & skf18("5","3","9","5","1","5","1") = "8"
    & skf18("5","3","9","5","1","6","1") = "8"
    & skf18("5","3","9","5","1","7","1") = "8"
    & skf18("5","3","9","5","1","8","1") = "8"
    & skf18("5","3","9","5","1","9","1") = "8"
    & skf18("5","3","9","5","1","10","1") = "9"
    & skf18("5","3","9","5","2","1","1") = "8"
    & skf18("5","3","9","5","2","2","1") = "8"
    & skf18("5","3","9","5","2","3","1") = "8"
    & skf18("5","3","9","5","2","4","1") = "8"
    & skf18("5","3","9","5","2","5","1") = "8"
    & skf18("5","3","9","5","2","6","1") = "8"
    & skf18("5","3","9","5","2","7","1") = "8"
    & skf18("5","3","9","5","2","8","1") = "8"
    & skf18("5","3","9","5","2","9","1") = "8"
    & skf18("5","3","9","5","2","10","1") = "9"
    & skf18("5","3","9","5","3","1","1") = "8"
    & skf18("5","3","9","5","3","2","1") = "8"
    & skf18("5","3","9","5","3","3","1") = "8"
    & skf18("5","3","9","5","3","4","1") = "8"
    & skf18("5","3","9","5","3","5","1") = "8"
    & skf18("5","3","9","5","3","6","1") = "8"
    & skf18("5","3","9","5","3","7","1") = "8"
    & skf18("5","3","9","5","3","8","1") = "8"
    & skf18("5","3","9","5","3","9","1") = "8"
    & skf18("5","3","9","5","3","10","1") = "9"
    & skf18("5","3","9","5","4","1","1") = "8"
    & skf18("5","3","9","5","4","2","1") = "8"
    & skf18("5","3","9","5","4","3","1") = "8"
    & skf18("5","3","9","5","4","4","1") = "8"
    & skf18("5","3","9","5","4","5","1") = "8"
    & skf18("5","3","9","5","4","6","1") = "8"
    & skf18("5","3","9","5","4","7","1") = "8"
    & skf18("5","3","9","5","4","8","1") = "8"
    & skf18("5","3","9","5","4","9","1") = "8"
    & skf18("5","3","9","5","4","10","1") = "9"
    & skf18("5","3","9","5","5","1","1") = "8"
    & skf18("5","3","9","5","5","2","1") = "8"
    & skf18("5","3","9","5","5","3","1") = "8"
    & skf18("5","3","9","5","5","4","1") = "8"
    & skf18("5","3","9","5","5","5","1") = "8"
    & skf18("5","3","9","5","5","6","1") = "8"
    & skf18("5","3","9","5","5","7","1") = "8"
    & skf18("5","3","9","5","5","8","1") = "8"
    & skf18("5","3","9","5","5","9","1") = "8"
    & skf18("5","3","9","5","5","10","1") = "9"
    & skf18("5","3","9","5","6","1","1") = "8"
    & skf18("5","3","9","5","6","2","1") = "8"
    & skf18("5","3","9","5","6","3","1") = "8"
    & skf18("5","3","9","5","6","4","1") = "8"
    & skf18("5","3","9","5","6","5","1") = "8"
    & skf18("5","3","9","5","6","6","1") = "8"
    & skf18("5","3","9","5","6","7","1") = "8"
    & skf18("5","3","9","5","6","8","1") = "8"
    & skf18("5","3","9","5","6","9","1") = "8"
    & skf18("5","3","9","5","6","10","1") = "9"
    & skf18("5","3","9","5","7","1","1") = "8"
    & skf18("5","3","9","5","7","2","1") = "8"
    & skf18("5","3","9","5","7","3","1") = "8"
    & skf18("5","3","9","5","7","4","1") = "8"
    & skf18("5","3","9","5","7","5","1") = "8"
    & skf18("5","3","9","5","7","6","1") = "8"
    & skf18("5","3","9","5","7","7","1") = "8"
    & skf18("5","3","9","5","7","8","1") = "8"
    & skf18("5","3","9","5","7","9","1") = "8"
    & skf18("5","3","9","5","7","10","1") = "9"
    & skf18("5","3","9","5","8","1","1") = "8"
    & skf18("5","3","9","5","8","2","1") = "8"
    & skf18("5","3","9","5","8","3","1") = "8"
    & skf18("5","3","9","5","8","4","1") = "8"
    & skf18("5","3","9","5","8","5","1") = "8"
    & skf18("5","3","9","5","8","6","1") = "8"
    & skf18("5","3","9","5","8","7","1") = "8"
    & skf18("5","3","9","5","8","8","1") = "8"
    & skf18("5","3","9","5","8","9","1") = "8"
    & skf18("5","3","9","5","8","10","1") = "9"
    & skf18("5","3","9","5","9","1","1") = "8"
    & skf18("5","3","9","5","9","2","1") = "8"
    & skf18("5","3","9","5","9","3","1") = "8"
    & skf18("5","3","9","5","9","4","1") = "8"
    & skf18("5","3","9","5","9","5","1") = "8"
    & skf18("5","3","9","5","9","6","1") = "8"
    & skf18("5","3","9","5","9","7","1") = "8"
    & skf18("5","3","9","5","9","8","1") = "8"
    & skf18("5","3","9","5","9","9","1") = "8"
    & skf18("5","3","9","5","9","10","1") = "9"
    & skf18("5","3","9","5","10","1","1") = "9"
    & skf18("5","3","9","5","10","2","1") = "9"
    & skf18("5","3","9","5","10","3","1") = "9"
    & skf18("5","3","9","5","10","4","1") = "9"
    & skf18("5","3","9","5","10","5","1") = "9"
    & skf18("5","3","9","5","10","6","1") = "9"
    & skf18("5","3","9","5","10","7","1") = "9"
    & skf18("5","3","9","5","10","8","1") = "9"
    & skf18("5","3","9","5","10","9","1") = "9"
    & skf18("5","3","9","5","10","10","1") = "9"
    & skf18("5","3","9","6","1","1","1") = "8"
    & skf18("5","3","9","6","1","2","1") = "8"
    & skf18("5","3","9","6","1","3","1") = "8"
    & skf18("5","3","9","6","1","4","1") = "8"
    & skf18("5","3","9","6","1","5","1") = "8"
    & skf18("5","3","9","6","1","6","1") = "8"
    & skf18("5","3","9","6","1","7","1") = "8"
    & skf18("5","3","9","6","1","8","1") = "8"
    & skf18("5","3","9","6","1","9","1") = "8"
    & skf18("5","3","9","6","1","10","1") = "9"
    & skf18("5","3","9","6","2","1","1") = "8"
    & skf18("5","3","9","6","2","2","1") = "8"
    & skf18("5","3","9","6","2","3","1") = "8"
    & skf18("5","3","9","6","2","4","1") = "8"
    & skf18("5","3","9","6","2","5","1") = "8"
    & skf18("5","3","9","6","2","6","1") = "8"
    & skf18("5","3","9","6","2","7","1") = "8"
    & skf18("5","3","9","6","2","8","1") = "8"
    & skf18("5","3","9","6","2","9","1") = "8"
    & skf18("5","3","9","6","2","10","1") = "9"
    & skf18("5","3","9","6","3","1","1") = "8"
    & skf18("5","3","9","6","3","2","1") = "8"
    & skf18("5","3","9","6","3","3","1") = "8"
    & skf18("5","3","9","6","3","4","1") = "8"
    & skf18("5","3","9","6","3","5","1") = "8"
    & skf18("5","3","9","6","3","6","1") = "8"
    & skf18("5","3","9","6","3","7","1") = "8"
    & skf18("5","3","9","6","3","8","1") = "8"
    & skf18("5","3","9","6","3","9","1") = "8"
    & skf18("5","3","9","6","3","10","1") = "9"
    & skf18("5","3","9","6","4","1","1") = "8"
    & skf18("5","3","9","6","4","2","1") = "8"
    & skf18("5","3","9","6","4","3","1") = "8"
    & skf18("5","3","9","6","4","4","1") = "8"
    & skf18("5","3","9","6","4","5","1") = "8"
    & skf18("5","3","9","6","4","6","1") = "8"
    & skf18("5","3","9","6","4","7","1") = "8"
    & skf18("5","3","9","6","4","8","1") = "8"
    & skf18("5","3","9","6","4","9","1") = "8"
    & skf18("5","3","9","6","4","10","1") = "9"
    & skf18("5","3","9","6","5","1","1") = "8"
    & skf18("5","3","9","6","5","2","1") = "8"
    & skf18("5","3","9","6","5","3","1") = "8"
    & skf18("5","3","9","6","5","4","1") = "8"
    & skf18("5","3","9","6","5","5","1") = "8"
    & skf18("5","3","9","6","5","6","1") = "8"
    & skf18("5","3","9","6","5","7","1") = "8"
    & skf18("5","3","9","6","5","8","1") = "8"
    & skf18("5","3","9","6","5","9","1") = "8"
    & skf18("5","3","9","6","5","10","1") = "9"
    & skf18("5","3","9","6","6","1","1") = "8"
    & skf18("5","3","9","6","6","2","1") = "8"
    & skf18("5","3","9","6","6","3","1") = "8"
    & skf18("5","3","9","6","6","4","1") = "8"
    & skf18("5","3","9","6","6","5","1") = "8"
    & skf18("5","3","9","6","6","6","1") = "8"
    & skf18("5","3","9","6","6","7","1") = "8"
    & skf18("5","3","9","6","6","8","1") = "8"
    & skf18("5","3","9","6","6","9","1") = "8"
    & skf18("5","3","9","6","6","10","1") = "9"
    & skf18("5","3","9","6","7","1","1") = "8"
    & skf18("5","3","9","6","7","2","1") = "8"
    & skf18("5","3","9","6","7","3","1") = "8"
    & skf18("5","3","9","6","7","4","1") = "8"
    & skf18("5","3","9","6","7","5","1") = "8"
    & skf18("5","3","9","6","7","6","1") = "8"
    & skf18("5","3","9","6","7","7","1") = "8"
    & skf18("5","3","9","6","7","8","1") = "8"
    & skf18("5","3","9","6","7","9","1") = "8"
    & skf18("5","3","9","6","7","10","1") = "9"
    & skf18("5","3","9","6","8","1","1") = "8"
    & skf18("5","3","9","6","8","2","1") = "8"
    & skf18("5","3","9","6","8","3","1") = "8"
    & skf18("5","3","9","6","8","4","1") = "8"
    & skf18("5","3","9","6","8","5","1") = "8"
    & skf18("5","3","9","6","8","6","1") = "8"
    & skf18("5","3","9","6","8","7","1") = "8"
    & skf18("5","3","9","6","8","8","1") = "8"
    & skf18("5","3","9","6","8","9","1") = "8"
    & skf18("5","3","9","6","8","10","1") = "9"
    & skf18("5","3","9","6","9","1","1") = "8"
    & skf18("5","3","9","6","9","2","1") = "8"
    & skf18("5","3","9","6","9","3","1") = "8"
    & skf18("5","3","9","6","9","4","1") = "8"
    & skf18("5","3","9","6","9","5","1") = "8"
    & skf18("5","3","9","6","9","6","1") = "8"
    & skf18("5","3","9","6","9","7","1") = "8"
    & skf18("5","3","9","6","9","8","1") = "8"
    & skf18("5","3","9","6","9","9","1") = "8"
    & skf18("5","3","9","6","9","10","1") = "9"
    & skf18("5","3","9","6","10","1","1") = "9"
    & skf18("5","3","9","6","10","2","1") = "9"
    & skf18("5","3","9","6","10","3","1") = "9"
    & skf18("5","3","9","6","10","4","1") = "9"
    & skf18("5","3","9","6","10","5","1") = "9"
    & skf18("5","3","9","6","10","6","1") = "9"
    & skf18("5","3","9","6","10","7","1") = "9"
    & skf18("5","3","9","6","10","8","1") = "9"
    & skf18("5","3","9","6","10","9","1") = "9"
    & skf18("5","3","9","6","10","10","1") = "9"
    & skf18("5","3","9","7","1","1","1") = "8"
    & skf18("5","3","9","7","1","2","1") = "8"
    & skf18("5","3","9","7","1","3","1") = "8"
    & skf18("5","3","9","7","1","4","1") = "8"
    & skf18("5","3","9","7","1","5","1") = "8"
    & skf18("5","3","9","7","1","6","1") = "8"
    & skf18("5","3","9","7","1","7","1") = "8"
    & skf18("5","3","9","7","1","8","1") = "8"
    & skf18("5","3","9","7","1","9","1") = "8"
    & skf18("5","3","9","7","1","10","1") = "9"
    & skf18("5","3","9","7","2","1","1") = "8"
    & skf18("5","3","9","7","2","2","1") = "8"
    & skf18("5","3","9","7","2","3","1") = "8"
    & skf18("5","3","9","7","2","4","1") = "8"
    & skf18("5","3","9","7","2","5","1") = "8"
    & skf18("5","3","9","7","2","6","1") = "8"
    & skf18("5","3","9","7","2","7","1") = "8"
    & skf18("5","3","9","7","2","8","1") = "8"
    & skf18("5","3","9","7","2","9","1") = "8"
    & skf18("5","3","9","7","2","10","1") = "9"
    & skf18("5","3","9","7","3","1","1") = "8"
    & skf18("5","3","9","7","3","2","1") = "8"
    & skf18("5","3","9","7","3","3","1") = "8"
    & skf18("5","3","9","7","3","4","1") = "8"
    & skf18("5","3","9","7","3","5","1") = "8"
    & skf18("5","3","9","7","3","6","1") = "8"
    & skf18("5","3","9","7","3","7","1") = "8"
    & skf18("5","3","9","7","3","8","1") = "8"
    & skf18("5","3","9","7","3","9","1") = "8"
    & skf18("5","3","9","7","3","10","1") = "9"
    & skf18("5","3","9","7","4","1","1") = "8"
    & skf18("5","3","9","7","4","2","1") = "8"
    & skf18("5","3","9","7","4","3","1") = "8"
    & skf18("5","3","9","7","4","4","1") = "8"
    & skf18("5","3","9","7","4","5","1") = "8"
    & skf18("5","3","9","7","4","6","1") = "8"
    & skf18("5","3","9","7","4","7","1") = "8"
    & skf18("5","3","9","7","4","8","1") = "8"
    & skf18("5","3","9","7","4","9","1") = "8"
    & skf18("5","3","9","7","4","10","1") = "9"
    & skf18("5","3","9","7","5","1","1") = "8"
    & skf18("5","3","9","7","5","2","1") = "8"
    & skf18("5","3","9","7","5","3","1") = "8"
    & skf18("5","3","9","7","5","4","1") = "8"
    & skf18("5","3","9","7","5","5","1") = "8"
    & skf18("5","3","9","7","5","6","1") = "8"
    & skf18("5","3","9","7","5","7","1") = "8"
    & skf18("5","3","9","7","5","8","1") = "8"
    & skf18("5","3","9","7","5","9","1") = "8"
    & skf18("5","3","9","7","5","10","1") = "9"
    & skf18("5","3","9","7","6","1","1") = "8"
    & skf18("5","3","9","7","6","2","1") = "8"
    & skf18("5","3","9","7","6","3","1") = "8"
    & skf18("5","3","9","7","6","4","1") = "8"
    & skf18("5","3","9","7","6","5","1") = "8"
    & skf18("5","3","9","7","6","6","1") = "8"
    & skf18("5","3","9","7","6","7","1") = "8"
    & skf18("5","3","9","7","6","8","1") = "8"
    & skf18("5","3","9","7","6","9","1") = "8"
    & skf18("5","3","9","7","6","10","1") = "9"
    & skf18("5","3","9","7","7","1","1") = "8"
    & skf18("5","3","9","7","7","2","1") = "8"
    & skf18("5","3","9","7","7","3","1") = "8"
    & skf18("5","3","9","7","7","4","1") = "8"
    & skf18("5","3","9","7","7","5","1") = "8"
    & skf18("5","3","9","7","7","6","1") = "8"
    & skf18("5","3","9","7","7","7","1") = "8"
    & skf18("5","3","9","7","7","8","1") = "8"
    & skf18("5","3","9","7","7","9","1") = "8"
    & skf18("5","3","9","7","7","10","1") = "9"
    & skf18("5","3","9","7","8","1","1") = "8"
    & skf18("5","3","9","7","8","2","1") = "8"
    & skf18("5","3","9","7","8","3","1") = "8"
    & skf18("5","3","9","7","8","4","1") = "8"
    & skf18("5","3","9","7","8","5","1") = "8"
    & skf18("5","3","9","7","8","6","1") = "8"
    & skf18("5","3","9","7","8","7","1") = "8"
    & skf18("5","3","9","7","8","8","1") = "8"
    & skf18("5","3","9","7","8","9","1") = "8"
    & skf18("5","3","9","7","8","10","1") = "9"
    & skf18("5","3","9","7","9","1","1") = "8"
    & skf18("5","3","9","7","9","2","1") = "8"
    & skf18("5","3","9","7","9","3","1") = "8"
    & skf18("5","3","9","7","9","4","1") = "8"
    & skf18("5","3","9","7","9","5","1") = "8"
    & skf18("5","3","9","7","9","6","1") = "8"
    & skf18("5","3","9","7","9","7","1") = "8"
    & skf18("5","3","9","7","9","8","1") = "8"
    & skf18("5","3","9","7","9","9","1") = "8"
    & skf18("5","3","9","7","9","10","1") = "9"
    & skf18("5","3","9","7","10","1","1") = "9"
    & skf18("5","3","9","7","10","2","1") = "9"
    & skf18("5","3","9","7","10","3","1") = "9"
    & skf18("5","3","9","7","10","4","1") = "9"
    & skf18("5","3","9","7","10","5","1") = "9"
    & skf18("5","3","9","7","10","6","1") = "9"
    & skf18("5","3","9","7","10","7","1") = "9"
    & skf18("5","3","9","7","10","8","1") = "9"
    & skf18("5","3","9","7","10","9","1") = "9"
    & skf18("5","3","9","7","10","10","1") = "9"
    & skf18("5","3","9","8","1","1","1") = "8"
    & skf18("5","3","9","8","1","2","1") = "8"
    & skf18("5","3","9","8","1","3","1") = "8"
    & skf18("5","3","9","8","1","4","1") = "8"
    & skf18("5","3","9","8","1","5","1") = "8"
    & skf18("5","3","9","8","1","6","1") = "8"
    & skf18("5","3","9","8","1","7","1") = "8"
    & skf18("5","3","9","8","1","8","1") = "8"
    & skf18("5","3","9","8","1","9","1") = "8"
    & skf18("5","3","9","8","1","10","1") = "9"
    & skf18("5","3","9","8","2","1","1") = "8"
    & skf18("5","3","9","8","2","2","1") = "8"
    & skf18("5","3","9","8","2","3","1") = "8"
    & skf18("5","3","9","8","2","4","1") = "8"
    & skf18("5","3","9","8","2","5","1") = "8"
    & skf18("5","3","9","8","2","6","1") = "8"
    & skf18("5","3","9","8","2","7","1") = "8"
    & skf18("5","3","9","8","2","8","1") = "8"
    & skf18("5","3","9","8","2","9","1") = "8"
    & skf18("5","3","9","8","2","10","1") = "9"
    & skf18("5","3","9","8","3","1","1") = "8"
    & skf18("5","3","9","8","3","2","1") = "8"
    & skf18("5","3","9","8","3","3","1") = "8"
    & skf18("5","3","9","8","3","4","1") = "8"
    & skf18("5","3","9","8","3","5","1") = "8"
    & skf18("5","3","9","8","3","6","1") = "8"
    & skf18("5","3","9","8","3","7","1") = "8"
    & skf18("5","3","9","8","3","8","1") = "8"
    & skf18("5","3","9","8","3","9","1") = "8"
    & skf18("5","3","9","8","3","10","1") = "9"
    & skf18("5","3","9","8","4","1","1") = "8"
    & skf18("5","3","9","8","4","2","1") = "8"
    & skf18("5","3","9","8","4","3","1") = "8"
    & skf18("5","3","9","8","4","4","1") = "8"
    & skf18("5","3","9","8","4","5","1") = "8"
    & skf18("5","3","9","8","4","6","1") = "8"
    & skf18("5","3","9","8","4","7","1") = "8"
    & skf18("5","3","9","8","4","8","1") = "8"
    & skf18("5","3","9","8","4","9","1") = "8"
    & skf18("5","3","9","8","4","10","1") = "9"
    & skf18("5","3","9","8","5","1","1") = "8"
    & skf18("5","3","9","8","5","2","1") = "8"
    & skf18("5","3","9","8","5","3","1") = "8"
    & skf18("5","3","9","8","5","4","1") = "8"
    & skf18("5","3","9","8","5","5","1") = "8"
    & skf18("5","3","9","8","5","6","1") = "8"
    & skf18("5","3","9","8","5","7","1") = "8"
    & skf18("5","3","9","8","5","8","1") = "8"
    & skf18("5","3","9","8","5","9","1") = "8"
    & skf18("5","3","9","8","5","10","1") = "9"
    & skf18("5","3","9","8","6","1","1") = "8"
    & skf18("5","3","9","8","6","2","1") = "8"
    & skf18("5","3","9","8","6","3","1") = "8"
    & skf18("5","3","9","8","6","4","1") = "8"
    & skf18("5","3","9","8","6","5","1") = "8"
    & skf18("5","3","9","8","6","6","1") = "8"
    & skf18("5","3","9","8","6","7","1") = "8"
    & skf18("5","3","9","8","6","8","1") = "8"
    & skf18("5","3","9","8","6","9","1") = "8"
    & skf18("5","3","9","8","6","10","1") = "9"
    & skf18("5","3","9","8","7","1","1") = "8"
    & skf18("5","3","9","8","7","2","1") = "8"
    & skf18("5","3","9","8","7","3","1") = "8"
    & skf18("5","3","9","8","7","4","1") = "8"
    & skf18("5","3","9","8","7","5","1") = "8"
    & skf18("5","3","9","8","7","6","1") = "8"
    & skf18("5","3","9","8","7","7","1") = "8"
    & skf18("5","3","9","8","7","8","1") = "8"
    & skf18("5","3","9","8","7","9","1") = "8"
    & skf18("5","3","9","8","7","10","1") = "9"
    & skf18("5","3","9","8","8","1","1") = "8"
    & skf18("5","3","9","8","8","2","1") = "8"
    & skf18("5","3","9","8","8","3","1") = "8"
    & skf18("5","3","9","8","8","4","1") = "8"
    & skf18("5","3","9","8","8","5","1") = "8"
    & skf18("5","3","9","8","8","6","1") = "8"
    & skf18("5","3","9","8","8","7","1") = "8"
    & skf18("5","3","9","8","8","8","1") = "8"
    & skf18("5","3","9","8","8","9","1") = "8"
    & skf18("5","3","9","8","8","10","1") = "9"
    & skf18("5","3","9","8","9","1","1") = "8"
    & skf18("5","3","9","8","9","2","1") = "8"
    & skf18("5","3","9","8","9","3","1") = "8"
    & skf18("5","3","9","8","9","4","1") = "8"
    & skf18("5","3","9","8","9","5","1") = "8"
    & skf18("5","3","9","8","9","6","1") = "8"
    & skf18("5","3","9","8","9","7","1") = "8"
    & skf18("5","3","9","8","9","8","1") = "8"
    & skf18("5","3","9","8","9","9","1") = "8"
    & skf18("5","3","9","8","9","10","1") = "9"
    & skf18("5","3","9","8","10","1","1") = "9"
    & skf18("5","3","9","8","10","2","1") = "9"
    & skf18("5","3","9","8","10","3","1") = "9"
    & skf18("5","3","9","8","10","4","1") = "9"
    & skf18("5","3","9","8","10","5","1") = "9"
    & skf18("5","3","9","8","10","6","1") = "9"
    & skf18("5","3","9","8","10","7","1") = "9"
    & skf18("5","3","9","8","10","8","1") = "9"
    & skf18("5","3","9","8","10","9","1") = "9"
    & skf18("5","3","9","8","10","10","1") = "9"
    & skf18("5","3","9","9","1","1","1") = "8"
    & skf18("5","3","9","9","1","2","1") = "8"
    & skf18("5","3","9","9","1","3","1") = "8"
    & skf18("5","3","9","9","1","4","1") = "8"
    & skf18("5","3","9","9","1","5","1") = "8"
    & skf18("5","3","9","9","1","6","1") = "8"
    & skf18("5","3","9","9","1","7","1") = "8"
    & skf18("5","3","9","9","1","8","1") = "8"
    & skf18("5","3","9","9","1","9","1") = "8"
    & skf18("5","3","9","9","1","10","1") = "9"
    & skf18("5","3","9","9","2","1","1") = "8"
    & skf18("5","3","9","9","2","2","1") = "8"
    & skf18("5","3","9","9","2","3","1") = "8"
    & skf18("5","3","9","9","2","4","1") = "8"
    & skf18("5","3","9","9","2","5","1") = "8"
    & skf18("5","3","9","9","2","6","1") = "8"
    & skf18("5","3","9","9","2","7","1") = "8"
    & skf18("5","3","9","9","2","8","1") = "8"
    & skf18("5","3","9","9","2","9","1") = "8"
    & skf18("5","3","9","9","2","10","1") = "9"
    & skf18("5","3","9","9","3","1","1") = "8"
    & skf18("5","3","9","9","3","2","1") = "8"
    & skf18("5","3","9","9","3","3","1") = "8"
    & skf18("5","3","9","9","3","4","1") = "8"
    & skf18("5","3","9","9","3","5","1") = "8"
    & skf18("5","3","9","9","3","6","1") = "8"
    & skf18("5","3","9","9","3","7","1") = "8"
    & skf18("5","3","9","9","3","8","1") = "8"
    & skf18("5","3","9","9","3","9","1") = "8"
    & skf18("5","3","9","9","3","10","1") = "9"
    & skf18("5","3","9","9","4","1","1") = "8"
    & skf18("5","3","9","9","4","2","1") = "8"
    & skf18("5","3","9","9","4","3","1") = "8"
    & skf18("5","3","9","9","4","4","1") = "8"
    & skf18("5","3","9","9","4","5","1") = "8"
    & skf18("5","3","9","9","4","6","1") = "8"
    & skf18("5","3","9","9","4","7","1") = "8"
    & skf18("5","3","9","9","4","8","1") = "8"
    & skf18("5","3","9","9","4","9","1") = "8"
    & skf18("5","3","9","9","4","10","1") = "9"
    & skf18("5","3","9","9","5","1","1") = "8"
    & skf18("5","3","9","9","5","2","1") = "8"
    & skf18("5","3","9","9","5","3","1") = "8"
    & skf18("5","3","9","9","5","4","1") = "8"
    & skf18("5","3","9","9","5","5","1") = "8"
    & skf18("5","3","9","9","5","6","1") = "8"
    & skf18("5","3","9","9","5","7","1") = "8"
    & skf18("5","3","9","9","5","8","1") = "8"
    & skf18("5","3","9","9","5","9","1") = "8"
    & skf18("5","3","9","9","5","10","1") = "9"
    & skf18("5","3","9","9","6","1","1") = "8"
    & skf18("5","3","9","9","6","2","1") = "8"
    & skf18("5","3","9","9","6","3","1") = "8"
    & skf18("5","3","9","9","6","4","1") = "8"
    & skf18("5","3","9","9","6","5","1") = "8"
    & skf18("5","3","9","9","6","6","1") = "8"
    & skf18("5","3","9","9","6","7","1") = "8"
    & skf18("5","3","9","9","6","8","1") = "8"
    & skf18("5","3","9","9","6","9","1") = "8"
    & skf18("5","3","9","9","6","10","1") = "9"
    & skf18("5","3","9","9","7","1","1") = "8"
    & skf18("5","3","9","9","7","2","1") = "8"
    & skf18("5","3","9","9","7","3","1") = "8"
    & skf18("5","3","9","9","7","4","1") = "8"
    & skf18("5","3","9","9","7","5","1") = "8"
    & skf18("5","3","9","9","7","6","1") = "8"
    & skf18("5","3","9","9","7","7","1") = "8"
    & skf18("5","3","9","9","7","8","1") = "8"
    & skf18("5","3","9","9","7","9","1") = "8"
    & skf18("5","3","9","9","7","10","1") = "9"
    & skf18("5","3","9","9","8","1","1") = "8"
    & skf18("5","3","9","9","8","2","1") = "8"
    & skf18("5","3","9","9","8","3","1") = "8"
    & skf18("5","3","9","9","8","4","1") = "8"
    & skf18("5","3","9","9","8","5","1") = "8"
    & skf18("5","3","9","9","8","6","1") = "8"
    & skf18("5","3","9","9","8","7","1") = "8"
    & skf18("5","3","9","9","8","8","1") = "8"
    & skf18("5","3","9","9","8","9","1") = "8"
    & skf18("5","3","9","9","8","10","1") = "9"
    & skf18("5","3","9","9","9","1","1") = "8"
    & skf18("5","3","9","9","9","2","1") = "8"
    & skf18("5","3","9","9","9","3","1") = "8"
    & skf18("5","3","9","9","9","4","1") = "8"
    & skf18("5","3","9","9","9","5","1") = "8"
    & skf18("5","3","9","9","9","6","1") = "8"
    & skf18("5","3","9","9","9","7","1") = "8"
    & skf18("5","3","9","9","9","8","1") = "8"
    & skf18("5","3","9","9","9","9","1") = "8"
    & skf18("5","3","9","9","9","10","1") = "9"
    & skf18("5","3","9","9","10","1","1") = "9"
    & skf18("5","3","9","9","10","2","1") = "9"
    & skf18("5","3","9","9","10","3","1") = "9"
    & skf18("5","3","9","9","10","4","1") = "9"
    & skf18("5","3","9","9","10","5","1") = "9"
    & skf18("5","3","9","9","10","6","1") = "9"
    & skf18("5","3","9","9","10","7","1") = "9"
    & skf18("5","3","9","9","10","8","1") = "9"
    & skf18("5","3","9","9","10","9","1") = "9"
    & skf18("5","3","9","9","10","10","1") = "9"
    & skf18("5","3","9","10","1","1","1") = "9"
    & skf18("5","3","9","10","1","2","1") = "9"
    & skf18("5","3","9","10","1","3","1") = "9"
    & skf18("5","3","9","10","1","4","1") = "9"
    & skf18("5","3","9","10","1","5","1") = "9"
    & skf18("5","3","9","10","1","6","1") = "9"
    & skf18("5","3","9","10","1","7","1") = "9"
    & skf18("5","3","9","10","1","8","1") = "9"
    & skf18("5","3","9","10","1","9","1") = "9"
    & skf18("5","3","9","10","1","10","1") = "9"
    & skf18("5","3","9","10","2","1","1") = "9"
    & skf18("5","3","9","10","2","2","1") = "9"
    & skf18("5","3","9","10","2","3","1") = "9"
    & skf18("5","3","9","10","2","4","1") = "9"
    & skf18("5","3","9","10","2","5","1") = "9"
    & skf18("5","3","9","10","2","6","1") = "9"
    & skf18("5","3","9","10","2","7","1") = "9"
    & skf18("5","3","9","10","2","8","1") = "9"
    & skf18("5","3","9","10","2","9","1") = "9"
    & skf18("5","3","9","10","2","10","1") = "9"
    & skf18("5","3","9","10","3","1","1") = "9"
    & skf18("5","3","9","10","3","2","1") = "9"
    & skf18("5","3","9","10","3","3","1") = "9"
    & skf18("5","3","9","10","3","4","1") = "9"
    & skf18("5","3","9","10","3","5","1") = "9"
    & skf18("5","3","9","10","3","6","1") = "9"
    & skf18("5","3","9","10","3","7","1") = "9"
    & skf18("5","3","9","10","3","8","1") = "9"
    & skf18("5","3","9","10","3","9","1") = "9"
    & skf18("5","3","9","10","3","10","1") = "9"
    & skf18("5","3","9","10","4","1","1") = "9"
    & skf18("5","3","9","10","4","2","1") = "9"
    & skf18("5","3","9","10","4","3","1") = "9"
    & skf18("5","3","9","10","4","4","1") = "9"
    & skf18("5","3","9","10","4","5","1") = "9"
    & skf18("5","3","9","10","4","6","1") = "9"
    & skf18("5","3","9","10","4","7","1") = "9"
    & skf18("5","3","9","10","4","8","1") = "9"
    & skf18("5","3","9","10","4","9","1") = "9"
    & skf18("5","3","9","10","4","10","1") = "9"
    & skf18("5","3","9","10","5","1","1") = "9"
    & skf18("5","3","9","10","5","2","1") = "9"
    & skf18("5","3","9","10","5","3","1") = "9"
    & skf18("5","3","9","10","5","4","1") = "9"
    & skf18("5","3","9","10","5","5","1") = "9"
    & skf18("5","3","9","10","5","6","1") = "9"
    & skf18("5","3","9","10","5","7","1") = "9"
    & skf18("5","3","9","10","5","8","1") = "9"
    & skf18("5","3","9","10","5","9","1") = "9"
    & skf18("5","3","9","10","5","10","1") = "9"
    & skf18("5","3","9","10","6","1","1") = "9"
    & skf18("5","3","9","10","6","2","1") = "9"
    & skf18("5","3","9","10","6","3","1") = "9"
    & skf18("5","3","9","10","6","4","1") = "9"
    & skf18("5","3","9","10","6","5","1") = "9"
    & skf18("5","3","9","10","6","6","1") = "9"
    & skf18("5","3","9","10","6","7","1") = "9"
    & skf18("5","3","9","10","6","8","1") = "9"
    & skf18("5","3","9","10","6","9","1") = "9"
    & skf18("5","3","9","10","6","10","1") = "9"
    & skf18("5","3","9","10","7","1","1") = "9"
    & skf18("5","3","9","10","7","2","1") = "9"
    & skf18("5","3","9","10","7","3","1") = "9"
    & skf18("5","3","9","10","7","4","1") = "9"
    & skf18("5","3","9","10","7","5","1") = "9"
    & skf18("5","3","9","10","7","6","1") = "9"
    & skf18("5","3","9","10","7","7","1") = "9"
    & skf18("5","3","9","10","7","8","1") = "9"
    & skf18("5","3","9","10","7","9","1") = "9"
    & skf18("5","3","9","10","7","10","1") = "9"
    & skf18("5","3","9","10","8","1","1") = "9"
    & skf18("5","3","9","10","8","2","1") = "9"
    & skf18("5","3","9","10","8","3","1") = "9"
    & skf18("5","3","9","10","8","4","1") = "9"
    & skf18("5","3","9","10","8","5","1") = "9"
    & skf18("5","3","9","10","8","6","1") = "9"
    & skf18("5","3","9","10","8","7","1") = "9"
    & skf18("5","3","9","10","8","8","1") = "9"
    & skf18("5","3","9","10","8","9","1") = "9"
    & skf18("5","3","9","10","8","10","1") = "9"
    & skf18("5","3","9","10","9","1","1") = "9"
    & skf18("5","3","9","10","9","2","1") = "9"
    & skf18("5","3","9","10","9","3","1") = "9"
    & skf18("5","3","9","10","9","4","1") = "9"
    & skf18("5","3","9","10","9","5","1") = "9"
    & skf18("5","3","9","10","9","6","1") = "9"
    & skf18("5","3","9","10","9","7","1") = "9"
    & skf18("5","3","9","10","9","8","1") = "9"
    & skf18("5","3","9","10","9","9","1") = "9"
    & skf18("5","3","9","10","9","10","1") = "9"
    & skf18("5","3","9","10","10","1","1") = "9"
    & skf18("5","3","9","10","10","2","1") = "9"
    & skf18("5","3","9","10","10","3","1") = "9"
    & skf18("5","3","9","10","10","4","1") = "9"
    & skf18("5","3","9","10","10","5","1") = "9"
    & skf18("5","3","9","10","10","6","1") = "9"
    & skf18("5","3","9","10","10","7","1") = "9"
    & skf18("5","3","9","10","10","8","1") = "9"
    & skf18("5","3","9","10","10","9","1") = "9"
    & skf18("5","3","9","10","10","10","1") = "9"
    & skf18("5","3","10","1","1","1","1") = "9"
    & skf18("5","3","10","1","1","2","1") = "9"
    & skf18("5","3","10","1","1","3","1") = "9"
    & skf18("5","3","10","1","1","4","1") = "9"
    & skf18("5","3","10","1","1","5","1") = "9"
    & skf18("5","3","10","1","1","6","1") = "9"
    & skf18("5","3","10","1","1","7","1") = "9"
    & skf18("5","3","10","1","1","8","1") = "9"
    & skf18("5","3","10","1","1","9","1") = "9"
    & skf18("5","3","10","1","1","10","1") = "9"
    & skf18("5","3","10","1","2","1","1") = "9"
    & skf18("5","3","10","1","2","2","1") = "9"
    & skf18("5","3","10","1","2","3","1") = "9"
    & skf18("5","3","10","1","2","4","1") = "9"
    & skf18("5","3","10","1","2","5","1") = "9"
    & skf18("5","3","10","1","2","6","1") = "9"
    & skf18("5","3","10","1","2","7","1") = "9"
    & skf18("5","3","10","1","2","8","1") = "9"
    & skf18("5","3","10","1","2","9","1") = "9"
    & skf18("5","3","10","1","2","10","1") = "9"
    & skf18("5","3","10","1","3","1","1") = "9"
    & skf18("5","3","10","1","3","2","1") = "9"
    & skf18("5","3","10","1","3","3","1") = "9"
    & skf18("5","3","10","1","3","4","1") = "9"
    & skf18("5","3","10","1","3","5","1") = "9"
    & skf18("5","3","10","1","3","6","1") = "9"
    & skf18("5","3","10","1","3","7","1") = "9"
    & skf18("5","3","10","1","3","8","1") = "9"
    & skf18("5","3","10","1","3","9","1") = "9"
    & skf18("5","3","10","1","3","10","1") = "9"
    & skf18("5","3","10","1","4","1","1") = "9"
    & skf18("5","3","10","1","4","2","1") = "9"
    & skf18("5","3","10","1","4","3","1") = "9"
    & skf18("5","3","10","1","4","4","1") = "9"
    & skf18("5","3","10","1","4","5","1") = "9"
    & skf18("5","3","10","1","4","6","1") = "9"
    & skf18("5","3","10","1","4","7","1") = "9"
    & skf18("5","3","10","1","4","8","1") = "9"
    & skf18("5","3","10","1","4","9","1") = "9"
    & skf18("5","3","10","1","4","10","1") = "9"
    & skf18("5","3","10","1","5","1","1") = "9"
    & skf18("5","3","10","1","5","2","1") = "9"
    & skf18("5","3","10","1","5","3","1") = "9"
    & skf18("5","3","10","1","5","4","1") = "9"
    & skf18("5","3","10","1","5","5","1") = "9"
    & skf18("5","3","10","1","5","6","1") = "9"
    & skf18("5","3","10","1","5","7","1") = "9"
    & skf18("5","3","10","1","5","8","1") = "9"
    & skf18("5","3","10","1","5","9","1") = "9"
    & skf18("5","3","10","1","5","10","1") = "9"
    & skf18("5","3","10","1","6","1","1") = "9"
    & skf18("5","3","10","1","6","2","1") = "9"
    & skf18("5","3","10","1","6","3","1") = "9"
    & skf18("5","3","10","1","6","4","1") = "9"
    & skf18("5","3","10","1","6","5","1") = "9"
    & skf18("5","3","10","1","6","6","1") = "9"
    & skf18("5","3","10","1","6","7","1") = "9"
    & skf18("5","3","10","1","6","8","1") = "9"
    & skf18("5","3","10","1","6","9","1") = "9"
    & skf18("5","3","10","1","6","10","1") = "9"
    & skf18("5","3","10","1","7","1","1") = "9"
    & skf18("5","3","10","1","7","2","1") = "9"
    & skf18("5","3","10","1","7","3","1") = "9"
    & skf18("5","3","10","1","7","4","1") = "9"
    & skf18("5","3","10","1","7","5","1") = "9"
    & skf18("5","3","10","1","7","6","1") = "9"
    & skf18("5","3","10","1","7","7","1") = "9"
    & skf18("5","3","10","1","7","8","1") = "9"
    & skf18("5","3","10","1","7","9","1") = "9"
    & skf18("5","3","10","1","7","10","1") = "9"
    & skf18("5","3","10","1","8","1","1") = "9"
    & skf18("5","3","10","1","8","2","1") = "9"
    & skf18("5","3","10","1","8","3","1") = "9"
    & skf18("5","3","10","1","8","4","1") = "9"
    & skf18("5","3","10","1","8","5","1") = "9"
    & skf18("5","3","10","1","8","6","1") = "9"
    & skf18("5","3","10","1","8","7","1") = "9"
    & skf18("5","3","10","1","8","8","1") = "9"
    & skf18("5","3","10","1","8","9","1") = "9"
    & skf18("5","3","10","1","8","10","1") = "9"
    & skf18("5","3","10","1","9","1","1") = "9"
    & skf18("5","3","10","1","9","2","1") = "9"
    & skf18("5","3","10","1","9","3","1") = "9"
    & skf18("5","3","10","1","9","4","1") = "9"
    & skf18("5","3","10","1","9","5","1") = "9"
    & skf18("5","3","10","1","9","6","1") = "9"
    & skf18("5","3","10","1","9","7","1") = "9"
    & skf18("5","3","10","1","9","8","1") = "9"
    & skf18("5","3","10","1","9","9","1") = "9"
    & skf18("5","3","10","1","9","10","1") = "9"
    & skf18("5","3","10","1","10","1","1") = "9"
    & skf18("5","3","10","1","10","2","1") = "9"
    & skf18("5","3","10","1","10","3","1") = "9"
    & skf18("5","3","10","1","10","4","1") = "9"
    & skf18("5","3","10","1","10","5","1") = "9"
    & skf18("5","3","10","1","10","6","1") = "9"
    & skf18("5","3","10","1","10","7","1") = "9"
    & skf18("5","3","10","1","10","8","1") = "9"
    & skf18("5","3","10","1","10","9","1") = "9"
    & skf18("5","3","10","1","10","10","1") = "9"
    & skf18("5","3","10","2","1","1","1") = "9"
    & skf18("5","3","10","2","1","2","1") = "9"
    & skf18("5","3","10","2","1","3","1") = "9"
    & skf18("5","3","10","2","1","4","1") = "9"
    & skf18("5","3","10","2","1","5","1") = "9"
    & skf18("5","3","10","2","1","6","1") = "9"
    & skf18("5","3","10","2","1","7","1") = "9"
    & skf18("5","3","10","2","1","8","1") = "9"
    & skf18("5","3","10","2","1","9","1") = "9"
    & skf18("5","3","10","2","1","10","1") = "9"
    & skf18("5","3","10","2","2","1","1") = "9"
    & skf18("5","3","10","2","2","2","1") = "9"
    & skf18("5","3","10","2","2","3","1") = "9"
    & skf18("5","3","10","2","2","4","1") = "9"
    & skf18("5","3","10","2","2","5","1") = "9"
    & skf18("5","3","10","2","2","6","1") = "9"
    & skf18("5","3","10","2","2","7","1") = "9"
    & skf18("5","3","10","2","2","8","1") = "9"
    & skf18("5","3","10","2","2","9","1") = "9"
    & skf18("5","3","10","2","2","10","1") = "9"
    & skf18("5","3","10","2","3","1","1") = "9"
    & skf18("5","3","10","2","3","2","1") = "9"
    & skf18("5","3","10","2","3","3","1") = "9"
    & skf18("5","3","10","2","3","4","1") = "9"
    & skf18("5","3","10","2","3","5","1") = "9"
    & skf18("5","3","10","2","3","6","1") = "9"
    & skf18("5","3","10","2","3","7","1") = "9"
    & skf18("5","3","10","2","3","8","1") = "9"
    & skf18("5","3","10","2","3","9","1") = "9"
    & skf18("5","3","10","2","3","10","1") = "9"
    & skf18("5","3","10","2","4","1","1") = "9"
    & skf18("5","3","10","2","4","2","1") = "9"
    & skf18("5","3","10","2","4","3","1") = "9"
    & skf18("5","3","10","2","4","4","1") = "9"
    & skf18("5","3","10","2","4","5","1") = "9"
    & skf18("5","3","10","2","4","6","1") = "9"
    & skf18("5","3","10","2","4","7","1") = "9"
    & skf18("5","3","10","2","4","8","1") = "9"
    & skf18("5","3","10","2","4","9","1") = "9"
    & skf18("5","3","10","2","4","10","1") = "9"
    & skf18("5","3","10","2","5","1","1") = "9"
    & skf18("5","3","10","2","5","2","1") = "9"
    & skf18("5","3","10","2","5","3","1") = "9"
    & skf18("5","3","10","2","5","4","1") = "9"
    & skf18("5","3","10","2","5","5","1") = "9"
    & skf18("5","3","10","2","5","6","1") = "9"
    & skf18("5","3","10","2","5","7","1") = "9"
    & skf18("5","3","10","2","5","8","1") = "9"
    & skf18("5","3","10","2","5","9","1") = "9"
    & skf18("5","3","10","2","5","10","1") = "9"
    & skf18("5","3","10","2","6","1","1") = "9"
    & skf18("5","3","10","2","6","2","1") = "9"
    & skf18("5","3","10","2","6","3","1") = "9"
    & skf18("5","3","10","2","6","4","1") = "9"
    & skf18("5","3","10","2","6","5","1") = "9"
    & skf18("5","3","10","2","6","6","1") = "9"
    & skf18("5","3","10","2","6","7","1") = "9"
    & skf18("5","3","10","2","6","8","1") = "9"
    & skf18("5","3","10","2","6","9","1") = "9"
    & skf18("5","3","10","2","6","10","1") = "9"
    & skf18("5","3","10","2","7","1","1") = "9"
    & skf18("5","3","10","2","7","2","1") = "9"
    & skf18("5","3","10","2","7","3","1") = "9"
    & skf18("5","3","10","2","7","4","1") = "9"
    & skf18("5","3","10","2","7","5","1") = "9"
    & skf18("5","3","10","2","7","6","1") = "9"
    & skf18("5","3","10","2","7","7","1") = "9"
    & skf18("5","3","10","2","7","8","1") = "9"
    & skf18("5","3","10","2","7","9","1") = "9"
    & skf18("5","3","10","2","7","10","1") = "9"
    & skf18("5","3","10","2","8","1","1") = "9"
    & skf18("5","3","10","2","8","2","1") = "9"
    & skf18("5","3","10","2","8","3","1") = "9"
    & skf18("5","3","10","2","8","4","1") = "9"
    & skf18("5","3","10","2","8","5","1") = "9"
    & skf18("5","3","10","2","8","6","1") = "9"
    & skf18("5","3","10","2","8","7","1") = "9"
    & skf18("5","3","10","2","8","8","1") = "9"
    & skf18("5","3","10","2","8","9","1") = "9"
    & skf18("5","3","10","2","8","10","1") = "9"
    & skf18("5","3","10","2","9","1","1") = "9"
    & skf18("5","3","10","2","9","2","1") = "9"
    & skf18("5","3","10","2","9","3","1") = "9"
    & skf18("5","3","10","2","9","4","1") = "9"
    & skf18("5","3","10","2","9","5","1") = "9"
    & skf18("5","3","10","2","9","6","1") = "9"
    & skf18("5","3","10","2","9","7","1") = "9"
    & skf18("5","3","10","2","9","8","1") = "9"
    & skf18("5","3","10","2","9","9","1") = "9"
    & skf18("5","3","10","2","9","10","1") = "9"
    & skf18("5","3","10","2","10","1","1") = "9"
    & skf18("5","3","10","2","10","2","1") = "9"
    & skf18("5","3","10","2","10","3","1") = "9"
    & skf18("5","3","10","2","10","4","1") = "9"
    & skf18("5","3","10","2","10","5","1") = "9"
    & skf18("5","3","10","2","10","6","1") = "9"
    & skf18("5","3","10","2","10","7","1") = "9"
    & skf18("5","3","10","2","10","8","1") = "9"
    & skf18("5","3","10","2","10","9","1") = "9"
    & skf18("5","3","10","2","10","10","1") = "9"
    & skf18("5","3","10","3","1","1","1") = "9"
    & skf18("5","3","10","3","1","2","1") = "9"
    & skf18("5","3","10","3","1","3","1") = "9"
    & skf18("5","3","10","3","1","4","1") = "9"
    & skf18("5","3","10","3","1","5","1") = "9"
    & skf18("5","3","10","3","1","6","1") = "9"
    & skf18("5","3","10","3","1","7","1") = "9"
    & skf18("5","3","10","3","1","8","1") = "9"
    & skf18("5","3","10","3","1","9","1") = "9"
    & skf18("5","3","10","3","1","10","1") = "9"
    & skf18("5","3","10","3","2","1","1") = "9"
    & skf18("5","3","10","3","2","2","1") = "9"
    & skf18("5","3","10","3","2","3","1") = "9"
    & skf18("5","3","10","3","2","4","1") = "9"
    & skf18("5","3","10","3","2","5","1") = "9"
    & skf18("5","3","10","3","2","6","1") = "9"
    & skf18("5","3","10","3","2","7","1") = "9"
    & skf18("5","3","10","3","2","8","1") = "9"
    & skf18("5","3","10","3","2","9","1") = "9"
    & skf18("5","3","10","3","2","10","1") = "9"
    & skf18("5","3","10","3","3","1","1") = "9"
    & skf18("5","3","10","3","3","2","1") = "9"
    & skf18("5","3","10","3","3","3","1") = "9"
    & skf18("5","3","10","3","3","4","1") = "9"
    & skf18("5","3","10","3","3","5","1") = "9"
    & skf18("5","3","10","3","3","6","1") = "9"
    & skf18("5","3","10","3","3","7","1") = "9"
    & skf18("5","3","10","3","3","8","1") = "9"
    & skf18("5","3","10","3","3","9","1") = "9"
    & skf18("5","3","10","3","3","10","1") = "9"
    & skf18("5","3","10","3","4","1","1") = "9"
    & skf18("5","3","10","3","4","2","1") = "9"
    & skf18("5","3","10","3","4","3","1") = "9"
    & skf18("5","3","10","3","4","4","1") = "9"
    & skf18("5","3","10","3","4","5","1") = "9"
    & skf18("5","3","10","3","4","6","1") = "9"
    & skf18("5","3","10","3","4","7","1") = "9"
    & skf18("5","3","10","3","4","8","1") = "9"
    & skf18("5","3","10","3","4","9","1") = "9"
    & skf18("5","3","10","3","4","10","1") = "9"
    & skf18("5","3","10","3","5","1","1") = "9"
    & skf18("5","3","10","3","5","2","1") = "9"
    & skf18("5","3","10","3","5","3","1") = "9"
    & skf18("5","3","10","3","5","4","1") = "9"
    & skf18("5","3","10","3","5","5","1") = "9"
    & skf18("5","3","10","3","5","6","1") = "9"
    & skf18("5","3","10","3","5","7","1") = "9"
    & skf18("5","3","10","3","5","8","1") = "9"
    & skf18("5","3","10","3","5","9","1") = "9"
    & skf18("5","3","10","3","5","10","1") = "9"
    & skf18("5","3","10","3","6","1","1") = "9"
    & skf18("5","3","10","3","6","2","1") = "9"
    & skf18("5","3","10","3","6","3","1") = "9"
    & skf18("5","3","10","3","6","4","1") = "9"
    & skf18("5","3","10","3","6","5","1") = "9"
    & skf18("5","3","10","3","6","6","1") = "9"
    & skf18("5","3","10","3","6","7","1") = "9"
    & skf18("5","3","10","3","6","8","1") = "9"
    & skf18("5","3","10","3","6","9","1") = "9"
    & skf18("5","3","10","3","6","10","1") = "9"
    & skf18("5","3","10","3","7","1","1") = "9"
    & skf18("5","3","10","3","7","2","1") = "9"
    & skf18("5","3","10","3","7","3","1") = "9"
    & skf18("5","3","10","3","7","4","1") = "9"
    & skf18("5","3","10","3","7","5","1") = "9"
    & skf18("5","3","10","3","7","6","1") = "9"
    & skf18("5","3","10","3","7","7","1") = "9"
    & skf18("5","3","10","3","7","8","1") = "9"
    & skf18("5","3","10","3","7","9","1") = "9"
    & skf18("5","3","10","3","7","10","1") = "9"
    & skf18("5","3","10","3","8","1","1") = "9"
    & skf18("5","3","10","3","8","2","1") = "9"
    & skf18("5","3","10","3","8","3","1") = "9"
    & skf18("5","3","10","3","8","4","1") = "9"
    & skf18("5","3","10","3","8","5","1") = "9"
    & skf18("5","3","10","3","8","6","1") = "9"
    & skf18("5","3","10","3","8","7","1") = "9"
    & skf18("5","3","10","3","8","8","1") = "9"
    & skf18("5","3","10","3","8","9","1") = "9"
    & skf18("5","3","10","3","8","10","1") = "9"
    & skf18("5","3","10","3","9","1","1") = "9"
    & skf18("5","3","10","3","9","2","1") = "9"
    & skf18("5","3","10","3","9","3","1") = "9"
    & skf18("5","3","10","3","9","4","1") = "9"
    & skf18("5","3","10","3","9","5","1") = "9"
    & skf18("5","3","10","3","9","6","1") = "9"
    & skf18("5","3","10","3","9","7","1") = "9"
    & skf18("5","3","10","3","9","8","1") = "9"
    & skf18("5","3","10","3","9","9","1") = "9"
    & skf18("5","3","10","3","9","10","1") = "9"
    & skf18("5","3","10","3","10","1","1") = "9"
    & skf18("5","3","10","3","10","2","1") = "9"
    & skf18("5","3","10","3","10","3","1") = "9"
    & skf18("5","3","10","3","10","4","1") = "9"
    & skf18("5","3","10","3","10","5","1") = "9"
    & skf18("5","3","10","3","10","6","1") = "9"
    & skf18("5","3","10","3","10","7","1") = "9"
    & skf18("5","3","10","3","10","8","1") = "9"
    & skf18("5","3","10","3","10","9","1") = "9"
    & skf18("5","3","10","3","10","10","1") = "9"
    & skf18("5","3","10","4","1","1","1") = "9"
    & skf18("5","3","10","4","1","2","1") = "9"
    & skf18("5","3","10","4","1","3","1") = "9"
    & skf18("5","3","10","4","1","4","1") = "9"
    & skf18("5","3","10","4","1","5","1") = "9"
    & skf18("5","3","10","4","1","6","1") = "9"
    & skf18("5","3","10","4","1","7","1") = "9"
    & skf18("5","3","10","4","1","8","1") = "9"
    & skf18("5","3","10","4","1","9","1") = "9"
    & skf18("5","3","10","4","1","10","1") = "9"
    & skf18("5","3","10","4","2","1","1") = "9"
    & skf18("5","3","10","4","2","2","1") = "9"
    & skf18("5","3","10","4","2","3","1") = "9"
    & skf18("5","3","10","4","2","4","1") = "9"
    & skf18("5","3","10","4","2","5","1") = "9"
    & skf18("5","3","10","4","2","6","1") = "9"
    & skf18("5","3","10","4","2","7","1") = "9"
    & skf18("5","3","10","4","2","8","1") = "9"
    & skf18("5","3","10","4","2","9","1") = "9"
    & skf18("5","3","10","4","2","10","1") = "9"
    & skf18("5","3","10","4","3","1","1") = "9"
    & skf18("5","3","10","4","3","2","1") = "9"
    & skf18("5","3","10","4","3","3","1") = "9"
    & skf18("5","3","10","4","3","4","1") = "9"
    & skf18("5","3","10","4","3","5","1") = "9"
    & skf18("5","3","10","4","3","6","1") = "9"
    & skf18("5","3","10","4","3","7","1") = "9"
    & skf18("5","3","10","4","3","8","1") = "9"
    & skf18("5","3","10","4","3","9","1") = "9"
    & skf18("5","3","10","4","3","10","1") = "9"
    & skf18("5","3","10","4","4","1","1") = "9"
    & skf18("5","3","10","4","4","2","1") = "9"
    & skf18("5","3","10","4","4","3","1") = "9"
    & skf18("5","3","10","4","4","4","1") = "9"
    & skf18("5","3","10","4","4","5","1") = "9"
    & skf18("5","3","10","4","4","6","1") = "9"
    & skf18("5","3","10","4","4","7","1") = "9"
    & skf18("5","3","10","4","4","8","1") = "9"
    & skf18("5","3","10","4","4","9","1") = "9"
    & skf18("5","3","10","4","4","10","1") = "9"
    & skf18("5","3","10","4","5","1","1") = "9"
    & skf18("5","3","10","4","5","2","1") = "9"
    & skf18("5","3","10","4","5","3","1") = "9"
    & skf18("5","3","10","4","5","4","1") = "9"
    & skf18("5","3","10","4","5","5","1") = "9"
    & skf18("5","3","10","4","5","6","1") = "9"
    & skf18("5","3","10","4","5","7","1") = "9"
    & skf18("5","3","10","4","5","8","1") = "9"
    & skf18("5","3","10","4","5","9","1") = "9"
    & skf18("5","3","10","4","5","10","1") = "9"
    & skf18("5","3","10","4","6","1","1") = "9"
    & skf18("5","3","10","4","6","2","1") = "9"
    & skf18("5","3","10","4","6","3","1") = "9"
    & skf18("5","3","10","4","6","4","1") = "9"
    & skf18("5","3","10","4","6","5","1") = "9"
    & skf18("5","3","10","4","6","6","1") = "9"
    & skf18("5","3","10","4","6","7","1") = "9"
    & skf18("5","3","10","4","6","8","1") = "9"
    & skf18("5","3","10","4","6","9","1") = "9"
    & skf18("5","3","10","4","6","10","1") = "9"
    & skf18("5","3","10","4","7","1","1") = "9"
    & skf18("5","3","10","4","7","2","1") = "9"
    & skf18("5","3","10","4","7","3","1") = "9"
    & skf18("5","3","10","4","7","4","1") = "9"
    & skf18("5","3","10","4","7","5","1") = "9"
    & skf18("5","3","10","4","7","6","1") = "9"
    & skf18("5","3","10","4","7","7","1") = "9"
    & skf18("5","3","10","4","7","8","1") = "9"
    & skf18("5","3","10","4","7","9","1") = "9"
    & skf18("5","3","10","4","7","10","1") = "9"
    & skf18("5","3","10","4","8","1","1") = "9"
    & skf18("5","3","10","4","8","2","1") = "9"
    & skf18("5","3","10","4","8","3","1") = "9"
    & skf18("5","3","10","4","8","4","1") = "9"
    & skf18("5","3","10","4","8","5","1") = "9"
    & skf18("5","3","10","4","8","6","1") = "9"
    & skf18("5","3","10","4","8","7","1") = "9"
    & skf18("5","3","10","4","8","8","1") = "9"
    & skf18("5","3","10","4","8","9","1") = "9"
    & skf18("5","3","10","4","8","10","1") = "9"
    & skf18("5","3","10","4","9","1","1") = "9"
    & skf18("5","3","10","4","9","2","1") = "9"
    & skf18("5","3","10","4","9","3","1") = "9"
    & skf18("5","3","10","4","9","4","1") = "9"
    & skf18("5","3","10","4","9","5","1") = "9"
    & skf18("5","3","10","4","9","6","1") = "9"
    & skf18("5","3","10","4","9","7","1") = "9"
    & skf18("5","3","10","4","9","8","1") = "9"
    & skf18("5","3","10","4","9","9","1") = "9"
    & skf18("5","3","10","4","9","10","1") = "9"
    & skf18("5","3","10","4","10","1","1") = "9"
    & skf18("5","3","10","4","10","2","1") = "9"
    & skf18("5","3","10","4","10","3","1") = "9"
    & skf18("5","3","10","4","10","4","1") = "9"
    & skf18("5","3","10","4","10","5","1") = "9"
    & skf18("5","3","10","4","10","6","1") = "9"
    & skf18("5","3","10","4","10","7","1") = "9"
    & skf18("5","3","10","4","10","8","1") = "9"
    & skf18("5","3","10","4","10","9","1") = "9"
    & skf18("5","3","10","4","10","10","1") = "9"
    & skf18("5","3","10","5","1","1","1") = "9"
    & skf18("5","3","10","5","1","2","1") = "9"
    & skf18("5","3","10","5","1","3","1") = "9"
    & skf18("5","3","10","5","1","4","1") = "9"
    & skf18("5","3","10","5","1","5","1") = "9"
    & skf18("5","3","10","5","1","6","1") = "9"
    & skf18("5","3","10","5","1","7","1") = "9"
    & skf18("5","3","10","5","1","8","1") = "9"
    & skf18("5","3","10","5","1","9","1") = "9"
    & skf18("5","3","10","5","1","10","1") = "9"
    & skf18("5","3","10","5","2","1","1") = "9"
    & skf18("5","3","10","5","2","2","1") = "9"
    & skf18("5","3","10","5","2","3","1") = "9"
    & skf18("5","3","10","5","2","4","1") = "9"
    & skf18("5","3","10","5","2","5","1") = "9"
    & skf18("5","3","10","5","2","6","1") = "9"
    & skf18("5","3","10","5","2","7","1") = "9"
    & skf18("5","3","10","5","2","8","1") = "9"
    & skf18("5","3","10","5","2","9","1") = "9"
    & skf18("5","3","10","5","2","10","1") = "9"
    & skf18("5","3","10","5","3","1","1") = "9"
    & skf18("5","3","10","5","3","2","1") = "9"
    & skf18("5","3","10","5","3","3","1") = "9"
    & skf18("5","3","10","5","3","4","1") = "9"
    & skf18("5","3","10","5","3","5","1") = "9"
    & skf18("5","3","10","5","3","6","1") = "9"
    & skf18("5","3","10","5","3","7","1") = "9"
    & skf18("5","3","10","5","3","8","1") = "9"
    & skf18("5","3","10","5","3","9","1") = "9"
    & skf18("5","3","10","5","3","10","1") = "9"
    & skf18("5","3","10","5","4","1","1") = "9"
    & skf18("5","3","10","5","4","2","1") = "9"
    & skf18("5","3","10","5","4","3","1") = "9"
    & skf18("5","3","10","5","4","4","1") = "9"
    & skf18("5","3","10","5","4","5","1") = "9"
    & skf18("5","3","10","5","4","6","1") = "9"
    & skf18("5","3","10","5","4","7","1") = "9"
    & skf18("5","3","10","5","4","8","1") = "9"
    & skf18("5","3","10","5","4","9","1") = "9"
    & skf18("5","3","10","5","4","10","1") = "9"
    & skf18("5","3","10","5","5","1","1") = "9"
    & skf18("5","3","10","5","5","2","1") = "9"
    & skf18("5","3","10","5","5","3","1") = "9"
    & skf18("5","3","10","5","5","4","1") = "9"
    & skf18("5","3","10","5","5","5","1") = "9"
    & skf18("5","3","10","5","5","6","1") = "9"
    & skf18("5","3","10","5","5","7","1") = "9"
    & skf18("5","3","10","5","5","8","1") = "9"
    & skf18("5","3","10","5","5","9","1") = "9"
    & skf18("5","3","10","5","5","10","1") = "9"
    & skf18("5","3","10","5","6","1","1") = "9"
    & skf18("5","3","10","5","6","2","1") = "9"
    & skf18("5","3","10","5","6","3","1") = "9"
    & skf18("5","3","10","5","6","4","1") = "9"
    & skf18("5","3","10","5","6","5","1") = "9"
    & skf18("5","3","10","5","6","6","1") = "9"
    & skf18("5","3","10","5","6","7","1") = "9"
    & skf18("5","3","10","5","6","8","1") = "9"
    & skf18("5","3","10","5","6","9","1") = "9"
    & skf18("5","3","10","5","6","10","1") = "9"
    & skf18("5","3","10","5","7","1","1") = "9"
    & skf18("5","3","10","5","7","2","1") = "9"
    & skf18("5","3","10","5","7","3","1") = "9"
    & skf18("5","3","10","5","7","4","1") = "9"
    & skf18("5","3","10","5","7","5","1") = "9"
    & skf18("5","3","10","5","7","6","1") = "9"
    & skf18("5","3","10","5","7","7","1") = "9"
    & skf18("5","3","10","5","7","8","1") = "9"
    & skf18("5","3","10","5","7","9","1") = "9"
    & skf18("5","3","10","5","7","10","1") = "9"
    & skf18("5","3","10","5","8","1","1") = "9"
    & skf18("5","3","10","5","8","2","1") = "9"
    & skf18("5","3","10","5","8","3","1") = "9"
    & skf18("5","3","10","5","8","4","1") = "9"
    & skf18("5","3","10","5","8","5","1") = "9"
    & skf18("5","3","10","5","8","6","1") = "9"
    & skf18("5","3","10","5","8","7","1") = "9"
    & skf18("5","3","10","5","8","8","1") = "9"
    & skf18("5","3","10","5","8","9","1") = "9"
    & skf18("5","3","10","5","8","10","1") = "9"
    & skf18("5","3","10","5","9","1","1") = "9"
    & skf18("5","3","10","5","9","2","1") = "9"
    & skf18("5","3","10","5","9","3","1") = "9"
    & skf18("5","3","10","5","9","4","1") = "9"
    & skf18("5","3","10","5","9","5","1") = "9"
    & skf18("5","3","10","5","9","6","1") = "9"
    & skf18("5","3","10","5","9","7","1") = "9"
    & skf18("5","3","10","5","9","8","1") = "9"
    & skf18("5","3","10","5","9","9","1") = "9"
    & skf18("5","3","10","5","9","10","1") = "9"
    & skf18("5","3","10","5","10","1","1") = "9"
    & skf18("5","3","10","5","10","2","1") = "9"
    & skf18("5","3","10","5","10","3","1") = "9"
    & skf18("5","3","10","5","10","4","1") = "9"
    & skf18("5","3","10","5","10","5","1") = "9"
    & skf18("5","3","10","5","10","6","1") = "9"
    & skf18("5","3","10","5","10","7","1") = "9"
    & skf18("5","3","10","5","10","8","1") = "9"
    & skf18("5","3","10","5","10","9","1") = "9"
    & skf18("5","3","10","5","10","10","1") = "9"
    & skf18("5","3","10","6","1","1","1") = "9"
    & skf18("5","3","10","6","1","2","1") = "9"
    & skf18("5","3","10","6","1","3","1") = "9"
    & skf18("5","3","10","6","1","4","1") = "9"
    & skf18("5","3","10","6","1","5","1") = "9"
    & skf18("5","3","10","6","1","6","1") = "9"
    & skf18("5","3","10","6","1","7","1") = "9"
    & skf18("5","3","10","6","1","8","1") = "9"
    & skf18("5","3","10","6","1","9","1") = "9"
    & skf18("5","3","10","6","1","10","1") = "9"
    & skf18("5","3","10","6","2","1","1") = "9"
    & skf18("5","3","10","6","2","2","1") = "9"
    & skf18("5","3","10","6","2","3","1") = "9"
    & skf18("5","3","10","6","2","4","1") = "9"
    & skf18("5","3","10","6","2","5","1") = "9"
    & skf18("5","3","10","6","2","6","1") = "9"
    & skf18("5","3","10","6","2","7","1") = "9"
    & skf18("5","3","10","6","2","8","1") = "9"
    & skf18("5","3","10","6","2","9","1") = "9"
    & skf18("5","3","10","6","2","10","1") = "9"
    & skf18("5","3","10","6","3","1","1") = "9"
    & skf18("5","3","10","6","3","2","1") = "9"
    & skf18("5","3","10","6","3","3","1") = "9"
    & skf18("5","3","10","6","3","4","1") = "9"
    & skf18("5","3","10","6","3","5","1") = "9"
    & skf18("5","3","10","6","3","6","1") = "9"
    & skf18("5","3","10","6","3","7","1") = "9"
    & skf18("5","3","10","6","3","8","1") = "9"
    & skf18("5","3","10","6","3","9","1") = "9"
    & skf18("5","3","10","6","3","10","1") = "9"
    & skf18("5","3","10","6","4","1","1") = "9"
    & skf18("5","3","10","6","4","2","1") = "9"
    & skf18("5","3","10","6","4","3","1") = "9"
    & skf18("5","3","10","6","4","4","1") = "9"
    & skf18("5","3","10","6","4","5","1") = "9"
    & skf18("5","3","10","6","4","6","1") = "9"
    & skf18("5","3","10","6","4","7","1") = "9"
    & skf18("5","3","10","6","4","8","1") = "9"
    & skf18("5","3","10","6","4","9","1") = "9"
    & skf18("5","3","10","6","4","10","1") = "9"
    & skf18("5","3","10","6","5","1","1") = "9"
    & skf18("5","3","10","6","5","2","1") = "9"
    & skf18("5","3","10","6","5","3","1") = "9"
    & skf18("5","3","10","6","5","4","1") = "9"
    & skf18("5","3","10","6","5","5","1") = "9"
    & skf18("5","3","10","6","5","6","1") = "9"
    & skf18("5","3","10","6","5","7","1") = "9"
    & skf18("5","3","10","6","5","8","1") = "9"
    & skf18("5","3","10","6","5","9","1") = "9"
    & skf18("5","3","10","6","5","10","1") = "9"
    & skf18("5","3","10","6","6","1","1") = "9"
    & skf18("5","3","10","6","6","2","1") = "9"
    & skf18("5","3","10","6","6","3","1") = "9"
    & skf18("5","3","10","6","6","4","1") = "9"
    & skf18("5","3","10","6","6","5","1") = "9"
    & skf18("5","3","10","6","6","6","1") = "9"
    & skf18("5","3","10","6","6","7","1") = "9"
    & skf18("5","3","10","6","6","8","1") = "9"
    & skf18("5","3","10","6","6","9","1") = "9"
    & skf18("5","3","10","6","6","10","1") = "9"
    & skf18("5","3","10","6","7","1","1") = "9"
    & skf18("5","3","10","6","7","2","1") = "9"
    & skf18("5","3","10","6","7","3","1") = "9"
    & skf18("5","3","10","6","7","4","1") = "9"
    & skf18("5","3","10","6","7","5","1") = "9"
    & skf18("5","3","10","6","7","6","1") = "9"
    & skf18("5","3","10","6","7","7","1") = "9"
    & skf18("5","3","10","6","7","8","1") = "9"
    & skf18("5","3","10","6","7","9","1") = "9"
    & skf18("5","3","10","6","7","10","1") = "9"
    & skf18("5","3","10","6","8","1","1") = "9"
    & skf18("5","3","10","6","8","2","1") = "9"
    & skf18("5","3","10","6","8","3","1") = "9"
    & skf18("5","3","10","6","8","4","1") = "9"
    & skf18("5","3","10","6","8","5","1") = "9"
    & skf18("5","3","10","6","8","6","1") = "9"
    & skf18("5","3","10","6","8","7","1") = "9"
    & skf18("5","3","10","6","8","8","1") = "9"
    & skf18("5","3","10","6","8","9","1") = "9"
    & skf18("5","3","10","6","8","10","1") = "9"
    & skf18("5","3","10","6","9","1","1") = "9"
    & skf18("5","3","10","6","9","2","1") = "9"
    & skf18("5","3","10","6","9","3","1") = "9"
    & skf18("5","3","10","6","9","4","1") = "9"
    & skf18("5","3","10","6","9","5","1") = "9"
    & skf18("5","3","10","6","9","6","1") = "9"
    & skf18("5","3","10","6","9","7","1") = "9"
    & skf18("5","3","10","6","9","8","1") = "9"
    & skf18("5","3","10","6","9","9","1") = "9"
    & skf18("5","3","10","6","9","10","1") = "9"
    & skf18("5","3","10","6","10","1","1") = "9"
    & skf18("5","3","10","6","10","2","1") = "9"
    & skf18("5","3","10","6","10","3","1") = "9"
    & skf18("5","3","10","6","10","4","1") = "9"
    & skf18("5","3","10","6","10","5","1") = "9"
    & skf18("5","3","10","6","10","6","1") = "9"
    & skf18("5","3","10","6","10","7","1") = "9"
    & skf18("5","3","10","6","10","8","1") = "9"
    & skf18("5","3","10","6","10","9","1") = "9"
    & skf18("5","3","10","6","10","10","1") = "9"
    & skf18("5","3","10","7","1","1","1") = "9"
    & skf18("5","3","10","7","1","2","1") = "9"
    & skf18("5","3","10","7","1","3","1") = "9"
    & skf18("5","3","10","7","1","4","1") = "9"
    & skf18("5","3","10","7","1","5","1") = "9"
    & skf18("5","3","10","7","1","6","1") = "9"
    & skf18("5","3","10","7","1","7","1") = "9"
    & skf18("5","3","10","7","1","8","1") = "9"
    & skf18("5","3","10","7","1","9","1") = "9"
    & skf18("5","3","10","7","1","10","1") = "9"
    & skf18("5","3","10","7","2","1","1") = "9"
    & skf18("5","3","10","7","2","2","1") = "9"
    & skf18("5","3","10","7","2","3","1") = "9"
    & skf18("5","3","10","7","2","4","1") = "9"
    & skf18("5","3","10","7","2","5","1") = "9"
    & skf18("5","3","10","7","2","6","1") = "9"
    & skf18("5","3","10","7","2","7","1") = "9"
    & skf18("5","3","10","7","2","8","1") = "9"
    & skf18("5","3","10","7","2","9","1") = "9"
    & skf18("5","3","10","7","2","10","1") = "9"
    & skf18("5","3","10","7","3","1","1") = "9"
    & skf18("5","3","10","7","3","2","1") = "9"
    & skf18("5","3","10","7","3","3","1") = "9"
    & skf18("5","3","10","7","3","4","1") = "9"
    & skf18("5","3","10","7","3","5","1") = "9"
    & skf18("5","3","10","7","3","6","1") = "9"
    & skf18("5","3","10","7","3","7","1") = "9"
    & skf18("5","3","10","7","3","8","1") = "9"
    & skf18("5","3","10","7","3","9","1") = "9"
    & skf18("5","3","10","7","3","10","1") = "9"
    & skf18("5","3","10","7","4","1","1") = "9"
    & skf18("5","3","10","7","4","2","1") = "9"
    & skf18("5","3","10","7","4","3","1") = "9"
    & skf18("5","3","10","7","4","4","1") = "9"
    & skf18("5","3","10","7","4","5","1") = "9"
    & skf18("5","3","10","7","4","6","1") = "9"
    & skf18("5","3","10","7","4","7","1") = "9"
    & skf18("5","3","10","7","4","8","1") = "9"
    & skf18("5","3","10","7","4","9","1") = "9"
    & skf18("5","3","10","7","4","10","1") = "9"
    & skf18("5","3","10","7","5","1","1") = "9"
    & skf18("5","3","10","7","5","2","1") = "9"
    & skf18("5","3","10","7","5","3","1") = "9"
    & skf18("5","3","10","7","5","4","1") = "9"
    & skf18("5","3","10","7","5","5","1") = "9"
    & skf18("5","3","10","7","5","6","1") = "9"
    & skf18("5","3","10","7","5","7","1") = "9"
    & skf18("5","3","10","7","5","8","1") = "9"
    & skf18("5","3","10","7","5","9","1") = "9"
    & skf18("5","3","10","7","5","10","1") = "9"
    & skf18("5","3","10","7","6","1","1") = "9"
    & skf18("5","3","10","7","6","2","1") = "9"
    & skf18("5","3","10","7","6","3","1") = "9"
    & skf18("5","3","10","7","6","4","1") = "9"
    & skf18("5","3","10","7","6","5","1") = "9"
    & skf18("5","3","10","7","6","6","1") = "9"
    & skf18("5","3","10","7","6","7","1") = "9"
    & skf18("5","3","10","7","6","8","1") = "9"
    & skf18("5","3","10","7","6","9","1") = "9"
    & skf18("5","3","10","7","6","10","1") = "9"
    & skf18("5","3","10","7","7","1","1") = "9"
    & skf18("5","3","10","7","7","2","1") = "9"
    & skf18("5","3","10","7","7","3","1") = "9"
    & skf18("5","3","10","7","7","4","1") = "9"
    & skf18("5","3","10","7","7","5","1") = "9"
    & skf18("5","3","10","7","7","6","1") = "9"
    & skf18("5","3","10","7","7","7","1") = "9"
    & skf18("5","3","10","7","7","8","1") = "9"
    & skf18("5","3","10","7","7","9","1") = "9"
    & skf18("5","3","10","7","7","10","1") = "9"
    & skf18("5","3","10","7","8","1","1") = "9"
    & skf18("5","3","10","7","8","2","1") = "9"
    & skf18("5","3","10","7","8","3","1") = "9"
    & skf18("5","3","10","7","8","4","1") = "9"
    & skf18("5","3","10","7","8","5","1") = "9"
    & skf18("5","3","10","7","8","6","1") = "9"
    & skf18("5","3","10","7","8","7","1") = "9"
    & skf18("5","3","10","7","8","8","1") = "9"
    & skf18("5","3","10","7","8","9","1") = "9"
    & skf18("5","3","10","7","8","10","1") = "9"
    & skf18("5","3","10","7","9","1","1") = "9"
    & skf18("5","3","10","7","9","2","1") = "9"
    & skf18("5","3","10","7","9","3","1") = "9"
    & skf18("5","3","10","7","9","4","1") = "9"
    & skf18("5","3","10","7","9","5","1") = "9"
    & skf18("5","3","10","7","9","6","1") = "9"
    & skf18("5","3","10","7","9","7","1") = "9"
    & skf18("5","3","10","7","9","8","1") = "9"
    & skf18("5","3","10","7","9","9","1") = "9"
    & skf18("5","3","10","7","9","10","1") = "9"
    & skf18("5","3","10","7","10","1","1") = "9"
    & skf18("5","3","10","7","10","2","1") = "9"
    & skf18("5","3","10","7","10","3","1") = "9"
    & skf18("5","3","10","7","10","4","1") = "9"
    & skf18("5","3","10","7","10","5","1") = "9"
    & skf18("5","3","10","7","10","6","1") = "9"
    & skf18("5","3","10","7","10","7","1") = "9"
    & skf18("5","3","10","7","10","8","1") = "9"
    & skf18("5","3","10","7","10","9","1") = "9"
    & skf18("5","3","10","7","10","10","1") = "9"
    & skf18("5","3","10","8","1","1","1") = "9"
    & skf18("5","3","10","8","1","2","1") = "9"
    & skf18("5","3","10","8","1","3","1") = "9"
    & skf18("5","3","10","8","1","4","1") = "9"
    & skf18("5","3","10","8","1","5","1") = "9"
    & skf18("5","3","10","8","1","6","1") = "9"
    & skf18("5","3","10","8","1","7","1") = "9"
    & skf18("5","3","10","8","1","8","1") = "9"
    & skf18("5","3","10","8","1","9","1") = "9"
    & skf18("5","3","10","8","1","10","1") = "9"
    & skf18("5","3","10","8","2","1","1") = "9"
    & skf18("5","3","10","8","2","2","1") = "9"
    & skf18("5","3","10","8","2","3","1") = "9"
    & skf18("5","3","10","8","2","4","1") = "9"
    & skf18("5","3","10","8","2","5","1") = "9"
    & skf18("5","3","10","8","2","6","1") = "9"
    & skf18("5","3","10","8","2","7","1") = "9"
    & skf18("5","3","10","8","2","8","1") = "9"
    & skf18("5","3","10","8","2","9","1") = "9"
    & skf18("5","3","10","8","2","10","1") = "9"
    & skf18("5","3","10","8","3","1","1") = "9"
    & skf18("5","3","10","8","3","2","1") = "9"
    & skf18("5","3","10","8","3","3","1") = "9"
    & skf18("5","3","10","8","3","4","1") = "9"
    & skf18("5","3","10","8","3","5","1") = "9"
    & skf18("5","3","10","8","3","6","1") = "9"
    & skf18("5","3","10","8","3","7","1") = "9"
    & skf18("5","3","10","8","3","8","1") = "9"
    & skf18("5","3","10","8","3","9","1") = "9"
    & skf18("5","3","10","8","3","10","1") = "9"
    & skf18("5","3","10","8","4","1","1") = "9"
    & skf18("5","3","10","8","4","2","1") = "9"
    & skf18("5","3","10","8","4","3","1") = "9"
    & skf18("5","3","10","8","4","4","1") = "9"
    & skf18("5","3","10","8","4","5","1") = "9"
    & skf18("5","3","10","8","4","6","1") = "9"
    & skf18("5","3","10","8","4","7","1") = "9"
    & skf18("5","3","10","8","4","8","1") = "9"
    & skf18("5","3","10","8","4","9","1") = "9"
    & skf18("5","3","10","8","4","10","1") = "9"
    & skf18("5","3","10","8","5","1","1") = "9"
    & skf18("5","3","10","8","5","2","1") = "9"
    & skf18("5","3","10","8","5","3","1") = "9"
    & skf18("5","3","10","8","5","4","1") = "9"
    & skf18("5","3","10","8","5","5","1") = "9"
    & skf18("5","3","10","8","5","6","1") = "9"
    & skf18("5","3","10","8","5","7","1") = "9"
    & skf18("5","3","10","8","5","8","1") = "9"
    & skf18("5","3","10","8","5","9","1") = "9"
    & skf18("5","3","10","8","5","10","1") = "9"
    & skf18("5","3","10","8","6","1","1") = "9"
    & skf18("5","3","10","8","6","2","1") = "9"
    & skf18("5","3","10","8","6","3","1") = "9"
    & skf18("5","3","10","8","6","4","1") = "9"
    & skf18("5","3","10","8","6","5","1") = "9"
    & skf18("5","3","10","8","6","6","1") = "9"
    & skf18("5","3","10","8","6","7","1") = "9"
    & skf18("5","3","10","8","6","8","1") = "9"
    & skf18("5","3","10","8","6","9","1") = "9"
    & skf18("5","3","10","8","6","10","1") = "9"
    & skf18("5","3","10","8","7","1","1") = "9"
    & skf18("5","3","10","8","7","2","1") = "9"
    & skf18("5","3","10","8","7","3","1") = "9"
    & skf18("5","3","10","8","7","4","1") = "9"
    & skf18("5","3","10","8","7","5","1") = "9"
    & skf18("5","3","10","8","7","6","1") = "9"
    & skf18("5","3","10","8","7","7","1") = "9"
    & skf18("5","3","10","8","7","8","1") = "9"
    & skf18("5","3","10","8","7","9","1") = "9"
    & skf18("5","3","10","8","7","10","1") = "9"
    & skf18("5","3","10","8","8","1","1") = "9"
    & skf18("5","3","10","8","8","2","1") = "9"
    & skf18("5","3","10","8","8","3","1") = "9"
    & skf18("5","3","10","8","8","4","1") = "9"
    & skf18("5","3","10","8","8","5","1") = "9"
    & skf18("5","3","10","8","8","6","1") = "9"
    & skf18("5","3","10","8","8","7","1") = "9"
    & skf18("5","3","10","8","8","8","1") = "9"
    & skf18("5","3","10","8","8","9","1") = "9"
    & skf18("5","3","10","8","8","10","1") = "9"
    & skf18("5","3","10","8","9","1","1") = "9"
    & skf18("5","3","10","8","9","2","1") = "9"
    & skf18("5","3","10","8","9","3","1") = "9"
    & skf18("5","3","10","8","9","4","1") = "9"
    & skf18("5","3","10","8","9","5","1") = "9"
    & skf18("5","3","10","8","9","6","1") = "9"
    & skf18("5","3","10","8","9","7","1") = "9"
    & skf18("5","3","10","8","9","8","1") = "9"
    & skf18("5","3","10","8","9","9","1") = "9"
    & skf18("5","3","10","8","9","10","1") = "9"
    & skf18("5","3","10","8","10","1","1") = "9"
    & skf18("5","3","10","8","10","2","1") = "9"
    & skf18("5","3","10","8","10","3","1") = "9"
    & skf18("5","3","10","8","10","4","1") = "9"
    & skf18("5","3","10","8","10","5","1") = "9"
    & skf18("5","3","10","8","10","6","1") = "9"
    & skf18("5","3","10","8","10","7","1") = "9"
    & skf18("5","3","10","8","10","8","1") = "9"
    & skf18("5","3","10","8","10","9","1") = "9"
    & skf18("5","3","10","8","10","10","1") = "9"
    & skf18("5","3","10","9","1","1","1") = "9"
    & skf18("5","3","10","9","1","2","1") = "9"
    & skf18("5","3","10","9","1","3","1") = "9"
    & skf18("5","3","10","9","1","4","1") = "9"
    & skf18("5","3","10","9","1","5","1") = "9"
    & skf18("5","3","10","9","1","6","1") = "9"
    & skf18("5","3","10","9","1","7","1") = "9"
    & skf18("5","3","10","9","1","8","1") = "9"
    & skf18("5","3","10","9","1","9","1") = "9"
    & skf18("5","3","10","9","1","10","1") = "9"
    & skf18("5","3","10","9","2","1","1") = "9"
    & skf18("5","3","10","9","2","2","1") = "9"
    & skf18("5","3","10","9","2","3","1") = "9"
    & skf18("5","3","10","9","2","4","1") = "9"
    & skf18("5","3","10","9","2","5","1") = "9"
    & skf18("5","3","10","9","2","6","1") = "9"
    & skf18("5","3","10","9","2","7","1") = "9"
    & skf18("5","3","10","9","2","8","1") = "9"
    & skf18("5","3","10","9","2","9","1") = "9"
    & skf18("5","3","10","9","2","10","1") = "9"
    & skf18("5","3","10","9","3","1","1") = "9"
    & skf18("5","3","10","9","3","2","1") = "9"
    & skf18("5","3","10","9","3","3","1") = "9"
    & skf18("5","3","10","9","3","4","1") = "9"
    & skf18("5","3","10","9","3","5","1") = "9"
    & skf18("5","3","10","9","3","6","1") = "9"
    & skf18("5","3","10","9","3","7","1") = "9"
    & skf18("5","3","10","9","3","8","1") = "9"
    & skf18("5","3","10","9","3","9","1") = "9"
    & skf18("5","3","10","9","3","10","1") = "9"
    & skf18("5","3","10","9","4","1","1") = "9"
    & skf18("5","3","10","9","4","2","1") = "9"
    & skf18("5","3","10","9","4","3","1") = "9"
    & skf18("5","3","10","9","4","4","1") = "9"
    & skf18("5","3","10","9","4","5","1") = "9"
    & skf18("5","3","10","9","4","6","1") = "9"
    & skf18("5","3","10","9","4","7","1") = "9"
    & skf18("5","3","10","9","4","8","1") = "9"
    & skf18("5","3","10","9","4","9","1") = "9"
    & skf18("5","3","10","9","4","10","1") = "9"
    & skf18("5","3","10","9","5","1","1") = "9"
    & skf18("5","3","10","9","5","2","1") = "9"
    & skf18("5","3","10","9","5","3","1") = "9"
    & skf18("5","3","10","9","5","4","1") = "9"
    & skf18("5","3","10","9","5","5","1") = "9"
    & skf18("5","3","10","9","5","6","1") = "9"
    & skf18("5","3","10","9","5","7","1") = "9"
    & skf18("5","3","10","9","5","8","1") = "9"
    & skf18("5","3","10","9","5","9","1") = "9"
    & skf18("5","3","10","9","5","10","1") = "9"
    & skf18("5","3","10","9","6","1","1") = "9"
    & skf18("5","3","10","9","6","2","1") = "9"
    & skf18("5","3","10","9","6","3","1") = "9"
    & skf18("5","3","10","9","6","4","1") = "9"
    & skf18("5","3","10","9","6","5","1") = "9"
    & skf18("5","3","10","9","6","6","1") = "9"
    & skf18("5","3","10","9","6","7","1") = "9"
    & skf18("5","3","10","9","6","8","1") = "9"
    & skf18("5","3","10","9","6","9","1") = "9"
    & skf18("5","3","10","9","6","10","1") = "9"
    & skf18("5","3","10","9","7","1","1") = "9"
    & skf18("5","3","10","9","7","2","1") = "9"
    & skf18("5","3","10","9","7","3","1") = "9"
    & skf18("5","3","10","9","7","4","1") = "9"
    & skf18("5","3","10","9","7","5","1") = "9"
    & skf18("5","3","10","9","7","6","1") = "9"
    & skf18("5","3","10","9","7","7","1") = "9"
    & skf18("5","3","10","9","7","8","1") = "9"
    & skf18("5","3","10","9","7","9","1") = "9"
    & skf18("5","3","10","9","7","10","1") = "9"
    & skf18("5","3","10","9","8","1","1") = "9"
    & skf18("5","3","10","9","8","2","1") = "9"
    & skf18("5","3","10","9","8","3","1") = "9"
    & skf18("5","3","10","9","8","4","1") = "9"
    & skf18("5","3","10","9","8","5","1") = "9"
    & skf18("5","3","10","9","8","6","1") = "9"
    & skf18("5","3","10","9","8","7","1") = "9"
    & skf18("5","3","10","9","8","8","1") = "9"
    & skf18("5","3","10","9","8","9","1") = "9"
    & skf18("5","3","10","9","8","10","1") = "9"
    & skf18("5","3","10","9","9","1","1") = "9"
    & skf18("5","3","10","9","9","2","1") = "9"
    & skf18("5","3","10","9","9","3","1") = "9"
    & skf18("5","3","10","9","9","4","1") = "9"
    & skf18("5","3","10","9","9","5","1") = "9"
    & skf18("5","3","10","9","9","6","1") = "9"
    & skf18("5","3","10","9","9","7","1") = "9"
    & skf18("5","3","10","9","9","8","1") = "9"
    & skf18("5","3","10","9","9","9","1") = "9"
    & skf18("5","3","10","9","9","10","1") = "9"
    & skf18("5","3","10","9","10","1","1") = "9"
    & skf18("5","3","10","9","10","2","1") = "9"
    & skf18("5","3","10","9","10","3","1") = "9"
    & skf18("5","3","10","9","10","4","1") = "9"
    & skf18("5","3","10","9","10","5","1") = "9"
    & skf18("5","3","10","9","10","6","1") = "9"
    & skf18("5","3","10","9","10","7","1") = "9"
    & skf18("5","3","10","9","10","8","1") = "9"
    & skf18("5","3","10","9","10","9","1") = "9"
    & skf18("5","3","10","9","10","10","1") = "9"
    & skf18("5","3","10","10","1","1","1") = "9"
    & skf18("5","3","10","10","1","2","1") = "9"
    & skf18("5","3","10","10","1","3","1") = "9"
    & skf18("5","3","10","10","1","4","1") = "9"
    & skf18("5","3","10","10","1","5","1") = "9"
    & skf18("5","3","10","10","1","6","1") = "9"
    & skf18("5","3","10","10","1","7","1") = "9"
    & skf18("5","3","10","10","1","8","1") = "9"
    & skf18("5","3","10","10","1","9","1") = "9"
    & skf18("5","3","10","10","1","10","1") = "9"
    & skf18("5","3","10","10","2","1","1") = "9"
    & skf18("5","3","10","10","2","2","1") = "9"
    & skf18("5","3","10","10","2","3","1") = "9"
    & skf18("5","3","10","10","2","4","1") = "9"
    & skf18("5","3","10","10","2","5","1") = "9"
    & skf18("5","3","10","10","2","6","1") = "9"
    & skf18("5","3","10","10","2","7","1") = "9"
    & skf18("5","3","10","10","2","8","1") = "9"
    & skf18("5","3","10","10","2","9","1") = "9"
    & skf18("5","3","10","10","2","10","1") = "9"
    & skf18("5","3","10","10","3","1","1") = "9"
    & skf18("5","3","10","10","3","2","1") = "9"
    & skf18("5","3","10","10","3","3","1") = "9"
    & skf18("5","3","10","10","3","4","1") = "9"
    & skf18("5","3","10","10","3","5","1") = "9"
    & skf18("5","3","10","10","3","6","1") = "9"
    & skf18("5","3","10","10","3","7","1") = "9"
    & skf18("5","3","10","10","3","8","1") = "9"
    & skf18("5","3","10","10","3","9","1") = "9"
    & skf18("5","3","10","10","3","10","1") = "9"
    & skf18("5","3","10","10","4","1","1") = "9"
    & skf18("5","3","10","10","4","2","1") = "9"
    & skf18("5","3","10","10","4","3","1") = "9"
    & skf18("5","3","10","10","4","4","1") = "9"
    & skf18("5","3","10","10","4","5","1") = "9"
    & skf18("5","3","10","10","4","6","1") = "9"
    & skf18("5","3","10","10","4","7","1") = "9"
    & skf18("5","3","10","10","4","8","1") = "9"
    & skf18("5","3","10","10","4","9","1") = "9"
    & skf18("5","3","10","10","4","10","1") = "9"
    & skf18("5","3","10","10","5","1","1") = "9"
    & skf18("5","3","10","10","5","2","1") = "9"
    & skf18("5","3","10","10","5","3","1") = "9"
    & skf18("5","3","10","10","5","4","1") = "9"
    & skf18("5","3","10","10","5","5","1") = "9"
    & skf18("5","3","10","10","5","6","1") = "9"
    & skf18("5","3","10","10","5","7","1") = "9"
    & skf18("5","3","10","10","5","8","1") = "9"
    & skf18("5","3","10","10","5","9","1") = "9"
    & skf18("5","3","10","10","5","10","1") = "9"
    & skf18("5","3","10","10","6","1","1") = "9"
    & skf18("5","3","10","10","6","2","1") = "9"
    & skf18("5","3","10","10","6","3","1") = "9"
    & skf18("5","3","10","10","6","4","1") = "9"
    & skf18("5","3","10","10","6","5","1") = "9"
    & skf18("5","3","10","10","6","6","1") = "9"
    & skf18("5","3","10","10","6","7","1") = "9"
    & skf18("5","3","10","10","6","8","1") = "9"
    & skf18("5","3","10","10","6","9","1") = "9"
    & skf18("5","3","10","10","6","10","1") = "9"
    & skf18("5","3","10","10","7","1","1") = "9"
    & skf18("5","3","10","10","7","2","1") = "9"
    & skf18("5","3","10","10","7","3","1") = "9"
    & skf18("5","3","10","10","7","4","1") = "9"
    & skf18("5","3","10","10","7","5","1") = "9"
    & skf18("5","3","10","10","7","6","1") = "9"
    & skf18("5","3","10","10","7","7","1") = "9"
    & skf18("5","3","10","10","7","8","1") = "9"
    & skf18("5","3","10","10","7","9","1") = "9"
    & skf18("5","3","10","10","7","10","1") = "9"
    & skf18("5","3","10","10","8","1","1") = "9"
    & skf18("5","3","10","10","8","2","1") = "9"
    & skf18("5","3","10","10","8","3","1") = "9"
    & skf18("5","3","10","10","8","4","1") = "9"
    & skf18("5","3","10","10","8","5","1") = "9"
    & skf18("5","3","10","10","8","6","1") = "9"
    & skf18("5","3","10","10","8","7","1") = "9"
    & skf18("5","3","10","10","8","8","1") = "9"
    & skf18("5","3","10","10","8","9","1") = "9"
    & skf18("5","3","10","10","8","10","1") = "9"
    & skf18("5","3","10","10","9","1","1") = "9"
    & skf18("5","3","10","10","9","2","1") = "9"
    & skf18("5","3","10","10","9","3","1") = "9"
    & skf18("5","3","10","10","9","4","1") = "9"
    & skf18("5","3","10","10","9","5","1") = "9"
    & skf18("5","3","10","10","9","6","1") = "9"
    & skf18("5","3","10","10","9","7","1") = "9"
    & skf18("5","3","10","10","9","8","1") = "9"
    & skf18("5","3","10","10","9","9","1") = "9"
    & skf18("5","3","10","10","9","10","1") = "9"
    & skf18("5","3","10","10","10","1","1") = "9"
    & skf18("5","3","10","10","10","2","1") = "9"
    & skf18("5","3","10","10","10","3","1") = "9"
    & skf18("5","3","10","10","10","4","1") = "9"
    & skf18("5","3","10","10","10","5","1") = "9"
    & skf18("5","3","10","10","10","6","1") = "9"
    & skf18("5","3","10","10","10","7","1") = "9"
    & skf18("5","3","10","10","10","8","1") = "9"
    & skf18("5","3","10","10","10","9","1") = "9"
    & skf18("5","3","10","10","10","10","1") = "9"
    & skf18("5","4","1","1","1","1","1") = "4"
    & skf18("5","4","1","1","1","2","1") = "4"
    & skf18("5","4","1","1","1","3","1") = "4"
    & skf18("5","4","1","1","1","4","1") = "4"
    & skf18("5","4","1","1","1","5","1") = "4"
    & skf18("5","4","1","1","1","6","1") = "5"
    & skf18("5","4","1","1","1","7","1") = "6"
    & skf18("5","4","1","1","1","8","1") = "7"
    & skf18("5","4","1","1","1","9","1") = "8"
    & skf18("5","4","1","1","1","10","1") = "9"
    & skf18("5","4","1","1","2","1","1") = "4"
    & skf18("5","4","1","1","2","2","1") = "4"
    & skf18("5","4","1","1","2","3","1") = "4"
    & skf18("5","4","1","1","2","4","1") = "4"
    & skf18("5","4","1","1","2","5","1") = "4"
    & skf18("5","4","1","1","2","6","1") = "5"
    & skf18("5","4","1","1","2","7","1") = "6"
    & skf18("5","4","1","1","2","8","1") = "7"
    & skf18("5","4","1","1","2","9","1") = "8"
    & skf18("5","4","1","1","2","10","1") = "9"
    & skf18("5","4","1","1","3","1","1") = "4"
    & skf18("5","4","1","1","3","2","1") = "4"
    & skf18("5","4","1","1","3","3","1") = "4"
    & skf18("5","4","1","1","3","4","1") = "4"
    & skf18("5","4","1","1","3","5","1") = "4"
    & skf18("5","4","1","1","3","6","1") = "5"
    & skf18("5","4","1","1","3","7","1") = "6"
    & skf18("5","4","1","1","3","8","1") = "7"
    & skf18("5","4","1","1","3","9","1") = "8"
    & skf18("5","4","1","1","3","10","1") = "9"
    & skf18("5","4","1","1","4","1","1") = "4"
    & skf18("5","4","1","1","4","2","1") = "4"
    & skf18("5","4","1","1","4","3","1") = "4"
    & skf18("5","4","1","1","4","4","1") = "4"
    & skf18("5","4","1","1","4","5","1") = "4"
    & skf18("5","4","1","1","4","6","1") = "5"
    & skf18("5","4","1","1","4","7","1") = "6"
    & skf18("5","4","1","1","4","8","1") = "7"
    & skf18("5","4","1","1","4","9","1") = "8"
    & skf18("5","4","1","1","4","10","1") = "9"
    & skf18("5","4","1","1","5","1","1") = "4"
    & skf18("5","4","1","1","5","2","1") = "4"
    & skf18("5","4","1","1","5","3","1") = "4"
    & skf18("5","4","1","1","5","4","1") = "4"
    & skf18("5","4","1","1","5","5","1") = "4"
    & skf18("5","4","1","1","5","6","1") = "5"
    & skf18("5","4","1","1","5","7","1") = "6"
    & skf18("5","4","1","1","5","8","1") = "7"
    & skf18("5","4","1","1","5","9","1") = "8"
    & skf18("5","4","1","1","5","10","1") = "9"
    & skf18("5","4","1","1","6","1","1") = "5"
    & skf18("5","4","1","1","6","2","1") = "5"
    & skf18("5","4","1","1","6","3","1") = "5"
    & skf18("5","4","1","1","6","4","1") = "5"
    & skf18("5","4","1","1","6","5","1") = "5"
    & skf18("5","4","1","1","6","6","1") = "5"
    & skf18("5","4","1","1","6","7","1") = "6"
    & skf18("5","4","1","1","6","8","1") = "7"
    & skf18("5","4","1","1","6","9","1") = "8"
    & skf18("5","4","1","1","6","10","1") = "9"
    & skf18("5","4","1","1","7","1","1") = "6"
    & skf18("5","4","1","1","7","2","1") = "6"
    & skf18("5","4","1","1","7","3","1") = "6"
    & skf18("5","4","1","1","7","4","1") = "6"
    & skf18("5","4","1","1","7","5","1") = "6"
    & skf18("5","4","1","1","7","6","1") = "6"
    & skf18("5","4","1","1","7","7","1") = "6"
    & skf18("5","4","1","1","7","8","1") = "7"
    & skf18("5","4","1","1","7","9","1") = "8"
    & skf18("5","4","1","1","7","10","1") = "9"
    & skf18("5","4","1","1","8","1","1") = "7"
    & skf18("5","4","1","1","8","2","1") = "7"
    & skf18("5","4","1","1","8","3","1") = "7"
    & skf18("5","4","1","1","8","4","1") = "7"
    & skf18("5","4","1","1","8","5","1") = "7"
    & skf18("5","4","1","1","8","6","1") = "7"
    & skf18("5","4","1","1","8","7","1") = "7"
    & skf18("5","4","1","1","8","8","1") = "7"
    & skf18("5","4","1","1","8","9","1") = "8"
    & skf18("5","4","1","1","8","10","1") = "9"
    & skf18("5","4","1","1","9","1","1") = "8"
    & skf18("5","4","1","1","9","2","1") = "8"
    & skf18("5","4","1","1","9","3","1") = "8"
    & skf18("5","4","1","1","9","4","1") = "8"
    & skf18("5","4","1","1","9","5","1") = "8"
    & skf18("5","4","1","1","9","6","1") = "8"
    & skf18("5","4","1","1","9","7","1") = "8"
    & skf18("5","4","1","1","9","8","1") = "8"
    & skf18("5","4","1","1","9","9","1") = "8"
    & skf18("5","4","1","1","9","10","1") = "9"
    & skf18("5","4","1","1","10","1","1") = "9"
    & skf18("5","4","1","1","10","2","1") = "9"
    & skf18("5","4","1","1","10","3","1") = "9"
    & skf18("5","4","1","1","10","4","1") = "9"
    & skf18("5","4","1","1","10","5","1") = "9"
    & skf18("5","4","1","1","10","6","1") = "9"
    & skf18("5","4","1","1","10","7","1") = "9"
    & skf18("5","4","1","1","10","8","1") = "9"
    & skf18("5","4","1","1","10","9","1") = "9"
    & skf18("5","4","1","1","10","10","1") = "9"
    & skf18("5","4","1","2","1","1","1") = "4"
    & skf18("5","4","1","2","1","2","1") = "4"
    & skf18("5","4","1","2","1","3","1") = "4"
    & skf18("5","4","1","2","1","4","1") = "4"
    & skf18("5","4","1","2","1","5","1") = "4"
    & skf18("5","4","1","2","1","6","1") = "5"
    & skf18("5","4","1","2","1","7","1") = "6"
    & skf18("5","4","1","2","1","8","1") = "7"
    & skf18("5","4","1","2","1","9","1") = "8"
    & skf18("5","4","1","2","1","10","1") = "9"
    & skf18("5","4","1","2","2","1","1") = "4"
    & skf18("5","4","1","2","2","2","1") = "4"
    & skf18("5","4","1","2","2","3","1") = "4"
    & skf18("5","4","1","2","2","4","1") = "4"
    & skf18("5","4","1","2","2","5","1") = "4"
    & skf18("5","4","1","2","2","6","1") = "5"
    & skf18("5","4","1","2","2","7","1") = "6"
    & skf18("5","4","1","2","2","8","1") = "7"
    & skf18("5","4","1","2","2","9","1") = "8"
    & skf18("5","4","1","2","2","10","1") = "9"
    & skf18("5","4","1","2","3","1","1") = "4"
    & skf18("5","4","1","2","3","2","1") = "4"
    & skf18("5","4","1","2","3","3","1") = "4"
    & skf18("5","4","1","2","3","4","1") = "4"
    & skf18("5","4","1","2","3","5","1") = "4"
    & skf18("5","4","1","2","3","6","1") = "5"
    & skf18("5","4","1","2","3","7","1") = "6"
    & skf18("5","4","1","2","3","8","1") = "7"
    & skf18("5","4","1","2","3","9","1") = "8"
    & skf18("5","4","1","2","3","10","1") = "9"
    & skf18("5","4","1","2","4","1","1") = "4"
    & skf18("5","4","1","2","4","2","1") = "4"
    & skf18("5","4","1","2","4","3","1") = "4"
    & skf18("5","4","1","2","4","4","1") = "4"
    & skf18("5","4","1","2","4","5","1") = "4"
    & skf18("5","4","1","2","4","6","1") = "5"
    & skf18("5","4","1","2","4","7","1") = "6"
    & skf18("5","4","1","2","4","8","1") = "7"
    & skf18("5","4","1","2","4","9","1") = "8"
    & skf18("5","4","1","2","4","10","1") = "9"
    & skf18("5","4","1","2","5","1","1") = "4"
    & skf18("5","4","1","2","5","2","1") = "4"
    & skf18("5","4","1","2","5","3","1") = "4"
    & skf18("5","4","1","2","5","4","1") = "4"
    & skf18("5","4","1","2","5","5","1") = "4"
    & skf18("5","4","1","2","5","6","1") = "5"
    & skf18("5","4","1","2","5","7","1") = "6"
    & skf18("5","4","1","2","5","8","1") = "7"
    & skf18("5","4","1","2","5","9","1") = "8"
    & skf18("5","4","1","2","5","10","1") = "9"
    & skf18("5","4","1","2","6","1","1") = "5"
    & skf18("5","4","1","2","6","2","1") = "5"
    & skf18("5","4","1","2","6","3","1") = "5"
    & skf18("5","4","1","2","6","4","1") = "5"
    & skf18("5","4","1","2","6","5","1") = "5"
    & skf18("5","4","1","2","6","6","1") = "5"
    & skf18("5","4","1","2","6","7","1") = "6"
    & skf18("5","4","1","2","6","8","1") = "7"
    & skf18("5","4","1","2","6","9","1") = "8"
    & skf18("5","4","1","2","6","10","1") = "9"
    & skf18("5","4","1","2","7","1","1") = "6"
    & skf18("5","4","1","2","7","2","1") = "6"
    & skf18("5","4","1","2","7","3","1") = "6"
    & skf18("5","4","1","2","7","4","1") = "6"
    & skf18("5","4","1","2","7","5","1") = "6"
    & skf18("5","4","1","2","7","6","1") = "6"
    & skf18("5","4","1","2","7","7","1") = "6"
    & skf18("5","4","1","2","7","8","1") = "7"
    & skf18("5","4","1","2","7","9","1") = "8"
    & skf18("5","4","1","2","7","10","1") = "9"
    & skf18("5","4","1","2","8","1","1") = "7"
    & skf18("5","4","1","2","8","2","1") = "7"
    & skf18("5","4","1","2","8","3","1") = "7"
    & skf18("5","4","1","2","8","4","1") = "7"
    & skf18("5","4","1","2","8","5","1") = "7"
    & skf18("5","4","1","2","8","6","1") = "7"
    & skf18("5","4","1","2","8","7","1") = "7"
    & skf18("5","4","1","2","8","8","1") = "7"
    & skf18("5","4","1","2","8","9","1") = "8"
    & skf18("5","4","1","2","8","10","1") = "9"
    & skf18("5","4","1","2","9","1","1") = "8"
    & skf18("5","4","1","2","9","2","1") = "8"
    & skf18("5","4","1","2","9","3","1") = "8"
    & skf18("5","4","1","2","9","4","1") = "8"
    & skf18("5","4","1","2","9","5","1") = "8"
    & skf18("5","4","1","2","9","6","1") = "8"
    & skf18("5","4","1","2","9","7","1") = "8"
    & skf18("5","4","1","2","9","8","1") = "8"
    & skf18("5","4","1","2","9","9","1") = "8"
    & skf18("5","4","1","2","9","10","1") = "9"
    & skf18("5","4","1","2","10","1","1") = "9"
    & skf18("5","4","1","2","10","2","1") = "9"
    & skf18("5","4","1","2","10","3","1") = "9"
    & skf18("5","4","1","2","10","4","1") = "9"
    & skf18("5","4","1","2","10","5","1") = "9"
    & skf18("5","4","1","2","10","6","1") = "9"
    & skf18("5","4","1","2","10","7","1") = "9"
    & skf18("5","4","1","2","10","8","1") = "9"
    & skf18("5","4","1","2","10","9","1") = "9"
    & skf18("5","4","1","2","10","10","1") = "9"
    & skf18("5","4","1","3","1","1","1") = "4"
    & skf18("5","4","1","3","1","2","1") = "4"
    & skf18("5","4","1","3","1","3","1") = "4"
    & skf18("5","4","1","3","1","4","1") = "4"
    & skf18("5","4","1","3","1","5","1") = "4"
    & skf18("5","4","1","3","1","6","1") = "5"
    & skf18("5","4","1","3","1","7","1") = "6"
    & skf18("5","4","1","3","1","8","1") = "7"
    & skf18("5","4","1","3","1","9","1") = "8"
    & skf18("5","4","1","3","1","10","1") = "9"
    & skf18("5","4","1","3","2","1","1") = "4"
    & skf18("5","4","1","3","2","2","1") = "4"
    & skf18("5","4","1","3","2","3","1") = "4"
    & skf18("5","4","1","3","2","4","1") = "4"
    & skf18("5","4","1","3","2","5","1") = "4"
    & skf18("5","4","1","3","2","6","1") = "5"
    & skf18("5","4","1","3","2","7","1") = "6"
    & skf18("5","4","1","3","2","8","1") = "7"
    & skf18("5","4","1","3","2","9","1") = "8"
    & skf18("5","4","1","3","2","10","1") = "9"
    & skf18("5","4","1","3","3","1","1") = "4"
    & skf18("5","4","1","3","3","2","1") = "4"
    & skf18("5","4","1","3","3","3","1") = "4"
    & skf18("5","4","1","3","3","4","1") = "4"
    & skf18("5","4","1","3","3","5","1") = "4"
    & skf18("5","4","1","3","3","6","1") = "5"
    & skf18("5","4","1","3","3","7","1") = "6"
    & skf18("5","4","1","3","3","8","1") = "7"
    & skf18("5","4","1","3","3","9","1") = "8"
    & skf18("5","4","1","3","3","10","1") = "9"
    & skf18("5","4","1","3","4","1","1") = "4"
    & skf18("5","4","1","3","4","2","1") = "4"
    & skf18("5","4","1","3","4","3","1") = "4"
    & skf18("5","4","1","3","4","4","1") = "4"
    & skf18("5","4","1","3","4","5","1") = "4"
    & skf18("5","4","1","3","4","6","1") = "5"
    & skf18("5","4","1","3","4","7","1") = "6"
    & skf18("5","4","1","3","4","8","1") = "7"
    & skf18("5","4","1","3","4","9","1") = "8"
    & skf18("5","4","1","3","4","10","1") = "9"
    & skf18("5","4","1","3","5","1","1") = "4"
    & skf18("5","4","1","3","5","2","1") = "4"
    & skf18("5","4","1","3","5","3","1") = "4"
    & skf18("5","4","1","3","5","4","1") = "4"
    & skf18("5","4","1","3","5","5","1") = "4"
    & skf18("5","4","1","3","5","6","1") = "5"
    & skf18("5","4","1","3","5","7","1") = "6"
    & skf18("5","4","1","3","5","8","1") = "7"
    & skf18("5","4","1","3","5","9","1") = "8"
    & skf18("5","4","1","3","5","10","1") = "9"
    & skf18("5","4","1","3","6","1","1") = "5"
    & skf18("5","4","1","3","6","2","1") = "5"
    & skf18("5","4","1","3","6","3","1") = "5"
    & skf18("5","4","1","3","6","4","1") = "5"
    & skf18("5","4","1","3","6","5","1") = "5"
    & skf18("5","4","1","3","6","6","1") = "5"
    & skf18("5","4","1","3","6","7","1") = "6"
    & skf18("5","4","1","3","6","8","1") = "7"
    & skf18("5","4","1","3","6","9","1") = "8"
    & skf18("5","4","1","3","6","10","1") = "9"
    & skf18("5","4","1","3","7","1","1") = "6"
    & skf18("5","4","1","3","7","2","1") = "6"
    & skf18("5","4","1","3","7","3","1") = "6"
    & skf18("5","4","1","3","7","4","1") = "6"
    & skf18("5","4","1","3","7","5","1") = "6"
    & skf18("5","4","1","3","7","6","1") = "6"
    & skf18("5","4","1","3","7","7","1") = "6"
    & skf18("5","4","1","3","7","8","1") = "7"
    & skf18("5","4","1","3","7","9","1") = "8"
    & skf18("5","4","1","3","7","10","1") = "9"
    & skf18("5","4","1","3","8","1","1") = "7"
    & skf18("5","4","1","3","8","2","1") = "7"
    & skf18("5","4","1","3","8","3","1") = "7"
    & skf18("5","4","1","3","8","4","1") = "7"
    & skf18("5","4","1","3","8","5","1") = "7"
    & skf18("5","4","1","3","8","6","1") = "7"
    & skf18("5","4","1","3","8","7","1") = "7"
    & skf18("5","4","1","3","8","8","1") = "7"
    & skf18("5","4","1","3","8","9","1") = "8"
    & skf18("5","4","1","3","8","10","1") = "9"
    & skf18("5","4","1","3","9","1","1") = "8"
    & skf18("5","4","1","3","9","2","1") = "8"
    & skf18("5","4","1","3","9","3","1") = "8"
    & skf18("5","4","1","3","9","4","1") = "8"
    & skf18("5","4","1","3","9","5","1") = "8"
    & skf18("5","4","1","3","9","6","1") = "8"
    & skf18("5","4","1","3","9","7","1") = "8"
    & skf18("5","4","1","3","9","8","1") = "8"
    & skf18("5","4","1","3","9","9","1") = "8"
    & skf18("5","4","1","3","9","10","1") = "9"
    & skf18("5","4","1","3","10","1","1") = "9"
    & skf18("5","4","1","3","10","2","1") = "9"
    & skf18("5","4","1","3","10","3","1") = "9"
    & skf18("5","4","1","3","10","4","1") = "9"
    & skf18("5","4","1","3","10","5","1") = "9"
    & skf18("5","4","1","3","10","6","1") = "9"
    & skf18("5","4","1","3","10","7","1") = "9"
    & skf18("5","4","1","3","10","8","1") = "9"
    & skf18("5","4","1","3","10","9","1") = "9"
    & skf18("5","4","1","3","10","10","1") = "9"
    & skf18("5","4","1","4","1","1","1") = "4"
    & skf18("5","4","1","4","1","2","1") = "4"
    & skf18("5","4","1","4","1","3","1") = "4"
    & skf18("5","4","1","4","1","4","1") = "4"
    & skf18("5","4","1","4","1","5","1") = "4"
    & skf18("5","4","1","4","1","6","1") = "5"
    & skf18("5","4","1","4","1","7","1") = "6"
    & skf18("5","4","1","4","1","8","1") = "7"
    & skf18("5","4","1","4","1","9","1") = "8"
    & skf18("5","4","1","4","1","10","1") = "9"
    & skf18("5","4","1","4","2","1","1") = "4"
    & skf18("5","4","1","4","2","2","1") = "4"
    & skf18("5","4","1","4","2","3","1") = "4"
    & skf18("5","4","1","4","2","4","1") = "4"
    & skf18("5","4","1","4","2","5","1") = "4"
    & skf18("5","4","1","4","2","6","1") = "5"
    & skf18("5","4","1","4","2","7","1") = "6"
    & skf18("5","4","1","4","2","8","1") = "7"
    & skf18("5","4","1","4","2","9","1") = "8"
    & skf18("5","4","1","4","2","10","1") = "9"
    & skf18("5","4","1","4","3","1","1") = "4"
    & skf18("5","4","1","4","3","2","1") = "4"
    & skf18("5","4","1","4","3","3","1") = "4"
    & skf18("5","4","1","4","3","4","1") = "4"
    & skf18("5","4","1","4","3","5","1") = "4"
    & skf18("5","4","1","4","3","6","1") = "5"
    & skf18("5","4","1","4","3","7","1") = "6"
    & skf18("5","4","1","4","3","8","1") = "7"
    & skf18("5","4","1","4","3","9","1") = "8"
    & skf18("5","4","1","4","3","10","1") = "9"
    & skf18("5","4","1","4","4","1","1") = "4"
    & skf18("5","4","1","4","4","2","1") = "4"
    & skf18("5","4","1","4","4","3","1") = "4"
    & skf18("5","4","1","4","4","4","1") = "4"
    & skf18("5","4","1","4","4","5","1") = "4"
    & skf18("5","4","1","4","4","6","1") = "5"
    & skf18("5","4","1","4","4","7","1") = "6"
    & skf18("5","4","1","4","4","8","1") = "7"
    & skf18("5","4","1","4","4","9","1") = "8"
    & skf18("5","4","1","4","4","10","1") = "9"
    & skf18("5","4","1","4","5","1","1") = "4"
    & skf18("5","4","1","4","5","2","1") = "4"
    & skf18("5","4","1","4","5","3","1") = "4"
    & skf18("5","4","1","4","5","4","1") = "4"
    & skf18("5","4","1","4","5","5","1") = "4"
    & skf18("5","4","1","4","5","6","1") = "5"
    & skf18("5","4","1","4","5","7","1") = "6"
    & skf18("5","4","1","4","5","8","1") = "7"
    & skf18("5","4","1","4","5","9","1") = "8"
    & skf18("5","4","1","4","5","10","1") = "9"
    & skf18("5","4","1","4","6","1","1") = "5"
    & skf18("5","4","1","4","6","2","1") = "5"
    & skf18("5","4","1","4","6","3","1") = "5"
    & skf18("5","4","1","4","6","4","1") = "5"
    & skf18("5","4","1","4","6","5","1") = "5"
    & skf18("5","4","1","4","6","6","1") = "5"
    & skf18("5","4","1","4","6","7","1") = "6"
    & skf18("5","4","1","4","6","8","1") = "7"
    & skf18("5","4","1","4","6","9","1") = "8"
    & skf18("5","4","1","4","6","10","1") = "9"
    & skf18("5","4","1","4","7","1","1") = "6"
    & skf18("5","4","1","4","7","2","1") = "6"
    & skf18("5","4","1","4","7","3","1") = "6"
    & skf18("5","4","1","4","7","4","1") = "6"
    & skf18("5","4","1","4","7","5","1") = "6"
    & skf18("5","4","1","4","7","6","1") = "6"
    & skf18("5","4","1","4","7","7","1") = "6"
    & skf18("5","4","1","4","7","8","1") = "7"
    & skf18("5","4","1","4","7","9","1") = "8"
    & skf18("5","4","1","4","7","10","1") = "9"
    & skf18("5","4","1","4","8","1","1") = "7"
    & skf18("5","4","1","4","8","2","1") = "7"
    & skf18("5","4","1","4","8","3","1") = "7"
    & skf18("5","4","1","4","8","4","1") = "7"
    & skf18("5","4","1","4","8","5","1") = "7"
    & skf18("5","4","1","4","8","6","1") = "7"
    & skf18("5","4","1","4","8","7","1") = "7"
    & skf18("5","4","1","4","8","8","1") = "7"
    & skf18("5","4","1","4","8","9","1") = "8"
    & skf18("5","4","1","4","8","10","1") = "9"
    & skf18("5","4","1","4","9","1","1") = "8"
    & skf18("5","4","1","4","9","2","1") = "8"
    & skf18("5","4","1","4","9","3","1") = "8"
    & skf18("5","4","1","4","9","4","1") = "8"
    & skf18("5","4","1","4","9","5","1") = "8"
    & skf18("5","4","1","4","9","6","1") = "8"
    & skf18("5","4","1","4","9","7","1") = "8"
    & skf18("5","4","1","4","9","8","1") = "8"
    & skf18("5","4","1","4","9","9","1") = "8"
    & skf18("5","4","1","4","9","10","1") = "9"
    & skf18("5","4","1","4","10","1","1") = "9"
    & skf18("5","4","1","4","10","2","1") = "9"
    & skf18("5","4","1","4","10","3","1") = "9"
    & skf18("5","4","1","4","10","4","1") = "9"
    & skf18("5","4","1","4","10","5","1") = "9"
    & skf18("5","4","1","4","10","6","1") = "9"
    & skf18("5","4","1","4","10","7","1") = "9"
    & skf18("5","4","1","4","10","8","1") = "9"
    & skf18("5","4","1","4","10","9","1") = "9"
    & skf18("5","4","1","4","10","10","1") = "9"
    & skf18("5","4","1","5","1","1","1") = "4"
    & skf18("5","4","1","5","1","2","1") = "4"
    & skf18("5","4","1","5","1","3","1") = "4"
    & skf18("5","4","1","5","1","4","1") = "4"
    & skf18("5","4","1","5","1","5","1") = "4"
    & skf18("5","4","1","5","1","6","1") = "5"
    & skf18("5","4","1","5","1","7","1") = "6"
    & skf18("5","4","1","5","1","8","1") = "7"
    & skf18("5","4","1","5","1","9","1") = "8"
    & skf18("5","4","1","5","1","10","1") = "9"
    & skf18("5","4","1","5","2","1","1") = "4"
    & skf18("5","4","1","5","2","2","1") = "4"
    & skf18("5","4","1","5","2","3","1") = "4"
    & skf18("5","4","1","5","2","4","1") = "4"
    & skf18("5","4","1","5","2","5","1") = "4"
    & skf18("5","4","1","5","2","6","1") = "5"
    & skf18("5","4","1","5","2","7","1") = "6"
    & skf18("5","4","1","5","2","8","1") = "7"
    & skf18("5","4","1","5","2","9","1") = "8"
    & skf18("5","4","1","5","2","10","1") = "9"
    & skf18("5","4","1","5","3","1","1") = "4"
    & skf18("5","4","1","5","3","2","1") = "4"
    & skf18("5","4","1","5","3","3","1") = "4"
    & skf18("5","4","1","5","3","4","1") = "4"
    & skf18("5","4","1","5","3","5","1") = "4"
    & skf18("5","4","1","5","3","6","1") = "5"
    & skf18("5","4","1","5","3","7","1") = "6"
    & skf18("5","4","1","5","3","8","1") = "7"
    & skf18("5","4","1","5","3","9","1") = "8"
    & skf18("5","4","1","5","3","10","1") = "9"
    & skf18("5","4","1","5","4","1","1") = "4"
    & skf18("5","4","1","5","4","2","1") = "4"
    & skf18("5","4","1","5","4","3","1") = "4"
    & skf18("5","4","1","5","4","4","1") = "4"
    & skf18("5","4","1","5","4","5","1") = "4"
    & skf18("5","4","1","5","4","6","1") = "5"
    & skf18("5","4","1","5","4","7","1") = "6"
    & skf18("5","4","1","5","4","8","1") = "7"
    & skf18("5","4","1","5","4","9","1") = "8"
    & skf18("5","4","1","5","4","10","1") = "9"
    & skf18("5","4","1","5","5","1","1") = "4"
    & skf18("5","4","1","5","5","2","1") = "4"
    & skf18("5","4","1","5","5","3","1") = "4"
    & skf18("5","4","1","5","5","4","1") = "4"
    & skf18("5","4","1","5","5","5","1") = "4"
    & skf18("5","4","1","5","5","6","1") = "5"
    & skf18("5","4","1","5","5","7","1") = "6"
    & skf18("5","4","1","5","5","8","1") = "7"
    & skf18("5","4","1","5","5","9","1") = "8"
    & skf18("5","4","1","5","5","10","1") = "9"
    & skf18("5","4","1","5","6","1","1") = "5"
    & skf18("5","4","1","5","6","2","1") = "5"
    & skf18("5","4","1","5","6","3","1") = "5"
    & skf18("5","4","1","5","6","4","1") = "5"
    & skf18("5","4","1","5","6","5","1") = "5"
    & skf18("5","4","1","5","6","6","1") = "5"
    & skf18("5","4","1","5","6","7","1") = "6"
    & skf18("5","4","1","5","6","8","1") = "7"
    & skf18("5","4","1","5","6","9","1") = "8"
    & skf18("5","4","1","5","6","10","1") = "9"
    & skf18("5","4","1","5","7","1","1") = "6"
    & skf18("5","4","1","5","7","2","1") = "6"
    & skf18("5","4","1","5","7","3","1") = "6"
    & skf18("5","4","1","5","7","4","1") = "6"
    & skf18("5","4","1","5","7","5","1") = "6"
    & skf18("5","4","1","5","7","6","1") = "6"
    & skf18("5","4","1","5","7","7","1") = "6"
    & skf18("5","4","1","5","7","8","1") = "7"
    & skf18("5","4","1","5","7","9","1") = "8"
    & skf18("5","4","1","5","7","10","1") = "9"
    & skf18("5","4","1","5","8","1","1") = "7"
    & skf18("5","4","1","5","8","2","1") = "7"
    & skf18("5","4","1","5","8","3","1") = "7"
    & skf18("5","4","1","5","8","4","1") = "7"
    & skf18("5","4","1","5","8","5","1") = "7"
    & skf18("5","4","1","5","8","6","1") = "7"
    & skf18("5","4","1","5","8","7","1") = "7"
    & skf18("5","4","1","5","8","8","1") = "7"
    & skf18("5","4","1","5","8","9","1") = "8"
    & skf18("5","4","1","5","8","10","1") = "9"
    & skf18("5","4","1","5","9","1","1") = "8"
    & skf18("5","4","1","5","9","2","1") = "8"
    & skf18("5","4","1","5","9","3","1") = "8"
    & skf18("5","4","1","5","9","4","1") = "8"
    & skf18("5","4","1","5","9","5","1") = "8"
    & skf18("5","4","1","5","9","6","1") = "8"
    & skf18("5","4","1","5","9","7","1") = "8"
    & skf18("5","4","1","5","9","8","1") = "8"
    & skf18("5","4","1","5","9","9","1") = "8"
    & skf18("5","4","1","5","9","10","1") = "9"
    & skf18("5","4","1","5","10","1","1") = "9"
    & skf18("5","4","1","5","10","2","1") = "9"
    & skf18("5","4","1","5","10","3","1") = "9"
    & skf18("5","4","1","5","10","4","1") = "9"
    & skf18("5","4","1","5","10","5","1") = "9"
    & skf18("5","4","1","5","10","6","1") = "9"
    & skf18("5","4","1","5","10","7","1") = "9"
    & skf18("5","4","1","5","10","8","1") = "9"
    & skf18("5","4","1","5","10","9","1") = "9"
    & skf18("5","4","1","5","10","10","1") = "9"
    & skf18("5","4","1","6","1","1","1") = "5"
    & skf18("5","4","1","6","1","2","1") = "5"
    & skf18("5","4","1","6","1","3","1") = "5"
    & skf18("5","4","1","6","1","4","1") = "5"
    & skf18("5","4","1","6","1","5","1") = "5"
    & skf18("5","4","1","6","1","6","1") = "5"
    & skf18("5","4","1","6","1","7","1") = "6"
    & skf18("5","4","1","6","1","8","1") = "7"
    & skf18("5","4","1","6","1","9","1") = "8"
    & skf18("5","4","1","6","1","10","1") = "9"
    & skf18("5","4","1","6","2","1","1") = "5"
    & skf18("5","4","1","6","2","2","1") = "5"
    & skf18("5","4","1","6","2","3","1") = "5"
    & skf18("5","4","1","6","2","4","1") = "5"
    & skf18("5","4","1","6","2","5","1") = "5"
    & skf18("5","4","1","6","2","6","1") = "5"
    & skf18("5","4","1","6","2","7","1") = "6"
    & skf18("5","4","1","6","2","8","1") = "7"
    & skf18("5","4","1","6","2","9","1") = "8"
    & skf18("5","4","1","6","2","10","1") = "9"
    & skf18("5","4","1","6","3","1","1") = "5"
    & skf18("5","4","1","6","3","2","1") = "5"
    & skf18("5","4","1","6","3","3","1") = "5"
    & skf18("5","4","1","6","3","4","1") = "5"
    & skf18("5","4","1","6","3","5","1") = "5"
    & skf18("5","4","1","6","3","6","1") = "5"
    & skf18("5","4","1","6","3","7","1") = "6"
    & skf18("5","4","1","6","3","8","1") = "7"
    & skf18("5","4","1","6","3","9","1") = "8"
    & skf18("5","4","1","6","3","10","1") = "9"
    & skf18("5","4","1","6","4","1","1") = "5"
    & skf18("5","4","1","6","4","2","1") = "5"
    & skf18("5","4","1","6","4","3","1") = "5"
    & skf18("5","4","1","6","4","4","1") = "5"
    & skf18("5","4","1","6","4","5","1") = "5"
    & skf18("5","4","1","6","4","6","1") = "5"
    & skf18("5","4","1","6","4","7","1") = "6"
    & skf18("5","4","1","6","4","8","1") = "7"
    & skf18("5","4","1","6","4","9","1") = "8"
    & skf18("5","4","1","6","4","10","1") = "9"
    & skf18("5","4","1","6","5","1","1") = "5"
    & skf18("5","4","1","6","5","2","1") = "5"
    & skf18("5","4","1","6","5","3","1") = "5"
    & skf18("5","4","1","6","5","4","1") = "5"
    & skf18("5","4","1","6","5","5","1") = "5"
    & skf18("5","4","1","6","5","6","1") = "5"
    & skf18("5","4","1","6","5","7","1") = "6"
    & skf18("5","4","1","6","5","8","1") = "7"
    & skf18("5","4","1","6","5","9","1") = "8"
    & skf18("5","4","1","6","5","10","1") = "9"
    & skf18("5","4","1","6","6","1","1") = "5"
    & skf18("5","4","1","6","6","2","1") = "5"
    & skf18("5","4","1","6","6","3","1") = "5"
    & skf18("5","4","1","6","6","4","1") = "5"
    & skf18("5","4","1","6","6","5","1") = "5"
    & skf18("5","4","1","6","6","6","1") = "5"
    & skf18("5","4","1","6","6","7","1") = "6"
    & skf18("5","4","1","6","6","8","1") = "7"
    & skf18("5","4","1","6","6","9","1") = "8"
    & skf18("5","4","1","6","6","10","1") = "9"
    & skf18("5","4","1","6","7","1","1") = "6"
    & skf18("5","4","1","6","7","2","1") = "6"
    & skf18("5","4","1","6","7","3","1") = "6"
    & skf18("5","4","1","6","7","4","1") = "6"
    & skf18("5","4","1","6","7","5","1") = "6"
    & skf18("5","4","1","6","7","6","1") = "6"
    & skf18("5","4","1","6","7","7","1") = "6"
    & skf18("5","4","1","6","7","8","1") = "7"
    & skf18("5","4","1","6","7","9","1") = "8"
    & skf18("5","4","1","6","7","10","1") = "9"
    & skf18("5","4","1","6","8","1","1") = "7"
    & skf18("5","4","1","6","8","2","1") = "7"
    & skf18("5","4","1","6","8","3","1") = "7"
    & skf18("5","4","1","6","8","4","1") = "7"
    & skf18("5","4","1","6","8","5","1") = "7"
    & skf18("5","4","1","6","8","6","1") = "7"
    & skf18("5","4","1","6","8","7","1") = "7"
    & skf18("5","4","1","6","8","8","1") = "7"
    & skf18("5","4","1","6","8","9","1") = "8"
    & skf18("5","4","1","6","8","10","1") = "9"
    & skf18("5","4","1","6","9","1","1") = "8"
    & skf18("5","4","1","6","9","2","1") = "8"
    & skf18("5","4","1","6","9","3","1") = "8"
    & skf18("5","4","1","6","9","4","1") = "8"
    & skf18("5","4","1","6","9","5","1") = "8"
    & skf18("5","4","1","6","9","6","1") = "8"
    & skf18("5","4","1","6","9","7","1") = "8"
    & skf18("5","4","1","6","9","8","1") = "8"
    & skf18("5","4","1","6","9","9","1") = "8"
    & skf18("5","4","1","6","9","10","1") = "9"
    & skf18("5","4","1","6","10","1","1") = "9"
    & skf18("5","4","1","6","10","2","1") = "9"
    & skf18("5","4","1","6","10","3","1") = "9"
    & skf18("5","4","1","6","10","4","1") = "9"
    & skf18("5","4","1","6","10","5","1") = "9"
    & skf18("5","4","1","6","10","6","1") = "9"
    & skf18("5","4","1","6","10","7","1") = "9"
    & skf18("5","4","1","6","10","8","1") = "9"
    & skf18("5","4","1","6","10","9","1") = "9"
    & skf18("5","4","1","6","10","10","1") = "9"
    & skf18("5","4","1","7","1","1","1") = "6"
    & skf18("5","4","1","7","1","2","1") = "6"
    & skf18("5","4","1","7","1","3","1") = "6"
    & skf18("5","4","1","7","1","4","1") = "6"
    & skf18("5","4","1","7","1","5","1") = "6"
    & skf18("5","4","1","7","1","6","1") = "6"
    & skf18("5","4","1","7","1","7","1") = "6"
    & skf18("5","4","1","7","1","8","1") = "7"
    & skf18("5","4","1","7","1","9","1") = "8"
    & skf18("5","4","1","7","1","10","1") = "9"
    & skf18("5","4","1","7","2","1","1") = "6"
    & skf18("5","4","1","7","2","2","1") = "6"
    & skf18("5","4","1","7","2","3","1") = "6"
    & skf18("5","4","1","7","2","4","1") = "6"
    & skf18("5","4","1","7","2","5","1") = "6"
    & skf18("5","4","1","7","2","6","1") = "6"
    & skf18("5","4","1","7","2","7","1") = "6"
    & skf18("5","4","1","7","2","8","1") = "7"
    & skf18("5","4","1","7","2","9","1") = "8"
    & skf18("5","4","1","7","2","10","1") = "9"
    & skf18("5","4","1","7","3","1","1") = "6"
    & skf18("5","4","1","7","3","2","1") = "6"
    & skf18("5","4","1","7","3","3","1") = "6"
    & skf18("5","4","1","7","3","4","1") = "6"
    & skf18("5","4","1","7","3","5","1") = "6"
    & skf18("5","4","1","7","3","6","1") = "6"
    & skf18("5","4","1","7","3","7","1") = "6"
    & skf18("5","4","1","7","3","8","1") = "7"
    & skf18("5","4","1","7","3","9","1") = "8"
    & skf18("5","4","1","7","3","10","1") = "9"
    & skf18("5","4","1","7","4","1","1") = "6"
    & skf18("5","4","1","7","4","2","1") = "6"
    & skf18("5","4","1","7","4","3","1") = "6"
    & skf18("5","4","1","7","4","4","1") = "6"
    & skf18("5","4","1","7","4","5","1") = "6"
    & skf18("5","4","1","7","4","6","1") = "6"
    & skf18("5","4","1","7","4","7","1") = "6"
    & skf18("5","4","1","7","4","8","1") = "7"
    & skf18("5","4","1","7","4","9","1") = "8"
    & skf18("5","4","1","7","4","10","1") = "9"
    & skf18("5","4","1","7","5","1","1") = "6"
    & skf18("5","4","1","7","5","2","1") = "6"
    & skf18("5","4","1","7","5","3","1") = "6"
    & skf18("5","4","1","7","5","4","1") = "6"
    & skf18("5","4","1","7","5","5","1") = "6"
    & skf18("5","4","1","7","5","6","1") = "6"
    & skf18("5","4","1","7","5","7","1") = "6"
    & skf18("5","4","1","7","5","8","1") = "7"
    & skf18("5","4","1","7","5","9","1") = "8"
    & skf18("5","4","1","7","5","10","1") = "9"
    & skf18("5","4","1","7","6","1","1") = "6"
    & skf18("5","4","1","7","6","2","1") = "6"
    & skf18("5","4","1","7","6","3","1") = "6"
    & skf18("5","4","1","7","6","4","1") = "6"
    & skf18("5","4","1","7","6","5","1") = "6"
    & skf18("5","4","1","7","6","6","1") = "6"
    & skf18("5","4","1","7","6","7","1") = "6"
    & skf18("5","4","1","7","6","8","1") = "7"
    & skf18("5","4","1","7","6","9","1") = "8"
    & skf18("5","4","1","7","6","10","1") = "9"
    & skf18("5","4","1","7","7","1","1") = "6"
    & skf18("5","4","1","7","7","2","1") = "6"
    & skf18("5","4","1","7","7","3","1") = "6"
    & skf18("5","4","1","7","7","4","1") = "6"
    & skf18("5","4","1","7","7","5","1") = "6"
    & skf18("5","4","1","7","7","6","1") = "6"
    & skf18("5","4","1","7","7","7","1") = "6"
    & skf18("5","4","1","7","7","8","1") = "7"
    & skf18("5","4","1","7","7","9","1") = "8"
    & skf18("5","4","1","7","7","10","1") = "9"
    & skf18("5","4","1","7","8","1","1") = "7"
    & skf18("5","4","1","7","8","2","1") = "7"
    & skf18("5","4","1","7","8","3","1") = "7"
    & skf18("5","4","1","7","8","4","1") = "7"
    & skf18("5","4","1","7","8","5","1") = "7"
    & skf18("5","4","1","7","8","6","1") = "7"
    & skf18("5","4","1","7","8","7","1") = "7"
    & skf18("5","4","1","7","8","8","1") = "7"
    & skf18("5","4","1","7","8","9","1") = "8"
    & skf18("5","4","1","7","8","10","1") = "9"
    & skf18("5","4","1","7","9","1","1") = "8"
    & skf18("5","4","1","7","9","2","1") = "8"
    & skf18("5","4","1","7","9","3","1") = "8"
    & skf18("5","4","1","7","9","4","1") = "8"
    & skf18("5","4","1","7","9","5","1") = "8"
    & skf18("5","4","1","7","9","6","1") = "8"
    & skf18("5","4","1","7","9","7","1") = "8"
    & skf18("5","4","1","7","9","8","1") = "8"
    & skf18("5","4","1","7","9","9","1") = "8"
    & skf18("5","4","1","7","9","10","1") = "9"
    & skf18("5","4","1","7","10","1","1") = "9"
    & skf18("5","4","1","7","10","2","1") = "9"
    & skf18("5","4","1","7","10","3","1") = "9"
    & skf18("5","4","1","7","10","4","1") = "9"
    & skf18("5","4","1","7","10","5","1") = "9"
    & skf18("5","4","1","7","10","6","1") = "9"
    & skf18("5","4","1","7","10","7","1") = "9"
    & skf18("5","4","1","7","10","8","1") = "9"
    & skf18("5","4","1","7","10","9","1") = "9"
    & skf18("5","4","1","7","10","10","1") = "9"
    & skf18("5","4","1","8","1","1","1") = "7"
    & skf18("5","4","1","8","1","2","1") = "7"
    & skf18("5","4","1","8","1","3","1") = "7"
    & skf18("5","4","1","8","1","4","1") = "7"
    & skf18("5","4","1","8","1","5","1") = "7"
    & skf18("5","4","1","8","1","6","1") = "7"
    & skf18("5","4","1","8","1","7","1") = "7"
    & skf18("5","4","1","8","1","8","1") = "7"
    & skf18("5","4","1","8","1","9","1") = "8"
    & skf18("5","4","1","8","1","10","1") = "9"
    & skf18("5","4","1","8","2","1","1") = "7"
    & skf18("5","4","1","8","2","2","1") = "7"
    & skf18("5","4","1","8","2","3","1") = "7"
    & skf18("5","4","1","8","2","4","1") = "7"
    & skf18("5","4","1","8","2","5","1") = "7"
    & skf18("5","4","1","8","2","6","1") = "7"
    & skf18("5","4","1","8","2","7","1") = "7"
    & skf18("5","4","1","8","2","8","1") = "7"
    & skf18("5","4","1","8","2","9","1") = "8"
    & skf18("5","4","1","8","2","10","1") = "9"
    & skf18("5","4","1","8","3","1","1") = "7"
    & skf18("5","4","1","8","3","2","1") = "7"
    & skf18("5","4","1","8","3","3","1") = "7"
    & skf18("5","4","1","8","3","4","1") = "7"
    & skf18("5","4","1","8","3","5","1") = "7"
    & skf18("5","4","1","8","3","6","1") = "7"
    & skf18("5","4","1","8","3","7","1") = "7"
    & skf18("5","4","1","8","3","8","1") = "7"
    & skf18("5","4","1","8","3","9","1") = "8"
    & skf18("5","4","1","8","3","10","1") = "9"
    & skf18("5","4","1","8","4","1","1") = "7"
    & skf18("5","4","1","8","4","2","1") = "7"
    & skf18("5","4","1","8","4","3","1") = "7"
    & skf18("5","4","1","8","4","4","1") = "7"
    & skf18("5","4","1","8","4","5","1") = "7"
    & skf18("5","4","1","8","4","6","1") = "7"
    & skf18("5","4","1","8","4","7","1") = "7"
    & skf18("5","4","1","8","4","8","1") = "7"
    & skf18("5","4","1","8","4","9","1") = "8"
    & skf18("5","4","1","8","4","10","1") = "9"
    & skf18("5","4","1","8","5","1","1") = "7"
    & skf18("5","4","1","8","5","2","1") = "7"
    & skf18("5","4","1","8","5","3","1") = "7"
    & skf18("5","4","1","8","5","4","1") = "7"
    & skf18("5","4","1","8","5","5","1") = "7"
    & skf18("5","4","1","8","5","6","1") = "7"
    & skf18("5","4","1","8","5","7","1") = "7"
    & skf18("5","4","1","8","5","8","1") = "7"
    & skf18("5","4","1","8","5","9","1") = "8"
    & skf18("5","4","1","8","5","10","1") = "9"
    & skf18("5","4","1","8","6","1","1") = "7"
    & skf18("5","4","1","8","6","2","1") = "7"
    & skf18("5","4","1","8","6","3","1") = "7"
    & skf18("5","4","1","8","6","4","1") = "7"
    & skf18("5","4","1","8","6","5","1") = "7"
    & skf18("5","4","1","8","6","6","1") = "7"
    & skf18("5","4","1","8","6","7","1") = "7"
    & skf18("5","4","1","8","6","8","1") = "7"
    & skf18("5","4","1","8","6","9","1") = "8"
    & skf18("5","4","1","8","6","10","1") = "9"
    & skf18("5","4","1","8","7","1","1") = "7"
    & skf18("5","4","1","8","7","2","1") = "7"
    & skf18("5","4","1","8","7","3","1") = "7"
    & skf18("5","4","1","8","7","4","1") = "7"
    & skf18("5","4","1","8","7","5","1") = "7"
    & skf18("5","4","1","8","7","6","1") = "7"
    & skf18("5","4","1","8","7","7","1") = "7"
    & skf18("5","4","1","8","7","8","1") = "7"
    & skf18("5","4","1","8","7","9","1") = "8"
    & skf18("5","4","1","8","7","10","1") = "9"
    & skf18("5","4","1","8","8","1","1") = "7"
    & skf18("5","4","1","8","8","2","1") = "7"
    & skf18("5","4","1","8","8","3","1") = "7"
    & skf18("5","4","1","8","8","4","1") = "7"
    & skf18("5","4","1","8","8","5","1") = "7"
    & skf18("5","4","1","8","8","6","1") = "7"
    & skf18("5","4","1","8","8","7","1") = "7"
    & skf18("5","4","1","8","8","8","1") = "7"
    & skf18("5","4","1","8","8","9","1") = "8"
    & skf18("5","4","1","8","8","10","1") = "9"
    & skf18("5","4","1","8","9","1","1") = "8"
    & skf18("5","4","1","8","9","2","1") = "8"
    & skf18("5","4","1","8","9","3","1") = "8"
    & skf18("5","4","1","8","9","4","1") = "8"
    & skf18("5","4","1","8","9","5","1") = "8"
    & skf18("5","4","1","8","9","6","1") = "8"
    & skf18("5","4","1","8","9","7","1") = "8"
    & skf18("5","4","1","8","9","8","1") = "8"
    & skf18("5","4","1","8","9","9","1") = "8"
    & skf18("5","4","1","8","9","10","1") = "9"
    & skf18("5","4","1","8","10","1","1") = "9"
    & skf18("5","4","1","8","10","2","1") = "9"
    & skf18("5","4","1","8","10","3","1") = "9"
    & skf18("5","4","1","8","10","4","1") = "9"
    & skf18("5","4","1","8","10","5","1") = "9"
    & skf18("5","4","1","8","10","6","1") = "9"
    & skf18("5","4","1","8","10","7","1") = "9"
    & skf18("5","4","1","8","10","8","1") = "9"
    & skf18("5","4","1","8","10","9","1") = "9"
    & skf18("5","4","1","8","10","10","1") = "9"
    & skf18("5","4","1","9","1","1","1") = "8"
    & skf18("5","4","1","9","1","2","1") = "8"
    & skf18("5","4","1","9","1","3","1") = "8"
    & skf18("5","4","1","9","1","4","1") = "8"
    & skf18("5","4","1","9","1","5","1") = "8"
    & skf18("5","4","1","9","1","6","1") = "8"
    & skf18("5","4","1","9","1","7","1") = "8"
    & skf18("5","4","1","9","1","8","1") = "8"
    & skf18("5","4","1","9","1","9","1") = "8"
    & skf18("5","4","1","9","1","10","1") = "9"
    & skf18("5","4","1","9","2","1","1") = "8"
    & skf18("5","4","1","9","2","2","1") = "8"
    & skf18("5","4","1","9","2","3","1") = "8"
    & skf18("5","4","1","9","2","4","1") = "8"
    & skf18("5","4","1","9","2","5","1") = "8"
    & skf18("5","4","1","9","2","6","1") = "8"
    & skf18("5","4","1","9","2","7","1") = "8"
    & skf18("5","4","1","9","2","8","1") = "8"
    & skf18("5","4","1","9","2","9","1") = "8"
    & skf18("5","4","1","9","2","10","1") = "9"
    & skf18("5","4","1","9","3","1","1") = "8"
    & skf18("5","4","1","9","3","2","1") = "8"
    & skf18("5","4","1","9","3","3","1") = "8"
    & skf18("5","4","1","9","3","4","1") = "8"
    & skf18("5","4","1","9","3","5","1") = "8"
    & skf18("5","4","1","9","3","6","1") = "8"
    & skf18("5","4","1","9","3","7","1") = "8"
    & skf18("5","4","1","9","3","8","1") = "8"
    & skf18("5","4","1","9","3","9","1") = "8"
    & skf18("5","4","1","9","3","10","1") = "9"
    & skf18("5","4","1","9","4","1","1") = "8"
    & skf18("5","4","1","9","4","2","1") = "8"
    & skf18("5","4","1","9","4","3","1") = "8"
    & skf18("5","4","1","9","4","4","1") = "8"
    & skf18("5","4","1","9","4","5","1") = "8"
    & skf18("5","4","1","9","4","6","1") = "8"
    & skf18("5","4","1","9","4","7","1") = "8"
    & skf18("5","4","1","9","4","8","1") = "8"
    & skf18("5","4","1","9","4","9","1") = "8"
    & skf18("5","4","1","9","4","10","1") = "9"
    & skf18("5","4","1","9","5","1","1") = "8"
    & skf18("5","4","1","9","5","2","1") = "8"
    & skf18("5","4","1","9","5","3","1") = "8"
    & skf18("5","4","1","9","5","4","1") = "8"
    & skf18("5","4","1","9","5","5","1") = "8"
    & skf18("5","4","1","9","5","6","1") = "8"
    & skf18("5","4","1","9","5","7","1") = "8"
    & skf18("5","4","1","9","5","8","1") = "8"
    & skf18("5","4","1","9","5","9","1") = "8"
    & skf18("5","4","1","9","5","10","1") = "9"
    & skf18("5","4","1","9","6","1","1") = "8"
    & skf18("5","4","1","9","6","2","1") = "8"
    & skf18("5","4","1","9","6","3","1") = "8"
    & skf18("5","4","1","9","6","4","1") = "8"
    & skf18("5","4","1","9","6","5","1") = "8"
    & skf18("5","4","1","9","6","6","1") = "8"
    & skf18("5","4","1","9","6","7","1") = "8"
    & skf18("5","4","1","9","6","8","1") = "8"
    & skf18("5","4","1","9","6","9","1") = "8"
    & skf18("5","4","1","9","6","10","1") = "9"
    & skf18("5","4","1","9","7","1","1") = "8"
    & skf18("5","4","1","9","7","2","1") = "8"
    & skf18("5","4","1","9","7","3","1") = "8"
    & skf18("5","4","1","9","7","4","1") = "8"
    & skf18("5","4","1","9","7","5","1") = "8"
    & skf18("5","4","1","9","7","6","1") = "8"
    & skf18("5","4","1","9","7","7","1") = "8"
    & skf18("5","4","1","9","7","8","1") = "8"
    & skf18("5","4","1","9","7","9","1") = "8"
    & skf18("5","4","1","9","7","10","1") = "9"
    & skf18("5","4","1","9","8","1","1") = "8"
    & skf18("5","4","1","9","8","2","1") = "8"
    & skf18("5","4","1","9","8","3","1") = "8"
    & skf18("5","4","1","9","8","4","1") = "8"
    & skf18("5","4","1","9","8","5","1") = "8"
    & skf18("5","4","1","9","8","6","1") = "8"
    & skf18("5","4","1","9","8","7","1") = "8"
    & skf18("5","4","1","9","8","8","1") = "8"
    & skf18("5","4","1","9","8","9","1") = "8"
    & skf18("5","4","1","9","8","10","1") = "9"
    & skf18("5","4","1","9","9","1","1") = "8"
    & skf18("5","4","1","9","9","2","1") = "8"
    & skf18("5","4","1","9","9","3","1") = "8"
    & skf18("5","4","1","9","9","4","1") = "8"
    & skf18("5","4","1","9","9","5","1") = "8"
    & skf18("5","4","1","9","9","6","1") = "8"
    & skf18("5","4","1","9","9","7","1") = "8"
    & skf18("5","4","1","9","9","8","1") = "8"
    & skf18("5","4","1","9","9","9","1") = "8"
    & skf18("5","4","1","9","9","10","1") = "9"
    & skf18("5","4","1","9","10","1","1") = "9"
    & skf18("5","4","1","9","10","2","1") = "9"
    & skf18("5","4","1","9","10","3","1") = "9"
    & skf18("5","4","1","9","10","4","1") = "9"
    & skf18("5","4","1","9","10","5","1") = "9"
    & skf18("5","4","1","9","10","6","1") = "9"
    & skf18("5","4","1","9","10","7","1") = "9"
    & skf18("5","4","1","9","10","8","1") = "9"
    & skf18("5","4","1","9","10","9","1") = "9"
    & skf18("5","4","1","9","10","10","1") = "9"
    & skf18("5","4","1","10","1","1","1") = "9"
    & skf18("5","4","1","10","1","2","1") = "9"
    & skf18("5","4","1","10","1","3","1") = "9"
    & skf18("5","4","1","10","1","4","1") = "9"
    & skf18("5","4","1","10","1","5","1") = "9"
    & skf18("5","4","1","10","1","6","1") = "9"
    & skf18("5","4","1","10","1","7","1") = "9"
    & skf18("5","4","1","10","1","8","1") = "9"
    & skf18("5","4","1","10","1","9","1") = "9"
    & skf18("5","4","1","10","1","10","1") = "9"
    & skf18("5","4","1","10","2","1","1") = "9"
    & skf18("5","4","1","10","2","2","1") = "9"
    & skf18("5","4","1","10","2","3","1") = "9"
    & skf18("5","4","1","10","2","4","1") = "9"
    & skf18("5","4","1","10","2","5","1") = "9"
    & skf18("5","4","1","10","2","6","1") = "9"
    & skf18("5","4","1","10","2","7","1") = "9"
    & skf18("5","4","1","10","2","8","1") = "9"
    & skf18("5","4","1","10","2","9","1") = "9"
    & skf18("5","4","1","10","2","10","1") = "9"
    & skf18("5","4","1","10","3","1","1") = "9"
    & skf18("5","4","1","10","3","2","1") = "9"
    & skf18("5","4","1","10","3","3","1") = "9"
    & skf18("5","4","1","10","3","4","1") = "9"
    & skf18("5","4","1","10","3","5","1") = "9"
    & skf18("5","4","1","10","3","6","1") = "9"
    & skf18("5","4","1","10","3","7","1") = "9"
    & skf18("5","4","1","10","3","8","1") = "9"
    & skf18("5","4","1","10","3","9","1") = "9"
    & skf18("5","4","1","10","3","10","1") = "9"
    & skf18("5","4","1","10","4","1","1") = "9"
    & skf18("5","4","1","10","4","2","1") = "9"
    & skf18("5","4","1","10","4","3","1") = "9"
    & skf18("5","4","1","10","4","4","1") = "9"
    & skf18("5","4","1","10","4","5","1") = "9"
    & skf18("5","4","1","10","4","6","1") = "9"
    & skf18("5","4","1","10","4","7","1") = "9"
    & skf18("5","4","1","10","4","8","1") = "9"
    & skf18("5","4","1","10","4","9","1") = "9"
    & skf18("5","4","1","10","4","10","1") = "9"
    & skf18("5","4","1","10","5","1","1") = "9"
    & skf18("5","4","1","10","5","2","1") = "9"
    & skf18("5","4","1","10","5","3","1") = "9"
    & skf18("5","4","1","10","5","4","1") = "9"
    & skf18("5","4","1","10","5","5","1") = "9"
    & skf18("5","4","1","10","5","6","1") = "9"
    & skf18("5","4","1","10","5","7","1") = "9"
    & skf18("5","4","1","10","5","8","1") = "9"
    & skf18("5","4","1","10","5","9","1") = "9"
    & skf18("5","4","1","10","5","10","1") = "9"
    & skf18("5","4","1","10","6","1","1") = "9"
    & skf18("5","4","1","10","6","2","1") = "9"
    & skf18("5","4","1","10","6","3","1") = "9"
    & skf18("5","4","1","10","6","4","1") = "9"
    & skf18("5","4","1","10","6","5","1") = "9"
    & skf18("5","4","1","10","6","6","1") = "9"
    & skf18("5","4","1","10","6","7","1") = "9"
    & skf18("5","4","1","10","6","8","1") = "9"
    & skf18("5","4","1","10","6","9","1") = "9"
    & skf18("5","4","1","10","6","10","1") = "9"
    & skf18("5","4","1","10","7","1","1") = "9"
    & skf18("5","4","1","10","7","2","1") = "9"
    & skf18("5","4","1","10","7","3","1") = "9"
    & skf18("5","4","1","10","7","4","1") = "9"
    & skf18("5","4","1","10","7","5","1") = "9"
    & skf18("5","4","1","10","7","6","1") = "9"
    & skf18("5","4","1","10","7","7","1") = "9"
    & skf18("5","4","1","10","7","8","1") = "9"
    & skf18("5","4","1","10","7","9","1") = "9"
    & skf18("5","4","1","10","7","10","1") = "9"
    & skf18("5","4","1","10","8","1","1") = "9"
    & skf18("5","4","1","10","8","2","1") = "9"
    & skf18("5","4","1","10","8","3","1") = "9"
    & skf18("5","4","1","10","8","4","1") = "9"
    & skf18("5","4","1","10","8","5","1") = "9"
    & skf18("5","4","1","10","8","6","1") = "9"
    & skf18("5","4","1","10","8","7","1") = "9"
    & skf18("5","4","1","10","8","8","1") = "9"
    & skf18("5","4","1","10","8","9","1") = "9"
    & skf18("5","4","1","10","8","10","1") = "9"
    & skf18("5","4","1","10","9","1","1") = "9"
    & skf18("5","4","1","10","9","2","1") = "9"
    & skf18("5","4","1","10","9","3","1") = "9"
    & skf18("5","4","1","10","9","4","1") = "9"
    & skf18("5","4","1","10","9","5","1") = "9"
    & skf18("5","4","1","10","9","6","1") = "9"
    & skf18("5","4","1","10","9","7","1") = "9"
    & skf18("5","4","1","10","9","8","1") = "9"
    & skf18("5","4","1","10","9","9","1") = "9"
    & skf18("5","4","1","10","9","10","1") = "9"
    & skf18("5","4","1","10","10","1","1") = "9"
    & skf18("5","4","1","10","10","2","1") = "9"
    & skf18("5","4","1","10","10","3","1") = "9"
    & skf18("5","4","1","10","10","4","1") = "9"
    & skf18("5","4","1","10","10","5","1") = "9"
    & skf18("5","4","1","10","10","6","1") = "9"
    & skf18("5","4","1","10","10","7","1") = "9"
    & skf18("5","4","1","10","10","8","1") = "9"
    & skf18("5","4","1","10","10","9","1") = "9"
    & skf18("5","4","1","10","10","10","1") = "9"
    & skf18("5","4","2","1","1","1","1") = "4"
    & skf18("5","4","2","1","1","2","1") = "4"
    & skf18("5","4","2","1","1","3","1") = "4"
    & skf18("5","4","2","1","1","4","1") = "4"
    & skf18("5","4","2","1","1","5","1") = "4"
    & skf18("5","4","2","1","1","6","1") = "5"
    & skf18("5","4","2","1","1","7","1") = "6"
    & skf18("5","4","2","1","1","8","1") = "7"
    & skf18("5","4","2","1","1","9","1") = "8"
    & skf18("5","4","2","1","1","10","1") = "9"
    & skf18("5","4","2","1","2","1","1") = "4"
    & skf18("5","4","2","1","2","2","1") = "4"
    & skf18("5","4","2","1","2","3","1") = "4"
    & skf18("5","4","2","1","2","4","1") = "4"
    & skf18("5","4","2","1","2","5","1") = "4"
    & skf18("5","4","2","1","2","6","1") = "5"
    & skf18("5","4","2","1","2","7","1") = "6"
    & skf18("5","4","2","1","2","8","1") = "7"
    & skf18("5","4","2","1","2","9","1") = "8"
    & skf18("5","4","2","1","2","10","1") = "9"
    & skf18("5","4","2","1","3","1","1") = "4"
    & skf18("5","4","2","1","3","2","1") = "4"
    & skf18("5","4","2","1","3","3","1") = "4"
    & skf18("5","4","2","1","3","4","1") = "4"
    & skf18("5","4","2","1","3","5","1") = "4"
    & skf18("5","4","2","1","3","6","1") = "5"
    & skf18("5","4","2","1","3","7","1") = "6"
    & skf18("5","4","2","1","3","8","1") = "7"
    & skf18("5","4","2","1","3","9","1") = "8"
    & skf18("5","4","2","1","3","10","1") = "9"
    & skf18("5","4","2","1","4","1","1") = "4"
    & skf18("5","4","2","1","4","2","1") = "4"
    & skf18("5","4","2","1","4","3","1") = "4"
    & skf18("5","4","2","1","4","4","1") = "4"
    & skf18("5","4","2","1","4","5","1") = "4"
    & skf18("5","4","2","1","4","6","1") = "5"
    & skf18("5","4","2","1","4","7","1") = "6"
    & skf18("5","4","2","1","4","8","1") = "7"
    & skf18("5","4","2","1","4","9","1") = "8"
    & skf18("5","4","2","1","4","10","1") = "9"
    & skf18("5","4","2","1","5","1","1") = "4"
    & skf18("5","4","2","1","5","2","1") = "4"
    & skf18("5","4","2","1","5","3","1") = "4"
    & skf18("5","4","2","1","5","4","1") = "4"
    & skf18("5","4","2","1","5","5","1") = "4"
    & skf18("5","4","2","1","5","6","1") = "5"
    & skf18("5","4","2","1","5","7","1") = "6"
    & skf18("5","4","2","1","5","8","1") = "7"
    & skf18("5","4","2","1","5","9","1") = "8"
    & skf18("5","4","2","1","5","10","1") = "9"
    & skf18("5","4","2","1","6","1","1") = "5"
    & skf18("5","4","2","1","6","2","1") = "5"
    & skf18("5","4","2","1","6","3","1") = "5"
    & skf18("5","4","2","1","6","4","1") = "5"
    & skf18("5","4","2","1","6","5","1") = "5"
    & skf18("5","4","2","1","6","6","1") = "5"
    & skf18("5","4","2","1","6","7","1") = "6"
    & skf18("5","4","2","1","6","8","1") = "7"
    & skf18("5","4","2","1","6","9","1") = "8"
    & skf18("5","4","2","1","6","10","1") = "9"
    & skf18("5","4","2","1","7","1","1") = "6"
    & skf18("5","4","2","1","7","2","1") = "6"
    & skf18("5","4","2","1","7","3","1") = "6"
    & skf18("5","4","2","1","7","4","1") = "6"
    & skf18("5","4","2","1","7","5","1") = "6"
    & skf18("5","4","2","1","7","6","1") = "6"
    & skf18("5","4","2","1","7","7","1") = "6"
    & skf18("5","4","2","1","7","8","1") = "7"
    & skf18("5","4","2","1","7","9","1") = "8"
    & skf18("5","4","2","1","7","10","1") = "9"
    & skf18("5","4","2","1","8","1","1") = "7"
    & skf18("5","4","2","1","8","2","1") = "7"
    & skf18("5","4","2","1","8","3","1") = "7"
    & skf18("5","4","2","1","8","4","1") = "7"
    & skf18("5","4","2","1","8","5","1") = "7"
    & skf18("5","4","2","1","8","6","1") = "7"
    & skf18("5","4","2","1","8","7","1") = "7"
    & skf18("5","4","2","1","8","8","1") = "7"
    & skf18("5","4","2","1","8","9","1") = "8"
    & skf18("5","4","2","1","8","10","1") = "9"
    & skf18("5","4","2","1","9","1","1") = "8"
    & skf18("5","4","2","1","9","2","1") = "8"
    & skf18("5","4","2","1","9","3","1") = "8"
    & skf18("5","4","2","1","9","4","1") = "8"
    & skf18("5","4","2","1","9","5","1") = "8"
    & skf18("5","4","2","1","9","6","1") = "8"
    & skf18("5","4","2","1","9","7","1") = "8"
    & skf18("5","4","2","1","9","8","1") = "8"
    & skf18("5","4","2","1","9","9","1") = "8"
    & skf18("5","4","2","1","9","10","1") = "9"
    & skf18("5","4","2","1","10","1","1") = "9"
    & skf18("5","4","2","1","10","2","1") = "9"
    & skf18("5","4","2","1","10","3","1") = "9"
    & skf18("5","4","2","1","10","4","1") = "9"
    & skf18("5","4","2","1","10","5","1") = "9"
    & skf18("5","4","2","1","10","6","1") = "9"
    & skf18("5","4","2","1","10","7","1") = "9"
    & skf18("5","4","2","1","10","8","1") = "9"
    & skf18("5","4","2","1","10","9","1") = "9"
    & skf18("5","4","2","1","10","10","1") = "9"
    & skf18("5","4","2","2","1","1","1") = "4"
    & skf18("5","4","2","2","1","2","1") = "4"
    & skf18("5","4","2","2","1","3","1") = "4"
    & skf18("5","4","2","2","1","4","1") = "4"
    & skf18("5","4","2","2","1","5","1") = "4"
    & skf18("5","4","2","2","1","6","1") = "5"
    & skf18("5","4","2","2","1","7","1") = "6"
    & skf18("5","4","2","2","1","8","1") = "7"
    & skf18("5","4","2","2","1","9","1") = "8"
    & skf18("5","4","2","2","1","10","1") = "9"
    & skf18("5","4","2","2","2","1","1") = "4"
    & skf18("5","4","2","2","2","2","1") = "4"
    & skf18("5","4","2","2","2","3","1") = "4"
    & skf18("5","4","2","2","2","4","1") = "4"
    & skf18("5","4","2","2","2","5","1") = "4"
    & skf18("5","4","2","2","2","6","1") = "5"
    & skf18("5","4","2","2","2","7","1") = "6"
    & skf18("5","4","2","2","2","8","1") = "7"
    & skf18("5","4","2","2","2","9","1") = "8"
    & skf18("5","4","2","2","2","10","1") = "9"
    & skf18("5","4","2","2","3","1","1") = "4"
    & skf18("5","4","2","2","3","2","1") = "4"
    & skf18("5","4","2","2","3","3","1") = "4"
    & skf18("5","4","2","2","3","4","1") = "4"
    & skf18("5","4","2","2","3","5","1") = "4"
    & skf18("5","4","2","2","3","6","1") = "5"
    & skf18("5","4","2","2","3","7","1") = "6"
    & skf18("5","4","2","2","3","8","1") = "7"
    & skf18("5","4","2","2","3","9","1") = "8"
    & skf18("5","4","2","2","3","10","1") = "9"
    & skf18("5","4","2","2","4","1","1") = "4"
    & skf18("5","4","2","2","4","2","1") = "4"
    & skf18("5","4","2","2","4","3","1") = "4"
    & skf18("5","4","2","2","4","4","1") = "4"
    & skf18("5","4","2","2","4","5","1") = "4"
    & skf18("5","4","2","2","4","6","1") = "5"
    & skf18("5","4","2","2","4","7","1") = "6"
    & skf18("5","4","2","2","4","8","1") = "7"
    & skf18("5","4","2","2","4","9","1") = "8"
    & skf18("5","4","2","2","4","10","1") = "9"
    & skf18("5","4","2","2","5","1","1") = "4"
    & skf18("5","4","2","2","5","2","1") = "4"
    & skf18("5","4","2","2","5","3","1") = "4"
    & skf18("5","4","2","2","5","4","1") = "4"
    & skf18("5","4","2","2","5","5","1") = "4"
    & skf18("5","4","2","2","5","6","1") = "5"
    & skf18("5","4","2","2","5","7","1") = "6"
    & skf18("5","4","2","2","5","8","1") = "7"
    & skf18("5","4","2","2","5","9","1") = "8"
    & skf18("5","4","2","2","5","10","1") = "9"
    & skf18("5","4","2","2","6","1","1") = "5"
    & skf18("5","4","2","2","6","2","1") = "5"
    & skf18("5","4","2","2","6","3","1") = "5"
    & skf18("5","4","2","2","6","4","1") = "5"
    & skf18("5","4","2","2","6","5","1") = "5"
    & skf18("5","4","2","2","6","6","1") = "5"
    & skf18("5","4","2","2","6","7","1") = "6"
    & skf18("5","4","2","2","6","8","1") = "7"
    & skf18("5","4","2","2","6","9","1") = "8"
    & skf18("5","4","2","2","6","10","1") = "9"
    & skf18("5","4","2","2","7","1","1") = "6"
    & skf18("5","4","2","2","7","2","1") = "6"
    & skf18("5","4","2","2","7","3","1") = "6"
    & skf18("5","4","2","2","7","4","1") = "6"
    & skf18("5","4","2","2","7","5","1") = "6"
    & skf18("5","4","2","2","7","6","1") = "6"
    & skf18("5","4","2","2","7","7","1") = "6"
    & skf18("5","4","2","2","7","8","1") = "7"
    & skf18("5","4","2","2","7","9","1") = "8"
    & skf18("5","4","2","2","7","10","1") = "9"
    & skf18("5","4","2","2","8","1","1") = "7"
    & skf18("5","4","2","2","8","2","1") = "7"
    & skf18("5","4","2","2","8","3","1") = "7"
    & skf18("5","4","2","2","8","4","1") = "7"
    & skf18("5","4","2","2","8","5","1") = "7"
    & skf18("5","4","2","2","8","6","1") = "7"
    & skf18("5","4","2","2","8","7","1") = "7"
    & skf18("5","4","2","2","8","8","1") = "7"
    & skf18("5","4","2","2","8","9","1") = "8"
    & skf18("5","4","2","2","8","10","1") = "9"
    & skf18("5","4","2","2","9","1","1") = "8"
    & skf18("5","4","2","2","9","2","1") = "8"
    & skf18("5","4","2","2","9","3","1") = "8"
    & skf18("5","4","2","2","9","4","1") = "8"
    & skf18("5","4","2","2","9","5","1") = "8"
    & skf18("5","4","2","2","9","6","1") = "8"
    & skf18("5","4","2","2","9","7","1") = "8"
    & skf18("5","4","2","2","9","8","1") = "8"
    & skf18("5","4","2","2","9","9","1") = "8"
    & skf18("5","4","2","2","9","10","1") = "9"
    & skf18("5","4","2","2","10","1","1") = "9"
    & skf18("5","4","2","2","10","2","1") = "9"
    & skf18("5","4","2","2","10","3","1") = "9"
    & skf18("5","4","2","2","10","4","1") = "9"
    & skf18("5","4","2","2","10","5","1") = "9"
    & skf18("5","4","2","2","10","6","1") = "9"
    & skf18("5","4","2","2","10","7","1") = "9"
    & skf18("5","4","2","2","10","8","1") = "9"
    & skf18("5","4","2","2","10","9","1") = "9"
    & skf18("5","4","2","2","10","10","1") = "9"
    & skf18("5","4","2","3","1","1","1") = "4"
    & skf18("5","4","2","3","1","2","1") = "4"
    & skf18("5","4","2","3","1","3","1") = "4"
    & skf18("5","4","2","3","1","4","1") = "4"
    & skf18("5","4","2","3","1","5","1") = "4"
    & skf18("5","4","2","3","1","6","1") = "5"
    & skf18("5","4","2","3","1","7","1") = "6"
    & skf18("5","4","2","3","1","8","1") = "7"
    & skf18("5","4","2","3","1","9","1") = "8"
    & skf18("5","4","2","3","1","10","1") = "9"
    & skf18("5","4","2","3","2","1","1") = "4"
    & skf18("5","4","2","3","2","2","1") = "4"
    & skf18("5","4","2","3","2","3","1") = "4"
    & skf18("5","4","2","3","2","4","1") = "4"
    & skf18("5","4","2","3","2","5","1") = "4"
    & skf18("5","4","2","3","2","6","1") = "5"
    & skf18("5","4","2","3","2","7","1") = "6"
    & skf18("5","4","2","3","2","8","1") = "7"
    & skf18("5","4","2","3","2","9","1") = "8"
    & skf18("5","4","2","3","2","10","1") = "9"
    & skf18("5","4","2","3","3","1","1") = "4"
    & skf18("5","4","2","3","3","2","1") = "4"
    & skf18("5","4","2","3","3","3","1") = "4"
    & skf18("5","4","2","3","3","4","1") = "4"
    & skf18("5","4","2","3","3","5","1") = "4"
    & skf18("5","4","2","3","3","6","1") = "5"
    & skf18("5","4","2","3","3","7","1") = "6"
    & skf18("5","4","2","3","3","8","1") = "7"
    & skf18("5","4","2","3","3","9","1") = "8"
    & skf18("5","4","2","3","3","10","1") = "9"
    & skf18("5","4","2","3","4","1","1") = "4"
    & skf18("5","4","2","3","4","2","1") = "4"
    & skf18("5","4","2","3","4","3","1") = "4"
    & skf18("5","4","2","3","4","4","1") = "4"
    & skf18("5","4","2","3","4","5","1") = "4"
    & skf18("5","4","2","3","4","6","1") = "5"
    & skf18("5","4","2","3","4","7","1") = "6"
    & skf18("5","4","2","3","4","8","1") = "7"
    & skf18("5","4","2","3","4","9","1") = "8"
    & skf18("5","4","2","3","4","10","1") = "9"
    & skf18("5","4","2","3","5","1","1") = "4"
    & skf18("5","4","2","3","5","2","1") = "4"
    & skf18("5","4","2","3","5","3","1") = "4"
    & skf18("5","4","2","3","5","4","1") = "4"
    & skf18("5","4","2","3","5","5","1") = "4"
    & skf18("5","4","2","3","5","6","1") = "5"
    & skf18("5","4","2","3","5","7","1") = "6"
    & skf18("5","4","2","3","5","8","1") = "7"
    & skf18("5","4","2","3","5","9","1") = "8"
    & skf18("5","4","2","3","5","10","1") = "9"
    & skf18("5","4","2","3","6","1","1") = "5"
    & skf18("5","4","2","3","6","2","1") = "5"
    & skf18("5","4","2","3","6","3","1") = "5"
    & skf18("5","4","2","3","6","4","1") = "5"
    & skf18("5","4","2","3","6","5","1") = "5"
    & skf18("5","4","2","3","6","6","1") = "5"
    & skf18("5","4","2","3","6","7","1") = "6"
    & skf18("5","4","2","3","6","8","1") = "7"
    & skf18("5","4","2","3","6","9","1") = "8"
    & skf18("5","4","2","3","6","10","1") = "9"
    & skf18("5","4","2","3","7","1","1") = "6"
    & skf18("5","4","2","3","7","2","1") = "6"
    & skf18("5","4","2","3","7","3","1") = "6"
    & skf18("5","4","2","3","7","4","1") = "6"
    & skf18("5","4","2","3","7","5","1") = "6"
    & skf18("5","4","2","3","7","6","1") = "6"
    & skf18("5","4","2","3","7","7","1") = "6"
    & skf18("5","4","2","3","7","8","1") = "7"
    & skf18("5","4","2","3","7","9","1") = "8"
    & skf18("5","4","2","3","7","10","1") = "9"
    & skf18("5","4","2","3","8","1","1") = "7"
    & skf18("5","4","2","3","8","2","1") = "7"
    & skf18("5","4","2","3","8","3","1") = "7"
    & skf18("5","4","2","3","8","4","1") = "7"
    & skf18("5","4","2","3","8","5","1") = "7"
    & skf18("5","4","2","3","8","6","1") = "7"
    & skf18("5","4","2","3","8","7","1") = "7"
    & skf18("5","4","2","3","8","8","1") = "7"
    & skf18("5","4","2","3","8","9","1") = "8"
    & skf18("5","4","2","3","8","10","1") = "9"
    & skf18("5","4","2","3","9","1","1") = "8"
    & skf18("5","4","2","3","9","2","1") = "8"
    & skf18("5","4","2","3","9","3","1") = "8"
    & skf18("5","4","2","3","9","4","1") = "8"
    & skf18("5","4","2","3","9","5","1") = "8"
    & skf18("5","4","2","3","9","6","1") = "8"
    & skf18("5","4","2","3","9","7","1") = "8"
    & skf18("5","4","2","3","9","8","1") = "8"
    & skf18("5","4","2","3","9","9","1") = "8"
    & skf18("5","4","2","3","9","10","1") = "9"
    & skf18("5","4","2","3","10","1","1") = "9"
    & skf18("5","4","2","3","10","2","1") = "9"
    & skf18("5","4","2","3","10","3","1") = "9"
    & skf18("5","4","2","3","10","4","1") = "9"
    & skf18("5","4","2","3","10","5","1") = "9"
    & skf18("5","4","2","3","10","6","1") = "9"
    & skf18("5","4","2","3","10","7","1") = "9"
    & skf18("5","4","2","3","10","8","1") = "9"
    & skf18("5","4","2","3","10","9","1") = "9"
    & skf18("5","4","2","3","10","10","1") = "9"
    & skf18("5","4","2","4","1","1","1") = "4"
    & skf18("5","4","2","4","1","2","1") = "4"
    & skf18("5","4","2","4","1","3","1") = "4"
    & skf18("5","4","2","4","1","4","1") = "4"
    & skf18("5","4","2","4","1","5","1") = "4"
    & skf18("5","4","2","4","1","6","1") = "5"
    & skf18("5","4","2","4","1","7","1") = "6"
    & skf18("5","4","2","4","1","8","1") = "7"
    & skf18("5","4","2","4","1","9","1") = "8"
    & skf18("5","4","2","4","1","10","1") = "9"
    & skf18("5","4","2","4","2","1","1") = "4"
    & skf18("5","4","2","4","2","2","1") = "4"
    & skf18("5","4","2","4","2","3","1") = "4"
    & skf18("5","4","2","4","2","4","1") = "4"
    & skf18("5","4","2","4","2","5","1") = "4"
    & skf18("5","4","2","4","2","6","1") = "5"
    & skf18("5","4","2","4","2","7","1") = "6"
    & skf18("5","4","2","4","2","8","1") = "7"
    & skf18("5","4","2","4","2","9","1") = "8"
    & skf18("5","4","2","4","2","10","1") = "9"
    & skf18("5","4","2","4","3","1","1") = "4"
    & skf18("5","4","2","4","3","2","1") = "4"
    & skf18("5","4","2","4","3","3","1") = "4"
    & skf18("5","4","2","4","3","4","1") = "4"
    & skf18("5","4","2","4","3","5","1") = "4"
    & skf18("5","4","2","4","3","6","1") = "5"
    & skf18("5","4","2","4","3","7","1") = "6"
    & skf18("5","4","2","4","3","8","1") = "7"
    & skf18("5","4","2","4","3","9","1") = "8"
    & skf18("5","4","2","4","3","10","1") = "9"
    & skf18("5","4","2","4","4","1","1") = "4"
    & skf18("5","4","2","4","4","2","1") = "4"
    & skf18("5","4","2","4","4","3","1") = "4"
    & skf18("5","4","2","4","4","4","1") = "4"
    & skf18("5","4","2","4","4","5","1") = "4"
    & skf18("5","4","2","4","4","6","1") = "5"
    & skf18("5","4","2","4","4","7","1") = "6"
    & skf18("5","4","2","4","4","8","1") = "7"
    & skf18("5","4","2","4","4","9","1") = "8"
    & skf18("5","4","2","4","4","10","1") = "9"
    & skf18("5","4","2","4","5","1","1") = "4"
    & skf18("5","4","2","4","5","2","1") = "4"
    & skf18("5","4","2","4","5","3","1") = "4"
    & skf18("5","4","2","4","5","4","1") = "4"
    & skf18("5","4","2","4","5","5","1") = "4"
    & skf18("5","4","2","4","5","6","1") = "5"
    & skf18("5","4","2","4","5","7","1") = "6"
    & skf18("5","4","2","4","5","8","1") = "7"
    & skf18("5","4","2","4","5","9","1") = "8"
    & skf18("5","4","2","4","5","10","1") = "9"
    & skf18("5","4","2","4","6","1","1") = "5"
    & skf18("5","4","2","4","6","2","1") = "5"
    & skf18("5","4","2","4","6","3","1") = "5"
    & skf18("5","4","2","4","6","4","1") = "5"
    & skf18("5","4","2","4","6","5","1") = "5"
    & skf18("5","4","2","4","6","6","1") = "5"
    & skf18("5","4","2","4","6","7","1") = "6"
    & skf18("5","4","2","4","6","8","1") = "7"
    & skf18("5","4","2","4","6","9","1") = "8"
    & skf18("5","4","2","4","6","10","1") = "9"
    & skf18("5","4","2","4","7","1","1") = "6"
    & skf18("5","4","2","4","7","2","1") = "6"
    & skf18("5","4","2","4","7","3","1") = "6"
    & skf18("5","4","2","4","7","4","1") = "6"
    & skf18("5","4","2","4","7","5","1") = "6"
    & skf18("5","4","2","4","7","6","1") = "6"
    & skf18("5","4","2","4","7","7","1") = "6"
    & skf18("5","4","2","4","7","8","1") = "7"
    & skf18("5","4","2","4","7","9","1") = "8"
    & skf18("5","4","2","4","7","10","1") = "9"
    & skf18("5","4","2","4","8","1","1") = "7"
    & skf18("5","4","2","4","8","2","1") = "7"
    & skf18("5","4","2","4","8","3","1") = "7"
    & skf18("5","4","2","4","8","4","1") = "7"
    & skf18("5","4","2","4","8","5","1") = "7"
    & skf18("5","4","2","4","8","6","1") = "7"
    & skf18("5","4","2","4","8","7","1") = "7"
    & skf18("5","4","2","4","8","8","1") = "7"
    & skf18("5","4","2","4","8","9","1") = "8"
    & skf18("5","4","2","4","8","10","1") = "9"
    & skf18("5","4","2","4","9","1","1") = "8"
    & skf18("5","4","2","4","9","2","1") = "8"
    & skf18("5","4","2","4","9","3","1") = "8"
    & skf18("5","4","2","4","9","4","1") = "8"
    & skf18("5","4","2","4","9","5","1") = "8"
    & skf18("5","4","2","4","9","6","1") = "8"
    & skf18("5","4","2","4","9","7","1") = "8"
    & skf18("5","4","2","4","9","8","1") = "8"
    & skf18("5","4","2","4","9","9","1") = "8"
    & skf18("5","4","2","4","9","10","1") = "9"
    & skf18("5","4","2","4","10","1","1") = "9"
    & skf18("5","4","2","4","10","2","1") = "9"
    & skf18("5","4","2","4","10","3","1") = "9"
    & skf18("5","4","2","4","10","4","1") = "9"
    & skf18("5","4","2","4","10","5","1") = "9"
    & skf18("5","4","2","4","10","6","1") = "9"
    & skf18("5","4","2","4","10","7","1") = "9"
    & skf18("5","4","2","4","10","8","1") = "9"
    & skf18("5","4","2","4","10","9","1") = "9"
    & skf18("5","4","2","4","10","10","1") = "9"
    & skf18("5","4","2","5","1","1","1") = "4"
    & skf18("5","4","2","5","1","2","1") = "4"
    & skf18("5","4","2","5","1","3","1") = "4"
    & skf18("5","4","2","5","1","4","1") = "4"
    & skf18("5","4","2","5","1","5","1") = "4"
    & skf18("5","4","2","5","1","6","1") = "5"
    & skf18("5","4","2","5","1","7","1") = "6"
    & skf18("5","4","2","5","1","8","1") = "7"
    & skf18("5","4","2","5","1","9","1") = "8"
    & skf18("5","4","2","5","1","10","1") = "9"
    & skf18("5","4","2","5","2","1","1") = "4"
    & skf18("5","4","2","5","2","2","1") = "4"
    & skf18("5","4","2","5","2","3","1") = "4"
    & skf18("5","4","2","5","2","4","1") = "4"
    & skf18("5","4","2","5","2","5","1") = "4"
    & skf18("5","4","2","5","2","6","1") = "5"
    & skf18("5","4","2","5","2","7","1") = "6"
    & skf18("5","4","2","5","2","8","1") = "7"
    & skf18("5","4","2","5","2","9","1") = "8"
    & skf18("5","4","2","5","2","10","1") = "9"
    & skf18("5","4","2","5","3","1","1") = "4"
    & skf18("5","4","2","5","3","2","1") = "4"
    & skf18("5","4","2","5","3","3","1") = "4"
    & skf18("5","4","2","5","3","4","1") = "4"
    & skf18("5","4","2","5","3","5","1") = "4"
    & skf18("5","4","2","5","3","6","1") = "5"
    & skf18("5","4","2","5","3","7","1") = "6"
    & skf18("5","4","2","5","3","8","1") = "7"
    & skf18("5","4","2","5","3","9","1") = "8"
    & skf18("5","4","2","5","3","10","1") = "9"
    & skf18("5","4","2","5","4","1","1") = "4"
    & skf18("5","4","2","5","4","2","1") = "4"
    & skf18("5","4","2","5","4","3","1") = "4"
    & skf18("5","4","2","5","4","4","1") = "4"
    & skf18("5","4","2","5","4","5","1") = "4"
    & skf18("5","4","2","5","4","6","1") = "5"
    & skf18("5","4","2","5","4","7","1") = "6"
    & skf18("5","4","2","5","4","8","1") = "7"
    & skf18("5","4","2","5","4","9","1") = "8"
    & skf18("5","4","2","5","4","10","1") = "9"
    & skf18("5","4","2","5","5","1","1") = "4"
    & skf18("5","4","2","5","5","2","1") = "4"
    & skf18("5","4","2","5","5","3","1") = "4"
    & skf18("5","4","2","5","5","4","1") = "4"
    & skf18("5","4","2","5","5","5","1") = "4"
    & skf18("5","4","2","5","5","6","1") = "5"
    & skf18("5","4","2","5","5","7","1") = "6"
    & skf18("5","4","2","5","5","8","1") = "7"
    & skf18("5","4","2","5","5","9","1") = "8"
    & skf18("5","4","2","5","5","10","1") = "9"
    & skf18("5","4","2","5","6","1","1") = "5"
    & skf18("5","4","2","5","6","2","1") = "5"
    & skf18("5","4","2","5","6","3","1") = "5"
    & skf18("5","4","2","5","6","4","1") = "5"
    & skf18("5","4","2","5","6","5","1") = "5"
    & skf18("5","4","2","5","6","6","1") = "5"
    & skf18("5","4","2","5","6","7","1") = "6"
    & skf18("5","4","2","5","6","8","1") = "7"
    & skf18("5","4","2","5","6","9","1") = "8"
    & skf18("5","4","2","5","6","10","1") = "9"
    & skf18("5","4","2","5","7","1","1") = "6"
    & skf18("5","4","2","5","7","2","1") = "6"
    & skf18("5","4","2","5","7","3","1") = "6"
    & skf18("5","4","2","5","7","4","1") = "6"
    & skf18("5","4","2","5","7","5","1") = "6"
    & skf18("5","4","2","5","7","6","1") = "6"
    & skf18("5","4","2","5","7","7","1") = "6"
    & skf18("5","4","2","5","7","8","1") = "7"
    & skf18("5","4","2","5","7","9","1") = "8"
    & skf18("5","4","2","5","7","10","1") = "9"
    & skf18("5","4","2","5","8","1","1") = "7"
    & skf18("5","4","2","5","8","2","1") = "7"
    & skf18("5","4","2","5","8","3","1") = "7"
    & skf18("5","4","2","5","8","4","1") = "7"
    & skf18("5","4","2","5","8","5","1") = "7"
    & skf18("5","4","2","5","8","6","1") = "7"
    & skf18("5","4","2","5","8","7","1") = "7"
    & skf18("5","4","2","5","8","8","1") = "7"
    & skf18("5","4","2","5","8","9","1") = "8"
    & skf18("5","4","2","5","8","10","1") = "9"
    & skf18("5","4","2","5","9","1","1") = "8"
    & skf18("5","4","2","5","9","2","1") = "8"
    & skf18("5","4","2","5","9","3","1") = "8"
    & skf18("5","4","2","5","9","4","1") = "8"
    & skf18("5","4","2","5","9","5","1") = "8"
    & skf18("5","4","2","5","9","6","1") = "8"
    & skf18("5","4","2","5","9","7","1") = "8"
    & skf18("5","4","2","5","9","8","1") = "8"
    & skf18("5","4","2","5","9","9","1") = "8"
    & skf18("5","4","2","5","9","10","1") = "9"
    & skf18("5","4","2","5","10","1","1") = "9"
    & skf18("5","4","2","5","10","2","1") = "9"
    & skf18("5","4","2","5","10","3","1") = "9"
    & skf18("5","4","2","5","10","4","1") = "9"
    & skf18("5","4","2","5","10","5","1") = "9"
    & skf18("5","4","2","5","10","6","1") = "9"
    & skf18("5","4","2","5","10","7","1") = "9"
    & skf18("5","4","2","5","10","8","1") = "9"
    & skf18("5","4","2","5","10","9","1") = "9"
    & skf18("5","4","2","5","10","10","1") = "9"
    & skf18("5","4","2","6","1","1","1") = "5"
    & skf18("5","4","2","6","1","2","1") = "5"
    & skf18("5","4","2","6","1","3","1") = "5"
    & skf18("5","4","2","6","1","4","1") = "5"
    & skf18("5","4","2","6","1","5","1") = "5"
    & skf18("5","4","2","6","1","6","1") = "5"
    & skf18("5","4","2","6","1","7","1") = "6"
    & skf18("5","4","2","6","1","8","1") = "7"
    & skf18("5","4","2","6","1","9","1") = "8"
    & skf18("5","4","2","6","1","10","1") = "9"
    & skf18("5","4","2","6","2","1","1") = "5"
    & skf18("5","4","2","6","2","2","1") = "5"
    & skf18("5","4","2","6","2","3","1") = "5"
    & skf18("5","4","2","6","2","4","1") = "5"
    & skf18("5","4","2","6","2","5","1") = "5"
    & skf18("5","4","2","6","2","6","1") = "5"
    & skf18("5","4","2","6","2","7","1") = "6"
    & skf18("5","4","2","6","2","8","1") = "7"
    & skf18("5","4","2","6","2","9","1") = "8"
    & skf18("5","4","2","6","2","10","1") = "9"
    & skf18("5","4","2","6","3","1","1") = "5"
    & skf18("5","4","2","6","3","2","1") = "5"
    & skf18("5","4","2","6","3","3","1") = "5"
    & skf18("5","4","2","6","3","4","1") = "5"
    & skf18("5","4","2","6","3","5","1") = "5"
    & skf18("5","4","2","6","3","6","1") = "5"
    & skf18("5","4","2","6","3","7","1") = "6"
    & skf18("5","4","2","6","3","8","1") = "7"
    & skf18("5","4","2","6","3","9","1") = "8"
    & skf18("5","4","2","6","3","10","1") = "9"
    & skf18("5","4","2","6","4","1","1") = "5"
    & skf18("5","4","2","6","4","2","1") = "5"
    & skf18("5","4","2","6","4","3","1") = "5"
    & skf18("5","4","2","6","4","4","1") = "5"
    & skf18("5","4","2","6","4","5","1") = "5"
    & skf18("5","4","2","6","4","6","1") = "5"
    & skf18("5","4","2","6","4","7","1") = "6"
    & skf18("5","4","2","6","4","8","1") = "7"
    & skf18("5","4","2","6","4","9","1") = "8"
    & skf18("5","4","2","6","4","10","1") = "9"
    & skf18("5","4","2","6","5","1","1") = "5"
    & skf18("5","4","2","6","5","2","1") = "5"
    & skf18("5","4","2","6","5","3","1") = "5"
    & skf18("5","4","2","6","5","4","1") = "5"
    & skf18("5","4","2","6","5","5","1") = "5"
    & skf18("5","4","2","6","5","6","1") = "5"
    & skf18("5","4","2","6","5","7","1") = "6"
    & skf18("5","4","2","6","5","8","1") = "7"
    & skf18("5","4","2","6","5","9","1") = "8"
    & skf18("5","4","2","6","5","10","1") = "9"
    & skf18("5","4","2","6","6","1","1") = "5"
    & skf18("5","4","2","6","6","2","1") = "5"
    & skf18("5","4","2","6","6","3","1") = "5"
    & skf18("5","4","2","6","6","4","1") = "5"
    & skf18("5","4","2","6","6","5","1") = "5"
    & skf18("5","4","2","6","6","6","1") = "5"
    & skf18("5","4","2","6","6","7","1") = "6"
    & skf18("5","4","2","6","6","8","1") = "7"
    & skf18("5","4","2","6","6","9","1") = "8"
    & skf18("5","4","2","6","6","10","1") = "9"
    & skf18("5","4","2","6","7","1","1") = "6"
    & skf18("5","4","2","6","7","2","1") = "6"
    & skf18("5","4","2","6","7","3","1") = "6"
    & skf18("5","4","2","6","7","4","1") = "6"
    & skf18("5","4","2","6","7","5","1") = "6"
    & skf18("5","4","2","6","7","6","1") = "6"
    & skf18("5","4","2","6","7","7","1") = "6"
    & skf18("5","4","2","6","7","8","1") = "7"
    & skf18("5","4","2","6","7","9","1") = "8"
    & skf18("5","4","2","6","7","10","1") = "9"
    & skf18("5","4","2","6","8","1","1") = "7"
    & skf18("5","4","2","6","8","2","1") = "7"
    & skf18("5","4","2","6","8","3","1") = "7"
    & skf18("5","4","2","6","8","4","1") = "7"
    & skf18("5","4","2","6","8","5","1") = "7"
    & skf18("5","4","2","6","8","6","1") = "7"
    & skf18("5","4","2","6","8","7","1") = "7"
    & skf18("5","4","2","6","8","8","1") = "7"
    & skf18("5","4","2","6","8","9","1") = "8"
    & skf18("5","4","2","6","8","10","1") = "9"
    & skf18("5","4","2","6","9","1","1") = "8"
    & skf18("5","4","2","6","9","2","1") = "8"
    & skf18("5","4","2","6","9","3","1") = "8"
    & skf18("5","4","2","6","9","4","1") = "8"
    & skf18("5","4","2","6","9","5","1") = "8"
    & skf18("5","4","2","6","9","6","1") = "8"
    & skf18("5","4","2","6","9","7","1") = "8"
    & skf18("5","4","2","6","9","8","1") = "8"
    & skf18("5","4","2","6","9","9","1") = "8"
    & skf18("5","4","2","6","9","10","1") = "9"
    & skf18("5","4","2","6","10","1","1") = "9"
    & skf18("5","4","2","6","10","2","1") = "9"
    & skf18("5","4","2","6","10","3","1") = "9"
    & skf18("5","4","2","6","10","4","1") = "9"
    & skf18("5","4","2","6","10","5","1") = "9"
    & skf18("5","4","2","6","10","6","1") = "9"
    & skf18("5","4","2","6","10","7","1") = "9"
    & skf18("5","4","2","6","10","8","1") = "9"
    & skf18("5","4","2","6","10","9","1") = "9"
    & skf18("5","4","2","6","10","10","1") = "9"
    & skf18("5","4","2","7","1","1","1") = "6"
    & skf18("5","4","2","7","1","2","1") = "6"
    & skf18("5","4","2","7","1","3","1") = "6"
    & skf18("5","4","2","7","1","4","1") = "6"
    & skf18("5","4","2","7","1","5","1") = "6"
    & skf18("5","4","2","7","1","6","1") = "6"
    & skf18("5","4","2","7","1","7","1") = "6"
    & skf18("5","4","2","7","1","8","1") = "7"
    & skf18("5","4","2","7","1","9","1") = "8"
    & skf18("5","4","2","7","1","10","1") = "9"
    & skf18("5","4","2","7","2","1","1") = "6"
    & skf18("5","4","2","7","2","2","1") = "6"
    & skf18("5","4","2","7","2","3","1") = "6"
    & skf18("5","4","2","7","2","4","1") = "6"
    & skf18("5","4","2","7","2","5","1") = "6"
    & skf18("5","4","2","7","2","6","1") = "6"
    & skf18("5","4","2","7","2","7","1") = "6"
    & skf18("5","4","2","7","2","8","1") = "7"
    & skf18("5","4","2","7","2","9","1") = "8"
    & skf18("5","4","2","7","2","10","1") = "9"
    & skf18("5","4","2","7","3","1","1") = "6"
    & skf18("5","4","2","7","3","2","1") = "6"
    & skf18("5","4","2","7","3","3","1") = "6"
    & skf18("5","4","2","7","3","4","1") = "6"
    & skf18("5","4","2","7","3","5","1") = "6"
    & skf18("5","4","2","7","3","6","1") = "6"
    & skf18("5","4","2","7","3","7","1") = "6"
    & skf18("5","4","2","7","3","8","1") = "7"
    & skf18("5","4","2","7","3","9","1") = "8"
    & skf18("5","4","2","7","3","10","1") = "9"
    & skf18("5","4","2","7","4","1","1") = "6"
    & skf18("5","4","2","7","4","2","1") = "6"
    & skf18("5","4","2","7","4","3","1") = "6"
    & skf18("5","4","2","7","4","4","1") = "6"
    & skf18("5","4","2","7","4","5","1") = "6"
    & skf18("5","4","2","7","4","6","1") = "6"
    & skf18("5","4","2","7","4","7","1") = "6"
    & skf18("5","4","2","7","4","8","1") = "7"
    & skf18("5","4","2","7","4","9","1") = "8"
    & skf18("5","4","2","7","4","10","1") = "9"
    & skf18("5","4","2","7","5","1","1") = "6"
    & skf18("5","4","2","7","5","2","1") = "6"
    & skf18("5","4","2","7","5","3","1") = "6"
    & skf18("5","4","2","7","5","4","1") = "6"
    & skf18("5","4","2","7","5","5","1") = "6"
    & skf18("5","4","2","7","5","6","1") = "6"
    & skf18("5","4","2","7","5","7","1") = "6"
    & skf18("5","4","2","7","5","8","1") = "7"
    & skf18("5","4","2","7","5","9","1") = "8"
    & skf18("5","4","2","7","5","10","1") = "9"
    & skf18("5","4","2","7","6","1","1") = "6"
    & skf18("5","4","2","7","6","2","1") = "6"
    & skf18("5","4","2","7","6","3","1") = "6"
    & skf18("5","4","2","7","6","4","1") = "6"
    & skf18("5","4","2","7","6","5","1") = "6"
    & skf18("5","4","2","7","6","6","1") = "6"
    & skf18("5","4","2","7","6","7","1") = "6"
    & skf18("5","4","2","7","6","8","1") = "7"
    & skf18("5","4","2","7","6","9","1") = "8"
    & skf18("5","4","2","7","6","10","1") = "9"
    & skf18("5","4","2","7","7","1","1") = "6"
    & skf18("5","4","2","7","7","2","1") = "6"
    & skf18("5","4","2","7","7","3","1") = "6"
    & skf18("5","4","2","7","7","4","1") = "6"
    & skf18("5","4","2","7","7","5","1") = "6"
    & skf18("5","4","2","7","7","6","1") = "6"
    & skf18("5","4","2","7","7","7","1") = "6"
    & skf18("5","4","2","7","7","8","1") = "7"
    & skf18("5","4","2","7","7","9","1") = "8"
    & skf18("5","4","2","7","7","10","1") = "9"
    & skf18("5","4","2","7","8","1","1") = "7"
    & skf18("5","4","2","7","8","2","1") = "7"
    & skf18("5","4","2","7","8","3","1") = "7"
    & skf18("5","4","2","7","8","4","1") = "7"
    & skf18("5","4","2","7","8","5","1") = "7"
    & skf18("5","4","2","7","8","6","1") = "7"
    & skf18("5","4","2","7","8","7","1") = "7"
    & skf18("5","4","2","7","8","8","1") = "7"
    & skf18("5","4","2","7","8","9","1") = "8"
    & skf18("5","4","2","7","8","10","1") = "9"
    & skf18("5","4","2","7","9","1","1") = "8"
    & skf18("5","4","2","7","9","2","1") = "8"
    & skf18("5","4","2","7","9","3","1") = "8"
    & skf18("5","4","2","7","9","4","1") = "8"
    & skf18("5","4","2","7","9","5","1") = "8"
    & skf18("5","4","2","7","9","6","1") = "8"
    & skf18("5","4","2","7","9","7","1") = "8"
    & skf18("5","4","2","7","9","8","1") = "8"
    & skf18("5","4","2","7","9","9","1") = "8"
    & skf18("5","4","2","7","9","10","1") = "9"
    & skf18("5","4","2","7","10","1","1") = "9"
    & skf18("5","4","2","7","10","2","1") = "9"
    & skf18("5","4","2","7","10","3","1") = "9"
    & skf18("5","4","2","7","10","4","1") = "9"
    & skf18("5","4","2","7","10","5","1") = "9"
    & skf18("5","4","2","7","10","6","1") = "9"
    & skf18("5","4","2","7","10","7","1") = "9"
    & skf18("5","4","2","7","10","8","1") = "9"
    & skf18("5","4","2","7","10","9","1") = "9"
    & skf18("5","4","2","7","10","10","1") = "9"
    & skf18("5","4","2","8","1","1","1") = "7"
    & skf18("5","4","2","8","1","2","1") = "7"
    & skf18("5","4","2","8","1","3","1") = "7"
    & skf18("5","4","2","8","1","4","1") = "7"
    & skf18("5","4","2","8","1","5","1") = "7"
    & skf18("5","4","2","8","1","6","1") = "7"
    & skf18("5","4","2","8","1","7","1") = "7"
    & skf18("5","4","2","8","1","8","1") = "7"
    & skf18("5","4","2","8","1","9","1") = "8"
    & skf18("5","4","2","8","1","10","1") = "9"
    & skf18("5","4","2","8","2","1","1") = "7"
    & skf18("5","4","2","8","2","2","1") = "7"
    & skf18("5","4","2","8","2","3","1") = "7"
    & skf18("5","4","2","8","2","4","1") = "7"
    & skf18("5","4","2","8","2","5","1") = "7"
    & skf18("5","4","2","8","2","6","1") = "7"
    & skf18("5","4","2","8","2","7","1") = "7"
    & skf18("5","4","2","8","2","8","1") = "7"
    & skf18("5","4","2","8","2","9","1") = "8"
    & skf18("5","4","2","8","2","10","1") = "9"
    & skf18("5","4","2","8","3","1","1") = "7"
    & skf18("5","4","2","8","3","2","1") = "7"
    & skf18("5","4","2","8","3","3","1") = "7"
    & skf18("5","4","2","8","3","4","1") = "7"
    & skf18("5","4","2","8","3","5","1") = "7"
    & skf18("5","4","2","8","3","6","1") = "7"
    & skf18("5","4","2","8","3","7","1") = "7"
    & skf18("5","4","2","8","3","8","1") = "7"
    & skf18("5","4","2","8","3","9","1") = "8"
    & skf18("5","4","2","8","3","10","1") = "9"
    & skf18("5","4","2","8","4","1","1") = "7"
    & skf18("5","4","2","8","4","2","1") = "7"
    & skf18("5","4","2","8","4","3","1") = "7"
    & skf18("5","4","2","8","4","4","1") = "7"
    & skf18("5","4","2","8","4","5","1") = "7"
    & skf18("5","4","2","8","4","6","1") = "7"
    & skf18("5","4","2","8","4","7","1") = "7"
    & skf18("5","4","2","8","4","8","1") = "7"
    & skf18("5","4","2","8","4","9","1") = "8"
    & skf18("5","4","2","8","4","10","1") = "9"
    & skf18("5","4","2","8","5","1","1") = "7"
    & skf18("5","4","2","8","5","2","1") = "7"
    & skf18("5","4","2","8","5","3","1") = "7"
    & skf18("5","4","2","8","5","4","1") = "7"
    & skf18("5","4","2","8","5","5","1") = "7"
    & skf18("5","4","2","8","5","6","1") = "7"
    & skf18("5","4","2","8","5","7","1") = "7"
    & skf18("5","4","2","8","5","8","1") = "7"
    & skf18("5","4","2","8","5","9","1") = "8"
    & skf18("5","4","2","8","5","10","1") = "9"
    & skf18("5","4","2","8","6","1","1") = "7"
    & skf18("5","4","2","8","6","2","1") = "7"
    & skf18("5","4","2","8","6","3","1") = "7"
    & skf18("5","4","2","8","6","4","1") = "7"
    & skf18("5","4","2","8","6","5","1") = "7"
    & skf18("5","4","2","8","6","6","1") = "7"
    & skf18("5","4","2","8","6","7","1") = "7"
    & skf18("5","4","2","8","6","8","1") = "7"
    & skf18("5","4","2","8","6","9","1") = "8"
    & skf18("5","4","2","8","6","10","1") = "9"
    & skf18("5","4","2","8","7","1","1") = "7"
    & skf18("5","4","2","8","7","2","1") = "7"
    & skf18("5","4","2","8","7","3","1") = "7"
    & skf18("5","4","2","8","7","4","1") = "7"
    & skf18("5","4","2","8","7","5","1") = "7"
    & skf18("5","4","2","8","7","6","1") = "7"
    & skf18("5","4","2","8","7","7","1") = "7"
    & skf18("5","4","2","8","7","8","1") = "7"
    & skf18("5","4","2","8","7","9","1") = "8"
    & skf18("5","4","2","8","7","10","1") = "9"
    & skf18("5","4","2","8","8","1","1") = "7"
    & skf18("5","4","2","8","8","2","1") = "7"
    & skf18("5","4","2","8","8","3","1") = "7"
    & skf18("5","4","2","8","8","4","1") = "7"
    & skf18("5","4","2","8","8","5","1") = "7"
    & skf18("5","4","2","8","8","6","1") = "7"
    & skf18("5","4","2","8","8","7","1") = "7"
    & skf18("5","4","2","8","8","8","1") = "7"
    & skf18("5","4","2","8","8","9","1") = "8"
    & skf18("5","4","2","8","8","10","1") = "9"
    & skf18("5","4","2","8","9","1","1") = "8"
    & skf18("5","4","2","8","9","2","1") = "8"
    & skf18("5","4","2","8","9","3","1") = "8"
    & skf18("5","4","2","8","9","4","1") = "8"
    & skf18("5","4","2","8","9","5","1") = "8"
    & skf18("5","4","2","8","9","6","1") = "8"
    & skf18("5","4","2","8","9","7","1") = "8"
    & skf18("5","4","2","8","9","8","1") = "8"
    & skf18("5","4","2","8","9","9","1") = "8"
    & skf18("5","4","2","8","9","10","1") = "9"
    & skf18("5","4","2","8","10","1","1") = "9"
    & skf18("5","4","2","8","10","2","1") = "9"
    & skf18("5","4","2","8","10","3","1") = "9"
    & skf18("5","4","2","8","10","4","1") = "9"
    & skf18("5","4","2","8","10","5","1") = "9"
    & skf18("5","4","2","8","10","6","1") = "9"
    & skf18("5","4","2","8","10","7","1") = "9"
    & skf18("5","4","2","8","10","8","1") = "9"
    & skf18("5","4","2","8","10","9","1") = "9"
    & skf18("5","4","2","8","10","10","1") = "9"
    & skf18("5","4","2","9","1","1","1") = "8"
    & skf18("5","4","2","9","1","2","1") = "8"
    & skf18("5","4","2","9","1","3","1") = "8"
    & skf18("5","4","2","9","1","4","1") = "8"
    & skf18("5","4","2","9","1","5","1") = "8"
    & skf18("5","4","2","9","1","6","1") = "8"
    & skf18("5","4","2","9","1","7","1") = "8"
    & skf18("5","4","2","9","1","8","1") = "8"
    & skf18("5","4","2","9","1","9","1") = "8"
    & skf18("5","4","2","9","1","10","1") = "9"
    & skf18("5","4","2","9","2","1","1") = "8"
    & skf18("5","4","2","9","2","2","1") = "8"
    & skf18("5","4","2","9","2","3","1") = "8"
    & skf18("5","4","2","9","2","4","1") = "8"
    & skf18("5","4","2","9","2","5","1") = "8"
    & skf18("5","4","2","9","2","6","1") = "8"
    & skf18("5","4","2","9","2","7","1") = "8"
    & skf18("5","4","2","9","2","8","1") = "8"
    & skf18("5","4","2","9","2","9","1") = "8"
    & skf18("5","4","2","9","2","10","1") = "9"
    & skf18("5","4","2","9","3","1","1") = "8"
    & skf18("5","4","2","9","3","2","1") = "8"
    & skf18("5","4","2","9","3","3","1") = "8"
    & skf18("5","4","2","9","3","4","1") = "8"
    & skf18("5","4","2","9","3","5","1") = "8"
    & skf18("5","4","2","9","3","6","1") = "8"
    & skf18("5","4","2","9","3","7","1") = "8"
    & skf18("5","4","2","9","3","8","1") = "8"
    & skf18("5","4","2","9","3","9","1") = "8"
    & skf18("5","4","2","9","3","10","1") = "9"
    & skf18("5","4","2","9","4","1","1") = "8"
    & skf18("5","4","2","9","4","2","1") = "8"
    & skf18("5","4","2","9","4","3","1") = "8"
    & skf18("5","4","2","9","4","4","1") = "8"
    & skf18("5","4","2","9","4","5","1") = "8"
    & skf18("5","4","2","9","4","6","1") = "8"
    & skf18("5","4","2","9","4","7","1") = "8"
    & skf18("5","4","2","9","4","8","1") = "8"
    & skf18("5","4","2","9","4","9","1") = "8"
    & skf18("5","4","2","9","4","10","1") = "9"
    & skf18("5","4","2","9","5","1","1") = "8"
    & skf18("5","4","2","9","5","2","1") = "8"
    & skf18("5","4","2","9","5","3","1") = "8"
    & skf18("5","4","2","9","5","4","1") = "8"
    & skf18("5","4","2","9","5","5","1") = "8"
    & skf18("5","4","2","9","5","6","1") = "8"
    & skf18("5","4","2","9","5","7","1") = "8"
    & skf18("5","4","2","9","5","8","1") = "8"
    & skf18("5","4","2","9","5","9","1") = "8"
    & skf18("5","4","2","9","5","10","1") = "9"
    & skf18("5","4","2","9","6","1","1") = "8"
    & skf18("5","4","2","9","6","2","1") = "8"
    & skf18("5","4","2","9","6","3","1") = "8"
    & skf18("5","4","2","9","6","4","1") = "8"
    & skf18("5","4","2","9","6","5","1") = "8"
    & skf18("5","4","2","9","6","6","1") = "8"
    & skf18("5","4","2","9","6","7","1") = "8"
    & skf18("5","4","2","9","6","8","1") = "8"
    & skf18("5","4","2","9","6","9","1") = "8"
    & skf18("5","4","2","9","6","10","1") = "9"
    & skf18("5","4","2","9","7","1","1") = "8"
    & skf18("5","4","2","9","7","2","1") = "8"
    & skf18("5","4","2","9","7","3","1") = "8"
    & skf18("5","4","2","9","7","4","1") = "8"
    & skf18("5","4","2","9","7","5","1") = "8"
    & skf18("5","4","2","9","7","6","1") = "8"
    & skf18("5","4","2","9","7","7","1") = "8"
    & skf18("5","4","2","9","7","8","1") = "8"
    & skf18("5","4","2","9","7","9","1") = "8"
    & skf18("5","4","2","9","7","10","1") = "9"
    & skf18("5","4","2","9","8","1","1") = "8"
    & skf18("5","4","2","9","8","2","1") = "8"
    & skf18("5","4","2","9","8","3","1") = "8"
    & skf18("5","4","2","9","8","4","1") = "8"
    & skf18("5","4","2","9","8","5","1") = "8"
    & skf18("5","4","2","9","8","6","1") = "8"
    & skf18("5","4","2","9","8","7","1") = "8"
    & skf18("5","4","2","9","8","8","1") = "8"
    & skf18("5","4","2","9","8","9","1") = "8"
    & skf18("5","4","2","9","8","10","1") = "9"
    & skf18("5","4","2","9","9","1","1") = "8"
    & skf18("5","4","2","9","9","2","1") = "8"
    & skf18("5","4","2","9","9","3","1") = "8"
    & skf18("5","4","2","9","9","4","1") = "8"
    & skf18("5","4","2","9","9","5","1") = "8"
    & skf18("5","4","2","9","9","6","1") = "8"
    & skf18("5","4","2","9","9","7","1") = "8"
    & skf18("5","4","2","9","9","8","1") = "8"
    & skf18("5","4","2","9","9","9","1") = "8"
    & skf18("5","4","2","9","9","10","1") = "9"
    & skf18("5","4","2","9","10","1","1") = "9"
    & skf18("5","4","2","9","10","2","1") = "9"
    & skf18("5","4","2","9","10","3","1") = "9"
    & skf18("5","4","2","9","10","4","1") = "9"
    & skf18("5","4","2","9","10","5","1") = "9"
    & skf18("5","4","2","9","10","6","1") = "9"
    & skf18("5","4","2","9","10","7","1") = "9"
    & skf18("5","4","2","9","10","8","1") = "9"
    & skf18("5","4","2","9","10","9","1") = "9"
    & skf18("5","4","2","9","10","10","1") = "9"
    & skf18("5","4","2","10","1","1","1") = "9"
    & skf18("5","4","2","10","1","2","1") = "9"
    & skf18("5","4","2","10","1","3","1") = "9"
    & skf18("5","4","2","10","1","4","1") = "9"
    & skf18("5","4","2","10","1","5","1") = "9"
    & skf18("5","4","2","10","1","6","1") = "9"
    & skf18("5","4","2","10","1","7","1") = "9"
    & skf18("5","4","2","10","1","8","1") = "9"
    & skf18("5","4","2","10","1","9","1") = "9"
    & skf18("5","4","2","10","1","10","1") = "9"
    & skf18("5","4","2","10","2","1","1") = "9"
    & skf18("5","4","2","10","2","2","1") = "9"
    & skf18("5","4","2","10","2","3","1") = "9"
    & skf18("5","4","2","10","2","4","1") = "9"
    & skf18("5","4","2","10","2","5","1") = "9"
    & skf18("5","4","2","10","2","6","1") = "9"
    & skf18("5","4","2","10","2","7","1") = "9"
    & skf18("5","4","2","10","2","8","1") = "9"
    & skf18("5","4","2","10","2","9","1") = "9"
    & skf18("5","4","2","10","2","10","1") = "9"
    & skf18("5","4","2","10","3","1","1") = "9"
    & skf18("5","4","2","10","3","2","1") = "9"
    & skf18("5","4","2","10","3","3","1") = "9"
    & skf18("5","4","2","10","3","4","1") = "9"
    & skf18("5","4","2","10","3","5","1") = "9"
    & skf18("5","4","2","10","3","6","1") = "9"
    & skf18("5","4","2","10","3","7","1") = "9"
    & skf18("5","4","2","10","3","8","1") = "9"
    & skf18("5","4","2","10","3","9","1") = "9"
    & skf18("5","4","2","10","3","10","1") = "9"
    & skf18("5","4","2","10","4","1","1") = "9"
    & skf18("5","4","2","10","4","2","1") = "9"
    & skf18("5","4","2","10","4","3","1") = "9"
    & skf18("5","4","2","10","4","4","1") = "9"
    & skf18("5","4","2","10","4","5","1") = "9"
    & skf18("5","4","2","10","4","6","1") = "9"
    & skf18("5","4","2","10","4","7","1") = "9"
    & skf18("5","4","2","10","4","8","1") = "9"
    & skf18("5","4","2","10","4","9","1") = "9"
    & skf18("5","4","2","10","4","10","1") = "9"
    & skf18("5","4","2","10","5","1","1") = "9"
    & skf18("5","4","2","10","5","2","1") = "9"
    & skf18("5","4","2","10","5","3","1") = "9"
    & skf18("5","4","2","10","5","4","1") = "9"
    & skf18("5","4","2","10","5","5","1") = "9"
    & skf18("5","4","2","10","5","6","1") = "9"
    & skf18("5","4","2","10","5","7","1") = "9"
    & skf18("5","4","2","10","5","8","1") = "9"
    & skf18("5","4","2","10","5","9","1") = "9"
    & skf18("5","4","2","10","5","10","1") = "9"
    & skf18("5","4","2","10","6","1","1") = "9"
    & skf18("5","4","2","10","6","2","1") = "9"
    & skf18("5","4","2","10","6","3","1") = "9"
    & skf18("5","4","2","10","6","4","1") = "9"
    & skf18("5","4","2","10","6","5","1") = "9"
    & skf18("5","4","2","10","6","6","1") = "9"
    & skf18("5","4","2","10","6","7","1") = "9"
    & skf18("5","4","2","10","6","8","1") = "9"
    & skf18("5","4","2","10","6","9","1") = "9"
    & skf18("5","4","2","10","6","10","1") = "9"
    & skf18("5","4","2","10","7","1","1") = "9"
    & skf18("5","4","2","10","7","2","1") = "9"
    & skf18("5","4","2","10","7","3","1") = "9"
    & skf18("5","4","2","10","7","4","1") = "9"
    & skf18("5","4","2","10","7","5","1") = "9"
    & skf18("5","4","2","10","7","6","1") = "9"
    & skf18("5","4","2","10","7","7","1") = "9"
    & skf18("5","4","2","10","7","8","1") = "9"
    & skf18("5","4","2","10","7","9","1") = "9"
    & skf18("5","4","2","10","7","10","1") = "9"
    & skf18("5","4","2","10","8","1","1") = "9"
    & skf18("5","4","2","10","8","2","1") = "9"
    & skf18("5","4","2","10","8","3","1") = "9"
    & skf18("5","4","2","10","8","4","1") = "9"
    & skf18("5","4","2","10","8","5","1") = "9"
    & skf18("5","4","2","10","8","6","1") = "9"
    & skf18("5","4","2","10","8","7","1") = "9"
    & skf18("5","4","2","10","8","8","1") = "9"
    & skf18("5","4","2","10","8","9","1") = "9"
    & skf18("5","4","2","10","8","10","1") = "9"
    & skf18("5","4","2","10","9","1","1") = "9"
    & skf18("5","4","2","10","9","2","1") = "9"
    & skf18("5","4","2","10","9","3","1") = "9"
    & skf18("5","4","2","10","9","4","1") = "9"
    & skf18("5","4","2","10","9","5","1") = "9"
    & skf18("5","4","2","10","9","6","1") = "9"
    & skf18("5","4","2","10","9","7","1") = "9"
    & skf18("5","4","2","10","9","8","1") = "9"
    & skf18("5","4","2","10","9","9","1") = "9"
    & skf18("5","4","2","10","9","10","1") = "9"
    & skf18("5","4","2","10","10","1","1") = "9"
    & skf18("5","4","2","10","10","2","1") = "9"
    & skf18("5","4","2","10","10","3","1") = "9"
    & skf18("5","4","2","10","10","4","1") = "9"
    & skf18("5","4","2","10","10","5","1") = "9"
    & skf18("5","4","2","10","10","6","1") = "9"
    & skf18("5","4","2","10","10","7","1") = "9"
    & skf18("5","4","2","10","10","8","1") = "9"
    & skf18("5","4","2","10","10","9","1") = "9"
    & skf18("5","4","2","10","10","10","1") = "9"
    & skf18("5","4","3","1","1","1","1") = "4"
    & skf18("5","4","3","1","1","2","1") = "4"
    & skf18("5","4","3","1","1","3","1") = "4"
    & skf18("5","4","3","1","1","4","1") = "4"
    & skf18("5","4","3","1","1","5","1") = "4"
    & skf18("5","4","3","1","1","6","1") = "5"
    & skf18("5","4","3","1","1","7","1") = "6"
    & skf18("5","4","3","1","1","8","1") = "7"
    & skf18("5","4","3","1","1","9","1") = "8"
    & skf18("5","4","3","1","1","10","1") = "9"
    & skf18("5","4","3","1","2","1","1") = "4"
    & skf18("5","4","3","1","2","2","1") = "4"
    & skf18("5","4","3","1","2","3","1") = "4"
    & skf18("5","4","3","1","2","4","1") = "4"
    & skf18("5","4","3","1","2","5","1") = "4"
    & skf18("5","4","3","1","2","6","1") = "5"
    & skf18("5","4","3","1","2","7","1") = "6"
    & skf18("5","4","3","1","2","8","1") = "7"
    & skf18("5","4","3","1","2","9","1") = "8"
    & skf18("5","4","3","1","2","10","1") = "9"
    & skf18("5","4","3","1","3","1","1") = "4"
    & skf18("5","4","3","1","3","2","1") = "4"
    & skf18("5","4","3","1","3","3","1") = "4"
    & skf18("5","4","3","1","3","4","1") = "4"
    & skf18("5","4","3","1","3","5","1") = "4"
    & skf18("5","4","3","1","3","6","1") = "5"
    & skf18("5","4","3","1","3","7","1") = "6"
    & skf18("5","4","3","1","3","8","1") = "7"
    & skf18("5","4","3","1","3","9","1") = "8"
    & skf18("5","4","3","1","3","10","1") = "9"
    & skf18("5","4","3","1","4","1","1") = "4"
    & skf18("5","4","3","1","4","2","1") = "4"
    & skf18("5","4","3","1","4","3","1") = "4"
    & skf18("5","4","3","1","4","4","1") = "4"
    & skf18("5","4","3","1","4","5","1") = "4"
    & skf18("5","4","3","1","4","6","1") = "5"
    & skf18("5","4","3","1","4","7","1") = "6"
    & skf18("5","4","3","1","4","8","1") = "7"
    & skf18("5","4","3","1","4","9","1") = "8"
    & skf18("5","4","3","1","4","10","1") = "9"
    & skf18("5","4","3","1","5","1","1") = "4"
    & skf18("5","4","3","1","5","2","1") = "4"
    & skf18("5","4","3","1","5","3","1") = "4"
    & skf18("5","4","3","1","5","4","1") = "4"
    & skf18("5","4","3","1","5","5","1") = "4"
    & skf18("5","4","3","1","5","6","1") = "5"
    & skf18("5","4","3","1","5","7","1") = "6"
    & skf18("5","4","3","1","5","8","1") = "7"
    & skf18("5","4","3","1","5","9","1") = "8"
    & skf18("5","4","3","1","5","10","1") = "9"
    & skf18("5","4","3","1","6","1","1") = "5"
    & skf18("5","4","3","1","6","2","1") = "5"
    & skf18("5","4","3","1","6","3","1") = "5"
    & skf18("5","4","3","1","6","4","1") = "5"
    & skf18("5","4","3","1","6","5","1") = "5"
    & skf18("5","4","3","1","6","6","1") = "5"
    & skf18("5","4","3","1","6","7","1") = "6"
    & skf18("5","4","3","1","6","8","1") = "7"
    & skf18("5","4","3","1","6","9","1") = "8"
    & skf18("5","4","3","1","6","10","1") = "9"
    & skf18("5","4","3","1","7","1","1") = "6"
    & skf18("5","4","3","1","7","2","1") = "6"
    & skf18("5","4","3","1","7","3","1") = "6"
    & skf18("5","4","3","1","7","4","1") = "6"
    & skf18("5","4","3","1","7","5","1") = "6"
    & skf18("5","4","3","1","7","6","1") = "6"
    & skf18("5","4","3","1","7","7","1") = "6"
    & skf18("5","4","3","1","7","8","1") = "7"
    & skf18("5","4","3","1","7","9","1") = "8"
    & skf18("5","4","3","1","7","10","1") = "9"
    & skf18("5","4","3","1","8","1","1") = "7"
    & skf18("5","4","3","1","8","2","1") = "7"
    & skf18("5","4","3","1","8","3","1") = "7"
    & skf18("5","4","3","1","8","4","1") = "7"
    & skf18("5","4","3","1","8","5","1") = "7"
    & skf18("5","4","3","1","8","6","1") = "7"
    & skf18("5","4","3","1","8","7","1") = "7"
    & skf18("5","4","3","1","8","8","1") = "7"
    & skf18("5","4","3","1","8","9","1") = "8"
    & skf18("5","4","3","1","8","10","1") = "9"
    & skf18("5","4","3","1","9","1","1") = "8"
    & skf18("5","4","3","1","9","2","1") = "8"
    & skf18("5","4","3","1","9","3","1") = "8"
    & skf18("5","4","3","1","9","4","1") = "8"
    & skf18("5","4","3","1","9","5","1") = "8"
    & skf18("5","4","3","1","9","6","1") = "8"
    & skf18("5","4","3","1","9","7","1") = "8"
    & skf18("5","4","3","1","9","8","1") = "8"
    & skf18("5","4","3","1","9","9","1") = "8"
    & skf18("5","4","3","1","9","10","1") = "9"
    & skf18("5","4","3","1","10","1","1") = "9"
    & skf18("5","4","3","1","10","2","1") = "9"
    & skf18("5","4","3","1","10","3","1") = "9"
    & skf18("5","4","3","1","10","4","1") = "9"
    & skf18("5","4","3","1","10","5","1") = "9"
    & skf18("5","4","3","1","10","6","1") = "9"
    & skf18("5","4","3","1","10","7","1") = "9"
    & skf18("5","4","3","1","10","8","1") = "9"
    & skf18("5","4","3","1","10","9","1") = "9"
    & skf18("5","4","3","1","10","10","1") = "9"
    & skf18("5","4","3","2","1","1","1") = "4"
    & skf18("5","4","3","2","1","2","1") = "4"
    & skf18("5","4","3","2","1","3","1") = "4"
    & skf18("5","4","3","2","1","4","1") = "4"
    & skf18("5","4","3","2","1","5","1") = "4"
    & skf18("5","4","3","2","1","6","1") = "5"
    & skf18("5","4","3","2","1","7","1") = "6"
    & skf18("5","4","3","2","1","8","1") = "7"
    & skf18("5","4","3","2","1","9","1") = "8"
    & skf18("5","4","3","2","1","10","1") = "9"
    & skf18("5","4","3","2","2","1","1") = "4"
    & skf18("5","4","3","2","2","2","1") = "4"
    & skf18("5","4","3","2","2","3","1") = "4"
    & skf18("5","4","3","2","2","4","1") = "4"
    & skf18("5","4","3","2","2","5","1") = "4"
    & skf18("5","4","3","2","2","6","1") = "5"
    & skf18("5","4","3","2","2","7","1") = "6"
    & skf18("5","4","3","2","2","8","1") = "7"
    & skf18("5","4","3","2","2","9","1") = "8"
    & skf18("5","4","3","2","2","10","1") = "9"
    & skf18("5","4","3","2","3","1","1") = "4"
    & skf18("5","4","3","2","3","2","1") = "4"
    & skf18("5","4","3","2","3","3","1") = "4"
    & skf18("5","4","3","2","3","4","1") = "4"
    & skf18("5","4","3","2","3","5","1") = "4"
    & skf18("5","4","3","2","3","6","1") = "5"
    & skf18("5","4","3","2","3","7","1") = "6"
    & skf18("5","4","3","2","3","8","1") = "7"
    & skf18("5","4","3","2","3","9","1") = "8"
    & skf18("5","4","3","2","3","10","1") = "9"
    & skf18("5","4","3","2","4","1","1") = "4"
    & skf18("5","4","3","2","4","2","1") = "4"
    & skf18("5","4","3","2","4","3","1") = "4"
    & skf18("5","4","3","2","4","4","1") = "4"
    & skf18("5","4","3","2","4","5","1") = "4"
    & skf18("5","4","3","2","4","6","1") = "5"
    & skf18("5","4","3","2","4","7","1") = "6"
    & skf18("5","4","3","2","4","8","1") = "7"
    & skf18("5","4","3","2","4","9","1") = "8"
    & skf18("5","4","3","2","4","10","1") = "9"
    & skf18("5","4","3","2","5","1","1") = "4"
    & skf18("5","4","3","2","5","2","1") = "4"
    & skf18("5","4","3","2","5","3","1") = "4"
    & skf18("5","4","3","2","5","4","1") = "4"
    & skf18("5","4","3","2","5","5","1") = "4"
    & skf18("5","4","3","2","5","6","1") = "5"
    & skf18("5","4","3","2","5","7","1") = "6"
    & skf18("5","4","3","2","5","8","1") = "7"
    & skf18("5","4","3","2","5","9","1") = "8"
    & skf18("5","4","3","2","5","10","1") = "9"
    & skf18("5","4","3","2","6","1","1") = "5"
    & skf18("5","4","3","2","6","2","1") = "5"
    & skf18("5","4","3","2","6","3","1") = "5"
    & skf18("5","4","3","2","6","4","1") = "5"
    & skf18("5","4","3","2","6","5","1") = "5"
    & skf18("5","4","3","2","6","6","1") = "5"
    & skf18("5","4","3","2","6","7","1") = "6"
    & skf18("5","4","3","2","6","8","1") = "7"
    & skf18("5","4","3","2","6","9","1") = "8"
    & skf18("5","4","3","2","6","10","1") = "9"
    & skf18("5","4","3","2","7","1","1") = "6"
    & skf18("5","4","3","2","7","2","1") = "6"
    & skf18("5","4","3","2","7","3","1") = "6"
    & skf18("5","4","3","2","7","4","1") = "6"
    & skf18("5","4","3","2","7","5","1") = "6"
    & skf18("5","4","3","2","7","6","1") = "6"
    & skf18("5","4","3","2","7","7","1") = "6"
    & skf18("5","4","3","2","7","8","1") = "7"
    & skf18("5","4","3","2","7","9","1") = "8"
    & skf18("5","4","3","2","7","10","1") = "9"
    & skf18("5","4","3","2","8","1","1") = "7"
    & skf18("5","4","3","2","8","2","1") = "7"
    & skf18("5","4","3","2","8","3","1") = "7"
    & skf18("5","4","3","2","8","4","1") = "7"
    & skf18("5","4","3","2","8","5","1") = "7"
    & skf18("5","4","3","2","8","6","1") = "7"
    & skf18("5","4","3","2","8","7","1") = "7"
    & skf18("5","4","3","2","8","8","1") = "7"
    & skf18("5","4","3","2","8","9","1") = "8"
    & skf18("5","4","3","2","8","10","1") = "9"
    & skf18("5","4","3","2","9","1","1") = "8"
    & skf18("5","4","3","2","9","2","1") = "8"
    & skf18("5","4","3","2","9","3","1") = "8"
    & skf18("5","4","3","2","9","4","1") = "8"
    & skf18("5","4","3","2","9","5","1") = "8"
    & skf18("5","4","3","2","9","6","1") = "8"
    & skf18("5","4","3","2","9","7","1") = "8"
    & skf18("5","4","3","2","9","8","1") = "8"
    & skf18("5","4","3","2","9","9","1") = "8"
    & skf18("5","4","3","2","9","10","1") = "9"
    & skf18("5","4","3","2","10","1","1") = "9"
    & skf18("5","4","3","2","10","2","1") = "9"
    & skf18("5","4","3","2","10","3","1") = "9"
    & skf18("5","4","3","2","10","4","1") = "9"
    & skf18("5","4","3","2","10","5","1") = "9"
    & skf18("5","4","3","2","10","6","1") = "9"
    & skf18("5","4","3","2","10","7","1") = "9"
    & skf18("5","4","3","2","10","8","1") = "9"
    & skf18("5","4","3","2","10","9","1") = "9"
    & skf18("5","4","3","2","10","10","1") = "9"
    & skf18("5","4","3","3","1","1","1") = "4"
    & skf18("5","4","3","3","1","2","1") = "4"
    & skf18("5","4","3","3","1","3","1") = "4"
    & skf18("5","4","3","3","1","4","1") = "4"
    & skf18("5","4","3","3","1","5","1") = "4"
    & skf18("5","4","3","3","1","6","1") = "5"
    & skf18("5","4","3","3","1","7","1") = "6"
    & skf18("5","4","3","3","1","8","1") = "7"
    & skf18("5","4","3","3","1","9","1") = "8"
    & skf18("5","4","3","3","1","10","1") = "9"
    & skf18("5","4","3","3","2","1","1") = "4"
    & skf18("5","4","3","3","2","2","1") = "4"
    & skf18("5","4","3","3","2","3","1") = "4"
    & skf18("5","4","3","3","2","4","1") = "4"
    & skf18("5","4","3","3","2","5","1") = "4"
    & skf18("5","4","3","3","2","6","1") = "5"
    & skf18("5","4","3","3","2","7","1") = "6"
    & skf18("5","4","3","3","2","8","1") = "7"
    & skf18("5","4","3","3","2","9","1") = "8"
    & skf18("5","4","3","3","2","10","1") = "9"
    & skf18("5","4","3","3","3","1","1") = "4"
    & skf18("5","4","3","3","3","2","1") = "4"
    & skf18("5","4","3","3","3","3","1") = "4"
    & skf18("5","4","3","3","3","4","1") = "4"
    & skf18("5","4","3","3","3","5","1") = "4"
    & skf18("5","4","3","3","3","6","1") = "5"
    & skf18("5","4","3","3","3","7","1") = "6"
    & skf18("5","4","3","3","3","8","1") = "7"
    & skf18("5","4","3","3","3","9","1") = "8"
    & skf18("5","4","3","3","3","10","1") = "9"
    & skf18("5","4","3","3","4","1","1") = "4"
    & skf18("5","4","3","3","4","2","1") = "4"
    & skf18("5","4","3","3","4","3","1") = "4"
    & skf18("5","4","3","3","4","4","1") = "4"
    & skf18("5","4","3","3","4","5","1") = "4"
    & skf18("5","4","3","3","4","6","1") = "5"
    & skf18("5","4","3","3","4","7","1") = "6"
    & skf18("5","4","3","3","4","8","1") = "7"
    & skf18("5","4","3","3","4","9","1") = "8"
    & skf18("5","4","3","3","4","10","1") = "9"
    & skf18("5","4","3","3","5","1","1") = "4"
    & skf18("5","4","3","3","5","2","1") = "4"
    & skf18("5","4","3","3","5","3","1") = "4"
    & skf18("5","4","3","3","5","4","1") = "4"
    & skf18("5","4","3","3","5","5","1") = "4"
    & skf18("5","4","3","3","5","6","1") = "5"
    & skf18("5","4","3","3","5","7","1") = "6"
    & skf18("5","4","3","3","5","8","1") = "7"
    & skf18("5","4","3","3","5","9","1") = "8"
    & skf18("5","4","3","3","5","10","1") = "9"
    & skf18("5","4","3","3","6","1","1") = "5"
    & skf18("5","4","3","3","6","2","1") = "5"
    & skf18("5","4","3","3","6","3","1") = "5"
    & skf18("5","4","3","3","6","4","1") = "5"
    & skf18("5","4","3","3","6","5","1") = "5"
    & skf18("5","4","3","3","6","6","1") = "5"
    & skf18("5","4","3","3","6","7","1") = "6"
    & skf18("5","4","3","3","6","8","1") = "7"
    & skf18("5","4","3","3","6","9","1") = "8"
    & skf18("5","4","3","3","6","10","1") = "9"
    & skf18("5","4","3","3","7","1","1") = "6"
    & skf18("5","4","3","3","7","2","1") = "6"
    & skf18("5","4","3","3","7","3","1") = "6"
    & skf18("5","4","3","3","7","4","1") = "6"
    & skf18("5","4","3","3","7","5","1") = "6"
    & skf18("5","4","3","3","7","6","1") = "6"
    & skf18("5","4","3","3","7","7","1") = "6"
    & skf18("5","4","3","3","7","8","1") = "7"
    & skf18("5","4","3","3","7","9","1") = "8"
    & skf18("5","4","3","3","7","10","1") = "9"
    & skf18("5","4","3","3","8","1","1") = "7"
    & skf18("5","4","3","3","8","2","1") = "7"
    & skf18("5","4","3","3","8","3","1") = "7"
    & skf18("5","4","3","3","8","4","1") = "7"
    & skf18("5","4","3","3","8","5","1") = "7"
    & skf18("5","4","3","3","8","6","1") = "7"
    & skf18("5","4","3","3","8","7","1") = "7"
    & skf18("5","4","3","3","8","8","1") = "7"
    & skf18("5","4","3","3","8","9","1") = "8"
    & skf18("5","4","3","3","8","10","1") = "9"
    & skf18("5","4","3","3","9","1","1") = "8"
    & skf18("5","4","3","3","9","2","1") = "8"
    & skf18("5","4","3","3","9","3","1") = "8"
    & skf18("5","4","3","3","9","4","1") = "8"
    & skf18("5","4","3","3","9","5","1") = "8"
    & skf18("5","4","3","3","9","6","1") = "8"
    & skf18("5","4","3","3","9","7","1") = "8"
    & skf18("5","4","3","3","9","8","1") = "8"
    & skf18("5","4","3","3","9","9","1") = "8"
    & skf18("5","4","3","3","9","10","1") = "9"
    & skf18("5","4","3","3","10","1","1") = "9"
    & skf18("5","4","3","3","10","2","1") = "9"
    & skf18("5","4","3","3","10","3","1") = "9"
    & skf18("5","4","3","3","10","4","1") = "9"
    & skf18("5","4","3","3","10","5","1") = "9"
    & skf18("5","4","3","3","10","6","1") = "9"
    & skf18("5","4","3","3","10","7","1") = "9"
    & skf18("5","4","3","3","10","8","1") = "9"
    & skf18("5","4","3","3","10","9","1") = "9"
    & skf18("5","4","3","3","10","10","1") = "9"
    & skf18("5","4","3","4","1","1","1") = "4"
    & skf18("5","4","3","4","1","2","1") = "4"
    & skf18("5","4","3","4","1","3","1") = "4"
    & skf18("5","4","3","4","1","4","1") = "4"
    & skf18("5","4","3","4","1","5","1") = "4"
    & skf18("5","4","3","4","1","6","1") = "5"
    & skf18("5","4","3","4","1","7","1") = "6"
    & skf18("5","4","3","4","1","8","1") = "7"
    & skf18("5","4","3","4","1","9","1") = "8"
    & skf18("5","4","3","4","1","10","1") = "9"
    & skf18("5","4","3","4","2","1","1") = "4"
    & skf18("5","4","3","4","2","2","1") = "4"
    & skf18("5","4","3","4","2","3","1") = "4"
    & skf18("5","4","3","4","2","4","1") = "4"
    & skf18("5","4","3","4","2","5","1") = "4"
    & skf18("5","4","3","4","2","6","1") = "5"
    & skf18("5","4","3","4","2","7","1") = "6"
    & skf18("5","4","3","4","2","8","1") = "7"
    & skf18("5","4","3","4","2","9","1") = "8"
    & skf18("5","4","3","4","2","10","1") = "9"
    & skf18("5","4","3","4","3","1","1") = "4"
    & skf18("5","4","3","4","3","2","1") = "4"
    & skf18("5","4","3","4","3","3","1") = "4"
    & skf18("5","4","3","4","3","4","1") = "4"
    & skf18("5","4","3","4","3","5","1") = "4"
    & skf18("5","4","3","4","3","6","1") = "5"
    & skf18("5","4","3","4","3","7","1") = "6"
    & skf18("5","4","3","4","3","8","1") = "7"
    & skf18("5","4","3","4","3","9","1") = "8"
    & skf18("5","4","3","4","3","10","1") = "9"
    & skf18("5","4","3","4","4","1","1") = "4"
    & skf18("5","4","3","4","4","2","1") = "4"
    & skf18("5","4","3","4","4","3","1") = "4"
    & skf18("5","4","3","4","4","4","1") = "4"
    & skf18("5","4","3","4","4","5","1") = "4"
    & skf18("5","4","3","4","4","6","1") = "5"
    & skf18("5","4","3","4","4","7","1") = "6"
    & skf18("5","4","3","4","4","8","1") = "7"
    & skf18("5","4","3","4","4","9","1") = "8"
    & skf18("5","4","3","4","4","10","1") = "9"
    & skf18("5","4","3","4","5","1","1") = "4"
    & skf18("5","4","3","4","5","2","1") = "4"
    & skf18("5","4","3","4","5","3","1") = "4"
    & skf18("5","4","3","4","5","4","1") = "4"
    & skf18("5","4","3","4","5","5","1") = "4"
    & skf18("5","4","3","4","5","6","1") = "5"
    & skf18("5","4","3","4","5","7","1") = "6"
    & skf18("5","4","3","4","5","8","1") = "7"
    & skf18("5","4","3","4","5","9","1") = "8"
    & skf18("5","4","3","4","5","10","1") = "9"
    & skf18("5","4","3","4","6","1","1") = "5"
    & skf18("5","4","3","4","6","2","1") = "5"
    & skf18("5","4","3","4","6","3","1") = "5"
    & skf18("5","4","3","4","6","4","1") = "5"
    & skf18("5","4","3","4","6","5","1") = "5"
    & skf18("5","4","3","4","6","6","1") = "5"
    & skf18("5","4","3","4","6","7","1") = "6"
    & skf18("5","4","3","4","6","8","1") = "7"
    & skf18("5","4","3","4","6","9","1") = "8"
    & skf18("5","4","3","4","6","10","1") = "9"
    & skf18("5","4","3","4","7","1","1") = "6"
    & skf18("5","4","3","4","7","2","1") = "6"
    & skf18("5","4","3","4","7","3","1") = "6"
    & skf18("5","4","3","4","7","4","1") = "6"
    & skf18("5","4","3","4","7","5","1") = "6"
    & skf18("5","4","3","4","7","6","1") = "6"
    & skf18("5","4","3","4","7","7","1") = "6"
    & skf18("5","4","3","4","7","8","1") = "7"
    & skf18("5","4","3","4","7","9","1") = "8"
    & skf18("5","4","3","4","7","10","1") = "9"
    & skf18("5","4","3","4","8","1","1") = "7"
    & skf18("5","4","3","4","8","2","1") = "7"
    & skf18("5","4","3","4","8","3","1") = "7"
    & skf18("5","4","3","4","8","4","1") = "7"
    & skf18("5","4","3","4","8","5","1") = "7"
    & skf18("5","4","3","4","8","6","1") = "7"
    & skf18("5","4","3","4","8","7","1") = "7"
    & skf18("5","4","3","4","8","8","1") = "7"
    & skf18("5","4","3","4","8","9","1") = "8"
    & skf18("5","4","3","4","8","10","1") = "9"
    & skf18("5","4","3","4","9","1","1") = "8"
    & skf18("5","4","3","4","9","2","1") = "8"
    & skf18("5","4","3","4","9","3","1") = "8"
    & skf18("5","4","3","4","9","4","1") = "8"
    & skf18("5","4","3","4","9","5","1") = "8"
    & skf18("5","4","3","4","9","6","1") = "8"
    & skf18("5","4","3","4","9","7","1") = "8"
    & skf18("5","4","3","4","9","8","1") = "8"
    & skf18("5","4","3","4","9","9","1") = "8"
    & skf18("5","4","3","4","9","10","1") = "9"
    & skf18("5","4","3","4","10","1","1") = "9"
    & skf18("5","4","3","4","10","2","1") = "9"
    & skf18("5","4","3","4","10","3","1") = "9"
    & skf18("5","4","3","4","10","4","1") = "9"
    & skf18("5","4","3","4","10","5","1") = "9"
    & skf18("5","4","3","4","10","6","1") = "9"
    & skf18("5","4","3","4","10","7","1") = "9"
    & skf18("5","4","3","4","10","8","1") = "9"
    & skf18("5","4","3","4","10","9","1") = "9"
    & skf18("5","4","3","4","10","10","1") = "9"
    & skf18("5","4","3","5","1","1","1") = "4"
    & skf18("5","4","3","5","1","2","1") = "4"
    & skf18("5","4","3","5","1","3","1") = "4"
    & skf18("5","4","3","5","1","4","1") = "4"
    & skf18("5","4","3","5","1","5","1") = "4"
    & skf18("5","4","3","5","1","6","1") = "5"
    & skf18("5","4","3","5","1","7","1") = "6"
    & skf18("5","4","3","5","1","8","1") = "7"
    & skf18("5","4","3","5","1","9","1") = "8"
    & skf18("5","4","3","5","1","10","1") = "9"
    & skf18("5","4","3","5","2","1","1") = "4"
    & skf18("5","4","3","5","2","2","1") = "4"
    & skf18("5","4","3","5","2","3","1") = "4"
    & skf18("5","4","3","5","2","4","1") = "4"
    & skf18("5","4","3","5","2","5","1") = "4"
    & skf18("5","4","3","5","2","6","1") = "5"
    & skf18("5","4","3","5","2","7","1") = "6"
    & skf18("5","4","3","5","2","8","1") = "7"
    & skf18("5","4","3","5","2","9","1") = "8"
    & skf18("5","4","3","5","2","10","1") = "9"
    & skf18("5","4","3","5","3","1","1") = "4"
    & skf18("5","4","3","5","3","2","1") = "4"
    & skf18("5","4","3","5","3","3","1") = "4"
    & skf18("5","4","3","5","3","4","1") = "4"
    & skf18("5","4","3","5","3","5","1") = "4"
    & skf18("5","4","3","5","3","6","1") = "5"
    & skf18("5","4","3","5","3","7","1") = "6"
    & skf18("5","4","3","5","3","8","1") = "7"
    & skf18("5","4","3","5","3","9","1") = "8"
    & skf18("5","4","3","5","3","10","1") = "9"
    & skf18("5","4","3","5","4","1","1") = "4"
    & skf18("5","4","3","5","4","2","1") = "4"
    & skf18("5","4","3","5","4","3","1") = "4"
    & skf18("5","4","3","5","4","4","1") = "4"
    & skf18("5","4","3","5","4","5","1") = "4"
    & skf18("5","4","3","5","4","6","1") = "5"
    & skf18("5","4","3","5","4","7","1") = "6"
    & skf18("5","4","3","5","4","8","1") = "7"
    & skf18("5","4","3","5","4","9","1") = "8"
    & skf18("5","4","3","5","4","10","1") = "9"
    & skf18("5","4","3","5","5","1","1") = "4"
    & skf18("5","4","3","5","5","2","1") = "4"
    & skf18("5","4","3","5","5","3","1") = "4"
    & skf18("5","4","3","5","5","4","1") = "4"
    & skf18("5","4","3","5","5","5","1") = "4"
    & skf18("5","4","3","5","5","6","1") = "5"
    & skf18("5","4","3","5","5","7","1") = "6"
    & skf18("5","4","3","5","5","8","1") = "7"
    & skf18("5","4","3","5","5","9","1") = "8"
    & skf18("5","4","3","5","5","10","1") = "9"
    & skf18("5","4","3","5","6","1","1") = "5"
    & skf18("5","4","3","5","6","2","1") = "5"
    & skf18("5","4","3","5","6","3","1") = "5"
    & skf18("5","4","3","5","6","4","1") = "5"
    & skf18("5","4","3","5","6","5","1") = "5"
    & skf18("5","4","3","5","6","6","1") = "5"
    & skf18("5","4","3","5","6","7","1") = "6"
    & skf18("5","4","3","5","6","8","1") = "7"
    & skf18("5","4","3","5","6","9","1") = "8"
    & skf18("5","4","3","5","6","10","1") = "9"
    & skf18("5","4","3","5","7","1","1") = "6"
    & skf18("5","4","3","5","7","2","1") = "6"
    & skf18("5","4","3","5","7","3","1") = "6"
    & skf18("5","4","3","5","7","4","1") = "6"
    & skf18("5","4","3","5","7","5","1") = "6"
    & skf18("5","4","3","5","7","6","1") = "6"
    & skf18("5","4","3","5","7","7","1") = "6"
    & skf18("5","4","3","5","7","8","1") = "7"
    & skf18("5","4","3","5","7","9","1") = "8"
    & skf18("5","4","3","5","7","10","1") = "9"
    & skf18("5","4","3","5","8","1","1") = "7"
    & skf18("5","4","3","5","8","2","1") = "7"
    & skf18("5","4","3","5","8","3","1") = "7"
    & skf18("5","4","3","5","8","4","1") = "7"
    & skf18("5","4","3","5","8","5","1") = "7"
    & skf18("5","4","3","5","8","6","1") = "7"
    & skf18("5","4","3","5","8","7","1") = "7"
    & skf18("5","4","3","5","8","8","1") = "7"
    & skf18("5","4","3","5","8","9","1") = "8"
    & skf18("5","4","3","5","8","10","1") = "9"
    & skf18("5","4","3","5","9","1","1") = "8"
    & skf18("5","4","3","5","9","2","1") = "8"
    & skf18("5","4","3","5","9","3","1") = "8"
    & skf18("5","4","3","5","9","4","1") = "8"
    & skf18("5","4","3","5","9","5","1") = "8"
    & skf18("5","4","3","5","9","6","1") = "8"
    & skf18("5","4","3","5","9","7","1") = "8"
    & skf18("5","4","3","5","9","8","1") = "8"
    & skf18("5","4","3","5","9","9","1") = "8"
    & skf18("5","4","3","5","9","10","1") = "9"
    & skf18("5","4","3","5","10","1","1") = "9"
    & skf18("5","4","3","5","10","2","1") = "9"
    & skf18("5","4","3","5","10","3","1") = "9"
    & skf18("5","4","3","5","10","4","1") = "9"
    & skf18("5","4","3","5","10","5","1") = "9"
    & skf18("5","4","3","5","10","6","1") = "9"
    & skf18("5","4","3","5","10","7","1") = "9"
    & skf18("5","4","3","5","10","8","1") = "9"
    & skf18("5","4","3","5","10","9","1") = "9"
    & skf18("5","4","3","5","10","10","1") = "9"
    & skf18("5","4","3","6","1","1","1") = "5"
    & skf18("5","4","3","6","1","2","1") = "5"
    & skf18("5","4","3","6","1","3","1") = "5"
    & skf18("5","4","3","6","1","4","1") = "5"
    & skf18("5","4","3","6","1","5","1") = "5"
    & skf18("5","4","3","6","1","6","1") = "5"
    & skf18("5","4","3","6","1","7","1") = "6"
    & skf18("5","4","3","6","1","8","1") = "7"
    & skf18("5","4","3","6","1","9","1") = "8"
    & skf18("5","4","3","6","1","10","1") = "9"
    & skf18("5","4","3","6","2","1","1") = "5"
    & skf18("5","4","3","6","2","2","1") = "5"
    & skf18("5","4","3","6","2","3","1") = "5"
    & skf18("5","4","3","6","2","4","1") = "5"
    & skf18("5","4","3","6","2","5","1") = "5"
    & skf18("5","4","3","6","2","6","1") = "5"
    & skf18("5","4","3","6","2","7","1") = "6"
    & skf18("5","4","3","6","2","8","1") = "7"
    & skf18("5","4","3","6","2","9","1") = "8"
    & skf18("5","4","3","6","2","10","1") = "9"
    & skf18("5","4","3","6","3","1","1") = "5"
    & skf18("5","4","3","6","3","2","1") = "5"
    & skf18("5","4","3","6","3","3","1") = "5"
    & skf18("5","4","3","6","3","4","1") = "5"
    & skf18("5","4","3","6","3","5","1") = "5"
    & skf18("5","4","3","6","3","6","1") = "5"
    & skf18("5","4","3","6","3","7","1") = "6"
    & skf18("5","4","3","6","3","8","1") = "7"
    & skf18("5","4","3","6","3","9","1") = "8"
    & skf18("5","4","3","6","3","10","1") = "9"
    & skf18("5","4","3","6","4","1","1") = "5"
    & skf18("5","4","3","6","4","2","1") = "5"
    & skf18("5","4","3","6","4","3","1") = "5"
    & skf18("5","4","3","6","4","4","1") = "5"
    & skf18("5","4","3","6","4","5","1") = "5"
    & skf18("5","4","3","6","4","6","1") = "5"
    & skf18("5","4","3","6","4","7","1") = "6"
    & skf18("5","4","3","6","4","8","1") = "7"
    & skf18("5","4","3","6","4","9","1") = "8"
    & skf18("5","4","3","6","4","10","1") = "9"
    & skf18("5","4","3","6","5","1","1") = "5"
    & skf18("5","4","3","6","5","2","1") = "5"
    & skf18("5","4","3","6","5","3","1") = "5"
    & skf18("5","4","3","6","5","4","1") = "5"
    & skf18("5","4","3","6","5","5","1") = "5"
    & skf18("5","4","3","6","5","6","1") = "5"
    & skf18("5","4","3","6","5","7","1") = "6"
    & skf18("5","4","3","6","5","8","1") = "7"
    & skf18("5","4","3","6","5","9","1") = "8"
    & skf18("5","4","3","6","5","10","1") = "9"
    & skf18("5","4","3","6","6","1","1") = "5"
    & skf18("5","4","3","6","6","2","1") = "5"
    & skf18("5","4","3","6","6","3","1") = "5"
    & skf18("5","4","3","6","6","4","1") = "5"
    & skf18("5","4","3","6","6","5","1") = "5"
    & skf18("5","4","3","6","6","6","1") = "5"
    & skf18("5","4","3","6","6","7","1") = "6"
    & skf18("5","4","3","6","6","8","1") = "7"
    & skf18("5","4","3","6","6","9","1") = "8"
    & skf18("5","4","3","6","6","10","1") = "9"
    & skf18("5","4","3","6","7","1","1") = "6"
    & skf18("5","4","3","6","7","2","1") = "6"
    & skf18("5","4","3","6","7","3","1") = "6"
    & skf18("5","4","3","6","7","4","1") = "6"
    & skf18("5","4","3","6","7","5","1") = "6"
    & skf18("5","4","3","6","7","6","1") = "6"
    & skf18("5","4","3","6","7","7","1") = "6"
    & skf18("5","4","3","6","7","8","1") = "7"
    & skf18("5","4","3","6","7","9","1") = "8"
    & skf18("5","4","3","6","7","10","1") = "9"
    & skf18("5","4","3","6","8","1","1") = "7"
    & skf18("5","4","3","6","8","2","1") = "7"
    & skf18("5","4","3","6","8","3","1") = "7"
    & skf18("5","4","3","6","8","4","1") = "7"
    & skf18("5","4","3","6","8","5","1") = "7"
    & skf18("5","4","3","6","8","6","1") = "7"
    & skf18("5","4","3","6","8","7","1") = "7"
    & skf18("5","4","3","6","8","8","1") = "7"
    & skf18("5","4","3","6","8","9","1") = "8"
    & skf18("5","4","3","6","8","10","1") = "9"
    & skf18("5","4","3","6","9","1","1") = "8"
    & skf18("5","4","3","6","9","2","1") = "8"
    & skf18("5","4","3","6","9","3","1") = "8"
    & skf18("5","4","3","6","9","4","1") = "8"
    & skf18("5","4","3","6","9","5","1") = "8"
    & skf18("5","4","3","6","9","6","1") = "8"
    & skf18("5","4","3","6","9","7","1") = "8"
    & skf18("5","4","3","6","9","8","1") = "8"
    & skf18("5","4","3","6","9","9","1") = "8"
    & skf18("5","4","3","6","9","10","1") = "9"
    & skf18("5","4","3","6","10","1","1") = "9"
    & skf18("5","4","3","6","10","2","1") = "9"
    & skf18("5","4","3","6","10","3","1") = "9"
    & skf18("5","4","3","6","10","4","1") = "9"
    & skf18("5","4","3","6","10","5","1") = "9"
    & skf18("5","4","3","6","10","6","1") = "9"
    & skf18("5","4","3","6","10","7","1") = "9"
    & skf18("5","4","3","6","10","8","1") = "9"
    & skf18("5","4","3","6","10","9","1") = "9"
    & skf18("5","4","3","6","10","10","1") = "9"
    & skf18("5","4","3","7","1","1","1") = "6"
    & skf18("5","4","3","7","1","2","1") = "6"
    & skf18("5","4","3","7","1","3","1") = "6"
    & skf18("5","4","3","7","1","4","1") = "6"
    & skf18("5","4","3","7","1","5","1") = "6"
    & skf18("5","4","3","7","1","6","1") = "6"
    & skf18("5","4","3","7","1","7","1") = "6"
    & skf18("5","4","3","7","1","8","1") = "7"
    & skf18("5","4","3","7","1","9","1") = "8"
    & skf18("5","4","3","7","1","10","1") = "9"
    & skf18("5","4","3","7","2","1","1") = "6"
    & skf18("5","4","3","7","2","2","1") = "6"
    & skf18("5","4","3","7","2","3","1") = "6"
    & skf18("5","4","3","7","2","4","1") = "6"
    & skf18("5","4","3","7","2","5","1") = "6"
    & skf18("5","4","3","7","2","6","1") = "6"
    & skf18("5","4","3","7","2","7","1") = "6"
    & skf18("5","4","3","7","2","8","1") = "7"
    & skf18("5","4","3","7","2","9","1") = "8"
    & skf18("5","4","3","7","2","10","1") = "9"
    & skf18("5","4","3","7","3","1","1") = "6"
    & skf18("5","4","3","7","3","2","1") = "6"
    & skf18("5","4","3","7","3","3","1") = "6"
    & skf18("5","4","3","7","3","4","1") = "6"
    & skf18("5","4","3","7","3","5","1") = "6"
    & skf18("5","4","3","7","3","6","1") = "6"
    & skf18("5","4","3","7","3","7","1") = "6"
    & skf18("5","4","3","7","3","8","1") = "7"
    & skf18("5","4","3","7","3","9","1") = "8"
    & skf18("5","4","3","7","3","10","1") = "9"
    & skf18("5","4","3","7","4","1","1") = "6"
    & skf18("5","4","3","7","4","2","1") = "6"
    & skf18("5","4","3","7","4","3","1") = "6"
    & skf18("5","4","3","7","4","4","1") = "6"
    & skf18("5","4","3","7","4","5","1") = "6"
    & skf18("5","4","3","7","4","6","1") = "6"
    & skf18("5","4","3","7","4","7","1") = "6"
    & skf18("5","4","3","7","4","8","1") = "7"
    & skf18("5","4","3","7","4","9","1") = "8"
    & skf18("5","4","3","7","4","10","1") = "9"
    & skf18("5","4","3","7","5","1","1") = "6"
    & skf18("5","4","3","7","5","2","1") = "6"
    & skf18("5","4","3","7","5","3","1") = "6"
    & skf18("5","4","3","7","5","4","1") = "6"
    & skf18("5","4","3","7","5","5","1") = "6"
    & skf18("5","4","3","7","5","6","1") = "6"
    & skf18("5","4","3","7","5","7","1") = "6"
    & skf18("5","4","3","7","5","8","1") = "7"
    & skf18("5","4","3","7","5","9","1") = "8"
    & skf18("5","4","3","7","5","10","1") = "9"
    & skf18("5","4","3","7","6","1","1") = "6"
    & skf18("5","4","3","7","6","2","1") = "6"
    & skf18("5","4","3","7","6","3","1") = "6"
    & skf18("5","4","3","7","6","4","1") = "6"
    & skf18("5","4","3","7","6","5","1") = "6"
    & skf18("5","4","3","7","6","6","1") = "6"
    & skf18("5","4","3","7","6","7","1") = "6"
    & skf18("5","4","3","7","6","8","1") = "7"
    & skf18("5","4","3","7","6","9","1") = "8"
    & skf18("5","4","3","7","6","10","1") = "9"
    & skf18("5","4","3","7","7","1","1") = "6"
    & skf18("5","4","3","7","7","2","1") = "6"
    & skf18("5","4","3","7","7","3","1") = "6"
    & skf18("5","4","3","7","7","4","1") = "6"
    & skf18("5","4","3","7","7","5","1") = "6"
    & skf18("5","4","3","7","7","6","1") = "6"
    & skf18("5","4","3","7","7","7","1") = "6"
    & skf18("5","4","3","7","7","8","1") = "7"
    & skf18("5","4","3","7","7","9","1") = "8"
    & skf18("5","4","3","7","7","10","1") = "9"
    & skf18("5","4","3","7","8","1","1") = "7"
    & skf18("5","4","3","7","8","2","1") = "7"
    & skf18("5","4","3","7","8","3","1") = "7"
    & skf18("5","4","3","7","8","4","1") = "7"
    & skf18("5","4","3","7","8","5","1") = "7"
    & skf18("5","4","3","7","8","6","1") = "7"
    & skf18("5","4","3","7","8","7","1") = "7"
    & skf18("5","4","3","7","8","8","1") = "7"
    & skf18("5","4","3","7","8","9","1") = "8"
    & skf18("5","4","3","7","8","10","1") = "9"
    & skf18("5","4","3","7","9","1","1") = "8"
    & skf18("5","4","3","7","9","2","1") = "8"
    & skf18("5","4","3","7","9","3","1") = "8"
    & skf18("5","4","3","7","9","4","1") = "8"
    & skf18("5","4","3","7","9","5","1") = "8"
    & skf18("5","4","3","7","9","6","1") = "8"
    & skf18("5","4","3","7","9","7","1") = "8"
    & skf18("5","4","3","7","9","8","1") = "8"
    & skf18("5","4","3","7","9","9","1") = "8"
    & skf18("5","4","3","7","9","10","1") = "9"
    & skf18("5","4","3","7","10","1","1") = "9"
    & skf18("5","4","3","7","10","2","1") = "9"
    & skf18("5","4","3","7","10","3","1") = "9"
    & skf18("5","4","3","7","10","4","1") = "9"
    & skf18("5","4","3","7","10","5","1") = "9"
    & skf18("5","4","3","7","10","6","1") = "9"
    & skf18("5","4","3","7","10","7","1") = "9"
    & skf18("5","4","3","7","10","8","1") = "9"
    & skf18("5","4","3","7","10","9","1") = "9"
    & skf18("5","4","3","7","10","10","1") = "9"
    & skf18("5","4","3","8","1","1","1") = "7"
    & skf18("5","4","3","8","1","2","1") = "7"
    & skf18("5","4","3","8","1","3","1") = "7"
    & skf18("5","4","3","8","1","4","1") = "7"
    & skf18("5","4","3","8","1","5","1") = "7"
    & skf18("5","4","3","8","1","6","1") = "7"
    & skf18("5","4","3","8","1","7","1") = "7"
    & skf18("5","4","3","8","1","8","1") = "7"
    & skf18("5","4","3","8","1","9","1") = "8"
    & skf18("5","4","3","8","1","10","1") = "9"
    & skf18("5","4","3","8","2","1","1") = "7"
    & skf18("5","4","3","8","2","2","1") = "7"
    & skf18("5","4","3","8","2","3","1") = "7"
    & skf18("5","4","3","8","2","4","1") = "7"
    & skf18("5","4","3","8","2","5","1") = "7"
    & skf18("5","4","3","8","2","6","1") = "7"
    & skf18("5","4","3","8","2","7","1") = "7"
    & skf18("5","4","3","8","2","8","1") = "7"
    & skf18("5","4","3","8","2","9","1") = "8"
    & skf18("5","4","3","8","2","10","1") = "9"
    & skf18("5","4","3","8","3","1","1") = "7"
    & skf18("5","4","3","8","3","2","1") = "7"
    & skf18("5","4","3","8","3","3","1") = "7"
    & skf18("5","4","3","8","3","4","1") = "7"
    & skf18("5","4","3","8","3","5","1") = "7"
    & skf18("5","4","3","8","3","6","1") = "7"
    & skf18("5","4","3","8","3","7","1") = "7"
    & skf18("5","4","3","8","3","8","1") = "7"
    & skf18("5","4","3","8","3","9","1") = "8"
    & skf18("5","4","3","8","3","10","1") = "9"
    & skf18("5","4","3","8","4","1","1") = "7"
    & skf18("5","4","3","8","4","2","1") = "7"
    & skf18("5","4","3","8","4","3","1") = "7"
    & skf18("5","4","3","8","4","4","1") = "7"
    & skf18("5","4","3","8","4","5","1") = "7"
    & skf18("5","4","3","8","4","6","1") = "7"
    & skf18("5","4","3","8","4","7","1") = "7"
    & skf18("5","4","3","8","4","8","1") = "7"
    & skf18("5","4","3","8","4","9","1") = "8"
    & skf18("5","4","3","8","4","10","1") = "9"
    & skf18("5","4","3","8","5","1","1") = "7"
    & skf18("5","4","3","8","5","2","1") = "7"
    & skf18("5","4","3","8","5","3","1") = "7"
    & skf18("5","4","3","8","5","4","1") = "7"
    & skf18("5","4","3","8","5","5","1") = "7"
    & skf18("5","4","3","8","5","6","1") = "7"
    & skf18("5","4","3","8","5","7","1") = "7"
    & skf18("5","4","3","8","5","8","1") = "7"
    & skf18("5","4","3","8","5","9","1") = "8"
    & skf18("5","4","3","8","5","10","1") = "9"
    & skf18("5","4","3","8","6","1","1") = "7"
    & skf18("5","4","3","8","6","2","1") = "7"
    & skf18("5","4","3","8","6","3","1") = "7"
    & skf18("5","4","3","8","6","4","1") = "7"
    & skf18("5","4","3","8","6","5","1") = "7"
    & skf18("5","4","3","8","6","6","1") = "7"
    & skf18("5","4","3","8","6","7","1") = "7"
    & skf18("5","4","3","8","6","8","1") = "7"
    & skf18("5","4","3","8","6","9","1") = "8"
    & skf18("5","4","3","8","6","10","1") = "9"
    & skf18("5","4","3","8","7","1","1") = "7"
    & skf18("5","4","3","8","7","2","1") = "7"
    & skf18("5","4","3","8","7","3","1") = "7"
    & skf18("5","4","3","8","7","4","1") = "7"
    & skf18("5","4","3","8","7","5","1") = "7"
    & skf18("5","4","3","8","7","6","1") = "7"
    & skf18("5","4","3","8","7","7","1") = "7"
    & skf18("5","4","3","8","7","8","1") = "7"
    & skf18("5","4","3","8","7","9","1") = "8"
    & skf18("5","4","3","8","7","10","1") = "9"
    & skf18("5","4","3","8","8","1","1") = "7"
    & skf18("5","4","3","8","8","2","1") = "7"
    & skf18("5","4","3","8","8","3","1") = "7"
    & skf18("5","4","3","8","8","4","1") = "7"
    & skf18("5","4","3","8","8","5","1") = "7"
    & skf18("5","4","3","8","8","6","1") = "7"
    & skf18("5","4","3","8","8","7","1") = "7"
    & skf18("5","4","3","8","8","8","1") = "7"
    & skf18("5","4","3","8","8","9","1") = "8"
    & skf18("5","4","3","8","8","10","1") = "9"
    & skf18("5","4","3","8","9","1","1") = "8"
    & skf18("5","4","3","8","9","2","1") = "8"
    & skf18("5","4","3","8","9","3","1") = "8"
    & skf18("5","4","3","8","9","4","1") = "8"
    & skf18("5","4","3","8","9","5","1") = "8"
    & skf18("5","4","3","8","9","6","1") = "8"
    & skf18("5","4","3","8","9","7","1") = "8"
    & skf18("5","4","3","8","9","8","1") = "8"
    & skf18("5","4","3","8","9","9","1") = "8"
    & skf18("5","4","3","8","9","10","1") = "9"
    & skf18("5","4","3","8","10","1","1") = "9"
    & skf18("5","4","3","8","10","2","1") = "9"
    & skf18("5","4","3","8","10","3","1") = "9"
    & skf18("5","4","3","8","10","4","1") = "9"
    & skf18("5","4","3","8","10","5","1") = "9"
    & skf18("5","4","3","8","10","6","1") = "9"
    & skf18("5","4","3","8","10","7","1") = "9"
    & skf18("5","4","3","8","10","8","1") = "9"
    & skf18("5","4","3","8","10","9","1") = "9"
    & skf18("5","4","3","8","10","10","1") = "9"
    & skf18("5","4","3","9","1","1","1") = "8"
    & skf18("5","4","3","9","1","2","1") = "8"
    & skf18("5","4","3","9","1","3","1") = "8"
    & skf18("5","4","3","9","1","4","1") = "8"
    & skf18("5","4","3","9","1","5","1") = "8"
    & skf18("5","4","3","9","1","6","1") = "8"
    & skf18("5","4","3","9","1","7","1") = "8"
    & skf18("5","4","3","9","1","8","1") = "8"
    & skf18("5","4","3","9","1","9","1") = "8"
    & skf18("5","4","3","9","1","10","1") = "9"
    & skf18("5","4","3","9","2","1","1") = "8"
    & skf18("5","4","3","9","2","2","1") = "8"
    & skf18("5","4","3","9","2","3","1") = "8"
    & skf18("5","4","3","9","2","4","1") = "8"
    & skf18("5","4","3","9","2","5","1") = "8"
    & skf18("5","4","3","9","2","6","1") = "8"
    & skf18("5","4","3","9","2","7","1") = "8"
    & skf18("5","4","3","9","2","8","1") = "8"
    & skf18("5","4","3","9","2","9","1") = "8"
    & skf18("5","4","3","9","2","10","1") = "9"
    & skf18("5","4","3","9","3","1","1") = "8"
    & skf18("5","4","3","9","3","2","1") = "8"
    & skf18("5","4","3","9","3","3","1") = "8"
    & skf18("5","4","3","9","3","4","1") = "8"
    & skf18("5","4","3","9","3","5","1") = "8"
    & skf18("5","4","3","9","3","6","1") = "8"
    & skf18("5","4","3","9","3","7","1") = "8"
    & skf18("5","4","3","9","3","8","1") = "8"
    & skf18("5","4","3","9","3","9","1") = "8"
    & skf18("5","4","3","9","3","10","1") = "9"
    & skf18("5","4","3","9","4","1","1") = "8"
    & skf18("5","4","3","9","4","2","1") = "8"
    & skf18("5","4","3","9","4","3","1") = "8"
    & skf18("5","4","3","9","4","4","1") = "8"
    & skf18("5","4","3","9","4","5","1") = "8"
    & skf18("5","4","3","9","4","6","1") = "8"
    & skf18("5","4","3","9","4","7","1") = "8"
    & skf18("5","4","3","9","4","8","1") = "8"
    & skf18("5","4","3","9","4","9","1") = "8"
    & skf18("5","4","3","9","4","10","1") = "9"
    & skf18("5","4","3","9","5","1","1") = "8"
    & skf18("5","4","3","9","5","2","1") = "8"
    & skf18("5","4","3","9","5","3","1") = "8"
    & skf18("5","4","3","9","5","4","1") = "8"
    & skf18("5","4","3","9","5","5","1") = "8"
    & skf18("5","4","3","9","5","6","1") = "8"
    & skf18("5","4","3","9","5","7","1") = "8"
    & skf18("5","4","3","9","5","8","1") = "8"
    & skf18("5","4","3","9","5","9","1") = "8"
    & skf18("5","4","3","9","5","10","1") = "9"
    & skf18("5","4","3","9","6","1","1") = "8"
    & skf18("5","4","3","9","6","2","1") = "8"
    & skf18("5","4","3","9","6","3","1") = "8"
    & skf18("5","4","3","9","6","4","1") = "8"
    & skf18("5","4","3","9","6","5","1") = "8"
    & skf18("5","4","3","9","6","6","1") = "8"
    & skf18("5","4","3","9","6","7","1") = "8"
    & skf18("5","4","3","9","6","8","1") = "8"
    & skf18("5","4","3","9","6","9","1") = "8"
    & skf18("5","4","3","9","6","10","1") = "9"
    & skf18("5","4","3","9","7","1","1") = "8"
    & skf18("5","4","3","9","7","2","1") = "8"
    & skf18("5","4","3","9","7","3","1") = "8"
    & skf18("5","4","3","9","7","4","1") = "8"
    & skf18("5","4","3","9","7","5","1") = "8"
    & skf18("5","4","3","9","7","6","1") = "8"
    & skf18("5","4","3","9","7","7","1") = "8"
    & skf18("5","4","3","9","7","8","1") = "8"
    & skf18("5","4","3","9","7","9","1") = "8"
    & skf18("5","4","3","9","7","10","1") = "9"
    & skf18("5","4","3","9","8","1","1") = "8"
    & skf18("5","4","3","9","8","2","1") = "8"
    & skf18("5","4","3","9","8","3","1") = "8"
    & skf18("5","4","3","9","8","4","1") = "8"
    & skf18("5","4","3","9","8","5","1") = "8"
    & skf18("5","4","3","9","8","6","1") = "8"
    & skf18("5","4","3","9","8","7","1") = "8"
    & skf18("5","4","3","9","8","8","1") = "8"
    & skf18("5","4","3","9","8","9","1") = "8"
    & skf18("5","4","3","9","8","10","1") = "9"
    & skf18("5","4","3","9","9","1","1") = "8"
    & skf18("5","4","3","9","9","2","1") = "8"
    & skf18("5","4","3","9","9","3","1") = "8"
    & skf18("5","4","3","9","9","4","1") = "8"
    & skf18("5","4","3","9","9","5","1") = "8"
    & skf18("5","4","3","9","9","6","1") = "8"
    & skf18("5","4","3","9","9","7","1") = "8"
    & skf18("5","4","3","9","9","8","1") = "8"
    & skf18("5","4","3","9","9","9","1") = "8"
    & skf18("5","4","3","9","9","10","1") = "9"
    & skf18("5","4","3","9","10","1","1") = "9"
    & skf18("5","4","3","9","10","2","1") = "9"
    & skf18("5","4","3","9","10","3","1") = "9"
    & skf18("5","4","3","9","10","4","1") = "9"
    & skf18("5","4","3","9","10","5","1") = "9"
    & skf18("5","4","3","9","10","6","1") = "9"
    & skf18("5","4","3","9","10","7","1") = "9"
    & skf18("5","4","3","9","10","8","1") = "9"
    & skf18("5","4","3","9","10","9","1") = "9"
    & skf18("5","4","3","9","10","10","1") = "9"
    & skf18("5","4","3","10","1","1","1") = "9"
    & skf18("5","4","3","10","1","2","1") = "9"
    & skf18("5","4","3","10","1","3","1") = "9"
    & skf18("5","4","3","10","1","4","1") = "9"
    & skf18("5","4","3","10","1","5","1") = "9"
    & skf18("5","4","3","10","1","6","1") = "9"
    & skf18("5","4","3","10","1","7","1") = "9"
    & skf18("5","4","3","10","1","8","1") = "9"
    & skf18("5","4","3","10","1","9","1") = "9"
    & skf18("5","4","3","10","1","10","1") = "9"
    & skf18("5","4","3","10","2","1","1") = "9"
    & skf18("5","4","3","10","2","2","1") = "9"
    & skf18("5","4","3","10","2","3","1") = "9"
    & skf18("5","4","3","10","2","4","1") = "9"
    & skf18("5","4","3","10","2","5","1") = "9"
    & skf18("5","4","3","10","2","6","1") = "9"
    & skf18("5","4","3","10","2","7","1") = "9"
    & skf18("5","4","3","10","2","8","1") = "9"
    & skf18("5","4","3","10","2","9","1") = "9"
    & skf18("5","4","3","10","2","10","1") = "9"
    & skf18("5","4","3","10","3","1","1") = "9"
    & skf18("5","4","3","10","3","2","1") = "9"
    & skf18("5","4","3","10","3","3","1") = "9"
    & skf18("5","4","3","10","3","4","1") = "9"
    & skf18("5","4","3","10","3","5","1") = "9"
    & skf18("5","4","3","10","3","6","1") = "9"
    & skf18("5","4","3","10","3","7","1") = "9"
    & skf18("5","4","3","10","3","8","1") = "9"
    & skf18("5","4","3","10","3","9","1") = "9"
    & skf18("5","4","3","10","3","10","1") = "9"
    & skf18("5","4","3","10","4","1","1") = "9"
    & skf18("5","4","3","10","4","2","1") = "9"
    & skf18("5","4","3","10","4","3","1") = "9"
    & skf18("5","4","3","10","4","4","1") = "9"
    & skf18("5","4","3","10","4","5","1") = "9"
    & skf18("5","4","3","10","4","6","1") = "9"
    & skf18("5","4","3","10","4","7","1") = "9"
    & skf18("5","4","3","10","4","8","1") = "9"
    & skf18("5","4","3","10","4","9","1") = "9"
    & skf18("5","4","3","10","4","10","1") = "9"
    & skf18("5","4","3","10","5","1","1") = "9"
    & skf18("5","4","3","10","5","2","1") = "9"
    & skf18("5","4","3","10","5","3","1") = "9"
    & skf18("5","4","3","10","5","4","1") = "9"
    & skf18("5","4","3","10","5","5","1") = "9"
    & skf18("5","4","3","10","5","6","1") = "9"
    & skf18("5","4","3","10","5","7","1") = "9"
    & skf18("5","4","3","10","5","8","1") = "9"
    & skf18("5","4","3","10","5","9","1") = "9"
    & skf18("5","4","3","10","5","10","1") = "9"
    & skf18("5","4","3","10","6","1","1") = "9"
    & skf18("5","4","3","10","6","2","1") = "9"
    & skf18("5","4","3","10","6","3","1") = "9"
    & skf18("5","4","3","10","6","4","1") = "9"
    & skf18("5","4","3","10","6","5","1") = "9"
    & skf18("5","4","3","10","6","6","1") = "9"
    & skf18("5","4","3","10","6","7","1") = "9"
    & skf18("5","4","3","10","6","8","1") = "9"
    & skf18("5","4","3","10","6","9","1") = "9"
    & skf18("5","4","3","10","6","10","1") = "9"
    & skf18("5","4","3","10","7","1","1") = "9"
    & skf18("5","4","3","10","7","2","1") = "9"
    & skf18("5","4","3","10","7","3","1") = "9"
    & skf18("5","4","3","10","7","4","1") = "9"
    & skf18("5","4","3","10","7","5","1") = "9"
    & skf18("5","4","3","10","7","6","1") = "9"
    & skf18("5","4","3","10","7","7","1") = "9"
    & skf18("5","4","3","10","7","8","1") = "9"
    & skf18("5","4","3","10","7","9","1") = "9"
    & skf18("5","4","3","10","7","10","1") = "9"
    & skf18("5","4","3","10","8","1","1") = "9"
    & skf18("5","4","3","10","8","2","1") = "9"
    & skf18("5","4","3","10","8","3","1") = "9"
    & skf18("5","4","3","10","8","4","1") = "9"
    & skf18("5","4","3","10","8","5","1") = "9"
    & skf18("5","4","3","10","8","6","1") = "9"
    & skf18("5","4","3","10","8","7","1") = "9"
    & skf18("5","4","3","10","8","8","1") = "9"
    & skf18("5","4","3","10","8","9","1") = "9"
    & skf18("5","4","3","10","8","10","1") = "9"
    & skf18("5","4","3","10","9","1","1") = "9"
    & skf18("5","4","3","10","9","2","1") = "9"
    & skf18("5","4","3","10","9","3","1") = "9"
    & skf18("5","4","3","10","9","4","1") = "9"
    & skf18("5","4","3","10","9","5","1") = "9"
    & skf18("5","4","3","10","9","6","1") = "9"
    & skf18("5","4","3","10","9","7","1") = "9"
    & skf18("5","4","3","10","9","8","1") = "9"
    & skf18("5","4","3","10","9","9","1") = "9"
    & skf18("5","4","3","10","9","10","1") = "9"
    & skf18("5","4","3","10","10","1","1") = "9"
    & skf18("5","4","3","10","10","2","1") = "9"
    & skf18("5","4","3","10","10","3","1") = "9"
    & skf18("5","4","3","10","10","4","1") = "9"
    & skf18("5","4","3","10","10","5","1") = "9"
    & skf18("5","4","3","10","10","6","1") = "9"
    & skf18("5","4","3","10","10","7","1") = "9"
    & skf18("5","4","3","10","10","8","1") = "9"
    & skf18("5","4","3","10","10","9","1") = "9"
    & skf18("5","4","3","10","10","10","1") = "9"
    & skf18("5","4","4","1","1","1","1") = "4"
    & skf18("5","4","4","1","1","2","1") = "4"
    & skf18("5","4","4","1","1","3","1") = "4"
    & skf18("5","4","4","1","1","4","1") = "4"
    & skf18("5","4","4","1","1","5","1") = "4"
    & skf18("5","4","4","1","1","6","1") = "5"
    & skf18("5","4","4","1","1","7","1") = "6"
    & skf18("5","4","4","1","1","8","1") = "7"
    & skf18("5","4","4","1","1","9","1") = "8"
    & skf18("5","4","4","1","1","10","1") = "9"
    & skf18("5","4","4","1","2","1","1") = "4"
    & skf18("5","4","4","1","2","2","1") = "4"
    & skf18("5","4","4","1","2","3","1") = "4"
    & skf18("5","4","4","1","2","4","1") = "4"
    & skf18("5","4","4","1","2","5","1") = "4"
    & skf18("5","4","4","1","2","6","1") = "5"
    & skf18("5","4","4","1","2","7","1") = "6"
    & skf18("5","4","4","1","2","8","1") = "7"
    & skf18("5","4","4","1","2","9","1") = "8"
    & skf18("5","4","4","1","2","10","1") = "9"
    & skf18("5","4","4","1","3","1","1") = "4"
    & skf18("5","4","4","1","3","2","1") = "4"
    & skf18("5","4","4","1","3","3","1") = "4"
    & skf18("5","4","4","1","3","4","1") = "4"
    & skf18("5","4","4","1","3","5","1") = "4"
    & skf18("5","4","4","1","3","6","1") = "5"
    & skf18("5","4","4","1","3","7","1") = "6"
    & skf18("5","4","4","1","3","8","1") = "7"
    & skf18("5","4","4","1","3","9","1") = "8"
    & skf18("5","4","4","1","3","10","1") = "9"
    & skf18("5","4","4","1","4","1","1") = "4"
    & skf18("5","4","4","1","4","2","1") = "4"
    & skf18("5","4","4","1","4","3","1") = "4"
    & skf18("5","4","4","1","4","4","1") = "4"
    & skf18("5","4","4","1","4","5","1") = "4"
    & skf18("5","4","4","1","4","6","1") = "5"
    & skf18("5","4","4","1","4","7","1") = "6"
    & skf18("5","4","4","1","4","8","1") = "7"
    & skf18("5","4","4","1","4","9","1") = "8"
    & skf18("5","4","4","1","4","10","1") = "9"
    & skf18("5","4","4","1","5","1","1") = "4"
    & skf18("5","4","4","1","5","2","1") = "4"
    & skf18("5","4","4","1","5","3","1") = "4"
    & skf18("5","4","4","1","5","4","1") = "4"
    & skf18("5","4","4","1","5","5","1") = "4"
    & skf18("5","4","4","1","5","6","1") = "5"
    & skf18("5","4","4","1","5","7","1") = "6"
    & skf18("5","4","4","1","5","8","1") = "7"
    & skf18("5","4","4","1","5","9","1") = "8"
    & skf18("5","4","4","1","5","10","1") = "9"
    & skf18("5","4","4","1","6","1","1") = "5"
    & skf18("5","4","4","1","6","2","1") = "5"
    & skf18("5","4","4","1","6","3","1") = "5"
    & skf18("5","4","4","1","6","4","1") = "5"
    & skf18("5","4","4","1","6","5","1") = "5"
    & skf18("5","4","4","1","6","6","1") = "5"
    & skf18("5","4","4","1","6","7","1") = "6"
    & skf18("5","4","4","1","6","8","1") = "7"
    & skf18("5","4","4","1","6","9","1") = "8"
    & skf18("5","4","4","1","6","10","1") = "9"
    & skf18("5","4","4","1","7","1","1") = "6"
    & skf18("5","4","4","1","7","2","1") = "6"
    & skf18("5","4","4","1","7","3","1") = "6"
    & skf18("5","4","4","1","7","4","1") = "6"
    & skf18("5","4","4","1","7","5","1") = "6"
    & skf18("5","4","4","1","7","6","1") = "6"
    & skf18("5","4","4","1","7","7","1") = "6"
    & skf18("5","4","4","1","7","8","1") = "7"
    & skf18("5","4","4","1","7","9","1") = "8"
    & skf18("5","4","4","1","7","10","1") = "9"
    & skf18("5","4","4","1","8","1","1") = "7"
    & skf18("5","4","4","1","8","2","1") = "7"
    & skf18("5","4","4","1","8","3","1") = "7"
    & skf18("5","4","4","1","8","4","1") = "7"
    & skf18("5","4","4","1","8","5","1") = "7"
    & skf18("5","4","4","1","8","6","1") = "7"
    & skf18("5","4","4","1","8","7","1") = "7"
    & skf18("5","4","4","1","8","8","1") = "7"
    & skf18("5","4","4","1","8","9","1") = "8"
    & skf18("5","4","4","1","8","10","1") = "9"
    & skf18("5","4","4","1","9","1","1") = "8"
    & skf18("5","4","4","1","9","2","1") = "8"
    & skf18("5","4","4","1","9","3","1") = "8"
    & skf18("5","4","4","1","9","4","1") = "8"
    & skf18("5","4","4","1","9","5","1") = "8"
    & skf18("5","4","4","1","9","6","1") = "8"
    & skf18("5","4","4","1","9","7","1") = "8"
    & skf18("5","4","4","1","9","8","1") = "8"
    & skf18("5","4","4","1","9","9","1") = "8"
    & skf18("5","4","4","1","9","10","1") = "9"
    & skf18("5","4","4","1","10","1","1") = "9"
    & skf18("5","4","4","1","10","2","1") = "9"
    & skf18("5","4","4","1","10","3","1") = "9"
    & skf18("5","4","4","1","10","4","1") = "9"
    & skf18("5","4","4","1","10","5","1") = "9"
    & skf18("5","4","4","1","10","6","1") = "9"
    & skf18("5","4","4","1","10","7","1") = "9"
    & skf18("5","4","4","1","10","8","1") = "9"
    & skf18("5","4","4","1","10","9","1") = "9"
    & skf18("5","4","4","1","10","10","1") = "9"
    & skf18("5","4","4","2","1","1","1") = "4"
    & skf18("5","4","4","2","1","2","1") = "4"
    & skf18("5","4","4","2","1","3","1") = "4"
    & skf18("5","4","4","2","1","4","1") = "4"
    & skf18("5","4","4","2","1","5","1") = "4"
    & skf18("5","4","4","2","1","6","1") = "5"
    & skf18("5","4","4","2","1","7","1") = "6"
    & skf18("5","4","4","2","1","8","1") = "7"
    & skf18("5","4","4","2","1","9","1") = "8"
    & skf18("5","4","4","2","1","10","1") = "9"
    & skf18("5","4","4","2","2","1","1") = "4"
    & skf18("5","4","4","2","2","2","1") = "4"
    & skf18("5","4","4","2","2","3","1") = "4"
    & skf18("5","4","4","2","2","4","1") = "4"
    & skf18("5","4","4","2","2","5","1") = "4"
    & skf18("5","4","4","2","2","6","1") = "5"
    & skf18("5","4","4","2","2","7","1") = "6"
    & skf18("5","4","4","2","2","8","1") = "7"
    & skf18("5","4","4","2","2","9","1") = "8"
    & skf18("5","4","4","2","2","10","1") = "9"
    & skf18("5","4","4","2","3","1","1") = "4"
    & skf18("5","4","4","2","3","2","1") = "4"
    & skf18("5","4","4","2","3","3","1") = "4"
    & skf18("5","4","4","2","3","4","1") = "4"
    & skf18("5","4","4","2","3","5","1") = "4"
    & skf18("5","4","4","2","3","6","1") = "5"
    & skf18("5","4","4","2","3","7","1") = "6"
    & skf18("5","4","4","2","3","8","1") = "7"
    & skf18("5","4","4","2","3","9","1") = "8"
    & skf18("5","4","4","2","3","10","1") = "9"
    & skf18("5","4","4","2","4","1","1") = "4"
    & skf18("5","4","4","2","4","2","1") = "4"
    & skf18("5","4","4","2","4","3","1") = "4"
    & skf18("5","4","4","2","4","4","1") = "4"
    & skf18("5","4","4","2","4","5","1") = "4"
    & skf18("5","4","4","2","4","6","1") = "5"
    & skf18("5","4","4","2","4","7","1") = "6"
    & skf18("5","4","4","2","4","8","1") = "7"
    & skf18("5","4","4","2","4","9","1") = "8"
    & skf18("5","4","4","2","4","10","1") = "9"
    & skf18("5","4","4","2","5","1","1") = "4"
    & skf18("5","4","4","2","5","2","1") = "4"
    & skf18("5","4","4","2","5","3","1") = "4"
    & skf18("5","4","4","2","5","4","1") = "4"
    & skf18("5","4","4","2","5","5","1") = "4"
    & skf18("5","4","4","2","5","6","1") = "5"
    & skf18("5","4","4","2","5","7","1") = "6"
    & skf18("5","4","4","2","5","8","1") = "7"
    & skf18("5","4","4","2","5","9","1") = "8"
    & skf18("5","4","4","2","5","10","1") = "9"
    & skf18("5","4","4","2","6","1","1") = "5"
    & skf18("5","4","4","2","6","2","1") = "5"
    & skf18("5","4","4","2","6","3","1") = "5"
    & skf18("5","4","4","2","6","4","1") = "5"
    & skf18("5","4","4","2","6","5","1") = "5"
    & skf18("5","4","4","2","6","6","1") = "5"
    & skf18("5","4","4","2","6","7","1") = "6"
    & skf18("5","4","4","2","6","8","1") = "7"
    & skf18("5","4","4","2","6","9","1") = "8"
    & skf18("5","4","4","2","6","10","1") = "9"
    & skf18("5","4","4","2","7","1","1") = "6"
    & skf18("5","4","4","2","7","2","1") = "6"
    & skf18("5","4","4","2","7","3","1") = "6"
    & skf18("5","4","4","2","7","4","1") = "6"
    & skf18("5","4","4","2","7","5","1") = "6"
    & skf18("5","4","4","2","7","6","1") = "6"
    & skf18("5","4","4","2","7","7","1") = "6"
    & skf18("5","4","4","2","7","8","1") = "7"
    & skf18("5","4","4","2","7","9","1") = "8"
    & skf18("5","4","4","2","7","10","1") = "9"
    & skf18("5","4","4","2","8","1","1") = "7"
    & skf18("5","4","4","2","8","2","1") = "7"
    & skf18("5","4","4","2","8","3","1") = "7"
    & skf18("5","4","4","2","8","4","1") = "7"
    & skf18("5","4","4","2","8","5","1") = "7"
    & skf18("5","4","4","2","8","6","1") = "7"
    & skf18("5","4","4","2","8","7","1") = "7"
    & skf18("5","4","4","2","8","8","1") = "7"
    & skf18("5","4","4","2","8","9","1") = "8"
    & skf18("5","4","4","2","8","10","1") = "9"
    & skf18("5","4","4","2","9","1","1") = "8"
    & skf18("5","4","4","2","9","2","1") = "8"
    & skf18("5","4","4","2","9","3","1") = "8"
    & skf18("5","4","4","2","9","4","1") = "8"
    & skf18("5","4","4","2","9","5","1") = "8"
    & skf18("5","4","4","2","9","6","1") = "8"
    & skf18("5","4","4","2","9","7","1") = "8"
    & skf18("5","4","4","2","9","8","1") = "8"
    & skf18("5","4","4","2","9","9","1") = "8"
    & skf18("5","4","4","2","9","10","1") = "9"
    & skf18("5","4","4","2","10","1","1") = "9"
    & skf18("5","4","4","2","10","2","1") = "9"
    & skf18("5","4","4","2","10","3","1") = "9"
    & skf18("5","4","4","2","10","4","1") = "9"
    & skf18("5","4","4","2","10","5","1") = "9"
    & skf18("5","4","4","2","10","6","1") = "9"
    & skf18("5","4","4","2","10","7","1") = "9"
    & skf18("5","4","4","2","10","8","1") = "9"
    & skf18("5","4","4","2","10","9","1") = "9"
    & skf18("5","4","4","2","10","10","1") = "9"
    & skf18("5","4","4","3","1","1","1") = "4"
    & skf18("5","4","4","3","1","2","1") = "4"
    & skf18("5","4","4","3","1","3","1") = "4"
    & skf18("5","4","4","3","1","4","1") = "4"
    & skf18("5","4","4","3","1","5","1") = "4"
    & skf18("5","4","4","3","1","6","1") = "5"
    & skf18("5","4","4","3","1","7","1") = "6"
    & skf18("5","4","4","3","1","8","1") = "7"
    & skf18("5","4","4","3","1","9","1") = "8"
    & skf18("5","4","4","3","1","10","1") = "9"
    & skf18("5","4","4","3","2","1","1") = "4"
    & skf18("5","4","4","3","2","2","1") = "4"
    & skf18("5","4","4","3","2","3","1") = "4"
    & skf18("5","4","4","3","2","4","1") = "4"
    & skf18("5","4","4","3","2","5","1") = "4"
    & skf18("5","4","4","3","2","6","1") = "5"
    & skf18("5","4","4","3","2","7","1") = "6"
    & skf18("5","4","4","3","2","8","1") = "7"
    & skf18("5","4","4","3","2","9","1") = "8"
    & skf18("5","4","4","3","2","10","1") = "9"
    & skf18("5","4","4","3","3","1","1") = "4"
    & skf18("5","4","4","3","3","2","1") = "4"
    & skf18("5","4","4","3","3","3","1") = "4"
    & skf18("5","4","4","3","3","4","1") = "4"
    & skf18("5","4","4","3","3","5","1") = "4"
    & skf18("5","4","4","3","3","6","1") = "5"
    & skf18("5","4","4","3","3","7","1") = "6"
    & skf18("5","4","4","3","3","8","1") = "7"
    & skf18("5","4","4","3","3","9","1") = "8"
    & skf18("5","4","4","3","3","10","1") = "9"
    & skf18("5","4","4","3","4","1","1") = "4"
    & skf18("5","4","4","3","4","2","1") = "4"
    & skf18("5","4","4","3","4","3","1") = "4"
    & skf18("5","4","4","3","4","4","1") = "4"
    & skf18("5","4","4","3","4","5","1") = "4"
    & skf18("5","4","4","3","4","6","1") = "5"
    & skf18("5","4","4","3","4","7","1") = "6"
    & skf18("5","4","4","3","4","8","1") = "7"
    & skf18("5","4","4","3","4","9","1") = "8"
    & skf18("5","4","4","3","4","10","1") = "9"
    & skf18("5","4","4","3","5","1","1") = "4"
    & skf18("5","4","4","3","5","2","1") = "4"
    & skf18("5","4","4","3","5","3","1") = "4"
    & skf18("5","4","4","3","5","4","1") = "4"
    & skf18("5","4","4","3","5","5","1") = "4"
    & skf18("5","4","4","3","5","6","1") = "5"
    & skf18("5","4","4","3","5","7","1") = "6"
    & skf18("5","4","4","3","5","8","1") = "7"
    & skf18("5","4","4","3","5","9","1") = "8"
    & skf18("5","4","4","3","5","10","1") = "9"
    & skf18("5","4","4","3","6","1","1") = "5"
    & skf18("5","4","4","3","6","2","1") = "5"
    & skf18("5","4","4","3","6","3","1") = "5"
    & skf18("5","4","4","3","6","4","1") = "5"
    & skf18("5","4","4","3","6","5","1") = "5"
    & skf18("5","4","4","3","6","6","1") = "5"
    & skf18("5","4","4","3","6","7","1") = "6"
    & skf18("5","4","4","3","6","8","1") = "7"
    & skf18("5","4","4","3","6","9","1") = "8"
    & skf18("5","4","4","3","6","10","1") = "9"
    & skf18("5","4","4","3","7","1","1") = "6"
    & skf18("5","4","4","3","7","2","1") = "6"
    & skf18("5","4","4","3","7","3","1") = "6"
    & skf18("5","4","4","3","7","4","1") = "6"
    & skf18("5","4","4","3","7","5","1") = "6"
    & skf18("5","4","4","3","7","6","1") = "6"
    & skf18("5","4","4","3","7","7","1") = "6"
    & skf18("5","4","4","3","7","8","1") = "7"
    & skf18("5","4","4","3","7","9","1") = "8"
    & skf18("5","4","4","3","7","10","1") = "9"
    & skf18("5","4","4","3","8","1","1") = "7"
    & skf18("5","4","4","3","8","2","1") = "7"
    & skf18("5","4","4","3","8","3","1") = "7"
    & skf18("5","4","4","3","8","4","1") = "7"
    & skf18("5","4","4","3","8","5","1") = "7"
    & skf18("5","4","4","3","8","6","1") = "7"
    & skf18("5","4","4","3","8","7","1") = "7"
    & skf18("5","4","4","3","8","8","1") = "7"
    & skf18("5","4","4","3","8","9","1") = "8"
    & skf18("5","4","4","3","8","10","1") = "9"
    & skf18("5","4","4","3","9","1","1") = "8"
    & skf18("5","4","4","3","9","2","1") = "8"
    & skf18("5","4","4","3","9","3","1") = "8"
    & skf18("5","4","4","3","9","4","1") = "8"
    & skf18("5","4","4","3","9","5","1") = "8"
    & skf18("5","4","4","3","9","6","1") = "8"
    & skf18("5","4","4","3","9","7","1") = "8"
    & skf18("5","4","4","3","9","8","1") = "8"
    & skf18("5","4","4","3","9","9","1") = "8"
    & skf18("5","4","4","3","9","10","1") = "9"
    & skf18("5","4","4","3","10","1","1") = "9"
    & skf18("5","4","4","3","10","2","1") = "9"
    & skf18("5","4","4","3","10","3","1") = "9"
    & skf18("5","4","4","3","10","4","1") = "9"
    & skf18("5","4","4","3","10","5","1") = "9"
    & skf18("5","4","4","3","10","6","1") = "9"
    & skf18("5","4","4","3","10","7","1") = "9"
    & skf18("5","4","4","3","10","8","1") = "9"
    & skf18("5","4","4","3","10","9","1") = "9"
    & skf18("5","4","4","3","10","10","1") = "9"
    & skf18("5","4","4","4","1","1","1") = "4"
    & skf18("5","4","4","4","1","2","1") = "4"
    & skf18("5","4","4","4","1","3","1") = "4"
    & skf18("5","4","4","4","1","4","1") = "4"
    & skf18("5","4","4","4","1","5","1") = "4"
    & skf18("5","4","4","4","1","6","1") = "5"
    & skf18("5","4","4","4","1","7","1") = "6"
    & skf18("5","4","4","4","1","8","1") = "7"
    & skf18("5","4","4","4","1","9","1") = "8"
    & skf18("5","4","4","4","1","10","1") = "9"
    & skf18("5","4","4","4","2","1","1") = "4"
    & skf18("5","4","4","4","2","2","1") = "4"
    & skf18("5","4","4","4","2","3","1") = "4"
    & skf18("5","4","4","4","2","4","1") = "4"
    & skf18("5","4","4","4","2","5","1") = "4"
    & skf18("5","4","4","4","2","6","1") = "5"
    & skf18("5","4","4","4","2","7","1") = "6"
    & skf18("5","4","4","4","2","8","1") = "7"
    & skf18("5","4","4","4","2","9","1") = "8"
    & skf18("5","4","4","4","2","10","1") = "9"
    & skf18("5","4","4","4","3","1","1") = "4"
    & skf18("5","4","4","4","3","2","1") = "4"
    & skf18("5","4","4","4","3","3","1") = "4"
    & skf18("5","4","4","4","3","4","1") = "4"
    & skf18("5","4","4","4","3","5","1") = "4"
    & skf18("5","4","4","4","3","6","1") = "5"
    & skf18("5","4","4","4","3","7","1") = "6"
    & skf18("5","4","4","4","3","8","1") = "7"
    & skf18("5","4","4","4","3","9","1") = "8"
    & skf18("5","4","4","4","3","10","1") = "9"
    & skf18("5","4","4","4","4","1","1") = "4"
    & skf18("5","4","4","4","4","2","1") = "4"
    & skf18("5","4","4","4","4","3","1") = "4"
    & skf18("5","4","4","4","4","4","1") = "4"
    & skf18("5","4","4","4","4","5","1") = "4"
    & skf18("5","4","4","4","4","6","1") = "5"
    & skf18("5","4","4","4","4","7","1") = "6"
    & skf18("5","4","4","4","4","8","1") = "7"
    & skf18("5","4","4","4","4","9","1") = "8"
    & skf18("5","4","4","4","4","10","1") = "9"
    & skf18("5","4","4","4","5","1","1") = "4"
    & skf18("5","4","4","4","5","2","1") = "4"
    & skf18("5","4","4","4","5","3","1") = "4"
    & skf18("5","4","4","4","5","4","1") = "4"
    & skf18("5","4","4","4","5","5","1") = "4"
    & skf18("5","4","4","4","5","6","1") = "5"
    & skf18("5","4","4","4","5","7","1") = "6"
    & skf18("5","4","4","4","5","8","1") = "7"
    & skf18("5","4","4","4","5","9","1") = "8"
    & skf18("5","4","4","4","5","10","1") = "9"
    & skf18("5","4","4","4","6","1","1") = "5"
    & skf18("5","4","4","4","6","2","1") = "5"
    & skf18("5","4","4","4","6","3","1") = "5"
    & skf18("5","4","4","4","6","4","1") = "5"
    & skf18("5","4","4","4","6","5","1") = "5"
    & skf18("5","4","4","4","6","6","1") = "5"
    & skf18("5","4","4","4","6","7","1") = "6"
    & skf18("5","4","4","4","6","8","1") = "7"
    & skf18("5","4","4","4","6","9","1") = "8"
    & skf18("5","4","4","4","6","10","1") = "9"
    & skf18("5","4","4","4","7","1","1") = "6"
    & skf18("5","4","4","4","7","2","1") = "6"
    & skf18("5","4","4","4","7","3","1") = "6"
    & skf18("5","4","4","4","7","4","1") = "6"
    & skf18("5","4","4","4","7","5","1") = "6"
    & skf18("5","4","4","4","7","6","1") = "6"
    & skf18("5","4","4","4","7","7","1") = "6"
    & skf18("5","4","4","4","7","8","1") = "7"
    & skf18("5","4","4","4","7","9","1") = "8"
    & skf18("5","4","4","4","7","10","1") = "9"
    & skf18("5","4","4","4","8","1","1") = "7"
    & skf18("5","4","4","4","8","2","1") = "7"
    & skf18("5","4","4","4","8","3","1") = "7"
    & skf18("5","4","4","4","8","4","1") = "7"
    & skf18("5","4","4","4","8","5","1") = "7"
    & skf18("5","4","4","4","8","6","1") = "7"
    & skf18("5","4","4","4","8","7","1") = "7"
    & skf18("5","4","4","4","8","8","1") = "7"
    & skf18("5","4","4","4","8","9","1") = "8"
    & skf18("5","4","4","4","8","10","1") = "9"
    & skf18("5","4","4","4","9","1","1") = "8"
    & skf18("5","4","4","4","9","2","1") = "8"
    & skf18("5","4","4","4","9","3","1") = "8"
    & skf18("5","4","4","4","9","4","1") = "8"
    & skf18("5","4","4","4","9","5","1") = "8"
    & skf18("5","4","4","4","9","6","1") = "8"
    & skf18("5","4","4","4","9","7","1") = "8"
    & skf18("5","4","4","4","9","8","1") = "8"
    & skf18("5","4","4","4","9","9","1") = "8"
    & skf18("5","4","4","4","9","10","1") = "9"
    & skf18("5","4","4","4","10","1","1") = "9"
    & skf18("5","4","4","4","10","2","1") = "9"
    & skf18("5","4","4","4","10","3","1") = "9"
    & skf18("5","4","4","4","10","4","1") = "9"
    & skf18("5","4","4","4","10","5","1") = "9"
    & skf18("5","4","4","4","10","6","1") = "9"
    & skf18("5","4","4","4","10","7","1") = "9"
    & skf18("5","4","4","4","10","8","1") = "9"
    & skf18("5","4","4","4","10","9","1") = "9"
    & skf18("5","4","4","4","10","10","1") = "9"
    & skf18("5","4","4","5","1","1","1") = "4"
    & skf18("5","4","4","5","1","2","1") = "4"
    & skf18("5","4","4","5","1","3","1") = "4"
    & skf18("5","4","4","5","1","4","1") = "4"
    & skf18("5","4","4","5","1","5","1") = "4"
    & skf18("5","4","4","5","1","6","1") = "5"
    & skf18("5","4","4","5","1","7","1") = "6"
    & skf18("5","4","4","5","1","8","1") = "7"
    & skf18("5","4","4","5","1","9","1") = "8"
    & skf18("5","4","4","5","1","10","1") = "9"
    & skf18("5","4","4","5","2","1","1") = "4"
    & skf18("5","4","4","5","2","2","1") = "4"
    & skf18("5","4","4","5","2","3","1") = "4"
    & skf18("5","4","4","5","2","4","1") = "4"
    & skf18("5","4","4","5","2","5","1") = "4"
    & skf18("5","4","4","5","2","6","1") = "5"
    & skf18("5","4","4","5","2","7","1") = "6"
    & skf18("5","4","4","5","2","8","1") = "7"
    & skf18("5","4","4","5","2","9","1") = "8"
    & skf18("5","4","4","5","2","10","1") = "9"
    & skf18("5","4","4","5","3","1","1") = "4"
    & skf18("5","4","4","5","3","2","1") = "4"
    & skf18("5","4","4","5","3","3","1") = "4"
    & skf18("5","4","4","5","3","4","1") = "4"
    & skf18("5","4","4","5","3","5","1") = "4"
    & skf18("5","4","4","5","3","6","1") = "5"
    & skf18("5","4","4","5","3","7","1") = "6"
    & skf18("5","4","4","5","3","8","1") = "7"
    & skf18("5","4","4","5","3","9","1") = "8"
    & skf18("5","4","4","5","3","10","1") = "9"
    & skf18("5","4","4","5","4","1","1") = "4"
    & skf18("5","4","4","5","4","2","1") = "4"
    & skf18("5","4","4","5","4","3","1") = "4"
    & skf18("5","4","4","5","4","4","1") = "4"
    & skf18("5","4","4","5","4","5","1") = "4"
    & skf18("5","4","4","5","4","6","1") = "5"
    & skf18("5","4","4","5","4","7","1") = "6"
    & skf18("5","4","4","5","4","8","1") = "7"
    & skf18("5","4","4","5","4","9","1") = "8"
    & skf18("5","4","4","5","4","10","1") = "9"
    & skf18("5","4","4","5","5","1","1") = "4"
    & skf18("5","4","4","5","5","2","1") = "4"
    & skf18("5","4","4","5","5","3","1") = "4"
    & skf18("5","4","4","5","5","4","1") = "4"
    & skf18("5","4","4","5","5","5","1") = "4"
    & skf18("5","4","4","5","5","6","1") = "5"
    & skf18("5","4","4","5","5","7","1") = "6"
    & skf18("5","4","4","5","5","8","1") = "7"
    & skf18("5","4","4","5","5","9","1") = "8"
    & skf18("5","4","4","5","5","10","1") = "9"
    & skf18("5","4","4","5","6","1","1") = "5"
    & skf18("5","4","4","5","6","2","1") = "5"
    & skf18("5","4","4","5","6","3","1") = "5"
    & skf18("5","4","4","5","6","4","1") = "5"
    & skf18("5","4","4","5","6","5","1") = "5"
    & skf18("5","4","4","5","6","6","1") = "5"
    & skf18("5","4","4","5","6","7","1") = "6"
    & skf18("5","4","4","5","6","8","1") = "7"
    & skf18("5","4","4","5","6","9","1") = "8"
    & skf18("5","4","4","5","6","10","1") = "9"
    & skf18("5","4","4","5","7","1","1") = "6"
    & skf18("5","4","4","5","7","2","1") = "6"
    & skf18("5","4","4","5","7","3","1") = "6"
    & skf18("5","4","4","5","7","4","1") = "6"
    & skf18("5","4","4","5","7","5","1") = "6"
    & skf18("5","4","4","5","7","6","1") = "6"
    & skf18("5","4","4","5","7","7","1") = "6"
    & skf18("5","4","4","5","7","8","1") = "7"
    & skf18("5","4","4","5","7","9","1") = "8"
    & skf18("5","4","4","5","7","10","1") = "9"
    & skf18("5","4","4","5","8","1","1") = "7"
    & skf18("5","4","4","5","8","2","1") = "7"
    & skf18("5","4","4","5","8","3","1") = "7"
    & skf18("5","4","4","5","8","4","1") = "7"
    & skf18("5","4","4","5","8","5","1") = "7"
    & skf18("5","4","4","5","8","6","1") = "7"
    & skf18("5","4","4","5","8","7","1") = "7"
    & skf18("5","4","4","5","8","8","1") = "7"
    & skf18("5","4","4","5","8","9","1") = "8"
    & skf18("5","4","4","5","8","10","1") = "9"
    & skf18("5","4","4","5","9","1","1") = "8"
    & skf18("5","4","4","5","9","2","1") = "8"
    & skf18("5","4","4","5","9","3","1") = "8"
    & skf18("5","4","4","5","9","4","1") = "8"
    & skf18("5","4","4","5","9","5","1") = "8"
    & skf18("5","4","4","5","9","6","1") = "8"
    & skf18("5","4","4","5","9","7","1") = "8"
    & skf18("5","4","4","5","9","8","1") = "8"
    & skf18("5","4","4","5","9","9","1") = "8"
    & skf18("5","4","4","5","9","10","1") = "9"
    & skf18("5","4","4","5","10","1","1") = "9"
    & skf18("5","4","4","5","10","2","1") = "9"
    & skf18("5","4","4","5","10","3","1") = "9"
    & skf18("5","4","4","5","10","4","1") = "9"
    & skf18("5","4","4","5","10","5","1") = "9"
    & skf18("5","4","4","5","10","6","1") = "9"
    & skf18("5","4","4","5","10","7","1") = "9"
    & skf18("5","4","4","5","10","8","1") = "9"
    & skf18("5","4","4","5","10","9","1") = "9"
    & skf18("5","4","4","5","10","10","1") = "9"
    & skf18("5","4","4","6","1","1","1") = "5"
    & skf18("5","4","4","6","1","2","1") = "5"
    & skf18("5","4","4","6","1","3","1") = "5"
    & skf18("5","4","4","6","1","4","1") = "5"
    & skf18("5","4","4","6","1","5","1") = "5"
    & skf18("5","4","4","6","1","6","1") = "5"
    & skf18("5","4","4","6","1","7","1") = "6"
    & skf18("5","4","4","6","1","8","1") = "7"
    & skf18("5","4","4","6","1","9","1") = "8"
    & skf18("5","4","4","6","1","10","1") = "9"
    & skf18("5","4","4","6","2","1","1") = "5"
    & skf18("5","4","4","6","2","2","1") = "5"
    & skf18("5","4","4","6","2","3","1") = "5"
    & skf18("5","4","4","6","2","4","1") = "5"
    & skf18("5","4","4","6","2","5","1") = "5"
    & skf18("5","4","4","6","2","6","1") = "5"
    & skf18("5","4","4","6","2","7","1") = "6"
    & skf18("5","4","4","6","2","8","1") = "7"
    & skf18("5","4","4","6","2","9","1") = "8"
    & skf18("5","4","4","6","2","10","1") = "9"
    & skf18("5","4","4","6","3","1","1") = "5"
    & skf18("5","4","4","6","3","2","1") = "5"
    & skf18("5","4","4","6","3","3","1") = "5"
    & skf18("5","4","4","6","3","4","1") = "5"
    & skf18("5","4","4","6","3","5","1") = "5"
    & skf18("5","4","4","6","3","6","1") = "5"
    & skf18("5","4","4","6","3","7","1") = "6"
    & skf18("5","4","4","6","3","8","1") = "7"
    & skf18("5","4","4","6","3","9","1") = "8"
    & skf18("5","4","4","6","3","10","1") = "9"
    & skf18("5","4","4","6","4","1","1") = "5"
    & skf18("5","4","4","6","4","2","1") = "5"
    & skf18("5","4","4","6","4","3","1") = "5"
    & skf18("5","4","4","6","4","4","1") = "5"
    & skf18("5","4","4","6","4","5","1") = "5"
    & skf18("5","4","4","6","4","6","1") = "5"
    & skf18("5","4","4","6","4","7","1") = "6"
    & skf18("5","4","4","6","4","8","1") = "7"
    & skf18("5","4","4","6","4","9","1") = "8"
    & skf18("5","4","4","6","4","10","1") = "9"
    & skf18("5","4","4","6","5","1","1") = "5"
    & skf18("5","4","4","6","5","2","1") = "5"
    & skf18("5","4","4","6","5","3","1") = "5"
    & skf18("5","4","4","6","5","4","1") = "5"
    & skf18("5","4","4","6","5","5","1") = "5"
    & skf18("5","4","4","6","5","6","1") = "5"
    & skf18("5","4","4","6","5","7","1") = "6"
    & skf18("5","4","4","6","5","8","1") = "7"
    & skf18("5","4","4","6","5","9","1") = "8"
    & skf18("5","4","4","6","5","10","1") = "9"
    & skf18("5","4","4","6","6","1","1") = "5"
    & skf18("5","4","4","6","6","2","1") = "5"
    & skf18("5","4","4","6","6","3","1") = "5"
    & skf18("5","4","4","6","6","4","1") = "5"
    & skf18("5","4","4","6","6","5","1") = "5"
    & skf18("5","4","4","6","6","6","1") = "5"
    & skf18("5","4","4","6","6","7","1") = "6"
    & skf18("5","4","4","6","6","8","1") = "7"
    & skf18("5","4","4","6","6","9","1") = "8"
    & skf18("5","4","4","6","6","10","1") = "9"
    & skf18("5","4","4","6","7","1","1") = "6"
    & skf18("5","4","4","6","7","2","1") = "6"
    & skf18("5","4","4","6","7","3","1") = "6"
    & skf18("5","4","4","6","7","4","1") = "6"
    & skf18("5","4","4","6","7","5","1") = "6"
    & skf18("5","4","4","6","7","6","1") = "6"
    & skf18("5","4","4","6","7","7","1") = "6"
    & skf18("5","4","4","6","7","8","1") = "7"
    & skf18("5","4","4","6","7","9","1") = "8"
    & skf18("5","4","4","6","7","10","1") = "9"
    & skf18("5","4","4","6","8","1","1") = "7"
    & skf18("5","4","4","6","8","2","1") = "7"
    & skf18("5","4","4","6","8","3","1") = "7"
    & skf18("5","4","4","6","8","4","1") = "7"
    & skf18("5","4","4","6","8","5","1") = "7"
    & skf18("5","4","4","6","8","6","1") = "7"
    & skf18("5","4","4","6","8","7","1") = "7"
    & skf18("5","4","4","6","8","8","1") = "7"
    & skf18("5","4","4","6","8","9","1") = "8"
    & skf18("5","4","4","6","8","10","1") = "9"
    & skf18("5","4","4","6","9","1","1") = "8"
    & skf18("5","4","4","6","9","2","1") = "8"
    & skf18("5","4","4","6","9","3","1") = "8"
    & skf18("5","4","4","6","9","4","1") = "8"
    & skf18("5","4","4","6","9","5","1") = "8"
    & skf18("5","4","4","6","9","6","1") = "8"
    & skf18("5","4","4","6","9","7","1") = "8"
    & skf18("5","4","4","6","9","8","1") = "8"
    & skf18("5","4","4","6","9","9","1") = "8"
    & skf18("5","4","4","6","9","10","1") = "9"
    & skf18("5","4","4","6","10","1","1") = "9"
    & skf18("5","4","4","6","10","2","1") = "9"
    & skf18("5","4","4","6","10","3","1") = "9"
    & skf18("5","4","4","6","10","4","1") = "9"
    & skf18("5","4","4","6","10","5","1") = "9"
    & skf18("5","4","4","6","10","6","1") = "9"
    & skf18("5","4","4","6","10","7","1") = "9"
    & skf18("5","4","4","6","10","8","1") = "9"
    & skf18("5","4","4","6","10","9","1") = "9"
    & skf18("5","4","4","6","10","10","1") = "9"
    & skf18("5","4","4","7","1","1","1") = "6"
    & skf18("5","4","4","7","1","2","1") = "6"
    & skf18("5","4","4","7","1","3","1") = "6"
    & skf18("5","4","4","7","1","4","1") = "6"
    & skf18("5","4","4","7","1","5","1") = "6"
    & skf18("5","4","4","7","1","6","1") = "6"
    & skf18("5","4","4","7","1","7","1") = "6"
    & skf18("5","4","4","7","1","8","1") = "7"
    & skf18("5","4","4","7","1","9","1") = "8"
    & skf18("5","4","4","7","1","10","1") = "9"
    & skf18("5","4","4","7","2","1","1") = "6"
    & skf18("5","4","4","7","2","2","1") = "6"
    & skf18("5","4","4","7","2","3","1") = "6"
    & skf18("5","4","4","7","2","4","1") = "6"
    & skf18("5","4","4","7","2","5","1") = "6"
    & skf18("5","4","4","7","2","6","1") = "6"
    & skf18("5","4","4","7","2","7","1") = "6"
    & skf18("5","4","4","7","2","8","1") = "7"
    & skf18("5","4","4","7","2","9","1") = "8"
    & skf18("5","4","4","7","2","10","1") = "9"
    & skf18("5","4","4","7","3","1","1") = "6"
    & skf18("5","4","4","7","3","2","1") = "6"
    & skf18("5","4","4","7","3","3","1") = "6"
    & skf18("5","4","4","7","3","4","1") = "6"
    & skf18("5","4","4","7","3","5","1") = "6"
    & skf18("5","4","4","7","3","6","1") = "6"
    & skf18("5","4","4","7","3","7","1") = "6"
    & skf18("5","4","4","7","3","8","1") = "7"
    & skf18("5","4","4","7","3","9","1") = "8"
    & skf18("5","4","4","7","3","10","1") = "9"
    & skf18("5","4","4","7","4","1","1") = "6"
    & skf18("5","4","4","7","4","2","1") = "6"
    & skf18("5","4","4","7","4","3","1") = "6"
    & skf18("5","4","4","7","4","4","1") = "6"
    & skf18("5","4","4","7","4","5","1") = "6"
    & skf18("5","4","4","7","4","6","1") = "6"
    & skf18("5","4","4","7","4","7","1") = "6"
    & skf18("5","4","4","7","4","8","1") = "7"
    & skf18("5","4","4","7","4","9","1") = "8"
    & skf18("5","4","4","7","4","10","1") = "9"
    & skf18("5","4","4","7","5","1","1") = "6"
    & skf18("5","4","4","7","5","2","1") = "6"
    & skf18("5","4","4","7","5","3","1") = "6"
    & skf18("5","4","4","7","5","4","1") = "6"
    & skf18("5","4","4","7","5","5","1") = "6"
    & skf18("5","4","4","7","5","6","1") = "6"
    & skf18("5","4","4","7","5","7","1") = "6"
    & skf18("5","4","4","7","5","8","1") = "7"
    & skf18("5","4","4","7","5","9","1") = "8"
    & skf18("5","4","4","7","5","10","1") = "9"
    & skf18("5","4","4","7","6","1","1") = "6"
    & skf18("5","4","4","7","6","2","1") = "6"
    & skf18("5","4","4","7","6","3","1") = "6"
    & skf18("5","4","4","7","6","4","1") = "6"
    & skf18("5","4","4","7","6","5","1") = "6"
    & skf18("5","4","4","7","6","6","1") = "6"
    & skf18("5","4","4","7","6","7","1") = "6"
    & skf18("5","4","4","7","6","8","1") = "7"
    & skf18("5","4","4","7","6","9","1") = "8"
    & skf18("5","4","4","7","6","10","1") = "9"
    & skf18("5","4","4","7","7","1","1") = "6"
    & skf18("5","4","4","7","7","2","1") = "6"
    & skf18("5","4","4","7","7","3","1") = "6"
    & skf18("5","4","4","7","7","4","1") = "6"
    & skf18("5","4","4","7","7","5","1") = "6"
    & skf18("5","4","4","7","7","6","1") = "6"
    & skf18("5","4","4","7","7","7","1") = "6"
    & skf18("5","4","4","7","7","8","1") = "7"
    & skf18("5","4","4","7","7","9","1") = "8"
    & skf18("5","4","4","7","7","10","1") = "9"
    & skf18("5","4","4","7","8","1","1") = "7"
    & skf18("5","4","4","7","8","2","1") = "7"
    & skf18("5","4","4","7","8","3","1") = "7"
    & skf18("5","4","4","7","8","4","1") = "7"
    & skf18("5","4","4","7","8","5","1") = "7"
    & skf18("5","4","4","7","8","6","1") = "7"
    & skf18("5","4","4","7","8","7","1") = "7"
    & skf18("5","4","4","7","8","8","1") = "7"
    & skf18("5","4","4","7","8","9","1") = "8"
    & skf18("5","4","4","7","8","10","1") = "9"
    & skf18("5","4","4","7","9","1","1") = "8"
    & skf18("5","4","4","7","9","2","1") = "8"
    & skf18("5","4","4","7","9","3","1") = "8"
    & skf18("5","4","4","7","9","4","1") = "8"
    & skf18("5","4","4","7","9","5","1") = "8"
    & skf18("5","4","4","7","9","6","1") = "8"
    & skf18("5","4","4","7","9","7","1") = "8"
    & skf18("5","4","4","7","9","8","1") = "8"
    & skf18("5","4","4","7","9","9","1") = "8"
    & skf18("5","4","4","7","9","10","1") = "9"
    & skf18("5","4","4","7","10","1","1") = "9"
    & skf18("5","4","4","7","10","2","1") = "9"
    & skf18("5","4","4","7","10","3","1") = "9"
    & skf18("5","4","4","7","10","4","1") = "9"
    & skf18("5","4","4","7","10","5","1") = "9"
    & skf18("5","4","4","7","10","6","1") = "9"
    & skf18("5","4","4","7","10","7","1") = "9"
    & skf18("5","4","4","7","10","8","1") = "9"
    & skf18("5","4","4","7","10","9","1") = "9"
    & skf18("5","4","4","7","10","10","1") = "9"
    & skf18("5","4","4","8","1","1","1") = "7"
    & skf18("5","4","4","8","1","2","1") = "7"
    & skf18("5","4","4","8","1","3","1") = "7"
    & skf18("5","4","4","8","1","4","1") = "7"
    & skf18("5","4","4","8","1","5","1") = "7"
    & skf18("5","4","4","8","1","6","1") = "7"
    & skf18("5","4","4","8","1","7","1") = "7"
    & skf18("5","4","4","8","1","8","1") = "7"
    & skf18("5","4","4","8","1","9","1") = "8"
    & skf18("5","4","4","8","1","10","1") = "9"
    & skf18("5","4","4","8","2","1","1") = "7"
    & skf18("5","4","4","8","2","2","1") = "7"
    & skf18("5","4","4","8","2","3","1") = "7"
    & skf18("5","4","4","8","2","4","1") = "7"
    & skf18("5","4","4","8","2","5","1") = "7"
    & skf18("5","4","4","8","2","6","1") = "7"
    & skf18("5","4","4","8","2","7","1") = "7"
    & skf18("5","4","4","8","2","8","1") = "7"
    & skf18("5","4","4","8","2","9","1") = "8"
    & skf18("5","4","4","8","2","10","1") = "9"
    & skf18("5","4","4","8","3","1","1") = "7"
    & skf18("5","4","4","8","3","2","1") = "7"
    & skf18("5","4","4","8","3","3","1") = "7"
    & skf18("5","4","4","8","3","4","1") = "7"
    & skf18("5","4","4","8","3","5","1") = "7"
    & skf18("5","4","4","8","3","6","1") = "7"
    & skf18("5","4","4","8","3","7","1") = "7"
    & skf18("5","4","4","8","3","8","1") = "7"
    & skf18("5","4","4","8","3","9","1") = "8"
    & skf18("5","4","4","8","3","10","1") = "9"
    & skf18("5","4","4","8","4","1","1") = "7"
    & skf18("5","4","4","8","4","2","1") = "7"
    & skf18("5","4","4","8","4","3","1") = "7"
    & skf18("5","4","4","8","4","4","1") = "7"
    & skf18("5","4","4","8","4","5","1") = "7"
    & skf18("5","4","4","8","4","6","1") = "7"
    & skf18("5","4","4","8","4","7","1") = "7"
    & skf18("5","4","4","8","4","8","1") = "7"
    & skf18("5","4","4","8","4","9","1") = "8"
    & skf18("5","4","4","8","4","10","1") = "9"
    & skf18("5","4","4","8","5","1","1") = "7"
    & skf18("5","4","4","8","5","2","1") = "7"
    & skf18("5","4","4","8","5","3","1") = "7"
    & skf18("5","4","4","8","5","4","1") = "7"
    & skf18("5","4","4","8","5","5","1") = "7"
    & skf18("5","4","4","8","5","6","1") = "7"
    & skf18("5","4","4","8","5","7","1") = "7"
    & skf18("5","4","4","8","5","8","1") = "7"
    & skf18("5","4","4","8","5","9","1") = "8"
    & skf18("5","4","4","8","5","10","1") = "9"
    & skf18("5","4","4","8","6","1","1") = "7"
    & skf18("5","4","4","8","6","2","1") = "7"
    & skf18("5","4","4","8","6","3","1") = "7"
    & skf18("5","4","4","8","6","4","1") = "7"
    & skf18("5","4","4","8","6","5","1") = "7"
    & skf18("5","4","4","8","6","6","1") = "7"
    & skf18("5","4","4","8","6","7","1") = "7"
    & skf18("5","4","4","8","6","8","1") = "7"
    & skf18("5","4","4","8","6","9","1") = "8"
    & skf18("5","4","4","8","6","10","1") = "9"
    & skf18("5","4","4","8","7","1","1") = "7"
    & skf18("5","4","4","8","7","2","1") = "7"
    & skf18("5","4","4","8","7","3","1") = "7"
    & skf18("5","4","4","8","7","4","1") = "7"
    & skf18("5","4","4","8","7","5","1") = "7"
    & skf18("5","4","4","8","7","6","1") = "7"
    & skf18("5","4","4","8","7","7","1") = "7"
    & skf18("5","4","4","8","7","8","1") = "7"
    & skf18("5","4","4","8","7","9","1") = "8"
    & skf18("5","4","4","8","7","10","1") = "9"
    & skf18("5","4","4","8","8","1","1") = "7"
    & skf18("5","4","4","8","8","2","1") = "7"
    & skf18("5","4","4","8","8","3","1") = "7"
    & skf18("5","4","4","8","8","4","1") = "7"
    & skf18("5","4","4","8","8","5","1") = "7"
    & skf18("5","4","4","8","8","6","1") = "7"
    & skf18("5","4","4","8","8","7","1") = "7"
    & skf18("5","4","4","8","8","8","1") = "7"
    & skf18("5","4","4","8","8","9","1") = "8"
    & skf18("5","4","4","8","8","10","1") = "9"
    & skf18("5","4","4","8","9","1","1") = "8"
    & skf18("5","4","4","8","9","2","1") = "8"
    & skf18("5","4","4","8","9","3","1") = "8"
    & skf18("5","4","4","8","9","4","1") = "8"
    & skf18("5","4","4","8","9","5","1") = "8"
    & skf18("5","4","4","8","9","6","1") = "8"
    & skf18("5","4","4","8","9","7","1") = "8"
    & skf18("5","4","4","8","9","8","1") = "8"
    & skf18("5","4","4","8","9","9","1") = "8"
    & skf18("5","4","4","8","9","10","1") = "9"
    & skf18("5","4","4","8","10","1","1") = "9"
    & skf18("5","4","4","8","10","2","1") = "9"
    & skf18("5","4","4","8","10","3","1") = "9"
    & skf18("5","4","4","8","10","4","1") = "9"
    & skf18("5","4","4","8","10","5","1") = "9"
    & skf18("5","4","4","8","10","6","1") = "9"
    & skf18("5","4","4","8","10","7","1") = "9"
    & skf18("5","4","4","8","10","8","1") = "9"
    & skf18("5","4","4","8","10","9","1") = "9"
    & skf18("5","4","4","8","10","10","1") = "9"
    & skf18("5","4","4","9","1","1","1") = "8"
    & skf18("5","4","4","9","1","2","1") = "8"
    & skf18("5","4","4","9","1","3","1") = "8"
    & skf18("5","4","4","9","1","4","1") = "8"
    & skf18("5","4","4","9","1","5","1") = "8"
    & skf18("5","4","4","9","1","6","1") = "8"
    & skf18("5","4","4","9","1","7","1") = "8"
    & skf18("5","4","4","9","1","8","1") = "8"
    & skf18("5","4","4","9","1","9","1") = "8"
    & skf18("5","4","4","9","1","10","1") = "9"
    & skf18("5","4","4","9","2","1","1") = "8"
    & skf18("5","4","4","9","2","2","1") = "8"
    & skf18("5","4","4","9","2","3","1") = "8"
    & skf18("5","4","4","9","2","4","1") = "8"
    & skf18("5","4","4","9","2","5","1") = "8"
    & skf18("5","4","4","9","2","6","1") = "8"
    & skf18("5","4","4","9","2","7","1") = "8"
    & skf18("5","4","4","9","2","8","1") = "8"
    & skf18("5","4","4","9","2","9","1") = "8"
    & skf18("5","4","4","9","2","10","1") = "9"
    & skf18("5","4","4","9","3","1","1") = "8"
    & skf18("5","4","4","9","3","2","1") = "8"
    & skf18("5","4","4","9","3","3","1") = "8"
    & skf18("5","4","4","9","3","4","1") = "8"
    & skf18("5","4","4","9","3","5","1") = "8"
    & skf18("5","4","4","9","3","6","1") = "8"
    & skf18("5","4","4","9","3","7","1") = "8"
    & skf18("5","4","4","9","3","8","1") = "8"
    & skf18("5","4","4","9","3","9","1") = "8"
    & skf18("5","4","4","9","3","10","1") = "9"
    & skf18("5","4","4","9","4","1","1") = "8"
    & skf18("5","4","4","9","4","2","1") = "8"
    & skf18("5","4","4","9","4","3","1") = "8"
    & skf18("5","4","4","9","4","4","1") = "8"
    & skf18("5","4","4","9","4","5","1") = "8"
    & skf18("5","4","4","9","4","6","1") = "8"
    & skf18("5","4","4","9","4","7","1") = "8"
    & skf18("5","4","4","9","4","8","1") = "8"
    & skf18("5","4","4","9","4","9","1") = "8"
    & skf18("5","4","4","9","4","10","1") = "9"
    & skf18("5","4","4","9","5","1","1") = "8"
    & skf18("5","4","4","9","5","2","1") = "8"
    & skf18("5","4","4","9","5","3","1") = "8"
    & skf18("5","4","4","9","5","4","1") = "8"
    & skf18("5","4","4","9","5","5","1") = "8"
    & skf18("5","4","4","9","5","6","1") = "8"
    & skf18("5","4","4","9","5","7","1") = "8"
    & skf18("5","4","4","9","5","8","1") = "8"
    & skf18("5","4","4","9","5","9","1") = "8"
    & skf18("5","4","4","9","5","10","1") = "9"
    & skf18("5","4","4","9","6","1","1") = "8"
    & skf18("5","4","4","9","6","2","1") = "8"
    & skf18("5","4","4","9","6","3","1") = "8"
    & skf18("5","4","4","9","6","4","1") = "8"
    & skf18("5","4","4","9","6","5","1") = "8"
    & skf18("5","4","4","9","6","6","1") = "8"
    & skf18("5","4","4","9","6","7","1") = "8"
    & skf18("5","4","4","9","6","8","1") = "8"
    & skf18("5","4","4","9","6","9","1") = "8"
    & skf18("5","4","4","9","6","10","1") = "9"
    & skf18("5","4","4","9","7","1","1") = "8"
    & skf18("5","4","4","9","7","2","1") = "8"
    & skf18("5","4","4","9","7","3","1") = "8"
    & skf18("5","4","4","9","7","4","1") = "8"
    & skf18("5","4","4","9","7","5","1") = "8"
    & skf18("5","4","4","9","7","6","1") = "8"
    & skf18("5","4","4","9","7","7","1") = "8"
    & skf18("5","4","4","9","7","8","1") = "8"
    & skf18("5","4","4","9","7","9","1") = "8"
    & skf18("5","4","4","9","7","10","1") = "9"
    & skf18("5","4","4","9","8","1","1") = "8"
    & skf18("5","4","4","9","8","2","1") = "8"
    & skf18("5","4","4","9","8","3","1") = "8"
    & skf18("5","4","4","9","8","4","1") = "8"
    & skf18("5","4","4","9","8","5","1") = "8"
    & skf18("5","4","4","9","8","6","1") = "8"
    & skf18("5","4","4","9","8","7","1") = "8"
    & skf18("5","4","4","9","8","8","1") = "8"
    & skf18("5","4","4","9","8","9","1") = "8"
    & skf18("5","4","4","9","8","10","1") = "9"
    & skf18("5","4","4","9","9","1","1") = "8"
    & skf18("5","4","4","9","9","2","1") = "8"
    & skf18("5","4","4","9","9","3","1") = "8"
    & skf18("5","4","4","9","9","4","1") = "8"
    & skf18("5","4","4","9","9","5","1") = "8"
    & skf18("5","4","4","9","9","6","1") = "8"
    & skf18("5","4","4","9","9","7","1") = "8"
    & skf18("5","4","4","9","9","8","1") = "8"
    & skf18("5","4","4","9","9","9","1") = "8"
    & skf18("5","4","4","9","9","10","1") = "9"
    & skf18("5","4","4","9","10","1","1") = "9"
    & skf18("5","4","4","9","10","2","1") = "9"
    & skf18("5","4","4","9","10","3","1") = "9"
    & skf18("5","4","4","9","10","4","1") = "9"
    & skf18("5","4","4","9","10","5","1") = "9"
    & skf18("5","4","4","9","10","6","1") = "9"
    & skf18("5","4","4","9","10","7","1") = "9"
    & skf18("5","4","4","9","10","8","1") = "9"
    & skf18("5","4","4","9","10","9","1") = "9"
    & skf18("5","4","4","9","10","10","1") = "9"
    & skf18("5","4","4","10","1","1","1") = "9"
    & skf18("5","4","4","10","1","2","1") = "9"
    & skf18("5","4","4","10","1","3","1") = "9"
    & skf18("5","4","4","10","1","4","1") = "9"
    & skf18("5","4","4","10","1","5","1") = "9"
    & skf18("5","4","4","10","1","6","1") = "9"
    & skf18("5","4","4","10","1","7","1") = "9"
    & skf18("5","4","4","10","1","8","1") = "9"
    & skf18("5","4","4","10","1","9","1") = "9"
    & skf18("5","4","4","10","1","10","1") = "9"
    & skf18("5","4","4","10","2","1","1") = "9"
    & skf18("5","4","4","10","2","2","1") = "9"
    & skf18("5","4","4","10","2","3","1") = "9"
    & skf18("5","4","4","10","2","4","1") = "9"
    & skf18("5","4","4","10","2","5","1") = "9"
    & skf18("5","4","4","10","2","6","1") = "9"
    & skf18("5","4","4","10","2","7","1") = "9"
    & skf18("5","4","4","10","2","8","1") = "9"
    & skf18("5","4","4","10","2","9","1") = "9"
    & skf18("5","4","4","10","2","10","1") = "9"
    & skf18("5","4","4","10","3","1","1") = "9"
    & skf18("5","4","4","10","3","2","1") = "9"
    & skf18("5","4","4","10","3","3","1") = "9"
    & skf18("5","4","4","10","3","4","1") = "9"
    & skf18("5","4","4","10","3","5","1") = "9"
    & skf18("5","4","4","10","3","6","1") = "9"
    & skf18("5","4","4","10","3","7","1") = "9"
    & skf18("5","4","4","10","3","8","1") = "9"
    & skf18("5","4","4","10","3","9","1") = "9"
    & skf18("5","4","4","10","3","10","1") = "9"
    & skf18("5","4","4","10","4","1","1") = "9"
    & skf18("5","4","4","10","4","2","1") = "9"
    & skf18("5","4","4","10","4","3","1") = "9"
    & skf18("5","4","4","10","4","4","1") = "9"
    & skf18("5","4","4","10","4","5","1") = "9"
    & skf18("5","4","4","10","4","6","1") = "9"
    & skf18("5","4","4","10","4","7","1") = "9"
    & skf18("5","4","4","10","4","8","1") = "9"
    & skf18("5","4","4","10","4","9","1") = "9"
    & skf18("5","4","4","10","4","10","1") = "9"
    & skf18("5","4","4","10","5","1","1") = "9"
    & skf18("5","4","4","10","5","2","1") = "9"
    & skf18("5","4","4","10","5","3","1") = "9"
    & skf18("5","4","4","10","5","4","1") = "9"
    & skf18("5","4","4","10","5","5","1") = "9"
    & skf18("5","4","4","10","5","6","1") = "9"
    & skf18("5","4","4","10","5","7","1") = "9"
    & skf18("5","4","4","10","5","8","1") = "9"
    & skf18("5","4","4","10","5","9","1") = "9"
    & skf18("5","4","4","10","5","10","1") = "9"
    & skf18("5","4","4","10","6","1","1") = "9"
    & skf18("5","4","4","10","6","2","1") = "9"
    & skf18("5","4","4","10","6","3","1") = "9"
    & skf18("5","4","4","10","6","4","1") = "9"
    & skf18("5","4","4","10","6","5","1") = "9"
    & skf18("5","4","4","10","6","6","1") = "9"
    & skf18("5","4","4","10","6","7","1") = "9"
    & skf18("5","4","4","10","6","8","1") = "9"
    & skf18("5","4","4","10","6","9","1") = "9"
    & skf18("5","4","4","10","6","10","1") = "9"
    & skf18("5","4","4","10","7","1","1") = "9"
    & skf18("5","4","4","10","7","2","1") = "9"
    & skf18("5","4","4","10","7","3","1") = "9"
    & skf18("5","4","4","10","7","4","1") = "9"
    & skf18("5","4","4","10","7","5","1") = "9"
    & skf18("5","4","4","10","7","6","1") = "9"
    & skf18("5","4","4","10","7","7","1") = "9"
    & skf18("5","4","4","10","7","8","1") = "9"
    & skf18("5","4","4","10","7","9","1") = "9"
    & skf18("5","4","4","10","7","10","1") = "9"
    & skf18("5","4","4","10","8","1","1") = "9"
    & skf18("5","4","4","10","8","2","1") = "9"
    & skf18("5","4","4","10","8","3","1") = "9"
    & skf18("5","4","4","10","8","4","1") = "9"
    & skf18("5","4","4","10","8","5","1") = "9"
    & skf18("5","4","4","10","8","6","1") = "9"
    & skf18("5","4","4","10","8","7","1") = "9"
    & skf18("5","4","4","10","8","8","1") = "9"
    & skf18("5","4","4","10","8","9","1") = "9"
    & skf18("5","4","4","10","8","10","1") = "9"
    & skf18("5","4","4","10","9","1","1") = "9"
    & skf18("5","4","4","10","9","2","1") = "9"
    & skf18("5","4","4","10","9","3","1") = "9"
    & skf18("5","4","4","10","9","4","1") = "9"
    & skf18("5","4","4","10","9","5","1") = "9"
    & skf18("5","4","4","10","9","6","1") = "9"
    & skf18("5","4","4","10","9","7","1") = "9"
    & skf18("5","4","4","10","9","8","1") = "9"
    & skf18("5","4","4","10","9","9","1") = "9"
    & skf18("5","4","4","10","9","10","1") = "9"
    & skf18("5","4","4","10","10","1","1") = "9"
    & skf18("5","4","4","10","10","2","1") = "9"
    & skf18("5","4","4","10","10","3","1") = "9"
    & skf18("5","4","4","10","10","4","1") = "9"
    & skf18("5","4","4","10","10","5","1") = "9"
    & skf18("5","4","4","10","10","6","1") = "9"
    & skf18("5","4","4","10","10","7","1") = "9"
    & skf18("5","4","4","10","10","8","1") = "9"
    & skf18("5","4","4","10","10","9","1") = "9"
    & skf18("5","4","4","10","10","10","1") = "9"
    & skf18("5","4","5","1","1","1","1") = "4"
    & skf18("5","4","5","1","1","2","1") = "4"
    & skf18("5","4","5","1","1","3","1") = "4"
    & skf18("5","4","5","1","1","4","1") = "4"
    & skf18("5","4","5","1","1","5","1") = "4"
    & skf18("5","4","5","1","1","6","1") = "5"
    & skf18("5","4","5","1","1","7","1") = "6"
    & skf18("5","4","5","1","1","8","1") = "7"
    & skf18("5","4","5","1","1","9","1") = "8"
    & skf18("5","4","5","1","1","10","1") = "9"
    & skf18("5","4","5","1","2","1","1") = "4"
    & skf18("5","4","5","1","2","2","1") = "4"
    & skf18("5","4","5","1","2","3","1") = "4"
    & skf18("5","4","5","1","2","4","1") = "4"
    & skf18("5","4","5","1","2","5","1") = "4"
    & skf18("5","4","5","1","2","6","1") = "5"
    & skf18("5","4","5","1","2","7","1") = "6"
    & skf18("5","4","5","1","2","8","1") = "7"
    & skf18("5","4","5","1","2","9","1") = "8"
    & skf18("5","4","5","1","2","10","1") = "9"
    & skf18("5","4","5","1","3","1","1") = "4"
    & skf18("5","4","5","1","3","2","1") = "4"
    & skf18("5","4","5","1","3","3","1") = "4"
    & skf18("5","4","5","1","3","4","1") = "4"
    & skf18("5","4","5","1","3","5","1") = "4"
    & skf18("5","4","5","1","3","6","1") = "5"
    & skf18("5","4","5","1","3","7","1") = "6"
    & skf18("5","4","5","1","3","8","1") = "7"
    & skf18("5","4","5","1","3","9","1") = "8"
    & skf18("5","4","5","1","3","10","1") = "9"
    & skf18("5","4","5","1","4","1","1") = "4"
    & skf18("5","4","5","1","4","2","1") = "4"
    & skf18("5","4","5","1","4","3","1") = "4"
    & skf18("5","4","5","1","4","4","1") = "4"
    & skf18("5","4","5","1","4","5","1") = "4"
    & skf18("5","4","5","1","4","6","1") = "5"
    & skf18("5","4","5","1","4","7","1") = "6"
    & skf18("5","4","5","1","4","8","1") = "7"
    & skf18("5","4","5","1","4","9","1") = "8"
    & skf18("5","4","5","1","4","10","1") = "9"
    & skf18("5","4","5","1","5","1","1") = "4"
    & skf18("5","4","5","1","5","2","1") = "4"
    & skf18("5","4","5","1","5","3","1") = "4"
    & skf18("5","4","5","1","5","4","1") = "4"
    & skf18("5","4","5","1","5","5","1") = "4"
    & skf18("5","4","5","1","5","6","1") = "5"
    & skf18("5","4","5","1","5","7","1") = "6"
    & skf18("5","4","5","1","5","8","1") = "7"
    & skf18("5","4","5","1","5","9","1") = "8"
    & skf18("5","4","5","1","5","10","1") = "9"
    & skf18("5","4","5","1","6","1","1") = "5"
    & skf18("5","4","5","1","6","2","1") = "5"
    & skf18("5","4","5","1","6","3","1") = "5"
    & skf18("5","4","5","1","6","4","1") = "5"
    & skf18("5","4","5","1","6","5","1") = "5"
    & skf18("5","4","5","1","6","6","1") = "5"
    & skf18("5","4","5","1","6","7","1") = "6"
    & skf18("5","4","5","1","6","8","1") = "7"
    & skf18("5","4","5","1","6","9","1") = "8"
    & skf18("5","4","5","1","6","10","1") = "9"
    & skf18("5","4","5","1","7","1","1") = "6"
    & skf18("5","4","5","1","7","2","1") = "6"
    & skf18("5","4","5","1","7","3","1") = "6"
    & skf18("5","4","5","1","7","4","1") = "6"
    & skf18("5","4","5","1","7","5","1") = "6"
    & skf18("5","4","5","1","7","6","1") = "6"
    & skf18("5","4","5","1","7","7","1") = "6"
    & skf18("5","4","5","1","7","8","1") = "7"
    & skf18("5","4","5","1","7","9","1") = "8"
    & skf18("5","4","5","1","7","10","1") = "9"
    & skf18("5","4","5","1","8","1","1") = "7"
    & skf18("5","4","5","1","8","2","1") = "7"
    & skf18("5","4","5","1","8","3","1") = "7"
    & skf18("5","4","5","1","8","4","1") = "7"
    & skf18("5","4","5","1","8","5","1") = "7"
    & skf18("5","4","5","1","8","6","1") = "7"
    & skf18("5","4","5","1","8","7","1") = "7"
    & skf18("5","4","5","1","8","8","1") = "7"
    & skf18("5","4","5","1","8","9","1") = "8"
    & skf18("5","4","5","1","8","10","1") = "9"
    & skf18("5","4","5","1","9","1","1") = "8"
    & skf18("5","4","5","1","9","2","1") = "8"
    & skf18("5","4","5","1","9","3","1") = "8"
    & skf18("5","4","5","1","9","4","1") = "8"
    & skf18("5","4","5","1","9","5","1") = "8"
    & skf18("5","4","5","1","9","6","1") = "8"
    & skf18("5","4","5","1","9","7","1") = "8"
    & skf18("5","4","5","1","9","8","1") = "8"
    & skf18("5","4","5","1","9","9","1") = "8"
    & skf18("5","4","5","1","9","10","1") = "9"
    & skf18("5","4","5","1","10","1","1") = "9"
    & skf18("5","4","5","1","10","2","1") = "9"
    & skf18("5","4","5","1","10","3","1") = "9"
    & skf18("5","4","5","1","10","4","1") = "9"
    & skf18("5","4","5","1","10","5","1") = "9"
    & skf18("5","4","5","1","10","6","1") = "9"
    & skf18("5","4","5","1","10","7","1") = "9"
    & skf18("5","4","5","1","10","8","1") = "9"
    & skf18("5","4","5","1","10","9","1") = "9"
    & skf18("5","4","5","1","10","10","1") = "9"
    & skf18("5","4","5","2","1","1","1") = "4"
    & skf18("5","4","5","2","1","2","1") = "4"
    & skf18("5","4","5","2","1","3","1") = "4"
    & skf18("5","4","5","2","1","4","1") = "4"
    & skf18("5","4","5","2","1","5","1") = "4"
    & skf18("5","4","5","2","1","6","1") = "5"
    & skf18("5","4","5","2","1","7","1") = "6"
    & skf18("5","4","5","2","1","8","1") = "7"
    & skf18("5","4","5","2","1","9","1") = "8"
    & skf18("5","4","5","2","1","10","1") = "9"
    & skf18("5","4","5","2","2","1","1") = "4"
    & skf18("5","4","5","2","2","2","1") = "4"
    & skf18("5","4","5","2","2","3","1") = "4"
    & skf18("5","4","5","2","2","4","1") = "4"
    & skf18("5","4","5","2","2","5","1") = "4"
    & skf18("5","4","5","2","2","6","1") = "5"
    & skf18("5","4","5","2","2","7","1") = "6"
    & skf18("5","4","5","2","2","8","1") = "7"
    & skf18("5","4","5","2","2","9","1") = "8"
    & skf18("5","4","5","2","2","10","1") = "9"
    & skf18("5","4","5","2","3","1","1") = "4"
    & skf18("5","4","5","2","3","2","1") = "4"
    & skf18("5","4","5","2","3","3","1") = "4"
    & skf18("5","4","5","2","3","4","1") = "4"
    & skf18("5","4","5","2","3","5","1") = "4"
    & skf18("5","4","5","2","3","6","1") = "5"
    & skf18("5","4","5","2","3","7","1") = "6"
    & skf18("5","4","5","2","3","8","1") = "7"
    & skf18("5","4","5","2","3","9","1") = "8"
    & skf18("5","4","5","2","3","10","1") = "9"
    & skf18("5","4","5","2","4","1","1") = "4"
    & skf18("5","4","5","2","4","2","1") = "4"
    & skf18("5","4","5","2","4","3","1") = "4"
    & skf18("5","4","5","2","4","4","1") = "4"
    & skf18("5","4","5","2","4","5","1") = "4"
    & skf18("5","4","5","2","4","6","1") = "5"
    & skf18("5","4","5","2","4","7","1") = "6"
    & skf18("5","4","5","2","4","8","1") = "7"
    & skf18("5","4","5","2","4","9","1") = "8"
    & skf18("5","4","5","2","4","10","1") = "9"
    & skf18("5","4","5","2","5","1","1") = "4"
    & skf18("5","4","5","2","5","2","1") = "4"
    & skf18("5","4","5","2","5","3","1") = "4"
    & skf18("5","4","5","2","5","4","1") = "4"
    & skf18("5","4","5","2","5","5","1") = "4"
    & skf18("5","4","5","2","5","6","1") = "5"
    & skf18("5","4","5","2","5","7","1") = "6"
    & skf18("5","4","5","2","5","8","1") = "7"
    & skf18("5","4","5","2","5","9","1") = "8"
    & skf18("5","4","5","2","5","10","1") = "9"
    & skf18("5","4","5","2","6","1","1") = "5"
    & skf18("5","4","5","2","6","2","1") = "5"
    & skf18("5","4","5","2","6","3","1") = "5"
    & skf18("5","4","5","2","6","4","1") = "5"
    & skf18("5","4","5","2","6","5","1") = "5"
    & skf18("5","4","5","2","6","6","1") = "5"
    & skf18("5","4","5","2","6","7","1") = "6"
    & skf18("5","4","5","2","6","8","1") = "7"
    & skf18("5","4","5","2","6","9","1") = "8"
    & skf18("5","4","5","2","6","10","1") = "9"
    & skf18("5","4","5","2","7","1","1") = "6"
    & skf18("5","4","5","2","7","2","1") = "6"
    & skf18("5","4","5","2","7","3","1") = "6"
    & skf18("5","4","5","2","7","4","1") = "6"
    & skf18("5","4","5","2","7","5","1") = "6"
    & skf18("5","4","5","2","7","6","1") = "6"
    & skf18("5","4","5","2","7","7","1") = "6"
    & skf18("5","4","5","2","7","8","1") = "7"
    & skf18("5","4","5","2","7","9","1") = "8"
    & skf18("5","4","5","2","7","10","1") = "9"
    & skf18("5","4","5","2","8","1","1") = "7"
    & skf18("5","4","5","2","8","2","1") = "7"
    & skf18("5","4","5","2","8","3","1") = "7"
    & skf18("5","4","5","2","8","4","1") = "7"
    & skf18("5","4","5","2","8","5","1") = "7"
    & skf18("5","4","5","2","8","6","1") = "7"
    & skf18("5","4","5","2","8","7","1") = "7"
    & skf18("5","4","5","2","8","8","1") = "7"
    & skf18("5","4","5","2","8","9","1") = "8"
    & skf18("5","4","5","2","8","10","1") = "9"
    & skf18("5","4","5","2","9","1","1") = "8"
    & skf18("5","4","5","2","9","2","1") = "8"
    & skf18("5","4","5","2","9","3","1") = "8"
    & skf18("5","4","5","2","9","4","1") = "8"
    & skf18("5","4","5","2","9","5","1") = "8"
    & skf18("5","4","5","2","9","6","1") = "8"
    & skf18("5","4","5","2","9","7","1") = "8"
    & skf18("5","4","5","2","9","8","1") = "8"
    & skf18("5","4","5","2","9","9","1") = "8"
    & skf18("5","4","5","2","9","10","1") = "9"
    & skf18("5","4","5","2","10","1","1") = "9"
    & skf18("5","4","5","2","10","2","1") = "9"
    & skf18("5","4","5","2","10","3","1") = "9"
    & skf18("5","4","5","2","10","4","1") = "9"
    & skf18("5","4","5","2","10","5","1") = "9"
    & skf18("5","4","5","2","10","6","1") = "9"
    & skf18("5","4","5","2","10","7","1") = "9"
    & skf18("5","4","5","2","10","8","1") = "9"
    & skf18("5","4","5","2","10","9","1") = "9"
    & skf18("5","4","5","2","10","10","1") = "9"
    & skf18("5","4","5","3","1","1","1") = "4"
    & skf18("5","4","5","3","1","2","1") = "4"
    & skf18("5","4","5","3","1","3","1") = "4"
    & skf18("5","4","5","3","1","4","1") = "4"
    & skf18("5","4","5","3","1","5","1") = "4"
    & skf18("5","4","5","3","1","6","1") = "5"
    & skf18("5","4","5","3","1","7","1") = "6"
    & skf18("5","4","5","3","1","8","1") = "7"
    & skf18("5","4","5","3","1","9","1") = "8"
    & skf18("5","4","5","3","1","10","1") = "9"
    & skf18("5","4","5","3","2","1","1") = "4"
    & skf18("5","4","5","3","2","2","1") = "4"
    & skf18("5","4","5","3","2","3","1") = "4"
    & skf18("5","4","5","3","2","4","1") = "4"
    & skf18("5","4","5","3","2","5","1") = "4"
    & skf18("5","4","5","3","2","6","1") = "5"
    & skf18("5","4","5","3","2","7","1") = "6"
    & skf18("5","4","5","3","2","8","1") = "7"
    & skf18("5","4","5","3","2","9","1") = "8"
    & skf18("5","4","5","3","2","10","1") = "9"
    & skf18("5","4","5","3","3","1","1") = "4"
    & skf18("5","4","5","3","3","2","1") = "4"
    & skf18("5","4","5","3","3","3","1") = "4"
    & skf18("5","4","5","3","3","4","1") = "4"
    & skf18("5","4","5","3","3","5","1") = "4"
    & skf18("5","4","5","3","3","6","1") = "5"
    & skf18("5","4","5","3","3","7","1") = "6"
    & skf18("5","4","5","3","3","8","1") = "7"
    & skf18("5","4","5","3","3","9","1") = "8"
    & skf18("5","4","5","3","3","10","1") = "9"
    & skf18("5","4","5","3","4","1","1") = "4"
    & skf18("5","4","5","3","4","2","1") = "4"
    & skf18("5","4","5","3","4","3","1") = "4"
    & skf18("5","4","5","3","4","4","1") = "4"
    & skf18("5","4","5","3","4","5","1") = "4"
    & skf18("5","4","5","3","4","6","1") = "5"
    & skf18("5","4","5","3","4","7","1") = "6"
    & skf18("5","4","5","3","4","8","1") = "7"
    & skf18("5","4","5","3","4","9","1") = "8"
    & skf18("5","4","5","3","4","10","1") = "9"
    & skf18("5","4","5","3","5","1","1") = "4"
    & skf18("5","4","5","3","5","2","1") = "4"
    & skf18("5","4","5","3","5","3","1") = "4"
    & skf18("5","4","5","3","5","4","1") = "4"
    & skf18("5","4","5","3","5","5","1") = "4"
    & skf18("5","4","5","3","5","6","1") = "5"
    & skf18("5","4","5","3","5","7","1") = "6"
    & skf18("5","4","5","3","5","8","1") = "7"
    & skf18("5","4","5","3","5","9","1") = "8"
    & skf18("5","4","5","3","5","10","1") = "9"
    & skf18("5","4","5","3","6","1","1") = "5"
    & skf18("5","4","5","3","6","2","1") = "5"
    & skf18("5","4","5","3","6","3","1") = "5"
    & skf18("5","4","5","3","6","4","1") = "5"
    & skf18("5","4","5","3","6","5","1") = "5"
    & skf18("5","4","5","3","6","6","1") = "5"
    & skf18("5","4","5","3","6","7","1") = "6"
    & skf18("5","4","5","3","6","8","1") = "7"
    & skf18("5","4","5","3","6","9","1") = "8"
    & skf18("5","4","5","3","6","10","1") = "9"
    & skf18("5","4","5","3","7","1","1") = "6"
    & skf18("5","4","5","3","7","2","1") = "6"
    & skf18("5","4","5","3","7","3","1") = "6"
    & skf18("5","4","5","3","7","4","1") = "6"
    & skf18("5","4","5","3","7","5","1") = "6"
    & skf18("5","4","5","3","7","6","1") = "6"
    & skf18("5","4","5","3","7","7","1") = "6"
    & skf18("5","4","5","3","7","8","1") = "7"
    & skf18("5","4","5","3","7","9","1") = "8"
    & skf18("5","4","5","3","7","10","1") = "9"
    & skf18("5","4","5","3","8","1","1") = "7"
    & skf18("5","4","5","3","8","2","1") = "7"
    & skf18("5","4","5","3","8","3","1") = "7"
    & skf18("5","4","5","3","8","4","1") = "7"
    & skf18("5","4","5","3","8","5","1") = "7"
    & skf18("5","4","5","3","8","6","1") = "7"
    & skf18("5","4","5","3","8","7","1") = "7"
    & skf18("5","4","5","3","8","8","1") = "7"
    & skf18("5","4","5","3","8","9","1") = "8"
    & skf18("5","4","5","3","8","10","1") = "9"
    & skf18("5","4","5","3","9","1","1") = "8"
    & skf18("5","4","5","3","9","2","1") = "8"
    & skf18("5","4","5","3","9","3","1") = "8"
    & skf18("5","4","5","3","9","4","1") = "8"
    & skf18("5","4","5","3","9","5","1") = "8"
    & skf18("5","4","5","3","9","6","1") = "8"
    & skf18("5","4","5","3","9","7","1") = "8"
    & skf18("5","4","5","3","9","8","1") = "8"
    & skf18("5","4","5","3","9","9","1") = "8"
    & skf18("5","4","5","3","9","10","1") = "9"
    & skf18("5","4","5","3","10","1","1") = "9"
    & skf18("5","4","5","3","10","2","1") = "9"
    & skf18("5","4","5","3","10","3","1") = "9"
    & skf18("5","4","5","3","10","4","1") = "9"
    & skf18("5","4","5","3","10","5","1") = "9"
    & skf18("5","4","5","3","10","6","1") = "9"
    & skf18("5","4","5","3","10","7","1") = "9"
    & skf18("5","4","5","3","10","8","1") = "9"
    & skf18("5","4","5","3","10","9","1") = "9"
    & skf18("5","4","5","3","10","10","1") = "9"
    & skf18("5","4","5","4","1","1","1") = "4"
    & skf18("5","4","5","4","1","2","1") = "4"
    & skf18("5","4","5","4","1","3","1") = "4"
    & skf18("5","4","5","4","1","4","1") = "4"
    & skf18("5","4","5","4","1","5","1") = "4"
    & skf18("5","4","5","4","1","6","1") = "5"
    & skf18("5","4","5","4","1","7","1") = "6"
    & skf18("5","4","5","4","1","8","1") = "7"
    & skf18("5","4","5","4","1","9","1") = "8"
    & skf18("5","4","5","4","1","10","1") = "9"
    & skf18("5","4","5","4","2","1","1") = "4"
    & skf18("5","4","5","4","2","2","1") = "4"
    & skf18("5","4","5","4","2","3","1") = "4"
    & skf18("5","4","5","4","2","4","1") = "4"
    & skf18("5","4","5","4","2","5","1") = "4"
    & skf18("5","4","5","4","2","6","1") = "5"
    & skf18("5","4","5","4","2","7","1") = "6"
    & skf18("5","4","5","4","2","8","1") = "7"
    & skf18("5","4","5","4","2","9","1") = "8"
    & skf18("5","4","5","4","2","10","1") = "9"
    & skf18("5","4","5","4","3","1","1") = "4"
    & skf18("5","4","5","4","3","2","1") = "4"
    & skf18("5","4","5","4","3","3","1") = "4"
    & skf18("5","4","5","4","3","4","1") = "4"
    & skf18("5","4","5","4","3","5","1") = "4"
    & skf18("5","4","5","4","3","6","1") = "5"
    & skf18("5","4","5","4","3","7","1") = "6"
    & skf18("5","4","5","4","3","8","1") = "7"
    & skf18("5","4","5","4","3","9","1") = "8"
    & skf18("5","4","5","4","3","10","1") = "9"
    & skf18("5","4","5","4","4","1","1") = "4"
    & skf18("5","4","5","4","4","2","1") = "4"
    & skf18("5","4","5","4","4","3","1") = "4"
    & skf18("5","4","5","4","4","4","1") = "4"
    & skf18("5","4","5","4","4","5","1") = "4"
    & skf18("5","4","5","4","4","6","1") = "5"
    & skf18("5","4","5","4","4","7","1") = "6"
    & skf18("5","4","5","4","4","8","1") = "7"
    & skf18("5","4","5","4","4","9","1") = "8"
    & skf18("5","4","5","4","4","10","1") = "9"
    & skf18("5","4","5","4","5","1","1") = "4"
    & skf18("5","4","5","4","5","2","1") = "4"
    & skf18("5","4","5","4","5","3","1") = "4"
    & skf18("5","4","5","4","5","4","1") = "4"
    & skf18("5","4","5","4","5","5","1") = "4"
    & skf18("5","4","5","4","5","6","1") = "5"
    & skf18("5","4","5","4","5","7","1") = "6"
    & skf18("5","4","5","4","5","8","1") = "7"
    & skf18("5","4","5","4","5","9","1") = "8"
    & skf18("5","4","5","4","5","10","1") = "9"
    & skf18("5","4","5","4","6","1","1") = "5"
    & skf18("5","4","5","4","6","2","1") = "5"
    & skf18("5","4","5","4","6","3","1") = "5"
    & skf18("5","4","5","4","6","4","1") = "5"
    & skf18("5","4","5","4","6","5","1") = "5"
    & skf18("5","4","5","4","6","6","1") = "5"
    & skf18("5","4","5","4","6","7","1") = "6"
    & skf18("5","4","5","4","6","8","1") = "7"
    & skf18("5","4","5","4","6","9","1") = "8"
    & skf18("5","4","5","4","6","10","1") = "9"
    & skf18("5","4","5","4","7","1","1") = "6"
    & skf18("5","4","5","4","7","2","1") = "6"
    & skf18("5","4","5","4","7","3","1") = "6"
    & skf18("5","4","5","4","7","4","1") = "6"
    & skf18("5","4","5","4","7","5","1") = "6"
    & skf18("5","4","5","4","7","6","1") = "6"
    & skf18("5","4","5","4","7","7","1") = "6"
    & skf18("5","4","5","4","7","8","1") = "7"
    & skf18("5","4","5","4","7","9","1") = "8"
    & skf18("5","4","5","4","7","10","1") = "9"
    & skf18("5","4","5","4","8","1","1") = "7"
    & skf18("5","4","5","4","8","2","1") = "7"
    & skf18("5","4","5","4","8","3","1") = "7"
    & skf18("5","4","5","4","8","4","1") = "7"
    & skf18("5","4","5","4","8","5","1") = "7"
    & skf18("5","4","5","4","8","6","1") = "7"
    & skf18("5","4","5","4","8","7","1") = "7"
    & skf18("5","4","5","4","8","8","1") = "7"
    & skf18("5","4","5","4","8","9","1") = "8"
    & skf18("5","4","5","4","8","10","1") = "9"
    & skf18("5","4","5","4","9","1","1") = "8"
    & skf18("5","4","5","4","9","2","1") = "8"
    & skf18("5","4","5","4","9","3","1") = "8"
    & skf18("5","4","5","4","9","4","1") = "8"
    & skf18("5","4","5","4","9","5","1") = "8"
    & skf18("5","4","5","4","9","6","1") = "8"
    & skf18("5","4","5","4","9","7","1") = "8"
    & skf18("5","4","5","4","9","8","1") = "8"
    & skf18("5","4","5","4","9","9","1") = "8"
    & skf18("5","4","5","4","9","10","1") = "9"
    & skf18("5","4","5","4","10","1","1") = "9"
    & skf18("5","4","5","4","10","2","1") = "9"
    & skf18("5","4","5","4","10","3","1") = "9"
    & skf18("5","4","5","4","10","4","1") = "9"
    & skf18("5","4","5","4","10","5","1") = "9"
    & skf18("5","4","5","4","10","6","1") = "9"
    & skf18("5","4","5","4","10","7","1") = "9"
    & skf18("5","4","5","4","10","8","1") = "9"
    & skf18("5","4","5","4","10","9","1") = "9"
    & skf18("5","4","5","4","10","10","1") = "9"
    & skf18("5","4","5","5","1","1","1") = "4"
    & skf18("5","4","5","5","1","2","1") = "4"
    & skf18("5","4","5","5","1","3","1") = "4"
    & skf18("5","4","5","5","1","4","1") = "4"
    & skf18("5","4","5","5","1","5","1") = "4"
    & skf18("5","4","5","5","1","6","1") = "5"
    & skf18("5","4","5","5","1","7","1") = "6"
    & skf18("5","4","5","5","1","8","1") = "7"
    & skf18("5","4","5","5","1","9","1") = "8"
    & skf18("5","4","5","5","1","10","1") = "9"
    & skf18("5","4","5","5","2","1","1") = "4"
    & skf18("5","4","5","5","2","2","1") = "4"
    & skf18("5","4","5","5","2","3","1") = "4"
    & skf18("5","4","5","5","2","4","1") = "4"
    & skf18("5","4","5","5","2","5","1") = "4"
    & skf18("5","4","5","5","2","6","1") = "5"
    & skf18("5","4","5","5","2","7","1") = "6"
    & skf18("5","4","5","5","2","8","1") = "7"
    & skf18("5","4","5","5","2","9","1") = "8"
    & skf18("5","4","5","5","2","10","1") = "9"
    & skf18("5","4","5","5","3","1","1") = "4"
    & skf18("5","4","5","5","3","2","1") = "4"
    & skf18("5","4","5","5","3","3","1") = "4"
    & skf18("5","4","5","5","3","4","1") = "4"
    & skf18("5","4","5","5","3","5","1") = "4"
    & skf18("5","4","5","5","3","6","1") = "5"
    & skf18("5","4","5","5","3","7","1") = "6"
    & skf18("5","4","5","5","3","8","1") = "7"
    & skf18("5","4","5","5","3","9","1") = "8"
    & skf18("5","4","5","5","3","10","1") = "9"
    & skf18("5","4","5","5","4","1","1") = "4"
    & skf18("5","4","5","5","4","2","1") = "4"
    & skf18("5","4","5","5","4","3","1") = "4"
    & skf18("5","4","5","5","4","4","1") = "4"
    & skf18("5","4","5","5","4","5","1") = "4"
    & skf18("5","4","5","5","4","6","1") = "5"
    & skf18("5","4","5","5","4","7","1") = "6"
    & skf18("5","4","5","5","4","8","1") = "7"
    & skf18("5","4","5","5","4","9","1") = "8"
    & skf18("5","4","5","5","4","10","1") = "9"
    & skf18("5","4","5","5","5","1","1") = "4"
    & skf18("5","4","5","5","5","2","1") = "4"
    & skf18("5","4","5","5","5","3","1") = "4"
    & skf18("5","4","5","5","5","4","1") = "4"
    & skf18("5","4","5","5","5","5","1") = "4"
    & skf18("5","4","5","5","5","6","1") = "5"
    & skf18("5","4","5","5","5","7","1") = "6"
    & skf18("5","4","5","5","5","8","1") = "7"
    & skf18("5","4","5","5","5","9","1") = "8"
    & skf18("5","4","5","5","5","10","1") = "9"
    & skf18("5","4","5","5","6","1","1") = "5"
    & skf18("5","4","5","5","6","2","1") = "5"
    & skf18("5","4","5","5","6","3","1") = "5"
    & skf18("5","4","5","5","6","4","1") = "5"
    & skf18("5","4","5","5","6","5","1") = "5"
    & skf18("5","4","5","5","6","6","1") = "5"
    & skf18("5","4","5","5","6","7","1") = "6"
    & skf18("5","4","5","5","6","8","1") = "7"
    & skf18("5","4","5","5","6","9","1") = "8"
    & skf18("5","4","5","5","6","10","1") = "9"
    & skf18("5","4","5","5","7","1","1") = "6"
    & skf18("5","4","5","5","7","2","1") = "6"
    & skf18("5","4","5","5","7","3","1") = "6"
    & skf18("5","4","5","5","7","4","1") = "6"
    & skf18("5","4","5","5","7","5","1") = "6"
    & skf18("5","4","5","5","7","6","1") = "6"
    & skf18("5","4","5","5","7","7","1") = "6"
    & skf18("5","4","5","5","7","8","1") = "7"
    & skf18("5","4","5","5","7","9","1") = "8"
    & skf18("5","4","5","5","7","10","1") = "9"
    & skf18("5","4","5","5","8","1","1") = "7"
    & skf18("5","4","5","5","8","2","1") = "7"
    & skf18("5","4","5","5","8","3","1") = "7"
    & skf18("5","4","5","5","8","4","1") = "7"
    & skf18("5","4","5","5","8","5","1") = "7"
    & skf18("5","4","5","5","8","6","1") = "7"
    & skf18("5","4","5","5","8","7","1") = "7"
    & skf18("5","4","5","5","8","8","1") = "7"
    & skf18("5","4","5","5","8","9","1") = "8"
    & skf18("5","4","5","5","8","10","1") = "9"
    & skf18("5","4","5","5","9","1","1") = "8"
    & skf18("5","4","5","5","9","2","1") = "8"
    & skf18("5","4","5","5","9","3","1") = "8"
    & skf18("5","4","5","5","9","4","1") = "8"
    & skf18("5","4","5","5","9","5","1") = "8"
    & skf18("5","4","5","5","9","6","1") = "8"
    & skf18("5","4","5","5","9","7","1") = "8"
    & skf18("5","4","5","5","9","8","1") = "8"
    & skf18("5","4","5","5","9","9","1") = "8"
    & skf18("5","4","5","5","9","10","1") = "9"
    & skf18("5","4","5","5","10","1","1") = "9"
    & skf18("5","4","5","5","10","2","1") = "9"
    & skf18("5","4","5","5","10","3","1") = "9"
    & skf18("5","4","5","5","10","4","1") = "9"
    & skf18("5","4","5","5","10","5","1") = "9"
    & skf18("5","4","5","5","10","6","1") = "9"
    & skf18("5","4","5","5","10","7","1") = "9"
    & skf18("5","4","5","5","10","8","1") = "9"
    & skf18("5","4","5","5","10","9","1") = "9"
    & skf18("5","4","5","5","10","10","1") = "9"
    & skf18("5","4","5","6","1","1","1") = "5"
    & skf18("5","4","5","6","1","2","1") = "5"
    & skf18("5","4","5","6","1","3","1") = "5"
    & skf18("5","4","5","6","1","4","1") = "5"
    & skf18("5","4","5","6","1","5","1") = "5"
    & skf18("5","4","5","6","1","6","1") = "5"
    & skf18("5","4","5","6","1","7","1") = "6"
    & skf18("5","4","5","6","1","8","1") = "7"
    & skf18("5","4","5","6","1","9","1") = "8"
    & skf18("5","4","5","6","1","10","1") = "9"
    & skf18("5","4","5","6","2","1","1") = "5"
    & skf18("5","4","5","6","2","2","1") = "5"
    & skf18("5","4","5","6","2","3","1") = "5"
    & skf18("5","4","5","6","2","4","1") = "5"
    & skf18("5","4","5","6","2","5","1") = "5"
    & skf18("5","4","5","6","2","6","1") = "5"
    & skf18("5","4","5","6","2","7","1") = "6"
    & skf18("5","4","5","6","2","8","1") = "7"
    & skf18("5","4","5","6","2","9","1") = "8"
    & skf18("5","4","5","6","2","10","1") = "9"
    & skf18("5","4","5","6","3","1","1") = "5"
    & skf18("5","4","5","6","3","2","1") = "5"
    & skf18("5","4","5","6","3","3","1") = "5"
    & skf18("5","4","5","6","3","4","1") = "5"
    & skf18("5","4","5","6","3","5","1") = "5"
    & skf18("5","4","5","6","3","6","1") = "5"
    & skf18("5","4","5","6","3","7","1") = "6"
    & skf18("5","4","5","6","3","8","1") = "7"
    & skf18("5","4","5","6","3","9","1") = "8"
    & skf18("5","4","5","6","3","10","1") = "9"
    & skf18("5","4","5","6","4","1","1") = "5"
    & skf18("5","4","5","6","4","2","1") = "5"
    & skf18("5","4","5","6","4","3","1") = "5"
    & skf18("5","4","5","6","4","4","1") = "5"
    & skf18("5","4","5","6","4","5","1") = "5"
    & skf18("5","4","5","6","4","6","1") = "5"
    & skf18("5","4","5","6","4","7","1") = "6"
    & skf18("5","4","5","6","4","8","1") = "7"
    & skf18("5","4","5","6","4","9","1") = "8"
    & skf18("5","4","5","6","4","10","1") = "9"
    & skf18("5","4","5","6","5","1","1") = "5"
    & skf18("5","4","5","6","5","2","1") = "5"
    & skf18("5","4","5","6","5","3","1") = "5"
    & skf18("5","4","5","6","5","4","1") = "5"
    & skf18("5","4","5","6","5","5","1") = "5"
    & skf18("5","4","5","6","5","6","1") = "5"
    & skf18("5","4","5","6","5","7","1") = "6"
    & skf18("5","4","5","6","5","8","1") = "7"
    & skf18("5","4","5","6","5","9","1") = "8"
    & skf18("5","4","5","6","5","10","1") = "9"
    & skf18("5","4","5","6","6","1","1") = "5"
    & skf18("5","4","5","6","6","2","1") = "5"
    & skf18("5","4","5","6","6","3","1") = "5"
    & skf18("5","4","5","6","6","4","1") = "5"
    & skf18("5","4","5","6","6","5","1") = "5"
    & skf18("5","4","5","6","6","6","1") = "5"
    & skf18("5","4","5","6","6","7","1") = "6"
    & skf18("5","4","5","6","6","8","1") = "7"
    & skf18("5","4","5","6","6","9","1") = "8"
    & skf18("5","4","5","6","6","10","1") = "9"
    & skf18("5","4","5","6","7","1","1") = "6"
    & skf18("5","4","5","6","7","2","1") = "6"
    & skf18("5","4","5","6","7","3","1") = "6"
    & skf18("5","4","5","6","7","4","1") = "6"
    & skf18("5","4","5","6","7","5","1") = "6"
    & skf18("5","4","5","6","7","6","1") = "6"
    & skf18("5","4","5","6","7","7","1") = "6"
    & skf18("5","4","5","6","7","8","1") = "7"
    & skf18("5","4","5","6","7","9","1") = "8"
    & skf18("5","4","5","6","7","10","1") = "9"
    & skf18("5","4","5","6","8","1","1") = "7"
    & skf18("5","4","5","6","8","2","1") = "7"
    & skf18("5","4","5","6","8","3","1") = "7"
    & skf18("5","4","5","6","8","4","1") = "7"
    & skf18("5","4","5","6","8","5","1") = "7"
    & skf18("5","4","5","6","8","6","1") = "7"
    & skf18("5","4","5","6","8","7","1") = "7"
    & skf18("5","4","5","6","8","8","1") = "7"
    & skf18("5","4","5","6","8","9","1") = "8"
    & skf18("5","4","5","6","8","10","1") = "9"
    & skf18("5","4","5","6","9","1","1") = "8"
    & skf18("5","4","5","6","9","2","1") = "8"
    & skf18("5","4","5","6","9","3","1") = "8"
    & skf18("5","4","5","6","9","4","1") = "8"
    & skf18("5","4","5","6","9","5","1") = "8"
    & skf18("5","4","5","6","9","6","1") = "8"
    & skf18("5","4","5","6","9","7","1") = "8"
    & skf18("5","4","5","6","9","8","1") = "8"
    & skf18("5","4","5","6","9","9","1") = "8"
    & skf18("5","4","5","6","9","10","1") = "9"
    & skf18("5","4","5","6","10","1","1") = "9"
    & skf18("5","4","5","6","10","2","1") = "9"
    & skf18("5","4","5","6","10","3","1") = "9"
    & skf18("5","4","5","6","10","4","1") = "9"
    & skf18("5","4","5","6","10","5","1") = "9"
    & skf18("5","4","5","6","10","6","1") = "9"
    & skf18("5","4","5","6","10","7","1") = "9"
    & skf18("5","4","5","6","10","8","1") = "9"
    & skf18("5","4","5","6","10","9","1") = "9"
    & skf18("5","4","5","6","10","10","1") = "9"
    & skf18("5","4","5","7","1","1","1") = "6"
    & skf18("5","4","5","7","1","2","1") = "6"
    & skf18("5","4","5","7","1","3","1") = "6"
    & skf18("5","4","5","7","1","4","1") = "6"
    & skf18("5","4","5","7","1","5","1") = "6"
    & skf18("5","4","5","7","1","6","1") = "6"
    & skf18("5","4","5","7","1","7","1") = "6"
    & skf18("5","4","5","7","1","8","1") = "7"
    & skf18("5","4","5","7","1","9","1") = "8"
    & skf18("5","4","5","7","1","10","1") = "9"
    & skf18("5","4","5","7","2","1","1") = "6"
    & skf18("5","4","5","7","2","2","1") = "6"
    & skf18("5","4","5","7","2","3","1") = "6"
    & skf18("5","4","5","7","2","4","1") = "6"
    & skf18("5","4","5","7","2","5","1") = "6"
    & skf18("5","4","5","7","2","6","1") = "6"
    & skf18("5","4","5","7","2","7","1") = "6"
    & skf18("5","4","5","7","2","8","1") = "7"
    & skf18("5","4","5","7","2","9","1") = "8"
    & skf18("5","4","5","7","2","10","1") = "9"
    & skf18("5","4","5","7","3","1","1") = "6"
    & skf18("5","4","5","7","3","2","1") = "6"
    & skf18("5","4","5","7","3","3","1") = "6"
    & skf18("5","4","5","7","3","4","1") = "6"
    & skf18("5","4","5","7","3","5","1") = "6"
    & skf18("5","4","5","7","3","6","1") = "6"
    & skf18("5","4","5","7","3","7","1") = "6"
    & skf18("5","4","5","7","3","8","1") = "7"
    & skf18("5","4","5","7","3","9","1") = "8"
    & skf18("5","4","5","7","3","10","1") = "9"
    & skf18("5","4","5","7","4","1","1") = "6"
    & skf18("5","4","5","7","4","2","1") = "6"
    & skf18("5","4","5","7","4","3","1") = "6"
    & skf18("5","4","5","7","4","4","1") = "6"
    & skf18("5","4","5","7","4","5","1") = "6"
    & skf18("5","4","5","7","4","6","1") = "6"
    & skf18("5","4","5","7","4","7","1") = "6"
    & skf18("5","4","5","7","4","8","1") = "7"
    & skf18("5","4","5","7","4","9","1") = "8"
    & skf18("5","4","5","7","4","10","1") = "9"
    & skf18("5","4","5","7","5","1","1") = "6"
    & skf18("5","4","5","7","5","2","1") = "6"
    & skf18("5","4","5","7","5","3","1") = "6"
    & skf18("5","4","5","7","5","4","1") = "6"
    & skf18("5","4","5","7","5","5","1") = "6"
    & skf18("5","4","5","7","5","6","1") = "6"
    & skf18("5","4","5","7","5","7","1") = "6"
    & skf18("5","4","5","7","5","8","1") = "7"
    & skf18("5","4","5","7","5","9","1") = "8"
    & skf18("5","4","5","7","5","10","1") = "9"
    & skf18("5","4","5","7","6","1","1") = "6"
    & skf18("5","4","5","7","6","2","1") = "6"
    & skf18("5","4","5","7","6","3","1") = "6"
    & skf18("5","4","5","7","6","4","1") = "6"
    & skf18("5","4","5","7","6","5","1") = "6"
    & skf18("5","4","5","7","6","6","1") = "6"
    & skf18("5","4","5","7","6","7","1") = "6"
    & skf18("5","4","5","7","6","8","1") = "7"
    & skf18("5","4","5","7","6","9","1") = "8"
    & skf18("5","4","5","7","6","10","1") = "9"
    & skf18("5","4","5","7","7","1","1") = "6"
    & skf18("5","4","5","7","7","2","1") = "6"
    & skf18("5","4","5","7","7","3","1") = "6"
    & skf18("5","4","5","7","7","4","1") = "6"
    & skf18("5","4","5","7","7","5","1") = "6"
    & skf18("5","4","5","7","7","6","1") = "6"
    & skf18("5","4","5","7","7","7","1") = "6"
    & skf18("5","4","5","7","7","8","1") = "7"
    & skf18("5","4","5","7","7","9","1") = "8"
    & skf18("5","4","5","7","7","10","1") = "9"
    & skf18("5","4","5","7","8","1","1") = "7"
    & skf18("5","4","5","7","8","2","1") = "7"
    & skf18("5","4","5","7","8","3","1") = "7"
    & skf18("5","4","5","7","8","4","1") = "7"
    & skf18("5","4","5","7","8","5","1") = "7"
    & skf18("5","4","5","7","8","6","1") = "7"
    & skf18("5","4","5","7","8","7","1") = "7"
    & skf18("5","4","5","7","8","8","1") = "7"
    & skf18("5","4","5","7","8","9","1") = "8"
    & skf18("5","4","5","7","8","10","1") = "9"
    & skf18("5","4","5","7","9","1","1") = "8"
    & skf18("5","4","5","7","9","2","1") = "8"
    & skf18("5","4","5","7","9","3","1") = "8"
    & skf18("5","4","5","7","9","4","1") = "8"
    & skf18("5","4","5","7","9","5","1") = "8"
    & skf18("5","4","5","7","9","6","1") = "8"
    & skf18("5","4","5","7","9","7","1") = "8"
    & skf18("5","4","5","7","9","8","1") = "8"
    & skf18("5","4","5","7","9","9","1") = "8"
    & skf18("5","4","5","7","9","10","1") = "9"
    & skf18("5","4","5","7","10","1","1") = "9"
    & skf18("5","4","5","7","10","2","1") = "9"
    & skf18("5","4","5","7","10","3","1") = "9"
    & skf18("5","4","5","7","10","4","1") = "9"
    & skf18("5","4","5","7","10","5","1") = "9"
    & skf18("5","4","5","7","10","6","1") = "9"
    & skf18("5","4","5","7","10","7","1") = "9"
    & skf18("5","4","5","7","10","8","1") = "9"
    & skf18("5","4","5","7","10","9","1") = "9"
    & skf18("5","4","5","7","10","10","1") = "9"
    & skf18("5","4","5","8","1","1","1") = "7"
    & skf18("5","4","5","8","1","2","1") = "7"
    & skf18("5","4","5","8","1","3","1") = "7"
    & skf18("5","4","5","8","1","4","1") = "7"
    & skf18("5","4","5","8","1","5","1") = "7"
    & skf18("5","4","5","8","1","6","1") = "7"
    & skf18("5","4","5","8","1","7","1") = "7"
    & skf18("5","4","5","8","1","8","1") = "7"
    & skf18("5","4","5","8","1","9","1") = "8"
    & skf18("5","4","5","8","1","10","1") = "9"
    & skf18("5","4","5","8","2","1","1") = "7"
    & skf18("5","4","5","8","2","2","1") = "7"
    & skf18("5","4","5","8","2","3","1") = "7"
    & skf18("5","4","5","8","2","4","1") = "7"
    & skf18("5","4","5","8","2","5","1") = "7"
    & skf18("5","4","5","8","2","6","1") = "7"
    & skf18("5","4","5","8","2","7","1") = "7"
    & skf18("5","4","5","8","2","8","1") = "7"
    & skf18("5","4","5","8","2","9","1") = "8"
    & skf18("5","4","5","8","2","10","1") = "9"
    & skf18("5","4","5","8","3","1","1") = "7"
    & skf18("5","4","5","8","3","2","1") = "7"
    & skf18("5","4","5","8","3","3","1") = "7"
    & skf18("5","4","5","8","3","4","1") = "7"
    & skf18("5","4","5","8","3","5","1") = "7"
    & skf18("5","4","5","8","3","6","1") = "7"
    & skf18("5","4","5","8","3","7","1") = "7"
    & skf18("5","4","5","8","3","8","1") = "7"
    & skf18("5","4","5","8","3","9","1") = "8"
    & skf18("5","4","5","8","3","10","1") = "9"
    & skf18("5","4","5","8","4","1","1") = "7"
    & skf18("5","4","5","8","4","2","1") = "7"
    & skf18("5","4","5","8","4","3","1") = "7"
    & skf18("5","4","5","8","4","4","1") = "7"
    & skf18("5","4","5","8","4","5","1") = "7"
    & skf18("5","4","5","8","4","6","1") = "7"
    & skf18("5","4","5","8","4","7","1") = "7"
    & skf18("5","4","5","8","4","8","1") = "7"
    & skf18("5","4","5","8","4","9","1") = "8"
    & skf18("5","4","5","8","4","10","1") = "9"
    & skf18("5","4","5","8","5","1","1") = "7"
    & skf18("5","4","5","8","5","2","1") = "7"
    & skf18("5","4","5","8","5","3","1") = "7"
    & skf18("5","4","5","8","5","4","1") = "7"
    & skf18("5","4","5","8","5","5","1") = "7"
    & skf18("5","4","5","8","5","6","1") = "7"
    & skf18("5","4","5","8","5","7","1") = "7"
    & skf18("5","4","5","8","5","8","1") = "7"
    & skf18("5","4","5","8","5","9","1") = "8"
    & skf18("5","4","5","8","5","10","1") = "9"
    & skf18("5","4","5","8","6","1","1") = "7"
    & skf18("5","4","5","8","6","2","1") = "7"
    & skf18("5","4","5","8","6","3","1") = "7"
    & skf18("5","4","5","8","6","4","1") = "7"
    & skf18("5","4","5","8","6","5","1") = "7"
    & skf18("5","4","5","8","6","6","1") = "7"
    & skf18("5","4","5","8","6","7","1") = "7"
    & skf18("5","4","5","8","6","8","1") = "7"
    & skf18("5","4","5","8","6","9","1") = "8"
    & skf18("5","4","5","8","6","10","1") = "9"
    & skf18("5","4","5","8","7","1","1") = "7"
    & skf18("5","4","5","8","7","2","1") = "7"
    & skf18("5","4","5","8","7","3","1") = "7"
    & skf18("5","4","5","8","7","4","1") = "7"
    & skf18("5","4","5","8","7","5","1") = "7"
    & skf18("5","4","5","8","7","6","1") = "7"
    & skf18("5","4","5","8","7","7","1") = "7"
    & skf18("5","4","5","8","7","8","1") = "7"
    & skf18("5","4","5","8","7","9","1") = "8"
    & skf18("5","4","5","8","7","10","1") = "9"
    & skf18("5","4","5","8","8","1","1") = "7"
    & skf18("5","4","5","8","8","2","1") = "7"
    & skf18("5","4","5","8","8","3","1") = "7"
    & skf18("5","4","5","8","8","4","1") = "7"
    & skf18("5","4","5","8","8","5","1") = "7"
    & skf18("5","4","5","8","8","6","1") = "7"
    & skf18("5","4","5","8","8","7","1") = "7"
    & skf18("5","4","5","8","8","8","1") = "7"
    & skf18("5","4","5","8","8","9","1") = "8"
    & skf18("5","4","5","8","8","10","1") = "9"
    & skf18("5","4","5","8","9","1","1") = "8"
    & skf18("5","4","5","8","9","2","1") = "8"
    & skf18("5","4","5","8","9","3","1") = "8"
    & skf18("5","4","5","8","9","4","1") = "8"
    & skf18("5","4","5","8","9","5","1") = "8"
    & skf18("5","4","5","8","9","6","1") = "8"
    & skf18("5","4","5","8","9","7","1") = "8"
    & skf18("5","4","5","8","9","8","1") = "8"
    & skf18("5","4","5","8","9","9","1") = "8"
    & skf18("5","4","5","8","9","10","1") = "9"
    & skf18("5","4","5","8","10","1","1") = "9"
    & skf18("5","4","5","8","10","2","1") = "9"
    & skf18("5","4","5","8","10","3","1") = "9"
    & skf18("5","4","5","8","10","4","1") = "9"
    & skf18("5","4","5","8","10","5","1") = "9"
    & skf18("5","4","5","8","10","6","1") = "9"
    & skf18("5","4","5","8","10","7","1") = "9"
    & skf18("5","4","5","8","10","8","1") = "9"
    & skf18("5","4","5","8","10","9","1") = "9"
    & skf18("5","4","5","8","10","10","1") = "9"
    & skf18("5","4","5","9","1","1","1") = "8"
    & skf18("5","4","5","9","1","2","1") = "8"
    & skf18("5","4","5","9","1","3","1") = "8"
    & skf18("5","4","5","9","1","4","1") = "8"
    & skf18("5","4","5","9","1","5","1") = "8"
    & skf18("5","4","5","9","1","6","1") = "8"
    & skf18("5","4","5","9","1","7","1") = "8"
    & skf18("5","4","5","9","1","8","1") = "8"
    & skf18("5","4","5","9","1","9","1") = "8"
    & skf18("5","4","5","9","1","10","1") = "9"
    & skf18("5","4","5","9","2","1","1") = "8"
    & skf18("5","4","5","9","2","2","1") = "8"
    & skf18("5","4","5","9","2","3","1") = "8"
    & skf18("5","4","5","9","2","4","1") = "8"
    & skf18("5","4","5","9","2","5","1") = "8"
    & skf18("5","4","5","9","2","6","1") = "8"
    & skf18("5","4","5","9","2","7","1") = "8"
    & skf18("5","4","5","9","2","8","1") = "8"
    & skf18("5","4","5","9","2","9","1") = "8"
    & skf18("5","4","5","9","2","10","1") = "9"
    & skf18("5","4","5","9","3","1","1") = "8"
    & skf18("5","4","5","9","3","2","1") = "8"
    & skf18("5","4","5","9","3","3","1") = "8"
    & skf18("5","4","5","9","3","4","1") = "8"
    & skf18("5","4","5","9","3","5","1") = "8"
    & skf18("5","4","5","9","3","6","1") = "8"
    & skf18("5","4","5","9","3","7","1") = "8"
    & skf18("5","4","5","9","3","8","1") = "8"
    & skf18("5","4","5","9","3","9","1") = "8"
    & skf18("5","4","5","9","3","10","1") = "9"
    & skf18("5","4","5","9","4","1","1") = "8"
    & skf18("5","4","5","9","4","2","1") = "8"
    & skf18("5","4","5","9","4","3","1") = "8"
    & skf18("5","4","5","9","4","4","1") = "8"
    & skf18("5","4","5","9","4","5","1") = "8"
    & skf18("5","4","5","9","4","6","1") = "8"
    & skf18("5","4","5","9","4","7","1") = "8"
    & skf18("5","4","5","9","4","8","1") = "8"
    & skf18("5","4","5","9","4","9","1") = "8"
    & skf18("5","4","5","9","4","10","1") = "9"
    & skf18("5","4","5","9","5","1","1") = "8"
    & skf18("5","4","5","9","5","2","1") = "8"
    & skf18("5","4","5","9","5","3","1") = "8"
    & skf18("5","4","5","9","5","4","1") = "8"
    & skf18("5","4","5","9","5","5","1") = "8"
    & skf18("5","4","5","9","5","6","1") = "8"
    & skf18("5","4","5","9","5","7","1") = "8"
    & skf18("5","4","5","9","5","8","1") = "8"
    & skf18("5","4","5","9","5","9","1") = "8"
    & skf18("5","4","5","9","5","10","1") = "9"
    & skf18("5","4","5","9","6","1","1") = "8"
    & skf18("5","4","5","9","6","2","1") = "8"
    & skf18("5","4","5","9","6","3","1") = "8"
    & skf18("5","4","5","9","6","4","1") = "8"
    & skf18("5","4","5","9","6","5","1") = "8"
    & skf18("5","4","5","9","6","6","1") = "8"
    & skf18("5","4","5","9","6","7","1") = "8"
    & skf18("5","4","5","9","6","8","1") = "8"
    & skf18("5","4","5","9","6","9","1") = "8"
    & skf18("5","4","5","9","6","10","1") = "9"
    & skf18("5","4","5","9","7","1","1") = "8"
    & skf18("5","4","5","9","7","2","1") = "8"
    & skf18("5","4","5","9","7","3","1") = "8"
    & skf18("5","4","5","9","7","4","1") = "8"
    & skf18("5","4","5","9","7","5","1") = "8"
    & skf18("5","4","5","9","7","6","1") = "8"
    & skf18("5","4","5","9","7","7","1") = "8"
    & skf18("5","4","5","9","7","8","1") = "8"
    & skf18("5","4","5","9","7","9","1") = "8"
    & skf18("5","4","5","9","7","10","1") = "9"
    & skf18("5","4","5","9","8","1","1") = "8"
    & skf18("5","4","5","9","8","2","1") = "8"
    & skf18("5","4","5","9","8","3","1") = "8"
    & skf18("5","4","5","9","8","4","1") = "8"
    & skf18("5","4","5","9","8","5","1") = "8"
    & skf18("5","4","5","9","8","6","1") = "8"
    & skf18("5","4","5","9","8","7","1") = "8"
    & skf18("5","4","5","9","8","8","1") = "8"
    & skf18("5","4","5","9","8","9","1") = "8"
    & skf18("5","4","5","9","8","10","1") = "9"
    & skf18("5","4","5","9","9","1","1") = "8"
    & skf18("5","4","5","9","9","2","1") = "8"
    & skf18("5","4","5","9","9","3","1") = "8"
    & skf18("5","4","5","9","9","4","1") = "8"
    & skf18("5","4","5","9","9","5","1") = "8"
    & skf18("5","4","5","9","9","6","1") = "8"
    & skf18("5","4","5","9","9","7","1") = "8"
    & skf18("5","4","5","9","9","8","1") = "8"
    & skf18("5","4","5","9","9","9","1") = "8"
    & skf18("5","4","5","9","9","10","1") = "9"
    & skf18("5","4","5","9","10","1","1") = "9"
    & skf18("5","4","5","9","10","2","1") = "9"
    & skf18("5","4","5","9","10","3","1") = "9"
    & skf18("5","4","5","9","10","4","1") = "9"
    & skf18("5","4","5","9","10","5","1") = "9"
    & skf18("5","4","5","9","10","6","1") = "9"
    & skf18("5","4","5","9","10","7","1") = "9"
    & skf18("5","4","5","9","10","8","1") = "9"
    & skf18("5","4","5","9","10","9","1") = "9"
    & skf18("5","4","5","9","10","10","1") = "9"
    & skf18("5","4","5","10","1","1","1") = "9"
    & skf18("5","4","5","10","1","2","1") = "9"
    & skf18("5","4","5","10","1","3","1") = "9"
    & skf18("5","4","5","10","1","4","1") = "9"
    & skf18("5","4","5","10","1","5","1") = "9"
    & skf18("5","4","5","10","1","6","1") = "9"
    & skf18("5","4","5","10","1","7","1") = "9"
    & skf18("5","4","5","10","1","8","1") = "9"
    & skf18("5","4","5","10","1","9","1") = "9"
    & skf18("5","4","5","10","1","10","1") = "9"
    & skf18("5","4","5","10","2","1","1") = "9"
    & skf18("5","4","5","10","2","2","1") = "9"
    & skf18("5","4","5","10","2","3","1") = "9"
    & skf18("5","4","5","10","2","4","1") = "9"
    & skf18("5","4","5","10","2","5","1") = "9"
    & skf18("5","4","5","10","2","6","1") = "9"
    & skf18("5","4","5","10","2","7","1") = "9"
    & skf18("5","4","5","10","2","8","1") = "9"
    & skf18("5","4","5","10","2","9","1") = "9"
    & skf18("5","4","5","10","2","10","1") = "9"
    & skf18("5","4","5","10","3","1","1") = "9"
    & skf18("5","4","5","10","3","2","1") = "9"
    & skf18("5","4","5","10","3","3","1") = "9"
    & skf18("5","4","5","10","3","4","1") = "9"
    & skf18("5","4","5","10","3","5","1") = "9"
    & skf18("5","4","5","10","3","6","1") = "9"
    & skf18("5","4","5","10","3","7","1") = "9"
    & skf18("5","4","5","10","3","8","1") = "9"
    & skf18("5","4","5","10","3","9","1") = "9"
    & skf18("5","4","5","10","3","10","1") = "9"
    & skf18("5","4","5","10","4","1","1") = "9"
    & skf18("5","4","5","10","4","2","1") = "9"
    & skf18("5","4","5","10","4","3","1") = "9"
    & skf18("5","4","5","10","4","4","1") = "9"
    & skf18("5","4","5","10","4","5","1") = "9"
    & skf18("5","4","5","10","4","6","1") = "9"
    & skf18("5","4","5","10","4","7","1") = "9"
    & skf18("5","4","5","10","4","8","1") = "9"
    & skf18("5","4","5","10","4","9","1") = "9"
    & skf18("5","4","5","10","4","10","1") = "9"
    & skf18("5","4","5","10","5","1","1") = "9"
    & skf18("5","4","5","10","5","2","1") = "9"
    & skf18("5","4","5","10","5","3","1") = "9"
    & skf18("5","4","5","10","5","4","1") = "9"
    & skf18("5","4","5","10","5","5","1") = "9"
    & skf18("5","4","5","10","5","6","1") = "9"
    & skf18("5","4","5","10","5","7","1") = "9"
    & skf18("5","4","5","10","5","8","1") = "9"
    & skf18("5","4","5","10","5","9","1") = "9"
    & skf18("5","4","5","10","5","10","1") = "9"
    & skf18("5","4","5","10","6","1","1") = "9"
    & skf18("5","4","5","10","6","2","1") = "9"
    & skf18("5","4","5","10","6","3","1") = "9"
    & skf18("5","4","5","10","6","4","1") = "9"
    & skf18("5","4","5","10","6","5","1") = "9"
    & skf18("5","4","5","10","6","6","1") = "9"
    & skf18("5","4","5","10","6","7","1") = "9"
    & skf18("5","4","5","10","6","8","1") = "9"
    & skf18("5","4","5","10","6","9","1") = "9"
    & skf18("5","4","5","10","6","10","1") = "9"
    & skf18("5","4","5","10","7","1","1") = "9"
    & skf18("5","4","5","10","7","2","1") = "9"
    & skf18("5","4","5","10","7","3","1") = "9"
    & skf18("5","4","5","10","7","4","1") = "9"
    & skf18("5","4","5","10","7","5","1") = "9"
    & skf18("5","4","5","10","7","6","1") = "9"
    & skf18("5","4","5","10","7","7","1") = "9"
    & skf18("5","4","5","10","7","8","1") = "9"
    & skf18("5","4","5","10","7","9","1") = "9"
    & skf18("5","4","5","10","7","10","1") = "9"
    & skf18("5","4","5","10","8","1","1") = "9"
    & skf18("5","4","5","10","8","2","1") = "9"
    & skf18("5","4","5","10","8","3","1") = "9"
    & skf18("5","4","5","10","8","4","1") = "9"
    & skf18("5","4","5","10","8","5","1") = "9"
    & skf18("5","4","5","10","8","6","1") = "9"
    & skf18("5","4","5","10","8","7","1") = "9"
    & skf18("5","4","5","10","8","8","1") = "9"
    & skf18("5","4","5","10","8","9","1") = "9"
    & skf18("5","4","5","10","8","10","1") = "9"
    & skf18("5","4","5","10","9","1","1") = "9"
    & skf18("5","4","5","10","9","2","1") = "9"
    & skf18("5","4","5","10","9","3","1") = "9"
    & skf18("5","4","5","10","9","4","1") = "9"
    & skf18("5","4","5","10","9","5","1") = "9"
    & skf18("5","4","5","10","9","6","1") = "9"
    & skf18("5","4","5","10","9","7","1") = "9"
    & skf18("5","4","5","10","9","8","1") = "9"
    & skf18("5","4","5","10","9","9","1") = "9"
    & skf18("5","4","5","10","9","10","1") = "9"
    & skf18("5","4","5","10","10","1","1") = "9"
    & skf18("5","4","5","10","10","2","1") = "9"
    & skf18("5","4","5","10","10","3","1") = "9"
    & skf18("5","4","5","10","10","4","1") = "9"
    & skf18("5","4","5","10","10","5","1") = "9"
    & skf18("5","4","5","10","10","6","1") = "9"
    & skf18("5","4","5","10","10","7","1") = "9"
    & skf18("5","4","5","10","10","8","1") = "9"
    & skf18("5","4","5","10","10","9","1") = "9"
    & skf18("5","4","5","10","10","10","1") = "9"
    & skf18("5","4","6","1","1","1","1") = "5"
    & skf18("5","4","6","1","1","2","1") = "5"
    & skf18("5","4","6","1","1","3","1") = "5"
    & skf18("5","4","6","1","1","4","1") = "5"
    & skf18("5","4","6","1","1","5","1") = "5"
    & skf18("5","4","6","1","1","6","1") = "5"
    & skf18("5","4","6","1","1","7","1") = "6"
    & skf18("5","4","6","1","1","8","1") = "7"
    & skf18("5","4","6","1","1","9","1") = "8"
    & skf18("5","4","6","1","1","10","1") = "9"
    & skf18("5","4","6","1","2","1","1") = "5"
    & skf18("5","4","6","1","2","2","1") = "5"
    & skf18("5","4","6","1","2","3","1") = "5"
    & skf18("5","4","6","1","2","4","1") = "5"
    & skf18("5","4","6","1","2","5","1") = "5"
    & skf18("5","4","6","1","2","6","1") = "5"
    & skf18("5","4","6","1","2","7","1") = "6"
    & skf18("5","4","6","1","2","8","1") = "7"
    & skf18("5","4","6","1","2","9","1") = "8"
    & skf18("5","4","6","1","2","10","1") = "9"
    & skf18("5","4","6","1","3","1","1") = "5"
    & skf18("5","4","6","1","3","2","1") = "5"
    & skf18("5","4","6","1","3","3","1") = "5"
    & skf18("5","4","6","1","3","4","1") = "5"
    & skf18("5","4","6","1","3","5","1") = "5"
    & skf18("5","4","6","1","3","6","1") = "5"
    & skf18("5","4","6","1","3","7","1") = "6"
    & skf18("5","4","6","1","3","8","1") = "7"
    & skf18("5","4","6","1","3","9","1") = "8"
    & skf18("5","4","6","1","3","10","1") = "9"
    & skf18("5","4","6","1","4","1","1") = "5"
    & skf18("5","4","6","1","4","2","1") = "5"
    & skf18("5","4","6","1","4","3","1") = "5"
    & skf18("5","4","6","1","4","4","1") = "5"
    & skf18("5","4","6","1","4","5","1") = "5"
    & skf18("5","4","6","1","4","6","1") = "5"
    & skf18("5","4","6","1","4","7","1") = "6"
    & skf18("5","4","6","1","4","8","1") = "7"
    & skf18("5","4","6","1","4","9","1") = "8"
    & skf18("5","4","6","1","4","10","1") = "9"
    & skf18("5","4","6","1","5","1","1") = "5"
    & skf18("5","4","6","1","5","2","1") = "5"
    & skf18("5","4","6","1","5","3","1") = "5"
    & skf18("5","4","6","1","5","4","1") = "5"
    & skf18("5","4","6","1","5","5","1") = "5"
    & skf18("5","4","6","1","5","6","1") = "5"
    & skf18("5","4","6","1","5","7","1") = "6"
    & skf18("5","4","6","1","5","8","1") = "7"
    & skf18("5","4","6","1","5","9","1") = "8"
    & skf18("5","4","6","1","5","10","1") = "9"
    & skf18("5","4","6","1","6","1","1") = "5"
    & skf18("5","4","6","1","6","2","1") = "5"
    & skf18("5","4","6","1","6","3","1") = "5"
    & skf18("5","4","6","1","6","4","1") = "5"
    & skf18("5","4","6","1","6","5","1") = "5"
    & skf18("5","4","6","1","6","6","1") = "5"
    & skf18("5","4","6","1","6","7","1") = "6"
    & skf18("5","4","6","1","6","8","1") = "7"
    & skf18("5","4","6","1","6","9","1") = "8"
    & skf18("5","4","6","1","6","10","1") = "9"
    & skf18("5","4","6","1","7","1","1") = "6"
    & skf18("5","4","6","1","7","2","1") = "6"
    & skf18("5","4","6","1","7","3","1") = "6"
    & skf18("5","4","6","1","7","4","1") = "6"
    & skf18("5","4","6","1","7","5","1") = "6"
    & skf18("5","4","6","1","7","6","1") = "6"
    & skf18("5","4","6","1","7","7","1") = "6"
    & skf18("5","4","6","1","7","8","1") = "7"
    & skf18("5","4","6","1","7","9","1") = "8"
    & skf18("5","4","6","1","7","10","1") = "9"
    & skf18("5","4","6","1","8","1","1") = "7"
    & skf18("5","4","6","1","8","2","1") = "7"
    & skf18("5","4","6","1","8","3","1") = "7"
    & skf18("5","4","6","1","8","4","1") = "7"
    & skf18("5","4","6","1","8","5","1") = "7"
    & skf18("5","4","6","1","8","6","1") = "7"
    & skf18("5","4","6","1","8","7","1") = "7"
    & skf18("5","4","6","1","8","8","1") = "7"
    & skf18("5","4","6","1","8","9","1") = "8"
    & skf18("5","4","6","1","8","10","1") = "9"
    & skf18("5","4","6","1","9","1","1") = "8"
    & skf18("5","4","6","1","9","2","1") = "8"
    & skf18("5","4","6","1","9","3","1") = "8"
    & skf18("5","4","6","1","9","4","1") = "8"
    & skf18("5","4","6","1","9","5","1") = "8"
    & skf18("5","4","6","1","9","6","1") = "8"
    & skf18("5","4","6","1","9","7","1") = "8"
    & skf18("5","4","6","1","9","8","1") = "8"
    & skf18("5","4","6","1","9","9","1") = "8"
    & skf18("5","4","6","1","9","10","1") = "9"
    & skf18("5","4","6","1","10","1","1") = "9"
    & skf18("5","4","6","1","10","2","1") = "9"
    & skf18("5","4","6","1","10","3","1") = "9"
    & skf18("5","4","6","1","10","4","1") = "9"
    & skf18("5","4","6","1","10","5","1") = "9"
    & skf18("5","4","6","1","10","6","1") = "9"
    & skf18("5","4","6","1","10","7","1") = "9"
    & skf18("5","4","6","1","10","8","1") = "9"
    & skf18("5","4","6","1","10","9","1") = "9"
    & skf18("5","4","6","1","10","10","1") = "9"
    & skf18("5","4","6","2","1","1","1") = "5"
    & skf18("5","4","6","2","1","2","1") = "5"
    & skf18("5","4","6","2","1","3","1") = "5"
    & skf18("5","4","6","2","1","4","1") = "5"
    & skf18("5","4","6","2","1","5","1") = "5"
    & skf18("5","4","6","2","1","6","1") = "5"
    & skf18("5","4","6","2","1","7","1") = "6"
    & skf18("5","4","6","2","1","8","1") = "7"
    & skf18("5","4","6","2","1","9","1") = "8"
    & skf18("5","4","6","2","1","10","1") = "9"
    & skf18("5","4","6","2","2","1","1") = "5"
    & skf18("5","4","6","2","2","2","1") = "5"
    & skf18("5","4","6","2","2","3","1") = "5"
    & skf18("5","4","6","2","2","4","1") = "5"
    & skf18("5","4","6","2","2","5","1") = "5"
    & skf18("5","4","6","2","2","6","1") = "5"
    & skf18("5","4","6","2","2","7","1") = "6"
    & skf18("5","4","6","2","2","8","1") = "7"
    & skf18("5","4","6","2","2","9","1") = "8"
    & skf18("5","4","6","2","2","10","1") = "9"
    & skf18("5","4","6","2","3","1","1") = "5"
    & skf18("5","4","6","2","3","2","1") = "5"
    & skf18("5","4","6","2","3","3","1") = "5"
    & skf18("5","4","6","2","3","4","1") = "5"
    & skf18("5","4","6","2","3","5","1") = "5"
    & skf18("5","4","6","2","3","6","1") = "5"
    & skf18("5","4","6","2","3","7","1") = "6"
    & skf18("5","4","6","2","3","8","1") = "7"
    & skf18("5","4","6","2","3","9","1") = "8"
    & skf18("5","4","6","2","3","10","1") = "9"
    & skf18("5","4","6","2","4","1","1") = "5"
    & skf18("5","4","6","2","4","2","1") = "5"
    & skf18("5","4","6","2","4","3","1") = "5"
    & skf18("5","4","6","2","4","4","1") = "5"
    & skf18("5","4","6","2","4","5","1") = "5"
    & skf18("5","4","6","2","4","6","1") = "5"
    & skf18("5","4","6","2","4","7","1") = "6"
    & skf18("5","4","6","2","4","8","1") = "7"
    & skf18("5","4","6","2","4","9","1") = "8"
    & skf18("5","4","6","2","4","10","1") = "9"
    & skf18("5","4","6","2","5","1","1") = "5"
    & skf18("5","4","6","2","5","2","1") = "5"
    & skf18("5","4","6","2","5","3","1") = "5"
    & skf18("5","4","6","2","5","4","1") = "5"
    & skf18("5","4","6","2","5","5","1") = "5"
    & skf18("5","4","6","2","5","6","1") = "5"
    & skf18("5","4","6","2","5","7","1") = "6"
    & skf18("5","4","6","2","5","8","1") = "7"
    & skf18("5","4","6","2","5","9","1") = "8"
    & skf18("5","4","6","2","5","10","1") = "9"
    & skf18("5","4","6","2","6","1","1") = "5"
    & skf18("5","4","6","2","6","2","1") = "5"
    & skf18("5","4","6","2","6","3","1") = "5"
    & skf18("5","4","6","2","6","4","1") = "5"
    & skf18("5","4","6","2","6","5","1") = "5"
    & skf18("5","4","6","2","6","6","1") = "5"
    & skf18("5","4","6","2","6","7","1") = "6"
    & skf18("5","4","6","2","6","8","1") = "7"
    & skf18("5","4","6","2","6","9","1") = "8"
    & skf18("5","4","6","2","6","10","1") = "9"
    & skf18("5","4","6","2","7","1","1") = "6"
    & skf18("5","4","6","2","7","2","1") = "6"
    & skf18("5","4","6","2","7","3","1") = "6"
    & skf18("5","4","6","2","7","4","1") = "6"
    & skf18("5","4","6","2","7","5","1") = "6"
    & skf18("5","4","6","2","7","6","1") = "6"
    & skf18("5","4","6","2","7","7","1") = "6"
    & skf18("5","4","6","2","7","8","1") = "7"
    & skf18("5","4","6","2","7","9","1") = "8"
    & skf18("5","4","6","2","7","10","1") = "9"
    & skf18("5","4","6","2","8","1","1") = "7"
    & skf18("5","4","6","2","8","2","1") = "7"
    & skf18("5","4","6","2","8","3","1") = "7"
    & skf18("5","4","6","2","8","4","1") = "7"
    & skf18("5","4","6","2","8","5","1") = "7"
    & skf18("5","4","6","2","8","6","1") = "7"
    & skf18("5","4","6","2","8","7","1") = "7"
    & skf18("5","4","6","2","8","8","1") = "7"
    & skf18("5","4","6","2","8","9","1") = "8"
    & skf18("5","4","6","2","8","10","1") = "9"
    & skf18("5","4","6","2","9","1","1") = "8"
    & skf18("5","4","6","2","9","2","1") = "8"
    & skf18("5","4","6","2","9","3","1") = "8"
    & skf18("5","4","6","2","9","4","1") = "8"
    & skf18("5","4","6","2","9","5","1") = "8"
    & skf18("5","4","6","2","9","6","1") = "8"
    & skf18("5","4","6","2","9","7","1") = "8"
    & skf18("5","4","6","2","9","8","1") = "8"
    & skf18("5","4","6","2","9","9","1") = "8"
    & skf18("5","4","6","2","9","10","1") = "9"
    & skf18("5","4","6","2","10","1","1") = "9"
    & skf18("5","4","6","2","10","2","1") = "9"
    & skf18("5","4","6","2","10","3","1") = "9"
    & skf18("5","4","6","2","10","4","1") = "9"
    & skf18("5","4","6","2","10","5","1") = "9"
    & skf18("5","4","6","2","10","6","1") = "9"
    & skf18("5","4","6","2","10","7","1") = "9"
    & skf18("5","4","6","2","10","8","1") = "9"
    & skf18("5","4","6","2","10","9","1") = "9"
    & skf18("5","4","6","2","10","10","1") = "9"
    & skf18("5","4","6","3","1","1","1") = "5"
    & skf18("5","4","6","3","1","2","1") = "5"
    & skf18("5","4","6","3","1","3","1") = "5"
    & skf18("5","4","6","3","1","4","1") = "5"
    & skf18("5","4","6","3","1","5","1") = "5"
    & skf18("5","4","6","3","1","6","1") = "5"
    & skf18("5","4","6","3","1","7","1") = "6"
    & skf18("5","4","6","3","1","8","1") = "7"
    & skf18("5","4","6","3","1","9","1") = "8"
    & skf18("5","4","6","3","1","10","1") = "9"
    & skf18("5","4","6","3","2","1","1") = "5"
    & skf18("5","4","6","3","2","2","1") = "5"
    & skf18("5","4","6","3","2","3","1") = "5"
    & skf18("5","4","6","3","2","4","1") = "5"
    & skf18("5","4","6","3","2","5","1") = "5"
    & skf18("5","4","6","3","2","6","1") = "5"
    & skf18("5","4","6","3","2","7","1") = "6"
    & skf18("5","4","6","3","2","8","1") = "7"
    & skf18("5","4","6","3","2","9","1") = "8"
    & skf18("5","4","6","3","2","10","1") = "9"
    & skf18("5","4","6","3","3","1","1") = "5"
    & skf18("5","4","6","3","3","2","1") = "5"
    & skf18("5","4","6","3","3","3","1") = "5"
    & skf18("5","4","6","3","3","4","1") = "5"
    & skf18("5","4","6","3","3","5","1") = "5"
    & skf18("5","4","6","3","3","6","1") = "5"
    & skf18("5","4","6","3","3","7","1") = "6"
    & skf18("5","4","6","3","3","8","1") = "7"
    & skf18("5","4","6","3","3","9","1") = "8"
    & skf18("5","4","6","3","3","10","1") = "9"
    & skf18("5","4","6","3","4","1","1") = "5"
    & skf18("5","4","6","3","4","2","1") = "5"
    & skf18("5","4","6","3","4","3","1") = "5"
    & skf18("5","4","6","3","4","4","1") = "5"
    & skf18("5","4","6","3","4","5","1") = "5"
    & skf18("5","4","6","3","4","6","1") = "5"
    & skf18("5","4","6","3","4","7","1") = "6"
    & skf18("5","4","6","3","4","8","1") = "7"
    & skf18("5","4","6","3","4","9","1") = "8"
    & skf18("5","4","6","3","4","10","1") = "9"
    & skf18("5","4","6","3","5","1","1") = "5"
    & skf18("5","4","6","3","5","2","1") = "5"
    & skf18("5","4","6","3","5","3","1") = "5"
    & skf18("5","4","6","3","5","4","1") = "5"
    & skf18("5","4","6","3","5","5","1") = "5"
    & skf18("5","4","6","3","5","6","1") = "5"
    & skf18("5","4","6","3","5","7","1") = "6"
    & skf18("5","4","6","3","5","8","1") = "7"
    & skf18("5","4","6","3","5","9","1") = "8"
    & skf18("5","4","6","3","5","10","1") = "9"
    & skf18("5","4","6","3","6","1","1") = "5"
    & skf18("5","4","6","3","6","2","1") = "5"
    & skf18("5","4","6","3","6","3","1") = "5"
    & skf18("5","4","6","3","6","4","1") = "5"
    & skf18("5","4","6","3","6","5","1") = "5"
    & skf18("5","4","6","3","6","6","1") = "5"
    & skf18("5","4","6","3","6","7","1") = "6"
    & skf18("5","4","6","3","6","8","1") = "7"
    & skf18("5","4","6","3","6","9","1") = "8"
    & skf18("5","4","6","3","6","10","1") = "9"
    & skf18("5","4","6","3","7","1","1") = "6"
    & skf18("5","4","6","3","7","2","1") = "6"
    & skf18("5","4","6","3","7","3","1") = "6"
    & skf18("5","4","6","3","7","4","1") = "6"
    & skf18("5","4","6","3","7","5","1") = "6"
    & skf18("5","4","6","3","7","6","1") = "6"
    & skf18("5","4","6","3","7","7","1") = "6"
    & skf18("5","4","6","3","7","8","1") = "7"
    & skf18("5","4","6","3","7","9","1") = "8"
    & skf18("5","4","6","3","7","10","1") = "9"
    & skf18("5","4","6","3","8","1","1") = "7"
    & skf18("5","4","6","3","8","2","1") = "7"
    & skf18("5","4","6","3","8","3","1") = "7"
    & skf18("5","4","6","3","8","4","1") = "7"
    & skf18("5","4","6","3","8","5","1") = "7"
    & skf18("5","4","6","3","8","6","1") = "7"
    & skf18("5","4","6","3","8","7","1") = "7"
    & skf18("5","4","6","3","8","8","1") = "7"
    & skf18("5","4","6","3","8","9","1") = "8"
    & skf18("5","4","6","3","8","10","1") = "9"
    & skf18("5","4","6","3","9","1","1") = "8"
    & skf18("5","4","6","3","9","2","1") = "8"
    & skf18("5","4","6","3","9","3","1") = "8"
    & skf18("5","4","6","3","9","4","1") = "8"
    & skf18("5","4","6","3","9","5","1") = "8"
    & skf18("5","4","6","3","9","6","1") = "8"
    & skf18("5","4","6","3","9","7","1") = "8"
    & skf18("5","4","6","3","9","8","1") = "8"
    & skf18("5","4","6","3","9","9","1") = "8"
    & skf18("5","4","6","3","9","10","1") = "9"
    & skf18("5","4","6","3","10","1","1") = "9"
    & skf18("5","4","6","3","10","2","1") = "9"
    & skf18("5","4","6","3","10","3","1") = "9"
    & skf18("5","4","6","3","10","4","1") = "9"
    & skf18("5","4","6","3","10","5","1") = "9"
    & skf18("5","4","6","3","10","6","1") = "9"
    & skf18("5","4","6","3","10","7","1") = "9"
    & skf18("5","4","6","3","10","8","1") = "9"
    & skf18("5","4","6","3","10","9","1") = "9"
    & skf18("5","4","6","3","10","10","1") = "9"
    & skf18("5","4","6","4","1","1","1") = "5"
    & skf18("5","4","6","4","1","2","1") = "5"
    & skf18("5","4","6","4","1","3","1") = "5"
    & skf18("5","4","6","4","1","4","1") = "5"
    & skf18("5","4","6","4","1","5","1") = "5"
    & skf18("5","4","6","4","1","6","1") = "5"
    & skf18("5","4","6","4","1","7","1") = "6"
    & skf18("5","4","6","4","1","8","1") = "7"
    & skf18("5","4","6","4","1","9","1") = "8"
    & skf18("5","4","6","4","1","10","1") = "9"
    & skf18("5","4","6","4","2","1","1") = "5"
    & skf18("5","4","6","4","2","2","1") = "5"
    & skf18("5","4","6","4","2","3","1") = "5"
    & skf18("5","4","6","4","2","4","1") = "5"
    & skf18("5","4","6","4","2","5","1") = "5"
    & skf18("5","4","6","4","2","6","1") = "5"
    & skf18("5","4","6","4","2","7","1") = "6"
    & skf18("5","4","6","4","2","8","1") = "7"
    & skf18("5","4","6","4","2","9","1") = "8"
    & skf18("5","4","6","4","2","10","1") = "9"
    & skf18("5","4","6","4","3","1","1") = "5"
    & skf18("5","4","6","4","3","2","1") = "5"
    & skf18("5","4","6","4","3","3","1") = "5"
    & skf18("5","4","6","4","3","4","1") = "5"
    & skf18("5","4","6","4","3","5","1") = "5"
    & skf18("5","4","6","4","3","6","1") = "5"
    & skf18("5","4","6","4","3","7","1") = "6"
    & skf18("5","4","6","4","3","8","1") = "7"
    & skf18("5","4","6","4","3","9","1") = "8"
    & skf18("5","4","6","4","3","10","1") = "9"
    & skf18("5","4","6","4","4","1","1") = "5"
    & skf18("5","4","6","4","4","2","1") = "5"
    & skf18("5","4","6","4","4","3","1") = "5"
    & skf18("5","4","6","4","4","4","1") = "5"
    & skf18("5","4","6","4","4","5","1") = "5"
    & skf18("5","4","6","4","4","6","1") = "5"
    & skf18("5","4","6","4","4","7","1") = "6"
    & skf18("5","4","6","4","4","8","1") = "7"
    & skf18("5","4","6","4","4","9","1") = "8"
    & skf18("5","4","6","4","4","10","1") = "9"
    & skf18("5","4","6","4","5","1","1") = "5"
    & skf18("5","4","6","4","5","2","1") = "5"
    & skf18("5","4","6","4","5","3","1") = "5"
    & skf18("5","4","6","4","5","4","1") = "5"
    & skf18("5","4","6","4","5","5","1") = "5"
    & skf18("5","4","6","4","5","6","1") = "5"
    & skf18("5","4","6","4","5","7","1") = "6"
    & skf18("5","4","6","4","5","8","1") = "7"
    & skf18("5","4","6","4","5","9","1") = "8"
    & skf18("5","4","6","4","5","10","1") = "9"
    & skf18("5","4","6","4","6","1","1") = "5"
    & skf18("5","4","6","4","6","2","1") = "5"
    & skf18("5","4","6","4","6","3","1") = "5"
    & skf18("5","4","6","4","6","4","1") = "5"
    & skf18("5","4","6","4","6","5","1") = "5"
    & skf18("5","4","6","4","6","6","1") = "5"
    & skf18("5","4","6","4","6","7","1") = "6"
    & skf18("5","4","6","4","6","8","1") = "7"
    & skf18("5","4","6","4","6","9","1") = "8"
    & skf18("5","4","6","4","6","10","1") = "9"
    & skf18("5","4","6","4","7","1","1") = "6"
    & skf18("5","4","6","4","7","2","1") = "6"
    & skf18("5","4","6","4","7","3","1") = "6"
    & skf18("5","4","6","4","7","4","1") = "6"
    & skf18("5","4","6","4","7","5","1") = "6"
    & skf18("5","4","6","4","7","6","1") = "6"
    & skf18("5","4","6","4","7","7","1") = "6"
    & skf18("5","4","6","4","7","8","1") = "7"
    & skf18("5","4","6","4","7","9","1") = "8"
    & skf18("5","4","6","4","7","10","1") = "9"
    & skf18("5","4","6","4","8","1","1") = "7"
    & skf18("5","4","6","4","8","2","1") = "7"
    & skf18("5","4","6","4","8","3","1") = "7"
    & skf18("5","4","6","4","8","4","1") = "7"
    & skf18("5","4","6","4","8","5","1") = "7"
    & skf18("5","4","6","4","8","6","1") = "7"
    & skf18("5","4","6","4","8","7","1") = "7"
    & skf18("5","4","6","4","8","8","1") = "7"
    & skf18("5","4","6","4","8","9","1") = "8"
    & skf18("5","4","6","4","8","10","1") = "9"
    & skf18("5","4","6","4","9","1","1") = "8"
    & skf18("5","4","6","4","9","2","1") = "8"
    & skf18("5","4","6","4","9","3","1") = "8"
    & skf18("5","4","6","4","9","4","1") = "8"
    & skf18("5","4","6","4","9","5","1") = "8"
    & skf18("5","4","6","4","9","6","1") = "8"
    & skf18("5","4","6","4","9","7","1") = "8"
    & skf18("5","4","6","4","9","8","1") = "8"
    & skf18("5","4","6","4","9","9","1") = "8"
    & skf18("5","4","6","4","9","10","1") = "9"
    & skf18("5","4","6","4","10","1","1") = "9"
    & skf18("5","4","6","4","10","2","1") = "9"
    & skf18("5","4","6","4","10","3","1") = "9"
    & skf18("5","4","6","4","10","4","1") = "9"
    & skf18("5","4","6","4","10","5","1") = "9"
    & skf18("5","4","6","4","10","6","1") = "9"
    & skf18("5","4","6","4","10","7","1") = "9"
    & skf18("5","4","6","4","10","8","1") = "9"
    & skf18("5","4","6","4","10","9","1") = "9"
    & skf18("5","4","6","4","10","10","1") = "9"
    & skf18("5","4","6","5","1","1","1") = "5"
    & skf18("5","4","6","5","1","2","1") = "5"
    & skf18("5","4","6","5","1","3","1") = "5"
    & skf18("5","4","6","5","1","4","1") = "5"
    & skf18("5","4","6","5","1","5","1") = "5"
    & skf18("5","4","6","5","1","6","1") = "5"
    & skf18("5","4","6","5","1","7","1") = "6"
    & skf18("5","4","6","5","1","8","1") = "7"
    & skf18("5","4","6","5","1","9","1") = "8"
    & skf18("5","4","6","5","1","10","1") = "9"
    & skf18("5","4","6","5","2","1","1") = "5"
    & skf18("5","4","6","5","2","2","1") = "5"
    & skf18("5","4","6","5","2","3","1") = "5"
    & skf18("5","4","6","5","2","4","1") = "5"
    & skf18("5","4","6","5","2","5","1") = "5"
    & skf18("5","4","6","5","2","6","1") = "5"
    & skf18("5","4","6","5","2","7","1") = "6"
    & skf18("5","4","6","5","2","8","1") = "7"
    & skf18("5","4","6","5","2","9","1") = "8"
    & skf18("5","4","6","5","2","10","1") = "9"
    & skf18("5","4","6","5","3","1","1") = "5"
    & skf18("5","4","6","5","3","2","1") = "5"
    & skf18("5","4","6","5","3","3","1") = "5"
    & skf18("5","4","6","5","3","4","1") = "5"
    & skf18("5","4","6","5","3","5","1") = "5"
    & skf18("5","4","6","5","3","6","1") = "5"
    & skf18("5","4","6","5","3","7","1") = "6"
    & skf18("5","4","6","5","3","8","1") = "7"
    & skf18("5","4","6","5","3","9","1") = "8"
    & skf18("5","4","6","5","3","10","1") = "9"
    & skf18("5","4","6","5","4","1","1") = "5"
    & skf18("5","4","6","5","4","2","1") = "5"
    & skf18("5","4","6","5","4","3","1") = "5"
    & skf18("5","4","6","5","4","4","1") = "5"
    & skf18("5","4","6","5","4","5","1") = "5"
    & skf18("5","4","6","5","4","6","1") = "5"
    & skf18("5","4","6","5","4","7","1") = "6"
    & skf18("5","4","6","5","4","8","1") = "7"
    & skf18("5","4","6","5","4","9","1") = "8"
    & skf18("5","4","6","5","4","10","1") = "9"
    & skf18("5","4","6","5","5","1","1") = "5"
    & skf18("5","4","6","5","5","2","1") = "5"
    & skf18("5","4","6","5","5","3","1") = "5"
    & skf18("5","4","6","5","5","4","1") = "5"
    & skf18("5","4","6","5","5","5","1") = "5"
    & skf18("5","4","6","5","5","6","1") = "5"
    & skf18("5","4","6","5","5","7","1") = "6"
    & skf18("5","4","6","5","5","8","1") = "7"
    & skf18("5","4","6","5","5","9","1") = "8"
    & skf18("5","4","6","5","5","10","1") = "9"
    & skf18("5","4","6","5","6","1","1") = "5"
    & skf18("5","4","6","5","6","2","1") = "5"
    & skf18("5","4","6","5","6","3","1") = "5"
    & skf18("5","4","6","5","6","4","1") = "5"
    & skf18("5","4","6","5","6","5","1") = "5"
    & skf18("5","4","6","5","6","6","1") = "5"
    & skf18("5","4","6","5","6","7","1") = "6"
    & skf18("5","4","6","5","6","8","1") = "7"
    & skf18("5","4","6","5","6","9","1") = "8"
    & skf18("5","4","6","5","6","10","1") = "9"
    & skf18("5","4","6","5","7","1","1") = "6"
    & skf18("5","4","6","5","7","2","1") = "6"
    & skf18("5","4","6","5","7","3","1") = "6"
    & skf18("5","4","6","5","7","4","1") = "6"
    & skf18("5","4","6","5","7","5","1") = "6"
    & skf18("5","4","6","5","7","6","1") = "6"
    & skf18("5","4","6","5","7","7","1") = "6"
    & skf18("5","4","6","5","7","8","1") = "7"
    & skf18("5","4","6","5","7","9","1") = "8"
    & skf18("5","4","6","5","7","10","1") = "9"
    & skf18("5","4","6","5","8","1","1") = "7"
    & skf18("5","4","6","5","8","2","1") = "7"
    & skf18("5","4","6","5","8","3","1") = "7"
    & skf18("5","4","6","5","8","4","1") = "7"
    & skf18("5","4","6","5","8","5","1") = "7"
    & skf18("5","4","6","5","8","6","1") = "7"
    & skf18("5","4","6","5","8","7","1") = "7"
    & skf18("5","4","6","5","8","8","1") = "7"
    & skf18("5","4","6","5","8","9","1") = "8"
    & skf18("5","4","6","5","8","10","1") = "9"
    & skf18("5","4","6","5","9","1","1") = "8"
    & skf18("5","4","6","5","9","2","1") = "8"
    & skf18("5","4","6","5","9","3","1") = "8"
    & skf18("5","4","6","5","9","4","1") = "8"
    & skf18("5","4","6","5","9","5","1") = "8"
    & skf18("5","4","6","5","9","6","1") = "8"
    & skf18("5","4","6","5","9","7","1") = "8"
    & skf18("5","4","6","5","9","8","1") = "8"
    & skf18("5","4","6","5","9","9","1") = "8"
    & skf18("5","4","6","5","9","10","1") = "9"
    & skf18("5","4","6","5","10","1","1") = "9"
    & skf18("5","4","6","5","10","2","1") = "9"
    & skf18("5","4","6","5","10","3","1") = "9"
    & skf18("5","4","6","5","10","4","1") = "9"
    & skf18("5","4","6","5","10","5","1") = "9"
    & skf18("5","4","6","5","10","6","1") = "9"
    & skf18("5","4","6","5","10","7","1") = "9"
    & skf18("5","4","6","5","10","8","1") = "9"
    & skf18("5","4","6","5","10","9","1") = "9"
    & skf18("5","4","6","5","10","10","1") = "9"
    & skf18("5","4","6","6","1","1","1") = "5"
    & skf18("5","4","6","6","1","2","1") = "5"
    & skf18("5","4","6","6","1","3","1") = "5"
    & skf18("5","4","6","6","1","4","1") = "5"
    & skf18("5","4","6","6","1","5","1") = "5"
    & skf18("5","4","6","6","1","6","1") = "5"
    & skf18("5","4","6","6","1","7","1") = "6"
    & skf18("5","4","6","6","1","8","1") = "7"
    & skf18("5","4","6","6","1","9","1") = "8"
    & skf18("5","4","6","6","1","10","1") = "9"
    & skf18("5","4","6","6","2","1","1") = "5"
    & skf18("5","4","6","6","2","2","1") = "5"
    & skf18("5","4","6","6","2","3","1") = "5"
    & skf18("5","4","6","6","2","4","1") = "5"
    & skf18("5","4","6","6","2","5","1") = "5"
    & skf18("5","4","6","6","2","6","1") = "5"
    & skf18("5","4","6","6","2","7","1") = "6"
    & skf18("5","4","6","6","2","8","1") = "7"
    & skf18("5","4","6","6","2","9","1") = "8"
    & skf18("5","4","6","6","2","10","1") = "9"
    & skf18("5","4","6","6","3","1","1") = "5"
    & skf18("5","4","6","6","3","2","1") = "5"
    & skf18("5","4","6","6","3","3","1") = "5"
    & skf18("5","4","6","6","3","4","1") = "5"
    & skf18("5","4","6","6","3","5","1") = "5"
    & skf18("5","4","6","6","3","6","1") = "5"
    & skf18("5","4","6","6","3","7","1") = "6"
    & skf18("5","4","6","6","3","8","1") = "7"
    & skf18("5","4","6","6","3","9","1") = "8"
    & skf18("5","4","6","6","3","10","1") = "9"
    & skf18("5","4","6","6","4","1","1") = "5"
    & skf18("5","4","6","6","4","2","1") = "5"
    & skf18("5","4","6","6","4","3","1") = "5"
    & skf18("5","4","6","6","4","4","1") = "5"
    & skf18("5","4","6","6","4","5","1") = "5"
    & skf18("5","4","6","6","4","6","1") = "5"
    & skf18("5","4","6","6","4","7","1") = "6"
    & skf18("5","4","6","6","4","8","1") = "7"
    & skf18("5","4","6","6","4","9","1") = "8"
    & skf18("5","4","6","6","4","10","1") = "9"
    & skf18("5","4","6","6","5","1","1") = "5"
    & skf18("5","4","6","6","5","2","1") = "5"
    & skf18("5","4","6","6","5","3","1") = "5"
    & skf18("5","4","6","6","5","4","1") = "5"
    & skf18("5","4","6","6","5","5","1") = "5"
    & skf18("5","4","6","6","5","6","1") = "5"
    & skf18("5","4","6","6","5","7","1") = "6"
    & skf18("5","4","6","6","5","8","1") = "7"
    & skf18("5","4","6","6","5","9","1") = "8"
    & skf18("5","4","6","6","5","10","1") = "9"
    & skf18("5","4","6","6","6","1","1") = "5"
    & skf18("5","4","6","6","6","2","1") = "5"
    & skf18("5","4","6","6","6","3","1") = "5"
    & skf18("5","4","6","6","6","4","1") = "5"
    & skf18("5","4","6","6","6","5","1") = "5"
    & skf18("5","4","6","6","6","6","1") = "5"
    & skf18("5","4","6","6","6","7","1") = "6"
    & skf18("5","4","6","6","6","8","1") = "7"
    & skf18("5","4","6","6","6","9","1") = "8"
    & skf18("5","4","6","6","6","10","1") = "9"
    & skf18("5","4","6","6","7","1","1") = "6"
    & skf18("5","4","6","6","7","2","1") = "6"
    & skf18("5","4","6","6","7","3","1") = "6"
    & skf18("5","4","6","6","7","4","1") = "6"
    & skf18("5","4","6","6","7","5","1") = "6"
    & skf18("5","4","6","6","7","6","1") = "6"
    & skf18("5","4","6","6","7","7","1") = "6"
    & skf18("5","4","6","6","7","8","1") = "7"
    & skf18("5","4","6","6","7","9","1") = "8"
    & skf18("5","4","6","6","7","10","1") = "9"
    & skf18("5","4","6","6","8","1","1") = "7"
    & skf18("5","4","6","6","8","2","1") = "7"
    & skf18("5","4","6","6","8","3","1") = "7"
    & skf18("5","4","6","6","8","4","1") = "7"
    & skf18("5","4","6","6","8","5","1") = "7"
    & skf18("5","4","6","6","8","6","1") = "7"
    & skf18("5","4","6","6","8","7","1") = "7"
    & skf18("5","4","6","6","8","8","1") = "7"
    & skf18("5","4","6","6","8","9","1") = "8"
    & skf18("5","4","6","6","8","10","1") = "9"
    & skf18("5","4","6","6","9","1","1") = "8"
    & skf18("5","4","6","6","9","2","1") = "8"
    & skf18("5","4","6","6","9","3","1") = "8"
    & skf18("5","4","6","6","9","4","1") = "8"
    & skf18("5","4","6","6","9","5","1") = "8"
    & skf18("5","4","6","6","9","6","1") = "8"
    & skf18("5","4","6","6","9","7","1") = "8"
    & skf18("5","4","6","6","9","8","1") = "8"
    & skf18("5","4","6","6","9","9","1") = "8"
    & skf18("5","4","6","6","9","10","1") = "9"
    & skf18("5","4","6","6","10","1","1") = "9"
    & skf18("5","4","6","6","10","2","1") = "9"
    & skf18("5","4","6","6","10","3","1") = "9"
    & skf18("5","4","6","6","10","4","1") = "9"
    & skf18("5","4","6","6","10","5","1") = "9"
    & skf18("5","4","6","6","10","6","1") = "9"
    & skf18("5","4","6","6","10","7","1") = "9"
    & skf18("5","4","6","6","10","8","1") = "9"
    & skf18("5","4","6","6","10","9","1") = "9"
    & skf18("5","4","6","6","10","10","1") = "9"
    & skf18("5","4","6","7","1","1","1") = "6"
    & skf18("5","4","6","7","1","2","1") = "6"
    & skf18("5","4","6","7","1","3","1") = "6"
    & skf18("5","4","6","7","1","4","1") = "6"
    & skf18("5","4","6","7","1","5","1") = "6"
    & skf18("5","4","6","7","1","6","1") = "6"
    & skf18("5","4","6","7","1","7","1") = "6"
    & skf18("5","4","6","7","1","8","1") = "7"
    & skf18("5","4","6","7","1","9","1") = "8"
    & skf18("5","4","6","7","1","10","1") = "9"
    & skf18("5","4","6","7","2","1","1") = "6"
    & skf18("5","4","6","7","2","2","1") = "6"
    & skf18("5","4","6","7","2","3","1") = "6"
    & skf18("5","4","6","7","2","4","1") = "6"
    & skf18("5","4","6","7","2","5","1") = "6"
    & skf18("5","4","6","7","2","6","1") = "6"
    & skf18("5","4","6","7","2","7","1") = "6"
    & skf18("5","4","6","7","2","8","1") = "7"
    & skf18("5","4","6","7","2","9","1") = "8"
    & skf18("5","4","6","7","2","10","1") = "9"
    & skf18("5","4","6","7","3","1","1") = "6"
    & skf18("5","4","6","7","3","2","1") = "6"
    & skf18("5","4","6","7","3","3","1") = "6"
    & skf18("5","4","6","7","3","4","1") = "6"
    & skf18("5","4","6","7","3","5","1") = "6"
    & skf18("5","4","6","7","3","6","1") = "6"
    & skf18("5","4","6","7","3","7","1") = "6"
    & skf18("5","4","6","7","3","8","1") = "7"
    & skf18("5","4","6","7","3","9","1") = "8"
    & skf18("5","4","6","7","3","10","1") = "9"
    & skf18("5","4","6","7","4","1","1") = "6"
    & skf18("5","4","6","7","4","2","1") = "6"
    & skf18("5","4","6","7","4","3","1") = "6"
    & skf18("5","4","6","7","4","4","1") = "6"
    & skf18("5","4","6","7","4","5","1") = "6"
    & skf18("5","4","6","7","4","6","1") = "6"
    & skf18("5","4","6","7","4","7","1") = "6"
    & skf18("5","4","6","7","4","8","1") = "7"
    & skf18("5","4","6","7","4","9","1") = "8"
    & skf18("5","4","6","7","4","10","1") = "9"
    & skf18("5","4","6","7","5","1","1") = "6"
    & skf18("5","4","6","7","5","2","1") = "6"
    & skf18("5","4","6","7","5","3","1") = "6"
    & skf18("5","4","6","7","5","4","1") = "6"
    & skf18("5","4","6","7","5","5","1") = "6"
    & skf18("5","4","6","7","5","6","1") = "6"
    & skf18("5","4","6","7","5","7","1") = "6"
    & skf18("5","4","6","7","5","8","1") = "7"
    & skf18("5","4","6","7","5","9","1") = "8"
    & skf18("5","4","6","7","5","10","1") = "9"
    & skf18("5","4","6","7","6","1","1") = "6"
    & skf18("5","4","6","7","6","2","1") = "6"
    & skf18("5","4","6","7","6","3","1") = "6"
    & skf18("5","4","6","7","6","4","1") = "6"
    & skf18("5","4","6","7","6","5","1") = "6"
    & skf18("5","4","6","7","6","6","1") = "6"
    & skf18("5","4","6","7","6","7","1") = "6"
    & skf18("5","4","6","7","6","8","1") = "7"
    & skf18("5","4","6","7","6","9","1") = "8"
    & skf18("5","4","6","7","6","10","1") = "9"
    & skf18("5","4","6","7","7","1","1") = "6"
    & skf18("5","4","6","7","7","2","1") = "6"
    & skf18("5","4","6","7","7","3","1") = "6"
    & skf18("5","4","6","7","7","4","1") = "6"
    & skf18("5","4","6","7","7","5","1") = "6"
    & skf18("5","4","6","7","7","6","1") = "6"
    & skf18("5","4","6","7","7","7","1") = "6"
    & skf18("5","4","6","7","7","8","1") = "7"
    & skf18("5","4","6","7","7","9","1") = "8"
    & skf18("5","4","6","7","7","10","1") = "9"
    & skf18("5","4","6","7","8","1","1") = "7"
    & skf18("5","4","6","7","8","2","1") = "7"
    & skf18("5","4","6","7","8","3","1") = "7"
    & skf18("5","4","6","7","8","4","1") = "7"
    & skf18("5","4","6","7","8","5","1") = "7"
    & skf18("5","4","6","7","8","6","1") = "7"
    & skf18("5","4","6","7","8","7","1") = "7"
    & skf18("5","4","6","7","8","8","1") = "7"
    & skf18("5","4","6","7","8","9","1") = "8"
    & skf18("5","4","6","7","8","10","1") = "9"
    & skf18("5","4","6","7","9","1","1") = "8"
    & skf18("5","4","6","7","9","2","1") = "8"
    & skf18("5","4","6","7","9","3","1") = "8"
    & skf18("5","4","6","7","9","4","1") = "8"
    & skf18("5","4","6","7","9","5","1") = "8"
    & skf18("5","4","6","7","9","6","1") = "8"
    & skf18("5","4","6","7","9","7","1") = "8"
    & skf18("5","4","6","7","9","8","1") = "8"
    & skf18("5","4","6","7","9","9","1") = "8"
    & skf18("5","4","6","7","9","10","1") = "9"
    & skf18("5","4","6","7","10","1","1") = "9"
    & skf18("5","4","6","7","10","2","1") = "9"
    & skf18("5","4","6","7","10","3","1") = "9"
    & skf18("5","4","6","7","10","4","1") = "9"
    & skf18("5","4","6","7","10","5","1") = "9"
    & skf18("5","4","6","7","10","6","1") = "9"
    & skf18("5","4","6","7","10","7","1") = "9"
    & skf18("5","4","6","7","10","8","1") = "9"
    & skf18("5","4","6","7","10","9","1") = "9"
    & skf18("5","4","6","7","10","10","1") = "9"
    & skf18("5","4","6","8","1","1","1") = "7"
    & skf18("5","4","6","8","1","2","1") = "7"
    & skf18("5","4","6","8","1","3","1") = "7"
    & skf18("5","4","6","8","1","4","1") = "7"
    & skf18("5","4","6","8","1","5","1") = "7"
    & skf18("5","4","6","8","1","6","1") = "7"
    & skf18("5","4","6","8","1","7","1") = "7"
    & skf18("5","4","6","8","1","8","1") = "7"
    & skf18("5","4","6","8","1","9","1") = "8"
    & skf18("5","4","6","8","1","10","1") = "9"
    & skf18("5","4","6","8","2","1","1") = "7"
    & skf18("5","4","6","8","2","2","1") = "7"
    & skf18("5","4","6","8","2","3","1") = "7"
    & skf18("5","4","6","8","2","4","1") = "7"
    & skf18("5","4","6","8","2","5","1") = "7"
    & skf18("5","4","6","8","2","6","1") = "7"
    & skf18("5","4","6","8","2","7","1") = "7"
    & skf18("5","4","6","8","2","8","1") = "7"
    & skf18("5","4","6","8","2","9","1") = "8"
    & skf18("5","4","6","8","2","10","1") = "9"
    & skf18("5","4","6","8","3","1","1") = "7"
    & skf18("5","4","6","8","3","2","1") = "7"
    & skf18("5","4","6","8","3","3","1") = "7"
    & skf18("5","4","6","8","3","4","1") = "7"
    & skf18("5","4","6","8","3","5","1") = "7"
    & skf18("5","4","6","8","3","6","1") = "7"
    & skf18("5","4","6","8","3","7","1") = "7"
    & skf18("5","4","6","8","3","8","1") = "7"
    & skf18("5","4","6","8","3","9","1") = "8"
    & skf18("5","4","6","8","3","10","1") = "9"
    & skf18("5","4","6","8","4","1","1") = "7"
    & skf18("5","4","6","8","4","2","1") = "7"
    & skf18("5","4","6","8","4","3","1") = "7"
    & skf18("5","4","6","8","4","4","1") = "7"
    & skf18("5","4","6","8","4","5","1") = "7"
    & skf18("5","4","6","8","4","6","1") = "7"
    & skf18("5","4","6","8","4","7","1") = "7"
    & skf18("5","4","6","8","4","8","1") = "7"
    & skf18("5","4","6","8","4","9","1") = "8"
    & skf18("5","4","6","8","4","10","1") = "9"
    & skf18("5","4","6","8","5","1","1") = "7"
    & skf18("5","4","6","8","5","2","1") = "7"
    & skf18("5","4","6","8","5","3","1") = "7"
    & skf18("5","4","6","8","5","4","1") = "7"
    & skf18("5","4","6","8","5","5","1") = "7"
    & skf18("5","4","6","8","5","6","1") = "7"
    & skf18("5","4","6","8","5","7","1") = "7"
    & skf18("5","4","6","8","5","8","1") = "7"
    & skf18("5","4","6","8","5","9","1") = "8"
    & skf18("5","4","6","8","5","10","1") = "9"
    & skf18("5","4","6","8","6","1","1") = "7"
    & skf18("5","4","6","8","6","2","1") = "7"
    & skf18("5","4","6","8","6","3","1") = "7"
    & skf18("5","4","6","8","6","4","1") = "7"
    & skf18("5","4","6","8","6","5","1") = "7"
    & skf18("5","4","6","8","6","6","1") = "7"
    & skf18("5","4","6","8","6","7","1") = "7"
    & skf18("5","4","6","8","6","8","1") = "7"
    & skf18("5","4","6","8","6","9","1") = "8"
    & skf18("5","4","6","8","6","10","1") = "9"
    & skf18("5","4","6","8","7","1","1") = "7"
    & skf18("5","4","6","8","7","2","1") = "7"
    & skf18("5","4","6","8","7","3","1") = "7"
    & skf18("5","4","6","8","7","4","1") = "7"
    & skf18("5","4","6","8","7","5","1") = "7"
    & skf18("5","4","6","8","7","6","1") = "7"
    & skf18("5","4","6","8","7","7","1") = "7"
    & skf18("5","4","6","8","7","8","1") = "7"
    & skf18("5","4","6","8","7","9","1") = "8"
    & skf18("5","4","6","8","7","10","1") = "9"
    & skf18("5","4","6","8","8","1","1") = "7"
    & skf18("5","4","6","8","8","2","1") = "7"
    & skf18("5","4","6","8","8","3","1") = "7"
    & skf18("5","4","6","8","8","4","1") = "7"
    & skf18("5","4","6","8","8","5","1") = "7"
    & skf18("5","4","6","8","8","6","1") = "7"
    & skf18("5","4","6","8","8","7","1") = "7"
    & skf18("5","4","6","8","8","8","1") = "7"
    & skf18("5","4","6","8","8","9","1") = "8"
    & skf18("5","4","6","8","8","10","1") = "9"
    & skf18("5","4","6","8","9","1","1") = "8"
    & skf18("5","4","6","8","9","2","1") = "8"
    & skf18("5","4","6","8","9","3","1") = "8"
    & skf18("5","4","6","8","9","4","1") = "8"
    & skf18("5","4","6","8","9","5","1") = "8"
    & skf18("5","4","6","8","9","6","1") = "8"
    & skf18("5","4","6","8","9","7","1") = "8"
    & skf18("5","4","6","8","9","8","1") = "8"
    & skf18("5","4","6","8","9","9","1") = "8"
    & skf18("5","4","6","8","9","10","1") = "9"
    & skf18("5","4","6","8","10","1","1") = "9"
    & skf18("5","4","6","8","10","2","1") = "9"
    & skf18("5","4","6","8","10","3","1") = "9"
    & skf18("5","4","6","8","10","4","1") = "9"
    & skf18("5","4","6","8","10","5","1") = "9"
    & skf18("5","4","6","8","10","6","1") = "9"
    & skf18("5","4","6","8","10","7","1") = "9"
    & skf18("5","4","6","8","10","8","1") = "9"
    & skf18("5","4","6","8","10","9","1") = "9"
    & skf18("5","4","6","8","10","10","1") = "9"
    & skf18("5","4","6","9","1","1","1") = "8"
    & skf18("5","4","6","9","1","2","1") = "8"
    & skf18("5","4","6","9","1","3","1") = "8"
    & skf18("5","4","6","9","1","4","1") = "8"
    & skf18("5","4","6","9","1","5","1") = "8"
    & skf18("5","4","6","9","1","6","1") = "8"
    & skf18("5","4","6","9","1","7","1") = "8"
    & skf18("5","4","6","9","1","8","1") = "8"
    & skf18("5","4","6","9","1","9","1") = "8"
    & skf18("5","4","6","9","1","10","1") = "9"
    & skf18("5","4","6","9","2","1","1") = "8"
    & skf18("5","4","6","9","2","2","1") = "8"
    & skf18("5","4","6","9","2","3","1") = "8"
    & skf18("5","4","6","9","2","4","1") = "8"
    & skf18("5","4","6","9","2","5","1") = "8"
    & skf18("5","4","6","9","2","6","1") = "8"
    & skf18("5","4","6","9","2","7","1") = "8"
    & skf18("5","4","6","9","2","8","1") = "8"
    & skf18("5","4","6","9","2","9","1") = "8"
    & skf18("5","4","6","9","2","10","1") = "9"
    & skf18("5","4","6","9","3","1","1") = "8"
    & skf18("5","4","6","9","3","2","1") = "8"
    & skf18("5","4","6","9","3","3","1") = "8"
    & skf18("5","4","6","9","3","4","1") = "8"
    & skf18("5","4","6","9","3","5","1") = "8"
    & skf18("5","4","6","9","3","6","1") = "8"
    & skf18("5","4","6","9","3","7","1") = "8"
    & skf18("5","4","6","9","3","8","1") = "8"
    & skf18("5","4","6","9","3","9","1") = "8"
    & skf18("5","4","6","9","3","10","1") = "9"
    & skf18("5","4","6","9","4","1","1") = "8"
    & skf18("5","4","6","9","4","2","1") = "8"
    & skf18("5","4","6","9","4","3","1") = "8"
    & skf18("5","4","6","9","4","4","1") = "8"
    & skf18("5","4","6","9","4","5","1") = "8"
    & skf18("5","4","6","9","4","6","1") = "8"
    & skf18("5","4","6","9","4","7","1") = "8"
    & skf18("5","4","6","9","4","8","1") = "8"
    & skf18("5","4","6","9","4","9","1") = "8"
    & skf18("5","4","6","9","4","10","1") = "9"
    & skf18("5","4","6","9","5","1","1") = "8"
    & skf18("5","4","6","9","5","2","1") = "8"
    & skf18("5","4","6","9","5","3","1") = "8"
    & skf18("5","4","6","9","5","4","1") = "8"
    & skf18("5","4","6","9","5","5","1") = "8"
    & skf18("5","4","6","9","5","6","1") = "8"
    & skf18("5","4","6","9","5","7","1") = "8"
    & skf18("5","4","6","9","5","8","1") = "8"
    & skf18("5","4","6","9","5","9","1") = "8"
    & skf18("5","4","6","9","5","10","1") = "9"
    & skf18("5","4","6","9","6","1","1") = "8"
    & skf18("5","4","6","9","6","2","1") = "8"
    & skf18("5","4","6","9","6","3","1") = "8"
    & skf18("5","4","6","9","6","4","1") = "8"
    & skf18("5","4","6","9","6","5","1") = "8"
    & skf18("5","4","6","9","6","6","1") = "8"
    & skf18("5","4","6","9","6","7","1") = "8"
    & skf18("5","4","6","9","6","8","1") = "8"
    & skf18("5","4","6","9","6","9","1") = "8"
    & skf18("5","4","6","9","6","10","1") = "9"
    & skf18("5","4","6","9","7","1","1") = "8"
    & skf18("5","4","6","9","7","2","1") = "8"
    & skf18("5","4","6","9","7","3","1") = "8"
    & skf18("5","4","6","9","7","4","1") = "8"
    & skf18("5","4","6","9","7","5","1") = "8"
    & skf18("5","4","6","9","7","6","1") = "8"
    & skf18("5","4","6","9","7","7","1") = "8"
    & skf18("5","4","6","9","7","8","1") = "8"
    & skf18("5","4","6","9","7","9","1") = "8"
    & skf18("5","4","6","9","7","10","1") = "9"
    & skf18("5","4","6","9","8","1","1") = "8"
    & skf18("5","4","6","9","8","2","1") = "8"
    & skf18("5","4","6","9","8","3","1") = "8"
    & skf18("5","4","6","9","8","4","1") = "8"
    & skf18("5","4","6","9","8","5","1") = "8"
    & skf18("5","4","6","9","8","6","1") = "8"
    & skf18("5","4","6","9","8","7","1") = "8"
    & skf18("5","4","6","9","8","8","1") = "8"
    & skf18("5","4","6","9","8","9","1") = "8"
    & skf18("5","4","6","9","8","10","1") = "9"
    & skf18("5","4","6","9","9","1","1") = "8"
    & skf18("5","4","6","9","9","2","1") = "8"
    & skf18("5","4","6","9","9","3","1") = "8"
    & skf18("5","4","6","9","9","4","1") = "8"
    & skf18("5","4","6","9","9","5","1") = "8"
    & skf18("5","4","6","9","9","6","1") = "8"
    & skf18("5","4","6","9","9","7","1") = "8"
    & skf18("5","4","6","9","9","8","1") = "8"
    & skf18("5","4","6","9","9","9","1") = "8"
    & skf18("5","4","6","9","9","10","1") = "9"
    & skf18("5","4","6","9","10","1","1") = "9"
    & skf18("5","4","6","9","10","2","1") = "9"
    & skf18("5","4","6","9","10","3","1") = "9"
    & skf18("5","4","6","9","10","4","1") = "9"
    & skf18("5","4","6","9","10","5","1") = "9"
    & skf18("5","4","6","9","10","6","1") = "9"
    & skf18("5","4","6","9","10","7","1") = "9"
    & skf18("5","4","6","9","10","8","1") = "9"
    & skf18("5","4","6","9","10","9","1") = "9"
    & skf18("5","4","6","9","10","10","1") = "9"
    & skf18("5","4","6","10","1","1","1") = "9"
    & skf18("5","4","6","10","1","2","1") = "9"
    & skf18("5","4","6","10","1","3","1") = "9"
    & skf18("5","4","6","10","1","4","1") = "9"
    & skf18("5","4","6","10","1","5","1") = "9"
    & skf18("5","4","6","10","1","6","1") = "9"
    & skf18("5","4","6","10","1","7","1") = "9"
    & skf18("5","4","6","10","1","8","1") = "9"
    & skf18("5","4","6","10","1","9","1") = "9"
    & skf18("5","4","6","10","1","10","1") = "9"
    & skf18("5","4","6","10","2","1","1") = "9"
    & skf18("5","4","6","10","2","2","1") = "9"
    & skf18("5","4","6","10","2","3","1") = "9"
    & skf18("5","4","6","10","2","4","1") = "9"
    & skf18("5","4","6","10","2","5","1") = "9"
    & skf18("5","4","6","10","2","6","1") = "9"
    & skf18("5","4","6","10","2","7","1") = "9"
    & skf18("5","4","6","10","2","8","1") = "9"
    & skf18("5","4","6","10","2","9","1") = "9"
    & skf18("5","4","6","10","2","10","1") = "9"
    & skf18("5","4","6","10","3","1","1") = "9"
    & skf18("5","4","6","10","3","2","1") = "9"
    & skf18("5","4","6","10","3","3","1") = "9"
    & skf18("5","4","6","10","3","4","1") = "9"
    & skf18("5","4","6","10","3","5","1") = "9"
    & skf18("5","4","6","10","3","6","1") = "9"
    & skf18("5","4","6","10","3","7","1") = "9"
    & skf18("5","4","6","10","3","8","1") = "9"
    & skf18("5","4","6","10","3","9","1") = "9"
    & skf18("5","4","6","10","3","10","1") = "9"
    & skf18("5","4","6","10","4","1","1") = "9"
    & skf18("5","4","6","10","4","2","1") = "9"
    & skf18("5","4","6","10","4","3","1") = "9"
    & skf18("5","4","6","10","4","4","1") = "9"
    & skf18("5","4","6","10","4","5","1") = "9"
    & skf18("5","4","6","10","4","6","1") = "9"
    & skf18("5","4","6","10","4","7","1") = "9"
    & skf18("5","4","6","10","4","8","1") = "9"
    & skf18("5","4","6","10","4","9","1") = "9"
    & skf18("5","4","6","10","4","10","1") = "9"
    & skf18("5","4","6","10","5","1","1") = "9"
    & skf18("5","4","6","10","5","2","1") = "9"
    & skf18("5","4","6","10","5","3","1") = "9"
    & skf18("5","4","6","10","5","4","1") = "9"
    & skf18("5","4","6","10","5","5","1") = "9"
    & skf18("5","4","6","10","5","6","1") = "9"
    & skf18("5","4","6","10","5","7","1") = "9"
    & skf18("5","4","6","10","5","8","1") = "9"
    & skf18("5","4","6","10","5","9","1") = "9"
    & skf18("5","4","6","10","5","10","1") = "9"
    & skf18("5","4","6","10","6","1","1") = "9"
    & skf18("5","4","6","10","6","2","1") = "9"
    & skf18("5","4","6","10","6","3","1") = "9"
    & skf18("5","4","6","10","6","4","1") = "9"
    & skf18("5","4","6","10","6","5","1") = "9"
    & skf18("5","4","6","10","6","6","1") = "9"
    & skf18("5","4","6","10","6","7","1") = "9"
    & skf18("5","4","6","10","6","8","1") = "9"
    & skf18("5","4","6","10","6","9","1") = "9"
    & skf18("5","4","6","10","6","10","1") = "9"
    & skf18("5","4","6","10","7","1","1") = "9"
    & skf18("5","4","6","10","7","2","1") = "9"
    & skf18("5","4","6","10","7","3","1") = "9"
    & skf18("5","4","6","10","7","4","1") = "9"
    & skf18("5","4","6","10","7","5","1") = "9"
    & skf18("5","4","6","10","7","6","1") = "9"
    & skf18("5","4","6","10","7","7","1") = "9"
    & skf18("5","4","6","10","7","8","1") = "9"
    & skf18("5","4","6","10","7","9","1") = "9"
    & skf18("5","4","6","10","7","10","1") = "9"
    & skf18("5","4","6","10","8","1","1") = "9"
    & skf18("5","4","6","10","8","2","1") = "9"
    & skf18("5","4","6","10","8","3","1") = "9"
    & skf18("5","4","6","10","8","4","1") = "9"
    & skf18("5","4","6","10","8","5","1") = "9"
    & skf18("5","4","6","10","8","6","1") = "9"
    & skf18("5","4","6","10","8","7","1") = "9"
    & skf18("5","4","6","10","8","8","1") = "9"
    & skf18("5","4","6","10","8","9","1") = "9"
    & skf18("5","4","6","10","8","10","1") = "9"
    & skf18("5","4","6","10","9","1","1") = "9"
    & skf18("5","4","6","10","9","2","1") = "9"
    & skf18("5","4","6","10","9","3","1") = "9"
    & skf18("5","4","6","10","9","4","1") = "9"
    & skf18("5","4","6","10","9","5","1") = "9"
    & skf18("5","4","6","10","9","6","1") = "9"
    & skf18("5","4","6","10","9","7","1") = "9"
    & skf18("5","4","6","10","9","8","1") = "9"
    & skf18("5","4","6","10","9","9","1") = "9"
    & skf18("5","4","6","10","9","10","1") = "9"
    & skf18("5","4","6","10","10","1","1") = "9"
    & skf18("5","4","6","10","10","2","1") = "9"
    & skf18("5","4","6","10","10","3","1") = "9"
    & skf18("5","4","6","10","10","4","1") = "9"
    & skf18("5","4","6","10","10","5","1") = "9"
    & skf18("5","4","6","10","10","6","1") = "9"
    & skf18("5","4","6","10","10","7","1") = "9"
    & skf18("5","4","6","10","10","8","1") = "9"
    & skf18("5","4","6","10","10","9","1") = "9"
    & skf18("5","4","6","10","10","10","1") = "9"
    & skf18("5","4","7","1","1","1","1") = "6"
    & skf18("5","4","7","1","1","2","1") = "6"
    & skf18("5","4","7","1","1","3","1") = "6"
    & skf18("5","4","7","1","1","4","1") = "6"
    & skf18("5","4","7","1","1","5","1") = "6"
    & skf18("5","4","7","1","1","6","1") = "6"
    & skf18("5","4","7","1","1","7","1") = "6"
    & skf18("5","4","7","1","1","8","1") = "7"
    & skf18("5","4","7","1","1","9","1") = "8"
    & skf18("5","4","7","1","1","10","1") = "9"
    & skf18("5","4","7","1","2","1","1") = "6"
    & skf18("5","4","7","1","2","2","1") = "6"
    & skf18("5","4","7","1","2","3","1") = "6"
    & skf18("5","4","7","1","2","4","1") = "6"
    & skf18("5","4","7","1","2","5","1") = "6"
    & skf18("5","4","7","1","2","6","1") = "6"
    & skf18("5","4","7","1","2","7","1") = "6"
    & skf18("5","4","7","1","2","8","1") = "7"
    & skf18("5","4","7","1","2","9","1") = "8"
    & skf18("5","4","7","1","2","10","1") = "9"
    & skf18("5","4","7","1","3","1","1") = "6"
    & skf18("5","4","7","1","3","2","1") = "6"
    & skf18("5","4","7","1","3","3","1") = "6"
    & skf18("5","4","7","1","3","4","1") = "6"
    & skf18("5","4","7","1","3","5","1") = "6"
    & skf18("5","4","7","1","3","6","1") = "6"
    & skf18("5","4","7","1","3","7","1") = "6"
    & skf18("5","4","7","1","3","8","1") = "7"
    & skf18("5","4","7","1","3","9","1") = "8"
    & skf18("5","4","7","1","3","10","1") = "9"
    & skf18("5","4","7","1","4","1","1") = "6"
    & skf18("5","4","7","1","4","2","1") = "6"
    & skf18("5","4","7","1","4","3","1") = "6"
    & skf18("5","4","7","1","4","4","1") = "6"
    & skf18("5","4","7","1","4","5","1") = "6"
    & skf18("5","4","7","1","4","6","1") = "6"
    & skf18("5","4","7","1","4","7","1") = "6"
    & skf18("5","4","7","1","4","8","1") = "7"
    & skf18("5","4","7","1","4","9","1") = "8"
    & skf18("5","4","7","1","4","10","1") = "9"
    & skf18("5","4","7","1","5","1","1") = "6"
    & skf18("5","4","7","1","5","2","1") = "6"
    & skf18("5","4","7","1","5","3","1") = "6"
    & skf18("5","4","7","1","5","4","1") = "6"
    & skf18("5","4","7","1","5","5","1") = "6"
    & skf18("5","4","7","1","5","6","1") = "6"
    & skf18("5","4","7","1","5","7","1") = "6"
    & skf18("5","4","7","1","5","8","1") = "7"
    & skf18("5","4","7","1","5","9","1") = "8"
    & skf18("5","4","7","1","5","10","1") = "9"
    & skf18("5","4","7","1","6","1","1") = "6"
    & skf18("5","4","7","1","6","2","1") = "6"
    & skf18("5","4","7","1","6","3","1") = "6"
    & skf18("5","4","7","1","6","4","1") = "6"
    & skf18("5","4","7","1","6","5","1") = "6"
    & skf18("5","4","7","1","6","6","1") = "6"
    & skf18("5","4","7","1","6","7","1") = "6"
    & skf18("5","4","7","1","6","8","1") = "7"
    & skf18("5","4","7","1","6","9","1") = "8"
    & skf18("5","4","7","1","6","10","1") = "9"
    & skf18("5","4","7","1","7","1","1") = "6"
    & skf18("5","4","7","1","7","2","1") = "6"
    & skf18("5","4","7","1","7","3","1") = "6"
    & skf18("5","4","7","1","7","4","1") = "6"
    & skf18("5","4","7","1","7","5","1") = "6"
    & skf18("5","4","7","1","7","6","1") = "6"
    & skf18("5","4","7","1","7","7","1") = "6"
    & skf18("5","4","7","1","7","8","1") = "7"
    & skf18("5","4","7","1","7","9","1") = "8"
    & skf18("5","4","7","1","7","10","1") = "9"
    & skf18("5","4","7","1","8","1","1") = "7"
    & skf18("5","4","7","1","8","2","1") = "7"
    & skf18("5","4","7","1","8","3","1") = "7"
    & skf18("5","4","7","1","8","4","1") = "7"
    & skf18("5","4","7","1","8","5","1") = "7"
    & skf18("5","4","7","1","8","6","1") = "7"
    & skf18("5","4","7","1","8","7","1") = "7"
    & skf18("5","4","7","1","8","8","1") = "7"
    & skf18("5","4","7","1","8","9","1") = "8"
    & skf18("5","4","7","1","8","10","1") = "9"
    & skf18("5","4","7","1","9","1","1") = "8"
    & skf18("5","4","7","1","9","2","1") = "8"
    & skf18("5","4","7","1","9","3","1") = "8"
    & skf18("5","4","7","1","9","4","1") = "8"
    & skf18("5","4","7","1","9","5","1") = "8"
    & skf18("5","4","7","1","9","6","1") = "8"
    & skf18("5","4","7","1","9","7","1") = "8"
    & skf18("5","4","7","1","9","8","1") = "8"
    & skf18("5","4","7","1","9","9","1") = "8"
    & skf18("5","4","7","1","9","10","1") = "9"
    & skf18("5","4","7","1","10","1","1") = "9"
    & skf18("5","4","7","1","10","2","1") = "9"
    & skf18("5","4","7","1","10","3","1") = "9"
    & skf18("5","4","7","1","10","4","1") = "9"
    & skf18("5","4","7","1","10","5","1") = "9"
    & skf18("5","4","7","1","10","6","1") = "9"
    & skf18("5","4","7","1","10","7","1") = "9"
    & skf18("5","4","7","1","10","8","1") = "9"
    & skf18("5","4","7","1","10","9","1") = "9"
    & skf18("5","4","7","1","10","10","1") = "9"
    & skf18("5","4","7","2","1","1","1") = "6"
    & skf18("5","4","7","2","1","2","1") = "6"
    & skf18("5","4","7","2","1","3","1") = "6"
    & skf18("5","4","7","2","1","4","1") = "6"
    & skf18("5","4","7","2","1","5","1") = "6"
    & skf18("5","4","7","2","1","6","1") = "6"
    & skf18("5","4","7","2","1","7","1") = "6"
    & skf18("5","4","7","2","1","8","1") = "7"
    & skf18("5","4","7","2","1","9","1") = "8"
    & skf18("5","4","7","2","1","10","1") = "9"
    & skf18("5","4","7","2","2","1","1") = "6"
    & skf18("5","4","7","2","2","2","1") = "6"
    & skf18("5","4","7","2","2","3","1") = "6"
    & skf18("5","4","7","2","2","4","1") = "6"
    & skf18("5","4","7","2","2","5","1") = "6"
    & skf18("5","4","7","2","2","6","1") = "6"
    & skf18("5","4","7","2","2","7","1") = "6"
    & skf18("5","4","7","2","2","8","1") = "7"
    & skf18("5","4","7","2","2","9","1") = "8"
    & skf18("5","4","7","2","2","10","1") = "9"
    & skf18("5","4","7","2","3","1","1") = "6"
    & skf18("5","4","7","2","3","2","1") = "6"
    & skf18("5","4","7","2","3","3","1") = "6"
    & skf18("5","4","7","2","3","4","1") = "6"
    & skf18("5","4","7","2","3","5","1") = "6"
    & skf18("5","4","7","2","3","6","1") = "6"
    & skf18("5","4","7","2","3","7","1") = "6"
    & skf18("5","4","7","2","3","8","1") = "7"
    & skf18("5","4","7","2","3","9","1") = "8"
    & skf18("5","4","7","2","3","10","1") = "9"
    & skf18("5","4","7","2","4","1","1") = "6"
    & skf18("5","4","7","2","4","2","1") = "6"
    & skf18("5","4","7","2","4","3","1") = "6"
    & skf18("5","4","7","2","4","4","1") = "6"
    & skf18("5","4","7","2","4","5","1") = "6"
    & skf18("5","4","7","2","4","6","1") = "6"
    & skf18("5","4","7","2","4","7","1") = "6"
    & skf18("5","4","7","2","4","8","1") = "7"
    & skf18("5","4","7","2","4","9","1") = "8"
    & skf18("5","4","7","2","4","10","1") = "9"
    & skf18("5","4","7","2","5","1","1") = "6"
    & skf18("5","4","7","2","5","2","1") = "6"
    & skf18("5","4","7","2","5","3","1") = "6"
    & skf18("5","4","7","2","5","4","1") = "6"
    & skf18("5","4","7","2","5","5","1") = "6"
    & skf18("5","4","7","2","5","6","1") = "6"
    & skf18("5","4","7","2","5","7","1") = "6"
    & skf18("5","4","7","2","5","8","1") = "7"
    & skf18("5","4","7","2","5","9","1") = "8"
    & skf18("5","4","7","2","5","10","1") = "9"
    & skf18("5","4","7","2","6","1","1") = "6"
    & skf18("5","4","7","2","6","2","1") = "6"
    & skf18("5","4","7","2","6","3","1") = "6"
    & skf18("5","4","7","2","6","4","1") = "6"
    & skf18("5","4","7","2","6","5","1") = "6"
    & skf18("5","4","7","2","6","6","1") = "6"
    & skf18("5","4","7","2","6","7","1") = "6"
    & skf18("5","4","7","2","6","8","1") = "7"
    & skf18("5","4","7","2","6","9","1") = "8"
    & skf18("5","4","7","2","6","10","1") = "9"
    & skf18("5","4","7","2","7","1","1") = "6"
    & skf18("5","4","7","2","7","2","1") = "6"
    & skf18("5","4","7","2","7","3","1") = "6"
    & skf18("5","4","7","2","7","4","1") = "6"
    & skf18("5","4","7","2","7","5","1") = "6"
    & skf18("5","4","7","2","7","6","1") = "6"
    & skf18("5","4","7","2","7","7","1") = "6"
    & skf18("5","4","7","2","7","8","1") = "7"
    & skf18("5","4","7","2","7","9","1") = "8"
    & skf18("5","4","7","2","7","10","1") = "9"
    & skf18("5","4","7","2","8","1","1") = "7"
    & skf18("5","4","7","2","8","2","1") = "7"
    & skf18("5","4","7","2","8","3","1") = "7"
    & skf18("5","4","7","2","8","4","1") = "7"
    & skf18("5","4","7","2","8","5","1") = "7"
    & skf18("5","4","7","2","8","6","1") = "7"
    & skf18("5","4","7","2","8","7","1") = "7"
    & skf18("5","4","7","2","8","8","1") = "7"
    & skf18("5","4","7","2","8","9","1") = "8"
    & skf18("5","4","7","2","8","10","1") = "9"
    & skf18("5","4","7","2","9","1","1") = "8"
    & skf18("5","4","7","2","9","2","1") = "8"
    & skf18("5","4","7","2","9","3","1") = "8"
    & skf18("5","4","7","2","9","4","1") = "8"
    & skf18("5","4","7","2","9","5","1") = "8"
    & skf18("5","4","7","2","9","6","1") = "8"
    & skf18("5","4","7","2","9","7","1") = "8"
    & skf18("5","4","7","2","9","8","1") = "8"
    & skf18("5","4","7","2","9","9","1") = "8"
    & skf18("5","4","7","2","9","10","1") = "9"
    & skf18("5","4","7","2","10","1","1") = "9"
    & skf18("5","4","7","2","10","2","1") = "9"
    & skf18("5","4","7","2","10","3","1") = "9"
    & skf18("5","4","7","2","10","4","1") = "9"
    & skf18("5","4","7","2","10","5","1") = "9"
    & skf18("5","4","7","2","10","6","1") = "9"
    & skf18("5","4","7","2","10","7","1") = "9"
    & skf18("5","4","7","2","10","8","1") = "9"
    & skf18("5","4","7","2","10","9","1") = "9"
    & skf18("5","4","7","2","10","10","1") = "9"
    & skf18("5","4","7","3","1","1","1") = "6"
    & skf18("5","4","7","3","1","2","1") = "6"
    & skf18("5","4","7","3","1","3","1") = "6"
    & skf18("5","4","7","3","1","4","1") = "6"
    & skf18("5","4","7","3","1","5","1") = "6"
    & skf18("5","4","7","3","1","6","1") = "6"
    & skf18("5","4","7","3","1","7","1") = "6"
    & skf18("5","4","7","3","1","8","1") = "7"
    & skf18("5","4","7","3","1","9","1") = "8"
    & skf18("5","4","7","3","1","10","1") = "9"
    & skf18("5","4","7","3","2","1","1") = "6"
    & skf18("5","4","7","3","2","2","1") = "6"
    & skf18("5","4","7","3","2","3","1") = "6"
    & skf18("5","4","7","3","2","4","1") = "6"
    & skf18("5","4","7","3","2","5","1") = "6"
    & skf18("5","4","7","3","2","6","1") = "6"
    & skf18("5","4","7","3","2","7","1") = "6"
    & skf18("5","4","7","3","2","8","1") = "7"
    & skf18("5","4","7","3","2","9","1") = "8"
    & skf18("5","4","7","3","2","10","1") = "9"
    & skf18("5","4","7","3","3","1","1") = "6"
    & skf18("5","4","7","3","3","2","1") = "6"
    & skf18("5","4","7","3","3","3","1") = "6"
    & skf18("5","4","7","3","3","4","1") = "6"
    & skf18("5","4","7","3","3","5","1") = "6"
    & skf18("5","4","7","3","3","6","1") = "6"
    & skf18("5","4","7","3","3","7","1") = "6"
    & skf18("5","4","7","3","3","8","1") = "7"
    & skf18("5","4","7","3","3","9","1") = "8"
    & skf18("5","4","7","3","3","10","1") = "9"
    & skf18("5","4","7","3","4","1","1") = "6"
    & skf18("5","4","7","3","4","2","1") = "6"
    & skf18("5","4","7","3","4","3","1") = "6"
    & skf18("5","4","7","3","4","4","1") = "6"
    & skf18("5","4","7","3","4","5","1") = "6"
    & skf18("5","4","7","3","4","6","1") = "6"
    & skf18("5","4","7","3","4","7","1") = "6"
    & skf18("5","4","7","3","4","8","1") = "7"
    & skf18("5","4","7","3","4","9","1") = "8"
    & skf18("5","4","7","3","4","10","1") = "9"
    & skf18("5","4","7","3","5","1","1") = "6"
    & skf18("5","4","7","3","5","2","1") = "6"
    & skf18("5","4","7","3","5","3","1") = "6"
    & skf18("5","4","7","3","5","4","1") = "6"
    & skf18("5","4","7","3","5","5","1") = "6"
    & skf18("5","4","7","3","5","6","1") = "6"
    & skf18("5","4","7","3","5","7","1") = "6"
    & skf18("5","4","7","3","5","8","1") = "7"
    & skf18("5","4","7","3","5","9","1") = "8"
    & skf18("5","4","7","3","5","10","1") = "9"
    & skf18("5","4","7","3","6","1","1") = "6"
    & skf18("5","4","7","3","6","2","1") = "6"
    & skf18("5","4","7","3","6","3","1") = "6"
    & skf18("5","4","7","3","6","4","1") = "6"
    & skf18("5","4","7","3","6","5","1") = "6"
    & skf18("5","4","7","3","6","6","1") = "6"
    & skf18("5","4","7","3","6","7","1") = "6"
    & skf18("5","4","7","3","6","8","1") = "7"
    & skf18("5","4","7","3","6","9","1") = "8"
    & skf18("5","4","7","3","6","10","1") = "9"
    & skf18("5","4","7","3","7","1","1") = "6"
    & skf18("5","4","7","3","7","2","1") = "6"
    & skf18("5","4","7","3","7","3","1") = "6"
    & skf18("5","4","7","3","7","4","1") = "6"
    & skf18("5","4","7","3","7","5","1") = "6"
    & skf18("5","4","7","3","7","6","1") = "6"
    & skf18("5","4","7","3","7","7","1") = "6"
    & skf18("5","4","7","3","7","8","1") = "7"
    & skf18("5","4","7","3","7","9","1") = "8"
    & skf18("5","4","7","3","7","10","1") = "9"
    & skf18("5","4","7","3","8","1","1") = "7"
    & skf18("5","4","7","3","8","2","1") = "7"
    & skf18("5","4","7","3","8","3","1") = "7"
    & skf18("5","4","7","3","8","4","1") = "7"
    & skf18("5","4","7","3","8","5","1") = "7"
    & skf18("5","4","7","3","8","6","1") = "7"
    & skf18("5","4","7","3","8","7","1") = "7"
    & skf18("5","4","7","3","8","8","1") = "7"
    & skf18("5","4","7","3","8","9","1") = "8"
    & skf18("5","4","7","3","8","10","1") = "9"
    & skf18("5","4","7","3","9","1","1") = "8"
    & skf18("5","4","7","3","9","2","1") = "8"
    & skf18("5","4","7","3","9","3","1") = "8"
    & skf18("5","4","7","3","9","4","1") = "8"
    & skf18("5","4","7","3","9","5","1") = "8"
    & skf18("5","4","7","3","9","6","1") = "8"
    & skf18("5","4","7","3","9","7","1") = "8"
    & skf18("5","4","7","3","9","8","1") = "8"
    & skf18("5","4","7","3","9","9","1") = "8"
    & skf18("5","4","7","3","9","10","1") = "9"
    & skf18("5","4","7","3","10","1","1") = "9"
    & skf18("5","4","7","3","10","2","1") = "9"
    & skf18("5","4","7","3","10","3","1") = "9"
    & skf18("5","4","7","3","10","4","1") = "9"
    & skf18("5","4","7","3","10","5","1") = "9"
    & skf18("5","4","7","3","10","6","1") = "9"
    & skf18("5","4","7","3","10","7","1") = "9"
    & skf18("5","4","7","3","10","8","1") = "9"
    & skf18("5","4","7","3","10","9","1") = "9"
    & skf18("5","4","7","3","10","10","1") = "9"
    & skf18("5","4","7","4","1","1","1") = "6"
    & skf18("5","4","7","4","1","2","1") = "6"
    & skf18("5","4","7","4","1","3","1") = "6"
    & skf18("5","4","7","4","1","4","1") = "6"
    & skf18("5","4","7","4","1","5","1") = "6"
    & skf18("5","4","7","4","1","6","1") = "6"
    & skf18("5","4","7","4","1","7","1") = "6"
    & skf18("5","4","7","4","1","8","1") = "7"
    & skf18("5","4","7","4","1","9","1") = "8"
    & skf18("5","4","7","4","1","10","1") = "9"
    & skf18("5","4","7","4","2","1","1") = "6"
    & skf18("5","4","7","4","2","2","1") = "6"
    & skf18("5","4","7","4","2","3","1") = "6"
    & skf18("5","4","7","4","2","4","1") = "6"
    & skf18("5","4","7","4","2","5","1") = "6"
    & skf18("5","4","7","4","2","6","1") = "6"
    & skf18("5","4","7","4","2","7","1") = "6"
    & skf18("5","4","7","4","2","8","1") = "7"
    & skf18("5","4","7","4","2","9","1") = "8"
    & skf18("5","4","7","4","2","10","1") = "9"
    & skf18("5","4","7","4","3","1","1") = "6"
    & skf18("5","4","7","4","3","2","1") = "6"
    & skf18("5","4","7","4","3","3","1") = "6"
    & skf18("5","4","7","4","3","4","1") = "6"
    & skf18("5","4","7","4","3","5","1") = "6"
    & skf18("5","4","7","4","3","6","1") = "6"
    & skf18("5","4","7","4","3","7","1") = "6"
    & skf18("5","4","7","4","3","8","1") = "7"
    & skf18("5","4","7","4","3","9","1") = "8"
    & skf18("5","4","7","4","3","10","1") = "9"
    & skf18("5","4","7","4","4","1","1") = "6"
    & skf18("5","4","7","4","4","2","1") = "6"
    & skf18("5","4","7","4","4","3","1") = "6"
    & skf18("5","4","7","4","4","4","1") = "6"
    & skf18("5","4","7","4","4","5","1") = "6"
    & skf18("5","4","7","4","4","6","1") = "6"
    & skf18("5","4","7","4","4","7","1") = "6"
    & skf18("5","4","7","4","4","8","1") = "7"
    & skf18("5","4","7","4","4","9","1") = "8"
    & skf18("5","4","7","4","4","10","1") = "9"
    & skf18("5","4","7","4","5","1","1") = "6"
    & skf18("5","4","7","4","5","2","1") = "6"
    & skf18("5","4","7","4","5","3","1") = "6"
    & skf18("5","4","7","4","5","4","1") = "6"
    & skf18("5","4","7","4","5","5","1") = "6"
    & skf18("5","4","7","4","5","6","1") = "6"
    & skf18("5","4","7","4","5","7","1") = "6"
    & skf18("5","4","7","4","5","8","1") = "7"
    & skf18("5","4","7","4","5","9","1") = "8"
    & skf18("5","4","7","4","5","10","1") = "9"
    & skf18("5","4","7","4","6","1","1") = "6"
    & skf18("5","4","7","4","6","2","1") = "6"
    & skf18("5","4","7","4","6","3","1") = "6"
    & skf18("5","4","7","4","6","4","1") = "6"
    & skf18("5","4","7","4","6","5","1") = "6"
    & skf18("5","4","7","4","6","6","1") = "6"
    & skf18("5","4","7","4","6","7","1") = "6"
    & skf18("5","4","7","4","6","8","1") = "7"
    & skf18("5","4","7","4","6","9","1") = "8"
    & skf18("5","4","7","4","6","10","1") = "9"
    & skf18("5","4","7","4","7","1","1") = "6"
    & skf18("5","4","7","4","7","2","1") = "6"
    & skf18("5","4","7","4","7","3","1") = "6"
    & skf18("5","4","7","4","7","4","1") = "6"
    & skf18("5","4","7","4","7","5","1") = "6"
    & skf18("5","4","7","4","7","6","1") = "6"
    & skf18("5","4","7","4","7","7","1") = "6"
    & skf18("5","4","7","4","7","8","1") = "7"
    & skf18("5","4","7","4","7","9","1") = "8"
    & skf18("5","4","7","4","7","10","1") = "9"
    & skf18("5","4","7","4","8","1","1") = "7"
    & skf18("5","4","7","4","8","2","1") = "7"
    & skf18("5","4","7","4","8","3","1") = "7"
    & skf18("5","4","7","4","8","4","1") = "7"
    & skf18("5","4","7","4","8","5","1") = "7"
    & skf18("5","4","7","4","8","6","1") = "7"
    & skf18("5","4","7","4","8","7","1") = "7"
    & skf18("5","4","7","4","8","8","1") = "7"
    & skf18("5","4","7","4","8","9","1") = "8"
    & skf18("5","4","7","4","8","10","1") = "9"
    & skf18("5","4","7","4","9","1","1") = "8"
    & skf18("5","4","7","4","9","2","1") = "8"
    & skf18("5","4","7","4","9","3","1") = "8"
    & skf18("5","4","7","4","9","4","1") = "8"
    & skf18("5","4","7","4","9","5","1") = "8"
    & skf18("5","4","7","4","9","6","1") = "8"
    & skf18("5","4","7","4","9","7","1") = "8"
    & skf18("5","4","7","4","9","8","1") = "8"
    & skf18("5","4","7","4","9","9","1") = "8"
    & skf18("5","4","7","4","9","10","1") = "9"
    & skf18("5","4","7","4","10","1","1") = "9"
    & skf18("5","4","7","4","10","2","1") = "9"
    & skf18("5","4","7","4","10","3","1") = "9"
    & skf18("5","4","7","4","10","4","1") = "9"
    & skf18("5","4","7","4","10","5","1") = "9"
    & skf18("5","4","7","4","10","6","1") = "9"
    & skf18("5","4","7","4","10","7","1") = "9"
    & skf18("5","4","7","4","10","8","1") = "9"
    & skf18("5","4","7","4","10","9","1") = "9"
    & skf18("5","4","7","4","10","10","1") = "9"
    & skf18("5","4","7","5","1","1","1") = "6"
    & skf18("5","4","7","5","1","2","1") = "6"
    & skf18("5","4","7","5","1","3","1") = "6"
    & skf18("5","4","7","5","1","4","1") = "6"
    & skf18("5","4","7","5","1","5","1") = "6"
    & skf18("5","4","7","5","1","6","1") = "6"
    & skf18("5","4","7","5","1","7","1") = "6"
    & skf18("5","4","7","5","1","8","1") = "7"
    & skf18("5","4","7","5","1","9","1") = "8"
    & skf18("5","4","7","5","1","10","1") = "9"
    & skf18("5","4","7","5","2","1","1") = "6"
    & skf18("5","4","7","5","2","2","1") = "6"
    & skf18("5","4","7","5","2","3","1") = "6"
    & skf18("5","4","7","5","2","4","1") = "6"
    & skf18("5","4","7","5","2","5","1") = "6"
    & skf18("5","4","7","5","2","6","1") = "6"
    & skf18("5","4","7","5","2","7","1") = "6"
    & skf18("5","4","7","5","2","8","1") = "7"
    & skf18("5","4","7","5","2","9","1") = "8"
    & skf18("5","4","7","5","2","10","1") = "9"
    & skf18("5","4","7","5","3","1","1") = "6"
    & skf18("5","4","7","5","3","2","1") = "6"
    & skf18("5","4","7","5","3","3","1") = "6"
    & skf18("5","4","7","5","3","4","1") = "6"
    & skf18("5","4","7","5","3","5","1") = "6"
    & skf18("5","4","7","5","3","6","1") = "6"
    & skf18("5","4","7","5","3","7","1") = "6"
    & skf18("5","4","7","5","3","8","1") = "7"
    & skf18("5","4","7","5","3","9","1") = "8"
    & skf18("5","4","7","5","3","10","1") = "9"
    & skf18("5","4","7","5","4","1","1") = "6"
    & skf18("5","4","7","5","4","2","1") = "6"
    & skf18("5","4","7","5","4","3","1") = "6"
    & skf18("5","4","7","5","4","4","1") = "6"
    & skf18("5","4","7","5","4","5","1") = "6"
    & skf18("5","4","7","5","4","6","1") = "6"
    & skf18("5","4","7","5","4","7","1") = "6"
    & skf18("5","4","7","5","4","8","1") = "7"
    & skf18("5","4","7","5","4","9","1") = "8"
    & skf18("5","4","7","5","4","10","1") = "9"
    & skf18("5","4","7","5","5","1","1") = "6"
    & skf18("5","4","7","5","5","2","1") = "6"
    & skf18("5","4","7","5","5","3","1") = "6"
    & skf18("5","4","7","5","5","4","1") = "6"
    & skf18("5","4","7","5","5","5","1") = "6"
    & skf18("5","4","7","5","5","6","1") = "6"
    & skf18("5","4","7","5","5","7","1") = "6"
    & skf18("5","4","7","5","5","8","1") = "7"
    & skf18("5","4","7","5","5","9","1") = "8"
    & skf18("5","4","7","5","5","10","1") = "9"
    & skf18("5","4","7","5","6","1","1") = "6"
    & skf18("5","4","7","5","6","2","1") = "6"
    & skf18("5","4","7","5","6","3","1") = "6"
    & skf18("5","4","7","5","6","4","1") = "6"
    & skf18("5","4","7","5","6","5","1") = "6"
    & skf18("5","4","7","5","6","6","1") = "6"
    & skf18("5","4","7","5","6","7","1") = "6"
    & skf18("5","4","7","5","6","8","1") = "7"
    & skf18("5","4","7","5","6","9","1") = "8"
    & skf18("5","4","7","5","6","10","1") = "9"
    & skf18("5","4","7","5","7","1","1") = "6"
    & skf18("5","4","7","5","7","2","1") = "6"
    & skf18("5","4","7","5","7","3","1") = "6"
    & skf18("5","4","7","5","7","4","1") = "6"
    & skf18("5","4","7","5","7","5","1") = "6"
    & skf18("5","4","7","5","7","6","1") = "6"
    & skf18("5","4","7","5","7","7","1") = "6"
    & skf18("5","4","7","5","7","8","1") = "7"
    & skf18("5","4","7","5","7","9","1") = "8"
    & skf18("5","4","7","5","7","10","1") = "9"
    & skf18("5","4","7","5","8","1","1") = "7"
    & skf18("5","4","7","5","8","2","1") = "7"
    & skf18("5","4","7","5","8","3","1") = "7"
    & skf18("5","4","7","5","8","4","1") = "7"
    & skf18("5","4","7","5","8","5","1") = "7"
    & skf18("5","4","7","5","8","6","1") = "7"
    & skf18("5","4","7","5","8","7","1") = "7"
    & skf18("5","4","7","5","8","8","1") = "7"
    & skf18("5","4","7","5","8","9","1") = "8"
    & skf18("5","4","7","5","8","10","1") = "9"
    & skf18("5","4","7","5","9","1","1") = "8"
    & skf18("5","4","7","5","9","2","1") = "8"
    & skf18("5","4","7","5","9","3","1") = "8"
    & skf18("5","4","7","5","9","4","1") = "8"
    & skf18("5","4","7","5","9","5","1") = "8"
    & skf18("5","4","7","5","9","6","1") = "8"
    & skf18("5","4","7","5","9","7","1") = "8"
    & skf18("5","4","7","5","9","8","1") = "8"
    & skf18("5","4","7","5","9","9","1") = "8"
    & skf18("5","4","7","5","9","10","1") = "9"
    & skf18("5","4","7","5","10","1","1") = "9"
    & skf18("5","4","7","5","10","2","1") = "9"
    & skf18("5","4","7","5","10","3","1") = "9"
    & skf18("5","4","7","5","10","4","1") = "9"
    & skf18("5","4","7","5","10","5","1") = "9"
    & skf18("5","4","7","5","10","6","1") = "9"
    & skf18("5","4","7","5","10","7","1") = "9"
    & skf18("5","4","7","5","10","8","1") = "9"
    & skf18("5","4","7","5","10","9","1") = "9"
    & skf18("5","4","7","5","10","10","1") = "9"
    & skf18("5","4","7","6","1","1","1") = "6"
    & skf18("5","4","7","6","1","2","1") = "6"
    & skf18("5","4","7","6","1","3","1") = "6"
    & skf18("5","4","7","6","1","4","1") = "6"
    & skf18("5","4","7","6","1","5","1") = "6"
    & skf18("5","4","7","6","1","6","1") = "6"
    & skf18("5","4","7","6","1","7","1") = "6"
    & skf18("5","4","7","6","1","8","1") = "7"
    & skf18("5","4","7","6","1","9","1") = "8"
    & skf18("5","4","7","6","1","10","1") = "9"
    & skf18("5","4","7","6","2","1","1") = "6"
    & skf18("5","4","7","6","2","2","1") = "6"
    & skf18("5","4","7","6","2","3","1") = "6"
    & skf18("5","4","7","6","2","4","1") = "6"
    & skf18("5","4","7","6","2","5","1") = "6"
    & skf18("5","4","7","6","2","6","1") = "6"
    & skf18("5","4","7","6","2","7","1") = "6"
    & skf18("5","4","7","6","2","8","1") = "7"
    & skf18("5","4","7","6","2","9","1") = "8"
    & skf18("5","4","7","6","2","10","1") = "9"
    & skf18("5","4","7","6","3","1","1") = "6"
    & skf18("5","4","7","6","3","2","1") = "6"
    & skf18("5","4","7","6","3","3","1") = "6"
    & skf18("5","4","7","6","3","4","1") = "6"
    & skf18("5","4","7","6","3","5","1") = "6"
    & skf18("5","4","7","6","3","6","1") = "6"
    & skf18("5","4","7","6","3","7","1") = "6"
    & skf18("5","4","7","6","3","8","1") = "7"
    & skf18("5","4","7","6","3","9","1") = "8"
    & skf18("5","4","7","6","3","10","1") = "9"
    & skf18("5","4","7","6","4","1","1") = "6"
    & skf18("5","4","7","6","4","2","1") = "6"
    & skf18("5","4","7","6","4","3","1") = "6"
    & skf18("5","4","7","6","4","4","1") = "6"
    & skf18("5","4","7","6","4","5","1") = "6"
    & skf18("5","4","7","6","4","6","1") = "6"
    & skf18("5","4","7","6","4","7","1") = "6"
    & skf18("5","4","7","6","4","8","1") = "7"
    & skf18("5","4","7","6","4","9","1") = "8"
    & skf18("5","4","7","6","4","10","1") = "9"
    & skf18("5","4","7","6","5","1","1") = "6"
    & skf18("5","4","7","6","5","2","1") = "6"
    & skf18("5","4","7","6","5","3","1") = "6"
    & skf18("5","4","7","6","5","4","1") = "6"
    & skf18("5","4","7","6","5","5","1") = "6"
    & skf18("5","4","7","6","5","6","1") = "6"
    & skf18("5","4","7","6","5","7","1") = "6"
    & skf18("5","4","7","6","5","8","1") = "7"
    & skf18("5","4","7","6","5","9","1") = "8"
    & skf18("5","4","7","6","5","10","1") = "9"
    & skf18("5","4","7","6","6","1","1") = "6"
    & skf18("5","4","7","6","6","2","1") = "6"
    & skf18("5","4","7","6","6","3","1") = "6"
    & skf18("5","4","7","6","6","4","1") = "6"
    & skf18("5","4","7","6","6","5","1") = "6"
    & skf18("5","4","7","6","6","6","1") = "6"
    & skf18("5","4","7","6","6","7","1") = "6"
    & skf18("5","4","7","6","6","8","1") = "7"
    & skf18("5","4","7","6","6","9","1") = "8"
    & skf18("5","4","7","6","6","10","1") = "9"
    & skf18("5","4","7","6","7","1","1") = "6"
    & skf18("5","4","7","6","7","2","1") = "6"
    & skf18("5","4","7","6","7","3","1") = "6"
    & skf18("5","4","7","6","7","4","1") = "6"
    & skf18("5","4","7","6","7","5","1") = "6"
    & skf18("5","4","7","6","7","6","1") = "6"
    & skf18("5","4","7","6","7","7","1") = "6"
    & skf18("5","4","7","6","7","8","1") = "7"
    & skf18("5","4","7","6","7","9","1") = "8"
    & skf18("5","4","7","6","7","10","1") = "9"
    & skf18("5","4","7","6","8","1","1") = "7"
    & skf18("5","4","7","6","8","2","1") = "7"
    & skf18("5","4","7","6","8","3","1") = "7"
    & skf18("5","4","7","6","8","4","1") = "7"
    & skf18("5","4","7","6","8","5","1") = "7"
    & skf18("5","4","7","6","8","6","1") = "7"
    & skf18("5","4","7","6","8","7","1") = "7"
    & skf18("5","4","7","6","8","8","1") = "7"
    & skf18("5","4","7","6","8","9","1") = "8"
    & skf18("5","4","7","6","8","10","1") = "9"
    & skf18("5","4","7","6","9","1","1") = "8"
    & skf18("5","4","7","6","9","2","1") = "8"
    & skf18("5","4","7","6","9","3","1") = "8"
    & skf18("5","4","7","6","9","4","1") = "8"
    & skf18("5","4","7","6","9","5","1") = "8"
    & skf18("5","4","7","6","9","6","1") = "8"
    & skf18("5","4","7","6","9","7","1") = "8"
    & skf18("5","4","7","6","9","8","1") = "8"
    & skf18("5","4","7","6","9","9","1") = "8"
    & skf18("5","4","7","6","9","10","1") = "9"
    & skf18("5","4","7","6","10","1","1") = "9"
    & skf18("5","4","7","6","10","2","1") = "9"
    & skf18("5","4","7","6","10","3","1") = "9"
    & skf18("5","4","7","6","10","4","1") = "9"
    & skf18("5","4","7","6","10","5","1") = "9"
    & skf18("5","4","7","6","10","6","1") = "9"
    & skf18("5","4","7","6","10","7","1") = "9"
    & skf18("5","4","7","6","10","8","1") = "9"
    & skf18("5","4","7","6","10","9","1") = "9"
    & skf18("5","4","7","6","10","10","1") = "9"
    & skf18("5","4","7","7","1","1","1") = "6"
    & skf18("5","4","7","7","1","2","1") = "6"
    & skf18("5","4","7","7","1","3","1") = "6"
    & skf18("5","4","7","7","1","4","1") = "6"
    & skf18("5","4","7","7","1","5","1") = "6"
    & skf18("5","4","7","7","1","6","1") = "6"
    & skf18("5","4","7","7","1","7","1") = "6"
    & skf18("5","4","7","7","1","8","1") = "7"
    & skf18("5","4","7","7","1","9","1") = "8"
    & skf18("5","4","7","7","1","10","1") = "9"
    & skf18("5","4","7","7","2","1","1") = "6"
    & skf18("5","4","7","7","2","2","1") = "6"
    & skf18("5","4","7","7","2","3","1") = "6"
    & skf18("5","4","7","7","2","4","1") = "6"
    & skf18("5","4","7","7","2","5","1") = "6"
    & skf18("5","4","7","7","2","6","1") = "6"
    & skf18("5","4","7","7","2","7","1") = "6"
    & skf18("5","4","7","7","2","8","1") = "7"
    & skf18("5","4","7","7","2","9","1") = "8"
    & skf18("5","4","7","7","2","10","1") = "9"
    & skf18("5","4","7","7","3","1","1") = "6"
    & skf18("5","4","7","7","3","2","1") = "6"
    & skf18("5","4","7","7","3","3","1") = "6"
    & skf18("5","4","7","7","3","4","1") = "6"
    & skf18("5","4","7","7","3","5","1") = "6"
    & skf18("5","4","7","7","3","6","1") = "6"
    & skf18("5","4","7","7","3","7","1") = "6"
    & skf18("5","4","7","7","3","8","1") = "7"
    & skf18("5","4","7","7","3","9","1") = "8"
    & skf18("5","4","7","7","3","10","1") = "9"
    & skf18("5","4","7","7","4","1","1") = "6"
    & skf18("5","4","7","7","4","2","1") = "6"
    & skf18("5","4","7","7","4","3","1") = "6"
    & skf18("5","4","7","7","4","4","1") = "6"
    & skf18("5","4","7","7","4","5","1") = "6"
    & skf18("5","4","7","7","4","6","1") = "6"
    & skf18("5","4","7","7","4","7","1") = "6"
    & skf18("5","4","7","7","4","8","1") = "7"
    & skf18("5","4","7","7","4","9","1") = "8"
    & skf18("5","4","7","7","4","10","1") = "9"
    & skf18("5","4","7","7","5","1","1") = "6"
    & skf18("5","4","7","7","5","2","1") = "6"
    & skf18("5","4","7","7","5","3","1") = "6"
    & skf18("5","4","7","7","5","4","1") = "6"
    & skf18("5","4","7","7","5","5","1") = "6"
    & skf18("5","4","7","7","5","6","1") = "6"
    & skf18("5","4","7","7","5","7","1") = "6"
    & skf18("5","4","7","7","5","8","1") = "7"
    & skf18("5","4","7","7","5","9","1") = "8"
    & skf18("5","4","7","7","5","10","1") = "9"
    & skf18("5","4","7","7","6","1","1") = "6"
    & skf18("5","4","7","7","6","2","1") = "6"
    & skf18("5","4","7","7","6","3","1") = "6"
    & skf18("5","4","7","7","6","4","1") = "6"
    & skf18("5","4","7","7","6","5","1") = "6"
    & skf18("5","4","7","7","6","6","1") = "6"
    & skf18("5","4","7","7","6","7","1") = "6"
    & skf18("5","4","7","7","6","8","1") = "7"
    & skf18("5","4","7","7","6","9","1") = "8"
    & skf18("5","4","7","7","6","10","1") = "9"
    & skf18("5","4","7","7","7","1","1") = "6"
    & skf18("5","4","7","7","7","2","1") = "6"
    & skf18("5","4","7","7","7","3","1") = "6"
    & skf18("5","4","7","7","7","4","1") = "6"
    & skf18("5","4","7","7","7","5","1") = "6"
    & skf18("5","4","7","7","7","6","1") = "6"
    & skf18("5","4","7","7","7","7","1") = "6"
    & skf18("5","4","7","7","7","8","1") = "7"
    & skf18("5","4","7","7","7","9","1") = "8"
    & skf18("5","4","7","7","7","10","1") = "9"
    & skf18("5","4","7","7","8","1","1") = "7"
    & skf18("5","4","7","7","8","2","1") = "7"
    & skf18("5","4","7","7","8","3","1") = "7"
    & skf18("5","4","7","7","8","4","1") = "7"
    & skf18("5","4","7","7","8","5","1") = "7"
    & skf18("5","4","7","7","8","6","1") = "7"
    & skf18("5","4","7","7","8","7","1") = "7"
    & skf18("5","4","7","7","8","8","1") = "7"
    & skf18("5","4","7","7","8","9","1") = "8"
    & skf18("5","4","7","7","8","10","1") = "9"
    & skf18("5","4","7","7","9","1","1") = "8"
    & skf18("5","4","7","7","9","2","1") = "8"
    & skf18("5","4","7","7","9","3","1") = "8"
    & skf18("5","4","7","7","9","4","1") = "8"
    & skf18("5","4","7","7","9","5","1") = "8"
    & skf18("5","4","7","7","9","6","1") = "8"
    & skf18("5","4","7","7","9","7","1") = "8"
    & skf18("5","4","7","7","9","8","1") = "8"
    & skf18("5","4","7","7","9","9","1") = "8"
    & skf18("5","4","7","7","9","10","1") = "9"
    & skf18("5","4","7","7","10","1","1") = "9"
    & skf18("5","4","7","7","10","2","1") = "9"
    & skf18("5","4","7","7","10","3","1") = "9"
    & skf18("5","4","7","7","10","4","1") = "9"
    & skf18("5","4","7","7","10","5","1") = "9"
    & skf18("5","4","7","7","10","6","1") = "9"
    & skf18("5","4","7","7","10","7","1") = "9"
    & skf18("5","4","7","7","10","8","1") = "9"
    & skf18("5","4","7","7","10","9","1") = "9"
    & skf18("5","4","7","7","10","10","1") = "9"
    & skf18("5","4","7","8","1","1","1") = "7"
    & skf18("5","4","7","8","1","2","1") = "7"
    & skf18("5","4","7","8","1","3","1") = "7"
    & skf18("5","4","7","8","1","4","1") = "7"
    & skf18("5","4","7","8","1","5","1") = "7"
    & skf18("5","4","7","8","1","6","1") = "7"
    & skf18("5","4","7","8","1","7","1") = "7"
    & skf18("5","4","7","8","1","8","1") = "7"
    & skf18("5","4","7","8","1","9","1") = "8"
    & skf18("5","4","7","8","1","10","1") = "9"
    & skf18("5","4","7","8","2","1","1") = "7"
    & skf18("5","4","7","8","2","2","1") = "7"
    & skf18("5","4","7","8","2","3","1") = "7"
    & skf18("5","4","7","8","2","4","1") = "7"
    & skf18("5","4","7","8","2","5","1") = "7"
    & skf18("5","4","7","8","2","6","1") = "7"
    & skf18("5","4","7","8","2","7","1") = "7"
    & skf18("5","4","7","8","2","8","1") = "7"
    & skf18("5","4","7","8","2","9","1") = "8"
    & skf18("5","4","7","8","2","10","1") = "9"
    & skf18("5","4","7","8","3","1","1") = "7"
    & skf18("5","4","7","8","3","2","1") = "7"
    & skf18("5","4","7","8","3","3","1") = "7"
    & skf18("5","4","7","8","3","4","1") = "7"
    & skf18("5","4","7","8","3","5","1") = "7"
    & skf18("5","4","7","8","3","6","1") = "7"
    & skf18("5","4","7","8","3","7","1") = "7"
    & skf18("5","4","7","8","3","8","1") = "7"
    & skf18("5","4","7","8","3","9","1") = "8"
    & skf18("5","4","7","8","3","10","1") = "9"
    & skf18("5","4","7","8","4","1","1") = "7"
    & skf18("5","4","7","8","4","2","1") = "7"
    & skf18("5","4","7","8","4","3","1") = "7"
    & skf18("5","4","7","8","4","4","1") = "7"
    & skf18("5","4","7","8","4","5","1") = "7"
    & skf18("5","4","7","8","4","6","1") = "7"
    & skf18("5","4","7","8","4","7","1") = "7"
    & skf18("5","4","7","8","4","8","1") = "7"
    & skf18("5","4","7","8","4","9","1") = "8"
    & skf18("5","4","7","8","4","10","1") = "9"
    & skf18("5","4","7","8","5","1","1") = "7"
    & skf18("5","4","7","8","5","2","1") = "7"
    & skf18("5","4","7","8","5","3","1") = "7"
    & skf18("5","4","7","8","5","4","1") = "7"
    & skf18("5","4","7","8","5","5","1") = "7"
    & skf18("5","4","7","8","5","6","1") = "7"
    & skf18("5","4","7","8","5","7","1") = "7"
    & skf18("5","4","7","8","5","8","1") = "7"
    & skf18("5","4","7","8","5","9","1") = "8"
    & skf18("5","4","7","8","5","10","1") = "9"
    & skf18("5","4","7","8","6","1","1") = "7"
    & skf18("5","4","7","8","6","2","1") = "7"
    & skf18("5","4","7","8","6","3","1") = "7"
    & skf18("5","4","7","8","6","4","1") = "7"
    & skf18("5","4","7","8","6","5","1") = "7"
    & skf18("5","4","7","8","6","6","1") = "7"
    & skf18("5","4","7","8","6","7","1") = "7"
    & skf18("5","4","7","8","6","8","1") = "7"
    & skf18("5","4","7","8","6","9","1") = "8"
    & skf18("5","4","7","8","6","10","1") = "9"
    & skf18("5","4","7","8","7","1","1") = "7"
    & skf18("5","4","7","8","7","2","1") = "7"
    & skf18("5","4","7","8","7","3","1") = "7"
    & skf18("5","4","7","8","7","4","1") = "7"
    & skf18("5","4","7","8","7","5","1") = "7"
    & skf18("5","4","7","8","7","6","1") = "7"
    & skf18("5","4","7","8","7","7","1") = "7"
    & skf18("5","4","7","8","7","8","1") = "7"
    & skf18("5","4","7","8","7","9","1") = "8"
    & skf18("5","4","7","8","7","10","1") = "9"
    & skf18("5","4","7","8","8","1","1") = "7"
    & skf18("5","4","7","8","8","2","1") = "7"
    & skf18("5","4","7","8","8","3","1") = "7"
    & skf18("5","4","7","8","8","4","1") = "7"
    & skf18("5","4","7","8","8","5","1") = "7"
    & skf18("5","4","7","8","8","6","1") = "7"
    & skf18("5","4","7","8","8","7","1") = "7"
    & skf18("5","4","7","8","8","8","1") = "7"
    & skf18("5","4","7","8","8","9","1") = "8"
    & skf18("5","4","7","8","8","10","1") = "9"
    & skf18("5","4","7","8","9","1","1") = "8"
    & skf18("5","4","7","8","9","2","1") = "8"
    & skf18("5","4","7","8","9","3","1") = "8"
    & skf18("5","4","7","8","9","4","1") = "8"
    & skf18("5","4","7","8","9","5","1") = "8"
    & skf18("5","4","7","8","9","6","1") = "8"
    & skf18("5","4","7","8","9","7","1") = "8"
    & skf18("5","4","7","8","9","8","1") = "8"
    & skf18("5","4","7","8","9","9","1") = "8"
    & skf18("5","4","7","8","9","10","1") = "9"
    & skf18("5","4","7","8","10","1","1") = "9"
    & skf18("5","4","7","8","10","2","1") = "9"
    & skf18("5","4","7","8","10","3","1") = "9"
    & skf18("5","4","7","8","10","4","1") = "9"
    & skf18("5","4","7","8","10","5","1") = "9"
    & skf18("5","4","7","8","10","6","1") = "9"
    & skf18("5","4","7","8","10","7","1") = "9"
    & skf18("5","4","7","8","10","8","1") = "9"
    & skf18("5","4","7","8","10","9","1") = "9"
    & skf18("5","4","7","8","10","10","1") = "9"
    & skf18("5","4","7","9","1","1","1") = "8"
    & skf18("5","4","7","9","1","2","1") = "8"
    & skf18("5","4","7","9","1","3","1") = "8"
    & skf18("5","4","7","9","1","4","1") = "8"
    & skf18("5","4","7","9","1","5","1") = "8"
    & skf18("5","4","7","9","1","6","1") = "8"
    & skf18("5","4","7","9","1","7","1") = "8"
    & skf18("5","4","7","9","1","8","1") = "8"
    & skf18("5","4","7","9","1","9","1") = "8"
    & skf18("5","4","7","9","1","10","1") = "9"
    & skf18("5","4","7","9","2","1","1") = "8"
    & skf18("5","4","7","9","2","2","1") = "8"
    & skf18("5","4","7","9","2","3","1") = "8"
    & skf18("5","4","7","9","2","4","1") = "8"
    & skf18("5","4","7","9","2","5","1") = "8"
    & skf18("5","4","7","9","2","6","1") = "8"
    & skf18("5","4","7","9","2","7","1") = "8"
    & skf18("5","4","7","9","2","8","1") = "8"
    & skf18("5","4","7","9","2","9","1") = "8"
    & skf18("5","4","7","9","2","10","1") = "9"
    & skf18("5","4","7","9","3","1","1") = "8"
    & skf18("5","4","7","9","3","2","1") = "8"
    & skf18("5","4","7","9","3","3","1") = "8"
    & skf18("5","4","7","9","3","4","1") = "8"
    & skf18("5","4","7","9","3","5","1") = "8"
    & skf18("5","4","7","9","3","6","1") = "8"
    & skf18("5","4","7","9","3","7","1") = "8"
    & skf18("5","4","7","9","3","8","1") = "8"
    & skf18("5","4","7","9","3","9","1") = "8"
    & skf18("5","4","7","9","3","10","1") = "9"
    & skf18("5","4","7","9","4","1","1") = "8"
    & skf18("5","4","7","9","4","2","1") = "8"
    & skf18("5","4","7","9","4","3","1") = "8"
    & skf18("5","4","7","9","4","4","1") = "8"
    & skf18("5","4","7","9","4","5","1") = "8"
    & skf18("5","4","7","9","4","6","1") = "8"
    & skf18("5","4","7","9","4","7","1") = "8"
    & skf18("5","4","7","9","4","8","1") = "8"
    & skf18("5","4","7","9","4","9","1") = "8"
    & skf18("5","4","7","9","4","10","1") = "9"
    & skf18("5","4","7","9","5","1","1") = "8"
    & skf18("5","4","7","9","5","2","1") = "8"
    & skf18("5","4","7","9","5","3","1") = "8"
    & skf18("5","4","7","9","5","4","1") = "8"
    & skf18("5","4","7","9","5","5","1") = "8"
    & skf18("5","4","7","9","5","6","1") = "8"
    & skf18("5","4","7","9","5","7","1") = "8"
    & skf18("5","4","7","9","5","8","1") = "8"
    & skf18("5","4","7","9","5","9","1") = "8"
    & skf18("5","4","7","9","5","10","1") = "9"
    & skf18("5","4","7","9","6","1","1") = "8"
    & skf18("5","4","7","9","6","2","1") = "8"
    & skf18("5","4","7","9","6","3","1") = "8"
    & skf18("5","4","7","9","6","4","1") = "8"
    & skf18("5","4","7","9","6","5","1") = "8"
    & skf18("5","4","7","9","6","6","1") = "8"
    & skf18("5","4","7","9","6","7","1") = "8"
    & skf18("5","4","7","9","6","8","1") = "8"
    & skf18("5","4","7","9","6","9","1") = "8"
    & skf18("5","4","7","9","6","10","1") = "9"
    & skf18("5","4","7","9","7","1","1") = "8"
    & skf18("5","4","7","9","7","2","1") = "8"
    & skf18("5","4","7","9","7","3","1") = "8"
    & skf18("5","4","7","9","7","4","1") = "8"
    & skf18("5","4","7","9","7","5","1") = "8"
    & skf18("5","4","7","9","7","6","1") = "8"
    & skf18("5","4","7","9","7","7","1") = "8"
    & skf18("5","4","7","9","7","8","1") = "8"
    & skf18("5","4","7","9","7","9","1") = "8"
    & skf18("5","4","7","9","7","10","1") = "9"
    & skf18("5","4","7","9","8","1","1") = "8"
    & skf18("5","4","7","9","8","2","1") = "8"
    & skf18("5","4","7","9","8","3","1") = "8"
    & skf18("5","4","7","9","8","4","1") = "8"
    & skf18("5","4","7","9","8","5","1") = "8"
    & skf18("5","4","7","9","8","6","1") = "8"
    & skf18("5","4","7","9","8","7","1") = "8"
    & skf18("5","4","7","9","8","8","1") = "8"
    & skf18("5","4","7","9","8","9","1") = "8"
    & skf18("5","4","7","9","8","10","1") = "9"
    & skf18("5","4","7","9","9","1","1") = "8"
    & skf18("5","4","7","9","9","2","1") = "8"
    & skf18("5","4","7","9","9","3","1") = "8"
    & skf18("5","4","7","9","9","4","1") = "8"
    & skf18("5","4","7","9","9","5","1") = "8"
    & skf18("5","4","7","9","9","6","1") = "8"
    & skf18("5","4","7","9","9","7","1") = "8"
    & skf18("5","4","7","9","9","8","1") = "8"
    & skf18("5","4","7","9","9","9","1") = "8"
    & skf18("5","4","7","9","9","10","1") = "9"
    & skf18("5","4","7","9","10","1","1") = "9"
    & skf18("5","4","7","9","10","2","1") = "9"
    & skf18("5","4","7","9","10","3","1") = "9"
    & skf18("5","4","7","9","10","4","1") = "9"
    & skf18("5","4","7","9","10","5","1") = "9"
    & skf18("5","4","7","9","10","6","1") = "9"
    & skf18("5","4","7","9","10","7","1") = "9"
    & skf18("5","4","7","9","10","8","1") = "9"
    & skf18("5","4","7","9","10","9","1") = "9"
    & skf18("5","4","7","9","10","10","1") = "9"
    & skf18("5","4","7","10","1","1","1") = "9"
    & skf18("5","4","7","10","1","2","1") = "9"
    & skf18("5","4","7","10","1","3","1") = "9"
    & skf18("5","4","7","10","1","4","1") = "9"
    & skf18("5","4","7","10","1","5","1") = "9"
    & skf18("5","4","7","10","1","6","1") = "9"
    & skf18("5","4","7","10","1","7","1") = "9"
    & skf18("5","4","7","10","1","8","1") = "9"
    & skf18("5","4","7","10","1","9","1") = "9"
    & skf18("5","4","7","10","1","10","1") = "9"
    & skf18("5","4","7","10","2","1","1") = "9"
    & skf18("5","4","7","10","2","2","1") = "9"
    & skf18("5","4","7","10","2","3","1") = "9"
    & skf18("5","4","7","10","2","4","1") = "9"
    & skf18("5","4","7","10","2","5","1") = "9"
    & skf18("5","4","7","10","2","6","1") = "9"
    & skf18("5","4","7","10","2","7","1") = "9"
    & skf18("5","4","7","10","2","8","1") = "9"
    & skf18("5","4","7","10","2","9","1") = "9"
    & skf18("5","4","7","10","2","10","1") = "9"
    & skf18("5","4","7","10","3","1","1") = "9"
    & skf18("5","4","7","10","3","2","1") = "9"
    & skf18("5","4","7","10","3","3","1") = "9"
    & skf18("5","4","7","10","3","4","1") = "9"
    & skf18("5","4","7","10","3","5","1") = "9"
    & skf18("5","4","7","10","3","6","1") = "9"
    & skf18("5","4","7","10","3","7","1") = "9"
    & skf18("5","4","7","10","3","8","1") = "9"
    & skf18("5","4","7","10","3","9","1") = "9"
    & skf18("5","4","7","10","3","10","1") = "9"
    & skf18("5","4","7","10","4","1","1") = "9"
    & skf18("5","4","7","10","4","2","1") = "9"
    & skf18("5","4","7","10","4","3","1") = "9"
    & skf18("5","4","7","10","4","4","1") = "9"
    & skf18("5","4","7","10","4","5","1") = "9"
    & skf18("5","4","7","10","4","6","1") = "9"
    & skf18("5","4","7","10","4","7","1") = "9"
    & skf18("5","4","7","10","4","8","1") = "9"
    & skf18("5","4","7","10","4","9","1") = "9"
    & skf18("5","4","7","10","4","10","1") = "9"
    & skf18("5","4","7","10","5","1","1") = "9"
    & skf18("5","4","7","10","5","2","1") = "9"
    & skf18("5","4","7","10","5","3","1") = "9"
    & skf18("5","4","7","10","5","4","1") = "9"
    & skf18("5","4","7","10","5","5","1") = "9"
    & skf18("5","4","7","10","5","6","1") = "9"
    & skf18("5","4","7","10","5","7","1") = "9"
    & skf18("5","4","7","10","5","8","1") = "9"
    & skf18("5","4","7","10","5","9","1") = "9"
    & skf18("5","4","7","10","5","10","1") = "9"
    & skf18("5","4","7","10","6","1","1") = "9"
    & skf18("5","4","7","10","6","2","1") = "9"
    & skf18("5","4","7","10","6","3","1") = "9"
    & skf18("5","4","7","10","6","4","1") = "9"
    & skf18("5","4","7","10","6","5","1") = "9"
    & skf18("5","4","7","10","6","6","1") = "9"
    & skf18("5","4","7","10","6","7","1") = "9"
    & skf18("5","4","7","10","6","8","1") = "9"
    & skf18("5","4","7","10","6","9","1") = "9"
    & skf18("5","4","7","10","6","10","1") = "9"
    & skf18("5","4","7","10","7","1","1") = "9"
    & skf18("5","4","7","10","7","2","1") = "9"
    & skf18("5","4","7","10","7","3","1") = "9"
    & skf18("5","4","7","10","7","4","1") = "9"
    & skf18("5","4","7","10","7","5","1") = "9"
    & skf18("5","4","7","10","7","6","1") = "9"
    & skf18("5","4","7","10","7","7","1") = "9"
    & skf18("5","4","7","10","7","8","1") = "9"
    & skf18("5","4","7","10","7","9","1") = "9"
    & skf18("5","4","7","10","7","10","1") = "9"
    & skf18("5","4","7","10","8","1","1") = "9"
    & skf18("5","4","7","10","8","2","1") = "9"
    & skf18("5","4","7","10","8","3","1") = "9"
    & skf18("5","4","7","10","8","4","1") = "9"
    & skf18("5","4","7","10","8","5","1") = "9"
    & skf18("5","4","7","10","8","6","1") = "9"
    & skf18("5","4","7","10","8","7","1") = "9"
    & skf18("5","4","7","10","8","8","1") = "9"
    & skf18("5","4","7","10","8","9","1") = "9"
    & skf18("5","4","7","10","8","10","1") = "9"
    & skf18("5","4","7","10","9","1","1") = "9"
    & skf18("5","4","7","10","9","2","1") = "9"
    & skf18("5","4","7","10","9","3","1") = "9"
    & skf18("5","4","7","10","9","4","1") = "9"
    & skf18("5","4","7","10","9","5","1") = "9"
    & skf18("5","4","7","10","9","6","1") = "9"
    & skf18("5","4","7","10","9","7","1") = "9"
    & skf18("5","4","7","10","9","8","1") = "9"
    & skf18("5","4","7","10","9","9","1") = "9"
    & skf18("5","4","7","10","9","10","1") = "9"
    & skf18("5","4","7","10","10","1","1") = "9"
    & skf18("5","4","7","10","10","2","1") = "9"
    & skf18("5","4","7","10","10","3","1") = "9"
    & skf18("5","4","7","10","10","4","1") = "9"
    & skf18("5","4","7","10","10","5","1") = "9"
    & skf18("5","4","7","10","10","6","1") = "9"
    & skf18("5","4","7","10","10","7","1") = "9"
    & skf18("5","4","7","10","10","8","1") = "9"
    & skf18("5","4","7","10","10","9","1") = "9"
    & skf18("5","4","7","10","10","10","1") = "9"
    & skf18("5","4","8","1","1","1","1") = "7"
    & skf18("5","4","8","1","1","2","1") = "7"
    & skf18("5","4","8","1","1","3","1") = "7"
    & skf18("5","4","8","1","1","4","1") = "7"
    & skf18("5","4","8","1","1","5","1") = "7"
    & skf18("5","4","8","1","1","6","1") = "7"
    & skf18("5","4","8","1","1","7","1") = "7"
    & skf18("5","4","8","1","1","8","1") = "7"
    & skf18("5","4","8","1","1","9","1") = "8"
    & skf18("5","4","8","1","1","10","1") = "9"
    & skf18("5","4","8","1","2","1","1") = "7"
    & skf18("5","4","8","1","2","2","1") = "7"
    & skf18("5","4","8","1","2","3","1") = "7"
    & skf18("5","4","8","1","2","4","1") = "7"
    & skf18("5","4","8","1","2","5","1") = "7"
    & skf18("5","4","8","1","2","6","1") = "7"
    & skf18("5","4","8","1","2","7","1") = "7"
    & skf18("5","4","8","1","2","8","1") = "7"
    & skf18("5","4","8","1","2","9","1") = "8"
    & skf18("5","4","8","1","2","10","1") = "9"
    & skf18("5","4","8","1","3","1","1") = "7"
    & skf18("5","4","8","1","3","2","1") = "7"
    & skf18("5","4","8","1","3","3","1") = "7"
    & skf18("5","4","8","1","3","4","1") = "7"
    & skf18("5","4","8","1","3","5","1") = "7"
    & skf18("5","4","8","1","3","6","1") = "7"
    & skf18("5","4","8","1","3","7","1") = "7"
    & skf18("5","4","8","1","3","8","1") = "7"
    & skf18("5","4","8","1","3","9","1") = "8"
    & skf18("5","4","8","1","3","10","1") = "9"
    & skf18("5","4","8","1","4","1","1") = "7"
    & skf18("5","4","8","1","4","2","1") = "7"
    & skf18("5","4","8","1","4","3","1") = "7"
    & skf18("5","4","8","1","4","4","1") = "7"
    & skf18("5","4","8","1","4","5","1") = "7"
    & skf18("5","4","8","1","4","6","1") = "7"
    & skf18("5","4","8","1","4","7","1") = "7"
    & skf18("5","4","8","1","4","8","1") = "7"
    & skf18("5","4","8","1","4","9","1") = "8"
    & skf18("5","4","8","1","4","10","1") = "9"
    & skf18("5","4","8","1","5","1","1") = "7"
    & skf18("5","4","8","1","5","2","1") = "7"
    & skf18("5","4","8","1","5","3","1") = "7"
    & skf18("5","4","8","1","5","4","1") = "7"
    & skf18("5","4","8","1","5","5","1") = "7"
    & skf18("5","4","8","1","5","6","1") = "7"
    & skf18("5","4","8","1","5","7","1") = "7"
    & skf18("5","4","8","1","5","8","1") = "7"
    & skf18("5","4","8","1","5","9","1") = "8"
    & skf18("5","4","8","1","5","10","1") = "9"
    & skf18("5","4","8","1","6","1","1") = "7"
    & skf18("5","4","8","1","6","2","1") = "7"
    & skf18("5","4","8","1","6","3","1") = "7"
    & skf18("5","4","8","1","6","4","1") = "7"
    & skf18("5","4","8","1","6","5","1") = "7"
    & skf18("5","4","8","1","6","6","1") = "7"
    & skf18("5","4","8","1","6","7","1") = "7"
    & skf18("5","4","8","1","6","8","1") = "7"
    & skf18("5","4","8","1","6","9","1") = "8"
    & skf18("5","4","8","1","6","10","1") = "9"
    & skf18("5","4","8","1","7","1","1") = "7"
    & skf18("5","4","8","1","7","2","1") = "7"
    & skf18("5","4","8","1","7","3","1") = "7"
    & skf18("5","4","8","1","7","4","1") = "7"
    & skf18("5","4","8","1","7","5","1") = "7"
    & skf18("5","4","8","1","7","6","1") = "7"
    & skf18("5","4","8","1","7","7","1") = "7"
    & skf18("5","4","8","1","7","8","1") = "7"
    & skf18("5","4","8","1","7","9","1") = "8"
    & skf18("5","4","8","1","7","10","1") = "9"
    & skf18("5","4","8","1","8","1","1") = "7"
    & skf18("5","4","8","1","8","2","1") = "7"
    & skf18("5","4","8","1","8","3","1") = "7"
    & skf18("5","4","8","1","8","4","1") = "7"
    & skf18("5","4","8","1","8","5","1") = "7"
    & skf18("5","4","8","1","8","6","1") = "7"
    & skf18("5","4","8","1","8","7","1") = "7"
    & skf18("5","4","8","1","8","8","1") = "7"
    & skf18("5","4","8","1","8","9","1") = "8"
    & skf18("5","4","8","1","8","10","1") = "9"
    & skf18("5","4","8","1","9","1","1") = "8"
    & skf18("5","4","8","1","9","2","1") = "8"
    & skf18("5","4","8","1","9","3","1") = "8"
    & skf18("5","4","8","1","9","4","1") = "8"
    & skf18("5","4","8","1","9","5","1") = "8"
    & skf18("5","4","8","1","9","6","1") = "8"
    & skf18("5","4","8","1","9","7","1") = "8"
    & skf18("5","4","8","1","9","8","1") = "8"
    & skf18("5","4","8","1","9","9","1") = "8"
    & skf18("5","4","8","1","9","10","1") = "9"
    & skf18("5","4","8","1","10","1","1") = "9"
    & skf18("5","4","8","1","10","2","1") = "9"
    & skf18("5","4","8","1","10","3","1") = "9"
    & skf18("5","4","8","1","10","4","1") = "9"
    & skf18("5","4","8","1","10","5","1") = "9"
    & skf18("5","4","8","1","10","6","1") = "9"
    & skf18("5","4","8","1","10","7","1") = "9"
    & skf18("5","4","8","1","10","8","1") = "9"
    & skf18("5","4","8","1","10","9","1") = "9"
    & skf18("5","4","8","1","10","10","1") = "9"
    & skf18("5","4","8","2","1","1","1") = "7"
    & skf18("5","4","8","2","1","2","1") = "7"
    & skf18("5","4","8","2","1","3","1") = "7"
    & skf18("5","4","8","2","1","4","1") = "7"
    & skf18("5","4","8","2","1","5","1") = "7"
    & skf18("5","4","8","2","1","6","1") = "7"
    & skf18("5","4","8","2","1","7","1") = "7"
    & skf18("5","4","8","2","1","8","1") = "7"
    & skf18("5","4","8","2","1","9","1") = "8"
    & skf18("5","4","8","2","1","10","1") = "9"
    & skf18("5","4","8","2","2","1","1") = "7"
    & skf18("5","4","8","2","2","2","1") = "7"
    & skf18("5","4","8","2","2","3","1") = "7"
    & skf18("5","4","8","2","2","4","1") = "7"
    & skf18("5","4","8","2","2","5","1") = "7"
    & skf18("5","4","8","2","2","6","1") = "7"
    & skf18("5","4","8","2","2","7","1") = "7"
    & skf18("5","4","8","2","2","8","1") = "7"
    & skf18("5","4","8","2","2","9","1") = "8"
    & skf18("5","4","8","2","2","10","1") = "9"
    & skf18("5","4","8","2","3","1","1") = "7"
    & skf18("5","4","8","2","3","2","1") = "7"
    & skf18("5","4","8","2","3","3","1") = "7"
    & skf18("5","4","8","2","3","4","1") = "7"
    & skf18("5","4","8","2","3","5","1") = "7"
    & skf18("5","4","8","2","3","6","1") = "7"
    & skf18("5","4","8","2","3","7","1") = "7"
    & skf18("5","4","8","2","3","8","1") = "7"
    & skf18("5","4","8","2","3","9","1") = "8"
    & skf18("5","4","8","2","3","10","1") = "9"
    & skf18("5","4","8","2","4","1","1") = "7"
    & skf18("5","4","8","2","4","2","1") = "7"
    & skf18("5","4","8","2","4","3","1") = "7"
    & skf18("5","4","8","2","4","4","1") = "7"
    & skf18("5","4","8","2","4","5","1") = "7"
    & skf18("5","4","8","2","4","6","1") = "7"
    & skf18("5","4","8","2","4","7","1") = "7"
    & skf18("5","4","8","2","4","8","1") = "7"
    & skf18("5","4","8","2","4","9","1") = "8"
    & skf18("5","4","8","2","4","10","1") = "9"
    & skf18("5","4","8","2","5","1","1") = "7"
    & skf18("5","4","8","2","5","2","1") = "7"
    & skf18("5","4","8","2","5","3","1") = "7"
    & skf18("5","4","8","2","5","4","1") = "7"
    & skf18("5","4","8","2","5","5","1") = "7"
    & skf18("5","4","8","2","5","6","1") = "7"
    & skf18("5","4","8","2","5","7","1") = "7"
    & skf18("5","4","8","2","5","8","1") = "7"
    & skf18("5","4","8","2","5","9","1") = "8"
    & skf18("5","4","8","2","5","10","1") = "9"
    & skf18("5","4","8","2","6","1","1") = "7"
    & skf18("5","4","8","2","6","2","1") = "7"
    & skf18("5","4","8","2","6","3","1") = "7"
    & skf18("5","4","8","2","6","4","1") = "7"
    & skf18("5","4","8","2","6","5","1") = "7"
    & skf18("5","4","8","2","6","6","1") = "7"
    & skf18("5","4","8","2","6","7","1") = "7"
    & skf18("5","4","8","2","6","8","1") = "7"
    & skf18("5","4","8","2","6","9","1") = "8"
    & skf18("5","4","8","2","6","10","1") = "9"
    & skf18("5","4","8","2","7","1","1") = "7"
    & skf18("5","4","8","2","7","2","1") = "7"
    & skf18("5","4","8","2","7","3","1") = "7"
    & skf18("5","4","8","2","7","4","1") = "7"
    & skf18("5","4","8","2","7","5","1") = "7"
    & skf18("5","4","8","2","7","6","1") = "7"
    & skf18("5","4","8","2","7","7","1") = "7"
    & skf18("5","4","8","2","7","8","1") = "7"
    & skf18("5","4","8","2","7","9","1") = "8"
    & skf18("5","4","8","2","7","10","1") = "9"
    & skf18("5","4","8","2","8","1","1") = "7"
    & skf18("5","4","8","2","8","2","1") = "7"
    & skf18("5","4","8","2","8","3","1") = "7"
    & skf18("5","4","8","2","8","4","1") = "7"
    & skf18("5","4","8","2","8","5","1") = "7"
    & skf18("5","4","8","2","8","6","1") = "7"
    & skf18("5","4","8","2","8","7","1") = "7"
    & skf18("5","4","8","2","8","8","1") = "7"
    & skf18("5","4","8","2","8","9","1") = "8"
    & skf18("5","4","8","2","8","10","1") = "9"
    & skf18("5","4","8","2","9","1","1") = "8"
    & skf18("5","4","8","2","9","2","1") = "8"
    & skf18("5","4","8","2","9","3","1") = "8"
    & skf18("5","4","8","2","9","4","1") = "8"
    & skf18("5","4","8","2","9","5","1") = "8"
    & skf18("5","4","8","2","9","6","1") = "8"
    & skf18("5","4","8","2","9","7","1") = "8"
    & skf18("5","4","8","2","9","8","1") = "8"
    & skf18("5","4","8","2","9","9","1") = "8"
    & skf18("5","4","8","2","9","10","1") = "9"
    & skf18("5","4","8","2","10","1","1") = "9"
    & skf18("5","4","8","2","10","2","1") = "9"
    & skf18("5","4","8","2","10","3","1") = "9"
    & skf18("5","4","8","2","10","4","1") = "9"
    & skf18("5","4","8","2","10","5","1") = "9"
    & skf18("5","4","8","2","10","6","1") = "9"
    & skf18("5","4","8","2","10","7","1") = "9"
    & skf18("5","4","8","2","10","8","1") = "9"
    & skf18("5","4","8","2","10","9","1") = "9"
    & skf18("5","4","8","2","10","10","1") = "9"
    & skf18("5","4","8","3","1","1","1") = "7"
    & skf18("5","4","8","3","1","2","1") = "7"
    & skf18("5","4","8","3","1","3","1") = "7"
    & skf18("5","4","8","3","1","4","1") = "7"
    & skf18("5","4","8","3","1","5","1") = "7"
    & skf18("5","4","8","3","1","6","1") = "7"
    & skf18("5","4","8","3","1","7","1") = "7"
    & skf18("5","4","8","3","1","8","1") = "7"
    & skf18("5","4","8","3","1","9","1") = "8"
    & skf18("5","4","8","3","1","10","1") = "9"
    & skf18("5","4","8","3","2","1","1") = "7"
    & skf18("5","4","8","3","2","2","1") = "7"
    & skf18("5","4","8","3","2","3","1") = "7"
    & skf18("5","4","8","3","2","4","1") = "7"
    & skf18("5","4","8","3","2","5","1") = "7"
    & skf18("5","4","8","3","2","6","1") = "7"
    & skf18("5","4","8","3","2","7","1") = "7"
    & skf18("5","4","8","3","2","8","1") = "7"
    & skf18("5","4","8","3","2","9","1") = "8"
    & skf18("5","4","8","3","2","10","1") = "9"
    & skf18("5","4","8","3","3","1","1") = "7"
    & skf18("5","4","8","3","3","2","1") = "7"
    & skf18("5","4","8","3","3","3","1") = "7"
    & skf18("5","4","8","3","3","4","1") = "7"
    & skf18("5","4","8","3","3","5","1") = "7"
    & skf18("5","4","8","3","3","6","1") = "7"
    & skf18("5","4","8","3","3","7","1") = "7"
    & skf18("5","4","8","3","3","8","1") = "7"
    & skf18("5","4","8","3","3","9","1") = "8"
    & skf18("5","4","8","3","3","10","1") = "9"
    & skf18("5","4","8","3","4","1","1") = "7"
    & skf18("5","4","8","3","4","2","1") = "7"
    & skf18("5","4","8","3","4","3","1") = "7"
    & skf18("5","4","8","3","4","4","1") = "7"
    & skf18("5","4","8","3","4","5","1") = "7"
    & skf18("5","4","8","3","4","6","1") = "7"
    & skf18("5","4","8","3","4","7","1") = "7"
    & skf18("5","4","8","3","4","8","1") = "7"
    & skf18("5","4","8","3","4","9","1") = "8"
    & skf18("5","4","8","3","4","10","1") = "9"
    & skf18("5","4","8","3","5","1","1") = "7"
    & skf18("5","4","8","3","5","2","1") = "7"
    & skf18("5","4","8","3","5","3","1") = "7"
    & skf18("5","4","8","3","5","4","1") = "7"
    & skf18("5","4","8","3","5","5","1") = "7"
    & skf18("5","4","8","3","5","6","1") = "7"
    & skf18("5","4","8","3","5","7","1") = "7"
    & skf18("5","4","8","3","5","8","1") = "7"
    & skf18("5","4","8","3","5","9","1") = "8"
    & skf18("5","4","8","3","5","10","1") = "9"
    & skf18("5","4","8","3","6","1","1") = "7"
    & skf18("5","4","8","3","6","2","1") = "7"
    & skf18("5","4","8","3","6","3","1") = "7"
    & skf18("5","4","8","3","6","4","1") = "7"
    & skf18("5","4","8","3","6","5","1") = "7"
    & skf18("5","4","8","3","6","6","1") = "7"
    & skf18("5","4","8","3","6","7","1") = "7"
    & skf18("5","4","8","3","6","8","1") = "7"
    & skf18("5","4","8","3","6","9","1") = "8"
    & skf18("5","4","8","3","6","10","1") = "9"
    & skf18("5","4","8","3","7","1","1") = "7"
    & skf18("5","4","8","3","7","2","1") = "7"
    & skf18("5","4","8","3","7","3","1") = "7"
    & skf18("5","4","8","3","7","4","1") = "7"
    & skf18("5","4","8","3","7","5","1") = "7"
    & skf18("5","4","8","3","7","6","1") = "7"
    & skf18("5","4","8","3","7","7","1") = "7"
    & skf18("5","4","8","3","7","8","1") = "7"
    & skf18("5","4","8","3","7","9","1") = "8"
    & skf18("5","4","8","3","7","10","1") = "9"
    & skf18("5","4","8","3","8","1","1") = "7"
    & skf18("5","4","8","3","8","2","1") = "7"
    & skf18("5","4","8","3","8","3","1") = "7"
    & skf18("5","4","8","3","8","4","1") = "7"
    & skf18("5","4","8","3","8","5","1") = "7"
    & skf18("5","4","8","3","8","6","1") = "7"
    & skf18("5","4","8","3","8","7","1") = "7"
    & skf18("5","4","8","3","8","8","1") = "7"
    & skf18("5","4","8","3","8","9","1") = "8"
    & skf18("5","4","8","3","8","10","1") = "9"
    & skf18("5","4","8","3","9","1","1") = "8"
    & skf18("5","4","8","3","9","2","1") = "8"
    & skf18("5","4","8","3","9","3","1") = "8"
    & skf18("5","4","8","3","9","4","1") = "8"
    & skf18("5","4","8","3","9","5","1") = "8"
    & skf18("5","4","8","3","9","6","1") = "8"
    & skf18("5","4","8","3","9","7","1") = "8"
    & skf18("5","4","8","3","9","8","1") = "8"
    & skf18("5","4","8","3","9","9","1") = "8"
    & skf18("5","4","8","3","9","10","1") = "9"
    & skf18("5","4","8","3","10","1","1") = "9"
    & skf18("5","4","8","3","10","2","1") = "9"
    & skf18("5","4","8","3","10","3","1") = "9"
    & skf18("5","4","8","3","10","4","1") = "9"
    & skf18("5","4","8","3","10","5","1") = "9"
    & skf18("5","4","8","3","10","6","1") = "9"
    & skf18("5","4","8","3","10","7","1") = "9"
    & skf18("5","4","8","3","10","8","1") = "9"
    & skf18("5","4","8","3","10","9","1") = "9"
    & skf18("5","4","8","3","10","10","1") = "9"
    & skf18("5","4","8","4","1","1","1") = "7"
    & skf18("5","4","8","4","1","2","1") = "7"
    & skf18("5","4","8","4","1","3","1") = "7"
    & skf18("5","4","8","4","1","4","1") = "7"
    & skf18("5","4","8","4","1","5","1") = "7"
    & skf18("5","4","8","4","1","6","1") = "7"
    & skf18("5","4","8","4","1","7","1") = "7"
    & skf18("5","4","8","4","1","8","1") = "7"
    & skf18("5","4","8","4","1","9","1") = "8"
    & skf18("5","4","8","4","1","10","1") = "9"
    & skf18("5","4","8","4","2","1","1") = "7"
    & skf18("5","4","8","4","2","2","1") = "7"
    & skf18("5","4","8","4","2","3","1") = "7"
    & skf18("5","4","8","4","2","4","1") = "7"
    & skf18("5","4","8","4","2","5","1") = "7"
    & skf18("5","4","8","4","2","6","1") = "7"
    & skf18("5","4","8","4","2","7","1") = "7"
    & skf18("5","4","8","4","2","8","1") = "7"
    & skf18("5","4","8","4","2","9","1") = "8"
    & skf18("5","4","8","4","2","10","1") = "9"
    & skf18("5","4","8","4","3","1","1") = "7"
    & skf18("5","4","8","4","3","2","1") = "7"
    & skf18("5","4","8","4","3","3","1") = "7"
    & skf18("5","4","8","4","3","4","1") = "7"
    & skf18("5","4","8","4","3","5","1") = "7"
    & skf18("5","4","8","4","3","6","1") = "7"
    & skf18("5","4","8","4","3","7","1") = "7"
    & skf18("5","4","8","4","3","8","1") = "7"
    & skf18("5","4","8","4","3","9","1") = "8"
    & skf18("5","4","8","4","3","10","1") = "9"
    & skf18("5","4","8","4","4","1","1") = "7"
    & skf18("5","4","8","4","4","2","1") = "7"
    & skf18("5","4","8","4","4","3","1") = "7"
    & skf18("5","4","8","4","4","4","1") = "7"
    & skf18("5","4","8","4","4","5","1") = "7"
    & skf18("5","4","8","4","4","6","1") = "7"
    & skf18("5","4","8","4","4","7","1") = "7"
    & skf18("5","4","8","4","4","8","1") = "7"
    & skf18("5","4","8","4","4","9","1") = "8"
    & skf18("5","4","8","4","4","10","1") = "9"
    & skf18("5","4","8","4","5","1","1") = "7"
    & skf18("5","4","8","4","5","2","1") = "7"
    & skf18("5","4","8","4","5","3","1") = "7"
    & skf18("5","4","8","4","5","4","1") = "7"
    & skf18("5","4","8","4","5","5","1") = "7"
    & skf18("5","4","8","4","5","6","1") = "7"
    & skf18("5","4","8","4","5","7","1") = "7"
    & skf18("5","4","8","4","5","8","1") = "7"
    & skf18("5","4","8","4","5","9","1") = "8"
    & skf18("5","4","8","4","5","10","1") = "9"
    & skf18("5","4","8","4","6","1","1") = "7"
    & skf18("5","4","8","4","6","2","1") = "7"
    & skf18("5","4","8","4","6","3","1") = "7"
    & skf18("5","4","8","4","6","4","1") = "7"
    & skf18("5","4","8","4","6","5","1") = "7"
    & skf18("5","4","8","4","6","6","1") = "7"
    & skf18("5","4","8","4","6","7","1") = "7"
    & skf18("5","4","8","4","6","8","1") = "7"
    & skf18("5","4","8","4","6","9","1") = "8"
    & skf18("5","4","8","4","6","10","1") = "9"
    & skf18("5","4","8","4","7","1","1") = "7"
    & skf18("5","4","8","4","7","2","1") = "7"
    & skf18("5","4","8","4","7","3","1") = "7"
    & skf18("5","4","8","4","7","4","1") = "7"
    & skf18("5","4","8","4","7","5","1") = "7"
    & skf18("5","4","8","4","7","6","1") = "7"
    & skf18("5","4","8","4","7","7","1") = "7"
    & skf18("5","4","8","4","7","8","1") = "7"
    & skf18("5","4","8","4","7","9","1") = "8"
    & skf18("5","4","8","4","7","10","1") = "9"
    & skf18("5","4","8","4","8","1","1") = "7"
    & skf18("5","4","8","4","8","2","1") = "7"
    & skf18("5","4","8","4","8","3","1") = "7"
    & skf18("5","4","8","4","8","4","1") = "7"
    & skf18("5","4","8","4","8","5","1") = "7"
    & skf18("5","4","8","4","8","6","1") = "7"
    & skf18("5","4","8","4","8","7","1") = "7"
    & skf18("5","4","8","4","8","8","1") = "7"
    & skf18("5","4","8","4","8","9","1") = "8"
    & skf18("5","4","8","4","8","10","1") = "9"
    & skf18("5","4","8","4","9","1","1") = "8"
    & skf18("5","4","8","4","9","2","1") = "8"
    & skf18("5","4","8","4","9","3","1") = "8"
    & skf18("5","4","8","4","9","4","1") = "8"
    & skf18("5","4","8","4","9","5","1") = "8"
    & skf18("5","4","8","4","9","6","1") = "8"
    & skf18("5","4","8","4","9","7","1") = "8"
    & skf18("5","4","8","4","9","8","1") = "8"
    & skf18("5","4","8","4","9","9","1") = "8"
    & skf18("5","4","8","4","9","10","1") = "9"
    & skf18("5","4","8","4","10","1","1") = "9"
    & skf18("5","4","8","4","10","2","1") = "9"
    & skf18("5","4","8","4","10","3","1") = "9"
    & skf18("5","4","8","4","10","4","1") = "9"
    & skf18("5","4","8","4","10","5","1") = "9"
    & skf18("5","4","8","4","10","6","1") = "9"
    & skf18("5","4","8","4","10","7","1") = "9"
    & skf18("5","4","8","4","10","8","1") = "9"
    & skf18("5","4","8","4","10","9","1") = "9"
    & skf18("5","4","8","4","10","10","1") = "9"
    & skf18("5","4","8","5","1","1","1") = "7"
    & skf18("5","4","8","5","1","2","1") = "7"
    & skf18("5","4","8","5","1","3","1") = "7"
    & skf18("5","4","8","5","1","4","1") = "7"
    & skf18("5","4","8","5","1","5","1") = "7"
    & skf18("5","4","8","5","1","6","1") = "7"
    & skf18("5","4","8","5","1","7","1") = "7"
    & skf18("5","4","8","5","1","8","1") = "7"
    & skf18("5","4","8","5","1","9","1") = "8"
    & skf18("5","4","8","5","1","10","1") = "9"
    & skf18("5","4","8","5","2","1","1") = "7"
    & skf18("5","4","8","5","2","2","1") = "7"
    & skf18("5","4","8","5","2","3","1") = "7"
    & skf18("5","4","8","5","2","4","1") = "7"
    & skf18("5","4","8","5","2","5","1") = "7"
    & skf18("5","4","8","5","2","6","1") = "7"
    & skf18("5","4","8","5","2","7","1") = "7"
    & skf18("5","4","8","5","2","8","1") = "7"
    & skf18("5","4","8","5","2","9","1") = "8"
    & skf18("5","4","8","5","2","10","1") = "9"
    & skf18("5","4","8","5","3","1","1") = "7"
    & skf18("5","4","8","5","3","2","1") = "7"
    & skf18("5","4","8","5","3","3","1") = "7"
    & skf18("5","4","8","5","3","4","1") = "7"
    & skf18("5","4","8","5","3","5","1") = "7"
    & skf18("5","4","8","5","3","6","1") = "7"
    & skf18("5","4","8","5","3","7","1") = "7"
    & skf18("5","4","8","5","3","8","1") = "7"
    & skf18("5","4","8","5","3","9","1") = "8"
    & skf18("5","4","8","5","3","10","1") = "9"
    & skf18("5","4","8","5","4","1","1") = "7"
    & skf18("5","4","8","5","4","2","1") = "7"
    & skf18("5","4","8","5","4","3","1") = "7"
    & skf18("5","4","8","5","4","4","1") = "7"
    & skf18("5","4","8","5","4","5","1") = "7"
    & skf18("5","4","8","5","4","6","1") = "7"
    & skf18("5","4","8","5","4","7","1") = "7"
    & skf18("5","4","8","5","4","8","1") = "7"
    & skf18("5","4","8","5","4","9","1") = "8"
    & skf18("5","4","8","5","4","10","1") = "9"
    & skf18("5","4","8","5","5","1","1") = "7"
    & skf18("5","4","8","5","5","2","1") = "7"
    & skf18("5","4","8","5","5","3","1") = "7"
    & skf18("5","4","8","5","5","4","1") = "7"
    & skf18("5","4","8","5","5","5","1") = "7"
    & skf18("5","4","8","5","5","6","1") = "7"
    & skf18("5","4","8","5","5","7","1") = "7"
    & skf18("5","4","8","5","5","8","1") = "7"
    & skf18("5","4","8","5","5","9","1") = "8"
    & skf18("5","4","8","5","5","10","1") = "9"
    & skf18("5","4","8","5","6","1","1") = "7"
    & skf18("5","4","8","5","6","2","1") = "7"
    & skf18("5","4","8","5","6","3","1") = "7"
    & skf18("5","4","8","5","6","4","1") = "7"
    & skf18("5","4","8","5","6","5","1") = "7"
    & skf18("5","4","8","5","6","6","1") = "7"
    & skf18("5","4","8","5","6","7","1") = "7"
    & skf18("5","4","8","5","6","8","1") = "7"
    & skf18("5","4","8","5","6","9","1") = "8"
    & skf18("5","4","8","5","6","10","1") = "9"
    & skf18("5","4","8","5","7","1","1") = "7"
    & skf18("5","4","8","5","7","2","1") = "7"
    & skf18("5","4","8","5","7","3","1") = "7"
    & skf18("5","4","8","5","7","4","1") = "7"
    & skf18("5","4","8","5","7","5","1") = "7"
    & skf18("5","4","8","5","7","6","1") = "7"
    & skf18("5","4","8","5","7","7","1") = "7"
    & skf18("5","4","8","5","7","8","1") = "7"
    & skf18("5","4","8","5","7","9","1") = "8"
    & skf18("5","4","8","5","7","10","1") = "9"
    & skf18("5","4","8","5","8","1","1") = "7"
    & skf18("5","4","8","5","8","2","1") = "7"
    & skf18("5","4","8","5","8","3","1") = "7"
    & skf18("5","4","8","5","8","4","1") = "7"
    & skf18("5","4","8","5","8","5","1") = "7"
    & skf18("5","4","8","5","8","6","1") = "7"
    & skf18("5","4","8","5","8","7","1") = "7"
    & skf18("5","4","8","5","8","8","1") = "7"
    & skf18("5","4","8","5","8","9","1") = "8"
    & skf18("5","4","8","5","8","10","1") = "9"
    & skf18("5","4","8","5","9","1","1") = "8"
    & skf18("5","4","8","5","9","2","1") = "8"
    & skf18("5","4","8","5","9","3","1") = "8"
    & skf18("5","4","8","5","9","4","1") = "8"
    & skf18("5","4","8","5","9","5","1") = "8"
    & skf18("5","4","8","5","9","6","1") = "8"
    & skf18("5","4","8","5","9","7","1") = "8"
    & skf18("5","4","8","5","9","8","1") = "8"
    & skf18("5","4","8","5","9","9","1") = "8"
    & skf18("5","4","8","5","9","10","1") = "9"
    & skf18("5","4","8","5","10","1","1") = "9"
    & skf18("5","4","8","5","10","2","1") = "9"
    & skf18("5","4","8","5","10","3","1") = "9"
    & skf18("5","4","8","5","10","4","1") = "9"
    & skf18("5","4","8","5","10","5","1") = "9"
    & skf18("5","4","8","5","10","6","1") = "9"
    & skf18("5","4","8","5","10","7","1") = "9"
    & skf18("5","4","8","5","10","8","1") = "9"
    & skf18("5","4","8","5","10","9","1") = "9"
    & skf18("5","4","8","5","10","10","1") = "9"
    & skf18("5","4","8","6","1","1","1") = "7"
    & skf18("5","4","8","6","1","2","1") = "7"
    & skf18("5","4","8","6","1","3","1") = "7"
    & skf18("5","4","8","6","1","4","1") = "7"
    & skf18("5","4","8","6","1","5","1") = "7"
    & skf18("5","4","8","6","1","6","1") = "7"
    & skf18("5","4","8","6","1","7","1") = "7"
    & skf18("5","4","8","6","1","8","1") = "7"
    & skf18("5","4","8","6","1","9","1") = "8"
    & skf18("5","4","8","6","1","10","1") = "9"
    & skf18("5","4","8","6","2","1","1") = "7"
    & skf18("5","4","8","6","2","2","1") = "7"
    & skf18("5","4","8","6","2","3","1") = "7"
    & skf18("5","4","8","6","2","4","1") = "7"
    & skf18("5","4","8","6","2","5","1") = "7"
    & skf18("5","4","8","6","2","6","1") = "7"
    & skf18("5","4","8","6","2","7","1") = "7"
    & skf18("5","4","8","6","2","8","1") = "7"
    & skf18("5","4","8","6","2","9","1") = "8"
    & skf18("5","4","8","6","2","10","1") = "9"
    & skf18("5","4","8","6","3","1","1") = "7"
    & skf18("5","4","8","6","3","2","1") = "7"
    & skf18("5","4","8","6","3","3","1") = "7"
    & skf18("5","4","8","6","3","4","1") = "7"
    & skf18("5","4","8","6","3","5","1") = "7"
    & skf18("5","4","8","6","3","6","1") = "7"
    & skf18("5","4","8","6","3","7","1") = "7"
    & skf18("5","4","8","6","3","8","1") = "7"
    & skf18("5","4","8","6","3","9","1") = "8"
    & skf18("5","4","8","6","3","10","1") = "9"
    & skf18("5","4","8","6","4","1","1") = "7"
    & skf18("5","4","8","6","4","2","1") = "7"
    & skf18("5","4","8","6","4","3","1") = "7"
    & skf18("5","4","8","6","4","4","1") = "7"
    & skf18("5","4","8","6","4","5","1") = "7"
    & skf18("5","4","8","6","4","6","1") = "7"
    & skf18("5","4","8","6","4","7","1") = "7"
    & skf18("5","4","8","6","4","8","1") = "7"
    & skf18("5","4","8","6","4","9","1") = "8"
    & skf18("5","4","8","6","4","10","1") = "9"
    & skf18("5","4","8","6","5","1","1") = "7"
    & skf18("5","4","8","6","5","2","1") = "7"
    & skf18("5","4","8","6","5","3","1") = "7"
    & skf18("5","4","8","6","5","4","1") = "7"
    & skf18("5","4","8","6","5","5","1") = "7"
    & skf18("5","4","8","6","5","6","1") = "7"
    & skf18("5","4","8","6","5","7","1") = "7"
    & skf18("5","4","8","6","5","8","1") = "7"
    & skf18("5","4","8","6","5","9","1") = "8"
    & skf18("5","4","8","6","5","10","1") = "9"
    & skf18("5","4","8","6","6","1","1") = "7"
    & skf18("5","4","8","6","6","2","1") = "7"
    & skf18("5","4","8","6","6","3","1") = "7"
    & skf18("5","4","8","6","6","4","1") = "7"
    & skf18("5","4","8","6","6","5","1") = "7"
    & skf18("5","4","8","6","6","6","1") = "7"
    & skf18("5","4","8","6","6","7","1") = "7"
    & skf18("5","4","8","6","6","8","1") = "7"
    & skf18("5","4","8","6","6","9","1") = "8"
    & skf18("5","4","8","6","6","10","1") = "9"
    & skf18("5","4","8","6","7","1","1") = "7"
    & skf18("5","4","8","6","7","2","1") = "7"
    & skf18("5","4","8","6","7","3","1") = "7"
    & skf18("5","4","8","6","7","4","1") = "7"
    & skf18("5","4","8","6","7","5","1") = "7"
    & skf18("5","4","8","6","7","6","1") = "7"
    & skf18("5","4","8","6","7","7","1") = "7"
    & skf18("5","4","8","6","7","8","1") = "7"
    & skf18("5","4","8","6","7","9","1") = "8"
    & skf18("5","4","8","6","7","10","1") = "9"
    & skf18("5","4","8","6","8","1","1") = "7"
    & skf18("5","4","8","6","8","2","1") = "7"
    & skf18("5","4","8","6","8","3","1") = "7"
    & skf18("5","4","8","6","8","4","1") = "7"
    & skf18("5","4","8","6","8","5","1") = "7"
    & skf18("5","4","8","6","8","6","1") = "7"
    & skf18("5","4","8","6","8","7","1") = "7"
    & skf18("5","4","8","6","8","8","1") = "7"
    & skf18("5","4","8","6","8","9","1") = "8"
    & skf18("5","4","8","6","8","10","1") = "9"
    & skf18("5","4","8","6","9","1","1") = "8"
    & skf18("5","4","8","6","9","2","1") = "8"
    & skf18("5","4","8","6","9","3","1") = "8"
    & skf18("5","4","8","6","9","4","1") = "8"
    & skf18("5","4","8","6","9","5","1") = "8"
    & skf18("5","4","8","6","9","6","1") = "8"
    & skf18("5","4","8","6","9","7","1") = "8"
    & skf18("5","4","8","6","9","8","1") = "8"
    & skf18("5","4","8","6","9","9","1") = "8"
    & skf18("5","4","8","6","9","10","1") = "9"
    & skf18("5","4","8","6","10","1","1") = "9"
    & skf18("5","4","8","6","10","2","1") = "9"
    & skf18("5","4","8","6","10","3","1") = "9"
    & skf18("5","4","8","6","10","4","1") = "9"
    & skf18("5","4","8","6","10","5","1") = "9"
    & skf18("5","4","8","6","10","6","1") = "9"
    & skf18("5","4","8","6","10","7","1") = "9"
    & skf18("5","4","8","6","10","8","1") = "9"
    & skf18("5","4","8","6","10","9","1") = "9"
    & skf18("5","4","8","6","10","10","1") = "9"
    & skf18("5","4","8","7","1","1","1") = "7"
    & skf18("5","4","8","7","1","2","1") = "7"
    & skf18("5","4","8","7","1","3","1") = "7"
    & skf18("5","4","8","7","1","4","1") = "7"
    & skf18("5","4","8","7","1","5","1") = "7"
    & skf18("5","4","8","7","1","6","1") = "7"
    & skf18("5","4","8","7","1","7","1") = "7"
    & skf18("5","4","8","7","1","8","1") = "7"
    & skf18("5","4","8","7","1","9","1") = "8"
    & skf18("5","4","8","7","1","10","1") = "9"
    & skf18("5","4","8","7","2","1","1") = "7"
    & skf18("5","4","8","7","2","2","1") = "7"
    & skf18("5","4","8","7","2","3","1") = "7"
    & skf18("5","4","8","7","2","4","1") = "7"
    & skf18("5","4","8","7","2","5","1") = "7"
    & skf18("5","4","8","7","2","6","1") = "7"
    & skf18("5","4","8","7","2","7","1") = "7"
    & skf18("5","4","8","7","2","8","1") = "7"
    & skf18("5","4","8","7","2","9","1") = "8"
    & skf18("5","4","8","7","2","10","1") = "9"
    & skf18("5","4","8","7","3","1","1") = "7"
    & skf18("5","4","8","7","3","2","1") = "7"
    & skf18("5","4","8","7","3","3","1") = "7"
    & skf18("5","4","8","7","3","4","1") = "7"
    & skf18("5","4","8","7","3","5","1") = "7"
    & skf18("5","4","8","7","3","6","1") = "7"
    & skf18("5","4","8","7","3","7","1") = "7"
    & skf18("5","4","8","7","3","8","1") = "7"
    & skf18("5","4","8","7","3","9","1") = "8"
    & skf18("5","4","8","7","3","10","1") = "9"
    & skf18("5","4","8","7","4","1","1") = "7"
    & skf18("5","4","8","7","4","2","1") = "7"
    & skf18("5","4","8","7","4","3","1") = "7"
    & skf18("5","4","8","7","4","4","1") = "7"
    & skf18("5","4","8","7","4","5","1") = "7"
    & skf18("5","4","8","7","4","6","1") = "7"
    & skf18("5","4","8","7","4","7","1") = "7"
    & skf18("5","4","8","7","4","8","1") = "7"
    & skf18("5","4","8","7","4","9","1") = "8"
    & skf18("5","4","8","7","4","10","1") = "9"
    & skf18("5","4","8","7","5","1","1") = "7"
    & skf18("5","4","8","7","5","2","1") = "7"
    & skf18("5","4","8","7","5","3","1") = "7"
    & skf18("5","4","8","7","5","4","1") = "7"
    & skf18("5","4","8","7","5","5","1") = "7"
    & skf18("5","4","8","7","5","6","1") = "7"
    & skf18("5","4","8","7","5","7","1") = "7"
    & skf18("5","4","8","7","5","8","1") = "7"
    & skf18("5","4","8","7","5","9","1") = "8"
    & skf18("5","4","8","7","5","10","1") = "9"
    & skf18("5","4","8","7","6","1","1") = "7"
    & skf18("5","4","8","7","6","2","1") = "7"
    & skf18("5","4","8","7","6","3","1") = "7"
    & skf18("5","4","8","7","6","4","1") = "7"
    & skf18("5","4","8","7","6","5","1") = "7"
    & skf18("5","4","8","7","6","6","1") = "7"
    & skf18("5","4","8","7","6","7","1") = "7"
    & skf18("5","4","8","7","6","8","1") = "7"
    & skf18("5","4","8","7","6","9","1") = "8"
    & skf18("5","4","8","7","6","10","1") = "9"
    & skf18("5","4","8","7","7","1","1") = "7"
    & skf18("5","4","8","7","7","2","1") = "7"
    & skf18("5","4","8","7","7","3","1") = "7"
    & skf18("5","4","8","7","7","4","1") = "7"
    & skf18("5","4","8","7","7","5","1") = "7"
    & skf18("5","4","8","7","7","6","1") = "7"
    & skf18("5","4","8","7","7","7","1") = "7"
    & skf18("5","4","8","7","7","8","1") = "7"
    & skf18("5","4","8","7","7","9","1") = "8"
    & skf18("5","4","8","7","7","10","1") = "9"
    & skf18("5","4","8","7","8","1","1") = "7"
    & skf18("5","4","8","7","8","2","1") = "7"
    & skf18("5","4","8","7","8","3","1") = "7"
    & skf18("5","4","8","7","8","4","1") = "7"
    & skf18("5","4","8","7","8","5","1") = "7"
    & skf18("5","4","8","7","8","6","1") = "7"
    & skf18("5","4","8","7","8","7","1") = "7"
    & skf18("5","4","8","7","8","8","1") = "7"
    & skf18("5","4","8","7","8","9","1") = "8"
    & skf18("5","4","8","7","8","10","1") = "9"
    & skf18("5","4","8","7","9","1","1") = "8"
    & skf18("5","4","8","7","9","2","1") = "8"
    & skf18("5","4","8","7","9","3","1") = "8"
    & skf18("5","4","8","7","9","4","1") = "8"
    & skf18("5","4","8","7","9","5","1") = "8"
    & skf18("5","4","8","7","9","6","1") = "8"
    & skf18("5","4","8","7","9","7","1") = "8"
    & skf18("5","4","8","7","9","8","1") = "8"
    & skf18("5","4","8","7","9","9","1") = "8"
    & skf18("5","4","8","7","9","10","1") = "9"
    & skf18("5","4","8","7","10","1","1") = "9"
    & skf18("5","4","8","7","10","2","1") = "9"
    & skf18("5","4","8","7","10","3","1") = "9"
    & skf18("5","4","8","7","10","4","1") = "9"
    & skf18("5","4","8","7","10","5","1") = "9"
    & skf18("5","4","8","7","10","6","1") = "9"
    & skf18("5","4","8","7","10","7","1") = "9"
    & skf18("5","4","8","7","10","8","1") = "9"
    & skf18("5","4","8","7","10","9","1") = "9"
    & skf18("5","4","8","7","10","10","1") = "9"
    & skf18("5","4","8","8","1","1","1") = "7"
    & skf18("5","4","8","8","1","2","1") = "7"
    & skf18("5","4","8","8","1","3","1") = "7"
    & skf18("5","4","8","8","1","4","1") = "7"
    & skf18("5","4","8","8","1","5","1") = "7"
    & skf18("5","4","8","8","1","6","1") = "7"
    & skf18("5","4","8","8","1","7","1") = "7"
    & skf18("5","4","8","8","1","8","1") = "7"
    & skf18("5","4","8","8","1","9","1") = "8"
    & skf18("5","4","8","8","1","10","1") = "9"
    & skf18("5","4","8","8","2","1","1") = "7"
    & skf18("5","4","8","8","2","2","1") = "7"
    & skf18("5","4","8","8","2","3","1") = "7"
    & skf18("5","4","8","8","2","4","1") = "7"
    & skf18("5","4","8","8","2","5","1") = "7"
    & skf18("5","4","8","8","2","6","1") = "7"
    & skf18("5","4","8","8","2","7","1") = "7"
    & skf18("5","4","8","8","2","8","1") = "7"
    & skf18("5","4","8","8","2","9","1") = "8"
    & skf18("5","4","8","8","2","10","1") = "9"
    & skf18("5","4","8","8","3","1","1") = "7"
    & skf18("5","4","8","8","3","2","1") = "7"
    & skf18("5","4","8","8","3","3","1") = "7"
    & skf18("5","4","8","8","3","4","1") = "7"
    & skf18("5","4","8","8","3","5","1") = "7"
    & skf18("5","4","8","8","3","6","1") = "7"
    & skf18("5","4","8","8","3","7","1") = "7"
    & skf18("5","4","8","8","3","8","1") = "7"
    & skf18("5","4","8","8","3","9","1") = "8"
    & skf18("5","4","8","8","3","10","1") = "9"
    & skf18("5","4","8","8","4","1","1") = "7"
    & skf18("5","4","8","8","4","2","1") = "7"
    & skf18("5","4","8","8","4","3","1") = "7"
    & skf18("5","4","8","8","4","4","1") = "7"
    & skf18("5","4","8","8","4","5","1") = "7"
    & skf18("5","4","8","8","4","6","1") = "7"
    & skf18("5","4","8","8","4","7","1") = "7"
    & skf18("5","4","8","8","4","8","1") = "7"
    & skf18("5","4","8","8","4","9","1") = "8"
    & skf18("5","4","8","8","4","10","1") = "9"
    & skf18("5","4","8","8","5","1","1") = "7"
    & skf18("5","4","8","8","5","2","1") = "7"
    & skf18("5","4","8","8","5","3","1") = "7"
    & skf18("5","4","8","8","5","4","1") = "7"
    & skf18("5","4","8","8","5","5","1") = "7"
    & skf18("5","4","8","8","5","6","1") = "7"
    & skf18("5","4","8","8","5","7","1") = "7"
    & skf18("5","4","8","8","5","8","1") = "7"
    & skf18("5","4","8","8","5","9","1") = "8"
    & skf18("5","4","8","8","5","10","1") = "9"
    & skf18("5","4","8","8","6","1","1") = "7"
    & skf18("5","4","8","8","6","2","1") = "7"
    & skf18("5","4","8","8","6","3","1") = "7"
    & skf18("5","4","8","8","6","4","1") = "7"
    & skf18("5","4","8","8","6","5","1") = "7"
    & skf18("5","4","8","8","6","6","1") = "7"
    & skf18("5","4","8","8","6","7","1") = "7"
    & skf18("5","4","8","8","6","8","1") = "7"
    & skf18("5","4","8","8","6","9","1") = "8"
    & skf18("5","4","8","8","6","10","1") = "9"
    & skf18("5","4","8","8","7","1","1") = "7"
    & skf18("5","4","8","8","7","2","1") = "7"
    & skf18("5","4","8","8","7","3","1") = "7"
    & skf18("5","4","8","8","7","4","1") = "7"
    & skf18("5","4","8","8","7","5","1") = "7"
    & skf18("5","4","8","8","7","6","1") = "7"
    & skf18("5","4","8","8","7","7","1") = "7"
    & skf18("5","4","8","8","7","8","1") = "7"
    & skf18("5","4","8","8","7","9","1") = "8"
    & skf18("5","4","8","8","7","10","1") = "9"
    & skf18("5","4","8","8","8","1","1") = "7"
    & skf18("5","4","8","8","8","2","1") = "7"
    & skf18("5","4","8","8","8","3","1") = "7"
    & skf18("5","4","8","8","8","4","1") = "7"
    & skf18("5","4","8","8","8","5","1") = "7"
    & skf18("5","4","8","8","8","6","1") = "7"
    & skf18("5","4","8","8","8","7","1") = "7"
    & skf18("5","4","8","8","8","8","1") = "7"
    & skf18("5","4","8","8","8","9","1") = "8"
    & skf18("5","4","8","8","8","10","1") = "9"
    & skf18("5","4","8","8","9","1","1") = "8"
    & skf18("5","4","8","8","9","2","1") = "8"
    & skf18("5","4","8","8","9","3","1") = "8"
    & skf18("5","4","8","8","9","4","1") = "8"
    & skf18("5","4","8","8","9","5","1") = "8"
    & skf18("5","4","8","8","9","6","1") = "8"
    & skf18("5","4","8","8","9","7","1") = "8"
    & skf18("5","4","8","8","9","8","1") = "8"
    & skf18("5","4","8","8","9","9","1") = "8"
    & skf18("5","4","8","8","9","10","1") = "9"
    & skf18("5","4","8","8","10","1","1") = "9"
    & skf18("5","4","8","8","10","2","1") = "9"
    & skf18("5","4","8","8","10","3","1") = "9"
    & skf18("5","4","8","8","10","4","1") = "9"
    & skf18("5","4","8","8","10","5","1") = "9"
    & skf18("5","4","8","8","10","6","1") = "9"
    & skf18("5","4","8","8","10","7","1") = "9"
    & skf18("5","4","8","8","10","8","1") = "9"
    & skf18("5","4","8","8","10","9","1") = "9"
    & skf18("5","4","8","8","10","10","1") = "9"
    & skf18("5","4","8","9","1","1","1") = "8"
    & skf18("5","4","8","9","1","2","1") = "8"
    & skf18("5","4","8","9","1","3","1") = "8"
    & skf18("5","4","8","9","1","4","1") = "8"
    & skf18("5","4","8","9","1","5","1") = "8"
    & skf18("5","4","8","9","1","6","1") = "8"
    & skf18("5","4","8","9","1","7","1") = "8"
    & skf18("5","4","8","9","1","8","1") = "8"
    & skf18("5","4","8","9","1","9","1") = "8"
    & skf18("5","4","8","9","1","10","1") = "9"
    & skf18("5","4","8","9","2","1","1") = "8"
    & skf18("5","4","8","9","2","2","1") = "8"
    & skf18("5","4","8","9","2","3","1") = "8"
    & skf18("5","4","8","9","2","4","1") = "8"
    & skf18("5","4","8","9","2","5","1") = "8"
    & skf18("5","4","8","9","2","6","1") = "8"
    & skf18("5","4","8","9","2","7","1") = "8"
    & skf18("5","4","8","9","2","8","1") = "8"
    & skf18("5","4","8","9","2","9","1") = "8"
    & skf18("5","4","8","9","2","10","1") = "9"
    & skf18("5","4","8","9","3","1","1") = "8"
    & skf18("5","4","8","9","3","2","1") = "8"
    & skf18("5","4","8","9","3","3","1") = "8"
    & skf18("5","4","8","9","3","4","1") = "8"
    & skf18("5","4","8","9","3","5","1") = "8"
    & skf18("5","4","8","9","3","6","1") = "8"
    & skf18("5","4","8","9","3","7","1") = "8"
    & skf18("5","4","8","9","3","8","1") = "8"
    & skf18("5","4","8","9","3","9","1") = "8"
    & skf18("5","4","8","9","3","10","1") = "9"
    & skf18("5","4","8","9","4","1","1") = "8"
    & skf18("5","4","8","9","4","2","1") = "8"
    & skf18("5","4","8","9","4","3","1") = "8"
    & skf18("5","4","8","9","4","4","1") = "8"
    & skf18("5","4","8","9","4","5","1") = "8"
    & skf18("5","4","8","9","4","6","1") = "8"
    & skf18("5","4","8","9","4","7","1") = "8"
    & skf18("5","4","8","9","4","8","1") = "8"
    & skf18("5","4","8","9","4","9","1") = "8"
    & skf18("5","4","8","9","4","10","1") = "9"
    & skf18("5","4","8","9","5","1","1") = "8"
    & skf18("5","4","8","9","5","2","1") = "8"
    & skf18("5","4","8","9","5","3","1") = "8"
    & skf18("5","4","8","9","5","4","1") = "8"
    & skf18("5","4","8","9","5","5","1") = "8"
    & skf18("5","4","8","9","5","6","1") = "8"
    & skf18("5","4","8","9","5","7","1") = "8"
    & skf18("5","4","8","9","5","8","1") = "8"
    & skf18("5","4","8","9","5","9","1") = "8"
    & skf18("5","4","8","9","5","10","1") = "9"
    & skf18("5","4","8","9","6","1","1") = "8"
    & skf18("5","4","8","9","6","2","1") = "8"
    & skf18("5","4","8","9","6","3","1") = "8"
    & skf18("5","4","8","9","6","4","1") = "8"
    & skf18("5","4","8","9","6","5","1") = "8"
    & skf18("5","4","8","9","6","6","1") = "8"
    & skf18("5","4","8","9","6","7","1") = "8"
    & skf18("5","4","8","9","6","8","1") = "8"
    & skf18("5","4","8","9","6","9","1") = "8"
    & skf18("5","4","8","9","6","10","1") = "9"
    & skf18("5","4","8","9","7","1","1") = "8"
    & skf18("5","4","8","9","7","2","1") = "8"
    & skf18("5","4","8","9","7","3","1") = "8"
    & skf18("5","4","8","9","7","4","1") = "8"
    & skf18("5","4","8","9","7","5","1") = "8"
    & skf18("5","4","8","9","7","6","1") = "8"
    & skf18("5","4","8","9","7","7","1") = "8"
    & skf18("5","4","8","9","7","8","1") = "8"
    & skf18("5","4","8","9","7","9","1") = "8"
    & skf18("5","4","8","9","7","10","1") = "9"
    & skf18("5","4","8","9","8","1","1") = "8"
    & skf18("5","4","8","9","8","2","1") = "8"
    & skf18("5","4","8","9","8","3","1") = "8"
    & skf18("5","4","8","9","8","4","1") = "8"
    & skf18("5","4","8","9","8","5","1") = "8"
    & skf18("5","4","8","9","8","6","1") = "8"
    & skf18("5","4","8","9","8","7","1") = "8"
    & skf18("5","4","8","9","8","8","1") = "8"
    & skf18("5","4","8","9","8","9","1") = "8"
    & skf18("5","4","8","9","8","10","1") = "9"
    & skf18("5","4","8","9","9","1","1") = "8"
    & skf18("5","4","8","9","9","2","1") = "8"
    & skf18("5","4","8","9","9","3","1") = "8"
    & skf18("5","4","8","9","9","4","1") = "8"
    & skf18("5","4","8","9","9","5","1") = "8"
    & skf18("5","4","8","9","9","6","1") = "8"
    & skf18("5","4","8","9","9","7","1") = "8"
    & skf18("5","4","8","9","9","8","1") = "8"
    & skf18("5","4","8","9","9","9","1") = "8"
    & skf18("5","4","8","9","9","10","1") = "9"
    & skf18("5","4","8","9","10","1","1") = "9"
    & skf18("5","4","8","9","10","2","1") = "9"
    & skf18("5","4","8","9","10","3","1") = "9"
    & skf18("5","4","8","9","10","4","1") = "9"
    & skf18("5","4","8","9","10","5","1") = "9"
    & skf18("5","4","8","9","10","6","1") = "9"
    & skf18("5","4","8","9","10","7","1") = "9"
    & skf18("5","4","8","9","10","8","1") = "9"
    & skf18("5","4","8","9","10","9","1") = "9"
    & skf18("5","4","8","9","10","10","1") = "9"
    & skf18("5","4","8","10","1","1","1") = "9"
    & skf18("5","4","8","10","1","2","1") = "9"
    & skf18("5","4","8","10","1","3","1") = "9"
    & skf18("5","4","8","10","1","4","1") = "9"
    & skf18("5","4","8","10","1","5","1") = "9"
    & skf18("5","4","8","10","1","6","1") = "9"
    & skf18("5","4","8","10","1","7","1") = "9"
    & skf18("5","4","8","10","1","8","1") = "9"
    & skf18("5","4","8","10","1","9","1") = "9"
    & skf18("5","4","8","10","1","10","1") = "9"
    & skf18("5","4","8","10","2","1","1") = "9"
    & skf18("5","4","8","10","2","2","1") = "9"
    & skf18("5","4","8","10","2","3","1") = "9"
    & skf18("5","4","8","10","2","4","1") = "9"
    & skf18("5","4","8","10","2","5","1") = "9"
    & skf18("5","4","8","10","2","6","1") = "9"
    & skf18("5","4","8","10","2","7","1") = "9"
    & skf18("5","4","8","10","2","8","1") = "9"
    & skf18("5","4","8","10","2","9","1") = "9"
    & skf18("5","4","8","10","2","10","1") = "9"
    & skf18("5","4","8","10","3","1","1") = "9"
    & skf18("5","4","8","10","3","2","1") = "9"
    & skf18("5","4","8","10","3","3","1") = "9"
    & skf18("5","4","8","10","3","4","1") = "9"
    & skf18("5","4","8","10","3","5","1") = "9"
    & skf18("5","4","8","10","3","6","1") = "9"
    & skf18("5","4","8","10","3","7","1") = "9"
    & skf18("5","4","8","10","3","8","1") = "9"
    & skf18("5","4","8","10","3","9","1") = "9"
    & skf18("5","4","8","10","3","10","1") = "9"
    & skf18("5","4","8","10","4","1","1") = "9"
    & skf18("5","4","8","10","4","2","1") = "9"
    & skf18("5","4","8","10","4","3","1") = "9"
    & skf18("5","4","8","10","4","4","1") = "9"
    & skf18("5","4","8","10","4","5","1") = "9"
    & skf18("5","4","8","10","4","6","1") = "9"
    & skf18("5","4","8","10","4","7","1") = "9"
    & skf18("5","4","8","10","4","8","1") = "9"
    & skf18("5","4","8","10","4","9","1") = "9"
    & skf18("5","4","8","10","4","10","1") = "9"
    & skf18("5","4","8","10","5","1","1") = "9"
    & skf18("5","4","8","10","5","2","1") = "9"
    & skf18("5","4","8","10","5","3","1") = "9"
    & skf18("5","4","8","10","5","4","1") = "9"
    & skf18("5","4","8","10","5","5","1") = "9"
    & skf18("5","4","8","10","5","6","1") = "9"
    & skf18("5","4","8","10","5","7","1") = "9"
    & skf18("5","4","8","10","5","8","1") = "9"
    & skf18("5","4","8","10","5","9","1") = "9"
    & skf18("5","4","8","10","5","10","1") = "9"
    & skf18("5","4","8","10","6","1","1") = "9"
    & skf18("5","4","8","10","6","2","1") = "9"
    & skf18("5","4","8","10","6","3","1") = "9"
    & skf18("5","4","8","10","6","4","1") = "9"
    & skf18("5","4","8","10","6","5","1") = "9"
    & skf18("5","4","8","10","6","6","1") = "9"
    & skf18("5","4","8","10","6","7","1") = "9"
    & skf18("5","4","8","10","6","8","1") = "9"
    & skf18("5","4","8","10","6","9","1") = "9"
    & skf18("5","4","8","10","6","10","1") = "9"
    & skf18("5","4","8","10","7","1","1") = "9"
    & skf18("5","4","8","10","7","2","1") = "9"
    & skf18("5","4","8","10","7","3","1") = "9"
    & skf18("5","4","8","10","7","4","1") = "9"
    & skf18("5","4","8","10","7","5","1") = "9"
    & skf18("5","4","8","10","7","6","1") = "9"
    & skf18("5","4","8","10","7","7","1") = "9"
    & skf18("5","4","8","10","7","8","1") = "9"
    & skf18("5","4","8","10","7","9","1") = "9"
    & skf18("5","4","8","10","7","10","1") = "9"
    & skf18("5","4","8","10","8","1","1") = "9"
    & skf18("5","4","8","10","8","2","1") = "9"
    & skf18("5","4","8","10","8","3","1") = "9"
    & skf18("5","4","8","10","8","4","1") = "9"
    & skf18("5","4","8","10","8","5","1") = "9"
    & skf18("5","4","8","10","8","6","1") = "9"
    & skf18("5","4","8","10","8","7","1") = "9"
    & skf18("5","4","8","10","8","8","1") = "9"
    & skf18("5","4","8","10","8","9","1") = "9"
    & skf18("5","4","8","10","8","10","1") = "9"
    & skf18("5","4","8","10","9","1","1") = "9"
    & skf18("5","4","8","10","9","2","1") = "9"
    & skf18("5","4","8","10","9","3","1") = "9"
    & skf18("5","4","8","10","9","4","1") = "9"
    & skf18("5","4","8","10","9","5","1") = "9"
    & skf18("5","4","8","10","9","6","1") = "9"
    & skf18("5","4","8","10","9","7","1") = "9"
    & skf18("5","4","8","10","9","8","1") = "9"
    & skf18("5","4","8","10","9","9","1") = "9"
    & skf18("5","4","8","10","9","10","1") = "9"
    & skf18("5","4","8","10","10","1","1") = "9"
    & skf18("5","4","8","10","10","2","1") = "9"
    & skf18("5","4","8","10","10","3","1") = "9"
    & skf18("5","4","8","10","10","4","1") = "9"
    & skf18("5","4","8","10","10","5","1") = "9"
    & skf18("5","4","8","10","10","6","1") = "9"
    & skf18("5","4","8","10","10","7","1") = "9"
    & skf18("5","4","8","10","10","8","1") = "9"
    & skf18("5","4","8","10","10","9","1") = "9"
    & skf18("5","4","8","10","10","10","1") = "9"
    & skf18("5","4","9","1","1","1","1") = "8"
    & skf18("5","4","9","1","1","2","1") = "8"
    & skf18("5","4","9","1","1","3","1") = "8"
    & skf18("5","4","9","1","1","4","1") = "8"
    & skf18("5","4","9","1","1","5","1") = "8"
    & skf18("5","4","9","1","1","6","1") = "8"
    & skf18("5","4","9","1","1","7","1") = "8"
    & skf18("5","4","9","1","1","8","1") = "8"
    & skf18("5","4","9","1","1","9","1") = "8"
    & skf18("5","4","9","1","1","10","1") = "9"
    & skf18("5","4","9","1","2","1","1") = "8"
    & skf18("5","4","9","1","2","2","1") = "8"
    & skf18("5","4","9","1","2","3","1") = "8"
    & skf18("5","4","9","1","2","4","1") = "8"
    & skf18("5","4","9","1","2","5","1") = "8"
    & skf18("5","4","9","1","2","6","1") = "8"
    & skf18("5","4","9","1","2","7","1") = "8"
    & skf18("5","4","9","1","2","8","1") = "8"
    & skf18("5","4","9","1","2","9","1") = "8"
    & skf18("5","4","9","1","2","10","1") = "9"
    & skf18("5","4","9","1","3","1","1") = "8"
    & skf18("5","4","9","1","3","2","1") = "8"
    & skf18("5","4","9","1","3","3","1") = "8"
    & skf18("5","4","9","1","3","4","1") = "8"
    & skf18("5","4","9","1","3","5","1") = "8"
    & skf18("5","4","9","1","3","6","1") = "8"
    & skf18("5","4","9","1","3","7","1") = "8"
    & skf18("5","4","9","1","3","8","1") = "8"
    & skf18("5","4","9","1","3","9","1") = "8"
    & skf18("5","4","9","1","3","10","1") = "9"
    & skf18("5","4","9","1","4","1","1") = "8"
    & skf18("5","4","9","1","4","2","1") = "8"
    & skf18("5","4","9","1","4","3","1") = "8"
    & skf18("5","4","9","1","4","4","1") = "8"
    & skf18("5","4","9","1","4","5","1") = "8"
    & skf18("5","4","9","1","4","6","1") = "8"
    & skf18("5","4","9","1","4","7","1") = "8"
    & skf18("5","4","9","1","4","8","1") = "8"
    & skf18("5","4","9","1","4","9","1") = "8"
    & skf18("5","4","9","1","4","10","1") = "9"
    & skf18("5","4","9","1","5","1","1") = "8"
    & skf18("5","4","9","1","5","2","1") = "8"
    & skf18("5","4","9","1","5","3","1") = "8"
    & skf18("5","4","9","1","5","4","1") = "8"
    & skf18("5","4","9","1","5","5","1") = "8"
    & skf18("5","4","9","1","5","6","1") = "8"
    & skf18("5","4","9","1","5","7","1") = "8"
    & skf18("5","4","9","1","5","8","1") = "8"
    & skf18("5","4","9","1","5","9","1") = "8"
    & skf18("5","4","9","1","5","10","1") = "9"
    & skf18("5","4","9","1","6","1","1") = "8"
    & skf18("5","4","9","1","6","2","1") = "8"
    & skf18("5","4","9","1","6","3","1") = "8"
    & skf18("5","4","9","1","6","4","1") = "8"
    & skf18("5","4","9","1","6","5","1") = "8"
    & skf18("5","4","9","1","6","6","1") = "8"
    & skf18("5","4","9","1","6","7","1") = "8"
    & skf18("5","4","9","1","6","8","1") = "8"
    & skf18("5","4","9","1","6","9","1") = "8"
    & skf18("5","4","9","1","6","10","1") = "9"
    & skf18("5","4","9","1","7","1","1") = "8"
    & skf18("5","4","9","1","7","2","1") = "8"
    & skf18("5","4","9","1","7","3","1") = "8"
    & skf18("5","4","9","1","7","4","1") = "8"
    & skf18("5","4","9","1","7","5","1") = "8"
    & skf18("5","4","9","1","7","6","1") = "8"
    & skf18("5","4","9","1","7","7","1") = "8"
    & skf18("5","4","9","1","7","8","1") = "8"
    & skf18("5","4","9","1","7","9","1") = "8"
    & skf18("5","4","9","1","7","10","1") = "9"
    & skf18("5","4","9","1","8","1","1") = "8"
    & skf18("5","4","9","1","8","2","1") = "8"
    & skf18("5","4","9","1","8","3","1") = "8"
    & skf18("5","4","9","1","8","4","1") = "8"
    & skf18("5","4","9","1","8","5","1") = "8"
    & skf18("5","4","9","1","8","6","1") = "8"
    & skf18("5","4","9","1","8","7","1") = "8"
    & skf18("5","4","9","1","8","8","1") = "8"
    & skf18("5","4","9","1","8","9","1") = "8"
    & skf18("5","4","9","1","8","10","1") = "9"
    & skf18("5","4","9","1","9","1","1") = "8"
    & skf18("5","4","9","1","9","2","1") = "8"
    & skf18("5","4","9","1","9","3","1") = "8"
    & skf18("5","4","9","1","9","4","1") = "8"
    & skf18("5","4","9","1","9","5","1") = "8"
    & skf18("5","4","9","1","9","6","1") = "8"
    & skf18("5","4","9","1","9","7","1") = "8"
    & skf18("5","4","9","1","9","8","1") = "8"
    & skf18("5","4","9","1","9","9","1") = "8"
    & skf18("5","4","9","1","9","10","1") = "9"
    & skf18("5","4","9","1","10","1","1") = "9"
    & skf18("5","4","9","1","10","2","1") = "9"
    & skf18("5","4","9","1","10","3","1") = "9"
    & skf18("5","4","9","1","10","4","1") = "9"
    & skf18("5","4","9","1","10","5","1") = "9"
    & skf18("5","4","9","1","10","6","1") = "9"
    & skf18("5","4","9","1","10","7","1") = "9"
    & skf18("5","4","9","1","10","8","1") = "9"
    & skf18("5","4","9","1","10","9","1") = "9"
    & skf18("5","4","9","1","10","10","1") = "9"
    & skf18("5","4","9","2","1","1","1") = "8"
    & skf18("5","4","9","2","1","2","1") = "8"
    & skf18("5","4","9","2","1","3","1") = "8"
    & skf18("5","4","9","2","1","4","1") = "8"
    & skf18("5","4","9","2","1","5","1") = "8"
    & skf18("5","4","9","2","1","6","1") = "8"
    & skf18("5","4","9","2","1","7","1") = "8"
    & skf18("5","4","9","2","1","8","1") = "8"
    & skf18("5","4","9","2","1","9","1") = "8"
    & skf18("5","4","9","2","1","10","1") = "9"
    & skf18("5","4","9","2","2","1","1") = "8"
    & skf18("5","4","9","2","2","2","1") = "8"
    & skf18("5","4","9","2","2","3","1") = "8"
    & skf18("5","4","9","2","2","4","1") = "8"
    & skf18("5","4","9","2","2","5","1") = "8"
    & skf18("5","4","9","2","2","6","1") = "8"
    & skf18("5","4","9","2","2","7","1") = "8"
    & skf18("5","4","9","2","2","8","1") = "8"
    & skf18("5","4","9","2","2","9","1") = "8"
    & skf18("5","4","9","2","2","10","1") = "9"
    & skf18("5","4","9","2","3","1","1") = "8"
    & skf18("5","4","9","2","3","2","1") = "8"
    & skf18("5","4","9","2","3","3","1") = "8"
    & skf18("5","4","9","2","3","4","1") = "8"
    & skf18("5","4","9","2","3","5","1") = "8"
    & skf18("5","4","9","2","3","6","1") = "8"
    & skf18("5","4","9","2","3","7","1") = "8"
    & skf18("5","4","9","2","3","8","1") = "8"
    & skf18("5","4","9","2","3","9","1") = "8"
    & skf18("5","4","9","2","3","10","1") = "9"
    & skf18("5","4","9","2","4","1","1") = "8"
    & skf18("5","4","9","2","4","2","1") = "8"
    & skf18("5","4","9","2","4","3","1") = "8"
    & skf18("5","4","9","2","4","4","1") = "8"
    & skf18("5","4","9","2","4","5","1") = "8"
    & skf18("5","4","9","2","4","6","1") = "8"
    & skf18("5","4","9","2","4","7","1") = "8"
    & skf18("5","4","9","2","4","8","1") = "8"
    & skf18("5","4","9","2","4","9","1") = "8"
    & skf18("5","4","9","2","4","10","1") = "9"
    & skf18("5","4","9","2","5","1","1") = "8"
    & skf18("5","4","9","2","5","2","1") = "8"
    & skf18("5","4","9","2","5","3","1") = "8"
    & skf18("5","4","9","2","5","4","1") = "8"
    & skf18("5","4","9","2","5","5","1") = "8"
    & skf18("5","4","9","2","5","6","1") = "8"
    & skf18("5","4","9","2","5","7","1") = "8"
    & skf18("5","4","9","2","5","8","1") = "8"
    & skf18("5","4","9","2","5","9","1") = "8"
    & skf18("5","4","9","2","5","10","1") = "9"
    & skf18("5","4","9","2","6","1","1") = "8"
    & skf18("5","4","9","2","6","2","1") = "8"
    & skf18("5","4","9","2","6","3","1") = "8"
    & skf18("5","4","9","2","6","4","1") = "8"
    & skf18("5","4","9","2","6","5","1") = "8"
    & skf18("5","4","9","2","6","6","1") = "8"
    & skf18("5","4","9","2","6","7","1") = "8"
    & skf18("5","4","9","2","6","8","1") = "8"
    & skf18("5","4","9","2","6","9","1") = "8"
    & skf18("5","4","9","2","6","10","1") = "9"
    & skf18("5","4","9","2","7","1","1") = "8"
    & skf18("5","4","9","2","7","2","1") = "8"
    & skf18("5","4","9","2","7","3","1") = "8"
    & skf18("5","4","9","2","7","4","1") = "8"
    & skf18("5","4","9","2","7","5","1") = "8"
    & skf18("5","4","9","2","7","6","1") = "8"
    & skf18("5","4","9","2","7","7","1") = "8"
    & skf18("5","4","9","2","7","8","1") = "8"
    & skf18("5","4","9","2","7","9","1") = "8"
    & skf18("5","4","9","2","7","10","1") = "9"
    & skf18("5","4","9","2","8","1","1") = "8"
    & skf18("5","4","9","2","8","2","1") = "8"
    & skf18("5","4","9","2","8","3","1") = "8"
    & skf18("5","4","9","2","8","4","1") = "8"
    & skf18("5","4","9","2","8","5","1") = "8"
    & skf18("5","4","9","2","8","6","1") = "8"
    & skf18("5","4","9","2","8","7","1") = "8"
    & skf18("5","4","9","2","8","8","1") = "8"
    & skf18("5","4","9","2","8","9","1") = "8"
    & skf18("5","4","9","2","8","10","1") = "9"
    & skf18("5","4","9","2","9","1","1") = "8"
    & skf18("5","4","9","2","9","2","1") = "8"
    & skf18("5","4","9","2","9","3","1") = "8"
    & skf18("5","4","9","2","9","4","1") = "8"
    & skf18("5","4","9","2","9","5","1") = "8"
    & skf18("5","4","9","2","9","6","1") = "8"
    & skf18("5","4","9","2","9","7","1") = "8"
    & skf18("5","4","9","2","9","8","1") = "8"
    & skf18("5","4","9","2","9","9","1") = "8"
    & skf18("5","4","9","2","9","10","1") = "9"
    & skf18("5","4","9","2","10","1","1") = "9"
    & skf18("5","4","9","2","10","2","1") = "9"
    & skf18("5","4","9","2","10","3","1") = "9"
    & skf18("5","4","9","2","10","4","1") = "9"
    & skf18("5","4","9","2","10","5","1") = "9"
    & skf18("5","4","9","2","10","6","1") = "9"
    & skf18("5","4","9","2","10","7","1") = "9"
    & skf18("5","4","9","2","10","8","1") = "9"
    & skf18("5","4","9","2","10","9","1") = "9"
    & skf18("5","4","9","2","10","10","1") = "9"
    & skf18("5","4","9","3","1","1","1") = "8"
    & skf18("5","4","9","3","1","2","1") = "8"
    & skf18("5","4","9","3","1","3","1") = "8"
    & skf18("5","4","9","3","1","4","1") = "8"
    & skf18("5","4","9","3","1","5","1") = "8"
    & skf18("5","4","9","3","1","6","1") = "8"
    & skf18("5","4","9","3","1","7","1") = "8"
    & skf18("5","4","9","3","1","8","1") = "8"
    & skf18("5","4","9","3","1","9","1") = "8"
    & skf18("5","4","9","3","1","10","1") = "9"
    & skf18("5","4","9","3","2","1","1") = "8"
    & skf18("5","4","9","3","2","2","1") = "8"
    & skf18("5","4","9","3","2","3","1") = "8"
    & skf18("5","4","9","3","2","4","1") = "8"
    & skf18("5","4","9","3","2","5","1") = "8"
    & skf18("5","4","9","3","2","6","1") = "8"
    & skf18("5","4","9","3","2","7","1") = "8"
    & skf18("5","4","9","3","2","8","1") = "8"
    & skf18("5","4","9","3","2","9","1") = "8"
    & skf18("5","4","9","3","2","10","1") = "9"
    & skf18("5","4","9","3","3","1","1") = "8"
    & skf18("5","4","9","3","3","2","1") = "8"
    & skf18("5","4","9","3","3","3","1") = "8"
    & skf18("5","4","9","3","3","4","1") = "8"
    & skf18("5","4","9","3","3","5","1") = "8"
    & skf18("5","4","9","3","3","6","1") = "8"
    & skf18("5","4","9","3","3","7","1") = "8"
    & skf18("5","4","9","3","3","8","1") = "8"
    & skf18("5","4","9","3","3","9","1") = "8"
    & skf18("5","4","9","3","3","10","1") = "9"
    & skf18("5","4","9","3","4","1","1") = "8"
    & skf18("5","4","9","3","4","2","1") = "8"
    & skf18("5","4","9","3","4","3","1") = "8"
    & skf18("5","4","9","3","4","4","1") = "8"
    & skf18("5","4","9","3","4","5","1") = "8"
    & skf18("5","4","9","3","4","6","1") = "8"
    & skf18("5","4","9","3","4","7","1") = "8"
    & skf18("5","4","9","3","4","8","1") = "8"
    & skf18("5","4","9","3","4","9","1") = "8"
    & skf18("5","4","9","3","4","10","1") = "9"
    & skf18("5","4","9","3","5","1","1") = "8"
    & skf18("5","4","9","3","5","2","1") = "8"
    & skf18("5","4","9","3","5","3","1") = "8"
    & skf18("5","4","9","3","5","4","1") = "8"
    & skf18("5","4","9","3","5","5","1") = "8"
    & skf18("5","4","9","3","5","6","1") = "8"
    & skf18("5","4","9","3","5","7","1") = "8"
    & skf18("5","4","9","3","5","8","1") = "8"
    & skf18("5","4","9","3","5","9","1") = "8"
    & skf18("5","4","9","3","5","10","1") = "9"
    & skf18("5","4","9","3","6","1","1") = "8"
    & skf18("5","4","9","3","6","2","1") = "8"
    & skf18("5","4","9","3","6","3","1") = "8"
    & skf18("5","4","9","3","6","4","1") = "8"
    & skf18("5","4","9","3","6","5","1") = "8"
    & skf18("5","4","9","3","6","6","1") = "8"
    & skf18("5","4","9","3","6","7","1") = "8"
    & skf18("5","4","9","3","6","8","1") = "8"
    & skf18("5","4","9","3","6","9","1") = "8"
    & skf18("5","4","9","3","6","10","1") = "9"
    & skf18("5","4","9","3","7","1","1") = "8"
    & skf18("5","4","9","3","7","2","1") = "8"
    & skf18("5","4","9","3","7","3","1") = "8"
    & skf18("5","4","9","3","7","4","1") = "8"
    & skf18("5","4","9","3","7","5","1") = "8"
    & skf18("5","4","9","3","7","6","1") = "8"
    & skf18("5","4","9","3","7","7","1") = "8"
    & skf18("5","4","9","3","7","8","1") = "8"
    & skf18("5","4","9","3","7","9","1") = "8"
    & skf18("5","4","9","3","7","10","1") = "9"
    & skf18("5","4","9","3","8","1","1") = "8"
    & skf18("5","4","9","3","8","2","1") = "8"
    & skf18("5","4","9","3","8","3","1") = "8"
    & skf18("5","4","9","3","8","4","1") = "8"
    & skf18("5","4","9","3","8","5","1") = "8"
    & skf18("5","4","9","3","8","6","1") = "8"
    & skf18("5","4","9","3","8","7","1") = "8"
    & skf18("5","4","9","3","8","8","1") = "8"
    & skf18("5","4","9","3","8","9","1") = "8"
    & skf18("5","4","9","3","8","10","1") = "9"
    & skf18("5","4","9","3","9","1","1") = "8"
    & skf18("5","4","9","3","9","2","1") = "8"
    & skf18("5","4","9","3","9","3","1") = "8"
    & skf18("5","4","9","3","9","4","1") = "8"
    & skf18("5","4","9","3","9","5","1") = "8"
    & skf18("5","4","9","3","9","6","1") = "8"
    & skf18("5","4","9","3","9","7","1") = "8"
    & skf18("5","4","9","3","9","8","1") = "8"
    & skf18("5","4","9","3","9","9","1") = "8"
    & skf18("5","4","9","3","9","10","1") = "9"
    & skf18("5","4","9","3","10","1","1") = "9"
    & skf18("5","4","9","3","10","2","1") = "9"
    & skf18("5","4","9","3","10","3","1") = "9"
    & skf18("5","4","9","3","10","4","1") = "9"
    & skf18("5","4","9","3","10","5","1") = "9"
    & skf18("5","4","9","3","10","6","1") = "9"
    & skf18("5","4","9","3","10","7","1") = "9"
    & skf18("5","4","9","3","10","8","1") = "9"
    & skf18("5","4","9","3","10","9","1") = "9"
    & skf18("5","4","9","3","10","10","1") = "9"
    & skf18("5","4","9","4","1","1","1") = "8"
    & skf18("5","4","9","4","1","2","1") = "8"
    & skf18("5","4","9","4","1","3","1") = "8"
    & skf18("5","4","9","4","1","4","1") = "8"
    & skf18("5","4","9","4","1","5","1") = "8"
    & skf18("5","4","9","4","1","6","1") = "8"
    & skf18("5","4","9","4","1","7","1") = "8"
    & skf18("5","4","9","4","1","8","1") = "8"
    & skf18("5","4","9","4","1","9","1") = "8"
    & skf18("5","4","9","4","1","10","1") = "9"
    & skf18("5","4","9","4","2","1","1") = "8"
    & skf18("5","4","9","4","2","2","1") = "8"
    & skf18("5","4","9","4","2","3","1") = "8"
    & skf18("5","4","9","4","2","4","1") = "8"
    & skf18("5","4","9","4","2","5","1") = "8"
    & skf18("5","4","9","4","2","6","1") = "8"
    & skf18("5","4","9","4","2","7","1") = "8"
    & skf18("5","4","9","4","2","8","1") = "8"
    & skf18("5","4","9","4","2","9","1") = "8"
    & skf18("5","4","9","4","2","10","1") = "9"
    & skf18("5","4","9","4","3","1","1") = "8"
    & skf18("5","4","9","4","3","2","1") = "8"
    & skf18("5","4","9","4","3","3","1") = "8"
    & skf18("5","4","9","4","3","4","1") = "8"
    & skf18("5","4","9","4","3","5","1") = "8"
    & skf18("5","4","9","4","3","6","1") = "8"
    & skf18("5","4","9","4","3","7","1") = "8"
    & skf18("5","4","9","4","3","8","1") = "8"
    & skf18("5","4","9","4","3","9","1") = "8"
    & skf18("5","4","9","4","3","10","1") = "9"
    & skf18("5","4","9","4","4","1","1") = "8"
    & skf18("5","4","9","4","4","2","1") = "8"
    & skf18("5","4","9","4","4","3","1") = "8"
    & skf18("5","4","9","4","4","4","1") = "8"
    & skf18("5","4","9","4","4","5","1") = "8"
    & skf18("5","4","9","4","4","6","1") = "8"
    & skf18("5","4","9","4","4","7","1") = "8"
    & skf18("5","4","9","4","4","8","1") = "8"
    & skf18("5","4","9","4","4","9","1") = "8"
    & skf18("5","4","9","4","4","10","1") = "9"
    & skf18("5","4","9","4","5","1","1") = "8"
    & skf18("5","4","9","4","5","2","1") = "8"
    & skf18("5","4","9","4","5","3","1") = "8"
    & skf18("5","4","9","4","5","4","1") = "8"
    & skf18("5","4","9","4","5","5","1") = "8"
    & skf18("5","4","9","4","5","6","1") = "8"
    & skf18("5","4","9","4","5","7","1") = "8"
    & skf18("5","4","9","4","5","8","1") = "8"
    & skf18("5","4","9","4","5","9","1") = "8"
    & skf18("5","4","9","4","5","10","1") = "9"
    & skf18("5","4","9","4","6","1","1") = "8"
    & skf18("5","4","9","4","6","2","1") = "8"
    & skf18("5","4","9","4","6","3","1") = "8"
    & skf18("5","4","9","4","6","4","1") = "8"
    & skf18("5","4","9","4","6","5","1") = "8"
    & skf18("5","4","9","4","6","6","1") = "8"
    & skf18("5","4","9","4","6","7","1") = "8"
    & skf18("5","4","9","4","6","8","1") = "8"
    & skf18("5","4","9","4","6","9","1") = "8"
    & skf18("5","4","9","4","6","10","1") = "9"
    & skf18("5","4","9","4","7","1","1") = "8"
    & skf18("5","4","9","4","7","2","1") = "8"
    & skf18("5","4","9","4","7","3","1") = "8"
    & skf18("5","4","9","4","7","4","1") = "8"
    & skf18("5","4","9","4","7","5","1") = "8"
    & skf18("5","4","9","4","7","6","1") = "8"
    & skf18("5","4","9","4","7","7","1") = "8"
    & skf18("5","4","9","4","7","8","1") = "8"
    & skf18("5","4","9","4","7","9","1") = "8"
    & skf18("5","4","9","4","7","10","1") = "9"
    & skf18("5","4","9","4","8","1","1") = "8"
    & skf18("5","4","9","4","8","2","1") = "8"
    & skf18("5","4","9","4","8","3","1") = "8"
    & skf18("5","4","9","4","8","4","1") = "8"
    & skf18("5","4","9","4","8","5","1") = "8"
    & skf18("5","4","9","4","8","6","1") = "8"
    & skf18("5","4","9","4","8","7","1") = "8"
    & skf18("5","4","9","4","8","8","1") = "8"
    & skf18("5","4","9","4","8","9","1") = "8"
    & skf18("5","4","9","4","8","10","1") = "9"
    & skf18("5","4","9","4","9","1","1") = "8"
    & skf18("5","4","9","4","9","2","1") = "8"
    & skf18("5","4","9","4","9","3","1") = "8"
    & skf18("5","4","9","4","9","4","1") = "8"
    & skf18("5","4","9","4","9","5","1") = "8"
    & skf18("5","4","9","4","9","6","1") = "8"
    & skf18("5","4","9","4","9","7","1") = "8"
    & skf18("5","4","9","4","9","8","1") = "8"
    & skf18("5","4","9","4","9","9","1") = "8"
    & skf18("5","4","9","4","9","10","1") = "9"
    & skf18("5","4","9","4","10","1","1") = "9"
    & skf18("5","4","9","4","10","2","1") = "9"
    & skf18("5","4","9","4","10","3","1") = "9"
    & skf18("5","4","9","4","10","4","1") = "9"
    & skf18("5","4","9","4","10","5","1") = "9"
    & skf18("5","4","9","4","10","6","1") = "9"
    & skf18("5","4","9","4","10","7","1") = "9"
    & skf18("5","4","9","4","10","8","1") = "9"
    & skf18("5","4","9","4","10","9","1") = "9"
    & skf18("5","4","9","4","10","10","1") = "9"
    & skf18("5","4","9","5","1","1","1") = "8"
    & skf18("5","4","9","5","1","2","1") = "8"
    & skf18("5","4","9","5","1","3","1") = "8"
    & skf18("5","4","9","5","1","4","1") = "8"
    & skf18("5","4","9","5","1","5","1") = "8"
    & skf18("5","4","9","5","1","6","1") = "8"
    & skf18("5","4","9","5","1","7","1") = "8"
    & skf18("5","4","9","5","1","8","1") = "8"
    & skf18("5","4","9","5","1","9","1") = "8"
    & skf18("5","4","9","5","1","10","1") = "9"
    & skf18("5","4","9","5","2","1","1") = "8"
    & skf18("5","4","9","5","2","2","1") = "8"
    & skf18("5","4","9","5","2","3","1") = "8"
    & skf18("5","4","9","5","2","4","1") = "8"
    & skf18("5","4","9","5","2","5","1") = "8"
    & skf18("5","4","9","5","2","6","1") = "8"
    & skf18("5","4","9","5","2","7","1") = "8"
    & skf18("5","4","9","5","2","8","1") = "8"
    & skf18("5","4","9","5","2","9","1") = "8"
    & skf18("5","4","9","5","2","10","1") = "9"
    & skf18("5","4","9","5","3","1","1") = "8"
    & skf18("5","4","9","5","3","2","1") = "8"
    & skf18("5","4","9","5","3","3","1") = "8"
    & skf18("5","4","9","5","3","4","1") = "8"
    & skf18("5","4","9","5","3","5","1") = "8"
    & skf18("5","4","9","5","3","6","1") = "8"
    & skf18("5","4","9","5","3","7","1") = "8"
    & skf18("5","4","9","5","3","8","1") = "8"
    & skf18("5","4","9","5","3","9","1") = "8"
    & skf18("5","4","9","5","3","10","1") = "9"
    & skf18("5","4","9","5","4","1","1") = "8"
    & skf18("5","4","9","5","4","2","1") = "8"
    & skf18("5","4","9","5","4","3","1") = "8"
    & skf18("5","4","9","5","4","4","1") = "8"
    & skf18("5","4","9","5","4","5","1") = "8"
    & skf18("5","4","9","5","4","6","1") = "8"
    & skf18("5","4","9","5","4","7","1") = "8"
    & skf18("5","4","9","5","4","8","1") = "8"
    & skf18("5","4","9","5","4","9","1") = "8"
    & skf18("5","4","9","5","4","10","1") = "9"
    & skf18("5","4","9","5","5","1","1") = "8"
    & skf18("5","4","9","5","5","2","1") = "8"
    & skf18("5","4","9","5","5","3","1") = "8"
    & skf18("5","4","9","5","5","4","1") = "8"
    & skf18("5","4","9","5","5","5","1") = "8"
    & skf18("5","4","9","5","5","6","1") = "8"
    & skf18("5","4","9","5","5","7","1") = "8"
    & skf18("5","4","9","5","5","8","1") = "8"
    & skf18("5","4","9","5","5","9","1") = "8"
    & skf18("5","4","9","5","5","10","1") = "9"
    & skf18("5","4","9","5","6","1","1") = "8"
    & skf18("5","4","9","5","6","2","1") = "8"
    & skf18("5","4","9","5","6","3","1") = "8"
    & skf18("5","4","9","5","6","4","1") = "8"
    & skf18("5","4","9","5","6","5","1") = "8"
    & skf18("5","4","9","5","6","6","1") = "8"
    & skf18("5","4","9","5","6","7","1") = "8"
    & skf18("5","4","9","5","6","8","1") = "8"
    & skf18("5","4","9","5","6","9","1") = "8"
    & skf18("5","4","9","5","6","10","1") = "9"
    & skf18("5","4","9","5","7","1","1") = "8"
    & skf18("5","4","9","5","7","2","1") = "8"
    & skf18("5","4","9","5","7","3","1") = "8"
    & skf18("5","4","9","5","7","4","1") = "8"
    & skf18("5","4","9","5","7","5","1") = "8"
    & skf18("5","4","9","5","7","6","1") = "8"
    & skf18("5","4","9","5","7","7","1") = "8"
    & skf18("5","4","9","5","7","8","1") = "8"
    & skf18("5","4","9","5","7","9","1") = "8"
    & skf18("5","4","9","5","7","10","1") = "9"
    & skf18("5","4","9","5","8","1","1") = "8"
    & skf18("5","4","9","5","8","2","1") = "8"
    & skf18("5","4","9","5","8","3","1") = "8"
    & skf18("5","4","9","5","8","4","1") = "8"
    & skf18("5","4","9","5","8","5","1") = "8"
    & skf18("5","4","9","5","8","6","1") = "8"
    & skf18("5","4","9","5","8","7","1") = "8"
    & skf18("5","4","9","5","8","8","1") = "8"
    & skf18("5","4","9","5","8","9","1") = "8"
    & skf18("5","4","9","5","8","10","1") = "9"
    & skf18("5","4","9","5","9","1","1") = "8"
    & skf18("5","4","9","5","9","2","1") = "8"
    & skf18("5","4","9","5","9","3","1") = "8"
    & skf18("5","4","9","5","9","4","1") = "8"
    & skf18("5","4","9","5","9","5","1") = "8"
    & skf18("5","4","9","5","9","6","1") = "8"
    & skf18("5","4","9","5","9","7","1") = "8"
    & skf18("5","4","9","5","9","8","1") = "8"
    & skf18("5","4","9","5","9","9","1") = "8"
    & skf18("5","4","9","5","9","10","1") = "9"
    & skf18("5","4","9","5","10","1","1") = "9"
    & skf18("5","4","9","5","10","2","1") = "9"
    & skf18("5","4","9","5","10","3","1") = "9"
    & skf18("5","4","9","5","10","4","1") = "9"
    & skf18("5","4","9","5","10","5","1") = "9"
    & skf18("5","4","9","5","10","6","1") = "9"
    & skf18("5","4","9","5","10","7","1") = "9"
    & skf18("5","4","9","5","10","8","1") = "9"
    & skf18("5","4","9","5","10","9","1") = "9"
    & skf18("5","4","9","5","10","10","1") = "9"
    & skf18("5","4","9","6","1","1","1") = "8"
    & skf18("5","4","9","6","1","2","1") = "8"
    & skf18("5","4","9","6","1","3","1") = "8"
    & skf18("5","4","9","6","1","4","1") = "8"
    & skf18("5","4","9","6","1","5","1") = "8"
    & skf18("5","4","9","6","1","6","1") = "8"
    & skf18("5","4","9","6","1","7","1") = "8"
    & skf18("5","4","9","6","1","8","1") = "8"
    & skf18("5","4","9","6","1","9","1") = "8"
    & skf18("5","4","9","6","1","10","1") = "9"
    & skf18("5","4","9","6","2","1","1") = "8"
    & skf18("5","4","9","6","2","2","1") = "8"
    & skf18("5","4","9","6","2","3","1") = "8"
    & skf18("5","4","9","6","2","4","1") = "8"
    & skf18("5","4","9","6","2","5","1") = "8"
    & skf18("5","4","9","6","2","6","1") = "8"
    & skf18("5","4","9","6","2","7","1") = "8"
    & skf18("5","4","9","6","2","8","1") = "8"
    & skf18("5","4","9","6","2","9","1") = "8"
    & skf18("5","4","9","6","2","10","1") = "9"
    & skf18("5","4","9","6","3","1","1") = "8"
    & skf18("5","4","9","6","3","2","1") = "8"
    & skf18("5","4","9","6","3","3","1") = "8"
    & skf18("5","4","9","6","3","4","1") = "8"
    & skf18("5","4","9","6","3","5","1") = "8"
    & skf18("5","4","9","6","3","6","1") = "8"
    & skf18("5","4","9","6","3","7","1") = "8"
    & skf18("5","4","9","6","3","8","1") = "8"
    & skf18("5","4","9","6","3","9","1") = "8"
    & skf18("5","4","9","6","3","10","1") = "9"
    & skf18("5","4","9","6","4","1","1") = "8"
    & skf18("5","4","9","6","4","2","1") = "8"
    & skf18("5","4","9","6","4","3","1") = "8"
    & skf18("5","4","9","6","4","4","1") = "8"
    & skf18("5","4","9","6","4","5","1") = "8"
    & skf18("5","4","9","6","4","6","1") = "8"
    & skf18("5","4","9","6","4","7","1") = "8"
    & skf18("5","4","9","6","4","8","1") = "8"
    & skf18("5","4","9","6","4","9","1") = "8"
    & skf18("5","4","9","6","4","10","1") = "9"
    & skf18("5","4","9","6","5","1","1") = "8"
    & skf18("5","4","9","6","5","2","1") = "8"
    & skf18("5","4","9","6","5","3","1") = "8"
    & skf18("5","4","9","6","5","4","1") = "8"
    & skf18("5","4","9","6","5","5","1") = "8"
    & skf18("5","4","9","6","5","6","1") = "8"
    & skf18("5","4","9","6","5","7","1") = "8"
    & skf18("5","4","9","6","5","8","1") = "8"
    & skf18("5","4","9","6","5","9","1") = "8"
    & skf18("5","4","9","6","5","10","1") = "9"
    & skf18("5","4","9","6","6","1","1") = "8"
    & skf18("5","4","9","6","6","2","1") = "8"
    & skf18("5","4","9","6","6","3","1") = "8"
    & skf18("5","4","9","6","6","4","1") = "8"
    & skf18("5","4","9","6","6","5","1") = "8"
    & skf18("5","4","9","6","6","6","1") = "8"
    & skf18("5","4","9","6","6","7","1") = "8"
    & skf18("5","4","9","6","6","8","1") = "8"
    & skf18("5","4","9","6","6","9","1") = "8"
    & skf18("5","4","9","6","6","10","1") = "9"
    & skf18("5","4","9","6","7","1","1") = "8"
    & skf18("5","4","9","6","7","2","1") = "8"
    & skf18("5","4","9","6","7","3","1") = "8"
    & skf18("5","4","9","6","7","4","1") = "8"
    & skf18("5","4","9","6","7","5","1") = "8"
    & skf18("5","4","9","6","7","6","1") = "8"
    & skf18("5","4","9","6","7","7","1") = "8"
    & skf18("5","4","9","6","7","8","1") = "8"
    & skf18("5","4","9","6","7","9","1") = "8"
    & skf18("5","4","9","6","7","10","1") = "9"
    & skf18("5","4","9","6","8","1","1") = "8"
    & skf18("5","4","9","6","8","2","1") = "8"
    & skf18("5","4","9","6","8","3","1") = "8"
    & skf18("5","4","9","6","8","4","1") = "8"
    & skf18("5","4","9","6","8","5","1") = "8"
    & skf18("5","4","9","6","8","6","1") = "8"
    & skf18("5","4","9","6","8","7","1") = "8"
    & skf18("5","4","9","6","8","8","1") = "8"
    & skf18("5","4","9","6","8","9","1") = "8"
    & skf18("5","4","9","6","8","10","1") = "9"
    & skf18("5","4","9","6","9","1","1") = "8"
    & skf18("5","4","9","6","9","2","1") = "8"
    & skf18("5","4","9","6","9","3","1") = "8"
    & skf18("5","4","9","6","9","4","1") = "8"
    & skf18("5","4","9","6","9","5","1") = "8"
    & skf18("5","4","9","6","9","6","1") = "8"
    & skf18("5","4","9","6","9","7","1") = "8"
    & skf18("5","4","9","6","9","8","1") = "8"
    & skf18("5","4","9","6","9","9","1") = "8"
    & skf18("5","4","9","6","9","10","1") = "9"
    & skf18("5","4","9","6","10","1","1") = "9"
    & skf18("5","4","9","6","10","2","1") = "9"
    & skf18("5","4","9","6","10","3","1") = "9"
    & skf18("5","4","9","6","10","4","1") = "9"
    & skf18("5","4","9","6","10","5","1") = "9"
    & skf18("5","4","9","6","10","6","1") = "9"
    & skf18("5","4","9","6","10","7","1") = "9"
    & skf18("5","4","9","6","10","8","1") = "9"
    & skf18("5","4","9","6","10","9","1") = "9"
    & skf18("5","4","9","6","10","10","1") = "9"
    & skf18("5","4","9","7","1","1","1") = "8"
    & skf18("5","4","9","7","1","2","1") = "8"
    & skf18("5","4","9","7","1","3","1") = "8"
    & skf18("5","4","9","7","1","4","1") = "8"
    & skf18("5","4","9","7","1","5","1") = "8"
    & skf18("5","4","9","7","1","6","1") = "8"
    & skf18("5","4","9","7","1","7","1") = "8"
    & skf18("5","4","9","7","1","8","1") = "8"
    & skf18("5","4","9","7","1","9","1") = "8"
    & skf18("5","4","9","7","1","10","1") = "9"
    & skf18("5","4","9","7","2","1","1") = "8"
    & skf18("5","4","9","7","2","2","1") = "8"
    & skf18("5","4","9","7","2","3","1") = "8"
    & skf18("5","4","9","7","2","4","1") = "8"
    & skf18("5","4","9","7","2","5","1") = "8"
    & skf18("5","4","9","7","2","6","1") = "8"
    & skf18("5","4","9","7","2","7","1") = "8"
    & skf18("5","4","9","7","2","8","1") = "8"
    & skf18("5","4","9","7","2","9","1") = "8"
    & skf18("5","4","9","7","2","10","1") = "9"
    & skf18("5","4","9","7","3","1","1") = "8"
    & skf18("5","4","9","7","3","2","1") = "8"
    & skf18("5","4","9","7","3","3","1") = "8"
    & skf18("5","4","9","7","3","4","1") = "8"
    & skf18("5","4","9","7","3","5","1") = "8"
    & skf18("5","4","9","7","3","6","1") = "8"
    & skf18("5","4","9","7","3","7","1") = "8"
    & skf18("5","4","9","7","3","8","1") = "8"
    & skf18("5","4","9","7","3","9","1") = "8"
    & skf18("5","4","9","7","3","10","1") = "9"
    & skf18("5","4","9","7","4","1","1") = "8"
    & skf18("5","4","9","7","4","2","1") = "8"
    & skf18("5","4","9","7","4","3","1") = "8"
    & skf18("5","4","9","7","4","4","1") = "8"
    & skf18("5","4","9","7","4","5","1") = "8"
    & skf18("5","4","9","7","4","6","1") = "8"
    & skf18("5","4","9","7","4","7","1") = "8"
    & skf18("5","4","9","7","4","8","1") = "8"
    & skf18("5","4","9","7","4","9","1") = "8"
    & skf18("5","4","9","7","4","10","1") = "9"
    & skf18("5","4","9","7","5","1","1") = "8"
    & skf18("5","4","9","7","5","2","1") = "8"
    & skf18("5","4","9","7","5","3","1") = "8"
    & skf18("5","4","9","7","5","4","1") = "8"
    & skf18("5","4","9","7","5","5","1") = "8"
    & skf18("5","4","9","7","5","6","1") = "8"
    & skf18("5","4","9","7","5","7","1") = "8"
    & skf18("5","4","9","7","5","8","1") = "8"
    & skf18("5","4","9","7","5","9","1") = "8"
    & skf18("5","4","9","7","5","10","1") = "9"
    & skf18("5","4","9","7","6","1","1") = "8"
    & skf18("5","4","9","7","6","2","1") = "8"
    & skf18("5","4","9","7","6","3","1") = "8"
    & skf18("5","4","9","7","6","4","1") = "8"
    & skf18("5","4","9","7","6","5","1") = "8"
    & skf18("5","4","9","7","6","6","1") = "8"
    & skf18("5","4","9","7","6","7","1") = "8"
    & skf18("5","4","9","7","6","8","1") = "8"
    & skf18("5","4","9","7","6","9","1") = "8"
    & skf18("5","4","9","7","6","10","1") = "9"
    & skf18("5","4","9","7","7","1","1") = "8"
    & skf18("5","4","9","7","7","2","1") = "8"
    & skf18("5","4","9","7","7","3","1") = "8"
    & skf18("5","4","9","7","7","4","1") = "8"
    & skf18("5","4","9","7","7","5","1") = "8"
    & skf18("5","4","9","7","7","6","1") = "8"
    & skf18("5","4","9","7","7","7","1") = "8"
    & skf18("5","4","9","7","7","8","1") = "8"
    & skf18("5","4","9","7","7","9","1") = "8"
    & skf18("5","4","9","7","7","10","1") = "9"
    & skf18("5","4","9","7","8","1","1") = "8"
    & skf18("5","4","9","7","8","2","1") = "8"
    & skf18("5","4","9","7","8","3","1") = "8"
    & skf18("5","4","9","7","8","4","1") = "8"
    & skf18("5","4","9","7","8","5","1") = "8"
    & skf18("5","4","9","7","8","6","1") = "8"
    & skf18("5","4","9","7","8","7","1") = "8"
    & skf18("5","4","9","7","8","8","1") = "8"
    & skf18("5","4","9","7","8","9","1") = "8"
    & skf18("5","4","9","7","8","10","1") = "9"
    & skf18("5","4","9","7","9","1","1") = "8"
    & skf18("5","4","9","7","9","2","1") = "8"
    & skf18("5","4","9","7","9","3","1") = "8"
    & skf18("5","4","9","7","9","4","1") = "8"
    & skf18("5","4","9","7","9","5","1") = "8"
    & skf18("5","4","9","7","9","6","1") = "8"
    & skf18("5","4","9","7","9","7","1") = "8"
    & skf18("5","4","9","7","9","8","1") = "8"
    & skf18("5","4","9","7","9","9","1") = "8"
    & skf18("5","4","9","7","9","10","1") = "9"
    & skf18("5","4","9","7","10","1","1") = "9"
    & skf18("5","4","9","7","10","2","1") = "9"
    & skf18("5","4","9","7","10","3","1") = "9"
    & skf18("5","4","9","7","10","4","1") = "9"
    & skf18("5","4","9","7","10","5","1") = "9"
    & skf18("5","4","9","7","10","6","1") = "9"
    & skf18("5","4","9","7","10","7","1") = "9"
    & skf18("5","4","9","7","10","8","1") = "9"
    & skf18("5","4","9","7","10","9","1") = "9"
    & skf18("5","4","9","7","10","10","1") = "9"
    & skf18("5","4","9","8","1","1","1") = "8"
    & skf18("5","4","9","8","1","2","1") = "8"
    & skf18("5","4","9","8","1","3","1") = "8"
    & skf18("5","4","9","8","1","4","1") = "8"
    & skf18("5","4","9","8","1","5","1") = "8"
    & skf18("5","4","9","8","1","6","1") = "8"
    & skf18("5","4","9","8","1","7","1") = "8"
    & skf18("5","4","9","8","1","8","1") = "8"
    & skf18("5","4","9","8","1","9","1") = "8"
    & skf18("5","4","9","8","1","10","1") = "9"
    & skf18("5","4","9","8","2","1","1") = "8"
    & skf18("5","4","9","8","2","2","1") = "8"
    & skf18("5","4","9","8","2","3","1") = "8"
    & skf18("5","4","9","8","2","4","1") = "8"
    & skf18("5","4","9","8","2","5","1") = "8"
    & skf18("5","4","9","8","2","6","1") = "8"
    & skf18("5","4","9","8","2","7","1") = "8"
    & skf18("5","4","9","8","2","8","1") = "8"
    & skf18("5","4","9","8","2","9","1") = "8"
    & skf18("5","4","9","8","2","10","1") = "9"
    & skf18("5","4","9","8","3","1","1") = "8"
    & skf18("5","4","9","8","3","2","1") = "8"
    & skf18("5","4","9","8","3","3","1") = "8"
    & skf18("5","4","9","8","3","4","1") = "8"
    & skf18("5","4","9","8","3","5","1") = "8"
    & skf18("5","4","9","8","3","6","1") = "8"
    & skf18("5","4","9","8","3","7","1") = "8"
    & skf18("5","4","9","8","3","8","1") = "8"
    & skf18("5","4","9","8","3","9","1") = "8"
    & skf18("5","4","9","8","3","10","1") = "9"
    & skf18("5","4","9","8","4","1","1") = "8"
    & skf18("5","4","9","8","4","2","1") = "8"
    & skf18("5","4","9","8","4","3","1") = "8"
    & skf18("5","4","9","8","4","4","1") = "8"
    & skf18("5","4","9","8","4","5","1") = "8"
    & skf18("5","4","9","8","4","6","1") = "8"
    & skf18("5","4","9","8","4","7","1") = "8"
    & skf18("5","4","9","8","4","8","1") = "8"
    & skf18("5","4","9","8","4","9","1") = "8"
    & skf18("5","4","9","8","4","10","1") = "9"
    & skf18("5","4","9","8","5","1","1") = "8"
    & skf18("5","4","9","8","5","2","1") = "8"
    & skf18("5","4","9","8","5","3","1") = "8"
    & skf18("5","4","9","8","5","4","1") = "8"
    & skf18("5","4","9","8","5","5","1") = "8"
    & skf18("5","4","9","8","5","6","1") = "8"
    & skf18("5","4","9","8","5","7","1") = "8"
    & skf18("5","4","9","8","5","8","1") = "8"
    & skf18("5","4","9","8","5","9","1") = "8"
    & skf18("5","4","9","8","5","10","1") = "9"
    & skf18("5","4","9","8","6","1","1") = "8"
    & skf18("5","4","9","8","6","2","1") = "8"
    & skf18("5","4","9","8","6","3","1") = "8"
    & skf18("5","4","9","8","6","4","1") = "8"
    & skf18("5","4","9","8","6","5","1") = "8"
    & skf18("5","4","9","8","6","6","1") = "8"
    & skf18("5","4","9","8","6","7","1") = "8"
    & skf18("5","4","9","8","6","8","1") = "8"
    & skf18("5","4","9","8","6","9","1") = "8"
    & skf18("5","4","9","8","6","10","1") = "9"
    & skf18("5","4","9","8","7","1","1") = "8"
    & skf18("5","4","9","8","7","2","1") = "8"
    & skf18("5","4","9","8","7","3","1") = "8"
    & skf18("5","4","9","8","7","4","1") = "8"
    & skf18("5","4","9","8","7","5","1") = "8"
    & skf18("5","4","9","8","7","6","1") = "8"
    & skf18("5","4","9","8","7","7","1") = "8"
    & skf18("5","4","9","8","7","8","1") = "8"
    & skf18("5","4","9","8","7","9","1") = "8"
    & skf18("5","4","9","8","7","10","1") = "9"
    & skf18("5","4","9","8","8","1","1") = "8"
    & skf18("5","4","9","8","8","2","1") = "8"
    & skf18("5","4","9","8","8","3","1") = "8"
    & skf18("5","4","9","8","8","4","1") = "8"
    & skf18("5","4","9","8","8","5","1") = "8"
    & skf18("5","4","9","8","8","6","1") = "8"
    & skf18("5","4","9","8","8","7","1") = "8"
    & skf18("5","4","9","8","8","8","1") = "8"
    & skf18("5","4","9","8","8","9","1") = "8"
    & skf18("5","4","9","8","8","10","1") = "9"
    & skf18("5","4","9","8","9","1","1") = "8"
    & skf18("5","4","9","8","9","2","1") = "8"
    & skf18("5","4","9","8","9","3","1") = "8"
    & skf18("5","4","9","8","9","4","1") = "8"
    & skf18("5","4","9","8","9","5","1") = "8"
    & skf18("5","4","9","8","9","6","1") = "8"
    & skf18("5","4","9","8","9","7","1") = "8"
    & skf18("5","4","9","8","9","8","1") = "8"
    & skf18("5","4","9","8","9","9","1") = "8"
    & skf18("5","4","9","8","9","10","1") = "9"
    & skf18("5","4","9","8","10","1","1") = "9"
    & skf18("5","4","9","8","10","2","1") = "9"
    & skf18("5","4","9","8","10","3","1") = "9"
    & skf18("5","4","9","8","10","4","1") = "9"
    & skf18("5","4","9","8","10","5","1") = "9"
    & skf18("5","4","9","8","10","6","1") = "9"
    & skf18("5","4","9","8","10","7","1") = "9"
    & skf18("5","4","9","8","10","8","1") = "9"
    & skf18("5","4","9","8","10","9","1") = "9"
    & skf18("5","4","9","8","10","10","1") = "9"
    & skf18("5","4","9","9","1","1","1") = "8"
    & skf18("5","4","9","9","1","2","1") = "8"
    & skf18("5","4","9","9","1","3","1") = "8"
    & skf18("5","4","9","9","1","4","1") = "8"
    & skf18("5","4","9","9","1","5","1") = "8"
    & skf18("5","4","9","9","1","6","1") = "8"
    & skf18("5","4","9","9","1","7","1") = "8"
    & skf18("5","4","9","9","1","8","1") = "8"
    & skf18("5","4","9","9","1","9","1") = "8"
    & skf18("5","4","9","9","1","10","1") = "9"
    & skf18("5","4","9","9","2","1","1") = "8"
    & skf18("5","4","9","9","2","2","1") = "8"
    & skf18("5","4","9","9","2","3","1") = "8"
    & skf18("5","4","9","9","2","4","1") = "8"
    & skf18("5","4","9","9","2","5","1") = "8"
    & skf18("5","4","9","9","2","6","1") = "8"
    & skf18("5","4","9","9","2","7","1") = "8"
    & skf18("5","4","9","9","2","8","1") = "8"
    & skf18("5","4","9","9","2","9","1") = "8"
    & skf18("5","4","9","9","2","10","1") = "9"
    & skf18("5","4","9","9","3","1","1") = "8"
    & skf18("5","4","9","9","3","2","1") = "8"
    & skf18("5","4","9","9","3","3","1") = "8"
    & skf18("5","4","9","9","3","4","1") = "8"
    & skf18("5","4","9","9","3","5","1") = "8"
    & skf18("5","4","9","9","3","6","1") = "8"
    & skf18("5","4","9","9","3","7","1") = "8"
    & skf18("5","4","9","9","3","8","1") = "8"
    & skf18("5","4","9","9","3","9","1") = "8"
    & skf18("5","4","9","9","3","10","1") = "9"
    & skf18("5","4","9","9","4","1","1") = "8"
    & skf18("5","4","9","9","4","2","1") = "8"
    & skf18("5","4","9","9","4","3","1") = "8"
    & skf18("5","4","9","9","4","4","1") = "8"
    & skf18("5","4","9","9","4","5","1") = "8"
    & skf18("5","4","9","9","4","6","1") = "8"
    & skf18("5","4","9","9","4","7","1") = "8"
    & skf18("5","4","9","9","4","8","1") = "8"
    & skf18("5","4","9","9","4","9","1") = "8"
    & skf18("5","4","9","9","4","10","1") = "9"
    & skf18("5","4","9","9","5","1","1") = "8"
    & skf18("5","4","9","9","5","2","1") = "8"
    & skf18("5","4","9","9","5","3","1") = "8"
    & skf18("5","4","9","9","5","4","1") = "8"
    & skf18("5","4","9","9","5","5","1") = "8"
    & skf18("5","4","9","9","5","6","1") = "8"
    & skf18("5","4","9","9","5","7","1") = "8"
    & skf18("5","4","9","9","5","8","1") = "8"
    & skf18("5","4","9","9","5","9","1") = "8"
    & skf18("5","4","9","9","5","10","1") = "9"
    & skf18("5","4","9","9","6","1","1") = "8"
    & skf18("5","4","9","9","6","2","1") = "8"
    & skf18("5","4","9","9","6","3","1") = "8"
    & skf18("5","4","9","9","6","4","1") = "8"
    & skf18("5","4","9","9","6","5","1") = "8"
    & skf18("5","4","9","9","6","6","1") = "8"
    & skf18("5","4","9","9","6","7","1") = "8"
    & skf18("5","4","9","9","6","8","1") = "8"
    & skf18("5","4","9","9","6","9","1") = "8"
    & skf18("5","4","9","9","6","10","1") = "9"
    & skf18("5","4","9","9","7","1","1") = "8"
    & skf18("5","4","9","9","7","2","1") = "8"
    & skf18("5","4","9","9","7","3","1") = "8"
    & skf18("5","4","9","9","7","4","1") = "8"
    & skf18("5","4","9","9","7","5","1") = "8"
    & skf18("5","4","9","9","7","6","1") = "8"
    & skf18("5","4","9","9","7","7","1") = "8"
    & skf18("5","4","9","9","7","8","1") = "8"
    & skf18("5","4","9","9","7","9","1") = "8"
    & skf18("5","4","9","9","7","10","1") = "9"
    & skf18("5","4","9","9","8","1","1") = "8"
    & skf18("5","4","9","9","8","2","1") = "8"
    & skf18("5","4","9","9","8","3","1") = "8"
    & skf18("5","4","9","9","8","4","1") = "8"
    & skf18("5","4","9","9","8","5","1") = "8"
    & skf18("5","4","9","9","8","6","1") = "8"
    & skf18("5","4","9","9","8","7","1") = "8"
    & skf18("5","4","9","9","8","8","1") = "8"
    & skf18("5","4","9","9","8","9","1") = "8"
    & skf18("5","4","9","9","8","10","1") = "9"
    & skf18("5","4","9","9","9","1","1") = "8"
    & skf18("5","4","9","9","9","2","1") = "8"
    & skf18("5","4","9","9","9","3","1") = "8"
    & skf18("5","4","9","9","9","4","1") = "8"
    & skf18("5","4","9","9","9","5","1") = "8"
    & skf18("5","4","9","9","9","6","1") = "8"
    & skf18("5","4","9","9","9","7","1") = "8"
    & skf18("5","4","9","9","9","8","1") = "8"
    & skf18("5","4","9","9","9","9","1") = "8"
    & skf18("5","4","9","9","9","10","1") = "9"
    & skf18("5","4","9","9","10","1","1") = "9"
    & skf18("5","4","9","9","10","2","1") = "9"
    & skf18("5","4","9","9","10","3","1") = "9"
    & skf18("5","4","9","9","10","4","1") = "9"
    & skf18("5","4","9","9","10","5","1") = "9"
    & skf18("5","4","9","9","10","6","1") = "9"
    & skf18("5","4","9","9","10","7","1") = "9"
    & skf18("5","4","9","9","10","8","1") = "9"
    & skf18("5","4","9","9","10","9","1") = "9"
    & skf18("5","4","9","9","10","10","1") = "9"
    & skf18("5","4","9","10","1","1","1") = "9"
    & skf18("5","4","9","10","1","2","1") = "9"
    & skf18("5","4","9","10","1","3","1") = "9"
    & skf18("5","4","9","10","1","4","1") = "9"
    & skf18("5","4","9","10","1","5","1") = "9"
    & skf18("5","4","9","10","1","6","1") = "9"
    & skf18("5","4","9","10","1","7","1") = "9"
    & skf18("5","4","9","10","1","8","1") = "9"
    & skf18("5","4","9","10","1","9","1") = "9"
    & skf18("5","4","9","10","1","10","1") = "9"
    & skf18("5","4","9","10","2","1","1") = "9"
    & skf18("5","4","9","10","2","2","1") = "9"
    & skf18("5","4","9","10","2","3","1") = "9"
    & skf18("5","4","9","10","2","4","1") = "9"
    & skf18("5","4","9","10","2","5","1") = "9"
    & skf18("5","4","9","10","2","6","1") = "9"
    & skf18("5","4","9","10","2","7","1") = "9"
    & skf18("5","4","9","10","2","8","1") = "9"
    & skf18("5","4","9","10","2","9","1") = "9"
    & skf18("5","4","9","10","2","10","1") = "9"
    & skf18("5","4","9","10","3","1","1") = "9"
    & skf18("5","4","9","10","3","2","1") = "9"
    & skf18("5","4","9","10","3","3","1") = "9"
    & skf18("5","4","9","10","3","4","1") = "9"
    & skf18("5","4","9","10","3","5","1") = "9"
    & skf18("5","4","9","10","3","6","1") = "9"
    & skf18("5","4","9","10","3","7","1") = "9"
    & skf18("5","4","9","10","3","8","1") = "9"
    & skf18("5","4","9","10","3","9","1") = "9"
    & skf18("5","4","9","10","3","10","1") = "9"
    & skf18("5","4","9","10","4","1","1") = "9"
    & skf18("5","4","9","10","4","2","1") = "9"
    & skf18("5","4","9","10","4","3","1") = "9"
    & skf18("5","4","9","10","4","4","1") = "9"
    & skf18("5","4","9","10","4","5","1") = "9"
    & skf18("5","4","9","10","4","6","1") = "9"
    & skf18("5","4","9","10","4","7","1") = "9"
    & skf18("5","4","9","10","4","8","1") = "9"
    & skf18("5","4","9","10","4","9","1") = "9"
    & skf18("5","4","9","10","4","10","1") = "9"
    & skf18("5","4","9","10","5","1","1") = "9"
    & skf18("5","4","9","10","5","2","1") = "9"
    & skf18("5","4","9","10","5","3","1") = "9"
    & skf18("5","4","9","10","5","4","1") = "9"
    & skf18("5","4","9","10","5","5","1") = "9"
    & skf18("5","4","9","10","5","6","1") = "9"
    & skf18("5","4","9","10","5","7","1") = "9"
    & skf18("5","4","9","10","5","8","1") = "9"
    & skf18("5","4","9","10","5","9","1") = "9"
    & skf18("5","4","9","10","5","10","1") = "9"
    & skf18("5","4","9","10","6","1","1") = "9"
    & skf18("5","4","9","10","6","2","1") = "9"
    & skf18("5","4","9","10","6","3","1") = "9"
    & skf18("5","4","9","10","6","4","1") = "9"
    & skf18("5","4","9","10","6","5","1") = "9"
    & skf18("5","4","9","10","6","6","1") = "9"
    & skf18("5","4","9","10","6","7","1") = "9"
    & skf18("5","4","9","10","6","8","1") = "9"
    & skf18("5","4","9","10","6","9","1") = "9"
    & skf18("5","4","9","10","6","10","1") = "9"
    & skf18("5","4","9","10","7","1","1") = "9"
    & skf18("5","4","9","10","7","2","1") = "9"
    & skf18("5","4","9","10","7","3","1") = "9"
    & skf18("5","4","9","10","7","4","1") = "9"
    & skf18("5","4","9","10","7","5","1") = "9"
    & skf18("5","4","9","10","7","6","1") = "9"
    & skf18("5","4","9","10","7","7","1") = "9"
    & skf18("5","4","9","10","7","8","1") = "9"
    & skf18("5","4","9","10","7","9","1") = "9"
    & skf18("5","4","9","10","7","10","1") = "9"
    & skf18("5","4","9","10","8","1","1") = "9"
    & skf18("5","4","9","10","8","2","1") = "9"
    & skf18("5","4","9","10","8","3","1") = "9"
    & skf18("5","4","9","10","8","4","1") = "9"
    & skf18("5","4","9","10","8","5","1") = "9"
    & skf18("5","4","9","10","8","6","1") = "9"
    & skf18("5","4","9","10","8","7","1") = "9"
    & skf18("5","4","9","10","8","8","1") = "9"
    & skf18("5","4","9","10","8","9","1") = "9"
    & skf18("5","4","9","10","8","10","1") = "9"
    & skf18("5","4","9","10","9","1","1") = "9"
    & skf18("5","4","9","10","9","2","1") = "9"
    & skf18("5","4","9","10","9","3","1") = "9"
    & skf18("5","4","9","10","9","4","1") = "9"
    & skf18("5","4","9","10","9","5","1") = "9"
    & skf18("5","4","9","10","9","6","1") = "9"
    & skf18("5","4","9","10","9","7","1") = "9"
    & skf18("5","4","9","10","9","8","1") = "9"
    & skf18("5","4","9","10","9","9","1") = "9"
    & skf18("5","4","9","10","9","10","1") = "9"
    & skf18("5","4","9","10","10","1","1") = "9"
    & skf18("5","4","9","10","10","2","1") = "9"
    & skf18("5","4","9","10","10","3","1") = "9"
    & skf18("5","4","9","10","10","4","1") = "9"
    & skf18("5","4","9","10","10","5","1") = "9"
    & skf18("5","4","9","10","10","6","1") = "9"
    & skf18("5","4","9","10","10","7","1") = "9"
    & skf18("5","4","9","10","10","8","1") = "9"
    & skf18("5","4","9","10","10","9","1") = "9"
    & skf18("5","4","9","10","10","10","1") = "9"
    & skf18("5","4","10","1","1","1","1") = "9"
    & skf18("5","4","10","1","1","2","1") = "9"
    & skf18("5","4","10","1","1","3","1") = "9"
    & skf18("5","4","10","1","1","4","1") = "9"
    & skf18("5","4","10","1","1","5","1") = "9"
    & skf18("5","4","10","1","1","6","1") = "9"
    & skf18("5","4","10","1","1","7","1") = "9"
    & skf18("5","4","10","1","1","8","1") = "9"
    & skf18("5","4","10","1","1","9","1") = "9"
    & skf18("5","4","10","1","1","10","1") = "9"
    & skf18("5","4","10","1","2","1","1") = "9"
    & skf18("5","4","10","1","2","2","1") = "9"
    & skf18("5","4","10","1","2","3","1") = "9"
    & skf18("5","4","10","1","2","4","1") = "9"
    & skf18("5","4","10","1","2","5","1") = "9"
    & skf18("5","4","10","1","2","6","1") = "9"
    & skf18("5","4","10","1","2","7","1") = "9"
    & skf18("5","4","10","1","2","8","1") = "9"
    & skf18("5","4","10","1","2","9","1") = "9"
    & skf18("5","4","10","1","2","10","1") = "9"
    & skf18("5","4","10","1","3","1","1") = "9"
    & skf18("5","4","10","1","3","2","1") = "9"
    & skf18("5","4","10","1","3","3","1") = "9"
    & skf18("5","4","10","1","3","4","1") = "9"
    & skf18("5","4","10","1","3","5","1") = "9"
    & skf18("5","4","10","1","3","6","1") = "9"
    & skf18("5","4","10","1","3","7","1") = "9"
    & skf18("5","4","10","1","3","8","1") = "9"
    & skf18("5","4","10","1","3","9","1") = "9"
    & skf18("5","4","10","1","3","10","1") = "9"
    & skf18("5","4","10","1","4","1","1") = "9"
    & skf18("5","4","10","1","4","2","1") = "9"
    & skf18("5","4","10","1","4","3","1") = "9"
    & skf18("5","4","10","1","4","4","1") = "9"
    & skf18("5","4","10","1","4","5","1") = "9"
    & skf18("5","4","10","1","4","6","1") = "9"
    & skf18("5","4","10","1","4","7","1") = "9"
    & skf18("5","4","10","1","4","8","1") = "9"
    & skf18("5","4","10","1","4","9","1") = "9"
    & skf18("5","4","10","1","4","10","1") = "9"
    & skf18("5","4","10","1","5","1","1") = "9"
    & skf18("5","4","10","1","5","2","1") = "9"
    & skf18("5","4","10","1","5","3","1") = "9"
    & skf18("5","4","10","1","5","4","1") = "9"
    & skf18("5","4","10","1","5","5","1") = "9"
    & skf18("5","4","10","1","5","6","1") = "9"
    & skf18("5","4","10","1","5","7","1") = "9"
    & skf18("5","4","10","1","5","8","1") = "9"
    & skf18("5","4","10","1","5","9","1") = "9"
    & skf18("5","4","10","1","5","10","1") = "9"
    & skf18("5","4","10","1","6","1","1") = "9"
    & skf18("5","4","10","1","6","2","1") = "9"
    & skf18("5","4","10","1","6","3","1") = "9"
    & skf18("5","4","10","1","6","4","1") = "9"
    & skf18("5","4","10","1","6","5","1") = "9"
    & skf18("5","4","10","1","6","6","1") = "9"
    & skf18("5","4","10","1","6","7","1") = "9"
    & skf18("5","4","10","1","6","8","1") = "9"
    & skf18("5","4","10","1","6","9","1") = "9"
    & skf18("5","4","10","1","6","10","1") = "9"
    & skf18("5","4","10","1","7","1","1") = "9"
    & skf18("5","4","10","1","7","2","1") = "9"
    & skf18("5","4","10","1","7","3","1") = "9"
    & skf18("5","4","10","1","7","4","1") = "9"
    & skf18("5","4","10","1","7","5","1") = "9"
    & skf18("5","4","10","1","7","6","1") = "9"
    & skf18("5","4","10","1","7","7","1") = "9"
    & skf18("5","4","10","1","7","8","1") = "9"
    & skf18("5","4","10","1","7","9","1") = "9"
    & skf18("5","4","10","1","7","10","1") = "9"
    & skf18("5","4","10","1","8","1","1") = "9"
    & skf18("5","4","10","1","8","2","1") = "9"
    & skf18("5","4","10","1","8","3","1") = "9"
    & skf18("5","4","10","1","8","4","1") = "9"
    & skf18("5","4","10","1","8","5","1") = "9"
    & skf18("5","4","10","1","8","6","1") = "9"
    & skf18("5","4","10","1","8","7","1") = "9"
    & skf18("5","4","10","1","8","8","1") = "9"
    & skf18("5","4","10","1","8","9","1") = "9"
    & skf18("5","4","10","1","8","10","1") = "9"
    & skf18("5","4","10","1","9","1","1") = "9"
    & skf18("5","4","10","1","9","2","1") = "9"
    & skf18("5","4","10","1","9","3","1") = "9"
    & skf18("5","4","10","1","9","4","1") = "9"
    & skf18("5","4","10","1","9","5","1") = "9"
    & skf18("5","4","10","1","9","6","1") = "9"
    & skf18("5","4","10","1","9","7","1") = "9"
    & skf18("5","4","10","1","9","8","1") = "9"
    & skf18("5","4","10","1","9","9","1") = "9"
    & skf18("5","4","10","1","9","10","1") = "9"
    & skf18("5","4","10","1","10","1","1") = "9"
    & skf18("5","4","10","1","10","2","1") = "9"
    & skf18("5","4","10","1","10","3","1") = "9"
    & skf18("5","4","10","1","10","4","1") = "9"
    & skf18("5","4","10","1","10","5","1") = "9"
    & skf18("5","4","10","1","10","6","1") = "9"
    & skf18("5","4","10","1","10","7","1") = "9"
    & skf18("5","4","10","1","10","8","1") = "9"
    & skf18("5","4","10","1","10","9","1") = "9"
    & skf18("5","4","10","1","10","10","1") = "9"
    & skf18("5","4","10","2","1","1","1") = "9"
    & skf18("5","4","10","2","1","2","1") = "9"
    & skf18("5","4","10","2","1","3","1") = "9"
    & skf18("5","4","10","2","1","4","1") = "9"
    & skf18("5","4","10","2","1","5","1") = "9"
    & skf18("5","4","10","2","1","6","1") = "9"
    & skf18("5","4","10","2","1","7","1") = "9"
    & skf18("5","4","10","2","1","8","1") = "9"
    & skf18("5","4","10","2","1","9","1") = "9"
    & skf18("5","4","10","2","1","10","1") = "9"
    & skf18("5","4","10","2","2","1","1") = "9"
    & skf18("5","4","10","2","2","2","1") = "9"
    & skf18("5","4","10","2","2","3","1") = "9"
    & skf18("5","4","10","2","2","4","1") = "9"
    & skf18("5","4","10","2","2","5","1") = "9"
    & skf18("5","4","10","2","2","6","1") = "9"
    & skf18("5","4","10","2","2","7","1") = "9"
    & skf18("5","4","10","2","2","8","1") = "9"
    & skf18("5","4","10","2","2","9","1") = "9"
    & skf18("5","4","10","2","2","10","1") = "9"
    & skf18("5","4","10","2","3","1","1") = "9"
    & skf18("5","4","10","2","3","2","1") = "9"
    & skf18("5","4","10","2","3","3","1") = "9"
    & skf18("5","4","10","2","3","4","1") = "9"
    & skf18("5","4","10","2","3","5","1") = "9"
    & skf18("5","4","10","2","3","6","1") = "9"
    & skf18("5","4","10","2","3","7","1") = "9"
    & skf18("5","4","10","2","3","8","1") = "9"
    & skf18("5","4","10","2","3","9","1") = "9"
    & skf18("5","4","10","2","3","10","1") = "9"
    & skf18("5","4","10","2","4","1","1") = "9"
    & skf18("5","4","10","2","4","2","1") = "9"
    & skf18("5","4","10","2","4","3","1") = "9"
    & skf18("5","4","10","2","4","4","1") = "9"
    & skf18("5","4","10","2","4","5","1") = "9"
    & skf18("5","4","10","2","4","6","1") = "9"
    & skf18("5","4","10","2","4","7","1") = "9"
    & skf18("5","4","10","2","4","8","1") = "9"
    & skf18("5","4","10","2","4","9","1") = "9"
    & skf18("5","4","10","2","4","10","1") = "9"
    & skf18("5","4","10","2","5","1","1") = "9"
    & skf18("5","4","10","2","5","2","1") = "9"
    & skf18("5","4","10","2","5","3","1") = "9"
    & skf18("5","4","10","2","5","4","1") = "9"
    & skf18("5","4","10","2","5","5","1") = "9"
    & skf18("5","4","10","2","5","6","1") = "9"
    & skf18("5","4","10","2","5","7","1") = "9"
    & skf18("5","4","10","2","5","8","1") = "9"
    & skf18("5","4","10","2","5","9","1") = "9"
    & skf18("5","4","10","2","5","10","1") = "9"
    & skf18("5","4","10","2","6","1","1") = "9"
    & skf18("5","4","10","2","6","2","1") = "9"
    & skf18("5","4","10","2","6","3","1") = "9"
    & skf18("5","4","10","2","6","4","1") = "9"
    & skf18("5","4","10","2","6","5","1") = "9"
    & skf18("5","4","10","2","6","6","1") = "9"
    & skf18("5","4","10","2","6","7","1") = "9"
    & skf18("5","4","10","2","6","8","1") = "9"
    & skf18("5","4","10","2","6","9","1") = "9"
    & skf18("5","4","10","2","6","10","1") = "9"
    & skf18("5","4","10","2","7","1","1") = "9"
    & skf18("5","4","10","2","7","2","1") = "9"
    & skf18("5","4","10","2","7","3","1") = "9"
    & skf18("5","4","10","2","7","4","1") = "9"
    & skf18("5","4","10","2","7","5","1") = "9"
    & skf18("5","4","10","2","7","6","1") = "9"
    & skf18("5","4","10","2","7","7","1") = "9"
    & skf18("5","4","10","2","7","8","1") = "9"
    & skf18("5","4","10","2","7","9","1") = "9"
    & skf18("5","4","10","2","7","10","1") = "9"
    & skf18("5","4","10","2","8","1","1") = "9"
    & skf18("5","4","10","2","8","2","1") = "9"
    & skf18("5","4","10","2","8","3","1") = "9"
    & skf18("5","4","10","2","8","4","1") = "9"
    & skf18("5","4","10","2","8","5","1") = "9"
    & skf18("5","4","10","2","8","6","1") = "9"
    & skf18("5","4","10","2","8","7","1") = "9"
    & skf18("5","4","10","2","8","8","1") = "9"
    & skf18("5","4","10","2","8","9","1") = "9"
    & skf18("5","4","10","2","8","10","1") = "9"
    & skf18("5","4","10","2","9","1","1") = "9"
    & skf18("5","4","10","2","9","2","1") = "9"
    & skf18("5","4","10","2","9","3","1") = "9"
    & skf18("5","4","10","2","9","4","1") = "9"
    & skf18("5","4","10","2","9","5","1") = "9"
    & skf18("5","4","10","2","9","6","1") = "9"
    & skf18("5","4","10","2","9","7","1") = "9"
    & skf18("5","4","10","2","9","8","1") = "9"
    & skf18("5","4","10","2","9","9","1") = "9"
    & skf18("5","4","10","2","9","10","1") = "9"
    & skf18("5","4","10","2","10","1","1") = "9"
    & skf18("5","4","10","2","10","2","1") = "9"
    & skf18("5","4","10","2","10","3","1") = "9"
    & skf18("5","4","10","2","10","4","1") = "9"
    & skf18("5","4","10","2","10","5","1") = "9"
    & skf18("5","4","10","2","10","6","1") = "9"
    & skf18("5","4","10","2","10","7","1") = "9"
    & skf18("5","4","10","2","10","8","1") = "9"
    & skf18("5","4","10","2","10","9","1") = "9"
    & skf18("5","4","10","2","10","10","1") = "9"
    & skf18("5","4","10","3","1","1","1") = "9"
    & skf18("5","4","10","3","1","2","1") = "9"
    & skf18("5","4","10","3","1","3","1") = "9"
    & skf18("5","4","10","3","1","4","1") = "9"
    & skf18("5","4","10","3","1","5","1") = "9"
    & skf18("5","4","10","3","1","6","1") = "9"
    & skf18("5","4","10","3","1","7","1") = "9"
    & skf18("5","4","10","3","1","8","1") = "9"
    & skf18("5","4","10","3","1","9","1") = "9"
    & skf18("5","4","10","3","1","10","1") = "9"
    & skf18("5","4","10","3","2","1","1") = "9"
    & skf18("5","4","10","3","2","2","1") = "9"
    & skf18("5","4","10","3","2","3","1") = "9"
    & skf18("5","4","10","3","2","4","1") = "9"
    & skf18("5","4","10","3","2","5","1") = "9"
    & skf18("5","4","10","3","2","6","1") = "9"
    & skf18("5","4","10","3","2","7","1") = "9"
    & skf18("5","4","10","3","2","8","1") = "9"
    & skf18("5","4","10","3","2","9","1") = "9"
    & skf18("5","4","10","3","2","10","1") = "9"
    & skf18("5","4","10","3","3","1","1") = "9"
    & skf18("5","4","10","3","3","2","1") = "9"
    & skf18("5","4","10","3","3","3","1") = "9"
    & skf18("5","4","10","3","3","4","1") = "9"
    & skf18("5","4","10","3","3","5","1") = "9"
    & skf18("5","4","10","3","3","6","1") = "9"
    & skf18("5","4","10","3","3","7","1") = "9"
    & skf18("5","4","10","3","3","8","1") = "9"
    & skf18("5","4","10","3","3","9","1") = "9"
    & skf18("5","4","10","3","3","10","1") = "9"
    & skf18("5","4","10","3","4","1","1") = "9"
    & skf18("5","4","10","3","4","2","1") = "9"
    & skf18("5","4","10","3","4","3","1") = "9"
    & skf18("5","4","10","3","4","4","1") = "9"
    & skf18("5","4","10","3","4","5","1") = "9"
    & skf18("5","4","10","3","4","6","1") = "9"
    & skf18("5","4","10","3","4","7","1") = "9"
    & skf18("5","4","10","3","4","8","1") = "9"
    & skf18("5","4","10","3","4","9","1") = "9"
    & skf18("5","4","10","3","4","10","1") = "9"
    & skf18("5","4","10","3","5","1","1") = "9"
    & skf18("5","4","10","3","5","2","1") = "9"
    & skf18("5","4","10","3","5","3","1") = "9"
    & skf18("5","4","10","3","5","4","1") = "9"
    & skf18("5","4","10","3","5","5","1") = "9"
    & skf18("5","4","10","3","5","6","1") = "9"
    & skf18("5","4","10","3","5","7","1") = "9"
    & skf18("5","4","10","3","5","8","1") = "9"
    & skf18("5","4","10","3","5","9","1") = "9"
    & skf18("5","4","10","3","5","10","1") = "9"
    & skf18("5","4","10","3","6","1","1") = "9"
    & skf18("5","4","10","3","6","2","1") = "9"
    & skf18("5","4","10","3","6","3","1") = "9"
    & skf18("5","4","10","3","6","4","1") = "9"
    & skf18("5","4","10","3","6","5","1") = "9"
    & skf18("5","4","10","3","6","6","1") = "9"
    & skf18("5","4","10","3","6","7","1") = "9"
    & skf18("5","4","10","3","6","8","1") = "9"
    & skf18("5","4","10","3","6","9","1") = "9"
    & skf18("5","4","10","3","6","10","1") = "9"
    & skf18("5","4","10","3","7","1","1") = "9"
    & skf18("5","4","10","3","7","2","1") = "9"
    & skf18("5","4","10","3","7","3","1") = "9"
    & skf18("5","4","10","3","7","4","1") = "9"
    & skf18("5","4","10","3","7","5","1") = "9"
    & skf18("5","4","10","3","7","6","1") = "9"
    & skf18("5","4","10","3","7","7","1") = "9"
    & skf18("5","4","10","3","7","8","1") = "9"
    & skf18("5","4","10","3","7","9","1") = "9"
    & skf18("5","4","10","3","7","10","1") = "9"
    & skf18("5","4","10","3","8","1","1") = "9"
    & skf18("5","4","10","3","8","2","1") = "9"
    & skf18("5","4","10","3","8","3","1") = "9"
    & skf18("5","4","10","3","8","4","1") = "9"
    & skf18("5","4","10","3","8","5","1") = "9"
    & skf18("5","4","10","3","8","6","1") = "9"
    & skf18("5","4","10","3","8","7","1") = "9"
    & skf18("5","4","10","3","8","8","1") = "9"
    & skf18("5","4","10","3","8","9","1") = "9"
    & skf18("5","4","10","3","8","10","1") = "9"
    & skf18("5","4","10","3","9","1","1") = "9"
    & skf18("5","4","10","3","9","2","1") = "9"
    & skf18("5","4","10","3","9","3","1") = "9"
    & skf18("5","4","10","3","9","4","1") = "9"
    & skf18("5","4","10","3","9","5","1") = "9"
    & skf18("5","4","10","3","9","6","1") = "9"
    & skf18("5","4","10","3","9","7","1") = "9"
    & skf18("5","4","10","3","9","8","1") = "9"
    & skf18("5","4","10","3","9","9","1") = "9"
    & skf18("5","4","10","3","9","10","1") = "9"
    & skf18("5","4","10","3","10","1","1") = "9"
    & skf18("5","4","10","3","10","2","1") = "9"
    & skf18("5","4","10","3","10","3","1") = "9"
    & skf18("5","4","10","3","10","4","1") = "9"
    & skf18("5","4","10","3","10","5","1") = "9"
    & skf18("5","4","10","3","10","6","1") = "9"
    & skf18("5","4","10","3","10","7","1") = "9"
    & skf18("5","4","10","3","10","8","1") = "9"
    & skf18("5","4","10","3","10","9","1") = "9"
    & skf18("5","4","10","3","10","10","1") = "9"
    & skf18("5","4","10","4","1","1","1") = "9"
    & skf18("5","4","10","4","1","2","1") = "9"
    & skf18("5","4","10","4","1","3","1") = "9"
    & skf18("5","4","10","4","1","4","1") = "9"
    & skf18("5","4","10","4","1","5","1") = "9"
    & skf18("5","4","10","4","1","6","1") = "9"
    & skf18("5","4","10","4","1","7","1") = "9"
    & skf18("5","4","10","4","1","8","1") = "9"
    & skf18("5","4","10","4","1","9","1") = "9"
    & skf18("5","4","10","4","1","10","1") = "9"
    & skf18("5","4","10","4","2","1","1") = "9"
    & skf18("5","4","10","4","2","2","1") = "9"
    & skf18("5","4","10","4","2","3","1") = "9"
    & skf18("5","4","10","4","2","4","1") = "9"
    & skf18("5","4","10","4","2","5","1") = "9"
    & skf18("5","4","10","4","2","6","1") = "9"
    & skf18("5","4","10","4","2","7","1") = "9"
    & skf18("5","4","10","4","2","8","1") = "9"
    & skf18("5","4","10","4","2","9","1") = "9"
    & skf18("5","4","10","4","2","10","1") = "9"
    & skf18("5","4","10","4","3","1","1") = "9"
    & skf18("5","4","10","4","3","2","1") = "9"
    & skf18("5","4","10","4","3","3","1") = "9"
    & skf18("5","4","10","4","3","4","1") = "9"
    & skf18("5","4","10","4","3","5","1") = "9"
    & skf18("5","4","10","4","3","6","1") = "9"
    & skf18("5","4","10","4","3","7","1") = "9"
    & skf18("5","4","10","4","3","8","1") = "9"
    & skf18("5","4","10","4","3","9","1") = "9"
    & skf18("5","4","10","4","3","10","1") = "9"
    & skf18("5","4","10","4","4","1","1") = "9"
    & skf18("5","4","10","4","4","2","1") = "9"
    & skf18("5","4","10","4","4","3","1") = "9"
    & skf18("5","4","10","4","4","4","1") = "9"
    & skf18("5","4","10","4","4","5","1") = "9"
    & skf18("5","4","10","4","4","6","1") = "9"
    & skf18("5","4","10","4","4","7","1") = "9"
    & skf18("5","4","10","4","4","8","1") = "9"
    & skf18("5","4","10","4","4","9","1") = "9"
    & skf18("5","4","10","4","4","10","1") = "9"
    & skf18("5","4","10","4","5","1","1") = "9"
    & skf18("5","4","10","4","5","2","1") = "9"
    & skf18("5","4","10","4","5","3","1") = "9"
    & skf18("5","4","10","4","5","4","1") = "9"
    & skf18("5","4","10","4","5","5","1") = "9"
    & skf18("5","4","10","4","5","6","1") = "9"
    & skf18("5","4","10","4","5","7","1") = "9"
    & skf18("5","4","10","4","5","8","1") = "9"
    & skf18("5","4","10","4","5","9","1") = "9"
    & skf18("5","4","10","4","5","10","1") = "9"
    & skf18("5","4","10","4","6","1","1") = "9"
    & skf18("5","4","10","4","6","2","1") = "9"
    & skf18("5","4","10","4","6","3","1") = "9"
    & skf18("5","4","10","4","6","4","1") = "9"
    & skf18("5","4","10","4","6","5","1") = "9"
    & skf18("5","4","10","4","6","6","1") = "9"
    & skf18("5","4","10","4","6","7","1") = "9"
    & skf18("5","4","10","4","6","8","1") = "9"
    & skf18("5","4","10","4","6","9","1") = "9"
    & skf18("5","4","10","4","6","10","1") = "9"
    & skf18("5","4","10","4","7","1","1") = "9"
    & skf18("5","4","10","4","7","2","1") = "9"
    & skf18("5","4","10","4","7","3","1") = "9"
    & skf18("5","4","10","4","7","4","1") = "9"
    & skf18("5","4","10","4","7","5","1") = "9"
    & skf18("5","4","10","4","7","6","1") = "9"
    & skf18("5","4","10","4","7","7","1") = "9"
    & skf18("5","4","10","4","7","8","1") = "9"
    & skf18("5","4","10","4","7","9","1") = "9"
    & skf18("5","4","10","4","7","10","1") = "9"
    & skf18("5","4","10","4","8","1","1") = "9"
    & skf18("5","4","10","4","8","2","1") = "9"
    & skf18("5","4","10","4","8","3","1") = "9"
    & skf18("5","4","10","4","8","4","1") = "9"
    & skf18("5","4","10","4","8","5","1") = "9"
    & skf18("5","4","10","4","8","6","1") = "9"
    & skf18("5","4","10","4","8","7","1") = "9"
    & skf18("5","4","10","4","8","8","1") = "9"
    & skf18("5","4","10","4","8","9","1") = "9"
    & skf18("5","4","10","4","8","10","1") = "9"
    & skf18("5","4","10","4","9","1","1") = "9"
    & skf18("5","4","10","4","9","2","1") = "9"
    & skf18("5","4","10","4","9","3","1") = "9"
    & skf18("5","4","10","4","9","4","1") = "9"
    & skf18("5","4","10","4","9","5","1") = "9"
    & skf18("5","4","10","4","9","6","1") = "9"
    & skf18("5","4","10","4","9","7","1") = "9"
    & skf18("5","4","10","4","9","8","1") = "9"
    & skf18("5","4","10","4","9","9","1") = "9"
    & skf18("5","4","10","4","9","10","1") = "9"
    & skf18("5","4","10","4","10","1","1") = "9"
    & skf18("5","4","10","4","10","2","1") = "9"
    & skf18("5","4","10","4","10","3","1") = "9"
    & skf18("5","4","10","4","10","4","1") = "9"
    & skf18("5","4","10","4","10","5","1") = "9"
    & skf18("5","4","10","4","10","6","1") = "9"
    & skf18("5","4","10","4","10","7","1") = "9"
    & skf18("5","4","10","4","10","8","1") = "9"
    & skf18("5","4","10","4","10","9","1") = "9"
    & skf18("5","4","10","4","10","10","1") = "9"
    & skf18("5","4","10","5","1","1","1") = "9"
    & skf18("5","4","10","5","1","2","1") = "9"
    & skf18("5","4","10","5","1","3","1") = "9"
    & skf18("5","4","10","5","1","4","1") = "9"
    & skf18("5","4","10","5","1","5","1") = "9"
    & skf18("5","4","10","5","1","6","1") = "9"
    & skf18("5","4","10","5","1","7","1") = "9"
    & skf18("5","4","10","5","1","8","1") = "9"
    & skf18("5","4","10","5","1","9","1") = "9"
    & skf18("5","4","10","5","1","10","1") = "9"
    & skf18("5","4","10","5","2","1","1") = "9"
    & skf18("5","4","10","5","2","2","1") = "9"
    & skf18("5","4","10","5","2","3","1") = "9"
    & skf18("5","4","10","5","2","4","1") = "9"
    & skf18("5","4","10","5","2","5","1") = "9"
    & skf18("5","4","10","5","2","6","1") = "9"
    & skf18("5","4","10","5","2","7","1") = "9"
    & skf18("5","4","10","5","2","8","1") = "9"
    & skf18("5","4","10","5","2","9","1") = "9"
    & skf18("5","4","10","5","2","10","1") = "9"
    & skf18("5","4","10","5","3","1","1") = "9"
    & skf18("5","4","10","5","3","2","1") = "9"
    & skf18("5","4","10","5","3","3","1") = "9"
    & skf18("5","4","10","5","3","4","1") = "9"
    & skf18("5","4","10","5","3","5","1") = "9"
    & skf18("5","4","10","5","3","6","1") = "9"
    & skf18("5","4","10","5","3","7","1") = "9"
    & skf18("5","4","10","5","3","8","1") = "9"
    & skf18("5","4","10","5","3","9","1") = "9"
    & skf18("5","4","10","5","3","10","1") = "9"
    & skf18("5","4","10","5","4","1","1") = "9"
    & skf18("5","4","10","5","4","2","1") = "9"
    & skf18("5","4","10","5","4","3","1") = "9"
    & skf18("5","4","10","5","4","4","1") = "9"
    & skf18("5","4","10","5","4","5","1") = "9"
    & skf18("5","4","10","5","4","6","1") = "9"
    & skf18("5","4","10","5","4","7","1") = "9"
    & skf18("5","4","10","5","4","8","1") = "9"
    & skf18("5","4","10","5","4","9","1") = "9"
    & skf18("5","4","10","5","4","10","1") = "9"
    & skf18("5","4","10","5","5","1","1") = "9"
    & skf18("5","4","10","5","5","2","1") = "9"
    & skf18("5","4","10","5","5","3","1") = "9"
    & skf18("5","4","10","5","5","4","1") = "9"
    & skf18("5","4","10","5","5","5","1") = "9"
    & skf18("5","4","10","5","5","6","1") = "9"
    & skf18("5","4","10","5","5","7","1") = "9"
    & skf18("5","4","10","5","5","8","1") = "9"
    & skf18("5","4","10","5","5","9","1") = "9"
    & skf18("5","4","10","5","5","10","1") = "9"
    & skf18("5","4","10","5","6","1","1") = "9"
    & skf18("5","4","10","5","6","2","1") = "9"
    & skf18("5","4","10","5","6","3","1") = "9"
    & skf18("5","4","10","5","6","4","1") = "9"
    & skf18("5","4","10","5","6","5","1") = "9"
    & skf18("5","4","10","5","6","6","1") = "9"
    & skf18("5","4","10","5","6","7","1") = "9"
    & skf18("5","4","10","5","6","8","1") = "9"
    & skf18("5","4","10","5","6","9","1") = "9"
    & skf18("5","4","10","5","6","10","1") = "9"
    & skf18("5","4","10","5","7","1","1") = "9"
    & skf18("5","4","10","5","7","2","1") = "9"
    & skf18("5","4","10","5","7","3","1") = "9"
    & skf18("5","4","10","5","7","4","1") = "9"
    & skf18("5","4","10","5","7","5","1") = "9"
    & skf18("5","4","10","5","7","6","1") = "9"
    & skf18("5","4","10","5","7","7","1") = "9"
    & skf18("5","4","10","5","7","8","1") = "9"
    & skf18("5","4","10","5","7","9","1") = "9"
    & skf18("5","4","10","5","7","10","1") = "9"
    & skf18("5","4","10","5","8","1","1") = "9"
    & skf18("5","4","10","5","8","2","1") = "9"
    & skf18("5","4","10","5","8","3","1") = "9"
    & skf18("5","4","10","5","8","4","1") = "9"
    & skf18("5","4","10","5","8","5","1") = "9"
    & skf18("5","4","10","5","8","6","1") = "9"
    & skf18("5","4","10","5","8","7","1") = "9"
    & skf18("5","4","10","5","8","8","1") = "9"
    & skf18("5","4","10","5","8","9","1") = "9"
    & skf18("5","4","10","5","8","10","1") = "9"
    & skf18("5","4","10","5","9","1","1") = "9"
    & skf18("5","4","10","5","9","2","1") = "9"
    & skf18("5","4","10","5","9","3","1") = "9"
    & skf18("5","4","10","5","9","4","1") = "9"
    & skf18("5","4","10","5","9","5","1") = "9"
    & skf18("5","4","10","5","9","6","1") = "9"
    & skf18("5","4","10","5","9","7","1") = "9"
    & skf18("5","4","10","5","9","8","1") = "9"
    & skf18("5","4","10","5","9","9","1") = "9"
    & skf18("5","4","10","5","9","10","1") = "9"
    & skf18("5","4","10","5","10","1","1") = "9"
    & skf18("5","4","10","5","10","2","1") = "9"
    & skf18("5","4","10","5","10","3","1") = "9"
    & skf18("5","4","10","5","10","4","1") = "9"
    & skf18("5","4","10","5","10","5","1") = "9"
    & skf18("5","4","10","5","10","6","1") = "9"
    & skf18("5","4","10","5","10","7","1") = "9"
    & skf18("5","4","10","5","10","8","1") = "9"
    & skf18("5","4","10","5","10","9","1") = "9"
    & skf18("5","4","10","5","10","10","1") = "9"
    & skf18("5","4","10","6","1","1","1") = "9"
    & skf18("5","4","10","6","1","2","1") = "9"
    & skf18("5","4","10","6","1","3","1") = "9"
    & skf18("5","4","10","6","1","4","1") = "9"
    & skf18("5","4","10","6","1","5","1") = "9"
    & skf18("5","4","10","6","1","6","1") = "9"
    & skf18("5","4","10","6","1","7","1") = "9"
    & skf18("5","4","10","6","1","8","1") = "9"
    & skf18("5","4","10","6","1","9","1") = "9"
    & skf18("5","4","10","6","1","10","1") = "9"
    & skf18("5","4","10","6","2","1","1") = "9"
    & skf18("5","4","10","6","2","2","1") = "9"
    & skf18("5","4","10","6","2","3","1") = "9"
    & skf18("5","4","10","6","2","4","1") = "9"
    & skf18("5","4","10","6","2","5","1") = "9"
    & skf18("5","4","10","6","2","6","1") = "9"
    & skf18("5","4","10","6","2","7","1") = "9"
    & skf18("5","4","10","6","2","8","1") = "9"
    & skf18("5","4","10","6","2","9","1") = "9"
    & skf18("5","4","10","6","2","10","1") = "9"
    & skf18("5","4","10","6","3","1","1") = "9"
    & skf18("5","4","10","6","3","2","1") = "9"
    & skf18("5","4","10","6","3","3","1") = "9"
    & skf18("5","4","10","6","3","4","1") = "9"
    & skf18("5","4","10","6","3","5","1") = "9"
    & skf18("5","4","10","6","3","6","1") = "9"
    & skf18("5","4","10","6","3","7","1") = "9"
    & skf18("5","4","10","6","3","8","1") = "9"
    & skf18("5","4","10","6","3","9","1") = "9"
    & skf18("5","4","10","6","3","10","1") = "9"
    & skf18("5","4","10","6","4","1","1") = "9"
    & skf18("5","4","10","6","4","2","1") = "9"
    & skf18("5","4","10","6","4","3","1") = "9"
    & skf18("5","4","10","6","4","4","1") = "9"
    & skf18("5","4","10","6","4","5","1") = "9"
    & skf18("5","4","10","6","4","6","1") = "9"
    & skf18("5","4","10","6","4","7","1") = "9"
    & skf18("5","4","10","6","4","8","1") = "9"
    & skf18("5","4","10","6","4","9","1") = "9"
    & skf18("5","4","10","6","4","10","1") = "9"
    & skf18("5","4","10","6","5","1","1") = "9"
    & skf18("5","4","10","6","5","2","1") = "9"
    & skf18("5","4","10","6","5","3","1") = "9"
    & skf18("5","4","10","6","5","4","1") = "9"
    & skf18("5","4","10","6","5","5","1") = "9"
    & skf18("5","4","10","6","5","6","1") = "9"
    & skf18("5","4","10","6","5","7","1") = "9"
    & skf18("5","4","10","6","5","8","1") = "9"
    & skf18("5","4","10","6","5","9","1") = "9"
    & skf18("5","4","10","6","5","10","1") = "9"
    & skf18("5","4","10","6","6","1","1") = "9"
    & skf18("5","4","10","6","6","2","1") = "9"
    & skf18("5","4","10","6","6","3","1") = "9"
    & skf18("5","4","10","6","6","4","1") = "9"
    & skf18("5","4","10","6","6","5","1") = "9"
    & skf18("5","4","10","6","6","6","1") = "9"
    & skf18("5","4","10","6","6","7","1") = "9"
    & skf18("5","4","10","6","6","8","1") = "9"
    & skf18("5","4","10","6","6","9","1") = "9"
    & skf18("5","4","10","6","6","10","1") = "9"
    & skf18("5","4","10","6","7","1","1") = "9"
    & skf18("5","4","10","6","7","2","1") = "9"
    & skf18("5","4","10","6","7","3","1") = "9"
    & skf18("5","4","10","6","7","4","1") = "9"
    & skf18("5","4","10","6","7","5","1") = "9"
    & skf18("5","4","10","6","7","6","1") = "9"
    & skf18("5","4","10","6","7","7","1") = "9"
    & skf18("5","4","10","6","7","8","1") = "9"
    & skf18("5","4","10","6","7","9","1") = "9"
    & skf18("5","4","10","6","7","10","1") = "9"
    & skf18("5","4","10","6","8","1","1") = "9"
    & skf18("5","4","10","6","8","2","1") = "9"
    & skf18("5","4","10","6","8","3","1") = "9"
    & skf18("5","4","10","6","8","4","1") = "9"
    & skf18("5","4","10","6","8","5","1") = "9"
    & skf18("5","4","10","6","8","6","1") = "9"
    & skf18("5","4","10","6","8","7","1") = "9"
    & skf18("5","4","10","6","8","8","1") = "9"
    & skf18("5","4","10","6","8","9","1") = "9"
    & skf18("5","4","10","6","8","10","1") = "9"
    & skf18("5","4","10","6","9","1","1") = "9"
    & skf18("5","4","10","6","9","2","1") = "9"
    & skf18("5","4","10","6","9","3","1") = "9"
    & skf18("5","4","10","6","9","4","1") = "9"
    & skf18("5","4","10","6","9","5","1") = "9"
    & skf18("5","4","10","6","9","6","1") = "9"
    & skf18("5","4","10","6","9","7","1") = "9"
    & skf18("5","4","10","6","9","8","1") = "9"
    & skf18("5","4","10","6","9","9","1") = "9"
    & skf18("5","4","10","6","9","10","1") = "9"
    & skf18("5","4","10","6","10","1","1") = "9"
    & skf18("5","4","10","6","10","2","1") = "9"
    & skf18("5","4","10","6","10","3","1") = "9"
    & skf18("5","4","10","6","10","4","1") = "9"
    & skf18("5","4","10","6","10","5","1") = "9"
    & skf18("5","4","10","6","10","6","1") = "9"
    & skf18("5","4","10","6","10","7","1") = "9"
    & skf18("5","4","10","6","10","8","1") = "9"
    & skf18("5","4","10","6","10","9","1") = "9"
    & skf18("5","4","10","6","10","10","1") = "9"
    & skf18("5","4","10","7","1","1","1") = "9"
    & skf18("5","4","10","7","1","2","1") = "9"
    & skf18("5","4","10","7","1","3","1") = "9"
    & skf18("5","4","10","7","1","4","1") = "9"
    & skf18("5","4","10","7","1","5","1") = "9"
    & skf18("5","4","10","7","1","6","1") = "9"
    & skf18("5","4","10","7","1","7","1") = "9"
    & skf18("5","4","10","7","1","8","1") = "9"
    & skf18("5","4","10","7","1","9","1") = "9"
    & skf18("5","4","10","7","1","10","1") = "9"
    & skf18("5","4","10","7","2","1","1") = "9"
    & skf18("5","4","10","7","2","2","1") = "9"
    & skf18("5","4","10","7","2","3","1") = "9"
    & skf18("5","4","10","7","2","4","1") = "9"
    & skf18("5","4","10","7","2","5","1") = "9"
    & skf18("5","4","10","7","2","6","1") = "9"
    & skf18("5","4","10","7","2","7","1") = "9"
    & skf18("5","4","10","7","2","8","1") = "9"
    & skf18("5","4","10","7","2","9","1") = "9"
    & skf18("5","4","10","7","2","10","1") = "9"
    & skf18("5","4","10","7","3","1","1") = "9"
    & skf18("5","4","10","7","3","2","1") = "9"
    & skf18("5","4","10","7","3","3","1") = "9"
    & skf18("5","4","10","7","3","4","1") = "9"
    & skf18("5","4","10","7","3","5","1") = "9"
    & skf18("5","4","10","7","3","6","1") = "9"
    & skf18("5","4","10","7","3","7","1") = "9"
    & skf18("5","4","10","7","3","8","1") = "9"
    & skf18("5","4","10","7","3","9","1") = "9"
    & skf18("5","4","10","7","3","10","1") = "9"
    & skf18("5","4","10","7","4","1","1") = "9"
    & skf18("5","4","10","7","4","2","1") = "9"
    & skf18("5","4","10","7","4","3","1") = "9"
    & skf18("5","4","10","7","4","4","1") = "9"
    & skf18("5","4","10","7","4","5","1") = "9"
    & skf18("5","4","10","7","4","6","1") = "9"
    & skf18("5","4","10","7","4","7","1") = "9"
    & skf18("5","4","10","7","4","8","1") = "9"
    & skf18("5","4","10","7","4","9","1") = "9"
    & skf18("5","4","10","7","4","10","1") = "9"
    & skf18("5","4","10","7","5","1","1") = "9"
    & skf18("5","4","10","7","5","2","1") = "9"
    & skf18("5","4","10","7","5","3","1") = "9"
    & skf18("5","4","10","7","5","4","1") = "9"
    & skf18("5","4","10","7","5","5","1") = "9"
    & skf18("5","4","10","7","5","6","1") = "9"
    & skf18("5","4","10","7","5","7","1") = "9"
    & skf18("5","4","10","7","5","8","1") = "9"
    & skf18("5","4","10","7","5","9","1") = "9"
    & skf18("5","4","10","7","5","10","1") = "9"
    & skf18("5","4","10","7","6","1","1") = "9"
    & skf18("5","4","10","7","6","2","1") = "9"
    & skf18("5","4","10","7","6","3","1") = "9"
    & skf18("5","4","10","7","6","4","1") = "9"
    & skf18("5","4","10","7","6","5","1") = "9"
    & skf18("5","4","10","7","6","6","1") = "9"
    & skf18("5","4","10","7","6","7","1") = "9"
    & skf18("5","4","10","7","6","8","1") = "9"
    & skf18("5","4","10","7","6","9","1") = "9"
    & skf18("5","4","10","7","6","10","1") = "9"
    & skf18("5","4","10","7","7","1","1") = "9"
    & skf18("5","4","10","7","7","2","1") = "9"
    & skf18("5","4","10","7","7","3","1") = "9"
    & skf18("5","4","10","7","7","4","1") = "9"
    & skf18("5","4","10","7","7","5","1") = "9"
    & skf18("5","4","10","7","7","6","1") = "9"
    & skf18("5","4","10","7","7","7","1") = "9"
    & skf18("5","4","10","7","7","8","1") = "9"
    & skf18("5","4","10","7","7","9","1") = "9"
    & skf18("5","4","10","7","7","10","1") = "9"
    & skf18("5","4","10","7","8","1","1") = "9"
    & skf18("5","4","10","7","8","2","1") = "9"
    & skf18("5","4","10","7","8","3","1") = "9"
    & skf18("5","4","10","7","8","4","1") = "9"
    & skf18("5","4","10","7","8","5","1") = "9"
    & skf18("5","4","10","7","8","6","1") = "9"
    & skf18("5","4","10","7","8","7","1") = "9"
    & skf18("5","4","10","7","8","8","1") = "9"
    & skf18("5","4","10","7","8","9","1") = "9"
    & skf18("5","4","10","7","8","10","1") = "9"
    & skf18("5","4","10","7","9","1","1") = "9"
    & skf18("5","4","10","7","9","2","1") = "9"
    & skf18("5","4","10","7","9","3","1") = "9"
    & skf18("5","4","10","7","9","4","1") = "9"
    & skf18("5","4","10","7","9","5","1") = "9"
    & skf18("5","4","10","7","9","6","1") = "9"
    & skf18("5","4","10","7","9","7","1") = "9"
    & skf18("5","4","10","7","9","8","1") = "9"
    & skf18("5","4","10","7","9","9","1") = "9"
    & skf18("5","4","10","7","9","10","1") = "9"
    & skf18("5","4","10","7","10","1","1") = "9"
    & skf18("5","4","10","7","10","2","1") = "9"
    & skf18("5","4","10","7","10","3","1") = "9"
    & skf18("5","4","10","7","10","4","1") = "9"
    & skf18("5","4","10","7","10","5","1") = "9"
    & skf18("5","4","10","7","10","6","1") = "9"
    & skf18("5","4","10","7","10","7","1") = "9"
    & skf18("5","4","10","7","10","8","1") = "9"
    & skf18("5","4","10","7","10","9","1") = "9"
    & skf18("5","4","10","7","10","10","1") = "9"
    & skf18("5","4","10","8","1","1","1") = "9"
    & skf18("5","4","10","8","1","2","1") = "9"
    & skf18("5","4","10","8","1","3","1") = "9"
    & skf18("5","4","10","8","1","4","1") = "9"
    & skf18("5","4","10","8","1","5","1") = "9"
    & skf18("5","4","10","8","1","6","1") = "9"
    & skf18("5","4","10","8","1","7","1") = "9"
    & skf18("5","4","10","8","1","8","1") = "9"
    & skf18("5","4","10","8","1","9","1") = "9"
    & skf18("5","4","10","8","1","10","1") = "9"
    & skf18("5","4","10","8","2","1","1") = "9"
    & skf18("5","4","10","8","2","2","1") = "9"
    & skf18("5","4","10","8","2","3","1") = "9"
    & skf18("5","4","10","8","2","4","1") = "9"
    & skf18("5","4","10","8","2","5","1") = "9"
    & skf18("5","4","10","8","2","6","1") = "9"
    & skf18("5","4","10","8","2","7","1") = "9"
    & skf18("5","4","10","8","2","8","1") = "9"
    & skf18("5","4","10","8","2","9","1") = "9"
    & skf18("5","4","10","8","2","10","1") = "9"
    & skf18("5","4","10","8","3","1","1") = "9"
    & skf18("5","4","10","8","3","2","1") = "9"
    & skf18("5","4","10","8","3","3","1") = "9"
    & skf18("5","4","10","8","3","4","1") = "9"
    & skf18("5","4","10","8","3","5","1") = "9"
    & skf18("5","4","10","8","3","6","1") = "9"
    & skf18("5","4","10","8","3","7","1") = "9"
    & skf18("5","4","10","8","3","8","1") = "9"
    & skf18("5","4","10","8","3","9","1") = "9"
    & skf18("5","4","10","8","3","10","1") = "9"
    & skf18("5","4","10","8","4","1","1") = "9"
    & skf18("5","4","10","8","4","2","1") = "9"
    & skf18("5","4","10","8","4","3","1") = "9"
    & skf18("5","4","10","8","4","4","1") = "9"
    & skf18("5","4","10","8","4","5","1") = "9"
    & skf18("5","4","10","8","4","6","1") = "9"
    & skf18("5","4","10","8","4","7","1") = "9"
    & skf18("5","4","10","8","4","8","1") = "9"
    & skf18("5","4","10","8","4","9","1") = "9"
    & skf18("5","4","10","8","4","10","1") = "9"
    & skf18("5","4","10","8","5","1","1") = "9"
    & skf18("5","4","10","8","5","2","1") = "9"
    & skf18("5","4","10","8","5","3","1") = "9"
    & skf18("5","4","10","8","5","4","1") = "9"
    & skf18("5","4","10","8","5","5","1") = "9"
    & skf18("5","4","10","8","5","6","1") = "9"
    & skf18("5","4","10","8","5","7","1") = "9"
    & skf18("5","4","10","8","5","8","1") = "9"
    & skf18("5","4","10","8","5","9","1") = "9"
    & skf18("5","4","10","8","5","10","1") = "9"
    & skf18("5","4","10","8","6","1","1") = "9"
    & skf18("5","4","10","8","6","2","1") = "9"
    & skf18("5","4","10","8","6","3","1") = "9"
    & skf18("5","4","10","8","6","4","1") = "9"
    & skf18("5","4","10","8","6","5","1") = "9"
    & skf18("5","4","10","8","6","6","1") = "9"
    & skf18("5","4","10","8","6","7","1") = "9"
    & skf18("5","4","10","8","6","8","1") = "9"
    & skf18("5","4","10","8","6","9","1") = "9"
    & skf18("5","4","10","8","6","10","1") = "9"
    & skf18("5","4","10","8","7","1","1") = "9"
    & skf18("5","4","10","8","7","2","1") = "9"
    & skf18("5","4","10","8","7","3","1") = "9"
    & skf18("5","4","10","8","7","4","1") = "9"
    & skf18("5","4","10","8","7","5","1") = "9"
    & skf18("5","4","10","8","7","6","1") = "9"
    & skf18("5","4","10","8","7","7","1") = "9"
    & skf18("5","4","10","8","7","8","1") = "9"
    & skf18("5","4","10","8","7","9","1") = "9"
    & skf18("5","4","10","8","7","10","1") = "9"
    & skf18("5","4","10","8","8","1","1") = "9"
    & skf18("5","4","10","8","8","2","1") = "9"
    & skf18("5","4","10","8","8","3","1") = "9"
    & skf18("5","4","10","8","8","4","1") = "9"
    & skf18("5","4","10","8","8","5","1") = "9"
    & skf18("5","4","10","8","8","6","1") = "9"
    & skf18("5","4","10","8","8","7","1") = "9"
    & skf18("5","4","10","8","8","8","1") = "9"
    & skf18("5","4","10","8","8","9","1") = "9"
    & skf18("5","4","10","8","8","10","1") = "9"
    & skf18("5","4","10","8","9","1","1") = "9"
    & skf18("5","4","10","8","9","2","1") = "9"
    & skf18("5","4","10","8","9","3","1") = "9"
    & skf18("5","4","10","8","9","4","1") = "9"
    & skf18("5","4","10","8","9","5","1") = "9"
    & skf18("5","4","10","8","9","6","1") = "9"
    & skf18("5","4","10","8","9","7","1") = "9"
    & skf18("5","4","10","8","9","8","1") = "9"
    & skf18("5","4","10","8","9","9","1") = "9"
    & skf18("5","4","10","8","9","10","1") = "9"
    & skf18("5","4","10","8","10","1","1") = "9"
    & skf18("5","4","10","8","10","2","1") = "9"
    & skf18("5","4","10","8","10","3","1") = "9"
    & skf18("5","4","10","8","10","4","1") = "9"
    & skf18("5","4","10","8","10","5","1") = "9"
    & skf18("5","4","10","8","10","6","1") = "9"
    & skf18("5","4","10","8","10","7","1") = "9"
    & skf18("5","4","10","8","10","8","1") = "9"
    & skf18("5","4","10","8","10","9","1") = "9"
    & skf18("5","4","10","8","10","10","1") = "9"
    & skf18("5","4","10","9","1","1","1") = "9"
    & skf18("5","4","10","9","1","2","1") = "9"
    & skf18("5","4","10","9","1","3","1") = "9"
    & skf18("5","4","10","9","1","4","1") = "9"
    & skf18("5","4","10","9","1","5","1") = "9"
    & skf18("5","4","10","9","1","6","1") = "9"
    & skf18("5","4","10","9","1","7","1") = "9"
    & skf18("5","4","10","9","1","8","1") = "9"
    & skf18("5","4","10","9","1","9","1") = "9"
    & skf18("5","4","10","9","1","10","1") = "9"
    & skf18("5","4","10","9","2","1","1") = "9"
    & skf18("5","4","10","9","2","2","1") = "9"
    & skf18("5","4","10","9","2","3","1") = "9"
    & skf18("5","4","10","9","2","4","1") = "9"
    & skf18("5","4","10","9","2","5","1") = "9"
    & skf18("5","4","10","9","2","6","1") = "9"
    & skf18("5","4","10","9","2","7","1") = "9"
    & skf18("5","4","10","9","2","8","1") = "9"
    & skf18("5","4","10","9","2","9","1") = "9"
    & skf18("5","4","10","9","2","10","1") = "9"
    & skf18("5","4","10","9","3","1","1") = "9"
    & skf18("5","4","10","9","3","2","1") = "9"
    & skf18("5","4","10","9","3","3","1") = "9"
    & skf18("5","4","10","9","3","4","1") = "9"
    & skf18("5","4","10","9","3","5","1") = "9"
    & skf18("5","4","10","9","3","6","1") = "9"
    & skf18("5","4","10","9","3","7","1") = "9"
    & skf18("5","4","10","9","3","8","1") = "9"
    & skf18("5","4","10","9","3","9","1") = "9"
    & skf18("5","4","10","9","3","10","1") = "9"
    & skf18("5","4","10","9","4","1","1") = "9"
    & skf18("5","4","10","9","4","2","1") = "9"
    & skf18("5","4","10","9","4","3","1") = "9"
    & skf18("5","4","10","9","4","4","1") = "9"
    & skf18("5","4","10","9","4","5","1") = "9"
    & skf18("5","4","10","9","4","6","1") = "9"
    & skf18("5","4","10","9","4","7","1") = "9"
    & skf18("5","4","10","9","4","8","1") = "9"
    & skf18("5","4","10","9","4","9","1") = "9"
    & skf18("5","4","10","9","4","10","1") = "9"
    & skf18("5","4","10","9","5","1","1") = "9"
    & skf18("5","4","10","9","5","2","1") = "9"
    & skf18("5","4","10","9","5","3","1") = "9"
    & skf18("5","4","10","9","5","4","1") = "9"
    & skf18("5","4","10","9","5","5","1") = "9"
    & skf18("5","4","10","9","5","6","1") = "9"
    & skf18("5","4","10","9","5","7","1") = "9"
    & skf18("5","4","10","9","5","8","1") = "9"
    & skf18("5","4","10","9","5","9","1") = "9"
    & skf18("5","4","10","9","5","10","1") = "9"
    & skf18("5","4","10","9","6","1","1") = "9"
    & skf18("5","4","10","9","6","2","1") = "9"
    & skf18("5","4","10","9","6","3","1") = "9"
    & skf18("5","4","10","9","6","4","1") = "9"
    & skf18("5","4","10","9","6","5","1") = "9"
    & skf18("5","4","10","9","6","6","1") = "9"
    & skf18("5","4","10","9","6","7","1") = "9"
    & skf18("5","4","10","9","6","8","1") = "9"
    & skf18("5","4","10","9","6","9","1") = "9"
    & skf18("5","4","10","9","6","10","1") = "9"
    & skf18("5","4","10","9","7","1","1") = "9"
    & skf18("5","4","10","9","7","2","1") = "9"
    & skf18("5","4","10","9","7","3","1") = "9"
    & skf18("5","4","10","9","7","4","1") = "9"
    & skf18("5","4","10","9","7","5","1") = "9"
    & skf18("5","4","10","9","7","6","1") = "9"
    & skf18("5","4","10","9","7","7","1") = "9"
    & skf18("5","4","10","9","7","8","1") = "9"
    & skf18("5","4","10","9","7","9","1") = "9"
    & skf18("5","4","10","9","7","10","1") = "9"
    & skf18("5","4","10","9","8","1","1") = "9"
    & skf18("5","4","10","9","8","2","1") = "9"
    & skf18("5","4","10","9","8","3","1") = "9"
    & skf18("5","4","10","9","8","4","1") = "9"
    & skf18("5","4","10","9","8","5","1") = "9"
    & skf18("5","4","10","9","8","6","1") = "9"
    & skf18("5","4","10","9","8","7","1") = "9"
    & skf18("5","4","10","9","8","8","1") = "9"
    & skf18("5","4","10","9","8","9","1") = "9"
    & skf18("5","4","10","9","8","10","1") = "9"
    & skf18("5","4","10","9","9","1","1") = "9"
    & skf18("5","4","10","9","9","2","1") = "9"
    & skf18("5","4","10","9","9","3","1") = "9"
    & skf18("5","4","10","9","9","4","1") = "9"
    & skf18("5","4","10","9","9","5","1") = "9"
    & skf18("5","4","10","9","9","6","1") = "9"
    & skf18("5","4","10","9","9","7","1") = "9"
    & skf18("5","4","10","9","9","8","1") = "9"
    & skf18("5","4","10","9","9","9","1") = "9"
    & skf18("5","4","10","9","9","10","1") = "9"
    & skf18("5","4","10","9","10","1","1") = "9"
    & skf18("5","4","10","9","10","2","1") = "9"
    & skf18("5","4","10","9","10","3","1") = "9"
    & skf18("5","4","10","9","10","4","1") = "9"
    & skf18("5","4","10","9","10","5","1") = "9"
    & skf18("5","4","10","9","10","6","1") = "9"
    & skf18("5","4","10","9","10","7","1") = "9"
    & skf18("5","4","10","9","10","8","1") = "9"
    & skf18("5","4","10","9","10","9","1") = "9"
    & skf18("5","4","10","9","10","10","1") = "9"
    & skf18("5","4","10","10","1","1","1") = "9"
    & skf18("5","4","10","10","1","2","1") = "9"
    & skf18("5","4","10","10","1","3","1") = "9"
    & skf18("5","4","10","10","1","4","1") = "9"
    & skf18("5","4","10","10","1","5","1") = "9"
    & skf18("5","4","10","10","1","6","1") = "9"
    & skf18("5","4","10","10","1","7","1") = "9"
    & skf18("5","4","10","10","1","8","1") = "9"
    & skf18("5","4","10","10","1","9","1") = "9"
    & skf18("5","4","10","10","1","10","1") = "9"
    & skf18("5","4","10","10","2","1","1") = "9"
    & skf18("5","4","10","10","2","2","1") = "9"
    & skf18("5","4","10","10","2","3","1") = "9"
    & skf18("5","4","10","10","2","4","1") = "9"
    & skf18("5","4","10","10","2","5","1") = "9"
    & skf18("5","4","10","10","2","6","1") = "9"
    & skf18("5","4","10","10","2","7","1") = "9"
    & skf18("5","4","10","10","2","8","1") = "9"
    & skf18("5","4","10","10","2","9","1") = "9"
    & skf18("5","4","10","10","2","10","1") = "9"
    & skf18("5","4","10","10","3","1","1") = "9"
    & skf18("5","4","10","10","3","2","1") = "9"
    & skf18("5","4","10","10","3","3","1") = "9"
    & skf18("5","4","10","10","3","4","1") = "9"
    & skf18("5","4","10","10","3","5","1") = "9"
    & skf18("5","4","10","10","3","6","1") = "9"
    & skf18("5","4","10","10","3","7","1") = "9"
    & skf18("5","4","10","10","3","8","1") = "9"
    & skf18("5","4","10","10","3","9","1") = "9"
    & skf18("5","4","10","10","3","10","1") = "9"
    & skf18("5","4","10","10","4","1","1") = "9"
    & skf18("5","4","10","10","4","2","1") = "9"
    & skf18("5","4","10","10","4","3","1") = "9"
    & skf18("5","4","10","10","4","4","1") = "9"
    & skf18("5","4","10","10","4","5","1") = "9"
    & skf18("5","4","10","10","4","6","1") = "9"
    & skf18("5","4","10","10","4","7","1") = "9"
    & skf18("5","4","10","10","4","8","1") = "9"
    & skf18("5","4","10","10","4","9","1") = "9"
    & skf18("5","4","10","10","4","10","1") = "9"
    & skf18("5","4","10","10","5","1","1") = "9"
    & skf18("5","4","10","10","5","2","1") = "9"
    & skf18("5","4","10","10","5","3","1") = "9"
    & skf18("5","4","10","10","5","4","1") = "9"
    & skf18("5","4","10","10","5","5","1") = "9"
    & skf18("5","4","10","10","5","6","1") = "9"
    & skf18("5","4","10","10","5","7","1") = "9"
    & skf18("5","4","10","10","5","8","1") = "9"
    & skf18("5","4","10","10","5","9","1") = "9"
    & skf18("5","4","10","10","5","10","1") = "9"
    & skf18("5","4","10","10","6","1","1") = "9"
    & skf18("5","4","10","10","6","2","1") = "9"
    & skf18("5","4","10","10","6","3","1") = "9"
    & skf18("5","4","10","10","6","4","1") = "9"
    & skf18("5","4","10","10","6","5","1") = "9"
    & skf18("5","4","10","10","6","6","1") = "9"
    & skf18("5","4","10","10","6","7","1") = "9"
    & skf18("5","4","10","10","6","8","1") = "9"
    & skf18("5","4","10","10","6","9","1") = "9"
    & skf18("5","4","10","10","6","10","1") = "9"
    & skf18("5","4","10","10","7","1","1") = "9"
    & skf18("5","4","10","10","7","2","1") = "9"
    & skf18("5","4","10","10","7","3","1") = "9"
    & skf18("5","4","10","10","7","4","1") = "9"
    & skf18("5","4","10","10","7","5","1") = "9"
    & skf18("5","4","10","10","7","6","1") = "9"
    & skf18("5","4","10","10","7","7","1") = "9"
    & skf18("5","4","10","10","7","8","1") = "9"
    & skf18("5","4","10","10","7","9","1") = "9"
    & skf18("5","4","10","10","7","10","1") = "9"
    & skf18("5","4","10","10","8","1","1") = "9"
    & skf18("5","4","10","10","8","2","1") = "9"
    & skf18("5","4","10","10","8","3","1") = "9"
    & skf18("5","4","10","10","8","4","1") = "9"
    & skf18("5","4","10","10","8","5","1") = "9"
    & skf18("5","4","10","10","8","6","1") = "9"
    & skf18("5","4","10","10","8","7","1") = "9"
    & skf18("5","4","10","10","8","8","1") = "9"
    & skf18("5","4","10","10","8","9","1") = "9"
    & skf18("5","4","10","10","8","10","1") = "9"
    & skf18("5","4","10","10","9","1","1") = "9"
    & skf18("5","4","10","10","9","2","1") = "9"
    & skf18("5","4","10","10","9","3","1") = "9"
    & skf18("5","4","10","10","9","4","1") = "9"
    & skf18("5","4","10","10","9","5","1") = "9"
    & skf18("5","4","10","10","9","6","1") = "9"
    & skf18("5","4","10","10","9","7","1") = "9"
    & skf18("5","4","10","10","9","8","1") = "9"
    & skf18("5","4","10","10","9","9","1") = "9"
    & skf18("5","4","10","10","9","10","1") = "9"
    & skf18("5","4","10","10","10","1","1") = "9"
    & skf18("5","4","10","10","10","2","1") = "9"
    & skf18("5","4","10","10","10","3","1") = "9"
    & skf18("5","4","10","10","10","4","1") = "9"
    & skf18("5","4","10","10","10","5","1") = "9"
    & skf18("5","4","10","10","10","6","1") = "9"
    & skf18("5","4","10","10","10","7","1") = "9"
    & skf18("5","4","10","10","10","8","1") = "9"
    & skf18("5","4","10","10","10","9","1") = "9"
    & skf18("5","4","10","10","10","10","1") = "9"
    & skf18("5","5","1","1","1","1","1") = "4"
    & skf18("5","5","1","1","1","2","1") = "4"
    & skf18("5","5","1","1","1","3","1") = "4"
    & skf18("5","5","1","1","1","4","1") = "4"
    & skf18("5","5","1","1","1","5","1") = "4"
    & skf18("5","5","1","1","1","6","1") = "5"
    & skf18("5","5","1","1","1","7","1") = "6"
    & skf18("5","5","1","1","1","8","1") = "7"
    & skf18("5","5","1","1","1","9","1") = "8"
    & skf18("5","5","1","1","1","10","1") = "9"
    & skf18("5","5","1","1","2","1","1") = "4"
    & skf18("5","5","1","1","2","2","1") = "4"
    & skf18("5","5","1","1","2","3","1") = "4"
    & skf18("5","5","1","1","2","4","1") = "4"
    & skf18("5","5","1","1","2","5","1") = "4"
    & skf18("5","5","1","1","2","6","1") = "5"
    & skf18("5","5","1","1","2","7","1") = "6"
    & skf18("5","5","1","1","2","8","1") = "7"
    & skf18("5","5","1","1","2","9","1") = "8"
    & skf18("5","5","1","1","2","10","1") = "9"
    & skf18("5","5","1","1","3","1","1") = "4"
    & skf18("5","5","1","1","3","2","1") = "4"
    & skf18("5","5","1","1","3","3","1") = "4"
    & skf18("5","5","1","1","3","4","1") = "4"
    & skf18("5","5","1","1","3","5","1") = "4"
    & skf18("5","5","1","1","3","6","1") = "5"
    & skf18("5","5","1","1","3","7","1") = "6"
    & skf18("5","5","1","1","3","8","1") = "7"
    & skf18("5","5","1","1","3","9","1") = "8"
    & skf18("5","5","1","1","3","10","1") = "9"
    & skf18("5","5","1","1","4","1","1") = "4"
    & skf18("5","5","1","1","4","2","1") = "4"
    & skf18("5","5","1","1","4","3","1") = "4"
    & skf18("5","5","1","1","4","4","1") = "4"
    & skf18("5","5","1","1","4","5","1") = "4"
    & skf18("5","5","1","1","4","6","1") = "5"
    & skf18("5","5","1","1","4","7","1") = "6"
    & skf18("5","5","1","1","4","8","1") = "7"
    & skf18("5","5","1","1","4","9","1") = "8"
    & skf18("5","5","1","1","4","10","1") = "9"
    & skf18("5","5","1","1","5","1","1") = "4"
    & skf18("5","5","1","1","5","2","1") = "4"
    & skf18("5","5","1","1","5","3","1") = "4"
    & skf18("5","5","1","1","5","4","1") = "4"
    & skf18("5","5","1","1","5","5","1") = "4"
    & skf18("5","5","1","1","5","6","1") = "5"
    & skf18("5","5","1","1","5","7","1") = "6"
    & skf18("5","5","1","1","5","8","1") = "7"
    & skf18("5","5","1","1","5","9","1") = "8"
    & skf18("5","5","1","1","5","10","1") = "9"
    & skf18("5","5","1","1","6","1","1") = "5"
    & skf18("5","5","1","1","6","2","1") = "5"
    & skf18("5","5","1","1","6","3","1") = "5"
    & skf18("5","5","1","1","6","4","1") = "5"
    & skf18("5","5","1","1","6","5","1") = "5"
    & skf18("5","5","1","1","6","6","1") = "5"
    & skf18("5","5","1","1","6","7","1") = "6"
    & skf18("5","5","1","1","6","8","1") = "7"
    & skf18("5","5","1","1","6","9","1") = "8"
    & skf18("5","5","1","1","6","10","1") = "9"
    & skf18("5","5","1","1","7","1","1") = "6"
    & skf18("5","5","1","1","7","2","1") = "6"
    & skf18("5","5","1","1","7","3","1") = "6"
    & skf18("5","5","1","1","7","4","1") = "6"
    & skf18("5","5","1","1","7","5","1") = "6"
    & skf18("5","5","1","1","7","6","1") = "6"
    & skf18("5","5","1","1","7","7","1") = "6"
    & skf18("5","5","1","1","7","8","1") = "7"
    & skf18("5","5","1","1","7","9","1") = "8"
    & skf18("5","5","1","1","7","10","1") = "9"
    & skf18("5","5","1","1","8","1","1") = "7"
    & skf18("5","5","1","1","8","2","1") = "7"
    & skf18("5","5","1","1","8","3","1") = "7"
    & skf18("5","5","1","1","8","4","1") = "7"
    & skf18("5","5","1","1","8","5","1") = "7"
    & skf18("5","5","1","1","8","6","1") = "7"
    & skf18("5","5","1","1","8","7","1") = "7"
    & skf18("5","5","1","1","8","8","1") = "7"
    & skf18("5","5","1","1","8","9","1") = "8"
    & skf18("5","5","1","1","8","10","1") = "9"
    & skf18("5","5","1","1","9","1","1") = "8"
    & skf18("5","5","1","1","9","2","1") = "8"
    & skf18("5","5","1","1","9","3","1") = "8"
    & skf18("5","5","1","1","9","4","1") = "8"
    & skf18("5","5","1","1","9","5","1") = "8"
    & skf18("5","5","1","1","9","6","1") = "8"
    & skf18("5","5","1","1","9","7","1") = "8"
    & skf18("5","5","1","1","9","8","1") = "8"
    & skf18("5","5","1","1","9","9","1") = "8"
    & skf18("5","5","1","1","9","10","1") = "9"
    & skf18("5","5","1","1","10","1","1") = "9"
    & skf18("5","5","1","1","10","2","1") = "9"
    & skf18("5","5","1","1","10","3","1") = "9"
    & skf18("5","5","1","1","10","4","1") = "9"
    & skf18("5","5","1","1","10","5","1") = "9"
    & skf18("5","5","1","1","10","6","1") = "9"
    & skf18("5","5","1","1","10","7","1") = "9"
    & skf18("5","5","1","1","10","8","1") = "9"
    & skf18("5","5","1","1","10","9","1") = "9"
    & skf18("5","5","1","1","10","10","1") = "9"
    & skf18("5","5","1","2","1","1","1") = "4"
    & skf18("5","5","1","2","1","2","1") = "4"
    & skf18("5","5","1","2","1","3","1") = "4"
    & skf18("5","5","1","2","1","4","1") = "4"
    & skf18("5","5","1","2","1","5","1") = "4"
    & skf18("5","5","1","2","1","6","1") = "5"
    & skf18("5","5","1","2","1","7","1") = "6"
    & skf18("5","5","1","2","1","8","1") = "7"
    & skf18("5","5","1","2","1","9","1") = "8"
    & skf18("5","5","1","2","1","10","1") = "9"
    & skf18("5","5","1","2","2","1","1") = "4"
    & skf18("5","5","1","2","2","2","1") = "4"
    & skf18("5","5","1","2","2","3","1") = "4"
    & skf18("5","5","1","2","2","4","1") = "4"
    & skf18("5","5","1","2","2","5","1") = "4"
    & skf18("5","5","1","2","2","6","1") = "5"
    & skf18("5","5","1","2","2","7","1") = "6"
    & skf18("5","5","1","2","2","8","1") = "7"
    & skf18("5","5","1","2","2","9","1") = "8"
    & skf18("5","5","1","2","2","10","1") = "9"
    & skf18("5","5","1","2","3","1","1") = "4"
    & skf18("5","5","1","2","3","2","1") = "4"
    & skf18("5","5","1","2","3","3","1") = "4"
    & skf18("5","5","1","2","3","4","1") = "4"
    & skf18("5","5","1","2","3","5","1") = "4"
    & skf18("5","5","1","2","3","6","1") = "5"
    & skf18("5","5","1","2","3","7","1") = "6"
    & skf18("5","5","1","2","3","8","1") = "7"
    & skf18("5","5","1","2","3","9","1") = "8"
    & skf18("5","5","1","2","3","10","1") = "9"
    & skf18("5","5","1","2","4","1","1") = "4"
    & skf18("5","5","1","2","4","2","1") = "4"
    & skf18("5","5","1","2","4","3","1") = "4"
    & skf18("5","5","1","2","4","4","1") = "4"
    & skf18("5","5","1","2","4","5","1") = "4"
    & skf18("5","5","1","2","4","6","1") = "5"
    & skf18("5","5","1","2","4","7","1") = "6"
    & skf18("5","5","1","2","4","8","1") = "7"
    & skf18("5","5","1","2","4","9","1") = "8"
    & skf18("5","5","1","2","4","10","1") = "9"
    & skf18("5","5","1","2","5","1","1") = "4"
    & skf18("5","5","1","2","5","2","1") = "4"
    & skf18("5","5","1","2","5","3","1") = "4"
    & skf18("5","5","1","2","5","4","1") = "4"
    & skf18("5","5","1","2","5","5","1") = "4"
    & skf18("5","5","1","2","5","6","1") = "5"
    & skf18("5","5","1","2","5","7","1") = "6"
    & skf18("5","5","1","2","5","8","1") = "7"
    & skf18("5","5","1","2","5","9","1") = "8"
    & skf18("5","5","1","2","5","10","1") = "9"
    & skf18("5","5","1","2","6","1","1") = "5"
    & skf18("5","5","1","2","6","2","1") = "5"
    & skf18("5","5","1","2","6","3","1") = "5"
    & skf18("5","5","1","2","6","4","1") = "5"
    & skf18("5","5","1","2","6","5","1") = "5"
    & skf18("5","5","1","2","6","6","1") = "5"
    & skf18("5","5","1","2","6","7","1") = "6"
    & skf18("5","5","1","2","6","8","1") = "7"
    & skf18("5","5","1","2","6","9","1") = "8"
    & skf18("5","5","1","2","6","10","1") = "9"
    & skf18("5","5","1","2","7","1","1") = "6"
    & skf18("5","5","1","2","7","2","1") = "6"
    & skf18("5","5","1","2","7","3","1") = "6"
    & skf18("5","5","1","2","7","4","1") = "6"
    & skf18("5","5","1","2","7","5","1") = "6"
    & skf18("5","5","1","2","7","6","1") = "6"
    & skf18("5","5","1","2","7","7","1") = "6"
    & skf18("5","5","1","2","7","8","1") = "7"
    & skf18("5","5","1","2","7","9","1") = "8"
    & skf18("5","5","1","2","7","10","1") = "9"
    & skf18("5","5","1","2","8","1","1") = "7"
    & skf18("5","5","1","2","8","2","1") = "7"
    & skf18("5","5","1","2","8","3","1") = "7"
    & skf18("5","5","1","2","8","4","1") = "7"
    & skf18("5","5","1","2","8","5","1") = "7"
    & skf18("5","5","1","2","8","6","1") = "7"
    & skf18("5","5","1","2","8","7","1") = "7"
    & skf18("5","5","1","2","8","8","1") = "7"
    & skf18("5","5","1","2","8","9","1") = "8"
    & skf18("5","5","1","2","8","10","1") = "9"
    & skf18("5","5","1","2","9","1","1") = "8"
    & skf18("5","5","1","2","9","2","1") = "8"
    & skf18("5","5","1","2","9","3","1") = "8"
    & skf18("5","5","1","2","9","4","1") = "8"
    & skf18("5","5","1","2","9","5","1") = "8"
    & skf18("5","5","1","2","9","6","1") = "8"
    & skf18("5","5","1","2","9","7","1") = "8"
    & skf18("5","5","1","2","9","8","1") = "8"
    & skf18("5","5","1","2","9","9","1") = "8"
    & skf18("5","5","1","2","9","10","1") = "9"
    & skf18("5","5","1","2","10","1","1") = "9"
    & skf18("5","5","1","2","10","2","1") = "9"
    & skf18("5","5","1","2","10","3","1") = "9"
    & skf18("5","5","1","2","10","4","1") = "9"
    & skf18("5","5","1","2","10","5","1") = "9"
    & skf18("5","5","1","2","10","6","1") = "9"
    & skf18("5","5","1","2","10","7","1") = "9"
    & skf18("5","5","1","2","10","8","1") = "9"
    & skf18("5","5","1","2","10","9","1") = "9"
    & skf18("5","5","1","2","10","10","1") = "9"
    & skf18("5","5","1","3","1","1","1") = "4"
    & skf18("5","5","1","3","1","2","1") = "4"
    & skf18("5","5","1","3","1","3","1") = "4"
    & skf18("5","5","1","3","1","4","1") = "4"
    & skf18("5","5","1","3","1","5","1") = "4"
    & skf18("5","5","1","3","1","6","1") = "5"
    & skf18("5","5","1","3","1","7","1") = "6"
    & skf18("5","5","1","3","1","8","1") = "7"
    & skf18("5","5","1","3","1","9","1") = "8"
    & skf18("5","5","1","3","1","10","1") = "9"
    & skf18("5","5","1","3","2","1","1") = "4"
    & skf18("5","5","1","3","2","2","1") = "4"
    & skf18("5","5","1","3","2","3","1") = "4"
    & skf18("5","5","1","3","2","4","1") = "4"
    & skf18("5","5","1","3","2","5","1") = "4"
    & skf18("5","5","1","3","2","6","1") = "5"
    & skf18("5","5","1","3","2","7","1") = "6"
    & skf18("5","5","1","3","2","8","1") = "7"
    & skf18("5","5","1","3","2","9","1") = "8"
    & skf18("5","5","1","3","2","10","1") = "9"
    & skf18("5","5","1","3","3","1","1") = "4"
    & skf18("5","5","1","3","3","2","1") = "4"
    & skf18("5","5","1","3","3","3","1") = "4"
    & skf18("5","5","1","3","3","4","1") = "4"
    & skf18("5","5","1","3","3","5","1") = "4"
    & skf18("5","5","1","3","3","6","1") = "5"
    & skf18("5","5","1","3","3","7","1") = "6"
    & skf18("5","5","1","3","3","8","1") = "7"
    & skf18("5","5","1","3","3","9","1") = "8"
    & skf18("5","5","1","3","3","10","1") = "9"
    & skf18("5","5","1","3","4","1","1") = "4"
    & skf18("5","5","1","3","4","2","1") = "4"
    & skf18("5","5","1","3","4","3","1") = "4"
    & skf18("5","5","1","3","4","4","1") = "4"
    & skf18("5","5","1","3","4","5","1") = "4"
    & skf18("5","5","1","3","4","6","1") = "5"
    & skf18("5","5","1","3","4","7","1") = "6"
    & skf18("5","5","1","3","4","8","1") = "7"
    & skf18("5","5","1","3","4","9","1") = "8"
    & skf18("5","5","1","3","4","10","1") = "9"
    & skf18("5","5","1","3","5","1","1") = "4"
    & skf18("5","5","1","3","5","2","1") = "4"
    & skf18("5","5","1","3","5","3","1") = "4"
    & skf18("5","5","1","3","5","4","1") = "4"
    & skf18("5","5","1","3","5","5","1") = "4"
    & skf18("5","5","1","3","5","6","1") = "5"
    & skf18("5","5","1","3","5","7","1") = "6"
    & skf18("5","5","1","3","5","8","1") = "7"
    & skf18("5","5","1","3","5","9","1") = "8"
    & skf18("5","5","1","3","5","10","1") = "9"
    & skf18("5","5","1","3","6","1","1") = "5"
    & skf18("5","5","1","3","6","2","1") = "5"
    & skf18("5","5","1","3","6","3","1") = "5"
    & skf18("5","5","1","3","6","4","1") = "5"
    & skf18("5","5","1","3","6","5","1") = "5"
    & skf18("5","5","1","3","6","6","1") = "5"
    & skf18("5","5","1","3","6","7","1") = "6"
    & skf18("5","5","1","3","6","8","1") = "7"
    & skf18("5","5","1","3","6","9","1") = "8"
    & skf18("5","5","1","3","6","10","1") = "9"
    & skf18("5","5","1","3","7","1","1") = "6"
    & skf18("5","5","1","3","7","2","1") = "6"
    & skf18("5","5","1","3","7","3","1") = "6"
    & skf18("5","5","1","3","7","4","1") = "6"
    & skf18("5","5","1","3","7","5","1") = "6"
    & skf18("5","5","1","3","7","6","1") = "6"
    & skf18("5","5","1","3","7","7","1") = "6"
    & skf18("5","5","1","3","7","8","1") = "7"
    & skf18("5","5","1","3","7","9","1") = "8"
    & skf18("5","5","1","3","7","10","1") = "9"
    & skf18("5","5","1","3","8","1","1") = "7"
    & skf18("5","5","1","3","8","2","1") = "7"
    & skf18("5","5","1","3","8","3","1") = "7"
    & skf18("5","5","1","3","8","4","1") = "7"
    & skf18("5","5","1","3","8","5","1") = "7"
    & skf18("5","5","1","3","8","6","1") = "7"
    & skf18("5","5","1","3","8","7","1") = "7"
    & skf18("5","5","1","3","8","8","1") = "7"
    & skf18("5","5","1","3","8","9","1") = "8"
    & skf18("5","5","1","3","8","10","1") = "9"
    & skf18("5","5","1","3","9","1","1") = "8"
    & skf18("5","5","1","3","9","2","1") = "8"
    & skf18("5","5","1","3","9","3","1") = "8"
    & skf18("5","5","1","3","9","4","1") = "8"
    & skf18("5","5","1","3","9","5","1") = "8"
    & skf18("5","5","1","3","9","6","1") = "8"
    & skf18("5","5","1","3","9","7","1") = "8"
    & skf18("5","5","1","3","9","8","1") = "8"
    & skf18("5","5","1","3","9","9","1") = "8"
    & skf18("5","5","1","3","9","10","1") = "9"
    & skf18("5","5","1","3","10","1","1") = "9"
    & skf18("5","5","1","3","10","2","1") = "9"
    & skf18("5","5","1","3","10","3","1") = "9"
    & skf18("5","5","1","3","10","4","1") = "9"
    & skf18("5","5","1","3","10","5","1") = "9"
    & skf18("5","5","1","3","10","6","1") = "9"
    & skf18("5","5","1","3","10","7","1") = "9"
    & skf18("5","5","1","3","10","8","1") = "9"
    & skf18("5","5","1","3","10","9","1") = "9"
    & skf18("5","5","1","3","10","10","1") = "9"
    & skf18("5","5","1","4","1","1","1") = "4"
    & skf18("5","5","1","4","1","2","1") = "4"
    & skf18("5","5","1","4","1","3","1") = "4"
    & skf18("5","5","1","4","1","4","1") = "4"
    & skf18("5","5","1","4","1","5","1") = "4"
    & skf18("5","5","1","4","1","6","1") = "5"
    & skf18("5","5","1","4","1","7","1") = "6"
    & skf18("5","5","1","4","1","8","1") = "7"
    & skf18("5","5","1","4","1","9","1") = "8"
    & skf18("5","5","1","4","1","10","1") = "9"
    & skf18("5","5","1","4","2","1","1") = "4"
    & skf18("5","5","1","4","2","2","1") = "4"
    & skf18("5","5","1","4","2","3","1") = "4"
    & skf18("5","5","1","4","2","4","1") = "4"
    & skf18("5","5","1","4","2","5","1") = "4"
    & skf18("5","5","1","4","2","6","1") = "5"
    & skf18("5","5","1","4","2","7","1") = "6"
    & skf18("5","5","1","4","2","8","1") = "7"
    & skf18("5","5","1","4","2","9","1") = "8"
    & skf18("5","5","1","4","2","10","1") = "9"
    & skf18("5","5","1","4","3","1","1") = "4"
    & skf18("5","5","1","4","3","2","1") = "4"
    & skf18("5","5","1","4","3","3","1") = "4"
    & skf18("5","5","1","4","3","4","1") = "4"
    & skf18("5","5","1","4","3","5","1") = "4"
    & skf18("5","5","1","4","3","6","1") = "5"
    & skf18("5","5","1","4","3","7","1") = "6"
    & skf18("5","5","1","4","3","8","1") = "7"
    & skf18("5","5","1","4","3","9","1") = "8"
    & skf18("5","5","1","4","3","10","1") = "9"
    & skf18("5","5","1","4","4","1","1") = "4"
    & skf18("5","5","1","4","4","2","1") = "4"
    & skf18("5","5","1","4","4","3","1") = "4"
    & skf18("5","5","1","4","4","4","1") = "4"
    & skf18("5","5","1","4","4","5","1") = "4"
    & skf18("5","5","1","4","4","6","1") = "5"
    & skf18("5","5","1","4","4","7","1") = "6"
    & skf18("5","5","1","4","4","8","1") = "7"
    & skf18("5","5","1","4","4","9","1") = "8"
    & skf18("5","5","1","4","4","10","1") = "9"
    & skf18("5","5","1","4","5","1","1") = "4"
    & skf18("5","5","1","4","5","2","1") = "4"
    & skf18("5","5","1","4","5","3","1") = "4"
    & skf18("5","5","1","4","5","4","1") = "4"
    & skf18("5","5","1","4","5","5","1") = "4"
    & skf18("5","5","1","4","5","6","1") = "5"
    & skf18("5","5","1","4","5","7","1") = "6"
    & skf18("5","5","1","4","5","8","1") = "7"
    & skf18("5","5","1","4","5","9","1") = "8"
    & skf18("5","5","1","4","5","10","1") = "9"
    & skf18("5","5","1","4","6","1","1") = "5"
    & skf18("5","5","1","4","6","2","1") = "5"
    & skf18("5","5","1","4","6","3","1") = "5"
    & skf18("5","5","1","4","6","4","1") = "5"
    & skf18("5","5","1","4","6","5","1") = "5"
    & skf18("5","5","1","4","6","6","1") = "5"
    & skf18("5","5","1","4","6","7","1") = "6"
    & skf18("5","5","1","4","6","8","1") = "7"
    & skf18("5","5","1","4","6","9","1") = "8"
    & skf18("5","5","1","4","6","10","1") = "9"
    & skf18("5","5","1","4","7","1","1") = "6"
    & skf18("5","5","1","4","7","2","1") = "6"
    & skf18("5","5","1","4","7","3","1") = "6"
    & skf18("5","5","1","4","7","4","1") = "6"
    & skf18("5","5","1","4","7","5","1") = "6"
    & skf18("5","5","1","4","7","6","1") = "6"
    & skf18("5","5","1","4","7","7","1") = "6"
    & skf18("5","5","1","4","7","8","1") = "7"
    & skf18("5","5","1","4","7","9","1") = "8"
    & skf18("5","5","1","4","7","10","1") = "9"
    & skf18("5","5","1","4","8","1","1") = "7"
    & skf18("5","5","1","4","8","2","1") = "7"
    & skf18("5","5","1","4","8","3","1") = "7"
    & skf18("5","5","1","4","8","4","1") = "7"
    & skf18("5","5","1","4","8","5","1") = "7"
    & skf18("5","5","1","4","8","6","1") = "7"
    & skf18("5","5","1","4","8","7","1") = "7"
    & skf18("5","5","1","4","8","8","1") = "7"
    & skf18("5","5","1","4","8","9","1") = "8"
    & skf18("5","5","1","4","8","10","1") = "9"
    & skf18("5","5","1","4","9","1","1") = "8"
    & skf18("5","5","1","4","9","2","1") = "8"
    & skf18("5","5","1","4","9","3","1") = "8"
    & skf18("5","5","1","4","9","4","1") = "8"
    & skf18("5","5","1","4","9","5","1") = "8"
    & skf18("5","5","1","4","9","6","1") = "8"
    & skf18("5","5","1","4","9","7","1") = "8"
    & skf18("5","5","1","4","9","8","1") = "8"
    & skf18("5","5","1","4","9","9","1") = "8"
    & skf18("5","5","1","4","9","10","1") = "9"
    & skf18("5","5","1","4","10","1","1") = "9"
    & skf18("5","5","1","4","10","2","1") = "9"
    & skf18("5","5","1","4","10","3","1") = "9"
    & skf18("5","5","1","4","10","4","1") = "9"
    & skf18("5","5","1","4","10","5","1") = "9"
    & skf18("5","5","1","4","10","6","1") = "9"
    & skf18("5","5","1","4","10","7","1") = "9"
    & skf18("5","5","1","4","10","8","1") = "9"
    & skf18("5","5","1","4","10","9","1") = "9"
    & skf18("5","5","1","4","10","10","1") = "9"
    & skf18("5","5","1","5","1","1","1") = "4"
    & skf18("5","5","1","5","1","2","1") = "4"
    & skf18("5","5","1","5","1","3","1") = "4"
    & skf18("5","5","1","5","1","4","1") = "4"
    & skf18("5","5","1","5","1","5","1") = "4"
    & skf18("5","5","1","5","1","6","1") = "5"
    & skf18("5","5","1","5","1","7","1") = "6"
    & skf18("5","5","1","5","1","8","1") = "7"
    & skf18("5","5","1","5","1","9","1") = "8"
    & skf18("5","5","1","5","1","10","1") = "9"
    & skf18("5","5","1","5","2","1","1") = "4"
    & skf18("5","5","1","5","2","2","1") = "4"
    & skf18("5","5","1","5","2","3","1") = "4"
    & skf18("5","5","1","5","2","4","1") = "4"
    & skf18("5","5","1","5","2","5","1") = "4"
    & skf18("5","5","1","5","2","6","1") = "5"
    & skf18("5","5","1","5","2","7","1") = "6"
    & skf18("5","5","1","5","2","8","1") = "7"
    & skf18("5","5","1","5","2","9","1") = "8"
    & skf18("5","5","1","5","2","10","1") = "9"
    & skf18("5","5","1","5","3","1","1") = "4"
    & skf18("5","5","1","5","3","2","1") = "4"
    & skf18("5","5","1","5","3","3","1") = "4"
    & skf18("5","5","1","5","3","4","1") = "4"
    & skf18("5","5","1","5","3","5","1") = "4"
    & skf18("5","5","1","5","3","6","1") = "5"
    & skf18("5","5","1","5","3","7","1") = "6"
    & skf18("5","5","1","5","3","8","1") = "7"
    & skf18("5","5","1","5","3","9","1") = "8"
    & skf18("5","5","1","5","3","10","1") = "9"
    & skf18("5","5","1","5","4","1","1") = "4"
    & skf18("5","5","1","5","4","2","1") = "4"
    & skf18("5","5","1","5","4","3","1") = "4"
    & skf18("5","5","1","5","4","4","1") = "4"
    & skf18("5","5","1","5","4","5","1") = "4"
    & skf18("5","5","1","5","4","6","1") = "5"
    & skf18("5","5","1","5","4","7","1") = "6"
    & skf18("5","5","1","5","4","8","1") = "7"
    & skf18("5","5","1","5","4","9","1") = "8"
    & skf18("5","5","1","5","4","10","1") = "9"
    & skf18("5","5","1","5","5","1","1") = "4"
    & skf18("5","5","1","5","5","2","1") = "4"
    & skf18("5","5","1","5","5","3","1") = "4"
    & skf18("5","5","1","5","5","4","1") = "4"
    & skf18("5","5","1","5","5","5","1") = "4"
    & skf18("5","5","1","5","5","6","1") = "5"
    & skf18("5","5","1","5","5","7","1") = "6"
    & skf18("5","5","1","5","5","8","1") = "7"
    & skf18("5","5","1","5","5","9","1") = "8"
    & skf18("5","5","1","5","5","10","1") = "9"
    & skf18("5","5","1","5","6","1","1") = "5"
    & skf18("5","5","1","5","6","2","1") = "5"
    & skf18("5","5","1","5","6","3","1") = "5"
    & skf18("5","5","1","5","6","4","1") = "5"
    & skf18("5","5","1","5","6","5","1") = "5"
    & skf18("5","5","1","5","6","6","1") = "5"
    & skf18("5","5","1","5","6","7","1") = "6"
    & skf18("5","5","1","5","6","8","1") = "7"
    & skf18("5","5","1","5","6","9","1") = "8"
    & skf18("5","5","1","5","6","10","1") = "9"
    & skf18("5","5","1","5","7","1","1") = "6"
    & skf18("5","5","1","5","7","2","1") = "6"
    & skf18("5","5","1","5","7","3","1") = "6"
    & skf18("5","5","1","5","7","4","1") = "6"
    & skf18("5","5","1","5","7","5","1") = "6"
    & skf18("5","5","1","5","7","6","1") = "6"
    & skf18("5","5","1","5","7","7","1") = "6"
    & skf18("5","5","1","5","7","8","1") = "7"
    & skf18("5","5","1","5","7","9","1") = "8"
    & skf18("5","5","1","5","7","10","1") = "9"
    & skf18("5","5","1","5","8","1","1") = "7"
    & skf18("5","5","1","5","8","2","1") = "7"
    & skf18("5","5","1","5","8","3","1") = "7"
    & skf18("5","5","1","5","8","4","1") = "7"
    & skf18("5","5","1","5","8","5","1") = "7"
    & skf18("5","5","1","5","8","6","1") = "7"
    & skf18("5","5","1","5","8","7","1") = "7"
    & skf18("5","5","1","5","8","8","1") = "7"
    & skf18("5","5","1","5","8","9","1") = "8"
    & skf18("5","5","1","5","8","10","1") = "9"
    & skf18("5","5","1","5","9","1","1") = "8"
    & skf18("5","5","1","5","9","2","1") = "8"
    & skf18("5","5","1","5","9","3","1") = "8"
    & skf18("5","5","1","5","9","4","1") = "8"
    & skf18("5","5","1","5","9","5","1") = "8"
    & skf18("5","5","1","5","9","6","1") = "8"
    & skf18("5","5","1","5","9","7","1") = "8"
    & skf18("5","5","1","5","9","8","1") = "8"
    & skf18("5","5","1","5","9","9","1") = "8"
    & skf18("5","5","1","5","9","10","1") = "9"
    & skf18("5","5","1","5","10","1","1") = "9"
    & skf18("5","5","1","5","10","2","1") = "9"
    & skf18("5","5","1","5","10","3","1") = "9"
    & skf18("5","5","1","5","10","4","1") = "9"
    & skf18("5","5","1","5","10","5","1") = "9"
    & skf18("5","5","1","5","10","6","1") = "9"
    & skf18("5","5","1","5","10","7","1") = "9"
    & skf18("5","5","1","5","10","8","1") = "9"
    & skf18("5","5","1","5","10","9","1") = "9"
    & skf18("5","5","1","5","10","10","1") = "9"
    & skf18("5","5","1","6","1","1","1") = "5"
    & skf18("5","5","1","6","1","2","1") = "5"
    & skf18("5","5","1","6","1","3","1") = "5"
    & skf18("5","5","1","6","1","4","1") = "5"
    & skf18("5","5","1","6","1","5","1") = "5"
    & skf18("5","5","1","6","1","6","1") = "5"
    & skf18("5","5","1","6","1","7","1") = "6"
    & skf18("5","5","1","6","1","8","1") = "7"
    & skf18("5","5","1","6","1","9","1") = "8"
    & skf18("5","5","1","6","1","10","1") = "9"
    & skf18("5","5","1","6","2","1","1") = "5"
    & skf18("5","5","1","6","2","2","1") = "5"
    & skf18("5","5","1","6","2","3","1") = "5"
    & skf18("5","5","1","6","2","4","1") = "5"
    & skf18("5","5","1","6","2","5","1") = "5"
    & skf18("5","5","1","6","2","6","1") = "5"
    & skf18("5","5","1","6","2","7","1") = "6"
    & skf18("5","5","1","6","2","8","1") = "7"
    & skf18("5","5","1","6","2","9","1") = "8"
    & skf18("5","5","1","6","2","10","1") = "9"
    & skf18("5","5","1","6","3","1","1") = "5"
    & skf18("5","5","1","6","3","2","1") = "5"
    & skf18("5","5","1","6","3","3","1") = "5"
    & skf18("5","5","1","6","3","4","1") = "5"
    & skf18("5","5","1","6","3","5","1") = "5"
    & skf18("5","5","1","6","3","6","1") = "5"
    & skf18("5","5","1","6","3","7","1") = "6"
    & skf18("5","5","1","6","3","8","1") = "7"
    & skf18("5","5","1","6","3","9","1") = "8"
    & skf18("5","5","1","6","3","10","1") = "9"
    & skf18("5","5","1","6","4","1","1") = "5"
    & skf18("5","5","1","6","4","2","1") = "5"
    & skf18("5","5","1","6","4","3","1") = "5"
    & skf18("5","5","1","6","4","4","1") = "5"
    & skf18("5","5","1","6","4","5","1") = "5"
    & skf18("5","5","1","6","4","6","1") = "5"
    & skf18("5","5","1","6","4","7","1") = "6"
    & skf18("5","5","1","6","4","8","1") = "7"
    & skf18("5","5","1","6","4","9","1") = "8"
    & skf18("5","5","1","6","4","10","1") = "9"
    & skf18("5","5","1","6","5","1","1") = "5"
    & skf18("5","5","1","6","5","2","1") = "5"
    & skf18("5","5","1","6","5","3","1") = "5"
    & skf18("5","5","1","6","5","4","1") = "5"
    & skf18("5","5","1","6","5","5","1") = "5"
    & skf18("5","5","1","6","5","6","1") = "5"
    & skf18("5","5","1","6","5","7","1") = "6"
    & skf18("5","5","1","6","5","8","1") = "7"
    & skf18("5","5","1","6","5","9","1") = "8"
    & skf18("5","5","1","6","5","10","1") = "9"
    & skf18("5","5","1","6","6","1","1") = "5"
    & skf18("5","5","1","6","6","2","1") = "5"
    & skf18("5","5","1","6","6","3","1") = "5"
    & skf18("5","5","1","6","6","4","1") = "5"
    & skf18("5","5","1","6","6","5","1") = "5"
    & skf18("5","5","1","6","6","6","1") = "5"
    & skf18("5","5","1","6","6","7","1") = "6"
    & skf18("5","5","1","6","6","8","1") = "7"
    & skf18("5","5","1","6","6","9","1") = "8"
    & skf18("5","5","1","6","6","10","1") = "9"
    & skf18("5","5","1","6","7","1","1") = "6"
    & skf18("5","5","1","6","7","2","1") = "6"
    & skf18("5","5","1","6","7","3","1") = "6"
    & skf18("5","5","1","6","7","4","1") = "6"
    & skf18("5","5","1","6","7","5","1") = "6"
    & skf18("5","5","1","6","7","6","1") = "6"
    & skf18("5","5","1","6","7","7","1") = "6"
    & skf18("5","5","1","6","7","8","1") = "7"
    & skf18("5","5","1","6","7","9","1") = "8"
    & skf18("5","5","1","6","7","10","1") = "9"
    & skf18("5","5","1","6","8","1","1") = "7"
    & skf18("5","5","1","6","8","2","1") = "7"
    & skf18("5","5","1","6","8","3","1") = "7"
    & skf18("5","5","1","6","8","4","1") = "7"
    & skf18("5","5","1","6","8","5","1") = "7"
    & skf18("5","5","1","6","8","6","1") = "7"
    & skf18("5","5","1","6","8","7","1") = "7"
    & skf18("5","5","1","6","8","8","1") = "7"
    & skf18("5","5","1","6","8","9","1") = "8"
    & skf18("5","5","1","6","8","10","1") = "9"
    & skf18("5","5","1","6","9","1","1") = "8"
    & skf18("5","5","1","6","9","2","1") = "8"
    & skf18("5","5","1","6","9","3","1") = "8"
    & skf18("5","5","1","6","9","4","1") = "8"
    & skf18("5","5","1","6","9","5","1") = "8"
    & skf18("5","5","1","6","9","6","1") = "8"
    & skf18("5","5","1","6","9","7","1") = "8"
    & skf18("5","5","1","6","9","8","1") = "8"
    & skf18("5","5","1","6","9","9","1") = "8"
    & skf18("5","5","1","6","9","10","1") = "9"
    & skf18("5","5","1","6","10","1","1") = "9"
    & skf18("5","5","1","6","10","2","1") = "9"
    & skf18("5","5","1","6","10","3","1") = "9"
    & skf18("5","5","1","6","10","4","1") = "9"
    & skf18("5","5","1","6","10","5","1") = "9"
    & skf18("5","5","1","6","10","6","1") = "9"
    & skf18("5","5","1","6","10","7","1") = "9"
    & skf18("5","5","1","6","10","8","1") = "9"
    & skf18("5","5","1","6","10","9","1") = "9"
    & skf18("5","5","1","6","10","10","1") = "9"
    & skf18("5","5","1","7","1","1","1") = "6"
    & skf18("5","5","1","7","1","2","1") = "6"
    & skf18("5","5","1","7","1","3","1") = "6"
    & skf18("5","5","1","7","1","4","1") = "6"
    & skf18("5","5","1","7","1","5","1") = "6"
    & skf18("5","5","1","7","1","6","1") = "6"
    & skf18("5","5","1","7","1","7","1") = "6"
    & skf18("5","5","1","7","1","8","1") = "7"
    & skf18("5","5","1","7","1","9","1") = "8"
    & skf18("5","5","1","7","1","10","1") = "9"
    & skf18("5","5","1","7","2","1","1") = "6"
    & skf18("5","5","1","7","2","2","1") = "6"
    & skf18("5","5","1","7","2","3","1") = "6"
    & skf18("5","5","1","7","2","4","1") = "6"
    & skf18("5","5","1","7","2","5","1") = "6"
    & skf18("5","5","1","7","2","6","1") = "6"
    & skf18("5","5","1","7","2","7","1") = "6"
    & skf18("5","5","1","7","2","8","1") = "7"
    & skf18("5","5","1","7","2","9","1") = "8"
    & skf18("5","5","1","7","2","10","1") = "9"
    & skf18("5","5","1","7","3","1","1") = "6"
    & skf18("5","5","1","7","3","2","1") = "6"
    & skf18("5","5","1","7","3","3","1") = "6"
    & skf18("5","5","1","7","3","4","1") = "6"
    & skf18("5","5","1","7","3","5","1") = "6"
    & skf18("5","5","1","7","3","6","1") = "6"
    & skf18("5","5","1","7","3","7","1") = "6"
    & skf18("5","5","1","7","3","8","1") = "7"
    & skf18("5","5","1","7","3","9","1") = "8"
    & skf18("5","5","1","7","3","10","1") = "9"
    & skf18("5","5","1","7","4","1","1") = "6"
    & skf18("5","5","1","7","4","2","1") = "6"
    & skf18("5","5","1","7","4","3","1") = "6"
    & skf18("5","5","1","7","4","4","1") = "6"
    & skf18("5","5","1","7","4","5","1") = "6"
    & skf18("5","5","1","7","4","6","1") = "6"
    & skf18("5","5","1","7","4","7","1") = "6"
    & skf18("5","5","1","7","4","8","1") = "7"
    & skf18("5","5","1","7","4","9","1") = "8"
    & skf18("5","5","1","7","4","10","1") = "9"
    & skf18("5","5","1","7","5","1","1") = "6"
    & skf18("5","5","1","7","5","2","1") = "6"
    & skf18("5","5","1","7","5","3","1") = "6"
    & skf18("5","5","1","7","5","4","1") = "6"
    & skf18("5","5","1","7","5","5","1") = "6"
    & skf18("5","5","1","7","5","6","1") = "6"
    & skf18("5","5","1","7","5","7","1") = "6"
    & skf18("5","5","1","7","5","8","1") = "7"
    & skf18("5","5","1","7","5","9","1") = "8"
    & skf18("5","5","1","7","5","10","1") = "9"
    & skf18("5","5","1","7","6","1","1") = "6"
    & skf18("5","5","1","7","6","2","1") = "6"
    & skf18("5","5","1","7","6","3","1") = "6"
    & skf18("5","5","1","7","6","4","1") = "6"
    & skf18("5","5","1","7","6","5","1") = "6"
    & skf18("5","5","1","7","6","6","1") = "6"
    & skf18("5","5","1","7","6","7","1") = "6"
    & skf18("5","5","1","7","6","8","1") = "7"
    & skf18("5","5","1","7","6","9","1") = "8"
    & skf18("5","5","1","7","6","10","1") = "9"
    & skf18("5","5","1","7","7","1","1") = "6"
    & skf18("5","5","1","7","7","2","1") = "6"
    & skf18("5","5","1","7","7","3","1") = "6"
    & skf18("5","5","1","7","7","4","1") = "6"
    & skf18("5","5","1","7","7","5","1") = "6"
    & skf18("5","5","1","7","7","6","1") = "6"
    & skf18("5","5","1","7","7","7","1") = "6"
    & skf18("5","5","1","7","7","8","1") = "7"
    & skf18("5","5","1","7","7","9","1") = "8"
    & skf18("5","5","1","7","7","10","1") = "9"
    & skf18("5","5","1","7","8","1","1") = "7"
    & skf18("5","5","1","7","8","2","1") = "7"
    & skf18("5","5","1","7","8","3","1") = "7"
    & skf18("5","5","1","7","8","4","1") = "7"
    & skf18("5","5","1","7","8","5","1") = "7"
    & skf18("5","5","1","7","8","6","1") = "7"
    & skf18("5","5","1","7","8","7","1") = "7"
    & skf18("5","5","1","7","8","8","1") = "7"
    & skf18("5","5","1","7","8","9","1") = "8"
    & skf18("5","5","1","7","8","10","1") = "9"
    & skf18("5","5","1","7","9","1","1") = "8"
    & skf18("5","5","1","7","9","2","1") = "8"
    & skf18("5","5","1","7","9","3","1") = "8"
    & skf18("5","5","1","7","9","4","1") = "8"
    & skf18("5","5","1","7","9","5","1") = "8"
    & skf18("5","5","1","7","9","6","1") = "8"
    & skf18("5","5","1","7","9","7","1") = "8"
    & skf18("5","5","1","7","9","8","1") = "8"
    & skf18("5","5","1","7","9","9","1") = "8"
    & skf18("5","5","1","7","9","10","1") = "9"
    & skf18("5","5","1","7","10","1","1") = "9"
    & skf18("5","5","1","7","10","2","1") = "9"
    & skf18("5","5","1","7","10","3","1") = "9"
    & skf18("5","5","1","7","10","4","1") = "9"
    & skf18("5","5","1","7","10","5","1") = "9"
    & skf18("5","5","1","7","10","6","1") = "9"
    & skf18("5","5","1","7","10","7","1") = "9"
    & skf18("5","5","1","7","10","8","1") = "9"
    & skf18("5","5","1","7","10","9","1") = "9"
    & skf18("5","5","1","7","10","10","1") = "9"
    & skf18("5","5","1","8","1","1","1") = "7"
    & skf18("5","5","1","8","1","2","1") = "7"
    & skf18("5","5","1","8","1","3","1") = "7"
    & skf18("5","5","1","8","1","4","1") = "7"
    & skf18("5","5","1","8","1","5","1") = "7"
    & skf18("5","5","1","8","1","6","1") = "7"
    & skf18("5","5","1","8","1","7","1") = "7"
    & skf18("5","5","1","8","1","8","1") = "7"
    & skf18("5","5","1","8","1","9","1") = "8"
    & skf18("5","5","1","8","1","10","1") = "9"
    & skf18("5","5","1","8","2","1","1") = "7"
    & skf18("5","5","1","8","2","2","1") = "7"
    & skf18("5","5","1","8","2","3","1") = "7"
    & skf18("5","5","1","8","2","4","1") = "7"
    & skf18("5","5","1","8","2","5","1") = "7"
    & skf18("5","5","1","8","2","6","1") = "7"
    & skf18("5","5","1","8","2","7","1") = "7"
    & skf18("5","5","1","8","2","8","1") = "7"
    & skf18("5","5","1","8","2","9","1") = "8"
    & skf18("5","5","1","8","2","10","1") = "9"
    & skf18("5","5","1","8","3","1","1") = "7"
    & skf18("5","5","1","8","3","2","1") = "7"
    & skf18("5","5","1","8","3","3","1") = "7"
    & skf18("5","5","1","8","3","4","1") = "7"
    & skf18("5","5","1","8","3","5","1") = "7"
    & skf18("5","5","1","8","3","6","1") = "7"
    & skf18("5","5","1","8","3","7","1") = "7"
    & skf18("5","5","1","8","3","8","1") = "7"
    & skf18("5","5","1","8","3","9","1") = "8"
    & skf18("5","5","1","8","3","10","1") = "9"
    & skf18("5","5","1","8","4","1","1") = "7"
    & skf18("5","5","1","8","4","2","1") = "7"
    & skf18("5","5","1","8","4","3","1") = "7"
    & skf18("5","5","1","8","4","4","1") = "7"
    & skf18("5","5","1","8","4","5","1") = "7"
    & skf18("5","5","1","8","4","6","1") = "7"
    & skf18("5","5","1","8","4","7","1") = "7"
    & skf18("5","5","1","8","4","8","1") = "7"
    & skf18("5","5","1","8","4","9","1") = "8"
    & skf18("5","5","1","8","4","10","1") = "9"
    & skf18("5","5","1","8","5","1","1") = "7"
    & skf18("5","5","1","8","5","2","1") = "7"
    & skf18("5","5","1","8","5","3","1") = "7"
    & skf18("5","5","1","8","5","4","1") = "7"
    & skf18("5","5","1","8","5","5","1") = "7"
    & skf18("5","5","1","8","5","6","1") = "7"
    & skf18("5","5","1","8","5","7","1") = "7"
    & skf18("5","5","1","8","5","8","1") = "7"
    & skf18("5","5","1","8","5","9","1") = "8"
    & skf18("5","5","1","8","5","10","1") = "9"
    & skf18("5","5","1","8","6","1","1") = "7"
    & skf18("5","5","1","8","6","2","1") = "7"
    & skf18("5","5","1","8","6","3","1") = "7"
    & skf18("5","5","1","8","6","4","1") = "7"
    & skf18("5","5","1","8","6","5","1") = "7"
    & skf18("5","5","1","8","6","6","1") = "7"
    & skf18("5","5","1","8","6","7","1") = "7"
    & skf18("5","5","1","8","6","8","1") = "7"
    & skf18("5","5","1","8","6","9","1") = "8"
    & skf18("5","5","1","8","6","10","1") = "9"
    & skf18("5","5","1","8","7","1","1") = "7"
    & skf18("5","5","1","8","7","2","1") = "7"
    & skf18("5","5","1","8","7","3","1") = "7"
    & skf18("5","5","1","8","7","4","1") = "7"
    & skf18("5","5","1","8","7","5","1") = "7"
    & skf18("5","5","1","8","7","6","1") = "7"
    & skf18("5","5","1","8","7","7","1") = "7"
    & skf18("5","5","1","8","7","8","1") = "7"
    & skf18("5","5","1","8","7","9","1") = "8"
    & skf18("5","5","1","8","7","10","1") = "9"
    & skf18("5","5","1","8","8","1","1") = "7"
    & skf18("5","5","1","8","8","2","1") = "7"
    & skf18("5","5","1","8","8","3","1") = "7"
    & skf18("5","5","1","8","8","4","1") = "7"
    & skf18("5","5","1","8","8","5","1") = "7"
    & skf18("5","5","1","8","8","6","1") = "7"
    & skf18("5","5","1","8","8","7","1") = "7"
    & skf18("5","5","1","8","8","8","1") = "7"
    & skf18("5","5","1","8","8","9","1") = "8"
    & skf18("5","5","1","8","8","10","1") = "9"
    & skf18("5","5","1","8","9","1","1") = "8"
    & skf18("5","5","1","8","9","2","1") = "8"
    & skf18("5","5","1","8","9","3","1") = "8"
    & skf18("5","5","1","8","9","4","1") = "8"
    & skf18("5","5","1","8","9","5","1") = "8"
    & skf18("5","5","1","8","9","6","1") = "8"
    & skf18("5","5","1","8","9","7","1") = "8"
    & skf18("5","5","1","8","9","8","1") = "8"
    & skf18("5","5","1","8","9","9","1") = "8"
    & skf18("5","5","1","8","9","10","1") = "9"
    & skf18("5","5","1","8","10","1","1") = "9"
    & skf18("5","5","1","8","10","2","1") = "9"
    & skf18("5","5","1","8","10","3","1") = "9"
    & skf18("5","5","1","8","10","4","1") = "9"
    & skf18("5","5","1","8","10","5","1") = "9"
    & skf18("5","5","1","8","10","6","1") = "9"
    & skf18("5","5","1","8","10","7","1") = "9"
    & skf18("5","5","1","8","10","8","1") = "9"
    & skf18("5","5","1","8","10","9","1") = "9"
    & skf18("5","5","1","8","10","10","1") = "9"
    & skf18("5","5","1","9","1","1","1") = "8"
    & skf18("5","5","1","9","1","2","1") = "8"
    & skf18("5","5","1","9","1","3","1") = "8"
    & skf18("5","5","1","9","1","4","1") = "8"
    & skf18("5","5","1","9","1","5","1") = "8"
    & skf18("5","5","1","9","1","6","1") = "8"
    & skf18("5","5","1","9","1","7","1") = "8"
    & skf18("5","5","1","9","1","8","1") = "8"
    & skf18("5","5","1","9","1","9","1") = "8"
    & skf18("5","5","1","9","1","10","1") = "9"
    & skf18("5","5","1","9","2","1","1") = "8"
    & skf18("5","5","1","9","2","2","1") = "8"
    & skf18("5","5","1","9","2","3","1") = "8"
    & skf18("5","5","1","9","2","4","1") = "8"
    & skf18("5","5","1","9","2","5","1") = "8"
    & skf18("5","5","1","9","2","6","1") = "8"
    & skf18("5","5","1","9","2","7","1") = "8"
    & skf18("5","5","1","9","2","8","1") = "8"
    & skf18("5","5","1","9","2","9","1") = "8"
    & skf18("5","5","1","9","2","10","1") = "9"
    & skf18("5","5","1","9","3","1","1") = "8"
    & skf18("5","5","1","9","3","2","1") = "8"
    & skf18("5","5","1","9","3","3","1") = "8"
    & skf18("5","5","1","9","3","4","1") = "8"
    & skf18("5","5","1","9","3","5","1") = "8"
    & skf18("5","5","1","9","3","6","1") = "8"
    & skf18("5","5","1","9","3","7","1") = "8"
    & skf18("5","5","1","9","3","8","1") = "8"
    & skf18("5","5","1","9","3","9","1") = "8"
    & skf18("5","5","1","9","3","10","1") = "9"
    & skf18("5","5","1","9","4","1","1") = "8"
    & skf18("5","5","1","9","4","2","1") = "8"
    & skf18("5","5","1","9","4","3","1") = "8"
    & skf18("5","5","1","9","4","4","1") = "8"
    & skf18("5","5","1","9","4","5","1") = "8"
    & skf18("5","5","1","9","4","6","1") = "8"
    & skf18("5","5","1","9","4","7","1") = "8"
    & skf18("5","5","1","9","4","8","1") = "8"
    & skf18("5","5","1","9","4","9","1") = "8"
    & skf18("5","5","1","9","4","10","1") = "9"
    & skf18("5","5","1","9","5","1","1") = "8"
    & skf18("5","5","1","9","5","2","1") = "8"
    & skf18("5","5","1","9","5","3","1") = "8"
    & skf18("5","5","1","9","5","4","1") = "8"
    & skf18("5","5","1","9","5","5","1") = "8"
    & skf18("5","5","1","9","5","6","1") = "8"
    & skf18("5","5","1","9","5","7","1") = "8"
    & skf18("5","5","1","9","5","8","1") = "8"
    & skf18("5","5","1","9","5","9","1") = "8"
    & skf18("5","5","1","9","5","10","1") = "9"
    & skf18("5","5","1","9","6","1","1") = "8"
    & skf18("5","5","1","9","6","2","1") = "8"
    & skf18("5","5","1","9","6","3","1") = "8"
    & skf18("5","5","1","9","6","4","1") = "8"
    & skf18("5","5","1","9","6","5","1") = "8"
    & skf18("5","5","1","9","6","6","1") = "8"
    & skf18("5","5","1","9","6","7","1") = "8"
    & skf18("5","5","1","9","6","8","1") = "8"
    & skf18("5","5","1","9","6","9","1") = "8"
    & skf18("5","5","1","9","6","10","1") = "9"
    & skf18("5","5","1","9","7","1","1") = "8"
    & skf18("5","5","1","9","7","2","1") = "8"
    & skf18("5","5","1","9","7","3","1") = "8"
    & skf18("5","5","1","9","7","4","1") = "8"
    & skf18("5","5","1","9","7","5","1") = "8"
    & skf18("5","5","1","9","7","6","1") = "8"
    & skf18("5","5","1","9","7","7","1") = "8"
    & skf18("5","5","1","9","7","8","1") = "8"
    & skf18("5","5","1","9","7","9","1") = "8"
    & skf18("5","5","1","9","7","10","1") = "9"
    & skf18("5","5","1","9","8","1","1") = "8"
    & skf18("5","5","1","9","8","2","1") = "8"
    & skf18("5","5","1","9","8","3","1") = "8"
    & skf18("5","5","1","9","8","4","1") = "8"
    & skf18("5","5","1","9","8","5","1") = "8"
    & skf18("5","5","1","9","8","6","1") = "8"
    & skf18("5","5","1","9","8","7","1") = "8"
    & skf18("5","5","1","9","8","8","1") = "8"
    & skf18("5","5","1","9","8","9","1") = "8"
    & skf18("5","5","1","9","8","10","1") = "9"
    & skf18("5","5","1","9","9","1","1") = "8"
    & skf18("5","5","1","9","9","2","1") = "8"
    & skf18("5","5","1","9","9","3","1") = "8"
    & skf18("5","5","1","9","9","4","1") = "8"
    & skf18("5","5","1","9","9","5","1") = "8"
    & skf18("5","5","1","9","9","6","1") = "8"
    & skf18("5","5","1","9","9","7","1") = "8"
    & skf18("5","5","1","9","9","8","1") = "8"
    & skf18("5","5","1","9","9","9","1") = "8"
    & skf18("5","5","1","9","9","10","1") = "9"
    & skf18("5","5","1","9","10","1","1") = "9"
    & skf18("5","5","1","9","10","2","1") = "9"
    & skf18("5","5","1","9","10","3","1") = "9"
    & skf18("5","5","1","9","10","4","1") = "9"
    & skf18("5","5","1","9","10","5","1") = "9"
    & skf18("5","5","1","9","10","6","1") = "9"
    & skf18("5","5","1","9","10","7","1") = "9"
    & skf18("5","5","1","9","10","8","1") = "9"
    & skf18("5","5","1","9","10","9","1") = "9"
    & skf18("5","5","1","9","10","10","1") = "9"
    & skf18("5","5","1","10","1","1","1") = "9"
    & skf18("5","5","1","10","1","2","1") = "9"
    & skf18("5","5","1","10","1","3","1") = "9"
    & skf18("5","5","1","10","1","4","1") = "9"
    & skf18("5","5","1","10","1","5","1") = "9"
    & skf18("5","5","1","10","1","6","1") = "9"
    & skf18("5","5","1","10","1","7","1") = "9"
    & skf18("5","5","1","10","1","8","1") = "9"
    & skf18("5","5","1","10","1","9","1") = "9"
    & skf18("5","5","1","10","1","10","1") = "9"
    & skf18("5","5","1","10","2","1","1") = "9"
    & skf18("5","5","1","10","2","2","1") = "9"
    & skf18("5","5","1","10","2","3","1") = "9"
    & skf18("5","5","1","10","2","4","1") = "9"
    & skf18("5","5","1","10","2","5","1") = "9"
    & skf18("5","5","1","10","2","6","1") = "9"
    & skf18("5","5","1","10","2","7","1") = "9"
    & skf18("5","5","1","10","2","8","1") = "9"
    & skf18("5","5","1","10","2","9","1") = "9"
    & skf18("5","5","1","10","2","10","1") = "9"
    & skf18("5","5","1","10","3","1","1") = "9"
    & skf18("5","5","1","10","3","2","1") = "9"
    & skf18("5","5","1","10","3","3","1") = "9"
    & skf18("5","5","1","10","3","4","1") = "9"
    & skf18("5","5","1","10","3","5","1") = "9"
    & skf18("5","5","1","10","3","6","1") = "9"
    & skf18("5","5","1","10","3","7","1") = "9"
    & skf18("5","5","1","10","3","8","1") = "9"
    & skf18("5","5","1","10","3","9","1") = "9"
    & skf18("5","5","1","10","3","10","1") = "9"
    & skf18("5","5","1","10","4","1","1") = "9"
    & skf18("5","5","1","10","4","2","1") = "9"
    & skf18("5","5","1","10","4","3","1") = "9"
    & skf18("5","5","1","10","4","4","1") = "9"
    & skf18("5","5","1","10","4","5","1") = "9"
    & skf18("5","5","1","10","4","6","1") = "9"
    & skf18("5","5","1","10","4","7","1") = "9"
    & skf18("5","5","1","10","4","8","1") = "9"
    & skf18("5","5","1","10","4","9","1") = "9"
    & skf18("5","5","1","10","4","10","1") = "9"
    & skf18("5","5","1","10","5","1","1") = "9"
    & skf18("5","5","1","10","5","2","1") = "9"
    & skf18("5","5","1","10","5","3","1") = "9"
    & skf18("5","5","1","10","5","4","1") = "9"
    & skf18("5","5","1","10","5","5","1") = "9"
    & skf18("5","5","1","10","5","6","1") = "9"
    & skf18("5","5","1","10","5","7","1") = "9"
    & skf18("5","5","1","10","5","8","1") = "9"
    & skf18("5","5","1","10","5","9","1") = "9"
    & skf18("5","5","1","10","5","10","1") = "9"
    & skf18("5","5","1","10","6","1","1") = "9"
    & skf18("5","5","1","10","6","2","1") = "9"
    & skf18("5","5","1","10","6","3","1") = "9"
    & skf18("5","5","1","10","6","4","1") = "9"
    & skf18("5","5","1","10","6","5","1") = "9"
    & skf18("5","5","1","10","6","6","1") = "9"
    & skf18("5","5","1","10","6","7","1") = "9"
    & skf18("5","5","1","10","6","8","1") = "9"
    & skf18("5","5","1","10","6","9","1") = "9"
    & skf18("5","5","1","10","6","10","1") = "9"
    & skf18("5","5","1","10","7","1","1") = "9"
    & skf18("5","5","1","10","7","2","1") = "9"
    & skf18("5","5","1","10","7","3","1") = "9"
    & skf18("5","5","1","10","7","4","1") = "9"
    & skf18("5","5","1","10","7","5","1") = "9"
    & skf18("5","5","1","10","7","6","1") = "9"
    & skf18("5","5","1","10","7","7","1") = "9"
    & skf18("5","5","1","10","7","8","1") = "9"
    & skf18("5","5","1","10","7","9","1") = "9"
    & skf18("5","5","1","10","7","10","1") = "9"
    & skf18("5","5","1","10","8","1","1") = "9"
    & skf18("5","5","1","10","8","2","1") = "9"
    & skf18("5","5","1","10","8","3","1") = "9"
    & skf18("5","5","1","10","8","4","1") = "9"
    & skf18("5","5","1","10","8","5","1") = "9"
    & skf18("5","5","1","10","8","6","1") = "9"
    & skf18("5","5","1","10","8","7","1") = "9"
    & skf18("5","5","1","10","8","8","1") = "9"
    & skf18("5","5","1","10","8","9","1") = "9"
    & skf18("5","5","1","10","8","10","1") = "9"
    & skf18("5","5","1","10","9","1","1") = "9"
    & skf18("5","5","1","10","9","2","1") = "9"
    & skf18("5","5","1","10","9","3","1") = "9"
    & skf18("5","5","1","10","9","4","1") = "9"
    & skf18("5","5","1","10","9","5","1") = "9"
    & skf18("5","5","1","10","9","6","1") = "9"
    & skf18("5","5","1","10","9","7","1") = "9"
    & skf18("5","5","1","10","9","8","1") = "9"
    & skf18("5","5","1","10","9","9","1") = "9"
    & skf18("5","5","1","10","9","10","1") = "9"
    & skf18("5","5","1","10","10","1","1") = "9"
    & skf18("5","5","1","10","10","2","1") = "9"
    & skf18("5","5","1","10","10","3","1") = "9"
    & skf18("5","5","1","10","10","4","1") = "9"
    & skf18("5","5","1","10","10","5","1") = "9"
    & skf18("5","5","1","10","10","6","1") = "9"
    & skf18("5","5","1","10","10","7","1") = "9"
    & skf18("5","5","1","10","10","8","1") = "9"
    & skf18("5","5","1","10","10","9","1") = "9"
    & skf18("5","5","1","10","10","10","1") = "9"
    & skf18("5","5","2","1","1","1","1") = "4"
    & skf18("5","5","2","1","1","2","1") = "4"
    & skf18("5","5","2","1","1","3","1") = "4"
    & skf18("5","5","2","1","1","4","1") = "4"
    & skf18("5","5","2","1","1","5","1") = "4"
    & skf18("5","5","2","1","1","6","1") = "5"
    & skf18("5","5","2","1","1","7","1") = "6"
    & skf18("5","5","2","1","1","8","1") = "7"
    & skf18("5","5","2","1","1","9","1") = "8"
    & skf18("5","5","2","1","1","10","1") = "9"
    & skf18("5","5","2","1","2","1","1") = "4"
    & skf18("5","5","2","1","2","2","1") = "4"
    & skf18("5","5","2","1","2","3","1") = "4"
    & skf18("5","5","2","1","2","4","1") = "4"
    & skf18("5","5","2","1","2","5","1") = "4"
    & skf18("5","5","2","1","2","6","1") = "5"
    & skf18("5","5","2","1","2","7","1") = "6"
    & skf18("5","5","2","1","2","8","1") = "7"
    & skf18("5","5","2","1","2","9","1") = "8"
    & skf18("5","5","2","1","2","10","1") = "9"
    & skf18("5","5","2","1","3","1","1") = "4"
    & skf18("5","5","2","1","3","2","1") = "4"
    & skf18("5","5","2","1","3","3","1") = "4"
    & skf18("5","5","2","1","3","4","1") = "4"
    & skf18("5","5","2","1","3","5","1") = "4"
    & skf18("5","5","2","1","3","6","1") = "5"
    & skf18("5","5","2","1","3","7","1") = "6"
    & skf18("5","5","2","1","3","8","1") = "7"
    & skf18("5","5","2","1","3","9","1") = "8"
    & skf18("5","5","2","1","3","10","1") = "9"
    & skf18("5","5","2","1","4","1","1") = "4"
    & skf18("5","5","2","1","4","2","1") = "4"
    & skf18("5","5","2","1","4","3","1") = "4"
    & skf18("5","5","2","1","4","4","1") = "4"
    & skf18("5","5","2","1","4","5","1") = "4"
    & skf18("5","5","2","1","4","6","1") = "5"
    & skf18("5","5","2","1","4","7","1") = "6"
    & skf18("5","5","2","1","4","8","1") = "7"
    & skf18("5","5","2","1","4","9","1") = "8"
    & skf18("5","5","2","1","4","10","1") = "9"
    & skf18("5","5","2","1","5","1","1") = "4"
    & skf18("5","5","2","1","5","2","1") = "4"
    & skf18("5","5","2","1","5","3","1") = "4"
    & skf18("5","5","2","1","5","4","1") = "4"
    & skf18("5","5","2","1","5","5","1") = "4"
    & skf18("5","5","2","1","5","6","1") = "5"
    & skf18("5","5","2","1","5","7","1") = "6"
    & skf18("5","5","2","1","5","8","1") = "7"
    & skf18("5","5","2","1","5","9","1") = "8"
    & skf18("5","5","2","1","5","10","1") = "9"
    & skf18("5","5","2","1","6","1","1") = "5"
    & skf18("5","5","2","1","6","2","1") = "5"
    & skf18("5","5","2","1","6","3","1") = "5"
    & skf18("5","5","2","1","6","4","1") = "5"
    & skf18("5","5","2","1","6","5","1") = "5"
    & skf18("5","5","2","1","6","6","1") = "5"
    & skf18("5","5","2","1","6","7","1") = "6"
    & skf18("5","5","2","1","6","8","1") = "7"
    & skf18("5","5","2","1","6","9","1") = "8"
    & skf18("5","5","2","1","6","10","1") = "9"
    & skf18("5","5","2","1","7","1","1") = "6"
    & skf18("5","5","2","1","7","2","1") = "6"
    & skf18("5","5","2","1","7","3","1") = "6"
    & skf18("5","5","2","1","7","4","1") = "6"
    & skf18("5","5","2","1","7","5","1") = "6"
    & skf18("5","5","2","1","7","6","1") = "6"
    & skf18("5","5","2","1","7","7","1") = "6"
    & skf18("5","5","2","1","7","8","1") = "7"
    & skf18("5","5","2","1","7","9","1") = "8"
    & skf18("5","5","2","1","7","10","1") = "9"
    & skf18("5","5","2","1","8","1","1") = "7"
    & skf18("5","5","2","1","8","2","1") = "7"
    & skf18("5","5","2","1","8","3","1") = "7"
    & skf18("5","5","2","1","8","4","1") = "7"
    & skf18("5","5","2","1","8","5","1") = "7"
    & skf18("5","5","2","1","8","6","1") = "7"
    & skf18("5","5","2","1","8","7","1") = "7"
    & skf18("5","5","2","1","8","8","1") = "7"
    & skf18("5","5","2","1","8","9","1") = "8"
    & skf18("5","5","2","1","8","10","1") = "9"
    & skf18("5","5","2","1","9","1","1") = "8"
    & skf18("5","5","2","1","9","2","1") = "8"
    & skf18("5","5","2","1","9","3","1") = "8"
    & skf18("5","5","2","1","9","4","1") = "8"
    & skf18("5","5","2","1","9","5","1") = "8"
    & skf18("5","5","2","1","9","6","1") = "8"
    & skf18("5","5","2","1","9","7","1") = "8"
    & skf18("5","5","2","1","9","8","1") = "8"
    & skf18("5","5","2","1","9","9","1") = "8"
    & skf18("5","5","2","1","9","10","1") = "9"
    & skf18("5","5","2","1","10","1","1") = "9"
    & skf18("5","5","2","1","10","2","1") = "9"
    & skf18("5","5","2","1","10","3","1") = "9"
    & skf18("5","5","2","1","10","4","1") = "9"
    & skf18("5","5","2","1","10","5","1") = "9"
    & skf18("5","5","2","1","10","6","1") = "9"
    & skf18("5","5","2","1","10","7","1") = "9"
    & skf18("5","5","2","1","10","8","1") = "9"
    & skf18("5","5","2","1","10","9","1") = "9"
    & skf18("5","5","2","1","10","10","1") = "9"
    & skf18("5","5","2","2","1","1","1") = "4"
    & skf18("5","5","2","2","1","2","1") = "4"
    & skf18("5","5","2","2","1","3","1") = "4"
    & skf18("5","5","2","2","1","4","1") = "4"
    & skf18("5","5","2","2","1","5","1") = "4"
    & skf18("5","5","2","2","1","6","1") = "5"
    & skf18("5","5","2","2","1","7","1") = "6"
    & skf18("5","5","2","2","1","8","1") = "7"
    & skf18("5","5","2","2","1","9","1") = "8"
    & skf18("5","5","2","2","1","10","1") = "9"
    & skf18("5","5","2","2","2","1","1") = "4"
    & skf18("5","5","2","2","2","2","1") = "4"
    & skf18("5","5","2","2","2","3","1") = "4"
    & skf18("5","5","2","2","2","4","1") = "4"
    & skf18("5","5","2","2","2","5","1") = "4"
    & skf18("5","5","2","2","2","6","1") = "5"
    & skf18("5","5","2","2","2","7","1") = "6"
    & skf18("5","5","2","2","2","8","1") = "7"
    & skf18("5","5","2","2","2","9","1") = "8"
    & skf18("5","5","2","2","2","10","1") = "9"
    & skf18("5","5","2","2","3","1","1") = "4"
    & skf18("5","5","2","2","3","2","1") = "4"
    & skf18("5","5","2","2","3","3","1") = "4"
    & skf18("5","5","2","2","3","4","1") = "4"
    & skf18("5","5","2","2","3","5","1") = "4"
    & skf18("5","5","2","2","3","6","1") = "5"
    & skf18("5","5","2","2","3","7","1") = "6"
    & skf18("5","5","2","2","3","8","1") = "7"
    & skf18("5","5","2","2","3","9","1") = "8"
    & skf18("5","5","2","2","3","10","1") = "9"
    & skf18("5","5","2","2","4","1","1") = "4"
    & skf18("5","5","2","2","4","2","1") = "4"
    & skf18("5","5","2","2","4","3","1") = "4"
    & skf18("5","5","2","2","4","4","1") = "4"
    & skf18("5","5","2","2","4","5","1") = "4"
    & skf18("5","5","2","2","4","6","1") = "5"
    & skf18("5","5","2","2","4","7","1") = "6"
    & skf18("5","5","2","2","4","8","1") = "7"
    & skf18("5","5","2","2","4","9","1") = "8"
    & skf18("5","5","2","2","4","10","1") = "9"
    & skf18("5","5","2","2","5","1","1") = "4"
    & skf18("5","5","2","2","5","2","1") = "4"
    & skf18("5","5","2","2","5","3","1") = "4"
    & skf18("5","5","2","2","5","4","1") = "4"
    & skf18("5","5","2","2","5","5","1") = "4"
    & skf18("5","5","2","2","5","6","1") = "5"
    & skf18("5","5","2","2","5","7","1") = "6"
    & skf18("5","5","2","2","5","8","1") = "7"
    & skf18("5","5","2","2","5","9","1") = "8"
    & skf18("5","5","2","2","5","10","1") = "9"
    & skf18("5","5","2","2","6","1","1") = "5"
    & skf18("5","5","2","2","6","2","1") = "5"
    & skf18("5","5","2","2","6","3","1") = "5"
    & skf18("5","5","2","2","6","4","1") = "5"
    & skf18("5","5","2","2","6","5","1") = "5"
    & skf18("5","5","2","2","6","6","1") = "5"
    & skf18("5","5","2","2","6","7","1") = "6"
    & skf18("5","5","2","2","6","8","1") = "7"
    & skf18("5","5","2","2","6","9","1") = "8"
    & skf18("5","5","2","2","6","10","1") = "9"
    & skf18("5","5","2","2","7","1","1") = "6"
    & skf18("5","5","2","2","7","2","1") = "6"
    & skf18("5","5","2","2","7","3","1") = "6"
    & skf18("5","5","2","2","7","4","1") = "6"
    & skf18("5","5","2","2","7","5","1") = "6"
    & skf18("5","5","2","2","7","6","1") = "6"
    & skf18("5","5","2","2","7","7","1") = "6"
    & skf18("5","5","2","2","7","8","1") = "7"
    & skf18("5","5","2","2","7","9","1") = "8"
    & skf18("5","5","2","2","7","10","1") = "9"
    & skf18("5","5","2","2","8","1","1") = "7"
    & skf18("5","5","2","2","8","2","1") = "7"
    & skf18("5","5","2","2","8","3","1") = "7"
    & skf18("5","5","2","2","8","4","1") = "7"
    & skf18("5","5","2","2","8","5","1") = "7"
    & skf18("5","5","2","2","8","6","1") = "7"
    & skf18("5","5","2","2","8","7","1") = "7"
    & skf18("5","5","2","2","8","8","1") = "7"
    & skf18("5","5","2","2","8","9","1") = "8"
    & skf18("5","5","2","2","8","10","1") = "9"
    & skf18("5","5","2","2","9","1","1") = "8"
    & skf18("5","5","2","2","9","2","1") = "8"
    & skf18("5","5","2","2","9","3","1") = "8"
    & skf18("5","5","2","2","9","4","1") = "8"
    & skf18("5","5","2","2","9","5","1") = "8"
    & skf18("5","5","2","2","9","6","1") = "8"
    & skf18("5","5","2","2","9","7","1") = "8"
    & skf18("5","5","2","2","9","8","1") = "8"
    & skf18("5","5","2","2","9","9","1") = "8"
    & skf18("5","5","2","2","9","10","1") = "9"
    & skf18("5","5","2","2","10","1","1") = "9"
    & skf18("5","5","2","2","10","2","1") = "9"
    & skf18("5","5","2","2","10","3","1") = "9"
    & skf18("5","5","2","2","10","4","1") = "9"
    & skf18("5","5","2","2","10","5","1") = "9"
    & skf18("5","5","2","2","10","6","1") = "9"
    & skf18("5","5","2","2","10","7","1") = "9"
    & skf18("5","5","2","2","10","8","1") = "9"
    & skf18("5","5","2","2","10","9","1") = "9"
    & skf18("5","5","2","2","10","10","1") = "9"
    & skf18("5","5","2","3","1","1","1") = "4"
    & skf18("5","5","2","3","1","2","1") = "4"
    & skf18("5","5","2","3","1","3","1") = "4"
    & skf18("5","5","2","3","1","4","1") = "4"
    & skf18("5","5","2","3","1","5","1") = "4"
    & skf18("5","5","2","3","1","6","1") = "5"
    & skf18("5","5","2","3","1","7","1") = "6"
    & skf18("5","5","2","3","1","8","1") = "7"
    & skf18("5","5","2","3","1","9","1") = "8"
    & skf18("5","5","2","3","1","10","1") = "9"
    & skf18("5","5","2","3","2","1","1") = "4"
    & skf18("5","5","2","3","2","2","1") = "4"
    & skf18("5","5","2","3","2","3","1") = "4"
    & skf18("5","5","2","3","2","4","1") = "4"
    & skf18("5","5","2","3","2","5","1") = "4"
    & skf18("5","5","2","3","2","6","1") = "5"
    & skf18("5","5","2","3","2","7","1") = "6"
    & skf18("5","5","2","3","2","8","1") = "7"
    & skf18("5","5","2","3","2","9","1") = "8"
    & skf18("5","5","2","3","2","10","1") = "9"
    & skf18("5","5","2","3","3","1","1") = "4"
    & skf18("5","5","2","3","3","2","1") = "4"
    & skf18("5","5","2","3","3","3","1") = "4"
    & skf18("5","5","2","3","3","4","1") = "4"
    & skf18("5","5","2","3","3","5","1") = "4"
    & skf18("5","5","2","3","3","6","1") = "5"
    & skf18("5","5","2","3","3","7","1") = "6"
    & skf18("5","5","2","3","3","8","1") = "7"
    & skf18("5","5","2","3","3","9","1") = "8"
    & skf18("5","5","2","3","3","10","1") = "9"
    & skf18("5","5","2","3","4","1","1") = "4"
    & skf18("5","5","2","3","4","2","1") = "4"
    & skf18("5","5","2","3","4","3","1") = "4"
    & skf18("5","5","2","3","4","4","1") = "4"
    & skf18("5","5","2","3","4","5","1") = "4"
    & skf18("5","5","2","3","4","6","1") = "5"
    & skf18("5","5","2","3","4","7","1") = "6"
    & skf18("5","5","2","3","4","8","1") = "7"
    & skf18("5","5","2","3","4","9","1") = "8"
    & skf18("5","5","2","3","4","10","1") = "9"
    & skf18("5","5","2","3","5","1","1") = "4"
    & skf18("5","5","2","3","5","2","1") = "4"
    & skf18("5","5","2","3","5","3","1") = "4"
    & skf18("5","5","2","3","5","4","1") = "4"
    & skf18("5","5","2","3","5","5","1") = "4"
    & skf18("5","5","2","3","5","6","1") = "5"
    & skf18("5","5","2","3","5","7","1") = "6"
    & skf18("5","5","2","3","5","8","1") = "7"
    & skf18("5","5","2","3","5","9","1") = "8"
    & skf18("5","5","2","3","5","10","1") = "9"
    & skf18("5","5","2","3","6","1","1") = "5"
    & skf18("5","5","2","3","6","2","1") = "5"
    & skf18("5","5","2","3","6","3","1") = "5"
    & skf18("5","5","2","3","6","4","1") = "5"
    & skf18("5","5","2","3","6","5","1") = "5"
    & skf18("5","5","2","3","6","6","1") = "5"
    & skf18("5","5","2","3","6","7","1") = "6"
    & skf18("5","5","2","3","6","8","1") = "7"
    & skf18("5","5","2","3","6","9","1") = "8"
    & skf18("5","5","2","3","6","10","1") = "9"
    & skf18("5","5","2","3","7","1","1") = "6"
    & skf18("5","5","2","3","7","2","1") = "6"
    & skf18("5","5","2","3","7","3","1") = "6"
    & skf18("5","5","2","3","7","4","1") = "6"
    & skf18("5","5","2","3","7","5","1") = "6"
    & skf18("5","5","2","3","7","6","1") = "6"
    & skf18("5","5","2","3","7","7","1") = "6"
    & skf18("5","5","2","3","7","8","1") = "7"
    & skf18("5","5","2","3","7","9","1") = "8"
    & skf18("5","5","2","3","7","10","1") = "9"
    & skf18("5","5","2","3","8","1","1") = "7"
    & skf18("5","5","2","3","8","2","1") = "7"
    & skf18("5","5","2","3","8","3","1") = "7"
    & skf18("5","5","2","3","8","4","1") = "7"
    & skf18("5","5","2","3","8","5","1") = "7"
    & skf18("5","5","2","3","8","6","1") = "7"
    & skf18("5","5","2","3","8","7","1") = "7"
    & skf18("5","5","2","3","8","8","1") = "7"
    & skf18("5","5","2","3","8","9","1") = "8"
    & skf18("5","5","2","3","8","10","1") = "9"
    & skf18("5","5","2","3","9","1","1") = "8"
    & skf18("5","5","2","3","9","2","1") = "8"
    & skf18("5","5","2","3","9","3","1") = "8"
    & skf18("5","5","2","3","9","4","1") = "8"
    & skf18("5","5","2","3","9","5","1") = "8"
    & skf18("5","5","2","3","9","6","1") = "8"
    & skf18("5","5","2","3","9","7","1") = "8"
    & skf18("5","5","2","3","9","8","1") = "8"
    & skf18("5","5","2","3","9","9","1") = "8"
    & skf18("5","5","2","3","9","10","1") = "9"
    & skf18("5","5","2","3","10","1","1") = "9"
    & skf18("5","5","2","3","10","2","1") = "9"
    & skf18("5","5","2","3","10","3","1") = "9"
    & skf18("5","5","2","3","10","4","1") = "9"
    & skf18("5","5","2","3","10","5","1") = "9"
    & skf18("5","5","2","3","10","6","1") = "9"
    & skf18("5","5","2","3","10","7","1") = "9"
    & skf18("5","5","2","3","10","8","1") = "9"
    & skf18("5","5","2","3","10","9","1") = "9"
    & skf18("5","5","2","3","10","10","1") = "9"
    & skf18("5","5","2","4","1","1","1") = "4"
    & skf18("5","5","2","4","1","2","1") = "4"
    & skf18("5","5","2","4","1","3","1") = "4"
    & skf18("5","5","2","4","1","4","1") = "4"
    & skf18("5","5","2","4","1","5","1") = "4"
    & skf18("5","5","2","4","1","6","1") = "5"
    & skf18("5","5","2","4","1","7","1") = "6"
    & skf18("5","5","2","4","1","8","1") = "7"
    & skf18("5","5","2","4","1","9","1") = "8"
    & skf18("5","5","2","4","1","10","1") = "9"
    & skf18("5","5","2","4","2","1","1") = "4"
    & skf18("5","5","2","4","2","2","1") = "4"
    & skf18("5","5","2","4","2","3","1") = "4"
    & skf18("5","5","2","4","2","4","1") = "4"
    & skf18("5","5","2","4","2","5","1") = "4"
    & skf18("5","5","2","4","2","6","1") = "5"
    & skf18("5","5","2","4","2","7","1") = "6"
    & skf18("5","5","2","4","2","8","1") = "7"
    & skf18("5","5","2","4","2","9","1") = "8"
    & skf18("5","5","2","4","2","10","1") = "9"
    & skf18("5","5","2","4","3","1","1") = "4"
    & skf18("5","5","2","4","3","2","1") = "4"
    & skf18("5","5","2","4","3","3","1") = "4"
    & skf18("5","5","2","4","3","4","1") = "4"
    & skf18("5","5","2","4","3","5","1") = "4"
    & skf18("5","5","2","4","3","6","1") = "5"
    & skf18("5","5","2","4","3","7","1") = "6"
    & skf18("5","5","2","4","3","8","1") = "7"
    & skf18("5","5","2","4","3","9","1") = "8"
    & skf18("5","5","2","4","3","10","1") = "9"
    & skf18("5","5","2","4","4","1","1") = "4"
    & skf18("5","5","2","4","4","2","1") = "4"
    & skf18("5","5","2","4","4","3","1") = "4"
    & skf18("5","5","2","4","4","4","1") = "4"
    & skf18("5","5","2","4","4","5","1") = "4"
    & skf18("5","5","2","4","4","6","1") = "5"
    & skf18("5","5","2","4","4","7","1") = "6"
    & skf18("5","5","2","4","4","8","1") = "7"
    & skf18("5","5","2","4","4","9","1") = "8"
    & skf18("5","5","2","4","4","10","1") = "9"
    & skf18("5","5","2","4","5","1","1") = "4"
    & skf18("5","5","2","4","5","2","1") = "4"
    & skf18("5","5","2","4","5","3","1") = "4"
    & skf18("5","5","2","4","5","4","1") = "4"
    & skf18("5","5","2","4","5","5","1") = "4"
    & skf18("5","5","2","4","5","6","1") = "5"
    & skf18("5","5","2","4","5","7","1") = "6"
    & skf18("5","5","2","4","5","8","1") = "7"
    & skf18("5","5","2","4","5","9","1") = "8"
    & skf18("5","5","2","4","5","10","1") = "9"
    & skf18("5","5","2","4","6","1","1") = "5"
    & skf18("5","5","2","4","6","2","1") = "5"
    & skf18("5","5","2","4","6","3","1") = "5"
    & skf18("5","5","2","4","6","4","1") = "5"
    & skf18("5","5","2","4","6","5","1") = "5"
    & skf18("5","5","2","4","6","6","1") = "5"
    & skf18("5","5","2","4","6","7","1") = "6"
    & skf18("5","5","2","4","6","8","1") = "7"
    & skf18("5","5","2","4","6","9","1") = "8"
    & skf18("5","5","2","4","6","10","1") = "9"
    & skf18("5","5","2","4","7","1","1") = "6"
    & skf18("5","5","2","4","7","2","1") = "6"
    & skf18("5","5","2","4","7","3","1") = "6"
    & skf18("5","5","2","4","7","4","1") = "6"
    & skf18("5","5","2","4","7","5","1") = "6"
    & skf18("5","5","2","4","7","6","1") = "6"
    & skf18("5","5","2","4","7","7","1") = "6"
    & skf18("5","5","2","4","7","8","1") = "7"
    & skf18("5","5","2","4","7","9","1") = "8"
    & skf18("5","5","2","4","7","10","1") = "9"
    & skf18("5","5","2","4","8","1","1") = "7"
    & skf18("5","5","2","4","8","2","1") = "7"
    & skf18("5","5","2","4","8","3","1") = "7"
    & skf18("5","5","2","4","8","4","1") = "7"
    & skf18("5","5","2","4","8","5","1") = "7"
    & skf18("5","5","2","4","8","6","1") = "7"
    & skf18("5","5","2","4","8","7","1") = "7"
    & skf18("5","5","2","4","8","8","1") = "7"
    & skf18("5","5","2","4","8","9","1") = "8"
    & skf18("5","5","2","4","8","10","1") = "9"
    & skf18("5","5","2","4","9","1","1") = "8"
    & skf18("5","5","2","4","9","2","1") = "8"
    & skf18("5","5","2","4","9","3","1") = "8"
    & skf18("5","5","2","4","9","4","1") = "8"
    & skf18("5","5","2","4","9","5","1") = "8"
    & skf18("5","5","2","4","9","6","1") = "8"
    & skf18("5","5","2","4","9","7","1") = "8"
    & skf18("5","5","2","4","9","8","1") = "8"
    & skf18("5","5","2","4","9","9","1") = "8"
    & skf18("5","5","2","4","9","10","1") = "9"
    & skf18("5","5","2","4","10","1","1") = "9"
    & skf18("5","5","2","4","10","2","1") = "9"
    & skf18("5","5","2","4","10","3","1") = "9"
    & skf18("5","5","2","4","10","4","1") = "9"
    & skf18("5","5","2","4","10","5","1") = "9"
    & skf18("5","5","2","4","10","6","1") = "9"
    & skf18("5","5","2","4","10","7","1") = "9"
    & skf18("5","5","2","4","10","8","1") = "9"
    & skf18("5","5","2","4","10","9","1") = "9"
    & skf18("5","5","2","4","10","10","1") = "9"
    & skf18("5","5","2","5","1","1","1") = "4"
    & skf18("5","5","2","5","1","2","1") = "4"
    & skf18("5","5","2","5","1","3","1") = "4"
    & skf18("5","5","2","5","1","4","1") = "4"
    & skf18("5","5","2","5","1","5","1") = "4"
    & skf18("5","5","2","5","1","6","1") = "5"
    & skf18("5","5","2","5","1","7","1") = "6"
    & skf18("5","5","2","5","1","8","1") = "7"
    & skf18("5","5","2","5","1","9","1") = "8"
    & skf18("5","5","2","5","1","10","1") = "9"
    & skf18("5","5","2","5","2","1","1") = "4"
    & skf18("5","5","2","5","2","2","1") = "4"
    & skf18("5","5","2","5","2","3","1") = "4"
    & skf18("5","5","2","5","2","4","1") = "4"
    & skf18("5","5","2","5","2","5","1") = "4"
    & skf18("5","5","2","5","2","6","1") = "5"
    & skf18("5","5","2","5","2","7","1") = "6"
    & skf18("5","5","2","5","2","8","1") = "7"
    & skf18("5","5","2","5","2","9","1") = "8"
    & skf18("5","5","2","5","2","10","1") = "9"
    & skf18("5","5","2","5","3","1","1") = "4"
    & skf18("5","5","2","5","3","2","1") = "4"
    & skf18("5","5","2","5","3","3","1") = "4"
    & skf18("5","5","2","5","3","4","1") = "4"
    & skf18("5","5","2","5","3","5","1") = "4"
    & skf18("5","5","2","5","3","6","1") = "5"
    & skf18("5","5","2","5","3","7","1") = "6"
    & skf18("5","5","2","5","3","8","1") = "7"
    & skf18("5","5","2","5","3","9","1") = "8"
    & skf18("5","5","2","5","3","10","1") = "9"
    & skf18("5","5","2","5","4","1","1") = "4"
    & skf18("5","5","2","5","4","2","1") = "4"
    & skf18("5","5","2","5","4","3","1") = "4"
    & skf18("5","5","2","5","4","4","1") = "4"
    & skf18("5","5","2","5","4","5","1") = "4"
    & skf18("5","5","2","5","4","6","1") = "5"
    & skf18("5","5","2","5","4","7","1") = "6"
    & skf18("5","5","2","5","4","8","1") = "7"
    & skf18("5","5","2","5","4","9","1") = "8"
    & skf18("5","5","2","5","4","10","1") = "9"
    & skf18("5","5","2","5","5","1","1") = "4"
    & skf18("5","5","2","5","5","2","1") = "4"
    & skf18("5","5","2","5","5","3","1") = "4"
    & skf18("5","5","2","5","5","4","1") = "4"
    & skf18("5","5","2","5","5","5","1") = "4"
    & skf18("5","5","2","5","5","6","1") = "5"
    & skf18("5","5","2","5","5","7","1") = "6"
    & skf18("5","5","2","5","5","8","1") = "7"
    & skf18("5","5","2","5","5","9","1") = "8"
    & skf18("5","5","2","5","5","10","1") = "9"
    & skf18("5","5","2","5","6","1","1") = "5"
    & skf18("5","5","2","5","6","2","1") = "5"
    & skf18("5","5","2","5","6","3","1") = "5"
    & skf18("5","5","2","5","6","4","1") = "5"
    & skf18("5","5","2","5","6","5","1") = "5"
    & skf18("5","5","2","5","6","6","1") = "5"
    & skf18("5","5","2","5","6","7","1") = "6"
    & skf18("5","5","2","5","6","8","1") = "7"
    & skf18("5","5","2","5","6","9","1") = "8"
    & skf18("5","5","2","5","6","10","1") = "9"
    & skf18("5","5","2","5","7","1","1") = "6"
    & skf18("5","5","2","5","7","2","1") = "6"
    & skf18("5","5","2","5","7","3","1") = "6"
    & skf18("5","5","2","5","7","4","1") = "6"
    & skf18("5","5","2","5","7","5","1") = "6"
    & skf18("5","5","2","5","7","6","1") = "6"
    & skf18("5","5","2","5","7","7","1") = "6"
    & skf18("5","5","2","5","7","8","1") = "7"
    & skf18("5","5","2","5","7","9","1") = "8"
    & skf18("5","5","2","5","7","10","1") = "9"
    & skf18("5","5","2","5","8","1","1") = "7"
    & skf18("5","5","2","5","8","2","1") = "7"
    & skf18("5","5","2","5","8","3","1") = "7"
    & skf18("5","5","2","5","8","4","1") = "7"
    & skf18("5","5","2","5","8","5","1") = "7"
    & skf18("5","5","2","5","8","6","1") = "7"
    & skf18("5","5","2","5","8","7","1") = "7"
    & skf18("5","5","2","5","8","8","1") = "7"
    & skf18("5","5","2","5","8","9","1") = "8"
    & skf18("5","5","2","5","8","10","1") = "9"
    & skf18("5","5","2","5","9","1","1") = "8"
    & skf18("5","5","2","5","9","2","1") = "8"
    & skf18("5","5","2","5","9","3","1") = "8"
    & skf18("5","5","2","5","9","4","1") = "8"
    & skf18("5","5","2","5","9","5","1") = "8"
    & skf18("5","5","2","5","9","6","1") = "8"
    & skf18("5","5","2","5","9","7","1") = "8"
    & skf18("5","5","2","5","9","8","1") = "8"
    & skf18("5","5","2","5","9","9","1") = "8"
    & skf18("5","5","2","5","9","10","1") = "9"
    & skf18("5","5","2","5","10","1","1") = "9"
    & skf18("5","5","2","5","10","2","1") = "9"
    & skf18("5","5","2","5","10","3","1") = "9"
    & skf18("5","5","2","5","10","4","1") = "9"
    & skf18("5","5","2","5","10","5","1") = "9"
    & skf18("5","5","2","5","10","6","1") = "9"
    & skf18("5","5","2","5","10","7","1") = "9"
    & skf18("5","5","2","5","10","8","1") = "9"
    & skf18("5","5","2","5","10","9","1") = "9"
    & skf18("5","5","2","5","10","10","1") = "9"
    & skf18("5","5","2","6","1","1","1") = "5"
    & skf18("5","5","2","6","1","2","1") = "5"
    & skf18("5","5","2","6","1","3","1") = "5"
    & skf18("5","5","2","6","1","4","1") = "5"
    & skf18("5","5","2","6","1","5","1") = "5"
    & skf18("5","5","2","6","1","6","1") = "5"
    & skf18("5","5","2","6","1","7","1") = "6"
    & skf18("5","5","2","6","1","8","1") = "7"
    & skf18("5","5","2","6","1","9","1") = "8"
    & skf18("5","5","2","6","1","10","1") = "9"
    & skf18("5","5","2","6","2","1","1") = "5"
    & skf18("5","5","2","6","2","2","1") = "5"
    & skf18("5","5","2","6","2","3","1") = "5"
    & skf18("5","5","2","6","2","4","1") = "5"
    & skf18("5","5","2","6","2","5","1") = "5"
    & skf18("5","5","2","6","2","6","1") = "5"
    & skf18("5","5","2","6","2","7","1") = "6"
    & skf18("5","5","2","6","2","8","1") = "7"
    & skf18("5","5","2","6","2","9","1") = "8"
    & skf18("5","5","2","6","2","10","1") = "9"
    & skf18("5","5","2","6","3","1","1") = "5"
    & skf18("5","5","2","6","3","2","1") = "5"
    & skf18("5","5","2","6","3","3","1") = "5"
    & skf18("5","5","2","6","3","4","1") = "5"
    & skf18("5","5","2","6","3","5","1") = "5"
    & skf18("5","5","2","6","3","6","1") = "5"
    & skf18("5","5","2","6","3","7","1") = "6"
    & skf18("5","5","2","6","3","8","1") = "7"
    & skf18("5","5","2","6","3","9","1") = "8"
    & skf18("5","5","2","6","3","10","1") = "9"
    & skf18("5","5","2","6","4","1","1") = "5"
    & skf18("5","5","2","6","4","2","1") = "5"
    & skf18("5","5","2","6","4","3","1") = "5"
    & skf18("5","5","2","6","4","4","1") = "5"
    & skf18("5","5","2","6","4","5","1") = "5"
    & skf18("5","5","2","6","4","6","1") = "5"
    & skf18("5","5","2","6","4","7","1") = "6"
    & skf18("5","5","2","6","4","8","1") = "7"
    & skf18("5","5","2","6","4","9","1") = "8"
    & skf18("5","5","2","6","4","10","1") = "9"
    & skf18("5","5","2","6","5","1","1") = "5"
    & skf18("5","5","2","6","5","2","1") = "5"
    & skf18("5","5","2","6","5","3","1") = "5"
    & skf18("5","5","2","6","5","4","1") = "5"
    & skf18("5","5","2","6","5","5","1") = "5"
    & skf18("5","5","2","6","5","6","1") = "5"
    & skf18("5","5","2","6","5","7","1") = "6"
    & skf18("5","5","2","6","5","8","1") = "7"
    & skf18("5","5","2","6","5","9","1") = "8"
    & skf18("5","5","2","6","5","10","1") = "9"
    & skf18("5","5","2","6","6","1","1") = "5"
    & skf18("5","5","2","6","6","2","1") = "5"
    & skf18("5","5","2","6","6","3","1") = "5"
    & skf18("5","5","2","6","6","4","1") = "5"
    & skf18("5","5","2","6","6","5","1") = "5"
    & skf18("5","5","2","6","6","6","1") = "5"
    & skf18("5","5","2","6","6","7","1") = "6"
    & skf18("5","5","2","6","6","8","1") = "7"
    & skf18("5","5","2","6","6","9","1") = "8"
    & skf18("5","5","2","6","6","10","1") = "9"
    & skf18("5","5","2","6","7","1","1") = "6"
    & skf18("5","5","2","6","7","2","1") = "6"
    & skf18("5","5","2","6","7","3","1") = "6"
    & skf18("5","5","2","6","7","4","1") = "6"
    & skf18("5","5","2","6","7","5","1") = "6"
    & skf18("5","5","2","6","7","6","1") = "6"
    & skf18("5","5","2","6","7","7","1") = "6"
    & skf18("5","5","2","6","7","8","1") = "7"
    & skf18("5","5","2","6","7","9","1") = "8"
    & skf18("5","5","2","6","7","10","1") = "9"
    & skf18("5","5","2","6","8","1","1") = "7"
    & skf18("5","5","2","6","8","2","1") = "7"
    & skf18("5","5","2","6","8","3","1") = "7"
    & skf18("5","5","2","6","8","4","1") = "7"
    & skf18("5","5","2","6","8","5","1") = "7"
    & skf18("5","5","2","6","8","6","1") = "7"
    & skf18("5","5","2","6","8","7","1") = "7"
    & skf18("5","5","2","6","8","8","1") = "7"
    & skf18("5","5","2","6","8","9","1") = "8"
    & skf18("5","5","2","6","8","10","1") = "9"
    & skf18("5","5","2","6","9","1","1") = "8"
    & skf18("5","5","2","6","9","2","1") = "8"
    & skf18("5","5","2","6","9","3","1") = "8"
    & skf18("5","5","2","6","9","4","1") = "8"
    & skf18("5","5","2","6","9","5","1") = "8"
    & skf18("5","5","2","6","9","6","1") = "8"
    & skf18("5","5","2","6","9","7","1") = "8"
    & skf18("5","5","2","6","9","8","1") = "8"
    & skf18("5","5","2","6","9","9","1") = "8"
    & skf18("5","5","2","6","9","10","1") = "9"
    & skf18("5","5","2","6","10","1","1") = "9"
    & skf18("5","5","2","6","10","2","1") = "9"
    & skf18("5","5","2","6","10","3","1") = "9"
    & skf18("5","5","2","6","10","4","1") = "9"
    & skf18("5","5","2","6","10","5","1") = "9"
    & skf18("5","5","2","6","10","6","1") = "9"
    & skf18("5","5","2","6","10","7","1") = "9"
    & skf18("5","5","2","6","10","8","1") = "9"
    & skf18("5","5","2","6","10","9","1") = "9"
    & skf18("5","5","2","6","10","10","1") = "9"
    & skf18("5","5","2","7","1","1","1") = "6"
    & skf18("5","5","2","7","1","2","1") = "6"
    & skf18("5","5","2","7","1","3","1") = "6"
    & skf18("5","5","2","7","1","4","1") = "6"
    & skf18("5","5","2","7","1","5","1") = "6"
    & skf18("5","5","2","7","1","6","1") = "6"
    & skf18("5","5","2","7","1","7","1") = "6"
    & skf18("5","5","2","7","1","8","1") = "7"
    & skf18("5","5","2","7","1","9","1") = "8"
    & skf18("5","5","2","7","1","10","1") = "9"
    & skf18("5","5","2","7","2","1","1") = "6"
    & skf18("5","5","2","7","2","2","1") = "6"
    & skf18("5","5","2","7","2","3","1") = "6"
    & skf18("5","5","2","7","2","4","1") = "6"
    & skf18("5","5","2","7","2","5","1") = "6"
    & skf18("5","5","2","7","2","6","1") = "6"
    & skf18("5","5","2","7","2","7","1") = "6"
    & skf18("5","5","2","7","2","8","1") = "7"
    & skf18("5","5","2","7","2","9","1") = "8"
    & skf18("5","5","2","7","2","10","1") = "9"
    & skf18("5","5","2","7","3","1","1") = "6"
    & skf18("5","5","2","7","3","2","1") = "6"
    & skf18("5","5","2","7","3","3","1") = "6"
    & skf18("5","5","2","7","3","4","1") = "6"
    & skf18("5","5","2","7","3","5","1") = "6"
    & skf18("5","5","2","7","3","6","1") = "6"
    & skf18("5","5","2","7","3","7","1") = "6"
    & skf18("5","5","2","7","3","8","1") = "7"
    & skf18("5","5","2","7","3","9","1") = "8"
    & skf18("5","5","2","7","3","10","1") = "9"
    & skf18("5","5","2","7","4","1","1") = "6"
    & skf18("5","5","2","7","4","2","1") = "6"
    & skf18("5","5","2","7","4","3","1") = "6"
    & skf18("5","5","2","7","4","4","1") = "6"
    & skf18("5","5","2","7","4","5","1") = "6"
    & skf18("5","5","2","7","4","6","1") = "6"
    & skf18("5","5","2","7","4","7","1") = "6"
    & skf18("5","5","2","7","4","8","1") = "7"
    & skf18("5","5","2","7","4","9","1") = "8"
    & skf18("5","5","2","7","4","10","1") = "9"
    & skf18("5","5","2","7","5","1","1") = "6"
    & skf18("5","5","2","7","5","2","1") = "6"
    & skf18("5","5","2","7","5","3","1") = "6"
    & skf18("5","5","2","7","5","4","1") = "6"
    & skf18("5","5","2","7","5","5","1") = "6"
    & skf18("5","5","2","7","5","6","1") = "6"
    & skf18("5","5","2","7","5","7","1") = "6"
    & skf18("5","5","2","7","5","8","1") = "7"
    & skf18("5","5","2","7","5","9","1") = "8"
    & skf18("5","5","2","7","5","10","1") = "9"
    & skf18("5","5","2","7","6","1","1") = "6"
    & skf18("5","5","2","7","6","2","1") = "6"
    & skf18("5","5","2","7","6","3","1") = "6"
    & skf18("5","5","2","7","6","4","1") = "6"
    & skf18("5","5","2","7","6","5","1") = "6"
    & skf18("5","5","2","7","6","6","1") = "6"
    & skf18("5","5","2","7","6","7","1") = "6"
    & skf18("5","5","2","7","6","8","1") = "7"
    & skf18("5","5","2","7","6","9","1") = "8"
    & skf18("5","5","2","7","6","10","1") = "9"
    & skf18("5","5","2","7","7","1","1") = "6"
    & skf18("5","5","2","7","7","2","1") = "6"
    & skf18("5","5","2","7","7","3","1") = "6"
    & skf18("5","5","2","7","7","4","1") = "6"
    & skf18("5","5","2","7","7","5","1") = "6"
    & skf18("5","5","2","7","7","6","1") = "6"
    & skf18("5","5","2","7","7","7","1") = "6"
    & skf18("5","5","2","7","7","8","1") = "7"
    & skf18("5","5","2","7","7","9","1") = "8"
    & skf18("5","5","2","7","7","10","1") = "9"
    & skf18("5","5","2","7","8","1","1") = "7"
    & skf18("5","5","2","7","8","2","1") = "7"
    & skf18("5","5","2","7","8","3","1") = "7"
    & skf18("5","5","2","7","8","4","1") = "7"
    & skf18("5","5","2","7","8","5","1") = "7"
    & skf18("5","5","2","7","8","6","1") = "7"
    & skf18("5","5","2","7","8","7","1") = "7"
    & skf18("5","5","2","7","8","8","1") = "7"
    & skf18("5","5","2","7","8","9","1") = "8"
    & skf18("5","5","2","7","8","10","1") = "9"
    & skf18("5","5","2","7","9","1","1") = "8"
    & skf18("5","5","2","7","9","2","1") = "8"
    & skf18("5","5","2","7","9","3","1") = "8"
    & skf18("5","5","2","7","9","4","1") = "8"
    & skf18("5","5","2","7","9","5","1") = "8"
    & skf18("5","5","2","7","9","6","1") = "8"
    & skf18("5","5","2","7","9","7","1") = "8"
    & skf18("5","5","2","7","9","8","1") = "8"
    & skf18("5","5","2","7","9","9","1") = "8"
    & skf18("5","5","2","7","9","10","1") = "9"
    & skf18("5","5","2","7","10","1","1") = "9"
    & skf18("5","5","2","7","10","2","1") = "9"
    & skf18("5","5","2","7","10","3","1") = "9"
    & skf18("5","5","2","7","10","4","1") = "9"
    & skf18("5","5","2","7","10","5","1") = "9"
    & skf18("5","5","2","7","10","6","1") = "9"
    & skf18("5","5","2","7","10","7","1") = "9"
    & skf18("5","5","2","7","10","8","1") = "9"
    & skf18("5","5","2","7","10","9","1") = "9"
    & skf18("5","5","2","7","10","10","1") = "9"
    & skf18("5","5","2","8","1","1","1") = "7"
    & skf18("5","5","2","8","1","2","1") = "7"
    & skf18("5","5","2","8","1","3","1") = "7"
    & skf18("5","5","2","8","1","4","1") = "7"
    & skf18("5","5","2","8","1","5","1") = "7"
    & skf18("5","5","2","8","1","6","1") = "7"
    & skf18("5","5","2","8","1","7","1") = "7"
    & skf18("5","5","2","8","1","8","1") = "7"
    & skf18("5","5","2","8","1","9","1") = "8"
    & skf18("5","5","2","8","1","10","1") = "9"
    & skf18("5","5","2","8","2","1","1") = "7"
    & skf18("5","5","2","8","2","2","1") = "7"
    & skf18("5","5","2","8","2","3","1") = "7"
    & skf18("5","5","2","8","2","4","1") = "7"
    & skf18("5","5","2","8","2","5","1") = "7"
    & skf18("5","5","2","8","2","6","1") = "7"
    & skf18("5","5","2","8","2","7","1") = "7"
    & skf18("5","5","2","8","2","8","1") = "7"
    & skf18("5","5","2","8","2","9","1") = "8"
    & skf18("5","5","2","8","2","10","1") = "9"
    & skf18("5","5","2","8","3","1","1") = "7"
    & skf18("5","5","2","8","3","2","1") = "7"
    & skf18("5","5","2","8","3","3","1") = "7"
    & skf18("5","5","2","8","3","4","1") = "7"
    & skf18("5","5","2","8","3","5","1") = "7"
    & skf18("5","5","2","8","3","6","1") = "7"
    & skf18("5","5","2","8","3","7","1") = "7"
    & skf18("5","5","2","8","3","8","1") = "7"
    & skf18("5","5","2","8","3","9","1") = "8"
    & skf18("5","5","2","8","3","10","1") = "9"
    & skf18("5","5","2","8","4","1","1") = "7"
    & skf18("5","5","2","8","4","2","1") = "7"
    & skf18("5","5","2","8","4","3","1") = "7"
    & skf18("5","5","2","8","4","4","1") = "7"
    & skf18("5","5","2","8","4","5","1") = "7"
    & skf18("5","5","2","8","4","6","1") = "7"
    & skf18("5","5","2","8","4","7","1") = "7"
    & skf18("5","5","2","8","4","8","1") = "7"
    & skf18("5","5","2","8","4","9","1") = "8"
    & skf18("5","5","2","8","4","10","1") = "9"
    & skf18("5","5","2","8","5","1","1") = "7"
    & skf18("5","5","2","8","5","2","1") = "7"
    & skf18("5","5","2","8","5","3","1") = "7"
    & skf18("5","5","2","8","5","4","1") = "7"
    & skf18("5","5","2","8","5","5","1") = "7"
    & skf18("5","5","2","8","5","6","1") = "7"
    & skf18("5","5","2","8","5","7","1") = "7"
    & skf18("5","5","2","8","5","8","1") = "7"
    & skf18("5","5","2","8","5","9","1") = "8"
    & skf18("5","5","2","8","5","10","1") = "9"
    & skf18("5","5","2","8","6","1","1") = "7"
    & skf18("5","5","2","8","6","2","1") = "7"
    & skf18("5","5","2","8","6","3","1") = "7"
    & skf18("5","5","2","8","6","4","1") = "7"
    & skf18("5","5","2","8","6","5","1") = "7"
    & skf18("5","5","2","8","6","6","1") = "7"
    & skf18("5","5","2","8","6","7","1") = "7"
    & skf18("5","5","2","8","6","8","1") = "7"
    & skf18("5","5","2","8","6","9","1") = "8"
    & skf18("5","5","2","8","6","10","1") = "9"
    & skf18("5","5","2","8","7","1","1") = "7"
    & skf18("5","5","2","8","7","2","1") = "7"
    & skf18("5","5","2","8","7","3","1") = "7"
    & skf18("5","5","2","8","7","4","1") = "7"
    & skf18("5","5","2","8","7","5","1") = "7"
    & skf18("5","5","2","8","7","6","1") = "7"
    & skf18("5","5","2","8","7","7","1") = "7"
    & skf18("5","5","2","8","7","8","1") = "7"
    & skf18("5","5","2","8","7","9","1") = "8"
    & skf18("5","5","2","8","7","10","1") = "9"
    & skf18("5","5","2","8","8","1","1") = "7"
    & skf18("5","5","2","8","8","2","1") = "7"
    & skf18("5","5","2","8","8","3","1") = "7"
    & skf18("5","5","2","8","8","4","1") = "7"
    & skf18("5","5","2","8","8","5","1") = "7"
    & skf18("5","5","2","8","8","6","1") = "7"
    & skf18("5","5","2","8","8","7","1") = "7"
    & skf18("5","5","2","8","8","8","1") = "7"
    & skf18("5","5","2","8","8","9","1") = "8"
    & skf18("5","5","2","8","8","10","1") = "9"
    & skf18("5","5","2","8","9","1","1") = "8"
    & skf18("5","5","2","8","9","2","1") = "8"
    & skf18("5","5","2","8","9","3","1") = "8"
    & skf18("5","5","2","8","9","4","1") = "8"
    & skf18("5","5","2","8","9","5","1") = "8"
    & skf18("5","5","2","8","9","6","1") = "8"
    & skf18("5","5","2","8","9","7","1") = "8"
    & skf18("5","5","2","8","9","8","1") = "8"
    & skf18("5","5","2","8","9","9","1") = "8"
    & skf18("5","5","2","8","9","10","1") = "9"
    & skf18("5","5","2","8","10","1","1") = "9"
    & skf18("5","5","2","8","10","2","1") = "9"
    & skf18("5","5","2","8","10","3","1") = "9"
    & skf18("5","5","2","8","10","4","1") = "9"
    & skf18("5","5","2","8","10","5","1") = "9"
    & skf18("5","5","2","8","10","6","1") = "9"
    & skf18("5","5","2","8","10","7","1") = "9"
    & skf18("5","5","2","8","10","8","1") = "9"
    & skf18("5","5","2","8","10","9","1") = "9"
    & skf18("5","5","2","8","10","10","1") = "9"
    & skf18("5","5","2","9","1","1","1") = "8"
    & skf18("5","5","2","9","1","2","1") = "8"
    & skf18("5","5","2","9","1","3","1") = "8"
    & skf18("5","5","2","9","1","4","1") = "8"
    & skf18("5","5","2","9","1","5","1") = "8"
    & skf18("5","5","2","9","1","6","1") = "8"
    & skf18("5","5","2","9","1","7","1") = "8"
    & skf18("5","5","2","9","1","8","1") = "8"
    & skf18("5","5","2","9","1","9","1") = "8"
    & skf18("5","5","2","9","1","10","1") = "9"
    & skf18("5","5","2","9","2","1","1") = "8"
    & skf18("5","5","2","9","2","2","1") = "8"
    & skf18("5","5","2","9","2","3","1") = "8"
    & skf18("5","5","2","9","2","4","1") = "8"
    & skf18("5","5","2","9","2","5","1") = "8"
    & skf18("5","5","2","9","2","6","1") = "8"
    & skf18("5","5","2","9","2","7","1") = "8"
    & skf18("5","5","2","9","2","8","1") = "8"
    & skf18("5","5","2","9","2","9","1") = "8"
    & skf18("5","5","2","9","2","10","1") = "9"
    & skf18("5","5","2","9","3","1","1") = "8"
    & skf18("5","5","2","9","3","2","1") = "8"
    & skf18("5","5","2","9","3","3","1") = "8"
    & skf18("5","5","2","9","3","4","1") = "8"
    & skf18("5","5","2","9","3","5","1") = "8"
    & skf18("5","5","2","9","3","6","1") = "8"
    & skf18("5","5","2","9","3","7","1") = "8"
    & skf18("5","5","2","9","3","8","1") = "8"
    & skf18("5","5","2","9","3","9","1") = "8"
    & skf18("5","5","2","9","3","10","1") = "9"
    & skf18("5","5","2","9","4","1","1") = "8"
    & skf18("5","5","2","9","4","2","1") = "8"
    & skf18("5","5","2","9","4","3","1") = "8"
    & skf18("5","5","2","9","4","4","1") = "8"
    & skf18("5","5","2","9","4","5","1") = "8"
    & skf18("5","5","2","9","4","6","1") = "8"
    & skf18("5","5","2","9","4","7","1") = "8"
    & skf18("5","5","2","9","4","8","1") = "8"
    & skf18("5","5","2","9","4","9","1") = "8"
    & skf18("5","5","2","9","4","10","1") = "9"
    & skf18("5","5","2","9","5","1","1") = "8"
    & skf18("5","5","2","9","5","2","1") = "8"
    & skf18("5","5","2","9","5","3","1") = "8"
    & skf18("5","5","2","9","5","4","1") = "8"
    & skf18("5","5","2","9","5","5","1") = "8"
    & skf18("5","5","2","9","5","6","1") = "8"
    & skf18("5","5","2","9","5","7","1") = "8"
    & skf18("5","5","2","9","5","8","1") = "8"
    & skf18("5","5","2","9","5","9","1") = "8"
    & skf18("5","5","2","9","5","10","1") = "9"
    & skf18("5","5","2","9","6","1","1") = "8"
    & skf18("5","5","2","9","6","2","1") = "8"
    & skf18("5","5","2","9","6","3","1") = "8"
    & skf18("5","5","2","9","6","4","1") = "8"
    & skf18("5","5","2","9","6","5","1") = "8"
    & skf18("5","5","2","9","6","6","1") = "8"
    & skf18("5","5","2","9","6","7","1") = "8"
    & skf18("5","5","2","9","6","8","1") = "8"
    & skf18("5","5","2","9","6","9","1") = "8"
    & skf18("5","5","2","9","6","10","1") = "9"
    & skf18("5","5","2","9","7","1","1") = "8"
    & skf18("5","5","2","9","7","2","1") = "8"
    & skf18("5","5","2","9","7","3","1") = "8"
    & skf18("5","5","2","9","7","4","1") = "8"
    & skf18("5","5","2","9","7","5","1") = "8"
    & skf18("5","5","2","9","7","6","1") = "8"
    & skf18("5","5","2","9","7","7","1") = "8"
    & skf18("5","5","2","9","7","8","1") = "8"
    & skf18("5","5","2","9","7","9","1") = "8"
    & skf18("5","5","2","9","7","10","1") = "9"
    & skf18("5","5","2","9","8","1","1") = "8"
    & skf18("5","5","2","9","8","2","1") = "8"
    & skf18("5","5","2","9","8","3","1") = "8"
    & skf18("5","5","2","9","8","4","1") = "8"
    & skf18("5","5","2","9","8","5","1") = "8"
    & skf18("5","5","2","9","8","6","1") = "8"
    & skf18("5","5","2","9","8","7","1") = "8"
    & skf18("5","5","2","9","8","8","1") = "8"
    & skf18("5","5","2","9","8","9","1") = "8"
    & skf18("5","5","2","9","8","10","1") = "9"
    & skf18("5","5","2","9","9","1","1") = "8"
    & skf18("5","5","2","9","9","2","1") = "8"
    & skf18("5","5","2","9","9","3","1") = "8"
    & skf18("5","5","2","9","9","4","1") = "8"
    & skf18("5","5","2","9","9","5","1") = "8"
    & skf18("5","5","2","9","9","6","1") = "8"
    & skf18("5","5","2","9","9","7","1") = "8"
    & skf18("5","5","2","9","9","8","1") = "8"
    & skf18("5","5","2","9","9","9","1") = "8"
    & skf18("5","5","2","9","9","10","1") = "9"
    & skf18("5","5","2","9","10","1","1") = "9"
    & skf18("5","5","2","9","10","2","1") = "9"
    & skf18("5","5","2","9","10","3","1") = "9"
    & skf18("5","5","2","9","10","4","1") = "9"
    & skf18("5","5","2","9","10","5","1") = "9"
    & skf18("5","5","2","9","10","6","1") = "9"
    & skf18("5","5","2","9","10","7","1") = "9"
    & skf18("5","5","2","9","10","8","1") = "9"
    & skf18("5","5","2","9","10","9","1") = "9"
    & skf18("5","5","2","9","10","10","1") = "9"
    & skf18("5","5","2","10","1","1","1") = "9"
    & skf18("5","5","2","10","1","2","1") = "9"
    & skf18("5","5","2","10","1","3","1") = "9"
    & skf18("5","5","2","10","1","4","1") = "9"
    & skf18("5","5","2","10","1","5","1") = "9"
    & skf18("5","5","2","10","1","6","1") = "9"
    & skf18("5","5","2","10","1","7","1") = "9"
    & skf18("5","5","2","10","1","8","1") = "9"
    & skf18("5","5","2","10","1","9","1") = "9"
    & skf18("5","5","2","10","1","10","1") = "9"
    & skf18("5","5","2","10","2","1","1") = "9"
    & skf18("5","5","2","10","2","2","1") = "9"
    & skf18("5","5","2","10","2","3","1") = "9"
    & skf18("5","5","2","10","2","4","1") = "9"
    & skf18("5","5","2","10","2","5","1") = "9"
    & skf18("5","5","2","10","2","6","1") = "9"
    & skf18("5","5","2","10","2","7","1") = "9"
    & skf18("5","5","2","10","2","8","1") = "9"
    & skf18("5","5","2","10","2","9","1") = "9"
    & skf18("5","5","2","10","2","10","1") = "9"
    & skf18("5","5","2","10","3","1","1") = "9"
    & skf18("5","5","2","10","3","2","1") = "9"
    & skf18("5","5","2","10","3","3","1") = "9"
    & skf18("5","5","2","10","3","4","1") = "9"
    & skf18("5","5","2","10","3","5","1") = "9"
    & skf18("5","5","2","10","3","6","1") = "9"
    & skf18("5","5","2","10","3","7","1") = "9"
    & skf18("5","5","2","10","3","8","1") = "9"
    & skf18("5","5","2","10","3","9","1") = "9"
    & skf18("5","5","2","10","3","10","1") = "9"
    & skf18("5","5","2","10","4","1","1") = "9"
    & skf18("5","5","2","10","4","2","1") = "9"
    & skf18("5","5","2","10","4","3","1") = "9"
    & skf18("5","5","2","10","4","4","1") = "9"
    & skf18("5","5","2","10","4","5","1") = "9"
    & skf18("5","5","2","10","4","6","1") = "9"
    & skf18("5","5","2","10","4","7","1") = "9"
    & skf18("5","5","2","10","4","8","1") = "9"
    & skf18("5","5","2","10","4","9","1") = "9"
    & skf18("5","5","2","10","4","10","1") = "9"
    & skf18("5","5","2","10","5","1","1") = "9"
    & skf18("5","5","2","10","5","2","1") = "9"
    & skf18("5","5","2","10","5","3","1") = "9"
    & skf18("5","5","2","10","5","4","1") = "9"
    & skf18("5","5","2","10","5","5","1") = "9"
    & skf18("5","5","2","10","5","6","1") = "9"
    & skf18("5","5","2","10","5","7","1") = "9"
    & skf18("5","5","2","10","5","8","1") = "9"
    & skf18("5","5","2","10","5","9","1") = "9"
    & skf18("5","5","2","10","5","10","1") = "9"
    & skf18("5","5","2","10","6","1","1") = "9"
    & skf18("5","5","2","10","6","2","1") = "9"
    & skf18("5","5","2","10","6","3","1") = "9"
    & skf18("5","5","2","10","6","4","1") = "9"
    & skf18("5","5","2","10","6","5","1") = "9"
    & skf18("5","5","2","10","6","6","1") = "9"
    & skf18("5","5","2","10","6","7","1") = "9"
    & skf18("5","5","2","10","6","8","1") = "9"
    & skf18("5","5","2","10","6","9","1") = "9"
    & skf18("5","5","2","10","6","10","1") = "9"
    & skf18("5","5","2","10","7","1","1") = "9"
    & skf18("5","5","2","10","7","2","1") = "9"
    & skf18("5","5","2","10","7","3","1") = "9"
    & skf18("5","5","2","10","7","4","1") = "9"
    & skf18("5","5","2","10","7","5","1") = "9"
    & skf18("5","5","2","10","7","6","1") = "9"
    & skf18("5","5","2","10","7","7","1") = "9"
    & skf18("5","5","2","10","7","8","1") = "9"
    & skf18("5","5","2","10","7","9","1") = "9"
    & skf18("5","5","2","10","7","10","1") = "9"
    & skf18("5","5","2","10","8","1","1") = "9"
    & skf18("5","5","2","10","8","2","1") = "9"
    & skf18("5","5","2","10","8","3","1") = "9"
    & skf18("5","5","2","10","8","4","1") = "9"
    & skf18("5","5","2","10","8","5","1") = "9"
    & skf18("5","5","2","10","8","6","1") = "9"
    & skf18("5","5","2","10","8","7","1") = "9"
    & skf18("5","5","2","10","8","8","1") = "9"
    & skf18("5","5","2","10","8","9","1") = "9"
    & skf18("5","5","2","10","8","10","1") = "9"
    & skf18("5","5","2","10","9","1","1") = "9"
    & skf18("5","5","2","10","9","2","1") = "9"
    & skf18("5","5","2","10","9","3","1") = "9"
    & skf18("5","5","2","10","9","4","1") = "9"
    & skf18("5","5","2","10","9","5","1") = "9"
    & skf18("5","5","2","10","9","6","1") = "9"
    & skf18("5","5","2","10","9","7","1") = "9"
    & skf18("5","5","2","10","9","8","1") = "9"
    & skf18("5","5","2","10","9","9","1") = "9"
    & skf18("5","5","2","10","9","10","1") = "9"
    & skf18("5","5","2","10","10","1","1") = "9"
    & skf18("5","5","2","10","10","2","1") = "9"
    & skf18("5","5","2","10","10","3","1") = "9"
    & skf18("5","5","2","10","10","4","1") = "9"
    & skf18("5","5","2","10","10","5","1") = "9"
    & skf18("5","5","2","10","10","6","1") = "9"
    & skf18("5","5","2","10","10","7","1") = "9"
    & skf18("5","5","2","10","10","8","1") = "9"
    & skf18("5","5","2","10","10","9","1") = "9"
    & skf18("5","5","2","10","10","10","1") = "9"
    & skf18("5","5","3","1","1","1","1") = "4"
    & skf18("5","5","3","1","1","2","1") = "4"
    & skf18("5","5","3","1","1","3","1") = "4"
    & skf18("5","5","3","1","1","4","1") = "4"
    & skf18("5","5","3","1","1","5","1") = "4"
    & skf18("5","5","3","1","1","6","1") = "5"
    & skf18("5","5","3","1","1","7","1") = "6"
    & skf18("5","5","3","1","1","8","1") = "7"
    & skf18("5","5","3","1","1","9","1") = "8"
    & skf18("5","5","3","1","1","10","1") = "9"
    & skf18("5","5","3","1","2","1","1") = "4"
    & skf18("5","5","3","1","2","2","1") = "4"
    & skf18("5","5","3","1","2","3","1") = "4"
    & skf18("5","5","3","1","2","4","1") = "4"
    & skf18("5","5","3","1","2","5","1") = "4"
    & skf18("5","5","3","1","2","6","1") = "5"
    & skf18("5","5","3","1","2","7","1") = "6"
    & skf18("5","5","3","1","2","8","1") = "7"
    & skf18("5","5","3","1","2","9","1") = "8"
    & skf18("5","5","3","1","2","10","1") = "9"
    & skf18("5","5","3","1","3","1","1") = "4"
    & skf18("5","5","3","1","3","2","1") = "4"
    & skf18("5","5","3","1","3","3","1") = "4"
    & skf18("5","5","3","1","3","4","1") = "4"
    & skf18("5","5","3","1","3","5","1") = "4"
    & skf18("5","5","3","1","3","6","1") = "5"
    & skf18("5","5","3","1","3","7","1") = "6"
    & skf18("5","5","3","1","3","8","1") = "7"
    & skf18("5","5","3","1","3","9","1") = "8"
    & skf18("5","5","3","1","3","10","1") = "9"
    & skf18("5","5","3","1","4","1","1") = "4"
    & skf18("5","5","3","1","4","2","1") = "4"
    & skf18("5","5","3","1","4","3","1") = "4"
    & skf18("5","5","3","1","4","4","1") = "4"
    & skf18("5","5","3","1","4","5","1") = "4"
    & skf18("5","5","3","1","4","6","1") = "5"
    & skf18("5","5","3","1","4","7","1") = "6"
    & skf18("5","5","3","1","4","8","1") = "7"
    & skf18("5","5","3","1","4","9","1") = "8"
    & skf18("5","5","3","1","4","10","1") = "9"
    & skf18("5","5","3","1","5","1","1") = "4"
    & skf18("5","5","3","1","5","2","1") = "4"
    & skf18("5","5","3","1","5","3","1") = "4"
    & skf18("5","5","3","1","5","4","1") = "4"
    & skf18("5","5","3","1","5","5","1") = "4"
    & skf18("5","5","3","1","5","6","1") = "5"
    & skf18("5","5","3","1","5","7","1") = "6"
    & skf18("5","5","3","1","5","8","1") = "7"
    & skf18("5","5","3","1","5","9","1") = "8"
    & skf18("5","5","3","1","5","10","1") = "9"
    & skf18("5","5","3","1","6","1","1") = "5"
    & skf18("5","5","3","1","6","2","1") = "5"
    & skf18("5","5","3","1","6","3","1") = "5"
    & skf18("5","5","3","1","6","4","1") = "5"
    & skf18("5","5","3","1","6","5","1") = "5"
    & skf18("5","5","3","1","6","6","1") = "5"
    & skf18("5","5","3","1","6","7","1") = "6"
    & skf18("5","5","3","1","6","8","1") = "7"
    & skf18("5","5","3","1","6","9","1") = "8"
    & skf18("5","5","3","1","6","10","1") = "9"
    & skf18("5","5","3","1","7","1","1") = "6"
    & skf18("5","5","3","1","7","2","1") = "6"
    & skf18("5","5","3","1","7","3","1") = "6"
    & skf18("5","5","3","1","7","4","1") = "6"
    & skf18("5","5","3","1","7","5","1") = "6"
    & skf18("5","5","3","1","7","6","1") = "6"
    & skf18("5","5","3","1","7","7","1") = "6"
    & skf18("5","5","3","1","7","8","1") = "7"
    & skf18("5","5","3","1","7","9","1") = "8"
    & skf18("5","5","3","1","7","10","1") = "9"
    & skf18("5","5","3","1","8","1","1") = "7"
    & skf18("5","5","3","1","8","2","1") = "7"
    & skf18("5","5","3","1","8","3","1") = "7"
    & skf18("5","5","3","1","8","4","1") = "7"
    & skf18("5","5","3","1","8","5","1") = "7"
    & skf18("5","5","3","1","8","6","1") = "7"
    & skf18("5","5","3","1","8","7","1") = "7"
    & skf18("5","5","3","1","8","8","1") = "7"
    & skf18("5","5","3","1","8","9","1") = "8"
    & skf18("5","5","3","1","8","10","1") = "9"
    & skf18("5","5","3","1","9","1","1") = "8"
    & skf18("5","5","3","1","9","2","1") = "8"
    & skf18("5","5","3","1","9","3","1") = "8"
    & skf18("5","5","3","1","9","4","1") = "8"
    & skf18("5","5","3","1","9","5","1") = "8"
    & skf18("5","5","3","1","9","6","1") = "8"
    & skf18("5","5","3","1","9","7","1") = "8"
    & skf18("5","5","3","1","9","8","1") = "8"
    & skf18("5","5","3","1","9","9","1") = "8"
    & skf18("5","5","3","1","9","10","1") = "9"
    & skf18("5","5","3","1","10","1","1") = "9"
    & skf18("5","5","3","1","10","2","1") = "9"
    & skf18("5","5","3","1","10","3","1") = "9"
    & skf18("5","5","3","1","10","4","1") = "9"
    & skf18("5","5","3","1","10","5","1") = "9"
    & skf18("5","5","3","1","10","6","1") = "9"
    & skf18("5","5","3","1","10","7","1") = "9"
    & skf18("5","5","3","1","10","8","1") = "9"
    & skf18("5","5","3","1","10","9","1") = "9"
    & skf18("5","5","3","1","10","10","1") = "9"
    & skf18("5","5","3","2","1","1","1") = "4"
    & skf18("5","5","3","2","1","2","1") = "4"
    & skf18("5","5","3","2","1","3","1") = "4"
    & skf18("5","5","3","2","1","4","1") = "4"
    & skf18("5","5","3","2","1","5","1") = "4"
    & skf18("5","5","3","2","1","6","1") = "5"
    & skf18("5","5","3","2","1","7","1") = "6"
    & skf18("5","5","3","2","1","8","1") = "7"
    & skf18("5","5","3","2","1","9","1") = "8"
    & skf18("5","5","3","2","1","10","1") = "9"
    & skf18("5","5","3","2","2","1","1") = "4"
    & skf18("5","5","3","2","2","2","1") = "4"
    & skf18("5","5","3","2","2","3","1") = "4"
    & skf18("5","5","3","2","2","4","1") = "4"
    & skf18("5","5","3","2","2","5","1") = "4"
    & skf18("5","5","3","2","2","6","1") = "5"
    & skf18("5","5","3","2","2","7","1") = "6"
    & skf18("5","5","3","2","2","8","1") = "7"
    & skf18("5","5","3","2","2","9","1") = "8"
    & skf18("5","5","3","2","2","10","1") = "9"
    & skf18("5","5","3","2","3","1","1") = "4"
    & skf18("5","5","3","2","3","2","1") = "4"
    & skf18("5","5","3","2","3","3","1") = "4"
    & skf18("5","5","3","2","3","4","1") = "4"
    & skf18("5","5","3","2","3","5","1") = "4"
    & skf18("5","5","3","2","3","6","1") = "5"
    & skf18("5","5","3","2","3","7","1") = "6"
    & skf18("5","5","3","2","3","8","1") = "7"
    & skf18("5","5","3","2","3","9","1") = "8"
    & skf18("5","5","3","2","3","10","1") = "9"
    & skf18("5","5","3","2","4","1","1") = "4"
    & skf18("5","5","3","2","4","2","1") = "4"
    & skf18("5","5","3","2","4","3","1") = "4"
    & skf18("5","5","3","2","4","4","1") = "4"
    & skf18("5","5","3","2","4","5","1") = "4"
    & skf18("5","5","3","2","4","6","1") = "5"
    & skf18("5","5","3","2","4","7","1") = "6"
    & skf18("5","5","3","2","4","8","1") = "7"
    & skf18("5","5","3","2","4","9","1") = "8"
    & skf18("5","5","3","2","4","10","1") = "9"
    & skf18("5","5","3","2","5","1","1") = "4"
    & skf18("5","5","3","2","5","2","1") = "4"
    & skf18("5","5","3","2","5","3","1") = "4"
    & skf18("5","5","3","2","5","4","1") = "4"
    & skf18("5","5","3","2","5","5","1") = "4"
    & skf18("5","5","3","2","5","6","1") = "5"
    & skf18("5","5","3","2","5","7","1") = "6"
    & skf18("5","5","3","2","5","8","1") = "7"
    & skf18("5","5","3","2","5","9","1") = "8"
    & skf18("5","5","3","2","5","10","1") = "9"
    & skf18("5","5","3","2","6","1","1") = "5"
    & skf18("5","5","3","2","6","2","1") = "5"
    & skf18("5","5","3","2","6","3","1") = "5"
    & skf18("5","5","3","2","6","4","1") = "5"
    & skf18("5","5","3","2","6","5","1") = "5"
    & skf18("5","5","3","2","6","6","1") = "5"
    & skf18("5","5","3","2","6","7","1") = "6"
    & skf18("5","5","3","2","6","8","1") = "7"
    & skf18("5","5","3","2","6","9","1") = "8"
    & skf18("5","5","3","2","6","10","1") = "9"
    & skf18("5","5","3","2","7","1","1") = "6"
    & skf18("5","5","3","2","7","2","1") = "6"
    & skf18("5","5","3","2","7","3","1") = "6"
    & skf18("5","5","3","2","7","4","1") = "6"
    & skf18("5","5","3","2","7","5","1") = "6"
    & skf18("5","5","3","2","7","6","1") = "6"
    & skf18("5","5","3","2","7","7","1") = "6"
    & skf18("5","5","3","2","7","8","1") = "7"
    & skf18("5","5","3","2","7","9","1") = "8"
    & skf18("5","5","3","2","7","10","1") = "9"
    & skf18("5","5","3","2","8","1","1") = "7"
    & skf18("5","5","3","2","8","2","1") = "7"
    & skf18("5","5","3","2","8","3","1") = "7"
    & skf18("5","5","3","2","8","4","1") = "7"
    & skf18("5","5","3","2","8","5","1") = "7"
    & skf18("5","5","3","2","8","6","1") = "7"
    & skf18("5","5","3","2","8","7","1") = "7"
    & skf18("5","5","3","2","8","8","1") = "7"
    & skf18("5","5","3","2","8","9","1") = "8"
    & skf18("5","5","3","2","8","10","1") = "9"
    & skf18("5","5","3","2","9","1","1") = "8"
    & skf18("5","5","3","2","9","2","1") = "8"
    & skf18("5","5","3","2","9","3","1") = "8"
    & skf18("5","5","3","2","9","4","1") = "8"
    & skf18("5","5","3","2","9","5","1") = "8"
    & skf18("5","5","3","2","9","6","1") = "8"
    & skf18("5","5","3","2","9","7","1") = "8"
    & skf18("5","5","3","2","9","8","1") = "8"
    & skf18("5","5","3","2","9","9","1") = "8"
    & skf18("5","5","3","2","9","10","1") = "9"
    & skf18("5","5","3","2","10","1","1") = "9"
    & skf18("5","5","3","2","10","2","1") = "9"
    & skf18("5","5","3","2","10","3","1") = "9"
    & skf18("5","5","3","2","10","4","1") = "9"
    & skf18("5","5","3","2","10","5","1") = "9"
    & skf18("5","5","3","2","10","6","1") = "9"
    & skf18("5","5","3","2","10","7","1") = "9"
    & skf18("5","5","3","2","10","8","1") = "9"
    & skf18("5","5","3","2","10","9","1") = "9"
    & skf18("5","5","3","2","10","10","1") = "9"
    & skf18("5","5","3","3","1","1","1") = "4"
    & skf18("5","5","3","3","1","2","1") = "4"
    & skf18("5","5","3","3","1","3","1") = "4"
    & skf18("5","5","3","3","1","4","1") = "4"
    & skf18("5","5","3","3","1","5","1") = "4"
    & skf18("5","5","3","3","1","6","1") = "5"
    & skf18("5","5","3","3","1","7","1") = "6"
    & skf18("5","5","3","3","1","8","1") = "7"
    & skf18("5","5","3","3","1","9","1") = "8"
    & skf18("5","5","3","3","1","10","1") = "9"
    & skf18("5","5","3","3","2","1","1") = "4"
    & skf18("5","5","3","3","2","2","1") = "4"
    & skf18("5","5","3","3","2","3","1") = "4"
    & skf18("5","5","3","3","2","4","1") = "4"
    & skf18("5","5","3","3","2","5","1") = "4"
    & skf18("5","5","3","3","2","6","1") = "5"
    & skf18("5","5","3","3","2","7","1") = "6"
    & skf18("5","5","3","3","2","8","1") = "7"
    & skf18("5","5","3","3","2","9","1") = "8"
    & skf18("5","5","3","3","2","10","1") = "9"
    & skf18("5","5","3","3","3","1","1") = "4"
    & skf18("5","5","3","3","3","2","1") = "4"
    & skf18("5","5","3","3","3","3","1") = "4"
    & skf18("5","5","3","3","3","4","1") = "4"
    & skf18("5","5","3","3","3","5","1") = "4"
    & skf18("5","5","3","3","3","6","1") = "5"
    & skf18("5","5","3","3","3","7","1") = "6"
    & skf18("5","5","3","3","3","8","1") = "7"
    & skf18("5","5","3","3","3","9","1") = "8"
    & skf18("5","5","3","3","3","10","1") = "9"
    & skf18("5","5","3","3","4","1","1") = "4"
    & skf18("5","5","3","3","4","2","1") = "4"
    & skf18("5","5","3","3","4","3","1") = "4"
    & skf18("5","5","3","3","4","4","1") = "4"
    & skf18("5","5","3","3","4","5","1") = "4"
    & skf18("5","5","3","3","4","6","1") = "5"
    & skf18("5","5","3","3","4","7","1") = "6"
    & skf18("5","5","3","3","4","8","1") = "7"
    & skf18("5","5","3","3","4","9","1") = "8"
    & skf18("5","5","3","3","4","10","1") = "9"
    & skf18("5","5","3","3","5","1","1") = "4"
    & skf18("5","5","3","3","5","2","1") = "4"
    & skf18("5","5","3","3","5","3","1") = "4"
    & skf18("5","5","3","3","5","4","1") = "4"
    & skf18("5","5","3","3","5","5","1") = "4"
    & skf18("5","5","3","3","5","6","1") = "5"
    & skf18("5","5","3","3","5","7","1") = "6"
    & skf18("5","5","3","3","5","8","1") = "7"
    & skf18("5","5","3","3","5","9","1") = "8"
    & skf18("5","5","3","3","5","10","1") = "9"
    & skf18("5","5","3","3","6","1","1") = "5"
    & skf18("5","5","3","3","6","2","1") = "5"
    & skf18("5","5","3","3","6","3","1") = "5"
    & skf18("5","5","3","3","6","4","1") = "5"
    & skf18("5","5","3","3","6","5","1") = "5"
    & skf18("5","5","3","3","6","6","1") = "5"
    & skf18("5","5","3","3","6","7","1") = "6"
    & skf18("5","5","3","3","6","8","1") = "7"
    & skf18("5","5","3","3","6","9","1") = "8"
    & skf18("5","5","3","3","6","10","1") = "9"
    & skf18("5","5","3","3","7","1","1") = "6"
    & skf18("5","5","3","3","7","2","1") = "6"
    & skf18("5","5","3","3","7","3","1") = "6"
    & skf18("5","5","3","3","7","4","1") = "6"
    & skf18("5","5","3","3","7","5","1") = "6"
    & skf18("5","5","3","3","7","6","1") = "6"
    & skf18("5","5","3","3","7","7","1") = "6"
    & skf18("5","5","3","3","7","8","1") = "7"
    & skf18("5","5","3","3","7","9","1") = "8"
    & skf18("5","5","3","3","7","10","1") = "9"
    & skf18("5","5","3","3","8","1","1") = "7"
    & skf18("5","5","3","3","8","2","1") = "7"
    & skf18("5","5","3","3","8","3","1") = "7"
    & skf18("5","5","3","3","8","4","1") = "7"
    & skf18("5","5","3","3","8","5","1") = "7"
    & skf18("5","5","3","3","8","6","1") = "7"
    & skf18("5","5","3","3","8","7","1") = "7"
    & skf18("5","5","3","3","8","8","1") = "7"
    & skf18("5","5","3","3","8","9","1") = "8"
    & skf18("5","5","3","3","8","10","1") = "9"
    & skf18("5","5","3","3","9","1","1") = "8"
    & skf18("5","5","3","3","9","2","1") = "8"
    & skf18("5","5","3","3","9","3","1") = "8"
    & skf18("5","5","3","3","9","4","1") = "8"
    & skf18("5","5","3","3","9","5","1") = "8"
    & skf18("5","5","3","3","9","6","1") = "8"
    & skf18("5","5","3","3","9","7","1") = "8"
    & skf18("5","5","3","3","9","8","1") = "8"
    & skf18("5","5","3","3","9","9","1") = "8"
    & skf18("5","5","3","3","9","10","1") = "9"
    & skf18("5","5","3","3","10","1","1") = "9"
    & skf18("5","5","3","3","10","2","1") = "9"
    & skf18("5","5","3","3","10","3","1") = "9"
    & skf18("5","5","3","3","10","4","1") = "9"
    & skf18("5","5","3","3","10","5","1") = "9"
    & skf18("5","5","3","3","10","6","1") = "9"
    & skf18("5","5","3","3","10","7","1") = "9"
    & skf18("5","5","3","3","10","8","1") = "9"
    & skf18("5","5","3","3","10","9","1") = "9"
    & skf18("5","5","3","3","10","10","1") = "9"
    & skf18("5","5","3","4","1","1","1") = "4"
    & skf18("5","5","3","4","1","2","1") = "4"
    & skf18("5","5","3","4","1","3","1") = "4"
    & skf18("5","5","3","4","1","4","1") = "4"
    & skf18("5","5","3","4","1","5","1") = "4"
    & skf18("5","5","3","4","1","6","1") = "5"
    & skf18("5","5","3","4","1","7","1") = "6"
    & skf18("5","5","3","4","1","8","1") = "7"
    & skf18("5","5","3","4","1","9","1") = "8"
    & skf18("5","5","3","4","1","10","1") = "9"
    & skf18("5","5","3","4","2","1","1") = "4"
    & skf18("5","5","3","4","2","2","1") = "4"
    & skf18("5","5","3","4","2","3","1") = "4"
    & skf18("5","5","3","4","2","4","1") = "4"
    & skf18("5","5","3","4","2","5","1") = "4"
    & skf18("5","5","3","4","2","6","1") = "5"
    & skf18("5","5","3","4","2","7","1") = "6"
    & skf18("5","5","3","4","2","8","1") = "7"
    & skf18("5","5","3","4","2","9","1") = "8"
    & skf18("5","5","3","4","2","10","1") = "9"
    & skf18("5","5","3","4","3","1","1") = "4"
    & skf18("5","5","3","4","3","2","1") = "4"
    & skf18("5","5","3","4","3","3","1") = "4"
    & skf18("5","5","3","4","3","4","1") = "4"
    & skf18("5","5","3","4","3","5","1") = "4"
    & skf18("5","5","3","4","3","6","1") = "5"
    & skf18("5","5","3","4","3","7","1") = "6"
    & skf18("5","5","3","4","3","8","1") = "7"
    & skf18("5","5","3","4","3","9","1") = "8"
    & skf18("5","5","3","4","3","10","1") = "9"
    & skf18("5","5","3","4","4","1","1") = "4"
    & skf18("5","5","3","4","4","2","1") = "4"
    & skf18("5","5","3","4","4","3","1") = "4"
    & skf18("5","5","3","4","4","4","1") = "4"
    & skf18("5","5","3","4","4","5","1") = "4"
    & skf18("5","5","3","4","4","6","1") = "5"
    & skf18("5","5","3","4","4","7","1") = "6"
    & skf18("5","5","3","4","4","8","1") = "7"
    & skf18("5","5","3","4","4","9","1") = "8"
    & skf18("5","5","3","4","4","10","1") = "9"
    & skf18("5","5","3","4","5","1","1") = "4"
    & skf18("5","5","3","4","5","2","1") = "4"
    & skf18("5","5","3","4","5","3","1") = "4"
    & skf18("5","5","3","4","5","4","1") = "4"
    & skf18("5","5","3","4","5","5","1") = "4"
    & skf18("5","5","3","4","5","6","1") = "5"
    & skf18("5","5","3","4","5","7","1") = "6"
    & skf18("5","5","3","4","5","8","1") = "7"
    & skf18("5","5","3","4","5","9","1") = "8"
    & skf18("5","5","3","4","5","10","1") = "9"
    & skf18("5","5","3","4","6","1","1") = "5"
    & skf18("5","5","3","4","6","2","1") = "5"
    & skf18("5","5","3","4","6","3","1") = "5"
    & skf18("5","5","3","4","6","4","1") = "5"
    & skf18("5","5","3","4","6","5","1") = "5"
    & skf18("5","5","3","4","6","6","1") = "5"
    & skf18("5","5","3","4","6","7","1") = "6"
    & skf18("5","5","3","4","6","8","1") = "7"
    & skf18("5","5","3","4","6","9","1") = "8"
    & skf18("5","5","3","4","6","10","1") = "9"
    & skf18("5","5","3","4","7","1","1") = "6"
    & skf18("5","5","3","4","7","2","1") = "6"
    & skf18("5","5","3","4","7","3","1") = "6"
    & skf18("5","5","3","4","7","4","1") = "6"
    & skf18("5","5","3","4","7","5","1") = "6"
    & skf18("5","5","3","4","7","6","1") = "6"
    & skf18("5","5","3","4","7","7","1") = "6"
    & skf18("5","5","3","4","7","8","1") = "7"
    & skf18("5","5","3","4","7","9","1") = "8"
    & skf18("5","5","3","4","7","10","1") = "9"
    & skf18("5","5","3","4","8","1","1") = "7"
    & skf18("5","5","3","4","8","2","1") = "7"
    & skf18("5","5","3","4","8","3","1") = "7"
    & skf18("5","5","3","4","8","4","1") = "7"
    & skf18("5","5","3","4","8","5","1") = "7"
    & skf18("5","5","3","4","8","6","1") = "7"
    & skf18("5","5","3","4","8","7","1") = "7"
    & skf18("5","5","3","4","8","8","1") = "7"
    & skf18("5","5","3","4","8","9","1") = "8"
    & skf18("5","5","3","4","8","10","1") = "9"
    & skf18("5","5","3","4","9","1","1") = "8"
    & skf18("5","5","3","4","9","2","1") = "8"
    & skf18("5","5","3","4","9","3","1") = "8"
    & skf18("5","5","3","4","9","4","1") = "8"
    & skf18("5","5","3","4","9","5","1") = "8"
    & skf18("5","5","3","4","9","6","1") = "8"
    & skf18("5","5","3","4","9","7","1") = "8"
    & skf18("5","5","3","4","9","8","1") = "8"
    & skf18("5","5","3","4","9","9","1") = "8"
    & skf18("5","5","3","4","9","10","1") = "9"
    & skf18("5","5","3","4","10","1","1") = "9"
    & skf18("5","5","3","4","10","2","1") = "9"
    & skf18("5","5","3","4","10","3","1") = "9"
    & skf18("5","5","3","4","10","4","1") = "9"
    & skf18("5","5","3","4","10","5","1") = "9"
    & skf18("5","5","3","4","10","6","1") = "9"
    & skf18("5","5","3","4","10","7","1") = "9"
    & skf18("5","5","3","4","10","8","1") = "9"
    & skf18("5","5","3","4","10","9","1") = "9"
    & skf18("5","5","3","4","10","10","1") = "9"
    & skf18("5","5","3","5","1","1","1") = "4"
    & skf18("5","5","3","5","1","2","1") = "4"
    & skf18("5","5","3","5","1","3","1") = "4"
    & skf18("5","5","3","5","1","4","1") = "4"
    & skf18("5","5","3","5","1","5","1") = "4"
    & skf18("5","5","3","5","1","6","1") = "5"
    & skf18("5","5","3","5","1","7","1") = "6"
    & skf18("5","5","3","5","1","8","1") = "7"
    & skf18("5","5","3","5","1","9","1") = "8"
    & skf18("5","5","3","5","1","10","1") = "9"
    & skf18("5","5","3","5","2","1","1") = "4"
    & skf18("5","5","3","5","2","2","1") = "4"
    & skf18("5","5","3","5","2","3","1") = "4"
    & skf18("5","5","3","5","2","4","1") = "4"
    & skf18("5","5","3","5","2","5","1") = "4"
    & skf18("5","5","3","5","2","6","1") = "5"
    & skf18("5","5","3","5","2","7","1") = "6"
    & skf18("5","5","3","5","2","8","1") = "7"
    & skf18("5","5","3","5","2","9","1") = "8"
    & skf18("5","5","3","5","2","10","1") = "9"
    & skf18("5","5","3","5","3","1","1") = "4"
    & skf18("5","5","3","5","3","2","1") = "4"
    & skf18("5","5","3","5","3","3","1") = "4"
    & skf18("5","5","3","5","3","4","1") = "4"
    & skf18("5","5","3","5","3","5","1") = "4"
    & skf18("5","5","3","5","3","6","1") = "5"
    & skf18("5","5","3","5","3","7","1") = "6"
    & skf18("5","5","3","5","3","8","1") = "7"
    & skf18("5","5","3","5","3","9","1") = "8"
    & skf18("5","5","3","5","3","10","1") = "9"
    & skf18("5","5","3","5","4","1","1") = "4"
    & skf18("5","5","3","5","4","2","1") = "4"
    & skf18("5","5","3","5","4","3","1") = "4"
    & skf18("5","5","3","5","4","4","1") = "4"
    & skf18("5","5","3","5","4","5","1") = "4"
    & skf18("5","5","3","5","4","6","1") = "5"
    & skf18("5","5","3","5","4","7","1") = "6"
    & skf18("5","5","3","5","4","8","1") = "7"
    & skf18("5","5","3","5","4","9","1") = "8"
    & skf18("5","5","3","5","4","10","1") = "9"
    & skf18("5","5","3","5","5","1","1") = "4"
    & skf18("5","5","3","5","5","2","1") = "4"
    & skf18("5","5","3","5","5","3","1") = "4"
    & skf18("5","5","3","5","5","4","1") = "4"
    & skf18("5","5","3","5","5","5","1") = "4"
    & skf18("5","5","3","5","5","6","1") = "5"
    & skf18("5","5","3","5","5","7","1") = "6"
    & skf18("5","5","3","5","5","8","1") = "7"
    & skf18("5","5","3","5","5","9","1") = "8"
    & skf18("5","5","3","5","5","10","1") = "9"
    & skf18("5","5","3","5","6","1","1") = "5"
    & skf18("5","5","3","5","6","2","1") = "5"
    & skf18("5","5","3","5","6","3","1") = "5"
    & skf18("5","5","3","5","6","4","1") = "5"
    & skf18("5","5","3","5","6","5","1") = "5"
    & skf18("5","5","3","5","6","6","1") = "5"
    & skf18("5","5","3","5","6","7","1") = "6"
    & skf18("5","5","3","5","6","8","1") = "7"
    & skf18("5","5","3","5","6","9","1") = "8"
    & skf18("5","5","3","5","6","10","1") = "9"
    & skf18("5","5","3","5","7","1","1") = "6"
    & skf18("5","5","3","5","7","2","1") = "6"
    & skf18("5","5","3","5","7","3","1") = "6"
    & skf18("5","5","3","5","7","4","1") = "6"
    & skf18("5","5","3","5","7","5","1") = "6"
    & skf18("5","5","3","5","7","6","1") = "6"
    & skf18("5","5","3","5","7","7","1") = "6"
    & skf18("5","5","3","5","7","8","1") = "7"
    & skf18("5","5","3","5","7","9","1") = "8"
    & skf18("5","5","3","5","7","10","1") = "9"
    & skf18("5","5","3","5","8","1","1") = "7"
    & skf18("5","5","3","5","8","2","1") = "7"
    & skf18("5","5","3","5","8","3","1") = "7"
    & skf18("5","5","3","5","8","4","1") = "7"
    & skf18("5","5","3","5","8","5","1") = "7"
    & skf18("5","5","3","5","8","6","1") = "7"
    & skf18("5","5","3","5","8","7","1") = "7"
    & skf18("5","5","3","5","8","8","1") = "7"
    & skf18("5","5","3","5","8","9","1") = "8"
    & skf18("5","5","3","5","8","10","1") = "9"
    & skf18("5","5","3","5","9","1","1") = "8"
    & skf18("5","5","3","5","9","2","1") = "8"
    & skf18("5","5","3","5","9","3","1") = "8"
    & skf18("5","5","3","5","9","4","1") = "8"
    & skf18("5","5","3","5","9","5","1") = "8"
    & skf18("5","5","3","5","9","6","1") = "8"
    & skf18("5","5","3","5","9","7","1") = "8"
    & skf18("5","5","3","5","9","8","1") = "8"
    & skf18("5","5","3","5","9","9","1") = "8"
    & skf18("5","5","3","5","9","10","1") = "9"
    & skf18("5","5","3","5","10","1","1") = "9"
    & skf18("5","5","3","5","10","2","1") = "9"
    & skf18("5","5","3","5","10","3","1") = "9"
    & skf18("5","5","3","5","10","4","1") = "9"
    & skf18("5","5","3","5","10","5","1") = "9"
    & skf18("5","5","3","5","10","6","1") = "9"
    & skf18("5","5","3","5","10","7","1") = "9"
    & skf18("5","5","3","5","10","8","1") = "9"
    & skf18("5","5","3","5","10","9","1") = "9"
    & skf18("5","5","3","5","10","10","1") = "9"
    & skf18("5","5","3","6","1","1","1") = "5"
    & skf18("5","5","3","6","1","2","1") = "5"
    & skf18("5","5","3","6","1","3","1") = "5"
    & skf18("5","5","3","6","1","4","1") = "5"
    & skf18("5","5","3","6","1","5","1") = "5"
    & skf18("5","5","3","6","1","6","1") = "5"
    & skf18("5","5","3","6","1","7","1") = "6"
    & skf18("5","5","3","6","1","8","1") = "7"
    & skf18("5","5","3","6","1","9","1") = "8"
    & skf18("5","5","3","6","1","10","1") = "9"
    & skf18("5","5","3","6","2","1","1") = "5"
    & skf18("5","5","3","6","2","2","1") = "5"
    & skf18("5","5","3","6","2","3","1") = "5"
    & skf18("5","5","3","6","2","4","1") = "5"
    & skf18("5","5","3","6","2","5","1") = "5"
    & skf18("5","5","3","6","2","6","1") = "5"
    & skf18("5","5","3","6","2","7","1") = "6"
    & skf18("5","5","3","6","2","8","1") = "7"
    & skf18("5","5","3","6","2","9","1") = "8"
    & skf18("5","5","3","6","2","10","1") = "9"
    & skf18("5","5","3","6","3","1","1") = "5"
    & skf18("5","5","3","6","3","2","1") = "5"
    & skf18("5","5","3","6","3","3","1") = "5"
    & skf18("5","5","3","6","3","4","1") = "5"
    & skf18("5","5","3","6","3","5","1") = "5"
    & skf18("5","5","3","6","3","6","1") = "5"
    & skf18("5","5","3","6","3","7","1") = "6"
    & skf18("5","5","3","6","3","8","1") = "7"
    & skf18("5","5","3","6","3","9","1") = "8"
    & skf18("5","5","3","6","3","10","1") = "9"
    & skf18("5","5","3","6","4","1","1") = "5"
    & skf18("5","5","3","6","4","2","1") = "5"
    & skf18("5","5","3","6","4","3","1") = "5"
    & skf18("5","5","3","6","4","4","1") = "5"
    & skf18("5","5","3","6","4","5","1") = "5"
    & skf18("5","5","3","6","4","6","1") = "5"
    & skf18("5","5","3","6","4","7","1") = "6"
    & skf18("5","5","3","6","4","8","1") = "7"
    & skf18("5","5","3","6","4","9","1") = "8"
    & skf18("5","5","3","6","4","10","1") = "9"
    & skf18("5","5","3","6","5","1","1") = "5"
    & skf18("5","5","3","6","5","2","1") = "5"
    & skf18("5","5","3","6","5","3","1") = "5"
    & skf18("5","5","3","6","5","4","1") = "5"
    & skf18("5","5","3","6","5","5","1") = "5"
    & skf18("5","5","3","6","5","6","1") = "5"
    & skf18("5","5","3","6","5","7","1") = "6"
    & skf18("5","5","3","6","5","8","1") = "7"
    & skf18("5","5","3","6","5","9","1") = "8"
    & skf18("5","5","3","6","5","10","1") = "9"
    & skf18("5","5","3","6","6","1","1") = "5"
    & skf18("5","5","3","6","6","2","1") = "5"
    & skf18("5","5","3","6","6","3","1") = "5"
    & skf18("5","5","3","6","6","4","1") = "5"
    & skf18("5","5","3","6","6","5","1") = "5"
    & skf18("5","5","3","6","6","6","1") = "5"
    & skf18("5","5","3","6","6","7","1") = "6"
    & skf18("5","5","3","6","6","8","1") = "7"
    & skf18("5","5","3","6","6","9","1") = "8"
    & skf18("5","5","3","6","6","10","1") = "9"
    & skf18("5","5","3","6","7","1","1") = "6"
    & skf18("5","5","3","6","7","2","1") = "6"
    & skf18("5","5","3","6","7","3","1") = "6"
    & skf18("5","5","3","6","7","4","1") = "6"
    & skf18("5","5","3","6","7","5","1") = "6"
    & skf18("5","5","3","6","7","6","1") = "6"
    & skf18("5","5","3","6","7","7","1") = "6"
    & skf18("5","5","3","6","7","8","1") = "7"
    & skf18("5","5","3","6","7","9","1") = "8"
    & skf18("5","5","3","6","7","10","1") = "9"
    & skf18("5","5","3","6","8","1","1") = "7"
    & skf18("5","5","3","6","8","2","1") = "7"
    & skf18("5","5","3","6","8","3","1") = "7"
    & skf18("5","5","3","6","8","4","1") = "7"
    & skf18("5","5","3","6","8","5","1") = "7"
    & skf18("5","5","3","6","8","6","1") = "7"
    & skf18("5","5","3","6","8","7","1") = "7"
    & skf18("5","5","3","6","8","8","1") = "7"
    & skf18("5","5","3","6","8","9","1") = "8"
    & skf18("5","5","3","6","8","10","1") = "9"
    & skf18("5","5","3","6","9","1","1") = "8"
    & skf18("5","5","3","6","9","2","1") = "8"
    & skf18("5","5","3","6","9","3","1") = "8"
    & skf18("5","5","3","6","9","4","1") = "8"
    & skf18("5","5","3","6","9","5","1") = "8"
    & skf18("5","5","3","6","9","6","1") = "8"
    & skf18("5","5","3","6","9","7","1") = "8"
    & skf18("5","5","3","6","9","8","1") = "8"
    & skf18("5","5","3","6","9","9","1") = "8"
    & skf18("5","5","3","6","9","10","1") = "9"
    & skf18("5","5","3","6","10","1","1") = "9"
    & skf18("5","5","3","6","10","2","1") = "9"
    & skf18("5","5","3","6","10","3","1") = "9"
    & skf18("5","5","3","6","10","4","1") = "9"
    & skf18("5","5","3","6","10","5","1") = "9"
    & skf18("5","5","3","6","10","6","1") = "9"
    & skf18("5","5","3","6","10","7","1") = "9"
    & skf18("5","5","3","6","10","8","1") = "9"
    & skf18("5","5","3","6","10","9","1") = "9"
    & skf18("5","5","3","6","10","10","1") = "9"
    & skf18("5","5","3","7","1","1","1") = "6"
    & skf18("5","5","3","7","1","2","1") = "6"
    & skf18("5","5","3","7","1","3","1") = "6"
    & skf18("5","5","3","7","1","4","1") = "6"
    & skf18("5","5","3","7","1","5","1") = "6"
    & skf18("5","5","3","7","1","6","1") = "6"
    & skf18("5","5","3","7","1","7","1") = "6"
    & skf18("5","5","3","7","1","8","1") = "7"
    & skf18("5","5","3","7","1","9","1") = "8"
    & skf18("5","5","3","7","1","10","1") = "9"
    & skf18("5","5","3","7","2","1","1") = "6"
    & skf18("5","5","3","7","2","2","1") = "6"
    & skf18("5","5","3","7","2","3","1") = "6"
    & skf18("5","5","3","7","2","4","1") = "6"
    & skf18("5","5","3","7","2","5","1") = "6"
    & skf18("5","5","3","7","2","6","1") = "6"
    & skf18("5","5","3","7","2","7","1") = "6"
    & skf18("5","5","3","7","2","8","1") = "7"
    & skf18("5","5","3","7","2","9","1") = "8"
    & skf18("5","5","3","7","2","10","1") = "9"
    & skf18("5","5","3","7","3","1","1") = "6"
    & skf18("5","5","3","7","3","2","1") = "6"
    & skf18("5","5","3","7","3","3","1") = "6"
    & skf18("5","5","3","7","3","4","1") = "6"
    & skf18("5","5","3","7","3","5","1") = "6"
    & skf18("5","5","3","7","3","6","1") = "6"
    & skf18("5","5","3","7","3","7","1") = "6"
    & skf18("5","5","3","7","3","8","1") = "7"
    & skf18("5","5","3","7","3","9","1") = "8"
    & skf18("5","5","3","7","3","10","1") = "9"
    & skf18("5","5","3","7","4","1","1") = "6"
    & skf18("5","5","3","7","4","2","1") = "6"
    & skf18("5","5","3","7","4","3","1") = "6"
    & skf18("5","5","3","7","4","4","1") = "6"
    & skf18("5","5","3","7","4","5","1") = "6"
    & skf18("5","5","3","7","4","6","1") = "6"
    & skf18("5","5","3","7","4","7","1") = "6"
    & skf18("5","5","3","7","4","8","1") = "7"
    & skf18("5","5","3","7","4","9","1") = "8"
    & skf18("5","5","3","7","4","10","1") = "9"
    & skf18("5","5","3","7","5","1","1") = "6"
    & skf18("5","5","3","7","5","2","1") = "6"
    & skf18("5","5","3","7","5","3","1") = "6"
    & skf18("5","5","3","7","5","4","1") = "6"
    & skf18("5","5","3","7","5","5","1") = "6"
    & skf18("5","5","3","7","5","6","1") = "6"
    & skf18("5","5","3","7","5","7","1") = "6"
    & skf18("5","5","3","7","5","8","1") = "7"
    & skf18("5","5","3","7","5","9","1") = "8"
    & skf18("5","5","3","7","5","10","1") = "9"
    & skf18("5","5","3","7","6","1","1") = "6"
    & skf18("5","5","3","7","6","2","1") = "6"
    & skf18("5","5","3","7","6","3","1") = "6"
    & skf18("5","5","3","7","6","4","1") = "6"
    & skf18("5","5","3","7","6","5","1") = "6"
    & skf18("5","5","3","7","6","6","1") = "6"
    & skf18("5","5","3","7","6","7","1") = "6"
    & skf18("5","5","3","7","6","8","1") = "7"
    & skf18("5","5","3","7","6","9","1") = "8"
    & skf18("5","5","3","7","6","10","1") = "9"
    & skf18("5","5","3","7","7","1","1") = "6"
    & skf18("5","5","3","7","7","2","1") = "6"
    & skf18("5","5","3","7","7","3","1") = "6"
    & skf18("5","5","3","7","7","4","1") = "6"
    & skf18("5","5","3","7","7","5","1") = "6"
    & skf18("5","5","3","7","7","6","1") = "6"
    & skf18("5","5","3","7","7","7","1") = "6"
    & skf18("5","5","3","7","7","8","1") = "7"
    & skf18("5","5","3","7","7","9","1") = "8"
    & skf18("5","5","3","7","7","10","1") = "9"
    & skf18("5","5","3","7","8","1","1") = "7"
    & skf18("5","5","3","7","8","2","1") = "7"
    & skf18("5","5","3","7","8","3","1") = "7"
    & skf18("5","5","3","7","8","4","1") = "7"
    & skf18("5","5","3","7","8","5","1") = "7"
    & skf18("5","5","3","7","8","6","1") = "7"
    & skf18("5","5","3","7","8","7","1") = "7"
    & skf18("5","5","3","7","8","8","1") = "7"
    & skf18("5","5","3","7","8","9","1") = "8"
    & skf18("5","5","3","7","8","10","1") = "9"
    & skf18("5","5","3","7","9","1","1") = "8"
    & skf18("5","5","3","7","9","2","1") = "8"
    & skf18("5","5","3","7","9","3","1") = "8"
    & skf18("5","5","3","7","9","4","1") = "8"
    & skf18("5","5","3","7","9","5","1") = "8"
    & skf18("5","5","3","7","9","6","1") = "8"
    & skf18("5","5","3","7","9","7","1") = "8"
    & skf18("5","5","3","7","9","8","1") = "8"
    & skf18("5","5","3","7","9","9","1") = "8"
    & skf18("5","5","3","7","9","10","1") = "9"
    & skf18("5","5","3","7","10","1","1") = "9"
    & skf18("5","5","3","7","10","2","1") = "9"
    & skf18("5","5","3","7","10","3","1") = "9"
    & skf18("5","5","3","7","10","4","1") = "9"
    & skf18("5","5","3","7","10","5","1") = "9"
    & skf18("5","5","3","7","10","6","1") = "9"
    & skf18("5","5","3","7","10","7","1") = "9"
    & skf18("5","5","3","7","10","8","1") = "9"
    & skf18("5","5","3","7","10","9","1") = "9"
    & skf18("5","5","3","7","10","10","1") = "9"
    & skf18("5","5","3","8","1","1","1") = "7"
    & skf18("5","5","3","8","1","2","1") = "7"
    & skf18("5","5","3","8","1","3","1") = "7"
    & skf18("5","5","3","8","1","4","1") = "7"
    & skf18("5","5","3","8","1","5","1") = "7"
    & skf18("5","5","3","8","1","6","1") = "7"
    & skf18("5","5","3","8","1","7","1") = "7"
    & skf18("5","5","3","8","1","8","1") = "7"
    & skf18("5","5","3","8","1","9","1") = "8"
    & skf18("5","5","3","8","1","10","1") = "9"
    & skf18("5","5","3","8","2","1","1") = "7"
    & skf18("5","5","3","8","2","2","1") = "7"
    & skf18("5","5","3","8","2","3","1") = "7"
    & skf18("5","5","3","8","2","4","1") = "7"
    & skf18("5","5","3","8","2","5","1") = "7"
    & skf18("5","5","3","8","2","6","1") = "7"
    & skf18("5","5","3","8","2","7","1") = "7"
    & skf18("5","5","3","8","2","8","1") = "7"
    & skf18("5","5","3","8","2","9","1") = "8"
    & skf18("5","5","3","8","2","10","1") = "9"
    & skf18("5","5","3","8","3","1","1") = "7"
    & skf18("5","5","3","8","3","2","1") = "7"
    & skf18("5","5","3","8","3","3","1") = "7"
    & skf18("5","5","3","8","3","4","1") = "7"
    & skf18("5","5","3","8","3","5","1") = "7"
    & skf18("5","5","3","8","3","6","1") = "7"
    & skf18("5","5","3","8","3","7","1") = "7"
    & skf18("5","5","3","8","3","8","1") = "7"
    & skf18("5","5","3","8","3","9","1") = "8"
    & skf18("5","5","3","8","3","10","1") = "9"
    & skf18("5","5","3","8","4","1","1") = "7"
    & skf18("5","5","3","8","4","2","1") = "7"
    & skf18("5","5","3","8","4","3","1") = "7"
    & skf18("5","5","3","8","4","4","1") = "7"
    & skf18("5","5","3","8","4","5","1") = "7"
    & skf18("5","5","3","8","4","6","1") = "7"
    & skf18("5","5","3","8","4","7","1") = "7"
    & skf18("5","5","3","8","4","8","1") = "7"
    & skf18("5","5","3","8","4","9","1") = "8"
    & skf18("5","5","3","8","4","10","1") = "9"
    & skf18("5","5","3","8","5","1","1") = "7"
    & skf18("5","5","3","8","5","2","1") = "7"
    & skf18("5","5","3","8","5","3","1") = "7"
    & skf18("5","5","3","8","5","4","1") = "7"
    & skf18("5","5","3","8","5","5","1") = "7"
    & skf18("5","5","3","8","5","6","1") = "7"
    & skf18("5","5","3","8","5","7","1") = "7"
    & skf18("5","5","3","8","5","8","1") = "7"
    & skf18("5","5","3","8","5","9","1") = "8"
    & skf18("5","5","3","8","5","10","1") = "9"
    & skf18("5","5","3","8","6","1","1") = "7"
    & skf18("5","5","3","8","6","2","1") = "7"
    & skf18("5","5","3","8","6","3","1") = "7"
    & skf18("5","5","3","8","6","4","1") = "7"
    & skf18("5","5","3","8","6","5","1") = "7"
    & skf18("5","5","3","8","6","6","1") = "7"
    & skf18("5","5","3","8","6","7","1") = "7"
    & skf18("5","5","3","8","6","8","1") = "7"
    & skf18("5","5","3","8","6","9","1") = "8"
    & skf18("5","5","3","8","6","10","1") = "9"
    & skf18("5","5","3","8","7","1","1") = "7"
    & skf18("5","5","3","8","7","2","1") = "7"
    & skf18("5","5","3","8","7","3","1") = "7"
    & skf18("5","5","3","8","7","4","1") = "7"
    & skf18("5","5","3","8","7","5","1") = "7"
    & skf18("5","5","3","8","7","6","1") = "7"
    & skf18("5","5","3","8","7","7","1") = "7"
    & skf18("5","5","3","8","7","8","1") = "7"
    & skf18("5","5","3","8","7","9","1") = "8"
    & skf18("5","5","3","8","7","10","1") = "9"
    & skf18("5","5","3","8","8","1","1") = "7"
    & skf18("5","5","3","8","8","2","1") = "7"
    & skf18("5","5","3","8","8","3","1") = "7"
    & skf18("5","5","3","8","8","4","1") = "7"
    & skf18("5","5","3","8","8","5","1") = "7"
    & skf18("5","5","3","8","8","6","1") = "7"
    & skf18("5","5","3","8","8","7","1") = "7"
    & skf18("5","5","3","8","8","8","1") = "7"
    & skf18("5","5","3","8","8","9","1") = "8"
    & skf18("5","5","3","8","8","10","1") = "9"
    & skf18("5","5","3","8","9","1","1") = "8"
    & skf18("5","5","3","8","9","2","1") = "8"
    & skf18("5","5","3","8","9","3","1") = "8"
    & skf18("5","5","3","8","9","4","1") = "8"
    & skf18("5","5","3","8","9","5","1") = "8"
    & skf18("5","5","3","8","9","6","1") = "8"
    & skf18("5","5","3","8","9","7","1") = "8"
    & skf18("5","5","3","8","9","8","1") = "8"
    & skf18("5","5","3","8","9","9","1") = "8"
    & skf18("5","5","3","8","9","10","1") = "9"
    & skf18("5","5","3","8","10","1","1") = "9"
    & skf18("5","5","3","8","10","2","1") = "9"
    & skf18("5","5","3","8","10","3","1") = "9"
    & skf18("5","5","3","8","10","4","1") = "9"
    & skf18("5","5","3","8","10","5","1") = "9"
    & skf18("5","5","3","8","10","6","1") = "9"
    & skf18("5","5","3","8","10","7","1") = "9"
    & skf18("5","5","3","8","10","8","1") = "9"
    & skf18("5","5","3","8","10","9","1") = "9"
    & skf18("5","5","3","8","10","10","1") = "9"
    & skf18("5","5","3","9","1","1","1") = "8"
    & skf18("5","5","3","9","1","2","1") = "8"
    & skf18("5","5","3","9","1","3","1") = "8"
    & skf18("5","5","3","9","1","4","1") = "8"
    & skf18("5","5","3","9","1","5","1") = "8"
    & skf18("5","5","3","9","1","6","1") = "8"
    & skf18("5","5","3","9","1","7","1") = "8"
    & skf18("5","5","3","9","1","8","1") = "8"
    & skf18("5","5","3","9","1","9","1") = "8"
    & skf18("5","5","3","9","1","10","1") = "9"
    & skf18("5","5","3","9","2","1","1") = "8"
    & skf18("5","5","3","9","2","2","1") = "8"
    & skf18("5","5","3","9","2","3","1") = "8"
    & skf18("5","5","3","9","2","4","1") = "8"
    & skf18("5","5","3","9","2","5","1") = "8"
    & skf18("5","5","3","9","2","6","1") = "8"
    & skf18("5","5","3","9","2","7","1") = "8"
    & skf18("5","5","3","9","2","8","1") = "8"
    & skf18("5","5","3","9","2","9","1") = "8"
    & skf18("5","5","3","9","2","10","1") = "9"
    & skf18("5","5","3","9","3","1","1") = "8"
    & skf18("5","5","3","9","3","2","1") = "8"
    & skf18("5","5","3","9","3","3","1") = "8"
    & skf18("5","5","3","9","3","4","1") = "8"
    & skf18("5","5","3","9","3","5","1") = "8"
    & skf18("5","5","3","9","3","6","1") = "8"
    & skf18("5","5","3","9","3","7","1") = "8"
    & skf18("5","5","3","9","3","8","1") = "8"
    & skf18("5","5","3","9","3","9","1") = "8"
    & skf18("5","5","3","9","3","10","1") = "9"
    & skf18("5","5","3","9","4","1","1") = "8"
    & skf18("5","5","3","9","4","2","1") = "8"
    & skf18("5","5","3","9","4","3","1") = "8"
    & skf18("5","5","3","9","4","4","1") = "8"
    & skf18("5","5","3","9","4","5","1") = "8"
    & skf18("5","5","3","9","4","6","1") = "8"
    & skf18("5","5","3","9","4","7","1") = "8"
    & skf18("5","5","3","9","4","8","1") = "8"
    & skf18("5","5","3","9","4","9","1") = "8"
    & skf18("5","5","3","9","4","10","1") = "9"
    & skf18("5","5","3","9","5","1","1") = "8"
    & skf18("5","5","3","9","5","2","1") = "8"
    & skf18("5","5","3","9","5","3","1") = "8"
    & skf18("5","5","3","9","5","4","1") = "8"
    & skf18("5","5","3","9","5","5","1") = "8"
    & skf18("5","5","3","9","5","6","1") = "8"
    & skf18("5","5","3","9","5","7","1") = "8"
    & skf18("5","5","3","9","5","8","1") = "8"
    & skf18("5","5","3","9","5","9","1") = "8"
    & skf18("5","5","3","9","5","10","1") = "9"
    & skf18("5","5","3","9","6","1","1") = "8"
    & skf18("5","5","3","9","6","2","1") = "8"
    & skf18("5","5","3","9","6","3","1") = "8"
    & skf18("5","5","3","9","6","4","1") = "8"
    & skf18("5","5","3","9","6","5","1") = "8"
    & skf18("5","5","3","9","6","6","1") = "8"
    & skf18("5","5","3","9","6","7","1") = "8"
    & skf18("5","5","3","9","6","8","1") = "8"
    & skf18("5","5","3","9","6","9","1") = "8"
    & skf18("5","5","3","9","6","10","1") = "9"
    & skf18("5","5","3","9","7","1","1") = "8"
    & skf18("5","5","3","9","7","2","1") = "8"
    & skf18("5","5","3","9","7","3","1") = "8"
    & skf18("5","5","3","9","7","4","1") = "8"
    & skf18("5","5","3","9","7","5","1") = "8"
    & skf18("5","5","3","9","7","6","1") = "8"
    & skf18("5","5","3","9","7","7","1") = "8"
    & skf18("5","5","3","9","7","8","1") = "8"
    & skf18("5","5","3","9","7","9","1") = "8"
    & skf18("5","5","3","9","7","10","1") = "9"
    & skf18("5","5","3","9","8","1","1") = "8"
    & skf18("5","5","3","9","8","2","1") = "8"
    & skf18("5","5","3","9","8","3","1") = "8"
    & skf18("5","5","3","9","8","4","1") = "8"
    & skf18("5","5","3","9","8","5","1") = "8"
    & skf18("5","5","3","9","8","6","1") = "8"
    & skf18("5","5","3","9","8","7","1") = "8"
    & skf18("5","5","3","9","8","8","1") = "8"
    & skf18("5","5","3","9","8","9","1") = "8"
    & skf18("5","5","3","9","8","10","1") = "9"
    & skf18("5","5","3","9","9","1","1") = "8"
    & skf18("5","5","3","9","9","2","1") = "8"
    & skf18("5","5","3","9","9","3","1") = "8"
    & skf18("5","5","3","9","9","4","1") = "8"
    & skf18("5","5","3","9","9","5","1") = "8"
    & skf18("5","5","3","9","9","6","1") = "8"
    & skf18("5","5","3","9","9","7","1") = "8"
    & skf18("5","5","3","9","9","8","1") = "8"
    & skf18("5","5","3","9","9","9","1") = "8"
    & skf18("5","5","3","9","9","10","1") = "9"
    & skf18("5","5","3","9","10","1","1") = "9"
    & skf18("5","5","3","9","10","2","1") = "9"
    & skf18("5","5","3","9","10","3","1") = "9"
    & skf18("5","5","3","9","10","4","1") = "9"
    & skf18("5","5","3","9","10","5","1") = "9"
    & skf18("5","5","3","9","10","6","1") = "9"
    & skf18("5","5","3","9","10","7","1") = "9"
    & skf18("5","5","3","9","10","8","1") = "9"
    & skf18("5","5","3","9","10","9","1") = "9"
    & skf18("5","5","3","9","10","10","1") = "9"
    & skf18("5","5","3","10","1","1","1") = "9"
    & skf18("5","5","3","10","1","2","1") = "9"
    & skf18("5","5","3","10","1","3","1") = "9"
    & skf18("5","5","3","10","1","4","1") = "9"
    & skf18("5","5","3","10","1","5","1") = "9"
    & skf18("5","5","3","10","1","6","1") = "9"
    & skf18("5","5","3","10","1","7","1") = "9"
    & skf18("5","5","3","10","1","8","1") = "9"
    & skf18("5","5","3","10","1","9","1") = "9"
    & skf18("5","5","3","10","1","10","1") = "9"
    & skf18("5","5","3","10","2","1","1") = "9"
    & skf18("5","5","3","10","2","2","1") = "9"
    & skf18("5","5","3","10","2","3","1") = "9"
    & skf18("5","5","3","10","2","4","1") = "9"
    & skf18("5","5","3","10","2","5","1") = "9"
    & skf18("5","5","3","10","2","6","1") = "9"
    & skf18("5","5","3","10","2","7","1") = "9"
    & skf18("5","5","3","10","2","8","1") = "9"
    & skf18("5","5","3","10","2","9","1") = "9"
    & skf18("5","5","3","10","2","10","1") = "9"
    & skf18("5","5","3","10","3","1","1") = "9"
    & skf18("5","5","3","10","3","2","1") = "9"
    & skf18("5","5","3","10","3","3","1") = "9"
    & skf18("5","5","3","10","3","4","1") = "9"
    & skf18("5","5","3","10","3","5","1") = "9"
    & skf18("5","5","3","10","3","6","1") = "9"
    & skf18("5","5","3","10","3","7","1") = "9"
    & skf18("5","5","3","10","3","8","1") = "9"
    & skf18("5","5","3","10","3","9","1") = "9"
    & skf18("5","5","3","10","3","10","1") = "9"
    & skf18("5","5","3","10","4","1","1") = "9"
    & skf18("5","5","3","10","4","2","1") = "9"
    & skf18("5","5","3","10","4","3","1") = "9"
    & skf18("5","5","3","10","4","4","1") = "9"
    & skf18("5","5","3","10","4","5","1") = "9"
    & skf18("5","5","3","10","4","6","1") = "9"
    & skf18("5","5","3","10","4","7","1") = "9"
    & skf18("5","5","3","10","4","8","1") = "9"
    & skf18("5","5","3","10","4","9","1") = "9"
    & skf18("5","5","3","10","4","10","1") = "9"
    & skf18("5","5","3","10","5","1","1") = "9"
    & skf18("5","5","3","10","5","2","1") = "9"
    & skf18("5","5","3","10","5","3","1") = "9"
    & skf18("5","5","3","10","5","4","1") = "9"
    & skf18("5","5","3","10","5","5","1") = "9"
    & skf18("5","5","3","10","5","6","1") = "9"
    & skf18("5","5","3","10","5","7","1") = "9"
    & skf18("5","5","3","10","5","8","1") = "9"
    & skf18("5","5","3","10","5","9","1") = "9"
    & skf18("5","5","3","10","5","10","1") = "9"
    & skf18("5","5","3","10","6","1","1") = "9"
    & skf18("5","5","3","10","6","2","1") = "9"
    & skf18("5","5","3","10","6","3","1") = "9"
    & skf18("5","5","3","10","6","4","1") = "9"
    & skf18("5","5","3","10","6","5","1") = "9"
    & skf18("5","5","3","10","6","6","1") = "9"
    & skf18("5","5","3","10","6","7","1") = "9"
    & skf18("5","5","3","10","6","8","1") = "9"
    & skf18("5","5","3","10","6","9","1") = "9"
    & skf18("5","5","3","10","6","10","1") = "9"
    & skf18("5","5","3","10","7","1","1") = "9"
    & skf18("5","5","3","10","7","2","1") = "9"
    & skf18("5","5","3","10","7","3","1") = "9"
    & skf18("5","5","3","10","7","4","1") = "9"
    & skf18("5","5","3","10","7","5","1") = "9"
    & skf18("5","5","3","10","7","6","1") = "9"
    & skf18("5","5","3","10","7","7","1") = "9"
    & skf18("5","5","3","10","7","8","1") = "9"
    & skf18("5","5","3","10","7","9","1") = "9"
    & skf18("5","5","3","10","7","10","1") = "9"
    & skf18("5","5","3","10","8","1","1") = "9"
    & skf18("5","5","3","10","8","2","1") = "9"
    & skf18("5","5","3","10","8","3","1") = "9"
    & skf18("5","5","3","10","8","4","1") = "9"
    & skf18("5","5","3","10","8","5","1") = "9"
    & skf18("5","5","3","10","8","6","1") = "9"
    & skf18("5","5","3","10","8","7","1") = "9"
    & skf18("5","5","3","10","8","8","1") = "9"
    & skf18("5","5","3","10","8","9","1") = "9"
    & skf18("5","5","3","10","8","10","1") = "9"
    & skf18("5","5","3","10","9","1","1") = "9"
    & skf18("5","5","3","10","9","2","1") = "9"
    & skf18("5","5","3","10","9","3","1") = "9"
    & skf18("5","5","3","10","9","4","1") = "9"
    & skf18("5","5","3","10","9","5","1") = "9"
    & skf18("5","5","3","10","9","6","1") = "9"
    & skf18("5","5","3","10","9","7","1") = "9"
    & skf18("5","5","3","10","9","8","1") = "9"
    & skf18("5","5","3","10","9","9","1") = "9"
    & skf18("5","5","3","10","9","10","1") = "9"
    & skf18("5","5","3","10","10","1","1") = "9"
    & skf18("5","5","3","10","10","2","1") = "9"
    & skf18("5","5","3","10","10","3","1") = "9"
    & skf18("5","5","3","10","10","4","1") = "9"
    & skf18("5","5","3","10","10","5","1") = "9"
    & skf18("5","5","3","10","10","6","1") = "9"
    & skf18("5","5","3","10","10","7","1") = "9"
    & skf18("5","5","3","10","10","8","1") = "9"
    & skf18("5","5","3","10","10","9","1") = "9"
    & skf18("5","5","3","10","10","10","1") = "9"
    & skf18("5","5","4","1","1","1","1") = "4"
    & skf18("5","5","4","1","1","2","1") = "4"
    & skf18("5","5","4","1","1","3","1") = "4"
    & skf18("5","5","4","1","1","4","1") = "4"
    & skf18("5","5","4","1","1","5","1") = "4"
    & skf18("5","5","4","1","1","6","1") = "5"
    & skf18("5","5","4","1","1","7","1") = "6"
    & skf18("5","5","4","1","1","8","1") = "7"
    & skf18("5","5","4","1","1","9","1") = "8"
    & skf18("5","5","4","1","1","10","1") = "9"
    & skf18("5","5","4","1","2","1","1") = "4"
    & skf18("5","5","4","1","2","2","1") = "4"
    & skf18("5","5","4","1","2","3","1") = "4"
    & skf18("5","5","4","1","2","4","1") = "4"
    & skf18("5","5","4","1","2","5","1") = "4"
    & skf18("5","5","4","1","2","6","1") = "5"
    & skf18("5","5","4","1","2","7","1") = "6"
    & skf18("5","5","4","1","2","8","1") = "7"
    & skf18("5","5","4","1","2","9","1") = "8"
    & skf18("5","5","4","1","2","10","1") = "9"
    & skf18("5","5","4","1","3","1","1") = "4"
    & skf18("5","5","4","1","3","2","1") = "4"
    & skf18("5","5","4","1","3","3","1") = "4"
    & skf18("5","5","4","1","3","4","1") = "4"
    & skf18("5","5","4","1","3","5","1") = "4"
    & skf18("5","5","4","1","3","6","1") = "5"
    & skf18("5","5","4","1","3","7","1") = "6"
    & skf18("5","5","4","1","3","8","1") = "7"
    & skf18("5","5","4","1","3","9","1") = "8"
    & skf18("5","5","4","1","3","10","1") = "9"
    & skf18("5","5","4","1","4","1","1") = "4"
    & skf18("5","5","4","1","4","2","1") = "4"
    & skf18("5","5","4","1","4","3","1") = "4"
    & skf18("5","5","4","1","4","4","1") = "4"
    & skf18("5","5","4","1","4","5","1") = "4"
    & skf18("5","5","4","1","4","6","1") = "5"
    & skf18("5","5","4","1","4","7","1") = "6"
    & skf18("5","5","4","1","4","8","1") = "7"
    & skf18("5","5","4","1","4","9","1") = "8"
    & skf18("5","5","4","1","4","10","1") = "9"
    & skf18("5","5","4","1","5","1","1") = "4"
    & skf18("5","5","4","1","5","2","1") = "4"
    & skf18("5","5","4","1","5","3","1") = "4"
    & skf18("5","5","4","1","5","4","1") = "4"
    & skf18("5","5","4","1","5","5","1") = "4"
    & skf18("5","5","4","1","5","6","1") = "5"
    & skf18("5","5","4","1","5","7","1") = "6"
    & skf18("5","5","4","1","5","8","1") = "7"
    & skf18("5","5","4","1","5","9","1") = "8"
    & skf18("5","5","4","1","5","10","1") = "9"
    & skf18("5","5","4","1","6","1","1") = "5"
    & skf18("5","5","4","1","6","2","1") = "5"
    & skf18("5","5","4","1","6","3","1") = "5"
    & skf18("5","5","4","1","6","4","1") = "5"
    & skf18("5","5","4","1","6","5","1") = "5"
    & skf18("5","5","4","1","6","6","1") = "5"
    & skf18("5","5","4","1","6","7","1") = "6"
    & skf18("5","5","4","1","6","8","1") = "7"
    & skf18("5","5","4","1","6","9","1") = "8"
    & skf18("5","5","4","1","6","10","1") = "9"
    & skf18("5","5","4","1","7","1","1") = "6"
    & skf18("5","5","4","1","7","2","1") = "6"
    & skf18("5","5","4","1","7","3","1") = "6"
    & skf18("5","5","4","1","7","4","1") = "6"
    & skf18("5","5","4","1","7","5","1") = "6"
    & skf18("5","5","4","1","7","6","1") = "6"
    & skf18("5","5","4","1","7","7","1") = "6"
    & skf18("5","5","4","1","7","8","1") = "7"
    & skf18("5","5","4","1","7","9","1") = "8"
    & skf18("5","5","4","1","7","10","1") = "9"
    & skf18("5","5","4","1","8","1","1") = "7"
    & skf18("5","5","4","1","8","2","1") = "7"
    & skf18("5","5","4","1","8","3","1") = "7"
    & skf18("5","5","4","1","8","4","1") = "7"
    & skf18("5","5","4","1","8","5","1") = "7"
    & skf18("5","5","4","1","8","6","1") = "7"
    & skf18("5","5","4","1","8","7","1") = "7"
    & skf18("5","5","4","1","8","8","1") = "7"
    & skf18("5","5","4","1","8","9","1") = "8"
    & skf18("5","5","4","1","8","10","1") = "9"
    & skf18("5","5","4","1","9","1","1") = "8"
    & skf18("5","5","4","1","9","2","1") = "8"
    & skf18("5","5","4","1","9","3","1") = "8"
    & skf18("5","5","4","1","9","4","1") = "8"
    & skf18("5","5","4","1","9","5","1") = "8"
    & skf18("5","5","4","1","9","6","1") = "8"
    & skf18("5","5","4","1","9","7","1") = "8"
    & skf18("5","5","4","1","9","8","1") = "8"
    & skf18("5","5","4","1","9","9","1") = "8"
    & skf18("5","5","4","1","9","10","1") = "9"
    & skf18("5","5","4","1","10","1","1") = "9"
    & skf18("5","5","4","1","10","2","1") = "9"
    & skf18("5","5","4","1","10","3","1") = "9"
    & skf18("5","5","4","1","10","4","1") = "9"
    & skf18("5","5","4","1","10","5","1") = "9"
    & skf18("5","5","4","1","10","6","1") = "9"
    & skf18("5","5","4","1","10","7","1") = "9"
    & skf18("5","5","4","1","10","8","1") = "9"
    & skf18("5","5","4","1","10","9","1") = "9"
    & skf18("5","5","4","1","10","10","1") = "9"
    & skf18("5","5","4","2","1","1","1") = "4"
    & skf18("5","5","4","2","1","2","1") = "4"
    & skf18("5","5","4","2","1","3","1") = "4"
    & skf18("5","5","4","2","1","4","1") = "4"
    & skf18("5","5","4","2","1","5","1") = "4"
    & skf18("5","5","4","2","1","6","1") = "5"
    & skf18("5","5","4","2","1","7","1") = "6"
    & skf18("5","5","4","2","1","8","1") = "7"
    & skf18("5","5","4","2","1","9","1") = "8"
    & skf18("5","5","4","2","1","10","1") = "9"
    & skf18("5","5","4","2","2","1","1") = "4"
    & skf18("5","5","4","2","2","2","1") = "4"
    & skf18("5","5","4","2","2","3","1") = "4"
    & skf18("5","5","4","2","2","4","1") = "4"
    & skf18("5","5","4","2","2","5","1") = "4"
    & skf18("5","5","4","2","2","6","1") = "5"
    & skf18("5","5","4","2","2","7","1") = "6"
    & skf18("5","5","4","2","2","8","1") = "7"
    & skf18("5","5","4","2","2","9","1") = "8"
    & skf18("5","5","4","2","2","10","1") = "9"
    & skf18("5","5","4","2","3","1","1") = "4"
    & skf18("5","5","4","2","3","2","1") = "4"
    & skf18("5","5","4","2","3","3","1") = "4"
    & skf18("5","5","4","2","3","4","1") = "4"
    & skf18("5","5","4","2","3","5","1") = "4"
    & skf18("5","5","4","2","3","6","1") = "5"
    & skf18("5","5","4","2","3","7","1") = "6"
    & skf18("5","5","4","2","3","8","1") = "7"
    & skf18("5","5","4","2","3","9","1") = "8"
    & skf18("5","5","4","2","3","10","1") = "9"
    & skf18("5","5","4","2","4","1","1") = "4"
    & skf18("5","5","4","2","4","2","1") = "4"
    & skf18("5","5","4","2","4","3","1") = "4"
    & skf18("5","5","4","2","4","4","1") = "4"
    & skf18("5","5","4","2","4","5","1") = "4"
    & skf18("5","5","4","2","4","6","1") = "5"
    & skf18("5","5","4","2","4","7","1") = "6"
    & skf18("5","5","4","2","4","8","1") = "7"
    & skf18("5","5","4","2","4","9","1") = "8"
    & skf18("5","5","4","2","4","10","1") = "9"
    & skf18("5","5","4","2","5","1","1") = "4"
    & skf18("5","5","4","2","5","2","1") = "4"
    & skf18("5","5","4","2","5","3","1") = "4"
    & skf18("5","5","4","2","5","4","1") = "4"
    & skf18("5","5","4","2","5","5","1") = "4"
    & skf18("5","5","4","2","5","6","1") = "5"
    & skf18("5","5","4","2","5","7","1") = "6"
    & skf18("5","5","4","2","5","8","1") = "7"
    & skf18("5","5","4","2","5","9","1") = "8"
    & skf18("5","5","4","2","5","10","1") = "9"
    & skf18("5","5","4","2","6","1","1") = "5"
    & skf18("5","5","4","2","6","2","1") = "5"
    & skf18("5","5","4","2","6","3","1") = "5"
    & skf18("5","5","4","2","6","4","1") = "5"
    & skf18("5","5","4","2","6","5","1") = "5"
    & skf18("5","5","4","2","6","6","1") = "5"
    & skf18("5","5","4","2","6","7","1") = "6"
    & skf18("5","5","4","2","6","8","1") = "7"
    & skf18("5","5","4","2","6","9","1") = "8"
    & skf18("5","5","4","2","6","10","1") = "9"
    & skf18("5","5","4","2","7","1","1") = "6"
    & skf18("5","5","4","2","7","2","1") = "6"
    & skf18("5","5","4","2","7","3","1") = "6"
    & skf18("5","5","4","2","7","4","1") = "6"
    & skf18("5","5","4","2","7","5","1") = "6"
    & skf18("5","5","4","2","7","6","1") = "6"
    & skf18("5","5","4","2","7","7","1") = "6"
    & skf18("5","5","4","2","7","8","1") = "7"
    & skf18("5","5","4","2","7","9","1") = "8"
    & skf18("5","5","4","2","7","10","1") = "9"
    & skf18("5","5","4","2","8","1","1") = "7"
    & skf18("5","5","4","2","8","2","1") = "7"
    & skf18("5","5","4","2","8","3","1") = "7"
    & skf18("5","5","4","2","8","4","1") = "7"
    & skf18("5","5","4","2","8","5","1") = "7"
    & skf18("5","5","4","2","8","6","1") = "7"
    & skf18("5","5","4","2","8","7","1") = "7"
    & skf18("5","5","4","2","8","8","1") = "7"
    & skf18("5","5","4","2","8","9","1") = "8"
    & skf18("5","5","4","2","8","10","1") = "9"
    & skf18("5","5","4","2","9","1","1") = "8"
    & skf18("5","5","4","2","9","2","1") = "8"
    & skf18("5","5","4","2","9","3","1") = "8"
    & skf18("5","5","4","2","9","4","1") = "8"
    & skf18("5","5","4","2","9","5","1") = "8"
    & skf18("5","5","4","2","9","6","1") = "8"
    & skf18("5","5","4","2","9","7","1") = "8"
    & skf18("5","5","4","2","9","8","1") = "8"
    & skf18("5","5","4","2","9","9","1") = "8"
    & skf18("5","5","4","2","9","10","1") = "9"
    & skf18("5","5","4","2","10","1","1") = "9"
    & skf18("5","5","4","2","10","2","1") = "9"
    & skf18("5","5","4","2","10","3","1") = "9"
    & skf18("5","5","4","2","10","4","1") = "9"
    & skf18("5","5","4","2","10","5","1") = "9"
    & skf18("5","5","4","2","10","6","1") = "9"
    & skf18("5","5","4","2","10","7","1") = "9"
    & skf18("5","5","4","2","10","8","1") = "9"
    & skf18("5","5","4","2","10","9","1") = "9"
    & skf18("5","5","4","2","10","10","1") = "9"
    & skf18("5","5","4","3","1","1","1") = "4"
    & skf18("5","5","4","3","1","2","1") = "4"
    & skf18("5","5","4","3","1","3","1") = "4"
    & skf18("5","5","4","3","1","4","1") = "4"
    & skf18("5","5","4","3","1","5","1") = "4"
    & skf18("5","5","4","3","1","6","1") = "5"
    & skf18("5","5","4","3","1","7","1") = "6"
    & skf18("5","5","4","3","1","8","1") = "7"
    & skf18("5","5","4","3","1","9","1") = "8"
    & skf18("5","5","4","3","1","10","1") = "9"
    & skf18("5","5","4","3","2","1","1") = "4"
    & skf18("5","5","4","3","2","2","1") = "4"
    & skf18("5","5","4","3","2","3","1") = "4"
    & skf18("5","5","4","3","2","4","1") = "4"
    & skf18("5","5","4","3","2","5","1") = "4"
    & skf18("5","5","4","3","2","6","1") = "5"
    & skf18("5","5","4","3","2","7","1") = "6"
    & skf18("5","5","4","3","2","8","1") = "7"
    & skf18("5","5","4","3","2","9","1") = "8"
    & skf18("5","5","4","3","2","10","1") = "9"
    & skf18("5","5","4","3","3","1","1") = "4"
    & skf18("5","5","4","3","3","2","1") = "4"
    & skf18("5","5","4","3","3","3","1") = "4"
    & skf18("5","5","4","3","3","4","1") = "4"
    & skf18("5","5","4","3","3","5","1") = "4"
    & skf18("5","5","4","3","3","6","1") = "5"
    & skf18("5","5","4","3","3","7","1") = "6"
    & skf18("5","5","4","3","3","8","1") = "7"
    & skf18("5","5","4","3","3","9","1") = "8"
    & skf18("5","5","4","3","3","10","1") = "9"
    & skf18("5","5","4","3","4","1","1") = "4"
    & skf18("5","5","4","3","4","2","1") = "4"
    & skf18("5","5","4","3","4","3","1") = "4"
    & skf18("5","5","4","3","4","4","1") = "4"
    & skf18("5","5","4","3","4","5","1") = "4"
    & skf18("5","5","4","3","4","6","1") = "5"
    & skf18("5","5","4","3","4","7","1") = "6"
    & skf18("5","5","4","3","4","8","1") = "7"
    & skf18("5","5","4","3","4","9","1") = "8"
    & skf18("5","5","4","3","4","10","1") = "9"
    & skf18("5","5","4","3","5","1","1") = "4"
    & skf18("5","5","4","3","5","2","1") = "4"
    & skf18("5","5","4","3","5","3","1") = "4"
    & skf18("5","5","4","3","5","4","1") = "4"
    & skf18("5","5","4","3","5","5","1") = "4"
    & skf18("5","5","4","3","5","6","1") = "5"
    & skf18("5","5","4","3","5","7","1") = "6"
    & skf18("5","5","4","3","5","8","1") = "7"
    & skf18("5","5","4","3","5","9","1") = "8"
    & skf18("5","5","4","3","5","10","1") = "9"
    & skf18("5","5","4","3","6","1","1") = "5"
    & skf18("5","5","4","3","6","2","1") = "5"
    & skf18("5","5","4","3","6","3","1") = "5"
    & skf18("5","5","4","3","6","4","1") = "5"
    & skf18("5","5","4","3","6","5","1") = "5"
    & skf18("5","5","4","3","6","6","1") = "5"
    & skf18("5","5","4","3","6","7","1") = "6"
    & skf18("5","5","4","3","6","8","1") = "7"
    & skf18("5","5","4","3","6","9","1") = "8"
    & skf18("5","5","4","3","6","10","1") = "9"
    & skf18("5","5","4","3","7","1","1") = "6"
    & skf18("5","5","4","3","7","2","1") = "6"
    & skf18("5","5","4","3","7","3","1") = "6"
    & skf18("5","5","4","3","7","4","1") = "6"
    & skf18("5","5","4","3","7","5","1") = "6"
    & skf18("5","5","4","3","7","6","1") = "6"
    & skf18("5","5","4","3","7","7","1") = "6"
    & skf18("5","5","4","3","7","8","1") = "7"
    & skf18("5","5","4","3","7","9","1") = "8"
    & skf18("5","5","4","3","7","10","1") = "9"
    & skf18("5","5","4","3","8","1","1") = "7"
    & skf18("5","5","4","3","8","2","1") = "7"
    & skf18("5","5","4","3","8","3","1") = "7"
    & skf18("5","5","4","3","8","4","1") = "7"
    & skf18("5","5","4","3","8","5","1") = "7"
    & skf18("5","5","4","3","8","6","1") = "7"
    & skf18("5","5","4","3","8","7","1") = "7"
    & skf18("5","5","4","3","8","8","1") = "7"
    & skf18("5","5","4","3","8","9","1") = "8"
    & skf18("5","5","4","3","8","10","1") = "9"
    & skf18("5","5","4","3","9","1","1") = "8"
    & skf18("5","5","4","3","9","2","1") = "8"
    & skf18("5","5","4","3","9","3","1") = "8"
    & skf18("5","5","4","3","9","4","1") = "8"
    & skf18("5","5","4","3","9","5","1") = "8"
    & skf18("5","5","4","3","9","6","1") = "8"
    & skf18("5","5","4","3","9","7","1") = "8"
    & skf18("5","5","4","3","9","8","1") = "8"
    & skf18("5","5","4","3","9","9","1") = "8"
    & skf18("5","5","4","3","9","10","1") = "9"
    & skf18("5","5","4","3","10","1","1") = "9"
    & skf18("5","5","4","3","10","2","1") = "9"
    & skf18("5","5","4","3","10","3","1") = "9"
    & skf18("5","5","4","3","10","4","1") = "9"
    & skf18("5","5","4","3","10","5","1") = "9"
    & skf18("5","5","4","3","10","6","1") = "9"
    & skf18("5","5","4","3","10","7","1") = "9"
    & skf18("5","5","4","3","10","8","1") = "9"
    & skf18("5","5","4","3","10","9","1") = "9"
    & skf18("5","5","4","3","10","10","1") = "9"
    & skf18("5","5","4","4","1","1","1") = "4"
    & skf18("5","5","4","4","1","2","1") = "4"
    & skf18("5","5","4","4","1","3","1") = "4"
    & skf18("5","5","4","4","1","4","1") = "4"
    & skf18("5","5","4","4","1","5","1") = "4"
    & skf18("5","5","4","4","1","6","1") = "5"
    & skf18("5","5","4","4","1","7","1") = "6"
    & skf18("5","5","4","4","1","8","1") = "7"
    & skf18("5","5","4","4","1","9","1") = "8"
    & skf18("5","5","4","4","1","10","1") = "9"
    & skf18("5","5","4","4","2","1","1") = "4"
    & skf18("5","5","4","4","2","2","1") = "4"
    & skf18("5","5","4","4","2","3","1") = "4"
    & skf18("5","5","4","4","2","4","1") = "4"
    & skf18("5","5","4","4","2","5","1") = "4"
    & skf18("5","5","4","4","2","6","1") = "5"
    & skf18("5","5","4","4","2","7","1") = "6"
    & skf18("5","5","4","4","2","8","1") = "7"
    & skf18("5","5","4","4","2","9","1") = "8"
    & skf18("5","5","4","4","2","10","1") = "9"
    & skf18("5","5","4","4","3","1","1") = "4"
    & skf18("5","5","4","4","3","2","1") = "4"
    & skf18("5","5","4","4","3","3","1") = "4"
    & skf18("5","5","4","4","3","4","1") = "4"
    & skf18("5","5","4","4","3","5","1") = "4"
    & skf18("5","5","4","4","3","6","1") = "5"
    & skf18("5","5","4","4","3","7","1") = "6"
    & skf18("5","5","4","4","3","8","1") = "7"
    & skf18("5","5","4","4","3","9","1") = "8"
    & skf18("5","5","4","4","3","10","1") = "9"
    & skf18("5","5","4","4","4","1","1") = "4"
    & skf18("5","5","4","4","4","2","1") = "4"
    & skf18("5","5","4","4","4","3","1") = "4"
    & skf18("5","5","4","4","4","4","1") = "4"
    & skf18("5","5","4","4","4","5","1") = "4"
    & skf18("5","5","4","4","4","6","1") = "5"
    & skf18("5","5","4","4","4","7","1") = "6"
    & skf18("5","5","4","4","4","8","1") = "7"
    & skf18("5","5","4","4","4","9","1") = "8"
    & skf18("5","5","4","4","4","10","1") = "9"
    & skf18("5","5","4","4","5","1","1") = "4"
    & skf18("5","5","4","4","5","2","1") = "4"
    & skf18("5","5","4","4","5","3","1") = "4"
    & skf18("5","5","4","4","5","4","1") = "4"
    & skf18("5","5","4","4","5","5","1") = "4"
    & skf18("5","5","4","4","5","6","1") = "5"
    & skf18("5","5","4","4","5","7","1") = "6"
    & skf18("5","5","4","4","5","8","1") = "7"
    & skf18("5","5","4","4","5","9","1") = "8"
    & skf18("5","5","4","4","5","10","1") = "9"
    & skf18("5","5","4","4","6","1","1") = "5"
    & skf18("5","5","4","4","6","2","1") = "5"
    & skf18("5","5","4","4","6","3","1") = "5"
    & skf18("5","5","4","4","6","4","1") = "5"
    & skf18("5","5","4","4","6","5","1") = "5"
    & skf18("5","5","4","4","6","6","1") = "5"
    & skf18("5","5","4","4","6","7","1") = "6"
    & skf18("5","5","4","4","6","8","1") = "7"
    & skf18("5","5","4","4","6","9","1") = "8"
    & skf18("5","5","4","4","6","10","1") = "9"
    & skf18("5","5","4","4","7","1","1") = "6"
    & skf18("5","5","4","4","7","2","1") = "6"
    & skf18("5","5","4","4","7","3","1") = "6"
    & skf18("5","5","4","4","7","4","1") = "6"
    & skf18("5","5","4","4","7","5","1") = "6"
    & skf18("5","5","4","4","7","6","1") = "6"
    & skf18("5","5","4","4","7","7","1") = "6"
    & skf18("5","5","4","4","7","8","1") = "7"
    & skf18("5","5","4","4","7","9","1") = "8"
    & skf18("5","5","4","4","7","10","1") = "9"
    & skf18("5","5","4","4","8","1","1") = "7"
    & skf18("5","5","4","4","8","2","1") = "7"
    & skf18("5","5","4","4","8","3","1") = "7"
    & skf18("5","5","4","4","8","4","1") = "7"
    & skf18("5","5","4","4","8","5","1") = "7"
    & skf18("5","5","4","4","8","6","1") = "7"
    & skf18("5","5","4","4","8","7","1") = "7"
    & skf18("5","5","4","4","8","8","1") = "7"
    & skf18("5","5","4","4","8","9","1") = "8"
    & skf18("5","5","4","4","8","10","1") = "9"
    & skf18("5","5","4","4","9","1","1") = "8"
    & skf18("5","5","4","4","9","2","1") = "8"
    & skf18("5","5","4","4","9","3","1") = "8"
    & skf18("5","5","4","4","9","4","1") = "8"
    & skf18("5","5","4","4","9","5","1") = "8"
    & skf18("5","5","4","4","9","6","1") = "8"
    & skf18("5","5","4","4","9","7","1") = "8"
    & skf18("5","5","4","4","9","8","1") = "8"
    & skf18("5","5","4","4","9","9","1") = "8"
    & skf18("5","5","4","4","9","10","1") = "9"
    & skf18("5","5","4","4","10","1","1") = "9"
    & skf18("5","5","4","4","10","2","1") = "9"
    & skf18("5","5","4","4","10","3","1") = "9"
    & skf18("5","5","4","4","10","4","1") = "9"
    & skf18("5","5","4","4","10","5","1") = "9"
    & skf18("5","5","4","4","10","6","1") = "9"
    & skf18("5","5","4","4","10","7","1") = "9"
    & skf18("5","5","4","4","10","8","1") = "9"
    & skf18("5","5","4","4","10","9","1") = "9"
    & skf18("5","5","4","4","10","10","1") = "9"
    & skf18("5","5","4","5","1","1","1") = "4"
    & skf18("5","5","4","5","1","2","1") = "4"
    & skf18("5","5","4","5","1","3","1") = "4"
    & skf18("5","5","4","5","1","4","1") = "4"
    & skf18("5","5","4","5","1","5","1") = "4"
    & skf18("5","5","4","5","1","6","1") = "5"
    & skf18("5","5","4","5","1","7","1") = "6"
    & skf18("5","5","4","5","1","8","1") = "7"
    & skf18("5","5","4","5","1","9","1") = "8"
    & skf18("5","5","4","5","1","10","1") = "9"
    & skf18("5","5","4","5","2","1","1") = "4"
    & skf18("5","5","4","5","2","2","1") = "4"
    & skf18("5","5","4","5","2","3","1") = "4"
    & skf18("5","5","4","5","2","4","1") = "3"
    & skf18("5","5","4","5","2","5","1") = "4"
    & skf18("5","5","4","5","2","6","1") = "5"
    & skf18("5","5","4","5","2","7","1") = "6"
    & skf18("5","5","4","5","2","8","1") = "7"
    & skf18("5","5","4","5","2","9","1") = "8"
    & skf18("5","5","4","5","2","10","1") = "9"
    & skf18("5","5","4","5","3","1","1") = "4"
    & skf18("5","5","4","5","3","2","1") = "4"
    & skf18("5","5","4","5","3","3","1") = "4"
    & skf18("5","5","4","5","3","4","1") = "4"
    & skf18("5","5","4","5","3","5","1") = "4"
    & skf18("5","5","4","5","3","6","1") = "5"
    & skf18("5","5","4","5","3","7","1") = "6"
    & skf18("5","5","4","5","3","8","1") = "7"
    & skf18("5","5","4","5","3","9","1") = "8"
    & skf18("5","5","4","5","3","10","1") = "9"
    & skf18("5","5","4","5","4","1","1") = "4"
    & skf18("5","5","4","5","4","2","1") = "4"
    & skf18("5","5","4","5","4","3","1") = "4"
    & skf18("5","5","4","5","4","4","1") = "4"
    & skf18("5","5","4","5","4","5","1") = "4"
    & skf18("5","5","4","5","4","6","1") = "5"
    & skf18("5","5","4","5","4","7","1") = "6"
    & skf18("5","5","4","5","4","8","1") = "7"
    & skf18("5","5","4","5","4","9","1") = "8"
    & skf18("5","5","4","5","4","10","1") = "9"
    & skf18("5","5","4","5","5","1","1") = "4"
    & skf18("5","5","4","5","5","2","1") = "4"
    & skf18("5","5","4","5","5","3","1") = "4"
    & skf18("5","5","4","5","5","4","1") = "4"
    & skf18("5","5","4","5","5","5","1") = "4"
    & skf18("5","5","4","5","5","6","1") = "5"
    & skf18("5","5","4","5","5","7","1") = "6"
    & skf18("5","5","4","5","5","8","1") = "7"
    & skf18("5","5","4","5","5","9","1") = "8"
    & skf18("5","5","4","5","5","10","1") = "9"
    & skf18("5","5","4","5","6","1","1") = "5"
    & skf18("5","5","4","5","6","2","1") = "5"
    & skf18("5","5","4","5","6","3","1") = "5"
    & skf18("5","5","4","5","6","4","1") = "5"
    & skf18("5","5","4","5","6","5","1") = "5"
    & skf18("5","5","4","5","6","6","1") = "5"
    & skf18("5","5","4","5","6","7","1") = "6"
    & skf18("5","5","4","5","6","8","1") = "7"
    & skf18("5","5","4","5","6","9","1") = "8"
    & skf18("5","5","4","5","6","10","1") = "9"
    & skf18("5","5","4","5","7","1","1") = "6"
    & skf18("5","5","4","5","7","2","1") = "6"
    & skf18("5","5","4","5","7","3","1") = "6"
    & skf18("5","5","4","5","7","4","1") = "6"
    & skf18("5","5","4","5","7","5","1") = "6"
    & skf18("5","5","4","5","7","6","1") = "6"
    & skf18("5","5","4","5","7","7","1") = "6"
    & skf18("5","5","4","5","7","8","1") = "7"
    & skf18("5","5","4","5","7","9","1") = "8"
    & skf18("5","5","4","5","7","10","1") = "9"
    & skf18("5","5","4","5","8","1","1") = "7"
    & skf18("5","5","4","5","8","2","1") = "7"
    & skf18("5","5","4","5","8","3","1") = "7"
    & skf18("5","5","4","5","8","4","1") = "7"
    & skf18("5","5","4","5","8","5","1") = "7"
    & skf18("5","5","4","5","8","6","1") = "7"
    & skf18("5","5","4","5","8","7","1") = "7"
    & skf18("5","5","4","5","8","8","1") = "7"
    & skf18("5","5","4","5","8","9","1") = "8"
    & skf18("5","5","4","5","8","10","1") = "9"
    & skf18("5","5","4","5","9","1","1") = "8"
    & skf18("5","5","4","5","9","2","1") = "8"
    & skf18("5","5","4","5","9","3","1") = "8"
    & skf18("5","5","4","5","9","4","1") = "8"
    & skf18("5","5","4","5","9","5","1") = "8"
    & skf18("5","5","4","5","9","6","1") = "8"
    & skf18("5","5","4","5","9","7","1") = "8"
    & skf18("5","5","4","5","9","8","1") = "8"
    & skf18("5","5","4","5","9","9","1") = "8"
    & skf18("5","5","4","5","9","10","1") = "9"
    & skf18("5","5","4","5","10","1","1") = "9"
    & skf18("5","5","4","5","10","2","1") = "9"
    & skf18("5","5","4","5","10","3","1") = "9"
    & skf18("5","5","4","5","10","4","1") = "9"
    & skf18("5","5","4","5","10","5","1") = "9"
    & skf18("5","5","4","5","10","6","1") = "9"
    & skf18("5","5","4","5","10","7","1") = "9"
    & skf18("5","5","4","5","10","8","1") = "9"
    & skf18("5","5","4","5","10","9","1") = "9"
    & skf18("5","5","4","5","10","10","1") = "9"
    & skf18("5","5","4","6","1","1","1") = "5"
    & skf18("5","5","4","6","1","2","1") = "5"
    & skf18("5","5","4","6","1","3","1") = "5"
    & skf18("5","5","4","6","1","4","1") = "5"
    & skf18("5","5","4","6","1","5","1") = "5"
    & skf18("5","5","4","6","1","6","1") = "5"
    & skf18("5","5","4","6","1","7","1") = "6"
    & skf18("5","5","4","6","1","8","1") = "7"
    & skf18("5","5","4","6","1","9","1") = "8"
    & skf18("5","5","4","6","1","10","1") = "9"
    & skf18("5","5","4","6","2","1","1") = "5"
    & skf18("5","5","4","6","2","2","1") = "5"
    & skf18("5","5","4","6","2","3","1") = "5"
    & skf18("5","5","4","6","2","4","1") = "5"
    & skf18("5","5","4","6","2","5","1") = "5"
    & skf18("5","5","4","6","2","6","1") = "5"
    & skf18("5","5","4","6","2","7","1") = "6"
    & skf18("5","5","4","6","2","8","1") = "7"
    & skf18("5","5","4","6","2","9","1") = "8"
    & skf18("5","5","4","6","2","10","1") = "9"
    & skf18("5","5","4","6","3","1","1") = "5"
    & skf18("5","5","4","6","3","2","1") = "5"
    & skf18("5","5","4","6","3","3","1") = "5"
    & skf18("5","5","4","6","3","4","1") = "5"
    & skf18("5","5","4","6","3","5","1") = "5"
    & skf18("5","5","4","6","3","6","1") = "5"
    & skf18("5","5","4","6","3","7","1") = "6"
    & skf18("5","5","4","6","3","8","1") = "7"
    & skf18("5","5","4","6","3","9","1") = "8"
    & skf18("5","5","4","6","3","10","1") = "9"
    & skf18("5","5","4","6","4","1","1") = "5"
    & skf18("5","5","4","6","4","2","1") = "5"
    & skf18("5","5","4","6","4","3","1") = "5"
    & skf18("5","5","4","6","4","4","1") = "5"
    & skf18("5","5","4","6","4","5","1") = "5"
    & skf18("5","5","4","6","4","6","1") = "5"
    & skf18("5","5","4","6","4","7","1") = "6"
    & skf18("5","5","4","6","4","8","1") = "7"
    & skf18("5","5","4","6","4","9","1") = "8"
    & skf18("5","5","4","6","4","10","1") = "9"
    & skf18("5","5","4","6","5","1","1") = "5"
    & skf18("5","5","4","6","5","2","1") = "5"
    & skf18("5","5","4","6","5","3","1") = "5"
    & skf18("5","5","4","6","5","4","1") = "5"
    & skf18("5","5","4","6","5","5","1") = "5"
    & skf18("5","5","4","6","5","6","1") = "5"
    & skf18("5","5","4","6","5","7","1") = "6"
    & skf18("5","5","4","6","5","8","1") = "7"
    & skf18("5","5","4","6","5","9","1") = "8"
    & skf18("5","5","4","6","5","10","1") = "9"
    & skf18("5","5","4","6","6","1","1") = "5"
    & skf18("5","5","4","6","6","2","1") = "5"
    & skf18("5","5","4","6","6","3","1") = "5"
    & skf18("5","5","4","6","6","4","1") = "5"
    & skf18("5","5","4","6","6","5","1") = "5"
    & skf18("5","5","4","6","6","6","1") = "5"
    & skf18("5","5","4","6","6","7","1") = "6"
    & skf18("5","5","4","6","6","8","1") = "7"
    & skf18("5","5","4","6","6","9","1") = "8"
    & skf18("5","5","4","6","6","10","1") = "9"
    & skf18("5","5","4","6","7","1","1") = "6"
    & skf18("5","5","4","6","7","2","1") = "6"
    & skf18("5","5","4","6","7","3","1") = "6"
    & skf18("5","5","4","6","7","4","1") = "6"
    & skf18("5","5","4","6","7","5","1") = "6"
    & skf18("5","5","4","6","7","6","1") = "6"
    & skf18("5","5","4","6","7","7","1") = "6"
    & skf18("5","5","4","6","7","8","1") = "7"
    & skf18("5","5","4","6","7","9","1") = "8"
    & skf18("5","5","4","6","7","10","1") = "9"
    & skf18("5","5","4","6","8","1","1") = "7"
    & skf18("5","5","4","6","8","2","1") = "7"
    & skf18("5","5","4","6","8","3","1") = "7"
    & skf18("5","5","4","6","8","4","1") = "7"
    & skf18("5","5","4","6","8","5","1") = "7"
    & skf18("5","5","4","6","8","6","1") = "7"
    & skf18("5","5","4","6","8","7","1") = "7"
    & skf18("5","5","4","6","8","8","1") = "7"
    & skf18("5","5","4","6","8","9","1") = "8"
    & skf18("5","5","4","6","8","10","1") = "9"
    & skf18("5","5","4","6","9","1","1") = "8"
    & skf18("5","5","4","6","9","2","1") = "8"
    & skf18("5","5","4","6","9","3","1") = "8"
    & skf18("5","5","4","6","9","4","1") = "8"
    & skf18("5","5","4","6","9","5","1") = "8"
    & skf18("5","5","4","6","9","6","1") = "8"
    & skf18("5","5","4","6","9","7","1") = "8"
    & skf18("5","5","4","6","9","8","1") = "8"
    & skf18("5","5","4","6","9","9","1") = "8"
    & skf18("5","5","4","6","9","10","1") = "9"
    & skf18("5","5","4","6","10","1","1") = "9"
    & skf18("5","5","4","6","10","2","1") = "9"
    & skf18("5","5","4","6","10","3","1") = "9"
    & skf18("5","5","4","6","10","4","1") = "9"
    & skf18("5","5","4","6","10","5","1") = "9"
    & skf18("5","5","4","6","10","6","1") = "9"
    & skf18("5","5","4","6","10","7","1") = "9"
    & skf18("5","5","4","6","10","8","1") = "9"
    & skf18("5","5","4","6","10","9","1") = "9"
    & skf18("5","5","4","6","10","10","1") = "9"
    & skf18("5","5","4","7","1","1","1") = "6"
    & skf18("5","5","4","7","1","2","1") = "6"
    & skf18("5","5","4","7","1","3","1") = "6"
    & skf18("5","5","4","7","1","4","1") = "6"
    & skf18("5","5","4","7","1","5","1") = "6"
    & skf18("5","5","4","7","1","6","1") = "6"
    & skf18("5","5","4","7","1","7","1") = "6"
    & skf18("5","5","4","7","1","8","1") = "7"
    & skf18("5","5","4","7","1","9","1") = "8"
    & skf18("5","5","4","7","1","10","1") = "9"
    & skf18("5","5","4","7","2","1","1") = "6"
    & skf18("5","5","4","7","2","2","1") = "6"
    & skf18("5","5","4","7","2","3","1") = "6"
    & skf18("5","5","4","7","2","4","1") = "6"
    & skf18("5","5","4","7","2","5","1") = "6"
    & skf18("5","5","4","7","2","6","1") = "6"
    & skf18("5","5","4","7","2","7","1") = "6"
    & skf18("5","5","4","7","2","8","1") = "7"
    & skf18("5","5","4","7","2","9","1") = "8"
    & skf18("5","5","4","7","2","10","1") = "9"
    & skf18("5","5","4","7","3","1","1") = "6"
    & skf18("5","5","4","7","3","2","1") = "6"
    & skf18("5","5","4","7","3","3","1") = "6"
    & skf18("5","5","4","7","3","4","1") = "6"
    & skf18("5","5","4","7","3","5","1") = "6"
    & skf18("5","5","4","7","3","6","1") = "6"
    & skf18("5","5","4","7","3","7","1") = "6"
    & skf18("5","5","4","7","3","8","1") = "7"
    & skf18("5","5","4","7","3","9","1") = "8"
    & skf18("5","5","4","7","3","10","1") = "9"
    & skf18("5","5","4","7","4","1","1") = "6"
    & skf18("5","5","4","7","4","2","1") = "6"
    & skf18("5","5","4","7","4","3","1") = "6"
    & skf18("5","5","4","7","4","4","1") = "6"
    & skf18("5","5","4","7","4","5","1") = "6"
    & skf18("5","5","4","7","4","6","1") = "6"
    & skf18("5","5","4","7","4","7","1") = "6"
    & skf18("5","5","4","7","4","8","1") = "7"
    & skf18("5","5","4","7","4","9","1") = "8"
    & skf18("5","5","4","7","4","10","1") = "9"
    & skf18("5","5","4","7","5","1","1") = "6"
    & skf18("5","5","4","7","5","2","1") = "6"
    & skf18("5","5","4","7","5","3","1") = "6"
    & skf18("5","5","4","7","5","4","1") = "6"
    & skf18("5","5","4","7","5","5","1") = "6"
    & skf18("5","5","4","7","5","6","1") = "6"
    & skf18("5","5","4","7","5","7","1") = "6"
    & skf18("5","5","4","7","5","8","1") = "7"
    & skf18("5","5","4","7","5","9","1") = "8"
    & skf18("5","5","4","7","5","10","1") = "9"
    & skf18("5","5","4","7","6","1","1") = "6"
    & skf18("5","5","4","7","6","2","1") = "6"
    & skf18("5","5","4","7","6","3","1") = "6"
    & skf18("5","5","4","7","6","4","1") = "6"
    & skf18("5","5","4","7","6","5","1") = "6"
    & skf18("5","5","4","7","6","6","1") = "6"
    & skf18("5","5","4","7","6","7","1") = "6"
    & skf18("5","5","4","7","6","8","1") = "7"
    & skf18("5","5","4","7","6","9","1") = "8"
    & skf18("5","5","4","7","6","10","1") = "9"
    & skf18("5","5","4","7","7","1","1") = "6"
    & skf18("5","5","4","7","7","2","1") = "6"
    & skf18("5","5","4","7","7","3","1") = "6"
    & skf18("5","5","4","7","7","4","1") = "6"
    & skf18("5","5","4","7","7","5","1") = "6"
    & skf18("5","5","4","7","7","6","1") = "6"
    & skf18("5","5","4","7","7","7","1") = "6"
    & skf18("5","5","4","7","7","8","1") = "7"
    & skf18("5","5","4","7","7","9","1") = "8"
    & skf18("5","5","4","7","7","10","1") = "9"
    & skf18("5","5","4","7","8","1","1") = "7"
    & skf18("5","5","4","7","8","2","1") = "7"
    & skf18("5","5","4","7","8","3","1") = "7"
    & skf18("5","5","4","7","8","4","1") = "7"
    & skf18("5","5","4","7","8","5","1") = "7"
    & skf18("5","5","4","7","8","6","1") = "7"
    & skf18("5","5","4","7","8","7","1") = "7"
    & skf18("5","5","4","7","8","8","1") = "7"
    & skf18("5","5","4","7","8","9","1") = "8"
    & skf18("5","5","4","7","8","10","1") = "9"
    & skf18("5","5","4","7","9","1","1") = "8"
    & skf18("5","5","4","7","9","2","1") = "8"
    & skf18("5","5","4","7","9","3","1") = "8"
    & skf18("5","5","4","7","9","4","1") = "8"
    & skf18("5","5","4","7","9","5","1") = "8"
    & skf18("5","5","4","7","9","6","1") = "8"
    & skf18("5","5","4","7","9","7","1") = "8"
    & skf18("5","5","4","7","9","8","1") = "8"
    & skf18("5","5","4","7","9","9","1") = "8"
    & skf18("5","5","4","7","9","10","1") = "9"
    & skf18("5","5","4","7","10","1","1") = "9"
    & skf18("5","5","4","7","10","2","1") = "9"
    & skf18("5","5","4","7","10","3","1") = "9"
    & skf18("5","5","4","7","10","4","1") = "9"
    & skf18("5","5","4","7","10","5","1") = "9"
    & skf18("5","5","4","7","10","6","1") = "9"
    & skf18("5","5","4","7","10","7","1") = "9"
    & skf18("5","5","4","7","10","8","1") = "9"
    & skf18("5","5","4","7","10","9","1") = "9"
    & skf18("5","5","4","7","10","10","1") = "9"
    & skf18("5","5","4","8","1","1","1") = "7"
    & skf18("5","5","4","8","1","2","1") = "7"
    & skf18("5","5","4","8","1","3","1") = "7"
    & skf18("5","5","4","8","1","4","1") = "7"
    & skf18("5","5","4","8","1","5","1") = "7"
    & skf18("5","5","4","8","1","6","1") = "7"
    & skf18("5","5","4","8","1","7","1") = "7"
    & skf18("5","5","4","8","1","8","1") = "7"
    & skf18("5","5","4","8","1","9","1") = "8"
    & skf18("5","5","4","8","1","10","1") = "9"
    & skf18("5","5","4","8","2","1","1") = "7"
    & skf18("5","5","4","8","2","2","1") = "7"
    & skf18("5","5","4","8","2","3","1") = "7"
    & skf18("5","5","4","8","2","4","1") = "7"
    & skf18("5","5","4","8","2","5","1") = "7"
    & skf18("5","5","4","8","2","6","1") = "7"
    & skf18("5","5","4","8","2","7","1") = "7"
    & skf18("5","5","4","8","2","8","1") = "7"
    & skf18("5","5","4","8","2","9","1") = "8"
    & skf18("5","5","4","8","2","10","1") = "9"
    & skf18("5","5","4","8","3","1","1") = "7"
    & skf18("5","5","4","8","3","2","1") = "7"
    & skf18("5","5","4","8","3","3","1") = "7"
    & skf18("5","5","4","8","3","4","1") = "7"
    & skf18("5","5","4","8","3","5","1") = "7"
    & skf18("5","5","4","8","3","6","1") = "7"
    & skf18("5","5","4","8","3","7","1") = "7"
    & skf18("5","5","4","8","3","8","1") = "7"
    & skf18("5","5","4","8","3","9","1") = "8"
    & skf18("5","5","4","8","3","10","1") = "9"
    & skf18("5","5","4","8","4","1","1") = "7"
    & skf18("5","5","4","8","4","2","1") = "7"
    & skf18("5","5","4","8","4","3","1") = "7"
    & skf18("5","5","4","8","4","4","1") = "7"
    & skf18("5","5","4","8","4","5","1") = "7"
    & skf18("5","5","4","8","4","6","1") = "7"
    & skf18("5","5","4","8","4","7","1") = "7"
    & skf18("5","5","4","8","4","8","1") = "7"
    & skf18("5","5","4","8","4","9","1") = "8"
    & skf18("5","5","4","8","4","10","1") = "9"
    & skf18("5","5","4","8","5","1","1") = "7"
    & skf18("5","5","4","8","5","2","1") = "7"
    & skf18("5","5","4","8","5","3","1") = "7"
    & skf18("5","5","4","8","5","4","1") = "7"
    & skf18("5","5","4","8","5","5","1") = "7"
    & skf18("5","5","4","8","5","6","1") = "7"
    & skf18("5","5","4","8","5","7","1") = "7"
    & skf18("5","5","4","8","5","8","1") = "7"
    & skf18("5","5","4","8","5","9","1") = "8"
    & skf18("5","5","4","8","5","10","1") = "9"
    & skf18("5","5","4","8","6","1","1") = "7"
    & skf18("5","5","4","8","6","2","1") = "7"
    & skf18("5","5","4","8","6","3","1") = "7"
    & skf18("5","5","4","8","6","4","1") = "7"
    & skf18("5","5","4","8","6","5","1") = "7"
    & skf18("5","5","4","8","6","6","1") = "7"
    & skf18("5","5","4","8","6","7","1") = "7"
    & skf18("5","5","4","8","6","8","1") = "7"
    & skf18("5","5","4","8","6","9","1") = "8"
    & skf18("5","5","4","8","6","10","1") = "9"
    & skf18("5","5","4","8","7","1","1") = "7"
    & skf18("5","5","4","8","7","2","1") = "7"
    & skf18("5","5","4","8","7","3","1") = "7"
    & skf18("5","5","4","8","7","4","1") = "7"
    & skf18("5","5","4","8","7","5","1") = "7"
    & skf18("5","5","4","8","7","6","1") = "7"
    & skf18("5","5","4","8","7","7","1") = "7"
    & skf18("5","5","4","8","7","8","1") = "7"
    & skf18("5","5","4","8","7","9","1") = "8"
    & skf18("5","5","4","8","7","10","1") = "9"
    & skf18("5","5","4","8","8","1","1") = "7"
    & skf18("5","5","4","8","8","2","1") = "7"
    & skf18("5","5","4","8","8","3","1") = "7"
    & skf18("5","5","4","8","8","4","1") = "7"
    & skf18("5","5","4","8","8","5","1") = "7"
    & skf18("5","5","4","8","8","6","1") = "7"
    & skf18("5","5","4","8","8","7","1") = "7"
    & skf18("5","5","4","8","8","8","1") = "7"
    & skf18("5","5","4","8","8","9","1") = "8"
    & skf18("5","5","4","8","8","10","1") = "9"
    & skf18("5","5","4","8","9","1","1") = "8"
    & skf18("5","5","4","8","9","2","1") = "8"
    & skf18("5","5","4","8","9","3","1") = "8"
    & skf18("5","5","4","8","9","4","1") = "8"
    & skf18("5","5","4","8","9","5","1") = "8"
    & skf18("5","5","4","8","9","6","1") = "8"
    & skf18("5","5","4","8","9","7","1") = "8"
    & skf18("5","5","4","8","9","8","1") = "8"
    & skf18("5","5","4","8","9","9","1") = "8"
    & skf18("5","5","4","8","9","10","1") = "9"
    & skf18("5","5","4","8","10","1","1") = "9"
    & skf18("5","5","4","8","10","2","1") = "9"
    & skf18("5","5","4","8","10","3","1") = "9"
    & skf18("5","5","4","8","10","4","1") = "9"
    & skf18("5","5","4","8","10","5","1") = "9"
    & skf18("5","5","4","8","10","6","1") = "9"
    & skf18("5","5","4","8","10","7","1") = "9"
    & skf18("5","5","4","8","10","8","1") = "9"
    & skf18("5","5","4","8","10","9","1") = "9"
    & skf18("5","5","4","8","10","10","1") = "9"
    & skf18("5","5","4","9","1","1","1") = "8"
    & skf18("5","5","4","9","1","2","1") = "8"
    & skf18("5","5","4","9","1","3","1") = "8"
    & skf18("5","5","4","9","1","4","1") = "8"
    & skf18("5","5","4","9","1","5","1") = "8"
    & skf18("5","5","4","9","1","6","1") = "8"
    & skf18("5","5","4","9","1","7","1") = "8"
    & skf18("5","5","4","9","1","8","1") = "8"
    & skf18("5","5","4","9","1","9","1") = "8"
    & skf18("5","5","4","9","1","10","1") = "9"
    & skf18("5","5","4","9","2","1","1") = "8"
    & skf18("5","5","4","9","2","2","1") = "8"
    & skf18("5","5","4","9","2","3","1") = "8"
    & skf18("5","5","4","9","2","4","1") = "8"
    & skf18("5","5","4","9","2","5","1") = "8"
    & skf18("5","5","4","9","2","6","1") = "8"
    & skf18("5","5","4","9","2","7","1") = "8"
    & skf18("5","5","4","9","2","8","1") = "8"
    & skf18("5","5","4","9","2","9","1") = "8"
    & skf18("5","5","4","9","2","10","1") = "9"
    & skf18("5","5","4","9","3","1","1") = "8"
    & skf18("5","5","4","9","3","2","1") = "8"
    & skf18("5","5","4","9","3","3","1") = "8"
    & skf18("5","5","4","9","3","4","1") = "8"
    & skf18("5","5","4","9","3","5","1") = "8"
    & skf18("5","5","4","9","3","6","1") = "8"
    & skf18("5","5","4","9","3","7","1") = "8"
    & skf18("5","5","4","9","3","8","1") = "8"
    & skf18("5","5","4","9","3","9","1") = "8"
    & skf18("5","5","4","9","3","10","1") = "9"
    & skf18("5","5","4","9","4","1","1") = "8"
    & skf18("5","5","4","9","4","2","1") = "8"
    & skf18("5","5","4","9","4","3","1") = "8"
    & skf18("5","5","4","9","4","4","1") = "8"
    & skf18("5","5","4","9","4","5","1") = "8"
    & skf18("5","5","4","9","4","6","1") = "8"
    & skf18("5","5","4","9","4","7","1") = "8"
    & skf18("5","5","4","9","4","8","1") = "8"
    & skf18("5","5","4","9","4","9","1") = "8"
    & skf18("5","5","4","9","4","10","1") = "9"
    & skf18("5","5","4","9","5","1","1") = "8"
    & skf18("5","5","4","9","5","2","1") = "8"
    & skf18("5","5","4","9","5","3","1") = "8"
    & skf18("5","5","4","9","5","4","1") = "8"
    & skf18("5","5","4","9","5","5","1") = "8"
    & skf18("5","5","4","9","5","6","1") = "8"
    & skf18("5","5","4","9","5","7","1") = "8"
    & skf18("5","5","4","9","5","8","1") = "8"
    & skf18("5","5","4","9","5","9","1") = "8"
    & skf18("5","5","4","9","5","10","1") = "9"
    & skf18("5","5","4","9","6","1","1") = "8"
    & skf18("5","5","4","9","6","2","1") = "8"
    & skf18("5","5","4","9","6","3","1") = "8"
    & skf18("5","5","4","9","6","4","1") = "8"
    & skf18("5","5","4","9","6","5","1") = "8"
    & skf18("5","5","4","9","6","6","1") = "8"
    & skf18("5","5","4","9","6","7","1") = "8"
    & skf18("5","5","4","9","6","8","1") = "8"
    & skf18("5","5","4","9","6","9","1") = "8"
    & skf18("5","5","4","9","6","10","1") = "9"
    & skf18("5","5","4","9","7","1","1") = "8"
    & skf18("5","5","4","9","7","2","1") = "8"
    & skf18("5","5","4","9","7","3","1") = "8"
    & skf18("5","5","4","9","7","4","1") = "8"
    & skf18("5","5","4","9","7","5","1") = "8"
    & skf18("5","5","4","9","7","6","1") = "8"
    & skf18("5","5","4","9","7","7","1") = "8"
    & skf18("5","5","4","9","7","8","1") = "8"
    & skf18("5","5","4","9","7","9","1") = "8"
    & skf18("5","5","4","9","7","10","1") = "9"
    & skf18("5","5","4","9","8","1","1") = "8"
    & skf18("5","5","4","9","8","2","1") = "8"
    & skf18("5","5","4","9","8","3","1") = "8"
    & skf18("5","5","4","9","8","4","1") = "8"
    & skf18("5","5","4","9","8","5","1") = "8"
    & skf18("5","5","4","9","8","6","1") = "8"
    & skf18("5","5","4","9","8","7","1") = "8"
    & skf18("5","5","4","9","8","8","1") = "8"
    & skf18("5","5","4","9","8","9","1") = "8"
    & skf18("5","5","4","9","8","10","1") = "9"
    & skf18("5","5","4","9","9","1","1") = "8"
    & skf18("5","5","4","9","9","2","1") = "8"
    & skf18("5","5","4","9","9","3","1") = "8"
    & skf18("5","5","4","9","9","4","1") = "8"
    & skf18("5","5","4","9","9","5","1") = "8"
    & skf18("5","5","4","9","9","6","1") = "8"
    & skf18("5","5","4","9","9","7","1") = "8"
    & skf18("5","5","4","9","9","8","1") = "8"
    & skf18("5","5","4","9","9","9","1") = "8"
    & skf18("5","5","4","9","9","10","1") = "9"
    & skf18("5","5","4","9","10","1","1") = "9"
    & skf18("5","5","4","9","10","2","1") = "9"
    & skf18("5","5","4","9","10","3","1") = "9"
    & skf18("5","5","4","9","10","4","1") = "9"
    & skf18("5","5","4","9","10","5","1") = "9"
    & skf18("5","5","4","9","10","6","1") = "9"
    & skf18("5","5","4","9","10","7","1") = "9"
    & skf18("5","5","4","9","10","8","1") = "9"
    & skf18("5","5","4","9","10","9","1") = "9"
    & skf18("5","5","4","9","10","10","1") = "9"
    & skf18("5","5","4","10","1","1","1") = "9"
    & skf18("5","5","4","10","1","2","1") = "9"
    & skf18("5","5","4","10","1","3","1") = "9"
    & skf18("5","5","4","10","1","4","1") = "9"
    & skf18("5","5","4","10","1","5","1") = "9"
    & skf18("5","5","4","10","1","6","1") = "9"
    & skf18("5","5","4","10","1","7","1") = "9"
    & skf18("5","5","4","10","1","8","1") = "9"
    & skf18("5","5","4","10","1","9","1") = "9"
    & skf18("5","5","4","10","1","10","1") = "9"
    & skf18("5","5","4","10","2","1","1") = "9"
    & skf18("5","5","4","10","2","2","1") = "9"
    & skf18("5","5","4","10","2","3","1") = "9"
    & skf18("5","5","4","10","2","4","1") = "9"
    & skf18("5","5","4","10","2","5","1") = "9"
    & skf18("5","5","4","10","2","6","1") = "9"
    & skf18("5","5","4","10","2","7","1") = "9"
    & skf18("5","5","4","10","2","8","1") = "9"
    & skf18("5","5","4","10","2","9","1") = "9"
    & skf18("5","5","4","10","2","10","1") = "9"
    & skf18("5","5","4","10","3","1","1") = "9"
    & skf18("5","5","4","10","3","2","1") = "9"
    & skf18("5","5","4","10","3","3","1") = "9"
    & skf18("5","5","4","10","3","4","1") = "9"
    & skf18("5","5","4","10","3","5","1") = "9"
    & skf18("5","5","4","10","3","6","1") = "9"
    & skf18("5","5","4","10","3","7","1") = "9"
    & skf18("5","5","4","10","3","8","1") = "9"
    & skf18("5","5","4","10","3","9","1") = "9"
    & skf18("5","5","4","10","3","10","1") = "9"
    & skf18("5","5","4","10","4","1","1") = "9"
    & skf18("5","5","4","10","4","2","1") = "9"
    & skf18("5","5","4","10","4","3","1") = "9"
    & skf18("5","5","4","10","4","4","1") = "9"
    & skf18("5","5","4","10","4","5","1") = "9"
    & skf18("5","5","4","10","4","6","1") = "9"
    & skf18("5","5","4","10","4","7","1") = "9"
    & skf18("5","5","4","10","4","8","1") = "9"
    & skf18("5","5","4","10","4","9","1") = "9"
    & skf18("5","5","4","10","4","10","1") = "9"
    & skf18("5","5","4","10","5","1","1") = "9"
    & skf18("5","5","4","10","5","2","1") = "9"
    & skf18("5","5","4","10","5","3","1") = "9"
    & skf18("5","5","4","10","5","4","1") = "9"
    & skf18("5","5","4","10","5","5","1") = "9"
    & skf18("5","5","4","10","5","6","1") = "9"
    & skf18("5","5","4","10","5","7","1") = "9"
    & skf18("5","5","4","10","5","8","1") = "9"
    & skf18("5","5","4","10","5","9","1") = "9"
    & skf18("5","5","4","10","5","10","1") = "9"
    & skf18("5","5","4","10","6","1","1") = "9"
    & skf18("5","5","4","10","6","2","1") = "9"
    & skf18("5","5","4","10","6","3","1") = "9"
    & skf18("5","5","4","10","6","4","1") = "9"
    & skf18("5","5","4","10","6","5","1") = "9"
    & skf18("5","5","4","10","6","6","1") = "9"
    & skf18("5","5","4","10","6","7","1") = "9"
    & skf18("5","5","4","10","6","8","1") = "9"
    & skf18("5","5","4","10","6","9","1") = "9"
    & skf18("5","5","4","10","6","10","1") = "9"
    & skf18("5","5","4","10","7","1","1") = "9"
    & skf18("5","5","4","10","7","2","1") = "9"
    & skf18("5","5","4","10","7","3","1") = "9"
    & skf18("5","5","4","10","7","4","1") = "9"
    & skf18("5","5","4","10","7","5","1") = "9"
    & skf18("5","5","4","10","7","6","1") = "9"
    & skf18("5","5","4","10","7","7","1") = "9"
    & skf18("5","5","4","10","7","8","1") = "9"
    & skf18("5","5","4","10","7","9","1") = "9"
    & skf18("5","5","4","10","7","10","1") = "9"
    & skf18("5","5","4","10","8","1","1") = "9"
    & skf18("5","5","4","10","8","2","1") = "9"
    & skf18("5","5","4","10","8","3","1") = "9"
    & skf18("5","5","4","10","8","4","1") = "9"
    & skf18("5","5","4","10","8","5","1") = "9"
    & skf18("5","5","4","10","8","6","1") = "9"
    & skf18("5","5","4","10","8","7","1") = "9"
    & skf18("5","5","4","10","8","8","1") = "9"
    & skf18("5","5","4","10","8","9","1") = "9"
    & skf18("5","5","4","10","8","10","1") = "9"
    & skf18("5","5","4","10","9","1","1") = "9"
    & skf18("5","5","4","10","9","2","1") = "9"
    & skf18("5","5","4","10","9","3","1") = "9"
    & skf18("5","5","4","10","9","4","1") = "9"
    & skf18("5","5","4","10","9","5","1") = "9"
    & skf18("5","5","4","10","9","6","1") = "9"
    & skf18("5","5","4","10","9","7","1") = "9"
    & skf18("5","5","4","10","9","8","1") = "9"
    & skf18("5","5","4","10","9","9","1") = "9"
    & skf18("5","5","4","10","9","10","1") = "9"
    & skf18("5","5","4","10","10","1","1") = "9"
    & skf18("5","5","4","10","10","2","1") = "9"
    & skf18("5","5","4","10","10","3","1") = "9"
    & skf18("5","5","4","10","10","4","1") = "9"
    & skf18("5","5","4","10","10","5","1") = "9"
    & skf18("5","5","4","10","10","6","1") = "9"
    & skf18("5","5","4","10","10","7","1") = "9"
    & skf18("5","5","4","10","10","8","1") = "9"
    & skf18("5","5","4","10","10","9","1") = "9"
    & skf18("5","5","4","10","10","10","1") = "9"
    & skf18("5","5","5","1","1","1","1") = "4"
    & skf18("5","5","5","1","1","2","1") = "4"
    & skf18("5","5","5","1","1","3","1") = "4"
    & skf18("5","5","5","1","1","4","1") = "4"
    & skf18("5","5","5","1","1","5","1") = "4"
    & skf18("5","5","5","1","1","6","1") = "5"
    & skf18("5","5","5","1","1","7","1") = "6"
    & skf18("5","5","5","1","1","8","1") = "7"
    & skf18("5","5","5","1","1","9","1") = "8"
    & skf18("5","5","5","1","1","10","1") = "9"
    & skf18("5","5","5","1","2","1","1") = "4"
    & skf18("5","5","5","1","2","2","1") = "4"
    & skf18("5","5","5","1","2","3","1") = "4"
    & skf18("5","5","5","1","2","4","1") = "4"
    & skf18("5","5","5","1","2","5","1") = "4"
    & skf18("5","5","5","1","2","6","1") = "5"
    & skf18("5","5","5","1","2","7","1") = "6"
    & skf18("5","5","5","1","2","8","1") = "7"
    & skf18("5","5","5","1","2","9","1") = "8"
    & skf18("5","5","5","1","2","10","1") = "9"
    & skf18("5","5","5","1","3","1","1") = "4"
    & skf18("5","5","5","1","3","2","1") = "4"
    & skf18("5","5","5","1","3","3","1") = "4"
    & skf18("5","5","5","1","3","4","1") = "4"
    & skf18("5","5","5","1","3","5","1") = "4"
    & skf18("5","5","5","1","3","6","1") = "5"
    & skf18("5","5","5","1","3","7","1") = "6"
    & skf18("5","5","5","1","3","8","1") = "7"
    & skf18("5","5","5","1","3","9","1") = "8"
    & skf18("5","5","5","1","3","10","1") = "9"
    & skf18("5","5","5","1","4","1","1") = "4"
    & skf18("5","5","5","1","4","2","1") = "4"
    & skf18("5","5","5","1","4","3","1") = "4"
    & skf18("5","5","5","1","4","4","1") = "4"
    & skf18("5","5","5","1","4","5","1") = "4"
    & skf18("5","5","5","1","4","6","1") = "5"
    & skf18("5","5","5","1","4","7","1") = "6"
    & skf18("5","5","5","1","4","8","1") = "7"
    & skf18("5","5","5","1","4","9","1") = "8"
    & skf18("5","5","5","1","4","10","1") = "9"
    & skf18("5","5","5","1","5","1","1") = "4"
    & skf18("5","5","5","1","5","2","1") = "4"
    & skf18("5","5","5","1","5","3","1") = "4"
    & skf18("5","5","5","1","5","4","1") = "4"
    & skf18("5","5","5","1","5","5","1") = "4"
    & skf18("5","5","5","1","5","6","1") = "5"
    & skf18("5","5","5","1","5","7","1") = "6"
    & skf18("5","5","5","1","5","8","1") = "7"
    & skf18("5","5","5","1","5","9","1") = "8"
    & skf18("5","5","5","1","5","10","1") = "9"
    & skf18("5","5","5","1","6","1","1") = "5"
    & skf18("5","5","5","1","6","2","1") = "5"
    & skf18("5","5","5","1","6","3","1") = "5"
    & skf18("5","5","5","1","6","4","1") = "5"
    & skf18("5","5","5","1","6","5","1") = "5"
    & skf18("5","5","5","1","6","6","1") = "5"
    & skf18("5","5","5","1","6","7","1") = "6"
    & skf18("5","5","5","1","6","8","1") = "7"
    & skf18("5","5","5","1","6","9","1") = "8"
    & skf18("5","5","5","1","6","10","1") = "9"
    & skf18("5","5","5","1","7","1","1") = "6"
    & skf18("5","5","5","1","7","2","1") = "6"
    & skf18("5","5","5","1","7","3","1") = "6"
    & skf18("5","5","5","1","7","4","1") = "6"
    & skf18("5","5","5","1","7","5","1") = "6"
    & skf18("5","5","5","1","7","6","1") = "6"
    & skf18("5","5","5","1","7","7","1") = "6"
    & skf18("5","5","5","1","7","8","1") = "7"
    & skf18("5","5","5","1","7","9","1") = "8"
    & skf18("5","5","5","1","7","10","1") = "9"
    & skf18("5","5","5","1","8","1","1") = "7"
    & skf18("5","5","5","1","8","2","1") = "7"
    & skf18("5","5","5","1","8","3","1") = "7"
    & skf18("5","5","5","1","8","4","1") = "7"
    & skf18("5","5","5","1","8","5","1") = "7"
    & skf18("5","5","5","1","8","6","1") = "7"
    & skf18("5","5","5","1","8","7","1") = "7"
    & skf18("5","5","5","1","8","8","1") = "7"
    & skf18("5","5","5","1","8","9","1") = "8"
    & skf18("5","5","5","1","8","10","1") = "9"
    & skf18("5","5","5","1","9","1","1") = "8"
    & skf18("5","5","5","1","9","2","1") = "8"
    & skf18("5","5","5","1","9","3","1") = "8"
    & skf18("5","5","5","1","9","4","1") = "8"
    & skf18("5","5","5","1","9","5","1") = "8"
    & skf18("5","5","5","1","9","6","1") = "8"
    & skf18("5","5","5","1","9","7","1") = "8"
    & skf18("5","5","5","1","9","8","1") = "8"
    & skf18("5","5","5","1","9","9","1") = "8"
    & skf18("5","5","5","1","9","10","1") = "9"
    & skf18("5","5","5","1","10","1","1") = "9"
    & skf18("5","5","5","1","10","2","1") = "9"
    & skf18("5","5","5","1","10","3","1") = "9"
    & skf18("5","5","5","1","10","4","1") = "9"
    & skf18("5","5","5","1","10","5","1") = "9"
    & skf18("5","5","5","1","10","6","1") = "9"
    & skf18("5","5","5","1","10","7","1") = "9"
    & skf18("5","5","5","1","10","8","1") = "9"
    & skf18("5","5","5","1","10","9","1") = "9"
    & skf18("5","5","5","1","10","10","1") = "9"
    & skf18("5","5","5","2","1","1","1") = "4"
    & skf18("5","5","5","2","1","2","1") = "4"
    & skf18("5","5","5","2","1","3","1") = "4"
    & skf18("5","5","5","2","1","4","1") = "4"
    & skf18("5","5","5","2","1","5","1") = "4"
    & skf18("5","5","5","2","1","6","1") = "5"
    & skf18("5","5","5","2","1","7","1") = "6"
    & skf18("5","5","5","2","1","8","1") = "7"
    & skf18("5","5","5","2","1","9","1") = "8"
    & skf18("5","5","5","2","1","10","1") = "9"
    & skf18("5","5","5","2","2","1","1") = "4"
    & skf18("5","5","5","2","2","2","1") = "4"
    & skf18("5","5","5","2","2","3","1") = "4"
    & skf18("5","5","5","2","2","4","1") = "4"
    & skf18("5","5","5","2","2","5","1") = "4"
    & skf18("5","5","5","2","2","6","1") = "5"
    & skf18("5","5","5","2","2","7","1") = "6"
    & skf18("5","5","5","2","2","8","1") = "7"
    & skf18("5","5","5","2","2","9","1") = "8"
    & skf18("5","5","5","2","2","10","1") = "9"
    & skf18("5","5","5","2","3","1","1") = "4"
    & skf18("5","5","5","2","3","2","1") = "4"
    & skf18("5","5","5","2","3","3","1") = "4"
    & skf18("5","5","5","2","3","4","1") = "4"
    & skf18("5","5","5","2","3","5","1") = "4"
    & skf18("5","5","5","2","3","6","1") = "5"
    & skf18("5","5","5","2","3","7","1") = "6"
    & skf18("5","5","5","2","3","8","1") = "7"
    & skf18("5","5","5","2","3","9","1") = "8"
    & skf18("5","5","5","2","3","10","1") = "9"
    & skf18("5","5","5","2","4","1","1") = "4"
    & skf18("5","5","5","2","4","2","1") = "4"
    & skf18("5","5","5","2","4","3","1") = "4"
    & skf18("5","5","5","2","4","4","1") = "4"
    & skf18("5","5","5","2","4","5","1") = "4"
    & skf18("5","5","5","2","4","6","1") = "5"
    & skf18("5","5","5","2","4","7","1") = "6"
    & skf18("5","5","5","2","4","8","1") = "7"
    & skf18("5","5","5","2","4","9","1") = "8"
    & skf18("5","5","5","2","4","10","1") = "9"
    & skf18("5","5","5","2","5","1","1") = "4"
    & skf18("5","5","5","2","5","2","1") = "4"
    & skf18("5","5","5","2","5","3","1") = "4"
    & skf18("5","5","5","2","5","4","1") = "4"
    & skf18("5","5","5","2","5","5","1") = "4"
    & skf18("5","5","5","2","5","6","1") = "5"
    & skf18("5","5","5","2","5","7","1") = "6"
    & skf18("5","5","5","2","5","8","1") = "7"
    & skf18("5","5","5","2","5","9","1") = "8"
    & skf18("5","5","5","2","5","10","1") = "9"
    & skf18("5","5","5","2","6","1","1") = "5"
    & skf18("5","5","5","2","6","2","1") = "5"
    & skf18("5","5","5","2","6","3","1") = "5"
    & skf18("5","5","5","2","6","4","1") = "5"
    & skf18("5","5","5","2","6","5","1") = "5"
    & skf18("5","5","5","2","6","6","1") = "5"
    & skf18("5","5","5","2","6","7","1") = "6"
    & skf18("5","5","5","2","6","8","1") = "7"
    & skf18("5","5","5","2","6","9","1") = "8"
    & skf18("5","5","5","2","6","10","1") = "9"
    & skf18("5","5","5","2","7","1","1") = "6"
    & skf18("5","5","5","2","7","2","1") = "6"
    & skf18("5","5","5","2","7","3","1") = "6"
    & skf18("5","5","5","2","7","4","1") = "6"
    & skf18("5","5","5","2","7","5","1") = "6"
    & skf18("5","5","5","2","7","6","1") = "6"
    & skf18("5","5","5","2","7","7","1") = "6"
    & skf18("5","5","5","2","7","8","1") = "7"
    & skf18("5","5","5","2","7","9","1") = "8"
    & skf18("5","5","5","2","7","10","1") = "9"
    & skf18("5","5","5","2","8","1","1") = "7"
    & skf18("5","5","5","2","8","2","1") = "7"
    & skf18("5","5","5","2","8","3","1") = "7"
    & skf18("5","5","5","2","8","4","1") = "7"
    & skf18("5","5","5","2","8","5","1") = "7"
    & skf18("5","5","5","2","8","6","1") = "7"
    & skf18("5","5","5","2","8","7","1") = "7"
    & skf18("5","5","5","2","8","8","1") = "7"
    & skf18("5","5","5","2","8","9","1") = "8"
    & skf18("5","5","5","2","8","10","1") = "9"
    & skf18("5","5","5","2","9","1","1") = "8"
    & skf18("5","5","5","2","9","2","1") = "8"
    & skf18("5","5","5","2","9","3","1") = "8"
    & skf18("5","5","5","2","9","4","1") = "8"
    & skf18("5","5","5","2","9","5","1") = "8"
    & skf18("5","5","5","2","9","6","1") = "8"
    & skf18("5","5","5","2","9","7","1") = "8"
    & skf18("5","5","5","2","9","8","1") = "8"
    & skf18("5","5","5","2","9","9","1") = "8"
    & skf18("5","5","5","2","9","10","1") = "9"
    & skf18("5","5","5","2","10","1","1") = "9"
    & skf18("5","5","5","2","10","2","1") = "9"
    & skf18("5","5","5","2","10","3","1") = "9"
    & skf18("5","5","5","2","10","4","1") = "9"
    & skf18("5","5","5","2","10","5","1") = "9"
    & skf18("5","5","5","2","10","6","1") = "9"
    & skf18("5","5","5","2","10","7","1") = "9"
    & skf18("5","5","5","2","10","8","1") = "9"
    & skf18("5","5","5","2","10","9","1") = "9"
    & skf18("5","5","5","2","10","10","1") = "9"
    & skf18("5","5","5","3","1","1","1") = "4"
    & skf18("5","5","5","3","1","2","1") = "4"
    & skf18("5","5","5","3","1","3","1") = "4"
    & skf18("5","5","5","3","1","4","1") = "4"
    & skf18("5","5","5","3","1","5","1") = "4"
    & skf18("5","5","5","3","1","6","1") = "5"
    & skf18("5","5","5","3","1","7","1") = "6"
    & skf18("5","5","5","3","1","8","1") = "7"
    & skf18("5","5","5","3","1","9","1") = "8"
    & skf18("5","5","5","3","1","10","1") = "9"
    & skf18("5","5","5","3","2","1","1") = "4"
    & skf18("5","5","5","3","2","2","1") = "4"
    & skf18("5","5","5","3","2","3","1") = "4"
    & skf18("5","5","5","3","2","4","1") = "4"
    & skf18("5","5","5","3","2","5","1") = "4"
    & skf18("5","5","5","3","2","6","1") = "5"
    & skf18("5","5","5","3","2","7","1") = "6"
    & skf18("5","5","5","3","2","8","1") = "7"
    & skf18("5","5","5","3","2","9","1") = "8"
    & skf18("5","5","5","3","2","10","1") = "9"
    & skf18("5","5","5","3","3","1","1") = "4"
    & skf18("5","5","5","3","3","2","1") = "4"
    & skf18("5","5","5","3","3","3","1") = "4"
    & skf18("5","5","5","3","3","4","1") = "4"
    & skf18("5","5","5","3","3","5","1") = "4"
    & skf18("5","5","5","3","3","6","1") = "5"
    & skf18("5","5","5","3","3","7","1") = "6"
    & skf18("5","5","5","3","3","8","1") = "7"
    & skf18("5","5","5","3","3","9","1") = "8"
    & skf18("5","5","5","3","3","10","1") = "9"
    & skf18("5","5","5","3","4","1","1") = "4"
    & skf18("5","5","5","3","4","2","1") = "4"
    & skf18("5","5","5","3","4","3","1") = "4"
    & skf18("5","5","5","3","4","4","1") = "4"
    & skf18("5","5","5","3","4","5","1") = "4"
    & skf18("5","5","5","3","4","6","1") = "5"
    & skf18("5","5","5","3","4","7","1") = "6"
    & skf18("5","5","5","3","4","8","1") = "7"
    & skf18("5","5","5","3","4","9","1") = "8"
    & skf18("5","5","5","3","4","10","1") = "9"
    & skf18("5","5","5","3","5","1","1") = "4"
    & skf18("5","5","5","3","5","2","1") = "4"
    & skf18("5","5","5","3","5","3","1") = "4"
    & skf18("5","5","5","3","5","4","1") = "4"
    & skf18("5","5","5","3","5","5","1") = "4"
    & skf18("5","5","5","3","5","6","1") = "5"
    & skf18("5","5","5","3","5","7","1") = "6"
    & skf18("5","5","5","3","5","8","1") = "7"
    & skf18("5","5","5","3","5","9","1") = "8"
    & skf18("5","5","5","3","5","10","1") = "9"
    & skf18("5","5","5","3","6","1","1") = "5"
    & skf18("5","5","5","3","6","2","1") = "5"
    & skf18("5","5","5","3","6","3","1") = "5"
    & skf18("5","5","5","3","6","4","1") = "5"
    & skf18("5","5","5","3","6","5","1") = "5"
    & skf18("5","5","5","3","6","6","1") = "5"
    & skf18("5","5","5","3","6","7","1") = "6"
    & skf18("5","5","5","3","6","8","1") = "7"
    & skf18("5","5","5","3","6","9","1") = "8"
    & skf18("5","5","5","3","6","10","1") = "9"
    & skf18("5","5","5","3","7","1","1") = "6"
    & skf18("5","5","5","3","7","2","1") = "6"
    & skf18("5","5","5","3","7","3","1") = "6"
    & skf18("5","5","5","3","7","4","1") = "6"
    & skf18("5","5","5","3","7","5","1") = "6"
    & skf18("5","5","5","3","7","6","1") = "6"
    & skf18("5","5","5","3","7","7","1") = "6"
    & skf18("5","5","5","3","7","8","1") = "7"
    & skf18("5","5","5","3","7","9","1") = "8"
    & skf18("5","5","5","3","7","10","1") = "9"
    & skf18("5","5","5","3","8","1","1") = "7"
    & skf18("5","5","5","3","8","2","1") = "7"
    & skf18("5","5","5","3","8","3","1") = "7"
    & skf18("5","5","5","3","8","4","1") = "7"
    & skf18("5","5","5","3","8","5","1") = "7"
    & skf18("5","5","5","3","8","6","1") = "7"
    & skf18("5","5","5","3","8","7","1") = "7"
    & skf18("5","5","5","3","8","8","1") = "7"
    & skf18("5","5","5","3","8","9","1") = "8"
    & skf18("5","5","5","3","8","10","1") = "9"
    & skf18("5","5","5","3","9","1","1") = "8"
    & skf18("5","5","5","3","9","2","1") = "8"
    & skf18("5","5","5","3","9","3","1") = "8"
    & skf18("5","5","5","3","9","4","1") = "8"
    & skf18("5","5","5","3","9","5","1") = "8"
    & skf18("5","5","5","3","9","6","1") = "8"
    & skf18("5","5","5","3","9","7","1") = "8"
    & skf18("5","5","5","3","9","8","1") = "8"
    & skf18("5","5","5","3","9","9","1") = "8"
    & skf18("5","5","5","3","9","10","1") = "9"
    & skf18("5","5","5","3","10","1","1") = "9"
    & skf18("5","5","5","3","10","2","1") = "9"
    & skf18("5","5","5","3","10","3","1") = "9"
    & skf18("5","5","5","3","10","4","1") = "9"
    & skf18("5","5","5","3","10","5","1") = "9"
    & skf18("5","5","5","3","10","6","1") = "9"
    & skf18("5","5","5","3","10","7","1") = "9"
    & skf18("5","5","5","3","10","8","1") = "9"
    & skf18("5","5","5","3","10","9","1") = "9"
    & skf18("5","5","5","3","10","10","1") = "9"
    & skf18("5","5","5","4","1","1","1") = "4"
    & skf18("5","5","5","4","1","2","1") = "4"
    & skf18("5","5","5","4","1","3","1") = "4"
    & skf18("5","5","5","4","1","4","1") = "4"
    & skf18("5","5","5","4","1","5","1") = "4"
    & skf18("5","5","5","4","1","6","1") = "5"
    & skf18("5","5","5","4","1","7","1") = "6"
    & skf18("5","5","5","4","1","8","1") = "7"
    & skf18("5","5","5","4","1","9","1") = "8"
    & skf18("5","5","5","4","1","10","1") = "9"
    & skf18("5","5","5","4","2","1","1") = "4"
    & skf18("5","5","5","4","2","2","1") = "4"
    & skf18("5","5","5","4","2","3","1") = "4"
    & skf18("5","5","5","4","2","4","1") = "4"
    & skf18("5","5","5","4","2","5","1") = "4"
    & skf18("5","5","5","4","2","6","1") = "5"
    & skf18("5","5","5","4","2","7","1") = "6"
    & skf18("5","5","5","4","2","8","1") = "7"
    & skf18("5","5","5","4","2","9","1") = "8"
    & skf18("5","5","5","4","2","10","1") = "9"
    & skf18("5","5","5","4","3","1","1") = "4"
    & skf18("5","5","5","4","3","2","1") = "4"
    & skf18("5","5","5","4","3","3","1") = "4"
    & skf18("5","5","5","4","3","4","1") = "4"
    & skf18("5","5","5","4","3","5","1") = "4"
    & skf18("5","5","5","4","3","6","1") = "5"
    & skf18("5","5","5","4","3","7","1") = "6"
    & skf18("5","5","5","4","3","8","1") = "7"
    & skf18("5","5","5","4","3","9","1") = "8"
    & skf18("5","5","5","4","3","10","1") = "9"
    & skf18("5","5","5","4","4","1","1") = "4"
    & skf18("5","5","5","4","4","2","1") = "4"
    & skf18("5","5","5","4","4","3","1") = "4"
    & skf18("5","5","5","4","4","4","1") = "4"
    & skf18("5","5","5","4","4","5","1") = "4"
    & skf18("5","5","5","4","4","6","1") = "5"
    & skf18("5","5","5","4","4","7","1") = "6"
    & skf18("5","5","5","4","4","8","1") = "7"
    & skf18("5","5","5","4","4","9","1") = "8"
    & skf18("5","5","5","4","4","10","1") = "9"
    & skf18("5","5","5","4","5","1","1") = "4"
    & skf18("5","5","5","4","5","2","1") = "4"
    & skf18("5","5","5","4","5","3","1") = "4"
    & skf18("5","5","5","4","5","4","1") = "4"
    & skf18("5","5","5","4","5","5","1") = "4"
    & skf18("5","5","5","4","5","6","1") = "5"
    & skf18("5","5","5","4","5","7","1") = "6"
    & skf18("5","5","5","4","5","8","1") = "7"
    & skf18("5","5","5","4","5","9","1") = "8"
    & skf18("5","5","5","4","5","10","1") = "9"
    & skf18("5","5","5","4","6","1","1") = "5"
    & skf18("5","5","5","4","6","2","1") = "5"
    & skf18("5","5","5","4","6","3","1") = "5"
    & skf18("5","5","5","4","6","4","1") = "5"
    & skf18("5","5","5","4","6","5","1") = "5"
    & skf18("5","5","5","4","6","6","1") = "5"
    & skf18("5","5","5","4","6","7","1") = "6"
    & skf18("5","5","5","4","6","8","1") = "7"
    & skf18("5","5","5","4","6","9","1") = "8"
    & skf18("5","5","5","4","6","10","1") = "9"
    & skf18("5","5","5","4","7","1","1") = "6"
    & skf18("5","5","5","4","7","2","1") = "6"
    & skf18("5","5","5","4","7","3","1") = "6"
    & skf18("5","5","5","4","7","4","1") = "6"
    & skf18("5","5","5","4","7","5","1") = "6"
    & skf18("5","5","5","4","7","6","1") = "6"
    & skf18("5","5","5","4","7","7","1") = "6"
    & skf18("5","5","5","4","7","8","1") = "7"
    & skf18("5","5","5","4","7","9","1") = "8"
    & skf18("5","5","5","4","7","10","1") = "9"
    & skf18("5","5","5","4","8","1","1") = "7"
    & skf18("5","5","5","4","8","2","1") = "7"
    & skf18("5","5","5","4","8","3","1") = "7"
    & skf18("5","5","5","4","8","4","1") = "7"
    & skf18("5","5","5","4","8","5","1") = "7"
    & skf18("5","5","5","4","8","6","1") = "7"
    & skf18("5","5","5","4","8","7","1") = "7"
    & skf18("5","5","5","4","8","8","1") = "7"
    & skf18("5","5","5","4","8","9","1") = "8"
    & skf18("5","5","5","4","8","10","1") = "9"
    & skf18("5","5","5","4","9","1","1") = "8"
    & skf18("5","5","5","4","9","2","1") = "8"
    & skf18("5","5","5","4","9","3","1") = "8"
    & skf18("5","5","5","4","9","4","1") = "8"
    & skf18("5","5","5","4","9","5","1") = "8"
    & skf18("5","5","5","4","9","6","1") = "8"
    & skf18("5","5","5","4","9","7","1") = "8"
    & skf18("5","5","5","4","9","8","1") = "8"
    & skf18("5","5","5","4","9","9","1") = "8"
    & skf18("5","5","5","4","9","10","1") = "9"
    & skf18("5","5","5","4","10","1","1") = "9"
    & skf18("5","5","5","4","10","2","1") = "9"
    & skf18("5","5","5","4","10","3","1") = "9"
    & skf18("5","5","5","4","10","4","1") = "9"
    & skf18("5","5","5","4","10","5","1") = "9"
    & skf18("5","5","5","4","10","6","1") = "9"
    & skf18("5","5","5","4","10","7","1") = "9"
    & skf18("5","5","5","4","10","8","1") = "9"
    & skf18("5","5","5","4","10","9","1") = "9"
    & skf18("5","5","5","4","10","10","1") = "9"
    & skf18("5","5","5","5","1","1","1") = "4"
    & skf18("5","5","5","5","1","2","1") = "4"
    & skf18("5","5","5","5","1","3","1") = "4"
    & skf18("5","5","5","5","1","4","1") = "4"
    & skf18("5","5","5","5","1","5","1") = "4"
    & skf18("5","5","5","5","1","6","1") = "5"
    & skf18("5","5","5","5","1","7","1") = "6"
    & skf18("5","5","5","5","1","8","1") = "7"
    & skf18("5","5","5","5","1","9","1") = "8"
    & skf18("5","5","5","5","1","10","1") = "9"
    & skf18("5","5","5","5","2","1","1") = "4"
    & skf18("5","5","5","5","2","2","1") = "4"
    & skf18("5","5","5","5","2","3","1") = "4"
    & skf18("5","5","5","5","2","4","1") = "4"
    & skf18("5","5","5","5","2","5","1") = "4"
    & skf18("5","5","5","5","2","6","1") = "5"
    & skf18("5","5","5","5","2","7","1") = "6"
    & skf18("5","5","5","5","2","8","1") = "7"
    & skf18("5","5","5","5","2","9","1") = "8"
    & skf18("5","5","5","5","2","10","1") = "9"
    & skf18("5","5","5","5","3","1","1") = "4"
    & skf18("5","5","5","5","3","2","1") = "4"
    & skf18("5","5","5","5","3","3","1") = "4"
    & skf18("5","5","5","5","3","4","1") = "4"
    & skf18("5","5","5","5","3","5","1") = "4"
    & skf18("5","5","5","5","3","6","1") = "5"
    & skf18("5","5","5","5","3","7","1") = "6"
    & skf18("5","5","5","5","3","8","1") = "7"
    & skf18("5","5","5","5","3","9","1") = "8"
    & skf18("5","5","5","5","3","10","1") = "9"
    & skf18("5","5","5","5","4","1","1") = "4"
    & skf18("5","5","5","5","4","2","1") = "4"
    & skf18("5","5","5","5","4","3","1") = "4"
    & skf18("5","5","5","5","4","4","1") = "4"
    & skf18("5","5","5","5","4","5","1") = "4"
    & skf18("5","5","5","5","4","6","1") = "5"
    & skf18("5","5","5","5","4","7","1") = "6"
    & skf18("5","5","5","5","4","8","1") = "7"
    & skf18("5","5","5","5","4","9","1") = "8"
    & skf18("5","5","5","5","4","10","1") = "9"
    & skf18("5","5","5","5","5","1","1") = "4"
    & skf18("5","5","5","5","5","2","1") = "4"
    & skf18("5","5","5","5","5","3","1") = "4"
    & skf18("5","5","5","5","5","4","1") = "4"
    & skf18("5","5","5","5","5","5","1") = "4"
    & skf18("5","5","5","5","5","6","1") = "5"
    & skf18("5","5","5","5","5","7","1") = "6"
    & skf18("5","5","5","5","5","8","1") = "7"
    & skf18("5","5","5","5","5","9","1") = "8"
    & skf18("5","5","5","5","5","10","1") = "9"
    & skf18("5","5","5","5","6","1","1") = "5"
    & skf18("5","5","5","5","6","2","1") = "5"
    & skf18("5","5","5","5","6","3","1") = "5"
    & skf18("5","5","5","5","6","4","1") = "5"
    & skf18("5","5","5","5","6","5","1") = "5"
    & skf18("5","5","5","5","6","6","1") = "5"
    & skf18("5","5","5","5","6","7","1") = "6"
    & skf18("5","5","5","5","6","8","1") = "7"
    & skf18("5","5","5","5","6","9","1") = "8"
    & skf18("5","5","5","5","6","10","1") = "9"
    & skf18("5","5","5","5","7","1","1") = "6"
    & skf18("5","5","5","5","7","2","1") = "6"
    & skf18("5","5","5","5","7","3","1") = "6"
    & skf18("5","5","5","5","7","4","1") = "6"
    & skf18("5","5","5","5","7","5","1") = "6"
    & skf18("5","5","5","5","7","6","1") = "6"
    & skf18("5","5","5","5","7","7","1") = "6"
    & skf18("5","5","5","5","7","8","1") = "7"
    & skf18("5","5","5","5","7","9","1") = "8"
    & skf18("5","5","5","5","7","10","1") = "9"
    & skf18("5","5","5","5","8","1","1") = "7"
    & skf18("5","5","5","5","8","2","1") = "7"
    & skf18("5","5","5","5","8","3","1") = "7"
    & skf18("5","5","5","5","8","4","1") = "7"
    & skf18("5","5","5","5","8","5","1") = "7"
    & skf18("5","5","5","5","8","6","1") = "7"
    & skf18("5","5","5","5","8","7","1") = "7"
    & skf18("5","5","5","5","8","8","1") = "7"
    & skf18("5","5","5","5","8","9","1") = "8"
    & skf18("5","5","5","5","8","10","1") = "9"
    & skf18("5","5","5","5","9","1","1") = "8"
    & skf18("5","5","5","5","9","2","1") = "8"
    & skf18("5","5","5","5","9","3","1") = "8"
    & skf18("5","5","5","5","9","4","1") = "8"
    & skf18("5","5","5","5","9","5","1") = "8"
    & skf18("5","5","5","5","9","6","1") = "8"
    & skf18("5","5","5","5","9","7","1") = "8"
    & skf18("5","5","5","5","9","8","1") = "8"
    & skf18("5","5","5","5","9","9","1") = "8"
    & skf18("5","5","5","5","9","10","1") = "9"
    & skf18("5","5","5","5","10","1","1") = "9"
    & skf18("5","5","5","5","10","2","1") = "9"
    & skf18("5","5","5","5","10","3","1") = "9"
    & skf18("5","5","5","5","10","4","1") = "9"
    & skf18("5","5","5","5","10","5","1") = "9"
    & skf18("5","5","5","5","10","6","1") = "9"
    & skf18("5","5","5","5","10","7","1") = "9"
    & skf18("5","5","5","5","10","8","1") = "9"
    & skf18("5","5","5","5","10","9","1") = "9"
    & skf18("5","5","5","5","10","10","1") = "9"
    & skf18("5","5","5","6","1","1","1") = "5"
    & skf18("5","5","5","6","1","2","1") = "5"
    & skf18("5","5","5","6","1","3","1") = "5"
    & skf18("5","5","5","6","1","4","1") = "5"
    & skf18("5","5","5","6","1","5","1") = "5"
    & skf18("5","5","5","6","1","6","1") = "5"
    & skf18("5","5","5","6","1","7","1") = "6"
    & skf18("5","5","5","6","1","8","1") = "7"
    & skf18("5","5","5","6","1","9","1") = "8"
    & skf18("5","5","5","6","1","10","1") = "9"
    & skf18("5","5","5","6","2","1","1") = "5"
    & skf18("5","5","5","6","2","2","1") = "5"
    & skf18("5","5","5","6","2","3","1") = "5"
    & skf18("5","5","5","6","2","4","1") = "5"
    & skf18("5","5","5","6","2","5","1") = "5"
    & skf18("5","5","5","6","2","6","1") = "5"
    & skf18("5","5","5","6","2","7","1") = "6"
    & skf18("5","5","5","6","2","8","1") = "7"
    & skf18("5","5","5","6","2","9","1") = "8"
    & skf18("5","5","5","6","2","10","1") = "9"
    & skf18("5","5","5","6","3","1","1") = "5"
    & skf18("5","5","5","6","3","2","1") = "5"
    & skf18("5","5","5","6","3","3","1") = "5"
    & skf18("5","5","5","6","3","4","1") = "5"
    & skf18("5","5","5","6","3","5","1") = "5"
    & skf18("5","5","5","6","3","6","1") = "5"
    & skf18("5","5","5","6","3","7","1") = "6"
    & skf18("5","5","5","6","3","8","1") = "7"
    & skf18("5","5","5","6","3","9","1") = "8"
    & skf18("5","5","5","6","3","10","1") = "9"
    & skf18("5","5","5","6","4","1","1") = "5"
    & skf18("5","5","5","6","4","2","1") = "5"
    & skf18("5","5","5","6","4","3","1") = "5"
    & skf18("5","5","5","6","4","4","1") = "5"
    & skf18("5","5","5","6","4","5","1") = "5"
    & skf18("5","5","5","6","4","6","1") = "5"
    & skf18("5","5","5","6","4","7","1") = "6"
    & skf18("5","5","5","6","4","8","1") = "7"
    & skf18("5","5","5","6","4","9","1") = "8"
    & skf18("5","5","5","6","4","10","1") = "9"
    & skf18("5","5","5","6","5","1","1") = "5"
    & skf18("5","5","5","6","5","2","1") = "5"
    & skf18("5","5","5","6","5","3","1") = "5"
    & skf18("5","5","5","6","5","4","1") = "5"
    & skf18("5","5","5","6","5","5","1") = "5"
    & skf18("5","5","5","6","5","6","1") = "5"
    & skf18("5","5","5","6","5","7","1") = "6"
    & skf18("5","5","5","6","5","8","1") = "7"
    & skf18("5","5","5","6","5","9","1") = "8"
    & skf18("5","5","5","6","5","10","1") = "9"
    & skf18("5","5","5","6","6","1","1") = "5"
    & skf18("5","5","5","6","6","2","1") = "5"
    & skf18("5","5","5","6","6","3","1") = "5"
    & skf18("5","5","5","6","6","4","1") = "5"
    & skf18("5","5","5","6","6","5","1") = "5"
    & skf18("5","5","5","6","6","6","1") = "5"
    & skf18("5","5","5","6","6","7","1") = "6"
    & skf18("5","5","5","6","6","8","1") = "7"
    & skf18("5","5","5","6","6","9","1") = "8"
    & skf18("5","5","5","6","6","10","1") = "9"
    & skf18("5","5","5","6","7","1","1") = "6"
    & skf18("5","5","5","6","7","2","1") = "6"
    & skf18("5","5","5","6","7","3","1") = "6"
    & skf18("5","5","5","6","7","4","1") = "6"
    & skf18("5","5","5","6","7","5","1") = "6"
    & skf18("5","5","5","6","7","6","1") = "6"
    & skf18("5","5","5","6","7","7","1") = "6"
    & skf18("5","5","5","6","7","8","1") = "7"
    & skf18("5","5","5","6","7","9","1") = "8"
    & skf18("5","5","5","6","7","10","1") = "9"
    & skf18("5","5","5","6","8","1","1") = "7"
    & skf18("5","5","5","6","8","2","1") = "7"
    & skf18("5","5","5","6","8","3","1") = "7"
    & skf18("5","5","5","6","8","4","1") = "7"
    & skf18("5","5","5","6","8","5","1") = "7"
    & skf18("5","5","5","6","8","6","1") = "7"
    & skf18("5","5","5","6","8","7","1") = "7"
    & skf18("5","5","5","6","8","8","1") = "7"
    & skf18("5","5","5","6","8","9","1") = "8"
    & skf18("5","5","5","6","8","10","1") = "9"
    & skf18("5","5","5","6","9","1","1") = "8"
    & skf18("5","5","5","6","9","2","1") = "8"
    & skf18("5","5","5","6","9","3","1") = "8"
    & skf18("5","5","5","6","9","4","1") = "8"
    & skf18("5","5","5","6","9","5","1") = "8"
    & skf18("5","5","5","6","9","6","1") = "8"
    & skf18("5","5","5","6","9","7","1") = "8"
    & skf18("5","5","5","6","9","8","1") = "8"
    & skf18("5","5","5","6","9","9","1") = "8"
    & skf18("5","5","5","6","9","10","1") = "9"
    & skf18("5","5","5","6","10","1","1") = "9"
    & skf18("5","5","5","6","10","2","1") = "9"
    & skf18("5","5","5","6","10","3","1") = "9"
    & skf18("5","5","5","6","10","4","1") = "9"
    & skf18("5","5","5","6","10","5","1") = "9"
    & skf18("5","5","5","6","10","6","1") = "9"
    & skf18("5","5","5","6","10","7","1") = "9"
    & skf18("5","5","5","6","10","8","1") = "9"
    & skf18("5","5","5","6","10","9","1") = "9"
    & skf18("5","5","5","6","10","10","1") = "9"
    & skf18("5","5","5","7","1","1","1") = "6"
    & skf18("5","5","5","7","1","2","1") = "6"
    & skf18("5","5","5","7","1","3","1") = "6"
    & skf18("5","5","5","7","1","4","1") = "6"
    & skf18("5","5","5","7","1","5","1") = "6"
    & skf18("5","5","5","7","1","6","1") = "6"
    & skf18("5","5","5","7","1","7","1") = "6"
    & skf18("5","5","5","7","1","8","1") = "7"
    & skf18("5","5","5","7","1","9","1") = "8"
    & skf18("5","5","5","7","1","10","1") = "9"
    & skf18("5","5","5","7","2","1","1") = "6"
    & skf18("5","5","5","7","2","2","1") = "6"
    & skf18("5","5","5","7","2","3","1") = "6"
    & skf18("5","5","5","7","2","4","1") = "6"
    & skf18("5","5","5","7","2","5","1") = "6"
    & skf18("5","5","5","7","2","6","1") = "6"
    & skf18("5","5","5","7","2","7","1") = "6"
    & skf18("5","5","5","7","2","8","1") = "7"
    & skf18("5","5","5","7","2","9","1") = "8"
    & skf18("5","5","5","7","2","10","1") = "9"
    & skf18("5","5","5","7","3","1","1") = "6"
    & skf18("5","5","5","7","3","2","1") = "6"
    & skf18("5","5","5","7","3","3","1") = "6"
    & skf18("5","5","5","7","3","4","1") = "6"
    & skf18("5","5","5","7","3","5","1") = "6"
    & skf18("5","5","5","7","3","6","1") = "6"
    & skf18("5","5","5","7","3","7","1") = "6"
    & skf18("5","5","5","7","3","8","1") = "7"
    & skf18("5","5","5","7","3","9","1") = "8"
    & skf18("5","5","5","7","3","10","1") = "9"
    & skf18("5","5","5","7","4","1","1") = "6"
    & skf18("5","5","5","7","4","2","1") = "6"
    & skf18("5","5","5","7","4","3","1") = "6"
    & skf18("5","5","5","7","4","4","1") = "6"
    & skf18("5","5","5","7","4","5","1") = "6"
    & skf18("5","5","5","7","4","6","1") = "6"
    & skf18("5","5","5","7","4","7","1") = "6"
    & skf18("5","5","5","7","4","8","1") = "7"
    & skf18("5","5","5","7","4","9","1") = "8"
    & skf18("5","5","5","7","4","10","1") = "9"
    & skf18("5","5","5","7","5","1","1") = "6"
    & skf18("5","5","5","7","5","2","1") = "6"
    & skf18("5","5","5","7","5","3","1") = "6"
    & skf18("5","5","5","7","5","4","1") = "6"
    & skf18("5","5","5","7","5","5","1") = "6"
    & skf18("5","5","5","7","5","6","1") = "6"
    & skf18("5","5","5","7","5","7","1") = "6"
    & skf18("5","5","5","7","5","8","1") = "7"
    & skf18("5","5","5","7","5","9","1") = "8"
    & skf18("5","5","5","7","5","10","1") = "9"
    & skf18("5","5","5","7","6","1","1") = "6"
    & skf18("5","5","5","7","6","2","1") = "6"
    & skf18("5","5","5","7","6","3","1") = "6"
    & skf18("5","5","5","7","6","4","1") = "6"
    & skf18("5","5","5","7","6","5","1") = "6"
    & skf18("5","5","5","7","6","6","1") = "6"
    & skf18("5","5","5","7","6","7","1") = "6"
    & skf18("5","5","5","7","6","8","1") = "7"
    & skf18("5","5","5","7","6","9","1") = "8"
    & skf18("5","5","5","7","6","10","1") = "9"
    & skf18("5","5","5","7","7","1","1") = "6"
    & skf18("5","5","5","7","7","2","1") = "6"
    & skf18("5","5","5","7","7","3","1") = "6"
    & skf18("5","5","5","7","7","4","1") = "6"
    & skf18("5","5","5","7","7","5","1") = "6"
    & skf18("5","5","5","7","7","6","1") = "6"
    & skf18("5","5","5","7","7","7","1") = "6"
    & skf18("5","5","5","7","7","8","1") = "7"
    & skf18("5","5","5","7","7","9","1") = "8"
    & skf18("5","5","5","7","7","10","1") = "9"
    & skf18("5","5","5","7","8","1","1") = "7"
    & skf18("5","5","5","7","8","2","1") = "7"
    & skf18("5","5","5","7","8","3","1") = "7"
    & skf18("5","5","5","7","8","4","1") = "7"
    & skf18("5","5","5","7","8","5","1") = "7"
    & skf18("5","5","5","7","8","6","1") = "7"
    & skf18("5","5","5","7","8","7","1") = "7"
    & skf18("5","5","5","7","8","8","1") = "7"
    & skf18("5","5","5","7","8","9","1") = "8"
    & skf18("5","5","5","7","8","10","1") = "9"
    & skf18("5","5","5","7","9","1","1") = "8"
    & skf18("5","5","5","7","9","2","1") = "8"
    & skf18("5","5","5","7","9","3","1") = "8"
    & skf18("5","5","5","7","9","4","1") = "8"
    & skf18("5","5","5","7","9","5","1") = "8"
    & skf18("5","5","5","7","9","6","1") = "8"
    & skf18("5","5","5","7","9","7","1") = "8"
    & skf18("5","5","5","7","9","8","1") = "8"
    & skf18("5","5","5","7","9","9","1") = "8"
    & skf18("5","5","5","7","9","10","1") = "9"
    & skf18("5","5","5","7","10","1","1") = "9"
    & skf18("5","5","5","7","10","2","1") = "9"
    & skf18("5","5","5","7","10","3","1") = "9"
    & skf18("5","5","5","7","10","4","1") = "9"
    & skf18("5","5","5","7","10","5","1") = "9"
    & skf18("5","5","5","7","10","6","1") = "9"
    & skf18("5","5","5","7","10","7","1") = "9"
    & skf18("5","5","5","7","10","8","1") = "9"
    & skf18("5","5","5","7","10","9","1") = "9"
    & skf18("5","5","5","7","10","10","1") = "9"
    & skf18("5","5","5","8","1","1","1") = "7"
    & skf18("5","5","5","8","1","2","1") = "7"
    & skf18("5","5","5","8","1","3","1") = "7"
    & skf18("5","5","5","8","1","4","1") = "7"
    & skf18("5","5","5","8","1","5","1") = "7"
    & skf18("5","5","5","8","1","6","1") = "7"
    & skf18("5","5","5","8","1","7","1") = "7"
    & skf18("5","5","5","8","1","8","1") = "7"
    & skf18("5","5","5","8","1","9","1") = "8"
    & skf18("5","5","5","8","1","10","1") = "9"
    & skf18("5","5","5","8","2","1","1") = "7"
    & skf18("5","5","5","8","2","2","1") = "7"
    & skf18("5","5","5","8","2","3","1") = "7"
    & skf18("5","5","5","8","2","4","1") = "7"
    & skf18("5","5","5","8","2","5","1") = "7"
    & skf18("5","5","5","8","2","6","1") = "7"
    & skf18("5","5","5","8","2","7","1") = "7"
    & skf18("5","5","5","8","2","8","1") = "7"
    & skf18("5","5","5","8","2","9","1") = "8"
    & skf18("5","5","5","8","2","10","1") = "9"
    & skf18("5","5","5","8","3","1","1") = "7"
    & skf18("5","5","5","8","3","2","1") = "7"
    & skf18("5","5","5","8","3","3","1") = "7"
    & skf18("5","5","5","8","3","4","1") = "7"
    & skf18("5","5","5","8","3","5","1") = "7"
    & skf18("5","5","5","8","3","6","1") = "7"
    & skf18("5","5","5","8","3","7","1") = "7"
    & skf18("5","5","5","8","3","8","1") = "7"
    & skf18("5","5","5","8","3","9","1") = "8"
    & skf18("5","5","5","8","3","10","1") = "9"
    & skf18("5","5","5","8","4","1","1") = "7"
    & skf18("5","5","5","8","4","2","1") = "7"
    & skf18("5","5","5","8","4","3","1") = "7"
    & skf18("5","5","5","8","4","4","1") = "7"
    & skf18("5","5","5","8","4","5","1") = "7"
    & skf18("5","5","5","8","4","6","1") = "7"
    & skf18("5","5","5","8","4","7","1") = "7"
    & skf18("5","5","5","8","4","8","1") = "7"
    & skf18("5","5","5","8","4","9","1") = "8"
    & skf18("5","5","5","8","4","10","1") = "9"
    & skf18("5","5","5","8","5","1","1") = "7"
    & skf18("5","5","5","8","5","2","1") = "7"
    & skf18("5","5","5","8","5","3","1") = "7"
    & skf18("5","5","5","8","5","4","1") = "7"
    & skf18("5","5","5","8","5","5","1") = "7"
    & skf18("5","5","5","8","5","6","1") = "7"
    & skf18("5","5","5","8","5","7","1") = "7"
    & skf18("5","5","5","8","5","8","1") = "7"
    & skf18("5","5","5","8","5","9","1") = "8"
    & skf18("5","5","5","8","5","10","1") = "9"
    & skf18("5","5","5","8","6","1","1") = "7"
    & skf18("5","5","5","8","6","2","1") = "7"
    & skf18("5","5","5","8","6","3","1") = "7"
    & skf18("5","5","5","8","6","4","1") = "7"
    & skf18("5","5","5","8","6","5","1") = "7"
    & skf18("5","5","5","8","6","6","1") = "7"
    & skf18("5","5","5","8","6","7","1") = "7"
    & skf18("5","5","5","8","6","8","1") = "7"
    & skf18("5","5","5","8","6","9","1") = "8"
    & skf18("5","5","5","8","6","10","1") = "9"
    & skf18("5","5","5","8","7","1","1") = "7"
    & skf18("5","5","5","8","7","2","1") = "7"
    & skf18("5","5","5","8","7","3","1") = "7"
    & skf18("5","5","5","8","7","4","1") = "7"
    & skf18("5","5","5","8","7","5","1") = "7"
    & skf18("5","5","5","8","7","6","1") = "7"
    & skf18("5","5","5","8","7","7","1") = "7"
    & skf18("5","5","5","8","7","8","1") = "7"
    & skf18("5","5","5","8","7","9","1") = "8"
    & skf18("5","5","5","8","7","10","1") = "9"
    & skf18("5","5","5","8","8","1","1") = "7"
    & skf18("5","5","5","8","8","2","1") = "7"
    & skf18("5","5","5","8","8","3","1") = "7"
    & skf18("5","5","5","8","8","4","1") = "7"
    & skf18("5","5","5","8","8","5","1") = "7"
    & skf18("5","5","5","8","8","6","1") = "7"
    & skf18("5","5","5","8","8","7","1") = "7"
    & skf18("5","5","5","8","8","8","1") = "7"
    & skf18("5","5","5","8","8","9","1") = "8"
    & skf18("5","5","5","8","8","10","1") = "9"
    & skf18("5","5","5","8","9","1","1") = "8"
    & skf18("5","5","5","8","9","2","1") = "8"
    & skf18("5","5","5","8","9","3","1") = "8"
    & skf18("5","5","5","8","9","4","1") = "8"
    & skf18("5","5","5","8","9","5","1") = "8"
    & skf18("5","5","5","8","9","6","1") = "8"
    & skf18("5","5","5","8","9","7","1") = "8"
    & skf18("5","5","5","8","9","8","1") = "8"
    & skf18("5","5","5","8","9","9","1") = "8"
    & skf18("5","5","5","8","9","10","1") = "9"
    & skf18("5","5","5","8","10","1","1") = "9"
    & skf18("5","5","5","8","10","2","1") = "9"
    & skf18("5","5","5","8","10","3","1") = "9"
    & skf18("5","5","5","8","10","4","1") = "9"
    & skf18("5","5","5","8","10","5","1") = "9"
    & skf18("5","5","5","8","10","6","1") = "9"
    & skf18("5","5","5","8","10","7","1") = "9"
    & skf18("5","5","5","8","10","8","1") = "9"
    & skf18("5","5","5","8","10","9","1") = "9"
    & skf18("5","5","5","8","10","10","1") = "9"
    & skf18("5","5","5","9","1","1","1") = "8"
    & skf18("5","5","5","9","1","2","1") = "8"
    & skf18("5","5","5","9","1","3","1") = "8"
    & skf18("5","5","5","9","1","4","1") = "8"
    & skf18("5","5","5","9","1","5","1") = "8"
    & skf18("5","5","5","9","1","6","1") = "8"
    & skf18("5","5","5","9","1","7","1") = "8"
    & skf18("5","5","5","9","1","8","1") = "8"
    & skf18("5","5","5","9","1","9","1") = "8"
    & skf18("5","5","5","9","1","10","1") = "9"
    & skf18("5","5","5","9","2","1","1") = "8"
    & skf18("5","5","5","9","2","2","1") = "8"
    & skf18("5","5","5","9","2","3","1") = "8"
    & skf18("5","5","5","9","2","4","1") = "8"
    & skf18("5","5","5","9","2","5","1") = "8"
    & skf18("5","5","5","9","2","6","1") = "8"
    & skf18("5","5","5","9","2","7","1") = "8"
    & skf18("5","5","5","9","2","8","1") = "8"
    & skf18("5","5","5","9","2","9","1") = "8"
    & skf18("5","5","5","9","2","10","1") = "9"
    & skf18("5","5","5","9","3","1","1") = "8"
    & skf18("5","5","5","9","3","2","1") = "8"
    & skf18("5","5","5","9","3","3","1") = "8"
    & skf18("5","5","5","9","3","4","1") = "8"
    & skf18("5","5","5","9","3","5","1") = "8"
    & skf18("5","5","5","9","3","6","1") = "8"
    & skf18("5","5","5","9","3","7","1") = "8"
    & skf18("5","5","5","9","3","8","1") = "8"
    & skf18("5","5","5","9","3","9","1") = "8"
    & skf18("5","5","5","9","3","10","1") = "9"
    & skf18("5","5","5","9","4","1","1") = "8"
    & skf18("5","5","5","9","4","2","1") = "8"
    & skf18("5","5","5","9","4","3","1") = "8"
    & skf18("5","5","5","9","4","4","1") = "8"
    & skf18("5","5","5","9","4","5","1") = "8"
    & skf18("5","5","5","9","4","6","1") = "8"
    & skf18("5","5","5","9","4","7","1") = "8"
    & skf18("5","5","5","9","4","8","1") = "8"
    & skf18("5","5","5","9","4","9","1") = "8"
    & skf18("5","5","5","9","4","10","1") = "9"
    & skf18("5","5","5","9","5","1","1") = "8"
    & skf18("5","5","5","9","5","2","1") = "8"
    & skf18("5","5","5","9","5","3","1") = "8"
    & skf18("5","5","5","9","5","4","1") = "8"
    & skf18("5","5","5","9","5","5","1") = "8"
    & skf18("5","5","5","9","5","6","1") = "8"
    & skf18("5","5","5","9","5","7","1") = "8"
    & skf18("5","5","5","9","5","8","1") = "8"
    & skf18("5","5","5","9","5","9","1") = "8"
    & skf18("5","5","5","9","5","10","1") = "9"
    & skf18("5","5","5","9","6","1","1") = "8"
    & skf18("5","5","5","9","6","2","1") = "8"
    & skf18("5","5","5","9","6","3","1") = "8"
    & skf18("5","5","5","9","6","4","1") = "8"
    & skf18("5","5","5","9","6","5","1") = "8"
    & skf18("5","5","5","9","6","6","1") = "8"
    & skf18("5","5","5","9","6","7","1") = "8"
    & skf18("5","5","5","9","6","8","1") = "8"
    & skf18("5","5","5","9","6","9","1") = "8"
    & skf18("5","5","5","9","6","10","1") = "9"
    & skf18("5","5","5","9","7","1","1") = "8"
    & skf18("5","5","5","9","7","2","1") = "8"
    & skf18("5","5","5","9","7","3","1") = "8"
    & skf18("5","5","5","9","7","4","1") = "8"
    & skf18("5","5","5","9","7","5","1") = "8"
    & skf18("5","5","5","9","7","6","1") = "8"
    & skf18("5","5","5","9","7","7","1") = "8"
    & skf18("5","5","5","9","7","8","1") = "8"
    & skf18("5","5","5","9","7","9","1") = "8"
    & skf18("5","5","5","9","7","10","1") = "9"
    & skf18("5","5","5","9","8","1","1") = "8"
    & skf18("5","5","5","9","8","2","1") = "8"
    & skf18("5","5","5","9","8","3","1") = "8"
    & skf18("5","5","5","9","8","4","1") = "8"
    & skf18("5","5","5","9","8","5","1") = "8"
    & skf18("5","5","5","9","8","6","1") = "8"
    & skf18("5","5","5","9","8","7","1") = "8"
    & skf18("5","5","5","9","8","8","1") = "8"
    & skf18("5","5","5","9","8","9","1") = "8"
    & skf18("5","5","5","9","8","10","1") = "9"
    & skf18("5","5","5","9","9","1","1") = "8"
    & skf18("5","5","5","9","9","2","1") = "8"
    & skf18("5","5","5","9","9","3","1") = "8"
    & skf18("5","5","5","9","9","4","1") = "8"
    & skf18("5","5","5","9","9","5","1") = "8"
    & skf18("5","5","5","9","9","6","1") = "8"
    & skf18("5","5","5","9","9","7","1") = "8"
    & skf18("5","5","5","9","9","8","1") = "8"
    & skf18("5","5","5","9","9","9","1") = "8"
    & skf18("5","5","5","9","9","10","1") = "9"
    & skf18("5","5","5","9","10","1","1") = "9"
    & skf18("5","5","5","9","10","2","1") = "9"
    & skf18("5","5","5","9","10","3","1") = "9"
    & skf18("5","5","5","9","10","4","1") = "9"
    & skf18("5","5","5","9","10","5","1") = "9"
    & skf18("5","5","5","9","10","6","1") = "9"
    & skf18("5","5","5","9","10","7","1") = "9"
    & skf18("5","5","5","9","10","8","1") = "9"
    & skf18("5","5","5","9","10","9","1") = "9"
    & skf18("5","5","5","9","10","10","1") = "9"
    & skf18("5","5","5","10","1","1","1") = "9"
    & skf18("5","5","5","10","1","2","1") = "9"
    & skf18("5","5","5","10","1","3","1") = "9"
    & skf18("5","5","5","10","1","4","1") = "9"
    & skf18("5","5","5","10","1","5","1") = "9"
    & skf18("5","5","5","10","1","6","1") = "9"
    & skf18("5","5","5","10","1","7","1") = "9"
    & skf18("5","5","5","10","1","8","1") = "9"
    & skf18("5","5","5","10","1","9","1") = "9"
    & skf18("5","5","5","10","1","10","1") = "9"
    & skf18("5","5","5","10","2","1","1") = "9"
    & skf18("5","5","5","10","2","2","1") = "9"
    & skf18("5","5","5","10","2","3","1") = "9"
    & skf18("5","5","5","10","2","4","1") = "9"
    & skf18("5","5","5","10","2","5","1") = "9"
    & skf18("5","5","5","10","2","6","1") = "9"
    & skf18("5","5","5","10","2","7","1") = "9"
    & skf18("5","5","5","10","2","8","1") = "9"
    & skf18("5","5","5","10","2","9","1") = "9"
    & skf18("5","5","5","10","2","10","1") = "9"
    & skf18("5","5","5","10","3","1","1") = "9"
    & skf18("5","5","5","10","3","2","1") = "9"
    & skf18("5","5","5","10","3","3","1") = "9"
    & skf18("5","5","5","10","3","4","1") = "9"
    & skf18("5","5","5","10","3","5","1") = "9"
    & skf18("5","5","5","10","3","6","1") = "9"
    & skf18("5","5","5","10","3","7","1") = "9"
    & skf18("5","5","5","10","3","8","1") = "9"
    & skf18("5","5","5","10","3","9","1") = "9"
    & skf18("5","5","5","10","3","10","1") = "9"
    & skf18("5","5","5","10","4","1","1") = "9"
    & skf18("5","5","5","10","4","2","1") = "9"
    & skf18("5","5","5","10","4","3","1") = "9"
    & skf18("5","5","5","10","4","4","1") = "9"
    & skf18("5","5","5","10","4","5","1") = "9"
    & skf18("5","5","5","10","4","6","1") = "9"
    & skf18("5","5","5","10","4","7","1") = "9"
    & skf18("5","5","5","10","4","8","1") = "9"
    & skf18("5","5","5","10","4","9","1") = "9"
    & skf18("5","5","5","10","4","10","1") = "9"
    & skf18("5","5","5","10","5","1","1") = "9"
    & skf18("5","5","5","10","5","2","1") = "9"
    & skf18("5","5","5","10","5","3","1") = "9"
    & skf18("5","5","5","10","5","4","1") = "9"
    & skf18("5","5","5","10","5","5","1") = "9"
    & skf18("5","5","5","10","5","6","1") = "9"
    & skf18("5","5","5","10","5","7","1") = "9"
    & skf18("5","5","5","10","5","8","1") = "9"
    & skf18("5","5","5","10","5","9","1") = "9"
    & skf18("5","5","5","10","5","10","1") = "9"
    & skf18("5","5","5","10","6","1","1") = "9"
    & skf18("5","5","5","10","6","2","1") = "9"
    & skf18("5","5","5","10","6","3","1") = "9"
    & skf18("5","5","5","10","6","4","1") = "9"
    & skf18("5","5","5","10","6","5","1") = "9"
    & skf18("5","5","5","10","6","6","1") = "9"
    & skf18("5","5","5","10","6","7","1") = "9"
    & skf18("5","5","5","10","6","8","1") = "9"
    & skf18("5","5","5","10","6","9","1") = "9"
    & skf18("5","5","5","10","6","10","1") = "9"
    & skf18("5","5","5","10","7","1","1") = "9"
    & skf18("5","5","5","10","7","2","1") = "9"
    & skf18("5","5","5","10","7","3","1") = "9"
    & skf18("5","5","5","10","7","4","1") = "9"
    & skf18("5","5","5","10","7","5","1") = "9"
    & skf18("5","5","5","10","7","6","1") = "9"
    & skf18("5","5","5","10","7","7","1") = "9"
    & skf18("5","5","5","10","7","8","1") = "9"
    & skf18("5","5","5","10","7","9","1") = "9"
    & skf18("5","5","5","10","7","10","1") = "9"
    & skf18("5","5","5","10","8","1","1") = "9"
    & skf18("5","5","5","10","8","2","1") = "9"
    & skf18("5","5","5","10","8","3","1") = "9"
    & skf18("5","5","5","10","8","4","1") = "9"
    & skf18("5","5","5","10","8","5","1") = "9"
    & skf18("5","5","5","10","8","6","1") = "9"
    & skf18("5","5","5","10","8","7","1") = "9"
    & skf18("5","5","5","10","8","8","1") = "9"
    & skf18("5","5","5","10","8","9","1") = "9"
    & skf18("5","5","5","10","8","10","1") = "9"
    & skf18("5","5","5","10","9","1","1") = "9"
    & skf18("5","5","5","10","9","2","1") = "9"
    & skf18("5","5","5","10","9","3","1") = "9"
    & skf18("5","5","5","10","9","4","1") = "9"
    & skf18("5","5","5","10","9","5","1") = "9"
    & skf18("5","5","5","10","9","6","1") = "9"
    & skf18("5","5","5","10","9","7","1") = "9"
    & skf18("5","5","5","10","9","8","1") = "9"
    & skf18("5","5","5","10","9","9","1") = "9"
    & skf18("5","5","5","10","9","10","1") = "9"
    & skf18("5","5","5","10","10","1","1") = "9"
    & skf18("5","5","5","10","10","2","1") = "9"
    & skf18("5","5","5","10","10","3","1") = "9"
    & skf18("5","5","5","10","10","4","1") = "9"
    & skf18("5","5","5","10","10","5","1") = "9"
    & skf18("5","5","5","10","10","6","1") = "9"
    & skf18("5","5","5","10","10","7","1") = "9"
    & skf18("5","5","5","10","10","8","1") = "9"
    & skf18("5","5","5","10","10","9","1") = "9"
    & skf18("5","5","5","10","10","10","1") = "9"
    & skf18("5","5","6","1","1","1","1") = "5"
    & skf18("5","5","6","1","1","2","1") = "5"
    & skf18("5","5","6","1","1","3","1") = "5"
    & skf18("5","5","6","1","1","4","1") = "5"
    & skf18("5","5","6","1","1","5","1") = "5"
    & skf18("5","5","6","1","1","6","1") = "5"
    & skf18("5","5","6","1","1","7","1") = "6"
    & skf18("5","5","6","1","1","8","1") = "7"
    & skf18("5","5","6","1","1","9","1") = "8"
    & skf18("5","5","6","1","1","10","1") = "9"
    & skf18("5","5","6","1","2","1","1") = "5"
    & skf18("5","5","6","1","2","2","1") = "5"
    & skf18("5","5","6","1","2","3","1") = "5"
    & skf18("5","5","6","1","2","4","1") = "5"
    & skf18("5","5","6","1","2","5","1") = "5"
    & skf18("5","5","6","1","2","6","1") = "5"
    & skf18("5","5","6","1","2","7","1") = "6"
    & skf18("5","5","6","1","2","8","1") = "7"
    & skf18("5","5","6","1","2","9","1") = "8"
    & skf18("5","5","6","1","2","10","1") = "9"
    & skf18("5","5","6","1","3","1","1") = "5"
    & skf18("5","5","6","1","3","2","1") = "5"
    & skf18("5","5","6","1","3","3","1") = "5"
    & skf18("5","5","6","1","3","4","1") = "5"
    & skf18("5","5","6","1","3","5","1") = "5"
    & skf18("5","5","6","1","3","6","1") = "5"
    & skf18("5","5","6","1","3","7","1") = "6"
    & skf18("5","5","6","1","3","8","1") = "7"
    & skf18("5","5","6","1","3","9","1") = "8"
    & skf18("5","5","6","1","3","10","1") = "9"
    & skf18("5","5","6","1","4","1","1") = "5"
    & skf18("5","5","6","1","4","2","1") = "5"
    & skf18("5","5","6","1","4","3","1") = "5"
    & skf18("5","5","6","1","4","4","1") = "5"
    & skf18("5","5","6","1","4","5","1") = "5"
    & skf18("5","5","6","1","4","6","1") = "5"
    & skf18("5","5","6","1","4","7","1") = "6"
    & skf18("5","5","6","1","4","8","1") = "7"
    & skf18("5","5","6","1","4","9","1") = "8"
    & skf18("5","5","6","1","4","10","1") = "9"
    & skf18("5","5","6","1","5","1","1") = "5"
    & skf18("5","5","6","1","5","2","1") = "5"
    & skf18("5","5","6","1","5","3","1") = "5"
    & skf18("5","5","6","1","5","4","1") = "5"
    & skf18("5","5","6","1","5","5","1") = "5"
    & skf18("5","5","6","1","5","6","1") = "5"
    & skf18("5","5","6","1","5","7","1") = "6"
    & skf18("5","5","6","1","5","8","1") = "7"
    & skf18("5","5","6","1","5","9","1") = "8"
    & skf18("5","5","6","1","5","10","1") = "9"
    & skf18("5","5","6","1","6","1","1") = "5"
    & skf18("5","5","6","1","6","2","1") = "5"
    & skf18("5","5","6","1","6","3","1") = "5"
    & skf18("5","5","6","1","6","4","1") = "5"
    & skf18("5","5","6","1","6","5","1") = "5"
    & skf18("5","5","6","1","6","6","1") = "5"
    & skf18("5","5","6","1","6","7","1") = "6"
    & skf18("5","5","6","1","6","8","1") = "7"
    & skf18("5","5","6","1","6","9","1") = "8"
    & skf18("5","5","6","1","6","10","1") = "9"
    & skf18("5","5","6","1","7","1","1") = "6"
    & skf18("5","5","6","1","7","2","1") = "6"
    & skf18("5","5","6","1","7","3","1") = "6"
    & skf18("5","5","6","1","7","4","1") = "6"
    & skf18("5","5","6","1","7","5","1") = "6"
    & skf18("5","5","6","1","7","6","1") = "6"
    & skf18("5","5","6","1","7","7","1") = "6"
    & skf18("5","5","6","1","7","8","1") = "7"
    & skf18("5","5","6","1","7","9","1") = "8"
    & skf18("5","5","6","1","7","10","1") = "9"
    & skf18("5","5","6","1","8","1","1") = "7"
    & skf18("5","5","6","1","8","2","1") = "7"
    & skf18("5","5","6","1","8","3","1") = "7"
    & skf18("5","5","6","1","8","4","1") = "7"
    & skf18("5","5","6","1","8","5","1") = "7"
    & skf18("5","5","6","1","8","6","1") = "7"
    & skf18("5","5","6","1","8","7","1") = "7"
    & skf18("5","5","6","1","8","8","1") = "7"
    & skf18("5","5","6","1","8","9","1") = "8"
    & skf18("5","5","6","1","8","10","1") = "9"
    & skf18("5","5","6","1","9","1","1") = "8"
    & skf18("5","5","6","1","9","2","1") = "8"
    & skf18("5","5","6","1","9","3","1") = "8"
    & skf18("5","5","6","1","9","4","1") = "8"
    & skf18("5","5","6","1","9","5","1") = "8"
    & skf18("5","5","6","1","9","6","1") = "8"
    & skf18("5","5","6","1","9","7","1") = "8"
    & skf18("5","5","6","1","9","8","1") = "8"
    & skf18("5","5","6","1","9","9","1") = "8"
    & skf18("5","5","6","1","9","10","1") = "9"
    & skf18("5","5","6","1","10","1","1") = "9"
    & skf18("5","5","6","1","10","2","1") = "9"
    & skf18("5","5","6","1","10","3","1") = "9"
    & skf18("5","5","6","1","10","4","1") = "9"
    & skf18("5","5","6","1","10","5","1") = "9"
    & skf18("5","5","6","1","10","6","1") = "9"
    & skf18("5","5","6","1","10","7","1") = "9"
    & skf18("5","5","6","1","10","8","1") = "9"
    & skf18("5","5","6","1","10","9","1") = "9"
    & skf18("5","5","6","1","10","10","1") = "9"
    & skf18("5","5","6","2","1","1","1") = "5"
    & skf18("5","5","6","2","1","2","1") = "5"
    & skf18("5","5","6","2","1","3","1") = "5"
    & skf18("5","5","6","2","1","4","1") = "5"
    & skf18("5","5","6","2","1","5","1") = "5"
    & skf18("5","5","6","2","1","6","1") = "5"
    & skf18("5","5","6","2","1","7","1") = "6"
    & skf18("5","5","6","2","1","8","1") = "7"
    & skf18("5","5","6","2","1","9","1") = "8"
    & skf18("5","5","6","2","1","10","1") = "9"
    & skf18("5","5","6","2","2","1","1") = "5"
    & skf18("5","5","6","2","2","2","1") = "5"
    & skf18("5","5","6","2","2","3","1") = "5"
    & skf18("5","5","6","2","2","4","1") = "5"
    & skf18("5","5","6","2","2","5","1") = "5"
    & skf18("5","5","6","2","2","6","1") = "5"
    & skf18("5","5","6","2","2","7","1") = "6"
    & skf18("5","5","6","2","2","8","1") = "7"
    & skf18("5","5","6","2","2","9","1") = "8"
    & skf18("5","5","6","2","2","10","1") = "9"
    & skf18("5","5","6","2","3","1","1") = "5"
    & skf18("5","5","6","2","3","2","1") = "5"
    & skf18("5","5","6","2","3","3","1") = "5"
    & skf18("5","5","6","2","3","4","1") = "5"
    & skf18("5","5","6","2","3","5","1") = "5"
    & skf18("5","5","6","2","3","6","1") = "5"
    & skf18("5","5","6","2","3","7","1") = "6"
    & skf18("5","5","6","2","3","8","1") = "7"
    & skf18("5","5","6","2","3","9","1") = "8"
    & skf18("5","5","6","2","3","10","1") = "9"
    & skf18("5","5","6","2","4","1","1") = "5"
    & skf18("5","5","6","2","4","2","1") = "5"
    & skf18("5","5","6","2","4","3","1") = "5"
    & skf18("5","5","6","2","4","4","1") = "5"
    & skf18("5","5","6","2","4","5","1") = "5"
    & skf18("5","5","6","2","4","6","1") = "5"
    & skf18("5","5","6","2","4","7","1") = "6"
    & skf18("5","5","6","2","4","8","1") = "7"
    & skf18("5","5","6","2","4","9","1") = "8"
    & skf18("5","5","6","2","4","10","1") = "9"
    & skf18("5","5","6","2","5","1","1") = "5"
    & skf18("5","5","6","2","5","2","1") = "5"
    & skf18("5","5","6","2","5","3","1") = "5"
    & skf18("5","5","6","2","5","4","1") = "5"
    & skf18("5","5","6","2","5","5","1") = "5"
    & skf18("5","5","6","2","5","6","1") = "5"
    & skf18("5","5","6","2","5","7","1") = "6"
    & skf18("5","5","6","2","5","8","1") = "7"
    & skf18("5","5","6","2","5","9","1") = "8"
    & skf18("5","5","6","2","5","10","1") = "9"
    & skf18("5","5","6","2","6","1","1") = "5"
    & skf18("5","5","6","2","6","2","1") = "5"
    & skf18("5","5","6","2","6","3","1") = "4"
    & skf18("5","5","6","2","6","4","1") = "4"
    & skf18("5","5","6","2","6","5","1") = "5"
    & skf18("5","5","6","2","6","6","1") = "5"
    & skf18("5","5","6","2","6","7","1") = "6"
    & skf18("5","5","6","2","6","8","1") = "7"
    & skf18("5","5","6","2","6","9","1") = "8"
    & skf18("5","5","6","2","6","10","1") = "9"
    & skf18("5","5","6","2","7","1","1") = "6"
    & skf18("5","5","6","2","7","2","1") = "6"
    & skf18("5","5","6","2","7","3","1") = "6"
    & skf18("5","5","6","2","7","4","1") = "6"
    & skf18("5","5","6","2","7","5","1") = "6"
    & skf18("5","5","6","2","7","6","1") = "6"
    & skf18("5","5","6","2","7","7","1") = "6"
    & skf18("5","5","6","2","7","8","1") = "7"
    & skf18("5","5","6","2","7","9","1") = "8"
    & skf18("5","5","6","2","7","10","1") = "9"
    & skf18("5","5","6","2","8","1","1") = "7"
    & skf18("5","5","6","2","8","2","1") = "7"
    & skf18("5","5","6","2","8","3","1") = "7"
    & skf18("5","5","6","2","8","4","1") = "7"
    & skf18("5","5","6","2","8","5","1") = "7"
    & skf18("5","5","6","2","8","6","1") = "7"
    & skf18("5","5","6","2","8","7","1") = "7"
    & skf18("5","5","6","2","8","8","1") = "7"
    & skf18("5","5","6","2","8","9","1") = "8"
    & skf18("5","5","6","2","8","10","1") = "9"
    & skf18("5","5","6","2","9","1","1") = "8"
    & skf18("5","5","6","2","9","2","1") = "8"
    & skf18("5","5","6","2","9","3","1") = "8"
    & skf18("5","5","6","2","9","4","1") = "8"
    & skf18("5","5","6","2","9","5","1") = "8"
    & skf18("5","5","6","2","9","6","1") = "8"
    & skf18("5","5","6","2","9","7","1") = "8"
    & skf18("5","5","6","2","9","8","1") = "8"
    & skf18("5","5","6","2","9","9","1") = "8"
    & skf18("5","5","6","2","9","10","1") = "9"
    & skf18("5","5","6","2","10","1","1") = "9"
    & skf18("5","5","6","2","10","2","1") = "9"
    & skf18("5","5","6","2","10","3","1") = "9"
    & skf18("5","5","6","2","10","4","1") = "9"
    & skf18("5","5","6","2","10","5","1") = "9"
    & skf18("5","5","6","2","10","6","1") = "9"
    & skf18("5","5","6","2","10","7","1") = "9"
    & skf18("5","5","6","2","10","8","1") = "9"
    & skf18("5","5","6","2","10","9","1") = "9"
    & skf18("5","5","6","2","10","10","1") = "9"
    & skf18("5","5","6","3","1","1","1") = "4"
    & skf18("5","5","6","3","1","2","1") = "5"
    & skf18("5","5","6","3","1","3","1") = "5"
    & skf18("5","5","6","3","1","4","1") = "4"
    & skf18("5","5","6","3","1","5","1") = "4"
    & skf18("5","5","6","3","1","6","1") = "4"
    & skf18("5","5","6","3","1","7","1") = "6"
    & skf18("5","5","6","3","1","8","1") = "7"
    & skf18("5","5","6","3","1","9","1") = "8"
    & skf18("5","5","6","3","1","10","1") = "9"
    & skf18("5","5","6","3","2","1","1") = "4"
    & skf18("5","5","6","3","2","2","1") = "5"
    & skf18("5","5","6","3","2","3","1") = "5"
    & skf18("5","5","6","3","2","4","1") = "5"
    & skf18("5","5","6","3","2","5","1") = "5"
    & skf18("5","5","6","3","2","6","1") = "5"
    & skf18("5","5","6","3","2","7","1") = "6"
    & skf18("5","5","6","3","2","8","1") = "7"
    & skf18("5","5","6","3","2","9","1") = "8"
    & skf18("5","5","6","3","2","10","1") = "9"
    & skf18("5","5","6","3","3","1","1") = "5"
    & skf18("5","5","6","3","3","2","1") = "5"
    & skf18("5","5","6","3","3","3","1") = "5"
    & skf18("5","5","6","3","3","4","1") = "5"
    & skf18("5","5","6","3","3","5","1") = "5"
    & skf18("5","5","6","3","3","6","1") = "5"
    & skf18("5","5","6","3","3","7","1") = "6"
    & skf18("5","5","6","3","3","8","1") = "7"
    & skf18("5","5","6","3","3","9","1") = "8"
    & skf18("5","5","6","3","3","10","1") = "9"
    & skf18("5","5","6","3","4","1","1") = "5"
    & skf18("5","5","6","3","4","2","1") = "5"
    & skf18("5","5","6","3","4","3","1") = "5"
    & skf18("5","5","6","3","4","4","1") = "5"
    & skf18("5","5","6","3","4","5","1") = "5"
    & skf18("5","5","6","3","4","6","1") = "5"
    & skf18("5","5","6","3","4","7","1") = "6"
    & skf18("5","5","6","3","4","8","1") = "7"
    & skf18("5","5","6","3","4","9","1") = "8"
    & skf18("5","5","6","3","4","10","1") = "9"
    & skf18("5","5","6","3","5","1","1") = "5"
    & skf18("5","5","6","3","5","2","1") = "5"
    & skf18("5","5","6","3","5","3","1") = "5"
    & skf18("5","5","6","3","5","4","1") = "5"
    & skf18("5","5","6","3","5","5","1") = "5"
    & skf18("5","5","6","3","5","6","1") = "5"
    & skf18("5","5","6","3","5","7","1") = "6"
    & skf18("5","5","6","3","5","8","1") = "7"
    & skf18("5","5","6","3","5","9","1") = "8"
    & skf18("5","5","6","3","5","10","1") = "9"
    & skf18("5","5","6","3","6","1","1") = "5"
    & skf18("5","5","6","3","6","2","1") = "5"
    & skf18("5","5","6","3","6","3","1") = "5"
    & skf18("5","5","6","3","6","4","1") = "5"
    & skf18("5","5","6","3","6","5","1") = "5"
    & skf18("5","5","6","3","6","6","1") = "5"
    & skf18("5","5","6","3","6","7","1") = "6"
    & skf18("5","5","6","3","6","8","1") = "7"
    & skf18("5","5","6","3","6","9","1") = "8"
    & skf18("5","5","6","3","6","10","1") = "9"
    & skf18("5","5","6","3","7","1","1") = "6"
    & skf18("5","5","6","3","7","2","1") = "6"
    & skf18("5","5","6","3","7","3","1") = "6"
    & skf18("5","5","6","3","7","4","1") = "6"
    & skf18("5","5","6","3","7","5","1") = "6"
    & skf18("5","5","6","3","7","6","1") = "6"
    & skf18("5","5","6","3","7","7","1") = "6"
    & skf18("5","5","6","3","7","8","1") = "7"
    & skf18("5","5","6","3","7","9","1") = "8"
    & skf18("5","5","6","3","7","10","1") = "9"
    & skf18("5","5","6","3","8","1","1") = "7"
    & skf18("5","5","6","3","8","2","1") = "7"
    & skf18("5","5","6","3","8","3","1") = "7"
    & skf18("5","5","6","3","8","4","1") = "7"
    & skf18("5","5","6","3","8","5","1") = "7"
    & skf18("5","5","6","3","8","6","1") = "7"
    & skf18("5","5","6","3","8","7","1") = "7"
    & skf18("5","5","6","3","8","8","1") = "7"
    & skf18("5","5","6","3","8","9","1") = "8"
    & skf18("5","5","6","3","8","10","1") = "9"
    & skf18("5","5","6","3","9","1","1") = "8"
    & skf18("5","5","6","3","9","2","1") = "8"
    & skf18("5","5","6","3","9","3","1") = "8"
    & skf18("5","5","6","3","9","4","1") = "8"
    & skf18("5","5","6","3","9","5","1") = "8"
    & skf18("5","5","6","3","9","6","1") = "8"
    & skf18("5","5","6","3","9","7","1") = "8"
    & skf18("5","5","6","3","9","8","1") = "8"
    & skf18("5","5","6","3","9","9","1") = "8"
    & skf18("5","5","6","3","9","10","1") = "9"
    & skf18("5","5","6","3","10","1","1") = "9"
    & skf18("5","5","6","3","10","2","1") = "9"
    & skf18("5","5","6","3","10","3","1") = "9"
    & skf18("5","5","6","3","10","4","1") = "9"
    & skf18("5","5","6","3","10","5","1") = "9"
    & skf18("5","5","6","3","10","6","1") = "9"
    & skf18("5","5","6","3","10","7","1") = "9"
    & skf18("5","5","6","3","10","8","1") = "9"
    & skf18("5","5","6","3","10","9","1") = "9"
    & skf18("5","5","6","3","10","10","1") = "9"
    & skf18("5","5","6","4","1","1","1") = "5"
    & skf18("5","5","6","4","1","2","1") = "5"
    & skf18("5","5","6","4","1","3","1") = "5"
    & skf18("5","5","6","4","1","4","1") = "5"
    & skf18("5","5","6","4","1","5","1") = "5"
    & skf18("5","5","6","4","1","6","1") = "5"
    & skf18("5","5","6","4","1","7","1") = "6"
    & skf18("5","5","6","4","1","8","1") = "7"
    & skf18("5","5","6","4","1","9","1") = "8"
    & skf18("5","5","6","4","1","10","1") = "9"
    & skf18("5","5","6","4","2","1","1") = "5"
    & skf18("5","5","6","4","2","2","1") = "5"
    & skf18("5","5","6","4","2","3","1") = "5"
    & skf18("5","5","6","4","2","4","1") = "5"
    & skf18("5","5","6","4","2","5","1") = "5"
    & skf18("5","5","6","4","2","6","1") = "5"
    & skf18("5","5","6","4","2","7","1") = "6"
    & skf18("5","5","6","4","2","8","1") = "7"
    & skf18("5","5","6","4","2","9","1") = "8"
    & skf18("5","5","6","4","2","10","1") = "9"
    & skf18("5","5","6","4","3","1","1") = "5"
    & skf18("5","5","6","4","3","2","1") = "5"
    & skf18("5","5","6","4","3","3","1") = "5"
    & skf18("5","5","6","4","3","4","1") = "5"
    & skf18("5","5","6","4","3","5","1") = "5"
    & skf18("5","5","6","4","3","6","1") = "5"
    & skf18("5","5","6","4","3","7","1") = "6"
    & skf18("5","5","6","4","3","8","1") = "7"
    & skf18("5","5","6","4","3","9","1") = "8"
    & skf18("5","5","6","4","3","10","1") = "9"
    & skf18("5","5","6","4","4","1","1") = "5"
    & skf18("5","5","6","4","4","2","1") = "5"
    & skf18("5","5","6","4","4","3","1") = "5"
    & skf18("5","5","6","4","4","4","1") = "5"
    & skf18("5","5","6","4","4","5","1") = "5"
    & skf18("5","5","6","4","4","6","1") = "5"
    & skf18("5","5","6","4","4","7","1") = "6"
    & skf18("5","5","6","4","4","8","1") = "7"
    & skf18("5","5","6","4","4","9","1") = "8"
    & skf18("5","5","6","4","4","10","1") = "9"
    & skf18("5","5","6","4","5","1","1") = "5"
    & skf18("5","5","6","4","5","2","1") = "5"
    & skf18("5","5","6","4","5","3","1") = "5"
    & skf18("5","5","6","4","5","4","1") = "5"
    & skf18("5","5","6","4","5","5","1") = "5"
    & skf18("5","5","6","4","5","6","1") = "5"
    & skf18("5","5","6","4","5","7","1") = "6"
    & skf18("5","5","6","4","5","8","1") = "7"
    & skf18("5","5","6","4","5","9","1") = "8"
    & skf18("5","5","6","4","5","10","1") = "9"
    & skf18("5","5","6","4","6","1","1") = "5"
    & skf18("5","5","6","4","6","2","1") = "5"
    & skf18("5","5","6","4","6","3","1") = "5"
    & skf18("5","5","6","4","6","4","1") = "5"
    & skf18("5","5","6","4","6","5","1") = "5"
    & skf18("5","5","6","4","6","6","1") = "5"
    & skf18("5","5","6","4","6","7","1") = "6"
    & skf18("5","5","6","4","6","8","1") = "7"
    & skf18("5","5","6","4","6","9","1") = "8"
    & skf18("5","5","6","4","6","10","1") = "9"
    & skf18("5","5","6","4","7","1","1") = "6"
    & skf18("5","5","6","4","7","2","1") = "6"
    & skf18("5","5","6","4","7","3","1") = "6"
    & skf18("5","5","6","4","7","4","1") = "6"
    & skf18("5","5","6","4","7","5","1") = "6"
    & skf18("5","5","6","4","7","6","1") = "6"
    & skf18("5","5","6","4","7","7","1") = "6"
    & skf18("5","5","6","4","7","8","1") = "7"
    & skf18("5","5","6","4","7","9","1") = "8"
    & skf18("5","5","6","4","7","10","1") = "9"
    & skf18("5","5","6","4","8","1","1") = "7"
    & skf18("5","5","6","4","8","2","1") = "7"
    & skf18("5","5","6","4","8","3","1") = "7"
    & skf18("5","5","6","4","8","4","1") = "7"
    & skf18("5","5","6","4","8","5","1") = "7"
    & skf18("5","5","6","4","8","6","1") = "7"
    & skf18("5","5","6","4","8","7","1") = "7"
    & skf18("5","5","6","4","8","8","1") = "7"
    & skf18("5","5","6","4","8","9","1") = "8"
    & skf18("5","5","6","4","8","10","1") = "9"
    & skf18("5","5","6","4","9","1","1") = "8"
    & skf18("5","5","6","4","9","2","1") = "8"
    & skf18("5","5","6","4","9","3","1") = "8"
    & skf18("5","5","6","4","9","4","1") = "8"
    & skf18("5","5","6","4","9","5","1") = "8"
    & skf18("5","5","6","4","9","6","1") = "8"
    & skf18("5","5","6","4","9","7","1") = "8"
    & skf18("5","5","6","4","9","8","1") = "8"
    & skf18("5","5","6","4","9","9","1") = "8"
    & skf18("5","5","6","4","9","10","1") = "9"
    & skf18("5","5","6","4","10","1","1") = "9"
    & skf18("5","5","6","4","10","2","1") = "9"
    & skf18("5","5","6","4","10","3","1") = "9"
    & skf18("5","5","6","4","10","4","1") = "9"
    & skf18("5","5","6","4","10","5","1") = "9"
    & skf18("5","5","6","4","10","6","1") = "9"
    & skf18("5","5","6","4","10","7","1") = "9"
    & skf18("5","5","6","4","10","8","1") = "9"
    & skf18("5","5","6","4","10","9","1") = "9"
    & skf18("5","5","6","4","10","10","1") = "9"
    & skf18("5","5","6","5","1","1","1") = "5"
    & skf18("5","5","6","5","1","2","1") = "5"
    & skf18("5","5","6","5","1","3","1") = "5"
    & skf18("5","5","6","5","1","4","1") = "5"
    & skf18("5","5","6","5","1","5","1") = "5"
    & skf18("5","5","6","5","1","6","1") = "5"
    & skf18("5","5","6","5","1","7","1") = "6"
    & skf18("5","5","6","5","1","8","1") = "7"
    & skf18("5","5","6","5","1","9","1") = "8"
    & skf18("5","5","6","5","1","10","1") = "9"
    & skf18("5","5","6","5","2","1","1") = "5"
    & skf18("5","5","6","5","2","2","1") = "5"
    & skf18("5","5","6","5","2","3","1") = "5"
    & skf18("5","5","6","5","2","4","1") = "5"
    & skf18("5","5","6","5","2","5","1") = "5"
    & skf18("5","5","6","5","2","6","1") = "5"
    & skf18("5","5","6","5","2","7","1") = "6"
    & skf18("5","5","6","5","2","8","1") = "7"
    & skf18("5","5","6","5","2","9","1") = "8"
    & skf18("5","5","6","5","2","10","1") = "9"
    & skf18("5","5","6","5","3","1","1") = "5"
    & skf18("5","5","6","5","3","2","1") = "5"
    & skf18("5","5","6","5","3","3","1") = "5"
    & skf18("5","5","6","5","3","4","1") = "5"
    & skf18("5","5","6","5","3","5","1") = "5"
    & skf18("5","5","6","5","3","6","1") = "5"
    & skf18("5","5","6","5","3","7","1") = "6"
    & skf18("5","5","6","5","3","8","1") = "7"
    & skf18("5","5","6","5","3","9","1") = "8"
    & skf18("5","5","6","5","3","10","1") = "9"
    & skf18("5","5","6","5","4","1","1") = "5"
    & skf18("5","5","6","5","4","2","1") = "5"
    & skf18("5","5","6","5","4","3","1") = "5"
    & skf18("5","5","6","5","4","4","1") = "5"
    & skf18("5","5","6","5","4","5","1") = "5"
    & skf18("5","5","6","5","4","6","1") = "5"
    & skf18("5","5","6","5","4","7","1") = "6"
    & skf18("5","5","6","5","4","8","1") = "7"
    & skf18("5","5","6","5","4","9","1") = "8"
    & skf18("5","5","6","5","4","10","1") = "9"
    & skf18("5","5","6","5","5","1","1") = "5"
    & skf18("5","5","6","5","5","2","1") = "5"
    & skf18("5","5","6","5","5","3","1") = "5"
    & skf18("5","5","6","5","5","4","1") = "5"
    & skf18("5","5","6","5","5","5","1") = "5"
    & skf18("5","5","6","5","5","6","1") = "5"
    & skf18("5","5","6","5","5","7","1") = "6"
    & skf18("5","5","6","5","5","8","1") = "7"
    & skf18("5","5","6","5","5","9","1") = "8"
    & skf18("5","5","6","5","5","10","1") = "9"
    & skf18("5","5","6","5","6","1","1") = "5"
    & skf18("5","5","6","5","6","2","1") = "5"
    & skf18("5","5","6","5","6","3","1") = "5"
    & skf18("5","5","6","5","6","4","1") = "5"
    & skf18("5","5","6","5","6","5","1") = "5"
    & skf18("5","5","6","5","6","6","1") = "5"
    & skf18("5","5","6","5","6","7","1") = "6"
    & skf18("5","5","6","5","6","8","1") = "7"
    & skf18("5","5","6","5","6","9","1") = "8"
    & skf18("5","5","6","5","6","10","1") = "9"
    & skf18("5","5","6","5","7","1","1") = "6"
    & skf18("5","5","6","5","7","2","1") = "6"
    & skf18("5","5","6","5","7","3","1") = "6"
    & skf18("5","5","6","5","7","4","1") = "6"
    & skf18("5","5","6","5","7","5","1") = "6"
    & skf18("5","5","6","5","7","6","1") = "6"
    & skf18("5","5","6","5","7","7","1") = "6"
    & skf18("5","5","6","5","7","8","1") = "7"
    & skf18("5","5","6","5","7","9","1") = "8"
    & skf18("5","5","6","5","7","10","1") = "9"
    & skf18("5","5","6","5","8","1","1") = "7"
    & skf18("5","5","6","5","8","2","1") = "7"
    & skf18("5","5","6","5","8","3","1") = "7"
    & skf18("5","5","6","5","8","4","1") = "7"
    & skf18("5","5","6","5","8","5","1") = "7"
    & skf18("5","5","6","5","8","6","1") = "7"
    & skf18("5","5","6","5","8","7","1") = "7"
    & skf18("5","5","6","5","8","8","1") = "7"
    & skf18("5","5","6","5","8","9","1") = "8"
    & skf18("5","5","6","5","8","10","1") = "9"
    & skf18("5","5","6","5","9","1","1") = "8"
    & skf18("5","5","6","5","9","2","1") = "8"
    & skf18("5","5","6","5","9","3","1") = "8"
    & skf18("5","5","6","5","9","4","1") = "8"
    & skf18("5","5","6","5","9","5","1") = "8"
    & skf18("5","5","6","5","9","6","1") = "8"
    & skf18("5","5","6","5","9","7","1") = "8"
    & skf18("5","5","6","5","9","8","1") = "8"
    & skf18("5","5","6","5","9","9","1") = "8"
    & skf18("5","5","6","5","9","10","1") = "9"
    & skf18("5","5","6","5","10","1","1") = "9"
    & skf18("5","5","6","5","10","2","1") = "9"
    & skf18("5","5","6","5","10","3","1") = "9"
    & skf18("5","5","6","5","10","4","1") = "9"
    & skf18("5","5","6","5","10","5","1") = "9"
    & skf18("5","5","6","5","10","6","1") = "9"
    & skf18("5","5","6","5","10","7","1") = "9"
    & skf18("5","5","6","5","10","8","1") = "9"
    & skf18("5","5","6","5","10","9","1") = "9"
    & skf18("5","5","6","5","10","10","1") = "9"
    & skf18("5","5","6","6","1","1","1") = "5"
    & skf18("5","5","6","6","1","2","1") = "5"
    & skf18("5","5","6","6","1","3","1") = "5"
    & skf18("5","5","6","6","1","4","1") = "5"
    & skf18("5","5","6","6","1","5","1") = "5"
    & skf18("5","5","6","6","1","6","1") = "5"
    & skf18("5","5","6","6","1","7","1") = "6"
    & skf18("5","5","6","6","1","8","1") = "7"
    & skf18("5","5","6","6","1","9","1") = "8"
    & skf18("5","5","6","6","1","10","1") = "9"
    & skf18("5","5","6","6","2","1","1") = "5"
    & skf18("5","5","6","6","2","2","1") = "5"
    & skf18("5","5","6","6","2","3","1") = "5"
    & skf18("5","5","6","6","2","4","1") = "5"
    & skf18("5","5","6","6","2","5","1") = "5"
    & skf18("5","5","6","6","2","6","1") = "5"
    & skf18("5","5","6","6","2","7","1") = "6"
    & skf18("5","5","6","6","2","8","1") = "7"
    & skf18("5","5","6","6","2","9","1") = "8"
    & skf18("5","5","6","6","2","10","1") = "9"
    & skf18("5","5","6","6","3","1","1") = "5"
    & skf18("5","5","6","6","3","2","1") = "5"
    & skf18("5","5","6","6","3","3","1") = "5"
    & skf18("5","5","6","6","3","4","1") = "5"
    & skf18("5","5","6","6","3","5","1") = "5"
    & skf18("5","5","6","6","3","6","1") = "5"
    & skf18("5","5","6","6","3","7","1") = "6"
    & skf18("5","5","6","6","3","8","1") = "7"
    & skf18("5","5","6","6","3","9","1") = "8"
    & skf18("5","5","6","6","3","10","1") = "9"
    & skf18("5","5","6","6","4","1","1") = "5"
    & skf18("5","5","6","6","4","2","1") = "5"
    & skf18("5","5","6","6","4","3","1") = "5"
    & skf18("5","5","6","6","4","4","1") = "5"
    & skf18("5","5","6","6","4","5","1") = "5"
    & skf18("5","5","6","6","4","6","1") = "5"
    & skf18("5","5","6","6","4","7","1") = "6"
    & skf18("5","5","6","6","4","8","1") = "7"
    & skf18("5","5","6","6","4","9","1") = "8"
    & skf18("5","5","6","6","4","10","1") = "9"
    & skf18("5","5","6","6","5","1","1") = "5"
    & skf18("5","5","6","6","5","2","1") = "5"
    & skf18("5","5","6","6","5","3","1") = "5"
    & skf18("5","5","6","6","5","4","1") = "5"
    & skf18("5","5","6","6","5","5","1") = "5"
    & skf18("5","5","6","6","5","6","1") = "5"
    & skf18("5","5","6","6","5","7","1") = "6"
    & skf18("5","5","6","6","5","8","1") = "7"
    & skf18("5","5","6","6","5","9","1") = "8"
    & skf18("5","5","6","6","5","10","1") = "9"
    & skf18("5","5","6","6","6","1","1") = "5"
    & skf18("5","5","6","6","6","2","1") = "5"
    & skf18("5","5","6","6","6","3","1") = "5"
    & skf18("5","5","6","6","6","4","1") = "5"
    & skf18("5","5","6","6","6","5","1") = "5"
    & skf18("5","5","6","6","6","6","1") = "5"
    & skf18("5","5","6","6","6","7","1") = "6"
    & skf18("5","5","6","6","6","8","1") = "7"
    & skf18("5","5","6","6","6","9","1") = "8"
    & skf18("5","5","6","6","6","10","1") = "9"
    & skf18("5","5","6","6","7","1","1") = "6"
    & skf18("5","5","6","6","7","2","1") = "6"
    & skf18("5","5","6","6","7","3","1") = "6"
    & skf18("5","5","6","6","7","4","1") = "6"
    & skf18("5","5","6","6","7","5","1") = "6"
    & skf18("5","5","6","6","7","6","1") = "6"
    & skf18("5","5","6","6","7","7","1") = "6"
    & skf18("5","5","6","6","7","8","1") = "7"
    & skf18("5","5","6","6","7","9","1") = "8"
    & skf18("5","5","6","6","7","10","1") = "9"
    & skf18("5","5","6","6","8","1","1") = "7"
    & skf18("5","5","6","6","8","2","1") = "7"
    & skf18("5","5","6","6","8","3","1") = "7"
    & skf18("5","5","6","6","8","4","1") = "7"
    & skf18("5","5","6","6","8","5","1") = "7"
    & skf18("5","5","6","6","8","6","1") = "7"
    & skf18("5","5","6","6","8","7","1") = "7"
    & skf18("5","5","6","6","8","8","1") = "7"
    & skf18("5","5","6","6","8","9","1") = "8"
    & skf18("5","5","6","6","8","10","1") = "9"
    & skf18("5","5","6","6","9","1","1") = "8"
    & skf18("5","5","6","6","9","2","1") = "8"
    & skf18("5","5","6","6","9","3","1") = "8"
    & skf18("5","5","6","6","9","4","1") = "8"
    & skf18("5","5","6","6","9","5","1") = "8"
    & skf18("5","5","6","6","9","6","1") = "8"
    & skf18("5","5","6","6","9","7","1") = "8"
    & skf18("5","5","6","6","9","8","1") = "8"
    & skf18("5","5","6","6","9","9","1") = "8"
    & skf18("5","5","6","6","9","10","1") = "9"
    & skf18("5","5","6","6","10","1","1") = "9"
    & skf18("5","5","6","6","10","2","1") = "9"
    & skf18("5","5","6","6","10","3","1") = "9"
    & skf18("5","5","6","6","10","4","1") = "9"
    & skf18("5","5","6","6","10","5","1") = "9"
    & skf18("5","5","6","6","10","6","1") = "9"
    & skf18("5","5","6","6","10","7","1") = "9"
    & skf18("5","5","6","6","10","8","1") = "9"
    & skf18("5","5","6","6","10","9","1") = "9"
    & skf18("5","5","6","6","10","10","1") = "9"
    & skf18("5","5","6","7","1","1","1") = "6"
    & skf18("5","5","6","7","1","2","1") = "6"
    & skf18("5","5","6","7","1","3","1") = "6"
    & skf18("5","5","6","7","1","4","1") = "6"
    & skf18("5","5","6","7","1","5","1") = "6"
    & skf18("5","5","6","7","1","6","1") = "6"
    & skf18("5","5","6","7","1","7","1") = "6"
    & skf18("5","5","6","7","1","8","1") = "7"
    & skf18("5","5","6","7","1","9","1") = "8"
    & skf18("5","5","6","7","1","10","1") = "9"
    & skf18("5","5","6","7","2","1","1") = "6"
    & skf18("5","5","6","7","2","2","1") = "6"
    & skf18("5","5","6","7","2","3","1") = "6"
    & skf18("5","5","6","7","2","4","1") = "6"
    & skf18("5","5","6","7","2","5","1") = "6"
    & skf18("5","5","6","7","2","6","1") = "6"
    & skf18("5","5","6","7","2","7","1") = "6"
    & skf18("5","5","6","7","2","8","1") = "7"
    & skf18("5","5","6","7","2","9","1") = "8"
    & skf18("5","5","6","7","2","10","1") = "9"
    & skf18("5","5","6","7","3","1","1") = "6"
    & skf18("5","5","6","7","3","2","1") = "6"
    & skf18("5","5","6","7","3","3","1") = "6"
    & skf18("5","5","6","7","3","4","1") = "6"
    & skf18("5","5","6","7","3","5","1") = "6"
    & skf18("5","5","6","7","3","6","1") = "6"
    & skf18("5","5","6","7","3","7","1") = "6"
    & skf18("5","5","6","7","3","8","1") = "7"
    & skf18("5","5","6","7","3","9","1") = "8"
    & skf18("5","5","6","7","3","10","1") = "9"
    & skf18("5","5","6","7","4","1","1") = "6"
    & skf18("5","5","6","7","4","2","1") = "6"
    & skf18("5","5","6","7","4","3","1") = "6"
    & skf18("5","5","6","7","4","4","1") = "6"
    & skf18("5","5","6","7","4","5","1") = "6"
    & skf18("5","5","6","7","4","6","1") = "6"
    & skf18("5","5","6","7","4","7","1") = "6"
    & skf18("5","5","6","7","4","8","1") = "7"
    & skf18("5","5","6","7","4","9","1") = "8"
    & skf18("5","5","6","7","4","10","1") = "9"
    & skf18("5","5","6","7","5","1","1") = "6"
    & skf18("5","5","6","7","5","2","1") = "6"
    & skf18("5","5","6","7","5","3","1") = "6"
    & skf18("5","5","6","7","5","4","1") = "6"
    & skf18("5","5","6","7","5","5","1") = "6"
    & skf18("5","5","6","7","5","6","1") = "6"
    & skf18("5","5","6","7","5","7","1") = "6"
    & skf18("5","5","6","7","5","8","1") = "7"
    & skf18("5","5","6","7","5","9","1") = "8"
    & skf18("5","5","6","7","5","10","1") = "9"
    & skf18("5","5","6","7","6","1","1") = "6"
    & skf18("5","5","6","7","6","2","1") = "6"
    & skf18("5","5","6","7","6","3","1") = "6"
    & skf18("5","5","6","7","6","4","1") = "6"
    & skf18("5","5","6","7","6","5","1") = "6"
    & skf18("5","5","6","7","6","6","1") = "6"
    & skf18("5","5","6","7","6","7","1") = "6"
    & skf18("5","5","6","7","6","8","1") = "7"
    & skf18("5","5","6","7","6","9","1") = "8"
    & skf18("5","5","6","7","6","10","1") = "9"
    & skf18("5","5","6","7","7","1","1") = "6"
    & skf18("5","5","6","7","7","2","1") = "6"
    & skf18("5","5","6","7","7","3","1") = "6"
    & skf18("5","5","6","7","7","4","1") = "6"
    & skf18("5","5","6","7","7","5","1") = "6"
    & skf18("5","5","6","7","7","6","1") = "6"
    & skf18("5","5","6","7","7","7","1") = "6"
    & skf18("5","5","6","7","7","8","1") = "7"
    & skf18("5","5","6","7","7","9","1") = "8"
    & skf18("5","5","6","7","7","10","1") = "9"
    & skf18("5","5","6","7","8","1","1") = "7"
    & skf18("5","5","6","7","8","2","1") = "7"
    & skf18("5","5","6","7","8","3","1") = "7"
    & skf18("5","5","6","7","8","4","1") = "7"
    & skf18("5","5","6","7","8","5","1") = "7"
    & skf18("5","5","6","7","8","6","1") = "7"
    & skf18("5","5","6","7","8","7","1") = "7"
    & skf18("5","5","6","7","8","8","1") = "7"
    & skf18("5","5","6","7","8","9","1") = "8"
    & skf18("5","5","6","7","8","10","1") = "9"
    & skf18("5","5","6","7","9","1","1") = "8"
    & skf18("5","5","6","7","9","2","1") = "8"
    & skf18("5","5","6","7","9","3","1") = "8"
    & skf18("5","5","6","7","9","4","1") = "8"
    & skf18("5","5","6","7","9","5","1") = "8"
    & skf18("5","5","6","7","9","6","1") = "8"
    & skf18("5","5","6","7","9","7","1") = "8"
    & skf18("5","5","6","7","9","8","1") = "8"
    & skf18("5","5","6","7","9","9","1") = "8"
    & skf18("5","5","6","7","9","10","1") = "9"
    & skf18("5","5","6","7","10","1","1") = "9"
    & skf18("5","5","6","7","10","2","1") = "9"
    & skf18("5","5","6","7","10","3","1") = "9"
    & skf18("5","5","6","7","10","4","1") = "9"
    & skf18("5","5","6","7","10","5","1") = "9"
    & skf18("5","5","6","7","10","6","1") = "9"
    & skf18("5","5","6","7","10","7","1") = "9"
    & skf18("5","5","6","7","10","8","1") = "9"
    & skf18("5","5","6","7","10","9","1") = "9"
    & skf18("5","5","6","7","10","10","1") = "9"
    & skf18("5","5","6","8","1","1","1") = "7"
    & skf18("5","5","6","8","1","2","1") = "7"
    & skf18("5","5","6","8","1","3","1") = "7"
    & skf18("5","5","6","8","1","4","1") = "7"
    & skf18("5","5","6","8","1","5","1") = "7"
    & skf18("5","5","6","8","1","6","1") = "7"
    & skf18("5","5","6","8","1","7","1") = "7"
    & skf18("5","5","6","8","1","8","1") = "7"
    & skf18("5","5","6","8","1","9","1") = "8"
    & skf18("5","5","6","8","1","10","1") = "9"
    & skf18("5","5","6","8","2","1","1") = "7"
    & skf18("5","5","6","8","2","2","1") = "7"
    & skf18("5","5","6","8","2","3","1") = "7"
    & skf18("5","5","6","8","2","4","1") = "7"
    & skf18("5","5","6","8","2","5","1") = "7"
    & skf18("5","5","6","8","2","6","1") = "7"
    & skf18("5","5","6","8","2","7","1") = "7"
    & skf18("5","5","6","8","2","8","1") = "7"
    & skf18("5","5","6","8","2","9","1") = "8"
    & skf18("5","5","6","8","2","10","1") = "9"
    & skf18("5","5","6","8","3","1","1") = "7"
    & skf18("5","5","6","8","3","2","1") = "7"
    & skf18("5","5","6","8","3","3","1") = "7"
    & skf18("5","5","6","8","3","4","1") = "7"
    & skf18("5","5","6","8","3","5","1") = "7"
    & skf18("5","5","6","8","3","6","1") = "7"
    & skf18("5","5","6","8","3","7","1") = "7"
    & skf18("5","5","6","8","3","8","1") = "7"
    & skf18("5","5","6","8","3","9","1") = "8"
    & skf18("5","5","6","8","3","10","1") = "9"
    & skf18("5","5","6","8","4","1","1") = "7"
    & skf18("5","5","6","8","4","2","1") = "7"
    & skf18("5","5","6","8","4","3","1") = "7"
    & skf18("5","5","6","8","4","4","1") = "7"
    & skf18("5","5","6","8","4","5","1") = "7"
    & skf18("5","5","6","8","4","6","1") = "7"
    & skf18("5","5","6","8","4","7","1") = "7"
    & skf18("5","5","6","8","4","8","1") = "7"
    & skf18("5","5","6","8","4","9","1") = "8"
    & skf18("5","5","6","8","4","10","1") = "9"
    & skf18("5","5","6","8","5","1","1") = "7"
    & skf18("5","5","6","8","5","2","1") = "7"
    & skf18("5","5","6","8","5","3","1") = "7"
    & skf18("5","5","6","8","5","4","1") = "7"
    & skf18("5","5","6","8","5","5","1") = "7"
    & skf18("5","5","6","8","5","6","1") = "7"
    & skf18("5","5","6","8","5","7","1") = "7"
    & skf18("5","5","6","8","5","8","1") = "7"
    & skf18("5","5","6","8","5","9","1") = "8"
    & skf18("5","5","6","8","5","10","1") = "9"
    & skf18("5","5","6","8","6","1","1") = "7"
    & skf18("5","5","6","8","6","2","1") = "7"
    & skf18("5","5","6","8","6","3","1") = "7"
    & skf18("5","5","6","8","6","4","1") = "7"
    & skf18("5","5","6","8","6","5","1") = "7"
    & skf18("5","5","6","8","6","6","1") = "7"
    & skf18("5","5","6","8","6","7","1") = "7"
    & skf18("5","5","6","8","6","8","1") = "7"
    & skf18("5","5","6","8","6","9","1") = "8"
    & skf18("5","5","6","8","6","10","1") = "9"
    & skf18("5","5","6","8","7","1","1") = "7"
    & skf18("5","5","6","8","7","2","1") = "7"
    & skf18("5","5","6","8","7","3","1") = "7"
    & skf18("5","5","6","8","7","4","1") = "7"
    & skf18("5","5","6","8","7","5","1") = "7"
    & skf18("5","5","6","8","7","6","1") = "7"
    & skf18("5","5","6","8","7","7","1") = "7"
    & skf18("5","5","6","8","7","8","1") = "7"
    & skf18("5","5","6","8","7","9","1") = "8"
    & skf18("5","5","6","8","7","10","1") = "9"
    & skf18("5","5","6","8","8","1","1") = "7"
    & skf18("5","5","6","8","8","2","1") = "7"
    & skf18("5","5","6","8","8","3","1") = "7"
    & skf18("5","5","6","8","8","4","1") = "7"
    & skf18("5","5","6","8","8","5","1") = "7"
    & skf18("5","5","6","8","8","6","1") = "7"
    & skf18("5","5","6","8","8","7","1") = "7"
    & skf18("5","5","6","8","8","8","1") = "7"
    & skf18("5","5","6","8","8","9","1") = "8"
    & skf18("5","5","6","8","8","10","1") = "9"
    & skf18("5","5","6","8","9","1","1") = "8"
    & skf18("5","5","6","8","9","2","1") = "8"
    & skf18("5","5","6","8","9","3","1") = "8"
    & skf18("5","5","6","8","9","4","1") = "8"
    & skf18("5","5","6","8","9","5","1") = "8"
    & skf18("5","5","6","8","9","6","1") = "8"
    & skf18("5","5","6","8","9","7","1") = "8"
    & skf18("5","5","6","8","9","8","1") = "8"
    & skf18("5","5","6","8","9","9","1") = "8"
    & skf18("5","5","6","8","9","10","1") = "9"
    & skf18("5","5","6","8","10","1","1") = "9"
    & skf18("5","5","6","8","10","2","1") = "9"
    & skf18("5","5","6","8","10","3","1") = "9"
    & skf18("5","5","6","8","10","4","1") = "9"
    & skf18("5","5","6","8","10","5","1") = "9"
    & skf18("5","5","6","8","10","6","1") = "9"
    & skf18("5","5","6","8","10","7","1") = "9"
    & skf18("5","5","6","8","10","8","1") = "9"
    & skf18("5","5","6","8","10","9","1") = "9"
    & skf18("5","5","6","8","10","10","1") = "9"
    & skf18("5","5","6","9","1","1","1") = "8"
    & skf18("5","5","6","9","1","2","1") = "8"
    & skf18("5","5","6","9","1","3","1") = "8"
    & skf18("5","5","6","9","1","4","1") = "8"
    & skf18("5","5","6","9","1","5","1") = "8"
    & skf18("5","5","6","9","1","6","1") = "8"
    & skf18("5","5","6","9","1","7","1") = "8"
    & skf18("5","5","6","9","1","8","1") = "8"
    & skf18("5","5","6","9","1","9","1") = "8"
    & skf18("5","5","6","9","1","10","1") = "9"
    & skf18("5","5","6","9","2","1","1") = "8"
    & skf18("5","5","6","9","2","2","1") = "8"
    & skf18("5","5","6","9","2","3","1") = "8"
    & skf18("5","5","6","9","2","4","1") = "8"
    & skf18("5","5","6","9","2","5","1") = "8"
    & skf18("5","5","6","9","2","6","1") = "8"
    & skf18("5","5","6","9","2","7","1") = "8"
    & skf18("5","5","6","9","2","8","1") = "8"
    & skf18("5","5","6","9","2","9","1") = "8"
    & skf18("5","5","6","9","2","10","1") = "9"
    & skf18("5","5","6","9","3","1","1") = "8"
    & skf18("5","5","6","9","3","2","1") = "8"
    & skf18("5","5","6","9","3","3","1") = "8"
    & skf18("5","5","6","9","3","4","1") = "8"
    & skf18("5","5","6","9","3","5","1") = "8"
    & skf18("5","5","6","9","3","6","1") = "8"
    & skf18("5","5","6","9","3","7","1") = "8"
    & skf18("5","5","6","9","3","8","1") = "8"
    & skf18("5","5","6","9","3","9","1") = "8"
    & skf18("5","5","6","9","3","10","1") = "9"
    & skf18("5","5","6","9","4","1","1") = "8"
    & skf18("5","5","6","9","4","2","1") = "8"
    & skf18("5","5","6","9","4","3","1") = "8"
    & skf18("5","5","6","9","4","4","1") = "8"
    & skf18("5","5","6","9","4","5","1") = "8"
    & skf18("5","5","6","9","4","6","1") = "8"
    & skf18("5","5","6","9","4","7","1") = "8"
    & skf18("5","5","6","9","4","8","1") = "8"
    & skf18("5","5","6","9","4","9","1") = "8"
    & skf18("5","5","6","9","4","10","1") = "9"
    & skf18("5","5","6","9","5","1","1") = "8"
    & skf18("5","5","6","9","5","2","1") = "8"
    & skf18("5","5","6","9","5","3","1") = "8"
    & skf18("5","5","6","9","5","4","1") = "8"
    & skf18("5","5","6","9","5","5","1") = "8"
    & skf18("5","5","6","9","5","6","1") = "8"
    & skf18("5","5","6","9","5","7","1") = "8"
    & skf18("5","5","6","9","5","8","1") = "8"
    & skf18("5","5","6","9","5","9","1") = "8"
    & skf18("5","5","6","9","5","10","1") = "9"
    & skf18("5","5","6","9","6","1","1") = "8"
    & skf18("5","5","6","9","6","2","1") = "8"
    & skf18("5","5","6","9","6","3","1") = "8"
    & skf18("5","5","6","9","6","4","1") = "8"
    & skf18("5","5","6","9","6","5","1") = "8"
    & skf18("5","5","6","9","6","6","1") = "8"
    & skf18("5","5","6","9","6","7","1") = "8"
    & skf18("5","5","6","9","6","8","1") = "8"
    & skf18("5","5","6","9","6","9","1") = "8"
    & skf18("5","5","6","9","6","10","1") = "9"
    & skf18("5","5","6","9","7","1","1") = "8"
    & skf18("5","5","6","9","7","2","1") = "8"
    & skf18("5","5","6","9","7","3","1") = "8"
    & skf18("5","5","6","9","7","4","1") = "8"
    & skf18("5","5","6","9","7","5","1") = "8"
    & skf18("5","5","6","9","7","6","1") = "8"
    & skf18("5","5","6","9","7","7","1") = "8"
    & skf18("5","5","6","9","7","8","1") = "8"
    & skf18("5","5","6","9","7","9","1") = "8"
    & skf18("5","5","6","9","7","10","1") = "9"
    & skf18("5","5","6","9","8","1","1") = "8"
    & skf18("5","5","6","9","8","2","1") = "8"
    & skf18("5","5","6","9","8","3","1") = "8"
    & skf18("5","5","6","9","8","4","1") = "8"
    & skf18("5","5","6","9","8","5","1") = "8"
    & skf18("5","5","6","9","8","6","1") = "8"
    & skf18("5","5","6","9","8","7","1") = "8"
    & skf18("5","5","6","9","8","8","1") = "8"
    & skf18("5","5","6","9","8","9","1") = "8"
    & skf18("5","5","6","9","8","10","1") = "9"
    & skf18("5","5","6","9","9","1","1") = "8"
    & skf18("5","5","6","9","9","2","1") = "8"
    & skf18("5","5","6","9","9","3","1") = "8"
    & skf18("5","5","6","9","9","4","1") = "8"
    & skf18("5","5","6","9","9","5","1") = "8"
    & skf18("5","5","6","9","9","6","1") = "8"
    & skf18("5","5","6","9","9","7","1") = "8"
    & skf18("5","5","6","9","9","8","1") = "8"
    & skf18("5","5","6","9","9","9","1") = "8"
    & skf18("5","5","6","9","9","10","1") = "9"
    & skf18("5","5","6","9","10","1","1") = "9"
    & skf18("5","5","6","9","10","2","1") = "9"
    & skf18("5","5","6","9","10","3","1") = "9"
    & skf18("5","5","6","9","10","4","1") = "9"
    & skf18("5","5","6","9","10","5","1") = "9"
    & skf18("5","5","6","9","10","6","1") = "9"
    & skf18("5","5","6","9","10","7","1") = "9"
    & skf18("5","5","6","9","10","8","1") = "9"
    & skf18("5","5","6","9","10","9","1") = "9"
    & skf18("5","5","6","9","10","10","1") = "9"
    & skf18("5","5","6","10","1","1","1") = "9"
    & skf18("5","5","6","10","1","2","1") = "9"
    & skf18("5","5","6","10","1","3","1") = "9"
    & skf18("5","5","6","10","1","4","1") = "9"
    & skf18("5","5","6","10","1","5","1") = "9"
    & skf18("5","5","6","10","1","6","1") = "9"
    & skf18("5","5","6","10","1","7","1") = "9"
    & skf18("5","5","6","10","1","8","1") = "9"
    & skf18("5","5","6","10","1","9","1") = "9"
    & skf18("5","5","6","10","1","10","1") = "9"
    & skf18("5","5","6","10","2","1","1") = "9"
    & skf18("5","5","6","10","2","2","1") = "9"
    & skf18("5","5","6","10","2","3","1") = "9"
    & skf18("5","5","6","10","2","4","1") = "9"
    & skf18("5","5","6","10","2","5","1") = "9"
    & skf18("5","5","6","10","2","6","1") = "9"
    & skf18("5","5","6","10","2","7","1") = "9"
    & skf18("5","5","6","10","2","8","1") = "9"
    & skf18("5","5","6","10","2","9","1") = "9"
    & skf18("5","5","6","10","2","10","1") = "9"
    & skf18("5","5","6","10","3","1","1") = "9"
    & skf18("5","5","6","10","3","2","1") = "9"
    & skf18("5","5","6","10","3","3","1") = "9"
    & skf18("5","5","6","10","3","4","1") = "9"
    & skf18("5","5","6","10","3","5","1") = "9"
    & skf18("5","5","6","10","3","6","1") = "9"
    & skf18("5","5","6","10","3","7","1") = "9"
    & skf18("5","5","6","10","3","8","1") = "9"
    & skf18("5","5","6","10","3","9","1") = "9"
    & skf18("5","5","6","10","3","10","1") = "9"
    & skf18("5","5","6","10","4","1","1") = "9"
    & skf18("5","5","6","10","4","2","1") = "9"
    & skf18("5","5","6","10","4","3","1") = "9"
    & skf18("5","5","6","10","4","4","1") = "9"
    & skf18("5","5","6","10","4","5","1") = "9"
    & skf18("5","5","6","10","4","6","1") = "9"
    & skf18("5","5","6","10","4","7","1") = "9"
    & skf18("5","5","6","10","4","8","1") = "9"
    & skf18("5","5","6","10","4","9","1") = "9"
    & skf18("5","5","6","10","4","10","1") = "9"
    & skf18("5","5","6","10","5","1","1") = "9"
    & skf18("5","5","6","10","5","2","1") = "9"
    & skf18("5","5","6","10","5","3","1") = "9"
    & skf18("5","5","6","10","5","4","1") = "9"
    & skf18("5","5","6","10","5","5","1") = "9"
    & skf18("5","5","6","10","5","6","1") = "9"
    & skf18("5","5","6","10","5","7","1") = "9"
    & skf18("5","5","6","10","5","8","1") = "9"
    & skf18("5","5","6","10","5","9","1") = "9"
    & skf18("5","5","6","10","5","10","1") = "9"
    & skf18("5","5","6","10","6","1","1") = "9"
    & skf18("5","5","6","10","6","2","1") = "9"
    & skf18("5","5","6","10","6","3","1") = "9"
    & skf18("5","5","6","10","6","4","1") = "9"
    & skf18("5","5","6","10","6","5","1") = "9"
    & skf18("5","5","6","10","6","6","1") = "9"
    & skf18("5","5","6","10","6","7","1") = "9"
    & skf18("5","5","6","10","6","8","1") = "9"
    & skf18("5","5","6","10","6","9","1") = "9"
    & skf18("5","5","6","10","6","10","1") = "9"
    & skf18("5","5","6","10","7","1","1") = "9"
    & skf18("5","5","6","10","7","2","1") = "9"
    & skf18("5","5","6","10","7","3","1") = "9"
    & skf18("5","5","6","10","7","4","1") = "9"
    & skf18("5","5","6","10","7","5","1") = "9"
    & skf18("5","5","6","10","7","6","1") = "9"
    & skf18("5","5","6","10","7","7","1") = "9"
    & skf18("5","5","6","10","7","8","1") = "9"
    & skf18("5","5","6","10","7","9","1") = "9"
    & skf18("5","5","6","10","7","10","1") = "9"
    & skf18("5","5","6","10","8","1","1") = "9"
    & skf18("5","5","6","10","8","2","1") = "9"
    & skf18("5","5","6","10","8","3","1") = "9"
    & skf18("5","5","6","10","8","4","1") = "9"
    & skf18("5","5","6","10","8","5","1") = "9"
    & skf18("5","5","6","10","8","6","1") = "9"
    & skf18("5","5","6","10","8","7","1") = "9"
    & skf18("5","5","6","10","8","8","1") = "9"
    & skf18("5","5","6","10","8","9","1") = "9"
    & skf18("5","5","6","10","8","10","1") = "9"
    & skf18("5","5","6","10","9","1","1") = "9"
    & skf18("5","5","6","10","9","2","1") = "9"
    & skf18("5","5","6","10","9","3","1") = "9"
    & skf18("5","5","6","10","9","4","1") = "9"
    & skf18("5","5","6","10","9","5","1") = "9"
    & skf18("5","5","6","10","9","6","1") = "9"
    & skf18("5","5","6","10","9","7","1") = "9"
    & skf18("5","5","6","10","9","8","1") = "9"
    & skf18("5","5","6","10","9","9","1") = "9"
    & skf18("5","5","6","10","9","10","1") = "9"
    & skf18("5","5","6","10","10","1","1") = "9"
    & skf18("5","5","6","10","10","2","1") = "9"
    & skf18("5","5","6","10","10","3","1") = "9"
    & skf18("5","5","6","10","10","4","1") = "9"
    & skf18("5","5","6","10","10","5","1") = "9"
    & skf18("5","5","6","10","10","6","1") = "9"
    & skf18("5","5","6","10","10","7","1") = "9"
    & skf18("5","5","6","10","10","8","1") = "9"
    & skf18("5","5","6","10","10","9","1") = "9"
    & skf18("5","5","6","10","10","10","1") = "9"
    & skf18("5","5","7","1","1","1","1") = "6"
    & skf18("5","5","7","1","1","2","1") = "6"
    & skf18("5","5","7","1","1","3","1") = "6"
    & skf18("5","5","7","1","1","4","1") = "6"
    & skf18("5","5","7","1","1","5","1") = "6"
    & skf18("5","5","7","1","1","6","1") = "6"
    & skf18("5","5","7","1","1","7","1") = "6"
    & skf18("5","5","7","1","1","8","1") = "7"
    & skf18("5","5","7","1","1","9","1") = "8"
    & skf18("5","5","7","1","1","10","1") = "9"
    & skf18("5","5","7","1","2","1","1") = "6"
    & skf18("5","5","7","1","2","2","1") = "6"
    & skf18("5","5","7","1","2","3","1") = "6"
    & skf18("5","5","7","1","2","4","1") = "6"
    & skf18("5","5","7","1","2","5","1") = "6"
    & skf18("5","5","7","1","2","6","1") = "6"
    & skf18("5","5","7","1","2","7","1") = "6"
    & skf18("5","5","7","1","2","8","1") = "7"
    & skf18("5","5","7","1","2","9","1") = "8"
    & skf18("5","5","7","1","2","10","1") = "9"
    & skf18("5","5","7","1","3","1","1") = "6"
    & skf18("5","5","7","1","3","2","1") = "6"
    & skf18("5","5","7","1","3","3","1") = "6"
    & skf18("5","5","7","1","3","4","1") = "6"
    & skf18("5","5","7","1","3","5","1") = "6"
    & skf18("5","5","7","1","3","6","1") = "6"
    & skf18("5","5","7","1","3","7","1") = "6"
    & skf18("5","5","7","1","3","8","1") = "7"
    & skf18("5","5","7","1","3","9","1") = "8"
    & skf18("5","5","7","1","3","10","1") = "9"
    & skf18("5","5","7","1","4","1","1") = "6"
    & skf18("5","5","7","1","4","2","1") = "6"
    & skf18("5","5","7","1","4","3","1") = "6"
    & skf18("5","5","7","1","4","4","1") = "6"
    & skf18("5","5","7","1","4","5","1") = "6"
    & skf18("5","5","7","1","4","6","1") = "6"
    & skf18("5","5","7","1","4","7","1") = "6"
    & skf18("5","5","7","1","4","8","1") = "7"
    & skf18("5","5","7","1","4","9","1") = "8"
    & skf18("5","5","7","1","4","10","1") = "9"
    & skf18("5","5","7","1","5","1","1") = "6"
    & skf18("5","5","7","1","5","2","1") = "6"
    & skf18("5","5","7","1","5","3","1") = "6"
    & skf18("5","5","7","1","5","4","1") = "6"
    & skf18("5","5","7","1","5","5","1") = "6"
    & skf18("5","5","7","1","5","6","1") = "6"
    & skf18("5","5","7","1","5","7","1") = "6"
    & skf18("5","5","7","1","5","8","1") = "7"
    & skf18("5","5","7","1","5","9","1") = "8"
    & skf18("5","5","7","1","5","10","1") = "9"
    & skf18("5","5","7","1","6","1","1") = "6"
    & skf18("5","5","7","1","6","2","1") = "6"
    & skf18("5","5","7","1","6","3","1") = "6"
    & skf18("5","5","7","1","6","4","1") = "6"
    & skf18("5","5","7","1","6","5","1") = "6"
    & skf18("5","5","7","1","6","6","1") = "6"
    & skf18("5","5","7","1","6","7","1") = "6"
    & skf18("5","5","7","1","6","8","1") = "7"
    & skf18("5","5","7","1","6","9","1") = "8"
    & skf18("5","5","7","1","6","10","1") = "9"
    & skf18("5","5","7","1","7","1","1") = "6"
    & skf18("5","5","7","1","7","2","1") = "6"
    & skf18("5","5","7","1","7","3","1") = "6"
    & skf18("5","5","7","1","7","4","1") = "6"
    & skf18("5","5","7","1","7","5","1") = "6"
    & skf18("5","5","7","1","7","6","1") = "6"
    & skf18("5","5","7","1","7","7","1") = "6"
    & skf18("5","5","7","1","7","8","1") = "7"
    & skf18("5","5","7","1","7","9","1") = "8"
    & skf18("5","5","7","1","7","10","1") = "9"
    & skf18("5","5","7","1","8","1","1") = "7"
    & skf18("5","5","7","1","8","2","1") = "7"
    & skf18("5","5","7","1","8","3","1") = "7"
    & skf18("5","5","7","1","8","4","1") = "7"
    & skf18("5","5","7","1","8","5","1") = "7"
    & skf18("5","5","7","1","8","6","1") = "7"
    & skf18("5","5","7","1","8","7","1") = "7"
    & skf18("5","5","7","1","8","8","1") = "7"
    & skf18("5","5","7","1","8","9","1") = "8"
    & skf18("5","5","7","1","8","10","1") = "9"
    & skf18("5","5","7","1","9","1","1") = "8"
    & skf18("5","5","7","1","9","2","1") = "8"
    & skf18("5","5","7","1","9","3","1") = "8"
    & skf18("5","5","7","1","9","4","1") = "8"
    & skf18("5","5","7","1","9","5","1") = "8"
    & skf18("5","5","7","1","9","6","1") = "8"
    & skf18("5","5","7","1","9","7","1") = "8"
    & skf18("5","5","7","1","9","8","1") = "8"
    & skf18("5","5","7","1","9","9","1") = "8"
    & skf18("5","5","7","1","9","10","1") = "9"
    & skf18("5","5","7","1","10","1","1") = "9"
    & skf18("5","5","7","1","10","2","1") = "9"
    & skf18("5","5","7","1","10","3","1") = "9"
    & skf18("5","5","7","1","10","4","1") = "9"
    & skf18("5","5","7","1","10","5","1") = "9"
    & skf18("5","5","7","1","10","6","1") = "9"
    & skf18("5","5","7","1","10","7","1") = "9"
    & skf18("5","5","7","1","10","8","1") = "9"
    & skf18("5","5","7","1","10","9","1") = "9"
    & skf18("5","5","7","1","10","10","1") = "9"
    & skf18("5","5","7","2","1","1","1") = "6"
    & skf18("5","5","7","2","1","2","1") = "6"
    & skf18("5","5","7","2","1","3","1") = "6"
    & skf18("5","5","7","2","1","4","1") = "6"
    & skf18("5","5","7","2","1","5","1") = "6"
    & skf18("5","5","7","2","1","6","1") = "6"
    & skf18("5","5","7","2","1","7","1") = "6"
    & skf18("5","5","7","2","1","8","1") = "7"
    & skf18("5","5","7","2","1","9","1") = "8"
    & skf18("5","5","7","2","1","10","1") = "9"
    & skf18("5","5","7","2","2","1","1") = "6"
    & skf18("5","5","7","2","2","2","1") = "6"
    & skf18("5","5","7","2","2","3","1") = "6"
    & skf18("5","5","7","2","2","4","1") = "6"
    & skf18("5","5","7","2","2","5","1") = "6"
    & skf18("5","5","7","2","2","6","1") = "6"
    & skf18("5","5","7","2","2","7","1") = "6"
    & skf18("5","5","7","2","2","8","1") = "7"
    & skf18("5","5","7","2","2","9","1") = "8"
    & skf18("5","5","7","2","2","10","1") = "9"
    & skf18("5","5","7","2","3","1","1") = "6"
    & skf18("5","5","7","2","3","2","1") = "6"
    & skf18("5","5","7","2","3","3","1") = "6"
    & skf18("5","5","7","2","3","4","1") = "6"
    & skf18("5","5","7","2","3","5","1") = "6"
    & skf18("5","5","7","2","3","6","1") = "6"
    & skf18("5","5","7","2","3","7","1") = "6"
    & skf18("5","5","7","2","3","8","1") = "7"
    & skf18("5","5","7","2","3","9","1") = "8"
    & skf18("5","5","7","2","3","10","1") = "9"
    & skf18("5","5","7","2","4","1","1") = "6"
    & skf18("5","5","7","2","4","2","1") = "6"
    & skf18("5","5","7","2","4","3","1") = "6"
    & skf18("5","5","7","2","4","4","1") = "6"
    & skf18("5","5","7","2","4","5","1") = "6"
    & skf18("5","5","7","2","4","6","1") = "6"
    & skf18("5","5","7","2","4","7","1") = "6"
    & skf18("5","5","7","2","4","8","1") = "7"
    & skf18("5","5","7","2","4","9","1") = "8"
    & skf18("5","5","7","2","4","10","1") = "9"
    & skf18("5","5","7","2","5","1","1") = "6"
    & skf18("5","5","7","2","5","2","1") = "6"
    & skf18("5","5","7","2","5","3","1") = "6"
    & skf18("5","5","7","2","5","4","1") = "6"
    & skf18("5","5","7","2","5","5","1") = "6"
    & skf18("5","5","7","2","5","6","1") = "6"
    & skf18("5","5","7","2","5","7","1") = "6"
    & skf18("5","5","7","2","5","8","1") = "7"
    & skf18("5","5","7","2","5","9","1") = "8"
    & skf18("5","5","7","2","5","10","1") = "9"
    & skf18("5","5","7","2","6","1","1") = "6"
    & skf18("5","5","7","2","6","2","1") = "6"
    & skf18("5","5","7","2","6","3","1") = "6"
    & skf18("5","5","7","2","6","4","1") = "6"
    & skf18("5","5","7","2","6","5","1") = "6"
    & skf18("5","5","7","2","6","6","1") = "6"
    & skf18("5","5","7","2","6","7","1") = "6"
    & skf18("5","5","7","2","6","8","1") = "7"
    & skf18("5","5","7","2","6","9","1") = "8"
    & skf18("5","5","7","2","6","10","1") = "9"
    & skf18("5","5","7","2","7","1","1") = "6"
    & skf18("5","5","7","2","7","2","1") = "6"
    & skf18("5","5","7","2","7","3","1") = "6"
    & skf18("5","5","7","2","7","4","1") = "6"
    & skf18("5","5","7","2","7","5","1") = "6"
    & skf18("5","5","7","2","7","6","1") = "6"
    & skf18("5","5","7","2","7","7","1") = "6"
    & skf18("5","5","7","2","7","8","1") = "7"
    & skf18("5","5","7","2","7","9","1") = "8"
    & skf18("5","5","7","2","7","10","1") = "9"
    & skf18("5","5","7","2","8","1","1") = "7"
    & skf18("5","5","7","2","8","2","1") = "7"
    & skf18("5","5","7","2","8","3","1") = "7"
    & skf18("5","5","7","2","8","4","1") = "7"
    & skf18("5","5","7","2","8","5","1") = "7"
    & skf18("5","5","7","2","8","6","1") = "7"
    & skf18("5","5","7","2","8","7","1") = "7"
    & skf18("5","5","7","2","8","8","1") = "7"
    & skf18("5","5","7","2","8","9","1") = "8"
    & skf18("5","5","7","2","8","10","1") = "9"
    & skf18("5","5","7","2","9","1","1") = "8"
    & skf18("5","5","7","2","9","2","1") = "8"
    & skf18("5","5","7","2","9","3","1") = "8"
    & skf18("5","5","7","2","9","4","1") = "8"
    & skf18("5","5","7","2","9","5","1") = "8"
    & skf18("5","5","7","2","9","6","1") = "8"
    & skf18("5","5","7","2","9","7","1") = "8"
    & skf18("5","5","7","2","9","8","1") = "8"
    & skf18("5","5","7","2","9","9","1") = "8"
    & skf18("5","5","7","2","9","10","1") = "9"
    & skf18("5","5","7","2","10","1","1") = "9"
    & skf18("5","5","7","2","10","2","1") = "9"
    & skf18("5","5","7","2","10","3","1") = "9"
    & skf18("5","5","7","2","10","4","1") = "9"
    & skf18("5","5","7","2","10","5","1") = "9"
    & skf18("5","5","7","2","10","6","1") = "9"
    & skf18("5","5","7","2","10","7","1") = "9"
    & skf18("5","5","7","2","10","8","1") = "9"
    & skf18("5","5","7","2","10","9","1") = "9"
    & skf18("5","5","7","2","10","10","1") = "9"
    & skf18("5","5","7","3","1","1","1") = "6"
    & skf18("5","5","7","3","1","2","1") = "6"
    & skf18("5","5","7","3","1","3","1") = "6"
    & skf18("5","5","7","3","1","4","1") = "6"
    & skf18("5","5","7","3","1","5","1") = "6"
    & skf18("5","5","7","3","1","6","1") = "6"
    & skf18("5","5","7","3","1","7","1") = "6"
    & skf18("5","5","7","3","1","8","1") = "7"
    & skf18("5","5","7","3","1","9","1") = "8"
    & skf18("5","5","7","3","1","10","1") = "9"
    & skf18("5","5","7","3","2","1","1") = "6"
    & skf18("5","5","7","3","2","2","1") = "6"
    & skf18("5","5","7","3","2","3","1") = "6"
    & skf18("5","5","7","3","2","4","1") = "6"
    & skf18("5","5","7","3","2","5","1") = "6"
    & skf18("5","5","7","3","2","6","1") = "6"
    & skf18("5","5","7","3","2","7","1") = "6"
    & skf18("5","5","7","3","2","8","1") = "7"
    & skf18("5","5","7","3","2","9","1") = "8"
    & skf18("5","5","7","3","2","10","1") = "9"
    & skf18("5","5","7","3","3","1","1") = "6"
    & skf18("5","5","7","3","3","2","1") = "6"
    & skf18("5","5","7","3","3","3","1") = "6"
    & skf18("5","5","7","3","3","4","1") = "6"
    & skf18("5","5","7","3","3","5","1") = "6"
    & skf18("5","5","7","3","3","6","1") = "6"
    & skf18("5","5","7","3","3","7","1") = "6"
    & skf18("5","5","7","3","3","8","1") = "7"
    & skf18("5","5","7","3","3","9","1") = "8"
    & skf18("5","5","7","3","3","10","1") = "9"
    & skf18("5","5","7","3","4","1","1") = "6"
    & skf18("5","5","7","3","4","2","1") = "6"
    & skf18("5","5","7","3","4","3","1") = "6"
    & skf18("5","5","7","3","4","4","1") = "6"
    & skf18("5","5","7","3","4","5","1") = "6"
    & skf18("5","5","7","3","4","6","1") = "6"
    & skf18("5","5","7","3","4","7","1") = "6"
    & skf18("5","5","7","3","4","8","1") = "7"
    & skf18("5","5","7","3","4","9","1") = "8"
    & skf18("5","5","7","3","4","10","1") = "9"
    & skf18("5","5","7","3","5","1","1") = "6"
    & skf18("5","5","7","3","5","2","1") = "6"
    & skf18("5","5","7","3","5","3","1") = "6"
    & skf18("5","5","7","3","5","4","1") = "6"
    & skf18("5","5","7","3","5","5","1") = "6"
    & skf18("5","5","7","3","5","6","1") = "6"
    & skf18("5","5","7","3","5","7","1") = "6"
    & skf18("5","5","7","3","5","8","1") = "7"
    & skf18("5","5","7","3","5","9","1") = "8"
    & skf18("5","5","7","3","5","10","1") = "9"
    & skf18("5","5","7","3","6","1","1") = "6"
    & skf18("5","5","7","3","6","2","1") = "6"
    & skf18("5","5","7","3","6","3","1") = "6"
    & skf18("5","5","7","3","6","4","1") = "6"
    & skf18("5","5","7","3","6","5","1") = "6"
    & skf18("5","5","7","3","6","6","1") = "6"
    & skf18("5","5","7","3","6","7","1") = "6"
    & skf18("5","5","7","3","6","8","1") = "7"
    & skf18("5","5","7","3","6","9","1") = "8"
    & skf18("5","5","7","3","6","10","1") = "9"
    & skf18("5","5","7","3","7","1","1") = "6"
    & skf18("5","5","7","3","7","2","1") = "6"
    & skf18("5","5","7","3","7","3","1") = "6"
    & skf18("5","5","7","3","7","4","1") = "6"
    & skf18("5","5","7","3","7","5","1") = "6"
    & skf18("5","5","7","3","7","6","1") = "6"
    & skf18("5","5","7","3","7","7","1") = "6"
    & skf18("5","5","7","3","7","8","1") = "7"
    & skf18("5","5","7","3","7","9","1") = "8"
    & skf18("5","5","7","3","7","10","1") = "9"
    & skf18("5","5","7","3","8","1","1") = "7"
    & skf18("5","5","7","3","8","2","1") = "7"
    & skf18("5","5","7","3","8","3","1") = "7"
    & skf18("5","5","7","3","8","4","1") = "7"
    & skf18("5","5","7","3","8","5","1") = "7"
    & skf18("5","5","7","3","8","6","1") = "7"
    & skf18("5","5","7","3","8","7","1") = "7"
    & skf18("5","5","7","3","8","8","1") = "7"
    & skf18("5","5","7","3","8","9","1") = "8"
    & skf18("5","5","7","3","8","10","1") = "9"
    & skf18("5","5","7","3","9","1","1") = "8"
    & skf18("5","5","7","3","9","2","1") = "8"
    & skf18("5","5","7","3","9","3","1") = "8"
    & skf18("5","5","7","3","9","4","1") = "8"
    & skf18("5","5","7","3","9","5","1") = "8"
    & skf18("5","5","7","3","9","6","1") = "8"
    & skf18("5","5","7","3","9","7","1") = "8"
    & skf18("5","5","7","3","9","8","1") = "8"
    & skf18("5","5","7","3","9","9","1") = "8"
    & skf18("5","5","7","3","9","10","1") = "9"
    & skf18("5","5","7","3","10","1","1") = "9"
    & skf18("5","5","7","3","10","2","1") = "9"
    & skf18("5","5","7","3","10","3","1") = "9"
    & skf18("5","5","7","3","10","4","1") = "9"
    & skf18("5","5","7","3","10","5","1") = "9"
    & skf18("5","5","7","3","10","6","1") = "9"
    & skf18("5","5","7","3","10","7","1") = "9"
    & skf18("5","5","7","3","10","8","1") = "9"
    & skf18("5","5","7","3","10","9","1") = "9"
    & skf18("5","5","7","3","10","10","1") = "9"
    & skf18("5","5","7","4","1","1","1") = "6"
    & skf18("5","5","7","4","1","2","1") = "6"
    & skf18("5","5","7","4","1","3","1") = "6"
    & skf18("5","5","7","4","1","4","1") = "6"
    & skf18("5","5","7","4","1","5","1") = "6"
    & skf18("5","5","7","4","1","6","1") = "6"
    & skf18("5","5","7","4","1","7","1") = "6"
    & skf18("5","5","7","4","1","8","1") = "7"
    & skf18("5","5","7","4","1","9","1") = "8"
    & skf18("5","5","7","4","1","10","1") = "9"
    & skf18("5","5","7","4","2","1","1") = "6"
    & skf18("5","5","7","4","2","2","1") = "6"
    & skf18("5","5","7","4","2","3","1") = "6"
    & skf18("5","5","7","4","2","4","1") = "6"
    & skf18("5","5","7","4","2","5","1") = "6"
    & skf18("5","5","7","4","2","6","1") = "6"
    & skf18("5","5","7","4","2","7","1") = "6"
    & skf18("5","5","7","4","2","8","1") = "7"
    & skf18("5","5","7","4","2","9","1") = "8"
    & skf18("5","5","7","4","2","10","1") = "9"
    & skf18("5","5","7","4","3","1","1") = "6"
    & skf18("5","5","7","4","3","2","1") = "6"
    & skf18("5","5","7","4","3","3","1") = "6"
    & skf18("5","5","7","4","3","4","1") = "6"
    & skf18("5","5","7","4","3","5","1") = "6"
    & skf18("5","5","7","4","3","6","1") = "6"
    & skf18("5","5","7","4","3","7","1") = "6"
    & skf18("5","5","7","4","3","8","1") = "7"
    & skf18("5","5","7","4","3","9","1") = "8"
    & skf18("5","5","7","4","3","10","1") = "9"
    & skf18("5","5","7","4","4","1","1") = "6"
    & skf18("5","5","7","4","4","2","1") = "6"
    & skf18("5","5","7","4","4","3","1") = "6"
    & skf18("5","5","7","4","4","4","1") = "6"
    & skf18("5","5","7","4","4","5","1") = "6"
    & skf18("5","5","7","4","4","6","1") = "6"
    & skf18("5","5","7","4","4","7","1") = "6"
    & skf18("5","5","7","4","4","8","1") = "7"
    & skf18("5","5","7","4","4","9","1") = "8"
    & skf18("5","5","7","4","4","10","1") = "9"
    & skf18("5","5","7","4","5","1","1") = "6"
    & skf18("5","5","7","4","5","2","1") = "6"
    & skf18("5","5","7","4","5","3","1") = "6"
    & skf18("5","5","7","4","5","4","1") = "6"
    & skf18("5","5","7","4","5","5","1") = "6"
    & skf18("5","5","7","4","5","6","1") = "6"
    & skf18("5","5","7","4","5","7","1") = "6"
    & skf18("5","5","7","4","5","8","1") = "7"
    & skf18("5","5","7","4","5","9","1") = "8"
    & skf18("5","5","7","4","5","10","1") = "9"
    & skf18("5","5","7","4","6","1","1") = "6"
    & skf18("5","5","7","4","6","2","1") = "6"
    & skf18("5","5","7","4","6","3","1") = "6"
    & skf18("5","5","7","4","6","4","1") = "6"
    & skf18("5","5","7","4","6","5","1") = "6"
    & skf18("5","5","7","4","6","6","1") = "6"
    & skf18("5","5","7","4","6","7","1") = "6"
    & skf18("5","5","7","4","6","8","1") = "7"
    & skf18("5","5","7","4","6","9","1") = "8"
    & skf18("5","5","7","4","6","10","1") = "9"
    & skf18("5","5","7","4","7","1","1") = "6"
    & skf18("5","5","7","4","7","2","1") = "6"
    & skf18("5","5","7","4","7","3","1") = "6"
    & skf18("5","5","7","4","7","4","1") = "6"
    & skf18("5","5","7","4","7","5","1") = "6"
    & skf18("5","5","7","4","7","6","1") = "6"
    & skf18("5","5","7","4","7","7","1") = "6"
    & skf18("5","5","7","4","7","8","1") = "7"
    & skf18("5","5","7","4","7","9","1") = "8"
    & skf18("5","5","7","4","7","10","1") = "9"
    & skf18("5","5","7","4","8","1","1") = "7"
    & skf18("5","5","7","4","8","2","1") = "7"
    & skf18("5","5","7","4","8","3","1") = "7"
    & skf18("5","5","7","4","8","4","1") = "7"
    & skf18("5","5","7","4","8","5","1") = "7"
    & skf18("5","5","7","4","8","6","1") = "7"
    & skf18("5","5","7","4","8","7","1") = "7"
    & skf18("5","5","7","4","8","8","1") = "7"
    & skf18("5","5","7","4","8","9","1") = "8"
    & skf18("5","5","7","4","8","10","1") = "9"
    & skf18("5","5","7","4","9","1","1") = "8"
    & skf18("5","5","7","4","9","2","1") = "8"
    & skf18("5","5","7","4","9","3","1") = "8"
    & skf18("5","5","7","4","9","4","1") = "8"
    & skf18("5","5","7","4","9","5","1") = "8"
    & skf18("5","5","7","4","9","6","1") = "8"
    & skf18("5","5","7","4","9","7","1") = "8"
    & skf18("5","5","7","4","9","8","1") = "8"
    & skf18("5","5","7","4","9","9","1") = "8"
    & skf18("5","5","7","4","9","10","1") = "9"
    & skf18("5","5","7","4","10","1","1") = "9"
    & skf18("5","5","7","4","10","2","1") = "9"
    & skf18("5","5","7","4","10","3","1") = "9"
    & skf18("5","5","7","4","10","4","1") = "9"
    & skf18("5","5","7","4","10","5","1") = "9"
    & skf18("5","5","7","4","10","6","1") = "9"
    & skf18("5","5","7","4","10","7","1") = "9"
    & skf18("5","5","7","4","10","8","1") = "9"
    & skf18("5","5","7","4","10","9","1") = "9"
    & skf18("5","5","7","4","10","10","1") = "9"
    & skf18("5","5","7","5","1","1","1") = "6"
    & skf18("5","5","7","5","1","2","1") = "6"
    & skf18("5","5","7","5","1","3","1") = "6"
    & skf18("5","5","7","5","1","4","1") = "6"
    & skf18("5","5","7","5","1","5","1") = "6"
    & skf18("5","5","7","5","1","6","1") = "6"
    & skf18("5","5","7","5","1","7","1") = "6"
    & skf18("5","5","7","5","1","8","1") = "7"
    & skf18("5","5","7","5","1","9","1") = "8"
    & skf18("5","5","7","5","1","10","1") = "9"
    & skf18("5","5","7","5","2","1","1") = "6"
    & skf18("5","5","7","5","2","2","1") = "6"
    & skf18("5","5","7","5","2","3","1") = "6"
    & skf18("5","5","7","5","2","4","1") = "6"
    & skf18("5","5","7","5","2","5","1") = "6"
    & skf18("5","5","7","5","2","6","1") = "6"
    & skf18("5","5","7","5","2","7","1") = "6"
    & skf18("5","5","7","5","2","8","1") = "7"
    & skf18("5","5","7","5","2","9","1") = "8"
    & skf18("5","5","7","5","2","10","1") = "9"
    & skf18("5","5","7","5","3","1","1") = "6"
    & skf18("5","5","7","5","3","2","1") = "6"
    & skf18("5","5","7","5","3","3","1") = "6"
    & skf18("5","5","7","5","3","4","1") = "6"
    & skf18("5","5","7","5","3","5","1") = "6"
    & skf18("5","5","7","5","3","6","1") = "6"
    & skf18("5","5","7","5","3","7","1") = "6"
    & skf18("5","5","7","5","3","8","1") = "7"
    & skf18("5","5","7","5","3","9","1") = "8"
    & skf18("5","5","7","5","3","10","1") = "9"
    & skf18("5","5","7","5","4","1","1") = "6"
    & skf18("5","5","7","5","4","2","1") = "6"
    & skf18("5","5","7","5","4","3","1") = "6"
    & skf18("5","5","7","5","4","4","1") = "6"
    & skf18("5","5","7","5","4","5","1") = "6"
    & skf18("5","5","7","5","4","6","1") = "6"
    & skf18("5","5","7","5","4","7","1") = "6"
    & skf18("5","5","7","5","4","8","1") = "7"
    & skf18("5","5","7","5","4","9","1") = "8"
    & skf18("5","5","7","5","4","10","1") = "9"
    & skf18("5","5","7","5","5","1","1") = "6"
    & skf18("5","5","7","5","5","2","1") = "6"
    & skf18("5","5","7","5","5","3","1") = "5"
    & skf18("5","5","7","5","5","4","1") = "5"
    & skf18("5","5","7","5","5","5","1") = "5"
    & skf18("5","5","7","5","5","6","1") = "6"
    & skf18("5","5","7","5","5","7","1") = "6"
    & skf18("5","5","7","5","5","8","1") = "7"
    & skf18("5","5","7","5","5","9","1") = "8"
    & skf18("5","5","7","5","5","10","1") = "9"
    & skf18("5","5","7","5","6","1","1") = "6"
    & skf18("5","5","7","5","6","2","1") = "6"
    & skf18("5","5","7","5","6","3","1") = "6"
    & skf18("5","5","7","5","6","4","1") = "6"
    & skf18("5","5","7","5","6","5","1") = "6"
    & skf18("5","5","7","5","6","6","1") = "6"
    & skf18("5","5","7","5","6","7","1") = "6"
    & skf18("5","5","7","5","6","8","1") = "7"
    & skf18("5","5","7","5","6","9","1") = "8"
    & skf18("5","5","7","5","6","10","1") = "9"
    & skf18("5","5","7","5","7","1","1") = "6"
    & skf18("5","5","7","5","7","2","1") = "6"
    & skf18("5","5","7","5","7","3","1") = "6"
    & skf18("5","5","7","5","7","4","1") = "6"
    & skf18("5","5","7","5","7","5","1") = "6"
    & skf18("5","5","7","5","7","6","1") = "6"
    & skf18("5","5","7","5","7","7","1") = "6"
    & skf18("5","5","7","5","7","8","1") = "7"
    & skf18("5","5","7","5","7","9","1") = "8"
    & skf18("5","5","7","5","7","10","1") = "9"
    & skf18("5","5","7","5","8","1","1") = "7"
    & skf18("5","5","7","5","8","2","1") = "7"
    & skf18("5","5","7","5","8","3","1") = "7"
    & skf18("5","5","7","5","8","4","1") = "7"
    & skf18("5","5","7","5","8","5","1") = "7"
    & skf18("5","5","7","5","8","6","1") = "7"
    & skf18("5","5","7","5","8","7","1") = "7"
    & skf18("5","5","7","5","8","8","1") = "7"
    & skf18("5","5","7","5","8","9","1") = "8"
    & skf18("5","5","7","5","8","10","1") = "9"
    & skf18("5","5","7","5","9","1","1") = "8"
    & skf18("5","5","7","5","9","2","1") = "8"
    & skf18("5","5","7","5","9","3","1") = "8"
    & skf18("5","5","7","5","9","4","1") = "8"
    & skf18("5","5","7","5","9","5","1") = "8"
    & skf18("5","5","7","5","9","6","1") = "8"
    & skf18("5","5","7","5","9","7","1") = "8"
    & skf18("5","5","7","5","9","8","1") = "8"
    & skf18("5","5","7","5","9","9","1") = "8"
    & skf18("5","5","7","5","9","10","1") = "9"
    & skf18("5","5","7","5","10","1","1") = "9"
    & skf18("5","5","7","5","10","2","1") = "9"
    & skf18("5","5","7","5","10","3","1") = "9"
    & skf18("5","5","7","5","10","4","1") = "9"
    & skf18("5","5","7","5","10","5","1") = "9"
    & skf18("5","5","7","5","10","6","1") = "9"
    & skf18("5","5","7","5","10","7","1") = "9"
    & skf18("5","5","7","5","10","8","1") = "9"
    & skf18("5","5","7","5","10","9","1") = "9"
    & skf18("5","5","7","5","10","10","1") = "9"
    & skf18("5","5","7","6","1","1","1") = "6"
    & skf18("5","5","7","6","1","2","1") = "6"
    & skf18("5","5","7","6","1","3","1") = "6"
    & skf18("5","5","7","6","1","4","1") = "6"
    & skf18("5","5","7","6","1","5","1") = "6"
    & skf18("5","5","7","6","1","6","1") = "6"
    & skf18("5","5","7","6","1","7","1") = "6"
    & skf18("5","5","7","6","1","8","1") = "7"
    & skf18("5","5","7","6","1","9","1") = "8"
    & skf18("5","5","7","6","1","10","1") = "9"
    & skf18("5","5","7","6","2","1","1") = "6"
    & skf18("5","5","7","6","2","2","1") = "6"
    & skf18("5","5","7","6","2","3","1") = "6"
    & skf18("5","5","7","6","2","4","1") = "6"
    & skf18("5","5","7","6","2","5","1") = "6"
    & skf18("5","5","7","6","2","6","1") = "6"
    & skf18("5","5","7","6","2","7","1") = "6"
    & skf18("5","5","7","6","2","8","1") = "7"
    & skf18("5","5","7","6","2","9","1") = "8"
    & skf18("5","5","7","6","2","10","1") = "9"
    & skf18("5","5","7","6","3","1","1") = "6"
    & skf18("5","5","7","6","3","2","1") = "6"
    & skf18("5","5","7","6","3","3","1") = "6"
    & skf18("5","5","7","6","3","4","1") = "6"
    & skf18("5","5","7","6","3","5","1") = "6"
    & skf18("5","5","7","6","3","6","1") = "6"
    & skf18("5","5","7","6","3","7","1") = "6"
    & skf18("5","5","7","6","3","8","1") = "7"
    & skf18("5","5","7","6","3","9","1") = "8"
    & skf18("5","5","7","6","3","10","1") = "9"
    & skf18("5","5","7","6","4","1","1") = "6"
    & skf18("5","5","7","6","4","2","1") = "6"
    & skf18("5","5","7","6","4","3","1") = "6"
    & skf18("5","5","7","6","4","4","1") = "6"
    & skf18("5","5","7","6","4","5","1") = "6"
    & skf18("5","5","7","6","4","6","1") = "6"
    & skf18("5","5","7","6","4","7","1") = "6"
    & skf18("5","5","7","6","4","8","1") = "7"
    & skf18("5","5","7","6","4","9","1") = "8"
    & skf18("5","5","7","6","4","10","1") = "9"
    & skf18("5","5","7","6","5","1","1") = "6"
    & skf18("5","5","7","6","5","2","1") = "6"
    & skf18("5","5","7","6","5","3","1") = "6"
    & skf18("5","5","7","6","5","4","1") = "6"
    & skf18("5","5","7","6","5","5","1") = "6"
    & skf18("5","5","7","6","5","6","1") = "6"
    & skf18("5","5","7","6","5","7","1") = "6"
    & skf18("5","5","7","6","5","8","1") = "7"
    & skf18("5","5","7","6","5","9","1") = "8"
    & skf18("5","5","7","6","5","10","1") = "9"
    & skf18("5","5","7","6","6","1","1") = "6"
    & skf18("5","5","7","6","6","2","1") = "6"
    & skf18("5","5","7","6","6","3","1") = "6"
    & skf18("5","5","7","6","6","4","1") = "6"
    & skf18("5","5","7","6","6","5","1") = "6"
    & skf18("5","5","7","6","6","6","1") = "6"
    & skf18("5","5","7","6","6","7","1") = "6"
    & skf18("5","5","7","6","6","8","1") = "7"
    & skf18("5","5","7","6","6","9","1") = "8"
    & skf18("5","5","7","6","6","10","1") = "9"
    & skf18("5","5","7","6","7","1","1") = "6"
    & skf18("5","5","7","6","7","2","1") = "6"
    & skf18("5","5","7","6","7","3","1") = "6"
    & skf18("5","5","7","6","7","4","1") = "6"
    & skf18("5","5","7","6","7","5","1") = "6"
    & skf18("5","5","7","6","7","6","1") = "6"
    & skf18("5","5","7","6","7","7","1") = "6"
    & skf18("5","5","7","6","7","8","1") = "7"
    & skf18("5","5","7","6","7","9","1") = "8"
    & skf18("5","5","7","6","7","10","1") = "9"
    & skf18("5","5","7","6","8","1","1") = "7"
    & skf18("5","5","7","6","8","2","1") = "7"
    & skf18("5","5","7","6","8","3","1") = "7"
    & skf18("5","5","7","6","8","4","1") = "7"
    & skf18("5","5","7","6","8","5","1") = "7"
    & skf18("5","5","7","6","8","6","1") = "7"
    & skf18("5","5","7","6","8","7","1") = "7"
    & skf18("5","5","7","6","8","8","1") = "7"
    & skf18("5","5","7","6","8","9","1") = "8"
    & skf18("5","5","7","6","8","10","1") = "9"
    & skf18("5","5","7","6","9","1","1") = "8"
    & skf18("5","5","7","6","9","2","1") = "8"
    & skf18("5","5","7","6","9","3","1") = "8"
    & skf18("5","5","7","6","9","4","1") = "8"
    & skf18("5","5","7","6","9","5","1") = "8"
    & skf18("5","5","7","6","9","6","1") = "8"
    & skf18("5","5","7","6","9","7","1") = "8"
    & skf18("5","5","7","6","9","8","1") = "8"
    & skf18("5","5","7","6","9","9","1") = "8"
    & skf18("5","5","7","6","9","10","1") = "9"
    & skf18("5","5","7","6","10","1","1") = "9"
    & skf18("5","5","7","6","10","2","1") = "9"
    & skf18("5","5","7","6","10","3","1") = "9"
    & skf18("5","5","7","6","10","4","1") = "9"
    & skf18("5","5","7","6","10","5","1") = "9"
    & skf18("5","5","7","6","10","6","1") = "9"
    & skf18("5","5","7","6","10","7","1") = "9"
    & skf18("5","5","7","6","10","8","1") = "9"
    & skf18("5","5","7","6","10","9","1") = "9"
    & skf18("5","5","7","6","10","10","1") = "9"
    & skf18("5","5","7","7","1","1","1") = "6"
    & skf18("5","5","7","7","1","2","1") = "6"
    & skf18("5","5","7","7","1","3","1") = "6"
    & skf18("5","5","7","7","1","4","1") = "6"
    & skf18("5","5","7","7","1","5","1") = "6"
    & skf18("5","5","7","7","1","6","1") = "6"
    & skf18("5","5","7","7","1","7","1") = "6"
    & skf18("5","5","7","7","1","8","1") = "7"
    & skf18("5","5","7","7","1","9","1") = "8"
    & skf18("5","5","7","7","1","10","1") = "9"
    & skf18("5","5","7","7","2","1","1") = "6"
    & skf18("5","5","7","7","2","2","1") = "6"
    & skf18("5","5","7","7","2","3","1") = "6"
    & skf18("5","5","7","7","2","4","1") = "6"
    & skf18("5","5","7","7","2","5","1") = "6"
    & skf18("5","5","7","7","2","6","1") = "6"
    & skf18("5","5","7","7","2","7","1") = "6"
    & skf18("5","5","7","7","2","8","1") = "7"
    & skf18("5","5","7","7","2","9","1") = "8"
    & skf18("5","5","7","7","2","10","1") = "9"
    & skf18("5","5","7","7","3","1","1") = "6"
    & skf18("5","5","7","7","3","2","1") = "6"
    & skf18("5","5","7","7","3","3","1") = "6"
    & skf18("5","5","7","7","3","4","1") = "6"
    & skf18("5","5","7","7","3","5","1") = "6"
    & skf18("5","5","7","7","3","6","1") = "6"
    & skf18("5","5","7","7","3","7","1") = "6"
    & skf18("5","5","7","7","3","8","1") = "7"
    & skf18("5","5","7","7","3","9","1") = "8"
    & skf18("5","5","7","7","3","10","1") = "9"
    & skf18("5","5","7","7","4","1","1") = "6"
    & skf18("5","5","7","7","4","2","1") = "6"
    & skf18("5","5","7","7","4","3","1") = "6"
    & skf18("5","5","7","7","4","4","1") = "6"
    & skf18("5","5","7","7","4","5","1") = "6"
    & skf18("5","5","7","7","4","6","1") = "6"
    & skf18("5","5","7","7","4","7","1") = "6"
    & skf18("5","5","7","7","4","8","1") = "7"
    & skf18("5","5","7","7","4","9","1") = "8"
    & skf18("5","5","7","7","4","10","1") = "9"
    & skf18("5","5","7","7","5","1","1") = "6"
    & skf18("5","5","7","7","5","2","1") = "6"
    & skf18("5","5","7","7","5","3","1") = "6"
    & skf18("5","5","7","7","5","4","1") = "6"
    & skf18("5","5","7","7","5","5","1") = "6"
    & skf18("5","5","7","7","5","6","1") = "6"
    & skf18("5","5","7","7","5","7","1") = "6"
    & skf18("5","5","7","7","5","8","1") = "7"
    & skf18("5","5","7","7","5","9","1") = "8"
    & skf18("5","5","7","7","5","10","1") = "9"
    & skf18("5","5","7","7","6","1","1") = "6"
    & skf18("5","5","7","7","6","2","1") = "6"
    & skf18("5","5","7","7","6","3","1") = "6"
    & skf18("5","5","7","7","6","4","1") = "6"
    & skf18("5","5","7","7","6","5","1") = "6"
    & skf18("5","5","7","7","6","6","1") = "6"
    & skf18("5","5","7","7","6","7","1") = "6"
    & skf18("5","5","7","7","6","8","1") = "7"
    & skf18("5","5","7","7","6","9","1") = "8"
    & skf18("5","5","7","7","6","10","1") = "9"
    & skf18("5","5","7","7","7","1","1") = "6"
    & skf18("5","5","7","7","7","2","1") = "6"
    & skf18("5","5","7","7","7","3","1") = "6"
    & skf18("5","5","7","7","7","4","1") = "6"
    & skf18("5","5","7","7","7","5","1") = "6"
    & skf18("5","5","7","7","7","6","1") = "6"
    & skf18("5","5","7","7","7","7","1") = "6"
    & skf18("5","5","7","7","7","8","1") = "7"
    & skf18("5","5","7","7","7","9","1") = "8"
    & skf18("5","5","7","7","7","10","1") = "9"
    & skf18("5","5","7","7","8","1","1") = "7"
    & skf18("5","5","7","7","8","2","1") = "7"
    & skf18("5","5","7","7","8","3","1") = "7"
    & skf18("5","5","7","7","8","4","1") = "7"
    & skf18("5","5","7","7","8","5","1") = "7"
    & skf18("5","5","7","7","8","6","1") = "7"
    & skf18("5","5","7","7","8","7","1") = "7"
    & skf18("5","5","7","7","8","8","1") = "7"
    & skf18("5","5","7","7","8","9","1") = "8"
    & skf18("5","5","7","7","8","10","1") = "9"
    & skf18("5","5","7","7","9","1","1") = "8"
    & skf18("5","5","7","7","9","2","1") = "8"
    & skf18("5","5","7","7","9","3","1") = "8"
    & skf18("5","5","7","7","9","4","1") = "8"
    & skf18("5","5","7","7","9","5","1") = "8"
    & skf18("5","5","7","7","9","6","1") = "8"
    & skf18("5","5","7","7","9","7","1") = "8"
    & skf18("5","5","7","7","9","8","1") = "8"
    & skf18("5","5","7","7","9","9","1") = "8"
    & skf18("5","5","7","7","9","10","1") = "9"
    & skf18("5","5","7","7","10","1","1") = "9"
    & skf18("5","5","7","7","10","2","1") = "9"
    & skf18("5","5","7","7","10","3","1") = "9"
    & skf18("5","5","7","7","10","4","1") = "9"
    & skf18("5","5","7","7","10","5","1") = "9"
    & skf18("5","5","7","7","10","6","1") = "9"
    & skf18("5","5","7","7","10","7","1") = "9"
    & skf18("5","5","7","7","10","8","1") = "9"
    & skf18("5","5","7","7","10","9","1") = "9"
    & skf18("5","5","7","7","10","10","1") = "9"
    & skf18("5","5","7","8","1","1","1") = "7"
    & skf18("5","5","7","8","1","2","1") = "7"
    & skf18("5","5","7","8","1","3","1") = "7"
    & skf18("5","5","7","8","1","4","1") = "7"
    & skf18("5","5","7","8","1","5","1") = "7"
    & skf18("5","5","7","8","1","6","1") = "7"
    & skf18("5","5","7","8","1","7","1") = "7"
    & skf18("5","5","7","8","1","8","1") = "7"
    & skf18("5","5","7","8","1","9","1") = "8"
    & skf18("5","5","7","8","1","10","1") = "9"
    & skf18("5","5","7","8","2","1","1") = "7"
    & skf18("5","5","7","8","2","2","1") = "7"
    & skf18("5","5","7","8","2","3","1") = "7"
    & skf18("5","5","7","8","2","4","1") = "7"
    & skf18("5","5","7","8","2","5","1") = "7"
    & skf18("5","5","7","8","2","6","1") = "7"
    & skf18("5","5","7","8","2","7","1") = "7"
    & skf18("5","5","7","8","2","8","1") = "7"
    & skf18("5","5","7","8","2","9","1") = "8"
    & skf18("5","5","7","8","2","10","1") = "9"
    & skf18("5","5","7","8","3","1","1") = "7"
    & skf18("5","5","7","8","3","2","1") = "7"
    & skf18("5","5","7","8","3","3","1") = "7"
    & skf18("5","5","7","8","3","4","1") = "7"
    & skf18("5","5","7","8","3","5","1") = "7"
    & skf18("5","5","7","8","3","6","1") = "7"
    & skf18("5","5","7","8","3","7","1") = "7"
    & skf18("5","5","7","8","3","8","1") = "7"
    & skf18("5","5","7","8","3","9","1") = "8"
    & skf18("5","5","7","8","3","10","1") = "9"
    & skf18("5","5","7","8","4","1","1") = "7"
    & skf18("5","5","7","8","4","2","1") = "7"
    & skf18("5","5","7","8","4","3","1") = "7"
    & skf18("5","5","7","8","4","4","1") = "7"
    & skf18("5","5","7","8","4","5","1") = "7"
    & skf18("5","5","7","8","4","6","1") = "7"
    & skf18("5","5","7","8","4","7","1") = "7"
    & skf18("5","5","7","8","4","8","1") = "7"
    & skf18("5","5","7","8","4","9","1") = "8"
    & skf18("5","5","7","8","4","10","1") = "9"
    & skf18("5","5","7","8","5","1","1") = "7"
    & skf18("5","5","7","8","5","2","1") = "7"
    & skf18("5","5","7","8","5","3","1") = "7"
    & skf18("5","5","7","8","5","4","1") = "7"
    & skf18("5","5","7","8","5","5","1") = "7"
    & skf18("5","5","7","8","5","6","1") = "7"
    & skf18("5","5","7","8","5","7","1") = "7"
    & skf18("5","5","7","8","5","8","1") = "7"
    & skf18("5","5","7","8","5","9","1") = "8"
    & skf18("5","5","7","8","5","10","1") = "9"
    & skf18("5","5","7","8","6","1","1") = "7"
    & skf18("5","5","7","8","6","2","1") = "7"
    & skf18("5","5","7","8","6","3","1") = "7"
    & skf18("5","5","7","8","6","4","1") = "7"
    & skf18("5","5","7","8","6","5","1") = "7"
    & skf18("5","5","7","8","6","6","1") = "7"
    & skf18("5","5","7","8","6","7","1") = "7"
    & skf18("5","5","7","8","6","8","1") = "7"
    & skf18("5","5","7","8","6","9","1") = "8"
    & skf18("5","5","7","8","6","10","1") = "9"
    & skf18("5","5","7","8","7","1","1") = "7"
    & skf18("5","5","7","8","7","2","1") = "7"
    & skf18("5","5","7","8","7","3","1") = "7"
    & skf18("5","5","7","8","7","4","1") = "7"
    & skf18("5","5","7","8","7","5","1") = "7"
    & skf18("5","5","7","8","7","6","1") = "7"
    & skf18("5","5","7","8","7","7","1") = "7"
    & skf18("5","5","7","8","7","8","1") = "7"
    & skf18("5","5","7","8","7","9","1") = "8"
    & skf18("5","5","7","8","7","10","1") = "9"
    & skf18("5","5","7","8","8","1","1") = "7"
    & skf18("5","5","7","8","8","2","1") = "7"
    & skf18("5","5","7","8","8","3","1") = "7"
    & skf18("5","5","7","8","8","4","1") = "7"
    & skf18("5","5","7","8","8","5","1") = "7"
    & skf18("5","5","7","8","8","6","1") = "7"
    & skf18("5","5","7","8","8","7","1") = "7"
    & skf18("5","5","7","8","8","8","1") = "7"
    & skf18("5","5","7","8","8","9","1") = "8"
    & skf18("5","5","7","8","8","10","1") = "9"
    & skf18("5","5","7","8","9","1","1") = "8"
    & skf18("5","5","7","8","9","2","1") = "8"
    & skf18("5","5","7","8","9","3","1") = "8"
    & skf18("5","5","7","8","9","4","1") = "8"
    & skf18("5","5","7","8","9","5","1") = "8"
    & skf18("5","5","7","8","9","6","1") = "8"
    & skf18("5","5","7","8","9","7","1") = "8"
    & skf18("5","5","7","8","9","8","1") = "8"
    & skf18("5","5","7","8","9","9","1") = "8"
    & skf18("5","5","7","8","9","10","1") = "9"
    & skf18("5","5","7","8","10","1","1") = "9"
    & skf18("5","5","7","8","10","2","1") = "9"
    & skf18("5","5","7","8","10","3","1") = "9"
    & skf18("5","5","7","8","10","4","1") = "9"
    & skf18("5","5","7","8","10","5","1") = "9"
    & skf18("5","5","7","8","10","6","1") = "9"
    & skf18("5","5","7","8","10","7","1") = "9"
    & skf18("5","5","7","8","10","8","1") = "9"
    & skf18("5","5","7","8","10","9","1") = "9"
    & skf18("5","5","7","8","10","10","1") = "9"
    & skf18("5","5","7","9","1","1","1") = "8"
    & skf18("5","5","7","9","1","2","1") = "8"
    & skf18("5","5","7","9","1","3","1") = "8"
    & skf18("5","5","7","9","1","4","1") = "8"
    & skf18("5","5","7","9","1","5","1") = "8"
    & skf18("5","5","7","9","1","6","1") = "8"
    & skf18("5","5","7","9","1","7","1") = "8"
    & skf18("5","5","7","9","1","8","1") = "8"
    & skf18("5","5","7","9","1","9","1") = "8"
    & skf18("5","5","7","9","1","10","1") = "9"
    & skf18("5","5","7","9","2","1","1") = "8"
    & skf18("5","5","7","9","2","2","1") = "8"
    & skf18("5","5","7","9","2","3","1") = "8"
    & skf18("5","5","7","9","2","4","1") = "8"
    & skf18("5","5","7","9","2","5","1") = "8"
    & skf18("5","5","7","9","2","6","1") = "8"
    & skf18("5","5","7","9","2","7","1") = "8"
    & skf18("5","5","7","9","2","8","1") = "8"
    & skf18("5","5","7","9","2","9","1") = "8"
    & skf18("5","5","7","9","2","10","1") = "9"
    & skf18("5","5","7","9","3","1","1") = "8"
    & skf18("5","5","7","9","3","2","1") = "8"
    & skf18("5","5","7","9","3","3","1") = "8"
    & skf18("5","5","7","9","3","4","1") = "8"
    & skf18("5","5","7","9","3","5","1") = "8"
    & skf18("5","5","7","9","3","6","1") = "8"
    & skf18("5","5","7","9","3","7","1") = "8"
    & skf18("5","5","7","9","3","8","1") = "8"
    & skf18("5","5","7","9","3","9","1") = "8"
    & skf18("5","5","7","9","3","10","1") = "9"
    & skf18("5","5","7","9","4","1","1") = "8"
    & skf18("5","5","7","9","4","2","1") = "8"
    & skf18("5","5","7","9","4","3","1") = "8"
    & skf18("5","5","7","9","4","4","1") = "8"
    & skf18("5","5","7","9","4","5","1") = "8"
    & skf18("5","5","7","9","4","6","1") = "8"
    & skf18("5","5","7","9","4","7","1") = "8"
    & skf18("5","5","7","9","4","8","1") = "8"
    & skf18("5","5","7","9","4","9","1") = "8"
    & skf18("5","5","7","9","4","10","1") = "9"
    & skf18("5","5","7","9","5","1","1") = "8"
    & skf18("5","5","7","9","5","2","1") = "8"
    & skf18("5","5","7","9","5","3","1") = "8"
    & skf18("5","5","7","9","5","4","1") = "8"
    & skf18("5","5","7","9","5","5","1") = "8"
    & skf18("5","5","7","9","5","6","1") = "8"
    & skf18("5","5","7","9","5","7","1") = "8"
    & skf18("5","5","7","9","5","8","1") = "8"
    & skf18("5","5","7","9","5","9","1") = "8"
    & skf18("5","5","7","9","5","10","1") = "9"
    & skf18("5","5","7","9","6","1","1") = "8"
    & skf18("5","5","7","9","6","2","1") = "8"
    & skf18("5","5","7","9","6","3","1") = "8"
    & skf18("5","5","7","9","6","4","1") = "8"
    & skf18("5","5","7","9","6","5","1") = "8"
    & skf18("5","5","7","9","6","6","1") = "8"
    & skf18("5","5","7","9","6","7","1") = "8"
    & skf18("5","5","7","9","6","8","1") = "8"
    & skf18("5","5","7","9","6","9","1") = "8"
    & skf18("5","5","7","9","6","10","1") = "9"
    & skf18("5","5","7","9","7","1","1") = "8"
    & skf18("5","5","7","9","7","2","1") = "8"
    & skf18("5","5","7","9","7","3","1") = "8"
    & skf18("5","5","7","9","7","4","1") = "8"
    & skf18("5","5","7","9","7","5","1") = "8"
    & skf18("5","5","7","9","7","6","1") = "8"
    & skf18("5","5","7","9","7","7","1") = "8"
    & skf18("5","5","7","9","7","8","1") = "8"
    & skf18("5","5","7","9","7","9","1") = "8"
    & skf18("5","5","7","9","7","10","1") = "9"
    & skf18("5","5","7","9","8","1","1") = "8"
    & skf18("5","5","7","9","8","2","1") = "8"
    & skf18("5","5","7","9","8","3","1") = "8"
    & skf18("5","5","7","9","8","4","1") = "8"
    & skf18("5","5","7","9","8","5","1") = "8"
    & skf18("5","5","7","9","8","6","1") = "8"
    & skf18("5","5","7","9","8","7","1") = "8"
    & skf18("5","5","7","9","8","8","1") = "8"
    & skf18("5","5","7","9","8","9","1") = "8"
    & skf18("5","5","7","9","8","10","1") = "9"
    & skf18("5","5","7","9","9","1","1") = "8"
    & skf18("5","5","7","9","9","2","1") = "8"
    & skf18("5","5","7","9","9","3","1") = "8"
    & skf18("5","5","7","9","9","4","1") = "8"
    & skf18("5","5","7","9","9","5","1") = "8"
    & skf18("5","5","7","9","9","6","1") = "8"
    & skf18("5","5","7","9","9","7","1") = "8"
    & skf18("5","5","7","9","9","8","1") = "8"
    & skf18("5","5","7","9","9","9","1") = "8"
    & skf18("5","5","7","9","9","10","1") = "9"
    & skf18("5","5","7","9","10","1","1") = "9"
    & skf18("5","5","7","9","10","2","1") = "9"
    & skf18("5","5","7","9","10","3","1") = "9"
    & skf18("5","5","7","9","10","4","1") = "9"
    & skf18("5","5","7","9","10","5","1") = "9"
    & skf18("5","5","7","9","10","6","1") = "9"
    & skf18("5","5","7","9","10","7","1") = "9"
    & skf18("5","5","7","9","10","8","1") = "9"
    & skf18("5","5","7","9","10","9","1") = "9"
    & skf18("5","5","7","9","10","10","1") = "9"
    & skf18("5","5","7","10","1","1","1") = "9"
    & skf18("5","5","7","10","1","2","1") = "9"
    & skf18("5","5","7","10","1","3","1") = "9"
    & skf18("5","5","7","10","1","4","1") = "9"
    & skf18("5","5","7","10","1","5","1") = "9"
    & skf18("5","5","7","10","1","6","1") = "9"
    & skf18("5","5","7","10","1","7","1") = "9"
    & skf18("5","5","7","10","1","8","1") = "9"
    & skf18("5","5","7","10","1","9","1") = "9"
    & skf18("5","5","7","10","1","10","1") = "9"
    & skf18("5","5","7","10","2","1","1") = "9"
    & skf18("5","5","7","10","2","2","1") = "9"
    & skf18("5","5","7","10","2","3","1") = "9"
    & skf18("5","5","7","10","2","4","1") = "9"
    & skf18("5","5","7","10","2","5","1") = "9"
    & skf18("5","5","7","10","2","6","1") = "9"
    & skf18("5","5","7","10","2","7","1") = "9"
    & skf18("5","5","7","10","2","8","1") = "9"
    & skf18("5","5","7","10","2","9","1") = "9"
    & skf18("5","5","7","10","2","10","1") = "9"
    & skf18("5","5","7","10","3","1","1") = "9"
    & skf18("5","5","7","10","3","2","1") = "9"
    & skf18("5","5","7","10","3","3","1") = "9"
    & skf18("5","5","7","10","3","4","1") = "9"
    & skf18("5","5","7","10","3","5","1") = "9"
    & skf18("5","5","7","10","3","6","1") = "9"
    & skf18("5","5","7","10","3","7","1") = "9"
    & skf18("5","5","7","10","3","8","1") = "9"
    & skf18("5","5","7","10","3","9","1") = "9"
    & skf18("5","5","7","10","3","10","1") = "9"
    & skf18("5","5","7","10","4","1","1") = "9"
    & skf18("5","5","7","10","4","2","1") = "9"
    & skf18("5","5","7","10","4","3","1") = "9"
    & skf18("5","5","7","10","4","4","1") = "9"
    & skf18("5","5","7","10","4","5","1") = "9"
    & skf18("5","5","7","10","4","6","1") = "9"
    & skf18("5","5","7","10","4","7","1") = "9"
    & skf18("5","5","7","10","4","8","1") = "9"
    & skf18("5","5","7","10","4","9","1") = "9"
    & skf18("5","5","7","10","4","10","1") = "9"
    & skf18("5","5","7","10","5","1","1") = "9"
    & skf18("5","5","7","10","5","2","1") = "9"
    & skf18("5","5","7","10","5","3","1") = "9"
    & skf18("5","5","7","10","5","4","1") = "9"
    & skf18("5","5","7","10","5","5","1") = "9"
    & skf18("5","5","7","10","5","6","1") = "9"
    & skf18("5","5","7","10","5","7","1") = "9"
    & skf18("5","5","7","10","5","8","1") = "9"
    & skf18("5","5","7","10","5","9","1") = "9"
    & skf18("5","5","7","10","5","10","1") = "9"
    & skf18("5","5","7","10","6","1","1") = "9"
    & skf18("5","5","7","10","6","2","1") = "9"
    & skf18("5","5","7","10","6","3","1") = "9"
    & skf18("5","5","7","10","6","4","1") = "9"
    & skf18("5","5","7","10","6","5","1") = "9"
    & skf18("5","5","7","10","6","6","1") = "9"
    & skf18("5","5","7","10","6","7","1") = "9"
    & skf18("5","5","7","10","6","8","1") = "9"
    & skf18("5","5","7","10","6","9","1") = "9"
    & skf18("5","5","7","10","6","10","1") = "9"
    & skf18("5","5","7","10","7","1","1") = "9"
    & skf18("5","5","7","10","7","2","1") = "9"
    & skf18("5","5","7","10","7","3","1") = "9"
    & skf18("5","5","7","10","7","4","1") = "9"
    & skf18("5","5","7","10","7","5","1") = "9"
    & skf18("5","5","7","10","7","6","1") = "9"
    & skf18("5","5","7","10","7","7","1") = "9"
    & skf18("5","5","7","10","7","8","1") = "9"
    & skf18("5","5","7","10","7","9","1") = "9"
    & skf18("5","5","7","10","7","10","1") = "9"
    & skf18("5","5","7","10","8","1","1") = "9"
    & skf18("5","5","7","10","8","2","1") = "9"
    & skf18("5","5","7","10","8","3","1") = "9"
    & skf18("5","5","7","10","8","4","1") = "9"
    & skf18("5","5","7","10","8","5","1") = "9"
    & skf18("5","5","7","10","8","6","1") = "9"
    & skf18("5","5","7","10","8","7","1") = "9"
    & skf18("5","5","7","10","8","8","1") = "9"
    & skf18("5","5","7","10","8","9","1") = "9"
    & skf18("5","5","7","10","8","10","1") = "9"
    & skf18("5","5","7","10","9","1","1") = "9"
    & skf18("5","5","7","10","9","2","1") = "9"
    & skf18("5","5","7","10","9","3","1") = "9"
    & skf18("5","5","7","10","9","4","1") = "9"
    & skf18("5","5","7","10","9","5","1") = "9"
    & skf18("5","5","7","10","9","6","1") = "9"
    & skf18("5","5","7","10","9","7","1") = "9"
    & skf18("5","5","7","10","9","8","1") = "9"
    & skf18("5","5","7","10","9","9","1") = "9"
    & skf18("5","5","7","10","9","10","1") = "9"
    & skf18("5","5","7","10","10","1","1") = "9"
    & skf18("5","5","7","10","10","2","1") = "9"
    & skf18("5","5","7","10","10","3","1") = "9"
    & skf18("5","5","7","10","10","4","1") = "9"
    & skf18("5","5","7","10","10","5","1") = "9"
    & skf18("5","5","7","10","10","6","1") = "9"
    & skf18("5","5","7","10","10","7","1") = "9"
    & skf18("5","5","7","10","10","8","1") = "9"
    & skf18("5","5","7","10","10","9","1") = "9"
    & skf18("5","5","7","10","10","10","1") = "9"
    & skf18("5","5","8","1","1","1","1") = "7"
    & skf18("5","5","8","1","1","2","1") = "7"
    & skf18("5","5","8","1","1","3","1") = "7"
    & skf18("5","5","8","1","1","4","1") = "7"
    & skf18("5","5","8","1","1","5","1") = "7"
    & skf18("5","5","8","1","1","6","1") = "7"
    & skf18("5","5","8","1","1","7","1") = "7"
    & skf18("5","5","8","1","1","8","1") = "7"
    & skf18("5","5","8","1","1","9","1") = "8"
    & skf18("5","5","8","1","1","10","1") = "9"
    & skf18("5","5","8","1","2","1","1") = "7"
    & skf18("5","5","8","1","2","2","1") = "7"
    & skf18("5","5","8","1","2","3","1") = "7"
    & skf18("5","5","8","1","2","4","1") = "7"
    & skf18("5","5","8","1","2","5","1") = "7"
    & skf18("5","5","8","1","2","6","1") = "7"
    & skf18("5","5","8","1","2","7","1") = "7"
    & skf18("5","5","8","1","2","8","1") = "7"
    & skf18("5","5","8","1","2","9","1") = "8"
    & skf18("5","5","8","1","2","10","1") = "9"
    & skf18("5","5","8","1","3","1","1") = "7"
    & skf18("5","5","8","1","3","2","1") = "7"
    & skf18("5","5","8","1","3","3","1") = "7"
    & skf18("5","5","8","1","3","4","1") = "7"
    & skf18("5","5","8","1","3","5","1") = "7"
    & skf18("5","5","8","1","3","6","1") = "7"
    & skf18("5","5","8","1","3","7","1") = "7"
    & skf18("5","5","8","1","3","8","1") = "7"
    & skf18("5","5","8","1","3","9","1") = "8"
    & skf18("5","5","8","1","3","10","1") = "9"
    & skf18("5","5","8","1","4","1","1") = "7"
    & skf18("5","5","8","1","4","2","1") = "7"
    & skf18("5","5","8","1","4","3","1") = "7"
    & skf18("5","5","8","1","4","4","1") = "7"
    & skf18("5","5","8","1","4","5","1") = "7"
    & skf18("5","5","8","1","4","6","1") = "7"
    & skf18("5","5","8","1","4","7","1") = "7"
    & skf18("5","5","8","1","4","8","1") = "7"
    & skf18("5","5","8","1","4","9","1") = "8"
    & skf18("5","5","8","1","4","10","1") = "9"
    & skf18("5","5","8","1","5","1","1") = "7"
    & skf18("5","5","8","1","5","2","1") = "7"
    & skf18("5","5","8","1","5","3","1") = "7"
    & skf18("5","5","8","1","5","4","1") = "7"
    & skf18("5","5","8","1","5","5","1") = "7"
    & skf18("5","5","8","1","5","6","1") = "7"
    & skf18("5","5","8","1","5","7","1") = "7"
    & skf18("5","5","8","1","5","8","1") = "7"
    & skf18("5","5","8","1","5","9","1") = "8"
    & skf18("5","5","8","1","5","10","1") = "9"
    & skf18("5","5","8","1","6","1","1") = "7"
    & skf18("5","5","8","1","6","2","1") = "7"
    & skf18("5","5","8","1","6","3","1") = "7"
    & skf18("5","5","8","1","6","4","1") = "7"
    & skf18("5","5","8","1","6","5","1") = "7"
    & skf18("5","5","8","1","6","6","1") = "7"
    & skf18("5","5","8","1","6","7","1") = "7"
    & skf18("5","5","8","1","6","8","1") = "7"
    & skf18("5","5","8","1","6","9","1") = "8"
    & skf18("5","5","8","1","6","10","1") = "9"
    & skf18("5","5","8","1","7","1","1") = "7"
    & skf18("5","5","8","1","7","2","1") = "7"
    & skf18("5","5","8","1","7","3","1") = "7"
    & skf18("5","5","8","1","7","4","1") = "7"
    & skf18("5","5","8","1","7","5","1") = "7"
    & skf18("5","5","8","1","7","6","1") = "7"
    & skf18("5","5","8","1","7","7","1") = "7"
    & skf18("5","5","8","1","7","8","1") = "7"
    & skf18("5","5","8","1","7","9","1") = "8"
    & skf18("5","5","8","1","7","10","1") = "9"
    & skf18("5","5","8","1","8","1","1") = "7"
    & skf18("5","5","8","1","8","2","1") = "7"
    & skf18("5","5","8","1","8","3","1") = "7"
    & skf18("5","5","8","1","8","4","1") = "7"
    & skf18("5","5","8","1","8","5","1") = "7"
    & skf18("5","5","8","1","8","6","1") = "7"
    & skf18("5","5","8","1","8","7","1") = "7"
    & skf18("5","5","8","1","8","8","1") = "7"
    & skf18("5","5","8","1","8","9","1") = "8"
    & skf18("5","5","8","1","8","10","1") = "9"
    & skf18("5","5","8","1","9","1","1") = "8"
    & skf18("5","5","8","1","9","2","1") = "8"
    & skf18("5","5","8","1","9","3","1") = "8"
    & skf18("5","5","8","1","9","4","1") = "8"
    & skf18("5","5","8","1","9","5","1") = "8"
    & skf18("5","5","8","1","9","6","1") = "8"
    & skf18("5","5","8","1","9","7","1") = "8"
    & skf18("5","5","8","1","9","8","1") = "8"
    & skf18("5","5","8","1","9","9","1") = "8"
    & skf18("5","5","8","1","9","10","1") = "9"
    & skf18("5","5","8","1","10","1","1") = "9"
    & skf18("5","5","8","1","10","2","1") = "9"
    & skf18("5","5","8","1","10","3","1") = "9"
    & skf18("5","5","8","1","10","4","1") = "9"
    & skf18("5","5","8","1","10","5","1") = "9"
    & skf18("5","5","8","1","10","6","1") = "9"
    & skf18("5","5","8","1","10","7","1") = "9"
    & skf18("5","5","8","1","10","8","1") = "9"
    & skf18("5","5","8","1","10","9","1") = "9"
    & skf18("5","5","8","1","10","10","1") = "9"
    & skf18("5","5","8","2","1","1","1") = "7"
    & skf18("5","5","8","2","1","2","1") = "7"
    & skf18("5","5","8","2","1","3","1") = "7"
    & skf18("5","5","8","2","1","4","1") = "7"
    & skf18("5","5","8","2","1","5","1") = "7"
    & skf18("5","5","8","2","1","6","1") = "7"
    & skf18("5","5","8","2","1","7","1") = "7"
    & skf18("5","5","8","2","1","8","1") = "7"
    & skf18("5","5","8","2","1","9","1") = "8"
    & skf18("5","5","8","2","1","10","1") = "9"
    & skf18("5","5","8","2","2","1","1") = "7"
    & skf18("5","5","8","2","2","2","1") = "7"
    & skf18("5","5","8","2","2","3","1") = "7"
    & skf18("5","5","8","2","2","4","1") = "7"
    & skf18("5","5","8","2","2","5","1") = "7"
    & skf18("5","5","8","2","2","6","1") = "7"
    & skf18("5","5","8","2","2","7","1") = "7"
    & skf18("5","5","8","2","2","8","1") = "7"
    & skf18("5","5","8","2","2","9","1") = "8"
    & skf18("5","5","8","2","2","10","1") = "9"
    & skf18("5","5","8","2","3","1","1") = "7"
    & skf18("5","5","8","2","3","2","1") = "7"
    & skf18("5","5","8","2","3","3","1") = "7"
    & skf18("5","5","8","2","3","4","1") = "7"
    & skf18("5","5","8","2","3","5","1") = "7"
    & skf18("5","5","8","2","3","6","1") = "7"
    & skf18("5","5","8","2","3","7","1") = "7"
    & skf18("5","5","8","2","3","8","1") = "7"
    & skf18("5","5","8","2","3","9","1") = "8"
    & skf18("5","5","8","2","3","10","1") = "9"
    & skf18("5","5","8","2","4","1","1") = "7"
    & skf18("5","5","8","2","4","2","1") = "7"
    & skf18("5","5","8","2","4","3","1") = "7"
    & skf18("5","5","8","2","4","4","1") = "7"
    & skf18("5","5","8","2","4","5","1") = "7"
    & skf18("5","5","8","2","4","6","1") = "7"
    & skf18("5","5","8","2","4","7","1") = "7"
    & skf18("5","5","8","2","4","8","1") = "7"
    & skf18("5","5","8","2","4","9","1") = "8"
    & skf18("5","5","8","2","4","10","1") = "9"
    & skf18("5","5","8","2","5","1","1") = "7"
    & skf18("5","5","8","2","5","2","1") = "7"
    & skf18("5","5","8","2","5","3","1") = "7"
    & skf18("5","5","8","2","5","4","1") = "7"
    & skf18("5","5","8","2","5","5","1") = "7"
    & skf18("5","5","8","2","5","6","1") = "7"
    & skf18("5","5","8","2","5","7","1") = "7"
    & skf18("5","5","8","2","5","8","1") = "7"
    & skf18("5","5","8","2","5","9","1") = "8"
    & skf18("5","5","8","2","5","10","1") = "9"
    & skf18("5","5","8","2","6","1","1") = "7"
    & skf18("5","5","8","2","6","2","1") = "7"
    & skf18("5","5","8","2","6","3","1") = "7"
    & skf18("5","5","8","2","6","4","1") = "7"
    & skf18("5","5","8","2","6","5","1") = "7"
    & skf18("5","5","8","2","6","6","1") = "7"
    & skf18("5","5","8","2","6","7","1") = "7"
    & skf18("5","5","8","2","6","8","1") = "7"
    & skf18("5","5","8","2","6","9","1") = "8"
    & skf18("5","5","8","2","6","10","1") = "9"
    & skf18("5","5","8","2","7","1","1") = "7"
    & skf18("5","5","8","2","7","2","1") = "7"
    & skf18("5","5","8","2","7","3","1") = "7"
    & skf18("5","5","8","2","7","4","1") = "7"
    & skf18("5","5","8","2","7","5","1") = "7"
    & skf18("5","5","8","2","7","6","1") = "7"
    & skf18("5","5","8","2","7","7","1") = "7"
    & skf18("5","5","8","2","7","8","1") = "7"
    & skf18("5","5","8","2","7","9","1") = "8"
    & skf18("5","5","8","2","7","10","1") = "9"
    & skf18("5","5","8","2","8","1","1") = "7"
    & skf18("5","5","8","2","8","2","1") = "7"
    & skf18("5","5","8","2","8","3","1") = "7"
    & skf18("5","5","8","2","8","4","1") = "7"
    & skf18("5","5","8","2","8","5","1") = "7"
    & skf18("5","5","8","2","8","6","1") = "7"
    & skf18("5","5","8","2","8","7","1") = "7"
    & skf18("5","5","8","2","8","8","1") = "7"
    & skf18("5","5","8","2","8","9","1") = "8"
    & skf18("5","5","8","2","8","10","1") = "9"
    & skf18("5","5","8","2","9","1","1") = "8"
    & skf18("5","5","8","2","9","2","1") = "8"
    & skf18("5","5","8","2","9","3","1") = "8"
    & skf18("5","5","8","2","9","4","1") = "8"
    & skf18("5","5","8","2","9","5","1") = "8"
    & skf18("5","5","8","2","9","6","1") = "8"
    & skf18("5","5","8","2","9","7","1") = "8"
    & skf18("5","5","8","2","9","8","1") = "8"
    & skf18("5","5","8","2","9","9","1") = "8"
    & skf18("5","5","8","2","9","10","1") = "9"
    & skf18("5","5","8","2","10","1","1") = "9"
    & skf18("5","5","8","2","10","2","1") = "9"
    & skf18("5","5","8","2","10","3","1") = "9"
    & skf18("5","5","8","2","10","4","1") = "9"
    & skf18("5","5","8","2","10","5","1") = "9"
    & skf18("5","5","8","2","10","6","1") = "9"
    & skf18("5","5","8","2","10","7","1") = "9"
    & skf18("5","5","8","2","10","8","1") = "9"
    & skf18("5","5","8","2","10","9","1") = "9"
    & skf18("5","5","8","2","10","10","1") = "9"
    & skf18("5","5","8","3","1","1","1") = "7"
    & skf18("5","5","8","3","1","2","1") = "7"
    & skf18("5","5","8","3","1","3","1") = "7"
    & skf18("5","5","8","3","1","4","1") = "7"
    & skf18("5","5","8","3","1","5","1") = "7"
    & skf18("5","5","8","3","1","6","1") = "7"
    & skf18("5","5","8","3","1","7","1") = "7"
    & skf18("5","5","8","3","1","8","1") = "7"
    & skf18("5","5","8","3","1","9","1") = "8"
    & skf18("5","5","8","3","1","10","1") = "9"
    & skf18("5","5","8","3","2","1","1") = "7"
    & skf18("5","5","8","3","2","2","1") = "7"
    & skf18("5","5","8","3","2","3","1") = "7"
    & skf18("5","5","8","3","2","4","1") = "7"
    & skf18("5","5","8","3","2","5","1") = "7"
    & skf18("5","5","8","3","2","6","1") = "7"
    & skf18("5","5","8","3","2","7","1") = "7"
    & skf18("5","5","8","3","2","8","1") = "7"
    & skf18("5","5","8","3","2","9","1") = "8"
    & skf18("5","5","8","3","2","10","1") = "9"
    & skf18("5","5","8","3","3","1","1") = "7"
    & skf18("5","5","8","3","3","2","1") = "7"
    & skf18("5","5","8","3","3","3","1") = "7"
    & skf18("5","5","8","3","3","4","1") = "7"
    & skf18("5","5","8","3","3","5","1") = "7"
    & skf18("5","5","8","3","3","6","1") = "7"
    & skf18("5","5","8","3","3","7","1") = "7"
    & skf18("5","5","8","3","3","8","1") = "7"
    & skf18("5","5","8","3","3","9","1") = "8"
    & skf18("5","5","8","3","3","10","1") = "9"
    & skf18("5","5","8","3","4","1","1") = "7"
    & skf18("5","5","8","3","4","2","1") = "7"
    & skf18("5","5","8","3","4","3","1") = "7"
    & skf18("5","5","8","3","4","4","1") = "7"
    & skf18("5","5","8","3","4","5","1") = "7"
    & skf18("5","5","8","3","4","6","1") = "7"
    & skf18("5","5","8","3","4","7","1") = "7"
    & skf18("5","5","8","3","4","8","1") = "7"
    & skf18("5","5","8","3","4","9","1") = "8"
    & skf18("5","5","8","3","4","10","1") = "9"
    & skf18("5","5","8","3","5","1","1") = "7"
    & skf18("5","5","8","3","5","2","1") = "7"
    & skf18("5","5","8","3","5","3","1") = "7"
    & skf18("5","5","8","3","5","4","1") = "7"
    & skf18("5","5","8","3","5","5","1") = "7"
    & skf18("5","5","8","3","5","6","1") = "7"
    & skf18("5","5","8","3","5","7","1") = "7"
    & skf18("5","5","8","3","5","8","1") = "7"
    & skf18("5","5","8","3","5","9","1") = "8"
    & skf18("5","5","8","3","5","10","1") = "9"
    & skf18("5","5","8","3","6","1","1") = "7"
    & skf18("5","5","8","3","6","2","1") = "7"
    & skf18("5","5","8","3","6","3","1") = "7"
    & skf18("5","5","8","3","6","4","1") = "7"
    & skf18("5","5","8","3","6","5","1") = "7"
    & skf18("5","5","8","3","6","6","1") = "7"
    & skf18("5","5","8","3","6","7","1") = "7"
    & skf18("5","5","8","3","6","8","1") = "7"
    & skf18("5","5","8","3","6","9","1") = "8"
    & skf18("5","5","8","3","6","10","1") = "9"
    & skf18("5","5","8","3","7","1","1") = "7"
    & skf18("5","5","8","3","7","2","1") = "7"
    & skf18("5","5","8","3","7","3","1") = "7"
    & skf18("5","5","8","3","7","4","1") = "7"
    & skf18("5","5","8","3","7","5","1") = "7"
    & skf18("5","5","8","3","7","6","1") = "7"
    & skf18("5","5","8","3","7","7","1") = "7"
    & skf18("5","5","8","3","7","8","1") = "7"
    & skf18("5","5","8","3","7","9","1") = "8"
    & skf18("5","5","8","3","7","10","1") = "9"
    & skf18("5","5","8","3","8","1","1") = "7"
    & skf18("5","5","8","3","8","2","1") = "7"
    & skf18("5","5","8","3","8","3","1") = "7"
    & skf18("5","5","8","3","8","4","1") = "7"
    & skf18("5","5","8","3","8","5","1") = "7"
    & skf18("5","5","8","3","8","6","1") = "7"
    & skf18("5","5","8","3","8","7","1") = "7"
    & skf18("5","5","8","3","8","8","1") = "7"
    & skf18("5","5","8","3","8","9","1") = "8"
    & skf18("5","5","8","3","8","10","1") = "9"
    & skf18("5","5","8","3","9","1","1") = "8"
    & skf18("5","5","8","3","9","2","1") = "8"
    & skf18("5","5","8","3","9","3","1") = "8"
    & skf18("5","5","8","3","9","4","1") = "8"
    & skf18("5","5","8","3","9","5","1") = "8"
    & skf18("5","5","8","3","9","6","1") = "8"
    & skf18("5","5","8","3","9","7","1") = "8"
    & skf18("5","5","8","3","9","8","1") = "8"
    & skf18("5","5","8","3","9","9","1") = "8"
    & skf18("5","5","8","3","9","10","1") = "9"
    & skf18("5","5","8","3","10","1","1") = "9"
    & skf18("5","5","8","3","10","2","1") = "9"
    & skf18("5","5","8","3","10","3","1") = "9"
    & skf18("5","5","8","3","10","4","1") = "9"
    & skf18("5","5","8","3","10","5","1") = "9"
    & skf18("5","5","8","3","10","6","1") = "9"
    & skf18("5","5","8","3","10","7","1") = "9"
    & skf18("5","5","8","3","10","8","1") = "9"
    & skf18("5","5","8","3","10","9","1") = "9"
    & skf18("5","5","8","3","10","10","1") = "9"
    & skf18("5","5","8","4","1","1","1") = "7"
    & skf18("5","5","8","4","1","2","1") = "7"
    & skf18("5","5","8","4","1","3","1") = "7"
    & skf18("5","5","8","4","1","4","1") = "7"
    & skf18("5","5","8","4","1","5","1") = "7"
    & skf18("5","5","8","4","1","6","1") = "7"
    & skf18("5","5","8","4","1","7","1") = "7"
    & skf18("5","5","8","4","1","8","1") = "7"
    & skf18("5","5","8","4","1","9","1") = "8"
    & skf18("5","5","8","4","1","10","1") = "9"
    & skf18("5","5","8","4","2","1","1") = "7"
    & skf18("5","5","8","4","2","2","1") = "7"
    & skf18("5","5","8","4","2","3","1") = "7"
    & skf18("5","5","8","4","2","4","1") = "7"
    & skf18("5","5","8","4","2","5","1") = "7"
    & skf18("5","5","8","4","2","6","1") = "7"
    & skf18("5","5","8","4","2","7","1") = "7"
    & skf18("5","5","8","4","2","8","1") = "7"
    & skf18("5","5","8","4","2","9","1") = "8"
    & skf18("5","5","8","4","2","10","1") = "9"
    & skf18("5","5","8","4","3","1","1") = "7"
    & skf18("5","5","8","4","3","2","1") = "7"
    & skf18("5","5","8","4","3","3","1") = "7"
    & skf18("5","5","8","4","3","4","1") = "7"
    & skf18("5","5","8","4","3","5","1") = "7"
    & skf18("5","5","8","4","3","6","1") = "7"
    & skf18("5","5","8","4","3","7","1") = "7"
    & skf18("5","5","8","4","3","8","1") = "7"
    & skf18("5","5","8","4","3","9","1") = "8"
    & skf18("5","5","8","4","3","10","1") = "9"
    & skf18("5","5","8","4","4","1","1") = "7"
    & skf18("5","5","8","4","4","2","1") = "7"
    & skf18("5","5","8","4","4","3","1") = "7"
    & skf18("5","5","8","4","4","4","1") = "7"
    & skf18("5","5","8","4","4","5","1") = "7"
    & skf18("5","5","8","4","4","6","1") = "7"
    & skf18("5","5","8","4","4","7","1") = "7"
    & skf18("5","5","8","4","4","8","1") = "7"
    & skf18("5","5","8","4","4","9","1") = "8"
    & skf18("5","5","8","4","4","10","1") = "9"
    & skf18("5","5","8","4","5","1","1") = "7"
    & skf18("5","5","8","4","5","2","1") = "7"
    & skf18("5","5","8","4","5","3","1") = "7"
    & skf18("5","5","8","4","5","4","1") = "7"
    & skf18("5","5","8","4","5","5","1") = "7"
    & skf18("5","5","8","4","5","6","1") = "7"
    & skf18("5","5","8","4","5","7","1") = "7"
    & skf18("5","5","8","4","5","8","1") = "7"
    & skf18("5","5","8","4","5","9","1") = "8"
    & skf18("5","5","8","4","5","10","1") = "9"
    & skf18("5","5","8","4","6","1","1") = "7"
    & skf18("5","5","8","4","6","2","1") = "7"
    & skf18("5","5","8","4","6","3","1") = "7"
    & skf18("5","5","8","4","6","4","1") = "7"
    & skf18("5","5","8","4","6","5","1") = "7"
    & skf18("5","5","8","4","6","6","1") = "7"
    & skf18("5","5","8","4","6","7","1") = "7"
    & skf18("5","5","8","4","6","8","1") = "7"
    & skf18("5","5","8","4","6","9","1") = "8"
    & skf18("5","5","8","4","6","10","1") = "9"
    & skf18("5","5","8","4","7","1","1") = "7"
    & skf18("5","5","8","4","7","2","1") = "7"
    & skf18("5","5","8","4","7","3","1") = "7"
    & skf18("5","5","8","4","7","4","1") = "7"
    & skf18("5","5","8","4","7","5","1") = "7"
    & skf18("5","5","8","4","7","6","1") = "7"
    & skf18("5","5","8","4","7","7","1") = "7"
    & skf18("5","5","8","4","7","8","1") = "7"
    & skf18("5","5","8","4","7","9","1") = "8"
    & skf18("5","5","8","4","7","10","1") = "9"
    & skf18("5","5","8","4","8","1","1") = "7"
    & skf18("5","5","8","4","8","2","1") = "7"
    & skf18("5","5","8","4","8","3","1") = "7"
    & skf18("5","5","8","4","8","4","1") = "7"
    & skf18("5","5","8","4","8","5","1") = "7"
    & skf18("5","5","8","4","8","6","1") = "7"
    & skf18("5","5","8","4","8","7","1") = "7"
    & skf18("5","5","8","4","8","8","1") = "7"
    & skf18("5","5","8","4","8","9","1") = "8"
    & skf18("5","5","8","4","8","10","1") = "9"
    & skf18("5","5","8","4","9","1","1") = "8"
    & skf18("5","5","8","4","9","2","1") = "8"
    & skf18("5","5","8","4","9","3","1") = "8"
    & skf18("5","5","8","4","9","4","1") = "8"
    & skf18("5","5","8","4","9","5","1") = "8"
    & skf18("5","5","8","4","9","6","1") = "8"
    & skf18("5","5","8","4","9","7","1") = "8"
    & skf18("5","5","8","4","9","8","1") = "8"
    & skf18("5","5","8","4","9","9","1") = "8"
    & skf18("5","5","8","4","9","10","1") = "9"
    & skf18("5","5","8","4","10","1","1") = "9"
    & skf18("5","5","8","4","10","2","1") = "9"
    & skf18("5","5","8","4","10","3","1") = "9"
    & skf18("5","5","8","4","10","4","1") = "9"
    & skf18("5","5","8","4","10","5","1") = "9"
    & skf18("5","5","8","4","10","6","1") = "9"
    & skf18("5","5","8","4","10","7","1") = "9"
    & skf18("5","5","8","4","10","8","1") = "9"
    & skf18("5","5","8","4","10","9","1") = "9"
    & skf18("5","5","8","4","10","10","1") = "9"
    & skf18("5","5","8","5","1","1","1") = "7"
    & skf18("5","5","8","5","1","2","1") = "7"
    & skf18("5","5","8","5","1","3","1") = "7"
    & skf18("5","5","8","5","1","4","1") = "7"
    & skf18("5","5","8","5","1","5","1") = "7"
    & skf18("5","5","8","5","1","6","1") = "7"
    & skf18("5","5","8","5","1","7","1") = "7"
    & skf18("5","5","8","5","1","8","1") = "7"
    & skf18("5","5","8","5","1","9","1") = "8"
    & skf18("5","5","8","5","1","10","1") = "9"
    & skf18("5","5","8","5","2","1","1") = "7"
    & skf18("5","5","8","5","2","2","1") = "7"
    & skf18("5","5","8","5","2","3","1") = "7"
    & skf18("5","5","8","5","2","4","1") = "7"
    & skf18("5","5","8","5","2","5","1") = "7"
    & skf18("5","5","8","5","2","6","1") = "7"
    & skf18("5","5","8","5","2","7","1") = "7"
    & skf18("5","5","8","5","2","8","1") = "7"
    & skf18("5","5","8","5","2","9","1") = "8"
    & skf18("5","5","8","5","2","10","1") = "9"
    & skf18("5","5","8","5","3","1","1") = "7"
    & skf18("5","5","8","5","3","2","1") = "7"
    & skf18("5","5","8","5","3","3","1") = "7"
    & skf18("5","5","8","5","3","4","1") = "7"
    & skf18("5","5","8","5","3","5","1") = "7"
    & skf18("5","5","8","5","3","6","1") = "7"
    & skf18("5","5","8","5","3","7","1") = "7"
    & skf18("5","5","8","5","3","8","1") = "7"
    & skf18("5","5","8","5","3","9","1") = "8"
    & skf18("5","5","8","5","3","10","1") = "9"
    & skf18("5","5","8","5","4","1","1") = "7"
    & skf18("5","5","8","5","4","2","1") = "7"
    & skf18("5","5","8","5","4","3","1") = "7"
    & skf18("5","5","8","5","4","4","1") = "7"
    & skf18("5","5","8","5","4","5","1") = "7"
    & skf18("5","5","8","5","4","6","1") = "7"
    & skf18("5","5","8","5","4","7","1") = "7"
    & skf18("5","5","8","5","4","8","1") = "7"
    & skf18("5","5","8","5","4","9","1") = "8"
    & skf18("5","5","8","5","4","10","1") = "9"
    & skf18("5","5","8","5","5","1","1") = "7"
    & skf18("5","5","8","5","5","2","1") = "7"
    & skf18("5","5","8","5","5","3","1") = "7"
    & skf18("5","5","8","5","5","4","1") = "7"
    & skf18("5","5","8","5","5","5","1") = "7"
    & skf18("5","5","8","5","5","6","1") = "7"
    & skf18("5","5","8","5","5","7","1") = "7"
    & skf18("5","5","8","5","5","8","1") = "7"
    & skf18("5","5","8","5","5","9","1") = "8"
    & skf18("5","5","8","5","5","10","1") = "9"
    & skf18("5","5","8","5","6","1","1") = "7"
    & skf18("5","5","8","5","6","2","1") = "7"
    & skf18("5","5","8","5","6","3","1") = "7"
    & skf18("5","5","8","5","6","4","1") = "7"
    & skf18("5","5","8","5","6","5","1") = "7"
    & skf18("5","5","8","5","6","6","1") = "7"
    & skf18("5","5","8","5","6","7","1") = "7"
    & skf18("5","5","8","5","6","8","1") = "7"
    & skf18("5","5","8","5","6","9","1") = "8"
    & skf18("5","5","8","5","6","10","1") = "9"
    & skf18("5","5","8","5","7","1","1") = "7"
    & skf18("5","5","8","5","7","2","1") = "7"
    & skf18("5","5","8","5","7","3","1") = "7"
    & skf18("5","5","8","5","7","4","1") = "7"
    & skf18("5","5","8","5","7","5","1") = "7"
    & skf18("5","5","8","5","7","6","1") = "7"
    & skf18("5","5","8","5","7","7","1") = "7"
    & skf18("5","5","8","5","7","8","1") = "7"
    & skf18("5","5","8","5","7","9","1") = "8"
    & skf18("5","5","8","5","7","10","1") = "9"
    & skf18("5","5","8","5","8","1","1") = "7"
    & skf18("5","5","8","5","8","2","1") = "7"
    & skf18("5","5","8","5","8","3","1") = "7"
    & skf18("5","5","8","5","8","4","1") = "7"
    & skf18("5","5","8","5","8","5","1") = "7"
    & skf18("5","5","8","5","8","6","1") = "7"
    & skf18("5","5","8","5","8","7","1") = "7"
    & skf18("5","5","8","5","8","8","1") = "7"
    & skf18("5","5","8","5","8","9","1") = "8"
    & skf18("5","5","8","5","8","10","1") = "9"
    & skf18("5","5","8","5","9","1","1") = "8"
    & skf18("5","5","8","5","9","2","1") = "8"
    & skf18("5","5","8","5","9","3","1") = "8"
    & skf18("5","5","8","5","9","4","1") = "8"
    & skf18("5","5","8","5","9","5","1") = "8"
    & skf18("5","5","8","5","9","6","1") = "8"
    & skf18("5","5","8","5","9","7","1") = "8"
    & skf18("5","5","8","5","9","8","1") = "8"
    & skf18("5","5","8","5","9","9","1") = "8"
    & skf18("5","5","8","5","9","10","1") = "9"
    & skf18("5","5","8","5","10","1","1") = "9"
    & skf18("5","5","8","5","10","2","1") = "9"
    & skf18("5","5","8","5","10","3","1") = "9"
    & skf18("5","5","8","5","10","4","1") = "9"
    & skf18("5","5","8","5","10","5","1") = "9"
    & skf18("5","5","8","5","10","6","1") = "9"
    & skf18("5","5","8","5","10","7","1") = "9"
    & skf18("5","5","8","5","10","8","1") = "9"
    & skf18("5","5","8","5","10","9","1") = "9"
    & skf18("5","5","8","5","10","10","1") = "9"
    & skf18("5","5","8","6","1","1","1") = "7"
    & skf18("5","5","8","6","1","2","1") = "7"
    & skf18("5","5","8","6","1","3","1") = "7"
    & skf18("5","5","8","6","1","4","1") = "7"
    & skf18("5","5","8","6","1","5","1") = "7"
    & skf18("5","5","8","6","1","6","1") = "7"
    & skf18("5","5","8","6","1","7","1") = "7"
    & skf18("5","5","8","6","1","8","1") = "7"
    & skf18("5","5","8","6","1","9","1") = "8"
    & skf18("5","5","8","6","1","10","1") = "9"
    & skf18("5","5","8","6","2","1","1") = "7"
    & skf18("5","5","8","6","2","2","1") = "7"
    & skf18("5","5","8","6","2","3","1") = "7"
    & skf18("5","5","8","6","2","4","1") = "7"
    & skf18("5","5","8","6","2","5","1") = "7"
    & skf18("5","5","8","6","2","6","1") = "7"
    & skf18("5","5","8","6","2","7","1") = "7"
    & skf18("5","5","8","6","2","8","1") = "7"
    & skf18("5","5","8","6","2","9","1") = "8"
    & skf18("5","5","8","6","2","10","1") = "9"
    & skf18("5","5","8","6","3","1","1") = "7"
    & skf18("5","5","8","6","3","2","1") = "7"
    & skf18("5","5","8","6","3","3","1") = "7"
    & skf18("5","5","8","6","3","4","1") = "7"
    & skf18("5","5","8","6","3","5","1") = "7"
    & skf18("5","5","8","6","3","6","1") = "7"
    & skf18("5","5","8","6","3","7","1") = "7"
    & skf18("5","5","8","6","3","8","1") = "7"
    & skf18("5","5","8","6","3","9","1") = "8"
    & skf18("5","5","8","6","3","10","1") = "9"
    & skf18("5","5","8","6","4","1","1") = "7"
    & skf18("5","5","8","6","4","2","1") = "7"
    & skf18("5","5","8","6","4","3","1") = "7"
    & skf18("5","5","8","6","4","4","1") = "7"
    & skf18("5","5","8","6","4","5","1") = "7"
    & skf18("5","5","8","6","4","6","1") = "7"
    & skf18("5","5","8","6","4","7","1") = "7"
    & skf18("5","5","8","6","4","8","1") = "7"
    & skf18("5","5","8","6","4","9","1") = "8"
    & skf18("5","5","8","6","4","10","1") = "9"
    & skf18("5","5","8","6","5","1","1") = "7"
    & skf18("5","5","8","6","5","2","1") = "7"
    & skf18("5","5","8","6","5","3","1") = "7"
    & skf18("5","5","8","6","5","4","1") = "7"
    & skf18("5","5","8","6","5","5","1") = "7"
    & skf18("5","5","8","6","5","6","1") = "7"
    & skf18("5","5","8","6","5","7","1") = "7"
    & skf18("5","5","8","6","5","8","1") = "7"
    & skf18("5","5","8","6","5","9","1") = "8"
    & skf18("5","5","8","6","5","10","1") = "9"
    & skf18("5","5","8","6","6","1","1") = "7"
    & skf18("5","5","8","6","6","2","1") = "7"
    & skf18("5","5","8","6","6","3","1") = "7"
    & skf18("5","5","8","6","6","4","1") = "7"
    & skf18("5","5","8","6","6","5","1") = "7"
    & skf18("5","5","8","6","6","6","1") = "7"
    & skf18("5","5","8","6","6","7","1") = "7"
    & skf18("5","5","8","6","6","8","1") = "7"
    & skf18("5","5","8","6","6","9","1") = "8"
    & skf18("5","5","8","6","6","10","1") = "9"
    & skf18("5","5","8","6","7","1","1") = "7"
    & skf18("5","5","8","6","7","2","1") = "7"
    & skf18("5","5","8","6","7","3","1") = "7"
    & skf18("5","5","8","6","7","4","1") = "7"
    & skf18("5","5","8","6","7","5","1") = "7"
    & skf18("5","5","8","6","7","6","1") = "7"
    & skf18("5","5","8","6","7","7","1") = "7"
    & skf18("5","5","8","6","7","8","1") = "7"
    & skf18("5","5","8","6","7","9","1") = "8"
    & skf18("5","5","8","6","7","10","1") = "9"
    & skf18("5","5","8","6","8","1","1") = "7"
    & skf18("5","5","8","6","8","2","1") = "7"
    & skf18("5","5","8","6","8","3","1") = "7"
    & skf18("5","5","8","6","8","4","1") = "7"
    & skf18("5","5","8","6","8","5","1") = "7"
    & skf18("5","5","8","6","8","6","1") = "7"
    & skf18("5","5","8","6","8","7","1") = "7"
    & skf18("5","5","8","6","8","8","1") = "7"
    & skf18("5","5","8","6","8","9","1") = "8"
    & skf18("5","5","8","6","8","10","1") = "9"
    & skf18("5","5","8","6","9","1","1") = "8"
    & skf18("5","5","8","6","9","2","1") = "8"
    & skf18("5","5","8","6","9","3","1") = "8"
    & skf18("5","5","8","6","9","4","1") = "8"
    & skf18("5","5","8","6","9","5","1") = "8"
    & skf18("5","5","8","6","9","6","1") = "8"
    & skf18("5","5","8","6","9","7","1") = "8"
    & skf18("5","5","8","6","9","8","1") = "8"
    & skf18("5","5","8","6","9","9","1") = "8"
    & skf18("5","5","8","6","9","10","1") = "9"
    & skf18("5","5","8","6","10","1","1") = "9"
    & skf18("5","5","8","6","10","2","1") = "9"
    & skf18("5","5","8","6","10","3","1") = "9"
    & skf18("5","5","8","6","10","4","1") = "9"
    & skf18("5","5","8","6","10","5","1") = "9"
    & skf18("5","5","8","6","10","6","1") = "9"
    & skf18("5","5","8","6","10","7","1") = "9"
    & skf18("5","5","8","6","10","8","1") = "9"
    & skf18("5","5","8","6","10","9","1") = "9"
    & skf18("5","5","8","6","10","10","1") = "9"
    & skf18("5","5","8","7","1","1","1") = "7"
    & skf18("5","5","8","7","1","2","1") = "7"
    & skf18("5","5","8","7","1","3","1") = "7"
    & skf18("5","5","8","7","1","4","1") = "7"
    & skf18("5","5","8","7","1","5","1") = "7"
    & skf18("5","5","8","7","1","6","1") = "7"
    & skf18("5","5","8","7","1","7","1") = "7"
    & skf18("5","5","8","7","1","8","1") = "7"
    & skf18("5","5","8","7","1","9","1") = "8"
    & skf18("5","5","8","7","1","10","1") = "9"
    & skf18("5","5","8","7","2","1","1") = "7"
    & skf18("5","5","8","7","2","2","1") = "7"
    & skf18("5","5","8","7","2","3","1") = "7"
    & skf18("5","5","8","7","2","4","1") = "7"
    & skf18("5","5","8","7","2","5","1") = "7"
    & skf18("5","5","8","7","2","6","1") = "7"
    & skf18("5","5","8","7","2","7","1") = "7"
    & skf18("5","5","8","7","2","8","1") = "7"
    & skf18("5","5","8","7","2","9","1") = "8"
    & skf18("5","5","8","7","2","10","1") = "9"
    & skf18("5","5","8","7","3","1","1") = "7"
    & skf18("5","5","8","7","3","2","1") = "7"
    & skf18("5","5","8","7","3","3","1") = "7"
    & skf18("5","5","8","7","3","4","1") = "7"
    & skf18("5","5","8","7","3","5","1") = "7"
    & skf18("5","5","8","7","3","6","1") = "7"
    & skf18("5","5","8","7","3","7","1") = "7"
    & skf18("5","5","8","7","3","8","1") = "7"
    & skf18("5","5","8","7","3","9","1") = "8"
    & skf18("5","5","8","7","3","10","1") = "9"
    & skf18("5","5","8","7","4","1","1") = "7"
    & skf18("5","5","8","7","4","2","1") = "7"
    & skf18("5","5","8","7","4","3","1") = "7"
    & skf18("5","5","8","7","4","4","1") = "7"
    & skf18("5","5","8","7","4","5","1") = "7"
    & skf18("5","5","8","7","4","6","1") = "7"
    & skf18("5","5","8","7","4","7","1") = "7"
    & skf18("5","5","8","7","4","8","1") = "7"
    & skf18("5","5","8","7","4","9","1") = "8"
    & skf18("5","5","8","7","4","10","1") = "9"
    & skf18("5","5","8","7","5","1","1") = "7"
    & skf18("5","5","8","7","5","2","1") = "7"
    & skf18("5","5","8","7","5","3","1") = "7"
    & skf18("5","5","8","7","5","4","1") = "7"
    & skf18("5","5","8","7","5","5","1") = "7"
    & skf18("5","5","8","7","5","6","1") = "7"
    & skf18("5","5","8","7","5","7","1") = "7"
    & skf18("5","5","8","7","5","8","1") = "7"
    & skf18("5","5","8","7","5","9","1") = "8"
    & skf18("5","5","8","7","5","10","1") = "9"
    & skf18("5","5","8","7","6","1","1") = "7"
    & skf18("5","5","8","7","6","2","1") = "7"
    & skf18("5","5","8","7","6","3","1") = "7"
    & skf18("5","5","8","7","6","4","1") = "7"
    & skf18("5","5","8","7","6","5","1") = "7"
    & skf18("5","5","8","7","6","6","1") = "7"
    & skf18("5","5","8","7","6","7","1") = "7"
    & skf18("5","5","8","7","6","8","1") = "7"
    & skf18("5","5","8","7","6","9","1") = "8"
    & skf18("5","5","8","7","6","10","1") = "9"
    & skf18("5","5","8","7","7","1","1") = "7"
    & skf18("5","5","8","7","7","2","1") = "7"
    & skf18("5","5","8","7","7","3","1") = "7"
    & skf18("5","5","8","7","7","4","1") = "7"
    & skf18("5","5","8","7","7","5","1") = "7"
    & skf18("5","5","8","7","7","6","1") = "7"
    & skf18("5","5","8","7","7","7","1") = "7"
    & skf18("5","5","8","7","7","8","1") = "7"
    & skf18("5","5","8","7","7","9","1") = "8"
    & skf18("5","5","8","7","7","10","1") = "9"
    & skf18("5","5","8","7","8","1","1") = "7"
    & skf18("5","5","8","7","8","2","1") = "7"
    & skf18("5","5","8","7","8","3","1") = "7"
    & skf18("5","5","8","7","8","4","1") = "7"
    & skf18("5","5","8","7","8","5","1") = "7"
    & skf18("5","5","8","7","8","6","1") = "7"
    & skf18("5","5","8","7","8","7","1") = "7"
    & skf18("5","5","8","7","8","8","1") = "7"
    & skf18("5","5","8","7","8","9","1") = "8"
    & skf18("5","5","8","7","8","10","1") = "9"
    & skf18("5","5","8","7","9","1","1") = "8"
    & skf18("5","5","8","7","9","2","1") = "8"
    & skf18("5","5","8","7","9","3","1") = "8"
    & skf18("5","5","8","7","9","4","1") = "8"
    & skf18("5","5","8","7","9","5","1") = "8"
    & skf18("5","5","8","7","9","6","1") = "8"
    & skf18("5","5","8","7","9","7","1") = "8"
    & skf18("5","5","8","7","9","8","1") = "8"
    & skf18("5","5","8","7","9","9","1") = "8"
    & skf18("5","5","8","7","9","10","1") = "9"
    & skf18("5","5","8","7","10","1","1") = "9"
    & skf18("5","5","8","7","10","2","1") = "9"
    & skf18("5","5","8","7","10","3","1") = "9"
    & skf18("5","5","8","7","10","4","1") = "9"
    & skf18("5","5","8","7","10","5","1") = "9"
    & skf18("5","5","8","7","10","6","1") = "9"
    & skf18("5","5","8","7","10","7","1") = "9"
    & skf18("5","5","8","7","10","8","1") = "9"
    & skf18("5","5","8","7","10","9","1") = "9"
    & skf18("5","5","8","7","10","10","1") = "9"
    & skf18("5","5","8","8","1","1","1") = "7"
    & skf18("5","5","8","8","1","2","1") = "7"
    & skf18("5","5","8","8","1","3","1") = "7"
    & skf18("5","5","8","8","1","4","1") = "7"
    & skf18("5","5","8","8","1","5","1") = "7"
    & skf18("5","5","8","8","1","6","1") = "7"
    & skf18("5","5","8","8","1","7","1") = "7"
    & skf18("5","5","8","8","1","8","1") = "7"
    & skf18("5","5","8","8","1","9","1") = "8"
    & skf18("5","5","8","8","1","10","1") = "9"
    & skf18("5","5","8","8","2","1","1") = "7"
    & skf18("5","5","8","8","2","2","1") = "7"
    & skf18("5","5","8","8","2","3","1") = "7"
    & skf18("5","5","8","8","2","4","1") = "7"
    & skf18("5","5","8","8","2","5","1") = "7"
    & skf18("5","5","8","8","2","6","1") = "7"
    & skf18("5","5","8","8","2","7","1") = "7"
    & skf18("5","5","8","8","2","8","1") = "7"
    & skf18("5","5","8","8","2","9","1") = "8"
    & skf18("5","5","8","8","2","10","1") = "9"
    & skf18("5","5","8","8","3","1","1") = "7"
    & skf18("5","5","8","8","3","2","1") = "7"
    & skf18("5","5","8","8","3","3","1") = "7"
    & skf18("5","5","8","8","3","4","1") = "7"
    & skf18("5","5","8","8","3","5","1") = "7"
    & skf18("5","5","8","8","3","6","1") = "7"
    & skf18("5","5","8","8","3","7","1") = "7"
    & skf18("5","5","8","8","3","8","1") = "7"
    & skf18("5","5","8","8","3","9","1") = "8"
    & skf18("5","5","8","8","3","10","1") = "9"
    & skf18("5","5","8","8","4","1","1") = "7"
    & skf18("5","5","8","8","4","2","1") = "7"
    & skf18("5","5","8","8","4","3","1") = "7"
    & skf18("5","5","8","8","4","4","1") = "7"
    & skf18("5","5","8","8","4","5","1") = "7"
    & skf18("5","5","8","8","4","6","1") = "7"
    & skf18("5","5","8","8","4","7","1") = "7"
    & skf18("5","5","8","8","4","8","1") = "7"
    & skf18("5","5","8","8","4","9","1") = "8"
    & skf18("5","5","8","8","4","10","1") = "9"
    & skf18("5","5","8","8","5","1","1") = "7"
    & skf18("5","5","8","8","5","2","1") = "7"
    & skf18("5","5","8","8","5","3","1") = "7"
    & skf18("5","5","8","8","5","4","1") = "7"
    & skf18("5","5","8","8","5","5","1") = "7"
    & skf18("5","5","8","8","5","6","1") = "7"
    & skf18("5","5","8","8","5","7","1") = "7"
    & skf18("5","5","8","8","5","8","1") = "7"
    & skf18("5","5","8","8","5","9","1") = "8"
    & skf18("5","5","8","8","5","10","1") = "9"
    & skf18("5","5","8","8","6","1","1") = "7"
    & skf18("5","5","8","8","6","2","1") = "7"
    & skf18("5","5","8","8","6","3","1") = "7"
    & skf18("5","5","8","8","6","4","1") = "7"
    & skf18("5","5","8","8","6","5","1") = "7"
    & skf18("5","5","8","8","6","6","1") = "7"
    & skf18("5","5","8","8","6","7","1") = "7"
    & skf18("5","5","8","8","6","8","1") = "7"
    & skf18("5","5","8","8","6","9","1") = "8"
    & skf18("5","5","8","8","6","10","1") = "9"
    & skf18("5","5","8","8","7","1","1") = "7"
    & skf18("5","5","8","8","7","2","1") = "7"
    & skf18("5","5","8","8","7","3","1") = "7"
    & skf18("5","5","8","8","7","4","1") = "7"
    & skf18("5","5","8","8","7","5","1") = "7"
    & skf18("5","5","8","8","7","6","1") = "7"
    & skf18("5","5","8","8","7","7","1") = "7"
    & skf18("5","5","8","8","7","8","1") = "7"
    & skf18("5","5","8","8","7","9","1") = "8"
    & skf18("5","5","8","8","7","10","1") = "9"
    & skf18("5","5","8","8","8","1","1") = "7"
    & skf18("5","5","8","8","8","2","1") = "7"
    & skf18("5","5","8","8","8","3","1") = "7"
    & skf18("5","5","8","8","8","4","1") = "7"
    & skf18("5","5","8","8","8","5","1") = "7"
    & skf18("5","5","8","8","8","6","1") = "7"
    & skf18("5","5","8","8","8","7","1") = "7"
    & skf18("5","5","8","8","8","8","1") = "7"
    & skf18("5","5","8","8","8","9","1") = "8"
    & skf18("5","5","8","8","8","10","1") = "9"
    & skf18("5","5","8","8","9","1","1") = "8"
    & skf18("5","5","8","8","9","2","1") = "8"
    & skf18("5","5","8","8","9","3","1") = "8"
    & skf18("5","5","8","8","9","4","1") = "8"
    & skf18("5","5","8","8","9","5","1") = "8"
    & skf18("5","5","8","8","9","6","1") = "8"
    & skf18("5","5","8","8","9","7","1") = "8"
    & skf18("5","5","8","8","9","8","1") = "8"
    & skf18("5","5","8","8","9","9","1") = "8"
    & skf18("5","5","8","8","9","10","1") = "9"
    & skf18("5","5","8","8","10","1","1") = "9"
    & skf18("5","5","8","8","10","2","1") = "9"
    & skf18("5","5","8","8","10","3","1") = "9"
    & skf18("5","5","8","8","10","4","1") = "9"
    & skf18("5","5","8","8","10","5","1") = "9"
    & skf18("5","5","8","8","10","6","1") = "9"
    & skf18("5","5","8","8","10","7","1") = "9"
    & skf18("5","5","8","8","10","8","1") = "9"
    & skf18("5","5","8","8","10","9","1") = "9"
    & skf18("5","5","8","8","10","10","1") = "9"
    & skf18("5","5","8","9","1","1","1") = "8"
    & skf18("5","5","8","9","1","2","1") = "8"
    & skf18("5","5","8","9","1","3","1") = "8"
    & skf18("5","5","8","9","1","4","1") = "8"
    & skf18("5","5","8","9","1","5","1") = "8"
    & skf18("5","5","8","9","1","6","1") = "8"
    & skf18("5","5","8","9","1","7","1") = "8"
    & skf18("5","5","8","9","1","8","1") = "8"
    & skf18("5","5","8","9","1","9","1") = "8"
    & skf18("5","5","8","9","1","10","1") = "9"
    & skf18("5","5","8","9","2","1","1") = "8"
    & skf18("5","5","8","9","2","2","1") = "8"
    & skf18("5","5","8","9","2","3","1") = "8"
    & skf18("5","5","8","9","2","4","1") = "8"
    & skf18("5","5","8","9","2","5","1") = "8"
    & skf18("5","5","8","9","2","6","1") = "8"
    & skf18("5","5","8","9","2","7","1") = "8"
    & skf18("5","5","8","9","2","8","1") = "8"
    & skf18("5","5","8","9","2","9","1") = "8"
    & skf18("5","5","8","9","2","10","1") = "9"
    & skf18("5","5","8","9","3","1","1") = "8"
    & skf18("5","5","8","9","3","2","1") = "8"
    & skf18("5","5","8","9","3","3","1") = "8"
    & skf18("5","5","8","9","3","4","1") = "8"
    & skf18("5","5","8","9","3","5","1") = "8"
    & skf18("5","5","8","9","3","6","1") = "8"
    & skf18("5","5","8","9","3","7","1") = "8"
    & skf18("5","5","8","9","3","8","1") = "8"
    & skf18("5","5","8","9","3","9","1") = "8"
    & skf18("5","5","8","9","3","10","1") = "9"
    & skf18("5","5","8","9","4","1","1") = "8"
    & skf18("5","5","8","9","4","2","1") = "8"
    & skf18("5","5","8","9","4","3","1") = "8"
    & skf18("5","5","8","9","4","4","1") = "8"
    & skf18("5","5","8","9","4","5","1") = "8"
    & skf18("5","5","8","9","4","6","1") = "8"
    & skf18("5","5","8","9","4","7","1") = "8"
    & skf18("5","5","8","9","4","8","1") = "8"
    & skf18("5","5","8","9","4","9","1") = "8"
    & skf18("5","5","8","9","4","10","1") = "9"
    & skf18("5","5","8","9","5","1","1") = "8"
    & skf18("5","5","8","9","5","2","1") = "8"
    & skf18("5","5","8","9","5","3","1") = "8"
    & skf18("5","5","8","9","5","4","1") = "8"
    & skf18("5","5","8","9","5","5","1") = "8"
    & skf18("5","5","8","9","5","6","1") = "8"
    & skf18("5","5","8","9","5","7","1") = "8"
    & skf18("5","5","8","9","5","8","1") = "8"
    & skf18("5","5","8","9","5","9","1") = "8"
    & skf18("5","5","8","9","5","10","1") = "9"
    & skf18("5","5","8","9","6","1","1") = "8"
    & skf18("5","5","8","9","6","2","1") = "8"
    & skf18("5","5","8","9","6","3","1") = "8"
    & skf18("5","5","8","9","6","4","1") = "8"
    & skf18("5","5","8","9","6","5","1") = "8"
    & skf18("5","5","8","9","6","6","1") = "8"
    & skf18("5","5","8","9","6","7","1") = "8"
    & skf18("5","5","8","9","6","8","1") = "8"
    & skf18("5","5","8","9","6","9","1") = "8"
    & skf18("5","5","8","9","6","10","1") = "9"
    & skf18("5","5","8","9","7","1","1") = "8"
    & skf18("5","5","8","9","7","2","1") = "8"
    & skf18("5","5","8","9","7","3","1") = "8"
    & skf18("5","5","8","9","7","4","1") = "8"
    & skf18("5","5","8","9","7","5","1") = "8"
    & skf18("5","5","8","9","7","6","1") = "8"
    & skf18("5","5","8","9","7","7","1") = "8"
    & skf18("5","5","8","9","7","8","1") = "8"
    & skf18("5","5","8","9","7","9","1") = "8"
    & skf18("5","5","8","9","7","10","1") = "9"
    & skf18("5","5","8","9","8","1","1") = "8"
    & skf18("5","5","8","9","8","2","1") = "8"
    & skf18("5","5","8","9","8","3","1") = "8"
    & skf18("5","5","8","9","8","4","1") = "8"
    & skf18("5","5","8","9","8","5","1") = "8"
    & skf18("5","5","8","9","8","6","1") = "8"
    & skf18("5","5","8","9","8","7","1") = "8"
    & skf18("5","5","8","9","8","8","1") = "8"
    & skf18("5","5","8","9","8","9","1") = "8"
    & skf18("5","5","8","9","8","10","1") = "9"
    & skf18("5","5","8","9","9","1","1") = "8"
    & skf18("5","5","8","9","9","2","1") = "8"
    & skf18("5","5","8","9","9","3","1") = "8"
    & skf18("5","5","8","9","9","4","1") = "8"
    & skf18("5","5","8","9","9","5","1") = "8"
    & skf18("5","5","8","9","9","6","1") = "8"
    & skf18("5","5","8","9","9","7","1") = "8"
    & skf18("5","5","8","9","9","8","1") = "8"
    & skf18("5","5","8","9","9","9","1") = "8"
    & skf18("5","5","8","9","9","10","1") = "9"
    & skf18("5","5","8","9","10","1","1") = "9"
    & skf18("5","5","8","9","10","2","1") = "9"
    & skf18("5","5","8","9","10","3","1") = "9"
    & skf18("5","5","8","9","10","4","1") = "9"
    & skf18("5","5","8","9","10","5","1") = "9"
    & skf18("5","5","8","9","10","6","1") = "9"
    & skf18("5","5","8","9","10","7","1") = "9"
    & skf18("5","5","8","9","10","8","1") = "9"
    & skf18("5","5","8","9","10","9","1") = "9"
    & skf18("5","5","8","9","10","10","1") = "9"
    & skf18("5","5","8","10","1","1","1") = "9"
    & skf18("5","5","8","10","1","2","1") = "9"
    & skf18("5","5","8","10","1","3","1") = "9"
    & skf18("5","5","8","10","1","4","1") = "9"
    & skf18("5","5","8","10","1","5","1") = "9"
    & skf18("5","5","8","10","1","6","1") = "9"
    & skf18("5","5","8","10","1","7","1") = "9"
    & skf18("5","5","8","10","1","8","1") = "9"
    & skf18("5","5","8","10","1","9","1") = "9"
    & skf18("5","5","8","10","1","10","1") = "9"
    & skf18("5","5","8","10","2","1","1") = "9"
    & skf18("5","5","8","10","2","2","1") = "9"
    & skf18("5","5","8","10","2","3","1") = "9"
    & skf18("5","5","8","10","2","4","1") = "9"
    & skf18("5","5","8","10","2","5","1") = "9"
    & skf18("5","5","8","10","2","6","1") = "9"
    & skf18("5","5","8","10","2","7","1") = "9"
    & skf18("5","5","8","10","2","8","1") = "9"
    & skf18("5","5","8","10","2","9","1") = "9"
    & skf18("5","5","8","10","2","10","1") = "9"
    & skf18("5","5","8","10","3","1","1") = "9"
    & skf18("5","5","8","10","3","2","1") = "9"
    & skf18("5","5","8","10","3","3","1") = "9"
    & skf18("5","5","8","10","3","4","1") = "9"
    & skf18("5","5","8","10","3","5","1") = "9"
    & skf18("5","5","8","10","3","6","1") = "9"
    & skf18("5","5","8","10","3","7","1") = "9"
    & skf18("5","5","8","10","3","8","1") = "9"
    & skf18("5","5","8","10","3","9","1") = "9"
    & skf18("5","5","8","10","3","10","1") = "9"
    & skf18("5","5","8","10","4","1","1") = "9"
    & skf18("5","5","8","10","4","2","1") = "9"
    & skf18("5","5","8","10","4","3","1") = "9"
    & skf18("5","5","8","10","4","4","1") = "9"
    & skf18("5","5","8","10","4","5","1") = "9"
    & skf18("5","5","8","10","4","6","1") = "9"
    & skf18("5","5","8","10","4","7","1") = "9"
    & skf18("5","5","8","10","4","8","1") = "9"
    & skf18("5","5","8","10","4","9","1") = "9"
    & skf18("5","5","8","10","4","10","1") = "9"
    & skf18("5","5","8","10","5","1","1") = "9"
    & skf18("5","5","8","10","5","2","1") = "9"
    & skf18("5","5","8","10","5","3","1") = "9"
    & skf18("5","5","8","10","5","4","1") = "9"
    & skf18("5","5","8","10","5","5","1") = "9"
    & skf18("5","5","8","10","5","6","1") = "9"
    & skf18("5","5","8","10","5","7","1") = "9"
    & skf18("5","5","8","10","5","8","1") = "9"
    & skf18("5","5","8","10","5","9","1") = "9"
    & skf18("5","5","8","10","5","10","1") = "9"
    & skf18("5","5","8","10","6","1","1") = "9"
    & skf18("5","5","8","10","6","2","1") = "9"
    & skf18("5","5","8","10","6","3","1") = "9"
    & skf18("5","5","8","10","6","4","1") = "9"
    & skf18("5","5","8","10","6","5","1") = "9"
    & skf18("5","5","8","10","6","6","1") = "9"
    & skf18("5","5","8","10","6","7","1") = "9"
    & skf18("5","5","8","10","6","8","1") = "9"
    & skf18("5","5","8","10","6","9","1") = "9"
    & skf18("5","5","8","10","6","10","1") = "9"
    & skf18("5","5","8","10","7","1","1") = "9"
    & skf18("5","5","8","10","7","2","1") = "9"
    & skf18("5","5","8","10","7","3","1") = "9"
    & skf18("5","5","8","10","7","4","1") = "9"
    & skf18("5","5","8","10","7","5","1") = "9"
    & skf18("5","5","8","10","7","6","1") = "9"
    & skf18("5","5","8","10","7","7","1") = "9"
    & skf18("5","5","8","10","7","8","1") = "9"
    & skf18("5","5","8","10","7","9","1") = "9"
    & skf18("5","5","8","10","7","10","1") = "9"
    & skf18("5","5","8","10","8","1","1") = "9"
    & skf18("5","5","8","10","8","2","1") = "9"
    & skf18("5","5","8","10","8","3","1") = "9"
    & skf18("5","5","8","10","8","4","1") = "9"
    & skf18("5","5","8","10","8","5","1") = "9"
    & skf18("5","5","8","10","8","6","1") = "9"
    & skf18("5","5","8","10","8","7","1") = "9"
    & skf18("5","5","8","10","8","8","1") = "9"
    & skf18("5","5","8","10","8","9","1") = "9"
    & skf18("5","5","8","10","8","10","1") = "9"
    & skf18("5","5","8","10","9","1","1") = "9"
    & skf18("5","5","8","10","9","2","1") = "9"
    & skf18("5","5","8","10","9","3","1") = "9"
    & skf18("5","5","8","10","9","4","1") = "9"
    & skf18("5","5","8","10","9","5","1") = "9"
    & skf18("5","5","8","10","9","6","1") = "9"
    & skf18("5","5","8","10","9","7","1") = "9"
    & skf18("5","5","8","10","9","8","1") = "9"
    & skf18("5","5","8","10","9","9","1") = "9"
    & skf18("5","5","8","10","9","10","1") = "9"
    & skf18("5","5","8","10","10","1","1") = "9"
    & skf18("5","5","8","10","10","2","1") = "9"
    & skf18("5","5","8","10","10","3","1") = "9"
    & skf18("5","5","8","10","10","4","1") = "9"
    & skf18("5","5","8","10","10","5","1") = "9"
    & skf18("5","5","8","10","10","6","1") = "9"
    & skf18("5","5","8","10","10","7","1") = "9"
    & skf18("5","5","8","10","10","8","1") = "9"
    & skf18("5","5","8","10","10","9","1") = "9"
    & skf18("5","5","8","10","10","10","1") = "9"
    & skf18("5","5","9","1","1","1","1") = "8"
    & skf18("5","5","9","1","1","2","1") = "8"
    & skf18("5","5","9","1","1","3","1") = "8"
    & skf18("5","5","9","1","1","4","1") = "8"
    & skf18("5","5","9","1","1","5","1") = "8"
    & skf18("5","5","9","1","1","6","1") = "8"
    & skf18("5","5","9","1","1","7","1") = "8"
    & skf18("5","5","9","1","1","8","1") = "8"
    & skf18("5","5","9","1","1","9","1") = "8"
    & skf18("5","5","9","1","1","10","1") = "9"
    & skf18("5","5","9","1","2","1","1") = "8"
    & skf18("5","5","9","1","2","2","1") = "8"
    & skf18("5","5","9","1","2","3","1") = "8"
    & skf18("5","5","9","1","2","4","1") = "8"
    & skf18("5","5","9","1","2","5","1") = "8"
    & skf18("5","5","9","1","2","6","1") = "8"
    & skf18("5","5","9","1","2","7","1") = "8"
    & skf18("5","5","9","1","2","8","1") = "8"
    & skf18("5","5","9","1","2","9","1") = "8"
    & skf18("5","5","9","1","2","10","1") = "9"
    & skf18("5","5","9","1","3","1","1") = "8"
    & skf18("5","5","9","1","3","2","1") = "8"
    & skf18("5","5","9","1","3","3","1") = "8"
    & skf18("5","5","9","1","3","4","1") = "8"
    & skf18("5","5","9","1","3","5","1") = "8"
    & skf18("5","5","9","1","3","6","1") = "8"
    & skf18("5","5","9","1","3","7","1") = "8"
    & skf18("5","5","9","1","3","8","1") = "8"
    & skf18("5","5","9","1","3","9","1") = "8"
    & skf18("5","5","9","1","3","10","1") = "9"
    & skf18("5","5","9","1","4","1","1") = "8"
    & skf18("5","5","9","1","4","2","1") = "8"
    & skf18("5","5","9","1","4","3","1") = "8"
    & skf18("5","5","9","1","4","4","1") = "8"
    & skf18("5","5","9","1","4","5","1") = "8"
    & skf18("5","5","9","1","4","6","1") = "8"
    & skf18("5","5","9","1","4","7","1") = "8"
    & skf18("5","5","9","1","4","8","1") = "8"
    & skf18("5","5","9","1","4","9","1") = "8"
    & skf18("5","5","9","1","4","10","1") = "9"
    & skf18("5","5","9","1","5","1","1") = "8"
    & skf18("5","5","9","1","5","2","1") = "8"
    & skf18("5","5","9","1","5","3","1") = "8"
    & skf18("5","5","9","1","5","4","1") = "8"
    & skf18("5","5","9","1","5","5","1") = "8"
    & skf18("5","5","9","1","5","6","1") = "8"
    & skf18("5","5","9","1","5","7","1") = "8"
    & skf18("5","5","9","1","5","8","1") = "8"
    & skf18("5","5","9","1","5","9","1") = "8"
    & skf18("5","5","9","1","5","10","1") = "9"
    & skf18("5","5","9","1","6","1","1") = "8"
    & skf18("5","5","9","1","6","2","1") = "8"
    & skf18("5","5","9","1","6","3","1") = "8"
    & skf18("5","5","9","1","6","4","1") = "8"
    & skf18("5","5","9","1","6","5","1") = "8"
    & skf18("5","5","9","1","6","6","1") = "8"
    & skf18("5","5","9","1","6","7","1") = "8"
    & skf18("5","5","9","1","6","8","1") = "8"
    & skf18("5","5","9","1","6","9","1") = "8"
    & skf18("5","5","9","1","6","10","1") = "9"
    & skf18("5","5","9","1","7","1","1") = "8"
    & skf18("5","5","9","1","7","2","1") = "8"
    & skf18("5","5","9","1","7","3","1") = "8"
    & skf18("5","5","9","1","7","4","1") = "8"
    & skf18("5","5","9","1","7","5","1") = "8"
    & skf18("5","5","9","1","7","6","1") = "8"
    & skf18("5","5","9","1","7","7","1") = "8"
    & skf18("5","5","9","1","7","8","1") = "8"
    & skf18("5","5","9","1","7","9","1") = "8"
    & skf18("5","5","9","1","7","10","1") = "9"
    & skf18("5","5","9","1","8","1","1") = "8"
    & skf18("5","5","9","1","8","2","1") = "8"
    & skf18("5","5","9","1","8","3","1") = "8"
    & skf18("5","5","9","1","8","4","1") = "8"
    & skf18("5","5","9","1","8","5","1") = "8"
    & skf18("5","5","9","1","8","6","1") = "8"
    & skf18("5","5","9","1","8","7","1") = "8"
    & skf18("5","5","9","1","8","8","1") = "8"
    & skf18("5","5","9","1","8","9","1") = "8"
    & skf18("5","5","9","1","8","10","1") = "9"
    & skf18("5","5","9","1","9","1","1") = "8"
    & skf18("5","5","9","1","9","2","1") = "8"
    & skf18("5","5","9","1","9","3","1") = "8"
    & skf18("5","5","9","1","9","4","1") = "8"
    & skf18("5","5","9","1","9","5","1") = "8"
    & skf18("5","5","9","1","9","6","1") = "8"
    & skf18("5","5","9","1","9","7","1") = "8"
    & skf18("5","5","9","1","9","8","1") = "8"
    & skf18("5","5","9","1","9","9","1") = "8"
    & skf18("5","5","9","1","9","10","1") = "9"
    & skf18("5","5","9","1","10","1","1") = "9"
    & skf18("5","5","9","1","10","2","1") = "9"
    & skf18("5","5","9","1","10","3","1") = "9"
    & skf18("5","5","9","1","10","4","1") = "9"
    & skf18("5","5","9","1","10","5","1") = "9"
    & skf18("5","5","9","1","10","6","1") = "9"
    & skf18("5","5","9","1","10","7","1") = "9"
    & skf18("5","5","9","1","10","8","1") = "9"
    & skf18("5","5","9","1","10","9","1") = "9"
    & skf18("5","5","9","1","10","10","1") = "9"
    & skf18("5","5","9","2","1","1","1") = "8"
    & skf18("5","5","9","2","1","2","1") = "8"
    & skf18("5","5","9","2","1","3","1") = "8"
    & skf18("5","5","9","2","1","4","1") = "8"
    & skf18("5","5","9","2","1","5","1") = "8"
    & skf18("5","5","9","2","1","6","1") = "8"
    & skf18("5","5","9","2","1","7","1") = "8"
    & skf18("5","5","9","2","1","8","1") = "8"
    & skf18("5","5","9","2","1","9","1") = "8"
    & skf18("5","5","9","2","1","10","1") = "9"
    & skf18("5","5","9","2","2","1","1") = "8"
    & skf18("5","5","9","2","2","2","1") = "8"
    & skf18("5","5","9","2","2","3","1") = "8"
    & skf18("5","5","9","2","2","4","1") = "8"
    & skf18("5","5","9","2","2","5","1") = "8"
    & skf18("5","5","9","2","2","6","1") = "8"
    & skf18("5","5","9","2","2","7","1") = "8"
    & skf18("5","5","9","2","2","8","1") = "8"
    & skf18("5","5","9","2","2","9","1") = "8"
    & skf18("5","5","9","2","2","10","1") = "9"
    & skf18("5","5","9","2","3","1","1") = "8"
    & skf18("5","5","9","2","3","2","1") = "8"
    & skf18("5","5","9","2","3","3","1") = "8"
    & skf18("5","5","9","2","3","4","1") = "8"
    & skf18("5","5","9","2","3","5","1") = "8"
    & skf18("5","5","9","2","3","6","1") = "8"
    & skf18("5","5","9","2","3","7","1") = "8"
    & skf18("5","5","9","2","3","8","1") = "8"
    & skf18("5","5","9","2","3","9","1") = "8"
    & skf18("5","5","9","2","3","10","1") = "9"
    & skf18("5","5","9","2","4","1","1") = "8"
    & skf18("5","5","9","2","4","2","1") = "8"
    & skf18("5","5","9","2","4","3","1") = "8"
    & skf18("5","5","9","2","4","4","1") = "8"
    & skf18("5","5","9","2","4","5","1") = "8"
    & skf18("5","5","9","2","4","6","1") = "8"
    & skf18("5","5","9","2","4","7","1") = "8"
    & skf18("5","5","9","2","4","8","1") = "8"
    & skf18("5","5","9","2","4","9","1") = "8"
    & skf18("5","5","9","2","4","10","1") = "9"
    & skf18("5","5","9","2","5","1","1") = "8"
    & skf18("5","5","9","2","5","2","1") = "8"
    & skf18("5","5","9","2","5","3","1") = "8"
    & skf18("5","5","9","2","5","4","1") = "8"
    & skf18("5","5","9","2","5","5","1") = "8"
    & skf18("5","5","9","2","5","6","1") = "8"
    & skf18("5","5","9","2","5","7","1") = "8"
    & skf18("5","5","9","2","5","8","1") = "8"
    & skf18("5","5","9","2","5","9","1") = "8"
    & skf18("5","5","9","2","5","10","1") = "9"
    & skf18("5","5","9","2","6","1","1") = "8"
    & skf18("5","5","9","2","6","2","1") = "8"
    & skf18("5","5","9","2","6","3","1") = "8"
    & skf18("5","5","9","2","6","4","1") = "8"
    & skf18("5","5","9","2","6","5","1") = "8"
    & skf18("5","5","9","2","6","6","1") = "8"
    & skf18("5","5","9","2","6","7","1") = "8"
    & skf18("5","5","9","2","6","8","1") = "8"
    & skf18("5","5","9","2","6","9","1") = "8"
    & skf18("5","5","9","2","6","10","1") = "9"
    & skf18("5","5","9","2","7","1","1") = "8"
    & skf18("5","5","9","2","7","2","1") = "8"
    & skf18("5","5","9","2","7","3","1") = "8"
    & skf18("5","5","9","2","7","4","1") = "8"
    & skf18("5","5","9","2","7","5","1") = "8"
    & skf18("5","5","9","2","7","6","1") = "8"
    & skf18("5","5","9","2","7","7","1") = "8"
    & skf18("5","5","9","2","7","8","1") = "8"
    & skf18("5","5","9","2","7","9","1") = "8"
    & skf18("5","5","9","2","7","10","1") = "9"
    & skf18("5","5","9","2","8","1","1") = "8"
    & skf18("5","5","9","2","8","2","1") = "8"
    & skf18("5","5","9","2","8","3","1") = "8"
    & skf18("5","5","9","2","8","4","1") = "8"
    & skf18("5","5","9","2","8","5","1") = "8"
    & skf18("5","5","9","2","8","6","1") = "8"
    & skf18("5","5","9","2","8","7","1") = "8"
    & skf18("5","5","9","2","8","8","1") = "8"
    & skf18("5","5","9","2","8","9","1") = "8"
    & skf18("5","5","9","2","8","10","1") = "9"
    & skf18("5","5","9","2","9","1","1") = "8"
    & skf18("5","5","9","2","9","2","1") = "8"
    & skf18("5","5","9","2","9","3","1") = "8"
    & skf18("5","5","9","2","9","4","1") = "8"
    & skf18("5","5","9","2","9","5","1") = "8"
    & skf18("5","5","9","2","9","6","1") = "8"
    & skf18("5","5","9","2","9","7","1") = "8"
    & skf18("5","5","9","2","9","8","1") = "8"
    & skf18("5","5","9","2","9","9","1") = "8"
    & skf18("5","5","9","2","9","10","1") = "9"
    & skf18("5","5","9","2","10","1","1") = "9"
    & skf18("5","5","9","2","10","2","1") = "9"
    & skf18("5","5","9","2","10","3","1") = "9"
    & skf18("5","5","9","2","10","4","1") = "9"
    & skf18("5","5","9","2","10","5","1") = "9"
    & skf18("5","5","9","2","10","6","1") = "9"
    & skf18("5","5","9","2","10","7","1") = "9"
    & skf18("5","5","9","2","10","8","1") = "9"
    & skf18("5","5","9","2","10","9","1") = "9"
    & skf18("5","5","9","2","10","10","1") = "9"
    & skf18("5","5","9","3","1","1","1") = "8"
    & skf18("5","5","9","3","1","2","1") = "8"
    & skf18("5","5","9","3","1","3","1") = "8"
    & skf18("5","5","9","3","1","4","1") = "8"
    & skf18("5","5","9","3","1","5","1") = "8"
    & skf18("5","5","9","3","1","6","1") = "8"
    & skf18("5","5","9","3","1","7","1") = "8"
    & skf18("5","5","9","3","1","8","1") = "8"
    & skf18("5","5","9","3","1","9","1") = "8"
    & skf18("5","5","9","3","1","10","1") = "9"
    & skf18("5","5","9","3","2","1","1") = "8"
    & skf18("5","5","9","3","2","2","1") = "8"
    & skf18("5","5","9","3","2","3","1") = "8"
    & skf18("5","5","9","3","2","4","1") = "8"
    & skf18("5","5","9","3","2","5","1") = "8"
    & skf18("5","5","9","3","2","6","1") = "8"
    & skf18("5","5","9","3","2","7","1") = "8"
    & skf18("5","5","9","3","2","8","1") = "8"
    & skf18("5","5","9","3","2","9","1") = "8"
    & skf18("5","5","9","3","2","10","1") = "9"
    & skf18("5","5","9","3","3","1","1") = "8"
    & skf18("5","5","9","3","3","2","1") = "8"
    & skf18("5","5","9","3","3","3","1") = "8"
    & skf18("5","5","9","3","3","4","1") = "8"
    & skf18("5","5","9","3","3","5","1") = "8"
    & skf18("5","5","9","3","3","6","1") = "8"
    & skf18("5","5","9","3","3","7","1") = "8"
    & skf18("5","5","9","3","3","8","1") = "8"
    & skf18("5","5","9","3","3","9","1") = "8"
    & skf18("5","5","9","3","3","10","1") = "9"
    & skf18("5","5","9","3","4","1","1") = "8"
    & skf18("5","5","9","3","4","2","1") = "8"
    & skf18("5","5","9","3","4","3","1") = "8"
    & skf18("5","5","9","3","4","4","1") = "8"
    & skf18("5","5","9","3","4","5","1") = "8"
    & skf18("5","5","9","3","4","6","1") = "8"
    & skf18("5","5","9","3","4","7","1") = "8"
    & skf18("5","5","9","3","4","8","1") = "8"
    & skf18("5","5","9","3","4","9","1") = "8"
    & skf18("5","5","9","3","4","10","1") = "9"
    & skf18("5","5","9","3","5","1","1") = "8"
    & skf18("5","5","9","3","5","2","1") = "8"
    & skf18("5","5","9","3","5","3","1") = "8"
    & skf18("5","5","9","3","5","4","1") = "8"
    & skf18("5","5","9","3","5","5","1") = "8"
    & skf18("5","5","9","3","5","6","1") = "8"
    & skf18("5","5","9","3","5","7","1") = "8"
    & skf18("5","5","9","3","5","8","1") = "8"
    & skf18("5","5","9","3","5","9","1") = "8"
    & skf18("5","5","9","3","5","10","1") = "9"
    & skf18("5","5","9","3","6","1","1") = "8"
    & skf18("5","5","9","3","6","2","1") = "8"
    & skf18("5","5","9","3","6","3","1") = "8"
    & skf18("5","5","9","3","6","4","1") = "8"
    & skf18("5","5","9","3","6","5","1") = "8"
    & skf18("5","5","9","3","6","6","1") = "8"
    & skf18("5","5","9","3","6","7","1") = "8"
    & skf18("5","5","9","3","6","8","1") = "8"
    & skf18("5","5","9","3","6","9","1") = "8"
    & skf18("5","5","9","3","6","10","1") = "9"
    & skf18("5","5","9","3","7","1","1") = "8"
    & skf18("5","5","9","3","7","2","1") = "8"
    & skf18("5","5","9","3","7","3","1") = "8"
    & skf18("5","5","9","3","7","4","1") = "8"
    & skf18("5","5","9","3","7","5","1") = "8"
    & skf18("5","5","9","3","7","6","1") = "8"
    & skf18("5","5","9","3","7","7","1") = "8"
    & skf18("5","5","9","3","7","8","1") = "8"
    & skf18("5","5","9","3","7","9","1") = "8"
    & skf18("5","5","9","3","7","10","1") = "9"
    & skf18("5","5","9","3","8","1","1") = "8"
    & skf18("5","5","9","3","8","2","1") = "8"
    & skf18("5","5","9","3","8","3","1") = "8"
    & skf18("5","5","9","3","8","4","1") = "8"
    & skf18("5","5","9","3","8","5","1") = "8"
    & skf18("5","5","9","3","8","6","1") = "8"
    & skf18("5","5","9","3","8","7","1") = "8"
    & skf18("5","5","9","3","8","8","1") = "8"
    & skf18("5","5","9","3","8","9","1") = "8"
    & skf18("5","5","9","3","8","10","1") = "9"
    & skf18("5","5","9","3","9","1","1") = "8"
    & skf18("5","5","9","3","9","2","1") = "8"
    & skf18("5","5","9","3","9","3","1") = "8"
    & skf18("5","5","9","3","9","4","1") = "8"
    & skf18("5","5","9","3","9","5","1") = "8"
    & skf18("5","5","9","3","9","6","1") = "8"
    & skf18("5","5","9","3","9","7","1") = "8"
    & skf18("5","5","9","3","9","8","1") = "8"
    & skf18("5","5","9","3","9","9","1") = "8"
    & skf18("5","5","9","3","9","10","1") = "9"
    & skf18("5","5","9","3","10","1","1") = "9"
    & skf18("5","5","9","3","10","2","1") = "9"
    & skf18("5","5","9","3","10","3","1") = "9"
    & skf18("5","5","9","3","10","4","1") = "9"
    & skf18("5","5","9","3","10","5","1") = "9"
    & skf18("5","5","9","3","10","6","1") = "9"
    & skf18("5","5","9","3","10","7","1") = "9"
    & skf18("5","5","9","3","10","8","1") = "9"
    & skf18("5","5","9","3","10","9","1") = "9"
    & skf18("5","5","9","3","10","10","1") = "9"
    & skf18("5","5","9","4","1","1","1") = "8"
    & skf18("5","5","9","4","1","2","1") = "8"
    & skf18("5","5","9","4","1","3","1") = "8"
    & skf18("5","5","9","4","1","4","1") = "8"
    & skf18("5","5","9","4","1","5","1") = "8"
    & skf18("5","5","9","4","1","6","1") = "8"
    & skf18("5","5","9","4","1","7","1") = "8"
    & skf18("5","5","9","4","1","8","1") = "8"
    & skf18("5","5","9","4","1","9","1") = "8"
    & skf18("5","5","9","4","1","10","1") = "9"
    & skf18("5","5","9","4","2","1","1") = "8"
    & skf18("5","5","9","4","2","2","1") = "8"
    & skf18("5","5","9","4","2","3","1") = "8"
    & skf18("5","5","9","4","2","4","1") = "8"
    & skf18("5","5","9","4","2","5","1") = "8"
    & skf18("5","5","9","4","2","6","1") = "8"
    & skf18("5","5","9","4","2","7","1") = "8"
    & skf18("5","5","9","4","2","8","1") = "8"
    & skf18("5","5","9","4","2","9","1") = "8"
    & skf18("5","5","9","4","2","10","1") = "9"
    & skf18("5","5","9","4","3","1","1") = "8"
    & skf18("5","5","9","4","3","2","1") = "8"
    & skf18("5","5","9","4","3","3","1") = "8"
    & skf18("5","5","9","4","3","4","1") = "8"
    & skf18("5","5","9","4","3","5","1") = "8"
    & skf18("5","5","9","4","3","6","1") = "8"
    & skf18("5","5","9","4","3","7","1") = "8"
    & skf18("5","5","9","4","3","8","1") = "8"
    & skf18("5","5","9","4","3","9","1") = "8"
    & skf18("5","5","9","4","3","10","1") = "9"
    & skf18("5","5","9","4","4","1","1") = "8"
    & skf18("5","5","9","4","4","2","1") = "8"
    & skf18("5","5","9","4","4","3","1") = "8"
    & skf18("5","5","9","4","4","4","1") = "8"
    & skf18("5","5","9","4","4","5","1") = "8"
    & skf18("5","5","9","4","4","6","1") = "8"
    & skf18("5","5","9","4","4","7","1") = "8"
    & skf18("5","5","9","4","4","8","1") = "8"
    & skf18("5","5","9","4","4","9","1") = "8"
    & skf18("5","5","9","4","4","10","1") = "9"
    & skf18("5","5","9","4","5","1","1") = "8"
    & skf18("5","5","9","4","5","2","1") = "8"
    & skf18("5","5","9","4","5","3","1") = "8"
    & skf18("5","5","9","4","5","4","1") = "8"
    & skf18("5","5","9","4","5","5","1") = "8"
    & skf18("5","5","9","4","5","6","1") = "8"
    & skf18("5","5","9","4","5","7","1") = "8"
    & skf18("5","5","9","4","5","8","1") = "8"
    & skf18("5","5","9","4","5","9","1") = "8"
    & skf18("5","5","9","4","5","10","1") = "9"
    & skf18("5","5","9","4","6","1","1") = "8"
    & skf18("5","5","9","4","6","2","1") = "8"
    & skf18("5","5","9","4","6","3","1") = "8"
    & skf18("5","5","9","4","6","4","1") = "8"
    & skf18("5","5","9","4","6","5","1") = "8"
    & skf18("5","5","9","4","6","6","1") = "8"
    & skf18("5","5","9","4","6","7","1") = "8"
    & skf18("5","5","9","4","6","8","1") = "8"
    & skf18("5","5","9","4","6","9","1") = "8"
    & skf18("5","5","9","4","6","10","1") = "9"
    & skf18("5","5","9","4","7","1","1") = "8"
    & skf18("5","5","9","4","7","2","1") = "8"
    & skf18("5","5","9","4","7","3","1") = "8"
    & skf18("5","5","9","4","7","4","1") = "8"
    & skf18("5","5","9","4","7","5","1") = "8"
    & skf18("5","5","9","4","7","6","1") = "8"
    & skf18("5","5","9","4","7","7","1") = "8"
    & skf18("5","5","9","4","7","8","1") = "8"
    & skf18("5","5","9","4","7","9","1") = "8"
    & skf18("5","5","9","4","7","10","1") = "9"
    & skf18("5","5","9","4","8","1","1") = "8"
    & skf18("5","5","9","4","8","2","1") = "8"
    & skf18("5","5","9","4","8","3","1") = "8"
    & skf18("5","5","9","4","8","4","1") = "8"
    & skf18("5","5","9","4","8","5","1") = "8"
    & skf18("5","5","9","4","8","6","1") = "8"
    & skf18("5","5","9","4","8","7","1") = "8"
    & skf18("5","5","9","4","8","8","1") = "8"
    & skf18("5","5","9","4","8","9","1") = "8"
    & skf18("5","5","9","4","8","10","1") = "9"
    & skf18("5","5","9","4","9","1","1") = "8"
    & skf18("5","5","9","4","9","2","1") = "8"
    & skf18("5","5","9","4","9","3","1") = "8"
    & skf18("5","5","9","4","9","4","1") = "8"
    & skf18("5","5","9","4","9","5","1") = "8"
    & skf18("5","5","9","4","9","6","1") = "8"
    & skf18("5","5","9","4","9","7","1") = "8"
    & skf18("5","5","9","4","9","8","1") = "8"
    & skf18("5","5","9","4","9","9","1") = "8"
    & skf18("5","5","9","4","9","10","1") = "9"
    & skf18("5","5","9","4","10","1","1") = "9"
    & skf18("5","5","9","4","10","2","1") = "9"
    & skf18("5","5","9","4","10","3","1") = "9"
    & skf18("5","5","9","4","10","4","1") = "9"
    & skf18("5","5","9","4","10","5","1") = "9"
    & skf18("5","5","9","4","10","6","1") = "9"
    & skf18("5","5","9","4","10","7","1") = "9"
    & skf18("5","5","9","4","10","8","1") = "9"
    & skf18("5","5","9","4","10","9","1") = "9"
    & skf18("5","5","9","4","10","10","1") = "9"
    & skf18("5","5","9","5","1","1","1") = "8"
    & skf18("5","5","9","5","1","2","1") = "8"
    & skf18("5","5","9","5","1","3","1") = "8"
    & skf18("5","5","9","5","1","4","1") = "8"
    & skf18("5","5","9","5","1","5","1") = "8"
    & skf18("5","5","9","5","1","6","1") = "8"
    & skf18("5","5","9","5","1","7","1") = "8"
    & skf18("5","5","9","5","1","8","1") = "8"
    & skf18("5","5","9","5","1","9","1") = "8"
    & skf18("5","5","9","5","1","10","1") = "9"
    & skf18("5","5","9","5","2","1","1") = "8"
    & skf18("5","5","9","5","2","2","1") = "8"
    & skf18("5","5","9","5","2","3","1") = "8"
    & skf18("5","5","9","5","2","4","1") = "8"
    & skf18("5","5","9","5","2","5","1") = "8"
    & skf18("5","5","9","5","2","6","1") = "8"
    & skf18("5","5","9","5","2","7","1") = "8"
    & skf18("5","5","9","5","2","8","1") = "8"
    & skf18("5","5","9","5","2","9","1") = "8"
    & skf18("5","5","9","5","2","10","1") = "9"
    & skf18("5","5","9","5","3","1","1") = "8"
    & skf18("5","5","9","5","3","2","1") = "8"
    & skf18("5","5","9","5","3","3","1") = "8"
    & skf18("5","5","9","5","3","4","1") = "8"
    & skf18("5","5","9","5","3","5","1") = "8"
    & skf18("5","5","9","5","3","6","1") = "8"
    & skf18("5","5","9","5","3","7","1") = "8"
    & skf18("5","5","9","5","3","8","1") = "8"
    & skf18("5","5","9","5","3","9","1") = "8"
    & skf18("5","5","9","5","3","10","1") = "9"
    & skf18("5","5","9","5","4","1","1") = "8"
    & skf18("5","5","9","5","4","2","1") = "8"
    & skf18("5","5","9","5","4","3","1") = "8"
    & skf18("5","5","9","5","4","4","1") = "8"
    & skf18("5","5","9","5","4","5","1") = "8"
    & skf18("5","5","9","5","4","6","1") = "8"
    & skf18("5","5","9","5","4","7","1") = "8"
    & skf18("5","5","9","5","4","8","1") = "8"
    & skf18("5","5","9","5","4","9","1") = "8"
    & skf18("5","5","9","5","4","10","1") = "9"
    & skf18("5","5","9","5","5","1","1") = "8"
    & skf18("5","5","9","5","5","2","1") = "8"
    & skf18("5","5","9","5","5","3","1") = "8"
    & skf18("5","5","9","5","5","4","1") = "8"
    & skf18("5","5","9","5","5","5","1") = "8"
    & skf18("5","5","9","5","5","6","1") = "8"
    & skf18("5","5","9","5","5","7","1") = "8"
    & skf18("5","5","9","5","5","8","1") = "8"
    & skf18("5","5","9","5","5","9","1") = "8"
    & skf18("5","5","9","5","5","10","1") = "9"
    & skf18("5","5","9","5","6","1","1") = "8"
    & skf18("5","5","9","5","6","2","1") = "8"
    & skf18("5","5","9","5","6","3","1") = "8"
    & skf18("5","5","9","5","6","4","1") = "8"
    & skf18("5","5","9","5","6","5","1") = "8"
    & skf18("5","5","9","5","6","6","1") = "8"
    & skf18("5","5","9","5","6","7","1") = "8"
    & skf18("5","5","9","5","6","8","1") = "8"
    & skf18("5","5","9","5","6","9","1") = "8"
    & skf18("5","5","9","5","6","10","1") = "9"
    & skf18("5","5","9","5","7","1","1") = "8"
    & skf18("5","5","9","5","7","2","1") = "8"
    & skf18("5","5","9","5","7","3","1") = "8"
    & skf18("5","5","9","5","7","4","1") = "8"
    & skf18("5","5","9","5","7","5","1") = "8"
    & skf18("5","5","9","5","7","6","1") = "8"
    & skf18("5","5","9","5","7","7","1") = "8"
    & skf18("5","5","9","5","7","8","1") = "8"
    & skf18("5","5","9","5","7","9","1") = "8"
    & skf18("5","5","9","5","7","10","1") = "9"
    & skf18("5","5","9","5","8","1","1") = "8"
    & skf18("5","5","9","5","8","2","1") = "8"
    & skf18("5","5","9","5","8","3","1") = "8"
    & skf18("5","5","9","5","8","4","1") = "8"
    & skf18("5","5","9","5","8","5","1") = "8"
    & skf18("5","5","9","5","8","6","1") = "8"
    & skf18("5","5","9","5","8","7","1") = "8"
    & skf18("5","5","9","5","8","8","1") = "8"
    & skf18("5","5","9","5","8","9","1") = "8"
    & skf18("5","5","9","5","8","10","1") = "9"
    & skf18("5","5","9","5","9","1","1") = "8"
    & skf18("5","5","9","5","9","2","1") = "8"
    & skf18("5","5","9","5","9","3","1") = "8"
    & skf18("5","5","9","5","9","4","1") = "8"
    & skf18("5","5","9","5","9","5","1") = "8"
    & skf18("5","5","9","5","9","6","1") = "8"
    & skf18("5","5","9","5","9","7","1") = "8"
    & skf18("5","5","9","5","9","8","1") = "8"
    & skf18("5","5","9","5","9","9","1") = "8"
    & skf18("5","5","9","5","9","10","1") = "9"
    & skf18("5","5","9","5","10","1","1") = "9"
    & skf18("5","5","9","5","10","2","1") = "9"
    & skf18("5","5","9","5","10","3","1") = "9"
    & skf18("5","5","9","5","10","4","1") = "9"
    & skf18("5","5","9","5","10","5","1") = "9"
    & skf18("5","5","9","5","10","6","1") = "9"
    & skf18("5","5","9","5","10","7","1") = "9"
    & skf18("5","5","9","5","10","8","1") = "9"
    & skf18("5","5","9","5","10","9","1") = "9"
    & skf18("5","5","9","5","10","10","1") = "9"
    & skf18("5","5","9","6","1","1","1") = "8"
    & skf18("5","5","9","6","1","2","1") = "8"
    & skf18("5","5","9","6","1","3","1") = "8"
    & skf18("5","5","9","6","1","4","1") = "8"
    & skf18("5","5","9","6","1","5","1") = "8"
    & skf18("5","5","9","6","1","6","1") = "8"
    & skf18("5","5","9","6","1","7","1") = "8"
    & skf18("5","5","9","6","1","8","1") = "8"
    & skf18("5","5","9","6","1","9","1") = "8"
    & skf18("5","5","9","6","1","10","1") = "9"
    & skf18("5","5","9","6","2","1","1") = "8"
    & skf18("5","5","9","6","2","2","1") = "8"
    & skf18("5","5","9","6","2","3","1") = "8"
    & skf18("5","5","9","6","2","4","1") = "8"
    & skf18("5","5","9","6","2","5","1") = "8"
    & skf18("5","5","9","6","2","6","1") = "8"
    & skf18("5","5","9","6","2","7","1") = "8"
    & skf18("5","5","9","6","2","8","1") = "8"
    & skf18("5","5","9","6","2","9","1") = "8"
    & skf18("5","5","9","6","2","10","1") = "9"
    & skf18("5","5","9","6","3","1","1") = "8"
    & skf18("5","5","9","6","3","2","1") = "8"
    & skf18("5","5","9","6","3","3","1") = "8"
    & skf18("5","5","9","6","3","4","1") = "8"
    & skf18("5","5","9","6","3","5","1") = "8"
    & skf18("5","5","9","6","3","6","1") = "8"
    & skf18("5","5","9","6","3","7","1") = "8"
    & skf18("5","5","9","6","3","8","1") = "8"
    & skf18("5","5","9","6","3","9","1") = "8"
    & skf18("5","5","9","6","3","10","1") = "9"
    & skf18("5","5","9","6","4","1","1") = "8"
    & skf18("5","5","9","6","4","2","1") = "8"
    & skf18("5","5","9","6","4","3","1") = "8"
    & skf18("5","5","9","6","4","4","1") = "8"
    & skf18("5","5","9","6","4","5","1") = "8"
    & skf18("5","5","9","6","4","6","1") = "8"
    & skf18("5","5","9","6","4","7","1") = "8"
    & skf18("5","5","9","6","4","8","1") = "8"
    & skf18("5","5","9","6","4","9","1") = "8"
    & skf18("5","5","9","6","4","10","1") = "9"
    & skf18("5","5","9","6","5","1","1") = "8"
    & skf18("5","5","9","6","5","2","1") = "8"
    & skf18("5","5","9","6","5","3","1") = "8"
    & skf18("5","5","9","6","5","4","1") = "8"
    & skf18("5","5","9","6","5","5","1") = "8"
    & skf18("5","5","9","6","5","6","1") = "8"
    & skf18("5","5","9","6","5","7","1") = "8"
    & skf18("5","5","9","6","5","8","1") = "8"
    & skf18("5","5","9","6","5","9","1") = "8"
    & skf18("5","5","9","6","5","10","1") = "9"
    & skf18("5","5","9","6","6","1","1") = "8"
    & skf18("5","5","9","6","6","2","1") = "8"
    & skf18("5","5","9","6","6","3","1") = "8"
    & skf18("5","5","9","6","6","4","1") = "8"
    & skf18("5","5","9","6","6","5","1") = "8"
    & skf18("5","5","9","6","6","6","1") = "8"
    & skf18("5","5","9","6","6","7","1") = "8"
    & skf18("5","5","9","6","6","8","1") = "8"
    & skf18("5","5","9","6","6","9","1") = "8"
    & skf18("5","5","9","6","6","10","1") = "9"
    & skf18("5","5","9","6","7","1","1") = "8"
    & skf18("5","5","9","6","7","2","1") = "8"
    & skf18("5","5","9","6","7","3","1") = "8"
    & skf18("5","5","9","6","7","4","1") = "8"
    & skf18("5","5","9","6","7","5","1") = "8"
    & skf18("5","5","9","6","7","6","1") = "8"
    & skf18("5","5","9","6","7","7","1") = "8"
    & skf18("5","5","9","6","7","8","1") = "8"
    & skf18("5","5","9","6","7","9","1") = "8"
    & skf18("5","5","9","6","7","10","1") = "9"
    & skf18("5","5","9","6","8","1","1") = "8"
    & skf18("5","5","9","6","8","2","1") = "8"
    & skf18("5","5","9","6","8","3","1") = "8"
    & skf18("5","5","9","6","8","4","1") = "8"
    & skf18("5","5","9","6","8","5","1") = "8"
    & skf18("5","5","9","6","8","6","1") = "8"
    & skf18("5","5","9","6","8","7","1") = "8"
    & skf18("5","5","9","6","8","8","1") = "8"
    & skf18("5","5","9","6","8","9","1") = "8"
    & skf18("5","5","9","6","8","10","1") = "9"
    & skf18("5","5","9","6","9","1","1") = "8"
    & skf18("5","5","9","6","9","2","1") = "8"
    & skf18("5","5","9","6","9","3","1") = "8"
    & skf18("5","5","9","6","9","4","1") = "8"
    & skf18("5","5","9","6","9","5","1") = "8"
    & skf18("5","5","9","6","9","6","1") = "8"
    & skf18("5","5","9","6","9","7","1") = "8"
    & skf18("5","5","9","6","9","8","1") = "8"
    & skf18("5","5","9","6","9","9","1") = "8"
    & skf18("5","5","9","6","9","10","1") = "9"
    & skf18("5","5","9","6","10","1","1") = "9"
    & skf18("5","5","9","6","10","2","1") = "9"
    & skf18("5","5","9","6","10","3","1") = "9"
    & skf18("5","5","9","6","10","4","1") = "9"
    & skf18("5","5","9","6","10","5","1") = "9"
    & skf18("5","5","9","6","10","6","1") = "9"
    & skf18("5","5","9","6","10","7","1") = "9"
    & skf18("5","5","9","6","10","8","1") = "9"
    & skf18("5","5","9","6","10","9","1") = "9"
    & skf18("5","5","9","6","10","10","1") = "9"
    & skf18("5","5","9","7","1","1","1") = "8"
    & skf18("5","5","9","7","1","2","1") = "8"
    & skf18("5","5","9","7","1","3","1") = "8"
    & skf18("5","5","9","7","1","4","1") = "8"
    & skf18("5","5","9","7","1","5","1") = "8"
    & skf18("5","5","9","7","1","6","1") = "8"
    & skf18("5","5","9","7","1","7","1") = "8"
    & skf18("5","5","9","7","1","8","1") = "8"
    & skf18("5","5","9","7","1","9","1") = "8"
    & skf18("5","5","9","7","1","10","1") = "9"
    & skf18("5","5","9","7","2","1","1") = "8"
    & skf18("5","5","9","7","2","2","1") = "8"
    & skf18("5","5","9","7","2","3","1") = "8"
    & skf18("5","5","9","7","2","4","1") = "8"
    & skf18("5","5","9","7","2","5","1") = "8"
    & skf18("5","5","9","7","2","6","1") = "8"
    & skf18("5","5","9","7","2","7","1") = "8"
    & skf18("5","5","9","7","2","8","1") = "8"
    & skf18("5","5","9","7","2","9","1") = "8"
    & skf18("5","5","9","7","2","10","1") = "9"
    & skf18("5","5","9","7","3","1","1") = "8"
    & skf18("5","5","9","7","3","2","1") = "8"
    & skf18("5","5","9","7","3","3","1") = "8"
    & skf18("5","5","9","7","3","4","1") = "8"
    & skf18("5","5","9","7","3","5","1") = "8"
    & skf18("5","5","9","7","3","6","1") = "8"
    & skf18("5","5","9","7","3","7","1") = "8"
    & skf18("5","5","9","7","3","8","1") = "8"
    & skf18("5","5","9","7","3","9","1") = "8"
    & skf18("5","5","9","7","3","10","1") = "9"
    & skf18("5","5","9","7","4","1","1") = "8"
    & skf18("5","5","9","7","4","2","1") = "8"
    & skf18("5","5","9","7","4","3","1") = "8"
    & skf18("5","5","9","7","4","4","1") = "8"
    & skf18("5","5","9","7","4","5","1") = "8"
    & skf18("5","5","9","7","4","6","1") = "8"
    & skf18("5","5","9","7","4","7","1") = "8"
    & skf18("5","5","9","7","4","8","1") = "8"
    & skf18("5","5","9","7","4","9","1") = "8"
    & skf18("5","5","9","7","4","10","1") = "9"
    & skf18("5","5","9","7","5","1","1") = "8"
    & skf18("5","5","9","7","5","2","1") = "8"
    & skf18("5","5","9","7","5","3","1") = "8"
    & skf18("5","5","9","7","5","4","1") = "8"
    & skf18("5","5","9","7","5","5","1") = "8"
    & skf18("5","5","9","7","5","6","1") = "8"
    & skf18("5","5","9","7","5","7","1") = "8"
    & skf18("5","5","9","7","5","8","1") = "8"
    & skf18("5","5","9","7","5","9","1") = "8"
    & skf18("5","5","9","7","5","10","1") = "9"
    & skf18("5","5","9","7","6","1","1") = "8"
    & skf18("5","5","9","7","6","2","1") = "8"
    & skf18("5","5","9","7","6","3","1") = "8"
    & skf18("5","5","9","7","6","4","1") = "8"
    & skf18("5","5","9","7","6","5","1") = "8"
    & skf18("5","5","9","7","6","6","1") = "8"
    & skf18("5","5","9","7","6","7","1") = "8"
    & skf18("5","5","9","7","6","8","1") = "8"
    & skf18("5","5","9","7","6","9","1") = "8"
    & skf18("5","5","9","7","6","10","1") = "9"
    & skf18("5","5","9","7","7","1","1") = "8"
    & skf18("5","5","9","7","7","2","1") = "8"
    & skf18("5","5","9","7","7","3","1") = "8"
    & skf18("5","5","9","7","7","4","1") = "8"
    & skf18("5","5","9","7","7","5","1") = "8"
    & skf18("5","5","9","7","7","6","1") = "8"
    & skf18("5","5","9","7","7","7","1") = "8"
    & skf18("5","5","9","7","7","8","1") = "8"
    & skf18("5","5","9","7","7","9","1") = "8"
    & skf18("5","5","9","7","7","10","1") = "9"
    & skf18("5","5","9","7","8","1","1") = "8"
    & skf18("5","5","9","7","8","2","1") = "8"
    & skf18("5","5","9","7","8","3","1") = "8"
    & skf18("5","5","9","7","8","4","1") = "8"
    & skf18("5","5","9","7","8","5","1") = "8"
    & skf18("5","5","9","7","8","6","1") = "8"
    & skf18("5","5","9","7","8","7","1") = "8"
    & skf18("5","5","9","7","8","8","1") = "8"
    & skf18("5","5","9","7","8","9","1") = "8"
    & skf18("5","5","9","7","8","10","1") = "9"
    & skf18("5","5","9","7","9","1","1") = "8"
    & skf18("5","5","9","7","9","2","1") = "8"
    & skf18("5","5","9","7","9","3","1") = "8"
    & skf18("5","5","9","7","9","4","1") = "8"
    & skf18("5","5","9","7","9","5","1") = "8"
    & skf18("5","5","9","7","9","6","1") = "8"
    & skf18("5","5","9","7","9","7","1") = "8"
    & skf18("5","5","9","7","9","8","1") = "8"
    & skf18("5","5","9","7","9","9","1") = "8"
    & skf18("5","5","9","7","9","10","1") = "9"
    & skf18("5","5","9","7","10","1","1") = "9"
    & skf18("5","5","9","7","10","2","1") = "9"
    & skf18("5","5","9","7","10","3","1") = "9"
    & skf18("5","5","9","7","10","4","1") = "9"
    & skf18("5","5","9","7","10","5","1") = "9"
    & skf18("5","5","9","7","10","6","1") = "9"
    & skf18("5","5","9","7","10","7","1") = "9"
    & skf18("5","5","9","7","10","8","1") = "9"
    & skf18("5","5","9","7","10","9","1") = "9"
    & skf18("5","5","9","7","10","10","1") = "9"
    & skf18("5","5","9","8","1","1","1") = "8"
    & skf18("5","5","9","8","1","2","1") = "8"
    & skf18("5","5","9","8","1","3","1") = "8"
    & skf18("5","5","9","8","1","4","1") = "8"
    & skf18("5","5","9","8","1","5","1") = "8"
    & skf18("5","5","9","8","1","6","1") = "8"
    & skf18("5","5","9","8","1","7","1") = "8"
    & skf18("5","5","9","8","1","8","1") = "8"
    & skf18("5","5","9","8","1","9","1") = "8"
    & skf18("5","5","9","8","1","10","1") = "9"
    & skf18("5","5","9","8","2","1","1") = "8"
    & skf18("5","5","9","8","2","2","1") = "8"
    & skf18("5","5","9","8","2","3","1") = "8"
    & skf18("5","5","9","8","2","4","1") = "8"
    & skf18("5","5","9","8","2","5","1") = "8"
    & skf18("5","5","9","8","2","6","1") = "8"
    & skf18("5","5","9","8","2","7","1") = "8"
    & skf18("5","5","9","8","2","8","1") = "8"
    & skf18("5","5","9","8","2","9","1") = "8"
    & skf18("5","5","9","8","2","10","1") = "9"
    & skf18("5","5","9","8","3","1","1") = "8"
    & skf18("5","5","9","8","3","2","1") = "8"
    & skf18("5","5","9","8","3","3","1") = "8"
    & skf18("5","5","9","8","3","4","1") = "8"
    & skf18("5","5","9","8","3","5","1") = "8"
    & skf18("5","5","9","8","3","6","1") = "8"
    & skf18("5","5","9","8","3","7","1") = "8"
    & skf18("5","5","9","8","3","8","1") = "8"
    & skf18("5","5","9","8","3","9","1") = "8"
    & skf18("5","5","9","8","3","10","1") = "9"
    & skf18("5","5","9","8","4","1","1") = "8"
    & skf18("5","5","9","8","4","2","1") = "8"
    & skf18("5","5","9","8","4","3","1") = "8"
    & skf18("5","5","9","8","4","4","1") = "8"
    & skf18("5","5","9","8","4","5","1") = "8"
    & skf18("5","5","9","8","4","6","1") = "8"
    & skf18("5","5","9","8","4","7","1") = "8"
    & skf18("5","5","9","8","4","8","1") = "8"
    & skf18("5","5","9","8","4","9","1") = "8"
    & skf18("5","5","9","8","4","10","1") = "9"
    & skf18("5","5","9","8","5","1","1") = "8"
    & skf18("5","5","9","8","5","2","1") = "8"
    & skf18("5","5","9","8","5","3","1") = "8"
    & skf18("5","5","9","8","5","4","1") = "8"
    & skf18("5","5","9","8","5","5","1") = "8"
    & skf18("5","5","9","8","5","6","1") = "8"
    & skf18("5","5","9","8","5","7","1") = "8"
    & skf18("5","5","9","8","5","8","1") = "8"
    & skf18("5","5","9","8","5","9","1") = "8"
    & skf18("5","5","9","8","5","10","1") = "9"
    & skf18("5","5","9","8","6","1","1") = "8"
    & skf18("5","5","9","8","6","2","1") = "8"
    & skf18("5","5","9","8","6","3","1") = "8"
    & skf18("5","5","9","8","6","4","1") = "8"
    & skf18("5","5","9","8","6","5","1") = "8"
    & skf18("5","5","9","8","6","6","1") = "8"
    & skf18("5","5","9","8","6","7","1") = "8"
    & skf18("5","5","9","8","6","8","1") = "8"
    & skf18("5","5","9","8","6","9","1") = "8"
    & skf18("5","5","9","8","6","10","1") = "9"
    & skf18("5","5","9","8","7","1","1") = "8"
    & skf18("5","5","9","8","7","2","1") = "8"
    & skf18("5","5","9","8","7","3","1") = "8"
    & skf18("5","5","9","8","7","4","1") = "8"
    & skf18("5","5","9","8","7","5","1") = "8"
    & skf18("5","5","9","8","7","6","1") = "8"
    & skf18("5","5","9","8","7","7","1") = "8"
    & skf18("5","5","9","8","7","8","1") = "8"
    & skf18("5","5","9","8","7","9","1") = "8"
    & skf18("5","5","9","8","7","10","1") = "9"
    & skf18("5","5","9","8","8","1","1") = "8"
    & skf18("5","5","9","8","8","2","1") = "8"
    & skf18("5","5","9","8","8","3","1") = "8"
    & skf18("5","5","9","8","8","4","1") = "8"
    & skf18("5","5","9","8","8","5","1") = "8"
    & skf18("5","5","9","8","8","6","1") = "8"
    & skf18("5","5","9","8","8","7","1") = "8"
    & skf18("5","5","9","8","8","8","1") = "8"
    & skf18("5","5","9","8","8","9","1") = "8"
    & skf18("5","5","9","8","8","10","1") = "9"
    & skf18("5","5","9","8","9","1","1") = "8"
    & skf18("5","5","9","8","9","2","1") = "8"
    & skf18("5","5","9","8","9","3","1") = "8"
    & skf18("5","5","9","8","9","4","1") = "8"
    & skf18("5","5","9","8","9","5","1") = "8"
    & skf18("5","5","9","8","9","6","1") = "8"
    & skf18("5","5","9","8","9","7","1") = "8"
    & skf18("5","5","9","8","9","8","1") = "8"
    & skf18("5","5","9","8","9","9","1") = "8"
    & skf18("5","5","9","8","9","10","1") = "9"
    & skf18("5","5","9","8","10","1","1") = "9"
    & skf18("5","5","9","8","10","2","1") = "9"
    & skf18("5","5","9","8","10","3","1") = "9"
    & skf18("5","5","9","8","10","4","1") = "9"
    & skf18("5","5","9","8","10","5","1") = "9"
    & skf18("5","5","9","8","10","6","1") = "9"
    & skf18("5","5","9","8","10","7","1") = "9"
    & skf18("5","5","9","8","10","8","1") = "9"
    & skf18("5","5","9","8","10","9","1") = "9"
    & skf18("5","5","9","8","10","10","1") = "9"
    & skf18("5","5","9","9","1","1","1") = "8"
    & skf18("5","5","9","9","1","2","1") = "8"
    & skf18("5","5","9","9","1","3","1") = "8"
    & skf18("5","5","9","9","1","4","1") = "8"
    & skf18("5","5","9","9","1","5","1") = "8"
    & skf18("5","5","9","9","1","6","1") = "8"
    & skf18("5","5","9","9","1","7","1") = "8"
    & skf18("5","5","9","9","1","8","1") = "8"
    & skf18("5","5","9","9","1","9","1") = "8"
    & skf18("5","5","9","9","1","10","1") = "9"
    & skf18("5","5","9","9","2","1","1") = "8"
    & skf18("5","5","9","9","2","2","1") = "8"
    & skf18("5","5","9","9","2","3","1") = "8"
    & skf18("5","5","9","9","2","4","1") = "8"
    & skf18("5","5","9","9","2","5","1") = "8"
    & skf18("5","5","9","9","2","6","1") = "8"
    & skf18("5","5","9","9","2","7","1") = "8"
    & skf18("5","5","9","9","2","8","1") = "8"
    & skf18("5","5","9","9","2","9","1") = "8"
    & skf18("5","5","9","9","2","10","1") = "9"
    & skf18("5","5","9","9","3","1","1") = "8"
    & skf18("5","5","9","9","3","2","1") = "8"
    & skf18("5","5","9","9","3","3","1") = "8"
    & skf18("5","5","9","9","3","4","1") = "8"
    & skf18("5","5","9","9","3","5","1") = "8"
    & skf18("5","5","9","9","3","6","1") = "8"
    & skf18("5","5","9","9","3","7","1") = "8"
    & skf18("5","5","9","9","3","8","1") = "8"
    & skf18("5","5","9","9","3","9","1") = "8"
    & skf18("5","5","9","9","3","10","1") = "9"
    & skf18("5","5","9","9","4","1","1") = "8"
    & skf18("5","5","9","9","4","2","1") = "8"
    & skf18("5","5","9","9","4","3","1") = "8"
    & skf18("5","5","9","9","4","4","1") = "8"
    & skf18("5","5","9","9","4","5","1") = "8"
    & skf18("5","5","9","9","4","6","1") = "8"
    & skf18("5","5","9","9","4","7","1") = "8"
    & skf18("5","5","9","9","4","8","1") = "8"
    & skf18("5","5","9","9","4","9","1") = "8"
    & skf18("5","5","9","9","4","10","1") = "9"
    & skf18("5","5","9","9","5","1","1") = "8"
    & skf18("5","5","9","9","5","2","1") = "8"
    & skf18("5","5","9","9","5","3","1") = "8"
    & skf18("5","5","9","9","5","4","1") = "8"
    & skf18("5","5","9","9","5","5","1") = "8"
    & skf18("5","5","9","9","5","6","1") = "8"
    & skf18("5","5","9","9","5","7","1") = "8"
    & skf18("5","5","9","9","5","8","1") = "8"
    & skf18("5","5","9","9","5","9","1") = "8"
    & skf18("5","5","9","9","5","10","1") = "9"
    & skf18("5","5","9","9","6","1","1") = "8"
    & skf18("5","5","9","9","6","2","1") = "8"
    & skf18("5","5","9","9","6","3","1") = "8"
    & skf18("5","5","9","9","6","4","1") = "8"
    & skf18("5","5","9","9","6","5","1") = "8"
    & skf18("5","5","9","9","6","6","1") = "8"
    & skf18("5","5","9","9","6","7","1") = "8"
    & skf18("5","5","9","9","6","8","1") = "8"
    & skf18("5","5","9","9","6","9","1") = "8"
    & skf18("5","5","9","9","6","10","1") = "9"
    & skf18("5","5","9","9","7","1","1") = "8"
    & skf18("5","5","9","9","7","2","1") = "8"
    & skf18("5","5","9","9","7","3","1") = "8"
    & skf18("5","5","9","9","7","4","1") = "8"
    & skf18("5","5","9","9","7","5","1") = "8"
    & skf18("5","5","9","9","7","6","1") = "8"
    & skf18("5","5","9","9","7","7","1") = "8"
    & skf18("5","5","9","9","7","8","1") = "8"
    & skf18("5","5","9","9","7","9","1") = "8"
    & skf18("5","5","9","9","7","10","1") = "9"
    & skf18("5","5","9","9","8","1","1") = "8"
    & skf18("5","5","9","9","8","2","1") = "8"
    & skf18("5","5","9","9","8","3","1") = "8"
    & skf18("5","5","9","9","8","4","1") = "8"
    & skf18("5","5","9","9","8","5","1") = "8"
    & skf18("5","5","9","9","8","6","1") = "8"
    & skf18("5","5","9","9","8","7","1") = "8"
    & skf18("5","5","9","9","8","8","1") = "8"
    & skf18("5","5","9","9","8","9","1") = "8"
    & skf18("5","5","9","9","8","10","1") = "9"
    & skf18("5","5","9","9","9","1","1") = "8"
    & skf18("5","5","9","9","9","2","1") = "8"
    & skf18("5","5","9","9","9","3","1") = "8"
    & skf18("5","5","9","9","9","4","1") = "8"
    & skf18("5","5","9","9","9","5","1") = "8"
    & skf18("5","5","9","9","9","6","1") = "8"
    & skf18("5","5","9","9","9","7","1") = "8"
    & skf18("5","5","9","9","9","8","1") = "8"
    & skf18("5","5","9","9","9","9","1") = "8"
    & skf18("5","5","9","9","9","10","1") = "9"
    & skf18("5","5","9","9","10","1","1") = "9"
    & skf18("5","5","9","9","10","2","1") = "9"
    & skf18("5","5","9","9","10","3","1") = "9"
    & skf18("5","5","9","9","10","4","1") = "9"
    & skf18("5","5","9","9","10","5","1") = "9"
    & skf18("5","5","9","9","10","6","1") = "9"
    & skf18("5","5","9","9","10","7","1") = "9"
    & skf18("5","5","9","9","10","8","1") = "9"
    & skf18("5","5","9","9","10","9","1") = "9"
    & skf18("5","5","9","9","10","10","1") = "9"
    & skf18("5","5","9","10","1","1","1") = "9"
    & skf18("5","5","9","10","1","2","1") = "9"
    & skf18("5","5","9","10","1","3","1") = "9"
    & skf18("5","5","9","10","1","4","1") = "9"
    & skf18("5","5","9","10","1","5","1") = "9"
    & skf18("5","5","9","10","1","6","1") = "9"
    & skf18("5","5","9","10","1","7","1") = "9"
    & skf18("5","5","9","10","1","8","1") = "9"
    & skf18("5","5","9","10","1","9","1") = "9"
    & skf18("5","5","9","10","1","10","1") = "9"
    & skf18("5","5","9","10","2","1","1") = "9"
    & skf18("5","5","9","10","2","2","1") = "9"
    & skf18("5","5","9","10","2","3","1") = "9"
    & skf18("5","5","9","10","2","4","1") = "9"
    & skf18("5","5","9","10","2","5","1") = "9"
    & skf18("5","5","9","10","2","6","1") = "9"
    & skf18("5","5","9","10","2","7","1") = "9"
    & skf18("5","5","9","10","2","8","1") = "9"
    & skf18("5","5","9","10","2","9","1") = "9"
    & skf18("5","5","9","10","2","10","1") = "9"
    & skf18("5","5","9","10","3","1","1") = "9"
    & skf18("5","5","9","10","3","2","1") = "9"
    & skf18("5","5","9","10","3","3","1") = "9"
    & skf18("5","5","9","10","3","4","1") = "9"
    & skf18("5","5","9","10","3","5","1") = "9"
    & skf18("5","5","9","10","3","6","1") = "9"
    & skf18("5","5","9","10","3","7","1") = "9"
    & skf18("5","5","9","10","3","8","1") = "9"
    & skf18("5","5","9","10","3","9","1") = "9"
    & skf18("5","5","9","10","3","10","1") = "9"
    & skf18("5","5","9","10","4","1","1") = "9"
    & skf18("5","5","9","10","4","2","1") = "9"
    & skf18("5","5","9","10","4","3","1") = "9"
    & skf18("5","5","9","10","4","4","1") = "9"
    & skf18("5","5","9","10","4","5","1") = "9"
    & skf18("5","5","9","10","4","6","1") = "9"
    & skf18("5","5","9","10","4","7","1") = "9"
    & skf18("5","5","9","10","4","8","1") = "9"
    & skf18("5","5","9","10","4","9","1") = "9"
    & skf18("5","5","9","10","4","10","1") = "9"
    & skf18("5","5","9","10","5","1","1") = "9"
    & skf18("5","5","9","10","5","2","1") = "9"
    & skf18("5","5","9","10","5","3","1") = "9"
    & skf18("5","5","9","10","5","4","1") = "9"
    & skf18("5","5","9","10","5","5","1") = "9"
    & skf18("5","5","9","10","5","6","1") = "9"
    & skf18("5","5","9","10","5","7","1") = "9"
    & skf18("5","5","9","10","5","8","1") = "9"
    & skf18("5","5","9","10","5","9","1") = "9"
    & skf18("5","5","9","10","5","10","1") = "9"
    & skf18("5","5","9","10","6","1","1") = "9"
    & skf18("5","5","9","10","6","2","1") = "9"
    & skf18("5","5","9","10","6","3","1") = "9"
    & skf18("5","5","9","10","6","4","1") = "9"
    & skf18("5","5","9","10","6","5","1") = "9"
    & skf18("5","5","9","10","6","6","1") = "9"
    & skf18("5","5","9","10","6","7","1") = "9"
    & skf18("5","5","9","10","6","8","1") = "9"
    & skf18("5","5","9","10","6","9","1") = "9"
    & skf18("5","5","9","10","6","10","1") = "9"
    & skf18("5","5","9","10","7","1","1") = "9"
    & skf18("5","5","9","10","7","2","1") = "9"
    & skf18("5","5","9","10","7","3","1") = "9"
    & skf18("5","5","9","10","7","4","1") = "9"
    & skf18("5","5","9","10","7","5","1") = "9"
    & skf18("5","5","9","10","7","6","1") = "9"
    & skf18("5","5","9","10","7","7","1") = "9"
    & skf18("5","5","9","10","7","8","1") = "9"
    & skf18("5","5","9","10","7","9","1") = "9"
    & skf18("5","5","9","10","7","10","1") = "9"
    & skf18("5","5","9","10","8","1","1") = "9"
    & skf18("5","5","9","10","8","2","1") = "9"
    & skf18("5","5","9","10","8","3","1") = "9"
    & skf18("5","5","9","10","8","4","1") = "9"
    & skf18("5","5","9","10","8","5","1") = "9"
    & skf18("5","5","9","10","8","6","1") = "9"
    & skf18("5","5","9","10","8","7","1") = "9"
    & skf18("5","5","9","10","8","8","1") = "9"
    & skf18("5","5","9","10","8","9","1") = "9"
    & skf18("5","5","9","10","8","10","1") = "9"
    & skf18("5","5","9","10","9","1","1") = "9"
    & skf18("5","5","9","10","9","2","1") = "9"
    & skf18("5","5","9","10","9","3","1") = "9"
    & skf18("5","5","9","10","9","4","1") = "9"
    & skf18("5","5","9","10","9","5","1") = "9"
    & skf18("5","5","9","10","9","6","1") = "9"
    & skf18("5","5","9","10","9","7","1") = "9"
    & skf18("5","5","9","10","9","8","1") = "9"
    & skf18("5","5","9","10","9","9","1") = "9"
    & skf18("5","5","9","10","9","10","1") = "9"
    & skf18("5","5","9","10","10","1","1") = "9"
    & skf18("5","5","9","10","10","2","1") = "9"
    & skf18("5","5","9","10","10","3","1") = "9"
    & skf18("5","5","9","10","10","4","1") = "9"
    & skf18("5","5","9","10","10","5","1") = "9"
    & skf18("5","5","9","10","10","6","1") = "9"
    & skf18("5","5","9","10","10","7","1") = "9"
    & skf18("5","5","9","10","10","8","1") = "9"
    & skf18("5","5","9","10","10","9","1") = "9"
    & skf18("5","5","9","10","10","10","1") = "9"
    & skf18("5","5","10","1","1","1","1") = "9"
    & skf18("5","5","10","1","1","2","1") = "9"
    & skf18("5","5","10","1","1","3","1") = "9"
    & skf18("5","5","10","1","1","4","1") = "9"
    & skf18("5","5","10","1","1","5","1") = "9"
    & skf18("5","5","10","1","1","6","1") = "9"
    & skf18("5","5","10","1","1","7","1") = "9"
    & skf18("5","5","10","1","1","8","1") = "9"
    & skf18("5","5","10","1","1","9","1") = "9"
    & skf18("5","5","10","1","1","10","1") = "9"
    & skf18("5","5","10","1","2","1","1") = "9"
    & skf18("5","5","10","1","2","2","1") = "9"
    & skf18("5","5","10","1","2","3","1") = "9"
    & skf18("5","5","10","1","2","4","1") = "9"
    & skf18("5","5","10","1","2","5","1") = "9"
    & skf18("5","5","10","1","2","6","1") = "9"
    & skf18("5","5","10","1","2","7","1") = "9"
    & skf18("5","5","10","1","2","8","1") = "9"
    & skf18("5","5","10","1","2","9","1") = "9"
    & skf18("5","5","10","1","2","10","1") = "9"
    & skf18("5","5","10","1","3","1","1") = "9"
    & skf18("5","5","10","1","3","2","1") = "9"
    & skf18("5","5","10","1","3","3","1") = "9"
    & skf18("5","5","10","1","3","4","1") = "9"
    & skf18("5","5","10","1","3","5","1") = "9"
    & skf18("5","5","10","1","3","6","1") = "9"
    & skf18("5","5","10","1","3","7","1") = "9"
    & skf18("5","5","10","1","3","8","1") = "9"
    & skf18("5","5","10","1","3","9","1") = "9"
    & skf18("5","5","10","1","3","10","1") = "9"
    & skf18("5","5","10","1","4","1","1") = "9"
    & skf18("5","5","10","1","4","2","1") = "9"
    & skf18("5","5","10","1","4","3","1") = "9"
    & skf18("5","5","10","1","4","4","1") = "9"
    & skf18("5","5","10","1","4","5","1") = "9"
    & skf18("5","5","10","1","4","6","1") = "9"
    & skf18("5","5","10","1","4","7","1") = "9"
    & skf18("5","5","10","1","4","8","1") = "9"
    & skf18("5","5","10","1","4","9","1") = "9"
    & skf18("5","5","10","1","4","10","1") = "9"
    & skf18("5","5","10","1","5","1","1") = "9"
    & skf18("5","5","10","1","5","2","1") = "9"
    & skf18("5","5","10","1","5","3","1") = "9"
    & skf18("5","5","10","1","5","4","1") = "9"
    & skf18("5","5","10","1","5","5","1") = "9"
    & skf18("5","5","10","1","5","6","1") = "9"
    & skf18("5","5","10","1","5","7","1") = "9"
    & skf18("5","5","10","1","5","8","1") = "9"
    & skf18("5","5","10","1","5","9","1") = "9"
    & skf18("5","5","10","1","5","10","1") = "9"
    & skf18("5","5","10","1","6","1","1") = "9"
    & skf18("5","5","10","1","6","2","1") = "9"
    & skf18("5","5","10","1","6","3","1") = "9"
    & skf18("5","5","10","1","6","4","1") = "9"
    & skf18("5","5","10","1","6","5","1") = "9"
    & skf18("5","5","10","1","6","6","1") = "9"
    & skf18("5","5","10","1","6","7","1") = "9"
    & skf18("5","5","10","1","6","8","1") = "9"
    & skf18("5","5","10","1","6","9","1") = "9"
    & skf18("5","5","10","1","6","10","1") = "9"
    & skf18("5","5","10","1","7","1","1") = "9"
    & skf18("5","5","10","1","7","2","1") = "9"
    & skf18("5","5","10","1","7","3","1") = "9"
    & skf18("5","5","10","1","7","4","1") = "9"
    & skf18("5","5","10","1","7","5","1") = "9"
    & skf18("5","5","10","1","7","6","1") = "9"
    & skf18("5","5","10","1","7","7","1") = "9"
    & skf18("5","5","10","1","7","8","1") = "9"
    & skf18("5","5","10","1","7","9","1") = "9"
    & skf18("5","5","10","1","7","10","1") = "9"
    & skf18("5","5","10","1","8","1","1") = "9"
    & skf18("5","5","10","1","8","2","1") = "9"
    & skf18("5","5","10","1","8","3","1") = "9"
    & skf18("5","5","10","1","8","4","1") = "9"
    & skf18("5","5","10","1","8","5","1") = "9"
    & skf18("5","5","10","1","8","6","1") = "9"
    & skf18("5","5","10","1","8","7","1") = "9"
    & skf18("5","5","10","1","8","8","1") = "9"
    & skf18("5","5","10","1","8","9","1") = "9"
    & skf18("5","5","10","1","8","10","1") = "9"
    & skf18("5","5","10","1","9","1","1") = "9"
    & skf18("5","5","10","1","9","2","1") = "9"
    & skf18("5","5","10","1","9","3","1") = "9"
    & skf18("5","5","10","1","9","4","1") = "9"
    & skf18("5","5","10","1","9","5","1") = "9"
    & skf18("5","5","10","1","9","6","1") = "9"
    & skf18("5","5","10","1","9","7","1") = "9"
    & skf18("5","5","10","1","9","8","1") = "9"
    & skf18("5","5","10","1","9","9","1") = "9"
    & skf18("5","5","10","1","9","10","1") = "9"
    & skf18("5","5","10","1","10","1","1") = "9"
    & skf18("5","5","10","1","10","2","1") = "9"
    & skf18("5","5","10","1","10","3","1") = "9"
    & skf18("5","5","10","1","10","4","1") = "9"
    & skf18("5","5","10","1","10","5","1") = "9"
    & skf18("5","5","10","1","10","6","1") = "9"
    & skf18("5","5","10","1","10","7","1") = "9"
    & skf18("5","5","10","1","10","8","1") = "9"
    & skf18("5","5","10","1","10","9","1") = "9"
    & skf18("5","5","10","1","10","10","1") = "9"
    & skf18("5","5","10","2","1","1","1") = "9"
    & skf18("5","5","10","2","1","2","1") = "9"
    & skf18("5","5","10","2","1","3","1") = "9"
    & skf18("5","5","10","2","1","4","1") = "9"
    & skf18("5","5","10","2","1","5","1") = "9"
    & skf18("5","5","10","2","1","6","1") = "9"
    & skf18("5","5","10","2","1","7","1") = "9"
    & skf18("5","5","10","2","1","8","1") = "9"
    & skf18("5","5","10","2","1","9","1") = "9"
    & skf18("5","5","10","2","1","10","1") = "9"
    & skf18("5","5","10","2","2","1","1") = "9"
    & skf18("5","5","10","2","2","2","1") = "9"
    & skf18("5","5","10","2","2","3","1") = "9"
    & skf18("5","5","10","2","2","4","1") = "9"
    & skf18("5","5","10","2","2","5","1") = "9"
    & skf18("5","5","10","2","2","6","1") = "9"
    & skf18("5","5","10","2","2","7","1") = "9"
    & skf18("5","5","10","2","2","8","1") = "9"
    & skf18("5","5","10","2","2","9","1") = "9"
    & skf18("5","5","10","2","2","10","1") = "9"
    & skf18("5","5","10","2","3","1","1") = "9"
    & skf18("5","5","10","2","3","2","1") = "9"
    & skf18("5","5","10","2","3","3","1") = "9"
    & skf18("5","5","10","2","3","4","1") = "9"
    & skf18("5","5","10","2","3","5","1") = "9"
    & skf18("5","5","10","2","3","6","1") = "9"
    & skf18("5","5","10","2","3","7","1") = "9"
    & skf18("5","5","10","2","3","8","1") = "9"
    & skf18("5","5","10","2","3","9","1") = "9"
    & skf18("5","5","10","2","3","10","1") = "9"
    & skf18("5","5","10","2","4","1","1") = "9"
    & skf18("5","5","10","2","4","2","1") = "9"
    & skf18("5","5","10","2","4","3","1") = "9"
    & skf18("5","5","10","2","4","4","1") = "9"
    & skf18("5","5","10","2","4","5","1") = "9"
    & skf18("5","5","10","2","4","6","1") = "9"
    & skf18("5","5","10","2","4","7","1") = "9"
    & skf18("5","5","10","2","4","8","1") = "9"
    & skf18("5","5","10","2","4","9","1") = "9"
    & skf18("5","5","10","2","4","10","1") = "9"
    & skf18("5","5","10","2","5","1","1") = "9"
    & skf18("5","5","10","2","5","2","1") = "9"
    & skf18("5","5","10","2","5","3","1") = "9"
    & skf18("5","5","10","2","5","4","1") = "9"
    & skf18("5","5","10","2","5","5","1") = "9"
    & skf18("5","5","10","2","5","6","1") = "9"
    & skf18("5","5","10","2","5","7","1") = "9"
    & skf18("5","5","10","2","5","8","1") = "9"
    & skf18("5","5","10","2","5","9","1") = "9"
    & skf18("5","5","10","2","5","10","1") = "9"
    & skf18("5","5","10","2","6","1","1") = "9"
    & skf18("5","5","10","2","6","2","1") = "9"
    & skf18("5","5","10","2","6","3","1") = "9"
    & skf18("5","5","10","2","6","4","1") = "9"
    & skf18("5","5","10","2","6","5","1") = "9"
    & skf18("5","5","10","2","6","6","1") = "9"
    & skf18("5","5","10","2","6","7","1") = "9"
    & skf18("5","5","10","2","6","8","1") = "9"
    & skf18("5","5","10","2","6","9","1") = "9"
    & skf18("5","5","10","2","6","10","1") = "9"
    & skf18("5","5","10","2","7","1","1") = "9"
    & skf18("5","5","10","2","7","2","1") = "9"
    & skf18("5","5","10","2","7","3","1") = "9"
    & skf18("5","5","10","2","7","4","1") = "9"
    & skf18("5","5","10","2","7","5","1") = "9"
    & skf18("5","5","10","2","7","6","1") = "9"
    & skf18("5","5","10","2","7","7","1") = "9"
    & skf18("5","5","10","2","7","8","1") = "9"
    & skf18("5","5","10","2","7","9","1") = "9"
    & skf18("5","5","10","2","7","10","1") = "9"
    & skf18("5","5","10","2","8","1","1") = "9"
    & skf18("5","5","10","2","8","2","1") = "9"
    & skf18("5","5","10","2","8","3","1") = "9"
    & skf18("5","5","10","2","8","4","1") = "9"
    & skf18("5","5","10","2","8","5","1") = "9"
    & skf18("5","5","10","2","8","6","1") = "9"
    & skf18("5","5","10","2","8","7","1") = "9"
    & skf18("5","5","10","2","8","8","1") = "9"
    & skf18("5","5","10","2","8","9","1") = "9"
    & skf18("5","5","10","2","8","10","1") = "9"
    & skf18("5","5","10","2","9","1","1") = "9"
    & skf18("5","5","10","2","9","2","1") = "9"
    & skf18("5","5","10","2","9","3","1") = "9"
    & skf18("5","5","10","2","9","4","1") = "9"
    & skf18("5","5","10","2","9","5","1") = "9"
    & skf18("5","5","10","2","9","6","1") = "9"
    & skf18("5","5","10","2","9","7","1") = "9"
    & skf18("5","5","10","2","9","8","1") = "9"
    & skf18("5","5","10","2","9","9","1") = "9"
    & skf18("5","5","10","2","9","10","1") = "9"
    & skf18("5","5","10","2","10","1","1") = "9"
    & skf18("5","5","10","2","10","2","1") = "9"
    & skf18("5","5","10","2","10","3","1") = "9"
    & skf18("5","5","10","2","10","4","1") = "9"
    & skf18("5","5","10","2","10","5","1") = "9"
    & skf18("5","5","10","2","10","6","1") = "9"
    & skf18("5","5","10","2","10","7","1") = "9"
    & skf18("5","5","10","2","10","8","1") = "9"
    & skf18("5","5","10","2","10","9","1") = "9"
    & skf18("5","5","10","2","10","10","1") = "9"
    & skf18("5","5","10","3","1","1","1") = "9"
    & skf18("5","5","10","3","1","2","1") = "9"
    & skf18("5","5","10","3","1","3","1") = "9"
    & skf18("5","5","10","3","1","4","1") = "9"
    & skf18("5","5","10","3","1","5","1") = "9"
    & skf18("5","5","10","3","1","6","1") = "9"
    & skf18("5","5","10","3","1","7","1") = "9"
    & skf18("5","5","10","3","1","8","1") = "9"
    & skf18("5","5","10","3","1","9","1") = "9"
    & skf18("5","5","10","3","1","10","1") = "9"
    & skf18("5","5","10","3","2","1","1") = "9"
    & skf18("5","5","10","3","2","2","1") = "9"
    & skf18("5","5","10","3","2","3","1") = "9"
    & skf18("5","5","10","3","2","4","1") = "9"
    & skf18("5","5","10","3","2","5","1") = "9"
    & skf18("5","5","10","3","2","6","1") = "9"
    & skf18("5","5","10","3","2","7","1") = "9"
    & skf18("5","5","10","3","2","8","1") = "9"
    & skf18("5","5","10","3","2","9","1") = "9"
    & skf18("5","5","10","3","2","10","1") = "9"
    & skf18("5","5","10","3","3","1","1") = "9"
    & skf18("5","5","10","3","3","2","1") = "9"
    & skf18("5","5","10","3","3","3","1") = "9"
    & skf18("5","5","10","3","3","4","1") = "9"
    & skf18("5","5","10","3","3","5","1") = "9"
    & skf18("5","5","10","3","3","6","1") = "9"
    & skf18("5","5","10","3","3","7","1") = "9"
    & skf18("5","5","10","3","3","8","1") = "9"
    & skf18("5","5","10","3","3","9","1") = "9"
    & skf18("5","5","10","3","3","10","1") = "9"
    & skf18("5","5","10","3","4","1","1") = "9"
    & skf18("5","5","10","3","4","2","1") = "9"
    & skf18("5","5","10","3","4","3","1") = "9"
    & skf18("5","5","10","3","4","4","1") = "9"
    & skf18("5","5","10","3","4","5","1") = "9"
    & skf18("5","5","10","3","4","6","1") = "9"
    & skf18("5","5","10","3","4","7","1") = "9"
    & skf18("5","5","10","3","4","8","1") = "9"
    & skf18("5","5","10","3","4","9","1") = "9"
    & skf18("5","5","10","3","4","10","1") = "9"
    & skf18("5","5","10","3","5","1","1") = "9"
    & skf18("5","5","10","3","5","2","1") = "9"
    & skf18("5","5","10","3","5","3","1") = "9"
    & skf18("5","5","10","3","5","4","1") = "9"
    & skf18("5","5","10","3","5","5","1") = "9"
    & skf18("5","5","10","3","5","6","1") = "9"
    & skf18("5","5","10","3","5","7","1") = "9"
    & skf18("5","5","10","3","5","8","1") = "9"
    & skf18("5","5","10","3","5","9","1") = "9"
    & skf18("5","5","10","3","5","10","1") = "9"
    & skf18("5","5","10","3","6","1","1") = "9"
    & skf18("5","5","10","3","6","2","1") = "9"
    & skf18("5","5","10","3","6","3","1") = "9"
    & skf18("5","5","10","3","6","4","1") = "9"
    & skf18("5","5","10","3","6","5","1") = "9"
    & skf18("5","5","10","3","6","6","1") = "9"
    & skf18("5","5","10","3","6","7","1") = "9"
    & skf18("5","5","10","3","6","8","1") = "9"
    & skf18("5","5","10","3","6","9","1") = "9"
    & skf18("5","5","10","3","6","10","1") = "9"
    & skf18("5","5","10","3","7","1","1") = "9"
    & skf18("5","5","10","3","7","2","1") = "9"
    & skf18("5","5","10","3","7","3","1") = "9"
    & skf18("5","5","10","3","7","4","1") = "9"
    & skf18("5","5","10","3","7","5","1") = "9"
    & skf18("5","5","10","3","7","6","1") = "9"
    & skf18("5","5","10","3","7","7","1") = "9"
    & skf18("5","5","10","3","7","8","1") = "9"
    & skf18("5","5","10","3","7","9","1") = "9"
    & skf18("5","5","10","3","7","10","1") = "9"
    & skf18("5","5","10","3","8","1","1") = "9"
    & skf18("5","5","10","3","8","2","1") = "9"
    & skf18("5","5","10","3","8","3","1") = "9"
    & skf18("5","5","10","3","8","4","1") = "9"
    & skf18("5","5","10","3","8","5","1") = "9"
    & skf18("5","5","10","3","8","6","1") = "9"
    & skf18("5","5","10","3","8","7","1") = "9"
    & skf18("5","5","10","3","8","8","1") = "9"
    & skf18("5","5","10","3","8","9","1") = "9"
    & skf18("5","5","10","3","8","10","1") = "9"
    & skf18("5","5","10","3","9","1","1") = "9"
    & skf18("5","5","10","3","9","2","1") = "9"
    & skf18("5","5","10","3","9","3","1") = "9"
    & skf18("5","5","10","3","9","4","1") = "9"
    & skf18("5","5","10","3","9","5","1") = "9"
    & skf18("5","5","10","3","9","6","1") = "9"
    & skf18("5","5","10","3","9","7","1") = "9"
    & skf18("5","5","10","3","9","8","1") = "9"
    & skf18("5","5","10","3","9","9","1") = "9"
    & skf18("5","5","10","3","9","10","1") = "9"
    & skf18("5","5","10","3","10","1","1") = "9"
    & skf18("5","5","10","3","10","2","1") = "9"
    & skf18("5","5","10","3","10","3","1") = "9"
    & skf18("5","5","10","3","10","4","1") = "9"
    & skf18("5","5","10","3","10","5","1") = "9"
    & skf18("5","5","10","3","10","6","1") = "9"
    & skf18("5","5","10","3","10","7","1") = "9"
    & skf18("5","5","10","3","10","8","1") = "9"
    & skf18("5","5","10","3","10","9","1") = "9"
    & skf18("5","5","10","3","10","10","1") = "9"
    & skf18("5","5","10","4","1","1","1") = "9"
    & skf18("5","5","10","4","1","2","1") = "9"
    & skf18("5","5","10","4","1","3","1") = "9"
    & skf18("5","5","10","4","1","4","1") = "9"
    & skf18("5","5","10","4","1","5","1") = "9"
    & skf18("5","5","10","4","1","6","1") = "9"
    & skf18("5","5","10","4","1","7","1") = "9"
    & skf18("5","5","10","4","1","8","1") = "9"
    & skf18("5","5","10","4","1","9","1") = "9"
    & skf18("5","5","10","4","1","10","1") = "9"
    & skf18("5","5","10","4","2","1","1") = "9"
    & skf18("5","5","10","4","2","2","1") = "9"
    & skf18("5","5","10","4","2","3","1") = "9"
    & skf18("5","5","10","4","2","4","1") = "9"
    & skf18("5","5","10","4","2","5","1") = "9"
    & skf18("5","5","10","4","2","6","1") = "9"
    & skf18("5","5","10","4","2","7","1") = "9"
    & skf18("5","5","10","4","2","8","1") = "9"
    & skf18("5","5","10","4","2","9","1") = "9"
    & skf18("5","5","10","4","2","10","1") = "9"
    & skf18("5","5","10","4","3","1","1") = "9"
    & skf18("5","5","10","4","3","2","1") = "9"
    & skf18("5","5","10","4","3","3","1") = "9"
    & skf18("5","5","10","4","3","4","1") = "9"
    & skf18("5","5","10","4","3","5","1") = "9"
    & skf18("5","5","10","4","3","6","1") = "9"
    & skf18("5","5","10","4","3","7","1") = "9"
    & skf18("5","5","10","4","3","8","1") = "9"
    & skf18("5","5","10","4","3","9","1") = "9"
    & skf18("5","5","10","4","3","10","1") = "9"
    & skf18("5","5","10","4","4","1","1") = "9"
    & skf18("5","5","10","4","4","2","1") = "9"
    & skf18("5","5","10","4","4","3","1") = "9"
    & skf18("5","5","10","4","4","4","1") = "9"
    & skf18("5","5","10","4","4","5","1") = "9"
    & skf18("5","5","10","4","4","6","1") = "9"
    & skf18("5","5","10","4","4","7","1") = "9"
    & skf18("5","5","10","4","4","8","1") = "9"
    & skf18("5","5","10","4","4","9","1") = "9"
    & skf18("5","5","10","4","4","10","1") = "9"
    & skf18("5","5","10","4","5","1","1") = "9"
    & skf18("5","5","10","4","5","2","1") = "9"
    & skf18("5","5","10","4","5","3","1") = "9"
    & skf18("5","5","10","4","5","4","1") = "9"
    & skf18("5","5","10","4","5","5","1") = "9"
    & skf18("5","5","10","4","5","6","1") = "9"
    & skf18("5","5","10","4","5","7","1") = "9"
    & skf18("5","5","10","4","5","8","1") = "9"
    & skf18("5","5","10","4","5","9","1") = "9"
    & skf18("5","5","10","4","5","10","1") = "9"
    & skf18("5","5","10","4","6","1","1") = "9"
    & skf18("5","5","10","4","6","2","1") = "9"
    & skf18("5","5","10","4","6","3","1") = "9"
    & skf18("5","5","10","4","6","4","1") = "9"
    & skf18("5","5","10","4","6","5","1") = "9"
    & skf18("5","5","10","4","6","6","1") = "9"
    & skf18("5","5","10","4","6","7","1") = "9"
    & skf18("5","5","10","4","6","8","1") = "9"
    & skf18("5","5","10","4","6","9","1") = "9"
    & skf18("5","5","10","4","6","10","1") = "9"
    & skf18("5","5","10","4","7","1","1") = "9"
    & skf18("5","5","10","4","7","2","1") = "9"
    & skf18("5","5","10","4","7","3","1") = "9"
    & skf18("5","5","10","4","7","4","1") = "9"
    & skf18("5","5","10","4","7","5","1") = "9"
    & skf18("5","5","10","4","7","6","1") = "9"
    & skf18("5","5","10","4","7","7","1") = "9"
    & skf18("5","5","10","4","7","8","1") = "9"
    & skf18("5","5","10","4","7","9","1") = "9"
    & skf18("5","5","10","4","7","10","1") = "9"
    & skf18("5","5","10","4","8","1","1") = "9"
    & skf18("5","5","10","4","8","2","1") = "9"
    & skf18("5","5","10","4","8","3","1") = "9"
    & skf18("5","5","10","4","8","4","1") = "9"
    & skf18("5","5","10","4","8","5","1") = "9"
    & skf18("5","5","10","4","8","6","1") = "9"
    & skf18("5","5","10","4","8","7","1") = "9"
    & skf18("5","5","10","4","8","8","1") = "9"
    & skf18("5","5","10","4","8","9","1") = "9"
    & skf18("5","5","10","4","8","10","1") = "9"
    & skf18("5","5","10","4","9","1","1") = "9"
    & skf18("5","5","10","4","9","2","1") = "9"
    & skf18("5","5","10","4","9","3","1") = "9"
    & skf18("5","5","10","4","9","4","1") = "9"
    & skf18("5","5","10","4","9","5","1") = "9"
    & skf18("5","5","10","4","9","6","1") = "9"
    & skf18("5","5","10","4","9","7","1") = "9"
    & skf18("5","5","10","4","9","8","1") = "9"
    & skf18("5","5","10","4","9","9","1") = "9"
    & skf18("5","5","10","4","9","10","1") = "9"
    & skf18("5","5","10","4","10","1","1") = "9"
    & skf18("5","5","10","4","10","2","1") = "9"
    & skf18("5","5","10","4","10","3","1") = "9"
    & skf18("5","5","10","4","10","4","1") = "9"
    & skf18("5","5","10","4","10","5","1") = "9"
    & skf18("5","5","10","4","10","6","1") = "9"
    & skf18("5","5","10","4","10","7","1") = "9"
    & skf18("5","5","10","4","10","8","1") = "9"
    & skf18("5","5","10","4","10","9","1") = "9"
    & skf18("5","5","10","4","10","10","1") = "9"
    & skf18("5","5","10","5","1","1","1") = "9"
    & skf18("5","5","10","5","1","2","1") = "9"
    & skf18("5","5","10","5","1","3","1") = "9"
    & skf18("5","5","10","5","1","4","1") = "9"
    & skf18("5","5","10","5","1","5","1") = "9"
    & skf18("5","5","10","5","1","6","1") = "9"
    & skf18("5","5","10","5","1","7","1") = "9"
    & skf18("5","5","10","5","1","8","1") = "9"
    & skf18("5","5","10","5","1","9","1") = "9"
    & skf18("5","5","10","5","1","10","1") = "9"
    & skf18("5","5","10","5","2","1","1") = "9"
    & skf18("5","5","10","5","2","2","1") = "9"
    & skf18("5","5","10","5","2","3","1") = "9"
    & skf18("5","5","10","5","2","4","1") = "9"
    & skf18("5","5","10","5","2","5","1") = "9"
    & skf18("5","5","10","5","2","6","1") = "9"
    & skf18("5","5","10","5","2","7","1") = "9"
    & skf18("5","5","10","5","2","8","1") = "9"
    & skf18("5","5","10","5","2","9","1") = "9"
    & skf18("5","5","10","5","2","10","1") = "9"
    & skf18("5","5","10","5","3","1","1") = "9"
    & skf18("5","5","10","5","3","2","1") = "9"
    & skf18("5","5","10","5","3","3","1") = "9"
    & skf18("5","5","10","5","3","4","1") = "9"
    & skf18("5","5","10","5","3","5","1") = "9"
    & skf18("5","5","10","5","3","6","1") = "9"
    & skf18("5","5","10","5","3","7","1") = "9"
    & skf18("5","5","10","5","3","8","1") = "9"
    & skf18("5","5","10","5","3","9","1") = "9"
    & skf18("5","5","10","5","3","10","1") = "9"
    & skf18("5","5","10","5","4","1","1") = "9"
    & skf18("5","5","10","5","4","2","1") = "9"
    & skf18("5","5","10","5","4","3","1") = "9"
    & skf18("5","5","10","5","4","4","1") = "9"
    & skf18("5","5","10","5","4","5","1") = "9"
    & skf18("5","5","10","5","4","6","1") = "9"
    & skf18("5","5","10","5","4","7","1") = "9"
    & skf18("5","5","10","5","4","8","1") = "9"
    & skf18("5","5","10","5","4","9","1") = "9"
    & skf18("5","5","10","5","4","10","1") = "9"
    & skf18("5","5","10","5","5","1","1") = "9"
    & skf18("5","5","10","5","5","2","1") = "9"
    & skf18("5","5","10","5","5","3","1") = "9"
    & skf18("5","5","10","5","5","4","1") = "9"
    & skf18("5","5","10","5","5","5","1") = "9"
    & skf18("5","5","10","5","5","6","1") = "9"
    & skf18("5","5","10","5","5","7","1") = "9"
    & skf18("5","5","10","5","5","8","1") = "9"
    & skf18("5","5","10","5","5","9","1") = "9"
    & skf18("5","5","10","5","5","10","1") = "9"
    & skf18("5","5","10","5","6","1","1") = "9"
    & skf18("5","5","10","5","6","2","1") = "9"
    & skf18("5","5","10","5","6","3","1") = "9"
    & skf18("5","5","10","5","6","4","1") = "9"
    & skf18("5","5","10","5","6","5","1") = "9"
    & skf18("5","5","10","5","6","6","1") = "9"
    & skf18("5","5","10","5","6","7","1") = "9"
    & skf18("5","5","10","5","6","8","1") = "9"
    & skf18("5","5","10","5","6","9","1") = "9"
    & skf18("5","5","10","5","6","10","1") = "9"
    & skf18("5","5","10","5","7","1","1") = "9"
    & skf18("5","5","10","5","7","2","1") = "9"
    & skf18("5","5","10","5","7","3","1") = "9"
    & skf18("5","5","10","5","7","4","1") = "9"
    & skf18("5","5","10","5","7","5","1") = "9"
    & skf18("5","5","10","5","7","6","1") = "9"
    & skf18("5","5","10","5","7","7","1") = "9"
    & skf18("5","5","10","5","7","8","1") = "9"
    & skf18("5","5","10","5","7","9","1") = "9"
    & skf18("5","5","10","5","7","10","1") = "9"
    & skf18("5","5","10","5","8","1","1") = "9"
    & skf18("5","5","10","5","8","2","1") = "9"
    & skf18("5","5","10","5","8","3","1") = "9"
    & skf18("5","5","10","5","8","4","1") = "9"
    & skf18("5","5","10","5","8","5","1") = "9"
    & skf18("5","5","10","5","8","6","1") = "9"
    & skf18("5","5","10","5","8","7","1") = "9"
    & skf18("5","5","10","5","8","8","1") = "9"
    & skf18("5","5","10","5","8","9","1") = "9"
    & skf18("5","5","10","5","8","10","1") = "9"
    & skf18("5","5","10","5","9","1","1") = "9"
    & skf18("5","5","10","5","9","2","1") = "9"
    & skf18("5","5","10","5","9","3","1") = "9"
    & skf18("5","5","10","5","9","4","1") = "9"
    & skf18("5","5","10","5","9","5","1") = "9"
    & skf18("5","5","10","5","9","6","1") = "9"
    & skf18("5","5","10","5","9","7","1") = "9"
    & skf18("5","5","10","5","9","8","1") = "9"
    & skf18("5","5","10","5","9","9","1") = "9"
    & skf18("5","5","10","5","9","10","1") = "9"
    & skf18("5","5","10","5","10","1","1") = "9"
    & skf18("5","5","10","5","10","2","1") = "9"
    & skf18("5","5","10","5","10","3","1") = "9"
    & skf18("5","5","10","5","10","4","1") = "9"
    & skf18("5","5","10","5","10","5","1") = "9"
    & skf18("5","5","10","5","10","6","1") = "9"
    & skf18("5","5","10","5","10","7","1") = "9"
    & skf18("5","5","10","5","10","8","1") = "9"
    & skf18("5","5","10","5","10","9","1") = "9"
    & skf18("5","5","10","5","10","10","1") = "9"
    & skf18("5","5","10","6","1","1","1") = "9"
    & skf18("5","5","10","6","1","2","1") = "9"
    & skf18("5","5","10","6","1","3","1") = "9"
    & skf18("5","5","10","6","1","4","1") = "9"
    & skf18("5","5","10","6","1","5","1") = "9"
    & skf18("5","5","10","6","1","6","1") = "9"
    & skf18("5","5","10","6","1","7","1") = "9"
    & skf18("5","5","10","6","1","8","1") = "9"
    & skf18("5","5","10","6","1","9","1") = "9"
    & skf18("5","5","10","6","1","10","1") = "9"
    & skf18("5","5","10","6","2","1","1") = "9"
    & skf18("5","5","10","6","2","2","1") = "9"
    & skf18("5","5","10","6","2","3","1") = "9"
    & skf18("5","5","10","6","2","4","1") = "9"
    & skf18("5","5","10","6","2","5","1") = "9"
    & skf18("5","5","10","6","2","6","1") = "9"
    & skf18("5","5","10","6","2","7","1") = "9"
    & skf18("5","5","10","6","2","8","1") = "9"
    & skf18("5","5","10","6","2","9","1") = "9"
    & skf18("5","5","10","6","2","10","1") = "9"
    & skf18("5","5","10","6","3","1","1") = "9"
    & skf18("5","5","10","6","3","2","1") = "9"
    & skf18("5","5","10","6","3","3","1") = "9"
    & skf18("5","5","10","6","3","4","1") = "9"
    & skf18("5","5","10","6","3","5","1") = "9"
    & skf18("5","5","10","6","3","6","1") = "9"
    & skf18("5","5","10","6","3","7","1") = "9"
    & skf18("5","5","10","6","3","8","1") = "9"
    & skf18("5","5","10","6","3","9","1") = "9"
    & skf18("5","5","10","6","3","10","1") = "9"
    & skf18("5","5","10","6","4","1","1") = "9"
    & skf18("5","5","10","6","4","2","1") = "9"
    & skf18("5","5","10","6","4","3","1") = "9"
    & skf18("5","5","10","6","4","4","1") = "9"
    & skf18("5","5","10","6","4","5","1") = "9"
    & skf18("5","5","10","6","4","6","1") = "9"
    & skf18("5","5","10","6","4","7","1") = "9"
    & skf18("5","5","10","6","4","8","1") = "9"
    & skf18("5","5","10","6","4","9","1") = "9"
    & skf18("5","5","10","6","4","10","1") = "9"
    & skf18("5","5","10","6","5","1","1") = "9"
    & skf18("5","5","10","6","5","2","1") = "9"
    & skf18("5","5","10","6","5","3","1") = "9"
    & skf18("5","5","10","6","5","4","1") = "9"
    & skf18("5","5","10","6","5","5","1") = "9"
    & skf18("5","5","10","6","5","6","1") = "9"
    & skf18("5","5","10","6","5","7","1") = "9"
    & skf18("5","5","10","6","5","8","1") = "9"
    & skf18("5","5","10","6","5","9","1") = "9"
    & skf18("5","5","10","6","5","10","1") = "9"
    & skf18("5","5","10","6","6","1","1") = "9"
    & skf18("5","5","10","6","6","2","1") = "9"
    & skf18("5","5","10","6","6","3","1") = "9"
    & skf18("5","5","10","6","6","4","1") = "9"
    & skf18("5","5","10","6","6","5","1") = "9"
    & skf18("5","5","10","6","6","6","1") = "9"
    & skf18("5","5","10","6","6","7","1") = "9"
    & skf18("5","5","10","6","6","8","1") = "9"
    & skf18("5","5","10","6","6","9","1") = "9"
    & skf18("5","5","10","6","6","10","1") = "9"
    & skf18("5","5","10","6","7","1","1") = "9"
    & skf18("5","5","10","6","7","2","1") = "9"
    & skf18("5","5","10","6","7","3","1") = "9"
    & skf18("5","5","10","6","7","4","1") = "9"
    & skf18("5","5","10","6","7","5","1") = "9"
    & skf18("5","5","10","6","7","6","1") = "9"
    & skf18("5","5","10","6","7","7","1") = "9"
    & skf18("5","5","10","6","7","8","1") = "9"
    & skf18("5","5","10","6","7","9","1") = "9"
    & skf18("5","5","10","6","7","10","1") = "9"
    & skf18("5","5","10","6","8","1","1") = "9"
    & skf18("5","5","10","6","8","2","1") = "9"
    & skf18("5","5","10","6","8","3","1") = "9"
    & skf18("5","5","10","6","8","4","1") = "9"
    & skf18("5","5","10","6","8","5","1") = "9"
    & skf18("5","5","10","6","8","6","1") = "9"
    & skf18("5","5","10","6","8","7","1") = "9"
    & skf18("5","5","10","6","8","8","1") = "9"
    & skf18("5","5","10","6","8","9","1") = "9"
    & skf18("5","5","10","6","8","10","1") = "9"
    & skf18("5","5","10","6","9","1","1") = "9"
    & skf18("5","5","10","6","9","2","1") = "9"
    & skf18("5","5","10","6","9","3","1") = "9"
    & skf18("5","5","10","6","9","4","1") = "9"
    & skf18("5","5","10","6","9","5","1") = "9"
    & skf18("5","5","10","6","9","6","1") = "9"
    & skf18("5","5","10","6","9","7","1") = "9"
    & skf18("5","5","10","6","9","8","1") = "9"
    & skf18("5","5","10","6","9","9","1") = "9"
    & skf18("5","5","10","6","9","10","1") = "9"
    & skf18("5","5","10","6","10","1","1") = "9"
    & skf18("5","5","10","6","10","2","1") = "9"
    & skf18("5","5","10","6","10","3","1") = "9"
    & skf18("5","5","10","6","10","4","1") = "9"
    & skf18("5","5","10","6","10","5","1") = "9"
    & skf18("5","5","10","6","10","6","1") = "9"
    & skf18("5","5","10","6","10","7","1") = "9"
    & skf18("5","5","10","6","10","8","1") = "9"
    & skf18("5","5","10","6","10","9","1") = "9"
    & skf18("5","5","10","6","10","10","1") = "9"
    & skf18("5","5","10","7","1","1","1") = "9"
    & skf18("5","5","10","7","1","2","1") = "9"
    & skf18("5","5","10","7","1","3","1") = "9"
    & skf18("5","5","10","7","1","4","1") = "9"
    & skf18("5","5","10","7","1","5","1") = "9"
    & skf18("5","5","10","7","1","6","1") = "9"
    & skf18("5","5","10","7","1","7","1") = "9"
    & skf18("5","5","10","7","1","8","1") = "9"
    & skf18("5","5","10","7","1","9","1") = "9"
    & skf18("5","5","10","7","1","10","1") = "9"
    & skf18("5","5","10","7","2","1","1") = "9"
    & skf18("5","5","10","7","2","2","1") = "9"
    & skf18("5","5","10","7","2","3","1") = "9"
    & skf18("5","5","10","7","2","4","1") = "9"
    & skf18("5","5","10","7","2","5","1") = "9"
    & skf18("5","5","10","7","2","6","1") = "9"
    & skf18("5","5","10","7","2","7","1") = "9"
    & skf18("5","5","10","7","2","8","1") = "9"
    & skf18("5","5","10","7","2","9","1") = "9"
    & skf18("5","5","10","7","2","10","1") = "9"
    & skf18("5","5","10","7","3","1","1") = "9"
    & skf18("5","5","10","7","3","2","1") = "9"
    & skf18("5","5","10","7","3","3","1") = "9"
    & skf18("5","5","10","7","3","4","1") = "9"
    & skf18("5","5","10","7","3","5","1") = "9"
    & skf18("5","5","10","7","3","6","1") = "9"
    & skf18("5","5","10","7","3","7","1") = "9"
    & skf18("5","5","10","7","3","8","1") = "9"
    & skf18("5","5","10","7","3","9","1") = "9"
    & skf18("5","5","10","7","3","10","1") = "9"
    & skf18("5","5","10","7","4","1","1") = "9"
    & skf18("5","5","10","7","4","2","1") = "9"
    & skf18("5","5","10","7","4","3","1") = "9"
    & skf18("5","5","10","7","4","4","1") = "9"
    & skf18("5","5","10","7","4","5","1") = "9"
    & skf18("5","5","10","7","4","6","1") = "9"
    & skf18("5","5","10","7","4","7","1") = "9"
    & skf18("5","5","10","7","4","8","1") = "9"
    & skf18("5","5","10","7","4","9","1") = "9"
    & skf18("5","5","10","7","4","10","1") = "9"
    & skf18("5","5","10","7","5","1","1") = "9"
    & skf18("5","5","10","7","5","2","1") = "9"
    & skf18("5","5","10","7","5","3","1") = "9"
    & skf18("5","5","10","7","5","4","1") = "9"
    & skf18("5","5","10","7","5","5","1") = "9"
    & skf18("5","5","10","7","5","6","1") = "9"
    & skf18("5","5","10","7","5","7","1") = "9"
    & skf18("5","5","10","7","5","8","1") = "9"
    & skf18("5","5","10","7","5","9","1") = "9"
    & skf18("5","5","10","7","5","10","1") = "9"
    & skf18("5","5","10","7","6","1","1") = "9"
    & skf18("5","5","10","7","6","2","1") = "9"
    & skf18("5","5","10","7","6","3","1") = "9"
    & skf18("5","5","10","7","6","4","1") = "9"
    & skf18("5","5","10","7","6","5","1") = "9"
    & skf18("5","5","10","7","6","6","1") = "9"
    & skf18("5","5","10","7","6","7","1") = "9"
    & skf18("5","5","10","7","6","8","1") = "9"
    & skf18("5","5","10","7","6","9","1") = "9"
    & skf18("5","5","10","7","6","10","1") = "9"
    & skf18("5","5","10","7","7","1","1") = "9"
    & skf18("5","5","10","7","7","2","1") = "9"
    & skf18("5","5","10","7","7","3","1") = "9"
    & skf18("5","5","10","7","7","4","1") = "9"
    & skf18("5","5","10","7","7","5","1") = "9"
    & skf18("5","5","10","7","7","6","1") = "9"
    & skf18("5","5","10","7","7","7","1") = "9"
    & skf18("5","5","10","7","7","8","1") = "9"
    & skf18("5","5","10","7","7","9","1") = "9"
    & skf18("5","5","10","7","7","10","1") = "9"
    & skf18("5","5","10","7","8","1","1") = "9"
    & skf18("5","5","10","7","8","2","1") = "9"
    & skf18("5","5","10","7","8","3","1") = "9"
    & skf18("5","5","10","7","8","4","1") = "9"
    & skf18("5","5","10","7","8","5","1") = "9"
    & skf18("5","5","10","7","8","6","1") = "9"
    & skf18("5","5","10","7","8","7","1") = "9"
    & skf18("5","5","10","7","8","8","1") = "9"
    & skf18("5","5","10","7","8","9","1") = "9"
    & skf18("5","5","10","7","8","10","1") = "9"
    & skf18("5","5","10","7","9","1","1") = "9"
    & skf18("5","5","10","7","9","2","1") = "9"
    & skf18("5","5","10","7","9","3","1") = "9"
    & skf18("5","5","10","7","9","4","1") = "9"
    & skf18("5","5","10","7","9","5","1") = "9"
    & skf18("5","5","10","7","9","6","1") = "9"
    & skf18("5","5","10","7","9","7","1") = "9"
    & skf18("5","5","10","7","9","8","1") = "9"
    & skf18("5","5","10","7","9","9","1") = "9"
    & skf18("5","5","10","7","9","10","1") = "9"
    & skf18("5","5","10","7","10","1","1") = "9"
    & skf18("5","5","10","7","10","2","1") = "9"
    & skf18("5","5","10","7","10","3","1") = "9"
    & skf18("5","5","10","7","10","4","1") = "9"
    & skf18("5","5","10","7","10","5","1") = "9"
    & skf18("5","5","10","7","10","6","1") = "9"
    & skf18("5","5","10","7","10","7","1") = "9"
    & skf18("5","5","10","7","10","8","1") = "9"
    & skf18("5","5","10","7","10","9","1") = "9"
    & skf18("5","5","10","7","10","10","1") = "9"
    & skf18("5","5","10","8","1","1","1") = "9"
    & skf18("5","5","10","8","1","2","1") = "9"
    & skf18("5","5","10","8","1","3","1") = "9"
    & skf18("5","5","10","8","1","4","1") = "9"
    & skf18("5","5","10","8","1","5","1") = "9"
    & skf18("5","5","10","8","1","6","1") = "9"
    & skf18("5","5","10","8","1","7","1") = "9"
    & skf18("5","5","10","8","1","8","1") = "9"
    & skf18("5","5","10","8","1","9","1") = "9"
    & skf18("5","5","10","8","1","10","1") = "9"
    & skf18("5","5","10","8","2","1","1") = "9"
    & skf18("5","5","10","8","2","2","1") = "9"
    & skf18("5","5","10","8","2","3","1") = "9"
    & skf18("5","5","10","8","2","4","1") = "9"
    & skf18("5","5","10","8","2","5","1") = "9"
    & skf18("5","5","10","8","2","6","1") = "9"
    & skf18("5","5","10","8","2","7","1") = "9"
    & skf18("5","5","10","8","2","8","1") = "9"
    & skf18("5","5","10","8","2","9","1") = "9"
    & skf18("5","5","10","8","2","10","1") = "9"
    & skf18("5","5","10","8","3","1","1") = "9"
    & skf18("5","5","10","8","3","2","1") = "9"
    & skf18("5","5","10","8","3","3","1") = "9"
    & skf18("5","5","10","8","3","4","1") = "9"
    & skf18("5","5","10","8","3","5","1") = "9"
    & skf18("5","5","10","8","3","6","1") = "9"
    & skf18("5","5","10","8","3","7","1") = "9"
    & skf18("5","5","10","8","3","8","1") = "9"
    & skf18("5","5","10","8","3","9","1") = "9"
    & skf18("5","5","10","8","3","10","1") = "9"
    & skf18("5","5","10","8","4","1","1") = "9"
    & skf18("5","5","10","8","4","2","1") = "9"
    & skf18("5","5","10","8","4","3","1") = "9"
    & skf18("5","5","10","8","4","4","1") = "9"
    & skf18("5","5","10","8","4","5","1") = "9"
    & skf18("5","5","10","8","4","6","1") = "9"
    & skf18("5","5","10","8","4","7","1") = "9"
    & skf18("5","5","10","8","4","8","1") = "9"
    & skf18("5","5","10","8","4","9","1") = "9"
    & skf18("5","5","10","8","4","10","1") = "9"
    & skf18("5","5","10","8","5","1","1") = "9"
    & skf18("5","5","10","8","5","2","1") = "9"
    & skf18("5","5","10","8","5","3","1") = "9"
    & skf18("5","5","10","8","5","4","1") = "9"
    & skf18("5","5","10","8","5","5","1") = "9"
    & skf18("5","5","10","8","5","6","1") = "9"
    & skf18("5","5","10","8","5","7","1") = "9"
    & skf18("5","5","10","8","5","8","1") = "9"
    & skf18("5","5","10","8","5","9","1") = "9"
    & skf18("5","5","10","8","5","10","1") = "9"
    & skf18("5","5","10","8","6","1","1") = "9"
    & skf18("5","5","10","8","6","2","1") = "9"
    & skf18("5","5","10","8","6","3","1") = "9"
    & skf18("5","5","10","8","6","4","1") = "9"
    & skf18("5","5","10","8","6","5","1") = "9"
    & skf18("5","5","10","8","6","6","1") = "9"
    & skf18("5","5","10","8","6","7","1") = "9"
    & skf18("5","5","10","8","6","8","1") = "9"
    & skf18("5","5","10","8","6","9","1") = "9"
    & skf18("5","5","10","8","6","10","1") = "9"
    & skf18("5","5","10","8","7","1","1") = "9"
    & skf18("5","5","10","8","7","2","1") = "9"
    & skf18("5","5","10","8","7","3","1") = "9"
    & skf18("5","5","10","8","7","4","1") = "9"
    & skf18("5","5","10","8","7","5","1") = "9"
    & skf18("5","5","10","8","7","6","1") = "9"
    & skf18("5","5","10","8","7","7","1") = "9"
    & skf18("5","5","10","8","7","8","1") = "9"
    & skf18("5","5","10","8","7","9","1") = "9"
    & skf18("5","5","10","8","7","10","1") = "9"
    & skf18("5","5","10","8","8","1","1") = "9"
    & skf18("5","5","10","8","8","2","1") = "9"
    & skf18("5","5","10","8","8","3","1") = "9"
    & skf18("5","5","10","8","8","4","1") = "9"
    & skf18("5","5","10","8","8","5","1") = "9"
    & skf18("5","5","10","8","8","6","1") = "9"
    & skf18("5","5","10","8","8","7","1") = "9"
    & skf18("5","5","10","8","8","8","1") = "9"
    & skf18("5","5","10","8","8","9","1") = "9"
    & skf18("5","5","10","8","8","10","1") = "9"
    & skf18("5","5","10","8","9","1","1") = "9"
    & skf18("5","5","10","8","9","2","1") = "9"
    & skf18("5","5","10","8","9","3","1") = "9"
    & skf18("5","5","10","8","9","4","1") = "9"
    & skf18("5","5","10","8","9","5","1") = "9"
    & skf18("5","5","10","8","9","6","1") = "9"
    & skf18("5","5","10","8","9","7","1") = "9"
    & skf18("5","5","10","8","9","8","1") = "9"
    & skf18("5","5","10","8","9","9","1") = "9"
    & skf18("5","5","10","8","9","10","1") = "9"
    & skf18("5","5","10","8","10","1","1") = "9"
    & skf18("5","5","10","8","10","2","1") = "9"
    & skf18("5","5","10","8","10","3","1") = "9"
    & skf18("5","5","10","8","10","4","1") = "9"
    & skf18("5","5","10","8","10","5","1") = "9"
    & skf18("5","5","10","8","10","6","1") = "9"
    & skf18("5","5","10","8","10","7","1") = "9"
    & skf18("5","5","10","8","10","8","1") = "9"
    & skf18("5","5","10","8","10","9","1") = "9"
    & skf18("5","5","10","8","10","10","1") = "9"
    & skf18("5","5","10","9","1","1","1") = "9"
    & skf18("5","5","10","9","1","2","1") = "9"
    & skf18("5","5","10","9","1","3","1") = "9"
    & skf18("5","5","10","9","1","4","1") = "9"
    & skf18("5","5","10","9","1","5","1") = "9"
    & skf18("5","5","10","9","1","6","1") = "9"
    & skf18("5","5","10","9","1","7","1") = "9"
    & skf18("5","5","10","9","1","8","1") = "9"
    & skf18("5","5","10","9","1","9","1") = "9"
    & skf18("5","5","10","9","1","10","1") = "9"
    & skf18("5","5","10","9","2","1","1") = "9"
    & skf18("5","5","10","9","2","2","1") = "9"
    & skf18("5","5","10","9","2","3","1") = "9"
    & skf18("5","5","10","9","2","4","1") = "9"
    & skf18("5","5","10","9","2","5","1") = "9"
    & skf18("5","5","10","9","2","6","1") = "9"
    & skf18("5","5","10","9","2","7","1") = "9"
    & skf18("5","5","10","9","2","8","1") = "9"
    & skf18("5","5","10","9","2","9","1") = "9"
    & skf18("5","5","10","9","2","10","1") = "9"
    & skf18("5","5","10","9","3","1","1") = "9"
    & skf18("5","5","10","9","3","2","1") = "9"
    & skf18("5","5","10","9","3","3","1") = "9"
    & skf18("5","5","10","9","3","4","1") = "9"
    & skf18("5","5","10","9","3","5","1") = "9"
    & skf18("5","5","10","9","3","6","1") = "9"
    & skf18("5","5","10","9","3","7","1") = "9"
    & skf18("5","5","10","9","3","8","1") = "9"
    & skf18("5","5","10","9","3","9","1") = "9"
    & skf18("5","5","10","9","3","10","1") = "9"
    & skf18("5","5","10","9","4","1","1") = "9"
    & skf18("5","5","10","9","4","2","1") = "9"
    & skf18("5","5","10","9","4","3","1") = "9"
    & skf18("5","5","10","9","4","4","1") = "9"
    & skf18("5","5","10","9","4","5","1") = "9"
    & skf18("5","5","10","9","4","6","1") = "9"
    & skf18("5","5","10","9","4","7","1") = "9"
    & skf18("5","5","10","9","4","8","1") = "9"
    & skf18("5","5","10","9","4","9","1") = "9"
    & skf18("5","5","10","9","4","10","1") = "9"
    & skf18("5","5","10","9","5","1","1") = "9"
    & skf18("5","5","10","9","5","2","1") = "9"
    & skf18("5","5","10","9","5","3","1") = "9"
    & skf18("5","5","10","9","5","4","1") = "9"
    & skf18("5","5","10","9","5","5","1") = "9"
    & skf18("5","5","10","9","5","6","1") = "9"
    & skf18("5","5","10","9","5","7","1") = "9"
    & skf18("5","5","10","9","5","8","1") = "9"
    & skf18("5","5","10","9","5","9","1") = "9"
    & skf18("5","5","10","9","5","10","1") = "9"
    & skf18("5","5","10","9","6","1","1") = "9"
    & skf18("5","5","10","9","6","2","1") = "9"
    & skf18("5","5","10","9","6","3","1") = "9"
    & skf18("5","5","10","9","6","4","1") = "9"
    & skf18("5","5","10","9","6","5","1") = "9"
    & skf18("5","5","10","9","6","6","1") = "9"
    & skf18("5","5","10","9","6","7","1") = "9"
    & skf18("5","5","10","9","6","8","1") = "9"
    & skf18("5","5","10","9","6","9","1") = "9"
    & skf18("5","5","10","9","6","10","1") = "9"
    & skf18("5","5","10","9","7","1","1") = "9"
    & skf18("5","5","10","9","7","2","1") = "9"
    & skf18("5","5","10","9","7","3","1") = "9"
    & skf18("5","5","10","9","7","4","1") = "9"
    & skf18("5","5","10","9","7","5","1") = "9"
    & skf18("5","5","10","9","7","6","1") = "9"
    & skf18("5","5","10","9","7","7","1") = "9"
    & skf18("5","5","10","9","7","8","1") = "9"
    & skf18("5","5","10","9","7","9","1") = "9"
    & skf18("5","5","10","9","7","10","1") = "9"
    & skf18("5","5","10","9","8","1","1") = "9"
    & skf18("5","5","10","9","8","2","1") = "9"
    & skf18("5","5","10","9","8","3","1") = "9"
    & skf18("5","5","10","9","8","4","1") = "9"
    & skf18("5","5","10","9","8","5","1") = "9"
    & skf18("5","5","10","9","8","6","1") = "9"
    & skf18("5","5","10","9","8","7","1") = "9"
    & skf18("5","5","10","9","8","8","1") = "9"
    & skf18("5","5","10","9","8","9","1") = "9"
    & skf18("5","5","10","9","8","10","1") = "9"
    & skf18("5","5","10","9","9","1","1") = "9"
    & skf18("5","5","10","9","9","2","1") = "9"
    & skf18("5","5","10","9","9","3","1") = "9"
    & skf18("5","5","10","9","9","4","1") = "9"
    & skf18("5","5","10","9","9","5","1") = "9"
    & skf18("5","5","10","9","9","6","1") = "9"
    & skf18("5","5","10","9","9","7","1") = "9"
    & skf18("5","5","10","9","9","8","1") = "9"
    & skf18("5","5","10","9","9","9","1") = "9"
    & skf18("5","5","10","9","9","10","1") = "9"
    & skf18("5","5","10","9","10","1","1") = "9"
    & skf18("5","5","10","9","10","2","1") = "9"
    & skf18("5","5","10","9","10","3","1") = "9"
    & skf18("5","5","10","9","10","4","1") = "9"
    & skf18("5","5","10","9","10","5","1") = "9"
    & skf18("5","5","10","9","10","6","1") = "9"
    & skf18("5","5","10","9","10","7","1") = "9"
    & skf18("5","5","10","9","10","8","1") = "9"
    & skf18("5","5","10","9","10","9","1") = "9"
    & skf18("5","5","10","9","10","10","1") = "9"
    & skf18("5","5","10","10","1","1","1") = "9"
    & skf18("5","5","10","10","1","2","1") = "9"
    & skf18("5","5","10","10","1","3","1") = "9"
    & skf18("5","5","10","10","1","4","1") = "9"
    & skf18("5","5","10","10","1","5","1") = "9"
    & skf18("5","5","10","10","1","6","1") = "9"
    & skf18("5","5","10","10","1","7","1") = "9"
    & skf18("5","5","10","10","1","8","1") = "9"
    & skf18("5","5","10","10","1","9","1") = "9"
    & skf18("5","5","10","10","1","10","1") = "9"
    & skf18("5","5","10","10","2","1","1") = "9"
    & skf18("5","5","10","10","2","2","1") = "9"
    & skf18("5","5","10","10","2","3","1") = "9"
    & skf18("5","5","10","10","2","4","1") = "9"
    & skf18("5","5","10","10","2","5","1") = "9"
    & skf18("5","5","10","10","2","6","1") = "9"
    & skf18("5","5","10","10","2","7","1") = "9"
    & skf18("5","5","10","10","2","8","1") = "9"
    & skf18("5","5","10","10","2","9","1") = "9"
    & skf18("5","5","10","10","2","10","1") = "9"
    & skf18("5","5","10","10","3","1","1") = "9"
    & skf18("5","5","10","10","3","2","1") = "9"
    & skf18("5","5","10","10","3","3","1") = "9"
    & skf18("5","5","10","10","3","4","1") = "9"
    & skf18("5","5","10","10","3","5","1") = "9"
    & skf18("5","5","10","10","3","6","1") = "9"
    & skf18("5","5","10","10","3","7","1") = "9"
    & skf18("5","5","10","10","3","8","1") = "9"
    & skf18("5","5","10","10","3","9","1") = "9"
    & skf18("5","5","10","10","3","10","1") = "9"
    & skf18("5","5","10","10","4","1","1") = "9"
    & skf18("5","5","10","10","4","2","1") = "9"
    & skf18("5","5","10","10","4","3","1") = "9"
    & skf18("5","5","10","10","4","4","1") = "9"
    & skf18("5","5","10","10","4","5","1") = "9"
    & skf18("5","5","10","10","4","6","1") = "9"
    & skf18("5","5","10","10","4","7","1") = "9"
    & skf18("5","5","10","10","4","8","1") = "9"
    & skf18("5","5","10","10","4","9","1") = "9"
    & skf18("5","5","10","10","4","10","1") = "9"
    & skf18("5","5","10","10","5","1","1") = "9"
    & skf18("5","5","10","10","5","2","1") = "9"
    & skf18("5","5","10","10","5","3","1") = "9"
    & skf18("5","5","10","10","5","4","1") = "9"
    & skf18("5","5","10","10","5","5","1") = "9"
    & skf18("5","5","10","10","5","6","1") = "9"
    & skf18("5","5","10","10","5","7","1") = "9"
    & skf18("5","5","10","10","5","8","1") = "9"
    & skf18("5","5","10","10","5","9","1") = "9"
    & skf18("5","5","10","10","5","10","1") = "9"
    & skf18("5","5","10","10","6","1","1") = "9"
    & skf18("5","5","10","10","6","2","1") = "9"
    & skf18("5","5","10","10","6","3","1") = "9"
    & skf18("5","5","10","10","6","4","1") = "9"
    & skf18("5","5","10","10","6","5","1") = "9"
    & skf18("5","5","10","10","6","6","1") = "9"
    & skf18("5","5","10","10","6","7","1") = "9"
    & skf18("5","5","10","10","6","8","1") = "9"
    & skf18("5","5","10","10","6","9","1") = "9"
    & skf18("5","5","10","10","6","10","1") = "9"
    & skf18("5","5","10","10","7","1","1") = "9"
    & skf18("5","5","10","10","7","2","1") = "9"
    & skf18("5","5","10","10","7","3","1") = "9"
    & skf18("5","5","10","10","7","4","1") = "9"
    & skf18("5","5","10","10","7","5","1") = "9"
    & skf18("5","5","10","10","7","6","1") = "9"
    & skf18("5","5","10","10","7","7","1") = "9"
    & skf18("5","5","10","10","7","8","1") = "9"
    & skf18("5","5","10","10","7","9","1") = "9"
    & skf18("5","5","10","10","7","10","1") = "9"
    & skf18("5","5","10","10","8","1","1") = "9"
    & skf18("5","5","10","10","8","2","1") = "9"
    & skf18("5","5","10","10","8","3","1") = "9"
    & skf18("5","5","10","10","8","4","1") = "9"
    & skf18("5","5","10","10","8","5","1") = "9"
    & skf18("5","5","10","10","8","6","1") = "9"
    & skf18("5","5","10","10","8","7","1") = "9"
    & skf18("5","5","10","10","8","8","1") = "9"
    & skf18("5","5","10","10","8","9","1") = "9"
    & skf18("5","5","10","10","8","10","1") = "9"
    & skf18("5","5","10","10","9","1","1") = "9"
    & skf18("5","5","10","10","9","2","1") = "9"
    & skf18("5","5","10","10","9","3","1") = "9"
    & skf18("5","5","10","10","9","4","1") = "9"
    & skf18("5","5","10","10","9","5","1") = "9"
    & skf18("5","5","10","10","9","6","1") = "9"
    & skf18("5","5","10","10","9","7","1") = "9"
    & skf18("5","5","10","10","9","8","1") = "9"
    & skf18("5","5","10","10","9","9","1") = "9"
    & skf18("5","5","10","10","9","10","1") = "9"
    & skf18("5","5","10","10","10","1","1") = "9"
    & skf18("5","5","10","10","10","2","1") = "9"
    & skf18("5","5","10","10","10","3","1") = "9"
    & skf18("5","5","10","10","10","4","1") = "9"
    & skf18("5","5","10","10","10","5","1") = "9"
    & skf18("5","5","10","10","10","6","1") = "9"
    & skf18("5","5","10","10","10","7","1") = "9"
    & skf18("5","5","10","10","10","8","1") = "9"
    & skf18("5","5","10","10","10","9","1") = "9"
    & skf18("5","5","10","10","10","10","1") = "9"
    & skf18("5","6","1","1","1","1","1") = "5"
    & skf18("5","6","1","1","1","2","1") = "5"
    & skf18("5","6","1","1","1","3","1") = "5"
    & skf18("5","6","1","1","1","4","1") = "5"
    & skf18("5","6","1","1","1","5","1") = "5"
    & skf18("5","6","1","1","1","6","1") = "5"
    & skf18("5","6","1","1","1","7","1") = "6"
    & skf18("5","6","1","1","1","8","1") = "7"
    & skf18("5","6","1","1","1","9","1") = "8"
    & skf18("5","6","1","1","1","10","1") = "9"
    & skf18("5","6","1","1","2","1","1") = "5"
    & skf18("5","6","1","1","2","2","1") = "5"
    & skf18("5","6","1","1","2","3","1") = "5"
    & skf18("5","6","1","1","2","4","1") = "5"
    & skf18("5","6","1","1","2","5","1") = "5"
    & skf18("5","6","1","1","2","6","1") = "5"
    & skf18("5","6","1","1","2","7","1") = "6"
    & skf18("5","6","1","1","2","8","1") = "7"
    & skf18("5","6","1","1","2","9","1") = "8"
    & skf18("5","6","1","1","2","10","1") = "9"
    & skf18("5","6","1","1","3","1","1") = "5"
    & skf18("5","6","1","1","3","2","1") = "5"
    & skf18("5","6","1","1","3","3","1") = "5"
    & skf18("5","6","1","1","3","4","1") = "5"
    & skf18("5","6","1","1","3","5","1") = "5"
    & skf18("5","6","1","1","3","6","1") = "5"
    & skf18("5","6","1","1","3","7","1") = "6"
    & skf18("5","6","1","1","3","8","1") = "7"
    & skf18("5","6","1","1","3","9","1") = "8"
    & skf18("5","6","1","1","3","10","1") = "9"
    & skf18("5","6","1","1","4","1","1") = "5"
    & skf18("5","6","1","1","4","2","1") = "5"
    & skf18("5","6","1","1","4","3","1") = "5"
    & skf18("5","6","1","1","4","4","1") = "5"
    & skf18("5","6","1","1","4","5","1") = "5"
    & skf18("5","6","1","1","4","6","1") = "5"
    & skf18("5","6","1","1","4","7","1") = "6"
    & skf18("5","6","1","1","4","8","1") = "7"
    & skf18("5","6","1","1","4","9","1") = "8"
    & skf18("5","6","1","1","4","10","1") = "9"
    & skf18("5","6","1","1","5","1","1") = "5"
    & skf18("5","6","1","1","5","2","1") = "5"
    & skf18("5","6","1","1","5","3","1") = "5"
    & skf18("5","6","1","1","5","4","1") = "5"
    & skf18("5","6","1","1","5","5","1") = "5"
    & skf18("5","6","1","1","5","6","1") = "5"
    & skf18("5","6","1","1","5","7","1") = "6"
    & skf18("5","6","1","1","5","8","1") = "7"
    & skf18("5","6","1","1","5","9","1") = "8"
    & skf18("5","6","1","1","5","10","1") = "9"
    & skf18("5","6","1","1","6","1","1") = "5"
    & skf18("5","6","1","1","6","2","1") = "5"
    & skf18("5","6","1","1","6","3","1") = "5"
    & skf18("5","6","1","1","6","4","1") = "5"
    & skf18("5","6","1","1","6","5","1") = "5"
    & skf18("5","6","1","1","6","6","1") = "5"
    & skf18("5","6","1","1","6","7","1") = "6"
    & skf18("5","6","1","1","6","8","1") = "7"
    & skf18("5","6","1","1","6","9","1") = "8"
    & skf18("5","6","1","1","6","10","1") = "9"
    & skf18("5","6","1","1","7","1","1") = "6"
    & skf18("5","6","1","1","7","2","1") = "6"
    & skf18("5","6","1","1","7","3","1") = "6"
    & skf18("5","6","1","1","7","4","1") = "6"
    & skf18("5","6","1","1","7","5","1") = "6"
    & skf18("5","6","1","1","7","6","1") = "6"
    & skf18("5","6","1","1","7","7","1") = "6"
    & skf18("5","6","1","1","7","8","1") = "7"
    & skf18("5","6","1","1","7","9","1") = "8"
    & skf18("5","6","1","1","7","10","1") = "9"
    & skf18("5","6","1","1","8","1","1") = "7"
    & skf18("5","6","1","1","8","2","1") = "7"
    & skf18("5","6","1","1","8","3","1") = "7"
    & skf18("5","6","1","1","8","4","1") = "7"
    & skf18("5","6","1","1","8","5","1") = "7"
    & skf18("5","6","1","1","8","6","1") = "7"
    & skf18("5","6","1","1","8","7","1") = "7"
    & skf18("5","6","1","1","8","8","1") = "7"
    & skf18("5","6","1","1","8","9","1") = "8"
    & skf18("5","6","1","1","8","10","1") = "9"
    & skf18("5","6","1","1","9","1","1") = "8"
    & skf18("5","6","1","1","9","2","1") = "8"
    & skf18("5","6","1","1","9","3","1") = "8"
    & skf18("5","6","1","1","9","4","1") = "8"
    & skf18("5","6","1","1","9","5","1") = "8"
    & skf18("5","6","1","1","9","6","1") = "8"
    & skf18("5","6","1","1","9","7","1") = "8"
    & skf18("5","6","1","1","9","8","1") = "8"
    & skf18("5","6","1","1","9","9","1") = "8"
    & skf18("5","6","1","1","9","10","1") = "9"
    & skf18("5","6","1","1","10","1","1") = "9"
    & skf18("5","6","1","1","10","2","1") = "9"
    & skf18("5","6","1","1","10","3","1") = "9"
    & skf18("5","6","1","1","10","4","1") = "9"
    & skf18("5","6","1","1","10","5","1") = "9"
    & skf18("5","6","1","1","10","6","1") = "9"
    & skf18("5","6","1","1","10","7","1") = "9"
    & skf18("5","6","1","1","10","8","1") = "9"
    & skf18("5","6","1","1","10","9","1") = "9"
    & skf18("5","6","1","1","10","10","1") = "9"
    & skf18("5","6","1","2","1","1","1") = "5"
    & skf18("5","6","1","2","1","2","1") = "5"
    & skf18("5","6","1","2","1","3","1") = "5"
    & skf18("5","6","1","2","1","4","1") = "5"
    & skf18("5","6","1","2","1","5","1") = "5"
    & skf18("5","6","1","2","1","6","1") = "5"
    & skf18("5","6","1","2","1","7","1") = "6"
    & skf18("5","6","1","2","1","8","1") = "7"
    & skf18("5","6","1","2","1","9","1") = "8"
    & skf18("5","6","1","2","1","10","1") = "9"
    & skf18("5","6","1","2","2","1","1") = "5"
    & skf18("5","6","1","2","2","2","1") = "5"
    & skf18("5","6","1","2","2","3","1") = "5"
    & skf18("5","6","1","2","2","4","1") = "5"
    & skf18("5","6","1","2","2","5","1") = "5"
    & skf18("5","6","1","2","2","6","1") = "5"
    & skf18("5","6","1","2","2","7","1") = "6"
    & skf18("5","6","1","2","2","8","1") = "7"
    & skf18("5","6","1","2","2","9","1") = "8"
    & skf18("5","6","1","2","2","10","1") = "9"
    & skf18("5","6","1","2","3","1","1") = "5"
    & skf18("5","6","1","2","3","2","1") = "5"
    & skf18("5","6","1","2","3","3","1") = "5"
    & skf18("5","6","1","2","3","4","1") = "5"
    & skf18("5","6","1","2","3","5","1") = "5"
    & skf18("5","6","1","2","3","6","1") = "5"
    & skf18("5","6","1","2","3","7","1") = "6"
    & skf18("5","6","1","2","3","8","1") = "7"
    & skf18("5","6","1","2","3","9","1") = "8"
    & skf18("5","6","1","2","3","10","1") = "9"
    & skf18("5","6","1","2","4","1","1") = "5"
    & skf18("5","6","1","2","4","2","1") = "5"
    & skf18("5","6","1","2","4","3","1") = "5"
    & skf18("5","6","1","2","4","4","1") = "5"
    & skf18("5","6","1","2","4","5","1") = "5"
    & skf18("5","6","1","2","4","6","1") = "5"
    & skf18("5","6","1","2","4","7","1") = "6"
    & skf18("5","6","1","2","4","8","1") = "7"
    & skf18("5","6","1","2","4","9","1") = "8"
    & skf18("5","6","1","2","4","10","1") = "9"
    & skf18("5","6","1","2","5","1","1") = "5"
    & skf18("5","6","1","2","5","2","1") = "5"
    & skf18("5","6","1","2","5","3","1") = "5"
    & skf18("5","6","1","2","5","4","1") = "5"
    & skf18("5","6","1","2","5","5","1") = "5"
    & skf18("5","6","1","2","5","6","1") = "5"
    & skf18("5","6","1","2","5","7","1") = "6"
    & skf18("5","6","1","2","5","8","1") = "7"
    & skf18("5","6","1","2","5","9","1") = "8"
    & skf18("5","6","1","2","5","10","1") = "9"
    & skf18("5","6","1","2","6","1","1") = "5"
    & skf18("5","6","1","2","6","2","1") = "5"
    & skf18("5","6","1","2","6","3","1") = "5"
    & skf18("5","6","1","2","6","4","1") = "5"
    & skf18("5","6","1","2","6","5","1") = "5"
    & skf18("5","6","1","2","6","6","1") = "5"
    & skf18("5","6","1","2","6","7","1") = "6"
    & skf18("5","6","1","2","6","8","1") = "7"
    & skf18("5","6","1","2","6","9","1") = "8"
    & skf18("5","6","1","2","6","10","1") = "9"
    & skf18("5","6","1","2","7","1","1") = "6"
    & skf18("5","6","1","2","7","2","1") = "6"
    & skf18("5","6","1","2","7","3","1") = "6"
    & skf18("5","6","1","2","7","4","1") = "6"
    & skf18("5","6","1","2","7","5","1") = "6"
    & skf18("5","6","1","2","7","6","1") = "6"
    & skf18("5","6","1","2","7","7","1") = "6"
    & skf18("5","6","1","2","7","8","1") = "7"
    & skf18("5","6","1","2","7","9","1") = "8"
    & skf18("5","6","1","2","7","10","1") = "9"
    & skf18("5","6","1","2","8","1","1") = "7"
    & skf18("5","6","1","2","8","2","1") = "7"
    & skf18("5","6","1","2","8","3","1") = "7"
    & skf18("5","6","1","2","8","4","1") = "7"
    & skf18("5","6","1","2","8","5","1") = "7"
    & skf18("5","6","1","2","8","6","1") = "7"
    & skf18("5","6","1","2","8","7","1") = "7"
    & skf18("5","6","1","2","8","8","1") = "7"
    & skf18("5","6","1","2","8","9","1") = "8"
    & skf18("5","6","1","2","8","10","1") = "9"
    & skf18("5","6","1","2","9","1","1") = "8"
    & skf18("5","6","1","2","9","2","1") = "8"
    & skf18("5","6","1","2","9","3","1") = "8"
    & skf18("5","6","1","2","9","4","1") = "8"
    & skf18("5","6","1","2","9","5","1") = "8"
    & skf18("5","6","1","2","9","6","1") = "8"
    & skf18("5","6","1","2","9","7","1") = "8"
    & skf18("5","6","1","2","9","8","1") = "8"
    & skf18("5","6","1","2","9","9","1") = "8"
    & skf18("5","6","1","2","9","10","1") = "9"
    & skf18("5","6","1","2","10","1","1") = "9"
    & skf18("5","6","1","2","10","2","1") = "9"
    & skf18("5","6","1","2","10","3","1") = "9"
    & skf18("5","6","1","2","10","4","1") = "9"
    & skf18("5","6","1","2","10","5","1") = "9"
    & skf18("5","6","1","2","10","6","1") = "9"
    & skf18("5","6","1","2","10","7","1") = "9"
    & skf18("5","6","1","2","10","8","1") = "9"
    & skf18("5","6","1","2","10","9","1") = "9"
    & skf18("5","6","1","2","10","10","1") = "9"
    & skf18("5","6","1","3","1","1","1") = "5"
    & skf18("5","6","1","3","1","2","1") = "5"
    & skf18("5","6","1","3","1","3","1") = "5"
    & skf18("5","6","1","3","1","4","1") = "5"
    & skf18("5","6","1","3","1","5","1") = "5"
    & skf18("5","6","1","3","1","6","1") = "5"
    & skf18("5","6","1","3","1","7","1") = "6"
    & skf18("5","6","1","3","1","8","1") = "7"
    & skf18("5","6","1","3","1","9","1") = "8"
    & skf18("5","6","1","3","1","10","1") = "9"
    & skf18("5","6","1","3","2","1","1") = "5"
    & skf18("5","6","1","3","2","2","1") = "5"
    & skf18("5","6","1","3","2","3","1") = "5"
    & skf18("5","6","1","3","2","4","1") = "5"
    & skf18("5","6","1","3","2","5","1") = "5"
    & skf18("5","6","1","3","2","6","1") = "5"
    & skf18("5","6","1","3","2","7","1") = "6"
    & skf18("5","6","1","3","2","8","1") = "7"
    & skf18("5","6","1","3","2","9","1") = "8"
    & skf18("5","6","1","3","2","10","1") = "9"
    & skf18("5","6","1","3","3","1","1") = "5"
    & skf18("5","6","1","3","3","2","1") = "5"
    & skf18("5","6","1","3","3","3","1") = "5"
    & skf18("5","6","1","3","3","4","1") = "5"
    & skf18("5","6","1","3","3","5","1") = "5"
    & skf18("5","6","1","3","3","6","1") = "5"
    & skf18("5","6","1","3","3","7","1") = "6"
    & skf18("5","6","1","3","3","8","1") = "7"
    & skf18("5","6","1","3","3","9","1") = "8"
    & skf18("5","6","1","3","3","10","1") = "9"
    & skf18("5","6","1","3","4","1","1") = "5"
    & skf18("5","6","1","3","4","2","1") = "5"
    & skf18("5","6","1","3","4","3","1") = "5"
    & skf18("5","6","1","3","4","4","1") = "5"
    & skf18("5","6","1","3","4","5","1") = "5"
    & skf18("5","6","1","3","4","6","1") = "5"
    & skf18("5","6","1","3","4","7","1") = "6"
    & skf18("5","6","1","3","4","8","1") = "7"
    & skf18("5","6","1","3","4","9","1") = "8"
    & skf18("5","6","1","3","4","10","1") = "9"
    & skf18("5","6","1","3","5","1","1") = "5"
    & skf18("5","6","1","3","5","2","1") = "5"
    & skf18("5","6","1","3","5","3","1") = "5"
    & skf18("5","6","1","3","5","4","1") = "5"
    & skf18("5","6","1","3","5","5","1") = "5"
    & skf18("5","6","1","3","5","6","1") = "5"
    & skf18("5","6","1","3","5","7","1") = "6"
    & skf18("5","6","1","3","5","8","1") = "7"
    & skf18("5","6","1","3","5","9","1") = "8"
    & skf18("5","6","1","3","5","10","1") = "9"
    & skf18("5","6","1","3","6","1","1") = "5"
    & skf18("5","6","1","3","6","2","1") = "5"
    & skf18("5","6","1","3","6","3","1") = "5"
    & skf18("5","6","1","3","6","4","1") = "5"
    & skf18("5","6","1","3","6","5","1") = "5"
    & skf18("5","6","1","3","6","6","1") = "5"
    & skf18("5","6","1","3","6","7","1") = "6"
    & skf18("5","6","1","3","6","8","1") = "7"
    & skf18("5","6","1","3","6","9","1") = "8"
    & skf18("5","6","1","3","6","10","1") = "9"
    & skf18("5","6","1","3","7","1","1") = "6"
    & skf18("5","6","1","3","7","2","1") = "6"
    & skf18("5","6","1","3","7","3","1") = "6"
    & skf18("5","6","1","3","7","4","1") = "6"
    & skf18("5","6","1","3","7","5","1") = "6"
    & skf18("5","6","1","3","7","6","1") = "6"
    & skf18("5","6","1","3","7","7","1") = "6"
    & skf18("5","6","1","3","7","8","1") = "7"
    & skf18("5","6","1","3","7","9","1") = "8"
    & skf18("5","6","1","3","7","10","1") = "9"
    & skf18("5","6","1","3","8","1","1") = "7"
    & skf18("5","6","1","3","8","2","1") = "7"
    & skf18("5","6","1","3","8","3","1") = "7"
    & skf18("5","6","1","3","8","4","1") = "7"
    & skf18("5","6","1","3","8","5","1") = "7"
    & skf18("5","6","1","3","8","6","1") = "7"
    & skf18("5","6","1","3","8","7","1") = "7"
    & skf18("5","6","1","3","8","8","1") = "7"
    & skf18("5","6","1","3","8","9","1") = "8"
    & skf18("5","6","1","3","8","10","1") = "9"
    & skf18("5","6","1","3","9","1","1") = "8"
    & skf18("5","6","1","3","9","2","1") = "8"
    & skf18("5","6","1","3","9","3","1") = "8"
    & skf18("5","6","1","3","9","4","1") = "8"
    & skf18("5","6","1","3","9","5","1") = "8"
    & skf18("5","6","1","3","9","6","1") = "8"
    & skf18("5","6","1","3","9","7","1") = "8"
    & skf18("5","6","1","3","9","8","1") = "8"
    & skf18("5","6","1","3","9","9","1") = "8"
    & skf18("5","6","1","3","9","10","1") = "9"
    & skf18("5","6","1","3","10","1","1") = "9"
    & skf18("5","6","1","3","10","2","1") = "9"
    & skf18("5","6","1","3","10","3","1") = "9"
    & skf18("5","6","1","3","10","4","1") = "9"
    & skf18("5","6","1","3","10","5","1") = "9"
    & skf18("5","6","1","3","10","6","1") = "9"
    & skf18("5","6","1","3","10","7","1") = "9"
    & skf18("5","6","1","3","10","8","1") = "9"
    & skf18("5","6","1","3","10","9","1") = "9"
    & skf18("5","6","1","3","10","10","1") = "9"
    & skf18("5","6","1","4","1","1","1") = "5"
    & skf18("5","6","1","4","1","2","1") = "5"
    & skf18("5","6","1","4","1","3","1") = "5"
    & skf18("5","6","1","4","1","4","1") = "5"
    & skf18("5","6","1","4","1","5","1") = "5"
    & skf18("5","6","1","4","1","6","1") = "5"
    & skf18("5","6","1","4","1","7","1") = "6"
    & skf18("5","6","1","4","1","8","1") = "7"
    & skf18("5","6","1","4","1","9","1") = "8"
    & skf18("5","6","1","4","1","10","1") = "9"
    & skf18("5","6","1","4","2","1","1") = "5"
    & skf18("5","6","1","4","2","2","1") = "5"
    & skf18("5","6","1","4","2","3","1") = "5"
    & skf18("5","6","1","4","2","4","1") = "5"
    & skf18("5","6","1","4","2","5","1") = "5"
    & skf18("5","6","1","4","2","6","1") = "5"
    & skf18("5","6","1","4","2","7","1") = "6"
    & skf18("5","6","1","4","2","8","1") = "7"
    & skf18("5","6","1","4","2","9","1") = "8"
    & skf18("5","6","1","4","2","10","1") = "9"
    & skf18("5","6","1","4","3","1","1") = "5"
    & skf18("5","6","1","4","3","2","1") = "5"
    & skf18("5","6","1","4","3","3","1") = "5"
    & skf18("5","6","1","4","3","4","1") = "5"
    & skf18("5","6","1","4","3","5","1") = "5"
    & skf18("5","6","1","4","3","6","1") = "5"
    & skf18("5","6","1","4","3","7","1") = "6"
    & skf18("5","6","1","4","3","8","1") = "7"
    & skf18("5","6","1","4","3","9","1") = "8"
    & skf18("5","6","1","4","3","10","1") = "9"
    & skf18("5","6","1","4","4","1","1") = "5"
    & skf18("5","6","1","4","4","2","1") = "5"
    & skf18("5","6","1","4","4","3","1") = "5"
    & skf18("5","6","1","4","4","4","1") = "5"
    & skf18("5","6","1","4","4","5","1") = "5"
    & skf18("5","6","1","4","4","6","1") = "5"
    & skf18("5","6","1","4","4","7","1") = "6"
    & skf18("5","6","1","4","4","8","1") = "7"
    & skf18("5","6","1","4","4","9","1") = "8"
    & skf18("5","6","1","4","4","10","1") = "9"
    & skf18("5","6","1","4","5","1","1") = "5"
    & skf18("5","6","1","4","5","2","1") = "5"
    & skf18("5","6","1","4","5","3","1") = "5"
    & skf18("5","6","1","4","5","4","1") = "5"
    & skf18("5","6","1","4","5","5","1") = "5"
    & skf18("5","6","1","4","5","6","1") = "5"
    & skf18("5","6","1","4","5","7","1") = "6"
    & skf18("5","6","1","4","5","8","1") = "7"
    & skf18("5","6","1","4","5","9","1") = "8"
    & skf18("5","6","1","4","5","10","1") = "9"
    & skf18("5","6","1","4","6","1","1") = "5"
    & skf18("5","6","1","4","6","2","1") = "5"
    & skf18("5","6","1","4","6","3","1") = "5"
    & skf18("5","6","1","4","6","4","1") = "5"
    & skf18("5","6","1","4","6","5","1") = "5"
    & skf18("5","6","1","4","6","6","1") = "5"
    & skf18("5","6","1","4","6","7","1") = "6"
    & skf18("5","6","1","4","6","8","1") = "7"
    & skf18("5","6","1","4","6","9","1") = "8"
    & skf18("5","6","1","4","6","10","1") = "9"
    & skf18("5","6","1","4","7","1","1") = "6"
    & skf18("5","6","1","4","7","2","1") = "6"
    & skf18("5","6","1","4","7","3","1") = "6"
    & skf18("5","6","1","4","7","4","1") = "6"
    & skf18("5","6","1","4","7","5","1") = "6"
    & skf18("5","6","1","4","7","6","1") = "6"
    & skf18("5","6","1","4","7","7","1") = "6"
    & skf18("5","6","1","4","7","8","1") = "7"
    & skf18("5","6","1","4","7","9","1") = "8"
    & skf18("5","6","1","4","7","10","1") = "9"
    & skf18("5","6","1","4","8","1","1") = "7"
    & skf18("5","6","1","4","8","2","1") = "7"
    & skf18("5","6","1","4","8","3","1") = "7"
    & skf18("5","6","1","4","8","4","1") = "7"
    & skf18("5","6","1","4","8","5","1") = "7"
    & skf18("5","6","1","4","8","6","1") = "7"
    & skf18("5","6","1","4","8","7","1") = "7"
    & skf18("5","6","1","4","8","8","1") = "7"
    & skf18("5","6","1","4","8","9","1") = "8"
    & skf18("5","6","1","4","8","10","1") = "9"
    & skf18("5","6","1","4","9","1","1") = "8"
    & skf18("5","6","1","4","9","2","1") = "8"
    & skf18("5","6","1","4","9","3","1") = "8"
    & skf18("5","6","1","4","9","4","1") = "8"
    & skf18("5","6","1","4","9","5","1") = "8"
    & skf18("5","6","1","4","9","6","1") = "8"
    & skf18("5","6","1","4","9","7","1") = "8"
    & skf18("5","6","1","4","9","8","1") = "8"
    & skf18("5","6","1","4","9","9","1") = "8"
    & skf18("5","6","1","4","9","10","1") = "9"
    & skf18("5","6","1","4","10","1","1") = "9"
    & skf18("5","6","1","4","10","2","1") = "9"
    & skf18("5","6","1","4","10","3","1") = "9"
    & skf18("5","6","1","4","10","4","1") = "9"
    & skf18("5","6","1","4","10","5","1") = "9"
    & skf18("5","6","1","4","10","6","1") = "9"
    & skf18("5","6","1","4","10","7","1") = "9"
    & skf18("5","6","1","4","10","8","1") = "9"
    & skf18("5","6","1","4","10","9","1") = "9"
    & skf18("5","6","1","4","10","10","1") = "9"
    & skf18("5","6","1","5","1","1","1") = "5"
    & skf18("5","6","1","5","1","2","1") = "5"
    & skf18("5","6","1","5","1","3","1") = "5"
    & skf18("5","6","1","5","1","4","1") = "5"
    & skf18("5","6","1","5","1","5","1") = "5"
    & skf18("5","6","1","5","1","6","1") = "5"
    & skf18("5","6","1","5","1","7","1") = "6"
    & skf18("5","6","1","5","1","8","1") = "7"
    & skf18("5","6","1","5","1","9","1") = "8"
    & skf18("5","6","1","5","1","10","1") = "9"
    & skf18("5","6","1","5","2","1","1") = "5"
    & skf18("5","6","1","5","2","2","1") = "5"
    & skf18("5","6","1","5","2","3","1") = "5"
    & skf18("5","6","1","5","2","4","1") = "5"
    & skf18("5","6","1","5","2","5","1") = "5"
    & skf18("5","6","1","5","2","6","1") = "5"
    & skf18("5","6","1","5","2","7","1") = "6"
    & skf18("5","6","1","5","2","8","1") = "7"
    & skf18("5","6","1","5","2","9","1") = "8"
    & skf18("5","6","1","5","2","10","1") = "9"
    & skf18("5","6","1","5","3","1","1") = "5"
    & skf18("5","6","1","5","3","2","1") = "5"
    & skf18("5","6","1","5","3","3","1") = "5"
    & skf18("5","6","1","5","3","4","1") = "5"
    & skf18("5","6","1","5","3","5","1") = "5"
    & skf18("5","6","1","5","3","6","1") = "5"
    & skf18("5","6","1","5","3","7","1") = "6"
    & skf18("5","6","1","5","3","8","1") = "7"
    & skf18("5","6","1","5","3","9","1") = "8"
    & skf18("5","6","1","5","3","10","1") = "9"
    & skf18("5","6","1","5","4","1","1") = "5"
    & skf18("5","6","1","5","4","2","1") = "5"
    & skf18("5","6","1","5","4","3","1") = "5"
    & skf18("5","6","1","5","4","4","1") = "5"
    & skf18("5","6","1","5","4","5","1") = "5"
    & skf18("5","6","1","5","4","6","1") = "5"
    & skf18("5","6","1","5","4","7","1") = "6"
    & skf18("5","6","1","5","4","8","1") = "7"
    & skf18("5","6","1","5","4","9","1") = "8"
    & skf18("5","6","1","5","4","10","1") = "9"
    & skf18("5","6","1","5","5","1","1") = "5"
    & skf18("5","6","1","5","5","2","1") = "5"
    & skf18("5","6","1","5","5","3","1") = "5"
    & skf18("5","6","1","5","5","4","1") = "5"
    & skf18("5","6","1","5","5","5","1") = "5"
    & skf18("5","6","1","5","5","6","1") = "5"
    & skf18("5","6","1","5","5","7","1") = "6"
    & skf18("5","6","1","5","5","8","1") = "7"
    & skf18("5","6","1","5","5","9","1") = "8"
    & skf18("5","6","1","5","5","10","1") = "9"
    & skf18("5","6","1","5","6","1","1") = "5"
    & skf18("5","6","1","5","6","2","1") = "5"
    & skf18("5","6","1","5","6","3","1") = "5"
    & skf18("5","6","1","5","6","4","1") = "5"
    & skf18("5","6","1","5","6","5","1") = "5"
    & skf18("5","6","1","5","6","6","1") = "5"
    & skf18("5","6","1","5","6","7","1") = "6"
    & skf18("5","6","1","5","6","8","1") = "7"
    & skf18("5","6","1","5","6","9","1") = "8"
    & skf18("5","6","1","5","6","10","1") = "9"
    & skf18("5","6","1","5","7","1","1") = "6"
    & skf18("5","6","1","5","7","2","1") = "6"
    & skf18("5","6","1","5","7","3","1") = "6"
    & skf18("5","6","1","5","7","4","1") = "6"
    & skf18("5","6","1","5","7","5","1") = "6"
    & skf18("5","6","1","5","7","6","1") = "6"
    & skf18("5","6","1","5","7","7","1") = "6"
    & skf18("5","6","1","5","7","8","1") = "7"
    & skf18("5","6","1","5","7","9","1") = "8"
    & skf18("5","6","1","5","7","10","1") = "9"
    & skf18("5","6","1","5","8","1","1") = "7"
    & skf18("5","6","1","5","8","2","1") = "7"
    & skf18("5","6","1","5","8","3","1") = "7"
    & skf18("5","6","1","5","8","4","1") = "7"
    & skf18("5","6","1","5","8","5","1") = "7"
    & skf18("5","6","1","5","8","6","1") = "7"
    & skf18("5","6","1","5","8","7","1") = "7"
    & skf18("5","6","1","5","8","8","1") = "7"
    & skf18("5","6","1","5","8","9","1") = "8"
    & skf18("5","6","1","5","8","10","1") = "9"
    & skf18("5","6","1","5","9","1","1") = "8"
    & skf18("5","6","1","5","9","2","1") = "8"
    & skf18("5","6","1","5","9","3","1") = "8"
    & skf18("5","6","1","5","9","4","1") = "8"
    & skf18("5","6","1","5","9","5","1") = "8"
    & skf18("5","6","1","5","9","6","1") = "8"
    & skf18("5","6","1","5","9","7","1") = "8"
    & skf18("5","6","1","5","9","8","1") = "8"
    & skf18("5","6","1","5","9","9","1") = "8"
    & skf18("5","6","1","5","9","10","1") = "9"
    & skf18("5","6","1","5","10","1","1") = "9"
    & skf18("5","6","1","5","10","2","1") = "9"
    & skf18("5","6","1","5","10","3","1") = "9"
    & skf18("5","6","1","5","10","4","1") = "9"
    & skf18("5","6","1","5","10","5","1") = "9"
    & skf18("5","6","1","5","10","6","1") = "9"
    & skf18("5","6","1","5","10","7","1") = "9"
    & skf18("5","6","1","5","10","8","1") = "9"
    & skf18("5","6","1","5","10","9","1") = "9"
    & skf18("5","6","1","5","10","10","1") = "9"
    & skf18("5","6","1","6","1","1","1") = "5"
    & skf18("5","6","1","6","1","2","1") = "5"
    & skf18("5","6","1","6","1","3","1") = "5"
    & skf18("5","6","1","6","1","4","1") = "5"
    & skf18("5","6","1","6","1","5","1") = "5"
    & skf18("5","6","1","6","1","6","1") = "5"
    & skf18("5","6","1","6","1","7","1") = "6"
    & skf18("5","6","1","6","1","8","1") = "7"
    & skf18("5","6","1","6","1","9","1") = "8"
    & skf18("5","6","1","6","1","10","1") = "9"
    & skf18("5","6","1","6","2","1","1") = "5"
    & skf18("5","6","1","6","2","2","1") = "5"
    & skf18("5","6","1","6","2","3","1") = "5"
    & skf18("5","6","1","6","2","4","1") = "5"
    & skf18("5","6","1","6","2","5","1") = "5"
    & skf18("5","6","1","6","2","6","1") = "5"
    & skf18("5","6","1","6","2","7","1") = "6"
    & skf18("5","6","1","6","2","8","1") = "7"
    & skf18("5","6","1","6","2","9","1") = "8"
    & skf18("5","6","1","6","2","10","1") = "9"
    & skf18("5","6","1","6","3","1","1") = "5"
    & skf18("5","6","1","6","3","2","1") = "5"
    & skf18("5","6","1","6","3","3","1") = "5"
    & skf18("5","6","1","6","3","4","1") = "5"
    & skf18("5","6","1","6","3","5","1") = "5"
    & skf18("5","6","1","6","3","6","1") = "5"
    & skf18("5","6","1","6","3","7","1") = "6"
    & skf18("5","6","1","6","3","8","1") = "7"
    & skf18("5","6","1","6","3","9","1") = "8"
    & skf18("5","6","1","6","3","10","1") = "9"
    & skf18("5","6","1","6","4","1","1") = "5"
    & skf18("5","6","1","6","4","2","1") = "5"
    & skf18("5","6","1","6","4","3","1") = "5"
    & skf18("5","6","1","6","4","4","1") = "5"
    & skf18("5","6","1","6","4","5","1") = "5"
    & skf18("5","6","1","6","4","6","1") = "5"
    & skf18("5","6","1","6","4","7","1") = "6"
    & skf18("5","6","1","6","4","8","1") = "7"
    & skf18("5","6","1","6","4","9","1") = "8"
    & skf18("5","6","1","6","4","10","1") = "9"
    & skf18("5","6","1","6","5","1","1") = "5"
    & skf18("5","6","1","6","5","2","1") = "5"
    & skf18("5","6","1","6","5","3","1") = "5"
    & skf18("5","6","1","6","5","4","1") = "5"
    & skf18("5","6","1","6","5","5","1") = "5"
    & skf18("5","6","1","6","5","6","1") = "5"
    & skf18("5","6","1","6","5","7","1") = "6"
    & skf18("5","6","1","6","5","8","1") = "7"
    & skf18("5","6","1","6","5","9","1") = "8"
    & skf18("5","6","1","6","5","10","1") = "9"
    & skf18("5","6","1","6","6","1","1") = "5"
    & skf18("5","6","1","6","6","2","1") = "5"
    & skf18("5","6","1","6","6","3","1") = "5"
    & skf18("5","6","1","6","6","4","1") = "5"
    & skf18("5","6","1","6","6","5","1") = "5"
    & skf18("5","6","1","6","6","6","1") = "5"
    & skf18("5","6","1","6","6","7","1") = "6"
    & skf18("5","6","1","6","6","8","1") = "7"
    & skf18("5","6","1","6","6","9","1") = "8"
    & skf18("5","6","1","6","6","10","1") = "9"
    & skf18("5","6","1","6","7","1","1") = "6"
    & skf18("5","6","1","6","7","2","1") = "6"
    & skf18("5","6","1","6","7","3","1") = "6"
    & skf18("5","6","1","6","7","4","1") = "6"
    & skf18("5","6","1","6","7","5","1") = "6"
    & skf18("5","6","1","6","7","6","1") = "6"
    & skf18("5","6","1","6","7","7","1") = "6"
    & skf18("5","6","1","6","7","8","1") = "7"
    & skf18("5","6","1","6","7","9","1") = "8"
    & skf18("5","6","1","6","7","10","1") = "9"
    & skf18("5","6","1","6","8","1","1") = "7"
    & skf18("5","6","1","6","8","2","1") = "7"
    & skf18("5","6","1","6","8","3","1") = "7"
    & skf18("5","6","1","6","8","4","1") = "7"
    & skf18("5","6","1","6","8","5","1") = "7"
    & skf18("5","6","1","6","8","6","1") = "7"
    & skf18("5","6","1","6","8","7","1") = "7"
    & skf18("5","6","1","6","8","8","1") = "7"
    & skf18("5","6","1","6","8","9","1") = "8"
    & skf18("5","6","1","6","8","10","1") = "9"
    & skf18("5","6","1","6","9","1","1") = "8"
    & skf18("5","6","1","6","9","2","1") = "8"
    & skf18("5","6","1","6","9","3","1") = "8"
    & skf18("5","6","1","6","9","4","1") = "8"
    & skf18("5","6","1","6","9","5","1") = "8"
    & skf18("5","6","1","6","9","6","1") = "8"
    & skf18("5","6","1","6","9","7","1") = "8"
    & skf18("5","6","1","6","9","8","1") = "8"
    & skf18("5","6","1","6","9","9","1") = "8"
    & skf18("5","6","1","6","9","10","1") = "9"
    & skf18("5","6","1","6","10","1","1") = "9"
    & skf18("5","6","1","6","10","2","1") = "9"
    & skf18("5","6","1","6","10","3","1") = "9"
    & skf18("5","6","1","6","10","4","1") = "9"
    & skf18("5","6","1","6","10","5","1") = "9"
    & skf18("5","6","1","6","10","6","1") = "9"
    & skf18("5","6","1","6","10","7","1") = "9"
    & skf18("5","6","1","6","10","8","1") = "9"
    & skf18("5","6","1","6","10","9","1") = "9"
    & skf18("5","6","1","6","10","10","1") = "9"
    & skf18("5","6","1","7","1","1","1") = "6"
    & skf18("5","6","1","7","1","2","1") = "6"
    & skf18("5","6","1","7","1","3","1") = "6"
    & skf18("5","6","1","7","1","4","1") = "6"
    & skf18("5","6","1","7","1","5","1") = "6"
    & skf18("5","6","1","7","1","6","1") = "6"
    & skf18("5","6","1","7","1","7","1") = "6"
    & skf18("5","6","1","7","1","8","1") = "7"
    & skf18("5","6","1","7","1","9","1") = "8"
    & skf18("5","6","1","7","1","10","1") = "9"
    & skf18("5","6","1","7","2","1","1") = "6"
    & skf18("5","6","1","7","2","2","1") = "6"
    & skf18("5","6","1","7","2","3","1") = "6"
    & skf18("5","6","1","7","2","4","1") = "6"
    & skf18("5","6","1","7","2","5","1") = "6"
    & skf18("5","6","1","7","2","6","1") = "6"
    & skf18("5","6","1","7","2","7","1") = "6"
    & skf18("5","6","1","7","2","8","1") = "7"
    & skf18("5","6","1","7","2","9","1") = "8"
    & skf18("5","6","1","7","2","10","1") = "9"
    & skf18("5","6","1","7","3","1","1") = "6"
    & skf18("5","6","1","7","3","2","1") = "6"
    & skf18("5","6","1","7","3","3","1") = "6"
    & skf18("5","6","1","7","3","4","1") = "6"
    & skf18("5","6","1","7","3","5","1") = "6"
    & skf18("5","6","1","7","3","6","1") = "6"
    & skf18("5","6","1","7","3","7","1") = "6"
    & skf18("5","6","1","7","3","8","1") = "7"
    & skf18("5","6","1","7","3","9","1") = "8"
    & skf18("5","6","1","7","3","10","1") = "9"
    & skf18("5","6","1","7","4","1","1") = "6"
    & skf18("5","6","1","7","4","2","1") = "6"
    & skf18("5","6","1","7","4","3","1") = "6"
    & skf18("5","6","1","7","4","4","1") = "6"
    & skf18("5","6","1","7","4","5","1") = "6"
    & skf18("5","6","1","7","4","6","1") = "6"
    & skf18("5","6","1","7","4","7","1") = "6"
    & skf18("5","6","1","7","4","8","1") = "7"
    & skf18("5","6","1","7","4","9","1") = "8"
    & skf18("5","6","1","7","4","10","1") = "9"
    & skf18("5","6","1","7","5","1","1") = "6"
    & skf18("5","6","1","7","5","2","1") = "6"
    & skf18("5","6","1","7","5","3","1") = "6"
    & skf18("5","6","1","7","5","4","1") = "6"
    & skf18("5","6","1","7","5","5","1") = "6"
    & skf18("5","6","1","7","5","6","1") = "6"
    & skf18("5","6","1","7","5","7","1") = "6"
    & skf18("5","6","1","7","5","8","1") = "7"
    & skf18("5","6","1","7","5","9","1") = "8"
    & skf18("5","6","1","7","5","10","1") = "9"
    & skf18("5","6","1","7","6","1","1") = "6"
    & skf18("5","6","1","7","6","2","1") = "6"
    & skf18("5","6","1","7","6","3","1") = "6"
    & skf18("5","6","1","7","6","4","1") = "6"
    & skf18("5","6","1","7","6","5","1") = "6"
    & skf18("5","6","1","7","6","6","1") = "6"
    & skf18("5","6","1","7","6","7","1") = "6"
    & skf18("5","6","1","7","6","8","1") = "7"
    & skf18("5","6","1","7","6","9","1") = "8"
    & skf18("5","6","1","7","6","10","1") = "9"
    & skf18("5","6","1","7","7","1","1") = "6"
    & skf18("5","6","1","7","7","2","1") = "6"
    & skf18("5","6","1","7","7","3","1") = "6"
    & skf18("5","6","1","7","7","4","1") = "6"
    & skf18("5","6","1","7","7","5","1") = "6"
    & skf18("5","6","1","7","7","6","1") = "6"
    & skf18("5","6","1","7","7","7","1") = "6"
    & skf18("5","6","1","7","7","8","1") = "7"
    & skf18("5","6","1","7","7","9","1") = "8"
    & skf18("5","6","1","7","7","10","1") = "9"
    & skf18("5","6","1","7","8","1","1") = "7"
    & skf18("5","6","1","7","8","2","1") = "7"
    & skf18("5","6","1","7","8","3","1") = "7"
    & skf18("5","6","1","7","8","4","1") = "7"
    & skf18("5","6","1","7","8","5","1") = "7"
    & skf18("5","6","1","7","8","6","1") = "7"
    & skf18("5","6","1","7","8","7","1") = "7"
    & skf18("5","6","1","7","8","8","1") = "7"
    & skf18("5","6","1","7","8","9","1") = "8"
    & skf18("5","6","1","7","8","10","1") = "9"
    & skf18("5","6","1","7","9","1","1") = "8"
    & skf18("5","6","1","7","9","2","1") = "8"
    & skf18("5","6","1","7","9","3","1") = "8"
    & skf18("5","6","1","7","9","4","1") = "8"
    & skf18("5","6","1","7","9","5","1") = "8"
    & skf18("5","6","1","7","9","6","1") = "8"
    & skf18("5","6","1","7","9","7","1") = "8"
    & skf18("5","6","1","7","9","8","1") = "8"
    & skf18("5","6","1","7","9","9","1") = "8"
    & skf18("5","6","1","7","9","10","1") = "9"
    & skf18("5","6","1","7","10","1","1") = "9"
    & skf18("5","6","1","7","10","2","1") = "9"
    & skf18("5","6","1","7","10","3","1") = "9"
    & skf18("5","6","1","7","10","4","1") = "9"
    & skf18("5","6","1","7","10","5","1") = "9"
    & skf18("5","6","1","7","10","6","1") = "9"
    & skf18("5","6","1","7","10","7","1") = "9"
    & skf18("5","6","1","7","10","8","1") = "9"
    & skf18("5","6","1","7","10","9","1") = "9"
    & skf18("5","6","1","7","10","10","1") = "9"
    & skf18("5","6","1","8","1","1","1") = "7"
    & skf18("5","6","1","8","1","2","1") = "7"
    & skf18("5","6","1","8","1","3","1") = "7"
    & skf18("5","6","1","8","1","4","1") = "7"
    & skf18("5","6","1","8","1","5","1") = "7"
    & skf18("5","6","1","8","1","6","1") = "7"
    & skf18("5","6","1","8","1","7","1") = "7"
    & skf18("5","6","1","8","1","8","1") = "7"
    & skf18("5","6","1","8","1","9","1") = "8"
    & skf18("5","6","1","8","1","10","1") = "9"
    & skf18("5","6","1","8","2","1","1") = "7"
    & skf18("5","6","1","8","2","2","1") = "7"
    & skf18("5","6","1","8","2","3","1") = "7"
    & skf18("5","6","1","8","2","4","1") = "7"
    & skf18("5","6","1","8","2","5","1") = "7"
    & skf18("5","6","1","8","2","6","1") = "7"
    & skf18("5","6","1","8","2","7","1") = "7"
    & skf18("5","6","1","8","2","8","1") = "7"
    & skf18("5","6","1","8","2","9","1") = "8"
    & skf18("5","6","1","8","2","10","1") = "9"
    & skf18("5","6","1","8","3","1","1") = "7"
    & skf18("5","6","1","8","3","2","1") = "7"
    & skf18("5","6","1","8","3","3","1") = "7"
    & skf18("5","6","1","8","3","4","1") = "7"
    & skf18("5","6","1","8","3","5","1") = "7"
    & skf18("5","6","1","8","3","6","1") = "7"
    & skf18("5","6","1","8","3","7","1") = "7"
    & skf18("5","6","1","8","3","8","1") = "7"
    & skf18("5","6","1","8","3","9","1") = "8"
    & skf18("5","6","1","8","3","10","1") = "9"
    & skf18("5","6","1","8","4","1","1") = "7"
    & skf18("5","6","1","8","4","2","1") = "7"
    & skf18("5","6","1","8","4","3","1") = "7"
    & skf18("5","6","1","8","4","4","1") = "7"
    & skf18("5","6","1","8","4","5","1") = "7"
    & skf18("5","6","1","8","4","6","1") = "7"
    & skf18("5","6","1","8","4","7","1") = "7"
    & skf18("5","6","1","8","4","8","1") = "7"
    & skf18("5","6","1","8","4","9","1") = "8"
    & skf18("5","6","1","8","4","10","1") = "9"
    & skf18("5","6","1","8","5","1","1") = "7"
    & skf18("5","6","1","8","5","2","1") = "7"
    & skf18("5","6","1","8","5","3","1") = "7"
    & skf18("5","6","1","8","5","4","1") = "7"
    & skf18("5","6","1","8","5","5","1") = "7"
    & skf18("5","6","1","8","5","6","1") = "7"
    & skf18("5","6","1","8","5","7","1") = "7"
    & skf18("5","6","1","8","5","8","1") = "7"
    & skf18("5","6","1","8","5","9","1") = "8"
    & skf18("5","6","1","8","5","10","1") = "9"
    & skf18("5","6","1","8","6","1","1") = "7"
    & skf18("5","6","1","8","6","2","1") = "7"
    & skf18("5","6","1","8","6","3","1") = "7"
    & skf18("5","6","1","8","6","4","1") = "7"
    & skf18("5","6","1","8","6","5","1") = "7"
    & skf18("5","6","1","8","6","6","1") = "7"
    & skf18("5","6","1","8","6","7","1") = "7"
    & skf18("5","6","1","8","6","8","1") = "7"
    & skf18("5","6","1","8","6","9","1") = "8"
    & skf18("5","6","1","8","6","10","1") = "9"
    & skf18("5","6","1","8","7","1","1") = "7"
    & skf18("5","6","1","8","7","2","1") = "7"
    & skf18("5","6","1","8","7","3","1") = "7"
    & skf18("5","6","1","8","7","4","1") = "7"
    & skf18("5","6","1","8","7","5","1") = "7"
    & skf18("5","6","1","8","7","6","1") = "7"
    & skf18("5","6","1","8","7","7","1") = "7"
    & skf18("5","6","1","8","7","8","1") = "7"
    & skf18("5","6","1","8","7","9","1") = "8"
    & skf18("5","6","1","8","7","10","1") = "9"
    & skf18("5","6","1","8","8","1","1") = "7"
    & skf18("5","6","1","8","8","2","1") = "7"
    & skf18("5","6","1","8","8","3","1") = "7"
    & skf18("5","6","1","8","8","4","1") = "7"
    & skf18("5","6","1","8","8","5","1") = "7"
    & skf18("5","6","1","8","8","6","1") = "7"
    & skf18("5","6","1","8","8","7","1") = "7"
    & skf18("5","6","1","8","8","8","1") = "7"
    & skf18("5","6","1","8","8","9","1") = "8"
    & skf18("5","6","1","8","8","10","1") = "9"
    & skf18("5","6","1","8","9","1","1") = "8"
    & skf18("5","6","1","8","9","2","1") = "8"
    & skf18("5","6","1","8","9","3","1") = "8"
    & skf18("5","6","1","8","9","4","1") = "8"
    & skf18("5","6","1","8","9","5","1") = "8"
    & skf18("5","6","1","8","9","6","1") = "8"
    & skf18("5","6","1","8","9","7","1") = "8"
    & skf18("5","6","1","8","9","8","1") = "8"
    & skf18("5","6","1","8","9","9","1") = "8"
    & skf18("5","6","1","8","9","10","1") = "9"
    & skf18("5","6","1","8","10","1","1") = "9"
    & skf18("5","6","1","8","10","2","1") = "9"
    & skf18("5","6","1","8","10","3","1") = "9"
    & skf18("5","6","1","8","10","4","1") = "9"
    & skf18("5","6","1","8","10","5","1") = "9"
    & skf18("5","6","1","8","10","6","1") = "9"
    & skf18("5","6","1","8","10","7","1") = "9"
    & skf18("5","6","1","8","10","8","1") = "9"
    & skf18("5","6","1","8","10","9","1") = "9"
    & skf18("5","6","1","8","10","10","1") = "9"
    & skf18("5","6","1","9","1","1","1") = "8"
    & skf18("5","6","1","9","1","2","1") = "8"
    & skf18("5","6","1","9","1","3","1") = "8"
    & skf18("5","6","1","9","1","4","1") = "8"
    & skf18("5","6","1","9","1","5","1") = "8"
    & skf18("5","6","1","9","1","6","1") = "8"
    & skf18("5","6","1","9","1","7","1") = "8"
    & skf18("5","6","1","9","1","8","1") = "8"
    & skf18("5","6","1","9","1","9","1") = "8"
    & skf18("5","6","1","9","1","10","1") = "9"
    & skf18("5","6","1","9","2","1","1") = "8"
    & skf18("5","6","1","9","2","2","1") = "8"
    & skf18("5","6","1","9","2","3","1") = "8"
    & skf18("5","6","1","9","2","4","1") = "8"
    & skf18("5","6","1","9","2","5","1") = "8"
    & skf18("5","6","1","9","2","6","1") = "8"
    & skf18("5","6","1","9","2","7","1") = "8"
    & skf18("5","6","1","9","2","8","1") = "8"
    & skf18("5","6","1","9","2","9","1") = "8"
    & skf18("5","6","1","9","2","10","1") = "9"
    & skf18("5","6","1","9","3","1","1") = "8"
    & skf18("5","6","1","9","3","2","1") = "8"
    & skf18("5","6","1","9","3","3","1") = "8"
    & skf18("5","6","1","9","3","4","1") = "8"
    & skf18("5","6","1","9","3","5","1") = "8"
    & skf18("5","6","1","9","3","6","1") = "8"
    & skf18("5","6","1","9","3","7","1") = "8"
    & skf18("5","6","1","9","3","8","1") = "8"
    & skf18("5","6","1","9","3","9","1") = "8"
    & skf18("5","6","1","9","3","10","1") = "9"
    & skf18("5","6","1","9","4","1","1") = "8"
    & skf18("5","6","1","9","4","2","1") = "8"
    & skf18("5","6","1","9","4","3","1") = "8"
    & skf18("5","6","1","9","4","4","1") = "8"
    & skf18("5","6","1","9","4","5","1") = "8"
    & skf18("5","6","1","9","4","6","1") = "8"
    & skf18("5","6","1","9","4","7","1") = "8"
    & skf18("5","6","1","9","4","8","1") = "8"
    & skf18("5","6","1","9","4","9","1") = "8"
    & skf18("5","6","1","9","4","10","1") = "9"
    & skf18("5","6","1","9","5","1","1") = "8"
    & skf18("5","6","1","9","5","2","1") = "8"
    & skf18("5","6","1","9","5","3","1") = "8"
    & skf18("5","6","1","9","5","4","1") = "8"
    & skf18("5","6","1","9","5","5","1") = "8"
    & skf18("5","6","1","9","5","6","1") = "8"
    & skf18("5","6","1","9","5","7","1") = "8"
    & skf18("5","6","1","9","5","8","1") = "8"
    & skf18("5","6","1","9","5","9","1") = "8"
    & skf18("5","6","1","9","5","10","1") = "9"
    & skf18("5","6","1","9","6","1","1") = "8"
    & skf18("5","6","1","9","6","2","1") = "8"
    & skf18("5","6","1","9","6","3","1") = "8"
    & skf18("5","6","1","9","6","4","1") = "8"
    & skf18("5","6","1","9","6","5","1") = "8"
    & skf18("5","6","1","9","6","6","1") = "8"
    & skf18("5","6","1","9","6","7","1") = "8"
    & skf18("5","6","1","9","6","8","1") = "8"
    & skf18("5","6","1","9","6","9","1") = "8"
    & skf18("5","6","1","9","6","10","1") = "9"
    & skf18("5","6","1","9","7","1","1") = "8"
    & skf18("5","6","1","9","7","2","1") = "8"
    & skf18("5","6","1","9","7","3","1") = "8"
    & skf18("5","6","1","9","7","4","1") = "8"
    & skf18("5","6","1","9","7","5","1") = "8"
    & skf18("5","6","1","9","7","6","1") = "8"
    & skf18("5","6","1","9","7","7","1") = "8"
    & skf18("5","6","1","9","7","8","1") = "8"
    & skf18("5","6","1","9","7","9","1") = "8"
    & skf18("5","6","1","9","7","10","1") = "9"
    & skf18("5","6","1","9","8","1","1") = "8"
    & skf18("5","6","1","9","8","2","1") = "8"
    & skf18("5","6","1","9","8","3","1") = "8"
    & skf18("5","6","1","9","8","4","1") = "8"
    & skf18("5","6","1","9","8","5","1") = "8"
    & skf18("5","6","1","9","8","6","1") = "8"
    & skf18("5","6","1","9","8","7","1") = "8"
    & skf18("5","6","1","9","8","8","1") = "8"
    & skf18("5","6","1","9","8","9","1") = "8"
    & skf18("5","6","1","9","8","10","1") = "9"
    & skf18("5","6","1","9","9","1","1") = "8"
    & skf18("5","6","1","9","9","2","1") = "8"
    & skf18("5","6","1","9","9","3","1") = "8"
    & skf18("5","6","1","9","9","4","1") = "8"
    & skf18("5","6","1","9","9","5","1") = "8"
    & skf18("5","6","1","9","9","6","1") = "8"
    & skf18("5","6","1","9","9","7","1") = "8"
    & skf18("5","6","1","9","9","8","1") = "8"
    & skf18("5","6","1","9","9","9","1") = "8"
    & skf18("5","6","1","9","9","10","1") = "9"
    & skf18("5","6","1","9","10","1","1") = "9"
    & skf18("5","6","1","9","10","2","1") = "9"
    & skf18("5","6","1","9","10","3","1") = "9"
    & skf18("5","6","1","9","10","4","1") = "9"
    & skf18("5","6","1","9","10","5","1") = "9"
    & skf18("5","6","1","9","10","6","1") = "9"
    & skf18("5","6","1","9","10","7","1") = "9"
    & skf18("5","6","1","9","10","8","1") = "9"
    & skf18("5","6","1","9","10","9","1") = "9"
    & skf18("5","6","1","9","10","10","1") = "9"
    & skf18("5","6","1","10","1","1","1") = "9"
    & skf18("5","6","1","10","1","2","1") = "9"
    & skf18("5","6","1","10","1","3","1") = "9"
    & skf18("5","6","1","10","1","4","1") = "9"
    & skf18("5","6","1","10","1","5","1") = "9"
    & skf18("5","6","1","10","1","6","1") = "9"
    & skf18("5","6","1","10","1","7","1") = "9"
    & skf18("5","6","1","10","1","8","1") = "9"
    & skf18("5","6","1","10","1","9","1") = "9"
    & skf18("5","6","1","10","1","10","1") = "9"
    & skf18("5","6","1","10","2","1","1") = "9"
    & skf18("5","6","1","10","2","2","1") = "9"
    & skf18("5","6","1","10","2","3","1") = "9"
    & skf18("5","6","1","10","2","4","1") = "9"
    & skf18("5","6","1","10","2","5","1") = "9"
    & skf18("5","6","1","10","2","6","1") = "9"
    & skf18("5","6","1","10","2","7","1") = "9"
    & skf18("5","6","1","10","2","8","1") = "9"
    & skf18("5","6","1","10","2","9","1") = "9"
    & skf18("5","6","1","10","2","10","1") = "9"
    & skf18("5","6","1","10","3","1","1") = "9"
    & skf18("5","6","1","10","3","2","1") = "9"
    & skf18("5","6","1","10","3","3","1") = "9"
    & skf18("5","6","1","10","3","4","1") = "9"
    & skf18("5","6","1","10","3","5","1") = "9"
    & skf18("5","6","1","10","3","6","1") = "9"
    & skf18("5","6","1","10","3","7","1") = "9"
    & skf18("5","6","1","10","3","8","1") = "9"
    & skf18("5","6","1","10","3","9","1") = "9"
    & skf18("5","6","1","10","3","10","1") = "9"
    & skf18("5","6","1","10","4","1","1") = "9"
    & skf18("5","6","1","10","4","2","1") = "9"
    & skf18("5","6","1","10","4","3","1") = "9"
    & skf18("5","6","1","10","4","4","1") = "9"
    & skf18("5","6","1","10","4","5","1") = "9"
    & skf18("5","6","1","10","4","6","1") = "9"
    & skf18("5","6","1","10","4","7","1") = "9"
    & skf18("5","6","1","10","4","8","1") = "9"
    & skf18("5","6","1","10","4","9","1") = "9"
    & skf18("5","6","1","10","4","10","1") = "9"
    & skf18("5","6","1","10","5","1","1") = "9"
    & skf18("5","6","1","10","5","2","1") = "9"
    & skf18("5","6","1","10","5","3","1") = "9"
    & skf18("5","6","1","10","5","4","1") = "9"
    & skf18("5","6","1","10","5","5","1") = "9"
    & skf18("5","6","1","10","5","6","1") = "9"
    & skf18("5","6","1","10","5","7","1") = "9"
    & skf18("5","6","1","10","5","8","1") = "9"
    & skf18("5","6","1","10","5","9","1") = "9"
    & skf18("5","6","1","10","5","10","1") = "9"
    & skf18("5","6","1","10","6","1","1") = "9"
    & skf18("5","6","1","10","6","2","1") = "9"
    & skf18("5","6","1","10","6","3","1") = "9"
    & skf18("5","6","1","10","6","4","1") = "9"
    & skf18("5","6","1","10","6","5","1") = "9"
    & skf18("5","6","1","10","6","6","1") = "9"
    & skf18("5","6","1","10","6","7","1") = "9"
    & skf18("5","6","1","10","6","8","1") = "9"
    & skf18("5","6","1","10","6","9","1") = "9"
    & skf18("5","6","1","10","6","10","1") = "9"
    & skf18("5","6","1","10","7","1","1") = "9"
    & skf18("5","6","1","10","7","2","1") = "9"
    & skf18("5","6","1","10","7","3","1") = "9"
    & skf18("5","6","1","10","7","4","1") = "9"
    & skf18("5","6","1","10","7","5","1") = "9"
    & skf18("5","6","1","10","7","6","1") = "9"
    & skf18("5","6","1","10","7","7","1") = "9"
    & skf18("5","6","1","10","7","8","1") = "9"
    & skf18("5","6","1","10","7","9","1") = "9"
    & skf18("5","6","1","10","7","10","1") = "9"
    & skf18("5","6","1","10","8","1","1") = "9"
    & skf18("5","6","1","10","8","2","1") = "9"
    & skf18("5","6","1","10","8","3","1") = "9"
    & skf18("5","6","1","10","8","4","1") = "9"
    & skf18("5","6","1","10","8","5","1") = "9"
    & skf18("5","6","1","10","8","6","1") = "9"
    & skf18("5","6","1","10","8","7","1") = "9"
    & skf18("5","6","1","10","8","8","1") = "9"
    & skf18("5","6","1","10","8","9","1") = "9"
    & skf18("5","6","1","10","8","10","1") = "9"
    & skf18("5","6","1","10","9","1","1") = "9"
    & skf18("5","6","1","10","9","2","1") = "9"
    & skf18("5","6","1","10","9","3","1") = "9"
    & skf18("5","6","1","10","9","4","1") = "9"
    & skf18("5","6","1","10","9","5","1") = "9"
    & skf18("5","6","1","10","9","6","1") = "9"
    & skf18("5","6","1","10","9","7","1") = "9"
    & skf18("5","6","1","10","9","8","1") = "9"
    & skf18("5","6","1","10","9","9","1") = "9"
    & skf18("5","6","1","10","9","10","1") = "9"
    & skf18("5","6","1","10","10","1","1") = "9"
    & skf18("5","6","1","10","10","2","1") = "9"
    & skf18("5","6","1","10","10","3","1") = "9"
    & skf18("5","6","1","10","10","4","1") = "9"
    & skf18("5","6","1","10","10","5","1") = "9"
    & skf18("5","6","1","10","10","6","1") = "9"
    & skf18("5","6","1","10","10","7","1") = "9"
    & skf18("5","6","1","10","10","8","1") = "9"
    & skf18("5","6","1","10","10","9","1") = "9"
    & skf18("5","6","1","10","10","10","1") = "9"
    & skf18("5","6","2","1","1","1","1") = "5"
    & skf18("5","6","2","1","1","2","1") = "5"
    & skf18("5","6","2","1","1","3","1") = "5"
    & skf18("5","6","2","1","1","4","1") = "5"
    & skf18("5","6","2","1","1","5","1") = "5"
    & skf18("5","6","2","1","1","6","1") = "5"
    & skf18("5","6","2","1","1","7","1") = "6"
    & skf18("5","6","2","1","1","8","1") = "7"
    & skf18("5","6","2","1","1","9","1") = "8"
    & skf18("5","6","2","1","1","10","1") = "9"
    & skf18("5","6","2","1","2","1","1") = "5"
    & skf18("5","6","2","1","2","2","1") = "5"
    & skf18("5","6","2","1","2","3","1") = "5"
    & skf18("5","6","2","1","2","4","1") = "5"
    & skf18("5","6","2","1","2","5","1") = "5"
    & skf18("5","6","2","1","2","6","1") = "5"
    & skf18("5","6","2","1","2","7","1") = "6"
    & skf18("5","6","2","1","2","8","1") = "7"
    & skf18("5","6","2","1","2","9","1") = "8"
    & skf18("5","6","2","1","2","10","1") = "9"
    & skf18("5","6","2","1","3","1","1") = "5"
    & skf18("5","6","2","1","3","2","1") = "5"
    & skf18("5","6","2","1","3","3","1") = "5"
    & skf18("5","6","2","1","3","4","1") = "5"
    & skf18("5","6","2","1","3","5","1") = "5"
    & skf18("5","6","2","1","3","6","1") = "5"
    & skf18("5","6","2","1","3","7","1") = "6"
    & skf18("5","6","2","1","3","8","1") = "7"
    & skf18("5","6","2","1","3","9","1") = "8"
    & skf18("5","6","2","1","3","10","1") = "9"
    & skf18("5","6","2","1","4","1","1") = "5"
    & skf18("5","6","2","1","4","2","1") = "5"
    & skf18("5","6","2","1","4","3","1") = "5"
    & skf18("5","6","2","1","4","4","1") = "5"
    & skf18("5","6","2","1","4","5","1") = "5"
    & skf18("5","6","2","1","4","6","1") = "5"
    & skf18("5","6","2","1","4","7","1") = "6"
    & skf18("5","6","2","1","4","8","1") = "7"
    & skf18("5","6","2","1","4","9","1") = "8"
    & skf18("5","6","2","1","4","10","1") = "9"
    & skf18("5","6","2","1","5","1","1") = "5"
    & skf18("5","6","2","1","5","2","1") = "5"
    & skf18("5","6","2","1","5","3","1") = "5"
    & skf18("5","6","2","1","5","4","1") = "5"
    & skf18("5","6","2","1","5","5","1") = "5"
    & skf18("5","6","2","1","5","6","1") = "5"
    & skf18("5","6","2","1","5","7","1") = "6"
    & skf18("5","6","2","1","5","8","1") = "7"
    & skf18("5","6","2","1","5","9","1") = "8"
    & skf18("5","6","2","1","5","10","1") = "9"
    & skf18("5","6","2","1","6","1","1") = "5"
    & skf18("5","6","2","1","6","2","1") = "5"
    & skf18("5","6","2","1","6","3","1") = "5"
    & skf18("5","6","2","1","6","4","1") = "5"
    & skf18("5","6","2","1","6","5","1") = "5"
    & skf18("5","6","2","1","6","6","1") = "5"
    & skf18("5","6","2","1","6","7","1") = "6"
    & skf18("5","6","2","1","6","8","1") = "7"
    & skf18("5","6","2","1","6","9","1") = "8"
    & skf18("5","6","2","1","6","10","1") = "9"
    & skf18("5","6","2","1","7","1","1") = "6"
    & skf18("5","6","2","1","7","2","1") = "6"
    & skf18("5","6","2","1","7","3","1") = "6"
    & skf18("5","6","2","1","7","4","1") = "6"
    & skf18("5","6","2","1","7","5","1") = "6"
    & skf18("5","6","2","1","7","6","1") = "6"
    & skf18("5","6","2","1","7","7","1") = "6"
    & skf18("5","6","2","1","7","8","1") = "7"
    & skf18("5","6","2","1","7","9","1") = "8"
    & skf18("5","6","2","1","7","10","1") = "9"
    & skf18("5","6","2","1","8","1","1") = "7"
    & skf18("5","6","2","1","8","2","1") = "7"
    & skf18("5","6","2","1","8","3","1") = "7"
    & skf18("5","6","2","1","8","4","1") = "7"
    & skf18("5","6","2","1","8","5","1") = "7"
    & skf18("5","6","2","1","8","6","1") = "7"
    & skf18("5","6","2","1","8","7","1") = "7"
    & skf18("5","6","2","1","8","8","1") = "7"
    & skf18("5","6","2","1","8","9","1") = "8"
    & skf18("5","6","2","1","8","10","1") = "9"
    & skf18("5","6","2","1","9","1","1") = "8"
    & skf18("5","6","2","1","9","2","1") = "8"
    & skf18("5","6","2","1","9","3","1") = "8"
    & skf18("5","6","2","1","9","4","1") = "8"
    & skf18("5","6","2","1","9","5","1") = "8"
    & skf18("5","6","2","1","9","6","1") = "8"
    & skf18("5","6","2","1","9","7","1") = "8"
    & skf18("5","6","2","1","9","8","1") = "8"
    & skf18("5","6","2","1","9","9","1") = "8"
    & skf18("5","6","2","1","9","10","1") = "9"
    & skf18("5","6","2","1","10","1","1") = "9"
    & skf18("5","6","2","1","10","2","1") = "9"
    & skf18("5","6","2","1","10","3","1") = "9"
    & skf18("5","6","2","1","10","4","1") = "9"
    & skf18("5","6","2","1","10","5","1") = "9"
    & skf18("5","6","2","1","10","6","1") = "9"
    & skf18("5","6","2","1","10","7","1") = "9"
    & skf18("5","6","2","1","10","8","1") = "9"
    & skf18("5","6","2","1","10","9","1") = "9"
    & skf18("5","6","2","1","10","10","1") = "9"
    & skf18("5","6","2","2","1","1","1") = "5"
    & skf18("5","6","2","2","1","2","1") = "5"
    & skf18("5","6","2","2","1","3","1") = "5"
    & skf18("5","6","2","2","1","4","1") = "5"
    & skf18("5","6","2","2","1","5","1") = "5"
    & skf18("5","6","2","2","1","6","1") = "5"
    & skf18("5","6","2","2","1","7","1") = "6"
    & skf18("5","6","2","2","1","8","1") = "7"
    & skf18("5","6","2","2","1","9","1") = "8"
    & skf18("5","6","2","2","1","10","1") = "9"
    & skf18("5","6","2","2","2","1","1") = "5"
    & skf18("5","6","2","2","2","2","1") = "5"
    & skf18("5","6","2","2","2","3","1") = "5"
    & skf18("5","6","2","2","2","4","1") = "5"
    & skf18("5","6","2","2","2","5","1") = "5"
    & skf18("5","6","2","2","2","6","1") = "5"
    & skf18("5","6","2","2","2","7","1") = "6"
    & skf18("5","6","2","2","2","8","1") = "7"
    & skf18("5","6","2","2","2","9","1") = "8"
    & skf18("5","6","2","2","2","10","1") = "9"
    & skf18("5","6","2","2","3","1","1") = "5"
    & skf18("5","6","2","2","3","2","1") = "5"
    & skf18("5","6","2","2","3","3","1") = "5"
    & skf18("5","6","2","2","3","4","1") = "5"
    & skf18("5","6","2","2","3","5","1") = "5"
    & skf18("5","6","2","2","3","6","1") = "5"
    & skf18("5","6","2","2","3","7","1") = "6"
    & skf18("5","6","2","2","3","8","1") = "7"
    & skf18("5","6","2","2","3","9","1") = "8"
    & skf18("5","6","2","2","3","10","1") = "9"
    & skf18("5","6","2","2","4","1","1") = "5"
    & skf18("5","6","2","2","4","2","1") = "5"
    & skf18("5","6","2","2","4","3","1") = "5"
    & skf18("5","6","2","2","4","4","1") = "5"
    & skf18("5","6","2","2","4","5","1") = "5"
    & skf18("5","6","2","2","4","6","1") = "5"
    & skf18("5","6","2","2","4","7","1") = "6"
    & skf18("5","6","2","2","4","8","1") = "7"
    & skf18("5","6","2","2","4","9","1") = "8"
    & skf18("5","6","2","2","4","10","1") = "9"
    & skf18("5","6","2","2","5","1","1") = "5"
    & skf18("5","6","2","2","5","2","1") = "5"
    & skf18("5","6","2","2","5","3","1") = "5"
    & skf18("5","6","2","2","5","4","1") = "5"
    & skf18("5","6","2","2","5","5","1") = "5"
    & skf18("5","6","2","2","5","6","1") = "5"
    & skf18("5","6","2","2","5","7","1") = "6"
    & skf18("5","6","2","2","5","8","1") = "7"
    & skf18("5","6","2","2","5","9","1") = "8"
    & skf18("5","6","2","2","5","10","1") = "9"
    & skf18("5","6","2","2","6","1","1") = "5"
    & skf18("5","6","2","2","6","2","1") = "5"
    & skf18("5","6","2","2","6","3","1") = "5"
    & skf18("5","6","2","2","6","4","1") = "5"
    & skf18("5","6","2","2","6","5","1") = "5"
    & skf18("5","6","2","2","6","6","1") = "5"
    & skf18("5","6","2","2","6","7","1") = "6"
    & skf18("5","6","2","2","6","8","1") = "7"
    & skf18("5","6","2","2","6","9","1") = "8"
    & skf18("5","6","2","2","6","10","1") = "9"
    & skf18("5","6","2","2","7","1","1") = "6"
    & skf18("5","6","2","2","7","2","1") = "6"
    & skf18("5","6","2","2","7","3","1") = "6"
    & skf18("5","6","2","2","7","4","1") = "6"
    & skf18("5","6","2","2","7","5","1") = "6"
    & skf18("5","6","2","2","7","6","1") = "6"
    & skf18("5","6","2","2","7","7","1") = "6"
    & skf18("5","6","2","2","7","8","1") = "7"
    & skf18("5","6","2","2","7","9","1") = "8"
    & skf18("5","6","2","2","7","10","1") = "9"
    & skf18("5","6","2","2","8","1","1") = "7"
    & skf18("5","6","2","2","8","2","1") = "7"
    & skf18("5","6","2","2","8","3","1") = "7"
    & skf18("5","6","2","2","8","4","1") = "7"
    & skf18("5","6","2","2","8","5","1") = "7"
    & skf18("5","6","2","2","8","6","1") = "7"
    & skf18("5","6","2","2","8","7","1") = "7"
    & skf18("5","6","2","2","8","8","1") = "7"
    & skf18("5","6","2","2","8","9","1") = "8"
    & skf18("5","6","2","2","8","10","1") = "9"
    & skf18("5","6","2","2","9","1","1") = "8"
    & skf18("5","6","2","2","9","2","1") = "8"
    & skf18("5","6","2","2","9","3","1") = "8"
    & skf18("5","6","2","2","9","4","1") = "8"
    & skf18("5","6","2","2","9","5","1") = "8"
    & skf18("5","6","2","2","9","6","1") = "8"
    & skf18("5","6","2","2","9","7","1") = "8"
    & skf18("5","6","2","2","9","8","1") = "8"
    & skf18("5","6","2","2","9","9","1") = "8"
    & skf18("5","6","2","2","9","10","1") = "9"
    & skf18("5","6","2","2","10","1","1") = "9"
    & skf18("5","6","2","2","10","2","1") = "9"
    & skf18("5","6","2","2","10","3","1") = "9"
    & skf18("5","6","2","2","10","4","1") = "9"
    & skf18("5","6","2","2","10","5","1") = "9"
    & skf18("5","6","2","2","10","6","1") = "9"
    & skf18("5","6","2","2","10","7","1") = "9"
    & skf18("5","6","2","2","10","8","1") = "9"
    & skf18("5","6","2","2","10","9","1") = "9"
    & skf18("5","6","2","2","10","10","1") = "9"
    & skf18("5","6","2","3","1","1","1") = "5"
    & skf18("5","6","2","3","1","2","1") = "5"
    & skf18("5","6","2","3","1","3","1") = "5"
    & skf18("5","6","2","3","1","4","1") = "5"
    & skf18("5","6","2","3","1","5","1") = "5"
    & skf18("5","6","2","3","1","6","1") = "5"
    & skf18("5","6","2","3","1","7","1") = "6"
    & skf18("5","6","2","3","1","8","1") = "7"
    & skf18("5","6","2","3","1","9","1") = "8"
    & skf18("5","6","2","3","1","10","1") = "9"
    & skf18("5","6","2","3","2","1","1") = "5"
    & skf18("5","6","2","3","2","2","1") = "5"
    & skf18("5","6","2","3","2","3","1") = "5"
    & skf18("5","6","2","3","2","4","1") = "5"
    & skf18("5","6","2","3","2","5","1") = "5"
    & skf18("5","6","2","3","2","6","1") = "5"
    & skf18("5","6","2","3","2","7","1") = "6"
    & skf18("5","6","2","3","2","8","1") = "7"
    & skf18("5","6","2","3","2","9","1") = "8"
    & skf18("5","6","2","3","2","10","1") = "9"
    & skf18("5","6","2","3","3","1","1") = "5"
    & skf18("5","6","2","3","3","2","1") = "5"
    & skf18("5","6","2","3","3","3","1") = "5"
    & skf18("5","6","2","3","3","4","1") = "5"
    & skf18("5","6","2","3","3","5","1") = "5"
    & skf18("5","6","2","3","3","6","1") = "5"
    & skf18("5","6","2","3","3","7","1") = "6"
    & skf18("5","6","2","3","3","8","1") = "7"
    & skf18("5","6","2","3","3","9","1") = "8"
    & skf18("5","6","2","3","3","10","1") = "9"
    & skf18("5","6","2","3","4","1","1") = "5"
    & skf18("5","6","2","3","4","2","1") = "5"
    & skf18("5","6","2","3","4","3","1") = "5"
    & skf18("5","6","2","3","4","4","1") = "5"
    & skf18("5","6","2","3","4","5","1") = "5"
    & skf18("5","6","2","3","4","6","1") = "5"
    & skf18("5","6","2","3","4","7","1") = "6"
    & skf18("5","6","2","3","4","8","1") = "7"
    & skf18("5","6","2","3","4","9","1") = "8"
    & skf18("5","6","2","3","4","10","1") = "9"
    & skf18("5","6","2","3","5","1","1") = "5"
    & skf18("5","6","2","3","5","2","1") = "5"
    & skf18("5","6","2","3","5","3","1") = "5"
    & skf18("5","6","2","3","5","4","1") = "5"
    & skf18("5","6","2","3","5","5","1") = "5"
    & skf18("5","6","2","3","5","6","1") = "5"
    & skf18("5","6","2","3","5","7","1") = "6"
    & skf18("5","6","2","3","5","8","1") = "7"
    & skf18("5","6","2","3","5","9","1") = "8"
    & skf18("5","6","2","3","5","10","1") = "9"
    & skf18("5","6","2","3","6","1","1") = "5"
    & skf18("5","6","2","3","6","2","1") = "5"
    & skf18("5","6","2","3","6","3","1") = "5"
    & skf18("5","6","2","3","6","4","1") = "5"
    & skf18("5","6","2","3","6","5","1") = "5"
    & skf18("5","6","2","3","6","6","1") = "5"
    & skf18("5","6","2","3","6","7","1") = "6"
    & skf18("5","6","2","3","6","8","1") = "7"
    & skf18("5","6","2","3","6","9","1") = "8"
    & skf18("5","6","2","3","6","10","1") = "9"
    & skf18("5","6","2","3","7","1","1") = "6"
    & skf18("5","6","2","3","7","2","1") = "6"
    & skf18("5","6","2","3","7","3","1") = "6"
    & skf18("5","6","2","3","7","4","1") = "6"
    & skf18("5","6","2","3","7","5","1") = "6"
    & skf18("5","6","2","3","7","6","1") = "6"
    & skf18("5","6","2","3","7","7","1") = "6"
    & skf18("5","6","2","3","7","8","1") = "7"
    & skf18("5","6","2","3","7","9","1") = "8"
    & skf18("5","6","2","3","7","10","1") = "9"
    & skf18("5","6","2","3","8","1","1") = "7"
    & skf18("5","6","2","3","8","2","1") = "7"
    & skf18("5","6","2","3","8","3","1") = "7"
    & skf18("5","6","2","3","8","4","1") = "7"
    & skf18("5","6","2","3","8","5","1") = "7"
    & skf18("5","6","2","3","8","6","1") = "7"
    & skf18("5","6","2","3","8","7","1") = "7"
    & skf18("5","6","2","3","8","8","1") = "7"
    & skf18("5","6","2","3","8","9","1") = "8"
    & skf18("5","6","2","3","8","10","1") = "9"
    & skf18("5","6","2","3","9","1","1") = "8"
    & skf18("5","6","2","3","9","2","1") = "8"
    & skf18("5","6","2","3","9","3","1") = "8"
    & skf18("5","6","2","3","9","4","1") = "8"
    & skf18("5","6","2","3","9","5","1") = "8"
    & skf18("5","6","2","3","9","6","1") = "8"
    & skf18("5","6","2","3","9","7","1") = "8"
    & skf18("5","6","2","3","9","8","1") = "8"
    & skf18("5","6","2","3","9","9","1") = "8"
    & skf18("5","6","2","3","9","10","1") = "9"
    & skf18("5","6","2","3","10","1","1") = "9"
    & skf18("5","6","2","3","10","2","1") = "9"
    & skf18("5","6","2","3","10","3","1") = "9"
    & skf18("5","6","2","3","10","4","1") = "9"
    & skf18("5","6","2","3","10","5","1") = "9"
    & skf18("5","6","2","3","10","6","1") = "9"
    & skf18("5","6","2","3","10","7","1") = "9"
    & skf18("5","6","2","3","10","8","1") = "9"
    & skf18("5","6","2","3","10","9","1") = "9"
    & skf18("5","6","2","3","10","10","1") = "9"
    & skf18("5","6","2","4","1","1","1") = "5"
    & skf18("5","6","2","4","1","2","1") = "5"
    & skf18("5","6","2","4","1","3","1") = "5"
    & skf18("5","6","2","4","1","4","1") = "5"
    & skf18("5","6","2","4","1","5","1") = "5"
    & skf18("5","6","2","4","1","6","1") = "5"
    & skf18("5","6","2","4","1","7","1") = "6"
    & skf18("5","6","2","4","1","8","1") = "7"
    & skf18("5","6","2","4","1","9","1") = "8"
    & skf18("5","6","2","4","1","10","1") = "9"
    & skf18("5","6","2","4","2","1","1") = "5"
    & skf18("5","6","2","4","2","2","1") = "5"
    & skf18("5","6","2","4","2","3","1") = "5"
    & skf18("5","6","2","4","2","4","1") = "5"
    & skf18("5","6","2","4","2","5","1") = "5"
    & skf18("5","6","2","4","2","6","1") = "5"
    & skf18("5","6","2","4","2","7","1") = "6"
    & skf18("5","6","2","4","2","8","1") = "7"
    & skf18("5","6","2","4","2","9","1") = "8"
    & skf18("5","6","2","4","2","10","1") = "9"
    & skf18("5","6","2","4","3","1","1") = "5"
    & skf18("5","6","2","4","3","2","1") = "5"
    & skf18("5","6","2","4","3","3","1") = "5"
    & skf18("5","6","2","4","3","4","1") = "5"
    & skf18("5","6","2","4","3","5","1") = "5"
    & skf18("5","6","2","4","3","6","1") = "5"
    & skf18("5","6","2","4","3","7","1") = "6"
    & skf18("5","6","2","4","3","8","1") = "7"
    & skf18("5","6","2","4","3","9","1") = "8"
    & skf18("5","6","2","4","3","10","1") = "9"
    & skf18("5","6","2","4","4","1","1") = "5"
    & skf18("5","6","2","4","4","2","1") = "5"
    & skf18("5","6","2","4","4","3","1") = "5"
    & skf18("5","6","2","4","4","4","1") = "5"
    & skf18("5","6","2","4","4","5","1") = "5"
    & skf18("5","6","2","4","4","6","1") = "5"
    & skf18("5","6","2","4","4","7","1") = "6"
    & skf18("5","6","2","4","4","8","1") = "7"
    & skf18("5","6","2","4","4","9","1") = "8"
    & skf18("5","6","2","4","4","10","1") = "9"
    & skf18("5","6","2","4","5","1","1") = "5"
    & skf18("5","6","2","4","5","2","1") = "5"
    & skf18("5","6","2","4","5","3","1") = "5"
    & skf18("5","6","2","4","5","4","1") = "5"
    & skf18("5","6","2","4","5","5","1") = "5"
    & skf18("5","6","2","4","5","6","1") = "5"
    & skf18("5","6","2","4","5","7","1") = "6"
    & skf18("5","6","2","4","5","8","1") = "7"
    & skf18("5","6","2","4","5","9","1") = "8"
    & skf18("5","6","2","4","5","10","1") = "9"
    & skf18("5","6","2","4","6","1","1") = "5"
    & skf18("5","6","2","4","6","2","1") = "5"
    & skf18("5","6","2","4","6","3","1") = "5"
    & skf18("5","6","2","4","6","4","1") = "5"
    & skf18("5","6","2","4","6","5","1") = "5"
    & skf18("5","6","2","4","6","6","1") = "5"
    & skf18("5","6","2","4","6","7","1") = "6"
    & skf18("5","6","2","4","6","8","1") = "7"
    & skf18("5","6","2","4","6","9","1") = "8"
    & skf18("5","6","2","4","6","10","1") = "9"
    & skf18("5","6","2","4","7","1","1") = "6"
    & skf18("5","6","2","4","7","2","1") = "6"
    & skf18("5","6","2","4","7","3","1") = "6"
    & skf18("5","6","2","4","7","4","1") = "6"
    & skf18("5","6","2","4","7","5","1") = "6"
    & skf18("5","6","2","4","7","6","1") = "6"
    & skf18("5","6","2","4","7","7","1") = "6"
    & skf18("5","6","2","4","7","8","1") = "7"
    & skf18("5","6","2","4","7","9","1") = "8"
    & skf18("5","6","2","4","7","10","1") = "9"
    & skf18("5","6","2","4","8","1","1") = "7"
    & skf18("5","6","2","4","8","2","1") = "7"
    & skf18("5","6","2","4","8","3","1") = "7"
    & skf18("5","6","2","4","8","4","1") = "7"
    & skf18("5","6","2","4","8","5","1") = "7"
    & skf18("5","6","2","4","8","6","1") = "7"
    & skf18("5","6","2","4","8","7","1") = "7"
    & skf18("5","6","2","4","8","8","1") = "7"
    & skf18("5","6","2","4","8","9","1") = "8"
    & skf18("5","6","2","4","8","10","1") = "9"
    & skf18("5","6","2","4","9","1","1") = "8"
    & skf18("5","6","2","4","9","2","1") = "8"
    & skf18("5","6","2","4","9","3","1") = "8"
    & skf18("5","6","2","4","9","4","1") = "8"
    & skf18("5","6","2","4","9","5","1") = "8"
    & skf18("5","6","2","4","9","6","1") = "8"
    & skf18("5","6","2","4","9","7","1") = "8"
    & skf18("5","6","2","4","9","8","1") = "8"
    & skf18("5","6","2","4","9","9","1") = "8"
    & skf18("5","6","2","4","9","10","1") = "9"
    & skf18("5","6","2","4","10","1","1") = "9"
    & skf18("5","6","2","4","10","2","1") = "9"
    & skf18("5","6","2","4","10","3","1") = "9"
    & skf18("5","6","2","4","10","4","1") = "9"
    & skf18("5","6","2","4","10","5","1") = "9"
    & skf18("5","6","2","4","10","6","1") = "9"
    & skf18("5","6","2","4","10","7","1") = "9"
    & skf18("5","6","2","4","10","8","1") = "9"
    & skf18("5","6","2","4","10","9","1") = "9"
    & skf18("5","6","2","4","10","10","1") = "9"
    & skf18("5","6","2","5","1","1","1") = "5"
    & skf18("5","6","2","5","1","2","1") = "5"
    & skf18("5","6","2","5","1","3","1") = "5"
    & skf18("5","6","2","5","1","4","1") = "5"
    & skf18("5","6","2","5","1","5","1") = "5"
    & skf18("5","6","2","5","1","6","1") = "5"
    & skf18("5","6","2","5","1","7","1") = "6"
    & skf18("5","6","2","5","1","8","1") = "7"
    & skf18("5","6","2","5","1","9","1") = "8"
    & skf18("5","6","2","5","1","10","1") = "9"
    & skf18("5","6","2","5","2","1","1") = "5"
    & skf18("5","6","2","5","2","2","1") = "5"
    & skf18("5","6","2","5","2","3","1") = "5"
    & skf18("5","6","2","5","2","4","1") = "5"
    & skf18("5","6","2","5","2","5","1") = "5"
    & skf18("5","6","2","5","2","6","1") = "5"
    & skf18("5","6","2","5","2","7","1") = "6"
    & skf18("5","6","2","5","2","8","1") = "7"
    & skf18("5","6","2","5","2","9","1") = "8"
    & skf18("5","6","2","5","2","10","1") = "9"
    & skf18("5","6","2","5","3","1","1") = "5"
    & skf18("5","6","2","5","3","2","1") = "5"
    & skf18("5","6","2","5","3","3","1") = "5"
    & skf18("5","6","2","5","3","4","1") = "5"
    & skf18("5","6","2","5","3","5","1") = "5"
    & skf18("5","6","2","5","3","6","1") = "5"
    & skf18("5","6","2","5","3","7","1") = "6"
    & skf18("5","6","2","5","3","8","1") = "7"
    & skf18("5","6","2","5","3","9","1") = "8"
    & skf18("5","6","2","5","3","10","1") = "9"
    & skf18("5","6","2","5","4","1","1") = "5"
    & skf18("5","6","2","5","4","2","1") = "5"
    & skf18("5","6","2","5","4","3","1") = "5"
    & skf18("5","6","2","5","4","4","1") = "5"
    & skf18("5","6","2","5","4","5","1") = "5"
    & skf18("5","6","2","5","4","6","1") = "5"
    & skf18("5","6","2","5","4","7","1") = "6"
    & skf18("5","6","2","5","4","8","1") = "7"
    & skf18("5","6","2","5","4","9","1") = "8"
    & skf18("5","6","2","5","4","10","1") = "9"
    & skf18("5","6","2","5","5","1","1") = "5"
    & skf18("5","6","2","5","5","2","1") = "5"
    & skf18("5","6","2","5","5","3","1") = "5"
    & skf18("5","6","2","5","5","4","1") = "5"
    & skf18("5","6","2","5","5","5","1") = "5"
    & skf18("5","6","2","5","5","6","1") = "5"
    & skf18("5","6","2","5","5","7","1") = "6"
    & skf18("5","6","2","5","5","8","1") = "7"
    & skf18("5","6","2","5","5","9","1") = "8"
    & skf18("5","6","2","5","5","10","1") = "9"
    & skf18("5","6","2","5","6","1","1") = "5"
    & skf18("5","6","2","5","6","2","1") = "5"
    & skf18("5","6","2","5","6","3","1") = "5"
    & skf18("5","6","2","5","6","4","1") = "5"
    & skf18("5","6","2","5","6","5","1") = "5"
    & skf18("5","6","2","5","6","6","1") = "5"
    & skf18("5","6","2","5","6","7","1") = "6"
    & skf18("5","6","2","5","6","8","1") = "7"
    & skf18("5","6","2","5","6","9","1") = "8"
    & skf18("5","6","2","5","6","10","1") = "9"
    & skf18("5","6","2","5","7","1","1") = "6"
    & skf18("5","6","2","5","7","2","1") = "6"
    & skf18("5","6","2","5","7","3","1") = "6"
    & skf18("5","6","2","5","7","4","1") = "6"
    & skf18("5","6","2","5","7","5","1") = "6"
    & skf18("5","6","2","5","7","6","1") = "6"
    & skf18("5","6","2","5","7","7","1") = "6"
    & skf18("5","6","2","5","7","8","1") = "7"
    & skf18("5","6","2","5","7","9","1") = "8"
    & skf18("5","6","2","5","7","10","1") = "9"
    & skf18("5","6","2","5","8","1","1") = "7"
    & skf18("5","6","2","5","8","2","1") = "7"
    & skf18("5","6","2","5","8","3","1") = "7"
    & skf18("5","6","2","5","8","4","1") = "7"
    & skf18("5","6","2","5","8","5","1") = "7"
    & skf18("5","6","2","5","8","6","1") = "7"
    & skf18("5","6","2","5","8","7","1") = "7"
    & skf18("5","6","2","5","8","8","1") = "7"
    & skf18("5","6","2","5","8","9","1") = "8"
    & skf18("5","6","2","5","8","10","1") = "9"
    & skf18("5","6","2","5","9","1","1") = "8"
    & skf18("5","6","2","5","9","2","1") = "8"
    & skf18("5","6","2","5","9","3","1") = "8"
    & skf18("5","6","2","5","9","4","1") = "8"
    & skf18("5","6","2","5","9","5","1") = "8"
    & skf18("5","6","2","5","9","6","1") = "8"
    & skf18("5","6","2","5","9","7","1") = "8"
    & skf18("5","6","2","5","9","8","1") = "8"
    & skf18("5","6","2","5","9","9","1") = "8"
    & skf18("5","6","2","5","9","10","1") = "9"
    & skf18("5","6","2","5","10","1","1") = "9"
    & skf18("5","6","2","5","10","2","1") = "9"
    & skf18("5","6","2","5","10","3","1") = "9"
    & skf18("5","6","2","5","10","4","1") = "9"
    & skf18("5","6","2","5","10","5","1") = "9"
    & skf18("5","6","2","5","10","6","1") = "9"
    & skf18("5","6","2","5","10","7","1") = "9"
    & skf18("5","6","2","5","10","8","1") = "9"
    & skf18("5","6","2","5","10","9","1") = "9"
    & skf18("5","6","2","5","10","10","1") = "9"
    & skf18("5","6","2","6","1","1","1") = "5"
    & skf18("5","6","2","6","1","2","1") = "5"
    & skf18("5","6","2","6","1","3","1") = "5"
    & skf18("5","6","2","6","1","4","1") = "5"
    & skf18("5","6","2","6","1","5","1") = "5"
    & skf18("5","6","2","6","1","6","1") = "5"
    & skf18("5","6","2","6","1","7","1") = "6"
    & skf18("5","6","2","6","1","8","1") = "7"
    & skf18("5","6","2","6","1","9","1") = "8"
    & skf18("5","6","2","6","1","10","1") = "9"
    & skf18("5","6","2","6","2","1","1") = "5"
    & skf18("5","6","2","6","2","2","1") = "5"
    & skf18("5","6","2","6","2","3","1") = "5"
    & skf18("5","6","2","6","2","4","1") = "5"
    & skf18("5","6","2","6","2","5","1") = "5"
    & skf18("5","6","2","6","2","6","1") = "5"
    & skf18("5","6","2","6","2","7","1") = "6"
    & skf18("5","6","2","6","2","8","1") = "7"
    & skf18("5","6","2","6","2","9","1") = "8"
    & skf18("5","6","2","6","2","10","1") = "9"
    & skf18("5","6","2","6","3","1","1") = "5"
    & skf18("5","6","2","6","3","2","1") = "5"
    & skf18("5","6","2","6","3","3","1") = "5"
    & skf18("5","6","2","6","3","4","1") = "5"
    & skf18("5","6","2","6","3","5","1") = "5"
    & skf18("5","6","2","6","3","6","1") = "5"
    & skf18("5","6","2","6","3","7","1") = "6"
    & skf18("5","6","2","6","3","8","1") = "7"
    & skf18("5","6","2","6","3","9","1") = "8"
    & skf18("5","6","2","6","3","10","1") = "9"
    & skf18("5","6","2","6","4","1","1") = "5"
    & skf18("5","6","2","6","4","2","1") = "5"
    & skf18("5","6","2","6","4","3","1") = "5"
    & skf18("5","6","2","6","4","4","1") = "5"
    & skf18("5","6","2","6","4","5","1") = "5"
    & skf18("5","6","2","6","4","6","1") = "5"
    & skf18("5","6","2","6","4","7","1") = "6"
    & skf18("5","6","2","6","4","8","1") = "7"
    & skf18("5","6","2","6","4","9","1") = "8"
    & skf18("5","6","2","6","4","10","1") = "9"
    & skf18("5","6","2","6","5","1","1") = "5"
    & skf18("5","6","2","6","5","2","1") = "5"
    & skf18("5","6","2","6","5","3","1") = "5"
    & skf18("5","6","2","6","5","4","1") = "5"
    & skf18("5","6","2","6","5","5","1") = "5"
    & skf18("5","6","2","6","5","6","1") = "5"
    & skf18("5","6","2","6","5","7","1") = "6"
    & skf18("5","6","2","6","5","8","1") = "7"
    & skf18("5","6","2","6","5","9","1") = "8"
    & skf18("5","6","2","6","5","10","1") = "9"
    & skf18("5","6","2","6","6","1","1") = "5"
    & skf18("5","6","2","6","6","2","1") = "5"
    & skf18("5","6","2","6","6","3","1") = "5"
    & skf18("5","6","2","6","6","4","1") = "5"
    & skf18("5","6","2","6","6","5","1") = "5"
    & skf18("5","6","2","6","6","6","1") = "5"
    & skf18("5","6","2","6","6","7","1") = "6"
    & skf18("5","6","2","6","6","8","1") = "7"
    & skf18("5","6","2","6","6","9","1") = "8"
    & skf18("5","6","2","6","6","10","1") = "9"
    & skf18("5","6","2","6","7","1","1") = "6"
    & skf18("5","6","2","6","7","2","1") = "6"
    & skf18("5","6","2","6","7","3","1") = "6"
    & skf18("5","6","2","6","7","4","1") = "6"
    & skf18("5","6","2","6","7","5","1") = "6"
    & skf18("5","6","2","6","7","6","1") = "6"
    & skf18("5","6","2","6","7","7","1") = "6"
    & skf18("5","6","2","6","7","8","1") = "7"
    & skf18("5","6","2","6","7","9","1") = "8"
    & skf18("5","6","2","6","7","10","1") = "9"
    & skf18("5","6","2","6","8","1","1") = "7"
    & skf18("5","6","2","6","8","2","1") = "7"
    & skf18("5","6","2","6","8","3","1") = "7"
    & skf18("5","6","2","6","8","4","1") = "7"
    & skf18("5","6","2","6","8","5","1") = "7"
    & skf18("5","6","2","6","8","6","1") = "7"
    & skf18("5","6","2","6","8","7","1") = "7"
    & skf18("5","6","2","6","8","8","1") = "7"
    & skf18("5","6","2","6","8","9","1") = "8"
    & skf18("5","6","2","6","8","10","1") = "9"
    & skf18("5","6","2","6","9","1","1") = "8"
    & skf18("5","6","2","6","9","2","1") = "8"
    & skf18("5","6","2","6","9","3","1") = "8"
    & skf18("5","6","2","6","9","4","1") = "8"
    & skf18("5","6","2","6","9","5","1") = "8"
    & skf18("5","6","2","6","9","6","1") = "8"
    & skf18("5","6","2","6","9","7","1") = "8"
    & skf18("5","6","2","6","9","8","1") = "8"
    & skf18("5","6","2","6","9","9","1") = "8"
    & skf18("5","6","2","6","9","10","1") = "9"
    & skf18("5","6","2","6","10","1","1") = "9"
    & skf18("5","6","2","6","10","2","1") = "9"
    & skf18("5","6","2","6","10","3","1") = "9"
    & skf18("5","6","2","6","10","4","1") = "9"
    & skf18("5","6","2","6","10","5","1") = "9"
    & skf18("5","6","2","6","10","6","1") = "9"
    & skf18("5","6","2","6","10","7","1") = "9"
    & skf18("5","6","2","6","10","8","1") = "9"
    & skf18("5","6","2","6","10","9","1") = "9"
    & skf18("5","6","2","6","10","10","1") = "9"
    & skf18("5","6","2","7","1","1","1") = "6"
    & skf18("5","6","2","7","1","2","1") = "6"
    & skf18("5","6","2","7","1","3","1") = "6"
    & skf18("5","6","2","7","1","4","1") = "6"
    & skf18("5","6","2","7","1","5","1") = "6"
    & skf18("5","6","2","7","1","6","1") = "6"
    & skf18("5","6","2","7","1","7","1") = "6"
    & skf18("5","6","2","7","1","8","1") = "7"
    & skf18("5","6","2","7","1","9","1") = "8"
    & skf18("5","6","2","7","1","10","1") = "9"
    & skf18("5","6","2","7","2","1","1") = "6"
    & skf18("5","6","2","7","2","2","1") = "6"
    & skf18("5","6","2","7","2","3","1") = "6"
    & skf18("5","6","2","7","2","4","1") = "6"
    & skf18("5","6","2","7","2","5","1") = "6"
    & skf18("5","6","2","7","2","6","1") = "6"
    & skf18("5","6","2","7","2","7","1") = "6"
    & skf18("5","6","2","7","2","8","1") = "7"
    & skf18("5","6","2","7","2","9","1") = "8"
    & skf18("5","6","2","7","2","10","1") = "9"
    & skf18("5","6","2","7","3","1","1") = "6"
    & skf18("5","6","2","7","3","2","1") = "6"
    & skf18("5","6","2","7","3","3","1") = "6"
    & skf18("5","6","2","7","3","4","1") = "6"
    & skf18("5","6","2","7","3","5","1") = "6"
    & skf18("5","6","2","7","3","6","1") = "6"
    & skf18("5","6","2","7","3","7","1") = "6"
    & skf18("5","6","2","7","3","8","1") = "7"
    & skf18("5","6","2","7","3","9","1") = "8"
    & skf18("5","6","2","7","3","10","1") = "9"
    & skf18("5","6","2","7","4","1","1") = "6"
    & skf18("5","6","2","7","4","2","1") = "6"
    & skf18("5","6","2","7","4","3","1") = "6"
    & skf18("5","6","2","7","4","4","1") = "6"
    & skf18("5","6","2","7","4","5","1") = "6"
    & skf18("5","6","2","7","4","6","1") = "6"
    & skf18("5","6","2","7","4","7","1") = "6"
    & skf18("5","6","2","7","4","8","1") = "7"
    & skf18("5","6","2","7","4","9","1") = "8"
    & skf18("5","6","2","7","4","10","1") = "9"
    & skf18("5","6","2","7","5","1","1") = "6"
    & skf18("5","6","2","7","5","2","1") = "6"
    & skf18("5","6","2","7","5","3","1") = "6"
    & skf18("5","6","2","7","5","4","1") = "6"
    & skf18("5","6","2","7","5","5","1") = "6"
    & skf18("5","6","2","7","5","6","1") = "6"
    & skf18("5","6","2","7","5","7","1") = "6"
    & skf18("5","6","2","7","5","8","1") = "7"
    & skf18("5","6","2","7","5","9","1") = "8"
    & skf18("5","6","2","7","5","10","1") = "9"
    & skf18("5","6","2","7","6","1","1") = "6"
    & skf18("5","6","2","7","6","2","1") = "6"
    & skf18("5","6","2","7","6","3","1") = "6"
    & skf18("5","6","2","7","6","4","1") = "6"
    & skf18("5","6","2","7","6","5","1") = "6"
    & skf18("5","6","2","7","6","6","1") = "6"
    & skf18("5","6","2","7","6","7","1") = "6"
    & skf18("5","6","2","7","6","8","1") = "7"
    & skf18("5","6","2","7","6","9","1") = "8"
    & skf18("5","6","2","7","6","10","1") = "9"
    & skf18("5","6","2","7","7","1","1") = "6"
    & skf18("5","6","2","7","7","2","1") = "6"
    & skf18("5","6","2","7","7","3","1") = "6"
    & skf18("5","6","2","7","7","4","1") = "6"
    & skf18("5","6","2","7","7","5","1") = "6"
    & skf18("5","6","2","7","7","6","1") = "6"
    & skf18("5","6","2","7","7","7","1") = "6"
    & skf18("5","6","2","7","7","8","1") = "7"
    & skf18("5","6","2","7","7","9","1") = "8"
    & skf18("5","6","2","7","7","10","1") = "9"
    & skf18("5","6","2","7","8","1","1") = "7"
    & skf18("5","6","2","7","8","2","1") = "7"
    & skf18("5","6","2","7","8","3","1") = "7"
    & skf18("5","6","2","7","8","4","1") = "7"
    & skf18("5","6","2","7","8","5","1") = "7"
    & skf18("5","6","2","7","8","6","1") = "7"
    & skf18("5","6","2","7","8","7","1") = "7"
    & skf18("5","6","2","7","8","8","1") = "7"
    & skf18("5","6","2","7","8","9","1") = "8"
    & skf18("5","6","2","7","8","10","1") = "9"
    & skf18("5","6","2","7","9","1","1") = "8"
    & skf18("5","6","2","7","9","2","1") = "8"
    & skf18("5","6","2","7","9","3","1") = "8"
    & skf18("5","6","2","7","9","4","1") = "8"
    & skf18("5","6","2","7","9","5","1") = "8"
    & skf18("5","6","2","7","9","6","1") = "8"
    & skf18("5","6","2","7","9","7","1") = "8"
    & skf18("5","6","2","7","9","8","1") = "8"
    & skf18("5","6","2","7","9","9","1") = "8"
    & skf18("5","6","2","7","9","10","1") = "9"
    & skf18("5","6","2","7","10","1","1") = "9"
    & skf18("5","6","2","7","10","2","1") = "9"
    & skf18("5","6","2","7","10","3","1") = "9"
    & skf18("5","6","2","7","10","4","1") = "9"
    & skf18("5","6","2","7","10","5","1") = "9"
    & skf18("5","6","2","7","10","6","1") = "9"
    & skf18("5","6","2","7","10","7","1") = "9"
    & skf18("5","6","2","7","10","8","1") = "9"
    & skf18("5","6","2","7","10","9","1") = "9"
    & skf18("5","6","2","7","10","10","1") = "9"
    & skf18("5","6","2","8","1","1","1") = "7"
    & skf18("5","6","2","8","1","2","1") = "7"
    & skf18("5","6","2","8","1","3","1") = "7"
    & skf18("5","6","2","8","1","4","1") = "7"
    & skf18("5","6","2","8","1","5","1") = "7"
    & skf18("5","6","2","8","1","6","1") = "7"
    & skf18("5","6","2","8","1","7","1") = "7"
    & skf18("5","6","2","8","1","8","1") = "7"
    & skf18("5","6","2","8","1","9","1") = "8"
    & skf18("5","6","2","8","1","10","1") = "9"
    & skf18("5","6","2","8","2","1","1") = "7"
    & skf18("5","6","2","8","2","2","1") = "7"
    & skf18("5","6","2","8","2","3","1") = "7"
    & skf18("5","6","2","8","2","4","1") = "7"
    & skf18("5","6","2","8","2","5","1") = "7"
    & skf18("5","6","2","8","2","6","1") = "7"
    & skf18("5","6","2","8","2","7","1") = "7"
    & skf18("5","6","2","8","2","8","1") = "7"
    & skf18("5","6","2","8","2","9","1") = "8"
    & skf18("5","6","2","8","2","10","1") = "9"
    & skf18("5","6","2","8","3","1","1") = "7"
    & skf18("5","6","2","8","3","2","1") = "7"
    & skf18("5","6","2","8","3","3","1") = "7"
    & skf18("5","6","2","8","3","4","1") = "7"
    & skf18("5","6","2","8","3","5","1") = "7"
    & skf18("5","6","2","8","3","6","1") = "7"
    & skf18("5","6","2","8","3","7","1") = "7"
    & skf18("5","6","2","8","3","8","1") = "7"
    & skf18("5","6","2","8","3","9","1") = "8"
    & skf18("5","6","2","8","3","10","1") = "9"
    & skf18("5","6","2","8","4","1","1") = "7"
    & skf18("5","6","2","8","4","2","1") = "7"
    & skf18("5","6","2","8","4","3","1") = "7"
    & skf18("5","6","2","8","4","4","1") = "7"
    & skf18("5","6","2","8","4","5","1") = "7"
    & skf18("5","6","2","8","4","6","1") = "7"
    & skf18("5","6","2","8","4","7","1") = "7"
    & skf18("5","6","2","8","4","8","1") = "7"
    & skf18("5","6","2","8","4","9","1") = "8"
    & skf18("5","6","2","8","4","10","1") = "9"
    & skf18("5","6","2","8","5","1","1") = "7"
    & skf18("5","6","2","8","5","2","1") = "7"
    & skf18("5","6","2","8","5","3","1") = "7"
    & skf18("5","6","2","8","5","4","1") = "7"
    & skf18("5","6","2","8","5","5","1") = "7"
    & skf18("5","6","2","8","5","6","1") = "7"
    & skf18("5","6","2","8","5","7","1") = "7"
    & skf18("5","6","2","8","5","8","1") = "7"
    & skf18("5","6","2","8","5","9","1") = "8"
    & skf18("5","6","2","8","5","10","1") = "9"
    & skf18("5","6","2","8","6","1","1") = "7"
    & skf18("5","6","2","8","6","2","1") = "7"
    & skf18("5","6","2","8","6","3","1") = "7"
    & skf18("5","6","2","8","6","4","1") = "7"
    & skf18("5","6","2","8","6","5","1") = "7"
    & skf18("5","6","2","8","6","6","1") = "7"
    & skf18("5","6","2","8","6","7","1") = "7"
    & skf18("5","6","2","8","6","8","1") = "7"
    & skf18("5","6","2","8","6","9","1") = "8"
    & skf18("5","6","2","8","6","10","1") = "9"
    & skf18("5","6","2","8","7","1","1") = "7"
    & skf18("5","6","2","8","7","2","1") = "7"
    & skf18("5","6","2","8","7","3","1") = "7"
    & skf18("5","6","2","8","7","4","1") = "7"
    & skf18("5","6","2","8","7","5","1") = "7"
    & skf18("5","6","2","8","7","6","1") = "7"
    & skf18("5","6","2","8","7","7","1") = "7"
    & skf18("5","6","2","8","7","8","1") = "7"
    & skf18("5","6","2","8","7","9","1") = "8"
    & skf18("5","6","2","8","7","10","1") = "9"
    & skf18("5","6","2","8","8","1","1") = "7"
    & skf18("5","6","2","8","8","2","1") = "7"
    & skf18("5","6","2","8","8","3","1") = "7"
    & skf18("5","6","2","8","8","4","1") = "7"
    & skf18("5","6","2","8","8","5","1") = "7"
    & skf18("5","6","2","8","8","6","1") = "7"
    & skf18("5","6","2","8","8","7","1") = "7"
    & skf18("5","6","2","8","8","8","1") = "7"
    & skf18("5","6","2","8","8","9","1") = "8"
    & skf18("5","6","2","8","8","10","1") = "9"
    & skf18("5","6","2","8","9","1","1") = "8"
    & skf18("5","6","2","8","9","2","1") = "8"
    & skf18("5","6","2","8","9","3","1") = "8"
    & skf18("5","6","2","8","9","4","1") = "8"
    & skf18("5","6","2","8","9","5","1") = "8"
    & skf18("5","6","2","8","9","6","1") = "8"
    & skf18("5","6","2","8","9","7","1") = "8"
    & skf18("5","6","2","8","9","8","1") = "8"
    & skf18("5","6","2","8","9","9","1") = "8"
    & skf18("5","6","2","8","9","10","1") = "9"
    & skf18("5","6","2","8","10","1","1") = "9"
    & skf18("5","6","2","8","10","2","1") = "9"
    & skf18("5","6","2","8","10","3","1") = "9"
    & skf18("5","6","2","8","10","4","1") = "9"
    & skf18("5","6","2","8","10","5","1") = "9"
    & skf18("5","6","2","8","10","6","1") = "9"
    & skf18("5","6","2","8","10","7","1") = "9"
    & skf18("5","6","2","8","10","8","1") = "9"
    & skf18("5","6","2","8","10","9","1") = "9"
    & skf18("5","6","2","8","10","10","1") = "9"
    & skf18("5","6","2","9","1","1","1") = "8"
    & skf18("5","6","2","9","1","2","1") = "8"
    & skf18("5","6","2","9","1","3","1") = "8"
    & skf18("5","6","2","9","1","4","1") = "8"
    & skf18("5","6","2","9","1","5","1") = "8"
    & skf18("5","6","2","9","1","6","1") = "8"
    & skf18("5","6","2","9","1","7","1") = "8"
    & skf18("5","6","2","9","1","8","1") = "8"
    & skf18("5","6","2","9","1","9","1") = "8"
    & skf18("5","6","2","9","1","10","1") = "9"
    & skf18("5","6","2","9","2","1","1") = "8"
    & skf18("5","6","2","9","2","2","1") = "8"
    & skf18("5","6","2","9","2","3","1") = "8"
    & skf18("5","6","2","9","2","4","1") = "8"
    & skf18("5","6","2","9","2","5","1") = "8"
    & skf18("5","6","2","9","2","6","1") = "8"
    & skf18("5","6","2","9","2","7","1") = "8"
    & skf18("5","6","2","9","2","8","1") = "8"
    & skf18("5","6","2","9","2","9","1") = "8"
    & skf18("5","6","2","9","2","10","1") = "9"
    & skf18("5","6","2","9","3","1","1") = "8"
    & skf18("5","6","2","9","3","2","1") = "8"
    & skf18("5","6","2","9","3","3","1") = "8"
    & skf18("5","6","2","9","3","4","1") = "8"
    & skf18("5","6","2","9","3","5","1") = "8"
    & skf18("5","6","2","9","3","6","1") = "8"
    & skf18("5","6","2","9","3","7","1") = "8"
    & skf18("5","6","2","9","3","8","1") = "8"
    & skf18("5","6","2","9","3","9","1") = "8"
    & skf18("5","6","2","9","3","10","1") = "9"
    & skf18("5","6","2","9","4","1","1") = "8"
    & skf18("5","6","2","9","4","2","1") = "8"
    & skf18("5","6","2","9","4","3","1") = "8"
    & skf18("5","6","2","9","4","4","1") = "8"
    & skf18("5","6","2","9","4","5","1") = "8"
    & skf18("5","6","2","9","4","6","1") = "8"
    & skf18("5","6","2","9","4","7","1") = "8"
    & skf18("5","6","2","9","4","8","1") = "8"
    & skf18("5","6","2","9","4","9","1") = "8"
    & skf18("5","6","2","9","4","10","1") = "9"
    & skf18("5","6","2","9","5","1","1") = "8"
    & skf18("5","6","2","9","5","2","1") = "8"
    & skf18("5","6","2","9","5","3","1") = "8"
    & skf18("5","6","2","9","5","4","1") = "8"
    & skf18("5","6","2","9","5","5","1") = "8"
    & skf18("5","6","2","9","5","6","1") = "8"
    & skf18("5","6","2","9","5","7","1") = "8"
    & skf18("5","6","2","9","5","8","1") = "8"
    & skf18("5","6","2","9","5","9","1") = "8"
    & skf18("5","6","2","9","5","10","1") = "9"
    & skf18("5","6","2","9","6","1","1") = "8"
    & skf18("5","6","2","9","6","2","1") = "8"
    & skf18("5","6","2","9","6","3","1") = "8"
    & skf18("5","6","2","9","6","4","1") = "8"
    & skf18("5","6","2","9","6","5","1") = "8"
    & skf18("5","6","2","9","6","6","1") = "8"
    & skf18("5","6","2","9","6","7","1") = "8"
    & skf18("5","6","2","9","6","8","1") = "8"
    & skf18("5","6","2","9","6","9","1") = "8"
    & skf18("5","6","2","9","6","10","1") = "9"
    & skf18("5","6","2","9","7","1","1") = "8"
    & skf18("5","6","2","9","7","2","1") = "8"
    & skf18("5","6","2","9","7","3","1") = "8"
    & skf18("5","6","2","9","7","4","1") = "8"
    & skf18("5","6","2","9","7","5","1") = "8"
    & skf18("5","6","2","9","7","6","1") = "8"
    & skf18("5","6","2","9","7","7","1") = "8"
    & skf18("5","6","2","9","7","8","1") = "8"
    & skf18("5","6","2","9","7","9","1") = "8"
    & skf18("5","6","2","9","7","10","1") = "9"
    & skf18("5","6","2","9","8","1","1") = "8"
    & skf18("5","6","2","9","8","2","1") = "8"
    & skf18("5","6","2","9","8","3","1") = "8"
    & skf18("5","6","2","9","8","4","1") = "8"
    & skf18("5","6","2","9","8","5","1") = "8"
    & skf18("5","6","2","9","8","6","1") = "8"
    & skf18("5","6","2","9","8","7","1") = "8"
    & skf18("5","6","2","9","8","8","1") = "8"
    & skf18("5","6","2","9","8","9","1") = "8"
    & skf18("5","6","2","9","8","10","1") = "9"
    & skf18("5","6","2","9","9","1","1") = "8"
    & skf18("5","6","2","9","9","2","1") = "8"
    & skf18("5","6","2","9","9","3","1") = "8"
    & skf18("5","6","2","9","9","4","1") = "8"
    & skf18("5","6","2","9","9","5","1") = "8"
    & skf18("5","6","2","9","9","6","1") = "8"
    & skf18("5","6","2","9","9","7","1") = "8"
    & skf18("5","6","2","9","9","8","1") = "8"
    & skf18("5","6","2","9","9","9","1") = "8"
    & skf18("5","6","2","9","9","10","1") = "9"
    & skf18("5","6","2","9","10","1","1") = "9"
    & skf18("5","6","2","9","10","2","1") = "9"
    & skf18("5","6","2","9","10","3","1") = "9"
    & skf18("5","6","2","9","10","4","1") = "9"
    & skf18("5","6","2","9","10","5","1") = "9"
    & skf18("5","6","2","9","10","6","1") = "9"
    & skf18("5","6","2","9","10","7","1") = "9"
    & skf18("5","6","2","9","10","8","1") = "9"
    & skf18("5","6","2","9","10","9","1") = "9"
    & skf18("5","6","2","9","10","10","1") = "9"
    & skf18("5","6","2","10","1","1","1") = "9"
    & skf18("5","6","2","10","1","2","1") = "9"
    & skf18("5","6","2","10","1","3","1") = "9"
    & skf18("5","6","2","10","1","4","1") = "9"
    & skf18("5","6","2","10","1","5","1") = "9"
    & skf18("5","6","2","10","1","6","1") = "9"
    & skf18("5","6","2","10","1","7","1") = "9"
    & skf18("5","6","2","10","1","8","1") = "9"
    & skf18("5","6","2","10","1","9","1") = "9"
    & skf18("5","6","2","10","1","10","1") = "9"
    & skf18("5","6","2","10","2","1","1") = "9"
    & skf18("5","6","2","10","2","2","1") = "9"
    & skf18("5","6","2","10","2","3","1") = "9"
    & skf18("5","6","2","10","2","4","1") = "9"
    & skf18("5","6","2","10","2","5","1") = "9"
    & skf18("5","6","2","10","2","6","1") = "9"
    & skf18("5","6","2","10","2","7","1") = "9"
    & skf18("5","6","2","10","2","8","1") = "9"
    & skf18("5","6","2","10","2","9","1") = "9"
    & skf18("5","6","2","10","2","10","1") = "9"
    & skf18("5","6","2","10","3","1","1") = "9"
    & skf18("5","6","2","10","3","2","1") = "9"
    & skf18("5","6","2","10","3","3","1") = "9"
    & skf18("5","6","2","10","3","4","1") = "9"
    & skf18("5","6","2","10","3","5","1") = "9"
    & skf18("5","6","2","10","3","6","1") = "9"
    & skf18("5","6","2","10","3","7","1") = "9"
    & skf18("5","6","2","10","3","8","1") = "9"
    & skf18("5","6","2","10","3","9","1") = "9"
    & skf18("5","6","2","10","3","10","1") = "9"
    & skf18("5","6","2","10","4","1","1") = "9"
    & skf18("5","6","2","10","4","2","1") = "9"
    & skf18("5","6","2","10","4","3","1") = "9"
    & skf18("5","6","2","10","4","4","1") = "9"
    & skf18("5","6","2","10","4","5","1") = "9"
    & skf18("5","6","2","10","4","6","1") = "9"
    & skf18("5","6","2","10","4","7","1") = "9"
    & skf18("5","6","2","10","4","8","1") = "9"
    & skf18("5","6","2","10","4","9","1") = "9"
    & skf18("5","6","2","10","4","10","1") = "9"
    & skf18("5","6","2","10","5","1","1") = "9"
    & skf18("5","6","2","10","5","2","1") = "9"
    & skf18("5","6","2","10","5","3","1") = "9"
    & skf18("5","6","2","10","5","4","1") = "9"
    & skf18("5","6","2","10","5","5","1") = "9"
    & skf18("5","6","2","10","5","6","1") = "9"
    & skf18("5","6","2","10","5","7","1") = "9"
    & skf18("5","6","2","10","5","8","1") = "9"
    & skf18("5","6","2","10","5","9","1") = "9"
    & skf18("5","6","2","10","5","10","1") = "9"
    & skf18("5","6","2","10","6","1","1") = "9"
    & skf18("5","6","2","10","6","2","1") = "9"
    & skf18("5","6","2","10","6","3","1") = "9"
    & skf18("5","6","2","10","6","4","1") = "9"
    & skf18("5","6","2","10","6","5","1") = "9"
    & skf18("5","6","2","10","6","6","1") = "9"
    & skf18("5","6","2","10","6","7","1") = "9"
    & skf18("5","6","2","10","6","8","1") = "9"
    & skf18("5","6","2","10","6","9","1") = "9"
    & skf18("5","6","2","10","6","10","1") = "9"
    & skf18("5","6","2","10","7","1","1") = "9"
    & skf18("5","6","2","10","7","2","1") = "9"
    & skf18("5","6","2","10","7","3","1") = "9"
    & skf18("5","6","2","10","7","4","1") = "9"
    & skf18("5","6","2","10","7","5","1") = "9"
    & skf18("5","6","2","10","7","6","1") = "9"
    & skf18("5","6","2","10","7","7","1") = "9"
    & skf18("5","6","2","10","7","8","1") = "9"
    & skf18("5","6","2","10","7","9","1") = "9"
    & skf18("5","6","2","10","7","10","1") = "9"
    & skf18("5","6","2","10","8","1","1") = "9"
    & skf18("5","6","2","10","8","2","1") = "9"
    & skf18("5","6","2","10","8","3","1") = "9"
    & skf18("5","6","2","10","8","4","1") = "9"
    & skf18("5","6","2","10","8","5","1") = "9"
    & skf18("5","6","2","10","8","6","1") = "9"
    & skf18("5","6","2","10","8","7","1") = "9"
    & skf18("5","6","2","10","8","8","1") = "9"
    & skf18("5","6","2","10","8","9","1") = "9"
    & skf18("5","6","2","10","8","10","1") = "9"
    & skf18("5","6","2","10","9","1","1") = "9"
    & skf18("5","6","2","10","9","2","1") = "9"
    & skf18("5","6","2","10","9","3","1") = "9"
    & skf18("5","6","2","10","9","4","1") = "9"
    & skf18("5","6","2","10","9","5","1") = "9"
    & skf18("5","6","2","10","9","6","1") = "9"
    & skf18("5","6","2","10","9","7","1") = "9"
    & skf18("5","6","2","10","9","8","1") = "9"
    & skf18("5","6","2","10","9","9","1") = "9"
    & skf18("5","6","2","10","9","10","1") = "9"
    & skf18("5","6","2","10","10","1","1") = "9"
    & skf18("5","6","2","10","10","2","1") = "9"
    & skf18("5","6","2","10","10","3","1") = "9"
    & skf18("5","6","2","10","10","4","1") = "9"
    & skf18("5","6","2","10","10","5","1") = "9"
    & skf18("5","6","2","10","10","6","1") = "9"
    & skf18("5","6","2","10","10","7","1") = "9"
    & skf18("5","6","2","10","10","8","1") = "9"
    & skf18("5","6","2","10","10","9","1") = "9"
    & skf18("5","6","2","10","10","10","1") = "9"
    & skf18("5","6","3","1","1","1","1") = "5"
    & skf18("5","6","3","1","1","2","1") = "5"
    & skf18("5","6","3","1","1","3","1") = "5"
    & skf18("5","6","3","1","1","4","1") = "5"
    & skf18("5","6","3","1","1","5","1") = "5"
    & skf18("5","6","3","1","1","6","1") = "5"
    & skf18("5","6","3","1","1","7","1") = "6"
    & skf18("5","6","3","1","1","8","1") = "7"
    & skf18("5","6","3","1","1","9","1") = "8"
    & skf18("5","6","3","1","1","10","1") = "9"
    & skf18("5","6","3","1","2","1","1") = "5"
    & skf18("5","6","3","1","2","2","1") = "5"
    & skf18("5","6","3","1","2","3","1") = "5"
    & skf18("5","6","3","1","2","4","1") = "5"
    & skf18("5","6","3","1","2","5","1") = "5"
    & skf18("5","6","3","1","2","6","1") = "5"
    & skf18("5","6","3","1","2","7","1") = "6"
    & skf18("5","6","3","1","2","8","1") = "7"
    & skf18("5","6","3","1","2","9","1") = "8"
    & skf18("5","6","3","1","2","10","1") = "9"
    & skf18("5","6","3","1","3","1","1") = "5"
    & skf18("5","6","3","1","3","2","1") = "5"
    & skf18("5","6","3","1","3","3","1") = "5"
    & skf18("5","6","3","1","3","4","1") = "5"
    & skf18("5","6","3","1","3","5","1") = "5"
    & skf18("5","6","3","1","3","6","1") = "5"
    & skf18("5","6","3","1","3","7","1") = "6"
    & skf18("5","6","3","1","3","8","1") = "7"
    & skf18("5","6","3","1","3","9","1") = "8"
    & skf18("5","6","3","1","3","10","1") = "9"
    & skf18("5","6","3","1","4","1","1") = "5"
    & skf18("5","6","3","1","4","2","1") = "5"
    & skf18("5","6","3","1","4","3","1") = "5"
    & skf18("5","6","3","1","4","4","1") = "5"
    & skf18("5","6","3","1","4","5","1") = "5"
    & skf18("5","6","3","1","4","6","1") = "5"
    & skf18("5","6","3","1","4","7","1") = "6"
    & skf18("5","6","3","1","4","8","1") = "7"
    & skf18("5","6","3","1","4","9","1") = "8"
    & skf18("5","6","3","1","4","10","1") = "9"
    & skf18("5","6","3","1","5","1","1") = "5"
    & skf18("5","6","3","1","5","2","1") = "5"
    & skf18("5","6","3","1","5","3","1") = "5"
    & skf18("5","6","3","1","5","4","1") = "5"
    & skf18("5","6","3","1","5","5","1") = "5"
    & skf18("5","6","3","1","5","6","1") = "5"
    & skf18("5","6","3","1","5","7","1") = "6"
    & skf18("5","6","3","1","5","8","1") = "7"
    & skf18("5","6","3","1","5","9","1") = "8"
    & skf18("5","6","3","1","5","10","1") = "9"
    & skf18("5","6","3","1","6","1","1") = "5"
    & skf18("5","6","3","1","6","2","1") = "5"
    & skf18("5","6","3","1","6","3","1") = "5"
    & skf18("5","6","3","1","6","4","1") = "5"
    & skf18("5","6","3","1","6","5","1") = "5"
    & skf18("5","6","3","1","6","6","1") = "5"
    & skf18("5","6","3","1","6","7","1") = "6"
    & skf18("5","6","3","1","6","8","1") = "7"
    & skf18("5","6","3","1","6","9","1") = "8"
    & skf18("5","6","3","1","6","10","1") = "9"
    & skf18("5","6","3","1","7","1","1") = "6"
    & skf18("5","6","3","1","7","2","1") = "6"
    & skf18("5","6","3","1","7","3","1") = "6"
    & skf18("5","6","3","1","7","4","1") = "6"
    & skf18("5","6","3","1","7","5","1") = "6"
    & skf18("5","6","3","1","7","6","1") = "6"
    & skf18("5","6","3","1","7","7","1") = "6"
    & skf18("5","6","3","1","7","8","1") = "7"
    & skf18("5","6","3","1","7","9","1") = "8"
    & skf18("5","6","3","1","7","10","1") = "9"
    & skf18("5","6","3","1","8","1","1") = "7"
    & skf18("5","6","3","1","8","2","1") = "7"
    & skf18("5","6","3","1","8","3","1") = "7"
    & skf18("5","6","3","1","8","4","1") = "7"
    & skf18("5","6","3","1","8","5","1") = "7"
    & skf18("5","6","3","1","8","6","1") = "7"
    & skf18("5","6","3","1","8","7","1") = "7"
    & skf18("5","6","3","1","8","8","1") = "7"
    & skf18("5","6","3","1","8","9","1") = "8"
    & skf18("5","6","3","1","8","10","1") = "9"
    & skf18("5","6","3","1","9","1","1") = "8"
    & skf18("5","6","3","1","9","2","1") = "8"
    & skf18("5","6","3","1","9","3","1") = "8"
    & skf18("5","6","3","1","9","4","1") = "8"
    & skf18("5","6","3","1","9","5","1") = "8"
    & skf18("5","6","3","1","9","6","1") = "8"
    & skf18("5","6","3","1","9","7","1") = "8"
    & skf18("5","6","3","1","9","8","1") = "8"
    & skf18("5","6","3","1","9","9","1") = "8"
    & skf18("5","6","3","1","9","10","1") = "9"
    & skf18("5","6","3","1","10","1","1") = "9"
    & skf18("5","6","3","1","10","2","1") = "9"
    & skf18("5","6","3","1","10","3","1") = "9"
    & skf18("5","6","3","1","10","4","1") = "9"
    & skf18("5","6","3","1","10","5","1") = "9"
    & skf18("5","6","3","1","10","6","1") = "9"
    & skf18("5","6","3","1","10","7","1") = "9"
    & skf18("5","6","3","1","10","8","1") = "9"
    & skf18("5","6","3","1","10","9","1") = "9"
    & skf18("5","6","3","1","10","10","1") = "9"
    & skf18("5","6","3","2","1","1","1") = "5"
    & skf18("5","6","3","2","1","2","1") = "5"
    & skf18("5","6","3","2","1","3","1") = "5"
    & skf18("5","6","3","2","1","4","1") = "5"
    & skf18("5","6","3","2","1","5","1") = "5"
    & skf18("5","6","3","2","1","6","1") = "5"
    & skf18("5","6","3","2","1","7","1") = "6"
    & skf18("5","6","3","2","1","8","1") = "7"
    & skf18("5","6","3","2","1","9","1") = "8"
    & skf18("5","6","3","2","1","10","1") = "9"
    & skf18("5","6","3","2","2","1","1") = "5"
    & skf18("5","6","3","2","2","2","1") = "5"
    & skf18("5","6","3","2","2","3","1") = "5"
    & skf18("5","6","3","2","2","4","1") = "5"
    & skf18("5","6","3","2","2","5","1") = "5"
    & skf18("5","6","3","2","2","6","1") = "5"
    & skf18("5","6","3","2","2","7","1") = "6"
    & skf18("5","6","3","2","2","8","1") = "7"
    & skf18("5","6","3","2","2","9","1") = "8"
    & skf18("5","6","3","2","2","10","1") = "9"
    & skf18("5","6","3","2","3","1","1") = "5"
    & skf18("5","6","3","2","3","2","1") = "5"
    & skf18("5","6","3","2","3","3","1") = "5"
    & skf18("5","6","3","2","3","4","1") = "5"
    & skf18("5","6","3","2","3","5","1") = "5"
    & skf18("5","6","3","2","3","6","1") = "5"
    & skf18("5","6","3","2","3","7","1") = "6"
    & skf18("5","6","3","2","3","8","1") = "7"
    & skf18("5","6","3","2","3","9","1") = "8"
    & skf18("5","6","3","2","3","10","1") = "9"
    & skf18("5","6","3","2","4","1","1") = "5"
    & skf18("5","6","3","2","4","2","1") = "5"
    & skf18("5","6","3","2","4","3","1") = "5"
    & skf18("5","6","3","2","4","4","1") = "5"
    & skf18("5","6","3","2","4","5","1") = "5"
    & skf18("5","6","3","2","4","6","1") = "5"
    & skf18("5","6","3","2","4","7","1") = "6"
    & skf18("5","6","3","2","4","8","1") = "7"
    & skf18("5","6","3","2","4","9","1") = "8"
    & skf18("5","6","3","2","4","10","1") = "9"
    & skf18("5","6","3","2","5","1","1") = "5"
    & skf18("5","6","3","2","5","2","1") = "5"
    & skf18("5","6","3","2","5","3","1") = "5"
    & skf18("5","6","3","2","5","4","1") = "5"
    & skf18("5","6","3","2","5","5","1") = "5"
    & skf18("5","6","3","2","5","6","1") = "5"
    & skf18("5","6","3","2","5","7","1") = "6"
    & skf18("5","6","3","2","5","8","1") = "7"
    & skf18("5","6","3","2","5","9","1") = "8"
    & skf18("5","6","3","2","5","10","1") = "9"
    & skf18("5","6","3","2","6","1","1") = "5"
    & skf18("5","6","3","2","6","2","1") = "5"
    & skf18("5","6","3","2","6","3","1") = "5"
    & skf18("5","6","3","2","6","4","1") = "5"
    & skf18("5","6","3","2","6","5","1") = "5"
    & skf18("5","6","3","2","6","6","1") = "5"
    & skf18("5","6","3","2","6","7","1") = "6"
    & skf18("5","6","3","2","6","8","1") = "7"
    & skf18("5","6","3","2","6","9","1") = "8"
    & skf18("5","6","3","2","6","10","1") = "9"
    & skf18("5","6","3","2","7","1","1") = "6"
    & skf18("5","6","3","2","7","2","1") = "6"
    & skf18("5","6","3","2","7","3","1") = "6"
    & skf18("5","6","3","2","7","4","1") = "6"
    & skf18("5","6","3","2","7","5","1") = "6"
    & skf18("5","6","3","2","7","6","1") = "6"
    & skf18("5","6","3","2","7","7","1") = "6"
    & skf18("5","6","3","2","7","8","1") = "7"
    & skf18("5","6","3","2","7","9","1") = "8"
    & skf18("5","6","3","2","7","10","1") = "9"
    & skf18("5","6","3","2","8","1","1") = "7"
    & skf18("5","6","3","2","8","2","1") = "7"
    & skf18("5","6","3","2","8","3","1") = "7"
    & skf18("5","6","3","2","8","4","1") = "7"
    & skf18("5","6","3","2","8","5","1") = "7"
    & skf18("5","6","3","2","8","6","1") = "7"
    & skf18("5","6","3","2","8","7","1") = "7"
    & skf18("5","6","3","2","8","8","1") = "7"
    & skf18("5","6","3","2","8","9","1") = "8"
    & skf18("5","6","3","2","8","10","1") = "9"
    & skf18("5","6","3","2","9","1","1") = "8"
    & skf18("5","6","3","2","9","2","1") = "8"
    & skf18("5","6","3","2","9","3","1") = "8"
    & skf18("5","6","3","2","9","4","1") = "8"
    & skf18("5","6","3","2","9","5","1") = "8"
    & skf18("5","6","3","2","9","6","1") = "8"
    & skf18("5","6","3","2","9","7","1") = "8"
    & skf18("5","6","3","2","9","8","1") = "8"
    & skf18("5","6","3","2","9","9","1") = "8"
    & skf18("5","6","3","2","9","10","1") = "9"
    & skf18("5","6","3","2","10","1","1") = "9"
    & skf18("5","6","3","2","10","2","1") = "9"
    & skf18("5","6","3","2","10","3","1") = "9"
    & skf18("5","6","3","2","10","4","1") = "9"
    & skf18("5","6","3","2","10","5","1") = "9"
    & skf18("5","6","3","2","10","6","1") = "9"
    & skf18("5","6","3","2","10","7","1") = "9"
    & skf18("5","6","3","2","10","8","1") = "9"
    & skf18("5","6","3","2","10","9","1") = "9"
    & skf18("5","6","3","2","10","10","1") = "9"
    & skf18("5","6","3","3","1","1","1") = "5"
    & skf18("5","6","3","3","1","2","1") = "5"
    & skf18("5","6","3","3","1","3","1") = "5"
    & skf18("5","6","3","3","1","4","1") = "5"
    & skf18("5","6","3","3","1","5","1") = "5"
    & skf18("5","6","3","3","1","6","1") = "5"
    & skf18("5","6","3","3","1","7","1") = "6"
    & skf18("5","6","3","3","1","8","1") = "7"
    & skf18("5","6","3","3","1","9","1") = "8"
    & skf18("5","6","3","3","1","10","1") = "9"
    & skf18("5","6","3","3","2","1","1") = "5"
    & skf18("5","6","3","3","2","2","1") = "5"
    & skf18("5","6","3","3","2","3","1") = "5"
    & skf18("5","6","3","3","2","4","1") = "5"
    & skf18("5","6","3","3","2","5","1") = "5"
    & skf18("5","6","3","3","2","6","1") = "5"
    & skf18("5","6","3","3","2","7","1") = "6"
    & skf18("5","6","3","3","2","8","1") = "7"
    & skf18("5","6","3","3","2","9","1") = "8"
    & skf18("5","6","3","3","2","10","1") = "9"
    & skf18("5","6","3","3","3","1","1") = "5"
    & skf18("5","6","3","3","3","2","1") = "5"
    & skf18("5","6","3","3","3","3","1") = "5"
    & skf18("5","6","3","3","3","4","1") = "5"
    & skf18("5","6","3","3","3","5","1") = "5"
    & skf18("5","6","3","3","3","6","1") = "5"
    & skf18("5","6","3","3","3","7","1") = "6"
    & skf18("5","6","3","3","3","8","1") = "7"
    & skf18("5","6","3","3","3","9","1") = "8"
    & skf18("5","6","3","3","3","10","1") = "9"
    & skf18("5","6","3","3","4","1","1") = "5"
    & skf18("5","6","3","3","4","2","1") = "5"
    & skf18("5","6","3","3","4","3","1") = "5"
    & skf18("5","6","3","3","4","4","1") = "5"
    & skf18("5","6","3","3","4","5","1") = "5"
    & skf18("5","6","3","3","4","6","1") = "5"
    & skf18("5","6","3","3","4","7","1") = "6"
    & skf18("5","6","3","3","4","8","1") = "7"
    & skf18("5","6","3","3","4","9","1") = "8"
    & skf18("5","6","3","3","4","10","1") = "9"
    & skf18("5","6","3","3","5","1","1") = "5"
    & skf18("5","6","3","3","5","2","1") = "5"
    & skf18("5","6","3","3","5","3","1") = "5"
    & skf18("5","6","3","3","5","4","1") = "5"
    & skf18("5","6","3","3","5","5","1") = "5"
    & skf18("5","6","3","3","5","6","1") = "5"
    & skf18("5","6","3","3","5","7","1") = "6"
    & skf18("5","6","3","3","5","8","1") = "7"
    & skf18("5","6","3","3","5","9","1") = "8"
    & skf18("5","6","3","3","5","10","1") = "9"
    & skf18("5","6","3","3","6","1","1") = "5"
    & skf18("5","6","3","3","6","2","1") = "5"
    & skf18("5","6","3","3","6","3","1") = "5"
    & skf18("5","6","3","3","6","4","1") = "5"
    & skf18("5","6","3","3","6","5","1") = "5"
    & skf18("5","6","3","3","6","6","1") = "5"
    & skf18("5","6","3","3","6","7","1") = "6"
    & skf18("5","6","3","3","6","8","1") = "7"
    & skf18("5","6","3","3","6","9","1") = "8"
    & skf18("5","6","3","3","6","10","1") = "9"
    & skf18("5","6","3","3","7","1","1") = "6"
    & skf18("5","6","3","3","7","2","1") = "6"
    & skf18("5","6","3","3","7","3","1") = "6"
    & skf18("5","6","3","3","7","4","1") = "6"
    & skf18("5","6","3","3","7","5","1") = "6"
    & skf18("5","6","3","3","7","6","1") = "6"
    & skf18("5","6","3","3","7","7","1") = "6"
    & skf18("5","6","3","3","7","8","1") = "7"
    & skf18("5","6","3","3","7","9","1") = "8"
    & skf18("5","6","3","3","7","10","1") = "9"
    & skf18("5","6","3","3","8","1","1") = "7"
    & skf18("5","6","3","3","8","2","1") = "7"
    & skf18("5","6","3","3","8","3","1") = "7"
    & skf18("5","6","3","3","8","4","1") = "7"
    & skf18("5","6","3","3","8","5","1") = "7"
    & skf18("5","6","3","3","8","6","1") = "7"
    & skf18("5","6","3","3","8","7","1") = "7"
    & skf18("5","6","3","3","8","8","1") = "7"
    & skf18("5","6","3","3","8","9","1") = "8"
    & skf18("5","6","3","3","8","10","1") = "9"
    & skf18("5","6","3","3","9","1","1") = "8"
    & skf18("5","6","3","3","9","2","1") = "8"
    & skf18("5","6","3","3","9","3","1") = "8"
    & skf18("5","6","3","3","9","4","1") = "8"
    & skf18("5","6","3","3","9","5","1") = "8"
    & skf18("5","6","3","3","9","6","1") = "8"
    & skf18("5","6","3","3","9","7","1") = "8"
    & skf18("5","6","3","3","9","8","1") = "8"
    & skf18("5","6","3","3","9","9","1") = "8"
    & skf18("5","6","3","3","9","10","1") = "9"
    & skf18("5","6","3","3","10","1","1") = "9"
    & skf18("5","6","3","3","10","2","1") = "9"
    & skf18("5","6","3","3","10","3","1") = "9"
    & skf18("5","6","3","3","10","4","1") = "9"
    & skf18("5","6","3","3","10","5","1") = "9"
    & skf18("5","6","3","3","10","6","1") = "9"
    & skf18("5","6","3","3","10","7","1") = "9"
    & skf18("5","6","3","3","10","8","1") = "9"
    & skf18("5","6","3","3","10","9","1") = "9"
    & skf18("5","6","3","3","10","10","1") = "9"
    & skf18("5","6","3","4","1","1","1") = "5"
    & skf18("5","6","3","4","1","2","1") = "5"
    & skf18("5","6","3","4","1","3","1") = "5"
    & skf18("5","6","3","4","1","4","1") = "5"
    & skf18("5","6","3","4","1","5","1") = "5"
    & skf18("5","6","3","4","1","6","1") = "5"
    & skf18("5","6","3","4","1","7","1") = "6"
    & skf18("5","6","3","4","1","8","1") = "7"
    & skf18("5","6","3","4","1","9","1") = "8"
    & skf18("5","6","3","4","1","10","1") = "9"
    & skf18("5","6","3","4","2","1","1") = "5"
    & skf18("5","6","3","4","2","2","1") = "5"
    & skf18("5","6","3","4","2","3","1") = "5"
    & skf18("5","6","3","4","2","4","1") = "5"
    & skf18("5","6","3","4","2","5","1") = "5"
    & skf18("5","6","3","4","2","6","1") = "5"
    & skf18("5","6","3","4","2","7","1") = "6"
    & skf18("5","6","3","4","2","8","1") = "7"
    & skf18("5","6","3","4","2","9","1") = "8"
    & skf18("5","6","3","4","2","10","1") = "9"
    & skf18("5","6","3","4","3","1","1") = "5"
    & skf18("5","6","3","4","3","2","1") = "5"
    & skf18("5","6","3","4","3","3","1") = "5"
    & skf18("5","6","3","4","3","4","1") = "5"
    & skf18("5","6","3","4","3","5","1") = "5"
    & skf18("5","6","3","4","3","6","1") = "5"
    & skf18("5","6","3","4","3","7","1") = "6"
    & skf18("5","6","3","4","3","8","1") = "7"
    & skf18("5","6","3","4","3","9","1") = "8"
    & skf18("5","6","3","4","3","10","1") = "9"
    & skf18("5","6","3","4","4","1","1") = "5"
    & skf18("5","6","3","4","4","2","1") = "5"
    & skf18("5","6","3","4","4","3","1") = "5"
    & skf18("5","6","3","4","4","4","1") = "5"
    & skf18("5","6","3","4","4","5","1") = "5"
    & skf18("5","6","3","4","4","6","1") = "5"
    & skf18("5","6","3","4","4","7","1") = "6"
    & skf18("5","6","3","4","4","8","1") = "7"
    & skf18("5","6","3","4","4","9","1") = "8"
    & skf18("5","6","3","4","4","10","1") = "9"
    & skf18("5","6","3","4","5","1","1") = "5"
    & skf18("5","6","3","4","5","2","1") = "5"
    & skf18("5","6","3","4","5","3","1") = "5"
    & skf18("5","6","3","4","5","4","1") = "5"
    & skf18("5","6","3","4","5","5","1") = "5"
    & skf18("5","6","3","4","5","6","1") = "5"
    & skf18("5","6","3","4","5","7","1") = "6"
    & skf18("5","6","3","4","5","8","1") = "7"
    & skf18("5","6","3","4","5","9","1") = "8"
    & skf18("5","6","3","4","5","10","1") = "9"
    & skf18("5","6","3","4","6","1","1") = "5"
    & skf18("5","6","3","4","6","2","1") = "5"
    & skf18("5","6","3","4","6","3","1") = "5"
    & skf18("5","6","3","4","6","4","1") = "5"
    & skf18("5","6","3","4","6","5","1") = "5"
    & skf18("5","6","3","4","6","6","1") = "5"
    & skf18("5","6","3","4","6","7","1") = "6"
    & skf18("5","6","3","4","6","8","1") = "7"
    & skf18("5","6","3","4","6","9","1") = "8"
    & skf18("5","6","3","4","6","10","1") = "9"
    & skf18("5","6","3","4","7","1","1") = "6"
    & skf18("5","6","3","4","7","2","1") = "6"
    & skf18("5","6","3","4","7","3","1") = "6"
    & skf18("5","6","3","4","7","4","1") = "6"
    & skf18("5","6","3","4","7","5","1") = "6"
    & skf18("5","6","3","4","7","6","1") = "6"
    & skf18("5","6","3","4","7","7","1") = "6"
    & skf18("5","6","3","4","7","8","1") = "7"
    & skf18("5","6","3","4","7","9","1") = "8"
    & skf18("5","6","3","4","7","10","1") = "9"
    & skf18("5","6","3","4","8","1","1") = "7"
    & skf18("5","6","3","4","8","2","1") = "7"
    & skf18("5","6","3","4","8","3","1") = "7"
    & skf18("5","6","3","4","8","4","1") = "7"
    & skf18("5","6","3","4","8","5","1") = "7"
    & skf18("5","6","3","4","8","6","1") = "7"
    & skf18("5","6","3","4","8","7","1") = "7"
    & skf18("5","6","3","4","8","8","1") = "7"
    & skf18("5","6","3","4","8","9","1") = "8"
    & skf18("5","6","3","4","8","10","1") = "9"
    & skf18("5","6","3","4","9","1","1") = "8"
    & skf18("5","6","3","4","9","2","1") = "8"
    & skf18("5","6","3","4","9","3","1") = "8"
    & skf18("5","6","3","4","9","4","1") = "8"
    & skf18("5","6","3","4","9","5","1") = "8"
    & skf18("5","6","3","4","9","6","1") = "8"
    & skf18("5","6","3","4","9","7","1") = "8"
    & skf18("5","6","3","4","9","8","1") = "8"
    & skf18("5","6","3","4","9","9","1") = "8"
    & skf18("5","6","3","4","9","10","1") = "9"
    & skf18("5","6","3","4","10","1","1") = "9"
    & skf18("5","6","3","4","10","2","1") = "9"
    & skf18("5","6","3","4","10","3","1") = "9"
    & skf18("5","6","3","4","10","4","1") = "9"
    & skf18("5","6","3","4","10","5","1") = "9"
    & skf18("5","6","3","4","10","6","1") = "9"
    & skf18("5","6","3","4","10","7","1") = "9"
    & skf18("5","6","3","4","10","8","1") = "9"
    & skf18("5","6","3","4","10","9","1") = "9"
    & skf18("5","6","3","4","10","10","1") = "9"
    & skf18("5","6","3","5","1","1","1") = "5"
    & skf18("5","6","3","5","1","2","1") = "5"
    & skf18("5","6","3","5","1","3","1") = "5"
    & skf18("5","6","3","5","1","4","1") = "5"
    & skf18("5","6","3","5","1","5","1") = "5"
    & skf18("5","6","3","5","1","6","1") = "5"
    & skf18("5","6","3","5","1","7","1") = "6"
    & skf18("5","6","3","5","1","8","1") = "7"
    & skf18("5","6","3","5","1","9","1") = "8"
    & skf18("5","6","3","5","1","10","1") = "9"
    & skf18("5","6","3","5","2","1","1") = "5"
    & skf18("5","6","3","5","2","2","1") = "5"
    & skf18("5","6","3","5","2","3","1") = "5"
    & skf18("5","6","3","5","2","4","1") = "5"
    & skf18("5","6","3","5","2","5","1") = "5"
    & skf18("5","6","3","5","2","6","1") = "5"
    & skf18("5","6","3","5","2","7","1") = "6"
    & skf18("5","6","3","5","2","8","1") = "7"
    & skf18("5","6","3","5","2","9","1") = "8"
    & skf18("5","6","3","5","2","10","1") = "9"
    & skf18("5","6","3","5","3","1","1") = "5"
    & skf18("5","6","3","5","3","2","1") = "5"
    & skf18("5","6","3","5","3","3","1") = "5"
    & skf18("5","6","3","5","3","4","1") = "5"
    & skf18("5","6","3","5","3","5","1") = "5"
    & skf18("5","6","3","5","3","6","1") = "5"
    & skf18("5","6","3","5","3","7","1") = "6"
    & skf18("5","6","3","5","3","8","1") = "7"
    & skf18("5","6","3","5","3","9","1") = "8"
    & skf18("5","6","3","5","3","10","1") = "9"
    & skf18("5","6","3","5","4","1","1") = "5"
    & skf18("5","6","3","5","4","2","1") = "5"
    & skf18("5","6","3","5","4","3","1") = "5"
    & skf18("5","6","3","5","4","4","1") = "5"
    & skf18("5","6","3","5","4","5","1") = "5"
    & skf18("5","6","3","5","4","6","1") = "5"
    & skf18("5","6","3","5","4","7","1") = "6"
    & skf18("5","6","3","5","4","8","1") = "7"
    & skf18("5","6","3","5","4","9","1") = "8"
    & skf18("5","6","3","5","4","10","1") = "9"
    & skf18("5","6","3","5","5","1","1") = "5"
    & skf18("5","6","3","5","5","2","1") = "5"
    & skf18("5","6","3","5","5","3","1") = "5"
    & skf18("5","6","3","5","5","4","1") = "5"
    & skf18("5","6","3","5","5","5","1") = "5"
    & skf18("5","6","3","5","5","6","1") = "5"
    & skf18("5","6","3","5","5","7","1") = "6"
    & skf18("5","6","3","5","5","8","1") = "7"
    & skf18("5","6","3","5","5","9","1") = "8"
    & skf18("5","6","3","5","5","10","1") = "9"
    & skf18("5","6","3","5","6","1","1") = "5"
    & skf18("5","6","3","5","6","2","1") = "5"
    & skf18("5","6","3","5","6","3","1") = "5"
    & skf18("5","6","3","5","6","4","1") = "5"
    & skf18("5","6","3","5","6","5","1") = "5"
    & skf18("5","6","3","5","6","6","1") = "5"
    & skf18("5","6","3","5","6","7","1") = "6"
    & skf18("5","6","3","5","6","8","1") = "7"
    & skf18("5","6","3","5","6","9","1") = "8"
    & skf18("5","6","3","5","6","10","1") = "9"
    & skf18("5","6","3","5","7","1","1") = "6"
    & skf18("5","6","3","5","7","2","1") = "6"
    & skf18("5","6","3","5","7","3","1") = "6"
    & skf18("5","6","3","5","7","4","1") = "6"
    & skf18("5","6","3","5","7","5","1") = "6"
    & skf18("5","6","3","5","7","6","1") = "6"
    & skf18("5","6","3","5","7","7","1") = "6"
    & skf18("5","6","3","5","7","8","1") = "7"
    & skf18("5","6","3","5","7","9","1") = "8"
    & skf18("5","6","3","5","7","10","1") = "9"
    & skf18("5","6","3","5","8","1","1") = "7"
    & skf18("5","6","3","5","8","2","1") = "7"
    & skf18("5","6","3","5","8","3","1") = "7"
    & skf18("5","6","3","5","8","4","1") = "7"
    & skf18("5","6","3","5","8","5","1") = "7"
    & skf18("5","6","3","5","8","6","1") = "7"
    & skf18("5","6","3","5","8","7","1") = "7"
    & skf18("5","6","3","5","8","8","1") = "7"
    & skf18("5","6","3","5","8","9","1") = "8"
    & skf18("5","6","3","5","8","10","1") = "9"
    & skf18("5","6","3","5","9","1","1") = "8"
    & skf18("5","6","3","5","9","2","1") = "8"
    & skf18("5","6","3","5","9","3","1") = "8"
    & skf18("5","6","3","5","9","4","1") = "8"
    & skf18("5","6","3","5","9","5","1") = "8"
    & skf18("5","6","3","5","9","6","1") = "8"
    & skf18("5","6","3","5","9","7","1") = "8"
    & skf18("5","6","3","5","9","8","1") = "8"
    & skf18("5","6","3","5","9","9","1") = "8"
    & skf18("5","6","3","5","9","10","1") = "9"
    & skf18("5","6","3","5","10","1","1") = "9"
    & skf18("5","6","3","5","10","2","1") = "9"
    & skf18("5","6","3","5","10","3","1") = "9"
    & skf18("5","6","3","5","10","4","1") = "9"
    & skf18("5","6","3","5","10","5","1") = "9"
    & skf18("5","6","3","5","10","6","1") = "9"
    & skf18("5","6","3","5","10","7","1") = "9"
    & skf18("5","6","3","5","10","8","1") = "9"
    & skf18("5","6","3","5","10","9","1") = "9"
    & skf18("5","6","3","5","10","10","1") = "9"
    & skf18("5","6","3","6","1","1","1") = "5"
    & skf18("5","6","3","6","1","2","1") = "5"
    & skf18("5","6","3","6","1","3","1") = "5"
    & skf18("5","6","3","6","1","4","1") = "5"
    & skf18("5","6","3","6","1","5","1") = "5"
    & skf18("5","6","3","6","1","6","1") = "5"
    & skf18("5","6","3","6","1","7","1") = "6"
    & skf18("5","6","3","6","1","8","1") = "7"
    & skf18("5","6","3","6","1","9","1") = "8"
    & skf18("5","6","3","6","1","10","1") = "9"
    & skf18("5","6","3","6","2","1","1") = "5"
    & skf18("5","6","3","6","2","2","1") = "5"
    & skf18("5","6","3","6","2","3","1") = "5"
    & skf18("5","6","3","6","2","4","1") = "5"
    & skf18("5","6","3","6","2","5","1") = "5"
    & skf18("5","6","3","6","2","6","1") = "5"
    & skf18("5","6","3","6","2","7","1") = "6"
    & skf18("5","6","3","6","2","8","1") = "7"
    & skf18("5","6","3","6","2","9","1") = "8"
    & skf18("5","6","3","6","2","10","1") = "9"
    & skf18("5","6","3","6","3","1","1") = "5"
    & skf18("5","6","3","6","3","2","1") = "5"
    & skf18("5","6","3","6","3","3","1") = "5"
    & skf18("5","6","3","6","3","4","1") = "5"
    & skf18("5","6","3","6","3","5","1") = "5"
    & skf18("5","6","3","6","3","6","1") = "5"
    & skf18("5","6","3","6","3","7","1") = "6"
    & skf18("5","6","3","6","3","8","1") = "7"
    & skf18("5","6","3","6","3","9","1") = "8"
    & skf18("5","6","3","6","3","10","1") = "9"
    & skf18("5","6","3","6","4","1","1") = "5"
    & skf18("5","6","3","6","4","2","1") = "5"
    & skf18("5","6","3","6","4","3","1") = "5"
    & skf18("5","6","3","6","4","4","1") = "5"
    & skf18("5","6","3","6","4","5","1") = "5"
    & skf18("5","6","3","6","4","6","1") = "5"
    & skf18("5","6","3","6","4","7","1") = "6"
    & skf18("5","6","3","6","4","8","1") = "7"
    & skf18("5","6","3","6","4","9","1") = "8"
    & skf18("5","6","3","6","4","10","1") = "9"
    & skf18("5","6","3","6","5","1","1") = "5"
    & skf18("5","6","3","6","5","2","1") = "5"
    & skf18("5","6","3","6","5","3","1") = "5"
    & skf18("5","6","3","6","5","4","1") = "5"
    & skf18("5","6","3","6","5","5","1") = "5"
    & skf18("5","6","3","6","5","6","1") = "5"
    & skf18("5","6","3","6","5","7","1") = "6"
    & skf18("5","6","3","6","5","8","1") = "7"
    & skf18("5","6","3","6","5","9","1") = "8"
    & skf18("5","6","3","6","5","10","1") = "9"
    & skf18("5","6","3","6","6","1","1") = "5"
    & skf18("5","6","3","6","6","2","1") = "5"
    & skf18("5","6","3","6","6","3","1") = "5"
    & skf18("5","6","3","6","6","4","1") = "5"
    & skf18("5","6","3","6","6","5","1") = "5"
    & skf18("5","6","3","6","6","6","1") = "5"
    & skf18("5","6","3","6","6","7","1") = "6"
    & skf18("5","6","3","6","6","8","1") = "7"
    & skf18("5","6","3","6","6","9","1") = "8"
    & skf18("5","6","3","6","6","10","1") = "9"
    & skf18("5","6","3","6","7","1","1") = "6"
    & skf18("5","6","3","6","7","2","1") = "6"
    & skf18("5","6","3","6","7","3","1") = "6"
    & skf18("5","6","3","6","7","4","1") = "6"
    & skf18("5","6","3","6","7","5","1") = "6"
    & skf18("5","6","3","6","7","6","1") = "6"
    & skf18("5","6","3","6","7","7","1") = "6"
    & skf18("5","6","3","6","7","8","1") = "7"
    & skf18("5","6","3","6","7","9","1") = "8"
    & skf18("5","6","3","6","7","10","1") = "9"
    & skf18("5","6","3","6","8","1","1") = "7"
    & skf18("5","6","3","6","8","2","1") = "7"
    & skf18("5","6","3","6","8","3","1") = "7"
    & skf18("5","6","3","6","8","4","1") = "7"
    & skf18("5","6","3","6","8","5","1") = "7"
    & skf18("5","6","3","6","8","6","1") = "7"
    & skf18("5","6","3","6","8","7","1") = "7"
    & skf18("5","6","3","6","8","8","1") = "7"
    & skf18("5","6","3","6","8","9","1") = "8"
    & skf18("5","6","3","6","8","10","1") = "9"
    & skf18("5","6","3","6","9","1","1") = "8"
    & skf18("5","6","3","6","9","2","1") = "8"
    & skf18("5","6","3","6","9","3","1") = "8"
    & skf18("5","6","3","6","9","4","1") = "8"
    & skf18("5","6","3","6","9","5","1") = "8"
    & skf18("5","6","3","6","9","6","1") = "8"
    & skf18("5","6","3","6","9","7","1") = "8"
    & skf18("5","6","3","6","9","8","1") = "8"
    & skf18("5","6","3","6","9","9","1") = "8"
    & skf18("5","6","3","6","9","10","1") = "9"
    & skf18("5","6","3","6","10","1","1") = "9"
    & skf18("5","6","3","6","10","2","1") = "9"
    & skf18("5","6","3","6","10","3","1") = "9"
    & skf18("5","6","3","6","10","4","1") = "9"
    & skf18("5","6","3","6","10","5","1") = "9"
    & skf18("5","6","3","6","10","6","1") = "9"
    & skf18("5","6","3","6","10","7","1") = "9"
    & skf18("5","6","3","6","10","8","1") = "9"
    & skf18("5","6","3","6","10","9","1") = "9"
    & skf18("5","6","3","6","10","10","1") = "9"
    & skf18("5","6","3","7","1","1","1") = "6"
    & skf18("5","6","3","7","1","2","1") = "6"
    & skf18("5","6","3","7","1","3","1") = "6"
    & skf18("5","6","3","7","1","4","1") = "6"
    & skf18("5","6","3","7","1","5","1") = "6"
    & skf18("5","6","3","7","1","6","1") = "6"
    & skf18("5","6","3","7","1","7","1") = "6"
    & skf18("5","6","3","7","1","8","1") = "7"
    & skf18("5","6","3","7","1","9","1") = "8"
    & skf18("5","6","3","7","1","10","1") = "9"
    & skf18("5","6","3","7","2","1","1") = "6"
    & skf18("5","6","3","7","2","2","1") = "6"
    & skf18("5","6","3","7","2","3","1") = "6"
    & skf18("5","6","3","7","2","4","1") = "6"
    & skf18("5","6","3","7","2","5","1") = "6"
    & skf18("5","6","3","7","2","6","1") = "6"
    & skf18("5","6","3","7","2","7","1") = "6"
    & skf18("5","6","3","7","2","8","1") = "7"
    & skf18("5","6","3","7","2","9","1") = "8"
    & skf18("5","6","3","7","2","10","1") = "9"
    & skf18("5","6","3","7","3","1","1") = "6"
    & skf18("5","6","3","7","3","2","1") = "6"
    & skf18("5","6","3","7","3","3","1") = "6"
    & skf18("5","6","3","7","3","4","1") = "6"
    & skf18("5","6","3","7","3","5","1") = "6"
    & skf18("5","6","3","7","3","6","1") = "6"
    & skf18("5","6","3","7","3","7","1") = "6"
    & skf18("5","6","3","7","3","8","1") = "7"
    & skf18("5","6","3","7","3","9","1") = "8"
    & skf18("5","6","3","7","3","10","1") = "9"
    & skf18("5","6","3","7","4","1","1") = "6"
    & skf18("5","6","3","7","4","2","1") = "6"
    & skf18("5","6","3","7","4","3","1") = "6"
    & skf18("5","6","3","7","4","4","1") = "6"
    & skf18("5","6","3","7","4","5","1") = "6"
    & skf18("5","6","3","7","4","6","1") = "6"
    & skf18("5","6","3","7","4","7","1") = "6"
    & skf18("5","6","3","7","4","8","1") = "7"
    & skf18("5","6","3","7","4","9","1") = "8"
    & skf18("5","6","3","7","4","10","1") = "9"
    & skf18("5","6","3","7","5","1","1") = "6"
    & skf18("5","6","3","7","5","2","1") = "6"
    & skf18("5","6","3","7","5","3","1") = "6"
    & skf18("5","6","3","7","5","4","1") = "6"
    & skf18("5","6","3","7","5","5","1") = "6"
    & skf18("5","6","3","7","5","6","1") = "6"
    & skf18("5","6","3","7","5","7","1") = "6"
    & skf18("5","6","3","7","5","8","1") = "7"
    & skf18("5","6","3","7","5","9","1") = "8"
    & skf18("5","6","3","7","5","10","1") = "9"
    & skf18("5","6","3","7","6","1","1") = "6"
    & skf18("5","6","3","7","6","2","1") = "6"
    & skf18("5","6","3","7","6","3","1") = "6"
    & skf18("5","6","3","7","6","4","1") = "6"
    & skf18("5","6","3","7","6","5","1") = "6"
    & skf18("5","6","3","7","6","6","1") = "6"
    & skf18("5","6","3","7","6","7","1") = "6"
    & skf18("5","6","3","7","6","8","1") = "7"
    & skf18("5","6","3","7","6","9","1") = "8"
    & skf18("5","6","3","7","6","10","1") = "9"
    & skf18("5","6","3","7","7","1","1") = "6"
    & skf18("5","6","3","7","7","2","1") = "6"
    & skf18("5","6","3","7","7","3","1") = "6"
    & skf18("5","6","3","7","7","4","1") = "6"
    & skf18("5","6","3","7","7","5","1") = "6"
    & skf18("5","6","3","7","7","6","1") = "6"
    & skf18("5","6","3","7","7","7","1") = "6"
    & skf18("5","6","3","7","7","8","1") = "7"
    & skf18("5","6","3","7","7","9","1") = "8"
    & skf18("5","6","3","7","7","10","1") = "9"
    & skf18("5","6","3","7","8","1","1") = "7"
    & skf18("5","6","3","7","8","2","1") = "7"
    & skf18("5","6","3","7","8","3","1") = "7"
    & skf18("5","6","3","7","8","4","1") = "7"
    & skf18("5","6","3","7","8","5","1") = "7"
    & skf18("5","6","3","7","8","6","1") = "7"
    & skf18("5","6","3","7","8","7","1") = "7"
    & skf18("5","6","3","7","8","8","1") = "7"
    & skf18("5","6","3","7","8","9","1") = "8"
    & skf18("5","6","3","7","8","10","1") = "9"
    & skf18("5","6","3","7","9","1","1") = "8"
    & skf18("5","6","3","7","9","2","1") = "8"
    & skf18("5","6","3","7","9","3","1") = "8"
    & skf18("5","6","3","7","9","4","1") = "8"
    & skf18("5","6","3","7","9","5","1") = "8"
    & skf18("5","6","3","7","9","6","1") = "8"
    & skf18("5","6","3","7","9","7","1") = "8"
    & skf18("5","6","3","7","9","8","1") = "8"
    & skf18("5","6","3","7","9","9","1") = "8"
    & skf18("5","6","3","7","9","10","1") = "9"
    & skf18("5","6","3","7","10","1","1") = "9"
    & skf18("5","6","3","7","10","2","1") = "9"
    & skf18("5","6","3","7","10","3","1") = "9"
    & skf18("5","6","3","7","10","4","1") = "9"
    & skf18("5","6","3","7","10","5","1") = "9"
    & skf18("5","6","3","7","10","6","1") = "9"
    & skf18("5","6","3","7","10","7","1") = "9"
    & skf18("5","6","3","7","10","8","1") = "9"
    & skf18("5","6","3","7","10","9","1") = "9"
    & skf18("5","6","3","7","10","10","1") = "9"
    & skf18("5","6","3","8","1","1","1") = "7"
    & skf18("5","6","3","8","1","2","1") = "7"
    & skf18("5","6","3","8","1","3","1") = "7"
    & skf18("5","6","3","8","1","4","1") = "7"
    & skf18("5","6","3","8","1","5","1") = "7"
    & skf18("5","6","3","8","1","6","1") = "7"
    & skf18("5","6","3","8","1","7","1") = "7"
    & skf18("5","6","3","8","1","8","1") = "7"
    & skf18("5","6","3","8","1","9","1") = "8"
    & skf18("5","6","3","8","1","10","1") = "9"
    & skf18("5","6","3","8","2","1","1") = "7"
    & skf18("5","6","3","8","2","2","1") = "7"
    & skf18("5","6","3","8","2","3","1") = "7"
    & skf18("5","6","3","8","2","4","1") = "7"
    & skf18("5","6","3","8","2","5","1") = "7"
    & skf18("5","6","3","8","2","6","1") = "7"
    & skf18("5","6","3","8","2","7","1") = "7"
    & skf18("5","6","3","8","2","8","1") = "7"
    & skf18("5","6","3","8","2","9","1") = "8"
    & skf18("5","6","3","8","2","10","1") = "9"
    & skf18("5","6","3","8","3","1","1") = "7"
    & skf18("5","6","3","8","3","2","1") = "7"
    & skf18("5","6","3","8","3","3","1") = "7"
    & skf18("5","6","3","8","3","4","1") = "7"
    & skf18("5","6","3","8","3","5","1") = "7"
    & skf18("5","6","3","8","3","6","1") = "7"
    & skf18("5","6","3","8","3","7","1") = "7"
    & skf18("5","6","3","8","3","8","1") = "7"
    & skf18("5","6","3","8","3","9","1") = "8"
    & skf18("5","6","3","8","3","10","1") = "9"
    & skf18("5","6","3","8","4","1","1") = "7"
    & skf18("5","6","3","8","4","2","1") = "7"
    & skf18("5","6","3","8","4","3","1") = "7"
    & skf18("5","6","3","8","4","4","1") = "7"
    & skf18("5","6","3","8","4","5","1") = "7"
    & skf18("5","6","3","8","4","6","1") = "7"
    & skf18("5","6","3","8","4","7","1") = "7"
    & skf18("5","6","3","8","4","8","1") = "7"
    & skf18("5","6","3","8","4","9","1") = "8"
    & skf18("5","6","3","8","4","10","1") = "9"
    & skf18("5","6","3","8","5","1","1") = "7"
    & skf18("5","6","3","8","5","2","1") = "7"
    & skf18("5","6","3","8","5","3","1") = "7"
    & skf18("5","6","3","8","5","4","1") = "7"
    & skf18("5","6","3","8","5","5","1") = "7"
    & skf18("5","6","3","8","5","6","1") = "7"
    & skf18("5","6","3","8","5","7","1") = "7"
    & skf18("5","6","3","8","5","8","1") = "7"
    & skf18("5","6","3","8","5","9","1") = "8"
    & skf18("5","6","3","8","5","10","1") = "9"
    & skf18("5","6","3","8","6","1","1") = "7"
    & skf18("5","6","3","8","6","2","1") = "7"
    & skf18("5","6","3","8","6","3","1") = "7"
    & skf18("5","6","3","8","6","4","1") = "7"
    & skf18("5","6","3","8","6","5","1") = "7"
    & skf18("5","6","3","8","6","6","1") = "7"
    & skf18("5","6","3","8","6","7","1") = "7"
    & skf18("5","6","3","8","6","8","1") = "7"
    & skf18("5","6","3","8","6","9","1") = "8"
    & skf18("5","6","3","8","6","10","1") = "9"
    & skf18("5","6","3","8","7","1","1") = "7"
    & skf18("5","6","3","8","7","2","1") = "7"
    & skf18("5","6","3","8","7","3","1") = "7"
    & skf18("5","6","3","8","7","4","1") = "7"
    & skf18("5","6","3","8","7","5","1") = "7"
    & skf18("5","6","3","8","7","6","1") = "7"
    & skf18("5","6","3","8","7","7","1") = "7"
    & skf18("5","6","3","8","7","8","1") = "7"
    & skf18("5","6","3","8","7","9","1") = "8"
    & skf18("5","6","3","8","7","10","1") = "9"
    & skf18("5","6","3","8","8","1","1") = "7"
    & skf18("5","6","3","8","8","2","1") = "7"
    & skf18("5","6","3","8","8","3","1") = "7"
    & skf18("5","6","3","8","8","4","1") = "7"
    & skf18("5","6","3","8","8","5","1") = "7"
    & skf18("5","6","3","8","8","6","1") = "7"
    & skf18("5","6","3","8","8","7","1") = "7"
    & skf18("5","6","3","8","8","8","1") = "7"
    & skf18("5","6","3","8","8","9","1") = "8"
    & skf18("5","6","3","8","8","10","1") = "9"
    & skf18("5","6","3","8","9","1","1") = "8"
    & skf18("5","6","3","8","9","2","1") = "8"
    & skf18("5","6","3","8","9","3","1") = "8"
    & skf18("5","6","3","8","9","4","1") = "8"
    & skf18("5","6","3","8","9","5","1") = "8"
    & skf18("5","6","3","8","9","6","1") = "8"
    & skf18("5","6","3","8","9","7","1") = "8"
    & skf18("5","6","3","8","9","8","1") = "8"
    & skf18("5","6","3","8","9","9","1") = "8"
    & skf18("5","6","3","8","9","10","1") = "9"
    & skf18("5","6","3","8","10","1","1") = "9"
    & skf18("5","6","3","8","10","2","1") = "9"
    & skf18("5","6","3","8","10","3","1") = "9"
    & skf18("5","6","3","8","10","4","1") = "9"
    & skf18("5","6","3","8","10","5","1") = "9"
    & skf18("5","6","3","8","10","6","1") = "9"
    & skf18("5","6","3","8","10","7","1") = "9"
    & skf18("5","6","3","8","10","8","1") = "9"
    & skf18("5","6","3","8","10","9","1") = "9"
    & skf18("5","6","3","8","10","10","1") = "9"
    & skf18("5","6","3","9","1","1","1") = "8"
    & skf18("5","6","3","9","1","2","1") = "8"
    & skf18("5","6","3","9","1","3","1") = "8"
    & skf18("5","6","3","9","1","4","1") = "8"
    & skf18("5","6","3","9","1","5","1") = "8"
    & skf18("5","6","3","9","1","6","1") = "8"
    & skf18("5","6","3","9","1","7","1") = "8"
    & skf18("5","6","3","9","1","8","1") = "8"
    & skf18("5","6","3","9","1","9","1") = "8"
    & skf18("5","6","3","9","1","10","1") = "9"
    & skf18("5","6","3","9","2","1","1") = "8"
    & skf18("5","6","3","9","2","2","1") = "8"
    & skf18("5","6","3","9","2","3","1") = "8"
    & skf18("5","6","3","9","2","4","1") = "8"
    & skf18("5","6","3","9","2","5","1") = "8"
    & skf18("5","6","3","9","2","6","1") = "8"
    & skf18("5","6","3","9","2","7","1") = "8"
    & skf18("5","6","3","9","2","8","1") = "8"
    & skf18("5","6","3","9","2","9","1") = "8"
    & skf18("5","6","3","9","2","10","1") = "9"
    & skf18("5","6","3","9","3","1","1") = "8"
    & skf18("5","6","3","9","3","2","1") = "8"
    & skf18("5","6","3","9","3","3","1") = "8"
    & skf18("5","6","3","9","3","4","1") = "8"
    & skf18("5","6","3","9","3","5","1") = "8"
    & skf18("5","6","3","9","3","6","1") = "8"
    & skf18("5","6","3","9","3","7","1") = "8"
    & skf18("5","6","3","9","3","8","1") = "8"
    & skf18("5","6","3","9","3","9","1") = "8"
    & skf18("5","6","3","9","3","10","1") = "9"
    & skf18("5","6","3","9","4","1","1") = "8"
    & skf18("5","6","3","9","4","2","1") = "8"
    & skf18("5","6","3","9","4","3","1") = "8"
    & skf18("5","6","3","9","4","4","1") = "8"
    & skf18("5","6","3","9","4","5","1") = "8"
    & skf18("5","6","3","9","4","6","1") = "8"
    & skf18("5","6","3","9","4","7","1") = "8"
    & skf18("5","6","3","9","4","8","1") = "8"
    & skf18("5","6","3","9","4","9","1") = "8"
    & skf18("5","6","3","9","4","10","1") = "9"
    & skf18("5","6","3","9","5","1","1") = "8"
    & skf18("5","6","3","9","5","2","1") = "8"
    & skf18("5","6","3","9","5","3","1") = "8"
    & skf18("5","6","3","9","5","4","1") = "8"
    & skf18("5","6","3","9","5","5","1") = "8"
    & skf18("5","6","3","9","5","6","1") = "8"
    & skf18("5","6","3","9","5","7","1") = "8"
    & skf18("5","6","3","9","5","8","1") = "8"
    & skf18("5","6","3","9","5","9","1") = "8"
    & skf18("5","6","3","9","5","10","1") = "9"
    & skf18("5","6","3","9","6","1","1") = "8"
    & skf18("5","6","3","9","6","2","1") = "8"
    & skf18("5","6","3","9","6","3","1") = "8"
    & skf18("5","6","3","9","6","4","1") = "8"
    & skf18("5","6","3","9","6","5","1") = "8"
    & skf18("5","6","3","9","6","6","1") = "8"
    & skf18("5","6","3","9","6","7","1") = "8"
    & skf18("5","6","3","9","6","8","1") = "8"
    & skf18("5","6","3","9","6","9","1") = "8"
    & skf18("5","6","3","9","6","10","1") = "9"
    & skf18("5","6","3","9","7","1","1") = "8"
    & skf18("5","6","3","9","7","2","1") = "8"
    & skf18("5","6","3","9","7","3","1") = "8"
    & skf18("5","6","3","9","7","4","1") = "8"
    & skf18("5","6","3","9","7","5","1") = "8"
    & skf18("5","6","3","9","7","6","1") = "8"
    & skf18("5","6","3","9","7","7","1") = "8"
    & skf18("5","6","3","9","7","8","1") = "8"
    & skf18("5","6","3","9","7","9","1") = "8"
    & skf18("5","6","3","9","7","10","1") = "9"
    & skf18("5","6","3","9","8","1","1") = "8"
    & skf18("5","6","3","9","8","2","1") = "8"
    & skf18("5","6","3","9","8","3","1") = "8"
    & skf18("5","6","3","9","8","4","1") = "8"
    & skf18("5","6","3","9","8","5","1") = "8"
    & skf18("5","6","3","9","8","6","1") = "8"
    & skf18("5","6","3","9","8","7","1") = "8"
    & skf18("5","6","3","9","8","8","1") = "8"
    & skf18("5","6","3","9","8","9","1") = "8"
    & skf18("5","6","3","9","8","10","1") = "9"
    & skf18("5","6","3","9","9","1","1") = "8"
    & skf18("5","6","3","9","9","2","1") = "8"
    & skf18("5","6","3","9","9","3","1") = "8"
    & skf18("5","6","3","9","9","4","1") = "8"
    & skf18("5","6","3","9","9","5","1") = "8"
    & skf18("5","6","3","9","9","6","1") = "8"
    & skf18("5","6","3","9","9","7","1") = "8"
    & skf18("5","6","3","9","9","8","1") = "8"
    & skf18("5","6","3","9","9","9","1") = "8"
    & skf18("5","6","3","9","9","10","1") = "9"
    & skf18("5","6","3","9","10","1","1") = "9"
    & skf18("5","6","3","9","10","2","1") = "9"
    & skf18("5","6","3","9","10","3","1") = "9"
    & skf18("5","6","3","9","10","4","1") = "9"
    & skf18("5","6","3","9","10","5","1") = "9"
    & skf18("5","6","3","9","10","6","1") = "9"
    & skf18("5","6","3","9","10","7","1") = "9"
    & skf18("5","6","3","9","10","8","1") = "9"
    & skf18("5","6","3","9","10","9","1") = "9"
    & skf18("5","6","3","9","10","10","1") = "9"
    & skf18("5","6","3","10","1","1","1") = "9"
    & skf18("5","6","3","10","1","2","1") = "9"
    & skf18("5","6","3","10","1","3","1") = "9"
    & skf18("5","6","3","10","1","4","1") = "9"
    & skf18("5","6","3","10","1","5","1") = "9"
    & skf18("5","6","3","10","1","6","1") = "9"
    & skf18("5","6","3","10","1","7","1") = "9"
    & skf18("5","6","3","10","1","8","1") = "9"
    & skf18("5","6","3","10","1","9","1") = "9"
    & skf18("5","6","3","10","1","10","1") = "9"
    & skf18("5","6","3","10","2","1","1") = "9"
    & skf18("5","6","3","10","2","2","1") = "9"
    & skf18("5","6","3","10","2","3","1") = "9"
    & skf18("5","6","3","10","2","4","1") = "9"
    & skf18("5","6","3","10","2","5","1") = "9"
    & skf18("5","6","3","10","2","6","1") = "9"
    & skf18("5","6","3","10","2","7","1") = "9"
    & skf18("5","6","3","10","2","8","1") = "9"
    & skf18("5","6","3","10","2","9","1") = "9"
    & skf18("5","6","3","10","2","10","1") = "9"
    & skf18("5","6","3","10","3","1","1") = "9"
    & skf18("5","6","3","10","3","2","1") = "9"
    & skf18("5","6","3","10","3","3","1") = "9"
    & skf18("5","6","3","10","3","4","1") = "9"
    & skf18("5","6","3","10","3","5","1") = "9"
    & skf18("5","6","3","10","3","6","1") = "9"
    & skf18("5","6","3","10","3","7","1") = "9"
    & skf18("5","6","3","10","3","8","1") = "9"
    & skf18("5","6","3","10","3","9","1") = "9"
    & skf18("5","6","3","10","3","10","1") = "9"
    & skf18("5","6","3","10","4","1","1") = "9"
    & skf18("5","6","3","10","4","2","1") = "9"
    & skf18("5","6","3","10","4","3","1") = "9"
    & skf18("5","6","3","10","4","4","1") = "9"
    & skf18("5","6","3","10","4","5","1") = "9"
    & skf18("5","6","3","10","4","6","1") = "9"
    & skf18("5","6","3","10","4","7","1") = "9"
    & skf18("5","6","3","10","4","8","1") = "9"
    & skf18("5","6","3","10","4","9","1") = "9"
    & skf18("5","6","3","10","4","10","1") = "9"
    & skf18("5","6","3","10","5","1","1") = "9"
    & skf18("5","6","3","10","5","2","1") = "9"
    & skf18("5","6","3","10","5","3","1") = "9"
    & skf18("5","6","3","10","5","4","1") = "9"
    & skf18("5","6","3","10","5","5","1") = "9"
    & skf18("5","6","3","10","5","6","1") = "9"
    & skf18("5","6","3","10","5","7","1") = "9"
    & skf18("5","6","3","10","5","8","1") = "9"
    & skf18("5","6","3","10","5","9","1") = "9"
    & skf18("5","6","3","10","5","10","1") = "9"
    & skf18("5","6","3","10","6","1","1") = "9"
    & skf18("5","6","3","10","6","2","1") = "9"
    & skf18("5","6","3","10","6","3","1") = "9"
    & skf18("5","6","3","10","6","4","1") = "9"
    & skf18("5","6","3","10","6","5","1") = "9"
    & skf18("5","6","3","10","6","6","1") = "9"
    & skf18("5","6","3","10","6","7","1") = "9"
    & skf18("5","6","3","10","6","8","1") = "9"
    & skf18("5","6","3","10","6","9","1") = "9"
    & skf18("5","6","3","10","6","10","1") = "9"
    & skf18("5","6","3","10","7","1","1") = "9"
    & skf18("5","6","3","10","7","2","1") = "9"
    & skf18("5","6","3","10","7","3","1") = "9"
    & skf18("5","6","3","10","7","4","1") = "9"
    & skf18("5","6","3","10","7","5","1") = "9"
    & skf18("5","6","3","10","7","6","1") = "9"
    & skf18("5","6","3","10","7","7","1") = "9"
    & skf18("5","6","3","10","7","8","1") = "9"
    & skf18("5","6","3","10","7","9","1") = "9"
    & skf18("5","6","3","10","7","10","1") = "9"
    & skf18("5","6","3","10","8","1","1") = "9"
    & skf18("5","6","3","10","8","2","1") = "9"
    & skf18("5","6","3","10","8","3","1") = "9"
    & skf18("5","6","3","10","8","4","1") = "9"
    & skf18("5","6","3","10","8","5","1") = "9"
    & skf18("5","6","3","10","8","6","1") = "9"
    & skf18("5","6","3","10","8","7","1") = "9"
    & skf18("5","6","3","10","8","8","1") = "9"
    & skf18("5","6","3","10","8","9","1") = "9"
    & skf18("5","6","3","10","8","10","1") = "9"
    & skf18("5","6","3","10","9","1","1") = "9"
    & skf18("5","6","3","10","9","2","1") = "9"
    & skf18("5","6","3","10","9","3","1") = "9"
    & skf18("5","6","3","10","9","4","1") = "9"
    & skf18("5","6","3","10","9","5","1") = "9"
    & skf18("5","6","3","10","9","6","1") = "9"
    & skf18("5","6","3","10","9","7","1") = "9"
    & skf18("5","6","3","10","9","8","1") = "9"
    & skf18("5","6","3","10","9","9","1") = "9"
    & skf18("5","6","3","10","9","10","1") = "9"
    & skf18("5","6","3","10","10","1","1") = "9"
    & skf18("5","6","3","10","10","2","1") = "9"
    & skf18("5","6","3","10","10","3","1") = "9"
    & skf18("5","6","3","10","10","4","1") = "9"
    & skf18("5","6","3","10","10","5","1") = "9"
    & skf18("5","6","3","10","10","6","1") = "9"
    & skf18("5","6","3","10","10","7","1") = "9"
    & skf18("5","6","3","10","10","8","1") = "9"
    & skf18("5","6","3","10","10","9","1") = "9"
    & skf18("5","6","3","10","10","10","1") = "9"
    & skf18("5","6","4","1","1","1","1") = "5"
    & skf18("5","6","4","1","1","2","1") = "5"
    & skf18("5","6","4","1","1","3","1") = "5"
    & skf18("5","6","4","1","1","4","1") = "5"
    & skf18("5","6","4","1","1","5","1") = "5"
    & skf18("5","6","4","1","1","6","1") = "5"
    & skf18("5","6","4","1","1","7","1") = "6"
    & skf18("5","6","4","1","1","8","1") = "7"
    & skf18("5","6","4","1","1","9","1") = "8"
    & skf18("5","6","4","1","1","10","1") = "9"
    & skf18("5","6","4","1","2","1","1") = "5"
    & skf18("5","6","4","1","2","2","1") = "5"
    & skf18("5","6","4","1","2","3","1") = "5"
    & skf18("5","6","4","1","2","4","1") = "5"
    & skf18("5","6","4","1","2","5","1") = "5"
    & skf18("5","6","4","1","2","6","1") = "5"
    & skf18("5","6","4","1","2","7","1") = "6"
    & skf18("5","6","4","1","2","8","1") = "7"
    & skf18("5","6","4","1","2","9","1") = "8"
    & skf18("5","6","4","1","2","10","1") = "9"
    & skf18("5","6","4","1","3","1","1") = "5"
    & skf18("5","6","4","1","3","2","1") = "5"
    & skf18("5","6","4","1","3","3","1") = "5"
    & skf18("5","6","4","1","3","4","1") = "5"
    & skf18("5","6","4","1","3","5","1") = "5"
    & skf18("5","6","4","1","3","6","1") = "5"
    & skf18("5","6","4","1","3","7","1") = "6"
    & skf18("5","6","4","1","3","8","1") = "7"
    & skf18("5","6","4","1","3","9","1") = "8"
    & skf18("5","6","4","1","3","10","1") = "9"
    & skf18("5","6","4","1","4","1","1") = "5"
    & skf18("5","6","4","1","4","2","1") = "5"
    & skf18("5","6","4","1","4","3","1") = "5"
    & skf18("5","6","4","1","4","4","1") = "5"
    & skf18("5","6","4","1","4","5","1") = "5"
    & skf18("5","6","4","1","4","6","1") = "5"
    & skf18("5","6","4","1","4","7","1") = "6"
    & skf18("5","6","4","1","4","8","1") = "7"
    & skf18("5","6","4","1","4","9","1") = "8"
    & skf18("5","6","4","1","4","10","1") = "9"
    & skf18("5","6","4","1","5","1","1") = "5"
    & skf18("5","6","4","1","5","2","1") = "5"
    & skf18("5","6","4","1","5","3","1") = "5"
    & skf18("5","6","4","1","5","4","1") = "5"
    & skf18("5","6","4","1","5","5","1") = "5"
    & skf18("5","6","4","1","5","6","1") = "5"
    & skf18("5","6","4","1","5","7","1") = "6"
    & skf18("5","6","4","1","5","8","1") = "7"
    & skf18("5","6","4","1","5","9","1") = "8"
    & skf18("5","6","4","1","5","10","1") = "9"
    & skf18("5","6","4","1","6","1","1") = "5"
    & skf18("5","6","4","1","6","2","1") = "5"
    & skf18("5","6","4","1","6","3","1") = "5"
    & skf18("5","6","4","1","6","4","1") = "5"
    & skf18("5","6","4","1","6","5","1") = "5"
    & skf18("5","6","4","1","6","6","1") = "5"
    & skf18("5","6","4","1","6","7","1") = "6"
    & skf18("5","6","4","1","6","8","1") = "7"
    & skf18("5","6","4","1","6","9","1") = "8"
    & skf18("5","6","4","1","6","10","1") = "9"
    & skf18("5","6","4","1","7","1","1") = "6"
    & skf18("5","6","4","1","7","2","1") = "6"
    & skf18("5","6","4","1","7","3","1") = "6"
    & skf18("5","6","4","1","7","4","1") = "6"
    & skf18("5","6","4","1","7","5","1") = "6"
    & skf18("5","6","4","1","7","6","1") = "6"
    & skf18("5","6","4","1","7","7","1") = "6"
    & skf18("5","6","4","1","7","8","1") = "7"
    & skf18("5","6","4","1","7","9","1") = "8"
    & skf18("5","6","4","1","7","10","1") = "9"
    & skf18("5","6","4","1","8","1","1") = "7"
    & skf18("5","6","4","1","8","2","1") = "7"
    & skf18("5","6","4","1","8","3","1") = "7"
    & skf18("5","6","4","1","8","4","1") = "7"
    & skf18("5","6","4","1","8","5","1") = "7"
    & skf18("5","6","4","1","8","6","1") = "7"
    & skf18("5","6","4","1","8","7","1") = "7"
    & skf18("5","6","4","1","8","8","1") = "7"
    & skf18("5","6","4","1","8","9","1") = "8"
    & skf18("5","6","4","1","8","10","1") = "9"
    & skf18("5","6","4","1","9","1","1") = "8"
    & skf18("5","6","4","1","9","2","1") = "8"
    & skf18("5","6","4","1","9","3","1") = "8"
    & skf18("5","6","4","1","9","4","1") = "8"
    & skf18("5","6","4","1","9","5","1") = "8"
    & skf18("5","6","4","1","9","6","1") = "8"
    & skf18("5","6","4","1","9","7","1") = "8"
    & skf18("5","6","4","1","9","8","1") = "8"
    & skf18("5","6","4","1","9","9","1") = "8"
    & skf18("5","6","4","1","9","10","1") = "9"
    & skf18("5","6","4","1","10","1","1") = "9"
    & skf18("5","6","4","1","10","2","1") = "9"
    & skf18("5","6","4","1","10","3","1") = "9"
    & skf18("5","6","4","1","10","4","1") = "9"
    & skf18("5","6","4","1","10","5","1") = "9"
    & skf18("5","6","4","1","10","6","1") = "9"
    & skf18("5","6","4","1","10","7","1") = "9"
    & skf18("5","6","4","1","10","8","1") = "9"
    & skf18("5","6","4","1","10","9","1") = "9"
    & skf18("5","6","4","1","10","10","1") = "9"
    & skf18("5","6","4","2","1","1","1") = "5"
    & skf18("5","6","4","2","1","2","1") = "5"
    & skf18("5","6","4","2","1","3","1") = "5"
    & skf18("5","6","4","2","1","4","1") = "5"
    & skf18("5","6","4","2","1","5","1") = "5"
    & skf18("5","6","4","2","1","6","1") = "5"
    & skf18("5","6","4","2","1","7","1") = "6"
    & skf18("5","6","4","2","1","8","1") = "7"
    & skf18("5","6","4","2","1","9","1") = "8"
    & skf18("5","6","4","2","1","10","1") = "9"
    & skf18("5","6","4","2","2","1","1") = "5"
    & skf18("5","6","4","2","2","2","1") = "5"
    & skf18("5","6","4","2","2","3","1") = "5"
    & skf18("5","6","4","2","2","4","1") = "5"
    & skf18("5","6","4","2","2","5","1") = "5"
    & skf18("5","6","4","2","2","6","1") = "5"
    & skf18("5","6","4","2","2","7","1") = "6"
    & skf18("5","6","4","2","2","8","1") = "7"
    & skf18("5","6","4","2","2","9","1") = "8"
    & skf18("5","6","4","2","2","10","1") = "9"
    & skf18("5","6","4","2","3","1","1") = "5"
    & skf18("5","6","4","2","3","2","1") = "5"
    & skf18("5","6","4","2","3","3","1") = "5"
    & skf18("5","6","4","2","3","4","1") = "5"
    & skf18("5","6","4","2","3","5","1") = "5"
    & skf18("5","6","4","2","3","6","1") = "5"
    & skf18("5","6","4","2","3","7","1") = "6"
    & skf18("5","6","4","2","3","8","1") = "7"
    & skf18("5","6","4","2","3","9","1") = "8"
    & skf18("5","6","4","2","3","10","1") = "9"
    & skf18("5","6","4","2","4","1","1") = "5"
    & skf18("5","6","4","2","4","2","1") = "5"
    & skf18("5","6","4","2","4","3","1") = "5"
    & skf18("5","6","4","2","4","4","1") = "5"
    & skf18("5","6","4","2","4","5","1") = "5"
    & skf18("5","6","4","2","4","6","1") = "5"
    & skf18("5","6","4","2","4","7","1") = "6"
    & skf18("5","6","4","2","4","8","1") = "7"
    & skf18("5","6","4","2","4","9","1") = "8"
    & skf18("5","6","4","2","4","10","1") = "9"
    & skf18("5","6","4","2","5","1","1") = "5"
    & skf18("5","6","4","2","5","2","1") = "5"
    & skf18("5","6","4","2","5","3","1") = "5"
    & skf18("5","6","4","2","5","4","1") = "5"
    & skf18("5","6","4","2","5","5","1") = "5"
    & skf18("5","6","4","2","5","6","1") = "5"
    & skf18("5","6","4","2","5","7","1") = "6"
    & skf18("5","6","4","2","5","8","1") = "7"
    & skf18("5","6","4","2","5","9","1") = "8"
    & skf18("5","6","4","2","5","10","1") = "9"
    & skf18("5","6","4","2","6","1","1") = "5"
    & skf18("5","6","4","2","6","2","1") = "5"
    & skf18("5","6","4","2","6","3","1") = "5"
    & skf18("5","6","4","2","6","4","1") = "5"
    & skf18("5","6","4","2","6","5","1") = "5"
    & skf18("5","6","4","2","6","6","1") = "5"
    & skf18("5","6","4","2","6","7","1") = "6"
    & skf18("5","6","4","2","6","8","1") = "7"
    & skf18("5","6","4","2","6","9","1") = "8"
    & skf18("5","6","4","2","6","10","1") = "9"
    & skf18("5","6","4","2","7","1","1") = "6"
    & skf18("5","6","4","2","7","2","1") = "6"
    & skf18("5","6","4","2","7","3","1") = "6"
    & skf18("5","6","4","2","7","4","1") = "6"
    & skf18("5","6","4","2","7","5","1") = "6"
    & skf18("5","6","4","2","7","6","1") = "6"
    & skf18("5","6","4","2","7","7","1") = "6"
    & skf18("5","6","4","2","7","8","1") = "7"
    & skf18("5","6","4","2","7","9","1") = "8"
    & skf18("5","6","4","2","7","10","1") = "9"
    & skf18("5","6","4","2","8","1","1") = "7"
    & skf18("5","6","4","2","8","2","1") = "7"
    & skf18("5","6","4","2","8","3","1") = "7"
    & skf18("5","6","4","2","8","4","1") = "7"
    & skf18("5","6","4","2","8","5","1") = "7"
    & skf18("5","6","4","2","8","6","1") = "7"
    & skf18("5","6","4","2","8","7","1") = "7"
    & skf18("5","6","4","2","8","8","1") = "7"
    & skf18("5","6","4","2","8","9","1") = "8"
    & skf18("5","6","4","2","8","10","1") = "9"
    & skf18("5","6","4","2","9","1","1") = "8"
    & skf18("5","6","4","2","9","2","1") = "8"
    & skf18("5","6","4","2","9","3","1") = "8"
    & skf18("5","6","4","2","9","4","1") = "8"
    & skf18("5","6","4","2","9","5","1") = "8"
    & skf18("5","6","4","2","9","6","1") = "8"
    & skf18("5","6","4","2","9","7","1") = "8"
    & skf18("5","6","4","2","9","8","1") = "8"
    & skf18("5","6","4","2","9","9","1") = "8"
    & skf18("5","6","4","2","9","10","1") = "9"
    & skf18("5","6","4","2","10","1","1") = "9"
    & skf18("5","6","4","2","10","2","1") = "9"
    & skf18("5","6","4","2","10","3","1") = "9"
    & skf18("5","6","4","2","10","4","1") = "9"
    & skf18("5","6","4","2","10","5","1") = "9"
    & skf18("5","6","4","2","10","6","1") = "9"
    & skf18("5","6","4","2","10","7","1") = "9"
    & skf18("5","6","4","2","10","8","1") = "9"
    & skf18("5","6","4","2","10","9","1") = "9"
    & skf18("5","6","4","2","10","10","1") = "9"
    & skf18("5","6","4","3","1","1","1") = "5"
    & skf18("5","6","4","3","1","2","1") = "5"
    & skf18("5","6","4","3","1","3","1") = "5"
    & skf18("5","6","4","3","1","4","1") = "5"
    & skf18("5","6","4","3","1","5","1") = "5"
    & skf18("5","6","4","3","1","6","1") = "5"
    & skf18("5","6","4","3","1","7","1") = "6"
    & skf18("5","6","4","3","1","8","1") = "7"
    & skf18("5","6","4","3","1","9","1") = "8"
    & skf18("5","6","4","3","1","10","1") = "9"
    & skf18("5","6","4","3","2","1","1") = "5"
    & skf18("5","6","4","3","2","2","1") = "5"
    & skf18("5","6","4","3","2","3","1") = "5"
    & skf18("5","6","4","3","2","4","1") = "5"
    & skf18("5","6","4","3","2","5","1") = "5"
    & skf18("5","6","4","3","2","6","1") = "5"
    & skf18("5","6","4","3","2","7","1") = "6"
    & skf18("5","6","4","3","2","8","1") = "7"
    & skf18("5","6","4","3","2","9","1") = "8"
    & skf18("5","6","4","3","2","10","1") = "9"
    & skf18("5","6","4","3","3","1","1") = "5"
    & skf18("5","6","4","3","3","2","1") = "5"
    & skf18("5","6","4","3","3","3","1") = "5"
    & skf18("5","6","4","3","3","4","1") = "5"
    & skf18("5","6","4","3","3","5","1") = "5"
    & skf18("5","6","4","3","3","6","1") = "5"
    & skf18("5","6","4","3","3","7","1") = "6"
    & skf18("5","6","4","3","3","8","1") = "7"
    & skf18("5","6","4","3","3","9","1") = "8"
    & skf18("5","6","4","3","3","10","1") = "9"
    & skf18("5","6","4","3","4","1","1") = "5"
    & skf18("5","6","4","3","4","2","1") = "5"
    & skf18("5","6","4","3","4","3","1") = "5"
    & skf18("5","6","4","3","4","4","1") = "5"
    & skf18("5","6","4","3","4","5","1") = "5"
    & skf18("5","6","4","3","4","6","1") = "5"
    & skf18("5","6","4","3","4","7","1") = "6"
    & skf18("5","6","4","3","4","8","1") = "7"
    & skf18("5","6","4","3","4","9","1") = "8"
    & skf18("5","6","4","3","4","10","1") = "9"
    & skf18("5","6","4","3","5","1","1") = "5"
    & skf18("5","6","4","3","5","2","1") = "5"
    & skf18("5","6","4","3","5","3","1") = "5"
    & skf18("5","6","4","3","5","4","1") = "5"
    & skf18("5","6","4","3","5","5","1") = "5"
    & skf18("5","6","4","3","5","6","1") = "5"
    & skf18("5","6","4","3","5","7","1") = "6"
    & skf18("5","6","4","3","5","8","1") = "7"
    & skf18("5","6","4","3","5","9","1") = "8"
    & skf18("5","6","4","3","5","10","1") = "9"
    & skf18("5","6","4","3","6","1","1") = "5"
    & skf18("5","6","4","3","6","2","1") = "5"
    & skf18("5","6","4","3","6","3","1") = "5"
    & skf18("5","6","4","3","6","4","1") = "5"
    & skf18("5","6","4","3","6","5","1") = "5"
    & skf18("5","6","4","3","6","6","1") = "5"
    & skf18("5","6","4","3","6","7","1") = "6"
    & skf18("5","6","4","3","6","8","1") = "7"
    & skf18("5","6","4","3","6","9","1") = "8"
    & skf18("5","6","4","3","6","10","1") = "9"
    & skf18("5","6","4","3","7","1","1") = "6"
    & skf18("5","6","4","3","7","2","1") = "6"
    & skf18("5","6","4","3","7","3","1") = "6"
    & skf18("5","6","4","3","7","4","1") = "6"
    & skf18("5","6","4","3","7","5","1") = "6"
    & skf18("5","6","4","3","7","6","1") = "6"
    & skf18("5","6","4","3","7","7","1") = "6"
    & skf18("5","6","4","3","7","8","1") = "7"
    & skf18("5","6","4","3","7","9","1") = "8"
    & skf18("5","6","4","3","7","10","1") = "9"
    & skf18("5","6","4","3","8","1","1") = "7"
    & skf18("5","6","4","3","8","2","1") = "7"
    & skf18("5","6","4","3","8","3","1") = "7"
    & skf18("5","6","4","3","8","4","1") = "7"
    & skf18("5","6","4","3","8","5","1") = "7"
    & skf18("5","6","4","3","8","6","1") = "7"
    & skf18("5","6","4","3","8","7","1") = "7"
    & skf18("5","6","4","3","8","8","1") = "7"
    & skf18("5","6","4","3","8","9","1") = "8"
    & skf18("5","6","4","3","8","10","1") = "9"
    & skf18("5","6","4","3","9","1","1") = "8"
    & skf18("5","6","4","3","9","2","1") = "8"
    & skf18("5","6","4","3","9","3","1") = "8"
    & skf18("5","6","4","3","9","4","1") = "8"
    & skf18("5","6","4","3","9","5","1") = "8"
    & skf18("5","6","4","3","9","6","1") = "8"
    & skf18("5","6","4","3","9","7","1") = "8"
    & skf18("5","6","4","3","9","8","1") = "8"
    & skf18("5","6","4","3","9","9","1") = "8"
    & skf18("5","6","4","3","9","10","1") = "9"
    & skf18("5","6","4","3","10","1","1") = "9"
    & skf18("5","6","4","3","10","2","1") = "9"
    & skf18("5","6","4","3","10","3","1") = "9"
    & skf18("5","6","4","3","10","4","1") = "9"
    & skf18("5","6","4","3","10","5","1") = "9"
    & skf18("5","6","4","3","10","6","1") = "9"
    & skf18("5","6","4","3","10","7","1") = "9"
    & skf18("5","6","4","3","10","8","1") = "9"
    & skf18("5","6","4","3","10","9","1") = "9"
    & skf18("5","6","4","3","10","10","1") = "9"
    & skf18("5","6","4","4","1","1","1") = "5"
    & skf18("5","6","4","4","1","2","1") = "5"
    & skf18("5","6","4","4","1","3","1") = "5"
    & skf18("5","6","4","4","1","4","1") = "5"
    & skf18("5","6","4","4","1","5","1") = "5"
    & skf18("5","6","4","4","1","6","1") = "5"
    & skf18("5","6","4","4","1","7","1") = "6"
    & skf18("5","6","4","4","1","8","1") = "7"
    & skf18("5","6","4","4","1","9","1") = "8"
    & skf18("5","6","4","4","1","10","1") = "9"
    & skf18("5","6","4","4","2","1","1") = "5"
    & skf18("5","6","4","4","2","2","1") = "5"
    & skf18("5","6","4","4","2","3","1") = "5"
    & skf18("5","6","4","4","2","4","1") = "5"
    & skf18("5","6","4","4","2","5","1") = "5"
    & skf18("5","6","4","4","2","6","1") = "5"
    & skf18("5","6","4","4","2","7","1") = "6"
    & skf18("5","6","4","4","2","8","1") = "7"
    & skf18("5","6","4","4","2","9","1") = "8"
    & skf18("5","6","4","4","2","10","1") = "9"
    & skf18("5","6","4","4","3","1","1") = "5"
    & skf18("5","6","4","4","3","2","1") = "5"
    & skf18("5","6","4","4","3","3","1") = "5"
    & skf18("5","6","4","4","3","4","1") = "5"
    & skf18("5","6","4","4","3","5","1") = "5"
    & skf18("5","6","4","4","3","6","1") = "5"
    & skf18("5","6","4","4","3","7","1") = "6"
    & skf18("5","6","4","4","3","8","1") = "7"
    & skf18("5","6","4","4","3","9","1") = "8"
    & skf18("5","6","4","4","3","10","1") = "9"
    & skf18("5","6","4","4","4","1","1") = "5"
    & skf18("5","6","4","4","4","2","1") = "5"
    & skf18("5","6","4","4","4","3","1") = "5"
    & skf18("5","6","4","4","4","4","1") = "5"
    & skf18("5","6","4","4","4","5","1") = "5"
    & skf18("5","6","4","4","4","6","1") = "5"
    & skf18("5","6","4","4","4","7","1") = "6"
    & skf18("5","6","4","4","4","8","1") = "7"
    & skf18("5","6","4","4","4","9","1") = "8"
    & skf18("5","6","4","4","4","10","1") = "9"
    & skf18("5","6","4","4","5","1","1") = "5"
    & skf18("5","6","4","4","5","2","1") = "5"
    & skf18("5","6","4","4","5","3","1") = "5"
    & skf18("5","6","4","4","5","4","1") = "5"
    & skf18("5","6","4","4","5","5","1") = "5"
    & skf18("5","6","4","4","5","6","1") = "5"
    & skf18("5","6","4","4","5","7","1") = "6"
    & skf18("5","6","4","4","5","8","1") = "7"
    & skf18("5","6","4","4","5","9","1") = "8"
    & skf18("5","6","4","4","5","10","1") = "9"
    & skf18("5","6","4","4","6","1","1") = "5"
    & skf18("5","6","4","4","6","2","1") = "5"
    & skf18("5","6","4","4","6","3","1") = "5"
    & skf18("5","6","4","4","6","4","1") = "5"
    & skf18("5","6","4","4","6","5","1") = "5"
    & skf18("5","6","4","4","6","6","1") = "5"
    & skf18("5","6","4","4","6","7","1") = "6"
    & skf18("5","6","4","4","6","8","1") = "7"
    & skf18("5","6","4","4","6","9","1") = "8"
    & skf18("5","6","4","4","6","10","1") = "9"
    & skf18("5","6","4","4","7","1","1") = "6"
    & skf18("5","6","4","4","7","2","1") = "6"
    & skf18("5","6","4","4","7","3","1") = "6"
    & skf18("5","6","4","4","7","4","1") = "6"
    & skf18("5","6","4","4","7","5","1") = "6"
    & skf18("5","6","4","4","7","6","1") = "6"
    & skf18("5","6","4","4","7","7","1") = "6"
    & skf18("5","6","4","4","7","8","1") = "7"
    & skf18("5","6","4","4","7","9","1") = "8"
    & skf18("5","6","4","4","7","10","1") = "9"
    & skf18("5","6","4","4","8","1","1") = "7"
    & skf18("5","6","4","4","8","2","1") = "7"
    & skf18("5","6","4","4","8","3","1") = "7"
    & skf18("5","6","4","4","8","4","1") = "7"
    & skf18("5","6","4","4","8","5","1") = "7"
    & skf18("5","6","4","4","8","6","1") = "7"
    & skf18("5","6","4","4","8","7","1") = "7"
    & skf18("5","6","4","4","8","8","1") = "7"
    & skf18("5","6","4","4","8","9","1") = "8"
    & skf18("5","6","4","4","8","10","1") = "9"
    & skf18("5","6","4","4","9","1","1") = "8"
    & skf18("5","6","4","4","9","2","1") = "8"
    & skf18("5","6","4","4","9","3","1") = "8"
    & skf18("5","6","4","4","9","4","1") = "8"
    & skf18("5","6","4","4","9","5","1") = "8"
    & skf18("5","6","4","4","9","6","1") = "8"
    & skf18("5","6","4","4","9","7","1") = "8"
    & skf18("5","6","4","4","9","8","1") = "8"
    & skf18("5","6","4","4","9","9","1") = "8"
    & skf18("5","6","4","4","9","10","1") = "9"
    & skf18("5","6","4","4","10","1","1") = "9"
    & skf18("5","6","4","4","10","2","1") = "9"
    & skf18("5","6","4","4","10","3","1") = "9"
    & skf18("5","6","4","4","10","4","1") = "9"
    & skf18("5","6","4","4","10","5","1") = "9"
    & skf18("5","6","4","4","10","6","1") = "9"
    & skf18("5","6","4","4","10","7","1") = "9"
    & skf18("5","6","4","4","10","8","1") = "9"
    & skf18("5","6","4","4","10","9","1") = "9"
    & skf18("5","6","4","4","10","10","1") = "9"
    & skf18("5","6","4","5","1","1","1") = "5"
    & skf18("5","6","4","5","1","2","1") = "5"
    & skf18("5","6","4","5","1","3","1") = "5"
    & skf18("5","6","4","5","1","4","1") = "5"
    & skf18("5","6","4","5","1","5","1") = "5"
    & skf18("5","6","4","5","1","6","1") = "5"
    & skf18("5","6","4","5","1","7","1") = "6"
    & skf18("5","6","4","5","1","8","1") = "7"
    & skf18("5","6","4","5","1","9","1") = "8"
    & skf18("5","6","4","5","1","10","1") = "9"
    & skf18("5","6","4","5","2","1","1") = "5"
    & skf18("5","6","4","5","2","2","1") = "5"
    & skf18("5","6","4","5","2","3","1") = "5"
    & skf18("5","6","4","5","2","4","1") = "5"
    & skf18("5","6","4","5","2","5","1") = "5"
    & skf18("5","6","4","5","2","6","1") = "5"
    & skf18("5","6","4","5","2","7","1") = "6"
    & skf18("5","6","4","5","2","8","1") = "7"
    & skf18("5","6","4","5","2","9","1") = "8"
    & skf18("5","6","4","5","2","10","1") = "9"
    & skf18("5","6","4","5","3","1","1") = "5"
    & skf18("5","6","4","5","3","2","1") = "5"
    & skf18("5","6","4","5","3","3","1") = "5"
    & skf18("5","6","4","5","3","4","1") = "5"
    & skf18("5","6","4","5","3","5","1") = "5"
    & skf18("5","6","4","5","3","6","1") = "5"
    & skf18("5","6","4","5","3","7","1") = "6"
    & skf18("5","6","4","5","3","8","1") = "7"
    & skf18("5","6","4","5","3","9","1") = "8"
    & skf18("5","6","4","5","3","10","1") = "9"
    & skf18("5","6","4","5","4","1","1") = "5"
    & skf18("5","6","4","5","4","2","1") = "5"
    & skf18("5","6","4","5","4","3","1") = "5"
    & skf18("5","6","4","5","4","4","1") = "5"
    & skf18("5","6","4","5","4","5","1") = "5"
    & skf18("5","6","4","5","4","6","1") = "5"
    & skf18("5","6","4","5","4","7","1") = "6"
    & skf18("5","6","4","5","4","8","1") = "7"
    & skf18("5","6","4","5","4","9","1") = "8"
    & skf18("5","6","4","5","4","10","1") = "9"
    & skf18("5","6","4","5","5","1","1") = "5"
    & skf18("5","6","4","5","5","2","1") = "5"
    & skf18("5","6","4","5","5","3","1") = "5"
    & skf18("5","6","4","5","5","4","1") = "5"
    & skf18("5","6","4","5","5","5","1") = "5"
    & skf18("5","6","4","5","5","6","1") = "5"
    & skf18("5","6","4","5","5","7","1") = "6"
    & skf18("5","6","4","5","5","8","1") = "7"
    & skf18("5","6","4","5","5","9","1") = "8"
    & skf18("5","6","4","5","5","10","1") = "9"
    & skf18("5","6","4","5","6","1","1") = "5"
    & skf18("5","6","4","5","6","2","1") = "5"
    & skf18("5","6","4","5","6","3","1") = "5"
    & skf18("5","6","4","5","6","4","1") = "5"
    & skf18("5","6","4","5","6","5","1") = "5"
    & skf18("5","6","4","5","6","6","1") = "5"
    & skf18("5","6","4","5","6","7","1") = "6"
    & skf18("5","6","4","5","6","8","1") = "7"
    & skf18("5","6","4","5","6","9","1") = "8"
    & skf18("5","6","4","5","6","10","1") = "9"
    & skf18("5","6","4","5","7","1","1") = "6"
    & skf18("5","6","4","5","7","2","1") = "6"
    & skf18("5","6","4","5","7","3","1") = "6"
    & skf18("5","6","4","5","7","4","1") = "6"
    & skf18("5","6","4","5","7","5","1") = "6"
    & skf18("5","6","4","5","7","6","1") = "6"
    & skf18("5","6","4","5","7","7","1") = "6"
    & skf18("5","6","4","5","7","8","1") = "7"
    & skf18("5","6","4","5","7","9","1") = "8"
    & skf18("5","6","4","5","7","10","1") = "9"
    & skf18("5","6","4","5","8","1","1") = "7"
    & skf18("5","6","4","5","8","2","1") = "7"
    & skf18("5","6","4","5","8","3","1") = "7"
    & skf18("5","6","4","5","8","4","1") = "7"
    & skf18("5","6","4","5","8","5","1") = "7"
    & skf18("5","6","4","5","8","6","1") = "7"
    & skf18("5","6","4","5","8","7","1") = "7"
    & skf18("5","6","4","5","8","8","1") = "7"
    & skf18("5","6","4","5","8","9","1") = "8"
    & skf18("5","6","4","5","8","10","1") = "9"
    & skf18("5","6","4","5","9","1","1") = "8"
    & skf18("5","6","4","5","9","2","1") = "8"
    & skf18("5","6","4","5","9","3","1") = "8"
    & skf18("5","6","4","5","9","4","1") = "8"
    & skf18("5","6","4","5","9","5","1") = "8"
    & skf18("5","6","4","5","9","6","1") = "8"
    & skf18("5","6","4","5","9","7","1") = "8"
    & skf18("5","6","4","5","9","8","1") = "8"
    & skf18("5","6","4","5","9","9","1") = "8"
    & skf18("5","6","4","5","9","10","1") = "9"
    & skf18("5","6","4","5","10","1","1") = "9"
    & skf18("5","6","4","5","10","2","1") = "9"
    & skf18("5","6","4","5","10","3","1") = "9"
    & skf18("5","6","4","5","10","4","1") = "9"
    & skf18("5","6","4","5","10","5","1") = "9"
    & skf18("5","6","4","5","10","6","1") = "9"
    & skf18("5","6","4","5","10","7","1") = "9"
    & skf18("5","6","4","5","10","8","1") = "9"
    & skf18("5","6","4","5","10","9","1") = "9"
    & skf18("5","6","4","5","10","10","1") = "9"
    & skf18("5","6","4","6","1","1","1") = "5"
    & skf18("5","6","4","6","1","2","1") = "5"
    & skf18("5","6","4","6","1","3","1") = "5"
    & skf18("5","6","4","6","1","4","1") = "5"
    & skf18("5","6","4","6","1","5","1") = "5"
    & skf18("5","6","4","6","1","6","1") = "5"
    & skf18("5","6","4","6","1","7","1") = "6"
    & skf18("5","6","4","6","1","8","1") = "7"
    & skf18("5","6","4","6","1","9","1") = "8"
    & skf18("5","6","4","6","1","10","1") = "9"
    & skf18("5","6","4","6","2","1","1") = "5"
    & skf18("5","6","4","6","2","2","1") = "5"
    & skf18("5","6","4","6","2","3","1") = "5"
    & skf18("5","6","4","6","2","4","1") = "5"
    & skf18("5","6","4","6","2","5","1") = "5"
    & skf18("5","6","4","6","2","6","1") = "5"
    & skf18("5","6","4","6","2","7","1") = "6"
    & skf18("5","6","4","6","2","8","1") = "7"
    & skf18("5","6","4","6","2","9","1") = "8"
    & skf18("5","6","4","6","2","10","1") = "9"
    & skf18("5","6","4","6","3","1","1") = "5"
    & skf18("5","6","4","6","3","2","1") = "5"
    & skf18("5","6","4","6","3","3","1") = "5"
    & skf18("5","6","4","6","3","4","1") = "5"
    & skf18("5","6","4","6","3","5","1") = "5"
    & skf18("5","6","4","6","3","6","1") = "5"
    & skf18("5","6","4","6","3","7","1") = "6"
    & skf18("5","6","4","6","3","8","1") = "7"
    & skf18("5","6","4","6","3","9","1") = "8"
    & skf18("5","6","4","6","3","10","1") = "9"
    & skf18("5","6","4","6","4","1","1") = "5"
    & skf18("5","6","4","6","4","2","1") = "5"
    & skf18("5","6","4","6","4","3","1") = "5"
    & skf18("5","6","4","6","4","4","1") = "5"
    & skf18("5","6","4","6","4","5","1") = "5"
    & skf18("5","6","4","6","4","6","1") = "5"
    & skf18("5","6","4","6","4","7","1") = "6"
    & skf18("5","6","4","6","4","8","1") = "7"
    & skf18("5","6","4","6","4","9","1") = "8"
    & skf18("5","6","4","6","4","10","1") = "9"
    & skf18("5","6","4","6","5","1","1") = "5"
    & skf18("5","6","4","6","5","2","1") = "5"
    & skf18("5","6","4","6","5","3","1") = "5"
    & skf18("5","6","4","6","5","4","1") = "5"
    & skf18("5","6","4","6","5","5","1") = "5"
    & skf18("5","6","4","6","5","6","1") = "5"
    & skf18("5","6","4","6","5","7","1") = "6"
    & skf18("5","6","4","6","5","8","1") = "7"
    & skf18("5","6","4","6","5","9","1") = "8"
    & skf18("5","6","4","6","5","10","1") = "9"
    & skf18("5","6","4","6","6","1","1") = "5"
    & skf18("5","6","4","6","6","2","1") = "5"
    & skf18("5","6","4","6","6","3","1") = "5"
    & skf18("5","6","4","6","6","4","1") = "5"
    & skf18("5","6","4","6","6","5","1") = "5"
    & skf18("5","6","4","6","6","6","1") = "5"
    & skf18("5","6","4","6","6","7","1") = "6"
    & skf18("5","6","4","6","6","8","1") = "7"
    & skf18("5","6","4","6","6","9","1") = "8"
    & skf18("5","6","4","6","6","10","1") = "9"
    & skf18("5","6","4","6","7","1","1") = "6"
    & skf18("5","6","4","6","7","2","1") = "6"
    & skf18("5","6","4","6","7","3","1") = "6"
    & skf18("5","6","4","6","7","4","1") = "6"
    & skf18("5","6","4","6","7","5","1") = "6"
    & skf18("5","6","4","6","7","6","1") = "6"
    & skf18("5","6","4","6","7","7","1") = "6"
    & skf18("5","6","4","6","7","8","1") = "7"
    & skf18("5","6","4","6","7","9","1") = "8"
    & skf18("5","6","4","6","7","10","1") = "9"
    & skf18("5","6","4","6","8","1","1") = "7"
    & skf18("5","6","4","6","8","2","1") = "7"
    & skf18("5","6","4","6","8","3","1") = "7"
    & skf18("5","6","4","6","8","4","1") = "7"
    & skf18("5","6","4","6","8","5","1") = "7"
    & skf18("5","6","4","6","8","6","1") = "7"
    & skf18("5","6","4","6","8","7","1") = "7"
    & skf18("5","6","4","6","8","8","1") = "7"
    & skf18("5","6","4","6","8","9","1") = "8"
    & skf18("5","6","4","6","8","10","1") = "9"
    & skf18("5","6","4","6","9","1","1") = "8"
    & skf18("5","6","4","6","9","2","1") = "8"
    & skf18("5","6","4","6","9","3","1") = "8"
    & skf18("5","6","4","6","9","4","1") = "8"
    & skf18("5","6","4","6","9","5","1") = "8"
    & skf18("5","6","4","6","9","6","1") = "8"
    & skf18("5","6","4","6","9","7","1") = "8"
    & skf18("5","6","4","6","9","8","1") = "8"
    & skf18("5","6","4","6","9","9","1") = "8"
    & skf18("5","6","4","6","9","10","1") = "9"
    & skf18("5","6","4","6","10","1","1") = "9"
    & skf18("5","6","4","6","10","2","1") = "9"
    & skf18("5","6","4","6","10","3","1") = "9"
    & skf18("5","6","4","6","10","4","1") = "9"
    & skf18("5","6","4","6","10","5","1") = "9"
    & skf18("5","6","4","6","10","6","1") = "9"
    & skf18("5","6","4","6","10","7","1") = "9"
    & skf18("5","6","4","6","10","8","1") = "9"
    & skf18("5","6","4","6","10","9","1") = "9"
    & skf18("5","6","4","6","10","10","1") = "9"
    & skf18("5","6","4","7","1","1","1") = "6"
    & skf18("5","6","4","7","1","2","1") = "6"
    & skf18("5","6","4","7","1","3","1") = "6"
    & skf18("5","6","4","7","1","4","1") = "6"
    & skf18("5","6","4","7","1","5","1") = "6"
    & skf18("5","6","4","7","1","6","1") = "6"
    & skf18("5","6","4","7","1","7","1") = "6"
    & skf18("5","6","4","7","1","8","1") = "7"
    & skf18("5","6","4","7","1","9","1") = "8"
    & skf18("5","6","4","7","1","10","1") = "9"
    & skf18("5","6","4","7","2","1","1") = "6"
    & skf18("5","6","4","7","2","2","1") = "6"
    & skf18("5","6","4","7","2","3","1") = "6"
    & skf18("5","6","4","7","2","4","1") = "6"
    & skf18("5","6","4","7","2","5","1") = "6"
    & skf18("5","6","4","7","2","6","1") = "6"
    & skf18("5","6","4","7","2","7","1") = "6"
    & skf18("5","6","4","7","2","8","1") = "7"
    & skf18("5","6","4","7","2","9","1") = "8"
    & skf18("5","6","4","7","2","10","1") = "9"
    & skf18("5","6","4","7","3","1","1") = "6"
    & skf18("5","6","4","7","3","2","1") = "6"
    & skf18("5","6","4","7","3","3","1") = "6"
    & skf18("5","6","4","7","3","4","1") = "6"
    & skf18("5","6","4","7","3","5","1") = "6"
    & skf18("5","6","4","7","3","6","1") = "6"
    & skf18("5","6","4","7","3","7","1") = "6"
    & skf18("5","6","4","7","3","8","1") = "7"
    & skf18("5","6","4","7","3","9","1") = "8"
    & skf18("5","6","4","7","3","10","1") = "9"
    & skf18("5","6","4","7","4","1","1") = "6"
    & skf18("5","6","4","7","4","2","1") = "6"
    & skf18("5","6","4","7","4","3","1") = "6"
    & skf18("5","6","4","7","4","4","1") = "6"
    & skf18("5","6","4","7","4","5","1") = "6"
    & skf18("5","6","4","7","4","6","1") = "6"
    & skf18("5","6","4","7","4","7","1") = "6"
    & skf18("5","6","4","7","4","8","1") = "7"
    & skf18("5","6","4","7","4","9","1") = "8"
    & skf18("5","6","4","7","4","10","1") = "9"
    & skf18("5","6","4","7","5","1","1") = "6"
    & skf18("5","6","4","7","5","2","1") = "6"
    & skf18("5","6","4","7","5","3","1") = "6"
    & skf18("5","6","4","7","5","4","1") = "6"
    & skf18("5","6","4","7","5","5","1") = "6"
    & skf18("5","6","4","7","5","6","1") = "6"
    & skf18("5","6","4","7","5","7","1") = "6"
    & skf18("5","6","4","7","5","8","1") = "7"
    & skf18("5","6","4","7","5","9","1") = "8"
    & skf18("5","6","4","7","5","10","1") = "9"
    & skf18("5","6","4","7","6","1","1") = "6"
    & skf18("5","6","4","7","6","2","1") = "6"
    & skf18("5","6","4","7","6","3","1") = "6"
    & skf18("5","6","4","7","6","4","1") = "6"
    & skf18("5","6","4","7","6","5","1") = "6"
    & skf18("5","6","4","7","6","6","1") = "6"
    & skf18("5","6","4","7","6","7","1") = "6"
    & skf18("5","6","4","7","6","8","1") = "7"
    & skf18("5","6","4","7","6","9","1") = "8"
    & skf18("5","6","4","7","6","10","1") = "9"
    & skf18("5","6","4","7","7","1","1") = "6"
    & skf18("5","6","4","7","7","2","1") = "6"
    & skf18("5","6","4","7","7","3","1") = "6"
    & skf18("5","6","4","7","7","4","1") = "6"
    & skf18("5","6","4","7","7","5","1") = "6"
    & skf18("5","6","4","7","7","6","1") = "6"
    & skf18("5","6","4","7","7","7","1") = "6"
    & skf18("5","6","4","7","7","8","1") = "7"
    & skf18("5","6","4","7","7","9","1") = "8"
    & skf18("5","6","4","7","7","10","1") = "9"
    & skf18("5","6","4","7","8","1","1") = "7"
    & skf18("5","6","4","7","8","2","1") = "7"
    & skf18("5","6","4","7","8","3","1") = "7"
    & skf18("5","6","4","7","8","4","1") = "7"
    & skf18("5","6","4","7","8","5","1") = "7"
    & skf18("5","6","4","7","8","6","1") = "7"
    & skf18("5","6","4","7","8","7","1") = "7"
    & skf18("5","6","4","7","8","8","1") = "7"
    & skf18("5","6","4","7","8","9","1") = "8"
    & skf18("5","6","4","7","8","10","1") = "9"
    & skf18("5","6","4","7","9","1","1") = "8"
    & skf18("5","6","4","7","9","2","1") = "8"
    & skf18("5","6","4","7","9","3","1") = "8"
    & skf18("5","6","4","7","9","4","1") = "8"
    & skf18("5","6","4","7","9","5","1") = "8"
    & skf18("5","6","4","7","9","6","1") = "8"
    & skf18("5","6","4","7","9","7","1") = "8"
    & skf18("5","6","4","7","9","8","1") = "8"
    & skf18("5","6","4","7","9","9","1") = "8"
    & skf18("5","6","4","7","9","10","1") = "9"
    & skf18("5","6","4","7","10","1","1") = "9"
    & skf18("5","6","4","7","10","2","1") = "9"
    & skf18("5","6","4","7","10","3","1") = "9"
    & skf18("5","6","4","7","10","4","1") = "9"
    & skf18("5","6","4","7","10","5","1") = "9"
    & skf18("5","6","4","7","10","6","1") = "9"
    & skf18("5","6","4","7","10","7","1") = "9"
    & skf18("5","6","4","7","10","8","1") = "9"
    & skf18("5","6","4","7","10","9","1") = "9"
    & skf18("5","6","4","7","10","10","1") = "9"
    & skf18("5","6","4","8","1","1","1") = "7"
    & skf18("5","6","4","8","1","2","1") = "7"
    & skf18("5","6","4","8","1","3","1") = "7"
    & skf18("5","6","4","8","1","4","1") = "7"
    & skf18("5","6","4","8","1","5","1") = "7"
    & skf18("5","6","4","8","1","6","1") = "7"
    & skf18("5","6","4","8","1","7","1") = "7"
    & skf18("5","6","4","8","1","8","1") = "7"
    & skf18("5","6","4","8","1","9","1") = "8"
    & skf18("5","6","4","8","1","10","1") = "9"
    & skf18("5","6","4","8","2","1","1") = "7"
    & skf18("5","6","4","8","2","2","1") = "7"
    & skf18("5","6","4","8","2","3","1") = "7"
    & skf18("5","6","4","8","2","4","1") = "7"
    & skf18("5","6","4","8","2","5","1") = "7"
    & skf18("5","6","4","8","2","6","1") = "7"
    & skf18("5","6","4","8","2","7","1") = "7"
    & skf18("5","6","4","8","2","8","1") = "7"
    & skf18("5","6","4","8","2","9","1") = "8"
    & skf18("5","6","4","8","2","10","1") = "9"
    & skf18("5","6","4","8","3","1","1") = "7"
    & skf18("5","6","4","8","3","2","1") = "7"
    & skf18("5","6","4","8","3","3","1") = "7"
    & skf18("5","6","4","8","3","4","1") = "7"
    & skf18("5","6","4","8","3","5","1") = "7"
    & skf18("5","6","4","8","3","6","1") = "7"
    & skf18("5","6","4","8","3","7","1") = "7"
    & skf18("5","6","4","8","3","8","1") = "7"
    & skf18("5","6","4","8","3","9","1") = "8"
    & skf18("5","6","4","8","3","10","1") = "9"
    & skf18("5","6","4","8","4","1","1") = "7"
    & skf18("5","6","4","8","4","2","1") = "7"
    & skf18("5","6","4","8","4","3","1") = "7"
    & skf18("5","6","4","8","4","4","1") = "7"
    & skf18("5","6","4","8","4","5","1") = "7"
    & skf18("5","6","4","8","4","6","1") = "7"
    & skf18("5","6","4","8","4","7","1") = "7"
    & skf18("5","6","4","8","4","8","1") = "7"
    & skf18("5","6","4","8","4","9","1") = "8"
    & skf18("5","6","4","8","4","10","1") = "9"
    & skf18("5","6","4","8","5","1","1") = "7"
    & skf18("5","6","4","8","5","2","1") = "7"
    & skf18("5","6","4","8","5","3","1") = "7"
    & skf18("5","6","4","8","5","4","1") = "7"
    & skf18("5","6","4","8","5","5","1") = "7"
    & skf18("5","6","4","8","5","6","1") = "7"
    & skf18("5","6","4","8","5","7","1") = "7"
    & skf18("5","6","4","8","5","8","1") = "7"
    & skf18("5","6","4","8","5","9","1") = "8"
    & skf18("5","6","4","8","5","10","1") = "9"
    & skf18("5","6","4","8","6","1","1") = "7"
    & skf18("5","6","4","8","6","2","1") = "7"
    & skf18("5","6","4","8","6","3","1") = "7"
    & skf18("5","6","4","8","6","4","1") = "7"
    & skf18("5","6","4","8","6","5","1") = "7"
    & skf18("5","6","4","8","6","6","1") = "7"
    & skf18("5","6","4","8","6","7","1") = "7"
    & skf18("5","6","4","8","6","8","1") = "7"
    & skf18("5","6","4","8","6","9","1") = "8"
    & skf18("5","6","4","8","6","10","1") = "9"
    & skf18("5","6","4","8","7","1","1") = "7"
    & skf18("5","6","4","8","7","2","1") = "7"
    & skf18("5","6","4","8","7","3","1") = "7"
    & skf18("5","6","4","8","7","4","1") = "7"
    & skf18("5","6","4","8","7","5","1") = "7"
    & skf18("5","6","4","8","7","6","1") = "7"
    & skf18("5","6","4","8","7","7","1") = "7"
    & skf18("5","6","4","8","7","8","1") = "7"
    & skf18("5","6","4","8","7","9","1") = "8"
    & skf18("5","6","4","8","7","10","1") = "9"
    & skf18("5","6","4","8","8","1","1") = "7"
    & skf18("5","6","4","8","8","2","1") = "7"
    & skf18("5","6","4","8","8","3","1") = "7"
    & skf18("5","6","4","8","8","4","1") = "7"
    & skf18("5","6","4","8","8","5","1") = "7"
    & skf18("5","6","4","8","8","6","1") = "7"
    & skf18("5","6","4","8","8","7","1") = "7"
    & skf18("5","6","4","8","8","8","1") = "7"
    & skf18("5","6","4","8","8","9","1") = "8"
    & skf18("5","6","4","8","8","10","1") = "9"
    & skf18("5","6","4","8","9","1","1") = "8"
    & skf18("5","6","4","8","9","2","1") = "8"
    & skf18("5","6","4","8","9","3","1") = "8"
    & skf18("5","6","4","8","9","4","1") = "8"
    & skf18("5","6","4","8","9","5","1") = "8"
    & skf18("5","6","4","8","9","6","1") = "8"
    & skf18("5","6","4","8","9","7","1") = "8"
    & skf18("5","6","4","8","9","8","1") = "8"
    & skf18("5","6","4","8","9","9","1") = "8"
    & skf18("5","6","4","8","9","10","1") = "9"
    & skf18("5","6","4","8","10","1","1") = "9"
    & skf18("5","6","4","8","10","2","1") = "9"
    & skf18("5","6","4","8","10","3","1") = "9"
    & skf18("5","6","4","8","10","4","1") = "9"
    & skf18("5","6","4","8","10","5","1") = "9"
    & skf18("5","6","4","8","10","6","1") = "9"
    & skf18("5","6","4","8","10","7","1") = "9"
    & skf18("5","6","4","8","10","8","1") = "9"
    & skf18("5","6","4","8","10","9","1") = "9"
    & skf18("5","6","4","8","10","10","1") = "9"
    & skf18("5","6","4","9","1","1","1") = "8"
    & skf18("5","6","4","9","1","2","1") = "8"
    & skf18("5","6","4","9","1","3","1") = "8"
    & skf18("5","6","4","9","1","4","1") = "8"
    & skf18("5","6","4","9","1","5","1") = "8"
    & skf18("5","6","4","9","1","6","1") = "8"
    & skf18("5","6","4","9","1","7","1") = "8"
    & skf18("5","6","4","9","1","8","1") = "8"
    & skf18("5","6","4","9","1","9","1") = "8"
    & skf18("5","6","4","9","1","10","1") = "9"
    & skf18("5","6","4","9","2","1","1") = "8"
    & skf18("5","6","4","9","2","2","1") = "8"
    & skf18("5","6","4","9","2","3","1") = "8"
    & skf18("5","6","4","9","2","4","1") = "8"
    & skf18("5","6","4","9","2","5","1") = "8"
    & skf18("5","6","4","9","2","6","1") = "8"
    & skf18("5","6","4","9","2","7","1") = "8"
    & skf18("5","6","4","9","2","8","1") = "8"
    & skf18("5","6","4","9","2","9","1") = "8"
    & skf18("5","6","4","9","2","10","1") = "9"
    & skf18("5","6","4","9","3","1","1") = "8"
    & skf18("5","6","4","9","3","2","1") = "8"
    & skf18("5","6","4","9","3","3","1") = "8"
    & skf18("5","6","4","9","3","4","1") = "8"
    & skf18("5","6","4","9","3","5","1") = "8"
    & skf18("5","6","4","9","3","6","1") = "8"
    & skf18("5","6","4","9","3","7","1") = "8"
    & skf18("5","6","4","9","3","8","1") = "8"
    & skf18("5","6","4","9","3","9","1") = "8"
    & skf18("5","6","4","9","3","10","1") = "9"
    & skf18("5","6","4","9","4","1","1") = "8"
    & skf18("5","6","4","9","4","2","1") = "8"
    & skf18("5","6","4","9","4","3","1") = "8"
    & skf18("5","6","4","9","4","4","1") = "8"
    & skf18("5","6","4","9","4","5","1") = "8"
    & skf18("5","6","4","9","4","6","1") = "8"
    & skf18("5","6","4","9","4","7","1") = "8"
    & skf18("5","6","4","9","4","8","1") = "8"
    & skf18("5","6","4","9","4","9","1") = "8"
    & skf18("5","6","4","9","4","10","1") = "9"
    & skf18("5","6","4","9","5","1","1") = "8"
    & skf18("5","6","4","9","5","2","1") = "8"
    & skf18("5","6","4","9","5","3","1") = "8"
    & skf18("5","6","4","9","5","4","1") = "8"
    & skf18("5","6","4","9","5","5","1") = "8"
    & skf18("5","6","4","9","5","6","1") = "8"
    & skf18("5","6","4","9","5","7","1") = "8"
    & skf18("5","6","4","9","5","8","1") = "8"
    & skf18("5","6","4","9","5","9","1") = "8"
    & skf18("5","6","4","9","5","10","1") = "9"
    & skf18("5","6","4","9","6","1","1") = "8"
    & skf18("5","6","4","9","6","2","1") = "8"
    & skf18("5","6","4","9","6","3","1") = "8"
    & skf18("5","6","4","9","6","4","1") = "8"
    & skf18("5","6","4","9","6","5","1") = "8"
    & skf18("5","6","4","9","6","6","1") = "8"
    & skf18("5","6","4","9","6","7","1") = "8"
    & skf18("5","6","4","9","6","8","1") = "8"
    & skf18("5","6","4","9","6","9","1") = "8"
    & skf18("5","6","4","9","6","10","1") = "9"
    & skf18("5","6","4","9","7","1","1") = "8"
    & skf18("5","6","4","9","7","2","1") = "8"
    & skf18("5","6","4","9","7","3","1") = "8"
    & skf18("5","6","4","9","7","4","1") = "8"
    & skf18("5","6","4","9","7","5","1") = "8"
    & skf18("5","6","4","9","7","6","1") = "8"
    & skf18("5","6","4","9","7","7","1") = "8"
    & skf18("5","6","4","9","7","8","1") = "8"
    & skf18("5","6","4","9","7","9","1") = "8"
    & skf18("5","6","4","9","7","10","1") = "9"
    & skf18("5","6","4","9","8","1","1") = "8"
    & skf18("5","6","4","9","8","2","1") = "8"
    & skf18("5","6","4","9","8","3","1") = "8"
    & skf18("5","6","4","9","8","4","1") = "8"
    & skf18("5","6","4","9","8","5","1") = "8"
    & skf18("5","6","4","9","8","6","1") = "8"
    & skf18("5","6","4","9","8","7","1") = "8"
    & skf18("5","6","4","9","8","8","1") = "8"
    & skf18("5","6","4","9","8","9","1") = "8"
    & skf18("5","6","4","9","8","10","1") = "9"
    & skf18("5","6","4","9","9","1","1") = "8"
    & skf18("5","6","4","9","9","2","1") = "8"
    & skf18("5","6","4","9","9","3","1") = "8"
    & skf18("5","6","4","9","9","4","1") = "8"
    & skf18("5","6","4","9","9","5","1") = "8"
    & skf18("5","6","4","9","9","6","1") = "8"
    & skf18("5","6","4","9","9","7","1") = "8"
    & skf18("5","6","4","9","9","8","1") = "8"
    & skf18("5","6","4","9","9","9","1") = "8"
    & skf18("5","6","4","9","9","10","1") = "9"
    & skf18("5","6","4","9","10","1","1") = "9"
    & skf18("5","6","4","9","10","2","1") = "9"
    & skf18("5","6","4","9","10","3","1") = "9"
    & skf18("5","6","4","9","10","4","1") = "9"
    & skf18("5","6","4","9","10","5","1") = "9"
    & skf18("5","6","4","9","10","6","1") = "9"
    & skf18("5","6","4","9","10","7","1") = "9"
    & skf18("5","6","4","9","10","8","1") = "9"
    & skf18("5","6","4","9","10","9","1") = "9"
    & skf18("5","6","4","9","10","10","1") = "9"
    & skf18("5","6","4","10","1","1","1") = "9"
    & skf18("5","6","4","10","1","2","1") = "9"
    & skf18("5","6","4","10","1","3","1") = "9"
    & skf18("5","6","4","10","1","4","1") = "9"
    & skf18("5","6","4","10","1","5","1") = "9"
    & skf18("5","6","4","10","1","6","1") = "9"
    & skf18("5","6","4","10","1","7","1") = "9"
    & skf18("5","6","4","10","1","8","1") = "9"
    & skf18("5","6","4","10","1","9","1") = "9"
    & skf18("5","6","4","10","1","10","1") = "9"
    & skf18("5","6","4","10","2","1","1") = "9"
    & skf18("5","6","4","10","2","2","1") = "9"
    & skf18("5","6","4","10","2","3","1") = "9"
    & skf18("5","6","4","10","2","4","1") = "9"
    & skf18("5","6","4","10","2","5","1") = "9"
    & skf18("5","6","4","10","2","6","1") = "9"
    & skf18("5","6","4","10","2","7","1") = "9"
    & skf18("5","6","4","10","2","8","1") = "9"
    & skf18("5","6","4","10","2","9","1") = "9"
    & skf18("5","6","4","10","2","10","1") = "9"
    & skf18("5","6","4","10","3","1","1") = "9"
    & skf18("5","6","4","10","3","2","1") = "9"
    & skf18("5","6","4","10","3","3","1") = "9"
    & skf18("5","6","4","10","3","4","1") = "9"
    & skf18("5","6","4","10","3","5","1") = "9"
    & skf18("5","6","4","10","3","6","1") = "9"
    & skf18("5","6","4","10","3","7","1") = "9"
    & skf18("5","6","4","10","3","8","1") = "9"
    & skf18("5","6","4","10","3","9","1") = "9"
    & skf18("5","6","4","10","3","10","1") = "9"
    & skf18("5","6","4","10","4","1","1") = "9"
    & skf18("5","6","4","10","4","2","1") = "9"
    & skf18("5","6","4","10","4","3","1") = "9"
    & skf18("5","6","4","10","4","4","1") = "9"
    & skf18("5","6","4","10","4","5","1") = "9"
    & skf18("5","6","4","10","4","6","1") = "9"
    & skf18("5","6","4","10","4","7","1") = "9"
    & skf18("5","6","4","10","4","8","1") = "9"
    & skf18("5","6","4","10","4","9","1") = "9"
    & skf18("5","6","4","10","4","10","1") = "9"
    & skf18("5","6","4","10","5","1","1") = "9"
    & skf18("5","6","4","10","5","2","1") = "9"
    & skf18("5","6","4","10","5","3","1") = "9"
    & skf18("5","6","4","10","5","4","1") = "9"
    & skf18("5","6","4","10","5","5","1") = "9"
    & skf18("5","6","4","10","5","6","1") = "9"
    & skf18("5","6","4","10","5","7","1") = "9"
    & skf18("5","6","4","10","5","8","1") = "9"
    & skf18("5","6","4","10","5","9","1") = "9"
    & skf18("5","6","4","10","5","10","1") = "9"
    & skf18("5","6","4","10","6","1","1") = "9"
    & skf18("5","6","4","10","6","2","1") = "9"
    & skf18("5","6","4","10","6","3","1") = "9"
    & skf18("5","6","4","10","6","4","1") = "9"
    & skf18("5","6","4","10","6","5","1") = "9"
    & skf18("5","6","4","10","6","6","1") = "9"
    & skf18("5","6","4","10","6","7","1") = "9"
    & skf18("5","6","4","10","6","8","1") = "9"
    & skf18("5","6","4","10","6","9","1") = "9"
    & skf18("5","6","4","10","6","10","1") = "9"
    & skf18("5","6","4","10","7","1","1") = "9"
    & skf18("5","6","4","10","7","2","1") = "9"
    & skf18("5","6","4","10","7","3","1") = "9"
    & skf18("5","6","4","10","7","4","1") = "9"
    & skf18("5","6","4","10","7","5","1") = "9"
    & skf18("5","6","4","10","7","6","1") = "9"
    & skf18("5","6","4","10","7","7","1") = "9"
    & skf18("5","6","4","10","7","8","1") = "9"
    & skf18("5","6","4","10","7","9","1") = "9"
    & skf18("5","6","4","10","7","10","1") = "9"
    & skf18("5","6","4","10","8","1","1") = "9"
    & skf18("5","6","4","10","8","2","1") = "9"
    & skf18("5","6","4","10","8","3","1") = "9"
    & skf18("5","6","4","10","8","4","1") = "9"
    & skf18("5","6","4","10","8","5","1") = "9"
    & skf18("5","6","4","10","8","6","1") = "9"
    & skf18("5","6","4","10","8","7","1") = "9"
    & skf18("5","6","4","10","8","8","1") = "9"
    & skf18("5","6","4","10","8","9","1") = "9"
    & skf18("5","6","4","10","8","10","1") = "9"
    & skf18("5","6","4","10","9","1","1") = "9"
    & skf18("5","6","4","10","9","2","1") = "9"
    & skf18("5","6","4","10","9","3","1") = "9"
    & skf18("5","6","4","10","9","4","1") = "9"
    & skf18("5","6","4","10","9","5","1") = "9"
    & skf18("5","6","4","10","9","6","1") = "9"
    & skf18("5","6","4","10","9","7","1") = "9"
    & skf18("5","6","4","10","9","8","1") = "9"
    & skf18("5","6","4","10","9","9","1") = "9"
    & skf18("5","6","4","10","9","10","1") = "9"
    & skf18("5","6","4","10","10","1","1") = "9"
    & skf18("5","6","4","10","10","2","1") = "9"
    & skf18("5","6","4","10","10","3","1") = "9"
    & skf18("5","6","4","10","10","4","1") = "9"
    & skf18("5","6","4","10","10","5","1") = "9"
    & skf18("5","6","4","10","10","6","1") = "9"
    & skf18("5","6","4","10","10","7","1") = "9"
    & skf18("5","6","4","10","10","8","1") = "9"
    & skf18("5","6","4","10","10","9","1") = "9"
    & skf18("5","6","4","10","10","10","1") = "9"
    & skf18("5","6","5","1","1","1","1") = "5"
    & skf18("5","6","5","1","1","2","1") = "5"
    & skf18("5","6","5","1","1","3","1") = "5"
    & skf18("5","6","5","1","1","4","1") = "5"
    & skf18("5","6","5","1","1","5","1") = "5"
    & skf18("5","6","5","1","1","6","1") = "5"
    & skf18("5","6","5","1","1","7","1") = "6"
    & skf18("5","6","5","1","1","8","1") = "7"
    & skf18("5","6","5","1","1","9","1") = "8"
    & skf18("5","6","5","1","1","10","1") = "9"
    & skf18("5","6","5","1","2","1","1") = "5"
    & skf18("5","6","5","1","2","2","1") = "5"
    & skf18("5","6","5","1","2","3","1") = "5"
    & skf18("5","6","5","1","2","4","1") = "5"
    & skf18("5","6","5","1","2","5","1") = "5"
    & skf18("5","6","5","1","2","6","1") = "4"
    & skf18("5","6","5","1","2","7","1") = "6"
    & skf18("5","6","5","1","2","8","1") = "7"
    & skf18("5","6","5","1","2","9","1") = "8"
    & skf18("5","6","5","1","2","10","1") = "9"
    & skf18("5","6","5","1","3","1","1") = "5"
    & skf18("5","6","5","1","3","2","1") = "5"
    & skf18("5","6","5","1","3","3","1") = "5"
    & skf18("5","6","5","1","3","4","1") = "5"
    & skf18("5","6","5","1","3","5","1") = "5"
    & skf18("5","6","5","1","3","6","1") = "5"
    & skf18("5","6","5","1","3","7","1") = "6"
    & skf18("5","6","5","1","3","8","1") = "7"
    & skf18("5","6","5","1","3","9","1") = "8"
    & skf18("5","6","5","1","3","10","1") = "9"
    & skf18("5","6","5","1","4","1","1") = "5"
    & skf18("5","6","5","1","4","2","1") = "5"
    & skf18("5","6","5","1","4","3","1") = "5"
    & skf18("5","6","5","1","4","4","1") = "5"
    & skf18("5","6","5","1","4","5","1") = "5"
    & skf18("5","6","5","1","4","6","1") = "5"
    & skf18("5","6","5","1","4","7","1") = "6"
    & skf18("5","6","5","1","4","8","1") = "7"
    & skf18("5","6","5","1","4","9","1") = "8"
    & skf18("5","6","5","1","4","10","1") = "9"
    & skf18("5","6","5","1","5","1","1") = "5"
    & skf18("5","6","5","1","5","2","1") = "5"
    & skf18("5","6","5","1","5","3","1") = "5"
    & skf18("5","6","5","1","5","4","1") = "5"
    & skf18("5","6","5","1","5","5","1") = "5"
    & skf18("5","6","5","1","5","6","1") = "5"
    & skf18("5","6","5","1","5","7","1") = "6"
    & skf18("5","6","5","1","5","8","1") = "7"
    & skf18("5","6","5","1","5","9","1") = "8"
    & skf18("5","6","5","1","5","10","1") = "9"
    & skf18("5","6","5","1","6","1","1") = "5"
    & skf18("5","6","5","1","6","2","1") = "5"
    & skf18("5","6","5","1","6","3","1") = "5"
    & skf18("5","6","5","1","6","4","1") = "5"
    & skf18("5","6","5","1","6","5","1") = "5"
    & skf18("5","6","5","1","6","6","1") = "5"
    & skf18("5","6","5","1","6","7","1") = "6"
    & skf18("5","6","5","1","6","8","1") = "7"
    & skf18("5","6","5","1","6","9","1") = "8"
    & skf18("5","6","5","1","6","10","1") = "9"
    & skf18("5","6","5","1","7","1","1") = "6"
    & skf18("5","6","5","1","7","2","1") = "6"
    & skf18("5","6","5","1","7","3","1") = "6"
    & skf18("5","6","5","1","7","4","1") = "6"
    & skf18("5","6","5","1","7","5","1") = "6"
    & skf18("5","6","5","1","7","6","1") = "6"
    & skf18("5","6","5","1","7","7","1") = "6"
    & skf18("5","6","5","1","7","8","1") = "7"
    & skf18("5","6","5","1","7","9","1") = "8"
    & skf18("5","6","5","1","7","10","1") = "9"
    & skf18("5","6","5","1","8","1","1") = "7"
    & skf18("5","6","5","1","8","2","1") = "7"
    & skf18("5","6","5","1","8","3","1") = "7"
    & skf18("5","6","5","1","8","4","1") = "7"
    & skf18("5","6","5","1","8","5","1") = "7"
    & skf18("5","6","5","1","8","6","1") = "7"
    & skf18("5","6","5","1","8","7","1") = "7"
    & skf18("5","6","5","1","8","8","1") = "7"
    & skf18("5","6","5","1","8","9","1") = "8"
    & skf18("5","6","5","1","8","10","1") = "9"
    & skf18("5","6","5","1","9","1","1") = "8"
    & skf18("5","6","5","1","9","2","1") = "8"
    & skf18("5","6","5","1","9","3","1") = "8"
    & skf18("5","6","5","1","9","4","1") = "8"
    & skf18("5","6","5","1","9","5","1") = "8"
    & skf18("5","6","5","1","9","6","1") = "8"
    & skf18("5","6","5","1","9","7","1") = "8"
    & skf18("5","6","5","1","9","8","1") = "8"
    & skf18("5","6","5","1","9","9","1") = "8"
    & skf18("5","6","5","1","9","10","1") = "9"
    & skf18("5","6","5","1","10","1","1") = "9"
    & skf18("5","6","5","1","10","2","1") = "9"
    & skf18("5","6","5","1","10","3","1") = "9"
    & skf18("5","6","5","1","10","4","1") = "9"
    & skf18("5","6","5","1","10","5","1") = "9"
    & skf18("5","6","5","1","10","6","1") = "9"
    & skf18("5","6","5","1","10","7","1") = "9"
    & skf18("5","6","5","1","10","8","1") = "9"
    & skf18("5","6","5","1","10","9","1") = "9"
    & skf18("5","6","5","1","10","10","1") = "9"
    & skf18("5","6","5","2","1","1","1") = "5"
    & skf18("5","6","5","2","1","2","1") = "5"
    & skf18("5","6","5","2","1","3","1") = "5"
    & skf18("5","6","5","2","1","4","1") = "5"
    & skf18("5","6","5","2","1","5","1") = "5"
    & skf18("5","6","5","2","1","6","1") = "5"
    & skf18("5","6","5","2","1","7","1") = "6"
    & skf18("5","6","5","2","1","8","1") = "7"
    & skf18("5","6","5","2","1","9","1") = "8"
    & skf18("5","6","5","2","1","10","1") = "9"
    & skf18("5","6","5","2","2","1","1") = "5"
    & skf18("5","6","5","2","2","2","1") = "5"
    & skf18("5","6","5","2","2","3","1") = "5"
    & skf18("5","6","5","2","2","4","1") = "5"
    & skf18("5","6","5","2","2","5","1") = "5"
    & skf18("5","6","5","2","2","6","1") = "5"
    & skf18("5","6","5","2","2","7","1") = "6"
    & skf18("5","6","5","2","2","8","1") = "7"
    & skf18("5","6","5","2","2","9","1") = "8"
    & skf18("5","6","5","2","2","10","1") = "9"
    & skf18("5","6","5","2","3","1","1") = "5"
    & skf18("5","6","5","2","3","2","1") = "5"
    & skf18("5","6","5","2","3","3","1") = "5"
    & skf18("5","6","5","2","3","4","1") = "5"
    & skf18("5","6","5","2","3","5","1") = "5"
    & skf18("5","6","5","2","3","6","1") = "5"
    & skf18("5","6","5","2","3","7","1") = "6"
    & skf18("5","6","5","2","3","8","1") = "7"
    & skf18("5","6","5","2","3","9","1") = "8"
    & skf18("5","6","5","2","3","10","1") = "9"
    & skf18("5","6","5","2","4","1","1") = "5"
    & skf18("5","6","5","2","4","2","1") = "5"
    & skf18("5","6","5","2","4","3","1") = "5"
    & skf18("5","6","5","2","4","4","1") = "5"
    & skf18("5","6","5","2","4","5","1") = "5"
    & skf18("5","6","5","2","4","6","1") = "5"
    & skf18("5","6","5","2","4","7","1") = "6"
    & skf18("5","6","5","2","4","8","1") = "7"
    & skf18("5","6","5","2","4","9","1") = "8"
    & skf18("5","6","5","2","4","10","1") = "9"
    & skf18("5","6","5","2","5","1","1") = "5"
    & skf18("5","6","5","2","5","2","1") = "5"
    & skf18("5","6","5","2","5","3","1") = "5"
    & skf18("5","6","5","2","5","4","1") = "5"
    & skf18("5","6","5","2","5","5","1") = "5"
    & skf18("5","6","5","2","5","6","1") = "5"
    & skf18("5","6","5","2","5","7","1") = "6"
    & skf18("5","6","5","2","5","8","1") = "7"
    & skf18("5","6","5","2","5","9","1") = "8"
    & skf18("5","6","5","2","5","10","1") = "9"
    & skf18("5","6","5","2","6","1","1") = "5"
    & skf18("5","6","5","2","6","2","1") = "5"
    & skf18("5","6","5","2","6","3","1") = "5"
    & skf18("5","6","5","2","6","4","1") = "5"
    & skf18("5","6","5","2","6","5","1") = "5"
    & skf18("5","6","5","2","6","6","1") = "5"
    & skf18("5","6","5","2","6","7","1") = "6"
    & skf18("5","6","5","2","6","8","1") = "7"
    & skf18("5","6","5","2","6","9","1") = "8"
    & skf18("5","6","5","2","6","10","1") = "9"
    & skf18("5","6","5","2","7","1","1") = "6"
    & skf18("5","6","5","2","7","2","1") = "6"
    & skf18("5","6","5","2","7","3","1") = "6"
    & skf18("5","6","5","2","7","4","1") = "6"
    & skf18("5","6","5","2","7","5","1") = "6"
    & skf18("5","6","5","2","7","6","1") = "6"
    & skf18("5","6","5","2","7","7","1") = "6"
    & skf18("5","6","5","2","7","8","1") = "7"
    & skf18("5","6","5","2","7","9","1") = "8"
    & skf18("5","6","5","2","7","10","1") = "9"
    & skf18("5","6","5","2","8","1","1") = "7"
    & skf18("5","6","5","2","8","2","1") = "7"
    & skf18("5","6","5","2","8","3","1") = "7"
    & skf18("5","6","5","2","8","4","1") = "7"
    & skf18("5","6","5","2","8","5","1") = "7"
    & skf18("5","6","5","2","8","6","1") = "7"
    & skf18("5","6","5","2","8","7","1") = "7"
    & skf18("5","6","5","2","8","8","1") = "7"
    & skf18("5","6","5","2","8","9","1") = "8"
    & skf18("5","6","5","2","8","10","1") = "9"
    & skf18("5","6","5","2","9","1","1") = "8"
    & skf18("5","6","5","2","9","2","1") = "8"
    & skf18("5","6","5","2","9","3","1") = "8"
    & skf18("5","6","5","2","9","4","1") = "8"
    & skf18("5","6","5","2","9","5","1") = "8"
    & skf18("5","6","5","2","9","6","1") = "8"
    & skf18("5","6","5","2","9","7","1") = "8"
    & skf18("5","6","5","2","9","8","1") = "8"
    & skf18("5","6","5","2","9","9","1") = "8"
    & skf18("5","6","5","2","9","10","1") = "9"
    & skf18("5","6","5","2","10","1","1") = "9"
    & skf18("5","6","5","2","10","2","1") = "9"
    & skf18("5","6","5","2","10","3","1") = "9"
    & skf18("5","6","5","2","10","4","1") = "9"
    & skf18("5","6","5","2","10","5","1") = "9"
    & skf18("5","6","5","2","10","6","1") = "9"
    & skf18("5","6","5","2","10","7","1") = "9"
    & skf18("5","6","5","2","10","8","1") = "9"
    & skf18("5","6","5","2","10","9","1") = "9"
    & skf18("5","6","5","2","10","10","1") = "9"
    & skf18("5","6","5","3","1","1","1") = "5"
    & skf18("5","6","5","3","1","2","1") = "5"
    & skf18("5","6","5","3","1","3","1") = "5"
    & skf18("5","6","5","3","1","4","1") = "5"
    & skf18("5","6","5","3","1","5","1") = "5"
    & skf18("5","6","5","3","1","6","1") = "5"
    & skf18("5","6","5","3","1","7","1") = "6"
    & skf18("5","6","5","3","1","8","1") = "7"
    & skf18("5","6","5","3","1","9","1") = "8"
    & skf18("5","6","5","3","1","10","1") = "9"
    & skf18("5","6","5","3","2","1","1") = "5"
    & skf18("5","6","5","3","2","2","1") = "5"
    & skf18("5","6","5","3","2","3","1") = "5"
    & skf18("5","6","5","3","2","4","1") = "5"
    & skf18("5","6","5","3","2","5","1") = "5"
    & skf18("5","6","5","3","2","6","1") = "5"
    & skf18("5","6","5","3","2","7","1") = "6"
    & skf18("5","6","5","3","2","8","1") = "7"
    & skf18("5","6","5","3","2","9","1") = "8"
    & skf18("5","6","5","3","2","10","1") = "9"
    & skf18("5","6","5","3","3","1","1") = "5"
    & skf18("5","6","5","3","3","2","1") = "5"
    & skf18("5","6","5","3","3","3","1") = "5"
    & skf18("5","6","5","3","3","4","1") = "5"
    & skf18("5","6","5","3","3","5","1") = "5"
    & skf18("5","6","5","3","3","6","1") = "5"
    & skf18("5","6","5","3","3","7","1") = "6"
    & skf18("5","6","5","3","3","8","1") = "7"
    & skf18("5","6","5","3","3","9","1") = "8"
    & skf18("5","6","5","3","3","10","1") = "9"
    & skf18("5","6","5","3","4","1","1") = "5"
    & skf18("5","6","5","3","4","2","1") = "5"
    & skf18("5","6","5","3","4","3","1") = "5"
    & skf18("5","6","5","3","4","4","1") = "5"
    & skf18("5","6","5","3","4","5","1") = "5"
    & skf18("5","6","5","3","4","6","1") = "5"
    & skf18("5","6","5","3","4","7","1") = "6"
    & skf18("5","6","5","3","4","8","1") = "7"
    & skf18("5","6","5","3","4","9","1") = "8"
    & skf18("5","6","5","3","4","10","1") = "9"
    & skf18("5","6","5","3","5","1","1") = "5"
    & skf18("5","6","5","3","5","2","1") = "5"
    & skf18("5","6","5","3","5","3","1") = "5"
    & skf18("5","6","5","3","5","4","1") = "5"
    & skf18("5","6","5","3","5","5","1") = "5"
    & skf18("5","6","5","3","5","6","1") = "5"
    & skf18("5","6","5","3","5","7","1") = "6"
    & skf18("5","6","5","3","5","8","1") = "7"
    & skf18("5","6","5","3","5","9","1") = "8"
    & skf18("5","6","5","3","5","10","1") = "9"
    & skf18("5","6","5","3","6","1","1") = "5"
    & skf18("5","6","5","3","6","2","1") = "5"
    & skf18("5","6","5","3","6","3","1") = "5"
    & skf18("5","6","5","3","6","4","1") = "5"
    & skf18("5","6","5","3","6","5","1") = "5"
    & skf18("5","6","5","3","6","6","1") = "5"
    & skf18("5","6","5","3","6","7","1") = "6"
    & skf18("5","6","5","3","6","8","1") = "7"
    & skf18("5","6","5","3","6","9","1") = "8"
    & skf18("5","6","5","3","6","10","1") = "9"
    & skf18("5","6","5","3","7","1","1") = "6"
    & skf18("5","6","5","3","7","2","1") = "6"
    & skf18("5","6","5","3","7","3","1") = "6"
    & skf18("5","6","5","3","7","4","1") = "6"
    & skf18("5","6","5","3","7","5","1") = "6"
    & skf18("5","6","5","3","7","6","1") = "6"
    & skf18("5","6","5","3","7","7","1") = "6"
    & skf18("5","6","5","3","7","8","1") = "7"
    & skf18("5","6","5","3","7","9","1") = "8"
    & skf18("5","6","5","3","7","10","1") = "9"
    & skf18("5","6","5","3","8","1","1") = "7"
    & skf18("5","6","5","3","8","2","1") = "7"
    & skf18("5","6","5","3","8","3","1") = "7"
    & skf18("5","6","5","3","8","4","1") = "7"
    & skf18("5","6","5","3","8","5","1") = "7"
    & skf18("5","6","5","3","8","6","1") = "7"
    & skf18("5","6","5","3","8","7","1") = "7"
    & skf18("5","6","5","3","8","8","1") = "7"
    & skf18("5","6","5","3","8","9","1") = "8"
    & skf18("5","6","5","3","8","10","1") = "9"
    & skf18("5","6","5","3","9","1","1") = "8"
    & skf18("5","6","5","3","9","2","1") = "8"
    & skf18("5","6","5","3","9","3","1") = "8"
    & skf18("5","6","5","3","9","4","1") = "8"
    & skf18("5","6","5","3","9","5","1") = "8"
    & skf18("5","6","5","3","9","6","1") = "8"
    & skf18("5","6","5","3","9","7","1") = "8"
    & skf18("5","6","5","3","9","8","1") = "8"
    & skf18("5","6","5","3","9","9","1") = "8"
    & skf18("5","6","5","3","9","10","1") = "9"
    & skf18("5","6","5","3","10","1","1") = "9"
    & skf18("5","6","5","3","10","2","1") = "9"
    & skf18("5","6","5","3","10","3","1") = "9"
    & skf18("5","6","5","3","10","4","1") = "9"
    & skf18("5","6","5","3","10","5","1") = "9"
    & skf18("5","6","5","3","10","6","1") = "9"
    & skf18("5","6","5","3","10","7","1") = "9"
    & skf18("5","6","5","3","10","8","1") = "9"
    & skf18("5","6","5","3","10","9","1") = "9"
    & skf18("5","6","5","3","10","10","1") = "9"
    & skf18("5","6","5","4","1","1","1") = "5"
    & skf18("5","6","5","4","1","2","1") = "5"
    & skf18("5","6","5","4","1","3","1") = "5"
    & skf18("5","6","5","4","1","4","1") = "5"
    & skf18("5","6","5","4","1","5","1") = "5"
    & skf18("5","6","5","4","1","6","1") = "5"
    & skf18("5","6","5","4","1","7","1") = "6"
    & skf18("5","6","5","4","1","8","1") = "7"
    & skf18("5","6","5","4","1","9","1") = "8"
    & skf18("5","6","5","4","1","10","1") = "9"
    & skf18("5","6","5","4","2","1","1") = "5"
    & skf18("5","6","5","4","2","2","1") = "5"
    & skf18("5","6","5","4","2","3","1") = "5"
    & skf18("5","6","5","4","2","4","1") = "5"
    & skf18("5","6","5","4","2","5","1") = "5"
    & skf18("5","6","5","4","2","6","1") = "5"
    & skf18("5","6","5","4","2","7","1") = "6"
    & skf18("5","6","5","4","2","8","1") = "7"
    & skf18("5","6","5","4","2","9","1") = "8"
    & skf18("5","6","5","4","2","10","1") = "9"
    & skf18("5","6","5","4","3","1","1") = "5"
    & skf18("5","6","5","4","3","2","1") = "5"
    & skf18("5","6","5","4","3","3","1") = "5"
    & skf18("5","6","5","4","3","4","1") = "5"
    & skf18("5","6","5","4","3","5","1") = "5"
    & skf18("5","6","5","4","3","6","1") = "5"
    & skf18("5","6","5","4","3","7","1") = "6"
    & skf18("5","6","5","4","3","8","1") = "7"
    & skf18("5","6","5","4","3","9","1") = "8"
    & skf18("5","6","5","4","3","10","1") = "9"
    & skf18("5","6","5","4","4","1","1") = "5"
    & skf18("5","6","5","4","4","2","1") = "5"
    & skf18("5","6","5","4","4","3","1") = "5"
    & skf18("5","6","5","4","4","4","1") = "5"
    & skf18("5","6","5","4","4","5","1") = "5"
    & skf18("5","6","5","4","4","6","1") = "5"
    & skf18("5","6","5","4","4","7","1") = "6"
    & skf18("5","6","5","4","4","8","1") = "7"
    & skf18("5","6","5","4","4","9","1") = "8"
    & skf18("5","6","5","4","4","10","1") = "9"
    & skf18("5","6","5","4","5","1","1") = "5"
    & skf18("5","6","5","4","5","2","1") = "5"
    & skf18("5","6","5","4","5","3","1") = "5"
    & skf18("5","6","5","4","5","4","1") = "5"
    & skf18("5","6","5","4","5","5","1") = "5"
    & skf18("5","6","5","4","5","6","1") = "5"
    & skf18("5","6","5","4","5","7","1") = "6"
    & skf18("5","6","5","4","5","8","1") = "7"
    & skf18("5","6","5","4","5","9","1") = "8"
    & skf18("5","6","5","4","5","10","1") = "9"
    & skf18("5","6","5","4","6","1","1") = "5"
    & skf18("5","6","5","4","6","2","1") = "5"
    & skf18("5","6","5","4","6","3","1") = "5"
    & skf18("5","6","5","4","6","4","1") = "5"
    & skf18("5","6","5","4","6","5","1") = "5"
    & skf18("5","6","5","4","6","6","1") = "5"
    & skf18("5","6","5","4","6","7","1") = "6"
    & skf18("5","6","5","4","6","8","1") = "7"
    & skf18("5","6","5","4","6","9","1") = "8"
    & skf18("5","6","5","4","6","10","1") = "9"
    & skf18("5","6","5","4","7","1","1") = "6"
    & skf18("5","6","5","4","7","2","1") = "6"
    & skf18("5","6","5","4","7","3","1") = "6"
    & skf18("5","6","5","4","7","4","1") = "6"
    & skf18("5","6","5","4","7","5","1") = "6"
    & skf18("5","6","5","4","7","6","1") = "6"
    & skf18("5","6","5","4","7","7","1") = "6"
    & skf18("5","6","5","4","7","8","1") = "7"
    & skf18("5","6","5","4","7","9","1") = "8"
    & skf18("5","6","5","4","7","10","1") = "9"
    & skf18("5","6","5","4","8","1","1") = "7"
    & skf18("5","6","5","4","8","2","1") = "7"
    & skf18("5","6","5","4","8","3","1") = "7"
    & skf18("5","6","5","4","8","4","1") = "7"
    & skf18("5","6","5","4","8","5","1") = "7"
    & skf18("5","6","5","4","8","6","1") = "7"
    & skf18("5","6","5","4","8","7","1") = "7"
    & skf18("5","6","5","4","8","8","1") = "7"
    & skf18("5","6","5","4","8","9","1") = "8"
    & skf18("5","6","5","4","8","10","1") = "9"
    & skf18("5","6","5","4","9","1","1") = "8"
    & skf18("5","6","5","4","9","2","1") = "8"
    & skf18("5","6","5","4","9","3","1") = "8"
    & skf18("5","6","5","4","9","4","1") = "8"
    & skf18("5","6","5","4","9","5","1") = "8"
    & skf18("5","6","5","4","9","6","1") = "8"
    & skf18("5","6","5","4","9","7","1") = "8"
    & skf18("5","6","5","4","9","8","1") = "8"
    & skf18("5","6","5","4","9","9","1") = "8"
    & skf18("5","6","5","4","9","10","1") = "9"
    & skf18("5","6","5","4","10","1","1") = "9"
    & skf18("5","6","5","4","10","2","1") = "9"
    & skf18("5","6","5","4","10","3","1") = "9"
    & skf18("5","6","5","4","10","4","1") = "9"
    & skf18("5","6","5","4","10","5","1") = "9"
    & skf18("5","6","5","4","10","6","1") = "9"
    & skf18("5","6","5","4","10","7","1") = "9"
    & skf18("5","6","5","4","10","8","1") = "9"
    & skf18("5","6","5","4","10","9","1") = "9"
    & skf18("5","6","5","4","10","10","1") = "9"
    & skf18("5","6","5","5","1","1","1") = "5"
    & skf18("5","6","5","5","1","2","1") = "5"
    & skf18("5","6","5","5","1","3","1") = "5"
    & skf18("5","6","5","5","1","4","1") = "5"
    & skf18("5","6","5","5","1","5","1") = "5"
    & skf18("5","6","5","5","1","6","1") = "5"
    & skf18("5","6","5","5","1","7","1") = "6"
    & skf18("5","6","5","5","1","8","1") = "7"
    & skf18("5","6","5","5","1","9","1") = "8"
    & skf18("5","6","5","5","1","10","1") = "9"
    & skf18("5","6","5","5","2","1","1") = "5"
    & skf18("5","6","5","5","2","2","1") = "5"
    & skf18("5","6","5","5","2","3","1") = "5"
    & skf18("5","6","5","5","2","4","1") = "5"
    & skf18("5","6","5","5","2","5","1") = "5"
    & skf18("5","6","5","5","2","6","1") = "5"
    & skf18("5","6","5","5","2","7","1") = "6"
    & skf18("5","6","5","5","2","8","1") = "7"
    & skf18("5","6","5","5","2","9","1") = "8"
    & skf18("5","6","5","5","2","10","1") = "9"
    & skf18("5","6","5","5","3","1","1") = "5"
    & skf18("5","6","5","5","3","2","1") = "5"
    & skf18("5","6","5","5","3","3","1") = "5"
    & skf18("5","6","5","5","3","4","1") = "5"
    & skf18("5","6","5","5","3","5","1") = "5"
    & skf18("5","6","5","5","3","6","1") = "5"
    & skf18("5","6","5","5","3","7","1") = "6"
    & skf18("5","6","5","5","3","8","1") = "7"
    & skf18("5","6","5","5","3","9","1") = "8"
    & skf18("5","6","5","5","3","10","1") = "9"
    & skf18("5","6","5","5","4","1","1") = "5"
    & skf18("5","6","5","5","4","2","1") = "5"
    & skf18("5","6","5","5","4","3","1") = "5"
    & skf18("5","6","5","5","4","4","1") = "5"
    & skf18("5","6","5","5","4","5","1") = "5"
    & skf18("5","6","5","5","4","6","1") = "5"
    & skf18("5","6","5","5","4","7","1") = "6"
    & skf18("5","6","5","5","4","8","1") = "7"
    & skf18("5","6","5","5","4","9","1") = "8"
    & skf18("5","6","5","5","4","10","1") = "9"
    & skf18("5","6","5","5","5","1","1") = "5"
    & skf18("5","6","5","5","5","2","1") = "5"
    & skf18("5","6","5","5","5","3","1") = "5"
    & skf18("5","6","5","5","5","4","1") = "5"
    & skf18("5","6","5","5","5","5","1") = "5"
    & skf18("5","6","5","5","5","6","1") = "5"
    & skf18("5","6","5","5","5","7","1") = "6"
    & skf18("5","6","5","5","5","8","1") = "7"
    & skf18("5","6","5","5","5","9","1") = "8"
    & skf18("5","6","5","5","5","10","1") = "9"
    & skf18("5","6","5","5","6","1","1") = "5"
    & skf18("5","6","5","5","6","2","1") = "5"
    & skf18("5","6","5","5","6","3","1") = "5"
    & skf18("5","6","5","5","6","4","1") = "5"
    & skf18("5","6","5","5","6","5","1") = "5"
    & skf18("5","6","5","5","6","6","1") = "5"
    & skf18("5","6","5","5","6","7","1") = "6"
    & skf18("5","6","5","5","6","8","1") = "7"
    & skf18("5","6","5","5","6","9","1") = "8"
    & skf18("5","6","5","5","6","10","1") = "9"
    & skf18("5","6","5","5","7","1","1") = "6"
    & skf18("5","6","5","5","7","2","1") = "6"
    & skf18("5","6","5","5","7","3","1") = "6"
    & skf18("5","6","5","5","7","4","1") = "6"
    & skf18("5","6","5","5","7","5","1") = "6"
    & skf18("5","6","5","5","7","6","1") = "6"
    & skf18("5","6","5","5","7","7","1") = "6"
    & skf18("5","6","5","5","7","8","1") = "7"
    & skf18("5","6","5","5","7","9","1") = "8"
    & skf18("5","6","5","5","7","10","1") = "9"
    & skf18("5","6","5","5","8","1","1") = "7"
    & skf18("5","6","5","5","8","2","1") = "7"
    & skf18("5","6","5","5","8","3","1") = "7"
    & skf18("5","6","5","5","8","4","1") = "7"
    & skf18("5","6","5","5","8","5","1") = "7"
    & skf18("5","6","5","5","8","6","1") = "7"
    & skf18("5","6","5","5","8","7","1") = "7"
    & skf18("5","6","5","5","8","8","1") = "7"
    & skf18("5","6","5","5","8","9","1") = "8"
    & skf18("5","6","5","5","8","10","1") = "9"
    & skf18("5","6","5","5","9","1","1") = "8"
    & skf18("5","6","5","5","9","2","1") = "8"
    & skf18("5","6","5","5","9","3","1") = "8"
    & skf18("5","6","5","5","9","4","1") = "8"
    & skf18("5","6","5","5","9","5","1") = "8"
    & skf18("5","6","5","5","9","6","1") = "8"
    & skf18("5","6","5","5","9","7","1") = "8"
    & skf18("5","6","5","5","9","8","1") = "8"
    & skf18("5","6","5","5","9","9","1") = "8"
    & skf18("5","6","5","5","9","10","1") = "9"
    & skf18("5","6","5","5","10","1","1") = "9"
    & skf18("5","6","5","5","10","2","1") = "9"
    & skf18("5","6","5","5","10","3","1") = "9"
    & skf18("5","6","5","5","10","4","1") = "9"
    & skf18("5","6","5","5","10","5","1") = "9"
    & skf18("5","6","5","5","10","6","1") = "9"
    & skf18("5","6","5","5","10","7","1") = "9"
    & skf18("5","6","5","5","10","8","1") = "9"
    & skf18("5","6","5","5","10","9","1") = "9"
    & skf18("5","6","5","5","10","10","1") = "9"
    & skf18("5","6","5","6","1","1","1") = "5"
    & skf18("5","6","5","6","1","2","1") = "5"
    & skf18("5","6","5","6","1","3","1") = "5"
    & skf18("5","6","5","6","1","4","1") = "5"
    & skf18("5","6","5","6","1","5","1") = "5"
    & skf18("5","6","5","6","1","6","1") = "5"
    & skf18("5","6","5","6","1","7","1") = "6"
    & skf18("5","6","5","6","1","8","1") = "7"
    & skf18("5","6","5","6","1","9","1") = "8"
    & skf18("5","6","5","6","1","10","1") = "9"
    & skf18("5","6","5","6","2","1","1") = "5"
    & skf18("5","6","5","6","2","2","1") = "5"
    & skf18("5","6","5","6","2","3","1") = "5"
    & skf18("5","6","5","6","2","4","1") = "5"
    & skf18("5","6","5","6","2","5","1") = "5"
    & skf18("5","6","5","6","2","6","1") = "5"
    & skf18("5","6","5","6","2","7","1") = "6"
    & skf18("5","6","5","6","2","8","1") = "7"
    & skf18("5","6","5","6","2","9","1") = "8"
    & skf18("5","6","5","6","2","10","1") = "9"
    & skf18("5","6","5","6","3","1","1") = "5"
    & skf18("5","6","5","6","3","2","1") = "5"
    & skf18("5","6","5","6","3","3","1") = "5"
    & skf18("5","6","5","6","3","4","1") = "5"
    & skf18("5","6","5","6","3","5","1") = "5"
    & skf18("5","6","5","6","3","6","1") = "5"
    & skf18("5","6","5","6","3","7","1") = "6"
    & skf18("5","6","5","6","3","8","1") = "7"
    & skf18("5","6","5","6","3","9","1") = "8"
    & skf18("5","6","5","6","3","10","1") = "9"
    & skf18("5","6","5","6","4","1","1") = "5"
    & skf18("5","6","5","6","4","2","1") = "5"
    & skf18("5","6","5","6","4","3","1") = "5"
    & skf18("5","6","5","6","4","4","1") = "5"
    & skf18("5","6","5","6","4","5","1") = "5"
    & skf18("5","6","5","6","4","6","1") = "5"
    & skf18("5","6","5","6","4","7","1") = "6"
    & skf18("5","6","5","6","4","8","1") = "7"
    & skf18("5","6","5","6","4","9","1") = "8"
    & skf18("5","6","5","6","4","10","1") = "9"
    & skf18("5","6","5","6","5","1","1") = "5"
    & skf18("5","6","5","6","5","2","1") = "5"
    & skf18("5","6","5","6","5","3","1") = "5"
    & skf18("5","6","5","6","5","4","1") = "5"
    & skf18("5","6","5","6","5","5","1") = "5"
    & skf18("5","6","5","6","5","6","1") = "5"
    & skf18("5","6","5","6","5","7","1") = "6"
    & skf18("5","6","5","6","5","8","1") = "7"
    & skf18("5","6","5","6","5","9","1") = "8"
    & skf18("5","6","5","6","5","10","1") = "9"
    & skf18("5","6","5","6","6","1","1") = "5"
    & skf18("5","6","5","6","6","2","1") = "5"
    & skf18("5","6","5","6","6","3","1") = "5"
    & skf18("5","6","5","6","6","4","1") = "5"
    & skf18("5","6","5","6","6","5","1") = "5"
    & skf18("5","6","5","6","6","6","1") = "5"
    & skf18("5","6","5","6","6","7","1") = "6"
    & skf18("5","6","5","6","6","8","1") = "7"
    & skf18("5","6","5","6","6","9","1") = "8"
    & skf18("5","6","5","6","6","10","1") = "9"
    & skf18("5","6","5","6","7","1","1") = "6"
    & skf18("5","6","5","6","7","2","1") = "6"
    & skf18("5","6","5","6","7","3","1") = "6"
    & skf18("5","6","5","6","7","4","1") = "6"
    & skf18("5","6","5","6","7","5","1") = "6"
    & skf18("5","6","5","6","7","6","1") = "6"
    & skf18("5","6","5","6","7","7","1") = "6"
    & skf18("5","6","5","6","7","8","1") = "7"
    & skf18("5","6","5","6","7","9","1") = "8"
    & skf18("5","6","5","6","7","10","1") = "9"
    & skf18("5","6","5","6","8","1","1") = "7"
    & skf18("5","6","5","6","8","2","1") = "7"
    & skf18("5","6","5","6","8","3","1") = "7"
    & skf18("5","6","5","6","8","4","1") = "7"
    & skf18("5","6","5","6","8","5","1") = "7"
    & skf18("5","6","5","6","8","6","1") = "7"
    & skf18("5","6","5","6","8","7","1") = "7"
    & skf18("5","6","5","6","8","8","1") = "7"
    & skf18("5","6","5","6","8","9","1") = "8"
    & skf18("5","6","5","6","8","10","1") = "9"
    & skf18("5","6","5","6","9","1","1") = "8"
    & skf18("5","6","5","6","9","2","1") = "8"
    & skf18("5","6","5","6","9","3","1") = "8"
    & skf18("5","6","5","6","9","4","1") = "8"
    & skf18("5","6","5","6","9","5","1") = "8"
    & skf18("5","6","5","6","9","6","1") = "8"
    & skf18("5","6","5","6","9","7","1") = "8"
    & skf18("5","6","5","6","9","8","1") = "8"
    & skf18("5","6","5","6","9","9","1") = "8"
    & skf18("5","6","5","6","9","10","1") = "9"
    & skf18("5","6","5","6","10","1","1") = "9"
    & skf18("5","6","5","6","10","2","1") = "9"
    & skf18("5","6","5","6","10","3","1") = "9"
    & skf18("5","6","5","6","10","4","1") = "9"
    & skf18("5","6","5","6","10","5","1") = "9"
    & skf18("5","6","5","6","10","6","1") = "9"
    & skf18("5","6","5","6","10","7","1") = "9"
    & skf18("5","6","5","6","10","8","1") = "9"
    & skf18("5","6","5","6","10","9","1") = "9"
    & skf18("5","6","5","6","10","10","1") = "9"
    & skf18("5","6","5","7","1","1","1") = "6"
    & skf18("5","6","5","7","1","2","1") = "6"
    & skf18("5","6","5","7","1","3","1") = "6"
    & skf18("5","6","5","7","1","4","1") = "6"
    & skf18("5","6","5","7","1","5","1") = "6"
    & skf18("5","6","5","7","1","6","1") = "6"
    & skf18("5","6","5","7","1","7","1") = "6"
    & skf18("5","6","5","7","1","8","1") = "7"
    & skf18("5","6","5","7","1","9","1") = "8"
    & skf18("5","6","5","7","1","10","1") = "9"
    & skf18("5","6","5","7","2","1","1") = "6"
    & skf18("5","6","5","7","2","2","1") = "6"
    & skf18("5","6","5","7","2","3","1") = "6"
    & skf18("5","6","5","7","2","4","1") = "6"
    & skf18("5","6","5","7","2","5","1") = "6"
    & skf18("5","6","5","7","2","6","1") = "6"
    & skf18("5","6","5","7","2","7","1") = "6"
    & skf18("5","6","5","7","2","8","1") = "7"
    & skf18("5","6","5","7","2","9","1") = "8"
    & skf18("5","6","5","7","2","10","1") = "9"
    & skf18("5","6","5","7","3","1","1") = "6"
    & skf18("5","6","5","7","3","2","1") = "6"
    & skf18("5","6","5","7","3","3","1") = "6"
    & skf18("5","6","5","7","3","4","1") = "6"
    & skf18("5","6","5","7","3","5","1") = "6"
    & skf18("5","6","5","7","3","6","1") = "6"
    & skf18("5","6","5","7","3","7","1") = "6"
    & skf18("5","6","5","7","3","8","1") = "7"
    & skf18("5","6","5","7","3","9","1") = "8"
    & skf18("5","6","5","7","3","10","1") = "9"
    & skf18("5","6","5","7","4","1","1") = "6"
    & skf18("5","6","5","7","4","2","1") = "6"
    & skf18("5","6","5","7","4","3","1") = "6"
    & skf18("5","6","5","7","4","4","1") = "6"
    & skf18("5","6","5","7","4","5","1") = "6"
    & skf18("5","6","5","7","4","6","1") = "6"
    & skf18("5","6","5","7","4","7","1") = "6"
    & skf18("5","6","5","7","4","8","1") = "7"
    & skf18("5","6","5","7","4","9","1") = "8"
    & skf18("5","6","5","7","4","10","1") = "9"
    & skf18("5","6","5","7","5","1","1") = "6"
    & skf18("5","6","5","7","5","2","1") = "6"
    & skf18("5","6","5","7","5","3","1") = "6"
    & skf18("5","6","5","7","5","4","1") = "6"
    & skf18("5","6","5","7","5","5","1") = "6"
    & skf18("5","6","5","7","5","6","1") = "6"
    & skf18("5","6","5","7","5","7","1") = "6"
    & skf18("5","6","5","7","5","8","1") = "7"
    & skf18("5","6","5","7","5","9","1") = "8"
    & skf18("5","6","5","7","5","10","1") = "9"
    & skf18("5","6","5","7","6","1","1") = "6"
    & skf18("5","6","5","7","6","2","1") = "6"
    & skf18("5","6","5","7","6","3","1") = "6"
    & skf18("5","6","5","7","6","4","1") = "6"
    & skf18("5","6","5","7","6","5","1") = "6"
    & skf18("5","6","5","7","6","6","1") = "6"
    & skf18("5","6","5","7","6","7","1") = "6"
    & skf18("5","6","5","7","6","8","1") = "7"
    & skf18("5","6","5","7","6","9","1") = "8"
    & skf18("5","6","5","7","6","10","1") = "9"
    & skf18("5","6","5","7","7","1","1") = "6"
    & skf18("5","6","5","7","7","2","1") = "6"
    & skf18("5","6","5","7","7","3","1") = "6"
    & skf18("5","6","5","7","7","4","1") = "6"
    & skf18("5","6","5","7","7","5","1") = "6"
    & skf18("5","6","5","7","7","6","1") = "6"
    & skf18("5","6","5","7","7","7","1") = "6"
    & skf18("5","6","5","7","7","8","1") = "7"
    & skf18("5","6","5","7","7","9","1") = "8"
    & skf18("5","6","5","7","7","10","1") = "9"
    & skf18("5","6","5","7","8","1","1") = "7"
    & skf18("5","6","5","7","8","2","1") = "7"
    & skf18("5","6","5","7","8","3","1") = "7"
    & skf18("5","6","5","7","8","4","1") = "7"
    & skf18("5","6","5","7","8","5","1") = "7"
    & skf18("5","6","5","7","8","6","1") = "7"
    & skf18("5","6","5","7","8","7","1") = "7"
    & skf18("5","6","5","7","8","8","1") = "7"
    & skf18("5","6","5","7","8","9","1") = "8"
    & skf18("5","6","5","7","8","10","1") = "9"
    & skf18("5","6","5","7","9","1","1") = "8"
    & skf18("5","6","5","7","9","2","1") = "8"
    & skf18("5","6","5","7","9","3","1") = "8"
    & skf18("5","6","5","7","9","4","1") = "8"
    & skf18("5","6","5","7","9","5","1") = "8"
    & skf18("5","6","5","7","9","6","1") = "8"
    & skf18("5","6","5","7","9","7","1") = "8"
    & skf18("5","6","5","7","9","8","1") = "8"
    & skf18("5","6","5","7","9","9","1") = "8"
    & skf18("5","6","5","7","9","10","1") = "9"
    & skf18("5","6","5","7","10","1","1") = "9"
    & skf18("5","6","5","7","10","2","1") = "9"
    & skf18("5","6","5","7","10","3","1") = "9"
    & skf18("5","6","5","7","10","4","1") = "9"
    & skf18("5","6","5","7","10","5","1") = "9"
    & skf18("5","6","5","7","10","6","1") = "9"
    & skf18("5","6","5","7","10","7","1") = "9"
    & skf18("5","6","5","7","10","8","1") = "9"
    & skf18("5","6","5","7","10","9","1") = "9"
    & skf18("5","6","5","7","10","10","1") = "9"
    & skf18("5","6","5","8","1","1","1") = "7"
    & skf18("5","6","5","8","1","2","1") = "7"
    & skf18("5","6","5","8","1","3","1") = "7"
    & skf18("5","6","5","8","1","4","1") = "7"
    & skf18("5","6","5","8","1","5","1") = "7"
    & skf18("5","6","5","8","1","6","1") = "7"
    & skf18("5","6","5","8","1","7","1") = "7"
    & skf18("5","6","5","8","1","8","1") = "7"
    & skf18("5","6","5","8","1","9","1") = "8"
    & skf18("5","6","5","8","1","10","1") = "9"
    & skf18("5","6","5","8","2","1","1") = "7"
    & skf18("5","6","5","8","2","2","1") = "7"
    & skf18("5","6","5","8","2","3","1") = "7"
    & skf18("5","6","5","8","2","4","1") = "7"
    & skf18("5","6","5","8","2","5","1") = "7"
    & skf18("5","6","5","8","2","6","1") = "7"
    & skf18("5","6","5","8","2","7","1") = "7"
    & skf18("5","6","5","8","2","8","1") = "7"
    & skf18("5","6","5","8","2","9","1") = "8"
    & skf18("5","6","5","8","2","10","1") = "9"
    & skf18("5","6","5","8","3","1","1") = "7"
    & skf18("5","6","5","8","3","2","1") = "7"
    & skf18("5","6","5","8","3","3","1") = "7"
    & skf18("5","6","5","8","3","4","1") = "7"
    & skf18("5","6","5","8","3","5","1") = "7"
    & skf18("5","6","5","8","3","6","1") = "7"
    & skf18("5","6","5","8","3","7","1") = "7"
    & skf18("5","6","5","8","3","8","1") = "7"
    & skf18("5","6","5","8","3","9","1") = "8"
    & skf18("5","6","5","8","3","10","1") = "9"
    & skf18("5","6","5","8","4","1","1") = "7"
    & skf18("5","6","5","8","4","2","1") = "7"
    & skf18("5","6","5","8","4","3","1") = "7"
    & skf18("5","6","5","8","4","4","1") = "7"
    & skf18("5","6","5","8","4","5","1") = "7"
    & skf18("5","6","5","8","4","6","1") = "7"
    & skf18("5","6","5","8","4","7","1") = "7"
    & skf18("5","6","5","8","4","8","1") = "7"
    & skf18("5","6","5","8","4","9","1") = "8"
    & skf18("5","6","5","8","4","10","1") = "9"
    & skf18("5","6","5","8","5","1","1") = "7"
    & skf18("5","6","5","8","5","2","1") = "7"
    & skf18("5","6","5","8","5","3","1") = "7"
    & skf18("5","6","5","8","5","4","1") = "7"
    & skf18("5","6","5","8","5","5","1") = "7"
    & skf18("5","6","5","8","5","6","1") = "7"
    & skf18("5","6","5","8","5","7","1") = "7"
    & skf18("5","6","5","8","5","8","1") = "7"
    & skf18("5","6","5","8","5","9","1") = "8"
    & skf18("5","6","5","8","5","10","1") = "9"
    & skf18("5","6","5","8","6","1","1") = "7"
    & skf18("5","6","5","8","6","2","1") = "7"
    & skf18("5","6","5","8","6","3","1") = "7"
    & skf18("5","6","5","8","6","4","1") = "7"
    & skf18("5","6","5","8","6","5","1") = "7"
    & skf18("5","6","5","8","6","6","1") = "7"
    & skf18("5","6","5","8","6","7","1") = "7"
    & skf18("5","6","5","8","6","8","1") = "7"
    & skf18("5","6","5","8","6","9","1") = "8"
    & skf18("5","6","5","8","6","10","1") = "9"
    & skf18("5","6","5","8","7","1","1") = "7"
    & skf18("5","6","5","8","7","2","1") = "7"
    & skf18("5","6","5","8","7","3","1") = "7"
    & skf18("5","6","5","8","7","4","1") = "7"
    & skf18("5","6","5","8","7","5","1") = "7"
    & skf18("5","6","5","8","7","6","1") = "7"
    & skf18("5","6","5","8","7","7","1") = "7"
    & skf18("5","6","5","8","7","8","1") = "7"
    & skf18("5","6","5","8","7","9","1") = "8"
    & skf18("5","6","5","8","7","10","1") = "9"
    & skf18("5","6","5","8","8","1","1") = "7"
    & skf18("5","6","5","8","8","2","1") = "7"
    & skf18("5","6","5","8","8","3","1") = "7"
    & skf18("5","6","5","8","8","4","1") = "7"
    & skf18("5","6","5","8","8","5","1") = "7"
    & skf18("5","6","5","8","8","6","1") = "7"
    & skf18("5","6","5","8","8","7","1") = "7"
    & skf18("5","6","5","8","8","8","1") = "7"
    & skf18("5","6","5","8","8","9","1") = "8"
    & skf18("5","6","5","8","8","10","1") = "9"
    & skf18("5","6","5","8","9","1","1") = "8"
    & skf18("5","6","5","8","9","2","1") = "8"
    & skf18("5","6","5","8","9","3","1") = "8"
    & skf18("5","6","5","8","9","4","1") = "8"
    & skf18("5","6","5","8","9","5","1") = "8"
    & skf18("5","6","5","8","9","6","1") = "8"
    & skf18("5","6","5","8","9","7","1") = "8"
    & skf18("5","6","5","8","9","8","1") = "8"
    & skf18("5","6","5","8","9","9","1") = "8"
    & skf18("5","6","5","8","9","10","1") = "9"
    & skf18("5","6","5","8","10","1","1") = "9"
    & skf18("5","6","5","8","10","2","1") = "9"
    & skf18("5","6","5","8","10","3","1") = "9"
    & skf18("5","6","5","8","10","4","1") = "9"
    & skf18("5","6","5","8","10","5","1") = "9"
    & skf18("5","6","5","8","10","6","1") = "9"
    & skf18("5","6","5","8","10","7","1") = "9"
    & skf18("5","6","5","8","10","8","1") = "9"
    & skf18("5","6","5","8","10","9","1") = "9"
    & skf18("5","6","5","8","10","10","1") = "9"
    & skf18("5","6","5","9","1","1","1") = "8"
    & skf18("5","6","5","9","1","2","1") = "8"
    & skf18("5","6","5","9","1","3","1") = "8"
    & skf18("5","6","5","9","1","4","1") = "8"
    & skf18("5","6","5","9","1","5","1") = "8"
    & skf18("5","6","5","9","1","6","1") = "8"
    & skf18("5","6","5","9","1","7","1") = "8"
    & skf18("5","6","5","9","1","8","1") = "8"
    & skf18("5","6","5","9","1","9","1") = "8"
    & skf18("5","6","5","9","1","10","1") = "9"
    & skf18("5","6","5","9","2","1","1") = "8"
    & skf18("5","6","5","9","2","2","1") = "8"
    & skf18("5","6","5","9","2","3","1") = "8"
    & skf18("5","6","5","9","2","4","1") = "8"
    & skf18("5","6","5","9","2","5","1") = "8"
    & skf18("5","6","5","9","2","6","1") = "8"
    & skf18("5","6","5","9","2","7","1") = "8"
    & skf18("5","6","5","9","2","8","1") = "8"
    & skf18("5","6","5","9","2","9","1") = "8"
    & skf18("5","6","5","9","2","10","1") = "9"
    & skf18("5","6","5","9","3","1","1") = "8"
    & skf18("5","6","5","9","3","2","1") = "8"
    & skf18("5","6","5","9","3","3","1") = "8"
    & skf18("5","6","5","9","3","4","1") = "8"
    & skf18("5","6","5","9","3","5","1") = "8"
    & skf18("5","6","5","9","3","6","1") = "8"
    & skf18("5","6","5","9","3","7","1") = "8"
    & skf18("5","6","5","9","3","8","1") = "8"
    & skf18("5","6","5","9","3","9","1") = "8"
    & skf18("5","6","5","9","3","10","1") = "9"
    & skf18("5","6","5","9","4","1","1") = "8"
    & skf18("5","6","5","9","4","2","1") = "8"
    & skf18("5","6","5","9","4","3","1") = "8"
    & skf18("5","6","5","9","4","4","1") = "8"
    & skf18("5","6","5","9","4","5","1") = "8"
    & skf18("5","6","5","9","4","6","1") = "8"
    & skf18("5","6","5","9","4","7","1") = "8"
    & skf18("5","6","5","9","4","8","1") = "8"
    & skf18("5","6","5","9","4","9","1") = "8"
    & skf18("5","6","5","9","4","10","1") = "9"
    & skf18("5","6","5","9","5","1","1") = "8"
    & skf18("5","6","5","9","5","2","1") = "8"
    & skf18("5","6","5","9","5","3","1") = "8"
    & skf18("5","6","5","9","5","4","1") = "8"
    & skf18("5","6","5","9","5","5","1") = "8"
    & skf18("5","6","5","9","5","6","1") = "8"
    & skf18("5","6","5","9","5","7","1") = "8"
    & skf18("5","6","5","9","5","8","1") = "8"
    & skf18("5","6","5","9","5","9","1") = "8"
    & skf18("5","6","5","9","5","10","1") = "9"
    & skf18("5","6","5","9","6","1","1") = "8"
    & skf18("5","6","5","9","6","2","1") = "8"
    & skf18("5","6","5","9","6","3","1") = "8"
    & skf18("5","6","5","9","6","4","1") = "8"
    & skf18("5","6","5","9","6","5","1") = "8"
    & skf18("5","6","5","9","6","6","1") = "8"
    & skf18("5","6","5","9","6","7","1") = "8"
    & skf18("5","6","5","9","6","8","1") = "8"
    & skf18("5","6","5","9","6","9","1") = "8"
    & skf18("5","6","5","9","6","10","1") = "9"
    & skf18("5","6","5","9","7","1","1") = "8"
    & skf18("5","6","5","9","7","2","1") = "8"
    & skf18("5","6","5","9","7","3","1") = "8"
    & skf18("5","6","5","9","7","4","1") = "8"
    & skf18("5","6","5","9","7","5","1") = "8"
    & skf18("5","6","5","9","7","6","1") = "8"
    & skf18("5","6","5","9","7","7","1") = "8"
    & skf18("5","6","5","9","7","8","1") = "8"
    & skf18("5","6","5","9","7","9","1") = "8"
    & skf18("5","6","5","9","7","10","1") = "9"
    & skf18("5","6","5","9","8","1","1") = "8"
    & skf18("5","6","5","9","8","2","1") = "8"
    & skf18("5","6","5","9","8","3","1") = "8"
    & skf18("5","6","5","9","8","4","1") = "8"
    & skf18("5","6","5","9","8","5","1") = "8"
    & skf18("5","6","5","9","8","6","1") = "8"
    & skf18("5","6","5","9","8","7","1") = "8"
    & skf18("5","6","5","9","8","8","1") = "8"
    & skf18("5","6","5","9","8","9","1") = "8"
    & skf18("5","6","5","9","8","10","1") = "9"
    & skf18("5","6","5","9","9","1","1") = "8"
    & skf18("5","6","5","9","9","2","1") = "8"
    & skf18("5","6","5","9","9","3","1") = "8"
    & skf18("5","6","5","9","9","4","1") = "8"
    & skf18("5","6","5","9","9","5","1") = "8"
    & skf18("5","6","5","9","9","6","1") = "8"
    & skf18("5","6","5","9","9","7","1") = "8"
    & skf18("5","6","5","9","9","8","1") = "8"
    & skf18("5","6","5","9","9","9","1") = "8"
    & skf18("5","6","5","9","9","10","1") = "9"
    & skf18("5","6","5","9","10","1","1") = "9"
    & skf18("5","6","5","9","10","2","1") = "9"
    & skf18("5","6","5","9","10","3","1") = "9"
    & skf18("5","6","5","9","10","4","1") = "9"
    & skf18("5","6","5","9","10","5","1") = "9"
    & skf18("5","6","5","9","10","6","1") = "9"
    & skf18("5","6","5","9","10","7","1") = "9"
    & skf18("5","6","5","9","10","8","1") = "9"
    & skf18("5","6","5","9","10","9","1") = "9"
    & skf18("5","6","5","9","10","10","1") = "9"
    & skf18("5","6","5","10","1","1","1") = "9"
    & skf18("5","6","5","10","1","2","1") = "9"
    & skf18("5","6","5","10","1","3","1") = "9"
    & skf18("5","6","5","10","1","4","1") = "9"
    & skf18("5","6","5","10","1","5","1") = "9"
    & skf18("5","6","5","10","1","6","1") = "9"
    & skf18("5","6","5","10","1","7","1") = "9"
    & skf18("5","6","5","10","1","8","1") = "9"
    & skf18("5","6","5","10","1","9","1") = "9"
    & skf18("5","6","5","10","1","10","1") = "9"
    & skf18("5","6","5","10","2","1","1") = "9"
    & skf18("5","6","5","10","2","2","1") = "9"
    & skf18("5","6","5","10","2","3","1") = "9"
    & skf18("5","6","5","10","2","4","1") = "9"
    & skf18("5","6","5","10","2","5","1") = "9"
    & skf18("5","6","5","10","2","6","1") = "9"
    & skf18("5","6","5","10","2","7","1") = "9"
    & skf18("5","6","5","10","2","8","1") = "9"
    & skf18("5","6","5","10","2","9","1") = "9"
    & skf18("5","6","5","10","2","10","1") = "9"
    & skf18("5","6","5","10","3","1","1") = "9"
    & skf18("5","6","5","10","3","2","1") = "9"
    & skf18("5","6","5","10","3","3","1") = "9"
    & skf18("5","6","5","10","3","4","1") = "9"
    & skf18("5","6","5","10","3","5","1") = "9"
    & skf18("5","6","5","10","3","6","1") = "9"
    & skf18("5","6","5","10","3","7","1") = "9"
    & skf18("5","6","5","10","3","8","1") = "9"
    & skf18("5","6","5","10","3","9","1") = "9"
    & skf18("5","6","5","10","3","10","1") = "9"
    & skf18("5","6","5","10","4","1","1") = "9"
    & skf18("5","6","5","10","4","2","1") = "9"
    & skf18("5","6","5","10","4","3","1") = "9"
    & skf18("5","6","5","10","4","4","1") = "9"
    & skf18("5","6","5","10","4","5","1") = "9"
    & skf18("5","6","5","10","4","6","1") = "9"
    & skf18("5","6","5","10","4","7","1") = "9"
    & skf18("5","6","5","10","4","8","1") = "9"
    & skf18("5","6","5","10","4","9","1") = "9"
    & skf18("5","6","5","10","4","10","1") = "9"
    & skf18("5","6","5","10","5","1","1") = "9"
    & skf18("5","6","5","10","5","2","1") = "9"
    & skf18("5","6","5","10","5","3","1") = "9"
    & skf18("5","6","5","10","5","4","1") = "9"
    & skf18("5","6","5","10","5","5","1") = "9"
    & skf18("5","6","5","10","5","6","1") = "9"
    & skf18("5","6","5","10","5","7","1") = "9"
    & skf18("5","6","5","10","5","8","1") = "9"
    & skf18("5","6","5","10","5","9","1") = "9"
    & skf18("5","6","5","10","5","10","1") = "9"
    & skf18("5","6","5","10","6","1","1") = "9"
    & skf18("5","6","5","10","6","2","1") = "9"
    & skf18("5","6","5","10","6","3","1") = "9"
    & skf18("5","6","5","10","6","4","1") = "9"
    & skf18("5","6","5","10","6","5","1") = "9"
    & skf18("5","6","5","10","6","6","1") = "9"
    & skf18("5","6","5","10","6","7","1") = "9"
    & skf18("5","6","5","10","6","8","1") = "9"
    & skf18("5","6","5","10","6","9","1") = "9"
    & skf18("5","6","5","10","6","10","1") = "9"
    & skf18("5","6","5","10","7","1","1") = "9"
    & skf18("5","6","5","10","7","2","1") = "9"
    & skf18("5","6","5","10","7","3","1") = "9"
    & skf18("5","6","5","10","7","4","1") = "9"
    & skf18("5","6","5","10","7","5","1") = "9"
    & skf18("5","6","5","10","7","6","1") = "9"
    & skf18("5","6","5","10","7","7","1") = "9"
    & skf18("5","6","5","10","7","8","1") = "9"
    & skf18("5","6","5","10","7","9","1") = "9"
    & skf18("5","6","5","10","7","10","1") = "9"
    & skf18("5","6","5","10","8","1","1") = "9"
    & skf18("5","6","5","10","8","2","1") = "9"
    & skf18("5","6","5","10","8","3","1") = "9"
    & skf18("5","6","5","10","8","4","1") = "9"
    & skf18("5","6","5","10","8","5","1") = "9"
    & skf18("5","6","5","10","8","6","1") = "9"
    & skf18("5","6","5","10","8","7","1") = "9"
    & skf18("5","6","5","10","8","8","1") = "9"
    & skf18("5","6","5","10","8","9","1") = "9"
    & skf18("5","6","5","10","8","10","1") = "9"
    & skf18("5","6","5","10","9","1","1") = "9"
    & skf18("5","6","5","10","9","2","1") = "9"
    & skf18("5","6","5","10","9","3","1") = "9"
    & skf18("5","6","5","10","9","4","1") = "9"
    & skf18("5","6","5","10","9","5","1") = "9"
    & skf18("5","6","5","10","9","6","1") = "9"
    & skf18("5","6","5","10","9","7","1") = "9"
    & skf18("5","6","5","10","9","8","1") = "9"
    & skf18("5","6","5","10","9","9","1") = "9"
    & skf18("5","6","5","10","9","10","1") = "9"
    & skf18("5","6","5","10","10","1","1") = "9"
    & skf18("5","6","5","10","10","2","1") = "9"
    & skf18("5","6","5","10","10","3","1") = "9"
    & skf18("5","6","5","10","10","4","1") = "9"
    & skf18("5","6","5","10","10","5","1") = "9"
    & skf18("5","6","5","10","10","6","1") = "9"
    & skf18("5","6","5","10","10","7","1") = "9"
    & skf18("5","6","5","10","10","8","1") = "9"
    & skf18("5","6","5","10","10","9","1") = "9"
    & skf18("5","6","5","10","10","10","1") = "9"
    & skf18("5","6","6","1","1","1","1") = "5"
    & skf18("5","6","6","1","1","2","1") = "5"
    & skf18("5","6","6","1","1","3","1") = "5"
    & skf18("5","6","6","1","1","4","1") = "5"
    & skf18("5","6","6","1","1","5","1") = "5"
    & skf18("5","6","6","1","1","6","1") = "5"
    & skf18("5","6","6","1","1","7","1") = "6"
    & skf18("5","6","6","1","1","8","1") = "7"
    & skf18("5","6","6","1","1","9","1") = "8"
    & skf18("5","6","6","1","1","10","1") = "9"
    & skf18("5","6","6","1","2","1","1") = "5"
    & skf18("5","6","6","1","2","2","1") = "5"
    & skf18("5","6","6","1","2","3","1") = "5"
    & skf18("5","6","6","1","2","4","1") = "5"
    & skf18("5","6","6","1","2","5","1") = "5"
    & skf18("5","6","6","1","2","6","1") = "5"
    & skf18("5","6","6","1","2","7","1") = "6"
    & skf18("5","6","6","1","2","8","1") = "7"
    & skf18("5","6","6","1","2","9","1") = "8"
    & skf18("5","6","6","1","2","10","1") = "9"
    & skf18("5","6","6","1","3","1","1") = "5"
    & skf18("5","6","6","1","3","2","1") = "5"
    & skf18("5","6","6","1","3","3","1") = "5"
    & skf18("5","6","6","1","3","4","1") = "5"
    & skf18("5","6","6","1","3","5","1") = "5"
    & skf18("5","6","6","1","3","6","1") = "5"
    & skf18("5","6","6","1","3","7","1") = "6"
    & skf18("5","6","6","1","3","8","1") = "7"
    & skf18("5","6","6","1","3","9","1") = "8"
    & skf18("5","6","6","1","3","10","1") = "9"
    & skf18("5","6","6","1","4","1","1") = "5"
    & skf18("5","6","6","1","4","2","1") = "5"
    & skf18("5","6","6","1","4","3","1") = "5"
    & skf18("5","6","6","1","4","4","1") = "5"
    & skf18("5","6","6","1","4","5","1") = "5"
    & skf18("5","6","6","1","4","6","1") = "5"
    & skf18("5","6","6","1","4","7","1") = "6"
    & skf18("5","6","6","1","4","8","1") = "7"
    & skf18("5","6","6","1","4","9","1") = "8"
    & skf18("5","6","6","1","4","10","1") = "9"
    & skf18("5","6","6","1","5","1","1") = "5"
    & skf18("5","6","6","1","5","2","1") = "5"
    & skf18("5","6","6","1","5","3","1") = "5"
    & skf18("5","6","6","1","5","4","1") = "5"
    & skf18("5","6","6","1","5","5","1") = "5"
    & skf18("5","6","6","1","5","6","1") = "5"
    & skf18("5","6","6","1","5","7","1") = "6"
    & skf18("5","6","6","1","5","8","1") = "7"
    & skf18("5","6","6","1","5","9","1") = "8"
    & skf18("5","6","6","1","5","10","1") = "9"
    & skf18("5","6","6","1","6","1","1") = "5"
    & skf18("5","6","6","1","6","2","1") = "5"
    & skf18("5","6","6","1","6","3","1") = "5"
    & skf18("5","6","6","1","6","4","1") = "5"
    & skf18("5","6","6","1","6","5","1") = "5"
    & skf18("5","6","6","1","6","6","1") = "5"
    & skf18("5","6","6","1","6","7","1") = "6"
    & skf18("5","6","6","1","6","8","1") = "7"
    & skf18("5","6","6","1","6","9","1") = "8"
    & skf18("5","6","6","1","6","10","1") = "9"
    & skf18("5","6","6","1","7","1","1") = "6"
    & skf18("5","6","6","1","7","2","1") = "6"
    & skf18("5","6","6","1","7","3","1") = "6"
    & skf18("5","6","6","1","7","4","1") = "6"
    & skf18("5","6","6","1","7","5","1") = "6"
    & skf18("5","6","6","1","7","6","1") = "6"
    & skf18("5","6","6","1","7","7","1") = "6"
    & skf18("5","6","6","1","7","8","1") = "7"
    & skf18("5","6","6","1","7","9","1") = "8"
    & skf18("5","6","6","1","7","10","1") = "9"
    & skf18("5","6","6","1","8","1","1") = "7"
    & skf18("5","6","6","1","8","2","1") = "7"
    & skf18("5","6","6","1","8","3","1") = "7"
    & skf18("5","6","6","1","8","4","1") = "7"
    & skf18("5","6","6","1","8","5","1") = "7"
    & skf18("5","6","6","1","8","6","1") = "7"
    & skf18("5","6","6","1","8","7","1") = "7"
    & skf18("5","6","6","1","8","8","1") = "7"
    & skf18("5","6","6","1","8","9","1") = "8"
    & skf18("5","6","6","1","8","10","1") = "9"
    & skf18("5","6","6","1","9","1","1") = "8"
    & skf18("5","6","6","1","9","2","1") = "8"
    & skf18("5","6","6","1","9","3","1") = "8"
    & skf18("5","6","6","1","9","4","1") = "8"
    & skf18("5","6","6","1","9","5","1") = "8"
    & skf18("5","6","6","1","9","6","1") = "8"
    & skf18("5","6","6","1","9","7","1") = "8"
    & skf18("5","6","6","1","9","8","1") = "8"
    & skf18("5","6","6","1","9","9","1") = "8"
    & skf18("5","6","6","1","9","10","1") = "9"
    & skf18("5","6","6","1","10","1","1") = "9"
    & skf18("5","6","6","1","10","2","1") = "9"
    & skf18("5","6","6","1","10","3","1") = "9"
    & skf18("5","6","6","1","10","4","1") = "9"
    & skf18("5","6","6","1","10","5","1") = "9"
    & skf18("5","6","6","1","10","6","1") = "9"
    & skf18("5","6","6","1","10","7","1") = "9"
    & skf18("5","6","6","1","10","8","1") = "9"
    & skf18("5","6","6","1","10","9","1") = "9"
    & skf18("5","6","6","1","10","10","1") = "9"
    & skf18("5","6","6","2","1","1","1") = "5"
    & skf18("5","6","6","2","1","2","1") = "5"
    & skf18("5","6","6","2","1","3","1") = "5"
    & skf18("5","6","6","2","1","4","1") = "5"
    & skf18("5","6","6","2","1","5","1") = "5"
    & skf18("5","6","6","2","1","6","1") = "5"
    & skf18("5","6","6","2","1","7","1") = "6"
    & skf18("5","6","6","2","1","8","1") = "7"
    & skf18("5","6","6","2","1","9","1") = "8"
    & skf18("5","6","6","2","1","10","1") = "9"
    & skf18("5","6","6","2","2","1","1") = "5"
    & skf18("5","6","6","2","2","2","1") = "5"
    & skf18("5","6","6","2","2","3","1") = "5"
    & skf18("5","6","6","2","2","4","1") = "5"
    & skf18("5","6","6","2","2","5","1") = "5"
    & skf18("5","6","6","2","2","6","1") = "5"
    & skf18("5","6","6","2","2","7","1") = "6"
    & skf18("5","6","6","2","2","8","1") = "7"
    & skf18("5","6","6","2","2","9","1") = "8"
    & skf18("5","6","6","2","2","10","1") = "9"
    & skf18("5","6","6","2","3","1","1") = "5"
    & skf18("5","6","6","2","3","2","1") = "5"
    & skf18("5","6","6","2","3","3","1") = "5"
    & skf18("5","6","6","2","3","4","1") = "5"
    & skf18("5","6","6","2","3","5","1") = "5"
    & skf18("5","6","6","2","3","6","1") = "5"
    & skf18("5","6","6","2","3","7","1") = "6"
    & skf18("5","6","6","2","3","8","1") = "7"
    & skf18("5","6","6","2","3","9","1") = "8"
    & skf18("5","6","6","2","3","10","1") = "9"
    & skf18("5","6","6","2","4","1","1") = "5"
    & skf18("5","6","6","2","4","2","1") = "5"
    & skf18("5","6","6","2","4","3","1") = "5"
    & skf18("5","6","6","2","4","4","1") = "5"
    & skf18("5","6","6","2","4","5","1") = "5"
    & skf18("5","6","6","2","4","6","1") = "5"
    & skf18("5","6","6","2","4","7","1") = "6"
    & skf18("5","6","6","2","4","8","1") = "7"
    & skf18("5","6","6","2","4","9","1") = "8"
    & skf18("5","6","6","2","4","10","1") = "9"
    & skf18("5","6","6","2","5","1","1") = "5"
    & skf18("5","6","6","2","5","2","1") = "5"
    & skf18("5","6","6","2","5","3","1") = "5"
    & skf18("5","6","6","2","5","4","1") = "5"
    & skf18("5","6","6","2","5","5","1") = "5"
    & skf18("5","6","6","2","5","6","1") = "5"
    & skf18("5","6","6","2","5","7","1") = "6"
    & skf18("5","6","6","2","5","8","1") = "7"
    & skf18("5","6","6","2","5","9","1") = "8"
    & skf18("5","6","6","2","5","10","1") = "9"
    & skf18("5","6","6","2","6","1","1") = "5"
    & skf18("5","6","6","2","6","2","1") = "5"
    & skf18("5","6","6","2","6","3","1") = "5"
    & skf18("5","6","6","2","6","4","1") = "5"
    & skf18("5","6","6","2","6","5","1") = "5"
    & skf18("5","6","6","2","6","6","1") = "5"
    & skf18("5","6","6","2","6","7","1") = "6"
    & skf18("5","6","6","2","6","8","1") = "7"
    & skf18("5","6","6","2","6","9","1") = "8"
    & skf18("5","6","6","2","6","10","1") = "9"
    & skf18("5","6","6","2","7","1","1") = "6"
    & skf18("5","6","6","2","7","2","1") = "6"
    & skf18("5","6","6","2","7","3","1") = "6"
    & skf18("5","6","6","2","7","4","1") = "6"
    & skf18("5","6","6","2","7","5","1") = "6"
    & skf18("5","6","6","2","7","6","1") = "6"
    & skf18("5","6","6","2","7","7","1") = "6"
    & skf18("5","6","6","2","7","8","1") = "7"
    & skf18("5","6","6","2","7","9","1") = "8"
    & skf18("5","6","6","2","7","10","1") = "9"
    & skf18("5","6","6","2","8","1","1") = "7"
    & skf18("5","6","6","2","8","2","1") = "7"
    & skf18("5","6","6","2","8","3","1") = "7"
    & skf18("5","6","6","2","8","4","1") = "7"
    & skf18("5","6","6","2","8","5","1") = "7"
    & skf18("5","6","6","2","8","6","1") = "7"
    & skf18("5","6","6","2","8","7","1") = "7"
    & skf18("5","6","6","2","8","8","1") = "7"
    & skf18("5","6","6","2","8","9","1") = "8"
    & skf18("5","6","6","2","8","10","1") = "9"
    & skf18("5","6","6","2","9","1","1") = "8"
    & skf18("5","6","6","2","9","2","1") = "8"
    & skf18("5","6","6","2","9","3","1") = "8"
    & skf18("5","6","6","2","9","4","1") = "8"
    & skf18("5","6","6","2","9","5","1") = "8"
    & skf18("5","6","6","2","9","6","1") = "8"
    & skf18("5","6","6","2","9","7","1") = "8"
    & skf18("5","6","6","2","9","8","1") = "8"
    & skf18("5","6","6","2","9","9","1") = "8"
    & skf18("5","6","6","2","9","10","1") = "9"
    & skf18("5","6","6","2","10","1","1") = "9"
    & skf18("5","6","6","2","10","2","1") = "9"
    & skf18("5","6","6","2","10","3","1") = "9"
    & skf18("5","6","6","2","10","4","1") = "9"
    & skf18("5","6","6","2","10","5","1") = "9"
    & skf18("5","6","6","2","10","6","1") = "9"
    & skf18("5","6","6","2","10","7","1") = "9"
    & skf18("5","6","6","2","10","8","1") = "9"
    & skf18("5","6","6","2","10","9","1") = "9"
    & skf18("5","6","6","2","10","10","1") = "9"
    & skf18("5","6","6","3","1","1","1") = "5"
    & skf18("5","6","6","3","1","2","1") = "5"
    & skf18("5","6","6","3","1","3","1") = "5"
    & skf18("5","6","6","3","1","4","1") = "5"
    & skf18("5","6","6","3","1","5","1") = "5"
    & skf18("5","6","6","3","1","6","1") = "5"
    & skf18("5","6","6","3","1","7","1") = "6"
    & skf18("5","6","6","3","1","8","1") = "7"
    & skf18("5","6","6","3","1","9","1") = "8"
    & skf18("5","6","6","3","1","10","1") = "9"
    & skf18("5","6","6","3","2","1","1") = "5"
    & skf18("5","6","6","3","2","2","1") = "5"
    & skf18("5","6","6","3","2","3","1") = "5"
    & skf18("5","6","6","3","2","4","1") = "5"
    & skf18("5","6","6","3","2","5","1") = "5"
    & skf18("5","6","6","3","2","6","1") = "5"
    & skf18("5","6","6","3","2","7","1") = "6"
    & skf18("5","6","6","3","2","8","1") = "7"
    & skf18("5","6","6","3","2","9","1") = "8"
    & skf18("5","6","6","3","2","10","1") = "9"
    & skf18("5","6","6","3","3","1","1") = "5"
    & skf18("5","6","6","3","3","2","1") = "5"
    & skf18("5","6","6","3","3","3","1") = "5"
    & skf18("5","6","6","3","3","4","1") = "5"
    & skf18("5","6","6","3","3","5","1") = "5"
    & skf18("5","6","6","3","3","6","1") = "5"
    & skf18("5","6","6","3","3","7","1") = "6"
    & skf18("5","6","6","3","3","8","1") = "7"
    & skf18("5","6","6","3","3","9","1") = "8"
    & skf18("5","6","6","3","3","10","1") = "9"
    & skf18("5","6","6","3","4","1","1") = "5"
    & skf18("5","6","6","3","4","2","1") = "5"
    & skf18("5","6","6","3","4","3","1") = "5"
    & skf18("5","6","6","3","4","4","1") = "5"
    & skf18("5","6","6","3","4","5","1") = "5"
    & skf18("5","6","6","3","4","6","1") = "5"
    & skf18("5","6","6","3","4","7","1") = "6"
    & skf18("5","6","6","3","4","8","1") = "7"
    & skf18("5","6","6","3","4","9","1") = "8"
    & skf18("5","6","6","3","4","10","1") = "9"
    & skf18("5","6","6","3","5","1","1") = "5"
    & skf18("5","6","6","3","5","2","1") = "5"
    & skf18("5","6","6","3","5","3","1") = "5"
    & skf18("5","6","6","3","5","4","1") = "5"
    & skf18("5","6","6","3","5","5","1") = "5"
    & skf18("5","6","6","3","5","6","1") = "5"
    & skf18("5","6","6","3","5","7","1") = "6"
    & skf18("5","6","6","3","5","8","1") = "7"
    & skf18("5","6","6","3","5","9","1") = "8"
    & skf18("5","6","6","3","5","10","1") = "9"
    & skf18("5","6","6","3","6","1","1") = "5"
    & skf18("5","6","6","3","6","2","1") = "5"
    & skf18("5","6","6","3","6","3","1") = "5"
    & skf18("5","6","6","3","6","4","1") = "5"
    & skf18("5","6","6","3","6","5","1") = "5"
    & skf18("5","6","6","3","6","6","1") = "5"
    & skf18("5","6","6","3","6","7","1") = "6"
    & skf18("5","6","6","3","6","8","1") = "7"
    & skf18("5","6","6","3","6","9","1") = "8"
    & skf18("5","6","6","3","6","10","1") = "9"
    & skf18("5","6","6","3","7","1","1") = "6"
    & skf18("5","6","6","3","7","2","1") = "6"
    & skf18("5","6","6","3","7","3","1") = "6"
    & skf18("5","6","6","3","7","4","1") = "6"
    & skf18("5","6","6","3","7","5","1") = "6"
    & skf18("5","6","6","3","7","6","1") = "6"
    & skf18("5","6","6","3","7","7","1") = "6"
    & skf18("5","6","6","3","7","8","1") = "7"
    & skf18("5","6","6","3","7","9","1") = "8"
    & skf18("5","6","6","3","7","10","1") = "9"
    & skf18("5","6","6","3","8","1","1") = "7"
    & skf18("5","6","6","3","8","2","1") = "7"
    & skf18("5","6","6","3","8","3","1") = "7"
    & skf18("5","6","6","3","8","4","1") = "7"
    & skf18("5","6","6","3","8","5","1") = "7"
    & skf18("5","6","6","3","8","6","1") = "7"
    & skf18("5","6","6","3","8","7","1") = "7"
    & skf18("5","6","6","3","8","8","1") = "7"
    & skf18("5","6","6","3","8","9","1") = "8"
    & skf18("5","6","6","3","8","10","1") = "9"
    & skf18("5","6","6","3","9","1","1") = "8"
    & skf18("5","6","6","3","9","2","1") = "8"
    & skf18("5","6","6","3","9","3","1") = "8"
    & skf18("5","6","6","3","9","4","1") = "8"
    & skf18("5","6","6","3","9","5","1") = "8"
    & skf18("5","6","6","3","9","6","1") = "8"
    & skf18("5","6","6","3","9","7","1") = "8"
    & skf18("5","6","6","3","9","8","1") = "8"
    & skf18("5","6","6","3","9","9","1") = "8"
    & skf18("5","6","6","3","9","10","1") = "9"
    & skf18("5","6","6","3","10","1","1") = "9"
    & skf18("5","6","6","3","10","2","1") = "9"
    & skf18("5","6","6","3","10","3","1") = "9"
    & skf18("5","6","6","3","10","4","1") = "9"
    & skf18("5","6","6","3","10","5","1") = "9"
    & skf18("5","6","6","3","10","6","1") = "9"
    & skf18("5","6","6","3","10","7","1") = "9"
    & skf18("5","6","6","3","10","8","1") = "9"
    & skf18("5","6","6","3","10","9","1") = "9"
    & skf18("5","6","6","3","10","10","1") = "9"
    & skf18("5","6","6","4","1","1","1") = "5"
    & skf18("5","6","6","4","1","2","1") = "5"
    & skf18("5","6","6","4","1","3","1") = "5"
    & skf18("5","6","6","4","1","4","1") = "5"
    & skf18("5","6","6","4","1","5","1") = "5"
    & skf18("5","6","6","4","1","6","1") = "5"
    & skf18("5","6","6","4","1","7","1") = "6"
    & skf18("5","6","6","4","1","8","1") = "7"
    & skf18("5","6","6","4","1","9","1") = "8"
    & skf18("5","6","6","4","1","10","1") = "9"
    & skf18("5","6","6","4","2","1","1") = "5"
    & skf18("5","6","6","4","2","2","1") = "5"
    & skf18("5","6","6","4","2","3","1") = "5"
    & skf18("5","6","6","4","2","4","1") = "5"
    & skf18("5","6","6","4","2","5","1") = "5"
    & skf18("5","6","6","4","2","6","1") = "5"
    & skf18("5","6","6","4","2","7","1") = "6"
    & skf18("5","6","6","4","2","8","1") = "7"
    & skf18("5","6","6","4","2","9","1") = "8"
    & skf18("5","6","6","4","2","10","1") = "9"
    & skf18("5","6","6","4","3","1","1") = "5"
    & skf18("5","6","6","4","3","2","1") = "5"
    & skf18("5","6","6","4","3","3","1") = "5"
    & skf18("5","6","6","4","3","4","1") = "5"
    & skf18("5","6","6","4","3","5","1") = "5"
    & skf18("5","6","6","4","3","6","1") = "5"
    & skf18("5","6","6","4","3","7","1") = "6"
    & skf18("5","6","6","4","3","8","1") = "7"
    & skf18("5","6","6","4","3","9","1") = "8"
    & skf18("5","6","6","4","3","10","1") = "9"
    & skf18("5","6","6","4","4","1","1") = "5"
    & skf18("5","6","6","4","4","2","1") = "5"
    & skf18("5","6","6","4","4","3","1") = "5"
    & skf18("5","6","6","4","4","4","1") = "5"
    & skf18("5","6","6","4","4","5","1") = "5"
    & skf18("5","6","6","4","4","6","1") = "5"
    & skf18("5","6","6","4","4","7","1") = "6"
    & skf18("5","6","6","4","4","8","1") = "7"
    & skf18("5","6","6","4","4","9","1") = "8"
    & skf18("5","6","6","4","4","10","1") = "9"
    & skf18("5","6","6","4","5","1","1") = "5"
    & skf18("5","6","6","4","5","2","1") = "5"
    & skf18("5","6","6","4","5","3","1") = "5"
    & skf18("5","6","6","4","5","4","1") = "5"
    & skf18("5","6","6","4","5","5","1") = "5"
    & skf18("5","6","6","4","5","6","1") = "5"
    & skf18("5","6","6","4","5","7","1") = "6"
    & skf18("5","6","6","4","5","8","1") = "7"
    & skf18("5","6","6","4","5","9","1") = "8"
    & skf18("5","6","6","4","5","10","1") = "9"
    & skf18("5","6","6","4","6","1","1") = "5"
    & skf18("5","6","6","4","6","2","1") = "5"
    & skf18("5","6","6","4","6","3","1") = "5"
    & skf18("5","6","6","4","6","4","1") = "5"
    & skf18("5","6","6","4","6","5","1") = "5"
    & skf18("5","6","6","4","6","6","1") = "5"
    & skf18("5","6","6","4","6","7","1") = "6"
    & skf18("5","6","6","4","6","8","1") = "7"
    & skf18("5","6","6","4","6","9","1") = "8"
    & skf18("5","6","6","4","6","10","1") = "9"
    & skf18("5","6","6","4","7","1","1") = "6"
    & skf18("5","6","6","4","7","2","1") = "6"
    & skf18("5","6","6","4","7","3","1") = "6"
    & skf18("5","6","6","4","7","4","1") = "6"
    & skf18("5","6","6","4","7","5","1") = "6"
    & skf18("5","6","6","4","7","6","1") = "6"
    & skf18("5","6","6","4","7","7","1") = "6"
    & skf18("5","6","6","4","7","8","1") = "7"
    & skf18("5","6","6","4","7","9","1") = "8"
    & skf18("5","6","6","4","7","10","1") = "9"
    & skf18("5","6","6","4","8","1","1") = "7"
    & skf18("5","6","6","4","8","2","1") = "7"
    & skf18("5","6","6","4","8","3","1") = "7"
    & skf18("5","6","6","4","8","4","1") = "7"
    & skf18("5","6","6","4","8","5","1") = "7"
    & skf18("5","6","6","4","8","6","1") = "7"
    & skf18("5","6","6","4","8","7","1") = "7"
    & skf18("5","6","6","4","8","8","1") = "7"
    & skf18("5","6","6","4","8","9","1") = "8"
    & skf18("5","6","6","4","8","10","1") = "9"
    & skf18("5","6","6","4","9","1","1") = "8"
    & skf18("5","6","6","4","9","2","1") = "8"
    & skf18("5","6","6","4","9","3","1") = "8"
    & skf18("5","6","6","4","9","4","1") = "8"
    & skf18("5","6","6","4","9","5","1") = "8"
    & skf18("5","6","6","4","9","6","1") = "8"
    & skf18("5","6","6","4","9","7","1") = "8"
    & skf18("5","6","6","4","9","8","1") = "8"
    & skf18("5","6","6","4","9","9","1") = "8"
    & skf18("5","6","6","4","9","10","1") = "9"
    & skf18("5","6","6","4","10","1","1") = "9"
    & skf18("5","6","6","4","10","2","1") = "9"
    & skf18("5","6","6","4","10","3","1") = "9"
    & skf18("5","6","6","4","10","4","1") = "9"
    & skf18("5","6","6","4","10","5","1") = "9"
    & skf18("5","6","6","4","10","6","1") = "9"
    & skf18("5","6","6","4","10","7","1") = "9"
    & skf18("5","6","6","4","10","8","1") = "9"
    & skf18("5","6","6","4","10","9","1") = "9"
    & skf18("5","6","6","4","10","10","1") = "9"
    & skf18("5","6","6","5","1","1","1") = "5"
    & skf18("5","6","6","5","1","2","1") = "5"
    & skf18("5","6","6","5","1","3","1") = "5"
    & skf18("5","6","6","5","1","4","1") = "5"
    & skf18("5","6","6","5","1","5","1") = "5"
    & skf18("5","6","6","5","1","6","1") = "5"
    & skf18("5","6","6","5","1","7","1") = "6"
    & skf18("5","6","6","5","1","8","1") = "7"
    & skf18("5","6","6","5","1","9","1") = "8"
    & skf18("5","6","6","5","1","10","1") = "9"
    & skf18("5","6","6","5","2","1","1") = "5"
    & skf18("5","6","6","5","2","2","1") = "5"
    & skf18("5","6","6","5","2","3","1") = "5"
    & skf18("5","6","6","5","2","4","1") = "5"
    & skf18("5","6","6","5","2","5","1") = "5"
    & skf18("5","6","6","5","2","6","1") = "5"
    & skf18("5","6","6","5","2","7","1") = "6"
    & skf18("5","6","6","5","2","8","1") = "7"
    & skf18("5","6","6","5","2","9","1") = "8"
    & skf18("5","6","6","5","2","10","1") = "9"
    & skf18("5","6","6","5","3","1","1") = "5"
    & skf18("5","6","6","5","3","2","1") = "5"
    & skf18("5","6","6","5","3","3","1") = "5"
    & skf18("5","6","6","5","3","4","1") = "5"
    & skf18("5","6","6","5","3","5","1") = "5"
    & skf18("5","6","6","5","3","6","1") = "5"
    & skf18("5","6","6","5","3","7","1") = "6"
    & skf18("5","6","6","5","3","8","1") = "7"
    & skf18("5","6","6","5","3","9","1") = "8"
    & skf18("5","6","6","5","3","10","1") = "9"
    & skf18("5","6","6","5","4","1","1") = "5"
    & skf18("5","6","6","5","4","2","1") = "5"
    & skf18("5","6","6","5","4","3","1") = "5"
    & skf18("5","6","6","5","4","4","1") = "5"
    & skf18("5","6","6","5","4","5","1") = "5"
    & skf18("5","6","6","5","4","6","1") = "5"
    & skf18("5","6","6","5","4","7","1") = "6"
    & skf18("5","6","6","5","4","8","1") = "7"
    & skf18("5","6","6","5","4","9","1") = "8"
    & skf18("5","6","6","5","4","10","1") = "9"
    & skf18("5","6","6","5","5","1","1") = "5"
    & skf18("5","6","6","5","5","2","1") = "5"
    & skf18("5","6","6","5","5","3","1") = "5"
    & skf18("5","6","6","5","5","4","1") = "5"
    & skf18("5","6","6","5","5","5","1") = "5"
    & skf18("5","6","6","5","5","6","1") = "5"
    & skf18("5","6","6","5","5","7","1") = "6"
    & skf18("5","6","6","5","5","8","1") = "7"
    & skf18("5","6","6","5","5","9","1") = "8"
    & skf18("5","6","6","5","5","10","1") = "9"
    & skf18("5","6","6","5","6","1","1") = "5"
    & skf18("5","6","6","5","6","2","1") = "5"
    & skf18("5","6","6","5","6","3","1") = "5"
    & skf18("5","6","6","5","6","4","1") = "5"
    & skf18("5","6","6","5","6","5","1") = "5"
    & skf18("5","6","6","5","6","6","1") = "5"
    & skf18("5","6","6","5","6","7","1") = "6"
    & skf18("5","6","6","5","6","8","1") = "7"
    & skf18("5","6","6","5","6","9","1") = "8"
    & skf18("5","6","6","5","6","10","1") = "9"
    & skf18("5","6","6","5","7","1","1") = "6"
    & skf18("5","6","6","5","7","2","1") = "6"
    & skf18("5","6","6","5","7","3","1") = "6"
    & skf18("5","6","6","5","7","4","1") = "6"
    & skf18("5","6","6","5","7","5","1") = "6"
    & skf18("5","6","6","5","7","6","1") = "6"
    & skf18("5","6","6","5","7","7","1") = "6"
    & skf18("5","6","6","5","7","8","1") = "7"
    & skf18("5","6","6","5","7","9","1") = "8"
    & skf18("5","6","6","5","7","10","1") = "9"
    & skf18("5","6","6","5","8","1","1") = "7"
    & skf18("5","6","6","5","8","2","1") = "7"
    & skf18("5","6","6","5","8","3","1") = "7"
    & skf18("5","6","6","5","8","4","1") = "7"
    & skf18("5","6","6","5","8","5","1") = "7"
    & skf18("5","6","6","5","8","6","1") = "7"
    & skf18("5","6","6","5","8","7","1") = "7"
    & skf18("5","6","6","5","8","8","1") = "7"
    & skf18("5","6","6","5","8","9","1") = "8"
    & skf18("5","6","6","5","8","10","1") = "9"
    & skf18("5","6","6","5","9","1","1") = "8"
    & skf18("5","6","6","5","9","2","1") = "8"
    & skf18("5","6","6","5","9","3","1") = "8"
    & skf18("5","6","6","5","9","4","1") = "8"
    & skf18("5","6","6","5","9","5","1") = "8"
    & skf18("5","6","6","5","9","6","1") = "8"
    & skf18("5","6","6","5","9","7","1") = "8"
    & skf18("5","6","6","5","9","8","1") = "8"
    & skf18("5","6","6","5","9","9","1") = "8"
    & skf18("5","6","6","5","9","10","1") = "9"
    & skf18("5","6","6","5","10","1","1") = "9"
    & skf18("5","6","6","5","10","2","1") = "9"
    & skf18("5","6","6","5","10","3","1") = "9"
    & skf18("5","6","6","5","10","4","1") = "9"
    & skf18("5","6","6","5","10","5","1") = "9"
    & skf18("5","6","6","5","10","6","1") = "9"
    & skf18("5","6","6","5","10","7","1") = "9"
    & skf18("5","6","6","5","10","8","1") = "9"
    & skf18("5","6","6","5","10","9","1") = "9"
    & skf18("5","6","6","5","10","10","1") = "9"
    & skf18("5","6","6","6","1","1","1") = "5"
    & skf18("5","6","6","6","1","2","1") = "5"
    & skf18("5","6","6","6","1","3","1") = "5"
    & skf18("5","6","6","6","1","4","1") = "5"
    & skf18("5","6","6","6","1","5","1") = "5"
    & skf18("5","6","6","6","1","6","1") = "5"
    & skf18("5","6","6","6","1","7","1") = "6"
    & skf18("5","6","6","6","1","8","1") = "7"
    & skf18("5","6","6","6","1","9","1") = "8"
    & skf18("5","6","6","6","1","10","1") = "9"
    & skf18("5","6","6","6","2","1","1") = "5"
    & skf18("5","6","6","6","2","2","1") = "5"
    & skf18("5","6","6","6","2","3","1") = "5"
    & skf18("5","6","6","6","2","4","1") = "5"
    & skf18("5","6","6","6","2","5","1") = "5"
    & skf18("5","6","6","6","2","6","1") = "5"
    & skf18("5","6","6","6","2","7","1") = "6"
    & skf18("5","6","6","6","2","8","1") = "7"
    & skf18("5","6","6","6","2","9","1") = "8"
    & skf18("5","6","6","6","2","10","1") = "9"
    & skf18("5","6","6","6","3","1","1") = "5"
    & skf18("5","6","6","6","3","2","1") = "5"
    & skf18("5","6","6","6","3","3","1") = "5"
    & skf18("5","6","6","6","3","4","1") = "5"
    & skf18("5","6","6","6","3","5","1") = "5"
    & skf18("5","6","6","6","3","6","1") = "5"
    & skf18("5","6","6","6","3","7","1") = "6"
    & skf18("5","6","6","6","3","8","1") = "7"
    & skf18("5","6","6","6","3","9","1") = "8"
    & skf18("5","6","6","6","3","10","1") = "9"
    & skf18("5","6","6","6","4","1","1") = "5"
    & skf18("5","6","6","6","4","2","1") = "5"
    & skf18("5","6","6","6","4","3","1") = "5"
    & skf18("5","6","6","6","4","4","1") = "5"
    & skf18("5","6","6","6","4","5","1") = "5"
    & skf18("5","6","6","6","4","6","1") = "5"
    & skf18("5","6","6","6","4","7","1") = "6"
    & skf18("5","6","6","6","4","8","1") = "7"
    & skf18("5","6","6","6","4","9","1") = "8"
    & skf18("5","6","6","6","4","10","1") = "9"
    & skf18("5","6","6","6","5","1","1") = "5"
    & skf18("5","6","6","6","5","2","1") = "5"
    & skf18("5","6","6","6","5","3","1") = "5"
    & skf18("5","6","6","6","5","4","1") = "5"
    & skf18("5","6","6","6","5","5","1") = "5"
    & skf18("5","6","6","6","5","6","1") = "5"
    & skf18("5","6","6","6","5","7","1") = "6"
    & skf18("5","6","6","6","5","8","1") = "7"
    & skf18("5","6","6","6","5","9","1") = "8"
    & skf18("5","6","6","6","5","10","1") = "9"
    & skf18("5","6","6","6","6","1","1") = "5"
    & skf18("5","6","6","6","6","2","1") = "5"
    & skf18("5","6","6","6","6","3","1") = "5"
    & skf18("5","6","6","6","6","4","1") = "5"
    & skf18("5","6","6","6","6","5","1") = "5"
    & skf18("5","6","6","6","6","6","1") = "5"
    & skf18("5","6","6","6","6","7","1") = "6"
    & skf18("5","6","6","6","6","8","1") = "7"
    & skf18("5","6","6","6","6","9","1") = "8"
    & skf18("5","6","6","6","6","10","1") = "9"
    & skf18("5","6","6","6","7","1","1") = "6"
    & skf18("5","6","6","6","7","2","1") = "6"
    & skf18("5","6","6","6","7","3","1") = "6"
    & skf18("5","6","6","6","7","4","1") = "6"
    & skf18("5","6","6","6","7","5","1") = "6"
    & skf18("5","6","6","6","7","6","1") = "6"
    & skf18("5","6","6","6","7","7","1") = "6"
    & skf18("5","6","6","6","7","8","1") = "7"
    & skf18("5","6","6","6","7","9","1") = "8"
    & skf18("5","6","6","6","7","10","1") = "9"
    & skf18("5","6","6","6","8","1","1") = "7"
    & skf18("5","6","6","6","8","2","1") = "7"
    & skf18("5","6","6","6","8","3","1") = "7"
    & skf18("5","6","6","6","8","4","1") = "7"
    & skf18("5","6","6","6","8","5","1") = "7"
    & skf18("5","6","6","6","8","6","1") = "7"
    & skf18("5","6","6","6","8","7","1") = "7"
    & skf18("5","6","6","6","8","8","1") = "7"
    & skf18("5","6","6","6","8","9","1") = "8"
    & skf18("5","6","6","6","8","10","1") = "9"
    & skf18("5","6","6","6","9","1","1") = "8"
    & skf18("5","6","6","6","9","2","1") = "8"
    & skf18("5","6","6","6","9","3","1") = "8"
    & skf18("5","6","6","6","9","4","1") = "8"
    & skf18("5","6","6","6","9","5","1") = "8"
    & skf18("5","6","6","6","9","6","1") = "8"
    & skf18("5","6","6","6","9","7","1") = "8"
    & skf18("5","6","6","6","9","8","1") = "8"
    & skf18("5","6","6","6","9","9","1") = "8"
    & skf18("5","6","6","6","9","10","1") = "9"
    & skf18("5","6","6","6","10","1","1") = "9"
    & skf18("5","6","6","6","10","2","1") = "9"
    & skf18("5","6","6","6","10","3","1") = "9"
    & skf18("5","6","6","6","10","4","1") = "9"
    & skf18("5","6","6","6","10","5","1") = "9"
    & skf18("5","6","6","6","10","6","1") = "9"
    & skf18("5","6","6","6","10","7","1") = "9"
    & skf18("5","6","6","6","10","8","1") = "9"
    & skf18("5","6","6","6","10","9","1") = "9"
    & skf18("5","6","6","6","10","10","1") = "9"
    & skf18("5","6","6","7","1","1","1") = "6"
    & skf18("5","6","6","7","1","2","1") = "6"
    & skf18("5","6","6","7","1","3","1") = "6"
    & skf18("5","6","6","7","1","4","1") = "6"
    & skf18("5","6","6","7","1","5","1") = "6"
    & skf18("5","6","6","7","1","6","1") = "6"
    & skf18("5","6","6","7","1","7","1") = "6"
    & skf18("5","6","6","7","1","8","1") = "7"
    & skf18("5","6","6","7","1","9","1") = "8"
    & skf18("5","6","6","7","1","10","1") = "9"
    & skf18("5","6","6","7","2","1","1") = "6"
    & skf18("5","6","6","7","2","2","1") = "6"
    & skf18("5","6","6","7","2","3","1") = "6"
    & skf18("5","6","6","7","2","4","1") = "6"
    & skf18("5","6","6","7","2","5","1") = "6"
    & skf18("5","6","6","7","2","6","1") = "6"
    & skf18("5","6","6","7","2","7","1") = "6"
    & skf18("5","6","6","7","2","8","1") = "7"
    & skf18("5","6","6","7","2","9","1") = "8"
    & skf18("5","6","6","7","2","10","1") = "9"
    & skf18("5","6","6","7","3","1","1") = "6"
    & skf18("5","6","6","7","3","2","1") = "6"
    & skf18("5","6","6","7","3","3","1") = "6"
    & skf18("5","6","6","7","3","4","1") = "6"
    & skf18("5","6","6","7","3","5","1") = "6"
    & skf18("5","6","6","7","3","6","1") = "6"
    & skf18("5","6","6","7","3","7","1") = "6"
    & skf18("5","6","6","7","3","8","1") = "7"
    & skf18("5","6","6","7","3","9","1") = "8"
    & skf18("5","6","6","7","3","10","1") = "9"
    & skf18("5","6","6","7","4","1","1") = "6"
    & skf18("5","6","6","7","4","2","1") = "6"
    & skf18("5","6","6","7","4","3","1") = "6"
    & skf18("5","6","6","7","4","4","1") = "6"
    & skf18("5","6","6","7","4","5","1") = "6"
    & skf18("5","6","6","7","4","6","1") = "6"
    & skf18("5","6","6","7","4","7","1") = "6"
    & skf18("5","6","6","7","4","8","1") = "7"
    & skf18("5","6","6","7","4","9","1") = "8"
    & skf18("5","6","6","7","4","10","1") = "9"
    & skf18("5","6","6","7","5","1","1") = "6"
    & skf18("5","6","6","7","5","2","1") = "6"
    & skf18("5","6","6","7","5","3","1") = "6"
    & skf18("5","6","6","7","5","4","1") = "6"
    & skf18("5","6","6","7","5","5","1") = "6"
    & skf18("5","6","6","7","5","6","1") = "6"
    & skf18("5","6","6","7","5","7","1") = "6"
    & skf18("5","6","6","7","5","8","1") = "7"
    & skf18("5","6","6","7","5","9","1") = "8"
    & skf18("5","6","6","7","5","10","1") = "9"
    & skf18("5","6","6","7","6","1","1") = "6"
    & skf18("5","6","6","7","6","2","1") = "6"
    & skf18("5","6","6","7","6","3","1") = "6"
    & skf18("5","6","6","7","6","4","1") = "6"
    & skf18("5","6","6","7","6","5","1") = "6"
    & skf18("5","6","6","7","6","6","1") = "6"
    & skf18("5","6","6","7","6","7","1") = "6"
    & skf18("5","6","6","7","6","8","1") = "7"
    & skf18("5","6","6","7","6","9","1") = "8"
    & skf18("5","6","6","7","6","10","1") = "9"
    & skf18("5","6","6","7","7","1","1") = "6"
    & skf18("5","6","6","7","7","2","1") = "6"
    & skf18("5","6","6","7","7","3","1") = "6"
    & skf18("5","6","6","7","7","4","1") = "6"
    & skf18("5","6","6","7","7","5","1") = "6"
    & skf18("5","6","6","7","7","6","1") = "6"
    & skf18("5","6","6","7","7","7","1") = "6"
    & skf18("5","6","6","7","7","8","1") = "7"
    & skf18("5","6","6","7","7","9","1") = "8"
    & skf18("5","6","6","7","7","10","1") = "9"
    & skf18("5","6","6","7","8","1","1") = "7"
    & skf18("5","6","6","7","8","2","1") = "7"
    & skf18("5","6","6","7","8","3","1") = "7"
    & skf18("5","6","6","7","8","4","1") = "7"
    & skf18("5","6","6","7","8","5","1") = "7"
    & skf18("5","6","6","7","8","6","1") = "7"
    & skf18("5","6","6","7","8","7","1") = "7"
    & skf18("5","6","6","7","8","8","1") = "7"
    & skf18("5","6","6","7","8","9","1") = "8"
    & skf18("5","6","6","7","8","10","1") = "9"
    & skf18("5","6","6","7","9","1","1") = "8"
    & skf18("5","6","6","7","9","2","1") = "8"
    & skf18("5","6","6","7","9","3","1") = "8"
    & skf18("5","6","6","7","9","4","1") = "8"
    & skf18("5","6","6","7","9","5","1") = "8"
    & skf18("5","6","6","7","9","6","1") = "8"
    & skf18("5","6","6","7","9","7","1") = "8"
    & skf18("5","6","6","7","9","8","1") = "8"
    & skf18("5","6","6","7","9","9","1") = "8"
    & skf18("5","6","6","7","9","10","1") = "9"
    & skf18("5","6","6","7","10","1","1") = "9"
    & skf18("5","6","6","7","10","2","1") = "9"
    & skf18("5","6","6","7","10","3","1") = "9"
    & skf18("5","6","6","7","10","4","1") = "9"
    & skf18("5","6","6","7","10","5","1") = "9"
    & skf18("5","6","6","7","10","6","1") = "9"
    & skf18("5","6","6","7","10","7","1") = "9"
    & skf18("5","6","6","7","10","8","1") = "9"
    & skf18("5","6","6","7","10","9","1") = "9"
    & skf18("5","6","6","7","10","10","1") = "9"
    & skf18("5","6","6","8","1","1","1") = "7"
    & skf18("5","6","6","8","1","2","1") = "7"
    & skf18("5","6","6","8","1","3","1") = "7"
    & skf18("5","6","6","8","1","4","1") = "7"
    & skf18("5","6","6","8","1","5","1") = "7"
    & skf18("5","6","6","8","1","6","1") = "7"
    & skf18("5","6","6","8","1","7","1") = "7"
    & skf18("5","6","6","8","1","8","1") = "7"
    & skf18("5","6","6","8","1","9","1") = "8"
    & skf18("5","6","6","8","1","10","1") = "9"
    & skf18("5","6","6","8","2","1","1") = "7"
    & skf18("5","6","6","8","2","2","1") = "7"
    & skf18("5","6","6","8","2","3","1") = "7"
    & skf18("5","6","6","8","2","4","1") = "7"
    & skf18("5","6","6","8","2","5","1") = "7"
    & skf18("5","6","6","8","2","6","1") = "7"
    & skf18("5","6","6","8","2","7","1") = "7"
    & skf18("5","6","6","8","2","8","1") = "7"
    & skf18("5","6","6","8","2","9","1") = "8"
    & skf18("5","6","6","8","2","10","1") = "9"
    & skf18("5","6","6","8","3","1","1") = "7"
    & skf18("5","6","6","8","3","2","1") = "7"
    & skf18("5","6","6","8","3","3","1") = "7"
    & skf18("5","6","6","8","3","4","1") = "7"
    & skf18("5","6","6","8","3","5","1") = "7"
    & skf18("5","6","6","8","3","6","1") = "7"
    & skf18("5","6","6","8","3","7","1") = "7"
    & skf18("5","6","6","8","3","8","1") = "7"
    & skf18("5","6","6","8","3","9","1") = "8"
    & skf18("5","6","6","8","3","10","1") = "9"
    & skf18("5","6","6","8","4","1","1") = "7"
    & skf18("5","6","6","8","4","2","1") = "7"
    & skf18("5","6","6","8","4","3","1") = "7"
    & skf18("5","6","6","8","4","4","1") = "7"
    & skf18("5","6","6","8","4","5","1") = "7"
    & skf18("5","6","6","8","4","6","1") = "7"
    & skf18("5","6","6","8","4","7","1") = "7"
    & skf18("5","6","6","8","4","8","1") = "7"
    & skf18("5","6","6","8","4","9","1") = "8"
    & skf18("5","6","6","8","4","10","1") = "9"
    & skf18("5","6","6","8","5","1","1") = "7"
    & skf18("5","6","6","8","5","2","1") = "7"
    & skf18("5","6","6","8","5","3","1") = "7"
    & skf18("5","6","6","8","5","4","1") = "7"
    & skf18("5","6","6","8","5","5","1") = "7"
    & skf18("5","6","6","8","5","6","1") = "7"
    & skf18("5","6","6","8","5","7","1") = "7"
    & skf18("5","6","6","8","5","8","1") = "7"
    & skf18("5","6","6","8","5","9","1") = "8"
    & skf18("5","6","6","8","5","10","1") = "9"
    & skf18("5","6","6","8","6","1","1") = "7"
    & skf18("5","6","6","8","6","2","1") = "7"
    & skf18("5","6","6","8","6","3","1") = "7"
    & skf18("5","6","6","8","6","4","1") = "7"
    & skf18("5","6","6","8","6","5","1") = "7"
    & skf18("5","6","6","8","6","6","1") = "7"
    & skf18("5","6","6","8","6","7","1") = "7"
    & skf18("5","6","6","8","6","8","1") = "7"
    & skf18("5","6","6","8","6","9","1") = "8"
    & skf18("5","6","6","8","6","10","1") = "9"
    & skf18("5","6","6","8","7","1","1") = "7"
    & skf18("5","6","6","8","7","2","1") = "7"
    & skf18("5","6","6","8","7","3","1") = "7"
    & skf18("5","6","6","8","7","4","1") = "7"
    & skf18("5","6","6","8","7","5","1") = "7"
    & skf18("5","6","6","8","7","6","1") = "7"
    & skf18("5","6","6","8","7","7","1") = "7"
    & skf18("5","6","6","8","7","8","1") = "7"
    & skf18("5","6","6","8","7","9","1") = "8"
    & skf18("5","6","6","8","7","10","1") = "9"
    & skf18("5","6","6","8","8","1","1") = "7"
    & skf18("5","6","6","8","8","2","1") = "7"
    & skf18("5","6","6","8","8","3","1") = "7"
    & skf18("5","6","6","8","8","4","1") = "7"
    & skf18("5","6","6","8","8","5","1") = "7"
    & skf18("5","6","6","8","8","6","1") = "7"
    & skf18("5","6","6","8","8","7","1") = "7"
    & skf18("5","6","6","8","8","8","1") = "7"
    & skf18("5","6","6","8","8","9","1") = "8"
    & skf18("5","6","6","8","8","10","1") = "9"
    & skf18("5","6","6","8","9","1","1") = "8"
    & skf18("5","6","6","8","9","2","1") = "8"
    & skf18("5","6","6","8","9","3","1") = "8"
    & skf18("5","6","6","8","9","4","1") = "8"
    & skf18("5","6","6","8","9","5","1") = "8"
    & skf18("5","6","6","8","9","6","1") = "8"
    & skf18("5","6","6","8","9","7","1") = "8"
    & skf18("5","6","6","8","9","8","1") = "8"
    & skf18("5","6","6","8","9","9","1") = "8"
    & skf18("5","6","6","8","9","10","1") = "9"
    & skf18("5","6","6","8","10","1","1") = "9"
    & skf18("5","6","6","8","10","2","1") = "9"
    & skf18("5","6","6","8","10","3","1") = "9"
    & skf18("5","6","6","8","10","4","1") = "9"
    & skf18("5","6","6","8","10","5","1") = "9"
    & skf18("5","6","6","8","10","6","1") = "9"
    & skf18("5","6","6","8","10","7","1") = "9"
    & skf18("5","6","6","8","10","8","1") = "9"
    & skf18("5","6","6","8","10","9","1") = "9"
    & skf18("5","6","6","8","10","10","1") = "9"
    & skf18("5","6","6","9","1","1","1") = "8"
    & skf18("5","6","6","9","1","2","1") = "8"
    & skf18("5","6","6","9","1","3","1") = "8"
    & skf18("5","6","6","9","1","4","1") = "8"
    & skf18("5","6","6","9","1","5","1") = "8"
    & skf18("5","6","6","9","1","6","1") = "8"
    & skf18("5","6","6","9","1","7","1") = "8"
    & skf18("5","6","6","9","1","8","1") = "8"
    & skf18("5","6","6","9","1","9","1") = "8"
    & skf18("5","6","6","9","1","10","1") = "9"
    & skf18("5","6","6","9","2","1","1") = "8"
    & skf18("5","6","6","9","2","2","1") = "8"
    & skf18("5","6","6","9","2","3","1") = "8"
    & skf18("5","6","6","9","2","4","1") = "8"
    & skf18("5","6","6","9","2","5","1") = "8"
    & skf18("5","6","6","9","2","6","1") = "8"
    & skf18("5","6","6","9","2","7","1") = "8"
    & skf18("5","6","6","9","2","8","1") = "8"
    & skf18("5","6","6","9","2","9","1") = "8"
    & skf18("5","6","6","9","2","10","1") = "9"
    & skf18("5","6","6","9","3","1","1") = "8"
    & skf18("5","6","6","9","3","2","1") = "8"
    & skf18("5","6","6","9","3","3","1") = "8"
    & skf18("5","6","6","9","3","4","1") = "8"
    & skf18("5","6","6","9","3","5","1") = "8"
    & skf18("5","6","6","9","3","6","1") = "8"
    & skf18("5","6","6","9","3","7","1") = "8"
    & skf18("5","6","6","9","3","8","1") = "8"
    & skf18("5","6","6","9","3","9","1") = "8"
    & skf18("5","6","6","9","3","10","1") = "9"
    & skf18("5","6","6","9","4","1","1") = "8"
    & skf18("5","6","6","9","4","2","1") = "8"
    & skf18("5","6","6","9","4","3","1") = "8"
    & skf18("5","6","6","9","4","4","1") = "8"
    & skf18("5","6","6","9","4","5","1") = "8"
    & skf18("5","6","6","9","4","6","1") = "8"
    & skf18("5","6","6","9","4","7","1") = "8"
    & skf18("5","6","6","9","4","8","1") = "8"
    & skf18("5","6","6","9","4","9","1") = "8"
    & skf18("5","6","6","9","4","10","1") = "9"
    & skf18("5","6","6","9","5","1","1") = "8"
    & skf18("5","6","6","9","5","2","1") = "8"
    & skf18("5","6","6","9","5","3","1") = "8"
    & skf18("5","6","6","9","5","4","1") = "8"
    & skf18("5","6","6","9","5","5","1") = "8"
    & skf18("5","6","6","9","5","6","1") = "8"
    & skf18("5","6","6","9","5","7","1") = "8"
    & skf18("5","6","6","9","5","8","1") = "8"
    & skf18("5","6","6","9","5","9","1") = "8"
    & skf18("5","6","6","9","5","10","1") = "9"
    & skf18("5","6","6","9","6","1","1") = "8"
    & skf18("5","6","6","9","6","2","1") = "8"
    & skf18("5","6","6","9","6","3","1") = "8"
    & skf18("5","6","6","9","6","4","1") = "8"
    & skf18("5","6","6","9","6","5","1") = "8"
    & skf18("5","6","6","9","6","6","1") = "8"
    & skf18("5","6","6","9","6","7","1") = "8"
    & skf18("5","6","6","9","6","8","1") = "8"
    & skf18("5","6","6","9","6","9","1") = "8"
    & skf18("5","6","6","9","6","10","1") = "9"
    & skf18("5","6","6","9","7","1","1") = "8"
    & skf18("5","6","6","9","7","2","1") = "8"
    & skf18("5","6","6","9","7","3","1") = "8"
    & skf18("5","6","6","9","7","4","1") = "8"
    & skf18("5","6","6","9","7","5","1") = "8"
    & skf18("5","6","6","9","7","6","1") = "8"
    & skf18("5","6","6","9","7","7","1") = "8"
    & skf18("5","6","6","9","7","8","1") = "8"
    & skf18("5","6","6","9","7","9","1") = "8"
    & skf18("5","6","6","9","7","10","1") = "9"
    & skf18("5","6","6","9","8","1","1") = "8"
    & skf18("5","6","6","9","8","2","1") = "8"
    & skf18("5","6","6","9","8","3","1") = "8"
    & skf18("5","6","6","9","8","4","1") = "8"
    & skf18("5","6","6","9","8","5","1") = "8"
    & skf18("5","6","6","9","8","6","1") = "8"
    & skf18("5","6","6","9","8","7","1") = "8"
    & skf18("5","6","6","9","8","8","1") = "8"
    & skf18("5","6","6","9","8","9","1") = "8"
    & skf18("5","6","6","9","8","10","1") = "9"
    & skf18("5","6","6","9","9","1","1") = "8"
    & skf18("5","6","6","9","9","2","1") = "8"
    & skf18("5","6","6","9","9","3","1") = "8"
    & skf18("5","6","6","9","9","4","1") = "8"
    & skf18("5","6","6","9","9","5","1") = "8"
    & skf18("5","6","6","9","9","6","1") = "8"
    & skf18("5","6","6","9","9","7","1") = "8"
    & skf18("5","6","6","9","9","8","1") = "8"
    & skf18("5","6","6","9","9","9","1") = "8"
    & skf18("5","6","6","9","9","10","1") = "9"
    & skf18("5","6","6","9","10","1","1") = "9"
    & skf18("5","6","6","9","10","2","1") = "9"
    & skf18("5","6","6","9","10","3","1") = "9"
    & skf18("5","6","6","9","10","4","1") = "9"
    & skf18("5","6","6","9","10","5","1") = "9"
    & skf18("5","6","6","9","10","6","1") = "9"
    & skf18("5","6","6","9","10","7","1") = "9"
    & skf18("5","6","6","9","10","8","1") = "9"
    & skf18("5","6","6","9","10","9","1") = "9"
    & skf18("5","6","6","9","10","10","1") = "9"
    & skf18("5","6","6","10","1","1","1") = "9"
    & skf18("5","6","6","10","1","2","1") = "9"
    & skf18("5","6","6","10","1","3","1") = "9"
    & skf18("5","6","6","10","1","4","1") = "9"
    & skf18("5","6","6","10","1","5","1") = "9"
    & skf18("5","6","6","10","1","6","1") = "9"
    & skf18("5","6","6","10","1","7","1") = "9"
    & skf18("5","6","6","10","1","8","1") = "9"
    & skf18("5","6","6","10","1","9","1") = "9"
    & skf18("5","6","6","10","1","10","1") = "9"
    & skf18("5","6","6","10","2","1","1") = "9"
    & skf18("5","6","6","10","2","2","1") = "9"
    & skf18("5","6","6","10","2","3","1") = "9"
    & skf18("5","6","6","10","2","4","1") = "9"
    & skf18("5","6","6","10","2","5","1") = "9"
    & skf18("5","6","6","10","2","6","1") = "9"
    & skf18("5","6","6","10","2","7","1") = "9"
    & skf18("5","6","6","10","2","8","1") = "9"
    & skf18("5","6","6","10","2","9","1") = "9"
    & skf18("5","6","6","10","2","10","1") = "9"
    & skf18("5","6","6","10","3","1","1") = "9"
    & skf18("5","6","6","10","3","2","1") = "9"
    & skf18("5","6","6","10","3","3","1") = "9"
    & skf18("5","6","6","10","3","4","1") = "9"
    & skf18("5","6","6","10","3","5","1") = "9"
    & skf18("5","6","6","10","3","6","1") = "9"
    & skf18("5","6","6","10","3","7","1") = "9"
    & skf18("5","6","6","10","3","8","1") = "9"
    & skf18("5","6","6","10","3","9","1") = "9"
    & skf18("5","6","6","10","3","10","1") = "9"
    & skf18("5","6","6","10","4","1","1") = "9"
    & skf18("5","6","6","10","4","2","1") = "9"
    & skf18("5","6","6","10","4","3","1") = "9"
    & skf18("5","6","6","10","4","4","1") = "9"
    & skf18("5","6","6","10","4","5","1") = "9"
    & skf18("5","6","6","10","4","6","1") = "9"
    & skf18("5","6","6","10","4","7","1") = "9"
    & skf18("5","6","6","10","4","8","1") = "9"
    & skf18("5","6","6","10","4","9","1") = "9"
    & skf18("5","6","6","10","4","10","1") = "9"
    & skf18("5","6","6","10","5","1","1") = "9"
    & skf18("5","6","6","10","5","2","1") = "9"
    & skf18("5","6","6","10","5","3","1") = "9"
    & skf18("5","6","6","10","5","4","1") = "9"
    & skf18("5","6","6","10","5","5","1") = "9"
    & skf18("5","6","6","10","5","6","1") = "9"
    & skf18("5","6","6","10","5","7","1") = "9"
    & skf18("5","6","6","10","5","8","1") = "9"
    & skf18("5","6","6","10","5","9","1") = "9"
    & skf18("5","6","6","10","5","10","1") = "9"
    & skf18("5","6","6","10","6","1","1") = "9"
    & skf18("5","6","6","10","6","2","1") = "9"
    & skf18("5","6","6","10","6","3","1") = "9"
    & skf18("5","6","6","10","6","4","1") = "9"
    & skf18("5","6","6","10","6","5","1") = "9"
    & skf18("5","6","6","10","6","6","1") = "9"
    & skf18("5","6","6","10","6","7","1") = "9"
    & skf18("5","6","6","10","6","8","1") = "9"
    & skf18("5","6","6","10","6","9","1") = "9"
    & skf18("5","6","6","10","6","10","1") = "9"
    & skf18("5","6","6","10","7","1","1") = "9"
    & skf18("5","6","6","10","7","2","1") = "9"
    & skf18("5","6","6","10","7","3","1") = "9"
    & skf18("5","6","6","10","7","4","1") = "9"
    & skf18("5","6","6","10","7","5","1") = "9"
    & skf18("5","6","6","10","7","6","1") = "9"
    & skf18("5","6","6","10","7","7","1") = "9"
    & skf18("5","6","6","10","7","8","1") = "9"
    & skf18("5","6","6","10","7","9","1") = "9"
    & skf18("5","6","6","10","7","10","1") = "9"
    & skf18("5","6","6","10","8","1","1") = "9"
    & skf18("5","6","6","10","8","2","1") = "9"
    & skf18("5","6","6","10","8","3","1") = "9"
    & skf18("5","6","6","10","8","4","1") = "9"
    & skf18("5","6","6","10","8","5","1") = "9"
    & skf18("5","6","6","10","8","6","1") = "9"
    & skf18("5","6","6","10","8","7","1") = "9"
    & skf18("5","6","6","10","8","8","1") = "9"
    & skf18("5","6","6","10","8","9","1") = "9"
    & skf18("5","6","6","10","8","10","1") = "9"
    & skf18("5","6","6","10","9","1","1") = "9"
    & skf18("5","6","6","10","9","2","1") = "9"
    & skf18("5","6","6","10","9","3","1") = "9"
    & skf18("5","6","6","10","9","4","1") = "9"
    & skf18("5","6","6","10","9","5","1") = "9"
    & skf18("5","6","6","10","9","6","1") = "9"
    & skf18("5","6","6","10","9","7","1") = "9"
    & skf18("5","6","6","10","9","8","1") = "9"
    & skf18("5","6","6","10","9","9","1") = "9"
    & skf18("5","6","6","10","9","10","1") = "9"
    & skf18("5","6","6","10","10","1","1") = "9"
    & skf18("5","6","6","10","10","2","1") = "9"
    & skf18("5","6","6","10","10","3","1") = "9"
    & skf18("5","6","6","10","10","4","1") = "9"
    & skf18("5","6","6","10","10","5","1") = "9"
    & skf18("5","6","6","10","10","6","1") = "9"
    & skf18("5","6","6","10","10","7","1") = "9"
    & skf18("5","6","6","10","10","8","1") = "9"
    & skf18("5","6","6","10","10","9","1") = "9"
    & skf18("5","6","6","10","10","10","1") = "9"
    & skf18("5","6","7","1","1","1","1") = "6"
    & skf18("5","6","7","1","1","2","1") = "6"
    & skf18("5","6","7","1","1","3","1") = "6"
    & skf18("5","6","7","1","1","4","1") = "6"
    & skf18("5","6","7","1","1","5","1") = "6"
    & skf18("5","6","7","1","1","6","1") = "6"
    & skf18("5","6","7","1","1","7","1") = "6"
    & skf18("5","6","7","1","1","8","1") = "7"
    & skf18("5","6","7","1","1","9","1") = "8"
    & skf18("5","6","7","1","1","10","1") = "9"
    & skf18("5","6","7","1","2","1","1") = "6"
    & skf18("5","6","7","1","2","2","1") = "6"
    & skf18("5","6","7","1","2","3","1") = "6"
    & skf18("5","6","7","1","2","4","1") = "6"
    & skf18("5","6","7","1","2","5","1") = "6"
    & skf18("5","6","7","1","2","6","1") = "6"
    & skf18("5","6","7","1","2","7","1") = "6"
    & skf18("5","6","7","1","2","8","1") = "7"
    & skf18("5","6","7","1","2","9","1") = "8"
    & skf18("5","6","7","1","2","10","1") = "9"
    & skf18("5","6","7","1","3","1","1") = "6"
    & skf18("5","6","7","1","3","2","1") = "6"
    & skf18("5","6","7","1","3","3","1") = "6"
    & skf18("5","6","7","1","3","4","1") = "6"
    & skf18("5","6","7","1","3","5","1") = "6"
    & skf18("5","6","7","1","3","6","1") = "6"
    & skf18("5","6","7","1","3","7","1") = "6"
    & skf18("5","6","7","1","3","8","1") = "7"
    & skf18("5","6","7","1","3","9","1") = "8"
    & skf18("5","6","7","1","3","10","1") = "9"
    & skf18("5","6","7","1","4","1","1") = "6"
    & skf18("5","6","7","1","4","2","1") = "6"
    & skf18("5","6","7","1","4","3","1") = "6"
    & skf18("5","6","7","1","4","4","1") = "6"
    & skf18("5","6","7","1","4","5","1") = "6"
    & skf18("5","6","7","1","4","6","1") = "6"
    & skf18("5","6","7","1","4","7","1") = "6"
    & skf18("5","6","7","1","4","8","1") = "7"
    & skf18("5","6","7","1","4","9","1") = "8"
    & skf18("5","6","7","1","4","10","1") = "9"
    & skf18("5","6","7","1","5","1","1") = "6"
    & skf18("5","6","7","1","5","2","1") = "6"
    & skf18("5","6","7","1","5","3","1") = "6"
    & skf18("5","6","7","1","5","4","1") = "6"
    & skf18("5","6","7","1","5","5","1") = "6"
    & skf18("5","6","7","1","5","6","1") = "6"
    & skf18("5","6","7","1","5","7","1") = "6"
    & skf18("5","6","7","1","5","8","1") = "7"
    & skf18("5","6","7","1","5","9","1") = "8"
    & skf18("5","6","7","1","5","10","1") = "9"
    & skf18("5","6","7","1","6","1","1") = "6"
    & skf18("5","6","7","1","6","2","1") = "6"
    & skf18("5","6","7","1","6","3","1") = "6"
    & skf18("5","6","7","1","6","4","1") = "6"
    & skf18("5","6","7","1","6","5","1") = "6"
    & skf18("5","6","7","1","6","6","1") = "6"
    & skf18("5","6","7","1","6","7","1") = "6"
    & skf18("5","6","7","1","6","8","1") = "7"
    & skf18("5","6","7","1","6","9","1") = "8"
    & skf18("5","6","7","1","6","10","1") = "9"
    & skf18("5","6","7","1","7","1","1") = "6"
    & skf18("5","6","7","1","7","2","1") = "6"
    & skf18("5","6","7","1","7","3","1") = "6"
    & skf18("5","6","7","1","7","4","1") = "6"
    & skf18("5","6","7","1","7","5","1") = "6"
    & skf18("5","6","7","1","7","6","1") = "6"
    & skf18("5","6","7","1","7","7","1") = "6"
    & skf18("5","6","7","1","7","8","1") = "7"
    & skf18("5","6","7","1","7","9","1") = "8"
    & skf18("5","6","7","1","7","10","1") = "9"
    & skf18("5","6","7","1","8","1","1") = "7"
    & skf18("5","6","7","1","8","2","1") = "7"
    & skf18("5","6","7","1","8","3","1") = "7"
    & skf18("5","6","7","1","8","4","1") = "7"
    & skf18("5","6","7","1","8","5","1") = "7"
    & skf18("5","6","7","1","8","6","1") = "7"
    & skf18("5","6","7","1","8","7","1") = "7"
    & skf18("5","6","7","1","8","8","1") = "7"
    & skf18("5","6","7","1","8","9","1") = "8"
    & skf18("5","6","7","1","8","10","1") = "9"
    & skf18("5","6","7","1","9","1","1") = "8"
    & skf18("5","6","7","1","9","2","1") = "8"
    & skf18("5","6","7","1","9","3","1") = "8"
    & skf18("5","6","7","1","9","4","1") = "8"
    & skf18("5","6","7","1","9","5","1") = "8"
    & skf18("5","6","7","1","9","6","1") = "8"
    & skf18("5","6","7","1","9","7","1") = "8"
    & skf18("5","6","7","1","9","8","1") = "8"
    & skf18("5","6","7","1","9","9","1") = "8"
    & skf18("5","6","7","1","9","10","1") = "9"
    & skf18("5","6","7","1","10","1","1") = "9"
    & skf18("5","6","7","1","10","2","1") = "9"
    & skf18("5","6","7","1","10","3","1") = "9"
    & skf18("5","6","7","1","10","4","1") = "9"
    & skf18("5","6","7","1","10","5","1") = "9"
    & skf18("5","6","7","1","10","6","1") = "9"
    & skf18("5","6","7","1","10","7","1") = "9"
    & skf18("5","6","7","1","10","8","1") = "9"
    & skf18("5","6","7","1","10","9","1") = "9"
    & skf18("5","6","7","1","10","10","1") = "9"
    & skf18("5","6","7","2","1","1","1") = "6"
    & skf18("5","6","7","2","1","2","1") = "6"
    & skf18("5","6","7","2","1","3","1") = "6"
    & skf18("5","6","7","2","1","4","1") = "6"
    & skf18("5","6","7","2","1","5","1") = "6"
    & skf18("5","6","7","2","1","6","1") = "6"
    & skf18("5","6","7","2","1","7","1") = "6"
    & skf18("5","6","7","2","1","8","1") = "7"
    & skf18("5","6","7","2","1","9","1") = "8"
    & skf18("5","6","7","2","1","10","1") = "9"
    & skf18("5","6","7","2","2","1","1") = "6"
    & skf18("5","6","7","2","2","2","1") = "6"
    & skf18("5","6","7","2","2","3","1") = "6"
    & skf18("5","6","7","2","2","4","1") = "6"
    & skf18("5","6","7","2","2","5","1") = "6"
    & skf18("5","6","7","2","2","6","1") = "6"
    & skf18("5","6","7","2","2","7","1") = "6"
    & skf18("5","6","7","2","2","8","1") = "7"
    & skf18("5","6","7","2","2","9","1") = "8"
    & skf18("5","6","7","2","2","10","1") = "9"
    & skf18("5","6","7","2","3","1","1") = "6"
    & skf18("5","6","7","2","3","2","1") = "6"
    & skf18("5","6","7","2","3","3","1") = "6"
    & skf18("5","6","7","2","3","4","1") = "6"
    & skf18("5","6","7","2","3","5","1") = "6"
    & skf18("5","6","7","2","3","6","1") = "6"
    & skf18("5","6","7","2","3","7","1") = "6"
    & skf18("5","6","7","2","3","8","1") = "7"
    & skf18("5","6","7","2","3","9","1") = "8"
    & skf18("5","6","7","2","3","10","1") = "9"
    & skf18("5","6","7","2","4","1","1") = "6"
    & skf18("5","6","7","2","4","2","1") = "6"
    & skf18("5","6","7","2","4","3","1") = "6"
    & skf18("5","6","7","2","4","4","1") = "6"
    & skf18("5","6","7","2","4","5","1") = "6"
    & skf18("5","6","7","2","4","6","1") = "6"
    & skf18("5","6","7","2","4","7","1") = "6"
    & skf18("5","6","7","2","4","8","1") = "7"
    & skf18("5","6","7","2","4","9","1") = "8"
    & skf18("5","6","7","2","4","10","1") = "9"
    & skf18("5","6","7","2","5","1","1") = "6"
    & skf18("5","6","7","2","5","2","1") = "6"
    & skf18("5","6","7","2","5","3","1") = "6"
    & skf18("5","6","7","2","5","4","1") = "6"
    & skf18("5","6","7","2","5","5","1") = "6"
    & skf18("5","6","7","2","5","6","1") = "6"
    & skf18("5","6","7","2","5","7","1") = "6"
    & skf18("5","6","7","2","5","8","1") = "7"
    & skf18("5","6","7","2","5","9","1") = "8"
    & skf18("5","6","7","2","5","10","1") = "9"
    & skf18("5","6","7","2","6","1","1") = "6"
    & skf18("5","6","7","2","6","2","1") = "6"
    & skf18("5","6","7","2","6","3","1") = "6"
    & skf18("5","6","7","2","6","4","1") = "6"
    & skf18("5","6","7","2","6","5","1") = "6"
    & skf18("5","6","7","2","6","6","1") = "6"
    & skf18("5","6","7","2","6","7","1") = "6"
    & skf18("5","6","7","2","6","8","1") = "7"
    & skf18("5","6","7","2","6","9","1") = "8"
    & skf18("5","6","7","2","6","10","1") = "9"
    & skf18("5","6","7","2","7","1","1") = "6"
    & skf18("5","6","7","2","7","2","1") = "6"
    & skf18("5","6","7","2","7","3","1") = "6"
    & skf18("5","6","7","2","7","4","1") = "6"
    & skf18("5","6","7","2","7","5","1") = "6"
    & skf18("5","6","7","2","7","6","1") = "6"
    & skf18("5","6","7","2","7","7","1") = "6"
    & skf18("5","6","7","2","7","8","1") = "7"
    & skf18("5","6","7","2","7","9","1") = "8"
    & skf18("5","6","7","2","7","10","1") = "9"
    & skf18("5","6","7","2","8","1","1") = "7"
    & skf18("5","6","7","2","8","2","1") = "7"
    & skf18("5","6","7","2","8","3","1") = "7"
    & skf18("5","6","7","2","8","4","1") = "7"
    & skf18("5","6","7","2","8","5","1") = "7"
    & skf18("5","6","7","2","8","6","1") = "7"
    & skf18("5","6","7","2","8","7","1") = "7"
    & skf18("5","6","7","2","8","8","1") = "7"
    & skf18("5","6","7","2","8","9","1") = "8"
    & skf18("5","6","7","2","8","10","1") = "9"
    & skf18("5","6","7","2","9","1","1") = "8"
    & skf18("5","6","7","2","9","2","1") = "8"
    & skf18("5","6","7","2","9","3","1") = "8"
    & skf18("5","6","7","2","9","4","1") = "8"
    & skf18("5","6","7","2","9","5","1") = "8"
    & skf18("5","6","7","2","9","6","1") = "8"
    & skf18("5","6","7","2","9","7","1") = "8"
    & skf18("5","6","7","2","9","8","1") = "8"
    & skf18("5","6","7","2","9","9","1") = "8"
    & skf18("5","6","7","2","9","10","1") = "9"
    & skf18("5","6","7","2","10","1","1") = "9"
    & skf18("5","6","7","2","10","2","1") = "9"
    & skf18("5","6","7","2","10","3","1") = "9"
    & skf18("5","6","7","2","10","4","1") = "9"
    & skf18("5","6","7","2","10","5","1") = "9"
    & skf18("5","6","7","2","10","6","1") = "9"
    & skf18("5","6","7","2","10","7","1") = "9"
    & skf18("5","6","7","2","10","8","1") = "9"
    & skf18("5","6","7","2","10","9","1") = "9"
    & skf18("5","6","7","2","10","10","1") = "9"
    & skf18("5","6","7","3","1","1","1") = "6"
    & skf18("5","6","7","3","1","2","1") = "6"
    & skf18("5","6","7","3","1","3","1") = "6"
    & skf18("5","6","7","3","1","4","1") = "6"
    & skf18("5","6","7","3","1","5","1") = "6"
    & skf18("5","6","7","3","1","6","1") = "6"
    & skf18("5","6","7","3","1","7","1") = "6"
    & skf18("5","6","7","3","1","8","1") = "7"
    & skf18("5","6","7","3","1","9","1") = "8"
    & skf18("5","6","7","3","1","10","1") = "9"
    & skf18("5","6","7","3","2","1","1") = "6"
    & skf18("5","6","7","3","2","2","1") = "6"
    & skf18("5","6","7","3","2","3","1") = "6"
    & skf18("5","6","7","3","2","4","1") = "6"
    & skf18("5","6","7","3","2","5","1") = "6"
    & skf18("5","6","7","3","2","6","1") = "6"
    & skf18("5","6","7","3","2","7","1") = "6"
    & skf18("5","6","7","3","2","8","1") = "7"
    & skf18("5","6","7","3","2","9","1") = "8"
    & skf18("5","6","7","3","2","10","1") = "9"
    & skf18("5","6","7","3","3","1","1") = "6"
    & skf18("5","6","7","3","3","2","1") = "6"
    & skf18("5","6","7","3","3","3","1") = "6"
    & skf18("5","6","7","3","3","4","1") = "6"
    & skf18("5","6","7","3","3","5","1") = "6"
    & skf18("5","6","7","3","3","6","1") = "6"
    & skf18("5","6","7","3","3","7","1") = "6"
    & skf18("5","6","7","3","3","8","1") = "7"
    & skf18("5","6","7","3","3","9","1") = "8"
    & skf18("5","6","7","3","3","10","1") = "9"
    & skf18("5","6","7","3","4","1","1") = "6"
    & skf18("5","6","7","3","4","2","1") = "6"
    & skf18("5","6","7","3","4","3","1") = "6"
    & skf18("5","6","7","3","4","4","1") = "6"
    & skf18("5","6","7","3","4","5","1") = "6"
    & skf18("5","6","7","3","4","6","1") = "6"
    & skf18("5","6","7","3","4","7","1") = "6"
    & skf18("5","6","7","3","4","8","1") = "7"
    & skf18("5","6","7","3","4","9","1") = "8"
    & skf18("5","6","7","3","4","10","1") = "9"
    & skf18("5","6","7","3","5","1","1") = "6"
    & skf18("5","6","7","3","5","2","1") = "6"
    & skf18("5","6","7","3","5","3","1") = "6"
    & skf18("5","6","7","3","5","4","1") = "6"
    & skf18("5","6","7","3","5","5","1") = "6"
    & skf18("5","6","7","3","5","6","1") = "6"
    & skf18("5","6","7","3","5","7","1") = "6"
    & skf18("5","6","7","3","5","8","1") = "7"
    & skf18("5","6","7","3","5","9","1") = "8"
    & skf18("5","6","7","3","5","10","1") = "9"
    & skf18("5","6","7","3","6","1","1") = "6"
    & skf18("5","6","7","3","6","2","1") = "6"
    & skf18("5","6","7","3","6","3","1") = "6"
    & skf18("5","6","7","3","6","4","1") = "6"
    & skf18("5","6","7","3","6","5","1") = "6"
    & skf18("5","6","7","3","6","6","1") = "6"
    & skf18("5","6","7","3","6","7","1") = "6"
    & skf18("5","6","7","3","6","8","1") = "7"
    & skf18("5","6","7","3","6","9","1") = "8"
    & skf18("5","6","7","3","6","10","1") = "9"
    & skf18("5","6","7","3","7","1","1") = "6"
    & skf18("5","6","7","3","7","2","1") = "6"
    & skf18("5","6","7","3","7","3","1") = "6"
    & skf18("5","6","7","3","7","4","1") = "6"
    & skf18("5","6","7","3","7","5","1") = "6"
    & skf18("5","6","7","3","7","6","1") = "6"
    & skf18("5","6","7","3","7","7","1") = "6"
    & skf18("5","6","7","3","7","8","1") = "7"
    & skf18("5","6","7","3","7","9","1") = "8"
    & skf18("5","6","7","3","7","10","1") = "9"
    & skf18("5","6","7","3","8","1","1") = "7"
    & skf18("5","6","7","3","8","2","1") = "7"
    & skf18("5","6","7","3","8","3","1") = "7"
    & skf18("5","6","7","3","8","4","1") = "7"
    & skf18("5","6","7","3","8","5","1") = "7"
    & skf18("5","6","7","3","8","6","1") = "7"
    & skf18("5","6","7","3","8","7","1") = "7"
    & skf18("5","6","7","3","8","8","1") = "7"
    & skf18("5","6","7","3","8","9","1") = "8"
    & skf18("5","6","7","3","8","10","1") = "9"
    & skf18("5","6","7","3","9","1","1") = "8"
    & skf18("5","6","7","3","9","2","1") = "8"
    & skf18("5","6","7","3","9","3","1") = "8"
    & skf18("5","6","7","3","9","4","1") = "8"
    & skf18("5","6","7","3","9","5","1") = "8"
    & skf18("5","6","7","3","9","6","1") = "8"
    & skf18("5","6","7","3","9","7","1") = "8"
    & skf18("5","6","7","3","9","8","1") = "8"
    & skf18("5","6","7","3","9","9","1") = "8"
    & skf18("5","6","7","3","9","10","1") = "9"
    & skf18("5","6","7","3","10","1","1") = "9"
    & skf18("5","6","7","3","10","2","1") = "9"
    & skf18("5","6","7","3","10","3","1") = "9"
    & skf18("5","6","7","3","10","4","1") = "9"
    & skf18("5","6","7","3","10","5","1") = "9"
    & skf18("5","6","7","3","10","6","1") = "9"
    & skf18("5","6","7","3","10","7","1") = "9"
    & skf18("5","6","7","3","10","8","1") = "9"
    & skf18("5","6","7","3","10","9","1") = "9"
    & skf18("5","6","7","3","10","10","1") = "9"
    & skf18("5","6","7","4","1","1","1") = "6"
    & skf18("5","6","7","4","1","2","1") = "6"
    & skf18("5","6","7","4","1","3","1") = "6"
    & skf18("5","6","7","4","1","4","1") = "6"
    & skf18("5","6","7","4","1","5","1") = "6"
    & skf18("5","6","7","4","1","6","1") = "6"
    & skf18("5","6","7","4","1","7","1") = "6"
    & skf18("5","6","7","4","1","8","1") = "7"
    & skf18("5","6","7","4","1","9","1") = "8"
    & skf18("5","6","7","4","1","10","1") = "9"
    & skf18("5","6","7","4","2","1","1") = "6"
    & skf18("5","6","7","4","2","2","1") = "6"
    & skf18("5","6","7","4","2","3","1") = "6"
    & skf18("5","6","7","4","2","4","1") = "6"
    & skf18("5","6","7","4","2","5","1") = "6"
    & skf18("5","6","7","4","2","6","1") = "6"
    & skf18("5","6","7","4","2","7","1") = "6"
    & skf18("5","6","7","4","2","8","1") = "7"
    & skf18("5","6","7","4","2","9","1") = "8"
    & skf18("5","6","7","4","2","10","1") = "9"
    & skf18("5","6","7","4","3","1","1") = "6"
    & skf18("5","6","7","4","3","2","1") = "6"
    & skf18("5","6","7","4","3","3","1") = "6"
    & skf18("5","6","7","4","3","4","1") = "6"
    & skf18("5","6","7","4","3","5","1") = "6"
    & skf18("5","6","7","4","3","6","1") = "6"
    & skf18("5","6","7","4","3","7","1") = "6"
    & skf18("5","6","7","4","3","8","1") = "7"
    & skf18("5","6","7","4","3","9","1") = "8"
    & skf18("5","6","7","4","3","10","1") = "9"
    & skf18("5","6","7","4","4","1","1") = "6"
    & skf18("5","6","7","4","4","2","1") = "6"
    & skf18("5","6","7","4","4","3","1") = "6"
    & skf18("5","6","7","4","4","4","1") = "6"
    & skf18("5","6","7","4","4","5","1") = "6"
    & skf18("5","6","7","4","4","6","1") = "6"
    & skf18("5","6","7","4","4","7","1") = "6"
    & skf18("5","6","7","4","4","8","1") = "7"
    & skf18("5","6","7","4","4","9","1") = "8"
    & skf18("5","6","7","4","4","10","1") = "9"
    & skf18("5","6","7","4","5","1","1") = "6"
    & skf18("5","6","7","4","5","2","1") = "6"
    & skf18("5","6","7","4","5","3","1") = "6"
    & skf18("5","6","7","4","5","4","1") = "6"
    & skf18("5","6","7","4","5","5","1") = "6"
    & skf18("5","6","7","4","5","6","1") = "6"
    & skf18("5","6","7","4","5","7","1") = "6"
    & skf18("5","6","7","4","5","8","1") = "7"
    & skf18("5","6","7","4","5","9","1") = "8"
    & skf18("5","6","7","4","5","10","1") = "9"
    & skf18("5","6","7","4","6","1","1") = "6"
    & skf18("5","6","7","4","6","2","1") = "6"
    & skf18("5","6","7","4","6","3","1") = "6"
    & skf18("5","6","7","4","6","4","1") = "6"
    & skf18("5","6","7","4","6","5","1") = "6"
    & skf18("5","6","7","4","6","6","1") = "6"
    & skf18("5","6","7","4","6","7","1") = "6"
    & skf18("5","6","7","4","6","8","1") = "7"
    & skf18("5","6","7","4","6","9","1") = "8"
    & skf18("5","6","7","4","6","10","1") = "9"
    & skf18("5","6","7","4","7","1","1") = "6"
    & skf18("5","6","7","4","7","2","1") = "6"
    & skf18("5","6","7","4","7","3","1") = "6"
    & skf18("5","6","7","4","7","4","1") = "6"
    & skf18("5","6","7","4","7","5","1") = "6"
    & skf18("5","6","7","4","7","6","1") = "6"
    & skf18("5","6","7","4","7","7","1") = "6"
    & skf18("5","6","7","4","7","8","1") = "7"
    & skf18("5","6","7","4","7","9","1") = "8"
    & skf18("5","6","7","4","7","10","1") = "9"
    & skf18("5","6","7","4","8","1","1") = "7"
    & skf18("5","6","7","4","8","2","1") = "7"
    & skf18("5","6","7","4","8","3","1") = "7"
    & skf18("5","6","7","4","8","4","1") = "7"
    & skf18("5","6","7","4","8","5","1") = "7"
    & skf18("5","6","7","4","8","6","1") = "7"
    & skf18("5","6","7","4","8","7","1") = "7"
    & skf18("5","6","7","4","8","8","1") = "7"
    & skf18("5","6","7","4","8","9","1") = "8"
    & skf18("5","6","7","4","8","10","1") = "9"
    & skf18("5","6","7","4","9","1","1") = "8"
    & skf18("5","6","7","4","9","2","1") = "8"
    & skf18("5","6","7","4","9","3","1") = "8"
    & skf18("5","6","7","4","9","4","1") = "8"
    & skf18("5","6","7","4","9","5","1") = "8"
    & skf18("5","6","7","4","9","6","1") = "8"
    & skf18("5","6","7","4","9","7","1") = "8"
    & skf18("5","6","7","4","9","8","1") = "8"
    & skf18("5","6","7","4","9","9","1") = "8"
    & skf18("5","6","7","4","9","10","1") = "9"
    & skf18("5","6","7","4","10","1","1") = "9"
    & skf18("5","6","7","4","10","2","1") = "9"
    & skf18("5","6","7","4","10","3","1") = "9"
    & skf18("5","6","7","4","10","4","1") = "9"
    & skf18("5","6","7","4","10","5","1") = "9"
    & skf18("5","6","7","4","10","6","1") = "9"
    & skf18("5","6","7","4","10","7","1") = "9"
    & skf18("5","6","7","4","10","8","1") = "9"
    & skf18("5","6","7","4","10","9","1") = "9"
    & skf18("5","6","7","4","10","10","1") = "9"
    & skf18("5","6","7","5","1","1","1") = "6"
    & skf18("5","6","7","5","1","2","1") = "6"
    & skf18("5","6","7","5","1","3","1") = "6"
    & skf18("5","6","7","5","1","4","1") = "6"
    & skf18("5","6","7","5","1","5","1") = "6"
    & skf18("5","6","7","5","1","6","1") = "6"
    & skf18("5","6","7","5","1","7","1") = "6"
    & skf18("5","6","7","5","1","8","1") = "7"
    & skf18("5","6","7","5","1","9","1") = "8"
    & skf18("5","6","7","5","1","10","1") = "9"
    & skf18("5","6","7","5","2","1","1") = "6"
    & skf18("5","6","7","5","2","2","1") = "6"
    & skf18("5","6","7","5","2","3","1") = "6"
    & skf18("5","6","7","5","2","4","1") = "6"
    & skf18("5","6","7","5","2","5","1") = "6"
    & skf18("5","6","7","5","2","6","1") = "6"
    & skf18("5","6","7","5","2","7","1") = "6"
    & skf18("5","6","7","5","2","8","1") = "7"
    & skf18("5","6","7","5","2","9","1") = "8"
    & skf18("5","6","7","5","2","10","1") = "9"
    & skf18("5","6","7","5","3","1","1") = "6"
    & skf18("5","6","7","5","3","2","1") = "6"
    & skf18("5","6","7","5","3","3","1") = "6"
    & skf18("5","6","7","5","3","4","1") = "6"
    & skf18("5","6","7","5","3","5","1") = "6"
    & skf18("5","6","7","5","3","6","1") = "6"
    & skf18("5","6","7","5","3","7","1") = "6"
    & skf18("5","6","7","5","3","8","1") = "7"
    & skf18("5","6","7","5","3","9","1") = "8"
    & skf18("5","6","7","5","3","10","1") = "9"
    & skf18("5","6","7","5","4","1","1") = "6"
    & skf18("5","6","7","5","4","2","1") = "6"
    & skf18("5","6","7","5","4","3","1") = "6"
    & skf18("5","6","7","5","4","4","1") = "6"
    & skf18("5","6","7","5","4","5","1") = "6"
    & skf18("5","6","7","5","4","6","1") = "6"
    & skf18("5","6","7","5","4","7","1") = "6"
    & skf18("5","6","7","5","4","8","1") = "7"
    & skf18("5","6","7","5","4","9","1") = "8"
    & skf18("5","6","7","5","4","10","1") = "9"
    & skf18("5","6","7","5","5","1","1") = "6"
    & skf18("5","6","7","5","5","2","1") = "6"
    & skf18("5","6","7","5","5","3","1") = "6"
    & skf18("5","6","7","5","5","4","1") = "6"
    & skf18("5","6","7","5","5","5","1") = "6"
    & skf18("5","6","7","5","5","6","1") = "6"
    & skf18("5","6","7","5","5","7","1") = "6"
    & skf18("5","6","7","5","5","8","1") = "7"
    & skf18("5","6","7","5","5","9","1") = "8"
    & skf18("5","6","7","5","5","10","1") = "9"
    & skf18("5","6","7","5","6","1","1") = "6"
    & skf18("5","6","7","5","6","2","1") = "6"
    & skf18("5","6","7","5","6","3","1") = "6"
    & skf18("5","6","7","5","6","4","1") = "6"
    & skf18("5","6","7","5","6","5","1") = "6"
    & skf18("5","6","7","5","6","6","1") = "6"
    & skf18("5","6","7","5","6","7","1") = "6"
    & skf18("5","6","7","5","6","8","1") = "7"
    & skf18("5","6","7","5","6","9","1") = "8"
    & skf18("5","6","7","5","6","10","1") = "9"
    & skf18("5","6","7","5","7","1","1") = "6"
    & skf18("5","6","7","5","7","2","1") = "6"
    & skf18("5","6","7","5","7","3","1") = "6"
    & skf18("5","6","7","5","7","4","1") = "6"
    & skf18("5","6","7","5","7","5","1") = "6"
    & skf18("5","6","7","5","7","6","1") = "6"
    & skf18("5","6","7","5","7","7","1") = "6"
    & skf18("5","6","7","5","7","8","1") = "7"
    & skf18("5","6","7","5","7","9","1") = "8"
    & skf18("5","6","7","5","7","10","1") = "9"
    & skf18("5","6","7","5","8","1","1") = "7"
    & skf18("5","6","7","5","8","2","1") = "7"
    & skf18("5","6","7","5","8","3","1") = "7"
    & skf18("5","6","7","5","8","4","1") = "7"
    & skf18("5","6","7","5","8","5","1") = "7"
    & skf18("5","6","7","5","8","6","1") = "7"
    & skf18("5","6","7","5","8","7","1") = "7"
    & skf18("5","6","7","5","8","8","1") = "7"
    & skf18("5","6","7","5","8","9","1") = "8"
    & skf18("5","6","7","5","8","10","1") = "9"
    & skf18("5","6","7","5","9","1","1") = "8"
    & skf18("5","6","7","5","9","2","1") = "8"
    & skf18("5","6","7","5","9","3","1") = "8"
    & skf18("5","6","7","5","9","4","1") = "8"
    & skf18("5","6","7","5","9","5","1") = "8"
    & skf18("5","6","7","5","9","6","1") = "8"
    & skf18("5","6","7","5","9","7","1") = "8"
    & skf18("5","6","7","5","9","8","1") = "8"
    & skf18("5","6","7","5","9","9","1") = "8"
    & skf18("5","6","7","5","9","10","1") = "9"
    & skf18("5","6","7","5","10","1","1") = "9"
    & skf18("5","6","7","5","10","2","1") = "9"
    & skf18("5","6","7","5","10","3","1") = "9"
    & skf18("5","6","7","5","10","4","1") = "9"
    & skf18("5","6","7","5","10","5","1") = "9"
    & skf18("5","6","7","5","10","6","1") = "9"
    & skf18("5","6","7","5","10","7","1") = "9"
    & skf18("5","6","7","5","10","8","1") = "9"
    & skf18("5","6","7","5","10","9","1") = "9"
    & skf18("5","6","7","5","10","10","1") = "9"
    & skf18("5","6","7","6","1","1","1") = "6"
    & skf18("5","6","7","6","1","2","1") = "6"
    & skf18("5","6","7","6","1","3","1") = "6"
    & skf18("5","6","7","6","1","4","1") = "6"
    & skf18("5","6","7","6","1","5","1") = "6"
    & skf18("5","6","7","6","1","6","1") = "6"
    & skf18("5","6","7","6","1","7","1") = "6"
    & skf18("5","6","7","6","1","8","1") = "7"
    & skf18("5","6","7","6","1","9","1") = "8"
    & skf18("5","6","7","6","1","10","1") = "9"
    & skf18("5","6","7","6","2","1","1") = "6"
    & skf18("5","6","7","6","2","2","1") = "6"
    & skf18("5","6","7","6","2","3","1") = "6"
    & skf18("5","6","7","6","2","4","1") = "6"
    & skf18("5","6","7","6","2","5","1") = "6"
    & skf18("5","6","7","6","2","6","1") = "6"
    & skf18("5","6","7","6","2","7","1") = "6"
    & skf18("5","6","7","6","2","8","1") = "7"
    & skf18("5","6","7","6","2","9","1") = "8"
    & skf18("5","6","7","6","2","10","1") = "9"
    & skf18("5","6","7","6","3","1","1") = "6"
    & skf18("5","6","7","6","3","2","1") = "6"
    & skf18("5","6","7","6","3","3","1") = "6"
    & skf18("5","6","7","6","3","4","1") = "6"
    & skf18("5","6","7","6","3","5","1") = "6"
    & skf18("5","6","7","6","3","6","1") = "6"
    & skf18("5","6","7","6","3","7","1") = "6"
    & skf18("5","6","7","6","3","8","1") = "7"
    & skf18("5","6","7","6","3","9","1") = "8"
    & skf18("5","6","7","6","3","10","1") = "9"
    & skf18("5","6","7","6","4","1","1") = "6"
    & skf18("5","6","7","6","4","2","1") = "6"
    & skf18("5","6","7","6","4","3","1") = "6"
    & skf18("5","6","7","6","4","4","1") = "6"
    & skf18("5","6","7","6","4","5","1") = "6"
    & skf18("5","6","7","6","4","6","1") = "6"
    & skf18("5","6","7","6","4","7","1") = "6"
    & skf18("5","6","7","6","4","8","1") = "7"
    & skf18("5","6","7","6","4","9","1") = "8"
    & skf18("5","6","7","6","4","10","1") = "9"
    & skf18("5","6","7","6","5","1","1") = "6"
    & skf18("5","6","7","6","5","2","1") = "6"
    & skf18("5","6","7","6","5","3","1") = "6"
    & skf18("5","6","7","6","5","4","1") = "6"
    & skf18("5","6","7","6","5","5","1") = "6"
    & skf18("5","6","7","6","5","6","1") = "6"
    & skf18("5","6","7","6","5","7","1") = "6"
    & skf18("5","6","7","6","5","8","1") = "7"
    & skf18("5","6","7","6","5","9","1") = "8"
    & skf18("5","6","7","6","5","10","1") = "9"
    & skf18("5","6","7","6","6","1","1") = "6"
    & skf18("5","6","7","6","6","2","1") = "6"
    & skf18("5","6","7","6","6","3","1") = "6"
    & skf18("5","6","7","6","6","4","1") = "6"
    & skf18("5","6","7","6","6","5","1") = "6"
    & skf18("5","6","7","6","6","6","1") = "6"
    & skf18("5","6","7","6","6","7","1") = "6"
    & skf18("5","6","7","6","6","8","1") = "7"
    & skf18("5","6","7","6","6","9","1") = "8"
    & skf18("5","6","7","6","6","10","1") = "9"
    & skf18("5","6","7","6","7","1","1") = "6"
    & skf18("5","6","7","6","7","2","1") = "6"
    & skf18("5","6","7","6","7","3","1") = "6"
    & skf18("5","6","7","6","7","4","1") = "6"
    & skf18("5","6","7","6","7","5","1") = "6"
    & skf18("5","6","7","6","7","6","1") = "6"
    & skf18("5","6","7","6","7","7","1") = "6"
    & skf18("5","6","7","6","7","8","1") = "7"
    & skf18("5","6","7","6","7","9","1") = "8"
    & skf18("5","6","7","6","7","10","1") = "9"
    & skf18("5","6","7","6","8","1","1") = "7"
    & skf18("5","6","7","6","8","2","1") = "7"
    & skf18("5","6","7","6","8","3","1") = "7"
    & skf18("5","6","7","6","8","4","1") = "7"
    & skf18("5","6","7","6","8","5","1") = "7"
    & skf18("5","6","7","6","8","6","1") = "7"
    & skf18("5","6","7","6","8","7","1") = "7"
    & skf18("5","6","7","6","8","8","1") = "7"
    & skf18("5","6","7","6","8","9","1") = "8"
    & skf18("5","6","7","6","8","10","1") = "9"
    & skf18("5","6","7","6","9","1","1") = "8"
    & skf18("5","6","7","6","9","2","1") = "8"
    & skf18("5","6","7","6","9","3","1") = "8"
    & skf18("5","6","7","6","9","4","1") = "8"
    & skf18("5","6","7","6","9","5","1") = "8"
    & skf18("5","6","7","6","9","6","1") = "8"
    & skf18("5","6","7","6","9","7","1") = "8"
    & skf18("5","6","7","6","9","8","1") = "8"
    & skf18("5","6","7","6","9","9","1") = "8"
    & skf18("5","6","7","6","9","10","1") = "9"
    & skf18("5","6","7","6","10","1","1") = "9"
    & skf18("5","6","7","6","10","2","1") = "9"
    & skf18("5","6","7","6","10","3","1") = "9"
    & skf18("5","6","7","6","10","4","1") = "9"
    & skf18("5","6","7","6","10","5","1") = "9"
    & skf18("5","6","7","6","10","6","1") = "9"
    & skf18("5","6","7","6","10","7","1") = "9"
    & skf18("5","6","7","6","10","8","1") = "9"
    & skf18("5","6","7","6","10","9","1") = "9"
    & skf18("5","6","7","6","10","10","1") = "9"
    & skf18("5","6","7","7","1","1","1") = "6"
    & skf18("5","6","7","7","1","2","1") = "6"
    & skf18("5","6","7","7","1","3","1") = "6"
    & skf18("5","6","7","7","1","4","1") = "6"
    & skf18("5","6","7","7","1","5","1") = "6"
    & skf18("5","6","7","7","1","6","1") = "6"
    & skf18("5","6","7","7","1","7","1") = "6"
    & skf18("5","6","7","7","1","8","1") = "7"
    & skf18("5","6","7","7","1","9","1") = "8"
    & skf18("5","6","7","7","1","10","1") = "9"
    & skf18("5","6","7","7","2","1","1") = "6"
    & skf18("5","6","7","7","2","2","1") = "6"
    & skf18("5","6","7","7","2","3","1") = "6"
    & skf18("5","6","7","7","2","4","1") = "6"
    & skf18("5","6","7","7","2","5","1") = "6"
    & skf18("5","6","7","7","2","6","1") = "6"
    & skf18("5","6","7","7","2","7","1") = "6"
    & skf18("5","6","7","7","2","8","1") = "7"
    & skf18("5","6","7","7","2","9","1") = "8"
    & skf18("5","6","7","7","2","10","1") = "9"
    & skf18("5","6","7","7","3","1","1") = "6"
    & skf18("5","6","7","7","3","2","1") = "6"
    & skf18("5","6","7","7","3","3","1") = "6"
    & skf18("5","6","7","7","3","4","1") = "6"
    & skf18("5","6","7","7","3","5","1") = "6"
    & skf18("5","6","7","7","3","6","1") = "6"
    & skf18("5","6","7","7","3","7","1") = "6"
    & skf18("5","6","7","7","3","8","1") = "7"
    & skf18("5","6","7","7","3","9","1") = "8"
    & skf18("5","6","7","7","3","10","1") = "9"
    & skf18("5","6","7","7","4","1","1") = "6"
    & skf18("5","6","7","7","4","2","1") = "6"
    & skf18("5","6","7","7","4","3","1") = "6"
    & skf18("5","6","7","7","4","4","1") = "6"
    & skf18("5","6","7","7","4","5","1") = "6"
    & skf18("5","6","7","7","4","6","1") = "6"
    & skf18("5","6","7","7","4","7","1") = "6"
    & skf18("5","6","7","7","4","8","1") = "7"
    & skf18("5","6","7","7","4","9","1") = "8"
    & skf18("5","6","7","7","4","10","1") = "9"
    & skf18("5","6","7","7","5","1","1") = "6"
    & skf18("5","6","7","7","5","2","1") = "6"
    & skf18("5","6","7","7","5","3","1") = "6"
    & skf18("5","6","7","7","5","4","1") = "6"
    & skf18("5","6","7","7","5","5","1") = "6"
    & skf18("5","6","7","7","5","6","1") = "6"
    & skf18("5","6","7","7","5","7","1") = "6"
    & skf18("5","6","7","7","5","8","1") = "7"
    & skf18("5","6","7","7","5","9","1") = "8"
    & skf18("5","6","7","7","5","10","1") = "9"
    & skf18("5","6","7","7","6","1","1") = "6"
    & skf18("5","6","7","7","6","2","1") = "6"
    & skf18("5","6","7","7","6","3","1") = "6"
    & skf18("5","6","7","7","6","4","1") = "6"
    & skf18("5","6","7","7","6","5","1") = "6"
    & skf18("5","6","7","7","6","6","1") = "6"
    & skf18("5","6","7","7","6","7","1") = "6"
    & skf18("5","6","7","7","6","8","1") = "7"
    & skf18("5","6","7","7","6","9","1") = "8"
    & skf18("5","6","7","7","6","10","1") = "9"
    & skf18("5","6","7","7","7","1","1") = "6"
    & skf18("5","6","7","7","7","2","1") = "6"
    & skf18("5","6","7","7","7","3","1") = "6"
    & skf18("5","6","7","7","7","4","1") = "6"
    & skf18("5","6","7","7","7","5","1") = "6"
    & skf18("5","6","7","7","7","6","1") = "6"
    & skf18("5","6","7","7","7","7","1") = "6"
    & skf18("5","6","7","7","7","8","1") = "7"
    & skf18("5","6","7","7","7","9","1") = "8"
    & skf18("5","6","7","7","7","10","1") = "9"
    & skf18("5","6","7","7","8","1","1") = "7"
    & skf18("5","6","7","7","8","2","1") = "7"
    & skf18("5","6","7","7","8","3","1") = "7"
    & skf18("5","6","7","7","8","4","1") = "7"
    & skf18("5","6","7","7","8","5","1") = "7"
    & skf18("5","6","7","7","8","6","1") = "7"
    & skf18("5","6","7","7","8","7","1") = "7"
    & skf18("5","6","7","7","8","8","1") = "7"
    & skf18("5","6","7","7","8","9","1") = "8"
    & skf18("5","6","7","7","8","10","1") = "9"
    & skf18("5","6","7","7","9","1","1") = "8"
    & skf18("5","6","7","7","9","2","1") = "8"
    & skf18("5","6","7","7","9","3","1") = "8"
    & skf18("5","6","7","7","9","4","1") = "8"
    & skf18("5","6","7","7","9","5","1") = "8"
    & skf18("5","6","7","7","9","6","1") = "8"
    & skf18("5","6","7","7","9","7","1") = "8"
    & skf18("5","6","7","7","9","8","1") = "8"
    & skf18("5","6","7","7","9","9","1") = "8"
    & skf18("5","6","7","7","9","10","1") = "9"
    & skf18("5","6","7","7","10","1","1") = "9"
    & skf18("5","6","7","7","10","2","1") = "9"
    & skf18("5","6","7","7","10","3","1") = "9"
    & skf18("5","6","7","7","10","4","1") = "9"
    & skf18("5","6","7","7","10","5","1") = "9"
    & skf18("5","6","7","7","10","6","1") = "9"
    & skf18("5","6","7","7","10","7","1") = "9"
    & skf18("5","6","7","7","10","8","1") = "9"
    & skf18("5","6","7","7","10","9","1") = "9"
    & skf18("5","6","7","7","10","10","1") = "9"
    & skf18("5","6","7","8","1","1","1") = "7"
    & skf18("5","6","7","8","1","2","1") = "7"
    & skf18("5","6","7","8","1","3","1") = "7"
    & skf18("5","6","7","8","1","4","1") = "7"
    & skf18("5","6","7","8","1","5","1") = "7"
    & skf18("5","6","7","8","1","6","1") = "7"
    & skf18("5","6","7","8","1","7","1") = "7"
    & skf18("5","6","7","8","1","8","1") = "7"
    & skf18("5","6","7","8","1","9","1") = "8"
    & skf18("5","6","7","8","1","10","1") = "9"
    & skf18("5","6","7","8","2","1","1") = "7"
    & skf18("5","6","7","8","2","2","1") = "7"
    & skf18("5","6","7","8","2","3","1") = "7"
    & skf18("5","6","7","8","2","4","1") = "7"
    & skf18("5","6","7","8","2","5","1") = "7"
    & skf18("5","6","7","8","2","6","1") = "7"
    & skf18("5","6","7","8","2","7","1") = "7"
    & skf18("5","6","7","8","2","8","1") = "7"
    & skf18("5","6","7","8","2","9","1") = "8"
    & skf18("5","6","7","8","2","10","1") = "9"
    & skf18("5","6","7","8","3","1","1") = "7"
    & skf18("5","6","7","8","3","2","1") = "7"
    & skf18("5","6","7","8","3","3","1") = "7"
    & skf18("5","6","7","8","3","4","1") = "7"
    & skf18("5","6","7","8","3","5","1") = "7"
    & skf18("5","6","7","8","3","6","1") = "7"
    & skf18("5","6","7","8","3","7","1") = "7"
    & skf18("5","6","7","8","3","8","1") = "7"
    & skf18("5","6","7","8","3","9","1") = "8"
    & skf18("5","6","7","8","3","10","1") = "9"
    & skf18("5","6","7","8","4","1","1") = "7"
    & skf18("5","6","7","8","4","2","1") = "7"
    & skf18("5","6","7","8","4","3","1") = "7"
    & skf18("5","6","7","8","4","4","1") = "7"
    & skf18("5","6","7","8","4","5","1") = "7"
    & skf18("5","6","7","8","4","6","1") = "7"
    & skf18("5","6","7","8","4","7","1") = "7"
    & skf18("5","6","7","8","4","8","1") = "7"
    & skf18("5","6","7","8","4","9","1") = "8"
    & skf18("5","6","7","8","4","10","1") = "9"
    & skf18("5","6","7","8","5","1","1") = "7"
    & skf18("5","6","7","8","5","2","1") = "7"
    & skf18("5","6","7","8","5","3","1") = "7"
    & skf18("5","6","7","8","5","4","1") = "7"
    & skf18("5","6","7","8","5","5","1") = "7"
    & skf18("5","6","7","8","5","6","1") = "7"
    & skf18("5","6","7","8","5","7","1") = "7"
    & skf18("5","6","7","8","5","8","1") = "7"
    & skf18("5","6","7","8","5","9","1") = "8"
    & skf18("5","6","7","8","5","10","1") = "9"
    & skf18("5","6","7","8","6","1","1") = "7"
    & skf18("5","6","7","8","6","2","1") = "7"
    & skf18("5","6","7","8","6","3","1") = "7"
    & skf18("5","6","7","8","6","4","1") = "7"
    & skf18("5","6","7","8","6","5","1") = "7"
    & skf18("5","6","7","8","6","6","1") = "7"
    & skf18("5","6","7","8","6","7","1") = "7"
    & skf18("5","6","7","8","6","8","1") = "7"
    & skf18("5","6","7","8","6","9","1") = "8"
    & skf18("5","6","7","8","6","10","1") = "9"
    & skf18("5","6","7","8","7","1","1") = "7"
    & skf18("5","6","7","8","7","2","1") = "7"
    & skf18("5","6","7","8","7","3","1") = "7"
    & skf18("5","6","7","8","7","4","1") = "7"
    & skf18("5","6","7","8","7","5","1") = "7"
    & skf18("5","6","7","8","7","6","1") = "7"
    & skf18("5","6","7","8","7","7","1") = "7"
    & skf18("5","6","7","8","7","8","1") = "7"
    & skf18("5","6","7","8","7","9","1") = "8"
    & skf18("5","6","7","8","7","10","1") = "9"
    & skf18("5","6","7","8","8","1","1") = "7"
    & skf18("5","6","7","8","8","2","1") = "7"
    & skf18("5","6","7","8","8","3","1") = "7"
    & skf18("5","6","7","8","8","4","1") = "7"
    & skf18("5","6","7","8","8","5","1") = "7"
    & skf18("5","6","7","8","8","6","1") = "7"
    & skf18("5","6","7","8","8","7","1") = "7"
    & skf18("5","6","7","8","8","8","1") = "7"
    & skf18("5","6","7","8","8","9","1") = "8"
    & skf18("5","6","7","8","8","10","1") = "9"
    & skf18("5","6","7","8","9","1","1") = "8"
    & skf18("5","6","7","8","9","2","1") = "8"
    & skf18("5","6","7","8","9","3","1") = "8"
    & skf18("5","6","7","8","9","4","1") = "8"
    & skf18("5","6","7","8","9","5","1") = "8"
    & skf18("5","6","7","8","9","6","1") = "8"
    & skf18("5","6","7","8","9","7","1") = "8"
    & skf18("5","6","7","8","9","8","1") = "8"
    & skf18("5","6","7","8","9","9","1") = "8"
    & skf18("5","6","7","8","9","10","1") = "9"
    & skf18("5","6","7","8","10","1","1") = "9"
    & skf18("5","6","7","8","10","2","1") = "9"
    & skf18("5","6","7","8","10","3","1") = "9"
    & skf18("5","6","7","8","10","4","1") = "9"
    & skf18("5","6","7","8","10","5","1") = "9"
    & skf18("5","6","7","8","10","6","1") = "9"
    & skf18("5","6","7","8","10","7","1") = "9"
    & skf18("5","6","7","8","10","8","1") = "9"
    & skf18("5","6","7","8","10","9","1") = "9"
    & skf18("5","6","7","8","10","10","1") = "9"
    & skf18("5","6","7","9","1","1","1") = "8"
    & skf18("5","6","7","9","1","2","1") = "8"
    & skf18("5","6","7","9","1","3","1") = "8"
    & skf18("5","6","7","9","1","4","1") = "8"
    & skf18("5","6","7","9","1","5","1") = "8"
    & skf18("5","6","7","9","1","6","1") = "8"
    & skf18("5","6","7","9","1","7","1") = "8"
    & skf18("5","6","7","9","1","8","1") = "8"
    & skf18("5","6","7","9","1","9","1") = "8"
    & skf18("5","6","7","9","1","10","1") = "9"
    & skf18("5","6","7","9","2","1","1") = "8"
    & skf18("5","6","7","9","2","2","1") = "8"
    & skf18("5","6","7","9","2","3","1") = "8"
    & skf18("5","6","7","9","2","4","1") = "8"
    & skf18("5","6","7","9","2","5","1") = "8"
    & skf18("5","6","7","9","2","6","1") = "8"
    & skf18("5","6","7","9","2","7","1") = "8"
    & skf18("5","6","7","9","2","8","1") = "8"
    & skf18("5","6","7","9","2","9","1") = "8"
    & skf18("5","6","7","9","2","10","1") = "9"
    & skf18("5","6","7","9","3","1","1") = "8"
    & skf18("5","6","7","9","3","2","1") = "8"
    & skf18("5","6","7","9","3","3","1") = "8"
    & skf18("5","6","7","9","3","4","1") = "8"
    & skf18("5","6","7","9","3","5","1") = "8"
    & skf18("5","6","7","9","3","6","1") = "8"
    & skf18("5","6","7","9","3","7","1") = "8"
    & skf18("5","6","7","9","3","8","1") = "8"
    & skf18("5","6","7","9","3","9","1") = "8"
    & skf18("5","6","7","9","3","10","1") = "9"
    & skf18("5","6","7","9","4","1","1") = "8"
    & skf18("5","6","7","9","4","2","1") = "8"
    & skf18("5","6","7","9","4","3","1") = "8"
    & skf18("5","6","7","9","4","4","1") = "8"
    & skf18("5","6","7","9","4","5","1") = "8"
    & skf18("5","6","7","9","4","6","1") = "8"
    & skf18("5","6","7","9","4","7","1") = "8"
    & skf18("5","6","7","9","4","8","1") = "8"
    & skf18("5","6","7","9","4","9","1") = "8"
    & skf18("5","6","7","9","4","10","1") = "9"
    & skf18("5","6","7","9","5","1","1") = "8"
    & skf18("5","6","7","9","5","2","1") = "8"
    & skf18("5","6","7","9","5","3","1") = "8"
    & skf18("5","6","7","9","5","4","1") = "8"
    & skf18("5","6","7","9","5","5","1") = "8"
    & skf18("5","6","7","9","5","6","1") = "8"
    & skf18("5","6","7","9","5","7","1") = "8"
    & skf18("5","6","7","9","5","8","1") = "8"
    & skf18("5","6","7","9","5","9","1") = "8"
    & skf18("5","6","7","9","5","10","1") = "9"
    & skf18("5","6","7","9","6","1","1") = "8"
    & skf18("5","6","7","9","6","2","1") = "8"
    & skf18("5","6","7","9","6","3","1") = "8"
    & skf18("5","6","7","9","6","4","1") = "8"
    & skf18("5","6","7","9","6","5","1") = "8"
    & skf18("5","6","7","9","6","6","1") = "8"
    & skf18("5","6","7","9","6","7","1") = "8"
    & skf18("5","6","7","9","6","8","1") = "8"
    & skf18("5","6","7","9","6","9","1") = "8"
    & skf18("5","6","7","9","6","10","1") = "9"
    & skf18("5","6","7","9","7","1","1") = "8"
    & skf18("5","6","7","9","7","2","1") = "8"
    & skf18("5","6","7","9","7","3","1") = "8"
    & skf18("5","6","7","9","7","4","1") = "8"
    & skf18("5","6","7","9","7","5","1") = "8"
    & skf18("5","6","7","9","7","6","1") = "8"
    & skf18("5","6","7","9","7","7","1") = "8"
    & skf18("5","6","7","9","7","8","1") = "8"
    & skf18("5","6","7","9","7","9","1") = "8"
    & skf18("5","6","7","9","7","10","1") = "9"
    & skf18("5","6","7","9","8","1","1") = "8"
    & skf18("5","6","7","9","8","2","1") = "8"
    & skf18("5","6","7","9","8","3","1") = "8"
    & skf18("5","6","7","9","8","4","1") = "8"
    & skf18("5","6","7","9","8","5","1") = "8"
    & skf18("5","6","7","9","8","6","1") = "8"
    & skf18("5","6","7","9","8","7","1") = "8"
    & skf18("5","6","7","9","8","8","1") = "8"
    & skf18("5","6","7","9","8","9","1") = "8"
    & skf18("5","6","7","9","8","10","1") = "9"
    & skf18("5","6","7","9","9","1","1") = "8"
    & skf18("5","6","7","9","9","2","1") = "8"
    & skf18("5","6","7","9","9","3","1") = "8"
    & skf18("5","6","7","9","9","4","1") = "8"
    & skf18("5","6","7","9","9","5","1") = "8"
    & skf18("5","6","7","9","9","6","1") = "8"
    & skf18("5","6","7","9","9","7","1") = "8"
    & skf18("5","6","7","9","9","8","1") = "8"
    & skf18("5","6","7","9","9","9","1") = "8"
    & skf18("5","6","7","9","9","10","1") = "9"
    & skf18("5","6","7","9","10","1","1") = "9"
    & skf18("5","6","7","9","10","2","1") = "9"
    & skf18("5","6","7","9","10","3","1") = "9"
    & skf18("5","6","7","9","10","4","1") = "9"
    & skf18("5","6","7","9","10","5","1") = "9"
    & skf18("5","6","7","9","10","6","1") = "9"
    & skf18("5","6","7","9","10","7","1") = "9"
    & skf18("5","6","7","9","10","8","1") = "9"
    & skf18("5","6","7","9","10","9","1") = "9"
    & skf18("5","6","7","9","10","10","1") = "9"
    & skf18("5","6","7","10","1","1","1") = "9"
    & skf18("5","6","7","10","1","2","1") = "9"
    & skf18("5","6","7","10","1","3","1") = "9"
    & skf18("5","6","7","10","1","4","1") = "9"
    & skf18("5","6","7","10","1","5","1") = "9"
    & skf18("5","6","7","10","1","6","1") = "9"
    & skf18("5","6","7","10","1","7","1") = "9"
    & skf18("5","6","7","10","1","8","1") = "9"
    & skf18("5","6","7","10","1","9","1") = "9"
    & skf18("5","6","7","10","1","10","1") = "9"
    & skf18("5","6","7","10","2","1","1") = "9"
    & skf18("5","6","7","10","2","2","1") = "9"
    & skf18("5","6","7","10","2","3","1") = "9"
    & skf18("5","6","7","10","2","4","1") = "9"
    & skf18("5","6","7","10","2","5","1") = "9"
    & skf18("5","6","7","10","2","6","1") = "9"
    & skf18("5","6","7","10","2","7","1") = "9"
    & skf18("5","6","7","10","2","8","1") = "9"
    & skf18("5","6","7","10","2","9","1") = "9"
    & skf18("5","6","7","10","2","10","1") = "9"
    & skf18("5","6","7","10","3","1","1") = "9"
    & skf18("5","6","7","10","3","2","1") = "9"
    & skf18("5","6","7","10","3","3","1") = "9"
    & skf18("5","6","7","10","3","4","1") = "9"
    & skf18("5","6","7","10","3","5","1") = "9"
    & skf18("5","6","7","10","3","6","1") = "9"
    & skf18("5","6","7","10","3","7","1") = "9"
    & skf18("5","6","7","10","3","8","1") = "9"
    & skf18("5","6","7","10","3","9","1") = "9"
    & skf18("5","6","7","10","3","10","1") = "9"
    & skf18("5","6","7","10","4","1","1") = "9"
    & skf18("5","6","7","10","4","2","1") = "9"
    & skf18("5","6","7","10","4","3","1") = "9"
    & skf18("5","6","7","10","4","4","1") = "9"
    & skf18("5","6","7","10","4","5","1") = "9"
    & skf18("5","6","7","10","4","6","1") = "9"
    & skf18("5","6","7","10","4","7","1") = "9"
    & skf18("5","6","7","10","4","8","1") = "9"
    & skf18("5","6","7","10","4","9","1") = "9"
    & skf18("5","6","7","10","4","10","1") = "9"
    & skf18("5","6","7","10","5","1","1") = "9"
    & skf18("5","6","7","10","5","2","1") = "9"
    & skf18("5","6","7","10","5","3","1") = "9"
    & skf18("5","6","7","10","5","4","1") = "9"
    & skf18("5","6","7","10","5","5","1") = "9"
    & skf18("5","6","7","10","5","6","1") = "9"
    & skf18("5","6","7","10","5","7","1") = "9"
    & skf18("5","6","7","10","5","8","1") = "9"
    & skf18("5","6","7","10","5","9","1") = "9"
    & skf18("5","6","7","10","5","10","1") = "9"
    & skf18("5","6","7","10","6","1","1") = "9"
    & skf18("5","6","7","10","6","2","1") = "9"
    & skf18("5","6","7","10","6","3","1") = "9"
    & skf18("5","6","7","10","6","4","1") = "9"
    & skf18("5","6","7","10","6","5","1") = "9"
    & skf18("5","6","7","10","6","6","1") = "9"
    & skf18("5","6","7","10","6","7","1") = "9"
    & skf18("5","6","7","10","6","8","1") = "9"
    & skf18("5","6","7","10","6","9","1") = "9"
    & skf18("5","6","7","10","6","10","1") = "9"
    & skf18("5","6","7","10","7","1","1") = "9"
    & skf18("5","6","7","10","7","2","1") = "9"
    & skf18("5","6","7","10","7","3","1") = "9"
    & skf18("5","6","7","10","7","4","1") = "9"
    & skf18("5","6","7","10","7","5","1") = "9"
    & skf18("5","6","7","10","7","6","1") = "9"
    & skf18("5","6","7","10","7","7","1") = "9"
    & skf18("5","6","7","10","7","8","1") = "9"
    & skf18("5","6","7","10","7","9","1") = "9"
    & skf18("5","6","7","10","7","10","1") = "9"
    & skf18("5","6","7","10","8","1","1") = "9"
    & skf18("5","6","7","10","8","2","1") = "9"
    & skf18("5","6","7","10","8","3","1") = "9"
    & skf18("5","6","7","10","8","4","1") = "9"
    & skf18("5","6","7","10","8","5","1") = "9"
    & skf18("5","6","7","10","8","6","1") = "9"
    & skf18("5","6","7","10","8","7","1") = "9"
    & skf18("5","6","7","10","8","8","1") = "9"
    & skf18("5","6","7","10","8","9","1") = "9"
    & skf18("5","6","7","10","8","10","1") = "9"
    & skf18("5","6","7","10","9","1","1") = "9"
    & skf18("5","6","7","10","9","2","1") = "9"
    & skf18("5","6","7","10","9","3","1") = "9"
    & skf18("5","6","7","10","9","4","1") = "9"
    & skf18("5","6","7","10","9","5","1") = "9"
    & skf18("5","6","7","10","9","6","1") = "9"
    & skf18("5","6","7","10","9","7","1") = "9"
    & skf18("5","6","7","10","9","8","1") = "9"
    & skf18("5","6","7","10","9","9","1") = "9"
    & skf18("5","6","7","10","9","10","1") = "9"
    & skf18("5","6","7","10","10","1","1") = "9"
    & skf18("5","6","7","10","10","2","1") = "9"
    & skf18("5","6","7","10","10","3","1") = "9"
    & skf18("5","6","7","10","10","4","1") = "9"
    & skf18("5","6","7","10","10","5","1") = "9"
    & skf18("5","6","7","10","10","6","1") = "9"
    & skf18("5","6","7","10","10","7","1") = "9"
    & skf18("5","6","7","10","10","8","1") = "9"
    & skf18("5","6","7","10","10","9","1") = "9"
    & skf18("5","6","7","10","10","10","1") = "9"
    & skf18("5","6","8","1","1","1","1") = "7"
    & skf18("5","6","8","1","1","2","1") = "7"
    & skf18("5","6","8","1","1","3","1") = "7"
    & skf18("5","6","8","1","1","4","1") = "7"
    & skf18("5","6","8","1","1","5","1") = "7"
    & skf18("5","6","8","1","1","6","1") = "7"
    & skf18("5","6","8","1","1","7","1") = "7"
    & skf18("5","6","8","1","1","8","1") = "7"
    & skf18("5","6","8","1","1","9","1") = "8"
    & skf18("5","6","8","1","1","10","1") = "9"
    & skf18("5","6","8","1","2","1","1") = "7"
    & skf18("5","6","8","1","2","2","1") = "7"
    & skf18("5","6","8","1","2","3","1") = "7"
    & skf18("5","6","8","1","2","4","1") = "7"
    & skf18("5","6","8","1","2","5","1") = "7"
    & skf18("5","6","8","1","2","6","1") = "7"
    & skf18("5","6","8","1","2","7","1") = "7"
    & skf18("5","6","8","1","2","8","1") = "7"
    & skf18("5","6","8","1","2","9","1") = "8"
    & skf18("5","6","8","1","2","10","1") = "9"
    & skf18("5","6","8","1","3","1","1") = "7"
    & skf18("5","6","8","1","3","2","1") = "7"
    & skf18("5","6","8","1","3","3","1") = "7"
    & skf18("5","6","8","1","3","4","1") = "7"
    & skf18("5","6","8","1","3","5","1") = "7"
    & skf18("5","6","8","1","3","6","1") = "7"
    & skf18("5","6","8","1","3","7","1") = "7"
    & skf18("5","6","8","1","3","8","1") = "7"
    & skf18("5","6","8","1","3","9","1") = "8"
    & skf18("5","6","8","1","3","10","1") = "9"
    & skf18("5","6","8","1","4","1","1") = "7"
    & skf18("5","6","8","1","4","2","1") = "7"
    & skf18("5","6","8","1","4","3","1") = "7"
    & skf18("5","6","8","1","4","4","1") = "7"
    & skf18("5","6","8","1","4","5","1") = "7"
    & skf18("5","6","8","1","4","6","1") = "7"
    & skf18("5","6","8","1","4","7","1") = "7"
    & skf18("5","6","8","1","4","8","1") = "7"
    & skf18("5","6","8","1","4","9","1") = "8"
    & skf18("5","6","8","1","4","10","1") = "9"
    & skf18("5","6","8","1","5","1","1") = "7"
    & skf18("5","6","8","1","5","2","1") = "7"
    & skf18("5","6","8","1","5","3","1") = "7"
    & skf18("5","6","8","1","5","4","1") = "7"
    & skf18("5","6","8","1","5","5","1") = "7"
    & skf18("5","6","8","1","5","6","1") = "7"
    & skf18("5","6","8","1","5","7","1") = "7"
    & skf18("5","6","8","1","5","8","1") = "7"
    & skf18("5","6","8","1","5","9","1") = "8"
    & skf18("5","6","8","1","5","10","1") = "9"
    & skf18("5","6","8","1","6","1","1") = "7"
    & skf18("5","6","8","1","6","2","1") = "7"
    & skf18("5","6","8","1","6","3","1") = "7"
    & skf18("5","6","8","1","6","4","1") = "7"
    & skf18("5","6","8","1","6","5","1") = "7"
    & skf18("5","6","8","1","6","6","1") = "7"
    & skf18("5","6","8","1","6","7","1") = "7"
    & skf18("5","6","8","1","6","8","1") = "7"
    & skf18("5","6","8","1","6","9","1") = "8"
    & skf18("5","6","8","1","6","10","1") = "9"
    & skf18("5","6","8","1","7","1","1") = "7"
    & skf18("5","6","8","1","7","2","1") = "7"
    & skf18("5","6","8","1","7","3","1") = "7"
    & skf18("5","6","8","1","7","4","1") = "7"
    & skf18("5","6","8","1","7","5","1") = "7"
    & skf18("5","6","8","1","7","6","1") = "7"
    & skf18("5","6","8","1","7","7","1") = "7"
    & skf18("5","6","8","1","7","8","1") = "7"
    & skf18("5","6","8","1","7","9","1") = "8"
    & skf18("5","6","8","1","7","10","1") = "9"
    & skf18("5","6","8","1","8","1","1") = "7"
    & skf18("5","6","8","1","8","2","1") = "7"
    & skf18("5","6","8","1","8","3","1") = "7"
    & skf18("5","6","8","1","8","4","1") = "7"
    & skf18("5","6","8","1","8","5","1") = "7"
    & skf18("5","6","8","1","8","6","1") = "7"
    & skf18("5","6","8","1","8","7","1") = "7"
    & skf18("5","6","8","1","8","8","1") = "7"
    & skf18("5","6","8","1","8","9","1") = "8"
    & skf18("5","6","8","1","8","10","1") = "9"
    & skf18("5","6","8","1","9","1","1") = "8"
    & skf18("5","6","8","1","9","2","1") = "8"
    & skf18("5","6","8","1","9","3","1") = "8"
    & skf18("5","6","8","1","9","4","1") = "8"
    & skf18("5","6","8","1","9","5","1") = "8"
    & skf18("5","6","8","1","9","6","1") = "8"
    & skf18("5","6","8","1","9","7","1") = "8"
    & skf18("5","6","8","1","9","8","1") = "8"
    & skf18("5","6","8","1","9","9","1") = "8"
    & skf18("5","6","8","1","9","10","1") = "9"
    & skf18("5","6","8","1","10","1","1") = "9"
    & skf18("5","6","8","1","10","2","1") = "9"
    & skf18("5","6","8","1","10","3","1") = "9"
    & skf18("5","6","8","1","10","4","1") = "9"
    & skf18("5","6","8","1","10","5","1") = "9"
    & skf18("5","6","8","1","10","6","1") = "9"
    & skf18("5","6","8","1","10","7","1") = "9"
    & skf18("5","6","8","1","10","8","1") = "9"
    & skf18("5","6","8","1","10","9","1") = "9"
    & skf18("5","6","8","1","10","10","1") = "9"
    & skf18("5","6","8","2","1","1","1") = "7"
    & skf18("5","6","8","2","1","2","1") = "7"
    & skf18("5","6","8","2","1","3","1") = "7"
    & skf18("5","6","8","2","1","4","1") = "7"
    & skf18("5","6","8","2","1","5","1") = "7"
    & skf18("5","6","8","2","1","6","1") = "7"
    & skf18("5","6","8","2","1","7","1") = "7"
    & skf18("5","6","8","2","1","8","1") = "7"
    & skf18("5","6","8","2","1","9","1") = "8"
    & skf18("5","6","8","2","1","10","1") = "9"
    & skf18("5","6","8","2","2","1","1") = "7"
    & skf18("5","6","8","2","2","2","1") = "7"
    & skf18("5","6","8","2","2","3","1") = "7"
    & skf18("5","6","8","2","2","4","1") = "7"
    & skf18("5","6","8","2","2","5","1") = "7"
    & skf18("5","6","8","2","2","6","1") = "7"
    & skf18("5","6","8","2","2","7","1") = "7"
    & skf18("5","6","8","2","2","8","1") = "7"
    & skf18("5","6","8","2","2","9","1") = "8"
    & skf18("5","6","8","2","2","10","1") = "9"
    & skf18("5","6","8","2","3","1","1") = "7"
    & skf18("5","6","8","2","3","2","1") = "7"
    & skf18("5","6","8","2","3","3","1") = "7"
    & skf18("5","6","8","2","3","4","1") = "7"
    & skf18("5","6","8","2","3","5","1") = "7"
    & skf18("5","6","8","2","3","6","1") = "7"
    & skf18("5","6","8","2","3","7","1") = "7"
    & skf18("5","6","8","2","3","8","1") = "7"
    & skf18("5","6","8","2","3","9","1") = "8"
    & skf18("5","6","8","2","3","10","1") = "9"
    & skf18("5","6","8","2","4","1","1") = "7"
    & skf18("5","6","8","2","4","2","1") = "7"
    & skf18("5","6","8","2","4","3","1") = "7"
    & skf18("5","6","8","2","4","4","1") = "7"
    & skf18("5","6","8","2","4","5","1") = "7"
    & skf18("5","6","8","2","4","6","1") = "7"
    & skf18("5","6","8","2","4","7","1") = "7"
    & skf18("5","6","8","2","4","8","1") = "7"
    & skf18("5","6","8","2","4","9","1") = "8"
    & skf18("5","6","8","2","4","10","1") = "9"
    & skf18("5","6","8","2","5","1","1") = "7"
    & skf18("5","6","8","2","5","2","1") = "7"
    & skf18("5","6","8","2","5","3","1") = "7"
    & skf18("5","6","8","2","5","4","1") = "7"
    & skf18("5","6","8","2","5","5","1") = "7"
    & skf18("5","6","8","2","5","6","1") = "7"
    & skf18("5","6","8","2","5","7","1") = "7"
    & skf18("5","6","8","2","5","8","1") = "7"
    & skf18("5","6","8","2","5","9","1") = "8"
    & skf18("5","6","8","2","5","10","1") = "9"
    & skf18("5","6","8","2","6","1","1") = "7"
    & skf18("5","6","8","2","6","2","1") = "7"
    & skf18("5","6","8","2","6","3","1") = "7"
    & skf18("5","6","8","2","6","4","1") = "7"
    & skf18("5","6","8","2","6","5","1") = "7"
    & skf18("5","6","8","2","6","6","1") = "7"
    & skf18("5","6","8","2","6","7","1") = "7"
    & skf18("5","6","8","2","6","8","1") = "7"
    & skf18("5","6","8","2","6","9","1") = "8"
    & skf18("5","6","8","2","6","10","1") = "9"
    & skf18("5","6","8","2","7","1","1") = "7"
    & skf18("5","6","8","2","7","2","1") = "7"
    & skf18("5","6","8","2","7","3","1") = "7"
    & skf18("5","6","8","2","7","4","1") = "7"
    & skf18("5","6","8","2","7","5","1") = "7"
    & skf18("5","6","8","2","7","6","1") = "7"
    & skf18("5","6","8","2","7","7","1") = "7"
    & skf18("5","6","8","2","7","8","1") = "7"
    & skf18("5","6","8","2","7","9","1") = "8"
    & skf18("5","6","8","2","7","10","1") = "9"
    & skf18("5","6","8","2","8","1","1") = "7"
    & skf18("5","6","8","2","8","2","1") = "7"
    & skf18("5","6","8","2","8","3","1") = "7"
    & skf18("5","6","8","2","8","4","1") = "7"
    & skf18("5","6","8","2","8","5","1") = "7"
    & skf18("5","6","8","2","8","6","1") = "7"
    & skf18("5","6","8","2","8","7","1") = "7"
    & skf18("5","6","8","2","8","8","1") = "7"
    & skf18("5","6","8","2","8","9","1") = "8"
    & skf18("5","6","8","2","8","10","1") = "9"
    & skf18("5","6","8","2","9","1","1") = "8"
    & skf18("5","6","8","2","9","2","1") = "8"
    & skf18("5","6","8","2","9","3","1") = "8"
    & skf18("5","6","8","2","9","4","1") = "8"
    & skf18("5","6","8","2","9","5","1") = "8"
    & skf18("5","6","8","2","9","6","1") = "8"
    & skf18("5","6","8","2","9","7","1") = "8"
    & skf18("5","6","8","2","9","8","1") = "8"
    & skf18("5","6","8","2","9","9","1") = "8"
    & skf18("5","6","8","2","9","10","1") = "9"
    & skf18("5","6","8","2","10","1","1") = "9"
    & skf18("5","6","8","2","10","2","1") = "9"
    & skf18("5","6","8","2","10","3","1") = "9"
    & skf18("5","6","8","2","10","4","1") = "9"
    & skf18("5","6","8","2","10","5","1") = "9"
    & skf18("5","6","8","2","10","6","1") = "9"
    & skf18("5","6","8","2","10","7","1") = "9"
    & skf18("5","6","8","2","10","8","1") = "9"
    & skf18("5","6","8","2","10","9","1") = "9"
    & skf18("5","6","8","2","10","10","1") = "9"
    & skf18("5","6","8","3","1","1","1") = "7"
    & skf18("5","6","8","3","1","2","1") = "7"
    & skf18("5","6","8","3","1","3","1") = "7"
    & skf18("5","6","8","3","1","4","1") = "7"
    & skf18("5","6","8","3","1","5","1") = "7"
    & skf18("5","6","8","3","1","6","1") = "7"
    & skf18("5","6","8","3","1","7","1") = "7"
    & skf18("5","6","8","3","1","8","1") = "7"
    & skf18("5","6","8","3","1","9","1") = "8"
    & skf18("5","6","8","3","1","10","1") = "9"
    & skf18("5","6","8","3","2","1","1") = "7"
    & skf18("5","6","8","3","2","2","1") = "7"
    & skf18("5","6","8","3","2","3","1") = "7"
    & skf18("5","6","8","3","2","4","1") = "7"
    & skf18("5","6","8","3","2","5","1") = "7"
    & skf18("5","6","8","3","2","6","1") = "7"
    & skf18("5","6","8","3","2","7","1") = "7"
    & skf18("5","6","8","3","2","8","1") = "7"
    & skf18("5","6","8","3","2","9","1") = "8"
    & skf18("5","6","8","3","2","10","1") = "9"
    & skf18("5","6","8","3","3","1","1") = "7"
    & skf18("5","6","8","3","3","2","1") = "7"
    & skf18("5","6","8","3","3","3","1") = "7"
    & skf18("5","6","8","3","3","4","1") = "7"
    & skf18("5","6","8","3","3","5","1") = "7"
    & skf18("5","6","8","3","3","6","1") = "7"
    & skf18("5","6","8","3","3","7","1") = "7"
    & skf18("5","6","8","3","3","8","1") = "7"
    & skf18("5","6","8","3","3","9","1") = "8"
    & skf18("5","6","8","3","3","10","1") = "9"
    & skf18("5","6","8","3","4","1","1") = "7"
    & skf18("5","6","8","3","4","2","1") = "7"
    & skf18("5","6","8","3","4","3","1") = "7"
    & skf18("5","6","8","3","4","4","1") = "7"
    & skf18("5","6","8","3","4","5","1") = "7"
    & skf18("5","6","8","3","4","6","1") = "7"
    & skf18("5","6","8","3","4","7","1") = "7"
    & skf18("5","6","8","3","4","8","1") = "7"
    & skf18("5","6","8","3","4","9","1") = "8"
    & skf18("5","6","8","3","4","10","1") = "9"
    & skf18("5","6","8","3","5","1","1") = "7"
    & skf18("5","6","8","3","5","2","1") = "7"
    & skf18("5","6","8","3","5","3","1") = "7"
    & skf18("5","6","8","3","5","4","1") = "7"
    & skf18("5","6","8","3","5","5","1") = "7"
    & skf18("5","6","8","3","5","6","1") = "7"
    & skf18("5","6","8","3","5","7","1") = "7"
    & skf18("5","6","8","3","5","8","1") = "7"
    & skf18("5","6","8","3","5","9","1") = "8"
    & skf18("5","6","8","3","5","10","1") = "9"
    & skf18("5","6","8","3","6","1","1") = "7"
    & skf18("5","6","8","3","6","2","1") = "7"
    & skf18("5","6","8","3","6","3","1") = "7"
    & skf18("5","6","8","3","6","4","1") = "7"
    & skf18("5","6","8","3","6","5","1") = "7"
    & skf18("5","6","8","3","6","6","1") = "7"
    & skf18("5","6","8","3","6","7","1") = "7"
    & skf18("5","6","8","3","6","8","1") = "7"
    & skf18("5","6","8","3","6","9","1") = "8"
    & skf18("5","6","8","3","6","10","1") = "9"
    & skf18("5","6","8","3","7","1","1") = "7"
    & skf18("5","6","8","3","7","2","1") = "7"
    & skf18("5","6","8","3","7","3","1") = "7"
    & skf18("5","6","8","3","7","4","1") = "7"
    & skf18("5","6","8","3","7","5","1") = "7"
    & skf18("5","6","8","3","7","6","1") = "7"
    & skf18("5","6","8","3","7","7","1") = "7"
    & skf18("5","6","8","3","7","8","1") = "7"
    & skf18("5","6","8","3","7","9","1") = "8"
    & skf18("5","6","8","3","7","10","1") = "9"
    & skf18("5","6","8","3","8","1","1") = "7"
    & skf18("5","6","8","3","8","2","1") = "7"
    & skf18("5","6","8","3","8","3","1") = "7"
    & skf18("5","6","8","3","8","4","1") = "7"
    & skf18("5","6","8","3","8","5","1") = "7"
    & skf18("5","6","8","3","8","6","1") = "7"
    & skf18("5","6","8","3","8","7","1") = "7"
    & skf18("5","6","8","3","8","8","1") = "7"
    & skf18("5","6","8","3","8","9","1") = "8"
    & skf18("5","6","8","3","8","10","1") = "9"
    & skf18("5","6","8","3","9","1","1") = "8"
    & skf18("5","6","8","3","9","2","1") = "8"
    & skf18("5","6","8","3","9","3","1") = "8"
    & skf18("5","6","8","3","9","4","1") = "8"
    & skf18("5","6","8","3","9","5","1") = "8"
    & skf18("5","6","8","3","9","6","1") = "8"
    & skf18("5","6","8","3","9","7","1") = "8"
    & skf18("5","6","8","3","9","8","1") = "8"
    & skf18("5","6","8","3","9","9","1") = "8"
    & skf18("5","6","8","3","9","10","1") = "9"
    & skf18("5","6","8","3","10","1","1") = "9"
    & skf18("5","6","8","3","10","2","1") = "9"
    & skf18("5","6","8","3","10","3","1") = "9"
    & skf18("5","6","8","3","10","4","1") = "9"
    & skf18("5","6","8","3","10","5","1") = "9"
    & skf18("5","6","8","3","10","6","1") = "9"
    & skf18("5","6","8","3","10","7","1") = "9"
    & skf18("5","6","8","3","10","8","1") = "9"
    & skf18("5","6","8","3","10","9","1") = "9"
    & skf18("5","6","8","3","10","10","1") = "9"
    & skf18("5","6","8","4","1","1","1") = "7"
    & skf18("5","6","8","4","1","2","1") = "7"
    & skf18("5","6","8","4","1","3","1") = "7"
    & skf18("5","6","8","4","1","4","1") = "7"
    & skf18("5","6","8","4","1","5","1") = "7"
    & skf18("5","6","8","4","1","6","1") = "7"
    & skf18("5","6","8","4","1","7","1") = "7"
    & skf18("5","6","8","4","1","8","1") = "7"
    & skf18("5","6","8","4","1","9","1") = "8"
    & skf18("5","6","8","4","1","10","1") = "9"
    & skf18("5","6","8","4","2","1","1") = "7"
    & skf18("5","6","8","4","2","2","1") = "7"
    & skf18("5","6","8","4","2","3","1") = "7"
    & skf18("5","6","8","4","2","4","1") = "7"
    & skf18("5","6","8","4","2","5","1") = "7"
    & skf18("5","6","8","4","2","6","1") = "7"
    & skf18("5","6","8","4","2","7","1") = "7"
    & skf18("5","6","8","4","2","8","1") = "7"
    & skf18("5","6","8","4","2","9","1") = "8"
    & skf18("5","6","8","4","2","10","1") = "9"
    & skf18("5","6","8","4","3","1","1") = "7"
    & skf18("5","6","8","4","3","2","1") = "7"
    & skf18("5","6","8","4","3","3","1") = "7"
    & skf18("5","6","8","4","3","4","1") = "7"
    & skf18("5","6","8","4","3","5","1") = "7"
    & skf18("5","6","8","4","3","6","1") = "7"
    & skf18("5","6","8","4","3","7","1") = "7"
    & skf18("5","6","8","4","3","8","1") = "7"
    & skf18("5","6","8","4","3","9","1") = "8"
    & skf18("5","6","8","4","3","10","1") = "9"
    & skf18("5","6","8","4","4","1","1") = "7"
    & skf18("5","6","8","4","4","2","1") = "7"
    & skf18("5","6","8","4","4","3","1") = "7"
    & skf18("5","6","8","4","4","4","1") = "7"
    & skf18("5","6","8","4","4","5","1") = "7"
    & skf18("5","6","8","4","4","6","1") = "7"
    & skf18("5","6","8","4","4","7","1") = "7"
    & skf18("5","6","8","4","4","8","1") = "7"
    & skf18("5","6","8","4","4","9","1") = "8"
    & skf18("5","6","8","4","4","10","1") = "9"
    & skf18("5","6","8","4","5","1","1") = "7"
    & skf18("5","6","8","4","5","2","1") = "7"
    & skf18("5","6","8","4","5","3","1") = "7"
    & skf18("5","6","8","4","5","4","1") = "7"
    & skf18("5","6","8","4","5","5","1") = "7"
    & skf18("5","6","8","4","5","6","1") = "7"
    & skf18("5","6","8","4","5","7","1") = "7"
    & skf18("5","6","8","4","5","8","1") = "7"
    & skf18("5","6","8","4","5","9","1") = "8"
    & skf18("5","6","8","4","5","10","1") = "9"
    & skf18("5","6","8","4","6","1","1") = "7"
    & skf18("5","6","8","4","6","2","1") = "7"
    & skf18("5","6","8","4","6","3","1") = "7"
    & skf18("5","6","8","4","6","4","1") = "7"
    & skf18("5","6","8","4","6","5","1") = "7"
    & skf18("5","6","8","4","6","6","1") = "7"
    & skf18("5","6","8","4","6","7","1") = "7"
    & skf18("5","6","8","4","6","8","1") = "7"
    & skf18("5","6","8","4","6","9","1") = "8"
    & skf18("5","6","8","4","6","10","1") = "9"
    & skf18("5","6","8","4","7","1","1") = "7"
    & skf18("5","6","8","4","7","2","1") = "7"
    & skf18("5","6","8","4","7","3","1") = "7"
    & skf18("5","6","8","4","7","4","1") = "7"
    & skf18("5","6","8","4","7","5","1") = "7"
    & skf18("5","6","8","4","7","6","1") = "7"
    & skf18("5","6","8","4","7","7","1") = "7"
    & skf18("5","6","8","4","7","8","1") = "7"
    & skf18("5","6","8","4","7","9","1") = "8"
    & skf18("5","6","8","4","7","10","1") = "9"
    & skf18("5","6","8","4","8","1","1") = "7"
    & skf18("5","6","8","4","8","2","1") = "7"
    & skf18("5","6","8","4","8","3","1") = "7"
    & skf18("5","6","8","4","8","4","1") = "7"
    & skf18("5","6","8","4","8","5","1") = "7"
    & skf18("5","6","8","4","8","6","1") = "7"
    & skf18("5","6","8","4","8","7","1") = "7"
    & skf18("5","6","8","4","8","8","1") = "7"
    & skf18("5","6","8","4","8","9","1") = "8"
    & skf18("5","6","8","4","8","10","1") = "9"
    & skf18("5","6","8","4","9","1","1") = "8"
    & skf18("5","6","8","4","9","2","1") = "8"
    & skf18("5","6","8","4","9","3","1") = "8"
    & skf18("5","6","8","4","9","4","1") = "8"
    & skf18("5","6","8","4","9","5","1") = "8"
    & skf18("5","6","8","4","9","6","1") = "8"
    & skf18("5","6","8","4","9","7","1") = "8"
    & skf18("5","6","8","4","9","8","1") = "8"
    & skf18("5","6","8","4","9","9","1") = "8"
    & skf18("5","6","8","4","9","10","1") = "9"
    & skf18("5","6","8","4","10","1","1") = "9"
    & skf18("5","6","8","4","10","2","1") = "9"
    & skf18("5","6","8","4","10","3","1") = "9"
    & skf18("5","6","8","4","10","4","1") = "9"
    & skf18("5","6","8","4","10","5","1") = "9"
    & skf18("5","6","8","4","10","6","1") = "9"
    & skf18("5","6","8","4","10","7","1") = "9"
    & skf18("5","6","8","4","10","8","1") = "9"
    & skf18("5","6","8","4","10","9","1") = "9"
    & skf18("5","6","8","4","10","10","1") = "9"
    & skf18("5","6","8","5","1","1","1") = "7"
    & skf18("5","6","8","5","1","2","1") = "7"
    & skf18("5","6","8","5","1","3","1") = "7"
    & skf18("5","6","8","5","1","4","1") = "7"
    & skf18("5","6","8","5","1","5","1") = "7"
    & skf18("5","6","8","5","1","6","1") = "7"
    & skf18("5","6","8","5","1","7","1") = "7"
    & skf18("5","6","8","5","1","8","1") = "7"
    & skf18("5","6","8","5","1","9","1") = "8"
    & skf18("5","6","8","5","1","10","1") = "9"
    & skf18("5","6","8","5","2","1","1") = "7"
    & skf18("5","6","8","5","2","2","1") = "7"
    & skf18("5","6","8","5","2","3","1") = "7"
    & skf18("5","6","8","5","2","4","1") = "7"
    & skf18("5","6","8","5","2","5","1") = "7"
    & skf18("5","6","8","5","2","6","1") = "7"
    & skf18("5","6","8","5","2","7","1") = "7"
    & skf18("5","6","8","5","2","8","1") = "7"
    & skf18("5","6","8","5","2","9","1") = "8"
    & skf18("5","6","8","5","2","10","1") = "9"
    & skf18("5","6","8","5","3","1","1") = "7"
    & skf18("5","6","8","5","3","2","1") = "7"
    & skf18("5","6","8","5","3","3","1") = "7"
    & skf18("5","6","8","5","3","4","1") = "7"
    & skf18("5","6","8","5","3","5","1") = "7"
    & skf18("5","6","8","5","3","6","1") = "7"
    & skf18("5","6","8","5","3","7","1") = "7"
    & skf18("5","6","8","5","3","8","1") = "7"
    & skf18("5","6","8","5","3","9","1") = "8"
    & skf18("5","6","8","5","3","10","1") = "9"
    & skf18("5","6","8","5","4","1","1") = "7"
    & skf18("5","6","8","5","4","2","1") = "7"
    & skf18("5","6","8","5","4","3","1") = "7"
    & skf18("5","6","8","5","4","4","1") = "7"
    & skf18("5","6","8","5","4","5","1") = "7"
    & skf18("5","6","8","5","4","6","1") = "7"
    & skf18("5","6","8","5","4","7","1") = "7"
    & skf18("5","6","8","5","4","8","1") = "7"
    & skf18("5","6","8","5","4","9","1") = "8"
    & skf18("5","6","8","5","4","10","1") = "9"
    & skf18("5","6","8","5","5","1","1") = "7"
    & skf18("5","6","8","5","5","2","1") = "7"
    & skf18("5","6","8","5","5","3","1") = "7"
    & skf18("5","6","8","5","5","4","1") = "7"
    & skf18("5","6","8","5","5","5","1") = "7"
    & skf18("5","6","8","5","5","6","1") = "7"
    & skf18("5","6","8","5","5","7","1") = "7"
    & skf18("5","6","8","5","5","8","1") = "7"
    & skf18("5","6","8","5","5","9","1") = "8"
    & skf18("5","6","8","5","5","10","1") = "9"
    & skf18("5","6","8","5","6","1","1") = "7"
    & skf18("5","6","8","5","6","2","1") = "7"
    & skf18("5","6","8","5","6","3","1") = "7"
    & skf18("5","6","8","5","6","4","1") = "7"
    & skf18("5","6","8","5","6","5","1") = "7"
    & skf18("5","6","8","5","6","6","1") = "7"
    & skf18("5","6","8","5","6","7","1") = "7"
    & skf18("5","6","8","5","6","8","1") = "7"
    & skf18("5","6","8","5","6","9","1") = "8"
    & skf18("5","6","8","5","6","10","1") = "9"
    & skf18("5","6","8","5","7","1","1") = "7"
    & skf18("5","6","8","5","7","2","1") = "7"
    & skf18("5","6","8","5","7","3","1") = "7"
    & skf18("5","6","8","5","7","4","1") = "7"
    & skf18("5","6","8","5","7","5","1") = "7"
    & skf18("5","6","8","5","7","6","1") = "7"
    & skf18("5","6","8","5","7","7","1") = "7"
    & skf18("5","6","8","5","7","8","1") = "7"
    & skf18("5","6","8","5","7","9","1") = "8"
    & skf18("5","6","8","5","7","10","1") = "9"
    & skf18("5","6","8","5","8","1","1") = "7"
    & skf18("5","6","8","5","8","2","1") = "7"
    & skf18("5","6","8","5","8","3","1") = "7"
    & skf18("5","6","8","5","8","4","1") = "7"
    & skf18("5","6","8","5","8","5","1") = "7"
    & skf18("5","6","8","5","8","6","1") = "7"
    & skf18("5","6","8","5","8","7","1") = "7"
    & skf18("5","6","8","5","8","8","1") = "7"
    & skf18("5","6","8","5","8","9","1") = "8"
    & skf18("5","6","8","5","8","10","1") = "9"
    & skf18("5","6","8","5","9","1","1") = "8"
    & skf18("5","6","8","5","9","2","1") = "8"
    & skf18("5","6","8","5","9","3","1") = "8"
    & skf18("5","6","8","5","9","4","1") = "8"
    & skf18("5","6","8","5","9","5","1") = "8"
    & skf18("5","6","8","5","9","6","1") = "8"
    & skf18("5","6","8","5","9","7","1") = "8"
    & skf18("5","6","8","5","9","8","1") = "8"
    & skf18("5","6","8","5","9","9","1") = "8"
    & skf18("5","6","8","5","9","10","1") = "9"
    & skf18("5","6","8","5","10","1","1") = "9"
    & skf18("5","6","8","5","10","2","1") = "9"
    & skf18("5","6","8","5","10","3","1") = "9"
    & skf18("5","6","8","5","10","4","1") = "9"
    & skf18("5","6","8","5","10","5","1") = "9"
    & skf18("5","6","8","5","10","6","1") = "9"
    & skf18("5","6","8","5","10","7","1") = "9"
    & skf18("5","6","8","5","10","8","1") = "9"
    & skf18("5","6","8","5","10","9","1") = "9"
    & skf18("5","6","8","5","10","10","1") = "9"
    & skf18("5","6","8","6","1","1","1") = "7"
    & skf18("5","6","8","6","1","2","1") = "7"
    & skf18("5","6","8","6","1","3","1") = "7"
    & skf18("5","6","8","6","1","4","1") = "7"
    & skf18("5","6","8","6","1","5","1") = "7"
    & skf18("5","6","8","6","1","6","1") = "7"
    & skf18("5","6","8","6","1","7","1") = "7"
    & skf18("5","6","8","6","1","8","1") = "7"
    & skf18("5","6","8","6","1","9","1") = "8"
    & skf18("5","6","8","6","1","10","1") = "9"
    & skf18("5","6","8","6","2","1","1") = "7"
    & skf18("5","6","8","6","2","2","1") = "7"
    & skf18("5","6","8","6","2","3","1") = "7"
    & skf18("5","6","8","6","2","4","1") = "7"
    & skf18("5","6","8","6","2","5","1") = "7"
    & skf18("5","6","8","6","2","6","1") = "7"
    & skf18("5","6","8","6","2","7","1") = "7"
    & skf18("5","6","8","6","2","8","1") = "7"
    & skf18("5","6","8","6","2","9","1") = "8"
    & skf18("5","6","8","6","2","10","1") = "9"
    & skf18("5","6","8","6","3","1","1") = "7"
    & skf18("5","6","8","6","3","2","1") = "7"
    & skf18("5","6","8","6","3","3","1") = "7"
    & skf18("5","6","8","6","3","4","1") = "7"
    & skf18("5","6","8","6","3","5","1") = "7"
    & skf18("5","6","8","6","3","6","1") = "7"
    & skf18("5","6","8","6","3","7","1") = "7"
    & skf18("5","6","8","6","3","8","1") = "7"
    & skf18("5","6","8","6","3","9","1") = "8"
    & skf18("5","6","8","6","3","10","1") = "9"
    & skf18("5","6","8","6","4","1","1") = "7"
    & skf18("5","6","8","6","4","2","1") = "7"
    & skf18("5","6","8","6","4","3","1") = "7"
    & skf18("5","6","8","6","4","4","1") = "7"
    & skf18("5","6","8","6","4","5","1") = "7"
    & skf18("5","6","8","6","4","6","1") = "7"
    & skf18("5","6","8","6","4","7","1") = "7"
    & skf18("5","6","8","6","4","8","1") = "7"
    & skf18("5","6","8","6","4","9","1") = "8"
    & skf18("5","6","8","6","4","10","1") = "9"
    & skf18("5","6","8","6","5","1","1") = "7"
    & skf18("5","6","8","6","5","2","1") = "7"
    & skf18("5","6","8","6","5","3","1") = "7"
    & skf18("5","6","8","6","5","4","1") = "7"
    & skf18("5","6","8","6","5","5","1") = "7"
    & skf18("5","6","8","6","5","6","1") = "7"
    & skf18("5","6","8","6","5","7","1") = "7"
    & skf18("5","6","8","6","5","8","1") = "7"
    & skf18("5","6","8","6","5","9","1") = "8"
    & skf18("5","6","8","6","5","10","1") = "9"
    & skf18("5","6","8","6","6","1","1") = "7"
    & skf18("5","6","8","6","6","2","1") = "7"
    & skf18("5","6","8","6","6","3","1") = "7"
    & skf18("5","6","8","6","6","4","1") = "7"
    & skf18("5","6","8","6","6","5","1") = "7"
    & skf18("5","6","8","6","6","6","1") = "7"
    & skf18("5","6","8","6","6","7","1") = "7"
    & skf18("5","6","8","6","6","8","1") = "7"
    & skf18("5","6","8","6","6","9","1") = "8"
    & skf18("5","6","8","6","6","10","1") = "9"
    & skf18("5","6","8","6","7","1","1") = "7"
    & skf18("5","6","8","6","7","2","1") = "7"
    & skf18("5","6","8","6","7","3","1") = "7"
    & skf18("5","6","8","6","7","4","1") = "7"
    & skf18("5","6","8","6","7","5","1") = "7"
    & skf18("5","6","8","6","7","6","1") = "7"
    & skf18("5","6","8","6","7","7","1") = "7"
    & skf18("5","6","8","6","7","8","1") = "7"
    & skf18("5","6","8","6","7","9","1") = "8"
    & skf18("5","6","8","6","7","10","1") = "9"
    & skf18("5","6","8","6","8","1","1") = "7"
    & skf18("5","6","8","6","8","2","1") = "7"
    & skf18("5","6","8","6","8","3","1") = "7"
    & skf18("5","6","8","6","8","4","1") = "7"
    & skf18("5","6","8","6","8","5","1") = "7"
    & skf18("5","6","8","6","8","6","1") = "7"
    & skf18("5","6","8","6","8","7","1") = "7"
    & skf18("5","6","8","6","8","8","1") = "7"
    & skf18("5","6","8","6","8","9","1") = "8"
    & skf18("5","6","8","6","8","10","1") = "9"
    & skf18("5","6","8","6","9","1","1") = "8"
    & skf18("5","6","8","6","9","2","1") = "8"
    & skf18("5","6","8","6","9","3","1") = "8"
    & skf18("5","6","8","6","9","4","1") = "8"
    & skf18("5","6","8","6","9","5","1") = "8"
    & skf18("5","6","8","6","9","6","1") = "8"
    & skf18("5","6","8","6","9","7","1") = "8"
    & skf18("5","6","8","6","9","8","1") = "8"
    & skf18("5","6","8","6","9","9","1") = "8"
    & skf18("5","6","8","6","9","10","1") = "9"
    & skf18("5","6","8","6","10","1","1") = "9"
    & skf18("5","6","8","6","10","2","1") = "9"
    & skf18("5","6","8","6","10","3","1") = "9"
    & skf18("5","6","8","6","10","4","1") = "9"
    & skf18("5","6","8","6","10","5","1") = "9"
    & skf18("5","6","8","6","10","6","1") = "9"
    & skf18("5","6","8","6","10","7","1") = "9"
    & skf18("5","6","8","6","10","8","1") = "9"
    & skf18("5","6","8","6","10","9","1") = "9"
    & skf18("5","6","8","6","10","10","1") = "9"
    & skf18("5","6","8","7","1","1","1") = "7"
    & skf18("5","6","8","7","1","2","1") = "7"
    & skf18("5","6","8","7","1","3","1") = "7"
    & skf18("5","6","8","7","1","4","1") = "7"
    & skf18("5","6","8","7","1","5","1") = "7"
    & skf18("5","6","8","7","1","6","1") = "7"
    & skf18("5","6","8","7","1","7","1") = "7"
    & skf18("5","6","8","7","1","8","1") = "7"
    & skf18("5","6","8","7","1","9","1") = "8"
    & skf18("5","6","8","7","1","10","1") = "9"
    & skf18("5","6","8","7","2","1","1") = "7"
    & skf18("5","6","8","7","2","2","1") = "7"
    & skf18("5","6","8","7","2","3","1") = "7"
    & skf18("5","6","8","7","2","4","1") = "7"
    & skf18("5","6","8","7","2","5","1") = "7"
    & skf18("5","6","8","7","2","6","1") = "7"
    & skf18("5","6","8","7","2","7","1") = "7"
    & skf18("5","6","8","7","2","8","1") = "7"
    & skf18("5","6","8","7","2","9","1") = "8"
    & skf18("5","6","8","7","2","10","1") = "9"
    & skf18("5","6","8","7","3","1","1") = "7"
    & skf18("5","6","8","7","3","2","1") = "7"
    & skf18("5","6","8","7","3","3","1") = "7"
    & skf18("5","6","8","7","3","4","1") = "7"
    & skf18("5","6","8","7","3","5","1") = "7"
    & skf18("5","6","8","7","3","6","1") = "7"
    & skf18("5","6","8","7","3","7","1") = "7"
    & skf18("5","6","8","7","3","8","1") = "7"
    & skf18("5","6","8","7","3","9","1") = "8"
    & skf18("5","6","8","7","3","10","1") = "9"
    & skf18("5","6","8","7","4","1","1") = "7"
    & skf18("5","6","8","7","4","2","1") = "7"
    & skf18("5","6","8","7","4","3","1") = "7"
    & skf18("5","6","8","7","4","4","1") = "7"
    & skf18("5","6","8","7","4","5","1") = "7"
    & skf18("5","6","8","7","4","6","1") = "7"
    & skf18("5","6","8","7","4","7","1") = "7"
    & skf18("5","6","8","7","4","8","1") = "7"
    & skf18("5","6","8","7","4","9","1") = "8"
    & skf18("5","6","8","7","4","10","1") = "9"
    & skf18("5","6","8","7","5","1","1") = "7"
    & skf18("5","6","8","7","5","2","1") = "7"
    & skf18("5","6","8","7","5","3","1") = "7"
    & skf18("5","6","8","7","5","4","1") = "7"
    & skf18("5","6","8","7","5","5","1") = "7"
    & skf18("5","6","8","7","5","6","1") = "7"
    & skf18("5","6","8","7","5","7","1") = "7"
    & skf18("5","6","8","7","5","8","1") = "7"
    & skf18("5","6","8","7","5","9","1") = "8"
    & skf18("5","6","8","7","5","10","1") = "9"
    & skf18("5","6","8","7","6","1","1") = "7"
    & skf18("5","6","8","7","6","2","1") = "7"
    & skf18("5","6","8","7","6","3","1") = "7"
    & skf18("5","6","8","7","6","4","1") = "7"
    & skf18("5","6","8","7","6","5","1") = "7"
    & skf18("5","6","8","7","6","6","1") = "7"
    & skf18("5","6","8","7","6","7","1") = "7"
    & skf18("5","6","8","7","6","8","1") = "7"
    & skf18("5","6","8","7","6","9","1") = "8"
    & skf18("5","6","8","7","6","10","1") = "9"
    & skf18("5","6","8","7","7","1","1") = "7"
    & skf18("5","6","8","7","7","2","1") = "7"
    & skf18("5","6","8","7","7","3","1") = "7"
    & skf18("5","6","8","7","7","4","1") = "7"
    & skf18("5","6","8","7","7","5","1") = "7"
    & skf18("5","6","8","7","7","6","1") = "7"
    & skf18("5","6","8","7","7","7","1") = "7"
    & skf18("5","6","8","7","7","8","1") = "7"
    & skf18("5","6","8","7","7","9","1") = "8"
    & skf18("5","6","8","7","7","10","1") = "9"
    & skf18("5","6","8","7","8","1","1") = "7"
    & skf18("5","6","8","7","8","2","1") = "7"
    & skf18("5","6","8","7","8","3","1") = "7"
    & skf18("5","6","8","7","8","4","1") = "7"
    & skf18("5","6","8","7","8","5","1") = "7"
    & skf18("5","6","8","7","8","6","1") = "7"
    & skf18("5","6","8","7","8","7","1") = "7"
    & skf18("5","6","8","7","8","8","1") = "7"
    & skf18("5","6","8","7","8","9","1") = "8"
    & skf18("5","6","8","7","8","10","1") = "9"
    & skf18("5","6","8","7","9","1","1") = "8"
    & skf18("5","6","8","7","9","2","1") = "8"
    & skf18("5","6","8","7","9","3","1") = "8"
    & skf18("5","6","8","7","9","4","1") = "8"
    & skf18("5","6","8","7","9","5","1") = "8"
    & skf18("5","6","8","7","9","6","1") = "8"
    & skf18("5","6","8","7","9","7","1") = "8"
    & skf18("5","6","8","7","9","8","1") = "8"
    & skf18("5","6","8","7","9","9","1") = "8"
    & skf18("5","6","8","7","9","10","1") = "9"
    & skf18("5","6","8","7","10","1","1") = "9"
    & skf18("5","6","8","7","10","2","1") = "9"
    & skf18("5","6","8","7","10","3","1") = "9"
    & skf18("5","6","8","7","10","4","1") = "9"
    & skf18("5","6","8","7","10","5","1") = "9"
    & skf18("5","6","8","7","10","6","1") = "9"
    & skf18("5","6","8","7","10","7","1") = "9"
    & skf18("5","6","8","7","10","8","1") = "9"
    & skf18("5","6","8","7","10","9","1") = "9"
    & skf18("5","6","8","7","10","10","1") = "9"
    & skf18("5","6","8","8","1","1","1") = "7"
    & skf18("5","6","8","8","1","2","1") = "7"
    & skf18("5","6","8","8","1","3","1") = "7"
    & skf18("5","6","8","8","1","4","1") = "7"
    & skf18("5","6","8","8","1","5","1") = "7"
    & skf18("5","6","8","8","1","6","1") = "7"
    & skf18("5","6","8","8","1","7","1") = "7"
    & skf18("5","6","8","8","1","8","1") = "7"
    & skf18("5","6","8","8","1","9","1") = "8"
    & skf18("5","6","8","8","1","10","1") = "9"
    & skf18("5","6","8","8","2","1","1") = "7"
    & skf18("5","6","8","8","2","2","1") = "7"
    & skf18("5","6","8","8","2","3","1") = "7"
    & skf18("5","6","8","8","2","4","1") = "7"
    & skf18("5","6","8","8","2","5","1") = "7"
    & skf18("5","6","8","8","2","6","1") = "7"
    & skf18("5","6","8","8","2","7","1") = "7"
    & skf18("5","6","8","8","2","8","1") = "7"
    & skf18("5","6","8","8","2","9","1") = "8"
    & skf18("5","6","8","8","2","10","1") = "9"
    & skf18("5","6","8","8","3","1","1") = "7"
    & skf18("5","6","8","8","3","2","1") = "7"
    & skf18("5","6","8","8","3","3","1") = "7"
    & skf18("5","6","8","8","3","4","1") = "7"
    & skf18("5","6","8","8","3","5","1") = "7"
    & skf18("5","6","8","8","3","6","1") = "7"
    & skf18("5","6","8","8","3","7","1") = "7"
    & skf18("5","6","8","8","3","8","1") = "7"
    & skf18("5","6","8","8","3","9","1") = "8"
    & skf18("5","6","8","8","3","10","1") = "9"
    & skf18("5","6","8","8","4","1","1") = "7"
    & skf18("5","6","8","8","4","2","1") = "7"
    & skf18("5","6","8","8","4","3","1") = "7"
    & skf18("5","6","8","8","4","4","1") = "7"
    & skf18("5","6","8","8","4","5","1") = "7"
    & skf18("5","6","8","8","4","6","1") = "7"
    & skf18("5","6","8","8","4","7","1") = "7"
    & skf18("5","6","8","8","4","8","1") = "7"
    & skf18("5","6","8","8","4","9","1") = "8"
    & skf18("5","6","8","8","4","10","1") = "9"
    & skf18("5","6","8","8","5","1","1") = "7"
    & skf18("5","6","8","8","5","2","1") = "7"
    & skf18("5","6","8","8","5","3","1") = "7"
    & skf18("5","6","8","8","5","4","1") = "7"
    & skf18("5","6","8","8","5","5","1") = "7"
    & skf18("5","6","8","8","5","6","1") = "7"
    & skf18("5","6","8","8","5","7","1") = "7"
    & skf18("5","6","8","8","5","8","1") = "7"
    & skf18("5","6","8","8","5","9","1") = "8"
    & skf18("5","6","8","8","5","10","1") = "9"
    & skf18("5","6","8","8","6","1","1") = "7"
    & skf18("5","6","8","8","6","2","1") = "7"
    & skf18("5","6","8","8","6","3","1") = "7"
    & skf18("5","6","8","8","6","4","1") = "7"
    & skf18("5","6","8","8","6","5","1") = "7"
    & skf18("5","6","8","8","6","6","1") = "7"
    & skf18("5","6","8","8","6","7","1") = "7"
    & skf18("5","6","8","8","6","8","1") = "7"
    & skf18("5","6","8","8","6","9","1") = "8"
    & skf18("5","6","8","8","6","10","1") = "9"
    & skf18("5","6","8","8","7","1","1") = "7"
    & skf18("5","6","8","8","7","2","1") = "7"
    & skf18("5","6","8","8","7","3","1") = "7"
    & skf18("5","6","8","8","7","4","1") = "7"
    & skf18("5","6","8","8","7","5","1") = "7"
    & skf18("5","6","8","8","7","6","1") = "7"
    & skf18("5","6","8","8","7","7","1") = "7"
    & skf18("5","6","8","8","7","8","1") = "7"
    & skf18("5","6","8","8","7","9","1") = "8"
    & skf18("5","6","8","8","7","10","1") = "9"
    & skf18("5","6","8","8","8","1","1") = "7"
    & skf18("5","6","8","8","8","2","1") = "7"
    & skf18("5","6","8","8","8","3","1") = "7"
    & skf18("5","6","8","8","8","4","1") = "7"
    & skf18("5","6","8","8","8","5","1") = "7"
    & skf18("5","6","8","8","8","6","1") = "7"
    & skf18("5","6","8","8","8","7","1") = "7"
    & skf18("5","6","8","8","8","8","1") = "7"
    & skf18("5","6","8","8","8","9","1") = "8"
    & skf18("5","6","8","8","8","10","1") = "9"
    & skf18("5","6","8","8","9","1","1") = "8"
    & skf18("5","6","8","8","9","2","1") = "8"
    & skf18("5","6","8","8","9","3","1") = "8"
    & skf18("5","6","8","8","9","4","1") = "8"
    & skf18("5","6","8","8","9","5","1") = "8"
    & skf18("5","6","8","8","9","6","1") = "8"
    & skf18("5","6","8","8","9","7","1") = "8"
    & skf18("5","6","8","8","9","8","1") = "8"
    & skf18("5","6","8","8","9","9","1") = "8"
    & skf18("5","6","8","8","9","10","1") = "9"
    & skf18("5","6","8","8","10","1","1") = "9"
    & skf18("5","6","8","8","10","2","1") = "9"
    & skf18("5","6","8","8","10","3","1") = "9"
    & skf18("5","6","8","8","10","4","1") = "9"
    & skf18("5","6","8","8","10","5","1") = "9"
    & skf18("5","6","8","8","10","6","1") = "9"
    & skf18("5","6","8","8","10","7","1") = "9"
    & skf18("5","6","8","8","10","8","1") = "9"
    & skf18("5","6","8","8","10","9","1") = "9"
    & skf18("5","6","8","8","10","10","1") = "9"
    & skf18("5","6","8","9","1","1","1") = "8"
    & skf18("5","6","8","9","1","2","1") = "8"
    & skf18("5","6","8","9","1","3","1") = "8"
    & skf18("5","6","8","9","1","4","1") = "8"
    & skf18("5","6","8","9","1","5","1") = "8"
    & skf18("5","6","8","9","1","6","1") = "8"
    & skf18("5","6","8","9","1","7","1") = "8"
    & skf18("5","6","8","9","1","8","1") = "8"
    & skf18("5","6","8","9","1","9","1") = "8"
    & skf18("5","6","8","9","1","10","1") = "9"
    & skf18("5","6","8","9","2","1","1") = "8"
    & skf18("5","6","8","9","2","2","1") = "8"
    & skf18("5","6","8","9","2","3","1") = "8"
    & skf18("5","6","8","9","2","4","1") = "8"
    & skf18("5","6","8","9","2","5","1") = "8"
    & skf18("5","6","8","9","2","6","1") = "8"
    & skf18("5","6","8","9","2","7","1") = "8"
    & skf18("5","6","8","9","2","8","1") = "8"
    & skf18("5","6","8","9","2","9","1") = "8"
    & skf18("5","6","8","9","2","10","1") = "9"
    & skf18("5","6","8","9","3","1","1") = "8"
    & skf18("5","6","8","9","3","2","1") = "8"
    & skf18("5","6","8","9","3","3","1") = "8"
    & skf18("5","6","8","9","3","4","1") = "8"
    & skf18("5","6","8","9","3","5","1") = "8"
    & skf18("5","6","8","9","3","6","1") = "8"
    & skf18("5","6","8","9","3","7","1") = "8"
    & skf18("5","6","8","9","3","8","1") = "8"
    & skf18("5","6","8","9","3","9","1") = "8"
    & skf18("5","6","8","9","3","10","1") = "9"
    & skf18("5","6","8","9","4","1","1") = "8"
    & skf18("5","6","8","9","4","2","1") = "8"
    & skf18("5","6","8","9","4","3","1") = "8"
    & skf18("5","6","8","9","4","4","1") = "8"
    & skf18("5","6","8","9","4","5","1") = "8"
    & skf18("5","6","8","9","4","6","1") = "8"
    & skf18("5","6","8","9","4","7","1") = "8"
    & skf18("5","6","8","9","4","8","1") = "8"
    & skf18("5","6","8","9","4","9","1") = "8"
    & skf18("5","6","8","9","4","10","1") = "9"
    & skf18("5","6","8","9","5","1","1") = "8"
    & skf18("5","6","8","9","5","2","1") = "8"
    & skf18("5","6","8","9","5","3","1") = "8"
    & skf18("5","6","8","9","5","4","1") = "8"
    & skf18("5","6","8","9","5","5","1") = "8"
    & skf18("5","6","8","9","5","6","1") = "8"
    & skf18("5","6","8","9","5","7","1") = "8"
    & skf18("5","6","8","9","5","8","1") = "8"
    & skf18("5","6","8","9","5","9","1") = "8"
    & skf18("5","6","8","9","5","10","1") = "9"
    & skf18("5","6","8","9","6","1","1") = "8"
    & skf18("5","6","8","9","6","2","1") = "8"
    & skf18("5","6","8","9","6","3","1") = "8"
    & skf18("5","6","8","9","6","4","1") = "8"
    & skf18("5","6","8","9","6","5","1") = "8"
    & skf18("5","6","8","9","6","6","1") = "8"
    & skf18("5","6","8","9","6","7","1") = "8"
    & skf18("5","6","8","9","6","8","1") = "8"
    & skf18("5","6","8","9","6","9","1") = "8"
    & skf18("5","6","8","9","6","10","1") = "9"
    & skf18("5","6","8","9","7","1","1") = "8"
    & skf18("5","6","8","9","7","2","1") = "8"
    & skf18("5","6","8","9","7","3","1") = "8"
    & skf18("5","6","8","9","7","4","1") = "8"
    & skf18("5","6","8","9","7","5","1") = "8"
    & skf18("5","6","8","9","7","6","1") = "8"
    & skf18("5","6","8","9","7","7","1") = "8"
    & skf18("5","6","8","9","7","8","1") = "8"
    & skf18("5","6","8","9","7","9","1") = "8"
    & skf18("5","6","8","9","7","10","1") = "9"
    & skf18("5","6","8","9","8","1","1") = "8"
    & skf18("5","6","8","9","8","2","1") = "8"
    & skf18("5","6","8","9","8","3","1") = "8"
    & skf18("5","6","8","9","8","4","1") = "8"
    & skf18("5","6","8","9","8","5","1") = "8"
    & skf18("5","6","8","9","8","6","1") = "8"
    & skf18("5","6","8","9","8","7","1") = "8"
    & skf18("5","6","8","9","8","8","1") = "8"
    & skf18("5","6","8","9","8","9","1") = "8"
    & skf18("5","6","8","9","8","10","1") = "9"
    & skf18("5","6","8","9","9","1","1") = "8"
    & skf18("5","6","8","9","9","2","1") = "8"
    & skf18("5","6","8","9","9","3","1") = "8"
    & skf18("5","6","8","9","9","4","1") = "8"
    & skf18("5","6","8","9","9","5","1") = "8"
    & skf18("5","6","8","9","9","6","1") = "8"
    & skf18("5","6","8","9","9","7","1") = "8"
    & skf18("5","6","8","9","9","8","1") = "8"
    & skf18("5","6","8","9","9","9","1") = "8"
    & skf18("5","6","8","9","9","10","1") = "9"
    & skf18("5","6","8","9","10","1","1") = "9"
    & skf18("5","6","8","9","10","2","1") = "9"
    & skf18("5","6","8","9","10","3","1") = "9"
    & skf18("5","6","8","9","10","4","1") = "9"
    & skf18("5","6","8","9","10","5","1") = "9"
    & skf18("5","6","8","9","10","6","1") = "9"
    & skf18("5","6","8","9","10","7","1") = "9"
    & skf18("5","6","8","9","10","8","1") = "9"
    & skf18("5","6","8","9","10","9","1") = "9"
    & skf18("5","6","8","9","10","10","1") = "9"
    & skf18("5","6","8","10","1","1","1") = "9"
    & skf18("5","6","8","10","1","2","1") = "9"
    & skf18("5","6","8","10","1","3","1") = "9"
    & skf18("5","6","8","10","1","4","1") = "9"
    & skf18("5","6","8","10","1","5","1") = "9"
    & skf18("5","6","8","10","1","6","1") = "9"
    & skf18("5","6","8","10","1","7","1") = "9"
    & skf18("5","6","8","10","1","8","1") = "9"
    & skf18("5","6","8","10","1","9","1") = "9"
    & skf18("5","6","8","10","1","10","1") = "9"
    & skf18("5","6","8","10","2","1","1") = "9"
    & skf18("5","6","8","10","2","2","1") = "9"
    & skf18("5","6","8","10","2","3","1") = "9"
    & skf18("5","6","8","10","2","4","1") = "9"
    & skf18("5","6","8","10","2","5","1") = "9"
    & skf18("5","6","8","10","2","6","1") = "9"
    & skf18("5","6","8","10","2","7","1") = "9"
    & skf18("5","6","8","10","2","8","1") = "9"
    & skf18("5","6","8","10","2","9","1") = "9"
    & skf18("5","6","8","10","2","10","1") = "9"
    & skf18("5","6","8","10","3","1","1") = "9"
    & skf18("5","6","8","10","3","2","1") = "9"
    & skf18("5","6","8","10","3","3","1") = "9"
    & skf18("5","6","8","10","3","4","1") = "9"
    & skf18("5","6","8","10","3","5","1") = "9"
    & skf18("5","6","8","10","3","6","1") = "9"
    & skf18("5","6","8","10","3","7","1") = "9"
    & skf18("5","6","8","10","3","8","1") = "9"
    & skf18("5","6","8","10","3","9","1") = "9"
    & skf18("5","6","8","10","3","10","1") = "9"
    & skf18("5","6","8","10","4","1","1") = "9"
    & skf18("5","6","8","10","4","2","1") = "9"
    & skf18("5","6","8","10","4","3","1") = "9"
    & skf18("5","6","8","10","4","4","1") = "9"
    & skf18("5","6","8","10","4","5","1") = "9"
    & skf18("5","6","8","10","4","6","1") = "9"
    & skf18("5","6","8","10","4","7","1") = "9"
    & skf18("5","6","8","10","4","8","1") = "9"
    & skf18("5","6","8","10","4","9","1") = "9"
    & skf18("5","6","8","10","4","10","1") = "9"
    & skf18("5","6","8","10","5","1","1") = "9"
    & skf18("5","6","8","10","5","2","1") = "9"
    & skf18("5","6","8","10","5","3","1") = "9"
    & skf18("5","6","8","10","5","4","1") = "9"
    & skf18("5","6","8","10","5","5","1") = "9"
    & skf18("5","6","8","10","5","6","1") = "9"
    & skf18("5","6","8","10","5","7","1") = "9"
    & skf18("5","6","8","10","5","8","1") = "9"
    & skf18("5","6","8","10","5","9","1") = "9"
    & skf18("5","6","8","10","5","10","1") = "9"
    & skf18("5","6","8","10","6","1","1") = "9"
    & skf18("5","6","8","10","6","2","1") = "9"
    & skf18("5","6","8","10","6","3","1") = "9"
    & skf18("5","6","8","10","6","4","1") = "9"
    & skf18("5","6","8","10","6","5","1") = "9"
    & skf18("5","6","8","10","6","6","1") = "9"
    & skf18("5","6","8","10","6","7","1") = "9"
    & skf18("5","6","8","10","6","8","1") = "9"
    & skf18("5","6","8","10","6","9","1") = "9"
    & skf18("5","6","8","10","6","10","1") = "9"
    & skf18("5","6","8","10","7","1","1") = "9"
    & skf18("5","6","8","10","7","2","1") = "9"
    & skf18("5","6","8","10","7","3","1") = "9"
    & skf18("5","6","8","10","7","4","1") = "9"
    & skf18("5","6","8","10","7","5","1") = "9"
    & skf18("5","6","8","10","7","6","1") = "9"
    & skf18("5","6","8","10","7","7","1") = "9"
    & skf18("5","6","8","10","7","8","1") = "9"
    & skf18("5","6","8","10","7","9","1") = "9"
    & skf18("5","6","8","10","7","10","1") = "9"
    & skf18("5","6","8","10","8","1","1") = "9"
    & skf18("5","6","8","10","8","2","1") = "9"
    & skf18("5","6","8","10","8","3","1") = "9"
    & skf18("5","6","8","10","8","4","1") = "9"
    & skf18("5","6","8","10","8","5","1") = "9"
    & skf18("5","6","8","10","8","6","1") = "9"
    & skf18("5","6","8","10","8","7","1") = "9"
    & skf18("5","6","8","10","8","8","1") = "9"
    & skf18("5","6","8","10","8","9","1") = "9"
    & skf18("5","6","8","10","8","10","1") = "9"
    & skf18("5","6","8","10","9","1","1") = "9"
    & skf18("5","6","8","10","9","2","1") = "9"
    & skf18("5","6","8","10","9","3","1") = "9"
    & skf18("5","6","8","10","9","4","1") = "9"
    & skf18("5","6","8","10","9","5","1") = "9"
    & skf18("5","6","8","10","9","6","1") = "9"
    & skf18("5","6","8","10","9","7","1") = "9"
    & skf18("5","6","8","10","9","8","1") = "9"
    & skf18("5","6","8","10","9","9","1") = "9"
    & skf18("5","6","8","10","9","10","1") = "9"
    & skf18("5","6","8","10","10","1","1") = "9"
    & skf18("5","6","8","10","10","2","1") = "9"
    & skf18("5","6","8","10","10","3","1") = "9"
    & skf18("5","6","8","10","10","4","1") = "9"
    & skf18("5","6","8","10","10","5","1") = "9"
    & skf18("5","6","8","10","10","6","1") = "9"
    & skf18("5","6","8","10","10","7","1") = "9"
    & skf18("5","6","8","10","10","8","1") = "9"
    & skf18("5","6","8","10","10","9","1") = "9"
    & skf18("5","6","8","10","10","10","1") = "9"
    & skf18("5","6","9","1","1","1","1") = "8"
    & skf18("5","6","9","1","1","2","1") = "8"
    & skf18("5","6","9","1","1","3","1") = "8"
    & skf18("5","6","9","1","1","4","1") = "8"
    & skf18("5","6","9","1","1","5","1") = "8"
    & skf18("5","6","9","1","1","6","1") = "8"
    & skf18("5","6","9","1","1","7","1") = "8"
    & skf18("5","6","9","1","1","8","1") = "8"
    & skf18("5","6","9","1","1","9","1") = "8"
    & skf18("5","6","9","1","1","10","1") = "9"
    & skf18("5","6","9","1","2","1","1") = "8"
    & skf18("5","6","9","1","2","2","1") = "8"
    & skf18("5","6","9","1","2","3","1") = "8"
    & skf18("5","6","9","1","2","4","1") = "8"
    & skf18("5","6","9","1","2","5","1") = "8"
    & skf18("5","6","9","1","2","6","1") = "8"
    & skf18("5","6","9","1","2","7","1") = "8"
    & skf18("5","6","9","1","2","8","1") = "8"
    & skf18("5","6","9","1","2","9","1") = "8"
    & skf18("5","6","9","1","2","10","1") = "9"
    & skf18("5","6","9","1","3","1","1") = "8"
    & skf18("5","6","9","1","3","2","1") = "8"
    & skf18("5","6","9","1","3","3","1") = "8"
    & skf18("5","6","9","1","3","4","1") = "8"
    & skf18("5","6","9","1","3","5","1") = "8"
    & skf18("5","6","9","1","3","6","1") = "8"
    & skf18("5","6","9","1","3","7","1") = "8"
    & skf18("5","6","9","1","3","8","1") = "8"
    & skf18("5","6","9","1","3","9","1") = "8"
    & skf18("5","6","9","1","3","10","1") = "9"
    & skf18("5","6","9","1","4","1","1") = "8"
    & skf18("5","6","9","1","4","2","1") = "8"
    & skf18("5","6","9","1","4","3","1") = "8"
    & skf18("5","6","9","1","4","4","1") = "8"
    & skf18("5","6","9","1","4","5","1") = "8"
    & skf18("5","6","9","1","4","6","1") = "8"
    & skf18("5","6","9","1","4","7","1") = "8"
    & skf18("5","6","9","1","4","8","1") = "8"
    & skf18("5","6","9","1","4","9","1") = "8"
    & skf18("5","6","9","1","4","10","1") = "9"
    & skf18("5","6","9","1","5","1","1") = "8"
    & skf18("5","6","9","1","5","2","1") = "8"
    & skf18("5","6","9","1","5","3","1") = "8"
    & skf18("5","6","9","1","5","4","1") = "8"
    & skf18("5","6","9","1","5","5","1") = "8"
    & skf18("5","6","9","1","5","6","1") = "8"
    & skf18("5","6","9","1","5","7","1") = "8"
    & skf18("5","6","9","1","5","8","1") = "8"
    & skf18("5","6","9","1","5","9","1") = "8"
    & skf18("5","6","9","1","5","10","1") = "9"
    & skf18("5","6","9","1","6","1","1") = "8"
    & skf18("5","6","9","1","6","2","1") = "8"
    & skf18("5","6","9","1","6","3","1") = "8"
    & skf18("5","6","9","1","6","4","1") = "8"
    & skf18("5","6","9","1","6","5","1") = "8"
    & skf18("5","6","9","1","6","6","1") = "8"
    & skf18("5","6","9","1","6","7","1") = "8"
    & skf18("5","6","9","1","6","8","1") = "8"
    & skf18("5","6","9","1","6","9","1") = "8"
    & skf18("5","6","9","1","6","10","1") = "9"
    & skf18("5","6","9","1","7","1","1") = "8"
    & skf18("5","6","9","1","7","2","1") = "8"
    & skf18("5","6","9","1","7","3","1") = "8"
    & skf18("5","6","9","1","7","4","1") = "8"
    & skf18("5","6","9","1","7","5","1") = "8"
    & skf18("5","6","9","1","7","6","1") = "8"
    & skf18("5","6","9","1","7","7","1") = "8"
    & skf18("5","6","9","1","7","8","1") = "8"
    & skf18("5","6","9","1","7","9","1") = "8"
    & skf18("5","6","9","1","7","10","1") = "9"
    & skf18("5","6","9","1","8","1","1") = "8"
    & skf18("5","6","9","1","8","2","1") = "8"
    & skf18("5","6","9","1","8","3","1") = "8"
    & skf18("5","6","9","1","8","4","1") = "8"
    & skf18("5","6","9","1","8","5","1") = "8"
    & skf18("5","6","9","1","8","6","1") = "8"
    & skf18("5","6","9","1","8","7","1") = "8"
    & skf18("5","6","9","1","8","8","1") = "8"
    & skf18("5","6","9","1","8","9","1") = "8"
    & skf18("5","6","9","1","8","10","1") = "9"
    & skf18("5","6","9","1","9","1","1") = "8"
    & skf18("5","6","9","1","9","2","1") = "8"
    & skf18("5","6","9","1","9","3","1") = "8"
    & skf18("5","6","9","1","9","4","1") = "8"
    & skf18("5","6","9","1","9","5","1") = "8"
    & skf18("5","6","9","1","9","6","1") = "8"
    & skf18("5","6","9","1","9","7","1") = "8"
    & skf18("5","6","9","1","9","8","1") = "8"
    & skf18("5","6","9","1","9","9","1") = "8"
    & skf18("5","6","9","1","9","10","1") = "9"
    & skf18("5","6","9","1","10","1","1") = "9"
    & skf18("5","6","9","1","10","2","1") = "9"
    & skf18("5","6","9","1","10","3","1") = "9"
    & skf18("5","6","9","1","10","4","1") = "9"
    & skf18("5","6","9","1","10","5","1") = "9"
    & skf18("5","6","9","1","10","6","1") = "9"
    & skf18("5","6","9","1","10","7","1") = "9"
    & skf18("5","6","9","1","10","8","1") = "9"
    & skf18("5","6","9","1","10","9","1") = "9"
    & skf18("5","6","9","1","10","10","1") = "9"
    & skf18("5","6","9","2","1","1","1") = "8"
    & skf18("5","6","9","2","1","2","1") = "8"
    & skf18("5","6","9","2","1","3","1") = "8"
    & skf18("5","6","9","2","1","4","1") = "8"
    & skf18("5","6","9","2","1","5","1") = "8"
    & skf18("5","6","9","2","1","6","1") = "8"
    & skf18("5","6","9","2","1","7","1") = "8"
    & skf18("5","6","9","2","1","8","1") = "8"
    & skf18("5","6","9","2","1","9","1") = "8"
    & skf18("5","6","9","2","1","10","1") = "9"
    & skf18("5","6","9","2","2","1","1") = "8"
    & skf18("5","6","9","2","2","2","1") = "8"
    & skf18("5","6","9","2","2","3","1") = "8"
    & skf18("5","6","9","2","2","4","1") = "8"
    & skf18("5","6","9","2","2","5","1") = "8"
    & skf18("5","6","9","2","2","6","1") = "8"
    & skf18("5","6","9","2","2","7","1") = "8"
    & skf18("5","6","9","2","2","8","1") = "8"
    & skf18("5","6","9","2","2","9","1") = "8"
    & skf18("5","6","9","2","2","10","1") = "9"
    & skf18("5","6","9","2","3","1","1") = "8"
    & skf18("5","6","9","2","3","2","1") = "8"
    & skf18("5","6","9","2","3","3","1") = "8"
    & skf18("5","6","9","2","3","4","1") = "8"
    & skf18("5","6","9","2","3","5","1") = "8"
    & skf18("5","6","9","2","3","6","1") = "8"
    & skf18("5","6","9","2","3","7","1") = "8"
    & skf18("5","6","9","2","3","8","1") = "8"
    & skf18("5","6","9","2","3","9","1") = "8"
    & skf18("5","6","9","2","3","10","1") = "9"
    & skf18("5","6","9","2","4","1","1") = "8"
    & skf18("5","6","9","2","4","2","1") = "8"
    & skf18("5","6","9","2","4","3","1") = "8"
    & skf18("5","6","9","2","4","4","1") = "8"
    & skf18("5","6","9","2","4","5","1") = "8"
    & skf18("5","6","9","2","4","6","1") = "8"
    & skf18("5","6","9","2","4","7","1") = "8"
    & skf18("5","6","9","2","4","8","1") = "8"
    & skf18("5","6","9","2","4","9","1") = "8"
    & skf18("5","6","9","2","4","10","1") = "9"
    & skf18("5","6","9","2","5","1","1") = "8"
    & skf18("5","6","9","2","5","2","1") = "8"
    & skf18("5","6","9","2","5","3","1") = "8"
    & skf18("5","6","9","2","5","4","1") = "8"
    & skf18("5","6","9","2","5","5","1") = "8"
    & skf18("5","6","9","2","5","6","1") = "8"
    & skf18("5","6","9","2","5","7","1") = "8"
    & skf18("5","6","9","2","5","8","1") = "8"
    & skf18("5","6","9","2","5","9","1") = "8"
    & skf18("5","6","9","2","5","10","1") = "9"
    & skf18("5","6","9","2","6","1","1") = "8"
    & skf18("5","6","9","2","6","2","1") = "8"
    & skf18("5","6","9","2","6","3","1") = "8"
    & skf18("5","6","9","2","6","4","1") = "8"
    & skf18("5","6","9","2","6","5","1") = "8"
    & skf18("5","6","9","2","6","6","1") = "8"
    & skf18("5","6","9","2","6","7","1") = "8"
    & skf18("5","6","9","2","6","8","1") = "8"
    & skf18("5","6","9","2","6","9","1") = "8"
    & skf18("5","6","9","2","6","10","1") = "9"
    & skf18("5","6","9","2","7","1","1") = "8"
    & skf18("5","6","9","2","7","2","1") = "8"
    & skf18("5","6","9","2","7","3","1") = "8"
    & skf18("5","6","9","2","7","4","1") = "8"
    & skf18("5","6","9","2","7","5","1") = "8"
    & skf18("5","6","9","2","7","6","1") = "8"
    & skf18("5","6","9","2","7","7","1") = "8"
    & skf18("5","6","9","2","7","8","1") = "8"
    & skf18("5","6","9","2","7","9","1") = "8"
    & skf18("5","6","9","2","7","10","1") = "9"
    & skf18("5","6","9","2","8","1","1") = "8"
    & skf18("5","6","9","2","8","2","1") = "8"
    & skf18("5","6","9","2","8","3","1") = "8"
    & skf18("5","6","9","2","8","4","1") = "8"
    & skf18("5","6","9","2","8","5","1") = "8"
    & skf18("5","6","9","2","8","6","1") = "8"
    & skf18("5","6","9","2","8","7","1") = "8"
    & skf18("5","6","9","2","8","8","1") = "8"
    & skf18("5","6","9","2","8","9","1") = "8"
    & skf18("5","6","9","2","8","10","1") = "9"
    & skf18("5","6","9","2","9","1","1") = "8"
    & skf18("5","6","9","2","9","2","1") = "8"
    & skf18("5","6","9","2","9","3","1") = "8"
    & skf18("5","6","9","2","9","4","1") = "8"
    & skf18("5","6","9","2","9","5","1") = "8"
    & skf18("5","6","9","2","9","6","1") = "8"
    & skf18("5","6","9","2","9","7","1") = "8"
    & skf18("5","6","9","2","9","8","1") = "8"
    & skf18("5","6","9","2","9","9","1") = "8"
    & skf18("5","6","9","2","9","10","1") = "9"
    & skf18("5","6","9","2","10","1","1") = "9"
    & skf18("5","6","9","2","10","2","1") = "9"
    & skf18("5","6","9","2","10","3","1") = "9"
    & skf18("5","6","9","2","10","4","1") = "9"
    & skf18("5","6","9","2","10","5","1") = "9"
    & skf18("5","6","9","2","10","6","1") = "9"
    & skf18("5","6","9","2","10","7","1") = "9"
    & skf18("5","6","9","2","10","8","1") = "9"
    & skf18("5","6","9","2","10","9","1") = "9"
    & skf18("5","6","9","2","10","10","1") = "9"
    & skf18("5","6","9","3","1","1","1") = "8"
    & skf18("5","6","9","3","1","2","1") = "8"
    & skf18("5","6","9","3","1","3","1") = "8"
    & skf18("5","6","9","3","1","4","1") = "8"
    & skf18("5","6","9","3","1","5","1") = "8"
    & skf18("5","6","9","3","1","6","1") = "8"
    & skf18("5","6","9","3","1","7","1") = "8"
    & skf18("5","6","9","3","1","8","1") = "8"
    & skf18("5","6","9","3","1","9","1") = "8"
    & skf18("5","6","9","3","1","10","1") = "9"
    & skf18("5","6","9","3","2","1","1") = "8"
    & skf18("5","6","9","3","2","2","1") = "8"
    & skf18("5","6","9","3","2","3","1") = "8"
    & skf18("5","6","9","3","2","4","1") = "8"
    & skf18("5","6","9","3","2","5","1") = "8"
    & skf18("5","6","9","3","2","6","1") = "8"
    & skf18("5","6","9","3","2","7","1") = "8"
    & skf18("5","6","9","3","2","8","1") = "8"
    & skf18("5","6","9","3","2","9","1") = "8"
    & skf18("5","6","9","3","2","10","1") = "9"
    & skf18("5","6","9","3","3","1","1") = "8"
    & skf18("5","6","9","3","3","2","1") = "8"
    & skf18("5","6","9","3","3","3","1") = "8"
    & skf18("5","6","9","3","3","4","1") = "8"
    & skf18("5","6","9","3","3","5","1") = "8"
    & skf18("5","6","9","3","3","6","1") = "8"
    & skf18("5","6","9","3","3","7","1") = "8"
    & skf18("5","6","9","3","3","8","1") = "8"
    & skf18("5","6","9","3","3","9","1") = "8"
    & skf18("5","6","9","3","3","10","1") = "9"
    & skf18("5","6","9","3","4","1","1") = "8"
    & skf18("5","6","9","3","4","2","1") = "8"
    & skf18("5","6","9","3","4","3","1") = "8"
    & skf18("5","6","9","3","4","4","1") = "8"
    & skf18("5","6","9","3","4","5","1") = "8"
    & skf18("5","6","9","3","4","6","1") = "8"
    & skf18("5","6","9","3","4","7","1") = "8"
    & skf18("5","6","9","3","4","8","1") = "8"
    & skf18("5","6","9","3","4","9","1") = "8"
    & skf18("5","6","9","3","4","10","1") = "9"
    & skf18("5","6","9","3","5","1","1") = "8"
    & skf18("5","6","9","3","5","2","1") = "8"
    & skf18("5","6","9","3","5","3","1") = "8"
    & skf18("5","6","9","3","5","4","1") = "8"
    & skf18("5","6","9","3","5","5","1") = "8"
    & skf18("5","6","9","3","5","6","1") = "8"
    & skf18("5","6","9","3","5","7","1") = "8"
    & skf18("5","6","9","3","5","8","1") = "8"
    & skf18("5","6","9","3","5","9","1") = "8"
    & skf18("5","6","9","3","5","10","1") = "9"
    & skf18("5","6","9","3","6","1","1") = "8"
    & skf18("5","6","9","3","6","2","1") = "8"
    & skf18("5","6","9","3","6","3","1") = "8"
    & skf18("5","6","9","3","6","4","1") = "8"
    & skf18("5","6","9","3","6","5","1") = "8"
    & skf18("5","6","9","3","6","6","1") = "8"
    & skf18("5","6","9","3","6","7","1") = "8"
    & skf18("5","6","9","3","6","8","1") = "8"
    & skf18("5","6","9","3","6","9","1") = "8"
    & skf18("5","6","9","3","6","10","1") = "9"
    & skf18("5","6","9","3","7","1","1") = "8"
    & skf18("5","6","9","3","7","2","1") = "8"
    & skf18("5","6","9","3","7","3","1") = "8"
    & skf18("5","6","9","3","7","4","1") = "8"
    & skf18("5","6","9","3","7","5","1") = "8"
    & skf18("5","6","9","3","7","6","1") = "8"
    & skf18("5","6","9","3","7","7","1") = "8"
    & skf18("5","6","9","3","7","8","1") = "8"
    & skf18("5","6","9","3","7","9","1") = "8"
    & skf18("5","6","9","3","7","10","1") = "9"
    & skf18("5","6","9","3","8","1","1") = "8"
    & skf18("5","6","9","3","8","2","1") = "8"
    & skf18("5","6","9","3","8","3","1") = "8"
    & skf18("5","6","9","3","8","4","1") = "8"
    & skf18("5","6","9","3","8","5","1") = "8"
    & skf18("5","6","9","3","8","6","1") = "8"
    & skf18("5","6","9","3","8","7","1") = "8"
    & skf18("5","6","9","3","8","8","1") = "8"
    & skf18("5","6","9","3","8","9","1") = "8"
    & skf18("5","6","9","3","8","10","1") = "9"
    & skf18("5","6","9","3","9","1","1") = "8"
    & skf18("5","6","9","3","9","2","1") = "8"
    & skf18("5","6","9","3","9","3","1") = "8"
    & skf18("5","6","9","3","9","4","1") = "8"
    & skf18("5","6","9","3","9","5","1") = "8"
    & skf18("5","6","9","3","9","6","1") = "8"
    & skf18("5","6","9","3","9","7","1") = "8"
    & skf18("5","6","9","3","9","8","1") = "8"
    & skf18("5","6","9","3","9","9","1") = "8"
    & skf18("5","6","9","3","9","10","1") = "9"
    & skf18("5","6","9","3","10","1","1") = "9"
    & skf18("5","6","9","3","10","2","1") = "9"
    & skf18("5","6","9","3","10","3","1") = "9"
    & skf18("5","6","9","3","10","4","1") = "9"
    & skf18("5","6","9","3","10","5","1") = "9"
    & skf18("5","6","9","3","10","6","1") = "9"
    & skf18("5","6","9","3","10","7","1") = "9"
    & skf18("5","6","9","3","10","8","1") = "9"
    & skf18("5","6","9","3","10","9","1") = "9"
    & skf18("5","6","9","3","10","10","1") = "9"
    & skf18("5","6","9","4","1","1","1") = "8"
    & skf18("5","6","9","4","1","2","1") = "8"
    & skf18("5","6","9","4","1","3","1") = "8"
    & skf18("5","6","9","4","1","4","1") = "8"
    & skf18("5","6","9","4","1","5","1") = "8"
    & skf18("5","6","9","4","1","6","1") = "8"
    & skf18("5","6","9","4","1","7","1") = "8"
    & skf18("5","6","9","4","1","8","1") = "8"
    & skf18("5","6","9","4","1","9","1") = "8"
    & skf18("5","6","9","4","1","10","1") = "9"
    & skf18("5","6","9","4","2","1","1") = "8"
    & skf18("5","6","9","4","2","2","1") = "8"
    & skf18("5","6","9","4","2","3","1") = "8"
    & skf18("5","6","9","4","2","4","1") = "8"
    & skf18("5","6","9","4","2","5","1") = "8"
    & skf18("5","6","9","4","2","6","1") = "8"
    & skf18("5","6","9","4","2","7","1") = "8"
    & skf18("5","6","9","4","2","8","1") = "8"
    & skf18("5","6","9","4","2","9","1") = "8"
    & skf18("5","6","9","4","2","10","1") = "9"
    & skf18("5","6","9","4","3","1","1") = "8"
    & skf18("5","6","9","4","3","2","1") = "8"
    & skf18("5","6","9","4","3","3","1") = "8"
    & skf18("5","6","9","4","3","4","1") = "8"
    & skf18("5","6","9","4","3","5","1") = "8"
    & skf18("5","6","9","4","3","6","1") = "8"
    & skf18("5","6","9","4","3","7","1") = "8"
    & skf18("5","6","9","4","3","8","1") = "8"
    & skf18("5","6","9","4","3","9","1") = "8"
    & skf18("5","6","9","4","3","10","1") = "9"
    & skf18("5","6","9","4","4","1","1") = "8"
    & skf18("5","6","9","4","4","2","1") = "8"
    & skf18("5","6","9","4","4","3","1") = "8"
    & skf18("5","6","9","4","4","4","1") = "8"
    & skf18("5","6","9","4","4","5","1") = "8"
    & skf18("5","6","9","4","4","6","1") = "8"
    & skf18("5","6","9","4","4","7","1") = "8"
    & skf18("5","6","9","4","4","8","1") = "8"
    & skf18("5","6","9","4","4","9","1") = "8"
    & skf18("5","6","9","4","4","10","1") = "9"
    & skf18("5","6","9","4","5","1","1") = "8"
    & skf18("5","6","9","4","5","2","1") = "8"
    & skf18("5","6","9","4","5","3","1") = "8"
    & skf18("5","6","9","4","5","4","1") = "8"
    & skf18("5","6","9","4","5","5","1") = "8"
    & skf18("5","6","9","4","5","6","1") = "8"
    & skf18("5","6","9","4","5","7","1") = "8"
    & skf18("5","6","9","4","5","8","1") = "8"
    & skf18("5","6","9","4","5","9","1") = "8"
    & skf18("5","6","9","4","5","10","1") = "9"
    & skf18("5","6","9","4","6","1","1") = "8"
    & skf18("5","6","9","4","6","2","1") = "8"
    & skf18("5","6","9","4","6","3","1") = "8"
    & skf18("5","6","9","4","6","4","1") = "8"
    & skf18("5","6","9","4","6","5","1") = "8"
    & skf18("5","6","9","4","6","6","1") = "8"
    & skf18("5","6","9","4","6","7","1") = "8"
    & skf18("5","6","9","4","6","8","1") = "8"
    & skf18("5","6","9","4","6","9","1") = "8"
    & skf18("5","6","9","4","6","10","1") = "9"
    & skf18("5","6","9","4","7","1","1") = "8"
    & skf18("5","6","9","4","7","2","1") = "8"
    & skf18("5","6","9","4","7","3","1") = "8"
    & skf18("5","6","9","4","7","4","1") = "8"
    & skf18("5","6","9","4","7","5","1") = "8"
    & skf18("5","6","9","4","7","6","1") = "8"
    & skf18("5","6","9","4","7","7","1") = "8"
    & skf18("5","6","9","4","7","8","1") = "8"
    & skf18("5","6","9","4","7","9","1") = "8"
    & skf18("5","6","9","4","7","10","1") = "9"
    & skf18("5","6","9","4","8","1","1") = "8"
    & skf18("5","6","9","4","8","2","1") = "8"
    & skf18("5","6","9","4","8","3","1") = "8"
    & skf18("5","6","9","4","8","4","1") = "8"
    & skf18("5","6","9","4","8","5","1") = "8"
    & skf18("5","6","9","4","8","6","1") = "8"
    & skf18("5","6","9","4","8","7","1") = "8"
    & skf18("5","6","9","4","8","8","1") = "8"
    & skf18("5","6","9","4","8","9","1") = "8"
    & skf18("5","6","9","4","8","10","1") = "9"
    & skf18("5","6","9","4","9","1","1") = "8"
    & skf18("5","6","9","4","9","2","1") = "8"
    & skf18("5","6","9","4","9","3","1") = "8"
    & skf18("5","6","9","4","9","4","1") = "8"
    & skf18("5","6","9","4","9","5","1") = "8"
    & skf18("5","6","9","4","9","6","1") = "8"
    & skf18("5","6","9","4","9","7","1") = "8"
    & skf18("5","6","9","4","9","8","1") = "8"
    & skf18("5","6","9","4","9","9","1") = "8"
    & skf18("5","6","9","4","9","10","1") = "9"
    & skf18("5","6","9","4","10","1","1") = "9"
    & skf18("5","6","9","4","10","2","1") = "9"
    & skf18("5","6","9","4","10","3","1") = "9"
    & skf18("5","6","9","4","10","4","1") = "9"
    & skf18("5","6","9","4","10","5","1") = "9"
    & skf18("5","6","9","4","10","6","1") = "9"
    & skf18("5","6","9","4","10","7","1") = "9"
    & skf18("5","6","9","4","10","8","1") = "9"
    & skf18("5","6","9","4","10","9","1") = "9"
    & skf18("5","6","9","4","10","10","1") = "9"
    & skf18("5","6","9","5","1","1","1") = "8"
    & skf18("5","6","9","5","1","2","1") = "8"
    & skf18("5","6","9","5","1","3","1") = "8"
    & skf18("5","6","9","5","1","4","1") = "8"
    & skf18("5","6","9","5","1","5","1") = "8"
    & skf18("5","6","9","5","1","6","1") = "8"
    & skf18("5","6","9","5","1","7","1") = "8"
    & skf18("5","6","9","5","1","8","1") = "8"
    & skf18("5","6","9","5","1","9","1") = "8"
    & skf18("5","6","9","5","1","10","1") = "9"
    & skf18("5","6","9","5","2","1","1") = "8"
    & skf18("5","6","9","5","2","2","1") = "8"
    & skf18("5","6","9","5","2","3","1") = "8"
    & skf18("5","6","9","5","2","4","1") = "8"
    & skf18("5","6","9","5","2","5","1") = "8"
    & skf18("5","6","9","5","2","6","1") = "8"
    & skf18("5","6","9","5","2","7","1") = "8"
    & skf18("5","6","9","5","2","8","1") = "8"
    & skf18("5","6","9","5","2","9","1") = "8"
    & skf18("5","6","9","5","2","10","1") = "9"
    & skf18("5","6","9","5","3","1","1") = "8"
    & skf18("5","6","9","5","3","2","1") = "8"
    & skf18("5","6","9","5","3","3","1") = "8"
    & skf18("5","6","9","5","3","4","1") = "8"
    & skf18("5","6","9","5","3","5","1") = "8"
    & skf18("5","6","9","5","3","6","1") = "8"
    & skf18("5","6","9","5","3","7","1") = "8"
    & skf18("5","6","9","5","3","8","1") = "8"
    & skf18("5","6","9","5","3","9","1") = "8"
    & skf18("5","6","9","5","3","10","1") = "9"
    & skf18("5","6","9","5","4","1","1") = "8"
    & skf18("5","6","9","5","4","2","1") = "8"
    & skf18("5","6","9","5","4","3","1") = "8"
    & skf18("5","6","9","5","4","4","1") = "8"
    & skf18("5","6","9","5","4","5","1") = "8"
    & skf18("5","6","9","5","4","6","1") = "8"
    & skf18("5","6","9","5","4","7","1") = "8"
    & skf18("5","6","9","5","4","8","1") = "8"
    & skf18("5","6","9","5","4","9","1") = "8"
    & skf18("5","6","9","5","4","10","1") = "9"
    & skf18("5","6","9","5","5","1","1") = "8"
    & skf18("5","6","9","5","5","2","1") = "8"
    & skf18("5","6","9","5","5","3","1") = "8"
    & skf18("5","6","9","5","5","4","1") = "8"
    & skf18("5","6","9","5","5","5","1") = "8"
    & skf18("5","6","9","5","5","6","1") = "8"
    & skf18("5","6","9","5","5","7","1") = "8"
    & skf18("5","6","9","5","5","8","1") = "8"
    & skf18("5","6","9","5","5","9","1") = "8"
    & skf18("5","6","9","5","5","10","1") = "9"
    & skf18("5","6","9","5","6","1","1") = "8"
    & skf18("5","6","9","5","6","2","1") = "8"
    & skf18("5","6","9","5","6","3","1") = "8"
    & skf18("5","6","9","5","6","4","1") = "8"
    & skf18("5","6","9","5","6","5","1") = "8"
    & skf18("5","6","9","5","6","6","1") = "8"
    & skf18("5","6","9","5","6","7","1") = "8"
    & skf18("5","6","9","5","6","8","1") = "8"
    & skf18("5","6","9","5","6","9","1") = "8"
    & skf18("5","6","9","5","6","10","1") = "9"
    & skf18("5","6","9","5","7","1","1") = "8"
    & skf18("5","6","9","5","7","2","1") = "8"
    & skf18("5","6","9","5","7","3","1") = "8"
    & skf18("5","6","9","5","7","4","1") = "8"
    & skf18("5","6","9","5","7","5","1") = "8"
    & skf18("5","6","9","5","7","6","1") = "8"
    & skf18("5","6","9","5","7","7","1") = "8"
    & skf18("5","6","9","5","7","8","1") = "8"
    & skf18("5","6","9","5","7","9","1") = "8"
    & skf18("5","6","9","5","7","10","1") = "9"
    & skf18("5","6","9","5","8","1","1") = "8"
    & skf18("5","6","9","5","8","2","1") = "8"
    & skf18("5","6","9","5","8","3","1") = "8"
    & skf18("5","6","9","5","8","4","1") = "8"
    & skf18("5","6","9","5","8","5","1") = "8"
    & skf18("5","6","9","5","8","6","1") = "8"
    & skf18("5","6","9","5","8","7","1") = "8"
    & skf18("5","6","9","5","8","8","1") = "8"
    & skf18("5","6","9","5","8","9","1") = "8"
    & skf18("5","6","9","5","8","10","1") = "9"
    & skf18("5","6","9","5","9","1","1") = "8"
    & skf18("5","6","9","5","9","2","1") = "8"
    & skf18("5","6","9","5","9","3","1") = "8"
    & skf18("5","6","9","5","9","4","1") = "8"
    & skf18("5","6","9","5","9","5","1") = "8"
    & skf18("5","6","9","5","9","6","1") = "8"
    & skf18("5","6","9","5","9","7","1") = "8"
    & skf18("5","6","9","5","9","8","1") = "8"
    & skf18("5","6","9","5","9","9","1") = "8"
    & skf18("5","6","9","5","9","10","1") = "9"
    & skf18("5","6","9","5","10","1","1") = "9"
    & skf18("5","6","9","5","10","2","1") = "9"
    & skf18("5","6","9","5","10","3","1") = "9"
    & skf18("5","6","9","5","10","4","1") = "9"
    & skf18("5","6","9","5","10","5","1") = "9"
    & skf18("5","6","9","5","10","6","1") = "9"
    & skf18("5","6","9","5","10","7","1") = "9"
    & skf18("5","6","9","5","10","8","1") = "9"
    & skf18("5","6","9","5","10","9","1") = "9"
    & skf18("5","6","9","5","10","10","1") = "9"
    & skf18("5","6","9","6","1","1","1") = "8"
    & skf18("5","6","9","6","1","2","1") = "8"
    & skf18("5","6","9","6","1","3","1") = "8"
    & skf18("5","6","9","6","1","4","1") = "8"
    & skf18("5","6","9","6","1","5","1") = "8"
    & skf18("5","6","9","6","1","6","1") = "8"
    & skf18("5","6","9","6","1","7","1") = "8"
    & skf18("5","6","9","6","1","8","1") = "8"
    & skf18("5","6","9","6","1","9","1") = "8"
    & skf18("5","6","9","6","1","10","1") = "9"
    & skf18("5","6","9","6","2","1","1") = "8"
    & skf18("5","6","9","6","2","2","1") = "8"
    & skf18("5","6","9","6","2","3","1") = "8"
    & skf18("5","6","9","6","2","4","1") = "8"
    & skf18("5","6","9","6","2","5","1") = "8"
    & skf18("5","6","9","6","2","6","1") = "8"
    & skf18("5","6","9","6","2","7","1") = "8"
    & skf18("5","6","9","6","2","8","1") = "8"
    & skf18("5","6","9","6","2","9","1") = "8"
    & skf18("5","6","9","6","2","10","1") = "9"
    & skf18("5","6","9","6","3","1","1") = "8"
    & skf18("5","6","9","6","3","2","1") = "8"
    & skf18("5","6","9","6","3","3","1") = "8"
    & skf18("5","6","9","6","3","4","1") = "8"
    & skf18("5","6","9","6","3","5","1") = "8"
    & skf18("5","6","9","6","3","6","1") = "8"
    & skf18("5","6","9","6","3","7","1") = "8"
    & skf18("5","6","9","6","3","8","1") = "8"
    & skf18("5","6","9","6","3","9","1") = "8"
    & skf18("5","6","9","6","3","10","1") = "9"
    & skf18("5","6","9","6","4","1","1") = "8"
    & skf18("5","6","9","6","4","2","1") = "8"
    & skf18("5","6","9","6","4","3","1") = "8"
    & skf18("5","6","9","6","4","4","1") = "8"
    & skf18("5","6","9","6","4","5","1") = "8"
    & skf18("5","6","9","6","4","6","1") = "8"
    & skf18("5","6","9","6","4","7","1") = "8"
    & skf18("5","6","9","6","4","8","1") = "8"
    & skf18("5","6","9","6","4","9","1") = "8"
    & skf18("5","6","9","6","4","10","1") = "9"
    & skf18("5","6","9","6","5","1","1") = "8"
    & skf18("5","6","9","6","5","2","1") = "8"
    & skf18("5","6","9","6","5","3","1") = "8"
    & skf18("5","6","9","6","5","4","1") = "8"
    & skf18("5","6","9","6","5","5","1") = "8"
    & skf18("5","6","9","6","5","6","1") = "8"
    & skf18("5","6","9","6","5","7","1") = "8"
    & skf18("5","6","9","6","5","8","1") = "8"
    & skf18("5","6","9","6","5","9","1") = "8"
    & skf18("5","6","9","6","5","10","1") = "9"
    & skf18("5","6","9","6","6","1","1") = "8"
    & skf18("5","6","9","6","6","2","1") = "8"
    & skf18("5","6","9","6","6","3","1") = "8"
    & skf18("5","6","9","6","6","4","1") = "8"
    & skf18("5","6","9","6","6","5","1") = "8"
    & skf18("5","6","9","6","6","6","1") = "8"
    & skf18("5","6","9","6","6","7","1") = "8"
    & skf18("5","6","9","6","6","8","1") = "8"
    & skf18("5","6","9","6","6","9","1") = "8"
    & skf18("5","6","9","6","6","10","1") = "9"
    & skf18("5","6","9","6","7","1","1") = "8"
    & skf18("5","6","9","6","7","2","1") = "8"
    & skf18("5","6","9","6","7","3","1") = "8"
    & skf18("5","6","9","6","7","4","1") = "8"
    & skf18("5","6","9","6","7","5","1") = "8"
    & skf18("5","6","9","6","7","6","1") = "8"
    & skf18("5","6","9","6","7","7","1") = "8"
    & skf18("5","6","9","6","7","8","1") = "8"
    & skf18("5","6","9","6","7","9","1") = "8"
    & skf18("5","6","9","6","7","10","1") = "9"
    & skf18("5","6","9","6","8","1","1") = "8"
    & skf18("5","6","9","6","8","2","1") = "8"
    & skf18("5","6","9","6","8","3","1") = "8"
    & skf18("5","6","9","6","8","4","1") = "8"
    & skf18("5","6","9","6","8","5","1") = "8"
    & skf18("5","6","9","6","8","6","1") = "8"
    & skf18("5","6","9","6","8","7","1") = "8"
    & skf18("5","6","9","6","8","8","1") = "8"
    & skf18("5","6","9","6","8","9","1") = "8"
    & skf18("5","6","9","6","8","10","1") = "9"
    & skf18("5","6","9","6","9","1","1") = "8"
    & skf18("5","6","9","6","9","2","1") = "8"
    & skf18("5","6","9","6","9","3","1") = "8"
    & skf18("5","6","9","6","9","4","1") = "8"
    & skf18("5","6","9","6","9","5","1") = "8"
    & skf18("5","6","9","6","9","6","1") = "8"
    & skf18("5","6","9","6","9","7","1") = "8"
    & skf18("5","6","9","6","9","8","1") = "8"
    & skf18("5","6","9","6","9","9","1") = "8"
    & skf18("5","6","9","6","9","10","1") = "9"
    & skf18("5","6","9","6","10","1","1") = "9"
    & skf18("5","6","9","6","10","2","1") = "9"
    & skf18("5","6","9","6","10","3","1") = "9"
    & skf18("5","6","9","6","10","4","1") = "9"
    & skf18("5","6","9","6","10","5","1") = "9"
    & skf18("5","6","9","6","10","6","1") = "9"
    & skf18("5","6","9","6","10","7","1") = "9"
    & skf18("5","6","9","6","10","8","1") = "9"
    & skf18("5","6","9","6","10","9","1") = "9"
    & skf18("5","6","9","6","10","10","1") = "9"
    & skf18("5","6","9","7","1","1","1") = "8"
    & skf18("5","6","9","7","1","2","1") = "8"
    & skf18("5","6","9","7","1","3","1") = "8"
    & skf18("5","6","9","7","1","4","1") = "8"
    & skf18("5","6","9","7","1","5","1") = "8"
    & skf18("5","6","9","7","1","6","1") = "8"
    & skf18("5","6","9","7","1","7","1") = "8"
    & skf18("5","6","9","7","1","8","1") = "8"
    & skf18("5","6","9","7","1","9","1") = "8"
    & skf18("5","6","9","7","1","10","1") = "9"
    & skf18("5","6","9","7","2","1","1") = "8"
    & skf18("5","6","9","7","2","2","1") = "8"
    & skf18("5","6","9","7","2","3","1") = "8"
    & skf18("5","6","9","7","2","4","1") = "8"
    & skf18("5","6","9","7","2","5","1") = "8"
    & skf18("5","6","9","7","2","6","1") = "8"
    & skf18("5","6","9","7","2","7","1") = "8"
    & skf18("5","6","9","7","2","8","1") = "8"
    & skf18("5","6","9","7","2","9","1") = "8"
    & skf18("5","6","9","7","2","10","1") = "9"
    & skf18("5","6","9","7","3","1","1") = "8"
    & skf18("5","6","9","7","3","2","1") = "8"
    & skf18("5","6","9","7","3","3","1") = "8"
    & skf18("5","6","9","7","3","4","1") = "8"
    & skf18("5","6","9","7","3","5","1") = "8"
    & skf18("5","6","9","7","3","6","1") = "8"
    & skf18("5","6","9","7","3","7","1") = "8"
    & skf18("5","6","9","7","3","8","1") = "8"
    & skf18("5","6","9","7","3","9","1") = "8"
    & skf18("5","6","9","7","3","10","1") = "9"
    & skf18("5","6","9","7","4","1","1") = "8"
    & skf18("5","6","9","7","4","2","1") = "8"
    & skf18("5","6","9","7","4","3","1") = "8"
    & skf18("5","6","9","7","4","4","1") = "8"
    & skf18("5","6","9","7","4","5","1") = "8"
    & skf18("5","6","9","7","4","6","1") = "8"
    & skf18("5","6","9","7","4","7","1") = "8"
    & skf18("5","6","9","7","4","8","1") = "8"
    & skf18("5","6","9","7","4","9","1") = "8"
    & skf18("5","6","9","7","4","10","1") = "9"
    & skf18("5","6","9","7","5","1","1") = "8"
    & skf18("5","6","9","7","5","2","1") = "8"
    & skf18("5","6","9","7","5","3","1") = "8"
    & skf18("5","6","9","7","5","4","1") = "8"
    & skf18("5","6","9","7","5","5","1") = "8"
    & skf18("5","6","9","7","5","6","1") = "8"
    & skf18("5","6","9","7","5","7","1") = "8"
    & skf18("5","6","9","7","5","8","1") = "8"
    & skf18("5","6","9","7","5","9","1") = "8"
    & skf18("5","6","9","7","5","10","1") = "9"
    & skf18("5","6","9","7","6","1","1") = "8"
    & skf18("5","6","9","7","6","2","1") = "8"
    & skf18("5","6","9","7","6","3","1") = "8"
    & skf18("5","6","9","7","6","4","1") = "8"
    & skf18("5","6","9","7","6","5","1") = "8"
    & skf18("5","6","9","7","6","6","1") = "8"
    & skf18("5","6","9","7","6","7","1") = "8"
    & skf18("5","6","9","7","6","8","1") = "8"
    & skf18("5","6","9","7","6","9","1") = "8"
    & skf18("5","6","9","7","6","10","1") = "9"
    & skf18("5","6","9","7","7","1","1") = "8"
    & skf18("5","6","9","7","7","2","1") = "8"
    & skf18("5","6","9","7","7","3","1") = "8"
    & skf18("5","6","9","7","7","4","1") = "8"
    & skf18("5","6","9","7","7","5","1") = "8"
    & skf18("5","6","9","7","7","6","1") = "8"
    & skf18("5","6","9","7","7","7","1") = "8"
    & skf18("5","6","9","7","7","8","1") = "8"
    & skf18("5","6","9","7","7","9","1") = "8"
    & skf18("5","6","9","7","7","10","1") = "9"
    & skf18("5","6","9","7","8","1","1") = "8"
    & skf18("5","6","9","7","8","2","1") = "8"
    & skf18("5","6","9","7","8","3","1") = "8"
    & skf18("5","6","9","7","8","4","1") = "8"
    & skf18("5","6","9","7","8","5","1") = "8"
    & skf18("5","6","9","7","8","6","1") = "8"
    & skf18("5","6","9","7","8","7","1") = "8"
    & skf18("5","6","9","7","8","8","1") = "8"
    & skf18("5","6","9","7","8","9","1") = "8"
    & skf18("5","6","9","7","8","10","1") = "9"
    & skf18("5","6","9","7","9","1","1") = "8"
    & skf18("5","6","9","7","9","2","1") = "8"
    & skf18("5","6","9","7","9","3","1") = "8"
    & skf18("5","6","9","7","9","4","1") = "8"
    & skf18("5","6","9","7","9","5","1") = "8"
    & skf18("5","6","9","7","9","6","1") = "8"
    & skf18("5","6","9","7","9","7","1") = "8"
    & skf18("5","6","9","7","9","8","1") = "8"
    & skf18("5","6","9","7","9","9","1") = "8"
    & skf18("5","6","9","7","9","10","1") = "9"
    & skf18("5","6","9","7","10","1","1") = "9"
    & skf18("5","6","9","7","10","2","1") = "9"
    & skf18("5","6","9","7","10","3","1") = "9"
    & skf18("5","6","9","7","10","4","1") = "9"
    & skf18("5","6","9","7","10","5","1") = "9"
    & skf18("5","6","9","7","10","6","1") = "9"
    & skf18("5","6","9","7","10","7","1") = "9"
    & skf18("5","6","9","7","10","8","1") = "9"
    & skf18("5","6","9","7","10","9","1") = "9"
    & skf18("5","6","9","7","10","10","1") = "9"
    & skf18("5","6","9","8","1","1","1") = "8"
    & skf18("5","6","9","8","1","2","1") = "8"
    & skf18("5","6","9","8","1","3","1") = "8"
    & skf18("5","6","9","8","1","4","1") = "8"
    & skf18("5","6","9","8","1","5","1") = "8"
    & skf18("5","6","9","8","1","6","1") = "8"
    & skf18("5","6","9","8","1","7","1") = "8"
    & skf18("5","6","9","8","1","8","1") = "8"
    & skf18("5","6","9","8","1","9","1") = "8"
    & skf18("5","6","9","8","1","10","1") = "9"
    & skf18("5","6","9","8","2","1","1") = "8"
    & skf18("5","6","9","8","2","2","1") = "8"
    & skf18("5","6","9","8","2","3","1") = "8"
    & skf18("5","6","9","8","2","4","1") = "8"
    & skf18("5","6","9","8","2","5","1") = "8"
    & skf18("5","6","9","8","2","6","1") = "8"
    & skf18("5","6","9","8","2","7","1") = "8"
    & skf18("5","6","9","8","2","8","1") = "8"
    & skf18("5","6","9","8","2","9","1") = "8"
    & skf18("5","6","9","8","2","10","1") = "9"
    & skf18("5","6","9","8","3","1","1") = "8"
    & skf18("5","6","9","8","3","2","1") = "8"
    & skf18("5","6","9","8","3","3","1") = "8"
    & skf18("5","6","9","8","3","4","1") = "8"
    & skf18("5","6","9","8","3","5","1") = "8"
    & skf18("5","6","9","8","3","6","1") = "8"
    & skf18("5","6","9","8","3","7","1") = "8"
    & skf18("5","6","9","8","3","8","1") = "8"
    & skf18("5","6","9","8","3","9","1") = "8"
    & skf18("5","6","9","8","3","10","1") = "9"
    & skf18("5","6","9","8","4","1","1") = "8"
    & skf18("5","6","9","8","4","2","1") = "8"
    & skf18("5","6","9","8","4","3","1") = "8"
    & skf18("5","6","9","8","4","4","1") = "8"
    & skf18("5","6","9","8","4","5","1") = "8"
    & skf18("5","6","9","8","4","6","1") = "8"
    & skf18("5","6","9","8","4","7","1") = "8"
    & skf18("5","6","9","8","4","8","1") = "8"
    & skf18("5","6","9","8","4","9","1") = "8"
    & skf18("5","6","9","8","4","10","1") = "9"
    & skf18("5","6","9","8","5","1","1") = "8"
    & skf18("5","6","9","8","5","2","1") = "8"
    & skf18("5","6","9","8","5","3","1") = "8"
    & skf18("5","6","9","8","5","4","1") = "8"
    & skf18("5","6","9","8","5","5","1") = "8"
    & skf18("5","6","9","8","5","6","1") = "8"
    & skf18("5","6","9","8","5","7","1") = "8"
    & skf18("5","6","9","8","5","8","1") = "8"
    & skf18("5","6","9","8","5","9","1") = "8"
    & skf18("5","6","9","8","5","10","1") = "9"
    & skf18("5","6","9","8","6","1","1") = "8"
    & skf18("5","6","9","8","6","2","1") = "8"
    & skf18("5","6","9","8","6","3","1") = "8"
    & skf18("5","6","9","8","6","4","1") = "8"
    & skf18("5","6","9","8","6","5","1") = "8"
    & skf18("5","6","9","8","6","6","1") = "8"
    & skf18("5","6","9","8","6","7","1") = "8"
    & skf18("5","6","9","8","6","8","1") = "8"
    & skf18("5","6","9","8","6","9","1") = "8"
    & skf18("5","6","9","8","6","10","1") = "9"
    & skf18("5","6","9","8","7","1","1") = "8"
    & skf18("5","6","9","8","7","2","1") = "8"
    & skf18("5","6","9","8","7","3","1") = "8"
    & skf18("5","6","9","8","7","4","1") = "8"
    & skf18("5","6","9","8","7","5","1") = "8"
    & skf18("5","6","9","8","7","6","1") = "8"
    & skf18("5","6","9","8","7","7","1") = "8"
    & skf18("5","6","9","8","7","8","1") = "8"
    & skf18("5","6","9","8","7","9","1") = "8"
    & skf18("5","6","9","8","7","10","1") = "9"
    & skf18("5","6","9","8","8","1","1") = "8"
    & skf18("5","6","9","8","8","2","1") = "8"
    & skf18("5","6","9","8","8","3","1") = "8"
    & skf18("5","6","9","8","8","4","1") = "8"
    & skf18("5","6","9","8","8","5","1") = "8"
    & skf18("5","6","9","8","8","6","1") = "8"
    & skf18("5","6","9","8","8","7","1") = "8"
    & skf18("5","6","9","8","8","8","1") = "8"
    & skf18("5","6","9","8","8","9","1") = "8"
    & skf18("5","6","9","8","8","10","1") = "9"
    & skf18("5","6","9","8","9","1","1") = "8"
    & skf18("5","6","9","8","9","2","1") = "8"
    & skf18("5","6","9","8","9","3","1") = "8"
    & skf18("5","6","9","8","9","4","1") = "8"
    & skf18("5","6","9","8","9","5","1") = "8"
    & skf18("5","6","9","8","9","6","1") = "8"
    & skf18("5","6","9","8","9","7","1") = "8"
    & skf18("5","6","9","8","9","8","1") = "8"
    & skf18("5","6","9","8","9","9","1") = "8"
    & skf18("5","6","9","8","9","10","1") = "9"
    & skf18("5","6","9","8","10","1","1") = "9"
    & skf18("5","6","9","8","10","2","1") = "9"
    & skf18("5","6","9","8","10","3","1") = "9"
    & skf18("5","6","9","8","10","4","1") = "9"
    & skf18("5","6","9","8","10","5","1") = "9"
    & skf18("5","6","9","8","10","6","1") = "9"
    & skf18("5","6","9","8","10","7","1") = "9"
    & skf18("5","6","9","8","10","8","1") = "9"
    & skf18("5","6","9","8","10","9","1") = "9"
    & skf18("5","6","9","8","10","10","1") = "9"
    & skf18("5","6","9","9","1","1","1") = "8"
    & skf18("5","6","9","9","1","2","1") = "8"
    & skf18("5","6","9","9","1","3","1") = "8"
    & skf18("5","6","9","9","1","4","1") = "8"
    & skf18("5","6","9","9","1","5","1") = "8"
    & skf18("5","6","9","9","1","6","1") = "8"
    & skf18("5","6","9","9","1","7","1") = "8"
    & skf18("5","6","9","9","1","8","1") = "8"
    & skf18("5","6","9","9","1","9","1") = "8"
    & skf18("5","6","9","9","1","10","1") = "9"
    & skf18("5","6","9","9","2","1","1") = "8"
    & skf18("5","6","9","9","2","2","1") = "8"
    & skf18("5","6","9","9","2","3","1") = "8"
    & skf18("5","6","9","9","2","4","1") = "8"
    & skf18("5","6","9","9","2","5","1") = "8"
    & skf18("5","6","9","9","2","6","1") = "8"
    & skf18("5","6","9","9","2","7","1") = "8"
    & skf18("5","6","9","9","2","8","1") = "8"
    & skf18("5","6","9","9","2","9","1") = "8"
    & skf18("5","6","9","9","2","10","1") = "9"
    & skf18("5","6","9","9","3","1","1") = "8"
    & skf18("5","6","9","9","3","2","1") = "8"
    & skf18("5","6","9","9","3","3","1") = "8"
    & skf18("5","6","9","9","3","4","1") = "8"
    & skf18("5","6","9","9","3","5","1") = "8"
    & skf18("5","6","9","9","3","6","1") = "8"
    & skf18("5","6","9","9","3","7","1") = "8"
    & skf18("5","6","9","9","3","8","1") = "8"
    & skf18("5","6","9","9","3","9","1") = "8"
    & skf18("5","6","9","9","3","10","1") = "9"
    & skf18("5","6","9","9","4","1","1") = "8"
    & skf18("5","6","9","9","4","2","1") = "8"
    & skf18("5","6","9","9","4","3","1") = "8"
    & skf18("5","6","9","9","4","4","1") = "8"
    & skf18("5","6","9","9","4","5","1") = "8"
    & skf18("5","6","9","9","4","6","1") = "8"
    & skf18("5","6","9","9","4","7","1") = "8"
    & skf18("5","6","9","9","4","8","1") = "8"
    & skf18("5","6","9","9","4","9","1") = "8"
    & skf18("5","6","9","9","4","10","1") = "9"
    & skf18("5","6","9","9","5","1","1") = "8"
    & skf18("5","6","9","9","5","2","1") = "8"
    & skf18("5","6","9","9","5","3","1") = "8"
    & skf18("5","6","9","9","5","4","1") = "8"
    & skf18("5","6","9","9","5","5","1") = "8"
    & skf18("5","6","9","9","5","6","1") = "8"
    & skf18("5","6","9","9","5","7","1") = "8"
    & skf18("5","6","9","9","5","8","1") = "8"
    & skf18("5","6","9","9","5","9","1") = "8"
    & skf18("5","6","9","9","5","10","1") = "9"
    & skf18("5","6","9","9","6","1","1") = "8"
    & skf18("5","6","9","9","6","2","1") = "8"
    & skf18("5","6","9","9","6","3","1") = "8"
    & skf18("5","6","9","9","6","4","1") = "8"
    & skf18("5","6","9","9","6","5","1") = "8"
    & skf18("5","6","9","9","6","6","1") = "8"
    & skf18("5","6","9","9","6","7","1") = "8"
    & skf18("5","6","9","9","6","8","1") = "8"
    & skf18("5","6","9","9","6","9","1") = "8"
    & skf18("5","6","9","9","6","10","1") = "9"
    & skf18("5","6","9","9","7","1","1") = "8"
    & skf18("5","6","9","9","7","2","1") = "8"
    & skf18("5","6","9","9","7","3","1") = "8"
    & skf18("5","6","9","9","7","4","1") = "8"
    & skf18("5","6","9","9","7","5","1") = "8"
    & skf18("5","6","9","9","7","6","1") = "8"
    & skf18("5","6","9","9","7","7","1") = "8"
    & skf18("5","6","9","9","7","8","1") = "8"
    & skf18("5","6","9","9","7","9","1") = "8"
    & skf18("5","6","9","9","7","10","1") = "9"
    & skf18("5","6","9","9","8","1","1") = "8"
    & skf18("5","6","9","9","8","2","1") = "8"
    & skf18("5","6","9","9","8","3","1") = "8"
    & skf18("5","6","9","9","8","4","1") = "8"
    & skf18("5","6","9","9","8","5","1") = "8"
    & skf18("5","6","9","9","8","6","1") = "8"
    & skf18("5","6","9","9","8","7","1") = "8"
    & skf18("5","6","9","9","8","8","1") = "8"
    & skf18("5","6","9","9","8","9","1") = "8"
    & skf18("5","6","9","9","8","10","1") = "9"
    & skf18("5","6","9","9","9","1","1") = "8"
    & skf18("5","6","9","9","9","2","1") = "8"
    & skf18("5","6","9","9","9","3","1") = "8"
    & skf18("5","6","9","9","9","4","1") = "8"
    & skf18("5","6","9","9","9","5","1") = "8"
    & skf18("5","6","9","9","9","6","1") = "8"
    & skf18("5","6","9","9","9","7","1") = "8"
    & skf18("5","6","9","9","9","8","1") = "8"
    & skf18("5","6","9","9","9","9","1") = "8"
    & skf18("5","6","9","9","9","10","1") = "9"
    & skf18("5","6","9","9","10","1","1") = "9"
    & skf18("5","6","9","9","10","2","1") = "9"
    & skf18("5","6","9","9","10","3","1") = "9"
    & skf18("5","6","9","9","10","4","1") = "9"
    & skf18("5","6","9","9","10","5","1") = "9"
    & skf18("5","6","9","9","10","6","1") = "9"
    & skf18("5","6","9","9","10","7","1") = "9"
    & skf18("5","6","9","9","10","8","1") = "9"
    & skf18("5","6","9","9","10","9","1") = "9"
    & skf18("5","6","9","9","10","10","1") = "9"
    & skf18("5","6","9","10","1","1","1") = "9"
    & skf18("5","6","9","10","1","2","1") = "9"
    & skf18("5","6","9","10","1","3","1") = "9"
    & skf18("5","6","9","10","1","4","1") = "9"
    & skf18("5","6","9","10","1","5","1") = "9"
    & skf18("5","6","9","10","1","6","1") = "9"
    & skf18("5","6","9","10","1","7","1") = "9"
    & skf18("5","6","9","10","1","8","1") = "9"
    & skf18("5","6","9","10","1","9","1") = "9"
    & skf18("5","6","9","10","1","10","1") = "9"
    & skf18("5","6","9","10","2","1","1") = "9"
    & skf18("5","6","9","10","2","2","1") = "9"
    & skf18("5","6","9","10","2","3","1") = "9"
    & skf18("5","6","9","10","2","4","1") = "9"
    & skf18("5","6","9","10","2","5","1") = "9"
    & skf18("5","6","9","10","2","6","1") = "9"
    & skf18("5","6","9","10","2","7","1") = "9"
    & skf18("5","6","9","10","2","8","1") = "9"
    & skf18("5","6","9","10","2","9","1") = "9"
    & skf18("5","6","9","10","2","10","1") = "9"
    & skf18("5","6","9","10","3","1","1") = "9"
    & skf18("5","6","9","10","3","2","1") = "9"
    & skf18("5","6","9","10","3","3","1") = "9"
    & skf18("5","6","9","10","3","4","1") = "9"
    & skf18("5","6","9","10","3","5","1") = "9"
    & skf18("5","6","9","10","3","6","1") = "9"
    & skf18("5","6","9","10","3","7","1") = "9"
    & skf18("5","6","9","10","3","8","1") = "9"
    & skf18("5","6","9","10","3","9","1") = "9"
    & skf18("5","6","9","10","3","10","1") = "9"
    & skf18("5","6","9","10","4","1","1") = "9"
    & skf18("5","6","9","10","4","2","1") = "9"
    & skf18("5","6","9","10","4","3","1") = "9"
    & skf18("5","6","9","10","4","4","1") = "9"
    & skf18("5","6","9","10","4","5","1") = "9"
    & skf18("5","6","9","10","4","6","1") = "9"
    & skf18("5","6","9","10","4","7","1") = "9"
    & skf18("5","6","9","10","4","8","1") = "9"
    & skf18("5","6","9","10","4","9","1") = "9"
    & skf18("5","6","9","10","4","10","1") = "9"
    & skf18("5","6","9","10","5","1","1") = "9"
    & skf18("5","6","9","10","5","2","1") = "9"
    & skf18("5","6","9","10","5","3","1") = "9"
    & skf18("5","6","9","10","5","4","1") = "9"
    & skf18("5","6","9","10","5","5","1") = "9"
    & skf18("5","6","9","10","5","6","1") = "9"
    & skf18("5","6","9","10","5","7","1") = "9"
    & skf18("5","6","9","10","5","8","1") = "9"
    & skf18("5","6","9","10","5","9","1") = "9"
    & skf18("5","6","9","10","5","10","1") = "9"
    & skf18("5","6","9","10","6","1","1") = "9"
    & skf18("5","6","9","10","6","2","1") = "9"
    & skf18("5","6","9","10","6","3","1") = "9"
    & skf18("5","6","9","10","6","4","1") = "9"
    & skf18("5","6","9","10","6","5","1") = "9"
    & skf18("5","6","9","10","6","6","1") = "9"
    & skf18("5","6","9","10","6","7","1") = "9"
    & skf18("5","6","9","10","6","8","1") = "9"
    & skf18("5","6","9","10","6","9","1") = "9"
    & skf18("5","6","9","10","6","10","1") = "9"
    & skf18("5","6","9","10","7","1","1") = "9"
    & skf18("5","6","9","10","7","2","1") = "9"
    & skf18("5","6","9","10","7","3","1") = "9"
    & skf18("5","6","9","10","7","4","1") = "9"
    & skf18("5","6","9","10","7","5","1") = "9"
    & skf18("5","6","9","10","7","6","1") = "9"
    & skf18("5","6","9","10","7","7","1") = "9"
    & skf18("5","6","9","10","7","8","1") = "9"
    & skf18("5","6","9","10","7","9","1") = "9"
    & skf18("5","6","9","10","7","10","1") = "9"
    & skf18("5","6","9","10","8","1","1") = "9"
    & skf18("5","6","9","10","8","2","1") = "9"
    & skf18("5","6","9","10","8","3","1") = "9"
    & skf18("5","6","9","10","8","4","1") = "9"
    & skf18("5","6","9","10","8","5","1") = "9"
    & skf18("5","6","9","10","8","6","1") = "9"
    & skf18("5","6","9","10","8","7","1") = "9"
    & skf18("5","6","9","10","8","8","1") = "9"
    & skf18("5","6","9","10","8","9","1") = "9"
    & skf18("5","6","9","10","8","10","1") = "9"
    & skf18("5","6","9","10","9","1","1") = "9"
    & skf18("5","6","9","10","9","2","1") = "9"
    & skf18("5","6","9","10","9","3","1") = "9"
    & skf18("5","6","9","10","9","4","1") = "9"
    & skf18("5","6","9","10","9","5","1") = "9"
    & skf18("5","6","9","10","9","6","1") = "9"
    & skf18("5","6","9","10","9","7","1") = "9"
    & skf18("5","6","9","10","9","8","1") = "9"
    & skf18("5","6","9","10","9","9","1") = "9"
    & skf18("5","6","9","10","9","10","1") = "9"
    & skf18("5","6","9","10","10","1","1") = "9"
    & skf18("5","6","9","10","10","2","1") = "9"
    & skf18("5","6","9","10","10","3","1") = "9"
    & skf18("5","6","9","10","10","4","1") = "9"
    & skf18("5","6","9","10","10","5","1") = "9"
    & skf18("5","6","9","10","10","6","1") = "9"
    & skf18("5","6","9","10","10","7","1") = "9"
    & skf18("5","6","9","10","10","8","1") = "9"
    & skf18("5","6","9","10","10","9","1") = "9"
    & skf18("5","6","9","10","10","10","1") = "9"
    & skf18("5","6","10","1","1","1","1") = "9"
    & skf18("5","6","10","1","1","2","1") = "9"
    & skf18("5","6","10","1","1","3","1") = "9"
    & skf18("5","6","10","1","1","4","1") = "9"
    & skf18("5","6","10","1","1","5","1") = "9"
    & skf18("5","6","10","1","1","6","1") = "9"
    & skf18("5","6","10","1","1","7","1") = "9"
    & skf18("5","6","10","1","1","8","1") = "9"
    & skf18("5","6","10","1","1","9","1") = "9"
    & skf18("5","6","10","1","1","10","1") = "9"
    & skf18("5","6","10","1","2","1","1") = "9"
    & skf18("5","6","10","1","2","2","1") = "9"
    & skf18("5","6","10","1","2","3","1") = "9"
    & skf18("5","6","10","1","2","4","1") = "9"
    & skf18("5","6","10","1","2","5","1") = "9"
    & skf18("5","6","10","1","2","6","1") = "9"
    & skf18("5","6","10","1","2","7","1") = "9"
    & skf18("5","6","10","1","2","8","1") = "9"
    & skf18("5","6","10","1","2","9","1") = "9"
    & skf18("5","6","10","1","2","10","1") = "9"
    & skf18("5","6","10","1","3","1","1") = "9"
    & skf18("5","6","10","1","3","2","1") = "9"
    & skf18("5","6","10","1","3","3","1") = "9"
    & skf18("5","6","10","1","3","4","1") = "9"
    & skf18("5","6","10","1","3","5","1") = "9"
    & skf18("5","6","10","1","3","6","1") = "9"
    & skf18("5","6","10","1","3","7","1") = "9"
    & skf18("5","6","10","1","3","8","1") = "9"
    & skf18("5","6","10","1","3","9","1") = "9"
    & skf18("5","6","10","1","3","10","1") = "9"
    & skf18("5","6","10","1","4","1","1") = "9"
    & skf18("5","6","10","1","4","2","1") = "9"
    & skf18("5","6","10","1","4","3","1") = "9"
    & skf18("5","6","10","1","4","4","1") = "9"
    & skf18("5","6","10","1","4","5","1") = "9"
    & skf18("5","6","10","1","4","6","1") = "9"
    & skf18("5","6","10","1","4","7","1") = "9"
    & skf18("5","6","10","1","4","8","1") = "9"
    & skf18("5","6","10","1","4","9","1") = "9"
    & skf18("5","6","10","1","4","10","1") = "9"
    & skf18("5","6","10","1","5","1","1") = "9"
    & skf18("5","6","10","1","5","2","1") = "9"
    & skf18("5","6","10","1","5","3","1") = "9"
    & skf18("5","6","10","1","5","4","1") = "9"
    & skf18("5","6","10","1","5","5","1") = "9"
    & skf18("5","6","10","1","5","6","1") = "9"
    & skf18("5","6","10","1","5","7","1") = "9"
    & skf18("5","6","10","1","5","8","1") = "9"
    & skf18("5","6","10","1","5","9","1") = "9"
    & skf18("5","6","10","1","5","10","1") = "9"
    & skf18("5","6","10","1","6","1","1") = "9"
    & skf18("5","6","10","1","6","2","1") = "9"
    & skf18("5","6","10","1","6","3","1") = "9"
    & skf18("5","6","10","1","6","4","1") = "9"
    & skf18("5","6","10","1","6","5","1") = "9"
    & skf18("5","6","10","1","6","6","1") = "9"
    & skf18("5","6","10","1","6","7","1") = "9"
    & skf18("5","6","10","1","6","8","1") = "9"
    & skf18("5","6","10","1","6","9","1") = "9"
    & skf18("5","6","10","1","6","10","1") = "9"
    & skf18("5","6","10","1","7","1","1") = "9"
    & skf18("5","6","10","1","7","2","1") = "9"
    & skf18("5","6","10","1","7","3","1") = "9"
    & skf18("5","6","10","1","7","4","1") = "9"
    & skf18("5","6","10","1","7","5","1") = "9"
    & skf18("5","6","10","1","7","6","1") = "9"
    & skf18("5","6","10","1","7","7","1") = "9"
    & skf18("5","6","10","1","7","8","1") = "9"
    & skf18("5","6","10","1","7","9","1") = "9"
    & skf18("5","6","10","1","7","10","1") = "9"
    & skf18("5","6","10","1","8","1","1") = "9"
    & skf18("5","6","10","1","8","2","1") = "9"
    & skf18("5","6","10","1","8","3","1") = "9"
    & skf18("5","6","10","1","8","4","1") = "9"
    & skf18("5","6","10","1","8","5","1") = "9"
    & skf18("5","6","10","1","8","6","1") = "9"
    & skf18("5","6","10","1","8","7","1") = "9"
    & skf18("5","6","10","1","8","8","1") = "9"
    & skf18("5","6","10","1","8","9","1") = "9"
    & skf18("5","6","10","1","8","10","1") = "9"
    & skf18("5","6","10","1","9","1","1") = "9"
    & skf18("5","6","10","1","9","2","1") = "9"
    & skf18("5","6","10","1","9","3","1") = "9"
    & skf18("5","6","10","1","9","4","1") = "9"
    & skf18("5","6","10","1","9","5","1") = "9"
    & skf18("5","6","10","1","9","6","1") = "9"
    & skf18("5","6","10","1","9","7","1") = "9"
    & skf18("5","6","10","1","9","8","1") = "9"
    & skf18("5","6","10","1","9","9","1") = "9"
    & skf18("5","6","10","1","9","10","1") = "9"
    & skf18("5","6","10","1","10","1","1") = "9"
    & skf18("5","6","10","1","10","2","1") = "9"
    & skf18("5","6","10","1","10","3","1") = "9"
    & skf18("5","6","10","1","10","4","1") = "9"
    & skf18("5","6","10","1","10","5","1") = "9"
    & skf18("5","6","10","1","10","6","1") = "9"
    & skf18("5","6","10","1","10","7","1") = "9"
    & skf18("5","6","10","1","10","8","1") = "9"
    & skf18("5","6","10","1","10","9","1") = "9"
    & skf18("5","6","10","1","10","10","1") = "9"
    & skf18("5","6","10","2","1","1","1") = "9"
    & skf18("5","6","10","2","1","2","1") = "9"
    & skf18("5","6","10","2","1","3","1") = "9"
    & skf18("5","6","10","2","1","4","1") = "9"
    & skf18("5","6","10","2","1","5","1") = "9"
    & skf18("5","6","10","2","1","6","1") = "9"
    & skf18("5","6","10","2","1","7","1") = "9"
    & skf18("5","6","10","2","1","8","1") = "9"
    & skf18("5","6","10","2","1","9","1") = "9"
    & skf18("5","6","10","2","1","10","1") = "9"
    & skf18("5","6","10","2","2","1","1") = "9"
    & skf18("5","6","10","2","2","2","1") = "9"
    & skf18("5","6","10","2","2","3","1") = "9"
    & skf18("5","6","10","2","2","4","1") = "9"
    & skf18("5","6","10","2","2","5","1") = "9"
    & skf18("5","6","10","2","2","6","1") = "9"
    & skf18("5","6","10","2","2","7","1") = "9"
    & skf18("5","6","10","2","2","8","1") = "9"
    & skf18("5","6","10","2","2","9","1") = "9"
    & skf18("5","6","10","2","2","10","1") = "9"
    & skf18("5","6","10","2","3","1","1") = "9"
    & skf18("5","6","10","2","3","2","1") = "9"
    & skf18("5","6","10","2","3","3","1") = "9"
    & skf18("5","6","10","2","3","4","1") = "9"
    & skf18("5","6","10","2","3","5","1") = "9"
    & skf18("5","6","10","2","3","6","1") = "9"
    & skf18("5","6","10","2","3","7","1") = "9"
    & skf18("5","6","10","2","3","8","1") = "9"
    & skf18("5","6","10","2","3","9","1") = "9"
    & skf18("5","6","10","2","3","10","1") = "9"
    & skf18("5","6","10","2","4","1","1") = "9"
    & skf18("5","6","10","2","4","2","1") = "9"
    & skf18("5","6","10","2","4","3","1") = "9"
    & skf18("5","6","10","2","4","4","1") = "9"
    & skf18("5","6","10","2","4","5","1") = "9"
    & skf18("5","6","10","2","4","6","1") = "9"
    & skf18("5","6","10","2","4","7","1") = "9"
    & skf18("5","6","10","2","4","8","1") = "9"
    & skf18("5","6","10","2","4","9","1") = "9"
    & skf18("5","6","10","2","4","10","1") = "9"
    & skf18("5","6","10","2","5","1","1") = "9"
    & skf18("5","6","10","2","5","2","1") = "9"
    & skf18("5","6","10","2","5","3","1") = "9"
    & skf18("5","6","10","2","5","4","1") = "9"
    & skf18("5","6","10","2","5","5","1") = "9"
    & skf18("5","6","10","2","5","6","1") = "9"
    & skf18("5","6","10","2","5","7","1") = "9"
    & skf18("5","6","10","2","5","8","1") = "9"
    & skf18("5","6","10","2","5","9","1") = "9"
    & skf18("5","6","10","2","5","10","1") = "9"
    & skf18("5","6","10","2","6","1","1") = "9"
    & skf18("5","6","10","2","6","2","1") = "9"
    & skf18("5","6","10","2","6","3","1") = "9"
    & skf18("5","6","10","2","6","4","1") = "9"
    & skf18("5","6","10","2","6","5","1") = "9"
    & skf18("5","6","10","2","6","6","1") = "9"
    & skf18("5","6","10","2","6","7","1") = "9"
    & skf18("5","6","10","2","6","8","1") = "9"
    & skf18("5","6","10","2","6","9","1") = "9"
    & skf18("5","6","10","2","6","10","1") = "9"
    & skf18("5","6","10","2","7","1","1") = "9"
    & skf18("5","6","10","2","7","2","1") = "9"
    & skf18("5","6","10","2","7","3","1") = "9"
    & skf18("5","6","10","2","7","4","1") = "9"
    & skf18("5","6","10","2","7","5","1") = "9"
    & skf18("5","6","10","2","7","6","1") = "9"
    & skf18("5","6","10","2","7","7","1") = "9"
    & skf18("5","6","10","2","7","8","1") = "9"
    & skf18("5","6","10","2","7","9","1") = "9"
    & skf18("5","6","10","2","7","10","1") = "9"
    & skf18("5","6","10","2","8","1","1") = "9"
    & skf18("5","6","10","2","8","2","1") = "9"
    & skf18("5","6","10","2","8","3","1") = "9"
    & skf18("5","6","10","2","8","4","1") = "9"
    & skf18("5","6","10","2","8","5","1") = "9"
    & skf18("5","6","10","2","8","6","1") = "9"
    & skf18("5","6","10","2","8","7","1") = "9"
    & skf18("5","6","10","2","8","8","1") = "9"
    & skf18("5","6","10","2","8","9","1") = "9"
    & skf18("5","6","10","2","8","10","1") = "9"
    & skf18("5","6","10","2","9","1","1") = "9"
    & skf18("5","6","10","2","9","2","1") = "9"
    & skf18("5","6","10","2","9","3","1") = "9"
    & skf18("5","6","10","2","9","4","1") = "9"
    & skf18("5","6","10","2","9","5","1") = "9"
    & skf18("5","6","10","2","9","6","1") = "9"
    & skf18("5","6","10","2","9","7","1") = "9"
    & skf18("5","6","10","2","9","8","1") = "9"
    & skf18("5","6","10","2","9","9","1") = "9"
    & skf18("5","6","10","2","9","10","1") = "9"
    & skf18("5","6","10","2","10","1","1") = "9"
    & skf18("5","6","10","2","10","2","1") = "9"
    & skf18("5","6","10","2","10","3","1") = "9"
    & skf18("5","6","10","2","10","4","1") = "9"
    & skf18("5","6","10","2","10","5","1") = "9"
    & skf18("5","6","10","2","10","6","1") = "9"
    & skf18("5","6","10","2","10","7","1") = "9"
    & skf18("5","6","10","2","10","8","1") = "9"
    & skf18("5","6","10","2","10","9","1") = "9"
    & skf18("5","6","10","2","10","10","1") = "9"
    & skf18("5","6","10","3","1","1","1") = "9"
    & skf18("5","6","10","3","1","2","1") = "9"
    & skf18("5","6","10","3","1","3","1") = "9"
    & skf18("5","6","10","3","1","4","1") = "9"
    & skf18("5","6","10","3","1","5","1") = "9"
    & skf18("5","6","10","3","1","6","1") = "9"
    & skf18("5","6","10","3","1","7","1") = "9"
    & skf18("5","6","10","3","1","8","1") = "9"
    & skf18("5","6","10","3","1","9","1") = "9"
    & skf18("5","6","10","3","1","10","1") = "9"
    & skf18("5","6","10","3","2","1","1") = "9"
    & skf18("5","6","10","3","2","2","1") = "9"
    & skf18("5","6","10","3","2","3","1") = "9"
    & skf18("5","6","10","3","2","4","1") = "9"
    & skf18("5","6","10","3","2","5","1") = "9"
    & skf18("5","6","10","3","2","6","1") = "9"
    & skf18("5","6","10","3","2","7","1") = "9"
    & skf18("5","6","10","3","2","8","1") = "9"
    & skf18("5","6","10","3","2","9","1") = "9"
    & skf18("5","6","10","3","2","10","1") = "9"
    & skf18("5","6","10","3","3","1","1") = "9"
    & skf18("5","6","10","3","3","2","1") = "9"
    & skf18("5","6","10","3","3","3","1") = "9"
    & skf18("5","6","10","3","3","4","1") = "9"
    & skf18("5","6","10","3","3","5","1") = "9"
    & skf18("5","6","10","3","3","6","1") = "9"
    & skf18("5","6","10","3","3","7","1") = "9"
    & skf18("5","6","10","3","3","8","1") = "9"
    & skf18("5","6","10","3","3","9","1") = "9"
    & skf18("5","6","10","3","3","10","1") = "9"
    & skf18("5","6","10","3","4","1","1") = "9"
    & skf18("5","6","10","3","4","2","1") = "9"
    & skf18("5","6","10","3","4","3","1") = "9"
    & skf18("5","6","10","3","4","4","1") = "9"
    & skf18("5","6","10","3","4","5","1") = "9"
    & skf18("5","6","10","3","4","6","1") = "9"
    & skf18("5","6","10","3","4","7","1") = "9"
    & skf18("5","6","10","3","4","8","1") = "9"
    & skf18("5","6","10","3","4","9","1") = "9"
    & skf18("5","6","10","3","4","10","1") = "9"
    & skf18("5","6","10","3","5","1","1") = "9"
    & skf18("5","6","10","3","5","2","1") = "9"
    & skf18("5","6","10","3","5","3","1") = "9"
    & skf18("5","6","10","3","5","4","1") = "9"
    & skf18("5","6","10","3","5","5","1") = "9"
    & skf18("5","6","10","3","5","6","1") = "9"
    & skf18("5","6","10","3","5","7","1") = "9"
    & skf18("5","6","10","3","5","8","1") = "9"
    & skf18("5","6","10","3","5","9","1") = "9"
    & skf18("5","6","10","3","5","10","1") = "9"
    & skf18("5","6","10","3","6","1","1") = "9"
    & skf18("5","6","10","3","6","2","1") = "9"
    & skf18("5","6","10","3","6","3","1") = "9"
    & skf18("5","6","10","3","6","4","1") = "9"
    & skf18("5","6","10","3","6","5","1") = "9"
    & skf18("5","6","10","3","6","6","1") = "9"
    & skf18("5","6","10","3","6","7","1") = "9"
    & skf18("5","6","10","3","6","8","1") = "9"
    & skf18("5","6","10","3","6","9","1") = "9"
    & skf18("5","6","10","3","6","10","1") = "9"
    & skf18("5","6","10","3","7","1","1") = "9"
    & skf18("5","6","10","3","7","2","1") = "9"
    & skf18("5","6","10","3","7","3","1") = "9"
    & skf18("5","6","10","3","7","4","1") = "9"
    & skf18("5","6","10","3","7","5","1") = "9"
    & skf18("5","6","10","3","7","6","1") = "9"
    & skf18("5","6","10","3","7","7","1") = "9"
    & skf18("5","6","10","3","7","8","1") = "9"
    & skf18("5","6","10","3","7","9","1") = "9"
    & skf18("5","6","10","3","7","10","1") = "9"
    & skf18("5","6","10","3","8","1","1") = "9"
    & skf18("5","6","10","3","8","2","1") = "9"
    & skf18("5","6","10","3","8","3","1") = "9"
    & skf18("5","6","10","3","8","4","1") = "9"
    & skf18("5","6","10","3","8","5","1") = "9"
    & skf18("5","6","10","3","8","6","1") = "9"
    & skf18("5","6","10","3","8","7","1") = "9"
    & skf18("5","6","10","3","8","8","1") = "9"
    & skf18("5","6","10","3","8","9","1") = "9"
    & skf18("5","6","10","3","8","10","1") = "9"
    & skf18("5","6","10","3","9","1","1") = "9"
    & skf18("5","6","10","3","9","2","1") = "9"
    & skf18("5","6","10","3","9","3","1") = "9"
    & skf18("5","6","10","3","9","4","1") = "9"
    & skf18("5","6","10","3","9","5","1") = "9"
    & skf18("5","6","10","3","9","6","1") = "9"
    & skf18("5","6","10","3","9","7","1") = "9"
    & skf18("5","6","10","3","9","8","1") = "9"
    & skf18("5","6","10","3","9","9","1") = "9"
    & skf18("5","6","10","3","9","10","1") = "9"
    & skf18("5","6","10","3","10","1","1") = "9"
    & skf18("5","6","10","3","10","2","1") = "9"
    & skf18("5","6","10","3","10","3","1") = "9"
    & skf18("5","6","10","3","10","4","1") = "9"
    & skf18("5","6","10","3","10","5","1") = "9"
    & skf18("5","6","10","3","10","6","1") = "9"
    & skf18("5","6","10","3","10","7","1") = "9"
    & skf18("5","6","10","3","10","8","1") = "9"
    & skf18("5","6","10","3","10","9","1") = "9"
    & skf18("5","6","10","3","10","10","1") = "9"
    & skf18("5","6","10","4","1","1","1") = "9"
    & skf18("5","6","10","4","1","2","1") = "9"
    & skf18("5","6","10","4","1","3","1") = "9"
    & skf18("5","6","10","4","1","4","1") = "9"
    & skf18("5","6","10","4","1","5","1") = "9"
    & skf18("5","6","10","4","1","6","1") = "9"
    & skf18("5","6","10","4","1","7","1") = "9"
    & skf18("5","6","10","4","1","8","1") = "9"
    & skf18("5","6","10","4","1","9","1") = "9"
    & skf18("5","6","10","4","1","10","1") = "9"
    & skf18("5","6","10","4","2","1","1") = "9"
    & skf18("5","6","10","4","2","2","1") = "9"
    & skf18("5","6","10","4","2","3","1") = "9"
    & skf18("5","6","10","4","2","4","1") = "9"
    & skf18("5","6","10","4","2","5","1") = "9"
    & skf18("5","6","10","4","2","6","1") = "9"
    & skf18("5","6","10","4","2","7","1") = "9"
    & skf18("5","6","10","4","2","8","1") = "9"
    & skf18("5","6","10","4","2","9","1") = "9"
    & skf18("5","6","10","4","2","10","1") = "9"
    & skf18("5","6","10","4","3","1","1") = "9"
    & skf18("5","6","10","4","3","2","1") = "9"
    & skf18("5","6","10","4","3","3","1") = "9"
    & skf18("5","6","10","4","3","4","1") = "9"
    & skf18("5","6","10","4","3","5","1") = "9"
    & skf18("5","6","10","4","3","6","1") = "9"
    & skf18("5","6","10","4","3","7","1") = "9"
    & skf18("5","6","10","4","3","8","1") = "9"
    & skf18("5","6","10","4","3","9","1") = "9"
    & skf18("5","6","10","4","3","10","1") = "9"
    & skf18("5","6","10","4","4","1","1") = "9"
    & skf18("5","6","10","4","4","2","1") = "9"
    & skf18("5","6","10","4","4","3","1") = "9"
    & skf18("5","6","10","4","4","4","1") = "9"
    & skf18("5","6","10","4","4","5","1") = "9"
    & skf18("5","6","10","4","4","6","1") = "9"
    & skf18("5","6","10","4","4","7","1") = "9"
    & skf18("5","6","10","4","4","8","1") = "9"
    & skf18("5","6","10","4","4","9","1") = "9"
    & skf18("5","6","10","4","4","10","1") = "9"
    & skf18("5","6","10","4","5","1","1") = "9"
    & skf18("5","6","10","4","5","2","1") = "9"
    & skf18("5","6","10","4","5","3","1") = "9"
    & skf18("5","6","10","4","5","4","1") = "9"
    & skf18("5","6","10","4","5","5","1") = "9"
    & skf18("5","6","10","4","5","6","1") = "9"
    & skf18("5","6","10","4","5","7","1") = "9"
    & skf18("5","6","10","4","5","8","1") = "9"
    & skf18("5","6","10","4","5","9","1") = "9"
    & skf18("5","6","10","4","5","10","1") = "9"
    & skf18("5","6","10","4","6","1","1") = "9"
    & skf18("5","6","10","4","6","2","1") = "9"
    & skf18("5","6","10","4","6","3","1") = "9"
    & skf18("5","6","10","4","6","4","1") = "9"
    & skf18("5","6","10","4","6","5","1") = "9"
    & skf18("5","6","10","4","6","6","1") = "9"
    & skf18("5","6","10","4","6","7","1") = "9"
    & skf18("5","6","10","4","6","8","1") = "9"
    & skf18("5","6","10","4","6","9","1") = "9"
    & skf18("5","6","10","4","6","10","1") = "9"
    & skf18("5","6","10","4","7","1","1") = "9"
    & skf18("5","6","10","4","7","2","1") = "9"
    & skf18("5","6","10","4","7","3","1") = "9"
    & skf18("5","6","10","4","7","4","1") = "9"
    & skf18("5","6","10","4","7","5","1") = "9"
    & skf18("5","6","10","4","7","6","1") = "9"
    & skf18("5","6","10","4","7","7","1") = "9"
    & skf18("5","6","10","4","7","8","1") = "9"
    & skf18("5","6","10","4","7","9","1") = "9"
    & skf18("5","6","10","4","7","10","1") = "9"
    & skf18("5","6","10","4","8","1","1") = "9"
    & skf18("5","6","10","4","8","2","1") = "9"
    & skf18("5","6","10","4","8","3","1") = "9"
    & skf18("5","6","10","4","8","4","1") = "9"
    & skf18("5","6","10","4","8","5","1") = "9"
    & skf18("5","6","10","4","8","6","1") = "9"
    & skf18("5","6","10","4","8","7","1") = "9"
    & skf18("5","6","10","4","8","8","1") = "9"
    & skf18("5","6","10","4","8","9","1") = "9"
    & skf18("5","6","10","4","8","10","1") = "9"
    & skf18("5","6","10","4","9","1","1") = "9"
    & skf18("5","6","10","4","9","2","1") = "9"
    & skf18("5","6","10","4","9","3","1") = "9"
    & skf18("5","6","10","4","9","4","1") = "9"
    & skf18("5","6","10","4","9","5","1") = "9"
    & skf18("5","6","10","4","9","6","1") = "9"
    & skf18("5","6","10","4","9","7","1") = "9"
    & skf18("5","6","10","4","9","8","1") = "9"
    & skf18("5","6","10","4","9","9","1") = "9"
    & skf18("5","6","10","4","9","10","1") = "9"
    & skf18("5","6","10","4","10","1","1") = "9"
    & skf18("5","6","10","4","10","2","1") = "9"
    & skf18("5","6","10","4","10","3","1") = "9"
    & skf18("5","6","10","4","10","4","1") = "9"
    & skf18("5","6","10","4","10","5","1") = "9"
    & skf18("5","6","10","4","10","6","1") = "9"
    & skf18("5","6","10","4","10","7","1") = "9"
    & skf18("5","6","10","4","10","8","1") = "9"
    & skf18("5","6","10","4","10","9","1") = "9"
    & skf18("5","6","10","4","10","10","1") = "9"
    & skf18("5","6","10","5","1","1","1") = "9"
    & skf18("5","6","10","5","1","2","1") = "9"
    & skf18("5","6","10","5","1","3","1") = "9"
    & skf18("5","6","10","5","1","4","1") = "9"
    & skf18("5","6","10","5","1","5","1") = "9"
    & skf18("5","6","10","5","1","6","1") = "9"
    & skf18("5","6","10","5","1","7","1") = "9"
    & skf18("5","6","10","5","1","8","1") = "9"
    & skf18("5","6","10","5","1","9","1") = "9"
    & skf18("5","6","10","5","1","10","1") = "9"
    & skf18("5","6","10","5","2","1","1") = "9"
    & skf18("5","6","10","5","2","2","1") = "9"
    & skf18("5","6","10","5","2","3","1") = "9"
    & skf18("5","6","10","5","2","4","1") = "9"
    & skf18("5","6","10","5","2","5","1") = "9"
    & skf18("5","6","10","5","2","6","1") = "9"
    & skf18("5","6","10","5","2","7","1") = "9"
    & skf18("5","6","10","5","2","8","1") = "9"
    & skf18("5","6","10","5","2","9","1") = "9"
    & skf18("5","6","10","5","2","10","1") = "9"
    & skf18("5","6","10","5","3","1","1") = "9"
    & skf18("5","6","10","5","3","2","1") = "9"
    & skf18("5","6","10","5","3","3","1") = "9"
    & skf18("5","6","10","5","3","4","1") = "9"
    & skf18("5","6","10","5","3","5","1") = "9"
    & skf18("5","6","10","5","3","6","1") = "9"
    & skf18("5","6","10","5","3","7","1") = "9"
    & skf18("5","6","10","5","3","8","1") = "9"
    & skf18("5","6","10","5","3","9","1") = "9"
    & skf18("5","6","10","5","3","10","1") = "9"
    & skf18("5","6","10","5","4","1","1") = "9"
    & skf18("5","6","10","5","4","2","1") = "9"
    & skf18("5","6","10","5","4","3","1") = "9"
    & skf18("5","6","10","5","4","4","1") = "9"
    & skf18("5","6","10","5","4","5","1") = "9"
    & skf18("5","6","10","5","4","6","1") = "9"
    & skf18("5","6","10","5","4","7","1") = "9"
    & skf18("5","6","10","5","4","8","1") = "9"
    & skf18("5","6","10","5","4","9","1") = "9"
    & skf18("5","6","10","5","4","10","1") = "9"
    & skf18("5","6","10","5","5","1","1") = "9"
    & skf18("5","6","10","5","5","2","1") = "9"
    & skf18("5","6","10","5","5","3","1") = "9"
    & skf18("5","6","10","5","5","4","1") = "9"
    & skf18("5","6","10","5","5","5","1") = "9"
    & skf18("5","6","10","5","5","6","1") = "9"
    & skf18("5","6","10","5","5","7","1") = "9"
    & skf18("5","6","10","5","5","8","1") = "9"
    & skf18("5","6","10","5","5","9","1") = "9"
    & skf18("5","6","10","5","5","10","1") = "9"
    & skf18("5","6","10","5","6","1","1") = "9"
    & skf18("5","6","10","5","6","2","1") = "9"
    & skf18("5","6","10","5","6","3","1") = "9"
    & skf18("5","6","10","5","6","4","1") = "9"
    & skf18("5","6","10","5","6","5","1") = "9"
    & skf18("5","6","10","5","6","6","1") = "9"
    & skf18("5","6","10","5","6","7","1") = "9"
    & skf18("5","6","10","5","6","8","1") = "9"
    & skf18("5","6","10","5","6","9","1") = "9"
    & skf18("5","6","10","5","6","10","1") = "9"
    & skf18("5","6","10","5","7","1","1") = "9"
    & skf18("5","6","10","5","7","2","1") = "9"
    & skf18("5","6","10","5","7","3","1") = "9"
    & skf18("5","6","10","5","7","4","1") = "9"
    & skf18("5","6","10","5","7","5","1") = "9"
    & skf18("5","6","10","5","7","6","1") = "9"
    & skf18("5","6","10","5","7","7","1") = "9"
    & skf18("5","6","10","5","7","8","1") = "9"
    & skf18("5","6","10","5","7","9","1") = "9"
    & skf18("5","6","10","5","7","10","1") = "9"
    & skf18("5","6","10","5","8","1","1") = "9"
    & skf18("5","6","10","5","8","2","1") = "9"
    & skf18("5","6","10","5","8","3","1") = "9"
    & skf18("5","6","10","5","8","4","1") = "9"
    & skf18("5","6","10","5","8","5","1") = "9"
    & skf18("5","6","10","5","8","6","1") = "9"
    & skf18("5","6","10","5","8","7","1") = "9"
    & skf18("5","6","10","5","8","8","1") = "9"
    & skf18("5","6","10","5","8","9","1") = "9"
    & skf18("5","6","10","5","8","10","1") = "9"
    & skf18("5","6","10","5","9","1","1") = "9"
    & skf18("5","6","10","5","9","2","1") = "9"
    & skf18("5","6","10","5","9","3","1") = "9"
    & skf18("5","6","10","5","9","4","1") = "9"
    & skf18("5","6","10","5","9","5","1") = "9"
    & skf18("5","6","10","5","9","6","1") = "9"
    & skf18("5","6","10","5","9","7","1") = "9"
    & skf18("5","6","10","5","9","8","1") = "9"
    & skf18("5","6","10","5","9","9","1") = "9"
    & skf18("5","6","10","5","9","10","1") = "9"
    & skf18("5","6","10","5","10","1","1") = "9"
    & skf18("5","6","10","5","10","2","1") = "9"
    & skf18("5","6","10","5","10","3","1") = "9"
    & skf18("5","6","10","5","10","4","1") = "9"
    & skf18("5","6","10","5","10","5","1") = "9"
    & skf18("5","6","10","5","10","6","1") = "9"
    & skf18("5","6","10","5","10","7","1") = "9"
    & skf18("5","6","10","5","10","8","1") = "9"
    & skf18("5","6","10","5","10","9","1") = "9"
    & skf18("5","6","10","5","10","10","1") = "9"
    & skf18("5","6","10","6","1","1","1") = "9"
    & skf18("5","6","10","6","1","2","1") = "9"
    & skf18("5","6","10","6","1","3","1") = "9"
    & skf18("5","6","10","6","1","4","1") = "9"
    & skf18("5","6","10","6","1","5","1") = "9"
    & skf18("5","6","10","6","1","6","1") = "9"
    & skf18("5","6","10","6","1","7","1") = "9"
    & skf18("5","6","10","6","1","8","1") = "9"
    & skf18("5","6","10","6","1","9","1") = "9"
    & skf18("5","6","10","6","1","10","1") = "9"
    & skf18("5","6","10","6","2","1","1") = "9"
    & skf18("5","6","10","6","2","2","1") = "9"
    & skf18("5","6","10","6","2","3","1") = "9"
    & skf18("5","6","10","6","2","4","1") = "9"
    & skf18("5","6","10","6","2","5","1") = "9"
    & skf18("5","6","10","6","2","6","1") = "9"
    & skf18("5","6","10","6","2","7","1") = "9"
    & skf18("5","6","10","6","2","8","1") = "9"
    & skf18("5","6","10","6","2","9","1") = "9"
    & skf18("5","6","10","6","2","10","1") = "9"
    & skf18("5","6","10","6","3","1","1") = "9"
    & skf18("5","6","10","6","3","2","1") = "9"
    & skf18("5","6","10","6","3","3","1") = "9"
    & skf18("5","6","10","6","3","4","1") = "9"
    & skf18("5","6","10","6","3","5","1") = "9"
    & skf18("5","6","10","6","3","6","1") = "9"
    & skf18("5","6","10","6","3","7","1") = "9"
    & skf18("5","6","10","6","3","8","1") = "9"
    & skf18("5","6","10","6","3","9","1") = "9"
    & skf18("5","6","10","6","3","10","1") = "9"
    & skf18("5","6","10","6","4","1","1") = "9"
    & skf18("5","6","10","6","4","2","1") = "9"
    & skf18("5","6","10","6","4","3","1") = "9"
    & skf18("5","6","10","6","4","4","1") = "9"
    & skf18("5","6","10","6","4","5","1") = "9"
    & skf18("5","6","10","6","4","6","1") = "9"
    & skf18("5","6","10","6","4","7","1") = "9"
    & skf18("5","6","10","6","4","8","1") = "9"
    & skf18("5","6","10","6","4","9","1") = "9"
    & skf18("5","6","10","6","4","10","1") = "9"
    & skf18("5","6","10","6","5","1","1") = "9"
    & skf18("5","6","10","6","5","2","1") = "9"
    & skf18("5","6","10","6","5","3","1") = "9"
    & skf18("5","6","10","6","5","4","1") = "9"
    & skf18("5","6","10","6","5","5","1") = "9"
    & skf18("5","6","10","6","5","6","1") = "9"
    & skf18("5","6","10","6","5","7","1") = "9"
    & skf18("5","6","10","6","5","8","1") = "9"
    & skf18("5","6","10","6","5","9","1") = "9"
    & skf18("5","6","10","6","5","10","1") = "9"
    & skf18("5","6","10","6","6","1","1") = "9"
    & skf18("5","6","10","6","6","2","1") = "9"
    & skf18("5","6","10","6","6","3","1") = "9"
    & skf18("5","6","10","6","6","4","1") = "9"
    & skf18("5","6","10","6","6","5","1") = "9"
    & skf18("5","6","10","6","6","6","1") = "9"
    & skf18("5","6","10","6","6","7","1") = "9"
    & skf18("5","6","10","6","6","8","1") = "9"
    & skf18("5","6","10","6","6","9","1") = "9"
    & skf18("5","6","10","6","6","10","1") = "9"
    & skf18("5","6","10","6","7","1","1") = "9"
    & skf18("5","6","10","6","7","2","1") = "9"
    & skf18("5","6","10","6","7","3","1") = "9"
    & skf18("5","6","10","6","7","4","1") = "9"
    & skf18("5","6","10","6","7","5","1") = "9"
    & skf18("5","6","10","6","7","6","1") = "9"
    & skf18("5","6","10","6","7","7","1") = "9"
    & skf18("5","6","10","6","7","8","1") = "9"
    & skf18("5","6","10","6","7","9","1") = "9"
    & skf18("5","6","10","6","7","10","1") = "9"
    & skf18("5","6","10","6","8","1","1") = "9"
    & skf18("5","6","10","6","8","2","1") = "9"
    & skf18("5","6","10","6","8","3","1") = "9"
    & skf18("5","6","10","6","8","4","1") = "9"
    & skf18("5","6","10","6","8","5","1") = "9"
    & skf18("5","6","10","6","8","6","1") = "9"
    & skf18("5","6","10","6","8","7","1") = "9"
    & skf18("5","6","10","6","8","8","1") = "9"
    & skf18("5","6","10","6","8","9","1") = "9"
    & skf18("5","6","10","6","8","10","1") = "9"
    & skf18("5","6","10","6","9","1","1") = "9"
    & skf18("5","6","10","6","9","2","1") = "9"
    & skf18("5","6","10","6","9","3","1") = "9"
    & skf18("5","6","10","6","9","4","1") = "9"
    & skf18("5","6","10","6","9","5","1") = "9"
    & skf18("5","6","10","6","9","6","1") = "9"
    & skf18("5","6","10","6","9","7","1") = "9"
    & skf18("5","6","10","6","9","8","1") = "9"
    & skf18("5","6","10","6","9","9","1") = "9"
    & skf18("5","6","10","6","9","10","1") = "9"
    & skf18("5","6","10","6","10","1","1") = "9"
    & skf18("5","6","10","6","10","2","1") = "9"
    & skf18("5","6","10","6","10","3","1") = "9"
    & skf18("5","6","10","6","10","4","1") = "9"
    & skf18("5","6","10","6","10","5","1") = "9"
    & skf18("5","6","10","6","10","6","1") = "9"
    & skf18("5","6","10","6","10","7","1") = "9"
    & skf18("5","6","10","6","10","8","1") = "9"
    & skf18("5","6","10","6","10","9","1") = "9"
    & skf18("5","6","10","6","10","10","1") = "9"
    & skf18("5","6","10","7","1","1","1") = "9"
    & skf18("5","6","10","7","1","2","1") = "9"
    & skf18("5","6","10","7","1","3","1") = "9"
    & skf18("5","6","10","7","1","4","1") = "9"
    & skf18("5","6","10","7","1","5","1") = "9"
    & skf18("5","6","10","7","1","6","1") = "9"
    & skf18("5","6","10","7","1","7","1") = "9"
    & skf18("5","6","10","7","1","8","1") = "9"
    & skf18("5","6","10","7","1","9","1") = "9"
    & skf18("5","6","10","7","1","10","1") = "9"
    & skf18("5","6","10","7","2","1","1") = "9"
    & skf18("5","6","10","7","2","2","1") = "9"
    & skf18("5","6","10","7","2","3","1") = "9"
    & skf18("5","6","10","7","2","4","1") = "9"
    & skf18("5","6","10","7","2","5","1") = "9"
    & skf18("5","6","10","7","2","6","1") = "9"
    & skf18("5","6","10","7","2","7","1") = "9"
    & skf18("5","6","10","7","2","8","1") = "9"
    & skf18("5","6","10","7","2","9","1") = "9"
    & skf18("5","6","10","7","2","10","1") = "9"
    & skf18("5","6","10","7","3","1","1") = "9"
    & skf18("5","6","10","7","3","2","1") = "9"
    & skf18("5","6","10","7","3","3","1") = "9"
    & skf18("5","6","10","7","3","4","1") = "9"
    & skf18("5","6","10","7","3","5","1") = "9"
    & skf18("5","6","10","7","3","6","1") = "9"
    & skf18("5","6","10","7","3","7","1") = "9"
    & skf18("5","6","10","7","3","8","1") = "9"
    & skf18("5","6","10","7","3","9","1") = "9"
    & skf18("5","6","10","7","3","10","1") = "9"
    & skf18("5","6","10","7","4","1","1") = "9"
    & skf18("5","6","10","7","4","2","1") = "9"
    & skf18("5","6","10","7","4","3","1") = "9"
    & skf18("5","6","10","7","4","4","1") = "9"
    & skf18("5","6","10","7","4","5","1") = "9"
    & skf18("5","6","10","7","4","6","1") = "9"
    & skf18("5","6","10","7","4","7","1") = "9"
    & skf18("5","6","10","7","4","8","1") = "9"
    & skf18("5","6","10","7","4","9","1") = "9"
    & skf18("5","6","10","7","4","10","1") = "9"
    & skf18("5","6","10","7","5","1","1") = "9"
    & skf18("5","6","10","7","5","2","1") = "9"
    & skf18("5","6","10","7","5","3","1") = "9"
    & skf18("5","6","10","7","5","4","1") = "9"
    & skf18("5","6","10","7","5","5","1") = "9"
    & skf18("5","6","10","7","5","6","1") = "9"
    & skf18("5","6","10","7","5","7","1") = "9"
    & skf18("5","6","10","7","5","8","1") = "9"
    & skf18("5","6","10","7","5","9","1") = "9"
    & skf18("5","6","10","7","5","10","1") = "9"
    & skf18("5","6","10","7","6","1","1") = "9"
    & skf18("5","6","10","7","6","2","1") = "9"
    & skf18("5","6","10","7","6","3","1") = "9"
    & skf18("5","6","10","7","6","4","1") = "9"
    & skf18("5","6","10","7","6","5","1") = "9"
    & skf18("5","6","10","7","6","6","1") = "9"
    & skf18("5","6","10","7","6","7","1") = "9"
    & skf18("5","6","10","7","6","8","1") = "9"
    & skf18("5","6","10","7","6","9","1") = "9"
    & skf18("5","6","10","7","6","10","1") = "9"
    & skf18("5","6","10","7","7","1","1") = "9"
    & skf18("5","6","10","7","7","2","1") = "9"
    & skf18("5","6","10","7","7","3","1") = "9"
    & skf18("5","6","10","7","7","4","1") = "9"
    & skf18("5","6","10","7","7","5","1") = "9"
    & skf18("5","6","10","7","7","6","1") = "9"
    & skf18("5","6","10","7","7","7","1") = "9"
    & skf18("5","6","10","7","7","8","1") = "9"
    & skf18("5","6","10","7","7","9","1") = "9"
    & skf18("5","6","10","7","7","10","1") = "9"
    & skf18("5","6","10","7","8","1","1") = "9"
    & skf18("5","6","10","7","8","2","1") = "9"
    & skf18("5","6","10","7","8","3","1") = "9"
    & skf18("5","6","10","7","8","4","1") = "9"
    & skf18("5","6","10","7","8","5","1") = "9"
    & skf18("5","6","10","7","8","6","1") = "9"
    & skf18("5","6","10","7","8","7","1") = "9"
    & skf18("5","6","10","7","8","8","1") = "9"
    & skf18("5","6","10","7","8","9","1") = "9"
    & skf18("5","6","10","7","8","10","1") = "9"
    & skf18("5","6","10","7","9","1","1") = "9"
    & skf18("5","6","10","7","9","2","1") = "9"
    & skf18("5","6","10","7","9","3","1") = "9"
    & skf18("5","6","10","7","9","4","1") = "9"
    & skf18("5","6","10","7","9","5","1") = "9"
    & skf18("5","6","10","7","9","6","1") = "9"
    & skf18("5","6","10","7","9","7","1") = "9"
    & skf18("5","6","10","7","9","8","1") = "9"
    & skf18("5","6","10","7","9","9","1") = "9"
    & skf18("5","6","10","7","9","10","1") = "9"
    & skf18("5","6","10","7","10","1","1") = "9"
    & skf18("5","6","10","7","10","2","1") = "9"
    & skf18("5","6","10","7","10","3","1") = "9"
    & skf18("5","6","10","7","10","4","1") = "9"
    & skf18("5","6","10","7","10","5","1") = "9"
    & skf18("5","6","10","7","10","6","1") = "9"
    & skf18("5","6","10","7","10","7","1") = "9"
    & skf18("5","6","10","7","10","8","1") = "9"
    & skf18("5","6","10","7","10","9","1") = "9"
    & skf18("5","6","10","7","10","10","1") = "9"
    & skf18("5","6","10","8","1","1","1") = "9"
    & skf18("5","6","10","8","1","2","1") = "9"
    & skf18("5","6","10","8","1","3","1") = "9"
    & skf18("5","6","10","8","1","4","1") = "9"
    & skf18("5","6","10","8","1","5","1") = "9"
    & skf18("5","6","10","8","1","6","1") = "9"
    & skf18("5","6","10","8","1","7","1") = "9"
    & skf18("5","6","10","8","1","8","1") = "9"
    & skf18("5","6","10","8","1","9","1") = "9"
    & skf18("5","6","10","8","1","10","1") = "9"
    & skf18("5","6","10","8","2","1","1") = "9"
    & skf18("5","6","10","8","2","2","1") = "9"
    & skf18("5","6","10","8","2","3","1") = "9"
    & skf18("5","6","10","8","2","4","1") = "9"
    & skf18("5","6","10","8","2","5","1") = "9"
    & skf18("5","6","10","8","2","6","1") = "9"
    & skf18("5","6","10","8","2","7","1") = "9"
    & skf18("5","6","10","8","2","8","1") = "9"
    & skf18("5","6","10","8","2","9","1") = "9"
    & skf18("5","6","10","8","2","10","1") = "9"
    & skf18("5","6","10","8","3","1","1") = "9"
    & skf18("5","6","10","8","3","2","1") = "9"
    & skf18("5","6","10","8","3","3","1") = "9"
    & skf18("5","6","10","8","3","4","1") = "9"
    & skf18("5","6","10","8","3","5","1") = "9"
    & skf18("5","6","10","8","3","6","1") = "9"
    & skf18("5","6","10","8","3","7","1") = "9"
    & skf18("5","6","10","8","3","8","1") = "9"
    & skf18("5","6","10","8","3","9","1") = "9"
    & skf18("5","6","10","8","3","10","1") = "9"
    & skf18("5","6","10","8","4","1","1") = "9"
    & skf18("5","6","10","8","4","2","1") = "9"
    & skf18("5","6","10","8","4","3","1") = "9"
    & skf18("5","6","10","8","4","4","1") = "9"
    & skf18("5","6","10","8","4","5","1") = "9"
    & skf18("5","6","10","8","4","6","1") = "9"
    & skf18("5","6","10","8","4","7","1") = "9"
    & skf18("5","6","10","8","4","8","1") = "9"
    & skf18("5","6","10","8","4","9","1") = "9"
    & skf18("5","6","10","8","4","10","1") = "9"
    & skf18("5","6","10","8","5","1","1") = "9"
    & skf18("5","6","10","8","5","2","1") = "9"
    & skf18("5","6","10","8","5","3","1") = "9"
    & skf18("5","6","10","8","5","4","1") = "9"
    & skf18("5","6","10","8","5","5","1") = "9"
    & skf18("5","6","10","8","5","6","1") = "9"
    & skf18("5","6","10","8","5","7","1") = "9"
    & skf18("5","6","10","8","5","8","1") = "9"
    & skf18("5","6","10","8","5","9","1") = "9"
    & skf18("5","6","10","8","5","10","1") = "9"
    & skf18("5","6","10","8","6","1","1") = "9"
    & skf18("5","6","10","8","6","2","1") = "9"
    & skf18("5","6","10","8","6","3","1") = "9"
    & skf18("5","6","10","8","6","4","1") = "9"
    & skf18("5","6","10","8","6","5","1") = "9"
    & skf18("5","6","10","8","6","6","1") = "9"
    & skf18("5","6","10","8","6","7","1") = "9"
    & skf18("5","6","10","8","6","8","1") = "9"
    & skf18("5","6","10","8","6","9","1") = "9"
    & skf18("5","6","10","8","6","10","1") = "9"
    & skf18("5","6","10","8","7","1","1") = "9"
    & skf18("5","6","10","8","7","2","1") = "9"
    & skf18("5","6","10","8","7","3","1") = "9"
    & skf18("5","6","10","8","7","4","1") = "9"
    & skf18("5","6","10","8","7","5","1") = "9"
    & skf18("5","6","10","8","7","6","1") = "9"
    & skf18("5","6","10","8","7","7","1") = "9"
    & skf18("5","6","10","8","7","8","1") = "9"
    & skf18("5","6","10","8","7","9","1") = "9"
    & skf18("5","6","10","8","7","10","1") = "9"
    & skf18("5","6","10","8","8","1","1") = "9"
    & skf18("5","6","10","8","8","2","1") = "9"
    & skf18("5","6","10","8","8","3","1") = "9"
    & skf18("5","6","10","8","8","4","1") = "9"
    & skf18("5","6","10","8","8","5","1") = "9"
    & skf18("5","6","10","8","8","6","1") = "9"
    & skf18("5","6","10","8","8","7","1") = "9"
    & skf18("5","6","10","8","8","8","1") = "9"
    & skf18("5","6","10","8","8","9","1") = "9"
    & skf18("5","6","10","8","8","10","1") = "9"
    & skf18("5","6","10","8","9","1","1") = "9"
    & skf18("5","6","10","8","9","2","1") = "9"
    & skf18("5","6","10","8","9","3","1") = "9"
    & skf18("5","6","10","8","9","4","1") = "9"
    & skf18("5","6","10","8","9","5","1") = "9"
    & skf18("5","6","10","8","9","6","1") = "9"
    & skf18("5","6","10","8","9","7","1") = "9"
    & skf18("5","6","10","8","9","8","1") = "9"
    & skf18("5","6","10","8","9","9","1") = "9"
    & skf18("5","6","10","8","9","10","1") = "9"
    & skf18("5","6","10","8","10","1","1") = "9"
    & skf18("5","6","10","8","10","2","1") = "9"
    & skf18("5","6","10","8","10","3","1") = "9"
    & skf18("5","6","10","8","10","4","1") = "9"
    & skf18("5","6","10","8","10","5","1") = "9"
    & skf18("5","6","10","8","10","6","1") = "9"
    & skf18("5","6","10","8","10","7","1") = "9"
    & skf18("5","6","10","8","10","8","1") = "9"
    & skf18("5","6","10","8","10","9","1") = "9"
    & skf18("5","6","10","8","10","10","1") = "9"
    & skf18("5","6","10","9","1","1","1") = "9"
    & skf18("5","6","10","9","1","2","1") = "9"
    & skf18("5","6","10","9","1","3","1") = "9"
    & skf18("5","6","10","9","1","4","1") = "9"
    & skf18("5","6","10","9","1","5","1") = "9"
    & skf18("5","6","10","9","1","6","1") = "9"
    & skf18("5","6","10","9","1","7","1") = "9"
    & skf18("5","6","10","9","1","8","1") = "9"
    & skf18("5","6","10","9","1","9","1") = "9"
    & skf18("5","6","10","9","1","10","1") = "9"
    & skf18("5","6","10","9","2","1","1") = "9"
    & skf18("5","6","10","9","2","2","1") = "9"
    & skf18("5","6","10","9","2","3","1") = "9"
    & skf18("5","6","10","9","2","4","1") = "9"
    & skf18("5","6","10","9","2","5","1") = "9"
    & skf18("5","6","10","9","2","6","1") = "9"
    & skf18("5","6","10","9","2","7","1") = "9"
    & skf18("5","6","10","9","2","8","1") = "9"
    & skf18("5","6","10","9","2","9","1") = "9"
    & skf18("5","6","10","9","2","10","1") = "9"
    & skf18("5","6","10","9","3","1","1") = "9"
    & skf18("5","6","10","9","3","2","1") = "9"
    & skf18("5","6","10","9","3","3","1") = "9"
    & skf18("5","6","10","9","3","4","1") = "9"
    & skf18("5","6","10","9","3","5","1") = "9"
    & skf18("5","6","10","9","3","6","1") = "9"
    & skf18("5","6","10","9","3","7","1") = "9"
    & skf18("5","6","10","9","3","8","1") = "9"
    & skf18("5","6","10","9","3","9","1") = "9"
    & skf18("5","6","10","9","3","10","1") = "9"
    & skf18("5","6","10","9","4","1","1") = "9"
    & skf18("5","6","10","9","4","2","1") = "9"
    & skf18("5","6","10","9","4","3","1") = "9"
    & skf18("5","6","10","9","4","4","1") = "9"
    & skf18("5","6","10","9","4","5","1") = "9"
    & skf18("5","6","10","9","4","6","1") = "9"
    & skf18("5","6","10","9","4","7","1") = "9"
    & skf18("5","6","10","9","4","8","1") = "9"
    & skf18("5","6","10","9","4","9","1") = "9"
    & skf18("5","6","10","9","4","10","1") = "9"
    & skf18("5","6","10","9","5","1","1") = "9"
    & skf18("5","6","10","9","5","2","1") = "9"
    & skf18("5","6","10","9","5","3","1") = "9"
    & skf18("5","6","10","9","5","4","1") = "9"
    & skf18("5","6","10","9","5","5","1") = "9"
    & skf18("5","6","10","9","5","6","1") = "9"
    & skf18("5","6","10","9","5","7","1") = "9"
    & skf18("5","6","10","9","5","8","1") = "9"
    & skf18("5","6","10","9","5","9","1") = "9"
    & skf18("5","6","10","9","5","10","1") = "9"
    & skf18("5","6","10","9","6","1","1") = "9"
    & skf18("5","6","10","9","6","2","1") = "9"
    & skf18("5","6","10","9","6","3","1") = "9"
    & skf18("5","6","10","9","6","4","1") = "9"
    & skf18("5","6","10","9","6","5","1") = "9"
    & skf18("5","6","10","9","6","6","1") = "9"
    & skf18("5","6","10","9","6","7","1") = "9"
    & skf18("5","6","10","9","6","8","1") = "9"
    & skf18("5","6","10","9","6","9","1") = "9"
    & skf18("5","6","10","9","6","10","1") = "9"
    & skf18("5","6","10","9","7","1","1") = "9"
    & skf18("5","6","10","9","7","2","1") = "9"
    & skf18("5","6","10","9","7","3","1") = "9"
    & skf18("5","6","10","9","7","4","1") = "9"
    & skf18("5","6","10","9","7","5","1") = "9"
    & skf18("5","6","10","9","7","6","1") = "9"
    & skf18("5","6","10","9","7","7","1") = "9"
    & skf18("5","6","10","9","7","8","1") = "9"
    & skf18("5","6","10","9","7","9","1") = "9"
    & skf18("5","6","10","9","7","10","1") = "9"
    & skf18("5","6","10","9","8","1","1") = "9"
    & skf18("5","6","10","9","8","2","1") = "9"
    & skf18("5","6","10","9","8","3","1") = "9"
    & skf18("5","6","10","9","8","4","1") = "9"
    & skf18("5","6","10","9","8","5","1") = "9"
    & skf18("5","6","10","9","8","6","1") = "9"
    & skf18("5","6","10","9","8","7","1") = "9"
    & skf18("5","6","10","9","8","8","1") = "9"
    & skf18("5","6","10","9","8","9","1") = "9"
    & skf18("5","6","10","9","8","10","1") = "9"
    & skf18("5","6","10","9","9","1","1") = "9"
    & skf18("5","6","10","9","9","2","1") = "9"
    & skf18("5","6","10","9","9","3","1") = "9"
    & skf18("5","6","10","9","9","4","1") = "9"
    & skf18("5","6","10","9","9","5","1") = "9"
    & skf18("5","6","10","9","9","6","1") = "9"
    & skf18("5","6","10","9","9","7","1") = "9"
    & skf18("5","6","10","9","9","8","1") = "9"
    & skf18("5","6","10","9","9","9","1") = "9"
    & skf18("5","6","10","9","9","10","1") = "9"
    & skf18("5","6","10","9","10","1","1") = "9"
    & skf18("5","6","10","9","10","2","1") = "9"
    & skf18("5","6","10","9","10","3","1") = "9"
    & skf18("5","6","10","9","10","4","1") = "9"
    & skf18("5","6","10","9","10","5","1") = "9"
    & skf18("5","6","10","9","10","6","1") = "9"
    & skf18("5","6","10","9","10","7","1") = "9"
    & skf18("5","6","10","9","10","8","1") = "9"
    & skf18("5","6","10","9","10","9","1") = "9"
    & skf18("5","6","10","9","10","10","1") = "9"
    & skf18("5","6","10","10","1","1","1") = "9"
    & skf18("5","6","10","10","1","2","1") = "9"
    & skf18("5","6","10","10","1","3","1") = "9"
    & skf18("5","6","10","10","1","4","1") = "9"
    & skf18("5","6","10","10","1","5","1") = "9"
    & skf18("5","6","10","10","1","6","1") = "9"
    & skf18("5","6","10","10","1","7","1") = "9"
    & skf18("5","6","10","10","1","8","1") = "9"
    & skf18("5","6","10","10","1","9","1") = "9"
    & skf18("5","6","10","10","1","10","1") = "9"
    & skf18("5","6","10","10","2","1","1") = "9"
    & skf18("5","6","10","10","2","2","1") = "9"
    & skf18("5","6","10","10","2","3","1") = "9"
    & skf18("5","6","10","10","2","4","1") = "9"
    & skf18("5","6","10","10","2","5","1") = "9"
    & skf18("5","6","10","10","2","6","1") = "9"
    & skf18("5","6","10","10","2","7","1") = "9"
    & skf18("5","6","10","10","2","8","1") = "9"
    & skf18("5","6","10","10","2","9","1") = "9"
    & skf18("5","6","10","10","2","10","1") = "9"
    & skf18("5","6","10","10","3","1","1") = "9"
    & skf18("5","6","10","10","3","2","1") = "9"
    & skf18("5","6","10","10","3","3","1") = "9"
    & skf18("5","6","10","10","3","4","1") = "9"
    & skf18("5","6","10","10","3","5","1") = "9"
    & skf18("5","6","10","10","3","6","1") = "9"
    & skf18("5","6","10","10","3","7","1") = "9"
    & skf18("5","6","10","10","3","8","1") = "9"
    & skf18("5","6","10","10","3","9","1") = "9"
    & skf18("5","6","10","10","3","10","1") = "9"
    & skf18("5","6","10","10","4","1","1") = "9"
    & skf18("5","6","10","10","4","2","1") = "9"
    & skf18("5","6","10","10","4","3","1") = "9"
    & skf18("5","6","10","10","4","4","1") = "9"
    & skf18("5","6","10","10","4","5","1") = "9"
    & skf18("5","6","10","10","4","6","1") = "9"
    & skf18("5","6","10","10","4","7","1") = "9"
    & skf18("5","6","10","10","4","8","1") = "9"
    & skf18("5","6","10","10","4","9","1") = "9"
    & skf18("5","6","10","10","4","10","1") = "9"
    & skf18("5","6","10","10","5","1","1") = "9"
    & skf18("5","6","10","10","5","2","1") = "9"
    & skf18("5","6","10","10","5","3","1") = "9"
    & skf18("5","6","10","10","5","4","1") = "9"
    & skf18("5","6","10","10","5","5","1") = "9"
    & skf18("5","6","10","10","5","6","1") = "9"
    & skf18("5","6","10","10","5","7","1") = "9"
    & skf18("5","6","10","10","5","8","1") = "9"
    & skf18("5","6","10","10","5","9","1") = "9"
    & skf18("5","6","10","10","5","10","1") = "9"
    & skf18("5","6","10","10","6","1","1") = "9"
    & skf18("5","6","10","10","6","2","1") = "9"
    & skf18("5","6","10","10","6","3","1") = "9"
    & skf18("5","6","10","10","6","4","1") = "9"
    & skf18("5","6","10","10","6","5","1") = "9"
    & skf18("5","6","10","10","6","6","1") = "9"
    & skf18("5","6","10","10","6","7","1") = "9"
    & skf18("5","6","10","10","6","8","1") = "9"
    & skf18("5","6","10","10","6","9","1") = "9"
    & skf18("5","6","10","10","6","10","1") = "9"
    & skf18("5","6","10","10","7","1","1") = "9"
    & skf18("5","6","10","10","7","2","1") = "9"
    & skf18("5","6","10","10","7","3","1") = "9"
    & skf18("5","6","10","10","7","4","1") = "9"
    & skf18("5","6","10","10","7","5","1") = "9"
    & skf18("5","6","10","10","7","6","1") = "9"
    & skf18("5","6","10","10","7","7","1") = "9"
    & skf18("5","6","10","10","7","8","1") = "9"
    & skf18("5","6","10","10","7","9","1") = "9"
    & skf18("5","6","10","10","7","10","1") = "9"
    & skf18("5","6","10","10","8","1","1") = "9"
    & skf18("5","6","10","10","8","2","1") = "9"
    & skf18("5","6","10","10","8","3","1") = "9"
    & skf18("5","6","10","10","8","4","1") = "9"
    & skf18("5","6","10","10","8","5","1") = "9"
    & skf18("5","6","10","10","8","6","1") = "9"
    & skf18("5","6","10","10","8","7","1") = "9"
    & skf18("5","6","10","10","8","8","1") = "9"
    & skf18("5","6","10","10","8","9","1") = "9"
    & skf18("5","6","10","10","8","10","1") = "9"
    & skf18("5","6","10","10","9","1","1") = "9"
    & skf18("5","6","10","10","9","2","1") = "9"
    & skf18("5","6","10","10","9","3","1") = "9"
    & skf18("5","6","10","10","9","4","1") = "9"
    & skf18("5","6","10","10","9","5","1") = "9"
    & skf18("5","6","10","10","9","6","1") = "9"
    & skf18("5","6","10","10","9","7","1") = "9"
    & skf18("5","6","10","10","9","8","1") = "9"
    & skf18("5","6","10","10","9","9","1") = "9"
    & skf18("5","6","10","10","9","10","1") = "9"
    & skf18("5","6","10","10","10","1","1") = "9"
    & skf18("5","6","10","10","10","2","1") = "9"
    & skf18("5","6","10","10","10","3","1") = "9"
    & skf18("5","6","10","10","10","4","1") = "9"
    & skf18("5","6","10","10","10","5","1") = "9"
    & skf18("5","6","10","10","10","6","1") = "9"
    & skf18("5","6","10","10","10","7","1") = "9"
    & skf18("5","6","10","10","10","8","1") = "9"
    & skf18("5","6","10","10","10","9","1") = "9"
    & skf18("5","6","10","10","10","10","1") = "9"
    & skf18("5","7","1","1","1","1","1") = "6"
    & skf18("5","7","1","1","1","2","1") = "6"
    & skf18("5","7","1","1","1","3","1") = "6"
    & skf18("5","7","1","1","1","4","1") = "6"
    & skf18("5","7","1","1","1","5","1") = "6"
    & skf18("5","7","1","1","1","6","1") = "6"
    & skf18("5","7","1","1","1","7","1") = "6"
    & skf18("5","7","1","1","1","8","1") = "7"
    & skf18("5","7","1","1","1","9","1") = "8"
    & skf18("5","7","1","1","1","10","1") = "9"
    & skf18("5","7","1","1","2","1","1") = "6"
    & skf18("5","7","1","1","2","2","1") = "6"
    & skf18("5","7","1","1","2","3","1") = "6"
    & skf18("5","7","1","1","2","4","1") = "6"
    & skf18("5","7","1","1","2","5","1") = "6"
    & skf18("5","7","1","1","2","6","1") = "6"
    & skf18("5","7","1","1","2","7","1") = "6"
    & skf18("5","7","1","1","2","8","1") = "7"
    & skf18("5","7","1","1","2","9","1") = "8"
    & skf18("5","7","1","1","2","10","1") = "9"
    & skf18("5","7","1","1","3","1","1") = "6"
    & skf18("5","7","1","1","3","2","1") = "6"
    & skf18("5","7","1","1","3","3","1") = "6"
    & skf18("5","7","1","1","3","4","1") = "6"
    & skf18("5","7","1","1","3","5","1") = "6"
    & skf18("5","7","1","1","3","6","1") = "6"
    & skf18("5","7","1","1","3","7","1") = "6"
    & skf18("5","7","1","1","3","8","1") = "7"
    & skf18("5","7","1","1","3","9","1") = "8"
    & skf18("5","7","1","1","3","10","1") = "9"
    & skf18("5","7","1","1","4","1","1") = "6"
    & skf18("5","7","1","1","4","2","1") = "6"
    & skf18("5","7","1","1","4","3","1") = "6"
    & skf18("5","7","1","1","4","4","1") = "6"
    & skf18("5","7","1","1","4","5","1") = "6"
    & skf18("5","7","1","1","4","6","1") = "6"
    & skf18("5","7","1","1","4","7","1") = "6"
    & skf18("5","7","1","1","4","8","1") = "7"
    & skf18("5","7","1","1","4","9","1") = "8"
    & skf18("5","7","1","1","4","10","1") = "9"
    & skf18("5","7","1","1","5","1","1") = "6"
    & skf18("5","7","1","1","5","2","1") = "6"
    & skf18("5","7","1","1","5","3","1") = "6"
    & skf18("5","7","1","1","5","4","1") = "6"
    & skf18("5","7","1","1","5","5","1") = "6"
    & skf18("5","7","1","1","5","6","1") = "6"
    & skf18("5","7","1","1","5","7","1") = "6"
    & skf18("5","7","1","1","5","8","1") = "7"
    & skf18("5","7","1","1","5","9","1") = "8"
    & skf18("5","7","1","1","5","10","1") = "9"
    & skf18("5","7","1","1","6","1","1") = "6"
    & skf18("5","7","1","1","6","2","1") = "6"
    & skf18("5","7","1","1","6","3","1") = "6"
    & skf18("5","7","1","1","6","4","1") = "6"
    & skf18("5","7","1","1","6","5","1") = "6"
    & skf18("5","7","1","1","6","6","1") = "6"
    & skf18("5","7","1","1","6","7","1") = "6"
    & skf18("5","7","1","1","6","8","1") = "7"
    & skf18("5","7","1","1","6","9","1") = "8"
    & skf18("5","7","1","1","6","10","1") = "9"
    & skf18("5","7","1","1","7","1","1") = "6"
    & skf18("5","7","1","1","7","2","1") = "6"
    & skf18("5","7","1","1","7","3","1") = "6"
    & skf18("5","7","1","1","7","4","1") = "6"
    & skf18("5","7","1","1","7","5","1") = "6"
    & skf18("5","7","1","1","7","6","1") = "6"
    & skf18("5","7","1","1","7","7","1") = "6"
    & skf18("5","7","1","1","7","8","1") = "7"
    & skf18("5","7","1","1","7","9","1") = "8"
    & skf18("5","7","1","1","7","10","1") = "9"
    & skf18("5","7","1","1","8","1","1") = "7"
    & skf18("5","7","1","1","8","2","1") = "7"
    & skf18("5","7","1","1","8","3","1") = "7"
    & skf18("5","7","1","1","8","4","1") = "7"
    & skf18("5","7","1","1","8","5","1") = "7"
    & skf18("5","7","1","1","8","6","1") = "7"
    & skf18("5","7","1","1","8","7","1") = "7"
    & skf18("5","7","1","1","8","8","1") = "7"
    & skf18("5","7","1","1","8","9","1") = "8"
    & skf18("5","7","1","1","8","10","1") = "9"
    & skf18("5","7","1","1","9","1","1") = "8"
    & skf18("5","7","1","1","9","2","1") = "8"
    & skf18("5","7","1","1","9","3","1") = "8"
    & skf18("5","7","1","1","9","4","1") = "8"
    & skf18("5","7","1","1","9","5","1") = "8"
    & skf18("5","7","1","1","9","6","1") = "8"
    & skf18("5","7","1","1","9","7","1") = "8"
    & skf18("5","7","1","1","9","8","1") = "8"
    & skf18("5","7","1","1","9","9","1") = "8"
    & skf18("5","7","1","1","9","10","1") = "9"
    & skf18("5","7","1","1","10","1","1") = "9"
    & skf18("5","7","1","1","10","2","1") = "9"
    & skf18("5","7","1","1","10","3","1") = "9"
    & skf18("5","7","1","1","10","4","1") = "9"
    & skf18("5","7","1","1","10","5","1") = "9"
    & skf18("5","7","1","1","10","6","1") = "9"
    & skf18("5","7","1","1","10","7","1") = "9"
    & skf18("5","7","1","1","10","8","1") = "9"
    & skf18("5","7","1","1","10","9","1") = "9"
    & skf18("5","7","1","1","10","10","1") = "9"
    & skf18("5","7","1","2","1","1","1") = "6"
    & skf18("5","7","1","2","1","2","1") = "6"
    & skf18("5","7","1","2","1","3","1") = "6"
    & skf18("5","7","1","2","1","4","1") = "6"
    & skf18("5","7","1","2","1","5","1") = "6"
    & skf18("5","7","1","2","1","6","1") = "6"
    & skf18("5","7","1","2","1","7","1") = "6"
    & skf18("5","7","1","2","1","8","1") = "7"
    & skf18("5","7","1","2","1","9","1") = "8"
    & skf18("5","7","1","2","1","10","1") = "9"
    & skf18("5","7","1","2","2","1","1") = "6"
    & skf18("5","7","1","2","2","2","1") = "6"
    & skf18("5","7","1","2","2","3","1") = "6"
    & skf18("5","7","1","2","2","4","1") = "6"
    & skf18("5","7","1","2","2","5","1") = "6"
    & skf18("5","7","1","2","2","6","1") = "6"
    & skf18("5","7","1","2","2","7","1") = "6"
    & skf18("5","7","1","2","2","8","1") = "7"
    & skf18("5","7","1","2","2","9","1") = "8"
    & skf18("5","7","1","2","2","10","1") = "9"
    & skf18("5","7","1","2","3","1","1") = "6"
    & skf18("5","7","1","2","3","2","1") = "6"
    & skf18("5","7","1","2","3","3","1") = "6"
    & skf18("5","7","1","2","3","4","1") = "6"
    & skf18("5","7","1","2","3","5","1") = "6"
    & skf18("5","7","1","2","3","6","1") = "6"
    & skf18("5","7","1","2","3","7","1") = "6"
    & skf18("5","7","1","2","3","8","1") = "7"
    & skf18("5","7","1","2","3","9","1") = "8"
    & skf18("5","7","1","2","3","10","1") = "9"
    & skf18("5","7","1","2","4","1","1") = "6"
    & skf18("5","7","1","2","4","2","1") = "6"
    & skf18("5","7","1","2","4","3","1") = "6"
    & skf18("5","7","1","2","4","4","1") = "6"
    & skf18("5","7","1","2","4","5","1") = "6"
    & skf18("5","7","1","2","4","6","1") = "6"
    & skf18("5","7","1","2","4","7","1") = "6"
    & skf18("5","7","1","2","4","8","1") = "7"
    & skf18("5","7","1","2","4","9","1") = "8"
    & skf18("5","7","1","2","4","10","1") = "9"
    & skf18("5","7","1","2","5","1","1") = "6"
    & skf18("5","7","1","2","5","2","1") = "6"
    & skf18("5","7","1","2","5","3","1") = "6"
    & skf18("5","7","1","2","5","4","1") = "6"
    & skf18("5","7","1","2","5","5","1") = "6"
    & skf18("5","7","1","2","5","6","1") = "6"
    & skf18("5","7","1","2","5","7","1") = "6"
    & skf18("5","7","1","2","5","8","1") = "7"
    & skf18("5","7","1","2","5","9","1") = "8"
    & skf18("5","7","1","2","5","10","1") = "9"
    & skf18("5","7","1","2","6","1","1") = "6"
    & skf18("5","7","1","2","6","2","1") = "6"
    & skf18("5","7","1","2","6","3","1") = "6"
    & skf18("5","7","1","2","6","4","1") = "6"
    & skf18("5","7","1","2","6","5","1") = "6"
    & skf18("5","7","1","2","6","6","1") = "6"
    & skf18("5","7","1","2","6","7","1") = "6"
    & skf18("5","7","1","2","6","8","1") = "7"
    & skf18("5","7","1","2","6","9","1") = "8"
    & skf18("5","7","1","2","6","10","1") = "9"
    & skf18("5","7","1","2","7","1","1") = "6"
    & skf18("5","7","1","2","7","2","1") = "6"
    & skf18("5","7","1","2","7","3","1") = "6"
    & skf18("5","7","1","2","7","4","1") = "6"
    & skf18("5","7","1","2","7","5","1") = "6"
    & skf18("5","7","1","2","7","6","1") = "6"
    & skf18("5","7","1","2","7","7","1") = "6"
    & skf18("5","7","1","2","7","8","1") = "7"
    & skf18("5","7","1","2","7","9","1") = "8"
    & skf18("5","7","1","2","7","10","1") = "9"
    & skf18("5","7","1","2","8","1","1") = "7"
    & skf18("5","7","1","2","8","2","1") = "7"
    & skf18("5","7","1","2","8","3","1") = "7"
    & skf18("5","7","1","2","8","4","1") = "7"
    & skf18("5","7","1","2","8","5","1") = "7"
    & skf18("5","7","1","2","8","6","1") = "7"
    & skf18("5","7","1","2","8","7","1") = "7"
    & skf18("5","7","1","2","8","8","1") = "7"
    & skf18("5","7","1","2","8","9","1") = "8"
    & skf18("5","7","1","2","8","10","1") = "9"
    & skf18("5","7","1","2","9","1","1") = "8"
    & skf18("5","7","1","2","9","2","1") = "8"
    & skf18("5","7","1","2","9","3","1") = "8"
    & skf18("5","7","1","2","9","4","1") = "8"
    & skf18("5","7","1","2","9","5","1") = "8"
    & skf18("5","7","1","2","9","6","1") = "8"
    & skf18("5","7","1","2","9","7","1") = "8"
    & skf18("5","7","1","2","9","8","1") = "8"
    & skf18("5","7","1","2","9","9","1") = "8"
    & skf18("5","7","1","2","9","10","1") = "9"
    & skf18("5","7","1","2","10","1","1") = "9"
    & skf18("5","7","1","2","10","2","1") = "9"
    & skf18("5","7","1","2","10","3","1") = "9"
    & skf18("5","7","1","2","10","4","1") = "9"
    & skf18("5","7","1","2","10","5","1") = "9"
    & skf18("5","7","1","2","10","6","1") = "9"
    & skf18("5","7","1","2","10","7","1") = "9"
    & skf18("5","7","1","2","10","8","1") = "9"
    & skf18("5","7","1","2","10","9","1") = "9"
    & skf18("5","7","1","2","10","10","1") = "9"
    & skf18("5","7","1","3","1","1","1") = "6"
    & skf18("5","7","1","3","1","2","1") = "6"
    & skf18("5","7","1","3","1","3","1") = "6"
    & skf18("5","7","1","3","1","4","1") = "6"
    & skf18("5","7","1","3","1","5","1") = "6"
    & skf18("5","7","1","3","1","6","1") = "6"
    & skf18("5","7","1","3","1","7","1") = "6"
    & skf18("5","7","1","3","1","8","1") = "7"
    & skf18("5","7","1","3","1","9","1") = "8"
    & skf18("5","7","1","3","1","10","1") = "9"
    & skf18("5","7","1","3","2","1","1") = "6"
    & skf18("5","7","1","3","2","2","1") = "6"
    & skf18("5","7","1","3","2","3","1") = "6"
    & skf18("5","7","1","3","2","4","1") = "6"
    & skf18("5","7","1","3","2","5","1") = "6"
    & skf18("5","7","1","3","2","6","1") = "6"
    & skf18("5","7","1","3","2","7","1") = "6"
    & skf18("5","7","1","3","2","8","1") = "7"
    & skf18("5","7","1","3","2","9","1") = "8"
    & skf18("5","7","1","3","2","10","1") = "9"
    & skf18("5","7","1","3","3","1","1") = "6"
    & skf18("5","7","1","3","3","2","1") = "6"
    & skf18("5","7","1","3","3","3","1") = "6"
    & skf18("5","7","1","3","3","4","1") = "6"
    & skf18("5","7","1","3","3","5","1") = "6"
    & skf18("5","7","1","3","3","6","1") = "6"
    & skf18("5","7","1","3","3","7","1") = "6"
    & skf18("5","7","1","3","3","8","1") = "7"
    & skf18("5","7","1","3","3","9","1") = "8"
    & skf18("5","7","1","3","3","10","1") = "9"
    & skf18("5","7","1","3","4","1","1") = "6"
    & skf18("5","7","1","3","4","2","1") = "6"
    & skf18("5","7","1","3","4","3","1") = "6"
    & skf18("5","7","1","3","4","4","1") = "6"
    & skf18("5","7","1","3","4","5","1") = "6"
    & skf18("5","7","1","3","4","6","1") = "6"
    & skf18("5","7","1","3","4","7","1") = "6"
    & skf18("5","7","1","3","4","8","1") = "7"
    & skf18("5","7","1","3","4","9","1") = "8"
    & skf18("5","7","1","3","4","10","1") = "9"
    & skf18("5","7","1","3","5","1","1") = "6"
    & skf18("5","7","1","3","5","2","1") = "6"
    & skf18("5","7","1","3","5","3","1") = "6"
    & skf18("5","7","1","3","5","4","1") = "6"
    & skf18("5","7","1","3","5","5","1") = "6"
    & skf18("5","7","1","3","5","6","1") = "6"
    & skf18("5","7","1","3","5","7","1") = "6"
    & skf18("5","7","1","3","5","8","1") = "7"
    & skf18("5","7","1","3","5","9","1") = "8"
    & skf18("5","7","1","3","5","10","1") = "9"
    & skf18("5","7","1","3","6","1","1") = "6"
    & skf18("5","7","1","3","6","2","1") = "6"
    & skf18("5","7","1","3","6","3","1") = "6"
    & skf18("5","7","1","3","6","4","1") = "6"
    & skf18("5","7","1","3","6","5","1") = "6"
    & skf18("5","7","1","3","6","6","1") = "6"
    & skf18("5","7","1","3","6","7","1") = "6"
    & skf18("5","7","1","3","6","8","1") = "7"
    & skf18("5","7","1","3","6","9","1") = "8"
    & skf18("5","7","1","3","6","10","1") = "9"
    & skf18("5","7","1","3","7","1","1") = "6"
    & skf18("5","7","1","3","7","2","1") = "6"
    & skf18("5","7","1","3","7","3","1") = "6"
    & skf18("5","7","1","3","7","4","1") = "6"
    & skf18("5","7","1","3","7","5","1") = "6"
    & skf18("5","7","1","3","7","6","1") = "6"
    & skf18("5","7","1","3","7","7","1") = "6"
    & skf18("5","7","1","3","7","8","1") = "7"
    & skf18("5","7","1","3","7","9","1") = "8"
    & skf18("5","7","1","3","7","10","1") = "9"
    & skf18("5","7","1","3","8","1","1") = "7"
    & skf18("5","7","1","3","8","2","1") = "7"
    & skf18("5","7","1","3","8","3","1") = "7"
    & skf18("5","7","1","3","8","4","1") = "7"
    & skf18("5","7","1","3","8","5","1") = "7"
    & skf18("5","7","1","3","8","6","1") = "7"
    & skf18("5","7","1","3","8","7","1") = "7"
    & skf18("5","7","1","3","8","8","1") = "7"
    & skf18("5","7","1","3","8","9","1") = "8"
    & skf18("5","7","1","3","8","10","1") = "9"
    & skf18("5","7","1","3","9","1","1") = "8"
    & skf18("5","7","1","3","9","2","1") = "8"
    & skf18("5","7","1","3","9","3","1") = "8"
    & skf18("5","7","1","3","9","4","1") = "8"
    & skf18("5","7","1","3","9","5","1") = "8"
    & skf18("5","7","1","3","9","6","1") = "8"
    & skf18("5","7","1","3","9","7","1") = "8"
    & skf18("5","7","1","3","9","8","1") = "8"
    & skf18("5","7","1","3","9","9","1") = "8"
    & skf18("5","7","1","3","9","10","1") = "9"
    & skf18("5","7","1","3","10","1","1") = "9"
    & skf18("5","7","1","3","10","2","1") = "9"
    & skf18("5","7","1","3","10","3","1") = "9"
    & skf18("5","7","1","3","10","4","1") = "9"
    & skf18("5","7","1","3","10","5","1") = "9"
    & skf18("5","7","1","3","10","6","1") = "9"
    & skf18("5","7","1","3","10","7","1") = "9"
    & skf18("5","7","1","3","10","8","1") = "9"
    & skf18("5","7","1","3","10","9","1") = "9"
    & skf18("5","7","1","3","10","10","1") = "9"
    & skf18("5","7","1","4","1","1","1") = "6"
    & skf18("5","7","1","4","1","2","1") = "6"
    & skf18("5","7","1","4","1","3","1") = "6"
    & skf18("5","7","1","4","1","4","1") = "6"
    & skf18("5","7","1","4","1","5","1") = "6"
    & skf18("5","7","1","4","1","6","1") = "6"
    & skf18("5","7","1","4","1","7","1") = "6"
    & skf18("5","7","1","4","1","8","1") = "7"
    & skf18("5","7","1","4","1","9","1") = "8"
    & skf18("5","7","1","4","1","10","1") = "9"
    & skf18("5","7","1","4","2","1","1") = "6"
    & skf18("5","7","1","4","2","2","1") = "6"
    & skf18("5","7","1","4","2","3","1") = "6"
    & skf18("5","7","1","4","2","4","1") = "6"
    & skf18("5","7","1","4","2","5","1") = "6"
    & skf18("5","7","1","4","2","6","1") = "6"
    & skf18("5","7","1","4","2","7","1") = "6"
    & skf18("5","7","1","4","2","8","1") = "7"
    & skf18("5","7","1","4","2","9","1") = "8"
    & skf18("5","7","1","4","2","10","1") = "9"
    & skf18("5","7","1","4","3","1","1") = "6"
    & skf18("5","7","1","4","3","2","1") = "6"
    & skf18("5","7","1","4","3","3","1") = "6"
    & skf18("5","7","1","4","3","4","1") = "6"
    & skf18("5","7","1","4","3","5","1") = "6"
    & skf18("5","7","1","4","3","6","1") = "6"
    & skf18("5","7","1","4","3","7","1") = "6"
    & skf18("5","7","1","4","3","8","1") = "7"
    & skf18("5","7","1","4","3","9","1") = "8"
    & skf18("5","7","1","4","3","10","1") = "9"
    & skf18("5","7","1","4","4","1","1") = "6"
    & skf18("5","7","1","4","4","2","1") = "6"
    & skf18("5","7","1","4","4","3","1") = "6"
    & skf18("5","7","1","4","4","4","1") = "6"
    & skf18("5","7","1","4","4","5","1") = "6"
    & skf18("5","7","1","4","4","6","1") = "6"
    & skf18("5","7","1","4","4","7","1") = "6"
    & skf18("5","7","1","4","4","8","1") = "7"
    & skf18("5","7","1","4","4","9","1") = "8"
    & skf18("5","7","1","4","4","10","1") = "9"
    & skf18("5","7","1","4","5","1","1") = "6"
    & skf18("5","7","1","4","5","2","1") = "6"
    & skf18("5","7","1","4","5","3","1") = "6"
    & skf18("5","7","1","4","5","4","1") = "6"
    & skf18("5","7","1","4","5","5","1") = "6"
    & skf18("5","7","1","4","5","6","1") = "6"
    & skf18("5","7","1","4","5","7","1") = "6"
    & skf18("5","7","1","4","5","8","1") = "7"
    & skf18("5","7","1","4","5","9","1") = "8"
    & skf18("5","7","1","4","5","10","1") = "9"
    & skf18("5","7","1","4","6","1","1") = "6"
    & skf18("5","7","1","4","6","2","1") = "6"
    & skf18("5","7","1","4","6","3","1") = "6"
    & skf18("5","7","1","4","6","4","1") = "6"
    & skf18("5","7","1","4","6","5","1") = "6"
    & skf18("5","7","1","4","6","6","1") = "6"
    & skf18("5","7","1","4","6","7","1") = "6"
    & skf18("5","7","1","4","6","8","1") = "7"
    & skf18("5","7","1","4","6","9","1") = "8"
    & skf18("5","7","1","4","6","10","1") = "9"
    & skf18("5","7","1","4","7","1","1") = "6"
    & skf18("5","7","1","4","7","2","1") = "6"
    & skf18("5","7","1","4","7","3","1") = "6"
    & skf18("5","7","1","4","7","4","1") = "6"
    & skf18("5","7","1","4","7","5","1") = "6"
    & skf18("5","7","1","4","7","6","1") = "6"
    & skf18("5","7","1","4","7","7","1") = "6"
    & skf18("5","7","1","4","7","8","1") = "7"
    & skf18("5","7","1","4","7","9","1") = "8"
    & skf18("5","7","1","4","7","10","1") = "9"
    & skf18("5","7","1","4","8","1","1") = "7"
    & skf18("5","7","1","4","8","2","1") = "7"
    & skf18("5","7","1","4","8","3","1") = "7"
    & skf18("5","7","1","4","8","4","1") = "7"
    & skf18("5","7","1","4","8","5","1") = "7"
    & skf18("5","7","1","4","8","6","1") = "7"
    & skf18("5","7","1","4","8","7","1") = "7"
    & skf18("5","7","1","4","8","8","1") = "7"
    & skf18("5","7","1","4","8","9","1") = "8"
    & skf18("5","7","1","4","8","10","1") = "9"
    & skf18("5","7","1","4","9","1","1") = "8"
    & skf18("5","7","1","4","9","2","1") = "8"
    & skf18("5","7","1","4","9","3","1") = "8"
    & skf18("5","7","1","4","9","4","1") = "8"
    & skf18("5","7","1","4","9","5","1") = "8"
    & skf18("5","7","1","4","9","6","1") = "8"
    & skf18("5","7","1","4","9","7","1") = "8"
    & skf18("5","7","1","4","9","8","1") = "8"
    & skf18("5","7","1","4","9","9","1") = "8"
    & skf18("5","7","1","4","9","10","1") = "9"
    & skf18("5","7","1","4","10","1","1") = "9"
    & skf18("5","7","1","4","10","2","1") = "9"
    & skf18("5","7","1","4","10","3","1") = "9"
    & skf18("5","7","1","4","10","4","1") = "9"
    & skf18("5","7","1","4","10","5","1") = "9"
    & skf18("5","7","1","4","10","6","1") = "9"
    & skf18("5","7","1","4","10","7","1") = "9"
    & skf18("5","7","1","4","10","8","1") = "9"
    & skf18("5","7","1","4","10","9","1") = "9"
    & skf18("5","7","1","4","10","10","1") = "9"
    & skf18("5","7","1","5","1","1","1") = "6"
    & skf18("5","7","1","5","1","2","1") = "6"
    & skf18("5","7","1","5","1","3","1") = "6"
    & skf18("5","7","1","5","1","4","1") = "6"
    & skf18("5","7","1","5","1","5","1") = "6"
    & skf18("5","7","1","5","1","6","1") = "6"
    & skf18("5","7","1","5","1","7","1") = "6"
    & skf18("5","7","1","5","1","8","1") = "7"
    & skf18("5","7","1","5","1","9","1") = "8"
    & skf18("5","7","1","5","1","10","1") = "9"
    & skf18("5","7","1","5","2","1","1") = "6"
    & skf18("5","7","1","5","2","2","1") = "6"
    & skf18("5","7","1","5","2","3","1") = "6"
    & skf18("5","7","1","5","2","4","1") = "6"
    & skf18("5","7","1","5","2","5","1") = "6"
    & skf18("5","7","1","5","2","6","1") = "6"
    & skf18("5","7","1","5","2","7","1") = "6"
    & skf18("5","7","1","5","2","8","1") = "7"
    & skf18("5","7","1","5","2","9","1") = "8"
    & skf18("5","7","1","5","2","10","1") = "9"
    & skf18("5","7","1","5","3","1","1") = "6"
    & skf18("5","7","1","5","3","2","1") = "6"
    & skf18("5","7","1","5","3","3","1") = "6"
    & skf18("5","7","1","5","3","4","1") = "6"
    & skf18("5","7","1","5","3","5","1") = "6"
    & skf18("5","7","1","5","3","6","1") = "6"
    & skf18("5","7","1","5","3","7","1") = "6"
    & skf18("5","7","1","5","3","8","1") = "7"
    & skf18("5","7","1","5","3","9","1") = "8"
    & skf18("5","7","1","5","3","10","1") = "9"
    & skf18("5","7","1","5","4","1","1") = "6"
    & skf18("5","7","1","5","4","2","1") = "6"
    & skf18("5","7","1","5","4","3","1") = "6"
    & skf18("5","7","1","5","4","4","1") = "6"
    & skf18("5","7","1","5","4","5","1") = "6"
    & skf18("5","7","1","5","4","6","1") = "6"
    & skf18("5","7","1","5","4","7","1") = "6"
    & skf18("5","7","1","5","4","8","1") = "7"
    & skf18("5","7","1","5","4","9","1") = "8"
    & skf18("5","7","1","5","4","10","1") = "9"
    & skf18("5","7","1","5","5","1","1") = "6"
    & skf18("5","7","1","5","5","2","1") = "6"
    & skf18("5","7","1","5","5","3","1") = "6"
    & skf18("5","7","1","5","5","4","1") = "6"
    & skf18("5","7","1","5","5","5","1") = "6"
    & skf18("5","7","1","5","5","6","1") = "6"
    & skf18("5","7","1","5","5","7","1") = "6"
    & skf18("5","7","1","5","5","8","1") = "7"
    & skf18("5","7","1","5","5","9","1") = "8"
    & skf18("5","7","1","5","5","10","1") = "9"
    & skf18("5","7","1","5","6","1","1") = "6"
    & skf18("5","7","1","5","6","2","1") = "6"
    & skf18("5","7","1","5","6","3","1") = "6"
    & skf18("5","7","1","5","6","4","1") = "6"
    & skf18("5","7","1","5","6","5","1") = "6"
    & skf18("5","7","1","5","6","6","1") = "6"
    & skf18("5","7","1","5","6","7","1") = "6"
    & skf18("5","7","1","5","6","8","1") = "7"
    & skf18("5","7","1","5","6","9","1") = "8"
    & skf18("5","7","1","5","6","10","1") = "9"
    & skf18("5","7","1","5","7","1","1") = "6"
    & skf18("5","7","1","5","7","2","1") = "6"
    & skf18("5","7","1","5","7","3","1") = "6"
    & skf18("5","7","1","5","7","4","1") = "6"
    & skf18("5","7","1","5","7","5","1") = "6"
    & skf18("5","7","1","5","7","6","1") = "6"
    & skf18("5","7","1","5","7","7","1") = "6"
    & skf18("5","7","1","5","7","8","1") = "7"
    & skf18("5","7","1","5","7","9","1") = "8"
    & skf18("5","7","1","5","7","10","1") = "9"
    & skf18("5","7","1","5","8","1","1") = "7"
    & skf18("5","7","1","5","8","2","1") = "7"
    & skf18("5","7","1","5","8","3","1") = "7"
    & skf18("5","7","1","5","8","4","1") = "7"
    & skf18("5","7","1","5","8","5","1") = "7"
    & skf18("5","7","1","5","8","6","1") = "7"
    & skf18("5","7","1","5","8","7","1") = "7"
    & skf18("5","7","1","5","8","8","1") = "7"
    & skf18("5","7","1","5","8","9","1") = "8"
    & skf18("5","7","1","5","8","10","1") = "9"
    & skf18("5","7","1","5","9","1","1") = "8"
    & skf18("5","7","1","5","9","2","1") = "8"
    & skf18("5","7","1","5","9","3","1") = "8"
    & skf18("5","7","1","5","9","4","1") = "8"
    & skf18("5","7","1","5","9","5","1") = "8"
    & skf18("5","7","1","5","9","6","1") = "8"
    & skf18("5","7","1","5","9","7","1") = "8"
    & skf18("5","7","1","5","9","8","1") = "8"
    & skf18("5","7","1","5","9","9","1") = "8"
    & skf18("5","7","1","5","9","10","1") = "9"
    & skf18("5","7","1","5","10","1","1") = "9"
    & skf18("5","7","1","5","10","2","1") = "9"
    & skf18("5","7","1","5","10","3","1") = "9"
    & skf18("5","7","1","5","10","4","1") = "9"
    & skf18("5","7","1","5","10","5","1") = "9"
    & skf18("5","7","1","5","10","6","1") = "9"
    & skf18("5","7","1","5","10","7","1") = "9"
    & skf18("5","7","1","5","10","8","1") = "9"
    & skf18("5","7","1","5","10","9","1") = "9"
    & skf18("5","7","1","5","10","10","1") = "9"
    & skf18("5","7","1","6","1","1","1") = "6"
    & skf18("5","7","1","6","1","2","1") = "6"
    & skf18("5","7","1","6","1","3","1") = "6"
    & skf18("5","7","1","6","1","4","1") = "6"
    & skf18("5","7","1","6","1","5","1") = "6"
    & skf18("5","7","1","6","1","6","1") = "6"
    & skf18("5","7","1","6","1","7","1") = "6"
    & skf18("5","7","1","6","1","8","1") = "7"
    & skf18("5","7","1","6","1","9","1") = "8"
    & skf18("5","7","1","6","1","10","1") = "9"
    & skf18("5","7","1","6","2","1","1") = "6"
    & skf18("5","7","1","6","2","2","1") = "6"
    & skf18("5","7","1","6","2","3","1") = "6"
    & skf18("5","7","1","6","2","4","1") = "6"
    & skf18("5","7","1","6","2","5","1") = "6"
    & skf18("5","7","1","6","2","6","1") = "6"
    & skf18("5","7","1","6","2","7","1") = "6"
    & skf18("5","7","1","6","2","8","1") = "7"
    & skf18("5","7","1","6","2","9","1") = "8"
    & skf18("5","7","1","6","2","10","1") = "9"
    & skf18("5","7","1","6","3","1","1") = "6"
    & skf18("5","7","1","6","3","2","1") = "6"
    & skf18("5","7","1","6","3","3","1") = "6"
    & skf18("5","7","1","6","3","4","1") = "6"
    & skf18("5","7","1","6","3","5","1") = "6"
    & skf18("5","7","1","6","3","6","1") = "6"
    & skf18("5","7","1","6","3","7","1") = "6"
    & skf18("5","7","1","6","3","8","1") = "7"
    & skf18("5","7","1","6","3","9","1") = "8"
    & skf18("5","7","1","6","3","10","1") = "9"
    & skf18("5","7","1","6","4","1","1") = "6"
    & skf18("5","7","1","6","4","2","1") = "6"
    & skf18("5","7","1","6","4","3","1") = "6"
    & skf18("5","7","1","6","4","4","1") = "6"
    & skf18("5","7","1","6","4","5","1") = "6"
    & skf18("5","7","1","6","4","6","1") = "6"
    & skf18("5","7","1","6","4","7","1") = "6"
    & skf18("5","7","1","6","4","8","1") = "7"
    & skf18("5","7","1","6","4","9","1") = "8"
    & skf18("5","7","1","6","4","10","1") = "9"
    & skf18("5","7","1","6","5","1","1") = "6"
    & skf18("5","7","1","6","5","2","1") = "6"
    & skf18("5","7","1","6","5","3","1") = "6"
    & skf18("5","7","1","6","5","4","1") = "6"
    & skf18("5","7","1","6","5","5","1") = "6"
    & skf18("5","7","1","6","5","6","1") = "6"
    & skf18("5","7","1","6","5","7","1") = "6"
    & skf18("5","7","1","6","5","8","1") = "7"
    & skf18("5","7","1","6","5","9","1") = "8"
    & skf18("5","7","1","6","5","10","1") = "9"
    & skf18("5","7","1","6","6","1","1") = "6"
    & skf18("5","7","1","6","6","2","1") = "6"
    & skf18("5","7","1","6","6","3","1") = "6"
    & skf18("5","7","1","6","6","4","1") = "6"
    & skf18("5","7","1","6","6","5","1") = "6"
    & skf18("5","7","1","6","6","6","1") = "6"
    & skf18("5","7","1","6","6","7","1") = "6"
    & skf18("5","7","1","6","6","8","1") = "7"
    & skf18("5","7","1","6","6","9","1") = "8"
    & skf18("5","7","1","6","6","10","1") = "9"
    & skf18("5","7","1","6","7","1","1") = "6"
    & skf18("5","7","1","6","7","2","1") = "6"
    & skf18("5","7","1","6","7","3","1") = "6"
    & skf18("5","7","1","6","7","4","1") = "6"
    & skf18("5","7","1","6","7","5","1") = "6"
    & skf18("5","7","1","6","7","6","1") = "6"
    & skf18("5","7","1","6","7","7","1") = "6"
    & skf18("5","7","1","6","7","8","1") = "7"
    & skf18("5","7","1","6","7","9","1") = "8"
    & skf18("5","7","1","6","7","10","1") = "9"
    & skf18("5","7","1","6","8","1","1") = "7"
    & skf18("5","7","1","6","8","2","1") = "7"
    & skf18("5","7","1","6","8","3","1") = "7"
    & skf18("5","7","1","6","8","4","1") = "7"
    & skf18("5","7","1","6","8","5","1") = "7"
    & skf18("5","7","1","6","8","6","1") = "7"
    & skf18("5","7","1","6","8","7","1") = "7"
    & skf18("5","7","1","6","8","8","1") = "7"
    & skf18("5","7","1","6","8","9","1") = "8"
    & skf18("5","7","1","6","8","10","1") = "9"
    & skf18("5","7","1","6","9","1","1") = "8"
    & skf18("5","7","1","6","9","2","1") = "8"
    & skf18("5","7","1","6","9","3","1") = "8"
    & skf18("5","7","1","6","9","4","1") = "8"
    & skf18("5","7","1","6","9","5","1") = "8"
    & skf18("5","7","1","6","9","6","1") = "8"
    & skf18("5","7","1","6","9","7","1") = "8"
    & skf18("5","7","1","6","9","8","1") = "8"
    & skf18("5","7","1","6","9","9","1") = "8"
    & skf18("5","7","1","6","9","10","1") = "9"
    & skf18("5","7","1","6","10","1","1") = "9"
    & skf18("5","7","1","6","10","2","1") = "9"
    & skf18("5","7","1","6","10","3","1") = "9"
    & skf18("5","7","1","6","10","4","1") = "9"
    & skf18("5","7","1","6","10","5","1") = "9"
    & skf18("5","7","1","6","10","6","1") = "9"
    & skf18("5","7","1","6","10","7","1") = "9"
    & skf18("5","7","1","6","10","8","1") = "9"
    & skf18("5","7","1","6","10","9","1") = "9"
    & skf18("5","7","1","6","10","10","1") = "9"
    & skf18("5","7","1","7","1","1","1") = "6"
    & skf18("5","7","1","7","1","2","1") = "6"
    & skf18("5","7","1","7","1","3","1") = "6"
    & skf18("5","7","1","7","1","4","1") = "6"
    & skf18("5","7","1","7","1","5","1") = "6"
    & skf18("5","7","1","7","1","6","1") = "6"
    & skf18("5","7","1","7","1","7","1") = "6"
    & skf18("5","7","1","7","1","8","1") = "7"
    & skf18("5","7","1","7","1","9","1") = "8"
    & skf18("5","7","1","7","1","10","1") = "9"
    & skf18("5","7","1","7","2","1","1") = "6"
    & skf18("5","7","1","7","2","2","1") = "6"
    & skf18("5","7","1","7","2","3","1") = "6"
    & skf18("5","7","1","7","2","4","1") = "6"
    & skf18("5","7","1","7","2","5","1") = "6"
    & skf18("5","7","1","7","2","6","1") = "6"
    & skf18("5","7","1","7","2","7","1") = "6"
    & skf18("5","7","1","7","2","8","1") = "7"
    & skf18("5","7","1","7","2","9","1") = "8"
    & skf18("5","7","1","7","2","10","1") = "9"
    & skf18("5","7","1","7","3","1","1") = "6"
    & skf18("5","7","1","7","3","2","1") = "6"
    & skf18("5","7","1","7","3","3","1") = "6"
    & skf18("5","7","1","7","3","4","1") = "6"
    & skf18("5","7","1","7","3","5","1") = "6"
    & skf18("5","7","1","7","3","6","1") = "6"
    & skf18("5","7","1","7","3","7","1") = "6"
    & skf18("5","7","1","7","3","8","1") = "7"
    & skf18("5","7","1","7","3","9","1") = "8"
    & skf18("5","7","1","7","3","10","1") = "9"
    & skf18("5","7","1","7","4","1","1") = "6"
    & skf18("5","7","1","7","4","2","1") = "6"
    & skf18("5","7","1","7","4","3","1") = "6"
    & skf18("5","7","1","7","4","4","1") = "6"
    & skf18("5","7","1","7","4","5","1") = "6"
    & skf18("5","7","1","7","4","6","1") = "6"
    & skf18("5","7","1","7","4","7","1") = "6"
    & skf18("5","7","1","7","4","8","1") = "7"
    & skf18("5","7","1","7","4","9","1") = "8"
    & skf18("5","7","1","7","4","10","1") = "9"
    & skf18("5","7","1","7","5","1","1") = "6"
    & skf18("5","7","1","7","5","2","1") = "6"
    & skf18("5","7","1","7","5","3","1") = "6"
    & skf18("5","7","1","7","5","4","1") = "6"
    & skf18("5","7","1","7","5","5","1") = "6"
    & skf18("5","7","1","7","5","6","1") = "6"
    & skf18("5","7","1","7","5","7","1") = "6"
    & skf18("5","7","1","7","5","8","1") = "7"
    & skf18("5","7","1","7","5","9","1") = "8"
    & skf18("5","7","1","7","5","10","1") = "9"
    & skf18("5","7","1","7","6","1","1") = "6"
    & skf18("5","7","1","7","6","2","1") = "6"
    & skf18("5","7","1","7","6","3","1") = "6"
    & skf18("5","7","1","7","6","4","1") = "6"
    & skf18("5","7","1","7","6","5","1") = "6"
    & skf18("5","7","1","7","6","6","1") = "6"
    & skf18("5","7","1","7","6","7","1") = "6"
    & skf18("5","7","1","7","6","8","1") = "7"
    & skf18("5","7","1","7","6","9","1") = "8"
    & skf18("5","7","1","7","6","10","1") = "9"
    & skf18("5","7","1","7","7","1","1") = "6"
    & skf18("5","7","1","7","7","2","1") = "6"
    & skf18("5","7","1","7","7","3","1") = "6"
    & skf18("5","7","1","7","7","4","1") = "6"
    & skf18("5","7","1","7","7","5","1") = "6"
    & skf18("5","7","1","7","7","6","1") = "6"
    & skf18("5","7","1","7","7","7","1") = "6"
    & skf18("5","7","1","7","7","8","1") = "7"
    & skf18("5","7","1","7","7","9","1") = "8"
    & skf18("5","7","1","7","7","10","1") = "9"
    & skf18("5","7","1","7","8","1","1") = "7"
    & skf18("5","7","1","7","8","2","1") = "7"
    & skf18("5","7","1","7","8","3","1") = "7"
    & skf18("5","7","1","7","8","4","1") = "7"
    & skf18("5","7","1","7","8","5","1") = "7"
    & skf18("5","7","1","7","8","6","1") = "7"
    & skf18("5","7","1","7","8","7","1") = "7"
    & skf18("5","7","1","7","8","8","1") = "7"
    & skf18("5","7","1","7","8","9","1") = "8"
    & skf18("5","7","1","7","8","10","1") = "9"
    & skf18("5","7","1","7","9","1","1") = "8"
    & skf18("5","7","1","7","9","2","1") = "8"
    & skf18("5","7","1","7","9","3","1") = "8"
    & skf18("5","7","1","7","9","4","1") = "8"
    & skf18("5","7","1","7","9","5","1") = "8"
    & skf18("5","7","1","7","9","6","1") = "8"
    & skf18("5","7","1","7","9","7","1") = "8"
    & skf18("5","7","1","7","9","8","1") = "8"
    & skf18("5","7","1","7","9","9","1") = "8"
    & skf18("5","7","1","7","9","10","1") = "9"
    & skf18("5","7","1","7","10","1","1") = "9"
    & skf18("5","7","1","7","10","2","1") = "9"
    & skf18("5","7","1","7","10","3","1") = "9"
    & skf18("5","7","1","7","10","4","1") = "9"
    & skf18("5","7","1","7","10","5","1") = "9"
    & skf18("5","7","1","7","10","6","1") = "9"
    & skf18("5","7","1","7","10","7","1") = "9"
    & skf18("5","7","1","7","10","8","1") = "9"
    & skf18("5","7","1","7","10","9","1") = "9"
    & skf18("5","7","1","7","10","10","1") = "9"
    & skf18("5","7","1","8","1","1","1") = "7"
    & skf18("5","7","1","8","1","2","1") = "7"
    & skf18("5","7","1","8","1","3","1") = "7"
    & skf18("5","7","1","8","1","4","1") = "7"
    & skf18("5","7","1","8","1","5","1") = "7"
    & skf18("5","7","1","8","1","6","1") = "7"
    & skf18("5","7","1","8","1","7","1") = "7"
    & skf18("5","7","1","8","1","8","1") = "7"
    & skf18("5","7","1","8","1","9","1") = "8"
    & skf18("5","7","1","8","1","10","1") = "9"
    & skf18("5","7","1","8","2","1","1") = "7"
    & skf18("5","7","1","8","2","2","1") = "7"
    & skf18("5","7","1","8","2","3","1") = "7"
    & skf18("5","7","1","8","2","4","1") = "7"
    & skf18("5","7","1","8","2","5","1") = "7"
    & skf18("5","7","1","8","2","6","1") = "7"
    & skf18("5","7","1","8","2","7","1") = "7"
    & skf18("5","7","1","8","2","8","1") = "7"
    & skf18("5","7","1","8","2","9","1") = "8"
    & skf18("5","7","1","8","2","10","1") = "9"
    & skf18("5","7","1","8","3","1","1") = "7"
    & skf18("5","7","1","8","3","2","1") = "7"
    & skf18("5","7","1","8","3","3","1") = "7"
    & skf18("5","7","1","8","3","4","1") = "7"
    & skf18("5","7","1","8","3","5","1") = "7"
    & skf18("5","7","1","8","3","6","1") = "7"
    & skf18("5","7","1","8","3","7","1") = "7"
    & skf18("5","7","1","8","3","8","1") = "7"
    & skf18("5","7","1","8","3","9","1") = "8"
    & skf18("5","7","1","8","3","10","1") = "9"
    & skf18("5","7","1","8","4","1","1") = "7"
    & skf18("5","7","1","8","4","2","1") = "7"
    & skf18("5","7","1","8","4","3","1") = "7"
    & skf18("5","7","1","8","4","4","1") = "7"
    & skf18("5","7","1","8","4","5","1") = "7"
    & skf18("5","7","1","8","4","6","1") = "7"
    & skf18("5","7","1","8","4","7","1") = "7"
    & skf18("5","7","1","8","4","8","1") = "7"
    & skf18("5","7","1","8","4","9","1") = "8"
    & skf18("5","7","1","8","4","10","1") = "9"
    & skf18("5","7","1","8","5","1","1") = "7"
    & skf18("5","7","1","8","5","2","1") = "7"
    & skf18("5","7","1","8","5","3","1") = "7"
    & skf18("5","7","1","8","5","4","1") = "7"
    & skf18("5","7","1","8","5","5","1") = "7"
    & skf18("5","7","1","8","5","6","1") = "7"
    & skf18("5","7","1","8","5","7","1") = "7"
    & skf18("5","7","1","8","5","8","1") = "7"
    & skf18("5","7","1","8","5","9","1") = "8"
    & skf18("5","7","1","8","5","10","1") = "9"
    & skf18("5","7","1","8","6","1","1") = "7"
    & skf18("5","7","1","8","6","2","1") = "7"
    & skf18("5","7","1","8","6","3","1") = "7"
    & skf18("5","7","1","8","6","4","1") = "7"
    & skf18("5","7","1","8","6","5","1") = "7"
    & skf18("5","7","1","8","6","6","1") = "7"
    & skf18("5","7","1","8","6","7","1") = "7"
    & skf18("5","7","1","8","6","8","1") = "7"
    & skf18("5","7","1","8","6","9","1") = "8"
    & skf18("5","7","1","8","6","10","1") = "9"
    & skf18("5","7","1","8","7","1","1") = "7"
    & skf18("5","7","1","8","7","2","1") = "7"
    & skf18("5","7","1","8","7","3","1") = "7"
    & skf18("5","7","1","8","7","4","1") = "7"
    & skf18("5","7","1","8","7","5","1") = "7"
    & skf18("5","7","1","8","7","6","1") = "7"
    & skf18("5","7","1","8","7","7","1") = "7"
    & skf18("5","7","1","8","7","8","1") = "7"
    & skf18("5","7","1","8","7","9","1") = "8"
    & skf18("5","7","1","8","7","10","1") = "9"
    & skf18("5","7","1","8","8","1","1") = "7"
    & skf18("5","7","1","8","8","2","1") = "7"
    & skf18("5","7","1","8","8","3","1") = "7"
    & skf18("5","7","1","8","8","4","1") = "7"
    & skf18("5","7","1","8","8","5","1") = "7"
    & skf18("5","7","1","8","8","6","1") = "7"
    & skf18("5","7","1","8","8","7","1") = "7"
    & skf18("5","7","1","8","8","8","1") = "7"
    & skf18("5","7","1","8","8","9","1") = "8"
    & skf18("5","7","1","8","8","10","1") = "9"
    & skf18("5","7","1","8","9","1","1") = "8"
    & skf18("5","7","1","8","9","2","1") = "8"
    & skf18("5","7","1","8","9","3","1") = "8"
    & skf18("5","7","1","8","9","4","1") = "8"
    & skf18("5","7","1","8","9","5","1") = "8"
    & skf18("5","7","1","8","9","6","1") = "8"
    & skf18("5","7","1","8","9","7","1") = "8"
    & skf18("5","7","1","8","9","8","1") = "8"
    & skf18("5","7","1","8","9","9","1") = "8"
    & skf18("5","7","1","8","9","10","1") = "9"
    & skf18("5","7","1","8","10","1","1") = "9"
    & skf18("5","7","1","8","10","2","1") = "9"
    & skf18("5","7","1","8","10","3","1") = "9"
    & skf18("5","7","1","8","10","4","1") = "9"
    & skf18("5","7","1","8","10","5","1") = "9"
    & skf18("5","7","1","8","10","6","1") = "9"
    & skf18("5","7","1","8","10","7","1") = "9"
    & skf18("5","7","1","8","10","8","1") = "9"
    & skf18("5","7","1","8","10","9","1") = "9"
    & skf18("5","7","1","8","10","10","1") = "9"
    & skf18("5","7","1","9","1","1","1") = "8"
    & skf18("5","7","1","9","1","2","1") = "8"
    & skf18("5","7","1","9","1","3","1") = "8"
    & skf18("5","7","1","9","1","4","1") = "8"
    & skf18("5","7","1","9","1","5","1") = "8"
    & skf18("5","7","1","9","1","6","1") = "8"
    & skf18("5","7","1","9","1","7","1") = "8"
    & skf18("5","7","1","9","1","8","1") = "8"
    & skf18("5","7","1","9","1","9","1") = "8"
    & skf18("5","7","1","9","1","10","1") = "9"
    & skf18("5","7","1","9","2","1","1") = "8"
    & skf18("5","7","1","9","2","2","1") = "8"
    & skf18("5","7","1","9","2","3","1") = "8"
    & skf18("5","7","1","9","2","4","1") = "8"
    & skf18("5","7","1","9","2","5","1") = "8"
    & skf18("5","7","1","9","2","6","1") = "8"
    & skf18("5","7","1","9","2","7","1") = "8"
    & skf18("5","7","1","9","2","8","1") = "8"
    & skf18("5","7","1","9","2","9","1") = "8"
    & skf18("5","7","1","9","2","10","1") = "9"
    & skf18("5","7","1","9","3","1","1") = "8"
    & skf18("5","7","1","9","3","2","1") = "8"
    & skf18("5","7","1","9","3","3","1") = "8"
    & skf18("5","7","1","9","3","4","1") = "8"
    & skf18("5","7","1","9","3","5","1") = "8"
    & skf18("5","7","1","9","3","6","1") = "8"
    & skf18("5","7","1","9","3","7","1") = "8"
    & skf18("5","7","1","9","3","8","1") = "8"
    & skf18("5","7","1","9","3","9","1") = "8"
    & skf18("5","7","1","9","3","10","1") = "9"
    & skf18("5","7","1","9","4","1","1") = "8"
    & skf18("5","7","1","9","4","2","1") = "8"
    & skf18("5","7","1","9","4","3","1") = "8"
    & skf18("5","7","1","9","4","4","1") = "8"
    & skf18("5","7","1","9","4","5","1") = "8"
    & skf18("5","7","1","9","4","6","1") = "8"
    & skf18("5","7","1","9","4","7","1") = "8"
    & skf18("5","7","1","9","4","8","1") = "8"
    & skf18("5","7","1","9","4","9","1") = "8"
    & skf18("5","7","1","9","4","10","1") = "9"
    & skf18("5","7","1","9","5","1","1") = "8"
    & skf18("5","7","1","9","5","2","1") = "8"
    & skf18("5","7","1","9","5","3","1") = "8"
    & skf18("5","7","1","9","5","4","1") = "8"
    & skf18("5","7","1","9","5","5","1") = "8"
    & skf18("5","7","1","9","5","6","1") = "8"
    & skf18("5","7","1","9","5","7","1") = "8"
    & skf18("5","7","1","9","5","8","1") = "8"
    & skf18("5","7","1","9","5","9","1") = "8"
    & skf18("5","7","1","9","5","10","1") = "9"
    & skf18("5","7","1","9","6","1","1") = "8"
    & skf18("5","7","1","9","6","2","1") = "8"
    & skf18("5","7","1","9","6","3","1") = "8"
    & skf18("5","7","1","9","6","4","1") = "8"
    & skf18("5","7","1","9","6","5","1") = "8"
    & skf18("5","7","1","9","6","6","1") = "8"
    & skf18("5","7","1","9","6","7","1") = "8"
    & skf18("5","7","1","9","6","8","1") = "8"
    & skf18("5","7","1","9","6","9","1") = "8"
    & skf18("5","7","1","9","6","10","1") = "9"
    & skf18("5","7","1","9","7","1","1") = "8"
    & skf18("5","7","1","9","7","2","1") = "8"
    & skf18("5","7","1","9","7","3","1") = "8"
    & skf18("5","7","1","9","7","4","1") = "8"
    & skf18("5","7","1","9","7","5","1") = "8"
    & skf18("5","7","1","9","7","6","1") = "8"
    & skf18("5","7","1","9","7","7","1") = "8"
    & skf18("5","7","1","9","7","8","1") = "8"
    & skf18("5","7","1","9","7","9","1") = "8"
    & skf18("5","7","1","9","7","10","1") = "9"
    & skf18("5","7","1","9","8","1","1") = "8"
    & skf18("5","7","1","9","8","2","1") = "8"
    & skf18("5","7","1","9","8","3","1") = "8"
    & skf18("5","7","1","9","8","4","1") = "8"
    & skf18("5","7","1","9","8","5","1") = "8"
    & skf18("5","7","1","9","8","6","1") = "8"
    & skf18("5","7","1","9","8","7","1") = "8"
    & skf18("5","7","1","9","8","8","1") = "8"
    & skf18("5","7","1","9","8","9","1") = "8"
    & skf18("5","7","1","9","8","10","1") = "9"
    & skf18("5","7","1","9","9","1","1") = "8"
    & skf18("5","7","1","9","9","2","1") = "8"
    & skf18("5","7","1","9","9","3","1") = "8"
    & skf18("5","7","1","9","9","4","1") = "8"
    & skf18("5","7","1","9","9","5","1") = "8"
    & skf18("5","7","1","9","9","6","1") = "8"
    & skf18("5","7","1","9","9","7","1") = "8"
    & skf18("5","7","1","9","9","8","1") = "8"
    & skf18("5","7","1","9","9","9","1") = "8"
    & skf18("5","7","1","9","9","10","1") = "9"
    & skf18("5","7","1","9","10","1","1") = "9"
    & skf18("5","7","1","9","10","2","1") = "9"
    & skf18("5","7","1","9","10","3","1") = "9"
    & skf18("5","7","1","9","10","4","1") = "9"
    & skf18("5","7","1","9","10","5","1") = "9"
    & skf18("5","7","1","9","10","6","1") = "9"
    & skf18("5","7","1","9","10","7","1") = "9"
    & skf18("5","7","1","9","10","8","1") = "9"
    & skf18("5","7","1","9","10","9","1") = "9"
    & skf18("5","7","1","9","10","10","1") = "9"
    & skf18("5","7","1","10","1","1","1") = "9"
    & skf18("5","7","1","10","1","2","1") = "9"
    & skf18("5","7","1","10","1","3","1") = "9"
    & skf18("5","7","1","10","1","4","1") = "9"
    & skf18("5","7","1","10","1","5","1") = "9"
    & skf18("5","7","1","10","1","6","1") = "9"
    & skf18("5","7","1","10","1","7","1") = "9"
    & skf18("5","7","1","10","1","8","1") = "9"
    & skf18("5","7","1","10","1","9","1") = "9"
    & skf18("5","7","1","10","1","10","1") = "9"
    & skf18("5","7","1","10","2","1","1") = "9"
    & skf18("5","7","1","10","2","2","1") = "9"
    & skf18("5","7","1","10","2","3","1") = "9"
    & skf18("5","7","1","10","2","4","1") = "9"
    & skf18("5","7","1","10","2","5","1") = "9"
    & skf18("5","7","1","10","2","6","1") = "9"
    & skf18("5","7","1","10","2","7","1") = "9"
    & skf18("5","7","1","10","2","8","1") = "9"
    & skf18("5","7","1","10","2","9","1") = "9"
    & skf18("5","7","1","10","2","10","1") = "9"
    & skf18("5","7","1","10","3","1","1") = "9"
    & skf18("5","7","1","10","3","2","1") = "9"
    & skf18("5","7","1","10","3","3","1") = "9"
    & skf18("5","7","1","10","3","4","1") = "9"
    & skf18("5","7","1","10","3","5","1") = "9"
    & skf18("5","7","1","10","3","6","1") = "9"
    & skf18("5","7","1","10","3","7","1") = "9"
    & skf18("5","7","1","10","3","8","1") = "9"
    & skf18("5","7","1","10","3","9","1") = "9"
    & skf18("5","7","1","10","3","10","1") = "9"
    & skf18("5","7","1","10","4","1","1") = "9"
    & skf18("5","7","1","10","4","2","1") = "9"
    & skf18("5","7","1","10","4","3","1") = "9"
    & skf18("5","7","1","10","4","4","1") = "9"
    & skf18("5","7","1","10","4","5","1") = "9"
    & skf18("5","7","1","10","4","6","1") = "9"
    & skf18("5","7","1","10","4","7","1") = "9"
    & skf18("5","7","1","10","4","8","1") = "9"
    & skf18("5","7","1","10","4","9","1") = "9"
    & skf18("5","7","1","10","4","10","1") = "9"
    & skf18("5","7","1","10","5","1","1") = "9"
    & skf18("5","7","1","10","5","2","1") = "9"
    & skf18("5","7","1","10","5","3","1") = "9"
    & skf18("5","7","1","10","5","4","1") = "9"
    & skf18("5","7","1","10","5","5","1") = "9"
    & skf18("5","7","1","10","5","6","1") = "9"
    & skf18("5","7","1","10","5","7","1") = "9"
    & skf18("5","7","1","10","5","8","1") = "9"
    & skf18("5","7","1","10","5","9","1") = "9"
    & skf18("5","7","1","10","5","10","1") = "9"
    & skf18("5","7","1","10","6","1","1") = "9"
    & skf18("5","7","1","10","6","2","1") = "9"
    & skf18("5","7","1","10","6","3","1") = "9"
    & skf18("5","7","1","10","6","4","1") = "9"
    & skf18("5","7","1","10","6","5","1") = "9"
    & skf18("5","7","1","10","6","6","1") = "9"
    & skf18("5","7","1","10","6","7","1") = "9"
    & skf18("5","7","1","10","6","8","1") = "9"
    & skf18("5","7","1","10","6","9","1") = "9"
    & skf18("5","7","1","10","6","10","1") = "9"
    & skf18("5","7","1","10","7","1","1") = "9"
    & skf18("5","7","1","10","7","2","1") = "9"
    & skf18("5","7","1","10","7","3","1") = "9"
    & skf18("5","7","1","10","7","4","1") = "9"
    & skf18("5","7","1","10","7","5","1") = "9"
    & skf18("5","7","1","10","7","6","1") = "9"
    & skf18("5","7","1","10","7","7","1") = "9"
    & skf18("5","7","1","10","7","8","1") = "9"
    & skf18("5","7","1","10","7","9","1") = "9"
    & skf18("5","7","1","10","7","10","1") = "9"
    & skf18("5","7","1","10","8","1","1") = "9"
    & skf18("5","7","1","10","8","2","1") = "9"
    & skf18("5","7","1","10","8","3","1") = "9"
    & skf18("5","7","1","10","8","4","1") = "9"
    & skf18("5","7","1","10","8","5","1") = "9"
    & skf18("5","7","1","10","8","6","1") = "9"
    & skf18("5","7","1","10","8","7","1") = "9"
    & skf18("5","7","1","10","8","8","1") = "9"
    & skf18("5","7","1","10","8","9","1") = "9"
    & skf18("5","7","1","10","8","10","1") = "9"
    & skf18("5","7","1","10","9","1","1") = "9"
    & skf18("5","7","1","10","9","2","1") = "9"
    & skf18("5","7","1","10","9","3","1") = "9"
    & skf18("5","7","1","10","9","4","1") = "9"
    & skf18("5","7","1","10","9","5","1") = "9"
    & skf18("5","7","1","10","9","6","1") = "9"
    & skf18("5","7","1","10","9","7","1") = "9"
    & skf18("5","7","1","10","9","8","1") = "9"
    & skf18("5","7","1","10","9","9","1") = "9"
    & skf18("5","7","1","10","9","10","1") = "9"
    & skf18("5","7","1","10","10","1","1") = "9"
    & skf18("5","7","1","10","10","2","1") = "9"
    & skf18("5","7","1","10","10","3","1") = "9"
    & skf18("5","7","1","10","10","4","1") = "9"
    & skf18("5","7","1","10","10","5","1") = "9"
    & skf18("5","7","1","10","10","6","1") = "9"
    & skf18("5","7","1","10","10","7","1") = "9"
    & skf18("5","7","1","10","10","8","1") = "9"
    & skf18("5","7","1","10","10","9","1") = "9"
    & skf18("5","7","1","10","10","10","1") = "9"
    & skf18("5","7","2","1","1","1","1") = "6"
    & skf18("5","7","2","1","1","2","1") = "6"
    & skf18("5","7","2","1","1","3","1") = "6"
    & skf18("5","7","2","1","1","4","1") = "6"
    & skf18("5","7","2","1","1","5","1") = "6"
    & skf18("5","7","2","1","1","6","1") = "6"
    & skf18("5","7","2","1","1","7","1") = "6"
    & skf18("5","7","2","1","1","8","1") = "7"
    & skf18("5","7","2","1","1","9","1") = "8"
    & skf18("5","7","2","1","1","10","1") = "9"
    & skf18("5","7","2","1","2","1","1") = "6"
    & skf18("5","7","2","1","2","2","1") = "6"
    & skf18("5","7","2","1","2","3","1") = "6"
    & skf18("5","7","2","1","2","4","1") = "6"
    & skf18("5","7","2","1","2","5","1") = "6"
    & skf18("5","7","2","1","2","6","1") = "6"
    & skf18("5","7","2","1","2","7","1") = "6"
    & skf18("5","7","2","1","2","8","1") = "7"
    & skf18("5","7","2","1","2","9","1") = "8"
    & skf18("5","7","2","1","2","10","1") = "9"
    & skf18("5","7","2","1","3","1","1") = "6"
    & skf18("5","7","2","1","3","2","1") = "6"
    & skf18("5","7","2","1","3","3","1") = "6"
    & skf18("5","7","2","1","3","4","1") = "6"
    & skf18("5","7","2","1","3","5","1") = "6"
    & skf18("5","7","2","1","3","6","1") = "6"
    & skf18("5","7","2","1","3","7","1") = "6"
    & skf18("5","7","2","1","3","8","1") = "7"
    & skf18("5","7","2","1","3","9","1") = "8"
    & skf18("5","7","2","1","3","10","1") = "9"
    & skf18("5","7","2","1","4","1","1") = "6"
    & skf18("5","7","2","1","4","2","1") = "6"
    & skf18("5","7","2","1","4","3","1") = "6"
    & skf18("5","7","2","1","4","4","1") = "6"
    & skf18("5","7","2","1","4","5","1") = "6"
    & skf18("5","7","2","1","4","6","1") = "6"
    & skf18("5","7","2","1","4","7","1") = "6"
    & skf18("5","7","2","1","4","8","1") = "7"
    & skf18("5","7","2","1","4","9","1") = "8"
    & skf18("5","7","2","1","4","10","1") = "9"
    & skf18("5","7","2","1","5","1","1") = "6"
    & skf18("5","7","2","1","5","2","1") = "6"
    & skf18("5","7","2","1","5","3","1") = "6"
    & skf18("5","7","2","1","5","4","1") = "6"
    & skf18("5","7","2","1","5","5","1") = "6"
    & skf18("5","7","2","1","5","6","1") = "6"
    & skf18("5","7","2","1","5","7","1") = "6"
    & skf18("5","7","2","1","5","8","1") = "7"
    & skf18("5","7","2","1","5","9","1") = "8"
    & skf18("5","7","2","1","5","10","1") = "9"
    & skf18("5","7","2","1","6","1","1") = "6"
    & skf18("5","7","2","1","6","2","1") = "6"
    & skf18("5","7","2","1","6","3","1") = "6"
    & skf18("5","7","2","1","6","4","1") = "6"
    & skf18("5","7","2","1","6","5","1") = "6"
    & skf18("5","7","2","1","6","6","1") = "6"
    & skf18("5","7","2","1","6","7","1") = "6"
    & skf18("5","7","2","1","6","8","1") = "7"
    & skf18("5","7","2","1","6","9","1") = "8"
    & skf18("5","7","2","1","6","10","1") = "9"
    & skf18("5","7","2","1","7","1","1") = "6"
    & skf18("5","7","2","1","7","2","1") = "6"
    & skf18("5","7","2","1","7","3","1") = "6"
    & skf18("5","7","2","1","7","4","1") = "6"
    & skf18("5","7","2","1","7","5","1") = "6"
    & skf18("5","7","2","1","7","6","1") = "6"
    & skf18("5","7","2","1","7","7","1") = "6"
    & skf18("5","7","2","1","7","8","1") = "7"
    & skf18("5","7","2","1","7","9","1") = "8"
    & skf18("5","7","2","1","7","10","1") = "9"
    & skf18("5","7","2","1","8","1","1") = "7"
    & skf18("5","7","2","1","8","2","1") = "7"
    & skf18("5","7","2","1","8","3","1") = "7"
    & skf18("5","7","2","1","8","4","1") = "7"
    & skf18("5","7","2","1","8","5","1") = "7"
    & skf18("5","7","2","1","8","6","1") = "7"
    & skf18("5","7","2","1","8","7","1") = "7"
    & skf18("5","7","2","1","8","8","1") = "7"
    & skf18("5","7","2","1","8","9","1") = "8"
    & skf18("5","7","2","1","8","10","1") = "9"
    & skf18("5","7","2","1","9","1","1") = "8"
    & skf18("5","7","2","1","9","2","1") = "8"
    & skf18("5","7","2","1","9","3","1") = "8"
    & skf18("5","7","2","1","9","4","1") = "8"
    & skf18("5","7","2","1","9","5","1") = "8"
    & skf18("5","7","2","1","9","6","1") = "8"
    & skf18("5","7","2","1","9","7","1") = "8"
    & skf18("5","7","2","1","9","8","1") = "8"
    & skf18("5","7","2","1","9","9","1") = "8"
    & skf18("5","7","2","1","9","10","1") = "9"
    & skf18("5","7","2","1","10","1","1") = "9"
    & skf18("5","7","2","1","10","2","1") = "9"
    & skf18("5","7","2","1","10","3","1") = "9"
    & skf18("5","7","2","1","10","4","1") = "9"
    & skf18("5","7","2","1","10","5","1") = "9"
    & skf18("5","7","2","1","10","6","1") = "9"
    & skf18("5","7","2","1","10","7","1") = "9"
    & skf18("5","7","2","1","10","8","1") = "9"
    & skf18("5","7","2","1","10","9","1") = "9"
    & skf18("5","7","2","1","10","10","1") = "9"
    & skf18("5","7","2","2","1","1","1") = "6"
    & skf18("5","7","2","2","1","2","1") = "6"
    & skf18("5","7","2","2","1","3","1") = "6"
    & skf18("5","7","2","2","1","4","1") = "6"
    & skf18("5","7","2","2","1","5","1") = "6"
    & skf18("5","7","2","2","1","6","1") = "6"
    & skf18("5","7","2","2","1","7","1") = "6"
    & skf18("5","7","2","2","1","8","1") = "7"
    & skf18("5","7","2","2","1","9","1") = "8"
    & skf18("5","7","2","2","1","10","1") = "9"
    & skf18("5","7","2","2","2","1","1") = "6"
    & skf18("5","7","2","2","2","2","1") = "6"
    & skf18("5","7","2","2","2","3","1") = "6"
    & skf18("5","7","2","2","2","4","1") = "6"
    & skf18("5","7","2","2","2","5","1") = "6"
    & skf18("5","7","2","2","2","6","1") = "6"
    & skf18("5","7","2","2","2","7","1") = "6"
    & skf18("5","7","2","2","2","8","1") = "7"
    & skf18("5","7","2","2","2","9","1") = "8"
    & skf18("5","7","2","2","2","10","1") = "9"
    & skf18("5","7","2","2","3","1","1") = "6"
    & skf18("5","7","2","2","3","2","1") = "6"
    & skf18("5","7","2","2","3","3","1") = "6"
    & skf18("5","7","2","2","3","4","1") = "6"
    & skf18("5","7","2","2","3","5","1") = "6"
    & skf18("5","7","2","2","3","6","1") = "6"
    & skf18("5","7","2","2","3","7","1") = "6"
    & skf18("5","7","2","2","3","8","1") = "7"
    & skf18("5","7","2","2","3","9","1") = "8"
    & skf18("5","7","2","2","3","10","1") = "9"
    & skf18("5","7","2","2","4","1","1") = "6"
    & skf18("5","7","2","2","4","2","1") = "6"
    & skf18("5","7","2","2","4","3","1") = "6"
    & skf18("5","7","2","2","4","4","1") = "6"
    & skf18("5","7","2","2","4","5","1") = "6"
    & skf18("5","7","2","2","4","6","1") = "6"
    & skf18("5","7","2","2","4","7","1") = "6"
    & skf18("5","7","2","2","4","8","1") = "7"
    & skf18("5","7","2","2","4","9","1") = "8"
    & skf18("5","7","2","2","4","10","1") = "9"
    & skf18("5","7","2","2","5","1","1") = "6"
    & skf18("5","7","2","2","5","2","1") = "6"
    & skf18("5","7","2","2","5","3","1") = "6"
    & skf18("5","7","2","2","5","4","1") = "6"
    & skf18("5","7","2","2","5","5","1") = "6"
    & skf18("5","7","2","2","5","6","1") = "6"
    & skf18("5","7","2","2","5","7","1") = "6"
    & skf18("5","7","2","2","5","8","1") = "7"
    & skf18("5","7","2","2","5","9","1") = "8"
    & skf18("5","7","2","2","5","10","1") = "9"
    & skf18("5","7","2","2","6","1","1") = "6"
    & skf18("5","7","2","2","6","2","1") = "6"
    & skf18("5","7","2","2","6","3","1") = "6"
    & skf18("5","7","2","2","6","4","1") = "6"
    & skf18("5","7","2","2","6","5","1") = "6"
    & skf18("5","7","2","2","6","6","1") = "6"
    & skf18("5","7","2","2","6","7","1") = "6"
    & skf18("5","7","2","2","6","8","1") = "7"
    & skf18("5","7","2","2","6","9","1") = "8"
    & skf18("5","7","2","2","6","10","1") = "9"
    & skf18("5","7","2","2","7","1","1") = "6"
    & skf18("5","7","2","2","7","2","1") = "6"
    & skf18("5","7","2","2","7","3","1") = "6"
    & skf18("5","7","2","2","7","4","1") = "6"
    & skf18("5","7","2","2","7","5","1") = "6"
    & skf18("5","7","2","2","7","6","1") = "6"
    & skf18("5","7","2","2","7","7","1") = "6"
    & skf18("5","7","2","2","7","8","1") = "7"
    & skf18("5","7","2","2","7","9","1") = "8"
    & skf18("5","7","2","2","7","10","1") = "9"
    & skf18("5","7","2","2","8","1","1") = "7"
    & skf18("5","7","2","2","8","2","1") = "7"
    & skf18("5","7","2","2","8","3","1") = "7"
    & skf18("5","7","2","2","8","4","1") = "7"
    & skf18("5","7","2","2","8","5","1") = "7"
    & skf18("5","7","2","2","8","6","1") = "7"
    & skf18("5","7","2","2","8","7","1") = "7"
    & skf18("5","7","2","2","8","8","1") = "7"
    & skf18("5","7","2","2","8","9","1") = "8"
    & skf18("5","7","2","2","8","10","1") = "9"
    & skf18("5","7","2","2","9","1","1") = "8"
    & skf18("5","7","2","2","9","2","1") = "8"
    & skf18("5","7","2","2","9","3","1") = "8"
    & skf18("5","7","2","2","9","4","1") = "8"
    & skf18("5","7","2","2","9","5","1") = "8"
    & skf18("5","7","2","2","9","6","1") = "8"
    & skf18("5","7","2","2","9","7","1") = "8"
    & skf18("5","7","2","2","9","8","1") = "8"
    & skf18("5","7","2","2","9","9","1") = "8"
    & skf18("5","7","2","2","9","10","1") = "9"
    & skf18("5","7","2","2","10","1","1") = "9"
    & skf18("5","7","2","2","10","2","1") = "9"
    & skf18("5","7","2","2","10","3","1") = "9"
    & skf18("5","7","2","2","10","4","1") = "9"
    & skf18("5","7","2","2","10","5","1") = "9"
    & skf18("5","7","2","2","10","6","1") = "9"
    & skf18("5","7","2","2","10","7","1") = "9"
    & skf18("5","7","2","2","10","8","1") = "9"
    & skf18("5","7","2","2","10","9","1") = "9"
    & skf18("5","7","2","2","10","10","1") = "9"
    & skf18("5","7","2","3","1","1","1") = "6"
    & skf18("5","7","2","3","1","2","1") = "6"
    & skf18("5","7","2","3","1","3","1") = "6"
    & skf18("5","7","2","3","1","4","1") = "6"
    & skf18("5","7","2","3","1","5","1") = "6"
    & skf18("5","7","2","3","1","6","1") = "6"
    & skf18("5","7","2","3","1","7","1") = "6"
    & skf18("5","7","2","3","1","8","1") = "7"
    & skf18("5","7","2","3","1","9","1") = "8"
    & skf18("5","7","2","3","1","10","1") = "9"
    & skf18("5","7","2","3","2","1","1") = "6"
    & skf18("5","7","2","3","2","2","1") = "6"
    & skf18("5","7","2","3","2","3","1") = "6"
    & skf18("5","7","2","3","2","4","1") = "6"
    & skf18("5","7","2","3","2","5","1") = "6"
    & skf18("5","7","2","3","2","6","1") = "6"
    & skf18("5","7","2","3","2","7","1") = "6"
    & skf18("5","7","2","3","2","8","1") = "7"
    & skf18("5","7","2","3","2","9","1") = "8"
    & skf18("5","7","2","3","2","10","1") = "9"
    & skf18("5","7","2","3","3","1","1") = "6"
    & skf18("5","7","2","3","3","2","1") = "6"
    & skf18("5","7","2","3","3","3","1") = "6"
    & skf18("5","7","2","3","3","4","1") = "6"
    & skf18("5","7","2","3","3","5","1") = "6"
    & skf18("5","7","2","3","3","6","1") = "6"
    & skf18("5","7","2","3","3","7","1") = "6"
    & skf18("5","7","2","3","3","8","1") = "7"
    & skf18("5","7","2","3","3","9","1") = "8"
    & skf18("5","7","2","3","3","10","1") = "9"
    & skf18("5","7","2","3","4","1","1") = "6"
    & skf18("5","7","2","3","4","2","1") = "6"
    & skf18("5","7","2","3","4","3","1") = "6"
    & skf18("5","7","2","3","4","4","1") = "6"
    & skf18("5","7","2","3","4","5","1") = "6"
    & skf18("5","7","2","3","4","6","1") = "6"
    & skf18("5","7","2","3","4","7","1") = "6"
    & skf18("5","7","2","3","4","8","1") = "7"
    & skf18("5","7","2","3","4","9","1") = "8"
    & skf18("5","7","2","3","4","10","1") = "9"
    & skf18("5","7","2","3","5","1","1") = "6"
    & skf18("5","7","2","3","5","2","1") = "6"
    & skf18("5","7","2","3","5","3","1") = "6"
    & skf18("5","7","2","3","5","4","1") = "6"
    & skf18("5","7","2","3","5","5","1") = "6"
    & skf18("5","7","2","3","5","6","1") = "6"
    & skf18("5","7","2","3","5","7","1") = "6"
    & skf18("5","7","2","3","5","8","1") = "7"
    & skf18("5","7","2","3","5","9","1") = "8"
    & skf18("5","7","2","3","5","10","1") = "9"
    & skf18("5","7","2","3","6","1","1") = "6"
    & skf18("5","7","2","3","6","2","1") = "6"
    & skf18("5","7","2","3","6","3","1") = "6"
    & skf18("5","7","2","3","6","4","1") = "6"
    & skf18("5","7","2","3","6","5","1") = "6"
    & skf18("5","7","2","3","6","6","1") = "6"
    & skf18("5","7","2","3","6","7","1") = "6"
    & skf18("5","7","2","3","6","8","1") = "7"
    & skf18("5","7","2","3","6","9","1") = "8"
    & skf18("5","7","2","3","6","10","1") = "9"
    & skf18("5","7","2","3","7","1","1") = "6"
    & skf18("5","7","2","3","7","2","1") = "6"
    & skf18("5","7","2","3","7","3","1") = "6"
    & skf18("5","7","2","3","7","4","1") = "6"
    & skf18("5","7","2","3","7","5","1") = "6"
    & skf18("5","7","2","3","7","6","1") = "6"
    & skf18("5","7","2","3","7","7","1") = "6"
    & skf18("5","7","2","3","7","8","1") = "7"
    & skf18("5","7","2","3","7","9","1") = "8"
    & skf18("5","7","2","3","7","10","1") = "9"
    & skf18("5","7","2","3","8","1","1") = "7"
    & skf18("5","7","2","3","8","2","1") = "7"
    & skf18("5","7","2","3","8","3","1") = "7"
    & skf18("5","7","2","3","8","4","1") = "7"
    & skf18("5","7","2","3","8","5","1") = "7"
    & skf18("5","7","2","3","8","6","1") = "7"
    & skf18("5","7","2","3","8","7","1") = "7"
    & skf18("5","7","2","3","8","8","1") = "7"
    & skf18("5","7","2","3","8","9","1") = "8"
    & skf18("5","7","2","3","8","10","1") = "9"
    & skf18("5","7","2","3","9","1","1") = "8"
    & skf18("5","7","2","3","9","2","1") = "8"
    & skf18("5","7","2","3","9","3","1") = "8"
    & skf18("5","7","2","3","9","4","1") = "8"
    & skf18("5","7","2","3","9","5","1") = "8"
    & skf18("5","7","2","3","9","6","1") = "8"
    & skf18("5","7","2","3","9","7","1") = "8"
    & skf18("5","7","2","3","9","8","1") = "8"
    & skf18("5","7","2","3","9","9","1") = "8"
    & skf18("5","7","2","3","9","10","1") = "9"
    & skf18("5","7","2","3","10","1","1") = "9"
    & skf18("5","7","2","3","10","2","1") = "9"
    & skf18("5","7","2","3","10","3","1") = "9"
    & skf18("5","7","2","3","10","4","1") = "9"
    & skf18("5","7","2","3","10","5","1") = "9"
    & skf18("5","7","2","3","10","6","1") = "9"
    & skf18("5","7","2","3","10","7","1") = "9"
    & skf18("5","7","2","3","10","8","1") = "9"
    & skf18("5","7","2","3","10","9","1") = "9"
    & skf18("5","7","2","3","10","10","1") = "9"
    & skf18("5","7","2","4","1","1","1") = "6"
    & skf18("5","7","2","4","1","2","1") = "6"
    & skf18("5","7","2","4","1","3","1") = "6"
    & skf18("5","7","2","4","1","4","1") = "6"
    & skf18("5","7","2","4","1","5","1") = "6"
    & skf18("5","7","2","4","1","6","1") = "6"
    & skf18("5","7","2","4","1","7","1") = "6"
    & skf18("5","7","2","4","1","8","1") = "7"
    & skf18("5","7","2","4","1","9","1") = "8"
    & skf18("5","7","2","4","1","10","1") = "9"
    & skf18("5","7","2","4","2","1","1") = "6"
    & skf18("5","7","2","4","2","2","1") = "6"
    & skf18("5","7","2","4","2","3","1") = "6"
    & skf18("5","7","2","4","2","4","1") = "6"
    & skf18("5","7","2","4","2","5","1") = "6"
    & skf18("5","7","2","4","2","6","1") = "6"
    & skf18("5","7","2","4","2","7","1") = "6"
    & skf18("5","7","2","4","2","8","1") = "7"
    & skf18("5","7","2","4","2","9","1") = "8"
    & skf18("5","7","2","4","2","10","1") = "9"
    & skf18("5","7","2","4","3","1","1") = "6"
    & skf18("5","7","2","4","3","2","1") = "6"
    & skf18("5","7","2","4","3","3","1") = "6"
    & skf18("5","7","2","4","3","4","1") = "6"
    & skf18("5","7","2","4","3","5","1") = "6"
    & skf18("5","7","2","4","3","6","1") = "6"
    & skf18("5","7","2","4","3","7","1") = "6"
    & skf18("5","7","2","4","3","8","1") = "7"
    & skf18("5","7","2","4","3","9","1") = "8"
    & skf18("5","7","2","4","3","10","1") = "9"
    & skf18("5","7","2","4","4","1","1") = "6"
    & skf18("5","7","2","4","4","2","1") = "6"
    & skf18("5","7","2","4","4","3","1") = "6"
    & skf18("5","7","2","4","4","4","1") = "6"
    & skf18("5","7","2","4","4","5","1") = "6"
    & skf18("5","7","2","4","4","6","1") = "6"
    & skf18("5","7","2","4","4","7","1") = "6"
    & skf18("5","7","2","4","4","8","1") = "7"
    & skf18("5","7","2","4","4","9","1") = "8"
    & skf18("5","7","2","4","4","10","1") = "9"
    & skf18("5","7","2","4","5","1","1") = "6"
    & skf18("5","7","2","4","5","2","1") = "6"
    & skf18("5","7","2","4","5","3","1") = "6"
    & skf18("5","7","2","4","5","4","1") = "6"
    & skf18("5","7","2","4","5","5","1") = "6"
    & skf18("5","7","2","4","5","6","1") = "6"
    & skf18("5","7","2","4","5","7","1") = "6"
    & skf18("5","7","2","4","5","8","1") = "7"
    & skf18("5","7","2","4","5","9","1") = "8"
    & skf18("5","7","2","4","5","10","1") = "9"
    & skf18("5","7","2","4","6","1","1") = "6"
    & skf18("5","7","2","4","6","2","1") = "6"
    & skf18("5","7","2","4","6","3","1") = "6"
    & skf18("5","7","2","4","6","4","1") = "6"
    & skf18("5","7","2","4","6","5","1") = "6"
    & skf18("5","7","2","4","6","6","1") = "6"
    & skf18("5","7","2","4","6","7","1") = "6"
    & skf18("5","7","2","4","6","8","1") = "7"
    & skf18("5","7","2","4","6","9","1") = "8"
    & skf18("5","7","2","4","6","10","1") = "9"
    & skf18("5","7","2","4","7","1","1") = "6"
    & skf18("5","7","2","4","7","2","1") = "6"
    & skf18("5","7","2","4","7","3","1") = "6"
    & skf18("5","7","2","4","7","4","1") = "6"
    & skf18("5","7","2","4","7","5","1") = "6"
    & skf18("5","7","2","4","7","6","1") = "6"
    & skf18("5","7","2","4","7","7","1") = "6"
    & skf18("5","7","2","4","7","8","1") = "7"
    & skf18("5","7","2","4","7","9","1") = "8"
    & skf18("5","7","2","4","7","10","1") = "9"
    & skf18("5","7","2","4","8","1","1") = "7"
    & skf18("5","7","2","4","8","2","1") = "7"
    & skf18("5","7","2","4","8","3","1") = "7"
    & skf18("5","7","2","4","8","4","1") = "7"
    & skf18("5","7","2","4","8","5","1") = "7"
    & skf18("5","7","2","4","8","6","1") = "7"
    & skf18("5","7","2","4","8","7","1") = "7"
    & skf18("5","7","2","4","8","8","1") = "7"
    & skf18("5","7","2","4","8","9","1") = "8"
    & skf18("5","7","2","4","8","10","1") = "9"
    & skf18("5","7","2","4","9","1","1") = "8"
    & skf18("5","7","2","4","9","2","1") = "8"
    & skf18("5","7","2","4","9","3","1") = "8"
    & skf18("5","7","2","4","9","4","1") = "8"
    & skf18("5","7","2","4","9","5","1") = "8"
    & skf18("5","7","2","4","9","6","1") = "8"
    & skf18("5","7","2","4","9","7","1") = "8"
    & skf18("5","7","2","4","9","8","1") = "8"
    & skf18("5","7","2","4","9","9","1") = "8"
    & skf18("5","7","2","4","9","10","1") = "9"
    & skf18("5","7","2","4","10","1","1") = "9"
    & skf18("5","7","2","4","10","2","1") = "9"
    & skf18("5","7","2","4","10","3","1") = "9"
    & skf18("5","7","2","4","10","4","1") = "9"
    & skf18("5","7","2","4","10","5","1") = "9"
    & skf18("5","7","2","4","10","6","1") = "9"
    & skf18("5","7","2","4","10","7","1") = "9"
    & skf18("5","7","2","4","10","8","1") = "9"
    & skf18("5","7","2","4","10","9","1") = "9"
    & skf18("5","7","2","4","10","10","1") = "9"
    & skf18("5","7","2","5","1","1","1") = "6"
    & skf18("5","7","2","5","1","2","1") = "6"
    & skf18("5","7","2","5","1","3","1") = "6"
    & skf18("5","7","2","5","1","4","1") = "6"
    & skf18("5","7","2","5","1","5","1") = "6"
    & skf18("5","7","2","5","1","6","1") = "6"
    & skf18("5","7","2","5","1","7","1") = "6"
    & skf18("5","7","2","5","1","8","1") = "7"
    & skf18("5","7","2","5","1","9","1") = "8"
    & skf18("5","7","2","5","1","10","1") = "9"
    & skf18("5","7","2","5","2","1","1") = "6"
    & skf18("5","7","2","5","2","2","1") = "6"
    & skf18("5","7","2","5","2","3","1") = "6"
    & skf18("5","7","2","5","2","4","1") = "6"
    & skf18("5","7","2","5","2","5","1") = "6"
    & skf18("5","7","2","5","2","6","1") = "6"
    & skf18("5","7","2","5","2","7","1") = "6"
    & skf18("5","7","2","5","2","8","1") = "7"
    & skf18("5","7","2","5","2","9","1") = "8"
    & skf18("5","7","2","5","2","10","1") = "9"
    & skf18("5","7","2","5","3","1","1") = "6"
    & skf18("5","7","2","5","3","2","1") = "6"
    & skf18("5","7","2","5","3","3","1") = "6"
    & skf18("5","7","2","5","3","4","1") = "6"
    & skf18("5","7","2","5","3","5","1") = "6"
    & skf18("5","7","2","5","3","6","1") = "6"
    & skf18("5","7","2","5","3","7","1") = "6"
    & skf18("5","7","2","5","3","8","1") = "7"
    & skf18("5","7","2","5","3","9","1") = "8"
    & skf18("5","7","2","5","3","10","1") = "9"
    & skf18("5","7","2","5","4","1","1") = "6"
    & skf18("5","7","2","5","4","2","1") = "6"
    & skf18("5","7","2","5","4","3","1") = "6"
    & skf18("5","7","2","5","4","4","1") = "6"
    & skf18("5","7","2","5","4","5","1") = "6"
    & skf18("5","7","2","5","4","6","1") = "6"
    & skf18("5","7","2","5","4","7","1") = "6"
    & skf18("5","7","2","5","4","8","1") = "7"
    & skf18("5","7","2","5","4","9","1") = "8"
    & skf18("5","7","2","5","4","10","1") = "9"
    & skf18("5","7","2","5","5","1","1") = "6"
    & skf18("5","7","2","5","5","2","1") = "6"
    & skf18("5","7","2","5","5","3","1") = "6"
    & skf18("5","7","2","5","5","4","1") = "6"
    & skf18("5","7","2","5","5","5","1") = "6"
    & skf18("5","7","2","5","5","6","1") = "6"
    & skf18("5","7","2","5","5","7","1") = "6"
    & skf18("5","7","2","5","5","8","1") = "7"
    & skf18("5","7","2","5","5","9","1") = "8"
    & skf18("5","7","2","5","5","10","1") = "9"
    & skf18("5","7","2","5","6","1","1") = "6"
    & skf18("5","7","2","5","6","2","1") = "6"
    & skf18("5","7","2","5","6","3","1") = "6"
    & skf18("5","7","2","5","6","4","1") = "6"
    & skf18("5","7","2","5","6","5","1") = "6"
    & skf18("5","7","2","5","6","6","1") = "6"
    & skf18("5","7","2","5","6","7","1") = "6"
    & skf18("5","7","2","5","6","8","1") = "7"
    & skf18("5","7","2","5","6","9","1") = "8"
    & skf18("5","7","2","5","6","10","1") = "9"
    & skf18("5","7","2","5","7","1","1") = "6"
    & skf18("5","7","2","5","7","2","1") = "6"
    & skf18("5","7","2","5","7","3","1") = "6"
    & skf18("5","7","2","5","7","4","1") = "6"
    & skf18("5","7","2","5","7","5","1") = "6"
    & skf18("5","7","2","5","7","6","1") = "6"
    & skf18("5","7","2","5","7","7","1") = "6"
    & skf18("5","7","2","5","7","8","1") = "7"
    & skf18("5","7","2","5","7","9","1") = "8"
    & skf18("5","7","2","5","7","10","1") = "9"
    & skf18("5","7","2","5","8","1","1") = "7"
    & skf18("5","7","2","5","8","2","1") = "7"
    & skf18("5","7","2","5","8","3","1") = "7"
    & skf18("5","7","2","5","8","4","1") = "7"
    & skf18("5","7","2","5","8","5","1") = "7"
    & skf18("5","7","2","5","8","6","1") = "7"
    & skf18("5","7","2","5","8","7","1") = "7"
    & skf18("5","7","2","5","8","8","1") = "7"
    & skf18("5","7","2","5","8","9","1") = "8"
    & skf18("5","7","2","5","8","10","1") = "9"
    & skf18("5","7","2","5","9","1","1") = "8"
    & skf18("5","7","2","5","9","2","1") = "8"
    & skf18("5","7","2","5","9","3","1") = "8"
    & skf18("5","7","2","5","9","4","1") = "8"
    & skf18("5","7","2","5","9","5","1") = "8"
    & skf18("5","7","2","5","9","6","1") = "8"
    & skf18("5","7","2","5","9","7","1") = "8"
    & skf18("5","7","2","5","9","8","1") = "8"
    & skf18("5","7","2","5","9","9","1") = "8"
    & skf18("5","7","2","5","9","10","1") = "9"
    & skf18("5","7","2","5","10","1","1") = "9"
    & skf18("5","7","2","5","10","2","1") = "9"
    & skf18("5","7","2","5","10","3","1") = "9"
    & skf18("5","7","2","5","10","4","1") = "9"
    & skf18("5","7","2","5","10","5","1") = "9"
    & skf18("5","7","2","5","10","6","1") = "9"
    & skf18("5","7","2","5","10","7","1") = "9"
    & skf18("5","7","2","5","10","8","1") = "9"
    & skf18("5","7","2","5","10","9","1") = "9"
    & skf18("5","7","2","5","10","10","1") = "9"
    & skf18("5","7","2","6","1","1","1") = "6"
    & skf18("5","7","2","6","1","2","1") = "6"
    & skf18("5","7","2","6","1","3","1") = "6"
    & skf18("5","7","2","6","1","4","1") = "6"
    & skf18("5","7","2","6","1","5","1") = "6"
    & skf18("5","7","2","6","1","6","1") = "6"
    & skf18("5","7","2","6","1","7","1") = "6"
    & skf18("5","7","2","6","1","8","1") = "7"
    & skf18("5","7","2","6","1","9","1") = "8"
    & skf18("5","7","2","6","1","10","1") = "9"
    & skf18("5","7","2","6","2","1","1") = "6"
    & skf18("5","7","2","6","2","2","1") = "6"
    & skf18("5","7","2","6","2","3","1") = "6"
    & skf18("5","7","2","6","2","4","1") = "6"
    & skf18("5","7","2","6","2","5","1") = "6"
    & skf18("5","7","2","6","2","6","1") = "6"
    & skf18("5","7","2","6","2","7","1") = "6"
    & skf18("5","7","2","6","2","8","1") = "7"
    & skf18("5","7","2","6","2","9","1") = "8"
    & skf18("5","7","2","6","2","10","1") = "9"
    & skf18("5","7","2","6","3","1","1") = "6"
    & skf18("5","7","2","6","3","2","1") = "6"
    & skf18("5","7","2","6","3","3","1") = "6"
    & skf18("5","7","2","6","3","4","1") = "6"
    & skf18("5","7","2","6","3","5","1") = "6"
    & skf18("5","7","2","6","3","6","1") = "6"
    & skf18("5","7","2","6","3","7","1") = "6"
    & skf18("5","7","2","6","3","8","1") = "7"
    & skf18("5","7","2","6","3","9","1") = "8"
    & skf18("5","7","2","6","3","10","1") = "9"
    & skf18("5","7","2","6","4","1","1") = "6"
    & skf18("5","7","2","6","4","2","1") = "6"
    & skf18("5","7","2","6","4","3","1") = "6"
    & skf18("5","7","2","6","4","4","1") = "6"
    & skf18("5","7","2","6","4","5","1") = "6"
    & skf18("5","7","2","6","4","6","1") = "6"
    & skf18("5","7","2","6","4","7","1") = "6"
    & skf18("5","7","2","6","4","8","1") = "7"
    & skf18("5","7","2","6","4","9","1") = "8"
    & skf18("5","7","2","6","4","10","1") = "9"
    & skf18("5","7","2","6","5","1","1") = "6"
    & skf18("5","7","2","6","5","2","1") = "6"
    & skf18("5","7","2","6","5","3","1") = "6"
    & skf18("5","7","2","6","5","4","1") = "6"
    & skf18("5","7","2","6","5","5","1") = "6"
    & skf18("5","7","2","6","5","6","1") = "6"
    & skf18("5","7","2","6","5","7","1") = "6"
    & skf18("5","7","2","6","5","8","1") = "7"
    & skf18("5","7","2","6","5","9","1") = "8"
    & skf18("5","7","2","6","5","10","1") = "9"
    & skf18("5","7","2","6","6","1","1") = "6"
    & skf18("5","7","2","6","6","2","1") = "6"
    & skf18("5","7","2","6","6","3","1") = "6"
    & skf18("5","7","2","6","6","4","1") = "6"
    & skf18("5","7","2","6","6","5","1") = "6"
    & skf18("5","7","2","6","6","6","1") = "6"
    & skf18("5","7","2","6","6","7","1") = "6"
    & skf18("5","7","2","6","6","8","1") = "7"
    & skf18("5","7","2","6","6","9","1") = "8"
    & skf18("5","7","2","6","6","10","1") = "9"
    & skf18("5","7","2","6","7","1","1") = "6"
    & skf18("5","7","2","6","7","2","1") = "6"
    & skf18("5","7","2","6","7","3","1") = "6"
    & skf18("5","7","2","6","7","4","1") = "6"
    & skf18("5","7","2","6","7","5","1") = "6"
    & skf18("5","7","2","6","7","6","1") = "6"
    & skf18("5","7","2","6","7","7","1") = "6"
    & skf18("5","7","2","6","7","8","1") = "7"
    & skf18("5","7","2","6","7","9","1") = "8"
    & skf18("5","7","2","6","7","10","1") = "9"
    & skf18("5","7","2","6","8","1","1") = "7"
    & skf18("5","7","2","6","8","2","1") = "7"
    & skf18("5","7","2","6","8","3","1") = "7"
    & skf18("5","7","2","6","8","4","1") = "7"
    & skf18("5","7","2","6","8","5","1") = "7"
    & skf18("5","7","2","6","8","6","1") = "7"
    & skf18("5","7","2","6","8","7","1") = "7"
    & skf18("5","7","2","6","8","8","1") = "7"
    & skf18("5","7","2","6","8","9","1") = "8"
    & skf18("5","7","2","6","8","10","1") = "9"
    & skf18("5","7","2","6","9","1","1") = "8"
    & skf18("5","7","2","6","9","2","1") = "8"
    & skf18("5","7","2","6","9","3","1") = "8"
    & skf18("5","7","2","6","9","4","1") = "8"
    & skf18("5","7","2","6","9","5","1") = "8"
    & skf18("5","7","2","6","9","6","1") = "8"
    & skf18("5","7","2","6","9","7","1") = "8"
    & skf18("5","7","2","6","9","8","1") = "8"
    & skf18("5","7","2","6","9","9","1") = "8"
    & skf18("5","7","2","6","9","10","1") = "9"
    & skf18("5","7","2","6","10","1","1") = "9"
    & skf18("5","7","2","6","10","2","1") = "9"
    & skf18("5","7","2","6","10","3","1") = "9"
    & skf18("5","7","2","6","10","4","1") = "9"
    & skf18("5","7","2","6","10","5","1") = "9"
    & skf18("5","7","2","6","10","6","1") = "9"
    & skf18("5","7","2","6","10","7","1") = "9"
    & skf18("5","7","2","6","10","8","1") = "9"
    & skf18("5","7","2","6","10","9","1") = "9"
    & skf18("5","7","2","6","10","10","1") = "9"
    & skf18("5","7","2","7","1","1","1") = "6"
    & skf18("5","7","2","7","1","2","1") = "6"
    & skf18("5","7","2","7","1","3","1") = "6"
    & skf18("5","7","2","7","1","4","1") = "6"
    & skf18("5","7","2","7","1","5","1") = "6"
    & skf18("5","7","2","7","1","6","1") = "6"
    & skf18("5","7","2","7","1","7","1") = "6"
    & skf18("5","7","2","7","1","8","1") = "7"
    & skf18("5","7","2","7","1","9","1") = "8"
    & skf18("5","7","2","7","1","10","1") = "9"
    & skf18("5","7","2","7","2","1","1") = "6"
    & skf18("5","7","2","7","2","2","1") = "6"
    & skf18("5","7","2","7","2","3","1") = "6"
    & skf18("5","7","2","7","2","4","1") = "6"
    & skf18("5","7","2","7","2","5","1") = "6"
    & skf18("5","7","2","7","2","6","1") = "6"
    & skf18("5","7","2","7","2","7","1") = "6"
    & skf18("5","7","2","7","2","8","1") = "7"
    & skf18("5","7","2","7","2","9","1") = "8"
    & skf18("5","7","2","7","2","10","1") = "9"
    & skf18("5","7","2","7","3","1","1") = "6"
    & skf18("5","7","2","7","3","2","1") = "6"
    & skf18("5","7","2","7","3","3","1") = "6"
    & skf18("5","7","2","7","3","4","1") = "6"
    & skf18("5","7","2","7","3","5","1") = "6"
    & skf18("5","7","2","7","3","6","1") = "6"
    & skf18("5","7","2","7","3","7","1") = "6"
    & skf18("5","7","2","7","3","8","1") = "7"
    & skf18("5","7","2","7","3","9","1") = "8"
    & skf18("5","7","2","7","3","10","1") = "9"
    & skf18("5","7","2","7","4","1","1") = "6"
    & skf18("5","7","2","7","4","2","1") = "6"
    & skf18("5","7","2","7","4","3","1") = "6"
    & skf18("5","7","2","7","4","4","1") = "6"
    & skf18("5","7","2","7","4","5","1") = "6"
    & skf18("5","7","2","7","4","6","1") = "6"
    & skf18("5","7","2","7","4","7","1") = "6"
    & skf18("5","7","2","7","4","8","1") = "7"
    & skf18("5","7","2","7","4","9","1") = "8"
    & skf18("5","7","2","7","4","10","1") = "9"
    & skf18("5","7","2","7","5","1","1") = "6"
    & skf18("5","7","2","7","5","2","1") = "6"
    & skf18("5","7","2","7","5","3","1") = "6"
    & skf18("5","7","2","7","5","4","1") = "6"
    & skf18("5","7","2","7","5","5","1") = "6"
    & skf18("5","7","2","7","5","6","1") = "6"
    & skf18("5","7","2","7","5","7","1") = "6"
    & skf18("5","7","2","7","5","8","1") = "7"
    & skf18("5","7","2","7","5","9","1") = "8"
    & skf18("5","7","2","7","5","10","1") = "9"
    & skf18("5","7","2","7","6","1","1") = "6"
    & skf18("5","7","2","7","6","2","1") = "6"
    & skf18("5","7","2","7","6","3","1") = "6"
    & skf18("5","7","2","7","6","4","1") = "6"
    & skf18("5","7","2","7","6","5","1") = "6"
    & skf18("5","7","2","7","6","6","1") = "6"
    & skf18("5","7","2","7","6","7","1") = "6"
    & skf18("5","7","2","7","6","8","1") = "7"
    & skf18("5","7","2","7","6","9","1") = "8"
    & skf18("5","7","2","7","6","10","1") = "9"
    & skf18("5","7","2","7","7","1","1") = "6"
    & skf18("5","7","2","7","7","2","1") = "6"
    & skf18("5","7","2","7","7","3","1") = "6"
    & skf18("5","7","2","7","7","4","1") = "6"
    & skf18("5","7","2","7","7","5","1") = "6"
    & skf18("5","7","2","7","7","6","1") = "6"
    & skf18("5","7","2","7","7","7","1") = "6"
    & skf18("5","7","2","7","7","8","1") = "7"
    & skf18("5","7","2","7","7","9","1") = "8"
    & skf18("5","7","2","7","7","10","1") = "9"
    & skf18("5","7","2","7","8","1","1") = "7"
    & skf18("5","7","2","7","8","2","1") = "7"
    & skf18("5","7","2","7","8","3","1") = "7"
    & skf18("5","7","2","7","8","4","1") = "7"
    & skf18("5","7","2","7","8","5","1") = "7"
    & skf18("5","7","2","7","8","6","1") = "7"
    & skf18("5","7","2","7","8","7","1") = "7"
    & skf18("5","7","2","7","8","8","1") = "7"
    & skf18("5","7","2","7","8","9","1") = "8"
    & skf18("5","7","2","7","8","10","1") = "9"
    & skf18("5","7","2","7","9","1","1") = "8"
    & skf18("5","7","2","7","9","2","1") = "8"
    & skf18("5","7","2","7","9","3","1") = "8"
    & skf18("5","7","2","7","9","4","1") = "8"
    & skf18("5","7","2","7","9","5","1") = "8"
    & skf18("5","7","2","7","9","6","1") = "8"
    & skf18("5","7","2","7","9","7","1") = "8"
    & skf18("5","7","2","7","9","8","1") = "8"
    & skf18("5","7","2","7","9","9","1") = "8"
    & skf18("5","7","2","7","9","10","1") = "9"
    & skf18("5","7","2","7","10","1","1") = "9"
    & skf18("5","7","2","7","10","2","1") = "9"
    & skf18("5","7","2","7","10","3","1") = "9"
    & skf18("5","7","2","7","10","4","1") = "9"
    & skf18("5","7","2","7","10","5","1") = "9"
    & skf18("5","7","2","7","10","6","1") = "9"
    & skf18("5","7","2","7","10","7","1") = "9"
    & skf18("5","7","2","7","10","8","1") = "9"
    & skf18("5","7","2","7","10","9","1") = "9"
    & skf18("5","7","2","7","10","10","1") = "9"
    & skf18("5","7","2","8","1","1","1") = "7"
    & skf18("5","7","2","8","1","2","1") = "7"
    & skf18("5","7","2","8","1","3","1") = "7"
    & skf18("5","7","2","8","1","4","1") = "7"
    & skf18("5","7","2","8","1","5","1") = "7"
    & skf18("5","7","2","8","1","6","1") = "7"
    & skf18("5","7","2","8","1","7","1") = "7"
    & skf18("5","7","2","8","1","8","1") = "7"
    & skf18("5","7","2","8","1","9","1") = "8"
    & skf18("5","7","2","8","1","10","1") = "9"
    & skf18("5","7","2","8","2","1","1") = "7"
    & skf18("5","7","2","8","2","2","1") = "7"
    & skf18("5","7","2","8","2","3","1") = "7"
    & skf18("5","7","2","8","2","4","1") = "7"
    & skf18("5","7","2","8","2","5","1") = "7"
    & skf18("5","7","2","8","2","6","1") = "7"
    & skf18("5","7","2","8","2","7","1") = "7"
    & skf18("5","7","2","8","2","8","1") = "7"
    & skf18("5","7","2","8","2","9","1") = "8"
    & skf18("5","7","2","8","2","10","1") = "9"
    & skf18("5","7","2","8","3","1","1") = "7"
    & skf18("5","7","2","8","3","2","1") = "7"
    & skf18("5","7","2","8","3","3","1") = "7"
    & skf18("5","7","2","8","3","4","1") = "7"
    & skf18("5","7","2","8","3","5","1") = "7"
    & skf18("5","7","2","8","3","6","1") = "7"
    & skf18("5","7","2","8","3","7","1") = "7"
    & skf18("5","7","2","8","3","8","1") = "7"
    & skf18("5","7","2","8","3","9","1") = "8"
    & skf18("5","7","2","8","3","10","1") = "9"
    & skf18("5","7","2","8","4","1","1") = "7"
    & skf18("5","7","2","8","4","2","1") = "7"
    & skf18("5","7","2","8","4","3","1") = "7"
    & skf18("5","7","2","8","4","4","1") = "7"
    & skf18("5","7","2","8","4","5","1") = "7"
    & skf18("5","7","2","8","4","6","1") = "7"
    & skf18("5","7","2","8","4","7","1") = "7"
    & skf18("5","7","2","8","4","8","1") = "7"
    & skf18("5","7","2","8","4","9","1") = "8"
    & skf18("5","7","2","8","4","10","1") = "9"
    & skf18("5","7","2","8","5","1","1") = "7"
    & skf18("5","7","2","8","5","2","1") = "7"
    & skf18("5","7","2","8","5","3","1") = "7"
    & skf18("5","7","2","8","5","4","1") = "7"
    & skf18("5","7","2","8","5","5","1") = "7"
    & skf18("5","7","2","8","5","6","1") = "7"
    & skf18("5","7","2","8","5","7","1") = "7"
    & skf18("5","7","2","8","5","8","1") = "7"
    & skf18("5","7","2","8","5","9","1") = "8"
    & skf18("5","7","2","8","5","10","1") = "9"
    & skf18("5","7","2","8","6","1","1") = "7"
    & skf18("5","7","2","8","6","2","1") = "7"
    & skf18("5","7","2","8","6","3","1") = "7"
    & skf18("5","7","2","8","6","4","1") = "7"
    & skf18("5","7","2","8","6","5","1") = "7"
    & skf18("5","7","2","8","6","6","1") = "7"
    & skf18("5","7","2","8","6","7","1") = "7"
    & skf18("5","7","2","8","6","8","1") = "7"
    & skf18("5","7","2","8","6","9","1") = "8"
    & skf18("5","7","2","8","6","10","1") = "9"
    & skf18("5","7","2","8","7","1","1") = "7"
    & skf18("5","7","2","8","7","2","1") = "7"
    & skf18("5","7","2","8","7","3","1") = "7"
    & skf18("5","7","2","8","7","4","1") = "7"
    & skf18("5","7","2","8","7","5","1") = "7"
    & skf18("5","7","2","8","7","6","1") = "7"
    & skf18("5","7","2","8","7","7","1") = "7"
    & skf18("5","7","2","8","7","8","1") = "7"
    & skf18("5","7","2","8","7","9","1") = "8"
    & skf18("5","7","2","8","7","10","1") = "9"
    & skf18("5","7","2","8","8","1","1") = "7"
    & skf18("5","7","2","8","8","2","1") = "7"
    & skf18("5","7","2","8","8","3","1") = "7"
    & skf18("5","7","2","8","8","4","1") = "7"
    & skf18("5","7","2","8","8","5","1") = "7"
    & skf18("5","7","2","8","8","6","1") = "7"
    & skf18("5","7","2","8","8","7","1") = "7"
    & skf18("5","7","2","8","8","8","1") = "7"
    & skf18("5","7","2","8","8","9","1") = "8"
    & skf18("5","7","2","8","8","10","1") = "9"
    & skf18("5","7","2","8","9","1","1") = "8"
    & skf18("5","7","2","8","9","2","1") = "8"
    & skf18("5","7","2","8","9","3","1") = "8"
    & skf18("5","7","2","8","9","4","1") = "8"
    & skf18("5","7","2","8","9","5","1") = "8"
    & skf18("5","7","2","8","9","6","1") = "8"
    & skf18("5","7","2","8","9","7","1") = "8"
    & skf18("5","7","2","8","9","8","1") = "8"
    & skf18("5","7","2","8","9","9","1") = "8"
    & skf18("5","7","2","8","9","10","1") = "9"
    & skf18("5","7","2","8","10","1","1") = "9"
    & skf18("5","7","2","8","10","2","1") = "9"
    & skf18("5","7","2","8","10","3","1") = "9"
    & skf18("5","7","2","8","10","4","1") = "9"
    & skf18("5","7","2","8","10","5","1") = "9"
    & skf18("5","7","2","8","10","6","1") = "9"
    & skf18("5","7","2","8","10","7","1") = "9"
    & skf18("5","7","2","8","10","8","1") = "9"
    & skf18("5","7","2","8","10","9","1") = "9"
    & skf18("5","7","2","8","10","10","1") = "9"
    & skf18("5","7","2","9","1","1","1") = "8"
    & skf18("5","7","2","9","1","2","1") = "8"
    & skf18("5","7","2","9","1","3","1") = "8"
    & skf18("5","7","2","9","1","4","1") = "8"
    & skf18("5","7","2","9","1","5","1") = "8"
    & skf18("5","7","2","9","1","6","1") = "8"
    & skf18("5","7","2","9","1","7","1") = "8"
    & skf18("5","7","2","9","1","8","1") = "8"
    & skf18("5","7","2","9","1","9","1") = "8"
    & skf18("5","7","2","9","1","10","1") = "9"
    & skf18("5","7","2","9","2","1","1") = "8"
    & skf18("5","7","2","9","2","2","1") = "8"
    & skf18("5","7","2","9","2","3","1") = "8"
    & skf18("5","7","2","9","2","4","1") = "8"
    & skf18("5","7","2","9","2","5","1") = "8"
    & skf18("5","7","2","9","2","6","1") = "8"
    & skf18("5","7","2","9","2","7","1") = "8"
    & skf18("5","7","2","9","2","8","1") = "8"
    & skf18("5","7","2","9","2","9","1") = "8"
    & skf18("5","7","2","9","2","10","1") = "9"
    & skf18("5","7","2","9","3","1","1") = "8"
    & skf18("5","7","2","9","3","2","1") = "8"
    & skf18("5","7","2","9","3","3","1") = "8"
    & skf18("5","7","2","9","3","4","1") = "8"
    & skf18("5","7","2","9","3","5","1") = "8"
    & skf18("5","7","2","9","3","6","1") = "8"
    & skf18("5","7","2","9","3","7","1") = "8"
    & skf18("5","7","2","9","3","8","1") = "8"
    & skf18("5","7","2","9","3","9","1") = "8"
    & skf18("5","7","2","9","3","10","1") = "9"
    & skf18("5","7","2","9","4","1","1") = "8"
    & skf18("5","7","2","9","4","2","1") = "8"
    & skf18("5","7","2","9","4","3","1") = "8"
    & skf18("5","7","2","9","4","4","1") = "8"
    & skf18("5","7","2","9","4","5","1") = "8"
    & skf18("5","7","2","9","4","6","1") = "8"
    & skf18("5","7","2","9","4","7","1") = "8"
    & skf18("5","7","2","9","4","8","1") = "8"
    & skf18("5","7","2","9","4","9","1") = "8"
    & skf18("5","7","2","9","4","10","1") = "9"
    & skf18("5","7","2","9","5","1","1") = "8"
    & skf18("5","7","2","9","5","2","1") = "8"
    & skf18("5","7","2","9","5","3","1") = "8"
    & skf18("5","7","2","9","5","4","1") = "8"
    & skf18("5","7","2","9","5","5","1") = "8"
    & skf18("5","7","2","9","5","6","1") = "8"
    & skf18("5","7","2","9","5","7","1") = "8"
    & skf18("5","7","2","9","5","8","1") = "8"
    & skf18("5","7","2","9","5","9","1") = "8"
    & skf18("5","7","2","9","5","10","1") = "9"
    & skf18("5","7","2","9","6","1","1") = "8"
    & skf18("5","7","2","9","6","2","1") = "8"
    & skf18("5","7","2","9","6","3","1") = "8"
    & skf18("5","7","2","9","6","4","1") = "8"
    & skf18("5","7","2","9","6","5","1") = "8"
    & skf18("5","7","2","9","6","6","1") = "8"
    & skf18("5","7","2","9","6","7","1") = "8"
    & skf18("5","7","2","9","6","8","1") = "8"
    & skf18("5","7","2","9","6","9","1") = "8"
    & skf18("5","7","2","9","6","10","1") = "9"
    & skf18("5","7","2","9","7","1","1") = "8"
    & skf18("5","7","2","9","7","2","1") = "8"
    & skf18("5","7","2","9","7","3","1") = "8"
    & skf18("5","7","2","9","7","4","1") = "8"
    & skf18("5","7","2","9","7","5","1") = "8"
    & skf18("5","7","2","9","7","6","1") = "8"
    & skf18("5","7","2","9","7","7","1") = "8"
    & skf18("5","7","2","9","7","8","1") = "8"
    & skf18("5","7","2","9","7","9","1") = "8"
    & skf18("5","7","2","9","7","10","1") = "9"
    & skf18("5","7","2","9","8","1","1") = "8"
    & skf18("5","7","2","9","8","2","1") = "8"
    & skf18("5","7","2","9","8","3","1") = "8"
    & skf18("5","7","2","9","8","4","1") = "8"
    & skf18("5","7","2","9","8","5","1") = "8"
    & skf18("5","7","2","9","8","6","1") = "8"
    & skf18("5","7","2","9","8","7","1") = "8"
    & skf18("5","7","2","9","8","8","1") = "8"
    & skf18("5","7","2","9","8","9","1") = "8"
    & skf18("5","7","2","9","8","10","1") = "9"
    & skf18("5","7","2","9","9","1","1") = "8"
    & skf18("5","7","2","9","9","2","1") = "8"
    & skf18("5","7","2","9","9","3","1") = "8"
    & skf18("5","7","2","9","9","4","1") = "8"
    & skf18("5","7","2","9","9","5","1") = "8"
    & skf18("5","7","2","9","9","6","1") = "8"
    & skf18("5","7","2","9","9","7","1") = "8"
    & skf18("5","7","2","9","9","8","1") = "8"
    & skf18("5","7","2","9","9","9","1") = "8"
    & skf18("5","7","2","9","9","10","1") = "9"
    & skf18("5","7","2","9","10","1","1") = "9"
    & skf18("5","7","2","9","10","2","1") = "9"
    & skf18("5","7","2","9","10","3","1") = "9"
    & skf18("5","7","2","9","10","4","1") = "9"
    & skf18("5","7","2","9","10","5","1") = "9"
    & skf18("5","7","2","9","10","6","1") = "9"
    & skf18("5","7","2","9","10","7","1") = "9"
    & skf18("5","7","2","9","10","8","1") = "9"
    & skf18("5","7","2","9","10","9","1") = "9"
    & skf18("5","7","2","9","10","10","1") = "9"
    & skf18("5","7","2","10","1","1","1") = "9"
    & skf18("5","7","2","10","1","2","1") = "9"
    & skf18("5","7","2","10","1","3","1") = "9"
    & skf18("5","7","2","10","1","4","1") = "9"
    & skf18("5","7","2","10","1","5","1") = "9"
    & skf18("5","7","2","10","1","6","1") = "9"
    & skf18("5","7","2","10","1","7","1") = "9"
    & skf18("5","7","2","10","1","8","1") = "9"
    & skf18("5","7","2","10","1","9","1") = "9"
    & skf18("5","7","2","10","1","10","1") = "9"
    & skf18("5","7","2","10","2","1","1") = "9"
    & skf18("5","7","2","10","2","2","1") = "9"
    & skf18("5","7","2","10","2","3","1") = "9"
    & skf18("5","7","2","10","2","4","1") = "9"
    & skf18("5","7","2","10","2","5","1") = "9"
    & skf18("5","7","2","10","2","6","1") = "9"
    & skf18("5","7","2","10","2","7","1") = "9"
    & skf18("5","7","2","10","2","8","1") = "9"
    & skf18("5","7","2","10","2","9","1") = "9"
    & skf18("5","7","2","10","2","10","1") = "9"
    & skf18("5","7","2","10","3","1","1") = "9"
    & skf18("5","7","2","10","3","2","1") = "9"
    & skf18("5","7","2","10","3","3","1") = "9"
    & skf18("5","7","2","10","3","4","1") = "9"
    & skf18("5","7","2","10","3","5","1") = "9"
    & skf18("5","7","2","10","3","6","1") = "9"
    & skf18("5","7","2","10","3","7","1") = "9"
    & skf18("5","7","2","10","3","8","1") = "9"
    & skf18("5","7","2","10","3","9","1") = "9"
    & skf18("5","7","2","10","3","10","1") = "9"
    & skf18("5","7","2","10","4","1","1") = "9"
    & skf18("5","7","2","10","4","2","1") = "9"
    & skf18("5","7","2","10","4","3","1") = "9"
    & skf18("5","7","2","10","4","4","1") = "9"
    & skf18("5","7","2","10","4","5","1") = "9"
    & skf18("5","7","2","10","4","6","1") = "9"
    & skf18("5","7","2","10","4","7","1") = "9"
    & skf18("5","7","2","10","4","8","1") = "9"
    & skf18("5","7","2","10","4","9","1") = "9"
    & skf18("5","7","2","10","4","10","1") = "9"
    & skf18("5","7","2","10","5","1","1") = "9"
    & skf18("5","7","2","10","5","2","1") = "9"
    & skf18("5","7","2","10","5","3","1") = "9"
    & skf18("5","7","2","10","5","4","1") = "9"
    & skf18("5","7","2","10","5","5","1") = "9"
    & skf18("5","7","2","10","5","6","1") = "9"
    & skf18("5","7","2","10","5","7","1") = "9"
    & skf18("5","7","2","10","5","8","1") = "9"
    & skf18("5","7","2","10","5","9","1") = "9"
    & skf18("5","7","2","10","5","10","1") = "9"
    & skf18("5","7","2","10","6","1","1") = "9"
    & skf18("5","7","2","10","6","2","1") = "9"
    & skf18("5","7","2","10","6","3","1") = "9"
    & skf18("5","7","2","10","6","4","1") = "9"
    & skf18("5","7","2","10","6","5","1") = "9"
    & skf18("5","7","2","10","6","6","1") = "9"
    & skf18("5","7","2","10","6","7","1") = "9"
    & skf18("5","7","2","10","6","8","1") = "9"
    & skf18("5","7","2","10","6","9","1") = "9"
    & skf18("5","7","2","10","6","10","1") = "9"
    & skf18("5","7","2","10","7","1","1") = "9"
    & skf18("5","7","2","10","7","2","1") = "9"
    & skf18("5","7","2","10","7","3","1") = "9"
    & skf18("5","7","2","10","7","4","1") = "9"
    & skf18("5","7","2","10","7","5","1") = "9"
    & skf18("5","7","2","10","7","6","1") = "9"
    & skf18("5","7","2","10","7","7","1") = "9"
    & skf18("5","7","2","10","7","8","1") = "9"
    & skf18("5","7","2","10","7","9","1") = "9"
    & skf18("5","7","2","10","7","10","1") = "9"
    & skf18("5","7","2","10","8","1","1") = "9"
    & skf18("5","7","2","10","8","2","1") = "9"
    & skf18("5","7","2","10","8","3","1") = "9"
    & skf18("5","7","2","10","8","4","1") = "9"
    & skf18("5","7","2","10","8","5","1") = "9"
    & skf18("5","7","2","10","8","6","1") = "9"
    & skf18("5","7","2","10","8","7","1") = "9"
    & skf18("5","7","2","10","8","8","1") = "9"
    & skf18("5","7","2","10","8","9","1") = "9"
    & skf18("5","7","2","10","8","10","1") = "9"
    & skf18("5","7","2","10","9","1","1") = "9"
    & skf18("5","7","2","10","9","2","1") = "9"
    & skf18("5","7","2","10","9","3","1") = "9"
    & skf18("5","7","2","10","9","4","1") = "9"
    & skf18("5","7","2","10","9","5","1") = "9"
    & skf18("5","7","2","10","9","6","1") = "9"
    & skf18("5","7","2","10","9","7","1") = "9"
    & skf18("5","7","2","10","9","8","1") = "9"
    & skf18("5","7","2","10","9","9","1") = "9"
    & skf18("5","7","2","10","9","10","1") = "9"
    & skf18("5","7","2","10","10","1","1") = "9"
    & skf18("5","7","2","10","10","2","1") = "9"
    & skf18("5","7","2","10","10","3","1") = "9"
    & skf18("5","7","2","10","10","4","1") = "9"
    & skf18("5","7","2","10","10","5","1") = "9"
    & skf18("5","7","2","10","10","6","1") = "9"
    & skf18("5","7","2","10","10","7","1") = "9"
    & skf18("5","7","2","10","10","8","1") = "9"
    & skf18("5","7","2","10","10","9","1") = "9"
    & skf18("5","7","2","10","10","10","1") = "9"
    & skf18("5","7","3","1","1","1","1") = "6"
    & skf18("5","7","3","1","1","2","1") = "6"
    & skf18("5","7","3","1","1","3","1") = "6"
    & skf18("5","7","3","1","1","4","1") = "6"
    & skf18("5","7","3","1","1","5","1") = "6"
    & skf18("5","7","3","1","1","6","1") = "6"
    & skf18("5","7","3","1","1","7","1") = "6"
    & skf18("5","7","3","1","1","8","1") = "7"
    & skf18("5","7","3","1","1","9","1") = "8"
    & skf18("5","7","3","1","1","10","1") = "9"
    & skf18("5","7","3","1","2","1","1") = "6"
    & skf18("5","7","3","1","2","2","1") = "6"
    & skf18("5","7","3","1","2","3","1") = "6"
    & skf18("5","7","3","1","2","4","1") = "6"
    & skf18("5","7","3","1","2","5","1") = "6"
    & skf18("5","7","3","1","2","6","1") = "6"
    & skf18("5","7","3","1","2","7","1") = "6"
    & skf18("5","7","3","1","2","8","1") = "7"
    & skf18("5","7","3","1","2","9","1") = "8"
    & skf18("5","7","3","1","2","10","1") = "9"
    & skf18("5","7","3","1","3","1","1") = "6"
    & skf18("5","7","3","1","3","2","1") = "6"
    & skf18("5","7","3","1","3","3","1") = "6"
    & skf18("5","7","3","1","3","4","1") = "6"
    & skf18("5","7","3","1","3","5","1") = "6"
    & skf18("5","7","3","1","3","6","1") = "6"
    & skf18("5","7","3","1","3","7","1") = "6"
    & skf18("5","7","3","1","3","8","1") = "7"
    & skf18("5","7","3","1","3","9","1") = "8"
    & skf18("5","7","3","1","3","10","1") = "9"
    & skf18("5","7","3","1","4","1","1") = "6"
    & skf18("5","7","3","1","4","2","1") = "6"
    & skf18("5","7","3","1","4","3","1") = "6"
    & skf18("5","7","3","1","4","4","1") = "6"
    & skf18("5","7","3","1","4","5","1") = "6"
    & skf18("5","7","3","1","4","6","1") = "6"
    & skf18("5","7","3","1","4","7","1") = "6"
    & skf18("5","7","3","1","4","8","1") = "7"
    & skf18("5","7","3","1","4","9","1") = "8"
    & skf18("5","7","3","1","4","10","1") = "9"
    & skf18("5","7","3","1","5","1","1") = "6"
    & skf18("5","7","3","1","5","2","1") = "6"
    & skf18("5","7","3","1","5","3","1") = "6"
    & skf18("5","7","3","1","5","4","1") = "6"
    & skf18("5","7","3","1","5","5","1") = "6"
    & skf18("5","7","3","1","5","6","1") = "6"
    & skf18("5","7","3","1","5","7","1") = "6"
    & skf18("5","7","3","1","5","8","1") = "7"
    & skf18("5","7","3","1","5","9","1") = "8"
    & skf18("5","7","3","1","5","10","1") = "9"
    & skf18("5","7","3","1","6","1","1") = "6"
    & skf18("5","7","3","1","6","2","1") = "6"
    & skf18("5","7","3","1","6","3","1") = "6"
    & skf18("5","7","3","1","6","4","1") = "6"
    & skf18("5","7","3","1","6","5","1") = "6"
    & skf18("5","7","3","1","6","6","1") = "6"
    & skf18("5","7","3","1","6","7","1") = "6"
    & skf18("5","7","3","1","6","8","1") = "7"
    & skf18("5","7","3","1","6","9","1") = "8"
    & skf18("5","7","3","1","6","10","1") = "9"
    & skf18("5","7","3","1","7","1","1") = "6"
    & skf18("5","7","3","1","7","2","1") = "6"
    & skf18("5","7","3","1","7","3","1") = "6"
    & skf18("5","7","3","1","7","4","1") = "6"
    & skf18("5","7","3","1","7","5","1") = "6"
    & skf18("5","7","3","1","7","6","1") = "6"
    & skf18("5","7","3","1","7","7","1") = "6"
    & skf18("5","7","3","1","7","8","1") = "7"
    & skf18("5","7","3","1","7","9","1") = "8"
    & skf18("5","7","3","1","7","10","1") = "9"
    & skf18("5","7","3","1","8","1","1") = "7"
    & skf18("5","7","3","1","8","2","1") = "7"
    & skf18("5","7","3","1","8","3","1") = "7"
    & skf18("5","7","3","1","8","4","1") = "7"
    & skf18("5","7","3","1","8","5","1") = "7"
    & skf18("5","7","3","1","8","6","1") = "7"
    & skf18("5","7","3","1","8","7","1") = "7"
    & skf18("5","7","3","1","8","8","1") = "7"
    & skf18("5","7","3","1","8","9","1") = "8"
    & skf18("5","7","3","1","8","10","1") = "9"
    & skf18("5","7","3","1","9","1","1") = "8"
    & skf18("5","7","3","1","9","2","1") = "8"
    & skf18("5","7","3","1","9","3","1") = "8"
    & skf18("5","7","3","1","9","4","1") = "8"
    & skf18("5","7","3","1","9","5","1") = "8"
    & skf18("5","7","3","1","9","6","1") = "8"
    & skf18("5","7","3","1","9","7","1") = "8"
    & skf18("5","7","3","1","9","8","1") = "8"
    & skf18("5","7","3","1","9","9","1") = "8"
    & skf18("5","7","3","1","9","10","1") = "9"
    & skf18("5","7","3","1","10","1","1") = "9"
    & skf18("5","7","3","1","10","2","1") = "9"
    & skf18("5","7","3","1","10","3","1") = "9"
    & skf18("5","7","3","1","10","4","1") = "9"
    & skf18("5","7","3","1","10","5","1") = "9"
    & skf18("5","7","3","1","10","6","1") = "9"
    & skf18("5","7","3","1","10","7","1") = "9"
    & skf18("5","7","3","1","10","8","1") = "9"
    & skf18("5","7","3","1","10","9","1") = "9"
    & skf18("5","7","3","1","10","10","1") = "9"
    & skf18("5","7","3","2","1","1","1") = "6"
    & skf18("5","7","3","2","1","2","1") = "6"
    & skf18("5","7","3","2","1","3","1") = "6"
    & skf18("5","7","3","2","1","4","1") = "6"
    & skf18("5","7","3","2","1","5","1") = "6"
    & skf18("5","7","3","2","1","6","1") = "6"
    & skf18("5","7","3","2","1","7","1") = "6"
    & skf18("5","7","3","2","1","8","1") = "7"
    & skf18("5","7","3","2","1","9","1") = "8"
    & skf18("5","7","3","2","1","10","1") = "9"
    & skf18("5","7","3","2","2","1","1") = "6"
    & skf18("5","7","3","2","2","2","1") = "6"
    & skf18("5","7","3","2","2","3","1") = "6"
    & skf18("5","7","3","2","2","4","1") = "6"
    & skf18("5","7","3","2","2","5","1") = "6"
    & skf18("5","7","3","2","2","6","1") = "6"
    & skf18("5","7","3","2","2","7","1") = "6"
    & skf18("5","7","3","2","2","8","1") = "7"
    & skf18("5","7","3","2","2","9","1") = "8"
    & skf18("5","7","3","2","2","10","1") = "9"
    & skf18("5","7","3","2","3","1","1") = "6"
    & skf18("5","7","3","2","3","2","1") = "6"
    & skf18("5","7","3","2","3","3","1") = "6"
    & skf18("5","7","3","2","3","4","1") = "6"
    & skf18("5","7","3","2","3","5","1") = "6"
    & skf18("5","7","3","2","3","6","1") = "6"
    & skf18("5","7","3","2","3","7","1") = "6"
    & skf18("5","7","3","2","3","8","1") = "7"
    & skf18("5","7","3","2","3","9","1") = "8"
    & skf18("5","7","3","2","3","10","1") = "9"
    & skf18("5","7","3","2","4","1","1") = "6"
    & skf18("5","7","3","2","4","2","1") = "6"
    & skf18("5","7","3","2","4","3","1") = "6"
    & skf18("5","7","3","2","4","4","1") = "6"
    & skf18("5","7","3","2","4","5","1") = "6"
    & skf18("5","7","3","2","4","6","1") = "6"
    & skf18("5","7","3","2","4","7","1") = "6"
    & skf18("5","7","3","2","4","8","1") = "7"
    & skf18("5","7","3","2","4","9","1") = "8"
    & skf18("5","7","3","2","4","10","1") = "9"
    & skf18("5","7","3","2","5","1","1") = "6"
    & skf18("5","7","3","2","5","2","1") = "6"
    & skf18("5","7","3","2","5","3","1") = "6"
    & skf18("5","7","3","2","5","4","1") = "6"
    & skf18("5","7","3","2","5","5","1") = "6"
    & skf18("5","7","3","2","5","6","1") = "6"
    & skf18("5","7","3","2","5","7","1") = "6"
    & skf18("5","7","3","2","5","8","1") = "7"
    & skf18("5","7","3","2","5","9","1") = "8"
    & skf18("5","7","3","2","5","10","1") = "9"
    & skf18("5","7","3","2","6","1","1") = "6"
    & skf18("5","7","3","2","6","2","1") = "6"
    & skf18("5","7","3","2","6","3","1") = "6"
    & skf18("5","7","3","2","6","4","1") = "6"
    & skf18("5","7","3","2","6","5","1") = "6"
    & skf18("5","7","3","2","6","6","1") = "6"
    & skf18("5","7","3","2","6","7","1") = "6"
    & skf18("5","7","3","2","6","8","1") = "7"
    & skf18("5","7","3","2","6","9","1") = "8"
    & skf18("5","7","3","2","6","10","1") = "9"
    & skf18("5","7","3","2","7","1","1") = "6"
    & skf18("5","7","3","2","7","2","1") = "6"
    & skf18("5","7","3","2","7","3","1") = "6"
    & skf18("5","7","3","2","7","4","1") = "6"
    & skf18("5","7","3","2","7","5","1") = "6"
    & skf18("5","7","3","2","7","6","1") = "6"
    & skf18("5","7","3","2","7","7","1") = "6"
    & skf18("5","7","3","2","7","8","1") = "7"
    & skf18("5","7","3","2","7","9","1") = "8"
    & skf18("5","7","3","2","7","10","1") = "9"
    & skf18("5","7","3","2","8","1","1") = "7"
    & skf18("5","7","3","2","8","2","1") = "7"
    & skf18("5","7","3","2","8","3","1") = "7"
    & skf18("5","7","3","2","8","4","1") = "7"
    & skf18("5","7","3","2","8","5","1") = "7"
    & skf18("5","7","3","2","8","6","1") = "7"
    & skf18("5","7","3","2","8","7","1") = "7"
    & skf18("5","7","3","2","8","8","1") = "7"
    & skf18("5","7","3","2","8","9","1") = "8"
    & skf18("5","7","3","2","8","10","1") = "9"
    & skf18("5","7","3","2","9","1","1") = "8"
    & skf18("5","7","3","2","9","2","1") = "8"
    & skf18("5","7","3","2","9","3","1") = "8"
    & skf18("5","7","3","2","9","4","1") = "8"
    & skf18("5","7","3","2","9","5","1") = "8"
    & skf18("5","7","3","2","9","6","1") = "8"
    & skf18("5","7","3","2","9","7","1") = "8"
    & skf18("5","7","3","2","9","8","1") = "8"
    & skf18("5","7","3","2","9","9","1") = "8"
    & skf18("5","7","3","2","9","10","1") = "9"
    & skf18("5","7","3","2","10","1","1") = "9"
    & skf18("5","7","3","2","10","2","1") = "9"
    & skf18("5","7","3","2","10","3","1") = "9"
    & skf18("5","7","3","2","10","4","1") = "9"
    & skf18("5","7","3","2","10","5","1") = "9"
    & skf18("5","7","3","2","10","6","1") = "9"
    & skf18("5","7","3","2","10","7","1") = "9"
    & skf18("5","7","3","2","10","8","1") = "9"
    & skf18("5","7","3","2","10","9","1") = "9"
    & skf18("5","7","3","2","10","10","1") = "9"
    & skf18("5","7","3","3","1","1","1") = "6"
    & skf18("5","7","3","3","1","2","1") = "6"
    & skf18("5","7","3","3","1","3","1") = "6"
    & skf18("5","7","3","3","1","4","1") = "6"
    & skf18("5","7","3","3","1","5","1") = "6"
    & skf18("5","7","3","3","1","6","1") = "6"
    & skf18("5","7","3","3","1","7","1") = "6"
    & skf18("5","7","3","3","1","8","1") = "7"
    & skf18("5","7","3","3","1","9","1") = "8"
    & skf18("5","7","3","3","1","10","1") = "9"
    & skf18("5","7","3","3","2","1","1") = "6"
    & skf18("5","7","3","3","2","2","1") = "6"
    & skf18("5","7","3","3","2","3","1") = "6"
    & skf18("5","7","3","3","2","4","1") = "6"
    & skf18("5","7","3","3","2","5","1") = "6"
    & skf18("5","7","3","3","2","6","1") = "6"
    & skf18("5","7","3","3","2","7","1") = "6"
    & skf18("5","7","3","3","2","8","1") = "7"
    & skf18("5","7","3","3","2","9","1") = "8"
    & skf18("5","7","3","3","2","10","1") = "9"
    & skf18("5","7","3","3","3","1","1") = "6"
    & skf18("5","7","3","3","3","2","1") = "6"
    & skf18("5","7","3","3","3","3","1") = "6"
    & skf18("5","7","3","3","3","4","1") = "6"
    & skf18("5","7","3","3","3","5","1") = "6"
    & skf18("5","7","3","3","3","6","1") = "6"
    & skf18("5","7","3","3","3","7","1") = "6"
    & skf18("5","7","3","3","3","8","1") = "7"
    & skf18("5","7","3","3","3","9","1") = "8"
    & skf18("5","7","3","3","3","10","1") = "9"
    & skf18("5","7","3","3","4","1","1") = "6"
    & skf18("5","7","3","3","4","2","1") = "6"
    & skf18("5","7","3","3","4","3","1") = "6"
    & skf18("5","7","3","3","4","4","1") = "6"
    & skf18("5","7","3","3","4","5","1") = "6"
    & skf18("5","7","3","3","4","6","1") = "6"
    & skf18("5","7","3","3","4","7","1") = "6"
    & skf18("5","7","3","3","4","8","1") = "7"
    & skf18("5","7","3","3","4","9","1") = "8"
    & skf18("5","7","3","3","4","10","1") = "9"
    & skf18("5","7","3","3","5","1","1") = "6"
    & skf18("5","7","3","3","5","2","1") = "6"
    & skf18("5","7","3","3","5","3","1") = "6"
    & skf18("5","7","3","3","5","4","1") = "6"
    & skf18("5","7","3","3","5","5","1") = "6"
    & skf18("5","7","3","3","5","6","1") = "6"
    & skf18("5","7","3","3","5","7","1") = "6"
    & skf18("5","7","3","3","5","8","1") = "7"
    & skf18("5","7","3","3","5","9","1") = "8"
    & skf18("5","7","3","3","5","10","1") = "9"
    & skf18("5","7","3","3","6","1","1") = "6"
    & skf18("5","7","3","3","6","2","1") = "6"
    & skf18("5","7","3","3","6","3","1") = "6"
    & skf18("5","7","3","3","6","4","1") = "6"
    & skf18("5","7","3","3","6","5","1") = "6"
    & skf18("5","7","3","3","6","6","1") = "6"
    & skf18("5","7","3","3","6","7","1") = "6"
    & skf18("5","7","3","3","6","8","1") = "7"
    & skf18("5","7","3","3","6","9","1") = "8"
    & skf18("5","7","3","3","6","10","1") = "9"
    & skf18("5","7","3","3","7","1","1") = "6"
    & skf18("5","7","3","3","7","2","1") = "6"
    & skf18("5","7","3","3","7","3","1") = "6"
    & skf18("5","7","3","3","7","4","1") = "6"
    & skf18("5","7","3","3","7","5","1") = "6"
    & skf18("5","7","3","3","7","6","1") = "6"
    & skf18("5","7","3","3","7","7","1") = "6"
    & skf18("5","7","3","3","7","8","1") = "7"
    & skf18("5","7","3","3","7","9","1") = "8"
    & skf18("5","7","3","3","7","10","1") = "9"
    & skf18("5","7","3","3","8","1","1") = "7"
    & skf18("5","7","3","3","8","2","1") = "7"
    & skf18("5","7","3","3","8","3","1") = "7"
    & skf18("5","7","3","3","8","4","1") = "7"
    & skf18("5","7","3","3","8","5","1") = "7"
    & skf18("5","7","3","3","8","6","1") = "7"
    & skf18("5","7","3","3","8","7","1") = "7"
    & skf18("5","7","3","3","8","8","1") = "7"
    & skf18("5","7","3","3","8","9","1") = "8"
    & skf18("5","7","3","3","8","10","1") = "9"
    & skf18("5","7","3","3","9","1","1") = "8"
    & skf18("5","7","3","3","9","2","1") = "8"
    & skf18("5","7","3","3","9","3","1") = "8"
    & skf18("5","7","3","3","9","4","1") = "8"
    & skf18("5","7","3","3","9","5","1") = "8"
    & skf18("5","7","3","3","9","6","1") = "8"
    & skf18("5","7","3","3","9","7","1") = "8"
    & skf18("5","7","3","3","9","8","1") = "8"
    & skf18("5","7","3","3","9","9","1") = "8"
    & skf18("5","7","3","3","9","10","1") = "9"
    & skf18("5","7","3","3","10","1","1") = "9"
    & skf18("5","7","3","3","10","2","1") = "9"
    & skf18("5","7","3","3","10","3","1") = "9"
    & skf18("5","7","3","3","10","4","1") = "9"
    & skf18("5","7","3","3","10","5","1") = "9"
    & skf18("5","7","3","3","10","6","1") = "9"
    & skf18("5","7","3","3","10","7","1") = "9"
    & skf18("5","7","3","3","10","8","1") = "9"
    & skf18("5","7","3","3","10","9","1") = "9"
    & skf18("5","7","3","3","10","10","1") = "9"
    & skf18("5","7","3","4","1","1","1") = "6"
    & skf18("5","7","3","4","1","2","1") = "6"
    & skf18("5","7","3","4","1","3","1") = "6"
    & skf18("5","7","3","4","1","4","1") = "6"
    & skf18("5","7","3","4","1","5","1") = "6"
    & skf18("5","7","3","4","1","6","1") = "6"
    & skf18("5","7","3","4","1","7","1") = "6"
    & skf18("5","7","3","4","1","8","1") = "7"
    & skf18("5","7","3","4","1","9","1") = "8"
    & skf18("5","7","3","4","1","10","1") = "9"
    & skf18("5","7","3","4","2","1","1") = "6"
    & skf18("5","7","3","4","2","2","1") = "6"
    & skf18("5","7","3","4","2","3","1") = "6"
    & skf18("5","7","3","4","2","4","1") = "6"
    & skf18("5","7","3","4","2","5","1") = "6"
    & skf18("5","7","3","4","2","6","1") = "6"
    & skf18("5","7","3","4","2","7","1") = "6"
    & skf18("5","7","3","4","2","8","1") = "7"
    & skf18("5","7","3","4","2","9","1") = "8"
    & skf18("5","7","3","4","2","10","1") = "9"
    & skf18("5","7","3","4","3","1","1") = "6"
    & skf18("5","7","3","4","3","2","1") = "6"
    & skf18("5","7","3","4","3","3","1") = "6"
    & skf18("5","7","3","4","3","4","1") = "6"
    & skf18("5","7","3","4","3","5","1") = "6"
    & skf18("5","7","3","4","3","6","1") = "6"
    & skf18("5","7","3","4","3","7","1") = "6"
    & skf18("5","7","3","4","3","8","1") = "7"
    & skf18("5","7","3","4","3","9","1") = "8"
    & skf18("5","7","3","4","3","10","1") = "9"
    & skf18("5","7","3","4","4","1","1") = "6"
    & skf18("5","7","3","4","4","2","1") = "6"
    & skf18("5","7","3","4","4","3","1") = "6"
    & skf18("5","7","3","4","4","4","1") = "6"
    & skf18("5","7","3","4","4","5","1") = "6"
    & skf18("5","7","3","4","4","6","1") = "6"
    & skf18("5","7","3","4","4","7","1") = "6"
    & skf18("5","7","3","4","4","8","1") = "7"
    & skf18("5","7","3","4","4","9","1") = "8"
    & skf18("5","7","3","4","4","10","1") = "9"
    & skf18("5","7","3","4","5","1","1") = "6"
    & skf18("5","7","3","4","5","2","1") = "6"
    & skf18("5","7","3","4","5","3","1") = "6"
    & skf18("5","7","3","4","5","4","1") = "6"
    & skf18("5","7","3","4","5","5","1") = "6"
    & skf18("5","7","3","4","5","6","1") = "6"
    & skf18("5","7","3","4","5","7","1") = "6"
    & skf18("5","7","3","4","5","8","1") = "7"
    & skf18("5","7","3","4","5","9","1") = "8"
    & skf18("5","7","3","4","5","10","1") = "9"
    & skf18("5","7","3","4","6","1","1") = "6"
    & skf18("5","7","3","4","6","2","1") = "6"
    & skf18("5","7","3","4","6","3","1") = "6"
    & skf18("5","7","3","4","6","4","1") = "6"
    & skf18("5","7","3","4","6","5","1") = "6"
    & skf18("5","7","3","4","6","6","1") = "6"
    & skf18("5","7","3","4","6","7","1") = "6"
    & skf18("5","7","3","4","6","8","1") = "7"
    & skf18("5","7","3","4","6","9","1") = "8"
    & skf18("5","7","3","4","6","10","1") = "9"
    & skf18("5","7","3","4","7","1","1") = "6"
    & skf18("5","7","3","4","7","2","1") = "6"
    & skf18("5","7","3","4","7","3","1") = "6"
    & skf18("5","7","3","4","7","4","1") = "6"
    & skf18("5","7","3","4","7","5","1") = "6"
    & skf18("5","7","3","4","7","6","1") = "6"
    & skf18("5","7","3","4","7","7","1") = "6"
    & skf18("5","7","3","4","7","8","1") = "7"
    & skf18("5","7","3","4","7","9","1") = "8"
    & skf18("5","7","3","4","7","10","1") = "9"
    & skf18("5","7","3","4","8","1","1") = "7"
    & skf18("5","7","3","4","8","2","1") = "7"
    & skf18("5","7","3","4","8","3","1") = "7"
    & skf18("5","7","3","4","8","4","1") = "7"
    & skf18("5","7","3","4","8","5","1") = "7"
    & skf18("5","7","3","4","8","6","1") = "7"
    & skf18("5","7","3","4","8","7","1") = "7"
    & skf18("5","7","3","4","8","8","1") = "7"
    & skf18("5","7","3","4","8","9","1") = "8"
    & skf18("5","7","3","4","8","10","1") = "9"
    & skf18("5","7","3","4","9","1","1") = "8"
    & skf18("5","7","3","4","9","2","1") = "8"
    & skf18("5","7","3","4","9","3","1") = "8"
    & skf18("5","7","3","4","9","4","1") = "8"
    & skf18("5","7","3","4","9","5","1") = "8"
    & skf18("5","7","3","4","9","6","1") = "8"
    & skf18("5","7","3","4","9","7","1") = "8"
    & skf18("5","7","3","4","9","8","1") = "8"
    & skf18("5","7","3","4","9","9","1") = "8"
    & skf18("5","7","3","4","9","10","1") = "9"
    & skf18("5","7","3","4","10","1","1") = "9"
    & skf18("5","7","3","4","10","2","1") = "9"
    & skf18("5","7","3","4","10","3","1") = "9"
    & skf18("5","7","3","4","10","4","1") = "9"
    & skf18("5","7","3","4","10","5","1") = "9"
    & skf18("5","7","3","4","10","6","1") = "9"
    & skf18("5","7","3","4","10","7","1") = "9"
    & skf18("5","7","3","4","10","8","1") = "9"
    & skf18("5","7","3","4","10","9","1") = "9"
    & skf18("5","7","3","4","10","10","1") = "9"
    & skf18("5","7","3","5","1","1","1") = "6"
    & skf18("5","7","3","5","1","2","1") = "6"
    & skf18("5","7","3","5","1","3","1") = "6"
    & skf18("5","7","3","5","1","4","1") = "6"
    & skf18("5","7","3","5","1","5","1") = "6"
    & skf18("5","7","3","5","1","6","1") = "6"
    & skf18("5","7","3","5","1","7","1") = "6"
    & skf18("5","7","3","5","1","8","1") = "7"
    & skf18("5","7","3","5","1","9","1") = "8"
    & skf18("5","7","3","5","1","10","1") = "9"
    & skf18("5","7","3","5","2","1","1") = "6"
    & skf18("5","7","3","5","2","2","1") = "6"
    & skf18("5","7","3","5","2","3","1") = "6"
    & skf18("5","7","3","5","2","4","1") = "6"
    & skf18("5","7","3","5","2","5","1") = "6"
    & skf18("5","7","3","5","2","6","1") = "6"
    & skf18("5","7","3","5","2","7","1") = "6"
    & skf18("5","7","3","5","2","8","1") = "7"
    & skf18("5","7","3","5","2","9","1") = "8"
    & skf18("5","7","3","5","2","10","1") = "9"
    & skf18("5","7","3","5","3","1","1") = "6"
    & skf18("5","7","3","5","3","2","1") = "6"
    & skf18("5","7","3","5","3","3","1") = "6"
    & skf18("5","7","3","5","3","4","1") = "6"
    & skf18("5","7","3","5","3","5","1") = "6"
    & skf18("5","7","3","5","3","6","1") = "6"
    & skf18("5","7","3","5","3","7","1") = "6"
    & skf18("5","7","3","5","3","8","1") = "7"
    & skf18("5","7","3","5","3","9","1") = "8"
    & skf18("5","7","3","5","3","10","1") = "9"
    & skf18("5","7","3","5","4","1","1") = "6"
    & skf18("5","7","3","5","4","2","1") = "6"
    & skf18("5","7","3","5","4","3","1") = "6"
    & skf18("5","7","3","5","4","4","1") = "6"
    & skf18("5","7","3","5","4","5","1") = "6"
    & skf18("5","7","3","5","4","6","1") = "6"
    & skf18("5","7","3","5","4","7","1") = "6"
    & skf18("5","7","3","5","4","8","1") = "7"
    & skf18("5","7","3","5","4","9","1") = "8"
    & skf18("5","7","3","5","4","10","1") = "9"
    & skf18("5","7","3","5","5","1","1") = "6"
    & skf18("5","7","3","5","5","2","1") = "6"
    & skf18("5","7","3","5","5","3","1") = "6"
    & skf18("5","7","3","5","5","4","1") = "6"
    & skf18("5","7","3","5","5","5","1") = "6"
    & skf18("5","7","3","5","5","6","1") = "6"
    & skf18("5","7","3","5","5","7","1") = "6"
    & skf18("5","7","3","5","5","8","1") = "7"
    & skf18("5","7","3","5","5","9","1") = "8"
    & skf18("5","7","3","5","5","10","1") = "9"
    & skf18("5","7","3","5","6","1","1") = "6"
    & skf18("5","7","3","5","6","2","1") = "6"
    & skf18("5","7","3","5","6","3","1") = "6"
    & skf18("5","7","3","5","6","4","1") = "6"
    & skf18("5","7","3","5","6","5","1") = "6"
    & skf18("5","7","3","5","6","6","1") = "6"
    & skf18("5","7","3","5","6","7","1") = "6"
    & skf18("5","7","3","5","6","8","1") = "7"
    & skf18("5","7","3","5","6","9","1") = "8"
    & skf18("5","7","3","5","6","10","1") = "9"
    & skf18("5","7","3","5","7","1","1") = "6"
    & skf18("5","7","3","5","7","2","1") = "6"
    & skf18("5","7","3","5","7","3","1") = "6"
    & skf18("5","7","3","5","7","4","1") = "6"
    & skf18("5","7","3","5","7","5","1") = "6"
    & skf18("5","7","3","5","7","6","1") = "6"
    & skf18("5","7","3","5","7","7","1") = "6"
    & skf18("5","7","3","5","7","8","1") = "7"
    & skf18("5","7","3","5","7","9","1") = "8"
    & skf18("5","7","3","5","7","10","1") = "9"
    & skf18("5","7","3","5","8","1","1") = "7"
    & skf18("5","7","3","5","8","2","1") = "7"
    & skf18("5","7","3","5","8","3","1") = "7"
    & skf18("5","7","3","5","8","4","1") = "7"
    & skf18("5","7","3","5","8","5","1") = "7"
    & skf18("5","7","3","5","8","6","1") = "7"
    & skf18("5","7","3","5","8","7","1") = "7"
    & skf18("5","7","3","5","8","8","1") = "7"
    & skf18("5","7","3","5","8","9","1") = "8"
    & skf18("5","7","3","5","8","10","1") = "9"
    & skf18("5","7","3","5","9","1","1") = "8"
    & skf18("5","7","3","5","9","2","1") = "8"
    & skf18("5","7","3","5","9","3","1") = "8"
    & skf18("5","7","3","5","9","4","1") = "8"
    & skf18("5","7","3","5","9","5","1") = "8"
    & skf18("5","7","3","5","9","6","1") = "8"
    & skf18("5","7","3","5","9","7","1") = "8"
    & skf18("5","7","3","5","9","8","1") = "8"
    & skf18("5","7","3","5","9","9","1") = "8"
    & skf18("5","7","3","5","9","10","1") = "9"
    & skf18("5","7","3","5","10","1","1") = "9"
    & skf18("5","7","3","5","10","2","1") = "9"
    & skf18("5","7","3","5","10","3","1") = "9"
    & skf18("5","7","3","5","10","4","1") = "9"
    & skf18("5","7","3","5","10","5","1") = "9"
    & skf18("5","7","3","5","10","6","1") = "9"
    & skf18("5","7","3","5","10","7","1") = "9"
    & skf18("5","7","3","5","10","8","1") = "9"
    & skf18("5","7","3","5","10","9","1") = "9"
    & skf18("5","7","3","5","10","10","1") = "9"
    & skf18("5","7","3","6","1","1","1") = "6"
    & skf18("5","7","3","6","1","2","1") = "6"
    & skf18("5","7","3","6","1","3","1") = "6"
    & skf18("5","7","3","6","1","4","1") = "6"
    & skf18("5","7","3","6","1","5","1") = "6"
    & skf18("5","7","3","6","1","6","1") = "6"
    & skf18("5","7","3","6","1","7","1") = "6"
    & skf18("5","7","3","6","1","8","1") = "7"
    & skf18("5","7","3","6","1","9","1") = "8"
    & skf18("5","7","3","6","1","10","1") = "9"
    & skf18("5","7","3","6","2","1","1") = "6"
    & skf18("5","7","3","6","2","2","1") = "6"
    & skf18("5","7","3","6","2","3","1") = "6"
    & skf18("5","7","3","6","2","4","1") = "6"
    & skf18("5","7","3","6","2","5","1") = "6"
    & skf18("5","7","3","6","2","6","1") = "6"
    & skf18("5","7","3","6","2","7","1") = "6"
    & skf18("5","7","3","6","2","8","1") = "7"
    & skf18("5","7","3","6","2","9","1") = "8"
    & skf18("5","7","3","6","2","10","1") = "9"
    & skf18("5","7","3","6","3","1","1") = "6"
    & skf18("5","7","3","6","3","2","1") = "6"
    & skf18("5","7","3","6","3","3","1") = "6"
    & skf18("5","7","3","6","3","4","1") = "6"
    & skf18("5","7","3","6","3","5","1") = "6"
    & skf18("5","7","3","6","3","6","1") = "6"
    & skf18("5","7","3","6","3","7","1") = "6"
    & skf18("5","7","3","6","3","8","1") = "7"
    & skf18("5","7","3","6","3","9","1") = "8"
    & skf18("5","7","3","6","3","10","1") = "9"
    & skf18("5","7","3","6","4","1","1") = "6"
    & skf18("5","7","3","6","4","2","1") = "6"
    & skf18("5","7","3","6","4","3","1") = "6"
    & skf18("5","7","3","6","4","4","1") = "6"
    & skf18("5","7","3","6","4","5","1") = "6"
    & skf18("5","7","3","6","4","6","1") = "6"
    & skf18("5","7","3","6","4","7","1") = "6"
    & skf18("5","7","3","6","4","8","1") = "7"
    & skf18("5","7","3","6","4","9","1") = "8"
    & skf18("5","7","3","6","4","10","1") = "9"
    & skf18("5","7","3","6","5","1","1") = "6"
    & skf18("5","7","3","6","5","2","1") = "6"
    & skf18("5","7","3","6","5","3","1") = "6"
    & skf18("5","7","3","6","5","4","1") = "6"
    & skf18("5","7","3","6","5","5","1") = "6"
    & skf18("5","7","3","6","5","6","1") = "6"
    & skf18("5","7","3","6","5","7","1") = "6"
    & skf18("5","7","3","6","5","8","1") = "7"
    & skf18("5","7","3","6","5","9","1") = "8"
    & skf18("5","7","3","6","5","10","1") = "9"
    & skf18("5","7","3","6","6","1","1") = "6"
    & skf18("5","7","3","6","6","2","1") = "6"
    & skf18("5","7","3","6","6","3","1") = "6"
    & skf18("5","7","3","6","6","4","1") = "6"
    & skf18("5","7","3","6","6","5","1") = "6"
    & skf18("5","7","3","6","6","6","1") = "6"
    & skf18("5","7","3","6","6","7","1") = "6"
    & skf18("5","7","3","6","6","8","1") = "7"
    & skf18("5","7","3","6","6","9","1") = "8"
    & skf18("5","7","3","6","6","10","1") = "9"
    & skf18("5","7","3","6","7","1","1") = "6"
    & skf18("5","7","3","6","7","2","1") = "6"
    & skf18("5","7","3","6","7","3","1") = "6"
    & skf18("5","7","3","6","7","4","1") = "6"
    & skf18("5","7","3","6","7","5","1") = "6"
    & skf18("5","7","3","6","7","6","1") = "6"
    & skf18("5","7","3","6","7","7","1") = "6"
    & skf18("5","7","3","6","7","8","1") = "7"
    & skf18("5","7","3","6","7","9","1") = "8"
    & skf18("5","7","3","6","7","10","1") = "9"
    & skf18("5","7","3","6","8","1","1") = "7"
    & skf18("5","7","3","6","8","2","1") = "7"
    & skf18("5","7","3","6","8","3","1") = "7"
    & skf18("5","7","3","6","8","4","1") = "7"
    & skf18("5","7","3","6","8","5","1") = "7"
    & skf18("5","7","3","6","8","6","1") = "7"
    & skf18("5","7","3","6","8","7","1") = "7"
    & skf18("5","7","3","6","8","8","1") = "7"
    & skf18("5","7","3","6","8","9","1") = "8"
    & skf18("5","7","3","6","8","10","1") = "9"
    & skf18("5","7","3","6","9","1","1") = "8"
    & skf18("5","7","3","6","9","2","1") = "8"
    & skf18("5","7","3","6","9","3","1") = "8"
    & skf18("5","7","3","6","9","4","1") = "8"
    & skf18("5","7","3","6","9","5","1") = "8"
    & skf18("5","7","3","6","9","6","1") = "8"
    & skf18("5","7","3","6","9","7","1") = "8"
    & skf18("5","7","3","6","9","8","1") = "8"
    & skf18("5","7","3","6","9","9","1") = "8"
    & skf18("5","7","3","6","9","10","1") = "9"
    & skf18("5","7","3","6","10","1","1") = "9"
    & skf18("5","7","3","6","10","2","1") = "9"
    & skf18("5","7","3","6","10","3","1") = "9"
    & skf18("5","7","3","6","10","4","1") = "9"
    & skf18("5","7","3","6","10","5","1") = "9"
    & skf18("5","7","3","6","10","6","1") = "9"
    & skf18("5","7","3","6","10","7","1") = "9"
    & skf18("5","7","3","6","10","8","1") = "9"
    & skf18("5","7","3","6","10","9","1") = "9"
    & skf18("5","7","3","6","10","10","1") = "9"
    & skf18("5","7","3","7","1","1","1") = "6"
    & skf18("5","7","3","7","1","2","1") = "6"
    & skf18("5","7","3","7","1","3","1") = "6"
    & skf18("5","7","3","7","1","4","1") = "6"
    & skf18("5","7","3","7","1","5","1") = "6"
    & skf18("5","7","3","7","1","6","1") = "6"
    & skf18("5","7","3","7","1","7","1") = "6"
    & skf18("5","7","3","7","1","8","1") = "7"
    & skf18("5","7","3","7","1","9","1") = "8"
    & skf18("5","7","3","7","1","10","1") = "9"
    & skf18("5","7","3","7","2","1","1") = "6"
    & skf18("5","7","3","7","2","2","1") = "6"
    & skf18("5","7","3","7","2","3","1") = "6"
    & skf18("5","7","3","7","2","4","1") = "6"
    & skf18("5","7","3","7","2","5","1") = "6"
    & skf18("5","7","3","7","2","6","1") = "6"
    & skf18("5","7","3","7","2","7","1") = "6"
    & skf18("5","7","3","7","2","8","1") = "7"
    & skf18("5","7","3","7","2","9","1") = "8"
    & skf18("5","7","3","7","2","10","1") = "9"
    & skf18("5","7","3","7","3","1","1") = "6"
    & skf18("5","7","3","7","3","2","1") = "6"
    & skf18("5","7","3","7","3","3","1") = "6"
    & skf18("5","7","3","7","3","4","1") = "6"
    & skf18("5","7","3","7","3","5","1") = "6"
    & skf18("5","7","3","7","3","6","1") = "6"
    & skf18("5","7","3","7","3","7","1") = "6"
    & skf18("5","7","3","7","3","8","1") = "7"
    & skf18("5","7","3","7","3","9","1") = "8"
    & skf18("5","7","3","7","3","10","1") = "9"
    & skf18("5","7","3","7","4","1","1") = "6"
    & skf18("5","7","3","7","4","2","1") = "6"
    & skf18("5","7","3","7","4","3","1") = "6"
    & skf18("5","7","3","7","4","4","1") = "6"
    & skf18("5","7","3","7","4","5","1") = "6"
    & skf18("5","7","3","7","4","6","1") = "6"
    & skf18("5","7","3","7","4","7","1") = "6"
    & skf18("5","7","3","7","4","8","1") = "7"
    & skf18("5","7","3","7","4","9","1") = "8"
    & skf18("5","7","3","7","4","10","1") = "9"
    & skf18("5","7","3","7","5","1","1") = "6"
    & skf18("5","7","3","7","5","2","1") = "6"
    & skf18("5","7","3","7","5","3","1") = "6"
    & skf18("5","7","3","7","5","4","1") = "6"
    & skf18("5","7","3","7","5","5","1") = "6"
    & skf18("5","7","3","7","5","6","1") = "6"
    & skf18("5","7","3","7","5","7","1") = "6"
    & skf18("5","7","3","7","5","8","1") = "7"
    & skf18("5","7","3","7","5","9","1") = "8"
    & skf18("5","7","3","7","5","10","1") = "9"
    & skf18("5","7","3","7","6","1","1") = "6"
    & skf18("5","7","3","7","6","2","1") = "6"
    & skf18("5","7","3","7","6","3","1") = "6"
    & skf18("5","7","3","7","6","4","1") = "6"
    & skf18("5","7","3","7","6","5","1") = "6"
    & skf18("5","7","3","7","6","6","1") = "6"
    & skf18("5","7","3","7","6","7","1") = "6"
    & skf18("5","7","3","7","6","8","1") = "7"
    & skf18("5","7","3","7","6","9","1") = "8"
    & skf18("5","7","3","7","6","10","1") = "9"
    & skf18("5","7","3","7","7","1","1") = "6"
    & skf18("5","7","3","7","7","2","1") = "6"
    & skf18("5","7","3","7","7","3","1") = "6"
    & skf18("5","7","3","7","7","4","1") = "6"
    & skf18("5","7","3","7","7","5","1") = "6"
    & skf18("5","7","3","7","7","6","1") = "6"
    & skf18("5","7","3","7","7","7","1") = "6"
    & skf18("5","7","3","7","7","8","1") = "7"
    & skf18("5","7","3","7","7","9","1") = "8"
    & skf18("5","7","3","7","7","10","1") = "9"
    & skf18("5","7","3","7","8","1","1") = "7"
    & skf18("5","7","3","7","8","2","1") = "7"
    & skf18("5","7","3","7","8","3","1") = "7"
    & skf18("5","7","3","7","8","4","1") = "7"
    & skf18("5","7","3","7","8","5","1") = "7"
    & skf18("5","7","3","7","8","6","1") = "7"
    & skf18("5","7","3","7","8","7","1") = "7"
    & skf18("5","7","3","7","8","8","1") = "7"
    & skf18("5","7","3","7","8","9","1") = "8"
    & skf18("5","7","3","7","8","10","1") = "9"
    & skf18("5","7","3","7","9","1","1") = "8"
    & skf18("5","7","3","7","9","2","1") = "8"
    & skf18("5","7","3","7","9","3","1") = "8"
    & skf18("5","7","3","7","9","4","1") = "8"
    & skf18("5","7","3","7","9","5","1") = "8"
    & skf18("5","7","3","7","9","6","1") = "8"
    & skf18("5","7","3","7","9","7","1") = "8"
    & skf18("5","7","3","7","9","8","1") = "8"
    & skf18("5","7","3","7","9","9","1") = "8"
    & skf18("5","7","3","7","9","10","1") = "9"
    & skf18("5","7","3","7","10","1","1") = "9"
    & skf18("5","7","3","7","10","2","1") = "9"
    & skf18("5","7","3","7","10","3","1") = "9"
    & skf18("5","7","3","7","10","4","1") = "9"
    & skf18("5","7","3","7","10","5","1") = "9"
    & skf18("5","7","3","7","10","6","1") = "9"
    & skf18("5","7","3","7","10","7","1") = "9"
    & skf18("5","7","3","7","10","8","1") = "9"
    & skf18("5","7","3","7","10","9","1") = "9"
    & skf18("5","7","3","7","10","10","1") = "9"
    & skf18("5","7","3","8","1","1","1") = "7"
    & skf18("5","7","3","8","1","2","1") = "7"
    & skf18("5","7","3","8","1","3","1") = "7"
    & skf18("5","7","3","8","1","4","1") = "7"
    & skf18("5","7","3","8","1","5","1") = "7"
    & skf18("5","7","3","8","1","6","1") = "7"
    & skf18("5","7","3","8","1","7","1") = "7"
    & skf18("5","7","3","8","1","8","1") = "7"
    & skf18("5","7","3","8","1","9","1") = "8"
    & skf18("5","7","3","8","1","10","1") = "9"
    & skf18("5","7","3","8","2","1","1") = "7"
    & skf18("5","7","3","8","2","2","1") = "7"
    & skf18("5","7","3","8","2","3","1") = "7"
    & skf18("5","7","3","8","2","4","1") = "7"
    & skf18("5","7","3","8","2","5","1") = "7"
    & skf18("5","7","3","8","2","6","1") = "7"
    & skf18("5","7","3","8","2","7","1") = "7"
    & skf18("5","7","3","8","2","8","1") = "7"
    & skf18("5","7","3","8","2","9","1") = "8"
    & skf18("5","7","3","8","2","10","1") = "9"
    & skf18("5","7","3","8","3","1","1") = "7"
    & skf18("5","7","3","8","3","2","1") = "7"
    & skf18("5","7","3","8","3","3","1") = "7"
    & skf18("5","7","3","8","3","4","1") = "7"
    & skf18("5","7","3","8","3","5","1") = "7"
    & skf18("5","7","3","8","3","6","1") = "7"
    & skf18("5","7","3","8","3","7","1") = "7"
    & skf18("5","7","3","8","3","8","1") = "7"
    & skf18("5","7","3","8","3","9","1") = "8"
    & skf18("5","7","3","8","3","10","1") = "9"
    & skf18("5","7","3","8","4","1","1") = "7"
    & skf18("5","7","3","8","4","2","1") = "7"
    & skf18("5","7","3","8","4","3","1") = "7"
    & skf18("5","7","3","8","4","4","1") = "7"
    & skf18("5","7","3","8","4","5","1") = "7"
    & skf18("5","7","3","8","4","6","1") = "7"
    & skf18("5","7","3","8","4","7","1") = "7"
    & skf18("5","7","3","8","4","8","1") = "7"
    & skf18("5","7","3","8","4","9","1") = "8"
    & skf18("5","7","3","8","4","10","1") = "9"
    & skf18("5","7","3","8","5","1","1") = "7"
    & skf18("5","7","3","8","5","2","1") = "7"
    & skf18("5","7","3","8","5","3","1") = "7"
    & skf18("5","7","3","8","5","4","1") = "7"
    & skf18("5","7","3","8","5","5","1") = "7"
    & skf18("5","7","3","8","5","6","1") = "7"
    & skf18("5","7","3","8","5","7","1") = "7"
    & skf18("5","7","3","8","5","8","1") = "7"
    & skf18("5","7","3","8","5","9","1") = "8"
    & skf18("5","7","3","8","5","10","1") = "9"
    & skf18("5","7","3","8","6","1","1") = "7"
    & skf18("5","7","3","8","6","2","1") = "7"
    & skf18("5","7","3","8","6","3","1") = "7"
    & skf18("5","7","3","8","6","4","1") = "7"
    & skf18("5","7","3","8","6","5","1") = "7"
    & skf18("5","7","3","8","6","6","1") = "7"
    & skf18("5","7","3","8","6","7","1") = "7"
    & skf18("5","7","3","8","6","8","1") = "7"
    & skf18("5","7","3","8","6","9","1") = "8"
    & skf18("5","7","3","8","6","10","1") = "9"
    & skf18("5","7","3","8","7","1","1") = "7"
    & skf18("5","7","3","8","7","2","1") = "7"
    & skf18("5","7","3","8","7","3","1") = "7"
    & skf18("5","7","3","8","7","4","1") = "7"
    & skf18("5","7","3","8","7","5","1") = "7"
    & skf18("5","7","3","8","7","6","1") = "7"
    & skf18("5","7","3","8","7","7","1") = "7"
    & skf18("5","7","3","8","7","8","1") = "7"
    & skf18("5","7","3","8","7","9","1") = "8"
    & skf18("5","7","3","8","7","10","1") = "9"
    & skf18("5","7","3","8","8","1","1") = "7"
    & skf18("5","7","3","8","8","2","1") = "7"
    & skf18("5","7","3","8","8","3","1") = "7"
    & skf18("5","7","3","8","8","4","1") = "7"
    & skf18("5","7","3","8","8","5","1") = "7"
    & skf18("5","7","3","8","8","6","1") = "7"
    & skf18("5","7","3","8","8","7","1") = "7"
    & skf18("5","7","3","8","8","8","1") = "7"
    & skf18("5","7","3","8","8","9","1") = "8"
    & skf18("5","7","3","8","8","10","1") = "9"
    & skf18("5","7","3","8","9","1","1") = "8"
    & skf18("5","7","3","8","9","2","1") = "8"
    & skf18("5","7","3","8","9","3","1") = "8"
    & skf18("5","7","3","8","9","4","1") = "8"
    & skf18("5","7","3","8","9","5","1") = "8"
    & skf18("5","7","3","8","9","6","1") = "8"
    & skf18("5","7","3","8","9","7","1") = "8"
    & skf18("5","7","3","8","9","8","1") = "8"
    & skf18("5","7","3","8","9","9","1") = "8"
    & skf18("5","7","3","8","9","10","1") = "9"
    & skf18("5","7","3","8","10","1","1") = "9"
    & skf18("5","7","3","8","10","2","1") = "9"
    & skf18("5","7","3","8","10","3","1") = "9"
    & skf18("5","7","3","8","10","4","1") = "9"
    & skf18("5","7","3","8","10","5","1") = "9"
    & skf18("5","7","3","8","10","6","1") = "9"
    & skf18("5","7","3","8","10","7","1") = "9"
    & skf18("5","7","3","8","10","8","1") = "9"
    & skf18("5","7","3","8","10","9","1") = "9"
    & skf18("5","7","3","8","10","10","1") = "9"
    & skf18("5","7","3","9","1","1","1") = "8"
    & skf18("5","7","3","9","1","2","1") = "8"
    & skf18("5","7","3","9","1","3","1") = "8"
    & skf18("5","7","3","9","1","4","1") = "8"
    & skf18("5","7","3","9","1","5","1") = "8"
    & skf18("5","7","3","9","1","6","1") = "8"
    & skf18("5","7","3","9","1","7","1") = "8"
    & skf18("5","7","3","9","1","8","1") = "8"
    & skf18("5","7","3","9","1","9","1") = "8"
    & skf18("5","7","3","9","1","10","1") = "9"
    & skf18("5","7","3","9","2","1","1") = "8"
    & skf18("5","7","3","9","2","2","1") = "8"
    & skf18("5","7","3","9","2","3","1") = "8"
    & skf18("5","7","3","9","2","4","1") = "8"
    & skf18("5","7","3","9","2","5","1") = "8"
    & skf18("5","7","3","9","2","6","1") = "8"
    & skf18("5","7","3","9","2","7","1") = "8"
    & skf18("5","7","3","9","2","8","1") = "8"
    & skf18("5","7","3","9","2","9","1") = "8"
    & skf18("5","7","3","9","2","10","1") = "9"
    & skf18("5","7","3","9","3","1","1") = "8"
    & skf18("5","7","3","9","3","2","1") = "8"
    & skf18("5","7","3","9","3","3","1") = "8"
    & skf18("5","7","3","9","3","4","1") = "8"
    & skf18("5","7","3","9","3","5","1") = "8"
    & skf18("5","7","3","9","3","6","1") = "8"
    & skf18("5","7","3","9","3","7","1") = "8"
    & skf18("5","7","3","9","3","8","1") = "8"
    & skf18("5","7","3","9","3","9","1") = "8"
    & skf18("5","7","3","9","3","10","1") = "9"
    & skf18("5","7","3","9","4","1","1") = "8"
    & skf18("5","7","3","9","4","2","1") = "8"
    & skf18("5","7","3","9","4","3","1") = "8"
    & skf18("5","7","3","9","4","4","1") = "8"
    & skf18("5","7","3","9","4","5","1") = "8"
    & skf18("5","7","3","9","4","6","1") = "8"
    & skf18("5","7","3","9","4","7","1") = "8"
    & skf18("5","7","3","9","4","8","1") = "8"
    & skf18("5","7","3","9","4","9","1") = "8"
    & skf18("5","7","3","9","4","10","1") = "9"
    & skf18("5","7","3","9","5","1","1") = "8"
    & skf18("5","7","3","9","5","2","1") = "8"
    & skf18("5","7","3","9","5","3","1") = "8"
    & skf18("5","7","3","9","5","4","1") = "8"
    & skf18("5","7","3","9","5","5","1") = "8"
    & skf18("5","7","3","9","5","6","1") = "8"
    & skf18("5","7","3","9","5","7","1") = "8"
    & skf18("5","7","3","9","5","8","1") = "8"
    & skf18("5","7","3","9","5","9","1") = "8"
    & skf18("5","7","3","9","5","10","1") = "9"
    & skf18("5","7","3","9","6","1","1") = "8"
    & skf18("5","7","3","9","6","2","1") = "8"
    & skf18("5","7","3","9","6","3","1") = "8"
    & skf18("5","7","3","9","6","4","1") = "8"
    & skf18("5","7","3","9","6","5","1") = "8"
    & skf18("5","7","3","9","6","6","1") = "8"
    & skf18("5","7","3","9","6","7","1") = "8"
    & skf18("5","7","3","9","6","8","1") = "8"
    & skf18("5","7","3","9","6","9","1") = "8"
    & skf18("5","7","3","9","6","10","1") = "9"
    & skf18("5","7","3","9","7","1","1") = "8"
    & skf18("5","7","3","9","7","2","1") = "8"
    & skf18("5","7","3","9","7","3","1") = "8"
    & skf18("5","7","3","9","7","4","1") = "8"
    & skf18("5","7","3","9","7","5","1") = "8"
    & skf18("5","7","3","9","7","6","1") = "8"
    & skf18("5","7","3","9","7","7","1") = "8"
    & skf18("5","7","3","9","7","8","1") = "8"
    & skf18("5","7","3","9","7","9","1") = "8"
    & skf18("5","7","3","9","7","10","1") = "9"
    & skf18("5","7","3","9","8","1","1") = "8"
    & skf18("5","7","3","9","8","2","1") = "8"
    & skf18("5","7","3","9","8","3","1") = "8"
    & skf18("5","7","3","9","8","4","1") = "8"
    & skf18("5","7","3","9","8","5","1") = "8"
    & skf18("5","7","3","9","8","6","1") = "8"
    & skf18("5","7","3","9","8","7","1") = "8"
    & skf18("5","7","3","9","8","8","1") = "8"
    & skf18("5","7","3","9","8","9","1") = "8"
    & skf18("5","7","3","9","8","10","1") = "9"
    & skf18("5","7","3","9","9","1","1") = "8"
    & skf18("5","7","3","9","9","2","1") = "8"
    & skf18("5","7","3","9","9","3","1") = "8"
    & skf18("5","7","3","9","9","4","1") = "8"
    & skf18("5","7","3","9","9","5","1") = "8"
    & skf18("5","7","3","9","9","6","1") = "8"
    & skf18("5","7","3","9","9","7","1") = "8"
    & skf18("5","7","3","9","9","8","1") = "8"
    & skf18("5","7","3","9","9","9","1") = "8"
    & skf18("5","7","3","9","9","10","1") = "9"
    & skf18("5","7","3","9","10","1","1") = "9"
    & skf18("5","7","3","9","10","2","1") = "9"
    & skf18("5","7","3","9","10","3","1") = "9"
    & skf18("5","7","3","9","10","4","1") = "9"
    & skf18("5","7","3","9","10","5","1") = "9"
    & skf18("5","7","3","9","10","6","1") = "9"
    & skf18("5","7","3","9","10","7","1") = "9"
    & skf18("5","7","3","9","10","8","1") = "9"
    & skf18("5","7","3","9","10","9","1") = "9"
    & skf18("5","7","3","9","10","10","1") = "9"
    & skf18("5","7","3","10","1","1","1") = "9"
    & skf18("5","7","3","10","1","2","1") = "9"
    & skf18("5","7","3","10","1","3","1") = "9"
    & skf18("5","7","3","10","1","4","1") = "9"
    & skf18("5","7","3","10","1","5","1") = "9"
    & skf18("5","7","3","10","1","6","1") = "9"
    & skf18("5","7","3","10","1","7","1") = "9"
    & skf18("5","7","3","10","1","8","1") = "9"
    & skf18("5","7","3","10","1","9","1") = "9"
    & skf18("5","7","3","10","1","10","1") = "9"
    & skf18("5","7","3","10","2","1","1") = "9"
    & skf18("5","7","3","10","2","2","1") = "9"
    & skf18("5","7","3","10","2","3","1") = "9"
    & skf18("5","7","3","10","2","4","1") = "9"
    & skf18("5","7","3","10","2","5","1") = "9"
    & skf18("5","7","3","10","2","6","1") = "9"
    & skf18("5","7","3","10","2","7","1") = "9"
    & skf18("5","7","3","10","2","8","1") = "9"
    & skf18("5","7","3","10","2","9","1") = "9"
    & skf18("5","7","3","10","2","10","1") = "9"
    & skf18("5","7","3","10","3","1","1") = "9"
    & skf18("5","7","3","10","3","2","1") = "9"
    & skf18("5","7","3","10","3","3","1") = "9"
    & skf18("5","7","3","10","3","4","1") = "9"
    & skf18("5","7","3","10","3","5","1") = "9"
    & skf18("5","7","3","10","3","6","1") = "9"
    & skf18("5","7","3","10","3","7","1") = "9"
    & skf18("5","7","3","10","3","8","1") = "9"
    & skf18("5","7","3","10","3","9","1") = "9"
    & skf18("5","7","3","10","3","10","1") = "9"
    & skf18("5","7","3","10","4","1","1") = "9"
    & skf18("5","7","3","10","4","2","1") = "9"
    & skf18("5","7","3","10","4","3","1") = "9"
    & skf18("5","7","3","10","4","4","1") = "9"
    & skf18("5","7","3","10","4","5","1") = "9"
    & skf18("5","7","3","10","4","6","1") = "9"
    & skf18("5","7","3","10","4","7","1") = "9"
    & skf18("5","7","3","10","4","8","1") = "9"
    & skf18("5","7","3","10","4","9","1") = "9"
    & skf18("5","7","3","10","4","10","1") = "9"
    & skf18("5","7","3","10","5","1","1") = "9"
    & skf18("5","7","3","10","5","2","1") = "9"
    & skf18("5","7","3","10","5","3","1") = "9"
    & skf18("5","7","3","10","5","4","1") = "9"
    & skf18("5","7","3","10","5","5","1") = "9"
    & skf18("5","7","3","10","5","6","1") = "9"
    & skf18("5","7","3","10","5","7","1") = "9"
    & skf18("5","7","3","10","5","8","1") = "9"
    & skf18("5","7","3","10","5","9","1") = "9"
    & skf18("5","7","3","10","5","10","1") = "9"
    & skf18("5","7","3","10","6","1","1") = "9"
    & skf18("5","7","3","10","6","2","1") = "9"
    & skf18("5","7","3","10","6","3","1") = "9"
    & skf18("5","7","3","10","6","4","1") = "9"
    & skf18("5","7","3","10","6","5","1") = "9"
    & skf18("5","7","3","10","6","6","1") = "9"
    & skf18("5","7","3","10","6","7","1") = "9"
    & skf18("5","7","3","10","6","8","1") = "9"
    & skf18("5","7","3","10","6","9","1") = "9"
    & skf18("5","7","3","10","6","10","1") = "9"
    & skf18("5","7","3","10","7","1","1") = "9"
    & skf18("5","7","3","10","7","2","1") = "9"
    & skf18("5","7","3","10","7","3","1") = "9"
    & skf18("5","7","3","10","7","4","1") = "9"
    & skf18("5","7","3","10","7","5","1") = "9"
    & skf18("5","7","3","10","7","6","1") = "9"
    & skf18("5","7","3","10","7","7","1") = "9"
    & skf18("5","7","3","10","7","8","1") = "9"
    & skf18("5","7","3","10","7","9","1") = "9"
    & skf18("5","7","3","10","7","10","1") = "9"
    & skf18("5","7","3","10","8","1","1") = "9"
    & skf18("5","7","3","10","8","2","1") = "9"
    & skf18("5","7","3","10","8","3","1") = "9"
    & skf18("5","7","3","10","8","4","1") = "9"
    & skf18("5","7","3","10","8","5","1") = "9"
    & skf18("5","7","3","10","8","6","1") = "9"
    & skf18("5","7","3","10","8","7","1") = "9"
    & skf18("5","7","3","10","8","8","1") = "9"
    & skf18("5","7","3","10","8","9","1") = "9"
    & skf18("5","7","3","10","8","10","1") = "9"
    & skf18("5","7","3","10","9","1","1") = "9"
    & skf18("5","7","3","10","9","2","1") = "9"
    & skf18("5","7","3","10","9","3","1") = "9"
    & skf18("5","7","3","10","9","4","1") = "9"
    & skf18("5","7","3","10","9","5","1") = "9"
    & skf18("5","7","3","10","9","6","1") = "9"
    & skf18("5","7","3","10","9","7","1") = "9"
    & skf18("5","7","3","10","9","8","1") = "9"
    & skf18("5","7","3","10","9","9","1") = "9"
    & skf18("5","7","3","10","9","10","1") = "9"
    & skf18("5","7","3","10","10","1","1") = "9"
    & skf18("5","7","3","10","10","2","1") = "9"
    & skf18("5","7","3","10","10","3","1") = "9"
    & skf18("5","7","3","10","10","4","1") = "9"
    & skf18("5","7","3","10","10","5","1") = "9"
    & skf18("5","7","3","10","10","6","1") = "9"
    & skf18("5","7","3","10","10","7","1") = "9"
    & skf18("5","7","3","10","10","8","1") = "9"
    & skf18("5","7","3","10","10","9","1") = "9"
    & skf18("5","7","3","10","10","10","1") = "9"
    & skf18("5","7","4","1","1","1","1") = "6"
    & skf18("5","7","4","1","1","2","1") = "6"
    & skf18("5","7","4","1","1","3","1") = "6"
    & skf18("5","7","4","1","1","4","1") = "6"
    & skf18("5","7","4","1","1","5","1") = "6"
    & skf18("5","7","4","1","1","6","1") = "6"
    & skf18("5","7","4","1","1","7","1") = "6"
    & skf18("5","7","4","1","1","8","1") = "7"
    & skf18("5","7","4","1","1","9","1") = "8"
    & skf18("5","7","4","1","1","10","1") = "9"
    & skf18("5","7","4","1","2","1","1") = "6"
    & skf18("5","7","4","1","2","2","1") = "6"
    & skf18("5","7","4","1","2","3","1") = "6"
    & skf18("5","7","4","1","2","4","1") = "6"
    & skf18("5","7","4","1","2","5","1") = "6"
    & skf18("5","7","4","1","2","6","1") = "6"
    & skf18("5","7","4","1","2","7","1") = "6"
    & skf18("5","7","4","1","2","8","1") = "7"
    & skf18("5","7","4","1","2","9","1") = "8"
    & skf18("5","7","4","1","2","10","1") = "9"
    & skf18("5","7","4","1","3","1","1") = "6"
    & skf18("5","7","4","1","3","2","1") = "6"
    & skf18("5","7","4","1","3","3","1") = "6"
    & skf18("5","7","4","1","3","4","1") = "6"
    & skf18("5","7","4","1","3","5","1") = "6"
    & skf18("5","7","4","1","3","6","1") = "6"
    & skf18("5","7","4","1","3","7","1") = "6"
    & skf18("5","7","4","1","3","8","1") = "7"
    & skf18("5","7","4","1","3","9","1") = "8"
    & skf18("5","7","4","1","3","10","1") = "9"
    & skf18("5","7","4","1","4","1","1") = "6"
    & skf18("5","7","4","1","4","2","1") = "6"
    & skf18("5","7","4","1","4","3","1") = "6"
    & skf18("5","7","4","1","4","4","1") = "6"
    & skf18("5","7","4","1","4","5","1") = "6"
    & skf18("5","7","4","1","4","6","1") = "6"
    & skf18("5","7","4","1","4","7","1") = "6"
    & skf18("5","7","4","1","4","8","1") = "7"
    & skf18("5","7","4","1","4","9","1") = "8"
    & skf18("5","7","4","1","4","10","1") = "9"
    & skf18("5","7","4","1","5","1","1") = "6"
    & skf18("5","7","4","1","5","2","1") = "6"
    & skf18("5","7","4","1","5","3","1") = "6"
    & skf18("5","7","4","1","5","4","1") = "6"
    & skf18("5","7","4","1","5","5","1") = "6"
    & skf18("5","7","4","1","5","6","1") = "6"
    & skf18("5","7","4","1","5","7","1") = "6"
    & skf18("5","7","4","1","5","8","1") = "7"
    & skf18("5","7","4","1","5","9","1") = "8"
    & skf18("5","7","4","1","5","10","1") = "9"
    & skf18("5","7","4","1","6","1","1") = "6"
    & skf18("5","7","4","1","6","2","1") = "6"
    & skf18("5","7","4","1","6","3","1") = "6"
    & skf18("5","7","4","1","6","4","1") = "6"
    & skf18("5","7","4","1","6","5","1") = "6"
    & skf18("5","7","4","1","6","6","1") = "6"
    & skf18("5","7","4","1","6","7","1") = "6"
    & skf18("5","7","4","1","6","8","1") = "7"
    & skf18("5","7","4","1","6","9","1") = "8"
    & skf18("5","7","4","1","6","10","1") = "9"
    & skf18("5","7","4","1","7","1","1") = "6"
    & skf18("5","7","4","1","7","2","1") = "6"
    & skf18("5","7","4","1","7","3","1") = "6"
    & skf18("5","7","4","1","7","4","1") = "6"
    & skf18("5","7","4","1","7","5","1") = "6"
    & skf18("5","7","4","1","7","6","1") = "6"
    & skf18("5","7","4","1","7","7","1") = "6"
    & skf18("5","7","4","1","7","8","1") = "7"
    & skf18("5","7","4","1","7","9","1") = "8"
    & skf18("5","7","4","1","7","10","1") = "9"
    & skf18("5","7","4","1","8","1","1") = "7"
    & skf18("5","7","4","1","8","2","1") = "7"
    & skf18("5","7","4","1","8","3","1") = "7"
    & skf18("5","7","4","1","8","4","1") = "7"
    & skf18("5","7","4","1","8","5","1") = "7"
    & skf18("5","7","4","1","8","6","1") = "7"
    & skf18("5","7","4","1","8","7","1") = "7"
    & skf18("5","7","4","1","8","8","1") = "7"
    & skf18("5","7","4","1","8","9","1") = "8"
    & skf18("5","7","4","1","8","10","1") = "9"
    & skf18("5","7","4","1","9","1","1") = "8"
    & skf18("5","7","4","1","9","2","1") = "8"
    & skf18("5","7","4","1","9","3","1") = "8"
    & skf18("5","7","4","1","9","4","1") = "8"
    & skf18("5","7","4","1","9","5","1") = "8"
    & skf18("5","7","4","1","9","6","1") = "8"
    & skf18("5","7","4","1","9","7","1") = "8"
    & skf18("5","7","4","1","9","8","1") = "8"
    & skf18("5","7","4","1","9","9","1") = "8"
    & skf18("5","7","4","1","9","10","1") = "9"
    & skf18("5","7","4","1","10","1","1") = "9"
    & skf18("5","7","4","1","10","2","1") = "9"
    & skf18("5","7","4","1","10","3","1") = "9"
    & skf18("5","7","4","1","10","4","1") = "9"
    & skf18("5","7","4","1","10","5","1") = "9"
    & skf18("5","7","4","1","10","6","1") = "9"
    & skf18("5","7","4","1","10","7","1") = "9"
    & skf18("5","7","4","1","10","8","1") = "9"
    & skf18("5","7","4","1","10","9","1") = "9"
    & skf18("5","7","4","1","10","10","1") = "9"
    & skf18("5","7","4","2","1","1","1") = "6"
    & skf18("5","7","4","2","1","2","1") = "6"
    & skf18("5","7","4","2","1","3","1") = "6"
    & skf18("5","7","4","2","1","4","1") = "6"
    & skf18("5","7","4","2","1","5","1") = "6"
    & skf18("5","7","4","2","1","6","1") = "6"
    & skf18("5","7","4","2","1","7","1") = "6"
    & skf18("5","7","4","2","1","8","1") = "7"
    & skf18("5","7","4","2","1","9","1") = "8"
    & skf18("5","7","4","2","1","10","1") = "9"
    & skf18("5","7","4","2","2","1","1") = "6"
    & skf18("5","7","4","2","2","2","1") = "6"
    & skf18("5","7","4","2","2","3","1") = "6"
    & skf18("5","7","4","2","2","4","1") = "6"
    & skf18("5","7","4","2","2","5","1") = "6"
    & skf18("5","7","4","2","2","6","1") = "6"
    & skf18("5","7","4","2","2","7","1") = "6"
    & skf18("5","7","4","2","2","8","1") = "7"
    & skf18("5","7","4","2","2","9","1") = "8"
    & skf18("5","7","4","2","2","10","1") = "9"
    & skf18("5","7","4","2","3","1","1") = "6"
    & skf18("5","7","4","2","3","2","1") = "6"
    & skf18("5","7","4","2","3","3","1") = "6"
    & skf18("5","7","4","2","3","4","1") = "6"
    & skf18("5","7","4","2","3","5","1") = "6"
    & skf18("5","7","4","2","3","6","1") = "6"
    & skf18("5","7","4","2","3","7","1") = "6"
    & skf18("5","7","4","2","3","8","1") = "7"
    & skf18("5","7","4","2","3","9","1") = "8"
    & skf18("5","7","4","2","3","10","1") = "9"
    & skf18("5","7","4","2","4","1","1") = "6"
    & skf18("5","7","4","2","4","2","1") = "6"
    & skf18("5","7","4","2","4","3","1") = "6"
    & skf18("5","7","4","2","4","4","1") = "6"
    & skf18("5","7","4","2","4","5","1") = "6"
    & skf18("5","7","4","2","4","6","1") = "6"
    & skf18("5","7","4","2","4","7","1") = "6"
    & skf18("5","7","4","2","4","8","1") = "7"
    & skf18("5","7","4","2","4","9","1") = "8"
    & skf18("5","7","4","2","4","10","1") = "9"
    & skf18("5","7","4","2","5","1","1") = "6"
    & skf18("5","7","4","2","5","2","1") = "6"
    & skf18("5","7","4","2","5","3","1") = "6"
    & skf18("5","7","4","2","5","4","1") = "6"
    & skf18("5","7","4","2","5","5","1") = "6"
    & skf18("5","7","4","2","5","6","1") = "6"
    & skf18("5","7","4","2","5","7","1") = "6"
    & skf18("5","7","4","2","5","8","1") = "7"
    & skf18("5","7","4","2","5","9","1") = "8"
    & skf18("5","7","4","2","5","10","1") = "9"
    & skf18("5","7","4","2","6","1","1") = "6"
    & skf18("5","7","4","2","6","2","1") = "6"
    & skf18("5","7","4","2","6","3","1") = "6"
    & skf18("5","7","4","2","6","4","1") = "6"
    & skf18("5","7","4","2","6","5","1") = "6"
    & skf18("5","7","4","2","6","6","1") = "6"
    & skf18("5","7","4","2","6","7","1") = "6"
    & skf18("5","7","4","2","6","8","1") = "7"
    & skf18("5","7","4","2","6","9","1") = "8"
    & skf18("5","7","4","2","6","10","1") = "9"
    & skf18("5","7","4","2","7","1","1") = "6"
    & skf18("5","7","4","2","7","2","1") = "6"
    & skf18("5","7","4","2","7","3","1") = "6"
    & skf18("5","7","4","2","7","4","1") = "6"
    & skf18("5","7","4","2","7","5","1") = "6"
    & skf18("5","7","4","2","7","6","1") = "6"
    & skf18("5","7","4","2","7","7","1") = "6"
    & skf18("5","7","4","2","7","8","1") = "7"
    & skf18("5","7","4","2","7","9","1") = "8"
    & skf18("5","7","4","2","7","10","1") = "9"
    & skf18("5","7","4","2","8","1","1") = "7"
    & skf18("5","7","4","2","8","2","1") = "7"
    & skf18("5","7","4","2","8","3","1") = "7"
    & skf18("5","7","4","2","8","4","1") = "7"
    & skf18("5","7","4","2","8","5","1") = "7"
    & skf18("5","7","4","2","8","6","1") = "7"
    & skf18("5","7","4","2","8","7","1") = "7"
    & skf18("5","7","4","2","8","8","1") = "7"
    & skf18("5","7","4","2","8","9","1") = "8"
    & skf18("5","7","4","2","8","10","1") = "9"
    & skf18("5","7","4","2","9","1","1") = "8"
    & skf18("5","7","4","2","9","2","1") = "8"
    & skf18("5","7","4","2","9","3","1") = "8"
    & skf18("5","7","4","2","9","4","1") = "8"
    & skf18("5","7","4","2","9","5","1") = "8"
    & skf18("5","7","4","2","9","6","1") = "8"
    & skf18("5","7","4","2","9","7","1") = "8"
    & skf18("5","7","4","2","9","8","1") = "8"
    & skf18("5","7","4","2","9","9","1") = "8"
    & skf18("5","7","4","2","9","10","1") = "9"
    & skf18("5","7","4","2","10","1","1") = "9"
    & skf18("5","7","4","2","10","2","1") = "9"
    & skf18("5","7","4","2","10","3","1") = "9"
    & skf18("5","7","4","2","10","4","1") = "9"
    & skf18("5","7","4","2","10","5","1") = "9"
    & skf18("5","7","4","2","10","6","1") = "9"
    & skf18("5","7","4","2","10","7","1") = "9"
    & skf18("5","7","4","2","10","8","1") = "9"
    & skf18("5","7","4","2","10","9","1") = "9"
    & skf18("5","7","4","2","10","10","1") = "9"
    & skf18("5","7","4","3","1","1","1") = "6"
    & skf18("5","7","4","3","1","2","1") = "6"
    & skf18("5","7","4","3","1","3","1") = "6"
    & skf18("5","7","4","3","1","4","1") = "6"
    & skf18("5","7","4","3","1","5","1") = "6"
    & skf18("5","7","4","3","1","6","1") = "6"
    & skf18("5","7","4","3","1","7","1") = "6"
    & skf18("5","7","4","3","1","8","1") = "7"
    & skf18("5","7","4","3","1","9","1") = "8"
    & skf18("5","7","4","3","1","10","1") = "9"
    & skf18("5","7","4","3","2","1","1") = "6"
    & skf18("5","7","4","3","2","2","1") = "6"
    & skf18("5","7","4","3","2","3","1") = "6"
    & skf18("5","7","4","3","2","4","1") = "6"
    & skf18("5","7","4","3","2","5","1") = "6"
    & skf18("5","7","4","3","2","6","1") = "6"
    & skf18("5","7","4","3","2","7","1") = "6"
    & skf18("5","7","4","3","2","8","1") = "7"
    & skf18("5","7","4","3","2","9","1") = "8"
    & skf18("5","7","4","3","2","10","1") = "9"
    & skf18("5","7","4","3","3","1","1") = "6"
    & skf18("5","7","4","3","3","2","1") = "6"
    & skf18("5","7","4","3","3","3","1") = "6"
    & skf18("5","7","4","3","3","4","1") = "6"
    & skf18("5","7","4","3","3","5","1") = "6"
    & skf18("5","7","4","3","3","6","1") = "6"
    & skf18("5","7","4","3","3","7","1") = "6"
    & skf18("5","7","4","3","3","8","1") = "7"
    & skf18("5","7","4","3","3","9","1") = "8"
    & skf18("5","7","4","3","3","10","1") = "9"
    & skf18("5","7","4","3","4","1","1") = "6"
    & skf18("5","7","4","3","4","2","1") = "6"
    & skf18("5","7","4","3","4","3","1") = "6"
    & skf18("5","7","4","3","4","4","1") = "6"
    & skf18("5","7","4","3","4","5","1") = "6"
    & skf18("5","7","4","3","4","6","1") = "6"
    & skf18("5","7","4","3","4","7","1") = "6"
    & skf18("5","7","4","3","4","8","1") = "7"
    & skf18("5","7","4","3","4","9","1") = "8"
    & skf18("5","7","4","3","4","10","1") = "9"
    & skf18("5","7","4","3","5","1","1") = "6"
    & skf18("5","7","4","3","5","2","1") = "6"
    & skf18("5","7","4","3","5","3","1") = "6"
    & skf18("5","7","4","3","5","4","1") = "6"
    & skf18("5","7","4","3","5","5","1") = "6"
    & skf18("5","7","4","3","5","6","1") = "6"
    & skf18("5","7","4","3","5","7","1") = "6"
    & skf18("5","7","4","3","5","8","1") = "7"
    & skf18("5","7","4","3","5","9","1") = "8"
    & skf18("5","7","4","3","5","10","1") = "9"
    & skf18("5","7","4","3","6","1","1") = "6"
    & skf18("5","7","4","3","6","2","1") = "6"
    & skf18("5","7","4","3","6","3","1") = "6"
    & skf18("5","7","4","3","6","4","1") = "6"
    & skf18("5","7","4","3","6","5","1") = "6"
    & skf18("5","7","4","3","6","6","1") = "6"
    & skf18("5","7","4","3","6","7","1") = "6"
    & skf18("5","7","4","3","6","8","1") = "7"
    & skf18("5","7","4","3","6","9","1") = "8"
    & skf18("5","7","4","3","6","10","1") = "9"
    & skf18("5","7","4","3","7","1","1") = "6"
    & skf18("5","7","4","3","7","2","1") = "6"
    & skf18("5","7","4","3","7","3","1") = "6"
    & skf18("5","7","4","3","7","4","1") = "6"
    & skf18("5","7","4","3","7","5","1") = "6"
    & skf18("5","7","4","3","7","6","1") = "6"
    & skf18("5","7","4","3","7","7","1") = "6"
    & skf18("5","7","4","3","7","8","1") = "7"
    & skf18("5","7","4","3","7","9","1") = "8"
    & skf18("5","7","4","3","7","10","1") = "9"
    & skf18("5","7","4","3","8","1","1") = "7"
    & skf18("5","7","4","3","8","2","1") = "7"
    & skf18("5","7","4","3","8","3","1") = "7"
    & skf18("5","7","4","3","8","4","1") = "7"
    & skf18("5","7","4","3","8","5","1") = "7"
    & skf18("5","7","4","3","8","6","1") = "7"
    & skf18("5","7","4","3","8","7","1") = "7"
    & skf18("5","7","4","3","8","8","1") = "7"
    & skf18("5","7","4","3","8","9","1") = "8"
    & skf18("5","7","4","3","8","10","1") = "9"
    & skf18("5","7","4","3","9","1","1") = "8"
    & skf18("5","7","4","3","9","2","1") = "8"
    & skf18("5","7","4","3","9","3","1") = "8"
    & skf18("5","7","4","3","9","4","1") = "8"
    & skf18("5","7","4","3","9","5","1") = "8"
    & skf18("5","7","4","3","9","6","1") = "8"
    & skf18("5","7","4","3","9","7","1") = "8"
    & skf18("5","7","4","3","9","8","1") = "8"
    & skf18("5","7","4","3","9","9","1") = "8"
    & skf18("5","7","4","3","9","10","1") = "9"
    & skf18("5","7","4","3","10","1","1") = "9"
    & skf18("5","7","4","3","10","2","1") = "9"
    & skf18("5","7","4","3","10","3","1") = "9"
    & skf18("5","7","4","3","10","4","1") = "9"
    & skf18("5","7","4","3","10","5","1") = "9"
    & skf18("5","7","4","3","10","6","1") = "9"
    & skf18("5","7","4","3","10","7","1") = "9"
    & skf18("5","7","4","3","10","8","1") = "9"
    & skf18("5","7","4","3","10","9","1") = "9"
    & skf18("5","7","4","3","10","10","1") = "9"
    & skf18("5","7","4","4","1","1","1") = "6"
    & skf18("5","7","4","4","1","2","1") = "6"
    & skf18("5","7","4","4","1","3","1") = "6"
    & skf18("5","7","4","4","1","4","1") = "6"
    & skf18("5","7","4","4","1","5","1") = "6"
    & skf18("5","7","4","4","1","6","1") = "6"
    & skf18("5","7","4","4","1","7","1") = "6"
    & skf18("5","7","4","4","1","8","1") = "7"
    & skf18("5","7","4","4","1","9","1") = "8"
    & skf18("5","7","4","4","1","10","1") = "9"
    & skf18("5","7","4","4","2","1","1") = "6"
    & skf18("5","7","4","4","2","2","1") = "6"
    & skf18("5","7","4","4","2","3","1") = "6"
    & skf18("5","7","4","4","2","4","1") = "6"
    & skf18("5","7","4","4","2","5","1") = "6"
    & skf18("5","7","4","4","2","6","1") = "6"
    & skf18("5","7","4","4","2","7","1") = "6"
    & skf18("5","7","4","4","2","8","1") = "7"
    & skf18("5","7","4","4","2","9","1") = "8"
    & skf18("5","7","4","4","2","10","1") = "9"
    & skf18("5","7","4","4","3","1","1") = "6"
    & skf18("5","7","4","4","3","2","1") = "6"
    & skf18("5","7","4","4","3","3","1") = "6"
    & skf18("5","7","4","4","3","4","1") = "6"
    & skf18("5","7","4","4","3","5","1") = "6"
    & skf18("5","7","4","4","3","6","1") = "6"
    & skf18("5","7","4","4","3","7","1") = "6"
    & skf18("5","7","4","4","3","8","1") = "7"
    & skf18("5","7","4","4","3","9","1") = "8"
    & skf18("5","7","4","4","3","10","1") = "9"
    & skf18("5","7","4","4","4","1","1") = "6"
    & skf18("5","7","4","4","4","2","1") = "6"
    & skf18("5","7","4","4","4","3","1") = "6"
    & skf18("5","7","4","4","4","4","1") = "6"
    & skf18("5","7","4","4","4","5","1") = "6"
    & skf18("5","7","4","4","4","6","1") = "6"
    & skf18("5","7","4","4","4","7","1") = "6"
    & skf18("5","7","4","4","4","8","1") = "7"
    & skf18("5","7","4","4","4","9","1") = "8"
    & skf18("5","7","4","4","4","10","1") = "9"
    & skf18("5","7","4","4","5","1","1") = "6"
    & skf18("5","7","4","4","5","2","1") = "6"
    & skf18("5","7","4","4","5","3","1") = "6"
    & skf18("5","7","4","4","5","4","1") = "6"
    & skf18("5","7","4","4","5","5","1") = "6"
    & skf18("5","7","4","4","5","6","1") = "6"
    & skf18("5","7","4","4","5","7","1") = "6"
    & skf18("5","7","4","4","5","8","1") = "7"
    & skf18("5","7","4","4","5","9","1") = "8"
    & skf18("5","7","4","4","5","10","1") = "9"
    & skf18("5","7","4","4","6","1","1") = "6"
    & skf18("5","7","4","4","6","2","1") = "6"
    & skf18("5","7","4","4","6","3","1") = "6"
    & skf18("5","7","4","4","6","4","1") = "6"
    & skf18("5","7","4","4","6","5","1") = "6"
    & skf18("5","7","4","4","6","6","1") = "6"
    & skf18("5","7","4","4","6","7","1") = "6"
    & skf18("5","7","4","4","6","8","1") = "7"
    & skf18("5","7","4","4","6","9","1") = "8"
    & skf18("5","7","4","4","6","10","1") = "9"
    & skf18("5","7","4","4","7","1","1") = "6"
    & skf18("5","7","4","4","7","2","1") = "6"
    & skf18("5","7","4","4","7","3","1") = "6"
    & skf18("5","7","4","4","7","4","1") = "6"
    & skf18("5","7","4","4","7","5","1") = "6"
    & skf18("5","7","4","4","7","6","1") = "6"
    & skf18("5","7","4","4","7","7","1") = "6"
    & skf18("5","7","4","4","7","8","1") = "7"
    & skf18("5","7","4","4","7","9","1") = "8"
    & skf18("5","7","4","4","7","10","1") = "9"
    & skf18("5","7","4","4","8","1","1") = "7"
    & skf18("5","7","4","4","8","2","1") = "7"
    & skf18("5","7","4","4","8","3","1") = "7"
    & skf18("5","7","4","4","8","4","1") = "7"
    & skf18("5","7","4","4","8","5","1") = "7"
    & skf18("5","7","4","4","8","6","1") = "7"
    & skf18("5","7","4","4","8","7","1") = "7"
    & skf18("5","7","4","4","8","8","1") = "7"
    & skf18("5","7","4","4","8","9","1") = "8"
    & skf18("5","7","4","4","8","10","1") = "9"
    & skf18("5","7","4","4","9","1","1") = "8"
    & skf18("5","7","4","4","9","2","1") = "8"
    & skf18("5","7","4","4","9","3","1") = "8"
    & skf18("5","7","4","4","9","4","1") = "8"
    & skf18("5","7","4","4","9","5","1") = "8"
    & skf18("5","7","4","4","9","6","1") = "8"
    & skf18("5","7","4","4","9","7","1") = "8"
    & skf18("5","7","4","4","9","8","1") = "8"
    & skf18("5","7","4","4","9","9","1") = "8"
    & skf18("5","7","4","4","9","10","1") = "9"
    & skf18("5","7","4","4","10","1","1") = "9"
    & skf18("5","7","4","4","10","2","1") = "9"
    & skf18("5","7","4","4","10","3","1") = "9"
    & skf18("5","7","4","4","10","4","1") = "9"
    & skf18("5","7","4","4","10","5","1") = "9"
    & skf18("5","7","4","4","10","6","1") = "9"
    & skf18("5","7","4","4","10","7","1") = "9"
    & skf18("5","7","4","4","10","8","1") = "9"
    & skf18("5","7","4","4","10","9","1") = "9"
    & skf18("5","7","4","4","10","10","1") = "9"
    & skf18("5","7","4","5","1","1","1") = "6"
    & skf18("5","7","4","5","1","2","1") = "6"
    & skf18("5","7","4","5","1","3","1") = "6"
    & skf18("5","7","4","5","1","4","1") = "6"
    & skf18("5","7","4","5","1","5","1") = "6"
    & skf18("5","7","4","5","1","6","1") = "6"
    & skf18("5","7","4","5","1","7","1") = "6"
    & skf18("5","7","4","5","1","8","1") = "7"
    & skf18("5","7","4","5","1","9","1") = "8"
    & skf18("5","7","4","5","1","10","1") = "9"
    & skf18("5","7","4","5","2","1","1") = "6"
    & skf18("5","7","4","5","2","2","1") = "6"
    & skf18("5","7","4","5","2","3","1") = "6"
    & skf18("5","7","4","5","2","4","1") = "6"
    & skf18("5","7","4","5","2","5","1") = "6"
    & skf18("5","7","4","5","2","6","1") = "6"
    & skf18("5","7","4","5","2","7","1") = "6"
    & skf18("5","7","4","5","2","8","1") = "7"
    & skf18("5","7","4","5","2","9","1") = "8"
    & skf18("5","7","4","5","2","10","1") = "9"
    & skf18("5","7","4","5","3","1","1") = "6"
    & skf18("5","7","4","5","3","2","1") = "6"
    & skf18("5","7","4","5","3","3","1") = "6"
    & skf18("5","7","4","5","3","4","1") = "6"
    & skf18("5","7","4","5","3","5","1") = "6"
    & skf18("5","7","4","5","3","6","1") = "6"
    & skf18("5","7","4","5","3","7","1") = "6"
    & skf18("5","7","4","5","3","8","1") = "7"
    & skf18("5","7","4","5","3","9","1") = "8"
    & skf18("5","7","4","5","3","10","1") = "9"
    & skf18("5","7","4","5","4","1","1") = "6"
    & skf18("5","7","4","5","4","2","1") = "6"
    & skf18("5","7","4","5","4","3","1") = "6"
    & skf18("5","7","4","5","4","4","1") = "6"
    & skf18("5","7","4","5","4","5","1") = "6"
    & skf18("5","7","4","5","4","6","1") = "6"
    & skf18("5","7","4","5","4","7","1") = "6"
    & skf18("5","7","4","5","4","8","1") = "7"
    & skf18("5","7","4","5","4","9","1") = "8"
    & skf18("5","7","4","5","4","10","1") = "9"
    & skf18("5","7","4","5","5","1","1") = "6"
    & skf18("5","7","4","5","5","2","1") = "6"
    & skf18("5","7","4","5","5","3","1") = "6"
    & skf18("5","7","4","5","5","4","1") = "6"
    & skf18("5","7","4","5","5","5","1") = "6"
    & skf18("5","7","4","5","5","6","1") = "6"
    & skf18("5","7","4","5","5","7","1") = "6"
    & skf18("5","7","4","5","5","8","1") = "7"
    & skf18("5","7","4","5","5","9","1") = "8"
    & skf18("5","7","4","5","5","10","1") = "9"
    & skf18("5","7","4","5","6","1","1") = "6"
    & skf18("5","7","4","5","6","2","1") = "6"
    & skf18("5","7","4","5","6","3","1") = "6"
    & skf18("5","7","4","5","6","4","1") = "6"
    & skf18("5","7","4","5","6","5","1") = "6"
    & skf18("5","7","4","5","6","6","1") = "6"
    & skf18("5","7","4","5","6","7","1") = "6"
    & skf18("5","7","4","5","6","8","1") = "7"
    & skf18("5","7","4","5","6","9","1") = "8"
    & skf18("5","7","4","5","6","10","1") = "9"
    & skf18("5","7","4","5","7","1","1") = "6"
    & skf18("5","7","4","5","7","2","1") = "6"
    & skf18("5","7","4","5","7","3","1") = "6"
    & skf18("5","7","4","5","7","4","1") = "6"
    & skf18("5","7","4","5","7","5","1") = "6"
    & skf18("5","7","4","5","7","6","1") = "6"
    & skf18("5","7","4","5","7","7","1") = "6"
    & skf18("5","7","4","5","7","8","1") = "7"
    & skf18("5","7","4","5","7","9","1") = "8"
    & skf18("5","7","4","5","7","10","1") = "9"
    & skf18("5","7","4","5","8","1","1") = "7"
    & skf18("5","7","4","5","8","2","1") = "7"
    & skf18("5","7","4","5","8","3","1") = "7"
    & skf18("5","7","4","5","8","4","1") = "7"
    & skf18("5","7","4","5","8","5","1") = "7"
    & skf18("5","7","4","5","8","6","1") = "7"
    & skf18("5","7","4","5","8","7","1") = "7"
    & skf18("5","7","4","5","8","8","1") = "7"
    & skf18("5","7","4","5","8","9","1") = "8"
    & skf18("5","7","4","5","8","10","1") = "9"
    & skf18("5","7","4","5","9","1","1") = "8"
    & skf18("5","7","4","5","9","2","1") = "8"
    & skf18("5","7","4","5","9","3","1") = "8"
    & skf18("5","7","4","5","9","4","1") = "8"
    & skf18("5","7","4","5","9","5","1") = "8"
    & skf18("5","7","4","5","9","6","1") = "8"
    & skf18("5","7","4","5","9","7","1") = "8"
    & skf18("5","7","4","5","9","8","1") = "8"
    & skf18("5","7","4","5","9","9","1") = "8"
    & skf18("5","7","4","5","9","10","1") = "9"
    & skf18("5","7","4","5","10","1","1") = "9"
    & skf18("5","7","4","5","10","2","1") = "9"
    & skf18("5","7","4","5","10","3","1") = "9"
    & skf18("5","7","4","5","10","4","1") = "9"
    & skf18("5","7","4","5","10","5","1") = "9"
    & skf18("5","7","4","5","10","6","1") = "9"
    & skf18("5","7","4","5","10","7","1") = "9"
    & skf18("5","7","4","5","10","8","1") = "9"
    & skf18("5","7","4","5","10","9","1") = "9"
    & skf18("5","7","4","5","10","10","1") = "9"
    & skf18("5","7","4","6","1","1","1") = "6"
    & skf18("5","7","4","6","1","2","1") = "6"
    & skf18("5","7","4","6","1","3","1") = "6"
    & skf18("5","7","4","6","1","4","1") = "6"
    & skf18("5","7","4","6","1","5","1") = "6"
    & skf18("5","7","4","6","1","6","1") = "6"
    & skf18("5","7","4","6","1","7","1") = "6"
    & skf18("5","7","4","6","1","8","1") = "7"
    & skf18("5","7","4","6","1","9","1") = "8"
    & skf18("5","7","4","6","1","10","1") = "9"
    & skf18("5","7","4","6","2","1","1") = "6"
    & skf18("5","7","4","6","2","2","1") = "6"
    & skf18("5","7","4","6","2","3","1") = "6"
    & skf18("5","7","4","6","2","4","1") = "6"
    & skf18("5","7","4","6","2","5","1") = "6"
    & skf18("5","7","4","6","2","6","1") = "6"
    & skf18("5","7","4","6","2","7","1") = "6"
    & skf18("5","7","4","6","2","8","1") = "7"
    & skf18("5","7","4","6","2","9","1") = "8"
    & skf18("5","7","4","6","2","10","1") = "9"
    & skf18("5","7","4","6","3","1","1") = "6"
    & skf18("5","7","4","6","3","2","1") = "6"
    & skf18("5","7","4","6","3","3","1") = "6"
    & skf18("5","7","4","6","3","4","1") = "6"
    & skf18("5","7","4","6","3","5","1") = "6"
    & skf18("5","7","4","6","3","6","1") = "6"
    & skf18("5","7","4","6","3","7","1") = "6"
    & skf18("5","7","4","6","3","8","1") = "7"
    & skf18("5","7","4","6","3","9","1") = "8"
    & skf18("5","7","4","6","3","10","1") = "9"
    & skf18("5","7","4","6","4","1","1") = "6"
    & skf18("5","7","4","6","4","2","1") = "6"
    & skf18("5","7","4","6","4","3","1") = "6"
    & skf18("5","7","4","6","4","4","1") = "6"
    & skf18("5","7","4","6","4","5","1") = "6"
    & skf18("5","7","4","6","4","6","1") = "6"
    & skf18("5","7","4","6","4","7","1") = "6"
    & skf18("5","7","4","6","4","8","1") = "7"
    & skf18("5","7","4","6","4","9","1") = "8"
    & skf18("5","7","4","6","4","10","1") = "9"
    & skf18("5","7","4","6","5","1","1") = "6"
    & skf18("5","7","4","6","5","2","1") = "6"
    & skf18("5","7","4","6","5","3","1") = "6"
    & skf18("5","7","4","6","5","4","1") = "6"
    & skf18("5","7","4","6","5","5","1") = "6"
    & skf18("5","7","4","6","5","6","1") = "6"
    & skf18("5","7","4","6","5","7","1") = "6"
    & skf18("5","7","4","6","5","8","1") = "7"
    & skf18("5","7","4","6","5","9","1") = "8"
    & skf18("5","7","4","6","5","10","1") = "9"
    & skf18("5","7","4","6","6","1","1") = "6"
    & skf18("5","7","4","6","6","2","1") = "6"
    & skf18("5","7","4","6","6","3","1") = "6"
    & skf18("5","7","4","6","6","4","1") = "6"
    & skf18("5","7","4","6","6","5","1") = "6"
    & skf18("5","7","4","6","6","6","1") = "6"
    & skf18("5","7","4","6","6","7","1") = "6"
    & skf18("5","7","4","6","6","8","1") = "7"
    & skf18("5","7","4","6","6","9","1") = "8"
    & skf18("5","7","4","6","6","10","1") = "9"
    & skf18("5","7","4","6","7","1","1") = "6"
    & skf18("5","7","4","6","7","2","1") = "6"
    & skf18("5","7","4","6","7","3","1") = "6"
    & skf18("5","7","4","6","7","4","1") = "6"
    & skf18("5","7","4","6","7","5","1") = "6"
    & skf18("5","7","4","6","7","6","1") = "6"
    & skf18("5","7","4","6","7","7","1") = "6"
    & skf18("5","7","4","6","7","8","1") = "7"
    & skf18("5","7","4","6","7","9","1") = "8"
    & skf18("5","7","4","6","7","10","1") = "9"
    & skf18("5","7","4","6","8","1","1") = "7"
    & skf18("5","7","4","6","8","2","1") = "7"
    & skf18("5","7","4","6","8","3","1") = "7"
    & skf18("5","7","4","6","8","4","1") = "7"
    & skf18("5","7","4","6","8","5","1") = "7"
    & skf18("5","7","4","6","8","6","1") = "7"
    & skf18("5","7","4","6","8","7","1") = "7"
    & skf18("5","7","4","6","8","8","1") = "7"
    & skf18("5","7","4","6","8","9","1") = "8"
    & skf18("5","7","4","6","8","10","1") = "9"
    & skf18("5","7","4","6","9","1","1") = "8"
    & skf18("5","7","4","6","9","2","1") = "8"
    & skf18("5","7","4","6","9","3","1") = "8"
    & skf18("5","7","4","6","9","4","1") = "8"
    & skf18("5","7","4","6","9","5","1") = "8"
    & skf18("5","7","4","6","9","6","1") = "8"
    & skf18("5","7","4","6","9","7","1") = "8"
    & skf18("5","7","4","6","9","8","1") = "8"
    & skf18("5","7","4","6","9","9","1") = "8"
    & skf18("5","7","4","6","9","10","1") = "9"
    & skf18("5","7","4","6","10","1","1") = "9"
    & skf18("5","7","4","6","10","2","1") = "9"
    & skf18("5","7","4","6","10","3","1") = "9"
    & skf18("5","7","4","6","10","4","1") = "9"
    & skf18("5","7","4","6","10","5","1") = "9"
    & skf18("5","7","4","6","10","6","1") = "9"
    & skf18("5","7","4","6","10","7","1") = "9"
    & skf18("5","7","4","6","10","8","1") = "9"
    & skf18("5","7","4","6","10","9","1") = "9"
    & skf18("5","7","4","6","10","10","1") = "9"
    & skf18("5","7","4","7","1","1","1") = "6"
    & skf18("5","7","4","7","1","2","1") = "6"
    & skf18("5","7","4","7","1","3","1") = "6"
    & skf18("5","7","4","7","1","4","1") = "6"
    & skf18("5","7","4","7","1","5","1") = "6"
    & skf18("5","7","4","7","1","6","1") = "6"
    & skf18("5","7","4","7","1","7","1") = "6"
    & skf18("5","7","4","7","1","8","1") = "7"
    & skf18("5","7","4","7","1","9","1") = "8"
    & skf18("5","7","4","7","1","10","1") = "9"
    & skf18("5","7","4","7","2","1","1") = "6"
    & skf18("5","7","4","7","2","2","1") = "6"
    & skf18("5","7","4","7","2","3","1") = "6"
    & skf18("5","7","4","7","2","4","1") = "6"
    & skf18("5","7","4","7","2","5","1") = "6"
    & skf18("5","7","4","7","2","6","1") = "6"
    & skf18("5","7","4","7","2","7","1") = "6"
    & skf18("5","7","4","7","2","8","1") = "7"
    & skf18("5","7","4","7","2","9","1") = "8"
    & skf18("5","7","4","7","2","10","1") = "9"
    & skf18("5","7","4","7","3","1","1") = "6"
    & skf18("5","7","4","7","3","2","1") = "6"
    & skf18("5","7","4","7","3","3","1") = "6"
    & skf18("5","7","4","7","3","4","1") = "6"
    & skf18("5","7","4","7","3","5","1") = "6"
    & skf18("5","7","4","7","3","6","1") = "6"
    & skf18("5","7","4","7","3","7","1") = "6"
    & skf18("5","7","4","7","3","8","1") = "7"
    & skf18("5","7","4","7","3","9","1") = "8"
    & skf18("5","7","4","7","3","10","1") = "9"
    & skf18("5","7","4","7","4","1","1") = "6"
    & skf18("5","7","4","7","4","2","1") = "6"
    & skf18("5","7","4","7","4","3","1") = "6"
    & skf18("5","7","4","7","4","4","1") = "6"
    & skf18("5","7","4","7","4","5","1") = "6"
    & skf18("5","7","4","7","4","6","1") = "6"
    & skf18("5","7","4","7","4","7","1") = "6"
    & skf18("5","7","4","7","4","8","1") = "7"
    & skf18("5","7","4","7","4","9","1") = "8"
    & skf18("5","7","4","7","4","10","1") = "9"
    & skf18("5","7","4","7","5","1","1") = "6"
    & skf18("5","7","4","7","5","2","1") = "6"
    & skf18("5","7","4","7","5","3","1") = "6"
    & skf18("5","7","4","7","5","4","1") = "6"
    & skf18("5","7","4","7","5","5","1") = "6"
    & skf18("5","7","4","7","5","6","1") = "6"
    & skf18("5","7","4","7","5","7","1") = "6"
    & skf18("5","7","4","7","5","8","1") = "7"
    & skf18("5","7","4","7","5","9","1") = "8"
    & skf18("5","7","4","7","5","10","1") = "9"
    & skf18("5","7","4","7","6","1","1") = "6"
    & skf18("5","7","4","7","6","2","1") = "6"
    & skf18("5","7","4","7","6","3","1") = "6"
    & skf18("5","7","4","7","6","4","1") = "6"
    & skf18("5","7","4","7","6","5","1") = "6"
    & skf18("5","7","4","7","6","6","1") = "6"
    & skf18("5","7","4","7","6","7","1") = "6"
    & skf18("5","7","4","7","6","8","1") = "7"
    & skf18("5","7","4","7","6","9","1") = "8"
    & skf18("5","7","4","7","6","10","1") = "9"
    & skf18("5","7","4","7","7","1","1") = "6"
    & skf18("5","7","4","7","7","2","1") = "6"
    & skf18("5","7","4","7","7","3","1") = "6"
    & skf18("5","7","4","7","7","4","1") = "6"
    & skf18("5","7","4","7","7","5","1") = "6"
    & skf18("5","7","4","7","7","6","1") = "6"
    & skf18("5","7","4","7","7","7","1") = "6"
    & skf18("5","7","4","7","7","8","1") = "7"
    & skf18("5","7","4","7","7","9","1") = "8"
    & skf18("5","7","4","7","7","10","1") = "9"
    & skf18("5","7","4","7","8","1","1") = "7"
    & skf18("5","7","4","7","8","2","1") = "7"
    & skf18("5","7","4","7","8","3","1") = "7"
    & skf18("5","7","4","7","8","4","1") = "7"
    & skf18("5","7","4","7","8","5","1") = "7"
    & skf18("5","7","4","7","8","6","1") = "7"
    & skf18("5","7","4","7","8","7","1") = "7"
    & skf18("5","7","4","7","8","8","1") = "7"
    & skf18("5","7","4","7","8","9","1") = "8"
    & skf18("5","7","4","7","8","10","1") = "9"
    & skf18("5","7","4","7","9","1","1") = "8"
    & skf18("5","7","4","7","9","2","1") = "8"
    & skf18("5","7","4","7","9","3","1") = "8"
    & skf18("5","7","4","7","9","4","1") = "8"
    & skf18("5","7","4","7","9","5","1") = "8"
    & skf18("5","7","4","7","9","6","1") = "8"
    & skf18("5","7","4","7","9","7","1") = "8"
    & skf18("5","7","4","7","9","8","1") = "8"
    & skf18("5","7","4","7","9","9","1") = "8"
    & skf18("5","7","4","7","9","10","1") = "9"
    & skf18("5","7","4","7","10","1","1") = "9"
    & skf18("5","7","4","7","10","2","1") = "9"
    & skf18("5","7","4","7","10","3","1") = "9"
    & skf18("5","7","4","7","10","4","1") = "9"
    & skf18("5","7","4","7","10","5","1") = "9"
    & skf18("5","7","4","7","10","6","1") = "9"
    & skf18("5","7","4","7","10","7","1") = "9"
    & skf18("5","7","4","7","10","8","1") = "9"
    & skf18("5","7","4","7","10","9","1") = "9"
    & skf18("5","7","4","7","10","10","1") = "9"
    & skf18("5","7","4","8","1","1","1") = "7"
    & skf18("5","7","4","8","1","2","1") = "7"
    & skf18("5","7","4","8","1","3","1") = "7"
    & skf18("5","7","4","8","1","4","1") = "7"
    & skf18("5","7","4","8","1","5","1") = "7"
    & skf18("5","7","4","8","1","6","1") = "7"
    & skf18("5","7","4","8","1","7","1") = "7"
    & skf18("5","7","4","8","1","8","1") = "7"
    & skf18("5","7","4","8","1","9","1") = "8"
    & skf18("5","7","4","8","1","10","1") = "9"
    & skf18("5","7","4","8","2","1","1") = "7"
    & skf18("5","7","4","8","2","2","1") = "7"
    & skf18("5","7","4","8","2","3","1") = "7"
    & skf18("5","7","4","8","2","4","1") = "7"
    & skf18("5","7","4","8","2","5","1") = "7"
    & skf18("5","7","4","8","2","6","1") = "7"
    & skf18("5","7","4","8","2","7","1") = "7"
    & skf18("5","7","4","8","2","8","1") = "7"
    & skf18("5","7","4","8","2","9","1") = "8"
    & skf18("5","7","4","8","2","10","1") = "9"
    & skf18("5","7","4","8","3","1","1") = "7"
    & skf18("5","7","4","8","3","2","1") = "7"
    & skf18("5","7","4","8","3","3","1") = "7"
    & skf18("5","7","4","8","3","4","1") = "7"
    & skf18("5","7","4","8","3","5","1") = "7"
    & skf18("5","7","4","8","3","6","1") = "7"
    & skf18("5","7","4","8","3","7","1") = "7"
    & skf18("5","7","4","8","3","8","1") = "7"
    & skf18("5","7","4","8","3","9","1") = "8"
    & skf18("5","7","4","8","3","10","1") = "9"
    & skf18("5","7","4","8","4","1","1") = "7"
    & skf18("5","7","4","8","4","2","1") = "7"
    & skf18("5","7","4","8","4","3","1") = "7"
    & skf18("5","7","4","8","4","4","1") = "7"
    & skf18("5","7","4","8","4","5","1") = "7"
    & skf18("5","7","4","8","4","6","1") = "7"
    & skf18("5","7","4","8","4","7","1") = "7"
    & skf18("5","7","4","8","4","8","1") = "7"
    & skf18("5","7","4","8","4","9","1") = "8"
    & skf18("5","7","4","8","4","10","1") = "9"
    & skf18("5","7","4","8","5","1","1") = "7"
    & skf18("5","7","4","8","5","2","1") = "7"
    & skf18("5","7","4","8","5","3","1") = "7"
    & skf18("5","7","4","8","5","4","1") = "7"
    & skf18("5","7","4","8","5","5","1") = "7"
    & skf18("5","7","4","8","5","6","1") = "7"
    & skf18("5","7","4","8","5","7","1") = "7"
    & skf18("5","7","4","8","5","8","1") = "7"
    & skf18("5","7","4","8","5","9","1") = "8"
    & skf18("5","7","4","8","5","10","1") = "9"
    & skf18("5","7","4","8","6","1","1") = "7"
    & skf18("5","7","4","8","6","2","1") = "7"
    & skf18("5","7","4","8","6","3","1") = "7"
    & skf18("5","7","4","8","6","4","1") = "7"
    & skf18("5","7","4","8","6","5","1") = "7"
    & skf18("5","7","4","8","6","6","1") = "7"
    & skf18("5","7","4","8","6","7","1") = "7"
    & skf18("5","7","4","8","6","8","1") = "7"
    & skf18("5","7","4","8","6","9","1") = "8"
    & skf18("5","7","4","8","6","10","1") = "9"
    & skf18("5","7","4","8","7","1","1") = "7"
    & skf18("5","7","4","8","7","2","1") = "7"
    & skf18("5","7","4","8","7","3","1") = "7"
    & skf18("5","7","4","8","7","4","1") = "7"
    & skf18("5","7","4","8","7","5","1") = "7"
    & skf18("5","7","4","8","7","6","1") = "7"
    & skf18("5","7","4","8","7","7","1") = "7"
    & skf18("5","7","4","8","7","8","1") = "7"
    & skf18("5","7","4","8","7","9","1") = "8"
    & skf18("5","7","4","8","7","10","1") = "9"
    & skf18("5","7","4","8","8","1","1") = "7"
    & skf18("5","7","4","8","8","2","1") = "7"
    & skf18("5","7","4","8","8","3","1") = "7"
    & skf18("5","7","4","8","8","4","1") = "7"
    & skf18("5","7","4","8","8","5","1") = "7"
    & skf18("5","7","4","8","8","6","1") = "7"
    & skf18("5","7","4","8","8","7","1") = "7"
    & skf18("5","7","4","8","8","8","1") = "7"
    & skf18("5","7","4","8","8","9","1") = "8"
    & skf18("5","7","4","8","8","10","1") = "9"
    & skf18("5","7","4","8","9","1","1") = "8"
    & skf18("5","7","4","8","9","2","1") = "8"
    & skf18("5","7","4","8","9","3","1") = "8"
    & skf18("5","7","4","8","9","4","1") = "8"
    & skf18("5","7","4","8","9","5","1") = "8"
    & skf18("5","7","4","8","9","6","1") = "8"
    & skf18("5","7","4","8","9","7","1") = "8"
    & skf18("5","7","4","8","9","8","1") = "8"
    & skf18("5","7","4","8","9","9","1") = "8"
    & skf18("5","7","4","8","9","10","1") = "9"
    & skf18("5","7","4","8","10","1","1") = "9"
    & skf18("5","7","4","8","10","2","1") = "9"
    & skf18("5","7","4","8","10","3","1") = "9"
    & skf18("5","7","4","8","10","4","1") = "9"
    & skf18("5","7","4","8","10","5","1") = "9"
    & skf18("5","7","4","8","10","6","1") = "9"
    & skf18("5","7","4","8","10","7","1") = "9"
    & skf18("5","7","4","8","10","8","1") = "9"
    & skf18("5","7","4","8","10","9","1") = "9"
    & skf18("5","7","4","8","10","10","1") = "9"
    & skf18("5","7","4","9","1","1","1") = "8"
    & skf18("5","7","4","9","1","2","1") = "8"
    & skf18("5","7","4","9","1","3","1") = "8"
    & skf18("5","7","4","9","1","4","1") = "8"
    & skf18("5","7","4","9","1","5","1") = "8"
    & skf18("5","7","4","9","1","6","1") = "8"
    & skf18("5","7","4","9","1","7","1") = "8"
    & skf18("5","7","4","9","1","8","1") = "8"
    & skf18("5","7","4","9","1","9","1") = "8"
    & skf18("5","7","4","9","1","10","1") = "9"
    & skf18("5","7","4","9","2","1","1") = "8"
    & skf18("5","7","4","9","2","2","1") = "8"
    & skf18("5","7","4","9","2","3","1") = "8"
    & skf18("5","7","4","9","2","4","1") = "8"
    & skf18("5","7","4","9","2","5","1") = "8"
    & skf18("5","7","4","9","2","6","1") = "8"
    & skf18("5","7","4","9","2","7","1") = "8"
    & skf18("5","7","4","9","2","8","1") = "8"
    & skf18("5","7","4","9","2","9","1") = "8"
    & skf18("5","7","4","9","2","10","1") = "9"
    & skf18("5","7","4","9","3","1","1") = "8"
    & skf18("5","7","4","9","3","2","1") = "8"
    & skf18("5","7","4","9","3","3","1") = "8"
    & skf18("5","7","4","9","3","4","1") = "8"
    & skf18("5","7","4","9","3","5","1") = "8"
    & skf18("5","7","4","9","3","6","1") = "8"
    & skf18("5","7","4","9","3","7","1") = "8"
    & skf18("5","7","4","9","3","8","1") = "8"
    & skf18("5","7","4","9","3","9","1") = "8"
    & skf18("5","7","4","9","3","10","1") = "9"
    & skf18("5","7","4","9","4","1","1") = "8"
    & skf18("5","7","4","9","4","2","1") = "8"
    & skf18("5","7","4","9","4","3","1") = "8"
    & skf18("5","7","4","9","4","4","1") = "8"
    & skf18("5","7","4","9","4","5","1") = "8"
    & skf18("5","7","4","9","4","6","1") = "8"
    & skf18("5","7","4","9","4","7","1") = "8"
    & skf18("5","7","4","9","4","8","1") = "8"
    & skf18("5","7","4","9","4","9","1") = "8"
    & skf18("5","7","4","9","4","10","1") = "9"
    & skf18("5","7","4","9","5","1","1") = "8"
    & skf18("5","7","4","9","5","2","1") = "8"
    & skf18("5","7","4","9","5","3","1") = "8"
    & skf18("5","7","4","9","5","4","1") = "8"
    & skf18("5","7","4","9","5","5","1") = "8"
    & skf18("5","7","4","9","5","6","1") = "8"
    & skf18("5","7","4","9","5","7","1") = "8"
    & skf18("5","7","4","9","5","8","1") = "8"
    & skf18("5","7","4","9","5","9","1") = "8"
    & skf18("5","7","4","9","5","10","1") = "9"
    & skf18("5","7","4","9","6","1","1") = "8"
    & skf18("5","7","4","9","6","2","1") = "8"
    & skf18("5","7","4","9","6","3","1") = "8"
    & skf18("5","7","4","9","6","4","1") = "8"
    & skf18("5","7","4","9","6","5","1") = "8"
    & skf18("5","7","4","9","6","6","1") = "8"
    & skf18("5","7","4","9","6","7","1") = "8"
    & skf18("5","7","4","9","6","8","1") = "8"
    & skf18("5","7","4","9","6","9","1") = "8"
    & skf18("5","7","4","9","6","10","1") = "9"
    & skf18("5","7","4","9","7","1","1") = "8"
    & skf18("5","7","4","9","7","2","1") = "8"
    & skf18("5","7","4","9","7","3","1") = "8"
    & skf18("5","7","4","9","7","4","1") = "8"
    & skf18("5","7","4","9","7","5","1") = "8"
    & skf18("5","7","4","9","7","6","1") = "8"
    & skf18("5","7","4","9","7","7","1") = "8"
    & skf18("5","7","4","9","7","8","1") = "8"
    & skf18("5","7","4","9","7","9","1") = "8"
    & skf18("5","7","4","9","7","10","1") = "9"
    & skf18("5","7","4","9","8","1","1") = "8"
    & skf18("5","7","4","9","8","2","1") = "8"
    & skf18("5","7","4","9","8","3","1") = "8"
    & skf18("5","7","4","9","8","4","1") = "8"
    & skf18("5","7","4","9","8","5","1") = "8"
    & skf18("5","7","4","9","8","6","1") = "8"
    & skf18("5","7","4","9","8","7","1") = "8"
    & skf18("5","7","4","9","8","8","1") = "8"
    & skf18("5","7","4","9","8","9","1") = "8"
    & skf18("5","7","4","9","8","10","1") = "9"
    & skf18("5","7","4","9","9","1","1") = "8"
    & skf18("5","7","4","9","9","2","1") = "8"
    & skf18("5","7","4","9","9","3","1") = "8"
    & skf18("5","7","4","9","9","4","1") = "8"
    & skf18("5","7","4","9","9","5","1") = "8"
    & skf18("5","7","4","9","9","6","1") = "8"
    & skf18("5","7","4","9","9","7","1") = "8"
    & skf18("5","7","4","9","9","8","1") = "8"
    & skf18("5","7","4","9","9","9","1") = "8"
    & skf18("5","7","4","9","9","10","1") = "9"
    & skf18("5","7","4","9","10","1","1") = "9"
    & skf18("5","7","4","9","10","2","1") = "9"
    & skf18("5","7","4","9","10","3","1") = "9"
    & skf18("5","7","4","9","10","4","1") = "9"
    & skf18("5","7","4","9","10","5","1") = "9"
    & skf18("5","7","4","9","10","6","1") = "9"
    & skf18("5","7","4","9","10","7","1") = "9"
    & skf18("5","7","4","9","10","8","1") = "9"
    & skf18("5","7","4","9","10","9","1") = "9"
    & skf18("5","7","4","9","10","10","1") = "9"
    & skf18("5","7","4","10","1","1","1") = "9"
    & skf18("5","7","4","10","1","2","1") = "9"
    & skf18("5","7","4","10","1","3","1") = "9"
    & skf18("5","7","4","10","1","4","1") = "9"
    & skf18("5","7","4","10","1","5","1") = "9"
    & skf18("5","7","4","10","1","6","1") = "9"
    & skf18("5","7","4","10","1","7","1") = "9"
    & skf18("5","7","4","10","1","8","1") = "9"
    & skf18("5","7","4","10","1","9","1") = "9"
    & skf18("5","7","4","10","1","10","1") = "9"
    & skf18("5","7","4","10","2","1","1") = "9"
    & skf18("5","7","4","10","2","2","1") = "9"
    & skf18("5","7","4","10","2","3","1") = "9"
    & skf18("5","7","4","10","2","4","1") = "9"
    & skf18("5","7","4","10","2","5","1") = "9"
    & skf18("5","7","4","10","2","6","1") = "9"
    & skf18("5","7","4","10","2","7","1") = "9"
    & skf18("5","7","4","10","2","8","1") = "9"
    & skf18("5","7","4","10","2","9","1") = "9"
    & skf18("5","7","4","10","2","10","1") = "9"
    & skf18("5","7","4","10","3","1","1") = "9"
    & skf18("5","7","4","10","3","2","1") = "9"
    & skf18("5","7","4","10","3","3","1") = "9"
    & skf18("5","7","4","10","3","4","1") = "9"
    & skf18("5","7","4","10","3","5","1") = "9"
    & skf18("5","7","4","10","3","6","1") = "9"
    & skf18("5","7","4","10","3","7","1") = "9"
    & skf18("5","7","4","10","3","8","1") = "9"
    & skf18("5","7","4","10","3","9","1") = "9"
    & skf18("5","7","4","10","3","10","1") = "9"
    & skf18("5","7","4","10","4","1","1") = "9"
    & skf18("5","7","4","10","4","2","1") = "9"
    & skf18("5","7","4","10","4","3","1") = "9"
    & skf18("5","7","4","10","4","4","1") = "9"
    & skf18("5","7","4","10","4","5","1") = "9"
    & skf18("5","7","4","10","4","6","1") = "9"
    & skf18("5","7","4","10","4","7","1") = "9"
    & skf18("5","7","4","10","4","8","1") = "9"
    & skf18("5","7","4","10","4","9","1") = "9"
    & skf18("5","7","4","10","4","10","1") = "9"
    & skf18("5","7","4","10","5","1","1") = "9"
    & skf18("5","7","4","10","5","2","1") = "9"
    & skf18("5","7","4","10","5","3","1") = "9"
    & skf18("5","7","4","10","5","4","1") = "9"
    & skf18("5","7","4","10","5","5","1") = "9"
    & skf18("5","7","4","10","5","6","1") = "9"
    & skf18("5","7","4","10","5","7","1") = "9"
    & skf18("5","7","4","10","5","8","1") = "9"
    & skf18("5","7","4","10","5","9","1") = "9"
    & skf18("5","7","4","10","5","10","1") = "9"
    & skf18("5","7","4","10","6","1","1") = "9"
    & skf18("5","7","4","10","6","2","1") = "9"
    & skf18("5","7","4","10","6","3","1") = "9"
    & skf18("5","7","4","10","6","4","1") = "9"
    & skf18("5","7","4","10","6","5","1") = "9"
    & skf18("5","7","4","10","6","6","1") = "9"
    & skf18("5","7","4","10","6","7","1") = "9"
    & skf18("5","7","4","10","6","8","1") = "9"
    & skf18("5","7","4","10","6","9","1") = "9"
    & skf18("5","7","4","10","6","10","1") = "9"
    & skf18("5","7","4","10","7","1","1") = "9"
    & skf18("5","7","4","10","7","2","1") = "9"
    & skf18("5","7","4","10","7","3","1") = "9"
    & skf18("5","7","4","10","7","4","1") = "9"
    & skf18("5","7","4","10","7","5","1") = "9"
    & skf18("5","7","4","10","7","6","1") = "9"
    & skf18("5","7","4","10","7","7","1") = "9"
    & skf18("5","7","4","10","7","8","1") = "9"
    & skf18("5","7","4","10","7","9","1") = "9"
    & skf18("5","7","4","10","7","10","1") = "9"
    & skf18("5","7","4","10","8","1","1") = "9"
    & skf18("5","7","4","10","8","2","1") = "9"
    & skf18("5","7","4","10","8","3","1") = "9"
    & skf18("5","7","4","10","8","4","1") = "9"
    & skf18("5","7","4","10","8","5","1") = "9"
    & skf18("5","7","4","10","8","6","1") = "9"
    & skf18("5","7","4","10","8","7","1") = "9"
    & skf18("5","7","4","10","8","8","1") = "9"
    & skf18("5","7","4","10","8","9","1") = "9"
    & skf18("5","7","4","10","8","10","1") = "9"
    & skf18("5","7","4","10","9","1","1") = "9"
    & skf18("5","7","4","10","9","2","1") = "9"
    & skf18("5","7","4","10","9","3","1") = "9"
    & skf18("5","7","4","10","9","4","1") = "9"
    & skf18("5","7","4","10","9","5","1") = "9"
    & skf18("5","7","4","10","9","6","1") = "9"
    & skf18("5","7","4","10","9","7","1") = "9"
    & skf18("5","7","4","10","9","8","1") = "9"
    & skf18("5","7","4","10","9","9","1") = "9"
    & skf18("5","7","4","10","9","10","1") = "9"
    & skf18("5","7","4","10","10","1","1") = "9"
    & skf18("5","7","4","10","10","2","1") = "9"
    & skf18("5","7","4","10","10","3","1") = "9"
    & skf18("5","7","4","10","10","4","1") = "9"
    & skf18("5","7","4","10","10","5","1") = "9"
    & skf18("5","7","4","10","10","6","1") = "9"
    & skf18("5","7","4","10","10","7","1") = "9"
    & skf18("5","7","4","10","10","8","1") = "9"
    & skf18("5","7","4","10","10","9","1") = "9"
    & skf18("5","7","4","10","10","10","1") = "9"
    & skf18("5","7","5","1","1","1","1") = "6"
    & skf18("5","7","5","1","1","2","1") = "6"
    & skf18("5","7","5","1","1","3","1") = "6"
    & skf18("5","7","5","1","1","4","1") = "6"
    & skf18("5","7","5","1","1","5","1") = "6"
    & skf18("5","7","5","1","1","6","1") = "6"
    & skf18("5","7","5","1","1","7","1") = "6"
    & skf18("5","7","5","1","1","8","1") = "7"
    & skf18("5","7","5","1","1","9","1") = "8"
    & skf18("5","7","5","1","1","10","1") = "9"
    & skf18("5","7","5","1","2","1","1") = "6"
    & skf18("5","7","5","1","2","2","1") = "6"
    & skf18("5","7","5","1","2","3","1") = "6"
    & skf18("5","7","5","1","2","4","1") = "6"
    & skf18("5","7","5","1","2","5","1") = "6"
    & skf18("5","7","5","1","2","6","1") = "6"
    & skf18("5","7","5","1","2","7","1") = "6"
    & skf18("5","7","5","1","2","8","1") = "7"
    & skf18("5","7","5","1","2","9","1") = "8"
    & skf18("5","7","5","1","2","10","1") = "9"
    & skf18("5","7","5","1","3","1","1") = "6"
    & skf18("5","7","5","1","3","2","1") = "6"
    & skf18("5","7","5","1","3","3","1") = "6"
    & skf18("5","7","5","1","3","4","1") = "6"
    & skf18("5","7","5","1","3","5","1") = "6"
    & skf18("5","7","5","1","3","6","1") = "6"
    & skf18("5","7","5","1","3","7","1") = "6"
    & skf18("5","7","5","1","3","8","1") = "7"
    & skf18("5","7","5","1","3","9","1") = "8"
    & skf18("5","7","5","1","3","10","1") = "9"
    & skf18("5","7","5","1","4","1","1") = "6"
    & skf18("5","7","5","1","4","2","1") = "6"
    & skf18("5","7","5","1","4","3","1") = "6"
    & skf18("5","7","5","1","4","4","1") = "6"
    & skf18("5","7","5","1","4","5","1") = "6"
    & skf18("5","7","5","1","4","6","1") = "6"
    & skf18("5","7","5","1","4","7","1") = "6"
    & skf18("5","7","5","1","4","8","1") = "7"
    & skf18("5","7","5","1","4","9","1") = "8"
    & skf18("5","7","5","1","4","10","1") = "9"
    & skf18("5","7","5","1","5","1","1") = "6"
    & skf18("5","7","5","1","5","2","1") = "6"
    & skf18("5","7","5","1","5","3","1") = "6"
    & skf18("5","7","5","1","5","4","1") = "6"
    & skf18("5","7","5","1","5","5","1") = "6"
    & skf18("5","7","5","1","5","6","1") = "6"
    & skf18("5","7","5","1","5","7","1") = "6"
    & skf18("5","7","5","1","5","8","1") = "7"
    & skf18("5","7","5","1","5","9","1") = "8"
    & skf18("5","7","5","1","5","10","1") = "9"
    & skf18("5","7","5","1","6","1","1") = "6"
    & skf18("5","7","5","1","6","2","1") = "6"
    & skf18("5","7","5","1","6","3","1") = "6"
    & skf18("5","7","5","1","6","4","1") = "6"
    & skf18("5","7","5","1","6","5","1") = "6"
    & skf18("5","7","5","1","6","6","1") = "6"
    & skf18("5","7","5","1","6","7","1") = "6"
    & skf18("5","7","5","1","6","8","1") = "7"
    & skf18("5","7","5","1","6","9","1") = "8"
    & skf18("5","7","5","1","6","10","1") = "9"
    & skf18("5","7","5","1","7","1","1") = "6"
    & skf18("5","7","5","1","7","2","1") = "6"
    & skf18("5","7","5","1","7","3","1") = "6"
    & skf18("5","7","5","1","7","4","1") = "6"
    & skf18("5","7","5","1","7","5","1") = "6"
    & skf18("5","7","5","1","7","6","1") = "6"
    & skf18("5","7","5","1","7","7","1") = "6"
    & skf18("5","7","5","1","7","8","1") = "7"
    & skf18("5","7","5","1","7","9","1") = "8"
    & skf18("5","7","5","1","7","10","1") = "9"
    & skf18("5","7","5","1","8","1","1") = "7"
    & skf18("5","7","5","1","8","2","1") = "7"
    & skf18("5","7","5","1","8","3","1") = "7"
    & skf18("5","7","5","1","8","4","1") = "7"
    & skf18("5","7","5","1","8","5","1") = "7"
    & skf18("5","7","5","1","8","6","1") = "7"
    & skf18("5","7","5","1","8","7","1") = "7"
    & skf18("5","7","5","1","8","8","1") = "7"
    & skf18("5","7","5","1","8","9","1") = "8"
    & skf18("5","7","5","1","8","10","1") = "9"
    & skf18("5","7","5","1","9","1","1") = "8"
    & skf18("5","7","5","1","9","2","1") = "8"
    & skf18("5","7","5","1","9","3","1") = "8"
    & skf18("5","7","5","1","9","4","1") = "8"
    & skf18("5","7","5","1","9","5","1") = "8"
    & skf18("5","7","5","1","9","6","1") = "8"
    & skf18("5","7","5","1","9","7","1") = "8"
    & skf18("5","7","5","1","9","8","1") = "8"
    & skf18("5","7","5","1","9","9","1") = "8"
    & skf18("5","7","5","1","9","10","1") = "9"
    & skf18("5","7","5","1","10","1","1") = "9"
    & skf18("5","7","5","1","10","2","1") = "9"
    & skf18("5","7","5","1","10","3","1") = "9"
    & skf18("5","7","5","1","10","4","1") = "9"
    & skf18("5","7","5","1","10","5","1") = "9"
    & skf18("5","7","5","1","10","6","1") = "9"
    & skf18("5","7","5","1","10","7","1") = "9"
    & skf18("5","7","5","1","10","8","1") = "9"
    & skf18("5","7","5","1","10","9","1") = "9"
    & skf18("5","7","5","1","10","10","1") = "9"
    & skf18("5","7","5","2","1","1","1") = "6"
    & skf18("5","7","5","2","1","2","1") = "6"
    & skf18("5","7","5","2","1","3","1") = "6"
    & skf18("5","7","5","2","1","4","1") = "6"
    & skf18("5","7","5","2","1","5","1") = "6"
    & skf18("5","7","5","2","1","6","1") = "6"
    & skf18("5","7","5","2","1","7","1") = "6"
    & skf18("5","7","5","2","1","8","1") = "7"
    & skf18("5","7","5","2","1","9","1") = "8"
    & skf18("5","7","5","2","1","10","1") = "9"
    & skf18("5","7","5","2","2","1","1") = "6"
    & skf18("5","7","5","2","2","2","1") = "6"
    & skf18("5","7","5","2","2","3","1") = "6"
    & skf18("5","7","5","2","2","4","1") = "6"
    & skf18("5","7","5","2","2","5","1") = "6"
    & skf18("5","7","5","2","2","6","1") = "6"
    & skf18("5","7","5","2","2","7","1") = "6"
    & skf18("5","7","5","2","2","8","1") = "7"
    & skf18("5","7","5","2","2","9","1") = "8"
    & skf18("5","7","5","2","2","10","1") = "9"
    & skf18("5","7","5","2","3","1","1") = "6"
    & skf18("5","7","5","2","3","2","1") = "6"
    & skf18("5","7","5","2","3","3","1") = "6"
    & skf18("5","7","5","2","3","4","1") = "6"
    & skf18("5","7","5","2","3","5","1") = "6"
    & skf18("5","7","5","2","3","6","1") = "6"
    & skf18("5","7","5","2","3","7","1") = "6"
    & skf18("5","7","5","2","3","8","1") = "7"
    & skf18("5","7","5","2","3","9","1") = "8"
    & skf18("5","7","5","2","3","10","1") = "9"
    & skf18("5","7","5","2","4","1","1") = "6"
    & skf18("5","7","5","2","4","2","1") = "6"
    & skf18("5","7","5","2","4","3","1") = "6"
    & skf18("5","7","5","2","4","4","1") = "6"
    & skf18("5","7","5","2","4","5","1") = "6"
    & skf18("5","7","5","2","4","6","1") = "6"
    & skf18("5","7","5","2","4","7","1") = "6"
    & skf18("5","7","5","2","4","8","1") = "7"
    & skf18("5","7","5","2","4","9","1") = "8"
    & skf18("5","7","5","2","4","10","1") = "9"
    & skf18("5","7","5","2","5","1","1") = "6"
    & skf18("5","7","5","2","5","2","1") = "6"
    & skf18("5","7","5","2","5","3","1") = "6"
    & skf18("5","7","5","2","5","4","1") = "6"
    & skf18("5","7","5","2","5","5","1") = "6"
    & skf18("5","7","5","2","5","6","1") = "6"
    & skf18("5","7","5","2","5","7","1") = "6"
    & skf18("5","7","5","2","5","8","1") = "7"
    & skf18("5","7","5","2","5","9","1") = "8"
    & skf18("5","7","5","2","5","10","1") = "9"
    & skf18("5","7","5","2","6","1","1") = "6"
    & skf18("5","7","5","2","6","2","1") = "6"
    & skf18("5","7","5","2","6","3","1") = "6"
    & skf18("5","7","5","2","6","4","1") = "6"
    & skf18("5","7","5","2","6","5","1") = "6"
    & skf18("5","7","5","2","6","6","1") = "6"
    & skf18("5","7","5","2","6","7","1") = "6"
    & skf18("5","7","5","2","6","8","1") = "7"
    & skf18("5","7","5","2","6","9","1") = "8"
    & skf18("5","7","5","2","6","10","1") = "9"
    & skf18("5","7","5","2","7","1","1") = "6"
    & skf18("5","7","5","2","7","2","1") = "6"
    & skf18("5","7","5","2","7","3","1") = "6"
    & skf18("5","7","5","2","7","4","1") = "6"
    & skf18("5","7","5","2","7","5","1") = "6"
    & skf18("5","7","5","2","7","6","1") = "6"
    & skf18("5","7","5","2","7","7","1") = "6"
    & skf18("5","7","5","2","7","8","1") = "7"
    & skf18("5","7","5","2","7","9","1") = "8"
    & skf18("5","7","5","2","7","10","1") = "9"
    & skf18("5","7","5","2","8","1","1") = "7"
    & skf18("5","7","5","2","8","2","1") = "7"
    & skf18("5","7","5","2","8","3","1") = "7"
    & skf18("5","7","5","2","8","4","1") = "7"
    & skf18("5","7","5","2","8","5","1") = "7"
    & skf18("5","7","5","2","8","6","1") = "7"
    & skf18("5","7","5","2","8","7","1") = "7"
    & skf18("5","7","5","2","8","8","1") = "7"
    & skf18("5","7","5","2","8","9","1") = "8"
    & skf18("5","7","5","2","8","10","1") = "9"
    & skf18("5","7","5","2","9","1","1") = "8"
    & skf18("5","7","5","2","9","2","1") = "8"
    & skf18("5","7","5","2","9","3","1") = "8"
    & skf18("5","7","5","2","9","4","1") = "8"
    & skf18("5","7","5","2","9","5","1") = "8"
    & skf18("5","7","5","2","9","6","1") = "8"
    & skf18("5","7","5","2","9","7","1") = "8"
    & skf18("5","7","5","2","9","8","1") = "8"
    & skf18("5","7","5","2","9","9","1") = "8"
    & skf18("5","7","5","2","9","10","1") = "9"
    & skf18("5","7","5","2","10","1","1") = "9"
    & skf18("5","7","5","2","10","2","1") = "9"
    & skf18("5","7","5","2","10","3","1") = "9"
    & skf18("5","7","5","2","10","4","1") = "9"
    & skf18("5","7","5","2","10","5","1") = "9"
    & skf18("5","7","5","2","10","6","1") = "9"
    & skf18("5","7","5","2","10","7","1") = "9"
    & skf18("5","7","5","2","10","8","1") = "9"
    & skf18("5","7","5","2","10","9","1") = "9"
    & skf18("5","7","5","2","10","10","1") = "9"
    & skf18("5","7","5","3","1","1","1") = "6"
    & skf18("5","7","5","3","1","2","1") = "6"
    & skf18("5","7","5","3","1","3","1") = "6"
    & skf18("5","7","5","3","1","4","1") = "6"
    & skf18("5","7","5","3","1","5","1") = "6"
    & skf18("5","7","5","3","1","6","1") = "6"
    & skf18("5","7","5","3","1","7","1") = "6"
    & skf18("5","7","5","3","1","8","1") = "7"
    & skf18("5","7","5","3","1","9","1") = "8"
    & skf18("5","7","5","3","1","10","1") = "9"
    & skf18("5","7","5","3","2","1","1") = "6"
    & skf18("5","7","5","3","2","2","1") = "6"
    & skf18("5","7","5","3","2","3","1") = "6"
    & skf18("5","7","5","3","2","4","1") = "6"
    & skf18("5","7","5","3","2","5","1") = "6"
    & skf18("5","7","5","3","2","6","1") = "6"
    & skf18("5","7","5","3","2","7","1") = "6"
    & skf18("5","7","5","3","2","8","1") = "7"
    & skf18("5","7","5","3","2","9","1") = "8"
    & skf18("5","7","5","3","2","10","1") = "9"
    & skf18("5","7","5","3","3","1","1") = "6"
    & skf18("5","7","5","3","3","2","1") = "6"
    & skf18("5","7","5","3","3","3","1") = "6"
    & skf18("5","7","5","3","3","4","1") = "6"
    & skf18("5","7","5","3","3","5","1") = "6"
    & skf18("5","7","5","3","3","6","1") = "6"
    & skf18("5","7","5","3","3","7","1") = "6"
    & skf18("5","7","5","3","3","8","1") = "7"
    & skf18("5","7","5","3","3","9","1") = "8"
    & skf18("5","7","5","3","3","10","1") = "9"
    & skf18("5","7","5","3","4","1","1") = "6"
    & skf18("5","7","5","3","4","2","1") = "6"
    & skf18("5","7","5","3","4","3","1") = "6"
    & skf18("5","7","5","3","4","4","1") = "6"
    & skf18("5","7","5","3","4","5","1") = "6"
    & skf18("5","7","5","3","4","6","1") = "6"
    & skf18("5","7","5","3","4","7","1") = "6"
    & skf18("5","7","5","3","4","8","1") = "7"
    & skf18("5","7","5","3","4","9","1") = "8"
    & skf18("5","7","5","3","4","10","1") = "9"
    & skf18("5","7","5","3","5","1","1") = "6"
    & skf18("5","7","5","3","5","2","1") = "6"
    & skf18("5","7","5","3","5","3","1") = "6"
    & skf18("5","7","5","3","5","4","1") = "6"
    & skf18("5","7","5","3","5","5","1") = "6"
    & skf18("5","7","5","3","5","6","1") = "6"
    & skf18("5","7","5","3","5","7","1") = "6"
    & skf18("5","7","5","3","5","8","1") = "7"
    & skf18("5","7","5","3","5","9","1") = "8"
    & skf18("5","7","5","3","5","10","1") = "9"
    & skf18("5","7","5","3","6","1","1") = "6"
    & skf18("5","7","5","3","6","2","1") = "6"
    & skf18("5","7","5","3","6","3","1") = "6"
    & skf18("5","7","5","3","6","4","1") = "6"
    & skf18("5","7","5","3","6","5","1") = "6"
    & skf18("5","7","5","3","6","6","1") = "6"
    & skf18("5","7","5","3","6","7","1") = "6"
    & skf18("5","7","5","3","6","8","1") = "7"
    & skf18("5","7","5","3","6","9","1") = "8"
    & skf18("5","7","5","3","6","10","1") = "9"
    & skf18("5","7","5","3","7","1","1") = "6"
    & skf18("5","7","5","3","7","2","1") = "6"
    & skf18("5","7","5","3","7","3","1") = "6"
    & skf18("5","7","5","3","7","4","1") = "6"
    & skf18("5","7","5","3","7","5","1") = "6"
    & skf18("5","7","5","3","7","6","1") = "6"
    & skf18("5","7","5","3","7","7","1") = "6"
    & skf18("5","7","5","3","7","8","1") = "7"
    & skf18("5","7","5","3","7","9","1") = "8"
    & skf18("5","7","5","3","7","10","1") = "9"
    & skf18("5","7","5","3","8","1","1") = "7"
    & skf18("5","7","5","3","8","2","1") = "7"
    & skf18("5","7","5","3","8","3","1") = "7"
    & skf18("5","7","5","3","8","4","1") = "7"
    & skf18("5","7","5","3","8","5","1") = "7"
    & skf18("5","7","5","3","8","6","1") = "7"
    & skf18("5","7","5","3","8","7","1") = "7"
    & skf18("5","7","5","3","8","8","1") = "7"
    & skf18("5","7","5","3","8","9","1") = "8"
    & skf18("5","7","5","3","8","10","1") = "9"
    & skf18("5","7","5","3","9","1","1") = "8"
    & skf18("5","7","5","3","9","2","1") = "8"
    & skf18("5","7","5","3","9","3","1") = "8"
    & skf18("5","7","5","3","9","4","1") = "8"
    & skf18("5","7","5","3","9","5","1") = "8"
    & skf18("5","7","5","3","9","6","1") = "8"
    & skf18("5","7","5","3","9","7","1") = "8"
    & skf18("5","7","5","3","9","8","1") = "8"
    & skf18("5","7","5","3","9","9","1") = "8"
    & skf18("5","7","5","3","9","10","1") = "9"
    & skf18("5","7","5","3","10","1","1") = "9"
    & skf18("5","7","5","3","10","2","1") = "9"
    & skf18("5","7","5","3","10","3","1") = "9"
    & skf18("5","7","5","3","10","4","1") = "9"
    & skf18("5","7","5","3","10","5","1") = "9"
    & skf18("5","7","5","3","10","6","1") = "9"
    & skf18("5","7","5","3","10","7","1") = "9"
    & skf18("5","7","5","3","10","8","1") = "9"
    & skf18("5","7","5","3","10","9","1") = "9"
    & skf18("5","7","5","3","10","10","1") = "9"
    & skf18("5","7","5","4","1","1","1") = "6"
    & skf18("5","7","5","4","1","2","1") = "6"
    & skf18("5","7","5","4","1","3","1") = "6"
    & skf18("5","7","5","4","1","4","1") = "6"
    & skf18("5","7","5","4","1","5","1") = "6"
    & skf18("5","7","5","4","1","6","1") = "6"
    & skf18("5","7","5","4","1","7","1") = "6"
    & skf18("5","7","5","4","1","8","1") = "7"
    & skf18("5","7","5","4","1","9","1") = "8"
    & skf18("5","7","5","4","1","10","1") = "9"
    & skf18("5","7","5","4","2","1","1") = "6"
    & skf18("5","7","5","4","2","2","1") = "6"
    & skf18("5","7","5","4","2","3","1") = "6"
    & skf18("5","7","5","4","2","4","1") = "6"
    & skf18("5","7","5","4","2","5","1") = "6"
    & skf18("5","7","5","4","2","6","1") = "6"
    & skf18("5","7","5","4","2","7","1") = "6"
    & skf18("5","7","5","4","2","8","1") = "7"
    & skf18("5","7","5","4","2","9","1") = "8"
    & skf18("5","7","5","4","2","10","1") = "9"
    & skf18("5","7","5","4","3","1","1") = "6"
    & skf18("5","7","5","4","3","2","1") = "6"
    & skf18("5","7","5","4","3","3","1") = "6"
    & skf18("5","7","5","4","3","4","1") = "6"
    & skf18("5","7","5","4","3","5","1") = "6"
    & skf18("5","7","5","4","3","6","1") = "6"
    & skf18("5","7","5","4","3","7","1") = "6"
    & skf18("5","7","5","4","3","8","1") = "7"
    & skf18("5","7","5","4","3","9","1") = "8"
    & skf18("5","7","5","4","3","10","1") = "9"
    & skf18("5","7","5","4","4","1","1") = "6"
    & skf18("5","7","5","4","4","2","1") = "6"
    & skf18("5","7","5","4","4","3","1") = "6"
    & skf18("5","7","5","4","4","4","1") = "6"
    & skf18("5","7","5","4","4","5","1") = "6"
    & skf18("5","7","5","4","4","6","1") = "6"
    & skf18("5","7","5","4","4","7","1") = "6"
    & skf18("5","7","5","4","4","8","1") = "7"
    & skf18("5","7","5","4","4","9","1") = "8"
    & skf18("5","7","5","4","4","10","1") = "9"
    & skf18("5","7","5","4","5","1","1") = "6"
    & skf18("5","7","5","4","5","2","1") = "6"
    & skf18("5","7","5","4","5","3","1") = "6"
    & skf18("5","7","5","4","5","4","1") = "6"
    & skf18("5","7","5","4","5","5","1") = "6"
    & skf18("5","7","5","4","5","6","1") = "6"
    & skf18("5","7","5","4","5","7","1") = "6"
    & skf18("5","7","5","4","5","8","1") = "7"
    & skf18("5","7","5","4","5","9","1") = "8"
    & skf18("5","7","5","4","5","10","1") = "9"
    & skf18("5","7","5","4","6","1","1") = "6"
    & skf18("5","7","5","4","6","2","1") = "6"
    & skf18("5","7","5","4","6","3","1") = "6"
    & skf18("5","7","5","4","6","4","1") = "6"
    & skf18("5","7","5","4","6","5","1") = "6"
    & skf18("5","7","5","4","6","6","1") = "6"
    & skf18("5","7","5","4","6","7","1") = "6"
    & skf18("5","7","5","4","6","8","1") = "7"
    & skf18("5","7","5","4","6","9","1") = "8"
    & skf18("5","7","5","4","6","10","1") = "9"
    & skf18("5","7","5","4","7","1","1") = "6"
    & skf18("5","7","5","4","7","2","1") = "6"
    & skf18("5","7","5","4","7","3","1") = "6"
    & skf18("5","7","5","4","7","4","1") = "6"
    & skf18("5","7","5","4","7","5","1") = "6"
    & skf18("5","7","5","4","7","6","1") = "6"
    & skf18("5","7","5","4","7","7","1") = "6"
    & skf18("5","7","5","4","7","8","1") = "7"
    & skf18("5","7","5","4","7","9","1") = "8"
    & skf18("5","7","5","4","7","10","1") = "9"
    & skf18("5","7","5","4","8","1","1") = "7"
    & skf18("5","7","5","4","8","2","1") = "7"
    & skf18("5","7","5","4","8","3","1") = "7"
    & skf18("5","7","5","4","8","4","1") = "7"
    & skf18("5","7","5","4","8","5","1") = "7"
    & skf18("5","7","5","4","8","6","1") = "7"
    & skf18("5","7","5","4","8","7","1") = "7"
    & skf18("5","7","5","4","8","8","1") = "7"
    & skf18("5","7","5","4","8","9","1") = "8"
    & skf18("5","7","5","4","8","10","1") = "9"
    & skf18("5","7","5","4","9","1","1") = "8"
    & skf18("5","7","5","4","9","2","1") = "8"
    & skf18("5","7","5","4","9","3","1") = "8"
    & skf18("5","7","5","4","9","4","1") = "8"
    & skf18("5","7","5","4","9","5","1") = "8"
    & skf18("5","7","5","4","9","6","1") = "8"
    & skf18("5","7","5","4","9","7","1") = "8"
    & skf18("5","7","5","4","9","8","1") = "8"
    & skf18("5","7","5","4","9","9","1") = "8"
    & skf18("5","7","5","4","9","10","1") = "9"
    & skf18("5","7","5","4","10","1","1") = "9"
    & skf18("5","7","5","4","10","2","1") = "9"
    & skf18("5","7","5","4","10","3","1") = "9"
    & skf18("5","7","5","4","10","4","1") = "9"
    & skf18("5","7","5","4","10","5","1") = "9"
    & skf18("5","7","5","4","10","6","1") = "9"
    & skf18("5","7","5","4","10","7","1") = "9"
    & skf18("5","7","5","4","10","8","1") = "9"
    & skf18("5","7","5","4","10","9","1") = "9"
    & skf18("5","7","5","4","10","10","1") = "9"
    & skf18("5","7","5","5","1","1","1") = "6"
    & skf18("5","7","5","5","1","2","1") = "6"
    & skf18("5","7","5","5","1","3","1") = "6"
    & skf18("5","7","5","5","1","4","1") = "6"
    & skf18("5","7","5","5","1","5","1") = "6"
    & skf18("5","7","5","5","1","6","1") = "6"
    & skf18("5","7","5","5","1","7","1") = "6"
    & skf18("5","7","5","5","1","8","1") = "7"
    & skf18("5","7","5","5","1","9","1") = "8"
    & skf18("5","7","5","5","1","10","1") = "9"
    & skf18("5","7","5","5","2","1","1") = "6"
    & skf18("5","7","5","5","2","2","1") = "6"
    & skf18("5","7","5","5","2","3","1") = "6"
    & skf18("5","7","5","5","2","4","1") = "6"
    & skf18("5","7","5","5","2","5","1") = "6"
    & skf18("5","7","5","5","2","6","1") = "6"
    & skf18("5","7","5","5","2","7","1") = "6"
    & skf18("5","7","5","5","2","8","1") = "7"
    & skf18("5","7","5","5","2","9","1") = "8"
    & skf18("5","7","5","5","2","10","1") = "9"
    & skf18("5","7","5","5","3","1","1") = "6"
    & skf18("5","7","5","5","3","2","1") = "6"
    & skf18("5","7","5","5","3","3","1") = "6"
    & skf18("5","7","5","5","3","4","1") = "6"
    & skf18("5","7","5","5","3","5","1") = "6"
    & skf18("5","7","5","5","3","6","1") = "6"
    & skf18("5","7","5","5","3","7","1") = "6"
    & skf18("5","7","5","5","3","8","1") = "7"
    & skf18("5","7","5","5","3","9","1") = "8"
    & skf18("5","7","5","5","3","10","1") = "9"
    & skf18("5","7","5","5","4","1","1") = "6"
    & skf18("5","7","5","5","4","2","1") = "6"
    & skf18("5","7","5","5","4","3","1") = "6"
    & skf18("5","7","5","5","4","4","1") = "6"
    & skf18("5","7","5","5","4","5","1") = "6"
    & skf18("5","7","5","5","4","6","1") = "6"
    & skf18("5","7","5","5","4","7","1") = "6"
    & skf18("5","7","5","5","4","8","1") = "7"
    & skf18("5","7","5","5","4","9","1") = "8"
    & skf18("5","7","5","5","4","10","1") = "9"
    & skf18("5","7","5","5","5","1","1") = "6"
    & skf18("5","7","5","5","5","2","1") = "6"
    & skf18("5","7","5","5","5","3","1") = "6"
    & skf18("5","7","5","5","5","4","1") = "6"
    & skf18("5","7","5","5","5","5","1") = "6"
    & skf18("5","7","5","5","5","6","1") = "6"
    & skf18("5","7","5","5","5","7","1") = "6"
    & skf18("5","7","5","5","5","8","1") = "7"
    & skf18("5","7","5","5","5","9","1") = "8"
    & skf18("5","7","5","5","5","10","1") = "9"
    & skf18("5","7","5","5","6","1","1") = "6"
    & skf18("5","7","5","5","6","2","1") = "6"
    & skf18("5","7","5","5","6","3","1") = "6"
    & skf18("5","7","5","5","6","4","1") = "6"
    & skf18("5","7","5","5","6","5","1") = "6"
    & skf18("5","7","5","5","6","6","1") = "6"
    & skf18("5","7","5","5","6","7","1") = "6"
    & skf18("5","7","5","5","6","8","1") = "7"
    & skf18("5","7","5","5","6","9","1") = "8"
    & skf18("5","7","5","5","6","10","1") = "9"
    & skf18("5","7","5","5","7","1","1") = "6"
    & skf18("5","7","5","5","7","2","1") = "6"
    & skf18("5","7","5","5","7","3","1") = "6"
    & skf18("5","7","5","5","7","4","1") = "6"
    & skf18("5","7","5","5","7","5","1") = "6"
    & skf18("5","7","5","5","7","6","1") = "6"
    & skf18("5","7","5","5","7","7","1") = "6"
    & skf18("5","7","5","5","7","8","1") = "7"
    & skf18("5","7","5","5","7","9","1") = "8"
    & skf18("5","7","5","5","7","10","1") = "9"
    & skf18("5","7","5","5","8","1","1") = "7"
    & skf18("5","7","5","5","8","2","1") = "7"
    & skf18("5","7","5","5","8","3","1") = "7"
    & skf18("5","7","5","5","8","4","1") = "7"
    & skf18("5","7","5","5","8","5","1") = "7"
    & skf18("5","7","5","5","8","6","1") = "7"
    & skf18("5","7","5","5","8","7","1") = "7"
    & skf18("5","7","5","5","8","8","1") = "7"
    & skf18("5","7","5","5","8","9","1") = "8"
    & skf18("5","7","5","5","8","10","1") = "9"
    & skf18("5","7","5","5","9","1","1") = "8"
    & skf18("5","7","5","5","9","2","1") = "8"
    & skf18("5","7","5","5","9","3","1") = "8"
    & skf18("5","7","5","5","9","4","1") = "8"
    & skf18("5","7","5","5","9","5","1") = "8"
    & skf18("5","7","5","5","9","6","1") = "8"
    & skf18("5","7","5","5","9","7","1") = "8"
    & skf18("5","7","5","5","9","8","1") = "8"
    & skf18("5","7","5","5","9","9","1") = "8"
    & skf18("5","7","5","5","9","10","1") = "9"
    & skf18("5","7","5","5","10","1","1") = "9"
    & skf18("5","7","5","5","10","2","1") = "9"
    & skf18("5","7","5","5","10","3","1") = "9"
    & skf18("5","7","5","5","10","4","1") = "9"
    & skf18("5","7","5","5","10","5","1") = "9"
    & skf18("5","7","5","5","10","6","1") = "9"
    & skf18("5","7","5","5","10","7","1") = "9"
    & skf18("5","7","5","5","10","8","1") = "9"
    & skf18("5","7","5","5","10","9","1") = "9"
    & skf18("5","7","5","5","10","10","1") = "9"
    & skf18("5","7","5","6","1","1","1") = "6"
    & skf18("5","7","5","6","1","2","1") = "6"
    & skf18("5","7","5","6","1","3","1") = "6"
    & skf18("5","7","5","6","1","4","1") = "6"
    & skf18("5","7","5","6","1","5","1") = "6"
    & skf18("5","7","5","6","1","6","1") = "6"
    & skf18("5","7","5","6","1","7","1") = "6"
    & skf18("5","7","5","6","1","8","1") = "7"
    & skf18("5","7","5","6","1","9","1") = "8"
    & skf18("5","7","5","6","1","10","1") = "9"
    & skf18("5","7","5","6","2","1","1") = "6"
    & skf18("5","7","5","6","2","2","1") = "6"
    & skf18("5","7","5","6","2","3","1") = "6"
    & skf18("5","7","5","6","2","4","1") = "6"
    & skf18("5","7","5","6","2","5","1") = "6"
    & skf18("5","7","5","6","2","6","1") = "6"
    & skf18("5","7","5","6","2","7","1") = "6"
    & skf18("5","7","5","6","2","8","1") = "7"
    & skf18("5","7","5","6","2","9","1") = "8"
    & skf18("5","7","5","6","2","10","1") = "9"
    & skf18("5","7","5","6","3","1","1") = "6"
    & skf18("5","7","5","6","3","2","1") = "6"
    & skf18("5","7","5","6","3","3","1") = "6"
    & skf18("5","7","5","6","3","4","1") = "6"
    & skf18("5","7","5","6","3","5","1") = "6"
    & skf18("5","7","5","6","3","6","1") = "6"
    & skf18("5","7","5","6","3","7","1") = "6"
    & skf18("5","7","5","6","3","8","1") = "7"
    & skf18("5","7","5","6","3","9","1") = "8"
    & skf18("5","7","5","6","3","10","1") = "9"
    & skf18("5","7","5","6","4","1","1") = "6"
    & skf18("5","7","5","6","4","2","1") = "6"
    & skf18("5","7","5","6","4","3","1") = "6"
    & skf18("5","7","5","6","4","4","1") = "6"
    & skf18("5","7","5","6","4","5","1") = "6"
    & skf18("5","7","5","6","4","6","1") = "6"
    & skf18("5","7","5","6","4","7","1") = "6"
    & skf18("5","7","5","6","4","8","1") = "7"
    & skf18("5","7","5","6","4","9","1") = "8"
    & skf18("5","7","5","6","4","10","1") = "9"
    & skf18("5","7","5","6","5","1","1") = "6"
    & skf18("5","7","5","6","5","2","1") = "6"
    & skf18("5","7","5","6","5","3","1") = "6"
    & skf18("5","7","5","6","5","4","1") = "6"
    & skf18("5","7","5","6","5","5","1") = "6"
    & skf18("5","7","5","6","5","6","1") = "6"
    & skf18("5","7","5","6","5","7","1") = "6"
    & skf18("5","7","5","6","5","8","1") = "7"
    & skf18("5","7","5","6","5","9","1") = "8"
    & skf18("5","7","5","6","5","10","1") = "9"
    & skf18("5","7","5","6","6","1","1") = "6"
    & skf18("5","7","5","6","6","2","1") = "6"
    & skf18("5","7","5","6","6","3","1") = "6"
    & skf18("5","7","5","6","6","4","1") = "6"
    & skf18("5","7","5","6","6","5","1") = "6"
    & skf18("5","7","5","6","6","6","1") = "6"
    & skf18("5","7","5","6","6","7","1") = "6"
    & skf18("5","7","5","6","6","8","1") = "7"
    & skf18("5","7","5","6","6","9","1") = "8"
    & skf18("5","7","5","6","6","10","1") = "9"
    & skf18("5","7","5","6","7","1","1") = "6"
    & skf18("5","7","5","6","7","2","1") = "6"
    & skf18("5","7","5","6","7","3","1") = "6"
    & skf18("5","7","5","6","7","4","1") = "6"
    & skf18("5","7","5","6","7","5","1") = "6"
    & skf18("5","7","5","6","7","6","1") = "6"
    & skf18("5","7","5","6","7","7","1") = "6"
    & skf18("5","7","5","6","7","8","1") = "7"
    & skf18("5","7","5","6","7","9","1") = "8"
    & skf18("5","7","5","6","7","10","1") = "9"
    & skf18("5","7","5","6","8","1","1") = "7"
    & skf18("5","7","5","6","8","2","1") = "7"
    & skf18("5","7","5","6","8","3","1") = "7"
    & skf18("5","7","5","6","8","4","1") = "7"
    & skf18("5","7","5","6","8","5","1") = "7"
    & skf18("5","7","5","6","8","6","1") = "7"
    & skf18("5","7","5","6","8","7","1") = "7"
    & skf18("5","7","5","6","8","8","1") = "7"
    & skf18("5","7","5","6","8","9","1") = "8"
    & skf18("5","7","5","6","8","10","1") = "9"
    & skf18("5","7","5","6","9","1","1") = "8"
    & skf18("5","7","5","6","9","2","1") = "8"
    & skf18("5","7","5","6","9","3","1") = "8"
    & skf18("5","7","5","6","9","4","1") = "8"
    & skf18("5","7","5","6","9","5","1") = "8"
    & skf18("5","7","5","6","9","6","1") = "8"
    & skf18("5","7","5","6","9","7","1") = "8"
    & skf18("5","7","5","6","9","8","1") = "8"
    & skf18("5","7","5","6","9","9","1") = "8"
    & skf18("5","7","5","6","9","10","1") = "9"
    & skf18("5","7","5","6","10","1","1") = "9"
    & skf18("5","7","5","6","10","2","1") = "9"
    & skf18("5","7","5","6","10","3","1") = "9"
    & skf18("5","7","5","6","10","4","1") = "9"
    & skf18("5","7","5","6","10","5","1") = "9"
    & skf18("5","7","5","6","10","6","1") = "9"
    & skf18("5","7","5","6","10","7","1") = "9"
    & skf18("5","7","5","6","10","8","1") = "9"
    & skf18("5","7","5","6","10","9","1") = "9"
    & skf18("5","7","5","6","10","10","1") = "9"
    & skf18("5","7","5","7","1","1","1") = "6"
    & skf18("5","7","5","7","1","2","1") = "6"
    & skf18("5","7","5","7","1","3","1") = "6"
    & skf18("5","7","5","7","1","4","1") = "6"
    & skf18("5","7","5","7","1","5","1") = "6"
    & skf18("5","7","5","7","1","6","1") = "6"
    & skf18("5","7","5","7","1","7","1") = "6"
    & skf18("5","7","5","7","1","8","1") = "7"
    & skf18("5","7","5","7","1","9","1") = "8"
    & skf18("5","7","5","7","1","10","1") = "9"
    & skf18("5","7","5","7","2","1","1") = "6"
    & skf18("5","7","5","7","2","2","1") = "6"
    & skf18("5","7","5","7","2","3","1") = "6"
    & skf18("5","7","5","7","2","4","1") = "6"
    & skf18("5","7","5","7","2","5","1") = "6"
    & skf18("5","7","5","7","2","6","1") = "6"
    & skf18("5","7","5","7","2","7","1") = "6"
    & skf18("5","7","5","7","2","8","1") = "7"
    & skf18("5","7","5","7","2","9","1") = "8"
    & skf18("5","7","5","7","2","10","1") = "9"
    & skf18("5","7","5","7","3","1","1") = "6"
    & skf18("5","7","5","7","3","2","1") = "6"
    & skf18("5","7","5","7","3","3","1") = "6"
    & skf18("5","7","5","7","3","4","1") = "6"
    & skf18("5","7","5","7","3","5","1") = "6"
    & skf18("5","7","5","7","3","6","1") = "6"
    & skf18("5","7","5","7","3","7","1") = "6"
    & skf18("5","7","5","7","3","8","1") = "7"
    & skf18("5","7","5","7","3","9","1") = "8"
    & skf18("5","7","5","7","3","10","1") = "9"
    & skf18("5","7","5","7","4","1","1") = "6"
    & skf18("5","7","5","7","4","2","1") = "6"
    & skf18("5","7","5","7","4","3","1") = "6"
    & skf18("5","7","5","7","4","4","1") = "6"
    & skf18("5","7","5","7","4","5","1") = "6"
    & skf18("5","7","5","7","4","6","1") = "6"
    & skf18("5","7","5","7","4","7","1") = "6"
    & skf18("5","7","5","7","4","8","1") = "7"
    & skf18("5","7","5","7","4","9","1") = "8"
    & skf18("5","7","5","7","4","10","1") = "9"
    & skf18("5","7","5","7","5","1","1") = "6"
    & skf18("5","7","5","7","5","2","1") = "6"
    & skf18("5","7","5","7","5","3","1") = "6"
    & skf18("5","7","5","7","5","4","1") = "6"
    & skf18("5","7","5","7","5","5","1") = "6"
    & skf18("5","7","5","7","5","6","1") = "6"
    & skf18("5","7","5","7","5","7","1") = "6"
    & skf18("5","7","5","7","5","8","1") = "7"
    & skf18("5","7","5","7","5","9","1") = "8"
    & skf18("5","7","5","7","5","10","1") = "9"
    & skf18("5","7","5","7","6","1","1") = "6"
    & skf18("5","7","5","7","6","2","1") = "6"
    & skf18("5","7","5","7","6","3","1") = "6"
    & skf18("5","7","5","7","6","4","1") = "6"
    & skf18("5","7","5","7","6","5","1") = "6"
    & skf18("5","7","5","7","6","6","1") = "6"
    & skf18("5","7","5","7","6","7","1") = "6"
    & skf18("5","7","5","7","6","8","1") = "7"
    & skf18("5","7","5","7","6","9","1") = "8"
    & skf18("5","7","5","7","6","10","1") = "9"
    & skf18("5","7","5","7","7","1","1") = "6"
    & skf18("5","7","5","7","7","2","1") = "6"
    & skf18("5","7","5","7","7","3","1") = "6"
    & skf18("5","7","5","7","7","4","1") = "6"
    & skf18("5","7","5","7","7","5","1") = "6"
    & skf18("5","7","5","7","7","6","1") = "6"
    & skf18("5","7","5","7","7","7","1") = "6"
    & skf18("5","7","5","7","7","8","1") = "7"
    & skf18("5","7","5","7","7","9","1") = "8"
    & skf18("5","7","5","7","7","10","1") = "9"
    & skf18("5","7","5","7","8","1","1") = "7"
    & skf18("5","7","5","7","8","2","1") = "7"
    & skf18("5","7","5","7","8","3","1") = "7"
    & skf18("5","7","5","7","8","4","1") = "7"
    & skf18("5","7","5","7","8","5","1") = "7"
    & skf18("5","7","5","7","8","6","1") = "7"
    & skf18("5","7","5","7","8","7","1") = "7"
    & skf18("5","7","5","7","8","8","1") = "7"
    & skf18("5","7","5","7","8","9","1") = "8"
    & skf18("5","7","5","7","8","10","1") = "9"
    & skf18("5","7","5","7","9","1","1") = "8"
    & skf18("5","7","5","7","9","2","1") = "8"
    & skf18("5","7","5","7","9","3","1") = "8"
    & skf18("5","7","5","7","9","4","1") = "8"
    & skf18("5","7","5","7","9","5","1") = "8"
    & skf18("5","7","5","7","9","6","1") = "8"
    & skf18("5","7","5","7","9","7","1") = "8"
    & skf18("5","7","5","7","9","8","1") = "8"
    & skf18("5","7","5","7","9","9","1") = "8"
    & skf18("5","7","5","7","9","10","1") = "9"
    & skf18("5","7","5","7","10","1","1") = "9"
    & skf18("5","7","5","7","10","2","1") = "9"
    & skf18("5","7","5","7","10","3","1") = "9"
    & skf18("5","7","5","7","10","4","1") = "9"
    & skf18("5","7","5","7","10","5","1") = "9"
    & skf18("5","7","5","7","10","6","1") = "9"
    & skf18("5","7","5","7","10","7","1") = "9"
    & skf18("5","7","5","7","10","8","1") = "9"
    & skf18("5","7","5","7","10","9","1") = "9"
    & skf18("5","7","5","7","10","10","1") = "9"
    & skf18("5","7","5","8","1","1","1") = "7"
    & skf18("5","7","5","8","1","2","1") = "7"
    & skf18("5","7","5","8","1","3","1") = "7"
    & skf18("5","7","5","8","1","4","1") = "7"
    & skf18("5","7","5","8","1","5","1") = "7"
    & skf18("5","7","5","8","1","6","1") = "7"
    & skf18("5","7","5","8","1","7","1") = "7"
    & skf18("5","7","5","8","1","8","1") = "7"
    & skf18("5","7","5","8","1","9","1") = "8"
    & skf18("5","7","5","8","1","10","1") = "9"
    & skf18("5","7","5","8","2","1","1") = "7"
    & skf18("5","7","5","8","2","2","1") = "7"
    & skf18("5","7","5","8","2","3","1") = "7"
    & skf18("5","7","5","8","2","4","1") = "7"
    & skf18("5","7","5","8","2","5","1") = "7"
    & skf18("5","7","5","8","2","6","1") = "7"
    & skf18("5","7","5","8","2","7","1") = "7"
    & skf18("5","7","5","8","2","8","1") = "7"
    & skf18("5","7","5","8","2","9","1") = "8"
    & skf18("5","7","5","8","2","10","1") = "9"
    & skf18("5","7","5","8","3","1","1") = "7"
    & skf18("5","7","5","8","3","2","1") = "7"
    & skf18("5","7","5","8","3","3","1") = "7"
    & skf18("5","7","5","8","3","4","1") = "7"
    & skf18("5","7","5","8","3","5","1") = "7"
    & skf18("5","7","5","8","3","6","1") = "7"
    & skf18("5","7","5","8","3","7","1") = "7"
    & skf18("5","7","5","8","3","8","1") = "7"
    & skf18("5","7","5","8","3","9","1") = "8"
    & skf18("5","7","5","8","3","10","1") = "9"
    & skf18("5","7","5","8","4","1","1") = "7"
    & skf18("5","7","5","8","4","2","1") = "7"
    & skf18("5","7","5","8","4","3","1") = "7"
    & skf18("5","7","5","8","4","4","1") = "7"
    & skf18("5","7","5","8","4","5","1") = "7"
    & skf18("5","7","5","8","4","6","1") = "7"
    & skf18("5","7","5","8","4","7","1") = "7"
    & skf18("5","7","5","8","4","8","1") = "7"
    & skf18("5","7","5","8","4","9","1") = "8"
    & skf18("5","7","5","8","4","10","1") = "9"
    & skf18("5","7","5","8","5","1","1") = "7"
    & skf18("5","7","5","8","5","2","1") = "7"
    & skf18("5","7","5","8","5","3","1") = "7"
    & skf18("5","7","5","8","5","4","1") = "7"
    & skf18("5","7","5","8","5","5","1") = "7"
    & skf18("5","7","5","8","5","6","1") = "7"
    & skf18("5","7","5","8","5","7","1") = "7"
    & skf18("5","7","5","8","5","8","1") = "7"
    & skf18("5","7","5","8","5","9","1") = "8"
    & skf18("5","7","5","8","5","10","1") = "9"
    & skf18("5","7","5","8","6","1","1") = "7"
    & skf18("5","7","5","8","6","2","1") = "7"
    & skf18("5","7","5","8","6","3","1") = "7"
    & skf18("5","7","5","8","6","4","1") = "7"
    & skf18("5","7","5","8","6","5","1") = "7"
    & skf18("5","7","5","8","6","6","1") = "7"
    & skf18("5","7","5","8","6","7","1") = "7"
    & skf18("5","7","5","8","6","8","1") = "7"
    & skf18("5","7","5","8","6","9","1") = "8"
    & skf18("5","7","5","8","6","10","1") = "9"
    & skf18("5","7","5","8","7","1","1") = "7"
    & skf18("5","7","5","8","7","2","1") = "7"
    & skf18("5","7","5","8","7","3","1") = "7"
    & skf18("5","7","5","8","7","4","1") = "7"
    & skf18("5","7","5","8","7","5","1") = "7"
    & skf18("5","7","5","8","7","6","1") = "7"
    & skf18("5","7","5","8","7","7","1") = "7"
    & skf18("5","7","5","8","7","8","1") = "7"
    & skf18("5","7","5","8","7","9","1") = "8"
    & skf18("5","7","5","8","7","10","1") = "9"
    & skf18("5","7","5","8","8","1","1") = "7"
    & skf18("5","7","5","8","8","2","1") = "7"
    & skf18("5","7","5","8","8","3","1") = "7"
    & skf18("5","7","5","8","8","4","1") = "7"
    & skf18("5","7","5","8","8","5","1") = "7"
    & skf18("5","7","5","8","8","6","1") = "7"
    & skf18("5","7","5","8","8","7","1") = "7"
    & skf18("5","7","5","8","8","8","1") = "7"
    & skf18("5","7","5","8","8","9","1") = "8"
    & skf18("5","7","5","8","8","10","1") = "9"
    & skf18("5","7","5","8","9","1","1") = "8"
    & skf18("5","7","5","8","9","2","1") = "8"
    & skf18("5","7","5","8","9","3","1") = "8"
    & skf18("5","7","5","8","9","4","1") = "8"
    & skf18("5","7","5","8","9","5","1") = "8"
    & skf18("5","7","5","8","9","6","1") = "8"
    & skf18("5","7","5","8","9","7","1") = "8"
    & skf18("5","7","5","8","9","8","1") = "8"
    & skf18("5","7","5","8","9","9","1") = "8"
    & skf18("5","7","5","8","9","10","1") = "9"
    & skf18("5","7","5","8","10","1","1") = "9"
    & skf18("5","7","5","8","10","2","1") = "9"
    & skf18("5","7","5","8","10","3","1") = "9"
    & skf18("5","7","5","8","10","4","1") = "9"
    & skf18("5","7","5","8","10","5","1") = "9"
    & skf18("5","7","5","8","10","6","1") = "9"
    & skf18("5","7","5","8","10","7","1") = "9"
    & skf18("5","7","5","8","10","8","1") = "9"
    & skf18("5","7","5","8","10","9","1") = "9"
    & skf18("5","7","5","8","10","10","1") = "9"
    & skf18("5","7","5","9","1","1","1") = "8"
    & skf18("5","7","5","9","1","2","1") = "8"
    & skf18("5","7","5","9","1","3","1") = "8"
    & skf18("5","7","5","9","1","4","1") = "8"
    & skf18("5","7","5","9","1","5","1") = "8"
    & skf18("5","7","5","9","1","6","1") = "8"
    & skf18("5","7","5","9","1","7","1") = "8"
    & skf18("5","7","5","9","1","8","1") = "8"
    & skf18("5","7","5","9","1","9","1") = "8"
    & skf18("5","7","5","9","1","10","1") = "9"
    & skf18("5","7","5","9","2","1","1") = "8"
    & skf18("5","7","5","9","2","2","1") = "8"
    & skf18("5","7","5","9","2","3","1") = "8"
    & skf18("5","7","5","9","2","4","1") = "8"
    & skf18("5","7","5","9","2","5","1") = "8"
    & skf18("5","7","5","9","2","6","1") = "8"
    & skf18("5","7","5","9","2","7","1") = "8"
    & skf18("5","7","5","9","2","8","1") = "8"
    & skf18("5","7","5","9","2","9","1") = "8"
    & skf18("5","7","5","9","2","10","1") = "9"
    & skf18("5","7","5","9","3","1","1") = "8"
    & skf18("5","7","5","9","3","2","1") = "8"
    & skf18("5","7","5","9","3","3","1") = "8"
    & skf18("5","7","5","9","3","4","1") = "8"
    & skf18("5","7","5","9","3","5","1") = "8"
    & skf18("5","7","5","9","3","6","1") = "8"
    & skf18("5","7","5","9","3","7","1") = "8"
    & skf18("5","7","5","9","3","8","1") = "8"
    & skf18("5","7","5","9","3","9","1") = "8"
    & skf18("5","7","5","9","3","10","1") = "9"
    & skf18("5","7","5","9","4","1","1") = "8"
    & skf18("5","7","5","9","4","2","1") = "8"
    & skf18("5","7","5","9","4","3","1") = "8"
    & skf18("5","7","5","9","4","4","1") = "8"
    & skf18("5","7","5","9","4","5","1") = "8"
    & skf18("5","7","5","9","4","6","1") = "8"
    & skf18("5","7","5","9","4","7","1") = "8"
    & skf18("5","7","5","9","4","8","1") = "8"
    & skf18("5","7","5","9","4","9","1") = "8"
    & skf18("5","7","5","9","4","10","1") = "9"
    & skf18("5","7","5","9","5","1","1") = "8"
    & skf18("5","7","5","9","5","2","1") = "8"
    & skf18("5","7","5","9","5","3","1") = "8"
    & skf18("5","7","5","9","5","4","1") = "8"
    & skf18("5","7","5","9","5","5","1") = "8"
    & skf18("5","7","5","9","5","6","1") = "8"
    & skf18("5","7","5","9","5","7","1") = "8"
    & skf18("5","7","5","9","5","8","1") = "8"
    & skf18("5","7","5","9","5","9","1") = "8"
    & skf18("5","7","5","9","5","10","1") = "9"
    & skf18("5","7","5","9","6","1","1") = "8"
    & skf18("5","7","5","9","6","2","1") = "8"
    & skf18("5","7","5","9","6","3","1") = "8"
    & skf18("5","7","5","9","6","4","1") = "8"
    & skf18("5","7","5","9","6","5","1") = "8"
    & skf18("5","7","5","9","6","6","1") = "8"
    & skf18("5","7","5","9","6","7","1") = "8"
    & skf18("5","7","5","9","6","8","1") = "8"
    & skf18("5","7","5","9","6","9","1") = "8"
    & skf18("5","7","5","9","6","10","1") = "9"
    & skf18("5","7","5","9","7","1","1") = "8"
    & skf18("5","7","5","9","7","2","1") = "8"
    & skf18("5","7","5","9","7","3","1") = "8"
    & skf18("5","7","5","9","7","4","1") = "8"
    & skf18("5","7","5","9","7","5","1") = "8"
    & skf18("5","7","5","9","7","6","1") = "8"
    & skf18("5","7","5","9","7","7","1") = "8"
    & skf18("5","7","5","9","7","8","1") = "8"
    & skf18("5","7","5","9","7","9","1") = "8"
    & skf18("5","7","5","9","7","10","1") = "9"
    & skf18("5","7","5","9","8","1","1") = "8"
    & skf18("5","7","5","9","8","2","1") = "8"
    & skf18("5","7","5","9","8","3","1") = "8"
    & skf18("5","7","5","9","8","4","1") = "8"
    & skf18("5","7","5","9","8","5","1") = "8"
    & skf18("5","7","5","9","8","6","1") = "8"
    & skf18("5","7","5","9","8","7","1") = "8"
    & skf18("5","7","5","9","8","8","1") = "8"
    & skf18("5","7","5","9","8","9","1") = "8"
    & skf18("5","7","5","9","8","10","1") = "9"
    & skf18("5","7","5","9","9","1","1") = "8"
    & skf18("5","7","5","9","9","2","1") = "8"
    & skf18("5","7","5","9","9","3","1") = "8"
    & skf18("5","7","5","9","9","4","1") = "8"
    & skf18("5","7","5","9","9","5","1") = "8"
    & skf18("5","7","5","9","9","6","1") = "8"
    & skf18("5","7","5","9","9","7","1") = "8"
    & skf18("5","7","5","9","9","8","1") = "8"
    & skf18("5","7","5","9","9","9","1") = "8"
    & skf18("5","7","5","9","9","10","1") = "9"
    & skf18("5","7","5","9","10","1","1") = "9"
    & skf18("5","7","5","9","10","2","1") = "9"
    & skf18("5","7","5","9","10","3","1") = "9"
    & skf18("5","7","5","9","10","4","1") = "9"
    & skf18("5","7","5","9","10","5","1") = "9"
    & skf18("5","7","5","9","10","6","1") = "9"
    & skf18("5","7","5","9","10","7","1") = "9"
    & skf18("5","7","5","9","10","8","1") = "9"
    & skf18("5","7","5","9","10","9","1") = "9"
    & skf18("5","7","5","9","10","10","1") = "9"
    & skf18("5","7","5","10","1","1","1") = "9"
    & skf18("5","7","5","10","1","2","1") = "9"
    & skf18("5","7","5","10","1","3","1") = "9"
    & skf18("5","7","5","10","1","4","1") = "9"
    & skf18("5","7","5","10","1","5","1") = "9"
    & skf18("5","7","5","10","1","6","1") = "9"
    & skf18("5","7","5","10","1","7","1") = "9"
    & skf18("5","7","5","10","1","8","1") = "9"
    & skf18("5","7","5","10","1","9","1") = "9"
    & skf18("5","7","5","10","1","10","1") = "9"
    & skf18("5","7","5","10","2","1","1") = "9"
    & skf18("5","7","5","10","2","2","1") = "9"
    & skf18("5","7","5","10","2","3","1") = "9"
    & skf18("5","7","5","10","2","4","1") = "9"
    & skf18("5","7","5","10","2","5","1") = "9"
    & skf18("5","7","5","10","2","6","1") = "9"
    & skf18("5","7","5","10","2","7","1") = "9"
    & skf18("5","7","5","10","2","8","1") = "9"
    & skf18("5","7","5","10","2","9","1") = "9"
    & skf18("5","7","5","10","2","10","1") = "9"
    & skf18("5","7","5","10","3","1","1") = "9"
    & skf18("5","7","5","10","3","2","1") = "9"
    & skf18("5","7","5","10","3","3","1") = "9"
    & skf18("5","7","5","10","3","4","1") = "9"
    & skf18("5","7","5","10","3","5","1") = "9"
    & skf18("5","7","5","10","3","6","1") = "9"
    & skf18("5","7","5","10","3","7","1") = "9"
    & skf18("5","7","5","10","3","8","1") = "9"
    & skf18("5","7","5","10","3","9","1") = "9"
    & skf18("5","7","5","10","3","10","1") = "9"
    & skf18("5","7","5","10","4","1","1") = "9"
    & skf18("5","7","5","10","4","2","1") = "9"
    & skf18("5","7","5","10","4","3","1") = "9"
    & skf18("5","7","5","10","4","4","1") = "9"
    & skf18("5","7","5","10","4","5","1") = "9"
    & skf18("5","7","5","10","4","6","1") = "9"
    & skf18("5","7","5","10","4","7","1") = "9"
    & skf18("5","7","5","10","4","8","1") = "9"
    & skf18("5","7","5","10","4","9","1") = "9"
    & skf18("5","7","5","10","4","10","1") = "9"
    & skf18("5","7","5","10","5","1","1") = "9"
    & skf18("5","7","5","10","5","2","1") = "9"
    & skf18("5","7","5","10","5","3","1") = "9"
    & skf18("5","7","5","10","5","4","1") = "9"
    & skf18("5","7","5","10","5","5","1") = "9"
    & skf18("5","7","5","10","5","6","1") = "9"
    & skf18("5","7","5","10","5","7","1") = "9"
    & skf18("5","7","5","10","5","8","1") = "9"
    & skf18("5","7","5","10","5","9","1") = "9"
    & skf18("5","7","5","10","5","10","1") = "9"
    & skf18("5","7","5","10","6","1","1") = "9"
    & skf18("5","7","5","10","6","2","1") = "9"
    & skf18("5","7","5","10","6","3","1") = "9"
    & skf18("5","7","5","10","6","4","1") = "9"
    & skf18("5","7","5","10","6","5","1") = "9"
    & skf18("5","7","5","10","6","6","1") = "9"
    & skf18("5","7","5","10","6","7","1") = "9"
    & skf18("5","7","5","10","6","8","1") = "9"
    & skf18("5","7","5","10","6","9","1") = "9"
    & skf18("5","7","5","10","6","10","1") = "9"
    & skf18("5","7","5","10","7","1","1") = "9"
    & skf18("5","7","5","10","7","2","1") = "9"
    & skf18("5","7","5","10","7","3","1") = "9"
    & skf18("5","7","5","10","7","4","1") = "9"
    & skf18("5","7","5","10","7","5","1") = "9"
    & skf18("5","7","5","10","7","6","1") = "9"
    & skf18("5","7","5","10","7","7","1") = "9"
    & skf18("5","7","5","10","7","8","1") = "9"
    & skf18("5","7","5","10","7","9","1") = "9"
    & skf18("5","7","5","10","7","10","1") = "9"
    & skf18("5","7","5","10","8","1","1") = "9"
    & skf18("5","7","5","10","8","2","1") = "9"
    & skf18("5","7","5","10","8","3","1") = "9"
    & skf18("5","7","5","10","8","4","1") = "9"
    & skf18("5","7","5","10","8","5","1") = "9"
    & skf18("5","7","5","10","8","6","1") = "9"
    & skf18("5","7","5","10","8","7","1") = "9"
    & skf18("5","7","5","10","8","8","1") = "9"
    & skf18("5","7","5","10","8","9","1") = "9"
    & skf18("5","7","5","10","8","10","1") = "9"
    & skf18("5","7","5","10","9","1","1") = "9"
    & skf18("5","7","5","10","9","2","1") = "9"
    & skf18("5","7","5","10","9","3","1") = "9"
    & skf18("5","7","5","10","9","4","1") = "9"
    & skf18("5","7","5","10","9","5","1") = "9"
    & skf18("5","7","5","10","9","6","1") = "9"
    & skf18("5","7","5","10","9","7","1") = "9"
    & skf18("5","7","5","10","9","8","1") = "9"
    & skf18("5","7","5","10","9","9","1") = "9"
    & skf18("5","7","5","10","9","10","1") = "9"
    & skf18("5","7","5","10","10","1","1") = "9"
    & skf18("5","7","5","10","10","2","1") = "9"
    & skf18("5","7","5","10","10","3","1") = "9"
    & skf18("5","7","5","10","10","4","1") = "9"
    & skf18("5","7","5","10","10","5","1") = "9"
    & skf18("5","7","5","10","10","6","1") = "9"
    & skf18("5","7","5","10","10","7","1") = "9"
    & skf18("5","7","5","10","10","8","1") = "9"
    & skf18("5","7","5","10","10","9","1") = "9"
    & skf18("5","7","5","10","10","10","1") = "9"
    & skf18("5","7","6","1","1","1","1") = "6"
    & skf18("5","7","6","1","1","2","1") = "6"
    & skf18("5","7","6","1","1","3","1") = "6"
    & skf18("5","7","6","1","1","4","1") = "6"
    & skf18("5","7","6","1","1","5","1") = "6"
    & skf18("5","7","6","1","1","6","1") = "6"
    & skf18("5","7","6","1","1","7","1") = "6"
    & skf18("5","7","6","1","1","8","1") = "7"
    & skf18("5","7","6","1","1","9","1") = "8"
    & skf18("5","7","6","1","1","10","1") = "9"
    & skf18("5","7","6","1","2","1","1") = "6"
    & skf18("5","7","6","1","2","2","1") = "6"
    & skf18("5","7","6","1","2","3","1") = "6"
    & skf18("5","7","6","1","2","4","1") = "6"
    & skf18("5","7","6","1","2","5","1") = "6"
    & skf18("5","7","6","1","2","6","1") = "6"
    & skf18("5","7","6","1","2","7","1") = "6"
    & skf18("5","7","6","1","2","8","1") = "7"
    & skf18("5","7","6","1","2","9","1") = "8"
    & skf18("5","7","6","1","2","10","1") = "9"
    & skf18("5","7","6","1","3","1","1") = "6"
    & skf18("5","7","6","1","3","2","1") = "6"
    & skf18("5","7","6","1","3","3","1") = "6"
    & skf18("5","7","6","1","3","4","1") = "6"
    & skf18("5","7","6","1","3","5","1") = "6"
    & skf18("5","7","6","1","3","6","1") = "6"
    & skf18("5","7","6","1","3","7","1") = "6"
    & skf18("5","7","6","1","3","8","1") = "7"
    & skf18("5","7","6","1","3","9","1") = "8"
    & skf18("5","7","6","1","3","10","1") = "9"
    & skf18("5","7","6","1","4","1","1") = "6"
    & skf18("5","7","6","1","4","2","1") = "6"
    & skf18("5","7","6","1","4","3","1") = "6"
    & skf18("5","7","6","1","4","4","1") = "6"
    & skf18("5","7","6","1","4","5","1") = "6"
    & skf18("5","7","6","1","4","6","1") = "6"
    & skf18("5","7","6","1","4","7","1") = "6"
    & skf18("5","7","6","1","4","8","1") = "7"
    & skf18("5","7","6","1","4","9","1") = "8"
    & skf18("5","7","6","1","4","10","1") = "9"
    & skf18("5","7","6","1","5","1","1") = "6"
    & skf18("5","7","6","1","5","2","1") = "6"
    & skf18("5","7","6","1","5","3","1") = "6"
    & skf18("5","7","6","1","5","4","1") = "6"
    & skf18("5","7","6","1","5","5","1") = "6"
    & skf18("5","7","6","1","5","6","1") = "6"
    & skf18("5","7","6","1","5","7","1") = "6"
    & skf18("5","7","6","1","5","8","1") = "7"
    & skf18("5","7","6","1","5","9","1") = "8"
    & skf18("5","7","6","1","5","10","1") = "9"
    & skf18("5","7","6","1","6","1","1") = "6"
    & skf18("5","7","6","1","6","2","1") = "6"
    & skf18("5","7","6","1","6","3","1") = "6"
    & skf18("5","7","6","1","6","4","1") = "6"
    & skf18("5","7","6","1","6","5","1") = "6"
    & skf18("5","7","6","1","6","6","1") = "6"
    & skf18("5","7","6","1","6","7","1") = "6"
    & skf18("5","7","6","1","6","8","1") = "7"
    & skf18("5","7","6","1","6","9","1") = "8"
    & skf18("5","7","6","1","6","10","1") = "9"
    & skf18("5","7","6","1","7","1","1") = "6"
    & skf18("5","7","6","1","7","2","1") = "6"
    & skf18("5","7","6","1","7","3","1") = "6"
    & skf18("5","7","6","1","7","4","1") = "6"
    & skf18("5","7","6","1","7","5","1") = "6"
    & skf18("5","7","6","1","7","6","1") = "6"
    & skf18("5","7","6","1","7","7","1") = "6"
    & skf18("5","7","6","1","7","8","1") = "7"
    & skf18("5","7","6","1","7","9","1") = "8"
    & skf18("5","7","6","1","7","10","1") = "9"
    & skf18("5","7","6","1","8","1","1") = "7"
    & skf18("5","7","6","1","8","2","1") = "7"
    & skf18("5","7","6","1","8","3","1") = "7"
    & skf18("5","7","6","1","8","4","1") = "7"
    & skf18("5","7","6","1","8","5","1") = "7"
    & skf18("5","7","6","1","8","6","1") = "7"
    & skf18("5","7","6","1","8","7","1") = "7"
    & skf18("5","7","6","1","8","8","1") = "7"
    & skf18("5","7","6","1","8","9","1") = "8"
    & skf18("5","7","6","1","8","10","1") = "9"
    & skf18("5","7","6","1","9","1","1") = "8"
    & skf18("5","7","6","1","9","2","1") = "8"
    & skf18("5","7","6","1","9","3","1") = "8"
    & skf18("5","7","6","1","9","4","1") = "8"
    & skf18("5","7","6","1","9","5","1") = "8"
    & skf18("5","7","6","1","9","6","1") = "8"
    & skf18("5","7","6","1","9","7","1") = "8"
    & skf18("5","7","6","1","9","8","1") = "8"
    & skf18("5","7","6","1","9","9","1") = "8"
    & skf18("5","7","6","1","9","10","1") = "9"
    & skf18("5","7","6","1","10","1","1") = "9"
    & skf18("5","7","6","1","10","2","1") = "9"
    & skf18("5","7","6","1","10","3","1") = "9"
    & skf18("5","7","6","1","10","4","1") = "9"
    & skf18("5","7","6","1","10","5","1") = "9"
    & skf18("5","7","6","1","10","6","1") = "9"
    & skf18("5","7","6","1","10","7","1") = "9"
    & skf18("5","7","6","1","10","8","1") = "9"
    & skf18("5","7","6","1","10","9","1") = "9"
    & skf18("5","7","6","1","10","10","1") = "9"
    & skf18("5","7","6","2","1","1","1") = "6"
    & skf18("5","7","6","2","1","2","1") = "6"
    & skf18("5","7","6","2","1","3","1") = "6"
    & skf18("5","7","6","2","1","4","1") = "6"
    & skf18("5","7","6","2","1","5","1") = "6"
    & skf18("5","7","6","2","1","6","1") = "6"
    & skf18("5","7","6","2","1","7","1") = "6"
    & skf18("5","7","6","2","1","8","1") = "7"
    & skf18("5","7","6","2","1","9","1") = "8"
    & skf18("5","7","6","2","1","10","1") = "9"
    & skf18("5","7","6","2","2","1","1") = "6"
    & skf18("5","7","6","2","2","2","1") = "6"
    & skf18("5","7","6","2","2","3","1") = "6"
    & skf18("5","7","6","2","2","4","1") = "6"
    & skf18("5","7","6","2","2","5","1") = "6"
    & skf18("5","7","6","2","2","6","1") = "6"
    & skf18("5","7","6","2","2","7","1") = "6"
    & skf18("5","7","6","2","2","8","1") = "7"
    & skf18("5","7","6","2","2","9","1") = "8"
    & skf18("5","7","6","2","2","10","1") = "9"
    & skf18("5","7","6","2","3","1","1") = "6"
    & skf18("5","7","6","2","3","2","1") = "6"
    & skf18("5","7","6","2","3","3","1") = "6"
    & skf18("5","7","6","2","3","4","1") = "6"
    & skf18("5","7","6","2","3","5","1") = "6"
    & skf18("5","7","6","2","3","6","1") = "6"
    & skf18("5","7","6","2","3","7","1") = "6"
    & skf18("5","7","6","2","3","8","1") = "7"
    & skf18("5","7","6","2","3","9","1") = "8"
    & skf18("5","7","6","2","3","10","1") = "9"
    & skf18("5","7","6","2","4","1","1") = "6"
    & skf18("5","7","6","2","4","2","1") = "6"
    & skf18("5","7","6","2","4","3","1") = "6"
    & skf18("5","7","6","2","4","4","1") = "6"
    & skf18("5","7","6","2","4","5","1") = "6"
    & skf18("5","7","6","2","4","6","1") = "6"
    & skf18("5","7","6","2","4","7","1") = "6"
    & skf18("5","7","6","2","4","8","1") = "7"
    & skf18("5","7","6","2","4","9","1") = "8"
    & skf18("5","7","6","2","4","10","1") = "9"
    & skf18("5","7","6","2","5","1","1") = "6"
    & skf18("5","7","6","2","5","2","1") = "6"
    & skf18("5","7","6","2","5","3","1") = "6"
    & skf18("5","7","6","2","5","4","1") = "6"
    & skf18("5","7","6","2","5","5","1") = "6"
    & skf18("5","7","6","2","5","6","1") = "6"
    & skf18("5","7","6","2","5","7","1") = "6"
    & skf18("5","7","6","2","5","8","1") = "7"
    & skf18("5","7","6","2","5","9","1") = "8"
    & skf18("5","7","6","2","5","10","1") = "9"
    & skf18("5","7","6","2","6","1","1") = "6"
    & skf18("5","7","6","2","6","2","1") = "6"
    & skf18("5","7","6","2","6","3","1") = "6"
    & skf18("5","7","6","2","6","4","1") = "6"
    & skf18("5","7","6","2","6","5","1") = "6"
    & skf18("5","7","6","2","6","6","1") = "6"
    & skf18("5","7","6","2","6","7","1") = "6"
    & skf18("5","7","6","2","6","8","1") = "7"
    & skf18("5","7","6","2","6","9","1") = "8"
    & skf18("5","7","6","2","6","10","1") = "9"
    & skf18("5","7","6","2","7","1","1") = "6"
    & skf18("5","7","6","2","7","2","1") = "6"
    & skf18("5","7","6","2","7","3","1") = "6"
    & skf18("5","7","6","2","7","4","1") = "6"
    & skf18("5","7","6","2","7","5","1") = "6"
    & skf18("5","7","6","2","7","6","1") = "6"
    & skf18("5","7","6","2","7","7","1") = "6"
    & skf18("5","7","6","2","7","8","1") = "7"
    & skf18("5","7","6","2","7","9","1") = "8"
    & skf18("5","7","6","2","7","10","1") = "9"
    & skf18("5","7","6","2","8","1","1") = "7"
    & skf18("5","7","6","2","8","2","1") = "7"
    & skf18("5","7","6","2","8","3","1") = "7"
    & skf18("5","7","6","2","8","4","1") = "7"
    & skf18("5","7","6","2","8","5","1") = "7"
    & skf18("5","7","6","2","8","6","1") = "7"
    & skf18("5","7","6","2","8","7","1") = "7"
    & skf18("5","7","6","2","8","8","1") = "7"
    & skf18("5","7","6","2","8","9","1") = "8"
    & skf18("5","7","6","2","8","10","1") = "9"
    & skf18("5","7","6","2","9","1","1") = "8"
    & skf18("5","7","6","2","9","2","1") = "8"
    & skf18("5","7","6","2","9","3","1") = "8"
    & skf18("5","7","6","2","9","4","1") = "8"
    & skf18("5","7","6","2","9","5","1") = "8"
    & skf18("5","7","6","2","9","6","1") = "8"
    & skf18("5","7","6","2","9","7","1") = "8"
    & skf18("5","7","6","2","9","8","1") = "8"
    & skf18("5","7","6","2","9","9","1") = "8"
    & skf18("5","7","6","2","9","10","1") = "9"
    & skf18("5","7","6","2","10","1","1") = "9"
    & skf18("5","7","6","2","10","2","1") = "9"
    & skf18("5","7","6","2","10","3","1") = "9"
    & skf18("5","7","6","2","10","4","1") = "9"
    & skf18("5","7","6","2","10","5","1") = "9"
    & skf18("5","7","6","2","10","6","1") = "9"
    & skf18("5","7","6","2","10","7","1") = "9"
    & skf18("5","7","6","2","10","8","1") = "9"
    & skf18("5","7","6","2","10","9","1") = "9"
    & skf18("5","7","6","2","10","10","1") = "9"
    & skf18("5","7","6","3","1","1","1") = "6"
    & skf18("5","7","6","3","1","2","1") = "6"
    & skf18("5","7","6","3","1","3","1") = "6"
    & skf18("5","7","6","3","1","4","1") = "6"
    & skf18("5","7","6","3","1","5","1") = "6"
    & skf18("5","7","6","3","1","6","1") = "6"
    & skf18("5","7","6","3","1","7","1") = "6"
    & skf18("5","7","6","3","1","8","1") = "7"
    & skf18("5","7","6","3","1","9","1") = "8"
    & skf18("5","7","6","3","1","10","1") = "9"
    & skf18("5","7","6","3","2","1","1") = "6"
    & skf18("5","7","6","3","2","2","1") = "6"
    & skf18("5","7","6","3","2","3","1") = "6"
    & skf18("5","7","6","3","2","4","1") = "6"
    & skf18("5","7","6","3","2","5","1") = "6"
    & skf18("5","7","6","3","2","6","1") = "6"
    & skf18("5","7","6","3","2","7","1") = "6"
    & skf18("5","7","6","3","2","8","1") = "7"
    & skf18("5","7","6","3","2","9","1") = "8"
    & skf18("5","7","6","3","2","10","1") = "9"
    & skf18("5","7","6","3","3","1","1") = "6"
    & skf18("5","7","6","3","3","2","1") = "6"
    & skf18("5","7","6","3","3","3","1") = "6"
    & skf18("5","7","6","3","3","4","1") = "6"
    & skf18("5","7","6","3","3","5","1") = "6"
    & skf18("5","7","6","3","3","6","1") = "6"
    & skf18("5","7","6","3","3","7","1") = "6"
    & skf18("5","7","6","3","3","8","1") = "7"
    & skf18("5","7","6","3","3","9","1") = "8"
    & skf18("5","7","6","3","3","10","1") = "9"
    & skf18("5","7","6","3","4","1","1") = "6"
    & skf18("5","7","6","3","4","2","1") = "6"
    & skf18("5","7","6","3","4","3","1") = "6"
    & skf18("5","7","6","3","4","4","1") = "6"
    & skf18("5","7","6","3","4","5","1") = "6"
    & skf18("5","7","6","3","4","6","1") = "6"
    & skf18("5","7","6","3","4","7","1") = "6"
    & skf18("5","7","6","3","4","8","1") = "7"
    & skf18("5","7","6","3","4","9","1") = "8"
    & skf18("5","7","6","3","4","10","1") = "9"
    & skf18("5","7","6","3","5","1","1") = "6"
    & skf18("5","7","6","3","5","2","1") = "6"
    & skf18("5","7","6","3","5","3","1") = "6"
    & skf18("5","7","6","3","5","4","1") = "6"
    & skf18("5","7","6","3","5","5","1") = "6"
    & skf18("5","7","6","3","5","6","1") = "6"
    & skf18("5","7","6","3","5","7","1") = "6"
    & skf18("5","7","6","3","5","8","1") = "7"
    & skf18("5","7","6","3","5","9","1") = "8"
    & skf18("5","7","6","3","5","10","1") = "9"
    & skf18("5","7","6","3","6","1","1") = "6"
    & skf18("5","7","6","3","6","2","1") = "6"
    & skf18("5","7","6","3","6","3","1") = "6"
    & skf18("5","7","6","3","6","4","1") = "6"
    & skf18("5","7","6","3","6","5","1") = "6"
    & skf18("5","7","6","3","6","6","1") = "6"
    & skf18("5","7","6","3","6","7","1") = "6"
    & skf18("5","7","6","3","6","8","1") = "7"
    & skf18("5","7","6","3","6","9","1") = "8"
    & skf18("5","7","6","3","6","10","1") = "9"
    & skf18("5","7","6","3","7","1","1") = "6"
    & skf18("5","7","6","3","7","2","1") = "6"
    & skf18("5","7","6","3","7","3","1") = "6"
    & skf18("5","7","6","3","7","4","1") = "6"
    & skf18("5","7","6","3","7","5","1") = "6"
    & skf18("5","7","6","3","7","6","1") = "6"
    & skf18("5","7","6","3","7","7","1") = "6"
    & skf18("5","7","6","3","7","8","1") = "7"
    & skf18("5","7","6","3","7","9","1") = "8"
    & skf18("5","7","6","3","7","10","1") = "9"
    & skf18("5","7","6","3","8","1","1") = "7"
    & skf18("5","7","6","3","8","2","1") = "7"
    & skf18("5","7","6","3","8","3","1") = "7"
    & skf18("5","7","6","3","8","4","1") = "7"
    & skf18("5","7","6","3","8","5","1") = "7"
    & skf18("5","7","6","3","8","6","1") = "7"
    & skf18("5","7","6","3","8","7","1") = "7"
    & skf18("5","7","6","3","8","8","1") = "7"
    & skf18("5","7","6","3","8","9","1") = "8"
    & skf18("5","7","6","3","8","10","1") = "9"
    & skf18("5","7","6","3","9","1","1") = "8"
    & skf18("5","7","6","3","9","2","1") = "8"
    & skf18("5","7","6","3","9","3","1") = "8"
    & skf18("5","7","6","3","9","4","1") = "8"
    & skf18("5","7","6","3","9","5","1") = "8"
    & skf18("5","7","6","3","9","6","1") = "8"
    & skf18("5","7","6","3","9","7","1") = "8"
    & skf18("5","7","6","3","9","8","1") = "8"
    & skf18("5","7","6","3","9","9","1") = "8"
    & skf18("5","7","6","3","9","10","1") = "9"
    & skf18("5","7","6","3","10","1","1") = "9"
    & skf18("5","7","6","3","10","2","1") = "9"
    & skf18("5","7","6","3","10","3","1") = "9"
    & skf18("5","7","6","3","10","4","1") = "9"
    & skf18("5","7","6","3","10","5","1") = "9"
    & skf18("5","7","6","3","10","6","1") = "9"
    & skf18("5","7","6","3","10","7","1") = "9"
    & skf18("5","7","6","3","10","8","1") = "9"
    & skf18("5","7","6","3","10","9","1") = "9"
    & skf18("5","7","6","3","10","10","1") = "9"
    & skf18("5","7","6","4","1","1","1") = "6"
    & skf18("5","7","6","4","1","2","1") = "6"
    & skf18("5","7","6","4","1","3","1") = "6"
    & skf18("5","7","6","4","1","4","1") = "6"
    & skf18("5","7","6","4","1","5","1") = "6"
    & skf18("5","7","6","4","1","6","1") = "6"
    & skf18("5","7","6","4","1","7","1") = "6"
    & skf18("5","7","6","4","1","8","1") = "7"
    & skf18("5","7","6","4","1","9","1") = "8"
    & skf18("5","7","6","4","1","10","1") = "9"
    & skf18("5","7","6","4","2","1","1") = "6"
    & skf18("5","7","6","4","2","2","1") = "6"
    & skf18("5","7","6","4","2","3","1") = "6"
    & skf18("5","7","6","4","2","4","1") = "6"
    & skf18("5","7","6","4","2","5","1") = "6"
    & skf18("5","7","6","4","2","6","1") = "6"
    & skf18("5","7","6","4","2","7","1") = "6"
    & skf18("5","7","6","4","2","8","1") = "7"
    & skf18("5","7","6","4","2","9","1") = "8"
    & skf18("5","7","6","4","2","10","1") = "9"
    & skf18("5","7","6","4","3","1","1") = "6"
    & skf18("5","7","6","4","3","2","1") = "6"
    & skf18("5","7","6","4","3","3","1") = "6"
    & skf18("5","7","6","4","3","4","1") = "6"
    & skf18("5","7","6","4","3","5","1") = "6"
    & skf18("5","7","6","4","3","6","1") = "6"
    & skf18("5","7","6","4","3","7","1") = "6"
    & skf18("5","7","6","4","3","8","1") = "7"
    & skf18("5","7","6","4","3","9","1") = "8"
    & skf18("5","7","6","4","3","10","1") = "9"
    & skf18("5","7","6","4","4","1","1") = "6"
    & skf18("5","7","6","4","4","2","1") = "6"
    & skf18("5","7","6","4","4","3","1") = "6"
    & skf18("5","7","6","4","4","4","1") = "6"
    & skf18("5","7","6","4","4","5","1") = "6"
    & skf18("5","7","6","4","4","6","1") = "6"
    & skf18("5","7","6","4","4","7","1") = "6"
    & skf18("5","7","6","4","4","8","1") = "7"
    & skf18("5","7","6","4","4","9","1") = "8"
    & skf18("5","7","6","4","4","10","1") = "9"
    & skf18("5","7","6","4","5","1","1") = "6"
    & skf18("5","7","6","4","5","2","1") = "6"
    & skf18("5","7","6","4","5","3","1") = "6"
    & skf18("5","7","6","4","5","4","1") = "6"
    & skf18("5","7","6","4","5","5","1") = "6"
    & skf18("5","7","6","4","5","6","1") = "6"
    & skf18("5","7","6","4","5","7","1") = "6"
    & skf18("5","7","6","4","5","8","1") = "7"
    & skf18("5","7","6","4","5","9","1") = "8"
    & skf18("5","7","6","4","5","10","1") = "9"
    & skf18("5","7","6","4","6","1","1") = "6"
    & skf18("5","7","6","4","6","2","1") = "6"
    & skf18("5","7","6","4","6","3","1") = "6"
    & skf18("5","7","6","4","6","4","1") = "6"
    & skf18("5","7","6","4","6","5","1") = "6"
    & skf18("5","7","6","4","6","6","1") = "6"
    & skf18("5","7","6","4","6","7","1") = "6"
    & skf18("5","7","6","4","6","8","1") = "7"
    & skf18("5","7","6","4","6","9","1") = "8"
    & skf18("5","7","6","4","6","10","1") = "9"
    & skf18("5","7","6","4","7","1","1") = "6"
    & skf18("5","7","6","4","7","2","1") = "6"
    & skf18("5","7","6","4","7","3","1") = "6"
    & skf18("5","7","6","4","7","4","1") = "6"
    & skf18("5","7","6","4","7","5","1") = "6"
    & skf18("5","7","6","4","7","6","1") = "6"
    & skf18("5","7","6","4","7","7","1") = "6"
    & skf18("5","7","6","4","7","8","1") = "7"
    & skf18("5","7","6","4","7","9","1") = "8"
    & skf18("5","7","6","4","7","10","1") = "9"
    & skf18("5","7","6","4","8","1","1") = "7"
    & skf18("5","7","6","4","8","2","1") = "7"
    & skf18("5","7","6","4","8","3","1") = "7"
    & skf18("5","7","6","4","8","4","1") = "7"
    & skf18("5","7","6","4","8","5","1") = "7"
    & skf18("5","7","6","4","8","6","1") = "7"
    & skf18("5","7","6","4","8","7","1") = "7"
    & skf18("5","7","6","4","8","8","1") = "7"
    & skf18("5","7","6","4","8","9","1") = "8"
    & skf18("5","7","6","4","8","10","1") = "9"
    & skf18("5","7","6","4","9","1","1") = "8"
    & skf18("5","7","6","4","9","2","1") = "8"
    & skf18("5","7","6","4","9","3","1") = "8"
    & skf18("5","7","6","4","9","4","1") = "8"
    & skf18("5","7","6","4","9","5","1") = "8"
    & skf18("5","7","6","4","9","6","1") = "8"
    & skf18("5","7","6","4","9","7","1") = "8"
    & skf18("5","7","6","4","9","8","1") = "8"
    & skf18("5","7","6","4","9","9","1") = "8"
    & skf18("5","7","6","4","9","10","1") = "9"
    & skf18("5","7","6","4","10","1","1") = "9"
    & skf18("5","7","6","4","10","2","1") = "9"
    & skf18("5","7","6","4","10","3","1") = "9"
    & skf18("5","7","6","4","10","4","1") = "9"
    & skf18("5","7","6","4","10","5","1") = "9"
    & skf18("5","7","6","4","10","6","1") = "9"
    & skf18("5","7","6","4","10","7","1") = "9"
    & skf18("5","7","6","4","10","8","1") = "9"
    & skf18("5","7","6","4","10","9","1") = "9"
    & skf18("5","7","6","4","10","10","1") = "9"
    & skf18("5","7","6","5","1","1","1") = "6"
    & skf18("5","7","6","5","1","2","1") = "6"
    & skf18("5","7","6","5","1","3","1") = "6"
    & skf18("5","7","6","5","1","4","1") = "6"
    & skf18("5","7","6","5","1","5","1") = "6"
    & skf18("5","7","6","5","1","6","1") = "6"
    & skf18("5","7","6","5","1","7","1") = "6"
    & skf18("5","7","6","5","1","8","1") = "7"
    & skf18("5","7","6","5","1","9","1") = "8"
    & skf18("5","7","6","5","1","10","1") = "9"
    & skf18("5","7","6","5","2","1","1") = "6"
    & skf18("5","7","6","5","2","2","1") = "6"
    & skf18("5","7","6","5","2","3","1") = "6"
    & skf18("5","7","6","5","2","4","1") = "6"
    & skf18("5","7","6","5","2","5","1") = "6"
    & skf18("5","7","6","5","2","6","1") = "6"
    & skf18("5","7","6","5","2","7","1") = "6"
    & skf18("5","7","6","5","2","8","1") = "7"
    & skf18("5","7","6","5","2","9","1") = "8"
    & skf18("5","7","6","5","2","10","1") = "9"
    & skf18("5","7","6","5","3","1","1") = "6"
    & skf18("5","7","6","5","3","2","1") = "6"
    & skf18("5","7","6","5","3","3","1") = "6"
    & skf18("5","7","6","5","3","4","1") = "6"
    & skf18("5","7","6","5","3","5","1") = "6"
    & skf18("5","7","6","5","3","6","1") = "6"
    & skf18("5","7","6","5","3","7","1") = "6"
    & skf18("5","7","6","5","3","8","1") = "7"
    & skf18("5","7","6","5","3","9","1") = "8"
    & skf18("5","7","6","5","3","10","1") = "9"
    & skf18("5","7","6","5","4","1","1") = "6"
    & skf18("5","7","6","5","4","2","1") = "6"
    & skf18("5","7","6","5","4","3","1") = "6"
    & skf18("5","7","6","5","4","4","1") = "6"
    & skf18("5","7","6","5","4","5","1") = "6"
    & skf18("5","7","6","5","4","6","1") = "6"
    & skf18("5","7","6","5","4","7","1") = "6"
    & skf18("5","7","6","5","4","8","1") = "7"
    & skf18("5","7","6","5","4","9","1") = "8"
    & skf18("5","7","6","5","4","10","1") = "9"
    & skf18("5","7","6","5","5","1","1") = "6"
    & skf18("5","7","6","5","5","2","1") = "6"
    & skf18("5","7","6","5","5","3","1") = "6"
    & skf18("5","7","6","5","5","4","1") = "6"
    & skf18("5","7","6","5","5","5","1") = "6"
    & skf18("5","7","6","5","5","6","1") = "6"
    & skf18("5","7","6","5","5","7","1") = "6"
    & skf18("5","7","6","5","5","8","1") = "7"
    & skf18("5","7","6","5","5","9","1") = "8"
    & skf18("5","7","6","5","5","10","1") = "9"
    & skf18("5","7","6","5","6","1","1") = "6"
    & skf18("5","7","6","5","6","2","1") = "6"
    & skf18("5","7","6","5","6","3","1") = "6"
    & skf18("5","7","6","5","6","4","1") = "6"
    & skf18("5","7","6","5","6","5","1") = "6"
    & skf18("5","7","6","5","6","6","1") = "6"
    & skf18("5","7","6","5","6","7","1") = "6"
    & skf18("5","7","6","5","6","8","1") = "7"
    & skf18("5","7","6","5","6","9","1") = "8"
    & skf18("5","7","6","5","6","10","1") = "9"
    & skf18("5","7","6","5","7","1","1") = "6"
    & skf18("5","7","6","5","7","2","1") = "6"
    & skf18("5","7","6","5","7","3","1") = "6"
    & skf18("5","7","6","5","7","4","1") = "6"
    & skf18("5","7","6","5","7","5","1") = "6"
    & skf18("5","7","6","5","7","6","1") = "6"
    & skf18("5","7","6","5","7","7","1") = "6"
    & skf18("5","7","6","5","7","8","1") = "7"
    & skf18("5","7","6","5","7","9","1") = "8"
    & skf18("5","7","6","5","7","10","1") = "9"
    & skf18("5","7","6","5","8","1","1") = "7"
    & skf18("5","7","6","5","8","2","1") = "7"
    & skf18("5","7","6","5","8","3","1") = "7"
    & skf18("5","7","6","5","8","4","1") = "7"
    & skf18("5","7","6","5","8","5","1") = "7"
    & skf18("5","7","6","5","8","6","1") = "7"
    & skf18("5","7","6","5","8","7","1") = "7"
    & skf18("5","7","6","5","8","8","1") = "7"
    & skf18("5","7","6","5","8","9","1") = "8"
    & skf18("5","7","6","5","8","10","1") = "9"
    & skf18("5","7","6","5","9","1","1") = "8"
    & skf18("5","7","6","5","9","2","1") = "8"
    & skf18("5","7","6","5","9","3","1") = "8"
    & skf18("5","7","6","5","9","4","1") = "8"
    & skf18("5","7","6","5","9","5","1") = "8"
    & skf18("5","7","6","5","9","6","1") = "8"
    & skf18("5","7","6","5","9","7","1") = "8"
    & skf18("5","7","6","5","9","8","1") = "8"
    & skf18("5","7","6","5","9","9","1") = "8"
    & skf18("5","7","6","5","9","10","1") = "9"
    & skf18("5","7","6","5","10","1","1") = "9"
    & skf18("5","7","6","5","10","2","1") = "9"
    & skf18("5","7","6","5","10","3","1") = "9"
    & skf18("5","7","6","5","10","4","1") = "9"
    & skf18("5","7","6","5","10","5","1") = "9"
    & skf18("5","7","6","5","10","6","1") = "9"
    & skf18("5","7","6","5","10","7","1") = "9"
    & skf18("5","7","6","5","10","8","1") = "9"
    & skf18("5","7","6","5","10","9","1") = "9"
    & skf18("5","7","6","5","10","10","1") = "9"
    & skf18("5","7","6","6","1","1","1") = "6"
    & skf18("5","7","6","6","1","2","1") = "6"
    & skf18("5","7","6","6","1","3","1") = "6"
    & skf18("5","7","6","6","1","4","1") = "6"
    & skf18("5","7","6","6","1","5","1") = "6"
    & skf18("5","7","6","6","1","6","1") = "6"
    & skf18("5","7","6","6","1","7","1") = "6"
    & skf18("5","7","6","6","1","8","1") = "7"
    & skf18("5","7","6","6","1","9","1") = "8"
    & skf18("5","7","6","6","1","10","1") = "9"
    & skf18("5","7","6","6","2","1","1") = "6"
    & skf18("5","7","6","6","2","2","1") = "6"
    & skf18("5","7","6","6","2","3","1") = "6"
    & skf18("5","7","6","6","2","4","1") = "6"
    & skf18("5","7","6","6","2","5","1") = "6"
    & skf18("5","7","6","6","2","6","1") = "6"
    & skf18("5","7","6","6","2","7","1") = "6"
    & skf18("5","7","6","6","2","8","1") = "7"
    & skf18("5","7","6","6","2","9","1") = "8"
    & skf18("5","7","6","6","2","10","1") = "9"
    & skf18("5","7","6","6","3","1","1") = "6"
    & skf18("5","7","6","6","3","2","1") = "6"
    & skf18("5","7","6","6","3","3","1") = "6"
    & skf18("5","7","6","6","3","4","1") = "6"
    & skf18("5","7","6","6","3","5","1") = "6"
    & skf18("5","7","6","6","3","6","1") = "6"
    & skf18("5","7","6","6","3","7","1") = "6"
    & skf18("5","7","6","6","3","8","1") = "7"
    & skf18("5","7","6","6","3","9","1") = "8"
    & skf18("5","7","6","6","3","10","1") = "9"
    & skf18("5","7","6","6","4","1","1") = "6"
    & skf18("5","7","6","6","4","2","1") = "6"
    & skf18("5","7","6","6","4","3","1") = "6"
    & skf18("5","7","6","6","4","4","1") = "6"
    & skf18("5","7","6","6","4","5","1") = "6"
    & skf18("5","7","6","6","4","6","1") = "6"
    & skf18("5","7","6","6","4","7","1") = "6"
    & skf18("5","7","6","6","4","8","1") = "7"
    & skf18("5","7","6","6","4","9","1") = "8"
    & skf18("5","7","6","6","4","10","1") = "9"
    & skf18("5","7","6","6","5","1","1") = "6"
    & skf18("5","7","6","6","5","2","1") = "6"
    & skf18("5","7","6","6","5","3","1") = "6"
    & skf18("5","7","6","6","5","4","1") = "6"
    & skf18("5","7","6","6","5","5","1") = "6"
    & skf18("5","7","6","6","5","6","1") = "6"
    & skf18("5","7","6","6","5","7","1") = "6"
    & skf18("5","7","6","6","5","8","1") = "7"
    & skf18("5","7","6","6","5","9","1") = "8"
    & skf18("5","7","6","6","5","10","1") = "9"
    & skf18("5","7","6","6","6","1","1") = "6"
    & skf18("5","7","6","6","6","2","1") = "6"
    & skf18("5","7","6","6","6","3","1") = "6"
    & skf18("5","7","6","6","6","4","1") = "6"
    & skf18("5","7","6","6","6","5","1") = "6"
    & skf18("5","7","6","6","6","6","1") = "6"
    & skf18("5","7","6","6","6","7","1") = "6"
    & skf18("5","7","6","6","6","8","1") = "7"
    & skf18("5","7","6","6","6","9","1") = "8"
    & skf18("5","7","6","6","6","10","1") = "9"
    & skf18("5","7","6","6","7","1","1") = "6"
    & skf18("5","7","6","6","7","2","1") = "6"
    & skf18("5","7","6","6","7","3","1") = "6"
    & skf18("5","7","6","6","7","4","1") = "6"
    & skf18("5","7","6","6","7","5","1") = "6"
    & skf18("5","7","6","6","7","6","1") = "6"
    & skf18("5","7","6","6","7","7","1") = "6"
    & skf18("5","7","6","6","7","8","1") = "7"
    & skf18("5","7","6","6","7","9","1") = "8"
    & skf18("5","7","6","6","7","10","1") = "9"
    & skf18("5","7","6","6","8","1","1") = "7"
    & skf18("5","7","6","6","8","2","1") = "7"
    & skf18("5","7","6","6","8","3","1") = "7"
    & skf18("5","7","6","6","8","4","1") = "7"
    & skf18("5","7","6","6","8","5","1") = "7"
    & skf18("5","7","6","6","8","6","1") = "7"
    & skf18("5","7","6","6","8","7","1") = "7"
    & skf18("5","7","6","6","8","8","1") = "7"
    & skf18("5","7","6","6","8","9","1") = "8"
    & skf18("5","7","6","6","8","10","1") = "9"
    & skf18("5","7","6","6","9","1","1") = "8"
    & skf18("5","7","6","6","9","2","1") = "8"
    & skf18("5","7","6","6","9","3","1") = "8"
    & skf18("5","7","6","6","9","4","1") = "8"
    & skf18("5","7","6","6","9","5","1") = "8"
    & skf18("5","7","6","6","9","6","1") = "8"
    & skf18("5","7","6","6","9","7","1") = "8"
    & skf18("5","7","6","6","9","8","1") = "8"
    & skf18("5","7","6","6","9","9","1") = "8"
    & skf18("5","7","6","6","9","10","1") = "9"
    & skf18("5","7","6","6","10","1","1") = "9"
    & skf18("5","7","6","6","10","2","1") = "9"
    & skf18("5","7","6","6","10","3","1") = "9"
    & skf18("5","7","6","6","10","4","1") = "9"
    & skf18("5","7","6","6","10","5","1") = "9"
    & skf18("5","7","6","6","10","6","1") = "9"
    & skf18("5","7","6","6","10","7","1") = "9"
    & skf18("5","7","6","6","10","8","1") = "9"
    & skf18("5","7","6","6","10","9","1") = "9"
    & skf18("5","7","6","6","10","10","1") = "9"
    & skf18("5","7","6","7","1","1","1") = "6"
    & skf18("5","7","6","7","1","2","1") = "6"
    & skf18("5","7","6","7","1","3","1") = "6"
    & skf18("5","7","6","7","1","4","1") = "6"
    & skf18("5","7","6","7","1","5","1") = "6"
    & skf18("5","7","6","7","1","6","1") = "6"
    & skf18("5","7","6","7","1","7","1") = "6"
    & skf18("5","7","6","7","1","8","1") = "7"
    & skf18("5","7","6","7","1","9","1") = "8"
    & skf18("5","7","6","7","1","10","1") = "9"
    & skf18("5","7","6","7","2","1","1") = "6"
    & skf18("5","7","6","7","2","2","1") = "6"
    & skf18("5","7","6","7","2","3","1") = "6"
    & skf18("5","7","6","7","2","4","1") = "6"
    & skf18("5","7","6","7","2","5","1") = "6"
    & skf18("5","7","6","7","2","6","1") = "6"
    & skf18("5","7","6","7","2","7","1") = "6"
    & skf18("5","7","6","7","2","8","1") = "7"
    & skf18("5","7","6","7","2","9","1") = "8"
    & skf18("5","7","6","7","2","10","1") = "9"
    & skf18("5","7","6","7","3","1","1") = "6"
    & skf18("5","7","6","7","3","2","1") = "6"
    & skf18("5","7","6","7","3","3","1") = "6"
    & skf18("5","7","6","7","3","4","1") = "6"
    & skf18("5","7","6","7","3","5","1") = "6"
    & skf18("5","7","6","7","3","6","1") = "6"
    & skf18("5","7","6","7","3","7","1") = "6"
    & skf18("5","7","6","7","3","8","1") = "7"
    & skf18("5","7","6","7","3","9","1") = "8"
    & skf18("5","7","6","7","3","10","1") = "9"
    & skf18("5","7","6","7","4","1","1") = "6"
    & skf18("5","7","6","7","4","2","1") = "6"
    & skf18("5","7","6","7","4","3","1") = "6"
    & skf18("5","7","6","7","4","4","1") = "6"
    & skf18("5","7","6","7","4","5","1") = "6"
    & skf18("5","7","6","7","4","6","1") = "6"
    & skf18("5","7","6","7","4","7","1") = "6"
    & skf18("5","7","6","7","4","8","1") = "7"
    & skf18("5","7","6","7","4","9","1") = "8"
    & skf18("5","7","6","7","4","10","1") = "9"
    & skf18("5","7","6","7","5","1","1") = "6"
    & skf18("5","7","6","7","5","2","1") = "6"
    & skf18("5","7","6","7","5","3","1") = "6"
    & skf18("5","7","6","7","5","4","1") = "6"
    & skf18("5","7","6","7","5","5","1") = "6"
    & skf18("5","7","6","7","5","6","1") = "6"
    & skf18("5","7","6","7","5","7","1") = "6"
    & skf18("5","7","6","7","5","8","1") = "7"
    & skf18("5","7","6","7","5","9","1") = "8"
    & skf18("5","7","6","7","5","10","1") = "9"
    & skf18("5","7","6","7","6","1","1") = "6"
    & skf18("5","7","6","7","6","2","1") = "6"
    & skf18("5","7","6","7","6","3","1") = "6"
    & skf18("5","7","6","7","6","4","1") = "6"
    & skf18("5","7","6","7","6","5","1") = "6"
    & skf18("5","7","6","7","6","6","1") = "6"
    & skf18("5","7","6","7","6","7","1") = "6"
    & skf18("5","7","6","7","6","8","1") = "7"
    & skf18("5","7","6","7","6","9","1") = "8"
    & skf18("5","7","6","7","6","10","1") = "9"
    & skf18("5","7","6","7","7","1","1") = "6"
    & skf18("5","7","6","7","7","2","1") = "6"
    & skf18("5","7","6","7","7","3","1") = "6"
    & skf18("5","7","6","7","7","4","1") = "6"
    & skf18("5","7","6","7","7","5","1") = "6"
    & skf18("5","7","6","7","7","6","1") = "6"
    & skf18("5","7","6","7","7","7","1") = "6"
    & skf18("5","7","6","7","7","8","1") = "7"
    & skf18("5","7","6","7","7","9","1") = "8"
    & skf18("5","7","6","7","7","10","1") = "9"
    & skf18("5","7","6","7","8","1","1") = "7"
    & skf18("5","7","6","7","8","2","1") = "7"
    & skf18("5","7","6","7","8","3","1") = "7"
    & skf18("5","7","6","7","8","4","1") = "7"
    & skf18("5","7","6","7","8","5","1") = "7"
    & skf18("5","7","6","7","8","6","1") = "7"
    & skf18("5","7","6","7","8","7","1") = "7"
    & skf18("5","7","6","7","8","8","1") = "7"
    & skf18("5","7","6","7","8","9","1") = "8"
    & skf18("5","7","6","7","8","10","1") = "9"
    & skf18("5","7","6","7","9","1","1") = "8"
    & skf18("5","7","6","7","9","2","1") = "8"
    & skf18("5","7","6","7","9","3","1") = "8"
    & skf18("5","7","6","7","9","4","1") = "8"
    & skf18("5","7","6","7","9","5","1") = "8"
    & skf18("5","7","6","7","9","6","1") = "8"
    & skf18("5","7","6","7","9","7","1") = "8"
    & skf18("5","7","6","7","9","8","1") = "8"
    & skf18("5","7","6","7","9","9","1") = "8"
    & skf18("5","7","6","7","9","10","1") = "9"
    & skf18("5","7","6","7","10","1","1") = "9"
    & skf18("5","7","6","7","10","2","1") = "9"
    & skf18("5","7","6","7","10","3","1") = "9"
    & skf18("5","7","6","7","10","4","1") = "9"
    & skf18("5","7","6","7","10","5","1") = "9"
    & skf18("5","7","6","7","10","6","1") = "9"
    & skf18("5","7","6","7","10","7","1") = "9"
    & skf18("5","7","6","7","10","8","1") = "9"
    & skf18("5","7","6","7","10","9","1") = "9"
    & skf18("5","7","6","7","10","10","1") = "9"
    & skf18("5","7","6","8","1","1","1") = "7"
    & skf18("5","7","6","8","1","2","1") = "7"
    & skf18("5","7","6","8","1","3","1") = "7"
    & skf18("5","7","6","8","1","4","1") = "7"
    & skf18("5","7","6","8","1","5","1") = "7"
    & skf18("5","7","6","8","1","6","1") = "7"
    & skf18("5","7","6","8","1","7","1") = "7"
    & skf18("5","7","6","8","1","8","1") = "7"
    & skf18("5","7","6","8","1","9","1") = "8"
    & skf18("5","7","6","8","1","10","1") = "9"
    & skf18("5","7","6","8","2","1","1") = "7"
    & skf18("5","7","6","8","2","2","1") = "7"
    & skf18("5","7","6","8","2","3","1") = "7"
    & skf18("5","7","6","8","2","4","1") = "7"
    & skf18("5","7","6","8","2","5","1") = "7"
    & skf18("5","7","6","8","2","6","1") = "7"
    & skf18("5","7","6","8","2","7","1") = "7"
    & skf18("5","7","6","8","2","8","1") = "7"
    & skf18("5","7","6","8","2","9","1") = "8"
    & skf18("5","7","6","8","2","10","1") = "9"
    & skf18("5","7","6","8","3","1","1") = "7"
    & skf18("5","7","6","8","3","2","1") = "7"
    & skf18("5","7","6","8","3","3","1") = "7"
    & skf18("5","7","6","8","3","4","1") = "7"
    & skf18("5","7","6","8","3","5","1") = "7"
    & skf18("5","7","6","8","3","6","1") = "7"
    & skf18("5","7","6","8","3","7","1") = "7"
    & skf18("5","7","6","8","3","8","1") = "7"
    & skf18("5","7","6","8","3","9","1") = "8"
    & skf18("5","7","6","8","3","10","1") = "9"
    & skf18("5","7","6","8","4","1","1") = "7"
    & skf18("5","7","6","8","4","2","1") = "7"
    & skf18("5","7","6","8","4","3","1") = "7"
    & skf18("5","7","6","8","4","4","1") = "7"
    & skf18("5","7","6","8","4","5","1") = "7"
    & skf18("5","7","6","8","4","6","1") = "7"
    & skf18("5","7","6","8","4","7","1") = "7"
    & skf18("5","7","6","8","4","8","1") = "7"
    & skf18("5","7","6","8","4","9","1") = "8"
    & skf18("5","7","6","8","4","10","1") = "9"
    & skf18("5","7","6","8","5","1","1") = "7"
    & skf18("5","7","6","8","5","2","1") = "7"
    & skf18("5","7","6","8","5","3","1") = "7"
    & skf18("5","7","6","8","5","4","1") = "7"
    & skf18("5","7","6","8","5","5","1") = "7"
    & skf18("5","7","6","8","5","6","1") = "7"
    & skf18("5","7","6","8","5","7","1") = "7"
    & skf18("5","7","6","8","5","8","1") = "7"
    & skf18("5","7","6","8","5","9","1") = "8"
    & skf18("5","7","6","8","5","10","1") = "9"
    & skf18("5","7","6","8","6","1","1") = "7"
    & skf18("5","7","6","8","6","2","1") = "7"
    & skf18("5","7","6","8","6","3","1") = "7"
    & skf18("5","7","6","8","6","4","1") = "7"
    & skf18("5","7","6","8","6","5","1") = "7"
    & skf18("5","7","6","8","6","6","1") = "7"
    & skf18("5","7","6","8","6","7","1") = "7"
    & skf18("5","7","6","8","6","8","1") = "7"
    & skf18("5","7","6","8","6","9","1") = "8"
    & skf18("5","7","6","8","6","10","1") = "9"
    & skf18("5","7","6","8","7","1","1") = "7"
    & skf18("5","7","6","8","7","2","1") = "7"
    & skf18("5","7","6","8","7","3","1") = "7"
    & skf18("5","7","6","8","7","4","1") = "7"
    & skf18("5","7","6","8","7","5","1") = "7"
    & skf18("5","7","6","8","7","6","1") = "7"
    & skf18("5","7","6","8","7","7","1") = "7"
    & skf18("5","7","6","8","7","8","1") = "7"
    & skf18("5","7","6","8","7","9","1") = "8"
    & skf18("5","7","6","8","7","10","1") = "9"
    & skf18("5","7","6","8","8","1","1") = "7"
    & skf18("5","7","6","8","8","2","1") = "7"
    & skf18("5","7","6","8","8","3","1") = "7"
    & skf18("5","7","6","8","8","4","1") = "7"
    & skf18("5","7","6","8","8","5","1") = "7"
    & skf18("5","7","6","8","8","6","1") = "7"
    & skf18("5","7","6","8","8","7","1") = "7"
    & skf18("5","7","6","8","8","8","1") = "7"
    & skf18("5","7","6","8","8","9","1") = "8"
    & skf18("5","7","6","8","8","10","1") = "9"
    & skf18("5","7","6","8","9","1","1") = "8"
    & skf18("5","7","6","8","9","2","1") = "8"
    & skf18("5","7","6","8","9","3","1") = "8"
    & skf18("5","7","6","8","9","4","1") = "8"
    & skf18("5","7","6","8","9","5","1") = "8"
    & skf18("5","7","6","8","9","6","1") = "8"
    & skf18("5","7","6","8","9","7","1") = "8"
    & skf18("5","7","6","8","9","8","1") = "8"
    & skf18("5","7","6","8","9","9","1") = "8"
    & skf18("5","7","6","8","9","10","1") = "9"
    & skf18("5","7","6","8","10","1","1") = "9"
    & skf18("5","7","6","8","10","2","1") = "9"
    & skf18("5","7","6","8","10","3","1") = "9"
    & skf18("5","7","6","8","10","4","1") = "9"
    & skf18("5","7","6","8","10","5","1") = "9"
    & skf18("5","7","6","8","10","6","1") = "9"
    & skf18("5","7","6","8","10","7","1") = "9"
    & skf18("5","7","6","8","10","8","1") = "9"
    & skf18("5","7","6","8","10","9","1") = "9"
    & skf18("5","7","6","8","10","10","1") = "9"
    & skf18("5","7","6","9","1","1","1") = "8"
    & skf18("5","7","6","9","1","2","1") = "8"
    & skf18("5","7","6","9","1","3","1") = "8"
    & skf18("5","7","6","9","1","4","1") = "8"
    & skf18("5","7","6","9","1","5","1") = "8"
    & skf18("5","7","6","9","1","6","1") = "8"
    & skf18("5","7","6","9","1","7","1") = "8"
    & skf18("5","7","6","9","1","8","1") = "8"
    & skf18("5","7","6","9","1","9","1") = "8"
    & skf18("5","7","6","9","1","10","1") = "9"
    & skf18("5","7","6","9","2","1","1") = "8"
    & skf18("5","7","6","9","2","2","1") = "8"
    & skf18("5","7","6","9","2","3","1") = "8"
    & skf18("5","7","6","9","2","4","1") = "8"
    & skf18("5","7","6","9","2","5","1") = "8"
    & skf18("5","7","6","9","2","6","1") = "8"
    & skf18("5","7","6","9","2","7","1") = "8"
    & skf18("5","7","6","9","2","8","1") = "8"
    & skf18("5","7","6","9","2","9","1") = "8"
    & skf18("5","7","6","9","2","10","1") = "9"
    & skf18("5","7","6","9","3","1","1") = "8"
    & skf18("5","7","6","9","3","2","1") = "8"
    & skf18("5","7","6","9","3","3","1") = "8"
    & skf18("5","7","6","9","3","4","1") = "8"
    & skf18("5","7","6","9","3","5","1") = "8"
    & skf18("5","7","6","9","3","6","1") = "8"
    & skf18("5","7","6","9","3","7","1") = "8"
    & skf18("5","7","6","9","3","8","1") = "8"
    & skf18("5","7","6","9","3","9","1") = "8"
    & skf18("5","7","6","9","3","10","1") = "9"
    & skf18("5","7","6","9","4","1","1") = "8"
    & skf18("5","7","6","9","4","2","1") = "8"
    & skf18("5","7","6","9","4","3","1") = "8"
    & skf18("5","7","6","9","4","4","1") = "8"
    & skf18("5","7","6","9","4","5","1") = "8"
    & skf18("5","7","6","9","4","6","1") = "8"
    & skf18("5","7","6","9","4","7","1") = "8"
    & skf18("5","7","6","9","4","8","1") = "8"
    & skf18("5","7","6","9","4","9","1") = "8"
    & skf18("5","7","6","9","4","10","1") = "9"
    & skf18("5","7","6","9","5","1","1") = "8"
    & skf18("5","7","6","9","5","2","1") = "8"
    & skf18("5","7","6","9","5","3","1") = "8"
    & skf18("5","7","6","9","5","4","1") = "8"
    & skf18("5","7","6","9","5","5","1") = "8"
    & skf18("5","7","6","9","5","6","1") = "8"
    & skf18("5","7","6","9","5","7","1") = "8"
    & skf18("5","7","6","9","5","8","1") = "8"
    & skf18("5","7","6","9","5","9","1") = "8"
    & skf18("5","7","6","9","5","10","1") = "9"
    & skf18("5","7","6","9","6","1","1") = "8"
    & skf18("5","7","6","9","6","2","1") = "8"
    & skf18("5","7","6","9","6","3","1") = "8"
    & skf18("5","7","6","9","6","4","1") = "8"
    & skf18("5","7","6","9","6","5","1") = "8"
    & skf18("5","7","6","9","6","6","1") = "8"
    & skf18("5","7","6","9","6","7","1") = "8"
    & skf18("5","7","6","9","6","8","1") = "8"
    & skf18("5","7","6","9","6","9","1") = "8"
    & skf18("5","7","6","9","6","10","1") = "9"
    & skf18("5","7","6","9","7","1","1") = "8"
    & skf18("5","7","6","9","7","2","1") = "8"
    & skf18("5","7","6","9","7","3","1") = "8"
    & skf18("5","7","6","9","7","4","1") = "8"
    & skf18("5","7","6","9","7","5","1") = "8"
    & skf18("5","7","6","9","7","6","1") = "8"
    & skf18("5","7","6","9","7","7","1") = "8"
    & skf18("5","7","6","9","7","8","1") = "8"
    & skf18("5","7","6","9","7","9","1") = "8"
    & skf18("5","7","6","9","7","10","1") = "9"
    & skf18("5","7","6","9","8","1","1") = "8"
    & skf18("5","7","6","9","8","2","1") = "8"
    & skf18("5","7","6","9","8","3","1") = "8"
    & skf18("5","7","6","9","8","4","1") = "8"
    & skf18("5","7","6","9","8","5","1") = "8"
    & skf18("5","7","6","9","8","6","1") = "8"
    & skf18("5","7","6","9","8","7","1") = "8"
    & skf18("5","7","6","9","8","8","1") = "8"
    & skf18("5","7","6","9","8","9","1") = "8"
    & skf18("5","7","6","9","8","10","1") = "9"
    & skf18("5","7","6","9","9","1","1") = "8"
    & skf18("5","7","6","9","9","2","1") = "8"
    & skf18("5","7","6","9","9","3","1") = "8"
    & skf18("5","7","6","9","9","4","1") = "8"
    & skf18("5","7","6","9","9","5","1") = "8"
    & skf18("5","7","6","9","9","6","1") = "8"
    & skf18("5","7","6","9","9","7","1") = "8"
    & skf18("5","7","6","9","9","8","1") = "8"
    & skf18("5","7","6","9","9","9","1") = "8"
    & skf18("5","7","6","9","9","10","1") = "9"
    & skf18("5","7","6","9","10","1","1") = "9"
    & skf18("5","7","6","9","10","2","1") = "9"
    & skf18("5","7","6","9","10","3","1") = "9"
    & skf18("5","7","6","9","10","4","1") = "9"
    & skf18("5","7","6","9","10","5","1") = "9"
    & skf18("5","7","6","9","10","6","1") = "9"
    & skf18("5","7","6","9","10","7","1") = "9"
    & skf18("5","7","6","9","10","8","1") = "9"
    & skf18("5","7","6","9","10","9","1") = "9"
    & skf18("5","7","6","9","10","10","1") = "9"
    & skf18("5","7","6","10","1","1","1") = "9"
    & skf18("5","7","6","10","1","2","1") = "9"
    & skf18("5","7","6","10","1","3","1") = "9"
    & skf18("5","7","6","10","1","4","1") = "9"
    & skf18("5","7","6","10","1","5","1") = "9"
    & skf18("5","7","6","10","1","6","1") = "9"
    & skf18("5","7","6","10","1","7","1") = "9"
    & skf18("5","7","6","10","1","8","1") = "9"
    & skf18("5","7","6","10","1","9","1") = "9"
    & skf18("5","7","6","10","1","10","1") = "9"
    & skf18("5","7","6","10","2","1","1") = "9"
    & skf18("5","7","6","10","2","2","1") = "9"
    & skf18("5","7","6","10","2","3","1") = "9"
    & skf18("5","7","6","10","2","4","1") = "9"
    & skf18("5","7","6","10","2","5","1") = "9"
    & skf18("5","7","6","10","2","6","1") = "9"
    & skf18("5","7","6","10","2","7","1") = "9"
    & skf18("5","7","6","10","2","8","1") = "9"
    & skf18("5","7","6","10","2","9","1") = "9"
    & skf18("5","7","6","10","2","10","1") = "9"
    & skf18("5","7","6","10","3","1","1") = "9"
    & skf18("5","7","6","10","3","2","1") = "9"
    & skf18("5","7","6","10","3","3","1") = "9"
    & skf18("5","7","6","10","3","4","1") = "9"
    & skf18("5","7","6","10","3","5","1") = "9"
    & skf18("5","7","6","10","3","6","1") = "9"
    & skf18("5","7","6","10","3","7","1") = "9"
    & skf18("5","7","6","10","3","8","1") = "9"
    & skf18("5","7","6","10","3","9","1") = "9"
    & skf18("5","7","6","10","3","10","1") = "9"
    & skf18("5","7","6","10","4","1","1") = "9"
    & skf18("5","7","6","10","4","2","1") = "9"
    & skf18("5","7","6","10","4","3","1") = "9"
    & skf18("5","7","6","10","4","4","1") = "9"
    & skf18("5","7","6","10","4","5","1") = "9"
    & skf18("5","7","6","10","4","6","1") = "9"
    & skf18("5","7","6","10","4","7","1") = "9"
    & skf18("5","7","6","10","4","8","1") = "9"
    & skf18("5","7","6","10","4","9","1") = "9"
    & skf18("5","7","6","10","4","10","1") = "9"
    & skf18("5","7","6","10","5","1","1") = "9"
    & skf18("5","7","6","10","5","2","1") = "9"
    & skf18("5","7","6","10","5","3","1") = "9"
    & skf18("5","7","6","10","5","4","1") = "9"
    & skf18("5","7","6","10","5","5","1") = "9"
    & skf18("5","7","6","10","5","6","1") = "9"
    & skf18("5","7","6","10","5","7","1") = "9"
    & skf18("5","7","6","10","5","8","1") = "9"
    & skf18("5","7","6","10","5","9","1") = "9"
    & skf18("5","7","6","10","5","10","1") = "9"
    & skf18("5","7","6","10","6","1","1") = "9"
    & skf18("5","7","6","10","6","2","1") = "9"
    & skf18("5","7","6","10","6","3","1") = "9"
    & skf18("5","7","6","10","6","4","1") = "9"
    & skf18("5","7","6","10","6","5","1") = "9"
    & skf18("5","7","6","10","6","6","1") = "9"
    & skf18("5","7","6","10","6","7","1") = "9"
    & skf18("5","7","6","10","6","8","1") = "9"
    & skf18("5","7","6","10","6","9","1") = "9"
    & skf18("5","7","6","10","6","10","1") = "9"
    & skf18("5","7","6","10","7","1","1") = "9"
    & skf18("5","7","6","10","7","2","1") = "9"
    & skf18("5","7","6","10","7","3","1") = "9"
    & skf18("5","7","6","10","7","4","1") = "9"
    & skf18("5","7","6","10","7","5","1") = "9"
    & skf18("5","7","6","10","7","6","1") = "9"
    & skf18("5","7","6","10","7","7","1") = "9"
    & skf18("5","7","6","10","7","8","1") = "9"
    & skf18("5","7","6","10","7","9","1") = "9"
    & skf18("5","7","6","10","7","10","1") = "9"
    & skf18("5","7","6","10","8","1","1") = "9"
    & skf18("5","7","6","10","8","2","1") = "9"
    & skf18("5","7","6","10","8","3","1") = "9"
    & skf18("5","7","6","10","8","4","1") = "9"
    & skf18("5","7","6","10","8","5","1") = "9"
    & skf18("5","7","6","10","8","6","1") = "9"
    & skf18("5","7","6","10","8","7","1") = "9"
    & skf18("5","7","6","10","8","8","1") = "9"
    & skf18("5","7","6","10","8","9","1") = "9"
    & skf18("5","7","6","10","8","10","1") = "9"
    & skf18("5","7","6","10","9","1","1") = "9"
    & skf18("5","7","6","10","9","2","1") = "9"
    & skf18("5","7","6","10","9","3","1") = "9"
    & skf18("5","7","6","10","9","4","1") = "9"
    & skf18("5","7","6","10","9","5","1") = "9"
    & skf18("5","7","6","10","9","6","1") = "9"
    & skf18("5","7","6","10","9","7","1") = "9"
    & skf18("5","7","6","10","9","8","1") = "9"
    & skf18("5","7","6","10","9","9","1") = "9"
    & skf18("5","7","6","10","9","10","1") = "9"
    & skf18("5","7","6","10","10","1","1") = "9"
    & skf18("5","7","6","10","10","2","1") = "9"
    & skf18("5","7","6","10","10","3","1") = "9"
    & skf18("5","7","6","10","10","4","1") = "9"
    & skf18("5","7","6","10","10","5","1") = "9"
    & skf18("5","7","6","10","10","6","1") = "9"
    & skf18("5","7","6","10","10","7","1") = "9"
    & skf18("5","7","6","10","10","8","1") = "9"
    & skf18("5","7","6","10","10","9","1") = "9"
    & skf18("5","7","6","10","10","10","1") = "9"
    & skf18("5","7","7","1","1","1","1") = "6"
    & skf18("5","7","7","1","1","2","1") = "6"
    & skf18("5","7","7","1","1","3","1") = "6"
    & skf18("5","7","7","1","1","4","1") = "6"
    & skf18("5","7","7","1","1","5","1") = "6"
    & skf18("5","7","7","1","1","6","1") = "6"
    & skf18("5","7","7","1","1","7","1") = "6"
    & skf18("5","7","7","1","1","8","1") = "7"
    & skf18("5","7","7","1","1","9","1") = "8"
    & skf18("5","7","7","1","1","10","1") = "9"
    & skf18("5","7","7","1","2","1","1") = "6"
    & skf18("5","7","7","1","2","2","1") = "6"
    & skf18("5","7","7","1","2","3","1") = "6"
    & skf18("5","7","7","1","2","4","1") = "6"
    & skf18("5","7","7","1","2","5","1") = "6"
    & skf18("5","7","7","1","2","6","1") = "6"
    & skf18("5","7","7","1","2","7","1") = "6"
    & skf18("5","7","7","1","2","8","1") = "7"
    & skf18("5","7","7","1","2","9","1") = "8"
    & skf18("5","7","7","1","2","10","1") = "9"
    & skf18("5","7","7","1","3","1","1") = "6"
    & skf18("5","7","7","1","3","2","1") = "6"
    & skf18("5","7","7","1","3","3","1") = "6"
    & skf18("5","7","7","1","3","4","1") = "6"
    & skf18("5","7","7","1","3","5","1") = "6"
    & skf18("5","7","7","1","3","6","1") = "6"
    & skf18("5","7","7","1","3","7","1") = "6"
    & skf18("5","7","7","1","3","8","1") = "7"
    & skf18("5","7","7","1","3","9","1") = "8"
    & skf18("5","7","7","1","3","10","1") = "9"
    & skf18("5","7","7","1","4","1","1") = "6"
    & skf18("5","7","7","1","4","2","1") = "6"
    & skf18("5","7","7","1","4","3","1") = "6"
    & skf18("5","7","7","1","4","4","1") = "6"
    & skf18("5","7","7","1","4","5","1") = "6"
    & skf18("5","7","7","1","4","6","1") = "6"
    & skf18("5","7","7","1","4","7","1") = "6"
    & skf18("5","7","7","1","4","8","1") = "7"
    & skf18("5","7","7","1","4","9","1") = "8"
    & skf18("5","7","7","1","4","10","1") = "9"
    & skf18("5","7","7","1","5","1","1") = "6"
    & skf18("5","7","7","1","5","2","1") = "6"
    & skf18("5","7","7","1","5","3","1") = "6"
    & skf18("5","7","7","1","5","4","1") = "6"
    & skf18("5","7","7","1","5","5","1") = "6"
    & skf18("5","7","7","1","5","6","1") = "6"
    & skf18("5","7","7","1","5","7","1") = "6"
    & skf18("5","7","7","1","5","8","1") = "7"
    & skf18("5","7","7","1","5","9","1") = "8"
    & skf18("5","7","7","1","5","10","1") = "9"
    & skf18("5","7","7","1","6","1","1") = "6"
    & skf18("5","7","7","1","6","2","1") = "6"
    & skf18("5","7","7","1","6","3","1") = "6"
    & skf18("5","7","7","1","6","4","1") = "6"
    & skf18("5","7","7","1","6","5","1") = "6"
    & skf18("5","7","7","1","6","6","1") = "6"
    & skf18("5","7","7","1","6","7","1") = "6"
    & skf18("5","7","7","1","6","8","1") = "7"
    & skf18("5","7","7","1","6","9","1") = "8"
    & skf18("5","7","7","1","6","10","1") = "9"
    & skf18("5","7","7","1","7","1","1") = "6"
    & skf18("5","7","7","1","7","2","1") = "6"
    & skf18("5","7","7","1","7","3","1") = "6"
    & skf18("5","7","7","1","7","4","1") = "6"
    & skf18("5","7","7","1","7","5","1") = "6"
    & skf18("5","7","7","1","7","6","1") = "6"
    & skf18("5","7","7","1","7","7","1") = "6"
    & skf18("5","7","7","1","7","8","1") = "7"
    & skf18("5","7","7","1","7","9","1") = "8"
    & skf18("5","7","7","1","7","10","1") = "9"
    & skf18("5","7","7","1","8","1","1") = "7"
    & skf18("5","7","7","1","8","2","1") = "7"
    & skf18("5","7","7","1","8","3","1") = "7"
    & skf18("5","7","7","1","8","4","1") = "7"
    & skf18("5","7","7","1","8","5","1") = "7"
    & skf18("5","7","7","1","8","6","1") = "7"
    & skf18("5","7","7","1","8","7","1") = "7"
    & skf18("5","7","7","1","8","8","1") = "7"
    & skf18("5","7","7","1","8","9","1") = "8"
    & skf18("5","7","7","1","8","10","1") = "9"
    & skf18("5","7","7","1","9","1","1") = "8"
    & skf18("5","7","7","1","9","2","1") = "8"
    & skf18("5","7","7","1","9","3","1") = "8"
    & skf18("5","7","7","1","9","4","1") = "8"
    & skf18("5","7","7","1","9","5","1") = "8"
    & skf18("5","7","7","1","9","6","1") = "8"
    & skf18("5","7","7","1","9","7","1") = "8"
    & skf18("5","7","7","1","9","8","1") = "8"
    & skf18("5","7","7","1","9","9","1") = "8"
    & skf18("5","7","7","1","9","10","1") = "9"
    & skf18("5","7","7","1","10","1","1") = "9"
    & skf18("5","7","7","1","10","2","1") = "9"
    & skf18("5","7","7","1","10","3","1") = "9"
    & skf18("5","7","7","1","10","4","1") = "9"
    & skf18("5","7","7","1","10","5","1") = "9"
    & skf18("5","7","7","1","10","6","1") = "9"
    & skf18("5","7","7","1","10","7","1") = "9"
    & skf18("5","7","7","1","10","8","1") = "9"
    & skf18("5","7","7","1","10","9","1") = "9"
    & skf18("5","7","7","1","10","10","1") = "9"
    & skf18("5","7","7","2","1","1","1") = "6"
    & skf18("5","7","7","2","1","2","1") = "6"
    & skf18("5","7","7","2","1","3","1") = "6"
    & skf18("5","7","7","2","1","4","1") = "6"
    & skf18("5","7","7","2","1","5","1") = "6"
    & skf18("5","7","7","2","1","6","1") = "6"
    & skf18("5","7","7","2","1","7","1") = "6"
    & skf18("5","7","7","2","1","8","1") = "7"
    & skf18("5","7","7","2","1","9","1") = "8"
    & skf18("5","7","7","2","1","10","1") = "9"
    & skf18("5","7","7","2","2","1","1") = "6"
    & skf18("5","7","7","2","2","2","1") = "6"
    & skf18("5","7","7","2","2","3","1") = "6"
    & skf18("5","7","7","2","2","4","1") = "6"
    & skf18("5","7","7","2","2","5","1") = "6"
    & skf18("5","7","7","2","2","6","1") = "6"
    & skf18("5","7","7","2","2","7","1") = "6"
    & skf18("5","7","7","2","2","8","1") = "7"
    & skf18("5","7","7","2","2","9","1") = "8"
    & skf18("5","7","7","2","2","10","1") = "9"
    & skf18("5","7","7","2","3","1","1") = "6"
    & skf18("5","7","7","2","3","2","1") = "6"
    & skf18("5","7","7","2","3","3","1") = "6"
    & skf18("5","7","7","2","3","4","1") = "6"
    & skf18("5","7","7","2","3","5","1") = "6"
    & skf18("5","7","7","2","3","6","1") = "6"
    & skf18("5","7","7","2","3","7","1") = "6"
    & skf18("5","7","7","2","3","8","1") = "7"
    & skf18("5","7","7","2","3","9","1") = "8"
    & skf18("5","7","7","2","3","10","1") = "9"
    & skf18("5","7","7","2","4","1","1") = "6"
    & skf18("5","7","7","2","4","2","1") = "6"
    & skf18("5","7","7","2","4","3","1") = "6"
    & skf18("5","7","7","2","4","4","1") = "6"
    & skf18("5","7","7","2","4","5","1") = "6"
    & skf18("5","7","7","2","4","6","1") = "6"
    & skf18("5","7","7","2","4","7","1") = "6"
    & skf18("5","7","7","2","4","8","1") = "7"
    & skf18("5","7","7","2","4","9","1") = "8"
    & skf18("5","7","7","2","4","10","1") = "9"
    & skf18("5","7","7","2","5","1","1") = "6"
    & skf18("5","7","7","2","5","2","1") = "6"
    & skf18("5","7","7","2","5","3","1") = "6"
    & skf18("5","7","7","2","5","4","1") = "6"
    & skf18("5","7","7","2","5","5","1") = "6"
    & skf18("5","7","7","2","5","6","1") = "6"
    & skf18("5","7","7","2","5","7","1") = "6"
    & skf18("5","7","7","2","5","8","1") = "7"
    & skf18("5","7","7","2","5","9","1") = "8"
    & skf18("5","7","7","2","5","10","1") = "9"
    & skf18("5","7","7","2","6","1","1") = "6"
    & skf18("5","7","7","2","6","2","1") = "6"
    & skf18("5","7","7","2","6","3","1") = "6"
    & skf18("5","7","7","2","6","4","1") = "6"
    & skf18("5","7","7","2","6","5","1") = "6"
    & skf18("5","7","7","2","6","6","1") = "6"
    & skf18("5","7","7","2","6","7","1") = "6"
    & skf18("5","7","7","2","6","8","1") = "7"
    & skf18("5","7","7","2","6","9","1") = "8"
    & skf18("5","7","7","2","6","10","1") = "9"
    & skf18("5","7","7","2","7","1","1") = "6"
    & skf18("5","7","7","2","7","2","1") = "6"
    & skf18("5","7","7","2","7","3","1") = "6"
    & skf18("5","7","7","2","7","4","1") = "6"
    & skf18("5","7","7","2","7","5","1") = "6"
    & skf18("5","7","7","2","7","6","1") = "6"
    & skf18("5","7","7","2","7","7","1") = "6"
    & skf18("5","7","7","2","7","8","1") = "7"
    & skf18("5","7","7","2","7","9","1") = "8"
    & skf18("5","7","7","2","7","10","1") = "9"
    & skf18("5","7","7","2","8","1","1") = "7"
    & skf18("5","7","7","2","8","2","1") = "7"
    & skf18("5","7","7","2","8","3","1") = "7"
    & skf18("5","7","7","2","8","4","1") = "7"
    & skf18("5","7","7","2","8","5","1") = "7"
    & skf18("5","7","7","2","8","6","1") = "7"
    & skf18("5","7","7","2","8","7","1") = "7"
    & skf18("5","7","7","2","8","8","1") = "7"
    & skf18("5","7","7","2","8","9","1") = "8"
    & skf18("5","7","7","2","8","10","1") = "9"
    & skf18("5","7","7","2","9","1","1") = "8"
    & skf18("5","7","7","2","9","2","1") = "8"
    & skf18("5","7","7","2","9","3","1") = "8"
    & skf18("5","7","7","2","9","4","1") = "8"
    & skf18("5","7","7","2","9","5","1") = "8"
    & skf18("5","7","7","2","9","6","1") = "8"
    & skf18("5","7","7","2","9","7","1") = "8"
    & skf18("5","7","7","2","9","8","1") = "8"
    & skf18("5","7","7","2","9","9","1") = "8"
    & skf18("5","7","7","2","9","10","1") = "9"
    & skf18("5","7","7","2","10","1","1") = "9"
    & skf18("5","7","7","2","10","2","1") = "9"
    & skf18("5","7","7","2","10","3","1") = "9"
    & skf18("5","7","7","2","10","4","1") = "9"
    & skf18("5","7","7","2","10","5","1") = "9"
    & skf18("5","7","7","2","10","6","1") = "9"
    & skf18("5","7","7","2","10","7","1") = "9"
    & skf18("5","7","7","2","10","8","1") = "9"
    & skf18("5","7","7","2","10","9","1") = "9"
    & skf18("5","7","7","2","10","10","1") = "9"
    & skf18("5","7","7","3","1","1","1") = "6"
    & skf18("5","7","7","3","1","2","1") = "6"
    & skf18("5","7","7","3","1","3","1") = "6"
    & skf18("5","7","7","3","1","4","1") = "6"
    & skf18("5","7","7","3","1","5","1") = "6"
    & skf18("5","7","7","3","1","6","1") = "6"
    & skf18("5","7","7","3","1","7","1") = "6"
    & skf18("5","7","7","3","1","8","1") = "7"
    & skf18("5","7","7","3","1","9","1") = "8"
    & skf18("5","7","7","3","1","10","1") = "9"
    & skf18("5","7","7","3","2","1","1") = "6"
    & skf18("5","7","7","3","2","2","1") = "6"
    & skf18("5","7","7","3","2","3","1") = "6"
    & skf18("5","7","7","3","2","4","1") = "6"
    & skf18("5","7","7","3","2","5","1") = "6"
    & skf18("5","7","7","3","2","6","1") = "6"
    & skf18("5","7","7","3","2","7","1") = "6"
    & skf18("5","7","7","3","2","8","1") = "7"
    & skf18("5","7","7","3","2","9","1") = "8"
    & skf18("5","7","7","3","2","10","1") = "9"
    & skf18("5","7","7","3","3","1","1") = "6"
    & skf18("5","7","7","3","3","2","1") = "6"
    & skf18("5","7","7","3","3","3","1") = "6"
    & skf18("5","7","7","3","3","4","1") = "6"
    & skf18("5","7","7","3","3","5","1") = "5"
    & skf18("5","7","7","3","3","6","1") = "5"
    & skf18("5","7","7","3","3","7","1") = "5"
    & skf18("5","7","7","3","3","8","1") = "7"
    & skf18("5","7","7","3","3","9","1") = "8"
    & skf18("5","7","7","3","3","10","1") = "9"
    & skf18("5","7","7","3","4","1","1") = "5"
    & skf18("5","7","7","3","4","2","1") = "5"
    & skf18("5","7","7","3","4","3","1") = "6"
    & skf18("5","7","7","3","4","4","1") = "6"
    & skf18("5","7","7","3","4","5","1") = "6"
    & skf18("5","7","7","3","4","6","1") = "6"
    & skf18("5","7","7","3","4","7","1") = "6"
    & skf18("5","7","7","3","4","8","1") = "7"
    & skf18("5","7","7","3","4","9","1") = "8"
    & skf18("5","7","7","3","4","10","1") = "9"
    & skf18("5","7","7","3","5","1","1") = "6"
    & skf18("5","7","7","3","5","2","1") = "6"
    & skf18("5","7","7","3","5","3","1") = "6"
    & skf18("5","7","7","3","5","4","1") = "6"
    & skf18("5","7","7","3","5","5","1") = "6"
    & skf18("5","7","7","3","5","6","1") = "6"
    & skf18("5","7","7","3","5","7","1") = "6"
    & skf18("5","7","7","3","5","8","1") = "7"
    & skf18("5","7","7","3","5","9","1") = "8"
    & skf18("5","7","7","3","5","10","1") = "9"
    & skf18("5","7","7","3","6","1","1") = "6"
    & skf18("5","7","7","3","6","2","1") = "6"
    & skf18("5","7","7","3","6","3","1") = "6"
    & skf18("5","7","7","3","6","4","1") = "6"
    & skf18("5","7","7","3","6","5","1") = "6"
    & skf18("5","7","7","3","6","6","1") = "6"
    & skf18("5","7","7","3","6","7","1") = "6"
    & skf18("5","7","7","3","6","8","1") = "7"
    & skf18("5","7","7","3","6","9","1") = "8"
    & skf18("5","7","7","3","6","10","1") = "9"
    & skf18("5","7","7","3","7","1","1") = "6"
    & skf18("5","7","7","3","7","2","1") = "6"
    & skf18("5","7","7","3","7","3","1") = "6"
    & skf18("5","7","7","3","7","4","1") = "6"
    & skf18("5","7","7","3","7","5","1") = "6"
    & skf18("5","7","7","3","7","6","1") = "6"
    & skf18("5","7","7","3","7","7","1") = "6"
    & skf18("5","7","7","3","7","8","1") = "7"
    & skf18("5","7","7","3","7","9","1") = "8"
    & skf18("5","7","7","3","7","10","1") = "9"
    & skf18("5","7","7","3","8","1","1") = "7"
    & skf18("5","7","7","3","8","2","1") = "7"
    & skf18("5","7","7","3","8","3","1") = "7"
    & skf18("5","7","7","3","8","4","1") = "7"
    & skf18("5","7","7","3","8","5","1") = "7"
    & skf18("5","7","7","3","8","6","1") = "7"
    & skf18("5","7","7","3","8","7","1") = "7"
    & skf18("5","7","7","3","8","8","1") = "7"
    & skf18("5","7","7","3","8","9","1") = "8"
    & skf18("5","7","7","3","8","10","1") = "9"
    & skf18("5","7","7","3","9","1","1") = "8"
    & skf18("5","7","7","3","9","2","1") = "8"
    & skf18("5","7","7","3","9","3","1") = "8"
    & skf18("5","7","7","3","9","4","1") = "8"
    & skf18("5","7","7","3","9","5","1") = "8"
    & skf18("5","7","7","3","9","6","1") = "8"
    & skf18("5","7","7","3","9","7","1") = "8"
    & skf18("5","7","7","3","9","8","1") = "8"
    & skf18("5","7","7","3","9","9","1") = "8"
    & skf18("5","7","7","3","9","10","1") = "9"
    & skf18("5","7","7","3","10","1","1") = "9"
    & skf18("5","7","7","3","10","2","1") = "9"
    & skf18("5","7","7","3","10","3","1") = "9"
    & skf18("5","7","7","3","10","4","1") = "9"
    & skf18("5","7","7","3","10","5","1") = "9"
    & skf18("5","7","7","3","10","6","1") = "9"
    & skf18("5","7","7","3","10","7","1") = "9"
    & skf18("5","7","7","3","10","8","1") = "9"
    & skf18("5","7","7","3","10","9","1") = "9"
    & skf18("5","7","7","3","10","10","1") = "9"
    & skf18("5","7","7","4","1","1","1") = "6"
    & skf18("5","7","7","4","1","2","1") = "6"
    & skf18("5","7","7","4","1","3","1") = "6"
    & skf18("5","7","7","4","1","4","1") = "6"
    & skf18("5","7","7","4","1","5","1") = "6"
    & skf18("5","7","7","4","1","6","1") = "6"
    & skf18("5","7","7","4","1","7","1") = "6"
    & skf18("5","7","7","4","1","8","1") = "7"
    & skf18("5","7","7","4","1","9","1") = "8"
    & skf18("5","7","7","4","1","10","1") = "9"
    & skf18("5","7","7","4","2","1","1") = "6"
    & skf18("5","7","7","4","2","2","1") = "6"
    & skf18("5","7","7","4","2","3","1") = "6"
    & skf18("5","7","7","4","2","4","1") = "6"
    & skf18("5","7","7","4","2","5","1") = "6"
    & skf18("5","7","7","4","2","6","1") = "6"
    & skf18("5","7","7","4","2","7","1") = "6"
    & skf18("5","7","7","4","2","8","1") = "7"
    & skf18("5","7","7","4","2","9","1") = "8"
    & skf18("5","7","7","4","2","10","1") = "9"
    & skf18("5","7","7","4","3","1","1") = "6"
    & skf18("5","7","7","4","3","2","1") = "6"
    & skf18("5","7","7","4","3","3","1") = "6"
    & skf18("5","7","7","4","3","4","1") = "6"
    & skf18("5","7","7","4","3","5","1") = "6"
    & skf18("5","7","7","4","3","6","1") = "6"
    & skf18("5","7","7","4","3","7","1") = "6"
    & skf18("5","7","7","4","3","8","1") = "7"
    & skf18("5","7","7","4","3","9","1") = "8"
    & skf18("5","7","7","4","3","10","1") = "9"
    & skf18("5","7","7","4","4","1","1") = "6"
    & skf18("5","7","7","4","4","2","1") = "6"
    & skf18("5","7","7","4","4","3","1") = "6"
    & skf18("5","7","7","4","4","4","1") = "6"
    & skf18("5","7","7","4","4","5","1") = "6"
    & skf18("5","7","7","4","4","6","1") = "6"
    & skf18("5","7","7","4","4","7","1") = "6"
    & skf18("5","7","7","4","4","8","1") = "7"
    & skf18("5","7","7","4","4","9","1") = "8"
    & skf18("5","7","7","4","4","10","1") = "9"
    & skf18("5","7","7","4","5","1","1") = "6"
    & skf18("5","7","7","4","5","2","1") = "6"
    & skf18("5","7","7","4","5","3","1") = "6"
    & skf18("5","7","7","4","5","4","1") = "6"
    & skf18("5","7","7","4","5","5","1") = "6"
    & skf18("5","7","7","4","5","6","1") = "6"
    & skf18("5","7","7","4","5","7","1") = "6"
    & skf18("5","7","7","4","5","8","1") = "7"
    & skf18("5","7","7","4","5","9","1") = "8"
    & skf18("5","7","7","4","5","10","1") = "9"
    & skf18("5","7","7","4","6","1","1") = "6"
    & skf18("5","7","7","4","6","2","1") = "6"
    & skf18("5","7","7","4","6","3","1") = "6"
    & skf18("5","7","7","4","6","4","1") = "6"
    & skf18("5","7","7","4","6","5","1") = "6"
    & skf18("5","7","7","4","6","6","1") = "6"
    & skf18("5","7","7","4","6","7","1") = "6"
    & skf18("5","7","7","4","6","8","1") = "7"
    & skf18("5","7","7","4","6","9","1") = "8"
    & skf18("5","7","7","4","6","10","1") = "9"
    & skf18("5","7","7","4","7","1","1") = "6"
    & skf18("5","7","7","4","7","2","1") = "6"
    & skf18("5","7","7","4","7","3","1") = "6"
    & skf18("5","7","7","4","7","4","1") = "6"
    & skf18("5","7","7","4","7","5","1") = "6"
    & skf18("5","7","7","4","7","6","1") = "6"
    & skf18("5","7","7","4","7","7","1") = "6"
    & skf18("5","7","7","4","7","8","1") = "7"
    & skf18("5","7","7","4","7","9","1") = "8"
    & skf18("5","7","7","4","7","10","1") = "9"
    & skf18("5","7","7","4","8","1","1") = "7"
    & skf18("5","7","7","4","8","2","1") = "7"
    & skf18("5","7","7","4","8","3","1") = "7"
    & skf18("5","7","7","4","8","4","1") = "7"
    & skf18("5","7","7","4","8","5","1") = "7"
    & skf18("5","7","7","4","8","6","1") = "7"
    & skf18("5","7","7","4","8","7","1") = "7"
    & skf18("5","7","7","4","8","8","1") = "7"
    & skf18("5","7","7","4","8","9","1") = "8"
    & skf18("5","7","7","4","8","10","1") = "9"
    & skf18("5","7","7","4","9","1","1") = "8"
    & skf18("5","7","7","4","9","2","1") = "8"
    & skf18("5","7","7","4","9","3","1") = "8"
    & skf18("5","7","7","4","9","4","1") = "8"
    & skf18("5","7","7","4","9","5","1") = "8"
    & skf18("5","7","7","4","9","6","1") = "8"
    & skf18("5","7","7","4","9","7","1") = "8"
    & skf18("5","7","7","4","9","8","1") = "8"
    & skf18("5","7","7","4","9","9","1") = "8"
    & skf18("5","7","7","4","9","10","1") = "9"
    & skf18("5","7","7","4","10","1","1") = "9"
    & skf18("5","7","7","4","10","2","1") = "9"
    & skf18("5","7","7","4","10","3","1") = "9"
    & skf18("5","7","7","4","10","4","1") = "9"
    & skf18("5","7","7","4","10","5","1") = "9"
    & skf18("5","7","7","4","10","6","1") = "9"
    & skf18("5","7","7","4","10","7","1") = "9"
    & skf18("5","7","7","4","10","8","1") = "9"
    & skf18("5","7","7","4","10","9","1") = "9"
    & skf18("5","7","7","4","10","10","1") = "9"
    & skf18("5","7","7","5","1","1","1") = "6"
    & skf18("5","7","7","5","1","2","1") = "6"
    & skf18("5","7","7","5","1","3","1") = "6"
    & skf18("5","7","7","5","1","4","1") = "6"
    & skf18("5","7","7","5","1","5","1") = "6"
    & skf18("5","7","7","5","1","6","1") = "6"
    & skf18("5","7","7","5","1","7","1") = "6"
    & skf18("5","7","7","5","1","8","1") = "7"
    & skf18("5","7","7","5","1","9","1") = "8"
    & skf18("5","7","7","5","1","10","1") = "9"
    & skf18("5","7","7","5","2","1","1") = "6"
    & skf18("5","7","7","5","2","2","1") = "6"
    & skf18("5","7","7","5","2","3","1") = "6"
    & skf18("5","7","7","5","2","4","1") = "6"
    & skf18("5","7","7","5","2","5","1") = "6"
    & skf18("5","7","7","5","2","6","1") = "6"
    & skf18("5","7","7","5","2","7","1") = "6"
    & skf18("5","7","7","5","2","8","1") = "7"
    & skf18("5","7","7","5","2","9","1") = "8"
    & skf18("5","7","7","5","2","10","1") = "9"
    & skf18("5","7","7","5","3","1","1") = "6"
    & skf18("5","7","7","5","3","2","1") = "6"
    & skf18("5","7","7","5","3","3","1") = "6"
    & skf18("5","7","7","5","3","4","1") = "6"
    & skf18("5","7","7","5","3","5","1") = "6"
    & skf18("5","7","7","5","3","6","1") = "6"
    & skf18("5","7","7","5","3","7","1") = "6"
    & skf18("5","7","7","5","3","8","1") = "7"
    & skf18("5","7","7","5","3","9","1") = "8"
    & skf18("5","7","7","5","3","10","1") = "9"
    & skf18("5","7","7","5","4","1","1") = "6"
    & skf18("5","7","7","5","4","2","1") = "6"
    & skf18("5","7","7","5","4","3","1") = "6"
    & skf18("5","7","7","5","4","4","1") = "6"
    & skf18("5","7","7","5","4","5","1") = "6"
    & skf18("5","7","7","5","4","6","1") = "6"
    & skf18("5","7","7","5","4","7","1") = "6"
    & skf18("5","7","7","5","4","8","1") = "7"
    & skf18("5","7","7","5","4","9","1") = "8"
    & skf18("5","7","7","5","4","10","1") = "9"
    & skf18("5","7","7","5","5","1","1") = "6"
    & skf18("5","7","7","5","5","2","1") = "6"
    & skf18("5","7","7","5","5","3","1") = "6"
    & skf18("5","7","7","5","5","4","1") = "6"
    & skf18("5","7","7","5","5","5","1") = "6"
    & skf18("5","7","7","5","5","6","1") = "6"
    & skf18("5","7","7","5","5","7","1") = "6"
    & skf18("5","7","7","5","5","8","1") = "7"
    & skf18("5","7","7","5","5","9","1") = "8"
    & skf18("5","7","7","5","5","10","1") = "9"
    & skf18("5","7","7","5","6","1","1") = "6"
    & skf18("5","7","7","5","6","2","1") = "6"
    & skf18("5","7","7","5","6","3","1") = "6"
    & skf18("5","7","7","5","6","4","1") = "6"
    & skf18("5","7","7","5","6","5","1") = "6"
    & skf18("5","7","7","5","6","6","1") = "6"
    & skf18("5","7","7","5","6","7","1") = "6"
    & skf18("5","7","7","5","6","8","1") = "7"
    & skf18("5","7","7","5","6","9","1") = "8"
    & skf18("5","7","7","5","6","10","1") = "9"
    & skf18("5","7","7","5","7","1","1") = "6"
    & skf18("5","7","7","5","7","2","1") = "6"
    & skf18("5","7","7","5","7","3","1") = "6"
    & skf18("5","7","7","5","7","4","1") = "6"
    & skf18("5","7","7","5","7","5","1") = "6"
    & skf18("5","7","7","5","7","6","1") = "6"
    & skf18("5","7","7","5","7","7","1") = "6"
    & skf18("5","7","7","5","7","8","1") = "7"
    & skf18("5","7","7","5","7","9","1") = "8"
    & skf18("5","7","7","5","7","10","1") = "9"
    & skf18("5","7","7","5","8","1","1") = "7"
    & skf18("5","7","7","5","8","2","1") = "7"
    & skf18("5","7","7","5","8","3","1") = "7"
    & skf18("5","7","7","5","8","4","1") = "7"
    & skf18("5","7","7","5","8","5","1") = "7"
    & skf18("5","7","7","5","8","6","1") = "7"
    & skf18("5","7","7","5","8","7","1") = "7"
    & skf18("5","7","7","5","8","8","1") = "7"
    & skf18("5","7","7","5","8","9","1") = "8"
    & skf18("5","7","7","5","8","10","1") = "9"
    & skf18("5","7","7","5","9","1","1") = "8"
    & skf18("5","7","7","5","9","2","1") = "8"
    & skf18("5","7","7","5","9","3","1") = "8"
    & skf18("5","7","7","5","9","4","1") = "8"
    & skf18("5","7","7","5","9","5","1") = "8"
    & skf18("5","7","7","5","9","6","1") = "8"
    & skf18("5","7","7","5","9","7","1") = "8"
    & skf18("5","7","7","5","9","8","1") = "8"
    & skf18("5","7","7","5","9","9","1") = "8"
    & skf18("5","7","7","5","9","10","1") = "9"
    & skf18("5","7","7","5","10","1","1") = "9"
    & skf18("5","7","7","5","10","2","1") = "9"
    & skf18("5","7","7","5","10","3","1") = "9"
    & skf18("5","7","7","5","10","4","1") = "9"
    & skf18("5","7","7","5","10","5","1") = "9"
    & skf18("5","7","7","5","10","6","1") = "9"
    & skf18("5","7","7","5","10","7","1") = "9"
    & skf18("5","7","7","5","10","8","1") = "9"
    & skf18("5","7","7","5","10","9","1") = "9"
    & skf18("5","7","7","5","10","10","1") = "9"
    & skf18("5","7","7","6","1","1","1") = "6"
    & skf18("5","7","7","6","1","2","1") = "6"
    & skf18("5","7","7","6","1","3","1") = "6"
    & skf18("5","7","7","6","1","4","1") = "6"
    & skf18("5","7","7","6","1","5","1") = "6"
    & skf18("5","7","7","6","1","6","1") = "6"
    & skf18("5","7","7","6","1","7","1") = "6"
    & skf18("5","7","7","6","1","8","1") = "7"
    & skf18("5","7","7","6","1","9","1") = "8"
    & skf18("5","7","7","6","1","10","1") = "9"
    & skf18("5","7","7","6","2","1","1") = "6"
    & skf18("5","7","7","6","2","2","1") = "6"
    & skf18("5","7","7","6","2","3","1") = "6"
    & skf18("5","7","7","6","2","4","1") = "6"
    & skf18("5","7","7","6","2","5","1") = "6"
    & skf18("5","7","7","6","2","6","1") = "6"
    & skf18("5","7","7","6","2","7","1") = "6"
    & skf18("5","7","7","6","2","8","1") = "7"
    & skf18("5","7","7","6","2","9","1") = "8"
    & skf18("5","7","7","6","2","10","1") = "9"
    & skf18("5","7","7","6","3","1","1") = "6"
    & skf18("5","7","7","6","3","2","1") = "6"
    & skf18("5","7","7","6","3","3","1") = "6"
    & skf18("5","7","7","6","3","4","1") = "6"
    & skf18("5","7","7","6","3","5","1") = "6"
    & skf18("5","7","7","6","3","6","1") = "6"
    & skf18("5","7","7","6","3","7","1") = "6"
    & skf18("5","7","7","6","3","8","1") = "7"
    & skf18("5","7","7","6","3","9","1") = "8"
    & skf18("5","7","7","6","3","10","1") = "9"
    & skf18("5","7","7","6","4","1","1") = "6"
    & skf18("5","7","7","6","4","2","1") = "6"
    & skf18("5","7","7","6","4","3","1") = "6"
    & skf18("5","7","7","6","4","4","1") = "6"
    & skf18("5","7","7","6","4","5","1") = "6"
    & skf18("5","7","7","6","4","6","1") = "6"
    & skf18("5","7","7","6","4","7","1") = "6"
    & skf18("5","7","7","6","4","8","1") = "7"
    & skf18("5","7","7","6","4","9","1") = "8"
    & skf18("5","7","7","6","4","10","1") = "9"
    & skf18("5","7","7","6","5","1","1") = "6"
    & skf18("5","7","7","6","5","2","1") = "6"
    & skf18("5","7","7","6","5","3","1") = "6"
    & skf18("5","7","7","6","5","4","1") = "6"
    & skf18("5","7","7","6","5","5","1") = "6"
    & skf18("5","7","7","6","5","6","1") = "6"
    & skf18("5","7","7","6","5","7","1") = "6"
    & skf18("5","7","7","6","5","8","1") = "7"
    & skf18("5","7","7","6","5","9","1") = "8"
    & skf18("5","7","7","6","5","10","1") = "9"
    & skf18("5","7","7","6","6","1","1") = "6"
    & skf18("5","7","7","6","6","2","1") = "6"
    & skf18("5","7","7","6","6","3","1") = "6"
    & skf18("5","7","7","6","6","4","1") = "6"
    & skf18("5","7","7","6","6","5","1") = "6"
    & skf18("5","7","7","6","6","6","1") = "6"
    & skf18("5","7","7","6","6","7","1") = "6"
    & skf18("5","7","7","6","6","8","1") = "7"
    & skf18("5","7","7","6","6","9","1") = "8"
    & skf18("5","7","7","6","6","10","1") = "9"
    & skf18("5","7","7","6","7","1","1") = "6"
    & skf18("5","7","7","6","7","2","1") = "6"
    & skf18("5","7","7","6","7","3","1") = "6"
    & skf18("5","7","7","6","7","4","1") = "6"
    & skf18("5","7","7","6","7","5","1") = "6"
    & skf18("5","7","7","6","7","6","1") = "6"
    & skf18("5","7","7","6","7","7","1") = "6"
    & skf18("5","7","7","6","7","8","1") = "7"
    & skf18("5","7","7","6","7","9","1") = "8"
    & skf18("5","7","7","6","7","10","1") = "9"
    & skf18("5","7","7","6","8","1","1") = "7"
    & skf18("5","7","7","6","8","2","1") = "7"
    & skf18("5","7","7","6","8","3","1") = "7"
    & skf18("5","7","7","6","8","4","1") = "7"
    & skf18("5","7","7","6","8","5","1") = "7"
    & skf18("5","7","7","6","8","6","1") = "7"
    & skf18("5","7","7","6","8","7","1") = "7"
    & skf18("5","7","7","6","8","8","1") = "7"
    & skf18("5","7","7","6","8","9","1") = "8"
    & skf18("5","7","7","6","8","10","1") = "9"
    & skf18("5","7","7","6","9","1","1") = "8"
    & skf18("5","7","7","6","9","2","1") = "8"
    & skf18("5","7","7","6","9","3","1") = "8"
    & skf18("5","7","7","6","9","4","1") = "8"
    & skf18("5","7","7","6","9","5","1") = "8"
    & skf18("5","7","7","6","9","6","1") = "8"
    & skf18("5","7","7","6","9","7","1") = "8"
    & skf18("5","7","7","6","9","8","1") = "8"
    & skf18("5","7","7","6","9","9","1") = "8"
    & skf18("5","7","7","6","9","10","1") = "9"
    & skf18("5","7","7","6","10","1","1") = "9"
    & skf18("5","7","7","6","10","2","1") = "9"
    & skf18("5","7","7","6","10","3","1") = "9"
    & skf18("5","7","7","6","10","4","1") = "9"
    & skf18("5","7","7","6","10","5","1") = "9"
    & skf18("5","7","7","6","10","6","1") = "9"
    & skf18("5","7","7","6","10","7","1") = "9"
    & skf18("5","7","7","6","10","8","1") = "9"
    & skf18("5","7","7","6","10","9","1") = "9"
    & skf18("5","7","7","6","10","10","1") = "9"
    & skf18("5","7","7","7","1","1","1") = "6"
    & skf18("5","7","7","7","1","2","1") = "6"
    & skf18("5","7","7","7","1","3","1") = "6"
    & skf18("5","7","7","7","1","4","1") = "6"
    & skf18("5","7","7","7","1","5","1") = "6"
    & skf18("5","7","7","7","1","6","1") = "6"
    & skf18("5","7","7","7","1","7","1") = "6"
    & skf18("5","7","7","7","1","8","1") = "7"
    & skf18("5","7","7","7","1","9","1") = "8"
    & skf18("5","7","7","7","1","10","1") = "9"
    & skf18("5","7","7","7","2","1","1") = "6"
    & skf18("5","7","7","7","2","2","1") = "6"
    & skf18("5","7","7","7","2","3","1") = "6"
    & skf18("5","7","7","7","2","4","1") = "6"
    & skf18("5","7","7","7","2","5","1") = "6"
    & skf18("5","7","7","7","2","6","1") = "6"
    & skf18("5","7","7","7","2","7","1") = "6"
    & skf18("5","7","7","7","2","8","1") = "7"
    & skf18("5","7","7","7","2","9","1") = "8"
    & skf18("5","7","7","7","2","10","1") = "9"
    & skf18("5","7","7","7","3","1","1") = "6"
    & skf18("5","7","7","7","3","2","1") = "6"
    & skf18("5","7","7","7","3","3","1") = "6"
    & skf18("5","7","7","7","3","4","1") = "6"
    & skf18("5","7","7","7","3","5","1") = "6"
    & skf18("5","7","7","7","3","6","1") = "6"
    & skf18("5","7","7","7","3","7","1") = "6"
    & skf18("5","7","7","7","3","8","1") = "7"
    & skf18("5","7","7","7","3","9","1") = "8"
    & skf18("5","7","7","7","3","10","1") = "9"
    & skf18("5","7","7","7","4","1","1") = "6"
    & skf18("5","7","7","7","4","2","1") = "6"
    & skf18("5","7","7","7","4","3","1") = "6"
    & skf18("5","7","7","7","4","4","1") = "6"
    & skf18("5","7","7","7","4","5","1") = "6"
    & skf18("5","7","7","7","4","6","1") = "6"
    & skf18("5","7","7","7","4","7","1") = "6"
    & skf18("5","7","7","7","4","8","1") = "7"
    & skf18("5","7","7","7","4","9","1") = "8"
    & skf18("5","7","7","7","4","10","1") = "9"
    & skf18("5","7","7","7","5","1","1") = "6"
    & skf18("5","7","7","7","5","2","1") = "6"
    & skf18("5","7","7","7","5","3","1") = "6"
    & skf18("5","7","7","7","5","4","1") = "6"
    & skf18("5","7","7","7","5","5","1") = "6"
    & skf18("5","7","7","7","5","6","1") = "6"
    & skf18("5","7","7","7","5","7","1") = "6"
    & skf18("5","7","7","7","5","8","1") = "7"
    & skf18("5","7","7","7","5","9","1") = "8"
    & skf18("5","7","7","7","5","10","1") = "9"
    & skf18("5","7","7","7","6","1","1") = "6"
    & skf18("5","7","7","7","6","2","1") = "6"
    & skf18("5","7","7","7","6","3","1") = "6"
    & skf18("5","7","7","7","6","4","1") = "6"
    & skf18("5","7","7","7","6","5","1") = "6"
    & skf18("5","7","7","7","6","6","1") = "6"
    & skf18("5","7","7","7","6","7","1") = "6"
    & skf18("5","7","7","7","6","8","1") = "7"
    & skf18("5","7","7","7","6","9","1") = "8"
    & skf18("5","7","7","7","6","10","1") = "9"
    & skf18("5","7","7","7","7","1","1") = "6"
    & skf18("5","7","7","7","7","2","1") = "6"
    & skf18("5","7","7","7","7","3","1") = "6"
    & skf18("5","7","7","7","7","4","1") = "6"
    & skf18("5","7","7","7","7","5","1") = "6"
    & skf18("5","7","7","7","7","6","1") = "6"
    & skf18("5","7","7","7","7","7","1") = "6"
    & skf18("5","7","7","7","7","8","1") = "7"
    & skf18("5","7","7","7","7","9","1") = "8"
    & skf18("5","7","7","7","7","10","1") = "9"
    & skf18("5","7","7","7","8","1","1") = "7"
    & skf18("5","7","7","7","8","2","1") = "7"
    & skf18("5","7","7","7","8","3","1") = "7"
    & skf18("5","7","7","7","8","4","1") = "7"
    & skf18("5","7","7","7","8","5","1") = "7"
    & skf18("5","7","7","7","8","6","1") = "7"
    & skf18("5","7","7","7","8","7","1") = "7"
    & skf18("5","7","7","7","8","8","1") = "7"
    & skf18("5","7","7","7","8","9","1") = "8"
    & skf18("5","7","7","7","8","10","1") = "9"
    & skf18("5","7","7","7","9","1","1") = "8"
    & skf18("5","7","7","7","9","2","1") = "8"
    & skf18("5","7","7","7","9","3","1") = "8"
    & skf18("5","7","7","7","9","4","1") = "8"
    & skf18("5","7","7","7","9","5","1") = "8"
    & skf18("5","7","7","7","9","6","1") = "8"
    & skf18("5","7","7","7","9","7","1") = "8"
    & skf18("5","7","7","7","9","8","1") = "8"
    & skf18("5","7","7","7","9","9","1") = "8"
    & skf18("5","7","7","7","9","10","1") = "9"
    & skf18("5","7","7","7","10","1","1") = "9"
    & skf18("5","7","7","7","10","2","1") = "9"
    & skf18("5","7","7","7","10","3","1") = "9"
    & skf18("5","7","7","7","10","4","1") = "9"
    & skf18("5","7","7","7","10","5","1") = "9"
    & skf18("5","7","7","7","10","6","1") = "9"
    & skf18("5","7","7","7","10","7","1") = "9"
    & skf18("5","7","7","7","10","8","1") = "9"
    & skf18("5","7","7","7","10","9","1") = "9"
    & skf18("5","7","7","7","10","10","1") = "9"
    & skf18("5","7","7","8","1","1","1") = "7"
    & skf18("5","7","7","8","1","2","1") = "7"
    & skf18("5","7","7","8","1","3","1") = "7"
    & skf18("5","7","7","8","1","4","1") = "7"
    & skf18("5","7","7","8","1","5","1") = "7"
    & skf18("5","7","7","8","1","6","1") = "7"
    & skf18("5","7","7","8","1","7","1") = "7"
    & skf18("5","7","7","8","1","8","1") = "7"
    & skf18("5","7","7","8","1","9","1") = "8"
    & skf18("5","7","7","8","1","10","1") = "9"
    & skf18("5","7","7","8","2","1","1") = "7"
    & skf18("5","7","7","8","2","2","1") = "7"
    & skf18("5","7","7","8","2","3","1") = "7"
    & skf18("5","7","7","8","2","4","1") = "7"
    & skf18("5","7","7","8","2","5","1") = "7"
    & skf18("5","7","7","8","2","6","1") = "7"
    & skf18("5","7","7","8","2","7","1") = "7"
    & skf18("5","7","7","8","2","8","1") = "7"
    & skf18("5","7","7","8","2","9","1") = "8"
    & skf18("5","7","7","8","2","10","1") = "9"
    & skf18("5","7","7","8","3","1","1") = "7"
    & skf18("5","7","7","8","3","2","1") = "7"
    & skf18("5","7","7","8","3","3","1") = "7"
    & skf18("5","7","7","8","3","4","1") = "7"
    & skf18("5","7","7","8","3","5","1") = "7"
    & skf18("5","7","7","8","3","6","1") = "7"
    & skf18("5","7","7","8","3","7","1") = "7"
    & skf18("5","7","7","8","3","8","1") = "7"
    & skf18("5","7","7","8","3","9","1") = "8"
    & skf18("5","7","7","8","3","10","1") = "9"
    & skf18("5","7","7","8","4","1","1") = "7"
    & skf18("5","7","7","8","4","2","1") = "7"
    & skf18("5","7","7","8","4","3","1") = "7"
    & skf18("5","7","7","8","4","4","1") = "7"
    & skf18("5","7","7","8","4","5","1") = "7"
    & skf18("5","7","7","8","4","6","1") = "7"
    & skf18("5","7","7","8","4","7","1") = "7"
    & skf18("5","7","7","8","4","8","1") = "7"
    & skf18("5","7","7","8","4","9","1") = "8"
    & skf18("5","7","7","8","4","10","1") = "9"
    & skf18("5","7","7","8","5","1","1") = "7"
    & skf18("5","7","7","8","5","2","1") = "7"
    & skf18("5","7","7","8","5","3","1") = "7"
    & skf18("5","7","7","8","5","4","1") = "7"
    & skf18("5","7","7","8","5","5","1") = "7"
    & skf18("5","7","7","8","5","6","1") = "7"
    & skf18("5","7","7","8","5","7","1") = "7"
    & skf18("5","7","7","8","5","8","1") = "7"
    & skf18("5","7","7","8","5","9","1") = "8"
    & skf18("5","7","7","8","5","10","1") = "9"
    & skf18("5","7","7","8","6","1","1") = "7"
    & skf18("5","7","7","8","6","2","1") = "7"
    & skf18("5","7","7","8","6","3","1") = "7"
    & skf18("5","7","7","8","6","4","1") = "7"
    & skf18("5","7","7","8","6","5","1") = "7"
    & skf18("5","7","7","8","6","6","1") = "7"
    & skf18("5","7","7","8","6","7","1") = "7"
    & skf18("5","7","7","8","6","8","1") = "7"
    & skf18("5","7","7","8","6","9","1") = "8"
    & skf18("5","7","7","8","6","10","1") = "9"
    & skf18("5","7","7","8","7","1","1") = "7"
    & skf18("5","7","7","8","7","2","1") = "7"
    & skf18("5","7","7","8","7","3","1") = "7"
    & skf18("5","7","7","8","7","4","1") = "7"
    & skf18("5","7","7","8","7","5","1") = "7"
    & skf18("5","7","7","8","7","6","1") = "7"
    & skf18("5","7","7","8","7","7","1") = "7"
    & skf18("5","7","7","8","7","8","1") = "7"
    & skf18("5","7","7","8","7","9","1") = "8"
    & skf18("5","7","7","8","7","10","1") = "9"
    & skf18("5","7","7","8","8","1","1") = "7"
    & skf18("5","7","7","8","8","2","1") = "7"
    & skf18("5","7","7","8","8","3","1") = "7"
    & skf18("5","7","7","8","8","4","1") = "7"
    & skf18("5","7","7","8","8","5","1") = "7"
    & skf18("5","7","7","8","8","6","1") = "7"
    & skf18("5","7","7","8","8","7","1") = "7"
    & skf18("5","7","7","8","8","8","1") = "7"
    & skf18("5","7","7","8","8","9","1") = "8"
    & skf18("5","7","7","8","8","10","1") = "9"
    & skf18("5","7","7","8","9","1","1") = "8"
    & skf18("5","7","7","8","9","2","1") = "8"
    & skf18("5","7","7","8","9","3","1") = "8"
    & skf18("5","7","7","8","9","4","1") = "8"
    & skf18("5","7","7","8","9","5","1") = "8"
    & skf18("5","7","7","8","9","6","1") = "8"
    & skf18("5","7","7","8","9","7","1") = "8"
    & skf18("5","7","7","8","9","8","1") = "8"
    & skf18("5","7","7","8","9","9","1") = "8"
    & skf18("5","7","7","8","9","10","1") = "9"
    & skf18("5","7","7","8","10","1","1") = "9"
    & skf18("5","7","7","8","10","2","1") = "9"
    & skf18("5","7","7","8","10","3","1") = "9"
    & skf18("5","7","7","8","10","4","1") = "9"
    & skf18("5","7","7","8","10","5","1") = "9"
    & skf18("5","7","7","8","10","6","1") = "9"
    & skf18("5","7","7","8","10","7","1") = "9"
    & skf18("5","7","7","8","10","8","1") = "9"
    & skf18("5","7","7","8","10","9","1") = "9"
    & skf18("5","7","7","8","10","10","1") = "9"
    & skf18("5","7","7","9","1","1","1") = "8"
    & skf18("5","7","7","9","1","2","1") = "8"
    & skf18("5","7","7","9","1","3","1") = "8"
    & skf18("5","7","7","9","1","4","1") = "8"
    & skf18("5","7","7","9","1","5","1") = "8"
    & skf18("5","7","7","9","1","6","1") = "8"
    & skf18("5","7","7","9","1","7","1") = "8"
    & skf18("5","7","7","9","1","8","1") = "8"
    & skf18("5","7","7","9","1","9","1") = "8"
    & skf18("5","7","7","9","1","10","1") = "9"
    & skf18("5","7","7","9","2","1","1") = "8"
    & skf18("5","7","7","9","2","2","1") = "8"
    & skf18("5","7","7","9","2","3","1") = "8"
    & skf18("5","7","7","9","2","4","1") = "8"
    & skf18("5","7","7","9","2","5","1") = "8"
    & skf18("5","7","7","9","2","6","1") = "8"
    & skf18("5","7","7","9","2","7","1") = "8"
    & skf18("5","7","7","9","2","8","1") = "8"
    & skf18("5","7","7","9","2","9","1") = "8"
    & skf18("5","7","7","9","2","10","1") = "9"
    & skf18("5","7","7","9","3","1","1") = "8"
    & skf18("5","7","7","9","3","2","1") = "8"
    & skf18("5","7","7","9","3","3","1") = "8"
    & skf18("5","7","7","9","3","4","1") = "8"
    & skf18("5","7","7","9","3","5","1") = "8"
    & skf18("5","7","7","9","3","6","1") = "8"
    & skf18("5","7","7","9","3","7","1") = "8"
    & skf18("5","7","7","9","3","8","1") = "8"
    & skf18("5","7","7","9","3","9","1") = "8"
    & skf18("5","7","7","9","3","10","1") = "9"
    & skf18("5","7","7","9","4","1","1") = "8"
    & skf18("5","7","7","9","4","2","1") = "8"
    & skf18("5","7","7","9","4","3","1") = "8"
    & skf18("5","7","7","9","4","4","1") = "8"
    & skf18("5","7","7","9","4","5","1") = "8"
    & skf18("5","7","7","9","4","6","1") = "8"
    & skf18("5","7","7","9","4","7","1") = "8"
    & skf18("5","7","7","9","4","8","1") = "8"
    & skf18("5","7","7","9","4","9","1") = "8"
    & skf18("5","7","7","9","4","10","1") = "9"
    & skf18("5","7","7","9","5","1","1") = "8"
    & skf18("5","7","7","9","5","2","1") = "8"
    & skf18("5","7","7","9","5","3","1") = "8"
    & skf18("5","7","7","9","5","4","1") = "8"
    & skf18("5","7","7","9","5","5","1") = "8"
    & skf18("5","7","7","9","5","6","1") = "8"
    & skf18("5","7","7","9","5","7","1") = "8"
    & skf18("5","7","7","9","5","8","1") = "8"
    & skf18("5","7","7","9","5","9","1") = "8"
    & skf18("5","7","7","9","5","10","1") = "9"
    & skf18("5","7","7","9","6","1","1") = "8"
    & skf18("5","7","7","9","6","2","1") = "8"
    & skf18("5","7","7","9","6","3","1") = "8"
    & skf18("5","7","7","9","6","4","1") = "8"
    & skf18("5","7","7","9","6","5","1") = "8"
    & skf18("5","7","7","9","6","6","1") = "8"
    & skf18("5","7","7","9","6","7","1") = "8"
    & skf18("5","7","7","9","6","8","1") = "8"
    & skf18("5","7","7","9","6","9","1") = "8"
    & skf18("5","7","7","9","6","10","1") = "9"
    & skf18("5","7","7","9","7","1","1") = "8"
    & skf18("5","7","7","9","7","2","1") = "8"
    & skf18("5","7","7","9","7","3","1") = "8"
    & skf18("5","7","7","9","7","4","1") = "8"
    & skf18("5","7","7","9","7","5","1") = "8"
    & skf18("5","7","7","9","7","6","1") = "8"
    & skf18("5","7","7","9","7","7","1") = "8"
    & skf18("5","7","7","9","7","8","1") = "8"
    & skf18("5","7","7","9","7","9","1") = "8"
    & skf18("5","7","7","9","7","10","1") = "9"
    & skf18("5","7","7","9","8","1","1") = "8"
    & skf18("5","7","7","9","8","2","1") = "8"
    & skf18("5","7","7","9","8","3","1") = "8"
    & skf18("5","7","7","9","8","4","1") = "8"
    & skf18("5","7","7","9","8","5","1") = "8"
    & skf18("5","7","7","9","8","6","1") = "8"
    & skf18("5","7","7","9","8","7","1") = "8"
    & skf18("5","7","7","9","8","8","1") = "8"
    & skf18("5","7","7","9","8","9","1") = "8"
    & skf18("5","7","7","9","8","10","1") = "9"
    & skf18("5","7","7","9","9","1","1") = "8"
    & skf18("5","7","7","9","9","2","1") = "8"
    & skf18("5","7","7","9","9","3","1") = "8"
    & skf18("5","7","7","9","9","4","1") = "8"
    & skf18("5","7","7","9","9","5","1") = "8"
    & skf18("5","7","7","9","9","6","1") = "8"
    & skf18("5","7","7","9","9","7","1") = "8"
    & skf18("5","7","7","9","9","8","1") = "8"
    & skf18("5","7","7","9","9","9","1") = "8"
    & skf18("5","7","7","9","9","10","1") = "9"
    & skf18("5","7","7","9","10","1","1") = "9"
    & skf18("5","7","7","9","10","2","1") = "9"
    & skf18("5","7","7","9","10","3","1") = "9"
    & skf18("5","7","7","9","10","4","1") = "9"
    & skf18("5","7","7","9","10","5","1") = "9"
    & skf18("5","7","7","9","10","6","1") = "9"
    & skf18("5","7","7","9","10","7","1") = "9"
    & skf18("5","7","7","9","10","8","1") = "9"
    & skf18("5","7","7","9","10","9","1") = "9"
    & skf18("5","7","7","9","10","10","1") = "9"
    & skf18("5","7","7","10","1","1","1") = "9"
    & skf18("5","7","7","10","1","2","1") = "9"
    & skf18("5","7","7","10","1","3","1") = "9"
    & skf18("5","7","7","10","1","4","1") = "9"
    & skf18("5","7","7","10","1","5","1") = "9"
    & skf18("5","7","7","10","1","6","1") = "9"
    & skf18("5","7","7","10","1","7","1") = "9"
    & skf18("5","7","7","10","1","8","1") = "9"
    & skf18("5","7","7","10","1","9","1") = "9"
    & skf18("5","7","7","10","1","10","1") = "9"
    & skf18("5","7","7","10","2","1","1") = "9"
    & skf18("5","7","7","10","2","2","1") = "9"
    & skf18("5","7","7","10","2","3","1") = "9"
    & skf18("5","7","7","10","2","4","1") = "9"
    & skf18("5","7","7","10","2","5","1") = "9"
    & skf18("5","7","7","10","2","6","1") = "9"
    & skf18("5","7","7","10","2","7","1") = "9"
    & skf18("5","7","7","10","2","8","1") = "9"
    & skf18("5","7","7","10","2","9","1") = "9"
    & skf18("5","7","7","10","2","10","1") = "9"
    & skf18("5","7","7","10","3","1","1") = "9"
    & skf18("5","7","7","10","3","2","1") = "9"
    & skf18("5","7","7","10","3","3","1") = "9"
    & skf18("5","7","7","10","3","4","1") = "9"
    & skf18("5","7","7","10","3","5","1") = "9"
    & skf18("5","7","7","10","3","6","1") = "9"
    & skf18("5","7","7","10","3","7","1") = "9"
    & skf18("5","7","7","10","3","8","1") = "9"
    & skf18("5","7","7","10","3","9","1") = "9"
    & skf18("5","7","7","10","3","10","1") = "9"
    & skf18("5","7","7","10","4","1","1") = "9"
    & skf18("5","7","7","10","4","2","1") = "9"
    & skf18("5","7","7","10","4","3","1") = "9"
    & skf18("5","7","7","10","4","4","1") = "9"
    & skf18("5","7","7","10","4","5","1") = "9"
    & skf18("5","7","7","10","4","6","1") = "9"
    & skf18("5","7","7","10","4","7","1") = "9"
    & skf18("5","7","7","10","4","8","1") = "9"
    & skf18("5","7","7","10","4","9","1") = "9"
    & skf18("5","7","7","10","4","10","1") = "9"
    & skf18("5","7","7","10","5","1","1") = "9"
    & skf18("5","7","7","10","5","2","1") = "9"
    & skf18("5","7","7","10","5","3","1") = "9"
    & skf18("5","7","7","10","5","4","1") = "9"
    & skf18("5","7","7","10","5","5","1") = "9"
    & skf18("5","7","7","10","5","6","1") = "9"
    & skf18("5","7","7","10","5","7","1") = "9"
    & skf18("5","7","7","10","5","8","1") = "9"
    & skf18("5","7","7","10","5","9","1") = "9"
    & skf18("5","7","7","10","5","10","1") = "9"
    & skf18("5","7","7","10","6","1","1") = "9"
    & skf18("5","7","7","10","6","2","1") = "9"
    & skf18("5","7","7","10","6","3","1") = "9"
    & skf18("5","7","7","10","6","4","1") = "9"
    & skf18("5","7","7","10","6","5","1") = "9"
    & skf18("5","7","7","10","6","6","1") = "9"
    & skf18("5","7","7","10","6","7","1") = "9"
    & skf18("5","7","7","10","6","8","1") = "9"
    & skf18("5","7","7","10","6","9","1") = "9"
    & skf18("5","7","7","10","6","10","1") = "9"
    & skf18("5","7","7","10","7","1","1") = "9"
    & skf18("5","7","7","10","7","2","1") = "9"
    & skf18("5","7","7","10","7","3","1") = "9"
    & skf18("5","7","7","10","7","4","1") = "9"
    & skf18("5","7","7","10","7","5","1") = "9"
    & skf18("5","7","7","10","7","6","1") = "9"
    & skf18("5","7","7","10","7","7","1") = "9"
    & skf18("5","7","7","10","7","8","1") = "9"
    & skf18("5","7","7","10","7","9","1") = "9"
    & skf18("5","7","7","10","7","10","1") = "9"
    & skf18("5","7","7","10","8","1","1") = "9"
    & skf18("5","7","7","10","8","2","1") = "9"
    & skf18("5","7","7","10","8","3","1") = "9"
    & skf18("5","7","7","10","8","4","1") = "9"
    & skf18("5","7","7","10","8","5","1") = "9"
    & skf18("5","7","7","10","8","6","1") = "9"
    & skf18("5","7","7","10","8","7","1") = "9"
    & skf18("5","7","7","10","8","8","1") = "9"
    & skf18("5","7","7","10","8","9","1") = "9"
    & skf18("5","7","7","10","8","10","1") = "9"
    & skf18("5","7","7","10","9","1","1") = "9"
    & skf18("5","7","7","10","9","2","1") = "9"
    & skf18("5","7","7","10","9","3","1") = "9"
    & skf18("5","7","7","10","9","4","1") = "9"
    & skf18("5","7","7","10","9","5","1") = "9"
    & skf18("5","7","7","10","9","6","1") = "9"
    & skf18("5","7","7","10","9","7","1") = "9"
    & skf18("5","7","7","10","9","8","1") = "9"
    & skf18("5","7","7","10","9","9","1") = "9"
    & skf18("5","7","7","10","9","10","1") = "9"
    & skf18("5","7","7","10","10","1","1") = "9"
    & skf18("5","7","7","10","10","2","1") = "9"
    & skf18("5","7","7","10","10","3","1") = "9"
    & skf18("5","7","7","10","10","4","1") = "9"
    & skf18("5","7","7","10","10","5","1") = "9"
    & skf18("5","7","7","10","10","6","1") = "9"
    & skf18("5","7","7","10","10","7","1") = "9"
    & skf18("5","7","7","10","10","8","1") = "9"
    & skf18("5","7","7","10","10","9","1") = "9"
    & skf18("5","7","7","10","10","10","1") = "9"
    & skf18("5","7","8","1","1","1","1") = "7"
    & skf18("5","7","8","1","1","2","1") = "7"
    & skf18("5","7","8","1","1","3","1") = "7"
    & skf18("5","7","8","1","1","4","1") = "7"
    & skf18("5","7","8","1","1","5","1") = "7"
    & skf18("5","7","8","1","1","6","1") = "7"
    & skf18("5","7","8","1","1","7","1") = "7"
    & skf18("5","7","8","1","1","8","1") = "7"
    & skf18("5","7","8","1","1","9","1") = "8"
    & skf18("5","7","8","1","1","10","1") = "9"
    & skf18("5","7","8","1","2","1","1") = "7"
    & skf18("5","7","8","1","2","2","1") = "7"
    & skf18("5","7","8","1","2","3","1") = "7"
    & skf18("5","7","8","1","2","4","1") = "7"
    & skf18("5","7","8","1","2","5","1") = "7"
    & skf18("5","7","8","1","2","6","1") = "7"
    & skf18("5","7","8","1","2","7","1") = "7"
    & skf18("5","7","8","1","2","8","1") = "7"
    & skf18("5","7","8","1","2","9","1") = "8"
    & skf18("5","7","8","1","2","10","1") = "9"
    & skf18("5","7","8","1","3","1","1") = "7"
    & skf18("5","7","8","1","3","2","1") = "7"
    & skf18("5","7","8","1","3","3","1") = "7"
    & skf18("5","7","8","1","3","4","1") = "7"
    & skf18("5","7","8","1","3","5","1") = "7"
    & skf18("5","7","8","1","3","6","1") = "7"
    & skf18("5","7","8","1","3","7","1") = "7"
    & skf18("5","7","8","1","3","8","1") = "7"
    & skf18("5","7","8","1","3","9","1") = "8"
    & skf18("5","7","8","1","3","10","1") = "9"
    & skf18("5","7","8","1","4","1","1") = "7"
    & skf18("5","7","8","1","4","2","1") = "7"
    & skf18("5","7","8","1","4","3","1") = "7"
    & skf18("5","7","8","1","4","4","1") = "7"
    & skf18("5","7","8","1","4","5","1") = "7"
    & skf18("5","7","8","1","4","6","1") = "7"
    & skf18("5","7","8","1","4","7","1") = "7"
    & skf18("5","7","8","1","4","8","1") = "7"
    & skf18("5","7","8","1","4","9","1") = "8"
    & skf18("5","7","8","1","4","10","1") = "9"
    & skf18("5","7","8","1","5","1","1") = "7"
    & skf18("5","7","8","1","5","2","1") = "7"
    & skf18("5","7","8","1","5","3","1") = "7"
    & skf18("5","7","8","1","5","4","1") = "7"
    & skf18("5","7","8","1","5","5","1") = "7"
    & skf18("5","7","8","1","5","6","1") = "7"
    & skf18("5","7","8","1","5","7","1") = "7"
    & skf18("5","7","8","1","5","8","1") = "7"
    & skf18("5","7","8","1","5","9","1") = "8"
    & skf18("5","7","8","1","5","10","1") = "9"
    & skf18("5","7","8","1","6","1","1") = "7"
    & skf18("5","7","8","1","6","2","1") = "7"
    & skf18("5","7","8","1","6","3","1") = "7"
    & skf18("5","7","8","1","6","4","1") = "7"
    & skf18("5","7","8","1","6","5","1") = "7"
    & skf18("5","7","8","1","6","6","1") = "7"
    & skf18("5","7","8","1","6","7","1") = "7"
    & skf18("5","7","8","1","6","8","1") = "7"
    & skf18("5","7","8","1","6","9","1") = "8"
    & skf18("5","7","8","1","6","10","1") = "9"
    & skf18("5","7","8","1","7","1","1") = "7"
    & skf18("5","7","8","1","7","2","1") = "7"
    & skf18("5","7","8","1","7","3","1") = "7"
    & skf18("5","7","8","1","7","4","1") = "7"
    & skf18("5","7","8","1","7","5","1") = "7"
    & skf18("5","7","8","1","7","6","1") = "7"
    & skf18("5","7","8","1","7","7","1") = "7"
    & skf18("5","7","8","1","7","8","1") = "7"
    & skf18("5","7","8","1","7","9","1") = "8"
    & skf18("5","7","8","1","7","10","1") = "9"
    & skf18("5","7","8","1","8","1","1") = "7"
    & skf18("5","7","8","1","8","2","1") = "7"
    & skf18("5","7","8","1","8","3","1") = "7"
    & skf18("5","7","8","1","8","4","1") = "7"
    & skf18("5","7","8","1","8","5","1") = "7"
    & skf18("5","7","8","1","8","6","1") = "7"
    & skf18("5","7","8","1","8","7","1") = "7"
    & skf18("5","7","8","1","8","8","1") = "7"
    & skf18("5","7","8","1","8","9","1") = "8"
    & skf18("5","7","8","1","8","10","1") = "9"
    & skf18("5","7","8","1","9","1","1") = "8"
    & skf18("5","7","8","1","9","2","1") = "8"
    & skf18("5","7","8","1","9","3","1") = "8"
    & skf18("5","7","8","1","9","4","1") = "8"
    & skf18("5","7","8","1","9","5","1") = "8"
    & skf18("5","7","8","1","9","6","1") = "8"
    & skf18("5","7","8","1","9","7","1") = "8"
    & skf18("5","7","8","1","9","8","1") = "8"
    & skf18("5","7","8","1","9","9","1") = "8"
    & skf18("5","7","8","1","9","10","1") = "9"
    & skf18("5","7","8","1","10","1","1") = "9"
    & skf18("5","7","8","1","10","2","1") = "9"
    & skf18("5","7","8","1","10","3","1") = "9"
    & skf18("5","7","8","1","10","4","1") = "9"
    & skf18("5","7","8","1","10","5","1") = "9"
    & skf18("5","7","8","1","10","6","1") = "9"
    & skf18("5","7","8","1","10","7","1") = "9"
    & skf18("5","7","8","1","10","8","1") = "9"
    & skf18("5","7","8","1","10","9","1") = "9"
    & skf18("5","7","8","1","10","10","1") = "9"
    & skf18("5","7","8","2","1","1","1") = "7"
    & skf18("5","7","8","2","1","2","1") = "7"
    & skf18("5","7","8","2","1","3","1") = "7"
    & skf18("5","7","8","2","1","4","1") = "7"
    & skf18("5","7","8","2","1","5","1") = "7"
    & skf18("5","7","8","2","1","6","1") = "7"
    & skf18("5","7","8","2","1","7","1") = "7"
    & skf18("5","7","8","2","1","8","1") = "7"
    & skf18("5","7","8","2","1","9","1") = "8"
    & skf18("5","7","8","2","1","10","1") = "9"
    & skf18("5","7","8","2","2","1","1") = "7"
    & skf18("5","7","8","2","2","2","1") = "7"
    & skf18("5","7","8","2","2","3","1") = "7"
    & skf18("5","7","8","2","2","4","1") = "7"
    & skf18("5","7","8","2","2","5","1") = "7"
    & skf18("5","7","8","2","2","6","1") = "7"
    & skf18("5","7","8","2","2","7","1") = "7"
    & skf18("5","7","8","2","2","8","1") = "7"
    & skf18("5","7","8","2","2","9","1") = "8"
    & skf18("5","7","8","2","2","10","1") = "9"
    & skf18("5","7","8","2","3","1","1") = "7"
    & skf18("5","7","8","2","3","2","1") = "7"
    & skf18("5","7","8","2","3","3","1") = "7"
    & skf18("5","7","8","2","3","4","1") = "7"
    & skf18("5","7","8","2","3","5","1") = "7"
    & skf18("5","7","8","2","3","6","1") = "7"
    & skf18("5","7","8","2","3","7","1") = "7"
    & skf18("5","7","8","2","3","8","1") = "7"
    & skf18("5","7","8","2","3","9","1") = "8"
    & skf18("5","7","8","2","3","10","1") = "9"
    & skf18("5","7","8","2","4","1","1") = "7"
    & skf18("5","7","8","2","4","2","1") = "7"
    & skf18("5","7","8","2","4","3","1") = "7"
    & skf18("5","7","8","2","4","4","1") = "7"
    & skf18("5","7","8","2","4","5","1") = "7"
    & skf18("5","7","8","2","4","6","1") = "7"
    & skf18("5","7","8","2","4","7","1") = "7"
    & skf18("5","7","8","2","4","8","1") = "7"
    & skf18("5","7","8","2","4","9","1") = "8"
    & skf18("5","7","8","2","4","10","1") = "9"
    & skf18("5","7","8","2","5","1","1") = "7"
    & skf18("5","7","8","2","5","2","1") = "7"
    & skf18("5","7","8","2","5","3","1") = "7"
    & skf18("5","7","8","2","5","4","1") = "7"
    & skf18("5","7","8","2","5","5","1") = "7"
    & skf18("5","7","8","2","5","6","1") = "7"
    & skf18("5","7","8","2","5","7","1") = "7"
    & skf18("5","7","8","2","5","8","1") = "7"
    & skf18("5","7","8","2","5","9","1") = "8"
    & skf18("5","7","8","2","5","10","1") = "9"
    & skf18("5","7","8","2","6","1","1") = "7"
    & skf18("5","7","8","2","6","2","1") = "7"
    & skf18("5","7","8","2","6","3","1") = "7"
    & skf18("5","7","8","2","6","4","1") = "7"
    & skf18("5","7","8","2","6","5","1") = "7"
    & skf18("5","7","8","2","6","6","1") = "7"
    & skf18("5","7","8","2","6","7","1") = "7"
    & skf18("5","7","8","2","6","8","1") = "7"
    & skf18("5","7","8","2","6","9","1") = "8"
    & skf18("5","7","8","2","6","10","1") = "9"
    & skf18("5","7","8","2","7","1","1") = "7"
    & skf18("5","7","8","2","7","2","1") = "7"
    & skf18("5","7","8","2","7","3","1") = "7"
    & skf18("5","7","8","2","7","4","1") = "7"
    & skf18("5","7","8","2","7","5","1") = "7"
    & skf18("5","7","8","2","7","6","1") = "7"
    & skf18("5","7","8","2","7","7","1") = "7"
    & skf18("5","7","8","2","7","8","1") = "7"
    & skf18("5","7","8","2","7","9","1") = "8"
    & skf18("5","7","8","2","7","10","1") = "9"
    & skf18("5","7","8","2","8","1","1") = "7"
    & skf18("5","7","8","2","8","2","1") = "7"
    & skf18("5","7","8","2","8","3","1") = "7"
    & skf18("5","7","8","2","8","4","1") = "7"
    & skf18("5","7","8","2","8","5","1") = "7"
    & skf18("5","7","8","2","8","6","1") = "7"
    & skf18("5","7","8","2","8","7","1") = "7"
    & skf18("5","7","8","2","8","8","1") = "7"
    & skf18("5","7","8","2","8","9","1") = "8"
    & skf18("5","7","8","2","8","10","1") = "9"
    & skf18("5","7","8","2","9","1","1") = "8"
    & skf18("5","7","8","2","9","2","1") = "8"
    & skf18("5","7","8","2","9","3","1") = "8"
    & skf18("5","7","8","2","9","4","1") = "8"
    & skf18("5","7","8","2","9","5","1") = "8"
    & skf18("5","7","8","2","9","6","1") = "8"
    & skf18("5","7","8","2","9","7","1") = "8"
    & skf18("5","7","8","2","9","8","1") = "8"
    & skf18("5","7","8","2","9","9","1") = "8"
    & skf18("5","7","8","2","9","10","1") = "9"
    & skf18("5","7","8","2","10","1","1") = "9"
    & skf18("5","7","8","2","10","2","1") = "9"
    & skf18("5","7","8","2","10","3","1") = "9"
    & skf18("5","7","8","2","10","4","1") = "9"
    & skf18("5","7","8","2","10","5","1") = "9"
    & skf18("5","7","8","2","10","6","1") = "9"
    & skf18("5","7","8","2","10","7","1") = "9"
    & skf18("5","7","8","2","10","8","1") = "9"
    & skf18("5","7","8","2","10","9","1") = "9"
    & skf18("5","7","8","2","10","10","1") = "9"
    & skf18("5","7","8","3","1","1","1") = "7"
    & skf18("5","7","8","3","1","2","1") = "7"
    & skf18("5","7","8","3","1","3","1") = "7"
    & skf18("5","7","8","3","1","4","1") = "7"
    & skf18("5","7","8","3","1","5","1") = "7"
    & skf18("5","7","8","3","1","6","1") = "7"
    & skf18("5","7","8","3","1","7","1") = "7"
    & skf18("5","7","8","3","1","8","1") = "7"
    & skf18("5","7","8","3","1","9","1") = "8"
    & skf18("5","7","8","3","1","10","1") = "9"
    & skf18("5","7","8","3","2","1","1") = "7"
    & skf18("5","7","8","3","2","2","1") = "7"
    & skf18("5","7","8","3","2","3","1") = "7"
    & skf18("5","7","8","3","2","4","1") = "7"
    & skf18("5","7","8","3","2","5","1") = "7"
    & skf18("5","7","8","3","2","6","1") = "7"
    & skf18("5","7","8","3","2","7","1") = "7"
    & skf18("5","7","8","3","2","8","1") = "7"
    & skf18("5","7","8","3","2","9","1") = "8"
    & skf18("5","7","8","3","2","10","1") = "9"
    & skf18("5","7","8","3","3","1","1") = "7"
    & skf18("5","7","8","3","3","2","1") = "7"
    & skf18("5","7","8","3","3","3","1") = "7"
    & skf18("5","7","8","3","3","4","1") = "7"
    & skf18("5","7","8","3","3","5","1") = "7"
    & skf18("5","7","8","3","3","6","1") = "7"
    & skf18("5","7","8","3","3","7","1") = "7"
    & skf18("5","7","8","3","3","8","1") = "7"
    & skf18("5","7","8","3","3","9","1") = "8"
    & skf18("5","7","8","3","3","10","1") = "9"
    & skf18("5","7","8","3","4","1","1") = "7"
    & skf18("5","7","8","3","4","2","1") = "7"
    & skf18("5","7","8","3","4","3","1") = "7"
    & skf18("5","7","8","3","4","4","1") = "7"
    & skf18("5","7","8","3","4","5","1") = "7"
    & skf18("5","7","8","3","4","6","1") = "7"
    & skf18("5","7","8","3","4","7","1") = "7"
    & skf18("5","7","8","3","4","8","1") = "7"
    & skf18("5","7","8","3","4","9","1") = "8"
    & skf18("5","7","8","3","4","10","1") = "9"
    & skf18("5","7","8","3","5","1","1") = "7"
    & skf18("5","7","8","3","5","2","1") = "7"
    & skf18("5","7","8","3","5","3","1") = "7"
    & skf18("5","7","8","3","5","4","1") = "7"
    & skf18("5","7","8","3","5","5","1") = "7"
    & skf18("5","7","8","3","5","6","1") = "7"
    & skf18("5","7","8","3","5","7","1") = "7"
    & skf18("5","7","8","3","5","8","1") = "7"
    & skf18("5","7","8","3","5","9","1") = "8"
    & skf18("5","7","8","3","5","10","1") = "9"
    & skf18("5","7","8","3","6","1","1") = "7"
    & skf18("5","7","8","3","6","2","1") = "7"
    & skf18("5","7","8","3","6","3","1") = "7"
    & skf18("5","7","8","3","6","4","1") = "7"
    & skf18("5","7","8","3","6","5","1") = "7"
    & skf18("5","7","8","3","6","6","1") = "7"
    & skf18("5","7","8","3","6","7","1") = "7"
    & skf18("5","7","8","3","6","8","1") = "7"
    & skf18("5","7","8","3","6","9","1") = "8"
    & skf18("5","7","8","3","6","10","1") = "9"
    & skf18("5","7","8","3","7","1","1") = "7"
    & skf18("5","7","8","3","7","2","1") = "7"
    & skf18("5","7","8","3","7","3","1") = "7"
    & skf18("5","7","8","3","7","4","1") = "7"
    & skf18("5","7","8","3","7","5","1") = "7"
    & skf18("5","7","8","3","7","6","1") = "7"
    & skf18("5","7","8","3","7","7","1") = "7"
    & skf18("5","7","8","3","7","8","1") = "7"
    & skf18("5","7","8","3","7","9","1") = "8"
    & skf18("5","7","8","3","7","10","1") = "9"
    & skf18("5","7","8","3","8","1","1") = "7"
    & skf18("5","7","8","3","8","2","1") = "7"
    & skf18("5","7","8","3","8","3","1") = "7"
    & skf18("5","7","8","3","8","4","1") = "7"
    & skf18("5","7","8","3","8","5","1") = "7"
    & skf18("5","7","8","3","8","6","1") = "7"
    & skf18("5","7","8","3","8","7","1") = "7"
    & skf18("5","7","8","3","8","8","1") = "7"
    & skf18("5","7","8","3","8","9","1") = "8"
    & skf18("5","7","8","3","8","10","1") = "9"
    & skf18("5","7","8","3","9","1","1") = "8"
    & skf18("5","7","8","3","9","2","1") = "8"
    & skf18("5","7","8","3","9","3","1") = "8"
    & skf18("5","7","8","3","9","4","1") = "8"
    & skf18("5","7","8","3","9","5","1") = "8"
    & skf18("5","7","8","3","9","6","1") = "8"
    & skf18("5","7","8","3","9","7","1") = "8"
    & skf18("5","7","8","3","9","8","1") = "8"
    & skf18("5","7","8","3","9","9","1") = "8"
    & skf18("5","7","8","3","9","10","1") = "9"
    & skf18("5","7","8","3","10","1","1") = "9"
    & skf18("5","7","8","3","10","2","1") = "9"
    & skf18("5","7","8","3","10","3","1") = "9"
    & skf18("5","7","8","3","10","4","1") = "9"
    & skf18("5","7","8","3","10","5","1") = "9"
    & skf18("5","7","8","3","10","6","1") = "9"
    & skf18("5","7","8","3","10","7","1") = "9"
    & skf18("5","7","8","3","10","8","1") = "9"
    & skf18("5","7","8","3","10","9","1") = "9"
    & skf18("5","7","8","3","10","10","1") = "9"
    & skf18("5","7","8","4","1","1","1") = "7"
    & skf18("5","7","8","4","1","2","1") = "7"
    & skf18("5","7","8","4","1","3","1") = "7"
    & skf18("5","7","8","4","1","4","1") = "7"
    & skf18("5","7","8","4","1","5","1") = "7"
    & skf18("5","7","8","4","1","6","1") = "7"
    & skf18("5","7","8","4","1","7","1") = "7"
    & skf18("5","7","8","4","1","8","1") = "7"
    & skf18("5","7","8","4","1","9","1") = "8"
    & skf18("5","7","8","4","1","10","1") = "9"
    & skf18("5","7","8","4","2","1","1") = "7"
    & skf18("5","7","8","4","2","2","1") = "7"
    & skf18("5","7","8","4","2","3","1") = "7"
    & skf18("5","7","8","4","2","4","1") = "7"
    & skf18("5","7","8","4","2","5","1") = "7"
    & skf18("5","7","8","4","2","6","1") = "7"
    & skf18("5","7","8","4","2","7","1") = "7"
    & skf18("5","7","8","4","2","8","1") = "7"
    & skf18("5","7","8","4","2","9","1") = "8"
    & skf18("5","7","8","4","2","10","1") = "9"
    & skf18("5","7","8","4","3","1","1") = "7"
    & skf18("5","7","8","4","3","2","1") = "7"
    & skf18("5","7","8","4","3","3","1") = "7"
    & skf18("5","7","8","4","3","4","1") = "7"
    & skf18("5","7","8","4","3","5","1") = "7"
    & skf18("5","7","8","4","3","6","1") = "7"
    & skf18("5","7","8","4","3","7","1") = "7"
    & skf18("5","7","8","4","3","8","1") = "7"
    & skf18("5","7","8","4","3","9","1") = "8"
    & skf18("5","7","8","4","3","10","1") = "9"
    & skf18("5","7","8","4","4","1","1") = "7"
    & skf18("5","7","8","4","4","2","1") = "7"
    & skf18("5","7","8","4","4","3","1") = "7"
    & skf18("5","7","8","4","4","4","1") = "7"
    & skf18("5","7","8","4","4","5","1") = "7"
    & skf18("5","7","8","4","4","6","1") = "7"
    & skf18("5","7","8","4","4","7","1") = "7"
    & skf18("5","7","8","4","4","8","1") = "7"
    & skf18("5","7","8","4","4","9","1") = "8"
    & skf18("5","7","8","4","4","10","1") = "9"
    & skf18("5","7","8","4","5","1","1") = "7"
    & skf18("5","7","8","4","5","2","1") = "7"
    & skf18("5","7","8","4","5","3","1") = "7"
    & skf18("5","7","8","4","5","4","1") = "7"
    & skf18("5","7","8","4","5","5","1") = "7"
    & skf18("5","7","8","4","5","6","1") = "7"
    & skf18("5","7","8","4","5","7","1") = "7"
    & skf18("5","7","8","4","5","8","1") = "7"
    & skf18("5","7","8","4","5","9","1") = "8"
    & skf18("5","7","8","4","5","10","1") = "9"
    & skf18("5","7","8","4","6","1","1") = "7"
    & skf18("5","7","8","4","6","2","1") = "7"
    & skf18("5","7","8","4","6","3","1") = "7"
    & skf18("5","7","8","4","6","4","1") = "7"
    & skf18("5","7","8","4","6","5","1") = "7"
    & skf18("5","7","8","4","6","6","1") = "7"
    & skf18("5","7","8","4","6","7","1") = "7"
    & skf18("5","7","8","4","6","8","1") = "7"
    & skf18("5","7","8","4","6","9","1") = "8"
    & skf18("5","7","8","4","6","10","1") = "9"
    & skf18("5","7","8","4","7","1","1") = "7"
    & skf18("5","7","8","4","7","2","1") = "7"
    & skf18("5","7","8","4","7","3","1") = "7"
    & skf18("5","7","8","4","7","4","1") = "7"
    & skf18("5","7","8","4","7","5","1") = "7"
    & skf18("5","7","8","4","7","6","1") = "7"
    & skf18("5","7","8","4","7","7","1") = "7"
    & skf18("5","7","8","4","7","8","1") = "7"
    & skf18("5","7","8","4","7","9","1") = "8"
    & skf18("5","7","8","4","7","10","1") = "9"
    & skf18("5","7","8","4","8","1","1") = "7"
    & skf18("5","7","8","4","8","2","1") = "7"
    & skf18("5","7","8","4","8","3","1") = "7"
    & skf18("5","7","8","4","8","4","1") = "7"
    & skf18("5","7","8","4","8","5","1") = "7"
    & skf18("5","7","8","4","8","6","1") = "7"
    & skf18("5","7","8","4","8","7","1") = "7"
    & skf18("5","7","8","4","8","8","1") = "7"
    & skf18("5","7","8","4","8","9","1") = "8"
    & skf18("5","7","8","4","8","10","1") = "9"
    & skf18("5","7","8","4","9","1","1") = "8"
    & skf18("5","7","8","4","9","2","1") = "8"
    & skf18("5","7","8","4","9","3","1") = "8"
    & skf18("5","7","8","4","9","4","1") = "8"
    & skf18("5","7","8","4","9","5","1") = "8"
    & skf18("5","7","8","4","9","6","1") = "8"
    & skf18("5","7","8","4","9","7","1") = "8"
    & skf18("5","7","8","4","9","8","1") = "8"
    & skf18("5","7","8","4","9","9","1") = "8"
    & skf18("5","7","8","4","9","10","1") = "9"
    & skf18("5","7","8","4","10","1","1") = "9"
    & skf18("5","7","8","4","10","2","1") = "9"
    & skf18("5","7","8","4","10","3","1") = "9"
    & skf18("5","7","8","4","10","4","1") = "9"
    & skf18("5","7","8","4","10","5","1") = "9"
    & skf18("5","7","8","4","10","6","1") = "9"
    & skf18("5","7","8","4","10","7","1") = "9"
    & skf18("5","7","8","4","10","8","1") = "9"
    & skf18("5","7","8","4","10","9","1") = "9"
    & skf18("5","7","8","4","10","10","1") = "9"
    & skf18("5","7","8","5","1","1","1") = "7"
    & skf18("5","7","8","5","1","2","1") = "7"
    & skf18("5","7","8","5","1","3","1") = "7"
    & skf18("5","7","8","5","1","4","1") = "7"
    & skf18("5","7","8","5","1","5","1") = "7"
    & skf18("5","7","8","5","1","6","1") = "7"
    & skf18("5","7","8","5","1","7","1") = "7"
    & skf18("5","7","8","5","1","8","1") = "7"
    & skf18("5","7","8","5","1","9","1") = "8"
    & skf18("5","7","8","5","1","10","1") = "9"
    & skf18("5","7","8","5","2","1","1") = "7"
    & skf18("5","7","8","5","2","2","1") = "7"
    & skf18("5","7","8","5","2","3","1") = "7"
    & skf18("5","7","8","5","2","4","1") = "7"
    & skf18("5","7","8","5","2","5","1") = "7"
    & skf18("5","7","8","5","2","6","1") = "7"
    & skf18("5","7","8","5","2","7","1") = "7"
    & skf18("5","7","8","5","2","8","1") = "7"
    & skf18("5","7","8","5","2","9","1") = "8"
    & skf18("5","7","8","5","2","10","1") = "9"
    & skf18("5","7","8","5","3","1","1") = "7"
    & skf18("5","7","8","5","3","2","1") = "7"
    & skf18("5","7","8","5","3","3","1") = "7"
    & skf18("5","7","8","5","3","4","1") = "7"
    & skf18("5","7","8","5","3","5","1") = "7"
    & skf18("5","7","8","5","3","6","1") = "7"
    & skf18("5","7","8","5","3","7","1") = "7"
    & skf18("5","7","8","5","3","8","1") = "7"
    & skf18("5","7","8","5","3","9","1") = "8"
    & skf18("5","7","8","5","3","10","1") = "9"
    & skf18("5","7","8","5","4","1","1") = "7"
    & skf18("5","7","8","5","4","2","1") = "7"
    & skf18("5","7","8","5","4","3","1") = "7"
    & skf18("5","7","8","5","4","4","1") = "7"
    & skf18("5","7","8","5","4","5","1") = "7"
    & skf18("5","7","8","5","4","6","1") = "7"
    & skf18("5","7","8","5","4","7","1") = "7"
    & skf18("5","7","8","5","4","8","1") = "7"
    & skf18("5","7","8","5","4","9","1") = "8"
    & skf18("5","7","8","5","4","10","1") = "9"
    & skf18("5","7","8","5","5","1","1") = "7"
    & skf18("5","7","8","5","5","2","1") = "7"
    & skf18("5","7","8","5","5","3","1") = "7"
    & skf18("5","7","8","5","5","4","1") = "7"
    & skf18("5","7","8","5","5","5","1") = "7"
    & skf18("5","7","8","5","5","6","1") = "7"
    & skf18("5","7","8","5","5","7","1") = "7"
    & skf18("5","7","8","5","5","8","1") = "7"
    & skf18("5","7","8","5","5","9","1") = "8"
    & skf18("5","7","8","5","5","10","1") = "9"
    & skf18("5","7","8","5","6","1","1") = "7"
    & skf18("5","7","8","5","6","2","1") = "7"
    & skf18("5","7","8","5","6","3","1") = "7"
    & skf18("5","7","8","5","6","4","1") = "7"
    & skf18("5","7","8","5","6","5","1") = "7"
    & skf18("5","7","8","5","6","6","1") = "7"
    & skf18("5","7","8","5","6","7","1") = "7"
    & skf18("5","7","8","5","6","8","1") = "7"
    & skf18("5","7","8","5","6","9","1") = "8"
    & skf18("5","7","8","5","6","10","1") = "9"
    & skf18("5","7","8","5","7","1","1") = "7"
    & skf18("5","7","8","5","7","2","1") = "7"
    & skf18("5","7","8","5","7","3","1") = "7"
    & skf18("5","7","8","5","7","4","1") = "7"
    & skf18("5","7","8","5","7","5","1") = "7"
    & skf18("5","7","8","5","7","6","1") = "7"
    & skf18("5","7","8","5","7","7","1") = "7"
    & skf18("5","7","8","5","7","8","1") = "7"
    & skf18("5","7","8","5","7","9","1") = "8"
    & skf18("5","7","8","5","7","10","1") = "9"
    & skf18("5","7","8","5","8","1","1") = "7"
    & skf18("5","7","8","5","8","2","1") = "7"
    & skf18("5","7","8","5","8","3","1") = "7"
    & skf18("5","7","8","5","8","4","1") = "7"
    & skf18("5","7","8","5","8","5","1") = "7"
    & skf18("5","7","8","5","8","6","1") = "7"
    & skf18("5","7","8","5","8","7","1") = "7"
    & skf18("5","7","8","5","8","8","1") = "7"
    & skf18("5","7","8","5","8","9","1") = "8"
    & skf18("5","7","8","5","8","10","1") = "9"
    & skf18("5","7","8","5","9","1","1") = "8"
    & skf18("5","7","8","5","9","2","1") = "8"
    & skf18("5","7","8","5","9","3","1") = "8"
    & skf18("5","7","8","5","9","4","1") = "8"
    & skf18("5","7","8","5","9","5","1") = "8"
    & skf18("5","7","8","5","9","6","1") = "8"
    & skf18("5","7","8","5","9","7","1") = "8"
    & skf18("5","7","8","5","9","8","1") = "8"
    & skf18("5","7","8","5","9","9","1") = "8"
    & skf18("5","7","8","5","9","10","1") = "9"
    & skf18("5","7","8","5","10","1","1") = "9"
    & skf18("5","7","8","5","10","2","1") = "9"
    & skf18("5","7","8","5","10","3","1") = "9"
    & skf18("5","7","8","5","10","4","1") = "9"
    & skf18("5","7","8","5","10","5","1") = "9"
    & skf18("5","7","8","5","10","6","1") = "9"
    & skf18("5","7","8","5","10","7","1") = "9"
    & skf18("5","7","8","5","10","8","1") = "9"
    & skf18("5","7","8","5","10","9","1") = "9"
    & skf18("5","7","8","5","10","10","1") = "9"
    & skf18("5","7","8","6","1","1","1") = "7"
    & skf18("5","7","8","6","1","2","1") = "7"
    & skf18("5","7","8","6","1","3","1") = "7"
    & skf18("5","7","8","6","1","4","1") = "7"
    & skf18("5","7","8","6","1","5","1") = "7"
    & skf18("5","7","8","6","1","6","1") = "7"
    & skf18("5","7","8","6","1","7","1") = "7"
    & skf18("5","7","8","6","1","8","1") = "7"
    & skf18("5","7","8","6","1","9","1") = "8"
    & skf18("5","7","8","6","1","10","1") = "9"
    & skf18("5","7","8","6","2","1","1") = "7"
    & skf18("5","7","8","6","2","2","1") = "7"
    & skf18("5","7","8","6","2","3","1") = "7"
    & skf18("5","7","8","6","2","4","1") = "7"
    & skf18("5","7","8","6","2","5","1") = "7"
    & skf18("5","7","8","6","2","6","1") = "7"
    & skf18("5","7","8","6","2","7","1") = "7"
    & skf18("5","7","8","6","2","8","1") = "7"
    & skf18("5","7","8","6","2","9","1") = "8"
    & skf18("5","7","8","6","2","10","1") = "9"
    & skf18("5","7","8","6","3","1","1") = "7"
    & skf18("5","7","8","6","3","2","1") = "7"
    & skf18("5","7","8","6","3","3","1") = "7"
    & skf18("5","7","8","6","3","4","1") = "7"
    & skf18("5","7","8","6","3","5","1") = "7"
    & skf18("5","7","8","6","3","6","1") = "7"
    & skf18("5","7","8","6","3","7","1") = "7"
    & skf18("5","7","8","6","3","8","1") = "7"
    & skf18("5","7","8","6","3","9","1") = "8"
    & skf18("5","7","8","6","3","10","1") = "9"
    & skf18("5","7","8","6","4","1","1") = "7"
    & skf18("5","7","8","6","4","2","1") = "7"
    & skf18("5","7","8","6","4","3","1") = "7"
    & skf18("5","7","8","6","4","4","1") = "7"
    & skf18("5","7","8","6","4","5","1") = "7"
    & skf18("5","7","8","6","4","6","1") = "7"
    & skf18("5","7","8","6","4","7","1") = "7"
    & skf18("5","7","8","6","4","8","1") = "7"
    & skf18("5","7","8","6","4","9","1") = "8"
    & skf18("5","7","8","6","4","10","1") = "9"
    & skf18("5","7","8","6","5","1","1") = "7"
    & skf18("5","7","8","6","5","2","1") = "7"
    & skf18("5","7","8","6","5","3","1") = "7"
    & skf18("5","7","8","6","5","4","1") = "7"
    & skf18("5","7","8","6","5","5","1") = "7"
    & skf18("5","7","8","6","5","6","1") = "7"
    & skf18("5","7","8","6","5","7","1") = "7"
    & skf18("5","7","8","6","5","8","1") = "7"
    & skf18("5","7","8","6","5","9","1") = "8"
    & skf18("5","7","8","6","5","10","1") = "9"
    & skf18("5","7","8","6","6","1","1") = "7"
    & skf18("5","7","8","6","6","2","1") = "7"
    & skf18("5","7","8","6","6","3","1") = "7"
    & skf18("5","7","8","6","6","4","1") = "7"
    & skf18("5","7","8","6","6","5","1") = "7"
    & skf18("5","7","8","6","6","6","1") = "7"
    & skf18("5","7","8","6","6","7","1") = "7"
    & skf18("5","7","8","6","6","8","1") = "7"
    & skf18("5","7","8","6","6","9","1") = "8"
    & skf18("5","7","8","6","6","10","1") = "9"
    & skf18("5","7","8","6","7","1","1") = "7"
    & skf18("5","7","8","6","7","2","1") = "7"
    & skf18("5","7","8","6","7","3","1") = "7"
    & skf18("5","7","8","6","7","4","1") = "7"
    & skf18("5","7","8","6","7","5","1") = "7"
    & skf18("5","7","8","6","7","6","1") = "7"
    & skf18("5","7","8","6","7","7","1") = "7"
    & skf18("5","7","8","6","7","8","1") = "7"
    & skf18("5","7","8","6","7","9","1") = "8"
    & skf18("5","7","8","6","7","10","1") = "9"
    & skf18("5","7","8","6","8","1","1") = "7"
    & skf18("5","7","8","6","8","2","1") = "7"
    & skf18("5","7","8","6","8","3","1") = "7"
    & skf18("5","7","8","6","8","4","1") = "7"
    & skf18("5","7","8","6","8","5","1") = "7"
    & skf18("5","7","8","6","8","6","1") = "7"
    & skf18("5","7","8","6","8","7","1") = "7"
    & skf18("5","7","8","6","8","8","1") = "7"
    & skf18("5","7","8","6","8","9","1") = "8"
    & skf18("5","7","8","6","8","10","1") = "9"
    & skf18("5","7","8","6","9","1","1") = "8"
    & skf18("5","7","8","6","9","2","1") = "8"
    & skf18("5","7","8","6","9","3","1") = "8"
    & skf18("5","7","8","6","9","4","1") = "8"
    & skf18("5","7","8","6","9","5","1") = "8"
    & skf18("5","7","8","6","9","6","1") = "8"
    & skf18("5","7","8","6","9","7","1") = "8"
    & skf18("5","7","8","6","9","8","1") = "8"
    & skf18("5","7","8","6","9","9","1") = "8"
    & skf18("5","7","8","6","9","10","1") = "9"
    & skf18("5","7","8","6","10","1","1") = "9"
    & skf18("5","7","8","6","10","2","1") = "9"
    & skf18("5","7","8","6","10","3","1") = "9"
    & skf18("5","7","8","6","10","4","1") = "9"
    & skf18("5","7","8","6","10","5","1") = "9"
    & skf18("5","7","8","6","10","6","1") = "9"
    & skf18("5","7","8","6","10","7","1") = "9"
    & skf18("5","7","8","6","10","8","1") = "9"
    & skf18("5","7","8","6","10","9","1") = "9"
    & skf18("5","7","8","6","10","10","1") = "9"
    & skf18("5","7","8","7","1","1","1") = "7"
    & skf18("5","7","8","7","1","2","1") = "7"
    & skf18("5","7","8","7","1","3","1") = "7"
    & skf18("5","7","8","7","1","4","1") = "7"
    & skf18("5","7","8","7","1","5","1") = "7"
    & skf18("5","7","8","7","1","6","1") = "7"
    & skf18("5","7","8","7","1","7","1") = "7"
    & skf18("5","7","8","7","1","8","1") = "7"
    & skf18("5","7","8","7","1","9","1") = "8"
    & skf18("5","7","8","7","1","10","1") = "9"
    & skf18("5","7","8","7","2","1","1") = "7"
    & skf18("5","7","8","7","2","2","1") = "7"
    & skf18("5","7","8","7","2","3","1") = "7"
    & skf18("5","7","8","7","2","4","1") = "7"
    & skf18("5","7","8","7","2","5","1") = "7"
    & skf18("5","7","8","7","2","6","1") = "7"
    & skf18("5","7","8","7","2","7","1") = "7"
    & skf18("5","7","8","7","2","8","1") = "7"
    & skf18("5","7","8","7","2","9","1") = "8"
    & skf18("5","7","8","7","2","10","1") = "9"
    & skf18("5","7","8","7","3","1","1") = "7"
    & skf18("5","7","8","7","3","2","1") = "7"
    & skf18("5","7","8","7","3","3","1") = "7"
    & skf18("5","7","8","7","3","4","1") = "7"
    & skf18("5","7","8","7","3","5","1") = "7"
    & skf18("5","7","8","7","3","6","1") = "7"
    & skf18("5","7","8","7","3","7","1") = "7"
    & skf18("5","7","8","7","3","8","1") = "7"
    & skf18("5","7","8","7","3","9","1") = "8"
    & skf18("5","7","8","7","3","10","1") = "9"
    & skf18("5","7","8","7","4","1","1") = "7"
    & skf18("5","7","8","7","4","2","1") = "7"
    & skf18("5","7","8","7","4","3","1") = "7"
    & skf18("5","7","8","7","4","4","1") = "7"
    & skf18("5","7","8","7","4","5","1") = "7"
    & skf18("5","7","8","7","4","6","1") = "7"
    & skf18("5","7","8","7","4","7","1") = "7"
    & skf18("5","7","8","7","4","8","1") = "7"
    & skf18("5","7","8","7","4","9","1") = "8"
    & skf18("5","7","8","7","4","10","1") = "9"
    & skf18("5","7","8","7","5","1","1") = "7"
    & skf18("5","7","8","7","5","2","1") = "7"
    & skf18("5","7","8","7","5","3","1") = "7"
    & skf18("5","7","8","7","5","4","1") = "7"
    & skf18("5","7","8","7","5","5","1") = "7"
    & skf18("5","7","8","7","5","6","1") = "7"
    & skf18("5","7","8","7","5","7","1") = "7"
    & skf18("5","7","8","7","5","8","1") = "7"
    & skf18("5","7","8","7","5","9","1") = "8"
    & skf18("5","7","8","7","5","10","1") = "9"
    & skf18("5","7","8","7","6","1","1") = "7"
    & skf18("5","7","8","7","6","2","1") = "7"
    & skf18("5","7","8","7","6","3","1") = "7"
    & skf18("5","7","8","7","6","4","1") = "7"
    & skf18("5","7","8","7","6","5","1") = "7"
    & skf18("5","7","8","7","6","6","1") = "7"
    & skf18("5","7","8","7","6","7","1") = "7"
    & skf18("5","7","8","7","6","8","1") = "7"
    & skf18("5","7","8","7","6","9","1") = "8"
    & skf18("5","7","8","7","6","10","1") = "9"
    & skf18("5","7","8","7","7","1","1") = "7"
    & skf18("5","7","8","7","7","2","1") = "7"
    & skf18("5","7","8","7","7","3","1") = "7"
    & skf18("5","7","8","7","7","4","1") = "7"
    & skf18("5","7","8","7","7","5","1") = "7"
    & skf18("5","7","8","7","7","6","1") = "7"
    & skf18("5","7","8","7","7","7","1") = "7"
    & skf18("5","7","8","7","7","8","1") = "7"
    & skf18("5","7","8","7","7","9","1") = "8"
    & skf18("5","7","8","7","7","10","1") = "9"
    & skf18("5","7","8","7","8","1","1") = "7"
    & skf18("5","7","8","7","8","2","1") = "7"
    & skf18("5","7","8","7","8","3","1") = "7"
    & skf18("5","7","8","7","8","4","1") = "7"
    & skf18("5","7","8","7","8","5","1") = "7"
    & skf18("5","7","8","7","8","6","1") = "7"
    & skf18("5","7","8","7","8","7","1") = "7"
    & skf18("5","7","8","7","8","8","1") = "7"
    & skf18("5","7","8","7","8","9","1") = "8"
    & skf18("5","7","8","7","8","10","1") = "9"
    & skf18("5","7","8","7","9","1","1") = "8"
    & skf18("5","7","8","7","9","2","1") = "8"
    & skf18("5","7","8","7","9","3","1") = "8"
    & skf18("5","7","8","7","9","4","1") = "8"
    & skf18("5","7","8","7","9","5","1") = "8"
    & skf18("5","7","8","7","9","6","1") = "8"
    & skf18("5","7","8","7","9","7","1") = "8"
    & skf18("5","7","8","7","9","8","1") = "8"
    & skf18("5","7","8","7","9","9","1") = "8"
    & skf18("5","7","8","7","9","10","1") = "9"
    & skf18("5","7","8","7","10","1","1") = "9"
    & skf18("5","7","8","7","10","2","1") = "9"
    & skf18("5","7","8","7","10","3","1") = "9"
    & skf18("5","7","8","7","10","4","1") = "9"
    & skf18("5","7","8","7","10","5","1") = "9"
    & skf18("5","7","8","7","10","6","1") = "9"
    & skf18("5","7","8","7","10","7","1") = "9"
    & skf18("5","7","8","7","10","8","1") = "9"
    & skf18("5","7","8","7","10","9","1") = "9"
    & skf18("5","7","8","7","10","10","1") = "9"
    & skf18("5","7","8","8","1","1","1") = "7"
    & skf18("5","7","8","8","1","2","1") = "7"
    & skf18("5","7","8","8","1","3","1") = "7"
    & skf18("5","7","8","8","1","4","1") = "7"
    & skf18("5","7","8","8","1","5","1") = "7"
    & skf18("5","7","8","8","1","6","1") = "7"
    & skf18("5","7","8","8","1","7","1") = "7"
    & skf18("5","7","8","8","1","8","1") = "7"
    & skf18("5","7","8","8","1","9","1") = "8"
    & skf18("5","7","8","8","1","10","1") = "9"
    & skf18("5","7","8","8","2","1","1") = "7"
    & skf18("5","7","8","8","2","2","1") = "7"
    & skf18("5","7","8","8","2","3","1") = "7"
    & skf18("5","7","8","8","2","4","1") = "7"
    & skf18("5","7","8","8","2","5","1") = "7"
    & skf18("5","7","8","8","2","6","1") = "7"
    & skf18("5","7","8","8","2","7","1") = "7"
    & skf18("5","7","8","8","2","8","1") = "7"
    & skf18("5","7","8","8","2","9","1") = "8"
    & skf18("5","7","8","8","2","10","1") = "9"
    & skf18("5","7","8","8","3","1","1") = "7"
    & skf18("5","7","8","8","3","2","1") = "7"
    & skf18("5","7","8","8","3","3","1") = "7"
    & skf18("5","7","8","8","3","4","1") = "7"
    & skf18("5","7","8","8","3","5","1") = "7"
    & skf18("5","7","8","8","3","6","1") = "7"
    & skf18("5","7","8","8","3","7","1") = "7"
    & skf18("5","7","8","8","3","8","1") = "7"
    & skf18("5","7","8","8","3","9","1") = "8"
    & skf18("5","7","8","8","3","10","1") = "9"
    & skf18("5","7","8","8","4","1","1") = "7"
    & skf18("5","7","8","8","4","2","1") = "7"
    & skf18("5","7","8","8","4","3","1") = "7"
    & skf18("5","7","8","8","4","4","1") = "7"
    & skf18("5","7","8","8","4","5","1") = "7"
    & skf18("5","7","8","8","4","6","1") = "7"
    & skf18("5","7","8","8","4","7","1") = "7"
    & skf18("5","7","8","8","4","8","1") = "7"
    & skf18("5","7","8","8","4","9","1") = "8"
    & skf18("5","7","8","8","4","10","1") = "9"
    & skf18("5","7","8","8","5","1","1") = "7"
    & skf18("5","7","8","8","5","2","1") = "7"
    & skf18("5","7","8","8","5","3","1") = "7"
    & skf18("5","7","8","8","5","4","1") = "7"
    & skf18("5","7","8","8","5","5","1") = "7"
    & skf18("5","7","8","8","5","6","1") = "7"
    & skf18("5","7","8","8","5","7","1") = "7"
    & skf18("5","7","8","8","5","8","1") = "7"
    & skf18("5","7","8","8","5","9","1") = "8"
    & skf18("5","7","8","8","5","10","1") = "9"
    & skf18("5","7","8","8","6","1","1") = "7"
    & skf18("5","7","8","8","6","2","1") = "7"
    & skf18("5","7","8","8","6","3","1") = "7"
    & skf18("5","7","8","8","6","4","1") = "7"
    & skf18("5","7","8","8","6","5","1") = "7"
    & skf18("5","7","8","8","6","6","1") = "7"
    & skf18("5","7","8","8","6","7","1") = "7"
    & skf18("5","7","8","8","6","8","1") = "7"
    & skf18("5","7","8","8","6","9","1") = "8"
    & skf18("5","7","8","8","6","10","1") = "9"
    & skf18("5","7","8","8","7","1","1") = "7"
    & skf18("5","7","8","8","7","2","1") = "7"
    & skf18("5","7","8","8","7","3","1") = "7"
    & skf18("5","7","8","8","7","4","1") = "7"
    & skf18("5","7","8","8","7","5","1") = "7"
    & skf18("5","7","8","8","7","6","1") = "7"
    & skf18("5","7","8","8","7","7","1") = "7"
    & skf18("5","7","8","8","7","8","1") = "7"
    & skf18("5","7","8","8","7","9","1") = "8"
    & skf18("5","7","8","8","7","10","1") = "9"
    & skf18("5","7","8","8","8","1","1") = "7"
    & skf18("5","7","8","8","8","2","1") = "7"
    & skf18("5","7","8","8","8","3","1") = "7"
    & skf18("5","7","8","8","8","4","1") = "7"
    & skf18("5","7","8","8","8","5","1") = "7"
    & skf18("5","7","8","8","8","6","1") = "7"
    & skf18("5","7","8","8","8","7","1") = "7"
    & skf18("5","7","8","8","8","8","1") = "7"
    & skf18("5","7","8","8","8","9","1") = "8"
    & skf18("5","7","8","8","8","10","1") = "9"
    & skf18("5","7","8","8","9","1","1") = "8"
    & skf18("5","7","8","8","9","2","1") = "8"
    & skf18("5","7","8","8","9","3","1") = "8"
    & skf18("5","7","8","8","9","4","1") = "8"
    & skf18("5","7","8","8","9","5","1") = "8"
    & skf18("5","7","8","8","9","6","1") = "8"
    & skf18("5","7","8","8","9","7","1") = "8"
    & skf18("5","7","8","8","9","8","1") = "8"
    & skf18("5","7","8","8","9","9","1") = "8"
    & skf18("5","7","8","8","9","10","1") = "9"
    & skf18("5","7","8","8","10","1","1") = "9"
    & skf18("5","7","8","8","10","2","1") = "9"
    & skf18("5","7","8","8","10","3","1") = "9"
    & skf18("5","7","8","8","10","4","1") = "9"
    & skf18("5","7","8","8","10","5","1") = "9"
    & skf18("5","7","8","8","10","6","1") = "9"
    & skf18("5","7","8","8","10","7","1") = "9"
    & skf18("5","7","8","8","10","8","1") = "9"
    & skf18("5","7","8","8","10","9","1") = "9"
    & skf18("5","7","8","8","10","10","1") = "9"
    & skf18("5","7","8","9","1","1","1") = "8"
    & skf18("5","7","8","9","1","2","1") = "8"
    & skf18("5","7","8","9","1","3","1") = "8"
    & skf18("5","7","8","9","1","4","1") = "8"
    & skf18("5","7","8","9","1","5","1") = "8"
    & skf18("5","7","8","9","1","6","1") = "8"
    & skf18("5","7","8","9","1","7","1") = "8"
    & skf18("5","7","8","9","1","8","1") = "8"
    & skf18("5","7","8","9","1","9","1") = "8"
    & skf18("5","7","8","9","1","10","1") = "9"
    & skf18("5","7","8","9","2","1","1") = "8"
    & skf18("5","7","8","9","2","2","1") = "8"
    & skf18("5","7","8","9","2","3","1") = "8"
    & skf18("5","7","8","9","2","4","1") = "8"
    & skf18("5","7","8","9","2","5","1") = "8"
    & skf18("5","7","8","9","2","6","1") = "8"
    & skf18("5","7","8","9","2","7","1") = "8"
    & skf18("5","7","8","9","2","8","1") = "8"
    & skf18("5","7","8","9","2","9","1") = "8"
    & skf18("5","7","8","9","2","10","1") = "9"
    & skf18("5","7","8","9","3","1","1") = "8"
    & skf18("5","7","8","9","3","2","1") = "8"
    & skf18("5","7","8","9","3","3","1") = "8"
    & skf18("5","7","8","9","3","4","1") = "8"
    & skf18("5","7","8","9","3","5","1") = "8"
    & skf18("5","7","8","9","3","6","1") = "8"
    & skf18("5","7","8","9","3","7","1") = "8"
    & skf18("5","7","8","9","3","8","1") = "8"
    & skf18("5","7","8","9","3","9","1") = "8"
    & skf18("5","7","8","9","3","10","1") = "9"
    & skf18("5","7","8","9","4","1","1") = "8"
    & skf18("5","7","8","9","4","2","1") = "8"
    & skf18("5","7","8","9","4","3","1") = "8"
    & skf18("5","7","8","9","4","4","1") = "8"
    & skf18("5","7","8","9","4","5","1") = "8"
    & skf18("5","7","8","9","4","6","1") = "8"
    & skf18("5","7","8","9","4","7","1") = "8"
    & skf18("5","7","8","9","4","8","1") = "8"
    & skf18("5","7","8","9","4","9","1") = "8"
    & skf18("5","7","8","9","4","10","1") = "9"
    & skf18("5","7","8","9","5","1","1") = "8"
    & skf18("5","7","8","9","5","2","1") = "8"
    & skf18("5","7","8","9","5","3","1") = "8"
    & skf18("5","7","8","9","5","4","1") = "8"
    & skf18("5","7","8","9","5","5","1") = "8"
    & skf18("5","7","8","9","5","6","1") = "8"
    & skf18("5","7","8","9","5","7","1") = "8"
    & skf18("5","7","8","9","5","8","1") = "8"
    & skf18("5","7","8","9","5","9","1") = "8"
    & skf18("5","7","8","9","5","10","1") = "9"
    & skf18("5","7","8","9","6","1","1") = "8"
    & skf18("5","7","8","9","6","2","1") = "8"
    & skf18("5","7","8","9","6","3","1") = "8"
    & skf18("5","7","8","9","6","4","1") = "8"
    & skf18("5","7","8","9","6","5","1") = "8"
    & skf18("5","7","8","9","6","6","1") = "8"
    & skf18("5","7","8","9","6","7","1") = "8"
    & skf18("5","7","8","9","6","8","1") = "8"
    & skf18("5","7","8","9","6","9","1") = "8"
    & skf18("5","7","8","9","6","10","1") = "9"
    & skf18("5","7","8","9","7","1","1") = "8"
    & skf18("5","7","8","9","7","2","1") = "8"
    & skf18("5","7","8","9","7","3","1") = "8"
    & skf18("5","7","8","9","7","4","1") = "8"
    & skf18("5","7","8","9","7","5","1") = "8"
    & skf18("5","7","8","9","7","6","1") = "8"
    & skf18("5","7","8","9","7","7","1") = "8"
    & skf18("5","7","8","9","7","8","1") = "8"
    & skf18("5","7","8","9","7","9","1") = "8"
    & skf18("5","7","8","9","7","10","1") = "9"
    & skf18("5","7","8","9","8","1","1") = "8"
    & skf18("5","7","8","9","8","2","1") = "8"
    & skf18("5","7","8","9","8","3","1") = "8"
    & skf18("5","7","8","9","8","4","1") = "8"
    & skf18("5","7","8","9","8","5","1") = "8"
    & skf18("5","7","8","9","8","6","1") = "8"
    & skf18("5","7","8","9","8","7","1") = "8"
    & skf18("5","7","8","9","8","8","1") = "8"
    & skf18("5","7","8","9","8","9","1") = "8"
    & skf18("5","7","8","9","8","10","1") = "9"
    & skf18("5","7","8","9","9","1","1") = "8"
    & skf18("5","7","8","9","9","2","1") = "8"
    & skf18("5","7","8","9","9","3","1") = "8"
    & skf18("5","7","8","9","9","4","1") = "8"
    & skf18("5","7","8","9","9","5","1") = "8"
    & skf18("5","7","8","9","9","6","1") = "8"
    & skf18("5","7","8","9","9","7","1") = "8"
    & skf18("5","7","8","9","9","8","1") = "8"
    & skf18("5","7","8","9","9","9","1") = "8"
    & skf18("5","7","8","9","9","10","1") = "9"
    & skf18("5","7","8","9","10","1","1") = "9"
    & skf18("5","7","8","9","10","2","1") = "9"
    & skf18("5","7","8","9","10","3","1") = "9"
    & skf18("5","7","8","9","10","4","1") = "9"
    & skf18("5","7","8","9","10","5","1") = "9"
    & skf18("5","7","8","9","10","6","1") = "9"
    & skf18("5","7","8","9","10","7","1") = "9"
    & skf18("5","7","8","9","10","8","1") = "9"
    & skf18("5","7","8","9","10","9","1") = "9"
    & skf18("5","7","8","9","10","10","1") = "9"
    & skf18("5","7","8","10","1","1","1") = "9"
    & skf18("5","7","8","10","1","2","1") = "9"
    & skf18("5","7","8","10","1","3","1") = "9"
    & skf18("5","7","8","10","1","4","1") = "9"
    & skf18("5","7","8","10","1","5","1") = "9"
    & skf18("5","7","8","10","1","6","1") = "9"
    & skf18("5","7","8","10","1","7","1") = "9"
    & skf18("5","7","8","10","1","8","1") = "9"
    & skf18("5","7","8","10","1","9","1") = "9"
    & skf18("5","7","8","10","1","10","1") = "9"
    & skf18("5","7","8","10","2","1","1") = "9"
    & skf18("5","7","8","10","2","2","1") = "9"
    & skf18("5","7","8","10","2","3","1") = "9"
    & skf18("5","7","8","10","2","4","1") = "9"
    & skf18("5","7","8","10","2","5","1") = "9"
    & skf18("5","7","8","10","2","6","1") = "9"
    & skf18("5","7","8","10","2","7","1") = "9"
    & skf18("5","7","8","10","2","8","1") = "9"
    & skf18("5","7","8","10","2","9","1") = "9"
    & skf18("5","7","8","10","2","10","1") = "9"
    & skf18("5","7","8","10","3","1","1") = "9"
    & skf18("5","7","8","10","3","2","1") = "9"
    & skf18("5","7","8","10","3","3","1") = "9"
    & skf18("5","7","8","10","3","4","1") = "9"
    & skf18("5","7","8","10","3","5","1") = "9"
    & skf18("5","7","8","10","3","6","1") = "9"
    & skf18("5","7","8","10","3","7","1") = "9"
    & skf18("5","7","8","10","3","8","1") = "9"
    & skf18("5","7","8","10","3","9","1") = "9"
    & skf18("5","7","8","10","3","10","1") = "9"
    & skf18("5","7","8","10","4","1","1") = "9"
    & skf18("5","7","8","10","4","2","1") = "9"
    & skf18("5","7","8","10","4","3","1") = "9"
    & skf18("5","7","8","10","4","4","1") = "9"
    & skf18("5","7","8","10","4","5","1") = "9"
    & skf18("5","7","8","10","4","6","1") = "9"
    & skf18("5","7","8","10","4","7","1") = "9"
    & skf18("5","7","8","10","4","8","1") = "9"
    & skf18("5","7","8","10","4","9","1") = "9"
    & skf18("5","7","8","10","4","10","1") = "9"
    & skf18("5","7","8","10","5","1","1") = "9"
    & skf18("5","7","8","10","5","2","1") = "9"
    & skf18("5","7","8","10","5","3","1") = "9"
    & skf18("5","7","8","10","5","4","1") = "9"
    & skf18("5","7","8","10","5","5","1") = "9"
    & skf18("5","7","8","10","5","6","1") = "9"
    & skf18("5","7","8","10","5","7","1") = "9"
    & skf18("5","7","8","10","5","8","1") = "9"
    & skf18("5","7","8","10","5","9","1") = "9"
    & skf18("5","7","8","10","5","10","1") = "9"
    & skf18("5","7","8","10","6","1","1") = "9"
    & skf18("5","7","8","10","6","2","1") = "9"
    & skf18("5","7","8","10","6","3","1") = "9"
    & skf18("5","7","8","10","6","4","1") = "9"
    & skf18("5","7","8","10","6","5","1") = "9"
    & skf18("5","7","8","10","6","6","1") = "9"
    & skf18("5","7","8","10","6","7","1") = "9"
    & skf18("5","7","8","10","6","8","1") = "9"
    & skf18("5","7","8","10","6","9","1") = "9"
    & skf18("5","7","8","10","6","10","1") = "9"
    & skf18("5","7","8","10","7","1","1") = "9"
    & skf18("5","7","8","10","7","2","1") = "9"
    & skf18("5","7","8","10","7","3","1") = "9"
    & skf18("5","7","8","10","7","4","1") = "9"
    & skf18("5","7","8","10","7","5","1") = "9"
    & skf18("5","7","8","10","7","6","1") = "9"
    & skf18("5","7","8","10","7","7","1") = "9"
    & skf18("5","7","8","10","7","8","1") = "9"
    & skf18("5","7","8","10","7","9","1") = "9"
    & skf18("5","7","8","10","7","10","1") = "9"
    & skf18("5","7","8","10","8","1","1") = "9"
    & skf18("5","7","8","10","8","2","1") = "9"
    & skf18("5","7","8","10","8","3","1") = "9"
    & skf18("5","7","8","10","8","4","1") = "9"
    & skf18("5","7","8","10","8","5","1") = "9"
    & skf18("5","7","8","10","8","6","1") = "9"
    & skf18("5","7","8","10","8","7","1") = "9"
    & skf18("5","7","8","10","8","8","1") = "9"
    & skf18("5","7","8","10","8","9","1") = "9"
    & skf18("5","7","8","10","8","10","1") = "9"
    & skf18("5","7","8","10","9","1","1") = "9"
    & skf18("5","7","8","10","9","2","1") = "9"
    & skf18("5","7","8","10","9","3","1") = "9"
    & skf18("5","7","8","10","9","4","1") = "9"
    & skf18("5","7","8","10","9","5","1") = "9"
    & skf18("5","7","8","10","9","6","1") = "9"
    & skf18("5","7","8","10","9","7","1") = "9"
    & skf18("5","7","8","10","9","8","1") = "9"
    & skf18("5","7","8","10","9","9","1") = "9"
    & skf18("5","7","8","10","9","10","1") = "9"
    & skf18("5","7","8","10","10","1","1") = "9"
    & skf18("5","7","8","10","10","2","1") = "9"
    & skf18("5","7","8","10","10","3","1") = "9"
    & skf18("5","7","8","10","10","4","1") = "9"
    & skf18("5","7","8","10","10","5","1") = "9"
    & skf18("5","7","8","10","10","6","1") = "9"
    & skf18("5","7","8","10","10","7","1") = "9"
    & skf18("5","7","8","10","10","8","1") = "9"
    & skf18("5","7","8","10","10","9","1") = "9"
    & skf18("5","7","8","10","10","10","1") = "9"
    & skf18("5","7","9","1","1","1","1") = "8"
    & skf18("5","7","9","1","1","2","1") = "8"
    & skf18("5","7","9","1","1","3","1") = "8"
    & skf18("5","7","9","1","1","4","1") = "8"
    & skf18("5","7","9","1","1","5","1") = "8"
    & skf18("5","7","9","1","1","6","1") = "8"
    & skf18("5","7","9","1","1","7","1") = "8"
    & skf18("5","7","9","1","1","8","1") = "8"
    & skf18("5","7","9","1","1","9","1") = "8"
    & skf18("5","7","9","1","1","10","1") = "9"
    & skf18("5","7","9","1","2","1","1") = "8"
    & skf18("5","7","9","1","2","2","1") = "8"
    & skf18("5","7","9","1","2","3","1") = "8"
    & skf18("5","7","9","1","2","4","1") = "8"
    & skf18("5","7","9","1","2","5","1") = "8"
    & skf18("5","7","9","1","2","6","1") = "8"
    & skf18("5","7","9","1","2","7","1") = "8"
    & skf18("5","7","9","1","2","8","1") = "8"
    & skf18("5","7","9","1","2","9","1") = "8"
    & skf18("5","7","9","1","2","10","1") = "9"
    & skf18("5","7","9","1","3","1","1") = "8"
    & skf18("5","7","9","1","3","2","1") = "8"
    & skf18("5","7","9","1","3","3","1") = "8"
    & skf18("5","7","9","1","3","4","1") = "8"
    & skf18("5","7","9","1","3","5","1") = "8"
    & skf18("5","7","9","1","3","6","1") = "8"
    & skf18("5","7","9","1","3","7","1") = "8"
    & skf18("5","7","9","1","3","8","1") = "8"
    & skf18("5","7","9","1","3","9","1") = "8"
    & skf18("5","7","9","1","3","10","1") = "9"
    & skf18("5","7","9","1","4","1","1") = "8"
    & skf18("5","7","9","1","4","2","1") = "8"
    & skf18("5","7","9","1","4","3","1") = "8"
    & skf18("5","7","9","1","4","4","1") = "8"
    & skf18("5","7","9","1","4","5","1") = "8"
    & skf18("5","7","9","1","4","6","1") = "8"
    & skf18("5","7","9","1","4","7","1") = "8"
    & skf18("5","7","9","1","4","8","1") = "8"
    & skf18("5","7","9","1","4","9","1") = "8"
    & skf18("5","7","9","1","4","10","1") = "9"
    & skf18("5","7","9","1","5","1","1") = "8"
    & skf18("5","7","9","1","5","2","1") = "8"
    & skf18("5","7","9","1","5","3","1") = "8"
    & skf18("5","7","9","1","5","4","1") = "8"
    & skf18("5","7","9","1","5","5","1") = "8"
    & skf18("5","7","9","1","5","6","1") = "8"
    & skf18("5","7","9","1","5","7","1") = "8"
    & skf18("5","7","9","1","5","8","1") = "8"
    & skf18("5","7","9","1","5","9","1") = "8"
    & skf18("5","7","9","1","5","10","1") = "9"
    & skf18("5","7","9","1","6","1","1") = "8"
    & skf18("5","7","9","1","6","2","1") = "8"
    & skf18("5","7","9","1","6","3","1") = "8"
    & skf18("5","7","9","1","6","4","1") = "8"
    & skf18("5","7","9","1","6","5","1") = "8"
    & skf18("5","7","9","1","6","6","1") = "8"
    & skf18("5","7","9","1","6","7","1") = "8"
    & skf18("5","7","9","1","6","8","1") = "8"
    & skf18("5","7","9","1","6","9","1") = "8"
    & skf18("5","7","9","1","6","10","1") = "9"
    & skf18("5","7","9","1","7","1","1") = "8"
    & skf18("5","7","9","1","7","2","1") = "8"
    & skf18("5","7","9","1","7","3","1") = "8"
    & skf18("5","7","9","1","7","4","1") = "8"
    & skf18("5","7","9","1","7","5","1") = "8"
    & skf18("5","7","9","1","7","6","1") = "8"
    & skf18("5","7","9","1","7","7","1") = "8"
    & skf18("5","7","9","1","7","8","1") = "8"
    & skf18("5","7","9","1","7","9","1") = "8"
    & skf18("5","7","9","1","7","10","1") = "9"
    & skf18("5","7","9","1","8","1","1") = "8"
    & skf18("5","7","9","1","8","2","1") = "8"
    & skf18("5","7","9","1","8","3","1") = "8"
    & skf18("5","7","9","1","8","4","1") = "8"
    & skf18("5","7","9","1","8","5","1") = "8"
    & skf18("5","7","9","1","8","6","1") = "8"
    & skf18("5","7","9","1","8","7","1") = "8"
    & skf18("5","7","9","1","8","8","1") = "8"
    & skf18("5","7","9","1","8","9","1") = "8"
    & skf18("5","7","9","1","8","10","1") = "9"
    & skf18("5","7","9","1","9","1","1") = "8"
    & skf18("5","7","9","1","9","2","1") = "8"
    & skf18("5","7","9","1","9","3","1") = "8"
    & skf18("5","7","9","1","9","4","1") = "8"
    & skf18("5","7","9","1","9","5","1") = "8"
    & skf18("5","7","9","1","9","6","1") = "8"
    & skf18("5","7","9","1","9","7","1") = "8"
    & skf18("5","7","9","1","9","8","1") = "8"
    & skf18("5","7","9","1","9","9","1") = "8"
    & skf18("5","7","9","1","9","10","1") = "9"
    & skf18("5","7","9","1","10","1","1") = "9"
    & skf18("5","7","9","1","10","2","1") = "9"
    & skf18("5","7","9","1","10","3","1") = "9"
    & skf18("5","7","9","1","10","4","1") = "9"
    & skf18("5","7","9","1","10","5","1") = "9"
    & skf18("5","7","9","1","10","6","1") = "9"
    & skf18("5","7","9","1","10","7","1") = "9"
    & skf18("5","7","9","1","10","8","1") = "9"
    & skf18("5","7","9","1","10","9","1") = "9"
    & skf18("5","7","9","1","10","10","1") = "9"
    & skf18("5","7","9","2","1","1","1") = "8"
    & skf18("5","7","9","2","1","2","1") = "8"
    & skf18("5","7","9","2","1","3","1") = "8"
    & skf18("5","7","9","2","1","4","1") = "8"
    & skf18("5","7","9","2","1","5","1") = "8"
    & skf18("5","7","9","2","1","6","1") = "8"
    & skf18("5","7","9","2","1","7","1") = "8"
    & skf18("5","7","9","2","1","8","1") = "8"
    & skf18("5","7","9","2","1","9","1") = "8"
    & skf18("5","7","9","2","1","10","1") = "9"
    & skf18("5","7","9","2","2","1","1") = "8"
    & skf18("5","7","9","2","2","2","1") = "8"
    & skf18("5","7","9","2","2","3","1") = "8"
    & skf18("5","7","9","2","2","4","1") = "8"
    & skf18("5","7","9","2","2","5","1") = "8"
    & skf18("5","7","9","2","2","6","1") = "8"
    & skf18("5","7","9","2","2","7","1") = "8"
    & skf18("5","7","9","2","2","8","1") = "8"
    & skf18("5","7","9","2","2","9","1") = "8"
    & skf18("5","7","9","2","2","10","1") = "9"
    & skf18("5","7","9","2","3","1","1") = "8"
    & skf18("5","7","9","2","3","2","1") = "8"
    & skf18("5","7","9","2","3","3","1") = "8"
    & skf18("5","7","9","2","3","4","1") = "8"
    & skf18("5","7","9","2","3","5","1") = "8"
    & skf18("5","7","9","2","3","6","1") = "8"
    & skf18("5","7","9","2","3","7","1") = "8"
    & skf18("5","7","9","2","3","8","1") = "8"
    & skf18("5","7","9","2","3","9","1") = "8"
    & skf18("5","7","9","2","3","10","1") = "9"
    & skf18("5","7","9","2","4","1","1") = "8"
    & skf18("5","7","9","2","4","2","1") = "8"
    & skf18("5","7","9","2","4","3","1") = "8"
    & skf18("5","7","9","2","4","4","1") = "8"
    & skf18("5","7","9","2","4","5","1") = "8"
    & skf18("5","7","9","2","4","6","1") = "8"
    & skf18("5","7","9","2","4","7","1") = "8"
    & skf18("5","7","9","2","4","8","1") = "8"
    & skf18("5","7","9","2","4","9","1") = "8"
    & skf18("5","7","9","2","4","10","1") = "9"
    & skf18("5","7","9","2","5","1","1") = "8"
    & skf18("5","7","9","2","5","2","1") = "8"
    & skf18("5","7","9","2","5","3","1") = "8"
    & skf18("5","7","9","2","5","4","1") = "8"
    & skf18("5","7","9","2","5","5","1") = "8"
    & skf18("5","7","9","2","5","6","1") = "8"
    & skf18("5","7","9","2","5","7","1") = "8"
    & skf18("5","7","9","2","5","8","1") = "8"
    & skf18("5","7","9","2","5","9","1") = "8"
    & skf18("5","7","9","2","5","10","1") = "9"
    & skf18("5","7","9","2","6","1","1") = "8"
    & skf18("5","7","9","2","6","2","1") = "8"
    & skf18("5","7","9","2","6","3","1") = "8"
    & skf18("5","7","9","2","6","4","1") = "8"
    & skf18("5","7","9","2","6","5","1") = "8"
    & skf18("5","7","9","2","6","6","1") = "8"
    & skf18("5","7","9","2","6","7","1") = "8"
    & skf18("5","7","9","2","6","8","1") = "8"
    & skf18("5","7","9","2","6","9","1") = "8"
    & skf18("5","7","9","2","6","10","1") = "9"
    & skf18("5","7","9","2","7","1","1") = "8"
    & skf18("5","7","9","2","7","2","1") = "8"
    & skf18("5","7","9","2","7","3","1") = "8"
    & skf18("5","7","9","2","7","4","1") = "8"
    & skf18("5","7","9","2","7","5","1") = "8"
    & skf18("5","7","9","2","7","6","1") = "8"
    & skf18("5","7","9","2","7","7","1") = "8"
    & skf18("5","7","9","2","7","8","1") = "8"
    & skf18("5","7","9","2","7","9","1") = "8"
    & skf18("5","7","9","2","7","10","1") = "9"
    & skf18("5","7","9","2","8","1","1") = "8"
    & skf18("5","7","9","2","8","2","1") = "8"
    & skf18("5","7","9","2","8","3","1") = "8"
    & skf18("5","7","9","2","8","4","1") = "8"
    & skf18("5","7","9","2","8","5","1") = "8"
    & skf18("5","7","9","2","8","6","1") = "8"
    & skf18("5","7","9","2","8","7","1") = "8"
    & skf18("5","7","9","2","8","8","1") = "8"
    & skf18("5","7","9","2","8","9","1") = "8"
    & skf18("5","7","9","2","8","10","1") = "9"
    & skf18("5","7","9","2","9","1","1") = "8"
    & skf18("5","7","9","2","9","2","1") = "8"
    & skf18("5","7","9","2","9","3","1") = "8"
    & skf18("5","7","9","2","9","4","1") = "8"
    & skf18("5","7","9","2","9","5","1") = "8"
    & skf18("5","7","9","2","9","6","1") = "8"
    & skf18("5","7","9","2","9","7","1") = "8"
    & skf18("5","7","9","2","9","8","1") = "8"
    & skf18("5","7","9","2","9","9","1") = "8"
    & skf18("5","7","9","2","9","10","1") = "9"
    & skf18("5","7","9","2","10","1","1") = "9"
    & skf18("5","7","9","2","10","2","1") = "9"
    & skf18("5","7","9","2","10","3","1") = "9"
    & skf18("5","7","9","2","10","4","1") = "9"
    & skf18("5","7","9","2","10","5","1") = "9"
    & skf18("5","7","9","2","10","6","1") = "9"
    & skf18("5","7","9","2","10","7","1") = "9"
    & skf18("5","7","9","2","10","8","1") = "9"
    & skf18("5","7","9","2","10","9","1") = "9"
    & skf18("5","7","9","2","10","10","1") = "9"
    & skf18("5","7","9","3","1","1","1") = "8"
    & skf18("5","7","9","3","1","2","1") = "8"
    & skf18("5","7","9","3","1","3","1") = "8"
    & skf18("5","7","9","3","1","4","1") = "8"
    & skf18("5","7","9","3","1","5","1") = "8"
    & skf18("5","7","9","3","1","6","1") = "8"
    & skf18("5","7","9","3","1","7","1") = "8"
    & skf18("5","7","9","3","1","8","1") = "8"
    & skf18("5","7","9","3","1","9","1") = "8"
    & skf18("5","7","9","3","1","10","1") = "9"
    & skf18("5","7","9","3","2","1","1") = "8"
    & skf18("5","7","9","3","2","2","1") = "8"
    & skf18("5","7","9","3","2","3","1") = "8"
    & skf18("5","7","9","3","2","4","1") = "8"
    & skf18("5","7","9","3","2","5","1") = "8"
    & skf18("5","7","9","3","2","6","1") = "8"
    & skf18("5","7","9","3","2","7","1") = "8"
    & skf18("5","7","9","3","2","8","1") = "8"
    & skf18("5","7","9","3","2","9","1") = "8"
    & skf18("5","7","9","3","2","10","1") = "9"
    & skf18("5","7","9","3","3","1","1") = "8"
    & skf18("5","7","9","3","3","2","1") = "8"
    & skf18("5","7","9","3","3","3","1") = "8"
    & skf18("5","7","9","3","3","4","1") = "8"
    & skf18("5","7","9","3","3","5","1") = "8"
    & skf18("5","7","9","3","3","6","1") = "8"
    & skf18("5","7","9","3","3","7","1") = "8"
    & skf18("5","7","9","3","3","8","1") = "8"
    & skf18("5","7","9","3","3","9","1") = "8"
    & skf18("5","7","9","3","3","10","1") = "9"
    & skf18("5","7","9","3","4","1","1") = "8"
    & skf18("5","7","9","3","4","2","1") = "8"
    & skf18("5","7","9","3","4","3","1") = "8"
    & skf18("5","7","9","3","4","4","1") = "8"
    & skf18("5","7","9","3","4","5","1") = "8"
    & skf18("5","7","9","3","4","6","1") = "8"
    & skf18("5","7","9","3","4","7","1") = "8"
    & skf18("5","7","9","3","4","8","1") = "8"
    & skf18("5","7","9","3","4","9","1") = "8"
    & skf18("5","7","9","3","4","10","1") = "9"
    & skf18("5","7","9","3","5","1","1") = "8"
    & skf18("5","7","9","3","5","2","1") = "8"
    & skf18("5","7","9","3","5","3","1") = "8"
    & skf18("5","7","9","3","5","4","1") = "8"
    & skf18("5","7","9","3","5","5","1") = "8"
    & skf18("5","7","9","3","5","6","1") = "8"
    & skf18("5","7","9","3","5","7","1") = "8"
    & skf18("5","7","9","3","5","8","1") = "8"
    & skf18("5","7","9","3","5","9","1") = "8"
    & skf18("5","7","9","3","5","10","1") = "9"
    & skf18("5","7","9","3","6","1","1") = "8"
    & skf18("5","7","9","3","6","2","1") = "8"
    & skf18("5","7","9","3","6","3","1") = "8"
    & skf18("5","7","9","3","6","4","1") = "8"
    & skf18("5","7","9","3","6","5","1") = "8"
    & skf18("5","7","9","3","6","6","1") = "8"
    & skf18("5","7","9","3","6","7","1") = "8"
    & skf18("5","7","9","3","6","8","1") = "8"
    & skf18("5","7","9","3","6","9","1") = "8"
    & skf18("5","7","9","3","6","10","1") = "9"
    & skf18("5","7","9","3","7","1","1") = "8"
    & skf18("5","7","9","3","7","2","1") = "8"
    & skf18("5","7","9","3","7","3","1") = "8"
    & skf18("5","7","9","3","7","4","1") = "8"
    & skf18("5","7","9","3","7","5","1") = "8"
    & skf18("5","7","9","3","7","6","1") = "8"
    & skf18("5","7","9","3","7","7","1") = "8"
    & skf18("5","7","9","3","7","8","1") = "8"
    & skf18("5","7","9","3","7","9","1") = "8"
    & skf18("5","7","9","3","7","10","1") = "9"
    & skf18("5","7","9","3","8","1","1") = "8"
    & skf18("5","7","9","3","8","2","1") = "8"
    & skf18("5","7","9","3","8","3","1") = "8"
    & skf18("5","7","9","3","8","4","1") = "8"
    & skf18("5","7","9","3","8","5","1") = "8"
    & skf18("5","7","9","3","8","6","1") = "8"
    & skf18("5","7","9","3","8","7","1") = "8"
    & skf18("5","7","9","3","8","8","1") = "8"
    & skf18("5","7","9","3","8","9","1") = "8"
    & skf18("5","7","9","3","8","10","1") = "9"
    & skf18("5","7","9","3","9","1","1") = "8"
    & skf18("5","7","9","3","9","2","1") = "8"
    & skf18("5","7","9","3","9","3","1") = "8"
    & skf18("5","7","9","3","9","4","1") = "8"
    & skf18("5","7","9","3","9","5","1") = "8"
    & skf18("5","7","9","3","9","6","1") = "8"
    & skf18("5","7","9","3","9","7","1") = "8"
    & skf18("5","7","9","3","9","8","1") = "8"
    & skf18("5","7","9","3","9","9","1") = "8"
    & skf18("5","7","9","3","9","10","1") = "9"
    & skf18("5","7","9","3","10","1","1") = "9"
    & skf18("5","7","9","3","10","2","1") = "9"
    & skf18("5","7","9","3","10","3","1") = "9"
    & skf18("5","7","9","3","10","4","1") = "9"
    & skf18("5","7","9","3","10","5","1") = "9"
    & skf18("5","7","9","3","10","6","1") = "9"
    & skf18("5","7","9","3","10","7","1") = "9"
    & skf18("5","7","9","3","10","8","1") = "9"
    & skf18("5","7","9","3","10","9","1") = "9"
    & skf18("5","7","9","3","10","10","1") = "9"
    & skf18("5","7","9","4","1","1","1") = "8"
    & skf18("5","7","9","4","1","2","1") = "8"
    & skf18("5","7","9","4","1","3","1") = "8"
    & skf18("5","7","9","4","1","4","1") = "8"
    & skf18("5","7","9","4","1","5","1") = "8"
    & skf18("5","7","9","4","1","6","1") = "8"
    & skf18("5","7","9","4","1","7","1") = "8"
    & skf18("5","7","9","4","1","8","1") = "8"
    & skf18("5","7","9","4","1","9","1") = "8"
    & skf18("5","7","9","4","1","10","1") = "9"
    & skf18("5","7","9","4","2","1","1") = "8"
    & skf18("5","7","9","4","2","2","1") = "8"
    & skf18("5","7","9","4","2","3","1") = "8"
    & skf18("5","7","9","4","2","4","1") = "8"
    & skf18("5","7","9","4","2","5","1") = "8"
    & skf18("5","7","9","4","2","6","1") = "8"
    & skf18("5","7","9","4","2","7","1") = "8"
    & skf18("5","7","9","4","2","8","1") = "8"
    & skf18("5","7","9","4","2","9","1") = "8"
    & skf18("5","7","9","4","2","10","1") = "9"
    & skf18("5","7","9","4","3","1","1") = "8"
    & skf18("5","7","9","4","3","2","1") = "8"
    & skf18("5","7","9","4","3","3","1") = "8"
    & skf18("5","7","9","4","3","4","1") = "8"
    & skf18("5","7","9","4","3","5","1") = "8"
    & skf18("5","7","9","4","3","6","1") = "8"
    & skf18("5","7","9","4","3","7","1") = "8"
    & skf18("5","7","9","4","3","8","1") = "8"
    & skf18("5","7","9","4","3","9","1") = "8"
    & skf18("5","7","9","4","3","10","1") = "9"
    & skf18("5","7","9","4","4","1","1") = "8"
    & skf18("5","7","9","4","4","2","1") = "8"
    & skf18("5","7","9","4","4","3","1") = "8"
    & skf18("5","7","9","4","4","4","1") = "8"
    & skf18("5","7","9","4","4","5","1") = "8"
    & skf18("5","7","9","4","4","6","1") = "8"
    & skf18("5","7","9","4","4","7","1") = "8"
    & skf18("5","7","9","4","4","8","1") = "8"
    & skf18("5","7","9","4","4","9","1") = "8"
    & skf18("5","7","9","4","4","10","1") = "9"
    & skf18("5","7","9","4","5","1","1") = "8"
    & skf18("5","7","9","4","5","2","1") = "8"
    & skf18("5","7","9","4","5","3","1") = "8"
    & skf18("5","7","9","4","5","4","1") = "8"
    & skf18("5","7","9","4","5","5","1") = "8"
    & skf18("5","7","9","4","5","6","1") = "8"
    & skf18("5","7","9","4","5","7","1") = "8"
    & skf18("5","7","9","4","5","8","1") = "8"
    & skf18("5","7","9","4","5","9","1") = "8"
    & skf18("5","7","9","4","5","10","1") = "9"
    & skf18("5","7","9","4","6","1","1") = "8"
    & skf18("5","7","9","4","6","2","1") = "8"
    & skf18("5","7","9","4","6","3","1") = "8"
    & skf18("5","7","9","4","6","4","1") = "8"
    & skf18("5","7","9","4","6","5","1") = "8"
    & skf18("5","7","9","4","6","6","1") = "8"
    & skf18("5","7","9","4","6","7","1") = "8"
    & skf18("5","7","9","4","6","8","1") = "8"
    & skf18("5","7","9","4","6","9","1") = "8"
    & skf18("5","7","9","4","6","10","1") = "9"
    & skf18("5","7","9","4","7","1","1") = "8"
    & skf18("5","7","9","4","7","2","1") = "8"
    & skf18("5","7","9","4","7","3","1") = "8"
    & skf18("5","7","9","4","7","4","1") = "8"
    & skf18("5","7","9","4","7","5","1") = "8"
    & skf18("5","7","9","4","7","6","1") = "8"
    & skf18("5","7","9","4","7","7","1") = "8"
    & skf18("5","7","9","4","7","8","1") = "8"
    & skf18("5","7","9","4","7","9","1") = "8"
    & skf18("5","7","9","4","7","10","1") = "9"
    & skf18("5","7","9","4","8","1","1") = "8"
    & skf18("5","7","9","4","8","2","1") = "8"
    & skf18("5","7","9","4","8","3","1") = "8"
    & skf18("5","7","9","4","8","4","1") = "8"
    & skf18("5","7","9","4","8","5","1") = "8"
    & skf18("5","7","9","4","8","6","1") = "8"
    & skf18("5","7","9","4","8","7","1") = "8"
    & skf18("5","7","9","4","8","8","1") = "8"
    & skf18("5","7","9","4","8","9","1") = "8"
    & skf18("5","7","9","4","8","10","1") = "9"
    & skf18("5","7","9","4","9","1","1") = "8"
    & skf18("5","7","9","4","9","2","1") = "8"
    & skf18("5","7","9","4","9","3","1") = "8"
    & skf18("5","7","9","4","9","4","1") = "8"
    & skf18("5","7","9","4","9","5","1") = "8"
    & skf18("5","7","9","4","9","6","1") = "8"
    & skf18("5","7","9","4","9","7","1") = "8"
    & skf18("5","7","9","4","9","8","1") = "8"
    & skf18("5","7","9","4","9","9","1") = "8"
    & skf18("5","7","9","4","9","10","1") = "9"
    & skf18("5","7","9","4","10","1","1") = "9"
    & skf18("5","7","9","4","10","2","1") = "9"
    & skf18("5","7","9","4","10","3","1") = "9"
    & skf18("5","7","9","4","10","4","1") = "9"
    & skf18("5","7","9","4","10","5","1") = "9"
    & skf18("5","7","9","4","10","6","1") = "9"
    & skf18("5","7","9","4","10","7","1") = "9"
    & skf18("5","7","9","4","10","8","1") = "9"
    & skf18("5","7","9","4","10","9","1") = "9"
    & skf18("5","7","9","4","10","10","1") = "9"
    & skf18("5","7","9","5","1","1","1") = "8"
    & skf18("5","7","9","5","1","2","1") = "8"
    & skf18("5","7","9","5","1","3","1") = "8"
    & skf18("5","7","9","5","1","4","1") = "8"
    & skf18("5","7","9","5","1","5","1") = "8"
    & skf18("5","7","9","5","1","6","1") = "8"
    & skf18("5","7","9","5","1","7","1") = "8"
    & skf18("5","7","9","5","1","8","1") = "8"
    & skf18("5","7","9","5","1","9","1") = "8"
    & skf18("5","7","9","5","1","10","1") = "9"
    & skf18("5","7","9","5","2","1","1") = "8"
    & skf18("5","7","9","5","2","2","1") = "8"
    & skf18("5","7","9","5","2","3","1") = "8"
    & skf18("5","7","9","5","2","4","1") = "8"
    & skf18("5","7","9","5","2","5","1") = "8"
    & skf18("5","7","9","5","2","6","1") = "8"
    & skf18("5","7","9","5","2","7","1") = "8"
    & skf18("5","7","9","5","2","8","1") = "8"
    & skf18("5","7","9","5","2","9","1") = "8"
    & skf18("5","7","9","5","2","10","1") = "9"
    & skf18("5","7","9","5","3","1","1") = "8"
    & skf18("5","7","9","5","3","2","1") = "8"
    & skf18("5","7","9","5","3","3","1") = "8"
    & skf18("5","7","9","5","3","4","1") = "8"
    & skf18("5","7","9","5","3","5","1") = "8"
    & skf18("5","7","9","5","3","6","1") = "8"
    & skf18("5","7","9","5","3","7","1") = "8"
    & skf18("5","7","9","5","3","8","1") = "8"
    & skf18("5","7","9","5","3","9","1") = "8"
    & skf18("5","7","9","5","3","10","1") = "9"
    & skf18("5","7","9","5","4","1","1") = "8"
    & skf18("5","7","9","5","4","2","1") = "8"
    & skf18("5","7","9","5","4","3","1") = "8"
    & skf18("5","7","9","5","4","4","1") = "8"
    & skf18("5","7","9","5","4","5","1") = "8"
    & skf18("5","7","9","5","4","6","1") = "8"
    & skf18("5","7","9","5","4","7","1") = "8"
    & skf18("5","7","9","5","4","8","1") = "8"
    & skf18("5","7","9","5","4","9","1") = "8"
    & skf18("5","7","9","5","4","10","1") = "9"
    & skf18("5","7","9","5","5","1","1") = "8"
    & skf18("5","7","9","5","5","2","1") = "8"
    & skf18("5","7","9","5","5","3","1") = "8"
    & skf18("5","7","9","5","5","4","1") = "8"
    & skf18("5","7","9","5","5","5","1") = "8"
    & skf18("5","7","9","5","5","6","1") = "8"
    & skf18("5","7","9","5","5","7","1") = "8"
    & skf18("5","7","9","5","5","8","1") = "8"
    & skf18("5","7","9","5","5","9","1") = "8"
    & skf18("5","7","9","5","5","10","1") = "9"
    & skf18("5","7","9","5","6","1","1") = "8"
    & skf18("5","7","9","5","6","2","1") = "8"
    & skf18("5","7","9","5","6","3","1") = "8"
    & skf18("5","7","9","5","6","4","1") = "8"
    & skf18("5","7","9","5","6","5","1") = "8"
    & skf18("5","7","9","5","6","6","1") = "8"
    & skf18("5","7","9","5","6","7","1") = "8"
    & skf18("5","7","9","5","6","8","1") = "8"
    & skf18("5","7","9","5","6","9","1") = "8"
    & skf18("5","7","9","5","6","10","1") = "9"
    & skf18("5","7","9","5","7","1","1") = "8"
    & skf18("5","7","9","5","7","2","1") = "8"
    & skf18("5","7","9","5","7","3","1") = "8"
    & skf18("5","7","9","5","7","4","1") = "8"
    & skf18("5","7","9","5","7","5","1") = "8"
    & skf18("5","7","9","5","7","6","1") = "8"
    & skf18("5","7","9","5","7","7","1") = "8"
    & skf18("5","7","9","5","7","8","1") = "8"
    & skf18("5","7","9","5","7","9","1") = "8"
    & skf18("5","7","9","5","7","10","1") = "9"
    & skf18("5","7","9","5","8","1","1") = "8"
    & skf18("5","7","9","5","8","2","1") = "8"
    & skf18("5","7","9","5","8","3","1") = "8"
    & skf18("5","7","9","5","8","4","1") = "8"
    & skf18("5","7","9","5","8","5","1") = "8"
    & skf18("5","7","9","5","8","6","1") = "8"
    & skf18("5","7","9","5","8","7","1") = "8"
    & skf18("5","7","9","5","8","8","1") = "8"
    & skf18("5","7","9","5","8","9","1") = "8"
    & skf18("5","7","9","5","8","10","1") = "9"
    & skf18("5","7","9","5","9","1","1") = "8"
    & skf18("5","7","9","5","9","2","1") = "8"
    & skf18("5","7","9","5","9","3","1") = "8"
    & skf18("5","7","9","5","9","4","1") = "8"
    & skf18("5","7","9","5","9","5","1") = "8"
    & skf18("5","7","9","5","9","6","1") = "8"
    & skf18("5","7","9","5","9","7","1") = "8"
    & skf18("5","7","9","5","9","8","1") = "8"
    & skf18("5","7","9","5","9","9","1") = "8"
    & skf18("5","7","9","5","9","10","1") = "9"
    & skf18("5","7","9","5","10","1","1") = "9"
    & skf18("5","7","9","5","10","2","1") = "9"
    & skf18("5","7","9","5","10","3","1") = "9"
    & skf18("5","7","9","5","10","4","1") = "9"
    & skf18("5","7","9","5","10","5","1") = "9"
    & skf18("5","7","9","5","10","6","1") = "9"
    & skf18("5","7","9","5","10","7","1") = "9"
    & skf18("5","7","9","5","10","8","1") = "9"
    & skf18("5","7","9","5","10","9","1") = "9"
    & skf18("5","7","9","5","10","10","1") = "9"
    & skf18("5","7","9","6","1","1","1") = "8"
    & skf18("5","7","9","6","1","2","1") = "8"
    & skf18("5","7","9","6","1","3","1") = "8"
    & skf18("5","7","9","6","1","4","1") = "8"
    & skf18("5","7","9","6","1","5","1") = "8"
    & skf18("5","7","9","6","1","6","1") = "8"
    & skf18("5","7","9","6","1","7","1") = "8"
    & skf18("5","7","9","6","1","8","1") = "8"
    & skf18("5","7","9","6","1","9","1") = "8"
    & skf18("5","7","9","6","1","10","1") = "9"
    & skf18("5","7","9","6","2","1","1") = "8"
    & skf18("5","7","9","6","2","2","1") = "8"
    & skf18("5","7","9","6","2","3","1") = "8"
    & skf18("5","7","9","6","2","4","1") = "8"
    & skf18("5","7","9","6","2","5","1") = "8"
    & skf18("5","7","9","6","2","6","1") = "8"
    & skf18("5","7","9","6","2","7","1") = "8"
    & skf18("5","7","9","6","2","8","1") = "8"
    & skf18("5","7","9","6","2","9","1") = "8"
    & skf18("5","7","9","6","2","10","1") = "9"
    & skf18("5","7","9","6","3","1","1") = "8"
    & skf18("5","7","9","6","3","2","1") = "8"
    & skf18("5","7","9","6","3","3","1") = "8"
    & skf18("5","7","9","6","3","4","1") = "8"
    & skf18("5","7","9","6","3","5","1") = "8"
    & skf18("5","7","9","6","3","6","1") = "8"
    & skf18("5","7","9","6","3","7","1") = "8"
    & skf18("5","7","9","6","3","8","1") = "8"
    & skf18("5","7","9","6","3","9","1") = "8"
    & skf18("5","7","9","6","3","10","1") = "9"
    & skf18("5","7","9","6","4","1","1") = "8"
    & skf18("5","7","9","6","4","2","1") = "8"
    & skf18("5","7","9","6","4","3","1") = "8"
    & skf18("5","7","9","6","4","4","1") = "8"
    & skf18("5","7","9","6","4","5","1") = "8"
    & skf18("5","7","9","6","4","6","1") = "8"
    & skf18("5","7","9","6","4","7","1") = "8"
    & skf18("5","7","9","6","4","8","1") = "8"
    & skf18("5","7","9","6","4","9","1") = "8"
    & skf18("5","7","9","6","4","10","1") = "9"
    & skf18("5","7","9","6","5","1","1") = "8"
    & skf18("5","7","9","6","5","2","1") = "8"
    & skf18("5","7","9","6","5","3","1") = "8"
    & skf18("5","7","9","6","5","4","1") = "8"
    & skf18("5","7","9","6","5","5","1") = "8"
    & skf18("5","7","9","6","5","6","1") = "8"
    & skf18("5","7","9","6","5","7","1") = "8"
    & skf18("5","7","9","6","5","8","1") = "8"
    & skf18("5","7","9","6","5","9","1") = "8"
    & skf18("5","7","9","6","5","10","1") = "9"
    & skf18("5","7","9","6","6","1","1") = "8"
    & skf18("5","7","9","6","6","2","1") = "8"
    & skf18("5","7","9","6","6","3","1") = "8"
    & skf18("5","7","9","6","6","4","1") = "8"
    & skf18("5","7","9","6","6","5","1") = "8"
    & skf18("5","7","9","6","6","6","1") = "8"
    & skf18("5","7","9","6","6","7","1") = "8"
    & skf18("5","7","9","6","6","8","1") = "8"
    & skf18("5","7","9","6","6","9","1") = "8"
    & skf18("5","7","9","6","6","10","1") = "9"
    & skf18("5","7","9","6","7","1","1") = "8"
    & skf18("5","7","9","6","7","2","1") = "8"
    & skf18("5","7","9","6","7","3","1") = "8"
    & skf18("5","7","9","6","7","4","1") = "8"
    & skf18("5","7","9","6","7","5","1") = "8"
    & skf18("5","7","9","6","7","6","1") = "8"
    & skf18("5","7","9","6","7","7","1") = "8"
    & skf18("5","7","9","6","7","8","1") = "8"
    & skf18("5","7","9","6","7","9","1") = "8"
    & skf18("5","7","9","6","7","10","1") = "9"
    & skf18("5","7","9","6","8","1","1") = "8"
    & skf18("5","7","9","6","8","2","1") = "8"
    & skf18("5","7","9","6","8","3","1") = "8"
    & skf18("5","7","9","6","8","4","1") = "8"
    & skf18("5","7","9","6","8","5","1") = "8"
    & skf18("5","7","9","6","8","6","1") = "8"
    & skf18("5","7","9","6","8","7","1") = "8"
    & skf18("5","7","9","6","8","8","1") = "8"
    & skf18("5","7","9","6","8","9","1") = "8"
    & skf18("5","7","9","6","8","10","1") = "9"
    & skf18("5","7","9","6","9","1","1") = "8"
    & skf18("5","7","9","6","9","2","1") = "8"
    & skf18("5","7","9","6","9","3","1") = "8"
    & skf18("5","7","9","6","9","4","1") = "8"
    & skf18("5","7","9","6","9","5","1") = "8"
    & skf18("5","7","9","6","9","6","1") = "8"
    & skf18("5","7","9","6","9","7","1") = "8"
    & skf18("5","7","9","6","9","8","1") = "8"
    & skf18("5","7","9","6","9","9","1") = "8"
    & skf18("5","7","9","6","9","10","1") = "9"
    & skf18("5","7","9","6","10","1","1") = "9"
    & skf18("5","7","9","6","10","2","1") = "9"
    & skf18("5","7","9","6","10","3","1") = "9"
    & skf18("5","7","9","6","10","4","1") = "9"
    & skf18("5","7","9","6","10","5","1") = "9"
    & skf18("5","7","9","6","10","6","1") = "9"
    & skf18("5","7","9","6","10","7","1") = "9"
    & skf18("5","7","9","6","10","8","1") = "9"
    & skf18("5","7","9","6","10","9","1") = "9"
    & skf18("5","7","9","6","10","10","1") = "9"
    & skf18("5","7","9","7","1","1","1") = "8"
    & skf18("5","7","9","7","1","2","1") = "8"
    & skf18("5","7","9","7","1","3","1") = "8"
    & skf18("5","7","9","7","1","4","1") = "8"
    & skf18("5","7","9","7","1","5","1") = "8"
    & skf18("5","7","9","7","1","6","1") = "8"
    & skf18("5","7","9","7","1","7","1") = "8"
    & skf18("5","7","9","7","1","8","1") = "8"
    & skf18("5","7","9","7","1","9","1") = "8"
    & skf18("5","7","9","7","1","10","1") = "9"
    & skf18("5","7","9","7","2","1","1") = "8"
    & skf18("5","7","9","7","2","2","1") = "8"
    & skf18("5","7","9","7","2","3","1") = "8"
    & skf18("5","7","9","7","2","4","1") = "8"
    & skf18("5","7","9","7","2","5","1") = "8"
    & skf18("5","7","9","7","2","6","1") = "8"
    & skf18("5","7","9","7","2","7","1") = "8"
    & skf18("5","7","9","7","2","8","1") = "8"
    & skf18("5","7","9","7","2","9","1") = "8"
    & skf18("5","7","9","7","2","10","1") = "9"
    & skf18("5","7","9","7","3","1","1") = "8"
    & skf18("5","7","9","7","3","2","1") = "8"
    & skf18("5","7","9","7","3","3","1") = "8"
    & skf18("5","7","9","7","3","4","1") = "8"
    & skf18("5","7","9","7","3","5","1") = "8"
    & skf18("5","7","9","7","3","6","1") = "8"
    & skf18("5","7","9","7","3","7","1") = "8"
    & skf18("5","7","9","7","3","8","1") = "8"
    & skf18("5","7","9","7","3","9","1") = "8"
    & skf18("5","7","9","7","3","10","1") = "9"
    & skf18("5","7","9","7","4","1","1") = "8"
    & skf18("5","7","9","7","4","2","1") = "8"
    & skf18("5","7","9","7","4","3","1") = "8"
    & skf18("5","7","9","7","4","4","1") = "8"
    & skf18("5","7","9","7","4","5","1") = "8"
    & skf18("5","7","9","7","4","6","1") = "8"
    & skf18("5","7","9","7","4","7","1") = "8"
    & skf18("5","7","9","7","4","8","1") = "8"
    & skf18("5","7","9","7","4","9","1") = "8"
    & skf18("5","7","9","7","4","10","1") = "9"
    & skf18("5","7","9","7","5","1","1") = "8"
    & skf18("5","7","9","7","5","2","1") = "8"
    & skf18("5","7","9","7","5","3","1") = "8"
    & skf18("5","7","9","7","5","4","1") = "8"
    & skf18("5","7","9","7","5","5","1") = "8"
    & skf18("5","7","9","7","5","6","1") = "8"
    & skf18("5","7","9","7","5","7","1") = "8"
    & skf18("5","7","9","7","5","8","1") = "8"
    & skf18("5","7","9","7","5","9","1") = "8"
    & skf18("5","7","9","7","5","10","1") = "9"
    & skf18("5","7","9","7","6","1","1") = "8"
    & skf18("5","7","9","7","6","2","1") = "8"
    & skf18("5","7","9","7","6","3","1") = "8"
    & skf18("5","7","9","7","6","4","1") = "8"
    & skf18("5","7","9","7","6","5","1") = "8"
    & skf18("5","7","9","7","6","6","1") = "8"
    & skf18("5","7","9","7","6","7","1") = "8"
    & skf18("5","7","9","7","6","8","1") = "8"
    & skf18("5","7","9","7","6","9","1") = "8"
    & skf18("5","7","9","7","6","10","1") = "9"
    & skf18("5","7","9","7","7","1","1") = "8"
    & skf18("5","7","9","7","7","2","1") = "8"
    & skf18("5","7","9","7","7","3","1") = "8"
    & skf18("5","7","9","7","7","4","1") = "8"
    & skf18("5","7","9","7","7","5","1") = "8"
    & skf18("5","7","9","7","7","6","1") = "8"
    & skf18("5","7","9","7","7","7","1") = "8"
    & skf18("5","7","9","7","7","8","1") = "8"
    & skf18("5","7","9","7","7","9","1") = "8"
    & skf18("5","7","9","7","7","10","1") = "9"
    & skf18("5","7","9","7","8","1","1") = "8"
    & skf18("5","7","9","7","8","2","1") = "8"
    & skf18("5","7","9","7","8","3","1") = "8"
    & skf18("5","7","9","7","8","4","1") = "8"
    & skf18("5","7","9","7","8","5","1") = "8"
    & skf18("5","7","9","7","8","6","1") = "8"
    & skf18("5","7","9","7","8","7","1") = "8"
    & skf18("5","7","9","7","8","8","1") = "8"
    & skf18("5","7","9","7","8","9","1") = "8"
    & skf18("5","7","9","7","8","10","1") = "9"
    & skf18("5","7","9","7","9","1","1") = "8"
    & skf18("5","7","9","7","9","2","1") = "8"
    & skf18("5","7","9","7","9","3","1") = "8"
    & skf18("5","7","9","7","9","4","1") = "8"
    & skf18("5","7","9","7","9","5","1") = "8"
    & skf18("5","7","9","7","9","6","1") = "8"
    & skf18("5","7","9","7","9","7","1") = "8"
    & skf18("5","7","9","7","9","8","1") = "8"
    & skf18("5","7","9","7","9","9","1") = "8"
    & skf18("5","7","9","7","9","10","1") = "9"
    & skf18("5","7","9","7","10","1","1") = "9"
    & skf18("5","7","9","7","10","2","1") = "9"
    & skf18("5","7","9","7","10","3","1") = "9"
    & skf18("5","7","9","7","10","4","1") = "9"
    & skf18("5","7","9","7","10","5","1") = "9"
    & skf18("5","7","9","7","10","6","1") = "9"
    & skf18("5","7","9","7","10","7","1") = "9"
    & skf18("5","7","9","7","10","8","1") = "9"
    & skf18("5","7","9","7","10","9","1") = "9"
    & skf18("5","7","9","7","10","10","1") = "9"
    & skf18("5","7","9","8","1","1","1") = "8"
    & skf18("5","7","9","8","1","2","1") = "8"
    & skf18("5","7","9","8","1","3","1") = "8"
    & skf18("5","7","9","8","1","4","1") = "8"
    & skf18("5","7","9","8","1","5","1") = "8"
    & skf18("5","7","9","8","1","6","1") = "8"
    & skf18("5","7","9","8","1","7","1") = "8"
    & skf18("5","7","9","8","1","8","1") = "8"
    & skf18("5","7","9","8","1","9","1") = "8"
    & skf18("5","7","9","8","1","10","1") = "9"
    & skf18("5","7","9","8","2","1","1") = "8"
    & skf18("5","7","9","8","2","2","1") = "8"
    & skf18("5","7","9","8","2","3","1") = "8"
    & skf18("5","7","9","8","2","4","1") = "8"
    & skf18("5","7","9","8","2","5","1") = "8"
    & skf18("5","7","9","8","2","6","1") = "8"
    & skf18("5","7","9","8","2","7","1") = "8"
    & skf18("5","7","9","8","2","8","1") = "8"
    & skf18("5","7","9","8","2","9","1") = "8"
    & skf18("5","7","9","8","2","10","1") = "9"
    & skf18("5","7","9","8","3","1","1") = "8"
    & skf18("5","7","9","8","3","2","1") = "8"
    & skf18("5","7","9","8","3","3","1") = "8"
    & skf18("5","7","9","8","3","4","1") = "8"
    & skf18("5","7","9","8","3","5","1") = "8"
    & skf18("5","7","9","8","3","6","1") = "8"
    & skf18("5","7","9","8","3","7","1") = "8"
    & skf18("5","7","9","8","3","8","1") = "8"
    & skf18("5","7","9","8","3","9","1") = "8"
    & skf18("5","7","9","8","3","10","1") = "9"
    & skf18("5","7","9","8","4","1","1") = "8"
    & skf18("5","7","9","8","4","2","1") = "8"
    & skf18("5","7","9","8","4","3","1") = "8"
    & skf18("5","7","9","8","4","4","1") = "8"
    & skf18("5","7","9","8","4","5","1") = "8"
    & skf18("5","7","9","8","4","6","1") = "8"
    & skf18("5","7","9","8","4","7","1") = "8"
    & skf18("5","7","9","8","4","8","1") = "8"
    & skf18("5","7","9","8","4","9","1") = "8"
    & skf18("5","7","9","8","4","10","1") = "9"
    & skf18("5","7","9","8","5","1","1") = "8"
    & skf18("5","7","9","8","5","2","1") = "8"
    & skf18("5","7","9","8","5","3","1") = "8"
    & skf18("5","7","9","8","5","4","1") = "8"
    & skf18("5","7","9","8","5","5","1") = "8"
    & skf18("5","7","9","8","5","6","1") = "8"
    & skf18("5","7","9","8","5","7","1") = "8"
    & skf18("5","7","9","8","5","8","1") = "8"
    & skf18("5","7","9","8","5","9","1") = "8"
    & skf18("5","7","9","8","5","10","1") = "9"
    & skf18("5","7","9","8","6","1","1") = "8"
    & skf18("5","7","9","8","6","2","1") = "8"
    & skf18("5","7","9","8","6","3","1") = "8"
    & skf18("5","7","9","8","6","4","1") = "8"
    & skf18("5","7","9","8","6","5","1") = "8"
    & skf18("5","7","9","8","6","6","1") = "8"
    & skf18("5","7","9","8","6","7","1") = "8"
    & skf18("5","7","9","8","6","8","1") = "8"
    & skf18("5","7","9","8","6","9","1") = "8"
    & skf18("5","7","9","8","6","10","1") = "9"
    & skf18("5","7","9","8","7","1","1") = "8"
    & skf18("5","7","9","8","7","2","1") = "8"
    & skf18("5","7","9","8","7","3","1") = "8"
    & skf18("5","7","9","8","7","4","1") = "8"
    & skf18("5","7","9","8","7","5","1") = "8"
    & skf18("5","7","9","8","7","6","1") = "8"
    & skf18("5","7","9","8","7","7","1") = "8"
    & skf18("5","7","9","8","7","8","1") = "8"
    & skf18("5","7","9","8","7","9","1") = "8"
    & skf18("5","7","9","8","7","10","1") = "9"
    & skf18("5","7","9","8","8","1","1") = "8"
    & skf18("5","7","9","8","8","2","1") = "8"
    & skf18("5","7","9","8","8","3","1") = "8"
    & skf18("5","7","9","8","8","4","1") = "8"
    & skf18("5","7","9","8","8","5","1") = "8"
    & skf18("5","7","9","8","8","6","1") = "8"
    & skf18("5","7","9","8","8","7","1") = "8"
    & skf18("5","7","9","8","8","8","1") = "8"
    & skf18("5","7","9","8","8","9","1") = "8"
    & skf18("5","7","9","8","8","10","1") = "9"
    & skf18("5","7","9","8","9","1","1") = "8"
    & skf18("5","7","9","8","9","2","1") = "8"
    & skf18("5","7","9","8","9","3","1") = "8"
    & skf18("5","7","9","8","9","4","1") = "8"
    & skf18("5","7","9","8","9","5","1") = "8"
    & skf18("5","7","9","8","9","6","1") = "8"
    & skf18("5","7","9","8","9","7","1") = "8"
    & skf18("5","7","9","8","9","8","1") = "8"
    & skf18("5","7","9","8","9","9","1") = "8"
    & skf18("5","7","9","8","9","10","1") = "9"
    & skf18("5","7","9","8","10","1","1") = "9"
    & skf18("5","7","9","8","10","2","1") = "9"
    & skf18("5","7","9","8","10","3","1") = "9"
    & skf18("5","7","9","8","10","4","1") = "9"
    & skf18("5","7","9","8","10","5","1") = "9"
    & skf18("5","7","9","8","10","6","1") = "9"
    & skf18("5","7","9","8","10","7","1") = "9"
    & skf18("5","7","9","8","10","8","1") = "9"
    & skf18("5","7","9","8","10","9","1") = "9"
    & skf18("5","7","9","8","10","10","1") = "9"
    & skf18("5","7","9","9","1","1","1") = "8"
    & skf18("5","7","9","9","1","2","1") = "8"
    & skf18("5","7","9","9","1","3","1") = "8"
    & skf18("5","7","9","9","1","4","1") = "8"
    & skf18("5","7","9","9","1","5","1") = "8"
    & skf18("5","7","9","9","1","6","1") = "8"
    & skf18("5","7","9","9","1","7","1") = "8"
    & skf18("5","7","9","9","1","8","1") = "8"
    & skf18("5","7","9","9","1","9","1") = "8"
    & skf18("5","7","9","9","1","10","1") = "9"
    & skf18("5","7","9","9","2","1","1") = "8"
    & skf18("5","7","9","9","2","2","1") = "8"
    & skf18("5","7","9","9","2","3","1") = "8"
    & skf18("5","7","9","9","2","4","1") = "8"
    & skf18("5","7","9","9","2","5","1") = "8"
    & skf18("5","7","9","9","2","6","1") = "8"
    & skf18("5","7","9","9","2","7","1") = "8"
    & skf18("5","7","9","9","2","8","1") = "8"
    & skf18("5","7","9","9","2","9","1") = "8"
    & skf18("5","7","9","9","2","10","1") = "9"
    & skf18("5","7","9","9","3","1","1") = "8"
    & skf18("5","7","9","9","3","2","1") = "8"
    & skf18("5","7","9","9","3","3","1") = "8"
    & skf18("5","7","9","9","3","4","1") = "8"
    & skf18("5","7","9","9","3","5","1") = "8"
    & skf18("5","7","9","9","3","6","1") = "8"
    & skf18("5","7","9","9","3","7","1") = "8"
    & skf18("5","7","9","9","3","8","1") = "8"
    & skf18("5","7","9","9","3","9","1") = "8"
    & skf18("5","7","9","9","3","10","1") = "9"
    & skf18("5","7","9","9","4","1","1") = "8"
    & skf18("5","7","9","9","4","2","1") = "8"
    & skf18("5","7","9","9","4","3","1") = "8"
    & skf18("5","7","9","9","4","4","1") = "8"
    & skf18("5","7","9","9","4","5","1") = "8"
    & skf18("5","7","9","9","4","6","1") = "8"
    & skf18("5","7","9","9","4","7","1") = "8"
    & skf18("5","7","9","9","4","8","1") = "8"
    & skf18("5","7","9","9","4","9","1") = "8"
    & skf18("5","7","9","9","4","10","1") = "9"
    & skf18("5","7","9","9","5","1","1") = "8"
    & skf18("5","7","9","9","5","2","1") = "8"
    & skf18("5","7","9","9","5","3","1") = "8"
    & skf18("5","7","9","9","5","4","1") = "8"
    & skf18("5","7","9","9","5","5","1") = "8"
    & skf18("5","7","9","9","5","6","1") = "8"
    & skf18("5","7","9","9","5","7","1") = "8"
    & skf18("5","7","9","9","5","8","1") = "8"
    & skf18("5","7","9","9","5","9","1") = "8"
    & skf18("5","7","9","9","5","10","1") = "9"
    & skf18("5","7","9","9","6","1","1") = "8"
    & skf18("5","7","9","9","6","2","1") = "8"
    & skf18("5","7","9","9","6","3","1") = "8"
    & skf18("5","7","9","9","6","4","1") = "8"
    & skf18("5","7","9","9","6","5","1") = "8"
    & skf18("5","7","9","9","6","6","1") = "8"
    & skf18("5","7","9","9","6","7","1") = "8"
    & skf18("5","7","9","9","6","8","1") = "8"
    & skf18("5","7","9","9","6","9","1") = "8"
    & skf18("5","7","9","9","6","10","1") = "9"
    & skf18("5","7","9","9","7","1","1") = "8"
    & skf18("5","7","9","9","7","2","1") = "8"
    & skf18("5","7","9","9","7","3","1") = "8"
    & skf18("5","7","9","9","7","4","1") = "8"
    & skf18("5","7","9","9","7","5","1") = "8"
    & skf18("5","7","9","9","7","6","1") = "8"
    & skf18("5","7","9","9","7","7","1") = "8"
    & skf18("5","7","9","9","7","8","1") = "8"
    & skf18("5","7","9","9","7","9","1") = "8"
    & skf18("5","7","9","9","7","10","1") = "9"
    & skf18("5","7","9","9","8","1","1") = "8"
    & skf18("5","7","9","9","8","2","1") = "8"
    & skf18("5","7","9","9","8","3","1") = "8"
    & skf18("5","7","9","9","8","4","1") = "8"
    & skf18("5","7","9","9","8","5","1") = "8"
    & skf18("5","7","9","9","8","6","1") = "8"
    & skf18("5","7","9","9","8","7","1") = "8"
    & skf18("5","7","9","9","8","8","1") = "8"
    & skf18("5","7","9","9","8","9","1") = "8"
    & skf18("5","7","9","9","8","10","1") = "9"
    & skf18("5","7","9","9","9","1","1") = "8"
    & skf18("5","7","9","9","9","2","1") = "8"
    & skf18("5","7","9","9","9","3","1") = "8"
    & skf18("5","7","9","9","9","4","1") = "8"
    & skf18("5","7","9","9","9","5","1") = "8"
    & skf18("5","7","9","9","9","6","1") = "8"
    & skf18("5","7","9","9","9","7","1") = "8"
    & skf18("5","7","9","9","9","8","1") = "8"
    & skf18("5","7","9","9","9","9","1") = "8"
    & skf18("5","7","9","9","9","10","1") = "9"
    & skf18("5","7","9","9","10","1","1") = "9"
    & skf18("5","7","9","9","10","2","1") = "9"
    & skf18("5","7","9","9","10","3","1") = "9"
    & skf18("5","7","9","9","10","4","1") = "9"
    & skf18("5","7","9","9","10","5","1") = "9"
    & skf18("5","7","9","9","10","6","1") = "9"
    & skf18("5","7","9","9","10","7","1") = "9"
    & skf18("5","7","9","9","10","8","1") = "9"
    & skf18("5","7","9","9","10","9","1") = "9"
    & skf18("5","7","9","9","10","10","1") = "9"
    & skf18("5","7","9","10","1","1","1") = "9"
    & skf18("5","7","9","10","1","2","1") = "9"
    & skf18("5","7","9","10","1","3","1") = "9"
    & skf18("5","7","9","10","1","4","1") = "9"
    & skf18("5","7","9","10","1","5","1") = "9"
    & skf18("5","7","9","10","1","6","1") = "9"
    & skf18("5","7","9","10","1","7","1") = "9"
    & skf18("5","7","9","10","1","8","1") = "9"
    & skf18("5","7","9","10","1","9","1") = "9"
    & skf18("5","7","9","10","1","10","1") = "9"
    & skf18("5","7","9","10","2","1","1") = "9"
    & skf18("5","7","9","10","2","2","1") = "9"
    & skf18("5","7","9","10","2","3","1") = "9"
    & skf18("5","7","9","10","2","4","1") = "9"
    & skf18("5","7","9","10","2","5","1") = "9"
    & skf18("5","7","9","10","2","6","1") = "9"
    & skf18("5","7","9","10","2","7","1") = "9"
    & skf18("5","7","9","10","2","8","1") = "9"
    & skf18("5","7","9","10","2","9","1") = "9"
    & skf18("5","7","9","10","2","10","1") = "9"
    & skf18("5","7","9","10","3","1","1") = "9"
    & skf18("5","7","9","10","3","2","1") = "9"
    & skf18("5","7","9","10","3","3","1") = "9"
    & skf18("5","7","9","10","3","4","1") = "9"
    & skf18("5","7","9","10","3","5","1") = "9"
    & skf18("5","7","9","10","3","6","1") = "9"
    & skf18("5","7","9","10","3","7","1") = "9"
    & skf18("5","7","9","10","3","8","1") = "9"
    & skf18("5","7","9","10","3","9","1") = "9"
    & skf18("5","7","9","10","3","10","1") = "9"
    & skf18("5","7","9","10","4","1","1") = "9"
    & skf18("5","7","9","10","4","2","1") = "9"
    & skf18("5","7","9","10","4","3","1") = "9"
    & skf18("5","7","9","10","4","4","1") = "9"
    & skf18("5","7","9","10","4","5","1") = "9"
    & skf18("5","7","9","10","4","6","1") = "9"
    & skf18("5","7","9","10","4","7","1") = "9"
    & skf18("5","7","9","10","4","8","1") = "9"
    & skf18("5","7","9","10","4","9","1") = "9"
    & skf18("5","7","9","10","4","10","1") = "9"
    & skf18("5","7","9","10","5","1","1") = "9"
    & skf18("5","7","9","10","5","2","1") = "9"
    & skf18("5","7","9","10","5","3","1") = "9"
    & skf18("5","7","9","10","5","4","1") = "9"
    & skf18("5","7","9","10","5","5","1") = "9"
    & skf18("5","7","9","10","5","6","1") = "9"
    & skf18("5","7","9","10","5","7","1") = "9"
    & skf18("5","7","9","10","5","8","1") = "9"
    & skf18("5","7","9","10","5","9","1") = "9"
    & skf18("5","7","9","10","5","10","1") = "9"
    & skf18("5","7","9","10","6","1","1") = "9"
    & skf18("5","7","9","10","6","2","1") = "9"
    & skf18("5","7","9","10","6","3","1") = "9"
    & skf18("5","7","9","10","6","4","1") = "9"
    & skf18("5","7","9","10","6","5","1") = "9"
    & skf18("5","7","9","10","6","6","1") = "9"
    & skf18("5","7","9","10","6","7","1") = "9"
    & skf18("5","7","9","10","6","8","1") = "9"
    & skf18("5","7","9","10","6","9","1") = "9"
    & skf18("5","7","9","10","6","10","1") = "9"
    & skf18("5","7","9","10","7","1","1") = "9"
    & skf18("5","7","9","10","7","2","1") = "9"
    & skf18("5","7","9","10","7","3","1") = "9"
    & skf18("5","7","9","10","7","4","1") = "9"
    & skf18("5","7","9","10","7","5","1") = "9"
    & skf18("5","7","9","10","7","6","1") = "9"
    & skf18("5","7","9","10","7","7","1") = "9"
    & skf18("5","7","9","10","7","8","1") = "9"
    & skf18("5","7","9","10","7","9","1") = "9"
    & skf18("5","7","9","10","7","10","1") = "9"
    & skf18("5","7","9","10","8","1","1") = "9"
    & skf18("5","7","9","10","8","2","1") = "9"
    & skf18("5","7","9","10","8","3","1") = "9"
    & skf18("5","7","9","10","8","4","1") = "9"
    & skf18("5","7","9","10","8","5","1") = "9"
    & skf18("5","7","9","10","8","6","1") = "9"
    & skf18("5","7","9","10","8","7","1") = "9"
    & skf18("5","7","9","10","8","8","1") = "9"
    & skf18("5","7","9","10","8","9","1") = "9"
    & skf18("5","7","9","10","8","10","1") = "9"
    & skf18("5","7","9","10","9","1","1") = "9"
    & skf18("5","7","9","10","9","2","1") = "9"
    & skf18("5","7","9","10","9","3","1") = "9"
    & skf18("5","7","9","10","9","4","1") = "9"
    & skf18("5","7","9","10","9","5","1") = "9"
    & skf18("5","7","9","10","9","6","1") = "9"
    & skf18("5","7","9","10","9","7","1") = "9"
    & skf18("5","7","9","10","9","8","1") = "9"
    & skf18("5","7","9","10","9","9","1") = "9"
    & skf18("5","7","9","10","9","10","1") = "9"
    & skf18("5","7","9","10","10","1","1") = "9"
    & skf18("5","7","9","10","10","2","1") = "9"
    & skf18("5","7","9","10","10","3","1") = "9"
    & skf18("5","7","9","10","10","4","1") = "9"
    & skf18("5","7","9","10","10","5","1") = "9"
    & skf18("5","7","9","10","10","6","1") = "9"
    & skf18("5","7","9","10","10","7","1") = "9"
    & skf18("5","7","9","10","10","8","1") = "9"
    & skf18("5","7","9","10","10","9","1") = "9"
    & skf18("5","7","9","10","10","10","1") = "9"
    & skf18("5","7","10","1","1","1","1") = "9"
    & skf18("5","7","10","1","1","2","1") = "9"
    & skf18("5","7","10","1","1","3","1") = "9"
    & skf18("5","7","10","1","1","4","1") = "9"
    & skf18("5","7","10","1","1","5","1") = "9"
    & skf18("5","7","10","1","1","6","1") = "9"
    & skf18("5","7","10","1","1","7","1") = "9"
    & skf18("5","7","10","1","1","8","1") = "9"
    & skf18("5","7","10","1","1","9","1") = "9"
    & skf18("5","7","10","1","1","10","1") = "9"
    & skf18("5","7","10","1","2","1","1") = "9"
    & skf18("5","7","10","1","2","2","1") = "9"
    & skf18("5","7","10","1","2","3","1") = "9"
    & skf18("5","7","10","1","2","4","1") = "9"
    & skf18("5","7","10","1","2","5","1") = "9"
    & skf18("5","7","10","1","2","6","1") = "9"
    & skf18("5","7","10","1","2","7","1") = "9"
    & skf18("5","7","10","1","2","8","1") = "9"
    & skf18("5","7","10","1","2","9","1") = "9"
    & skf18("5","7","10","1","2","10","1") = "9"
    & skf18("5","7","10","1","3","1","1") = "9"
    & skf18("5","7","10","1","3","2","1") = "9"
    & skf18("5","7","10","1","3","3","1") = "9"
    & skf18("5","7","10","1","3","4","1") = "9"
    & skf18("5","7","10","1","3","5","1") = "9"
    & skf18("5","7","10","1","3","6","1") = "9"
    & skf18("5","7","10","1","3","7","1") = "9"
    & skf18("5","7","10","1","3","8","1") = "9"
    & skf18("5","7","10","1","3","9","1") = "9"
    & skf18("5","7","10","1","3","10","1") = "9"
    & skf18("5","7","10","1","4","1","1") = "9"
    & skf18("5","7","10","1","4","2","1") = "9"
    & skf18("5","7","10","1","4","3","1") = "9"
    & skf18("5","7","10","1","4","4","1") = "9"
    & skf18("5","7","10","1","4","5","1") = "9"
    & skf18("5","7","10","1","4","6","1") = "9"
    & skf18("5","7","10","1","4","7","1") = "9"
    & skf18("5","7","10","1","4","8","1") = "9"
    & skf18("5","7","10","1","4","9","1") = "9"
    & skf18("5","7","10","1","4","10","1") = "9"
    & skf18("5","7","10","1","5","1","1") = "9"
    & skf18("5","7","10","1","5","2","1") = "9"
    & skf18("5","7","10","1","5","3","1") = "9"
    & skf18("5","7","10","1","5","4","1") = "9"
    & skf18("5","7","10","1","5","5","1") = "9"
    & skf18("5","7","10","1","5","6","1") = "9"
    & skf18("5","7","10","1","5","7","1") = "9"
    & skf18("5","7","10","1","5","8","1") = "9"
    & skf18("5","7","10","1","5","9","1") = "9"
    & skf18("5","7","10","1","5","10","1") = "9"
    & skf18("5","7","10","1","6","1","1") = "9"
    & skf18("5","7","10","1","6","2","1") = "9"
    & skf18("5","7","10","1","6","3","1") = "9"
    & skf18("5","7","10","1","6","4","1") = "9"
    & skf18("5","7","10","1","6","5","1") = "9"
    & skf18("5","7","10","1","6","6","1") = "9"
    & skf18("5","7","10","1","6","7","1") = "9"
    & skf18("5","7","10","1","6","8","1") = "9"
    & skf18("5","7","10","1","6","9","1") = "9"
    & skf18("5","7","10","1","6","10","1") = "9"
    & skf18("5","7","10","1","7","1","1") = "9"
    & skf18("5","7","10","1","7","2","1") = "9"
    & skf18("5","7","10","1","7","3","1") = "9"
    & skf18("5","7","10","1","7","4","1") = "9"
    & skf18("5","7","10","1","7","5","1") = "9"
    & skf18("5","7","10","1","7","6","1") = "9"
    & skf18("5","7","10","1","7","7","1") = "9"
    & skf18("5","7","10","1","7","8","1") = "9"
    & skf18("5","7","10","1","7","9","1") = "9"
    & skf18("5","7","10","1","7","10","1") = "9"
    & skf18("5","7","10","1","8","1","1") = "9"
    & skf18("5","7","10","1","8","2","1") = "9"
    & skf18("5","7","10","1","8","3","1") = "9"
    & skf18("5","7","10","1","8","4","1") = "9"
    & skf18("5","7","10","1","8","5","1") = "9"
    & skf18("5","7","10","1","8","6","1") = "9"
    & skf18("5","7","10","1","8","7","1") = "9"
    & skf18("5","7","10","1","8","8","1") = "9"
    & skf18("5","7","10","1","8","9","1") = "9"
    & skf18("5","7","10","1","8","10","1") = "9"
    & skf18("5","7","10","1","9","1","1") = "9"
    & skf18("5","7","10","1","9","2","1") = "9"
    & skf18("5","7","10","1","9","3","1") = "9"
    & skf18("5","7","10","1","9","4","1") = "9"
    & skf18("5","7","10","1","9","5","1") = "9"
    & skf18("5","7","10","1","9","6","1") = "9"
    & skf18("5","7","10","1","9","7","1") = "9"
    & skf18("5","7","10","1","9","8","1") = "9"
    & skf18("5","7","10","1","9","9","1") = "9"
    & skf18("5","7","10","1","9","10","1") = "9"
    & skf18("5","7","10","1","10","1","1") = "9"
    & skf18("5","7","10","1","10","2","1") = "9"
    & skf18("5","7","10","1","10","3","1") = "9"
    & skf18("5","7","10","1","10","4","1") = "9"
    & skf18("5","7","10","1","10","5","1") = "9"
    & skf18("5","7","10","1","10","6","1") = "9"
    & skf18("5","7","10","1","10","7","1") = "9"
    & skf18("5","7","10","1","10","8","1") = "9"
    & skf18("5","7","10","1","10","9","1") = "9"
    & skf18("5","7","10","1","10","10","1") = "9"
    & skf18("5","7","10","2","1","1","1") = "9"
    & skf18("5","7","10","2","1","2","1") = "9"
    & skf18("5","7","10","2","1","3","1") = "9"
    & skf18("5","7","10","2","1","4","1") = "9"
    & skf18("5","7","10","2","1","5","1") = "9"
    & skf18("5","7","10","2","1","6","1") = "9"
    & skf18("5","7","10","2","1","7","1") = "9"
    & skf18("5","7","10","2","1","8","1") = "9"
    & skf18("5","7","10","2","1","9","1") = "9"
    & skf18("5","7","10","2","1","10","1") = "9"
    & skf18("5","7","10","2","2","1","1") = "9"
    & skf18("5","7","10","2","2","2","1") = "9"
    & skf18("5","7","10","2","2","3","1") = "9"
    & skf18("5","7","10","2","2","4","1") = "9"
    & skf18("5","7","10","2","2","5","1") = "9"
    & skf18("5","7","10","2","2","6","1") = "9"
    & skf18("5","7","10","2","2","7","1") = "9"
    & skf18("5","7","10","2","2","8","1") = "9"
    & skf18("5","7","10","2","2","9","1") = "9"
    & skf18("5","7","10","2","2","10","1") = "9"
    & skf18("5","7","10","2","3","1","1") = "9"
    & skf18("5","7","10","2","3","2","1") = "9"
    & skf18("5","7","10","2","3","3","1") = "9"
    & skf18("5","7","10","2","3","4","1") = "9"
    & skf18("5","7","10","2","3","5","1") = "9"
    & skf18("5","7","10","2","3","6","1") = "9"
    & skf18("5","7","10","2","3","7","1") = "9"
    & skf18("5","7","10","2","3","8","1") = "9"
    & skf18("5","7","10","2","3","9","1") = "9"
    & skf18("5","7","10","2","3","10","1") = "9"
    & skf18("5","7","10","2","4","1","1") = "9"
    & skf18("5","7","10","2","4","2","1") = "9"
    & skf18("5","7","10","2","4","3","1") = "9"
    & skf18("5","7","10","2","4","4","1") = "9"
    & skf18("5","7","10","2","4","5","1") = "9"
    & skf18("5","7","10","2","4","6","1") = "9"
    & skf18("5","7","10","2","4","7","1") = "9"
    & skf18("5","7","10","2","4","8","1") = "9"
    & skf18("5","7","10","2","4","9","1") = "9"
    & skf18("5","7","10","2","4","10","1") = "9"
    & skf18("5","7","10","2","5","1","1") = "9"
    & skf18("5","7","10","2","5","2","1") = "9"
    & skf18("5","7","10","2","5","3","1") = "9"
    & skf18("5","7","10","2","5","4","1") = "9"
    & skf18("5","7","10","2","5","5","1") = "9"
    & skf18("5","7","10","2","5","6","1") = "9"
    & skf18("5","7","10","2","5","7","1") = "9"
    & skf18("5","7","10","2","5","8","1") = "9"
    & skf18("5","7","10","2","5","9","1") = "9"
    & skf18("5","7","10","2","5","10","1") = "9"
    & skf18("5","7","10","2","6","1","1") = "9"
    & skf18("5","7","10","2","6","2","1") = "9"
    & skf18("5","7","10","2","6","3","1") = "9"
    & skf18("5","7","10","2","6","4","1") = "9"
    & skf18("5","7","10","2","6","5","1") = "9"
    & skf18("5","7","10","2","6","6","1") = "9"
    & skf18("5","7","10","2","6","7","1") = "9"
    & skf18("5","7","10","2","6","8","1") = "9"
    & skf18("5","7","10","2","6","9","1") = "9"
    & skf18("5","7","10","2","6","10","1") = "9"
    & skf18("5","7","10","2","7","1","1") = "9"
    & skf18("5","7","10","2","7","2","1") = "9"
    & skf18("5","7","10","2","7","3","1") = "9"
    & skf18("5","7","10","2","7","4","1") = "9"
    & skf18("5","7","10","2","7","5","1") = "9"
    & skf18("5","7","10","2","7","6","1") = "9"
    & skf18("5","7","10","2","7","7","1") = "9"
    & skf18("5","7","10","2","7","8","1") = "9"
    & skf18("5","7","10","2","7","9","1") = "9"
    & skf18("5","7","10","2","7","10","1") = "9"
    & skf18("5","7","10","2","8","1","1") = "9"
    & skf18("5","7","10","2","8","2","1") = "9"
    & skf18("5","7","10","2","8","3","1") = "9"
    & skf18("5","7","10","2","8","4","1") = "9"
    & skf18("5","7","10","2","8","5","1") = "9"
    & skf18("5","7","10","2","8","6","1") = "9"
    & skf18("5","7","10","2","8","7","1") = "9"
    & skf18("5","7","10","2","8","8","1") = "9"
    & skf18("5","7","10","2","8","9","1") = "9"
    & skf18("5","7","10","2","8","10","1") = "9"
    & skf18("5","7","10","2","9","1","1") = "9"
    & skf18("5","7","10","2","9","2","1") = "9"
    & skf18("5","7","10","2","9","3","1") = "9"
    & skf18("5","7","10","2","9","4","1") = "9"
    & skf18("5","7","10","2","9","5","1") = "9"
    & skf18("5","7","10","2","9","6","1") = "9"
    & skf18("5","7","10","2","9","7","1") = "9"
    & skf18("5","7","10","2","9","8","1") = "9"
    & skf18("5","7","10","2","9","9","1") = "9"
    & skf18("5","7","10","2","9","10","1") = "9"
    & skf18("5","7","10","2","10","1","1") = "9"
    & skf18("5","7","10","2","10","2","1") = "9"
    & skf18("5","7","10","2","10","3","1") = "9"
    & skf18("5","7","10","2","10","4","1") = "9"
    & skf18("5","7","10","2","10","5","1") = "9"
    & skf18("5","7","10","2","10","6","1") = "9"
    & skf18("5","7","10","2","10","7","1") = "9"
    & skf18("5","7","10","2","10","8","1") = "9"
    & skf18("5","7","10","2","10","9","1") = "9"
    & skf18("5","7","10","2","10","10","1") = "9"
    & skf18("5","7","10","3","1","1","1") = "9"
    & skf18("5","7","10","3","1","2","1") = "9"
    & skf18("5","7","10","3","1","3","1") = "9"
    & skf18("5","7","10","3","1","4","1") = "9"
    & skf18("5","7","10","3","1","5","1") = "9"
    & skf18("5","7","10","3","1","6","1") = "9"
    & skf18("5","7","10","3","1","7","1") = "9"
    & skf18("5","7","10","3","1","8","1") = "9"
    & skf18("5","7","10","3","1","9","1") = "9"
    & skf18("5","7","10","3","1","10","1") = "9"
    & skf18("5","7","10","3","2","1","1") = "9"
    & skf18("5","7","10","3","2","2","1") = "9"
    & skf18("5","7","10","3","2","3","1") = "9"
    & skf18("5","7","10","3","2","4","1") = "9"
    & skf18("5","7","10","3","2","5","1") = "9"
    & skf18("5","7","10","3","2","6","1") = "9"
    & skf18("5","7","10","3","2","7","1") = "9"
    & skf18("5","7","10","3","2","8","1") = "9"
    & skf18("5","7","10","3","2","9","1") = "9"
    & skf18("5","7","10","3","2","10","1") = "9"
    & skf18("5","7","10","3","3","1","1") = "9"
    & skf18("5","7","10","3","3","2","1") = "9"
    & skf18("5","7","10","3","3","3","1") = "9"
    & skf18("5","7","10","3","3","4","1") = "9"
    & skf18("5","7","10","3","3","5","1") = "9"
    & skf18("5","7","10","3","3","6","1") = "9"
    & skf18("5","7","10","3","3","7","1") = "9"
    & skf18("5","7","10","3","3","8","1") = "9"
    & skf18("5","7","10","3","3","9","1") = "9"
    & skf18("5","7","10","3","3","10","1") = "9"
    & skf18("5","7","10","3","4","1","1") = "9"
    & skf18("5","7","10","3","4","2","1") = "9"
    & skf18("5","7","10","3","4","3","1") = "9"
    & skf18("5","7","10","3","4","4","1") = "9"
    & skf18("5","7","10","3","4","5","1") = "9"
    & skf18("5","7","10","3","4","6","1") = "9"
    & skf18("5","7","10","3","4","7","1") = "9"
    & skf18("5","7","10","3","4","8","1") = "9"
    & skf18("5","7","10","3","4","9","1") = "9"
    & skf18("5","7","10","3","4","10","1") = "9"
    & skf18("5","7","10","3","5","1","1") = "9"
    & skf18("5","7","10","3","5","2","1") = "9"
    & skf18("5","7","10","3","5","3","1") = "9"
    & skf18("5","7","10","3","5","4","1") = "9"
    & skf18("5","7","10","3","5","5","1") = "9"
    & skf18("5","7","10","3","5","6","1") = "9"
    & skf18("5","7","10","3","5","7","1") = "9"
    & skf18("5","7","10","3","5","8","1") = "9"
    & skf18("5","7","10","3","5","9","1") = "9"
    & skf18("5","7","10","3","5","10","1") = "9"
    & skf18("5","7","10","3","6","1","1") = "9"
    & skf18("5","7","10","3","6","2","1") = "9"
    & skf18("5","7","10","3","6","3","1") = "9"
    & skf18("5","7","10","3","6","4","1") = "9"
    & skf18("5","7","10","3","6","5","1") = "9"
    & skf18("5","7","10","3","6","6","1") = "9"
    & skf18("5","7","10","3","6","7","1") = "9"
    & skf18("5","7","10","3","6","8","1") = "9"
    & skf18("5","7","10","3","6","9","1") = "9"
    & skf18("5","7","10","3","6","10","1") = "9"
    & skf18("5","7","10","3","7","1","1") = "9"
    & skf18("5","7","10","3","7","2","1") = "9"
    & skf18("5","7","10","3","7","3","1") = "9"
    & skf18("5","7","10","3","7","4","1") = "9"
    & skf18("5","7","10","3","7","5","1") = "9"
    & skf18("5","7","10","3","7","6","1") = "9"
    & skf18("5","7","10","3","7","7","1") = "9"
    & skf18("5","7","10","3","7","8","1") = "9"
    & skf18("5","7","10","3","7","9","1") = "9"
    & skf18("5","7","10","3","7","10","1") = "9"
    & skf18("5","7","10","3","8","1","1") = "9"
    & skf18("5","7","10","3","8","2","1") = "9"
    & skf18("5","7","10","3","8","3","1") = "9"
    & skf18("5","7","10","3","8","4","1") = "9"
    & skf18("5","7","10","3","8","5","1") = "9"
    & skf18("5","7","10","3","8","6","1") = "9"
    & skf18("5","7","10","3","8","7","1") = "9"
    & skf18("5","7","10","3","8","8","1") = "9"
    & skf18("5","7","10","3","8","9","1") = "9"
    & skf18("5","7","10","3","8","10","1") = "9"
    & skf18("5","7","10","3","9","1","1") = "9"
    & skf18("5","7","10","3","9","2","1") = "9"
    & skf18("5","7","10","3","9","3","1") = "9"
    & skf18("5","7","10","3","9","4","1") = "9"
    & skf18("5","7","10","3","9","5","1") = "9"
    & skf18("5","7","10","3","9","6","1") = "9"
    & skf18("5","7","10","3","9","7","1") = "9"
    & skf18("5","7","10","3","9","8","1") = "9"
    & skf18("5","7","10","3","9","9","1") = "9"
    & skf18("5","7","10","3","9","10","1") = "9"
    & skf18("5","7","10","3","10","1","1") = "9"
    & skf18("5","7","10","3","10","2","1") = "9"
    & skf18("5","7","10","3","10","3","1") = "9"
    & skf18("5","7","10","3","10","4","1") = "9"
    & skf18("5","7","10","3","10","5","1") = "9"
    & skf18("5","7","10","3","10","6","1") = "9"
    & skf18("5","7","10","3","10","7","1") = "9"
    & skf18("5","7","10","3","10","8","1") = "9"
    & skf18("5","7","10","3","10","9","1") = "9"
    & skf18("5","7","10","3","10","10","1") = "9"
    & skf18("5","7","10","4","1","1","1") = "9"
    & skf18("5","7","10","4","1","2","1") = "9"
    & skf18("5","7","10","4","1","3","1") = "9"
    & skf18("5","7","10","4","1","4","1") = "9"
    & skf18("5","7","10","4","1","5","1") = "9"
    & skf18("5","7","10","4","1","6","1") = "9"
    & skf18("5","7","10","4","1","7","1") = "9"
    & skf18("5","7","10","4","1","8","1") = "9"
    & skf18("5","7","10","4","1","9","1") = "9"
    & skf18("5","7","10","4","1","10","1") = "9"
    & skf18("5","7","10","4","2","1","1") = "9"
    & skf18("5","7","10","4","2","2","1") = "9"
    & skf18("5","7","10","4","2","3","1") = "9"
    & skf18("5","7","10","4","2","4","1") = "9"
    & skf18("5","7","10","4","2","5","1") = "9"
    & skf18("5","7","10","4","2","6","1") = "9"
    & skf18("5","7","10","4","2","7","1") = "9"
    & skf18("5","7","10","4","2","8","1") = "9"
    & skf18("5","7","10","4","2","9","1") = "9"
    & skf18("5","7","10","4","2","10","1") = "9"
    & skf18("5","7","10","4","3","1","1") = "9"
    & skf18("5","7","10","4","3","2","1") = "9"
    & skf18("5","7","10","4","3","3","1") = "9"
    & skf18("5","7","10","4","3","4","1") = "9"
    & skf18("5","7","10","4","3","5","1") = "9"
    & skf18("5","7","10","4","3","6","1") = "9"
    & skf18("5","7","10","4","3","7","1") = "9"
    & skf18("5","7","10","4","3","8","1") = "9"
    & skf18("5","7","10","4","3","9","1") = "9"
    & skf18("5","7","10","4","3","10","1") = "9"
    & skf18("5","7","10","4","4","1","1") = "9"
    & skf18("5","7","10","4","4","2","1") = "9"
    & skf18("5","7","10","4","4","3","1") = "9"
    & skf18("5","7","10","4","4","4","1") = "9"
    & skf18("5","7","10","4","4","5","1") = "9"
    & skf18("5","7","10","4","4","6","1") = "9"
    & skf18("5","7","10","4","4","7","1") = "9"
    & skf18("5","7","10","4","4","8","1") = "9"
    & skf18("5","7","10","4","4","9","1") = "9"
    & skf18("5","7","10","4","4","10","1") = "9"
    & skf18("5","7","10","4","5","1","1") = "9"
    & skf18("5","7","10","4","5","2","1") = "9"
    & skf18("5","7","10","4","5","3","1") = "9"
    & skf18("5","7","10","4","5","4","1") = "9"
    & skf18("5","7","10","4","5","5","1") = "9"
    & skf18("5","7","10","4","5","6","1") = "9"
    & skf18("5","7","10","4","5","7","1") = "9"
    & skf18("5","7","10","4","5","8","1") = "9"
    & skf18("5","7","10","4","5","9","1") = "9"
    & skf18("5","7","10","4","5","10","1") = "9"
    & skf18("5","7","10","4","6","1","1") = "9"
    & skf18("5","7","10","4","6","2","1") = "9"
    & skf18("5","7","10","4","6","3","1") = "9"
    & skf18("5","7","10","4","6","4","1") = "9"
    & skf18("5","7","10","4","6","5","1") = "9"
    & skf18("5","7","10","4","6","6","1") = "9"
    & skf18("5","7","10","4","6","7","1") = "9"
    & skf18("5","7","10","4","6","8","1") = "9"
    & skf18("5","7","10","4","6","9","1") = "9"
    & skf18("5","7","10","4","6","10","1") = "9"
    & skf18("5","7","10","4","7","1","1") = "9"
    & skf18("5","7","10","4","7","2","1") = "9"
    & skf18("5","7","10","4","7","3","1") = "9"
    & skf18("5","7","10","4","7","4","1") = "9"
    & skf18("5","7","10","4","7","5","1") = "9"
    & skf18("5","7","10","4","7","6","1") = "9"
    & skf18("5","7","10","4","7","7","1") = "9"
    & skf18("5","7","10","4","7","8","1") = "9"
    & skf18("5","7","10","4","7","9","1") = "9"
    & skf18("5","7","10","4","7","10","1") = "9"
    & skf18("5","7","10","4","8","1","1") = "9"
    & skf18("5","7","10","4","8","2","1") = "9"
    & skf18("5","7","10","4","8","3","1") = "9"
    & skf18("5","7","10","4","8","4","1") = "9"
    & skf18("5","7","10","4","8","5","1") = "9"
    & skf18("5","7","10","4","8","6","1") = "9"
    & skf18("5","7","10","4","8","7","1") = "9"
    & skf18("5","7","10","4","8","8","1") = "9"
    & skf18("5","7","10","4","8","9","1") = "9"
    & skf18("5","7","10","4","8","10","1") = "9"
    & skf18("5","7","10","4","9","1","1") = "9"
    & skf18("5","7","10","4","9","2","1") = "9"
    & skf18("5","7","10","4","9","3","1") = "9"
    & skf18("5","7","10","4","9","4","1") = "9"
    & skf18("5","7","10","4","9","5","1") = "9"
    & skf18("5","7","10","4","9","6","1") = "9"
    & skf18("5","7","10","4","9","7","1") = "9"
    & skf18("5","7","10","4","9","8","1") = "9"
    & skf18("5","7","10","4","9","9","1") = "9"
    & skf18("5","7","10","4","9","10","1") = "9"
    & skf18("5","7","10","4","10","1","1") = "9"
    & skf18("5","7","10","4","10","2","1") = "9"
    & skf18("5","7","10","4","10","3","1") = "9"
    & skf18("5","7","10","4","10","4","1") = "9"
    & skf18("5","7","10","4","10","5","1") = "9"
    & skf18("5","7","10","4","10","6","1") = "9"
    & skf18("5","7","10","4","10","7","1") = "9"
    & skf18("5","7","10","4","10","8","1") = "9"
    & skf18("5","7","10","4","10","9","1") = "9"
    & skf18("5","7","10","4","10","10","1") = "9"
    & skf18("5","7","10","5","1","1","1") = "9"
    & skf18("5","7","10","5","1","2","1") = "9"
    & skf18("5","7","10","5","1","3","1") = "9"
    & skf18("5","7","10","5","1","4","1") = "9"
    & skf18("5","7","10","5","1","5","1") = "9"
    & skf18("5","7","10","5","1","6","1") = "9"
    & skf18("5","7","10","5","1","7","1") = "9"
    & skf18("5","7","10","5","1","8","1") = "9"
    & skf18("5","7","10","5","1","9","1") = "9"
    & skf18("5","7","10","5","1","10","1") = "9"
    & skf18("5","7","10","5","2","1","1") = "9"
    & skf18("5","7","10","5","2","2","1") = "9"
    & skf18("5","7","10","5","2","3","1") = "9"
    & skf18("5","7","10","5","2","4","1") = "9"
    & skf18("5","7","10","5","2","5","1") = "9"
    & skf18("5","7","10","5","2","6","1") = "9"
    & skf18("5","7","10","5","2","7","1") = "9"
    & skf18("5","7","10","5","2","8","1") = "9"
    & skf18("5","7","10","5","2","9","1") = "9"
    & skf18("5","7","10","5","2","10","1") = "9"
    & skf18("5","7","10","5","3","1","1") = "9"
    & skf18("5","7","10","5","3","2","1") = "9"
    & skf18("5","7","10","5","3","3","1") = "9"
    & skf18("5","7","10","5","3","4","1") = "9"
    & skf18("5","7","10","5","3","5","1") = "9"
    & skf18("5","7","10","5","3","6","1") = "9"
    & skf18("5","7","10","5","3","7","1") = "9"
    & skf18("5","7","10","5","3","8","1") = "9"
    & skf18("5","7","10","5","3","9","1") = "9"
    & skf18("5","7","10","5","3","10","1") = "9"
    & skf18("5","7","10","5","4","1","1") = "9"
    & skf18("5","7","10","5","4","2","1") = "9"
    & skf18("5","7","10","5","4","3","1") = "9"
    & skf18("5","7","10","5","4","4","1") = "9"
    & skf18("5","7","10","5","4","5","1") = "9"
    & skf18("5","7","10","5","4","6","1") = "9"
    & skf18("5","7","10","5","4","7","1") = "9"
    & skf18("5","7","10","5","4","8","1") = "9"
    & skf18("5","7","10","5","4","9","1") = "9"
    & skf18("5","7","10","5","4","10","1") = "9"
    & skf18("5","7","10","5","5","1","1") = "9"
    & skf18("5","7","10","5","5","2","1") = "9"
    & skf18("5","7","10","5","5","3","1") = "9"
    & skf18("5","7","10","5","5","4","1") = "9"
    & skf18("5","7","10","5","5","5","1") = "9"
    & skf18("5","7","10","5","5","6","1") = "9"
    & skf18("5","7","10","5","5","7","1") = "9"
    & skf18("5","7","10","5","5","8","1") = "9"
    & skf18("5","7","10","5","5","9","1") = "9"
    & skf18("5","7","10","5","5","10","1") = "9"
    & skf18("5","7","10","5","6","1","1") = "9"
    & skf18("5","7","10","5","6","2","1") = "9"
    & skf18("5","7","10","5","6","3","1") = "9"
    & skf18("5","7","10","5","6","4","1") = "9"
    & skf18("5","7","10","5","6","5","1") = "9"
    & skf18("5","7","10","5","6","6","1") = "9"
    & skf18("5","7","10","5","6","7","1") = "9"
    & skf18("5","7","10","5","6","8","1") = "9"
    & skf18("5","7","10","5","6","9","1") = "9"
    & skf18("5","7","10","5","6","10","1") = "9"
    & skf18("5","7","10","5","7","1","1") = "9"
    & skf18("5","7","10","5","7","2","1") = "9"
    & skf18("5","7","10","5","7","3","1") = "9"
    & skf18("5","7","10","5","7","4","1") = "9"
    & skf18("5","7","10","5","7","5","1") = "9"
    & skf18("5","7","10","5","7","6","1") = "9"
    & skf18("5","7","10","5","7","7","1") = "9"
    & skf18("5","7","10","5","7","8","1") = "9"
    & skf18("5","7","10","5","7","9","1") = "9"
    & skf18("5","7","10","5","7","10","1") = "9"
    & skf18("5","7","10","5","8","1","1") = "9"
    & skf18("5","7","10","5","8","2","1") = "9"
    & skf18("5","7","10","5","8","3","1") = "9"
    & skf18("5","7","10","5","8","4","1") = "9"
    & skf18("5","7","10","5","8","5","1") = "9"
    & skf18("5","7","10","5","8","6","1") = "9"
    & skf18("5","7","10","5","8","7","1") = "9"
    & skf18("5","7","10","5","8","8","1") = "9"
    & skf18("5","7","10","5","8","9","1") = "9"
    & skf18("5","7","10","5","8","10","1") = "9"
    & skf18("5","7","10","5","9","1","1") = "9"
    & skf18("5","7","10","5","9","2","1") = "9"
    & skf18("5","7","10","5","9","3","1") = "9"
    & skf18("5","7","10","5","9","4","1") = "9"
    & skf18("5","7","10","5","9","5","1") = "9"
    & skf18("5","7","10","5","9","6","1") = "9"
    & skf18("5","7","10","5","9","7","1") = "9"
    & skf18("5","7","10","5","9","8","1") = "9"
    & skf18("5","7","10","5","9","9","1") = "9"
    & skf18("5","7","10","5","9","10","1") = "9"
    & skf18("5","7","10","5","10","1","1") = "9"
    & skf18("5","7","10","5","10","2","1") = "9"
    & skf18("5","7","10","5","10","3","1") = "9"
    & skf18("5","7","10","5","10","4","1") = "9"
    & skf18("5","7","10","5","10","5","1") = "9"
    & skf18("5","7","10","5","10","6","1") = "9"
    & skf18("5","7","10","5","10","7","1") = "9"
    & skf18("5","7","10","5","10","8","1") = "9"
    & skf18("5","7","10","5","10","9","1") = "9"
    & skf18("5","7","10","5","10","10","1") = "9"
    & skf18("5","7","10","6","1","1","1") = "9"
    & skf18("5","7","10","6","1","2","1") = "9"
    & skf18("5","7","10","6","1","3","1") = "9"
    & skf18("5","7","10","6","1","4","1") = "9"
    & skf18("5","7","10","6","1","5","1") = "9"
    & skf18("5","7","10","6","1","6","1") = "9"
    & skf18("5","7","10","6","1","7","1") = "9"
    & skf18("5","7","10","6","1","8","1") = "9"
    & skf18("5","7","10","6","1","9","1") = "9"
    & skf18("5","7","10","6","1","10","1") = "9"
    & skf18("5","7","10","6","2","1","1") = "9"
    & skf18("5","7","10","6","2","2","1") = "9"
    & skf18("5","7","10","6","2","3","1") = "9"
    & skf18("5","7","10","6","2","4","1") = "9"
    & skf18("5","7","10","6","2","5","1") = "9"
    & skf18("5","7","10","6","2","6","1") = "9"
    & skf18("5","7","10","6","2","7","1") = "9"
    & skf18("5","7","10","6","2","8","1") = "9"
    & skf18("5","7","10","6","2","9","1") = "9"
    & skf18("5","7","10","6","2","10","1") = "9"
    & skf18("5","7","10","6","3","1","1") = "9"
    & skf18("5","7","10","6","3","2","1") = "9"
    & skf18("5","7","10","6","3","3","1") = "9"
    & skf18("5","7","10","6","3","4","1") = "9"
    & skf18("5","7","10","6","3","5","1") = "9"
    & skf18("5","7","10","6","3","6","1") = "9"
    & skf18("5","7","10","6","3","7","1") = "9"
    & skf18("5","7","10","6","3","8","1") = "9"
    & skf18("5","7","10","6","3","9","1") = "9"
    & skf18("5","7","10","6","3","10","1") = "9"
    & skf18("5","7","10","6","4","1","1") = "9"
    & skf18("5","7","10","6","4","2","1") = "9"
    & skf18("5","7","10","6","4","3","1") = "9"
    & skf18("5","7","10","6","4","4","1") = "9"
    & skf18("5","7","10","6","4","5","1") = "9"
    & skf18("5","7","10","6","4","6","1") = "9"
    & skf18("5","7","10","6","4","7","1") = "9"
    & skf18("5","7","10","6","4","8","1") = "9"
    & skf18("5","7","10","6","4","9","1") = "9"
    & skf18("5","7","10","6","4","10","1") = "9"
    & skf18("5","7","10","6","5","1","1") = "9"
    & skf18("5","7","10","6","5","2","1") = "9"
    & skf18("5","7","10","6","5","3","1") = "9"
    & skf18("5","7","10","6","5","4","1") = "9"
    & skf18("5","7","10","6","5","5","1") = "9"
    & skf18("5","7","10","6","5","6","1") = "9"
    & skf18("5","7","10","6","5","7","1") = "9"
    & skf18("5","7","10","6","5","8","1") = "9"
    & skf18("5","7","10","6","5","9","1") = "9"
    & skf18("5","7","10","6","5","10","1") = "9"
    & skf18("5","7","10","6","6","1","1") = "9"
    & skf18("5","7","10","6","6","2","1") = "9"
    & skf18("5","7","10","6","6","3","1") = "9"
    & skf18("5","7","10","6","6","4","1") = "9"
    & skf18("5","7","10","6","6","5","1") = "9"
    & skf18("5","7","10","6","6","6","1") = "9"
    & skf18("5","7","10","6","6","7","1") = "9"
    & skf18("5","7","10","6","6","8","1") = "9"
    & skf18("5","7","10","6","6","9","1") = "9"
    & skf18("5","7","10","6","6","10","1") = "9"
    & skf18("5","7","10","6","7","1","1") = "9"
    & skf18("5","7","10","6","7","2","1") = "9"
    & skf18("5","7","10","6","7","3","1") = "9"
    & skf18("5","7","10","6","7","4","1") = "9"
    & skf18("5","7","10","6","7","5","1") = "9"
    & skf18("5","7","10","6","7","6","1") = "9"
    & skf18("5","7","10","6","7","7","1") = "9"
    & skf18("5","7","10","6","7","8","1") = "9"
    & skf18("5","7","10","6","7","9","1") = "9"
    & skf18("5","7","10","6","7","10","1") = "9"
    & skf18("5","7","10","6","8","1","1") = "9"
    & skf18("5","7","10","6","8","2","1") = "9"
    & skf18("5","7","10","6","8","3","1") = "9"
    & skf18("5","7","10","6","8","4","1") = "9"
    & skf18("5","7","10","6","8","5","1") = "9"
    & skf18("5","7","10","6","8","6","1") = "9"
    & skf18("5","7","10","6","8","7","1") = "9"
    & skf18("5","7","10","6","8","8","1") = "9"
    & skf18("5","7","10","6","8","9","1") = "9"
    & skf18("5","7","10","6","8","10","1") = "9"
    & skf18("5","7","10","6","9","1","1") = "9"
    & skf18("5","7","10","6","9","2","1") = "9"
    & skf18("5","7","10","6","9","3","1") = "9"
    & skf18("5","7","10","6","9","4","1") = "9"
    & skf18("5","7","10","6","9","5","1") = "9"
    & skf18("5","7","10","6","9","6","1") = "9"
    & skf18("5","7","10","6","9","7","1") = "9"
    & skf18("5","7","10","6","9","8","1") = "9"
    & skf18("5","7","10","6","9","9","1") = "9"
    & skf18("5","7","10","6","9","10","1") = "9"
    & skf18("5","7","10","6","10","1","1") = "9"
    & skf18("5","7","10","6","10","2","1") = "9"
    & skf18("5","7","10","6","10","3","1") = "9"
    & skf18("5","7","10","6","10","4","1") = "9"
    & skf18("5","7","10","6","10","5","1") = "9"
    & skf18("5","7","10","6","10","6","1") = "9"
    & skf18("5","7","10","6","10","7","1") = "9"
    & skf18("5","7","10","6","10","8","1") = "9"
    & skf18("5","7","10","6","10","9","1") = "9"
    & skf18("5","7","10","6","10","10","1") = "9"
    & skf18("5","7","10","7","1","1","1") = "9"
    & skf18("5","7","10","7","1","2","1") = "9"
    & skf18("5","7","10","7","1","3","1") = "9"
    & skf18("5","7","10","7","1","4","1") = "9"
    & skf18("5","7","10","7","1","5","1") = "9"
    & skf18("5","7","10","7","1","6","1") = "9"
    & skf18("5","7","10","7","1","7","1") = "9"
    & skf18("5","7","10","7","1","8","1") = "9"
    & skf18("5","7","10","7","1","9","1") = "9"
    & skf18("5","7","10","7","1","10","1") = "9"
    & skf18("5","7","10","7","2","1","1") = "9"
    & skf18("5","7","10","7","2","2","1") = "9"
    & skf18("5","7","10","7","2","3","1") = "9"
    & skf18("5","7","10","7","2","4","1") = "9"
    & skf18("5","7","10","7","2","5","1") = "9"
    & skf18("5","7","10","7","2","6","1") = "9"
    & skf18("5","7","10","7","2","7","1") = "9"
    & skf18("5","7","10","7","2","8","1") = "9"
    & skf18("5","7","10","7","2","9","1") = "9"
    & skf18("5","7","10","7","2","10","1") = "9"
    & skf18("5","7","10","7","3","1","1") = "9"
    & skf18("5","7","10","7","3","2","1") = "9"
    & skf18("5","7","10","7","3","3","1") = "9"
    & skf18("5","7","10","7","3","4","1") = "9"
    & skf18("5","7","10","7","3","5","1") = "9"
    & skf18("5","7","10","7","3","6","1") = "9"
    & skf18("5","7","10","7","3","7","1") = "9"
    & skf18("5","7","10","7","3","8","1") = "9"
    & skf18("5","7","10","7","3","9","1") = "9"
    & skf18("5","7","10","7","3","10","1") = "9"
    & skf18("5","7","10","7","4","1","1") = "9"
    & skf18("5","7","10","7","4","2","1") = "9"
    & skf18("5","7","10","7","4","3","1") = "9"
    & skf18("5","7","10","7","4","4","1") = "9"
    & skf18("5","7","10","7","4","5","1") = "9"
    & skf18("5","7","10","7","4","6","1") = "9"
    & skf18("5","7","10","7","4","7","1") = "9"
    & skf18("5","7","10","7","4","8","1") = "9"
    & skf18("5","7","10","7","4","9","1") = "9"
    & skf18("5","7","10","7","4","10","1") = "9"
    & skf18("5","7","10","7","5","1","1") = "9"
    & skf18("5","7","10","7","5","2","1") = "9"
    & skf18("5","7","10","7","5","3","1") = "9"
    & skf18("5","7","10","7","5","4","1") = "9"
    & skf18("5","7","10","7","5","5","1") = "9"
    & skf18("5","7","10","7","5","6","1") = "9"
    & skf18("5","7","10","7","5","7","1") = "9"
    & skf18("5","7","10","7","5","8","1") = "9"
    & skf18("5","7","10","7","5","9","1") = "9"
    & skf18("5","7","10","7","5","10","1") = "9"
    & skf18("5","7","10","7","6","1","1") = "9"
    & skf18("5","7","10","7","6","2","1") = "9"
    & skf18("5","7","10","7","6","3","1") = "9"
    & skf18("5","7","10","7","6","4","1") = "9"
    & skf18("5","7","10","7","6","5","1") = "9"
    & skf18("5","7","10","7","6","6","1") = "9"
    & skf18("5","7","10","7","6","7","1") = "9"
    & skf18("5","7","10","7","6","8","1") = "9"
    & skf18("5","7","10","7","6","9","1") = "9"
    & skf18("5","7","10","7","6","10","1") = "9"
    & skf18("5","7","10","7","7","1","1") = "9"
    & skf18("5","7","10","7","7","2","1") = "9"
    & skf18("5","7","10","7","7","3","1") = "9"
    & skf18("5","7","10","7","7","4","1") = "9"
    & skf18("5","7","10","7","7","5","1") = "9"
    & skf18("5","7","10","7","7","6","1") = "9"
    & skf18("5","7","10","7","7","7","1") = "9"
    & skf18("5","7","10","7","7","8","1") = "9"
    & skf18("5","7","10","7","7","9","1") = "9"
    & skf18("5","7","10","7","7","10","1") = "9"
    & skf18("5","7","10","7","8","1","1") = "9"
    & skf18("5","7","10","7","8","2","1") = "9"
    & skf18("5","7","10","7","8","3","1") = "9"
    & skf18("5","7","10","7","8","4","1") = "9"
    & skf18("5","7","10","7","8","5","1") = "9"
    & skf18("5","7","10","7","8","6","1") = "9"
    & skf18("5","7","10","7","8","7","1") = "9"
    & skf18("5","7","10","7","8","8","1") = "9"
    & skf18("5","7","10","7","8","9","1") = "9"
    & skf18("5","7","10","7","8","10","1") = "9"
    & skf18("5","7","10","7","9","1","1") = "9"
    & skf18("5","7","10","7","9","2","1") = "9"
    & skf18("5","7","10","7","9","3","1") = "9"
    & skf18("5","7","10","7","9","4","1") = "9"
    & skf18("5","7","10","7","9","5","1") = "9"
    & skf18("5","7","10","7","9","6","1") = "9"
    & skf18("5","7","10","7","9","7","1") = "9"
    & skf18("5","7","10","7","9","8","1") = "9"
    & skf18("5","7","10","7","9","9","1") = "9"
    & skf18("5","7","10","7","9","10","1") = "9"
    & skf18("5","7","10","7","10","1","1") = "9"
    & skf18("5","7","10","7","10","2","1") = "9"
    & skf18("5","7","10","7","10","3","1") = "9"
    & skf18("5","7","10","7","10","4","1") = "9"
    & skf18("5","7","10","7","10","5","1") = "9"
    & skf18("5","7","10","7","10","6","1") = "9"
    & skf18("5","7","10","7","10","7","1") = "9"
    & skf18("5","7","10","7","10","8","1") = "9"
    & skf18("5","7","10","7","10","9","1") = "9"
    & skf18("5","7","10","7","10","10","1") = "9"
    & skf18("5","7","10","8","1","1","1") = "9"
    & skf18("5","7","10","8","1","2","1") = "9"
    & skf18("5","7","10","8","1","3","1") = "9"
    & skf18("5","7","10","8","1","4","1") = "9"
    & skf18("5","7","10","8","1","5","1") = "9"
    & skf18("5","7","10","8","1","6","1") = "9"
    & skf18("5","7","10","8","1","7","1") = "9"
    & skf18("5","7","10","8","1","8","1") = "9"
    & skf18("5","7","10","8","1","9","1") = "9"
    & skf18("5","7","10","8","1","10","1") = "9"
    & skf18("5","7","10","8","2","1","1") = "9"
    & skf18("5","7","10","8","2","2","1") = "9"
    & skf18("5","7","10","8","2","3","1") = "9"
    & skf18("5","7","10","8","2","4","1") = "9"
    & skf18("5","7","10","8","2","5","1") = "9"
    & skf18("5","7","10","8","2","6","1") = "9"
    & skf18("5","7","10","8","2","7","1") = "9"
    & skf18("5","7","10","8","2","8","1") = "9"
    & skf18("5","7","10","8","2","9","1") = "9"
    & skf18("5","7","10","8","2","10","1") = "9"
    & skf18("5","7","10","8","3","1","1") = "9"
    & skf18("5","7","10","8","3","2","1") = "9"
    & skf18("5","7","10","8","3","3","1") = "9"
    & skf18("5","7","10","8","3","4","1") = "9"
    & skf18("5","7","10","8","3","5","1") = "9"
    & skf18("5","7","10","8","3","6","1") = "9"
    & skf18("5","7","10","8","3","7","1") = "9"
    & skf18("5","7","10","8","3","8","1") = "9"
    & skf18("5","7","10","8","3","9","1") = "9"
    & skf18("5","7","10","8","3","10","1") = "9"
    & skf18("5","7","10","8","4","1","1") = "9"
    & skf18("5","7","10","8","4","2","1") = "9"
    & skf18("5","7","10","8","4","3","1") = "9"
    & skf18("5","7","10","8","4","4","1") = "9"
    & skf18("5","7","10","8","4","5","1") = "9"
    & skf18("5","7","10","8","4","6","1") = "9"
    & skf18("5","7","10","8","4","7","1") = "9"
    & skf18("5","7","10","8","4","8","1") = "9"
    & skf18("5","7","10","8","4","9","1") = "9"
    & skf18("5","7","10","8","4","10","1") = "9"
    & skf18("5","7","10","8","5","1","1") = "9"
    & skf18("5","7","10","8","5","2","1") = "9"
    & skf18("5","7","10","8","5","3","1") = "9"
    & skf18("5","7","10","8","5","4","1") = "9"
    & skf18("5","7","10","8","5","5","1") = "9"
    & skf18("5","7","10","8","5","6","1") = "9"
    & skf18("5","7","10","8","5","7","1") = "9"
    & skf18("5","7","10","8","5","8","1") = "9"
    & skf18("5","7","10","8","5","9","1") = "9"
    & skf18("5","7","10","8","5","10","1") = "9"
    & skf18("5","7","10","8","6","1","1") = "9"
    & skf18("5","7","10","8","6","2","1") = "9"
    & skf18("5","7","10","8","6","3","1") = "9"
    & skf18("5","7","10","8","6","4","1") = "9"
    & skf18("5","7","10","8","6","5","1") = "9"
    & skf18("5","7","10","8","6","6","1") = "9"
    & skf18("5","7","10","8","6","7","1") = "9"
    & skf18("5","7","10","8","6","8","1") = "9"
    & skf18("5","7","10","8","6","9","1") = "9"
    & skf18("5","7","10","8","6","10","1") = "9"
    & skf18("5","7","10","8","7","1","1") = "9"
    & skf18("5","7","10","8","7","2","1") = "9"
    & skf18("5","7","10","8","7","3","1") = "9"
    & skf18("5","7","10","8","7","4","1") = "9"
    & skf18("5","7","10","8","7","5","1") = "9"
    & skf18("5","7","10","8","7","6","1") = "9"
    & skf18("5","7","10","8","7","7","1") = "9"
    & skf18("5","7","10","8","7","8","1") = "9"
    & skf18("5","7","10","8","7","9","1") = "9"
    & skf18("5","7","10","8","7","10","1") = "9"
    & skf18("5","7","10","8","8","1","1") = "9"
    & skf18("5","7","10","8","8","2","1") = "9"
    & skf18("5","7","10","8","8","3","1") = "9"
    & skf18("5","7","10","8","8","4","1") = "9"
    & skf18("5","7","10","8","8","5","1") = "9"
    & skf18("5","7","10","8","8","6","1") = "9"
    & skf18("5","7","10","8","8","7","1") = "9"
    & skf18("5","7","10","8","8","8","1") = "9"
    & skf18("5","7","10","8","8","9","1") = "9"
    & skf18("5","7","10","8","8","10","1") = "9"
    & skf18("5","7","10","8","9","1","1") = "9"
    & skf18("5","7","10","8","9","2","1") = "9"
    & skf18("5","7","10","8","9","3","1") = "9"
    & skf18("5","7","10","8","9","4","1") = "9"
    & skf18("5","7","10","8","9","5","1") = "9"
    & skf18("5","7","10","8","9","6","1") = "9"
    & skf18("5","7","10","8","9","7","1") = "9"
    & skf18("5","7","10","8","9","8","1") = "9"
    & skf18("5","7","10","8","9","9","1") = "9"
    & skf18("5","7","10","8","9","10","1") = "9"
    & skf18("5","7","10","8","10","1","1") = "9"
    & skf18("5","7","10","8","10","2","1") = "9"
    & skf18("5","7","10","8","10","3","1") = "9"
    & skf18("5","7","10","8","10","4","1") = "9"
    & skf18("5","7","10","8","10","5","1") = "9"
    & skf18("5","7","10","8","10","6","1") = "9"
    & skf18("5","7","10","8","10","7","1") = "9"
    & skf18("5","7","10","8","10","8","1") = "9"
    & skf18("5","7","10","8","10","9","1") = "9"
    & skf18("5","7","10","8","10","10","1") = "9"
    & skf18("5","7","10","9","1","1","1") = "9"
    & skf18("5","7","10","9","1","2","1") = "9"
    & skf18("5","7","10","9","1","3","1") = "9"
    & skf18("5","7","10","9","1","4","1") = "9"
    & skf18("5","7","10","9","1","5","1") = "9"
    & skf18("5","7","10","9","1","6","1") = "9"
    & skf18("5","7","10","9","1","7","1") = "9"
    & skf18("5","7","10","9","1","8","1") = "9"
    & skf18("5","7","10","9","1","9","1") = "9"
    & skf18("5","7","10","9","1","10","1") = "9"
    & skf18("5","7","10","9","2","1","1") = "9"
    & skf18("5","7","10","9","2","2","1") = "9"
    & skf18("5","7","10","9","2","3","1") = "9"
    & skf18("5","7","10","9","2","4","1") = "9"
    & skf18("5","7","10","9","2","5","1") = "9"
    & skf18("5","7","10","9","2","6","1") = "9"
    & skf18("5","7","10","9","2","7","1") = "9"
    & skf18("5","7","10","9","2","8","1") = "9"
    & skf18("5","7","10","9","2","9","1") = "9"
    & skf18("5","7","10","9","2","10","1") = "9"
    & skf18("5","7","10","9","3","1","1") = "9"
    & skf18("5","7","10","9","3","2","1") = "9"
    & skf18("5","7","10","9","3","3","1") = "9"
    & skf18("5","7","10","9","3","4","1") = "9"
    & skf18("5","7","10","9","3","5","1") = "9"
    & skf18("5","7","10","9","3","6","1") = "9"
    & skf18("5","7","10","9","3","7","1") = "9"
    & skf18("5","7","10","9","3","8","1") = "9"
    & skf18("5","7","10","9","3","9","1") = "9"
    & skf18("5","7","10","9","3","10","1") = "9"
    & skf18("5","7","10","9","4","1","1") = "9"
    & skf18("5","7","10","9","4","2","1") = "9"
    & skf18("5","7","10","9","4","3","1") = "9"
    & skf18("5","7","10","9","4","4","1") = "9"
    & skf18("5","7","10","9","4","5","1") = "9"
    & skf18("5","7","10","9","4","6","1") = "9"
    & skf18("5","7","10","9","4","7","1") = "9"
    & skf18("5","7","10","9","4","8","1") = "9"
    & skf18("5","7","10","9","4","9","1") = "9"
    & skf18("5","7","10","9","4","10","1") = "9"
    & skf18("5","7","10","9","5","1","1") = "9"
    & skf18("5","7","10","9","5","2","1") = "9"
    & skf18("5","7","10","9","5","3","1") = "9"
    & skf18("5","7","10","9","5","4","1") = "9"
    & skf18("5","7","10","9","5","5","1") = "9"
    & skf18("5","7","10","9","5","6","1") = "9"
    & skf18("5","7","10","9","5","7","1") = "9"
    & skf18("5","7","10","9","5","8","1") = "9"
    & skf18("5","7","10","9","5","9","1") = "9"
    & skf18("5","7","10","9","5","10","1") = "9"
    & skf18("5","7","10","9","6","1","1") = "9"
    & skf18("5","7","10","9","6","2","1") = "9"
    & skf18("5","7","10","9","6","3","1") = "9"
    & skf18("5","7","10","9","6","4","1") = "9"
    & skf18("5","7","10","9","6","5","1") = "9"
    & skf18("5","7","10","9","6","6","1") = "9"
    & skf18("5","7","10","9","6","7","1") = "9"
    & skf18("5","7","10","9","6","8","1") = "9"
    & skf18("5","7","10","9","6","9","1") = "9"
    & skf18("5","7","10","9","6","10","1") = "9"
    & skf18("5","7","10","9","7","1","1") = "9"
    & skf18("5","7","10","9","7","2","1") = "9"
    & skf18("5","7","10","9","7","3","1") = "9"
    & skf18("5","7","10","9","7","4","1") = "9"
    & skf18("5","7","10","9","7","5","1") = "9"
    & skf18("5","7","10","9","7","6","1") = "9"
    & skf18("5","7","10","9","7","7","1") = "9"
    & skf18("5","7","10","9","7","8","1") = "9"
    & skf18("5","7","10","9","7","9","1") = "9"
    & skf18("5","7","10","9","7","10","1") = "9"
    & skf18("5","7","10","9","8","1","1") = "9"
    & skf18("5","7","10","9","8","2","1") = "9"
    & skf18("5","7","10","9","8","3","1") = "9"
    & skf18("5","7","10","9","8","4","1") = "9"
    & skf18("5","7","10","9","8","5","1") = "9"
    & skf18("5","7","10","9","8","6","1") = "9"
    & skf18("5","7","10","9","8","7","1") = "9"
    & skf18("5","7","10","9","8","8","1") = "9"
    & skf18("5","7","10","9","8","9","1") = "9"
    & skf18("5","7","10","9","8","10","1") = "9"
    & skf18("5","7","10","9","9","1","1") = "9"
    & skf18("5","7","10","9","9","2","1") = "9"
    & skf18("5","7","10","9","9","3","1") = "9"
    & skf18("5","7","10","9","9","4","1") = "9"
    & skf18("5","7","10","9","9","5","1") = "9"
    & skf18("5","7","10","9","9","6","1") = "9"
    & skf18("5","7","10","9","9","7","1") = "9"
    & skf18("5","7","10","9","9","8","1") = "9"
    & skf18("5","7","10","9","9","9","1") = "9"
    & skf18("5","7","10","9","9","10","1") = "9"
    & skf18("5","7","10","9","10","1","1") = "9"
    & skf18("5","7","10","9","10","2","1") = "9"
    & skf18("5","7","10","9","10","3","1") = "9"
    & skf18("5","7","10","9","10","4","1") = "9"
    & skf18("5","7","10","9","10","5","1") = "9"
    & skf18("5","7","10","9","10","6","1") = "9"
    & skf18("5","7","10","9","10","7","1") = "9"
    & skf18("5","7","10","9","10","8","1") = "9"
    & skf18("5","7","10","9","10","9","1") = "9"
    & skf18("5","7","10","9","10","10","1") = "9"
    & skf18("5","7","10","10","1","1","1") = "9"
    & skf18("5","7","10","10","1","2","1") = "9"
    & skf18("5","7","10","10","1","3","1") = "9"
    & skf18("5","7","10","10","1","4","1") = "9"
    & skf18("5","7","10","10","1","5","1") = "9"
    & skf18("5","7","10","10","1","6","1") = "9"
    & skf18("5","7","10","10","1","7","1") = "9"
    & skf18("5","7","10","10","1","8","1") = "9"
    & skf18("5","7","10","10","1","9","1") = "9"
    & skf18("5","7","10","10","1","10","1") = "9"
    & skf18("5","7","10","10","2","1","1") = "9"
    & skf18("5","7","10","10","2","2","1") = "9"
    & skf18("5","7","10","10","2","3","1") = "9"
    & skf18("5","7","10","10","2","4","1") = "9"
    & skf18("5","7","10","10","2","5","1") = "9"
    & skf18("5","7","10","10","2","6","1") = "9"
    & skf18("5","7","10","10","2","7","1") = "9"
    & skf18("5","7","10","10","2","8","1") = "9"
    & skf18("5","7","10","10","2","9","1") = "9"
    & skf18("5","7","10","10","2","10","1") = "9"
    & skf18("5","7","10","10","3","1","1") = "9"
    & skf18("5","7","10","10","3","2","1") = "9"
    & skf18("5","7","10","10","3","3","1") = "9"
    & skf18("5","7","10","10","3","4","1") = "9"
    & skf18("5","7","10","10","3","5","1") = "9"
    & skf18("5","7","10","10","3","6","1") = "9"
    & skf18("5","7","10","10","3","7","1") = "9"
    & skf18("5","7","10","10","3","8","1") = "9"
    & skf18("5","7","10","10","3","9","1") = "9"
    & skf18("5","7","10","10","3","10","1") = "9"
    & skf18("5","7","10","10","4","1","1") = "9"
    & skf18("5","7","10","10","4","2","1") = "9"
    & skf18("5","7","10","10","4","3","1") = "9"
    & skf18("5","7","10","10","4","4","1") = "9"
    & skf18("5","7","10","10","4","5","1") = "9"
    & skf18("5","7","10","10","4","6","1") = "9"
    & skf18("5","7","10","10","4","7","1") = "9"
    & skf18("5","7","10","10","4","8","1") = "9"
    & skf18("5","7","10","10","4","9","1") = "9"
    & skf18("5","7","10","10","4","10","1") = "9"
    & skf18("5","7","10","10","5","1","1") = "9"
    & skf18("5","7","10","10","5","2","1") = "9"
    & skf18("5","7","10","10","5","3","1") = "9"
    & skf18("5","7","10","10","5","4","1") = "9"
    & skf18("5","7","10","10","5","5","1") = "9"
    & skf18("5","7","10","10","5","6","1") = "9"
    & skf18("5","7","10","10","5","7","1") = "9"
    & skf18("5","7","10","10","5","8","1") = "9"
    & skf18("5","7","10","10","5","9","1") = "9"
    & skf18("5","7","10","10","5","10","1") = "9"
    & skf18("5","7","10","10","6","1","1") = "9"
    & skf18("5","7","10","10","6","2","1") = "9"
    & skf18("5","7","10","10","6","3","1") = "9"
    & skf18("5","7","10","10","6","4","1") = "9"
    & skf18("5","7","10","10","6","5","1") = "9"
    & skf18("5","7","10","10","6","6","1") = "9"
    & skf18("5","7","10","10","6","7","1") = "9"
    & skf18("5","7","10","10","6","8","1") = "9"
    & skf18("5","7","10","10","6","9","1") = "9"
    & skf18("5","7","10","10","6","10","1") = "9"
    & skf18("5","7","10","10","7","1","1") = "9"
    & skf18("5","7","10","10","7","2","1") = "9"
    & skf18("5","7","10","10","7","3","1") = "9"
    & skf18("5","7","10","10","7","4","1") = "9"
    & skf18("5","7","10","10","7","5","1") = "9"
    & skf18("5","7","10","10","7","6","1") = "9"
    & skf18("5","7","10","10","7","7","1") = "9"
    & skf18("5","7","10","10","7","8","1") = "9"
    & skf18("5","7","10","10","7","9","1") = "9"
    & skf18("5","7","10","10","7","10","1") = "9"
    & skf18("5","7","10","10","8","1","1") = "9"
    & skf18("5","7","10","10","8","2","1") = "9"
    & skf18("5","7","10","10","8","3","1") = "9"
    & skf18("5","7","10","10","8","4","1") = "9"
    & skf18("5","7","10","10","8","5","1") = "9"
    & skf18("5","7","10","10","8","6","1") = "9"
    & skf18("5","7","10","10","8","7","1") = "9"
    & skf18("5","7","10","10","8","8","1") = "9"
    & skf18("5","7","10","10","8","9","1") = "9"
    & skf18("5","7","10","10","8","10","1") = "9"
    & skf18("5","7","10","10","9","1","1") = "9"
    & skf18("5","7","10","10","9","2","1") = "9"
    & skf18("5","7","10","10","9","3","1") = "9"
    & skf18("5","7","10","10","9","4","1") = "9"
    & skf18("5","7","10","10","9","5","1") = "9"
    & skf18("5","7","10","10","9","6","1") = "9"
    & skf18("5","7","10","10","9","7","1") = "9"
    & skf18("5","7","10","10","9","8","1") = "9"
    & skf18("5","7","10","10","9","9","1") = "9"
    & skf18("5","7","10","10","9","10","1") = "9"
    & skf18("5","7","10","10","10","1","1") = "9"
    & skf18("5","7","10","10","10","2","1") = "9"
    & skf18("5","7","10","10","10","3","1") = "9"
    & skf18("5","7","10","10","10","4","1") = "9"
    & skf18("5","7","10","10","10","5","1") = "9"
    & skf18("5","7","10","10","10","6","1") = "9"
    & skf18("5","7","10","10","10","7","1") = "9"
    & skf18("5","7","10","10","10","8","1") = "9"
    & skf18("5","7","10","10","10","9","1") = "9"
    & skf18("5","7","10","10","10","10","1") = "9"
    & skf18("5","8","1","1","1","1","1") = "7"
    & skf18("5","8","1","1","1","2","1") = "7"
    & skf18("5","8","1","1","1","3","1") = "7"
    & skf18("5","8","1","1","1","4","1") = "7"
    & skf18("5","8","1","1","1","5","1") = "7"
    & skf18("5","8","1","1","1","6","1") = "7"
    & skf18("5","8","1","1","1","7","1") = "7"
    & skf18("5","8","1","1","1","8","1") = "7"
    & skf18("5","8","1","1","1","9","1") = "8"
    & skf18("5","8","1","1","1","10","1") = "9"
    & skf18("5","8","1","1","2","1","1") = "7"
    & skf18("5","8","1","1","2","2","1") = "7"
    & skf18("5","8","1","1","2","3","1") = "7"
    & skf18("5","8","1","1","2","4","1") = "7"
    & skf18("5","8","1","1","2","5","1") = "7"
    & skf18("5","8","1","1","2","6","1") = "7"
    & skf18("5","8","1","1","2","7","1") = "7"
    & skf18("5","8","1","1","2","8","1") = "7"
    & skf18("5","8","1","1","2","9","1") = "8"
    & skf18("5","8","1","1","2","10","1") = "9"
    & skf18("5","8","1","1","3","1","1") = "7"
    & skf18("5","8","1","1","3","2","1") = "7"
    & skf18("5","8","1","1","3","3","1") = "7"
    & skf18("5","8","1","1","3","4","1") = "7"
    & skf18("5","8","1","1","3","5","1") = "7"
    & skf18("5","8","1","1","3","6","1") = "7"
    & skf18("5","8","1","1","3","7","1") = "7"
    & skf18("5","8","1","1","3","8","1") = "7"
    & skf18("5","8","1","1","3","9","1") = "8"
    & skf18("5","8","1","1","3","10","1") = "9"
    & skf18("5","8","1","1","4","1","1") = "7"
    & skf18("5","8","1","1","4","2","1") = "7"
    & skf18("5","8","1","1","4","3","1") = "7"
    & skf18("5","8","1","1","4","4","1") = "7"
    & skf18("5","8","1","1","4","5","1") = "7"
    & skf18("5","8","1","1","4","6","1") = "7"
    & skf18("5","8","1","1","4","7","1") = "7"
    & skf18("5","8","1","1","4","8","1") = "7"
    & skf18("5","8","1","1","4","9","1") = "8"
    & skf18("5","8","1","1","4","10","1") = "9"
    & skf18("5","8","1","1","5","1","1") = "7"
    & skf18("5","8","1","1","5","2","1") = "7"
    & skf18("5","8","1","1","5","3","1") = "7"
    & skf18("5","8","1","1","5","4","1") = "7"
    & skf18("5","8","1","1","5","5","1") = "7"
    & skf18("5","8","1","1","5","6","1") = "7"
    & skf18("5","8","1","1","5","7","1") = "7"
    & skf18("5","8","1","1","5","8","1") = "7"
    & skf18("5","8","1","1","5","9","1") = "8"
    & skf18("5","8","1","1","5","10","1") = "9"
    & skf18("5","8","1","1","6","1","1") = "7"
    & skf18("5","8","1","1","6","2","1") = "7"
    & skf18("5","8","1","1","6","3","1") = "7"
    & skf18("5","8","1","1","6","4","1") = "7"
    & skf18("5","8","1","1","6","5","1") = "7"
    & skf18("5","8","1","1","6","6","1") = "7"
    & skf18("5","8","1","1","6","7","1") = "7"
    & skf18("5","8","1","1","6","8","1") = "7"
    & skf18("5","8","1","1","6","9","1") = "8"
    & skf18("5","8","1","1","6","10","1") = "9"
    & skf18("5","8","1","1","7","1","1") = "7"
    & skf18("5","8","1","1","7","2","1") = "7"
    & skf18("5","8","1","1","7","3","1") = "7"
    & skf18("5","8","1","1","7","4","1") = "7"
    & skf18("5","8","1","1","7","5","1") = "7"
    & skf18("5","8","1","1","7","6","1") = "7"
    & skf18("5","8","1","1","7","7","1") = "7"
    & skf18("5","8","1","1","7","8","1") = "7"
    & skf18("5","8","1","1","7","9","1") = "8"
    & skf18("5","8","1","1","7","10","1") = "9"
    & skf18("5","8","1","1","8","1","1") = "7"
    & skf18("5","8","1","1","8","2","1") = "7"
    & skf18("5","8","1","1","8","3","1") = "7"
    & skf18("5","8","1","1","8","4","1") = "7"
    & skf18("5","8","1","1","8","5","1") = "7"
    & skf18("5","8","1","1","8","6","1") = "7"
    & skf18("5","8","1","1","8","7","1") = "7"
    & skf18("5","8","1","1","8","8","1") = "7"
    & skf18("5","8","1","1","8","9","1") = "8"
    & skf18("5","8","1","1","8","10","1") = "9"
    & skf18("5","8","1","1","9","1","1") = "8"
    & skf18("5","8","1","1","9","2","1") = "8"
    & skf18("5","8","1","1","9","3","1") = "8"
    & skf18("5","8","1","1","9","4","1") = "8"
    & skf18("5","8","1","1","9","5","1") = "8"
    & skf18("5","8","1","1","9","6","1") = "8"
    & skf18("5","8","1","1","9","7","1") = "8"
    & skf18("5","8","1","1","9","8","1") = "8"
    & skf18("5","8","1","1","9","9","1") = "8"
    & skf18("5","8","1","1","9","10","1") = "9"
    & skf18("5","8","1","1","10","1","1") = "9"
    & skf18("5","8","1","1","10","2","1") = "9"
    & skf18("5","8","1","1","10","3","1") = "9"
    & skf18("5","8","1","1","10","4","1") = "9"
    & skf18("5","8","1","1","10","5","1") = "9"
    & skf18("5","8","1","1","10","6","1") = "9"
    & skf18("5","8","1","1","10","7","1") = "9"
    & skf18("5","8","1","1","10","8","1") = "9"
    & skf18("5","8","1","1","10","9","1") = "9"
    & skf18("5","8","1","1","10","10","1") = "9"
    & skf18("5","8","1","2","1","1","1") = "7"
    & skf18("5","8","1","2","1","2","1") = "7"
    & skf18("5","8","1","2","1","3","1") = "7"
    & skf18("5","8","1","2","1","4","1") = "7"
    & skf18("5","8","1","2","1","5","1") = "7"
    & skf18("5","8","1","2","1","6","1") = "7"
    & skf18("5","8","1","2","1","7","1") = "7"
    & skf18("5","8","1","2","1","8","1") = "7"
    & skf18("5","8","1","2","1","9","1") = "8"
    & skf18("5","8","1","2","1","10","1") = "9"
    & skf18("5","8","1","2","2","1","1") = "7"
    & skf18("5","8","1","2","2","2","1") = "7"
    & skf18("5","8","1","2","2","3","1") = "7"
    & skf18("5","8","1","2","2","4","1") = "7"
    & skf18("5","8","1","2","2","5","1") = "7"
    & skf18("5","8","1","2","2","6","1") = "7"
    & skf18("5","8","1","2","2","7","1") = "7"
    & skf18("5","8","1","2","2","8","1") = "7"
    & skf18("5","8","1","2","2","9","1") = "8"
    & skf18("5","8","1","2","2","10","1") = "9"
    & skf18("5","8","1","2","3","1","1") = "7"
    & skf18("5","8","1","2","3","2","1") = "7"
    & skf18("5","8","1","2","3","3","1") = "7"
    & skf18("5","8","1","2","3","4","1") = "7"
    & skf18("5","8","1","2","3","5","1") = "7"
    & skf18("5","8","1","2","3","6","1") = "7"
    & skf18("5","8","1","2","3","7","1") = "7"
    & skf18("5","8","1","2","3","8","1") = "7"
    & skf18("5","8","1","2","3","9","1") = "8"
    & skf18("5","8","1","2","3","10","1") = "9"
    & skf18("5","8","1","2","4","1","1") = "7"
    & skf18("5","8","1","2","4","2","1") = "7"
    & skf18("5","8","1","2","4","3","1") = "7"
    & skf18("5","8","1","2","4","4","1") = "7"
    & skf18("5","8","1","2","4","5","1") = "7"
    & skf18("5","8","1","2","4","6","1") = "7"
    & skf18("5","8","1","2","4","7","1") = "7"
    & skf18("5","8","1","2","4","8","1") = "7"
    & skf18("5","8","1","2","4","9","1") = "8"
    & skf18("5","8","1","2","4","10","1") = "9"
    & skf18("5","8","1","2","5","1","1") = "7"
    & skf18("5","8","1","2","5","2","1") = "7"
    & skf18("5","8","1","2","5","3","1") = "7"
    & skf18("5","8","1","2","5","4","1") = "7"
    & skf18("5","8","1","2","5","5","1") = "7"
    & skf18("5","8","1","2","5","6","1") = "7"
    & skf18("5","8","1","2","5","7","1") = "7"
    & skf18("5","8","1","2","5","8","1") = "7"
    & skf18("5","8","1","2","5","9","1") = "8"
    & skf18("5","8","1","2","5","10","1") = "9"
    & skf18("5","8","1","2","6","1","1") = "7"
    & skf18("5","8","1","2","6","2","1") = "7"
    & skf18("5","8","1","2","6","3","1") = "7"
    & skf18("5","8","1","2","6","4","1") = "7"
    & skf18("5","8","1","2","6","5","1") = "7"
    & skf18("5","8","1","2","6","6","1") = "7"
    & skf18("5","8","1","2","6","7","1") = "7"
    & skf18("5","8","1","2","6","8","1") = "7"
    & skf18("5","8","1","2","6","9","1") = "8"
    & skf18("5","8","1","2","6","10","1") = "9"
    & skf18("5","8","1","2","7","1","1") = "7"
    & skf18("5","8","1","2","7","2","1") = "7"
    & skf18("5","8","1","2","7","3","1") = "7"
    & skf18("5","8","1","2","7","4","1") = "7"
    & skf18("5","8","1","2","7","5","1") = "7"
    & skf18("5","8","1","2","7","6","1") = "7"
    & skf18("5","8","1","2","7","7","1") = "7"
    & skf18("5","8","1","2","7","8","1") = "7"
    & skf18("5","8","1","2","7","9","1") = "8"
    & skf18("5","8","1","2","7","10","1") = "9"
    & skf18("5","8","1","2","8","1","1") = "7"
    & skf18("5","8","1","2","8","2","1") = "7"
    & skf18("5","8","1","2","8","3","1") = "7"
    & skf18("5","8","1","2","8","4","1") = "7"
    & skf18("5","8","1","2","8","5","1") = "7"
    & skf18("5","8","1","2","8","6","1") = "7"
    & skf18("5","8","1","2","8","7","1") = "7"
    & skf18("5","8","1","2","8","8","1") = "7"
    & skf18("5","8","1","2","8","9","1") = "8"
    & skf18("5","8","1","2","8","10","1") = "9"
    & skf18("5","8","1","2","9","1","1") = "8"
    & skf18("5","8","1","2","9","2","1") = "8"
    & skf18("5","8","1","2","9","3","1") = "8"
    & skf18("5","8","1","2","9","4","1") = "8"
    & skf18("5","8","1","2","9","5","1") = "8"
    & skf18("5","8","1","2","9","6","1") = "8"
    & skf18("5","8","1","2","9","7","1") = "8"
    & skf18("5","8","1","2","9","8","1") = "8"
    & skf18("5","8","1","2","9","9","1") = "8"
    & skf18("5","8","1","2","9","10","1") = "9"
    & skf18("5","8","1","2","10","1","1") = "9"
    & skf18("5","8","1","2","10","2","1") = "9"
    & skf18("5","8","1","2","10","3","1") = "9"
    & skf18("5","8","1","2","10","4","1") = "9"
    & skf18("5","8","1","2","10","5","1") = "9"
    & skf18("5","8","1","2","10","6","1") = "9"
    & skf18("5","8","1","2","10","7","1") = "9"
    & skf18("5","8","1","2","10","8","1") = "9"
    & skf18("5","8","1","2","10","9","1") = "9"
    & skf18("5","8","1","2","10","10","1") = "9"
    & skf18("5","8","1","3","1","1","1") = "7"
    & skf18("5","8","1","3","1","2","1") = "7"
    & skf18("5","8","1","3","1","3","1") = "7"
    & skf18("5","8","1","3","1","4","1") = "7"
    & skf18("5","8","1","3","1","5","1") = "7"
    & skf18("5","8","1","3","1","6","1") = "7"
    & skf18("5","8","1","3","1","7","1") = "7"
    & skf18("5","8","1","3","1","8","1") = "7"
    & skf18("5","8","1","3","1","9","1") = "8"
    & skf18("5","8","1","3","1","10","1") = "9"
    & skf18("5","8","1","3","2","1","1") = "7"
    & skf18("5","8","1","3","2","2","1") = "7"
    & skf18("5","8","1","3","2","3","1") = "7"
    & skf18("5","8","1","3","2","4","1") = "7"
    & skf18("5","8","1","3","2","5","1") = "7"
    & skf18("5","8","1","3","2","6","1") = "7"
    & skf18("5","8","1","3","2","7","1") = "7"
    & skf18("5","8","1","3","2","8","1") = "7"
    & skf18("5","8","1","3","2","9","1") = "8"
    & skf18("5","8","1","3","2","10","1") = "9"
    & skf18("5","8","1","3","3","1","1") = "7"
    & skf18("5","8","1","3","3","2","1") = "7"
    & skf18("5","8","1","3","3","3","1") = "7"
    & skf18("5","8","1","3","3","4","1") = "7"
    & skf18("5","8","1","3","3","5","1") = "7"
    & skf18("5","8","1","3","3","6","1") = "7"
    & skf18("5","8","1","3","3","7","1") = "7"
    & skf18("5","8","1","3","3","8","1") = "7"
    & skf18("5","8","1","3","3","9","1") = "8"
    & skf18("5","8","1","3","3","10","1") = "9"
    & skf18("5","8","1","3","4","1","1") = "7"
    & skf18("5","8","1","3","4","2","1") = "7"
    & skf18("5","8","1","3","4","3","1") = "7"
    & skf18("5","8","1","3","4","4","1") = "7"
    & skf18("5","8","1","3","4","5","1") = "7"
    & skf18("5","8","1","3","4","6","1") = "7"
    & skf18("5","8","1","3","4","7","1") = "7"
    & skf18("5","8","1","3","4","8","1") = "7"
    & skf18("5","8","1","3","4","9","1") = "8"
    & skf18("5","8","1","3","4","10","1") = "9"
    & skf18("5","8","1","3","5","1","1") = "7"
    & skf18("5","8","1","3","5","2","1") = "7"
    & skf18("5","8","1","3","5","3","1") = "7"
    & skf18("5","8","1","3","5","4","1") = "7"
    & skf18("5","8","1","3","5","5","1") = "7"
    & skf18("5","8","1","3","5","6","1") = "7"
    & skf18("5","8","1","3","5","7","1") = "7"
    & skf18("5","8","1","3","5","8","1") = "7"
    & skf18("5","8","1","3","5","9","1") = "8"
    & skf18("5","8","1","3","5","10","1") = "9"
    & skf18("5","8","1","3","6","1","1") = "7"
    & skf18("5","8","1","3","6","2","1") = "7"
    & skf18("5","8","1","3","6","3","1") = "7"
    & skf18("5","8","1","3","6","4","1") = "7"
    & skf18("5","8","1","3","6","5","1") = "7"
    & skf18("5","8","1","3","6","6","1") = "7"
    & skf18("5","8","1","3","6","7","1") = "7"
    & skf18("5","8","1","3","6","8","1") = "7"
    & skf18("5","8","1","3","6","9","1") = "8"
    & skf18("5","8","1","3","6","10","1") = "9"
    & skf18("5","8","1","3","7","1","1") = "7"
    & skf18("5","8","1","3","7","2","1") = "7"
    & skf18("5","8","1","3","7","3","1") = "7"
    & skf18("5","8","1","3","7","4","1") = "7"
    & skf18("5","8","1","3","7","5","1") = "7"
    & skf18("5","8","1","3","7","6","1") = "7"
    & skf18("5","8","1","3","7","7","1") = "7"
    & skf18("5","8","1","3","7","8","1") = "7"
    & skf18("5","8","1","3","7","9","1") = "8"
    & skf18("5","8","1","3","7","10","1") = "9"
    & skf18("5","8","1","3","8","1","1") = "7"
    & skf18("5","8","1","3","8","2","1") = "7"
    & skf18("5","8","1","3","8","3","1") = "7"
    & skf18("5","8","1","3","8","4","1") = "7"
    & skf18("5","8","1","3","8","5","1") = "7"
    & skf18("5","8","1","3","8","6","1") = "7"
    & skf18("5","8","1","3","8","7","1") = "7"
    & skf18("5","8","1","3","8","8","1") = "7"
    & skf18("5","8","1","3","8","9","1") = "8"
    & skf18("5","8","1","3","8","10","1") = "9"
    & skf18("5","8","1","3","9","1","1") = "8"
    & skf18("5","8","1","3","9","2","1") = "8"
    & skf18("5","8","1","3","9","3","1") = "8"
    & skf18("5","8","1","3","9","4","1") = "8"
    & skf18("5","8","1","3","9","5","1") = "8"
    & skf18("5","8","1","3","9","6","1") = "8"
    & skf18("5","8","1","3","9","7","1") = "8"
    & skf18("5","8","1","3","9","8","1") = "8"
    & skf18("5","8","1","3","9","9","1") = "8"
    & skf18("5","8","1","3","9","10","1") = "9"
    & skf18("5","8","1","3","10","1","1") = "9"
    & skf18("5","8","1","3","10","2","1") = "9"
    & skf18("5","8","1","3","10","3","1") = "9"
    & skf18("5","8","1","3","10","4","1") = "9"
    & skf18("5","8","1","3","10","5","1") = "9"
    & skf18("5","8","1","3","10","6","1") = "9"
    & skf18("5","8","1","3","10","7","1") = "9"
    & skf18("5","8","1","3","10","8","1") = "9"
    & skf18("5","8","1","3","10","9","1") = "9"
    & skf18("5","8","1","3","10","10","1") = "9"
    & skf18("5","8","1","4","1","1","1") = "7"
    & skf18("5","8","1","4","1","2","1") = "7"
    & skf18("5","8","1","4","1","3","1") = "7"
    & skf18("5","8","1","4","1","4","1") = "7"
    & skf18("5","8","1","4","1","5","1") = "7"
    & skf18("5","8","1","4","1","6","1") = "7"
    & skf18("5","8","1","4","1","7","1") = "7"
    & skf18("5","8","1","4","1","8","1") = "7"
    & skf18("5","8","1","4","1","9","1") = "8"
    & skf18("5","8","1","4","1","10","1") = "9"
    & skf18("5","8","1","4","2","1","1") = "7"
    & skf18("5","8","1","4","2","2","1") = "7"
    & skf18("5","8","1","4","2","3","1") = "7"
    & skf18("5","8","1","4","2","4","1") = "7"
    & skf18("5","8","1","4","2","5","1") = "7"
    & skf18("5","8","1","4","2","6","1") = "7"
    & skf18("5","8","1","4","2","7","1") = "7"
    & skf18("5","8","1","4","2","8","1") = "7"
    & skf18("5","8","1","4","2","9","1") = "8"
    & skf18("5","8","1","4","2","10","1") = "9"
    & skf18("5","8","1","4","3","1","1") = "7"
    & skf18("5","8","1","4","3","2","1") = "7"
    & skf18("5","8","1","4","3","3","1") = "7"
    & skf18("5","8","1","4","3","4","1") = "7"
    & skf18("5","8","1","4","3","5","1") = "7"
    & skf18("5","8","1","4","3","6","1") = "7"
    & skf18("5","8","1","4","3","7","1") = "7"
    & skf18("5","8","1","4","3","8","1") = "7"
    & skf18("5","8","1","4","3","9","1") = "8"
    & skf18("5","8","1","4","3","10","1") = "9"
    & skf18("5","8","1","4","4","1","1") = "7"
    & skf18("5","8","1","4","4","2","1") = "7"
    & skf18("5","8","1","4","4","3","1") = "7"
    & skf18("5","8","1","4","4","4","1") = "7"
    & skf18("5","8","1","4","4","5","1") = "7"
    & skf18("5","8","1","4","4","6","1") = "7"
    & skf18("5","8","1","4","4","7","1") = "7"
    & skf18("5","8","1","4","4","8","1") = "7"
    & skf18("5","8","1","4","4","9","1") = "8"
    & skf18("5","8","1","4","4","10","1") = "9"
    & skf18("5","8","1","4","5","1","1") = "7"
    & skf18("5","8","1","4","5","2","1") = "7"
    & skf18("5","8","1","4","5","3","1") = "7"
    & skf18("5","8","1","4","5","4","1") = "7"
    & skf18("5","8","1","4","5","5","1") = "7"
    & skf18("5","8","1","4","5","6","1") = "7"
    & skf18("5","8","1","4","5","7","1") = "7"
    & skf18("5","8","1","4","5","8","1") = "7"
    & skf18("5","8","1","4","5","9","1") = "8"
    & skf18("5","8","1","4","5","10","1") = "9"
    & skf18("5","8","1","4","6","1","1") = "7"
    & skf18("5","8","1","4","6","2","1") = "7"
    & skf18("5","8","1","4","6","3","1") = "7"
    & skf18("5","8","1","4","6","4","1") = "7"
    & skf18("5","8","1","4","6","5","1") = "7"
    & skf18("5","8","1","4","6","6","1") = "7"
    & skf18("5","8","1","4","6","7","1") = "7"
    & skf18("5","8","1","4","6","8","1") = "7"
    & skf18("5","8","1","4","6","9","1") = "8"
    & skf18("5","8","1","4","6","10","1") = "9"
    & skf18("5","8","1","4","7","1","1") = "7"
    & skf18("5","8","1","4","7","2","1") = "7"
    & skf18("5","8","1","4","7","3","1") = "7"
    & skf18("5","8","1","4","7","4","1") = "7"
    & skf18("5","8","1","4","7","5","1") = "7"
    & skf18("5","8","1","4","7","6","1") = "7"
    & skf18("5","8","1","4","7","7","1") = "7"
    & skf18("5","8","1","4","7","8","1") = "7"
    & skf18("5","8","1","4","7","9","1") = "8"
    & skf18("5","8","1","4","7","10","1") = "9"
    & skf18("5","8","1","4","8","1","1") = "7"
    & skf18("5","8","1","4","8","2","1") = "7"
    & skf18("5","8","1","4","8","3","1") = "7"
    & skf18("5","8","1","4","8","4","1") = "7"
    & skf18("5","8","1","4","8","5","1") = "7"
    & skf18("5","8","1","4","8","6","1") = "7"
    & skf18("5","8","1","4","8","7","1") = "7"
    & skf18("5","8","1","4","8","8","1") = "7"
    & skf18("5","8","1","4","8","9","1") = "8"
    & skf18("5","8","1","4","8","10","1") = "9"
    & skf18("5","8","1","4","9","1","1") = "8"
    & skf18("5","8","1","4","9","2","1") = "8"
    & skf18("5","8","1","4","9","3","1") = "8"
    & skf18("5","8","1","4","9","4","1") = "8"
    & skf18("5","8","1","4","9","5","1") = "8"
    & skf18("5","8","1","4","9","6","1") = "8"
    & skf18("5","8","1","4","9","7","1") = "8"
    & skf18("5","8","1","4","9","8","1") = "8"
    & skf18("5","8","1","4","9","9","1") = "8"
    & skf18("5","8","1","4","9","10","1") = "9"
    & skf18("5","8","1","4","10","1","1") = "9"
    & skf18("5","8","1","4","10","2","1") = "9"
    & skf18("5","8","1","4","10","3","1") = "9"
    & skf18("5","8","1","4","10","4","1") = "9"
    & skf18("5","8","1","4","10","5","1") = "9"
    & skf18("5","8","1","4","10","6","1") = "9"
    & skf18("5","8","1","4","10","7","1") = "9"
    & skf18("5","8","1","4","10","8","1") = "9"
    & skf18("5","8","1","4","10","9","1") = "9"
    & skf18("5","8","1","4","10","10","1") = "9"
    & skf18("5","8","1","5","1","1","1") = "7"
    & skf18("5","8","1","5","1","2","1") = "7"
    & skf18("5","8","1","5","1","3","1") = "7"
    & skf18("5","8","1","5","1","4","1") = "7"
    & skf18("5","8","1","5","1","5","1") = "7"
    & skf18("5","8","1","5","1","6","1") = "7"
    & skf18("5","8","1","5","1","7","1") = "7"
    & skf18("5","8","1","5","1","8","1") = "7"
    & skf18("5","8","1","5","1","9","1") = "8"
    & skf18("5","8","1","5","1","10","1") = "9"
    & skf18("5","8","1","5","2","1","1") = "7"
    & skf18("5","8","1","5","2","2","1") = "7"
    & skf18("5","8","1","5","2","3","1") = "7"
    & skf18("5","8","1","5","2","4","1") = "7"
    & skf18("5","8","1","5","2","5","1") = "7"
    & skf18("5","8","1","5","2","6","1") = "7"
    & skf18("5","8","1","5","2","7","1") = "7"
    & skf18("5","8","1","5","2","8","1") = "7"
    & skf18("5","8","1","5","2","9","1") = "8"
    & skf18("5","8","1","5","2","10","1") = "9"
    & skf18("5","8","1","5","3","1","1") = "7"
    & skf18("5","8","1","5","3","2","1") = "7"
    & skf18("5","8","1","5","3","3","1") = "7"
    & skf18("5","8","1","5","3","4","1") = "7"
    & skf18("5","8","1","5","3","5","1") = "7"
    & skf18("5","8","1","5","3","6","1") = "7"
    & skf18("5","8","1","5","3","7","1") = "7"
    & skf18("5","8","1","5","3","8","1") = "7"
    & skf18("5","8","1","5","3","9","1") = "8"
    & skf18("5","8","1","5","3","10","1") = "9"
    & skf18("5","8","1","5","4","1","1") = "7"
    & skf18("5","8","1","5","4","2","1") = "7"
    & skf18("5","8","1","5","4","3","1") = "7"
    & skf18("5","8","1","5","4","4","1") = "7"
    & skf18("5","8","1","5","4","5","1") = "7"
    & skf18("5","8","1","5","4","6","1") = "7"
    & skf18("5","8","1","5","4","7","1") = "7"
    & skf18("5","8","1","5","4","8","1") = "7"
    & skf18("5","8","1","5","4","9","1") = "8"
    & skf18("5","8","1","5","4","10","1") = "9"
    & skf18("5","8","1","5","5","1","1") = "7"
    & skf18("5","8","1","5","5","2","1") = "7"
    & skf18("5","8","1","5","5","3","1") = "7"
    & skf18("5","8","1","5","5","4","1") = "7"
    & skf18("5","8","1","5","5","5","1") = "7"
    & skf18("5","8","1","5","5","6","1") = "7"
    & skf18("5","8","1","5","5","7","1") = "7"
    & skf18("5","8","1","5","5","8","1") = "7"
    & skf18("5","8","1","5","5","9","1") = "8"
    & skf18("5","8","1","5","5","10","1") = "9"
    & skf18("5","8","1","5","6","1","1") = "7"
    & skf18("5","8","1","5","6","2","1") = "7"
    & skf18("5","8","1","5","6","3","1") = "7"
    & skf18("5","8","1","5","6","4","1") = "7"
    & skf18("5","8","1","5","6","5","1") = "7"
    & skf18("5","8","1","5","6","6","1") = "7"
    & skf18("5","8","1","5","6","7","1") = "7"
    & skf18("5","8","1","5","6","8","1") = "7"
    & skf18("5","8","1","5","6","9","1") = "8"
    & skf18("5","8","1","5","6","10","1") = "9"
    & skf18("5","8","1","5","7","1","1") = "7"
    & skf18("5","8","1","5","7","2","1") = "7"
    & skf18("5","8","1","5","7","3","1") = "7"
    & skf18("5","8","1","5","7","4","1") = "7"
    & skf18("5","8","1","5","7","5","1") = "7"
    & skf18("5","8","1","5","7","6","1") = "7"
    & skf18("5","8","1","5","7","7","1") = "7"
    & skf18("5","8","1","5","7","8","1") = "7"
    & skf18("5","8","1","5","7","9","1") = "8"
    & skf18("5","8","1","5","7","10","1") = "9"
    & skf18("5","8","1","5","8","1","1") = "7"
    & skf18("5","8","1","5","8","2","1") = "7"
    & skf18("5","8","1","5","8","3","1") = "7"
    & skf18("5","8","1","5","8","4","1") = "7"
    & skf18("5","8","1","5","8","5","1") = "7"
    & skf18("5","8","1","5","8","6","1") = "7"
    & skf18("5","8","1","5","8","7","1") = "7"
    & skf18("5","8","1","5","8","8","1") = "7"
    & skf18("5","8","1","5","8","9","1") = "8"
    & skf18("5","8","1","5","8","10","1") = "9"
    & skf18("5","8","1","5","9","1","1") = "8"
    & skf18("5","8","1","5","9","2","1") = "8"
    & skf18("5","8","1","5","9","3","1") = "8"
    & skf18("5","8","1","5","9","4","1") = "8"
    & skf18("5","8","1","5","9","5","1") = "8"
    & skf18("5","8","1","5","9","6","1") = "8"
    & skf18("5","8","1","5","9","7","1") = "8"
    & skf18("5","8","1","5","9","8","1") = "8"
    & skf18("5","8","1","5","9","9","1") = "8"
    & skf18("5","8","1","5","9","10","1") = "9"
    & skf18("5","8","1","5","10","1","1") = "9"
    & skf18("5","8","1","5","10","2","1") = "9"
    & skf18("5","8","1","5","10","3","1") = "9"
    & skf18("5","8","1","5","10","4","1") = "9"
    & skf18("5","8","1","5","10","5","1") = "9"
    & skf18("5","8","1","5","10","6","1") = "9"
    & skf18("5","8","1","5","10","7","1") = "9"
    & skf18("5","8","1","5","10","8","1") = "9"
    & skf18("5","8","1","5","10","9","1") = "9"
    & skf18("5","8","1","5","10","10","1") = "9"
    & skf18("5","8","1","6","1","1","1") = "7"
    & skf18("5","8","1","6","1","2","1") = "7"
    & skf18("5","8","1","6","1","3","1") = "7"
    & skf18("5","8","1","6","1","4","1") = "7"
    & skf18("5","8","1","6","1","5","1") = "7"
    & skf18("5","8","1","6","1","6","1") = "7"
    & skf18("5","8","1","6","1","7","1") = "7"
    & skf18("5","8","1","6","1","8","1") = "7"
    & skf18("5","8","1","6","1","9","1") = "8"
    & skf18("5","8","1","6","1","10","1") = "9"
    & skf18("5","8","1","6","2","1","1") = "7"
    & skf18("5","8","1","6","2","2","1") = "7"
    & skf18("5","8","1","6","2","3","1") = "7"
    & skf18("5","8","1","6","2","4","1") = "7"
    & skf18("5","8","1","6","2","5","1") = "7"
    & skf18("5","8","1","6","2","6","1") = "7"
    & skf18("5","8","1","6","2","7","1") = "7"
    & skf18("5","8","1","6","2","8","1") = "7"
    & skf18("5","8","1","6","2","9","1") = "8"
    & skf18("5","8","1","6","2","10","1") = "9"
    & skf18("5","8","1","6","3","1","1") = "7"
    & skf18("5","8","1","6","3","2","1") = "7"
    & skf18("5","8","1","6","3","3","1") = "7"
    & skf18("5","8","1","6","3","4","1") = "7"
    & skf18("5","8","1","6","3","5","1") = "7"
    & skf18("5","8","1","6","3","6","1") = "7"
    & skf18("5","8","1","6","3","7","1") = "7"
    & skf18("5","8","1","6","3","8","1") = "7"
    & skf18("5","8","1","6","3","9","1") = "8"
    & skf18("5","8","1","6","3","10","1") = "9"
    & skf18("5","8","1","6","4","1","1") = "7"
    & skf18("5","8","1","6","4","2","1") = "7"
    & skf18("5","8","1","6","4","3","1") = "7"
    & skf18("5","8","1","6","4","4","1") = "7"
    & skf18("5","8","1","6","4","5","1") = "7"
    & skf18("5","8","1","6","4","6","1") = "7"
    & skf18("5","8","1","6","4","7","1") = "7"
    & skf18("5","8","1","6","4","8","1") = "7"
    & skf18("5","8","1","6","4","9","1") = "8"
    & skf18("5","8","1","6","4","10","1") = "9"
    & skf18("5","8","1","6","5","1","1") = "7"
    & skf18("5","8","1","6","5","2","1") = "7"
    & skf18("5","8","1","6","5","3","1") = "7"
    & skf18("5","8","1","6","5","4","1") = "7"
    & skf18("5","8","1","6","5","5","1") = "7"
    & skf18("5","8","1","6","5","6","1") = "7"
    & skf18("5","8","1","6","5","7","1") = "7"
    & skf18("5","8","1","6","5","8","1") = "7"
    & skf18("5","8","1","6","5","9","1") = "8"
    & skf18("5","8","1","6","5","10","1") = "9"
    & skf18("5","8","1","6","6","1","1") = "7"
    & skf18("5","8","1","6","6","2","1") = "7"
    & skf18("5","8","1","6","6","3","1") = "7"
    & skf18("5","8","1","6","6","4","1") = "7"
    & skf18("5","8","1","6","6","5","1") = "7"
    & skf18("5","8","1","6","6","6","1") = "7"
    & skf18("5","8","1","6","6","7","1") = "7"
    & skf18("5","8","1","6","6","8","1") = "7"
    & skf18("5","8","1","6","6","9","1") = "8"
    & skf18("5","8","1","6","6","10","1") = "9"
    & skf18("5","8","1","6","7","1","1") = "7"
    & skf18("5","8","1","6","7","2","1") = "7"
    & skf18("5","8","1","6","7","3","1") = "7"
    & skf18("5","8","1","6","7","4","1") = "7"
    & skf18("5","8","1","6","7","5","1") = "7"
    & skf18("5","8","1","6","7","6","1") = "7"
    & skf18("5","8","1","6","7","7","1") = "7"
    & skf18("5","8","1","6","7","8","1") = "7"
    & skf18("5","8","1","6","7","9","1") = "8"
    & skf18("5","8","1","6","7","10","1") = "9"
    & skf18("5","8","1","6","8","1","1") = "7"
    & skf18("5","8","1","6","8","2","1") = "7"
    & skf18("5","8","1","6","8","3","1") = "7"
    & skf18("5","8","1","6","8","4","1") = "7"
    & skf18("5","8","1","6","8","5","1") = "7"
    & skf18("5","8","1","6","8","6","1") = "7"
    & skf18("5","8","1","6","8","7","1") = "7"
    & skf18("5","8","1","6","8","8","1") = "7"
    & skf18("5","8","1","6","8","9","1") = "8"
    & skf18("5","8","1","6","8","10","1") = "9"
    & skf18("5","8","1","6","9","1","1") = "8"
    & skf18("5","8","1","6","9","2","1") = "8"
    & skf18("5","8","1","6","9","3","1") = "8"
    & skf18("5","8","1","6","9","4","1") = "8"
    & skf18("5","8","1","6","9","5","1") = "8"
    & skf18("5","8","1","6","9","6","1") = "8"
    & skf18("5","8","1","6","9","7","1") = "8"
    & skf18("5","8","1","6","9","8","1") = "8"
    & skf18("5","8","1","6","9","9","1") = "8"
    & skf18("5","8","1","6","9","10","1") = "9"
    & skf18("5","8","1","6","10","1","1") = "9"
    & skf18("5","8","1","6","10","2","1") = "9"
    & skf18("5","8","1","6","10","3","1") = "9"
    & skf18("5","8","1","6","10","4","1") = "9"
    & skf18("5","8","1","6","10","5","1") = "9"
    & skf18("5","8","1","6","10","6","1") = "9"
    & skf18("5","8","1","6","10","7","1") = "9"
    & skf18("5","8","1","6","10","8","1") = "9"
    & skf18("5","8","1","6","10","9","1") = "9"
    & skf18("5","8","1","6","10","10","1") = "9"
    & skf18("5","8","1","7","1","1","1") = "7"
    & skf18("5","8","1","7","1","2","1") = "7"
    & skf18("5","8","1","7","1","3","1") = "7"
    & skf18("5","8","1","7","1","4","1") = "7"
    & skf18("5","8","1","7","1","5","1") = "7"
    & skf18("5","8","1","7","1","6","1") = "7"
    & skf18("5","8","1","7","1","7","1") = "7"
    & skf18("5","8","1","7","1","8","1") = "7"
    & skf18("5","8","1","7","1","9","1") = "8"
    & skf18("5","8","1","7","1","10","1") = "9"
    & skf18("5","8","1","7","2","1","1") = "7"
    & skf18("5","8","1","7","2","2","1") = "7"
    & skf18("5","8","1","7","2","3","1") = "7"
    & skf18("5","8","1","7","2","4","1") = "7"
    & skf18("5","8","1","7","2","5","1") = "7"
    & skf18("5","8","1","7","2","6","1") = "7"
    & skf18("5","8","1","7","2","7","1") = "7"
    & skf18("5","8","1","7","2","8","1") = "7"
    & skf18("5","8","1","7","2","9","1") = "8"
    & skf18("5","8","1","7","2","10","1") = "9"
    & skf18("5","8","1","7","3","1","1") = "7"
    & skf18("5","8","1","7","3","2","1") = "7"
    & skf18("5","8","1","7","3","3","1") = "7"
    & skf18("5","8","1","7","3","4","1") = "7"
    & skf18("5","8","1","7","3","5","1") = "7"
    & skf18("5","8","1","7","3","6","1") = "7"
    & skf18("5","8","1","7","3","7","1") = "7"
    & skf18("5","8","1","7","3","8","1") = "7"
    & skf18("5","8","1","7","3","9","1") = "8"
    & skf18("5","8","1","7","3","10","1") = "9"
    & skf18("5","8","1","7","4","1","1") = "7"
    & skf18("5","8","1","7","4","2","1") = "7"
    & skf18("5","8","1","7","4","3","1") = "7"
    & skf18("5","8","1","7","4","4","1") = "7"
    & skf18("5","8","1","7","4","5","1") = "7"
    & skf18("5","8","1","7","4","6","1") = "7"
    & skf18("5","8","1","7","4","7","1") = "7"
    & skf18("5","8","1","7","4","8","1") = "7"
    & skf18("5","8","1","7","4","9","1") = "8"
    & skf18("5","8","1","7","4","10","1") = "9"
    & skf18("5","8","1","7","5","1","1") = "7"
    & skf18("5","8","1","7","5","2","1") = "7"
    & skf18("5","8","1","7","5","3","1") = "7"
    & skf18("5","8","1","7","5","4","1") = "7"
    & skf18("5","8","1","7","5","5","1") = "7"
    & skf18("5","8","1","7","5","6","1") = "7"
    & skf18("5","8","1","7","5","7","1") = "7"
    & skf18("5","8","1","7","5","8","1") = "7"
    & skf18("5","8","1","7","5","9","1") = "8"
    & skf18("5","8","1","7","5","10","1") = "9"
    & skf18("5","8","1","7","6","1","1") = "7"
    & skf18("5","8","1","7","6","2","1") = "7"
    & skf18("5","8","1","7","6","3","1") = "7"
    & skf18("5","8","1","7","6","4","1") = "7"
    & skf18("5","8","1","7","6","5","1") = "7"
    & skf18("5","8","1","7","6","6","1") = "7"
    & skf18("5","8","1","7","6","7","1") = "7"
    & skf18("5","8","1","7","6","8","1") = "7"
    & skf18("5","8","1","7","6","9","1") = "8"
    & skf18("5","8","1","7","6","10","1") = "9"
    & skf18("5","8","1","7","7","1","1") = "7"
    & skf18("5","8","1","7","7","2","1") = "7"
    & skf18("5","8","1","7","7","3","1") = "7"
    & skf18("5","8","1","7","7","4","1") = "7"
    & skf18("5","8","1","7","7","5","1") = "7"
    & skf18("5","8","1","7","7","6","1") = "7"
    & skf18("5","8","1","7","7","7","1") = "7"
    & skf18("5","8","1","7","7","8","1") = "7"
    & skf18("5","8","1","7","7","9","1") = "8"
    & skf18("5","8","1","7","7","10","1") = "9"
    & skf18("5","8","1","7","8","1","1") = "7"
    & skf18("5","8","1","7","8","2","1") = "7"
    & skf18("5","8","1","7","8","3","1") = "7"
    & skf18("5","8","1","7","8","4","1") = "7"
    & skf18("5","8","1","7","8","5","1") = "7"
    & skf18("5","8","1","7","8","6","1") = "7"
    & skf18("5","8","1","7","8","7","1") = "7"
    & skf18("5","8","1","7","8","8","1") = "7"
    & skf18("5","8","1","7","8","9","1") = "8"
    & skf18("5","8","1","7","8","10","1") = "9"
    & skf18("5","8","1","7","9","1","1") = "8"
    & skf18("5","8","1","7","9","2","1") = "8"
    & skf18("5","8","1","7","9","3","1") = "8"
    & skf18("5","8","1","7","9","4","1") = "8"
    & skf18("5","8","1","7","9","5","1") = "8"
    & skf18("5","8","1","7","9","6","1") = "8"
    & skf18("5","8","1","7","9","7","1") = "8"
    & skf18("5","8","1","7","9","8","1") = "8"
    & skf18("5","8","1","7","9","9","1") = "8"
    & skf18("5","8","1","7","9","10","1") = "9"
    & skf18("5","8","1","7","10","1","1") = "9"
    & skf18("5","8","1","7","10","2","1") = "9"
    & skf18("5","8","1","7","10","3","1") = "9"
    & skf18("5","8","1","7","10","4","1") = "9"
    & skf18("5","8","1","7","10","5","1") = "9"
    & skf18("5","8","1","7","10","6","1") = "9"
    & skf18("5","8","1","7","10","7","1") = "9"
    & skf18("5","8","1","7","10","8","1") = "9"
    & skf18("5","8","1","7","10","9","1") = "9"
    & skf18("5","8","1","7","10","10","1") = "9"
    & skf18("5","8","1","8","1","1","1") = "7"
    & skf18("5","8","1","8","1","2","1") = "7"
    & skf18("5","8","1","8","1","3","1") = "7"
    & skf18("5","8","1","8","1","4","1") = "7"
    & skf18("5","8","1","8","1","5","1") = "7"
    & skf18("5","8","1","8","1","6","1") = "7"
    & skf18("5","8","1","8","1","7","1") = "7"
    & skf18("5","8","1","8","1","8","1") = "7"
    & skf18("5","8","1","8","1","9","1") = "8"
    & skf18("5","8","1","8","1","10","1") = "9"
    & skf18("5","8","1","8","2","1","1") = "7"
    & skf18("5","8","1","8","2","2","1") = "7"
    & skf18("5","8","1","8","2","3","1") = "7"
    & skf18("5","8","1","8","2","4","1") = "7"
    & skf18("5","8","1","8","2","5","1") = "7"
    & skf18("5","8","1","8","2","6","1") = "7"
    & skf18("5","8","1","8","2","7","1") = "7"
    & skf18("5","8","1","8","2","8","1") = "7"
    & skf18("5","8","1","8","2","9","1") = "8"
    & skf18("5","8","1","8","2","10","1") = "9"
    & skf18("5","8","1","8","3","1","1") = "7"
    & skf18("5","8","1","8","3","2","1") = "7"
    & skf18("5","8","1","8","3","3","1") = "7"
    & skf18("5","8","1","8","3","4","1") = "7"
    & skf18("5","8","1","8","3","5","1") = "7"
    & skf18("5","8","1","8","3","6","1") = "7"
    & skf18("5","8","1","8","3","7","1") = "7"
    & skf18("5","8","1","8","3","8","1") = "7"
    & skf18("5","8","1","8","3","9","1") = "8"
    & skf18("5","8","1","8","3","10","1") = "9"
    & skf18("5","8","1","8","4","1","1") = "7"
    & skf18("5","8","1","8","4","2","1") = "7"
    & skf18("5","8","1","8","4","3","1") = "7"
    & skf18("5","8","1","8","4","4","1") = "7"
    & skf18("5","8","1","8","4","5","1") = "7"
    & skf18("5","8","1","8","4","6","1") = "7"
    & skf18("5","8","1","8","4","7","1") = "7"
    & skf18("5","8","1","8","4","8","1") = "7"
    & skf18("5","8","1","8","4","9","1") = "8"
    & skf18("5","8","1","8","4","10","1") = "9"
    & skf18("5","8","1","8","5","1","1") = "7"
    & skf18("5","8","1","8","5","2","1") = "7"
    & skf18("5","8","1","8","5","3","1") = "7"
    & skf18("5","8","1","8","5","4","1") = "7"
    & skf18("5","8","1","8","5","5","1") = "7"
    & skf18("5","8","1","8","5","6","1") = "7"
    & skf18("5","8","1","8","5","7","1") = "7"
    & skf18("5","8","1","8","5","8","1") = "7"
    & skf18("5","8","1","8","5","9","1") = "8"
    & skf18("5","8","1","8","5","10","1") = "9"
    & skf18("5","8","1","8","6","1","1") = "7"
    & skf18("5","8","1","8","6","2","1") = "7"
    & skf18("5","8","1","8","6","3","1") = "7"
    & skf18("5","8","1","8","6","4","1") = "7"
    & skf18("5","8","1","8","6","5","1") = "7"
    & skf18("5","8","1","8","6","6","1") = "7"
    & skf18("5","8","1","8","6","7","1") = "7"
    & skf18("5","8","1","8","6","8","1") = "7"
    & skf18("5","8","1","8","6","9","1") = "8"
    & skf18("5","8","1","8","6","10","1") = "9"
    & skf18("5","8","1","8","7","1","1") = "7"
    & skf18("5","8","1","8","7","2","1") = "7"
    & skf18("5","8","1","8","7","3","1") = "7"
    & skf18("5","8","1","8","7","4","1") = "7"
    & skf18("5","8","1","8","7","5","1") = "7"
    & skf18("5","8","1","8","7","6","1") = "7"
    & skf18("5","8","1","8","7","7","1") = "7"
    & skf18("5","8","1","8","7","8","1") = "7"
    & skf18("5","8","1","8","7","9","1") = "8"
    & skf18("5","8","1","8","7","10","1") = "9"
    & skf18("5","8","1","8","8","1","1") = "7"
    & skf18("5","8","1","8","8","2","1") = "7"
    & skf18("5","8","1","8","8","3","1") = "7"
    & skf18("5","8","1","8","8","4","1") = "7"
    & skf18("5","8","1","8","8","5","1") = "7"
    & skf18("5","8","1","8","8","6","1") = "7"
    & skf18("5","8","1","8","8","7","1") = "7"
    & skf18("5","8","1","8","8","8","1") = "7"
    & skf18("5","8","1","8","8","9","1") = "8"
    & skf18("5","8","1","8","8","10","1") = "9"
    & skf18("5","8","1","8","9","1","1") = "8"
    & skf18("5","8","1","8","9","2","1") = "8"
    & skf18("5","8","1","8","9","3","1") = "8"
    & skf18("5","8","1","8","9","4","1") = "8"
    & skf18("5","8","1","8","9","5","1") = "8"
    & skf18("5","8","1","8","9","6","1") = "8"
    & skf18("5","8","1","8","9","7","1") = "8"
    & skf18("5","8","1","8","9","8","1") = "8"
    & skf18("5","8","1","8","9","9","1") = "8"
    & skf18("5","8","1","8","9","10","1") = "9"
    & skf18("5","8","1","8","10","1","1") = "9"
    & skf18("5","8","1","8","10","2","1") = "9"
    & skf18("5","8","1","8","10","3","1") = "9"
    & skf18("5","8","1","8","10","4","1") = "9"
    & skf18("5","8","1","8","10","5","1") = "9"
    & skf18("5","8","1","8","10","6","1") = "9"
    & skf18("5","8","1","8","10","7","1") = "9"
    & skf18("5","8","1","8","10","8","1") = "9"
    & skf18("5","8","1","8","10","9","1") = "9"
    & skf18("5","8","1","8","10","10","1") = "9"
    & skf18("5","8","1","9","1","1","1") = "8"
    & skf18("5","8","1","9","1","2","1") = "8"
    & skf18("5","8","1","9","1","3","1") = "8"
    & skf18("5","8","1","9","1","4","1") = "8"
    & skf18("5","8","1","9","1","5","1") = "8"
    & skf18("5","8","1","9","1","6","1") = "8"
    & skf18("5","8","1","9","1","7","1") = "8"
    & skf18("5","8","1","9","1","8","1") = "8"
    & skf18("5","8","1","9","1","9","1") = "8"
    & skf18("5","8","1","9","1","10","1") = "9"
    & skf18("5","8","1","9","2","1","1") = "8"
    & skf18("5","8","1","9","2","2","1") = "8"
    & skf18("5","8","1","9","2","3","1") = "8"
    & skf18("5","8","1","9","2","4","1") = "8"
    & skf18("5","8","1","9","2","5","1") = "8"
    & skf18("5","8","1","9","2","6","1") = "8"
    & skf18("5","8","1","9","2","7","1") = "8"
    & skf18("5","8","1","9","2","8","1") = "8"
    & skf18("5","8","1","9","2","9","1") = "8"
    & skf18("5","8","1","9","2","10","1") = "9"
    & skf18("5","8","1","9","3","1","1") = "8"
    & skf18("5","8","1","9","3","2","1") = "8"
    & skf18("5","8","1","9","3","3","1") = "8"
    & skf18("5","8","1","9","3","4","1") = "8"
    & skf18("5","8","1","9","3","5","1") = "8"
    & skf18("5","8","1","9","3","6","1") = "8"
    & skf18("5","8","1","9","3","7","1") = "8"
    & skf18("5","8","1","9","3","8","1") = "8"
    & skf18("5","8","1","9","3","9","1") = "8"
    & skf18("5","8","1","9","3","10","1") = "9"
    & skf18("5","8","1","9","4","1","1") = "8"
    & skf18("5","8","1","9","4","2","1") = "8"
    & skf18("5","8","1","9","4","3","1") = "8"
    & skf18("5","8","1","9","4","4","1") = "8"
    & skf18("5","8","1","9","4","5","1") = "8"
    & skf18("5","8","1","9","4","6","1") = "8"
    & skf18("5","8","1","9","4","7","1") = "8"
    & skf18("5","8","1","9","4","8","1") = "8"
    & skf18("5","8","1","9","4","9","1") = "8"
    & skf18("5","8","1","9","4","10","1") = "9"
    & skf18("5","8","1","9","5","1","1") = "8"
    & skf18("5","8","1","9","5","2","1") = "8"
    & skf18("5","8","1","9","5","3","1") = "8"
    & skf18("5","8","1","9","5","4","1") = "8"
    & skf18("5","8","1","9","5","5","1") = "8"
    & skf18("5","8","1","9","5","6","1") = "8"
    & skf18("5","8","1","9","5","7","1") = "8"
    & skf18("5","8","1","9","5","8","1") = "8"
    & skf18("5","8","1","9","5","9","1") = "8"
    & skf18("5","8","1","9","5","10","1") = "9"
    & skf18("5","8","1","9","6","1","1") = "8"
    & skf18("5","8","1","9","6","2","1") = "8"
    & skf18("5","8","1","9","6","3","1") = "8"
    & skf18("5","8","1","9","6","4","1") = "8"
    & skf18("5","8","1","9","6","5","1") = "8"
    & skf18("5","8","1","9","6","6","1") = "8"
    & skf18("5","8","1","9","6","7","1") = "8"
    & skf18("5","8","1","9","6","8","1") = "8"
    & skf18("5","8","1","9","6","9","1") = "8"
    & skf18("5","8","1","9","6","10","1") = "9"
    & skf18("5","8","1","9","7","1","1") = "8"
    & skf18("5","8","1","9","7","2","1") = "8"
    & skf18("5","8","1","9","7","3","1") = "8"
    & skf18("5","8","1","9","7","4","1") = "8"
    & skf18("5","8","1","9","7","5","1") = "8"
    & skf18("5","8","1","9","7","6","1") = "8"
    & skf18("5","8","1","9","7","7","1") = "8"
    & skf18("5","8","1","9","7","8","1") = "8"
    & skf18("5","8","1","9","7","9","1") = "8"
    & skf18("5","8","1","9","7","10","1") = "9"
    & skf18("5","8","1","9","8","1","1") = "8"
    & skf18("5","8","1","9","8","2","1") = "8"
    & skf18("5","8","1","9","8","3","1") = "8"
    & skf18("5","8","1","9","8","4","1") = "8"
    & skf18("5","8","1","9","8","5","1") = "8"
    & skf18("5","8","1","9","8","6","1") = "8"
    & skf18("5","8","1","9","8","7","1") = "8"
    & skf18("5","8","1","9","8","8","1") = "8"
    & skf18("5","8","1","9","8","9","1") = "8"
    & skf18("5","8","1","9","8","10","1") = "9"
    & skf18("5","8","1","9","9","1","1") = "8"
    & skf18("5","8","1","9","9","2","1") = "8"
    & skf18("5","8","1","9","9","3","1") = "8"
    & skf18("5","8","1","9","9","4","1") = "8"
    & skf18("5","8","1","9","9","5","1") = "8"
    & skf18("5","8","1","9","9","6","1") = "8"
    & skf18("5","8","1","9","9","7","1") = "8"
    & skf18("5","8","1","9","9","8","1") = "8"
    & skf18("5","8","1","9","9","9","1") = "8"
    & skf18("5","8","1","9","9","10","1") = "9"
    & skf18("5","8","1","9","10","1","1") = "9"
    & skf18("5","8","1","9","10","2","1") = "9"
    & skf18("5","8","1","9","10","3","1") = "9"
    & skf18("5","8","1","9","10","4","1") = "9"
    & skf18("5","8","1","9","10","5","1") = "9"
    & skf18("5","8","1","9","10","6","1") = "9"
    & skf18("5","8","1","9","10","7","1") = "9"
    & skf18("5","8","1","9","10","8","1") = "9"
    & skf18("5","8","1","9","10","9","1") = "9"
    & skf18("5","8","1","9","10","10","1") = "9"
    & skf18("5","8","1","10","1","1","1") = "9"
    & skf18("5","8","1","10","1","2","1") = "9"
    & skf18("5","8","1","10","1","3","1") = "9"
    & skf18("5","8","1","10","1","4","1") = "9"
    & skf18("5","8","1","10","1","5","1") = "9"
    & skf18("5","8","1","10","1","6","1") = "9"
    & skf18("5","8","1","10","1","7","1") = "9"
    & skf18("5","8","1","10","1","8","1") = "9"
    & skf18("5","8","1","10","1","9","1") = "9"
    & skf18("5","8","1","10","1","10","1") = "9"
    & skf18("5","8","1","10","2","1","1") = "9"
    & skf18("5","8","1","10","2","2","1") = "9"
    & skf18("5","8","1","10","2","3","1") = "9"
    & skf18("5","8","1","10","2","4","1") = "9"
    & skf18("5","8","1","10","2","5","1") = "9"
    & skf18("5","8","1","10","2","6","1") = "9"
    & skf18("5","8","1","10","2","7","1") = "9"
    & skf18("5","8","1","10","2","8","1") = "9"
    & skf18("5","8","1","10","2","9","1") = "9"
    & skf18("5","8","1","10","2","10","1") = "9"
    & skf18("5","8","1","10","3","1","1") = "9"
    & skf18("5","8","1","10","3","2","1") = "9"
    & skf18("5","8","1","10","3","3","1") = "9"
    & skf18("5","8","1","10","3","4","1") = "9"
    & skf18("5","8","1","10","3","5","1") = "9"
    & skf18("5","8","1","10","3","6","1") = "9"
    & skf18("5","8","1","10","3","7","1") = "9"
    & skf18("5","8","1","10","3","8","1") = "9"
    & skf18("5","8","1","10","3","9","1") = "9"
    & skf18("5","8","1","10","3","10","1") = "9"
    & skf18("5","8","1","10","4","1","1") = "9"
    & skf18("5","8","1","10","4","2","1") = "9"
    & skf18("5","8","1","10","4","3","1") = "9"
    & skf18("5","8","1","10","4","4","1") = "9"
    & skf18("5","8","1","10","4","5","1") = "9"
    & skf18("5","8","1","10","4","6","1") = "9"
    & skf18("5","8","1","10","4","7","1") = "9"
    & skf18("5","8","1","10","4","8","1") = "9"
    & skf18("5","8","1","10","4","9","1") = "9"
    & skf18("5","8","1","10","4","10","1") = "9"
    & skf18("5","8","1","10","5","1","1") = "9"
    & skf18("5","8","1","10","5","2","1") = "9"
    & skf18("5","8","1","10","5","3","1") = "9"
    & skf18("5","8","1","10","5","4","1") = "9"
    & skf18("5","8","1","10","5","5","1") = "9"
    & skf18("5","8","1","10","5","6","1") = "9"
    & skf18("5","8","1","10","5","7","1") = "9"
    & skf18("5","8","1","10","5","8","1") = "9"
    & skf18("5","8","1","10","5","9","1") = "9"
    & skf18("5","8","1","10","5","10","1") = "9"
    & skf18("5","8","1","10","6","1","1") = "9"
    & skf18("5","8","1","10","6","2","1") = "9"
    & skf18("5","8","1","10","6","3","1") = "9"
    & skf18("5","8","1","10","6","4","1") = "9"
    & skf18("5","8","1","10","6","5","1") = "9"
    & skf18("5","8","1","10","6","6","1") = "9"
    & skf18("5","8","1","10","6","7","1") = "9"
    & skf18("5","8","1","10","6","8","1") = "9"
    & skf18("5","8","1","10","6","9","1") = "9"
    & skf18("5","8","1","10","6","10","1") = "9"
    & skf18("5","8","1","10","7","1","1") = "9"
    & skf18("5","8","1","10","7","2","1") = "9"
    & skf18("5","8","1","10","7","3","1") = "9"
    & skf18("5","8","1","10","7","4","1") = "9"
    & skf18("5","8","1","10","7","5","1") = "9"
    & skf18("5","8","1","10","7","6","1") = "9"
    & skf18("5","8","1","10","7","7","1") = "9"
    & skf18("5","8","1","10","7","8","1") = "9"
    & skf18("5","8","1","10","7","9","1") = "9"
    & skf18("5","8","1","10","7","10","1") = "9"
    & skf18("5","8","1","10","8","1","1") = "9"
    & skf18("5","8","1","10","8","2","1") = "9"
    & skf18("5","8","1","10","8","3","1") = "9"
    & skf18("5","8","1","10","8","4","1") = "9"
    & skf18("5","8","1","10","8","5","1") = "9"
    & skf18("5","8","1","10","8","6","1") = "9"
    & skf18("5","8","1","10","8","7","1") = "9"
    & skf18("5","8","1","10","8","8","1") = "9"
    & skf18("5","8","1","10","8","9","1") = "9"
    & skf18("5","8","1","10","8","10","1") = "9"
    & skf18("5","8","1","10","9","1","1") = "9"
    & skf18("5","8","1","10","9","2","1") = "9"
    & skf18("5","8","1","10","9","3","1") = "9"
    & skf18("5","8","1","10","9","4","1") = "9"
    & skf18("5","8","1","10","9","5","1") = "9"
    & skf18("5","8","1","10","9","6","1") = "9"
    & skf18("5","8","1","10","9","7","1") = "9"
    & skf18("5","8","1","10","9","8","1") = "9"
    & skf18("5","8","1","10","9","9","1") = "9"
    & skf18("5","8","1","10","9","10","1") = "9"
    & skf18("5","8","1","10","10","1","1") = "9"
    & skf18("5","8","1","10","10","2","1") = "9"
    & skf18("5","8","1","10","10","3","1") = "9"
    & skf18("5","8","1","10","10","4","1") = "9"
    & skf18("5","8","1","10","10","5","1") = "9"
    & skf18("5","8","1","10","10","6","1") = "9"
    & skf18("5","8","1","10","10","7","1") = "9"
    & skf18("5","8","1","10","10","8","1") = "9"
    & skf18("5","8","1","10","10","9","1") = "9"
    & skf18("5","8","1","10","10","10","1") = "9"
    & skf18("5","8","2","1","1","1","1") = "7"
    & skf18("5","8","2","1","1","2","1") = "7"
    & skf18("5","8","2","1","1","3","1") = "7"
    & skf18("5","8","2","1","1","4","1") = "7"
    & skf18("5","8","2","1","1","5","1") = "7"
    & skf18("5","8","2","1","1","6","1") = "7"
    & skf18("5","8","2","1","1","7","1") = "7"
    & skf18("5","8","2","1","1","8","1") = "7"
    & skf18("5","8","2","1","1","9","1") = "8"
    & skf18("5","8","2","1","1","10","1") = "9"
    & skf18("5","8","2","1","2","1","1") = "7"
    & skf18("5","8","2","1","2","2","1") = "7"
    & skf18("5","8","2","1","2","3","1") = "7"
    & skf18("5","8","2","1","2","4","1") = "7"
    & skf18("5","8","2","1","2","5","1") = "7"
    & skf18("5","8","2","1","2","6","1") = "7"
    & skf18("5","8","2","1","2","7","1") = "7"
    & skf18("5","8","2","1","2","8","1") = "7"
    & skf18("5","8","2","1","2","9","1") = "8"
    & skf18("5","8","2","1","2","10","1") = "9"
    & skf18("5","8","2","1","3","1","1") = "7"
    & skf18("5","8","2","1","3","2","1") = "7"
    & skf18("5","8","2","1","3","3","1") = "7"
    & skf18("5","8","2","1","3","4","1") = "7"
    & skf18("5","8","2","1","3","5","1") = "7"
    & skf18("5","8","2","1","3","6","1") = "7"
    & skf18("5","8","2","1","3","7","1") = "7"
    & skf18("5","8","2","1","3","8","1") = "7"
    & skf18("5","8","2","1","3","9","1") = "8"
    & skf18("5","8","2","1","3","10","1") = "9"
    & skf18("5","8","2","1","4","1","1") = "7"
    & skf18("5","8","2","1","4","2","1") = "7"
    & skf18("5","8","2","1","4","3","1") = "7"
    & skf18("5","8","2","1","4","4","1") = "7"
    & skf18("5","8","2","1","4","5","1") = "7"
    & skf18("5","8","2","1","4","6","1") = "7"
    & skf18("5","8","2","1","4","7","1") = "7"
    & skf18("5","8","2","1","4","8","1") = "7"
    & skf18("5","8","2","1","4","9","1") = "8"
    & skf18("5","8","2","1","4","10","1") = "9"
    & skf18("5","8","2","1","5","1","1") = "7"
    & skf18("5","8","2","1","5","2","1") = "7"
    & skf18("5","8","2","1","5","3","1") = "7"
    & skf18("5","8","2","1","5","4","1") = "7"
    & skf18("5","8","2","1","5","5","1") = "7"
    & skf18("5","8","2","1","5","6","1") = "7"
    & skf18("5","8","2","1","5","7","1") = "7"
    & skf18("5","8","2","1","5","8","1") = "7"
    & skf18("5","8","2","1","5","9","1") = "8"
    & skf18("5","8","2","1","5","10","1") = "9"
    & skf18("5","8","2","1","6","1","1") = "7"
    & skf18("5","8","2","1","6","2","1") = "7"
    & skf18("5","8","2","1","6","3","1") = "7"
    & skf18("5","8","2","1","6","4","1") = "7"
    & skf18("5","8","2","1","6","5","1") = "7"
    & skf18("5","8","2","1","6","6","1") = "7"
    & skf18("5","8","2","1","6","7","1") = "7"
    & skf18("5","8","2","1","6","8","1") = "7"
    & skf18("5","8","2","1","6","9","1") = "8"
    & skf18("5","8","2","1","6","10","1") = "9"
    & skf18("5","8","2","1","7","1","1") = "7"
    & skf18("5","8","2","1","7","2","1") = "7"
    & skf18("5","8","2","1","7","3","1") = "7"
    & skf18("5","8","2","1","7","4","1") = "7"
    & skf18("5","8","2","1","7","5","1") = "7"
    & skf18("5","8","2","1","7","6","1") = "7"
    & skf18("5","8","2","1","7","7","1") = "7"
    & skf18("5","8","2","1","7","8","1") = "7"
    & skf18("5","8","2","1","7","9","1") = "8"
    & skf18("5","8","2","1","7","10","1") = "9"
    & skf18("5","8","2","1","8","1","1") = "7"
    & skf18("5","8","2","1","8","2","1") = "7"
    & skf18("5","8","2","1","8","3","1") = "7"
    & skf18("5","8","2","1","8","4","1") = "7"
    & skf18("5","8","2","1","8","5","1") = "7"
    & skf18("5","8","2","1","8","6","1") = "7"
    & skf18("5","8","2","1","8","7","1") = "7"
    & skf18("5","8","2","1","8","8","1") = "7"
    & skf18("5","8","2","1","8","9","1") = "8"
    & skf18("5","8","2","1","8","10","1") = "9"
    & skf18("5","8","2","1","9","1","1") = "8"
    & skf18("5","8","2","1","9","2","1") = "8"
    & skf18("5","8","2","1","9","3","1") = "8"
    & skf18("5","8","2","1","9","4","1") = "8"
    & skf18("5","8","2","1","9","5","1") = "8"
    & skf18("5","8","2","1","9","6","1") = "8"
    & skf18("5","8","2","1","9","7","1") = "8"
    & skf18("5","8","2","1","9","8","1") = "8"
    & skf18("5","8","2","1","9","9","1") = "8"
    & skf18("5","8","2","1","9","10","1") = "9"
    & skf18("5","8","2","1","10","1","1") = "9"
    & skf18("5","8","2","1","10","2","1") = "9"
    & skf18("5","8","2","1","10","3","1") = "9"
    & skf18("5","8","2","1","10","4","1") = "9"
    & skf18("5","8","2","1","10","5","1") = "9"
    & skf18("5","8","2","1","10","6","1") = "9"
    & skf18("5","8","2","1","10","7","1") = "9"
    & skf18("5","8","2","1","10","8","1") = "9"
    & skf18("5","8","2","1","10","9","1") = "9"
    & skf18("5","8","2","1","10","10","1") = "9"
    & skf18("5","8","2","2","1","1","1") = "7"
    & skf18("5","8","2","2","1","2","1") = "7"
    & skf18("5","8","2","2","1","3","1") = "7"
    & skf18("5","8","2","2","1","4","1") = "7"
    & skf18("5","8","2","2","1","5","1") = "7"
    & skf18("5","8","2","2","1","6","1") = "7"
    & skf18("5","8","2","2","1","7","1") = "7"
    & skf18("5","8","2","2","1","8","1") = "7"
    & skf18("5","8","2","2","1","9","1") = "8"
    & skf18("5","8","2","2","1","10","1") = "9"
    & skf18("5","8","2","2","2","1","1") = "7"
    & skf18("5","8","2","2","2","2","1") = "7"
    & skf18("5","8","2","2","2","3","1") = "7"
    & skf18("5","8","2","2","2","4","1") = "7"
    & skf18("5","8","2","2","2","5","1") = "7"
    & skf18("5","8","2","2","2","6","1") = "7"
    & skf18("5","8","2","2","2","7","1") = "7"
    & skf18("5","8","2","2","2","8","1") = "7"
    & skf18("5","8","2","2","2","9","1") = "8"
    & skf18("5","8","2","2","2","10","1") = "9"
    & skf18("5","8","2","2","3","1","1") = "7"
    & skf18("5","8","2","2","3","2","1") = "7"
    & skf18("5","8","2","2","3","3","1") = "7"
    & skf18("5","8","2","2","3","4","1") = "7"
    & skf18("5","8","2","2","3","5","1") = "7"
    & skf18("5","8","2","2","3","6","1") = "7"
    & skf18("5","8","2","2","3","7","1") = "7"
    & skf18("5","8","2","2","3","8","1") = "7"
    & skf18("5","8","2","2","3","9","1") = "8"
    & skf18("5","8","2","2","3","10","1") = "9"
    & skf18("5","8","2","2","4","1","1") = "7"
    & skf18("5","8","2","2","4","2","1") = "7"
    & skf18("5","8","2","2","4","3","1") = "7"
    & skf18("5","8","2","2","4","4","1") = "7"
    & skf18("5","8","2","2","4","5","1") = "7"
    & skf18("5","8","2","2","4","6","1") = "7"
    & skf18("5","8","2","2","4","7","1") = "7"
    & skf18("5","8","2","2","4","8","1") = "7"
    & skf18("5","8","2","2","4","9","1") = "8"
    & skf18("5","8","2","2","4","10","1") = "9"
    & skf18("5","8","2","2","5","1","1") = "7"
    & skf18("5","8","2","2","5","2","1") = "7"
    & skf18("5","8","2","2","5","3","1") = "7"
    & skf18("5","8","2","2","5","4","1") = "7"
    & skf18("5","8","2","2","5","5","1") = "7"
    & skf18("5","8","2","2","5","6","1") = "7"
    & skf18("5","8","2","2","5","7","1") = "7"
    & skf18("5","8","2","2","5","8","1") = "7"
    & skf18("5","8","2","2","5","9","1") = "8"
    & skf18("5","8","2","2","5","10","1") = "9"
    & skf18("5","8","2","2","6","1","1") = "7"
    & skf18("5","8","2","2","6","2","1") = "7"
    & skf18("5","8","2","2","6","3","1") = "7"
    & skf18("5","8","2","2","6","4","1") = "7"
    & skf18("5","8","2","2","6","5","1") = "7"
    & skf18("5","8","2","2","6","6","1") = "7"
    & skf18("5","8","2","2","6","7","1") = "7"
    & skf18("5","8","2","2","6","8","1") = "7"
    & skf18("5","8","2","2","6","9","1") = "8"
    & skf18("5","8","2","2","6","10","1") = "9"
    & skf18("5","8","2","2","7","1","1") = "7"
    & skf18("5","8","2","2","7","2","1") = "7"
    & skf18("5","8","2","2","7","3","1") = "7"
    & skf18("5","8","2","2","7","4","1") = "7"
    & skf18("5","8","2","2","7","5","1") = "7"
    & skf18("5","8","2","2","7","6","1") = "7"
    & skf18("5","8","2","2","7","7","1") = "7"
    & skf18("5","8","2","2","7","8","1") = "7"
    & skf18("5","8","2","2","7","9","1") = "8"
    & skf18("5","8","2","2","7","10","1") = "9"
    & skf18("5","8","2","2","8","1","1") = "7"
    & skf18("5","8","2","2","8","2","1") = "7"
    & skf18("5","8","2","2","8","3","1") = "7"
    & skf18("5","8","2","2","8","4","1") = "7"
    & skf18("5","8","2","2","8","5","1") = "7"
    & skf18("5","8","2","2","8","6","1") = "7"
    & skf18("5","8","2","2","8","7","1") = "7"
    & skf18("5","8","2","2","8","8","1") = "7"
    & skf18("5","8","2","2","8","9","1") = "8"
    & skf18("5","8","2","2","8","10","1") = "9"
    & skf18("5","8","2","2","9","1","1") = "8"
    & skf18("5","8","2","2","9","2","1") = "8"
    & skf18("5","8","2","2","9","3","1") = "8"
    & skf18("5","8","2","2","9","4","1") = "8"
    & skf18("5","8","2","2","9","5","1") = "8"
    & skf18("5","8","2","2","9","6","1") = "8"
    & skf18("5","8","2","2","9","7","1") = "8"
    & skf18("5","8","2","2","9","8","1") = "8"
    & skf18("5","8","2","2","9","9","1") = "8"
    & skf18("5","8","2","2","9","10","1") = "9"
    & skf18("5","8","2","2","10","1","1") = "9"
    & skf18("5","8","2","2","10","2","1") = "9"
    & skf18("5","8","2","2","10","3","1") = "9"
    & skf18("5","8","2","2","10","4","1") = "9"
    & skf18("5","8","2","2","10","5","1") = "9"
    & skf18("5","8","2","2","10","6","1") = "9"
    & skf18("5","8","2","2","10","7","1") = "9"
    & skf18("5","8","2","2","10","8","1") = "9"
    & skf18("5","8","2","2","10","9","1") = "9"
    & skf18("5","8","2","2","10","10","1") = "9"
    & skf18("5","8","2","3","1","1","1") = "7"
    & skf18("5","8","2","3","1","2","1") = "7"
    & skf18("5","8","2","3","1","3","1") = "7"
    & skf18("5","8","2","3","1","4","1") = "7"
    & skf18("5","8","2","3","1","5","1") = "7"
    & skf18("5","8","2","3","1","6","1") = "7"
    & skf18("5","8","2","3","1","7","1") = "7"
    & skf18("5","8","2","3","1","8","1") = "7"
    & skf18("5","8","2","3","1","9","1") = "8"
    & skf18("5","8","2","3","1","10","1") = "9"
    & skf18("5","8","2","3","2","1","1") = "7"
    & skf18("5","8","2","3","2","2","1") = "7"
    & skf18("5","8","2","3","2","3","1") = "7"
    & skf18("5","8","2","3","2","4","1") = "7"
    & skf18("5","8","2","3","2","5","1") = "7"
    & skf18("5","8","2","3","2","6","1") = "7"
    & skf18("5","8","2","3","2","7","1") = "7"
    & skf18("5","8","2","3","2","8","1") = "7"
    & skf18("5","8","2","3","2","9","1") = "8"
    & skf18("5","8","2","3","2","10","1") = "9"
    & skf18("5","8","2","3","3","1","1") = "7"
    & skf18("5","8","2","3","3","2","1") = "7"
    & skf18("5","8","2","3","3","3","1") = "7"
    & skf18("5","8","2","3","3","4","1") = "7"
    & skf18("5","8","2","3","3","5","1") = "7"
    & skf18("5","8","2","3","3","6","1") = "7"
    & skf18("5","8","2","3","3","7","1") = "7"
    & skf18("5","8","2","3","3","8","1") = "7"
    & skf18("5","8","2","3","3","9","1") = "8"
    & skf18("5","8","2","3","3","10","1") = "9"
    & skf18("5","8","2","3","4","1","1") = "7"
    & skf18("5","8","2","3","4","2","1") = "7"
    & skf18("5","8","2","3","4","3","1") = "7"
    & skf18("5","8","2","3","4","4","1") = "7"
    & skf18("5","8","2","3","4","5","1") = "7"
    & skf18("5","8","2","3","4","6","1") = "7"
    & skf18("5","8","2","3","4","7","1") = "7"
    & skf18("5","8","2","3","4","8","1") = "7"
    & skf18("5","8","2","3","4","9","1") = "8"
    & skf18("5","8","2","3","4","10","1") = "9"
    & skf18("5","8","2","3","5","1","1") = "7"
    & skf18("5","8","2","3","5","2","1") = "7"
    & skf18("5","8","2","3","5","3","1") = "7"
    & skf18("5","8","2","3","5","4","1") = "7"
    & skf18("5","8","2","3","5","5","1") = "7"
    & skf18("5","8","2","3","5","6","1") = "7"
    & skf18("5","8","2","3","5","7","1") = "7"
    & skf18("5","8","2","3","5","8","1") = "7"
    & skf18("5","8","2","3","5","9","1") = "8"
    & skf18("5","8","2","3","5","10","1") = "9"
    & skf18("5","8","2","3","6","1","1") = "7"
    & skf18("5","8","2","3","6","2","1") = "7"
    & skf18("5","8","2","3","6","3","1") = "7"
    & skf18("5","8","2","3","6","4","1") = "7"
    & skf18("5","8","2","3","6","5","1") = "7"
    & skf18("5","8","2","3","6","6","1") = "7"
    & skf18("5","8","2","3","6","7","1") = "7"
    & skf18("5","8","2","3","6","8","1") = "7"
    & skf18("5","8","2","3","6","9","1") = "8"
    & skf18("5","8","2","3","6","10","1") = "9"
    & skf18("5","8","2","3","7","1","1") = "7"
    & skf18("5","8","2","3","7","2","1") = "7"
    & skf18("5","8","2","3","7","3","1") = "7"
    & skf18("5","8","2","3","7","4","1") = "7"
    & skf18("5","8","2","3","7","5","1") = "7"
    & skf18("5","8","2","3","7","6","1") = "7"
    & skf18("5","8","2","3","7","7","1") = "7"
    & skf18("5","8","2","3","7","8","1") = "7"
    & skf18("5","8","2","3","7","9","1") = "8"
    & skf18("5","8","2","3","7","10","1") = "9"
    & skf18("5","8","2","3","8","1","1") = "7"
    & skf18("5","8","2","3","8","2","1") = "7"
    & skf18("5","8","2","3","8","3","1") = "7"
    & skf18("5","8","2","3","8","4","1") = "7"
    & skf18("5","8","2","3","8","5","1") = "7"
    & skf18("5","8","2","3","8","6","1") = "7"
    & skf18("5","8","2","3","8","7","1") = "7"
    & skf18("5","8","2","3","8","8","1") = "7"
    & skf18("5","8","2","3","8","9","1") = "8"
    & skf18("5","8","2","3","8","10","1") = "9"
    & skf18("5","8","2","3","9","1","1") = "8"
    & skf18("5","8","2","3","9","2","1") = "8"
    & skf18("5","8","2","3","9","3","1") = "8"
    & skf18("5","8","2","3","9","4","1") = "8"
    & skf18("5","8","2","3","9","5","1") = "8"
    & skf18("5","8","2","3","9","6","1") = "8"
    & skf18("5","8","2","3","9","7","1") = "8"
    & skf18("5","8","2","3","9","8","1") = "8"
    & skf18("5","8","2","3","9","9","1") = "8"
    & skf18("5","8","2","3","9","10","1") = "9"
    & skf18("5","8","2","3","10","1","1") = "9"
    & skf18("5","8","2","3","10","2","1") = "9"
    & skf18("5","8","2","3","10","3","1") = "9"
    & skf18("5","8","2","3","10","4","1") = "9"
    & skf18("5","8","2","3","10","5","1") = "9"
    & skf18("5","8","2","3","10","6","1") = "9"
    & skf18("5","8","2","3","10","7","1") = "9"
    & skf18("5","8","2","3","10","8","1") = "9"
    & skf18("5","8","2","3","10","9","1") = "9"
    & skf18("5","8","2","3","10","10","1") = "9"
    & skf18("5","8","2","4","1","1","1") = "7"
    & skf18("5","8","2","4","1","2","1") = "7"
    & skf18("5","8","2","4","1","3","1") = "7"
    & skf18("5","8","2","4","1","4","1") = "7"
    & skf18("5","8","2","4","1","5","1") = "7"
    & skf18("5","8","2","4","1","6","1") = "7"
    & skf18("5","8","2","4","1","7","1") = "7"
    & skf18("5","8","2","4","1","8","1") = "7"
    & skf18("5","8","2","4","1","9","1") = "8"
    & skf18("5","8","2","4","1","10","1") = "9"
    & skf18("5","8","2","4","2","1","1") = "7"
    & skf18("5","8","2","4","2","2","1") = "7"
    & skf18("5","8","2","4","2","3","1") = "7"
    & skf18("5","8","2","4","2","4","1") = "7"
    & skf18("5","8","2","4","2","5","1") = "7"
    & skf18("5","8","2","4","2","6","1") = "7"
    & skf18("5","8","2","4","2","7","1") = "7"
    & skf18("5","8","2","4","2","8","1") = "7"
    & skf18("5","8","2","4","2","9","1") = "8"
    & skf18("5","8","2","4","2","10","1") = "9"
    & skf18("5","8","2","4","3","1","1") = "7"
    & skf18("5","8","2","4","3","2","1") = "7"
    & skf18("5","8","2","4","3","3","1") = "7"
    & skf18("5","8","2","4","3","4","1") = "7"
    & skf18("5","8","2","4","3","5","1") = "7"
    & skf18("5","8","2","4","3","6","1") = "7"
    & skf18("5","8","2","4","3","7","1") = "7"
    & skf18("5","8","2","4","3","8","1") = "7"
    & skf18("5","8","2","4","3","9","1") = "8"
    & skf18("5","8","2","4","3","10","1") = "9"
    & skf18("5","8","2","4","4","1","1") = "7"
    & skf18("5","8","2","4","4","2","1") = "7"
    & skf18("5","8","2","4","4","3","1") = "7"
    & skf18("5","8","2","4","4","4","1") = "7"
    & skf18("5","8","2","4","4","5","1") = "7"
    & skf18("5","8","2","4","4","6","1") = "7"
    & skf18("5","8","2","4","4","7","1") = "7"
    & skf18("5","8","2","4","4","8","1") = "7"
    & skf18("5","8","2","4","4","9","1") = "8"
    & skf18("5","8","2","4","4","10","1") = "9"
    & skf18("5","8","2","4","5","1","1") = "7"
    & skf18("5","8","2","4","5","2","1") = "7"
    & skf18("5","8","2","4","5","3","1") = "7"
    & skf18("5","8","2","4","5","4","1") = "7"
    & skf18("5","8","2","4","5","5","1") = "7"
    & skf18("5","8","2","4","5","6","1") = "7"
    & skf18("5","8","2","4","5","7","1") = "7"
    & skf18("5","8","2","4","5","8","1") = "7"
    & skf18("5","8","2","4","5","9","1") = "8"
    & skf18("5","8","2","4","5","10","1") = "9"
    & skf18("5","8","2","4","6","1","1") = "7"
    & skf18("5","8","2","4","6","2","1") = "7"
    & skf18("5","8","2","4","6","3","1") = "7"
    & skf18("5","8","2","4","6","4","1") = "7"
    & skf18("5","8","2","4","6","5","1") = "7"
    & skf18("5","8","2","4","6","6","1") = "7"
    & skf18("5","8","2","4","6","7","1") = "7"
    & skf18("5","8","2","4","6","8","1") = "7"
    & skf18("5","8","2","4","6","9","1") = "8"
    & skf18("5","8","2","4","6","10","1") = "9"
    & skf18("5","8","2","4","7","1","1") = "7"
    & skf18("5","8","2","4","7","2","1") = "7"
    & skf18("5","8","2","4","7","3","1") = "7"
    & skf18("5","8","2","4","7","4","1") = "7"
    & skf18("5","8","2","4","7","5","1") = "7"
    & skf18("5","8","2","4","7","6","1") = "7"
    & skf18("5","8","2","4","7","7","1") = "7"
    & skf18("5","8","2","4","7","8","1") = "7"
    & skf18("5","8","2","4","7","9","1") = "8"
    & skf18("5","8","2","4","7","10","1") = "9"
    & skf18("5","8","2","4","8","1","1") = "7"
    & skf18("5","8","2","4","8","2","1") = "7"
    & skf18("5","8","2","4","8","3","1") = "7"
    & skf18("5","8","2","4","8","4","1") = "7"
    & skf18("5","8","2","4","8","5","1") = "7"
    & skf18("5","8","2","4","8","6","1") = "7"
    & skf18("5","8","2","4","8","7","1") = "7"
    & skf18("5","8","2","4","8","8","1") = "7"
    & skf18("5","8","2","4","8","9","1") = "8"
    & skf18("5","8","2","4","8","10","1") = "9"
    & skf18("5","8","2","4","9","1","1") = "8"
    & skf18("5","8","2","4","9","2","1") = "8"
    & skf18("5","8","2","4","9","3","1") = "8"
    & skf18("5","8","2","4","9","4","1") = "8"
    & skf18("5","8","2","4","9","5","1") = "8"
    & skf18("5","8","2","4","9","6","1") = "8"
    & skf18("5","8","2","4","9","7","1") = "8"
    & skf18("5","8","2","4","9","8","1") = "8"
    & skf18("5","8","2","4","9","9","1") = "8"
    & skf18("5","8","2","4","9","10","1") = "9"
    & skf18("5","8","2","4","10","1","1") = "9"
    & skf18("5","8","2","4","10","2","1") = "9"
    & skf18("5","8","2","4","10","3","1") = "9"
    & skf18("5","8","2","4","10","4","1") = "9"
    & skf18("5","8","2","4","10","5","1") = "9"
    & skf18("5","8","2","4","10","6","1") = "9"
    & skf18("5","8","2","4","10","7","1") = "9"
    & skf18("5","8","2","4","10","8","1") = "9"
    & skf18("5","8","2","4","10","9","1") = "9"
    & skf18("5","8","2","4","10","10","1") = "9"
    & skf18("5","8","2","5","1","1","1") = "7"
    & skf18("5","8","2","5","1","2","1") = "7"
    & skf18("5","8","2","5","1","3","1") = "7"
    & skf18("5","8","2","5","1","4","1") = "7"
    & skf18("5","8","2","5","1","5","1") = "7"
    & skf18("5","8","2","5","1","6","1") = "7"
    & skf18("5","8","2","5","1","7","1") = "7"
    & skf18("5","8","2","5","1","8","1") = "7"
    & skf18("5","8","2","5","1","9","1") = "8"
    & skf18("5","8","2","5","1","10","1") = "9"
    & skf18("5","8","2","5","2","1","1") = "7"
    & skf18("5","8","2","5","2","2","1") = "7"
    & skf18("5","8","2","5","2","3","1") = "7"
    & skf18("5","8","2","5","2","4","1") = "7"
    & skf18("5","8","2","5","2","5","1") = "7"
    & skf18("5","8","2","5","2","6","1") = "7"
    & skf18("5","8","2","5","2","7","1") = "7"
    & skf18("5","8","2","5","2","8","1") = "7"
    & skf18("5","8","2","5","2","9","1") = "8"
    & skf18("5","8","2","5","2","10","1") = "9"
    & skf18("5","8","2","5","3","1","1") = "7"
    & skf18("5","8","2","5","3","2","1") = "7"
    & skf18("5","8","2","5","3","3","1") = "7"
    & skf18("5","8","2","5","3","4","1") = "7"
    & skf18("5","8","2","5","3","5","1") = "7"
    & skf18("5","8","2","5","3","6","1") = "7"
    & skf18("5","8","2","5","3","7","1") = "7"
    & skf18("5","8","2","5","3","8","1") = "7"
    & skf18("5","8","2","5","3","9","1") = "8"
    & skf18("5","8","2","5","3","10","1") = "9"
    & skf18("5","8","2","5","4","1","1") = "7"
    & skf18("5","8","2","5","4","2","1") = "7"
    & skf18("5","8","2","5","4","3","1") = "7"
    & skf18("5","8","2","5","4","4","1") = "7"
    & skf18("5","8","2","5","4","5","1") = "7"
    & skf18("5","8","2","5","4","6","1") = "7"
    & skf18("5","8","2","5","4","7","1") = "7"
    & skf18("5","8","2","5","4","8","1") = "7"
    & skf18("5","8","2","5","4","9","1") = "8"
    & skf18("5","8","2","5","4","10","1") = "9"
    & skf18("5","8","2","5","5","1","1") = "7"
    & skf18("5","8","2","5","5","2","1") = "7"
    & skf18("5","8","2","5","5","3","1") = "7"
    & skf18("5","8","2","5","5","4","1") = "7"
    & skf18("5","8","2","5","5","5","1") = "7"
    & skf18("5","8","2","5","5","6","1") = "7"
    & skf18("5","8","2","5","5","7","1") = "7"
    & skf18("5","8","2","5","5","8","1") = "7"
    & skf18("5","8","2","5","5","9","1") = "8"
    & skf18("5","8","2","5","5","10","1") = "9"
    & skf18("5","8","2","5","6","1","1") = "7"
    & skf18("5","8","2","5","6","2","1") = "7"
    & skf18("5","8","2","5","6","3","1") = "7"
    & skf18("5","8","2","5","6","4","1") = "7"
    & skf18("5","8","2","5","6","5","1") = "7"
    & skf18("5","8","2","5","6","6","1") = "7"
    & skf18("5","8","2","5","6","7","1") = "7"
    & skf18("5","8","2","5","6","8","1") = "7"
    & skf18("5","8","2","5","6","9","1") = "8"
    & skf18("5","8","2","5","6","10","1") = "9"
    & skf18("5","8","2","5","7","1","1") = "7"
    & skf18("5","8","2","5","7","2","1") = "7"
    & skf18("5","8","2","5","7","3","1") = "7"
    & skf18("5","8","2","5","7","4","1") = "7"
    & skf18("5","8","2","5","7","5","1") = "7"
    & skf18("5","8","2","5","7","6","1") = "7"
    & skf18("5","8","2","5","7","7","1") = "7"
    & skf18("5","8","2","5","7","8","1") = "7"
    & skf18("5","8","2","5","7","9","1") = "8"
    & skf18("5","8","2","5","7","10","1") = "9"
    & skf18("5","8","2","5","8","1","1") = "7"
    & skf18("5","8","2","5","8","2","1") = "7"
    & skf18("5","8","2","5","8","3","1") = "7"
    & skf18("5","8","2","5","8","4","1") = "7"
    & skf18("5","8","2","5","8","5","1") = "7"
    & skf18("5","8","2","5","8","6","1") = "7"
    & skf18("5","8","2","5","8","7","1") = "7"
    & skf18("5","8","2","5","8","8","1") = "7"
    & skf18("5","8","2","5","8","9","1") = "8"
    & skf18("5","8","2","5","8","10","1") = "9"
    & skf18("5","8","2","5","9","1","1") = "8"
    & skf18("5","8","2","5","9","2","1") = "8"
    & skf18("5","8","2","5","9","3","1") = "8"
    & skf18("5","8","2","5","9","4","1") = "8"
    & skf18("5","8","2","5","9","5","1") = "8"
    & skf18("5","8","2","5","9","6","1") = "8"
    & skf18("5","8","2","5","9","7","1") = "8"
    & skf18("5","8","2","5","9","8","1") = "8"
    & skf18("5","8","2","5","9","9","1") = "8"
    & skf18("5","8","2","5","9","10","1") = "9"
    & skf18("5","8","2","5","10","1","1") = "9"
    & skf18("5","8","2","5","10","2","1") = "9"
    & skf18("5","8","2","5","10","3","1") = "9"
    & skf18("5","8","2","5","10","4","1") = "9"
    & skf18("5","8","2","5","10","5","1") = "9"
    & skf18("5","8","2","5","10","6","1") = "9"
    & skf18("5","8","2","5","10","7","1") = "9"
    & skf18("5","8","2","5","10","8","1") = "9"
    & skf18("5","8","2","5","10","9","1") = "9"
    & skf18("5","8","2","5","10","10","1") = "9"
    & skf18("5","8","2","6","1","1","1") = "7"
    & skf18("5","8","2","6","1","2","1") = "7"
    & skf18("5","8","2","6","1","3","1") = "7"
    & skf18("5","8","2","6","1","4","1") = "7"
    & skf18("5","8","2","6","1","5","1") = "7"
    & skf18("5","8","2","6","1","6","1") = "7"
    & skf18("5","8","2","6","1","7","1") = "7"
    & skf18("5","8","2","6","1","8","1") = "7"
    & skf18("5","8","2","6","1","9","1") = "8"
    & skf18("5","8","2","6","1","10","1") = "9"
    & skf18("5","8","2","6","2","1","1") = "7"
    & skf18("5","8","2","6","2","2","1") = "7"
    & skf18("5","8","2","6","2","3","1") = "7"
    & skf18("5","8","2","6","2","4","1") = "7"
    & skf18("5","8","2","6","2","5","1") = "7"
    & skf18("5","8","2","6","2","6","1") = "7"
    & skf18("5","8","2","6","2","7","1") = "7"
    & skf18("5","8","2","6","2","8","1") = "7"
    & skf18("5","8","2","6","2","9","1") = "8"
    & skf18("5","8","2","6","2","10","1") = "9"
    & skf18("5","8","2","6","3","1","1") = "7"
    & skf18("5","8","2","6","3","2","1") = "7"
    & skf18("5","8","2","6","3","3","1") = "7"
    & skf18("5","8","2","6","3","4","1") = "7"
    & skf18("5","8","2","6","3","5","1") = "7"
    & skf18("5","8","2","6","3","6","1") = "7"
    & skf18("5","8","2","6","3","7","1") = "7"
    & skf18("5","8","2","6","3","8","1") = "7"
    & skf18("5","8","2","6","3","9","1") = "8"
    & skf18("5","8","2","6","3","10","1") = "9"
    & skf18("5","8","2","6","4","1","1") = "7"
    & skf18("5","8","2","6","4","2","1") = "7"
    & skf18("5","8","2","6","4","3","1") = "7"
    & skf18("5","8","2","6","4","4","1") = "7"
    & skf18("5","8","2","6","4","5","1") = "7"
    & skf18("5","8","2","6","4","6","1") = "7"
    & skf18("5","8","2","6","4","7","1") = "7"
    & skf18("5","8","2","6","4","8","1") = "7"
    & skf18("5","8","2","6","4","9","1") = "8"
    & skf18("5","8","2","6","4","10","1") = "9"
    & skf18("5","8","2","6","5","1","1") = "7"
    & skf18("5","8","2","6","5","2","1") = "7"
    & skf18("5","8","2","6","5","3","1") = "7"
    & skf18("5","8","2","6","5","4","1") = "7"
    & skf18("5","8","2","6","5","5","1") = "7"
    & skf18("5","8","2","6","5","6","1") = "7"
    & skf18("5","8","2","6","5","7","1") = "7"
    & skf18("5","8","2","6","5","8","1") = "7"
    & skf18("5","8","2","6","5","9","1") = "8"
    & skf18("5","8","2","6","5","10","1") = "9"
    & skf18("5","8","2","6","6","1","1") = "7"
    & skf18("5","8","2","6","6","2","1") = "7"
    & skf18("5","8","2","6","6","3","1") = "7"
    & skf18("5","8","2","6","6","4","1") = "7"
    & skf18("5","8","2","6","6","5","1") = "7"
    & skf18("5","8","2","6","6","6","1") = "7"
    & skf18("5","8","2","6","6","7","1") = "7"
    & skf18("5","8","2","6","6","8","1") = "7"
    & skf18("5","8","2","6","6","9","1") = "8"
    & skf18("5","8","2","6","6","10","1") = "9"
    & skf18("5","8","2","6","7","1","1") = "7"
    & skf18("5","8","2","6","7","2","1") = "7"
    & skf18("5","8","2","6","7","3","1") = "7"
    & skf18("5","8","2","6","7","4","1") = "7"
    & skf18("5","8","2","6","7","5","1") = "7"
    & skf18("5","8","2","6","7","6","1") = "7"
    & skf18("5","8","2","6","7","7","1") = "7"
    & skf18("5","8","2","6","7","8","1") = "7"
    & skf18("5","8","2","6","7","9","1") = "8"
    & skf18("5","8","2","6","7","10","1") = "9"
    & skf18("5","8","2","6","8","1","1") = "7"
    & skf18("5","8","2","6","8","2","1") = "7"
    & skf18("5","8","2","6","8","3","1") = "7"
    & skf18("5","8","2","6","8","4","1") = "7"
    & skf18("5","8","2","6","8","5","1") = "7"
    & skf18("5","8","2","6","8","6","1") = "7"
    & skf18("5","8","2","6","8","7","1") = "7"
    & skf18("5","8","2","6","8","8","1") = "7"
    & skf18("5","8","2","6","8","9","1") = "8"
    & skf18("5","8","2","6","8","10","1") = "9"
    & skf18("5","8","2","6","9","1","1") = "8"
    & skf18("5","8","2","6","9","2","1") = "8"
    & skf18("5","8","2","6","9","3","1") = "8"
    & skf18("5","8","2","6","9","4","1") = "8"
    & skf18("5","8","2","6","9","5","1") = "8"
    & skf18("5","8","2","6","9","6","1") = "8"
    & skf18("5","8","2","6","9","7","1") = "8"
    & skf18("5","8","2","6","9","8","1") = "8"
    & skf18("5","8","2","6","9","9","1") = "8"
    & skf18("5","8","2","6","9","10","1") = "9"
    & skf18("5","8","2","6","10","1","1") = "9"
    & skf18("5","8","2","6","10","2","1") = "9"
    & skf18("5","8","2","6","10","3","1") = "9"
    & skf18("5","8","2","6","10","4","1") = "9"
    & skf18("5","8","2","6","10","5","1") = "9"
    & skf18("5","8","2","6","10","6","1") = "9"
    & skf18("5","8","2","6","10","7","1") = "9"
    & skf18("5","8","2","6","10","8","1") = "9"
    & skf18("5","8","2","6","10","9","1") = "9"
    & skf18("5","8","2","6","10","10","1") = "9"
    & skf18("5","8","2","7","1","1","1") = "7"
    & skf18("5","8","2","7","1","2","1") = "7"
    & skf18("5","8","2","7","1","3","1") = "7"
    & skf18("5","8","2","7","1","4","1") = "7"
    & skf18("5","8","2","7","1","5","1") = "7"
    & skf18("5","8","2","7","1","6","1") = "7"
    & skf18("5","8","2","7","1","7","1") = "7"
    & skf18("5","8","2","7","1","8","1") = "7"
    & skf18("5","8","2","7","1","9","1") = "8"
    & skf18("5","8","2","7","1","10","1") = "9"
    & skf18("5","8","2","7","2","1","1") = "7"
    & skf18("5","8","2","7","2","2","1") = "7"
    & skf18("5","8","2","7","2","3","1") = "7"
    & skf18("5","8","2","7","2","4","1") = "7"
    & skf18("5","8","2","7","2","5","1") = "7"
    & skf18("5","8","2","7","2","6","1") = "7"
    & skf18("5","8","2","7","2","7","1") = "7"
    & skf18("5","8","2","7","2","8","1") = "7"
    & skf18("5","8","2","7","2","9","1") = "8"
    & skf18("5","8","2","7","2","10","1") = "9"
    & skf18("5","8","2","7","3","1","1") = "7"
    & skf18("5","8","2","7","3","2","1") = "7"
    & skf18("5","8","2","7","3","3","1") = "7"
    & skf18("5","8","2","7","3","4","1") = "7"
    & skf18("5","8","2","7","3","5","1") = "7"
    & skf18("5","8","2","7","3","6","1") = "7"
    & skf18("5","8","2","7","3","7","1") = "7"
    & skf18("5","8","2","7","3","8","1") = "7"
    & skf18("5","8","2","7","3","9","1") = "8"
    & skf18("5","8","2","7","3","10","1") = "9"
    & skf18("5","8","2","7","4","1","1") = "7"
    & skf18("5","8","2","7","4","2","1") = "7"
    & skf18("5","8","2","7","4","3","1") = "7"
    & skf18("5","8","2","7","4","4","1") = "7"
    & skf18("5","8","2","7","4","5","1") = "7"
    & skf18("5","8","2","7","4","6","1") = "7"
    & skf18("5","8","2","7","4","7","1") = "7"
    & skf18("5","8","2","7","4","8","1") = "7"
    & skf18("5","8","2","7","4","9","1") = "8"
    & skf18("5","8","2","7","4","10","1") = "9"
    & skf18("5","8","2","7","5","1","1") = "7"
    & skf18("5","8","2","7","5","2","1") = "7"
    & skf18("5","8","2","7","5","3","1") = "7"
    & skf18("5","8","2","7","5","4","1") = "7"
    & skf18("5","8","2","7","5","5","1") = "7"
    & skf18("5","8","2","7","5","6","1") = "7"
    & skf18("5","8","2","7","5","7","1") = "7"
    & skf18("5","8","2","7","5","8","1") = "7"
    & skf18("5","8","2","7","5","9","1") = "8"
    & skf18("5","8","2","7","5","10","1") = "9"
    & skf18("5","8","2","7","6","1","1") = "7"
    & skf18("5","8","2","7","6","2","1") = "7"
    & skf18("5","8","2","7","6","3","1") = "7"
    & skf18("5","8","2","7","6","4","1") = "7"
    & skf18("5","8","2","7","6","5","1") = "7"
    & skf18("5","8","2","7","6","6","1") = "7"
    & skf18("5","8","2","7","6","7","1") = "7"
    & skf18("5","8","2","7","6","8","1") = "7"
    & skf18("5","8","2","7","6","9","1") = "8"
    & skf18("5","8","2","7","6","10","1") = "9"
    & skf18("5","8","2","7","7","1","1") = "7"
    & skf18("5","8","2","7","7","2","1") = "7"
    & skf18("5","8","2","7","7","3","1") = "7"
    & skf18("5","8","2","7","7","4","1") = "7"
    & skf18("5","8","2","7","7","5","1") = "7"
    & skf18("5","8","2","7","7","6","1") = "7"
    & skf18("5","8","2","7","7","7","1") = "7"
    & skf18("5","8","2","7","7","8","1") = "7"
    & skf18("5","8","2","7","7","9","1") = "8"
    & skf18("5","8","2","7","7","10","1") = "9"
    & skf18("5","8","2","7","8","1","1") = "7"
    & skf18("5","8","2","7","8","2","1") = "7"
    & skf18("5","8","2","7","8","3","1") = "7"
    & skf18("5","8","2","7","8","4","1") = "7"
    & skf18("5","8","2","7","8","5","1") = "7"
    & skf18("5","8","2","7","8","6","1") = "7"
    & skf18("5","8","2","7","8","7","1") = "7"
    & skf18("5","8","2","7","8","8","1") = "7"
    & skf18("5","8","2","7","8","9","1") = "8"
    & skf18("5","8","2","7","8","10","1") = "9"
    & skf18("5","8","2","7","9","1","1") = "8"
    & skf18("5","8","2","7","9","2","1") = "8"
    & skf18("5","8","2","7","9","3","1") = "8"
    & skf18("5","8","2","7","9","4","1") = "8"
    & skf18("5","8","2","7","9","5","1") = "8"
    & skf18("5","8","2","7","9","6","1") = "8"
    & skf18("5","8","2","7","9","7","1") = "8"
    & skf18("5","8","2","7","9","8","1") = "8"
    & skf18("5","8","2","7","9","9","1") = "8"
    & skf18("5","8","2","7","9","10","1") = "9"
    & skf18("5","8","2","7","10","1","1") = "9"
    & skf18("5","8","2","7","10","2","1") = "9"
    & skf18("5","8","2","7","10","3","1") = "9"
    & skf18("5","8","2","7","10","4","1") = "9"
    & skf18("5","8","2","7","10","5","1") = "9"
    & skf18("5","8","2","7","10","6","1") = "9"
    & skf18("5","8","2","7","10","7","1") = "9"
    & skf18("5","8","2","7","10","8","1") = "9"
    & skf18("5","8","2","7","10","9","1") = "9"
    & skf18("5","8","2","7","10","10","1") = "9"
    & skf18("5","8","2","8","1","1","1") = "7"
    & skf18("5","8","2","8","1","2","1") = "7"
    & skf18("5","8","2","8","1","3","1") = "7"
    & skf18("5","8","2","8","1","4","1") = "7"
    & skf18("5","8","2","8","1","5","1") = "7"
    & skf18("5","8","2","8","1","6","1") = "7"
    & skf18("5","8","2","8","1","7","1") = "7"
    & skf18("5","8","2","8","1","8","1") = "7"
    & skf18("5","8","2","8","1","9","1") = "8"
    & skf18("5","8","2","8","1","10","1") = "9"
    & skf18("5","8","2","8","2","1","1") = "7"
    & skf18("5","8","2","8","2","2","1") = "7"
    & skf18("5","8","2","8","2","3","1") = "7"
    & skf18("5","8","2","8","2","4","1") = "7"
    & skf18("5","8","2","8","2","5","1") = "7"
    & skf18("5","8","2","8","2","6","1") = "7"
    & skf18("5","8","2","8","2","7","1") = "7"
    & skf18("5","8","2","8","2","8","1") = "7"
    & skf18("5","8","2","8","2","9","1") = "8"
    & skf18("5","8","2","8","2","10","1") = "9"
    & skf18("5","8","2","8","3","1","1") = "7"
    & skf18("5","8","2","8","3","2","1") = "7"
    & skf18("5","8","2","8","3","3","1") = "7"
    & skf18("5","8","2","8","3","4","1") = "7"
    & skf18("5","8","2","8","3","5","1") = "7"
    & skf18("5","8","2","8","3","6","1") = "7"
    & skf18("5","8","2","8","3","7","1") = "7"
    & skf18("5","8","2","8","3","8","1") = "7"
    & skf18("5","8","2","8","3","9","1") = "8"
    & skf18("5","8","2","8","3","10","1") = "9"
    & skf18("5","8","2","8","4","1","1") = "7"
    & skf18("5","8","2","8","4","2","1") = "7"
    & skf18("5","8","2","8","4","3","1") = "7"
    & skf18("5","8","2","8","4","4","1") = "7"
    & skf18("5","8","2","8","4","5","1") = "7"
    & skf18("5","8","2","8","4","6","1") = "7"
    & skf18("5","8","2","8","4","7","1") = "7"
    & skf18("5","8","2","8","4","8","1") = "7"
    & skf18("5","8","2","8","4","9","1") = "8"
    & skf18("5","8","2","8","4","10","1") = "9"
    & skf18("5","8","2","8","5","1","1") = "7"
    & skf18("5","8","2","8","5","2","1") = "7"
    & skf18("5","8","2","8","5","3","1") = "7"
    & skf18("5","8","2","8","5","4","1") = "7"
    & skf18("5","8","2","8","5","5","1") = "7"
    & skf18("5","8","2","8","5","6","1") = "7"
    & skf18("5","8","2","8","5","7","1") = "7"
    & skf18("5","8","2","8","5","8","1") = "7"
    & skf18("5","8","2","8","5","9","1") = "8"
    & skf18("5","8","2","8","5","10","1") = "9"
    & skf18("5","8","2","8","6","1","1") = "7"
    & skf18("5","8","2","8","6","2","1") = "7"
    & skf18("5","8","2","8","6","3","1") = "7"
    & skf18("5","8","2","8","6","4","1") = "7"
    & skf18("5","8","2","8","6","5","1") = "7"
    & skf18("5","8","2","8","6","6","1") = "7"
    & skf18("5","8","2","8","6","7","1") = "7"
    & skf18("5","8","2","8","6","8","1") = "7"
    & skf18("5","8","2","8","6","9","1") = "8"
    & skf18("5","8","2","8","6","10","1") = "9"
    & skf18("5","8","2","8","7","1","1") = "7"
    & skf18("5","8","2","8","7","2","1") = "7"
    & skf18("5","8","2","8","7","3","1") = "7"
    & skf18("5","8","2","8","7","4","1") = "7"
    & skf18("5","8","2","8","7","5","1") = "7"
    & skf18("5","8","2","8","7","6","1") = "7"
    & skf18("5","8","2","8","7","7","1") = "7"
    & skf18("5","8","2","8","7","8","1") = "7"
    & skf18("5","8","2","8","7","9","1") = "8"
    & skf18("5","8","2","8","7","10","1") = "9"
    & skf18("5","8","2","8","8","1","1") = "7"
    & skf18("5","8","2","8","8","2","1") = "7"
    & skf18("5","8","2","8","8","3","1") = "7"
    & skf18("5","8","2","8","8","4","1") = "7"
    & skf18("5","8","2","8","8","5","1") = "7"
    & skf18("5","8","2","8","8","6","1") = "7"
    & skf18("5","8","2","8","8","7","1") = "7"
    & skf18("5","8","2","8","8","8","1") = "7"
    & skf18("5","8","2","8","8","9","1") = "8"
    & skf18("5","8","2","8","8","10","1") = "9"
    & skf18("5","8","2","8","9","1","1") = "8"
    & skf18("5","8","2","8","9","2","1") = "8"
    & skf18("5","8","2","8","9","3","1") = "8"
    & skf18("5","8","2","8","9","4","1") = "8"
    & skf18("5","8","2","8","9","5","1") = "8"
    & skf18("5","8","2","8","9","6","1") = "8"
    & skf18("5","8","2","8","9","7","1") = "8"
    & skf18("5","8","2","8","9","8","1") = "8"
    & skf18("5","8","2","8","9","9","1") = "8"
    & skf18("5","8","2","8","9","10","1") = "9"
    & skf18("5","8","2","8","10","1","1") = "9"
    & skf18("5","8","2","8","10","2","1") = "9"
    & skf18("5","8","2","8","10","3","1") = "9"
    & skf18("5","8","2","8","10","4","1") = "9"
    & skf18("5","8","2","8","10","5","1") = "9"
    & skf18("5","8","2","8","10","6","1") = "9"
    & skf18("5","8","2","8","10","7","1") = "9"
    & skf18("5","8","2","8","10","8","1") = "9"
    & skf18("5","8","2","8","10","9","1") = "9"
    & skf18("5","8","2","8","10","10","1") = "9"
    & skf18("5","8","2","9","1","1","1") = "8"
    & skf18("5","8","2","9","1","2","1") = "8"
    & skf18("5","8","2","9","1","3","1") = "8"
    & skf18("5","8","2","9","1","4","1") = "8"
    & skf18("5","8","2","9","1","5","1") = "8"
    & skf18("5","8","2","9","1","6","1") = "8"
    & skf18("5","8","2","9","1","7","1") = "8"
    & skf18("5","8","2","9","1","8","1") = "8"
    & skf18("5","8","2","9","1","9","1") = "8"
    & skf18("5","8","2","9","1","10","1") = "9"
    & skf18("5","8","2","9","2","1","1") = "8"
    & skf18("5","8","2","9","2","2","1") = "8"
    & skf18("5","8","2","9","2","3","1") = "8"
    & skf18("5","8","2","9","2","4","1") = "8"
    & skf18("5","8","2","9","2","5","1") = "8"
    & skf18("5","8","2","9","2","6","1") = "8"
    & skf18("5","8","2","9","2","7","1") = "8"
    & skf18("5","8","2","9","2","8","1") = "8"
    & skf18("5","8","2","9","2","9","1") = "8"
    & skf18("5","8","2","9","2","10","1") = "9"
    & skf18("5","8","2","9","3","1","1") = "8"
    & skf18("5","8","2","9","3","2","1") = "8"
    & skf18("5","8","2","9","3","3","1") = "8"
    & skf18("5","8","2","9","3","4","1") = "8"
    & skf18("5","8","2","9","3","5","1") = "8"
    & skf18("5","8","2","9","3","6","1") = "8"
    & skf18("5","8","2","9","3","7","1") = "8"
    & skf18("5","8","2","9","3","8","1") = "8"
    & skf18("5","8","2","9","3","9","1") = "8"
    & skf18("5","8","2","9","3","10","1") = "9"
    & skf18("5","8","2","9","4","1","1") = "8"
    & skf18("5","8","2","9","4","2","1") = "8"
    & skf18("5","8","2","9","4","3","1") = "8"
    & skf18("5","8","2","9","4","4","1") = "8"
    & skf18("5","8","2","9","4","5","1") = "8"
    & skf18("5","8","2","9","4","6","1") = "8"
    & skf18("5","8","2","9","4","7","1") = "8"
    & skf18("5","8","2","9","4","8","1") = "8"
    & skf18("5","8","2","9","4","9","1") = "8"
    & skf18("5","8","2","9","4","10","1") = "9"
    & skf18("5","8","2","9","5","1","1") = "8"
    & skf18("5","8","2","9","5","2","1") = "8"
    & skf18("5","8","2","9","5","3","1") = "8"
    & skf18("5","8","2","9","5","4","1") = "8"
    & skf18("5","8","2","9","5","5","1") = "8"
    & skf18("5","8","2","9","5","6","1") = "8"
    & skf18("5","8","2","9","5","7","1") = "8"
    & skf18("5","8","2","9","5","8","1") = "8"
    & skf18("5","8","2","9","5","9","1") = "8"
    & skf18("5","8","2","9","5","10","1") = "9"
    & skf18("5","8","2","9","6","1","1") = "8"
    & skf18("5","8","2","9","6","2","1") = "8"
    & skf18("5","8","2","9","6","3","1") = "8"
    & skf18("5","8","2","9","6","4","1") = "8"
    & skf18("5","8","2","9","6","5","1") = "8"
    & skf18("5","8","2","9","6","6","1") = "8"
    & skf18("5","8","2","9","6","7","1") = "8"
    & skf18("5","8","2","9","6","8","1") = "8"
    & skf18("5","8","2","9","6","9","1") = "8"
    & skf18("5","8","2","9","6","10","1") = "9"
    & skf18("5","8","2","9","7","1","1") = "8"
    & skf18("5","8","2","9","7","2","1") = "8"
    & skf18("5","8","2","9","7","3","1") = "8"
    & skf18("5","8","2","9","7","4","1") = "8"
    & skf18("5","8","2","9","7","5","1") = "8"
    & skf18("5","8","2","9","7","6","1") = "8"
    & skf18("5","8","2","9","7","7","1") = "8"
    & skf18("5","8","2","9","7","8","1") = "8"
    & skf18("5","8","2","9","7","9","1") = "8"
    & skf18("5","8","2","9","7","10","1") = "9"
    & skf18("5","8","2","9","8","1","1") = "8"
    & skf18("5","8","2","9","8","2","1") = "8"
    & skf18("5","8","2","9","8","3","1") = "8"
    & skf18("5","8","2","9","8","4","1") = "8"
    & skf18("5","8","2","9","8","5","1") = "8"
    & skf18("5","8","2","9","8","6","1") = "8"
    & skf18("5","8","2","9","8","7","1") = "8"
    & skf18("5","8","2","9","8","8","1") = "8"
    & skf18("5","8","2","9","8","9","1") = "8"
    & skf18("5","8","2","9","8","10","1") = "9"
    & skf18("5","8","2","9","9","1","1") = "8"
    & skf18("5","8","2","9","9","2","1") = "8"
    & skf18("5","8","2","9","9","3","1") = "8"
    & skf18("5","8","2","9","9","4","1") = "8"
    & skf18("5","8","2","9","9","5","1") = "8"
    & skf18("5","8","2","9","9","6","1") = "8"
    & skf18("5","8","2","9","9","7","1") = "8"
    & skf18("5","8","2","9","9","8","1") = "8"
    & skf18("5","8","2","9","9","9","1") = "8"
    & skf18("5","8","2","9","9","10","1") = "9"
    & skf18("5","8","2","9","10","1","1") = "9"
    & skf18("5","8","2","9","10","2","1") = "9"
    & skf18("5","8","2","9","10","3","1") = "9"
    & skf18("5","8","2","9","10","4","1") = "9"
    & skf18("5","8","2","9","10","5","1") = "9"
    & skf18("5","8","2","9","10","6","1") = "9"
    & skf18("5","8","2","9","10","7","1") = "9"
    & skf18("5","8","2","9","10","8","1") = "9"
    & skf18("5","8","2","9","10","9","1") = "9"
    & skf18("5","8","2","9","10","10","1") = "9"
    & skf18("5","8","2","10","1","1","1") = "9"
    & skf18("5","8","2","10","1","2","1") = "9"
    & skf18("5","8","2","10","1","3","1") = "9"
    & skf18("5","8","2","10","1","4","1") = "9"
    & skf18("5","8","2","10","1","5","1") = "9"
    & skf18("5","8","2","10","1","6","1") = "9"
    & skf18("5","8","2","10","1","7","1") = "9"
    & skf18("5","8","2","10","1","8","1") = "9"
    & skf18("5","8","2","10","1","9","1") = "9"
    & skf18("5","8","2","10","1","10","1") = "9"
    & skf18("5","8","2","10","2","1","1") = "9"
    & skf18("5","8","2","10","2","2","1") = "9"
    & skf18("5","8","2","10","2","3","1") = "9"
    & skf18("5","8","2","10","2","4","1") = "9"
    & skf18("5","8","2","10","2","5","1") = "9"
    & skf18("5","8","2","10","2","6","1") = "9"
    & skf18("5","8","2","10","2","7","1") = "9"
    & skf18("5","8","2","10","2","8","1") = "9"
    & skf18("5","8","2","10","2","9","1") = "9"
    & skf18("5","8","2","10","2","10","1") = "9"
    & skf18("5","8","2","10","3","1","1") = "9"
    & skf18("5","8","2","10","3","2","1") = "9"
    & skf18("5","8","2","10","3","3","1") = "9"
    & skf18("5","8","2","10","3","4","1") = "9"
    & skf18("5","8","2","10","3","5","1") = "9"
    & skf18("5","8","2","10","3","6","1") = "9"
    & skf18("5","8","2","10","3","7","1") = "9"
    & skf18("5","8","2","10","3","8","1") = "9"
    & skf18("5","8","2","10","3","9","1") = "9"
    & skf18("5","8","2","10","3","10","1") = "9"
    & skf18("5","8","2","10","4","1","1") = "9"
    & skf18("5","8","2","10","4","2","1") = "9"
    & skf18("5","8","2","10","4","3","1") = "9"
    & skf18("5","8","2","10","4","4","1") = "9"
    & skf18("5","8","2","10","4","5","1") = "9"
    & skf18("5","8","2","10","4","6","1") = "9"
    & skf18("5","8","2","10","4","7","1") = "9"
    & skf18("5","8","2","10","4","8","1") = "9"
    & skf18("5","8","2","10","4","9","1") = "9"
    & skf18("5","8","2","10","4","10","1") = "9"
    & skf18("5","8","2","10","5","1","1") = "9"
    & skf18("5","8","2","10","5","2","1") = "9"
    & skf18("5","8","2","10","5","3","1") = "9"
    & skf18("5","8","2","10","5","4","1") = "9"
    & skf18("5","8","2","10","5","5","1") = "9"
    & skf18("5","8","2","10","5","6","1") = "9"
    & skf18("5","8","2","10","5","7","1") = "9"
    & skf18("5","8","2","10","5","8","1") = "9"
    & skf18("5","8","2","10","5","9","1") = "9"
    & skf18("5","8","2","10","5","10","1") = "9"
    & skf18("5","8","2","10","6","1","1") = "9"
    & skf18("5","8","2","10","6","2","1") = "9"
    & skf18("5","8","2","10","6","3","1") = "9"
    & skf18("5","8","2","10","6","4","1") = "9"
    & skf18("5","8","2","10","6","5","1") = "9"
    & skf18("5","8","2","10","6","6","1") = "9"
    & skf18("5","8","2","10","6","7","1") = "9"
    & skf18("5","8","2","10","6","8","1") = "9"
    & skf18("5","8","2","10","6","9","1") = "9"
    & skf18("5","8","2","10","6","10","1") = "9"
    & skf18("5","8","2","10","7","1","1") = "9"
    & skf18("5","8","2","10","7","2","1") = "9"
    & skf18("5","8","2","10","7","3","1") = "9"
    & skf18("5","8","2","10","7","4","1") = "9"
    & skf18("5","8","2","10","7","5","1") = "9"
    & skf18("5","8","2","10","7","6","1") = "9"
    & skf18("5","8","2","10","7","7","1") = "9"
    & skf18("5","8","2","10","7","8","1") = "9"
    & skf18("5","8","2","10","7","9","1") = "9"
    & skf18("5","8","2","10","7","10","1") = "9"
    & skf18("5","8","2","10","8","1","1") = "9"
    & skf18("5","8","2","10","8","2","1") = "9"
    & skf18("5","8","2","10","8","3","1") = "9"
    & skf18("5","8","2","10","8","4","1") = "9"
    & skf18("5","8","2","10","8","5","1") = "9"
    & skf18("5","8","2","10","8","6","1") = "9"
    & skf18("5","8","2","10","8","7","1") = "9"
    & skf18("5","8","2","10","8","8","1") = "9"
    & skf18("5","8","2","10","8","9","1") = "9"
    & skf18("5","8","2","10","8","10","1") = "9"
    & skf18("5","8","2","10","9","1","1") = "9"
    & skf18("5","8","2","10","9","2","1") = "9"
    & skf18("5","8","2","10","9","3","1") = "9"
    & skf18("5","8","2","10","9","4","1") = "9"
    & skf18("5","8","2","10","9","5","1") = "9"
    & skf18("5","8","2","10","9","6","1") = "9"
    & skf18("5","8","2","10","9","7","1") = "9"
    & skf18("5","8","2","10","9","8","1") = "9"
    & skf18("5","8","2","10","9","9","1") = "9"
    & skf18("5","8","2","10","9","10","1") = "9"
    & skf18("5","8","2","10","10","1","1") = "9"
    & skf18("5","8","2","10","10","2","1") = "9"
    & skf18("5","8","2","10","10","3","1") = "9"
    & skf18("5","8","2","10","10","4","1") = "9"
    & skf18("5","8","2","10","10","5","1") = "9"
    & skf18("5","8","2","10","10","6","1") = "9"
    & skf18("5","8","2","10","10","7","1") = "9"
    & skf18("5","8","2","10","10","8","1") = "9"
    & skf18("5","8","2","10","10","9","1") = "9"
    & skf18("5","8","2","10","10","10","1") = "9"
    & skf18("5","8","3","1","1","1","1") = "7"
    & skf18("5","8","3","1","1","2","1") = "7"
    & skf18("5","8","3","1","1","3","1") = "7"
    & skf18("5","8","3","1","1","4","1") = "7"
    & skf18("5","8","3","1","1","5","1") = "7"
    & skf18("5","8","3","1","1","6","1") = "7"
    & skf18("5","8","3","1","1","7","1") = "7"
    & skf18("5","8","3","1","1","8","1") = "7"
    & skf18("5","8","3","1","1","9","1") = "8"
    & skf18("5","8","3","1","1","10","1") = "9"
    & skf18("5","8","3","1","2","1","1") = "7"
    & skf18("5","8","3","1","2","2","1") = "7"
    & skf18("5","8","3","1","2","3","1") = "7"
    & skf18("5","8","3","1","2","4","1") = "7"
    & skf18("5","8","3","1","2","5","1") = "7"
    & skf18("5","8","3","1","2","6","1") = "7"
    & skf18("5","8","3","1","2","7","1") = "7"
    & skf18("5","8","3","1","2","8","1") = "7"
    & skf18("5","8","3","1","2","9","1") = "8"
    & skf18("5","8","3","1","2","10","1") = "9"
    & skf18("5","8","3","1","3","1","1") = "7"
    & skf18("5","8","3","1","3","2","1") = "7"
    & skf18("5","8","3","1","3","3","1") = "7"
    & skf18("5","8","3","1","3","4","1") = "7"
    & skf18("5","8","3","1","3","5","1") = "7"
    & skf18("5","8","3","1","3","6","1") = "7"
    & skf18("5","8","3","1","3","7","1") = "7"
    & skf18("5","8","3","1","3","8","1") = "7"
    & skf18("5","8","3","1","3","9","1") = "8"
    & skf18("5","8","3","1","3","10","1") = "9"
    & skf18("5","8","3","1","4","1","1") = "7"
    & skf18("5","8","3","1","4","2","1") = "7"
    & skf18("5","8","3","1","4","3","1") = "7"
    & skf18("5","8","3","1","4","4","1") = "7"
    & skf18("5","8","3","1","4","5","1") = "7"
    & skf18("5","8","3","1","4","6","1") = "7"
    & skf18("5","8","3","1","4","7","1") = "7"
    & skf18("5","8","3","1","4","8","1") = "7"
    & skf18("5","8","3","1","4","9","1") = "8"
    & skf18("5","8","3","1","4","10","1") = "9"
    & skf18("5","8","3","1","5","1","1") = "7"
    & skf18("5","8","3","1","5","2","1") = "7"
    & skf18("5","8","3","1","5","3","1") = "7"
    & skf18("5","8","3","1","5","4","1") = "7"
    & skf18("5","8","3","1","5","5","1") = "7"
    & skf18("5","8","3","1","5","6","1") = "7"
    & skf18("5","8","3","1","5","7","1") = "7"
    & skf18("5","8","3","1","5","8","1") = "7"
    & skf18("5","8","3","1","5","9","1") = "8"
    & skf18("5","8","3","1","5","10","1") = "9"
    & skf18("5","8","3","1","6","1","1") = "7"
    & skf18("5","8","3","1","6","2","1") = "7"
    & skf18("5","8","3","1","6","3","1") = "7"
    & skf18("5","8","3","1","6","4","1") = "7"
    & skf18("5","8","3","1","6","5","1") = "7"
    & skf18("5","8","3","1","6","6","1") = "7"
    & skf18("5","8","3","1","6","7","1") = "7"
    & skf18("5","8","3","1","6","8","1") = "7"
    & skf18("5","8","3","1","6","9","1") = "8"
    & skf18("5","8","3","1","6","10","1") = "9"
    & skf18("5","8","3","1","7","1","1") = "7"
    & skf18("5","8","3","1","7","2","1") = "7"
    & skf18("5","8","3","1","7","3","1") = "7"
    & skf18("5","8","3","1","7","4","1") = "7"
    & skf18("5","8","3","1","7","5","1") = "7"
    & skf18("5","8","3","1","7","6","1") = "7"
    & skf18("5","8","3","1","7","7","1") = "7"
    & skf18("5","8","3","1","7","8","1") = "7"
    & skf18("5","8","3","1","7","9","1") = "8"
    & skf18("5","8","3","1","7","10","1") = "9"
    & skf18("5","8","3","1","8","1","1") = "7"
    & skf18("5","8","3","1","8","2","1") = "7"
    & skf18("5","8","3","1","8","3","1") = "7"
    & skf18("5","8","3","1","8","4","1") = "7"
    & skf18("5","8","3","1","8","5","1") = "7"
    & skf18("5","8","3","1","8","6","1") = "7"
    & skf18("5","8","3","1","8","7","1") = "7"
    & skf18("5","8","3","1","8","8","1") = "7"
    & skf18("5","8","3","1","8","9","1") = "8"
    & skf18("5","8","3","1","8","10","1") = "9"
    & skf18("5","8","3","1","9","1","1") = "8"
    & skf18("5","8","3","1","9","2","1") = "8"
    & skf18("5","8","3","1","9","3","1") = "8"
    & skf18("5","8","3","1","9","4","1") = "8"
    & skf18("5","8","3","1","9","5","1") = "8"
    & skf18("5","8","3","1","9","6","1") = "8"
    & skf18("5","8","3","1","9","7","1") = "8"
    & skf18("5","8","3","1","9","8","1") = "8"
    & skf18("5","8","3","1","9","9","1") = "8"
    & skf18("5","8","3","1","9","10","1") = "9"
    & skf18("5","8","3","1","10","1","1") = "9"
    & skf18("5","8","3","1","10","2","1") = "9"
    & skf18("5","8","3","1","10","3","1") = "9"
    & skf18("5","8","3","1","10","4","1") = "9"
    & skf18("5","8","3","1","10","5","1") = "9"
    & skf18("5","8","3","1","10","6","1") = "9"
    & skf18("5","8","3","1","10","7","1") = "9"
    & skf18("5","8","3","1","10","8","1") = "9"
    & skf18("5","8","3","1","10","9","1") = "9"
    & skf18("5","8","3","1","10","10","1") = "9"
    & skf18("5","8","3","2","1","1","1") = "7"
    & skf18("5","8","3","2","1","2","1") = "7"
    & skf18("5","8","3","2","1","3","1") = "7"
    & skf18("5","8","3","2","1","4","1") = "7"
    & skf18("5","8","3","2","1","5","1") = "7"
    & skf18("5","8","3","2","1","6","1") = "7"
    & skf18("5","8","3","2","1","7","1") = "7"
    & skf18("5","8","3","2","1","8","1") = "7"
    & skf18("5","8","3","2","1","9","1") = "8"
    & skf18("5","8","3","2","1","10","1") = "9"
    & skf18("5","8","3","2","2","1","1") = "7"
    & skf18("5","8","3","2","2","2","1") = "7"
    & skf18("5","8","3","2","2","3","1") = "7"
    & skf18("5","8","3","2","2","4","1") = "7"
    & skf18("5","8","3","2","2","5","1") = "7"
    & skf18("5","8","3","2","2","6","1") = "7"
    & skf18("5","8","3","2","2","7","1") = "7"
    & skf18("5","8","3","2","2","8","1") = "7"
    & skf18("5","8","3","2","2","9","1") = "8"
    & skf18("5","8","3","2","2","10","1") = "9"
    & skf18("5","8","3","2","3","1","1") = "7"
    & skf18("5","8","3","2","3","2","1") = "7"
    & skf18("5","8","3","2","3","3","1") = "7"
    & skf18("5","8","3","2","3","4","1") = "7"
    & skf18("5","8","3","2","3","5","1") = "7"
    & skf18("5","8","3","2","3","6","1") = "7"
    & skf18("5","8","3","2","3","7","1") = "7"
    & skf18("5","8","3","2","3","8","1") = "7"
    & skf18("5","8","3","2","3","9","1") = "8"
    & skf18("5","8","3","2","3","10","1") = "9"
    & skf18("5","8","3","2","4","1","1") = "7"
    & skf18("5","8","3","2","4","2","1") = "7"
    & skf18("5","8","3","2","4","3","1") = "7"
    & skf18("5","8","3","2","4","4","1") = "7"
    & skf18("5","8","3","2","4","5","1") = "7"
    & skf18("5","8","3","2","4","6","1") = "7"
    & skf18("5","8","3","2","4","7","1") = "7"
    & skf18("5","8","3","2","4","8","1") = "7"
    & skf18("5","8","3","2","4","9","1") = "8"
    & skf18("5","8","3","2","4","10","1") = "9"
    & skf18("5","8","3","2","5","1","1") = "7"
    & skf18("5","8","3","2","5","2","1") = "7"
    & skf18("5","8","3","2","5","3","1") = "7"
    & skf18("5","8","3","2","5","4","1") = "7"
    & skf18("5","8","3","2","5","5","1") = "7"
    & skf18("5","8","3","2","5","6","1") = "7"
    & skf18("5","8","3","2","5","7","1") = "7"
    & skf18("5","8","3","2","5","8","1") = "7"
    & skf18("5","8","3","2","5","9","1") = "8"
    & skf18("5","8","3","2","5","10","1") = "9"
    & skf18("5","8","3","2","6","1","1") = "7"
    & skf18("5","8","3","2","6","2","1") = "7"
    & skf18("5","8","3","2","6","3","1") = "7"
    & skf18("5","8","3","2","6","4","1") = "7"
    & skf18("5","8","3","2","6","5","1") = "7"
    & skf18("5","8","3","2","6","6","1") = "7"
    & skf18("5","8","3","2","6","7","1") = "7"
    & skf18("5","8","3","2","6","8","1") = "7"
    & skf18("5","8","3","2","6","9","1") = "8"
    & skf18("5","8","3","2","6","10","1") = "9"
    & skf18("5","8","3","2","7","1","1") = "7"
    & skf18("5","8","3","2","7","2","1") = "7"
    & skf18("5","8","3","2","7","3","1") = "7"
    & skf18("5","8","3","2","7","4","1") = "7"
    & skf18("5","8","3","2","7","5","1") = "7"
    & skf18("5","8","3","2","7","6","1") = "7"
    & skf18("5","8","3","2","7","7","1") = "7"
    & skf18("5","8","3","2","7","8","1") = "7"
    & skf18("5","8","3","2","7","9","1") = "8"
    & skf18("5","8","3","2","7","10","1") = "9"
    & skf18("5","8","3","2","8","1","1") = "7"
    & skf18("5","8","3","2","8","2","1") = "7"
    & skf18("5","8","3","2","8","3","1") = "7"
    & skf18("5","8","3","2","8","4","1") = "7"
    & skf18("5","8","3","2","8","5","1") = "7"
    & skf18("5","8","3","2","8","6","1") = "7"
    & skf18("5","8","3","2","8","7","1") = "7"
    & skf18("5","8","3","2","8","8","1") = "7"
    & skf18("5","8","3","2","8","9","1") = "8"
    & skf18("5","8","3","2","8","10","1") = "9"
    & skf18("5","8","3","2","9","1","1") = "8"
    & skf18("5","8","3","2","9","2","1") = "8"
    & skf18("5","8","3","2","9","3","1") = "8"
    & skf18("5","8","3","2","9","4","1") = "8"
    & skf18("5","8","3","2","9","5","1") = "8"
    & skf18("5","8","3","2","9","6","1") = "8"
    & skf18("5","8","3","2","9","7","1") = "8"
    & skf18("5","8","3","2","9","8","1") = "8"
    & skf18("5","8","3","2","9","9","1") = "8"
    & skf18("5","8","3","2","9","10","1") = "9"
    & skf18("5","8","3","2","10","1","1") = "9"
    & skf18("5","8","3","2","10","2","1") = "9"
    & skf18("5","8","3","2","10","3","1") = "9"
    & skf18("5","8","3","2","10","4","1") = "9"
    & skf18("5","8","3","2","10","5","1") = "9"
    & skf18("5","8","3","2","10","6","1") = "9"
    & skf18("5","8","3","2","10","7","1") = "9"
    & skf18("5","8","3","2","10","8","1") = "9"
    & skf18("5","8","3","2","10","9","1") = "9"
    & skf18("5","8","3","2","10","10","1") = "9"
    & skf18("5","8","3","3","1","1","1") = "7"
    & skf18("5","8","3","3","1","2","1") = "7"
    & skf18("5","8","3","3","1","3","1") = "7"
    & skf18("5","8","3","3","1","4","1") = "7"
    & skf18("5","8","3","3","1","5","1") = "7"
    & skf18("5","8","3","3","1","6","1") = "7"
    & skf18("5","8","3","3","1","7","1") = "7"
    & skf18("5","8","3","3","1","8","1") = "7"
    & skf18("5","8","3","3","1","9","1") = "8"
    & skf18("5","8","3","3","1","10","1") = "9"
    & skf18("5","8","3","3","2","1","1") = "7"
    & skf18("5","8","3","3","2","2","1") = "7"
    & skf18("5","8","3","3","2","3","1") = "7"
    & skf18("5","8","3","3","2","4","1") = "7"
    & skf18("5","8","3","3","2","5","1") = "7"
    & skf18("5","8","3","3","2","6","1") = "7"
    & skf18("5","8","3","3","2","7","1") = "7"
    & skf18("5","8","3","3","2","8","1") = "7"
    & skf18("5","8","3","3","2","9","1") = "8"
    & skf18("5","8","3","3","2","10","1") = "9"
    & skf18("5","8","3","3","3","1","1") = "7"
    & skf18("5","8","3","3","3","2","1") = "7"
    & skf18("5","8","3","3","3","3","1") = "7"
    & skf18("5","8","3","3","3","4","1") = "7"
    & skf18("5","8","3","3","3","5","1") = "7"
    & skf18("5","8","3","3","3","6","1") = "7"
    & skf18("5","8","3","3","3","7","1") = "7"
    & skf18("5","8","3","3","3","8","1") = "7"
    & skf18("5","8","3","3","3","9","1") = "8"
    & skf18("5","8","3","3","3","10","1") = "9"
    & skf18("5","8","3","3","4","1","1") = "7"
    & skf18("5","8","3","3","4","2","1") = "7"
    & skf18("5","8","3","3","4","3","1") = "7"
    & skf18("5","8","3","3","4","4","1") = "7"
    & skf18("5","8","3","3","4","5","1") = "7"
    & skf18("5","8","3","3","4","6","1") = "7"
    & skf18("5","8","3","3","4","7","1") = "7"
    & skf18("5","8","3","3","4","8","1") = "7"
    & skf18("5","8","3","3","4","9","1") = "8"
    & skf18("5","8","3","3","4","10","1") = "9"
    & skf18("5","8","3","3","5","1","1") = "7"
    & skf18("5","8","3","3","5","2","1") = "7"
    & skf18("5","8","3","3","5","3","1") = "7"
    & skf18("5","8","3","3","5","4","1") = "7"
    & skf18("5","8","3","3","5","5","1") = "7"
    & skf18("5","8","3","3","5","6","1") = "7"
    & skf18("5","8","3","3","5","7","1") = "7"
    & skf18("5","8","3","3","5","8","1") = "7"
    & skf18("5","8","3","3","5","9","1") = "8"
    & skf18("5","8","3","3","5","10","1") = "9"
    & skf18("5","8","3","3","6","1","1") = "7"
    & skf18("5","8","3","3","6","2","1") = "7"
    & skf18("5","8","3","3","6","3","1") = "7"
    & skf18("5","8","3","3","6","4","1") = "7"
    & skf18("5","8","3","3","6","5","1") = "7"
    & skf18("5","8","3","3","6","6","1") = "7"
    & skf18("5","8","3","3","6","7","1") = "7"
    & skf18("5","8","3","3","6","8","1") = "7"
    & skf18("5","8","3","3","6","9","1") = "8"
    & skf18("5","8","3","3","6","10","1") = "9"
    & skf18("5","8","3","3","7","1","1") = "7"
    & skf18("5","8","3","3","7","2","1") = "7"
    & skf18("5","8","3","3","7","3","1") = "7"
    & skf18("5","8","3","3","7","4","1") = "7"
    & skf18("5","8","3","3","7","5","1") = "7"
    & skf18("5","8","3","3","7","6","1") = "7"
    & skf18("5","8","3","3","7","7","1") = "7"
    & skf18("5","8","3","3","7","8","1") = "7"
    & skf18("5","8","3","3","7","9","1") = "8"
    & skf18("5","8","3","3","7","10","1") = "9"
    & skf18("5","8","3","3","8","1","1") = "7"
    & skf18("5","8","3","3","8","2","1") = "7"
    & skf18("5","8","3","3","8","3","1") = "7"
    & skf18("5","8","3","3","8","4","1") = "7"
    & skf18("5","8","3","3","8","5","1") = "7"
    & skf18("5","8","3","3","8","6","1") = "7"
    & skf18("5","8","3","3","8","7","1") = "7"
    & skf18("5","8","3","3","8","8","1") = "7"
    & skf18("5","8","3","3","8","9","1") = "8"
    & skf18("5","8","3","3","8","10","1") = "9"
    & skf18("5","8","3","3","9","1","1") = "8"
    & skf18("5","8","3","3","9","2","1") = "8"
    & skf18("5","8","3","3","9","3","1") = "8"
    & skf18("5","8","3","3","9","4","1") = "8"
    & skf18("5","8","3","3","9","5","1") = "8"
    & skf18("5","8","3","3","9","6","1") = "8"
    & skf18("5","8","3","3","9","7","1") = "8"
    & skf18("5","8","3","3","9","8","1") = "8"
    & skf18("5","8","3","3","9","9","1") = "8"
    & skf18("5","8","3","3","9","10","1") = "9"
    & skf18("5","8","3","3","10","1","1") = "9"
    & skf18("5","8","3","3","10","2","1") = "9"
    & skf18("5","8","3","3","10","3","1") = "9"
    & skf18("5","8","3","3","10","4","1") = "9"
    & skf18("5","8","3","3","10","5","1") = "9"
    & skf18("5","8","3","3","10","6","1") = "9"
    & skf18("5","8","3","3","10","7","1") = "9"
    & skf18("5","8","3","3","10","8","1") = "9"
    & skf18("5","8","3","3","10","9","1") = "9"
    & skf18("5","8","3","3","10","10","1") = "9"
    & skf18("5","8","3","4","1","1","1") = "7"
    & skf18("5","8","3","4","1","2","1") = "7"
    & skf18("5","8","3","4","1","3","1") = "7"
    & skf18("5","8","3","4","1","4","1") = "7"
    & skf18("5","8","3","4","1","5","1") = "7"
    & skf18("5","8","3","4","1","6","1") = "7"
    & skf18("5","8","3","4","1","7","1") = "7"
    & skf18("5","8","3","4","1","8","1") = "7"
    & skf18("5","8","3","4","1","9","1") = "8"
    & skf18("5","8","3","4","1","10","1") = "9"
    & skf18("5","8","3","4","2","1","1") = "7"
    & skf18("5","8","3","4","2","2","1") = "7"
    & skf18("5","8","3","4","2","3","1") = "7"
    & skf18("5","8","3","4","2","4","1") = "7"
    & skf18("5","8","3","4","2","5","1") = "7"
    & skf18("5","8","3","4","2","6","1") = "7"
    & skf18("5","8","3","4","2","7","1") = "7"
    & skf18("5","8","3","4","2","8","1") = "7"
    & skf18("5","8","3","4","2","9","1") = "8"
    & skf18("5","8","3","4","2","10","1") = "9"
    & skf18("5","8","3","4","3","1","1") = "7"
    & skf18("5","8","3","4","3","2","1") = "7"
    & skf18("5","8","3","4","3","3","1") = "7"
    & skf18("5","8","3","4","3","4","1") = "7"
    & skf18("5","8","3","4","3","5","1") = "7"
    & skf18("5","8","3","4","3","6","1") = "7"
    & skf18("5","8","3","4","3","7","1") = "7"
    & skf18("5","8","3","4","3","8","1") = "7"
    & skf18("5","8","3","4","3","9","1") = "8"
    & skf18("5","8","3","4","3","10","1") = "9"
    & skf18("5","8","3","4","4","1","1") = "7"
    & skf18("5","8","3","4","4","2","1") = "7"
    & skf18("5","8","3","4","4","3","1") = "7"
    & skf18("5","8","3","4","4","4","1") = "7"
    & skf18("5","8","3","4","4","5","1") = "7"
    & skf18("5","8","3","4","4","6","1") = "7"
    & skf18("5","8","3","4","4","7","1") = "7"
    & skf18("5","8","3","4","4","8","1") = "7"
    & skf18("5","8","3","4","4","9","1") = "8"
    & skf18("5","8","3","4","4","10","1") = "9"
    & skf18("5","8","3","4","5","1","1") = "7"
    & skf18("5","8","3","4","5","2","1") = "7"
    & skf18("5","8","3","4","5","3","1") = "7"
    & skf18("5","8","3","4","5","4","1") = "7"
    & skf18("5","8","3","4","5","5","1") = "7"
    & skf18("5","8","3","4","5","6","1") = "7"
    & skf18("5","8","3","4","5","7","1") = "7"
    & skf18("5","8","3","4","5","8","1") = "7"
    & skf18("5","8","3","4","5","9","1") = "8"
    & skf18("5","8","3","4","5","10","1") = "9"
    & skf18("5","8","3","4","6","1","1") = "7"
    & skf18("5","8","3","4","6","2","1") = "7"
    & skf18("5","8","3","4","6","3","1") = "7"
    & skf18("5","8","3","4","6","4","1") = "7"
    & skf18("5","8","3","4","6","5","1") = "7"
    & skf18("5","8","3","4","6","6","1") = "7"
    & skf18("5","8","3","4","6","7","1") = "7"
    & skf18("5","8","3","4","6","8","1") = "7"
    & skf18("5","8","3","4","6","9","1") = "8"
    & skf18("5","8","3","4","6","10","1") = "9"
    & skf18("5","8","3","4","7","1","1") = "7"
    & skf18("5","8","3","4","7","2","1") = "7"
    & skf18("5","8","3","4","7","3","1") = "7"
    & skf18("5","8","3","4","7","4","1") = "7"
    & skf18("5","8","3","4","7","5","1") = "7"
    & skf18("5","8","3","4","7","6","1") = "7"
    & skf18("5","8","3","4","7","7","1") = "7"
    & skf18("5","8","3","4","7","8","1") = "7"
    & skf18("5","8","3","4","7","9","1") = "8"
    & skf18("5","8","3","4","7","10","1") = "9"
    & skf18("5","8","3","4","8","1","1") = "7"
    & skf18("5","8","3","4","8","2","1") = "7"
    & skf18("5","8","3","4","8","3","1") = "7"
    & skf18("5","8","3","4","8","4","1") = "7"
    & skf18("5","8","3","4","8","5","1") = "7"
    & skf18("5","8","3","4","8","6","1") = "7"
    & skf18("5","8","3","4","8","7","1") = "7"
    & skf18("5","8","3","4","8","8","1") = "7"
    & skf18("5","8","3","4","8","9","1") = "8"
    & skf18("5","8","3","4","8","10","1") = "9"
    & skf18("5","8","3","4","9","1","1") = "8"
    & skf18("5","8","3","4","9","2","1") = "8"
    & skf18("5","8","3","4","9","3","1") = "8"
    & skf18("5","8","3","4","9","4","1") = "8"
    & skf18("5","8","3","4","9","5","1") = "8"
    & skf18("5","8","3","4","9","6","1") = "8"
    & skf18("5","8","3","4","9","7","1") = "8"
    & skf18("5","8","3","4","9","8","1") = "8"
    & skf18("5","8","3","4","9","9","1") = "8"
    & skf18("5","8","3","4","9","10","1") = "9"
    & skf18("5","8","3","4","10","1","1") = "9"
    & skf18("5","8","3","4","10","2","1") = "9"
    & skf18("5","8","3","4","10","3","1") = "9"
    & skf18("5","8","3","4","10","4","1") = "9"
    & skf18("5","8","3","4","10","5","1") = "9"
    & skf18("5","8","3","4","10","6","1") = "9"
    & skf18("5","8","3","4","10","7","1") = "9"
    & skf18("5","8","3","4","10","8","1") = "9"
    & skf18("5","8","3","4","10","9","1") = "9"
    & skf18("5","8","3","4","10","10","1") = "9"
    & skf18("5","8","3","5","1","1","1") = "7"
    & skf18("5","8","3","5","1","2","1") = "7"
    & skf18("5","8","3","5","1","3","1") = "7"
    & skf18("5","8","3","5","1","4","1") = "7"
    & skf18("5","8","3","5","1","5","1") = "7"
    & skf18("5","8","3","5","1","6","1") = "7"
    & skf18("5","8","3","5","1","7","1") = "7"
    & skf18("5","8","3","5","1","8","1") = "7"
    & skf18("5","8","3","5","1","9","1") = "8"
    & skf18("5","8","3","5","1","10","1") = "9"
    & skf18("5","8","3","5","2","1","1") = "7"
    & skf18("5","8","3","5","2","2","1") = "7"
    & skf18("5","8","3","5","2","3","1") = "7"
    & skf18("5","8","3","5","2","4","1") = "7"
    & skf18("5","8","3","5","2","5","1") = "7"
    & skf18("5","8","3","5","2","6","1") = "7"
    & skf18("5","8","3","5","2","7","1") = "7"
    & skf18("5","8","3","5","2","8","1") = "7"
    & skf18("5","8","3","5","2","9","1") = "8"
    & skf18("5","8","3","5","2","10","1") = "9"
    & skf18("5","8","3","5","3","1","1") = "7"
    & skf18("5","8","3","5","3","2","1") = "7"
    & skf18("5","8","3","5","3","3","1") = "7"
    & skf18("5","8","3","5","3","4","1") = "7"
    & skf18("5","8","3","5","3","5","1") = "7"
    & skf18("5","8","3","5","3","6","1") = "7"
    & skf18("5","8","3","5","3","7","1") = "7"
    & skf18("5","8","3","5","3","8","1") = "7"
    & skf18("5","8","3","5","3","9","1") = "8"
    & skf18("5","8","3","5","3","10","1") = "9"
    & skf18("5","8","3","5","4","1","1") = "7"
    & skf18("5","8","3","5","4","2","1") = "7"
    & skf18("5","8","3","5","4","3","1") = "7"
    & skf18("5","8","3","5","4","4","1") = "7"
    & skf18("5","8","3","5","4","5","1") = "7"
    & skf18("5","8","3","5","4","6","1") = "7"
    & skf18("5","8","3","5","4","7","1") = "7"
    & skf18("5","8","3","5","4","8","1") = "7"
    & skf18("5","8","3","5","4","9","1") = "8"
    & skf18("5","8","3","5","4","10","1") = "9"
    & skf18("5","8","3","5","5","1","1") = "7"
    & skf18("5","8","3","5","5","2","1") = "7"
    & skf18("5","8","3","5","5","3","1") = "7"
    & skf18("5","8","3","5","5","4","1") = "7"
    & skf18("5","8","3","5","5","5","1") = "7"
    & skf18("5","8","3","5","5","6","1") = "7"
    & skf18("5","8","3","5","5","7","1") = "7"
    & skf18("5","8","3","5","5","8","1") = "7"
    & skf18("5","8","3","5","5","9","1") = "8"
    & skf18("5","8","3","5","5","10","1") = "9"
    & skf18("5","8","3","5","6","1","1") = "7"
    & skf18("5","8","3","5","6","2","1") = "7"
    & skf18("5","8","3","5","6","3","1") = "7"
    & skf18("5","8","3","5","6","4","1") = "7"
    & skf18("5","8","3","5","6","5","1") = "7"
    & skf18("5","8","3","5","6","6","1") = "7"
    & skf18("5","8","3","5","6","7","1") = "7"
    & skf18("5","8","3","5","6","8","1") = "7"
    & skf18("5","8","3","5","6","9","1") = "8"
    & skf18("5","8","3","5","6","10","1") = "9"
    & skf18("5","8","3","5","7","1","1") = "7"
    & skf18("5","8","3","5","7","2","1") = "7"
    & skf18("5","8","3","5","7","3","1") = "7"
    & skf18("5","8","3","5","7","4","1") = "7"
    & skf18("5","8","3","5","7","5","1") = "7"
    & skf18("5","8","3","5","7","6","1") = "7"
    & skf18("5","8","3","5","7","7","1") = "7"
    & skf18("5","8","3","5","7","8","1") = "7"
    & skf18("5","8","3","5","7","9","1") = "8"
    & skf18("5","8","3","5","7","10","1") = "9"
    & skf18("5","8","3","5","8","1","1") = "7"
    & skf18("5","8","3","5","8","2","1") = "7"
    & skf18("5","8","3","5","8","3","1") = "7"
    & skf18("5","8","3","5","8","4","1") = "7"
    & skf18("5","8","3","5","8","5","1") = "7"
    & skf18("5","8","3","5","8","6","1") = "7"
    & skf18("5","8","3","5","8","7","1") = "7"
    & skf18("5","8","3","5","8","8","1") = "7"
    & skf18("5","8","3","5","8","9","1") = "8"
    & skf18("5","8","3","5","8","10","1") = "9"
    & skf18("5","8","3","5","9","1","1") = "8"
    & skf18("5","8","3","5","9","2","1") = "8"
    & skf18("5","8","3","5","9","3","1") = "8"
    & skf18("5","8","3","5","9","4","1") = "8"
    & skf18("5","8","3","5","9","5","1") = "8"
    & skf18("5","8","3","5","9","6","1") = "8"
    & skf18("5","8","3","5","9","7","1") = "8"
    & skf18("5","8","3","5","9","8","1") = "8"
    & skf18("5","8","3","5","9","9","1") = "8"
    & skf18("5","8","3","5","9","10","1") = "9"
    & skf18("5","8","3","5","10","1","1") = "9"
    & skf18("5","8","3","5","10","2","1") = "9"
    & skf18("5","8","3","5","10","3","1") = "9"
    & skf18("5","8","3","5","10","4","1") = "9"
    & skf18("5","8","3","5","10","5","1") = "9"
    & skf18("5","8","3","5","10","6","1") = "9"
    & skf18("5","8","3","5","10","7","1") = "9"
    & skf18("5","8","3","5","10","8","1") = "9"
    & skf18("5","8","3","5","10","9","1") = "9"
    & skf18("5","8","3","5","10","10","1") = "9"
    & skf18("5","8","3","6","1","1","1") = "7"
    & skf18("5","8","3","6","1","2","1") = "7"
    & skf18("5","8","3","6","1","3","1") = "7"
    & skf18("5","8","3","6","1","4","1") = "7"
    & skf18("5","8","3","6","1","5","1") = "7"
    & skf18("5","8","3","6","1","6","1") = "7"
    & skf18("5","8","3","6","1","7","1") = "7"
    & skf18("5","8","3","6","1","8","1") = "7"
    & skf18("5","8","3","6","1","9","1") = "8"
    & skf18("5","8","3","6","1","10","1") = "9"
    & skf18("5","8","3","6","2","1","1") = "7"
    & skf18("5","8","3","6","2","2","1") = "7"
    & skf18("5","8","3","6","2","3","1") = "7"
    & skf18("5","8","3","6","2","4","1") = "7"
    & skf18("5","8","3","6","2","5","1") = "7"
    & skf18("5","8","3","6","2","6","1") = "7"
    & skf18("5","8","3","6","2","7","1") = "7"
    & skf18("5","8","3","6","2","8","1") = "7"
    & skf18("5","8","3","6","2","9","1") = "8"
    & skf18("5","8","3","6","2","10","1") = "9"
    & skf18("5","8","3","6","3","1","1") = "7"
    & skf18("5","8","3","6","3","2","1") = "7"
    & skf18("5","8","3","6","3","3","1") = "7"
    & skf18("5","8","3","6","3","4","1") = "7"
    & skf18("5","8","3","6","3","5","1") = "7"
    & skf18("5","8","3","6","3","6","1") = "7"
    & skf18("5","8","3","6","3","7","1") = "7"
    & skf18("5","8","3","6","3","8","1") = "7"
    & skf18("5","8","3","6","3","9","1") = "8"
    & skf18("5","8","3","6","3","10","1") = "9"
    & skf18("5","8","3","6","4","1","1") = "7"
    & skf18("5","8","3","6","4","2","1") = "7"
    & skf18("5","8","3","6","4","3","1") = "7"
    & skf18("5","8","3","6","4","4","1") = "7"
    & skf18("5","8","3","6","4","5","1") = "7"
    & skf18("5","8","3","6","4","6","1") = "7"
    & skf18("5","8","3","6","4","7","1") = "7"
    & skf18("5","8","3","6","4","8","1") = "7"
    & skf18("5","8","3","6","4","9","1") = "8"
    & skf18("5","8","3","6","4","10","1") = "9"
    & skf18("5","8","3","6","5","1","1") = "7"
    & skf18("5","8","3","6","5","2","1") = "7"
    & skf18("5","8","3","6","5","3","1") = "7"
    & skf18("5","8","3","6","5","4","1") = "7"
    & skf18("5","8","3","6","5","5","1") = "7"
    & skf18("5","8","3","6","5","6","1") = "7"
    & skf18("5","8","3","6","5","7","1") = "7"
    & skf18("5","8","3","6","5","8","1") = "7"
    & skf18("5","8","3","6","5","9","1") = "8"
    & skf18("5","8","3","6","5","10","1") = "9"
    & skf18("5","8","3","6","6","1","1") = "7"
    & skf18("5","8","3","6","6","2","1") = "7"
    & skf18("5","8","3","6","6","3","1") = "7"
    & skf18("5","8","3","6","6","4","1") = "7"
    & skf18("5","8","3","6","6","5","1") = "7"
    & skf18("5","8","3","6","6","6","1") = "7"
    & skf18("5","8","3","6","6","7","1") = "7"
    & skf18("5","8","3","6","6","8","1") = "7"
    & skf18("5","8","3","6","6","9","1") = "8"
    & skf18("5","8","3","6","6","10","1") = "9"
    & skf18("5","8","3","6","7","1","1") = "7"
    & skf18("5","8","3","6","7","2","1") = "7"
    & skf18("5","8","3","6","7","3","1") = "7"
    & skf18("5","8","3","6","7","4","1") = "7"
    & skf18("5","8","3","6","7","5","1") = "7"
    & skf18("5","8","3","6","7","6","1") = "7"
    & skf18("5","8","3","6","7","7","1") = "7"
    & skf18("5","8","3","6","7","8","1") = "7"
    & skf18("5","8","3","6","7","9","1") = "8"
    & skf18("5","8","3","6","7","10","1") = "9"
    & skf18("5","8","3","6","8","1","1") = "7"
    & skf18("5","8","3","6","8","2","1") = "7"
    & skf18("5","8","3","6","8","3","1") = "7"
    & skf18("5","8","3","6","8","4","1") = "7"
    & skf18("5","8","3","6","8","5","1") = "7"
    & skf18("5","8","3","6","8","6","1") = "7"
    & skf18("5","8","3","6","8","7","1") = "7"
    & skf18("5","8","3","6","8","8","1") = "7"
    & skf18("5","8","3","6","8","9","1") = "8"
    & skf18("5","8","3","6","8","10","1") = "9"
    & skf18("5","8","3","6","9","1","1") = "8"
    & skf18("5","8","3","6","9","2","1") = "8"
    & skf18("5","8","3","6","9","3","1") = "8"
    & skf18("5","8","3","6","9","4","1") = "8"
    & skf18("5","8","3","6","9","5","1") = "8"
    & skf18("5","8","3","6","9","6","1") = "8"
    & skf18("5","8","3","6","9","7","1") = "8"
    & skf18("5","8","3","6","9","8","1") = "8"
    & skf18("5","8","3","6","9","9","1") = "8"
    & skf18("5","8","3","6","9","10","1") = "9"
    & skf18("5","8","3","6","10","1","1") = "9"
    & skf18("5","8","3","6","10","2","1") = "9"
    & skf18("5","8","3","6","10","3","1") = "9"
    & skf18("5","8","3","6","10","4","1") = "9"
    & skf18("5","8","3","6","10","5","1") = "9"
    & skf18("5","8","3","6","10","6","1") = "9"
    & skf18("5","8","3","6","10","7","1") = "9"
    & skf18("5","8","3","6","10","8","1") = "9"
    & skf18("5","8","3","6","10","9","1") = "9"
    & skf18("5","8","3","6","10","10","1") = "9"
    & skf18("5","8","3","7","1","1","1") = "7"
    & skf18("5","8","3","7","1","2","1") = "7"
    & skf18("5","8","3","7","1","3","1") = "7"
    & skf18("5","8","3","7","1","4","1") = "7"
    & skf18("5","8","3","7","1","5","1") = "7"
    & skf18("5","8","3","7","1","6","1") = "7"
    & skf18("5","8","3","7","1","7","1") = "7"
    & skf18("5","8","3","7","1","8","1") = "7"
    & skf18("5","8","3","7","1","9","1") = "8"
    & skf18("5","8","3","7","1","10","1") = "9"
    & skf18("5","8","3","7","2","1","1") = "7"
    & skf18("5","8","3","7","2","2","1") = "7"
    & skf18("5","8","3","7","2","3","1") = "7"
    & skf18("5","8","3","7","2","4","1") = "7"
    & skf18("5","8","3","7","2","5","1") = "7"
    & skf18("5","8","3","7","2","6","1") = "7"
    & skf18("5","8","3","7","2","7","1") = "7"
    & skf18("5","8","3","7","2","8","1") = "7"
    & skf18("5","8","3","7","2","9","1") = "8"
    & skf18("5","8","3","7","2","10","1") = "9"
    & skf18("5","8","3","7","3","1","1") = "7"
    & skf18("5","8","3","7","3","2","1") = "7"
    & skf18("5","8","3","7","3","3","1") = "7"
    & skf18("5","8","3","7","3","4","1") = "7"
    & skf18("5","8","3","7","3","5","1") = "7"
    & skf18("5","8","3","7","3","6","1") = "7"
    & skf18("5","8","3","7","3","7","1") = "7"
    & skf18("5","8","3","7","3","8","1") = "7"
    & skf18("5","8","3","7","3","9","1") = "8"
    & skf18("5","8","3","7","3","10","1") = "9"
    & skf18("5","8","3","7","4","1","1") = "7"
    & skf18("5","8","3","7","4","2","1") = "7"
    & skf18("5","8","3","7","4","3","1") = "7"
    & skf18("5","8","3","7","4","4","1") = "7"
    & skf18("5","8","3","7","4","5","1") = "7"
    & skf18("5","8","3","7","4","6","1") = "7"
    & skf18("5","8","3","7","4","7","1") = "7"
    & skf18("5","8","3","7","4","8","1") = "7"
    & skf18("5","8","3","7","4","9","1") = "8"
    & skf18("5","8","3","7","4","10","1") = "9"
    & skf18("5","8","3","7","5","1","1") = "7"
    & skf18("5","8","3","7","5","2","1") = "7"
    & skf18("5","8","3","7","5","3","1") = "7"
    & skf18("5","8","3","7","5","4","1") = "7"
    & skf18("5","8","3","7","5","5","1") = "7"
    & skf18("5","8","3","7","5","6","1") = "7"
    & skf18("5","8","3","7","5","7","1") = "7"
    & skf18("5","8","3","7","5","8","1") = "7"
    & skf18("5","8","3","7","5","9","1") = "8"
    & skf18("5","8","3","7","5","10","1") = "9"
    & skf18("5","8","3","7","6","1","1") = "7"
    & skf18("5","8","3","7","6","2","1") = "7"
    & skf18("5","8","3","7","6","3","1") = "7"
    & skf18("5","8","3","7","6","4","1") = "7"
    & skf18("5","8","3","7","6","5","1") = "7"
    & skf18("5","8","3","7","6","6","1") = "7"
    & skf18("5","8","3","7","6","7","1") = "7"
    & skf18("5","8","3","7","6","8","1") = "7"
    & skf18("5","8","3","7","6","9","1") = "8"
    & skf18("5","8","3","7","6","10","1") = "9"
    & skf18("5","8","3","7","7","1","1") = "7"
    & skf18("5","8","3","7","7","2","1") = "7"
    & skf18("5","8","3","7","7","3","1") = "7"
    & skf18("5","8","3","7","7","4","1") = "7"
    & skf18("5","8","3","7","7","5","1") = "7"
    & skf18("5","8","3","7","7","6","1") = "7"
    & skf18("5","8","3","7","7","7","1") = "7"
    & skf18("5","8","3","7","7","8","1") = "7"
    & skf18("5","8","3","7","7","9","1") = "8"
    & skf18("5","8","3","7","7","10","1") = "9"
    & skf18("5","8","3","7","8","1","1") = "7"
    & skf18("5","8","3","7","8","2","1") = "7"
    & skf18("5","8","3","7","8","3","1") = "7"
    & skf18("5","8","3","7","8","4","1") = "7"
    & skf18("5","8","3","7","8","5","1") = "7"
    & skf18("5","8","3","7","8","6","1") = "7"
    & skf18("5","8","3","7","8","7","1") = "7"
    & skf18("5","8","3","7","8","8","1") = "7"
    & skf18("5","8","3","7","8","9","1") = "8"
    & skf18("5","8","3","7","8","10","1") = "9"
    & skf18("5","8","3","7","9","1","1") = "8"
    & skf18("5","8","3","7","9","2","1") = "8"
    & skf18("5","8","3","7","9","3","1") = "8"
    & skf18("5","8","3","7","9","4","1") = "8"
    & skf18("5","8","3","7","9","5","1") = "8"
    & skf18("5","8","3","7","9","6","1") = "8"
    & skf18("5","8","3","7","9","7","1") = "8"
    & skf18("5","8","3","7","9","8","1") = "8"
    & skf18("5","8","3","7","9","9","1") = "8"
    & skf18("5","8","3","7","9","10","1") = "9"
    & skf18("5","8","3","7","10","1","1") = "9"
    & skf18("5","8","3","7","10","2","1") = "9"
    & skf18("5","8","3","7","10","3","1") = "9"
    & skf18("5","8","3","7","10","4","1") = "9"
    & skf18("5","8","3","7","10","5","1") = "9"
    & skf18("5","8","3","7","10","6","1") = "9"
    & skf18("5","8","3","7","10","7","1") = "9"
    & skf18("5","8","3","7","10","8","1") = "9"
    & skf18("5","8","3","7","10","9","1") = "9"
    & skf18("5","8","3","7","10","10","1") = "9"
    & skf18("5","8","3","8","1","1","1") = "7"
    & skf18("5","8","3","8","1","2","1") = "7"
    & skf18("5","8","3","8","1","3","1") = "7"
    & skf18("5","8","3","8","1","4","1") = "7"
    & skf18("5","8","3","8","1","5","1") = "7"
    & skf18("5","8","3","8","1","6","1") = "7"
    & skf18("5","8","3","8","1","7","1") = "7"
    & skf18("5","8","3","8","1","8","1") = "7"
    & skf18("5","8","3","8","1","9","1") = "8"
    & skf18("5","8","3","8","1","10","1") = "9"
    & skf18("5","8","3","8","2","1","1") = "7"
    & skf18("5","8","3","8","2","2","1") = "7"
    & skf18("5","8","3","8","2","3","1") = "7"
    & skf18("5","8","3","8","2","4","1") = "7"
    & skf18("5","8","3","8","2","5","1") = "7"
    & skf18("5","8","3","8","2","6","1") = "7"
    & skf18("5","8","3","8","2","7","1") = "7"
    & skf18("5","8","3","8","2","8","1") = "7"
    & skf18("5","8","3","8","2","9","1") = "8"
    & skf18("5","8","3","8","2","10","1") = "9"
    & skf18("5","8","3","8","3","1","1") = "7"
    & skf18("5","8","3","8","3","2","1") = "7"
    & skf18("5","8","3","8","3","3","1") = "7"
    & skf18("5","8","3","8","3","4","1") = "7"
    & skf18("5","8","3","8","3","5","1") = "7"
    & skf18("5","8","3","8","3","6","1") = "7"
    & skf18("5","8","3","8","3","7","1") = "7"
    & skf18("5","8","3","8","3","8","1") = "7"
    & skf18("5","8","3","8","3","9","1") = "8"
    & skf18("5","8","3","8","3","10","1") = "9"
    & skf18("5","8","3","8","4","1","1") = "7"
    & skf18("5","8","3","8","4","2","1") = "7"
    & skf18("5","8","3","8","4","3","1") = "7"
    & skf18("5","8","3","8","4","4","1") = "7"
    & skf18("5","8","3","8","4","5","1") = "7"
    & skf18("5","8","3","8","4","6","1") = "7"
    & skf18("5","8","3","8","4","7","1") = "7"
    & skf18("5","8","3","8","4","8","1") = "7"
    & skf18("5","8","3","8","4","9","1") = "8"
    & skf18("5","8","3","8","4","10","1") = "9"
    & skf18("5","8","3","8","5","1","1") = "7"
    & skf18("5","8","3","8","5","2","1") = "7"
    & skf18("5","8","3","8","5","3","1") = "7"
    & skf18("5","8","3","8","5","4","1") = "7"
    & skf18("5","8","3","8","5","5","1") = "7"
    & skf18("5","8","3","8","5","6","1") = "7"
    & skf18("5","8","3","8","5","7","1") = "7"
    & skf18("5","8","3","8","5","8","1") = "7"
    & skf18("5","8","3","8","5","9","1") = "8"
    & skf18("5","8","3","8","5","10","1") = "9"
    & skf18("5","8","3","8","6","1","1") = "7"
    & skf18("5","8","3","8","6","2","1") = "7"
    & skf18("5","8","3","8","6","3","1") = "7"
    & skf18("5","8","3","8","6","4","1") = "7"
    & skf18("5","8","3","8","6","5","1") = "7"
    & skf18("5","8","3","8","6","6","1") = "7"
    & skf18("5","8","3","8","6","7","1") = "7"
    & skf18("5","8","3","8","6","8","1") = "7"
    & skf18("5","8","3","8","6","9","1") = "8"
    & skf18("5","8","3","8","6","10","1") = "9"
    & skf18("5","8","3","8","7","1","1") = "7"
    & skf18("5","8","3","8","7","2","1") = "7"
    & skf18("5","8","3","8","7","3","1") = "7"
    & skf18("5","8","3","8","7","4","1") = "7"
    & skf18("5","8","3","8","7","5","1") = "7"
    & skf18("5","8","3","8","7","6","1") = "7"
    & skf18("5","8","3","8","7","7","1") = "7"
    & skf18("5","8","3","8","7","8","1") = "7"
    & skf18("5","8","3","8","7","9","1") = "8"
    & skf18("5","8","3","8","7","10","1") = "9"
    & skf18("5","8","3","8","8","1","1") = "7"
    & skf18("5","8","3","8","8","2","1") = "7"
    & skf18("5","8","3","8","8","3","1") = "7"
    & skf18("5","8","3","8","8","4","1") = "7"
    & skf18("5","8","3","8","8","5","1") = "7"
    & skf18("5","8","3","8","8","6","1") = "7"
    & skf18("5","8","3","8","8","7","1") = "7"
    & skf18("5","8","3","8","8","8","1") = "7"
    & skf18("5","8","3","8","8","9","1") = "8"
    & skf18("5","8","3","8","8","10","1") = "9"
    & skf18("5","8","3","8","9","1","1") = "8"
    & skf18("5","8","3","8","9","2","1") = "8"
    & skf18("5","8","3","8","9","3","1") = "8"
    & skf18("5","8","3","8","9","4","1") = "8"
    & skf18("5","8","3","8","9","5","1") = "8"
    & skf18("5","8","3","8","9","6","1") = "8"
    & skf18("5","8","3","8","9","7","1") = "8"
    & skf18("5","8","3","8","9","8","1") = "8"
    & skf18("5","8","3","8","9","9","1") = "8"
    & skf18("5","8","3","8","9","10","1") = "9"
    & skf18("5","8","3","8","10","1","1") = "9"
    & skf18("5","8","3","8","10","2","1") = "9"
    & skf18("5","8","3","8","10","3","1") = "9"
    & skf18("5","8","3","8","10","4","1") = "9"
    & skf18("5","8","3","8","10","5","1") = "9"
    & skf18("5","8","3","8","10","6","1") = "9"
    & skf18("5","8","3","8","10","7","1") = "9"
    & skf18("5","8","3","8","10","8","1") = "9"
    & skf18("5","8","3","8","10","9","1") = "9"
    & skf18("5","8","3","8","10","10","1") = "9"
    & skf18("5","8","3","9","1","1","1") = "8"
    & skf18("5","8","3","9","1","2","1") = "8"
    & skf18("5","8","3","9","1","3","1") = "8"
    & skf18("5","8","3","9","1","4","1") = "8"
    & skf18("5","8","3","9","1","5","1") = "8"
    & skf18("5","8","3","9","1","6","1") = "8"
    & skf18("5","8","3","9","1","7","1") = "8"
    & skf18("5","8","3","9","1","8","1") = "8"
    & skf18("5","8","3","9","1","9","1") = "8"
    & skf18("5","8","3","9","1","10","1") = "9"
    & skf18("5","8","3","9","2","1","1") = "8"
    & skf18("5","8","3","9","2","2","1") = "8"
    & skf18("5","8","3","9","2","3","1") = "8"
    & skf18("5","8","3","9","2","4","1") = "8"
    & skf18("5","8","3","9","2","5","1") = "8"
    & skf18("5","8","3","9","2","6","1") = "8"
    & skf18("5","8","3","9","2","7","1") = "8"
    & skf18("5","8","3","9","2","8","1") = "8"
    & skf18("5","8","3","9","2","9","1") = "8"
    & skf18("5","8","3","9","2","10","1") = "9"
    & skf18("5","8","3","9","3","1","1") = "8"
    & skf18("5","8","3","9","3","2","1") = "8"
    & skf18("5","8","3","9","3","3","1") = "8"
    & skf18("5","8","3","9","3","4","1") = "8"
    & skf18("5","8","3","9","3","5","1") = "8"
    & skf18("5","8","3","9","3","6","1") = "8"
    & skf18("5","8","3","9","3","7","1") = "8"
    & skf18("5","8","3","9","3","8","1") = "8"
    & skf18("5","8","3","9","3","9","1") = "8"
    & skf18("5","8","3","9","3","10","1") = "9"
    & skf18("5","8","3","9","4","1","1") = "8"
    & skf18("5","8","3","9","4","2","1") = "8"
    & skf18("5","8","3","9","4","3","1") = "8"
    & skf18("5","8","3","9","4","4","1") = "8"
    & skf18("5","8","3","9","4","5","1") = "8"
    & skf18("5","8","3","9","4","6","1") = "8"
    & skf18("5","8","3","9","4","7","1") = "8"
    & skf18("5","8","3","9","4","8","1") = "8"
    & skf18("5","8","3","9","4","9","1") = "8"
    & skf18("5","8","3","9","4","10","1") = "9"
    & skf18("5","8","3","9","5","1","1") = "8"
    & skf18("5","8","3","9","5","2","1") = "8"
    & skf18("5","8","3","9","5","3","1") = "8"
    & skf18("5","8","3","9","5","4","1") = "8"
    & skf18("5","8","3","9","5","5","1") = "8"
    & skf18("5","8","3","9","5","6","1") = "8"
    & skf18("5","8","3","9","5","7","1") = "8"
    & skf18("5","8","3","9","5","8","1") = "8"
    & skf18("5","8","3","9","5","9","1") = "8"
    & skf18("5","8","3","9","5","10","1") = "9"
    & skf18("5","8","3","9","6","1","1") = "8"
    & skf18("5","8","3","9","6","2","1") = "8"
    & skf18("5","8","3","9","6","3","1") = "8"
    & skf18("5","8","3","9","6","4","1") = "8"
    & skf18("5","8","3","9","6","5","1") = "8"
    & skf18("5","8","3","9","6","6","1") = "8"
    & skf18("5","8","3","9","6","7","1") = "8"
    & skf18("5","8","3","9","6","8","1") = "8"
    & skf18("5","8","3","9","6","9","1") = "8"
    & skf18("5","8","3","9","6","10","1") = "9"
    & skf18("5","8","3","9","7","1","1") = "8"
    & skf18("5","8","3","9","7","2","1") = "8"
    & skf18("5","8","3","9","7","3","1") = "8"
    & skf18("5","8","3","9","7","4","1") = "8"
    & skf18("5","8","3","9","7","5","1") = "8"
    & skf18("5","8","3","9","7","6","1") = "8"
    & skf18("5","8","3","9","7","7","1") = "8"
    & skf18("5","8","3","9","7","8","1") = "8"
    & skf18("5","8","3","9","7","9","1") = "8"
    & skf18("5","8","3","9","7","10","1") = "9"
    & skf18("5","8","3","9","8","1","1") = "8"
    & skf18("5","8","3","9","8","2","1") = "8"
    & skf18("5","8","3","9","8","3","1") = "8"
    & skf18("5","8","3","9","8","4","1") = "8"
    & skf18("5","8","3","9","8","5","1") = "8"
    & skf18("5","8","3","9","8","6","1") = "8"
    & skf18("5","8","3","9","8","7","1") = "8"
    & skf18("5","8","3","9","8","8","1") = "8"
    & skf18("5","8","3","9","8","9","1") = "8"
    & skf18("5","8","3","9","8","10","1") = "9"
    & skf18("5","8","3","9","9","1","1") = "8"
    & skf18("5","8","3","9","9","2","1") = "8"
    & skf18("5","8","3","9","9","3","1") = "8"
    & skf18("5","8","3","9","9","4","1") = "8"
    & skf18("5","8","3","9","9","5","1") = "8"
    & skf18("5","8","3","9","9","6","1") = "8"
    & skf18("5","8","3","9","9","7","1") = "8"
    & skf18("5","8","3","9","9","8","1") = "8"
    & skf18("5","8","3","9","9","9","1") = "8"
    & skf18("5","8","3","9","9","10","1") = "9"
    & skf18("5","8","3","9","10","1","1") = "9"
    & skf18("5","8","3","9","10","2","1") = "9"
    & skf18("5","8","3","9","10","3","1") = "9"
    & skf18("5","8","3","9","10","4","1") = "9"
    & skf18("5","8","3","9","10","5","1") = "9"
    & skf18("5","8","3","9","10","6","1") = "9"
    & skf18("5","8","3","9","10","7","1") = "9"
    & skf18("5","8","3","9","10","8","1") = "9"
    & skf18("5","8","3","9","10","9","1") = "9"
    & skf18("5","8","3","9","10","10","1") = "9"
    & skf18("5","8","3","10","1","1","1") = "9"
    & skf18("5","8","3","10","1","2","1") = "9"
    & skf18("5","8","3","10","1","3","1") = "9"
    & skf18("5","8","3","10","1","4","1") = "9"
    & skf18("5","8","3","10","1","5","1") = "9"
    & skf18("5","8","3","10","1","6","1") = "9"
    & skf18("5","8","3","10","1","7","1") = "9"
    & skf18("5","8","3","10","1","8","1") = "9"
    & skf18("5","8","3","10","1","9","1") = "9"
    & skf18("5","8","3","10","1","10","1") = "9"
    & skf18("5","8","3","10","2","1","1") = "9"
    & skf18("5","8","3","10","2","2","1") = "9"
    & skf18("5","8","3","10","2","3","1") = "9"
    & skf18("5","8","3","10","2","4","1") = "9"
    & skf18("5","8","3","10","2","5","1") = "9"
    & skf18("5","8","3","10","2","6","1") = "9"
    & skf18("5","8","3","10","2","7","1") = "9"
    & skf18("5","8","3","10","2","8","1") = "9"
    & skf18("5","8","3","10","2","9","1") = "9"
    & skf18("5","8","3","10","2","10","1") = "9"
    & skf18("5","8","3","10","3","1","1") = "9"
    & skf18("5","8","3","10","3","2","1") = "9"
    & skf18("5","8","3","10","3","3","1") = "9"
    & skf18("5","8","3","10","3","4","1") = "9"
    & skf18("5","8","3","10","3","5","1") = "9"
    & skf18("5","8","3","10","3","6","1") = "9"
    & skf18("5","8","3","10","3","7","1") = "9"
    & skf18("5","8","3","10","3","8","1") = "9"
    & skf18("5","8","3","10","3","9","1") = "9"
    & skf18("5","8","3","10","3","10","1") = "9"
    & skf18("5","8","3","10","4","1","1") = "9"
    & skf18("5","8","3","10","4","2","1") = "9"
    & skf18("5","8","3","10","4","3","1") = "9"
    & skf18("5","8","3","10","4","4","1") = "9"
    & skf18("5","8","3","10","4","5","1") = "9"
    & skf18("5","8","3","10","4","6","1") = "9"
    & skf18("5","8","3","10","4","7","1") = "9"
    & skf18("5","8","3","10","4","8","1") = "9"
    & skf18("5","8","3","10","4","9","1") = "9"
    & skf18("5","8","3","10","4","10","1") = "9"
    & skf18("5","8","3","10","5","1","1") = "9"
    & skf18("5","8","3","10","5","2","1") = "9"
    & skf18("5","8","3","10","5","3","1") = "9"
    & skf18("5","8","3","10","5","4","1") = "9"
    & skf18("5","8","3","10","5","5","1") = "9"
    & skf18("5","8","3","10","5","6","1") = "9"
    & skf18("5","8","3","10","5","7","1") = "9"
    & skf18("5","8","3","10","5","8","1") = "9"
    & skf18("5","8","3","10","5","9","1") = "9"
    & skf18("5","8","3","10","5","10","1") = "9"
    & skf18("5","8","3","10","6","1","1") = "9"
    & skf18("5","8","3","10","6","2","1") = "9"
    & skf18("5","8","3","10","6","3","1") = "9"
    & skf18("5","8","3","10","6","4","1") = "9"
    & skf18("5","8","3","10","6","5","1") = "9"
    & skf18("5","8","3","10","6","6","1") = "9"
    & skf18("5","8","3","10","6","7","1") = "9"
    & skf18("5","8","3","10","6","8","1") = "9"
    & skf18("5","8","3","10","6","9","1") = "9"
    & skf18("5","8","3","10","6","10","1") = "9"
    & skf18("5","8","3","10","7","1","1") = "9"
    & skf18("5","8","3","10","7","2","1") = "9"
    & skf18("5","8","3","10","7","3","1") = "9"
    & skf18("5","8","3","10","7","4","1") = "9"
    & skf18("5","8","3","10","7","5","1") = "9"
    & skf18("5","8","3","10","7","6","1") = "9"
    & skf18("5","8","3","10","7","7","1") = "9"
    & skf18("5","8","3","10","7","8","1") = "9"
    & skf18("5","8","3","10","7","9","1") = "9"
    & skf18("5","8","3","10","7","10","1") = "9"
    & skf18("5","8","3","10","8","1","1") = "9"
    & skf18("5","8","3","10","8","2","1") = "9"
    & skf18("5","8","3","10","8","3","1") = "9"
    & skf18("5","8","3","10","8","4","1") = "9"
    & skf18("5","8","3","10","8","5","1") = "9"
    & skf18("5","8","3","10","8","6","1") = "9"
    & skf18("5","8","3","10","8","7","1") = "9"
    & skf18("5","8","3","10","8","8","1") = "9"
    & skf18("5","8","3","10","8","9","1") = "9"
    & skf18("5","8","3","10","8","10","1") = "9"
    & skf18("5","8","3","10","9","1","1") = "9"
    & skf18("5","8","3","10","9","2","1") = "9"
    & skf18("5","8","3","10","9","3","1") = "9"
    & skf18("5","8","3","10","9","4","1") = "9"
    & skf18("5","8","3","10","9","5","1") = "9"
    & skf18("5","8","3","10","9","6","1") = "9"
    & skf18("5","8","3","10","9","7","1") = "9"
    & skf18("5","8","3","10","9","8","1") = "9"
    & skf18("5","8","3","10","9","9","1") = "9"
    & skf18("5","8","3","10","9","10","1") = "9"
    & skf18("5","8","3","10","10","1","1") = "9"
    & skf18("5","8","3","10","10","2","1") = "9"
    & skf18("5","8","3","10","10","3","1") = "9"
    & skf18("5","8","3","10","10","4","1") = "9"
    & skf18("5","8","3","10","10","5","1") = "9"
    & skf18("5","8","3","10","10","6","1") = "9"
    & skf18("5","8","3","10","10","7","1") = "9"
    & skf18("5","8","3","10","10","8","1") = "9"
    & skf18("5","8","3","10","10","9","1") = "9"
    & skf18("5","8","3","10","10","10","1") = "9"
    & skf18("5","8","4","1","1","1","1") = "7"
    & skf18("5","8","4","1","1","2","1") = "7"
    & skf18("5","8","4","1","1","3","1") = "7"
    & skf18("5","8","4","1","1","4","1") = "7"
    & skf18("5","8","4","1","1","5","1") = "7"
    & skf18("5","8","4","1","1","6","1") = "7"
    & skf18("5","8","4","1","1","7","1") = "7"
    & skf18("5","8","4","1","1","8","1") = "7"
    & skf18("5","8","4","1","1","9","1") = "8"
    & skf18("5","8","4","1","1","10","1") = "9"
    & skf18("5","8","4","1","2","1","1") = "7"
    & skf18("5","8","4","1","2","2","1") = "7"
    & skf18("5","8","4","1","2","3","1") = "7"
    & skf18("5","8","4","1","2","4","1") = "7"
    & skf18("5","8","4","1","2","5","1") = "7"
    & skf18("5","8","4","1","2","6","1") = "7"
    & skf18("5","8","4","1","2","7","1") = "7"
    & skf18("5","8","4","1","2","8","1") = "7"
    & skf18("5","8","4","1","2","9","1") = "8"
    & skf18("5","8","4","1","2","10","1") = "9"
    & skf18("5","8","4","1","3","1","1") = "7"
    & skf18("5","8","4","1","3","2","1") = "7"
    & skf18("5","8","4","1","3","3","1") = "7"
    & skf18("5","8","4","1","3","4","1") = "7"
    & skf18("5","8","4","1","3","5","1") = "7"
    & skf18("5","8","4","1","3","6","1") = "7"
    & skf18("5","8","4","1","3","7","1") = "7"
    & skf18("5","8","4","1","3","8","1") = "7"
    & skf18("5","8","4","1","3","9","1") = "8"
    & skf18("5","8","4","1","3","10","1") = "9"
    & skf18("5","8","4","1","4","1","1") = "7"
    & skf18("5","8","4","1","4","2","1") = "7"
    & skf18("5","8","4","1","4","3","1") = "7"
    & skf18("5","8","4","1","4","4","1") = "7"
    & skf18("5","8","4","1","4","5","1") = "7"
    & skf18("5","8","4","1","4","6","1") = "7"
    & skf18("5","8","4","1","4","7","1") = "7"
    & skf18("5","8","4","1","4","8","1") = "7"
    & skf18("5","8","4","1","4","9","1") = "8"
    & skf18("5","8","4","1","4","10","1") = "9"
    & skf18("5","8","4","1","5","1","1") = "7"
    & skf18("5","8","4","1","5","2","1") = "7"
    & skf18("5","8","4","1","5","3","1") = "7"
    & skf18("5","8","4","1","5","4","1") = "7"
    & skf18("5","8","4","1","5","5","1") = "7"
    & skf18("5","8","4","1","5","6","1") = "7"
    & skf18("5","8","4","1","5","7","1") = "7"
    & skf18("5","8","4","1","5","8","1") = "7"
    & skf18("5","8","4","1","5","9","1") = "8"
    & skf18("5","8","4","1","5","10","1") = "9"
    & skf18("5","8","4","1","6","1","1") = "7"
    & skf18("5","8","4","1","6","2","1") = "7"
    & skf18("5","8","4","1","6","3","1") = "7"
    & skf18("5","8","4","1","6","4","1") = "7"
    & skf18("5","8","4","1","6","5","1") = "7"
    & skf18("5","8","4","1","6","6","1") = "7"
    & skf18("5","8","4","1","6","7","1") = "7"
    & skf18("5","8","4","1","6","8","1") = "7"
    & skf18("5","8","4","1","6","9","1") = "8"
    & skf18("5","8","4","1","6","10","1") = "9"
    & skf18("5","8","4","1","7","1","1") = "7"
    & skf18("5","8","4","1","7","2","1") = "7"
    & skf18("5","8","4","1","7","3","1") = "7"
    & skf18("5","8","4","1","7","4","1") = "7"
    & skf18("5","8","4","1","7","5","1") = "7"
    & skf18("5","8","4","1","7","6","1") = "7"
    & skf18("5","8","4","1","7","7","1") = "7"
    & skf18("5","8","4","1","7","8","1") = "7"
    & skf18("5","8","4","1","7","9","1") = "8"
    & skf18("5","8","4","1","7","10","1") = "9"
    & skf18("5","8","4","1","8","1","1") = "7"
    & skf18("5","8","4","1","8","2","1") = "7"
    & skf18("5","8","4","1","8","3","1") = "7"
    & skf18("5","8","4","1","8","4","1") = "7"
    & skf18("5","8","4","1","8","5","1") = "7"
    & skf18("5","8","4","1","8","6","1") = "7"
    & skf18("5","8","4","1","8","7","1") = "7"
    & skf18("5","8","4","1","8","8","1") = "7"
    & skf18("5","8","4","1","8","9","1") = "8"
    & skf18("5","8","4","1","8","10","1") = "9"
    & skf18("5","8","4","1","9","1","1") = "8"
    & skf18("5","8","4","1","9","2","1") = "8"
    & skf18("5","8","4","1","9","3","1") = "8"
    & skf18("5","8","4","1","9","4","1") = "8"
    & skf18("5","8","4","1","9","5","1") = "8"
    & skf18("5","8","4","1","9","6","1") = "8"
    & skf18("5","8","4","1","9","7","1") = "8"
    & skf18("5","8","4","1","9","8","1") = "8"
    & skf18("5","8","4","1","9","9","1") = "8"
    & skf18("5","8","4","1","9","10","1") = "9"
    & skf18("5","8","4","1","10","1","1") = "9"
    & skf18("5","8","4","1","10","2","1") = "9"
    & skf18("5","8","4","1","10","3","1") = "9"
    & skf18("5","8","4","1","10","4","1") = "9"
    & skf18("5","8","4","1","10","5","1") = "9"
    & skf18("5","8","4","1","10","6","1") = "9"
    & skf18("5","8","4","1","10","7","1") = "9"
    & skf18("5","8","4","1","10","8","1") = "9"
    & skf18("5","8","4","1","10","9","1") = "9"
    & skf18("5","8","4","1","10","10","1") = "9"
    & skf18("5","8","4","2","1","1","1") = "7"
    & skf18("5","8","4","2","1","2","1") = "7"
    & skf18("5","8","4","2","1","3","1") = "7"
    & skf18("5","8","4","2","1","4","1") = "7"
    & skf18("5","8","4","2","1","5","1") = "7"
    & skf18("5","8","4","2","1","6","1") = "7"
    & skf18("5","8","4","2","1","7","1") = "7"
    & skf18("5","8","4","2","1","8","1") = "7"
    & skf18("5","8","4","2","1","9","1") = "8"
    & skf18("5","8","4","2","1","10","1") = "9"
    & skf18("5","8","4","2","2","1","1") = "7"
    & skf18("5","8","4","2","2","2","1") = "7"
    & skf18("5","8","4","2","2","3","1") = "7"
    & skf18("5","8","4","2","2","4","1") = "7"
    & skf18("5","8","4","2","2","5","1") = "7"
    & skf18("5","8","4","2","2","6","1") = "7"
    & skf18("5","8","4","2","2","7","1") = "7"
    & skf18("5","8","4","2","2","8","1") = "7"
    & skf18("5","8","4","2","2","9","1") = "8"
    & skf18("5","8","4","2","2","10","1") = "9"
    & skf18("5","8","4","2","3","1","1") = "7"
    & skf18("5","8","4","2","3","2","1") = "7"
    & skf18("5","8","4","2","3","3","1") = "7"
    & skf18("5","8","4","2","3","4","1") = "7"
    & skf18("5","8","4","2","3","5","1") = "7"
    & skf18("5","8","4","2","3","6","1") = "7"
    & skf18("5","8","4","2","3","7","1") = "7"
    & skf18("5","8","4","2","3","8","1") = "7"
    & skf18("5","8","4","2","3","9","1") = "8"
    & skf18("5","8","4","2","3","10","1") = "9"
    & skf18("5","8","4","2","4","1","1") = "7"
    & skf18("5","8","4","2","4","2","1") = "7"
    & skf18("5","8","4","2","4","3","1") = "7"
    & skf18("5","8","4","2","4","4","1") = "7"
    & skf18("5","8","4","2","4","5","1") = "7"
    & skf18("5","8","4","2","4","6","1") = "7"
    & skf18("5","8","4","2","4","7","1") = "7"
    & skf18("5","8","4","2","4","8","1") = "7"
    & skf18("5","8","4","2","4","9","1") = "8"
    & skf18("5","8","4","2","4","10","1") = "9"
    & skf18("5","8","4","2","5","1","1") = "7"
    & skf18("5","8","4","2","5","2","1") = "7"
    & skf18("5","8","4","2","5","3","1") = "7"
    & skf18("5","8","4","2","5","4","1") = "7"
    & skf18("5","8","4","2","5","5","1") = "7"
    & skf18("5","8","4","2","5","6","1") = "7"
    & skf18("5","8","4","2","5","7","1") = "7"
    & skf18("5","8","4","2","5","8","1") = "7"
    & skf18("5","8","4","2","5","9","1") = "8"
    & skf18("5","8","4","2","5","10","1") = "9"
    & skf18("5","8","4","2","6","1","1") = "7"
    & skf18("5","8","4","2","6","2","1") = "7"
    & skf18("5","8","4","2","6","3","1") = "7"
    & skf18("5","8","4","2","6","4","1") = "7"
    & skf18("5","8","4","2","6","5","1") = "7"
    & skf18("5","8","4","2","6","6","1") = "7"
    & skf18("5","8","4","2","6","7","1") = "7"
    & skf18("5","8","4","2","6","8","1") = "7"
    & skf18("5","8","4","2","6","9","1") = "8"
    & skf18("5","8","4","2","6","10","1") = "9"
    & skf18("5","8","4","2","7","1","1") = "7"
    & skf18("5","8","4","2","7","2","1") = "7"
    & skf18("5","8","4","2","7","3","1") = "7"
    & skf18("5","8","4","2","7","4","1") = "7"
    & skf18("5","8","4","2","7","5","1") = "7"
    & skf18("5","8","4","2","7","6","1") = "7"
    & skf18("5","8","4","2","7","7","1") = "7"
    & skf18("5","8","4","2","7","8","1") = "7"
    & skf18("5","8","4","2","7","9","1") = "8"
    & skf18("5","8","4","2","7","10","1") = "9"
    & skf18("5","8","4","2","8","1","1") = "7"
    & skf18("5","8","4","2","8","2","1") = "7"
    & skf18("5","8","4","2","8","3","1") = "7"
    & skf18("5","8","4","2","8","4","1") = "7"
    & skf18("5","8","4","2","8","5","1") = "7"
    & skf18("5","8","4","2","8","6","1") = "7"
    & skf18("5","8","4","2","8","7","1") = "7"
    & skf18("5","8","4","2","8","8","1") = "7"
    & skf18("5","8","4","2","8","9","1") = "8"
    & skf18("5","8","4","2","8","10","1") = "9"
    & skf18("5","8","4","2","9","1","1") = "8"
    & skf18("5","8","4","2","9","2","1") = "8"
    & skf18("5","8","4","2","9","3","1") = "8"
    & skf18("5","8","4","2","9","4","1") = "8"
    & skf18("5","8","4","2","9","5","1") = "8"
    & skf18("5","8","4","2","9","6","1") = "8"
    & skf18("5","8","4","2","9","7","1") = "8"
    & skf18("5","8","4","2","9","8","1") = "8"
    & skf18("5","8","4","2","9","9","1") = "8"
    & skf18("5","8","4","2","9","10","1") = "9"
    & skf18("5","8","4","2","10","1","1") = "9"
    & skf18("5","8","4","2","10","2","1") = "9"
    & skf18("5","8","4","2","10","3","1") = "9"
    & skf18("5","8","4","2","10","4","1") = "9"
    & skf18("5","8","4","2","10","5","1") = "9"
    & skf18("5","8","4","2","10","6","1") = "9"
    & skf18("5","8","4","2","10","7","1") = "9"
    & skf18("5","8","4","2","10","8","1") = "9"
    & skf18("5","8","4","2","10","9","1") = "9"
    & skf18("5","8","4","2","10","10","1") = "9"
    & skf18("5","8","4","3","1","1","1") = "7"
    & skf18("5","8","4","3","1","2","1") = "7"
    & skf18("5","8","4","3","1","3","1") = "7"
    & skf18("5","8","4","3","1","4","1") = "7"
    & skf18("5","8","4","3","1","5","1") = "7"
    & skf18("5","8","4","3","1","6","1") = "7"
    & skf18("5","8","4","3","1","7","1") = "7"
    & skf18("5","8","4","3","1","8","1") = "7"
    & skf18("5","8","4","3","1","9","1") = "8"
    & skf18("5","8","4","3","1","10","1") = "9"
    & skf18("5","8","4","3","2","1","1") = "7"
    & skf18("5","8","4","3","2","2","1") = "7"
    & skf18("5","8","4","3","2","3","1") = "7"
    & skf18("5","8","4","3","2","4","1") = "7"
    & skf18("5","8","4","3","2","5","1") = "7"
    & skf18("5","8","4","3","2","6","1") = "7"
    & skf18("5","8","4","3","2","7","1") = "7"
    & skf18("5","8","4","3","2","8","1") = "7"
    & skf18("5","8","4","3","2","9","1") = "8"
    & skf18("5","8","4","3","2","10","1") = "9"
    & skf18("5","8","4","3","3","1","1") = "7"
    & skf18("5","8","4","3","3","2","1") = "7"
    & skf18("5","8","4","3","3","3","1") = "7"
    & skf18("5","8","4","3","3","4","1") = "7"
    & skf18("5","8","4","3","3","5","1") = "7"
    & skf18("5","8","4","3","3","6","1") = "7"
    & skf18("5","8","4","3","3","7","1") = "7"
    & skf18("5","8","4","3","3","8","1") = "7"
    & skf18("5","8","4","3","3","9","1") = "8"
    & skf18("5","8","4","3","3","10","1") = "9"
    & skf18("5","8","4","3","4","1","1") = "7"
    & skf18("5","8","4","3","4","2","1") = "7"
    & skf18("5","8","4","3","4","3","1") = "7"
    & skf18("5","8","4","3","4","4","1") = "7"
    & skf18("5","8","4","3","4","5","1") = "7"
    & skf18("5","8","4","3","4","6","1") = "7"
    & skf18("5","8","4","3","4","7","1") = "7"
    & skf18("5","8","4","3","4","8","1") = "7"
    & skf18("5","8","4","3","4","9","1") = "8"
    & skf18("5","8","4","3","4","10","1") = "9"
    & skf18("5","8","4","3","5","1","1") = "7"
    & skf18("5","8","4","3","5","2","1") = "7"
    & skf18("5","8","4","3","5","3","1") = "7"
    & skf18("5","8","4","3","5","4","1") = "7"
    & skf18("5","8","4","3","5","5","1") = "7"
    & skf18("5","8","4","3","5","6","1") = "7"
    & skf18("5","8","4","3","5","7","1") = "7"
    & skf18("5","8","4","3","5","8","1") = "7"
    & skf18("5","8","4","3","5","9","1") = "8"
    & skf18("5","8","4","3","5","10","1") = "9"
    & skf18("5","8","4","3","6","1","1") = "7"
    & skf18("5","8","4","3","6","2","1") = "7"
    & skf18("5","8","4","3","6","3","1") = "7"
    & skf18("5","8","4","3","6","4","1") = "7"
    & skf18("5","8","4","3","6","5","1") = "7"
    & skf18("5","8","4","3","6","6","1") = "7"
    & skf18("5","8","4","3","6","7","1") = "7"
    & skf18("5","8","4","3","6","8","1") = "7"
    & skf18("5","8","4","3","6","9","1") = "8"
    & skf18("5","8","4","3","6","10","1") = "9"
    & skf18("5","8","4","3","7","1","1") = "7"
    & skf18("5","8","4","3","7","2","1") = "7"
    & skf18("5","8","4","3","7","3","1") = "7"
    & skf18("5","8","4","3","7","4","1") = "7"
    & skf18("5","8","4","3","7","5","1") = "7"
    & skf18("5","8","4","3","7","6","1") = "7"
    & skf18("5","8","4","3","7","7","1") = "7"
    & skf18("5","8","4","3","7","8","1") = "7"
    & skf18("5","8","4","3","7","9","1") = "8"
    & skf18("5","8","4","3","7","10","1") = "9"
    & skf18("5","8","4","3","8","1","1") = "7"
    & skf18("5","8","4","3","8","2","1") = "7"
    & skf18("5","8","4","3","8","3","1") = "7"
    & skf18("5","8","4","3","8","4","1") = "7"
    & skf18("5","8","4","3","8","5","1") = "7"
    & skf18("5","8","4","3","8","6","1") = "7"
    & skf18("5","8","4","3","8","7","1") = "7"
    & skf18("5","8","4","3","8","8","1") = "7"
    & skf18("5","8","4","3","8","9","1") = "8"
    & skf18("5","8","4","3","8","10","1") = "9"
    & skf18("5","8","4","3","9","1","1") = "8"
    & skf18("5","8","4","3","9","2","1") = "8"
    & skf18("5","8","4","3","9","3","1") = "8"
    & skf18("5","8","4","3","9","4","1") = "8"
    & skf18("5","8","4","3","9","5","1") = "8"
    & skf18("5","8","4","3","9","6","1") = "8"
    & skf18("5","8","4","3","9","7","1") = "8"
    & skf18("5","8","4","3","9","8","1") = "8"
    & skf18("5","8","4","3","9","9","1") = "8"
    & skf18("5","8","4","3","9","10","1") = "9"
    & skf18("5","8","4","3","10","1","1") = "9"
    & skf18("5","8","4","3","10","2","1") = "9"
    & skf18("5","8","4","3","10","3","1") = "9"
    & skf18("5","8","4","3","10","4","1") = "9"
    & skf18("5","8","4","3","10","5","1") = "9"
    & skf18("5","8","4","3","10","6","1") = "9"
    & skf18("5","8","4","3","10","7","1") = "9"
    & skf18("5","8","4","3","10","8","1") = "9"
    & skf18("5","8","4","3","10","9","1") = "9"
    & skf18("5","8","4","3","10","10","1") = "9"
    & skf18("5","8","4","4","1","1","1") = "7"
    & skf18("5","8","4","4","1","2","1") = "7"
    & skf18("5","8","4","4","1","3","1") = "7"
    & skf18("5","8","4","4","1","4","1") = "7"
    & skf18("5","8","4","4","1","5","1") = "7"
    & skf18("5","8","4","4","1","6","1") = "7"
    & skf18("5","8","4","4","1","7","1") = "7"
    & skf18("5","8","4","4","1","8","1") = "7"
    & skf18("5","8","4","4","1","9","1") = "8"
    & skf18("5","8","4","4","1","10","1") = "9"
    & skf18("5","8","4","4","2","1","1") = "7"
    & skf18("5","8","4","4","2","2","1") = "7"
    & skf18("5","8","4","4","2","3","1") = "7"
    & skf18("5","8","4","4","2","4","1") = "7"
    & skf18("5","8","4","4","2","5","1") = "7"
    & skf18("5","8","4","4","2","6","1") = "7"
    & skf18("5","8","4","4","2","7","1") = "7"
    & skf18("5","8","4","4","2","8","1") = "7"
    & skf18("5","8","4","4","2","9","1") = "8"
    & skf18("5","8","4","4","2","10","1") = "9"
    & skf18("5","8","4","4","3","1","1") = "7"
    & skf18("5","8","4","4","3","2","1") = "7"
    & skf18("5","8","4","4","3","3","1") = "7"
    & skf18("5","8","4","4","3","4","1") = "7"
    & skf18("5","8","4","4","3","5","1") = "7"
    & skf18("5","8","4","4","3","6","1") = "7"
    & skf18("5","8","4","4","3","7","1") = "7"
    & skf18("5","8","4","4","3","8","1") = "7"
    & skf18("5","8","4","4","3","9","1") = "8"
    & skf18("5","8","4","4","3","10","1") = "9"
    & skf18("5","8","4","4","4","1","1") = "7"
    & skf18("5","8","4","4","4","2","1") = "7"
    & skf18("5","8","4","4","4","3","1") = "7"
    & skf18("5","8","4","4","4","4","1") = "7"
    & skf18("5","8","4","4","4","5","1") = "7"
    & skf18("5","8","4","4","4","6","1") = "7"
    & skf18("5","8","4","4","4","7","1") = "7"
    & skf18("5","8","4","4","4","8","1") = "7"
    & skf18("5","8","4","4","4","9","1") = "8"
    & skf18("5","8","4","4","4","10","1") = "9"
    & skf18("5","8","4","4","5","1","1") = "7"
    & skf18("5","8","4","4","5","2","1") = "7"
    & skf18("5","8","4","4","5","3","1") = "7"
    & skf18("5","8","4","4","5","4","1") = "7"
    & skf18("5","8","4","4","5","5","1") = "7"
    & skf18("5","8","4","4","5","6","1") = "7"
    & skf18("5","8","4","4","5","7","1") = "7"
    & skf18("5","8","4","4","5","8","1") = "7"
    & skf18("5","8","4","4","5","9","1") = "8"
    & skf18("5","8","4","4","5","10","1") = "9"
    & skf18("5","8","4","4","6","1","1") = "7"
    & skf18("5","8","4","4","6","2","1") = "7"
    & skf18("5","8","4","4","6","3","1") = "7"
    & skf18("5","8","4","4","6","4","1") = "7"
    & skf18("5","8","4","4","6","5","1") = "7"
    & skf18("5","8","4","4","6","6","1") = "7"
    & skf18("5","8","4","4","6","7","1") = "7"
    & skf18("5","8","4","4","6","8","1") = "7"
    & skf18("5","8","4","4","6","9","1") = "8"
    & skf18("5","8","4","4","6","10","1") = "9"
    & skf18("5","8","4","4","7","1","1") = "7"
    & skf18("5","8","4","4","7","2","1") = "7"
    & skf18("5","8","4","4","7","3","1") = "7"
    & skf18("5","8","4","4","7","4","1") = "7"
    & skf18("5","8","4","4","7","5","1") = "7"
    & skf18("5","8","4","4","7","6","1") = "7"
    & skf18("5","8","4","4","7","7","1") = "7"
    & skf18("5","8","4","4","7","8","1") = "7"
    & skf18("5","8","4","4","7","9","1") = "8"
    & skf18("5","8","4","4","7","10","1") = "9"
    & skf18("5","8","4","4","8","1","1") = "7"
    & skf18("5","8","4","4","8","2","1") = "7"
    & skf18("5","8","4","4","8","3","1") = "7"
    & skf18("5","8","4","4","8","4","1") = "7"
    & skf18("5","8","4","4","8","5","1") = "7"
    & skf18("5","8","4","4","8","6","1") = "7"
    & skf18("5","8","4","4","8","7","1") = "7"
    & skf18("5","8","4","4","8","8","1") = "7"
    & skf18("5","8","4","4","8","9","1") = "8"
    & skf18("5","8","4","4","8","10","1") = "9"
    & skf18("5","8","4","4","9","1","1") = "8"
    & skf18("5","8","4","4","9","2","1") = "8"
    & skf18("5","8","4","4","9","3","1") = "8"
    & skf18("5","8","4","4","9","4","1") = "8"
    & skf18("5","8","4","4","9","5","1") = "8"
    & skf18("5","8","4","4","9","6","1") = "8"
    & skf18("5","8","4","4","9","7","1") = "8"
    & skf18("5","8","4","4","9","8","1") = "8"
    & skf18("5","8","4","4","9","9","1") = "8"
    & skf18("5","8","4","4","9","10","1") = "9"
    & skf18("5","8","4","4","10","1","1") = "9"
    & skf18("5","8","4","4","10","2","1") = "9"
    & skf18("5","8","4","4","10","3","1") = "9"
    & skf18("5","8","4","4","10","4","1") = "9"
    & skf18("5","8","4","4","10","5","1") = "9"
    & skf18("5","8","4","4","10","6","1") = "9"
    & skf18("5","8","4","4","10","7","1") = "9"
    & skf18("5","8","4","4","10","8","1") = "9"
    & skf18("5","8","4","4","10","9","1") = "9"
    & skf18("5","8","4","4","10","10","1") = "9"
    & skf18("5","8","4","5","1","1","1") = "7"
    & skf18("5","8","4","5","1","2","1") = "7"
    & skf18("5","8","4","5","1","3","1") = "7"
    & skf18("5","8","4","5","1","4","1") = "7"
    & skf18("5","8","4","5","1","5","1") = "7"
    & skf18("5","8","4","5","1","6","1") = "7"
    & skf18("5","8","4","5","1","7","1") = "7"
    & skf18("5","8","4","5","1","8","1") = "7"
    & skf18("5","8","4","5","1","9","1") = "8"
    & skf18("5","8","4","5","1","10","1") = "9"
    & skf18("5","8","4","5","2","1","1") = "7"
    & skf18("5","8","4","5","2","2","1") = "7"
    & skf18("5","8","4","5","2","3","1") = "7"
    & skf18("5","8","4","5","2","4","1") = "7"
    & skf18("5","8","4","5","2","5","1") = "7"
    & skf18("5","8","4","5","2","6","1") = "7"
    & skf18("5","8","4","5","2","7","1") = "7"
    & skf18("5","8","4","5","2","8","1") = "7"
    & skf18("5","8","4","5","2","9","1") = "8"
    & skf18("5","8","4","5","2","10","1") = "9"
    & skf18("5","8","4","5","3","1","1") = "7"
    & skf18("5","8","4","5","3","2","1") = "7"
    & skf18("5","8","4","5","3","3","1") = "7"
    & skf18("5","8","4","5","3","4","1") = "7"
    & skf18("5","8","4","5","3","5","1") = "7"
    & skf18("5","8","4","5","3","6","1") = "7"
    & skf18("5","8","4","5","3","7","1") = "7"
    & skf18("5","8","4","5","3","8","1") = "7"
    & skf18("5","8","4","5","3","9","1") = "8"
    & skf18("5","8","4","5","3","10","1") = "9"
    & skf18("5","8","4","5","4","1","1") = "7"
    & skf18("5","8","4","5","4","2","1") = "7"
    & skf18("5","8","4","5","4","3","1") = "7"
    & skf18("5","8","4","5","4","4","1") = "7"
    & skf18("5","8","4","5","4","5","1") = "7"
    & skf18("5","8","4","5","4","6","1") = "7"
    & skf18("5","8","4","5","4","7","1") = "7"
    & skf18("5","8","4","5","4","8","1") = "7"
    & skf18("5","8","4","5","4","9","1") = "8"
    & skf18("5","8","4","5","4","10","1") = "9"
    & skf18("5","8","4","5","5","1","1") = "7"
    & skf18("5","8","4","5","5","2","1") = "7"
    & skf18("5","8","4","5","5","3","1") = "7"
    & skf18("5","8","4","5","5","4","1") = "7"
    & skf18("5","8","4","5","5","5","1") = "7"
    & skf18("5","8","4","5","5","6","1") = "7"
    & skf18("5","8","4","5","5","7","1") = "7"
    & skf18("5","8","4","5","5","8","1") = "7"
    & skf18("5","8","4","5","5","9","1") = "8"
    & skf18("5","8","4","5","5","10","1") = "9"
    & skf18("5","8","4","5","6","1","1") = "7"
    & skf18("5","8","4","5","6","2","1") = "7"
    & skf18("5","8","4","5","6","3","1") = "7"
    & skf18("5","8","4","5","6","4","1") = "7"
    & skf18("5","8","4","5","6","5","1") = "7"
    & skf18("5","8","4","5","6","6","1") = "7"
    & skf18("5","8","4","5","6","7","1") = "7"
    & skf18("5","8","4","5","6","8","1") = "7"
    & skf18("5","8","4","5","6","9","1") = "8"
    & skf18("5","8","4","5","6","10","1") = "9"
    & skf18("5","8","4","5","7","1","1") = "7"
    & skf18("5","8","4","5","7","2","1") = "7"
    & skf18("5","8","4","5","7","3","1") = "7"
    & skf18("5","8","4","5","7","4","1") = "7"
    & skf18("5","8","4","5","7","5","1") = "7"
    & skf18("5","8","4","5","7","6","1") = "7"
    & skf18("5","8","4","5","7","7","1") = "7"
    & skf18("5","8","4","5","7","8","1") = "7"
    & skf18("5","8","4","5","7","9","1") = "8"
    & skf18("5","8","4","5","7","10","1") = "9"
    & skf18("5","8","4","5","8","1","1") = "7"
    & skf18("5","8","4","5","8","2","1") = "7"
    & skf18("5","8","4","5","8","3","1") = "7"
    & skf18("5","8","4","5","8","4","1") = "7"
    & skf18("5","8","4","5","8","5","1") = "7"
    & skf18("5","8","4","5","8","6","1") = "7"
    & skf18("5","8","4","5","8","7","1") = "7"
    & skf18("5","8","4","5","8","8","1") = "7"
    & skf18("5","8","4","5","8","9","1") = "8"
    & skf18("5","8","4","5","8","10","1") = "9"
    & skf18("5","8","4","5","9","1","1") = "8"
    & skf18("5","8","4","5","9","2","1") = "8"
    & skf18("5","8","4","5","9","3","1") = "8"
    & skf18("5","8","4","5","9","4","1") = "8"
    & skf18("5","8","4","5","9","5","1") = "8"
    & skf18("5","8","4","5","9","6","1") = "8"
    & skf18("5","8","4","5","9","7","1") = "8"
    & skf18("5","8","4","5","9","8","1") = "8"
    & skf18("5","8","4","5","9","9","1") = "8"
    & skf18("5","8","4","5","9","10","1") = "9"
    & skf18("5","8","4","5","10","1","1") = "9"
    & skf18("5","8","4","5","10","2","1") = "9"
    & skf18("5","8","4","5","10","3","1") = "9"
    & skf18("5","8","4","5","10","4","1") = "9"
    & skf18("5","8","4","5","10","5","1") = "9"
    & skf18("5","8","4","5","10","6","1") = "9"
    & skf18("5","8","4","5","10","7","1") = "9"
    & skf18("5","8","4","5","10","8","1") = "9"
    & skf18("5","8","4","5","10","9","1") = "9"
    & skf18("5","8","4","5","10","10","1") = "9"
    & skf18("5","8","4","6","1","1","1") = "7"
    & skf18("5","8","4","6","1","2","1") = "7"
    & skf18("5","8","4","6","1","3","1") = "7"
    & skf18("5","8","4","6","1","4","1") = "7"
    & skf18("5","8","4","6","1","5","1") = "7"
    & skf18("5","8","4","6","1","6","1") = "7"
    & skf18("5","8","4","6","1","7","1") = "7"
    & skf18("5","8","4","6","1","8","1") = "7"
    & skf18("5","8","4","6","1","9","1") = "8"
    & skf18("5","8","4","6","1","10","1") = "9"
    & skf18("5","8","4","6","2","1","1") = "7"
    & skf18("5","8","4","6","2","2","1") = "7"
    & skf18("5","8","4","6","2","3","1") = "7"
    & skf18("5","8","4","6","2","4","1") = "7"
    & skf18("5","8","4","6","2","5","1") = "7"
    & skf18("5","8","4","6","2","6","1") = "7"
    & skf18("5","8","4","6","2","7","1") = "7"
    & skf18("5","8","4","6","2","8","1") = "7"
    & skf18("5","8","4","6","2","9","1") = "8"
    & skf18("5","8","4","6","2","10","1") = "9"
    & skf18("5","8","4","6","3","1","1") = "7"
    & skf18("5","8","4","6","3","2","1") = "7"
    & skf18("5","8","4","6","3","3","1") = "7"
    & skf18("5","8","4","6","3","4","1") = "7"
    & skf18("5","8","4","6","3","5","1") = "7"
    & skf18("5","8","4","6","3","6","1") = "7"
    & skf18("5","8","4","6","3","7","1") = "7"
    & skf18("5","8","4","6","3","8","1") = "7"
    & skf18("5","8","4","6","3","9","1") = "8"
    & skf18("5","8","4","6","3","10","1") = "9"
    & skf18("5","8","4","6","4","1","1") = "7"
    & skf18("5","8","4","6","4","2","1") = "7"
    & skf18("5","8","4","6","4","3","1") = "7"
    & skf18("5","8","4","6","4","4","1") = "7"
    & skf18("5","8","4","6","4","5","1") = "7"
    & skf18("5","8","4","6","4","6","1") = "7"
    & skf18("5","8","4","6","4","7","1") = "7"
    & skf18("5","8","4","6","4","8","1") = "7"
    & skf18("5","8","4","6","4","9","1") = "8"
    & skf18("5","8","4","6","4","10","1") = "9"
    & skf18("5","8","4","6","5","1","1") = "7"
    & skf18("5","8","4","6","5","2","1") = "7"
    & skf18("5","8","4","6","5","3","1") = "7"
    & skf18("5","8","4","6","5","4","1") = "7"
    & skf18("5","8","4","6","5","5","1") = "7"
    & skf18("5","8","4","6","5","6","1") = "7"
    & skf18("5","8","4","6","5","7","1") = "7"
    & skf18("5","8","4","6","5","8","1") = "7"
    & skf18("5","8","4","6","5","9","1") = "8"
    & skf18("5","8","4","6","5","10","1") = "9"
    & skf18("5","8","4","6","6","1","1") = "7"
    & skf18("5","8","4","6","6","2","1") = "7"
    & skf18("5","8","4","6","6","3","1") = "7"
    & skf18("5","8","4","6","6","4","1") = "7"
    & skf18("5","8","4","6","6","5","1") = "7"
    & skf18("5","8","4","6","6","6","1") = "7"
    & skf18("5","8","4","6","6","7","1") = "7"
    & skf18("5","8","4","6","6","8","1") = "7"
    & skf18("5","8","4","6","6","9","1") = "8"
    & skf18("5","8","4","6","6","10","1") = "9"
    & skf18("5","8","4","6","7","1","1") = "7"
    & skf18("5","8","4","6","7","2","1") = "7"
    & skf18("5","8","4","6","7","3","1") = "7"
    & skf18("5","8","4","6","7","4","1") = "7"
    & skf18("5","8","4","6","7","5","1") = "7"
    & skf18("5","8","4","6","7","6","1") = "7"
    & skf18("5","8","4","6","7","7","1") = "7"
    & skf18("5","8","4","6","7","8","1") = "7"
    & skf18("5","8","4","6","7","9","1") = "8"
    & skf18("5","8","4","6","7","10","1") = "9"
    & skf18("5","8","4","6","8","1","1") = "7"
    & skf18("5","8","4","6","8","2","1") = "7"
    & skf18("5","8","4","6","8","3","1") = "7"
    & skf18("5","8","4","6","8","4","1") = "7"
    & skf18("5","8","4","6","8","5","1") = "7"
    & skf18("5","8","4","6","8","6","1") = "7"
    & skf18("5","8","4","6","8","7","1") = "7"
    & skf18("5","8","4","6","8","8","1") = "7"
    & skf18("5","8","4","6","8","9","1") = "8"
    & skf18("5","8","4","6","8","10","1") = "9"
    & skf18("5","8","4","6","9","1","1") = "8"
    & skf18("5","8","4","6","9","2","1") = "8"
    & skf18("5","8","4","6","9","3","1") = "8"
    & skf18("5","8","4","6","9","4","1") = "8"
    & skf18("5","8","4","6","9","5","1") = "8"
    & skf18("5","8","4","6","9","6","1") = "8"
    & skf18("5","8","4","6","9","7","1") = "8"
    & skf18("5","8","4","6","9","8","1") = "8"
    & skf18("5","8","4","6","9","9","1") = "8"
    & skf18("5","8","4","6","9","10","1") = "9"
    & skf18("5","8","4","6","10","1","1") = "9"
    & skf18("5","8","4","6","10","2","1") = "9"
    & skf18("5","8","4","6","10","3","1") = "9"
    & skf18("5","8","4","6","10","4","1") = "9"
    & skf18("5","8","4","6","10","5","1") = "9"
    & skf18("5","8","4","6","10","6","1") = "9"
    & skf18("5","8","4","6","10","7","1") = "9"
    & skf18("5","8","4","6","10","8","1") = "9"
    & skf18("5","8","4","6","10","9","1") = "9"
    & skf18("5","8","4","6","10","10","1") = "9"
    & skf18("5","8","4","7","1","1","1") = "7"
    & skf18("5","8","4","7","1","2","1") = "7"
    & skf18("5","8","4","7","1","3","1") = "7"
    & skf18("5","8","4","7","1","4","1") = "7"
    & skf18("5","8","4","7","1","5","1") = "7"
    & skf18("5","8","4","7","1","6","1") = "7"
    & skf18("5","8","4","7","1","7","1") = "7"
    & skf18("5","8","4","7","1","8","1") = "7"
    & skf18("5","8","4","7","1","9","1") = "8"
    & skf18("5","8","4","7","1","10","1") = "9"
    & skf18("5","8","4","7","2","1","1") = "7"
    & skf18("5","8","4","7","2","2","1") = "7"
    & skf18("5","8","4","7","2","3","1") = "7"
    & skf18("5","8","4","7","2","4","1") = "7"
    & skf18("5","8","4","7","2","5","1") = "7"
    & skf18("5","8","4","7","2","6","1") = "7"
    & skf18("5","8","4","7","2","7","1") = "7"
    & skf18("5","8","4","7","2","8","1") = "7"
    & skf18("5","8","4","7","2","9","1") = "8"
    & skf18("5","8","4","7","2","10","1") = "9"
    & skf18("5","8","4","7","3","1","1") = "7"
    & skf18("5","8","4","7","3","2","1") = "7"
    & skf18("5","8","4","7","3","3","1") = "7"
    & skf18("5","8","4","7","3","4","1") = "7"
    & skf18("5","8","4","7","3","5","1") = "7"
    & skf18("5","8","4","7","3","6","1") = "7"
    & skf18("5","8","4","7","3","7","1") = "7"
    & skf18("5","8","4","7","3","8","1") = "7"
    & skf18("5","8","4","7","3","9","1") = "8"
    & skf18("5","8","4","7","3","10","1") = "9"
    & skf18("5","8","4","7","4","1","1") = "7"
    & skf18("5","8","4","7","4","2","1") = "7"
    & skf18("5","8","4","7","4","3","1") = "7"
    & skf18("5","8","4","7","4","4","1") = "7"
    & skf18("5","8","4","7","4","5","1") = "7"
    & skf18("5","8","4","7","4","6","1") = "7"
    & skf18("5","8","4","7","4","7","1") = "7"
    & skf18("5","8","4","7","4","8","1") = "7"
    & skf18("5","8","4","7","4","9","1") = "8"
    & skf18("5","8","4","7","4","10","1") = "9"
    & skf18("5","8","4","7","5","1","1") = "7"
    & skf18("5","8","4","7","5","2","1") = "7"
    & skf18("5","8","4","7","5","3","1") = "7"
    & skf18("5","8","4","7","5","4","1") = "7"
    & skf18("5","8","4","7","5","5","1") = "7"
    & skf18("5","8","4","7","5","6","1") = "7"
    & skf18("5","8","4","7","5","7","1") = "7"
    & skf18("5","8","4","7","5","8","1") = "7"
    & skf18("5","8","4","7","5","9","1") = "8"
    & skf18("5","8","4","7","5","10","1") = "9"
    & skf18("5","8","4","7","6","1","1") = "7"
    & skf18("5","8","4","7","6","2","1") = "7"
    & skf18("5","8","4","7","6","3","1") = "7"
    & skf18("5","8","4","7","6","4","1") = "7"
    & skf18("5","8","4","7","6","5","1") = "7"
    & skf18("5","8","4","7","6","6","1") = "7"
    & skf18("5","8","4","7","6","7","1") = "7"
    & skf18("5","8","4","7","6","8","1") = "7"
    & skf18("5","8","4","7","6","9","1") = "8"
    & skf18("5","8","4","7","6","10","1") = "9"
    & skf18("5","8","4","7","7","1","1") = "7"
    & skf18("5","8","4","7","7","2","1") = "7"
    & skf18("5","8","4","7","7","3","1") = "7"
    & skf18("5","8","4","7","7","4","1") = "7"
    & skf18("5","8","4","7","7","5","1") = "7"
    & skf18("5","8","4","7","7","6","1") = "7"
    & skf18("5","8","4","7","7","7","1") = "7"
    & skf18("5","8","4","7","7","8","1") = "7"
    & skf18("5","8","4","7","7","9","1") = "8"
    & skf18("5","8","4","7","7","10","1") = "9"
    & skf18("5","8","4","7","8","1","1") = "7"
    & skf18("5","8","4","7","8","2","1") = "7"
    & skf18("5","8","4","7","8","3","1") = "7"
    & skf18("5","8","4","7","8","4","1") = "7"
    & skf18("5","8","4","7","8","5","1") = "7"
    & skf18("5","8","4","7","8","6","1") = "7"
    & skf18("5","8","4","7","8","7","1") = "7"
    & skf18("5","8","4","7","8","8","1") = "7"
    & skf18("5","8","4","7","8","9","1") = "8"
    & skf18("5","8","4","7","8","10","1") = "9"
    & skf18("5","8","4","7","9","1","1") = "8"
    & skf18("5","8","4","7","9","2","1") = "8"
    & skf18("5","8","4","7","9","3","1") = "8"
    & skf18("5","8","4","7","9","4","1") = "8"
    & skf18("5","8","4","7","9","5","1") = "8"
    & skf18("5","8","4","7","9","6","1") = "8"
    & skf18("5","8","4","7","9","7","1") = "8"
    & skf18("5","8","4","7","9","8","1") = "8"
    & skf18("5","8","4","7","9","9","1") = "8"
    & skf18("5","8","4","7","9","10","1") = "9"
    & skf18("5","8","4","7","10","1","1") = "9"
    & skf18("5","8","4","7","10","2","1") = "9"
    & skf18("5","8","4","7","10","3","1") = "9"
    & skf18("5","8","4","7","10","4","1") = "9"
    & skf18("5","8","4","7","10","5","1") = "9"
    & skf18("5","8","4","7","10","6","1") = "9"
    & skf18("5","8","4","7","10","7","1") = "9"
    & skf18("5","8","4","7","10","8","1") = "9"
    & skf18("5","8","4","7","10","9","1") = "9"
    & skf18("5","8","4","7","10","10","1") = "9"
    & skf18("5","8","4","8","1","1","1") = "7"
    & skf18("5","8","4","8","1","2","1") = "7"
    & skf18("5","8","4","8","1","3","1") = "7"
    & skf18("5","8","4","8","1","4","1") = "7"
    & skf18("5","8","4","8","1","5","1") = "7"
    & skf18("5","8","4","8","1","6","1") = "7"
    & skf18("5","8","4","8","1","7","1") = "7"
    & skf18("5","8","4","8","1","8","1") = "7"
    & skf18("5","8","4","8","1","9","1") = "8"
    & skf18("5","8","4","8","1","10","1") = "9"
    & skf18("5","8","4","8","2","1","1") = "7"
    & skf18("5","8","4","8","2","2","1") = "7"
    & skf18("5","8","4","8","2","3","1") = "7"
    & skf18("5","8","4","8","2","4","1") = "7"
    & skf18("5","8","4","8","2","5","1") = "7"
    & skf18("5","8","4","8","2","6","1") = "7"
    & skf18("5","8","4","8","2","7","1") = "7"
    & skf18("5","8","4","8","2","8","1") = "7"
    & skf18("5","8","4","8","2","9","1") = "8"
    & skf18("5","8","4","8","2","10","1") = "9"
    & skf18("5","8","4","8","3","1","1") = "7"
    & skf18("5","8","4","8","3","2","1") = "7"
    & skf18("5","8","4","8","3","3","1") = "7"
    & skf18("5","8","4","8","3","4","1") = "7"
    & skf18("5","8","4","8","3","5","1") = "7"
    & skf18("5","8","4","8","3","6","1") = "7"
    & skf18("5","8","4","8","3","7","1") = "7"
    & skf18("5","8","4","8","3","8","1") = "7"
    & skf18("5","8","4","8","3","9","1") = "8"
    & skf18("5","8","4","8","3","10","1") = "9"
    & skf18("5","8","4","8","4","1","1") = "7"
    & skf18("5","8","4","8","4","2","1") = "7"
    & skf18("5","8","4","8","4","3","1") = "7"
    & skf18("5","8","4","8","4","4","1") = "7"
    & skf18("5","8","4","8","4","5","1") = "7"
    & skf18("5","8","4","8","4","6","1") = "7"
    & skf18("5","8","4","8","4","7","1") = "7"
    & skf18("5","8","4","8","4","8","1") = "7"
    & skf18("5","8","4","8","4","9","1") = "8"
    & skf18("5","8","4","8","4","10","1") = "9"
    & skf18("5","8","4","8","5","1","1") = "7"
    & skf18("5","8","4","8","5","2","1") = "7"
    & skf18("5","8","4","8","5","3","1") = "7"
    & skf18("5","8","4","8","5","4","1") = "7"
    & skf18("5","8","4","8","5","5","1") = "7"
    & skf18("5","8","4","8","5","6","1") = "7"
    & skf18("5","8","4","8","5","7","1") = "7"
    & skf18("5","8","4","8","5","8","1") = "7"
    & skf18("5","8","4","8","5","9","1") = "8"
    & skf18("5","8","4","8","5","10","1") = "9"
    & skf18("5","8","4","8","6","1","1") = "7"
    & skf18("5","8","4","8","6","2","1") = "7"
    & skf18("5","8","4","8","6","3","1") = "7"
    & skf18("5","8","4","8","6","4","1") = "7"
    & skf18("5","8","4","8","6","5","1") = "7"
    & skf18("5","8","4","8","6","6","1") = "7"
    & skf18("5","8","4","8","6","7","1") = "7"
    & skf18("5","8","4","8","6","8","1") = "7"
    & skf18("5","8","4","8","6","9","1") = "8"
    & skf18("5","8","4","8","6","10","1") = "9"
    & skf18("5","8","4","8","7","1","1") = "7"
    & skf18("5","8","4","8","7","2","1") = "7"
    & skf18("5","8","4","8","7","3","1") = "7"
    & skf18("5","8","4","8","7","4","1") = "7"
    & skf18("5","8","4","8","7","5","1") = "7"
    & skf18("5","8","4","8","7","6","1") = "7"
    & skf18("5","8","4","8","7","7","1") = "7"
    & skf18("5","8","4","8","7","8","1") = "7"
    & skf18("5","8","4","8","7","9","1") = "8"
    & skf18("5","8","4","8","7","10","1") = "9"
    & skf18("5","8","4","8","8","1","1") = "7"
    & skf18("5","8","4","8","8","2","1") = "7"
    & skf18("5","8","4","8","8","3","1") = "7"
    & skf18("5","8","4","8","8","4","1") = "7"
    & skf18("5","8","4","8","8","5","1") = "7"
    & skf18("5","8","4","8","8","6","1") = "7"
    & skf18("5","8","4","8","8","7","1") = "7"
    & skf18("5","8","4","8","8","8","1") = "7"
    & skf18("5","8","4","8","8","9","1") = "8"
    & skf18("5","8","4","8","8","10","1") = "9"
    & skf18("5","8","4","8","9","1","1") = "8"
    & skf18("5","8","4","8","9","2","1") = "8"
    & skf18("5","8","4","8","9","3","1") = "8"
    & skf18("5","8","4","8","9","4","1") = "8"
    & skf18("5","8","4","8","9","5","1") = "8"
    & skf18("5","8","4","8","9","6","1") = "8"
    & skf18("5","8","4","8","9","7","1") = "8"
    & skf18("5","8","4","8","9","8","1") = "8"
    & skf18("5","8","4","8","9","9","1") = "8"
    & skf18("5","8","4","8","9","10","1") = "9"
    & skf18("5","8","4","8","10","1","1") = "9"
    & skf18("5","8","4","8","10","2","1") = "9"
    & skf18("5","8","4","8","10","3","1") = "9"
    & skf18("5","8","4","8","10","4","1") = "9"
    & skf18("5","8","4","8","10","5","1") = "9"
    & skf18("5","8","4","8","10","6","1") = "9"
    & skf18("5","8","4","8","10","7","1") = "9"
    & skf18("5","8","4","8","10","8","1") = "9"
    & skf18("5","8","4","8","10","9","1") = "9"
    & skf18("5","8","4","8","10","10","1") = "9"
    & skf18("5","8","4","9","1","1","1") = "8"
    & skf18("5","8","4","9","1","2","1") = "8"
    & skf18("5","8","4","9","1","3","1") = "8"
    & skf18("5","8","4","9","1","4","1") = "8"
    & skf18("5","8","4","9","1","5","1") = "8"
    & skf18("5","8","4","9","1","6","1") = "8"
    & skf18("5","8","4","9","1","7","1") = "8"
    & skf18("5","8","4","9","1","8","1") = "8"
    & skf18("5","8","4","9","1","9","1") = "8"
    & skf18("5","8","4","9","1","10","1") = "9"
    & skf18("5","8","4","9","2","1","1") = "8"
    & skf18("5","8","4","9","2","2","1") = "8"
    & skf18("5","8","4","9","2","3","1") = "8"
    & skf18("5","8","4","9","2","4","1") = "8"
    & skf18("5","8","4","9","2","5","1") = "8"
    & skf18("5","8","4","9","2","6","1") = "8"
    & skf18("5","8","4","9","2","7","1") = "8"
    & skf18("5","8","4","9","2","8","1") = "8"
    & skf18("5","8","4","9","2","9","1") = "8"
    & skf18("5","8","4","9","2","10","1") = "9"
    & skf18("5","8","4","9","3","1","1") = "8"
    & skf18("5","8","4","9","3","2","1") = "8"
    & skf18("5","8","4","9","3","3","1") = "8"
    & skf18("5","8","4","9","3","4","1") = "8"
    & skf18("5","8","4","9","3","5","1") = "8"
    & skf18("5","8","4","9","3","6","1") = "8"
    & skf18("5","8","4","9","3","7","1") = "8"
    & skf18("5","8","4","9","3","8","1") = "8"
    & skf18("5","8","4","9","3","9","1") = "8"
    & skf18("5","8","4","9","3","10","1") = "9"
    & skf18("5","8","4","9","4","1","1") = "8"
    & skf18("5","8","4","9","4","2","1") = "8"
    & skf18("5","8","4","9","4","3","1") = "8"
    & skf18("5","8","4","9","4","4","1") = "8"
    & skf18("5","8","4","9","4","5","1") = "8"
    & skf18("5","8","4","9","4","6","1") = "8"
    & skf18("5","8","4","9","4","7","1") = "8"
    & skf18("5","8","4","9","4","8","1") = "8"
    & skf18("5","8","4","9","4","9","1") = "8"
    & skf18("5","8","4","9","4","10","1") = "9"
    & skf18("5","8","4","9","5","1","1") = "8"
    & skf18("5","8","4","9","5","2","1") = "8"
    & skf18("5","8","4","9","5","3","1") = "8"
    & skf18("5","8","4","9","5","4","1") = "8"
    & skf18("5","8","4","9","5","5","1") = "8"
    & skf18("5","8","4","9","5","6","1") = "8"
    & skf18("5","8","4","9","5","7","1") = "8"
    & skf18("5","8","4","9","5","8","1") = "8"
    & skf18("5","8","4","9","5","9","1") = "8"
    & skf18("5","8","4","9","5","10","1") = "9"
    & skf18("5","8","4","9","6","1","1") = "8"
    & skf18("5","8","4","9","6","2","1") = "8"
    & skf18("5","8","4","9","6","3","1") = "8"
    & skf18("5","8","4","9","6","4","1") = "8"
    & skf18("5","8","4","9","6","5","1") = "8"
    & skf18("5","8","4","9","6","6","1") = "8"
    & skf18("5","8","4","9","6","7","1") = "8"
    & skf18("5","8","4","9","6","8","1") = "8"
    & skf18("5","8","4","9","6","9","1") = "8"
    & skf18("5","8","4","9","6","10","1") = "9"
    & skf18("5","8","4","9","7","1","1") = "8"
    & skf18("5","8","4","9","7","2","1") = "8"
    & skf18("5","8","4","9","7","3","1") = "8"
    & skf18("5","8","4","9","7","4","1") = "8"
    & skf18("5","8","4","9","7","5","1") = "8"
    & skf18("5","8","4","9","7","6","1") = "8"
    & skf18("5","8","4","9","7","7","1") = "8"
    & skf18("5","8","4","9","7","8","1") = "8"
    & skf18("5","8","4","9","7","9","1") = "8"
    & skf18("5","8","4","9","7","10","1") = "9"
    & skf18("5","8","4","9","8","1","1") = "8"
    & skf18("5","8","4","9","8","2","1") = "8"
    & skf18("5","8","4","9","8","3","1") = "8"
    & skf18("5","8","4","9","8","4","1") = "8"
    & skf18("5","8","4","9","8","5","1") = "8"
    & skf18("5","8","4","9","8","6","1") = "8"
    & skf18("5","8","4","9","8","7","1") = "8"
    & skf18("5","8","4","9","8","8","1") = "8"
    & skf18("5","8","4","9","8","9","1") = "8"
    & skf18("5","8","4","9","8","10","1") = "9"
    & skf18("5","8","4","9","9","1","1") = "8"
    & skf18("5","8","4","9","9","2","1") = "8"
    & skf18("5","8","4","9","9","3","1") = "8"
    & skf18("5","8","4","9","9","4","1") = "8"
    & skf18("5","8","4","9","9","5","1") = "8"
    & skf18("5","8","4","9","9","6","1") = "8"
    & skf18("5","8","4","9","9","7","1") = "8"
    & skf18("5","8","4","9","9","8","1") = "8"
    & skf18("5","8","4","9","9","9","1") = "8"
    & skf18("5","8","4","9","9","10","1") = "9"
    & skf18("5","8","4","9","10","1","1") = "9"
    & skf18("5","8","4","9","10","2","1") = "9"
    & skf18("5","8","4","9","10","3","1") = "9"
    & skf18("5","8","4","9","10","4","1") = "9"
    & skf18("5","8","4","9","10","5","1") = "9"
    & skf18("5","8","4","9","10","6","1") = "9"
    & skf18("5","8","4","9","10","7","1") = "9"
    & skf18("5","8","4","9","10","8","1") = "9"
    & skf18("5","8","4","9","10","9","1") = "9"
    & skf18("5","8","4","9","10","10","1") = "9"
    & skf18("5","8","4","10","1","1","1") = "9"
    & skf18("5","8","4","10","1","2","1") = "9"
    & skf18("5","8","4","10","1","3","1") = "9"
    & skf18("5","8","4","10","1","4","1") = "9"
    & skf18("5","8","4","10","1","5","1") = "9"
    & skf18("5","8","4","10","1","6","1") = "9"
    & skf18("5","8","4","10","1","7","1") = "9"
    & skf18("5","8","4","10","1","8","1") = "9"
    & skf18("5","8","4","10","1","9","1") = "9"
    & skf18("5","8","4","10","1","10","1") = "9"
    & skf18("5","8","4","10","2","1","1") = "9"
    & skf18("5","8","4","10","2","2","1") = "9"
    & skf18("5","8","4","10","2","3","1") = "9"
    & skf18("5","8","4","10","2","4","1") = "9"
    & skf18("5","8","4","10","2","5","1") = "9"
    & skf18("5","8","4","10","2","6","1") = "9"
    & skf18("5","8","4","10","2","7","1") = "9"
    & skf18("5","8","4","10","2","8","1") = "9"
    & skf18("5","8","4","10","2","9","1") = "9"
    & skf18("5","8","4","10","2","10","1") = "9"
    & skf18("5","8","4","10","3","1","1") = "9"
    & skf18("5","8","4","10","3","2","1") = "9"
    & skf18("5","8","4","10","3","3","1") = "9"
    & skf18("5","8","4","10","3","4","1") = "9"
    & skf18("5","8","4","10","3","5","1") = "9"
    & skf18("5","8","4","10","3","6","1") = "9"
    & skf18("5","8","4","10","3","7","1") = "9"
    & skf18("5","8","4","10","3","8","1") = "9"
    & skf18("5","8","4","10","3","9","1") = "9"
    & skf18("5","8","4","10","3","10","1") = "9"
    & skf18("5","8","4","10","4","1","1") = "9"
    & skf18("5","8","4","10","4","2","1") = "9"
    & skf18("5","8","4","10","4","3","1") = "9"
    & skf18("5","8","4","10","4","4","1") = "9"
    & skf18("5","8","4","10","4","5","1") = "9"
    & skf18("5","8","4","10","4","6","1") = "9"
    & skf18("5","8","4","10","4","7","1") = "9"
    & skf18("5","8","4","10","4","8","1") = "9"
    & skf18("5","8","4","10","4","9","1") = "9"
    & skf18("5","8","4","10","4","10","1") = "9"
    & skf18("5","8","4","10","5","1","1") = "9"
    & skf18("5","8","4","10","5","2","1") = "9"
    & skf18("5","8","4","10","5","3","1") = "9"
    & skf18("5","8","4","10","5","4","1") = "9"
    & skf18("5","8","4","10","5","5","1") = "9"
    & skf18("5","8","4","10","5","6","1") = "9"
    & skf18("5","8","4","10","5","7","1") = "9"
    & skf18("5","8","4","10","5","8","1") = "9"
    & skf18("5","8","4","10","5","9","1") = "9"
    & skf18("5","8","4","10","5","10","1") = "9"
    & skf18("5","8","4","10","6","1","1") = "9"
    & skf18("5","8","4","10","6","2","1") = "9"
    & skf18("5","8","4","10","6","3","1") = "9"
    & skf18("5","8","4","10","6","4","1") = "9"
    & skf18("5","8","4","10","6","5","1") = "9"
    & skf18("5","8","4","10","6","6","1") = "9"
    & skf18("5","8","4","10","6","7","1") = "9"
    & skf18("5","8","4","10","6","8","1") = "9"
    & skf18("5","8","4","10","6","9","1") = "9"
    & skf18("5","8","4","10","6","10","1") = "9"
    & skf18("5","8","4","10","7","1","1") = "9"
    & skf18("5","8","4","10","7","2","1") = "9"
    & skf18("5","8","4","10","7","3","1") = "9"
    & skf18("5","8","4","10","7","4","1") = "9"
    & skf18("5","8","4","10","7","5","1") = "9"
    & skf18("5","8","4","10","7","6","1") = "9"
    & skf18("5","8","4","10","7","7","1") = "9"
    & skf18("5","8","4","10","7","8","1") = "9"
    & skf18("5","8","4","10","7","9","1") = "9"
    & skf18("5","8","4","10","7","10","1") = "9"
    & skf18("5","8","4","10","8","1","1") = "9"
    & skf18("5","8","4","10","8","2","1") = "9"
    & skf18("5","8","4","10","8","3","1") = "9"
    & skf18("5","8","4","10","8","4","1") = "9"
    & skf18("5","8","4","10","8","5","1") = "9"
    & skf18("5","8","4","10","8","6","1") = "9"
    & skf18("5","8","4","10","8","7","1") = "9"
    & skf18("5","8","4","10","8","8","1") = "9"
    & skf18("5","8","4","10","8","9","1") = "9"
    & skf18("5","8","4","10","8","10","1") = "9"
    & skf18("5","8","4","10","9","1","1") = "9"
    & skf18("5","8","4","10","9","2","1") = "9"
    & skf18("5","8","4","10","9","3","1") = "9"
    & skf18("5","8","4","10","9","4","1") = "9"
    & skf18("5","8","4","10","9","5","1") = "9"
    & skf18("5","8","4","10","9","6","1") = "9"
    & skf18("5","8","4","10","9","7","1") = "9"
    & skf18("5","8","4","10","9","8","1") = "9"
    & skf18("5","8","4","10","9","9","1") = "9"
    & skf18("5","8","4","10","9","10","1") = "9"
    & skf18("5","8","4","10","10","1","1") = "9"
    & skf18("5","8","4","10","10","2","1") = "9"
    & skf18("5","8","4","10","10","3","1") = "9"
    & skf18("5","8","4","10","10","4","1") = "9"
    & skf18("5","8","4","10","10","5","1") = "9"
    & skf18("5","8","4","10","10","6","1") = "9"
    & skf18("5","8","4","10","10","7","1") = "9"
    & skf18("5","8","4","10","10","8","1") = "9"
    & skf18("5","8","4","10","10","9","1") = "9"
    & skf18("5","8","4","10","10","10","1") = "9"
    & skf18("5","8","5","1","1","1","1") = "7"
    & skf18("5","8","5","1","1","2","1") = "7"
    & skf18("5","8","5","1","1","3","1") = "7"
    & skf18("5","8","5","1","1","4","1") = "7"
    & skf18("5","8","5","1","1","5","1") = "7"
    & skf18("5","8","5","1","1","6","1") = "7"
    & skf18("5","8","5","1","1","7","1") = "7"
    & skf18("5","8","5","1","1","8","1") = "7"
    & skf18("5","8","5","1","1","9","1") = "8"
    & skf18("5","8","5","1","1","10","1") = "9"
    & skf18("5","8","5","1","2","1","1") = "7"
    & skf18("5","8","5","1","2","2","1") = "7"
    & skf18("5","8","5","1","2","3","1") = "7"
    & skf18("5","8","5","1","2","4","1") = "7"
    & skf18("5","8","5","1","2","5","1") = "7"
    & skf18("5","8","5","1","2","6","1") = "7"
    & skf18("5","8","5","1","2","7","1") = "7"
    & skf18("5","8","5","1","2","8","1") = "7"
    & skf18("5","8","5","1","2","9","1") = "8"
    & skf18("5","8","5","1","2","10","1") = "9"
    & skf18("5","8","5","1","3","1","1") = "7"
    & skf18("5","8","5","1","3","2","1") = "7"
    & skf18("5","8","5","1","3","3","1") = "7"
    & skf18("5","8","5","1","3","4","1") = "7"
    & skf18("5","8","5","1","3","5","1") = "7"
    & skf18("5","8","5","1","3","6","1") = "7"
    & skf18("5","8","5","1","3","7","1") = "7"
    & skf18("5","8","5","1","3","8","1") = "7"
    & skf18("5","8","5","1","3","9","1") = "8"
    & skf18("5","8","5","1","3","10","1") = "9"
    & skf18("5","8","5","1","4","1","1") = "7"
    & skf18("5","8","5","1","4","2","1") = "7"
    & skf18("5","8","5","1","4","3","1") = "7"
    & skf18("5","8","5","1","4","4","1") = "7"
    & skf18("5","8","5","1","4","5","1") = "7"
    & skf18("5","8","5","1","4","6","1") = "7"
    & skf18("5","8","5","1","4","7","1") = "7"
    & skf18("5","8","5","1","4","8","1") = "7"
    & skf18("5","8","5","1","4","9","1") = "8"
    & skf18("5","8","5","1","4","10","1") = "9"
    & skf18("5","8","5","1","5","1","1") = "7"
    & skf18("5","8","5","1","5","2","1") = "7"
    & skf18("5","8","5","1","5","3","1") = "7"
    & skf18("5","8","5","1","5","4","1") = "7"
    & skf18("5","8","5","1","5","5","1") = "7"
    & skf18("5","8","5","1","5","6","1") = "7"
    & skf18("5","8","5","1","5","7","1") = "7"
    & skf18("5","8","5","1","5","8","1") = "7"
    & skf18("5","8","5","1","5","9","1") = "8"
    & skf18("5","8","5","1","5","10","1") = "9"
    & skf18("5","8","5","1","6","1","1") = "7"
    & skf18("5","8","5","1","6","2","1") = "7"
    & skf18("5","8","5","1","6","3","1") = "7"
    & skf18("5","8","5","1","6","4","1") = "7"
    & skf18("5","8","5","1","6","5","1") = "7"
    & skf18("5","8","5","1","6","6","1") = "7"
    & skf18("5","8","5","1","6","7","1") = "7"
    & skf18("5","8","5","1","6","8","1") = "7"
    & skf18("5","8","5","1","6","9","1") = "8"
    & skf18("5","8","5","1","6","10","1") = "9"
    & skf18("5","8","5","1","7","1","1") = "7"
    & skf18("5","8","5","1","7","2","1") = "7"
    & skf18("5","8","5","1","7","3","1") = "7"
    & skf18("5","8","5","1","7","4","1") = "7"
    & skf18("5","8","5","1","7","5","1") = "7"
    & skf18("5","8","5","1","7","6","1") = "7"
    & skf18("5","8","5","1","7","7","1") = "7"
    & skf18("5","8","5","1","7","8","1") = "7"
    & skf18("5","8","5","1","7","9","1") = "8"
    & skf18("5","8","5","1","7","10","1") = "9"
    & skf18("5","8","5","1","8","1","1") = "7"
    & skf18("5","8","5","1","8","2","1") = "7"
    & skf18("5","8","5","1","8","3","1") = "7"
    & skf18("5","8","5","1","8","4","1") = "7"
    & skf18("5","8","5","1","8","5","1") = "7"
    & skf18("5","8","5","1","8","6","1") = "7"
    & skf18("5","8","5","1","8","7","1") = "7"
    & skf18("5","8","5","1","8","8","1") = "7"
    & skf18("5","8","5","1","8","9","1") = "8"
    & skf18("5","8","5","1","8","10","1") = "9"
    & skf18("5","8","5","1","9","1","1") = "8"
    & skf18("5","8","5","1","9","2","1") = "8"
    & skf18("5","8","5","1","9","3","1") = "8"
    & skf18("5","8","5","1","9","4","1") = "8"
    & skf18("5","8","5","1","9","5","1") = "8"
    & skf18("5","8","5","1","9","6","1") = "8"
    & skf18("5","8","5","1","9","7","1") = "8"
    & skf18("5","8","5","1","9","8","1") = "8"
    & skf18("5","8","5","1","9","9","1") = "8"
    & skf18("5","8","5","1","9","10","1") = "9"
    & skf18("5","8","5","1","10","1","1") = "9"
    & skf18("5","8","5","1","10","2","1") = "9"
    & skf18("5","8","5","1","10","3","1") = "9"
    & skf18("5","8","5","1","10","4","1") = "9"
    & skf18("5","8","5","1","10","5","1") = "9"
    & skf18("5","8","5","1","10","6","1") = "9"
    & skf18("5","8","5","1","10","7","1") = "9"
    & skf18("5","8","5","1","10","8","1") = "9"
    & skf18("5","8","5","1","10","9","1") = "9"
    & skf18("5","8","5","1","10","10","1") = "9"
    & skf18("5","8","5","2","1","1","1") = "7"
    & skf18("5","8","5","2","1","2","1") = "7"
    & skf18("5","8","5","2","1","3","1") = "7"
    & skf18("5","8","5","2","1","4","1") = "7"
    & skf18("5","8","5","2","1","5","1") = "7"
    & skf18("5","8","5","2","1","6","1") = "7"
    & skf18("5","8","5","2","1","7","1") = "7"
    & skf18("5","8","5","2","1","8","1") = "7"
    & skf18("5","8","5","2","1","9","1") = "8"
    & skf18("5","8","5","2","1","10","1") = "9"
    & skf18("5","8","5","2","2","1","1") = "7"
    & skf18("5","8","5","2","2","2","1") = "7"
    & skf18("5","8","5","2","2","3","1") = "7"
    & skf18("5","8","5","2","2","4","1") = "7"
    & skf18("5","8","5","2","2","5","1") = "7"
    & skf18("5","8","5","2","2","6","1") = "7"
    & skf18("5","8","5","2","2","7","1") = "7"
    & skf18("5","8","5","2","2","8","1") = "7"
    & skf18("5","8","5","2","2","9","1") = "8"
    & skf18("5","8","5","2","2","10","1") = "9"
    & skf18("5","8","5","2","3","1","1") = "7"
    & skf18("5","8","5","2","3","2","1") = "7"
    & skf18("5","8","5","2","3","3","1") = "7"
    & skf18("5","8","5","2","3","4","1") = "7"
    & skf18("5","8","5","2","3","5","1") = "7"
    & skf18("5","8","5","2","3","6","1") = "7"
    & skf18("5","8","5","2","3","7","1") = "7"
    & skf18("5","8","5","2","3","8","1") = "7"
    & skf18("5","8","5","2","3","9","1") = "8"
    & skf18("5","8","5","2","3","10","1") = "9"
    & skf18("5","8","5","2","4","1","1") = "7"
    & skf18("5","8","5","2","4","2","1") = "7"
    & skf18("5","8","5","2","4","3","1") = "7"
    & skf18("5","8","5","2","4","4","1") = "7"
    & skf18("5","8","5","2","4","5","1") = "7"
    & skf18("5","8","5","2","4","6","1") = "7"
    & skf18("5","8","5","2","4","7","1") = "7"
    & skf18("5","8","5","2","4","8","1") = "7"
    & skf18("5","8","5","2","4","9","1") = "8"
    & skf18("5","8","5","2","4","10","1") = "9"
    & skf18("5","8","5","2","5","1","1") = "7"
    & skf18("5","8","5","2","5","2","1") = "7"
    & skf18("5","8","5","2","5","3","1") = "7"
    & skf18("5","8","5","2","5","4","1") = "7"
    & skf18("5","8","5","2","5","5","1") = "7"
    & skf18("5","8","5","2","5","6","1") = "7"
    & skf18("5","8","5","2","5","7","1") = "7"
    & skf18("5","8","5","2","5","8","1") = "7"
    & skf18("5","8","5","2","5","9","1") = "8"
    & skf18("5","8","5","2","5","10","1") = "9"
    & skf18("5","8","5","2","6","1","1") = "7"
    & skf18("5","8","5","2","6","2","1") = "7"
    & skf18("5","8","5","2","6","3","1") = "7"
    & skf18("5","8","5","2","6","4","1") = "7"
    & skf18("5","8","5","2","6","5","1") = "7"
    & skf18("5","8","5","2","6","6","1") = "7"
    & skf18("5","8","5","2","6","7","1") = "7"
    & skf18("5","8","5","2","6","8","1") = "7"
    & skf18("5","8","5","2","6","9","1") = "8"
    & skf18("5","8","5","2","6","10","1") = "9"
    & skf18("5","8","5","2","7","1","1") = "7"
    & skf18("5","8","5","2","7","2","1") = "7"
    & skf18("5","8","5","2","7","3","1") = "7"
    & skf18("5","8","5","2","7","4","1") = "7"
    & skf18("5","8","5","2","7","5","1") = "7"
    & skf18("5","8","5","2","7","6","1") = "7"
    & skf18("5","8","5","2","7","7","1") = "7"
    & skf18("5","8","5","2","7","8","1") = "7"
    & skf18("5","8","5","2","7","9","1") = "8"
    & skf18("5","8","5","2","7","10","1") = "9"
    & skf18("5","8","5","2","8","1","1") = "7"
    & skf18("5","8","5","2","8","2","1") = "7"
    & skf18("5","8","5","2","8","3","1") = "7"
    & skf18("5","8","5","2","8","4","1") = "7"
    & skf18("5","8","5","2","8","5","1") = "7"
    & skf18("5","8","5","2","8","6","1") = "7"
    & skf18("5","8","5","2","8","7","1") = "7"
    & skf18("5","8","5","2","8","8","1") = "7"
    & skf18("5","8","5","2","8","9","1") = "8"
    & skf18("5","8","5","2","8","10","1") = "9"
    & skf18("5","8","5","2","9","1","1") = "8"
    & skf18("5","8","5","2","9","2","1") = "8"
    & skf18("5","8","5","2","9","3","1") = "8"
    & skf18("5","8","5","2","9","4","1") = "8"
    & skf18("5","8","5","2","9","5","1") = "8"
    & skf18("5","8","5","2","9","6","1") = "8"
    & skf18("5","8","5","2","9","7","1") = "8"
    & skf18("5","8","5","2","9","8","1") = "8"
    & skf18("5","8","5","2","9","9","1") = "8"
    & skf18("5","8","5","2","9","10","1") = "9"
    & skf18("5","8","5","2","10","1","1") = "9"
    & skf18("5","8","5","2","10","2","1") = "9"
    & skf18("5","8","5","2","10","3","1") = "9"
    & skf18("5","8","5","2","10","4","1") = "9"
    & skf18("5","8","5","2","10","5","1") = "9"
    & skf18("5","8","5","2","10","6","1") = "9"
    & skf18("5","8","5","2","10","7","1") = "9"
    & skf18("5","8","5","2","10","8","1") = "9"
    & skf18("5","8","5","2","10","9","1") = "9"
    & skf18("5","8","5","2","10","10","1") = "9"
    & skf18("5","8","5","3","1","1","1") = "7"
    & skf18("5","8","5","3","1","2","1") = "7"
    & skf18("5","8","5","3","1","3","1") = "7"
    & skf18("5","8","5","3","1","4","1") = "7"
    & skf18("5","8","5","3","1","5","1") = "7"
    & skf18("5","8","5","3","1","6","1") = "7"
    & skf18("5","8","5","3","1","7","1") = "7"
    & skf18("5","8","5","3","1","8","1") = "7"
    & skf18("5","8","5","3","1","9","1") = "8"
    & skf18("5","8","5","3","1","10","1") = "9"
    & skf18("5","8","5","3","2","1","1") = "7"
    & skf18("5","8","5","3","2","2","1") = "7"
    & skf18("5","8","5","3","2","3","1") = "7"
    & skf18("5","8","5","3","2","4","1") = "7"
    & skf18("5","8","5","3","2","5","1") = "7"
    & skf18("5","8","5","3","2","6","1") = "7"
    & skf18("5","8","5","3","2","7","1") = "7"
    & skf18("5","8","5","3","2","8","1") = "7"
    & skf18("5","8","5","3","2","9","1") = "8"
    & skf18("5","8","5","3","2","10","1") = "9"
    & skf18("5","8","5","3","3","1","1") = "7"
    & skf18("5","8","5","3","3","2","1") = "7"
    & skf18("5","8","5","3","3","3","1") = "7"
    & skf18("5","8","5","3","3","4","1") = "7"
    & skf18("5","8","5","3","3","5","1") = "7"
    & skf18("5","8","5","3","3","6","1") = "7"
    & skf18("5","8","5","3","3","7","1") = "7"
    & skf18("5","8","5","3","3","8","1") = "7"
    & skf18("5","8","5","3","3","9","1") = "8"
    & skf18("5","8","5","3","3","10","1") = "9"
    & skf18("5","8","5","3","4","1","1") = "7"
    & skf18("5","8","5","3","4","2","1") = "7"
    & skf18("5","8","5","3","4","3","1") = "7"
    & skf18("5","8","5","3","4","4","1") = "7"
    & skf18("5","8","5","3","4","5","1") = "7"
    & skf18("5","8","5","3","4","6","1") = "7"
    & skf18("5","8","5","3","4","7","1") = "7"
    & skf18("5","8","5","3","4","8","1") = "7"
    & skf18("5","8","5","3","4","9","1") = "8"
    & skf18("5","8","5","3","4","10","1") = "9"
    & skf18("5","8","5","3","5","1","1") = "7"
    & skf18("5","8","5","3","5","2","1") = "7"
    & skf18("5","8","5","3","5","3","1") = "7"
    & skf18("5","8","5","3","5","4","1") = "7"
    & skf18("5","8","5","3","5","5","1") = "7"
    & skf18("5","8","5","3","5","6","1") = "7"
    & skf18("5","8","5","3","5","7","1") = "7"
    & skf18("5","8","5","3","5","8","1") = "7"
    & skf18("5","8","5","3","5","9","1") = "8"
    & skf18("5","8","5","3","5","10","1") = "9"
    & skf18("5","8","5","3","6","1","1") = "7"
    & skf18("5","8","5","3","6","2","1") = "7"
    & skf18("5","8","5","3","6","3","1") = "7"
    & skf18("5","8","5","3","6","4","1") = "7"
    & skf18("5","8","5","3","6","5","1") = "7"
    & skf18("5","8","5","3","6","6","1") = "7"
    & skf18("5","8","5","3","6","7","1") = "7"
    & skf18("5","8","5","3","6","8","1") = "7"
    & skf18("5","8","5","3","6","9","1") = "8"
    & skf18("5","8","5","3","6","10","1") = "9"
    & skf18("5","8","5","3","7","1","1") = "7"
    & skf18("5","8","5","3","7","2","1") = "7"
    & skf18("5","8","5","3","7","3","1") = "7"
    & skf18("5","8","5","3","7","4","1") = "7"
    & skf18("5","8","5","3","7","5","1") = "7"
    & skf18("5","8","5","3","7","6","1") = "7"
    & skf18("5","8","5","3","7","7","1") = "7"
    & skf18("5","8","5","3","7","8","1") = "7"
    & skf18("5","8","5","3","7","9","1") = "8"
    & skf18("5","8","5","3","7","10","1") = "9"
    & skf18("5","8","5","3","8","1","1") = "7"
    & skf18("5","8","5","3","8","2","1") = "7"
    & skf18("5","8","5","3","8","3","1") = "7"
    & skf18("5","8","5","3","8","4","1") = "7"
    & skf18("5","8","5","3","8","5","1") = "7"
    & skf18("5","8","5","3","8","6","1") = "7"
    & skf18("5","8","5","3","8","7","1") = "7"
    & skf18("5","8","5","3","8","8","1") = "7"
    & skf18("5","8","5","3","8","9","1") = "8"
    & skf18("5","8","5","3","8","10","1") = "9"
    & skf18("5","8","5","3","9","1","1") = "8"
    & skf18("5","8","5","3","9","2","1") = "8"
    & skf18("5","8","5","3","9","3","1") = "8"
    & skf18("5","8","5","3","9","4","1") = "8"
    & skf18("5","8","5","3","9","5","1") = "8"
    & skf18("5","8","5","3","9","6","1") = "8"
    & skf18("5","8","5","3","9","7","1") = "8"
    & skf18("5","8","5","3","9","8","1") = "8"
    & skf18("5","8","5","3","9","9","1") = "8"
    & skf18("5","8","5","3","9","10","1") = "9"
    & skf18("5","8","5","3","10","1","1") = "9"
    & skf18("5","8","5","3","10","2","1") = "9"
    & skf18("5","8","5","3","10","3","1") = "9"
    & skf18("5","8","5","3","10","4","1") = "9"
    & skf18("5","8","5","3","10","5","1") = "9"
    & skf18("5","8","5","3","10","6","1") = "9"
    & skf18("5","8","5","3","10","7","1") = "9"
    & skf18("5","8","5","3","10","8","1") = "9"
    & skf18("5","8","5","3","10","9","1") = "9"
    & skf18("5","8","5","3","10","10","1") = "9"
    & skf18("5","8","5","4","1","1","1") = "7"
    & skf18("5","8","5","4","1","2","1") = "7"
    & skf18("5","8","5","4","1","3","1") = "7"
    & skf18("5","8","5","4","1","4","1") = "7"
    & skf18("5","8","5","4","1","5","1") = "7"
    & skf18("5","8","5","4","1","6","1") = "7"
    & skf18("5","8","5","4","1","7","1") = "7"
    & skf18("5","8","5","4","1","8","1") = "7"
    & skf18("5","8","5","4","1","9","1") = "8"
    & skf18("5","8","5","4","1","10","1") = "9"
    & skf18("5","8","5","4","2","1","1") = "7"
    & skf18("5","8","5","4","2","2","1") = "7"
    & skf18("5","8","5","4","2","3","1") = "7"
    & skf18("5","8","5","4","2","4","1") = "7"
    & skf18("5","8","5","4","2","5","1") = "7"
    & skf18("5","8","5","4","2","6","1") = "7"
    & skf18("5","8","5","4","2","7","1") = "7"
    & skf18("5","8","5","4","2","8","1") = "7"
    & skf18("5","8","5","4","2","9","1") = "8"
    & skf18("5","8","5","4","2","10","1") = "9"
    & skf18("5","8","5","4","3","1","1") = "7"
    & skf18("5","8","5","4","3","2","1") = "7"
    & skf18("5","8","5","4","3","3","1") = "7"
    & skf18("5","8","5","4","3","4","1") = "7"
    & skf18("5","8","5","4","3","5","1") = "7"
    & skf18("5","8","5","4","3","6","1") = "7"
    & skf18("5","8","5","4","3","7","1") = "7"
    & skf18("5","8","5","4","3","8","1") = "7"
    & skf18("5","8","5","4","3","9","1") = "8"
    & skf18("5","8","5","4","3","10","1") = "9"
    & skf18("5","8","5","4","4","1","1") = "7"
    & skf18("5","8","5","4","4","2","1") = "7"
    & skf18("5","8","5","4","4","3","1") = "7"
    & skf18("5","8","5","4","4","4","1") = "7"
    & skf18("5","8","5","4","4","5","1") = "7"
    & skf18("5","8","5","4","4","6","1") = "7"
    & skf18("5","8","5","4","4","7","1") = "7"
    & skf18("5","8","5","4","4","8","1") = "7"
    & skf18("5","8","5","4","4","9","1") = "8"
    & skf18("5","8","5","4","4","10","1") = "9"
    & skf18("5","8","5","4","5","1","1") = "7"
    & skf18("5","8","5","4","5","2","1") = "7"
    & skf18("5","8","5","4","5","3","1") = "7"
    & skf18("5","8","5","4","5","4","1") = "7"
    & skf18("5","8","5","4","5","5","1") = "7"
    & skf18("5","8","5","4","5","6","1") = "7"
    & skf18("5","8","5","4","5","7","1") = "7"
    & skf18("5","8","5","4","5","8","1") = "7"
    & skf18("5","8","5","4","5","9","1") = "8"
    & skf18("5","8","5","4","5","10","1") = "9"
    & skf18("5","8","5","4","6","1","1") = "7"
    & skf18("5","8","5","4","6","2","1") = "7"
    & skf18("5","8","5","4","6","3","1") = "7"
    & skf18("5","8","5","4","6","4","1") = "7"
    & skf18("5","8","5","4","6","5","1") = "7"
    & skf18("5","8","5","4","6","6","1") = "7"
    & skf18("5","8","5","4","6","7","1") = "7"
    & skf18("5","8","5","4","6","8","1") = "7"
    & skf18("5","8","5","4","6","9","1") = "8"
    & skf18("5","8","5","4","6","10","1") = "9"
    & skf18("5","8","5","4","7","1","1") = "7"
    & skf18("5","8","5","4","7","2","1") = "7"
    & skf18("5","8","5","4","7","3","1") = "7"
    & skf18("5","8","5","4","7","4","1") = "7"
    & skf18("5","8","5","4","7","5","1") = "7"
    & skf18("5","8","5","4","7","6","1") = "7"
    & skf18("5","8","5","4","7","7","1") = "7"
    & skf18("5","8","5","4","7","8","1") = "7"
    & skf18("5","8","5","4","7","9","1") = "8"
    & skf18("5","8","5","4","7","10","1") = "9"
    & skf18("5","8","5","4","8","1","1") = "7"
    & skf18("5","8","5","4","8","2","1") = "7"
    & skf18("5","8","5","4","8","3","1") = "7"
    & skf18("5","8","5","4","8","4","1") = "7"
    & skf18("5","8","5","4","8","5","1") = "7"
    & skf18("5","8","5","4","8","6","1") = "7"
    & skf18("5","8","5","4","8","7","1") = "7"
    & skf18("5","8","5","4","8","8","1") = "7"
    & skf18("5","8","5","4","8","9","1") = "8"
    & skf18("5","8","5","4","8","10","1") = "9"
    & skf18("5","8","5","4","9","1","1") = "8"
    & skf18("5","8","5","4","9","2","1") = "8"
    & skf18("5","8","5","4","9","3","1") = "8"
    & skf18("5","8","5","4","9","4","1") = "8"
    & skf18("5","8","5","4","9","5","1") = "8"
    & skf18("5","8","5","4","9","6","1") = "8"
    & skf18("5","8","5","4","9","7","1") = "8"
    & skf18("5","8","5","4","9","8","1") = "8"
    & skf18("5","8","5","4","9","9","1") = "8"
    & skf18("5","8","5","4","9","10","1") = "9"
    & skf18("5","8","5","4","10","1","1") = "9"
    & skf18("5","8","5","4","10","2","1") = "9"
    & skf18("5","8","5","4","10","3","1") = "9"
    & skf18("5","8","5","4","10","4","1") = "9"
    & skf18("5","8","5","4","10","5","1") = "9"
    & skf18("5","8","5","4","10","6","1") = "9"
    & skf18("5","8","5","4","10","7","1") = "9"
    & skf18("5","8","5","4","10","8","1") = "9"
    & skf18("5","8","5","4","10","9","1") = "9"
    & skf18("5","8","5","4","10","10","1") = "9"
    & skf18("5","8","5","5","1","1","1") = "7"
    & skf18("5","8","5","5","1","2","1") = "7"
    & skf18("5","8","5","5","1","3","1") = "7"
    & skf18("5","8","5","5","1","4","1") = "7"
    & skf18("5","8","5","5","1","5","1") = "7"
    & skf18("5","8","5","5","1","6","1") = "7"
    & skf18("5","8","5","5","1","7","1") = "7"
    & skf18("5","8","5","5","1","8","1") = "7"
    & skf18("5","8","5","5","1","9","1") = "8"
    & skf18("5","8","5","5","1","10","1") = "9"
    & skf18("5","8","5","5","2","1","1") = "7"
    & skf18("5","8","5","5","2","2","1") = "7"
    & skf18("5","8","5","5","2","3","1") = "7"
    & skf18("5","8","5","5","2","4","1") = "7"
    & skf18("5","8","5","5","2","5","1") = "7"
    & skf18("5","8","5","5","2","6","1") = "7"
    & skf18("5","8","5","5","2","7","1") = "7"
    & skf18("5","8","5","5","2","8","1") = "7"
    & skf18("5","8","5","5","2","9","1") = "8"
    & skf18("5","8","5","5","2","10","1") = "9"
    & skf18("5","8","5","5","3","1","1") = "7"
    & skf18("5","8","5","5","3","2","1") = "7"
    & skf18("5","8","5","5","3","3","1") = "7"
    & skf18("5","8","5","5","3","4","1") = "7"
    & skf18("5","8","5","5","3","5","1") = "7"
    & skf18("5","8","5","5","3","6","1") = "7"
    & skf18("5","8","5","5","3","7","1") = "7"
    & skf18("5","8","5","5","3","8","1") = "7"
    & skf18("5","8","5","5","3","9","1") = "8"
    & skf18("5","8","5","5","3","10","1") = "9"
    & skf18("5","8","5","5","4","1","1") = "7"
    & skf18("5","8","5","5","4","2","1") = "7"
    & skf18("5","8","5","5","4","3","1") = "7"
    & skf18("5","8","5","5","4","4","1") = "7"
    & skf18("5","8","5","5","4","5","1") = "7"
    & skf18("5","8","5","5","4","6","1") = "7"
    & skf18("5","8","5","5","4","7","1") = "7"
    & skf18("5","8","5","5","4","8","1") = "7"
    & skf18("5","8","5","5","4","9","1") = "8"
    & skf18("5","8","5","5","4","10","1") = "9"
    & skf18("5","8","5","5","5","1","1") = "7"
    & skf18("5","8","5","5","5","2","1") = "7"
    & skf18("5","8","5","5","5","3","1") = "7"
    & skf18("5","8","5","5","5","4","1") = "7"
    & skf18("5","8","5","5","5","5","1") = "7"
    & skf18("5","8","5","5","5","6","1") = "7"
    & skf18("5","8","5","5","5","7","1") = "7"
    & skf18("5","8","5","5","5","8","1") = "7"
    & skf18("5","8","5","5","5","9","1") = "8"
    & skf18("5","8","5","5","5","10","1") = "9"
    & skf18("5","8","5","5","6","1","1") = "7"
    & skf18("5","8","5","5","6","2","1") = "7"
    & skf18("5","8","5","5","6","3","1") = "7"
    & skf18("5","8","5","5","6","4","1") = "7"
    & skf18("5","8","5","5","6","5","1") = "7"
    & skf18("5","8","5","5","6","6","1") = "7"
    & skf18("5","8","5","5","6","7","1") = "7"
    & skf18("5","8","5","5","6","8","1") = "7"
    & skf18("5","8","5","5","6","9","1") = "8"
    & skf18("5","8","5","5","6","10","1") = "9"
    & skf18("5","8","5","5","7","1","1") = "7"
    & skf18("5","8","5","5","7","2","1") = "7"
    & skf18("5","8","5","5","7","3","1") = "7"
    & skf18("5","8","5","5","7","4","1") = "7"
    & skf18("5","8","5","5","7","5","1") = "7"
    & skf18("5","8","5","5","7","6","1") = "7"
    & skf18("5","8","5","5","7","7","1") = "7"
    & skf18("5","8","5","5","7","8","1") = "7"
    & skf18("5","8","5","5","7","9","1") = "8"
    & skf18("5","8","5","5","7","10","1") = "9"
    & skf18("5","8","5","5","8","1","1") = "7"
    & skf18("5","8","5","5","8","2","1") = "7"
    & skf18("5","8","5","5","8","3","1") = "7"
    & skf18("5","8","5","5","8","4","1") = "7"
    & skf18("5","8","5","5","8","5","1") = "7"
    & skf18("5","8","5","5","8","6","1") = "7"
    & skf18("5","8","5","5","8","7","1") = "7"
    & skf18("5","8","5","5","8","8","1") = "7"
    & skf18("5","8","5","5","8","9","1") = "8"
    & skf18("5","8","5","5","8","10","1") = "9"
    & skf18("5","8","5","5","9","1","1") = "8"
    & skf18("5","8","5","5","9","2","1") = "8"
    & skf18("5","8","5","5","9","3","1") = "8"
    & skf18("5","8","5","5","9","4","1") = "8"
    & skf18("5","8","5","5","9","5","1") = "8"
    & skf18("5","8","5","5","9","6","1") = "8"
    & skf18("5","8","5","5","9","7","1") = "8"
    & skf18("5","8","5","5","9","8","1") = "8"
    & skf18("5","8","5","5","9","9","1") = "8"
    & skf18("5","8","5","5","9","10","1") = "9"
    & skf18("5","8","5","5","10","1","1") = "9"
    & skf18("5","8","5","5","10","2","1") = "9"
    & skf18("5","8","5","5","10","3","1") = "9"
    & skf18("5","8","5","5","10","4","1") = "9"
    & skf18("5","8","5","5","10","5","1") = "9"
    & skf18("5","8","5","5","10","6","1") = "9"
    & skf18("5","8","5","5","10","7","1") = "9"
    & skf18("5","8","5","5","10","8","1") = "9"
    & skf18("5","8","5","5","10","9","1") = "9"
    & skf18("5","8","5","5","10","10","1") = "9"
    & skf18("5","8","5","6","1","1","1") = "7"
    & skf18("5","8","5","6","1","2","1") = "7"
    & skf18("5","8","5","6","1","3","1") = "7"
    & skf18("5","8","5","6","1","4","1") = "7"
    & skf18("5","8","5","6","1","5","1") = "7"
    & skf18("5","8","5","6","1","6","1") = "7"
    & skf18("5","8","5","6","1","7","1") = "7"
    & skf18("5","8","5","6","1","8","1") = "7"
    & skf18("5","8","5","6","1","9","1") = "8"
    & skf18("5","8","5","6","1","10","1") = "9"
    & skf18("5","8","5","6","2","1","1") = "7"
    & skf18("5","8","5","6","2","2","1") = "7"
    & skf18("5","8","5","6","2","3","1") = "7"
    & skf18("5","8","5","6","2","4","1") = "7"
    & skf18("5","8","5","6","2","5","1") = "7"
    & skf18("5","8","5","6","2","6","1") = "7"
    & skf18("5","8","5","6","2","7","1") = "7"
    & skf18("5","8","5","6","2","8","1") = "7"
    & skf18("5","8","5","6","2","9","1") = "8"
    & skf18("5","8","5","6","2","10","1") = "9"
    & skf18("5","8","5","6","3","1","1") = "7"
    & skf18("5","8","5","6","3","2","1") = "7"
    & skf18("5","8","5","6","3","3","1") = "7"
    & skf18("5","8","5","6","3","4","1") = "7"
    & skf18("5","8","5","6","3","5","1") = "7"
    & skf18("5","8","5","6","3","6","1") = "7"
    & skf18("5","8","5","6","3","7","1") = "7"
    & skf18("5","8","5","6","3","8","1") = "7"
    & skf18("5","8","5","6","3","9","1") = "8"
    & skf18("5","8","5","6","3","10","1") = "9"
    & skf18("5","8","5","6","4","1","1") = "7"
    & skf18("5","8","5","6","4","2","1") = "7"
    & skf18("5","8","5","6","4","3","1") = "7"
    & skf18("5","8","5","6","4","4","1") = "7"
    & skf18("5","8","5","6","4","5","1") = "7"
    & skf18("5","8","5","6","4","6","1") = "7"
    & skf18("5","8","5","6","4","7","1") = "7"
    & skf18("5","8","5","6","4","8","1") = "7"
    & skf18("5","8","5","6","4","9","1") = "8"
    & skf18("5","8","5","6","4","10","1") = "9"
    & skf18("5","8","5","6","5","1","1") = "7"
    & skf18("5","8","5","6","5","2","1") = "7"
    & skf18("5","8","5","6","5","3","1") = "7"
    & skf18("5","8","5","6","5","4","1") = "7"
    & skf18("5","8","5","6","5","5","1") = "7"
    & skf18("5","8","5","6","5","6","1") = "7"
    & skf18("5","8","5","6","5","7","1") = "7"
    & skf18("5","8","5","6","5","8","1") = "7"
    & skf18("5","8","5","6","5","9","1") = "8"
    & skf18("5","8","5","6","5","10","1") = "9"
    & skf18("5","8","5","6","6","1","1") = "7"
    & skf18("5","8","5","6","6","2","1") = "7"
    & skf18("5","8","5","6","6","3","1") = "7"
    & skf18("5","8","5","6","6","4","1") = "7"
    & skf18("5","8","5","6","6","5","1") = "7"
    & skf18("5","8","5","6","6","6","1") = "7"
    & skf18("5","8","5","6","6","7","1") = "7"
    & skf18("5","8","5","6","6","8","1") = "7"
    & skf18("5","8","5","6","6","9","1") = "8"
    & skf18("5","8","5","6","6","10","1") = "9"
    & skf18("5","8","5","6","7","1","1") = "7"
    & skf18("5","8","5","6","7","2","1") = "7"
    & skf18("5","8","5","6","7","3","1") = "7"
    & skf18("5","8","5","6","7","4","1") = "7"
    & skf18("5","8","5","6","7","5","1") = "7"
    & skf18("5","8","5","6","7","6","1") = "7"
    & skf18("5","8","5","6","7","7","1") = "7"
    & skf18("5","8","5","6","7","8","1") = "7"
    & skf18("5","8","5","6","7","9","1") = "8"
    & skf18("5","8","5","6","7","10","1") = "9"
    & skf18("5","8","5","6","8","1","1") = "7"
    & skf18("5","8","5","6","8","2","1") = "7"
    & skf18("5","8","5","6","8","3","1") = "7"
    & skf18("5","8","5","6","8","4","1") = "7"
    & skf18("5","8","5","6","8","5","1") = "7"
    & skf18("5","8","5","6","8","6","1") = "7"
    & skf18("5","8","5","6","8","7","1") = "7"
    & skf18("5","8","5","6","8","8","1") = "7"
    & skf18("5","8","5","6","8","9","1") = "8"
    & skf18("5","8","5","6","8","10","1") = "9"
    & skf18("5","8","5","6","9","1","1") = "8"
    & skf18("5","8","5","6","9","2","1") = "8"
    & skf18("5","8","5","6","9","3","1") = "8"
    & skf18("5","8","5","6","9","4","1") = "8"
    & skf18("5","8","5","6","9","5","1") = "8"
    & skf18("5","8","5","6","9","6","1") = "8"
    & skf18("5","8","5","6","9","7","1") = "8"
    & skf18("5","8","5","6","9","8","1") = "8"
    & skf18("5","8","5","6","9","9","1") = "8"
    & skf18("5","8","5","6","9","10","1") = "9"
    & skf18("5","8","5","6","10","1","1") = "9"
    & skf18("5","8","5","6","10","2","1") = "9"
    & skf18("5","8","5","6","10","3","1") = "9"
    & skf18("5","8","5","6","10","4","1") = "9"
    & skf18("5","8","5","6","10","5","1") = "9"
    & skf18("5","8","5","6","10","6","1") = "9"
    & skf18("5","8","5","6","10","7","1") = "9"
    & skf18("5","8","5","6","10","8","1") = "9"
    & skf18("5","8","5","6","10","9","1") = "9"
    & skf18("5","8","5","6","10","10","1") = "9"
    & skf18("5","8","5","7","1","1","1") = "7"
    & skf18("5","8","5","7","1","2","1") = "7"
    & skf18("5","8","5","7","1","3","1") = "7"
    & skf18("5","8","5","7","1","4","1") = "7"
    & skf18("5","8","5","7","1","5","1") = "7"
    & skf18("5","8","5","7","1","6","1") = "7"
    & skf18("5","8","5","7","1","7","1") = "7"
    & skf18("5","8","5","7","1","8","1") = "7"
    & skf18("5","8","5","7","1","9","1") = "8"
    & skf18("5","8","5","7","1","10","1") = "9"
    & skf18("5","8","5","7","2","1","1") = "7"
    & skf18("5","8","5","7","2","2","1") = "7"
    & skf18("5","8","5","7","2","3","1") = "7"
    & skf18("5","8","5","7","2","4","1") = "7"
    & skf18("5","8","5","7","2","5","1") = "7"
    & skf18("5","8","5","7","2","6","1") = "7"
    & skf18("5","8","5","7","2","7","1") = "7"
    & skf18("5","8","5","7","2","8","1") = "7"
    & skf18("5","8","5","7","2","9","1") = "8"
    & skf18("5","8","5","7","2","10","1") = "9"
    & skf18("5","8","5","7","3","1","1") = "7"
    & skf18("5","8","5","7","3","2","1") = "7"
    & skf18("5","8","5","7","3","3","1") = "7"
    & skf18("5","8","5","7","3","4","1") = "7"
    & skf18("5","8","5","7","3","5","1") = "7"
    & skf18("5","8","5","7","3","6","1") = "7"
    & skf18("5","8","5","7","3","7","1") = "7"
    & skf18("5","8","5","7","3","8","1") = "7"
    & skf18("5","8","5","7","3","9","1") = "8"
    & skf18("5","8","5","7","3","10","1") = "9"
    & skf18("5","8","5","7","4","1","1") = "7"
    & skf18("5","8","5","7","4","2","1") = "7"
    & skf18("5","8","5","7","4","3","1") = "7"
    & skf18("5","8","5","7","4","4","1") = "7"
    & skf18("5","8","5","7","4","5","1") = "7"
    & skf18("5","8","5","7","4","6","1") = "7"
    & skf18("5","8","5","7","4","7","1") = "7"
    & skf18("5","8","5","7","4","8","1") = "7"
    & skf18("5","8","5","7","4","9","1") = "8"
    & skf18("5","8","5","7","4","10","1") = "9"
    & skf18("5","8","5","7","5","1","1") = "7"
    & skf18("5","8","5","7","5","2","1") = "7"
    & skf18("5","8","5","7","5","3","1") = "7"
    & skf18("5","8","5","7","5","4","1") = "7"
    & skf18("5","8","5","7","5","5","1") = "7"
    & skf18("5","8","5","7","5","6","1") = "7"
    & skf18("5","8","5","7","5","7","1") = "7"
    & skf18("5","8","5","7","5","8","1") = "7"
    & skf18("5","8","5","7","5","9","1") = "8"
    & skf18("5","8","5","7","5","10","1") = "9"
    & skf18("5","8","5","7","6","1","1") = "7"
    & skf18("5","8","5","7","6","2","1") = "7"
    & skf18("5","8","5","7","6","3","1") = "7"
    & skf18("5","8","5","7","6","4","1") = "7"
    & skf18("5","8","5","7","6","5","1") = "7"
    & skf18("5","8","5","7","6","6","1") = "7"
    & skf18("5","8","5","7","6","7","1") = "7"
    & skf18("5","8","5","7","6","8","1") = "7"
    & skf18("5","8","5","7","6","9","1") = "8"
    & skf18("5","8","5","7","6","10","1") = "9"
    & skf18("5","8","5","7","7","1","1") = "7"
    & skf18("5","8","5","7","7","2","1") = "7"
    & skf18("5","8","5","7","7","3","1") = "7"
    & skf18("5","8","5","7","7","4","1") = "7"
    & skf18("5","8","5","7","7","5","1") = "7"
    & skf18("5","8","5","7","7","6","1") = "7"
    & skf18("5","8","5","7","7","7","1") = "7"
    & skf18("5","8","5","7","7","8","1") = "7"
    & skf18("5","8","5","7","7","9","1") = "8"
    & skf18("5","8","5","7","7","10","1") = "9"
    & skf18("5","8","5","7","8","1","1") = "7"
    & skf18("5","8","5","7","8","2","1") = "7"
    & skf18("5","8","5","7","8","3","1") = "7"
    & skf18("5","8","5","7","8","4","1") = "7"
    & skf18("5","8","5","7","8","5","1") = "7"
    & skf18("5","8","5","7","8","6","1") = "7"
    & skf18("5","8","5","7","8","7","1") = "7"
    & skf18("5","8","5","7","8","8","1") = "7"
    & skf18("5","8","5","7","8","9","1") = "8"
    & skf18("5","8","5","7","8","10","1") = "9"
    & skf18("5","8","5","7","9","1","1") = "8"
    & skf18("5","8","5","7","9","2","1") = "8"
    & skf18("5","8","5","7","9","3","1") = "8"
    & skf18("5","8","5","7","9","4","1") = "8"
    & skf18("5","8","5","7","9","5","1") = "8"
    & skf18("5","8","5","7","9","6","1") = "8"
    & skf18("5","8","5","7","9","7","1") = "8"
    & skf18("5","8","5","7","9","8","1") = "8"
    & skf18("5","8","5","7","9","9","1") = "8"
    & skf18("5","8","5","7","9","10","1") = "9"
    & skf18("5","8","5","7","10","1","1") = "9"
    & skf18("5","8","5","7","10","2","1") = "9"
    & skf18("5","8","5","7","10","3","1") = "9"
    & skf18("5","8","5","7","10","4","1") = "9"
    & skf18("5","8","5","7","10","5","1") = "9"
    & skf18("5","8","5","7","10","6","1") = "9"
    & skf18("5","8","5","7","10","7","1") = "9"
    & skf18("5","8","5","7","10","8","1") = "9"
    & skf18("5","8","5","7","10","9","1") = "9"
    & skf18("5","8","5","7","10","10","1") = "9"
    & skf18("5","8","5","8","1","1","1") = "7"
    & skf18("5","8","5","8","1","2","1") = "7"
    & skf18("5","8","5","8","1","3","1") = "7"
    & skf18("5","8","5","8","1","4","1") = "7"
    & skf18("5","8","5","8","1","5","1") = "7"
    & skf18("5","8","5","8","1","6","1") = "7"
    & skf18("5","8","5","8","1","7","1") = "7"
    & skf18("5","8","5","8","1","8","1") = "7"
    & skf18("5","8","5","8","1","9","1") = "8"
    & skf18("5","8","5","8","1","10","1") = "9"
    & skf18("5","8","5","8","2","1","1") = "7"
    & skf18("5","8","5","8","2","2","1") = "7"
    & skf18("5","8","5","8","2","3","1") = "7"
    & skf18("5","8","5","8","2","4","1") = "7"
    & skf18("5","8","5","8","2","5","1") = "7"
    & skf18("5","8","5","8","2","6","1") = "7"
    & skf18("5","8","5","8","2","7","1") = "7"
    & skf18("5","8","5","8","2","8","1") = "7"
    & skf18("5","8","5","8","2","9","1") = "8"
    & skf18("5","8","5","8","2","10","1") = "9"
    & skf18("5","8","5","8","3","1","1") = "7"
    & skf18("5","8","5","8","3","2","1") = "7"
    & skf18("5","8","5","8","3","3","1") = "7"
    & skf18("5","8","5","8","3","4","1") = "7"
    & skf18("5","8","5","8","3","5","1") = "7"
    & skf18("5","8","5","8","3","6","1") = "7"
    & skf18("5","8","5","8","3","7","1") = "7"
    & skf18("5","8","5","8","3","8","1") = "7"
    & skf18("5","8","5","8","3","9","1") = "8"
    & skf18("5","8","5","8","3","10","1") = "9"
    & skf18("5","8","5","8","4","1","1") = "7"
    & skf18("5","8","5","8","4","2","1") = "7"
    & skf18("5","8","5","8","4","3","1") = "7"
    & skf18("5","8","5","8","4","4","1") = "7"
    & skf18("5","8","5","8","4","5","1") = "7"
    & skf18("5","8","5","8","4","6","1") = "7"
    & skf18("5","8","5","8","4","7","1") = "7"
    & skf18("5","8","5","8","4","8","1") = "7"
    & skf18("5","8","5","8","4","9","1") = "8"
    & skf18("5","8","5","8","4","10","1") = "9"
    & skf18("5","8","5","8","5","1","1") = "7"
    & skf18("5","8","5","8","5","2","1") = "7"
    & skf18("5","8","5","8","5","3","1") = "7"
    & skf18("5","8","5","8","5","4","1") = "7"
    & skf18("5","8","5","8","5","5","1") = "7"
    & skf18("5","8","5","8","5","6","1") = "7"
    & skf18("5","8","5","8","5","7","1") = "7"
    & skf18("5","8","5","8","5","8","1") = "7"
    & skf18("5","8","5","8","5","9","1") = "8"
    & skf18("5","8","5","8","5","10","1") = "9"
    & skf18("5","8","5","8","6","1","1") = "7"
    & skf18("5","8","5","8","6","2","1") = "7"
    & skf18("5","8","5","8","6","3","1") = "7"
    & skf18("5","8","5","8","6","4","1") = "7"
    & skf18("5","8","5","8","6","5","1") = "7"
    & skf18("5","8","5","8","6","6","1") = "7"
    & skf18("5","8","5","8","6","7","1") = "7"
    & skf18("5","8","5","8","6","8","1") = "7"
    & skf18("5","8","5","8","6","9","1") = "8"
    & skf18("5","8","5","8","6","10","1") = "9"
    & skf18("5","8","5","8","7","1","1") = "7"
    & skf18("5","8","5","8","7","2","1") = "7"
    & skf18("5","8","5","8","7","3","1") = "7"
    & skf18("5","8","5","8","7","4","1") = "7"
    & skf18("5","8","5","8","7","5","1") = "7"
    & skf18("5","8","5","8","7","6","1") = "7"
    & skf18("5","8","5","8","7","7","1") = "7"
    & skf18("5","8","5","8","7","8","1") = "7"
    & skf18("5","8","5","8","7","9","1") = "8"
    & skf18("5","8","5","8","7","10","1") = "9"
    & skf18("5","8","5","8","8","1","1") = "7"
    & skf18("5","8","5","8","8","2","1") = "7"
    & skf18("5","8","5","8","8","3","1") = "7"
    & skf18("5","8","5","8","8","4","1") = "7"
    & skf18("5","8","5","8","8","5","1") = "7"
    & skf18("5","8","5","8","8","6","1") = "7"
    & skf18("5","8","5","8","8","7","1") = "7"
    & skf18("5","8","5","8","8","8","1") = "7"
    & skf18("5","8","5","8","8","9","1") = "8"
    & skf18("5","8","5","8","8","10","1") = "9"
    & skf18("5","8","5","8","9","1","1") = "8"
    & skf18("5","8","5","8","9","2","1") = "8"
    & skf18("5","8","5","8","9","3","1") = "8"
    & skf18("5","8","5","8","9","4","1") = "8"
    & skf18("5","8","5","8","9","5","1") = "8"
    & skf18("5","8","5","8","9","6","1") = "8"
    & skf18("5","8","5","8","9","7","1") = "8"
    & skf18("5","8","5","8","9","8","1") = "8"
    & skf18("5","8","5","8","9","9","1") = "8"
    & skf18("5","8","5","8","9","10","1") = "9"
    & skf18("5","8","5","8","10","1","1") = "9"
    & skf18("5","8","5","8","10","2","1") = "9"
    & skf18("5","8","5","8","10","3","1") = "9"
    & skf18("5","8","5","8","10","4","1") = "9"
    & skf18("5","8","5","8","10","5","1") = "9"
    & skf18("5","8","5","8","10","6","1") = "9"
    & skf18("5","8","5","8","10","7","1") = "9"
    & skf18("5","8","5","8","10","8","1") = "9"
    & skf18("5","8","5","8","10","9","1") = "9"
    & skf18("5","8","5","8","10","10","1") = "9"
    & skf18("5","8","5","9","1","1","1") = "8"
    & skf18("5","8","5","9","1","2","1") = "8"
    & skf18("5","8","5","9","1","3","1") = "8"
    & skf18("5","8","5","9","1","4","1") = "8"
    & skf18("5","8","5","9","1","5","1") = "8"
    & skf18("5","8","5","9","1","6","1") = "8"
    & skf18("5","8","5","9","1","7","1") = "8"
    & skf18("5","8","5","9","1","8","1") = "8"
    & skf18("5","8","5","9","1","9","1") = "8"
    & skf18("5","8","5","9","1","10","1") = "9"
    & skf18("5","8","5","9","2","1","1") = "8"
    & skf18("5","8","5","9","2","2","1") = "8"
    & skf18("5","8","5","9","2","3","1") = "8"
    & skf18("5","8","5","9","2","4","1") = "8"
    & skf18("5","8","5","9","2","5","1") = "8"
    & skf18("5","8","5","9","2","6","1") = "8"
    & skf18("5","8","5","9","2","7","1") = "8"
    & skf18("5","8","5","9","2","8","1") = "8"
    & skf18("5","8","5","9","2","9","1") = "8"
    & skf18("5","8","5","9","2","10","1") = "9"
    & skf18("5","8","5","9","3","1","1") = "8"
    & skf18("5","8","5","9","3","2","1") = "8"
    & skf18("5","8","5","9","3","3","1") = "8"
    & skf18("5","8","5","9","3","4","1") = "8"
    & skf18("5","8","5","9","3","5","1") = "8"
    & skf18("5","8","5","9","3","6","1") = "8"
    & skf18("5","8","5","9","3","7","1") = "8"
    & skf18("5","8","5","9","3","8","1") = "8"
    & skf18("5","8","5","9","3","9","1") = "8"
    & skf18("5","8","5","9","3","10","1") = "9"
    & skf18("5","8","5","9","4","1","1") = "8"
    & skf18("5","8","5","9","4","2","1") = "8"
    & skf18("5","8","5","9","4","3","1") = "8"
    & skf18("5","8","5","9","4","4","1") = "8"
    & skf18("5","8","5","9","4","5","1") = "8"
    & skf18("5","8","5","9","4","6","1") = "8"
    & skf18("5","8","5","9","4","7","1") = "8"
    & skf18("5","8","5","9","4","8","1") = "8"
    & skf18("5","8","5","9","4","9","1") = "8"
    & skf18("5","8","5","9","4","10","1") = "9"
    & skf18("5","8","5","9","5","1","1") = "8"
    & skf18("5","8","5","9","5","2","1") = "8"
    & skf18("5","8","5","9","5","3","1") = "8"
    & skf18("5","8","5","9","5","4","1") = "8"
    & skf18("5","8","5","9","5","5","1") = "8"
    & skf18("5","8","5","9","5","6","1") = "8"
    & skf18("5","8","5","9","5","7","1") = "8"
    & skf18("5","8","5","9","5","8","1") = "8"
    & skf18("5","8","5","9","5","9","1") = "8"
    & skf18("5","8","5","9","5","10","1") = "9"
    & skf18("5","8","5","9","6","1","1") = "8"
    & skf18("5","8","5","9","6","2","1") = "8"
    & skf18("5","8","5","9","6","3","1") = "8"
    & skf18("5","8","5","9","6","4","1") = "8"
    & skf18("5","8","5","9","6","5","1") = "8"
    & skf18("5","8","5","9","6","6","1") = "8"
    & skf18("5","8","5","9","6","7","1") = "8"
    & skf18("5","8","5","9","6","8","1") = "8"
    & skf18("5","8","5","9","6","9","1") = "8"
    & skf18("5","8","5","9","6","10","1") = "9"
    & skf18("5","8","5","9","7","1","1") = "8"
    & skf18("5","8","5","9","7","2","1") = "8"
    & skf18("5","8","5","9","7","3","1") = "8"
    & skf18("5","8","5","9","7","4","1") = "8"
    & skf18("5","8","5","9","7","5","1") = "8"
    & skf18("5","8","5","9","7","6","1") = "8"
    & skf18("5","8","5","9","7","7","1") = "8"
    & skf18("5","8","5","9","7","8","1") = "8"
    & skf18("5","8","5","9","7","9","1") = "8"
    & skf18("5","8","5","9","7","10","1") = "9"
    & skf18("5","8","5","9","8","1","1") = "8"
    & skf18("5","8","5","9","8","2","1") = "8"
    & skf18("5","8","5","9","8","3","1") = "8"
    & skf18("5","8","5","9","8","4","1") = "8"
    & skf18("5","8","5","9","8","5","1") = "8"
    & skf18("5","8","5","9","8","6","1") = "8"
    & skf18("5","8","5","9","8","7","1") = "8"
    & skf18("5","8","5","9","8","8","1") = "8"
    & skf18("5","8","5","9","8","9","1") = "8"
    & skf18("5","8","5","9","8","10","1") = "9"
    & skf18("5","8","5","9","9","1","1") = "8"
    & skf18("5","8","5","9","9","2","1") = "8"
    & skf18("5","8","5","9","9","3","1") = "8"
    & skf18("5","8","5","9","9","4","1") = "8"
    & skf18("5","8","5","9","9","5","1") = "8"
    & skf18("5","8","5","9","9","6","1") = "8"
    & skf18("5","8","5","9","9","7","1") = "8"
    & skf18("5","8","5","9","9","8","1") = "8"
    & skf18("5","8","5","9","9","9","1") = "8"
    & skf18("5","8","5","9","9","10","1") = "9"
    & skf18("5","8","5","9","10","1","1") = "9"
    & skf18("5","8","5","9","10","2","1") = "9"
    & skf18("5","8","5","9","10","3","1") = "9"
    & skf18("5","8","5","9","10","4","1") = "9"
    & skf18("5","8","5","9","10","5","1") = "9"
    & skf18("5","8","5","9","10","6","1") = "9"
    & skf18("5","8","5","9","10","7","1") = "9"
    & skf18("5","8","5","9","10","8","1") = "9"
    & skf18("5","8","5","9","10","9","1") = "9"
    & skf18("5","8","5","9","10","10","1") = "9"
    & skf18("5","8","5","10","1","1","1") = "9"
    & skf18("5","8","5","10","1","2","1") = "9"
    & skf18("5","8","5","10","1","3","1") = "9"
    & skf18("5","8","5","10","1","4","1") = "9"
    & skf18("5","8","5","10","1","5","1") = "9"
    & skf18("5","8","5","10","1","6","1") = "9"
    & skf18("5","8","5","10","1","7","1") = "9"
    & skf18("5","8","5","10","1","8","1") = "9"
    & skf18("5","8","5","10","1","9","1") = "9"
    & skf18("5","8","5","10","1","10","1") = "9"
    & skf18("5","8","5","10","2","1","1") = "9"
    & skf18("5","8","5","10","2","2","1") = "9"
    & skf18("5","8","5","10","2","3","1") = "9"
    & skf18("5","8","5","10","2","4","1") = "9"
    & skf18("5","8","5","10","2","5","1") = "9"
    & skf18("5","8","5","10","2","6","1") = "9"
    & skf18("5","8","5","10","2","7","1") = "9"
    & skf18("5","8","5","10","2","8","1") = "9"
    & skf18("5","8","5","10","2","9","1") = "9"
    & skf18("5","8","5","10","2","10","1") = "9"
    & skf18("5","8","5","10","3","1","1") = "9"
    & skf18("5","8","5","10","3","2","1") = "9"
    & skf18("5","8","5","10","3","3","1") = "9"
    & skf18("5","8","5","10","3","4","1") = "9"
    & skf18("5","8","5","10","3","5","1") = "9"
    & skf18("5","8","5","10","3","6","1") = "9"
    & skf18("5","8","5","10","3","7","1") = "9"
    & skf18("5","8","5","10","3","8","1") = "9"
    & skf18("5","8","5","10","3","9","1") = "9"
    & skf18("5","8","5","10","3","10","1") = "9"
    & skf18("5","8","5","10","4","1","1") = "9"
    & skf18("5","8","5","10","4","2","1") = "9"
    & skf18("5","8","5","10","4","3","1") = "9"
    & skf18("5","8","5","10","4","4","1") = "9"
    & skf18("5","8","5","10","4","5","1") = "9"
    & skf18("5","8","5","10","4","6","1") = "9"
    & skf18("5","8","5","10","4","7","1") = "9"
    & skf18("5","8","5","10","4","8","1") = "9"
    & skf18("5","8","5","10","4","9","1") = "9"
    & skf18("5","8","5","10","4","10","1") = "9"
    & skf18("5","8","5","10","5","1","1") = "9"
    & skf18("5","8","5","10","5","2","1") = "9"
    & skf18("5","8","5","10","5","3","1") = "9"
    & skf18("5","8","5","10","5","4","1") = "9"
    & skf18("5","8","5","10","5","5","1") = "9"
    & skf18("5","8","5","10","5","6","1") = "9"
    & skf18("5","8","5","10","5","7","1") = "9"
    & skf18("5","8","5","10","5","8","1") = "9"
    & skf18("5","8","5","10","5","9","1") = "9"
    & skf18("5","8","5","10","5","10","1") = "9"
    & skf18("5","8","5","10","6","1","1") = "9"
    & skf18("5","8","5","10","6","2","1") = "9"
    & skf18("5","8","5","10","6","3","1") = "9"
    & skf18("5","8","5","10","6","4","1") = "9"
    & skf18("5","8","5","10","6","5","1") = "9"
    & skf18("5","8","5","10","6","6","1") = "9"
    & skf18("5","8","5","10","6","7","1") = "9"
    & skf18("5","8","5","10","6","8","1") = "9"
    & skf18("5","8","5","10","6","9","1") = "9"
    & skf18("5","8","5","10","6","10","1") = "9"
    & skf18("5","8","5","10","7","1","1") = "9"
    & skf18("5","8","5","10","7","2","1") = "9"
    & skf18("5","8","5","10","7","3","1") = "9"
    & skf18("5","8","5","10","7","4","1") = "9"
    & skf18("5","8","5","10","7","5","1") = "9"
    & skf18("5","8","5","10","7","6","1") = "9"
    & skf18("5","8","5","10","7","7","1") = "9"
    & skf18("5","8","5","10","7","8","1") = "9"
    & skf18("5","8","5","10","7","9","1") = "9"
    & skf18("5","8","5","10","7","10","1") = "9"
    & skf18("5","8","5","10","8","1","1") = "9"
    & skf18("5","8","5","10","8","2","1") = "9"
    & skf18("5","8","5","10","8","3","1") = "9"
    & skf18("5","8","5","10","8","4","1") = "9"
    & skf18("5","8","5","10","8","5","1") = "9"
    & skf18("5","8","5","10","8","6","1") = "9"
    & skf18("5","8","5","10","8","7","1") = "9"
    & skf18("5","8","5","10","8","8","1") = "9"
    & skf18("5","8","5","10","8","9","1") = "9"
    & skf18("5","8","5","10","8","10","1") = "9"
    & skf18("5","8","5","10","9","1","1") = "9"
    & skf18("5","8","5","10","9","2","1") = "9"
    & skf18("5","8","5","10","9","3","1") = "9"
    & skf18("5","8","5","10","9","4","1") = "9"
    & skf18("5","8","5","10","9","5","1") = "9"
    & skf18("5","8","5","10","9","6","1") = "9"
    & skf18("5","8","5","10","9","7","1") = "9"
    & skf18("5","8","5","10","9","8","1") = "9"
    & skf18("5","8","5","10","9","9","1") = "9"
    & skf18("5","8","5","10","9","10","1") = "9"
    & skf18("5","8","5","10","10","1","1") = "9"
    & skf18("5","8","5","10","10","2","1") = "9"
    & skf18("5","8","5","10","10","3","1") = "9"
    & skf18("5","8","5","10","10","4","1") = "9"
    & skf18("5","8","5","10","10","5","1") = "9"
    & skf18("5","8","5","10","10","6","1") = "9"
    & skf18("5","8","5","10","10","7","1") = "9"
    & skf18("5","8","5","10","10","8","1") = "9"
    & skf18("5","8","5","10","10","9","1") = "9"
    & skf18("5","8","5","10","10","10","1") = "9"
    & skf18("5","8","6","1","1","1","1") = "7"
    & skf18("5","8","6","1","1","2","1") = "7"
    & skf18("5","8","6","1","1","3","1") = "7"
    & skf18("5","8","6","1","1","4","1") = "7"
    & skf18("5","8","6","1","1","5","1") = "7"
    & skf18("5","8","6","1","1","6","1") = "7"
    & skf18("5","8","6","1","1","7","1") = "7"
    & skf18("5","8","6","1","1","8","1") = "7"
    & skf18("5","8","6","1","1","9","1") = "8"
    & skf18("5","8","6","1","1","10","1") = "9"
    & skf18("5","8","6","1","2","1","1") = "7"
    & skf18("5","8","6","1","2","2","1") = "7"
    & skf18("5","8","6","1","2","3","1") = "7"
    & skf18("5","8","6","1","2","4","1") = "7"
    & skf18("5","8","6","1","2","5","1") = "7"
    & skf18("5","8","6","1","2","6","1") = "7"
    & skf18("5","8","6","1","2","7","1") = "7"
    & skf18("5","8","6","1","2","8","1") = "7"
    & skf18("5","8","6","1","2","9","1") = "8"
    & skf18("5","8","6","1","2","10","1") = "9"
    & skf18("5","8","6","1","3","1","1") = "7"
    & skf18("5","8","6","1","3","2","1") = "7"
    & skf18("5","8","6","1","3","3","1") = "7"
    & skf18("5","8","6","1","3","4","1") = "7"
    & skf18("5","8","6","1","3","5","1") = "7"
    & skf18("5","8","6","1","3","6","1") = "7"
    & skf18("5","8","6","1","3","7","1") = "7"
    & skf18("5","8","6","1","3","8","1") = "7"
    & skf18("5","8","6","1","3","9","1") = "8"
    & skf18("5","8","6","1","3","10","1") = "9"
    & skf18("5","8","6","1","4","1","1") = "7"
    & skf18("5","8","6","1","4","2","1") = "7"
    & skf18("5","8","6","1","4","3","1") = "7"
    & skf18("5","8","6","1","4","4","1") = "7"
    & skf18("5","8","6","1","4","5","1") = "7"
    & skf18("5","8","6","1","4","6","1") = "7"
    & skf18("5","8","6","1","4","7","1") = "7"
    & skf18("5","8","6","1","4","8","1") = "7"
    & skf18("5","8","6","1","4","9","1") = "8"
    & skf18("5","8","6","1","4","10","1") = "9"
    & skf18("5","8","6","1","5","1","1") = "7"
    & skf18("5","8","6","1","5","2","1") = "7"
    & skf18("5","8","6","1","5","3","1") = "7"
    & skf18("5","8","6","1","5","4","1") = "7"
    & skf18("5","8","6","1","5","5","1") = "7"
    & skf18("5","8","6","1","5","6","1") = "7"
    & skf18("5","8","6","1","5","7","1") = "7"
    & skf18("5","8","6","1","5","8","1") = "7"
    & skf18("5","8","6","1","5","9","1") = "8"
    & skf18("5","8","6","1","5","10","1") = "9"
    & skf18("5","8","6","1","6","1","1") = "7"
    & skf18("5","8","6","1","6","2","1") = "7"
    & skf18("5","8","6","1","6","3","1") = "7"
    & skf18("5","8","6","1","6","4","1") = "7"
    & skf18("5","8","6","1","6","5","1") = "7"
    & skf18("5","8","6","1","6","6","1") = "7"
    & skf18("5","8","6","1","6","7","1") = "7"
    & skf18("5","8","6","1","6","8","1") = "7"
    & skf18("5","8","6","1","6","9","1") = "8"
    & skf18("5","8","6","1","6","10","1") = "9"
    & skf18("5","8","6","1","7","1","1") = "7"
    & skf18("5","8","6","1","7","2","1") = "7"
    & skf18("5","8","6","1","7","3","1") = "7"
    & skf18("5","8","6","1","7","4","1") = "7"
    & skf18("5","8","6","1","7","5","1") = "7"
    & skf18("5","8","6","1","7","6","1") = "7"
    & skf18("5","8","6","1","7","7","1") = "7"
    & skf18("5","8","6","1","7","8","1") = "7"
    & skf18("5","8","6","1","7","9","1") = "8"
    & skf18("5","8","6","1","7","10","1") = "9"
    & skf18("5","8","6","1","8","1","1") = "7"
    & skf18("5","8","6","1","8","2","1") = "7"
    & skf18("5","8","6","1","8","3","1") = "7"
    & skf18("5","8","6","1","8","4","1") = "7"
    & skf18("5","8","6","1","8","5","1") = "7"
    & skf18("5","8","6","1","8","6","1") = "7"
    & skf18("5","8","6","1","8","7","1") = "7"
    & skf18("5","8","6","1","8","8","1") = "7"
    & skf18("5","8","6","1","8","9","1") = "8"
    & skf18("5","8","6","1","8","10","1") = "9"
    & skf18("5","8","6","1","9","1","1") = "8"
    & skf18("5","8","6","1","9","2","1") = "8"
    & skf18("5","8","6","1","9","3","1") = "8"
    & skf18("5","8","6","1","9","4","1") = "8"
    & skf18("5","8","6","1","9","5","1") = "8"
    & skf18("5","8","6","1","9","6","1") = "8"
    & skf18("5","8","6","1","9","7","1") = "8"
    & skf18("5","8","6","1","9","8","1") = "8"
    & skf18("5","8","6","1","9","9","1") = "8"
    & skf18("5","8","6","1","9","10","1") = "9"
    & skf18("5","8","6","1","10","1","1") = "9"
    & skf18("5","8","6","1","10","2","1") = "9"
    & skf18("5","8","6","1","10","3","1") = "9"
    & skf18("5","8","6","1","10","4","1") = "9"
    & skf18("5","8","6","1","10","5","1") = "9"
    & skf18("5","8","6","1","10","6","1") = "9"
    & skf18("5","8","6","1","10","7","1") = "9"
    & skf18("5","8","6","1","10","8","1") = "9"
    & skf18("5","8","6","1","10","9","1") = "9"
    & skf18("5","8","6","1","10","10","1") = "9"
    & skf18("5","8","6","2","1","1","1") = "7"
    & skf18("5","8","6","2","1","2","1") = "7"
    & skf18("5","8","6","2","1","3","1") = "7"
    & skf18("5","8","6","2","1","4","1") = "7"
    & skf18("5","8","6","2","1","5","1") = "7"
    & skf18("5","8","6","2","1","6","1") = "7"
    & skf18("5","8","6","2","1","7","1") = "7"
    & skf18("5","8","6","2","1","8","1") = "7"
    & skf18("5","8","6","2","1","9","1") = "8"
    & skf18("5","8","6","2","1","10","1") = "9"
    & skf18("5","8","6","2","2","1","1") = "7"
    & skf18("5","8","6","2","2","2","1") = "7"
    & skf18("5","8","6","2","2","3","1") = "7"
    & skf18("5","8","6","2","2","4","1") = "7"
    & skf18("5","8","6","2","2","5","1") = "7"
    & skf18("5","8","6","2","2","6","1") = "7"
    & skf18("5","8","6","2","2","7","1") = "7"
    & skf18("5","8","6","2","2","8","1") = "7"
    & skf18("5","8","6","2","2","9","1") = "8"
    & skf18("5","8","6","2","2","10","1") = "9"
    & skf18("5","8","6","2","3","1","1") = "7"
    & skf18("5","8","6","2","3","2","1") = "7"
    & skf18("5","8","6","2","3","3","1") = "7"
    & skf18("5","8","6","2","3","4","1") = "7"
    & skf18("5","8","6","2","3","5","1") = "7"
    & skf18("5","8","6","2","3","6","1") = "7"
    & skf18("5","8","6","2","3","7","1") = "7"
    & skf18("5","8","6","2","3","8","1") = "7"
    & skf18("5","8","6","2","3","9","1") = "8"
    & skf18("5","8","6","2","3","10","1") = "9"
    & skf18("5","8","6","2","4","1","1") = "7"
    & skf18("5","8","6","2","4","2","1") = "7"
    & skf18("5","8","6","2","4","3","1") = "7"
    & skf18("5","8","6","2","4","4","1") = "7"
    & skf18("5","8","6","2","4","5","1") = "7"
    & skf18("5","8","6","2","4","6","1") = "7"
    & skf18("5","8","6","2","4","7","1") = "7"
    & skf18("5","8","6","2","4","8","1") = "7"
    & skf18("5","8","6","2","4","9","1") = "8"
    & skf18("5","8","6","2","4","10","1") = "9"
    & skf18("5","8","6","2","5","1","1") = "7"
    & skf18("5","8","6","2","5","2","1") = "7"
    & skf18("5","8","6","2","5","3","1") = "7"
    & skf18("5","8","6","2","5","4","1") = "7"
    & skf18("5","8","6","2","5","5","1") = "7"
    & skf18("5","8","6","2","5","6","1") = "7"
    & skf18("5","8","6","2","5","7","1") = "7"
    & skf18("5","8","6","2","5","8","1") = "7"
    & skf18("5","8","6","2","5","9","1") = "8"
    & skf18("5","8","6","2","5","10","1") = "9"
    & skf18("5","8","6","2","6","1","1") = "7"
    & skf18("5","8","6","2","6","2","1") = "7"
    & skf18("5","8","6","2","6","3","1") = "7"
    & skf18("5","8","6","2","6","4","1") = "7"
    & skf18("5","8","6","2","6","5","1") = "7"
    & skf18("5","8","6","2","6","6","1") = "7"
    & skf18("5","8","6","2","6","7","1") = "7"
    & skf18("5","8","6","2","6","8","1") = "7"
    & skf18("5","8","6","2","6","9","1") = "8"
    & skf18("5","8","6","2","6","10","1") = "9"
    & skf18("5","8","6","2","7","1","1") = "7"
    & skf18("5","8","6","2","7","2","1") = "7"
    & skf18("5","8","6","2","7","3","1") = "7"
    & skf18("5","8","6","2","7","4","1") = "7"
    & skf18("5","8","6","2","7","5","1") = "7"
    & skf18("5","8","6","2","7","6","1") = "7"
    & skf18("5","8","6","2","7","7","1") = "7"
    & skf18("5","8","6","2","7","8","1") = "7"
    & skf18("5","8","6","2","7","9","1") = "8"
    & skf18("5","8","6","2","7","10","1") = "9"
    & skf18("5","8","6","2","8","1","1") = "7"
    & skf18("5","8","6","2","8","2","1") = "7"
    & skf18("5","8","6","2","8","3","1") = "7"
    & skf18("5","8","6","2","8","4","1") = "7"
    & skf18("5","8","6","2","8","5","1") = "7"
    & skf18("5","8","6","2","8","6","1") = "7"
    & skf18("5","8","6","2","8","7","1") = "7"
    & skf18("5","8","6","2","8","8","1") = "7"
    & skf18("5","8","6","2","8","9","1") = "8"
    & skf18("5","8","6","2","8","10","1") = "9"
    & skf18("5","8","6","2","9","1","1") = "8"
    & skf18("5","8","6","2","9","2","1") = "8"
    & skf18("5","8","6","2","9","3","1") = "8"
    & skf18("5","8","6","2","9","4","1") = "8"
    & skf18("5","8","6","2","9","5","1") = "8"
    & skf18("5","8","6","2","9","6","1") = "8"
    & skf18("5","8","6","2","9","7","1") = "8"
    & skf18("5","8","6","2","9","8","1") = "8"
    & skf18("5","8","6","2","9","9","1") = "8"
    & skf18("5","8","6","2","9","10","1") = "9"
    & skf18("5","8","6","2","10","1","1") = "9"
    & skf18("5","8","6","2","10","2","1") = "9"
    & skf18("5","8","6","2","10","3","1") = "9"
    & skf18("5","8","6","2","10","4","1") = "9"
    & skf18("5","8","6","2","10","5","1") = "9"
    & skf18("5","8","6","2","10","6","1") = "9"
    & skf18("5","8","6","2","10","7","1") = "9"
    & skf18("5","8","6","2","10","8","1") = "9"
    & skf18("5","8","6","2","10","9","1") = "9"
    & skf18("5","8","6","2","10","10","1") = "9"
    & skf18("5","8","6","3","1","1","1") = "7"
    & skf18("5","8","6","3","1","2","1") = "7"
    & skf18("5","8","6","3","1","3","1") = "7"
    & skf18("5","8","6","3","1","4","1") = "7"
    & skf18("5","8","6","3","1","5","1") = "7"
    & skf18("5","8","6","3","1","6","1") = "7"
    & skf18("5","8","6","3","1","7","1") = "7"
    & skf18("5","8","6","3","1","8","1") = "7"
    & skf18("5","8","6","3","1","9","1") = "8"
    & skf18("5","8","6","3","1","10","1") = "9"
    & skf18("5","8","6","3","2","1","1") = "7"
    & skf18("5","8","6","3","2","2","1") = "7"
    & skf18("5","8","6","3","2","3","1") = "7"
    & skf18("5","8","6","3","2","4","1") = "7"
    & skf18("5","8","6","3","2","5","1") = "7"
    & skf18("5","8","6","3","2","6","1") = "7"
    & skf18("5","8","6","3","2","7","1") = "7"
    & skf18("5","8","6","3","2","8","1") = "7"
    & skf18("5","8","6","3","2","9","1") = "8"
    & skf18("5","8","6","3","2","10","1") = "9"
    & skf18("5","8","6","3","3","1","1") = "7"
    & skf18("5","8","6","3","3","2","1") = "7"
    & skf18("5","8","6","3","3","3","1") = "7"
    & skf18("5","8","6","3","3","4","1") = "7"
    & skf18("5","8","6","3","3","5","1") = "7"
    & skf18("5","8","6","3","3","6","1") = "7"
    & skf18("5","8","6","3","3","7","1") = "7"
    & skf18("5","8","6","3","3","8","1") = "7"
    & skf18("5","8","6","3","3","9","1") = "8"
    & skf18("5","8","6","3","3","10","1") = "9"
    & skf18("5","8","6","3","4","1","1") = "7"
    & skf18("5","8","6","3","4","2","1") = "7"
    & skf18("5","8","6","3","4","3","1") = "7"
    & skf18("5","8","6","3","4","4","1") = "7"
    & skf18("5","8","6","3","4","5","1") = "7"
    & skf18("5","8","6","3","4","6","1") = "7"
    & skf18("5","8","6","3","4","7","1") = "7"
    & skf18("5","8","6","3","4","8","1") = "7"
    & skf18("5","8","6","3","4","9","1") = "8"
    & skf18("5","8","6","3","4","10","1") = "9"
    & skf18("5","8","6","3","5","1","1") = "7"
    & skf18("5","8","6","3","5","2","1") = "7"
    & skf18("5","8","6","3","5","3","1") = "7"
    & skf18("5","8","6","3","5","4","1") = "7"
    & skf18("5","8","6","3","5","5","1") = "7"
    & skf18("5","8","6","3","5","6","1") = "7"
    & skf18("5","8","6","3","5","7","1") = "7"
    & skf18("5","8","6","3","5","8","1") = "7"
    & skf18("5","8","6","3","5","9","1") = "8"
    & skf18("5","8","6","3","5","10","1") = "9"
    & skf18("5","8","6","3","6","1","1") = "7"
    & skf18("5","8","6","3","6","2","1") = "7"
    & skf18("5","8","6","3","6","3","1") = "7"
    & skf18("5","8","6","3","6","4","1") = "7"
    & skf18("5","8","6","3","6","5","1") = "7"
    & skf18("5","8","6","3","6","6","1") = "7"
    & skf18("5","8","6","3","6","7","1") = "7"
    & skf18("5","8","6","3","6","8","1") = "7"
    & skf18("5","8","6","3","6","9","1") = "8"
    & skf18("5","8","6","3","6","10","1") = "9"
    & skf18("5","8","6","3","7","1","1") = "7"
    & skf18("5","8","6","3","7","2","1") = "7"
    & skf18("5","8","6","3","7","3","1") = "7"
    & skf18("5","8","6","3","7","4","1") = "7"
    & skf18("5","8","6","3","7","5","1") = "7"
    & skf18("5","8","6","3","7","6","1") = "7"
    & skf18("5","8","6","3","7","7","1") = "7"
    & skf18("5","8","6","3","7","8","1") = "7"
    & skf18("5","8","6","3","7","9","1") = "8"
    & skf18("5","8","6","3","7","10","1") = "9"
    & skf18("5","8","6","3","8","1","1") = "7"
    & skf18("5","8","6","3","8","2","1") = "7"
    & skf18("5","8","6","3","8","3","1") = "7"
    & skf18("5","8","6","3","8","4","1") = "7"
    & skf18("5","8","6","3","8","5","1") = "7"
    & skf18("5","8","6","3","8","6","1") = "7"
    & skf18("5","8","6","3","8","7","1") = "7"
    & skf18("5","8","6","3","8","8","1") = "7"
    & skf18("5","8","6","3","8","9","1") = "8"
    & skf18("5","8","6","3","8","10","1") = "9"
    & skf18("5","8","6","3","9","1","1") = "8"
    & skf18("5","8","6","3","9","2","1") = "8"
    & skf18("5","8","6","3","9","3","1") = "8"
    & skf18("5","8","6","3","9","4","1") = "8"
    & skf18("5","8","6","3","9","5","1") = "8"
    & skf18("5","8","6","3","9","6","1") = "8"
    & skf18("5","8","6","3","9","7","1") = "8"
    & skf18("5","8","6","3","9","8","1") = "8"
    & skf18("5","8","6","3","9","9","1") = "8"
    & skf18("5","8","6","3","9","10","1") = "9"
    & skf18("5","8","6","3","10","1","1") = "9"
    & skf18("5","8","6","3","10","2","1") = "9"
    & skf18("5","8","6","3","10","3","1") = "9"
    & skf18("5","8","6","3","10","4","1") = "9"
    & skf18("5","8","6","3","10","5","1") = "9"
    & skf18("5","8","6","3","10","6","1") = "9"
    & skf18("5","8","6","3","10","7","1") = "9"
    & skf18("5","8","6","3","10","8","1") = "9"
    & skf18("5","8","6","3","10","9","1") = "9"
    & skf18("5","8","6","3","10","10","1") = "9"
    & skf18("5","8","6","4","1","1","1") = "7"
    & skf18("5","8","6","4","1","2","1") = "7"
    & skf18("5","8","6","4","1","3","1") = "7"
    & skf18("5","8","6","4","1","4","1") = "7"
    & skf18("5","8","6","4","1","5","1") = "7"
    & skf18("5","8","6","4","1","6","1") = "7"
    & skf18("5","8","6","4","1","7","1") = "7"
    & skf18("5","8","6","4","1","8","1") = "7"
    & skf18("5","8","6","4","1","9","1") = "8"
    & skf18("5","8","6","4","1","10","1") = "9"
    & skf18("5","8","6","4","2","1","1") = "7"
    & skf18("5","8","6","4","2","2","1") = "7"
    & skf18("5","8","6","4","2","3","1") = "7"
    & skf18("5","8","6","4","2","4","1") = "7"
    & skf18("5","8","6","4","2","5","1") = "7"
    & skf18("5","8","6","4","2","6","1") = "7"
    & skf18("5","8","6","4","2","7","1") = "7"
    & skf18("5","8","6","4","2","8","1") = "7"
    & skf18("5","8","6","4","2","9","1") = "8"
    & skf18("5","8","6","4","2","10","1") = "9"
    & skf18("5","8","6","4","3","1","1") = "7"
    & skf18("5","8","6","4","3","2","1") = "7"
    & skf18("5","8","6","4","3","3","1") = "7"
    & skf18("5","8","6","4","3","4","1") = "7"
    & skf18("5","8","6","4","3","5","1") = "7"
    & skf18("5","8","6","4","3","6","1") = "7"
    & skf18("5","8","6","4","3","7","1") = "7"
    & skf18("5","8","6","4","3","8","1") = "7"
    & skf18("5","8","6","4","3","9","1") = "8"
    & skf18("5","8","6","4","3","10","1") = "9"
    & skf18("5","8","6","4","4","1","1") = "7"
    & skf18("5","8","6","4","4","2","1") = "7"
    & skf18("5","8","6","4","4","3","1") = "7"
    & skf18("5","8","6","4","4","4","1") = "7"
    & skf18("5","8","6","4","4","5","1") = "7"
    & skf18("5","8","6","4","4","6","1") = "7"
    & skf18("5","8","6","4","4","7","1") = "7"
    & skf18("5","8","6","4","4","8","1") = "7"
    & skf18("5","8","6","4","4","9","1") = "8"
    & skf18("5","8","6","4","4","10","1") = "9"
    & skf18("5","8","6","4","5","1","1") = "7"
    & skf18("5","8","6","4","5","2","1") = "7"
    & skf18("5","8","6","4","5","3","1") = "7"
    & skf18("5","8","6","4","5","4","1") = "7"
    & skf18("5","8","6","4","5","5","1") = "7"
    & skf18("5","8","6","4","5","6","1") = "7"
    & skf18("5","8","6","4","5","7","1") = "7"
    & skf18("5","8","6","4","5","8","1") = "7"
    & skf18("5","8","6","4","5","9","1") = "8"
    & skf18("5","8","6","4","5","10","1") = "9"
    & skf18("5","8","6","4","6","1","1") = "7"
    & skf18("5","8","6","4","6","2","1") = "7"
    & skf18("5","8","6","4","6","3","1") = "7"
    & skf18("5","8","6","4","6","4","1") = "7"
    & skf18("5","8","6","4","6","5","1") = "7"
    & skf18("5","8","6","4","6","6","1") = "7"
    & skf18("5","8","6","4","6","7","1") = "7"
    & skf18("5","8","6","4","6","8","1") = "7"
    & skf18("5","8","6","4","6","9","1") = "8"
    & skf18("5","8","6","4","6","10","1") = "9"
    & skf18("5","8","6","4","7","1","1") = "7"
    & skf18("5","8","6","4","7","2","1") = "7"
    & skf18("5","8","6","4","7","3","1") = "7"
    & skf18("5","8","6","4","7","4","1") = "7"
    & skf18("5","8","6","4","7","5","1") = "7"
    & skf18("5","8","6","4","7","6","1") = "7"
    & skf18("5","8","6","4","7","7","1") = "7"
    & skf18("5","8","6","4","7","8","1") = "7"
    & skf18("5","8","6","4","7","9","1") = "8"
    & skf18("5","8","6","4","7","10","1") = "9"
    & skf18("5","8","6","4","8","1","1") = "7"
    & skf18("5","8","6","4","8","2","1") = "7"
    & skf18("5","8","6","4","8","3","1") = "7"
    & skf18("5","8","6","4","8","4","1") = "7"
    & skf18("5","8","6","4","8","5","1") = "7"
    & skf18("5","8","6","4","8","6","1") = "7"
    & skf18("5","8","6","4","8","7","1") = "7"
    & skf18("5","8","6","4","8","8","1") = "7"
    & skf18("5","8","6","4","8","9","1") = "8"
    & skf18("5","8","6","4","8","10","1") = "9"
    & skf18("5","8","6","4","9","1","1") = "8"
    & skf18("5","8","6","4","9","2","1") = "8"
    & skf18("5","8","6","4","9","3","1") = "8"
    & skf18("5","8","6","4","9","4","1") = "8"
    & skf18("5","8","6","4","9","5","1") = "8"
    & skf18("5","8","6","4","9","6","1") = "8"
    & skf18("5","8","6","4","9","7","1") = "8"
    & skf18("5","8","6","4","9","8","1") = "8"
    & skf18("5","8","6","4","9","9","1") = "8"
    & skf18("5","8","6","4","9","10","1") = "9"
    & skf18("5","8","6","4","10","1","1") = "9"
    & skf18("5","8","6","4","10","2","1") = "9"
    & skf18("5","8","6","4","10","3","1") = "9"
    & skf18("5","8","6","4","10","4","1") = "9"
    & skf18("5","8","6","4","10","5","1") = "9"
    & skf18("5","8","6","4","10","6","1") = "9"
    & skf18("5","8","6","4","10","7","1") = "9"
    & skf18("5","8","6","4","10","8","1") = "9"
    & skf18("5","8","6","4","10","9","1") = "9"
    & skf18("5","8","6","4","10","10","1") = "9"
    & skf18("5","8","6","5","1","1","1") = "7"
    & skf18("5","8","6","5","1","2","1") = "7"
    & skf18("5","8","6","5","1","3","1") = "7"
    & skf18("5","8","6","5","1","4","1") = "7"
    & skf18("5","8","6","5","1","5","1") = "7"
    & skf18("5","8","6","5","1","6","1") = "7"
    & skf18("5","8","6","5","1","7","1") = "7"
    & skf18("5","8","6","5","1","8","1") = "7"
    & skf18("5","8","6","5","1","9","1") = "8"
    & skf18("5","8","6","5","1","10","1") = "9"
    & skf18("5","8","6","5","2","1","1") = "7"
    & skf18("5","8","6","5","2","2","1") = "7"
    & skf18("5","8","6","5","2","3","1") = "7"
    & skf18("5","8","6","5","2","4","1") = "7"
    & skf18("5","8","6","5","2","5","1") = "7"
    & skf18("5","8","6","5","2","6","1") = "7"
    & skf18("5","8","6","5","2","7","1") = "7"
    & skf18("5","8","6","5","2","8","1") = "7"
    & skf18("5","8","6","5","2","9","1") = "8"
    & skf18("5","8","6","5","2","10","1") = "9"
    & skf18("5","8","6","5","3","1","1") = "7"
    & skf18("5","8","6","5","3","2","1") = "7"
    & skf18("5","8","6","5","3","3","1") = "7"
    & skf18("5","8","6","5","3","4","1") = "7"
    & skf18("5","8","6","5","3","5","1") = "7"
    & skf18("5","8","6","5","3","6","1") = "7"
    & skf18("5","8","6","5","3","7","1") = "7"
    & skf18("5","8","6","5","3","8","1") = "7"
    & skf18("5","8","6","5","3","9","1") = "8"
    & skf18("5","8","6","5","3","10","1") = "9"
    & skf18("5","8","6","5","4","1","1") = "7"
    & skf18("5","8","6","5","4","2","1") = "7"
    & skf18("5","8","6","5","4","3","1") = "7"
    & skf18("5","8","6","5","4","4","1") = "7"
    & skf18("5","8","6","5","4","5","1") = "7"
    & skf18("5","8","6","5","4","6","1") = "7"
    & skf18("5","8","6","5","4","7","1") = "7"
    & skf18("5","8","6","5","4","8","1") = "7"
    & skf18("5","8","6","5","4","9","1") = "8"
    & skf18("5","8","6","5","4","10","1") = "9"
    & skf18("5","8","6","5","5","1","1") = "7"
    & skf18("5","8","6","5","5","2","1") = "7"
    & skf18("5","8","6","5","5","3","1") = "7"
    & skf18("5","8","6","5","5","4","1") = "7"
    & skf18("5","8","6","5","5","5","1") = "7"
    & skf18("5","8","6","5","5","6","1") = "7"
    & skf18("5","8","6","5","5","7","1") = "7"
    & skf18("5","8","6","5","5","8","1") = "7"
    & skf18("5","8","6","5","5","9","1") = "8"
    & skf18("5","8","6","5","5","10","1") = "9"
    & skf18("5","8","6","5","6","1","1") = "7"
    & skf18("5","8","6","5","6","2","1") = "7"
    & skf18("5","8","6","5","6","3","1") = "7"
    & skf18("5","8","6","5","6","4","1") = "7"
    & skf18("5","8","6","5","6","5","1") = "7"
    & skf18("5","8","6","5","6","6","1") = "7"
    & skf18("5","8","6","5","6","7","1") = "7"
    & skf18("5","8","6","5","6","8","1") = "7"
    & skf18("5","8","6","5","6","9","1") = "8"
    & skf18("5","8","6","5","6","10","1") = "9"
    & skf18("5","8","6","5","7","1","1") = "7"
    & skf18("5","8","6","5","7","2","1") = "7"
    & skf18("5","8","6","5","7","3","1") = "7"
    & skf18("5","8","6","5","7","4","1") = "7"
    & skf18("5","8","6","5","7","5","1") = "7"
    & skf18("5","8","6","5","7","6","1") = "7"
    & skf18("5","8","6","5","7","7","1") = "7"
    & skf18("5","8","6","5","7","8","1") = "7"
    & skf18("5","8","6","5","7","9","1") = "8"
    & skf18("5","8","6","5","7","10","1") = "9"
    & skf18("5","8","6","5","8","1","1") = "7"
    & skf18("5","8","6","5","8","2","1") = "7"
    & skf18("5","8","6","5","8","3","1") = "7"
    & skf18("5","8","6","5","8","4","1") = "7"
    & skf18("5","8","6","5","8","5","1") = "7"
    & skf18("5","8","6","5","8","6","1") = "7"
    & skf18("5","8","6","5","8","7","1") = "7"
    & skf18("5","8","6","5","8","8","1") = "7"
    & skf18("5","8","6","5","8","9","1") = "8"
    & skf18("5","8","6","5","8","10","1") = "9"
    & skf18("5","8","6","5","9","1","1") = "8"
    & skf18("5","8","6","5","9","2","1") = "8"
    & skf18("5","8","6","5","9","3","1") = "8"
    & skf18("5","8","6","5","9","4","1") = "8"
    & skf18("5","8","6","5","9","5","1") = "8"
    & skf18("5","8","6","5","9","6","1") = "8"
    & skf18("5","8","6","5","9","7","1") = "8"
    & skf18("5","8","6","5","9","8","1") = "8"
    & skf18("5","8","6","5","9","9","1") = "8"
    & skf18("5","8","6","5","9","10","1") = "9"
    & skf18("5","8","6","5","10","1","1") = "9"
    & skf18("5","8","6","5","10","2","1") = "9"
    & skf18("5","8","6","5","10","3","1") = "9"
    & skf18("5","8","6","5","10","4","1") = "9"
    & skf18("5","8","6","5","10","5","1") = "9"
    & skf18("5","8","6","5","10","6","1") = "9"
    & skf18("5","8","6","5","10","7","1") = "9"
    & skf18("5","8","6","5","10","8","1") = "9"
    & skf18("5","8","6","5","10","9","1") = "9"
    & skf18("5","8","6","5","10","10","1") = "9"
    & skf18("5","8","6","6","1","1","1") = "7"
    & skf18("5","8","6","6","1","2","1") = "7"
    & skf18("5","8","6","6","1","3","1") = "7"
    & skf18("5","8","6","6","1","4","1") = "7"
    & skf18("5","8","6","6","1","5","1") = "7"
    & skf18("5","8","6","6","1","6","1") = "7"
    & skf18("5","8","6","6","1","7","1") = "7"
    & skf18("5","8","6","6","1","8","1") = "7"
    & skf18("5","8","6","6","1","9","1") = "8"
    & skf18("5","8","6","6","1","10","1") = "9"
    & skf18("5","8","6","6","2","1","1") = "7"
    & skf18("5","8","6","6","2","2","1") = "7"
    & skf18("5","8","6","6","2","3","1") = "7"
    & skf18("5","8","6","6","2","4","1") = "7"
    & skf18("5","8","6","6","2","5","1") = "7"
    & skf18("5","8","6","6","2","6","1") = "7"
    & skf18("5","8","6","6","2","7","1") = "7"
    & skf18("5","8","6","6","2","8","1") = "7"
    & skf18("5","8","6","6","2","9","1") = "8"
    & skf18("5","8","6","6","2","10","1") = "9"
    & skf18("5","8","6","6","3","1","1") = "7"
    & skf18("5","8","6","6","3","2","1") = "7"
    & skf18("5","8","6","6","3","3","1") = "7"
    & skf18("5","8","6","6","3","4","1") = "7"
    & skf18("5","8","6","6","3","5","1") = "7"
    & skf18("5","8","6","6","3","6","1") = "7"
    & skf18("5","8","6","6","3","7","1") = "7"
    & skf18("5","8","6","6","3","8","1") = "7"
    & skf18("5","8","6","6","3","9","1") = "8"
    & skf18("5","8","6","6","3","10","1") = "9"
    & skf18("5","8","6","6","4","1","1") = "7"
    & skf18("5","8","6","6","4","2","1") = "7"
    & skf18("5","8","6","6","4","3","1") = "7"
    & skf18("5","8","6","6","4","4","1") = "7"
    & skf18("5","8","6","6","4","5","1") = "7"
    & skf18("5","8","6","6","4","6","1") = "7"
    & skf18("5","8","6","6","4","7","1") = "7"
    & skf18("5","8","6","6","4","8","1") = "7"
    & skf18("5","8","6","6","4","9","1") = "8"
    & skf18("5","8","6","6","4","10","1") = "9"
    & skf18("5","8","6","6","5","1","1") = "7"
    & skf18("5","8","6","6","5","2","1") = "7"
    & skf18("5","8","6","6","5","3","1") = "7"
    & skf18("5","8","6","6","5","4","1") = "7"
    & skf18("5","8","6","6","5","5","1") = "7"
    & skf18("5","8","6","6","5","6","1") = "7"
    & skf18("5","8","6","6","5","7","1") = "7"
    & skf18("5","8","6","6","5","8","1") = "7"
    & skf18("5","8","6","6","5","9","1") = "8"
    & skf18("5","8","6","6","5","10","1") = "9"
    & skf18("5","8","6","6","6","1","1") = "7"
    & skf18("5","8","6","6","6","2","1") = "7"
    & skf18("5","8","6","6","6","3","1") = "7"
    & skf18("5","8","6","6","6","4","1") = "7"
    & skf18("5","8","6","6","6","5","1") = "7"
    & skf18("5","8","6","6","6","6","1") = "7"
    & skf18("5","8","6","6","6","7","1") = "7"
    & skf18("5","8","6","6","6","8","1") = "7"
    & skf18("5","8","6","6","6","9","1") = "8"
    & skf18("5","8","6","6","6","10","1") = "9"
    & skf18("5","8","6","6","7","1","1") = "7"
    & skf18("5","8","6","6","7","2","1") = "7"
    & skf18("5","8","6","6","7","3","1") = "7"
    & skf18("5","8","6","6","7","4","1") = "7"
    & skf18("5","8","6","6","7","5","1") = "7"
    & skf18("5","8","6","6","7","6","1") = "7"
    & skf18("5","8","6","6","7","7","1") = "7"
    & skf18("5","8","6","6","7","8","1") = "7"
    & skf18("5","8","6","6","7","9","1") = "8"
    & skf18("5","8","6","6","7","10","1") = "9"
    & skf18("5","8","6","6","8","1","1") = "7"
    & skf18("5","8","6","6","8","2","1") = "7"
    & skf18("5","8","6","6","8","3","1") = "7"
    & skf18("5","8","6","6","8","4","1") = "7"
    & skf18("5","8","6","6","8","5","1") = "7"
    & skf18("5","8","6","6","8","6","1") = "7"
    & skf18("5","8","6","6","8","7","1") = "7"
    & skf18("5","8","6","6","8","8","1") = "7"
    & skf18("5","8","6","6","8","9","1") = "8"
    & skf18("5","8","6","6","8","10","1") = "9"
    & skf18("5","8","6","6","9","1","1") = "8"
    & skf18("5","8","6","6","9","2","1") = "8"
    & skf18("5","8","6","6","9","3","1") = "8"
    & skf18("5","8","6","6","9","4","1") = "8"
    & skf18("5","8","6","6","9","5","1") = "8"
    & skf18("5","8","6","6","9","6","1") = "8"
    & skf18("5","8","6","6","9","7","1") = "8"
    & skf18("5","8","6","6","9","8","1") = "8"
    & skf18("5","8","6","6","9","9","1") = "8"
    & skf18("5","8","6","6","9","10","1") = "9"
    & skf18("5","8","6","6","10","1","1") = "9"
    & skf18("5","8","6","6","10","2","1") = "9"
    & skf18("5","8","6","6","10","3","1") = "9"
    & skf18("5","8","6","6","10","4","1") = "9"
    & skf18("5","8","6","6","10","5","1") = "9"
    & skf18("5","8","6","6","10","6","1") = "9"
    & skf18("5","8","6","6","10","7","1") = "9"
    & skf18("5","8","6","6","10","8","1") = "9"
    & skf18("5","8","6","6","10","9","1") = "9"
    & skf18("5","8","6","6","10","10","1") = "9"
    & skf18("5","8","6","7","1","1","1") = "7"
    & skf18("5","8","6","7","1","2","1") = "7"
    & skf18("5","8","6","7","1","3","1") = "7"
    & skf18("5","8","6","7","1","4","1") = "7"
    & skf18("5","8","6","7","1","5","1") = "7"
    & skf18("5","8","6","7","1","6","1") = "7"
    & skf18("5","8","6","7","1","7","1") = "7"
    & skf18("5","8","6","7","1","8","1") = "7"
    & skf18("5","8","6","7","1","9","1") = "8"
    & skf18("5","8","6","7","1","10","1") = "9"
    & skf18("5","8","6","7","2","1","1") = "7"
    & skf18("5","8","6","7","2","2","1") = "7"
    & skf18("5","8","6","7","2","3","1") = "7"
    & skf18("5","8","6","7","2","4","1") = "7"
    & skf18("5","8","6","7","2","5","1") = "7"
    & skf18("5","8","6","7","2","6","1") = "7"
    & skf18("5","8","6","7","2","7","1") = "7"
    & skf18("5","8","6","7","2","8","1") = "7"
    & skf18("5","8","6","7","2","9","1") = "8"
    & skf18("5","8","6","7","2","10","1") = "9"
    & skf18("5","8","6","7","3","1","1") = "7"
    & skf18("5","8","6","7","3","2","1") = "7"
    & skf18("5","8","6","7","3","3","1") = "7"
    & skf18("5","8","6","7","3","4","1") = "7"
    & skf18("5","8","6","7","3","5","1") = "7"
    & skf18("5","8","6","7","3","6","1") = "7"
    & skf18("5","8","6","7","3","7","1") = "7"
    & skf18("5","8","6","7","3","8","1") = "7"
    & skf18("5","8","6","7","3","9","1") = "8"
    & skf18("5","8","6","7","3","10","1") = "9"
    & skf18("5","8","6","7","4","1","1") = "7"
    & skf18("5","8","6","7","4","2","1") = "7"
    & skf18("5","8","6","7","4","3","1") = "7"
    & skf18("5","8","6","7","4","4","1") = "7"
    & skf18("5","8","6","7","4","5","1") = "7"
    & skf18("5","8","6","7","4","6","1") = "7"
    & skf18("5","8","6","7","4","7","1") = "7"
    & skf18("5","8","6","7","4","8","1") = "7"
    & skf18("5","8","6","7","4","9","1") = "8"
    & skf18("5","8","6","7","4","10","1") = "9"
    & skf18("5","8","6","7","5","1","1") = "7"
    & skf18("5","8","6","7","5","2","1") = "7"
    & skf18("5","8","6","7","5","3","1") = "7"
    & skf18("5","8","6","7","5","4","1") = "7"
    & skf18("5","8","6","7","5","5","1") = "7"
    & skf18("5","8","6","7","5","6","1") = "7"
    & skf18("5","8","6","7","5","7","1") = "7"
    & skf18("5","8","6","7","5","8","1") = "7"
    & skf18("5","8","6","7","5","9","1") = "8"
    & skf18("5","8","6","7","5","10","1") = "9"
    & skf18("5","8","6","7","6","1","1") = "7"
    & skf18("5","8","6","7","6","2","1") = "7"
    & skf18("5","8","6","7","6","3","1") = "7"
    & skf18("5","8","6","7","6","4","1") = "7"
    & skf18("5","8","6","7","6","5","1") = "7"
    & skf18("5","8","6","7","6","6","1") = "7"
    & skf18("5","8","6","7","6","7","1") = "7"
    & skf18("5","8","6","7","6","8","1") = "7"
    & skf18("5","8","6","7","6","9","1") = "8"
    & skf18("5","8","6","7","6","10","1") = "9"
    & skf18("5","8","6","7","7","1","1") = "7"
    & skf18("5","8","6","7","7","2","1") = "7"
    & skf18("5","8","6","7","7","3","1") = "7"
    & skf18("5","8","6","7","7","4","1") = "7"
    & skf18("5","8","6","7","7","5","1") = "7"
    & skf18("5","8","6","7","7","6","1") = "7"
    & skf18("5","8","6","7","7","7","1") = "7"
    & skf18("5","8","6","7","7","8","1") = "7"
    & skf18("5","8","6","7","7","9","1") = "8"
    & skf18("5","8","6","7","7","10","1") = "9"
    & skf18("5","8","6","7","8","1","1") = "7"
    & skf18("5","8","6","7","8","2","1") = "7"
    & skf18("5","8","6","7","8","3","1") = "7"
    & skf18("5","8","6","7","8","4","1") = "7"
    & skf18("5","8","6","7","8","5","1") = "7"
    & skf18("5","8","6","7","8","6","1") = "7"
    & skf18("5","8","6","7","8","7","1") = "7"
    & skf18("5","8","6","7","8","8","1") = "7"
    & skf18("5","8","6","7","8","9","1") = "8"
    & skf18("5","8","6","7","8","10","1") = "9"
    & skf18("5","8","6","7","9","1","1") = "8"
    & skf18("5","8","6","7","9","2","1") = "8"
    & skf18("5","8","6","7","9","3","1") = "8"
    & skf18("5","8","6","7","9","4","1") = "8"
    & skf18("5","8","6","7","9","5","1") = "8"
    & skf18("5","8","6","7","9","6","1") = "8"
    & skf18("5","8","6","7","9","7","1") = "8"
    & skf18("5","8","6","7","9","8","1") = "8"
    & skf18("5","8","6","7","9","9","1") = "8"
    & skf18("5","8","6","7","9","10","1") = "9"
    & skf18("5","8","6","7","10","1","1") = "9"
    & skf18("5","8","6","7","10","2","1") = "9"
    & skf18("5","8","6","7","10","3","1") = "9"
    & skf18("5","8","6","7","10","4","1") = "9"
    & skf18("5","8","6","7","10","5","1") = "9"
    & skf18("5","8","6","7","10","6","1") = "9"
    & skf18("5","8","6","7","10","7","1") = "9"
    & skf18("5","8","6","7","10","8","1") = "9"
    & skf18("5","8","6","7","10","9","1") = "9"
    & skf18("5","8","6","7","10","10","1") = "9"
    & skf18("5","8","6","8","1","1","1") = "7"
    & skf18("5","8","6","8","1","2","1") = "7"
    & skf18("5","8","6","8","1","3","1") = "7"
    & skf18("5","8","6","8","1","4","1") = "7"
    & skf18("5","8","6","8","1","5","1") = "7"
    & skf18("5","8","6","8","1","6","1") = "7"
    & skf18("5","8","6","8","1","7","1") = "7"
    & skf18("5","8","6","8","1","8","1") = "7"
    & skf18("5","8","6","8","1","9","1") = "8"
    & skf18("5","8","6","8","1","10","1") = "9"
    & skf18("5","8","6","8","2","1","1") = "7"
    & skf18("5","8","6","8","2","2","1") = "7"
    & skf18("5","8","6","8","2","3","1") = "7"
    & skf18("5","8","6","8","2","4","1") = "7"
    & skf18("5","8","6","8","2","5","1") = "7"
    & skf18("5","8","6","8","2","6","1") = "7"
    & skf18("5","8","6","8","2","7","1") = "7"
    & skf18("5","8","6","8","2","8","1") = "7"
    & skf18("5","8","6","8","2","9","1") = "8"
    & skf18("5","8","6","8","2","10","1") = "9"
    & skf18("5","8","6","8","3","1","1") = "7"
    & skf18("5","8","6","8","3","2","1") = "7"
    & skf18("5","8","6","8","3","3","1") = "7"
    & skf18("5","8","6","8","3","4","1") = "7"
    & skf18("5","8","6","8","3","5","1") = "7"
    & skf18("5","8","6","8","3","6","1") = "7"
    & skf18("5","8","6","8","3","7","1") = "7"
    & skf18("5","8","6","8","3","8","1") = "7"
    & skf18("5","8","6","8","3","9","1") = "8"
    & skf18("5","8","6","8","3","10","1") = "9"
    & skf18("5","8","6","8","4","1","1") = "7"
    & skf18("5","8","6","8","4","2","1") = "7"
    & skf18("5","8","6","8","4","3","1") = "7"
    & skf18("5","8","6","8","4","4","1") = "7"
    & skf18("5","8","6","8","4","5","1") = "7"
    & skf18("5","8","6","8","4","6","1") = "7"
    & skf18("5","8","6","8","4","7","1") = "7"
    & skf18("5","8","6","8","4","8","1") = "7"
    & skf18("5","8","6","8","4","9","1") = "8"
    & skf18("5","8","6","8","4","10","1") = "9"
    & skf18("5","8","6","8","5","1","1") = "7"
    & skf18("5","8","6","8","5","2","1") = "7"
    & skf18("5","8","6","8","5","3","1") = "7"
    & skf18("5","8","6","8","5","4","1") = "7"
    & skf18("5","8","6","8","5","5","1") = "7"
    & skf18("5","8","6","8","5","6","1") = "7"
    & skf18("5","8","6","8","5","7","1") = "7"
    & skf18("5","8","6","8","5","8","1") = "7"
    & skf18("5","8","6","8","5","9","1") = "8"
    & skf18("5","8","6","8","5","10","1") = "9"
    & skf18("5","8","6","8","6","1","1") = "7"
    & skf18("5","8","6","8","6","2","1") = "7"
    & skf18("5","8","6","8","6","3","1") = "7"
    & skf18("5","8","6","8","6","4","1") = "7"
    & skf18("5","8","6","8","6","5","1") = "7"
    & skf18("5","8","6","8","6","6","1") = "7"
    & skf18("5","8","6","8","6","7","1") = "7"
    & skf18("5","8","6","8","6","8","1") = "7"
    & skf18("5","8","6","8","6","9","1") = "8"
    & skf18("5","8","6","8","6","10","1") = "9"
    & skf18("5","8","6","8","7","1","1") = "7"
    & skf18("5","8","6","8","7","2","1") = "7"
    & skf18("5","8","6","8","7","3","1") = "7"
    & skf18("5","8","6","8","7","4","1") = "7"
    & skf18("5","8","6","8","7","5","1") = "7"
    & skf18("5","8","6","8","7","6","1") = "7"
    & skf18("5","8","6","8","7","7","1") = "7"
    & skf18("5","8","6","8","7","8","1") = "7"
    & skf18("5","8","6","8","7","9","1") = "8"
    & skf18("5","8","6","8","7","10","1") = "9"
    & skf18("5","8","6","8","8","1","1") = "7"
    & skf18("5","8","6","8","8","2","1") = "7"
    & skf18("5","8","6","8","8","3","1") = "7"
    & skf18("5","8","6","8","8","4","1") = "7"
    & skf18("5","8","6","8","8","5","1") = "7"
    & skf18("5","8","6","8","8","6","1") = "7"
    & skf18("5","8","6","8","8","7","1") = "7"
    & skf18("5","8","6","8","8","8","1") = "7"
    & skf18("5","8","6","8","8","9","1") = "8"
    & skf18("5","8","6","8","8","10","1") = "9"
    & skf18("5","8","6","8","9","1","1") = "8"
    & skf18("5","8","6","8","9","2","1") = "8"
    & skf18("5","8","6","8","9","3","1") = "8"
    & skf18("5","8","6","8","9","4","1") = "8"
    & skf18("5","8","6","8","9","5","1") = "8"
    & skf18("5","8","6","8","9","6","1") = "8"
    & skf18("5","8","6","8","9","7","1") = "8"
    & skf18("5","8","6","8","9","8","1") = "8"
    & skf18("5","8","6","8","9","9","1") = "8"
    & skf18("5","8","6","8","9","10","1") = "9"
    & skf18("5","8","6","8","10","1","1") = "9"
    & skf18("5","8","6","8","10","2","1") = "9"
    & skf18("5","8","6","8","10","3","1") = "9"
    & skf18("5","8","6","8","10","4","1") = "9"
    & skf18("5","8","6","8","10","5","1") = "9"
    & skf18("5","8","6","8","10","6","1") = "9"
    & skf18("5","8","6","8","10","7","1") = "9"
    & skf18("5","8","6","8","10","8","1") = "9"
    & skf18("5","8","6","8","10","9","1") = "9"
    & skf18("5","8","6","8","10","10","1") = "9"
    & skf18("5","8","6","9","1","1","1") = "8"
    & skf18("5","8","6","9","1","2","1") = "8"
    & skf18("5","8","6","9","1","3","1") = "8"
    & skf18("5","8","6","9","1","4","1") = "8"
    & skf18("5","8","6","9","1","5","1") = "8"
    & skf18("5","8","6","9","1","6","1") = "8"
    & skf18("5","8","6","9","1","7","1") = "8"
    & skf18("5","8","6","9","1","8","1") = "8"
    & skf18("5","8","6","9","1","9","1") = "8"
    & skf18("5","8","6","9","1","10","1") = "9"
    & skf18("5","8","6","9","2","1","1") = "8"
    & skf18("5","8","6","9","2","2","1") = "8"
    & skf18("5","8","6","9","2","3","1") = "8"
    & skf18("5","8","6","9","2","4","1") = "8"
    & skf18("5","8","6","9","2","5","1") = "8"
    & skf18("5","8","6","9","2","6","1") = "8"
    & skf18("5","8","6","9","2","7","1") = "8"
    & skf18("5","8","6","9","2","8","1") = "8"
    & skf18("5","8","6","9","2","9","1") = "8"
    & skf18("5","8","6","9","2","10","1") = "9"
    & skf18("5","8","6","9","3","1","1") = "8"
    & skf18("5","8","6","9","3","2","1") = "8"
    & skf18("5","8","6","9","3","3","1") = "8"
    & skf18("5","8","6","9","3","4","1") = "8"
    & skf18("5","8","6","9","3","5","1") = "8"
    & skf18("5","8","6","9","3","6","1") = "8"
    & skf18("5","8","6","9","3","7","1") = "8"
    & skf18("5","8","6","9","3","8","1") = "8"
    & skf18("5","8","6","9","3","9","1") = "8"
    & skf18("5","8","6","9","3","10","1") = "9"
    & skf18("5","8","6","9","4","1","1") = "8"
    & skf18("5","8","6","9","4","2","1") = "8"
    & skf18("5","8","6","9","4","3","1") = "8"
    & skf18("5","8","6","9","4","4","1") = "8"
    & skf18("5","8","6","9","4","5","1") = "8"
    & skf18("5","8","6","9","4","6","1") = "8"
    & skf18("5","8","6","9","4","7","1") = "8"
    & skf18("5","8","6","9","4","8","1") = "8"
    & skf18("5","8","6","9","4","9","1") = "8"
    & skf18("5","8","6","9","4","10","1") = "9"
    & skf18("5","8","6","9","5","1","1") = "8"
    & skf18("5","8","6","9","5","2","1") = "8"
    & skf18("5","8","6","9","5","3","1") = "8"
    & skf18("5","8","6","9","5","4","1") = "8"
    & skf18("5","8","6","9","5","5","1") = "8"
    & skf18("5","8","6","9","5","6","1") = "8"
    & skf18("5","8","6","9","5","7","1") = "8"
    & skf18("5","8","6","9","5","8","1") = "8"
    & skf18("5","8","6","9","5","9","1") = "8"
    & skf18("5","8","6","9","5","10","1") = "9"
    & skf18("5","8","6","9","6","1","1") = "8"
    & skf18("5","8","6","9","6","2","1") = "8"
    & skf18("5","8","6","9","6","3","1") = "8"
    & skf18("5","8","6","9","6","4","1") = "8"
    & skf18("5","8","6","9","6","5","1") = "8"
    & skf18("5","8","6","9","6","6","1") = "8"
    & skf18("5","8","6","9","6","7","1") = "8"
    & skf18("5","8","6","9","6","8","1") = "8"
    & skf18("5","8","6","9","6","9","1") = "8"
    & skf18("5","8","6","9","6","10","1") = "9"
    & skf18("5","8","6","9","7","1","1") = "8"
    & skf18("5","8","6","9","7","2","1") = "8"
    & skf18("5","8","6","9","7","3","1") = "8"
    & skf18("5","8","6","9","7","4","1") = "8"
    & skf18("5","8","6","9","7","5","1") = "8"
    & skf18("5","8","6","9","7","6","1") = "8"
    & skf18("5","8","6","9","7","7","1") = "8"
    & skf18("5","8","6","9","7","8","1") = "8"
    & skf18("5","8","6","9","7","9","1") = "8"
    & skf18("5","8","6","9","7","10","1") = "9"
    & skf18("5","8","6","9","8","1","1") = "8"
    & skf18("5","8","6","9","8","2","1") = "8"
    & skf18("5","8","6","9","8","3","1") = "8"
    & skf18("5","8","6","9","8","4","1") = "8"
    & skf18("5","8","6","9","8","5","1") = "8"
    & skf18("5","8","6","9","8","6","1") = "8"
    & skf18("5","8","6","9","8","7","1") = "8"
    & skf18("5","8","6","9","8","8","1") = "8"
    & skf18("5","8","6","9","8","9","1") = "8"
    & skf18("5","8","6","9","8","10","1") = "9"
    & skf18("5","8","6","9","9","1","1") = "8"
    & skf18("5","8","6","9","9","2","1") = "8"
    & skf18("5","8","6","9","9","3","1") = "8"
    & skf18("5","8","6","9","9","4","1") = "8"
    & skf18("5","8","6","9","9","5","1") = "8"
    & skf18("5","8","6","9","9","6","1") = "8"
    & skf18("5","8","6","9","9","7","1") = "8"
    & skf18("5","8","6","9","9","8","1") = "8"
    & skf18("5","8","6","9","9","9","1") = "8"
    & skf18("5","8","6","9","9","10","1") = "9"
    & skf18("5","8","6","9","10","1","1") = "9"
    & skf18("5","8","6","9","10","2","1") = "9"
    & skf18("5","8","6","9","10","3","1") = "9"
    & skf18("5","8","6","9","10","4","1") = "9"
    & skf18("5","8","6","9","10","5","1") = "9"
    & skf18("5","8","6","9","10","6","1") = "9"
    & skf18("5","8","6","9","10","7","1") = "9"
    & skf18("5","8","6","9","10","8","1") = "9"
    & skf18("5","8","6","9","10","9","1") = "9"
    & skf18("5","8","6","9","10","10","1") = "9"
    & skf18("5","8","6","10","1","1","1") = "9"
    & skf18("5","8","6","10","1","2","1") = "9"
    & skf18("5","8","6","10","1","3","1") = "9"
    & skf18("5","8","6","10","1","4","1") = "9"
    & skf18("5","8","6","10","1","5","1") = "9"
    & skf18("5","8","6","10","1","6","1") = "9"
    & skf18("5","8","6","10","1","7","1") = "9"
    & skf18("5","8","6","10","1","8","1") = "9"
    & skf18("5","8","6","10","1","9","1") = "9"
    & skf18("5","8","6","10","1","10","1") = "9"
    & skf18("5","8","6","10","2","1","1") = "9"
    & skf18("5","8","6","10","2","2","1") = "9"
    & skf18("5","8","6","10","2","3","1") = "9"
    & skf18("5","8","6","10","2","4","1") = "9"
    & skf18("5","8","6","10","2","5","1") = "9"
    & skf18("5","8","6","10","2","6","1") = "9"
    & skf18("5","8","6","10","2","7","1") = "9"
    & skf18("5","8","6","10","2","8","1") = "9"
    & skf18("5","8","6","10","2","9","1") = "9"
    & skf18("5","8","6","10","2","10","1") = "9"
    & skf18("5","8","6","10","3","1","1") = "9"
    & skf18("5","8","6","10","3","2","1") = "9"
    & skf18("5","8","6","10","3","3","1") = "9"
    & skf18("5","8","6","10","3","4","1") = "9"
    & skf18("5","8","6","10","3","5","1") = "9"
    & skf18("5","8","6","10","3","6","1") = "9"
    & skf18("5","8","6","10","3","7","1") = "9"
    & skf18("5","8","6","10","3","8","1") = "9"
    & skf18("5","8","6","10","3","9","1") = "9"
    & skf18("5","8","6","10","3","10","1") = "9"
    & skf18("5","8","6","10","4","1","1") = "9"
    & skf18("5","8","6","10","4","2","1") = "9"
    & skf18("5","8","6","10","4","3","1") = "9"
    & skf18("5","8","6","10","4","4","1") = "9"
    & skf18("5","8","6","10","4","5","1") = "9"
    & skf18("5","8","6","10","4","6","1") = "9"
    & skf18("5","8","6","10","4","7","1") = "9"
    & skf18("5","8","6","10","4","8","1") = "9"
    & skf18("5","8","6","10","4","9","1") = "9"
    & skf18("5","8","6","10","4","10","1") = "9"
    & skf18("5","8","6","10","5","1","1") = "9"
    & skf18("5","8","6","10","5","2","1") = "9"
    & skf18("5","8","6","10","5","3","1") = "9"
    & skf18("5","8","6","10","5","4","1") = "9"
    & skf18("5","8","6","10","5","5","1") = "9"
    & skf18("5","8","6","10","5","6","1") = "9"
    & skf18("5","8","6","10","5","7","1") = "9"
    & skf18("5","8","6","10","5","8","1") = "9"
    & skf18("5","8","6","10","5","9","1") = "9"
    & skf18("5","8","6","10","5","10","1") = "9"
    & skf18("5","8","6","10","6","1","1") = "9"
    & skf18("5","8","6","10","6","2","1") = "9"
    & skf18("5","8","6","10","6","3","1") = "9"
    & skf18("5","8","6","10","6","4","1") = "9"
    & skf18("5","8","6","10","6","5","1") = "9"
    & skf18("5","8","6","10","6","6","1") = "9"
    & skf18("5","8","6","10","6","7","1") = "9"
    & skf18("5","8","6","10","6","8","1") = "9"
    & skf18("5","8","6","10","6","9","1") = "9"
    & skf18("5","8","6","10","6","10","1") = "9"
    & skf18("5","8","6","10","7","1","1") = "9"
    & skf18("5","8","6","10","7","2","1") = "9"
    & skf18("5","8","6","10","7","3","1") = "9"
    & skf18("5","8","6","10","7","4","1") = "9"
    & skf18("5","8","6","10","7","5","1") = "9"
    & skf18("5","8","6","10","7","6","1") = "9"
    & skf18("5","8","6","10","7","7","1") = "9"
    & skf18("5","8","6","10","7","8","1") = "9"
    & skf18("5","8","6","10","7","9","1") = "9"
    & skf18("5","8","6","10","7","10","1") = "9"
    & skf18("5","8","6","10","8","1","1") = "9"
    & skf18("5","8","6","10","8","2","1") = "9"
    & skf18("5","8","6","10","8","3","1") = "9"
    & skf18("5","8","6","10","8","4","1") = "9"
    & skf18("5","8","6","10","8","5","1") = "9"
    & skf18("5","8","6","10","8","6","1") = "9"
    & skf18("5","8","6","10","8","7","1") = "9"
    & skf18("5","8","6","10","8","8","1") = "9"
    & skf18("5","8","6","10","8","9","1") = "9"
    & skf18("5","8","6","10","8","10","1") = "9"
    & skf18("5","8","6","10","9","1","1") = "9"
    & skf18("5","8","6","10","9","2","1") = "9"
    & skf18("5","8","6","10","9","3","1") = "9"
    & skf18("5","8","6","10","9","4","1") = "9"
    & skf18("5","8","6","10","9","5","1") = "9"
    & skf18("5","8","6","10","9","6","1") = "9"
    & skf18("5","8","6","10","9","7","1") = "9"
    & skf18("5","8","6","10","9","8","1") = "9"
    & skf18("5","8","6","10","9","9","1") = "9"
    & skf18("5","8","6","10","9","10","1") = "9"
    & skf18("5","8","6","10","10","1","1") = "9"
    & skf18("5","8","6","10","10","2","1") = "9"
    & skf18("5","8","6","10","10","3","1") = "9"
    & skf18("5","8","6","10","10","4","1") = "9"
    & skf18("5","8","6","10","10","5","1") = "9"
    & skf18("5","8","6","10","10","6","1") = "9"
    & skf18("5","8","6","10","10","7","1") = "9"
    & skf18("5","8","6","10","10","8","1") = "9"
    & skf18("5","8","6","10","10","9","1") = "9"
    & skf18("5","8","6","10","10","10","1") = "9"
    & skf18("5","8","7","1","1","1","1") = "7"
    & skf18("5","8","7","1","1","2","1") = "7"
    & skf18("5","8","7","1","1","3","1") = "7"
    & skf18("5","8","7","1","1","4","1") = "7"
    & skf18("5","8","7","1","1","5","1") = "7"
    & skf18("5","8","7","1","1","6","1") = "7"
    & skf18("5","8","7","1","1","7","1") = "7"
    & skf18("5","8","7","1","1","8","1") = "7"
    & skf18("5","8","7","1","1","9","1") = "8"
    & skf18("5","8","7","1","1","10","1") = "9"
    & skf18("5","8","7","1","2","1","1") = "7"
    & skf18("5","8","7","1","2","2","1") = "7"
    & skf18("5","8","7","1","2","3","1") = "7"
    & skf18("5","8","7","1","2","4","1") = "7"
    & skf18("5","8","7","1","2","5","1") = "7"
    & skf18("5","8","7","1","2","6","1") = "7"
    & skf18("5","8","7","1","2","7","1") = "7"
    & skf18("5","8","7","1","2","8","1") = "7"
    & skf18("5","8","7","1","2","9","1") = "8"
    & skf18("5","8","7","1","2","10","1") = "9"
    & skf18("5","8","7","1","3","1","1") = "7"
    & skf18("5","8","7","1","3","2","1") = "7"
    & skf18("5","8","7","1","3","3","1") = "7"
    & skf18("5","8","7","1","3","4","1") = "7"
    & skf18("5","8","7","1","3","5","1") = "7"
    & skf18("5","8","7","1","3","6","1") = "7"
    & skf18("5","8","7","1","3","7","1") = "7"
    & skf18("5","8","7","1","3","8","1") = "7"
    & skf18("5","8","7","1","3","9","1") = "8"
    & skf18("5","8","7","1","3","10","1") = "9"
    & skf18("5","8","7","1","4","1","1") = "7"
    & skf18("5","8","7","1","4","2","1") = "7"
    & skf18("5","8","7","1","4","3","1") = "7"
    & skf18("5","8","7","1","4","4","1") = "7"
    & skf18("5","8","7","1","4","5","1") = "7"
    & skf18("5","8","7","1","4","6","1") = "7"
    & skf18("5","8","7","1","4","7","1") = "7"
    & skf18("5","8","7","1","4","8","1") = "7"
    & skf18("5","8","7","1","4","9","1") = "8"
    & skf18("5","8","7","1","4","10","1") = "9"
    & skf18("5","8","7","1","5","1","1") = "7"
    & skf18("5","8","7","1","5","2","1") = "7"
    & skf18("5","8","7","1","5","3","1") = "7"
    & skf18("5","8","7","1","5","4","1") = "7"
    & skf18("5","8","7","1","5","5","1") = "7"
    & skf18("5","8","7","1","5","6","1") = "7"
    & skf18("5","8","7","1","5","7","1") = "7"
    & skf18("5","8","7","1","5","8","1") = "7"
    & skf18("5","8","7","1","5","9","1") = "8"
    & skf18("5","8","7","1","5","10","1") = "9"
    & skf18("5","8","7","1","6","1","1") = "7"
    & skf18("5","8","7","1","6","2","1") = "7"
    & skf18("5","8","7","1","6","3","1") = "7"
    & skf18("5","8","7","1","6","4","1") = "7"
    & skf18("5","8","7","1","6","5","1") = "7"
    & skf18("5","8","7","1","6","6","1") = "7"
    & skf18("5","8","7","1","6","7","1") = "7"
    & skf18("5","8","7","1","6","8","1") = "7"
    & skf18("5","8","7","1","6","9","1") = "8"
    & skf18("5","8","7","1","6","10","1") = "9"
    & skf18("5","8","7","1","7","1","1") = "7"
    & skf18("5","8","7","1","7","2","1") = "7"
    & skf18("5","8","7","1","7","3","1") = "7"
    & skf18("5","8","7","1","7","4","1") = "7"
    & skf18("5","8","7","1","7","5","1") = "7"
    & skf18("5","8","7","1","7","6","1") = "7"
    & skf18("5","8","7","1","7","7","1") = "7"
    & skf18("5","8","7","1","7","8","1") = "7"
    & skf18("5","8","7","1","7","9","1") = "8"
    & skf18("5","8","7","1","7","10","1") = "9"
    & skf18("5","8","7","1","8","1","1") = "7"
    & skf18("5","8","7","1","8","2","1") = "7"
    & skf18("5","8","7","1","8","3","1") = "7"
    & skf18("5","8","7","1","8","4","1") = "7"
    & skf18("5","8","7","1","8","5","1") = "7"
    & skf18("5","8","7","1","8","6","1") = "7"
    & skf18("5","8","7","1","8","7","1") = "7"
    & skf18("5","8","7","1","8","8","1") = "7"
    & skf18("5","8","7","1","8","9","1") = "8"
    & skf18("5","8","7","1","8","10","1") = "9"
    & skf18("5","8","7","1","9","1","1") = "8"
    & skf18("5","8","7","1","9","2","1") = "8"
    & skf18("5","8","7","1","9","3","1") = "8"
    & skf18("5","8","7","1","9","4","1") = "8"
    & skf18("5","8","7","1","9","5","1") = "8"
    & skf18("5","8","7","1","9","6","1") = "8"
    & skf18("5","8","7","1","9","7","1") = "8"
    & skf18("5","8","7","1","9","8","1") = "8"
    & skf18("5","8","7","1","9","9","1") = "8"
    & skf18("5","8","7","1","9","10","1") = "9"
    & skf18("5","8","7","1","10","1","1") = "9"
    & skf18("5","8","7","1","10","2","1") = "9"
    & skf18("5","8","7","1","10","3","1") = "9"
    & skf18("5","8","7","1","10","4","1") = "9"
    & skf18("5","8","7","1","10","5","1") = "9"
    & skf18("5","8","7","1","10","6","1") = "9"
    & skf18("5","8","7","1","10","7","1") = "9"
    & skf18("5","8","7","1","10","8","1") = "9"
    & skf18("5","8","7","1","10","9","1") = "9"
    & skf18("5","8","7","1","10","10","1") = "9"
    & skf18("5","8","7","2","1","1","1") = "7"
    & skf18("5","8","7","2","1","2","1") = "7"
    & skf18("5","8","7","2","1","3","1") = "7"
    & skf18("5","8","7","2","1","4","1") = "7"
    & skf18("5","8","7","2","1","5","1") = "7"
    & skf18("5","8","7","2","1","6","1") = "7"
    & skf18("5","8","7","2","1","7","1") = "7"
    & skf18("5","8","7","2","1","8","1") = "7"
    & skf18("5","8","7","2","1","9","1") = "8"
    & skf18("5","8","7","2","1","10","1") = "9"
    & skf18("5","8","7","2","2","1","1") = "7"
    & skf18("5","8","7","2","2","2","1") = "7"
    & skf18("5","8","7","2","2","3","1") = "7"
    & skf18("5","8","7","2","2","4","1") = "7"
    & skf18("5","8","7","2","2","5","1") = "7"
    & skf18("5","8","7","2","2","6","1") = "7"
    & skf18("5","8","7","2","2","7","1") = "7"
    & skf18("5","8","7","2","2","8","1") = "7"
    & skf18("5","8","7","2","2","9","1") = "8"
    & skf18("5","8","7","2","2","10","1") = "9"
    & skf18("5","8","7","2","3","1","1") = "7"
    & skf18("5","8","7","2","3","2","1") = "7"
    & skf18("5","8","7","2","3","3","1") = "7"
    & skf18("5","8","7","2","3","4","1") = "7"
    & skf18("5","8","7","2","3","5","1") = "7"
    & skf18("5","8","7","2","3","6","1") = "7"
    & skf18("5","8","7","2","3","7","1") = "7"
    & skf18("5","8","7","2","3","8","1") = "7"
    & skf18("5","8","7","2","3","9","1") = "8"
    & skf18("5","8","7","2","3","10","1") = "9"
    & skf18("5","8","7","2","4","1","1") = "7"
    & skf18("5","8","7","2","4","2","1") = "7"
    & skf18("5","8","7","2","4","3","1") = "7"
    & skf18("5","8","7","2","4","4","1") = "7"
    & skf18("5","8","7","2","4","5","1") = "7"
    & skf18("5","8","7","2","4","6","1") = "7"
    & skf18("5","8","7","2","4","7","1") = "7"
    & skf18("5","8","7","2","4","8","1") = "7"
    & skf18("5","8","7","2","4","9","1") = "8"
    & skf18("5","8","7","2","4","10","1") = "9"
    & skf18("5","8","7","2","5","1","1") = "7"
    & skf18("5","8","7","2","5","2","1") = "7"
    & skf18("5","8","7","2","5","3","1") = "7"
    & skf18("5","8","7","2","5","4","1") = "7"
    & skf18("5","8","7","2","5","5","1") = "7"
    & skf18("5","8","7","2","5","6","1") = "7"
    & skf18("5","8","7","2","5","7","1") = "7"
    & skf18("5","8","7","2","5","8","1") = "7"
    & skf18("5","8","7","2","5","9","1") = "8"
    & skf18("5","8","7","2","5","10","1") = "9"
    & skf18("5","8","7","2","6","1","1") = "7"
    & skf18("5","8","7","2","6","2","1") = "7"
    & skf18("5","8","7","2","6","3","1") = "7"
    & skf18("5","8","7","2","6","4","1") = "7"
    & skf18("5","8","7","2","6","5","1") = "7"
    & skf18("5","8","7","2","6","6","1") = "7"
    & skf18("5","8","7","2","6","7","1") = "7"
    & skf18("5","8","7","2","6","8","1") = "7"
    & skf18("5","8","7","2","6","9","1") = "8"
    & skf18("5","8","7","2","6","10","1") = "9"
    & skf18("5","8","7","2","7","1","1") = "7"
    & skf18("5","8","7","2","7","2","1") = "7"
    & skf18("5","8","7","2","7","3","1") = "7"
    & skf18("5","8","7","2","7","4","1") = "7"
    & skf18("5","8","7","2","7","5","1") = "7"
    & skf18("5","8","7","2","7","6","1") = "7"
    & skf18("5","8","7","2","7","7","1") = "7"
    & skf18("5","8","7","2","7","8","1") = "7"
    & skf18("5","8","7","2","7","9","1") = "8"
    & skf18("5","8","7","2","7","10","1") = "9"
    & skf18("5","8","7","2","8","1","1") = "7"
    & skf18("5","8","7","2","8","2","1") = "7"
    & skf18("5","8","7","2","8","3","1") = "7"
    & skf18("5","8","7","2","8","4","1") = "7"
    & skf18("5","8","7","2","8","5","1") = "7"
    & skf18("5","8","7","2","8","6","1") = "7"
    & skf18("5","8","7","2","8","7","1") = "7"
    & skf18("5","8","7","2","8","8","1") = "7"
    & skf18("5","8","7","2","8","9","1") = "8"
    & skf18("5","8","7","2","8","10","1") = "9"
    & skf18("5","8","7","2","9","1","1") = "8"
    & skf18("5","8","7","2","9","2","1") = "8"
    & skf18("5","8","7","2","9","3","1") = "8"
    & skf18("5","8","7","2","9","4","1") = "8"
    & skf18("5","8","7","2","9","5","1") = "8"
    & skf18("5","8","7","2","9","6","1") = "8"
    & skf18("5","8","7","2","9","7","1") = "8"
    & skf18("5","8","7","2","9","8","1") = "8"
    & skf18("5","8","7","2","9","9","1") = "8"
    & skf18("5","8","7","2","9","10","1") = "9"
    & skf18("5","8","7","2","10","1","1") = "9"
    & skf18("5","8","7","2","10","2","1") = "9"
    & skf18("5","8","7","2","10","3","1") = "9"
    & skf18("5","8","7","2","10","4","1") = "9"
    & skf18("5","8","7","2","10","5","1") = "9"
    & skf18("5","8","7","2","10","6","1") = "9"
    & skf18("5","8","7","2","10","7","1") = "9"
    & skf18("5","8","7","2","10","8","1") = "9"
    & skf18("5","8","7","2","10","9","1") = "9"
    & skf18("5","8","7","2","10","10","1") = "9"
    & skf18("5","8","7","3","1","1","1") = "7"
    & skf18("5","8","7","3","1","2","1") = "7"
    & skf18("5","8","7","3","1","3","1") = "7"
    & skf18("5","8","7","3","1","4","1") = "7"
    & skf18("5","8","7","3","1","5","1") = "7"
    & skf18("5","8","7","3","1","6","1") = "7"
    & skf18("5","8","7","3","1","7","1") = "7"
    & skf18("5","8","7","3","1","8","1") = "7"
    & skf18("5","8","7","3","1","9","1") = "8"
    & skf18("5","8","7","3","1","10","1") = "9"
    & skf18("5","8","7","3","2","1","1") = "7"
    & skf18("5","8","7","3","2","2","1") = "7"
    & skf18("5","8","7","3","2","3","1") = "7"
    & skf18("5","8","7","3","2","4","1") = "7"
    & skf18("5","8","7","3","2","5","1") = "7"
    & skf18("5","8","7","3","2","6","1") = "7"
    & skf18("5","8","7","3","2","7","1") = "7"
    & skf18("5","8","7","3","2","8","1") = "7"
    & skf18("5","8","7","3","2","9","1") = "8"
    & skf18("5","8","7","3","2","10","1") = "9"
    & skf18("5","8","7","3","3","1","1") = "7"
    & skf18("5","8","7","3","3","2","1") = "7"
    & skf18("5","8","7","3","3","3","1") = "7"
    & skf18("5","8","7","3","3","4","1") = "7"
    & skf18("5","8","7","3","3","5","1") = "7"
    & skf18("5","8","7","3","3","6","1") = "7"
    & skf18("5","8","7","3","3","7","1") = "7"
    & skf18("5","8","7","3","3","8","1") = "7"
    & skf18("5","8","7","3","3","9","1") = "8"
    & skf18("5","8","7","3","3","10","1") = "9"
    & skf18("5","8","7","3","4","1","1") = "7"
    & skf18("5","8","7","3","4","2","1") = "7"
    & skf18("5","8","7","3","4","3","1") = "7"
    & skf18("5","8","7","3","4","4","1") = "7"
    & skf18("5","8","7","3","4","5","1") = "7"
    & skf18("5","8","7","3","4","6","1") = "7"
    & skf18("5","8","7","3","4","7","1") = "7"
    & skf18("5","8","7","3","4","8","1") = "7"
    & skf18("5","8","7","3","4","9","1") = "8"
    & skf18("5","8","7","3","4","10","1") = "9"
    & skf18("5","8","7","3","5","1","1") = "7"
    & skf18("5","8","7","3","5","2","1") = "7"
    & skf18("5","8","7","3","5","3","1") = "7"
    & skf18("5","8","7","3","5","4","1") = "7"
    & skf18("5","8","7","3","5","5","1") = "7"
    & skf18("5","8","7","3","5","6","1") = "7"
    & skf18("5","8","7","3","5","7","1") = "7"
    & skf18("5","8","7","3","5","8","1") = "7"
    & skf18("5","8","7","3","5","9","1") = "8"
    & skf18("5","8","7","3","5","10","1") = "9"
    & skf18("5","8","7","3","6","1","1") = "7"
    & skf18("5","8","7","3","6","2","1") = "7"
    & skf18("5","8","7","3","6","3","1") = "7"
    & skf18("5","8","7","3","6","4","1") = "7"
    & skf18("5","8","7","3","6","5","1") = "7"
    & skf18("5","8","7","3","6","6","1") = "7"
    & skf18("5","8","7","3","6","7","1") = "7"
    & skf18("5","8","7","3","6","8","1") = "7"
    & skf18("5","8","7","3","6","9","1") = "8"
    & skf18("5","8","7","3","6","10","1") = "9"
    & skf18("5","8","7","3","7","1","1") = "7"
    & skf18("5","8","7","3","7","2","1") = "7"
    & skf18("5","8","7","3","7","3","1") = "7"
    & skf18("5","8","7","3","7","4","1") = "7"
    & skf18("5","8","7","3","7","5","1") = "7"
    & skf18("5","8","7","3","7","6","1") = "7"
    & skf18("5","8","7","3","7","7","1") = "7"
    & skf18("5","8","7","3","7","8","1") = "7"
    & skf18("5","8","7","3","7","9","1") = "8"
    & skf18("5","8","7","3","7","10","1") = "9"
    & skf18("5","8","7","3","8","1","1") = "7"
    & skf18("5","8","7","3","8","2","1") = "7"
    & skf18("5","8","7","3","8","3","1") = "7"
    & skf18("5","8","7","3","8","4","1") = "7"
    & skf18("5","8","7","3","8","5","1") = "7"
    & skf18("5","8","7","3","8","6","1") = "7"
    & skf18("5","8","7","3","8","7","1") = "7"
    & skf18("5","8","7","3","8","8","1") = "7"
    & skf18("5","8","7","3","8","9","1") = "8"
    & skf18("5","8","7","3","8","10","1") = "9"
    & skf18("5","8","7","3","9","1","1") = "8"
    & skf18("5","8","7","3","9","2","1") = "8"
    & skf18("5","8","7","3","9","3","1") = "8"
    & skf18("5","8","7","3","9","4","1") = "8"
    & skf18("5","8","7","3","9","5","1") = "8"
    & skf18("5","8","7","3","9","6","1") = "8"
    & skf18("5","8","7","3","9","7","1") = "8"
    & skf18("5","8","7","3","9","8","1") = "8"
    & skf18("5","8","7","3","9","9","1") = "8"
    & skf18("5","8","7","3","9","10","1") = "9"
    & skf18("5","8","7","3","10","1","1") = "9"
    & skf18("5","8","7","3","10","2","1") = "9"
    & skf18("5","8","7","3","10","3","1") = "9"
    & skf18("5","8","7","3","10","4","1") = "9"
    & skf18("5","8","7","3","10","5","1") = "9"
    & skf18("5","8","7","3","10","6","1") = "9"
    & skf18("5","8","7","3","10","7","1") = "9"
    & skf18("5","8","7","3","10","8","1") = "9"
    & skf18("5","8","7","3","10","9","1") = "9"
    & skf18("5","8","7","3","10","10","1") = "9"
    & skf18("5","8","7","4","1","1","1") = "7"
    & skf18("5","8","7","4","1","2","1") = "7"
    & skf18("5","8","7","4","1","3","1") = "7"
    & skf18("5","8","7","4","1","4","1") = "7"
    & skf18("5","8","7","4","1","5","1") = "7"
    & skf18("5","8","7","4","1","6","1") = "7"
    & skf18("5","8","7","4","1","7","1") = "7"
    & skf18("5","8","7","4","1","8","1") = "7"
    & skf18("5","8","7","4","1","9","1") = "8"
    & skf18("5","8","7","4","1","10","1") = "9"
    & skf18("5","8","7","4","2","1","1") = "7"
    & skf18("5","8","7","4","2","2","1") = "7"
    & skf18("5","8","7","4","2","3","1") = "7"
    & skf18("5","8","7","4","2","4","1") = "7"
    & skf18("5","8","7","4","2","5","1") = "7"
    & skf18("5","8","7","4","2","6","1") = "7"
    & skf18("5","8","7","4","2","7","1") = "7"
    & skf18("5","8","7","4","2","8","1") = "7"
    & skf18("5","8","7","4","2","9","1") = "8"
    & skf18("5","8","7","4","2","10","1") = "9"
    & skf18("5","8","7","4","3","1","1") = "7"
    & skf18("5","8","7","4","3","2","1") = "7"
    & skf18("5","8","7","4","3","3","1") = "7"
    & skf18("5","8","7","4","3","4","1") = "7"
    & skf18("5","8","7","4","3","5","1") = "7"
    & skf18("5","8","7","4","3","6","1") = "7"
    & skf18("5","8","7","4","3","7","1") = "7"
    & skf18("5","8","7","4","3","8","1") = "7"
    & skf18("5","8","7","4","3","9","1") = "8"
    & skf18("5","8","7","4","3","10","1") = "9"
    & skf18("5","8","7","4","4","1","1") = "7"
    & skf18("5","8","7","4","4","2","1") = "7"
    & skf18("5","8","7","4","4","3","1") = "7"
    & skf18("5","8","7","4","4","4","1") = "7"
    & skf18("5","8","7","4","4","5","1") = "7"
    & skf18("5","8","7","4","4","6","1") = "7"
    & skf18("5","8","7","4","4","7","1") = "7"
    & skf18("5","8","7","4","4","8","1") = "7"
    & skf18("5","8","7","4","4","9","1") = "8"
    & skf18("5","8","7","4","4","10","1") = "9"
    & skf18("5","8","7","4","5","1","1") = "7"
    & skf18("5","8","7","4","5","2","1") = "7"
    & skf18("5","8","7","4","5","3","1") = "7"
    & skf18("5","8","7","4","5","4","1") = "7"
    & skf18("5","8","7","4","5","5","1") = "7"
    & skf18("5","8","7","4","5","6","1") = "7"
    & skf18("5","8","7","4","5","7","1") = "7"
    & skf18("5","8","7","4","5","8","1") = "7"
    & skf18("5","8","7","4","5","9","1") = "8"
    & skf18("5","8","7","4","5","10","1") = "9"
    & skf18("5","8","7","4","6","1","1") = "7"
    & skf18("5","8","7","4","6","2","1") = "7"
    & skf18("5","8","7","4","6","3","1") = "7"
    & skf18("5","8","7","4","6","4","1") = "7"
    & skf18("5","8","7","4","6","5","1") = "7"
    & skf18("5","8","7","4","6","6","1") = "7"
    & skf18("5","8","7","4","6","7","1") = "7"
    & skf18("5","8","7","4","6","8","1") = "7"
    & skf18("5","8","7","4","6","9","1") = "8"
    & skf18("5","8","7","4","6","10","1") = "9"
    & skf18("5","8","7","4","7","1","1") = "7"
    & skf18("5","8","7","4","7","2","1") = "7"
    & skf18("5","8","7","4","7","3","1") = "7"
    & skf18("5","8","7","4","7","4","1") = "7"
    & skf18("5","8","7","4","7","5","1") = "7"
    & skf18("5","8","7","4","7","6","1") = "7"
    & skf18("5","8","7","4","7","7","1") = "7"
    & skf18("5","8","7","4","7","8","1") = "7"
    & skf18("5","8","7","4","7","9","1") = "8"
    & skf18("5","8","7","4","7","10","1") = "9"
    & skf18("5","8","7","4","8","1","1") = "7"
    & skf18("5","8","7","4","8","2","1") = "7"
    & skf18("5","8","7","4","8","3","1") = "7"
    & skf18("5","8","7","4","8","4","1") = "7"
    & skf18("5","8","7","4","8","5","1") = "7"
    & skf18("5","8","7","4","8","6","1") = "7"
    & skf18("5","8","7","4","8","7","1") = "7"
    & skf18("5","8","7","4","8","8","1") = "7"
    & skf18("5","8","7","4","8","9","1") = "8"
    & skf18("5","8","7","4","8","10","1") = "9"
    & skf18("5","8","7","4","9","1","1") = "8"
    & skf18("5","8","7","4","9","2","1") = "8"
    & skf18("5","8","7","4","9","3","1") = "8"
    & skf18("5","8","7","4","9","4","1") = "8"
    & skf18("5","8","7","4","9","5","1") = "8"
    & skf18("5","8","7","4","9","6","1") = "8"
    & skf18("5","8","7","4","9","7","1") = "8"
    & skf18("5","8","7","4","9","8","1") = "8"
    & skf18("5","8","7","4","9","9","1") = "8"
    & skf18("5","8","7","4","9","10","1") = "9"
    & skf18("5","8","7","4","10","1","1") = "9"
    & skf18("5","8","7","4","10","2","1") = "9"
    & skf18("5","8","7","4","10","3","1") = "9"
    & skf18("5","8","7","4","10","4","1") = "9"
    & skf18("5","8","7","4","10","5","1") = "9"
    & skf18("5","8","7","4","10","6","1") = "9"
    & skf18("5","8","7","4","10","7","1") = "9"
    & skf18("5","8","7","4","10","8","1") = "9"
    & skf18("5","8","7","4","10","9","1") = "9"
    & skf18("5","8","7","4","10","10","1") = "9"
    & skf18("5","8","7","5","1","1","1") = "7"
    & skf18("5","8","7","5","1","2","1") = "7"
    & skf18("5","8","7","5","1","3","1") = "7"
    & skf18("5","8","7","5","1","4","1") = "7"
    & skf18("5","8","7","5","1","5","1") = "7"
    & skf18("5","8","7","5","1","6","1") = "7"
    & skf18("5","8","7","5","1","7","1") = "7"
    & skf18("5","8","7","5","1","8","1") = "7"
    & skf18("5","8","7","5","1","9","1") = "8"
    & skf18("5","8","7","5","1","10","1") = "9"
    & skf18("5","8","7","5","2","1","1") = "7"
    & skf18("5","8","7","5","2","2","1") = "7"
    & skf18("5","8","7","5","2","3","1") = "7"
    & skf18("5","8","7","5","2","4","1") = "7"
    & skf18("5","8","7","5","2","5","1") = "7"
    & skf18("5","8","7","5","2","6","1") = "7"
    & skf18("5","8","7","5","2","7","1") = "7"
    & skf18("5","8","7","5","2","8","1") = "7"
    & skf18("5","8","7","5","2","9","1") = "8"
    & skf18("5","8","7","5","2","10","1") = "9"
    & skf18("5","8","7","5","3","1","1") = "7"
    & skf18("5","8","7","5","3","2","1") = "7"
    & skf18("5","8","7","5","3","3","1") = "7"
    & skf18("5","8","7","5","3","4","1") = "7"
    & skf18("5","8","7","5","3","5","1") = "7"
    & skf18("5","8","7","5","3","6","1") = "7"
    & skf18("5","8","7","5","3","7","1") = "7"
    & skf18("5","8","7","5","3","8","1") = "7"
    & skf18("5","8","7","5","3","9","1") = "8"
    & skf18("5","8","7","5","3","10","1") = "9"
    & skf18("5","8","7","5","4","1","1") = "7"
    & skf18("5","8","7","5","4","2","1") = "7"
    & skf18("5","8","7","5","4","3","1") = "7"
    & skf18("5","8","7","5","4","4","1") = "7"
    & skf18("5","8","7","5","4","5","1") = "7"
    & skf18("5","8","7","5","4","6","1") = "7"
    & skf18("5","8","7","5","4","7","1") = "7"
    & skf18("5","8","7","5","4","8","1") = "7"
    & skf18("5","8","7","5","4","9","1") = "8"
    & skf18("5","8","7","5","4","10","1") = "9"
    & skf18("5","8","7","5","5","1","1") = "7"
    & skf18("5","8","7","5","5","2","1") = "7"
    & skf18("5","8","7","5","5","3","1") = "7"
    & skf18("5","8","7","5","5","4","1") = "7"
    & skf18("5","8","7","5","5","5","1") = "7"
    & skf18("5","8","7","5","5","6","1") = "7"
    & skf18("5","8","7","5","5","7","1") = "7"
    & skf18("5","8","7","5","5","8","1") = "7"
    & skf18("5","8","7","5","5","9","1") = "8"
    & skf18("5","8","7","5","5","10","1") = "9"
    & skf18("5","8","7","5","6","1","1") = "7"
    & skf18("5","8","7","5","6","2","1") = "7"
    & skf18("5","8","7","5","6","3","1") = "7"
    & skf18("5","8","7","5","6","4","1") = "7"
    & skf18("5","8","7","5","6","5","1") = "7"
    & skf18("5","8","7","5","6","6","1") = "7"
    & skf18("5","8","7","5","6","7","1") = "7"
    & skf18("5","8","7","5","6","8","1") = "7"
    & skf18("5","8","7","5","6","9","1") = "8"
    & skf18("5","8","7","5","6","10","1") = "9"
    & skf18("5","8","7","5","7","1","1") = "7"
    & skf18("5","8","7","5","7","2","1") = "7"
    & skf18("5","8","7","5","7","3","1") = "7"
    & skf18("5","8","7","5","7","4","1") = "7"
    & skf18("5","8","7","5","7","5","1") = "7"
    & skf18("5","8","7","5","7","6","1") = "7"
    & skf18("5","8","7","5","7","7","1") = "7"
    & skf18("5","8","7","5","7","8","1") = "7"
    & skf18("5","8","7","5","7","9","1") = "8"
    & skf18("5","8","7","5","7","10","1") = "9"
    & skf18("5","8","7","5","8","1","1") = "7"
    & skf18("5","8","7","5","8","2","1") = "7"
    & skf18("5","8","7","5","8","3","1") = "7"
    & skf18("5","8","7","5","8","4","1") = "7"
    & skf18("5","8","7","5","8","5","1") = "7"
    & skf18("5","8","7","5","8","6","1") = "7"
    & skf18("5","8","7","5","8","7","1") = "7"
    & skf18("5","8","7","5","8","8","1") = "7"
    & skf18("5","8","7","5","8","9","1") = "8"
    & skf18("5","8","7","5","8","10","1") = "9"
    & skf18("5","8","7","5","9","1","1") = "8"
    & skf18("5","8","7","5","9","2","1") = "8"
    & skf18("5","8","7","5","9","3","1") = "8"
    & skf18("5","8","7","5","9","4","1") = "8"
    & skf18("5","8","7","5","9","5","1") = "8"
    & skf18("5","8","7","5","9","6","1") = "8"
    & skf18("5","8","7","5","9","7","1") = "8"
    & skf18("5","8","7","5","9","8","1") = "8"
    & skf18("5","8","7","5","9","9","1") = "8"
    & skf18("5","8","7","5","9","10","1") = "9"
    & skf18("5","8","7","5","10","1","1") = "9"
    & skf18("5","8","7","5","10","2","1") = "9"
    & skf18("5","8","7","5","10","3","1") = "9"
    & skf18("5","8","7","5","10","4","1") = "9"
    & skf18("5","8","7","5","10","5","1") = "9"
    & skf18("5","8","7","5","10","6","1") = "9"
    & skf18("5","8","7","5","10","7","1") = "9"
    & skf18("5","8","7","5","10","8","1") = "9"
    & skf18("5","8","7","5","10","9","1") = "9"
    & skf18("5","8","7","5","10","10","1") = "9"
    & skf18("5","8","7","6","1","1","1") = "7"
    & skf18("5","8","7","6","1","2","1") = "7"
    & skf18("5","8","7","6","1","3","1") = "7"
    & skf18("5","8","7","6","1","4","1") = "7"
    & skf18("5","8","7","6","1","5","1") = "7"
    & skf18("5","8","7","6","1","6","1") = "7"
    & skf18("5","8","7","6","1","7","1") = "7"
    & skf18("5","8","7","6","1","8","1") = "7"
    & skf18("5","8","7","6","1","9","1") = "8"
    & skf18("5","8","7","6","1","10","1") = "9"
    & skf18("5","8","7","6","2","1","1") = "7"
    & skf18("5","8","7","6","2","2","1") = "7"
    & skf18("5","8","7","6","2","3","1") = "7"
    & skf18("5","8","7","6","2","4","1") = "7"
    & skf18("5","8","7","6","2","5","1") = "7"
    & skf18("5","8","7","6","2","6","1") = "7"
    & skf18("5","8","7","6","2","7","1") = "7"
    & skf18("5","8","7","6","2","8","1") = "7"
    & skf18("5","8","7","6","2","9","1") = "8"
    & skf18("5","8","7","6","2","10","1") = "9"
    & skf18("5","8","7","6","3","1","1") = "7"
    & skf18("5","8","7","6","3","2","1") = "7"
    & skf18("5","8","7","6","3","3","1") = "7"
    & skf18("5","8","7","6","3","4","1") = "7"
    & skf18("5","8","7","6","3","5","1") = "7"
    & skf18("5","8","7","6","3","6","1") = "7"
    & skf18("5","8","7","6","3","7","1") = "7"
    & skf18("5","8","7","6","3","8","1") = "7"
    & skf18("5","8","7","6","3","9","1") = "8"
    & skf18("5","8","7","6","3","10","1") = "9"
    & skf18("5","8","7","6","4","1","1") = "7"
    & skf18("5","8","7","6","4","2","1") = "7"
    & skf18("5","8","7","6","4","3","1") = "7"
    & skf18("5","8","7","6","4","4","1") = "7"
    & skf18("5","8","7","6","4","5","1") = "7"
    & skf18("5","8","7","6","4","6","1") = "7"
    & skf18("5","8","7","6","4","7","1") = "7"
    & skf18("5","8","7","6","4","8","1") = "7"
    & skf18("5","8","7","6","4","9","1") = "8"
    & skf18("5","8","7","6","4","10","1") = "9"
    & skf18("5","8","7","6","5","1","1") = "7"
    & skf18("5","8","7","6","5","2","1") = "7"
    & skf18("5","8","7","6","5","3","1") = "7"
    & skf18("5","8","7","6","5","4","1") = "7"
    & skf18("5","8","7","6","5","5","1") = "7"
    & skf18("5","8","7","6","5","6","1") = "7"
    & skf18("5","8","7","6","5","7","1") = "7"
    & skf18("5","8","7","6","5","8","1") = "7"
    & skf18("5","8","7","6","5","9","1") = "8"
    & skf18("5","8","7","6","5","10","1") = "9"
    & skf18("5","8","7","6","6","1","1") = "7"
    & skf18("5","8","7","6","6","2","1") = "7"
    & skf18("5","8","7","6","6","3","1") = "7"
    & skf18("5","8","7","6","6","4","1") = "7"
    & skf18("5","8","7","6","6","5","1") = "7"
    & skf18("5","8","7","6","6","6","1") = "7"
    & skf18("5","8","7","6","6","7","1") = "7"
    & skf18("5","8","7","6","6","8","1") = "7"
    & skf18("5","8","7","6","6","9","1") = "8"
    & skf18("5","8","7","6","6","10","1") = "9"
    & skf18("5","8","7","6","7","1","1") = "7"
    & skf18("5","8","7","6","7","2","1") = "7"
    & skf18("5","8","7","6","7","3","1") = "7"
    & skf18("5","8","7","6","7","4","1") = "7"
    & skf18("5","8","7","6","7","5","1") = "7"
    & skf18("5","8","7","6","7","6","1") = "7"
    & skf18("5","8","7","6","7","7","1") = "7"
    & skf18("5","8","7","6","7","8","1") = "7"
    & skf18("5","8","7","6","7","9","1") = "8"
    & skf18("5","8","7","6","7","10","1") = "9"
    & skf18("5","8","7","6","8","1","1") = "7"
    & skf18("5","8","7","6","8","2","1") = "7"
    & skf18("5","8","7","6","8","3","1") = "7"
    & skf18("5","8","7","6","8","4","1") = "7"
    & skf18("5","8","7","6","8","5","1") = "7"
    & skf18("5","8","7","6","8","6","1") = "7"
    & skf18("5","8","7","6","8","7","1") = "7"
    & skf18("5","8","7","6","8","8","1") = "7"
    & skf18("5","8","7","6","8","9","1") = "8"
    & skf18("5","8","7","6","8","10","1") = "9"
    & skf18("5","8","7","6","9","1","1") = "8"
    & skf18("5","8","7","6","9","2","1") = "8"
    & skf18("5","8","7","6","9","3","1") = "8"
    & skf18("5","8","7","6","9","4","1") = "8"
    & skf18("5","8","7","6","9","5","1") = "8"
    & skf18("5","8","7","6","9","6","1") = "8"
    & skf18("5","8","7","6","9","7","1") = "8"
    & skf18("5","8","7","6","9","8","1") = "8"
    & skf18("5","8","7","6","9","9","1") = "8"
    & skf18("5","8","7","6","9","10","1") = "9"
    & skf18("5","8","7","6","10","1","1") = "9"
    & skf18("5","8","7","6","10","2","1") = "9"
    & skf18("5","8","7","6","10","3","1") = "9"
    & skf18("5","8","7","6","10","4","1") = "9"
    & skf18("5","8","7","6","10","5","1") = "9"
    & skf18("5","8","7","6","10","6","1") = "9"
    & skf18("5","8","7","6","10","7","1") = "9"
    & skf18("5","8","7","6","10","8","1") = "9"
    & skf18("5","8","7","6","10","9","1") = "9"
    & skf18("5","8","7","6","10","10","1") = "9"
    & skf18("5","8","7","7","1","1","1") = "7"
    & skf18("5","8","7","7","1","2","1") = "7"
    & skf18("5","8","7","7","1","3","1") = "7"
    & skf18("5","8","7","7","1","4","1") = "7"
    & skf18("5","8","7","7","1","5","1") = "7"
    & skf18("5","8","7","7","1","6","1") = "7"
    & skf18("5","8","7","7","1","7","1") = "7"
    & skf18("5","8","7","7","1","8","1") = "7"
    & skf18("5","8","7","7","1","9","1") = "8"
    & skf18("5","8","7","7","1","10","1") = "9"
    & skf18("5","8","7","7","2","1","1") = "7"
    & skf18("5","8","7","7","2","2","1") = "7"
    & skf18("5","8","7","7","2","3","1") = "7"
    & skf18("5","8","7","7","2","4","1") = "7"
    & skf18("5","8","7","7","2","5","1") = "7"
    & skf18("5","8","7","7","2","6","1") = "7"
    & skf18("5","8","7","7","2","7","1") = "7"
    & skf18("5","8","7","7","2","8","1") = "7"
    & skf18("5","8","7","7","2","9","1") = "8"
    & skf18("5","8","7","7","2","10","1") = "9"
    & skf18("5","8","7","7","3","1","1") = "7"
    & skf18("5","8","7","7","3","2","1") = "7"
    & skf18("5","8","7","7","3","3","1") = "7"
    & skf18("5","8","7","7","3","4","1") = "7"
    & skf18("5","8","7","7","3","5","1") = "7"
    & skf18("5","8","7","7","3","6","1") = "7"
    & skf18("5","8","7","7","3","7","1") = "7"
    & skf18("5","8","7","7","3","8","1") = "7"
    & skf18("5","8","7","7","3","9","1") = "8"
    & skf18("5","8","7","7","3","10","1") = "9"
    & skf18("5","8","7","7","4","1","1") = "7"
    & skf18("5","8","7","7","4","2","1") = "7"
    & skf18("5","8","7","7","4","3","1") = "7"
    & skf18("5","8","7","7","4","4","1") = "7"
    & skf18("5","8","7","7","4","5","1") = "7"
    & skf18("5","8","7","7","4","6","1") = "7"
    & skf18("5","8","7","7","4","7","1") = "7"
    & skf18("5","8","7","7","4","8","1") = "7"
    & skf18("5","8","7","7","4","9","1") = "8"
    & skf18("5","8","7","7","4","10","1") = "9"
    & skf18("5","8","7","7","5","1","1") = "7"
    & skf18("5","8","7","7","5","2","1") = "7"
    & skf18("5","8","7","7","5","3","1") = "7"
    & skf18("5","8","7","7","5","4","1") = "7"
    & skf18("5","8","7","7","5","5","1") = "7"
    & skf18("5","8","7","7","5","6","1") = "7"
    & skf18("5","8","7","7","5","7","1") = "7"
    & skf18("5","8","7","7","5","8","1") = "7"
    & skf18("5","8","7","7","5","9","1") = "8"
    & skf18("5","8","7","7","5","10","1") = "9"
    & skf18("5","8","7","7","6","1","1") = "7"
    & skf18("5","8","7","7","6","2","1") = "7"
    & skf18("5","8","7","7","6","3","1") = "7"
    & skf18("5","8","7","7","6","4","1") = "7"
    & skf18("5","8","7","7","6","5","1") = "7"
    & skf18("5","8","7","7","6","6","1") = "7"
    & skf18("5","8","7","7","6","7","1") = "7"
    & skf18("5","8","7","7","6","8","1") = "7"
    & skf18("5","8","7","7","6","9","1") = "8"
    & skf18("5","8","7","7","6","10","1") = "9"
    & skf18("5","8","7","7","7","1","1") = "7"
    & skf18("5","8","7","7","7","2","1") = "7"
    & skf18("5","8","7","7","7","3","1") = "7"
    & skf18("5","8","7","7","7","4","1") = "7"
    & skf18("5","8","7","7","7","5","1") = "7"
    & skf18("5","8","7","7","7","6","1") = "7"
    & skf18("5","8","7","7","7","7","1") = "7"
    & skf18("5","8","7","7","7","8","1") = "7"
    & skf18("5","8","7","7","7","9","1") = "8"
    & skf18("5","8","7","7","7","10","1") = "9"
    & skf18("5","8","7","7","8","1","1") = "7"
    & skf18("5","8","7","7","8","2","1") = "7"
    & skf18("5","8","7","7","8","3","1") = "7"
    & skf18("5","8","7","7","8","4","1") = "7"
    & skf18("5","8","7","7","8","5","1") = "7"
    & skf18("5","8","7","7","8","6","1") = "7"
    & skf18("5","8","7","7","8","7","1") = "7"
    & skf18("5","8","7","7","8","8","1") = "7"
    & skf18("5","8","7","7","8","9","1") = "8"
    & skf18("5","8","7","7","8","10","1") = "9"
    & skf18("5","8","7","7","9","1","1") = "8"
    & skf18("5","8","7","7","9","2","1") = "8"
    & skf18("5","8","7","7","9","3","1") = "8"
    & skf18("5","8","7","7","9","4","1") = "8"
    & skf18("5","8","7","7","9","5","1") = "8"
    & skf18("5","8","7","7","9","6","1") = "8"
    & skf18("5","8","7","7","9","7","1") = "8"
    & skf18("5","8","7","7","9","8","1") = "8"
    & skf18("5","8","7","7","9","9","1") = "8"
    & skf18("5","8","7","7","9","10","1") = "9"
    & skf18("5","8","7","7","10","1","1") = "9"
    & skf18("5","8","7","7","10","2","1") = "9"
    & skf18("5","8","7","7","10","3","1") = "9"
    & skf18("5","8","7","7","10","4","1") = "9"
    & skf18("5","8","7","7","10","5","1") = "9"
    & skf18("5","8","7","7","10","6","1") = "9"
    & skf18("5","8","7","7","10","7","1") = "9"
    & skf18("5","8","7","7","10","8","1") = "9"
    & skf18("5","8","7","7","10","9","1") = "9"
    & skf18("5","8","7","7","10","10","1") = "9"
    & skf18("5","8","7","8","1","1","1") = "7"
    & skf18("5","8","7","8","1","2","1") = "7"
    & skf18("5","8","7","8","1","3","1") = "7"
    & skf18("5","8","7","8","1","4","1") = "7"
    & skf18("5","8","7","8","1","5","1") = "7"
    & skf18("5","8","7","8","1","6","1") = "7"
    & skf18("5","8","7","8","1","7","1") = "7"
    & skf18("5","8","7","8","1","8","1") = "7"
    & skf18("5","8","7","8","1","9","1") = "8"
    & skf18("5","8","7","8","1","10","1") = "9"
    & skf18("5","8","7","8","2","1","1") = "7"
    & skf18("5","8","7","8","2","2","1") = "7"
    & skf18("5","8","7","8","2","3","1") = "7"
    & skf18("5","8","7","8","2","4","1") = "7"
    & skf18("5","8","7","8","2","5","1") = "7"
    & skf18("5","8","7","8","2","6","1") = "7"
    & skf18("5","8","7","8","2","7","1") = "7"
    & skf18("5","8","7","8","2","8","1") = "7"
    & skf18("5","8","7","8","2","9","1") = "8"
    & skf18("5","8","7","8","2","10","1") = "9"
    & skf18("5","8","7","8","3","1","1") = "7"
    & skf18("5","8","7","8","3","2","1") = "7"
    & skf18("5","8","7","8","3","3","1") = "7"
    & skf18("5","8","7","8","3","4","1") = "7"
    & skf18("5","8","7","8","3","5","1") = "7"
    & skf18("5","8","7","8","3","6","1") = "7"
    & skf18("5","8","7","8","3","7","1") = "7"
    & skf18("5","8","7","8","3","8","1") = "7"
    & skf18("5","8","7","8","3","9","1") = "8"
    & skf18("5","8","7","8","3","10","1") = "9"
    & skf18("5","8","7","8","4","1","1") = "7"
    & skf18("5","8","7","8","4","2","1") = "7"
    & skf18("5","8","7","8","4","3","1") = "7"
    & skf18("5","8","7","8","4","4","1") = "7"
    & skf18("5","8","7","8","4","5","1") = "7"
    & skf18("5","8","7","8","4","6","1") = "7"
    & skf18("5","8","7","8","4","7","1") = "7"
    & skf18("5","8","7","8","4","8","1") = "7"
    & skf18("5","8","7","8","4","9","1") = "8"
    & skf18("5","8","7","8","4","10","1") = "9"
    & skf18("5","8","7","8","5","1","1") = "7"
    & skf18("5","8","7","8","5","2","1") = "7"
    & skf18("5","8","7","8","5","3","1") = "7"
    & skf18("5","8","7","8","5","4","1") = "7"
    & skf18("5","8","7","8","5","5","1") = "7"
    & skf18("5","8","7","8","5","6","1") = "7"
    & skf18("5","8","7","8","5","7","1") = "7"
    & skf18("5","8","7","8","5","8","1") = "7"
    & skf18("5","8","7","8","5","9","1") = "8"
    & skf18("5","8","7","8","5","10","1") = "9"
    & skf18("5","8","7","8","6","1","1") = "7"
    & skf18("5","8","7","8","6","2","1") = "7"
    & skf18("5","8","7","8","6","3","1") = "7"
    & skf18("5","8","7","8","6","4","1") = "7"
    & skf18("5","8","7","8","6","5","1") = "7"
    & skf18("5","8","7","8","6","6","1") = "7"
    & skf18("5","8","7","8","6","7","1") = "7"
    & skf18("5","8","7","8","6","8","1") = "7"
    & skf18("5","8","7","8","6","9","1") = "8"
    & skf18("5","8","7","8","6","10","1") = "9"
    & skf18("5","8","7","8","7","1","1") = "7"
    & skf18("5","8","7","8","7","2","1") = "7"
    & skf18("5","8","7","8","7","3","1") = "7"
    & skf18("5","8","7","8","7","4","1") = "7"
    & skf18("5","8","7","8","7","5","1") = "7"
    & skf18("5","8","7","8","7","6","1") = "7"
    & skf18("5","8","7","8","7","7","1") = "7"
    & skf18("5","8","7","8","7","8","1") = "7"
    & skf18("5","8","7","8","7","9","1") = "8"
    & skf18("5","8","7","8","7","10","1") = "9"
    & skf18("5","8","7","8","8","1","1") = "7"
    & skf18("5","8","7","8","8","2","1") = "7"
    & skf18("5","8","7","8","8","3","1") = "7"
    & skf18("5","8","7","8","8","4","1") = "7"
    & skf18("5","8","7","8","8","5","1") = "7"
    & skf18("5","8","7","8","8","6","1") = "7"
    & skf18("5","8","7","8","8","7","1") = "7"
    & skf18("5","8","7","8","8","8","1") = "7"
    & skf18("5","8","7","8","8","9","1") = "8"
    & skf18("5","8","7","8","8","10","1") = "9"
    & skf18("5","8","7","8","9","1","1") = "8"
    & skf18("5","8","7","8","9","2","1") = "8"
    & skf18("5","8","7","8","9","3","1") = "8"
    & skf18("5","8","7","8","9","4","1") = "8"
    & skf18("5","8","7","8","9","5","1") = "8"
    & skf18("5","8","7","8","9","6","1") = "8"
    & skf18("5","8","7","8","9","7","1") = "8"
    & skf18("5","8","7","8","9","8","1") = "8"
    & skf18("5","8","7","8","9","9","1") = "8"
    & skf18("5","8","7","8","9","10","1") = "9"
    & skf18("5","8","7","8","10","1","1") = "9"
    & skf18("5","8","7","8","10","2","1") = "9"
    & skf18("5","8","7","8","10","3","1") = "9"
    & skf18("5","8","7","8","10","4","1") = "9"
    & skf18("5","8","7","8","10","5","1") = "9"
    & skf18("5","8","7","8","10","6","1") = "9"
    & skf18("5","8","7","8","10","7","1") = "9"
    & skf18("5","8","7","8","10","8","1") = "9"
    & skf18("5","8","7","8","10","9","1") = "9"
    & skf18("5","8","7","8","10","10","1") = "9"
    & skf18("5","8","7","9","1","1","1") = "8"
    & skf18("5","8","7","9","1","2","1") = "8"
    & skf18("5","8","7","9","1","3","1") = "8"
    & skf18("5","8","7","9","1","4","1") = "8"
    & skf18("5","8","7","9","1","5","1") = "8"
    & skf18("5","8","7","9","1","6","1") = "8"
    & skf18("5","8","7","9","1","7","1") = "8"
    & skf18("5","8","7","9","1","8","1") = "8"
    & skf18("5","8","7","9","1","9","1") = "8"
    & skf18("5","8","7","9","1","10","1") = "9"
    & skf18("5","8","7","9","2","1","1") = "8"
    & skf18("5","8","7","9","2","2","1") = "8"
    & skf18("5","8","7","9","2","3","1") = "8"
    & skf18("5","8","7","9","2","4","1") = "8"
    & skf18("5","8","7","9","2","5","1") = "8"
    & skf18("5","8","7","9","2","6","1") = "8"
    & skf18("5","8","7","9","2","7","1") = "8"
    & skf18("5","8","7","9","2","8","1") = "8"
    & skf18("5","8","7","9","2","9","1") = "8"
    & skf18("5","8","7","9","2","10","1") = "9"
    & skf18("5","8","7","9","3","1","1") = "8"
    & skf18("5","8","7","9","3","2","1") = "8"
    & skf18("5","8","7","9","3","3","1") = "8"
    & skf18("5","8","7","9","3","4","1") = "8"
    & skf18("5","8","7","9","3","5","1") = "8"
    & skf18("5","8","7","9","3","6","1") = "8"
    & skf18("5","8","7","9","3","7","1") = "8"
    & skf18("5","8","7","9","3","8","1") = "8"
    & skf18("5","8","7","9","3","9","1") = "8"
    & skf18("5","8","7","9","3","10","1") = "9"
    & skf18("5","8","7","9","4","1","1") = "8"
    & skf18("5","8","7","9","4","2","1") = "8"
    & skf18("5","8","7","9","4","3","1") = "8"
    & skf18("5","8","7","9","4","4","1") = "8"
    & skf18("5","8","7","9","4","5","1") = "8"
    & skf18("5","8","7","9","4","6","1") = "8"
    & skf18("5","8","7","9","4","7","1") = "8"
    & skf18("5","8","7","9","4","8","1") = "8"
    & skf18("5","8","7","9","4","9","1") = "8"
    & skf18("5","8","7","9","4","10","1") = "9"
    & skf18("5","8","7","9","5","1","1") = "8"
    & skf18("5","8","7","9","5","2","1") = "8"
    & skf18("5","8","7","9","5","3","1") = "8"
    & skf18("5","8","7","9","5","4","1") = "8"
    & skf18("5","8","7","9","5","5","1") = "8"
    & skf18("5","8","7","9","5","6","1") = "8"
    & skf18("5","8","7","9","5","7","1") = "8"
    & skf18("5","8","7","9","5","8","1") = "8"
    & skf18("5","8","7","9","5","9","1") = "8"
    & skf18("5","8","7","9","5","10","1") = "9"
    & skf18("5","8","7","9","6","1","1") = "8"
    & skf18("5","8","7","9","6","2","1") = "8"
    & skf18("5","8","7","9","6","3","1") = "8"
    & skf18("5","8","7","9","6","4","1") = "8"
    & skf18("5","8","7","9","6","5","1") = "8"
    & skf18("5","8","7","9","6","6","1") = "8"
    & skf18("5","8","7","9","6","7","1") = "8"
    & skf18("5","8","7","9","6","8","1") = "8"
    & skf18("5","8","7","9","6","9","1") = "8"
    & skf18("5","8","7","9","6","10","1") = "9"
    & skf18("5","8","7","9","7","1","1") = "8"
    & skf18("5","8","7","9","7","2","1") = "8"
    & skf18("5","8","7","9","7","3","1") = "8"
    & skf18("5","8","7","9","7","4","1") = "8"
    & skf18("5","8","7","9","7","5","1") = "8"
    & skf18("5","8","7","9","7","6","1") = "8"
    & skf18("5","8","7","9","7","7","1") = "8"
    & skf18("5","8","7","9","7","8","1") = "8"
    & skf18("5","8","7","9","7","9","1") = "8"
    & skf18("5","8","7","9","7","10","1") = "9"
    & skf18("5","8","7","9","8","1","1") = "8"
    & skf18("5","8","7","9","8","2","1") = "8"
    & skf18("5","8","7","9","8","3","1") = "8"
    & skf18("5","8","7","9","8","4","1") = "8"
    & skf18("5","8","7","9","8","5","1") = "8"
    & skf18("5","8","7","9","8","6","1") = "8"
    & skf18("5","8","7","9","8","7","1") = "8"
    & skf18("5","8","7","9","8","8","1") = "8"
    & skf18("5","8","7","9","8","9","1") = "8"
    & skf18("5","8","7","9","8","10","1") = "9"
    & skf18("5","8","7","9","9","1","1") = "8"
    & skf18("5","8","7","9","9","2","1") = "8"
    & skf18("5","8","7","9","9","3","1") = "8"
    & skf18("5","8","7","9","9","4","1") = "8"
    & skf18("5","8","7","9","9","5","1") = "8"
    & skf18("5","8","7","9","9","6","1") = "8"
    & skf18("5","8","7","9","9","7","1") = "8"
    & skf18("5","8","7","9","9","8","1") = "8"
    & skf18("5","8","7","9","9","9","1") = "8"
    & skf18("5","8","7","9","9","10","1") = "9"
    & skf18("5","8","7","9","10","1","1") = "9"
    & skf18("5","8","7","9","10","2","1") = "9"
    & skf18("5","8","7","9","10","3","1") = "9"
    & skf18("5","8","7","9","10","4","1") = "9"
    & skf18("5","8","7","9","10","5","1") = "9"
    & skf18("5","8","7","9","10","6","1") = "9"
    & skf18("5","8","7","9","10","7","1") = "9"
    & skf18("5","8","7","9","10","8","1") = "9"
    & skf18("5","8","7","9","10","9","1") = "9"
    & skf18("5","8","7","9","10","10","1") = "9"
    & skf18("5","8","7","10","1","1","1") = "9"
    & skf18("5","8","7","10","1","2","1") = "9"
    & skf18("5","8","7","10","1","3","1") = "9"
    & skf18("5","8","7","10","1","4","1") = "9"
    & skf18("5","8","7","10","1","5","1") = "9"
    & skf18("5","8","7","10","1","6","1") = "9"
    & skf18("5","8","7","10","1","7","1") = "9"
    & skf18("5","8","7","10","1","8","1") = "9"
    & skf18("5","8","7","10","1","9","1") = "9"
    & skf18("5","8","7","10","1","10","1") = "9"
    & skf18("5","8","7","10","2","1","1") = "9"
    & skf18("5","8","7","10","2","2","1") = "9"
    & skf18("5","8","7","10","2","3","1") = "9"
    & skf18("5","8","7","10","2","4","1") = "9"
    & skf18("5","8","7","10","2","5","1") = "9"
    & skf18("5","8","7","10","2","6","1") = "9"
    & skf18("5","8","7","10","2","7","1") = "9"
    & skf18("5","8","7","10","2","8","1") = "9"
    & skf18("5","8","7","10","2","9","1") = "9"
    & skf18("5","8","7","10","2","10","1") = "9"
    & skf18("5","8","7","10","3","1","1") = "9"
    & skf18("5","8","7","10","3","2","1") = "9"
    & skf18("5","8","7","10","3","3","1") = "9"
    & skf18("5","8","7","10","3","4","1") = "9"
    & skf18("5","8","7","10","3","5","1") = "9"
    & skf18("5","8","7","10","3","6","1") = "9"
    & skf18("5","8","7","10","3","7","1") = "9"
    & skf18("5","8","7","10","3","8","1") = "9"
    & skf18("5","8","7","10","3","9","1") = "9"
    & skf18("5","8","7","10","3","10","1") = "9"
    & skf18("5","8","7","10","4","1","1") = "9"
    & skf18("5","8","7","10","4","2","1") = "9"
    & skf18("5","8","7","10","4","3","1") = "9"
    & skf18("5","8","7","10","4","4","1") = "9"
    & skf18("5","8","7","10","4","5","1") = "9"
    & skf18("5","8","7","10","4","6","1") = "9"
    & skf18("5","8","7","10","4","7","1") = "9"
    & skf18("5","8","7","10","4","8","1") = "9"
    & skf18("5","8","7","10","4","9","1") = "9"
    & skf18("5","8","7","10","4","10","1") = "9"
    & skf18("5","8","7","10","5","1","1") = "9"
    & skf18("5","8","7","10","5","2","1") = "9"
    & skf18("5","8","7","10","5","3","1") = "9"
    & skf18("5","8","7","10","5","4","1") = "9"
    & skf18("5","8","7","10","5","5","1") = "9"
    & skf18("5","8","7","10","5","6","1") = "9"
    & skf18("5","8","7","10","5","7","1") = "9"
    & skf18("5","8","7","10","5","8","1") = "9"
    & skf18("5","8","7","10","5","9","1") = "9"
    & skf18("5","8","7","10","5","10","1") = "9"
    & skf18("5","8","7","10","6","1","1") = "9"
    & skf18("5","8","7","10","6","2","1") = "9"
    & skf18("5","8","7","10","6","3","1") = "9"
    & skf18("5","8","7","10","6","4","1") = "9"
    & skf18("5","8","7","10","6","5","1") = "9"
    & skf18("5","8","7","10","6","6","1") = "9"
    & skf18("5","8","7","10","6","7","1") = "9"
    & skf18("5","8","7","10","6","8","1") = "9"
    & skf18("5","8","7","10","6","9","1") = "9"
    & skf18("5","8","7","10","6","10","1") = "9"
    & skf18("5","8","7","10","7","1","1") = "9"
    & skf18("5","8","7","10","7","2","1") = "9"
    & skf18("5","8","7","10","7","3","1") = "9"
    & skf18("5","8","7","10","7","4","1") = "9"
    & skf18("5","8","7","10","7","5","1") = "9"
    & skf18("5","8","7","10","7","6","1") = "9"
    & skf18("5","8","7","10","7","7","1") = "9"
    & skf18("5","8","7","10","7","8","1") = "9"
    & skf18("5","8","7","10","7","9","1") = "9"
    & skf18("5","8","7","10","7","10","1") = "9"
    & skf18("5","8","7","10","8","1","1") = "9"
    & skf18("5","8","7","10","8","2","1") = "9"
    & skf18("5","8","7","10","8","3","1") = "9"
    & skf18("5","8","7","10","8","4","1") = "9"
    & skf18("5","8","7","10","8","5","1") = "9"
    & skf18("5","8","7","10","8","6","1") = "9"
    & skf18("5","8","7","10","8","7","1") = "9"
    & skf18("5","8","7","10","8","8","1") = "9"
    & skf18("5","8","7","10","8","9","1") = "9"
    & skf18("5","8","7","10","8","10","1") = "9"
    & skf18("5","8","7","10","9","1","1") = "9"
    & skf18("5","8","7","10","9","2","1") = "9"
    & skf18("5","8","7","10","9","3","1") = "9"
    & skf18("5","8","7","10","9","4","1") = "9"
    & skf18("5","8","7","10","9","5","1") = "9"
    & skf18("5","8","7","10","9","6","1") = "9"
    & skf18("5","8","7","10","9","7","1") = "9"
    & skf18("5","8","7","10","9","8","1") = "9"
    & skf18("5","8","7","10","9","9","1") = "9"
    & skf18("5","8","7","10","9","10","1") = "9"
    & skf18("5","8","7","10","10","1","1") = "9"
    & skf18("5","8","7","10","10","2","1") = "9"
    & skf18("5","8","7","10","10","3","1") = "9"
    & skf18("5","8","7","10","10","4","1") = "9"
    & skf18("5","8","7","10","10","5","1") = "9"
    & skf18("5","8","7","10","10","6","1") = "9"
    & skf18("5","8","7","10","10","7","1") = "9"
    & skf18("5","8","7","10","10","8","1") = "9"
    & skf18("5","8","7","10","10","9","1") = "9"
    & skf18("5","8","7","10","10","10","1") = "9"
    & skf18("5","8","8","1","1","1","1") = "7"
    & skf18("5","8","8","1","1","2","1") = "7"
    & skf18("5","8","8","1","1","3","1") = "7"
    & skf18("5","8","8","1","1","4","1") = "7"
    & skf18("5","8","8","1","1","5","1") = "7"
    & skf18("5","8","8","1","1","6","1") = "7"
    & skf18("5","8","8","1","1","7","1") = "7"
    & skf18("5","8","8","1","1","8","1") = "7"
    & skf18("5","8","8","1","1","9","1") = "8"
    & skf18("5","8","8","1","1","10","1") = "9"
    & skf18("5","8","8","1","2","1","1") = "7"
    & skf18("5","8","8","1","2","2","1") = "7"
    & skf18("5","8","8","1","2","3","1") = "7"
    & skf18("5","8","8","1","2","4","1") = "7"
    & skf18("5","8","8","1","2","5","1") = "7"
    & skf18("5","8","8","1","2","6","1") = "7"
    & skf18("5","8","8","1","2","7","1") = "7"
    & skf18("5","8","8","1","2","8","1") = "7"
    & skf18("5","8","8","1","2","9","1") = "8"
    & skf18("5","8","8","1","2","10","1") = "9"
    & skf18("5","8","8","1","3","1","1") = "7"
    & skf18("5","8","8","1","3","2","1") = "7"
    & skf18("5","8","8","1","3","3","1") = "7"
    & skf18("5","8","8","1","3","4","1") = "7"
    & skf18("5","8","8","1","3","5","1") = "7"
    & skf18("5","8","8","1","3","6","1") = "7"
    & skf18("5","8","8","1","3","7","1") = "7"
    & skf18("5","8","8","1","3","8","1") = "7"
    & skf18("5","8","8","1","3","9","1") = "8"
    & skf18("5","8","8","1","3","10","1") = "9"
    & skf18("5","8","8","1","4","1","1") = "7"
    & skf18("5","8","8","1","4","2","1") = "7"
    & skf18("5","8","8","1","4","3","1") = "7"
    & skf18("5","8","8","1","4","4","1") = "7"
    & skf18("5","8","8","1","4","5","1") = "7"
    & skf18("5","8","8","1","4","6","1") = "7"
    & skf18("5","8","8","1","4","7","1") = "7"
    & skf18("5","8","8","1","4","8","1") = "7"
    & skf18("5","8","8","1","4","9","1") = "8"
    & skf18("5","8","8","1","4","10","1") = "9"
    & skf18("5","8","8","1","5","1","1") = "7"
    & skf18("5","8","8","1","5","2","1") = "7"
    & skf18("5","8","8","1","5","3","1") = "7"
    & skf18("5","8","8","1","5","4","1") = "7"
    & skf18("5","8","8","1","5","5","1") = "7"
    & skf18("5","8","8","1","5","6","1") = "7"
    & skf18("5","8","8","1","5","7","1") = "7"
    & skf18("5","8","8","1","5","8","1") = "7"
    & skf18("5","8","8","1","5","9","1") = "8"
    & skf18("5","8","8","1","5","10","1") = "9"
    & skf18("5","8","8","1","6","1","1") = "7"
    & skf18("5","8","8","1","6","2","1") = "7"
    & skf18("5","8","8","1","6","3","1") = "7"
    & skf18("5","8","8","1","6","4","1") = "7"
    & skf18("5","8","8","1","6","5","1") = "7"
    & skf18("5","8","8","1","6","6","1") = "7"
    & skf18("5","8","8","1","6","7","1") = "7"
    & skf18("5","8","8","1","6","8","1") = "7"
    & skf18("5","8","8","1","6","9","1") = "8"
    & skf18("5","8","8","1","6","10","1") = "9"
    & skf18("5","8","8","1","7","1","1") = "7"
    & skf18("5","8","8","1","7","2","1") = "7"
    & skf18("5","8","8","1","7","3","1") = "7"
    & skf18("5","8","8","1","7","4","1") = "7"
    & skf18("5","8","8","1","7","5","1") = "7"
    & skf18("5","8","8","1","7","6","1") = "7"
    & skf18("5","8","8","1","7","7","1") = "7"
    & skf18("5","8","8","1","7","8","1") = "7"
    & skf18("5","8","8","1","7","9","1") = "8"
    & skf18("5","8","8","1","7","10","1") = "9"
    & skf18("5","8","8","1","8","1","1") = "7"
    & skf18("5","8","8","1","8","2","1") = "7"
    & skf18("5","8","8","1","8","3","1") = "7"
    & skf18("5","8","8","1","8","4","1") = "7"
    & skf18("5","8","8","1","8","5","1") = "7"
    & skf18("5","8","8","1","8","6","1") = "7"
    & skf18("5","8","8","1","8","7","1") = "7"
    & skf18("5","8","8","1","8","8","1") = "7"
    & skf18("5","8","8","1","8","9","1") = "8"
    & skf18("5","8","8","1","8","10","1") = "9"
    & skf18("5","8","8","1","9","1","1") = "8"
    & skf18("5","8","8","1","9","2","1") = "8"
    & skf18("5","8","8","1","9","3","1") = "8"
    & skf18("5","8","8","1","9","4","1") = "8"
    & skf18("5","8","8","1","9","5","1") = "8"
    & skf18("5","8","8","1","9","6","1") = "8"
    & skf18("5","8","8","1","9","7","1") = "8"
    & skf18("5","8","8","1","9","8","1") = "8"
    & skf18("5","8","8","1","9","9","1") = "8"
    & skf18("5","8","8","1","9","10","1") = "9"
    & skf18("5","8","8","1","10","1","1") = "9"
    & skf18("5","8","8","1","10","2","1") = "9"
    & skf18("5","8","8","1","10","3","1") = "9"
    & skf18("5","8","8","1","10","4","1") = "9"
    & skf18("5","8","8","1","10","5","1") = "9"
    & skf18("5","8","8","1","10","6","1") = "9"
    & skf18("5","8","8","1","10","7","1") = "9"
    & skf18("5","8","8","1","10","8","1") = "9"
    & skf18("5","8","8","1","10","9","1") = "9"
    & skf18("5","8","8","1","10","10","1") = "9"
    & skf18("5","8","8","2","1","1","1") = "7"
    & skf18("5","8","8","2","1","2","1") = "7"
    & skf18("5","8","8","2","1","3","1") = "7"
    & skf18("5","8","8","2","1","4","1") = "7"
    & skf18("5","8","8","2","1","5","1") = "7"
    & skf18("5","8","8","2","1","6","1") = "7"
    & skf18("5","8","8","2","1","7","1") = "7"
    & skf18("5","8","8","2","1","8","1") = "7"
    & skf18("5","8","8","2","1","9","1") = "8"
    & skf18("5","8","8","2","1","10","1") = "9"
    & skf18("5","8","8","2","2","1","1") = "7"
    & skf18("5","8","8","2","2","2","1") = "7"
    & skf18("5","8","8","2","2","3","1") = "7"
    & skf18("5","8","8","2","2","4","1") = "7"
    & skf18("5","8","8","2","2","5","1") = "7"
    & skf18("5","8","8","2","2","6","1") = "7"
    & skf18("5","8","8","2","2","7","1") = "7"
    & skf18("5","8","8","2","2","8","1") = "7"
    & skf18("5","8","8","2","2","9","1") = "8"
    & skf18("5","8","8","2","2","10","1") = "9"
    & skf18("5","8","8","2","3","1","1") = "7"
    & skf18("5","8","8","2","3","2","1") = "7"
    & skf18("5","8","8","2","3","3","1") = "7"
    & skf18("5","8","8","2","3","4","1") = "7"
    & skf18("5","8","8","2","3","5","1") = "7"
    & skf18("5","8","8","2","3","6","1") = "7"
    & skf18("5","8","8","2","3","7","1") = "7"
    & skf18("5","8","8","2","3","8","1") = "7"
    & skf18("5","8","8","2","3","9","1") = "8"
    & skf18("5","8","8","2","3","10","1") = "9"
    & skf18("5","8","8","2","4","1","1") = "7"
    & skf18("5","8","8","2","4","2","1") = "7"
    & skf18("5","8","8","2","4","3","1") = "7"
    & skf18("5","8","8","2","4","4","1") = "7"
    & skf18("5","8","8","2","4","5","1") = "7"
    & skf18("5","8","8","2","4","6","1") = "7"
    & skf18("5","8","8","2","4","7","1") = "7"
    & skf18("5","8","8","2","4","8","1") = "7"
    & skf18("5","8","8","2","4","9","1") = "8"
    & skf18("5","8","8","2","4","10","1") = "9"
    & skf18("5","8","8","2","5","1","1") = "7"
    & skf18("5","8","8","2","5","2","1") = "7"
    & skf18("5","8","8","2","5","3","1") = "7"
    & skf18("5","8","8","2","5","4","1") = "7"
    & skf18("5","8","8","2","5","5","1") = "7"
    & skf18("5","8","8","2","5","6","1") = "7"
    & skf18("5","8","8","2","5","7","1") = "7"
    & skf18("5","8","8","2","5","8","1") = "7"
    & skf18("5","8","8","2","5","9","1") = "8"
    & skf18("5","8","8","2","5","10","1") = "9"
    & skf18("5","8","8","2","6","1","1") = "7"
    & skf18("5","8","8","2","6","2","1") = "7"
    & skf18("5","8","8","2","6","3","1") = "7"
    & skf18("5","8","8","2","6","4","1") = "7"
    & skf18("5","8","8","2","6","5","1") = "7"
    & skf18("5","8","8","2","6","6","1") = "7"
    & skf18("5","8","8","2","6","7","1") = "7"
    & skf18("5","8","8","2","6","8","1") = "7"
    & skf18("5","8","8","2","6","9","1") = "8"
    & skf18("5","8","8","2","6","10","1") = "9"
    & skf18("5","8","8","2","7","1","1") = "7"
    & skf18("5","8","8","2","7","2","1") = "7"
    & skf18("5","8","8","2","7","3","1") = "7"
    & skf18("5","8","8","2","7","4","1") = "7"
    & skf18("5","8","8","2","7","5","1") = "7"
    & skf18("5","8","8","2","7","6","1") = "7"
    & skf18("5","8","8","2","7","7","1") = "7"
    & skf18("5","8","8","2","7","8","1") = "7"
    & skf18("5","8","8","2","7","9","1") = "8"
    & skf18("5","8","8","2","7","10","1") = "9"
    & skf18("5","8","8","2","8","1","1") = "7"
    & skf18("5","8","8","2","8","2","1") = "7"
    & skf18("5","8","8","2","8","3","1") = "7"
    & skf18("5","8","8","2","8","4","1") = "7"
    & skf18("5","8","8","2","8","5","1") = "7"
    & skf18("5","8","8","2","8","6","1") = "7"
    & skf18("5","8","8","2","8","7","1") = "7"
    & skf18("5","8","8","2","8","8","1") = "7"
    & skf18("5","8","8","2","8","9","1") = "8"
    & skf18("5","8","8","2","8","10","1") = "9"
    & skf18("5","8","8","2","9","1","1") = "8"
    & skf18("5","8","8","2","9","2","1") = "8"
    & skf18("5","8","8","2","9","3","1") = "8"
    & skf18("5","8","8","2","9","4","1") = "8"
    & skf18("5","8","8","2","9","5","1") = "8"
    & skf18("5","8","8","2","9","6","1") = "8"
    & skf18("5","8","8","2","9","7","1") = "8"
    & skf18("5","8","8","2","9","8","1") = "8"
    & skf18("5","8","8","2","9","9","1") = "8"
    & skf18("5","8","8","2","9","10","1") = "9"
    & skf18("5","8","8","2","10","1","1") = "9"
    & skf18("5","8","8","2","10","2","1") = "9"
    & skf18("5","8","8","2","10","3","1") = "9"
    & skf18("5","8","8","2","10","4","1") = "9"
    & skf18("5","8","8","2","10","5","1") = "9"
    & skf18("5","8","8","2","10","6","1") = "9"
    & skf18("5","8","8","2","10","7","1") = "9"
    & skf18("5","8","8","2","10","8","1") = "9"
    & skf18("5","8","8","2","10","9","1") = "9"
    & skf18("5","8","8","2","10","10","1") = "9"
    & skf18("5","8","8","3","1","1","1") = "7"
    & skf18("5","8","8","3","1","2","1") = "7"
    & skf18("5","8","8","3","1","3","1") = "7"
    & skf18("5","8","8","3","1","4","1") = "7"
    & skf18("5","8","8","3","1","5","1") = "7"
    & skf18("5","8","8","3","1","6","1") = "7"
    & skf18("5","8","8","3","1","7","1") = "7"
    & skf18("5","8","8","3","1","8","1") = "7"
    & skf18("5","8","8","3","1","9","1") = "8"
    & skf18("5","8","8","3","1","10","1") = "9"
    & skf18("5","8","8","3","2","1","1") = "7"
    & skf18("5","8","8","3","2","2","1") = "7"
    & skf18("5","8","8","3","2","3","1") = "7"
    & skf18("5","8","8","3","2","4","1") = "7"
    & skf18("5","8","8","3","2","5","1") = "7"
    & skf18("5","8","8","3","2","6","1") = "7"
    & skf18("5","8","8","3","2","7","1") = "7"
    & skf18("5","8","8","3","2","8","1") = "7"
    & skf18("5","8","8","3","2","9","1") = "8"
    & skf18("5","8","8","3","2","10","1") = "9"
    & skf18("5","8","8","3","3","1","1") = "7"
    & skf18("5","8","8","3","3","2","1") = "7"
    & skf18("5","8","8","3","3","3","1") = "7"
    & skf18("5","8","8","3","3","4","1") = "7"
    & skf18("5","8","8","3","3","5","1") = "7"
    & skf18("5","8","8","3","3","6","1") = "7"
    & skf18("5","8","8","3","3","7","1") = "7"
    & skf18("5","8","8","3","3","8","1") = "7"
    & skf18("5","8","8","3","3","9","1") = "8"
    & skf18("5","8","8","3","3","10","1") = "9"
    & skf18("5","8","8","3","4","1","1") = "7"
    & skf18("5","8","8","3","4","2","1") = "7"
    & skf18("5","8","8","3","4","3","1") = "7"
    & skf18("5","8","8","3","4","4","1") = "7"
    & skf18("5","8","8","3","4","5","1") = "7"
    & skf18("5","8","8","3","4","6","1") = "7"
    & skf18("5","8","8","3","4","7","1") = "7"
    & skf18("5","8","8","3","4","8","1") = "7"
    & skf18("5","8","8","3","4","9","1") = "8"
    & skf18("5","8","8","3","4","10","1") = "9"
    & skf18("5","8","8","3","5","1","1") = "7"
    & skf18("5","8","8","3","5","2","1") = "7"
    & skf18("5","8","8","3","5","3","1") = "7"
    & skf18("5","8","8","3","5","4","1") = "7"
    & skf18("5","8","8","3","5","5","1") = "7"
    & skf18("5","8","8","3","5","6","1") = "7"
    & skf18("5","8","8","3","5","7","1") = "7"
    & skf18("5","8","8","3","5","8","1") = "7"
    & skf18("5","8","8","3","5","9","1") = "8"
    & skf18("5","8","8","3","5","10","1") = "9"
    & skf18("5","8","8","3","6","1","1") = "7"
    & skf18("5","8","8","3","6","2","1") = "7"
    & skf18("5","8","8","3","6","3","1") = "7"
    & skf18("5","8","8","3","6","4","1") = "7"
    & skf18("5","8","8","3","6","5","1") = "7"
    & skf18("5","8","8","3","6","6","1") = "7"
    & skf18("5","8","8","3","6","7","1") = "7"
    & skf18("5","8","8","3","6","8","1") = "7"
    & skf18("5","8","8","3","6","9","1") = "8"
    & skf18("5","8","8","3","6","10","1") = "9"
    & skf18("5","8","8","3","7","1","1") = "7"
    & skf18("5","8","8","3","7","2","1") = "7"
    & skf18("5","8","8","3","7","3","1") = "7"
    & skf18("5","8","8","3","7","4","1") = "7"
    & skf18("5","8","8","3","7","5","1") = "7"
    & skf18("5","8","8","3","7","6","1") = "7"
    & skf18("5","8","8","3","7","7","1") = "7"
    & skf18("5","8","8","3","7","8","1") = "7"
    & skf18("5","8","8","3","7","9","1") = "8"
    & skf18("5","8","8","3","7","10","1") = "9"
    & skf18("5","8","8","3","8","1","1") = "7"
    & skf18("5","8","8","3","8","2","1") = "7"
    & skf18("5","8","8","3","8","3","1") = "7"
    & skf18("5","8","8","3","8","4","1") = "7"
    & skf18("5","8","8","3","8","5","1") = "7"
    & skf18("5","8","8","3","8","6","1") = "7"
    & skf18("5","8","8","3","8","7","1") = "7"
    & skf18("5","8","8","3","8","8","1") = "7"
    & skf18("5","8","8","3","8","9","1") = "8"
    & skf18("5","8","8","3","8","10","1") = "9"
    & skf18("5","8","8","3","9","1","1") = "8"
    & skf18("5","8","8","3","9","2","1") = "8"
    & skf18("5","8","8","3","9","3","1") = "8"
    & skf18("5","8","8","3","9","4","1") = "8"
    & skf18("5","8","8","3","9","5","1") = "8"
    & skf18("5","8","8","3","9","6","1") = "8"
    & skf18("5","8","8","3","9","7","1") = "8"
    & skf18("5","8","8","3","9","8","1") = "8"
    & skf18("5","8","8","3","9","9","1") = "8"
    & skf18("5","8","8","3","9","10","1") = "9"
    & skf18("5","8","8","3","10","1","1") = "9"
    & skf18("5","8","8","3","10","2","1") = "9"
    & skf18("5","8","8","3","10","3","1") = "9"
    & skf18("5","8","8","3","10","4","1") = "9"
    & skf18("5","8","8","3","10","5","1") = "9"
    & skf18("5","8","8","3","10","6","1") = "9"
    & skf18("5","8","8","3","10","7","1") = "9"
    & skf18("5","8","8","3","10","8","1") = "9"
    & skf18("5","8","8","3","10","9","1") = "9"
    & skf18("5","8","8","3","10","10","1") = "9"
    & skf18("5","8","8","4","1","1","1") = "7"
    & skf18("5","8","8","4","1","2","1") = "7"
    & skf18("5","8","8","4","1","3","1") = "7"
    & skf18("5","8","8","4","1","4","1") = "7"
    & skf18("5","8","8","4","1","5","1") = "7"
    & skf18("5","8","8","4","1","6","1") = "7"
    & skf18("5","8","8","4","1","7","1") = "7"
    & skf18("5","8","8","4","1","8","1") = "7"
    & skf18("5","8","8","4","1","9","1") = "8"
    & skf18("5","8","8","4","1","10","1") = "9"
    & skf18("5","8","8","4","2","1","1") = "7"
    & skf18("5","8","8","4","2","2","1") = "7"
    & skf18("5","8","8","4","2","3","1") = "7"
    & skf18("5","8","8","4","2","4","1") = "7"
    & skf18("5","8","8","4","2","5","1") = "7"
    & skf18("5","8","8","4","2","6","1") = "7"
    & skf18("5","8","8","4","2","7","1") = "7"
    & skf18("5","8","8","4","2","8","1") = "7"
    & skf18("5","8","8","4","2","9","1") = "8"
    & skf18("5","8","8","4","2","10","1") = "9"
    & skf18("5","8","8","4","3","1","1") = "7"
    & skf18("5","8","8","4","3","2","1") = "7"
    & skf18("5","8","8","4","3","3","1") = "7"
    & skf18("5","8","8","4","3","4","1") = "7"
    & skf18("5","8","8","4","3","5","1") = "7"
    & skf18("5","8","8","4","3","6","1") = "7"
    & skf18("5","8","8","4","3","7","1") = "7"
    & skf18("5","8","8","4","3","8","1") = "7"
    & skf18("5","8","8","4","3","9","1") = "8"
    & skf18("5","8","8","4","3","10","1") = "9"
    & skf18("5","8","8","4","4","1","1") = "7"
    & skf18("5","8","8","4","4","2","1") = "7"
    & skf18("5","8","8","4","4","3","1") = "7"
    & skf18("5","8","8","4","4","4","1") = "7"
    & skf18("5","8","8","4","4","5","1") = "7"
    & skf18("5","8","8","4","4","6","1") = "7"
    & skf18("5","8","8","4","4","7","1") = "7"
    & skf18("5","8","8","4","4","8","1") = "7"
    & skf18("5","8","8","4","4","9","1") = "8"
    & skf18("5","8","8","4","4","10","1") = "9"
    & skf18("5","8","8","4","5","1","1") = "7"
    & skf18("5","8","8","4","5","2","1") = "7"
    & skf18("5","8","8","4","5","3","1") = "7"
    & skf18("5","8","8","4","5","4","1") = "7"
    & skf18("5","8","8","4","5","5","1") = "7"
    & skf18("5","8","8","4","5","6","1") = "7"
    & skf18("5","8","8","4","5","7","1") = "7"
    & skf18("5","8","8","4","5","8","1") = "7"
    & skf18("5","8","8","4","5","9","1") = "8"
    & skf18("5","8","8","4","5","10","1") = "9"
    & skf18("5","8","8","4","6","1","1") = "7"
    & skf18("5","8","8","4","6","2","1") = "7"
    & skf18("5","8","8","4","6","3","1") = "7"
    & skf18("5","8","8","4","6","4","1") = "7"
    & skf18("5","8","8","4","6","5","1") = "7"
    & skf18("5","8","8","4","6","6","1") = "7"
    & skf18("5","8","8","4","6","7","1") = "7"
    & skf18("5","8","8","4","6","8","1") = "7"
    & skf18("5","8","8","4","6","9","1") = "8"
    & skf18("5","8","8","4","6","10","1") = "9"
    & skf18("5","8","8","4","7","1","1") = "7"
    & skf18("5","8","8","4","7","2","1") = "7"
    & skf18("5","8","8","4","7","3","1") = "7"
    & skf18("5","8","8","4","7","4","1") = "7"
    & skf18("5","8","8","4","7","5","1") = "7"
    & skf18("5","8","8","4","7","6","1") = "7"
    & skf18("5","8","8","4","7","7","1") = "7"
    & skf18("5","8","8","4","7","8","1") = "7"
    & skf18("5","8","8","4","7","9","1") = "8"
    & skf18("5","8","8","4","7","10","1") = "9"
    & skf18("5","8","8","4","8","1","1") = "7"
    & skf18("5","8","8","4","8","2","1") = "7"
    & skf18("5","8","8","4","8","3","1") = "7"
    & skf18("5","8","8","4","8","4","1") = "7"
    & skf18("5","8","8","4","8","5","1") = "7"
    & skf18("5","8","8","4","8","6","1") = "7"
    & skf18("5","8","8","4","8","7","1") = "7"
    & skf18("5","8","8","4","8","8","1") = "7"
    & skf18("5","8","8","4","8","9","1") = "8"
    & skf18("5","8","8","4","8","10","1") = "9"
    & skf18("5","8","8","4","9","1","1") = "8"
    & skf18("5","8","8","4","9","2","1") = "8"
    & skf18("5","8","8","4","9","3","1") = "8"
    & skf18("5","8","8","4","9","4","1") = "8"
    & skf18("5","8","8","4","9","5","1") = "8"
    & skf18("5","8","8","4","9","6","1") = "8"
    & skf18("5","8","8","4","9","7","1") = "8"
    & skf18("5","8","8","4","9","8","1") = "8"
    & skf18("5","8","8","4","9","9","1") = "8"
    & skf18("5","8","8","4","9","10","1") = "9"
    & skf18("5","8","8","4","10","1","1") = "9"
    & skf18("5","8","8","4","10","2","1") = "9"
    & skf18("5","8","8","4","10","3","1") = "9"
    & skf18("5","8","8","4","10","4","1") = "9"
    & skf18("5","8","8","4","10","5","1") = "9"
    & skf18("5","8","8","4","10","6","1") = "9"
    & skf18("5","8","8","4","10","7","1") = "9"
    & skf18("5","8","8","4","10","8","1") = "9"
    & skf18("5","8","8","4","10","9","1") = "9"
    & skf18("5","8","8","4","10","10","1") = "9"
    & skf18("5","8","8","5","1","1","1") = "7"
    & skf18("5","8","8","5","1","2","1") = "7"
    & skf18("5","8","8","5","1","3","1") = "7"
    & skf18("5","8","8","5","1","4","1") = "7"
    & skf18("5","8","8","5","1","5","1") = "7"
    & skf18("5","8","8","5","1","6","1") = "7"
    & skf18("5","8","8","5","1","7","1") = "7"
    & skf18("5","8","8","5","1","8","1") = "7"
    & skf18("5","8","8","5","1","9","1") = "8"
    & skf18("5","8","8","5","1","10","1") = "9"
    & skf18("5","8","8","5","2","1","1") = "7"
    & skf18("5","8","8","5","2","2","1") = "7"
    & skf18("5","8","8","5","2","3","1") = "7"
    & skf18("5","8","8","5","2","4","1") = "7"
    & skf18("5","8","8","5","2","5","1") = "7"
    & skf18("5","8","8","5","2","6","1") = "7"
    & skf18("5","8","8","5","2","7","1") = "7"
    & skf18("5","8","8","5","2","8","1") = "7"
    & skf18("5","8","8","5","2","9","1") = "8"
    & skf18("5","8","8","5","2","10","1") = "9"
    & skf18("5","8","8","5","3","1","1") = "7"
    & skf18("5","8","8","5","3","2","1") = "7"
    & skf18("5","8","8","5","3","3","1") = "7"
    & skf18("5","8","8","5","3","4","1") = "7"
    & skf18("5","8","8","5","3","5","1") = "7"
    & skf18("5","8","8","5","3","6","1") = "7"
    & skf18("5","8","8","5","3","7","1") = "7"
    & skf18("5","8","8","5","3","8","1") = "7"
    & skf18("5","8","8","5","3","9","1") = "8"
    & skf18("5","8","8","5","3","10","1") = "9"
    & skf18("5","8","8","5","4","1","1") = "7"
    & skf18("5","8","8","5","4","2","1") = "7"
    & skf18("5","8","8","5","4","3","1") = "7"
    & skf18("5","8","8","5","4","4","1") = "7"
    & skf18("5","8","8","5","4","5","1") = "7"
    & skf18("5","8","8","5","4","6","1") = "7"
    & skf18("5","8","8","5","4","7","1") = "7"
    & skf18("5","8","8","5","4","8","1") = "7"
    & skf18("5","8","8","5","4","9","1") = "8"
    & skf18("5","8","8","5","4","10","1") = "9"
    & skf18("5","8","8","5","5","1","1") = "7"
    & skf18("5","8","8","5","5","2","1") = "7"
    & skf18("5","8","8","5","5","3","1") = "7"
    & skf18("5","8","8","5","5","4","1") = "7"
    & skf18("5","8","8","5","5","5","1") = "7"
    & skf18("5","8","8","5","5","6","1") = "7"
    & skf18("5","8","8","5","5","7","1") = "7"
    & skf18("5","8","8","5","5","8","1") = "7"
    & skf18("5","8","8","5","5","9","1") = "8"
    & skf18("5","8","8","5","5","10","1") = "9"
    & skf18("5","8","8","5","6","1","1") = "7"
    & skf18("5","8","8","5","6","2","1") = "7"
    & skf18("5","8","8","5","6","3","1") = "7"
    & skf18("5","8","8","5","6","4","1") = "7"
    & skf18("5","8","8","5","6","5","1") = "7"
    & skf18("5","8","8","5","6","6","1") = "7"
    & skf18("5","8","8","5","6","7","1") = "7"
    & skf18("5","8","8","5","6","8","1") = "7"
    & skf18("5","8","8","5","6","9","1") = "8"
    & skf18("5","8","8","5","6","10","1") = "9"
    & skf18("5","8","8","5","7","1","1") = "7"
    & skf18("5","8","8","5","7","2","1") = "7"
    & skf18("5","8","8","5","7","3","1") = "7"
    & skf18("5","8","8","5","7","4","1") = "7"
    & skf18("5","8","8","5","7","5","1") = "7"
    & skf18("5","8","8","5","7","6","1") = "7"
    & skf18("5","8","8","5","7","7","1") = "7"
    & skf18("5","8","8","5","7","8","1") = "7"
    & skf18("5","8","8","5","7","9","1") = "8"
    & skf18("5","8","8","5","7","10","1") = "9"
    & skf18("5","8","8","5","8","1","1") = "7"
    & skf18("5","8","8","5","8","2","1") = "7"
    & skf18("5","8","8","5","8","3","1") = "7"
    & skf18("5","8","8","5","8","4","1") = "7"
    & skf18("5","8","8","5","8","5","1") = "7"
    & skf18("5","8","8","5","8","6","1") = "7"
    & skf18("5","8","8","5","8","7","1") = "7"
    & skf18("5","8","8","5","8","8","1") = "7"
    & skf18("5","8","8","5","8","9","1") = "8"
    & skf18("5","8","8","5","8","10","1") = "9"
    & skf18("5","8","8","5","9","1","1") = "8"
    & skf18("5","8","8","5","9","2","1") = "8"
    & skf18("5","8","8","5","9","3","1") = "8"
    & skf18("5","8","8","5","9","4","1") = "8"
    & skf18("5","8","8","5","9","5","1") = "8"
    & skf18("5","8","8","5","9","6","1") = "8"
    & skf18("5","8","8","5","9","7","1") = "8"
    & skf18("5","8","8","5","9","8","1") = "8"
    & skf18("5","8","8","5","9","9","1") = "8"
    & skf18("5","8","8","5","9","10","1") = "9"
    & skf18("5","8","8","5","10","1","1") = "9"
    & skf18("5","8","8","5","10","2","1") = "9"
    & skf18("5","8","8","5","10","3","1") = "9"
    & skf18("5","8","8","5","10","4","1") = "9"
    & skf18("5","8","8","5","10","5","1") = "9"
    & skf18("5","8","8","5","10","6","1") = "9"
    & skf18("5","8","8","5","10","7","1") = "9"
    & skf18("5","8","8","5","10","8","1") = "9"
    & skf18("5","8","8","5","10","9","1") = "9"
    & skf18("5","8","8","5","10","10","1") = "9"
    & skf18("5","8","8","6","1","1","1") = "7"
    & skf18("5","8","8","6","1","2","1") = "7"
    & skf18("5","8","8","6","1","3","1") = "7"
    & skf18("5","8","8","6","1","4","1") = "7"
    & skf18("5","8","8","6","1","5","1") = "7"
    & skf18("5","8","8","6","1","6","1") = "7"
    & skf18("5","8","8","6","1","7","1") = "7"
    & skf18("5","8","8","6","1","8","1") = "7"
    & skf18("5","8","8","6","1","9","1") = "8"
    & skf18("5","8","8","6","1","10","1") = "9"
    & skf18("5","8","8","6","2","1","1") = "7"
    & skf18("5","8","8","6","2","2","1") = "7"
    & skf18("5","8","8","6","2","3","1") = "7"
    & skf18("5","8","8","6","2","4","1") = "7"
    & skf18("5","8","8","6","2","5","1") = "7"
    & skf18("5","8","8","6","2","6","1") = "7"
    & skf18("5","8","8","6","2","7","1") = "7"
    & skf18("5","8","8","6","2","8","1") = "7"
    & skf18("5","8","8","6","2","9","1") = "8"
    & skf18("5","8","8","6","2","10","1") = "9"
    & skf18("5","8","8","6","3","1","1") = "7"
    & skf18("5","8","8","6","3","2","1") = "7"
    & skf18("5","8","8","6","3","3","1") = "7"
    & skf18("5","8","8","6","3","4","1") = "7"
    & skf18("5","8","8","6","3","5","1") = "7"
    & skf18("5","8","8","6","3","6","1") = "7"
    & skf18("5","8","8","6","3","7","1") = "7"
    & skf18("5","8","8","6","3","8","1") = "7"
    & skf18("5","8","8","6","3","9","1") = "8"
    & skf18("5","8","8","6","3","10","1") = "9"
    & skf18("5","8","8","6","4","1","1") = "7"
    & skf18("5","8","8","6","4","2","1") = "7"
    & skf18("5","8","8","6","4","3","1") = "7"
    & skf18("5","8","8","6","4","4","1") = "7"
    & skf18("5","8","8","6","4","5","1") = "7"
    & skf18("5","8","8","6","4","6","1") = "7"
    & skf18("5","8","8","6","4","7","1") = "7"
    & skf18("5","8","8","6","4","8","1") = "7"
    & skf18("5","8","8","6","4","9","1") = "8"
    & skf18("5","8","8","6","4","10","1") = "9"
    & skf18("5","8","8","6","5","1","1") = "7"
    & skf18("5","8","8","6","5","2","1") = "7"
    & skf18("5","8","8","6","5","3","1") = "7"
    & skf18("5","8","8","6","5","4","1") = "7"
    & skf18("5","8","8","6","5","5","1") = "7"
    & skf18("5","8","8","6","5","6","1") = "7"
    & skf18("5","8","8","6","5","7","1") = "7"
    & skf18("5","8","8","6","5","8","1") = "7"
    & skf18("5","8","8","6","5","9","1") = "8"
    & skf18("5","8","8","6","5","10","1") = "9"
    & skf18("5","8","8","6","6","1","1") = "7"
    & skf18("5","8","8","6","6","2","1") = "7"
    & skf18("5","8","8","6","6","3","1") = "7"
    & skf18("5","8","8","6","6","4","1") = "7"
    & skf18("5","8","8","6","6","5","1") = "7"
    & skf18("5","8","8","6","6","6","1") = "7"
    & skf18("5","8","8","6","6","7","1") = "7"
    & skf18("5","8","8","6","6","8","1") = "7"
    & skf18("5","8","8","6","6","9","1") = "8"
    & skf18("5","8","8","6","6","10","1") = "9"
    & skf18("5","8","8","6","7","1","1") = "7"
    & skf18("5","8","8","6","7","2","1") = "7"
    & skf18("5","8","8","6","7","3","1") = "7"
    & skf18("5","8","8","6","7","4","1") = "7"
    & skf18("5","8","8","6","7","5","1") = "7"
    & skf18("5","8","8","6","7","6","1") = "7"
    & skf18("5","8","8","6","7","7","1") = "7"
    & skf18("5","8","8","6","7","8","1") = "7"
    & skf18("5","8","8","6","7","9","1") = "8"
    & skf18("5","8","8","6","7","10","1") = "9"
    & skf18("5","8","8","6","8","1","1") = "7"
    & skf18("5","8","8","6","8","2","1") = "7"
    & skf18("5","8","8","6","8","3","1") = "7"
    & skf18("5","8","8","6","8","4","1") = "7"
    & skf18("5","8","8","6","8","5","1") = "7"
    & skf18("5","8","8","6","8","6","1") = "7"
    & skf18("5","8","8","6","8","7","1") = "7"
    & skf18("5","8","8","6","8","8","1") = "7"
    & skf18("5","8","8","6","8","9","1") = "8"
    & skf18("5","8","8","6","8","10","1") = "9"
    & skf18("5","8","8","6","9","1","1") = "8"
    & skf18("5","8","8","6","9","2","1") = "8"
    & skf18("5","8","8","6","9","3","1") = "8"
    & skf18("5","8","8","6","9","4","1") = "8"
    & skf18("5","8","8","6","9","5","1") = "8"
    & skf18("5","8","8","6","9","6","1") = "8"
    & skf18("5","8","8","6","9","7","1") = "8"
    & skf18("5","8","8","6","9","8","1") = "8"
    & skf18("5","8","8","6","9","9","1") = "8"
    & skf18("5","8","8","6","9","10","1") = "9"
    & skf18("5","8","8","6","10","1","1") = "9"
    & skf18("5","8","8","6","10","2","1") = "9"
    & skf18("5","8","8","6","10","3","1") = "9"
    & skf18("5","8","8","6","10","4","1") = "9"
    & skf18("5","8","8","6","10","5","1") = "9"
    & skf18("5","8","8","6","10","6","1") = "9"
    & skf18("5","8","8","6","10","7","1") = "9"
    & skf18("5","8","8","6","10","8","1") = "9"
    & skf18("5","8","8","6","10","9","1") = "9"
    & skf18("5","8","8","6","10","10","1") = "9"
    & skf18("5","8","8","7","1","1","1") = "7"
    & skf18("5","8","8","7","1","2","1") = "7"
    & skf18("5","8","8","7","1","3","1") = "7"
    & skf18("5","8","8","7","1","4","1") = "7"
    & skf18("5","8","8","7","1","5","1") = "7"
    & skf18("5","8","8","7","1","6","1") = "7"
    & skf18("5","8","8","7","1","7","1") = "7"
    & skf18("5","8","8","7","1","8","1") = "7"
    & skf18("5","8","8","7","1","9","1") = "8"
    & skf18("5","8","8","7","1","10","1") = "9"
    & skf18("5","8","8","7","2","1","1") = "7"
    & skf18("5","8","8","7","2","2","1") = "7"
    & skf18("5","8","8","7","2","3","1") = "7"
    & skf18("5","8","8","7","2","4","1") = "7"
    & skf18("5","8","8","7","2","5","1") = "7"
    & skf18("5","8","8","7","2","6","1") = "7"
    & skf18("5","8","8","7","2","7","1") = "7"
    & skf18("5","8","8","7","2","8","1") = "7"
    & skf18("5","8","8","7","2","9","1") = "8"
    & skf18("5","8","8","7","2","10","1") = "9"
    & skf18("5","8","8","7","3","1","1") = "7"
    & skf18("5","8","8","7","3","2","1") = "7"
    & skf18("5","8","8","7","3","3","1") = "7"
    & skf18("5","8","8","7","3","4","1") = "7"
    & skf18("5","8","8","7","3","5","1") = "7"
    & skf18("5","8","8","7","3","6","1") = "7"
    & skf18("5","8","8","7","3","7","1") = "7"
    & skf18("5","8","8","7","3","8","1") = "7"
    & skf18("5","8","8","7","3","9","1") = "8"
    & skf18("5","8","8","7","3","10","1") = "9"
    & skf18("5","8","8","7","4","1","1") = "7"
    & skf18("5","8","8","7","4","2","1") = "7"
    & skf18("5","8","8","7","4","3","1") = "7"
    & skf18("5","8","8","7","4","4","1") = "7"
    & skf18("5","8","8","7","4","5","1") = "7"
    & skf18("5","8","8","7","4","6","1") = "7"
    & skf18("5","8","8","7","4","7","1") = "7"
    & skf18("5","8","8","7","4","8","1") = "7"
    & skf18("5","8","8","7","4","9","1") = "8"
    & skf18("5","8","8","7","4","10","1") = "9"
    & skf18("5","8","8","7","5","1","1") = "7"
    & skf18("5","8","8","7","5","2","1") = "7"
    & skf18("5","8","8","7","5","3","1") = "7"
    & skf18("5","8","8","7","5","4","1") = "7"
    & skf18("5","8","8","7","5","5","1") = "7"
    & skf18("5","8","8","7","5","6","1") = "7"
    & skf18("5","8","8","7","5","7","1") = "7"
    & skf18("5","8","8","7","5","8","1") = "7"
    & skf18("5","8","8","7","5","9","1") = "8"
    & skf18("5","8","8","7","5","10","1") = "9"
    & skf18("5","8","8","7","6","1","1") = "7"
    & skf18("5","8","8","7","6","2","1") = "7"
    & skf18("5","8","8","7","6","3","1") = "7"
    & skf18("5","8","8","7","6","4","1") = "7"
    & skf18("5","8","8","7","6","5","1") = "7"
    & skf18("5","8","8","7","6","6","1") = "7"
    & skf18("5","8","8","7","6","7","1") = "7"
    & skf18("5","8","8","7","6","8","1") = "7"
    & skf18("5","8","8","7","6","9","1") = "8"
    & skf18("5","8","8","7","6","10","1") = "9"
    & skf18("5","8","8","7","7","1","1") = "7"
    & skf18("5","8","8","7","7","2","1") = "7"
    & skf18("5","8","8","7","7","3","1") = "7"
    & skf18("5","8","8","7","7","4","1") = "7"
    & skf18("5","8","8","7","7","5","1") = "7"
    & skf18("5","8","8","7","7","6","1") = "7"
    & skf18("5","8","8","7","7","7","1") = "7"
    & skf18("5","8","8","7","7","8","1") = "7"
    & skf18("5","8","8","7","7","9","1") = "8"
    & skf18("5","8","8","7","7","10","1") = "9"
    & skf18("5","8","8","7","8","1","1") = "7"
    & skf18("5","8","8","7","8","2","1") = "7"
    & skf18("5","8","8","7","8","3","1") = "7"
    & skf18("5","8","8","7","8","4","1") = "7"
    & skf18("5","8","8","7","8","5","1") = "7"
    & skf18("5","8","8","7","8","6","1") = "7"
    & skf18("5","8","8","7","8","7","1") = "7"
    & skf18("5","8","8","7","8","8","1") = "7"
    & skf18("5","8","8","7","8","9","1") = "8"
    & skf18("5","8","8","7","8","10","1") = "9"
    & skf18("5","8","8","7","9","1","1") = "8"
    & skf18("5","8","8","7","9","2","1") = "8"
    & skf18("5","8","8","7","9","3","1") = "8"
    & skf18("5","8","8","7","9","4","1") = "8"
    & skf18("5","8","8","7","9","5","1") = "8"
    & skf18("5","8","8","7","9","6","1") = "8"
    & skf18("5","8","8","7","9","7","1") = "8"
    & skf18("5","8","8","7","9","8","1") = "8"
    & skf18("5","8","8","7","9","9","1") = "8"
    & skf18("5","8","8","7","9","10","1") = "9"
    & skf18("5","8","8","7","10","1","1") = "9"
    & skf18("5","8","8","7","10","2","1") = "9"
    & skf18("5","8","8","7","10","3","1") = "9"
    & skf18("5","8","8","7","10","4","1") = "9"
    & skf18("5","8","8","7","10","5","1") = "9"
    & skf18("5","8","8","7","10","6","1") = "9"
    & skf18("5","8","8","7","10","7","1") = "9"
    & skf18("5","8","8","7","10","8","1") = "9"
    & skf18("5","8","8","7","10","9","1") = "9"
    & skf18("5","8","8","7","10","10","1") = "9"
    & skf18("5","8","8","8","1","1","1") = "7"
    & skf18("5","8","8","8","1","2","1") = "7"
    & skf18("5","8","8","8","1","3","1") = "7"
    & skf18("5","8","8","8","1","4","1") = "7"
    & skf18("5","8","8","8","1","5","1") = "7"
    & skf18("5","8","8","8","1","6","1") = "7"
    & skf18("5","8","8","8","1","7","1") = "7"
    & skf18("5","8","8","8","1","8","1") = "7"
    & skf18("5","8","8","8","1","9","1") = "8"
    & skf18("5","8","8","8","1","10","1") = "9"
    & skf18("5","8","8","8","2","1","1") = "7"
    & skf18("5","8","8","8","2","2","1") = "7"
    & skf18("5","8","8","8","2","3","1") = "7"
    & skf18("5","8","8","8","2","4","1") = "7"
    & skf18("5","8","8","8","2","5","1") = "7"
    & skf18("5","8","8","8","2","6","1") = "7"
    & skf18("5","8","8","8","2","7","1") = "7"
    & skf18("5","8","8","8","2","8","1") = "7"
    & skf18("5","8","8","8","2","9","1") = "8"
    & skf18("5","8","8","8","2","10","1") = "9"
    & skf18("5","8","8","8","3","1","1") = "7"
    & skf18("5","8","8","8","3","2","1") = "7"
    & skf18("5","8","8","8","3","3","1") = "7"
    & skf18("5","8","8","8","3","4","1") = "7"
    & skf18("5","8","8","8","3","5","1") = "7"
    & skf18("5","8","8","8","3","6","1") = "7"
    & skf18("5","8","8","8","3","7","1") = "7"
    & skf18("5","8","8","8","3","8","1") = "7"
    & skf18("5","8","8","8","3","9","1") = "8"
    & skf18("5","8","8","8","3","10","1") = "9"
    & skf18("5","8","8","8","4","1","1") = "7"
    & skf18("5","8","8","8","4","2","1") = "7"
    & skf18("5","8","8","8","4","3","1") = "7"
    & skf18("5","8","8","8","4","4","1") = "7"
    & skf18("5","8","8","8","4","5","1") = "7"
    & skf18("5","8","8","8","4","6","1") = "7"
    & skf18("5","8","8","8","4","7","1") = "7"
    & skf18("5","8","8","8","4","8","1") = "7"
    & skf18("5","8","8","8","4","9","1") = "8"
    & skf18("5","8","8","8","4","10","1") = "9"
    & skf18("5","8","8","8","5","1","1") = "7"
    & skf18("5","8","8","8","5","2","1") = "7"
    & skf18("5","8","8","8","5","3","1") = "7"
    & skf18("5","8","8","8","5","4","1") = "7"
    & skf18("5","8","8","8","5","5","1") = "7"
    & skf18("5","8","8","8","5","6","1") = "7"
    & skf18("5","8","8","8","5","7","1") = "7"
    & skf18("5","8","8","8","5","8","1") = "7"
    & skf18("5","8","8","8","5","9","1") = "8"
    & skf18("5","8","8","8","5","10","1") = "9"
    & skf18("5","8","8","8","6","1","1") = "7"
    & skf18("5","8","8","8","6","2","1") = "7"
    & skf18("5","8","8","8","6","3","1") = "7"
    & skf18("5","8","8","8","6","4","1") = "7"
    & skf18("5","8","8","8","6","5","1") = "7"
    & skf18("5","8","8","8","6","6","1") = "7"
    & skf18("5","8","8","8","6","7","1") = "7"
    & skf18("5","8","8","8","6","8","1") = "7"
    & skf18("5","8","8","8","6","9","1") = "8"
    & skf18("5","8","8","8","6","10","1") = "9"
    & skf18("5","8","8","8","7","1","1") = "7"
    & skf18("5","8","8","8","7","2","1") = "7"
    & skf18("5","8","8","8","7","3","1") = "7"
    & skf18("5","8","8","8","7","4","1") = "7"
    & skf18("5","8","8","8","7","5","1") = "7"
    & skf18("5","8","8","8","7","6","1") = "7"
    & skf18("5","8","8","8","7","7","1") = "7"
    & skf18("5","8","8","8","7","8","1") = "7"
    & skf18("5","8","8","8","7","9","1") = "8"
    & skf18("5","8","8","8","7","10","1") = "9"
    & skf18("5","8","8","8","8","1","1") = "7"
    & skf18("5","8","8","8","8","2","1") = "7"
    & skf18("5","8","8","8","8","3","1") = "7"
    & skf18("5","8","8","8","8","4","1") = "7"
    & skf18("5","8","8","8","8","5","1") = "7"
    & skf18("5","8","8","8","8","6","1") = "7"
    & skf18("5","8","8","8","8","7","1") = "7"
    & skf18("5","8","8","8","8","8","1") = "7"
    & skf18("5","8","8","8","8","9","1") = "8"
    & skf18("5","8","8","8","8","10","1") = "9"
    & skf18("5","8","8","8","9","1","1") = "8"
    & skf18("5","8","8","8","9","2","1") = "8"
    & skf18("5","8","8","8","9","3","1") = "8"
    & skf18("5","8","8","8","9","4","1") = "8"
    & skf18("5","8","8","8","9","5","1") = "8"
    & skf18("5","8","8","8","9","6","1") = "8"
    & skf18("5","8","8","8","9","7","1") = "8"
    & skf18("5","8","8","8","9","8","1") = "8"
    & skf18("5","8","8","8","9","9","1") = "8"
    & skf18("5","8","8","8","9","10","1") = "9"
    & skf18("5","8","8","8","10","1","1") = "9"
    & skf18("5","8","8","8","10","2","1") = "9"
    & skf18("5","8","8","8","10","3","1") = "9"
    & skf18("5","8","8","8","10","4","1") = "9"
    & skf18("5","8","8","8","10","5","1") = "9"
    & skf18("5","8","8","8","10","6","1") = "9"
    & skf18("5","8","8","8","10","7","1") = "9"
    & skf18("5","8","8","8","10","8","1") = "9"
    & skf18("5","8","8","8","10","9","1") = "9"
    & skf18("5","8","8","8","10","10","1") = "9"
    & skf18("5","8","8","9","1","1","1") = "8"
    & skf18("5","8","8","9","1","2","1") = "8"
    & skf18("5","8","8","9","1","3","1") = "8"
    & skf18("5","8","8","9","1","4","1") = "8"
    & skf18("5","8","8","9","1","5","1") = "8"
    & skf18("5","8","8","9","1","6","1") = "8"
    & skf18("5","8","8","9","1","7","1") = "8"
    & skf18("5","8","8","9","1","8","1") = "8"
    & skf18("5","8","8","9","1","9","1") = "8"
    & skf18("5","8","8","9","1","10","1") = "9"
    & skf18("5","8","8","9","2","1","1") = "8"
    & skf18("5","8","8","9","2","2","1") = "8"
    & skf18("5","8","8","9","2","3","1") = "8"
    & skf18("5","8","8","9","2","4","1") = "8"
    & skf18("5","8","8","9","2","5","1") = "8"
    & skf18("5","8","8","9","2","6","1") = "8"
    & skf18("5","8","8","9","2","7","1") = "8"
    & skf18("5","8","8","9","2","8","1") = "8"
    & skf18("5","8","8","9","2","9","1") = "8"
    & skf18("5","8","8","9","2","10","1") = "9"
    & skf18("5","8","8","9","3","1","1") = "8"
    & skf18("5","8","8","9","3","2","1") = "8"
    & skf18("5","8","8","9","3","3","1") = "8"
    & skf18("5","8","8","9","3","4","1") = "8"
    & skf18("5","8","8","9","3","5","1") = "8"
    & skf18("5","8","8","9","3","6","1") = "8"
    & skf18("5","8","8","9","3","7","1") = "8"
    & skf18("5","8","8","9","3","8","1") = "8"
    & skf18("5","8","8","9","3","9","1") = "8"
    & skf18("5","8","8","9","3","10","1") = "9"
    & skf18("5","8","8","9","4","1","1") = "8"
    & skf18("5","8","8","9","4","2","1") = "8"
    & skf18("5","8","8","9","4","3","1") = "8"
    & skf18("5","8","8","9","4","4","1") = "8"
    & skf18("5","8","8","9","4","5","1") = "8"
    & skf18("5","8","8","9","4","6","1") = "8"
    & skf18("5","8","8","9","4","7","1") = "8"
    & skf18("5","8","8","9","4","8","1") = "8"
    & skf18("5","8","8","9","4","9","1") = "8"
    & skf18("5","8","8","9","4","10","1") = "9"
    & skf18("5","8","8","9","5","1","1") = "8"
    & skf18("5","8","8","9","5","2","1") = "8"
    & skf18("5","8","8","9","5","3","1") = "8"
    & skf18("5","8","8","9","5","4","1") = "8"
    & skf18("5","8","8","9","5","5","1") = "8"
    & skf18("5","8","8","9","5","6","1") = "8"
    & skf18("5","8","8","9","5","7","1") = "8"
    & skf18("5","8","8","9","5","8","1") = "8"
    & skf18("5","8","8","9","5","9","1") = "8"
    & skf18("5","8","8","9","5","10","1") = "9"
    & skf18("5","8","8","9","6","1","1") = "8"
    & skf18("5","8","8","9","6","2","1") = "8"
    & skf18("5","8","8","9","6","3","1") = "8"
    & skf18("5","8","8","9","6","4","1") = "8"
    & skf18("5","8","8","9","6","5","1") = "8"
    & skf18("5","8","8","9","6","6","1") = "8"
    & skf18("5","8","8","9","6","7","1") = "8"
    & skf18("5","8","8","9","6","8","1") = "8"
    & skf18("5","8","8","9","6","9","1") = "8"
    & skf18("5","8","8","9","6","10","1") = "9"
    & skf18("5","8","8","9","7","1","1") = "8"
    & skf18("5","8","8","9","7","2","1") = "8"
    & skf18("5","8","8","9","7","3","1") = "8"
    & skf18("5","8","8","9","7","4","1") = "8"
    & skf18("5","8","8","9","7","5","1") = "8"
    & skf18("5","8","8","9","7","6","1") = "8"
    & skf18("5","8","8","9","7","7","1") = "8"
    & skf18("5","8","8","9","7","8","1") = "8"
    & skf18("5","8","8","9","7","9","1") = "8"
    & skf18("5","8","8","9","7","10","1") = "9"
    & skf18("5","8","8","9","8","1","1") = "8"
    & skf18("5","8","8","9","8","2","1") = "8"
    & skf18("5","8","8","9","8","3","1") = "8"
    & skf18("5","8","8","9","8","4","1") = "8"
    & skf18("5","8","8","9","8","5","1") = "8"
    & skf18("5","8","8","9","8","6","1") = "8"
    & skf18("5","8","8","9","8","7","1") = "8"
    & skf18("5","8","8","9","8","8","1") = "8"
    & skf18("5","8","8","9","8","9","1") = "8"
    & skf18("5","8","8","9","8","10","1") = "9"
    & skf18("5","8","8","9","9","1","1") = "8"
    & skf18("5","8","8","9","9","2","1") = "8"
    & skf18("5","8","8","9","9","3","1") = "8"
    & skf18("5","8","8","9","9","4","1") = "8"
    & skf18("5","8","8","9","9","5","1") = "8"
    & skf18("5","8","8","9","9","6","1") = "8"
    & skf18("5","8","8","9","9","7","1") = "8"
    & skf18("5","8","8","9","9","8","1") = "8"
    & skf18("5","8","8","9","9","9","1") = "8"
    & skf18("5","8","8","9","9","10","1") = "9"
    & skf18("5","8","8","9","10","1","1") = "9"
    & skf18("5","8","8","9","10","2","1") = "9"
    & skf18("5","8","8","9","10","3","1") = "9"
    & skf18("5","8","8","9","10","4","1") = "9"
    & skf18("5","8","8","9","10","5","1") = "9"
    & skf18("5","8","8","9","10","6","1") = "9"
    & skf18("5","8","8","9","10","7","1") = "9"
    & skf18("5","8","8","9","10","8","1") = "9"
    & skf18("5","8","8","9","10","9","1") = "9"
    & skf18("5","8","8","9","10","10","1") = "9"
    & skf18("5","8","8","10","1","1","1") = "9"
    & skf18("5","8","8","10","1","2","1") = "9"
    & skf18("5","8","8","10","1","3","1") = "9"
    & skf18("5","8","8","10","1","4","1") = "9"
    & skf18("5","8","8","10","1","5","1") = "9"
    & skf18("5","8","8","10","1","6","1") = "9"
    & skf18("5","8","8","10","1","7","1") = "9"
    & skf18("5","8","8","10","1","8","1") = "9"
    & skf18("5","8","8","10","1","9","1") = "9"
    & skf18("5","8","8","10","1","10","1") = "9"
    & skf18("5","8","8","10","2","1","1") = "9"
    & skf18("5","8","8","10","2","2","1") = "9"
    & skf18("5","8","8","10","2","3","1") = "9"
    & skf18("5","8","8","10","2","4","1") = "9"
    & skf18("5","8","8","10","2","5","1") = "9"
    & skf18("5","8","8","10","2","6","1") = "9"
    & skf18("5","8","8","10","2","7","1") = "9"
    & skf18("5","8","8","10","2","8","1") = "9"
    & skf18("5","8","8","10","2","9","1") = "9"
    & skf18("5","8","8","10","2","10","1") = "9"
    & skf18("5","8","8","10","3","1","1") = "9"
    & skf18("5","8","8","10","3","2","1") = "9"
    & skf18("5","8","8","10","3","3","1") = "9"
    & skf18("5","8","8","10","3","4","1") = "9"
    & skf18("5","8","8","10","3","5","1") = "9"
    & skf18("5","8","8","10","3","6","1") = "9"
    & skf18("5","8","8","10","3","7","1") = "9"
    & skf18("5","8","8","10","3","8","1") = "9"
    & skf18("5","8","8","10","3","9","1") = "9"
    & skf18("5","8","8","10","3","10","1") = "9"
    & skf18("5","8","8","10","4","1","1") = "9"
    & skf18("5","8","8","10","4","2","1") = "9"
    & skf18("5","8","8","10","4","3","1") = "9"
    & skf18("5","8","8","10","4","4","1") = "9"
    & skf18("5","8","8","10","4","5","1") = "9"
    & skf18("5","8","8","10","4","6","1") = "9"
    & skf18("5","8","8","10","4","7","1") = "9"
    & skf18("5","8","8","10","4","8","1") = "9"
    & skf18("5","8","8","10","4","9","1") = "9"
    & skf18("5","8","8","10","4","10","1") = "9"
    & skf18("5","8","8","10","5","1","1") = "9"
    & skf18("5","8","8","10","5","2","1") = "9"
    & skf18("5","8","8","10","5","3","1") = "9"
    & skf18("5","8","8","10","5","4","1") = "9"
    & skf18("5","8","8","10","5","5","1") = "9"
    & skf18("5","8","8","10","5","6","1") = "9"
    & skf18("5","8","8","10","5","7","1") = "9"
    & skf18("5","8","8","10","5","8","1") = "9"
    & skf18("5","8","8","10","5","9","1") = "9"
    & skf18("5","8","8","10","5","10","1") = "9"
    & skf18("5","8","8","10","6","1","1") = "9"
    & skf18("5","8","8","10","6","2","1") = "9"
    & skf18("5","8","8","10","6","3","1") = "9"
    & skf18("5","8","8","10","6","4","1") = "9"
    & skf18("5","8","8","10","6","5","1") = "9"
    & skf18("5","8","8","10","6","6","1") = "9"
    & skf18("5","8","8","10","6","7","1") = "9"
    & skf18("5","8","8","10","6","8","1") = "9"
    & skf18("5","8","8","10","6","9","1") = "9"
    & skf18("5","8","8","10","6","10","1") = "9"
    & skf18("5","8","8","10","7","1","1") = "9"
    & skf18("5","8","8","10","7","2","1") = "9"
    & skf18("5","8","8","10","7","3","1") = "9"
    & skf18("5","8","8","10","7","4","1") = "9"
    & skf18("5","8","8","10","7","5","1") = "9"
    & skf18("5","8","8","10","7","6","1") = "9"
    & skf18("5","8","8","10","7","7","1") = "9"
    & skf18("5","8","8","10","7","8","1") = "9"
    & skf18("5","8","8","10","7","9","1") = "9"
    & skf18("5","8","8","10","7","10","1") = "9"
    & skf18("5","8","8","10","8","1","1") = "9"
    & skf18("5","8","8","10","8","2","1") = "9"
    & skf18("5","8","8","10","8","3","1") = "9"
    & skf18("5","8","8","10","8","4","1") = "9"
    & skf18("5","8","8","10","8","5","1") = "9"
    & skf18("5","8","8","10","8","6","1") = "9"
    & skf18("5","8","8","10","8","7","1") = "9"
    & skf18("5","8","8","10","8","8","1") = "9"
    & skf18("5","8","8","10","8","9","1") = "9"
    & skf18("5","8","8","10","8","10","1") = "9"
    & skf18("5","8","8","10","9","1","1") = "9"
    & skf18("5","8","8","10","9","2","1") = "9"
    & skf18("5","8","8","10","9","3","1") = "9"
    & skf18("5","8","8","10","9","4","1") = "9"
    & skf18("5","8","8","10","9","5","1") = "9"
    & skf18("5","8","8","10","9","6","1") = "9"
    & skf18("5","8","8","10","9","7","1") = "9"
    & skf18("5","8","8","10","9","8","1") = "9"
    & skf18("5","8","8","10","9","9","1") = "9"
    & skf18("5","8","8","10","9","10","1") = "9"
    & skf18("5","8","8","10","10","1","1") = "9"
    & skf18("5","8","8","10","10","2","1") = "9"
    & skf18("5","8","8","10","10","3","1") = "9"
    & skf18("5","8","8","10","10","4","1") = "9"
    & skf18("5","8","8","10","10","5","1") = "9"
    & skf18("5","8","8","10","10","6","1") = "9"
    & skf18("5","8","8","10","10","7","1") = "9"
    & skf18("5","8","8","10","10","8","1") = "9"
    & skf18("5","8","8","10","10","9","1") = "9"
    & skf18("5","8","8","10","10","10","1") = "9"
    & skf18("5","8","9","1","1","1","1") = "8"
    & skf18("5","8","9","1","1","2","1") = "8"
    & skf18("5","8","9","1","1","3","1") = "8"
    & skf18("5","8","9","1","1","4","1") = "8"
    & skf18("5","8","9","1","1","5","1") = "8"
    & skf18("5","8","9","1","1","6","1") = "8"
    & skf18("5","8","9","1","1","7","1") = "8"
    & skf18("5","8","9","1","1","8","1") = "8"
    & skf18("5","8","9","1","1","9","1") = "8"
    & skf18("5","8","9","1","1","10","1") = "9"
    & skf18("5","8","9","1","2","1","1") = "8"
    & skf18("5","8","9","1","2","2","1") = "8"
    & skf18("5","8","9","1","2","3","1") = "8"
    & skf18("5","8","9","1","2","4","1") = "8"
    & skf18("5","8","9","1","2","5","1") = "8"
    & skf18("5","8","9","1","2","6","1") = "8"
    & skf18("5","8","9","1","2","7","1") = "8"
    & skf18("5","8","9","1","2","8","1") = "8"
    & skf18("5","8","9","1","2","9","1") = "8"
    & skf18("5","8","9","1","2","10","1") = "9"
    & skf18("5","8","9","1","3","1","1") = "8"
    & skf18("5","8","9","1","3","2","1") = "8"
    & skf18("5","8","9","1","3","3","1") = "8"
    & skf18("5","8","9","1","3","4","1") = "8"
    & skf18("5","8","9","1","3","5","1") = "8"
    & skf18("5","8","9","1","3","6","1") = "8"
    & skf18("5","8","9","1","3","7","1") = "8"
    & skf18("5","8","9","1","3","8","1") = "8"
    & skf18("5","8","9","1","3","9","1") = "8"
    & skf18("5","8","9","1","3","10","1") = "9"
    & skf18("5","8","9","1","4","1","1") = "8"
    & skf18("5","8","9","1","4","2","1") = "8"
    & skf18("5","8","9","1","4","3","1") = "8"
    & skf18("5","8","9","1","4","4","1") = "8"
    & skf18("5","8","9","1","4","5","1") = "8"
    & skf18("5","8","9","1","4","6","1") = "8"
    & skf18("5","8","9","1","4","7","1") = "8"
    & skf18("5","8","9","1","4","8","1") = "8"
    & skf18("5","8","9","1","4","9","1") = "8"
    & skf18("5","8","9","1","4","10","1") = "9"
    & skf18("5","8","9","1","5","1","1") = "8"
    & skf18("5","8","9","1","5","2","1") = "8"
    & skf18("5","8","9","1","5","3","1") = "8"
    & skf18("5","8","9","1","5","4","1") = "8"
    & skf18("5","8","9","1","5","5","1") = "8"
    & skf18("5","8","9","1","5","6","1") = "8"
    & skf18("5","8","9","1","5","7","1") = "8"
    & skf18("5","8","9","1","5","8","1") = "8"
    & skf18("5","8","9","1","5","9","1") = "8"
    & skf18("5","8","9","1","5","10","1") = "9"
    & skf18("5","8","9","1","6","1","1") = "8"
    & skf18("5","8","9","1","6","2","1") = "8"
    & skf18("5","8","9","1","6","3","1") = "8"
    & skf18("5","8","9","1","6","4","1") = "8"
    & skf18("5","8","9","1","6","5","1") = "8"
    & skf18("5","8","9","1","6","6","1") = "8"
    & skf18("5","8","9","1","6","7","1") = "8"
    & skf18("5","8","9","1","6","8","1") = "8"
    & skf18("5","8","9","1","6","9","1") = "8"
    & skf18("5","8","9","1","6","10","1") = "9"
    & skf18("5","8","9","1","7","1","1") = "8"
    & skf18("5","8","9","1","7","2","1") = "8"
    & skf18("5","8","9","1","7","3","1") = "8"
    & skf18("5","8","9","1","7","4","1") = "8"
    & skf18("5","8","9","1","7","5","1") = "8"
    & skf18("5","8","9","1","7","6","1") = "8"
    & skf18("5","8","9","1","7","7","1") = "8"
    & skf18("5","8","9","1","7","8","1") = "8"
    & skf18("5","8","9","1","7","9","1") = "8"
    & skf18("5","8","9","1","7","10","1") = "9"
    & skf18("5","8","9","1","8","1","1") = "8"
    & skf18("5","8","9","1","8","2","1") = "8"
    & skf18("5","8","9","1","8","3","1") = "8"
    & skf18("5","8","9","1","8","4","1") = "8"
    & skf18("5","8","9","1","8","5","1") = "8"
    & skf18("5","8","9","1","8","6","1") = "8"
    & skf18("5","8","9","1","8","7","1") = "8"
    & skf18("5","8","9","1","8","8","1") = "8"
    & skf18("5","8","9","1","8","9","1") = "8"
    & skf18("5","8","9","1","8","10","1") = "9"
    & skf18("5","8","9","1","9","1","1") = "8"
    & skf18("5","8","9","1","9","2","1") = "8"
    & skf18("5","8","9","1","9","3","1") = "8"
    & skf18("5","8","9","1","9","4","1") = "8"
    & skf18("5","8","9","1","9","5","1") = "8"
    & skf18("5","8","9","1","9","6","1") = "8"
    & skf18("5","8","9","1","9","7","1") = "8"
    & skf18("5","8","9","1","9","8","1") = "8"
    & skf18("5","8","9","1","9","9","1") = "8"
    & skf18("5","8","9","1","9","10","1") = "9"
    & skf18("5","8","9","1","10","1","1") = "9"
    & skf18("5","8","9","1","10","2","1") = "9"
    & skf18("5","8","9","1","10","3","1") = "9"
    & skf18("5","8","9","1","10","4","1") = "9"
    & skf18("5","8","9","1","10","5","1") = "9"
    & skf18("5","8","9","1","10","6","1") = "9"
    & skf18("5","8","9","1","10","7","1") = "9"
    & skf18("5","8","9","1","10","8","1") = "9"
    & skf18("5","8","9","1","10","9","1") = "9"
    & skf18("5","8","9","1","10","10","1") = "9"
    & skf18("5","8","9","2","1","1","1") = "8"
    & skf18("5","8","9","2","1","2","1") = "8"
    & skf18("5","8","9","2","1","3","1") = "8"
    & skf18("5","8","9","2","1","4","1") = "8"
    & skf18("5","8","9","2","1","5","1") = "8"
    & skf18("5","8","9","2","1","6","1") = "8"
    & skf18("5","8","9","2","1","7","1") = "8"
    & skf18("5","8","9","2","1","8","1") = "8"
    & skf18("5","8","9","2","1","9","1") = "8"
    & skf18("5","8","9","2","1","10","1") = "9"
    & skf18("5","8","9","2","2","1","1") = "8"
    & skf18("5","8","9","2","2","2","1") = "8"
    & skf18("5","8","9","2","2","3","1") = "8"
    & skf18("5","8","9","2","2","4","1") = "8"
    & skf18("5","8","9","2","2","5","1") = "8"
    & skf18("5","8","9","2","2","6","1") = "8"
    & skf18("5","8","9","2","2","7","1") = "8"
    & skf18("5","8","9","2","2","8","1") = "8"
    & skf18("5","8","9","2","2","9","1") = "8"
    & skf18("5","8","9","2","2","10","1") = "9"
    & skf18("5","8","9","2","3","1","1") = "8"
    & skf18("5","8","9","2","3","2","1") = "8"
    & skf18("5","8","9","2","3","3","1") = "8"
    & skf18("5","8","9","2","3","4","1") = "8"
    & skf18("5","8","9","2","3","5","1") = "8"
    & skf18("5","8","9","2","3","6","1") = "8"
    & skf18("5","8","9","2","3","7","1") = "8"
    & skf18("5","8","9","2","3","8","1") = "8"
    & skf18("5","8","9","2","3","9","1") = "8"
    & skf18("5","8","9","2","3","10","1") = "9"
    & skf18("5","8","9","2","4","1","1") = "8"
    & skf18("5","8","9","2","4","2","1") = "8"
    & skf18("5","8","9","2","4","3","1") = "8"
    & skf18("5","8","9","2","4","4","1") = "8"
    & skf18("5","8","9","2","4","5","1") = "8"
    & skf18("5","8","9","2","4","6","1") = "8"
    & skf18("5","8","9","2","4","7","1") = "8"
    & skf18("5","8","9","2","4","8","1") = "8"
    & skf18("5","8","9","2","4","9","1") = "8"
    & skf18("5","8","9","2","4","10","1") = "9"
    & skf18("5","8","9","2","5","1","1") = "8"
    & skf18("5","8","9","2","5","2","1") = "8"
    & skf18("5","8","9","2","5","3","1") = "8"
    & skf18("5","8","9","2","5","4","1") = "8"
    & skf18("5","8","9","2","5","5","1") = "8"
    & skf18("5","8","9","2","5","6","1") = "8"
    & skf18("5","8","9","2","5","7","1") = "8"
    & skf18("5","8","9","2","5","8","1") = "8"
    & skf18("5","8","9","2","5","9","1") = "8"
    & skf18("5","8","9","2","5","10","1") = "9"
    & skf18("5","8","9","2","6","1","1") = "8"
    & skf18("5","8","9","2","6","2","1") = "8"
    & skf18("5","8","9","2","6","3","1") = "8"
    & skf18("5","8","9","2","6","4","1") = "8"
    & skf18("5","8","9","2","6","5","1") = "8"
    & skf18("5","8","9","2","6","6","1") = "8"
    & skf18("5","8","9","2","6","7","1") = "8"
    & skf18("5","8","9","2","6","8","1") = "8"
    & skf18("5","8","9","2","6","9","1") = "8"
    & skf18("5","8","9","2","6","10","1") = "9"
    & skf18("5","8","9","2","7","1","1") = "8"
    & skf18("5","8","9","2","7","2","1") = "8"
    & skf18("5","8","9","2","7","3","1") = "8"
    & skf18("5","8","9","2","7","4","1") = "8"
    & skf18("5","8","9","2","7","5","1") = "8"
    & skf18("5","8","9","2","7","6","1") = "8"
    & skf18("5","8","9","2","7","7","1") = "8"
    & skf18("5","8","9","2","7","8","1") = "8"
    & skf18("5","8","9","2","7","9","1") = "8"
    & skf18("5","8","9","2","7","10","1") = "9"
    & skf18("5","8","9","2","8","1","1") = "8"
    & skf18("5","8","9","2","8","2","1") = "8"
    & skf18("5","8","9","2","8","3","1") = "8"
    & skf18("5","8","9","2","8","4","1") = "8"
    & skf18("5","8","9","2","8","5","1") = "8"
    & skf18("5","8","9","2","8","6","1") = "8"
    & skf18("5","8","9","2","8","7","1") = "8"
    & skf18("5","8","9","2","8","8","1") = "8"
    & skf18("5","8","9","2","8","9","1") = "8"
    & skf18("5","8","9","2","8","10","1") = "9"
    & skf18("5","8","9","2","9","1","1") = "8"
    & skf18("5","8","9","2","9","2","1") = "8"
    & skf18("5","8","9","2","9","3","1") = "8"
    & skf18("5","8","9","2","9","4","1") = "8"
    & skf18("5","8","9","2","9","5","1") = "8"
    & skf18("5","8","9","2","9","6","1") = "8"
    & skf18("5","8","9","2","9","7","1") = "8"
    & skf18("5","8","9","2","9","8","1") = "8"
    & skf18("5","8","9","2","9","9","1") = "8"
    & skf18("5","8","9","2","9","10","1") = "9"
    & skf18("5","8","9","2","10","1","1") = "9"
    & skf18("5","8","9","2","10","2","1") = "9"
    & skf18("5","8","9","2","10","3","1") = "9"
    & skf18("5","8","9","2","10","4","1") = "9"
    & skf18("5","8","9","2","10","5","1") = "9"
    & skf18("5","8","9","2","10","6","1") = "9"
    & skf18("5","8","9","2","10","7","1") = "9"
    & skf18("5","8","9","2","10","8","1") = "9"
    & skf18("5","8","9","2","10","9","1") = "9"
    & skf18("5","8","9","2","10","10","1") = "9"
    & skf18("5","8","9","3","1","1","1") = "8"
    & skf18("5","8","9","3","1","2","1") = "8"
    & skf18("5","8","9","3","1","3","1") = "8"
    & skf18("5","8","9","3","1","4","1") = "8"
    & skf18("5","8","9","3","1","5","1") = "8"
    & skf18("5","8","9","3","1","6","1") = "8"
    & skf18("5","8","9","3","1","7","1") = "8"
    & skf18("5","8","9","3","1","8","1") = "8"
    & skf18("5","8","9","3","1","9","1") = "8"
    & skf18("5","8","9","3","1","10","1") = "9"
    & skf18("5","8","9","3","2","1","1") = "8"
    & skf18("5","8","9","3","2","2","1") = "8"
    & skf18("5","8","9","3","2","3","1") = "8"
    & skf18("5","8","9","3","2","4","1") = "8"
    & skf18("5","8","9","3","2","5","1") = "8"
    & skf18("5","8","9","3","2","6","1") = "8"
    & skf18("5","8","9","3","2","7","1") = "8"
    & skf18("5","8","9","3","2","8","1") = "8"
    & skf18("5","8","9","3","2","9","1") = "8"
    & skf18("5","8","9","3","2","10","1") = "9"
    & skf18("5","8","9","3","3","1","1") = "8"
    & skf18("5","8","9","3","3","2","1") = "8"
    & skf18("5","8","9","3","3","3","1") = "8"
    & skf18("5","8","9","3","3","4","1") = "8"
    & skf18("5","8","9","3","3","5","1") = "8"
    & skf18("5","8","9","3","3","6","1") = "8"
    & skf18("5","8","9","3","3","7","1") = "8"
    & skf18("5","8","9","3","3","8","1") = "8"
    & skf18("5","8","9","3","3","9","1") = "8"
    & skf18("5","8","9","3","3","10","1") = "9"
    & skf18("5","8","9","3","4","1","1") = "8"
    & skf18("5","8","9","3","4","2","1") = "8"
    & skf18("5","8","9","3","4","3","1") = "8"
    & skf18("5","8","9","3","4","4","1") = "8"
    & skf18("5","8","9","3","4","5","1") = "8"
    & skf18("5","8","9","3","4","6","1") = "8"
    & skf18("5","8","9","3","4","7","1") = "8"
    & skf18("5","8","9","3","4","8","1") = "8"
    & skf18("5","8","9","3","4","9","1") = "8"
    & skf18("5","8","9","3","4","10","1") = "9"
    & skf18("5","8","9","3","5","1","1") = "8"
    & skf18("5","8","9","3","5","2","1") = "8"
    & skf18("5","8","9","3","5","3","1") = "8"
    & skf18("5","8","9","3","5","4","1") = "8"
    & skf18("5","8","9","3","5","5","1") = "8"
    & skf18("5","8","9","3","5","6","1") = "8"
    & skf18("5","8","9","3","5","7","1") = "8"
    & skf18("5","8","9","3","5","8","1") = "8"
    & skf18("5","8","9","3","5","9","1") = "8"
    & skf18("5","8","9","3","5","10","1") = "9"
    & skf18("5","8","9","3","6","1","1") = "8"
    & skf18("5","8","9","3","6","2","1") = "8"
    & skf18("5","8","9","3","6","3","1") = "8"
    & skf18("5","8","9","3","6","4","1") = "8"
    & skf18("5","8","9","3","6","5","1") = "8"
    & skf18("5","8","9","3","6","6","1") = "8"
    & skf18("5","8","9","3","6","7","1") = "8"
    & skf18("5","8","9","3","6","8","1") = "8"
    & skf18("5","8","9","3","6","9","1") = "8"
    & skf18("5","8","9","3","6","10","1") = "9"
    & skf18("5","8","9","3","7","1","1") = "8"
    & skf18("5","8","9","3","7","2","1") = "8"
    & skf18("5","8","9","3","7","3","1") = "8"
    & skf18("5","8","9","3","7","4","1") = "8"
    & skf18("5","8","9","3","7","5","1") = "8"
    & skf18("5","8","9","3","7","6","1") = "8"
    & skf18("5","8","9","3","7","7","1") = "8"
    & skf18("5","8","9","3","7","8","1") = "8"
    & skf18("5","8","9","3","7","9","1") = "8"
    & skf18("5","8","9","3","7","10","1") = "9"
    & skf18("5","8","9","3","8","1","1") = "8"
    & skf18("5","8","9","3","8","2","1") = "8"
    & skf18("5","8","9","3","8","3","1") = "8"
    & skf18("5","8","9","3","8","4","1") = "8"
    & skf18("5","8","9","3","8","5","1") = "8"
    & skf18("5","8","9","3","8","6","1") = "8"
    & skf18("5","8","9","3","8","7","1") = "8"
    & skf18("5","8","9","3","8","8","1") = "8"
    & skf18("5","8","9","3","8","9","1") = "8"
    & skf18("5","8","9","3","8","10","1") = "9"
    & skf18("5","8","9","3","9","1","1") = "8"
    & skf18("5","8","9","3","9","2","1") = "8"
    & skf18("5","8","9","3","9","3","1") = "8"
    & skf18("5","8","9","3","9","4","1") = "8"
    & skf18("5","8","9","3","9","5","1") = "8"
    & skf18("5","8","9","3","9","6","1") = "8"
    & skf18("5","8","9","3","9","7","1") = "8"
    & skf18("5","8","9","3","9","8","1") = "8"
    & skf18("5","8","9","3","9","9","1") = "8"
    & skf18("5","8","9","3","9","10","1") = "9"
    & skf18("5","8","9","3","10","1","1") = "9"
    & skf18("5","8","9","3","10","2","1") = "9"
    & skf18("5","8","9","3","10","3","1") = "9"
    & skf18("5","8","9","3","10","4","1") = "9"
    & skf18("5","8","9","3","10","5","1") = "9"
    & skf18("5","8","9","3","10","6","1") = "9"
    & skf18("5","8","9","3","10","7","1") = "9"
    & skf18("5","8","9","3","10","8","1") = "9"
    & skf18("5","8","9","3","10","9","1") = "9"
    & skf18("5","8","9","3","10","10","1") = "9"
    & skf18("5","8","9","4","1","1","1") = "8"
    & skf18("5","8","9","4","1","2","1") = "8"
    & skf18("5","8","9","4","1","3","1") = "8"
    & skf18("5","8","9","4","1","4","1") = "8"
    & skf18("5","8","9","4","1","5","1") = "8"
    & skf18("5","8","9","4","1","6","1") = "8"
    & skf18("5","8","9","4","1","7","1") = "8"
    & skf18("5","8","9","4","1","8","1") = "8"
    & skf18("5","8","9","4","1","9","1") = "8"
    & skf18("5","8","9","4","1","10","1") = "9"
    & skf18("5","8","9","4","2","1","1") = "8"
    & skf18("5","8","9","4","2","2","1") = "8"
    & skf18("5","8","9","4","2","3","1") = "8"
    & skf18("5","8","9","4","2","4","1") = "8"
    & skf18("5","8","9","4","2","5","1") = "8"
    & skf18("5","8","9","4","2","6","1") = "8"
    & skf18("5","8","9","4","2","7","1") = "8"
    & skf18("5","8","9","4","2","8","1") = "8"
    & skf18("5","8","9","4","2","9","1") = "8"
    & skf18("5","8","9","4","2","10","1") = "9"
    & skf18("5","8","9","4","3","1","1") = "8"
    & skf18("5","8","9","4","3","2","1") = "8"
    & skf18("5","8","9","4","3","3","1") = "8"
    & skf18("5","8","9","4","3","4","1") = "8"
    & skf18("5","8","9","4","3","5","1") = "8"
    & skf18("5","8","9","4","3","6","1") = "8"
    & skf18("5","8","9","4","3","7","1") = "8"
    & skf18("5","8","9","4","3","8","1") = "8"
    & skf18("5","8","9","4","3","9","1") = "8"
    & skf18("5","8","9","4","3","10","1") = "9"
    & skf18("5","8","9","4","4","1","1") = "8"
    & skf18("5","8","9","4","4","2","1") = "8"
    & skf18("5","8","9","4","4","3","1") = "8"
    & skf18("5","8","9","4","4","4","1") = "8"
    & skf18("5","8","9","4","4","5","1") = "8"
    & skf18("5","8","9","4","4","6","1") = "8"
    & skf18("5","8","9","4","4","7","1") = "8"
    & skf18("5","8","9","4","4","8","1") = "8"
    & skf18("5","8","9","4","4","9","1") = "8"
    & skf18("5","8","9","4","4","10","1") = "9"
    & skf18("5","8","9","4","5","1","1") = "8"
    & skf18("5","8","9","4","5","2","1") = "8"
    & skf18("5","8","9","4","5","3","1") = "8"
    & skf18("5","8","9","4","5","4","1") = "8"
    & skf18("5","8","9","4","5","5","1") = "8"
    & skf18("5","8","9","4","5","6","1") = "8"
    & skf18("5","8","9","4","5","7","1") = "8"
    & skf18("5","8","9","4","5","8","1") = "8"
    & skf18("5","8","9","4","5","9","1") = "8"
    & skf18("5","8","9","4","5","10","1") = "9"
    & skf18("5","8","9","4","6","1","1") = "8"
    & skf18("5","8","9","4","6","2","1") = "8"
    & skf18("5","8","9","4","6","3","1") = "8"
    & skf18("5","8","9","4","6","4","1") = "8"
    & skf18("5","8","9","4","6","5","1") = "8"
    & skf18("5","8","9","4","6","6","1") = "8"
    & skf18("5","8","9","4","6","7","1") = "8"
    & skf18("5","8","9","4","6","8","1") = "8"
    & skf18("5","8","9","4","6","9","1") = "8"
    & skf18("5","8","9","4","6","10","1") = "9"
    & skf18("5","8","9","4","7","1","1") = "8"
    & skf18("5","8","9","4","7","2","1") = "8"
    & skf18("5","8","9","4","7","3","1") = "8"
    & skf18("5","8","9","4","7","4","1") = "8"
    & skf18("5","8","9","4","7","5","1") = "8"
    & skf18("5","8","9","4","7","6","1") = "8"
    & skf18("5","8","9","4","7","7","1") = "8"
    & skf18("5","8","9","4","7","8","1") = "8"
    & skf18("5","8","9","4","7","9","1") = "8"
    & skf18("5","8","9","4","7","10","1") = "9"
    & skf18("5","8","9","4","8","1","1") = "8"
    & skf18("5","8","9","4","8","2","1") = "8"
    & skf18("5","8","9","4","8","3","1") = "8"
    & skf18("5","8","9","4","8","4","1") = "8"
    & skf18("5","8","9","4","8","5","1") = "8"
    & skf18("5","8","9","4","8","6","1") = "8"
    & skf18("5","8","9","4","8","7","1") = "8"
    & skf18("5","8","9","4","8","8","1") = "8"
    & skf18("5","8","9","4","8","9","1") = "8"
    & skf18("5","8","9","4","8","10","1") = "9"
    & skf18("5","8","9","4","9","1","1") = "8"
    & skf18("5","8","9","4","9","2","1") = "8"
    & skf18("5","8","9","4","9","3","1") = "8"
    & skf18("5","8","9","4","9","4","1") = "8"
    & skf18("5","8","9","4","9","5","1") = "8"
    & skf18("5","8","9","4","9","6","1") = "8"
    & skf18("5","8","9","4","9","7","1") = "8"
    & skf18("5","8","9","4","9","8","1") = "8"
    & skf18("5","8","9","4","9","9","1") = "8"
    & skf18("5","8","9","4","9","10","1") = "9"
    & skf18("5","8","9","4","10","1","1") = "9"
    & skf18("5","8","9","4","10","2","1") = "9"
    & skf18("5","8","9","4","10","3","1") = "9"
    & skf18("5","8","9","4","10","4","1") = "9"
    & skf18("5","8","9","4","10","5","1") = "9"
    & skf18("5","8","9","4","10","6","1") = "9"
    & skf18("5","8","9","4","10","7","1") = "9"
    & skf18("5","8","9","4","10","8","1") = "9"
    & skf18("5","8","9","4","10","9","1") = "9"
    & skf18("5","8","9","4","10","10","1") = "9"
    & skf18("5","8","9","5","1","1","1") = "8"
    & skf18("5","8","9","5","1","2","1") = "8"
    & skf18("5","8","9","5","1","3","1") = "8"
    & skf18("5","8","9","5","1","4","1") = "8"
    & skf18("5","8","9","5","1","5","1") = "8"
    & skf18("5","8","9","5","1","6","1") = "8"
    & skf18("5","8","9","5","1","7","1") = "8"
    & skf18("5","8","9","5","1","8","1") = "8"
    & skf18("5","8","9","5","1","9","1") = "8"
    & skf18("5","8","9","5","1","10","1") = "9"
    & skf18("5","8","9","5","2","1","1") = "8"
    & skf18("5","8","9","5","2","2","1") = "8"
    & skf18("5","8","9","5","2","3","1") = "8"
    & skf18("5","8","9","5","2","4","1") = "8"
    & skf18("5","8","9","5","2","5","1") = "8"
    & skf18("5","8","9","5","2","6","1") = "8"
    & skf18("5","8","9","5","2","7","1") = "8"
    & skf18("5","8","9","5","2","8","1") = "8"
    & skf18("5","8","9","5","2","9","1") = "8"
    & skf18("5","8","9","5","2","10","1") = "9"
    & skf18("5","8","9","5","3","1","1") = "8"
    & skf18("5","8","9","5","3","2","1") = "8"
    & skf18("5","8","9","5","3","3","1") = "8"
    & skf18("5","8","9","5","3","4","1") = "8"
    & skf18("5","8","9","5","3","5","1") = "8"
    & skf18("5","8","9","5","3","6","1") = "8"
    & skf18("5","8","9","5","3","7","1") = "8"
    & skf18("5","8","9","5","3","8","1") = "8"
    & skf18("5","8","9","5","3","9","1") = "8"
    & skf18("5","8","9","5","3","10","1") = "9"
    & skf18("5","8","9","5","4","1","1") = "8"
    & skf18("5","8","9","5","4","2","1") = "8"
    & skf18("5","8","9","5","4","3","1") = "8"
    & skf18("5","8","9","5","4","4","1") = "8"
    & skf18("5","8","9","5","4","5","1") = "8"
    & skf18("5","8","9","5","4","6","1") = "8"
    & skf18("5","8","9","5","4","7","1") = "8"
    & skf18("5","8","9","5","4","8","1") = "8"
    & skf18("5","8","9","5","4","9","1") = "8"
    & skf18("5","8","9","5","4","10","1") = "9"
    & skf18("5","8","9","5","5","1","1") = "8"
    & skf18("5","8","9","5","5","2","1") = "8"
    & skf18("5","8","9","5","5","3","1") = "8"
    & skf18("5","8","9","5","5","4","1") = "8"
    & skf18("5","8","9","5","5","5","1") = "8"
    & skf18("5","8","9","5","5","6","1") = "8"
    & skf18("5","8","9","5","5","7","1") = "8"
    & skf18("5","8","9","5","5","8","1") = "8"
    & skf18("5","8","9","5","5","9","1") = "8"
    & skf18("5","8","9","5","5","10","1") = "9"
    & skf18("5","8","9","5","6","1","1") = "8"
    & skf18("5","8","9","5","6","2","1") = "8"
    & skf18("5","8","9","5","6","3","1") = "8"
    & skf18("5","8","9","5","6","4","1") = "8"
    & skf18("5","8","9","5","6","5","1") = "8"
    & skf18("5","8","9","5","6","6","1") = "8"
    & skf18("5","8","9","5","6","7","1") = "8"
    & skf18("5","8","9","5","6","8","1") = "8"
    & skf18("5","8","9","5","6","9","1") = "8"
    & skf18("5","8","9","5","6","10","1") = "9"
    & skf18("5","8","9","5","7","1","1") = "8"
    & skf18("5","8","9","5","7","2","1") = "8"
    & skf18("5","8","9","5","7","3","1") = "8"
    & skf18("5","8","9","5","7","4","1") = "8"
    & skf18("5","8","9","5","7","5","1") = "8"
    & skf18("5","8","9","5","7","6","1") = "8"
    & skf18("5","8","9","5","7","7","1") = "8"
    & skf18("5","8","9","5","7","8","1") = "8"
    & skf18("5","8","9","5","7","9","1") = "8"
    & skf18("5","8","9","5","7","10","1") = "9"
    & skf18("5","8","9","5","8","1","1") = "8"
    & skf18("5","8","9","5","8","2","1") = "8"
    & skf18("5","8","9","5","8","3","1") = "8"
    & skf18("5","8","9","5","8","4","1") = "8"
    & skf18("5","8","9","5","8","5","1") = "8"
    & skf18("5","8","9","5","8","6","1") = "8"
    & skf18("5","8","9","5","8","7","1") = "8"
    & skf18("5","8","9","5","8","8","1") = "8"
    & skf18("5","8","9","5","8","9","1") = "8"
    & skf18("5","8","9","5","8","10","1") = "9"
    & skf18("5","8","9","5","9","1","1") = "8"
    & skf18("5","8","9","5","9","2","1") = "8"
    & skf18("5","8","9","5","9","3","1") = "8"
    & skf18("5","8","9","5","9","4","1") = "8"
    & skf18("5","8","9","5","9","5","1") = "8"
    & skf18("5","8","9","5","9","6","1") = "8"
    & skf18("5","8","9","5","9","7","1") = "8"
    & skf18("5","8","9","5","9","8","1") = "8"
    & skf18("5","8","9","5","9","9","1") = "8"
    & skf18("5","8","9","5","9","10","1") = "9"
    & skf18("5","8","9","5","10","1","1") = "9"
    & skf18("5","8","9","5","10","2","1") = "9"
    & skf18("5","8","9","5","10","3","1") = "9"
    & skf18("5","8","9","5","10","4","1") = "9"
    & skf18("5","8","9","5","10","5","1") = "9"
    & skf18("5","8","9","5","10","6","1") = "9"
    & skf18("5","8","9","5","10","7","1") = "9"
    & skf18("5","8","9","5","10","8","1") = "9"
    & skf18("5","8","9","5","10","9","1") = "9"
    & skf18("5","8","9","5","10","10","1") = "9"
    & skf18("5","8","9","6","1","1","1") = "8"
    & skf18("5","8","9","6","1","2","1") = "8"
    & skf18("5","8","9","6","1","3","1") = "8"
    & skf18("5","8","9","6","1","4","1") = "8"
    & skf18("5","8","9","6","1","5","1") = "8"
    & skf18("5","8","9","6","1","6","1") = "8"
    & skf18("5","8","9","6","1","7","1") = "8"
    & skf18("5","8","9","6","1","8","1") = "8"
    & skf18("5","8","9","6","1","9","1") = "8"
    & skf18("5","8","9","6","1","10","1") = "9"
    & skf18("5","8","9","6","2","1","1") = "8"
    & skf18("5","8","9","6","2","2","1") = "8"
    & skf18("5","8","9","6","2","3","1") = "8"
    & skf18("5","8","9","6","2","4","1") = "8"
    & skf18("5","8","9","6","2","5","1") = "8"
    & skf18("5","8","9","6","2","6","1") = "8"
    & skf18("5","8","9","6","2","7","1") = "8"
    & skf18("5","8","9","6","2","8","1") = "8"
    & skf18("5","8","9","6","2","9","1") = "8"
    & skf18("5","8","9","6","2","10","1") = "9"
    & skf18("5","8","9","6","3","1","1") = "8"
    & skf18("5","8","9","6","3","2","1") = "8"
    & skf18("5","8","9","6","3","3","1") = "8"
    & skf18("5","8","9","6","3","4","1") = "8"
    & skf18("5","8","9","6","3","5","1") = "8"
    & skf18("5","8","9","6","3","6","1") = "8"
    & skf18("5","8","9","6","3","7","1") = "8"
    & skf18("5","8","9","6","3","8","1") = "8"
    & skf18("5","8","9","6","3","9","1") = "8"
    & skf18("5","8","9","6","3","10","1") = "9"
    & skf18("5","8","9","6","4","1","1") = "8"
    & skf18("5","8","9","6","4","2","1") = "8"
    & skf18("5","8","9","6","4","3","1") = "8"
    & skf18("5","8","9","6","4","4","1") = "8"
    & skf18("5","8","9","6","4","5","1") = "8"
    & skf18("5","8","9","6","4","6","1") = "8"
    & skf18("5","8","9","6","4","7","1") = "8"
    & skf18("5","8","9","6","4","8","1") = "8"
    & skf18("5","8","9","6","4","9","1") = "8"
    & skf18("5","8","9","6","4","10","1") = "9"
    & skf18("5","8","9","6","5","1","1") = "8"
    & skf18("5","8","9","6","5","2","1") = "8"
    & skf18("5","8","9","6","5","3","1") = "8"
    & skf18("5","8","9","6","5","4","1") = "8"
    & skf18("5","8","9","6","5","5","1") = "8"
    & skf18("5","8","9","6","5","6","1") = "8"
    & skf18("5","8","9","6","5","7","1") = "8"
    & skf18("5","8","9","6","5","8","1") = "8"
    & skf18("5","8","9","6","5","9","1") = "8"
    & skf18("5","8","9","6","5","10","1") = "9"
    & skf18("5","8","9","6","6","1","1") = "8"
    & skf18("5","8","9","6","6","2","1") = "8"
    & skf18("5","8","9","6","6","3","1") = "8"
    & skf18("5","8","9","6","6","4","1") = "8"
    & skf18("5","8","9","6","6","5","1") = "8"
    & skf18("5","8","9","6","6","6","1") = "8"
    & skf18("5","8","9","6","6","7","1") = "8"
    & skf18("5","8","9","6","6","8","1") = "8"
    & skf18("5","8","9","6","6","9","1") = "8"
    & skf18("5","8","9","6","6","10","1") = "9"
    & skf18("5","8","9","6","7","1","1") = "8"
    & skf18("5","8","9","6","7","2","1") = "8"
    & skf18("5","8","9","6","7","3","1") = "8"
    & skf18("5","8","9","6","7","4","1") = "8"
    & skf18("5","8","9","6","7","5","1") = "8"
    & skf18("5","8","9","6","7","6","1") = "8"
    & skf18("5","8","9","6","7","7","1") = "8"
    & skf18("5","8","9","6","7","8","1") = "8"
    & skf18("5","8","9","6","7","9","1") = "8"
    & skf18("5","8","9","6","7","10","1") = "9"
    & skf18("5","8","9","6","8","1","1") = "8"
    & skf18("5","8","9","6","8","2","1") = "8"
    & skf18("5","8","9","6","8","3","1") = "8"
    & skf18("5","8","9","6","8","4","1") = "8"
    & skf18("5","8","9","6","8","5","1") = "8"
    & skf18("5","8","9","6","8","6","1") = "8"
    & skf18("5","8","9","6","8","7","1") = "8"
    & skf18("5","8","9","6","8","8","1") = "8"
    & skf18("5","8","9","6","8","9","1") = "8"
    & skf18("5","8","9","6","8","10","1") = "9"
    & skf18("5","8","9","6","9","1","1") = "8"
    & skf18("5","8","9","6","9","2","1") = "8"
    & skf18("5","8","9","6","9","3","1") = "8"
    & skf18("5","8","9","6","9","4","1") = "8"
    & skf18("5","8","9","6","9","5","1") = "8"
    & skf18("5","8","9","6","9","6","1") = "8"
    & skf18("5","8","9","6","9","7","1") = "8"
    & skf18("5","8","9","6","9","8","1") = "8"
    & skf18("5","8","9","6","9","9","1") = "8"
    & skf18("5","8","9","6","9","10","1") = "9"
    & skf18("5","8","9","6","10","1","1") = "9"
    & skf18("5","8","9","6","10","2","1") = "9"
    & skf18("5","8","9","6","10","3","1") = "9"
    & skf18("5","8","9","6","10","4","1") = "9"
    & skf18("5","8","9","6","10","5","1") = "9"
    & skf18("5","8","9","6","10","6","1") = "9"
    & skf18("5","8","9","6","10","7","1") = "9"
    & skf18("5","8","9","6","10","8","1") = "9"
    & skf18("5","8","9","6","10","9","1") = "9"
    & skf18("5","8","9","6","10","10","1") = "9"
    & skf18("5","8","9","7","1","1","1") = "8"
    & skf18("5","8","9","7","1","2","1") = "8"
    & skf18("5","8","9","7","1","3","1") = "8"
    & skf18("5","8","9","7","1","4","1") = "8"
    & skf18("5","8","9","7","1","5","1") = "8"
    & skf18("5","8","9","7","1","6","1") = "8"
    & skf18("5","8","9","7","1","7","1") = "8"
    & skf18("5","8","9","7","1","8","1") = "8"
    & skf18("5","8","9","7","1","9","1") = "8"
    & skf18("5","8","9","7","1","10","1") = "9"
    & skf18("5","8","9","7","2","1","1") = "8"
    & skf18("5","8","9","7","2","2","1") = "8"
    & skf18("5","8","9","7","2","3","1") = "8"
    & skf18("5","8","9","7","2","4","1") = "8"
    & skf18("5","8","9","7","2","5","1") = "8"
    & skf18("5","8","9","7","2","6","1") = "8"
    & skf18("5","8","9","7","2","7","1") = "8"
    & skf18("5","8","9","7","2","8","1") = "8"
    & skf18("5","8","9","7","2","9","1") = "8"
    & skf18("5","8","9","7","2","10","1") = "9"
    & skf18("5","8","9","7","3","1","1") = "8"
    & skf18("5","8","9","7","3","2","1") = "8"
    & skf18("5","8","9","7","3","3","1") = "8"
    & skf18("5","8","9","7","3","4","1") = "8"
    & skf18("5","8","9","7","3","5","1") = "8"
    & skf18("5","8","9","7","3","6","1") = "8"
    & skf18("5","8","9","7","3","7","1") = "8"
    & skf18("5","8","9","7","3","8","1") = "8"
    & skf18("5","8","9","7","3","9","1") = "8"
    & skf18("5","8","9","7","3","10","1") = "9"
    & skf18("5","8","9","7","4","1","1") = "8"
    & skf18("5","8","9","7","4","2","1") = "8"
    & skf18("5","8","9","7","4","3","1") = "8"
    & skf18("5","8","9","7","4","4","1") = "8"
    & skf18("5","8","9","7","4","5","1") = "8"
    & skf18("5","8","9","7","4","6","1") = "8"
    & skf18("5","8","9","7","4","7","1") = "8"
    & skf18("5","8","9","7","4","8","1") = "8"
    & skf18("5","8","9","7","4","9","1") = "8"
    & skf18("5","8","9","7","4","10","1") = "9"
    & skf18("5","8","9","7","5","1","1") = "8"
    & skf18("5","8","9","7","5","2","1") = "8"
    & skf18("5","8","9","7","5","3","1") = "8"
    & skf18("5","8","9","7","5","4","1") = "8"
    & skf18("5","8","9","7","5","5","1") = "8"
    & skf18("5","8","9","7","5","6","1") = "8"
    & skf18("5","8","9","7","5","7","1") = "8"
    & skf18("5","8","9","7","5","8","1") = "8"
    & skf18("5","8","9","7","5","9","1") = "8"
    & skf18("5","8","9","7","5","10","1") = "9"
    & skf18("5","8","9","7","6","1","1") = "8"
    & skf18("5","8","9","7","6","2","1") = "8"
    & skf18("5","8","9","7","6","3","1") = "8"
    & skf18("5","8","9","7","6","4","1") = "8"
    & skf18("5","8","9","7","6","5","1") = "8"
    & skf18("5","8","9","7","6","6","1") = "8"
    & skf18("5","8","9","7","6","7","1") = "8"
    & skf18("5","8","9","7","6","8","1") = "8"
    & skf18("5","8","9","7","6","9","1") = "8"
    & skf18("5","8","9","7","6","10","1") = "9"
    & skf18("5","8","9","7","7","1","1") = "8"
    & skf18("5","8","9","7","7","2","1") = "8"
    & skf18("5","8","9","7","7","3","1") = "8"
    & skf18("5","8","9","7","7","4","1") = "8"
    & skf18("5","8","9","7","7","5","1") = "8"
    & skf18("5","8","9","7","7","6","1") = "8"
    & skf18("5","8","9","7","7","7","1") = "8"
    & skf18("5","8","9","7","7","8","1") = "8"
    & skf18("5","8","9","7","7","9","1") = "8"
    & skf18("5","8","9","7","7","10","1") = "9"
    & skf18("5","8","9","7","8","1","1") = "8"
    & skf18("5","8","9","7","8","2","1") = "8"
    & skf18("5","8","9","7","8","3","1") = "8"
    & skf18("5","8","9","7","8","4","1") = "8"
    & skf18("5","8","9","7","8","5","1") = "8"
    & skf18("5","8","9","7","8","6","1") = "8"
    & skf18("5","8","9","7","8","7","1") = "8"
    & skf18("5","8","9","7","8","8","1") = "8"
    & skf18("5","8","9","7","8","9","1") = "8"
    & skf18("5","8","9","7","8","10","1") = "9"
    & skf18("5","8","9","7","9","1","1") = "8"
    & skf18("5","8","9","7","9","2","1") = "8"
    & skf18("5","8","9","7","9","3","1") = "8"
    & skf18("5","8","9","7","9","4","1") = "8"
    & skf18("5","8","9","7","9","5","1") = "8"
    & skf18("5","8","9","7","9","6","1") = "8"
    & skf18("5","8","9","7","9","7","1") = "8"
    & skf18("5","8","9","7","9","8","1") = "8"
    & skf18("5","8","9","7","9","9","1") = "8"
    & skf18("5","8","9","7","9","10","1") = "9"
    & skf18("5","8","9","7","10","1","1") = "9"
    & skf18("5","8","9","7","10","2","1") = "9"
    & skf18("5","8","9","7","10","3","1") = "9"
    & skf18("5","8","9","7","10","4","1") = "9"
    & skf18("5","8","9","7","10","5","1") = "9"
    & skf18("5","8","9","7","10","6","1") = "9"
    & skf18("5","8","9","7","10","7","1") = "9"
    & skf18("5","8","9","7","10","8","1") = "9"
    & skf18("5","8","9","7","10","9","1") = "9"
    & skf18("5","8","9","7","10","10","1") = "9"
    & skf18("5","8","9","8","1","1","1") = "8"
    & skf18("5","8","9","8","1","2","1") = "8"
    & skf18("5","8","9","8","1","3","1") = "8"
    & skf18("5","8","9","8","1","4","1") = "8"
    & skf18("5","8","9","8","1","5","1") = "8"
    & skf18("5","8","9","8","1","6","1") = "8"
    & skf18("5","8","9","8","1","7","1") = "8"
    & skf18("5","8","9","8","1","8","1") = "8"
    & skf18("5","8","9","8","1","9","1") = "8"
    & skf18("5","8","9","8","1","10","1") = "9"
    & skf18("5","8","9","8","2","1","1") = "8"
    & skf18("5","8","9","8","2","2","1") = "8"
    & skf18("5","8","9","8","2","3","1") = "8"
    & skf18("5","8","9","8","2","4","1") = "8"
    & skf18("5","8","9","8","2","5","1") = "8"
    & skf18("5","8","9","8","2","6","1") = "8"
    & skf18("5","8","9","8","2","7","1") = "8"
    & skf18("5","8","9","8","2","8","1") = "8"
    & skf18("5","8","9","8","2","9","1") = "8"
    & skf18("5","8","9","8","2","10","1") = "9"
    & skf18("5","8","9","8","3","1","1") = "8"
    & skf18("5","8","9","8","3","2","1") = "8"
    & skf18("5","8","9","8","3","3","1") = "8"
    & skf18("5","8","9","8","3","4","1") = "8"
    & skf18("5","8","9","8","3","5","1") = "8"
    & skf18("5","8","9","8","3","6","1") = "8"
    & skf18("5","8","9","8","3","7","1") = "8"
    & skf18("5","8","9","8","3","8","1") = "8"
    & skf18("5","8","9","8","3","9","1") = "8"
    & skf18("5","8","9","8","3","10","1") = "9"
    & skf18("5","8","9","8","4","1","1") = "8"
    & skf18("5","8","9","8","4","2","1") = "8"
    & skf18("5","8","9","8","4","3","1") = "8"
    & skf18("5","8","9","8","4","4","1") = "8"
    & skf18("5","8","9","8","4","5","1") = "8"
    & skf18("5","8","9","8","4","6","1") = "8"
    & skf18("5","8","9","8","4","7","1") = "8"
    & skf18("5","8","9","8","4","8","1") = "8"
    & skf18("5","8","9","8","4","9","1") = "8"
    & skf18("5","8","9","8","4","10","1") = "9"
    & skf18("5","8","9","8","5","1","1") = "8"
    & skf18("5","8","9","8","5","2","1") = "8"
    & skf18("5","8","9","8","5","3","1") = "8"
    & skf18("5","8","9","8","5","4","1") = "8"
    & skf18("5","8","9","8","5","5","1") = "8"
    & skf18("5","8","9","8","5","6","1") = "8"
    & skf18("5","8","9","8","5","7","1") = "8"
    & skf18("5","8","9","8","5","8","1") = "8"
    & skf18("5","8","9","8","5","9","1") = "8"
    & skf18("5","8","9","8","5","10","1") = "9"
    & skf18("5","8","9","8","6","1","1") = "8"
    & skf18("5","8","9","8","6","2","1") = "8"
    & skf18("5","8","9","8","6","3","1") = "8"
    & skf18("5","8","9","8","6","4","1") = "8"
    & skf18("5","8","9","8","6","5","1") = "8"
    & skf18("5","8","9","8","6","6","1") = "8"
    & skf18("5","8","9","8","6","7","1") = "8"
    & skf18("5","8","9","8","6","8","1") = "8"
    & skf18("5","8","9","8","6","9","1") = "8"
    & skf18("5","8","9","8","6","10","1") = "9"
    & skf18("5","8","9","8","7","1","1") = "8"
    & skf18("5","8","9","8","7","2","1") = "8"
    & skf18("5","8","9","8","7","3","1") = "8"
    & skf18("5","8","9","8","7","4","1") = "8"
    & skf18("5","8","9","8","7","5","1") = "8"
    & skf18("5","8","9","8","7","6","1") = "8"
    & skf18("5","8","9","8","7","7","1") = "8"
    & skf18("5","8","9","8","7","8","1") = "8"
    & skf18("5","8","9","8","7","9","1") = "8"
    & skf18("5","8","9","8","7","10","1") = "9"
    & skf18("5","8","9","8","8","1","1") = "8"
    & skf18("5","8","9","8","8","2","1") = "8"
    & skf18("5","8","9","8","8","3","1") = "8"
    & skf18("5","8","9","8","8","4","1") = "8"
    & skf18("5","8","9","8","8","5","1") = "8"
    & skf18("5","8","9","8","8","6","1") = "8"
    & skf18("5","8","9","8","8","7","1") = "8"
    & skf18("5","8","9","8","8","8","1") = "8"
    & skf18("5","8","9","8","8","9","1") = "8"
    & skf18("5","8","9","8","8","10","1") = "9"
    & skf18("5","8","9","8","9","1","1") = "8"
    & skf18("5","8","9","8","9","2","1") = "8"
    & skf18("5","8","9","8","9","3","1") = "8"
    & skf18("5","8","9","8","9","4","1") = "8"
    & skf18("5","8","9","8","9","5","1") = "8"
    & skf18("5","8","9","8","9","6","1") = "8"
    & skf18("5","8","9","8","9","7","1") = "8"
    & skf18("5","8","9","8","9","8","1") = "8"
    & skf18("5","8","9","8","9","9","1") = "8"
    & skf18("5","8","9","8","9","10","1") = "9"
    & skf18("5","8","9","8","10","1","1") = "9"
    & skf18("5","8","9","8","10","2","1") = "9"
    & skf18("5","8","9","8","10","3","1") = "9"
    & skf18("5","8","9","8","10","4","1") = "9"
    & skf18("5","8","9","8","10","5","1") = "9"
    & skf18("5","8","9","8","10","6","1") = "9"
    & skf18("5","8","9","8","10","7","1") = "9"
    & skf18("5","8","9","8","10","8","1") = "9"
    & skf18("5","8","9","8","10","9","1") = "9"
    & skf18("5","8","9","8","10","10","1") = "9"
    & skf18("5","8","9","9","1","1","1") = "8"
    & skf18("5","8","9","9","1","2","1") = "8"
    & skf18("5","8","9","9","1","3","1") = "8"
    & skf18("5","8","9","9","1","4","1") = "8"
    & skf18("5","8","9","9","1","5","1") = "8"
    & skf18("5","8","9","9","1","6","1") = "8"
    & skf18("5","8","9","9","1","7","1") = "8"
    & skf18("5","8","9","9","1","8","1") = "8"
    & skf18("5","8","9","9","1","9","1") = "8"
    & skf18("5","8","9","9","1","10","1") = "9"
    & skf18("5","8","9","9","2","1","1") = "8"
    & skf18("5","8","9","9","2","2","1") = "8"
    & skf18("5","8","9","9","2","3","1") = "8"
    & skf18("5","8","9","9","2","4","1") = "8"
    & skf18("5","8","9","9","2","5","1") = "8"
    & skf18("5","8","9","9","2","6","1") = "8"
    & skf18("5","8","9","9","2","7","1") = "8"
    & skf18("5","8","9","9","2","8","1") = "8"
    & skf18("5","8","9","9","2","9","1") = "8"
    & skf18("5","8","9","9","2","10","1") = "9"
    & skf18("5","8","9","9","3","1","1") = "8"
    & skf18("5","8","9","9","3","2","1") = "8"
    & skf18("5","8","9","9","3","3","1") = "8"
    & skf18("5","8","9","9","3","4","1") = "8"
    & skf18("5","8","9","9","3","5","1") = "8"
    & skf18("5","8","9","9","3","6","1") = "8"
    & skf18("5","8","9","9","3","7","1") = "8"
    & skf18("5","8","9","9","3","8","1") = "8"
    & skf18("5","8","9","9","3","9","1") = "8"
    & skf18("5","8","9","9","3","10","1") = "9"
    & skf18("5","8","9","9","4","1","1") = "8"
    & skf18("5","8","9","9","4","2","1") = "8"
    & skf18("5","8","9","9","4","3","1") = "8"
    & skf18("5","8","9","9","4","4","1") = "8"
    & skf18("5","8","9","9","4","5","1") = "8"
    & skf18("5","8","9","9","4","6","1") = "8"
    & skf18("5","8","9","9","4","7","1") = "8"
    & skf18("5","8","9","9","4","8","1") = "8"
    & skf18("5","8","9","9","4","9","1") = "8"
    & skf18("5","8","9","9","4","10","1") = "9"
    & skf18("5","8","9","9","5","1","1") = "8"
    & skf18("5","8","9","9","5","2","1") = "8"
    & skf18("5","8","9","9","5","3","1") = "8"
    & skf18("5","8","9","9","5","4","1") = "8"
    & skf18("5","8","9","9","5","5","1") = "8"
    & skf18("5","8","9","9","5","6","1") = "8"
    & skf18("5","8","9","9","5","7","1") = "8"
    & skf18("5","8","9","9","5","8","1") = "8"
    & skf18("5","8","9","9","5","9","1") = "8"
    & skf18("5","8","9","9","5","10","1") = "9"
    & skf18("5","8","9","9","6","1","1") = "8"
    & skf18("5","8","9","9","6","2","1") = "8"
    & skf18("5","8","9","9","6","3","1") = "8"
    & skf18("5","8","9","9","6","4","1") = "8"
    & skf18("5","8","9","9","6","5","1") = "8"
    & skf18("5","8","9","9","6","6","1") = "8"
    & skf18("5","8","9","9","6","7","1") = "8"
    & skf18("5","8","9","9","6","8","1") = "8"
    & skf18("5","8","9","9","6","9","1") = "8"
    & skf18("5","8","9","9","6","10","1") = "9"
    & skf18("5","8","9","9","7","1","1") = "8"
    & skf18("5","8","9","9","7","2","1") = "8"
    & skf18("5","8","9","9","7","3","1") = "8"
    & skf18("5","8","9","9","7","4","1") = "8"
    & skf18("5","8","9","9","7","5","1") = "8"
    & skf18("5","8","9","9","7","6","1") = "8"
    & skf18("5","8","9","9","7","7","1") = "8"
    & skf18("5","8","9","9","7","8","1") = "8"
    & skf18("5","8","9","9","7","9","1") = "8"
    & skf18("5","8","9","9","7","10","1") = "9"
    & skf18("5","8","9","9","8","1","1") = "8"
    & skf18("5","8","9","9","8","2","1") = "8"
    & skf18("5","8","9","9","8","3","1") = "8"
    & skf18("5","8","9","9","8","4","1") = "8"
    & skf18("5","8","9","9","8","5","1") = "8"
    & skf18("5","8","9","9","8","6","1") = "8"
    & skf18("5","8","9","9","8","7","1") = "8"
    & skf18("5","8","9","9","8","8","1") = "8"
    & skf18("5","8","9","9","8","9","1") = "8"
    & skf18("5","8","9","9","8","10","1") = "9"
    & skf18("5","8","9","9","9","1","1") = "8"
    & skf18("5","8","9","9","9","2","1") = "8"
    & skf18("5","8","9","9","9","3","1") = "8"
    & skf18("5","8","9","9","9","4","1") = "8"
    & skf18("5","8","9","9","9","5","1") = "8"
    & skf18("5","8","9","9","9","6","1") = "8"
    & skf18("5","8","9","9","9","7","1") = "8"
    & skf18("5","8","9","9","9","8","1") = "8"
    & skf18("5","8","9","9","9","9","1") = "8"
    & skf18("5","8","9","9","9","10","1") = "9"
    & skf18("5","8","9","9","10","1","1") = "9"
    & skf18("5","8","9","9","10","2","1") = "9"
    & skf18("5","8","9","9","10","3","1") = "9"
    & skf18("5","8","9","9","10","4","1") = "9"
    & skf18("5","8","9","9","10","5","1") = "9"
    & skf18("5","8","9","9","10","6","1") = "9"
    & skf18("5","8","9","9","10","7","1") = "9"
    & skf18("5","8","9","9","10","8","1") = "9"
    & skf18("5","8","9","9","10","9","1") = "9"
    & skf18("5","8","9","9","10","10","1") = "9"
    & skf18("5","8","9","10","1","1","1") = "9"
    & skf18("5","8","9","10","1","2","1") = "9"
    & skf18("5","8","9","10","1","3","1") = "9"
    & skf18("5","8","9","10","1","4","1") = "9"
    & skf18("5","8","9","10","1","5","1") = "9"
    & skf18("5","8","9","10","1","6","1") = "9"
    & skf18("5","8","9","10","1","7","1") = "9"
    & skf18("5","8","9","10","1","8","1") = "9"
    & skf18("5","8","9","10","1","9","1") = "9"
    & skf18("5","8","9","10","1","10","1") = "9"
    & skf18("5","8","9","10","2","1","1") = "9"
    & skf18("5","8","9","10","2","2","1") = "9"
    & skf18("5","8","9","10","2","3","1") = "9"
    & skf18("5","8","9","10","2","4","1") = "9"
    & skf18("5","8","9","10","2","5","1") = "9"
    & skf18("5","8","9","10","2","6","1") = "9"
    & skf18("5","8","9","10","2","7","1") = "9"
    & skf18("5","8","9","10","2","8","1") = "9"
    & skf18("5","8","9","10","2","9","1") = "9"
    & skf18("5","8","9","10","2","10","1") = "9"
    & skf18("5","8","9","10","3","1","1") = "9"
    & skf18("5","8","9","10","3","2","1") = "9"
    & skf18("5","8","9","10","3","3","1") = "9"
    & skf18("5","8","9","10","3","4","1") = "9"
    & skf18("5","8","9","10","3","5","1") = "9"
    & skf18("5","8","9","10","3","6","1") = "9"
    & skf18("5","8","9","10","3","7","1") = "9"
    & skf18("5","8","9","10","3","8","1") = "9"
    & skf18("5","8","9","10","3","9","1") = "9"
    & skf18("5","8","9","10","3","10","1") = "9"
    & skf18("5","8","9","10","4","1","1") = "9"
    & skf18("5","8","9","10","4","2","1") = "9"
    & skf18("5","8","9","10","4","3","1") = "9"
    & skf18("5","8","9","10","4","4","1") = "9"
    & skf18("5","8","9","10","4","5","1") = "9"
    & skf18("5","8","9","10","4","6","1") = "9"
    & skf18("5","8","9","10","4","7","1") = "9"
    & skf18("5","8","9","10","4","8","1") = "9"
    & skf18("5","8","9","10","4","9","1") = "9"
    & skf18("5","8","9","10","4","10","1") = "9"
    & skf18("5","8","9","10","5","1","1") = "9"
    & skf18("5","8","9","10","5","2","1") = "9"
    & skf18("5","8","9","10","5","3","1") = "9"
    & skf18("5","8","9","10","5","4","1") = "9"
    & skf18("5","8","9","10","5","5","1") = "9"
    & skf18("5","8","9","10","5","6","1") = "9"
    & skf18("5","8","9","10","5","7","1") = "9"
    & skf18("5","8","9","10","5","8","1") = "9"
    & skf18("5","8","9","10","5","9","1") = "9"
    & skf18("5","8","9","10","5","10","1") = "9"
    & skf18("5","8","9","10","6","1","1") = "9"
    & skf18("5","8","9","10","6","2","1") = "9"
    & skf18("5","8","9","10","6","3","1") = "9"
    & skf18("5","8","9","10","6","4","1") = "9"
    & skf18("5","8","9","10","6","5","1") = "9"
    & skf18("5","8","9","10","6","6","1") = "9"
    & skf18("5","8","9","10","6","7","1") = "9"
    & skf18("5","8","9","10","6","8","1") = "9"
    & skf18("5","8","9","10","6","9","1") = "9"
    & skf18("5","8","9","10","6","10","1") = "9"
    & skf18("5","8","9","10","7","1","1") = "9"
    & skf18("5","8","9","10","7","2","1") = "9"
    & skf18("5","8","9","10","7","3","1") = "9"
    & skf18("5","8","9","10","7","4","1") = "9"
    & skf18("5","8","9","10","7","5","1") = "9"
    & skf18("5","8","9","10","7","6","1") = "9"
    & skf18("5","8","9","10","7","7","1") = "9"
    & skf18("5","8","9","10","7","8","1") = "9"
    & skf18("5","8","9","10","7","9","1") = "9"
    & skf18("5","8","9","10","7","10","1") = "9"
    & skf18("5","8","9","10","8","1","1") = "9"
    & skf18("5","8","9","10","8","2","1") = "9"
    & skf18("5","8","9","10","8","3","1") = "9"
    & skf18("5","8","9","10","8","4","1") = "9"
    & skf18("5","8","9","10","8","5","1") = "9"
    & skf18("5","8","9","10","8","6","1") = "9"
    & skf18("5","8","9","10","8","7","1") = "9"
    & skf18("5","8","9","10","8","8","1") = "9"
    & skf18("5","8","9","10","8","9","1") = "9"
    & skf18("5","8","9","10","8","10","1") = "9"
    & skf18("5","8","9","10","9","1","1") = "9"
    & skf18("5","8","9","10","9","2","1") = "9"
    & skf18("5","8","9","10","9","3","1") = "9"
    & skf18("5","8","9","10","9","4","1") = "9"
    & skf18("5","8","9","10","9","5","1") = "9"
    & skf18("5","8","9","10","9","6","1") = "9"
    & skf18("5","8","9","10","9","7","1") = "9"
    & skf18("5","8","9","10","9","8","1") = "9"
    & skf18("5","8","9","10","9","9","1") = "9"
    & skf18("5","8","9","10","9","10","1") = "9"
    & skf18("5","8","9","10","10","1","1") = "9"
    & skf18("5","8","9","10","10","2","1") = "9"
    & skf18("5","8","9","10","10","3","1") = "9"
    & skf18("5","8","9","10","10","4","1") = "9"
    & skf18("5","8","9","10","10","5","1") = "9"
    & skf18("5","8","9","10","10","6","1") = "9"
    & skf18("5","8","9","10","10","7","1") = "9"
    & skf18("5","8","9","10","10","8","1") = "9"
    & skf18("5","8","9","10","10","9","1") = "9"
    & skf18("5","8","9","10","10","10","1") = "9"
    & skf18("5","8","10","1","1","1","1") = "9"
    & skf18("5","8","10","1","1","2","1") = "9"
    & skf18("5","8","10","1","1","3","1") = "9"
    & skf18("5","8","10","1","1","4","1") = "9"
    & skf18("5","8","10","1","1","5","1") = "9"
    & skf18("5","8","10","1","1","6","1") = "9"
    & skf18("5","8","10","1","1","7","1") = "9"
    & skf18("5","8","10","1","1","8","1") = "9"
    & skf18("5","8","10","1","1","9","1") = "9"
    & skf18("5","8","10","1","1","10","1") = "9"
    & skf18("5","8","10","1","2","1","1") = "9"
    & skf18("5","8","10","1","2","2","1") = "9"
    & skf18("5","8","10","1","2","3","1") = "9"
    & skf18("5","8","10","1","2","4","1") = "9"
    & skf18("5","8","10","1","2","5","1") = "9"
    & skf18("5","8","10","1","2","6","1") = "9"
    & skf18("5","8","10","1","2","7","1") = "9"
    & skf18("5","8","10","1","2","8","1") = "9"
    & skf18("5","8","10","1","2","9","1") = "9"
    & skf18("5","8","10","1","2","10","1") = "9"
    & skf18("5","8","10","1","3","1","1") = "9"
    & skf18("5","8","10","1","3","2","1") = "9"
    & skf18("5","8","10","1","3","3","1") = "9"
    & skf18("5","8","10","1","3","4","1") = "9"
    & skf18("5","8","10","1","3","5","1") = "9"
    & skf18("5","8","10","1","3","6","1") = "9"
    & skf18("5","8","10","1","3","7","1") = "9"
    & skf18("5","8","10","1","3","8","1") = "9"
    & skf18("5","8","10","1","3","9","1") = "9"
    & skf18("5","8","10","1","3","10","1") = "9"
    & skf18("5","8","10","1","4","1","1") = "9"
    & skf18("5","8","10","1","4","2","1") = "9"
    & skf18("5","8","10","1","4","3","1") = "9"
    & skf18("5","8","10","1","4","4","1") = "9"
    & skf18("5","8","10","1","4","5","1") = "9"
    & skf18("5","8","10","1","4","6","1") = "9"
    & skf18("5","8","10","1","4","7","1") = "9"
    & skf18("5","8","10","1","4","8","1") = "9"
    & skf18("5","8","10","1","4","9","1") = "9"
    & skf18("5","8","10","1","4","10","1") = "9"
    & skf18("5","8","10","1","5","1","1") = "9"
    & skf18("5","8","10","1","5","2","1") = "9"
    & skf18("5","8","10","1","5","3","1") = "9"
    & skf18("5","8","10","1","5","4","1") = "9"
    & skf18("5","8","10","1","5","5","1") = "9"
    & skf18("5","8","10","1","5","6","1") = "9"
    & skf18("5","8","10","1","5","7","1") = "9"
    & skf18("5","8","10","1","5","8","1") = "9"
    & skf18("5","8","10","1","5","9","1") = "9"
    & skf18("5","8","10","1","5","10","1") = "9"
    & skf18("5","8","10","1","6","1","1") = "9"
    & skf18("5","8","10","1","6","2","1") = "9"
    & skf18("5","8","10","1","6","3","1") = "9"
    & skf18("5","8","10","1","6","4","1") = "9"
    & skf18("5","8","10","1","6","5","1") = "9"
    & skf18("5","8","10","1","6","6","1") = "9"
    & skf18("5","8","10","1","6","7","1") = "9"
    & skf18("5","8","10","1","6","8","1") = "9"
    & skf18("5","8","10","1","6","9","1") = "9"
    & skf18("5","8","10","1","6","10","1") = "9"
    & skf18("5","8","10","1","7","1","1") = "9"
    & skf18("5","8","10","1","7","2","1") = "9"
    & skf18("5","8","10","1","7","3","1") = "9"
    & skf18("5","8","10","1","7","4","1") = "9"
    & skf18("5","8","10","1","7","5","1") = "9"
    & skf18("5","8","10","1","7","6","1") = "9"
    & skf18("5","8","10","1","7","7","1") = "9"
    & skf18("5","8","10","1","7","8","1") = "9"
    & skf18("5","8","10","1","7","9","1") = "9"
    & skf18("5","8","10","1","7","10","1") = "9"
    & skf18("5","8","10","1","8","1","1") = "9"
    & skf18("5","8","10","1","8","2","1") = "9"
    & skf18("5","8","10","1","8","3","1") = "9"
    & skf18("5","8","10","1","8","4","1") = "9"
    & skf18("5","8","10","1","8","5","1") = "9"
    & skf18("5","8","10","1","8","6","1") = "9"
    & skf18("5","8","10","1","8","7","1") = "9"
    & skf18("5","8","10","1","8","8","1") = "9"
    & skf18("5","8","10","1","8","9","1") = "9"
    & skf18("5","8","10","1","8","10","1") = "9"
    & skf18("5","8","10","1","9","1","1") = "9"
    & skf18("5","8","10","1","9","2","1") = "9"
    & skf18("5","8","10","1","9","3","1") = "9"
    & skf18("5","8","10","1","9","4","1") = "9"
    & skf18("5","8","10","1","9","5","1") = "9"
    & skf18("5","8","10","1","9","6","1") = "9"
    & skf18("5","8","10","1","9","7","1") = "9"
    & skf18("5","8","10","1","9","8","1") = "9"
    & skf18("5","8","10","1","9","9","1") = "9"
    & skf18("5","8","10","1","9","10","1") = "9"
    & skf18("5","8","10","1","10","1","1") = "9"
    & skf18("5","8","10","1","10","2","1") = "9"
    & skf18("5","8","10","1","10","3","1") = "9"
    & skf18("5","8","10","1","10","4","1") = "9"
    & skf18("5","8","10","1","10","5","1") = "9"
    & skf18("5","8","10","1","10","6","1") = "9"
    & skf18("5","8","10","1","10","7","1") = "9"
    & skf18("5","8","10","1","10","8","1") = "9"
    & skf18("5","8","10","1","10","9","1") = "9"
    & skf18("5","8","10","1","10","10","1") = "9"
    & skf18("5","8","10","2","1","1","1") = "9"
    & skf18("5","8","10","2","1","2","1") = "9"
    & skf18("5","8","10","2","1","3","1") = "9"
    & skf18("5","8","10","2","1","4","1") = "9"
    & skf18("5","8","10","2","1","5","1") = "9"
    & skf18("5","8","10","2","1","6","1") = "9"
    & skf18("5","8","10","2","1","7","1") = "9"
    & skf18("5","8","10","2","1","8","1") = "9"
    & skf18("5","8","10","2","1","9","1") = "9"
    & skf18("5","8","10","2","1","10","1") = "9"
    & skf18("5","8","10","2","2","1","1") = "9"
    & skf18("5","8","10","2","2","2","1") = "9"
    & skf18("5","8","10","2","2","3","1") = "9"
    & skf18("5","8","10","2","2","4","1") = "9"
    & skf18("5","8","10","2","2","5","1") = "9"
    & skf18("5","8","10","2","2","6","1") = "9"
    & skf18("5","8","10","2","2","7","1") = "9"
    & skf18("5","8","10","2","2","8","1") = "9"
    & skf18("5","8","10","2","2","9","1") = "9"
    & skf18("5","8","10","2","2","10","1") = "9"
    & skf18("5","8","10","2","3","1","1") = "9"
    & skf18("5","8","10","2","3","2","1") = "9"
    & skf18("5","8","10","2","3","3","1") = "9"
    & skf18("5","8","10","2","3","4","1") = "9"
    & skf18("5","8","10","2","3","5","1") = "9"
    & skf18("5","8","10","2","3","6","1") = "9"
    & skf18("5","8","10","2","3","7","1") = "9"
    & skf18("5","8","10","2","3","8","1") = "9"
    & skf18("5","8","10","2","3","9","1") = "9"
    & skf18("5","8","10","2","3","10","1") = "9"
    & skf18("5","8","10","2","4","1","1") = "9"
    & skf18("5","8","10","2","4","2","1") = "9"
    & skf18("5","8","10","2","4","3","1") = "9"
    & skf18("5","8","10","2","4","4","1") = "9"
    & skf18("5","8","10","2","4","5","1") = "9"
    & skf18("5","8","10","2","4","6","1") = "9"
    & skf18("5","8","10","2","4","7","1") = "9"
    & skf18("5","8","10","2","4","8","1") = "9"
    & skf18("5","8","10","2","4","9","1") = "9"
    & skf18("5","8","10","2","4","10","1") = "9"
    & skf18("5","8","10","2","5","1","1") = "9"
    & skf18("5","8","10","2","5","2","1") = "9"
    & skf18("5","8","10","2","5","3","1") = "9"
    & skf18("5","8","10","2","5","4","1") = "9"
    & skf18("5","8","10","2","5","5","1") = "9"
    & skf18("5","8","10","2","5","6","1") = "9"
    & skf18("5","8","10","2","5","7","1") = "9"
    & skf18("5","8","10","2","5","8","1") = "9"
    & skf18("5","8","10","2","5","9","1") = "9"
    & skf18("5","8","10","2","5","10","1") = "9"
    & skf18("5","8","10","2","6","1","1") = "9"
    & skf18("5","8","10","2","6","2","1") = "9"
    & skf18("5","8","10","2","6","3","1") = "9"
    & skf18("5","8","10","2","6","4","1") = "9"
    & skf18("5","8","10","2","6","5","1") = "9"
    & skf18("5","8","10","2","6","6","1") = "9"
    & skf18("5","8","10","2","6","7","1") = "9"
    & skf18("5","8","10","2","6","8","1") = "9"
    & skf18("5","8","10","2","6","9","1") = "9"
    & skf18("5","8","10","2","6","10","1") = "9"
    & skf18("5","8","10","2","7","1","1") = "9"
    & skf18("5","8","10","2","7","2","1") = "9"
    & skf18("5","8","10","2","7","3","1") = "9"
    & skf18("5","8","10","2","7","4","1") = "9"
    & skf18("5","8","10","2","7","5","1") = "9"
    & skf18("5","8","10","2","7","6","1") = "9"
    & skf18("5","8","10","2","7","7","1") = "9"
    & skf18("5","8","10","2","7","8","1") = "9"
    & skf18("5","8","10","2","7","9","1") = "9"
    & skf18("5","8","10","2","7","10","1") = "9"
    & skf18("5","8","10","2","8","1","1") = "9"
    & skf18("5","8","10","2","8","2","1") = "9"
    & skf18("5","8","10","2","8","3","1") = "9"
    & skf18("5","8","10","2","8","4","1") = "9"
    & skf18("5","8","10","2","8","5","1") = "9"
    & skf18("5","8","10","2","8","6","1") = "9"
    & skf18("5","8","10","2","8","7","1") = "9"
    & skf18("5","8","10","2","8","8","1") = "9"
    & skf18("5","8","10","2","8","9","1") = "9"
    & skf18("5","8","10","2","8","10","1") = "9"
    & skf18("5","8","10","2","9","1","1") = "9"
    & skf18("5","8","10","2","9","2","1") = "9"
    & skf18("5","8","10","2","9","3","1") = "9"
    & skf18("5","8","10","2","9","4","1") = "9"
    & skf18("5","8","10","2","9","5","1") = "9"
    & skf18("5","8","10","2","9","6","1") = "9"
    & skf18("5","8","10","2","9","7","1") = "9"
    & skf18("5","8","10","2","9","8","1") = "9"
    & skf18("5","8","10","2","9","9","1") = "9"
    & skf18("5","8","10","2","9","10","1") = "9"
    & skf18("5","8","10","2","10","1","1") = "9"
    & skf18("5","8","10","2","10","2","1") = "9"
    & skf18("5","8","10","2","10","3","1") = "9"
    & skf18("5","8","10","2","10","4","1") = "9"
    & skf18("5","8","10","2","10","5","1") = "9"
    & skf18("5","8","10","2","10","6","1") = "9"
    & skf18("5","8","10","2","10","7","1") = "9"
    & skf18("5","8","10","2","10","8","1") = "9"
    & skf18("5","8","10","2","10","9","1") = "9"
    & skf18("5","8","10","2","10","10","1") = "9"
    & skf18("5","8","10","3","1","1","1") = "9"
    & skf18("5","8","10","3","1","2","1") = "9"
    & skf18("5","8","10","3","1","3","1") = "9"
    & skf18("5","8","10","3","1","4","1") = "9"
    & skf18("5","8","10","3","1","5","1") = "9"
    & skf18("5","8","10","3","1","6","1") = "9"
    & skf18("5","8","10","3","1","7","1") = "9"
    & skf18("5","8","10","3","1","8","1") = "9"
    & skf18("5","8","10","3","1","9","1") = "9"
    & skf18("5","8","10","3","1","10","1") = "9"
    & skf18("5","8","10","3","2","1","1") = "9"
    & skf18("5","8","10","3","2","2","1") = "9"
    & skf18("5","8","10","3","2","3","1") = "9"
    & skf18("5","8","10","3","2","4","1") = "9"
    & skf18("5","8","10","3","2","5","1") = "9"
    & skf18("5","8","10","3","2","6","1") = "9"
    & skf18("5","8","10","3","2","7","1") = "9"
    & skf18("5","8","10","3","2","8","1") = "9"
    & skf18("5","8","10","3","2","9","1") = "9"
    & skf18("5","8","10","3","2","10","1") = "9"
    & skf18("5","8","10","3","3","1","1") = "9"
    & skf18("5","8","10","3","3","2","1") = "9"
    & skf18("5","8","10","3","3","3","1") = "9"
    & skf18("5","8","10","3","3","4","1") = "9"
    & skf18("5","8","10","3","3","5","1") = "9"
    & skf18("5","8","10","3","3","6","1") = "9"
    & skf18("5","8","10","3","3","7","1") = "9"
    & skf18("5","8","10","3","3","8","1") = "9"
    & skf18("5","8","10","3","3","9","1") = "9"
    & skf18("5","8","10","3","3","10","1") = "9"
    & skf18("5","8","10","3","4","1","1") = "9"
    & skf18("5","8","10","3","4","2","1") = "9"
    & skf18("5","8","10","3","4","3","1") = "9"
    & skf18("5","8","10","3","4","4","1") = "9"
    & skf18("5","8","10","3","4","5","1") = "9"
    & skf18("5","8","10","3","4","6","1") = "9"
    & skf18("5","8","10","3","4","7","1") = "9"
    & skf18("5","8","10","3","4","8","1") = "9"
    & skf18("5","8","10","3","4","9","1") = "9"
    & skf18("5","8","10","3","4","10","1") = "9"
    & skf18("5","8","10","3","5","1","1") = "9"
    & skf18("5","8","10","3","5","2","1") = "9"
    & skf18("5","8","10","3","5","3","1") = "9"
    & skf18("5","8","10","3","5","4","1") = "9"
    & skf18("5","8","10","3","5","5","1") = "9"
    & skf18("5","8","10","3","5","6","1") = "9"
    & skf18("5","8","10","3","5","7","1") = "9"
    & skf18("5","8","10","3","5","8","1") = "9"
    & skf18("5","8","10","3","5","9","1") = "9"
    & skf18("5","8","10","3","5","10","1") = "9"
    & skf18("5","8","10","3","6","1","1") = "9"
    & skf18("5","8","10","3","6","2","1") = "9"
    & skf18("5","8","10","3","6","3","1") = "9"
    & skf18("5","8","10","3","6","4","1") = "9"
    & skf18("5","8","10","3","6","5","1") = "9"
    & skf18("5","8","10","3","6","6","1") = "9"
    & skf18("5","8","10","3","6","7","1") = "9"
    & skf18("5","8","10","3","6","8","1") = "9"
    & skf18("5","8","10","3","6","9","1") = "9"
    & skf18("5","8","10","3","6","10","1") = "9"
    & skf18("5","8","10","3","7","1","1") = "9"
    & skf18("5","8","10","3","7","2","1") = "9"
    & skf18("5","8","10","3","7","3","1") = "9"
    & skf18("5","8","10","3","7","4","1") = "9"
    & skf18("5","8","10","3","7","5","1") = "9"
    & skf18("5","8","10","3","7","6","1") = "9"
    & skf18("5","8","10","3","7","7","1") = "9"
    & skf18("5","8","10","3","7","8","1") = "9"
    & skf18("5","8","10","3","7","9","1") = "9"
    & skf18("5","8","10","3","7","10","1") = "9"
    & skf18("5","8","10","3","8","1","1") = "9"
    & skf18("5","8","10","3","8","2","1") = "9"
    & skf18("5","8","10","3","8","3","1") = "9"
    & skf18("5","8","10","3","8","4","1") = "9"
    & skf18("5","8","10","3","8","5","1") = "9"
    & skf18("5","8","10","3","8","6","1") = "9"
    & skf18("5","8","10","3","8","7","1") = "9"
    & skf18("5","8","10","3","8","8","1") = "9"
    & skf18("5","8","10","3","8","9","1") = "9"
    & skf18("5","8","10","3","8","10","1") = "9"
    & skf18("5","8","10","3","9","1","1") = "9"
    & skf18("5","8","10","3","9","2","1") = "9"
    & skf18("5","8","10","3","9","3","1") = "9"
    & skf18("5","8","10","3","9","4","1") = "9"
    & skf18("5","8","10","3","9","5","1") = "9"
    & skf18("5","8","10","3","9","6","1") = "9"
    & skf18("5","8","10","3","9","7","1") = "9"
    & skf18("5","8","10","3","9","8","1") = "9"
    & skf18("5","8","10","3","9","9","1") = "9"
    & skf18("5","8","10","3","9","10","1") = "9"
    & skf18("5","8","10","3","10","1","1") = "9"
    & skf18("5","8","10","3","10","2","1") = "9"
    & skf18("5","8","10","3","10","3","1") = "9"
    & skf18("5","8","10","3","10","4","1") = "9"
    & skf18("5","8","10","3","10","5","1") = "9"
    & skf18("5","8","10","3","10","6","1") = "9"
    & skf18("5","8","10","3","10","7","1") = "9"
    & skf18("5","8","10","3","10","8","1") = "9"
    & skf18("5","8","10","3","10","9","1") = "9"
    & skf18("5","8","10","3","10","10","1") = "9"
    & skf18("5","8","10","4","1","1","1") = "9"
    & skf18("5","8","10","4","1","2","1") = "9"
    & skf18("5","8","10","4","1","3","1") = "9"
    & skf18("5","8","10","4","1","4","1") = "9"
    & skf18("5","8","10","4","1","5","1") = "9"
    & skf18("5","8","10","4","1","6","1") = "9"
    & skf18("5","8","10","4","1","7","1") = "9"
    & skf18("5","8","10","4","1","8","1") = "9"
    & skf18("5","8","10","4","1","9","1") = "9"
    & skf18("5","8","10","4","1","10","1") = "9"
    & skf18("5","8","10","4","2","1","1") = "9"
    & skf18("5","8","10","4","2","2","1") = "9"
    & skf18("5","8","10","4","2","3","1") = "9"
    & skf18("5","8","10","4","2","4","1") = "9"
    & skf18("5","8","10","4","2","5","1") = "9"
    & skf18("5","8","10","4","2","6","1") = "9"
    & skf18("5","8","10","4","2","7","1") = "9"
    & skf18("5","8","10","4","2","8","1") = "9"
    & skf18("5","8","10","4","2","9","1") = "9"
    & skf18("5","8","10","4","2","10","1") = "9"
    & skf18("5","8","10","4","3","1","1") = "9"
    & skf18("5","8","10","4","3","2","1") = "9"
    & skf18("5","8","10","4","3","3","1") = "9"
    & skf18("5","8","10","4","3","4","1") = "9"
    & skf18("5","8","10","4","3","5","1") = "9"
    & skf18("5","8","10","4","3","6","1") = "9"
    & skf18("5","8","10","4","3","7","1") = "9"
    & skf18("5","8","10","4","3","8","1") = "9"
    & skf18("5","8","10","4","3","9","1") = "9"
    & skf18("5","8","10","4","3","10","1") = "9"
    & skf18("5","8","10","4","4","1","1") = "9"
    & skf18("5","8","10","4","4","2","1") = "9"
    & skf18("5","8","10","4","4","3","1") = "9"
    & skf18("5","8","10","4","4","4","1") = "9"
    & skf18("5","8","10","4","4","5","1") = "9"
    & skf18("5","8","10","4","4","6","1") = "9"
    & skf18("5","8","10","4","4","7","1") = "9"
    & skf18("5","8","10","4","4","8","1") = "9"
    & skf18("5","8","10","4","4","9","1") = "9"
    & skf18("5","8","10","4","4","10","1") = "9"
    & skf18("5","8","10","4","5","1","1") = "9"
    & skf18("5","8","10","4","5","2","1") = "9"
    & skf18("5","8","10","4","5","3","1") = "9"
    & skf18("5","8","10","4","5","4","1") = "9"
    & skf18("5","8","10","4","5","5","1") = "9"
    & skf18("5","8","10","4","5","6","1") = "9"
    & skf18("5","8","10","4","5","7","1") = "9"
    & skf18("5","8","10","4","5","8","1") = "9"
    & skf18("5","8","10","4","5","9","1") = "9"
    & skf18("5","8","10","4","5","10","1") = "9"
    & skf18("5","8","10","4","6","1","1") = "9"
    & skf18("5","8","10","4","6","2","1") = "9"
    & skf18("5","8","10","4","6","3","1") = "9"
    & skf18("5","8","10","4","6","4","1") = "9"
    & skf18("5","8","10","4","6","5","1") = "9"
    & skf18("5","8","10","4","6","6","1") = "9"
    & skf18("5","8","10","4","6","7","1") = "9"
    & skf18("5","8","10","4","6","8","1") = "9"
    & skf18("5","8","10","4","6","9","1") = "9"
    & skf18("5","8","10","4","6","10","1") = "9"
    & skf18("5","8","10","4","7","1","1") = "9"
    & skf18("5","8","10","4","7","2","1") = "9"
    & skf18("5","8","10","4","7","3","1") = "9"
    & skf18("5","8","10","4","7","4","1") = "9"
    & skf18("5","8","10","4","7","5","1") = "9"
    & skf18("5","8","10","4","7","6","1") = "9"
    & skf18("5","8","10","4","7","7","1") = "9"
    & skf18("5","8","10","4","7","8","1") = "9"
    & skf18("5","8","10","4","7","9","1") = "9"
    & skf18("5","8","10","4","7","10","1") = "9"
    & skf18("5","8","10","4","8","1","1") = "9"
    & skf18("5","8","10","4","8","2","1") = "9"
    & skf18("5","8","10","4","8","3","1") = "9"
    & skf18("5","8","10","4","8","4","1") = "9"
    & skf18("5","8","10","4","8","5","1") = "9"
    & skf18("5","8","10","4","8","6","1") = "9"
    & skf18("5","8","10","4","8","7","1") = "9"
    & skf18("5","8","10","4","8","8","1") = "9"
    & skf18("5","8","10","4","8","9","1") = "9"
    & skf18("5","8","10","4","8","10","1") = "9"
    & skf18("5","8","10","4","9","1","1") = "9"
    & skf18("5","8","10","4","9","2","1") = "9"
    & skf18("5","8","10","4","9","3","1") = "9"
    & skf18("5","8","10","4","9","4","1") = "9"
    & skf18("5","8","10","4","9","5","1") = "9"
    & skf18("5","8","10","4","9","6","1") = "9"
    & skf18("5","8","10","4","9","7","1") = "9"
    & skf18("5","8","10","4","9","8","1") = "9"
    & skf18("5","8","10","4","9","9","1") = "9"
    & skf18("5","8","10","4","9","10","1") = "9"
    & skf18("5","8","10","4","10","1","1") = "9"
    & skf18("5","8","10","4","10","2","1") = "9"
    & skf18("5","8","10","4","10","3","1") = "9"
    & skf18("5","8","10","4","10","4","1") = "9"
    & skf18("5","8","10","4","10","5","1") = "9"
    & skf18("5","8","10","4","10","6","1") = "9"
    & skf18("5","8","10","4","10","7","1") = "9"
    & skf18("5","8","10","4","10","8","1") = "9"
    & skf18("5","8","10","4","10","9","1") = "9"
    & skf18("5","8","10","4","10","10","1") = "9"
    & skf18("5","8","10","5","1","1","1") = "9"
    & skf18("5","8","10","5","1","2","1") = "9"
    & skf18("5","8","10","5","1","3","1") = "9"
    & skf18("5","8","10","5","1","4","1") = "9"
    & skf18("5","8","10","5","1","5","1") = "9"
    & skf18("5","8","10","5","1","6","1") = "9"
    & skf18("5","8","10","5","1","7","1") = "9"
    & skf18("5","8","10","5","1","8","1") = "9"
    & skf18("5","8","10","5","1","9","1") = "9"
    & skf18("5","8","10","5","1","10","1") = "9"
    & skf18("5","8","10","5","2","1","1") = "9"
    & skf18("5","8","10","5","2","2","1") = "9"
    & skf18("5","8","10","5","2","3","1") = "9"
    & skf18("5","8","10","5","2","4","1") = "9"
    & skf18("5","8","10","5","2","5","1") = "9"
    & skf18("5","8","10","5","2","6","1") = "9"
    & skf18("5","8","10","5","2","7","1") = "9"
    & skf18("5","8","10","5","2","8","1") = "9"
    & skf18("5","8","10","5","2","9","1") = "9"
    & skf18("5","8","10","5","2","10","1") = "9"
    & skf18("5","8","10","5","3","1","1") = "9"
    & skf18("5","8","10","5","3","2","1") = "9"
    & skf18("5","8","10","5","3","3","1") = "9"
    & skf18("5","8","10","5","3","4","1") = "9"
    & skf18("5","8","10","5","3","5","1") = "9"
    & skf18("5","8","10","5","3","6","1") = "9"
    & skf18("5","8","10","5","3","7","1") = "9"
    & skf18("5","8","10","5","3","8","1") = "9"
    & skf18("5","8","10","5","3","9","1") = "9"
    & skf18("5","8","10","5","3","10","1") = "9"
    & skf18("5","8","10","5","4","1","1") = "9"
    & skf18("5","8","10","5","4","2","1") = "9"
    & skf18("5","8","10","5","4","3","1") = "9"
    & skf18("5","8","10","5","4","4","1") = "9"
    & skf18("5","8","10","5","4","5","1") = "9"
    & skf18("5","8","10","5","4","6","1") = "9"
    & skf18("5","8","10","5","4","7","1") = "9"
    & skf18("5","8","10","5","4","8","1") = "9"
    & skf18("5","8","10","5","4","9","1") = "9"
    & skf18("5","8","10","5","4","10","1") = "9"
    & skf18("5","8","10","5","5","1","1") = "9"
    & skf18("5","8","10","5","5","2","1") = "9"
    & skf18("5","8","10","5","5","3","1") = "9"
    & skf18("5","8","10","5","5","4","1") = "9"
    & skf18("5","8","10","5","5","5","1") = "9"
    & skf18("5","8","10","5","5","6","1") = "9"
    & skf18("5","8","10","5","5","7","1") = "9"
    & skf18("5","8","10","5","5","8","1") = "9"
    & skf18("5","8","10","5","5","9","1") = "9"
    & skf18("5","8","10","5","5","10","1") = "9"
    & skf18("5","8","10","5","6","1","1") = "9"
    & skf18("5","8","10","5","6","2","1") = "9"
    & skf18("5","8","10","5","6","3","1") = "9"
    & skf18("5","8","10","5","6","4","1") = "9"
    & skf18("5","8","10","5","6","5","1") = "9"
    & skf18("5","8","10","5","6","6","1") = "9"
    & skf18("5","8","10","5","6","7","1") = "9"
    & skf18("5","8","10","5","6","8","1") = "9"
    & skf18("5","8","10","5","6","9","1") = "9"
    & skf18("5","8","10","5","6","10","1") = "9"
    & skf18("5","8","10","5","7","1","1") = "9"
    & skf18("5","8","10","5","7","2","1") = "9"
    & skf18("5","8","10","5","7","3","1") = "9"
    & skf18("5","8","10","5","7","4","1") = "9"
    & skf18("5","8","10","5","7","5","1") = "9"
    & skf18("5","8","10","5","7","6","1") = "9"
    & skf18("5","8","10","5","7","7","1") = "9"
    & skf18("5","8","10","5","7","8","1") = "9"
    & skf18("5","8","10","5","7","9","1") = "9"
    & skf18("5","8","10","5","7","10","1") = "9"
    & skf18("5","8","10","5","8","1","1") = "9"
    & skf18("5","8","10","5","8","2","1") = "9"
    & skf18("5","8","10","5","8","3","1") = "9"
    & skf18("5","8","10","5","8","4","1") = "9"
    & skf18("5","8","10","5","8","5","1") = "9"
    & skf18("5","8","10","5","8","6","1") = "9"
    & skf18("5","8","10","5","8","7","1") = "9"
    & skf18("5","8","10","5","8","8","1") = "9"
    & skf18("5","8","10","5","8","9","1") = "9"
    & skf18("5","8","10","5","8","10","1") = "9"
    & skf18("5","8","10","5","9","1","1") = "9"
    & skf18("5","8","10","5","9","2","1") = "9"
    & skf18("5","8","10","5","9","3","1") = "9"
    & skf18("5","8","10","5","9","4","1") = "9"
    & skf18("5","8","10","5","9","5","1") = "9"
    & skf18("5","8","10","5","9","6","1") = "9"
    & skf18("5","8","10","5","9","7","1") = "9"
    & skf18("5","8","10","5","9","8","1") = "9"
    & skf18("5","8","10","5","9","9","1") = "9"
    & skf18("5","8","10","5","9","10","1") = "9"
    & skf18("5","8","10","5","10","1","1") = "9"
    & skf18("5","8","10","5","10","2","1") = "9"
    & skf18("5","8","10","5","10","3","1") = "9"
    & skf18("5","8","10","5","10","4","1") = "9"
    & skf18("5","8","10","5","10","5","1") = "9"
    & skf18("5","8","10","5","10","6","1") = "9"
    & skf18("5","8","10","5","10","7","1") = "9"
    & skf18("5","8","10","5","10","8","1") = "9"
    & skf18("5","8","10","5","10","9","1") = "9"
    & skf18("5","8","10","5","10","10","1") = "9"
    & skf18("5","8","10","6","1","1","1") = "9"
    & skf18("5","8","10","6","1","2","1") = "9"
    & skf18("5","8","10","6","1","3","1") = "9"
    & skf18("5","8","10","6","1","4","1") = "9"
    & skf18("5","8","10","6","1","5","1") = "9"
    & skf18("5","8","10","6","1","6","1") = "9"
    & skf18("5","8","10","6","1","7","1") = "9"
    & skf18("5","8","10","6","1","8","1") = "9"
    & skf18("5","8","10","6","1","9","1") = "9"
    & skf18("5","8","10","6","1","10","1") = "9"
    & skf18("5","8","10","6","2","1","1") = "9"
    & skf18("5","8","10","6","2","2","1") = "9"
    & skf18("5","8","10","6","2","3","1") = "9"
    & skf18("5","8","10","6","2","4","1") = "9"
    & skf18("5","8","10","6","2","5","1") = "9"
    & skf18("5","8","10","6","2","6","1") = "9"
    & skf18("5","8","10","6","2","7","1") = "9"
    & skf18("5","8","10","6","2","8","1") = "9"
    & skf18("5","8","10","6","2","9","1") = "9"
    & skf18("5","8","10","6","2","10","1") = "9"
    & skf18("5","8","10","6","3","1","1") = "9"
    & skf18("5","8","10","6","3","2","1") = "9"
    & skf18("5","8","10","6","3","3","1") = "9"
    & skf18("5","8","10","6","3","4","1") = "9"
    & skf18("5","8","10","6","3","5","1") = "9"
    & skf18("5","8","10","6","3","6","1") = "9"
    & skf18("5","8","10","6","3","7","1") = "9"
    & skf18("5","8","10","6","3","8","1") = "9"
    & skf18("5","8","10","6","3","9","1") = "9"
    & skf18("5","8","10","6","3","10","1") = "9"
    & skf18("5","8","10","6","4","1","1") = "9"
    & skf18("5","8","10","6","4","2","1") = "9"
    & skf18("5","8","10","6","4","3","1") = "9"
    & skf18("5","8","10","6","4","4","1") = "9"
    & skf18("5","8","10","6","4","5","1") = "9"
    & skf18("5","8","10","6","4","6","1") = "9"
    & skf18("5","8","10","6","4","7","1") = "9"
    & skf18("5","8","10","6","4","8","1") = "9"
    & skf18("5","8","10","6","4","9","1") = "9"
    & skf18("5","8","10","6","4","10","1") = "9"
    & skf18("5","8","10","6","5","1","1") = "9"
    & skf18("5","8","10","6","5","2","1") = "9"
    & skf18("5","8","10","6","5","3","1") = "9"
    & skf18("5","8","10","6","5","4","1") = "9"
    & skf18("5","8","10","6","5","5","1") = "9"
    & skf18("5","8","10","6","5","6","1") = "9"
    & skf18("5","8","10","6","5","7","1") = "9"
    & skf18("5","8","10","6","5","8","1") = "9"
    & skf18("5","8","10","6","5","9","1") = "9"
    & skf18("5","8","10","6","5","10","1") = "9"
    & skf18("5","8","10","6","6","1","1") = "9"
    & skf18("5","8","10","6","6","2","1") = "9"
    & skf18("5","8","10","6","6","3","1") = "9"
    & skf18("5","8","10","6","6","4","1") = "9"
    & skf18("5","8","10","6","6","5","1") = "9"
    & skf18("5","8","10","6","6","6","1") = "9"
    & skf18("5","8","10","6","6","7","1") = "9"
    & skf18("5","8","10","6","6","8","1") = "9"
    & skf18("5","8","10","6","6","9","1") = "9"
    & skf18("5","8","10","6","6","10","1") = "9"
    & skf18("5","8","10","6","7","1","1") = "9"
    & skf18("5","8","10","6","7","2","1") = "9"
    & skf18("5","8","10","6","7","3","1") = "9"
    & skf18("5","8","10","6","7","4","1") = "9"
    & skf18("5","8","10","6","7","5","1") = "9"
    & skf18("5","8","10","6","7","6","1") = "9"
    & skf18("5","8","10","6","7","7","1") = "9"
    & skf18("5","8","10","6","7","8","1") = "9"
    & skf18("5","8","10","6","7","9","1") = "9"
    & skf18("5","8","10","6","7","10","1") = "9"
    & skf18("5","8","10","6","8","1","1") = "9"
    & skf18("5","8","10","6","8","2","1") = "9"
    & skf18("5","8","10","6","8","3","1") = "9"
    & skf18("5","8","10","6","8","4","1") = "9"
    & skf18("5","8","10","6","8","5","1") = "9"
    & skf18("5","8","10","6","8","6","1") = "9"
    & skf18("5","8","10","6","8","7","1") = "9"
    & skf18("5","8","10","6","8","8","1") = "9"
    & skf18("5","8","10","6","8","9","1") = "9"
    & skf18("5","8","10","6","8","10","1") = "9"
    & skf18("5","8","10","6","9","1","1") = "9"
    & skf18("5","8","10","6","9","2","1") = "9"
    & skf18("5","8","10","6","9","3","1") = "9"
    & skf18("5","8","10","6","9","4","1") = "9"
    & skf18("5","8","10","6","9","5","1") = "9"
    & skf18("5","8","10","6","9","6","1") = "9"
    & skf18("5","8","10","6","9","7","1") = "9"
    & skf18("5","8","10","6","9","8","1") = "9"
    & skf18("5","8","10","6","9","9","1") = "9"
    & skf18("5","8","10","6","9","10","1") = "9"
    & skf18("5","8","10","6","10","1","1") = "9"
    & skf18("5","8","10","6","10","2","1") = "9"
    & skf18("5","8","10","6","10","3","1") = "9"
    & skf18("5","8","10","6","10","4","1") = "9"
    & skf18("5","8","10","6","10","5","1") = "9"
    & skf18("5","8","10","6","10","6","1") = "9"
    & skf18("5","8","10","6","10","7","1") = "9"
    & skf18("5","8","10","6","10","8","1") = "9"
    & skf18("5","8","10","6","10","9","1") = "9"
    & skf18("5","8","10","6","10","10","1") = "9"
    & skf18("5","8","10","7","1","1","1") = "9"
    & skf18("5","8","10","7","1","2","1") = "9"
    & skf18("5","8","10","7","1","3","1") = "9"
    & skf18("5","8","10","7","1","4","1") = "9"
    & skf18("5","8","10","7","1","5","1") = "9"
    & skf18("5","8","10","7","1","6","1") = "9"
    & skf18("5","8","10","7","1","7","1") = "9"
    & skf18("5","8","10","7","1","8","1") = "9"
    & skf18("5","8","10","7","1","9","1") = "9"
    & skf18("5","8","10","7","1","10","1") = "9"
    & skf18("5","8","10","7","2","1","1") = "9"
    & skf18("5","8","10","7","2","2","1") = "9"
    & skf18("5","8","10","7","2","3","1") = "9"
    & skf18("5","8","10","7","2","4","1") = "9"
    & skf18("5","8","10","7","2","5","1") = "9"
    & skf18("5","8","10","7","2","6","1") = "9"
    & skf18("5","8","10","7","2","7","1") = "9"
    & skf18("5","8","10","7","2","8","1") = "9"
    & skf18("5","8","10","7","2","9","1") = "9"
    & skf18("5","8","10","7","2","10","1") = "9"
    & skf18("5","8","10","7","3","1","1") = "9"
    & skf18("5","8","10","7","3","2","1") = "9"
    & skf18("5","8","10","7","3","3","1") = "9"
    & skf18("5","8","10","7","3","4","1") = "9"
    & skf18("5","8","10","7","3","5","1") = "9"
    & skf18("5","8","10","7","3","6","1") = "9"
    & skf18("5","8","10","7","3","7","1") = "9"
    & skf18("5","8","10","7","3","8","1") = "9"
    & skf18("5","8","10","7","3","9","1") = "9"
    & skf18("5","8","10","7","3","10","1") = "9"
    & skf18("5","8","10","7","4","1","1") = "9"
    & skf18("5","8","10","7","4","2","1") = "9"
    & skf18("5","8","10","7","4","3","1") = "9"
    & skf18("5","8","10","7","4","4","1") = "9"
    & skf18("5","8","10","7","4","5","1") = "9"
    & skf18("5","8","10","7","4","6","1") = "9"
    & skf18("5","8","10","7","4","7","1") = "9"
    & skf18("5","8","10","7","4","8","1") = "9"
    & skf18("5","8","10","7","4","9","1") = "9"
    & skf18("5","8","10","7","4","10","1") = "9"
    & skf18("5","8","10","7","5","1","1") = "9"
    & skf18("5","8","10","7","5","2","1") = "9"
    & skf18("5","8","10","7","5","3","1") = "9"
    & skf18("5","8","10","7","5","4","1") = "9"
    & skf18("5","8","10","7","5","5","1") = "9"
    & skf18("5","8","10","7","5","6","1") = "9"
    & skf18("5","8","10","7","5","7","1") = "9"
    & skf18("5","8","10","7","5","8","1") = "9"
    & skf18("5","8","10","7","5","9","1") = "9"
    & skf18("5","8","10","7","5","10","1") = "9"
    & skf18("5","8","10","7","6","1","1") = "9"
    & skf18("5","8","10","7","6","2","1") = "9"
    & skf18("5","8","10","7","6","3","1") = "9"
    & skf18("5","8","10","7","6","4","1") = "9"
    & skf18("5","8","10","7","6","5","1") = "9"
    & skf18("5","8","10","7","6","6","1") = "9"
    & skf18("5","8","10","7","6","7","1") = "9"
    & skf18("5","8","10","7","6","8","1") = "9"
    & skf18("5","8","10","7","6","9","1") = "9"
    & skf18("5","8","10","7","6","10","1") = "9"
    & skf18("5","8","10","7","7","1","1") = "9"
    & skf18("5","8","10","7","7","2","1") = "9"
    & skf18("5","8","10","7","7","3","1") = "9"
    & skf18("5","8","10","7","7","4","1") = "9"
    & skf18("5","8","10","7","7","5","1") = "9"
    & skf18("5","8","10","7","7","6","1") = "9"
    & skf18("5","8","10","7","7","7","1") = "9"
    & skf18("5","8","10","7","7","8","1") = "9"
    & skf18("5","8","10","7","7","9","1") = "9"
    & skf18("5","8","10","7","7","10","1") = "9"
    & skf18("5","8","10","7","8","1","1") = "9"
    & skf18("5","8","10","7","8","2","1") = "9"
    & skf18("5","8","10","7","8","3","1") = "9"
    & skf18("5","8","10","7","8","4","1") = "9"
    & skf18("5","8","10","7","8","5","1") = "9"
    & skf18("5","8","10","7","8","6","1") = "9"
    & skf18("5","8","10","7","8","7","1") = "9"
    & skf18("5","8","10","7","8","8","1") = "9"
    & skf18("5","8","10","7","8","9","1") = "9"
    & skf18("5","8","10","7","8","10","1") = "9"
    & skf18("5","8","10","7","9","1","1") = "9"
    & skf18("5","8","10","7","9","2","1") = "9"
    & skf18("5","8","10","7","9","3","1") = "9"
    & skf18("5","8","10","7","9","4","1") = "9"
    & skf18("5","8","10","7","9","5","1") = "9"
    & skf18("5","8","10","7","9","6","1") = "9"
    & skf18("5","8","10","7","9","7","1") = "9"
    & skf18("5","8","10","7","9","8","1") = "9"
    & skf18("5","8","10","7","9","9","1") = "9"
    & skf18("5","8","10","7","9","10","1") = "9"
    & skf18("5","8","10","7","10","1","1") = "9"
    & skf18("5","8","10","7","10","2","1") = "9"
    & skf18("5","8","10","7","10","3","1") = "9"
    & skf18("5","8","10","7","10","4","1") = "9"
    & skf18("5","8","10","7","10","5","1") = "9"
    & skf18("5","8","10","7","10","6","1") = "9"
    & skf18("5","8","10","7","10","7","1") = "9"
    & skf18("5","8","10","7","10","8","1") = "9"
    & skf18("5","8","10","7","10","9","1") = "9"
    & skf18("5","8","10","7","10","10","1") = "9"
    & skf18("5","8","10","8","1","1","1") = "9"
    & skf18("5","8","10","8","1","2","1") = "9"
    & skf18("5","8","10","8","1","3","1") = "9"
    & skf18("5","8","10","8","1","4","1") = "9"
    & skf18("5","8","10","8","1","5","1") = "9"
    & skf18("5","8","10","8","1","6","1") = "9"
    & skf18("5","8","10","8","1","7","1") = "9"
    & skf18("5","8","10","8","1","8","1") = "9"
    & skf18("5","8","10","8","1","9","1") = "9"
    & skf18("5","8","10","8","1","10","1") = "9"
    & skf18("5","8","10","8","2","1","1") = "9"
    & skf18("5","8","10","8","2","2","1") = "9"
    & skf18("5","8","10","8","2","3","1") = "9"
    & skf18("5","8","10","8","2","4","1") = "9"
    & skf18("5","8","10","8","2","5","1") = "9"
    & skf18("5","8","10","8","2","6","1") = "9"
    & skf18("5","8","10","8","2","7","1") = "9"
    & skf18("5","8","10","8","2","8","1") = "9"
    & skf18("5","8","10","8","2","9","1") = "9"
    & skf18("5","8","10","8","2","10","1") = "9"
    & skf18("5","8","10","8","3","1","1") = "9"
    & skf18("5","8","10","8","3","2","1") = "9"
    & skf18("5","8","10","8","3","3","1") = "9"
    & skf18("5","8","10","8","3","4","1") = "9"
    & skf18("5","8","10","8","3","5","1") = "9"
    & skf18("5","8","10","8","3","6","1") = "9"
    & skf18("5","8","10","8","3","7","1") = "9"
    & skf18("5","8","10","8","3","8","1") = "9"
    & skf18("5","8","10","8","3","9","1") = "9"
    & skf18("5","8","10","8","3","10","1") = "9"
    & skf18("5","8","10","8","4","1","1") = "9"
    & skf18("5","8","10","8","4","2","1") = "9"
    & skf18("5","8","10","8","4","3","1") = "9"
    & skf18("5","8","10","8","4","4","1") = "9"
    & skf18("5","8","10","8","4","5","1") = "9"
    & skf18("5","8","10","8","4","6","1") = "9"
    & skf18("5","8","10","8","4","7","1") = "9"
    & skf18("5","8","10","8","4","8","1") = "9"
    & skf18("5","8","10","8","4","9","1") = "9"
    & skf18("5","8","10","8","4","10","1") = "9"
    & skf18("5","8","10","8","5","1","1") = "9"
    & skf18("5","8","10","8","5","2","1") = "9"
    & skf18("5","8","10","8","5","3","1") = "9"
    & skf18("5","8","10","8","5","4","1") = "9"
    & skf18("5","8","10","8","5","5","1") = "9"
    & skf18("5","8","10","8","5","6","1") = "9"
    & skf18("5","8","10","8","5","7","1") = "9"
    & skf18("5","8","10","8","5","8","1") = "9"
    & skf18("5","8","10","8","5","9","1") = "9"
    & skf18("5","8","10","8","5","10","1") = "9"
    & skf18("5","8","10","8","6","1","1") = "9"
    & skf18("5","8","10","8","6","2","1") = "9"
    & skf18("5","8","10","8","6","3","1") = "9"
    & skf18("5","8","10","8","6","4","1") = "9"
    & skf18("5","8","10","8","6","5","1") = "9"
    & skf18("5","8","10","8","6","6","1") = "9"
    & skf18("5","8","10","8","6","7","1") = "9"
    & skf18("5","8","10","8","6","8","1") = "9"
    & skf18("5","8","10","8","6","9","1") = "9"
    & skf18("5","8","10","8","6","10","1") = "9"
    & skf18("5","8","10","8","7","1","1") = "9"
    & skf18("5","8","10","8","7","2","1") = "9"
    & skf18("5","8","10","8","7","3","1") = "9"
    & skf18("5","8","10","8","7","4","1") = "9"
    & skf18("5","8","10","8","7","5","1") = "9"
    & skf18("5","8","10","8","7","6","1") = "9"
    & skf18("5","8","10","8","7","7","1") = "9"
    & skf18("5","8","10","8","7","8","1") = "9"
    & skf18("5","8","10","8","7","9","1") = "9"
    & skf18("5","8","10","8","7","10","1") = "9"
    & skf18("5","8","10","8","8","1","1") = "9"
    & skf18("5","8","10","8","8","2","1") = "9"
    & skf18("5","8","10","8","8","3","1") = "9"
    & skf18("5","8","10","8","8","4","1") = "9"
    & skf18("5","8","10","8","8","5","1") = "9"
    & skf18("5","8","10","8","8","6","1") = "9"
    & skf18("5","8","10","8","8","7","1") = "9"
    & skf18("5","8","10","8","8","8","1") = "9"
    & skf18("5","8","10","8","8","9","1") = "9"
    & skf18("5","8","10","8","8","10","1") = "9"
    & skf18("5","8","10","8","9","1","1") = "9"
    & skf18("5","8","10","8","9","2","1") = "9"
    & skf18("5","8","10","8","9","3","1") = "9"
    & skf18("5","8","10","8","9","4","1") = "9"
    & skf18("5","8","10","8","9","5","1") = "9"
    & skf18("5","8","10","8","9","6","1") = "9"
    & skf18("5","8","10","8","9","7","1") = "9"
    & skf18("5","8","10","8","9","8","1") = "9"
    & skf18("5","8","10","8","9","9","1") = "9"
    & skf18("5","8","10","8","9","10","1") = "9"
    & skf18("5","8","10","8","10","1","1") = "9"
    & skf18("5","8","10","8","10","2","1") = "9"
    & skf18("5","8","10","8","10","3","1") = "9"
    & skf18("5","8","10","8","10","4","1") = "9"
    & skf18("5","8","10","8","10","5","1") = "9"
    & skf18("5","8","10","8","10","6","1") = "9"
    & skf18("5","8","10","8","10","7","1") = "9"
    & skf18("5","8","10","8","10","8","1") = "9"
    & skf18("5","8","10","8","10","9","1") = "9"
    & skf18("5","8","10","8","10","10","1") = "9"
    & skf18("5","8","10","9","1","1","1") = "9"
    & skf18("5","8","10","9","1","2","1") = "9"
    & skf18("5","8","10","9","1","3","1") = "9"
    & skf18("5","8","10","9","1","4","1") = "9"
    & skf18("5","8","10","9","1","5","1") = "9"
    & skf18("5","8","10","9","1","6","1") = "9"
    & skf18("5","8","10","9","1","7","1") = "9"
    & skf18("5","8","10","9","1","8","1") = "9"
    & skf18("5","8","10","9","1","9","1") = "9"
    & skf18("5","8","10","9","1","10","1") = "9"
    & skf18("5","8","10","9","2","1","1") = "9"
    & skf18("5","8","10","9","2","2","1") = "9"
    & skf18("5","8","10","9","2","3","1") = "9"
    & skf18("5","8","10","9","2","4","1") = "9"
    & skf18("5","8","10","9","2","5","1") = "9"
    & skf18("5","8","10","9","2","6","1") = "9"
    & skf18("5","8","10","9","2","7","1") = "9"
    & skf18("5","8","10","9","2","8","1") = "9"
    & skf18("5","8","10","9","2","9","1") = "9"
    & skf18("5","8","10","9","2","10","1") = "9"
    & skf18("5","8","10","9","3","1","1") = "9"
    & skf18("5","8","10","9","3","2","1") = "9"
    & skf18("5","8","10","9","3","3","1") = "9"
    & skf18("5","8","10","9","3","4","1") = "9"
    & skf18("5","8","10","9","3","5","1") = "9"
    & skf18("5","8","10","9","3","6","1") = "9"
    & skf18("5","8","10","9","3","7","1") = "9"
    & skf18("5","8","10","9","3","8","1") = "9"
    & skf18("5","8","10","9","3","9","1") = "9"
    & skf18("5","8","10","9","3","10","1") = "9"
    & skf18("5","8","10","9","4","1","1") = "9"
    & skf18("5","8","10","9","4","2","1") = "9"
    & skf18("5","8","10","9","4","3","1") = "9"
    & skf18("5","8","10","9","4","4","1") = "9"
    & skf18("5","8","10","9","4","5","1") = "9"
    & skf18("5","8","10","9","4","6","1") = "9"
    & skf18("5","8","10","9","4","7","1") = "9"
    & skf18("5","8","10","9","4","8","1") = "9"
    & skf18("5","8","10","9","4","9","1") = "9"
    & skf18("5","8","10","9","4","10","1") = "9"
    & skf18("5","8","10","9","5","1","1") = "9"
    & skf18("5","8","10","9","5","2","1") = "9"
    & skf18("5","8","10","9","5","3","1") = "9"
    & skf18("5","8","10","9","5","4","1") = "9"
    & skf18("5","8","10","9","5","5","1") = "9"
    & skf18("5","8","10","9","5","6","1") = "9"
    & skf18("5","8","10","9","5","7","1") = "9"
    & skf18("5","8","10","9","5","8","1") = "9"
    & skf18("5","8","10","9","5","9","1") = "9"
    & skf18("5","8","10","9","5","10","1") = "9"
    & skf18("5","8","10","9","6","1","1") = "9"
    & skf18("5","8","10","9","6","2","1") = "9"
    & skf18("5","8","10","9","6","3","1") = "9"
    & skf18("5","8","10","9","6","4","1") = "9"
    & skf18("5","8","10","9","6","5","1") = "9"
    & skf18("5","8","10","9","6","6","1") = "9"
    & skf18("5","8","10","9","6","7","1") = "9"
    & skf18("5","8","10","9","6","8","1") = "9"
    & skf18("5","8","10","9","6","9","1") = "9"
    & skf18("5","8","10","9","6","10","1") = "9"
    & skf18("5","8","10","9","7","1","1") = "9"
    & skf18("5","8","10","9","7","2","1") = "9"
    & skf18("5","8","10","9","7","3","1") = "9"
    & skf18("5","8","10","9","7","4","1") = "9"
    & skf18("5","8","10","9","7","5","1") = "9"
    & skf18("5","8","10","9","7","6","1") = "9"
    & skf18("5","8","10","9","7","7","1") = "9"
    & skf18("5","8","10","9","7","8","1") = "9"
    & skf18("5","8","10","9","7","9","1") = "9"
    & skf18("5","8","10","9","7","10","1") = "9"
    & skf18("5","8","10","9","8","1","1") = "9"
    & skf18("5","8","10","9","8","2","1") = "9"
    & skf18("5","8","10","9","8","3","1") = "9"
    & skf18("5","8","10","9","8","4","1") = "9"
    & skf18("5","8","10","9","8","5","1") = "9"
    & skf18("5","8","10","9","8","6","1") = "9"
    & skf18("5","8","10","9","8","7","1") = "9"
    & skf18("5","8","10","9","8","8","1") = "9"
    & skf18("5","8","10","9","8","9","1") = "9"
    & skf18("5","8","10","9","8","10","1") = "9"
    & skf18("5","8","10","9","9","1","1") = "9"
    & skf18("5","8","10","9","9","2","1") = "9"
    & skf18("5","8","10","9","9","3","1") = "9"
    & skf18("5","8","10","9","9","4","1") = "9"
    & skf18("5","8","10","9","9","5","1") = "9"
    & skf18("5","8","10","9","9","6","1") = "9"
    & skf18("5","8","10","9","9","7","1") = "9"
    & skf18("5","8","10","9","9","8","1") = "9"
    & skf18("5","8","10","9","9","9","1") = "9"
    & skf18("5","8","10","9","9","10","1") = "9"
    & skf18("5","8","10","9","10","1","1") = "9"
    & skf18("5","8","10","9","10","2","1") = "9"
    & skf18("5","8","10","9","10","3","1") = "9"
    & skf18("5","8","10","9","10","4","1") = "9"
    & skf18("5","8","10","9","10","5","1") = "9"
    & skf18("5","8","10","9","10","6","1") = "9"
    & skf18("5","8","10","9","10","7","1") = "9"
    & skf18("5","8","10","9","10","8","1") = "9"
    & skf18("5","8","10","9","10","9","1") = "9"
    & skf18("5","8","10","9","10","10","1") = "9"
    & skf18("5","8","10","10","1","1","1") = "9"
    & skf18("5","8","10","10","1","2","1") = "9"
    & skf18("5","8","10","10","1","3","1") = "9"
    & skf18("5","8","10","10","1","4","1") = "9"
    & skf18("5","8","10","10","1","5","1") = "9"
    & skf18("5","8","10","10","1","6","1") = "9"
    & skf18("5","8","10","10","1","7","1") = "9"
    & skf18("5","8","10","10","1","8","1") = "9"
    & skf18("5","8","10","10","1","9","1") = "9"
    & skf18("5","8","10","10","1","10","1") = "9"
    & skf18("5","8","10","10","2","1","1") = "9"
    & skf18("5","8","10","10","2","2","1") = "9"
    & skf18("5","8","10","10","2","3","1") = "9"
    & skf18("5","8","10","10","2","4","1") = "9"
    & skf18("5","8","10","10","2","5","1") = "9"
    & skf18("5","8","10","10","2","6","1") = "9"
    & skf18("5","8","10","10","2","7","1") = "9"
    & skf18("5","8","10","10","2","8","1") = "9"
    & skf18("5","8","10","10","2","9","1") = "9"
    & skf18("5","8","10","10","2","10","1") = "9"
    & skf18("5","8","10","10","3","1","1") = "9"
    & skf18("5","8","10","10","3","2","1") = "9"
    & skf18("5","8","10","10","3","3","1") = "9"
    & skf18("5","8","10","10","3","4","1") = "9"
    & skf18("5","8","10","10","3","5","1") = "9"
    & skf18("5","8","10","10","3","6","1") = "9"
    & skf18("5","8","10","10","3","7","1") = "9"
    & skf18("5","8","10","10","3","8","1") = "9"
    & skf18("5","8","10","10","3","9","1") = "9"
    & skf18("5","8","10","10","3","10","1") = "9"
    & skf18("5","8","10","10","4","1","1") = "9"
    & skf18("5","8","10","10","4","2","1") = "9"
    & skf18("5","8","10","10","4","3","1") = "9"
    & skf18("5","8","10","10","4","4","1") = "9"
    & skf18("5","8","10","10","4","5","1") = "9"
    & skf18("5","8","10","10","4","6","1") = "9"
    & skf18("5","8","10","10","4","7","1") = "9"
    & skf18("5","8","10","10","4","8","1") = "9"
    & skf18("5","8","10","10","4","9","1") = "9"
    & skf18("5","8","10","10","4","10","1") = "9"
    & skf18("5","8","10","10","5","1","1") = "9"
    & skf18("5","8","10","10","5","2","1") = "9"
    & skf18("5","8","10","10","5","3","1") = "9"
    & skf18("5","8","10","10","5","4","1") = "9"
    & skf18("5","8","10","10","5","5","1") = "9"
    & skf18("5","8","10","10","5","6","1") = "9"
    & skf18("5","8","10","10","5","7","1") = "9"
    & skf18("5","8","10","10","5","8","1") = "9"
    & skf18("5","8","10","10","5","9","1") = "9"
    & skf18("5","8","10","10","5","10","1") = "9"
    & skf18("5","8","10","10","6","1","1") = "9"
    & skf18("5","8","10","10","6","2","1") = "9"
    & skf18("5","8","10","10","6","3","1") = "9"
    & skf18("5","8","10","10","6","4","1") = "9"
    & skf18("5","8","10","10","6","5","1") = "9"
    & skf18("5","8","10","10","6","6","1") = "9"
    & skf18("5","8","10","10","6","7","1") = "9"
    & skf18("5","8","10","10","6","8","1") = "9"
    & skf18("5","8","10","10","6","9","1") = "9"
    & skf18("5","8","10","10","6","10","1") = "9"
    & skf18("5","8","10","10","7","1","1") = "9"
    & skf18("5","8","10","10","7","2","1") = "9"
    & skf18("5","8","10","10","7","3","1") = "9"
    & skf18("5","8","10","10","7","4","1") = "9"
    & skf18("5","8","10","10","7","5","1") = "9"
    & skf18("5","8","10","10","7","6","1") = "9"
    & skf18("5","8","10","10","7","7","1") = "9"
    & skf18("5","8","10","10","7","8","1") = "9"
    & skf18("5","8","10","10","7","9","1") = "9"
    & skf18("5","8","10","10","7","10","1") = "9"
    & skf18("5","8","10","10","8","1","1") = "9"
    & skf18("5","8","10","10","8","2","1") = "9"
    & skf18("5","8","10","10","8","3","1") = "9"
    & skf18("5","8","10","10","8","4","1") = "9"
    & skf18("5","8","10","10","8","5","1") = "9"
    & skf18("5","8","10","10","8","6","1") = "9"
    & skf18("5","8","10","10","8","7","1") = "9"
    & skf18("5","8","10","10","8","8","1") = "9"
    & skf18("5","8","10","10","8","9","1") = "9"
    & skf18("5","8","10","10","8","10","1") = "9"
    & skf18("5","8","10","10","9","1","1") = "9"
    & skf18("5","8","10","10","9","2","1") = "9"
    & skf18("5","8","10","10","9","3","1") = "9"
    & skf18("5","8","10","10","9","4","1") = "9"
    & skf18("5","8","10","10","9","5","1") = "9"
    & skf18("5","8","10","10","9","6","1") = "9"
    & skf18("5","8","10","10","9","7","1") = "9"
    & skf18("5","8","10","10","9","8","1") = "9"
    & skf18("5","8","10","10","9","9","1") = "9"
    & skf18("5","8","10","10","9","10","1") = "9"
    & skf18("5","8","10","10","10","1","1") = "9"
    & skf18("5","8","10","10","10","2","1") = "9"
    & skf18("5","8","10","10","10","3","1") = "9"
    & skf18("5","8","10","10","10","4","1") = "9"
    & skf18("5","8","10","10","10","5","1") = "9"
    & skf18("5","8","10","10","10","6","1") = "9"
    & skf18("5","8","10","10","10","7","1") = "9"
    & skf18("5","8","10","10","10","8","1") = "9"
    & skf18("5","8","10","10","10","9","1") = "9"
    & skf18("5","8","10","10","10","10","1") = "9"
    & skf18("5","9","1","1","1","1","1") = "8"
    & skf18("5","9","1","1","1","2","1") = "8"
    & skf18("5","9","1","1","1","3","1") = "8"
    & skf18("5","9","1","1","1","4","1") = "8"
    & skf18("5","9","1","1","1","5","1") = "8"
    & skf18("5","9","1","1","1","6","1") = "8"
    & skf18("5","9","1","1","1","7","1") = "8"
    & skf18("5","9","1","1","1","8","1") = "8"
    & skf18("5","9","1","1","1","9","1") = "8"
    & skf18("5","9","1","1","1","10","1") = "9"
    & skf18("5","9","1","1","2","1","1") = "8"
    & skf18("5","9","1","1","2","2","1") = "8"
    & skf18("5","9","1","1","2","3","1") = "8"
    & skf18("5","9","1","1","2","4","1") = "8"
    & skf18("5","9","1","1","2","5","1") = "8"
    & skf18("5","9","1","1","2","6","1") = "8"
    & skf18("5","9","1","1","2","7","1") = "8"
    & skf18("5","9","1","1","2","8","1") = "8"
    & skf18("5","9","1","1","2","9","1") = "8"
    & skf18("5","9","1","1","2","10","1") = "9"
    & skf18("5","9","1","1","3","1","1") = "8"
    & skf18("5","9","1","1","3","2","1") = "8"
    & skf18("5","9","1","1","3","3","1") = "8"
    & skf18("5","9","1","1","3","4","1") = "8"
    & skf18("5","9","1","1","3","5","1") = "8"
    & skf18("5","9","1","1","3","6","1") = "8"
    & skf18("5","9","1","1","3","7","1") = "8"
    & skf18("5","9","1","1","3","8","1") = "8"
    & skf18("5","9","1","1","3","9","1") = "8"
    & skf18("5","9","1","1","3","10","1") = "9"
    & skf18("5","9","1","1","4","1","1") = "8"
    & skf18("5","9","1","1","4","2","1") = "8"
    & skf18("5","9","1","1","4","3","1") = "8"
    & skf18("5","9","1","1","4","4","1") = "8"
    & skf18("5","9","1","1","4","5","1") = "8"
    & skf18("5","9","1","1","4","6","1") = "8"
    & skf18("5","9","1","1","4","7","1") = "8"
    & skf18("5","9","1","1","4","8","1") = "8"
    & skf18("5","9","1","1","4","9","1") = "8"
    & skf18("5","9","1","1","4","10","1") = "9"
    & skf18("5","9","1","1","5","1","1") = "8"
    & skf18("5","9","1","1","5","2","1") = "8"
    & skf18("5","9","1","1","5","3","1") = "8"
    & skf18("5","9","1","1","5","4","1") = "8"
    & skf18("5","9","1","1","5","5","1") = "8"
    & skf18("5","9","1","1","5","6","1") = "8"
    & skf18("5","9","1","1","5","7","1") = "8"
    & skf18("5","9","1","1","5","8","1") = "8"
    & skf18("5","9","1","1","5","9","1") = "8"
    & skf18("5","9","1","1","5","10","1") = "9"
    & skf18("5","9","1","1","6","1","1") = "8"
    & skf18("5","9","1","1","6","2","1") = "8"
    & skf18("5","9","1","1","6","3","1") = "8"
    & skf18("5","9","1","1","6","4","1") = "8"
    & skf18("5","9","1","1","6","5","1") = "8"
    & skf18("5","9","1","1","6","6","1") = "8"
    & skf18("5","9","1","1","6","7","1") = "8"
    & skf18("5","9","1","1","6","8","1") = "8"
    & skf18("5","9","1","1","6","9","1") = "8"
    & skf18("5","9","1","1","6","10","1") = "9"
    & skf18("5","9","1","1","7","1","1") = "8"
    & skf18("5","9","1","1","7","2","1") = "8"
    & skf18("5","9","1","1","7","3","1") = "8"
    & skf18("5","9","1","1","7","4","1") = "8"
    & skf18("5","9","1","1","7","5","1") = "8"
    & skf18("5","9","1","1","7","6","1") = "8"
    & skf18("5","9","1","1","7","7","1") = "8"
    & skf18("5","9","1","1","7","8","1") = "8"
    & skf18("5","9","1","1","7","9","1") = "8"
    & skf18("5","9","1","1","7","10","1") = "9"
    & skf18("5","9","1","1","8","1","1") = "8"
    & skf18("5","9","1","1","8","2","1") = "8"
    & skf18("5","9","1","1","8","3","1") = "8"
    & skf18("5","9","1","1","8","4","1") = "8"
    & skf18("5","9","1","1","8","5","1") = "8"
    & skf18("5","9","1","1","8","6","1") = "8"
    & skf18("5","9","1","1","8","7","1") = "8"
    & skf18("5","9","1","1","8","8","1") = "8"
    & skf18("5","9","1","1","8","9","1") = "8"
    & skf18("5","9","1","1","8","10","1") = "9"
    & skf18("5","9","1","1","9","1","1") = "8"
    & skf18("5","9","1","1","9","2","1") = "8"
    & skf18("5","9","1","1","9","3","1") = "8"
    & skf18("5","9","1","1","9","4","1") = "8"
    & skf18("5","9","1","1","9","5","1") = "8"
    & skf18("5","9","1","1","9","6","1") = "8"
    & skf18("5","9","1","1","9","7","1") = "8"
    & skf18("5","9","1","1","9","8","1") = "8"
    & skf18("5","9","1","1","9","9","1") = "8"
    & skf18("5","9","1","1","9","10","1") = "9"
    & skf18("5","9","1","1","10","1","1") = "9"
    & skf18("5","9","1","1","10","2","1") = "9"
    & skf18("5","9","1","1","10","3","1") = "9"
    & skf18("5","9","1","1","10","4","1") = "9"
    & skf18("5","9","1","1","10","5","1") = "9"
    & skf18("5","9","1","1","10","6","1") = "9"
    & skf18("5","9","1","1","10","7","1") = "9"
    & skf18("5","9","1","1","10","8","1") = "9"
    & skf18("5","9","1","1","10","9","1") = "9"
    & skf18("5","9","1","1","10","10","1") = "9"
    & skf18("5","9","1","2","1","1","1") = "8"
    & skf18("5","9","1","2","1","2","1") = "8"
    & skf18("5","9","1","2","1","3","1") = "8"
    & skf18("5","9","1","2","1","4","1") = "8"
    & skf18("5","9","1","2","1","5","1") = "8"
    & skf18("5","9","1","2","1","6","1") = "8"
    & skf18("5","9","1","2","1","7","1") = "8"
    & skf18("5","9","1","2","1","8","1") = "8"
    & skf18("5","9","1","2","1","9","1") = "8"
    & skf18("5","9","1","2","1","10","1") = "9"
    & skf18("5","9","1","2","2","1","1") = "8"
    & skf18("5","9","1","2","2","2","1") = "8"
    & skf18("5","9","1","2","2","3","1") = "8"
    & skf18("5","9","1","2","2","4","1") = "8"
    & skf18("5","9","1","2","2","5","1") = "8"
    & skf18("5","9","1","2","2","6","1") = "8"
    & skf18("5","9","1","2","2","7","1") = "8"
    & skf18("5","9","1","2","2","8","1") = "8"
    & skf18("5","9","1","2","2","9","1") = "8"
    & skf18("5","9","1","2","2","10","1") = "9"
    & skf18("5","9","1","2","3","1","1") = "8"
    & skf18("5","9","1","2","3","2","1") = "8"
    & skf18("5","9","1","2","3","3","1") = "8"
    & skf18("5","9","1","2","3","4","1") = "8"
    & skf18("5","9","1","2","3","5","1") = "8"
    & skf18("5","9","1","2","3","6","1") = "8"
    & skf18("5","9","1","2","3","7","1") = "8"
    & skf18("5","9","1","2","3","8","1") = "8"
    & skf18("5","9","1","2","3","9","1") = "8"
    & skf18("5","9","1","2","3","10","1") = "9"
    & skf18("5","9","1","2","4","1","1") = "8"
    & skf18("5","9","1","2","4","2","1") = "8"
    & skf18("5","9","1","2","4","3","1") = "8"
    & skf18("5","9","1","2","4","4","1") = "8"
    & skf18("5","9","1","2","4","5","1") = "8"
    & skf18("5","9","1","2","4","6","1") = "8"
    & skf18("5","9","1","2","4","7","1") = "8"
    & skf18("5","9","1","2","4","8","1") = "8"
    & skf18("5","9","1","2","4","9","1") = "8"
    & skf18("5","9","1","2","4","10","1") = "9"
    & skf18("5","9","1","2","5","1","1") = "8"
    & skf18("5","9","1","2","5","2","1") = "8"
    & skf18("5","9","1","2","5","3","1") = "8"
    & skf18("5","9","1","2","5","4","1") = "8"
    & skf18("5","9","1","2","5","5","1") = "8"
    & skf18("5","9","1","2","5","6","1") = "8"
    & skf18("5","9","1","2","5","7","1") = "8"
    & skf18("5","9","1","2","5","8","1") = "8"
    & skf18("5","9","1","2","5","9","1") = "8"
    & skf18("5","9","1","2","5","10","1") = "9"
    & skf18("5","9","1","2","6","1","1") = "8"
    & skf18("5","9","1","2","6","2","1") = "8"
    & skf18("5","9","1","2","6","3","1") = "8"
    & skf18("5","9","1","2","6","4","1") = "8"
    & skf18("5","9","1","2","6","5","1") = "8"
    & skf18("5","9","1","2","6","6","1") = "8"
    & skf18("5","9","1","2","6","7","1") = "8"
    & skf18("5","9","1","2","6","8","1") = "8"
    & skf18("5","9","1","2","6","9","1") = "8"
    & skf18("5","9","1","2","6","10","1") = "9"
    & skf18("5","9","1","2","7","1","1") = "8"
    & skf18("5","9","1","2","7","2","1") = "8"
    & skf18("5","9","1","2","7","3","1") = "8"
    & skf18("5","9","1","2","7","4","1") = "8"
    & skf18("5","9","1","2","7","5","1") = "8"
    & skf18("5","9","1","2","7","6","1") = "8"
    & skf18("5","9","1","2","7","7","1") = "8"
    & skf18("5","9","1","2","7","8","1") = "8"
    & skf18("5","9","1","2","7","9","1") = "8"
    & skf18("5","9","1","2","7","10","1") = "9"
    & skf18("5","9","1","2","8","1","1") = "8"
    & skf18("5","9","1","2","8","2","1") = "8"
    & skf18("5","9","1","2","8","3","1") = "8"
    & skf18("5","9","1","2","8","4","1") = "8"
    & skf18("5","9","1","2","8","5","1") = "8"
    & skf18("5","9","1","2","8","6","1") = "8"
    & skf18("5","9","1","2","8","7","1") = "8"
    & skf18("5","9","1","2","8","8","1") = "8"
    & skf18("5","9","1","2","8","9","1") = "8"
    & skf18("5","9","1","2","8","10","1") = "9"
    & skf18("5","9","1","2","9","1","1") = "8"
    & skf18("5","9","1","2","9","2","1") = "8"
    & skf18("5","9","1","2","9","3","1") = "8"
    & skf18("5","9","1","2","9","4","1") = "8"
    & skf18("5","9","1","2","9","5","1") = "8"
    & skf18("5","9","1","2","9","6","1") = "8"
    & skf18("5","9","1","2","9","7","1") = "8"
    & skf18("5","9","1","2","9","8","1") = "8"
    & skf18("5","9","1","2","9","9","1") = "8"
    & skf18("5","9","1","2","9","10","1") = "9"
    & skf18("5","9","1","2","10","1","1") = "9"
    & skf18("5","9","1","2","10","2","1") = "9"
    & skf18("5","9","1","2","10","3","1") = "9"
    & skf18("5","9","1","2","10","4","1") = "9"
    & skf18("5","9","1","2","10","5","1") = "9"
    & skf18("5","9","1","2","10","6","1") = "9"
    & skf18("5","9","1","2","10","7","1") = "9"
    & skf18("5","9","1","2","10","8","1") = "9"
    & skf18("5","9","1","2","10","9","1") = "9"
    & skf18("5","9","1","2","10","10","1") = "9"
    & skf18("5","9","1","3","1","1","1") = "8"
    & skf18("5","9","1","3","1","2","1") = "8"
    & skf18("5","9","1","3","1","3","1") = "8"
    & skf18("5","9","1","3","1","4","1") = "8"
    & skf18("5","9","1","3","1","5","1") = "8"
    & skf18("5","9","1","3","1","6","1") = "8"
    & skf18("5","9","1","3","1","7","1") = "8"
    & skf18("5","9","1","3","1","8","1") = "8"
    & skf18("5","9","1","3","1","9","1") = "8"
    & skf18("5","9","1","3","1","10","1") = "9"
    & skf18("5","9","1","3","2","1","1") = "8"
    & skf18("5","9","1","3","2","2","1") = "8"
    & skf18("5","9","1","3","2","3","1") = "8"
    & skf18("5","9","1","3","2","4","1") = "8"
    & skf18("5","9","1","3","2","5","1") = "8"
    & skf18("5","9","1","3","2","6","1") = "8"
    & skf18("5","9","1","3","2","7","1") = "8"
    & skf18("5","9","1","3","2","8","1") = "8"
    & skf18("5","9","1","3","2","9","1") = "8"
    & skf18("5","9","1","3","2","10","1") = "9"
    & skf18("5","9","1","3","3","1","1") = "8"
    & skf18("5","9","1","3","3","2","1") = "8"
    & skf18("5","9","1","3","3","3","1") = "8"
    & skf18("5","9","1","3","3","4","1") = "8"
    & skf18("5","9","1","3","3","5","1") = "8"
    & skf18("5","9","1","3","3","6","1") = "8"
    & skf18("5","9","1","3","3","7","1") = "8"
    & skf18("5","9","1","3","3","8","1") = "8"
    & skf18("5","9","1","3","3","9","1") = "8"
    & skf18("5","9","1","3","3","10","1") = "9"
    & skf18("5","9","1","3","4","1","1") = "8"
    & skf18("5","9","1","3","4","2","1") = "8"
    & skf18("5","9","1","3","4","3","1") = "8"
    & skf18("5","9","1","3","4","4","1") = "8"
    & skf18("5","9","1","3","4","5","1") = "8"
    & skf18("5","9","1","3","4","6","1") = "8"
    & skf18("5","9","1","3","4","7","1") = "8"
    & skf18("5","9","1","3","4","8","1") = "8"
    & skf18("5","9","1","3","4","9","1") = "8"
    & skf18("5","9","1","3","4","10","1") = "9"
    & skf18("5","9","1","3","5","1","1") = "8"
    & skf18("5","9","1","3","5","2","1") = "8"
    & skf18("5","9","1","3","5","3","1") = "8"
    & skf18("5","9","1","3","5","4","1") = "8"
    & skf18("5","9","1","3","5","5","1") = "8"
    & skf18("5","9","1","3","5","6","1") = "8"
    & skf18("5","9","1","3","5","7","1") = "8"
    & skf18("5","9","1","3","5","8","1") = "8"
    & skf18("5","9","1","3","5","9","1") = "8"
    & skf18("5","9","1","3","5","10","1") = "9"
    & skf18("5","9","1","3","6","1","1") = "8"
    & skf18("5","9","1","3","6","2","1") = "8"
    & skf18("5","9","1","3","6","3","1") = "8"
    & skf18("5","9","1","3","6","4","1") = "8"
    & skf18("5","9","1","3","6","5","1") = "8"
    & skf18("5","9","1","3","6","6","1") = "8"
    & skf18("5","9","1","3","6","7","1") = "8"
    & skf18("5","9","1","3","6","8","1") = "8"
    & skf18("5","9","1","3","6","9","1") = "8"
    & skf18("5","9","1","3","6","10","1") = "9"
    & skf18("5","9","1","3","7","1","1") = "8"
    & skf18("5","9","1","3","7","2","1") = "8"
    & skf18("5","9","1","3","7","3","1") = "8"
    & skf18("5","9","1","3","7","4","1") = "8"
    & skf18("5","9","1","3","7","5","1") = "8"
    & skf18("5","9","1","3","7","6","1") = "8"
    & skf18("5","9","1","3","7","7","1") = "8"
    & skf18("5","9","1","3","7","8","1") = "8"
    & skf18("5","9","1","3","7","9","1") = "8"
    & skf18("5","9","1","3","7","10","1") = "9"
    & skf18("5","9","1","3","8","1","1") = "8"
    & skf18("5","9","1","3","8","2","1") = "8"
    & skf18("5","9","1","3","8","3","1") = "8"
    & skf18("5","9","1","3","8","4","1") = "8"
    & skf18("5","9","1","3","8","5","1") = "8"
    & skf18("5","9","1","3","8","6","1") = "8"
    & skf18("5","9","1","3","8","7","1") = "8"
    & skf18("5","9","1","3","8","8","1") = "8"
    & skf18("5","9","1","3","8","9","1") = "8"
    & skf18("5","9","1","3","8","10","1") = "9"
    & skf18("5","9","1","3","9","1","1") = "8"
    & skf18("5","9","1","3","9","2","1") = "8"
    & skf18("5","9","1","3","9","3","1") = "8"
    & skf18("5","9","1","3","9","4","1") = "8"
    & skf18("5","9","1","3","9","5","1") = "8"
    & skf18("5","9","1","3","9","6","1") = "8"
    & skf18("5","9","1","3","9","7","1") = "8"
    & skf18("5","9","1","3","9","8","1") = "8"
    & skf18("5","9","1","3","9","9","1") = "8"
    & skf18("5","9","1","3","9","10","1") = "9"
    & skf18("5","9","1","3","10","1","1") = "9"
    & skf18("5","9","1","3","10","2","1") = "9"
    & skf18("5","9","1","3","10","3","1") = "9"
    & skf18("5","9","1","3","10","4","1") = "9"
    & skf18("5","9","1","3","10","5","1") = "9"
    & skf18("5","9","1","3","10","6","1") = "9"
    & skf18("5","9","1","3","10","7","1") = "9"
    & skf18("5","9","1","3","10","8","1") = "9"
    & skf18("5","9","1","3","10","9","1") = "9"
    & skf18("5","9","1","3","10","10","1") = "9"
    & skf18("5","9","1","4","1","1","1") = "8"
    & skf18("5","9","1","4","1","2","1") = "8"
    & skf18("5","9","1","4","1","3","1") = "8"
    & skf18("5","9","1","4","1","4","1") = "8"
    & skf18("5","9","1","4","1","5","1") = "8"
    & skf18("5","9","1","4","1","6","1") = "8"
    & skf18("5","9","1","4","1","7","1") = "8"
    & skf18("5","9","1","4","1","8","1") = "8"
    & skf18("5","9","1","4","1","9","1") = "8"
    & skf18("5","9","1","4","1","10","1") = "9"
    & skf18("5","9","1","4","2","1","1") = "8"
    & skf18("5","9","1","4","2","2","1") = "8"
    & skf18("5","9","1","4","2","3","1") = "8"
    & skf18("5","9","1","4","2","4","1") = "8"
    & skf18("5","9","1","4","2","5","1") = "8"
    & skf18("5","9","1","4","2","6","1") = "8"
    & skf18("5","9","1","4","2","7","1") = "8"
    & skf18("5","9","1","4","2","8","1") = "8"
    & skf18("5","9","1","4","2","9","1") = "8"
    & skf18("5","9","1","4","2","10","1") = "9"
    & skf18("5","9","1","4","3","1","1") = "8"
    & skf18("5","9","1","4","3","2","1") = "8"
    & skf18("5","9","1","4","3","3","1") = "8"
    & skf18("5","9","1","4","3","4","1") = "8"
    & skf18("5","9","1","4","3","5","1") = "8"
    & skf18("5","9","1","4","3","6","1") = "8"
    & skf18("5","9","1","4","3","7","1") = "8"
    & skf18("5","9","1","4","3","8","1") = "8"
    & skf18("5","9","1","4","3","9","1") = "8"
    & skf18("5","9","1","4","3","10","1") = "9"
    & skf18("5","9","1","4","4","1","1") = "8"
    & skf18("5","9","1","4","4","2","1") = "8"
    & skf18("5","9","1","4","4","3","1") = "8"
    & skf18("5","9","1","4","4","4","1") = "8"
    & skf18("5","9","1","4","4","5","1") = "8"
    & skf18("5","9","1","4","4","6","1") = "8"
    & skf18("5","9","1","4","4","7","1") = "8"
    & skf18("5","9","1","4","4","8","1") = "8"
    & skf18("5","9","1","4","4","9","1") = "8"
    & skf18("5","9","1","4","4","10","1") = "9"
    & skf18("5","9","1","4","5","1","1") = "8"
    & skf18("5","9","1","4","5","2","1") = "8"
    & skf18("5","9","1","4","5","3","1") = "8"
    & skf18("5","9","1","4","5","4","1") = "8"
    & skf18("5","9","1","4","5","5","1") = "8"
    & skf18("5","9","1","4","5","6","1") = "8"
    & skf18("5","9","1","4","5","7","1") = "8"
    & skf18("5","9","1","4","5","8","1") = "8"
    & skf18("5","9","1","4","5","9","1") = "8"
    & skf18("5","9","1","4","5","10","1") = "9"
    & skf18("5","9","1","4","6","1","1") = "8"
    & skf18("5","9","1","4","6","2","1") = "8"
    & skf18("5","9","1","4","6","3","1") = "8"
    & skf18("5","9","1","4","6","4","1") = "8"
    & skf18("5","9","1","4","6","5","1") = "8"
    & skf18("5","9","1","4","6","6","1") = "8"
    & skf18("5","9","1","4","6","7","1") = "8"
    & skf18("5","9","1","4","6","8","1") = "8"
    & skf18("5","9","1","4","6","9","1") = "8"
    & skf18("5","9","1","4","6","10","1") = "9"
    & skf18("5","9","1","4","7","1","1") = "8"
    & skf18("5","9","1","4","7","2","1") = "8"
    & skf18("5","9","1","4","7","3","1") = "8"
    & skf18("5","9","1","4","7","4","1") = "8"
    & skf18("5","9","1","4","7","5","1") = "8"
    & skf18("5","9","1","4","7","6","1") = "8"
    & skf18("5","9","1","4","7","7","1") = "8"
    & skf18("5","9","1","4","7","8","1") = "8"
    & skf18("5","9","1","4","7","9","1") = "8"
    & skf18("5","9","1","4","7","10","1") = "9"
    & skf18("5","9","1","4","8","1","1") = "8"
    & skf18("5","9","1","4","8","2","1") = "8"
    & skf18("5","9","1","4","8","3","1") = "8"
    & skf18("5","9","1","4","8","4","1") = "8"
    & skf18("5","9","1","4","8","5","1") = "8"
    & skf18("5","9","1","4","8","6","1") = "8"
    & skf18("5","9","1","4","8","7","1") = "8"
    & skf18("5","9","1","4","8","8","1") = "8"
    & skf18("5","9","1","4","8","9","1") = "8"
    & skf18("5","9","1","4","8","10","1") = "9"
    & skf18("5","9","1","4","9","1","1") = "8"
    & skf18("5","9","1","4","9","2","1") = "8"
    & skf18("5","9","1","4","9","3","1") = "8"
    & skf18("5","9","1","4","9","4","1") = "8"
    & skf18("5","9","1","4","9","5","1") = "8"
    & skf18("5","9","1","4","9","6","1") = "8"
    & skf18("5","9","1","4","9","7","1") = "8"
    & skf18("5","9","1","4","9","8","1") = "8"
    & skf18("5","9","1","4","9","9","1") = "8"
    & skf18("5","9","1","4","9","10","1") = "9"
    & skf18("5","9","1","4","10","1","1") = "9"
    & skf18("5","9","1","4","10","2","1") = "9"
    & skf18("5","9","1","4","10","3","1") = "9"
    & skf18("5","9","1","4","10","4","1") = "9"
    & skf18("5","9","1","4","10","5","1") = "9"
    & skf18("5","9","1","4","10","6","1") = "9"
    & skf18("5","9","1","4","10","7","1") = "9"
    & skf18("5","9","1","4","10","8","1") = "9"
    & skf18("5","9","1","4","10","9","1") = "9"
    & skf18("5","9","1","4","10","10","1") = "9"
    & skf18("5","9","1","5","1","1","1") = "8"
    & skf18("5","9","1","5","1","2","1") = "8"
    & skf18("5","9","1","5","1","3","1") = "8"
    & skf18("5","9","1","5","1","4","1") = "8"
    & skf18("5","9","1","5","1","5","1") = "8"
    & skf18("5","9","1","5","1","6","1") = "8"
    & skf18("5","9","1","5","1","7","1") = "8"
    & skf18("5","9","1","5","1","8","1") = "8"
    & skf18("5","9","1","5","1","9","1") = "8"
    & skf18("5","9","1","5","1","10","1") = "9"
    & skf18("5","9","1","5","2","1","1") = "8"
    & skf18("5","9","1","5","2","2","1") = "8"
    & skf18("5","9","1","5","2","3","1") = "8"
    & skf18("5","9","1","5","2","4","1") = "8"
    & skf18("5","9","1","5","2","5","1") = "8"
    & skf18("5","9","1","5","2","6","1") = "8"
    & skf18("5","9","1","5","2","7","1") = "8"
    & skf18("5","9","1","5","2","8","1") = "8"
    & skf18("5","9","1","5","2","9","1") = "8"
    & skf18("5","9","1","5","2","10","1") = "9"
    & skf18("5","9","1","5","3","1","1") = "8"
    & skf18("5","9","1","5","3","2","1") = "8"
    & skf18("5","9","1","5","3","3","1") = "8"
    & skf18("5","9","1","5","3","4","1") = "8"
    & skf18("5","9","1","5","3","5","1") = "8"
    & skf18("5","9","1","5","3","6","1") = "8"
    & skf18("5","9","1","5","3","7","1") = "8"
    & skf18("5","9","1","5","3","8","1") = "8"
    & skf18("5","9","1","5","3","9","1") = "8"
    & skf18("5","9","1","5","3","10","1") = "9"
    & skf18("5","9","1","5","4","1","1") = "8"
    & skf18("5","9","1","5","4","2","1") = "8"
    & skf18("5","9","1","5","4","3","1") = "8"
    & skf18("5","9","1","5","4","4","1") = "8"
    & skf18("5","9","1","5","4","5","1") = "8"
    & skf18("5","9","1","5","4","6","1") = "8"
    & skf18("5","9","1","5","4","7","1") = "8"
    & skf18("5","9","1","5","4","8","1") = "8"
    & skf18("5","9","1","5","4","9","1") = "8"
    & skf18("5","9","1","5","4","10","1") = "9"
    & skf18("5","9","1","5","5","1","1") = "8"
    & skf18("5","9","1","5","5","2","1") = "8"
    & skf18("5","9","1","5","5","3","1") = "8"
    & skf18("5","9","1","5","5","4","1") = "8"
    & skf18("5","9","1","5","5","5","1") = "8"
    & skf18("5","9","1","5","5","6","1") = "8"
    & skf18("5","9","1","5","5","7","1") = "8"
    & skf18("5","9","1","5","5","8","1") = "8"
    & skf18("5","9","1","5","5","9","1") = "8"
    & skf18("5","9","1","5","5","10","1") = "9"
    & skf18("5","9","1","5","6","1","1") = "8"
    & skf18("5","9","1","5","6","2","1") = "8"
    & skf18("5","9","1","5","6","3","1") = "8"
    & skf18("5","9","1","5","6","4","1") = "8"
    & skf18("5","9","1","5","6","5","1") = "8"
    & skf18("5","9","1","5","6","6","1") = "8"
    & skf18("5","9","1","5","6","7","1") = "8"
    & skf18("5","9","1","5","6","8","1") = "8"
    & skf18("5","9","1","5","6","9","1") = "8"
    & skf18("5","9","1","5","6","10","1") = "9"
    & skf18("5","9","1","5","7","1","1") = "8"
    & skf18("5","9","1","5","7","2","1") = "8"
    & skf18("5","9","1","5","7","3","1") = "8"
    & skf18("5","9","1","5","7","4","1") = "8"
    & skf18("5","9","1","5","7","5","1") = "8"
    & skf18("5","9","1","5","7","6","1") = "8"
    & skf18("5","9","1","5","7","7","1") = "8"
    & skf18("5","9","1","5","7","8","1") = "8"
    & skf18("5","9","1","5","7","9","1") = "8"
    & skf18("5","9","1","5","7","10","1") = "9"
    & skf18("5","9","1","5","8","1","1") = "8"
    & skf18("5","9","1","5","8","2","1") = "8"
    & skf18("5","9","1","5","8","3","1") = "8"
    & skf18("5","9","1","5","8","4","1") = "8"
    & skf18("5","9","1","5","8","5","1") = "8"
    & skf18("5","9","1","5","8","6","1") = "8"
    & skf18("5","9","1","5","8","7","1") = "8"
    & skf18("5","9","1","5","8","8","1") = "8"
    & skf18("5","9","1","5","8","9","1") = "8"
    & skf18("5","9","1","5","8","10","1") = "9"
    & skf18("5","9","1","5","9","1","1") = "8"
    & skf18("5","9","1","5","9","2","1") = "8"
    & skf18("5","9","1","5","9","3","1") = "8"
    & skf18("5","9","1","5","9","4","1") = "8"
    & skf18("5","9","1","5","9","5","1") = "8"
    & skf18("5","9","1","5","9","6","1") = "8"
    & skf18("5","9","1","5","9","7","1") = "8"
    & skf18("5","9","1","5","9","8","1") = "8"
    & skf18("5","9","1","5","9","9","1") = "8"
    & skf18("5","9","1","5","9","10","1") = "9"
    & skf18("5","9","1","5","10","1","1") = "9"
    & skf18("5","9","1","5","10","2","1") = "9"
    & skf18("5","9","1","5","10","3","1") = "9"
    & skf18("5","9","1","5","10","4","1") = "9"
    & skf18("5","9","1","5","10","5","1") = "9"
    & skf18("5","9","1","5","10","6","1") = "9"
    & skf18("5","9","1","5","10","7","1") = "9"
    & skf18("5","9","1","5","10","8","1") = "9"
    & skf18("5","9","1","5","10","9","1") = "9"
    & skf18("5","9","1","5","10","10","1") = "9"
    & skf18("5","9","1","6","1","1","1") = "8"
    & skf18("5","9","1","6","1","2","1") = "8"
    & skf18("5","9","1","6","1","3","1") = "8"
    & skf18("5","9","1","6","1","4","1") = "8"
    & skf18("5","9","1","6","1","5","1") = "8"
    & skf18("5","9","1","6","1","6","1") = "8"
    & skf18("5","9","1","6","1","7","1") = "8"
    & skf18("5","9","1","6","1","8","1") = "8"
    & skf18("5","9","1","6","1","9","1") = "8"
    & skf18("5","9","1","6","1","10","1") = "9"
    & skf18("5","9","1","6","2","1","1") = "8"
    & skf18("5","9","1","6","2","2","1") = "8"
    & skf18("5","9","1","6","2","3","1") = "8"
    & skf18("5","9","1","6","2","4","1") = "8"
    & skf18("5","9","1","6","2","5","1") = "8"
    & skf18("5","9","1","6","2","6","1") = "8"
    & skf18("5","9","1","6","2","7","1") = "8"
    & skf18("5","9","1","6","2","8","1") = "8"
    & skf18("5","9","1","6","2","9","1") = "8"
    & skf18("5","9","1","6","2","10","1") = "9"
    & skf18("5","9","1","6","3","1","1") = "8"
    & skf18("5","9","1","6","3","2","1") = "8"
    & skf18("5","9","1","6","3","3","1") = "8"
    & skf18("5","9","1","6","3","4","1") = "8"
    & skf18("5","9","1","6","3","5","1") = "8"
    & skf18("5","9","1","6","3","6","1") = "8"
    & skf18("5","9","1","6","3","7","1") = "8"
    & skf18("5","9","1","6","3","8","1") = "8"
    & skf18("5","9","1","6","3","9","1") = "8"
    & skf18("5","9","1","6","3","10","1") = "9"
    & skf18("5","9","1","6","4","1","1") = "8"
    & skf18("5","9","1","6","4","2","1") = "8"
    & skf18("5","9","1","6","4","3","1") = "8"
    & skf18("5","9","1","6","4","4","1") = "8"
    & skf18("5","9","1","6","4","5","1") = "8"
    & skf18("5","9","1","6","4","6","1") = "8"
    & skf18("5","9","1","6","4","7","1") = "8"
    & skf18("5","9","1","6","4","8","1") = "8"
    & skf18("5","9","1","6","4","9","1") = "8"
    & skf18("5","9","1","6","4","10","1") = "9"
    & skf18("5","9","1","6","5","1","1") = "8"
    & skf18("5","9","1","6","5","2","1") = "8"
    & skf18("5","9","1","6","5","3","1") = "8"
    & skf18("5","9","1","6","5","4","1") = "8"
    & skf18("5","9","1","6","5","5","1") = "8"
    & skf18("5","9","1","6","5","6","1") = "8"
    & skf18("5","9","1","6","5","7","1") = "8"
    & skf18("5","9","1","6","5","8","1") = "8"
    & skf18("5","9","1","6","5","9","1") = "8"
    & skf18("5","9","1","6","5","10","1") = "9"
    & skf18("5","9","1","6","6","1","1") = "8"
    & skf18("5","9","1","6","6","2","1") = "8"
    & skf18("5","9","1","6","6","3","1") = "8"
    & skf18("5","9","1","6","6","4","1") = "8"
    & skf18("5","9","1","6","6","5","1") = "8"
    & skf18("5","9","1","6","6","6","1") = "8"
    & skf18("5","9","1","6","6","7","1") = "8"
    & skf18("5","9","1","6","6","8","1") = "8"
    & skf18("5","9","1","6","6","9","1") = "8"
    & skf18("5","9","1","6","6","10","1") = "9"
    & skf18("5","9","1","6","7","1","1") = "8"
    & skf18("5","9","1","6","7","2","1") = "8"
    & skf18("5","9","1","6","7","3","1") = "8"
    & skf18("5","9","1","6","7","4","1") = "8"
    & skf18("5","9","1","6","7","5","1") = "8"
    & skf18("5","9","1","6","7","6","1") = "8"
    & skf18("5","9","1","6","7","7","1") = "8"
    & skf18("5","9","1","6","7","8","1") = "8"
    & skf18("5","9","1","6","7","9","1") = "8"
    & skf18("5","9","1","6","7","10","1") = "9"
    & skf18("5","9","1","6","8","1","1") = "8"
    & skf18("5","9","1","6","8","2","1") = "8"
    & skf18("5","9","1","6","8","3","1") = "8"
    & skf18("5","9","1","6","8","4","1") = "8"
    & skf18("5","9","1","6","8","5","1") = "8"
    & skf18("5","9","1","6","8","6","1") = "8"
    & skf18("5","9","1","6","8","7","1") = "8"
    & skf18("5","9","1","6","8","8","1") = "8"
    & skf18("5","9","1","6","8","9","1") = "8"
    & skf18("5","9","1","6","8","10","1") = "9"
    & skf18("5","9","1","6","9","1","1") = "8"
    & skf18("5","9","1","6","9","2","1") = "8"
    & skf18("5","9","1","6","9","3","1") = "8"
    & skf18("5","9","1","6","9","4","1") = "8"
    & skf18("5","9","1","6","9","5","1") = "8"
    & skf18("5","9","1","6","9","6","1") = "8"
    & skf18("5","9","1","6","9","7","1") = "8"
    & skf18("5","9","1","6","9","8","1") = "8"
    & skf18("5","9","1","6","9","9","1") = "8"
    & skf18("5","9","1","6","9","10","1") = "9"
    & skf18("5","9","1","6","10","1","1") = "9"
    & skf18("5","9","1","6","10","2","1") = "9"
    & skf18("5","9","1","6","10","3","1") = "9"
    & skf18("5","9","1","6","10","4","1") = "9"
    & skf18("5","9","1","6","10","5","1") = "9"
    & skf18("5","9","1","6","10","6","1") = "9"
    & skf18("5","9","1","6","10","7","1") = "9"
    & skf18("5","9","1","6","10","8","1") = "9"
    & skf18("5","9","1","6","10","9","1") = "9"
    & skf18("5","9","1","6","10","10","1") = "9"
    & skf18("5","9","1","7","1","1","1") = "8"
    & skf18("5","9","1","7","1","2","1") = "8"
    & skf18("5","9","1","7","1","3","1") = "8"
    & skf18("5","9","1","7","1","4","1") = "8"
    & skf18("5","9","1","7","1","5","1") = "8"
    & skf18("5","9","1","7","1","6","1") = "8"
    & skf18("5","9","1","7","1","7","1") = "8"
    & skf18("5","9","1","7","1","8","1") = "8"
    & skf18("5","9","1","7","1","9","1") = "8"
    & skf18("5","9","1","7","1","10","1") = "9"
    & skf18("5","9","1","7","2","1","1") = "8"
    & skf18("5","9","1","7","2","2","1") = "8"
    & skf18("5","9","1","7","2","3","1") = "8"
    & skf18("5","9","1","7","2","4","1") = "8"
    & skf18("5","9","1","7","2","5","1") = "8"
    & skf18("5","9","1","7","2","6","1") = "8"
    & skf18("5","9","1","7","2","7","1") = "8"
    & skf18("5","9","1","7","2","8","1") = "8"
    & skf18("5","9","1","7","2","9","1") = "8"
    & skf18("5","9","1","7","2","10","1") = "9"
    & skf18("5","9","1","7","3","1","1") = "8"
    & skf18("5","9","1","7","3","2","1") = "8"
    & skf18("5","9","1","7","3","3","1") = "8"
    & skf18("5","9","1","7","3","4","1") = "8"
    & skf18("5","9","1","7","3","5","1") = "8"
    & skf18("5","9","1","7","3","6","1") = "8"
    & skf18("5","9","1","7","3","7","1") = "8"
    & skf18("5","9","1","7","3","8","1") = "8"
    & skf18("5","9","1","7","3","9","1") = "8"
    & skf18("5","9","1","7","3","10","1") = "9"
    & skf18("5","9","1","7","4","1","1") = "8"
    & skf18("5","9","1","7","4","2","1") = "8"
    & skf18("5","9","1","7","4","3","1") = "8"
    & skf18("5","9","1","7","4","4","1") = "8"
    & skf18("5","9","1","7","4","5","1") = "8"
    & skf18("5","9","1","7","4","6","1") = "8"
    & skf18("5","9","1","7","4","7","1") = "8"
    & skf18("5","9","1","7","4","8","1") = "8"
    & skf18("5","9","1","7","4","9","1") = "8"
    & skf18("5","9","1","7","4","10","1") = "9"
    & skf18("5","9","1","7","5","1","1") = "8"
    & skf18("5","9","1","7","5","2","1") = "8"
    & skf18("5","9","1","7","5","3","1") = "8"
    & skf18("5","9","1","7","5","4","1") = "8"
    & skf18("5","9","1","7","5","5","1") = "8"
    & skf18("5","9","1","7","5","6","1") = "8"
    & skf18("5","9","1","7","5","7","1") = "8"
    & skf18("5","9","1","7","5","8","1") = "8"
    & skf18("5","9","1","7","5","9","1") = "8"
    & skf18("5","9","1","7","5","10","1") = "9"
    & skf18("5","9","1","7","6","1","1") = "8"
    & skf18("5","9","1","7","6","2","1") = "8"
    & skf18("5","9","1","7","6","3","1") = "8"
    & skf18("5","9","1","7","6","4","1") = "8"
    & skf18("5","9","1","7","6","5","1") = "8"
    & skf18("5","9","1","7","6","6","1") = "8"
    & skf18("5","9","1","7","6","7","1") = "8"
    & skf18("5","9","1","7","6","8","1") = "8"
    & skf18("5","9","1","7","6","9","1") = "8"
    & skf18("5","9","1","7","6","10","1") = "9"
    & skf18("5","9","1","7","7","1","1") = "8"
    & skf18("5","9","1","7","7","2","1") = "8"
    & skf18("5","9","1","7","7","3","1") = "8"
    & skf18("5","9","1","7","7","4","1") = "8"
    & skf18("5","9","1","7","7","5","1") = "8"
    & skf18("5","9","1","7","7","6","1") = "8"
    & skf18("5","9","1","7","7","7","1") = "8"
    & skf18("5","9","1","7","7","8","1") = "8"
    & skf18("5","9","1","7","7","9","1") = "8"
    & skf18("5","9","1","7","7","10","1") = "9"
    & skf18("5","9","1","7","8","1","1") = "8"
    & skf18("5","9","1","7","8","2","1") = "8"
    & skf18("5","9","1","7","8","3","1") = "8"
    & skf18("5","9","1","7","8","4","1") = "8"
    & skf18("5","9","1","7","8","5","1") = "8"
    & skf18("5","9","1","7","8","6","1") = "8"
    & skf18("5","9","1","7","8","7","1") = "8"
    & skf18("5","9","1","7","8","8","1") = "8"
    & skf18("5","9","1","7","8","9","1") = "8"
    & skf18("5","9","1","7","8","10","1") = "9"
    & skf18("5","9","1","7","9","1","1") = "8"
    & skf18("5","9","1","7","9","2","1") = "8"
    & skf18("5","9","1","7","9","3","1") = "8"
    & skf18("5","9","1","7","9","4","1") = "8"
    & skf18("5","9","1","7","9","5","1") = "8"
    & skf18("5","9","1","7","9","6","1") = "8"
    & skf18("5","9","1","7","9","7","1") = "8"
    & skf18("5","9","1","7","9","8","1") = "8"
    & skf18("5","9","1","7","9","9","1") = "8"
    & skf18("5","9","1","7","9","10","1") = "9"
    & skf18("5","9","1","7","10","1","1") = "9"
    & skf18("5","9","1","7","10","2","1") = "9"
    & skf18("5","9","1","7","10","3","1") = "9"
    & skf18("5","9","1","7","10","4","1") = "9"
    & skf18("5","9","1","7","10","5","1") = "9"
    & skf18("5","9","1","7","10","6","1") = "9"
    & skf18("5","9","1","7","10","7","1") = "9"
    & skf18("5","9","1","7","10","8","1") = "9"
    & skf18("5","9","1","7","10","9","1") = "9"
    & skf18("5","9","1","7","10","10","1") = "9"
    & skf18("5","9","1","8","1","1","1") = "8"
    & skf18("5","9","1","8","1","2","1") = "8"
    & skf18("5","9","1","8","1","3","1") = "8"
    & skf18("5","9","1","8","1","4","1") = "8"
    & skf18("5","9","1","8","1","5","1") = "8"
    & skf18("5","9","1","8","1","6","1") = "8"
    & skf18("5","9","1","8","1","7","1") = "8"
    & skf18("5","9","1","8","1","8","1") = "8"
    & skf18("5","9","1","8","1","9","1") = "8"
    & skf18("5","9","1","8","1","10","1") = "9"
    & skf18("5","9","1","8","2","1","1") = "8"
    & skf18("5","9","1","8","2","2","1") = "8"
    & skf18("5","9","1","8","2","3","1") = "8"
    & skf18("5","9","1","8","2","4","1") = "8"
    & skf18("5","9","1","8","2","5","1") = "8"
    & skf18("5","9","1","8","2","6","1") = "8"
    & skf18("5","9","1","8","2","7","1") = "8"
    & skf18("5","9","1","8","2","8","1") = "8"
    & skf18("5","9","1","8","2","9","1") = "8"
    & skf18("5","9","1","8","2","10","1") = "9"
    & skf18("5","9","1","8","3","1","1") = "8"
    & skf18("5","9","1","8","3","2","1") = "8"
    & skf18("5","9","1","8","3","3","1") = "8"
    & skf18("5","9","1","8","3","4","1") = "8"
    & skf18("5","9","1","8","3","5","1") = "8"
    & skf18("5","9","1","8","3","6","1") = "8"
    & skf18("5","9","1","8","3","7","1") = "8"
    & skf18("5","9","1","8","3","8","1") = "8"
    & skf18("5","9","1","8","3","9","1") = "8"
    & skf18("5","9","1","8","3","10","1") = "9"
    & skf18("5","9","1","8","4","1","1") = "8"
    & skf18("5","9","1","8","4","2","1") = "8"
    & skf18("5","9","1","8","4","3","1") = "8"
    & skf18("5","9","1","8","4","4","1") = "8"
    & skf18("5","9","1","8","4","5","1") = "8"
    & skf18("5","9","1","8","4","6","1") = "8"
    & skf18("5","9","1","8","4","7","1") = "8"
    & skf18("5","9","1","8","4","8","1") = "8"
    & skf18("5","9","1","8","4","9","1") = "8"
    & skf18("5","9","1","8","4","10","1") = "9"
    & skf18("5","9","1","8","5","1","1") = "8"
    & skf18("5","9","1","8","5","2","1") = "8"
    & skf18("5","9","1","8","5","3","1") = "8"
    & skf18("5","9","1","8","5","4","1") = "8"
    & skf18("5","9","1","8","5","5","1") = "8"
    & skf18("5","9","1","8","5","6","1") = "8"
    & skf18("5","9","1","8","5","7","1") = "8"
    & skf18("5","9","1","8","5","8","1") = "8"
    & skf18("5","9","1","8","5","9","1") = "8"
    & skf18("5","9","1","8","5","10","1") = "9"
    & skf18("5","9","1","8","6","1","1") = "8"
    & skf18("5","9","1","8","6","2","1") = "8"
    & skf18("5","9","1","8","6","3","1") = "8"
    & skf18("5","9","1","8","6","4","1") = "8"
    & skf18("5","9","1","8","6","5","1") = "8"
    & skf18("5","9","1","8","6","6","1") = "8"
    & skf18("5","9","1","8","6","7","1") = "8"
    & skf18("5","9","1","8","6","8","1") = "8"
    & skf18("5","9","1","8","6","9","1") = "8"
    & skf18("5","9","1","8","6","10","1") = "9"
    & skf18("5","9","1","8","7","1","1") = "8"
    & skf18("5","9","1","8","7","2","1") = "8"
    & skf18("5","9","1","8","7","3","1") = "8"
    & skf18("5","9","1","8","7","4","1") = "8"
    & skf18("5","9","1","8","7","5","1") = "8"
    & skf18("5","9","1","8","7","6","1") = "8"
    & skf18("5","9","1","8","7","7","1") = "8"
    & skf18("5","9","1","8","7","8","1") = "8"
    & skf18("5","9","1","8","7","9","1") = "8"
    & skf18("5","9","1","8","7","10","1") = "9"
    & skf18("5","9","1","8","8","1","1") = "8"
    & skf18("5","9","1","8","8","2","1") = "8"
    & skf18("5","9","1","8","8","3","1") = "8"
    & skf18("5","9","1","8","8","4","1") = "8"
    & skf18("5","9","1","8","8","5","1") = "8"
    & skf18("5","9","1","8","8","6","1") = "8"
    & skf18("5","9","1","8","8","7","1") = "8"
    & skf18("5","9","1","8","8","8","1") = "8"
    & skf18("5","9","1","8","8","9","1") = "8"
    & skf18("5","9","1","8","8","10","1") = "9"
    & skf18("5","9","1","8","9","1","1") = "8"
    & skf18("5","9","1","8","9","2","1") = "8"
    & skf18("5","9","1","8","9","3","1") = "8"
    & skf18("5","9","1","8","9","4","1") = "8"
    & skf18("5","9","1","8","9","5","1") = "8"
    & skf18("5","9","1","8","9","6","1") = "8"
    & skf18("5","9","1","8","9","7","1") = "8"
    & skf18("5","9","1","8","9","8","1") = "8"
    & skf18("5","9","1","8","9","9","1") = "8"
    & skf18("5","9","1","8","9","10","1") = "9"
    & skf18("5","9","1","8","10","1","1") = "9"
    & skf18("5","9","1","8","10","2","1") = "9"
    & skf18("5","9","1","8","10","3","1") = "9"
    & skf18("5","9","1","8","10","4","1") = "9"
    & skf18("5","9","1","8","10","5","1") = "9"
    & skf18("5","9","1","8","10","6","1") = "9"
    & skf18("5","9","1","8","10","7","1") = "9"
    & skf18("5","9","1","8","10","8","1") = "9"
    & skf18("5","9","1","8","10","9","1") = "9"
    & skf18("5","9","1","8","10","10","1") = "9"
    & skf18("5","9","1","9","1","1","1") = "8"
    & skf18("5","9","1","9","1","2","1") = "8"
    & skf18("5","9","1","9","1","3","1") = "8"
    & skf18("5","9","1","9","1","4","1") = "8"
    & skf18("5","9","1","9","1","5","1") = "8"
    & skf18("5","9","1","9","1","6","1") = "8"
    & skf18("5","9","1","9","1","7","1") = "8"
    & skf18("5","9","1","9","1","8","1") = "8"
    & skf18("5","9","1","9","1","9","1") = "8"
    & skf18("5","9","1","9","1","10","1") = "9"
    & skf18("5","9","1","9","2","1","1") = "8"
    & skf18("5","9","1","9","2","2","1") = "8"
    & skf18("5","9","1","9","2","3","1") = "8"
    & skf18("5","9","1","9","2","4","1") = "8"
    & skf18("5","9","1","9","2","5","1") = "8"
    & skf18("5","9","1","9","2","6","1") = "8"
    & skf18("5","9","1","9","2","7","1") = "8"
    & skf18("5","9","1","9","2","8","1") = "8"
    & skf18("5","9","1","9","2","9","1") = "8"
    & skf18("5","9","1","9","2","10","1") = "9"
    & skf18("5","9","1","9","3","1","1") = "8"
    & skf18("5","9","1","9","3","2","1") = "8"
    & skf18("5","9","1","9","3","3","1") = "8"
    & skf18("5","9","1","9","3","4","1") = "8"
    & skf18("5","9","1","9","3","5","1") = "8"
    & skf18("5","9","1","9","3","6","1") = "8"
    & skf18("5","9","1","9","3","7","1") = "8"
    & skf18("5","9","1","9","3","8","1") = "8"
    & skf18("5","9","1","9","3","9","1") = "8"
    & skf18("5","9","1","9","3","10","1") = "9"
    & skf18("5","9","1","9","4","1","1") = "8"
    & skf18("5","9","1","9","4","2","1") = "8"
    & skf18("5","9","1","9","4","3","1") = "8"
    & skf18("5","9","1","9","4","4","1") = "8"
    & skf18("5","9","1","9","4","5","1") = "8"
    & skf18("5","9","1","9","4","6","1") = "8"
    & skf18("5","9","1","9","4","7","1") = "8"
    & skf18("5","9","1","9","4","8","1") = "8"
    & skf18("5","9","1","9","4","9","1") = "8"
    & skf18("5","9","1","9","4","10","1") = "9"
    & skf18("5","9","1","9","5","1","1") = "8"
    & skf18("5","9","1","9","5","2","1") = "8"
    & skf18("5","9","1","9","5","3","1") = "8"
    & skf18("5","9","1","9","5","4","1") = "8"
    & skf18("5","9","1","9","5","5","1") = "8"
    & skf18("5","9","1","9","5","6","1") = "8"
    & skf18("5","9","1","9","5","7","1") = "8"
    & skf18("5","9","1","9","5","8","1") = "8"
    & skf18("5","9","1","9","5","9","1") = "8"
    & skf18("5","9","1","9","5","10","1") = "9"
    & skf18("5","9","1","9","6","1","1") = "8"
    & skf18("5","9","1","9","6","2","1") = "8"
    & skf18("5","9","1","9","6","3","1") = "8"
    & skf18("5","9","1","9","6","4","1") = "8"
    & skf18("5","9","1","9","6","5","1") = "8"
    & skf18("5","9","1","9","6","6","1") = "8"
    & skf18("5","9","1","9","6","7","1") = "8"
    & skf18("5","9","1","9","6","8","1") = "8"
    & skf18("5","9","1","9","6","9","1") = "8"
    & skf18("5","9","1","9","6","10","1") = "9"
    & skf18("5","9","1","9","7","1","1") = "8"
    & skf18("5","9","1","9","7","2","1") = "8"
    & skf18("5","9","1","9","7","3","1") = "8"
    & skf18("5","9","1","9","7","4","1") = "8"
    & skf18("5","9","1","9","7","5","1") = "8"
    & skf18("5","9","1","9","7","6","1") = "8"
    & skf18("5","9","1","9","7","7","1") = "8"
    & skf18("5","9","1","9","7","8","1") = "8"
    & skf18("5","9","1","9","7","9","1") = "8"
    & skf18("5","9","1","9","7","10","1") = "9"
    & skf18("5","9","1","9","8","1","1") = "8"
    & skf18("5","9","1","9","8","2","1") = "8"
    & skf18("5","9","1","9","8","3","1") = "8"
    & skf18("5","9","1","9","8","4","1") = "8"
    & skf18("5","9","1","9","8","5","1") = "8"
    & skf18("5","9","1","9","8","6","1") = "8"
    & skf18("5","9","1","9","8","7","1") = "8"
    & skf18("5","9","1","9","8","8","1") = "8"
    & skf18("5","9","1","9","8","9","1") = "8"
    & skf18("5","9","1","9","8","10","1") = "9"
    & skf18("5","9","1","9","9","1","1") = "8"
    & skf18("5","9","1","9","9","2","1") = "8"
    & skf18("5","9","1","9","9","3","1") = "8"
    & skf18("5","9","1","9","9","4","1") = "8"
    & skf18("5","9","1","9","9","5","1") = "8"
    & skf18("5","9","1","9","9","6","1") = "8"
    & skf18("5","9","1","9","9","7","1") = "8"
    & skf18("5","9","1","9","9","8","1") = "8"
    & skf18("5","9","1","9","9","9","1") = "8"
    & skf18("5","9","1","9","9","10","1") = "9"
    & skf18("5","9","1","9","10","1","1") = "9"
    & skf18("5","9","1","9","10","2","1") = "9"
    & skf18("5","9","1","9","10","3","1") = "9"
    & skf18("5","9","1","9","10","4","1") = "9"
    & skf18("5","9","1","9","10","5","1") = "9"
    & skf18("5","9","1","9","10","6","1") = "9"
    & skf18("5","9","1","9","10","7","1") = "9"
    & skf18("5","9","1","9","10","8","1") = "9"
    & skf18("5","9","1","9","10","9","1") = "9"
    & skf18("5","9","1","9","10","10","1") = "9"
    & skf18("5","9","1","10","1","1","1") = "9"
    & skf18("5","9","1","10","1","2","1") = "9"
    & skf18("5","9","1","10","1","3","1") = "9"
    & skf18("5","9","1","10","1","4","1") = "9"
    & skf18("5","9","1","10","1","5","1") = "9"
    & skf18("5","9","1","10","1","6","1") = "9"
    & skf18("5","9","1","10","1","7","1") = "9"
    & skf18("5","9","1","10","1","8","1") = "9"
    & skf18("5","9","1","10","1","9","1") = "9"
    & skf18("5","9","1","10","1","10","1") = "9"
    & skf18("5","9","1","10","2","1","1") = "9"
    & skf18("5","9","1","10","2","2","1") = "9"
    & skf18("5","9","1","10","2","3","1") = "9"
    & skf18("5","9","1","10","2","4","1") = "9"
    & skf18("5","9","1","10","2","5","1") = "9"
    & skf18("5","9","1","10","2","6","1") = "9"
    & skf18("5","9","1","10","2","7","1") = "9"
    & skf18("5","9","1","10","2","8","1") = "9"
    & skf18("5","9","1","10","2","9","1") = "9"
    & skf18("5","9","1","10","2","10","1") = "9"
    & skf18("5","9","1","10","3","1","1") = "9"
    & skf18("5","9","1","10","3","2","1") = "9"
    & skf18("5","9","1","10","3","3","1") = "9"
    & skf18("5","9","1","10","3","4","1") = "9"
    & skf18("5","9","1","10","3","5","1") = "9"
    & skf18("5","9","1","10","3","6","1") = "9"
    & skf18("5","9","1","10","3","7","1") = "9"
    & skf18("5","9","1","10","3","8","1") = "9"
    & skf18("5","9","1","10","3","9","1") = "9"
    & skf18("5","9","1","10","3","10","1") = "9"
    & skf18("5","9","1","10","4","1","1") = "9"
    & skf18("5","9","1","10","4","2","1") = "9"
    & skf18("5","9","1","10","4","3","1") = "9"
    & skf18("5","9","1","10","4","4","1") = "9"
    & skf18("5","9","1","10","4","5","1") = "9"
    & skf18("5","9","1","10","4","6","1") = "9"
    & skf18("5","9","1","10","4","7","1") = "9"
    & skf18("5","9","1","10","4","8","1") = "9"
    & skf18("5","9","1","10","4","9","1") = "9"
    & skf18("5","9","1","10","4","10","1") = "9"
    & skf18("5","9","1","10","5","1","1") = "9"
    & skf18("5","9","1","10","5","2","1") = "9"
    & skf18("5","9","1","10","5","3","1") = "9"
    & skf18("5","9","1","10","5","4","1") = "9"
    & skf18("5","9","1","10","5","5","1") = "9"
    & skf18("5","9","1","10","5","6","1") = "9"
    & skf18("5","9","1","10","5","7","1") = "9"
    & skf18("5","9","1","10","5","8","1") = "9"
    & skf18("5","9","1","10","5","9","1") = "9"
    & skf18("5","9","1","10","5","10","1") = "9"
    & skf18("5","9","1","10","6","1","1") = "9"
    & skf18("5","9","1","10","6","2","1") = "9"
    & skf18("5","9","1","10","6","3","1") = "9"
    & skf18("5","9","1","10","6","4","1") = "9"
    & skf18("5","9","1","10","6","5","1") = "9"
    & skf18("5","9","1","10","6","6","1") = "9"
    & skf18("5","9","1","10","6","7","1") = "9"
    & skf18("5","9","1","10","6","8","1") = "9"
    & skf18("5","9","1","10","6","9","1") = "9"
    & skf18("5","9","1","10","6","10","1") = "9"
    & skf18("5","9","1","10","7","1","1") = "9"
    & skf18("5","9","1","10","7","2","1") = "9"
    & skf18("5","9","1","10","7","3","1") = "9"
    & skf18("5","9","1","10","7","4","1") = "9"
    & skf18("5","9","1","10","7","5","1") = "9"
    & skf18("5","9","1","10","7","6","1") = "9"
    & skf18("5","9","1","10","7","7","1") = "9"
    & skf18("5","9","1","10","7","8","1") = "9"
    & skf18("5","9","1","10","7","9","1") = "9"
    & skf18("5","9","1","10","7","10","1") = "9"
    & skf18("5","9","1","10","8","1","1") = "9"
    & skf18("5","9","1","10","8","2","1") = "9"
    & skf18("5","9","1","10","8","3","1") = "9"
    & skf18("5","9","1","10","8","4","1") = "9"
    & skf18("5","9","1","10","8","5","1") = "9"
    & skf18("5","9","1","10","8","6","1") = "9"
    & skf18("5","9","1","10","8","7","1") = "9"
    & skf18("5","9","1","10","8","8","1") = "9"
    & skf18("5","9","1","10","8","9","1") = "9"
    & skf18("5","9","1","10","8","10","1") = "9"
    & skf18("5","9","1","10","9","1","1") = "9"
    & skf18("5","9","1","10","9","2","1") = "9"
    & skf18("5","9","1","10","9","3","1") = "9"
    & skf18("5","9","1","10","9","4","1") = "9"
    & skf18("5","9","1","10","9","5","1") = "9"
    & skf18("5","9","1","10","9","6","1") = "9"
    & skf18("5","9","1","10","9","7","1") = "9"
    & skf18("5","9","1","10","9","8","1") = "9"
    & skf18("5","9","1","10","9","9","1") = "9"
    & skf18("5","9","1","10","9","10","1") = "9"
    & skf18("5","9","1","10","10","1","1") = "9"
    & skf18("5","9","1","10","10","2","1") = "9"
    & skf18("5","9","1","10","10","3","1") = "9"
    & skf18("5","9","1","10","10","4","1") = "9"
    & skf18("5","9","1","10","10","5","1") = "9"
    & skf18("5","9","1","10","10","6","1") = "9"
    & skf18("5","9","1","10","10","7","1") = "9"
    & skf18("5","9","1","10","10","8","1") = "9"
    & skf18("5","9","1","10","10","9","1") = "9"
    & skf18("5","9","1","10","10","10","1") = "9"
    & skf18("5","9","2","1","1","1","1") = "8"
    & skf18("5","9","2","1","1","2","1") = "8"
    & skf18("5","9","2","1","1","3","1") = "8"
    & skf18("5","9","2","1","1","4","1") = "8"
    & skf18("5","9","2","1","1","5","1") = "8"
    & skf18("5","9","2","1","1","6","1") = "8"
    & skf18("5","9","2","1","1","7","1") = "8"
    & skf18("5","9","2","1","1","8","1") = "8"
    & skf18("5","9","2","1","1","9","1") = "8"
    & skf18("5","9","2","1","1","10","1") = "9"
    & skf18("5","9","2","1","2","1","1") = "8"
    & skf18("5","9","2","1","2","2","1") = "8"
    & skf18("5","9","2","1","2","3","1") = "8"
    & skf18("5","9","2","1","2","4","1") = "8"
    & skf18("5","9","2","1","2","5","1") = "8"
    & skf18("5","9","2","1","2","6","1") = "8"
    & skf18("5","9","2","1","2","7","1") = "8"
    & skf18("5","9","2","1","2","8","1") = "8"
    & skf18("5","9","2","1","2","9","1") = "8"
    & skf18("5","9","2","1","2","10","1") = "9"
    & skf18("5","9","2","1","3","1","1") = "8"
    & skf18("5","9","2","1","3","2","1") = "8"
    & skf18("5","9","2","1","3","3","1") = "8"
    & skf18("5","9","2","1","3","4","1") = "8"
    & skf18("5","9","2","1","3","5","1") = "8"
    & skf18("5","9","2","1","3","6","1") = "8"
    & skf18("5","9","2","1","3","7","1") = "8"
    & skf18("5","9","2","1","3","8","1") = "8"
    & skf18("5","9","2","1","3","9","1") = "8"
    & skf18("5","9","2","1","3","10","1") = "9"
    & skf18("5","9","2","1","4","1","1") = "8"
    & skf18("5","9","2","1","4","2","1") = "8"
    & skf18("5","9","2","1","4","3","1") = "8"
    & skf18("5","9","2","1","4","4","1") = "8"
    & skf18("5","9","2","1","4","5","1") = "8"
    & skf18("5","9","2","1","4","6","1") = "8"
    & skf18("5","9","2","1","4","7","1") = "8"
    & skf18("5","9","2","1","4","8","1") = "8"
    & skf18("5","9","2","1","4","9","1") = "8"
    & skf18("5","9","2","1","4","10","1") = "9"
    & skf18("5","9","2","1","5","1","1") = "8"
    & skf18("5","9","2","1","5","2","1") = "8"
    & skf18("5","9","2","1","5","3","1") = "8"
    & skf18("5","9","2","1","5","4","1") = "8"
    & skf18("5","9","2","1","5","5","1") = "8"
    & skf18("5","9","2","1","5","6","1") = "8"
    & skf18("5","9","2","1","5","7","1") = "8"
    & skf18("5","9","2","1","5","8","1") = "8"
    & skf18("5","9","2","1","5","9","1") = "8"
    & skf18("5","9","2","1","5","10","1") = "9"
    & skf18("5","9","2","1","6","1","1") = "8"
    & skf18("5","9","2","1","6","2","1") = "8"
    & skf18("5","9","2","1","6","3","1") = "8"
    & skf18("5","9","2","1","6","4","1") = "8"
    & skf18("5","9","2","1","6","5","1") = "8"
    & skf18("5","9","2","1","6","6","1") = "8"
    & skf18("5","9","2","1","6","7","1") = "8"
    & skf18("5","9","2","1","6","8","1") = "8"
    & skf18("5","9","2","1","6","9","1") = "8"
    & skf18("5","9","2","1","6","10","1") = "9"
    & skf18("5","9","2","1","7","1","1") = "8"
    & skf18("5","9","2","1","7","2","1") = "8"
    & skf18("5","9","2","1","7","3","1") = "8"
    & skf18("5","9","2","1","7","4","1") = "8"
    & skf18("5","9","2","1","7","5","1") = "8"
    & skf18("5","9","2","1","7","6","1") = "8"
    & skf18("5","9","2","1","7","7","1") = "8"
    & skf18("5","9","2","1","7","8","1") = "8"
    & skf18("5","9","2","1","7","9","1") = "8"
    & skf18("5","9","2","1","7","10","1") = "9"
    & skf18("5","9","2","1","8","1","1") = "8"
    & skf18("5","9","2","1","8","2","1") = "8"
    & skf18("5","9","2","1","8","3","1") = "8"
    & skf18("5","9","2","1","8","4","1") = "8"
    & skf18("5","9","2","1","8","5","1") = "8"
    & skf18("5","9","2","1","8","6","1") = "8"
    & skf18("5","9","2","1","8","7","1") = "8"
    & skf18("5","9","2","1","8","8","1") = "8"
    & skf18("5","9","2","1","8","9","1") = "8"
    & skf18("5","9","2","1","8","10","1") = "9"
    & skf18("5","9","2","1","9","1","1") = "8"
    & skf18("5","9","2","1","9","2","1") = "8"
    & skf18("5","9","2","1","9","3","1") = "8"
    & skf18("5","9","2","1","9","4","1") = "8"
    & skf18("5","9","2","1","9","5","1") = "8"
    & skf18("5","9","2","1","9","6","1") = "8"
    & skf18("5","9","2","1","9","7","1") = "8"
    & skf18("5","9","2","1","9","8","1") = "8"
    & skf18("5","9","2","1","9","9","1") = "8"
    & skf18("5","9","2","1","9","10","1") = "9"
    & skf18("5","9","2","1","10","1","1") = "9"
    & skf18("5","9","2","1","10","2","1") = "9"
    & skf18("5","9","2","1","10","3","1") = "9"
    & skf18("5","9","2","1","10","4","1") = "9"
    & skf18("5","9","2","1","10","5","1") = "9"
    & skf18("5","9","2","1","10","6","1") = "9"
    & skf18("5","9","2","1","10","7","1") = "9"
    & skf18("5","9","2","1","10","8","1") = "9"
    & skf18("5","9","2","1","10","9","1") = "9"
    & skf18("5","9","2","1","10","10","1") = "9"
    & skf18("5","9","2","2","1","1","1") = "8"
    & skf18("5","9","2","2","1","2","1") = "8"
    & skf18("5","9","2","2","1","3","1") = "8"
    & skf18("5","9","2","2","1","4","1") = "8"
    & skf18("5","9","2","2","1","5","1") = "8"
    & skf18("5","9","2","2","1","6","1") = "8"
    & skf18("5","9","2","2","1","7","1") = "8"
    & skf18("5","9","2","2","1","8","1") = "8"
    & skf18("5","9","2","2","1","9","1") = "8"
    & skf18("5","9","2","2","1","10","1") = "9"
    & skf18("5","9","2","2","2","1","1") = "8"
    & skf18("5","9","2","2","2","2","1") = "8"
    & skf18("5","9","2","2","2","3","1") = "8"
    & skf18("5","9","2","2","2","4","1") = "8"
    & skf18("5","9","2","2","2","5","1") = "8"
    & skf18("5","9","2","2","2","6","1") = "8"
    & skf18("5","9","2","2","2","7","1") = "8"
    & skf18("5","9","2","2","2","8","1") = "8"
    & skf18("5","9","2","2","2","9","1") = "8"
    & skf18("5","9","2","2","2","10","1") = "9"
    & skf18("5","9","2","2","3","1","1") = "8"
    & skf18("5","9","2","2","3","2","1") = "8"
    & skf18("5","9","2","2","3","3","1") = "8"
    & skf18("5","9","2","2","3","4","1") = "8"
    & skf18("5","9","2","2","3","5","1") = "8"
    & skf18("5","9","2","2","3","6","1") = "8"
    & skf18("5","9","2","2","3","7","1") = "8"
    & skf18("5","9","2","2","3","8","1") = "8"
    & skf18("5","9","2","2","3","9","1") = "8"
    & skf18("5","9","2","2","3","10","1") = "9"
    & skf18("5","9","2","2","4","1","1") = "8"
    & skf18("5","9","2","2","4","2","1") = "8"
    & skf18("5","9","2","2","4","3","1") = "8"
    & skf18("5","9","2","2","4","4","1") = "8"
    & skf18("5","9","2","2","4","5","1") = "8"
    & skf18("5","9","2","2","4","6","1") = "8"
    & skf18("5","9","2","2","4","7","1") = "8"
    & skf18("5","9","2","2","4","8","1") = "8"
    & skf18("5","9","2","2","4","9","1") = "8"
    & skf18("5","9","2","2","4","10","1") = "9"
    & skf18("5","9","2","2","5","1","1") = "8"
    & skf18("5","9","2","2","5","2","1") = "8"
    & skf18("5","9","2","2","5","3","1") = "8"
    & skf18("5","9","2","2","5","4","1") = "8"
    & skf18("5","9","2","2","5","5","1") = "8"
    & skf18("5","9","2","2","5","6","1") = "8"
    & skf18("5","9","2","2","5","7","1") = "8"
    & skf18("5","9","2","2","5","8","1") = "8"
    & skf18("5","9","2","2","5","9","1") = "8"
    & skf18("5","9","2","2","5","10","1") = "9"
    & skf18("5","9","2","2","6","1","1") = "8"
    & skf18("5","9","2","2","6","2","1") = "8"
    & skf18("5","9","2","2","6","3","1") = "8"
    & skf18("5","9","2","2","6","4","1") = "8"
    & skf18("5","9","2","2","6","5","1") = "8"
    & skf18("5","9","2","2","6","6","1") = "8"
    & skf18("5","9","2","2","6","7","1") = "8"
    & skf18("5","9","2","2","6","8","1") = "8"
    & skf18("5","9","2","2","6","9","1") = "8"
    & skf18("5","9","2","2","6","10","1") = "9"
    & skf18("5","9","2","2","7","1","1") = "8"
    & skf18("5","9","2","2","7","2","1") = "8"
    & skf18("5","9","2","2","7","3","1") = "8"
    & skf18("5","9","2","2","7","4","1") = "8"
    & skf18("5","9","2","2","7","5","1") = "8"
    & skf18("5","9","2","2","7","6","1") = "8"
    & skf18("5","9","2","2","7","7","1") = "8"
    & skf18("5","9","2","2","7","8","1") = "8"
    & skf18("5","9","2","2","7","9","1") = "8"
    & skf18("5","9","2","2","7","10","1") = "9"
    & skf18("5","9","2","2","8","1","1") = "8"
    & skf18("5","9","2","2","8","2","1") = "8"
    & skf18("5","9","2","2","8","3","1") = "8"
    & skf18("5","9","2","2","8","4","1") = "8"
    & skf18("5","9","2","2","8","5","1") = "8"
    & skf18("5","9","2","2","8","6","1") = "8"
    & skf18("5","9","2","2","8","7","1") = "8"
    & skf18("5","9","2","2","8","8","1") = "8"
    & skf18("5","9","2","2","8","9","1") = "8"
    & skf18("5","9","2","2","8","10","1") = "9"
    & skf18("5","9","2","2","9","1","1") = "8"
    & skf18("5","9","2","2","9","2","1") = "8"
    & skf18("5","9","2","2","9","3","1") = "8"
    & skf18("5","9","2","2","9","4","1") = "8"
    & skf18("5","9","2","2","9","5","1") = "8"
    & skf18("5","9","2","2","9","6","1") = "8"
    & skf18("5","9","2","2","9","7","1") = "8"
    & skf18("5","9","2","2","9","8","1") = "8"
    & skf18("5","9","2","2","9","9","1") = "8"
    & skf18("5","9","2","2","9","10","1") = "9"
    & skf18("5","9","2","2","10","1","1") = "9"
    & skf18("5","9","2","2","10","2","1") = "9"
    & skf18("5","9","2","2","10","3","1") = "9"
    & skf18("5","9","2","2","10","4","1") = "9"
    & skf18("5","9","2","2","10","5","1") = "9"
    & skf18("5","9","2","2","10","6","1") = "9"
    & skf18("5","9","2","2","10","7","1") = "9"
    & skf18("5","9","2","2","10","8","1") = "9"
    & skf18("5","9","2","2","10","9","1") = "9"
    & skf18("5","9","2","2","10","10","1") = "9"
    & skf18("5","9","2","3","1","1","1") = "8"
    & skf18("5","9","2","3","1","2","1") = "8"
    & skf18("5","9","2","3","1","3","1") = "8"
    & skf18("5","9","2","3","1","4","1") = "8"
    & skf18("5","9","2","3","1","5","1") = "8"
    & skf18("5","9","2","3","1","6","1") = "8"
    & skf18("5","9","2","3","1","7","1") = "8"
    & skf18("5","9","2","3","1","8","1") = "8"
    & skf18("5","9","2","3","1","9","1") = "8"
    & skf18("5","9","2","3","1","10","1") = "9"
    & skf18("5","9","2","3","2","1","1") = "8"
    & skf18("5","9","2","3","2","2","1") = "8"
    & skf18("5","9","2","3","2","3","1") = "8"
    & skf18("5","9","2","3","2","4","1") = "8"
    & skf18("5","9","2","3","2","5","1") = "8"
    & skf18("5","9","2","3","2","6","1") = "8"
    & skf18("5","9","2","3","2","7","1") = "8"
    & skf18("5","9","2","3","2","8","1") = "8"
    & skf18("5","9","2","3","2","9","1") = "8"
    & skf18("5","9","2","3","2","10","1") = "9"
    & skf18("5","9","2","3","3","1","1") = "8"
    & skf18("5","9","2","3","3","2","1") = "8"
    & skf18("5","9","2","3","3","3","1") = "8"
    & skf18("5","9","2","3","3","4","1") = "8"
    & skf18("5","9","2","3","3","5","1") = "8"
    & skf18("5","9","2","3","3","6","1") = "8"
    & skf18("5","9","2","3","3","7","1") = "8"
    & skf18("5","9","2","3","3","8","1") = "8"
    & skf18("5","9","2","3","3","9","1") = "8"
    & skf18("5","9","2","3","3","10","1") = "9"
    & skf18("5","9","2","3","4","1","1") = "8"
    & skf18("5","9","2","3","4","2","1") = "8"
    & skf18("5","9","2","3","4","3","1") = "8"
    & skf18("5","9","2","3","4","4","1") = "8"
    & skf18("5","9","2","3","4","5","1") = "8"
    & skf18("5","9","2","3","4","6","1") = "8"
    & skf18("5","9","2","3","4","7","1") = "8"
    & skf18("5","9","2","3","4","8","1") = "8"
    & skf18("5","9","2","3","4","9","1") = "8"
    & skf18("5","9","2","3","4","10","1") = "9"
    & skf18("5","9","2","3","5","1","1") = "8"
    & skf18("5","9","2","3","5","2","1") = "8"
    & skf18("5","9","2","3","5","3","1") = "8"
    & skf18("5","9","2","3","5","4","1") = "8"
    & skf18("5","9","2","3","5","5","1") = "8"
    & skf18("5","9","2","3","5","6","1") = "8"
    & skf18("5","9","2","3","5","7","1") = "8"
    & skf18("5","9","2","3","5","8","1") = "8"
    & skf18("5","9","2","3","5","9","1") = "8"
    & skf18("5","9","2","3","5","10","1") = "9"
    & skf18("5","9","2","3","6","1","1") = "8"
    & skf18("5","9","2","3","6","2","1") = "8"
    & skf18("5","9","2","3","6","3","1") = "8"
    & skf18("5","9","2","3","6","4","1") = "8"
    & skf18("5","9","2","3","6","5","1") = "8"
    & skf18("5","9","2","3","6","6","1") = "8"
    & skf18("5","9","2","3","6","7","1") = "8"
    & skf18("5","9","2","3","6","8","1") = "8"
    & skf18("5","9","2","3","6","9","1") = "8"
    & skf18("5","9","2","3","6","10","1") = "9"
    & skf18("5","9","2","3","7","1","1") = "8"
    & skf18("5","9","2","3","7","2","1") = "8"
    & skf18("5","9","2","3","7","3","1") = "8"
    & skf18("5","9","2","3","7","4","1") = "8"
    & skf18("5","9","2","3","7","5","1") = "8"
    & skf18("5","9","2","3","7","6","1") = "8"
    & skf18("5","9","2","3","7","7","1") = "8"
    & skf18("5","9","2","3","7","8","1") = "8"
    & skf18("5","9","2","3","7","9","1") = "8"
    & skf18("5","9","2","3","7","10","1") = "9"
    & skf18("5","9","2","3","8","1","1") = "8"
    & skf18("5","9","2","3","8","2","1") = "8"
    & skf18("5","9","2","3","8","3","1") = "8"
    & skf18("5","9","2","3","8","4","1") = "8"
    & skf18("5","9","2","3","8","5","1") = "8"
    & skf18("5","9","2","3","8","6","1") = "8"
    & skf18("5","9","2","3","8","7","1") = "8"
    & skf18("5","9","2","3","8","8","1") = "8"
    & skf18("5","9","2","3","8","9","1") = "8"
    & skf18("5","9","2","3","8","10","1") = "9"
    & skf18("5","9","2","3","9","1","1") = "8"
    & skf18("5","9","2","3","9","2","1") = "8"
    & skf18("5","9","2","3","9","3","1") = "8"
    & skf18("5","9","2","3","9","4","1") = "8"
    & skf18("5","9","2","3","9","5","1") = "8"
    & skf18("5","9","2","3","9","6","1") = "8"
    & skf18("5","9","2","3","9","7","1") = "8"
    & skf18("5","9","2","3","9","8","1") = "8"
    & skf18("5","9","2","3","9","9","1") = "8"
    & skf18("5","9","2","3","9","10","1") = "9"
    & skf18("5","9","2","3","10","1","1") = "9"
    & skf18("5","9","2","3","10","2","1") = "9"
    & skf18("5","9","2","3","10","3","1") = "9"
    & skf18("5","9","2","3","10","4","1") = "9"
    & skf18("5","9","2","3","10","5","1") = "9"
    & skf18("5","9","2","3","10","6","1") = "9"
    & skf18("5","9","2","3","10","7","1") = "9"
    & skf18("5","9","2","3","10","8","1") = "9"
    & skf18("5","9","2","3","10","9","1") = "9"
    & skf18("5","9","2","3","10","10","1") = "9"
    & skf18("5","9","2","4","1","1","1") = "8"
    & skf18("5","9","2","4","1","2","1") = "8"
    & skf18("5","9","2","4","1","3","1") = "8"
    & skf18("5","9","2","4","1","4","1") = "8"
    & skf18("5","9","2","4","1","5","1") = "8"
    & skf18("5","9","2","4","1","6","1") = "8"
    & skf18("5","9","2","4","1","7","1") = "8"
    & skf18("5","9","2","4","1","8","1") = "8"
    & skf18("5","9","2","4","1","9","1") = "8"
    & skf18("5","9","2","4","1","10","1") = "9"
    & skf18("5","9","2","4","2","1","1") = "8"
    & skf18("5","9","2","4","2","2","1") = "8"
    & skf18("5","9","2","4","2","3","1") = "8"
    & skf18("5","9","2","4","2","4","1") = "8"
    & skf18("5","9","2","4","2","5","1") = "8"
    & skf18("5","9","2","4","2","6","1") = "8"
    & skf18("5","9","2","4","2","7","1") = "8"
    & skf18("5","9","2","4","2","8","1") = "8"
    & skf18("5","9","2","4","2","9","1") = "8"
    & skf18("5","9","2","4","2","10","1") = "9"
    & skf18("5","9","2","4","3","1","1") = "8"
    & skf18("5","9","2","4","3","2","1") = "8"
    & skf18("5","9","2","4","3","3","1") = "8"
    & skf18("5","9","2","4","3","4","1") = "8"
    & skf18("5","9","2","4","3","5","1") = "8"
    & skf18("5","9","2","4","3","6","1") = "8"
    & skf18("5","9","2","4","3","7","1") = "8"
    & skf18("5","9","2","4","3","8","1") = "8"
    & skf18("5","9","2","4","3","9","1") = "8"
    & skf18("5","9","2","4","3","10","1") = "9"
    & skf18("5","9","2","4","4","1","1") = "8"
    & skf18("5","9","2","4","4","2","1") = "8"
    & skf18("5","9","2","4","4","3","1") = "8"
    & skf18("5","9","2","4","4","4","1") = "8"
    & skf18("5","9","2","4","4","5","1") = "8"
    & skf18("5","9","2","4","4","6","1") = "8"
    & skf18("5","9","2","4","4","7","1") = "8"
    & skf18("5","9","2","4","4","8","1") = "8"
    & skf18("5","9","2","4","4","9","1") = "8"
    & skf18("5","9","2","4","4","10","1") = "9"
    & skf18("5","9","2","4","5","1","1") = "8"
    & skf18("5","9","2","4","5","2","1") = "8"
    & skf18("5","9","2","4","5","3","1") = "8"
    & skf18("5","9","2","4","5","4","1") = "8"
    & skf18("5","9","2","4","5","5","1") = "8"
    & skf18("5","9","2","4","5","6","1") = "8"
    & skf18("5","9","2","4","5","7","1") = "8"
    & skf18("5","9","2","4","5","8","1") = "8"
    & skf18("5","9","2","4","5","9","1") = "8"
    & skf18("5","9","2","4","5","10","1") = "9"
    & skf18("5","9","2","4","6","1","1") = "8"
    & skf18("5","9","2","4","6","2","1") = "8"
    & skf18("5","9","2","4","6","3","1") = "8"
    & skf18("5","9","2","4","6","4","1") = "8"
    & skf18("5","9","2","4","6","5","1") = "8"
    & skf18("5","9","2","4","6","6","1") = "8"
    & skf18("5","9","2","4","6","7","1") = "8"
    & skf18("5","9","2","4","6","8","1") = "8"
    & skf18("5","9","2","4","6","9","1") = "8"
    & skf18("5","9","2","4","6","10","1") = "9"
    & skf18("5","9","2","4","7","1","1") = "8"
    & skf18("5","9","2","4","7","2","1") = "8"
    & skf18("5","9","2","4","7","3","1") = "8"
    & skf18("5","9","2","4","7","4","1") = "8"
    & skf18("5","9","2","4","7","5","1") = "8"
    & skf18("5","9","2","4","7","6","1") = "8"
    & skf18("5","9","2","4","7","7","1") = "8"
    & skf18("5","9","2","4","7","8","1") = "8"
    & skf18("5","9","2","4","7","9","1") = "8"
    & skf18("5","9","2","4","7","10","1") = "9"
    & skf18("5","9","2","4","8","1","1") = "8"
    & skf18("5","9","2","4","8","2","1") = "8"
    & skf18("5","9","2","4","8","3","1") = "8"
    & skf18("5","9","2","4","8","4","1") = "8"
    & skf18("5","9","2","4","8","5","1") = "8"
    & skf18("5","9","2","4","8","6","1") = "8"
    & skf18("5","9","2","4","8","7","1") = "8"
    & skf18("5","9","2","4","8","8","1") = "8"
    & skf18("5","9","2","4","8","9","1") = "8"
    & skf18("5","9","2","4","8","10","1") = "9"
    & skf18("5","9","2","4","9","1","1") = "8"
    & skf18("5","9","2","4","9","2","1") = "8"
    & skf18("5","9","2","4","9","3","1") = "8"
    & skf18("5","9","2","4","9","4","1") = "8"
    & skf18("5","9","2","4","9","5","1") = "8"
    & skf18("5","9","2","4","9","6","1") = "8"
    & skf18("5","9","2","4","9","7","1") = "8"
    & skf18("5","9","2","4","9","8","1") = "8"
    & skf18("5","9","2","4","9","9","1") = "8"
    & skf18("5","9","2","4","9","10","1") = "9"
    & skf18("5","9","2","4","10","1","1") = "9"
    & skf18("5","9","2","4","10","2","1") = "9"
    & skf18("5","9","2","4","10","3","1") = "9"
    & skf18("5","9","2","4","10","4","1") = "9"
    & skf18("5","9","2","4","10","5","1") = "9"
    & skf18("5","9","2","4","10","6","1") = "9"
    & skf18("5","9","2","4","10","7","1") = "9"
    & skf18("5","9","2","4","10","8","1") = "9"
    & skf18("5","9","2","4","10","9","1") = "9"
    & skf18("5","9","2","4","10","10","1") = "9"
    & skf18("5","9","2","5","1","1","1") = "8"
    & skf18("5","9","2","5","1","2","1") = "8"
    & skf18("5","9","2","5","1","3","1") = "8"
    & skf18("5","9","2","5","1","4","1") = "8"
    & skf18("5","9","2","5","1","5","1") = "8"
    & skf18("5","9","2","5","1","6","1") = "8"
    & skf18("5","9","2","5","1","7","1") = "8"
    & skf18("5","9","2","5","1","8","1") = "8"
    & skf18("5","9","2","5","1","9","1") = "8"
    & skf18("5","9","2","5","1","10","1") = "9"
    & skf18("5","9","2","5","2","1","1") = "8"
    & skf18("5","9","2","5","2","2","1") = "8"
    & skf18("5","9","2","5","2","3","1") = "8"
    & skf18("5","9","2","5","2","4","1") = "8"
    & skf18("5","9","2","5","2","5","1") = "8"
    & skf18("5","9","2","5","2","6","1") = "8"
    & skf18("5","9","2","5","2","7","1") = "8"
    & skf18("5","9","2","5","2","8","1") = "8"
    & skf18("5","9","2","5","2","9","1") = "8"
    & skf18("5","9","2","5","2","10","1") = "9"
    & skf18("5","9","2","5","3","1","1") = "8"
    & skf18("5","9","2","5","3","2","1") = "8"
    & skf18("5","9","2","5","3","3","1") = "8"
    & skf18("5","9","2","5","3","4","1") = "8"
    & skf18("5","9","2","5","3","5","1") = "8"
    & skf18("5","9","2","5","3","6","1") = "8"
    & skf18("5","9","2","5","3","7","1") = "8"
    & skf18("5","9","2","5","3","8","1") = "8"
    & skf18("5","9","2","5","3","9","1") = "8"
    & skf18("5","9","2","5","3","10","1") = "9"
    & skf18("5","9","2","5","4","1","1") = "8"
    & skf18("5","9","2","5","4","2","1") = "8"
    & skf18("5","9","2","5","4","3","1") = "8"
    & skf18("5","9","2","5","4","4","1") = "8"
    & skf18("5","9","2","5","4","5","1") = "8"
    & skf18("5","9","2","5","4","6","1") = "8"
    & skf18("5","9","2","5","4","7","1") = "8"
    & skf18("5","9","2","5","4","8","1") = "8"
    & skf18("5","9","2","5","4","9","1") = "8"
    & skf18("5","9","2","5","4","10","1") = "9"
    & skf18("5","9","2","5","5","1","1") = "8"
    & skf18("5","9","2","5","5","2","1") = "8"
    & skf18("5","9","2","5","5","3","1") = "8"
    & skf18("5","9","2","5","5","4","1") = "8"
    & skf18("5","9","2","5","5","5","1") = "8"
    & skf18("5","9","2","5","5","6","1") = "8"
    & skf18("5","9","2","5","5","7","1") = "8"
    & skf18("5","9","2","5","5","8","1") = "8"
    & skf18("5","9","2","5","5","9","1") = "8"
    & skf18("5","9","2","5","5","10","1") = "9"
    & skf18("5","9","2","5","6","1","1") = "8"
    & skf18("5","9","2","5","6","2","1") = "8"
    & skf18("5","9","2","5","6","3","1") = "8"
    & skf18("5","9","2","5","6","4","1") = "8"
    & skf18("5","9","2","5","6","5","1") = "8"
    & skf18("5","9","2","5","6","6","1") = "8"
    & skf18("5","9","2","5","6","7","1") = "8"
    & skf18("5","9","2","5","6","8","1") = "8"
    & skf18("5","9","2","5","6","9","1") = "8"
    & skf18("5","9","2","5","6","10","1") = "9"
    & skf18("5","9","2","5","7","1","1") = "8"
    & skf18("5","9","2","5","7","2","1") = "8"
    & skf18("5","9","2","5","7","3","1") = "8"
    & skf18("5","9","2","5","7","4","1") = "8"
    & skf18("5","9","2","5","7","5","1") = "8"
    & skf18("5","9","2","5","7","6","1") = "8"
    & skf18("5","9","2","5","7","7","1") = "8"
    & skf18("5","9","2","5","7","8","1") = "8"
    & skf18("5","9","2","5","7","9","1") = "8"
    & skf18("5","9","2","5","7","10","1") = "9"
    & skf18("5","9","2","5","8","1","1") = "8"
    & skf18("5","9","2","5","8","2","1") = "8"
    & skf18("5","9","2","5","8","3","1") = "8"
    & skf18("5","9","2","5","8","4","1") = "8"
    & skf18("5","9","2","5","8","5","1") = "8"
    & skf18("5","9","2","5","8","6","1") = "8"
    & skf18("5","9","2","5","8","7","1") = "8"
    & skf18("5","9","2","5","8","8","1") = "8"
    & skf18("5","9","2","5","8","9","1") = "8"
    & skf18("5","9","2","5","8","10","1") = "9"
    & skf18("5","9","2","5","9","1","1") = "8"
    & skf18("5","9","2","5","9","2","1") = "8"
    & skf18("5","9","2","5","9","3","1") = "8"
    & skf18("5","9","2","5","9","4","1") = "8"
    & skf18("5","9","2","5","9","5","1") = "8"
    & skf18("5","9","2","5","9","6","1") = "8"
    & skf18("5","9","2","5","9","7","1") = "8"
    & skf18("5","9","2","5","9","8","1") = "8"
    & skf18("5","9","2","5","9","9","1") = "8"
    & skf18("5","9","2","5","9","10","1") = "9"
    & skf18("5","9","2","5","10","1","1") = "9"
    & skf18("5","9","2","5","10","2","1") = "9"
    & skf18("5","9","2","5","10","3","1") = "9"
    & skf18("5","9","2","5","10","4","1") = "9"
    & skf18("5","9","2","5","10","5","1") = "9"
    & skf18("5","9","2","5","10","6","1") = "9"
    & skf18("5","9","2","5","10","7","1") = "9"
    & skf18("5","9","2","5","10","8","1") = "9"
    & skf18("5","9","2","5","10","9","1") = "9"
    & skf18("5","9","2","5","10","10","1") = "9"
    & skf18("5","9","2","6","1","1","1") = "8"
    & skf18("5","9","2","6","1","2","1") = "8"
    & skf18("5","9","2","6","1","3","1") = "8"
    & skf18("5","9","2","6","1","4","1") = "8"
    & skf18("5","9","2","6","1","5","1") = "8"
    & skf18("5","9","2","6","1","6","1") = "8"
    & skf18("5","9","2","6","1","7","1") = "8"
    & skf18("5","9","2","6","1","8","1") = "8"
    & skf18("5","9","2","6","1","9","1") = "8"
    & skf18("5","9","2","6","1","10","1") = "9"
    & skf18("5","9","2","6","2","1","1") = "8"
    & skf18("5","9","2","6","2","2","1") = "8"
    & skf18("5","9","2","6","2","3","1") = "8"
    & skf18("5","9","2","6","2","4","1") = "8"
    & skf18("5","9","2","6","2","5","1") = "8"
    & skf18("5","9","2","6","2","6","1") = "8"
    & skf18("5","9","2","6","2","7","1") = "8"
    & skf18("5","9","2","6","2","8","1") = "8"
    & skf18("5","9","2","6","2","9","1") = "8"
    & skf18("5","9","2","6","2","10","1") = "9"
    & skf18("5","9","2","6","3","1","1") = "8"
    & skf18("5","9","2","6","3","2","1") = "8"
    & skf18("5","9","2","6","3","3","1") = "8"
    & skf18("5","9","2","6","3","4","1") = "8"
    & skf18("5","9","2","6","3","5","1") = "8"
    & skf18("5","9","2","6","3","6","1") = "8"
    & skf18("5","9","2","6","3","7","1") = "8"
    & skf18("5","9","2","6","3","8","1") = "8"
    & skf18("5","9","2","6","3","9","1") = "8"
    & skf18("5","9","2","6","3","10","1") = "9"
    & skf18("5","9","2","6","4","1","1") = "8"
    & skf18("5","9","2","6","4","2","1") = "8"
    & skf18("5","9","2","6","4","3","1") = "8"
    & skf18("5","9","2","6","4","4","1") = "8"
    & skf18("5","9","2","6","4","5","1") = "8"
    & skf18("5","9","2","6","4","6","1") = "8"
    & skf18("5","9","2","6","4","7","1") = "8"
    & skf18("5","9","2","6","4","8","1") = "8"
    & skf18("5","9","2","6","4","9","1") = "8"
    & skf18("5","9","2","6","4","10","1") = "9"
    & skf18("5","9","2","6","5","1","1") = "8"
    & skf18("5","9","2","6","5","2","1") = "8"
    & skf18("5","9","2","6","5","3","1") = "8"
    & skf18("5","9","2","6","5","4","1") = "8"
    & skf18("5","9","2","6","5","5","1") = "8"
    & skf18("5","9","2","6","5","6","1") = "8"
    & skf18("5","9","2","6","5","7","1") = "8"
    & skf18("5","9","2","6","5","8","1") = "8"
    & skf18("5","9","2","6","5","9","1") = "8"
    & skf18("5","9","2","6","5","10","1") = "9"
    & skf18("5","9","2","6","6","1","1") = "8"
    & skf18("5","9","2","6","6","2","1") = "8"
    & skf18("5","9","2","6","6","3","1") = "8"
    & skf18("5","9","2","6","6","4","1") = "8"
    & skf18("5","9","2","6","6","5","1") = "8"
    & skf18("5","9","2","6","6","6","1") = "8"
    & skf18("5","9","2","6","6","7","1") = "8"
    & skf18("5","9","2","6","6","8","1") = "8"
    & skf18("5","9","2","6","6","9","1") = "8"
    & skf18("5","9","2","6","6","10","1") = "9"
    & skf18("5","9","2","6","7","1","1") = "8"
    & skf18("5","9","2","6","7","2","1") = "8"
    & skf18("5","9","2","6","7","3","1") = "8"
    & skf18("5","9","2","6","7","4","1") = "8"
    & skf18("5","9","2","6","7","5","1") = "8"
    & skf18("5","9","2","6","7","6","1") = "8"
    & skf18("5","9","2","6","7","7","1") = "8"
    & skf18("5","9","2","6","7","8","1") = "8"
    & skf18("5","9","2","6","7","9","1") = "8"
    & skf18("5","9","2","6","7","10","1") = "9"
    & skf18("5","9","2","6","8","1","1") = "8"
    & skf18("5","9","2","6","8","2","1") = "8"
    & skf18("5","9","2","6","8","3","1") = "8"
    & skf18("5","9","2","6","8","4","1") = "8"
    & skf18("5","9","2","6","8","5","1") = "8"
    & skf18("5","9","2","6","8","6","1") = "8"
    & skf18("5","9","2","6","8","7","1") = "8"
    & skf18("5","9","2","6","8","8","1") = "8"
    & skf18("5","9","2","6","8","9","1") = "8"
    & skf18("5","9","2","6","8","10","1") = "9"
    & skf18("5","9","2","6","9","1","1") = "8"
    & skf18("5","9","2","6","9","2","1") = "8"
    & skf18("5","9","2","6","9","3","1") = "8"
    & skf18("5","9","2","6","9","4","1") = "8"
    & skf18("5","9","2","6","9","5","1") = "8"
    & skf18("5","9","2","6","9","6","1") = "8"
    & skf18("5","9","2","6","9","7","1") = "8"
    & skf18("5","9","2","6","9","8","1") = "8"
    & skf18("5","9","2","6","9","9","1") = "8"
    & skf18("5","9","2","6","9","10","1") = "9"
    & skf18("5","9","2","6","10","1","1") = "9"
    & skf18("5","9","2","6","10","2","1") = "9"
    & skf18("5","9","2","6","10","3","1") = "9"
    & skf18("5","9","2","6","10","4","1") = "9"
    & skf18("5","9","2","6","10","5","1") = "9"
    & skf18("5","9","2","6","10","6","1") = "9"
    & skf18("5","9","2","6","10","7","1") = "9"
    & skf18("5","9","2","6","10","8","1") = "9"
    & skf18("5","9","2","6","10","9","1") = "9"
    & skf18("5","9","2","6","10","10","1") = "9"
    & skf18("5","9","2","7","1","1","1") = "8"
    & skf18("5","9","2","7","1","2","1") = "8"
    & skf18("5","9","2","7","1","3","1") = "8"
    & skf18("5","9","2","7","1","4","1") = "8"
    & skf18("5","9","2","7","1","5","1") = "8"
    & skf18("5","9","2","7","1","6","1") = "8"
    & skf18("5","9","2","7","1","7","1") = "8"
    & skf18("5","9","2","7","1","8","1") = "8"
    & skf18("5","9","2","7","1","9","1") = "8"
    & skf18("5","9","2","7","1","10","1") = "9"
    & skf18("5","9","2","7","2","1","1") = "8"
    & skf18("5","9","2","7","2","2","1") = "8"
    & skf18("5","9","2","7","2","3","1") = "8"
    & skf18("5","9","2","7","2","4","1") = "8"
    & skf18("5","9","2","7","2","5","1") = "8"
    & skf18("5","9","2","7","2","6","1") = "8"
    & skf18("5","9","2","7","2","7","1") = "8"
    & skf18("5","9","2","7","2","8","1") = "8"
    & skf18("5","9","2","7","2","9","1") = "8"
    & skf18("5","9","2","7","2","10","1") = "9"
    & skf18("5","9","2","7","3","1","1") = "8"
    & skf18("5","9","2","7","3","2","1") = "8"
    & skf18("5","9","2","7","3","3","1") = "8"
    & skf18("5","9","2","7","3","4","1") = "8"
    & skf18("5","9","2","7","3","5","1") = "8"
    & skf18("5","9","2","7","3","6","1") = "8"
    & skf18("5","9","2","7","3","7","1") = "8"
    & skf18("5","9","2","7","3","8","1") = "8"
    & skf18("5","9","2","7","3","9","1") = "8"
    & skf18("5","9","2","7","3","10","1") = "9"
    & skf18("5","9","2","7","4","1","1") = "8"
    & skf18("5","9","2","7","4","2","1") = "8"
    & skf18("5","9","2","7","4","3","1") = "8"
    & skf18("5","9","2","7","4","4","1") = "8"
    & skf18("5","9","2","7","4","5","1") = "8"
    & skf18("5","9","2","7","4","6","1") = "8"
    & skf18("5","9","2","7","4","7","1") = "8"
    & skf18("5","9","2","7","4","8","1") = "8"
    & skf18("5","9","2","7","4","9","1") = "8"
    & skf18("5","9","2","7","4","10","1") = "9"
    & skf18("5","9","2","7","5","1","1") = "8"
    & skf18("5","9","2","7","5","2","1") = "8"
    & skf18("5","9","2","7","5","3","1") = "8"
    & skf18("5","9","2","7","5","4","1") = "8"
    & skf18("5","9","2","7","5","5","1") = "8"
    & skf18("5","9","2","7","5","6","1") = "8"
    & skf18("5","9","2","7","5","7","1") = "8"
    & skf18("5","9","2","7","5","8","1") = "8"
    & skf18("5","9","2","7","5","9","1") = "8"
    & skf18("5","9","2","7","5","10","1") = "9"
    & skf18("5","9","2","7","6","1","1") = "8"
    & skf18("5","9","2","7","6","2","1") = "8"
    & skf18("5","9","2","7","6","3","1") = "8"
    & skf18("5","9","2","7","6","4","1") = "8"
    & skf18("5","9","2","7","6","5","1") = "8"
    & skf18("5","9","2","7","6","6","1") = "8"
    & skf18("5","9","2","7","6","7","1") = "8"
    & skf18("5","9","2","7","6","8","1") = "8"
    & skf18("5","9","2","7","6","9","1") = "8"
    & skf18("5","9","2","7","6","10","1") = "9"
    & skf18("5","9","2","7","7","1","1") = "8"
    & skf18("5","9","2","7","7","2","1") = "8"
    & skf18("5","9","2","7","7","3","1") = "8"
    & skf18("5","9","2","7","7","4","1") = "8"
    & skf18("5","9","2","7","7","5","1") = "8"
    & skf18("5","9","2","7","7","6","1") = "8"
    & skf18("5","9","2","7","7","7","1") = "8"
    & skf18("5","9","2","7","7","8","1") = "8"
    & skf18("5","9","2","7","7","9","1") = "8"
    & skf18("5","9","2","7","7","10","1") = "9"
    & skf18("5","9","2","7","8","1","1") = "8"
    & skf18("5","9","2","7","8","2","1") = "8"
    & skf18("5","9","2","7","8","3","1") = "8"
    & skf18("5","9","2","7","8","4","1") = "8"
    & skf18("5","9","2","7","8","5","1") = "8"
    & skf18("5","9","2","7","8","6","1") = "8"
    & skf18("5","9","2","7","8","7","1") = "8"
    & skf18("5","9","2","7","8","8","1") = "8"
    & skf18("5","9","2","7","8","9","1") = "8"
    & skf18("5","9","2","7","8","10","1") = "9"
    & skf18("5","9","2","7","9","1","1") = "8"
    & skf18("5","9","2","7","9","2","1") = "8"
    & skf18("5","9","2","7","9","3","1") = "8"
    & skf18("5","9","2","7","9","4","1") = "8"
    & skf18("5","9","2","7","9","5","1") = "8"
    & skf18("5","9","2","7","9","6","1") = "8"
    & skf18("5","9","2","7","9","7","1") = "8"
    & skf18("5","9","2","7","9","8","1") = "8"
    & skf18("5","9","2","7","9","9","1") = "8"
    & skf18("5","9","2","7","9","10","1") = "9"
    & skf18("5","9","2","7","10","1","1") = "9"
    & skf18("5","9","2","7","10","2","1") = "9"
    & skf18("5","9","2","7","10","3","1") = "9"
    & skf18("5","9","2","7","10","4","1") = "9"
    & skf18("5","9","2","7","10","5","1") = "9"
    & skf18("5","9","2","7","10","6","1") = "9"
    & skf18("5","9","2","7","10","7","1") = "9"
    & skf18("5","9","2","7","10","8","1") = "9"
    & skf18("5","9","2","7","10","9","1") = "9"
    & skf18("5","9","2","7","10","10","1") = "9"
    & skf18("5","9","2","8","1","1","1") = "8"
    & skf18("5","9","2","8","1","2","1") = "8"
    & skf18("5","9","2","8","1","3","1") = "8"
    & skf18("5","9","2","8","1","4","1") = "8"
    & skf18("5","9","2","8","1","5","1") = "8"
    & skf18("5","9","2","8","1","6","1") = "8"
    & skf18("5","9","2","8","1","7","1") = "8"
    & skf18("5","9","2","8","1","8","1") = "8"
    & skf18("5","9","2","8","1","9","1") = "8"
    & skf18("5","9","2","8","1","10","1") = "9"
    & skf18("5","9","2","8","2","1","1") = "8"
    & skf18("5","9","2","8","2","2","1") = "8"
    & skf18("5","9","2","8","2","3","1") = "8"
    & skf18("5","9","2","8","2","4","1") = "8"
    & skf18("5","9","2","8","2","5","1") = "8"
    & skf18("5","9","2","8","2","6","1") = "8"
    & skf18("5","9","2","8","2","7","1") = "8"
    & skf18("5","9","2","8","2","8","1") = "8"
    & skf18("5","9","2","8","2","9","1") = "8"
    & skf18("5","9","2","8","2","10","1") = "9"
    & skf18("5","9","2","8","3","1","1") = "8"
    & skf18("5","9","2","8","3","2","1") = "8"
    & skf18("5","9","2","8","3","3","1") = "8"
    & skf18("5","9","2","8","3","4","1") = "8"
    & skf18("5","9","2","8","3","5","1") = "8"
    & skf18("5","9","2","8","3","6","1") = "8"
    & skf18("5","9","2","8","3","7","1") = "8"
    & skf18("5","9","2","8","3","8","1") = "8"
    & skf18("5","9","2","8","3","9","1") = "8"
    & skf18("5","9","2","8","3","10","1") = "9"
    & skf18("5","9","2","8","4","1","1") = "8"
    & skf18("5","9","2","8","4","2","1") = "8"
    & skf18("5","9","2","8","4","3","1") = "8"
    & skf18("5","9","2","8","4","4","1") = "8"
    & skf18("5","9","2","8","4","5","1") = "8"
    & skf18("5","9","2","8","4","6","1") = "8"
    & skf18("5","9","2","8","4","7","1") = "8"
    & skf18("5","9","2","8","4","8","1") = "8"
    & skf18("5","9","2","8","4","9","1") = "8"
    & skf18("5","9","2","8","4","10","1") = "9"
    & skf18("5","9","2","8","5","1","1") = "8"
    & skf18("5","9","2","8","5","2","1") = "8"
    & skf18("5","9","2","8","5","3","1") = "8"
    & skf18("5","9","2","8","5","4","1") = "8"
    & skf18("5","9","2","8","5","5","1") = "8"
    & skf18("5","9","2","8","5","6","1") = "8"
    & skf18("5","9","2","8","5","7","1") = "8"
    & skf18("5","9","2","8","5","8","1") = "8"
    & skf18("5","9","2","8","5","9","1") = "8"
    & skf18("5","9","2","8","5","10","1") = "9"
    & skf18("5","9","2","8","6","1","1") = "8"
    & skf18("5","9","2","8","6","2","1") = "8"
    & skf18("5","9","2","8","6","3","1") = "8"
    & skf18("5","9","2","8","6","4","1") = "8"
    & skf18("5","9","2","8","6","5","1") = "8"
    & skf18("5","9","2","8","6","6","1") = "8"
    & skf18("5","9","2","8","6","7","1") = "8"
    & skf18("5","9","2","8","6","8","1") = "8"
    & skf18("5","9","2","8","6","9","1") = "8"
    & skf18("5","9","2","8","6","10","1") = "9"
    & skf18("5","9","2","8","7","1","1") = "8"
    & skf18("5","9","2","8","7","2","1") = "8"
    & skf18("5","9","2","8","7","3","1") = "8"
    & skf18("5","9","2","8","7","4","1") = "8"
    & skf18("5","9","2","8","7","5","1") = "8"
    & skf18("5","9","2","8","7","6","1") = "8"
    & skf18("5","9","2","8","7","7","1") = "8"
    & skf18("5","9","2","8","7","8","1") = "8"
    & skf18("5","9","2","8","7","9","1") = "8"
    & skf18("5","9","2","8","7","10","1") = "9"
    & skf18("5","9","2","8","8","1","1") = "8"
    & skf18("5","9","2","8","8","2","1") = "8"
    & skf18("5","9","2","8","8","3","1") = "8"
    & skf18("5","9","2","8","8","4","1") = "8"
    & skf18("5","9","2","8","8","5","1") = "8"
    & skf18("5","9","2","8","8","6","1") = "8"
    & skf18("5","9","2","8","8","7","1") = "8"
    & skf18("5","9","2","8","8","8","1") = "8"
    & skf18("5","9","2","8","8","9","1") = "8"
    & skf18("5","9","2","8","8","10","1") = "9"
    & skf18("5","9","2","8","9","1","1") = "8"
    & skf18("5","9","2","8","9","2","1") = "8"
    & skf18("5","9","2","8","9","3","1") = "8"
    & skf18("5","9","2","8","9","4","1") = "8"
    & skf18("5","9","2","8","9","5","1") = "8"
    & skf18("5","9","2","8","9","6","1") = "8"
    & skf18("5","9","2","8","9","7","1") = "8"
    & skf18("5","9","2","8","9","8","1") = "8"
    & skf18("5","9","2","8","9","9","1") = "8"
    & skf18("5","9","2","8","9","10","1") = "9"
    & skf18("5","9","2","8","10","1","1") = "9"
    & skf18("5","9","2","8","10","2","1") = "9"
    & skf18("5","9","2","8","10","3","1") = "9"
    & skf18("5","9","2","8","10","4","1") = "9"
    & skf18("5","9","2","8","10","5","1") = "9"
    & skf18("5","9","2","8","10","6","1") = "9"
    & skf18("5","9","2","8","10","7","1") = "9"
    & skf18("5","9","2","8","10","8","1") = "9"
    & skf18("5","9","2","8","10","9","1") = "9"
    & skf18("5","9","2","8","10","10","1") = "9"
    & skf18("5","9","2","9","1","1","1") = "8"
    & skf18("5","9","2","9","1","2","1") = "8"
    & skf18("5","9","2","9","1","3","1") = "8"
    & skf18("5","9","2","9","1","4","1") = "8"
    & skf18("5","9","2","9","1","5","1") = "8"
    & skf18("5","9","2","9","1","6","1") = "8"
    & skf18("5","9","2","9","1","7","1") = "8"
    & skf18("5","9","2","9","1","8","1") = "8"
    & skf18("5","9","2","9","1","9","1") = "8"
    & skf18("5","9","2","9","1","10","1") = "9"
    & skf18("5","9","2","9","2","1","1") = "8"
    & skf18("5","9","2","9","2","2","1") = "8"
    & skf18("5","9","2","9","2","3","1") = "8"
    & skf18("5","9","2","9","2","4","1") = "8"
    & skf18("5","9","2","9","2","5","1") = "8"
    & skf18("5","9","2","9","2","6","1") = "8"
    & skf18("5","9","2","9","2","7","1") = "8"
    & skf18("5","9","2","9","2","8","1") = "8"
    & skf18("5","9","2","9","2","9","1") = "8"
    & skf18("5","9","2","9","2","10","1") = "9"
    & skf18("5","9","2","9","3","1","1") = "8"
    & skf18("5","9","2","9","3","2","1") = "8"
    & skf18("5","9","2","9","3","3","1") = "8"
    & skf18("5","9","2","9","3","4","1") = "8"
    & skf18("5","9","2","9","3","5","1") = "8"
    & skf18("5","9","2","9","3","6","1") = "8"
    & skf18("5","9","2","9","3","7","1") = "8"
    & skf18("5","9","2","9","3","8","1") = "8"
    & skf18("5","9","2","9","3","9","1") = "8"
    & skf18("5","9","2","9","3","10","1") = "9"
    & skf18("5","9","2","9","4","1","1") = "8"
    & skf18("5","9","2","9","4","2","1") = "8"
    & skf18("5","9","2","9","4","3","1") = "8"
    & skf18("5","9","2","9","4","4","1") = "8"
    & skf18("5","9","2","9","4","5","1") = "8"
    & skf18("5","9","2","9","4","6","1") = "8"
    & skf18("5","9","2","9","4","7","1") = "8"
    & skf18("5","9","2","9","4","8","1") = "8"
    & skf18("5","9","2","9","4","9","1") = "8"
    & skf18("5","9","2","9","4","10","1") = "9"
    & skf18("5","9","2","9","5","1","1") = "8"
    & skf18("5","9","2","9","5","2","1") = "8"
    & skf18("5","9","2","9","5","3","1") = "8"
    & skf18("5","9","2","9","5","4","1") = "8"
    & skf18("5","9","2","9","5","5","1") = "8"
    & skf18("5","9","2","9","5","6","1") = "8"
    & skf18("5","9","2","9","5","7","1") = "8"
    & skf18("5","9","2","9","5","8","1") = "8"
    & skf18("5","9","2","9","5","9","1") = "8"
    & skf18("5","9","2","9","5","10","1") = "9"
    & skf18("5","9","2","9","6","1","1") = "8"
    & skf18("5","9","2","9","6","2","1") = "8"
    & skf18("5","9","2","9","6","3","1") = "8"
    & skf18("5","9","2","9","6","4","1") = "8"
    & skf18("5","9","2","9","6","5","1") = "8"
    & skf18("5","9","2","9","6","6","1") = "8"
    & skf18("5","9","2","9","6","7","1") = "8"
    & skf18("5","9","2","9","6","8","1") = "8"
    & skf18("5","9","2","9","6","9","1") = "8"
    & skf18("5","9","2","9","6","10","1") = "9"
    & skf18("5","9","2","9","7","1","1") = "8"
    & skf18("5","9","2","9","7","2","1") = "8"
    & skf18("5","9","2","9","7","3","1") = "8"
    & skf18("5","9","2","9","7","4","1") = "8"
    & skf18("5","9","2","9","7","5","1") = "8"
    & skf18("5","9","2","9","7","6","1") = "8"
    & skf18("5","9","2","9","7","7","1") = "8"
    & skf18("5","9","2","9","7","8","1") = "8"
    & skf18("5","9","2","9","7","9","1") = "8"
    & skf18("5","9","2","9","7","10","1") = "9"
    & skf18("5","9","2","9","8","1","1") = "8"
    & skf18("5","9","2","9","8","2","1") = "8"
    & skf18("5","9","2","9","8","3","1") = "8"
    & skf18("5","9","2","9","8","4","1") = "8"
    & skf18("5","9","2","9","8","5","1") = "8"
    & skf18("5","9","2","9","8","6","1") = "8"
    & skf18("5","9","2","9","8","7","1") = "8"
    & skf18("5","9","2","9","8","8","1") = "8"
    & skf18("5","9","2","9","8","9","1") = "8"
    & skf18("5","9","2","9","8","10","1") = "9"
    & skf18("5","9","2","9","9","1","1") = "8"
    & skf18("5","9","2","9","9","2","1") = "8"
    & skf18("5","9","2","9","9","3","1") = "8"
    & skf18("5","9","2","9","9","4","1") = "8"
    & skf18("5","9","2","9","9","5","1") = "8"
    & skf18("5","9","2","9","9","6","1") = "8"
    & skf18("5","9","2","9","9","7","1") = "8"
    & skf18("5","9","2","9","9","8","1") = "8"
    & skf18("5","9","2","9","9","9","1") = "8"
    & skf18("5","9","2","9","9","10","1") = "9"
    & skf18("5","9","2","9","10","1","1") = "9"
    & skf18("5","9","2","9","10","2","1") = "9"
    & skf18("5","9","2","9","10","3","1") = "9"
    & skf18("5","9","2","9","10","4","1") = "9"
    & skf18("5","9","2","9","10","5","1") = "9"
    & skf18("5","9","2","9","10","6","1") = "9"
    & skf18("5","9","2","9","10","7","1") = "9"
    & skf18("5","9","2","9","10","8","1") = "9"
    & skf18("5","9","2","9","10","9","1") = "9"
    & skf18("5","9","2","9","10","10","1") = "9"
    & skf18("5","9","2","10","1","1","1") = "9"
    & skf18("5","9","2","10","1","2","1") = "9"
    & skf18("5","9","2","10","1","3","1") = "9"
    & skf18("5","9","2","10","1","4","1") = "9"
    & skf18("5","9","2","10","1","5","1") = "9"
    & skf18("5","9","2","10","1","6","1") = "9"
    & skf18("5","9","2","10","1","7","1") = "9"
    & skf18("5","9","2","10","1","8","1") = "9"
    & skf18("5","9","2","10","1","9","1") = "9"
    & skf18("5","9","2","10","1","10","1") = "9"
    & skf18("5","9","2","10","2","1","1") = "9"
    & skf18("5","9","2","10","2","2","1") = "9"
    & skf18("5","9","2","10","2","3","1") = "9"
    & skf18("5","9","2","10","2","4","1") = "9"
    & skf18("5","9","2","10","2","5","1") = "9"
    & skf18("5","9","2","10","2","6","1") = "9"
    & skf18("5","9","2","10","2","7","1") = "9"
    & skf18("5","9","2","10","2","8","1") = "9"
    & skf18("5","9","2","10","2","9","1") = "9"
    & skf18("5","9","2","10","2","10","1") = "9"
    & skf18("5","9","2","10","3","1","1") = "9"
    & skf18("5","9","2","10","3","2","1") = "9"
    & skf18("5","9","2","10","3","3","1") = "9"
    & skf18("5","9","2","10","3","4","1") = "9"
    & skf18("5","9","2","10","3","5","1") = "9"
    & skf18("5","9","2","10","3","6","1") = "9"
    & skf18("5","9","2","10","3","7","1") = "9"
    & skf18("5","9","2","10","3","8","1") = "9"
    & skf18("5","9","2","10","3","9","1") = "9"
    & skf18("5","9","2","10","3","10","1") = "9"
    & skf18("5","9","2","10","4","1","1") = "9"
    & skf18("5","9","2","10","4","2","1") = "9"
    & skf18("5","9","2","10","4","3","1") = "9"
    & skf18("5","9","2","10","4","4","1") = "9"
    & skf18("5","9","2","10","4","5","1") = "9"
    & skf18("5","9","2","10","4","6","1") = "9"
    & skf18("5","9","2","10","4","7","1") = "9"
    & skf18("5","9","2","10","4","8","1") = "9"
    & skf18("5","9","2","10","4","9","1") = "9"
    & skf18("5","9","2","10","4","10","1") = "9"
    & skf18("5","9","2","10","5","1","1") = "9"
    & skf18("5","9","2","10","5","2","1") = "9"
    & skf18("5","9","2","10","5","3","1") = "9"
    & skf18("5","9","2","10","5","4","1") = "9"
    & skf18("5","9","2","10","5","5","1") = "9"
    & skf18("5","9","2","10","5","6","1") = "9"
    & skf18("5","9","2","10","5","7","1") = "9"
    & skf18("5","9","2","10","5","8","1") = "9"
    & skf18("5","9","2","10","5","9","1") = "9"
    & skf18("5","9","2","10","5","10","1") = "9"
    & skf18("5","9","2","10","6","1","1") = "9"
    & skf18("5","9","2","10","6","2","1") = "9"
    & skf18("5","9","2","10","6","3","1") = "9"
    & skf18("5","9","2","10","6","4","1") = "9"
    & skf18("5","9","2","10","6","5","1") = "9"
    & skf18("5","9","2","10","6","6","1") = "9"
    & skf18("5","9","2","10","6","7","1") = "9"
    & skf18("5","9","2","10","6","8","1") = "9"
    & skf18("5","9","2","10","6","9","1") = "9"
    & skf18("5","9","2","10","6","10","1") = "9"
    & skf18("5","9","2","10","7","1","1") = "9"
    & skf18("5","9","2","10","7","2","1") = "9"
    & skf18("5","9","2","10","7","3","1") = "9"
    & skf18("5","9","2","10","7","4","1") = "9"
    & skf18("5","9","2","10","7","5","1") = "9"
    & skf18("5","9","2","10","7","6","1") = "9"
    & skf18("5","9","2","10","7","7","1") = "9"
    & skf18("5","9","2","10","7","8","1") = "9"
    & skf18("5","9","2","10","7","9","1") = "9"
    & skf18("5","9","2","10","7","10","1") = "9"
    & skf18("5","9","2","10","8","1","1") = "9"
    & skf18("5","9","2","10","8","2","1") = "9"
    & skf18("5","9","2","10","8","3","1") = "9"
    & skf18("5","9","2","10","8","4","1") = "9"
    & skf18("5","9","2","10","8","5","1") = "9"
    & skf18("5","9","2","10","8","6","1") = "9"
    & skf18("5","9","2","10","8","7","1") = "9"
    & skf18("5","9","2","10","8","8","1") = "9"
    & skf18("5","9","2","10","8","9","1") = "9"
    & skf18("5","9","2","10","8","10","1") = "9"
    & skf18("5","9","2","10","9","1","1") = "9"
    & skf18("5","9","2","10","9","2","1") = "9"
    & skf18("5","9","2","10","9","3","1") = "9"
    & skf18("5","9","2","10","9","4","1") = "9"
    & skf18("5","9","2","10","9","5","1") = "9"
    & skf18("5","9","2","10","9","6","1") = "9"
    & skf18("5","9","2","10","9","7","1") = "9"
    & skf18("5","9","2","10","9","8","1") = "9"
    & skf18("5","9","2","10","9","9","1") = "9"
    & skf18("5","9","2","10","9","10","1") = "9"
    & skf18("5","9","2","10","10","1","1") = "9"
    & skf18("5","9","2","10","10","2","1") = "9"
    & skf18("5","9","2","10","10","3","1") = "9"
    & skf18("5","9","2","10","10","4","1") = "9"
    & skf18("5","9","2","10","10","5","1") = "9"
    & skf18("5","9","2","10","10","6","1") = "9"
    & skf18("5","9","2","10","10","7","1") = "9"
    & skf18("5","9","2","10","10","8","1") = "9"
    & skf18("5","9","2","10","10","9","1") = "9"
    & skf18("5","9","2","10","10","10","1") = "9"
    & skf18("5","9","3","1","1","1","1") = "8"
    & skf18("5","9","3","1","1","2","1") = "8"
    & skf18("5","9","3","1","1","3","1") = "8"
    & skf18("5","9","3","1","1","4","1") = "8"
    & skf18("5","9","3","1","1","5","1") = "8"
    & skf18("5","9","3","1","1","6","1") = "8"
    & skf18("5","9","3","1","1","7","1") = "8"
    & skf18("5","9","3","1","1","8","1") = "8"
    & skf18("5","9","3","1","1","9","1") = "8"
    & skf18("5","9","3","1","1","10","1") = "9"
    & skf18("5","9","3","1","2","1","1") = "8"
    & skf18("5","9","3","1","2","2","1") = "8"
    & skf18("5","9","3","1","2","3","1") = "8"
    & skf18("5","9","3","1","2","4","1") = "8"
    & skf18("5","9","3","1","2","5","1") = "8"
    & skf18("5","9","3","1","2","6","1") = "8"
    & skf18("5","9","3","1","2","7","1") = "8"
    & skf18("5","9","3","1","2","8","1") = "8"
    & skf18("5","9","3","1","2","9","1") = "8"
    & skf18("5","9","3","1","2","10","1") = "9"
    & skf18("5","9","3","1","3","1","1") = "8"
    & skf18("5","9","3","1","3","2","1") = "8"
    & skf18("5","9","3","1","3","3","1") = "8"
    & skf18("5","9","3","1","3","4","1") = "8"
    & skf18("5","9","3","1","3","5","1") = "8"
    & skf18("5","9","3","1","3","6","1") = "8"
    & skf18("5","9","3","1","3","7","1") = "8"
    & skf18("5","9","3","1","3","8","1") = "8"
    & skf18("5","9","3","1","3","9","1") = "8"
    & skf18("5","9","3","1","3","10","1") = "9"
    & skf18("5","9","3","1","4","1","1") = "8"
    & skf18("5","9","3","1","4","2","1") = "8"
    & skf18("5","9","3","1","4","3","1") = "8"
    & skf18("5","9","3","1","4","4","1") = "8"
    & skf18("5","9","3","1","4","5","1") = "8"
    & skf18("5","9","3","1","4","6","1") = "8"
    & skf18("5","9","3","1","4","7","1") = "8"
    & skf18("5","9","3","1","4","8","1") = "8"
    & skf18("5","9","3","1","4","9","1") = "8"
    & skf18("5","9","3","1","4","10","1") = "9"
    & skf18("5","9","3","1","5","1","1") = "8"
    & skf18("5","9","3","1","5","2","1") = "8"
    & skf18("5","9","3","1","5","3","1") = "8"
    & skf18("5","9","3","1","5","4","1") = "8"
    & skf18("5","9","3","1","5","5","1") = "8"
    & skf18("5","9","3","1","5","6","1") = "8"
    & skf18("5","9","3","1","5","7","1") = "8"
    & skf18("5","9","3","1","5","8","1") = "8"
    & skf18("5","9","3","1","5","9","1") = "8"
    & skf18("5","9","3","1","5","10","1") = "9"
    & skf18("5","9","3","1","6","1","1") = "8"
    & skf18("5","9","3","1","6","2","1") = "8"
    & skf18("5","9","3","1","6","3","1") = "8"
    & skf18("5","9","3","1","6","4","1") = "8"
    & skf18("5","9","3","1","6","5","1") = "8"
    & skf18("5","9","3","1","6","6","1") = "8"
    & skf18("5","9","3","1","6","7","1") = "8"
    & skf18("5","9","3","1","6","8","1") = "8"
    & skf18("5","9","3","1","6","9","1") = "8"
    & skf18("5","9","3","1","6","10","1") = "9"
    & skf18("5","9","3","1","7","1","1") = "8"
    & skf18("5","9","3","1","7","2","1") = "8"
    & skf18("5","9","3","1","7","3","1") = "8"
    & skf18("5","9","3","1","7","4","1") = "8"
    & skf18("5","9","3","1","7","5","1") = "8"
    & skf18("5","9","3","1","7","6","1") = "8"
    & skf18("5","9","3","1","7","7","1") = "8"
    & skf18("5","9","3","1","7","8","1") = "8"
    & skf18("5","9","3","1","7","9","1") = "8"
    & skf18("5","9","3","1","7","10","1") = "9"
    & skf18("5","9","3","1","8","1","1") = "8"
    & skf18("5","9","3","1","8","2","1") = "8"
    & skf18("5","9","3","1","8","3","1") = "8"
    & skf18("5","9","3","1","8","4","1") = "8"
    & skf18("5","9","3","1","8","5","1") = "8"
    & skf18("5","9","3","1","8","6","1") = "8"
    & skf18("5","9","3","1","8","7","1") = "8"
    & skf18("5","9","3","1","8","8","1") = "8"
    & skf18("5","9","3","1","8","9","1") = "8"
    & skf18("5","9","3","1","8","10","1") = "9"
    & skf18("5","9","3","1","9","1","1") = "8"
    & skf18("5","9","3","1","9","2","1") = "8"
    & skf18("5","9","3","1","9","3","1") = "8"
    & skf18("5","9","3","1","9","4","1") = "8"
    & skf18("5","9","3","1","9","5","1") = "8"
    & skf18("5","9","3","1","9","6","1") = "8"
    & skf18("5","9","3","1","9","7","1") = "8"
    & skf18("5","9","3","1","9","8","1") = "8"
    & skf18("5","9","3","1","9","9","1") = "8"
    & skf18("5","9","3","1","9","10","1") = "9"
    & skf18("5","9","3","1","10","1","1") = "9"
    & skf18("5","9","3","1","10","2","1") = "9"
    & skf18("5","9","3","1","10","3","1") = "9"
    & skf18("5","9","3","1","10","4","1") = "9"
    & skf18("5","9","3","1","10","5","1") = "9"
    & skf18("5","9","3","1","10","6","1") = "9"
    & skf18("5","9","3","1","10","7","1") = "9"
    & skf18("5","9","3","1","10","8","1") = "9"
    & skf18("5","9","3","1","10","9","1") = "9"
    & skf18("5","9","3","1","10","10","1") = "9"
    & skf18("5","9","3","2","1","1","1") = "8"
    & skf18("5","9","3","2","1","2","1") = "8"
    & skf18("5","9","3","2","1","3","1") = "8"
    & skf18("5","9","3","2","1","4","1") = "8"
    & skf18("5","9","3","2","1","5","1") = "8"
    & skf18("5","9","3","2","1","6","1") = "8"
    & skf18("5","9","3","2","1","7","1") = "8"
    & skf18("5","9","3","2","1","8","1") = "8"
    & skf18("5","9","3","2","1","9","1") = "8"
    & skf18("5","9","3","2","1","10","1") = "9"
    & skf18("5","9","3","2","2","1","1") = "8"
    & skf18("5","9","3","2","2","2","1") = "8"
    & skf18("5","9","3","2","2","3","1") = "8"
    & skf18("5","9","3","2","2","4","1") = "8"
    & skf18("5","9","3","2","2","5","1") = "8"
    & skf18("5","9","3","2","2","6","1") = "8"
    & skf18("5","9","3","2","2","7","1") = "8"
    & skf18("5","9","3","2","2","8","1") = "8"
    & skf18("5","9","3","2","2","9","1") = "8"
    & skf18("5","9","3","2","2","10","1") = "9"
    & skf18("5","9","3","2","3","1","1") = "8"
    & skf18("5","9","3","2","3","2","1") = "8"
    & skf18("5","9","3","2","3","3","1") = "8"
    & skf18("5","9","3","2","3","4","1") = "8"
    & skf18("5","9","3","2","3","5","1") = "8"
    & skf18("5","9","3","2","3","6","1") = "8"
    & skf18("5","9","3","2","3","7","1") = "8"
    & skf18("5","9","3","2","3","8","1") = "8"
    & skf18("5","9","3","2","3","9","1") = "8"
    & skf18("5","9","3","2","3","10","1") = "9"
    & skf18("5","9","3","2","4","1","1") = "8"
    & skf18("5","9","3","2","4","2","1") = "8"
    & skf18("5","9","3","2","4","3","1") = "8"
    & skf18("5","9","3","2","4","4","1") = "8"
    & skf18("5","9","3","2","4","5","1") = "8"
    & skf18("5","9","3","2","4","6","1") = "8"
    & skf18("5","9","3","2","4","7","1") = "8"
    & skf18("5","9","3","2","4","8","1") = "8"
    & skf18("5","9","3","2","4","9","1") = "8"
    & skf18("5","9","3","2","4","10","1") = "9"
    & skf18("5","9","3","2","5","1","1") = "8"
    & skf18("5","9","3","2","5","2","1") = "8"
    & skf18("5","9","3","2","5","3","1") = "8"
    & skf18("5","9","3","2","5","4","1") = "8"
    & skf18("5","9","3","2","5","5","1") = "8"
    & skf18("5","9","3","2","5","6","1") = "8"
    & skf18("5","9","3","2","5","7","1") = "8"
    & skf18("5","9","3","2","5","8","1") = "8"
    & skf18("5","9","3","2","5","9","1") = "8"
    & skf18("5","9","3","2","5","10","1") = "9"
    & skf18("5","9","3","2","6","1","1") = "8"
    & skf18("5","9","3","2","6","2","1") = "8"
    & skf18("5","9","3","2","6","3","1") = "8"
    & skf18("5","9","3","2","6","4","1") = "8"
    & skf18("5","9","3","2","6","5","1") = "8"
    & skf18("5","9","3","2","6","6","1") = "8"
    & skf18("5","9","3","2","6","7","1") = "8"
    & skf18("5","9","3","2","6","8","1") = "8"
    & skf18("5","9","3","2","6","9","1") = "8"
    & skf18("5","9","3","2","6","10","1") = "9"
    & skf18("5","9","3","2","7","1","1") = "8"
    & skf18("5","9","3","2","7","2","1") = "8"
    & skf18("5","9","3","2","7","3","1") = "8"
    & skf18("5","9","3","2","7","4","1") = "8"
    & skf18("5","9","3","2","7","5","1") = "8"
    & skf18("5","9","3","2","7","6","1") = "8"
    & skf18("5","9","3","2","7","7","1") = "8"
    & skf18("5","9","3","2","7","8","1") = "8"
    & skf18("5","9","3","2","7","9","1") = "8"
    & skf18("5","9","3","2","7","10","1") = "9"
    & skf18("5","9","3","2","8","1","1") = "8"
    & skf18("5","9","3","2","8","2","1") = "8"
    & skf18("5","9","3","2","8","3","1") = "8"
    & skf18("5","9","3","2","8","4","1") = "8"
    & skf18("5","9","3","2","8","5","1") = "8"
    & skf18("5","9","3","2","8","6","1") = "8"
    & skf18("5","9","3","2","8","7","1") = "8"
    & skf18("5","9","3","2","8","8","1") = "8"
    & skf18("5","9","3","2","8","9","1") = "8"
    & skf18("5","9","3","2","8","10","1") = "9"
    & skf18("5","9","3","2","9","1","1") = "8"
    & skf18("5","9","3","2","9","2","1") = "8"
    & skf18("5","9","3","2","9","3","1") = "8"
    & skf18("5","9","3","2","9","4","1") = "8"
    & skf18("5","9","3","2","9","5","1") = "8"
    & skf18("5","9","3","2","9","6","1") = "8"
    & skf18("5","9","3","2","9","7","1") = "8"
    & skf18("5","9","3","2","9","8","1") = "8"
    & skf18("5","9","3","2","9","9","1") = "8"
    & skf18("5","9","3","2","9","10","1") = "9"
    & skf18("5","9","3","2","10","1","1") = "9"
    & skf18("5","9","3","2","10","2","1") = "9"
    & skf18("5","9","3","2","10","3","1") = "9"
    & skf18("5","9","3","2","10","4","1") = "9"
    & skf18("5","9","3","2","10","5","1") = "9"
    & skf18("5","9","3","2","10","6","1") = "9"
    & skf18("5","9","3","2","10","7","1") = "9"
    & skf18("5","9","3","2","10","8","1") = "9"
    & skf18("5","9","3","2","10","9","1") = "9"
    & skf18("5","9","3","2","10","10","1") = "9"
    & skf18("5","9","3","3","1","1","1") = "8"
    & skf18("5","9","3","3","1","2","1") = "8"
    & skf18("5","9","3","3","1","3","1") = "8"
    & skf18("5","9","3","3","1","4","1") = "8"
    & skf18("5","9","3","3","1","5","1") = "8"
    & skf18("5","9","3","3","1","6","1") = "8"
    & skf18("5","9","3","3","1","7","1") = "8"
    & skf18("5","9","3","3","1","8","1") = "8"
    & skf18("5","9","3","3","1","9","1") = "8"
    & skf18("5","9","3","3","1","10","1") = "9"
    & skf18("5","9","3","3","2","1","1") = "8"
    & skf18("5","9","3","3","2","2","1") = "8"
    & skf18("5","9","3","3","2","3","1") = "8"
    & skf18("5","9","3","3","2","4","1") = "8"
    & skf18("5","9","3","3","2","5","1") = "8"
    & skf18("5","9","3","3","2","6","1") = "8"
    & skf18("5","9","3","3","2","7","1") = "8"
    & skf18("5","9","3","3","2","8","1") = "8"
    & skf18("5","9","3","3","2","9","1") = "8"
    & skf18("5","9","3","3","2","10","1") = "9"
    & skf18("5","9","3","3","3","1","1") = "8"
    & skf18("5","9","3","3","3","2","1") = "8"
    & skf18("5","9","3","3","3","3","1") = "8"
    & skf18("5","9","3","3","3","4","1") = "8"
    & skf18("5","9","3","3","3","5","1") = "8"
    & skf18("5","9","3","3","3","6","1") = "8"
    & skf18("5","9","3","3","3","7","1") = "8"
    & skf18("5","9","3","3","3","8","1") = "8"
    & skf18("5","9","3","3","3","9","1") = "8"
    & skf18("5","9","3","3","3","10","1") = "9"
    & skf18("5","9","3","3","4","1","1") = "8"
    & skf18("5","9","3","3","4","2","1") = "8"
    & skf18("5","9","3","3","4","3","1") = "8"
    & skf18("5","9","3","3","4","4","1") = "8"
    & skf18("5","9","3","3","4","5","1") = "8"
    & skf18("5","9","3","3","4","6","1") = "8"
    & skf18("5","9","3","3","4","7","1") = "8"
    & skf18("5","9","3","3","4","8","1") = "8"
    & skf18("5","9","3","3","4","9","1") = "8"
    & skf18("5","9","3","3","4","10","1") = "9"
    & skf18("5","9","3","3","5","1","1") = "8"
    & skf18("5","9","3","3","5","2","1") = "8"
    & skf18("5","9","3","3","5","3","1") = "8"
    & skf18("5","9","3","3","5","4","1") = "8"
    & skf18("5","9","3","3","5","5","1") = "8"
    & skf18("5","9","3","3","5","6","1") = "8"
    & skf18("5","9","3","3","5","7","1") = "8"
    & skf18("5","9","3","3","5","8","1") = "8"
    & skf18("5","9","3","3","5","9","1") = "8"
    & skf18("5","9","3","3","5","10","1") = "9"
    & skf18("5","9","3","3","6","1","1") = "8"
    & skf18("5","9","3","3","6","2","1") = "8"
    & skf18("5","9","3","3","6","3","1") = "8"
    & skf18("5","9","3","3","6","4","1") = "8"
    & skf18("5","9","3","3","6","5","1") = "8"
    & skf18("5","9","3","3","6","6","1") = "8"
    & skf18("5","9","3","3","6","7","1") = "8"
    & skf18("5","9","3","3","6","8","1") = "8"
    & skf18("5","9","3","3","6","9","1") = "8"
    & skf18("5","9","3","3","6","10","1") = "9"
    & skf18("5","9","3","3","7","1","1") = "8"
    & skf18("5","9","3","3","7","2","1") = "8"
    & skf18("5","9","3","3","7","3","1") = "8"
    & skf18("5","9","3","3","7","4","1") = "8"
    & skf18("5","9","3","3","7","5","1") = "8"
    & skf18("5","9","3","3","7","6","1") = "8"
    & skf18("5","9","3","3","7","7","1") = "8"
    & skf18("5","9","3","3","7","8","1") = "8"
    & skf18("5","9","3","3","7","9","1") = "8"
    & skf18("5","9","3","3","7","10","1") = "9"
    & skf18("5","9","3","3","8","1","1") = "8"
    & skf18("5","9","3","3","8","2","1") = "8"
    & skf18("5","9","3","3","8","3","1") = "8"
    & skf18("5","9","3","3","8","4","1") = "8"
    & skf18("5","9","3","3","8","5","1") = "8"
    & skf18("5","9","3","3","8","6","1") = "8"
    & skf18("5","9","3","3","8","7","1") = "8"
    & skf18("5","9","3","3","8","8","1") = "8"
    & skf18("5","9","3","3","8","9","1") = "8"
    & skf18("5","9","3","3","8","10","1") = "9"
    & skf18("5","9","3","3","9","1","1") = "8"
    & skf18("5","9","3","3","9","2","1") = "8"
    & skf18("5","9","3","3","9","3","1") = "8"
    & skf18("5","9","3","3","9","4","1") = "8"
    & skf18("5","9","3","3","9","5","1") = "8"
    & skf18("5","9","3","3","9","6","1") = "8"
    & skf18("5","9","3","3","9","7","1") = "8"
    & skf18("5","9","3","3","9","8","1") = "8"
    & skf18("5","9","3","3","9","9","1") = "8"
    & skf18("5","9","3","3","9","10","1") = "9"
    & skf18("5","9","3","3","10","1","1") = "9"
    & skf18("5","9","3","3","10","2","1") = "9"
    & skf18("5","9","3","3","10","3","1") = "9"
    & skf18("5","9","3","3","10","4","1") = "9"
    & skf18("5","9","3","3","10","5","1") = "9"
    & skf18("5","9","3","3","10","6","1") = "9"
    & skf18("5","9","3","3","10","7","1") = "9"
    & skf18("5","9","3","3","10","8","1") = "9"
    & skf18("5","9","3","3","10","9","1") = "9"
    & skf18("5","9","3","3","10","10","1") = "9"
    & skf18("5","9","3","4","1","1","1") = "8"
    & skf18("5","9","3","4","1","2","1") = "8"
    & skf18("5","9","3","4","1","3","1") = "8"
    & skf18("5","9","3","4","1","4","1") = "8"
    & skf18("5","9","3","4","1","5","1") = "8"
    & skf18("5","9","3","4","1","6","1") = "8"
    & skf18("5","9","3","4","1","7","1") = "8"
    & skf18("5","9","3","4","1","8","1") = "8"
    & skf18("5","9","3","4","1","9","1") = "8"
    & skf18("5","9","3","4","1","10","1") = "9"
    & skf18("5","9","3","4","2","1","1") = "8"
    & skf18("5","9","3","4","2","2","1") = "8"
    & skf18("5","9","3","4","2","3","1") = "8"
    & skf18("5","9","3","4","2","4","1") = "8"
    & skf18("5","9","3","4","2","5","1") = "8"
    & skf18("5","9","3","4","2","6","1") = "8"
    & skf18("5","9","3","4","2","7","1") = "8"
    & skf18("5","9","3","4","2","8","1") = "8"
    & skf18("5","9","3","4","2","9","1") = "8"
    & skf18("5","9","3","4","2","10","1") = "9"
    & skf18("5","9","3","4","3","1","1") = "8"
    & skf18("5","9","3","4","3","2","1") = "8"
    & skf18("5","9","3","4","3","3","1") = "8"
    & skf18("5","9","3","4","3","4","1") = "8"
    & skf18("5","9","3","4","3","5","1") = "8"
    & skf18("5","9","3","4","3","6","1") = "8"
    & skf18("5","9","3","4","3","7","1") = "8"
    & skf18("5","9","3","4","3","8","1") = "8"
    & skf18("5","9","3","4","3","9","1") = "8"
    & skf18("5","9","3","4","3","10","1") = "9"
    & skf18("5","9","3","4","4","1","1") = "8"
    & skf18("5","9","3","4","4","2","1") = "8"
    & skf18("5","9","3","4","4","3","1") = "8"
    & skf18("5","9","3","4","4","4","1") = "8"
    & skf18("5","9","3","4","4","5","1") = "8"
    & skf18("5","9","3","4","4","6","1") = "8"
    & skf18("5","9","3","4","4","7","1") = "8"
    & skf18("5","9","3","4","4","8","1") = "8"
    & skf18("5","9","3","4","4","9","1") = "8"
    & skf18("5","9","3","4","4","10","1") = "9"
    & skf18("5","9","3","4","5","1","1") = "8"
    & skf18("5","9","3","4","5","2","1") = "8"
    & skf18("5","9","3","4","5","3","1") = "8"
    & skf18("5","9","3","4","5","4","1") = "8"
    & skf18("5","9","3","4","5","5","1") = "8"
    & skf18("5","9","3","4","5","6","1") = "8"
    & skf18("5","9","3","4","5","7","1") = "8"
    & skf18("5","9","3","4","5","8","1") = "8"
    & skf18("5","9","3","4","5","9","1") = "8"
    & skf18("5","9","3","4","5","10","1") = "9"
    & skf18("5","9","3","4","6","1","1") = "8"
    & skf18("5","9","3","4","6","2","1") = "8"
    & skf18("5","9","3","4","6","3","1") = "8"
    & skf18("5","9","3","4","6","4","1") = "8"
    & skf18("5","9","3","4","6","5","1") = "8"
    & skf18("5","9","3","4","6","6","1") = "8"
    & skf18("5","9","3","4","6","7","1") = "8"
    & skf18("5","9","3","4","6","8","1") = "8"
    & skf18("5","9","3","4","6","9","1") = "8"
    & skf18("5","9","3","4","6","10","1") = "9"
    & skf18("5","9","3","4","7","1","1") = "8"
    & skf18("5","9","3","4","7","2","1") = "8"
    & skf18("5","9","3","4","7","3","1") = "8"
    & skf18("5","9","3","4","7","4","1") = "8"
    & skf18("5","9","3","4","7","5","1") = "8"
    & skf18("5","9","3","4","7","6","1") = "8"
    & skf18("5","9","3","4","7","7","1") = "8"
    & skf18("5","9","3","4","7","8","1") = "8"
    & skf18("5","9","3","4","7","9","1") = "8"
    & skf18("5","9","3","4","7","10","1") = "9"
    & skf18("5","9","3","4","8","1","1") = "8"
    & skf18("5","9","3","4","8","2","1") = "8"
    & skf18("5","9","3","4","8","3","1") = "8"
    & skf18("5","9","3","4","8","4","1") = "8"
    & skf18("5","9","3","4","8","5","1") = "8"
    & skf18("5","9","3","4","8","6","1") = "8"
    & skf18("5","9","3","4","8","7","1") = "8"
    & skf18("5","9","3","4","8","8","1") = "8"
    & skf18("5","9","3","4","8","9","1") = "8"
    & skf18("5","9","3","4","8","10","1") = "9"
    & skf18("5","9","3","4","9","1","1") = "8"
    & skf18("5","9","3","4","9","2","1") = "8"
    & skf18("5","9","3","4","9","3","1") = "8"
    & skf18("5","9","3","4","9","4","1") = "8"
    & skf18("5","9","3","4","9","5","1") = "8"
    & skf18("5","9","3","4","9","6","1") = "8"
    & skf18("5","9","3","4","9","7","1") = "8"
    & skf18("5","9","3","4","9","8","1") = "8"
    & skf18("5","9","3","4","9","9","1") = "8"
    & skf18("5","9","3","4","9","10","1") = "9"
    & skf18("5","9","3","4","10","1","1") = "9"
    & skf18("5","9","3","4","10","2","1") = "9"
    & skf18("5","9","3","4","10","3","1") = "9"
    & skf18("5","9","3","4","10","4","1") = "9"
    & skf18("5","9","3","4","10","5","1") = "9"
    & skf18("5","9","3","4","10","6","1") = "9"
    & skf18("5","9","3","4","10","7","1") = "9"
    & skf18("5","9","3","4","10","8","1") = "9"
    & skf18("5","9","3","4","10","9","1") = "9"
    & skf18("5","9","3","4","10","10","1") = "9"
    & skf18("5","9","3","5","1","1","1") = "8"
    & skf18("5","9","3","5","1","2","1") = "8"
    & skf18("5","9","3","5","1","3","1") = "8"
    & skf18("5","9","3","5","1","4","1") = "8"
    & skf18("5","9","3","5","1","5","1") = "8"
    & skf18("5","9","3","5","1","6","1") = "8"
    & skf18("5","9","3","5","1","7","1") = "8"
    & skf18("5","9","3","5","1","8","1") = "8"
    & skf18("5","9","3","5","1","9","1") = "8"
    & skf18("5","9","3","5","1","10","1") = "9"
    & skf18("5","9","3","5","2","1","1") = "8"
    & skf18("5","9","3","5","2","2","1") = "8"
    & skf18("5","9","3","5","2","3","1") = "8"
    & skf18("5","9","3","5","2","4","1") = "8"
    & skf18("5","9","3","5","2","5","1") = "8"
    & skf18("5","9","3","5","2","6","1") = "8"
    & skf18("5","9","3","5","2","7","1") = "8"
    & skf18("5","9","3","5","2","8","1") = "8"
    & skf18("5","9","3","5","2","9","1") = "8"
    & skf18("5","9","3","5","2","10","1") = "9"
    & skf18("5","9","3","5","3","1","1") = "8"
    & skf18("5","9","3","5","3","2","1") = "8"
    & skf18("5","9","3","5","3","3","1") = "8"
    & skf18("5","9","3","5","3","4","1") = "8"
    & skf18("5","9","3","5","3","5","1") = "8"
    & skf18("5","9","3","5","3","6","1") = "8"
    & skf18("5","9","3","5","3","7","1") = "8"
    & skf18("5","9","3","5","3","8","1") = "8"
    & skf18("5","9","3","5","3","9","1") = "8"
    & skf18("5","9","3","5","3","10","1") = "9"
    & skf18("5","9","3","5","4","1","1") = "8"
    & skf18("5","9","3","5","4","2","1") = "8"
    & skf18("5","9","3","5","4","3","1") = "8"
    & skf18("5","9","3","5","4","4","1") = "8"
    & skf18("5","9","3","5","4","5","1") = "8"
    & skf18("5","9","3","5","4","6","1") = "8"
    & skf18("5","9","3","5","4","7","1") = "8"
    & skf18("5","9","3","5","4","8","1") = "8"
    & skf18("5","9","3","5","4","9","1") = "8"
    & skf18("5","9","3","5","4","10","1") = "9"
    & skf18("5","9","3","5","5","1","1") = "8"
    & skf18("5","9","3","5","5","2","1") = "8"
    & skf18("5","9","3","5","5","3","1") = "8"
    & skf18("5","9","3","5","5","4","1") = "8"
    & skf18("5","9","3","5","5","5","1") = "8"
    & skf18("5","9","3","5","5","6","1") = "8"
    & skf18("5","9","3","5","5","7","1") = "8"
    & skf18("5","9","3","5","5","8","1") = "8"
    & skf18("5","9","3","5","5","9","1") = "8"
    & skf18("5","9","3","5","5","10","1") = "9"
    & skf18("5","9","3","5","6","1","1") = "8"
    & skf18("5","9","3","5","6","2","1") = "8"
    & skf18("5","9","3","5","6","3","1") = "8"
    & skf18("5","9","3","5","6","4","1") = "8"
    & skf18("5","9","3","5","6","5","1") = "8"
    & skf18("5","9","3","5","6","6","1") = "8"
    & skf18("5","9","3","5","6","7","1") = "8"
    & skf18("5","9","3","5","6","8","1") = "8"
    & skf18("5","9","3","5","6","9","1") = "8"
    & skf18("5","9","3","5","6","10","1") = "9"
    & skf18("5","9","3","5","7","1","1") = "8"
    & skf18("5","9","3","5","7","2","1") = "8"
    & skf18("5","9","3","5","7","3","1") = "8"
    & skf18("5","9","3","5","7","4","1") = "8"
    & skf18("5","9","3","5","7","5","1") = "8"
    & skf18("5","9","3","5","7","6","1") = "8"
    & skf18("5","9","3","5","7","7","1") = "8"
    & skf18("5","9","3","5","7","8","1") = "8"
    & skf18("5","9","3","5","7","9","1") = "8"
    & skf18("5","9","3","5","7","10","1") = "9"
    & skf18("5","9","3","5","8","1","1") = "8"
    & skf18("5","9","3","5","8","2","1") = "8"
    & skf18("5","9","3","5","8","3","1") = "8"
    & skf18("5","9","3","5","8","4","1") = "8"
    & skf18("5","9","3","5","8","5","1") = "8"
    & skf18("5","9","3","5","8","6","1") = "8"
    & skf18("5","9","3","5","8","7","1") = "8"
    & skf18("5","9","3","5","8","8","1") = "8"
    & skf18("5","9","3","5","8","9","1") = "8"
    & skf18("5","9","3","5","8","10","1") = "9"
    & skf18("5","9","3","5","9","1","1") = "8"
    & skf18("5","9","3","5","9","2","1") = "8"
    & skf18("5","9","3","5","9","3","1") = "8"
    & skf18("5","9","3","5","9","4","1") = "8"
    & skf18("5","9","3","5","9","5","1") = "8"
    & skf18("5","9","3","5","9","6","1") = "8"
    & skf18("5","9","3","5","9","7","1") = "8"
    & skf18("5","9","3","5","9","8","1") = "8"
    & skf18("5","9","3","5","9","9","1") = "8"
    & skf18("5","9","3","5","9","10","1") = "9"
    & skf18("5","9","3","5","10","1","1") = "9"
    & skf18("5","9","3","5","10","2","1") = "9"
    & skf18("5","9","3","5","10","3","1") = "9"
    & skf18("5","9","3","5","10","4","1") = "9"
    & skf18("5","9","3","5","10","5","1") = "9"
    & skf18("5","9","3","5","10","6","1") = "9"
    & skf18("5","9","3","5","10","7","1") = "9"
    & skf18("5","9","3","5","10","8","1") = "9"
    & skf18("5","9","3","5","10","9","1") = "9"
    & skf18("5","9","3","5","10","10","1") = "9"
    & skf18("5","9","3","6","1","1","1") = "8"
    & skf18("5","9","3","6","1","2","1") = "8"
    & skf18("5","9","3","6","1","3","1") = "8"
    & skf18("5","9","3","6","1","4","1") = "8"
    & skf18("5","9","3","6","1","5","1") = "8"
    & skf18("5","9","3","6","1","6","1") = "8"
    & skf18("5","9","3","6","1","7","1") = "8"
    & skf18("5","9","3","6","1","8","1") = "8"
    & skf18("5","9","3","6","1","9","1") = "8"
    & skf18("5","9","3","6","1","10","1") = "9"
    & skf18("5","9","3","6","2","1","1") = "8"
    & skf18("5","9","3","6","2","2","1") = "8"
    & skf18("5","9","3","6","2","3","1") = "8"
    & skf18("5","9","3","6","2","4","1") = "8"
    & skf18("5","9","3","6","2","5","1") = "8"
    & skf18("5","9","3","6","2","6","1") = "8"
    & skf18("5","9","3","6","2","7","1") = "8"
    & skf18("5","9","3","6","2","8","1") = "8"
    & skf18("5","9","3","6","2","9","1") = "8"
    & skf18("5","9","3","6","2","10","1") = "9"
    & skf18("5","9","3","6","3","1","1") = "8"
    & skf18("5","9","3","6","3","2","1") = "8"
    & skf18("5","9","3","6","3","3","1") = "8"
    & skf18("5","9","3","6","3","4","1") = "8"
    & skf18("5","9","3","6","3","5","1") = "8"
    & skf18("5","9","3","6","3","6","1") = "8"
    & skf18("5","9","3","6","3","7","1") = "8"
    & skf18("5","9","3","6","3","8","1") = "8"
    & skf18("5","9","3","6","3","9","1") = "8"
    & skf18("5","9","3","6","3","10","1") = "9"
    & skf18("5","9","3","6","4","1","1") = "8"
    & skf18("5","9","3","6","4","2","1") = "8"
    & skf18("5","9","3","6","4","3","1") = "8"
    & skf18("5","9","3","6","4","4","1") = "8"
    & skf18("5","9","3","6","4","5","1") = "8"
    & skf18("5","9","3","6","4","6","1") = "8"
    & skf18("5","9","3","6","4","7","1") = "8"
    & skf18("5","9","3","6","4","8","1") = "8"
    & skf18("5","9","3","6","4","9","1") = "8"
    & skf18("5","9","3","6","4","10","1") = "9"
    & skf18("5","9","3","6","5","1","1") = "8"
    & skf18("5","9","3","6","5","2","1") = "8"
    & skf18("5","9","3","6","5","3","1") = "8"
    & skf18("5","9","3","6","5","4","1") = "8"
    & skf18("5","9","3","6","5","5","1") = "8"
    & skf18("5","9","3","6","5","6","1") = "8"
    & skf18("5","9","3","6","5","7","1") = "8"
    & skf18("5","9","3","6","5","8","1") = "8"
    & skf18("5","9","3","6","5","9","1") = "8"
    & skf18("5","9","3","6","5","10","1") = "9"
    & skf18("5","9","3","6","6","1","1") = "8"
    & skf18("5","9","3","6","6","2","1") = "8"
    & skf18("5","9","3","6","6","3","1") = "8"
    & skf18("5","9","3","6","6","4","1") = "8"
    & skf18("5","9","3","6","6","5","1") = "8"
    & skf18("5","9","3","6","6","6","1") = "8"
    & skf18("5","9","3","6","6","7","1") = "8"
    & skf18("5","9","3","6","6","8","1") = "8"
    & skf18("5","9","3","6","6","9","1") = "8"
    & skf18("5","9","3","6","6","10","1") = "9"
    & skf18("5","9","3","6","7","1","1") = "8"
    & skf18("5","9","3","6","7","2","1") = "8"
    & skf18("5","9","3","6","7","3","1") = "8"
    & skf18("5","9","3","6","7","4","1") = "8"
    & skf18("5","9","3","6","7","5","1") = "8"
    & skf18("5","9","3","6","7","6","1") = "8"
    & skf18("5","9","3","6","7","7","1") = "8"
    & skf18("5","9","3","6","7","8","1") = "8"
    & skf18("5","9","3","6","7","9","1") = "8"
    & skf18("5","9","3","6","7","10","1") = "9"
    & skf18("5","9","3","6","8","1","1") = "8"
    & skf18("5","9","3","6","8","2","1") = "8"
    & skf18("5","9","3","6","8","3","1") = "8"
    & skf18("5","9","3","6","8","4","1") = "8"
    & skf18("5","9","3","6","8","5","1") = "8"
    & skf18("5","9","3","6","8","6","1") = "8"
    & skf18("5","9","3","6","8","7","1") = "8"
    & skf18("5","9","3","6","8","8","1") = "8"
    & skf18("5","9","3","6","8","9","1") = "8"
    & skf18("5","9","3","6","8","10","1") = "9"
    & skf18("5","9","3","6","9","1","1") = "8"
    & skf18("5","9","3","6","9","2","1") = "8"
    & skf18("5","9","3","6","9","3","1") = "8"
    & skf18("5","9","3","6","9","4","1") = "8"
    & skf18("5","9","3","6","9","5","1") = "8"
    & skf18("5","9","3","6","9","6","1") = "8"
    & skf18("5","9","3","6","9","7","1") = "8"
    & skf18("5","9","3","6","9","8","1") = "8"
    & skf18("5","9","3","6","9","9","1") = "8"
    & skf18("5","9","3","6","9","10","1") = "9"
    & skf18("5","9","3","6","10","1","1") = "9"
    & skf18("5","9","3","6","10","2","1") = "9"
    & skf18("5","9","3","6","10","3","1") = "9"
    & skf18("5","9","3","6","10","4","1") = "9"
    & skf18("5","9","3","6","10","5","1") = "9"
    & skf18("5","9","3","6","10","6","1") = "9"
    & skf18("5","9","3","6","10","7","1") = "9"
    & skf18("5","9","3","6","10","8","1") = "9"
    & skf18("5","9","3","6","10","9","1") = "9"
    & skf18("5","9","3","6","10","10","1") = "9"
    & skf18("5","9","3","7","1","1","1") = "8"
    & skf18("5","9","3","7","1","2","1") = "8"
    & skf18("5","9","3","7","1","3","1") = "8"
    & skf18("5","9","3","7","1","4","1") = "8"
    & skf18("5","9","3","7","1","5","1") = "8"
    & skf18("5","9","3","7","1","6","1") = "8"
    & skf18("5","9","3","7","1","7","1") = "8"
    & skf18("5","9","3","7","1","8","1") = "8"
    & skf18("5","9","3","7","1","9","1") = "8"
    & skf18("5","9","3","7","1","10","1") = "9"
    & skf18("5","9","3","7","2","1","1") = "8"
    & skf18("5","9","3","7","2","2","1") = "8"
    & skf18("5","9","3","7","2","3","1") = "8"
    & skf18("5","9","3","7","2","4","1") = "8"
    & skf18("5","9","3","7","2","5","1") = "8"
    & skf18("5","9","3","7","2","6","1") = "8"
    & skf18("5","9","3","7","2","7","1") = "8"
    & skf18("5","9","3","7","2","8","1") = "8"
    & skf18("5","9","3","7","2","9","1") = "8"
    & skf18("5","9","3","7","2","10","1") = "9"
    & skf18("5","9","3","7","3","1","1") = "8"
    & skf18("5","9","3","7","3","2","1") = "8"
    & skf18("5","9","3","7","3","3","1") = "8"
    & skf18("5","9","3","7","3","4","1") = "8"
    & skf18("5","9","3","7","3","5","1") = "8"
    & skf18("5","9","3","7","3","6","1") = "8"
    & skf18("5","9","3","7","3","7","1") = "8"
    & skf18("5","9","3","7","3","8","1") = "8"
    & skf18("5","9","3","7","3","9","1") = "8"
    & skf18("5","9","3","7","3","10","1") = "9"
    & skf18("5","9","3","7","4","1","1") = "8"
    & skf18("5","9","3","7","4","2","1") = "8"
    & skf18("5","9","3","7","4","3","1") = "8"
    & skf18("5","9","3","7","4","4","1") = "8"
    & skf18("5","9","3","7","4","5","1") = "8"
    & skf18("5","9","3","7","4","6","1") = "8"
    & skf18("5","9","3","7","4","7","1") = "8"
    & skf18("5","9","3","7","4","8","1") = "8"
    & skf18("5","9","3","7","4","9","1") = "8"
    & skf18("5","9","3","7","4","10","1") = "9"
    & skf18("5","9","3","7","5","1","1") = "8"
    & skf18("5","9","3","7","5","2","1") = "8"
    & skf18("5","9","3","7","5","3","1") = "8"
    & skf18("5","9","3","7","5","4","1") = "8"
    & skf18("5","9","3","7","5","5","1") = "8"
    & skf18("5","9","3","7","5","6","1") = "8"
    & skf18("5","9","3","7","5","7","1") = "8"
    & skf18("5","9","3","7","5","8","1") = "8"
    & skf18("5","9","3","7","5","9","1") = "8"
    & skf18("5","9","3","7","5","10","1") = "9"
    & skf18("5","9","3","7","6","1","1") = "8"
    & skf18("5","9","3","7","6","2","1") = "8"
    & skf18("5","9","3","7","6","3","1") = "8"
    & skf18("5","9","3","7","6","4","1") = "8"
    & skf18("5","9","3","7","6","5","1") = "8"
    & skf18("5","9","3","7","6","6","1") = "8"
    & skf18("5","9","3","7","6","7","1") = "8"
    & skf18("5","9","3","7","6","8","1") = "8"
    & skf18("5","9","3","7","6","9","1") = "8"
    & skf18("5","9","3","7","6","10","1") = "9"
    & skf18("5","9","3","7","7","1","1") = "8"
    & skf18("5","9","3","7","7","2","1") = "8"
    & skf18("5","9","3","7","7","3","1") = "8"
    & skf18("5","9","3","7","7","4","1") = "8"
    & skf18("5","9","3","7","7","5","1") = "8"
    & skf18("5","9","3","7","7","6","1") = "8"
    & skf18("5","9","3","7","7","7","1") = "8"
    & skf18("5","9","3","7","7","8","1") = "8"
    & skf18("5","9","3","7","7","9","1") = "8"
    & skf18("5","9","3","7","7","10","1") = "9"
    & skf18("5","9","3","7","8","1","1") = "8"
    & skf18("5","9","3","7","8","2","1") = "8"
    & skf18("5","9","3","7","8","3","1") = "8"
    & skf18("5","9","3","7","8","4","1") = "8"
    & skf18("5","9","3","7","8","5","1") = "8"
    & skf18("5","9","3","7","8","6","1") = "8"
    & skf18("5","9","3","7","8","7","1") = "8"
    & skf18("5","9","3","7","8","8","1") = "8"
    & skf18("5","9","3","7","8","9","1") = "8"
    & skf18("5","9","3","7","8","10","1") = "9"
    & skf18("5","9","3","7","9","1","1") = "8"
    & skf18("5","9","3","7","9","2","1") = "8"
    & skf18("5","9","3","7","9","3","1") = "8"
    & skf18("5","9","3","7","9","4","1") = "8"
    & skf18("5","9","3","7","9","5","1") = "8"
    & skf18("5","9","3","7","9","6","1") = "8"
    & skf18("5","9","3","7","9","7","1") = "8"
    & skf18("5","9","3","7","9","8","1") = "8"
    & skf18("5","9","3","7","9","9","1") = "8"
    & skf18("5","9","3","7","9","10","1") = "9"
    & skf18("5","9","3","7","10","1","1") = "9"
    & skf18("5","9","3","7","10","2","1") = "9"
    & skf18("5","9","3","7","10","3","1") = "9"
    & skf18("5","9","3","7","10","4","1") = "9"
    & skf18("5","9","3","7","10","5","1") = "9"
    & skf18("5","9","3","7","10","6","1") = "9"
    & skf18("5","9","3","7","10","7","1") = "9"
    & skf18("5","9","3","7","10","8","1") = "9"
    & skf18("5","9","3","7","10","9","1") = "9"
    & skf18("5","9","3","7","10","10","1") = "9"
    & skf18("5","9","3","8","1","1","1") = "8"
    & skf18("5","9","3","8","1","2","1") = "8"
    & skf18("5","9","3","8","1","3","1") = "8"
    & skf18("5","9","3","8","1","4","1") = "8"
    & skf18("5","9","3","8","1","5","1") = "8"
    & skf18("5","9","3","8","1","6","1") = "8"
    & skf18("5","9","3","8","1","7","1") = "8"
    & skf18("5","9","3","8","1","8","1") = "8"
    & skf18("5","9","3","8","1","9","1") = "8"
    & skf18("5","9","3","8","1","10","1") = "9"
    & skf18("5","9","3","8","2","1","1") = "8"
    & skf18("5","9","3","8","2","2","1") = "8"
    & skf18("5","9","3","8","2","3","1") = "8"
    & skf18("5","9","3","8","2","4","1") = "8"
    & skf18("5","9","3","8","2","5","1") = "8"
    & skf18("5","9","3","8","2","6","1") = "8"
    & skf18("5","9","3","8","2","7","1") = "8"
    & skf18("5","9","3","8","2","8","1") = "8"
    & skf18("5","9","3","8","2","9","1") = "8"
    & skf18("5","9","3","8","2","10","1") = "9"
    & skf18("5","9","3","8","3","1","1") = "8"
    & skf18("5","9","3","8","3","2","1") = "8"
    & skf18("5","9","3","8","3","3","1") = "8"
    & skf18("5","9","3","8","3","4","1") = "8"
    & skf18("5","9","3","8","3","5","1") = "8"
    & skf18("5","9","3","8","3","6","1") = "8"
    & skf18("5","9","3","8","3","7","1") = "8"
    & skf18("5","9","3","8","3","8","1") = "8"
    & skf18("5","9","3","8","3","9","1") = "8"
    & skf18("5","9","3","8","3","10","1") = "9"
    & skf18("5","9","3","8","4","1","1") = "8"
    & skf18("5","9","3","8","4","2","1") = "8"
    & skf18("5","9","3","8","4","3","1") = "8"
    & skf18("5","9","3","8","4","4","1") = "8"
    & skf18("5","9","3","8","4","5","1") = "8"
    & skf18("5","9","3","8","4","6","1") = "8"
    & skf18("5","9","3","8","4","7","1") = "8"
    & skf18("5","9","3","8","4","8","1") = "8"
    & skf18("5","9","3","8","4","9","1") = "8"
    & skf18("5","9","3","8","4","10","1") = "9"
    & skf18("5","9","3","8","5","1","1") = "8"
    & skf18("5","9","3","8","5","2","1") = "8"
    & skf18("5","9","3","8","5","3","1") = "8"
    & skf18("5","9","3","8","5","4","1") = "8"
    & skf18("5","9","3","8","5","5","1") = "8"
    & skf18("5","9","3","8","5","6","1") = "8"
    & skf18("5","9","3","8","5","7","1") = "8"
    & skf18("5","9","3","8","5","8","1") = "8"
    & skf18("5","9","3","8","5","9","1") = "8"
    & skf18("5","9","3","8","5","10","1") = "9"
    & skf18("5","9","3","8","6","1","1") = "8"
    & skf18("5","9","3","8","6","2","1") = "8"
    & skf18("5","9","3","8","6","3","1") = "8"
    & skf18("5","9","3","8","6","4","1") = "8"
    & skf18("5","9","3","8","6","5","1") = "8"
    & skf18("5","9","3","8","6","6","1") = "8"
    & skf18("5","9","3","8","6","7","1") = "8"
    & skf18("5","9","3","8","6","8","1") = "8"
    & skf18("5","9","3","8","6","9","1") = "8"
    & skf18("5","9","3","8","6","10","1") = "9"
    & skf18("5","9","3","8","7","1","1") = "8"
    & skf18("5","9","3","8","7","2","1") = "8"
    & skf18("5","9","3","8","7","3","1") = "8"
    & skf18("5","9","3","8","7","4","1") = "8"
    & skf18("5","9","3","8","7","5","1") = "8"
    & skf18("5","9","3","8","7","6","1") = "8"
    & skf18("5","9","3","8","7","7","1") = "8"
    & skf18("5","9","3","8","7","8","1") = "8"
    & skf18("5","9","3","8","7","9","1") = "8"
    & skf18("5","9","3","8","7","10","1") = "9"
    & skf18("5","9","3","8","8","1","1") = "8"
    & skf18("5","9","3","8","8","2","1") = "8"
    & skf18("5","9","3","8","8","3","1") = "8"
    & skf18("5","9","3","8","8","4","1") = "8"
    & skf18("5","9","3","8","8","5","1") = "8"
    & skf18("5","9","3","8","8","6","1") = "8"
    & skf18("5","9","3","8","8","7","1") = "8"
    & skf18("5","9","3","8","8","8","1") = "8"
    & skf18("5","9","3","8","8","9","1") = "8"
    & skf18("5","9","3","8","8","10","1") = "9"
    & skf18("5","9","3","8","9","1","1") = "8"
    & skf18("5","9","3","8","9","2","1") = "8"
    & skf18("5","9","3","8","9","3","1") = "8"
    & skf18("5","9","3","8","9","4","1") = "8"
    & skf18("5","9","3","8","9","5","1") = "8"
    & skf18("5","9","3","8","9","6","1") = "8"
    & skf18("5","9","3","8","9","7","1") = "8"
    & skf18("5","9","3","8","9","8","1") = "8"
    & skf18("5","9","3","8","9","9","1") = "8"
    & skf18("5","9","3","8","9","10","1") = "9"
    & skf18("5","9","3","8","10","1","1") = "9"
    & skf18("5","9","3","8","10","2","1") = "9"
    & skf18("5","9","3","8","10","3","1") = "9"
    & skf18("5","9","3","8","10","4","1") = "9"
    & skf18("5","9","3","8","10","5","1") = "9"
    & skf18("5","9","3","8","10","6","1") = "9"
    & skf18("5","9","3","8","10","7","1") = "9"
    & skf18("5","9","3","8","10","8","1") = "9"
    & skf18("5","9","3","8","10","9","1") = "9"
    & skf18("5","9","3","8","10","10","1") = "9"
    & skf18("5","9","3","9","1","1","1") = "8"
    & skf18("5","9","3","9","1","2","1") = "8"
    & skf18("5","9","3","9","1","3","1") = "8"
    & skf18("5","9","3","9","1","4","1") = "8"
    & skf18("5","9","3","9","1","5","1") = "8"
    & skf18("5","9","3","9","1","6","1") = "8"
    & skf18("5","9","3","9","1","7","1") = "8"
    & skf18("5","9","3","9","1","8","1") = "8"
    & skf18("5","9","3","9","1","9","1") = "8"
    & skf18("5","9","3","9","1","10","1") = "9"
    & skf18("5","9","3","9","2","1","1") = "8"
    & skf18("5","9","3","9","2","2","1") = "8"
    & skf18("5","9","3","9","2","3","1") = "8"
    & skf18("5","9","3","9","2","4","1") = "8"
    & skf18("5","9","3","9","2","5","1") = "8"
    & skf18("5","9","3","9","2","6","1") = "8"
    & skf18("5","9","3","9","2","7","1") = "8"
    & skf18("5","9","3","9","2","8","1") = "8"
    & skf18("5","9","3","9","2","9","1") = "8"
    & skf18("5","9","3","9","2","10","1") = "9"
    & skf18("5","9","3","9","3","1","1") = "8"
    & skf18("5","9","3","9","3","2","1") = "8"
    & skf18("5","9","3","9","3","3","1") = "8"
    & skf18("5","9","3","9","3","4","1") = "8"
    & skf18("5","9","3","9","3","5","1") = "8"
    & skf18("5","9","3","9","3","6","1") = "8"
    & skf18("5","9","3","9","3","7","1") = "8"
    & skf18("5","9","3","9","3","8","1") = "8"
    & skf18("5","9","3","9","3","9","1") = "8"
    & skf18("5","9","3","9","3","10","1") = "9"
    & skf18("5","9","3","9","4","1","1") = "8"
    & skf18("5","9","3","9","4","2","1") = "8"
    & skf18("5","9","3","9","4","3","1") = "8"
    & skf18("5","9","3","9","4","4","1") = "8"
    & skf18("5","9","3","9","4","5","1") = "8"
    & skf18("5","9","3","9","4","6","1") = "8"
    & skf18("5","9","3","9","4","7","1") = "8"
    & skf18("5","9","3","9","4","8","1") = "8"
    & skf18("5","9","3","9","4","9","1") = "8"
    & skf18("5","9","3","9","4","10","1") = "9"
    & skf18("5","9","3","9","5","1","1") = "8"
    & skf18("5","9","3","9","5","2","1") = "8"
    & skf18("5","9","3","9","5","3","1") = "8"
    & skf18("5","9","3","9","5","4","1") = "8"
    & skf18("5","9","3","9","5","5","1") = "8"
    & skf18("5","9","3","9","5","6","1") = "8"
    & skf18("5","9","3","9","5","7","1") = "8"
    & skf18("5","9","3","9","5","8","1") = "8"
    & skf18("5","9","3","9","5","9","1") = "8"
    & skf18("5","9","3","9","5","10","1") = "9"
    & skf18("5","9","3","9","6","1","1") = "8"
    & skf18("5","9","3","9","6","2","1") = "8"
    & skf18("5","9","3","9","6","3","1") = "8"
    & skf18("5","9","3","9","6","4","1") = "8"
    & skf18("5","9","3","9","6","5","1") = "8"
    & skf18("5","9","3","9","6","6","1") = "8"
    & skf18("5","9","3","9","6","7","1") = "8"
    & skf18("5","9","3","9","6","8","1") = "8"
    & skf18("5","9","3","9","6","9","1") = "8"
    & skf18("5","9","3","9","6","10","1") = "9"
    & skf18("5","9","3","9","7","1","1") = "8"
    & skf18("5","9","3","9","7","2","1") = "8"
    & skf18("5","9","3","9","7","3","1") = "8"
    & skf18("5","9","3","9","7","4","1") = "8"
    & skf18("5","9","3","9","7","5","1") = "8"
    & skf18("5","9","3","9","7","6","1") = "8"
    & skf18("5","9","3","9","7","7","1") = "8"
    & skf18("5","9","3","9","7","8","1") = "8"
    & skf18("5","9","3","9","7","9","1") = "8"
    & skf18("5","9","3","9","7","10","1") = "9"
    & skf18("5","9","3","9","8","1","1") = "8"
    & skf18("5","9","3","9","8","2","1") = "8"
    & skf18("5","9","3","9","8","3","1") = "8"
    & skf18("5","9","3","9","8","4","1") = "8"
    & skf18("5","9","3","9","8","5","1") = "8"
    & skf18("5","9","3","9","8","6","1") = "8"
    & skf18("5","9","3","9","8","7","1") = "8"
    & skf18("5","9","3","9","8","8","1") = "8"
    & skf18("5","9","3","9","8","9","1") = "8"
    & skf18("5","9","3","9","8","10","1") = "9"
    & skf18("5","9","3","9","9","1","1") = "8"
    & skf18("5","9","3","9","9","2","1") = "8"
    & skf18("5","9","3","9","9","3","1") = "8"
    & skf18("5","9","3","9","9","4","1") = "8"
    & skf18("5","9","3","9","9","5","1") = "8"
    & skf18("5","9","3","9","9","6","1") = "8"
    & skf18("5","9","3","9","9","7","1") = "8"
    & skf18("5","9","3","9","9","8","1") = "8"
    & skf18("5","9","3","9","9","9","1") = "8"
    & skf18("5","9","3","9","9","10","1") = "9"
    & skf18("5","9","3","9","10","1","1") = "9"
    & skf18("5","9","3","9","10","2","1") = "9"
    & skf18("5","9","3","9","10","3","1") = "9"
    & skf18("5","9","3","9","10","4","1") = "9"
    & skf18("5","9","3","9","10","5","1") = "9"
    & skf18("5","9","3","9","10","6","1") = "9"
    & skf18("5","9","3","9","10","7","1") = "9"
    & skf18("5","9","3","9","10","8","1") = "9"
    & skf18("5","9","3","9","10","9","1") = "9"
    & skf18("5","9","3","9","10","10","1") = "9"
    & skf18("5","9","3","10","1","1","1") = "9"
    & skf18("5","9","3","10","1","2","1") = "9"
    & skf18("5","9","3","10","1","3","1") = "9"
    & skf18("5","9","3","10","1","4","1") = "9"
    & skf18("5","9","3","10","1","5","1") = "9"
    & skf18("5","9","3","10","1","6","1") = "9"
    & skf18("5","9","3","10","1","7","1") = "9"
    & skf18("5","9","3","10","1","8","1") = "9"
    & skf18("5","9","3","10","1","9","1") = "9"
    & skf18("5","9","3","10","1","10","1") = "9"
    & skf18("5","9","3","10","2","1","1") = "9"
    & skf18("5","9","3","10","2","2","1") = "9"
    & skf18("5","9","3","10","2","3","1") = "9"
    & skf18("5","9","3","10","2","4","1") = "9"
    & skf18("5","9","3","10","2","5","1") = "9"
    & skf18("5","9","3","10","2","6","1") = "9"
    & skf18("5","9","3","10","2","7","1") = "9"
    & skf18("5","9","3","10","2","8","1") = "9"
    & skf18("5","9","3","10","2","9","1") = "9"
    & skf18("5","9","3","10","2","10","1") = "9"
    & skf18("5","9","3","10","3","1","1") = "9"
    & skf18("5","9","3","10","3","2","1") = "9"
    & skf18("5","9","3","10","3","3","1") = "9"
    & skf18("5","9","3","10","3","4","1") = "9"
    & skf18("5","9","3","10","3","5","1") = "9"
    & skf18("5","9","3","10","3","6","1") = "9"
    & skf18("5","9","3","10","3","7","1") = "9"
    & skf18("5","9","3","10","3","8","1") = "9"
    & skf18("5","9","3","10","3","9","1") = "9"
    & skf18("5","9","3","10","3","10","1") = "9"
    & skf18("5","9","3","10","4","1","1") = "9"
    & skf18("5","9","3","10","4","2","1") = "9"
    & skf18("5","9","3","10","4","3","1") = "9"
    & skf18("5","9","3","10","4","4","1") = "9"
    & skf18("5","9","3","10","4","5","1") = "9"
    & skf18("5","9","3","10","4","6","1") = "9"
    & skf18("5","9","3","10","4","7","1") = "9"
    & skf18("5","9","3","10","4","8","1") = "9"
    & skf18("5","9","3","10","4","9","1") = "9"
    & skf18("5","9","3","10","4","10","1") = "9"
    & skf18("5","9","3","10","5","1","1") = "9"
    & skf18("5","9","3","10","5","2","1") = "9"
    & skf18("5","9","3","10","5","3","1") = "9"
    & skf18("5","9","3","10","5","4","1") = "9"
    & skf18("5","9","3","10","5","5","1") = "9"
    & skf18("5","9","3","10","5","6","1") = "9"
    & skf18("5","9","3","10","5","7","1") = "9"
    & skf18("5","9","3","10","5","8","1") = "9"
    & skf18("5","9","3","10","5","9","1") = "9"
    & skf18("5","9","3","10","5","10","1") = "9"
    & skf18("5","9","3","10","6","1","1") = "9"
    & skf18("5","9","3","10","6","2","1") = "9"
    & skf18("5","9","3","10","6","3","1") = "9"
    & skf18("5","9","3","10","6","4","1") = "9"
    & skf18("5","9","3","10","6","5","1") = "9"
    & skf18("5","9","3","10","6","6","1") = "9"
    & skf18("5","9","3","10","6","7","1") = "9"
    & skf18("5","9","3","10","6","8","1") = "9"
    & skf18("5","9","3","10","6","9","1") = "9"
    & skf18("5","9","3","10","6","10","1") = "9"
    & skf18("5","9","3","10","7","1","1") = "9"
    & skf18("5","9","3","10","7","2","1") = "9"
    & skf18("5","9","3","10","7","3","1") = "9"
    & skf18("5","9","3","10","7","4","1") = "9"
    & skf18("5","9","3","10","7","5","1") = "9"
    & skf18("5","9","3","10","7","6","1") = "9"
    & skf18("5","9","3","10","7","7","1") = "9"
    & skf18("5","9","3","10","7","8","1") = "9"
    & skf18("5","9","3","10","7","9","1") = "9"
    & skf18("5","9","3","10","7","10","1") = "9"
    & skf18("5","9","3","10","8","1","1") = "9"
    & skf18("5","9","3","10","8","2","1") = "9"
    & skf18("5","9","3","10","8","3","1") = "9"
    & skf18("5","9","3","10","8","4","1") = "9"
    & skf18("5","9","3","10","8","5","1") = "9"
    & skf18("5","9","3","10","8","6","1") = "9"
    & skf18("5","9","3","10","8","7","1") = "9"
    & skf18("5","9","3","10","8","8","1") = "9"
    & skf18("5","9","3","10","8","9","1") = "9"
    & skf18("5","9","3","10","8","10","1") = "9"
    & skf18("5","9","3","10","9","1","1") = "9"
    & skf18("5","9","3","10","9","2","1") = "9"
    & skf18("5","9","3","10","9","3","1") = "9"
    & skf18("5","9","3","10","9","4","1") = "9"
    & skf18("5","9","3","10","9","5","1") = "9"
    & skf18("5","9","3","10","9","6","1") = "9"
    & skf18("5","9","3","10","9","7","1") = "9"
    & skf18("5","9","3","10","9","8","1") = "9"
    & skf18("5","9","3","10","9","9","1") = "9"
    & skf18("5","9","3","10","9","10","1") = "9"
    & skf18("5","9","3","10","10","1","1") = "9"
    & skf18("5","9","3","10","10","2","1") = "9"
    & skf18("5","9","3","10","10","3","1") = "9"
    & skf18("5","9","3","10","10","4","1") = "9"
    & skf18("5","9","3","10","10","5","1") = "9"
    & skf18("5","9","3","10","10","6","1") = "9"
    & skf18("5","9","3","10","10","7","1") = "9"
    & skf18("5","9","3","10","10","8","1") = "9"
    & skf18("5","9","3","10","10","9","1") = "9"
    & skf18("5","9","3","10","10","10","1") = "9"
    & skf18("5","9","4","1","1","1","1") = "8"
    & skf18("5","9","4","1","1","2","1") = "8"
    & skf18("5","9","4","1","1","3","1") = "8"
    & skf18("5","9","4","1","1","4","1") = "8"
    & skf18("5","9","4","1","1","5","1") = "8"
    & skf18("5","9","4","1","1","6","1") = "8"
    & skf18("5","9","4","1","1","7","1") = "8"
    & skf18("5","9","4","1","1","8","1") = "8"
    & skf18("5","9","4","1","1","9","1") = "8"
    & skf18("5","9","4","1","1","10","1") = "9"
    & skf18("5","9","4","1","2","1","1") = "8"
    & skf18("5","9","4","1","2","2","1") = "8"
    & skf18("5","9","4","1","2","3","1") = "8"
    & skf18("5","9","4","1","2","4","1") = "8"
    & skf18("5","9","4","1","2","5","1") = "8"
    & skf18("5","9","4","1","2","6","1") = "8"
    & skf18("5","9","4","1","2","7","1") = "8"
    & skf18("5","9","4","1","2","8","1") = "8"
    & skf18("5","9","4","1","2","9","1") = "8"
    & skf18("5","9","4","1","2","10","1") = "9"
    & skf18("5","9","4","1","3","1","1") = "8"
    & skf18("5","9","4","1","3","2","1") = "8"
    & skf18("5","9","4","1","3","3","1") = "8"
    & skf18("5","9","4","1","3","4","1") = "8"
    & skf18("5","9","4","1","3","5","1") = "8"
    & skf18("5","9","4","1","3","6","1") = "8"
    & skf18("5","9","4","1","3","7","1") = "8"
    & skf18("5","9","4","1","3","8","1") = "8"
    & skf18("5","9","4","1","3","9","1") = "8"
    & skf18("5","9","4","1","3","10","1") = "9"
    & skf18("5","9","4","1","4","1","1") = "8"
    & skf18("5","9","4","1","4","2","1") = "8"
    & skf18("5","9","4","1","4","3","1") = "8"
    & skf18("5","9","4","1","4","4","1") = "8"
    & skf18("5","9","4","1","4","5","1") = "8"
    & skf18("5","9","4","1","4","6","1") = "8"
    & skf18("5","9","4","1","4","7","1") = "8"
    & skf18("5","9","4","1","4","8","1") = "8"
    & skf18("5","9","4","1","4","9","1") = "8"
    & skf18("5","9","4","1","4","10","1") = "9"
    & skf18("5","9","4","1","5","1","1") = "8"
    & skf18("5","9","4","1","5","2","1") = "8"
    & skf18("5","9","4","1","5","3","1") = "8"
    & skf18("5","9","4","1","5","4","1") = "8"
    & skf18("5","9","4","1","5","5","1") = "8"
    & skf18("5","9","4","1","5","6","1") = "8"
    & skf18("5","9","4","1","5","7","1") = "8"
    & skf18("5","9","4","1","5","8","1") = "8"
    & skf18("5","9","4","1","5","9","1") = "8"
    & skf18("5","9","4","1","5","10","1") = "9"
    & skf18("5","9","4","1","6","1","1") = "8"
    & skf18("5","9","4","1","6","2","1") = "8"
    & skf18("5","9","4","1","6","3","1") = "8"
    & skf18("5","9","4","1","6","4","1") = "8"
    & skf18("5","9","4","1","6","5","1") = "8"
    & skf18("5","9","4","1","6","6","1") = "8"
    & skf18("5","9","4","1","6","7","1") = "8"
    & skf18("5","9","4","1","6","8","1") = "8"
    & skf18("5","9","4","1","6","9","1") = "8"
    & skf18("5","9","4","1","6","10","1") = "9"
    & skf18("5","9","4","1","7","1","1") = "8"
    & skf18("5","9","4","1","7","2","1") = "8"
    & skf18("5","9","4","1","7","3","1") = "8"
    & skf18("5","9","4","1","7","4","1") = "8"
    & skf18("5","9","4","1","7","5","1") = "8"
    & skf18("5","9","4","1","7","6","1") = "8"
    & skf18("5","9","4","1","7","7","1") = "8"
    & skf18("5","9","4","1","7","8","1") = "8"
    & skf18("5","9","4","1","7","9","1") = "8"
    & skf18("5","9","4","1","7","10","1") = "9"
    & skf18("5","9","4","1","8","1","1") = "8"
    & skf18("5","9","4","1","8","2","1") = "8"
    & skf18("5","9","4","1","8","3","1") = "8"
    & skf18("5","9","4","1","8","4","1") = "8"
    & skf18("5","9","4","1","8","5","1") = "8"
    & skf18("5","9","4","1","8","6","1") = "8"
    & skf18("5","9","4","1","8","7","1") = "8"
    & skf18("5","9","4","1","8","8","1") = "8"
    & skf18("5","9","4","1","8","9","1") = "8"
    & skf18("5","9","4","1","8","10","1") = "9"
    & skf18("5","9","4","1","9","1","1") = "8"
    & skf18("5","9","4","1","9","2","1") = "8"
    & skf18("5","9","4","1","9","3","1") = "8"
    & skf18("5","9","4","1","9","4","1") = "8"
    & skf18("5","9","4","1","9","5","1") = "8"
    & skf18("5","9","4","1","9","6","1") = "8"
    & skf18("5","9","4","1","9","7","1") = "8"
    & skf18("5","9","4","1","9","8","1") = "8"
    & skf18("5","9","4","1","9","9","1") = "8"
    & skf18("5","9","4","1","9","10","1") = "9"
    & skf18("5","9","4","1","10","1","1") = "9"
    & skf18("5","9","4","1","10","2","1") = "9"
    & skf18("5","9","4","1","10","3","1") = "9"
    & skf18("5","9","4","1","10","4","1") = "9"
    & skf18("5","9","4","1","10","5","1") = "9"
    & skf18("5","9","4","1","10","6","1") = "9"
    & skf18("5","9","4","1","10","7","1") = "9"
    & skf18("5","9","4","1","10","8","1") = "9"
    & skf18("5","9","4","1","10","9","1") = "9"
    & skf18("5","9","4","1","10","10","1") = "9"
    & skf18("5","9","4","2","1","1","1") = "8"
    & skf18("5","9","4","2","1","2","1") = "8"
    & skf18("5","9","4","2","1","3","1") = "8"
    & skf18("5","9","4","2","1","4","1") = "8"
    & skf18("5","9","4","2","1","5","1") = "8"
    & skf18("5","9","4","2","1","6","1") = "8"
    & skf18("5","9","4","2","1","7","1") = "8"
    & skf18("5","9","4","2","1","8","1") = "8"
    & skf18("5","9","4","2","1","9","1") = "8"
    & skf18("5","9","4","2","1","10","1") = "9"
    & skf18("5","9","4","2","2","1","1") = "8"
    & skf18("5","9","4","2","2","2","1") = "8"
    & skf18("5","9","4","2","2","3","1") = "8"
    & skf18("5","9","4","2","2","4","1") = "8"
    & skf18("5","9","4","2","2","5","1") = "8"
    & skf18("5","9","4","2","2","6","1") = "8"
    & skf18("5","9","4","2","2","7","1") = "8"
    & skf18("5","9","4","2","2","8","1") = "8"
    & skf18("5","9","4","2","2","9","1") = "8"
    & skf18("5","9","4","2","2","10","1") = "9"
    & skf18("5","9","4","2","3","1","1") = "8"
    & skf18("5","9","4","2","3","2","1") = "8"
    & skf18("5","9","4","2","3","3","1") = "8"
    & skf18("5","9","4","2","3","4","1") = "8"
    & skf18("5","9","4","2","3","5","1") = "8"
    & skf18("5","9","4","2","3","6","1") = "8"
    & skf18("5","9","4","2","3","7","1") = "8"
    & skf18("5","9","4","2","3","8","1") = "8"
    & skf18("5","9","4","2","3","9","1") = "8"
    & skf18("5","9","4","2","3","10","1") = "9"
    & skf18("5","9","4","2","4","1","1") = "8"
    & skf18("5","9","4","2","4","2","1") = "8"
    & skf18("5","9","4","2","4","3","1") = "8"
    & skf18("5","9","4","2","4","4","1") = "8"
    & skf18("5","9","4","2","4","5","1") = "8"
    & skf18("5","9","4","2","4","6","1") = "8"
    & skf18("5","9","4","2","4","7","1") = "8"
    & skf18("5","9","4","2","4","8","1") = "8"
    & skf18("5","9","4","2","4","9","1") = "8"
    & skf18("5","9","4","2","4","10","1") = "9"
    & skf18("5","9","4","2","5","1","1") = "8"
    & skf18("5","9","4","2","5","2","1") = "8"
    & skf18("5","9","4","2","5","3","1") = "8"
    & skf18("5","9","4","2","5","4","1") = "8"
    & skf18("5","9","4","2","5","5","1") = "8"
    & skf18("5","9","4","2","5","6","1") = "8"
    & skf18("5","9","4","2","5","7","1") = "8"
    & skf18("5","9","4","2","5","8","1") = "8"
    & skf18("5","9","4","2","5","9","1") = "8"
    & skf18("5","9","4","2","5","10","1") = "9"
    & skf18("5","9","4","2","6","1","1") = "8"
    & skf18("5","9","4","2","6","2","1") = "8"
    & skf18("5","9","4","2","6","3","1") = "8"
    & skf18("5","9","4","2","6","4","1") = "8"
    & skf18("5","9","4","2","6","5","1") = "8"
    & skf18("5","9","4","2","6","6","1") = "8"
    & skf18("5","9","4","2","6","7","1") = "8"
    & skf18("5","9","4","2","6","8","1") = "8"
    & skf18("5","9","4","2","6","9","1") = "8"
    & skf18("5","9","4","2","6","10","1") = "9"
    & skf18("5","9","4","2","7","1","1") = "8"
    & skf18("5","9","4","2","7","2","1") = "8"
    & skf18("5","9","4","2","7","3","1") = "8"
    & skf18("5","9","4","2","7","4","1") = "8"
    & skf18("5","9","4","2","7","5","1") = "8"
    & skf18("5","9","4","2","7","6","1") = "8"
    & skf18("5","9","4","2","7","7","1") = "8"
    & skf18("5","9","4","2","7","8","1") = "8"
    & skf18("5","9","4","2","7","9","1") = "8"
    & skf18("5","9","4","2","7","10","1") = "9"
    & skf18("5","9","4","2","8","1","1") = "8"
    & skf18("5","9","4","2","8","2","1") = "8"
    & skf18("5","9","4","2","8","3","1") = "8"
    & skf18("5","9","4","2","8","4","1") = "8"
    & skf18("5","9","4","2","8","5","1") = "8"
    & skf18("5","9","4","2","8","6","1") = "8"
    & skf18("5","9","4","2","8","7","1") = "8"
    & skf18("5","9","4","2","8","8","1") = "8"
    & skf18("5","9","4","2","8","9","1") = "8"
    & skf18("5","9","4","2","8","10","1") = "9"
    & skf18("5","9","4","2","9","1","1") = "8"
    & skf18("5","9","4","2","9","2","1") = "8"
    & skf18("5","9","4","2","9","3","1") = "8"
    & skf18("5","9","4","2","9","4","1") = "8"
    & skf18("5","9","4","2","9","5","1") = "8"
    & skf18("5","9","4","2","9","6","1") = "8"
    & skf18("5","9","4","2","9","7","1") = "8"
    & skf18("5","9","4","2","9","8","1") = "8"
    & skf18("5","9","4","2","9","9","1") = "8"
    & skf18("5","9","4","2","9","10","1") = "9"
    & skf18("5","9","4","2","10","1","1") = "9"
    & skf18("5","9","4","2","10","2","1") = "9"
    & skf18("5","9","4","2","10","3","1") = "9"
    & skf18("5","9","4","2","10","4","1") = "9"
    & skf18("5","9","4","2","10","5","1") = "9"
    & skf18("5","9","4","2","10","6","1") = "9"
    & skf18("5","9","4","2","10","7","1") = "9"
    & skf18("5","9","4","2","10","8","1") = "9"
    & skf18("5","9","4","2","10","9","1") = "9"
    & skf18("5","9","4","2","10","10","1") = "9"
    & skf18("5","9","4","3","1","1","1") = "8"
    & skf18("5","9","4","3","1","2","1") = "8"
    & skf18("5","9","4","3","1","3","1") = "8"
    & skf18("5","9","4","3","1","4","1") = "8"
    & skf18("5","9","4","3","1","5","1") = "8"
    & skf18("5","9","4","3","1","6","1") = "8"
    & skf18("5","9","4","3","1","7","1") = "8"
    & skf18("5","9","4","3","1","8","1") = "8"
    & skf18("5","9","4","3","1","9","1") = "8"
    & skf18("5","9","4","3","1","10","1") = "9"
    & skf18("5","9","4","3","2","1","1") = "8"
    & skf18("5","9","4","3","2","2","1") = "8"
    & skf18("5","9","4","3","2","3","1") = "8"
    & skf18("5","9","4","3","2","4","1") = "8"
    & skf18("5","9","4","3","2","5","1") = "8"
    & skf18("5","9","4","3","2","6","1") = "8"
    & skf18("5","9","4","3","2","7","1") = "8"
    & skf18("5","9","4","3","2","8","1") = "8"
    & skf18("5","9","4","3","2","9","1") = "8"
    & skf18("5","9","4","3","2","10","1") = "9"
    & skf18("5","9","4","3","3","1","1") = "8"
    & skf18("5","9","4","3","3","2","1") = "8"
    & skf18("5","9","4","3","3","3","1") = "8"
    & skf18("5","9","4","3","3","4","1") = "8"
    & skf18("5","9","4","3","3","5","1") = "8"
    & skf18("5","9","4","3","3","6","1") = "8"
    & skf18("5","9","4","3","3","7","1") = "8"
    & skf18("5","9","4","3","3","8","1") = "8"
    & skf18("5","9","4","3","3","9","1") = "8"
    & skf18("5","9","4","3","3","10","1") = "9"
    & skf18("5","9","4","3","4","1","1") = "8"
    & skf18("5","9","4","3","4","2","1") = "8"
    & skf18("5","9","4","3","4","3","1") = "8"
    & skf18("5","9","4","3","4","4","1") = "8"
    & skf18("5","9","4","3","4","5","1") = "8"
    & skf18("5","9","4","3","4","6","1") = "8"
    & skf18("5","9","4","3","4","7","1") = "8"
    & skf18("5","9","4","3","4","8","1") = "8"
    & skf18("5","9","4","3","4","9","1") = "8"
    & skf18("5","9","4","3","4","10","1") = "9"
    & skf18("5","9","4","3","5","1","1") = "8"
    & skf18("5","9","4","3","5","2","1") = "8"
    & skf18("5","9","4","3","5","3","1") = "8"
    & skf18("5","9","4","3","5","4","1") = "8"
    & skf18("5","9","4","3","5","5","1") = "8"
    & skf18("5","9","4","3","5","6","1") = "8"
    & skf18("5","9","4","3","5","7","1") = "8"
    & skf18("5","9","4","3","5","8","1") = "8"
    & skf18("5","9","4","3","5","9","1") = "8"
    & skf18("5","9","4","3","5","10","1") = "9"
    & skf18("5","9","4","3","6","1","1") = "8"
    & skf18("5","9","4","3","6","2","1") = "8"
    & skf18("5","9","4","3","6","3","1") = "8"
    & skf18("5","9","4","3","6","4","1") = "8"
    & skf18("5","9","4","3","6","5","1") = "8"
    & skf18("5","9","4","3","6","6","1") = "8"
    & skf18("5","9","4","3","6","7","1") = "8"
    & skf18("5","9","4","3","6","8","1") = "8"
    & skf18("5","9","4","3","6","9","1") = "8"
    & skf18("5","9","4","3","6","10","1") = "9"
    & skf18("5","9","4","3","7","1","1") = "8"
    & skf18("5","9","4","3","7","2","1") = "8"
    & skf18("5","9","4","3","7","3","1") = "8"
    & skf18("5","9","4","3","7","4","1") = "8"
    & skf18("5","9","4","3","7","5","1") = "8"
    & skf18("5","9","4","3","7","6","1") = "8"
    & skf18("5","9","4","3","7","7","1") = "8"
    & skf18("5","9","4","3","7","8","1") = "8"
    & skf18("5","9","4","3","7","9","1") = "8"
    & skf18("5","9","4","3","7","10","1") = "9"
    & skf18("5","9","4","3","8","1","1") = "8"
    & skf18("5","9","4","3","8","2","1") = "8"
    & skf18("5","9","4","3","8","3","1") = "8"
    & skf18("5","9","4","3","8","4","1") = "8"
    & skf18("5","9","4","3","8","5","1") = "8"
    & skf18("5","9","4","3","8","6","1") = "8"
    & skf18("5","9","4","3","8","7","1") = "8"
    & skf18("5","9","4","3","8","8","1") = "8"
    & skf18("5","9","4","3","8","9","1") = "8"
    & skf18("5","9","4","3","8","10","1") = "9"
    & skf18("5","9","4","3","9","1","1") = "8"
    & skf18("5","9","4","3","9","2","1") = "8"
    & skf18("5","9","4","3","9","3","1") = "8"
    & skf18("5","9","4","3","9","4","1") = "8"
    & skf18("5","9","4","3","9","5","1") = "8"
    & skf18("5","9","4","3","9","6","1") = "8"
    & skf18("5","9","4","3","9","7","1") = "8"
    & skf18("5","9","4","3","9","8","1") = "8"
    & skf18("5","9","4","3","9","9","1") = "8"
    & skf18("5","9","4","3","9","10","1") = "9"
    & skf18("5","9","4","3","10","1","1") = "9"
    & skf18("5","9","4","3","10","2","1") = "9"
    & skf18("5","9","4","3","10","3","1") = "9"
    & skf18("5","9","4","3","10","4","1") = "9"
    & skf18("5","9","4","3","10","5","1") = "9"
    & skf18("5","9","4","3","10","6","1") = "9"
    & skf18("5","9","4","3","10","7","1") = "9"
    & skf18("5","9","4","3","10","8","1") = "9"
    & skf18("5","9","4","3","10","9","1") = "9"
    & skf18("5","9","4","3","10","10","1") = "9"
    & skf18("5","9","4","4","1","1","1") = "8"
    & skf18("5","9","4","4","1","2","1") = "8"
    & skf18("5","9","4","4","1","3","1") = "8"
    & skf18("5","9","4","4","1","4","1") = "8"
    & skf18("5","9","4","4","1","5","1") = "8"
    & skf18("5","9","4","4","1","6","1") = "8"
    & skf18("5","9","4","4","1","7","1") = "8"
    & skf18("5","9","4","4","1","8","1") = "8"
    & skf18("5","9","4","4","1","9","1") = "8"
    & skf18("5","9","4","4","1","10","1") = "9"
    & skf18("5","9","4","4","2","1","1") = "8"
    & skf18("5","9","4","4","2","2","1") = "8"
    & skf18("5","9","4","4","2","3","1") = "8"
    & skf18("5","9","4","4","2","4","1") = "8"
    & skf18("5","9","4","4","2","5","1") = "8"
    & skf18("5","9","4","4","2","6","1") = "8"
    & skf18("5","9","4","4","2","7","1") = "8"
    & skf18("5","9","4","4","2","8","1") = "8"
    & skf18("5","9","4","4","2","9","1") = "8"
    & skf18("5","9","4","4","2","10","1") = "9"
    & skf18("5","9","4","4","3","1","1") = "8"
    & skf18("5","9","4","4","3","2","1") = "8"
    & skf18("5","9","4","4","3","3","1") = "8"
    & skf18("5","9","4","4","3","4","1") = "8"
    & skf18("5","9","4","4","3","5","1") = "8"
    & skf18("5","9","4","4","3","6","1") = "8"
    & skf18("5","9","4","4","3","7","1") = "8"
    & skf18("5","9","4","4","3","8","1") = "8"
    & skf18("5","9","4","4","3","9","1") = "8"
    & skf18("5","9","4","4","3","10","1") = "9"
    & skf18("5","9","4","4","4","1","1") = "8"
    & skf18("5","9","4","4","4","2","1") = "8"
    & skf18("5","9","4","4","4","3","1") = "8"
    & skf18("5","9","4","4","4","4","1") = "8"
    & skf18("5","9","4","4","4","5","1") = "8"
    & skf18("5","9","4","4","4","6","1") = "8"
    & skf18("5","9","4","4","4","7","1") = "8"
    & skf18("5","9","4","4","4","8","1") = "8"
    & skf18("5","9","4","4","4","9","1") = "8"
    & skf18("5","9","4","4","4","10","1") = "9"
    & skf18("5","9","4","4","5","1","1") = "8"
    & skf18("5","9","4","4","5","2","1") = "8"
    & skf18("5","9","4","4","5","3","1") = "8"
    & skf18("5","9","4","4","5","4","1") = "8"
    & skf18("5","9","4","4","5","5","1") = "8"
    & skf18("5","9","4","4","5","6","1") = "8"
    & skf18("5","9","4","4","5","7","1") = "8"
    & skf18("5","9","4","4","5","8","1") = "8"
    & skf18("5","9","4","4","5","9","1") = "8"
    & skf18("5","9","4","4","5","10","1") = "9"
    & skf18("5","9","4","4","6","1","1") = "8"
    & skf18("5","9","4","4","6","2","1") = "8"
    & skf18("5","9","4","4","6","3","1") = "8"
    & skf18("5","9","4","4","6","4","1") = "8"
    & skf18("5","9","4","4","6","5","1") = "8"
    & skf18("5","9","4","4","6","6","1") = "8"
    & skf18("5","9","4","4","6","7","1") = "8"
    & skf18("5","9","4","4","6","8","1") = "8"
    & skf18("5","9","4","4","6","9","1") = "8"
    & skf18("5","9","4","4","6","10","1") = "9"
    & skf18("5","9","4","4","7","1","1") = "8"
    & skf18("5","9","4","4","7","2","1") = "8"
    & skf18("5","9","4","4","7","3","1") = "8"
    & skf18("5","9","4","4","7","4","1") = "8"
    & skf18("5","9","4","4","7","5","1") = "8"
    & skf18("5","9","4","4","7","6","1") = "8"
    & skf18("5","9","4","4","7","7","1") = "8"
    & skf18("5","9","4","4","7","8","1") = "8"
    & skf18("5","9","4","4","7","9","1") = "8"
    & skf18("5","9","4","4","7","10","1") = "9"
    & skf18("5","9","4","4","8","1","1") = "8"
    & skf18("5","9","4","4","8","2","1") = "8"
    & skf18("5","9","4","4","8","3","1") = "8"
    & skf18("5","9","4","4","8","4","1") = "8"
    & skf18("5","9","4","4","8","5","1") = "8"
    & skf18("5","9","4","4","8","6","1") = "8"
    & skf18("5","9","4","4","8","7","1") = "8"
    & skf18("5","9","4","4","8","8","1") = "8"
    & skf18("5","9","4","4","8","9","1") = "8"
    & skf18("5","9","4","4","8","10","1") = "9"
    & skf18("5","9","4","4","9","1","1") = "8"
    & skf18("5","9","4","4","9","2","1") = "8"
    & skf18("5","9","4","4","9","3","1") = "8"
    & skf18("5","9","4","4","9","4","1") = "8"
    & skf18("5","9","4","4","9","5","1") = "8"
    & skf18("5","9","4","4","9","6","1") = "8"
    & skf18("5","9","4","4","9","7","1") = "8"
    & skf18("5","9","4","4","9","8","1") = "8"
    & skf18("5","9","4","4","9","9","1") = "8"
    & skf18("5","9","4","4","9","10","1") = "9"
    & skf18("5","9","4","4","10","1","1") = "9"
    & skf18("5","9","4","4","10","2","1") = "9"
    & skf18("5","9","4","4","10","3","1") = "9"
    & skf18("5","9","4","4","10","4","1") = "9"
    & skf18("5","9","4","4","10","5","1") = "9"
    & skf18("5","9","4","4","10","6","1") = "9"
    & skf18("5","9","4","4","10","7","1") = "9"
    & skf18("5","9","4","4","10","8","1") = "9"
    & skf18("5","9","4","4","10","9","1") = "9"
    & skf18("5","9","4","4","10","10","1") = "9"
    & skf18("5","9","4","5","1","1","1") = "8"
    & skf18("5","9","4","5","1","2","1") = "8"
    & skf18("5","9","4","5","1","3","1") = "8"
    & skf18("5","9","4","5","1","4","1") = "8"
    & skf18("5","9","4","5","1","5","1") = "8"
    & skf18("5","9","4","5","1","6","1") = "8"
    & skf18("5","9","4","5","1","7","1") = "8"
    & skf18("5","9","4","5","1","8","1") = "8"
    & skf18("5","9","4","5","1","9","1") = "8"
    & skf18("5","9","4","5","1","10","1") = "9"
    & skf18("5","9","4","5","2","1","1") = "8"
    & skf18("5","9","4","5","2","2","1") = "8"
    & skf18("5","9","4","5","2","3","1") = "8"
    & skf18("5","9","4","5","2","4","1") = "8"
    & skf18("5","9","4","5","2","5","1") = "8"
    & skf18("5","9","4","5","2","6","1") = "8"
    & skf18("5","9","4","5","2","7","1") = "8"
    & skf18("5","9","4","5","2","8","1") = "8"
    & skf18("5","9","4","5","2","9","1") = "8"
    & skf18("5","9","4","5","2","10","1") = "9"
    & skf18("5","9","4","5","3","1","1") = "8"
    & skf18("5","9","4","5","3","2","1") = "8"
    & skf18("5","9","4","5","3","3","1") = "8"
    & skf18("5","9","4","5","3","4","1") = "8"
    & skf18("5","9","4","5","3","5","1") = "8"
    & skf18("5","9","4","5","3","6","1") = "8"
    & skf18("5","9","4","5","3","7","1") = "8"
    & skf18("5","9","4","5","3","8","1") = "8"
    & skf18("5","9","4","5","3","9","1") = "8"
    & skf18("5","9","4","5","3","10","1") = "9"
    & skf18("5","9","4","5","4","1","1") = "8"
    & skf18("5","9","4","5","4","2","1") = "8"
    & skf18("5","9","4","5","4","3","1") = "8"
    & skf18("5","9","4","5","4","4","1") = "8"
    & skf18("5","9","4","5","4","5","1") = "8"
    & skf18("5","9","4","5","4","6","1") = "8"
    & skf18("5","9","4","5","4","7","1") = "8"
    & skf18("5","9","4","5","4","8","1") = "8"
    & skf18("5","9","4","5","4","9","1") = "8"
    & skf18("5","9","4","5","4","10","1") = "9"
    & skf18("5","9","4","5","5","1","1") = "8"
    & skf18("5","9","4","5","5","2","1") = "8"
    & skf18("5","9","4","5","5","3","1") = "8"
    & skf18("5","9","4","5","5","4","1") = "8"
    & skf18("5","9","4","5","5","5","1") = "8"
    & skf18("5","9","4","5","5","6","1") = "8"
    & skf18("5","9","4","5","5","7","1") = "8"
    & skf18("5","9","4","5","5","8","1") = "8"
    & skf18("5","9","4","5","5","9","1") = "8"
    & skf18("5","9","4","5","5","10","1") = "9"
    & skf18("5","9","4","5","6","1","1") = "8"
    & skf18("5","9","4","5","6","2","1") = "8"
    & skf18("5","9","4","5","6","3","1") = "8"
    & skf18("5","9","4","5","6","4","1") = "8"
    & skf18("5","9","4","5","6","5","1") = "8"
    & skf18("5","9","4","5","6","6","1") = "8"
    & skf18("5","9","4","5","6","7","1") = "8"
    & skf18("5","9","4","5","6","8","1") = "8"
    & skf18("5","9","4","5","6","9","1") = "8"
    & skf18("5","9","4","5","6","10","1") = "9"
    & skf18("5","9","4","5","7","1","1") = "8"
    & skf18("5","9","4","5","7","2","1") = "8"
    & skf18("5","9","4","5","7","3","1") = "8"
    & skf18("5","9","4","5","7","4","1") = "8"
    & skf18("5","9","4","5","7","5","1") = "8"
    & skf18("5","9","4","5","7","6","1") = "8"
    & skf18("5","9","4","5","7","7","1") = "8"
    & skf18("5","9","4","5","7","8","1") = "8"
    & skf18("5","9","4","5","7","9","1") = "8"
    & skf18("5","9","4","5","7","10","1") = "9"
    & skf18("5","9","4","5","8","1","1") = "8"
    & skf18("5","9","4","5","8","2","1") = "8"
    & skf18("5","9","4","5","8","3","1") = "8"
    & skf18("5","9","4","5","8","4","1") = "8"
    & skf18("5","9","4","5","8","5","1") = "8"
    & skf18("5","9","4","5","8","6","1") = "8"
    & skf18("5","9","4","5","8","7","1") = "8"
    & skf18("5","9","4","5","8","8","1") = "8"
    & skf18("5","9","4","5","8","9","1") = "8"
    & skf18("5","9","4","5","8","10","1") = "9"
    & skf18("5","9","4","5","9","1","1") = "8"
    & skf18("5","9","4","5","9","2","1") = "8"
    & skf18("5","9","4","5","9","3","1") = "8"
    & skf18("5","9","4","5","9","4","1") = "8"
    & skf18("5","9","4","5","9","5","1") = "8"
    & skf18("5","9","4","5","9","6","1") = "8"
    & skf18("5","9","4","5","9","7","1") = "8"
    & skf18("5","9","4","5","9","8","1") = "8"
    & skf18("5","9","4","5","9","9","1") = "8"
    & skf18("5","9","4","5","9","10","1") = "9"
    & skf18("5","9","4","5","10","1","1") = "9"
    & skf18("5","9","4","5","10","2","1") = "9"
    & skf18("5","9","4","5","10","3","1") = "9"
    & skf18("5","9","4","5","10","4","1") = "9"
    & skf18("5","9","4","5","10","5","1") = "9"
    & skf18("5","9","4","5","10","6","1") = "9"
    & skf18("5","9","4","5","10","7","1") = "9"
    & skf18("5","9","4","5","10","8","1") = "9"
    & skf18("5","9","4","5","10","9","1") = "9"
    & skf18("5","9","4","5","10","10","1") = "9"
    & skf18("5","9","4","6","1","1","1") = "8"
    & skf18("5","9","4","6","1","2","1") = "8"
    & skf18("5","9","4","6","1","3","1") = "8"
    & skf18("5","9","4","6","1","4","1") = "8"
    & skf18("5","9","4","6","1","5","1") = "8"
    & skf18("5","9","4","6","1","6","1") = "8"
    & skf18("5","9","4","6","1","7","1") = "8"
    & skf18("5","9","4","6","1","8","1") = "8"
    & skf18("5","9","4","6","1","9","1") = "8"
    & skf18("5","9","4","6","1","10","1") = "9"
    & skf18("5","9","4","6","2","1","1") = "8"
    & skf18("5","9","4","6","2","2","1") = "8"
    & skf18("5","9","4","6","2","3","1") = "8"
    & skf18("5","9","4","6","2","4","1") = "8"
    & skf18("5","9","4","6","2","5","1") = "8"
    & skf18("5","9","4","6","2","6","1") = "8"
    & skf18("5","9","4","6","2","7","1") = "8"
    & skf18("5","9","4","6","2","8","1") = "8"
    & skf18("5","9","4","6","2","9","1") = "8"
    & skf18("5","9","4","6","2","10","1") = "9"
    & skf18("5","9","4","6","3","1","1") = "8"
    & skf18("5","9","4","6","3","2","1") = "8"
    & skf18("5","9","4","6","3","3","1") = "8"
    & skf18("5","9","4","6","3","4","1") = "8"
    & skf18("5","9","4","6","3","5","1") = "8"
    & skf18("5","9","4","6","3","6","1") = "8"
    & skf18("5","9","4","6","3","7","1") = "8"
    & skf18("5","9","4","6","3","8","1") = "8"
    & skf18("5","9","4","6","3","9","1") = "8"
    & skf18("5","9","4","6","3","10","1") = "9"
    & skf18("5","9","4","6","4","1","1") = "8"
    & skf18("5","9","4","6","4","2","1") = "8"
    & skf18("5","9","4","6","4","3","1") = "8"
    & skf18("5","9","4","6","4","4","1") = "8"
    & skf18("5","9","4","6","4","5","1") = "8"
    & skf18("5","9","4","6","4","6","1") = "8"
    & skf18("5","9","4","6","4","7","1") = "8"
    & skf18("5","9","4","6","4","8","1") = "8"
    & skf18("5","9","4","6","4","9","1") = "8"
    & skf18("5","9","4","6","4","10","1") = "9"
    & skf18("5","9","4","6","5","1","1") = "8"
    & skf18("5","9","4","6","5","2","1") = "8"
    & skf18("5","9","4","6","5","3","1") = "8"
    & skf18("5","9","4","6","5","4","1") = "8"
    & skf18("5","9","4","6","5","5","1") = "8"
    & skf18("5","9","4","6","5","6","1") = "8"
    & skf18("5","9","4","6","5","7","1") = "8"
    & skf18("5","9","4","6","5","8","1") = "8"
    & skf18("5","9","4","6","5","9","1") = "8"
    & skf18("5","9","4","6","5","10","1") = "9"
    & skf18("5","9","4","6","6","1","1") = "8"
    & skf18("5","9","4","6","6","2","1") = "8"
    & skf18("5","9","4","6","6","3","1") = "8"
    & skf18("5","9","4","6","6","4","1") = "8"
    & skf18("5","9","4","6","6","5","1") = "8"
    & skf18("5","9","4","6","6","6","1") = "8"
    & skf18("5","9","4","6","6","7","1") = "8"
    & skf18("5","9","4","6","6","8","1") = "8"
    & skf18("5","9","4","6","6","9","1") = "8"
    & skf18("5","9","4","6","6","10","1") = "9"
    & skf18("5","9","4","6","7","1","1") = "8"
    & skf18("5","9","4","6","7","2","1") = "8"
    & skf18("5","9","4","6","7","3","1") = "8"
    & skf18("5","9","4","6","7","4","1") = "8"
    & skf18("5","9","4","6","7","5","1") = "8"
    & skf18("5","9","4","6","7","6","1") = "8"
    & skf18("5","9","4","6","7","7","1") = "8"
    & skf18("5","9","4","6","7","8","1") = "8"
    & skf18("5","9","4","6","7","9","1") = "8"
    & skf18("5","9","4","6","7","10","1") = "9"
    & skf18("5","9","4","6","8","1","1") = "8"
    & skf18("5","9","4","6","8","2","1") = "8"
    & skf18("5","9","4","6","8","3","1") = "8"
    & skf18("5","9","4","6","8","4","1") = "8"
    & skf18("5","9","4","6","8","5","1") = "8"
    & skf18("5","9","4","6","8","6","1") = "8"
    & skf18("5","9","4","6","8","7","1") = "8"
    & skf18("5","9","4","6","8","8","1") = "8"
    & skf18("5","9","4","6","8","9","1") = "8"
    & skf18("5","9","4","6","8","10","1") = "9"
    & skf18("5","9","4","6","9","1","1") = "8"
    & skf18("5","9","4","6","9","2","1") = "8"
    & skf18("5","9","4","6","9","3","1") = "8"
    & skf18("5","9","4","6","9","4","1") = "8"
    & skf18("5","9","4","6","9","5","1") = "8"
    & skf18("5","9","4","6","9","6","1") = "8"
    & skf18("5","9","4","6","9","7","1") = "8"
    & skf18("5","9","4","6","9","8","1") = "8"
    & skf18("5","9","4","6","9","9","1") = "8"
    & skf18("5","9","4","6","9","10","1") = "9"
    & skf18("5","9","4","6","10","1","1") = "9"
    & skf18("5","9","4","6","10","2","1") = "9"
    & skf18("5","9","4","6","10","3","1") = "9"
    & skf18("5","9","4","6","10","4","1") = "9"
    & skf18("5","9","4","6","10","5","1") = "9"
    & skf18("5","9","4","6","10","6","1") = "9"
    & skf18("5","9","4","6","10","7","1") = "9"
    & skf18("5","9","4","6","10","8","1") = "9"
    & skf18("5","9","4","6","10","9","1") = "9"
    & skf18("5","9","4","6","10","10","1") = "9"
    & skf18("5","9","4","7","1","1","1") = "8"
    & skf18("5","9","4","7","1","2","1") = "8"
    & skf18("5","9","4","7","1","3","1") = "8"
    & skf18("5","9","4","7","1","4","1") = "8"
    & skf18("5","9","4","7","1","5","1") = "8"
    & skf18("5","9","4","7","1","6","1") = "8"
    & skf18("5","9","4","7","1","7","1") = "8"
    & skf18("5","9","4","7","1","8","1") = "8"
    & skf18("5","9","4","7","1","9","1") = "8"
    & skf18("5","9","4","7","1","10","1") = "9"
    & skf18("5","9","4","7","2","1","1") = "8"
    & skf18("5","9","4","7","2","2","1") = "8"
    & skf18("5","9","4","7","2","3","1") = "8"
    & skf18("5","9","4","7","2","4","1") = "8"
    & skf18("5","9","4","7","2","5","1") = "8"
    & skf18("5","9","4","7","2","6","1") = "8"
    & skf18("5","9","4","7","2","7","1") = "8"
    & skf18("5","9","4","7","2","8","1") = "8"
    & skf18("5","9","4","7","2","9","1") = "8"
    & skf18("5","9","4","7","2","10","1") = "9"
    & skf18("5","9","4","7","3","1","1") = "8"
    & skf18("5","9","4","7","3","2","1") = "8"
    & skf18("5","9","4","7","3","3","1") = "8"
    & skf18("5","9","4","7","3","4","1") = "8"
    & skf18("5","9","4","7","3","5","1") = "8"
    & skf18("5","9","4","7","3","6","1") = "8"
    & skf18("5","9","4","7","3","7","1") = "8"
    & skf18("5","9","4","7","3","8","1") = "8"
    & skf18("5","9","4","7","3","9","1") = "8"
    & skf18("5","9","4","7","3","10","1") = "9"
    & skf18("5","9","4","7","4","1","1") = "8"
    & skf18("5","9","4","7","4","2","1") = "8"
    & skf18("5","9","4","7","4","3","1") = "8"
    & skf18("5","9","4","7","4","4","1") = "8"
    & skf18("5","9","4","7","4","5","1") = "8"
    & skf18("5","9","4","7","4","6","1") = "8"
    & skf18("5","9","4","7","4","7","1") = "8"
    & skf18("5","9","4","7","4","8","1") = "8"
    & skf18("5","9","4","7","4","9","1") = "8"
    & skf18("5","9","4","7","4","10","1") = "9"
    & skf18("5","9","4","7","5","1","1") = "8"
    & skf18("5","9","4","7","5","2","1") = "8"
    & skf18("5","9","4","7","5","3","1") = "8"
    & skf18("5","9","4","7","5","4","1") = "8"
    & skf18("5","9","4","7","5","5","1") = "8"
    & skf18("5","9","4","7","5","6","1") = "8"
    & skf18("5","9","4","7","5","7","1") = "8"
    & skf18("5","9","4","7","5","8","1") = "8"
    & skf18("5","9","4","7","5","9","1") = "8"
    & skf18("5","9","4","7","5","10","1") = "9"
    & skf18("5","9","4","7","6","1","1") = "8"
    & skf18("5","9","4","7","6","2","1") = "8"
    & skf18("5","9","4","7","6","3","1") = "8"
    & skf18("5","9","4","7","6","4","1") = "8"
    & skf18("5","9","4","7","6","5","1") = "8"
    & skf18("5","9","4","7","6","6","1") = "8"
    & skf18("5","9","4","7","6","7","1") = "8"
    & skf18("5","9","4","7","6","8","1") = "8"
    & skf18("5","9","4","7","6","9","1") = "8"
    & skf18("5","9","4","7","6","10","1") = "9"
    & skf18("5","9","4","7","7","1","1") = "8"
    & skf18("5","9","4","7","7","2","1") = "8"
    & skf18("5","9","4","7","7","3","1") = "8"
    & skf18("5","9","4","7","7","4","1") = "8"
    & skf18("5","9","4","7","7","5","1") = "8"
    & skf18("5","9","4","7","7","6","1") = "8"
    & skf18("5","9","4","7","7","7","1") = "8"
    & skf18("5","9","4","7","7","8","1") = "8"
    & skf18("5","9","4","7","7","9","1") = "8"
    & skf18("5","9","4","7","7","10","1") = "9"
    & skf18("5","9","4","7","8","1","1") = "8"
    & skf18("5","9","4","7","8","2","1") = "8"
    & skf18("5","9","4","7","8","3","1") = "8"
    & skf18("5","9","4","7","8","4","1") = "8"
    & skf18("5","9","4","7","8","5","1") = "8"
    & skf18("5","9","4","7","8","6","1") = "8"
    & skf18("5","9","4","7","8","7","1") = "8"
    & skf18("5","9","4","7","8","8","1") = "8"
    & skf18("5","9","4","7","8","9","1") = "8"
    & skf18("5","9","4","7","8","10","1") = "9"
    & skf18("5","9","4","7","9","1","1") = "8"
    & skf18("5","9","4","7","9","2","1") = "8"
    & skf18("5","9","4","7","9","3","1") = "8"
    & skf18("5","9","4","7","9","4","1") = "8"
    & skf18("5","9","4","7","9","5","1") = "8"
    & skf18("5","9","4","7","9","6","1") = "8"
    & skf18("5","9","4","7","9","7","1") = "8"
    & skf18("5","9","4","7","9","8","1") = "8"
    & skf18("5","9","4","7","9","9","1") = "8"
    & skf18("5","9","4","7","9","10","1") = "9"
    & skf18("5","9","4","7","10","1","1") = "9"
    & skf18("5","9","4","7","10","2","1") = "9"
    & skf18("5","9","4","7","10","3","1") = "9"
    & skf18("5","9","4","7","10","4","1") = "9"
    & skf18("5","9","4","7","10","5","1") = "9"
    & skf18("5","9","4","7","10","6","1") = "9"
    & skf18("5","9","4","7","10","7","1") = "9"
    & skf18("5","9","4","7","10","8","1") = "9"
    & skf18("5","9","4","7","10","9","1") = "9"
    & skf18("5","9","4","7","10","10","1") = "9"
    & skf18("5","9","4","8","1","1","1") = "8"
    & skf18("5","9","4","8","1","2","1") = "8"
    & skf18("5","9","4","8","1","3","1") = "8"
    & skf18("5","9","4","8","1","4","1") = "8"
    & skf18("5","9","4","8","1","5","1") = "8"
    & skf18("5","9","4","8","1","6","1") = "8"
    & skf18("5","9","4","8","1","7","1") = "8"
    & skf18("5","9","4","8","1","8","1") = "8"
    & skf18("5","9","4","8","1","9","1") = "8"
    & skf18("5","9","4","8","1","10","1") = "9"
    & skf18("5","9","4","8","2","1","1") = "8"
    & skf18("5","9","4","8","2","2","1") = "8"
    & skf18("5","9","4","8","2","3","1") = "8"
    & skf18("5","9","4","8","2","4","1") = "8"
    & skf18("5","9","4","8","2","5","1") = "8"
    & skf18("5","9","4","8","2","6","1") = "8"
    & skf18("5","9","4","8","2","7","1") = "8"
    & skf18("5","9","4","8","2","8","1") = "8"
    & skf18("5","9","4","8","2","9","1") = "8"
    & skf18("5","9","4","8","2","10","1") = "9"
    & skf18("5","9","4","8","3","1","1") = "8"
    & skf18("5","9","4","8","3","2","1") = "8"
    & skf18("5","9","4","8","3","3","1") = "8"
    & skf18("5","9","4","8","3","4","1") = "8"
    & skf18("5","9","4","8","3","5","1") = "8"
    & skf18("5","9","4","8","3","6","1") = "8"
    & skf18("5","9","4","8","3","7","1") = "8"
    & skf18("5","9","4","8","3","8","1") = "8"
    & skf18("5","9","4","8","3","9","1") = "8"
    & skf18("5","9","4","8","3","10","1") = "9"
    & skf18("5","9","4","8","4","1","1") = "8"
    & skf18("5","9","4","8","4","2","1") = "8"
    & skf18("5","9","4","8","4","3","1") = "8"
    & skf18("5","9","4","8","4","4","1") = "8"
    & skf18("5","9","4","8","4","5","1") = "8"
    & skf18("5","9","4","8","4","6","1") = "8"
    & skf18("5","9","4","8","4","7","1") = "8"
    & skf18("5","9","4","8","4","8","1") = "8"
    & skf18("5","9","4","8","4","9","1") = "8"
    & skf18("5","9","4","8","4","10","1") = "9"
    & skf18("5","9","4","8","5","1","1") = "8"
    & skf18("5","9","4","8","5","2","1") = "8"
    & skf18("5","9","4","8","5","3","1") = "8"
    & skf18("5","9","4","8","5","4","1") = "8"
    & skf18("5","9","4","8","5","5","1") = "8"
    & skf18("5","9","4","8","5","6","1") = "8"
    & skf18("5","9","4","8","5","7","1") = "8"
    & skf18("5","9","4","8","5","8","1") = "8"
    & skf18("5","9","4","8","5","9","1") = "8"
    & skf18("5","9","4","8","5","10","1") = "9"
    & skf18("5","9","4","8","6","1","1") = "8"
    & skf18("5","9","4","8","6","2","1") = "8"
    & skf18("5","9","4","8","6","3","1") = "8"
    & skf18("5","9","4","8","6","4","1") = "8"
    & skf18("5","9","4","8","6","5","1") = "8"
    & skf18("5","9","4","8","6","6","1") = "8"
    & skf18("5","9","4","8","6","7","1") = "8"
    & skf18("5","9","4","8","6","8","1") = "8"
    & skf18("5","9","4","8","6","9","1") = "8"
    & skf18("5","9","4","8","6","10","1") = "9"
    & skf18("5","9","4","8","7","1","1") = "8"
    & skf18("5","9","4","8","7","2","1") = "8"
    & skf18("5","9","4","8","7","3","1") = "8"
    & skf18("5","9","4","8","7","4","1") = "8"
    & skf18("5","9","4","8","7","5","1") = "8"
    & skf18("5","9","4","8","7","6","1") = "8"
    & skf18("5","9","4","8","7","7","1") = "8"
    & skf18("5","9","4","8","7","8","1") = "8"
    & skf18("5","9","4","8","7","9","1") = "8"
    & skf18("5","9","4","8","7","10","1") = "9"
    & skf18("5","9","4","8","8","1","1") = "8"
    & skf18("5","9","4","8","8","2","1") = "8"
    & skf18("5","9","4","8","8","3","1") = "8"
    & skf18("5","9","4","8","8","4","1") = "8"
    & skf18("5","9","4","8","8","5","1") = "8"
    & skf18("5","9","4","8","8","6","1") = "8"
    & skf18("5","9","4","8","8","7","1") = "8"
    & skf18("5","9","4","8","8","8","1") = "8"
    & skf18("5","9","4","8","8","9","1") = "8"
    & skf18("5","9","4","8","8","10","1") = "9"
    & skf18("5","9","4","8","9","1","1") = "8"
    & skf18("5","9","4","8","9","2","1") = "8"
    & skf18("5","9","4","8","9","3","1") = "8"
    & skf18("5","9","4","8","9","4","1") = "8"
    & skf18("5","9","4","8","9","5","1") = "8"
    & skf18("5","9","4","8","9","6","1") = "8"
    & skf18("5","9","4","8","9","7","1") = "8"
    & skf18("5","9","4","8","9","8","1") = "8"
    & skf18("5","9","4","8","9","9","1") = "8"
    & skf18("5","9","4","8","9","10","1") = "9"
    & skf18("5","9","4","8","10","1","1") = "9"
    & skf18("5","9","4","8","10","2","1") = "9"
    & skf18("5","9","4","8","10","3","1") = "9"
    & skf18("5","9","4","8","10","4","1") = "9"
    & skf18("5","9","4","8","10","5","1") = "9"
    & skf18("5","9","4","8","10","6","1") = "9"
    & skf18("5","9","4","8","10","7","1") = "9"
    & skf18("5","9","4","8","10","8","1") = "9"
    & skf18("5","9","4","8","10","9","1") = "9"
    & skf18("5","9","4","8","10","10","1") = "9"
    & skf18("5","9","4","9","1","1","1") = "8"
    & skf18("5","9","4","9","1","2","1") = "8"
    & skf18("5","9","4","9","1","3","1") = "8"
    & skf18("5","9","4","9","1","4","1") = "8"
    & skf18("5","9","4","9","1","5","1") = "8"
    & skf18("5","9","4","9","1","6","1") = "8"
    & skf18("5","9","4","9","1","7","1") = "8"
    & skf18("5","9","4","9","1","8","1") = "8"
    & skf18("5","9","4","9","1","9","1") = "8"
    & skf18("5","9","4","9","1","10","1") = "9"
    & skf18("5","9","4","9","2","1","1") = "8"
    & skf18("5","9","4","9","2","2","1") = "8"
    & skf18("5","9","4","9","2","3","1") = "8"
    & skf18("5","9","4","9","2","4","1") = "8"
    & skf18("5","9","4","9","2","5","1") = "8"
    & skf18("5","9","4","9","2","6","1") = "8"
    & skf18("5","9","4","9","2","7","1") = "8"
    & skf18("5","9","4","9","2","8","1") = "8"
    & skf18("5","9","4","9","2","9","1") = "8"
    & skf18("5","9","4","9","2","10","1") = "9"
    & skf18("5","9","4","9","3","1","1") = "8"
    & skf18("5","9","4","9","3","2","1") = "8"
    & skf18("5","9","4","9","3","3","1") = "8"
    & skf18("5","9","4","9","3","4","1") = "8"
    & skf18("5","9","4","9","3","5","1") = "8"
    & skf18("5","9","4","9","3","6","1") = "8"
    & skf18("5","9","4","9","3","7","1") = "8"
    & skf18("5","9","4","9","3","8","1") = "8"
    & skf18("5","9","4","9","3","9","1") = "8"
    & skf18("5","9","4","9","3","10","1") = "9"
    & skf18("5","9","4","9","4","1","1") = "8"
    & skf18("5","9","4","9","4","2","1") = "8"
    & skf18("5","9","4","9","4","3","1") = "8"
    & skf18("5","9","4","9","4","4","1") = "8"
    & skf18("5","9","4","9","4","5","1") = "8"
    & skf18("5","9","4","9","4","6","1") = "8"
    & skf18("5","9","4","9","4","7","1") = "8"
    & skf18("5","9","4","9","4","8","1") = "8"
    & skf18("5","9","4","9","4","9","1") = "8"
    & skf18("5","9","4","9","4","10","1") = "9"
    & skf18("5","9","4","9","5","1","1") = "8"
    & skf18("5","9","4","9","5","2","1") = "8"
    & skf18("5","9","4","9","5","3","1") = "8"
    & skf18("5","9","4","9","5","4","1") = "8"
    & skf18("5","9","4","9","5","5","1") = "8"
    & skf18("5","9","4","9","5","6","1") = "8"
    & skf18("5","9","4","9","5","7","1") = "8"
    & skf18("5","9","4","9","5","8","1") = "8"
    & skf18("5","9","4","9","5","9","1") = "8"
    & skf18("5","9","4","9","5","10","1") = "9"
    & skf18("5","9","4","9","6","1","1") = "8"
    & skf18("5","9","4","9","6","2","1") = "8"
    & skf18("5","9","4","9","6","3","1") = "8"
    & skf18("5","9","4","9","6","4","1") = "8"
    & skf18("5","9","4","9","6","5","1") = "8"
    & skf18("5","9","4","9","6","6","1") = "8"
    & skf18("5","9","4","9","6","7","1") = "8"
    & skf18("5","9","4","9","6","8","1") = "8"
    & skf18("5","9","4","9","6","9","1") = "8"
    & skf18("5","9","4","9","6","10","1") = "9"
    & skf18("5","9","4","9","7","1","1") = "8"
    & skf18("5","9","4","9","7","2","1") = "8"
    & skf18("5","9","4","9","7","3","1") = "8"
    & skf18("5","9","4","9","7","4","1") = "8"
    & skf18("5","9","4","9","7","5","1") = "8"
    & skf18("5","9","4","9","7","6","1") = "8"
    & skf18("5","9","4","9","7","7","1") = "8"
    & skf18("5","9","4","9","7","8","1") = "8"
    & skf18("5","9","4","9","7","9","1") = "8"
    & skf18("5","9","4","9","7","10","1") = "9"
    & skf18("5","9","4","9","8","1","1") = "8"
    & skf18("5","9","4","9","8","2","1") = "8"
    & skf18("5","9","4","9","8","3","1") = "8"
    & skf18("5","9","4","9","8","4","1") = "8"
    & skf18("5","9","4","9","8","5","1") = "8"
    & skf18("5","9","4","9","8","6","1") = "8"
    & skf18("5","9","4","9","8","7","1") = "8"
    & skf18("5","9","4","9","8","8","1") = "8"
    & skf18("5","9","4","9","8","9","1") = "8"
    & skf18("5","9","4","9","8","10","1") = "9"
    & skf18("5","9","4","9","9","1","1") = "8"
    & skf18("5","9","4","9","9","2","1") = "8"
    & skf18("5","9","4","9","9","3","1") = "8"
    & skf18("5","9","4","9","9","4","1") = "8"
    & skf18("5","9","4","9","9","5","1") = "8"
    & skf18("5","9","4","9","9","6","1") = "8"
    & skf18("5","9","4","9","9","7","1") = "8"
    & skf18("5","9","4","9","9","8","1") = "8"
    & skf18("5","9","4","9","9","9","1") = "8"
    & skf18("5","9","4","9","9","10","1") = "9"
    & skf18("5","9","4","9","10","1","1") = "9"
    & skf18("5","9","4","9","10","2","1") = "9"
    & skf18("5","9","4","9","10","3","1") = "9"
    & skf18("5","9","4","9","10","4","1") = "9"
    & skf18("5","9","4","9","10","5","1") = "9"
    & skf18("5","9","4","9","10","6","1") = "9"
    & skf18("5","9","4","9","10","7","1") = "9"
    & skf18("5","9","4","9","10","8","1") = "9"
    & skf18("5","9","4","9","10","9","1") = "9"
    & skf18("5","9","4","9","10","10","1") = "9"
    & skf18("5","9","4","10","1","1","1") = "9"
    & skf18("5","9","4","10","1","2","1") = "9"
    & skf18("5","9","4","10","1","3","1") = "9"
    & skf18("5","9","4","10","1","4","1") = "9"
    & skf18("5","9","4","10","1","5","1") = "9"
    & skf18("5","9","4","10","1","6","1") = "9"
    & skf18("5","9","4","10","1","7","1") = "9"
    & skf18("5","9","4","10","1","8","1") = "9"
    & skf18("5","9","4","10","1","9","1") = "9"
    & skf18("5","9","4","10","1","10","1") = "9"
    & skf18("5","9","4","10","2","1","1") = "9"
    & skf18("5","9","4","10","2","2","1") = "9"
    & skf18("5","9","4","10","2","3","1") = "9"
    & skf18("5","9","4","10","2","4","1") = "9"
    & skf18("5","9","4","10","2","5","1") = "9"
    & skf18("5","9","4","10","2","6","1") = "9"
    & skf18("5","9","4","10","2","7","1") = "9"
    & skf18("5","9","4","10","2","8","1") = "9"
    & skf18("5","9","4","10","2","9","1") = "9"
    & skf18("5","9","4","10","2","10","1") = "9"
    & skf18("5","9","4","10","3","1","1") = "9"
    & skf18("5","9","4","10","3","2","1") = "9"
    & skf18("5","9","4","10","3","3","1") = "9"
    & skf18("5","9","4","10","3","4","1") = "9"
    & skf18("5","9","4","10","3","5","1") = "9"
    & skf18("5","9","4","10","3","6","1") = "9"
    & skf18("5","9","4","10","3","7","1") = "9"
    & skf18("5","9","4","10","3","8","1") = "9"
    & skf18("5","9","4","10","3","9","1") = "9"
    & skf18("5","9","4","10","3","10","1") = "9"
    & skf18("5","9","4","10","4","1","1") = "9"
    & skf18("5","9","4","10","4","2","1") = "9"
    & skf18("5","9","4","10","4","3","1") = "9"
    & skf18("5","9","4","10","4","4","1") = "9"
    & skf18("5","9","4","10","4","5","1") = "9"
    & skf18("5","9","4","10","4","6","1") = "9"
    & skf18("5","9","4","10","4","7","1") = "9"
    & skf18("5","9","4","10","4","8","1") = "9"
    & skf18("5","9","4","10","4","9","1") = "9"
    & skf18("5","9","4","10","4","10","1") = "9"
    & skf18("5","9","4","10","5","1","1") = "9"
    & skf18("5","9","4","10","5","2","1") = "9"
    & skf18("5","9","4","10","5","3","1") = "9"
    & skf18("5","9","4","10","5","4","1") = "9"
    & skf18("5","9","4","10","5","5","1") = "9"
    & skf18("5","9","4","10","5","6","1") = "9"
    & skf18("5","9","4","10","5","7","1") = "9"
    & skf18("5","9","4","10","5","8","1") = "9"
    & skf18("5","9","4","10","5","9","1") = "9"
    & skf18("5","9","4","10","5","10","1") = "9"
    & skf18("5","9","4","10","6","1","1") = "9"
    & skf18("5","9","4","10","6","2","1") = "9"
    & skf18("5","9","4","10","6","3","1") = "9"
    & skf18("5","9","4","10","6","4","1") = "9"
    & skf18("5","9","4","10","6","5","1") = "9"
    & skf18("5","9","4","10","6","6","1") = "9"
    & skf18("5","9","4","10","6","7","1") = "9"
    & skf18("5","9","4","10","6","8","1") = "9"
    & skf18("5","9","4","10","6","9","1") = "9"
    & skf18("5","9","4","10","6","10","1") = "9"
    & skf18("5","9","4","10","7","1","1") = "9"
    & skf18("5","9","4","10","7","2","1") = "9"
    & skf18("5","9","4","10","7","3","1") = "9"
    & skf18("5","9","4","10","7","4","1") = "9"
    & skf18("5","9","4","10","7","5","1") = "9"
    & skf18("5","9","4","10","7","6","1") = "9"
    & skf18("5","9","4","10","7","7","1") = "9"
    & skf18("5","9","4","10","7","8","1") = "9"
    & skf18("5","9","4","10","7","9","1") = "9"
    & skf18("5","9","4","10","7","10","1") = "9"
    & skf18("5","9","4","10","8","1","1") = "9"
    & skf18("5","9","4","10","8","2","1") = "9"
    & skf18("5","9","4","10","8","3","1") = "9"
    & skf18("5","9","4","10","8","4","1") = "9"
    & skf18("5","9","4","10","8","5","1") = "9"
    & skf18("5","9","4","10","8","6","1") = "9"
    & skf18("5","9","4","10","8","7","1") = "9"
    & skf18("5","9","4","10","8","8","1") = "9"
    & skf18("5","9","4","10","8","9","1") = "9"
    & skf18("5","9","4","10","8","10","1") = "9"
    & skf18("5","9","4","10","9","1","1") = "9"
    & skf18("5","9","4","10","9","2","1") = "9"
    & skf18("5","9","4","10","9","3","1") = "9"
    & skf18("5","9","4","10","9","4","1") = "9"
    & skf18("5","9","4","10","9","5","1") = "9"
    & skf18("5","9","4","10","9","6","1") = "9"
    & skf18("5","9","4","10","9","7","1") = "9"
    & skf18("5","9","4","10","9","8","1") = "9"
    & skf18("5","9","4","10","9","9","1") = "9"
    & skf18("5","9","4","10","9","10","1") = "9"
    & skf18("5","9","4","10","10","1","1") = "9"
    & skf18("5","9","4","10","10","2","1") = "9"
    & skf18("5","9","4","10","10","3","1") = "9"
    & skf18("5","9","4","10","10","4","1") = "9"
    & skf18("5","9","4","10","10","5","1") = "9"
    & skf18("5","9","4","10","10","6","1") = "9"
    & skf18("5","9","4","10","10","7","1") = "9"
    & skf18("5","9","4","10","10","8","1") = "9"
    & skf18("5","9","4","10","10","9","1") = "9"
    & skf18("5","9","4","10","10","10","1") = "9"
    & skf18("5","9","5","1","1","1","1") = "8"
    & skf18("5","9","5","1","1","2","1") = "8"
    & skf18("5","9","5","1","1","3","1") = "8"
    & skf18("5","9","5","1","1","4","1") = "8"
    & skf18("5","9","5","1","1","5","1") = "8"
    & skf18("5","9","5","1","1","6","1") = "8"
    & skf18("5","9","5","1","1","7","1") = "8"
    & skf18("5","9","5","1","1","8","1") = "8"
    & skf18("5","9","5","1","1","9","1") = "8"
    & skf18("5","9","5","1","1","10","1") = "9"
    & skf18("5","9","5","1","2","1","1") = "8"
    & skf18("5","9","5","1","2","2","1") = "8"
    & skf18("5","9","5","1","2","3","1") = "8"
    & skf18("5","9","5","1","2","4","1") = "8"
    & skf18("5","9","5","1","2","5","1") = "8"
    & skf18("5","9","5","1","2","6","1") = "8"
    & skf18("5","9","5","1","2","7","1") = "8"
    & skf18("5","9","5","1","2","8","1") = "8"
    & skf18("5","9","5","1","2","9","1") = "8"
    & skf18("5","9","5","1","2","10","1") = "9"
    & skf18("5","9","5","1","3","1","1") = "8"
    & skf18("5","9","5","1","3","2","1") = "8"
    & skf18("5","9","5","1","3","3","1") = "8"
    & skf18("5","9","5","1","3","4","1") = "8"
    & skf18("5","9","5","1","3","5","1") = "8"
    & skf18("5","9","5","1","3","6","1") = "8"
    & skf18("5","9","5","1","3","7","1") = "8"
    & skf18("5","9","5","1","3","8","1") = "8"
    & skf18("5","9","5","1","3","9","1") = "8"
    & skf18("5","9","5","1","3","10","1") = "9"
    & skf18("5","9","5","1","4","1","1") = "8"
    & skf18("5","9","5","1","4","2","1") = "8"
    & skf18("5","9","5","1","4","3","1") = "8"
    & skf18("5","9","5","1","4","4","1") = "8"
    & skf18("5","9","5","1","4","5","1") = "8"
    & skf18("5","9","5","1","4","6","1") = "8"
    & skf18("5","9","5","1","4","7","1") = "8"
    & skf18("5","9","5","1","4","8","1") = "8"
    & skf18("5","9","5","1","4","9","1") = "8"
    & skf18("5","9","5","1","4","10","1") = "9"
    & skf18("5","9","5","1","5","1","1") = "8"
    & skf18("5","9","5","1","5","2","1") = "8"
    & skf18("5","9","5","1","5","3","1") = "8"
    & skf18("5","9","5","1","5","4","1") = "8"
    & skf18("5","9","5","1","5","5","1") = "8"
    & skf18("5","9","5","1","5","6","1") = "8"
    & skf18("5","9","5","1","5","7","1") = "8"
    & skf18("5","9","5","1","5","8","1") = "8"
    & skf18("5","9","5","1","5","9","1") = "8"
    & skf18("5","9","5","1","5","10","1") = "9"
    & skf18("5","9","5","1","6","1","1") = "8"
    & skf18("5","9","5","1","6","2","1") = "8"
    & skf18("5","9","5","1","6","3","1") = "8"
    & skf18("5","9","5","1","6","4","1") = "8"
    & skf18("5","9","5","1","6","5","1") = "8"
    & skf18("5","9","5","1","6","6","1") = "8"
    & skf18("5","9","5","1","6","7","1") = "8"
    & skf18("5","9","5","1","6","8","1") = "8"
    & skf18("5","9","5","1","6","9","1") = "8"
    & skf18("5","9","5","1","6","10","1") = "9"
    & skf18("5","9","5","1","7","1","1") = "8"
    & skf18("5","9","5","1","7","2","1") = "8"
    & skf18("5","9","5","1","7","3","1") = "8"
    & skf18("5","9","5","1","7","4","1") = "8"
    & skf18("5","9","5","1","7","5","1") = "8"
    & skf18("5","9","5","1","7","6","1") = "8"
    & skf18("5","9","5","1","7","7","1") = "8"
    & skf18("5","9","5","1","7","8","1") = "8"
    & skf18("5","9","5","1","7","9","1") = "8"
    & skf18("5","9","5","1","7","10","1") = "9"
    & skf18("5","9","5","1","8","1","1") = "8"
    & skf18("5","9","5","1","8","2","1") = "8"
    & skf18("5","9","5","1","8","3","1") = "8"
    & skf18("5","9","5","1","8","4","1") = "8"
    & skf18("5","9","5","1","8","5","1") = "8"
    & skf18("5","9","5","1","8","6","1") = "8"
    & skf18("5","9","5","1","8","7","1") = "8"
    & skf18("5","9","5","1","8","8","1") = "8"
    & skf18("5","9","5","1","8","9","1") = "8"
    & skf18("5","9","5","1","8","10","1") = "9"
    & skf18("5","9","5","1","9","1","1") = "8"
    & skf18("5","9","5","1","9","2","1") = "8"
    & skf18("5","9","5","1","9","3","1") = "8"
    & skf18("5","9","5","1","9","4","1") = "8"
    & skf18("5","9","5","1","9","5","1") = "8"
    & skf18("5","9","5","1","9","6","1") = "8"
    & skf18("5","9","5","1","9","7","1") = "8"
    & skf18("5","9","5","1","9","8","1") = "8"
    & skf18("5","9","5","1","9","9","1") = "8"
    & skf18("5","9","5","1","9","10","1") = "9"
    & skf18("5","9","5","1","10","1","1") = "9"
    & skf18("5","9","5","1","10","2","1") = "9"
    & skf18("5","9","5","1","10","3","1") = "9"
    & skf18("5","9","5","1","10","4","1") = "9"
    & skf18("5","9","5","1","10","5","1") = "9"
    & skf18("5","9","5","1","10","6","1") = "9"
    & skf18("5","9","5","1","10","7","1") = "9"
    & skf18("5","9","5","1","10","8","1") = "9"
    & skf18("5","9","5","1","10","9","1") = "9"
    & skf18("5","9","5","1","10","10","1") = "9"
    & skf18("5","9","5","2","1","1","1") = "8"
    & skf18("5","9","5","2","1","2","1") = "8"
    & skf18("5","9","5","2","1","3","1") = "8"
    & skf18("5","9","5","2","1","4","1") = "8"
    & skf18("5","9","5","2","1","5","1") = "8"
    & skf18("5","9","5","2","1","6","1") = "8"
    & skf18("5","9","5","2","1","7","1") = "8"
    & skf18("5","9","5","2","1","8","1") = "8"
    & skf18("5","9","5","2","1","9","1") = "8"
    & skf18("5","9","5","2","1","10","1") = "9"
    & skf18("5","9","5","2","2","1","1") = "8"
    & skf18("5","9","5","2","2","2","1") = "8"
    & skf18("5","9","5","2","2","3","1") = "8"
    & skf18("5","9","5","2","2","4","1") = "8"
    & skf18("5","9","5","2","2","5","1") = "8"
    & skf18("5","9","5","2","2","6","1") = "8"
    & skf18("5","9","5","2","2","7","1") = "8"
    & skf18("5","9","5","2","2","8","1") = "8"
    & skf18("5","9","5","2","2","9","1") = "8"
    & skf18("5","9","5","2","2","10","1") = "9"
    & skf18("5","9","5","2","3","1","1") = "8"
    & skf18("5","9","5","2","3","2","1") = "8"
    & skf18("5","9","5","2","3","3","1") = "8"
    & skf18("5","9","5","2","3","4","1") = "8"
    & skf18("5","9","5","2","3","5","1") = "8"
    & skf18("5","9","5","2","3","6","1") = "8"
    & skf18("5","9","5","2","3","7","1") = "8"
    & skf18("5","9","5","2","3","8","1") = "8"
    & skf18("5","9","5","2","3","9","1") = "8"
    & skf18("5","9","5","2","3","10","1") = "9"
    & skf18("5","9","5","2","4","1","1") = "8"
    & skf18("5","9","5","2","4","2","1") = "8"
    & skf18("5","9","5","2","4","3","1") = "8"
    & skf18("5","9","5","2","4","4","1") = "8"
    & skf18("5","9","5","2","4","5","1") = "8"
    & skf18("5","9","5","2","4","6","1") = "8"
    & skf18("5","9","5","2","4","7","1") = "8"
    & skf18("5","9","5","2","4","8","1") = "8"
    & skf18("5","9","5","2","4","9","1") = "8"
    & skf18("5","9","5","2","4","10","1") = "9"
    & skf18("5","9","5","2","5","1","1") = "8"
    & skf18("5","9","5","2","5","2","1") = "8"
    & skf18("5","9","5","2","5","3","1") = "8"
    & skf18("5","9","5","2","5","4","1") = "8"
    & skf18("5","9","5","2","5","5","1") = "8"
    & skf18("5","9","5","2","5","6","1") = "8"
    & skf18("5","9","5","2","5","7","1") = "8"
    & skf18("5","9","5","2","5","8","1") = "8"
    & skf18("5","9","5","2","5","9","1") = "8"
    & skf18("5","9","5","2","5","10","1") = "9"
    & skf18("5","9","5","2","6","1","1") = "8"
    & skf18("5","9","5","2","6","2","1") = "8"
    & skf18("5","9","5","2","6","3","1") = "8"
    & skf18("5","9","5","2","6","4","1") = "8"
    & skf18("5","9","5","2","6","5","1") = "8"
    & skf18("5","9","5","2","6","6","1") = "8"
    & skf18("5","9","5","2","6","7","1") = "8"
    & skf18("5","9","5","2","6","8","1") = "8"
    & skf18("5","9","5","2","6","9","1") = "8"
    & skf18("5","9","5","2","6","10","1") = "9"
    & skf18("5","9","5","2","7","1","1") = "8"
    & skf18("5","9","5","2","7","2","1") = "8"
    & skf18("5","9","5","2","7","3","1") = "8"
    & skf18("5","9","5","2","7","4","1") = "8"
    & skf18("5","9","5","2","7","5","1") = "8"
    & skf18("5","9","5","2","7","6","1") = "8"
    & skf18("5","9","5","2","7","7","1") = "8"
    & skf18("5","9","5","2","7","8","1") = "8"
    & skf18("5","9","5","2","7","9","1") = "8"
    & skf18("5","9","5","2","7","10","1") = "9"
    & skf18("5","9","5","2","8","1","1") = "8"
    & skf18("5","9","5","2","8","2","1") = "8"
    & skf18("5","9","5","2","8","3","1") = "8"
    & skf18("5","9","5","2","8","4","1") = "8"
    & skf18("5","9","5","2","8","5","1") = "8"
    & skf18("5","9","5","2","8","6","1") = "8"
    & skf18("5","9","5","2","8","7","1") = "8"
    & skf18("5","9","5","2","8","8","1") = "8"
    & skf18("5","9","5","2","8","9","1") = "8"
    & skf18("5","9","5","2","8","10","1") = "9"
    & skf18("5","9","5","2","9","1","1") = "8"
    & skf18("5","9","5","2","9","2","1") = "8"
    & skf18("5","9","5","2","9","3","1") = "8"
    & skf18("5","9","5","2","9","4","1") = "8"
    & skf18("5","9","5","2","9","5","1") = "8"
    & skf18("5","9","5","2","9","6","1") = "8"
    & skf18("5","9","5","2","9","7","1") = "8"
    & skf18("5","9","5","2","9","8","1") = "8"
    & skf18("5","9","5","2","9","9","1") = "8"
    & skf18("5","9","5","2","9","10","1") = "9"
    & skf18("5","9","5","2","10","1","1") = "9"
    & skf18("5","9","5","2","10","2","1") = "9"
    & skf18("5","9","5","2","10","3","1") = "9"
    & skf18("5","9","5","2","10","4","1") = "9"
    & skf18("5","9","5","2","10","5","1") = "9"
    & skf18("5","9","5","2","10","6","1") = "9"
    & skf18("5","9","5","2","10","7","1") = "9"
    & skf18("5","9","5","2","10","8","1") = "9"
    & skf18("5","9","5","2","10","9","1") = "9"
    & skf18("5","9","5","2","10","10","1") = "9"
    & skf18("5","9","5","3","1","1","1") = "8"
    & skf18("5","9","5","3","1","2","1") = "8"
    & skf18("5","9","5","3","1","3","1") = "8"
    & skf18("5","9","5","3","1","4","1") = "8"
    & skf18("5","9","5","3","1","5","1") = "8"
    & skf18("5","9","5","3","1","6","1") = "8"
    & skf18("5","9","5","3","1","7","1") = "8"
    & skf18("5","9","5","3","1","8","1") = "8"
    & skf18("5","9","5","3","1","9","1") = "8"
    & skf18("5","9","5","3","1","10","1") = "9"
    & skf18("5","9","5","3","2","1","1") = "8"
    & skf18("5","9","5","3","2","2","1") = "8"
    & skf18("5","9","5","3","2","3","1") = "8"
    & skf18("5","9","5","3","2","4","1") = "8"
    & skf18("5","9","5","3","2","5","1") = "8"
    & skf18("5","9","5","3","2","6","1") = "8"
    & skf18("5","9","5","3","2","7","1") = "8"
    & skf18("5","9","5","3","2","8","1") = "8"
    & skf18("5","9","5","3","2","9","1") = "8"
    & skf18("5","9","5","3","2","10","1") = "9"
    & skf18("5","9","5","3","3","1","1") = "8"
    & skf18("5","9","5","3","3","2","1") = "8"
    & skf18("5","9","5","3","3","3","1") = "8"
    & skf18("5","9","5","3","3","4","1") = "8"
    & skf18("5","9","5","3","3","5","1") = "8"
    & skf18("5","9","5","3","3","6","1") = "8"
    & skf18("5","9","5","3","3","7","1") = "8"
    & skf18("5","9","5","3","3","8","1") = "8"
    & skf18("5","9","5","3","3","9","1") = "8"
    & skf18("5","9","5","3","3","10","1") = "9"
    & skf18("5","9","5","3","4","1","1") = "8"
    & skf18("5","9","5","3","4","2","1") = "8"
    & skf18("5","9","5","3","4","3","1") = "8"
    & skf18("5","9","5","3","4","4","1") = "8"
    & skf18("5","9","5","3","4","5","1") = "8"
    & skf18("5","9","5","3","4","6","1") = "8"
    & skf18("5","9","5","3","4","7","1") = "8"
    & skf18("5","9","5","3","4","8","1") = "8"
    & skf18("5","9","5","3","4","9","1") = "8"
    & skf18("5","9","5","3","4","10","1") = "9"
    & skf18("5","9","5","3","5","1","1") = "8"
    & skf18("5","9","5","3","5","2","1") = "8"
    & skf18("5","9","5","3","5","3","1") = "8"
    & skf18("5","9","5","3","5","4","1") = "8"
    & skf18("5","9","5","3","5","5","1") = "8"
    & skf18("5","9","5","3","5","6","1") = "8"
    & skf18("5","9","5","3","5","7","1") = "8"
    & skf18("5","9","5","3","5","8","1") = "8"
    & skf18("5","9","5","3","5","9","1") = "8"
    & skf18("5","9","5","3","5","10","1") = "9"
    & skf18("5","9","5","3","6","1","1") = "8"
    & skf18("5","9","5","3","6","2","1") = "8"
    & skf18("5","9","5","3","6","3","1") = "8"
    & skf18("5","9","5","3","6","4","1") = "8"
    & skf18("5","9","5","3","6","5","1") = "8"
    & skf18("5","9","5","3","6","6","1") = "8"
    & skf18("5","9","5","3","6","7","1") = "8"
    & skf18("5","9","5","3","6","8","1") = "8"
    & skf18("5","9","5","3","6","9","1") = "8"
    & skf18("5","9","5","3","6","10","1") = "9"
    & skf18("5","9","5","3","7","1","1") = "8"
    & skf18("5","9","5","3","7","2","1") = "8"
    & skf18("5","9","5","3","7","3","1") = "8"
    & skf18("5","9","5","3","7","4","1") = "8"
    & skf18("5","9","5","3","7","5","1") = "8"
    & skf18("5","9","5","3","7","6","1") = "8"
    & skf18("5","9","5","3","7","7","1") = "8"
    & skf18("5","9","5","3","7","8","1") = "8"
    & skf18("5","9","5","3","7","9","1") = "8"
    & skf18("5","9","5","3","7","10","1") = "9"
    & skf18("5","9","5","3","8","1","1") = "8"
    & skf18("5","9","5","3","8","2","1") = "8"
    & skf18("5","9","5","3","8","3","1") = "8"
    & skf18("5","9","5","3","8","4","1") = "8"
    & skf18("5","9","5","3","8","5","1") = "8"
    & skf18("5","9","5","3","8","6","1") = "8"
    & skf18("5","9","5","3","8","7","1") = "8"
    & skf18("5","9","5","3","8","8","1") = "8"
    & skf18("5","9","5","3","8","9","1") = "8"
    & skf18("5","9","5","3","8","10","1") = "9"
    & skf18("5","9","5","3","9","1","1") = "8"
    & skf18("5","9","5","3","9","2","1") = "8"
    & skf18("5","9","5","3","9","3","1") = "8"
    & skf18("5","9","5","3","9","4","1") = "8"
    & skf18("5","9","5","3","9","5","1") = "8"
    & skf18("5","9","5","3","9","6","1") = "8"
    & skf18("5","9","5","3","9","7","1") = "8"
    & skf18("5","9","5","3","9","8","1") = "8"
    & skf18("5","9","5","3","9","9","1") = "8"
    & skf18("5","9","5","3","9","10","1") = "9"
    & skf18("5","9","5","3","10","1","1") = "9"
    & skf18("5","9","5","3","10","2","1") = "9"
    & skf18("5","9","5","3","10","3","1") = "9"
    & skf18("5","9","5","3","10","4","1") = "9"
    & skf18("5","9","5","3","10","5","1") = "9"
    & skf18("5","9","5","3","10","6","1") = "9"
    & skf18("5","9","5","3","10","7","1") = "9"
    & skf18("5","9","5","3","10","8","1") = "9"
    & skf18("5","9","5","3","10","9","1") = "9"
    & skf18("5","9","5","3","10","10","1") = "9"
    & skf18("5","9","5","4","1","1","1") = "8"
    & skf18("5","9","5","4","1","2","1") = "8"
    & skf18("5","9","5","4","1","3","1") = "8"
    & skf18("5","9","5","4","1","4","1") = "8"
    & skf18("5","9","5","4","1","5","1") = "8"
    & skf18("5","9","5","4","1","6","1") = "8"
    & skf18("5","9","5","4","1","7","1") = "8"
    & skf18("5","9","5","4","1","8","1") = "8"
    & skf18("5","9","5","4","1","9","1") = "8"
    & skf18("5","9","5","4","1","10","1") = "9"
    & skf18("5","9","5","4","2","1","1") = "8"
    & skf18("5","9","5","4","2","2","1") = "8"
    & skf18("5","9","5","4","2","3","1") = "8"
    & skf18("5","9","5","4","2","4","1") = "8"
    & skf18("5","9","5","4","2","5","1") = "8"
    & skf18("5","9","5","4","2","6","1") = "8"
    & skf18("5","9","5","4","2","7","1") = "8"
    & skf18("5","9","5","4","2","8","1") = "8"
    & skf18("5","9","5","4","2","9","1") = "8"
    & skf18("5","9","5","4","2","10","1") = "9"
    & skf18("5","9","5","4","3","1","1") = "8"
    & skf18("5","9","5","4","3","2","1") = "8"
    & skf18("5","9","5","4","3","3","1") = "8"
    & skf18("5","9","5","4","3","4","1") = "8"
    & skf18("5","9","5","4","3","5","1") = "8"
    & skf18("5","9","5","4","3","6","1") = "8"
    & skf18("5","9","5","4","3","7","1") = "8"
    & skf18("5","9","5","4","3","8","1") = "8"
    & skf18("5","9","5","4","3","9","1") = "8"
    & skf18("5","9","5","4","3","10","1") = "9"
    & skf18("5","9","5","4","4","1","1") = "8"
    & skf18("5","9","5","4","4","2","1") = "8"
    & skf18("5","9","5","4","4","3","1") = "8"
    & skf18("5","9","5","4","4","4","1") = "8"
    & skf18("5","9","5","4","4","5","1") = "8"
    & skf18("5","9","5","4","4","6","1") = "8"
    & skf18("5","9","5","4","4","7","1") = "8"
    & skf18("5","9","5","4","4","8","1") = "8"
    & skf18("5","9","5","4","4","9","1") = "8"
    & skf18("5","9","5","4","4","10","1") = "9"
    & skf18("5","9","5","4","5","1","1") = "8"
    & skf18("5","9","5","4","5","2","1") = "8"
    & skf18("5","9","5","4","5","3","1") = "8"
    & skf18("5","9","5","4","5","4","1") = "8"
    & skf18("5","9","5","4","5","5","1") = "8"
    & skf18("5","9","5","4","5","6","1") = "8"
    & skf18("5","9","5","4","5","7","1") = "8"
    & skf18("5","9","5","4","5","8","1") = "8"
    & skf18("5","9","5","4","5","9","1") = "8"
    & skf18("5","9","5","4","5","10","1") = "9"
    & skf18("5","9","5","4","6","1","1") = "8"
    & skf18("5","9","5","4","6","2","1") = "8"
    & skf18("5","9","5","4","6","3","1") = "8"
    & skf18("5","9","5","4","6","4","1") = "8"
    & skf18("5","9","5","4","6","5","1") = "8"
    & skf18("5","9","5","4","6","6","1") = "8"
    & skf18("5","9","5","4","6","7","1") = "8"
    & skf18("5","9","5","4","6","8","1") = "8"
    & skf18("5","9","5","4","6","9","1") = "8"
    & skf18("5","9","5","4","6","10","1") = "9"
    & skf18("5","9","5","4","7","1","1") = "8"
    & skf18("5","9","5","4","7","2","1") = "8"
    & skf18("5","9","5","4","7","3","1") = "8"
    & skf18("5","9","5","4","7","4","1") = "8"
    & skf18("5","9","5","4","7","5","1") = "8"
    & skf18("5","9","5","4","7","6","1") = "8"
    & skf18("5","9","5","4","7","7","1") = "8"
    & skf18("5","9","5","4","7","8","1") = "8"
    & skf18("5","9","5","4","7","9","1") = "8"
    & skf18("5","9","5","4","7","10","1") = "9"
    & skf18("5","9","5","4","8","1","1") = "8"
    & skf18("5","9","5","4","8","2","1") = "8"
    & skf18("5","9","5","4","8","3","1") = "8"
    & skf18("5","9","5","4","8","4","1") = "8"
    & skf18("5","9","5","4","8","5","1") = "8"
    & skf18("5","9","5","4","8","6","1") = "8"
    & skf18("5","9","5","4","8","7","1") = "8"
    & skf18("5","9","5","4","8","8","1") = "8"
    & skf18("5","9","5","4","8","9","1") = "8"
    & skf18("5","9","5","4","8","10","1") = "9"
    & skf18("5","9","5","4","9","1","1") = "8"
    & skf18("5","9","5","4","9","2","1") = "8"
    & skf18("5","9","5","4","9","3","1") = "8"
    & skf18("5","9","5","4","9","4","1") = "8"
    & skf18("5","9","5","4","9","5","1") = "8"
    & skf18("5","9","5","4","9","6","1") = "8"
    & skf18("5","9","5","4","9","7","1") = "8"
    & skf18("5","9","5","4","9","8","1") = "8"
    & skf18("5","9","5","4","9","9","1") = "8"
    & skf18("5","9","5","4","9","10","1") = "9"
    & skf18("5","9","5","4","10","1","1") = "9"
    & skf18("5","9","5","4","10","2","1") = "9"
    & skf18("5","9","5","4","10","3","1") = "9"
    & skf18("5","9","5","4","10","4","1") = "9"
    & skf18("5","9","5","4","10","5","1") = "9"
    & skf18("5","9","5","4","10","6","1") = "9"
    & skf18("5","9","5","4","10","7","1") = "9"
    & skf18("5","9","5","4","10","8","1") = "9"
    & skf18("5","9","5","4","10","9","1") = "9"
    & skf18("5","9","5","4","10","10","1") = "9"
    & skf18("5","9","5","5","1","1","1") = "8"
    & skf18("5","9","5","5","1","2","1") = "8"
    & skf18("5","9","5","5","1","3","1") = "8"
    & skf18("5","9","5","5","1","4","1") = "8"
    & skf18("5","9","5","5","1","5","1") = "8"
    & skf18("5","9","5","5","1","6","1") = "8"
    & skf18("5","9","5","5","1","7","1") = "8"
    & skf18("5","9","5","5","1","8","1") = "8"
    & skf18("5","9","5","5","1","9","1") = "8"
    & skf18("5","9","5","5","1","10","1") = "9"
    & skf18("5","9","5","5","2","1","1") = "8"
    & skf18("5","9","5","5","2","2","1") = "8"
    & skf18("5","9","5","5","2","3","1") = "8"
    & skf18("5","9","5","5","2","4","1") = "8"
    & skf18("5","9","5","5","2","5","1") = "8"
    & skf18("5","9","5","5","2","6","1") = "8"
    & skf18("5","9","5","5","2","7","1") = "8"
    & skf18("5","9","5","5","2","8","1") = "8"
    & skf18("5","9","5","5","2","9","1") = "8"
    & skf18("5","9","5","5","2","10","1") = "9"
    & skf18("5","9","5","5","3","1","1") = "8"
    & skf18("5","9","5","5","3","2","1") = "8"
    & skf18("5","9","5","5","3","3","1") = "8"
    & skf18("5","9","5","5","3","4","1") = "8"
    & skf18("5","9","5","5","3","5","1") = "8"
    & skf18("5","9","5","5","3","6","1") = "8"
    & skf18("5","9","5","5","3","7","1") = "8"
    & skf18("5","9","5","5","3","8","1") = "8"
    & skf18("5","9","5","5","3","9","1") = "8"
    & skf18("5","9","5","5","3","10","1") = "9"
    & skf18("5","9","5","5","4","1","1") = "8"
    & skf18("5","9","5","5","4","2","1") = "8"
    & skf18("5","9","5","5","4","3","1") = "8"
    & skf18("5","9","5","5","4","4","1") = "8"
    & skf18("5","9","5","5","4","5","1") = "8"
    & skf18("5","9","5","5","4","6","1") = "8"
    & skf18("5","9","5","5","4","7","1") = "8"
    & skf18("5","9","5","5","4","8","1") = "8"
    & skf18("5","9","5","5","4","9","1") = "8"
    & skf18("5","9","5","5","4","10","1") = "9"
    & skf18("5","9","5","5","5","1","1") = "8"
    & skf18("5","9","5","5","5","2","1") = "8"
    & skf18("5","9","5","5","5","3","1") = "8"
    & skf18("5","9","5","5","5","4","1") = "8"
    & skf18("5","9","5","5","5","5","1") = "8"
    & skf18("5","9","5","5","5","6","1") = "8"
    & skf18("5","9","5","5","5","7","1") = "8"
    & skf18("5","9","5","5","5","8","1") = "8"
    & skf18("5","9","5","5","5","9","1") = "8"
    & skf18("5","9","5","5","5","10","1") = "9"
    & skf18("5","9","5","5","6","1","1") = "8"
    & skf18("5","9","5","5","6","2","1") = "8"
    & skf18("5","9","5","5","6","3","1") = "8"
    & skf18("5","9","5","5","6","4","1") = "8"
    & skf18("5","9","5","5","6","5","1") = "8"
    & skf18("5","9","5","5","6","6","1") = "8"
    & skf18("5","9","5","5","6","7","1") = "8"
    & skf18("5","9","5","5","6","8","1") = "8"
    & skf18("5","9","5","5","6","9","1") = "8"
    & skf18("5","9","5","5","6","10","1") = "9"
    & skf18("5","9","5","5","7","1","1") = "8"
    & skf18("5","9","5","5","7","2","1") = "8"
    & skf18("5","9","5","5","7","3","1") = "8"
    & skf18("5","9","5","5","7","4","1") = "8"
    & skf18("5","9","5","5","7","5","1") = "8"
    & skf18("5","9","5","5","7","6","1") = "8"
    & skf18("5","9","5","5","7","7","1") = "8"
    & skf18("5","9","5","5","7","8","1") = "8"
    & skf18("5","9","5","5","7","9","1") = "8"
    & skf18("5","9","5","5","7","10","1") = "9"
    & skf18("5","9","5","5","8","1","1") = "8"
    & skf18("5","9","5","5","8","2","1") = "8"
    & skf18("5","9","5","5","8","3","1") = "8"
    & skf18("5","9","5","5","8","4","1") = "8"
    & skf18("5","9","5","5","8","5","1") = "8"
    & skf18("5","9","5","5","8","6","1") = "8"
    & skf18("5","9","5","5","8","7","1") = "8"
    & skf18("5","9","5","5","8","8","1") = "8"
    & skf18("5","9","5","5","8","9","1") = "8"
    & skf18("5","9","5","5","8","10","1") = "9"
    & skf18("5","9","5","5","9","1","1") = "8"
    & skf18("5","9","5","5","9","2","1") = "8"
    & skf18("5","9","5","5","9","3","1") = "8"
    & skf18("5","9","5","5","9","4","1") = "8"
    & skf18("5","9","5","5","9","5","1") = "8"
    & skf18("5","9","5","5","9","6","1") = "8"
    & skf18("5","9","5","5","9","7","1") = "8"
    & skf18("5","9","5","5","9","8","1") = "8"
    & skf18("5","9","5","5","9","9","1") = "8"
    & skf18("5","9","5","5","9","10","1") = "9"
    & skf18("5","9","5","5","10","1","1") = "9"
    & skf18("5","9","5","5","10","2","1") = "9"
    & skf18("5","9","5","5","10","3","1") = "9"
    & skf18("5","9","5","5","10","4","1") = "9"
    & skf18("5","9","5","5","10","5","1") = "9"
    & skf18("5","9","5","5","10","6","1") = "9"
    & skf18("5","9","5","5","10","7","1") = "9"
    & skf18("5","9","5","5","10","8","1") = "9"
    & skf18("5","9","5","5","10","9","1") = "9"
    & skf18("5","9","5","5","10","10","1") = "9"
    & skf18("5","9","5","6","1","1","1") = "8"
    & skf18("5","9","5","6","1","2","1") = "8"
    & skf18("5","9","5","6","1","3","1") = "8"
    & skf18("5","9","5","6","1","4","1") = "8"
    & skf18("5","9","5","6","1","5","1") = "8"
    & skf18("5","9","5","6","1","6","1") = "8"
    & skf18("5","9","5","6","1","7","1") = "8"
    & skf18("5","9","5","6","1","8","1") = "8"
    & skf18("5","9","5","6","1","9","1") = "8"
    & skf18("5","9","5","6","1","10","1") = "9"
    & skf18("5","9","5","6","2","1","1") = "8"
    & skf18("5","9","5","6","2","2","1") = "8"
    & skf18("5","9","5","6","2","3","1") = "8"
    & skf18("5","9","5","6","2","4","1") = "8"
    & skf18("5","9","5","6","2","5","1") = "8"
    & skf18("5","9","5","6","2","6","1") = "8"
    & skf18("5","9","5","6","2","7","1") = "8"
    & skf18("5","9","5","6","2","8","1") = "8"
    & skf18("5","9","5","6","2","9","1") = "8"
    & skf18("5","9","5","6","2","10","1") = "9"
    & skf18("5","9","5","6","3","1","1") = "8"
    & skf18("5","9","5","6","3","2","1") = "8"
    & skf18("5","9","5","6","3","3","1") = "8"
    & skf18("5","9","5","6","3","4","1") = "8"
    & skf18("5","9","5","6","3","5","1") = "8"
    & skf18("5","9","5","6","3","6","1") = "8"
    & skf18("5","9","5","6","3","7","1") = "8"
    & skf18("5","9","5","6","3","8","1") = "8"
    & skf18("5","9","5","6","3","9","1") = "8"
    & skf18("5","9","5","6","3","10","1") = "9"
    & skf18("5","9","5","6","4","1","1") = "8"
    & skf18("5","9","5","6","4","2","1") = "8"
    & skf18("5","9","5","6","4","3","1") = "8"
    & skf18("5","9","5","6","4","4","1") = "8"
    & skf18("5","9","5","6","4","5","1") = "8"
    & skf18("5","9","5","6","4","6","1") = "8"
    & skf18("5","9","5","6","4","7","1") = "8"
    & skf18("5","9","5","6","4","8","1") = "8"
    & skf18("5","9","5","6","4","9","1") = "8"
    & skf18("5","9","5","6","4","10","1") = "9"
    & skf18("5","9","5","6","5","1","1") = "8"
    & skf18("5","9","5","6","5","2","1") = "8"
    & skf18("5","9","5","6","5","3","1") = "8"
    & skf18("5","9","5","6","5","4","1") = "8"
    & skf18("5","9","5","6","5","5","1") = "8"
    & skf18("5","9","5","6","5","6","1") = "8"
    & skf18("5","9","5","6","5","7","1") = "8"
    & skf18("5","9","5","6","5","8","1") = "8"
    & skf18("5","9","5","6","5","9","1") = "8"
    & skf18("5","9","5","6","5","10","1") = "9"
    & skf18("5","9","5","6","6","1","1") = "8"
    & skf18("5","9","5","6","6","2","1") = "8"
    & skf18("5","9","5","6","6","3","1") = "8"
    & skf18("5","9","5","6","6","4","1") = "8"
    & skf18("5","9","5","6","6","5","1") = "8"
    & skf18("5","9","5","6","6","6","1") = "8"
    & skf18("5","9","5","6","6","7","1") = "8"
    & skf18("5","9","5","6","6","8","1") = "8"
    & skf18("5","9","5","6","6","9","1") = "8"
    & skf18("5","9","5","6","6","10","1") = "9"
    & skf18("5","9","5","6","7","1","1") = "8"
    & skf18("5","9","5","6","7","2","1") = "8"
    & skf18("5","9","5","6","7","3","1") = "8"
    & skf18("5","9","5","6","7","4","1") = "8"
    & skf18("5","9","5","6","7","5","1") = "8"
    & skf18("5","9","5","6","7","6","1") = "8"
    & skf18("5","9","5","6","7","7","1") = "8"
    & skf18("5","9","5","6","7","8","1") = "8"
    & skf18("5","9","5","6","7","9","1") = "8"
    & skf18("5","9","5","6","7","10","1") = "9"
    & skf18("5","9","5","6","8","1","1") = "8"
    & skf18("5","9","5","6","8","2","1") = "8"
    & skf18("5","9","5","6","8","3","1") = "8"
    & skf18("5","9","5","6","8","4","1") = "8"
    & skf18("5","9","5","6","8","5","1") = "8"
    & skf18("5","9","5","6","8","6","1") = "8"
    & skf18("5","9","5","6","8","7","1") = "8"
    & skf18("5","9","5","6","8","8","1") = "8"
    & skf18("5","9","5","6","8","9","1") = "8"
    & skf18("5","9","5","6","8","10","1") = "9"
    & skf18("5","9","5","6","9","1","1") = "8"
    & skf18("5","9","5","6","9","2","1") = "8"
    & skf18("5","9","5","6","9","3","1") = "8"
    & skf18("5","9","5","6","9","4","1") = "8"
    & skf18("5","9","5","6","9","5","1") = "8"
    & skf18("5","9","5","6","9","6","1") = "8"
    & skf18("5","9","5","6","9","7","1") = "8"
    & skf18("5","9","5","6","9","8","1") = "8"
    & skf18("5","9","5","6","9","9","1") = "8"
    & skf18("5","9","5","6","9","10","1") = "9"
    & skf18("5","9","5","6","10","1","1") = "9"
    & skf18("5","9","5","6","10","2","1") = "9"
    & skf18("5","9","5","6","10","3","1") = "9"
    & skf18("5","9","5","6","10","4","1") = "9"
    & skf18("5","9","5","6","10","5","1") = "9"
    & skf18("5","9","5","6","10","6","1") = "9"
    & skf18("5","9","5","6","10","7","1") = "9"
    & skf18("5","9","5","6","10","8","1") = "9"
    & skf18("5","9","5","6","10","9","1") = "9"
    & skf18("5","9","5","6","10","10","1") = "9"
    & skf18("5","9","5","7","1","1","1") = "8"
    & skf18("5","9","5","7","1","2","1") = "8"
    & skf18("5","9","5","7","1","3","1") = "8"
    & skf18("5","9","5","7","1","4","1") = "8"
    & skf18("5","9","5","7","1","5","1") = "8"
    & skf18("5","9","5","7","1","6","1") = "8"
    & skf18("5","9","5","7","1","7","1") = "8"
    & skf18("5","9","5","7","1","8","1") = "8"
    & skf18("5","9","5","7","1","9","1") = "8"
    & skf18("5","9","5","7","1","10","1") = "9"
    & skf18("5","9","5","7","2","1","1") = "8"
    & skf18("5","9","5","7","2","2","1") = "8"
    & skf18("5","9","5","7","2","3","1") = "8"
    & skf18("5","9","5","7","2","4","1") = "8"
    & skf18("5","9","5","7","2","5","1") = "8"
    & skf18("5","9","5","7","2","6","1") = "8"
    & skf18("5","9","5","7","2","7","1") = "8"
    & skf18("5","9","5","7","2","8","1") = "8"
    & skf18("5","9","5","7","2","9","1") = "8"
    & skf18("5","9","5","7","2","10","1") = "9"
    & skf18("5","9","5","7","3","1","1") = "8"
    & skf18("5","9","5","7","3","2","1") = "8"
    & skf18("5","9","5","7","3","3","1") = "8"
    & skf18("5","9","5","7","3","4","1") = "8"
    & skf18("5","9","5","7","3","5","1") = "8"
    & skf18("5","9","5","7","3","6","1") = "8"
    & skf18("5","9","5","7","3","7","1") = "8"
    & skf18("5","9","5","7","3","8","1") = "8"
    & skf18("5","9","5","7","3","9","1") = "8"
    & skf18("5","9","5","7","3","10","1") = "9"
    & skf18("5","9","5","7","4","1","1") = "8"
    & skf18("5","9","5","7","4","2","1") = "8"
    & skf18("5","9","5","7","4","3","1") = "8"
    & skf18("5","9","5","7","4","4","1") = "8"
    & skf18("5","9","5","7","4","5","1") = "8"
    & skf18("5","9","5","7","4","6","1") = "8"
    & skf18("5","9","5","7","4","7","1") = "8"
    & skf18("5","9","5","7","4","8","1") = "8"
    & skf18("5","9","5","7","4","9","1") = "8"
    & skf18("5","9","5","7","4","10","1") = "9"
    & skf18("5","9","5","7","5","1","1") = "8"
    & skf18("5","9","5","7","5","2","1") = "8"
    & skf18("5","9","5","7","5","3","1") = "8"
    & skf18("5","9","5","7","5","4","1") = "8"
    & skf18("5","9","5","7","5","5","1") = "8"
    & skf18("5","9","5","7","5","6","1") = "8"
    & skf18("5","9","5","7","5","7","1") = "8"
    & skf18("5","9","5","7","5","8","1") = "8"
    & skf18("5","9","5","7","5","9","1") = "8"
    & skf18("5","9","5","7","5","10","1") = "9"
    & skf18("5","9","5","7","6","1","1") = "8"
    & skf18("5","9","5","7","6","2","1") = "8"
    & skf18("5","9","5","7","6","3","1") = "8"
    & skf18("5","9","5","7","6","4","1") = "8"
    & skf18("5","9","5","7","6","5","1") = "8"
    & skf18("5","9","5","7","6","6","1") = "8"
    & skf18("5","9","5","7","6","7","1") = "8"
    & skf18("5","9","5","7","6","8","1") = "8"
    & skf18("5","9","5","7","6","9","1") = "8"
    & skf18("5","9","5","7","6","10","1") = "9"
    & skf18("5","9","5","7","7","1","1") = "8"
    & skf18("5","9","5","7","7","2","1") = "8"
    & skf18("5","9","5","7","7","3","1") = "8"
    & skf18("5","9","5","7","7","4","1") = "8"
    & skf18("5","9","5","7","7","5","1") = "8"
    & skf18("5","9","5","7","7","6","1") = "8"
    & skf18("5","9","5","7","7","7","1") = "8"
    & skf18("5","9","5","7","7","8","1") = "8"
    & skf18("5","9","5","7","7","9","1") = "8"
    & skf18("5","9","5","7","7","10","1") = "9"
    & skf18("5","9","5","7","8","1","1") = "8"
    & skf18("5","9","5","7","8","2","1") = "8"
    & skf18("5","9","5","7","8","3","1") = "8"
    & skf18("5","9","5","7","8","4","1") = "8"
    & skf18("5","9","5","7","8","5","1") = "8"
    & skf18("5","9","5","7","8","6","1") = "8"
    & skf18("5","9","5","7","8","7","1") = "8"
    & skf18("5","9","5","7","8","8","1") = "8"
    & skf18("5","9","5","7","8","9","1") = "8"
    & skf18("5","9","5","7","8","10","1") = "9"
    & skf18("5","9","5","7","9","1","1") = "8"
    & skf18("5","9","5","7","9","2","1") = "8"
    & skf18("5","9","5","7","9","3","1") = "8"
    & skf18("5","9","5","7","9","4","1") = "8"
    & skf18("5","9","5","7","9","5","1") = "8"
    & skf18("5","9","5","7","9","6","1") = "8"
    & skf18("5","9","5","7","9","7","1") = "8"
    & skf18("5","9","5","7","9","8","1") = "8"
    & skf18("5","9","5","7","9","9","1") = "8"
    & skf18("5","9","5","7","9","10","1") = "9"
    & skf18("5","9","5","7","10","1","1") = "9"
    & skf18("5","9","5","7","10","2","1") = "9"
    & skf18("5","9","5","7","10","3","1") = "9"
    & skf18("5","9","5","7","10","4","1") = "9"
    & skf18("5","9","5","7","10","5","1") = "9"
    & skf18("5","9","5","7","10","6","1") = "9"
    & skf18("5","9","5","7","10","7","1") = "9"
    & skf18("5","9","5","7","10","8","1") = "9"
    & skf18("5","9","5","7","10","9","1") = "9"
    & skf18("5","9","5","7","10","10","1") = "9"
    & skf18("5","9","5","8","1","1","1") = "8"
    & skf18("5","9","5","8","1","2","1") = "8"
    & skf18("5","9","5","8","1","3","1") = "8"
    & skf18("5","9","5","8","1","4","1") = "8"
    & skf18("5","9","5","8","1","5","1") = "8"
    & skf18("5","9","5","8","1","6","1") = "8"
    & skf18("5","9","5","8","1","7","1") = "8"
    & skf18("5","9","5","8","1","8","1") = "8"
    & skf18("5","9","5","8","1","9","1") = "8"
    & skf18("5","9","5","8","1","10","1") = "9"
    & skf18("5","9","5","8","2","1","1") = "8"
    & skf18("5","9","5","8","2","2","1") = "8"
    & skf18("5","9","5","8","2","3","1") = "8"
    & skf18("5","9","5","8","2","4","1") = "8"
    & skf18("5","9","5","8","2","5","1") = "8"
    & skf18("5","9","5","8","2","6","1") = "8"
    & skf18("5","9","5","8","2","7","1") = "8"
    & skf18("5","9","5","8","2","8","1") = "8"
    & skf18("5","9","5","8","2","9","1") = "8"
    & skf18("5","9","5","8","2","10","1") = "9"
    & skf18("5","9","5","8","3","1","1") = "8"
    & skf18("5","9","5","8","3","2","1") = "8"
    & skf18("5","9","5","8","3","3","1") = "8"
    & skf18("5","9","5","8","3","4","1") = "8"
    & skf18("5","9","5","8","3","5","1") = "8"
    & skf18("5","9","5","8","3","6","1") = "8"
    & skf18("5","9","5","8","3","7","1") = "8"
    & skf18("5","9","5","8","3","8","1") = "8"
    & skf18("5","9","5","8","3","9","1") = "8"
    & skf18("5","9","5","8","3","10","1") = "9"
    & skf18("5","9","5","8","4","1","1") = "8"
    & skf18("5","9","5","8","4","2","1") = "8"
    & skf18("5","9","5","8","4","3","1") = "8"
    & skf18("5","9","5","8","4","4","1") = "8"
    & skf18("5","9","5","8","4","5","1") = "8"
    & skf18("5","9","5","8","4","6","1") = "8"
    & skf18("5","9","5","8","4","7","1") = "8"
    & skf18("5","9","5","8","4","8","1") = "8"
    & skf18("5","9","5","8","4","9","1") = "8"
    & skf18("5","9","5","8","4","10","1") = "9"
    & skf18("5","9","5","8","5","1","1") = "8"
    & skf18("5","9","5","8","5","2","1") = "8"
    & skf18("5","9","5","8","5","3","1") = "8"
    & skf18("5","9","5","8","5","4","1") = "8"
    & skf18("5","9","5","8","5","5","1") = "8"
    & skf18("5","9","5","8","5","6","1") = "8"
    & skf18("5","9","5","8","5","7","1") = "8"
    & skf18("5","9","5","8","5","8","1") = "8"
    & skf18("5","9","5","8","5","9","1") = "8"
    & skf18("5","9","5","8","5","10","1") = "9"
    & skf18("5","9","5","8","6","1","1") = "8"
    & skf18("5","9","5","8","6","2","1") = "8"
    & skf18("5","9","5","8","6","3","1") = "8"
    & skf18("5","9","5","8","6","4","1") = "8"
    & skf18("5","9","5","8","6","5","1") = "8"
    & skf18("5","9","5","8","6","6","1") = "8"
    & skf18("5","9","5","8","6","7","1") = "8"
    & skf18("5","9","5","8","6","8","1") = "8"
    & skf18("5","9","5","8","6","9","1") = "8"
    & skf18("5","9","5","8","6","10","1") = "9"
    & skf18("5","9","5","8","7","1","1") = "8"
    & skf18("5","9","5","8","7","2","1") = "8"
    & skf18("5","9","5","8","7","3","1") = "8"
    & skf18("5","9","5","8","7","4","1") = "8"
    & skf18("5","9","5","8","7","5","1") = "8"
    & skf18("5","9","5","8","7","6","1") = "8"
    & skf18("5","9","5","8","7","7","1") = "8"
    & skf18("5","9","5","8","7","8","1") = "8"
    & skf18("5","9","5","8","7","9","1") = "8"
    & skf18("5","9","5","8","7","10","1") = "9"
    & skf18("5","9","5","8","8","1","1") = "8"
    & skf18("5","9","5","8","8","2","1") = "8"
    & skf18("5","9","5","8","8","3","1") = "8"
    & skf18("5","9","5","8","8","4","1") = "8"
    & skf18("5","9","5","8","8","5","1") = "8"
    & skf18("5","9","5","8","8","6","1") = "8"
    & skf18("5","9","5","8","8","7","1") = "8"
    & skf18("5","9","5","8","8","8","1") = "8"
    & skf18("5","9","5","8","8","9","1") = "8"
    & skf18("5","9","5","8","8","10","1") = "9"
    & skf18("5","9","5","8","9","1","1") = "8"
    & skf18("5","9","5","8","9","2","1") = "8"
    & skf18("5","9","5","8","9","3","1") = "8"
    & skf18("5","9","5","8","9","4","1") = "8"
    & skf18("5","9","5","8","9","5","1") = "8"
    & skf18("5","9","5","8","9","6","1") = "8"
    & skf18("5","9","5","8","9","7","1") = "8"
    & skf18("5","9","5","8","9","8","1") = "8"
    & skf18("5","9","5","8","9","9","1") = "8"
    & skf18("5","9","5","8","9","10","1") = "9"
    & skf18("5","9","5","8","10","1","1") = "9"
    & skf18("5","9","5","8","10","2","1") = "9"
    & skf18("5","9","5","8","10","3","1") = "9"
    & skf18("5","9","5","8","10","4","1") = "9"
    & skf18("5","9","5","8","10","5","1") = "9"
    & skf18("5","9","5","8","10","6","1") = "9"
    & skf18("5","9","5","8","10","7","1") = "9"
    & skf18("5","9","5","8","10","8","1") = "9"
    & skf18("5","9","5","8","10","9","1") = "9"
    & skf18("5","9","5","8","10","10","1") = "9"
    & skf18("5","9","5","9","1","1","1") = "8"
    & skf18("5","9","5","9","1","2","1") = "8"
    & skf18("5","9","5","9","1","3","1") = "8"
    & skf18("5","9","5","9","1","4","1") = "8"
    & skf18("5","9","5","9","1","5","1") = "8"
    & skf18("5","9","5","9","1","6","1") = "8"
    & skf18("5","9","5","9","1","7","1") = "8"
    & skf18("5","9","5","9","1","8","1") = "8"
    & skf18("5","9","5","9","1","9","1") = "8"
    & skf18("5","9","5","9","1","10","1") = "9"
    & skf18("5","9","5","9","2","1","1") = "8"
    & skf18("5","9","5","9","2","2","1") = "8"
    & skf18("5","9","5","9","2","3","1") = "8"
    & skf18("5","9","5","9","2","4","1") = "8"
    & skf18("5","9","5","9","2","5","1") = "8"
    & skf18("5","9","5","9","2","6","1") = "8"
    & skf18("5","9","5","9","2","7","1") = "8"
    & skf18("5","9","5","9","2","8","1") = "8"
    & skf18("5","9","5","9","2","9","1") = "8"
    & skf18("5","9","5","9","2","10","1") = "9"
    & skf18("5","9","5","9","3","1","1") = "8"
    & skf18("5","9","5","9","3","2","1") = "8"
    & skf18("5","9","5","9","3","3","1") = "8"
    & skf18("5","9","5","9","3","4","1") = "8"
    & skf18("5","9","5","9","3","5","1") = "8"
    & skf18("5","9","5","9","3","6","1") = "8"
    & skf18("5","9","5","9","3","7","1") = "8"
    & skf18("5","9","5","9","3","8","1") = "8"
    & skf18("5","9","5","9","3","9","1") = "8"
    & skf18("5","9","5","9","3","10","1") = "9"
    & skf18("5","9","5","9","4","1","1") = "8"
    & skf18("5","9","5","9","4","2","1") = "8"
    & skf18("5","9","5","9","4","3","1") = "8"
    & skf18("5","9","5","9","4","4","1") = "8"
    & skf18("5","9","5","9","4","5","1") = "8"
    & skf18("5","9","5","9","4","6","1") = "8"
    & skf18("5","9","5","9","4","7","1") = "8"
    & skf18("5","9","5","9","4","8","1") = "8"
    & skf18("5","9","5","9","4","9","1") = "8"
    & skf18("5","9","5","9","4","10","1") = "9"
    & skf18("5","9","5","9","5","1","1") = "8"
    & skf18("5","9","5","9","5","2","1") = "8"
    & skf18("5","9","5","9","5","3","1") = "8"
    & skf18("5","9","5","9","5","4","1") = "8"
    & skf18("5","9","5","9","5","5","1") = "8"
    & skf18("5","9","5","9","5","6","1") = "8"
    & skf18("5","9","5","9","5","7","1") = "8"
    & skf18("5","9","5","9","5","8","1") = "8"
    & skf18("5","9","5","9","5","9","1") = "8"
    & skf18("5","9","5","9","5","10","1") = "9"
    & skf18("5","9","5","9","6","1","1") = "8"
    & skf18("5","9","5","9","6","2","1") = "8"
    & skf18("5","9","5","9","6","3","1") = "8"
    & skf18("5","9","5","9","6","4","1") = "8"
    & skf18("5","9","5","9","6","5","1") = "8"
    & skf18("5","9","5","9","6","6","1") = "8"
    & skf18("5","9","5","9","6","7","1") = "8"
    & skf18("5","9","5","9","6","8","1") = "8"
    & skf18("5","9","5","9","6","9","1") = "8"
    & skf18("5","9","5","9","6","10","1") = "9"
    & skf18("5","9","5","9","7","1","1") = "8"
    & skf18("5","9","5","9","7","2","1") = "8"
    & skf18("5","9","5","9","7","3","1") = "8"
    & skf18("5","9","5","9","7","4","1") = "8"
    & skf18("5","9","5","9","7","5","1") = "8"
    & skf18("5","9","5","9","7","6","1") = "8"
    & skf18("5","9","5","9","7","7","1") = "8"
    & skf18("5","9","5","9","7","8","1") = "8"
    & skf18("5","9","5","9","7","9","1") = "8"
    & skf18("5","9","5","9","7","10","1") = "9"
    & skf18("5","9","5","9","8","1","1") = "8"
    & skf18("5","9","5","9","8","2","1") = "8"
    & skf18("5","9","5","9","8","3","1") = "8"
    & skf18("5","9","5","9","8","4","1") = "8"
    & skf18("5","9","5","9","8","5","1") = "8"
    & skf18("5","9","5","9","8","6","1") = "8"
    & skf18("5","9","5","9","8","7","1") = "8"
    & skf18("5","9","5","9","8","8","1") = "8"
    & skf18("5","9","5","9","8","9","1") = "8"
    & skf18("5","9","5","9","8","10","1") = "9"
    & skf18("5","9","5","9","9","1","1") = "8"
    & skf18("5","9","5","9","9","2","1") = "8"
    & skf18("5","9","5","9","9","3","1") = "8"
    & skf18("5","9","5","9","9","4","1") = "8"
    & skf18("5","9","5","9","9","5","1") = "8"
    & skf18("5","9","5","9","9","6","1") = "8"
    & skf18("5","9","5","9","9","7","1") = "8"
    & skf18("5","9","5","9","9","8","1") = "8"
    & skf18("5","9","5","9","9","9","1") = "8"
    & skf18("5","9","5","9","9","10","1") = "9"
    & skf18("5","9","5","9","10","1","1") = "9"
    & skf18("5","9","5","9","10","2","1") = "9"
    & skf18("5","9","5","9","10","3","1") = "9"
    & skf18("5","9","5","9","10","4","1") = "9"
    & skf18("5","9","5","9","10","5","1") = "9"
    & skf18("5","9","5","9","10","6","1") = "9"
    & skf18("5","9","5","9","10","7","1") = "9"
    & skf18("5","9","5","9","10","8","1") = "9"
    & skf18("5","9","5","9","10","9","1") = "9"
    & skf18("5","9","5","9","10","10","1") = "9"
    & skf18("5","9","5","10","1","1","1") = "9"
    & skf18("5","9","5","10","1","2","1") = "9"
    & skf18("5","9","5","10","1","3","1") = "9"
    & skf18("5","9","5","10","1","4","1") = "9"
    & skf18("5","9","5","10","1","5","1") = "9"
    & skf18("5","9","5","10","1","6","1") = "9"
    & skf18("5","9","5","10","1","7","1") = "9"
    & skf18("5","9","5","10","1","8","1") = "9"
    & skf18("5","9","5","10","1","9","1") = "9"
    & skf18("5","9","5","10","1","10","1") = "9"
    & skf18("5","9","5","10","2","1","1") = "9"
    & skf18("5","9","5","10","2","2","1") = "9"
    & skf18("5","9","5","10","2","3","1") = "9"
    & skf18("5","9","5","10","2","4","1") = "9"
    & skf18("5","9","5","10","2","5","1") = "9"
    & skf18("5","9","5","10","2","6","1") = "9"
    & skf18("5","9","5","10","2","7","1") = "9"
    & skf18("5","9","5","10","2","8","1") = "9"
    & skf18("5","9","5","10","2","9","1") = "9"
    & skf18("5","9","5","10","2","10","1") = "9"
    & skf18("5","9","5","10","3","1","1") = "9"
    & skf18("5","9","5","10","3","2","1") = "9"
    & skf18("5","9","5","10","3","3","1") = "9"
    & skf18("5","9","5","10","3","4","1") = "9"
    & skf18("5","9","5","10","3","5","1") = "9"
    & skf18("5","9","5","10","3","6","1") = "9"
    & skf18("5","9","5","10","3","7","1") = "9"
    & skf18("5","9","5","10","3","8","1") = "9"
    & skf18("5","9","5","10","3","9","1") = "9"
    & skf18("5","9","5","10","3","10","1") = "9"
    & skf18("5","9","5","10","4","1","1") = "9"
    & skf18("5","9","5","10","4","2","1") = "9"
    & skf18("5","9","5","10","4","3","1") = "9"
    & skf18("5","9","5","10","4","4","1") = "9"
    & skf18("5","9","5","10","4","5","1") = "9"
    & skf18("5","9","5","10","4","6","1") = "9"
    & skf18("5","9","5","10","4","7","1") = "9"
    & skf18("5","9","5","10","4","8","1") = "9"
    & skf18("5","9","5","10","4","9","1") = "9"
    & skf18("5","9","5","10","4","10","1") = "9"
    & skf18("5","9","5","10","5","1","1") = "9"
    & skf18("5","9","5","10","5","2","1") = "9"
    & skf18("5","9","5","10","5","3","1") = "9"
    & skf18("5","9","5","10","5","4","1") = "9"
    & skf18("5","9","5","10","5","5","1") = "9"
    & skf18("5","9","5","10","5","6","1") = "9"
    & skf18("5","9","5","10","5","7","1") = "9"
    & skf18("5","9","5","10","5","8","1") = "9"
    & skf18("5","9","5","10","5","9","1") = "9"
    & skf18("5","9","5","10","5","10","1") = "9"
    & skf18("5","9","5","10","6","1","1") = "9"
    & skf18("5","9","5","10","6","2","1") = "9"
    & skf18("5","9","5","10","6","3","1") = "9"
    & skf18("5","9","5","10","6","4","1") = "9"
    & skf18("5","9","5","10","6","5","1") = "9"
    & skf18("5","9","5","10","6","6","1") = "9"
    & skf18("5","9","5","10","6","7","1") = "9"
    & skf18("5","9","5","10","6","8","1") = "9"
    & skf18("5","9","5","10","6","9","1") = "9"
    & skf18("5","9","5","10","6","10","1") = "9"
    & skf18("5","9","5","10","7","1","1") = "9"
    & skf18("5","9","5","10","7","2","1") = "9"
    & skf18("5","9","5","10","7","3","1") = "9"
    & skf18("5","9","5","10","7","4","1") = "9"
    & skf18("5","9","5","10","7","5","1") = "9"
    & skf18("5","9","5","10","7","6","1") = "9"
    & skf18("5","9","5","10","7","7","1") = "9"
    & skf18("5","9","5","10","7","8","1") = "9"
    & skf18("5","9","5","10","7","9","1") = "9"
    & skf18("5","9","5","10","7","10","1") = "9"
    & skf18("5","9","5","10","8","1","1") = "9"
    & skf18("5","9","5","10","8","2","1") = "9"
    & skf18("5","9","5","10","8","3","1") = "9"
    & skf18("5","9","5","10","8","4","1") = "9"
    & skf18("5","9","5","10","8","5","1") = "9"
    & skf18("5","9","5","10","8","6","1") = "9"
    & skf18("5","9","5","10","8","7","1") = "9"
    & skf18("5","9","5","10","8","8","1") = "9"
    & skf18("5","9","5","10","8","9","1") = "9"
    & skf18("5","9","5","10","8","10","1") = "9"
    & skf18("5","9","5","10","9","1","1") = "9"
    & skf18("5","9","5","10","9","2","1") = "9"
    & skf18("5","9","5","10","9","3","1") = "9"
    & skf18("5","9","5","10","9","4","1") = "9"
    & skf18("5","9","5","10","9","5","1") = "9"
    & skf18("5","9","5","10","9","6","1") = "9"
    & skf18("5","9","5","10","9","7","1") = "9"
    & skf18("5","9","5","10","9","8","1") = "9"
    & skf18("5","9","5","10","9","9","1") = "9"
    & skf18("5","9","5","10","9","10","1") = "9"
    & skf18("5","9","5","10","10","1","1") = "9"
    & skf18("5","9","5","10","10","2","1") = "9"
    & skf18("5","9","5","10","10","3","1") = "9"
    & skf18("5","9","5","10","10","4","1") = "9"
    & skf18("5","9","5","10","10","5","1") = "9"
    & skf18("5","9","5","10","10","6","1") = "9"
    & skf18("5","9","5","10","10","7","1") = "9"
    & skf18("5","9","5","10","10","8","1") = "9"
    & skf18("5","9","5","10","10","9","1") = "9"
    & skf18("5","9","5","10","10","10","1") = "9"
    & skf18("5","9","6","1","1","1","1") = "8"
    & skf18("5","9","6","1","1","2","1") = "8"
    & skf18("5","9","6","1","1","3","1") = "8"
    & skf18("5","9","6","1","1","4","1") = "8"
    & skf18("5","9","6","1","1","5","1") = "8"
    & skf18("5","9","6","1","1","6","1") = "8"
    & skf18("5","9","6","1","1","7","1") = "8"
    & skf18("5","9","6","1","1","8","1") = "8"
    & skf18("5","9","6","1","1","9","1") = "8"
    & skf18("5","9","6","1","1","10","1") = "9"
    & skf18("5","9","6","1","2","1","1") = "8"
    & skf18("5","9","6","1","2","2","1") = "8"
    & skf18("5","9","6","1","2","3","1") = "8"
    & skf18("5","9","6","1","2","4","1") = "8"
    & skf18("5","9","6","1","2","5","1") = "8"
    & skf18("5","9","6","1","2","6","1") = "8"
    & skf18("5","9","6","1","2","7","1") = "8"
    & skf18("5","9","6","1","2","8","1") = "8"
    & skf18("5","9","6","1","2","9","1") = "8"
    & skf18("5","9","6","1","2","10","1") = "9"
    & skf18("5","9","6","1","3","1","1") = "8"
    & skf18("5","9","6","1","3","2","1") = "8"
    & skf18("5","9","6","1","3","3","1") = "8"
    & skf18("5","9","6","1","3","4","1") = "8"
    & skf18("5","9","6","1","3","5","1") = "8"
    & skf18("5","9","6","1","3","6","1") = "8"
    & skf18("5","9","6","1","3","7","1") = "8"
    & skf18("5","9","6","1","3","8","1") = "8"
    & skf18("5","9","6","1","3","9","1") = "8"
    & skf18("5","9","6","1","3","10","1") = "9"
    & skf18("5","9","6","1","4","1","1") = "8"
    & skf18("5","9","6","1","4","2","1") = "8"
    & skf18("5","9","6","1","4","3","1") = "8"
    & skf18("5","9","6","1","4","4","1") = "8"
    & skf18("5","9","6","1","4","5","1") = "8"
    & skf18("5","9","6","1","4","6","1") = "8"
    & skf18("5","9","6","1","4","7","1") = "8"
    & skf18("5","9","6","1","4","8","1") = "8"
    & skf18("5","9","6","1","4","9","1") = "8"
    & skf18("5","9","6","1","4","10","1") = "9"
    & skf18("5","9","6","1","5","1","1") = "8"
    & skf18("5","9","6","1","5","2","1") = "8"
    & skf18("5","9","6","1","5","3","1") = "8"
    & skf18("5","9","6","1","5","4","1") = "8"
    & skf18("5","9","6","1","5","5","1") = "8"
    & skf18("5","9","6","1","5","6","1") = "8"
    & skf18("5","9","6","1","5","7","1") = "8"
    & skf18("5","9","6","1","5","8","1") = "8"
    & skf18("5","9","6","1","5","9","1") = "8"
    & skf18("5","9","6","1","5","10","1") = "9"
    & skf18("5","9","6","1","6","1","1") = "8"
    & skf18("5","9","6","1","6","2","1") = "8"
    & skf18("5","9","6","1","6","3","1") = "8"
    & skf18("5","9","6","1","6","4","1") = "8"
    & skf18("5","9","6","1","6","5","1") = "8"
    & skf18("5","9","6","1","6","6","1") = "8"
    & skf18("5","9","6","1","6","7","1") = "8"
    & skf18("5","9","6","1","6","8","1") = "8"
    & skf18("5","9","6","1","6","9","1") = "8"
    & skf18("5","9","6","1","6","10","1") = "9"
    & skf18("5","9","6","1","7","1","1") = "8"
    & skf18("5","9","6","1","7","2","1") = "8"
    & skf18("5","9","6","1","7","3","1") = "8"
    & skf18("5","9","6","1","7","4","1") = "8"
    & skf18("5","9","6","1","7","5","1") = "8"
    & skf18("5","9","6","1","7","6","1") = "8"
    & skf18("5","9","6","1","7","7","1") = "8"
    & skf18("5","9","6","1","7","8","1") = "8"
    & skf18("5","9","6","1","7","9","1") = "8"
    & skf18("5","9","6","1","7","10","1") = "9"
    & skf18("5","9","6","1","8","1","1") = "8"
    & skf18("5","9","6","1","8","2","1") = "8"
    & skf18("5","9","6","1","8","3","1") = "8"
    & skf18("5","9","6","1","8","4","1") = "8"
    & skf18("5","9","6","1","8","5","1") = "8"
    & skf18("5","9","6","1","8","6","1") = "8"
    & skf18("5","9","6","1","8","7","1") = "8"
    & skf18("5","9","6","1","8","8","1") = "8"
    & skf18("5","9","6","1","8","9","1") = "8"
    & skf18("5","9","6","1","8","10","1") = "9"
    & skf18("5","9","6","1","9","1","1") = "8"
    & skf18("5","9","6","1","9","2","1") = "8"
    & skf18("5","9","6","1","9","3","1") = "8"
    & skf18("5","9","6","1","9","4","1") = "8"
    & skf18("5","9","6","1","9","5","1") = "8"
    & skf18("5","9","6","1","9","6","1") = "8"
    & skf18("5","9","6","1","9","7","1") = "8"
    & skf18("5","9","6","1","9","8","1") = "8"
    & skf18("5","9","6","1","9","9","1") = "8"
    & skf18("5","9","6","1","9","10","1") = "9"
    & skf18("5","9","6","1","10","1","1") = "9"
    & skf18("5","9","6","1","10","2","1") = "9"
    & skf18("5","9","6","1","10","3","1") = "9"
    & skf18("5","9","6","1","10","4","1") = "9"
    & skf18("5","9","6","1","10","5","1") = "9"
    & skf18("5","9","6","1","10","6","1") = "9"
    & skf18("5","9","6","1","10","7","1") = "9"
    & skf18("5","9","6","1","10","8","1") = "9"
    & skf18("5","9","6","1","10","9","1") = "9"
    & skf18("5","9","6","1","10","10","1") = "9"
    & skf18("5","9","6","2","1","1","1") = "8"
    & skf18("5","9","6","2","1","2","1") = "8"
    & skf18("5","9","6","2","1","3","1") = "8"
    & skf18("5","9","6","2","1","4","1") = "8"
    & skf18("5","9","6","2","1","5","1") = "8"
    & skf18("5","9","6","2","1","6","1") = "8"
    & skf18("5","9","6","2","1","7","1") = "8"
    & skf18("5","9","6","2","1","8","1") = "8"
    & skf18("5","9","6","2","1","9","1") = "8"
    & skf18("5","9","6","2","1","10","1") = "9"
    & skf18("5","9","6","2","2","1","1") = "8"
    & skf18("5","9","6","2","2","2","1") = "8"
    & skf18("5","9","6","2","2","3","1") = "8"
    & skf18("5","9","6","2","2","4","1") = "8"
    & skf18("5","9","6","2","2","5","1") = "8"
    & skf18("5","9","6","2","2","6","1") = "8"
    & skf18("5","9","6","2","2","7","1") = "8"
    & skf18("5","9","6","2","2","8","1") = "8"
    & skf18("5","9","6","2","2","9","1") = "8"
    & skf18("5","9","6","2","2","10","1") = "9"
    & skf18("5","9","6","2","3","1","1") = "8"
    & skf18("5","9","6","2","3","2","1") = "8"
    & skf18("5","9","6","2","3","3","1") = "8"
    & skf18("5","9","6","2","3","4","1") = "8"
    & skf18("5","9","6","2","3","5","1") = "8"
    & skf18("5","9","6","2","3","6","1") = "8"
    & skf18("5","9","6","2","3","7","1") = "8"
    & skf18("5","9","6","2","3","8","1") = "8"
    & skf18("5","9","6","2","3","9","1") = "8"
    & skf18("5","9","6","2","3","10","1") = "9"
    & skf18("5","9","6","2","4","1","1") = "8"
    & skf18("5","9","6","2","4","2","1") = "8"
    & skf18("5","9","6","2","4","3","1") = "8"
    & skf18("5","9","6","2","4","4","1") = "8"
    & skf18("5","9","6","2","4","5","1") = "8"
    & skf18("5","9","6","2","4","6","1") = "8"
    & skf18("5","9","6","2","4","7","1") = "8"
    & skf18("5","9","6","2","4","8","1") = "8"
    & skf18("5","9","6","2","4","9","1") = "8"
    & skf18("5","9","6","2","4","10","1") = "9"
    & skf18("5","9","6","2","5","1","1") = "8"
    & skf18("5","9","6","2","5","2","1") = "8"
    & skf18("5","9","6","2","5","3","1") = "8"
    & skf18("5","9","6","2","5","4","1") = "8"
    & skf18("5","9","6","2","5","5","1") = "8"
    & skf18("5","9","6","2","5","6","1") = "8"
    & skf18("5","9","6","2","5","7","1") = "8"
    & skf18("5","9","6","2","5","8","1") = "8"
    & skf18("5","9","6","2","5","9","1") = "8"
    & skf18("5","9","6","2","5","10","1") = "9"
    & skf18("5","9","6","2","6","1","1") = "8"
    & skf18("5","9","6","2","6","2","1") = "8"
    & skf18("5","9","6","2","6","3","1") = "8"
    & skf18("5","9","6","2","6","4","1") = "8"
    & skf18("5","9","6","2","6","5","1") = "8"
    & skf18("5","9","6","2","6","6","1") = "8"
    & skf18("5","9","6","2","6","7","1") = "8"
    & skf18("5","9","6","2","6","8","1") = "8"
    & skf18("5","9","6","2","6","9","1") = "8"
    & skf18("5","9","6","2","6","10","1") = "9"
    & skf18("5","9","6","2","7","1","1") = "8"
    & skf18("5","9","6","2","7","2","1") = "8"
    & skf18("5","9","6","2","7","3","1") = "8"
    & skf18("5","9","6","2","7","4","1") = "8"
    & skf18("5","9","6","2","7","5","1") = "8"
    & skf18("5","9","6","2","7","6","1") = "8"
    & skf18("5","9","6","2","7","7","1") = "8"
    & skf18("5","9","6","2","7","8","1") = "8"
    & skf18("5","9","6","2","7","9","1") = "8"
    & skf18("5","9","6","2","7","10","1") = "9"
    & skf18("5","9","6","2","8","1","1") = "8"
    & skf18("5","9","6","2","8","2","1") = "8"
    & skf18("5","9","6","2","8","3","1") = "8"
    & skf18("5","9","6","2","8","4","1") = "8"
    & skf18("5","9","6","2","8","5","1") = "8"
    & skf18("5","9","6","2","8","6","1") = "8"
    & skf18("5","9","6","2","8","7","1") = "8"
    & skf18("5","9","6","2","8","8","1") = "8"
    & skf18("5","9","6","2","8","9","1") = "8"
    & skf18("5","9","6","2","8","10","1") = "9"
    & skf18("5","9","6","2","9","1","1") = "8"
    & skf18("5","9","6","2","9","2","1") = "8"
    & skf18("5","9","6","2","9","3","1") = "8"
    & skf18("5","9","6","2","9","4","1") = "8"
    & skf18("5","9","6","2","9","5","1") = "8"
    & skf18("5","9","6","2","9","6","1") = "8"
    & skf18("5","9","6","2","9","7","1") = "8"
    & skf18("5","9","6","2","9","8","1") = "8"
    & skf18("5","9","6","2","9","9","1") = "8"
    & skf18("5","9","6","2","9","10","1") = "9"
    & skf18("5","9","6","2","10","1","1") = "9"
    & skf18("5","9","6","2","10","2","1") = "9"
    & skf18("5","9","6","2","10","3","1") = "9"
    & skf18("5","9","6","2","10","4","1") = "9"
    & skf18("5","9","6","2","10","5","1") = "9"
    & skf18("5","9","6","2","10","6","1") = "9"
    & skf18("5","9","6","2","10","7","1") = "9"
    & skf18("5","9","6","2","10","8","1") = "9"
    & skf18("5","9","6","2","10","9","1") = "9"
    & skf18("5","9","6","2","10","10","1") = "9"
    & skf18("5","9","6","3","1","1","1") = "8"
    & skf18("5","9","6","3","1","2","1") = "8"
    & skf18("5","9","6","3","1","3","1") = "8"
    & skf18("5","9","6","3","1","4","1") = "8"
    & skf18("5","9","6","3","1","5","1") = "8"
    & skf18("5","9","6","3","1","6","1") = "8"
    & skf18("5","9","6","3","1","7","1") = "8"
    & skf18("5","9","6","3","1","8","1") = "8"
    & skf18("5","9","6","3","1","9","1") = "8"
    & skf18("5","9","6","3","1","10","1") = "9"
    & skf18("5","9","6","3","2","1","1") = "8"
    & skf18("5","9","6","3","2","2","1") = "8"
    & skf18("5","9","6","3","2","3","1") = "8"
    & skf18("5","9","6","3","2","4","1") = "8"
    & skf18("5","9","6","3","2","5","1") = "8"
    & skf18("5","9","6","3","2","6","1") = "8"
    & skf18("5","9","6","3","2","7","1") = "8"
    & skf18("5","9","6","3","2","8","1") = "8"
    & skf18("5","9","6","3","2","9","1") = "8"
    & skf18("5","9","6","3","2","10","1") = "9"
    & skf18("5","9","6","3","3","1","1") = "8"
    & skf18("5","9","6","3","3","2","1") = "8"
    & skf18("5","9","6","3","3","3","1") = "8"
    & skf18("5","9","6","3","3","4","1") = "8"
    & skf18("5","9","6","3","3","5","1") = "8"
    & skf18("5","9","6","3","3","6","1") = "8"
    & skf18("5","9","6","3","3","7","1") = "8"
    & skf18("5","9","6","3","3","8","1") = "8"
    & skf18("5","9","6","3","3","9","1") = "8"
    & skf18("5","9","6","3","3","10","1") = "9"
    & skf18("5","9","6","3","4","1","1") = "8"
    & skf18("5","9","6","3","4","2","1") = "8"
    & skf18("5","9","6","3","4","3","1") = "8"
    & skf18("5","9","6","3","4","4","1") = "8"
    & skf18("5","9","6","3","4","5","1") = "8"
    & skf18("5","9","6","3","4","6","1") = "8"
    & skf18("5","9","6","3","4","7","1") = "8"
    & skf18("5","9","6","3","4","8","1") = "8"
    & skf18("5","9","6","3","4","9","1") = "8"
    & skf18("5","9","6","3","4","10","1") = "9"
    & skf18("5","9","6","3","5","1","1") = "8"
    & skf18("5","9","6","3","5","2","1") = "8"
    & skf18("5","9","6","3","5","3","1") = "8"
    & skf18("5","9","6","3","5","4","1") = "8"
    & skf18("5","9","6","3","5","5","1") = "8"
    & skf18("5","9","6","3","5","6","1") = "8"
    & skf18("5","9","6","3","5","7","1") = "8"
    & skf18("5","9","6","3","5","8","1") = "8"
    & skf18("5","9","6","3","5","9","1") = "8"
    & skf18("5","9","6","3","5","10","1") = "9"
    & skf18("5","9","6","3","6","1","1") = "8"
    & skf18("5","9","6","3","6","2","1") = "8"
    & skf18("5","9","6","3","6","3","1") = "8"
    & skf18("5","9","6","3","6","4","1") = "8"
    & skf18("5","9","6","3","6","5","1") = "8"
    & skf18("5","9","6","3","6","6","1") = "8"
    & skf18("5","9","6","3","6","7","1") = "8"
    & skf18("5","9","6","3","6","8","1") = "8"
    & skf18("5","9","6","3","6","9","1") = "8"
    & skf18("5","9","6","3","6","10","1") = "9"
    & skf18("5","9","6","3","7","1","1") = "8"
    & skf18("5","9","6","3","7","2","1") = "8"
    & skf18("5","9","6","3","7","3","1") = "8"
    & skf18("5","9","6","3","7","4","1") = "8"
    & skf18("5","9","6","3","7","5","1") = "8"
    & skf18("5","9","6","3","7","6","1") = "8"
    & skf18("5","9","6","3","7","7","1") = "8"
    & skf18("5","9","6","3","7","8","1") = "8"
    & skf18("5","9","6","3","7","9","1") = "8"
    & skf18("5","9","6","3","7","10","1") = "9"
    & skf18("5","9","6","3","8","1","1") = "8"
    & skf18("5","9","6","3","8","2","1") = "8"
    & skf18("5","9","6","3","8","3","1") = "8"
    & skf18("5","9","6","3","8","4","1") = "8"
    & skf18("5","9","6","3","8","5","1") = "8"
    & skf18("5","9","6","3","8","6","1") = "8"
    & skf18("5","9","6","3","8","7","1") = "8"
    & skf18("5","9","6","3","8","8","1") = "8"
    & skf18("5","9","6","3","8","9","1") = "8"
    & skf18("5","9","6","3","8","10","1") = "9"
    & skf18("5","9","6","3","9","1","1") = "8"
    & skf18("5","9","6","3","9","2","1") = "8"
    & skf18("5","9","6","3","9","3","1") = "8"
    & skf18("5","9","6","3","9","4","1") = "8"
    & skf18("5","9","6","3","9","5","1") = "8"
    & skf18("5","9","6","3","9","6","1") = "8"
    & skf18("5","9","6","3","9","7","1") = "8"
    & skf18("5","9","6","3","9","8","1") = "8"
    & skf18("5","9","6","3","9","9","1") = "8"
    & skf18("5","9","6","3","9","10","1") = "9"
    & skf18("5","9","6","3","10","1","1") = "9"
    & skf18("5","9","6","3","10","2","1") = "9"
    & skf18("5","9","6","3","10","3","1") = "9"
    & skf18("5","9","6","3","10","4","1") = "9"
    & skf18("5","9","6","3","10","5","1") = "9"
    & skf18("5","9","6","3","10","6","1") = "9"
    & skf18("5","9","6","3","10","7","1") = "9"
    & skf18("5","9","6","3","10","8","1") = "9"
    & skf18("5","9","6","3","10","9","1") = "9"
    & skf18("5","9","6","3","10","10","1") = "9"
    & skf18("5","9","6","4","1","1","1") = "8"
    & skf18("5","9","6","4","1","2","1") = "8"
    & skf18("5","9","6","4","1","3","1") = "8"
    & skf18("5","9","6","4","1","4","1") = "8"
    & skf18("5","9","6","4","1","5","1") = "8"
    & skf18("5","9","6","4","1","6","1") = "8"
    & skf18("5","9","6","4","1","7","1") = "8"
    & skf18("5","9","6","4","1","8","1") = "8"
    & skf18("5","9","6","4","1","9","1") = "8"
    & skf18("5","9","6","4","1","10","1") = "9"
    & skf18("5","9","6","4","2","1","1") = "8"
    & skf18("5","9","6","4","2","2","1") = "8"
    & skf18("5","9","6","4","2","3","1") = "8"
    & skf18("5","9","6","4","2","4","1") = "8"
    & skf18("5","9","6","4","2","5","1") = "8"
    & skf18("5","9","6","4","2","6","1") = "8"
    & skf18("5","9","6","4","2","7","1") = "8"
    & skf18("5","9","6","4","2","8","1") = "8"
    & skf18("5","9","6","4","2","9","1") = "8"
    & skf18("5","9","6","4","2","10","1") = "9"
    & skf18("5","9","6","4","3","1","1") = "8"
    & skf18("5","9","6","4","3","2","1") = "8"
    & skf18("5","9","6","4","3","3","1") = "8"
    & skf18("5","9","6","4","3","4","1") = "8"
    & skf18("5","9","6","4","3","5","1") = "8"
    & skf18("5","9","6","4","3","6","1") = "8"
    & skf18("5","9","6","4","3","7","1") = "8"
    & skf18("5","9","6","4","3","8","1") = "8"
    & skf18("5","9","6","4","3","9","1") = "8"
    & skf18("5","9","6","4","3","10","1") = "9"
    & skf18("5","9","6","4","4","1","1") = "8"
    & skf18("5","9","6","4","4","2","1") = "8"
    & skf18("5","9","6","4","4","3","1") = "8"
    & skf18("5","9","6","4","4","4","1") = "8"
    & skf18("5","9","6","4","4","5","1") = "8"
    & skf18("5","9","6","4","4","6","1") = "8"
    & skf18("5","9","6","4","4","7","1") = "8"
    & skf18("5","9","6","4","4","8","1") = "8"
    & skf18("5","9","6","4","4","9","1") = "8"
    & skf18("5","9","6","4","4","10","1") = "9"
    & skf18("5","9","6","4","5","1","1") = "8"
    & skf18("5","9","6","4","5","2","1") = "8"
    & skf18("5","9","6","4","5","3","1") = "8"
    & skf18("5","9","6","4","5","4","1") = "8"
    & skf18("5","9","6","4","5","5","1") = "8"
    & skf18("5","9","6","4","5","6","1") = "8"
    & skf18("5","9","6","4","5","7","1") = "8"
    & skf18("5","9","6","4","5","8","1") = "8"
    & skf18("5","9","6","4","5","9","1") = "8"
    & skf18("5","9","6","4","5","10","1") = "9"
    & skf18("5","9","6","4","6","1","1") = "8"
    & skf18("5","9","6","4","6","2","1") = "8"
    & skf18("5","9","6","4","6","3","1") = "8"
    & skf18("5","9","6","4","6","4","1") = "8"
    & skf18("5","9","6","4","6","5","1") = "8"
    & skf18("5","9","6","4","6","6","1") = "8"
    & skf18("5","9","6","4","6","7","1") = "8"
    & skf18("5","9","6","4","6","8","1") = "8"
    & skf18("5","9","6","4","6","9","1") = "8"
    & skf18("5","9","6","4","6","10","1") = "9"
    & skf18("5","9","6","4","7","1","1") = "8"
    & skf18("5","9","6","4","7","2","1") = "8"
    & skf18("5","9","6","4","7","3","1") = "8"
    & skf18("5","9","6","4","7","4","1") = "8"
    & skf18("5","9","6","4","7","5","1") = "8"
    & skf18("5","9","6","4","7","6","1") = "8"
    & skf18("5","9","6","4","7","7","1") = "8"
    & skf18("5","9","6","4","7","8","1") = "8"
    & skf18("5","9","6","4","7","9","1") = "8"
    & skf18("5","9","6","4","7","10","1") = "9"
    & skf18("5","9","6","4","8","1","1") = "8"
    & skf18("5","9","6","4","8","2","1") = "8"
    & skf18("5","9","6","4","8","3","1") = "8"
    & skf18("5","9","6","4","8","4","1") = "8"
    & skf18("5","9","6","4","8","5","1") = "8"
    & skf18("5","9","6","4","8","6","1") = "8"
    & skf18("5","9","6","4","8","7","1") = "8"
    & skf18("5","9","6","4","8","8","1") = "8"
    & skf18("5","9","6","4","8","9","1") = "8"
    & skf18("5","9","6","4","8","10","1") = "9"
    & skf18("5","9","6","4","9","1","1") = "8"
    & skf18("5","9","6","4","9","2","1") = "8"
    & skf18("5","9","6","4","9","3","1") = "8"
    & skf18("5","9","6","4","9","4","1") = "8"
    & skf18("5","9","6","4","9","5","1") = "8"
    & skf18("5","9","6","4","9","6","1") = "8"
    & skf18("5","9","6","4","9","7","1") = "8"
    & skf18("5","9","6","4","9","8","1") = "8"
    & skf18("5","9","6","4","9","9","1") = "8"
    & skf18("5","9","6","4","9","10","1") = "9"
    & skf18("5","9","6","4","10","1","1") = "9"
    & skf18("5","9","6","4","10","2","1") = "9"
    & skf18("5","9","6","4","10","3","1") = "9"
    & skf18("5","9","6","4","10","4","1") = "9"
    & skf18("5","9","6","4","10","5","1") = "9"
    & skf18("5","9","6","4","10","6","1") = "9"
    & skf18("5","9","6","4","10","7","1") = "9"
    & skf18("5","9","6","4","10","8","1") = "9"
    & skf18("5","9","6","4","10","9","1") = "9"
    & skf18("5","9","6","4","10","10","1") = "9"
    & skf18("5","9","6","5","1","1","1") = "8"
    & skf18("5","9","6","5","1","2","1") = "8"
    & skf18("5","9","6","5","1","3","1") = "8"
    & skf18("5","9","6","5","1","4","1") = "8"
    & skf18("5","9","6","5","1","5","1") = "8"
    & skf18("5","9","6","5","1","6","1") = "8"
    & skf18("5","9","6","5","1","7","1") = "8"
    & skf18("5","9","6","5","1","8","1") = "8"
    & skf18("5","9","6","5","1","9","1") = "8"
    & skf18("5","9","6","5","1","10","1") = "9"
    & skf18("5","9","6","5","2","1","1") = "8"
    & skf18("5","9","6","5","2","2","1") = "8"
    & skf18("5","9","6","5","2","3","1") = "8"
    & skf18("5","9","6","5","2","4","1") = "8"
    & skf18("5","9","6","5","2","5","1") = "8"
    & skf18("5","9","6","5","2","6","1") = "8"
    & skf18("5","9","6","5","2","7","1") = "8"
    & skf18("5","9","6","5","2","8","1") = "8"
    & skf18("5","9","6","5","2","9","1") = "8"
    & skf18("5","9","6","5","2","10","1") = "9"
    & skf18("5","9","6","5","3","1","1") = "8"
    & skf18("5","9","6","5","3","2","1") = "8"
    & skf18("5","9","6","5","3","3","1") = "8"
    & skf18("5","9","6","5","3","4","1") = "8"
    & skf18("5","9","6","5","3","5","1") = "8"
    & skf18("5","9","6","5","3","6","1") = "8"
    & skf18("5","9","6","5","3","7","1") = "8"
    & skf18("5","9","6","5","3","8","1") = "8"
    & skf18("5","9","6","5","3","9","1") = "8"
    & skf18("5","9","6","5","3","10","1") = "9"
    & skf18("5","9","6","5","4","1","1") = "8"
    & skf18("5","9","6","5","4","2","1") = "8"
    & skf18("5","9","6","5","4","3","1") = "8"
    & skf18("5","9","6","5","4","4","1") = "8"
    & skf18("5","9","6","5","4","5","1") = "8"
    & skf18("5","9","6","5","4","6","1") = "8"
    & skf18("5","9","6","5","4","7","1") = "8"
    & skf18("5","9","6","5","4","8","1") = "8"
    & skf18("5","9","6","5","4","9","1") = "8"
    & skf18("5","9","6","5","4","10","1") = "9"
    & skf18("5","9","6","5","5","1","1") = "8"
    & skf18("5","9","6","5","5","2","1") = "8"
    & skf18("5","9","6","5","5","3","1") = "8"
    & skf18("5","9","6","5","5","4","1") = "8"
    & skf18("5","9","6","5","5","5","1") = "8"
    & skf18("5","9","6","5","5","6","1") = "8"
    & skf18("5","9","6","5","5","7","1") = "8"
    & skf18("5","9","6","5","5","8","1") = "8"
    & skf18("5","9","6","5","5","9","1") = "8"
    & skf18("5","9","6","5","5","10","1") = "9"
    & skf18("5","9","6","5","6","1","1") = "8"
    & skf18("5","9","6","5","6","2","1") = "8"
    & skf18("5","9","6","5","6","3","1") = "8"
    & skf18("5","9","6","5","6","4","1") = "8"
    & skf18("5","9","6","5","6","5","1") = "8"
    & skf18("5","9","6","5","6","6","1") = "8"
    & skf18("5","9","6","5","6","7","1") = "8"
    & skf18("5","9","6","5","6","8","1") = "8"
    & skf18("5","9","6","5","6","9","1") = "8"
    & skf18("5","9","6","5","6","10","1") = "9"
    & skf18("5","9","6","5","7","1","1") = "8"
    & skf18("5","9","6","5","7","2","1") = "8"
    & skf18("5","9","6","5","7","3","1") = "8"
    & skf18("5","9","6","5","7","4","1") = "8"
    & skf18("5","9","6","5","7","5","1") = "8"
    & skf18("5","9","6","5","7","6","1") = "8"
    & skf18("5","9","6","5","7","7","1") = "8"
    & skf18("5","9","6","5","7","8","1") = "8"
    & skf18("5","9","6","5","7","9","1") = "8"
    & skf18("5","9","6","5","7","10","1") = "9"
    & skf18("5","9","6","5","8","1","1") = "8"
    & skf18("5","9","6","5","8","2","1") = "8"
    & skf18("5","9","6","5","8","3","1") = "8"
    & skf18("5","9","6","5","8","4","1") = "8"
    & skf18("5","9","6","5","8","5","1") = "8"
    & skf18("5","9","6","5","8","6","1") = "8"
    & skf18("5","9","6","5","8","7","1") = "8"
    & skf18("5","9","6","5","8","8","1") = "8"
    & skf18("5","9","6","5","8","9","1") = "8"
    & skf18("5","9","6","5","8","10","1") = "9"
    & skf18("5","9","6","5","9","1","1") = "8"
    & skf18("5","9","6","5","9","2","1") = "8"
    & skf18("5","9","6","5","9","3","1") = "8"
    & skf18("5","9","6","5","9","4","1") = "8"
    & skf18("5","9","6","5","9","5","1") = "8"
    & skf18("5","9","6","5","9","6","1") = "8"
    & skf18("5","9","6","5","9","7","1") = "8"
    & skf18("5","9","6","5","9","8","1") = "8"
    & skf18("5","9","6","5","9","9","1") = "8"
    & skf18("5","9","6","5","9","10","1") = "9"
    & skf18("5","9","6","5","10","1","1") = "9"
    & skf18("5","9","6","5","10","2","1") = "9"
    & skf18("5","9","6","5","10","3","1") = "9"
    & skf18("5","9","6","5","10","4","1") = "9"
    & skf18("5","9","6","5","10","5","1") = "9"
    & skf18("5","9","6","5","10","6","1") = "9"
    & skf18("5","9","6","5","10","7","1") = "9"
    & skf18("5","9","6","5","10","8","1") = "9"
    & skf18("5","9","6","5","10","9","1") = "9"
    & skf18("5","9","6","5","10","10","1") = "9"
    & skf18("5","9","6","6","1","1","1") = "8"
    & skf18("5","9","6","6","1","2","1") = "8"
    & skf18("5","9","6","6","1","3","1") = "8"
    & skf18("5","9","6","6","1","4","1") = "8"
    & skf18("5","9","6","6","1","5","1") = "8"
    & skf18("5","9","6","6","1","6","1") = "8"
    & skf18("5","9","6","6","1","7","1") = "8"
    & skf18("5","9","6","6","1","8","1") = "8"
    & skf18("5","9","6","6","1","9","1") = "8"
    & skf18("5","9","6","6","1","10","1") = "9"
    & skf18("5","9","6","6","2","1","1") = "8"
    & skf18("5","9","6","6","2","2","1") = "8"
    & skf18("5","9","6","6","2","3","1") = "8"
    & skf18("5","9","6","6","2","4","1") = "8"
    & skf18("5","9","6","6","2","5","1") = "8"
    & skf18("5","9","6","6","2","6","1") = "8"
    & skf18("5","9","6","6","2","7","1") = "8"
    & skf18("5","9","6","6","2","8","1") = "8"
    & skf18("5","9","6","6","2","9","1") = "8"
    & skf18("5","9","6","6","2","10","1") = "9"
    & skf18("5","9","6","6","3","1","1") = "8"
    & skf18("5","9","6","6","3","2","1") = "8"
    & skf18("5","9","6","6","3","3","1") = "8"
    & skf18("5","9","6","6","3","4","1") = "8"
    & skf18("5","9","6","6","3","5","1") = "8"
    & skf18("5","9","6","6","3","6","1") = "8"
    & skf18("5","9","6","6","3","7","1") = "8"
    & skf18("5","9","6","6","3","8","1") = "8"
    & skf18("5","9","6","6","3","9","1") = "8"
    & skf18("5","9","6","6","3","10","1") = "9"
    & skf18("5","9","6","6","4","1","1") = "8"
    & skf18("5","9","6","6","4","2","1") = "8"
    & skf18("5","9","6","6","4","3","1") = "8"
    & skf18("5","9","6","6","4","4","1") = "8"
    & skf18("5","9","6","6","4","5","1") = "8"
    & skf18("5","9","6","6","4","6","1") = "8"
    & skf18("5","9","6","6","4","7","1") = "8"
    & skf18("5","9","6","6","4","8","1") = "8"
    & skf18("5","9","6","6","4","9","1") = "8"
    & skf18("5","9","6","6","4","10","1") = "9"
    & skf18("5","9","6","6","5","1","1") = "8"
    & skf18("5","9","6","6","5","2","1") = "8"
    & skf18("5","9","6","6","5","3","1") = "8"
    & skf18("5","9","6","6","5","4","1") = "8"
    & skf18("5","9","6","6","5","5","1") = "8"
    & skf18("5","9","6","6","5","6","1") = "8"
    & skf18("5","9","6","6","5","7","1") = "8"
    & skf18("5","9","6","6","5","8","1") = "8"
    & skf18("5","9","6","6","5","9","1") = "8"
    & skf18("5","9","6","6","5","10","1") = "9"
    & skf18("5","9","6","6","6","1","1") = "8"
    & skf18("5","9","6","6","6","2","1") = "8"
    & skf18("5","9","6","6","6","3","1") = "8"
    & skf18("5","9","6","6","6","4","1") = "8"
    & skf18("5","9","6","6","6","5","1") = "8"
    & skf18("5","9","6","6","6","6","1") = "8"
    & skf18("5","9","6","6","6","7","1") = "8"
    & skf18("5","9","6","6","6","8","1") = "8"
    & skf18("5","9","6","6","6","9","1") = "8"
    & skf18("5","9","6","6","6","10","1") = "9"
    & skf18("5","9","6","6","7","1","1") = "8"
    & skf18("5","9","6","6","7","2","1") = "8"
    & skf18("5","9","6","6","7","3","1") = "8"
    & skf18("5","9","6","6","7","4","1") = "8"
    & skf18("5","9","6","6","7","5","1") = "8"
    & skf18("5","9","6","6","7","6","1") = "8"
    & skf18("5","9","6","6","7","7","1") = "8"
    & skf18("5","9","6","6","7","8","1") = "8"
    & skf18("5","9","6","6","7","9","1") = "8"
    & skf18("5","9","6","6","7","10","1") = "9"
    & skf18("5","9","6","6","8","1","1") = "8"
    & skf18("5","9","6","6","8","2","1") = "8"
    & skf18("5","9","6","6","8","3","1") = "8"
    & skf18("5","9","6","6","8","4","1") = "8"
    & skf18("5","9","6","6","8","5","1") = "8"
    & skf18("5","9","6","6","8","6","1") = "8"
    & skf18("5","9","6","6","8","7","1") = "8"
    & skf18("5","9","6","6","8","8","1") = "8"
    & skf18("5","9","6","6","8","9","1") = "8"
    & skf18("5","9","6","6","8","10","1") = "9"
    & skf18("5","9","6","6","9","1","1") = "8"
    & skf18("5","9","6","6","9","2","1") = "8"
    & skf18("5","9","6","6","9","3","1") = "8"
    & skf18("5","9","6","6","9","4","1") = "8"
    & skf18("5","9","6","6","9","5","1") = "8"
    & skf18("5","9","6","6","9","6","1") = "8"
    & skf18("5","9","6","6","9","7","1") = "8"
    & skf18("5","9","6","6","9","8","1") = "8"
    & skf18("5","9","6","6","9","9","1") = "8"
    & skf18("5","9","6","6","9","10","1") = "9"
    & skf18("5","9","6","6","10","1","1") = "9"
    & skf18("5","9","6","6","10","2","1") = "9"
    & skf18("5","9","6","6","10","3","1") = "9"
    & skf18("5","9","6","6","10","4","1") = "9"
    & skf18("5","9","6","6","10","5","1") = "9"
    & skf18("5","9","6","6","10","6","1") = "9"
    & skf18("5","9","6","6","10","7","1") = "9"
    & skf18("5","9","6","6","10","8","1") = "9"
    & skf18("5","9","6","6","10","9","1") = "9"
    & skf18("5","9","6","6","10","10","1") = "9"
    & skf18("5","9","6","7","1","1","1") = "8"
    & skf18("5","9","6","7","1","2","1") = "8"
    & skf18("5","9","6","7","1","3","1") = "8"
    & skf18("5","9","6","7","1","4","1") = "8"
    & skf18("5","9","6","7","1","5","1") = "8"
    & skf18("5","9","6","7","1","6","1") = "8"
    & skf18("5","9","6","7","1","7","1") = "8"
    & skf18("5","9","6","7","1","8","1") = "8"
    & skf18("5","9","6","7","1","9","1") = "8"
    & skf18("5","9","6","7","1","10","1") = "9"
    & skf18("5","9","6","7","2","1","1") = "8"
    & skf18("5","9","6","7","2","2","1") = "8"
    & skf18("5","9","6","7","2","3","1") = "8"
    & skf18("5","9","6","7","2","4","1") = "8"
    & skf18("5","9","6","7","2","5","1") = "8"
    & skf18("5","9","6","7","2","6","1") = "8"
    & skf18("5","9","6","7","2","7","1") = "8"
    & skf18("5","9","6","7","2","8","1") = "8"
    & skf18("5","9","6","7","2","9","1") = "8"
    & skf18("5","9","6","7","2","10","1") = "9"
    & skf18("5","9","6","7","3","1","1") = "8"
    & skf18("5","9","6","7","3","2","1") = "8"
    & skf18("5","9","6","7","3","3","1") = "8"
    & skf18("5","9","6","7","3","4","1") = "8"
    & skf18("5","9","6","7","3","5","1") = "8"
    & skf18("5","9","6","7","3","6","1") = "8"
    & skf18("5","9","6","7","3","7","1") = "8"
    & skf18("5","9","6","7","3","8","1") = "8"
    & skf18("5","9","6","7","3","9","1") = "8"
    & skf18("5","9","6","7","3","10","1") = "9"
    & skf18("5","9","6","7","4","1","1") = "8"
    & skf18("5","9","6","7","4","2","1") = "8"
    & skf18("5","9","6","7","4","3","1") = "8"
    & skf18("5","9","6","7","4","4","1") = "8"
    & skf18("5","9","6","7","4","5","1") = "8"
    & skf18("5","9","6","7","4","6","1") = "8"
    & skf18("5","9","6","7","4","7","1") = "8"
    & skf18("5","9","6","7","4","8","1") = "8"
    & skf18("5","9","6","7","4","9","1") = "8"
    & skf18("5","9","6","7","4","10","1") = "9"
    & skf18("5","9","6","7","5","1","1") = "8"
    & skf18("5","9","6","7","5","2","1") = "8"
    & skf18("5","9","6","7","5","3","1") = "8"
    & skf18("5","9","6","7","5","4","1") = "8"
    & skf18("5","9","6","7","5","5","1") = "8"
    & skf18("5","9","6","7","5","6","1") = "8"
    & skf18("5","9","6","7","5","7","1") = "8"
    & skf18("5","9","6","7","5","8","1") = "8"
    & skf18("5","9","6","7","5","9","1") = "8"
    & skf18("5","9","6","7","5","10","1") = "9"
    & skf18("5","9","6","7","6","1","1") = "8"
    & skf18("5","9","6","7","6","2","1") = "8"
    & skf18("5","9","6","7","6","3","1") = "8"
    & skf18("5","9","6","7","6","4","1") = "8"
    & skf18("5","9","6","7","6","5","1") = "8"
    & skf18("5","9","6","7","6","6","1") = "8"
    & skf18("5","9","6","7","6","7","1") = "8"
    & skf18("5","9","6","7","6","8","1") = "8"
    & skf18("5","9","6","7","6","9","1") = "8"
    & skf18("5","9","6","7","6","10","1") = "9"
    & skf18("5","9","6","7","7","1","1") = "8"
    & skf18("5","9","6","7","7","2","1") = "8"
    & skf18("5","9","6","7","7","3","1") = "8"
    & skf18("5","9","6","7","7","4","1") = "8"
    & skf18("5","9","6","7","7","5","1") = "8"
    & skf18("5","9","6","7","7","6","1") = "8"
    & skf18("5","9","6","7","7","7","1") = "8"
    & skf18("5","9","6","7","7","8","1") = "8"
    & skf18("5","9","6","7","7","9","1") = "8"
    & skf18("5","9","6","7","7","10","1") = "9"
    & skf18("5","9","6","7","8","1","1") = "8"
    & skf18("5","9","6","7","8","2","1") = "8"
    & skf18("5","9","6","7","8","3","1") = "8"
    & skf18("5","9","6","7","8","4","1") = "8"
    & skf18("5","9","6","7","8","5","1") = "8"
    & skf18("5","9","6","7","8","6","1") = "8"
    & skf18("5","9","6","7","8","7","1") = "8"
    & skf18("5","9","6","7","8","8","1") = "8"
    & skf18("5","9","6","7","8","9","1") = "8"
    & skf18("5","9","6","7","8","10","1") = "9"
    & skf18("5","9","6","7","9","1","1") = "8"
    & skf18("5","9","6","7","9","2","1") = "8"
    & skf18("5","9","6","7","9","3","1") = "8"
    & skf18("5","9","6","7","9","4","1") = "8"
    & skf18("5","9","6","7","9","5","1") = "8"
    & skf18("5","9","6","7","9","6","1") = "8"
    & skf18("5","9","6","7","9","7","1") = "8"
    & skf18("5","9","6","7","9","8","1") = "8"
    & skf18("5","9","6","7","9","9","1") = "8"
    & skf18("5","9","6","7","9","10","1") = "9"
    & skf18("5","9","6","7","10","1","1") = "9"
    & skf18("5","9","6","7","10","2","1") = "9"
    & skf18("5","9","6","7","10","3","1") = "9"
    & skf18("5","9","6","7","10","4","1") = "9"
    & skf18("5","9","6","7","10","5","1") = "9"
    & skf18("5","9","6","7","10","6","1") = "9"
    & skf18("5","9","6","7","10","7","1") = "9"
    & skf18("5","9","6","7","10","8","1") = "9"
    & skf18("5","9","6","7","10","9","1") = "9"
    & skf18("5","9","6","7","10","10","1") = "9"
    & skf18("5","9","6","8","1","1","1") = "8"
    & skf18("5","9","6","8","1","2","1") = "8"
    & skf18("5","9","6","8","1","3","1") = "8"
    & skf18("5","9","6","8","1","4","1") = "8"
    & skf18("5","9","6","8","1","5","1") = "8"
    & skf18("5","9","6","8","1","6","1") = "8"
    & skf18("5","9","6","8","1","7","1") = "8"
    & skf18("5","9","6","8","1","8","1") = "8"
    & skf18("5","9","6","8","1","9","1") = "8"
    & skf18("5","9","6","8","1","10","1") = "9"
    & skf18("5","9","6","8","2","1","1") = "8"
    & skf18("5","9","6","8","2","2","1") = "8"
    & skf18("5","9","6","8","2","3","1") = "8"
    & skf18("5","9","6","8","2","4","1") = "8"
    & skf18("5","9","6","8","2","5","1") = "8"
    & skf18("5","9","6","8","2","6","1") = "8"
    & skf18("5","9","6","8","2","7","1") = "8"
    & skf18("5","9","6","8","2","8","1") = "8"
    & skf18("5","9","6","8","2","9","1") = "8"
    & skf18("5","9","6","8","2","10","1") = "9"
    & skf18("5","9","6","8","3","1","1") = "8"
    & skf18("5","9","6","8","3","2","1") = "8"
    & skf18("5","9","6","8","3","3","1") = "8"
    & skf18("5","9","6","8","3","4","1") = "8"
    & skf18("5","9","6","8","3","5","1") = "8"
    & skf18("5","9","6","8","3","6","1") = "8"
    & skf18("5","9","6","8","3","7","1") = "8"
    & skf18("5","9","6","8","3","8","1") = "8"
    & skf18("5","9","6","8","3","9","1") = "8"
    & skf18("5","9","6","8","3","10","1") = "9"
    & skf18("5","9","6","8","4","1","1") = "8"
    & skf18("5","9","6","8","4","2","1") = "8"
    & skf18("5","9","6","8","4","3","1") = "8"
    & skf18("5","9","6","8","4","4","1") = "8"
    & skf18("5","9","6","8","4","5","1") = "8"
    & skf18("5","9","6","8","4","6","1") = "8"
    & skf18("5","9","6","8","4","7","1") = "8"
    & skf18("5","9","6","8","4","8","1") = "8"
    & skf18("5","9","6","8","4","9","1") = "8"
    & skf18("5","9","6","8","4","10","1") = "9"
    & skf18("5","9","6","8","5","1","1") = "8"
    & skf18("5","9","6","8","5","2","1") = "8"
    & skf18("5","9","6","8","5","3","1") = "8"
    & skf18("5","9","6","8","5","4","1") = "8"
    & skf18("5","9","6","8","5","5","1") = "8"
    & skf18("5","9","6","8","5","6","1") = "8"
    & skf18("5","9","6","8","5","7","1") = "8"
    & skf18("5","9","6","8","5","8","1") = "8"
    & skf18("5","9","6","8","5","9","1") = "8"
    & skf18("5","9","6","8","5","10","1") = "9"
    & skf18("5","9","6","8","6","1","1") = "8"
    & skf18("5","9","6","8","6","2","1") = "8"
    & skf18("5","9","6","8","6","3","1") = "8"
    & skf18("5","9","6","8","6","4","1") = "8"
    & skf18("5","9","6","8","6","5","1") = "8"
    & skf18("5","9","6","8","6","6","1") = "8"
    & skf18("5","9","6","8","6","7","1") = "8"
    & skf18("5","9","6","8","6","8","1") = "8"
    & skf18("5","9","6","8","6","9","1") = "8"
    & skf18("5","9","6","8","6","10","1") = "9"
    & skf18("5","9","6","8","7","1","1") = "8"
    & skf18("5","9","6","8","7","2","1") = "8"
    & skf18("5","9","6","8","7","3","1") = "8"
    & skf18("5","9","6","8","7","4","1") = "8"
    & skf18("5","9","6","8","7","5","1") = "8"
    & skf18("5","9","6","8","7","6","1") = "8"
    & skf18("5","9","6","8","7","7","1") = "8"
    & skf18("5","9","6","8","7","8","1") = "8"
    & skf18("5","9","6","8","7","9","1") = "8"
    & skf18("5","9","6","8","7","10","1") = "9"
    & skf18("5","9","6","8","8","1","1") = "8"
    & skf18("5","9","6","8","8","2","1") = "8"
    & skf18("5","9","6","8","8","3","1") = "8"
    & skf18("5","9","6","8","8","4","1") = "8"
    & skf18("5","9","6","8","8","5","1") = "8"
    & skf18("5","9","6","8","8","6","1") = "8"
    & skf18("5","9","6","8","8","7","1") = "8"
    & skf18("5","9","6","8","8","8","1") = "8"
    & skf18("5","9","6","8","8","9","1") = "8"
    & skf18("5","9","6","8","8","10","1") = "9"
    & skf18("5","9","6","8","9","1","1") = "8"
    & skf18("5","9","6","8","9","2","1") = "8"
    & skf18("5","9","6","8","9","3","1") = "8"
    & skf18("5","9","6","8","9","4","1") = "8"
    & skf18("5","9","6","8","9","5","1") = "8"
    & skf18("5","9","6","8","9","6","1") = "8"
    & skf18("5","9","6","8","9","7","1") = "8"
    & skf18("5","9","6","8","9","8","1") = "8"
    & skf18("5","9","6","8","9","9","1") = "8"
    & skf18("5","9","6","8","9","10","1") = "9"
    & skf18("5","9","6","8","10","1","1") = "9"
    & skf18("5","9","6","8","10","2","1") = "9"
    & skf18("5","9","6","8","10","3","1") = "9"
    & skf18("5","9","6","8","10","4","1") = "9"
    & skf18("5","9","6","8","10","5","1") = "9"
    & skf18("5","9","6","8","10","6","1") = "9"
    & skf18("5","9","6","8","10","7","1") = "9"
    & skf18("5","9","6","8","10","8","1") = "9"
    & skf18("5","9","6","8","10","9","1") = "9"
    & skf18("5","9","6","8","10","10","1") = "9"
    & skf18("5","9","6","9","1","1","1") = "8"
    & skf18("5","9","6","9","1","2","1") = "8"
    & skf18("5","9","6","9","1","3","1") = "8"
    & skf18("5","9","6","9","1","4","1") = "8"
    & skf18("5","9","6","9","1","5","1") = "8"
    & skf18("5","9","6","9","1","6","1") = "8"
    & skf18("5","9","6","9","1","7","1") = "8"
    & skf18("5","9","6","9","1","8","1") = "8"
    & skf18("5","9","6","9","1","9","1") = "8"
    & skf18("5","9","6","9","1","10","1") = "9"
    & skf18("5","9","6","9","2","1","1") = "8"
    & skf18("5","9","6","9","2","2","1") = "8"
    & skf18("5","9","6","9","2","3","1") = "8"
    & skf18("5","9","6","9","2","4","1") = "8"
    & skf18("5","9","6","9","2","5","1") = "8"
    & skf18("5","9","6","9","2","6","1") = "8"
    & skf18("5","9","6","9","2","7","1") = "8"
    & skf18("5","9","6","9","2","8","1") = "8"
    & skf18("5","9","6","9","2","9","1") = "8"
    & skf18("5","9","6","9","2","10","1") = "9"
    & skf18("5","9","6","9","3","1","1") = "8"
    & skf18("5","9","6","9","3","2","1") = "8"
    & skf18("5","9","6","9","3","3","1") = "8"
    & skf18("5","9","6","9","3","4","1") = "8"
    & skf18("5","9","6","9","3","5","1") = "8"
    & skf18("5","9","6","9","3","6","1") = "8"
    & skf18("5","9","6","9","3","7","1") = "8"
    & skf18("5","9","6","9","3","8","1") = "8"
    & skf18("5","9","6","9","3","9","1") = "8"
    & skf18("5","9","6","9","3","10","1") = "9"
    & skf18("5","9","6","9","4","1","1") = "8"
    & skf18("5","9","6","9","4","2","1") = "8"
    & skf18("5","9","6","9","4","3","1") = "8"
    & skf18("5","9","6","9","4","4","1") = "8"
    & skf18("5","9","6","9","4","5","1") = "8"
    & skf18("5","9","6","9","4","6","1") = "8"
    & skf18("5","9","6","9","4","7","1") = "8"
    & skf18("5","9","6","9","4","8","1") = "8"
    & skf18("5","9","6","9","4","9","1") = "8"
    & skf18("5","9","6","9","4","10","1") = "9"
    & skf18("5","9","6","9","5","1","1") = "8"
    & skf18("5","9","6","9","5","2","1") = "8"
    & skf18("5","9","6","9","5","3","1") = "8"
    & skf18("5","9","6","9","5","4","1") = "8"
    & skf18("5","9","6","9","5","5","1") = "8"
    & skf18("5","9","6","9","5","6","1") = "8"
    & skf18("5","9","6","9","5","7","1") = "8"
    & skf18("5","9","6","9","5","8","1") = "8"
    & skf18("5","9","6","9","5","9","1") = "8"
    & skf18("5","9","6","9","5","10","1") = "9"
    & skf18("5","9","6","9","6","1","1") = "8"
    & skf18("5","9","6","9","6","2","1") = "8"
    & skf18("5","9","6","9","6","3","1") = "8"
    & skf18("5","9","6","9","6","4","1") = "8"
    & skf18("5","9","6","9","6","5","1") = "8"
    & skf18("5","9","6","9","6","6","1") = "8"
    & skf18("5","9","6","9","6","7","1") = "8"
    & skf18("5","9","6","9","6","8","1") = "8"
    & skf18("5","9","6","9","6","9","1") = "8"
    & skf18("5","9","6","9","6","10","1") = "9"
    & skf18("5","9","6","9","7","1","1") = "8"
    & skf18("5","9","6","9","7","2","1") = "8"
    & skf18("5","9","6","9","7","3","1") = "8"
    & skf18("5","9","6","9","7","4","1") = "8"
    & skf18("5","9","6","9","7","5","1") = "8"
    & skf18("5","9","6","9","7","6","1") = "8"
    & skf18("5","9","6","9","7","7","1") = "8"
    & skf18("5","9","6","9","7","8","1") = "8"
    & skf18("5","9","6","9","7","9","1") = "8"
    & skf18("5","9","6","9","7","10","1") = "9"
    & skf18("5","9","6","9","8","1","1") = "8"
    & skf18("5","9","6","9","8","2","1") = "8"
    & skf18("5","9","6","9","8","3","1") = "8"
    & skf18("5","9","6","9","8","4","1") = "8"
    & skf18("5","9","6","9","8","5","1") = "8"
    & skf18("5","9","6","9","8","6","1") = "8"
    & skf18("5","9","6","9","8","7","1") = "8"
    & skf18("5","9","6","9","8","8","1") = "8"
    & skf18("5","9","6","9","8","9","1") = "8"
    & skf18("5","9","6","9","8","10","1") = "9"
    & skf18("5","9","6","9","9","1","1") = "8"
    & skf18("5","9","6","9","9","2","1") = "8"
    & skf18("5","9","6","9","9","3","1") = "8"
    & skf18("5","9","6","9","9","4","1") = "8"
    & skf18("5","9","6","9","9","5","1") = "8"
    & skf18("5","9","6","9","9","6","1") = "8"
    & skf18("5","9","6","9","9","7","1") = "8"
    & skf18("5","9","6","9","9","8","1") = "8"
    & skf18("5","9","6","9","9","9","1") = "8"
    & skf18("5","9","6","9","9","10","1") = "9"
    & skf18("5","9","6","9","10","1","1") = "9"
    & skf18("5","9","6","9","10","2","1") = "9"
    & skf18("5","9","6","9","10","3","1") = "9"
    & skf18("5","9","6","9","10","4","1") = "9"
    & skf18("5","9","6","9","10","5","1") = "9"
    & skf18("5","9","6","9","10","6","1") = "9"
    & skf18("5","9","6","9","10","7","1") = "9"
    & skf18("5","9","6","9","10","8","1") = "9"
    & skf18("5","9","6","9","10","9","1") = "9"
    & skf18("5","9","6","9","10","10","1") = "9"
    & skf18("5","9","6","10","1","1","1") = "9"
    & skf18("5","9","6","10","1","2","1") = "9"
    & skf18("5","9","6","10","1","3","1") = "9"
    & skf18("5","9","6","10","1","4","1") = "9"
    & skf18("5","9","6","10","1","5","1") = "9"
    & skf18("5","9","6","10","1","6","1") = "9"
    & skf18("5","9","6","10","1","7","1") = "9"
    & skf18("5","9","6","10","1","8","1") = "9"
    & skf18("5","9","6","10","1","9","1") = "9"
    & skf18("5","9","6","10","1","10","1") = "9"
    & skf18("5","9","6","10","2","1","1") = "9"
    & skf18("5","9","6","10","2","2","1") = "9"
    & skf18("5","9","6","10","2","3","1") = "9"
    & skf18("5","9","6","10","2","4","1") = "9"
    & skf18("5","9","6","10","2","5","1") = "9"
    & skf18("5","9","6","10","2","6","1") = "9"
    & skf18("5","9","6","10","2","7","1") = "9"
    & skf18("5","9","6","10","2","8","1") = "9"
    & skf18("5","9","6","10","2","9","1") = "9"
    & skf18("5","9","6","10","2","10","1") = "9"
    & skf18("5","9","6","10","3","1","1") = "9"
    & skf18("5","9","6","10","3","2","1") = "9"
    & skf18("5","9","6","10","3","3","1") = "9"
    & skf18("5","9","6","10","3","4","1") = "9"
    & skf18("5","9","6","10","3","5","1") = "9"
    & skf18("5","9","6","10","3","6","1") = "9"
    & skf18("5","9","6","10","3","7","1") = "9"
    & skf18("5","9","6","10","3","8","1") = "9"
    & skf18("5","9","6","10","3","9","1") = "9"
    & skf18("5","9","6","10","3","10","1") = "9"
    & skf18("5","9","6","10","4","1","1") = "9"
    & skf18("5","9","6","10","4","2","1") = "9"
    & skf18("5","9","6","10","4","3","1") = "9"
    & skf18("5","9","6","10","4","4","1") = "9"
    & skf18("5","9","6","10","4","5","1") = "9"
    & skf18("5","9","6","10","4","6","1") = "9"
    & skf18("5","9","6","10","4","7","1") = "9"
    & skf18("5","9","6","10","4","8","1") = "9"
    & skf18("5","9","6","10","4","9","1") = "9"
    & skf18("5","9","6","10","4","10","1") = "9"
    & skf18("5","9","6","10","5","1","1") = "9"
    & skf18("5","9","6","10","5","2","1") = "9"
    & skf18("5","9","6","10","5","3","1") = "9"
    & skf18("5","9","6","10","5","4","1") = "9"
    & skf18("5","9","6","10","5","5","1") = "9"
    & skf18("5","9","6","10","5","6","1") = "9"
    & skf18("5","9","6","10","5","7","1") = "9"
    & skf18("5","9","6","10","5","8","1") = "9"
    & skf18("5","9","6","10","5","9","1") = "9"
    & skf18("5","9","6","10","5","10","1") = "9"
    & skf18("5","9","6","10","6","1","1") = "9"
    & skf18("5","9","6","10","6","2","1") = "9"
    & skf18("5","9","6","10","6","3","1") = "9"
    & skf18("5","9","6","10","6","4","1") = "9"
    & skf18("5","9","6","10","6","5","1") = "9"
    & skf18("5","9","6","10","6","6","1") = "9"
    & skf18("5","9","6","10","6","7","1") = "9"
    & skf18("5","9","6","10","6","8","1") = "9"
    & skf18("5","9","6","10","6","9","1") = "9"
    & skf18("5","9","6","10","6","10","1") = "9"
    & skf18("5","9","6","10","7","1","1") = "9"
    & skf18("5","9","6","10","7","2","1") = "9"
    & skf18("5","9","6","10","7","3","1") = "9"
    & skf18("5","9","6","10","7","4","1") = "9"
    & skf18("5","9","6","10","7","5","1") = "9"
    & skf18("5","9","6","10","7","6","1") = "9"
    & skf18("5","9","6","10","7","7","1") = "9"
    & skf18("5","9","6","10","7","8","1") = "9"
    & skf18("5","9","6","10","7","9","1") = "9"
    & skf18("5","9","6","10","7","10","1") = "9"
    & skf18("5","9","6","10","8","1","1") = "9"
    & skf18("5","9","6","10","8","2","1") = "9"
    & skf18("5","9","6","10","8","3","1") = "9"
    & skf18("5","9","6","10","8","4","1") = "9"
    & skf18("5","9","6","10","8","5","1") = "9"
    & skf18("5","9","6","10","8","6","1") = "9"
    & skf18("5","9","6","10","8","7","1") = "9"
    & skf18("5","9","6","10","8","8","1") = "9"
    & skf18("5","9","6","10","8","9","1") = "9"
    & skf18("5","9","6","10","8","10","1") = "9"
    & skf18("5","9","6","10","9","1","1") = "9"
    & skf18("5","9","6","10","9","2","1") = "9"
    & skf18("5","9","6","10","9","3","1") = "9"
    & skf18("5","9","6","10","9","4","1") = "9"
    & skf18("5","9","6","10","9","5","1") = "9"
    & skf18("5","9","6","10","9","6","1") = "9"
    & skf18("5","9","6","10","9","7","1") = "9"
    & skf18("5","9","6","10","9","8","1") = "9"
    & skf18("5","9","6","10","9","9","1") = "9"
    & skf18("5","9","6","10","9","10","1") = "9"
    & skf18("5","9","6","10","10","1","1") = "9"
    & skf18("5","9","6","10","10","2","1") = "9"
    & skf18("5","9","6","10","10","3","1") = "9"
    & skf18("5","9","6","10","10","4","1") = "9"
    & skf18("5","9","6","10","10","5","1") = "9"
    & skf18("5","9","6","10","10","6","1") = "9"
    & skf18("5","9","6","10","10","7","1") = "9"
    & skf18("5","9","6","10","10","8","1") = "9"
    & skf18("5","9","6","10","10","9","1") = "9"
    & skf18("5","9","6","10","10","10","1") = "9"
    & skf18("5","9","7","1","1","1","1") = "8"
    & skf18("5","9","7","1","1","2","1") = "8"
    & skf18("5","9","7","1","1","3","1") = "8"
    & skf18("5","9","7","1","1","4","1") = "8"
    & skf18("5","9","7","1","1","5","1") = "8"
    & skf18("5","9","7","1","1","6","1") = "8"
    & skf18("5","9","7","1","1","7","1") = "8"
    & skf18("5","9","7","1","1","8","1") = "8"
    & skf18("5","9","7","1","1","9","1") = "8"
    & skf18("5","9","7","1","1","10","1") = "9"
    & skf18("5","9","7","1","2","1","1") = "8"
    & skf18("5","9","7","1","2","2","1") = "8"
    & skf18("5","9","7","1","2","3","1") = "8"
    & skf18("5","9","7","1","2","4","1") = "8"
    & skf18("5","9","7","1","2","5","1") = "8"
    & skf18("5","9","7","1","2","6","1") = "8"
    & skf18("5","9","7","1","2","7","1") = "8"
    & skf18("5","9","7","1","2","8","1") = "8"
    & skf18("5","9","7","1","2","9","1") = "8"
    & skf18("5","9","7","1","2","10","1") = "9"
    & skf18("5","9","7","1","3","1","1") = "8"
    & skf18("5","9","7","1","3","2","1") = "8"
    & skf18("5","9","7","1","3","3","1") = "8"
    & skf18("5","9","7","1","3","4","1") = "8"
    & skf18("5","9","7","1","3","5","1") = "8"
    & skf18("5","9","7","1","3","6","1") = "8"
    & skf18("5","9","7","1","3","7","1") = "8"
    & skf18("5","9","7","1","3","8","1") = "8"
    & skf18("5","9","7","1","3","9","1") = "8"
    & skf18("5","9","7","1","3","10","1") = "9"
    & skf18("5","9","7","1","4","1","1") = "8"
    & skf18("5","9","7","1","4","2","1") = "8"
    & skf18("5","9","7","1","4","3","1") = "8"
    & skf18("5","9","7","1","4","4","1") = "8"
    & skf18("5","9","7","1","4","5","1") = "8"
    & skf18("5","9","7","1","4","6","1") = "8"
    & skf18("5","9","7","1","4","7","1") = "8"
    & skf18("5","9","7","1","4","8","1") = "8"
    & skf18("5","9","7","1","4","9","1") = "8"
    & skf18("5","9","7","1","4","10","1") = "9"
    & skf18("5","9","7","1","5","1","1") = "8"
    & skf18("5","9","7","1","5","2","1") = "8"
    & skf18("5","9","7","1","5","3","1") = "8"
    & skf18("5","9","7","1","5","4","1") = "8"
    & skf18("5","9","7","1","5","5","1") = "8"
    & skf18("5","9","7","1","5","6","1") = "8"
    & skf18("5","9","7","1","5","7","1") = "8"
    & skf18("5","9","7","1","5","8","1") = "8"
    & skf18("5","9","7","1","5","9","1") = "8"
    & skf18("5","9","7","1","5","10","1") = "9"
    & skf18("5","9","7","1","6","1","1") = "8"
    & skf18("5","9","7","1","6","2","1") = "8"
    & skf18("5","9","7","1","6","3","1") = "8"
    & skf18("5","9","7","1","6","4","1") = "8"
    & skf18("5","9","7","1","6","5","1") = "8"
    & skf18("5","9","7","1","6","6","1") = "8"
    & skf18("5","9","7","1","6","7","1") = "8"
    & skf18("5","9","7","1","6","8","1") = "8"
    & skf18("5","9","7","1","6","9","1") = "8"
    & skf18("5","9","7","1","6","10","1") = "9"
    & skf18("5","9","7","1","7","1","1") = "8"
    & skf18("5","9","7","1","7","2","1") = "8"
    & skf18("5","9","7","1","7","3","1") = "8"
    & skf18("5","9","7","1","7","4","1") = "8"
    & skf18("5","9","7","1","7","5","1") = "8"
    & skf18("5","9","7","1","7","6","1") = "8"
    & skf18("5","9","7","1","7","7","1") = "8"
    & skf18("5","9","7","1","7","8","1") = "8"
    & skf18("5","9","7","1","7","9","1") = "8"
    & skf18("5","9","7","1","7","10","1") = "9"
    & skf18("5","9","7","1","8","1","1") = "8"
    & skf18("5","9","7","1","8","2","1") = "8"
    & skf18("5","9","7","1","8","3","1") = "8"
    & skf18("5","9","7","1","8","4","1") = "8"
    & skf18("5","9","7","1","8","5","1") = "8"
    & skf18("5","9","7","1","8","6","1") = "8"
    & skf18("5","9","7","1","8","7","1") = "8"
    & skf18("5","9","7","1","8","8","1") = "8"
    & skf18("5","9","7","1","8","9","1") = "8"
    & skf18("5","9","7","1","8","10","1") = "9"
    & skf18("5","9","7","1","9","1","1") = "8"
    & skf18("5","9","7","1","9","2","1") = "8"
    & skf18("5","9","7","1","9","3","1") = "8"
    & skf18("5","9","7","1","9","4","1") = "8"
    & skf18("5","9","7","1","9","5","1") = "8"
    & skf18("5","9","7","1","9","6","1") = "8"
    & skf18("5","9","7","1","9","7","1") = "8"
    & skf18("5","9","7","1","9","8","1") = "8"
    & skf18("5","9","7","1","9","9","1") = "8"
    & skf18("5","9","7","1","9","10","1") = "9"
    & skf18("5","9","7","1","10","1","1") = "9"
    & skf18("5","9","7","1","10","2","1") = "9"
    & skf18("5","9","7","1","10","3","1") = "9"
    & skf18("5","9","7","1","10","4","1") = "9"
    & skf18("5","9","7","1","10","5","1") = "9"
    & skf18("5","9","7","1","10","6","1") = "9"
    & skf18("5","9","7","1","10","7","1") = "9"
    & skf18("5","9","7","1","10","8","1") = "9"
    & skf18("5","9","7","1","10","9","1") = "9"
    & skf18("5","9","7","1","10","10","1") = "9"
    & skf18("5","9","7","2","1","1","1") = "8"
    & skf18("5","9","7","2","1","2","1") = "8"
    & skf18("5","9","7","2","1","3","1") = "8"
    & skf18("5","9","7","2","1","4","1") = "8"
    & skf18("5","9","7","2","1","5","1") = "8"
    & skf18("5","9","7","2","1","6","1") = "8"
    & skf18("5","9","7","2","1","7","1") = "8"
    & skf18("5","9","7","2","1","8","1") = "8"
    & skf18("5","9","7","2","1","9","1") = "8"
    & skf18("5","9","7","2","1","10","1") = "9"
    & skf18("5","9","7","2","2","1","1") = "8"
    & skf18("5","9","7","2","2","2","1") = "8"
    & skf18("5","9","7","2","2","3","1") = "8"
    & skf18("5","9","7","2","2","4","1") = "8"
    & skf18("5","9","7","2","2","5","1") = "8"
    & skf18("5","9","7","2","2","6","1") = "8"
    & skf18("5","9","7","2","2","7","1") = "8"
    & skf18("5","9","7","2","2","8","1") = "8"
    & skf18("5","9","7","2","2","9","1") = "8"
    & skf18("5","9","7","2","2","10","1") = "9"
    & skf18("5","9","7","2","3","1","1") = "8"
    & skf18("5","9","7","2","3","2","1") = "8"
    & skf18("5","9","7","2","3","3","1") = "8"
    & skf18("5","9","7","2","3","4","1") = "8"
    & skf18("5","9","7","2","3","5","1") = "8"
    & skf18("5","9","7","2","3","6","1") = "8"
    & skf18("5","9","7","2","3","7","1") = "8"
    & skf18("5","9","7","2","3","8","1") = "8"
    & skf18("5","9","7","2","3","9","1") = "8"
    & skf18("5","9","7","2","3","10","1") = "9"
    & skf18("5","9","7","2","4","1","1") = "8"
    & skf18("5","9","7","2","4","2","1") = "8"
    & skf18("5","9","7","2","4","3","1") = "8"
    & skf18("5","9","7","2","4","4","1") = "8"
    & skf18("5","9","7","2","4","5","1") = "8"
    & skf18("5","9","7","2","4","6","1") = "8"
    & skf18("5","9","7","2","4","7","1") = "8"
    & skf18("5","9","7","2","4","8","1") = "8"
    & skf18("5","9","7","2","4","9","1") = "8"
    & skf18("5","9","7","2","4","10","1") = "9"
    & skf18("5","9","7","2","5","1","1") = "8"
    & skf18("5","9","7","2","5","2","1") = "8"
    & skf18("5","9","7","2","5","3","1") = "8"
    & skf18("5","9","7","2","5","4","1") = "8"
    & skf18("5","9","7","2","5","5","1") = "8"
    & skf18("5","9","7","2","5","6","1") = "8"
    & skf18("5","9","7","2","5","7","1") = "8"
    & skf18("5","9","7","2","5","8","1") = "8"
    & skf18("5","9","7","2","5","9","1") = "8"
    & skf18("5","9","7","2","5","10","1") = "9"
    & skf18("5","9","7","2","6","1","1") = "8"
    & skf18("5","9","7","2","6","2","1") = "8"
    & skf18("5","9","7","2","6","3","1") = "8"
    & skf18("5","9","7","2","6","4","1") = "8"
    & skf18("5","9","7","2","6","5","1") = "8"
    & skf18("5","9","7","2","6","6","1") = "8"
    & skf18("5","9","7","2","6","7","1") = "8"
    & skf18("5","9","7","2","6","8","1") = "8"
    & skf18("5","9","7","2","6","9","1") = "8"
    & skf18("5","9","7","2","6","10","1") = "9"
    & skf18("5","9","7","2","7","1","1") = "8"
    & skf18("5","9","7","2","7","2","1") = "8"
    & skf18("5","9","7","2","7","3","1") = "8"
    & skf18("5","9","7","2","7","4","1") = "8"
    & skf18("5","9","7","2","7","5","1") = "8"
    & skf18("5","9","7","2","7","6","1") = "8"
    & skf18("5","9","7","2","7","7","1") = "8"
    & skf18("5","9","7","2","7","8","1") = "8"
    & skf18("5","9","7","2","7","9","1") = "8"
    & skf18("5","9","7","2","7","10","1") = "9"
    & skf18("5","9","7","2","8","1","1") = "8"
    & skf18("5","9","7","2","8","2","1") = "8"
    & skf18("5","9","7","2","8","3","1") = "8"
    & skf18("5","9","7","2","8","4","1") = "8"
    & skf18("5","9","7","2","8","5","1") = "8"
    & skf18("5","9","7","2","8","6","1") = "8"
    & skf18("5","9","7","2","8","7","1") = "8"
    & skf18("5","9","7","2","8","8","1") = "8"
    & skf18("5","9","7","2","8","9","1") = "8"
    & skf18("5","9","7","2","8","10","1") = "9"
    & skf18("5","9","7","2","9","1","1") = "8"
    & skf18("5","9","7","2","9","2","1") = "8"
    & skf18("5","9","7","2","9","3","1") = "8"
    & skf18("5","9","7","2","9","4","1") = "8"
    & skf18("5","9","7","2","9","5","1") = "8"
    & skf18("5","9","7","2","9","6","1") = "8"
    & skf18("5","9","7","2","9","7","1") = "8"
    & skf18("5","9","7","2","9","8","1") = "8"
    & skf18("5","9","7","2","9","9","1") = "8"
    & skf18("5","9","7","2","9","10","1") = "9"
    & skf18("5","9","7","2","10","1","1") = "9"
    & skf18("5","9","7","2","10","2","1") = "9"
    & skf18("5","9","7","2","10","3","1") = "9"
    & skf18("5","9","7","2","10","4","1") = "9"
    & skf18("5","9","7","2","10","5","1") = "9"
    & skf18("5","9","7","2","10","6","1") = "9"
    & skf18("5","9","7","2","10","7","1") = "9"
    & skf18("5","9","7","2","10","8","1") = "9"
    & skf18("5","9","7","2","10","9","1") = "9"
    & skf18("5","9","7","2","10","10","1") = "9"
    & skf18("5","9","7","3","1","1","1") = "8"
    & skf18("5","9","7","3","1","2","1") = "8"
    & skf18("5","9","7","3","1","3","1") = "8"
    & skf18("5","9","7","3","1","4","1") = "8"
    & skf18("5","9","7","3","1","5","1") = "8"
    & skf18("5","9","7","3","1","6","1") = "8"
    & skf18("5","9","7","3","1","7","1") = "8"
    & skf18("5","9","7","3","1","8","1") = "8"
    & skf18("5","9","7","3","1","9","1") = "8"
    & skf18("5","9","7","3","1","10","1") = "9"
    & skf18("5","9","7","3","2","1","1") = "8"
    & skf18("5","9","7","3","2","2","1") = "8"
    & skf18("5","9","7","3","2","3","1") = "8"
    & skf18("5","9","7","3","2","4","1") = "8"
    & skf18("5","9","7","3","2","5","1") = "8"
    & skf18("5","9","7","3","2","6","1") = "8"
    & skf18("5","9","7","3","2","7","1") = "8"
    & skf18("5","9","7","3","2","8","1") = "8"
    & skf18("5","9","7","3","2","9","1") = "8"
    & skf18("5","9","7","3","2","10","1") = "9"
    & skf18("5","9","7","3","3","1","1") = "8"
    & skf18("5","9","7","3","3","2","1") = "8"
    & skf18("5","9","7","3","3","3","1") = "8"
    & skf18("5","9","7","3","3","4","1") = "8"
    & skf18("5","9","7","3","3","5","1") = "8"
    & skf18("5","9","7","3","3","6","1") = "8"
    & skf18("5","9","7","3","3","7","1") = "8"
    & skf18("5","9","7","3","3","8","1") = "8"
    & skf18("5","9","7","3","3","9","1") = "8"
    & skf18("5","9","7","3","3","10","1") = "9"
    & skf18("5","9","7","3","4","1","1") = "8"
    & skf18("5","9","7","3","4","2","1") = "8"
    & skf18("5","9","7","3","4","3","1") = "8"
    & skf18("5","9","7","3","4","4","1") = "8"
    & skf18("5","9","7","3","4","5","1") = "8"
    & skf18("5","9","7","3","4","6","1") = "8"
    & skf18("5","9","7","3","4","7","1") = "8"
    & skf18("5","9","7","3","4","8","1") = "8"
    & skf18("5","9","7","3","4","9","1") = "8"
    & skf18("5","9","7","3","4","10","1") = "9"
    & skf18("5","9","7","3","5","1","1") = "8"
    & skf18("5","9","7","3","5","2","1") = "8"
    & skf18("5","9","7","3","5","3","1") = "8"
    & skf18("5","9","7","3","5","4","1") = "8"
    & skf18("5","9","7","3","5","5","1") = "8"
    & skf18("5","9","7","3","5","6","1") = "8"
    & skf18("5","9","7","3","5","7","1") = "8"
    & skf18("5","9","7","3","5","8","1") = "8"
    & skf18("5","9","7","3","5","9","1") = "8"
    & skf18("5","9","7","3","5","10","1") = "9"
    & skf18("5","9","7","3","6","1","1") = "8"
    & skf18("5","9","7","3","6","2","1") = "8"
    & skf18("5","9","7","3","6","3","1") = "8"
    & skf18("5","9","7","3","6","4","1") = "8"
    & skf18("5","9","7","3","6","5","1") = "8"
    & skf18("5","9","7","3","6","6","1") = "8"
    & skf18("5","9","7","3","6","7","1") = "8"
    & skf18("5","9","7","3","6","8","1") = "8"
    & skf18("5","9","7","3","6","9","1") = "8"
    & skf18("5","9","7","3","6","10","1") = "9"
    & skf18("5","9","7","3","7","1","1") = "8"
    & skf18("5","9","7","3","7","2","1") = "8"
    & skf18("5","9","7","3","7","3","1") = "8"
    & skf18("5","9","7","3","7","4","1") = "8"
    & skf18("5","9","7","3","7","5","1") = "8"
    & skf18("5","9","7","3","7","6","1") = "8"
    & skf18("5","9","7","3","7","7","1") = "8"
    & skf18("5","9","7","3","7","8","1") = "8"
    & skf18("5","9","7","3","7","9","1") = "8"
    & skf18("5","9","7","3","7","10","1") = "9"
    & skf18("5","9","7","3","8","1","1") = "8"
    & skf18("5","9","7","3","8","2","1") = "8"
    & skf18("5","9","7","3","8","3","1") = "8"
    & skf18("5","9","7","3","8","4","1") = "8"
    & skf18("5","9","7","3","8","5","1") = "8"
    & skf18("5","9","7","3","8","6","1") = "8"
    & skf18("5","9","7","3","8","7","1") = "8"
    & skf18("5","9","7","3","8","8","1") = "8"
    & skf18("5","9","7","3","8","9","1") = "8"
    & skf18("5","9","7","3","8","10","1") = "9"
    & skf18("5","9","7","3","9","1","1") = "8"
    & skf18("5","9","7","3","9","2","1") = "8"
    & skf18("5","9","7","3","9","3","1") = "8"
    & skf18("5","9","7","3","9","4","1") = "8"
    & skf18("5","9","7","3","9","5","1") = "8"
    & skf18("5","9","7","3","9","6","1") = "8"
    & skf18("5","9","7","3","9","7","1") = "8"
    & skf18("5","9","7","3","9","8","1") = "8"
    & skf18("5","9","7","3","9","9","1") = "8"
    & skf18("5","9","7","3","9","10","1") = "9"
    & skf18("5","9","7","3","10","1","1") = "9"
    & skf18("5","9","7","3","10","2","1") = "9"
    & skf18("5","9","7","3","10","3","1") = "9"
    & skf18("5","9","7","3","10","4","1") = "9"
    & skf18("5","9","7","3","10","5","1") = "9"
    & skf18("5","9","7","3","10","6","1") = "9"
    & skf18("5","9","7","3","10","7","1") = "9"
    & skf18("5","9","7","3","10","8","1") = "9"
    & skf18("5","9","7","3","10","9","1") = "9"
    & skf18("5","9","7","3","10","10","1") = "9"
    & skf18("5","9","7","4","1","1","1") = "8"
    & skf18("5","9","7","4","1","2","1") = "8"
    & skf18("5","9","7","4","1","3","1") = "8"
    & skf18("5","9","7","4","1","4","1") = "8"
    & skf18("5","9","7","4","1","5","1") = "8"
    & skf18("5","9","7","4","1","6","1") = "8"
    & skf18("5","9","7","4","1","7","1") = "8"
    & skf18("5","9","7","4","1","8","1") = "8"
    & skf18("5","9","7","4","1","9","1") = "8"
    & skf18("5","9","7","4","1","10","1") = "9"
    & skf18("5","9","7","4","2","1","1") = "8"
    & skf18("5","9","7","4","2","2","1") = "8"
    & skf18("5","9","7","4","2","3","1") = "8"
    & skf18("5","9","7","4","2","4","1") = "8"
    & skf18("5","9","7","4","2","5","1") = "8"
    & skf18("5","9","7","4","2","6","1") = "8"
    & skf18("5","9","7","4","2","7","1") = "8"
    & skf18("5","9","7","4","2","8","1") = "8"
    & skf18("5","9","7","4","2","9","1") = "8"
    & skf18("5","9","7","4","2","10","1") = "9"
    & skf18("5","9","7","4","3","1","1") = "8"
    & skf18("5","9","7","4","3","2","1") = "8"
    & skf18("5","9","7","4","3","3","1") = "8"
    & skf18("5","9","7","4","3","4","1") = "8"
    & skf18("5","9","7","4","3","5","1") = "8"
    & skf18("5","9","7","4","3","6","1") = "8"
    & skf18("5","9","7","4","3","7","1") = "8"
    & skf18("5","9","7","4","3","8","1") = "8"
    & skf18("5","9","7","4","3","9","1") = "8"
    & skf18("5","9","7","4","3","10","1") = "9"
    & skf18("5","9","7","4","4","1","1") = "8"
    & skf18("5","9","7","4","4","2","1") = "8"
    & skf18("5","9","7","4","4","3","1") = "8"
    & skf18("5","9","7","4","4","4","1") = "8"
    & skf18("5","9","7","4","4","5","1") = "8"
    & skf18("5","9","7","4","4","6","1") = "8"
    & skf18("5","9","7","4","4","7","1") = "8"
    & skf18("5","9","7","4","4","8","1") = "8"
    & skf18("5","9","7","4","4","9","1") = "8"
    & skf18("5","9","7","4","4","10","1") = "9"
    & skf18("5","9","7","4","5","1","1") = "8"
    & skf18("5","9","7","4","5","2","1") = "8"
    & skf18("5","9","7","4","5","3","1") = "8"
    & skf18("5","9","7","4","5","4","1") = "8"
    & skf18("5","9","7","4","5","5","1") = "8"
    & skf18("5","9","7","4","5","6","1") = "8"
    & skf18("5","9","7","4","5","7","1") = "8"
    & skf18("5","9","7","4","5","8","1") = "8"
    & skf18("5","9","7","4","5","9","1") = "8"
    & skf18("5","9","7","4","5","10","1") = "9"
    & skf18("5","9","7","4","6","1","1") = "8"
    & skf18("5","9","7","4","6","2","1") = "8"
    & skf18("5","9","7","4","6","3","1") = "8"
    & skf18("5","9","7","4","6","4","1") = "8"
    & skf18("5","9","7","4","6","5","1") = "8"
    & skf18("5","9","7","4","6","6","1") = "8"
    & skf18("5","9","7","4","6","7","1") = "8"
    & skf18("5","9","7","4","6","8","1") = "8"
    & skf18("5","9","7","4","6","9","1") = "8"
    & skf18("5","9","7","4","6","10","1") = "9"
    & skf18("5","9","7","4","7","1","1") = "8"
    & skf18("5","9","7","4","7","2","1") = "8"
    & skf18("5","9","7","4","7","3","1") = "8"
    & skf18("5","9","7","4","7","4","1") = "8"
    & skf18("5","9","7","4","7","5","1") = "8"
    & skf18("5","9","7","4","7","6","1") = "8"
    & skf18("5","9","7","4","7","7","1") = "8"
    & skf18("5","9","7","4","7","8","1") = "8"
    & skf18("5","9","7","4","7","9","1") = "8"
    & skf18("5","9","7","4","7","10","1") = "9"
    & skf18("5","9","7","4","8","1","1") = "8"
    & skf18("5","9","7","4","8","2","1") = "8"
    & skf18("5","9","7","4","8","3","1") = "8"
    & skf18("5","9","7","4","8","4","1") = "8"
    & skf18("5","9","7","4","8","5","1") = "8"
    & skf18("5","9","7","4","8","6","1") = "8"
    & skf18("5","9","7","4","8","7","1") = "8"
    & skf18("5","9","7","4","8","8","1") = "8"
    & skf18("5","9","7","4","8","9","1") = "8"
    & skf18("5","9","7","4","8","10","1") = "9"
    & skf18("5","9","7","4","9","1","1") = "8"
    & skf18("5","9","7","4","9","2","1") = "8"
    & skf18("5","9","7","4","9","3","1") = "8"
    & skf18("5","9","7","4","9","4","1") = "8"
    & skf18("5","9","7","4","9","5","1") = "8"
    & skf18("5","9","7","4","9","6","1") = "8"
    & skf18("5","9","7","4","9","7","1") = "8"
    & skf18("5","9","7","4","9","8","1") = "8"
    & skf18("5","9","7","4","9","9","1") = "8"
    & skf18("5","9","7","4","9","10","1") = "9"
    & skf18("5","9","7","4","10","1","1") = "9"
    & skf18("5","9","7","4","10","2","1") = "9"
    & skf18("5","9","7","4","10","3","1") = "9"
    & skf18("5","9","7","4","10","4","1") = "9"
    & skf18("5","9","7","4","10","5","1") = "9"
    & skf18("5","9","7","4","10","6","1") = "9"
    & skf18("5","9","7","4","10","7","1") = "9"
    & skf18("5","9","7","4","10","8","1") = "9"
    & skf18("5","9","7","4","10","9","1") = "9"
    & skf18("5","9","7","4","10","10","1") = "9"
    & skf18("5","9","7","5","1","1","1") = "8"
    & skf18("5","9","7","5","1","2","1") = "8"
    & skf18("5","9","7","5","1","3","1") = "8"
    & skf18("5","9","7","5","1","4","1") = "8"
    & skf18("5","9","7","5","1","5","1") = "8"
    & skf18("5","9","7","5","1","6","1") = "8"
    & skf18("5","9","7","5","1","7","1") = "8"
    & skf18("5","9","7","5","1","8","1") = "8"
    & skf18("5","9","7","5","1","9","1") = "8"
    & skf18("5","9","7","5","1","10","1") = "9"
    & skf18("5","9","7","5","2","1","1") = "8"
    & skf18("5","9","7","5","2","2","1") = "8"
    & skf18("5","9","7","5","2","3","1") = "8"
    & skf18("5","9","7","5","2","4","1") = "8"
    & skf18("5","9","7","5","2","5","1") = "8"
    & skf18("5","9","7","5","2","6","1") = "8"
    & skf18("5","9","7","5","2","7","1") = "8"
    & skf18("5","9","7","5","2","8","1") = "8"
    & skf18("5","9","7","5","2","9","1") = "8"
    & skf18("5","9","7","5","2","10","1") = "9"
    & skf18("5","9","7","5","3","1","1") = "8"
    & skf18("5","9","7","5","3","2","1") = "8"
    & skf18("5","9","7","5","3","3","1") = "8"
    & skf18("5","9","7","5","3","4","1") = "8"
    & skf18("5","9","7","5","3","5","1") = "8"
    & skf18("5","9","7","5","3","6","1") = "8"
    & skf18("5","9","7","5","3","7","1") = "8"
    & skf18("5","9","7","5","3","8","1") = "8"
    & skf18("5","9","7","5","3","9","1") = "8"
    & skf18("5","9","7","5","3","10","1") = "9"
    & skf18("5","9","7","5","4","1","1") = "8"
    & skf18("5","9","7","5","4","2","1") = "8"
    & skf18("5","9","7","5","4","3","1") = "8"
    & skf18("5","9","7","5","4","4","1") = "8"
    & skf18("5","9","7","5","4","5","1") = "8"
    & skf18("5","9","7","5","4","6","1") = "8"
    & skf18("5","9","7","5","4","7","1") = "8"
    & skf18("5","9","7","5","4","8","1") = "8"
    & skf18("5","9","7","5","4","9","1") = "8"
    & skf18("5","9","7","5","4","10","1") = "9"
    & skf18("5","9","7","5","5","1","1") = "8"
    & skf18("5","9","7","5","5","2","1") = "8"
    & skf18("5","9","7","5","5","3","1") = "8"
    & skf18("5","9","7","5","5","4","1") = "8"
    & skf18("5","9","7","5","5","5","1") = "8"
    & skf18("5","9","7","5","5","6","1") = "8"
    & skf18("5","9","7","5","5","7","1") = "8"
    & skf18("5","9","7","5","5","8","1") = "8"
    & skf18("5","9","7","5","5","9","1") = "8"
    & skf18("5","9","7","5","5","10","1") = "9"
    & skf18("5","9","7","5","6","1","1") = "8"
    & skf18("5","9","7","5","6","2","1") = "8"
    & skf18("5","9","7","5","6","3","1") = "8"
    & skf18("5","9","7","5","6","4","1") = "8"
    & skf18("5","9","7","5","6","5","1") = "8"
    & skf18("5","9","7","5","6","6","1") = "8"
    & skf18("5","9","7","5","6","7","1") = "8"
    & skf18("5","9","7","5","6","8","1") = "8"
    & skf18("5","9","7","5","6","9","1") = "8"
    & skf18("5","9","7","5","6","10","1") = "9"
    & skf18("5","9","7","5","7","1","1") = "8"
    & skf18("5","9","7","5","7","2","1") = "8"
    & skf18("5","9","7","5","7","3","1") = "8"
    & skf18("5","9","7","5","7","4","1") = "8"
    & skf18("5","9","7","5","7","5","1") = "8"
    & skf18("5","9","7","5","7","6","1") = "8"
    & skf18("5","9","7","5","7","7","1") = "8"
    & skf18("5","9","7","5","7","8","1") = "8"
    & skf18("5","9","7","5","7","9","1") = "8"
    & skf18("5","9","7","5","7","10","1") = "9"
    & skf18("5","9","7","5","8","1","1") = "8"
    & skf18("5","9","7","5","8","2","1") = "8"
    & skf18("5","9","7","5","8","3","1") = "8"
    & skf18("5","9","7","5","8","4","1") = "8"
    & skf18("5","9","7","5","8","5","1") = "8"
    & skf18("5","9","7","5","8","6","1") = "8"
    & skf18("5","9","7","5","8","7","1") = "8"
    & skf18("5","9","7","5","8","8","1") = "8"
    & skf18("5","9","7","5","8","9","1") = "8"
    & skf18("5","9","7","5","8","10","1") = "9"
    & skf18("5","9","7","5","9","1","1") = "8"
    & skf18("5","9","7","5","9","2","1") = "8"
    & skf18("5","9","7","5","9","3","1") = "8"
    & skf18("5","9","7","5","9","4","1") = "8"
    & skf18("5","9","7","5","9","5","1") = "8"
    & skf18("5","9","7","5","9","6","1") = "8"
    & skf18("5","9","7","5","9","7","1") = "8"
    & skf18("5","9","7","5","9","8","1") = "8"
    & skf18("5","9","7","5","9","9","1") = "8"
    & skf18("5","9","7","5","9","10","1") = "9"
    & skf18("5","9","7","5","10","1","1") = "9"
    & skf18("5","9","7","5","10","2","1") = "9"
    & skf18("5","9","7","5","10","3","1") = "9"
    & skf18("5","9","7","5","10","4","1") = "9"
    & skf18("5","9","7","5","10","5","1") = "9"
    & skf18("5","9","7","5","10","6","1") = "9"
    & skf18("5","9","7","5","10","7","1") = "9"
    & skf18("5","9","7","5","10","8","1") = "9"
    & skf18("5","9","7","5","10","9","1") = "9"
    & skf18("5","9","7","5","10","10","1") = "9"
    & skf18("5","9","7","6","1","1","1") = "8"
    & skf18("5","9","7","6","1","2","1") = "8"
    & skf18("5","9","7","6","1","3","1") = "8"
    & skf18("5","9","7","6","1","4","1") = "8"
    & skf18("5","9","7","6","1","5","1") = "8"
    & skf18("5","9","7","6","1","6","1") = "8"
    & skf18("5","9","7","6","1","7","1") = "8"
    & skf18("5","9","7","6","1","8","1") = "8"
    & skf18("5","9","7","6","1","9","1") = "8"
    & skf18("5","9","7","6","1","10","1") = "9"
    & skf18("5","9","7","6","2","1","1") = "8"
    & skf18("5","9","7","6","2","2","1") = "8"
    & skf18("5","9","7","6","2","3","1") = "8"
    & skf18("5","9","7","6","2","4","1") = "8"
    & skf18("5","9","7","6","2","5","1") = "8"
    & skf18("5","9","7","6","2","6","1") = "8"
    & skf18("5","9","7","6","2","7","1") = "8"
    & skf18("5","9","7","6","2","8","1") = "8"
    & skf18("5","9","7","6","2","9","1") = "8"
    & skf18("5","9","7","6","2","10","1") = "9"
    & skf18("5","9","7","6","3","1","1") = "8"
    & skf18("5","9","7","6","3","2","1") = "8"
    & skf18("5","9","7","6","3","3","1") = "8"
    & skf18("5","9","7","6","3","4","1") = "8"
    & skf18("5","9","7","6","3","5","1") = "8"
    & skf18("5","9","7","6","3","6","1") = "8"
    & skf18("5","9","7","6","3","7","1") = "8"
    & skf18("5","9","7","6","3","8","1") = "8"
    & skf18("5","9","7","6","3","9","1") = "8"
    & skf18("5","9","7","6","3","10","1") = "9"
    & skf18("5","9","7","6","4","1","1") = "8"
    & skf18("5","9","7","6","4","2","1") = "8"
    & skf18("5","9","7","6","4","3","1") = "8"
    & skf18("5","9","7","6","4","4","1") = "8"
    & skf18("5","9","7","6","4","5","1") = "8"
    & skf18("5","9","7","6","4","6","1") = "8"
    & skf18("5","9","7","6","4","7","1") = "8"
    & skf18("5","9","7","6","4","8","1") = "8"
    & skf18("5","9","7","6","4","9","1") = "8"
    & skf18("5","9","7","6","4","10","1") = "9"
    & skf18("5","9","7","6","5","1","1") = "8"
    & skf18("5","9","7","6","5","2","1") = "8"
    & skf18("5","9","7","6","5","3","1") = "8"
    & skf18("5","9","7","6","5","4","1") = "8"
    & skf18("5","9","7","6","5","5","1") = "8"
    & skf18("5","9","7","6","5","6","1") = "8"
    & skf18("5","9","7","6","5","7","1") = "8"
    & skf18("5","9","7","6","5","8","1") = "8"
    & skf18("5","9","7","6","5","9","1") = "8"
    & skf18("5","9","7","6","5","10","1") = "9"
    & skf18("5","9","7","6","6","1","1") = "8"
    & skf18("5","9","7","6","6","2","1") = "8"
    & skf18("5","9","7","6","6","3","1") = "8"
    & skf18("5","9","7","6","6","4","1") = "8"
    & skf18("5","9","7","6","6","5","1") = "8"
    & skf18("5","9","7","6","6","6","1") = "8"
    & skf18("5","9","7","6","6","7","1") = "8"
    & skf18("5","9","7","6","6","8","1") = "8"
    & skf18("5","9","7","6","6","9","1") = "8"
    & skf18("5","9","7","6","6","10","1") = "9"
    & skf18("5","9","7","6","7","1","1") = "8"
    & skf18("5","9","7","6","7","2","1") = "8"
    & skf18("5","9","7","6","7","3","1") = "8"
    & skf18("5","9","7","6","7","4","1") = "8"
    & skf18("5","9","7","6","7","5","1") = "8"
    & skf18("5","9","7","6","7","6","1") = "8"
    & skf18("5","9","7","6","7","7","1") = "8"
    & skf18("5","9","7","6","7","8","1") = "8"
    & skf18("5","9","7","6","7","9","1") = "8"
    & skf18("5","9","7","6","7","10","1") = "9"
    & skf18("5","9","7","6","8","1","1") = "8"
    & skf18("5","9","7","6","8","2","1") = "8"
    & skf18("5","9","7","6","8","3","1") = "8"
    & skf18("5","9","7","6","8","4","1") = "8"
    & skf18("5","9","7","6","8","5","1") = "8"
    & skf18("5","9","7","6","8","6","1") = "8"
    & skf18("5","9","7","6","8","7","1") = "8"
    & skf18("5","9","7","6","8","8","1") = "8"
    & skf18("5","9","7","6","8","9","1") = "8"
    & skf18("5","9","7","6","8","10","1") = "9"
    & skf18("5","9","7","6","9","1","1") = "8"
    & skf18("5","9","7","6","9","2","1") = "8"
    & skf18("5","9","7","6","9","3","1") = "8"
    & skf18("5","9","7","6","9","4","1") = "8"
    & skf18("5","9","7","6","9","5","1") = "8"
    & skf18("5","9","7","6","9","6","1") = "8"
    & skf18("5","9","7","6","9","7","1") = "8"
    & skf18("5","9","7","6","9","8","1") = "8"
    & skf18("5","9","7","6","9","9","1") = "8"
    & skf18("5","9","7","6","9","10","1") = "9"
    & skf18("5","9","7","6","10","1","1") = "9"
    & skf18("5","9","7","6","10","2","1") = "9"
    & skf18("5","9","7","6","10","3","1") = "9"
    & skf18("5","9","7","6","10","4","1") = "9"
    & skf18("5","9","7","6","10","5","1") = "9"
    & skf18("5","9","7","6","10","6","1") = "9"
    & skf18("5","9","7","6","10","7","1") = "9"
    & skf18("5","9","7","6","10","8","1") = "9"
    & skf18("5","9","7","6","10","9","1") = "9"
    & skf18("5","9","7","6","10","10","1") = "9"
    & skf18("5","9","7","7","1","1","1") = "8"
    & skf18("5","9","7","7","1","2","1") = "8"
    & skf18("5","9","7","7","1","3","1") = "8"
    & skf18("5","9","7","7","1","4","1") = "8"
    & skf18("5","9","7","7","1","5","1") = "8"
    & skf18("5","9","7","7","1","6","1") = "8"
    & skf18("5","9","7","7","1","7","1") = "8"
    & skf18("5","9","7","7","1","8","1") = "8"
    & skf18("5","9","7","7","1","9","1") = "8"
    & skf18("5","9","7","7","1","10","1") = "9"
    & skf18("5","9","7","7","2","1","1") = "8"
    & skf18("5","9","7","7","2","2","1") = "8"
    & skf18("5","9","7","7","2","3","1") = "8"
    & skf18("5","9","7","7","2","4","1") = "8"
    & skf18("5","9","7","7","2","5","1") = "8"
    & skf18("5","9","7","7","2","6","1") = "8"
    & skf18("5","9","7","7","2","7","1") = "8"
    & skf18("5","9","7","7","2","8","1") = "8"
    & skf18("5","9","7","7","2","9","1") = "8"
    & skf18("5","9","7","7","2","10","1") = "9"
    & skf18("5","9","7","7","3","1","1") = "8"
    & skf18("5","9","7","7","3","2","1") = "8"
    & skf18("5","9","7","7","3","3","1") = "8"
    & skf18("5","9","7","7","3","4","1") = "8"
    & skf18("5","9","7","7","3","5","1") = "8"
    & skf18("5","9","7","7","3","6","1") = "8"
    & skf18("5","9","7","7","3","7","1") = "8"
    & skf18("5","9","7","7","3","8","1") = "8"
    & skf18("5","9","7","7","3","9","1") = "8"
    & skf18("5","9","7","7","3","10","1") = "9"
    & skf18("5","9","7","7","4","1","1") = "8"
    & skf18("5","9","7","7","4","2","1") = "8"
    & skf18("5","9","7","7","4","3","1") = "8"
    & skf18("5","9","7","7","4","4","1") = "8"
    & skf18("5","9","7","7","4","5","1") = "8"
    & skf18("5","9","7","7","4","6","1") = "8"
    & skf18("5","9","7","7","4","7","1") = "8"
    & skf18("5","9","7","7","4","8","1") = "8"
    & skf18("5","9","7","7","4","9","1") = "8"
    & skf18("5","9","7","7","4","10","1") = "9"
    & skf18("5","9","7","7","5","1","1") = "8"
    & skf18("5","9","7","7","5","2","1") = "8"
    & skf18("5","9","7","7","5","3","1") = "8"
    & skf18("5","9","7","7","5","4","1") = "8"
    & skf18("5","9","7","7","5","5","1") = "8"
    & skf18("5","9","7","7","5","6","1") = "8"
    & skf18("5","9","7","7","5","7","1") = "8"
    & skf18("5","9","7","7","5","8","1") = "8"
    & skf18("5","9","7","7","5","9","1") = "8"
    & skf18("5","9","7","7","5","10","1") = "9"
    & skf18("5","9","7","7","6","1","1") = "8"
    & skf18("5","9","7","7","6","2","1") = "8"
    & skf18("5","9","7","7","6","3","1") = "8"
    & skf18("5","9","7","7","6","4","1") = "8"
    & skf18("5","9","7","7","6","5","1") = "8"
    & skf18("5","9","7","7","6","6","1") = "8"
    & skf18("5","9","7","7","6","7","1") = "8"
    & skf18("5","9","7","7","6","8","1") = "8"
    & skf18("5","9","7","7","6","9","1") = "8"
    & skf18("5","9","7","7","6","10","1") = "9"
    & skf18("5","9","7","7","7","1","1") = "8"
    & skf18("5","9","7","7","7","2","1") = "8"
    & skf18("5","9","7","7","7","3","1") = "8"
    & skf18("5","9","7","7","7","4","1") = "8"
    & skf18("5","9","7","7","7","5","1") = "8"
    & skf18("5","9","7","7","7","6","1") = "8"
    & skf18("5","9","7","7","7","7","1") = "8"
    & skf18("5","9","7","7","7","8","1") = "8"
    & skf18("5","9","7","7","7","9","1") = "8"
    & skf18("5","9","7","7","7","10","1") = "9"
    & skf18("5","9","7","7","8","1","1") = "8"
    & skf18("5","9","7","7","8","2","1") = "8"
    & skf18("5","9","7","7","8","3","1") = "8"
    & skf18("5","9","7","7","8","4","1") = "8"
    & skf18("5","9","7","7","8","5","1") = "8"
    & skf18("5","9","7","7","8","6","1") = "8"
    & skf18("5","9","7","7","8","7","1") = "8"
    & skf18("5","9","7","7","8","8","1") = "8"
    & skf18("5","9","7","7","8","9","1") = "8"
    & skf18("5","9","7","7","8","10","1") = "9"
    & skf18("5","9","7","7","9","1","1") = "8"
    & skf18("5","9","7","7","9","2","1") = "8"
    & skf18("5","9","7","7","9","3","1") = "8"
    & skf18("5","9","7","7","9","4","1") = "8"
    & skf18("5","9","7","7","9","5","1") = "8"
    & skf18("5","9","7","7","9","6","1") = "8"
    & skf18("5","9","7","7","9","7","1") = "8"
    & skf18("5","9","7","7","9","8","1") = "8"
    & skf18("5","9","7","7","9","9","1") = "8"
    & skf18("5","9","7","7","9","10","1") = "9"
    & skf18("5","9","7","7","10","1","1") = "9"
    & skf18("5","9","7","7","10","2","1") = "9"
    & skf18("5","9","7","7","10","3","1") = "9"
    & skf18("5","9","7","7","10","4","1") = "9"
    & skf18("5","9","7","7","10","5","1") = "9"
    & skf18("5","9","7","7","10","6","1") = "9"
    & skf18("5","9","7","7","10","7","1") = "9"
    & skf18("5","9","7","7","10","8","1") = "9"
    & skf18("5","9","7","7","10","9","1") = "9"
    & skf18("5","9","7","7","10","10","1") = "9"
    & skf18("5","9","7","8","1","1","1") = "8"
    & skf18("5","9","7","8","1","2","1") = "8"
    & skf18("5","9","7","8","1","3","1") = "8"
    & skf18("5","9","7","8","1","4","1") = "8"
    & skf18("5","9","7","8","1","5","1") = "8"
    & skf18("5","9","7","8","1","6","1") = "8"
    & skf18("5","9","7","8","1","7","1") = "8"
    & skf18("5","9","7","8","1","8","1") = "8"
    & skf18("5","9","7","8","1","9","1") = "8"
    & skf18("5","9","7","8","1","10","1") = "9"
    & skf18("5","9","7","8","2","1","1") = "8"
    & skf18("5","9","7","8","2","2","1") = "8"
    & skf18("5","9","7","8","2","3","1") = "8"
    & skf18("5","9","7","8","2","4","1") = "8"
    & skf18("5","9","7","8","2","5","1") = "8"
    & skf18("5","9","7","8","2","6","1") = "8"
    & skf18("5","9","7","8","2","7","1") = "8"
    & skf18("5","9","7","8","2","8","1") = "8"
    & skf18("5","9","7","8","2","9","1") = "8"
    & skf18("5","9","7","8","2","10","1") = "9"
    & skf18("5","9","7","8","3","1","1") = "8"
    & skf18("5","9","7","8","3","2","1") = "8"
    & skf18("5","9","7","8","3","3","1") = "8"
    & skf18("5","9","7","8","3","4","1") = "8"
    & skf18("5","9","7","8","3","5","1") = "8"
    & skf18("5","9","7","8","3","6","1") = "8"
    & skf18("5","9","7","8","3","7","1") = "8"
    & skf18("5","9","7","8","3","8","1") = "8"
    & skf18("5","9","7","8","3","9","1") = "8"
    & skf18("5","9","7","8","3","10","1") = "9"
    & skf18("5","9","7","8","4","1","1") = "8"
    & skf18("5","9","7","8","4","2","1") = "8"
    & skf18("5","9","7","8","4","3","1") = "8"
    & skf18("5","9","7","8","4","4","1") = "8"
    & skf18("5","9","7","8","4","5","1") = "8"
    & skf18("5","9","7","8","4","6","1") = "8"
    & skf18("5","9","7","8","4","7","1") = "8"
    & skf18("5","9","7","8","4","8","1") = "8"
    & skf18("5","9","7","8","4","9","1") = "8"
    & skf18("5","9","7","8","4","10","1") = "9"
    & skf18("5","9","7","8","5","1","1") = "8"
    & skf18("5","9","7","8","5","2","1") = "8"
    & skf18("5","9","7","8","5","3","1") = "8"
    & skf18("5","9","7","8","5","4","1") = "8"
    & skf18("5","9","7","8","5","5","1") = "8"
    & skf18("5","9","7","8","5","6","1") = "8"
    & skf18("5","9","7","8","5","7","1") = "8"
    & skf18("5","9","7","8","5","8","1") = "8"
    & skf18("5","9","7","8","5","9","1") = "8"
    & skf18("5","9","7","8","5","10","1") = "9"
    & skf18("5","9","7","8","6","1","1") = "8"
    & skf18("5","9","7","8","6","2","1") = "8"
    & skf18("5","9","7","8","6","3","1") = "8"
    & skf18("5","9","7","8","6","4","1") = "8"
    & skf18("5","9","7","8","6","5","1") = "8"
    & skf18("5","9","7","8","6","6","1") = "8"
    & skf18("5","9","7","8","6","7","1") = "8"
    & skf18("5","9","7","8","6","8","1") = "8"
    & skf18("5","9","7","8","6","9","1") = "8"
    & skf18("5","9","7","8","6","10","1") = "9"
    & skf18("5","9","7","8","7","1","1") = "8"
    & skf18("5","9","7","8","7","2","1") = "8"
    & skf18("5","9","7","8","7","3","1") = "8"
    & skf18("5","9","7","8","7","4","1") = "8"
    & skf18("5","9","7","8","7","5","1") = "8"
    & skf18("5","9","7","8","7","6","1") = "8"
    & skf18("5","9","7","8","7","7","1") = "8"
    & skf18("5","9","7","8","7","8","1") = "8"
    & skf18("5","9","7","8","7","9","1") = "8"
    & skf18("5","9","7","8","7","10","1") = "9"
    & skf18("5","9","7","8","8","1","1") = "8"
    & skf18("5","9","7","8","8","2","1") = "8"
    & skf18("5","9","7","8","8","3","1") = "8"
    & skf18("5","9","7","8","8","4","1") = "8"
    & skf18("5","9","7","8","8","5","1") = "8"
    & skf18("5","9","7","8","8","6","1") = "8"
    & skf18("5","9","7","8","8","7","1") = "8"
    & skf18("5","9","7","8","8","8","1") = "8"
    & skf18("5","9","7","8","8","9","1") = "8"
    & skf18("5","9","7","8","8","10","1") = "9"
    & skf18("5","9","7","8","9","1","1") = "8"
    & skf18("5","9","7","8","9","2","1") = "8"
    & skf18("5","9","7","8","9","3","1") = "8"
    & skf18("5","9","7","8","9","4","1") = "8"
    & skf18("5","9","7","8","9","5","1") = "8"
    & skf18("5","9","7","8","9","6","1") = "8"
    & skf18("5","9","7","8","9","7","1") = "8"
    & skf18("5","9","7","8","9","8","1") = "8"
    & skf18("5","9","7","8","9","9","1") = "8"
    & skf18("5","9","7","8","9","10","1") = "9"
    & skf18("5","9","7","8","10","1","1") = "9"
    & skf18("5","9","7","8","10","2","1") = "9"
    & skf18("5","9","7","8","10","3","1") = "9"
    & skf18("5","9","7","8","10","4","1") = "9"
    & skf18("5","9","7","8","10","5","1") = "9"
    & skf18("5","9","7","8","10","6","1") = "9"
    & skf18("5","9","7","8","10","7","1") = "9"
    & skf18("5","9","7","8","10","8","1") = "9"
    & skf18("5","9","7","8","10","9","1") = "9"
    & skf18("5","9","7","8","10","10","1") = "9"
    & skf18("5","9","7","9","1","1","1") = "8"
    & skf18("5","9","7","9","1","2","1") = "8"
    & skf18("5","9","7","9","1","3","1") = "8"
    & skf18("5","9","7","9","1","4","1") = "8"
    & skf18("5","9","7","9","1","5","1") = "8"
    & skf18("5","9","7","9","1","6","1") = "8"
    & skf18("5","9","7","9","1","7","1") = "8"
    & skf18("5","9","7","9","1","8","1") = "8"
    & skf18("5","9","7","9","1","9","1") = "8"
    & skf18("5","9","7","9","1","10","1") = "9"
    & skf18("5","9","7","9","2","1","1") = "8"
    & skf18("5","9","7","9","2","2","1") = "8"
    & skf18("5","9","7","9","2","3","1") = "8"
    & skf18("5","9","7","9","2","4","1") = "8"
    & skf18("5","9","7","9","2","5","1") = "8"
    & skf18("5","9","7","9","2","6","1") = "8"
    & skf18("5","9","7","9","2","7","1") = "8"
    & skf18("5","9","7","9","2","8","1") = "8"
    & skf18("5","9","7","9","2","9","1") = "8"
    & skf18("5","9","7","9","2","10","1") = "9"
    & skf18("5","9","7","9","3","1","1") = "8"
    & skf18("5","9","7","9","3","2","1") = "8"
    & skf18("5","9","7","9","3","3","1") = "8"
    & skf18("5","9","7","9","3","4","1") = "8"
    & skf18("5","9","7","9","3","5","1") = "8"
    & skf18("5","9","7","9","3","6","1") = "8"
    & skf18("5","9","7","9","3","7","1") = "8"
    & skf18("5","9","7","9","3","8","1") = "8"
    & skf18("5","9","7","9","3","9","1") = "8"
    & skf18("5","9","7","9","3","10","1") = "9"
    & skf18("5","9","7","9","4","1","1") = "8"
    & skf18("5","9","7","9","4","2","1") = "8"
    & skf18("5","9","7","9","4","3","1") = "8"
    & skf18("5","9","7","9","4","4","1") = "8"
    & skf18("5","9","7","9","4","5","1") = "8"
    & skf18("5","9","7","9","4","6","1") = "8"
    & skf18("5","9","7","9","4","7","1") = "8"
    & skf18("5","9","7","9","4","8","1") = "8"
    & skf18("5","9","7","9","4","9","1") = "8"
    & skf18("5","9","7","9","4","10","1") = "9"
    & skf18("5","9","7","9","5","1","1") = "8"
    & skf18("5","9","7","9","5","2","1") = "8"
    & skf18("5","9","7","9","5","3","1") = "8"
    & skf18("5","9","7","9","5","4","1") = "8"
    & skf18("5","9","7","9","5","5","1") = "8"
    & skf18("5","9","7","9","5","6","1") = "8"
    & skf18("5","9","7","9","5","7","1") = "8"
    & skf18("5","9","7","9","5","8","1") = "8"
    & skf18("5","9","7","9","5","9","1") = "8"
    & skf18("5","9","7","9","5","10","1") = "9"
    & skf18("5","9","7","9","6","1","1") = "8"
    & skf18("5","9","7","9","6","2","1") = "8"
    & skf18("5","9","7","9","6","3","1") = "8"
    & skf18("5","9","7","9","6","4","1") = "8"
    & skf18("5","9","7","9","6","5","1") = "8"
    & skf18("5","9","7","9","6","6","1") = "8"
    & skf18("5","9","7","9","6","7","1") = "8"
    & skf18("5","9","7","9","6","8","1") = "8"
    & skf18("5","9","7","9","6","9","1") = "8"
    & skf18("5","9","7","9","6","10","1") = "9"
    & skf18("5","9","7","9","7","1","1") = "8"
    & skf18("5","9","7","9","7","2","1") = "8"
    & skf18("5","9","7","9","7","3","1") = "8"
    & skf18("5","9","7","9","7","4","1") = "8"
    & skf18("5","9","7","9","7","5","1") = "8"
    & skf18("5","9","7","9","7","6","1") = "8"
    & skf18("5","9","7","9","7","7","1") = "8"
    & skf18("5","9","7","9","7","8","1") = "8"
    & skf18("5","9","7","9","7","9","1") = "8"
    & skf18("5","9","7","9","7","10","1") = "9"
    & skf18("5","9","7","9","8","1","1") = "8"
    & skf18("5","9","7","9","8","2","1") = "8"
    & skf18("5","9","7","9","8","3","1") = "8"
    & skf18("5","9","7","9","8","4","1") = "8"
    & skf18("5","9","7","9","8","5","1") = "8"
    & skf18("5","9","7","9","8","6","1") = "8"
    & skf18("5","9","7","9","8","7","1") = "8"
    & skf18("5","9","7","9","8","8","1") = "8"
    & skf18("5","9","7","9","8","9","1") = "8"
    & skf18("5","9","7","9","8","10","1") = "9"
    & skf18("5","9","7","9","9","1","1") = "8"
    & skf18("5","9","7","9","9","2","1") = "8"
    & skf18("5","9","7","9","9","3","1") = "8"
    & skf18("5","9","7","9","9","4","1") = "8"
    & skf18("5","9","7","9","9","5","1") = "8"
    & skf18("5","9","7","9","9","6","1") = "8"
    & skf18("5","9","7","9","9","7","1") = "8"
    & skf18("5","9","7","9","9","8","1") = "8"
    & skf18("5","9","7","9","9","9","1") = "8"
    & skf18("5","9","7","9","9","10","1") = "9"
    & skf18("5","9","7","9","10","1","1") = "9"
    & skf18("5","9","7","9","10","2","1") = "9"
    & skf18("5","9","7","9","10","3","1") = "9"
    & skf18("5","9","7","9","10","4","1") = "9"
    & skf18("5","9","7","9","10","5","1") = "9"
    & skf18("5","9","7","9","10","6","1") = "9"
    & skf18("5","9","7","9","10","7","1") = "9"
    & skf18("5","9","7","9","10","8","1") = "9"
    & skf18("5","9","7","9","10","9","1") = "9"
    & skf18("5","9","7","9","10","10","1") = "9"
    & skf18("5","9","7","10","1","1","1") = "9"
    & skf18("5","9","7","10","1","2","1") = "9"
    & skf18("5","9","7","10","1","3","1") = "9"
    & skf18("5","9","7","10","1","4","1") = "9"
    & skf18("5","9","7","10","1","5","1") = "9"
    & skf18("5","9","7","10","1","6","1") = "9"
    & skf18("5","9","7","10","1","7","1") = "9"
    & skf18("5","9","7","10","1","8","1") = "9"
    & skf18("5","9","7","10","1","9","1") = "9"
    & skf18("5","9","7","10","1","10","1") = "9"
    & skf18("5","9","7","10","2","1","1") = "9"
    & skf18("5","9","7","10","2","2","1") = "9"
    & skf18("5","9","7","10","2","3","1") = "9"
    & skf18("5","9","7","10","2","4","1") = "9"
    & skf18("5","9","7","10","2","5","1") = "9"
    & skf18("5","9","7","10","2","6","1") = "9"
    & skf18("5","9","7","10","2","7","1") = "9"
    & skf18("5","9","7","10","2","8","1") = "9"
    & skf18("5","9","7","10","2","9","1") = "9"
    & skf18("5","9","7","10","2","10","1") = "9"
    & skf18("5","9","7","10","3","1","1") = "9"
    & skf18("5","9","7","10","3","2","1") = "9"
    & skf18("5","9","7","10","3","3","1") = "9"
    & skf18("5","9","7","10","3","4","1") = "9"
    & skf18("5","9","7","10","3","5","1") = "9"
    & skf18("5","9","7","10","3","6","1") = "9"
    & skf18("5","9","7","10","3","7","1") = "9"
    & skf18("5","9","7","10","3","8","1") = "9"
    & skf18("5","9","7","10","3","9","1") = "9"
    & skf18("5","9","7","10","3","10","1") = "9"
    & skf18("5","9","7","10","4","1","1") = "9"
    & skf18("5","9","7","10","4","2","1") = "9"
    & skf18("5","9","7","10","4","3","1") = "9"
    & skf18("5","9","7","10","4","4","1") = "9"
    & skf18("5","9","7","10","4","5","1") = "9"
    & skf18("5","9","7","10","4","6","1") = "9"
    & skf18("5","9","7","10","4","7","1") = "9"
    & skf18("5","9","7","10","4","8","1") = "9"
    & skf18("5","9","7","10","4","9","1") = "9"
    & skf18("5","9","7","10","4","10","1") = "9"
    & skf18("5","9","7","10","5","1","1") = "9"
    & skf18("5","9","7","10","5","2","1") = "9"
    & skf18("5","9","7","10","5","3","1") = "9"
    & skf18("5","9","7","10","5","4","1") = "9"
    & skf18("5","9","7","10","5","5","1") = "9"
    & skf18("5","9","7","10","5","6","1") = "9"
    & skf18("5","9","7","10","5","7","1") = "9"
    & skf18("5","9","7","10","5","8","1") = "9"
    & skf18("5","9","7","10","5","9","1") = "9"
    & skf18("5","9","7","10","5","10","1") = "9"
    & skf18("5","9","7","10","6","1","1") = "9"
    & skf18("5","9","7","10","6","2","1") = "9"
    & skf18("5","9","7","10","6","3","1") = "9"
    & skf18("5","9","7","10","6","4","1") = "9"
    & skf18("5","9","7","10","6","5","1") = "9"
    & skf18("5","9","7","10","6","6","1") = "9"
    & skf18("5","9","7","10","6","7","1") = "9"
    & skf18("5","9","7","10","6","8","1") = "9"
    & skf18("5","9","7","10","6","9","1") = "9"
    & skf18("5","9","7","10","6","10","1") = "9"
    & skf18("5","9","7","10","7","1","1") = "9"
    & skf18("5","9","7","10","7","2","1") = "9"
    & skf18("5","9","7","10","7","3","1") = "9"
    & skf18("5","9","7","10","7","4","1") = "9"
    & skf18("5","9","7","10","7","5","1") = "9"
    & skf18("5","9","7","10","7","6","1") = "9"
    & skf18("5","9","7","10","7","7","1") = "9"
    & skf18("5","9","7","10","7","8","1") = "9"
    & skf18("5","9","7","10","7","9","1") = "9"
    & skf18("5","9","7","10","7","10","1") = "9"
    & skf18("5","9","7","10","8","1","1") = "9"
    & skf18("5","9","7","10","8","2","1") = "9"
    & skf18("5","9","7","10","8","3","1") = "9"
    & skf18("5","9","7","10","8","4","1") = "9"
    & skf18("5","9","7","10","8","5","1") = "9"
    & skf18("5","9","7","10","8","6","1") = "9"
    & skf18("5","9","7","10","8","7","1") = "9"
    & skf18("5","9","7","10","8","8","1") = "9"
    & skf18("5","9","7","10","8","9","1") = "9"
    & skf18("5","9","7","10","8","10","1") = "9"
    & skf18("5","9","7","10","9","1","1") = "9"
    & skf18("5","9","7","10","9","2","1") = "9"
    & skf18("5","9","7","10","9","3","1") = "9"
    & skf18("5","9","7","10","9","4","1") = "9"
    & skf18("5","9","7","10","9","5","1") = "9"
    & skf18("5","9","7","10","9","6","1") = "9"
    & skf18("5","9","7","10","9","7","1") = "9"
    & skf18("5","9","7","10","9","8","1") = "9"
    & skf18("5","9","7","10","9","9","1") = "9"
    & skf18("5","9","7","10","9","10","1") = "9"
    & skf18("5","9","7","10","10","1","1") = "9"
    & skf18("5","9","7","10","10","2","1") = "9"
    & skf18("5","9","7","10","10","3","1") = "9"
    & skf18("5","9","7","10","10","4","1") = "9"
    & skf18("5","9","7","10","10","5","1") = "9"
    & skf18("5","9","7","10","10","6","1") = "9"
    & skf18("5","9","7","10","10","7","1") = "9"
    & skf18("5","9","7","10","10","8","1") = "9"
    & skf18("5","9","7","10","10","9","1") = "9"
    & skf18("5","9","7","10","10","10","1") = "9"
    & skf18("5","9","8","1","1","1","1") = "8"
    & skf18("5","9","8","1","1","2","1") = "8"
    & skf18("5","9","8","1","1","3","1") = "8"
    & skf18("5","9","8","1","1","4","1") = "8"
    & skf18("5","9","8","1","1","5","1") = "8"
    & skf18("5","9","8","1","1","6","1") = "8"
    & skf18("5","9","8","1","1","7","1") = "8"
    & skf18("5","9","8","1","1","8","1") = "8"
    & skf18("5","9","8","1","1","9","1") = "8"
    & skf18("5","9","8","1","1","10","1") = "9"
    & skf18("5","9","8","1","2","1","1") = "8"
    & skf18("5","9","8","1","2","2","1") = "8"
    & skf18("5","9","8","1","2","3","1") = "8"
    & skf18("5","9","8","1","2","4","1") = "8"
    & skf18("5","9","8","1","2","5","1") = "8"
    & skf18("5","9","8","1","2","6","1") = "8"
    & skf18("5","9","8","1","2","7","1") = "8"
    & skf18("5","9","8","1","2","8","1") = "8"
    & skf18("5","9","8","1","2","9","1") = "8"
    & skf18("5","9","8","1","2","10","1") = "9"
    & skf18("5","9","8","1","3","1","1") = "8"
    & skf18("5","9","8","1","3","2","1") = "8"
    & skf18("5","9","8","1","3","3","1") = "8"
    & skf18("5","9","8","1","3","4","1") = "8"
    & skf18("5","9","8","1","3","5","1") = "8"
    & skf18("5","9","8","1","3","6","1") = "8"
    & skf18("5","9","8","1","3","7","1") = "8"
    & skf18("5","9","8","1","3","8","1") = "8"
    & skf18("5","9","8","1","3","9","1") = "8"
    & skf18("5","9","8","1","3","10","1") = "9"
    & skf18("5","9","8","1","4","1","1") = "8"
    & skf18("5","9","8","1","4","2","1") = "8"
    & skf18("5","9","8","1","4","3","1") = "8"
    & skf18("5","9","8","1","4","4","1") = "8"
    & skf18("5","9","8","1","4","5","1") = "8"
    & skf18("5","9","8","1","4","6","1") = "8"
    & skf18("5","9","8","1","4","7","1") = "8"
    & skf18("5","9","8","1","4","8","1") = "8"
    & skf18("5","9","8","1","4","9","1") = "8"
    & skf18("5","9","8","1","4","10","1") = "9"
    & skf18("5","9","8","1","5","1","1") = "8"
    & skf18("5","9","8","1","5","2","1") = "8"
    & skf18("5","9","8","1","5","3","1") = "8"
    & skf18("5","9","8","1","5","4","1") = "8"
    & skf18("5","9","8","1","5","5","1") = "8"
    & skf18("5","9","8","1","5","6","1") = "8"
    & skf18("5","9","8","1","5","7","1") = "8"
    & skf18("5","9","8","1","5","8","1") = "8"
    & skf18("5","9","8","1","5","9","1") = "8"
    & skf18("5","9","8","1","5","10","1") = "9"
    & skf18("5","9","8","1","6","1","1") = "8"
    & skf18("5","9","8","1","6","2","1") = "8"
    & skf18("5","9","8","1","6","3","1") = "8"
    & skf18("5","9","8","1","6","4","1") = "8"
    & skf18("5","9","8","1","6","5","1") = "8"
    & skf18("5","9","8","1","6","6","1") = "8"
    & skf18("5","9","8","1","6","7","1") = "8"
    & skf18("5","9","8","1","6","8","1") = "8"
    & skf18("5","9","8","1","6","9","1") = "8"
    & skf18("5","9","8","1","6","10","1") = "9"
    & skf18("5","9","8","1","7","1","1") = "8"
    & skf18("5","9","8","1","7","2","1") = "8"
    & skf18("5","9","8","1","7","3","1") = "8"
    & skf18("5","9","8","1","7","4","1") = "8"
    & skf18("5","9","8","1","7","5","1") = "8"
    & skf18("5","9","8","1","7","6","1") = "8"
    & skf18("5","9","8","1","7","7","1") = "8"
    & skf18("5","9","8","1","7","8","1") = "8"
    & skf18("5","9","8","1","7","9","1") = "8"
    & skf18("5","9","8","1","7","10","1") = "9"
    & skf18("5","9","8","1","8","1","1") = "8"
    & skf18("5","9","8","1","8","2","1") = "8"
    & skf18("5","9","8","1","8","3","1") = "8"
    & skf18("5","9","8","1","8","4","1") = "8"
    & skf18("5","9","8","1","8","5","1") = "8"
    & skf18("5","9","8","1","8","6","1") = "8"
    & skf18("5","9","8","1","8","7","1") = "8"
    & skf18("5","9","8","1","8","8","1") = "8"
    & skf18("5","9","8","1","8","9","1") = "8"
    & skf18("5","9","8","1","8","10","1") = "9"
    & skf18("5","9","8","1","9","1","1") = "8"
    & skf18("5","9","8","1","9","2","1") = "8"
    & skf18("5","9","8","1","9","3","1") = "8"
    & skf18("5","9","8","1","9","4","1") = "8"
    & skf18("5","9","8","1","9","5","1") = "8"
    & skf18("5","9","8","1","9","6","1") = "8"
    & skf18("5","9","8","1","9","7","1") = "8"
    & skf18("5","9","8","1","9","8","1") = "8"
    & skf18("5","9","8","1","9","9","1") = "8"
    & skf18("5","9","8","1","9","10","1") = "9"
    & skf18("5","9","8","1","10","1","1") = "9"
    & skf18("5","9","8","1","10","2","1") = "9"
    & skf18("5","9","8","1","10","3","1") = "9"
    & skf18("5","9","8","1","10","4","1") = "9"
    & skf18("5","9","8","1","10","5","1") = "9"
    & skf18("5","9","8","1","10","6","1") = "9"
    & skf18("5","9","8","1","10","7","1") = "9"
    & skf18("5","9","8","1","10","8","1") = "9"
    & skf18("5","9","8","1","10","9","1") = "9"
    & skf18("5","9","8","1","10","10","1") = "9"
    & skf18("5","9","8","2","1","1","1") = "8"
    & skf18("5","9","8","2","1","2","1") = "8"
    & skf18("5","9","8","2","1","3","1") = "8"
    & skf18("5","9","8","2","1","4","1") = "8"
    & skf18("5","9","8","2","1","5","1") = "8"
    & skf18("5","9","8","2","1","6","1") = "8"
    & skf18("5","9","8","2","1","7","1") = "8"
    & skf18("5","9","8","2","1","8","1") = "8"
    & skf18("5","9","8","2","1","9","1") = "8"
    & skf18("5","9","8","2","1","10","1") = "9"
    & skf18("5","9","8","2","2","1","1") = "8"
    & skf18("5","9","8","2","2","2","1") = "8"
    & skf18("5","9","8","2","2","3","1") = "8"
    & skf18("5","9","8","2","2","4","1") = "8"
    & skf18("5","9","8","2","2","5","1") = "8"
    & skf18("5","9","8","2","2","6","1") = "8"
    & skf18("5","9","8","2","2","7","1") = "8"
    & skf18("5","9","8","2","2","8","1") = "8"
    & skf18("5","9","8","2","2","9","1") = "8"
    & skf18("5","9","8","2","2","10","1") = "9"
    & skf18("5","9","8","2","3","1","1") = "8"
    & skf18("5","9","8","2","3","2","1") = "8"
    & skf18("5","9","8","2","3","3","1") = "8"
    & skf18("5","9","8","2","3","4","1") = "8"
    & skf18("5","9","8","2","3","5","1") = "8"
    & skf18("5","9","8","2","3","6","1") = "8"
    & skf18("5","9","8","2","3","7","1") = "8"
    & skf18("5","9","8","2","3","8","1") = "8"
    & skf18("5","9","8","2","3","9","1") = "8"
    & skf18("5","9","8","2","3","10","1") = "9"
    & skf18("5","9","8","2","4","1","1") = "8"
    & skf18("5","9","8","2","4","2","1") = "8"
    & skf18("5","9","8","2","4","3","1") = "8"
    & skf18("5","9","8","2","4","4","1") = "8"
    & skf18("5","9","8","2","4","5","1") = "8"
    & skf18("5","9","8","2","4","6","1") = "8"
    & skf18("5","9","8","2","4","7","1") = "8"
    & skf18("5","9","8","2","4","8","1") = "8"
    & skf18("5","9","8","2","4","9","1") = "8"
    & skf18("5","9","8","2","4","10","1") = "9"
    & skf18("5","9","8","2","5","1","1") = "8"
    & skf18("5","9","8","2","5","2","1") = "8"
    & skf18("5","9","8","2","5","3","1") = "8"
    & skf18("5","9","8","2","5","4","1") = "8"
    & skf18("5","9","8","2","5","5","1") = "8"
    & skf18("5","9","8","2","5","6","1") = "8"
    & skf18("5","9","8","2","5","7","1") = "8"
    & skf18("5","9","8","2","5","8","1") = "8"
    & skf18("5","9","8","2","5","9","1") = "8"
    & skf18("5","9","8","2","5","10","1") = "9"
    & skf18("5","9","8","2","6","1","1") = "8"
    & skf18("5","9","8","2","6","2","1") = "8"
    & skf18("5","9","8","2","6","3","1") = "8"
    & skf18("5","9","8","2","6","4","1") = "8"
    & skf18("5","9","8","2","6","5","1") = "8"
    & skf18("5","9","8","2","6","6","1") = "8"
    & skf18("5","9","8","2","6","7","1") = "8"
    & skf18("5","9","8","2","6","8","1") = "8"
    & skf18("5","9","8","2","6","9","1") = "8"
    & skf18("5","9","8","2","6","10","1") = "9"
    & skf18("5","9","8","2","7","1","1") = "8"
    & skf18("5","9","8","2","7","2","1") = "8"
    & skf18("5","9","8","2","7","3","1") = "8"
    & skf18("5","9","8","2","7","4","1") = "8"
    & skf18("5","9","8","2","7","5","1") = "8"
    & skf18("5","9","8","2","7","6","1") = "8"
    & skf18("5","9","8","2","7","7","1") = "8"
    & skf18("5","9","8","2","7","8","1") = "8"
    & skf18("5","9","8","2","7","9","1") = "8"
    & skf18("5","9","8","2","7","10","1") = "9"
    & skf18("5","9","8","2","8","1","1") = "8"
    & skf18("5","9","8","2","8","2","1") = "8"
    & skf18("5","9","8","2","8","3","1") = "8"
    & skf18("5","9","8","2","8","4","1") = "8"
    & skf18("5","9","8","2","8","5","1") = "8"
    & skf18("5","9","8","2","8","6","1") = "8"
    & skf18("5","9","8","2","8","7","1") = "8"
    & skf18("5","9","8","2","8","8","1") = "8"
    & skf18("5","9","8","2","8","9","1") = "8"
    & skf18("5","9","8","2","8","10","1") = "9"
    & skf18("5","9","8","2","9","1","1") = "8"
    & skf18("5","9","8","2","9","2","1") = "8"
    & skf18("5","9","8","2","9","3","1") = "8"
    & skf18("5","9","8","2","9","4","1") = "8"
    & skf18("5","9","8","2","9","5","1") = "8"
    & skf18("5","9","8","2","9","6","1") = "8"
    & skf18("5","9","8","2","9","7","1") = "8"
    & skf18("5","9","8","2","9","8","1") = "8"
    & skf18("5","9","8","2","9","9","1") = "8"
    & skf18("5","9","8","2","9","10","1") = "9"
    & skf18("5","9","8","2","10","1","1") = "9"
    & skf18("5","9","8","2","10","2","1") = "9"
    & skf18("5","9","8","2","10","3","1") = "9"
    & skf18("5","9","8","2","10","4","1") = "9"
    & skf18("5","9","8","2","10","5","1") = "9"
    & skf18("5","9","8","2","10","6","1") = "9"
    & skf18("5","9","8","2","10","7","1") = "9"
    & skf18("5","9","8","2","10","8","1") = "9"
    & skf18("5","9","8","2","10","9","1") = "9"
    & skf18("5","9","8","2","10","10","1") = "9"
    & skf18("5","9","8","3","1","1","1") = "8"
    & skf18("5","9","8","3","1","2","1") = "8"
    & skf18("5","9","8","3","1","3","1") = "8"
    & skf18("5","9","8","3","1","4","1") = "8"
    & skf18("5","9","8","3","1","5","1") = "8"
    & skf18("5","9","8","3","1","6","1") = "8"
    & skf18("5","9","8","3","1","7","1") = "8"
    & skf18("5","9","8","3","1","8","1") = "8"
    & skf18("5","9","8","3","1","9","1") = "8"
    & skf18("5","9","8","3","1","10","1") = "9"
    & skf18("5","9","8","3","2","1","1") = "8"
    & skf18("5","9","8","3","2","2","1") = "8"
    & skf18("5","9","8","3","2","3","1") = "8"
    & skf18("5","9","8","3","2","4","1") = "8"
    & skf18("5","9","8","3","2","5","1") = "8"
    & skf18("5","9","8","3","2","6","1") = "8"
    & skf18("5","9","8","3","2","7","1") = "8"
    & skf18("5","9","8","3","2","8","1") = "8"
    & skf18("5","9","8","3","2","9","1") = "8"
    & skf18("5","9","8","3","2","10","1") = "9"
    & skf18("5","9","8","3","3","1","1") = "8"
    & skf18("5","9","8","3","3","2","1") = "8"
    & skf18("5","9","8","3","3","3","1") = "8"
    & skf18("5","9","8","3","3","4","1") = "8"
    & skf18("5","9","8","3","3","5","1") = "8"
    & skf18("5","9","8","3","3","6","1") = "8"
    & skf18("5","9","8","3","3","7","1") = "8"
    & skf18("5","9","8","3","3","8","1") = "8"
    & skf18("5","9","8","3","3","9","1") = "8"
    & skf18("5","9","8","3","3","10","1") = "9"
    & skf18("5","9","8","3","4","1","1") = "8"
    & skf18("5","9","8","3","4","2","1") = "8"
    & skf18("5","9","8","3","4","3","1") = "8"
    & skf18("5","9","8","3","4","4","1") = "8"
    & skf18("5","9","8","3","4","5","1") = "8"
    & skf18("5","9","8","3","4","6","1") = "8"
    & skf18("5","9","8","3","4","7","1") = "8"
    & skf18("5","9","8","3","4","8","1") = "8"
    & skf18("5","9","8","3","4","9","1") = "8"
    & skf18("5","9","8","3","4","10","1") = "9"
    & skf18("5","9","8","3","5","1","1") = "8"
    & skf18("5","9","8","3","5","2","1") = "8"
    & skf18("5","9","8","3","5","3","1") = "8"
    & skf18("5","9","8","3","5","4","1") = "8"
    & skf18("5","9","8","3","5","5","1") = "8"
    & skf18("5","9","8","3","5","6","1") = "8"
    & skf18("5","9","8","3","5","7","1") = "8"
    & skf18("5","9","8","3","5","8","1") = "8"
    & skf18("5","9","8","3","5","9","1") = "8"
    & skf18("5","9","8","3","5","10","1") = "9"
    & skf18("5","9","8","3","6","1","1") = "8"
    & skf18("5","9","8","3","6","2","1") = "8"
    & skf18("5","9","8","3","6","3","1") = "8"
    & skf18("5","9","8","3","6","4","1") = "8"
    & skf18("5","9","8","3","6","5","1") = "8"
    & skf18("5","9","8","3","6","6","1") = "8"
    & skf18("5","9","8","3","6","7","1") = "8"
    & skf18("5","9","8","3","6","8","1") = "8"
    & skf18("5","9","8","3","6","9","1") = "8"
    & skf18("5","9","8","3","6","10","1") = "9"
    & skf18("5","9","8","3","7","1","1") = "8"
    & skf18("5","9","8","3","7","2","1") = "8"
    & skf18("5","9","8","3","7","3","1") = "8"
    & skf18("5","9","8","3","7","4","1") = "8"
    & skf18("5","9","8","3","7","5","1") = "8"
    & skf18("5","9","8","3","7","6","1") = "8"
    & skf18("5","9","8","3","7","7","1") = "8"
    & skf18("5","9","8","3","7","8","1") = "8"
    & skf18("5","9","8","3","7","9","1") = "8"
    & skf18("5","9","8","3","7","10","1") = "9"
    & skf18("5","9","8","3","8","1","1") = "8"
    & skf18("5","9","8","3","8","2","1") = "8"
    & skf18("5","9","8","3","8","3","1") = "8"
    & skf18("5","9","8","3","8","4","1") = "8"
    & skf18("5","9","8","3","8","5","1") = "8"
    & skf18("5","9","8","3","8","6","1") = "8"
    & skf18("5","9","8","3","8","7","1") = "8"
    & skf18("5","9","8","3","8","8","1") = "8"
    & skf18("5","9","8","3","8","9","1") = "8"
    & skf18("5","9","8","3","8","10","1") = "9"
    & skf18("5","9","8","3","9","1","1") = "8"
    & skf18("5","9","8","3","9","2","1") = "8"
    & skf18("5","9","8","3","9","3","1") = "8"
    & skf18("5","9","8","3","9","4","1") = "8"
    & skf18("5","9","8","3","9","5","1") = "8"
    & skf18("5","9","8","3","9","6","1") = "8"
    & skf18("5","9","8","3","9","7","1") = "8"
    & skf18("5","9","8","3","9","8","1") = "8"
    & skf18("5","9","8","3","9","9","1") = "8"
    & skf18("5","9","8","3","9","10","1") = "9"
    & skf18("5","9","8","3","10","1","1") = "9"
    & skf18("5","9","8","3","10","2","1") = "9"
    & skf18("5","9","8","3","10","3","1") = "9"
    & skf18("5","9","8","3","10","4","1") = "9"
    & skf18("5","9","8","3","10","5","1") = "9"
    & skf18("5","9","8","3","10","6","1") = "9"
    & skf18("5","9","8","3","10","7","1") = "9"
    & skf18("5","9","8","3","10","8","1") = "9"
    & skf18("5","9","8","3","10","9","1") = "9"
    & skf18("5","9","8","3","10","10","1") = "9"
    & skf18("5","9","8","4","1","1","1") = "8"
    & skf18("5","9","8","4","1","2","1") = "8"
    & skf18("5","9","8","4","1","3","1") = "8"
    & skf18("5","9","8","4","1","4","1") = "8"
    & skf18("5","9","8","4","1","5","1") = "8"
    & skf18("5","9","8","4","1","6","1") = "8"
    & skf18("5","9","8","4","1","7","1") = "8"
    & skf18("5","9","8","4","1","8","1") = "8"
    & skf18("5","9","8","4","1","9","1") = "8"
    & skf18("5","9","8","4","1","10","1") = "9"
    & skf18("5","9","8","4","2","1","1") = "8"
    & skf18("5","9","8","4","2","2","1") = "8"
    & skf18("5","9","8","4","2","3","1") = "8"
    & skf18("5","9","8","4","2","4","1") = "8"
    & skf18("5","9","8","4","2","5","1") = "8"
    & skf18("5","9","8","4","2","6","1") = "8"
    & skf18("5","9","8","4","2","7","1") = "8"
    & skf18("5","9","8","4","2","8","1") = "8"
    & skf18("5","9","8","4","2","9","1") = "8"
    & skf18("5","9","8","4","2","10","1") = "9"
    & skf18("5","9","8","4","3","1","1") = "8"
    & skf18("5","9","8","4","3","2","1") = "8"
    & skf18("5","9","8","4","3","3","1") = "8"
    & skf18("5","9","8","4","3","4","1") = "8"
    & skf18("5","9","8","4","3","5","1") = "8"
    & skf18("5","9","8","4","3","6","1") = "8"
    & skf18("5","9","8","4","3","7","1") = "8"
    & skf18("5","9","8","4","3","8","1") = "8"
    & skf18("5","9","8","4","3","9","1") = "8"
    & skf18("5","9","8","4","3","10","1") = "9"
    & skf18("5","9","8","4","4","1","1") = "8"
    & skf18("5","9","8","4","4","2","1") = "8"
    & skf18("5","9","8","4","4","3","1") = "8"
    & skf18("5","9","8","4","4","4","1") = "8"
    & skf18("5","9","8","4","4","5","1") = "8"
    & skf18("5","9","8","4","4","6","1") = "8"
    & skf18("5","9","8","4","4","7","1") = "8"
    & skf18("5","9","8","4","4","8","1") = "8"
    & skf18("5","9","8","4","4","9","1") = "8"
    & skf18("5","9","8","4","4","10","1") = "9"
    & skf18("5","9","8","4","5","1","1") = "8"
    & skf18("5","9","8","4","5","2","1") = "8"
    & skf18("5","9","8","4","5","3","1") = "8"
    & skf18("5","9","8","4","5","4","1") = "8"
    & skf18("5","9","8","4","5","5","1") = "8"
    & skf18("5","9","8","4","5","6","1") = "8"
    & skf18("5","9","8","4","5","7","1") = "8"
    & skf18("5","9","8","4","5","8","1") = "8"
    & skf18("5","9","8","4","5","9","1") = "8"
    & skf18("5","9","8","4","5","10","1") = "9"
    & skf18("5","9","8","4","6","1","1") = "8"
    & skf18("5","9","8","4","6","2","1") = "8"
    & skf18("5","9","8","4","6","3","1") = "8"
    & skf18("5","9","8","4","6","4","1") = "8"
    & skf18("5","9","8","4","6","5","1") = "8"
    & skf18("5","9","8","4","6","6","1") = "8"
    & skf18("5","9","8","4","6","7","1") = "8"
    & skf18("5","9","8","4","6","8","1") = "8"
    & skf18("5","9","8","4","6","9","1") = "8"
    & skf18("5","9","8","4","6","10","1") = "9"
    & skf18("5","9","8","4","7","1","1") = "8"
    & skf18("5","9","8","4","7","2","1") = "8"
    & skf18("5","9","8","4","7","3","1") = "8"
    & skf18("5","9","8","4","7","4","1") = "8"
    & skf18("5","9","8","4","7","5","1") = "8"
    & skf18("5","9","8","4","7","6","1") = "8"
    & skf18("5","9","8","4","7","7","1") = "8"
    & skf18("5","9","8","4","7","8","1") = "8"
    & skf18("5","9","8","4","7","9","1") = "8"
    & skf18("5","9","8","4","7","10","1") = "9"
    & skf18("5","9","8","4","8","1","1") = "8"
    & skf18("5","9","8","4","8","2","1") = "8"
    & skf18("5","9","8","4","8","3","1") = "8"
    & skf18("5","9","8","4","8","4","1") = "8"
    & skf18("5","9","8","4","8","5","1") = "8"
    & skf18("5","9","8","4","8","6","1") = "8"
    & skf18("5","9","8","4","8","7","1") = "8"
    & skf18("5","9","8","4","8","8","1") = "8"
    & skf18("5","9","8","4","8","9","1") = "8"
    & skf18("5","9","8","4","8","10","1") = "9"
    & skf18("5","9","8","4","9","1","1") = "8"
    & skf18("5","9","8","4","9","2","1") = "8"
    & skf18("5","9","8","4","9","3","1") = "8"
    & skf18("5","9","8","4","9","4","1") = "8"
    & skf18("5","9","8","4","9","5","1") = "8"
    & skf18("5","9","8","4","9","6","1") = "8"
    & skf18("5","9","8","4","9","7","1") = "8"
    & skf18("5","9","8","4","9","8","1") = "8"
    & skf18("5","9","8","4","9","9","1") = "8"
    & skf18("5","9","8","4","9","10","1") = "9"
    & skf18("5","9","8","4","10","1","1") = "9"
    & skf18("5","9","8","4","10","2","1") = "9"
    & skf18("5","9","8","4","10","3","1") = "9"
    & skf18("5","9","8","4","10","4","1") = "9"
    & skf18("5","9","8","4","10","5","1") = "9"
    & skf18("5","9","8","4","10","6","1") = "9"
    & skf18("5","9","8","4","10","7","1") = "9"
    & skf18("5","9","8","4","10","8","1") = "9"
    & skf18("5","9","8","4","10","9","1") = "9"
    & skf18("5","9","8","4","10","10","1") = "9"
    & skf18("5","9","8","5","1","1","1") = "8"
    & skf18("5","9","8","5","1","2","1") = "8"
    & skf18("5","9","8","5","1","3","1") = "8"
    & skf18("5","9","8","5","1","4","1") = "8"
    & skf18("5","9","8","5","1","5","1") = "8"
    & skf18("5","9","8","5","1","6","1") = "8"
    & skf18("5","9","8","5","1","7","1") = "8"
    & skf18("5","9","8","5","1","8","1") = "8"
    & skf18("5","9","8","5","1","9","1") = "8"
    & skf18("5","9","8","5","1","10","1") = "9"
    & skf18("5","9","8","5","2","1","1") = "8"
    & skf18("5","9","8","5","2","2","1") = "8"
    & skf18("5","9","8","5","2","3","1") = "8"
    & skf18("5","9","8","5","2","4","1") = "8"
    & skf18("5","9","8","5","2","5","1") = "8"
    & skf18("5","9","8","5","2","6","1") = "8"
    & skf18("5","9","8","5","2","7","1") = "8"
    & skf18("5","9","8","5","2","8","1") = "8"
    & skf18("5","9","8","5","2","9","1") = "8"
    & skf18("5","9","8","5","2","10","1") = "9"
    & skf18("5","9","8","5","3","1","1") = "8"
    & skf18("5","9","8","5","3","2","1") = "8"
    & skf18("5","9","8","5","3","3","1") = "8"
    & skf18("5","9","8","5","3","4","1") = "8"
    & skf18("5","9","8","5","3","5","1") = "8"
    & skf18("5","9","8","5","3","6","1") = "8"
    & skf18("5","9","8","5","3","7","1") = "8"
    & skf18("5","9","8","5","3","8","1") = "8"
    & skf18("5","9","8","5","3","9","1") = "8"
    & skf18("5","9","8","5","3","10","1") = "9"
    & skf18("5","9","8","5","4","1","1") = "8"
    & skf18("5","9","8","5","4","2","1") = "8"
    & skf18("5","9","8","5","4","3","1") = "8"
    & skf18("5","9","8","5","4","4","1") = "8"
    & skf18("5","9","8","5","4","5","1") = "8"
    & skf18("5","9","8","5","4","6","1") = "8"
    & skf18("5","9","8","5","4","7","1") = "8"
    & skf18("5","9","8","5","4","8","1") = "8"
    & skf18("5","9","8","5","4","9","1") = "8"
    & skf18("5","9","8","5","4","10","1") = "9"
    & skf18("5","9","8","5","5","1","1") = "8"
    & skf18("5","9","8","5","5","2","1") = "8"
    & skf18("5","9","8","5","5","3","1") = "8"
    & skf18("5","9","8","5","5","4","1") = "8"
    & skf18("5","9","8","5","5","5","1") = "8"
    & skf18("5","9","8","5","5","6","1") = "8"
    & skf18("5","9","8","5","5","7","1") = "8"
    & skf18("5","9","8","5","5","8","1") = "8"
    & skf18("5","9","8","5","5","9","1") = "8"
    & skf18("5","9","8","5","5","10","1") = "9"
    & skf18("5","9","8","5","6","1","1") = "8"
    & skf18("5","9","8","5","6","2","1") = "8"
    & skf18("5","9","8","5","6","3","1") = "8"
    & skf18("5","9","8","5","6","4","1") = "8"
    & skf18("5","9","8","5","6","5","1") = "8"
    & skf18("5","9","8","5","6","6","1") = "8"
    & skf18("5","9","8","5","6","7","1") = "8"
    & skf18("5","9","8","5","6","8","1") = "8"
    & skf18("5","9","8","5","6","9","1") = "8"
    & skf18("5","9","8","5","6","10","1") = "9"
    & skf18("5","9","8","5","7","1","1") = "8"
    & skf18("5","9","8","5","7","2","1") = "8"
    & skf18("5","9","8","5","7","3","1") = "8"
    & skf18("5","9","8","5","7","4","1") = "8"
    & skf18("5","9","8","5","7","5","1") = "8"
    & skf18("5","9","8","5","7","6","1") = "8"
    & skf18("5","9","8","5","7","7","1") = "8"
    & skf18("5","9","8","5","7","8","1") = "8"
    & skf18("5","9","8","5","7","9","1") = "8"
    & skf18("5","9","8","5","7","10","1") = "9"
    & skf18("5","9","8","5","8","1","1") = "8"
    & skf18("5","9","8","5","8","2","1") = "8"
    & skf18("5","9","8","5","8","3","1") = "8"
    & skf18("5","9","8","5","8","4","1") = "8"
    & skf18("5","9","8","5","8","5","1") = "8"
    & skf18("5","9","8","5","8","6","1") = "8"
    & skf18("5","9","8","5","8","7","1") = "8"
    & skf18("5","9","8","5","8","8","1") = "8"
    & skf18("5","9","8","5","8","9","1") = "8"
    & skf18("5","9","8","5","8","10","1") = "9"
    & skf18("5","9","8","5","9","1","1") = "8"
    & skf18("5","9","8","5","9","2","1") = "8"
    & skf18("5","9","8","5","9","3","1") = "8"
    & skf18("5","9","8","5","9","4","1") = "8"
    & skf18("5","9","8","5","9","5","1") = "8"
    & skf18("5","9","8","5","9","6","1") = "8"
    & skf18("5","9","8","5","9","7","1") = "8"
    & skf18("5","9","8","5","9","8","1") = "8"
    & skf18("5","9","8","5","9","9","1") = "8"
    & skf18("5","9","8","5","9","10","1") = "9"
    & skf18("5","9","8","5","10","1","1") = "9"
    & skf18("5","9","8","5","10","2","1") = "9"
    & skf18("5","9","8","5","10","3","1") = "9"
    & skf18("5","9","8","5","10","4","1") = "9"
    & skf18("5","9","8","5","10","5","1") = "9"
    & skf18("5","9","8","5","10","6","1") = "9"
    & skf18("5","9","8","5","10","7","1") = "9"
    & skf18("5","9","8","5","10","8","1") = "9"
    & skf18("5","9","8","5","10","9","1") = "9"
    & skf18("5","9","8","5","10","10","1") = "9"
    & skf18("5","9","8","6","1","1","1") = "8"
    & skf18("5","9","8","6","1","2","1") = "8"
    & skf18("5","9","8","6","1","3","1") = "8"
    & skf18("5","9","8","6","1","4","1") = "8"
    & skf18("5","9","8","6","1","5","1") = "8"
    & skf18("5","9","8","6","1","6","1") = "8"
    & skf18("5","9","8","6","1","7","1") = "8"
    & skf18("5","9","8","6","1","8","1") = "8"
    & skf18("5","9","8","6","1","9","1") = "8"
    & skf18("5","9","8","6","1","10","1") = "9"
    & skf18("5","9","8","6","2","1","1") = "8"
    & skf18("5","9","8","6","2","2","1") = "8"
    & skf18("5","9","8","6","2","3","1") = "8"
    & skf18("5","9","8","6","2","4","1") = "8"
    & skf18("5","9","8","6","2","5","1") = "8"
    & skf18("5","9","8","6","2","6","1") = "8"
    & skf18("5","9","8","6","2","7","1") = "8"
    & skf18("5","9","8","6","2","8","1") = "8"
    & skf18("5","9","8","6","2","9","1") = "8"
    & skf18("5","9","8","6","2","10","1") = "9"
    & skf18("5","9","8","6","3","1","1") = "8"
    & skf18("5","9","8","6","3","2","1") = "8"
    & skf18("5","9","8","6","3","3","1") = "8"
    & skf18("5","9","8","6","3","4","1") = "8"
    & skf18("5","9","8","6","3","5","1") = "8"
    & skf18("5","9","8","6","3","6","1") = "8"
    & skf18("5","9","8","6","3","7","1") = "8"
    & skf18("5","9","8","6","3","8","1") = "8"
    & skf18("5","9","8","6","3","9","1") = "8"
    & skf18("5","9","8","6","3","10","1") = "9"
    & skf18("5","9","8","6","4","1","1") = "8"
    & skf18("5","9","8","6","4","2","1") = "8"
    & skf18("5","9","8","6","4","3","1") = "8"
    & skf18("5","9","8","6","4","4","1") = "8"
    & skf18("5","9","8","6","4","5","1") = "8"
    & skf18("5","9","8","6","4","6","1") = "8"
    & skf18("5","9","8","6","4","7","1") = "8"
    & skf18("5","9","8","6","4","8","1") = "8"
    & skf18("5","9","8","6","4","9","1") = "8"
    & skf18("5","9","8","6","4","10","1") = "9"
    & skf18("5","9","8","6","5","1","1") = "8"
    & skf18("5","9","8","6","5","2","1") = "8"
    & skf18("5","9","8","6","5","3","1") = "8"
    & skf18("5","9","8","6","5","4","1") = "8"
    & skf18("5","9","8","6","5","5","1") = "8"
    & skf18("5","9","8","6","5","6","1") = "8"
    & skf18("5","9","8","6","5","7","1") = "8"
    & skf18("5","9","8","6","5","8","1") = "8"
    & skf18("5","9","8","6","5","9","1") = "8"
    & skf18("5","9","8","6","5","10","1") = "9"
    & skf18("5","9","8","6","6","1","1") = "8"
    & skf18("5","9","8","6","6","2","1") = "8"
    & skf18("5","9","8","6","6","3","1") = "8"
    & skf18("5","9","8","6","6","4","1") = "8"
    & skf18("5","9","8","6","6","5","1") = "8"
    & skf18("5","9","8","6","6","6","1") = "8"
    & skf18("5","9","8","6","6","7","1") = "8"
    & skf18("5","9","8","6","6","8","1") = "8"
    & skf18("5","9","8","6","6","9","1") = "8"
    & skf18("5","9","8","6","6","10","1") = "9"
    & skf18("5","9","8","6","7","1","1") = "8"
    & skf18("5","9","8","6","7","2","1") = "8"
    & skf18("5","9","8","6","7","3","1") = "8"
    & skf18("5","9","8","6","7","4","1") = "8"
    & skf18("5","9","8","6","7","5","1") = "8"
    & skf18("5","9","8","6","7","6","1") = "8"
    & skf18("5","9","8","6","7","7","1") = "8"
    & skf18("5","9","8","6","7","8","1") = "8"
    & skf18("5","9","8","6","7","9","1") = "8"
    & skf18("5","9","8","6","7","10","1") = "9"
    & skf18("5","9","8","6","8","1","1") = "8"
    & skf18("5","9","8","6","8","2","1") = "8"
    & skf18("5","9","8","6","8","3","1") = "8"
    & skf18("5","9","8","6","8","4","1") = "8"
    & skf18("5","9","8","6","8","5","1") = "8"
    & skf18("5","9","8","6","8","6","1") = "8"
    & skf18("5","9","8","6","8","7","1") = "8"
    & skf18("5","9","8","6","8","8","1") = "8"
    & skf18("5","9","8","6","8","9","1") = "8"
    & skf18("5","9","8","6","8","10","1") = "9"
    & skf18("5","9","8","6","9","1","1") = "8"
    & skf18("5","9","8","6","9","2","1") = "8"
    & skf18("5","9","8","6","9","3","1") = "8"
    & skf18("5","9","8","6","9","4","1") = "8"
    & skf18("5","9","8","6","9","5","1") = "8"
    & skf18("5","9","8","6","9","6","1") = "8"
    & skf18("5","9","8","6","9","7","1") = "8"
    & skf18("5","9","8","6","9","8","1") = "8"
    & skf18("5","9","8","6","9","9","1") = "8"
    & skf18("5","9","8","6","9","10","1") = "9"
    & skf18("5","9","8","6","10","1","1") = "9"
    & skf18("5","9","8","6","10","2","1") = "9"
    & skf18("5","9","8","6","10","3","1") = "9"
    & skf18("5","9","8","6","10","4","1") = "9"
    & skf18("5","9","8","6","10","5","1") = "9"
    & skf18("5","9","8","6","10","6","1") = "9"
    & skf18("5","9","8","6","10","7","1") = "9"
    & skf18("5","9","8","6","10","8","1") = "9"
    & skf18("5","9","8","6","10","9","1") = "9"
    & skf18("5","9","8","6","10","10","1") = "9"
    & skf18("5","9","8","7","1","1","1") = "8"
    & skf18("5","9","8","7","1","2","1") = "8"
    & skf18("5","9","8","7","1","3","1") = "8"
    & skf18("5","9","8","7","1","4","1") = "8"
    & skf18("5","9","8","7","1","5","1") = "8"
    & skf18("5","9","8","7","1","6","1") = "8"
    & skf18("5","9","8","7","1","7","1") = "8"
    & skf18("5","9","8","7","1","8","1") = "8"
    & skf18("5","9","8","7","1","9","1") = "8"
    & skf18("5","9","8","7","1","10","1") = "9"
    & skf18("5","9","8","7","2","1","1") = "8"
    & skf18("5","9","8","7","2","2","1") = "8"
    & skf18("5","9","8","7","2","3","1") = "8"
    & skf18("5","9","8","7","2","4","1") = "8"
    & skf18("5","9","8","7","2","5","1") = "8"
    & skf18("5","9","8","7","2","6","1") = "8"
    & skf18("5","9","8","7","2","7","1") = "8"
    & skf18("5","9","8","7","2","8","1") = "8"
    & skf18("5","9","8","7","2","9","1") = "8"
    & skf18("5","9","8","7","2","10","1") = "9"
    & skf18("5","9","8","7","3","1","1") = "8"
    & skf18("5","9","8","7","3","2","1") = "8"
    & skf18("5","9","8","7","3","3","1") = "8"
    & skf18("5","9","8","7","3","4","1") = "8"
    & skf18("5","9","8","7","3","5","1") = "8"
    & skf18("5","9","8","7","3","6","1") = "8"
    & skf18("5","9","8","7","3","7","1") = "8"
    & skf18("5","9","8","7","3","8","1") = "8"
    & skf18("5","9","8","7","3","9","1") = "8"
    & skf18("5","9","8","7","3","10","1") = "9"
    & skf18("5","9","8","7","4","1","1") = "8"
    & skf18("5","9","8","7","4","2","1") = "8"
    & skf18("5","9","8","7","4","3","1") = "8"
    & skf18("5","9","8","7","4","4","1") = "8"
    & skf18("5","9","8","7","4","5","1") = "8"
    & skf18("5","9","8","7","4","6","1") = "8"
    & skf18("5","9","8","7","4","7","1") = "8"
    & skf18("5","9","8","7","4","8","1") = "8"
    & skf18("5","9","8","7","4","9","1") = "8"
    & skf18("5","9","8","7","4","10","1") = "9"
    & skf18("5","9","8","7","5","1","1") = "8"
    & skf18("5","9","8","7","5","2","1") = "8"
    & skf18("5","9","8","7","5","3","1") = "8"
    & skf18("5","9","8","7","5","4","1") = "8"
    & skf18("5","9","8","7","5","5","1") = "8"
    & skf18("5","9","8","7","5","6","1") = "8"
    & skf18("5","9","8","7","5","7","1") = "8"
    & skf18("5","9","8","7","5","8","1") = "8"
    & skf18("5","9","8","7","5","9","1") = "8"
    & skf18("5","9","8","7","5","10","1") = "9"
    & skf18("5","9","8","7","6","1","1") = "8"
    & skf18("5","9","8","7","6","2","1") = "8"
    & skf18("5","9","8","7","6","3","1") = "8"
    & skf18("5","9","8","7","6","4","1") = "8"
    & skf18("5","9","8","7","6","5","1") = "8"
    & skf18("5","9","8","7","6","6","1") = "8"
    & skf18("5","9","8","7","6","7","1") = "8"
    & skf18("5","9","8","7","6","8","1") = "8"
    & skf18("5","9","8","7","6","9","1") = "8"
    & skf18("5","9","8","7","6","10","1") = "9"
    & skf18("5","9","8","7","7","1","1") = "8"
    & skf18("5","9","8","7","7","2","1") = "8"
    & skf18("5","9","8","7","7","3","1") = "8"
    & skf18("5","9","8","7","7","4","1") = "8"
    & skf18("5","9","8","7","7","5","1") = "8"
    & skf18("5","9","8","7","7","6","1") = "8"
    & skf18("5","9","8","7","7","7","1") = "8"
    & skf18("5","9","8","7","7","8","1") = "8"
    & skf18("5","9","8","7","7","9","1") = "8"
    & skf18("5","9","8","7","7","10","1") = "9"
    & skf18("5","9","8","7","8","1","1") = "8"
    & skf18("5","9","8","7","8","2","1") = "8"
    & skf18("5","9","8","7","8","3","1") = "8"
    & skf18("5","9","8","7","8","4","1") = "8"
    & skf18("5","9","8","7","8","5","1") = "8"
    & skf18("5","9","8","7","8","6","1") = "8"
    & skf18("5","9","8","7","8","7","1") = "8"
    & skf18("5","9","8","7","8","8","1") = "8"
    & skf18("5","9","8","7","8","9","1") = "8"
    & skf18("5","9","8","7","8","10","1") = "9"
    & skf18("5","9","8","7","9","1","1") = "8"
    & skf18("5","9","8","7","9","2","1") = "8"
    & skf18("5","9","8","7","9","3","1") = "8"
    & skf18("5","9","8","7","9","4","1") = "8"
    & skf18("5","9","8","7","9","5","1") = "8"
    & skf18("5","9","8","7","9","6","1") = "8"
    & skf18("5","9","8","7","9","7","1") = "8"
    & skf18("5","9","8","7","9","8","1") = "8"
    & skf18("5","9","8","7","9","9","1") = "8"
    & skf18("5","9","8","7","9","10","1") = "9"
    & skf18("5","9","8","7","10","1","1") = "9"
    & skf18("5","9","8","7","10","2","1") = "9"
    & skf18("5","9","8","7","10","3","1") = "9"
    & skf18("5","9","8","7","10","4","1") = "9"
    & skf18("5","9","8","7","10","5","1") = "9"
    & skf18("5","9","8","7","10","6","1") = "9"
    & skf18("5","9","8","7","10","7","1") = "9"
    & skf18("5","9","8","7","10","8","1") = "9"
    & skf18("5","9","8","7","10","9","1") = "9"
    & skf18("5","9","8","7","10","10","1") = "9"
    & skf18("5","9","8","8","1","1","1") = "8"
    & skf18("5","9","8","8","1","2","1") = "8"
    & skf18("5","9","8","8","1","3","1") = "8"
    & skf18("5","9","8","8","1","4","1") = "8"
    & skf18("5","9","8","8","1","5","1") = "8"
    & skf18("5","9","8","8","1","6","1") = "8"
    & skf18("5","9","8","8","1","7","1") = "8"
    & skf18("5","9","8","8","1","8","1") = "8"
    & skf18("5","9","8","8","1","9","1") = "8"
    & skf18("5","9","8","8","1","10","1") = "9"
    & skf18("5","9","8","8","2","1","1") = "8"
    & skf18("5","9","8","8","2","2","1") = "8"
    & skf18("5","9","8","8","2","3","1") = "8"
    & skf18("5","9","8","8","2","4","1") = "8"
    & skf18("5","9","8","8","2","5","1") = "8"
    & skf18("5","9","8","8","2","6","1") = "8"
    & skf18("5","9","8","8","2","7","1") = "8"
    & skf18("5","9","8","8","2","8","1") = "8"
    & skf18("5","9","8","8","2","9","1") = "8"
    & skf18("5","9","8","8","2","10","1") = "9"
    & skf18("5","9","8","8","3","1","1") = "8"
    & skf18("5","9","8","8","3","2","1") = "8"
    & skf18("5","9","8","8","3","3","1") = "8"
    & skf18("5","9","8","8","3","4","1") = "8"
    & skf18("5","9","8","8","3","5","1") = "8"
    & skf18("5","9","8","8","3","6","1") = "8"
    & skf18("5","9","8","8","3","7","1") = "8"
    & skf18("5","9","8","8","3","8","1") = "8"
    & skf18("5","9","8","8","3","9","1") = "8"
    & skf18("5","9","8","8","3","10","1") = "9"
    & skf18("5","9","8","8","4","1","1") = "8"
    & skf18("5","9","8","8","4","2","1") = "8"
    & skf18("5","9","8","8","4","3","1") = "8"
    & skf18("5","9","8","8","4","4","1") = "8"
    & skf18("5","9","8","8","4","5","1") = "8"
    & skf18("5","9","8","8","4","6","1") = "8"
    & skf18("5","9","8","8","4","7","1") = "8"
    & skf18("5","9","8","8","4","8","1") = "8"
    & skf18("5","9","8","8","4","9","1") = "8"
    & skf18("5","9","8","8","4","10","1") = "9"
    & skf18("5","9","8","8","5","1","1") = "8"
    & skf18("5","9","8","8","5","2","1") = "8"
    & skf18("5","9","8","8","5","3","1") = "8"
    & skf18("5","9","8","8","5","4","1") = "8"
    & skf18("5","9","8","8","5","5","1") = "8"
    & skf18("5","9","8","8","5","6","1") = "8"
    & skf18("5","9","8","8","5","7","1") = "8"
    & skf18("5","9","8","8","5","8","1") = "8"
    & skf18("5","9","8","8","5","9","1") = "8"
    & skf18("5","9","8","8","5","10","1") = "9"
    & skf18("5","9","8","8","6","1","1") = "8"
    & skf18("5","9","8","8","6","2","1") = "8"
    & skf18("5","9","8","8","6","3","1") = "8"
    & skf18("5","9","8","8","6","4","1") = "8"
    & skf18("5","9","8","8","6","5","1") = "8"
    & skf18("5","9","8","8","6","6","1") = "8"
    & skf18("5","9","8","8","6","7","1") = "8"
    & skf18("5","9","8","8","6","8","1") = "8"
    & skf18("5","9","8","8","6","9","1") = "8"
    & skf18("5","9","8","8","6","10","1") = "9"
    & skf18("5","9","8","8","7","1","1") = "8"
    & skf18("5","9","8","8","7","2","1") = "8"
    & skf18("5","9","8","8","7","3","1") = "8"
    & skf18("5","9","8","8","7","4","1") = "8"
    & skf18("5","9","8","8","7","5","1") = "8"
    & skf18("5","9","8","8","7","6","1") = "8"
    & skf18("5","9","8","8","7","7","1") = "8"
    & skf18("5","9","8","8","7","8","1") = "8"
    & skf18("5","9","8","8","7","9","1") = "8"
    & skf18("5","9","8","8","7","10","1") = "9"
    & skf18("5","9","8","8","8","1","1") = "8"
    & skf18("5","9","8","8","8","2","1") = "8"
    & skf18("5","9","8","8","8","3","1") = "8"
    & skf18("5","9","8","8","8","4","1") = "8"
    & skf18("5","9","8","8","8","5","1") = "8"
    & skf18("5","9","8","8","8","6","1") = "8"
    & skf18("5","9","8","8","8","7","1") = "8"
    & skf18("5","9","8","8","8","8","1") = "8"
    & skf18("5","9","8","8","8","9","1") = "8"
    & skf18("5","9","8","8","8","10","1") = "9"
    & skf18("5","9","8","8","9","1","1") = "8"
    & skf18("5","9","8","8","9","2","1") = "8"
    & skf18("5","9","8","8","9","3","1") = "8"
    & skf18("5","9","8","8","9","4","1") = "8"
    & skf18("5","9","8","8","9","5","1") = "8"
    & skf18("5","9","8","8","9","6","1") = "8"
    & skf18("5","9","8","8","9","7","1") = "8"
    & skf18("5","9","8","8","9","8","1") = "8"
    & skf18("5","9","8","8","9","9","1") = "8"
    & skf18("5","9","8","8","9","10","1") = "9"
    & skf18("5","9","8","8","10","1","1") = "9"
    & skf18("5","9","8","8","10","2","1") = "9"
    & skf18("5","9","8","8","10","3","1") = "9"
    & skf18("5","9","8","8","10","4","1") = "9"
    & skf18("5","9","8","8","10","5","1") = "9"
    & skf18("5","9","8","8","10","6","1") = "9"
    & skf18("5","9","8","8","10","7","1") = "9"
    & skf18("5","9","8","8","10","8","1") = "9"
    & skf18("5","9","8","8","10","9","1") = "9"
    & skf18("5","9","8","8","10","10","1") = "9"
    & skf18("5","9","8","9","1","1","1") = "8"
    & skf18("5","9","8","9","1","2","1") = "8"
    & skf18("5","9","8","9","1","3","1") = "8"
    & skf18("5","9","8","9","1","4","1") = "8"
    & skf18("5","9","8","9","1","5","1") = "8"
    & skf18("5","9","8","9","1","6","1") = "8"
    & skf18("5","9","8","9","1","7","1") = "8"
    & skf18("5","9","8","9","1","8","1") = "8"
    & skf18("5","9","8","9","1","9","1") = "8"
    & skf18("5","9","8","9","1","10","1") = "9"
    & skf18("5","9","8","9","2","1","1") = "8"
    & skf18("5","9","8","9","2","2","1") = "8"
    & skf18("5","9","8","9","2","3","1") = "8"
    & skf18("5","9","8","9","2","4","1") = "8"
    & skf18("5","9","8","9","2","5","1") = "8"
    & skf18("5","9","8","9","2","6","1") = "8"
    & skf18("5","9","8","9","2","7","1") = "8"
    & skf18("5","9","8","9","2","8","1") = "8"
    & skf18("5","9","8","9","2","9","1") = "8"
    & skf18("5","9","8","9","2","10","1") = "9"
    & skf18("5","9","8","9","3","1","1") = "8"
    & skf18("5","9","8","9","3","2","1") = "8"
    & skf18("5","9","8","9","3","3","1") = "8"
    & skf18("5","9","8","9","3","4","1") = "8"
    & skf18("5","9","8","9","3","5","1") = "8"
    & skf18("5","9","8","9","3","6","1") = "8"
    & skf18("5","9","8","9","3","7","1") = "8"
    & skf18("5","9","8","9","3","8","1") = "8"
    & skf18("5","9","8","9","3","9","1") = "8"
    & skf18("5","9","8","9","3","10","1") = "9"
    & skf18("5","9","8","9","4","1","1") = "8"
    & skf18("5","9","8","9","4","2","1") = "8"
    & skf18("5","9","8","9","4","3","1") = "8"
    & skf18("5","9","8","9","4","4","1") = "8"
    & skf18("5","9","8","9","4","5","1") = "8"
    & skf18("5","9","8","9","4","6","1") = "8"
    & skf18("5","9","8","9","4","7","1") = "8"
    & skf18("5","9","8","9","4","8","1") = "8"
    & skf18("5","9","8","9","4","9","1") = "8"
    & skf18("5","9","8","9","4","10","1") = "9"
    & skf18("5","9","8","9","5","1","1") = "8"
    & skf18("5","9","8","9","5","2","1") = "8"
    & skf18("5","9","8","9","5","3","1") = "8"
    & skf18("5","9","8","9","5","4","1") = "8"
    & skf18("5","9","8","9","5","5","1") = "8"
    & skf18("5","9","8","9","5","6","1") = "8"
    & skf18("5","9","8","9","5","7","1") = "8"
    & skf18("5","9","8","9","5","8","1") = "8"
    & skf18("5","9","8","9","5","9","1") = "8"
    & skf18("5","9","8","9","5","10","1") = "9"
    & skf18("5","9","8","9","6","1","1") = "8"
    & skf18("5","9","8","9","6","2","1") = "8"
    & skf18("5","9","8","9","6","3","1") = "8"
    & skf18("5","9","8","9","6","4","1") = "8"
    & skf18("5","9","8","9","6","5","1") = "8"
    & skf18("5","9","8","9","6","6","1") = "8"
    & skf18("5","9","8","9","6","7","1") = "8"
    & skf18("5","9","8","9","6","8","1") = "8"
    & skf18("5","9","8","9","6","9","1") = "8"
    & skf18("5","9","8","9","6","10","1") = "9"
    & skf18("5","9","8","9","7","1","1") = "8"
    & skf18("5","9","8","9","7","2","1") = "8"
    & skf18("5","9","8","9","7","3","1") = "8"
    & skf18("5","9","8","9","7","4","1") = "8"
    & skf18("5","9","8","9","7","5","1") = "8"
    & skf18("5","9","8","9","7","6","1") = "8"
    & skf18("5","9","8","9","7","7","1") = "8"
    & skf18("5","9","8","9","7","8","1") = "8"
    & skf18("5","9","8","9","7","9","1") = "8"
    & skf18("5","9","8","9","7","10","1") = "9"
    & skf18("5","9","8","9","8","1","1") = "8"
    & skf18("5","9","8","9","8","2","1") = "8"
    & skf18("5","9","8","9","8","3","1") = "8"
    & skf18("5","9","8","9","8","4","1") = "8"
    & skf18("5","9","8","9","8","5","1") = "8"
    & skf18("5","9","8","9","8","6","1") = "8"
    & skf18("5","9","8","9","8","7","1") = "8"
    & skf18("5","9","8","9","8","8","1") = "8"
    & skf18("5","9","8","9","8","9","1") = "8"
    & skf18("5","9","8","9","8","10","1") = "9"
    & skf18("5","9","8","9","9","1","1") = "8"
    & skf18("5","9","8","9","9","2","1") = "8"
    & skf18("5","9","8","9","9","3","1") = "8"
    & skf18("5","9","8","9","9","4","1") = "8"
    & skf18("5","9","8","9","9","5","1") = "8"
    & skf18("5","9","8","9","9","6","1") = "8"
    & skf18("5","9","8","9","9","7","1") = "8"
    & skf18("5","9","8","9","9","8","1") = "8"
    & skf18("5","9","8","9","9","9","1") = "8"
    & skf18("5","9","8","9","9","10","1") = "9"
    & skf18("5","9","8","9","10","1","1") = "9"
    & skf18("5","9","8","9","10","2","1") = "9"
    & skf18("5","9","8","9","10","3","1") = "9"
    & skf18("5","9","8","9","10","4","1") = "9"
    & skf18("5","9","8","9","10","5","1") = "9"
    & skf18("5","9","8","9","10","6","1") = "9"
    & skf18("5","9","8","9","10","7","1") = "9"
    & skf18("5","9","8","9","10","8","1") = "9"
    & skf18("5","9","8","9","10","9","1") = "9"
    & skf18("5","9","8","9","10","10","1") = "9"
    & skf18("5","9","8","10","1","1","1") = "9"
    & skf18("5","9","8","10","1","2","1") = "9"
    & skf18("5","9","8","10","1","3","1") = "9"
    & skf18("5","9","8","10","1","4","1") = "9"
    & skf18("5","9","8","10","1","5","1") = "9"
    & skf18("5","9","8","10","1","6","1") = "9"
    & skf18("5","9","8","10","1","7","1") = "9"
    & skf18("5","9","8","10","1","8","1") = "9"
    & skf18("5","9","8","10","1","9","1") = "9"
    & skf18("5","9","8","10","1","10","1") = "9"
    & skf18("5","9","8","10","2","1","1") = "9"
    & skf18("5","9","8","10","2","2","1") = "9"
    & skf18("5","9","8","10","2","3","1") = "9"
    & skf18("5","9","8","10","2","4","1") = "9"
    & skf18("5","9","8","10","2","5","1") = "9"
    & skf18("5","9","8","10","2","6","1") = "9"
    & skf18("5","9","8","10","2","7","1") = "9"
    & skf18("5","9","8","10","2","8","1") = "9"
    & skf18("5","9","8","10","2","9","1") = "9"
    & skf18("5","9","8","10","2","10","1") = "9"
    & skf18("5","9","8","10","3","1","1") = "9"
    & skf18("5","9","8","10","3","2","1") = "9"
    & skf18("5","9","8","10","3","3","1") = "9"
    & skf18("5","9","8","10","3","4","1") = "9"
    & skf18("5","9","8","10","3","5","1") = "9"
    & skf18("5","9","8","10","3","6","1") = "9"
    & skf18("5","9","8","10","3","7","1") = "9"
    & skf18("5","9","8","10","3","8","1") = "9"
    & skf18("5","9","8","10","3","9","1") = "9"
    & skf18("5","9","8","10","3","10","1") = "9"
    & skf18("5","9","8","10","4","1","1") = "9"
    & skf18("5","9","8","10","4","2","1") = "9"
    & skf18("5","9","8","10","4","3","1") = "9"
    & skf18("5","9","8","10","4","4","1") = "9"
    & skf18("5","9","8","10","4","5","1") = "9"
    & skf18("5","9","8","10","4","6","1") = "9"
    & skf18("5","9","8","10","4","7","1") = "9"
    & skf18("5","9","8","10","4","8","1") = "9"
    & skf18("5","9","8","10","4","9","1") = "9"
    & skf18("5","9","8","10","4","10","1") = "9"
    & skf18("5","9","8","10","5","1","1") = "9"
    & skf18("5","9","8","10","5","2","1") = "9"
    & skf18("5","9","8","10","5","3","1") = "9"
    & skf18("5","9","8","10","5","4","1") = "9"
    & skf18("5","9","8","10","5","5","1") = "9"
    & skf18("5","9","8","10","5","6","1") = "9"
    & skf18("5","9","8","10","5","7","1") = "9"
    & skf18("5","9","8","10","5","8","1") = "9"
    & skf18("5","9","8","10","5","9","1") = "9"
    & skf18("5","9","8","10","5","10","1") = "9"
    & skf18("5","9","8","10","6","1","1") = "9"
    & skf18("5","9","8","10","6","2","1") = "9"
    & skf18("5","9","8","10","6","3","1") = "9"
    & skf18("5","9","8","10","6","4","1") = "9"
    & skf18("5","9","8","10","6","5","1") = "9"
    & skf18("5","9","8","10","6","6","1") = "9"
    & skf18("5","9","8","10","6","7","1") = "9"
    & skf18("5","9","8","10","6","8","1") = "9"
    & skf18("5","9","8","10","6","9","1") = "9"
    & skf18("5","9","8","10","6","10","1") = "9"
    & skf18("5","9","8","10","7","1","1") = "9"
    & skf18("5","9","8","10","7","2","1") = "9"
    & skf18("5","9","8","10","7","3","1") = "9"
    & skf18("5","9","8","10","7","4","1") = "9"
    & skf18("5","9","8","10","7","5","1") = "9"
    & skf18("5","9","8","10","7","6","1") = "9"
    & skf18("5","9","8","10","7","7","1") = "9"
    & skf18("5","9","8","10","7","8","1") = "9"
    & skf18("5","9","8","10","7","9","1") = "9"
    & skf18("5","9","8","10","7","10","1") = "9"
    & skf18("5","9","8","10","8","1","1") = "9"
    & skf18("5","9","8","10","8","2","1") = "9"
    & skf18("5","9","8","10","8","3","1") = "9"
    & skf18("5","9","8","10","8","4","1") = "9"
    & skf18("5","9","8","10","8","5","1") = "9"
    & skf18("5","9","8","10","8","6","1") = "9"
    & skf18("5","9","8","10","8","7","1") = "9"
    & skf18("5","9","8","10","8","8","1") = "9"
    & skf18("5","9","8","10","8","9","1") = "9"
    & skf18("5","9","8","10","8","10","1") = "9"
    & skf18("5","9","8","10","9","1","1") = "9"
    & skf18("5","9","8","10","9","2","1") = "9"
    & skf18("5","9","8","10","9","3","1") = "9"
    & skf18("5","9","8","10","9","4","1") = "9"
    & skf18("5","9","8","10","9","5","1") = "9"
    & skf18("5","9","8","10","9","6","1") = "9"
    & skf18("5","9","8","10","9","7","1") = "9"
    & skf18("5","9","8","10","9","8","1") = "9"
    & skf18("5","9","8","10","9","9","1") = "9"
    & skf18("5","9","8","10","9","10","1") = "9"
    & skf18("5","9","8","10","10","1","1") = "9"
    & skf18("5","9","8","10","10","2","1") = "9"
    & skf18("5","9","8","10","10","3","1") = "9"
    & skf18("5","9","8","10","10","4","1") = "9"
    & skf18("5","9","8","10","10","5","1") = "9"
    & skf18("5","9","8","10","10","6","1") = "9"
    & skf18("5","9","8","10","10","7","1") = "9"
    & skf18("5","9","8","10","10","8","1") = "9"
    & skf18("5","9","8","10","10","9","1") = "9"
    & skf18("5","9","8","10","10","10","1") = "9"
    & skf18("5","9","9","1","1","1","1") = "8"
    & skf18("5","9","9","1","1","2","1") = "8"
    & skf18("5","9","9","1","1","3","1") = "8"
    & skf18("5","9","9","1","1","4","1") = "8"
    & skf18("5","9","9","1","1","5","1") = "8"
    & skf18("5","9","9","1","1","6","1") = "8"
    & skf18("5","9","9","1","1","7","1") = "8"
    & skf18("5","9","9","1","1","8","1") = "8"
    & skf18("5","9","9","1","1","9","1") = "8"
    & skf18("5","9","9","1","1","10","1") = "9"
    & skf18("5","9","9","1","2","1","1") = "8"
    & skf18("5","9","9","1","2","2","1") = "8"
    & skf18("5","9","9","1","2","3","1") = "8"
    & skf18("5","9","9","1","2","4","1") = "8"
    & skf18("5","9","9","1","2","5","1") = "8"
    & skf18("5","9","9","1","2","6","1") = "8"
    & skf18("5","9","9","1","2","7","1") = "8"
    & skf18("5","9","9","1","2","8","1") = "8"
    & skf18("5","9","9","1","2","9","1") = "8"
    & skf18("5","9","9","1","2","10","1") = "9"
    & skf18("5","9","9","1","3","1","1") = "8"
    & skf18("5","9","9","1","3","2","1") = "8"
    & skf18("5","9","9","1","3","3","1") = "8"
    & skf18("5","9","9","1","3","4","1") = "8"
    & skf18("5","9","9","1","3","5","1") = "8"
    & skf18("5","9","9","1","3","6","1") = "8"
    & skf18("5","9","9","1","3","7","1") = "8"
    & skf18("5","9","9","1","3","8","1") = "8"
    & skf18("5","9","9","1","3","9","1") = "8"
    & skf18("5","9","9","1","3","10","1") = "9"
    & skf18("5","9","9","1","4","1","1") = "8"
    & skf18("5","9","9","1","4","2","1") = "8"
    & skf18("5","9","9","1","4","3","1") = "8"
    & skf18("5","9","9","1","4","4","1") = "8"
    & skf18("5","9","9","1","4","5","1") = "8"
    & skf18("5","9","9","1","4","6","1") = "8"
    & skf18("5","9","9","1","4","7","1") = "8"
    & skf18("5","9","9","1","4","8","1") = "8"
    & skf18("5","9","9","1","4","9","1") = "8"
    & skf18("5","9","9","1","4","10","1") = "9"
    & skf18("5","9","9","1","5","1","1") = "8"
    & skf18("5","9","9","1","5","2","1") = "8"
    & skf18("5","9","9","1","5","3","1") = "8"
    & skf18("5","9","9","1","5","4","1") = "8"
    & skf18("5","9","9","1","5","5","1") = "8"
    & skf18("5","9","9","1","5","6","1") = "8"
    & skf18("5","9","9","1","5","7","1") = "8"
    & skf18("5","9","9","1","5","8","1") = "8"
    & skf18("5","9","9","1","5","9","1") = "8"
    & skf18("5","9","9","1","5","10","1") = "9"
    & skf18("5","9","9","1","6","1","1") = "8"
    & skf18("5","9","9","1","6","2","1") = "8"
    & skf18("5","9","9","1","6","3","1") = "8"
    & skf18("5","9","9","1","6","4","1") = "8"
    & skf18("5","9","9","1","6","5","1") = "8"
    & skf18("5","9","9","1","6","6","1") = "8"
    & skf18("5","9","9","1","6","7","1") = "8"
    & skf18("5","9","9","1","6","8","1") = "8"
    & skf18("5","9","9","1","6","9","1") = "8"
    & skf18("5","9","9","1","6","10","1") = "9"
    & skf18("5","9","9","1","7","1","1") = "8"
    & skf18("5","9","9","1","7","2","1") = "8"
    & skf18("5","9","9","1","7","3","1") = "8"
    & skf18("5","9","9","1","7","4","1") = "8"
    & skf18("5","9","9","1","7","5","1") = "8"
    & skf18("5","9","9","1","7","6","1") = "8"
    & skf18("5","9","9","1","7","7","1") = "8"
    & skf18("5","9","9","1","7","8","1") = "8"
    & skf18("5","9","9","1","7","9","1") = "8"
    & skf18("5","9","9","1","7","10","1") = "9"
    & skf18("5","9","9","1","8","1","1") = "8"
    & skf18("5","9","9","1","8","2","1") = "8"
    & skf18("5","9","9","1","8","3","1") = "8"
    & skf18("5","9","9","1","8","4","1") = "8"
    & skf18("5","9","9","1","8","5","1") = "8"
    & skf18("5","9","9","1","8","6","1") = "8"
    & skf18("5","9","9","1","8","7","1") = "8"
    & skf18("5","9","9","1","8","8","1") = "8"
    & skf18("5","9","9","1","8","9","1") = "8"
    & skf18("5","9","9","1","8","10","1") = "9"
    & skf18("5","9","9","1","9","1","1") = "8"
    & skf18("5","9","9","1","9","2","1") = "8"
    & skf18("5","9","9","1","9","3","1") = "8"
    & skf18("5","9","9","1","9","4","1") = "8"
    & skf18("5","9","9","1","9","5","1") = "8"
    & skf18("5","9","9","1","9","6","1") = "8"
    & skf18("5","9","9","1","9","7","1") = "8"
    & skf18("5","9","9","1","9","8","1") = "8"
    & skf18("5","9","9","1","9","9","1") = "8"
    & skf18("5","9","9","1","9","10","1") = "9"
    & skf18("5","9","9","1","10","1","1") = "9"
    & skf18("5","9","9","1","10","2","1") = "9"
    & skf18("5","9","9","1","10","3","1") = "9"
    & skf18("5","9","9","1","10","4","1") = "9"
    & skf18("5","9","9","1","10","5","1") = "9"
    & skf18("5","9","9","1","10","6","1") = "9"
    & skf18("5","9","9","1","10","7","1") = "9"
    & skf18("5","9","9","1","10","8","1") = "9"
    & skf18("5","9","9","1","10","9","1") = "9"
    & skf18("5","9","9","1","10","10","1") = "9"
    & skf18("5","9","9","2","1","1","1") = "8"
    & skf18("5","9","9","2","1","2","1") = "8"
    & skf18("5","9","9","2","1","3","1") = "8"
    & skf18("5","9","9","2","1","4","1") = "8"
    & skf18("5","9","9","2","1","5","1") = "8"
    & skf18("5","9","9","2","1","6","1") = "8"
    & skf18("5","9","9","2","1","7","1") = "8"
    & skf18("5","9","9","2","1","8","1") = "8"
    & skf18("5","9","9","2","1","9","1") = "8"
    & skf18("5","9","9","2","1","10","1") = "9"
    & skf18("5","9","9","2","2","1","1") = "8"
    & skf18("5","9","9","2","2","2","1") = "8"
    & skf18("5","9","9","2","2","3","1") = "8"
    & skf18("5","9","9","2","2","4","1") = "8"
    & skf18("5","9","9","2","2","5","1") = "8"
    & skf18("5","9","9","2","2","6","1") = "8"
    & skf18("5","9","9","2","2","7","1") = "8"
    & skf18("5","9","9","2","2","8","1") = "8"
    & skf18("5","9","9","2","2","9","1") = "8"
    & skf18("5","9","9","2","2","10","1") = "9"
    & skf18("5","9","9","2","3","1","1") = "8"
    & skf18("5","9","9","2","3","2","1") = "8"
    & skf18("5","9","9","2","3","3","1") = "8"
    & skf18("5","9","9","2","3","4","1") = "8"
    & skf18("5","9","9","2","3","5","1") = "8"
    & skf18("5","9","9","2","3","6","1") = "8"
    & skf18("5","9","9","2","3","7","1") = "8"
    & skf18("5","9","9","2","3","8","1") = "8"
    & skf18("5","9","9","2","3","9","1") = "8"
    & skf18("5","9","9","2","3","10","1") = "9"
    & skf18("5","9","9","2","4","1","1") = "8"
    & skf18("5","9","9","2","4","2","1") = "8"
    & skf18("5","9","9","2","4","3","1") = "8"
    & skf18("5","9","9","2","4","4","1") = "8"
    & skf18("5","9","9","2","4","5","1") = "8"
    & skf18("5","9","9","2","4","6","1") = "8"
    & skf18("5","9","9","2","4","7","1") = "8"
    & skf18("5","9","9","2","4","8","1") = "8"
    & skf18("5","9","9","2","4","9","1") = "8"
    & skf18("5","9","9","2","4","10","1") = "9"
    & skf18("5","9","9","2","5","1","1") = "8"
    & skf18("5","9","9","2","5","2","1") = "8"
    & skf18("5","9","9","2","5","3","1") = "8"
    & skf18("5","9","9","2","5","4","1") = "8"
    & skf18("5","9","9","2","5","5","1") = "8"
    & skf18("5","9","9","2","5","6","1") = "8"
    & skf18("5","9","9","2","5","7","1") = "8"
    & skf18("5","9","9","2","5","8","1") = "8"
    & skf18("5","9","9","2","5","9","1") = "8"
    & skf18("5","9","9","2","5","10","1") = "9"
    & skf18("5","9","9","2","6","1","1") = "8"
    & skf18("5","9","9","2","6","2","1") = "8"
    & skf18("5","9","9","2","6","3","1") = "8"
    & skf18("5","9","9","2","6","4","1") = "8"
    & skf18("5","9","9","2","6","5","1") = "8"
    & skf18("5","9","9","2","6","6","1") = "8"
    & skf18("5","9","9","2","6","7","1") = "8"
    & skf18("5","9","9","2","6","8","1") = "8"
    & skf18("5","9","9","2","6","9","1") = "8"
    & skf18("5","9","9","2","6","10","1") = "9"
    & skf18("5","9","9","2","7","1","1") = "8"
    & skf18("5","9","9","2","7","2","1") = "8"
    & skf18("5","9","9","2","7","3","1") = "8"
    & skf18("5","9","9","2","7","4","1") = "8"
    & skf18("5","9","9","2","7","5","1") = "8"
    & skf18("5","9","9","2","7","6","1") = "8"
    & skf18("5","9","9","2","7","7","1") = "8"
    & skf18("5","9","9","2","7","8","1") = "8"
    & skf18("5","9","9","2","7","9","1") = "8"
    & skf18("5","9","9","2","7","10","1") = "9"
    & skf18("5","9","9","2","8","1","1") = "8"
    & skf18("5","9","9","2","8","2","1") = "8"
    & skf18("5","9","9","2","8","3","1") = "8"
    & skf18("5","9","9","2","8","4","1") = "8"
    & skf18("5","9","9","2","8","5","1") = "8"
    & skf18("5","9","9","2","8","6","1") = "8"
    & skf18("5","9","9","2","8","7","1") = "8"
    & skf18("5","9","9","2","8","8","1") = "8"
    & skf18("5","9","9","2","8","9","1") = "8"
    & skf18("5","9","9","2","8","10","1") = "9"
    & skf18("5","9","9","2","9","1","1") = "8"
    & skf18("5","9","9","2","9","2","1") = "8"
    & skf18("5","9","9","2","9","3","1") = "8"
    & skf18("5","9","9","2","9","4","1") = "8"
    & skf18("5","9","9","2","9","5","1") = "8"
    & skf18("5","9","9","2","9","6","1") = "8"
    & skf18("5","9","9","2","9","7","1") = "8"
    & skf18("5","9","9","2","9","8","1") = "8"
    & skf18("5","9","9","2","9","9","1") = "8"
    & skf18("5","9","9","2","9","10","1") = "9"
    & skf18("5","9","9","2","10","1","1") = "9"
    & skf18("5","9","9","2","10","2","1") = "9"
    & skf18("5","9","9","2","10","3","1") = "9"
    & skf18("5","9","9","2","10","4","1") = "9"
    & skf18("5","9","9","2","10","5","1") = "9"
    & skf18("5","9","9","2","10","6","1") = "9"
    & skf18("5","9","9","2","10","7","1") = "9"
    & skf18("5","9","9","2","10","8","1") = "9"
    & skf18("5","9","9","2","10","9","1") = "9"
    & skf18("5","9","9","2","10","10","1") = "9"
    & skf18("5","9","9","3","1","1","1") = "8"
    & skf18("5","9","9","3","1","2","1") = "8"
    & skf18("5","9","9","3","1","3","1") = "8"
    & skf18("5","9","9","3","1","4","1") = "8"
    & skf18("5","9","9","3","1","5","1") = "8"
    & skf18("5","9","9","3","1","6","1") = "8"
    & skf18("5","9","9","3","1","7","1") = "8"
    & skf18("5","9","9","3","1","8","1") = "8"
    & skf18("5","9","9","3","1","9","1") = "8"
    & skf18("5","9","9","3","1","10","1") = "9"
    & skf18("5","9","9","3","2","1","1") = "8"
    & skf18("5","9","9","3","2","2","1") = "8"
    & skf18("5","9","9","3","2","3","1") = "8"
    & skf18("5","9","9","3","2","4","1") = "8"
    & skf18("5","9","9","3","2","5","1") = "8"
    & skf18("5","9","9","3","2","6","1") = "8"
    & skf18("5","9","9","3","2","7","1") = "8"
    & skf18("5","9","9","3","2","8","1") = "8"
    & skf18("5","9","9","3","2","9","1") = "8"
    & skf18("5","9","9","3","2","10","1") = "9"
    & skf18("5","9","9","3","3","1","1") = "8"
    & skf18("5","9","9","3","3","2","1") = "8"
    & skf18("5","9","9","3","3","3","1") = "8"
    & skf18("5","9","9","3","3","4","1") = "8"
    & skf18("5","9","9","3","3","5","1") = "8"
    & skf18("5","9","9","3","3","6","1") = "8"
    & skf18("5","9","9","3","3","7","1") = "8"
    & skf18("5","9","9","3","3","8","1") = "8"
    & skf18("5","9","9","3","3","9","1") = "8"
    & skf18("5","9","9","3","3","10","1") = "9"
    & skf18("5","9","9","3","4","1","1") = "8"
    & skf18("5","9","9","3","4","2","1") = "8"
    & skf18("5","9","9","3","4","3","1") = "8"
    & skf18("5","9","9","3","4","4","1") = "8"
    & skf18("5","9","9","3","4","5","1") = "8"
    & skf18("5","9","9","3","4","6","1") = "8"
    & skf18("5","9","9","3","4","7","1") = "8"
    & skf18("5","9","9","3","4","8","1") = "8"
    & skf18("5","9","9","3","4","9","1") = "8"
    & skf18("5","9","9","3","4","10","1") = "9"
    & skf18("5","9","9","3","5","1","1") = "8"
    & skf18("5","9","9","3","5","2","1") = "8"
    & skf18("5","9","9","3","5","3","1") = "8"
    & skf18("5","9","9","3","5","4","1") = "8"
    & skf18("5","9","9","3","5","5","1") = "8"
    & skf18("5","9","9","3","5","6","1") = "8"
    & skf18("5","9","9","3","5","7","1") = "8"
    & skf18("5","9","9","3","5","8","1") = "8"
    & skf18("5","9","9","3","5","9","1") = "8"
    & skf18("5","9","9","3","5","10","1") = "9"
    & skf18("5","9","9","3","6","1","1") = "8"
    & skf18("5","9","9","3","6","2","1") = "8"
    & skf18("5","9","9","3","6","3","1") = "8"
    & skf18("5","9","9","3","6","4","1") = "8"
    & skf18("5","9","9","3","6","5","1") = "8"
    & skf18("5","9","9","3","6","6","1") = "8"
    & skf18("5","9","9","3","6","7","1") = "8"
    & skf18("5","9","9","3","6","8","1") = "8"
    & skf18("5","9","9","3","6","9","1") = "8"
    & skf18("5","9","9","3","6","10","1") = "9"
    & skf18("5","9","9","3","7","1","1") = "8"
    & skf18("5","9","9","3","7","2","1") = "8"
    & skf18("5","9","9","3","7","3","1") = "8"
    & skf18("5","9","9","3","7","4","1") = "8"
    & skf18("5","9","9","3","7","5","1") = "8"
    & skf18("5","9","9","3","7","6","1") = "8"
    & skf18("5","9","9","3","7","7","1") = "8"
    & skf18("5","9","9","3","7","8","1") = "8"
    & skf18("5","9","9","3","7","9","1") = "8"
    & skf18("5","9","9","3","7","10","1") = "9"
    & skf18("5","9","9","3","8","1","1") = "8"
    & skf18("5","9","9","3","8","2","1") = "8"
    & skf18("5","9","9","3","8","3","1") = "8"
    & skf18("5","9","9","3","8","4","1") = "8"
    & skf18("5","9","9","3","8","5","1") = "8"
    & skf18("5","9","9","3","8","6","1") = "8"
    & skf18("5","9","9","3","8","7","1") = "8"
    & skf18("5","9","9","3","8","8","1") = "8"
    & skf18("5","9","9","3","8","9","1") = "8"
    & skf18("5","9","9","3","8","10","1") = "9"
    & skf18("5","9","9","3","9","1","1") = "8"
    & skf18("5","9","9","3","9","2","1") = "8"
    & skf18("5","9","9","3","9","3","1") = "8"
    & skf18("5","9","9","3","9","4","1") = "8"
    & skf18("5","9","9","3","9","5","1") = "8"
    & skf18("5","9","9","3","9","6","1") = "8"
    & skf18("5","9","9","3","9","7","1") = "8"
    & skf18("5","9","9","3","9","8","1") = "8"
    & skf18("5","9","9","3","9","9","1") = "8"
    & skf18("5","9","9","3","9","10","1") = "9"
    & skf18("5","9","9","3","10","1","1") = "9"
    & skf18("5","9","9","3","10","2","1") = "9"
    & skf18("5","9","9","3","10","3","1") = "9"
    & skf18("5","9","9","3","10","4","1") = "9"
    & skf18("5","9","9","3","10","5","1") = "9"
    & skf18("5","9","9","3","10","6","1") = "9"
    & skf18("5","9","9","3","10","7","1") = "9"
    & skf18("5","9","9","3","10","8","1") = "9"
    & skf18("5","9","9","3","10","9","1") = "9"
    & skf18("5","9","9","3","10","10","1") = "9"
    & skf18("5","9","9","4","1","1","1") = "8"
    & skf18("5","9","9","4","1","2","1") = "8"
    & skf18("5","9","9","4","1","3","1") = "8"
    & skf18("5","9","9","4","1","4","1") = "8"
    & skf18("5","9","9","4","1","5","1") = "8"
    & skf18("5","9","9","4","1","6","1") = "8"
    & skf18("5","9","9","4","1","7","1") = "8"
    & skf18("5","9","9","4","1","8","1") = "8"
    & skf18("5","9","9","4","1","9","1") = "8"
    & skf18("5","9","9","4","1","10","1") = "9"
    & skf18("5","9","9","4","2","1","1") = "8"
    & skf18("5","9","9","4","2","2","1") = "8"
    & skf18("5","9","9","4","2","3","1") = "8"
    & skf18("5","9","9","4","2","4","1") = "8"
    & skf18("5","9","9","4","2","5","1") = "8"
    & skf18("5","9","9","4","2","6","1") = "8"
    & skf18("5","9","9","4","2","7","1") = "8"
    & skf18("5","9","9","4","2","8","1") = "8"
    & skf18("5","9","9","4","2","9","1") = "8"
    & skf18("5","9","9","4","2","10","1") = "9"
    & skf18("5","9","9","4","3","1","1") = "8"
    & skf18("5","9","9","4","3","2","1") = "8"
    & skf18("5","9","9","4","3","3","1") = "8"
    & skf18("5","9","9","4","3","4","1") = "8"
    & skf18("5","9","9","4","3","5","1") = "8"
    & skf18("5","9","9","4","3","6","1") = "8"
    & skf18("5","9","9","4","3","7","1") = "8"
    & skf18("5","9","9","4","3","8","1") = "8"
    & skf18("5","9","9","4","3","9","1") = "8"
    & skf18("5","9","9","4","3","10","1") = "9"
    & skf18("5","9","9","4","4","1","1") = "8"
    & skf18("5","9","9","4","4","2","1") = "8"
    & skf18("5","9","9","4","4","3","1") = "8"
    & skf18("5","9","9","4","4","4","1") = "8"
    & skf18("5","9","9","4","4","5","1") = "8"
    & skf18("5","9","9","4","4","6","1") = "8"
    & skf18("5","9","9","4","4","7","1") = "8"
    & skf18("5","9","9","4","4","8","1") = "8"
    & skf18("5","9","9","4","4","9","1") = "8"
    & skf18("5","9","9","4","4","10","1") = "9"
    & skf18("5","9","9","4","5","1","1") = "8"
    & skf18("5","9","9","4","5","2","1") = "8"
    & skf18("5","9","9","4","5","3","1") = "8"
    & skf18("5","9","9","4","5","4","1") = "8"
    & skf18("5","9","9","4","5","5","1") = "8"
    & skf18("5","9","9","4","5","6","1") = "8"
    & skf18("5","9","9","4","5","7","1") = "8"
    & skf18("5","9","9","4","5","8","1") = "8"
    & skf18("5","9","9","4","5","9","1") = "8"
    & skf18("5","9","9","4","5","10","1") = "9"
    & skf18("5","9","9","4","6","1","1") = "8"
    & skf18("5","9","9","4","6","2","1") = "8"
    & skf18("5","9","9","4","6","3","1") = "8"
    & skf18("5","9","9","4","6","4","1") = "8"
    & skf18("5","9","9","4","6","5","1") = "8"
    & skf18("5","9","9","4","6","6","1") = "8"
    & skf18("5","9","9","4","6","7","1") = "8"
    & skf18("5","9","9","4","6","8","1") = "8"
    & skf18("5","9","9","4","6","9","1") = "8"
    & skf18("5","9","9","4","6","10","1") = "9"
    & skf18("5","9","9","4","7","1","1") = "8"
    & skf18("5","9","9","4","7","2","1") = "8"
    & skf18("5","9","9","4","7","3","1") = "8"
    & skf18("5","9","9","4","7","4","1") = "8"
    & skf18("5","9","9","4","7","5","1") = "8"
    & skf18("5","9","9","4","7","6","1") = "8"
    & skf18("5","9","9","4","7","7","1") = "8"
    & skf18("5","9","9","4","7","8","1") = "8"
    & skf18("5","9","9","4","7","9","1") = "8"
    & skf18("5","9","9","4","7","10","1") = "9"
    & skf18("5","9","9","4","8","1","1") = "8"
    & skf18("5","9","9","4","8","2","1") = "8"
    & skf18("5","9","9","4","8","3","1") = "8"
    & skf18("5","9","9","4","8","4","1") = "8"
    & skf18("5","9","9","4","8","5","1") = "8"
    & skf18("5","9","9","4","8","6","1") = "8"
    & skf18("5","9","9","4","8","7","1") = "8"
    & skf18("5","9","9","4","8","8","1") = "8"
    & skf18("5","9","9","4","8","9","1") = "8"
    & skf18("5","9","9","4","8","10","1") = "9"
    & skf18("5","9","9","4","9","1","1") = "8"
    & skf18("5","9","9","4","9","2","1") = "8"
    & skf18("5","9","9","4","9","3","1") = "8"
    & skf18("5","9","9","4","9","4","1") = "8"
    & skf18("5","9","9","4","9","5","1") = "8"
    & skf18("5","9","9","4","9","6","1") = "8"
    & skf18("5","9","9","4","9","7","1") = "8"
    & skf18("5","9","9","4","9","8","1") = "8"
    & skf18("5","9","9","4","9","9","1") = "8"
    & skf18("5","9","9","4","9","10","1") = "9"
    & skf18("5","9","9","4","10","1","1") = "9"
    & skf18("5","9","9","4","10","2","1") = "9"
    & skf18("5","9","9","4","10","3","1") = "9"
    & skf18("5","9","9","4","10","4","1") = "9"
    & skf18("5","9","9","4","10","5","1") = "9"
    & skf18("5","9","9","4","10","6","1") = "9"
    & skf18("5","9","9","4","10","7","1") = "9"
    & skf18("5","9","9","4","10","8","1") = "9"
    & skf18("5","9","9","4","10","9","1") = "9"
    & skf18("5","9","9","4","10","10","1") = "9"
    & skf18("5","9","9","5","1","1","1") = "8"
    & skf18("5","9","9","5","1","2","1") = "8"
    & skf18("5","9","9","5","1","3","1") = "8"
    & skf18("5","9","9","5","1","4","1") = "8"
    & skf18("5","9","9","5","1","5","1") = "8"
    & skf18("5","9","9","5","1","6","1") = "8"
    & skf18("5","9","9","5","1","7","1") = "8"
    & skf18("5","9","9","5","1","8","1") = "8"
    & skf18("5","9","9","5","1","9","1") = "8"
    & skf18("5","9","9","5","1","10","1") = "9"
    & skf18("5","9","9","5","2","1","1") = "8"
    & skf18("5","9","9","5","2","2","1") = "8"
    & skf18("5","9","9","5","2","3","1") = "8"
    & skf18("5","9","9","5","2","4","1") = "8"
    & skf18("5","9","9","5","2","5","1") = "8"
    & skf18("5","9","9","5","2","6","1") = "8"
    & skf18("5","9","9","5","2","7","1") = "8"
    & skf18("5","9","9","5","2","8","1") = "8"
    & skf18("5","9","9","5","2","9","1") = "8"
    & skf18("5","9","9","5","2","10","1") = "9"
    & skf18("5","9","9","5","3","1","1") = "8"
    & skf18("5","9","9","5","3","2","1") = "8"
    & skf18("5","9","9","5","3","3","1") = "8"
    & skf18("5","9","9","5","3","4","1") = "8"
    & skf18("5","9","9","5","3","5","1") = "8"
    & skf18("5","9","9","5","3","6","1") = "8"
    & skf18("5","9","9","5","3","7","1") = "8"
    & skf18("5","9","9","5","3","8","1") = "8"
    & skf18("5","9","9","5","3","9","1") = "8"
    & skf18("5","9","9","5","3","10","1") = "9"
    & skf18("5","9","9","5","4","1","1") = "8"
    & skf18("5","9","9","5","4","2","1") = "8"
    & skf18("5","9","9","5","4","3","1") = "8"
    & skf18("5","9","9","5","4","4","1") = "8"
    & skf18("5","9","9","5","4","5","1") = "8"
    & skf18("5","9","9","5","4","6","1") = "8"
    & skf18("5","9","9","5","4","7","1") = "8"
    & skf18("5","9","9","5","4","8","1") = "8"
    & skf18("5","9","9","5","4","9","1") = "8"
    & skf18("5","9","9","5","4","10","1") = "9"
    & skf18("5","9","9","5","5","1","1") = "8"
    & skf18("5","9","9","5","5","2","1") = "8"
    & skf18("5","9","9","5","5","3","1") = "8"
    & skf18("5","9","9","5","5","4","1") = "8"
    & skf18("5","9","9","5","5","5","1") = "8"
    & skf18("5","9","9","5","5","6","1") = "8"
    & skf18("5","9","9","5","5","7","1") = "8"
    & skf18("5","9","9","5","5","8","1") = "8"
    & skf18("5","9","9","5","5","9","1") = "8"
    & skf18("5","9","9","5","5","10","1") = "9"
    & skf18("5","9","9","5","6","1","1") = "8"
    & skf18("5","9","9","5","6","2","1") = "8"
    & skf18("5","9","9","5","6","3","1") = "8"
    & skf18("5","9","9","5","6","4","1") = "8"
    & skf18("5","9","9","5","6","5","1") = "8"
    & skf18("5","9","9","5","6","6","1") = "8"
    & skf18("5","9","9","5","6","7","1") = "8"
    & skf18("5","9","9","5","6","8","1") = "8"
    & skf18("5","9","9","5","6","9","1") = "8"
    & skf18("5","9","9","5","6","10","1") = "9"
    & skf18("5","9","9","5","7","1","1") = "8"
    & skf18("5","9","9","5","7","2","1") = "8"
    & skf18("5","9","9","5","7","3","1") = "8"
    & skf18("5","9","9","5","7","4","1") = "8"
    & skf18("5","9","9","5","7","5","1") = "8"
    & skf18("5","9","9","5","7","6","1") = "8"
    & skf18("5","9","9","5","7","7","1") = "8"
    & skf18("5","9","9","5","7","8","1") = "8"
    & skf18("5","9","9","5","7","9","1") = "8"
    & skf18("5","9","9","5","7","10","1") = "9"
    & skf18("5","9","9","5","8","1","1") = "8"
    & skf18("5","9","9","5","8","2","1") = "8"
    & skf18("5","9","9","5","8","3","1") = "8"
    & skf18("5","9","9","5","8","4","1") = "8"
    & skf18("5","9","9","5","8","5","1") = "8"
    & skf18("5","9","9","5","8","6","1") = "8"
    & skf18("5","9","9","5","8","7","1") = "8"
    & skf18("5","9","9","5","8","8","1") = "8"
    & skf18("5","9","9","5","8","9","1") = "8"
    & skf18("5","9","9","5","8","10","1") = "9"
    & skf18("5","9","9","5","9","1","1") = "8"
    & skf18("5","9","9","5","9","2","1") = "8"
    & skf18("5","9","9","5","9","3","1") = "8"
    & skf18("5","9","9","5","9","4","1") = "8"
    & skf18("5","9","9","5","9","5","1") = "8"
    & skf18("5","9","9","5","9","6","1") = "8"
    & skf18("5","9","9","5","9","7","1") = "8"
    & skf18("5","9","9","5","9","8","1") = "8"
    & skf18("5","9","9","5","9","9","1") = "8"
    & skf18("5","9","9","5","9","10","1") = "9"
    & skf18("5","9","9","5","10","1","1") = "9"
    & skf18("5","9","9","5","10","2","1") = "9"
    & skf18("5","9","9","5","10","3","1") = "9"
    & skf18("5","9","9","5","10","4","1") = "9"
    & skf18("5","9","9","5","10","5","1") = "9"
    & skf18("5","9","9","5","10","6","1") = "9"
    & skf18("5","9","9","5","10","7","1") = "9"
    & skf18("5","9","9","5","10","8","1") = "9"
    & skf18("5","9","9","5","10","9","1") = "9"
    & skf18("5","9","9","5","10","10","1") = "9"
    & skf18("5","9","9","6","1","1","1") = "8"
    & skf18("5","9","9","6","1","2","1") = "8"
    & skf18("5","9","9","6","1","3","1") = "8"
    & skf18("5","9","9","6","1","4","1") = "8"
    & skf18("5","9","9","6","1","5","1") = "8"
    & skf18("5","9","9","6","1","6","1") = "8"
    & skf18("5","9","9","6","1","7","1") = "8"
    & skf18("5","9","9","6","1","8","1") = "8"
    & skf18("5","9","9","6","1","9","1") = "8"
    & skf18("5","9","9","6","1","10","1") = "9"
    & skf18("5","9","9","6","2","1","1") = "8"
    & skf18("5","9","9","6","2","2","1") = "8"
    & skf18("5","9","9","6","2","3","1") = "8"
    & skf18("5","9","9","6","2","4","1") = "8"
    & skf18("5","9","9","6","2","5","1") = "8"
    & skf18("5","9","9","6","2","6","1") = "8"
    & skf18("5","9","9","6","2","7","1") = "8"
    & skf18("5","9","9","6","2","8","1") = "8"
    & skf18("5","9","9","6","2","9","1") = "8"
    & skf18("5","9","9","6","2","10","1") = "9"
    & skf18("5","9","9","6","3","1","1") = "8"
    & skf18("5","9","9","6","3","2","1") = "8"
    & skf18("5","9","9","6","3","3","1") = "8"
    & skf18("5","9","9","6","3","4","1") = "8"
    & skf18("5","9","9","6","3","5","1") = "8"
    & skf18("5","9","9","6","3","6","1") = "8"
    & skf18("5","9","9","6","3","7","1") = "8"
    & skf18("5","9","9","6","3","8","1") = "8"
    & skf18("5","9","9","6","3","9","1") = "8"
    & skf18("5","9","9","6","3","10","1") = "9"
    & skf18("5","9","9","6","4","1","1") = "8"
    & skf18("5","9","9","6","4","2","1") = "8"
    & skf18("5","9","9","6","4","3","1") = "8"
    & skf18("5","9","9","6","4","4","1") = "8"
    & skf18("5","9","9","6","4","5","1") = "8"
    & skf18("5","9","9","6","4","6","1") = "8"
    & skf18("5","9","9","6","4","7","1") = "8"
    & skf18("5","9","9","6","4","8","1") = "8"
    & skf18("5","9","9","6","4","9","1") = "8"
    & skf18("5","9","9","6","4","10","1") = "9"
    & skf18("5","9","9","6","5","1","1") = "8"
    & skf18("5","9","9","6","5","2","1") = "8"
    & skf18("5","9","9","6","5","3","1") = "8"
    & skf18("5","9","9","6","5","4","1") = "8"
    & skf18("5","9","9","6","5","5","1") = "8"
    & skf18("5","9","9","6","5","6","1") = "8"
    & skf18("5","9","9","6","5","7","1") = "8"
    & skf18("5","9","9","6","5","8","1") = "8"
    & skf18("5","9","9","6","5","9","1") = "8"
    & skf18("5","9","9","6","5","10","1") = "9"
    & skf18("5","9","9","6","6","1","1") = "8"
    & skf18("5","9","9","6","6","2","1") = "8"
    & skf18("5","9","9","6","6","3","1") = "8"
    & skf18("5","9","9","6","6","4","1") = "8"
    & skf18("5","9","9","6","6","5","1") = "8"
    & skf18("5","9","9","6","6","6","1") = "8"
    & skf18("5","9","9","6","6","7","1") = "8"
    & skf18("5","9","9","6","6","8","1") = "8"
    & skf18("5","9","9","6","6","9","1") = "8"
    & skf18("5","9","9","6","6","10","1") = "9"
    & skf18("5","9","9","6","7","1","1") = "8"
    & skf18("5","9","9","6","7","2","1") = "8"
    & skf18("5","9","9","6","7","3","1") = "8"
    & skf18("5","9","9","6","7","4","1") = "8"
    & skf18("5","9","9","6","7","5","1") = "8"
    & skf18("5","9","9","6","7","6","1") = "8"
    & skf18("5","9","9","6","7","7","1") = "8"
    & skf18("5","9","9","6","7","8","1") = "8"
    & skf18("5","9","9","6","7","9","1") = "8"
    & skf18("5","9","9","6","7","10","1") = "9"
    & skf18("5","9","9","6","8","1","1") = "8"
    & skf18("5","9","9","6","8","2","1") = "8"
    & skf18("5","9","9","6","8","3","1") = "8"
    & skf18("5","9","9","6","8","4","1") = "8"
    & skf18("5","9","9","6","8","5","1") = "8"
    & skf18("5","9","9","6","8","6","1") = "8"
    & skf18("5","9","9","6","8","7","1") = "8"
    & skf18("5","9","9","6","8","8","1") = "8"
    & skf18("5","9","9","6","8","9","1") = "8"
    & skf18("5","9","9","6","8","10","1") = "9"
    & skf18("5","9","9","6","9","1","1") = "8"
    & skf18("5","9","9","6","9","2","1") = "8"
    & skf18("5","9","9","6","9","3","1") = "8"
    & skf18("5","9","9","6","9","4","1") = "8"
    & skf18("5","9","9","6","9","5","1") = "8"
    & skf18("5","9","9","6","9","6","1") = "8"
    & skf18("5","9","9","6","9","7","1") = "8"
    & skf18("5","9","9","6","9","8","1") = "8"
    & skf18("5","9","9","6","9","9","1") = "8"
    & skf18("5","9","9","6","9","10","1") = "9"
    & skf18("5","9","9","6","10","1","1") = "9"
    & skf18("5","9","9","6","10","2","1") = "9"
    & skf18("5","9","9","6","10","3","1") = "9"
    & skf18("5","9","9","6","10","4","1") = "9"
    & skf18("5","9","9","6","10","5","1") = "9"
    & skf18("5","9","9","6","10","6","1") = "9"
    & skf18("5","9","9","6","10","7","1") = "9"
    & skf18("5","9","9","6","10","8","1") = "9"
    & skf18("5","9","9","6","10","9","1") = "9"
    & skf18("5","9","9","6","10","10","1") = "9"
    & skf18("5","9","9","7","1","1","1") = "8"
    & skf18("5","9","9","7","1","2","1") = "8"
    & skf18("5","9","9","7","1","3","1") = "8"
    & skf18("5","9","9","7","1","4","1") = "8"
    & skf18("5","9","9","7","1","5","1") = "8"
    & skf18("5","9","9","7","1","6","1") = "8"
    & skf18("5","9","9","7","1","7","1") = "8"
    & skf18("5","9","9","7","1","8","1") = "8"
    & skf18("5","9","9","7","1","9","1") = "8"
    & skf18("5","9","9","7","1","10","1") = "9"
    & skf18("5","9","9","7","2","1","1") = "8"
    & skf18("5","9","9","7","2","2","1") = "8"
    & skf18("5","9","9","7","2","3","1") = "8"
    & skf18("5","9","9","7","2","4","1") = "8"
    & skf18("5","9","9","7","2","5","1") = "8"
    & skf18("5","9","9","7","2","6","1") = "8"
    & skf18("5","9","9","7","2","7","1") = "8"
    & skf18("5","9","9","7","2","8","1") = "8"
    & skf18("5","9","9","7","2","9","1") = "8"
    & skf18("5","9","9","7","2","10","1") = "9"
    & skf18("5","9","9","7","3","1","1") = "8"
    & skf18("5","9","9","7","3","2","1") = "8"
    & skf18("5","9","9","7","3","3","1") = "8"
    & skf18("5","9","9","7","3","4","1") = "8"
    & skf18("5","9","9","7","3","5","1") = "8"
    & skf18("5","9","9","7","3","6","1") = "8"
    & skf18("5","9","9","7","3","7","1") = "8"
    & skf18("5","9","9","7","3","8","1") = "8"
    & skf18("5","9","9","7","3","9","1") = "8"
    & skf18("5","9","9","7","3","10","1") = "9"
    & skf18("5","9","9","7","4","1","1") = "8"
    & skf18("5","9","9","7","4","2","1") = "8"
    & skf18("5","9","9","7","4","3","1") = "8"
    & skf18("5","9","9","7","4","4","1") = "8"
    & skf18("5","9","9","7","4","5","1") = "8"
    & skf18("5","9","9","7","4","6","1") = "8"
    & skf18("5","9","9","7","4","7","1") = "8"
    & skf18("5","9","9","7","4","8","1") = "8"
    & skf18("5","9","9","7","4","9","1") = "8"
    & skf18("5","9","9","7","4","10","1") = "9"
    & skf18("5","9","9","7","5","1","1") = "8"
    & skf18("5","9","9","7","5","2","1") = "8"
    & skf18("5","9","9","7","5","3","1") = "8"
    & skf18("5","9","9","7","5","4","1") = "8"
    & skf18("5","9","9","7","5","5","1") = "8"
    & skf18("5","9","9","7","5","6","1") = "8"
    & skf18("5","9","9","7","5","7","1") = "8"
    & skf18("5","9","9","7","5","8","1") = "8"
    & skf18("5","9","9","7","5","9","1") = "8"
    & skf18("5","9","9","7","5","10","1") = "9"
    & skf18("5","9","9","7","6","1","1") = "8"
    & skf18("5","9","9","7","6","2","1") = "8"
    & skf18("5","9","9","7","6","3","1") = "8"
    & skf18("5","9","9","7","6","4","1") = "8"
    & skf18("5","9","9","7","6","5","1") = "8"
    & skf18("5","9","9","7","6","6","1") = "8"
    & skf18("5","9","9","7","6","7","1") = "8"
    & skf18("5","9","9","7","6","8","1") = "8"
    & skf18("5","9","9","7","6","9","1") = "8"
    & skf18("5","9","9","7","6","10","1") = "9"
    & skf18("5","9","9","7","7","1","1") = "8"
    & skf18("5","9","9","7","7","2","1") = "8"
    & skf18("5","9","9","7","7","3","1") = "8"
    & skf18("5","9","9","7","7","4","1") = "8"
    & skf18("5","9","9","7","7","5","1") = "8"
    & skf18("5","9","9","7","7","6","1") = "8"
    & skf18("5","9","9","7","7","7","1") = "8"
    & skf18("5","9","9","7","7","8","1") = "8"
    & skf18("5","9","9","7","7","9","1") = "8"
    & skf18("5","9","9","7","7","10","1") = "9"
    & skf18("5","9","9","7","8","1","1") = "8"
    & skf18("5","9","9","7","8","2","1") = "8"
    & skf18("5","9","9","7","8","3","1") = "8"
    & skf18("5","9","9","7","8","4","1") = "8"
    & skf18("5","9","9","7","8","5","1") = "8"
    & skf18("5","9","9","7","8","6","1") = "8"
    & skf18("5","9","9","7","8","7","1") = "8"
    & skf18("5","9","9","7","8","8","1") = "8"
    & skf18("5","9","9","7","8","9","1") = "8"
    & skf18("5","9","9","7","8","10","1") = "9"
    & skf18("5","9","9","7","9","1","1") = "8"
    & skf18("5","9","9","7","9","2","1") = "8"
    & skf18("5","9","9","7","9","3","1") = "8"
    & skf18("5","9","9","7","9","4","1") = "8"
    & skf18("5","9","9","7","9","5","1") = "8"
    & skf18("5","9","9","7","9","6","1") = "8"
    & skf18("5","9","9","7","9","7","1") = "8"
    & skf18("5","9","9","7","9","8","1") = "8"
    & skf18("5","9","9","7","9","9","1") = "8"
    & skf18("5","9","9","7","9","10","1") = "9"
    & skf18("5","9","9","7","10","1","1") = "9"
    & skf18("5","9","9","7","10","2","1") = "9"
    & skf18("5","9","9","7","10","3","1") = "9"
    & skf18("5","9","9","7","10","4","1") = "9"
    & skf18("5","9","9","7","10","5","1") = "9"
    & skf18("5","9","9","7","10","6","1") = "9"
    & skf18("5","9","9","7","10","7","1") = "9"
    & skf18("5","9","9","7","10","8","1") = "9"
    & skf18("5","9","9","7","10","9","1") = "9"
    & skf18("5","9","9","7","10","10","1") = "9"
    & skf18("5","9","9","8","1","1","1") = "8"
    & skf18("5","9","9","8","1","2","1") = "8"
    & skf18("5","9","9","8","1","3","1") = "8"
    & skf18("5","9","9","8","1","4","1") = "8"
    & skf18("5","9","9","8","1","5","1") = "8"
    & skf18("5","9","9","8","1","6","1") = "8"
    & skf18("5","9","9","8","1","7","1") = "8"
    & skf18("5","9","9","8","1","8","1") = "8"
    & skf18("5","9","9","8","1","9","1") = "8"
    & skf18("5","9","9","8","1","10","1") = "9"
    & skf18("5","9","9","8","2","1","1") = "8"
    & skf18("5","9","9","8","2","2","1") = "8"
    & skf18("5","9","9","8","2","3","1") = "8"
    & skf18("5","9","9","8","2","4","1") = "8"
    & skf18("5","9","9","8","2","5","1") = "8"
    & skf18("5","9","9","8","2","6","1") = "8"
    & skf18("5","9","9","8","2","7","1") = "8"
    & skf18("5","9","9","8","2","8","1") = "8"
    & skf18("5","9","9","8","2","9","1") = "8"
    & skf18("5","9","9","8","2","10","1") = "9"
    & skf18("5","9","9","8","3","1","1") = "8"
    & skf18("5","9","9","8","3","2","1") = "8"
    & skf18("5","9","9","8","3","3","1") = "8"
    & skf18("5","9","9","8","3","4","1") = "8"
    & skf18("5","9","9","8","3","5","1") = "8"
    & skf18("5","9","9","8","3","6","1") = "8"
    & skf18("5","9","9","8","3","7","1") = "8"
    & skf18("5","9","9","8","3","8","1") = "8"
    & skf18("5","9","9","8","3","9","1") = "8"
    & skf18("5","9","9","8","3","10","1") = "9"
    & skf18("5","9","9","8","4","1","1") = "8"
    & skf18("5","9","9","8","4","2","1") = "8"
    & skf18("5","9","9","8","4","3","1") = "8"
    & skf18("5","9","9","8","4","4","1") = "8"
    & skf18("5","9","9","8","4","5","1") = "8"
    & skf18("5","9","9","8","4","6","1") = "8"
    & skf18("5","9","9","8","4","7","1") = "8"
    & skf18("5","9","9","8","4","8","1") = "8"
    & skf18("5","9","9","8","4","9","1") = "8"
    & skf18("5","9","9","8","4","10","1") = "9"
    & skf18("5","9","9","8","5","1","1") = "8"
    & skf18("5","9","9","8","5","2","1") = "8"
    & skf18("5","9","9","8","5","3","1") = "8"
    & skf18("5","9","9","8","5","4","1") = "8"
    & skf18("5","9","9","8","5","5","1") = "8"
    & skf18("5","9","9","8","5","6","1") = "8"
    & skf18("5","9","9","8","5","7","1") = "8"
    & skf18("5","9","9","8","5","8","1") = "8"
    & skf18("5","9","9","8","5","9","1") = "8"
    & skf18("5","9","9","8","5","10","1") = "9"
    & skf18("5","9","9","8","6","1","1") = "8"
    & skf18("5","9","9","8","6","2","1") = "8"
    & skf18("5","9","9","8","6","3","1") = "8"
    & skf18("5","9","9","8","6","4","1") = "8"
    & skf18("5","9","9","8","6","5","1") = "8"
    & skf18("5","9","9","8","6","6","1") = "8"
    & skf18("5","9","9","8","6","7","1") = "8"
    & skf18("5","9","9","8","6","8","1") = "8"
    & skf18("5","9","9","8","6","9","1") = "8"
    & skf18("5","9","9","8","6","10","1") = "9"
    & skf18("5","9","9","8","7","1","1") = "8"
    & skf18("5","9","9","8","7","2","1") = "8"
    & skf18("5","9","9","8","7","3","1") = "8"
    & skf18("5","9","9","8","7","4","1") = "8"
    & skf18("5","9","9","8","7","5","1") = "8"
    & skf18("5","9","9","8","7","6","1") = "8"
    & skf18("5","9","9","8","7","7","1") = "8"
    & skf18("5","9","9","8","7","8","1") = "8"
    & skf18("5","9","9","8","7","9","1") = "8"
    & skf18("5","9","9","8","7","10","1") = "9"
    & skf18("5","9","9","8","8","1","1") = "8"
    & skf18("5","9","9","8","8","2","1") = "8"
    & skf18("5","9","9","8","8","3","1") = "8"
    & skf18("5","9","9","8","8","4","1") = "8"
    & skf18("5","9","9","8","8","5","1") = "8"
    & skf18("5","9","9","8","8","6","1") = "8"
    & skf18("5","9","9","8","8","7","1") = "8"
    & skf18("5","9","9","8","8","8","1") = "8"
    & skf18("5","9","9","8","8","9","1") = "8"
    & skf18("5","9","9","8","8","10","1") = "9"
    & skf18("5","9","9","8","9","1","1") = "8"
    & skf18("5","9","9","8","9","2","1") = "8"
    & skf18("5","9","9","8","9","3","1") = "8"
    & skf18("5","9","9","8","9","4","1") = "8"
    & skf18("5","9","9","8","9","5","1") = "8"
    & skf18("5","9","9","8","9","6","1") = "8"
    & skf18("5","9","9","8","9","7","1") = "8"
    & skf18("5","9","9","8","9","8","1") = "8"
    & skf18("5","9","9","8","9","9","1") = "8"
    & skf18("5","9","9","8","9","10","1") = "9"
    & skf18("5","9","9","8","10","1","1") = "9"
    & skf18("5","9","9","8","10","2","1") = "9"
    & skf18("5","9","9","8","10","3","1") = "9"
    & skf18("5","9","9","8","10","4","1") = "9"
    & skf18("5","9","9","8","10","5","1") = "9"
    & skf18("5","9","9","8","10","6","1") = "9"
    & skf18("5","9","9","8","10","7","1") = "9"
    & skf18("5","9","9","8","10","8","1") = "9"
    & skf18("5","9","9","8","10","9","1") = "9"
    & skf18("5","9","9","8","10","10","1") = "9"
    & skf18("5","9","9","9","1","1","1") = "8"
    & skf18("5","9","9","9","1","2","1") = "8"
    & skf18("5","9","9","9","1","3","1") = "8"
    & skf18("5","9","9","9","1","4","1") = "8"
    & skf18("5","9","9","9","1","5","1") = "8"
    & skf18("5","9","9","9","1","6","1") = "8"
    & skf18("5","9","9","9","1","7","1") = "8"
    & skf18("5","9","9","9","1","8","1") = "8"
    & skf18("5","9","9","9","1","9","1") = "8"
    & skf18("5","9","9","9","1","10","1") = "9"
    & skf18("5","9","9","9","2","1","1") = "8"
    & skf18("5","9","9","9","2","2","1") = "8"
    & skf18("5","9","9","9","2","3","1") = "8"
    & skf18("5","9","9","9","2","4","1") = "8"
    & skf18("5","9","9","9","2","5","1") = "8"
    & skf18("5","9","9","9","2","6","1") = "8"
    & skf18("5","9","9","9","2","7","1") = "8"
    & skf18("5","9","9","9","2","8","1") = "8"
    & skf18("5","9","9","9","2","9","1") = "8"
    & skf18("5","9","9","9","2","10","1") = "9"
    & skf18("5","9","9","9","3","1","1") = "8"
    & skf18("5","9","9","9","3","2","1") = "8"
    & skf18("5","9","9","9","3","3","1") = "8"
    & skf18("5","9","9","9","3","4","1") = "8"
    & skf18("5","9","9","9","3","5","1") = "8"
    & skf18("5","9","9","9","3","6","1") = "8"
    & skf18("5","9","9","9","3","7","1") = "8"
    & skf18("5","9","9","9","3","8","1") = "8"
    & skf18("5","9","9","9","3","9","1") = "8"
    & skf18("5","9","9","9","3","10","1") = "9"
    & skf18("5","9","9","9","4","1","1") = "8"
    & skf18("5","9","9","9","4","2","1") = "8"
    & skf18("5","9","9","9","4","3","1") = "8"
    & skf18("5","9","9","9","4","4","1") = "8"
    & skf18("5","9","9","9","4","5","1") = "8"
    & skf18("5","9","9","9","4","6","1") = "8"
    & skf18("5","9","9","9","4","7","1") = "8"
    & skf18("5","9","9","9","4","8","1") = "8"
    & skf18("5","9","9","9","4","9","1") = "8"
    & skf18("5","9","9","9","4","10","1") = "9"
    & skf18("5","9","9","9","5","1","1") = "8"
    & skf18("5","9","9","9","5","2","1") = "8"
    & skf18("5","9","9","9","5","3","1") = "8"
    & skf18("5","9","9","9","5","4","1") = "8"
    & skf18("5","9","9","9","5","5","1") = "8"
    & skf18("5","9","9","9","5","6","1") = "8"
    & skf18("5","9","9","9","5","7","1") = "8"
    & skf18("5","9","9","9","5","8","1") = "8"
    & skf18("5","9","9","9","5","9","1") = "8"
    & skf18("5","9","9","9","5","10","1") = "9"
    & skf18("5","9","9","9","6","1","1") = "8"
    & skf18("5","9","9","9","6","2","1") = "8"
    & skf18("5","9","9","9","6","3","1") = "8"
    & skf18("5","9","9","9","6","4","1") = "8"
    & skf18("5","9","9","9","6","5","1") = "8"
    & skf18("5","9","9","9","6","6","1") = "8"
    & skf18("5","9","9","9","6","7","1") = "8"
    & skf18("5","9","9","9","6","8","1") = "8"
    & skf18("5","9","9","9","6","9","1") = "8"
    & skf18("5","9","9","9","6","10","1") = "9"
    & skf18("5","9","9","9","7","1","1") = "8"
    & skf18("5","9","9","9","7","2","1") = "8"
    & skf18("5","9","9","9","7","3","1") = "8"
    & skf18("5","9","9","9","7","4","1") = "8"
    & skf18("5","9","9","9","7","5","1") = "8"
    & skf18("5","9","9","9","7","6","1") = "8"
    & skf18("5","9","9","9","7","7","1") = "8"
    & skf18("5","9","9","9","7","8","1") = "8"
    & skf18("5","9","9","9","7","9","1") = "8"
    & skf18("5","9","9","9","7","10","1") = "9"
    & skf18("5","9","9","9","8","1","1") = "8"
    & skf18("5","9","9","9","8","2","1") = "8"
    & skf18("5","9","9","9","8","3","1") = "8"
    & skf18("5","9","9","9","8","4","1") = "8"
    & skf18("5","9","9","9","8","5","1") = "8"
    & skf18("5","9","9","9","8","6","1") = "8"
    & skf18("5","9","9","9","8","7","1") = "8"
    & skf18("5","9","9","9","8","8","1") = "8"
    & skf18("5","9","9","9","8","9","1") = "8"
    & skf18("5","9","9","9","8","10","1") = "9"
    & skf18("5","9","9","9","9","1","1") = "8"
    & skf18("5","9","9","9","9","2","1") = "8"
    & skf18("5","9","9","9","9","3","1") = "8"
    & skf18("5","9","9","9","9","4","1") = "8"
    & skf18("5","9","9","9","9","5","1") = "8"
    & skf18("5","9","9","9","9","6","1") = "8"
    & skf18("5","9","9","9","9","7","1") = "8"
    & skf18("5","9","9","9","9","8","1") = "8"
    & skf18("5","9","9","9","9","9","1") = "8"
    & skf18("5","9","9","9","9","10","1") = "9"
    & skf18("5","9","9","9","10","1","1") = "9"
    & skf18("5","9","9","9","10","2","1") = "9"
    & skf18("5","9","9","9","10","3","1") = "9"
    & skf18("5","9","9","9","10","4","1") = "9"
    & skf18("5","9","9","9","10","5","1") = "9"
    & skf18("5","9","9","9","10","6","1") = "9"
    & skf18("5","9","9","9","10","7","1") = "9"
    & skf18("5","9","9","9","10","8","1") = "9"
    & skf18("5","9","9","9","10","9","1") = "9"
    & skf18("5","9","9","9","10","10","1") = "9"
    & skf18("5","9","9","10","1","1","1") = "9"
    & skf18("5","9","9","10","1","2","1") = "9"
    & skf18("5","9","9","10","1","3","1") = "9"
    & skf18("5","9","9","10","1","4","1") = "9"
    & skf18("5","9","9","10","1","5","1") = "9"
    & skf18("5","9","9","10","1","6","1") = "9"
    & skf18("5","9","9","10","1","7","1") = "9"
    & skf18("5","9","9","10","1","8","1") = "9"
    & skf18("5","9","9","10","1","9","1") = "9"
    & skf18("5","9","9","10","1","10","1") = "9"
    & skf18("5","9","9","10","2","1","1") = "9"
    & skf18("5","9","9","10","2","2","1") = "9"
    & skf18("5","9","9","10","2","3","1") = "9"
    & skf18("5","9","9","10","2","4","1") = "9"
    & skf18("5","9","9","10","2","5","1") = "9"
    & skf18("5","9","9","10","2","6","1") = "9"
    & skf18("5","9","9","10","2","7","1") = "9"
    & skf18("5","9","9","10","2","8","1") = "9"
    & skf18("5","9","9","10","2","9","1") = "9"
    & skf18("5","9","9","10","2","10","1") = "9"
    & skf18("5","9","9","10","3","1","1") = "9"
    & skf18("5","9","9","10","3","2","1") = "9"
    & skf18("5","9","9","10","3","3","1") = "9"
    & skf18("5","9","9","10","3","4","1") = "9"
    & skf18("5","9","9","10","3","5","1") = "9"
    & skf18("5","9","9","10","3","6","1") = "9"
    & skf18("5","9","9","10","3","7","1") = "9"
    & skf18("5","9","9","10","3","8","1") = "9"
    & skf18("5","9","9","10","3","9","1") = "9"
    & skf18("5","9","9","10","3","10","1") = "9"
    & skf18("5","9","9","10","4","1","1") = "9"
    & skf18("5","9","9","10","4","2","1") = "9"
    & skf18("5","9","9","10","4","3","1") = "9"
    & skf18("5","9","9","10","4","4","1") = "9"
    & skf18("5","9","9","10","4","5","1") = "9"
    & skf18("5","9","9","10","4","6","1") = "9"
    & skf18("5","9","9","10","4","7","1") = "9"
    & skf18("5","9","9","10","4","8","1") = "9"
    & skf18("5","9","9","10","4","9","1") = "9"
    & skf18("5","9","9","10","4","10","1") = "9"
    & skf18("5","9","9","10","5","1","1") = "9"
    & skf18("5","9","9","10","5","2","1") = "9"
    & skf18("5","9","9","10","5","3","1") = "9"
    & skf18("5","9","9","10","5","4","1") = "9"
    & skf18("5","9","9","10","5","5","1") = "9"
    & skf18("5","9","9","10","5","6","1") = "9"
    & skf18("5","9","9","10","5","7","1") = "9"
    & skf18("5","9","9","10","5","8","1") = "9"
    & skf18("5","9","9","10","5","9","1") = "9"
    & skf18("5","9","9","10","5","10","1") = "9"
    & skf18("5","9","9","10","6","1","1") = "9"
    & skf18("5","9","9","10","6","2","1") = "9"
    & skf18("5","9","9","10","6","3","1") = "9"
    & skf18("5","9","9","10","6","4","1") = "9"
    & skf18("5","9","9","10","6","5","1") = "9"
    & skf18("5","9","9","10","6","6","1") = "9"
    & skf18("5","9","9","10","6","7","1") = "9"
    & skf18("5","9","9","10","6","8","1") = "9"
    & skf18("5","9","9","10","6","9","1") = "9"
    & skf18("5","9","9","10","6","10","1") = "9"
    & skf18("5","9","9","10","7","1","1") = "9"
    & skf18("5","9","9","10","7","2","1") = "9"
    & skf18("5","9","9","10","7","3","1") = "9"
    & skf18("5","9","9","10","7","4","1") = "9"
    & skf18("5","9","9","10","7","5","1") = "9"
    & skf18("5","9","9","10","7","6","1") = "9"
    & skf18("5","9","9","10","7","7","1") = "9"
    & skf18("5","9","9","10","7","8","1") = "9"
    & skf18("5","9","9","10","7","9","1") = "9"
    & skf18("5","9","9","10","7","10","1") = "9"
    & skf18("5","9","9","10","8","1","1") = "9"
    & skf18("5","9","9","10","8","2","1") = "9"
    & skf18("5","9","9","10","8","3","1") = "9"
    & skf18("5","9","9","10","8","4","1") = "9"
    & skf18("5","9","9","10","8","5","1") = "9"
    & skf18("5","9","9","10","8","6","1") = "9"
    & skf18("5","9","9","10","8","7","1") = "9"
    & skf18("5","9","9","10","8","8","1") = "9"
    & skf18("5","9","9","10","8","9","1") = "9"
    & skf18("5","9","9","10","8","10","1") = "9"
    & skf18("5","9","9","10","9","1","1") = "9"
    & skf18("5","9","9","10","9","2","1") = "9"
    & skf18("5","9","9","10","9","3","1") = "9"
    & skf18("5","9","9","10","9","4","1") = "9"
    & skf18("5","9","9","10","9","5","1") = "9"
    & skf18("5","9","9","10","9","6","1") = "9"
    & skf18("5","9","9","10","9","7","1") = "9"
    & skf18("5","9","9","10","9","8","1") = "9"
    & skf18("5","9","9","10","9","9","1") = "9"
    & skf18("5","9","9","10","9","10","1") = "9"
    & skf18("5","9","9","10","10","1","1") = "9"
    & skf18("5","9","9","10","10","2","1") = "9"
    & skf18("5","9","9","10","10","3","1") = "9"
    & skf18("5","9","9","10","10","4","1") = "9"
    & skf18("5","9","9","10","10","5","1") = "9"
    & skf18("5","9","9","10","10","6","1") = "9"
    & skf18("5","9","9","10","10","7","1") = "9"
    & skf18("5","9","9","10","10","8","1") = "9"
    & skf18("5","9","9","10","10","9","1") = "9"
    & skf18("5","9","9","10","10","10","1") = "9"
    & skf18("5","9","10","1","1","1","1") = "9"
    & skf18("5","9","10","1","1","2","1") = "9"
    & skf18("5","9","10","1","1","3","1") = "9"
    & skf18("5","9","10","1","1","4","1") = "9"
    & skf18("5","9","10","1","1","5","1") = "9"
    & skf18("5","9","10","1","1","6","1") = "9"
    & skf18("5","9","10","1","1","7","1") = "9"
    & skf18("5","9","10","1","1","8","1") = "9"
    & skf18("5","9","10","1","1","9","1") = "9"
    & skf18("5","9","10","1","1","10","1") = "9"
    & skf18("5","9","10","1","2","1","1") = "9"
    & skf18("5","9","10","1","2","2","1") = "9"
    & skf18("5","9","10","1","2","3","1") = "9"
    & skf18("5","9","10","1","2","4","1") = "9"
    & skf18("5","9","10","1","2","5","1") = "9"
    & skf18("5","9","10","1","2","6","1") = "9"
    & skf18("5","9","10","1","2","7","1") = "9"
    & skf18("5","9","10","1","2","8","1") = "9"
    & skf18("5","9","10","1","2","9","1") = "9"
    & skf18("5","9","10","1","2","10","1") = "9"
    & skf18("5","9","10","1","3","1","1") = "9"
    & skf18("5","9","10","1","3","2","1") = "9"
    & skf18("5","9","10","1","3","3","1") = "9"
    & skf18("5","9","10","1","3","4","1") = "9"
    & skf18("5","9","10","1","3","5","1") = "9"
    & skf18("5","9","10","1","3","6","1") = "9"
    & skf18("5","9","10","1","3","7","1") = "9"
    & skf18("5","9","10","1","3","8","1") = "9"
    & skf18("5","9","10","1","3","9","1") = "9"
    & skf18("5","9","10","1","3","10","1") = "9"
    & skf18("5","9","10","1","4","1","1") = "9"
    & skf18("5","9","10","1","4","2","1") = "9"
    & skf18("5","9","10","1","4","3","1") = "9"
    & skf18("5","9","10","1","4","4","1") = "9"
    & skf18("5","9","10","1","4","5","1") = "9"
    & skf18("5","9","10","1","4","6","1") = "9"
    & skf18("5","9","10","1","4","7","1") = "9"
    & skf18("5","9","10","1","4","8","1") = "9"
    & skf18("5","9","10","1","4","9","1") = "9"
    & skf18("5","9","10","1","4","10","1") = "9"
    & skf18("5","9","10","1","5","1","1") = "9"
    & skf18("5","9","10","1","5","2","1") = "9"
    & skf18("5","9","10","1","5","3","1") = "9"
    & skf18("5","9","10","1","5","4","1") = "9"
    & skf18("5","9","10","1","5","5","1") = "9"
    & skf18("5","9","10","1","5","6","1") = "9"
    & skf18("5","9","10","1","5","7","1") = "9"
    & skf18("5","9","10","1","5","8","1") = "9"
    & skf18("5","9","10","1","5","9","1") = "9"
    & skf18("5","9","10","1","5","10","1") = "9"
    & skf18("5","9","10","1","6","1","1") = "9"
    & skf18("5","9","10","1","6","2","1") = "9"
    & skf18("5","9","10","1","6","3","1") = "9"
    & skf18("5","9","10","1","6","4","1") = "9"
    & skf18("5","9","10","1","6","5","1") = "9"
    & skf18("5","9","10","1","6","6","1") = "9"
    & skf18("5","9","10","1","6","7","1") = "9"
    & skf18("5","9","10","1","6","8","1") = "9"
    & skf18("5","9","10","1","6","9","1") = "9"
    & skf18("5","9","10","1","6","10","1") = "9"
    & skf18("5","9","10","1","7","1","1") = "9"
    & skf18("5","9","10","1","7","2","1") = "9"
    & skf18("5","9","10","1","7","3","1") = "9"
    & skf18("5","9","10","1","7","4","1") = "9"
    & skf18("5","9","10","1","7","5","1") = "9"
    & skf18("5","9","10","1","7","6","1") = "9"
    & skf18("5","9","10","1","7","7","1") = "9"
    & skf18("5","9","10","1","7","8","1") = "9"
    & skf18("5","9","10","1","7","9","1") = "9"
    & skf18("5","9","10","1","7","10","1") = "9"
    & skf18("5","9","10","1","8","1","1") = "9"
    & skf18("5","9","10","1","8","2","1") = "9"
    & skf18("5","9","10","1","8","3","1") = "9"
    & skf18("5","9","10","1","8","4","1") = "9"
    & skf18("5","9","10","1","8","5","1") = "9"
    & skf18("5","9","10","1","8","6","1") = "9"
    & skf18("5","9","10","1","8","7","1") = "9"
    & skf18("5","9","10","1","8","8","1") = "9"
    & skf18("5","9","10","1","8","9","1") = "9"
    & skf18("5","9","10","1","8","10","1") = "9"
    & skf18("5","9","10","1","9","1","1") = "9"
    & skf18("5","9","10","1","9","2","1") = "9"
    & skf18("5","9","10","1","9","3","1") = "9"
    & skf18("5","9","10","1","9","4","1") = "9"
    & skf18("5","9","10","1","9","5","1") = "9"
    & skf18("5","9","10","1","9","6","1") = "9"
    & skf18("5","9","10","1","9","7","1") = "9"
    & skf18("5","9","10","1","9","8","1") = "9"
    & skf18("5","9","10","1","9","9","1") = "9"
    & skf18("5","9","10","1","9","10","1") = "9"
    & skf18("5","9","10","1","10","1","1") = "9"
    & skf18("5","9","10","1","10","2","1") = "9"
    & skf18("5","9","10","1","10","3","1") = "9"
    & skf18("5","9","10","1","10","4","1") = "9"
    & skf18("5","9","10","1","10","5","1") = "9"
    & skf18("5","9","10","1","10","6","1") = "9"
    & skf18("5","9","10","1","10","7","1") = "9"
    & skf18("5","9","10","1","10","8","1") = "9"
    & skf18("5","9","10","1","10","9","1") = "9"
    & skf18("5","9","10","1","10","10","1") = "9"
    & skf18("5","9","10","2","1","1","1") = "9"
    & skf18("5","9","10","2","1","2","1") = "9"
    & skf18("5","9","10","2","1","3","1") = "9"
    & skf18("5","9","10","2","1","4","1") = "9"
    & skf18("5","9","10","2","1","5","1") = "9"
    & skf18("5","9","10","2","1","6","1") = "9"
    & skf18("5","9","10","2","1","7","1") = "9"
    & skf18("5","9","10","2","1","8","1") = "9"
    & skf18("5","9","10","2","1","9","1") = "9"
    & skf18("5","9","10","2","1","10","1") = "9"
    & skf18("5","9","10","2","2","1","1") = "9"
    & skf18("5","9","10","2","2","2","1") = "9"
    & skf18("5","9","10","2","2","3","1") = "9"
    & skf18("5","9","10","2","2","4","1") = "9"
    & skf18("5","9","10","2","2","5","1") = "9"
    & skf18("5","9","10","2","2","6","1") = "9"
    & skf18("5","9","10","2","2","7","1") = "9"
    & skf18("5","9","10","2","2","8","1") = "9"
    & skf18("5","9","10","2","2","9","1") = "9"
    & skf18("5","9","10","2","2","10","1") = "9"
    & skf18("5","9","10","2","3","1","1") = "9"
    & skf18("5","9","10","2","3","2","1") = "9"
    & skf18("5","9","10","2","3","3","1") = "9"
    & skf18("5","9","10","2","3","4","1") = "9"
    & skf18("5","9","10","2","3","5","1") = "9"
    & skf18("5","9","10","2","3","6","1") = "9"
    & skf18("5","9","10","2","3","7","1") = "9"
    & skf18("5","9","10","2","3","8","1") = "9"
    & skf18("5","9","10","2","3","9","1") = "9"
    & skf18("5","9","10","2","3","10","1") = "9"
    & skf18("5","9","10","2","4","1","1") = "9"
    & skf18("5","9","10","2","4","2","1") = "9"
    & skf18("5","9","10","2","4","3","1") = "9"
    & skf18("5","9","10","2","4","4","1") = "9"
    & skf18("5","9","10","2","4","5","1") = "9"
    & skf18("5","9","10","2","4","6","1") = "9"
    & skf18("5","9","10","2","4","7","1") = "9"
    & skf18("5","9","10","2","4","8","1") = "9"
    & skf18("5","9","10","2","4","9","1") = "9"
    & skf18("5","9","10","2","4","10","1") = "9"
    & skf18("5","9","10","2","5","1","1") = "9"
    & skf18("5","9","10","2","5","2","1") = "9"
    & skf18("5","9","10","2","5","3","1") = "9"
    & skf18("5","9","10","2","5","4","1") = "9"
    & skf18("5","9","10","2","5","5","1") = "9"
    & skf18("5","9","10","2","5","6","1") = "9"
    & skf18("5","9","10","2","5","7","1") = "9"
    & skf18("5","9","10","2","5","8","1") = "9"
    & skf18("5","9","10","2","5","9","1") = "9"
    & skf18("5","9","10","2","5","10","1") = "9"
    & skf18("5","9","10","2","6","1","1") = "9"
    & skf18("5","9","10","2","6","2","1") = "9"
    & skf18("5","9","10","2","6","3","1") = "9"
    & skf18("5","9","10","2","6","4","1") = "9"
    & skf18("5","9","10","2","6","5","1") = "9"
    & skf18("5","9","10","2","6","6","1") = "9"
    & skf18("5","9","10","2","6","7","1") = "9"
    & skf18("5","9","10","2","6","8","1") = "9"
    & skf18("5","9","10","2","6","9","1") = "9"
    & skf18("5","9","10","2","6","10","1") = "9"
    & skf18("5","9","10","2","7","1","1") = "9"
    & skf18("5","9","10","2","7","2","1") = "9"
    & skf18("5","9","10","2","7","3","1") = "9"
    & skf18("5","9","10","2","7","4","1") = "9"
    & skf18("5","9","10","2","7","5","1") = "9"
    & skf18("5","9","10","2","7","6","1") = "9"
    & skf18("5","9","10","2","7","7","1") = "9"
    & skf18("5","9","10","2","7","8","1") = "9"
    & skf18("5","9","10","2","7","9","1") = "9"
    & skf18("5","9","10","2","7","10","1") = "9"
    & skf18("5","9","10","2","8","1","1") = "9"
    & skf18("5","9","10","2","8","2","1") = "9"
    & skf18("5","9","10","2","8","3","1") = "9"
    & skf18("5","9","10","2","8","4","1") = "9"
    & skf18("5","9","10","2","8","5","1") = "9"
    & skf18("5","9","10","2","8","6","1") = "9"
    & skf18("5","9","10","2","8","7","1") = "9"
    & skf18("5","9","10","2","8","8","1") = "9"
    & skf18("5","9","10","2","8","9","1") = "9"
    & skf18("5","9","10","2","8","10","1") = "9"
    & skf18("5","9","10","2","9","1","1") = "9"
    & skf18("5","9","10","2","9","2","1") = "9"
    & skf18("5","9","10","2","9","3","1") = "9"
    & skf18("5","9","10","2","9","4","1") = "9"
    & skf18("5","9","10","2","9","5","1") = "9"
    & skf18("5","9","10","2","9","6","1") = "9"
    & skf18("5","9","10","2","9","7","1") = "9"
    & skf18("5","9","10","2","9","8","1") = "9"
    & skf18("5","9","10","2","9","9","1") = "9"
    & skf18("5","9","10","2","9","10","1") = "9"
    & skf18("5","9","10","2","10","1","1") = "9"
    & skf18("5","9","10","2","10","2","1") = "9"
    & skf18("5","9","10","2","10","3","1") = "9"
    & skf18("5","9","10","2","10","4","1") = "9"
    & skf18("5","9","10","2","10","5","1") = "9"
    & skf18("5","9","10","2","10","6","1") = "9"
    & skf18("5","9","10","2","10","7","1") = "9"
    & skf18("5","9","10","2","10","8","1") = "9"
    & skf18("5","9","10","2","10","9","1") = "9"
    & skf18("5","9","10","2","10","10","1") = "9"
    & skf18("5","9","10","3","1","1","1") = "9"
    & skf18("5","9","10","3","1","2","1") = "9"
    & skf18("5","9","10","3","1","3","1") = "9"
    & skf18("5","9","10","3","1","4","1") = "9"
    & skf18("5","9","10","3","1","5","1") = "9"
    & skf18("5","9","10","3","1","6","1") = "9"
    & skf18("5","9","10","3","1","7","1") = "9"
    & skf18("5","9","10","3","1","8","1") = "9"
    & skf18("5","9","10","3","1","9","1") = "9"
    & skf18("5","9","10","3","1","10","1") = "9"
    & skf18("5","9","10","3","2","1","1") = "9"
    & skf18("5","9","10","3","2","2","1") = "9"
    & skf18("5","9","10","3","2","3","1") = "9"
    & skf18("5","9","10","3","2","4","1") = "9"
    & skf18("5","9","10","3","2","5","1") = "9"
    & skf18("5","9","10","3","2","6","1") = "9"
    & skf18("5","9","10","3","2","7","1") = "9"
    & skf18("5","9","10","3","2","8","1") = "9"
    & skf18("5","9","10","3","2","9","1") = "9"
    & skf18("5","9","10","3","2","10","1") = "9"
    & skf18("5","9","10","3","3","1","1") = "9"
    & skf18("5","9","10","3","3","2","1") = "9"
    & skf18("5","9","10","3","3","3","1") = "9"
    & skf18("5","9","10","3","3","4","1") = "9"
    & skf18("5","9","10","3","3","5","1") = "9"
    & skf18("5","9","10","3","3","6","1") = "9"
    & skf18("5","9","10","3","3","7","1") = "9"
    & skf18("5","9","10","3","3","8","1") = "9"
    & skf18("5","9","10","3","3","9","1") = "9"
    & skf18("5","9","10","3","3","10","1") = "9"
    & skf18("5","9","10","3","4","1","1") = "9"
    & skf18("5","9","10","3","4","2","1") = "9"
    & skf18("5","9","10","3","4","3","1") = "9"
    & skf18("5","9","10","3","4","4","1") = "9"
    & skf18("5","9","10","3","4","5","1") = "9"
    & skf18("5","9","10","3","4","6","1") = "9"
    & skf18("5","9","10","3","4","7","1") = "9"
    & skf18("5","9","10","3","4","8","1") = "9"
    & skf18("5","9","10","3","4","9","1") = "9"
    & skf18("5","9","10","3","4","10","1") = "9"
    & skf18("5","9","10","3","5","1","1") = "9"
    & skf18("5","9","10","3","5","2","1") = "9"
    & skf18("5","9","10","3","5","3","1") = "9"
    & skf18("5","9","10","3","5","4","1") = "9"
    & skf18("5","9","10","3","5","5","1") = "9"
    & skf18("5","9","10","3","5","6","1") = "9"
    & skf18("5","9","10","3","5","7","1") = "9"
    & skf18("5","9","10","3","5","8","1") = "9"
    & skf18("5","9","10","3","5","9","1") = "9"
    & skf18("5","9","10","3","5","10","1") = "9"
    & skf18("5","9","10","3","6","1","1") = "9"
    & skf18("5","9","10","3","6","2","1") = "9"
    & skf18("5","9","10","3","6","3","1") = "9"
    & skf18("5","9","10","3","6","4","1") = "9"
    & skf18("5","9","10","3","6","5","1") = "9"
    & skf18("5","9","10","3","6","6","1") = "9"
    & skf18("5","9","10","3","6","7","1") = "9"
    & skf18("5","9","10","3","6","8","1") = "9"
    & skf18("5","9","10","3","6","9","1") = "9"
    & skf18("5","9","10","3","6","10","1") = "9"
    & skf18("5","9","10","3","7","1","1") = "9"
    & skf18("5","9","10","3","7","2","1") = "9"
    & skf18("5","9","10","3","7","3","1") = "9"
    & skf18("5","9","10","3","7","4","1") = "9"
    & skf18("5","9","10","3","7","5","1") = "9"
    & skf18("5","9","10","3","7","6","1") = "9"
    & skf18("5","9","10","3","7","7","1") = "9"
    & skf18("5","9","10","3","7","8","1") = "9"
    & skf18("5","9","10","3","7","9","1") = "9"
    & skf18("5","9","10","3","7","10","1") = "9"
    & skf18("5","9","10","3","8","1","1") = "9"
    & skf18("5","9","10","3","8","2","1") = "9"
    & skf18("5","9","10","3","8","3","1") = "9"
    & skf18("5","9","10","3","8","4","1") = "9"
    & skf18("5","9","10","3","8","5","1") = "9"
    & skf18("5","9","10","3","8","6","1") = "9"
    & skf18("5","9","10","3","8","7","1") = "9"
    & skf18("5","9","10","3","8","8","1") = "9"
    & skf18("5","9","10","3","8","9","1") = "9"
    & skf18("5","9","10","3","8","10","1") = "9"
    & skf18("5","9","10","3","9","1","1") = "9"
    & skf18("5","9","10","3","9","2","1") = "9"
    & skf18("5","9","10","3","9","3","1") = "9"
    & skf18("5","9","10","3","9","4","1") = "9"
    & skf18("5","9","10","3","9","5","1") = "9"
    & skf18("5","9","10","3","9","6","1") = "9"
    & skf18("5","9","10","3","9","7","1") = "9"
    & skf18("5","9","10","3","9","8","1") = "9"
    & skf18("5","9","10","3","9","9","1") = "9"
    & skf18("5","9","10","3","9","10","1") = "9"
    & skf18("5","9","10","3","10","1","1") = "9"
    & skf18("5","9","10","3","10","2","1") = "9"
    & skf18("5","9","10","3","10","3","1") = "9"
    & skf18("5","9","10","3","10","4","1") = "9"
    & skf18("5","9","10","3","10","5","1") = "9"
    & skf18("5","9","10","3","10","6","1") = "9"
    & skf18("5","9","10","3","10","7","1") = "9"
    & skf18("5","9","10","3","10","8","1") = "9"
    & skf18("5","9","10","3","10","9","1") = "9"
    & skf18("5","9","10","3","10","10","1") = "9"
    & skf18("5","9","10","4","1","1","1") = "9"
    & skf18("5","9","10","4","1","2","1") = "9"
    & skf18("5","9","10","4","1","3","1") = "9"
    & skf18("5","9","10","4","1","4","1") = "9"
    & skf18("5","9","10","4","1","5","1") = "9"
    & skf18("5","9","10","4","1","6","1") = "9"
    & skf18("5","9","10","4","1","7","1") = "9"
    & skf18("5","9","10","4","1","8","1") = "9"
    & skf18("5","9","10","4","1","9","1") = "9"
    & skf18("5","9","10","4","1","10","1") = "9"
    & skf18("5","9","10","4","2","1","1") = "9"
    & skf18("5","9","10","4","2","2","1") = "9"
    & skf18("5","9","10","4","2","3","1") = "9"
    & skf18("5","9","10","4","2","4","1") = "9"
    & skf18("5","9","10","4","2","5","1") = "9"
    & skf18("5","9","10","4","2","6","1") = "9"
    & skf18("5","9","10","4","2","7","1") = "9"
    & skf18("5","9","10","4","2","8","1") = "9"
    & skf18("5","9","10","4","2","9","1") = "9"
    & skf18("5","9","10","4","2","10","1") = "9"
    & skf18("5","9","10","4","3","1","1") = "9"
    & skf18("5","9","10","4","3","2","1") = "9"
    & skf18("5","9","10","4","3","3","1") = "9"
    & skf18("5","9","10","4","3","4","1") = "9"
    & skf18("5","9","10","4","3","5","1") = "9"
    & skf18("5","9","10","4","3","6","1") = "9"
    & skf18("5","9","10","4","3","7","1") = "9"
    & skf18("5","9","10","4","3","8","1") = "9"
    & skf18("5","9","10","4","3","9","1") = "9"
    & skf18("5","9","10","4","3","10","1") = "9"
    & skf18("5","9","10","4","4","1","1") = "9"
    & skf18("5","9","10","4","4","2","1") = "9"
    & skf18("5","9","10","4","4","3","1") = "9"
    & skf18("5","9","10","4","4","4","1") = "9"
    & skf18("5","9","10","4","4","5","1") = "9"
    & skf18("5","9","10","4","4","6","1") = "9"
    & skf18("5","9","10","4","4","7","1") = "9"
    & skf18("5","9","10","4","4","8","1") = "9"
    & skf18("5","9","10","4","4","9","1") = "9"
    & skf18("5","9","10","4","4","10","1") = "9"
    & skf18("5","9","10","4","5","1","1") = "9"
    & skf18("5","9","10","4","5","2","1") = "9"
    & skf18("5","9","10","4","5","3","1") = "9"
    & skf18("5","9","10","4","5","4","1") = "9"
    & skf18("5","9","10","4","5","5","1") = "9"
    & skf18("5","9","10","4","5","6","1") = "9"
    & skf18("5","9","10","4","5","7","1") = "9"
    & skf18("5","9","10","4","5","8","1") = "9"
    & skf18("5","9","10","4","5","9","1") = "9"
    & skf18("5","9","10","4","5","10","1") = "9"
    & skf18("5","9","10","4","6","1","1") = "9"
    & skf18("5","9","10","4","6","2","1") = "9"
    & skf18("5","9","10","4","6","3","1") = "9"
    & skf18("5","9","10","4","6","4","1") = "9"
    & skf18("5","9","10","4","6","5","1") = "9"
    & skf18("5","9","10","4","6","6","1") = "9"
    & skf18("5","9","10","4","6","7","1") = "9"
    & skf18("5","9","10","4","6","8","1") = "9"
    & skf18("5","9","10","4","6","9","1") = "9"
    & skf18("5","9","10","4","6","10","1") = "9"
    & skf18("5","9","10","4","7","1","1") = "9"
    & skf18("5","9","10","4","7","2","1") = "9"
    & skf18("5","9","10","4","7","3","1") = "9"
    & skf18("5","9","10","4","7","4","1") = "9"
    & skf18("5","9","10","4","7","5","1") = "9"
    & skf18("5","9","10","4","7","6","1") = "9"
    & skf18("5","9","10","4","7","7","1") = "9"
    & skf18("5","9","10","4","7","8","1") = "9"
    & skf18("5","9","10","4","7","9","1") = "9"
    & skf18("5","9","10","4","7","10","1") = "9"
    & skf18("5","9","10","4","8","1","1") = "9"
    & skf18("5","9","10","4","8","2","1") = "9"
    & skf18("5","9","10","4","8","3","1") = "9"
    & skf18("5","9","10","4","8","4","1") = "9"
    & skf18("5","9","10","4","8","5","1") = "9"
    & skf18("5","9","10","4","8","6","1") = "9"
    & skf18("5","9","10","4","8","7","1") = "9"
    & skf18("5","9","10","4","8","8","1") = "9"
    & skf18("5","9","10","4","8","9","1") = "9"
    & skf18("5","9","10","4","8","10","1") = "9"
    & skf18("5","9","10","4","9","1","1") = "9"
    & skf18("5","9","10","4","9","2","1") = "9"
    & skf18("5","9","10","4","9","3","1") = "9"
    & skf18("5","9","10","4","9","4","1") = "9"
    & skf18("5","9","10","4","9","5","1") = "9"
    & skf18("5","9","10","4","9","6","1") = "9"
    & skf18("5","9","10","4","9","7","1") = "9"
    & skf18("5","9","10","4","9","8","1") = "9"
    & skf18("5","9","10","4","9","9","1") = "9"
    & skf18("5","9","10","4","9","10","1") = "9"
    & skf18("5","9","10","4","10","1","1") = "9"
    & skf18("5","9","10","4","10","2","1") = "9"
    & skf18("5","9","10","4","10","3","1") = "9"
    & skf18("5","9","10","4","10","4","1") = "9"
    & skf18("5","9","10","4","10","5","1") = "9"
    & skf18("5","9","10","4","10","6","1") = "9"
    & skf18("5","9","10","4","10","7","1") = "9"
    & skf18("5","9","10","4","10","8","1") = "9"
    & skf18("5","9","10","4","10","9","1") = "9"
    & skf18("5","9","10","4","10","10","1") = "9"
    & skf18("5","9","10","5","1","1","1") = "9"
    & skf18("5","9","10","5","1","2","1") = "9"
    & skf18("5","9","10","5","1","3","1") = "9"
    & skf18("5","9","10","5","1","4","1") = "9"
    & skf18("5","9","10","5","1","5","1") = "9"
    & skf18("5","9","10","5","1","6","1") = "9"
    & skf18("5","9","10","5","1","7","1") = "9"
    & skf18("5","9","10","5","1","8","1") = "9"
    & skf18("5","9","10","5","1","9","1") = "9"
    & skf18("5","9","10","5","1","10","1") = "9"
    & skf18("5","9","10","5","2","1","1") = "9"
    & skf18("5","9","10","5","2","2","1") = "9"
    & skf18("5","9","10","5","2","3","1") = "9"
    & skf18("5","9","10","5","2","4","1") = "9"
    & skf18("5","9","10","5","2","5","1") = "9"
    & skf18("5","9","10","5","2","6","1") = "9"
    & skf18("5","9","10","5","2","7","1") = "9"
    & skf18("5","9","10","5","2","8","1") = "9"
    & skf18("5","9","10","5","2","9","1") = "9"
    & skf18("5","9","10","5","2","10","1") = "9"
    & skf18("5","9","10","5","3","1","1") = "9"
    & skf18("5","9","10","5","3","2","1") = "9"
    & skf18("5","9","10","5","3","3","1") = "9"
    & skf18("5","9","10","5","3","4","1") = "9"
    & skf18("5","9","10","5","3","5","1") = "9"
    & skf18("5","9","10","5","3","6","1") = "9"
    & skf18("5","9","10","5","3","7","1") = "9"
    & skf18("5","9","10","5","3","8","1") = "9"
    & skf18("5","9","10","5","3","9","1") = "9"
    & skf18("5","9","10","5","3","10","1") = "9"
    & skf18("5","9","10","5","4","1","1") = "9"
    & skf18("5","9","10","5","4","2","1") = "9"
    & skf18("5","9","10","5","4","3","1") = "9"
    & skf18("5","9","10","5","4","4","1") = "9"
    & skf18("5","9","10","5","4","5","1") = "9"
    & skf18("5","9","10","5","4","6","1") = "9"
    & skf18("5","9","10","5","4","7","1") = "9"
    & skf18("5","9","10","5","4","8","1") = "9"
    & skf18("5","9","10","5","4","9","1") = "9"
    & skf18("5","9","10","5","4","10","1") = "9"
    & skf18("5","9","10","5","5","1","1") = "9"
    & skf18("5","9","10","5","5","2","1") = "9"
    & skf18("5","9","10","5","5","3","1") = "9"
    & skf18("5","9","10","5","5","4","1") = "9"
    & skf18("5","9","10","5","5","5","1") = "9"
    & skf18("5","9","10","5","5","6","1") = "9"
    & skf18("5","9","10","5","5","7","1") = "9"
    & skf18("5","9","10","5","5","8","1") = "9"
    & skf18("5","9","10","5","5","9","1") = "9"
    & skf18("5","9","10","5","5","10","1") = "9"
    & skf18("5","9","10","5","6","1","1") = "9"
    & skf18("5","9","10","5","6","2","1") = "9"
    & skf18("5","9","10","5","6","3","1") = "9"
    & skf18("5","9","10","5","6","4","1") = "9"
    & skf18("5","9","10","5","6","5","1") = "9"
    & skf18("5","9","10","5","6","6","1") = "9"
    & skf18("5","9","10","5","6","7","1") = "9"
    & skf18("5","9","10","5","6","8","1") = "9"
    & skf18("5","9","10","5","6","9","1") = "9"
    & skf18("5","9","10","5","6","10","1") = "9"
    & skf18("5","9","10","5","7","1","1") = "9"
    & skf18("5","9","10","5","7","2","1") = "9"
    & skf18("5","9","10","5","7","3","1") = "9"
    & skf18("5","9","10","5","7","4","1") = "9"
    & skf18("5","9","10","5","7","5","1") = "9"
    & skf18("5","9","10","5","7","6","1") = "9"
    & skf18("5","9","10","5","7","7","1") = "9"
    & skf18("5","9","10","5","7","8","1") = "9"
    & skf18("5","9","10","5","7","9","1") = "9"
    & skf18("5","9","10","5","7","10","1") = "9"
    & skf18("5","9","10","5","8","1","1") = "9"
    & skf18("5","9","10","5","8","2","1") = "9"
    & skf18("5","9","10","5","8","3","1") = "9"
    & skf18("5","9","10","5","8","4","1") = "9"
    & skf18("5","9","10","5","8","5","1") = "9"
    & skf18("5","9","10","5","8","6","1") = "9"
    & skf18("5","9","10","5","8","7","1") = "9"
    & skf18("5","9","10","5","8","8","1") = "9"
    & skf18("5","9","10","5","8","9","1") = "9"
    & skf18("5","9","10","5","8","10","1") = "9"
    & skf18("5","9","10","5","9","1","1") = "9"
    & skf18("5","9","10","5","9","2","1") = "9"
    & skf18("5","9","10","5","9","3","1") = "9"
    & skf18("5","9","10","5","9","4","1") = "9"
    & skf18("5","9","10","5","9","5","1") = "9"
    & skf18("5","9","10","5","9","6","1") = "9"
    & skf18("5","9","10","5","9","7","1") = "9"
    & skf18("5","9","10","5","9","8","1") = "9"
    & skf18("5","9","10","5","9","9","1") = "9"
    & skf18("5","9","10","5","9","10","1") = "9"
    & skf18("5","9","10","5","10","1","1") = "9"
    & skf18("5","9","10","5","10","2","1") = "9"
    & skf18("5","9","10","5","10","3","1") = "9"
    & skf18("5","9","10","5","10","4","1") = "9"
    & skf18("5","9","10","5","10","5","1") = "9"
    & skf18("5","9","10","5","10","6","1") = "9"
    & skf18("5","9","10","5","10","7","1") = "9"
    & skf18("5","9","10","5","10","8","1") = "9"
    & skf18("5","9","10","5","10","9","1") = "9"
    & skf18("5","9","10","5","10","10","1") = "9"
    & skf18("5","9","10","6","1","1","1") = "9"
    & skf18("5","9","10","6","1","2","1") = "9"
    & skf18("5","9","10","6","1","3","1") = "9"
    & skf18("5","9","10","6","1","4","1") = "9"
    & skf18("5","9","10","6","1","5","1") = "9"
    & skf18("5","9","10","6","1","6","1") = "9"
    & skf18("5","9","10","6","1","7","1") = "9"
    & skf18("5","9","10","6","1","8","1") = "9"
    & skf18("5","9","10","6","1","9","1") = "9"
    & skf18("5","9","10","6","1","10","1") = "9"
    & skf18("5","9","10","6","2","1","1") = "9"
    & skf18("5","9","10","6","2","2","1") = "9"
    & skf18("5","9","10","6","2","3","1") = "9"
    & skf18("5","9","10","6","2","4","1") = "9"
    & skf18("5","9","10","6","2","5","1") = "9"
    & skf18("5","9","10","6","2","6","1") = "9"
    & skf18("5","9","10","6","2","7","1") = "9"
    & skf18("5","9","10","6","2","8","1") = "9"
    & skf18("5","9","10","6","2","9","1") = "9"
    & skf18("5","9","10","6","2","10","1") = "9"
    & skf18("5","9","10","6","3","1","1") = "9"
    & skf18("5","9","10","6","3","2","1") = "9"
    & skf18("5","9","10","6","3","3","1") = "9"
    & skf18("5","9","10","6","3","4","1") = "9"
    & skf18("5","9","10","6","3","5","1") = "9"
    & skf18("5","9","10","6","3","6","1") = "9"
    & skf18("5","9","10","6","3","7","1") = "9"
    & skf18("5","9","10","6","3","8","1") = "9"
    & skf18("5","9","10","6","3","9","1") = "9"
    & skf18("5","9","10","6","3","10","1") = "9"
    & skf18("5","9","10","6","4","1","1") = "9"
    & skf18("5","9","10","6","4","2","1") = "9"
    & skf18("5","9","10","6","4","3","1") = "9"
    & skf18("5","9","10","6","4","4","1") = "9"
    & skf18("5","9","10","6","4","5","1") = "9"
    & skf18("5","9","10","6","4","6","1") = "9"
    & skf18("5","9","10","6","4","7","1") = "9"
    & skf18("5","9","10","6","4","8","1") = "9"
    & skf18("5","9","10","6","4","9","1") = "9"
    & skf18("5","9","10","6","4","10","1") = "9"
    & skf18("5","9","10","6","5","1","1") = "9"
    & skf18("5","9","10","6","5","2","1") = "9"
    & skf18("5","9","10","6","5","3","1") = "9"
    & skf18("5","9","10","6","5","4","1") = "9"
    & skf18("5","9","10","6","5","5","1") = "9"
    & skf18("5","9","10","6","5","6","1") = "9"
    & skf18("5","9","10","6","5","7","1") = "9"
    & skf18("5","9","10","6","5","8","1") = "9"
    & skf18("5","9","10","6","5","9","1") = "9"
    & skf18("5","9","10","6","5","10","1") = "9"
    & skf18("5","9","10","6","6","1","1") = "9"
    & skf18("5","9","10","6","6","2","1") = "9"
    & skf18("5","9","10","6","6","3","1") = "9"
    & skf18("5","9","10","6","6","4","1") = "9"
    & skf18("5","9","10","6","6","5","1") = "9"
    & skf18("5","9","10","6","6","6","1") = "9"
    & skf18("5","9","10","6","6","7","1") = "9"
    & skf18("5","9","10","6","6","8","1") = "9"
    & skf18("5","9","10","6","6","9","1") = "9"
    & skf18("5","9","10","6","6","10","1") = "9"
    & skf18("5","9","10","6","7","1","1") = "9"
    & skf18("5","9","10","6","7","2","1") = "9"
    & skf18("5","9","10","6","7","3","1") = "9"
    & skf18("5","9","10","6","7","4","1") = "9"
    & skf18("5","9","10","6","7","5","1") = "9"
    & skf18("5","9","10","6","7","6","1") = "9"
    & skf18("5","9","10","6","7","7","1") = "9"
    & skf18("5","9","10","6","7","8","1") = "9"
    & skf18("5","9","10","6","7","9","1") = "9"
    & skf18("5","9","10","6","7","10","1") = "9"
    & skf18("5","9","10","6","8","1","1") = "9"
    & skf18("5","9","10","6","8","2","1") = "9"
    & skf18("5","9","10","6","8","3","1") = "9"
    & skf18("5","9","10","6","8","4","1") = "9"
    & skf18("5","9","10","6","8","5","1") = "9"
    & skf18("5","9","10","6","8","6","1") = "9"
    & skf18("5","9","10","6","8","7","1") = "9"
    & skf18("5","9","10","6","8","8","1") = "9"
    & skf18("5","9","10","6","8","9","1") = "9"
    & skf18("5","9","10","6","8","10","1") = "9"
    & skf18("5","9","10","6","9","1","1") = "9"
    & skf18("5","9","10","6","9","2","1") = "9"
    & skf18("5","9","10","6","9","3","1") = "9"
    & skf18("5","9","10","6","9","4","1") = "9"
    & skf18("5","9","10","6","9","5","1") = "9"
    & skf18("5","9","10","6","9","6","1") = "9"
    & skf18("5","9","10","6","9","7","1") = "9"
    & skf18("5","9","10","6","9","8","1") = "9"
    & skf18("5","9","10","6","9","9","1") = "9"
    & skf18("5","9","10","6","9","10","1") = "9"
    & skf18("5","9","10","6","10","1","1") = "9"
    & skf18("5","9","10","6","10","2","1") = "9"
    & skf18("5","9","10","6","10","3","1") = "9"
    & skf18("5","9","10","6","10","4","1") = "9"
    & skf18("5","9","10","6","10","5","1") = "9"
    & skf18("5","9","10","6","10","6","1") = "9"
    & skf18("5","9","10","6","10","7","1") = "9"
    & skf18("5","9","10","6","10","8","1") = "9"
    & skf18("5","9","10","6","10","9","1") = "9"
    & skf18("5","9","10","6","10","10","1") = "9"
    & skf18("5","9","10","7","1","1","1") = "9"
    & skf18("5","9","10","7","1","2","1") = "9"
    & skf18("5","9","10","7","1","3","1") = "9"
    & skf18("5","9","10","7","1","4","1") = "9"
    & skf18("5","9","10","7","1","5","1") = "9"
    & skf18("5","9","10","7","1","6","1") = "9"
    & skf18("5","9","10","7","1","7","1") = "9"
    & skf18("5","9","10","7","1","8","1") = "9"
    & skf18("5","9","10","7","1","9","1") = "9"
    & skf18("5","9","10","7","1","10","1") = "9"
    & skf18("5","9","10","7","2","1","1") = "9"
    & skf18("5","9","10","7","2","2","1") = "9"
    & skf18("5","9","10","7","2","3","1") = "9"
    & skf18("5","9","10","7","2","4","1") = "9"
    & skf18("5","9","10","7","2","5","1") = "9"
    & skf18("5","9","10","7","2","6","1") = "9"
    & skf18("5","9","10","7","2","7","1") = "9"
    & skf18("5","9","10","7","2","8","1") = "9"
    & skf18("5","9","10","7","2","9","1") = "9"
    & skf18("5","9","10","7","2","10","1") = "9"
    & skf18("5","9","10","7","3","1","1") = "9"
    & skf18("5","9","10","7","3","2","1") = "9"
    & skf18("5","9","10","7","3","3","1") = "9"
    & skf18("5","9","10","7","3","4","1") = "9"
    & skf18("5","9","10","7","3","5","1") = "9"
    & skf18("5","9","10","7","3","6","1") = "9"
    & skf18("5","9","10","7","3","7","1") = "9"
    & skf18("5","9","10","7","3","8","1") = "9"
    & skf18("5","9","10","7","3","9","1") = "9"
    & skf18("5","9","10","7","3","10","1") = "9"
    & skf18("5","9","10","7","4","1","1") = "9"
    & skf18("5","9","10","7","4","2","1") = "9"
    & skf18("5","9","10","7","4","3","1") = "9"
    & skf18("5","9","10","7","4","4","1") = "9"
    & skf18("5","9","10","7","4","5","1") = "9"
    & skf18("5","9","10","7","4","6","1") = "9"
    & skf18("5","9","10","7","4","7","1") = "9"
    & skf18("5","9","10","7","4","8","1") = "9"
    & skf18("5","9","10","7","4","9","1") = "9"
    & skf18("5","9","10","7","4","10","1") = "9"
    & skf18("5","9","10","7","5","1","1") = "9"
    & skf18("5","9","10","7","5","2","1") = "9"
    & skf18("5","9","10","7","5","3","1") = "9"
    & skf18("5","9","10","7","5","4","1") = "9"
    & skf18("5","9","10","7","5","5","1") = "9"
    & skf18("5","9","10","7","5","6","1") = "9"
    & skf18("5","9","10","7","5","7","1") = "9"
    & skf18("5","9","10","7","5","8","1") = "9"
    & skf18("5","9","10","7","5","9","1") = "9"
    & skf18("5","9","10","7","5","10","1") = "9"
    & skf18("5","9","10","7","6","1","1") = "9"
    & skf18("5","9","10","7","6","2","1") = "9"
    & skf18("5","9","10","7","6","3","1") = "9"
    & skf18("5","9","10","7","6","4","1") = "9"
    & skf18("5","9","10","7","6","5","1") = "9"
    & skf18("5","9","10","7","6","6","1") = "9"
    & skf18("5","9","10","7","6","7","1") = "9"
    & skf18("5","9","10","7","6","8","1") = "9"
    & skf18("5","9","10","7","6","9","1") = "9"
    & skf18("5","9","10","7","6","10","1") = "9"
    & skf18("5","9","10","7","7","1","1") = "9"
    & skf18("5","9","10","7","7","2","1") = "9"
    & skf18("5","9","10","7","7","3","1") = "9"
    & skf18("5","9","10","7","7","4","1") = "9"
    & skf18("5","9","10","7","7","5","1") = "9"
    & skf18("5","9","10","7","7","6","1") = "9"
    & skf18("5","9","10","7","7","7","1") = "9"
    & skf18("5","9","10","7","7","8","1") = "9"
    & skf18("5","9","10","7","7","9","1") = "9"
    & skf18("5","9","10","7","7","10","1") = "9"
    & skf18("5","9","10","7","8","1","1") = "9"
    & skf18("5","9","10","7","8","2","1") = "9"
    & skf18("5","9","10","7","8","3","1") = "9"
    & skf18("5","9","10","7","8","4","1") = "9"
    & skf18("5","9","10","7","8","5","1") = "9"
    & skf18("5","9","10","7","8","6","1") = "9"
    & skf18("5","9","10","7","8","7","1") = "9"
    & skf18("5","9","10","7","8","8","1") = "9"
    & skf18("5","9","10","7","8","9","1") = "9"
    & skf18("5","9","10","7","8","10","1") = "9"
    & skf18("5","9","10","7","9","1","1") = "9"
    & skf18("5","9","10","7","9","2","1") = "9"
    & skf18("5","9","10","7","9","3","1") = "9"
    & skf18("5","9","10","7","9","4","1") = "9"
    & skf18("5","9","10","7","9","5","1") = "9"
    & skf18("5","9","10","7","9","6","1") = "9"
    & skf18("5","9","10","7","9","7","1") = "9"
    & skf18("5","9","10","7","9","8","1") = "9"
    & skf18("5","9","10","7","9","9","1") = "9"
    & skf18("5","9","10","7","9","10","1") = "9"
    & skf18("5","9","10","7","10","1","1") = "9"
    & skf18("5","9","10","7","10","2","1") = "9"
    & skf18("5","9","10","7","10","3","1") = "9"
    & skf18("5","9","10","7","10","4","1") = "9"
    & skf18("5","9","10","7","10","5","1") = "9"
    & skf18("5","9","10","7","10","6","1") = "9"
    & skf18("5","9","10","7","10","7","1") = "9"
    & skf18("5","9","10","7","10","8","1") = "9"
    & skf18("5","9","10","7","10","9","1") = "9"
    & skf18("5","9","10","7","10","10","1") = "9"
    & skf18("5","9","10","8","1","1","1") = "9"
    & skf18("5","9","10","8","1","2","1") = "9"
    & skf18("5","9","10","8","1","3","1") = "9"
    & skf18("5","9","10","8","1","4","1") = "9"
    & skf18("5","9","10","8","1","5","1") = "9"
    & skf18("5","9","10","8","1","6","1") = "9"
    & skf18("5","9","10","8","1","7","1") = "9"
    & skf18("5","9","10","8","1","8","1") = "9"
    & skf18("5","9","10","8","1","9","1") = "9"
    & skf18("5","9","10","8","1","10","1") = "9"
    & skf18("5","9","10","8","2","1","1") = "9"
    & skf18("5","9","10","8","2","2","1") = "9"
    & skf18("5","9","10","8","2","3","1") = "9"
    & skf18("5","9","10","8","2","4","1") = "9"
    & skf18("5","9","10","8","2","5","1") = "9"
    & skf18("5","9","10","8","2","6","1") = "9"
    & skf18("5","9","10","8","2","7","1") = "9"
    & skf18("5","9","10","8","2","8","1") = "9"
    & skf18("5","9","10","8","2","9","1") = "9"
    & skf18("5","9","10","8","2","10","1") = "9"
    & skf18("5","9","10","8","3","1","1") = "9"
    & skf18("5","9","10","8","3","2","1") = "9"
    & skf18("5","9","10","8","3","3","1") = "9"
    & skf18("5","9","10","8","3","4","1") = "9"
    & skf18("5","9","10","8","3","5","1") = "9"
    & skf18("5","9","10","8","3","6","1") = "9"
    & skf18("5","9","10","8","3","7","1") = "9"
    & skf18("5","9","10","8","3","8","1") = "9"
    & skf18("5","9","10","8","3","9","1") = "9"
    & skf18("5","9","10","8","3","10","1") = "9"
    & skf18("5","9","10","8","4","1","1") = "9"
    & skf18("5","9","10","8","4","2","1") = "9"
    & skf18("5","9","10","8","4","3","1") = "9"
    & skf18("5","9","10","8","4","4","1") = "9"
    & skf18("5","9","10","8","4","5","1") = "9"
    & skf18("5","9","10","8","4","6","1") = "9"
    & skf18("5","9","10","8","4","7","1") = "9"
    & skf18("5","9","10","8","4","8","1") = "9"
    & skf18("5","9","10","8","4","9","1") = "9"
    & skf18("5","9","10","8","4","10","1") = "9"
    & skf18("5","9","10","8","5","1","1") = "9"
    & skf18("5","9","10","8","5","2","1") = "9"
    & skf18("5","9","10","8","5","3","1") = "9"
    & skf18("5","9","10","8","5","4","1") = "9"
    & skf18("5","9","10","8","5","5","1") = "9"
    & skf18("5","9","10","8","5","6","1") = "9"
    & skf18("5","9","10","8","5","7","1") = "9"
    & skf18("5","9","10","8","5","8","1") = "9"
    & skf18("5","9","10","8","5","9","1") = "9"
    & skf18("5","9","10","8","5","10","1") = "9"
    & skf18("5","9","10","8","6","1","1") = "9"
    & skf18("5","9","10","8","6","2","1") = "9"
    & skf18("5","9","10","8","6","3","1") = "9"
    & skf18("5","9","10","8","6","4","1") = "9"
    & skf18("5","9","10","8","6","5","1") = "9"
    & skf18("5","9","10","8","6","6","1") = "9"
    & skf18("5","9","10","8","6","7","1") = "9"
    & skf18("5","9","10","8","6","8","1") = "9"
    & skf18("5","9","10","8","6","9","1") = "9"
    & skf18("5","9","10","8","6","10","1") = "9"
    & skf18("5","9","10","8","7","1","1") = "9"
    & skf18("5","9","10","8","7","2","1") = "9"
    & skf18("5","9","10","8","7","3","1") = "9"
    & skf18("5","9","10","8","7","4","1") = "9"
    & skf18("5","9","10","8","7","5","1") = "9"
    & skf18("5","9","10","8","7","6","1") = "9"
    & skf18("5","9","10","8","7","7","1") = "9"
    & skf18("5","9","10","8","7","8","1") = "9"
    & skf18("5","9","10","8","7","9","1") = "9"
    & skf18("5","9","10","8","7","10","1") = "9"
    & skf18("5","9","10","8","8","1","1") = "9"
    & skf18("5","9","10","8","8","2","1") = "9"
    & skf18("5","9","10","8","8","3","1") = "9"
    & skf18("5","9","10","8","8","4","1") = "9"
    & skf18("5","9","10","8","8","5","1") = "9"
    & skf18("5","9","10","8","8","6","1") = "9"
    & skf18("5","9","10","8","8","7","1") = "9"
    & skf18("5","9","10","8","8","8","1") = "9"
    & skf18("5","9","10","8","8","9","1") = "9"
    & skf18("5","9","10","8","8","10","1") = "9"
    & skf18("5","9","10","8","9","1","1") = "9"
    & skf18("5","9","10","8","9","2","1") = "9"
    & skf18("5","9","10","8","9","3","1") = "9"
    & skf18("5","9","10","8","9","4","1") = "9"
    & skf18("5","9","10","8","9","5","1") = "9"
    & skf18("5","9","10","8","9","6","1") = "9"
    & skf18("5","9","10","8","9","7","1") = "9"
    & skf18("5","9","10","8","9","8","1") = "9"
    & skf18("5","9","10","8","9","9","1") = "9"
    & skf18("5","9","10","8","9","10","1") = "9"
    & skf18("5","9","10","8","10","1","1") = "9"
    & skf18("5","9","10","8","10","2","1") = "9"
    & skf18("5","9","10","8","10","3","1") = "9"
    & skf18("5","9","10","8","10","4","1") = "9"
    & skf18("5","9","10","8","10","5","1") = "9"
    & skf18("5","9","10","8","10","6","1") = "9"
    & skf18("5","9","10","8","10","7","1") = "9"
    & skf18("5","9","10","8","10","8","1") = "9"
    & skf18("5","9","10","8","10","9","1") = "9"
    & skf18("5","9","10","8","10","10","1") = "9"
    & skf18("5","9","10","9","1","1","1") = "9"
    & skf18("5","9","10","9","1","2","1") = "9"
    & skf18("5","9","10","9","1","3","1") = "9"
    & skf18("5","9","10","9","1","4","1") = "9"
    & skf18("5","9","10","9","1","5","1") = "9"
    & skf18("5","9","10","9","1","6","1") = "9"
    & skf18("5","9","10","9","1","7","1") = "9"
    & skf18("5","9","10","9","1","8","1") = "9"
    & skf18("5","9","10","9","1","9","1") = "9"
    & skf18("5","9","10","9","1","10","1") = "9"
    & skf18("5","9","10","9","2","1","1") = "9"
    & skf18("5","9","10","9","2","2","1") = "9"
    & skf18("5","9","10","9","2","3","1") = "9"
    & skf18("5","9","10","9","2","4","1") = "9"
    & skf18("5","9","10","9","2","5","1") = "9"
    & skf18("5","9","10","9","2","6","1") = "9"
    & skf18("5","9","10","9","2","7","1") = "9"
    & skf18("5","9","10","9","2","8","1") = "9"
    & skf18("5","9","10","9","2","9","1") = "9"
    & skf18("5","9","10","9","2","10","1") = "9"
    & skf18("5","9","10","9","3","1","1") = "9"
    & skf18("5","9","10","9","3","2","1") = "9"
    & skf18("5","9","10","9","3","3","1") = "9"
    & skf18("5","9","10","9","3","4","1") = "9"
    & skf18("5","9","10","9","3","5","1") = "9"
    & skf18("5","9","10","9","3","6","1") = "9"
    & skf18("5","9","10","9","3","7","1") = "9"
    & skf18("5","9","10","9","3","8","1") = "9"
    & skf18("5","9","10","9","3","9","1") = "9"
    & skf18("5","9","10","9","3","10","1") = "9"
    & skf18("5","9","10","9","4","1","1") = "9"
    & skf18("5","9","10","9","4","2","1") = "9"
    & skf18("5","9","10","9","4","3","1") = "9"
    & skf18("5","9","10","9","4","4","1") = "9"
    & skf18("5","9","10","9","4","5","1") = "9"
    & skf18("5","9","10","9","4","6","1") = "9"
    & skf18("5","9","10","9","4","7","1") = "9"
    & skf18("5","9","10","9","4","8","1") = "9"
    & skf18("5","9","10","9","4","9","1") = "9"
    & skf18("5","9","10","9","4","10","1") = "9"
    & skf18("5","9","10","9","5","1","1") = "9"
    & skf18("5","9","10","9","5","2","1") = "9"
    & skf18("5","9","10","9","5","3","1") = "9"
    & skf18("5","9","10","9","5","4","1") = "9"
    & skf18("5","9","10","9","5","5","1") = "9"
    & skf18("5","9","10","9","5","6","1") = "9"
    & skf18("5","9","10","9","5","7","1") = "9"
    & skf18("5","9","10","9","5","8","1") = "9"
    & skf18("5","9","10","9","5","9","1") = "9"
    & skf18("5","9","10","9","5","10","1") = "9"
    & skf18("5","9","10","9","6","1","1") = "9"
    & skf18("5","9","10","9","6","2","1") = "9"
    & skf18("5","9","10","9","6","3","1") = "9"
    & skf18("5","9","10","9","6","4","1") = "9"
    & skf18("5","9","10","9","6","5","1") = "9"
    & skf18("5","9","10","9","6","6","1") = "9"
    & skf18("5","9","10","9","6","7","1") = "9"
    & skf18("5","9","10","9","6","8","1") = "9"
    & skf18("5","9","10","9","6","9","1") = "9"
    & skf18("5","9","10","9","6","10","1") = "9"
    & skf18("5","9","10","9","7","1","1") = "9"
    & skf18("5","9","10","9","7","2","1") = "9"
    & skf18("5","9","10","9","7","3","1") = "9"
    & skf18("5","9","10","9","7","4","1") = "9"
    & skf18("5","9","10","9","7","5","1") = "9"
    & skf18("5","9","10","9","7","6","1") = "9"
    & skf18("5","9","10","9","7","7","1") = "9"
    & skf18("5","9","10","9","7","8","1") = "9"
    & skf18("5","9","10","9","7","9","1") = "9"
    & skf18("5","9","10","9","7","10","1") = "9"
    & skf18("5","9","10","9","8","1","1") = "9"
    & skf18("5","9","10","9","8","2","1") = "9"
    & skf18("5","9","10","9","8","3","1") = "9"
    & skf18("5","9","10","9","8","4","1") = "9"
    & skf18("5","9","10","9","8","5","1") = "9"
    & skf18("5","9","10","9","8","6","1") = "9"
    & skf18("5","9","10","9","8","7","1") = "9"
    & skf18("5","9","10","9","8","8","1") = "9"
    & skf18("5","9","10","9","8","9","1") = "9"
    & skf18("5","9","10","9","8","10","1") = "9"
    & skf18("5","9","10","9","9","1","1") = "9"
    & skf18("5","9","10","9","9","2","1") = "9"
    & skf18("5","9","10","9","9","3","1") = "9"
    & skf18("5","9","10","9","9","4","1") = "9"
    & skf18("5","9","10","9","9","5","1") = "9"
    & skf18("5","9","10","9","9","6","1") = "9"
    & skf18("5","9","10","9","9","7","1") = "9"
    & skf18("5","9","10","9","9","8","1") = "9"
    & skf18("5","9","10","9","9","9","1") = "9"
    & skf18("5","9","10","9","9","10","1") = "9"
    & skf18("5","9","10","9","10","1","1") = "9"
    & skf18("5","9","10","9","10","2","1") = "9"
    & skf18("5","9","10","9","10","3","1") = "9"
    & skf18("5","9","10","9","10","4","1") = "9"
    & skf18("5","9","10","9","10","5","1") = "9"
    & skf18("5","9","10","9","10","6","1") = "9"
    & skf18("5","9","10","9","10","7","1") = "9"
    & skf18("5","9","10","9","10","8","1") = "9"
    & skf18("5","9","10","9","10","9","1") = "9"
    & skf18("5","9","10","9","10","10","1") = "9"
    & skf18("5","9","10","10","1","1","1") = "9"
    & skf18("5","9","10","10","1","2","1") = "9"
    & skf18("5","9","10","10","1","3","1") = "9"
    & skf18("5","9","10","10","1","4","1") = "9"
    & skf18("5","9","10","10","1","5","1") = "9"
    & skf18("5","9","10","10","1","6","1") = "9"
    & skf18("5","9","10","10","1","7","1") = "9"
    & skf18("5","9","10","10","1","8","1") = "9"
    & skf18("5","9","10","10","1","9","1") = "9"
    & skf18("5","9","10","10","1","10","1") = "9"
    & skf18("5","9","10","10","2","1","1") = "9"
    & skf18("5","9","10","10","2","2","1") = "9"
    & skf18("5","9","10","10","2","3","1") = "9"
    & skf18("5","9","10","10","2","4","1") = "9"
    & skf18("5","9","10","10","2","5","1") = "9"
    & skf18("5","9","10","10","2","6","1") = "9"
    & skf18("5","9","10","10","2","7","1") = "9"
    & skf18("5","9","10","10","2","8","1") = "9"
    & skf18("5","9","10","10","2","9","1") = "9"
    & skf18("5","9","10","10","2","10","1") = "9"
    & skf18("5","9","10","10","3","1","1") = "9"
    & skf18("5","9","10","10","3","2","1") = "9"
    & skf18("5","9","10","10","3","3","1") = "9"
    & skf18("5","9","10","10","3","4","1") = "9"
    & skf18("5","9","10","10","3","5","1") = "9"
    & skf18("5","9","10","10","3","6","1") = "9"
    & skf18("5","9","10","10","3","7","1") = "9"
    & skf18("5","9","10","10","3","8","1") = "9"
    & skf18("5","9","10","10","3","9","1") = "9"
    & skf18("5","9","10","10","3","10","1") = "9"
    & skf18("5","9","10","10","4","1","1") = "9"
    & skf18("5","9","10","10","4","2","1") = "9"
    & skf18("5","9","10","10","4","3","1") = "9"
    & skf18("5","9","10","10","4","4","1") = "9"
    & skf18("5","9","10","10","4","5","1") = "9"
    & skf18("5","9","10","10","4","6","1") = "9"
    & skf18("5","9","10","10","4","7","1") = "9"
    & skf18("5","9","10","10","4","8","1") = "9"
    & skf18("5","9","10","10","4","9","1") = "9"
    & skf18("5","9","10","10","4","10","1") = "9"
    & skf18("5","9","10","10","5","1","1") = "9"
    & skf18("5","9","10","10","5","2","1") = "9"
    & skf18("5","9","10","10","5","3","1") = "9"
    & skf18("5","9","10","10","5","4","1") = "9"
    & skf18("5","9","10","10","5","5","1") = "9"
    & skf18("5","9","10","10","5","6","1") = "9"
    & skf18("5","9","10","10","5","7","1") = "9"
    & skf18("5","9","10","10","5","8","1") = "9"
    & skf18("5","9","10","10","5","9","1") = "9"
    & skf18("5","9","10","10","5","10","1") = "9"
    & skf18("5","9","10","10","6","1","1") = "9"
    & skf18("5","9","10","10","6","2","1") = "9"
    & skf18("5","9","10","10","6","3","1") = "9"
    & skf18("5","9","10","10","6","4","1") = "9"
    & skf18("5","9","10","10","6","5","1") = "9"
    & skf18("5","9","10","10","6","6","1") = "9"
    & skf18("5","9","10","10","6","7","1") = "9"
    & skf18("5","9","10","10","6","8","1") = "9"
    & skf18("5","9","10","10","6","9","1") = "9"
    & skf18("5","9","10","10","6","10","1") = "9"
    & skf18("5","9","10","10","7","1","1") = "9"
    & skf18("5","9","10","10","7","2","1") = "9"
    & skf18("5","9","10","10","7","3","1") = "9"
    & skf18("5","9","10","10","7","4","1") = "9"
    & skf18("5","9","10","10","7","5","1") = "9"
    & skf18("5","9","10","10","7","6","1") = "9"
    & skf18("5","9","10","10","7","7","1") = "9"
    & skf18("5","9","10","10","7","8","1") = "9"
    & skf18("5","9","10","10","7","9","1") = "9"
    & skf18("5","9","10","10","7","10","1") = "9"
    & skf18("5","9","10","10","8","1","1") = "9"
    & skf18("5","9","10","10","8","2","1") = "9"
    & skf18("5","9","10","10","8","3","1") = "9"
    & skf18("5","9","10","10","8","4","1") = "9"
    & skf18("5","9","10","10","8","5","1") = "9"
    & skf18("5","9","10","10","8","6","1") = "9"
    & skf18("5","9","10","10","8","7","1") = "9"
    & skf18("5","9","10","10","8","8","1") = "9"
    & skf18("5","9","10","10","8","9","1") = "9"
    & skf18("5","9","10","10","8","10","1") = "9"
    & skf18("5","9","10","10","9","1","1") = "9"
    & skf18("5","9","10","10","9","2","1") = "9"
    & skf18("5","9","10","10","9","3","1") = "9"
    & skf18("5","9","10","10","9","4","1") = "9"
    & skf18("5","9","10","10","9","5","1") = "9"
    & skf18("5","9","10","10","9","6","1") = "9"
    & skf18("5","9","10","10","9","7","1") = "9"
    & skf18("5","9","10","10","9","8","1") = "9"
    & skf18("5","9","10","10","9","9","1") = "9"
    & skf18("5","9","10","10","9","10","1") = "9"
    & skf18("5","9","10","10","10","1","1") = "9"
    & skf18("5","9","10","10","10","2","1") = "9"
    & skf18("5","9","10","10","10","3","1") = "9"
    & skf18("5","9","10","10","10","4","1") = "9"
    & skf18("5","9","10","10","10","5","1") = "9"
    & skf18("5","9","10","10","10","6","1") = "9"
    & skf18("5","9","10","10","10","7","1") = "9"
    & skf18("5","9","10","10","10","8","1") = "9"
    & skf18("5","9","10","10","10","9","1") = "9"
    & skf18("5","9","10","10","10","10","1") = "9"
    & skf18("5","10","1","1","1","1","1") = "9"
    & skf18("5","10","1","1","1","2","1") = "9"
    & skf18("5","10","1","1","1","3","1") = "9"
    & skf18("5","10","1","1","1","4","1") = "9"
    & skf18("5","10","1","1","1","5","1") = "9"
    & skf18("5","10","1","1","1","6","1") = "9"
    & skf18("5","10","1","1","1","7","1") = "9"
    & skf18("5","10","1","1","1","8","1") = "9"
    & skf18("5","10","1","1","1","9","1") = "9"
    & skf18("5","10","1","1","1","10","1") = "9"
    & skf18("5","10","1","1","2","1","1") = "9"
    & skf18("5","10","1","1","2","2","1") = "9"
    & skf18("5","10","1","1","2","3","1") = "9"
    & skf18("5","10","1","1","2","4","1") = "9"
    & skf18("5","10","1","1","2","5","1") = "9"
    & skf18("5","10","1","1","2","6","1") = "9"
    & skf18("5","10","1","1","2","7","1") = "9"
    & skf18("5","10","1","1","2","8","1") = "9"
    & skf18("5","10","1","1","2","9","1") = "9"
    & skf18("5","10","1","1","2","10","1") = "9"
    & skf18("5","10","1","1","3","1","1") = "9"
    & skf18("5","10","1","1","3","2","1") = "9"
    & skf18("5","10","1","1","3","3","1") = "9"
    & skf18("5","10","1","1","3","4","1") = "9"
    & skf18("5","10","1","1","3","5","1") = "9"
    & skf18("5","10","1","1","3","6","1") = "9"
    & skf18("5","10","1","1","3","7","1") = "9"
    & skf18("5","10","1","1","3","8","1") = "9"
    & skf18("5","10","1","1","3","9","1") = "9"
    & skf18("5","10","1","1","3","10","1") = "9"
    & skf18("5","10","1","1","4","1","1") = "9"
    & skf18("5","10","1","1","4","2","1") = "9"
    & skf18("5","10","1","1","4","3","1") = "9"
    & skf18("5","10","1","1","4","4","1") = "9"
    & skf18("5","10","1","1","4","5","1") = "9"
    & skf18("5","10","1","1","4","6","1") = "9"
    & skf18("5","10","1","1","4","7","1") = "9"
    & skf18("5","10","1","1","4","8","1") = "9"
    & skf18("5","10","1","1","4","9","1") = "9"
    & skf18("5","10","1","1","4","10","1") = "9"
    & skf18("5","10","1","1","5","1","1") = "9"
    & skf18("5","10","1","1","5","2","1") = "9"
    & skf18("5","10","1","1","5","3","1") = "9"
    & skf18("5","10","1","1","5","4","1") = "9"
    & skf18("5","10","1","1","5","5","1") = "9"
    & skf18("5","10","1","1","5","6","1") = "9"
    & skf18("5","10","1","1","5","7","1") = "9"
    & skf18("5","10","1","1","5","8","1") = "9"
    & skf18("5","10","1","1","5","9","1") = "9"
    & skf18("5","10","1","1","5","10","1") = "9"
    & skf18("5","10","1","1","6","1","1") = "9"
    & skf18("5","10","1","1","6","2","1") = "9"
    & skf18("5","10","1","1","6","3","1") = "9"
    & skf18("5","10","1","1","6","4","1") = "9"
    & skf18("5","10","1","1","6","5","1") = "9"
    & skf18("5","10","1","1","6","6","1") = "9"
    & skf18("5","10","1","1","6","7","1") = "9"
    & skf18("5","10","1","1","6","8","1") = "9"
    & skf18("5","10","1","1","6","9","1") = "9"
    & skf18("5","10","1","1","6","10","1") = "9"
    & skf18("5","10","1","1","7","1","1") = "9"
    & skf18("5","10","1","1","7","2","1") = "9"
    & skf18("5","10","1","1","7","3","1") = "9"
    & skf18("5","10","1","1","7","4","1") = "9"
    & skf18("5","10","1","1","7","5","1") = "9"
    & skf18("5","10","1","1","7","6","1") = "9"
    & skf18("5","10","1","1","7","7","1") = "9"
    & skf18("5","10","1","1","7","8","1") = "9"
    & skf18("5","10","1","1","7","9","1") = "9"
    & skf18("5","10","1","1","7","10","1") = "9"
    & skf18("5","10","1","1","8","1","1") = "9"
    & skf18("5","10","1","1","8","2","1") = "9"
    & skf18("5","10","1","1","8","3","1") = "9"
    & skf18("5","10","1","1","8","4","1") = "9"
    & skf18("5","10","1","1","8","5","1") = "9"
    & skf18("5","10","1","1","8","6","1") = "9"
    & skf18("5","10","1","1","8","7","1") = "9"
    & skf18("5","10","1","1","8","8","1") = "9"
    & skf18("5","10","1","1","8","9","1") = "9"
    & skf18("5","10","1","1","8","10","1") = "9"
    & skf18("5","10","1","1","9","1","1") = "9"
    & skf18("5","10","1","1","9","2","1") = "9"
    & skf18("5","10","1","1","9","3","1") = "9"
    & skf18("5","10","1","1","9","4","1") = "9"
    & skf18("5","10","1","1","9","5","1") = "9"
    & skf18("5","10","1","1","9","6","1") = "9"
    & skf18("5","10","1","1","9","7","1") = "9"
    & skf18("5","10","1","1","9","8","1") = "9"
    & skf18("5","10","1","1","9","9","1") = "9"
    & skf18("5","10","1","1","9","10","1") = "9"
    & skf18("5","10","1","1","10","1","1") = "9"
    & skf18("5","10","1","1","10","2","1") = "9"
    & skf18("5","10","1","1","10","3","1") = "9"
    & skf18("5","10","1","1","10","4","1") = "9"
    & skf18("5","10","1","1","10","5","1") = "9"
    & skf18("5","10","1","1","10","6","1") = "9"
    & skf18("5","10","1","1","10","7","1") = "9"
    & skf18("5","10","1","1","10","8","1") = "9"
    & skf18("5","10","1","1","10","9","1") = "9"
    & skf18("5","10","1","1","10","10","1") = "9"
    & skf18("5","10","1","2","1","1","1") = "9"
    & skf18("5","10","1","2","1","2","1") = "9"
    & skf18("5","10","1","2","1","3","1") = "9"
    & skf18("5","10","1","2","1","4","1") = "9"
    & skf18("5","10","1","2","1","5","1") = "9"
    & skf18("5","10","1","2","1","6","1") = "9"
    & skf18("5","10","1","2","1","7","1") = "9"
    & skf18("5","10","1","2","1","8","1") = "9"
    & skf18("5","10","1","2","1","9","1") = "9"
    & skf18("5","10","1","2","1","10","1") = "9"
    & skf18("5","10","1","2","2","1","1") = "9"
    & skf18("5","10","1","2","2","2","1") = "9"
    & skf18("5","10","1","2","2","3","1") = "9"
    & skf18("5","10","1","2","2","4","1") = "9"
    & skf18("5","10","1","2","2","5","1") = "9"
    & skf18("5","10","1","2","2","6","1") = "9"
    & skf18("5","10","1","2","2","7","1") = "9"
    & skf18("5","10","1","2","2","8","1") = "9"
    & skf18("5","10","1","2","2","9","1") = "9"
    & skf18("5","10","1","2","2","10","1") = "9"
    & skf18("5","10","1","2","3","1","1") = "9"
    & skf18("5","10","1","2","3","2","1") = "9"
    & skf18("5","10","1","2","3","3","1") = "9"
    & skf18("5","10","1","2","3","4","1") = "9"
    & skf18("5","10","1","2","3","5","1") = "9"
    & skf18("5","10","1","2","3","6","1") = "9"
    & skf18("5","10","1","2","3","7","1") = "9"
    & skf18("5","10","1","2","3","8","1") = "9"
    & skf18("5","10","1","2","3","9","1") = "9"
    & skf18("5","10","1","2","3","10","1") = "9"
    & skf18("5","10","1","2","4","1","1") = "9"
    & skf18("5","10","1","2","4","2","1") = "9"
    & skf18("5","10","1","2","4","3","1") = "9"
    & skf18("5","10","1","2","4","4","1") = "9"
    & skf18("5","10","1","2","4","5","1") = "9"
    & skf18("5","10","1","2","4","6","1") = "9"
    & skf18("5","10","1","2","4","7","1") = "9"
    & skf18("5","10","1","2","4","8","1") = "9"
    & skf18("5","10","1","2","4","9","1") = "9"
    & skf18("5","10","1","2","4","10","1") = "9"
    & skf18("5","10","1","2","5","1","1") = "9"
    & skf18("5","10","1","2","5","2","1") = "9"
    & skf18("5","10","1","2","5","3","1") = "9"
    & skf18("5","10","1","2","5","4","1") = "9"
    & skf18("5","10","1","2","5","5","1") = "9"
    & skf18("5","10","1","2","5","6","1") = "9"
    & skf18("5","10","1","2","5","7","1") = "9"
    & skf18("5","10","1","2","5","8","1") = "9"
    & skf18("5","10","1","2","5","9","1") = "9"
    & skf18("5","10","1","2","5","10","1") = "9"
    & skf18("5","10","1","2","6","1","1") = "9"
    & skf18("5","10","1","2","6","2","1") = "9"
    & skf18("5","10","1","2","6","3","1") = "9"
    & skf18("5","10","1","2","6","4","1") = "9"
    & skf18("5","10","1","2","6","5","1") = "9"
    & skf18("5","10","1","2","6","6","1") = "9"
    & skf18("5","10","1","2","6","7","1") = "9"
    & skf18("5","10","1","2","6","8","1") = "9"
    & skf18("5","10","1","2","6","9","1") = "9"
    & skf18("5","10","1","2","6","10","1") = "9"
    & skf18("5","10","1","2","7","1","1") = "9"
    & skf18("5","10","1","2","7","2","1") = "9"
    & skf18("5","10","1","2","7","3","1") = "9"
    & skf18("5","10","1","2","7","4","1") = "9"
    & skf18("5","10","1","2","7","5","1") = "9"
    & skf18("5","10","1","2","7","6","1") = "9"
    & skf18("5","10","1","2","7","7","1") = "9"
    & skf18("5","10","1","2","7","8","1") = "9"
    & skf18("5","10","1","2","7","9","1") = "9"
    & skf18("5","10","1","2","7","10","1") = "9"
    & skf18("5","10","1","2","8","1","1") = "9"
    & skf18("5","10","1","2","8","2","1") = "9"
    & skf18("5","10","1","2","8","3","1") = "9"
    & skf18("5","10","1","2","8","4","1") = "9"
    & skf18("5","10","1","2","8","5","1") = "9"
    & skf18("5","10","1","2","8","6","1") = "9"
    & skf18("5","10","1","2","8","7","1") = "9"
    & skf18("5","10","1","2","8","8","1") = "9"
    & skf18("5","10","1","2","8","9","1") = "9"
    & skf18("5","10","1","2","8","10","1") = "9"
    & skf18("5","10","1","2","9","1","1") = "9"
    & skf18("5","10","1","2","9","2","1") = "9"
    & skf18("5","10","1","2","9","3","1") = "9"
    & skf18("5","10","1","2","9","4","1") = "9"
    & skf18("5","10","1","2","9","5","1") = "9"
    & skf18("5","10","1","2","9","6","1") = "9"
    & skf18("5","10","1","2","9","7","1") = "9"
    & skf18("5","10","1","2","9","8","1") = "9"
    & skf18("5","10","1","2","9","9","1") = "9"
    & skf18("5","10","1","2","9","10","1") = "9"
    & skf18("5","10","1","2","10","1","1") = "9"
    & skf18("5","10","1","2","10","2","1") = "9"
    & skf18("5","10","1","2","10","3","1") = "9"
    & skf18("5","10","1","2","10","4","1") = "9"
    & skf18("5","10","1","2","10","5","1") = "9"
    & skf18("5","10","1","2","10","6","1") = "9"
    & skf18("5","10","1","2","10","7","1") = "9"
    & skf18("5","10","1","2","10","8","1") = "9"
    & skf18("5","10","1","2","10","9","1") = "9"
    & skf18("5","10","1","2","10","10","1") = "9"
    & skf18("5","10","1","3","1","1","1") = "9"
    & skf18("5","10","1","3","1","2","1") = "9"
    & skf18("5","10","1","3","1","3","1") = "9"
    & skf18("5","10","1","3","1","4","1") = "9"
    & skf18("5","10","1","3","1","5","1") = "9"
    & skf18("5","10","1","3","1","6","1") = "9"
    & skf18("5","10","1","3","1","7","1") = "9"
    & skf18("5","10","1","3","1","8","1") = "9"
    & skf18("5","10","1","3","1","9","1") = "9"
    & skf18("5","10","1","3","1","10","1") = "9"
    & skf18("5","10","1","3","2","1","1") = "9"
    & skf18("5","10","1","3","2","2","1") = "9"
    & skf18("5","10","1","3","2","3","1") = "9"
    & skf18("5","10","1","3","2","4","1") = "9"
    & skf18("5","10","1","3","2","5","1") = "9"
    & skf18("5","10","1","3","2","6","1") = "9"
    & skf18("5","10","1","3","2","7","1") = "9"
    & skf18("5","10","1","3","2","8","1") = "9"
    & skf18("5","10","1","3","2","9","1") = "9"
    & skf18("5","10","1","3","2","10","1") = "9"
    & skf18("5","10","1","3","3","1","1") = "9"
    & skf18("5","10","1","3","3","2","1") = "9"
    & skf18("5","10","1","3","3","3","1") = "9"
    & skf18("5","10","1","3","3","4","1") = "9"
    & skf18("5","10","1","3","3","5","1") = "9"
    & skf18("5","10","1","3","3","6","1") = "9"
    & skf18("5","10","1","3","3","7","1") = "9"
    & skf18("5","10","1","3","3","8","1") = "9"
    & skf18("5","10","1","3","3","9","1") = "9"
    & skf18("5","10","1","3","3","10","1") = "9"
    & skf18("5","10","1","3","4","1","1") = "9"
    & skf18("5","10","1","3","4","2","1") = "9"
    & skf18("5","10","1","3","4","3","1") = "9"
    & skf18("5","10","1","3","4","4","1") = "9"
    & skf18("5","10","1","3","4","5","1") = "9"
    & skf18("5","10","1","3","4","6","1") = "9"
    & skf18("5","10","1","3","4","7","1") = "9"
    & skf18("5","10","1","3","4","8","1") = "9"
    & skf18("5","10","1","3","4","9","1") = "9"
    & skf18("5","10","1","3","4","10","1") = "9"
    & skf18("5","10","1","3","5","1","1") = "9"
    & skf18("5","10","1","3","5","2","1") = "9"
    & skf18("5","10","1","3","5","3","1") = "9"
    & skf18("5","10","1","3","5","4","1") = "9"
    & skf18("5","10","1","3","5","5","1") = "9"
    & skf18("5","10","1","3","5","6","1") = "9"
    & skf18("5","10","1","3","5","7","1") = "9"
    & skf18("5","10","1","3","5","8","1") = "9"
    & skf18("5","10","1","3","5","9","1") = "9"
    & skf18("5","10","1","3","5","10","1") = "9"
    & skf18("5","10","1","3","6","1","1") = "9"
    & skf18("5","10","1","3","6","2","1") = "9"
    & skf18("5","10","1","3","6","3","1") = "9"
    & skf18("5","10","1","3","6","4","1") = "9"
    & skf18("5","10","1","3","6","5","1") = "9"
    & skf18("5","10","1","3","6","6","1") = "9"
    & skf18("5","10","1","3","6","7","1") = "9"
    & skf18("5","10","1","3","6","8","1") = "9"
    & skf18("5","10","1","3","6","9","1") = "9"
    & skf18("5","10","1","3","6","10","1") = "9"
    & skf18("5","10","1","3","7","1","1") = "9"
    & skf18("5","10","1","3","7","2","1") = "9"
    & skf18("5","10","1","3","7","3","1") = "9"
    & skf18("5","10","1","3","7","4","1") = "9"
    & skf18("5","10","1","3","7","5","1") = "9"
    & skf18("5","10","1","3","7","6","1") = "9"
    & skf18("5","10","1","3","7","7","1") = "9"
    & skf18("5","10","1","3","7","8","1") = "9"
    & skf18("5","10","1","3","7","9","1") = "9"
    & skf18("5","10","1","3","7","10","1") = "9"
    & skf18("5","10","1","3","8","1","1") = "9"
    & skf18("5","10","1","3","8","2","1") = "9"
    & skf18("5","10","1","3","8","3","1") = "9"
    & skf18("5","10","1","3","8","4","1") = "9"
    & skf18("5","10","1","3","8","5","1") = "9"
    & skf18("5","10","1","3","8","6","1") = "9"
    & skf18("5","10","1","3","8","7","1") = "9"
    & skf18("5","10","1","3","8","8","1") = "9"
    & skf18("5","10","1","3","8","9","1") = "9"
    & skf18("5","10","1","3","8","10","1") = "9"
    & skf18("5","10","1","3","9","1","1") = "9"
    & skf18("5","10","1","3","9","2","1") = "9"
    & skf18("5","10","1","3","9","3","1") = "9"
    & skf18("5","10","1","3","9","4","1") = "9"
    & skf18("5","10","1","3","9","5","1") = "9"
    & skf18("5","10","1","3","9","6","1") = "9"
    & skf18("5","10","1","3","9","7","1") = "9"
    & skf18("5","10","1","3","9","8","1") = "9"
    & skf18("5","10","1","3","9","9","1") = "9"
    & skf18("5","10","1","3","9","10","1") = "9"
    & skf18("5","10","1","3","10","1","1") = "9"
    & skf18("5","10","1","3","10","2","1") = "9"
    & skf18("5","10","1","3","10","3","1") = "9"
    & skf18("5","10","1","3","10","4","1") = "9"
    & skf18("5","10","1","3","10","5","1") = "9"
    & skf18("5","10","1","3","10","6","1") = "9"
    & skf18("5","10","1","3","10","7","1") = "9"
    & skf18("5","10","1","3","10","8","1") = "9"
    & skf18("5","10","1","3","10","9","1") = "9"
    & skf18("5","10","1","3","10","10","1") = "9"
    & skf18("5","10","1","4","1","1","1") = "9"
    & skf18("5","10","1","4","1","2","1") = "9"
    & skf18("5","10","1","4","1","3","1") = "9"
    & skf18("5","10","1","4","1","4","1") = "9"
    & skf18("5","10","1","4","1","5","1") = "9"
    & skf18("5","10","1","4","1","6","1") = "9"
    & skf18("5","10","1","4","1","7","1") = "9"
    & skf18("5","10","1","4","1","8","1") = "9"
    & skf18("5","10","1","4","1","9","1") = "9"
    & skf18("5","10","1","4","1","10","1") = "9"
    & skf18("5","10","1","4","2","1","1") = "9"
    & skf18("5","10","1","4","2","2","1") = "9"
    & skf18("5","10","1","4","2","3","1") = "9"
    & skf18("5","10","1","4","2","4","1") = "9"
    & skf18("5","10","1","4","2","5","1") = "9"
    & skf18("5","10","1","4","2","6","1") = "9"
    & skf18("5","10","1","4","2","7","1") = "9"
    & skf18("5","10","1","4","2","8","1") = "9"
    & skf18("5","10","1","4","2","9","1") = "9"
    & skf18("5","10","1","4","2","10","1") = "9"
    & skf18("5","10","1","4","3","1","1") = "9"
    & skf18("5","10","1","4","3","2","1") = "9"
    & skf18("5","10","1","4","3","3","1") = "9"
    & skf18("5","10","1","4","3","4","1") = "9"
    & skf18("5","10","1","4","3","5","1") = "9"
    & skf18("5","10","1","4","3","6","1") = "9"
    & skf18("5","10","1","4","3","7","1") = "9"
    & skf18("5","10","1","4","3","8","1") = "9"
    & skf18("5","10","1","4","3","9","1") = "9"
    & skf18("5","10","1","4","3","10","1") = "9"
    & skf18("5","10","1","4","4","1","1") = "9"
    & skf18("5","10","1","4","4","2","1") = "9"
    & skf18("5","10","1","4","4","3","1") = "9"
    & skf18("5","10","1","4","4","4","1") = "9"
    & skf18("5","10","1","4","4","5","1") = "9"
    & skf18("5","10","1","4","4","6","1") = "9"
    & skf18("5","10","1","4","4","7","1") = "9"
    & skf18("5","10","1","4","4","8","1") = "9"
    & skf18("5","10","1","4","4","9","1") = "9"
    & skf18("5","10","1","4","4","10","1") = "9"
    & skf18("5","10","1","4","5","1","1") = "9"
    & skf18("5","10","1","4","5","2","1") = "9"
    & skf18("5","10","1","4","5","3","1") = "9"
    & skf18("5","10","1","4","5","4","1") = "9"
    & skf18("5","10","1","4","5","5","1") = "9"
    & skf18("5","10","1","4","5","6","1") = "9"
    & skf18("5","10","1","4","5","7","1") = "9"
    & skf18("5","10","1","4","5","8","1") = "9"
    & skf18("5","10","1","4","5","9","1") = "9"
    & skf18("5","10","1","4","5","10","1") = "9"
    & skf18("5","10","1","4","6","1","1") = "9"
    & skf18("5","10","1","4","6","2","1") = "9"
    & skf18("5","10","1","4","6","3","1") = "9"
    & skf18("5","10","1","4","6","4","1") = "9"
    & skf18("5","10","1","4","6","5","1") = "9"
    & skf18("5","10","1","4","6","6","1") = "9"
    & skf18("5","10","1","4","6","7","1") = "9"
    & skf18("5","10","1","4","6","8","1") = "9"
    & skf18("5","10","1","4","6","9","1") = "9"
    & skf18("5","10","1","4","6","10","1") = "9"
    & skf18("5","10","1","4","7","1","1") = "9"
    & skf18("5","10","1","4","7","2","1") = "9"
    & skf18("5","10","1","4","7","3","1") = "9"
    & skf18("5","10","1","4","7","4","1") = "9"
    & skf18("5","10","1","4","7","5","1") = "9"
    & skf18("5","10","1","4","7","6","1") = "9"
    & skf18("5","10","1","4","7","7","1") = "9"
    & skf18("5","10","1","4","7","8","1") = "9"
    & skf18("5","10","1","4","7","9","1") = "9"
    & skf18("5","10","1","4","7","10","1") = "9"
    & skf18("5","10","1","4","8","1","1") = "9"
    & skf18("5","10","1","4","8","2","1") = "9"
    & skf18("5","10","1","4","8","3","1") = "9"
    & skf18("5","10","1","4","8","4","1") = "9"
    & skf18("5","10","1","4","8","5","1") = "9"
    & skf18("5","10","1","4","8","6","1") = "9"
    & skf18("5","10","1","4","8","7","1") = "9"
    & skf18("5","10","1","4","8","8","1") = "9"
    & skf18("5","10","1","4","8","9","1") = "9"
    & skf18("5","10","1","4","8","10","1") = "9"
    & skf18("5","10","1","4","9","1","1") = "9"
    & skf18("5","10","1","4","9","2","1") = "9"
    & skf18("5","10","1","4","9","3","1") = "9"
    & skf18("5","10","1","4","9","4","1") = "9"
    & skf18("5","10","1","4","9","5","1") = "9"
    & skf18("5","10","1","4","9","6","1") = "9"
    & skf18("5","10","1","4","9","7","1") = "9"
    & skf18("5","10","1","4","9","8","1") = "9"
    & skf18("5","10","1","4","9","9","1") = "9"
    & skf18("5","10","1","4","9","10","1") = "9"
    & skf18("5","10","1","4","10","1","1") = "9"
    & skf18("5","10","1","4","10","2","1") = "9"
    & skf18("5","10","1","4","10","3","1") = "9"
    & skf18("5","10","1","4","10","4","1") = "9"
    & skf18("5","10","1","4","10","5","1") = "9"
    & skf18("5","10","1","4","10","6","1") = "9"
    & skf18("5","10","1","4","10","7","1") = "9"
    & skf18("5","10","1","4","10","8","1") = "9"
    & skf18("5","10","1","4","10","9","1") = "9"
    & skf18("5","10","1","4","10","10","1") = "9"
    & skf18("5","10","1","5","1","1","1") = "9"
    & skf18("5","10","1","5","1","2","1") = "9"
    & skf18("5","10","1","5","1","3","1") = "9"
    & skf18("5","10","1","5","1","4","1") = "9"
    & skf18("5","10","1","5","1","5","1") = "9"
    & skf18("5","10","1","5","1","6","1") = "9"
    & skf18("5","10","1","5","1","7","1") = "9"
    & skf18("5","10","1","5","1","8","1") = "9"
    & skf18("5","10","1","5","1","9","1") = "9"
    & skf18("5","10","1","5","1","10","1") = "9"
    & skf18("5","10","1","5","2","1","1") = "9"
    & skf18("5","10","1","5","2","2","1") = "9"
    & skf18("5","10","1","5","2","3","1") = "9"
    & skf18("5","10","1","5","2","4","1") = "9"
    & skf18("5","10","1","5","2","5","1") = "9"
    & skf18("5","10","1","5","2","6","1") = "9"
    & skf18("5","10","1","5","2","7","1") = "9"
    & skf18("5","10","1","5","2","8","1") = "9"
    & skf18("5","10","1","5","2","9","1") = "9"
    & skf18("5","10","1","5","2","10","1") = "9"
    & skf18("5","10","1","5","3","1","1") = "9"
    & skf18("5","10","1","5","3","2","1") = "9"
    & skf18("5","10","1","5","3","3","1") = "9"
    & skf18("5","10","1","5","3","4","1") = "9"
    & skf18("5","10","1","5","3","5","1") = "9"
    & skf18("5","10","1","5","3","6","1") = "9"
    & skf18("5","10","1","5","3","7","1") = "9"
    & skf18("5","10","1","5","3","8","1") = "9"
    & skf18("5","10","1","5","3","9","1") = "9"
    & skf18("5","10","1","5","3","10","1") = "9"
    & skf18("5","10","1","5","4","1","1") = "9"
    & skf18("5","10","1","5","4","2","1") = "9"
    & skf18("5","10","1","5","4","3","1") = "9"
    & skf18("5","10","1","5","4","4","1") = "9"
    & skf18("5","10","1","5","4","5","1") = "9"
    & skf18("5","10","1","5","4","6","1") = "9"
    & skf18("5","10","1","5","4","7","1") = "9"
    & skf18("5","10","1","5","4","8","1") = "9"
    & skf18("5","10","1","5","4","9","1") = "9"
    & skf18("5","10","1","5","4","10","1") = "9"
    & skf18("5","10","1","5","5","1","1") = "9"
    & skf18("5","10","1","5","5","2","1") = "9"
    & skf18("5","10","1","5","5","3","1") = "9"
    & skf18("5","10","1","5","5","4","1") = "9"
    & skf18("5","10","1","5","5","5","1") = "9"
    & skf18("5","10","1","5","5","6","1") = "9"
    & skf18("5","10","1","5","5","7","1") = "9"
    & skf18("5","10","1","5","5","8","1") = "9"
    & skf18("5","10","1","5","5","9","1") = "9"
    & skf18("5","10","1","5","5","10","1") = "9"
    & skf18("5","10","1","5","6","1","1") = "9"
    & skf18("5","10","1","5","6","2","1") = "9"
    & skf18("5","10","1","5","6","3","1") = "9"
    & skf18("5","10","1","5","6","4","1") = "9"
    & skf18("5","10","1","5","6","5","1") = "9"
    & skf18("5","10","1","5","6","6","1") = "9"
    & skf18("5","10","1","5","6","7","1") = "9"
    & skf18("5","10","1","5","6","8","1") = "9"
    & skf18("5","10","1","5","6","9","1") = "9"
    & skf18("5","10","1","5","6","10","1") = "9"
    & skf18("5","10","1","5","7","1","1") = "9"
    & skf18("5","10","1","5","7","2","1") = "9"
    & skf18("5","10","1","5","7","3","1") = "9"
    & skf18("5","10","1","5","7","4","1") = "9"
    & skf18("5","10","1","5","7","5","1") = "9"
    & skf18("5","10","1","5","7","6","1") = "9"
    & skf18("5","10","1","5","7","7","1") = "9"
    & skf18("5","10","1","5","7","8","1") = "9"
    & skf18("5","10","1","5","7","9","1") = "9"
    & skf18("5","10","1","5","7","10","1") = "9"
    & skf18("5","10","1","5","8","1","1") = "9"
    & skf18("5","10","1","5","8","2","1") = "9"
    & skf18("5","10","1","5","8","3","1") = "9"
    & skf18("5","10","1","5","8","4","1") = "9"
    & skf18("5","10","1","5","8","5","1") = "9"
    & skf18("5","10","1","5","8","6","1") = "9"
    & skf18("5","10","1","5","8","7","1") = "9"
    & skf18("5","10","1","5","8","8","1") = "9"
    & skf18("5","10","1","5","8","9","1") = "9"
    & skf18("5","10","1","5","8","10","1") = "9"
    & skf18("5","10","1","5","9","1","1") = "9"
    & skf18("5","10","1","5","9","2","1") = "9"
    & skf18("5","10","1","5","9","3","1") = "9"
    & skf18("5","10","1","5","9","4","1") = "9"
    & skf18("5","10","1","5","9","5","1") = "9"
    & skf18("5","10","1","5","9","6","1") = "9"
    & skf18("5","10","1","5","9","7","1") = "9"
    & skf18("5","10","1","5","9","8","1") = "9"
    & skf18("5","10","1","5","9","9","1") = "9"
    & skf18("5","10","1","5","9","10","1") = "9"
    & skf18("5","10","1","5","10","1","1") = "9"
    & skf18("5","10","1","5","10","2","1") = "9"
    & skf18("5","10","1","5","10","3","1") = "9"
    & skf18("5","10","1","5","10","4","1") = "9"
    & skf18("5","10","1","5","10","5","1") = "9"
    & skf18("5","10","1","5","10","6","1") = "9"
    & skf18("5","10","1","5","10","7","1") = "9"
    & skf18("5","10","1","5","10","8","1") = "9"
    & skf18("5","10","1","5","10","9","1") = "9"
    & skf18("5","10","1","5","10","10","1") = "9"
    & skf18("5","10","1","6","1","1","1") = "9"
    & skf18("5","10","1","6","1","2","1") = "9"
    & skf18("5","10","1","6","1","3","1") = "9"
    & skf18("5","10","1","6","1","4","1") = "9"
    & skf18("5","10","1","6","1","5","1") = "9"
    & skf18("5","10","1","6","1","6","1") = "9"
    & skf18("5","10","1","6","1","7","1") = "9"
    & skf18("5","10","1","6","1","8","1") = "9"
    & skf18("5","10","1","6","1","9","1") = "9"
    & skf18("5","10","1","6","1","10","1") = "9"
    & skf18("5","10","1","6","2","1","1") = "9"
    & skf18("5","10","1","6","2","2","1") = "9"
    & skf18("5","10","1","6","2","3","1") = "9"
    & skf18("5","10","1","6","2","4","1") = "9"
    & skf18("5","10","1","6","2","5","1") = "9"
    & skf18("5","10","1","6","2","6","1") = "9"
    & skf18("5","10","1","6","2","7","1") = "9"
    & skf18("5","10","1","6","2","8","1") = "9"
    & skf18("5","10","1","6","2","9","1") = "9"
    & skf18("5","10","1","6","2","10","1") = "9"
    & skf18("5","10","1","6","3","1","1") = "9"
    & skf18("5","10","1","6","3","2","1") = "9"
    & skf18("5","10","1","6","3","3","1") = "9"
    & skf18("5","10","1","6","3","4","1") = "9"
    & skf18("5","10","1","6","3","5","1") = "9"
    & skf18("5","10","1","6","3","6","1") = "9"
    & skf18("5","10","1","6","3","7","1") = "9"
    & skf18("5","10","1","6","3","8","1") = "9"
    & skf18("5","10","1","6","3","9","1") = "9"
    & skf18("5","10","1","6","3","10","1") = "9"
    & skf18("5","10","1","6","4","1","1") = "9"
    & skf18("5","10","1","6","4","2","1") = "9"
    & skf18("5","10","1","6","4","3","1") = "9"
    & skf18("5","10","1","6","4","4","1") = "9"
    & skf18("5","10","1","6","4","5","1") = "9"
    & skf18("5","10","1","6","4","6","1") = "9"
    & skf18("5","10","1","6","4","7","1") = "9"
    & skf18("5","10","1","6","4","8","1") = "9"
    & skf18("5","10","1","6","4","9","1") = "9"
    & skf18("5","10","1","6","4","10","1") = "9"
    & skf18("5","10","1","6","5","1","1") = "9"
    & skf18("5","10","1","6","5","2","1") = "9"
    & skf18("5","10","1","6","5","3","1") = "9"
    & skf18("5","10","1","6","5","4","1") = "9"
    & skf18("5","10","1","6","5","5","1") = "9"
    & skf18("5","10","1","6","5","6","1") = "9"
    & skf18("5","10","1","6","5","7","1") = "9"
    & skf18("5","10","1","6","5","8","1") = "9"
    & skf18("5","10","1","6","5","9","1") = "9"
    & skf18("5","10","1","6","5","10","1") = "9"
    & skf18("5","10","1","6","6","1","1") = "9"
    & skf18("5","10","1","6","6","2","1") = "9"
    & skf18("5","10","1","6","6","3","1") = "9"
    & skf18("5","10","1","6","6","4","1") = "9"
    & skf18("5","10","1","6","6","5","1") = "9"
    & skf18("5","10","1","6","6","6","1") = "9"
    & skf18("5","10","1","6","6","7","1") = "9"
    & skf18("5","10","1","6","6","8","1") = "9"
    & skf18("5","10","1","6","6","9","1") = "9"
    & skf18("5","10","1","6","6","10","1") = "9"
    & skf18("5","10","1","6","7","1","1") = "9"
    & skf18("5","10","1","6","7","2","1") = "9"
    & skf18("5","10","1","6","7","3","1") = "9"
    & skf18("5","10","1","6","7","4","1") = "9"
    & skf18("5","10","1","6","7","5","1") = "9"
    & skf18("5","10","1","6","7","6","1") = "9"
    & skf18("5","10","1","6","7","7","1") = "9"
    & skf18("5","10","1","6","7","8","1") = "9"
    & skf18("5","10","1","6","7","9","1") = "9"
    & skf18("5","10","1","6","7","10","1") = "9"
    & skf18("5","10","1","6","8","1","1") = "9"
    & skf18("5","10","1","6","8","2","1") = "9"
    & skf18("5","10","1","6","8","3","1") = "9"
    & skf18("5","10","1","6","8","4","1") = "9"
    & skf18("5","10","1","6","8","5","1") = "9"
    & skf18("5","10","1","6","8","6","1") = "9"
    & skf18("5","10","1","6","8","7","1") = "9"
    & skf18("5","10","1","6","8","8","1") = "9"
    & skf18("5","10","1","6","8","9","1") = "9"
    & skf18("5","10","1","6","8","10","1") = "9"
    & skf18("5","10","1","6","9","1","1") = "9"
    & skf18("5","10","1","6","9","2","1") = "9"
    & skf18("5","10","1","6","9","3","1") = "9"
    & skf18("5","10","1","6","9","4","1") = "9"
    & skf18("5","10","1","6","9","5","1") = "9"
    & skf18("5","10","1","6","9","6","1") = "9"
    & skf18("5","10","1","6","9","7","1") = "9"
    & skf18("5","10","1","6","9","8","1") = "9"
    & skf18("5","10","1","6","9","9","1") = "9"
    & skf18("5","10","1","6","9","10","1") = "9"
    & skf18("5","10","1","6","10","1","1") = "9"
    & skf18("5","10","1","6","10","2","1") = "9"
    & skf18("5","10","1","6","10","3","1") = "9"
    & skf18("5","10","1","6","10","4","1") = "9"
    & skf18("5","10","1","6","10","5","1") = "9"
    & skf18("5","10","1","6","10","6","1") = "9"
    & skf18("5","10","1","6","10","7","1") = "9"
    & skf18("5","10","1","6","10","8","1") = "9"
    & skf18("5","10","1","6","10","9","1") = "9"
    & skf18("5","10","1","6","10","10","1") = "9"
    & skf18("5","10","1","7","1","1","1") = "9"
    & skf18("5","10","1","7","1","2","1") = "9"
    & skf18("5","10","1","7","1","3","1") = "9"
    & skf18("5","10","1","7","1","4","1") = "9"
    & skf18("5","10","1","7","1","5","1") = "9"
    & skf18("5","10","1","7","1","6","1") = "9"
    & skf18("5","10","1","7","1","7","1") = "9"
    & skf18("5","10","1","7","1","8","1") = "9"
    & skf18("5","10","1","7","1","9","1") = "9"
    & skf18("5","10","1","7","1","10","1") = "9"
    & skf18("5","10","1","7","2","1","1") = "9"
    & skf18("5","10","1","7","2","2","1") = "9"
    & skf18("5","10","1","7","2","3","1") = "9"
    & skf18("5","10","1","7","2","4","1") = "9"
    & skf18("5","10","1","7","2","5","1") = "9"
    & skf18("5","10","1","7","2","6","1") = "9"
    & skf18("5","10","1","7","2","7","1") = "9"
    & skf18("5","10","1","7","2","8","1") = "9"
    & skf18("5","10","1","7","2","9","1") = "9"
    & skf18("5","10","1","7","2","10","1") = "9"
    & skf18("5","10","1","7","3","1","1") = "9"
    & skf18("5","10","1","7","3","2","1") = "9"
    & skf18("5","10","1","7","3","3","1") = "9"
    & skf18("5","10","1","7","3","4","1") = "9"
    & skf18("5","10","1","7","3","5","1") = "9"
    & skf18("5","10","1","7","3","6","1") = "9"
    & skf18("5","10","1","7","3","7","1") = "9"
    & skf18("5","10","1","7","3","8","1") = "9"
    & skf18("5","10","1","7","3","9","1") = "9"
    & skf18("5","10","1","7","3","10","1") = "9"
    & skf18("5","10","1","7","4","1","1") = "9"
    & skf18("5","10","1","7","4","2","1") = "9"
    & skf18("5","10","1","7","4","3","1") = "9"
    & skf18("5","10","1","7","4","4","1") = "9"
    & skf18("5","10","1","7","4","5","1") = "9"
    & skf18("5","10","1","7","4","6","1") = "9"
    & skf18("5","10","1","7","4","7","1") = "9"
    & skf18("5","10","1","7","4","8","1") = "9"
    & skf18("5","10","1","7","4","9","1") = "9"
    & skf18("5","10","1","7","4","10","1") = "9"
    & skf18("5","10","1","7","5","1","1") = "9"
    & skf18("5","10","1","7","5","2","1") = "9"
    & skf18("5","10","1","7","5","3","1") = "9"
    & skf18("5","10","1","7","5","4","1") = "9"
    & skf18("5","10","1","7","5","5","1") = "9"
    & skf18("5","10","1","7","5","6","1") = "9"
    & skf18("5","10","1","7","5","7","1") = "9"
    & skf18("5","10","1","7","5","8","1") = "9"
    & skf18("5","10","1","7","5","9","1") = "9"
    & skf18("5","10","1","7","5","10","1") = "9"
    & skf18("5","10","1","7","6","1","1") = "9"
    & skf18("5","10","1","7","6","2","1") = "9"
    & skf18("5","10","1","7","6","3","1") = "9"
    & skf18("5","10","1","7","6","4","1") = "9"
    & skf18("5","10","1","7","6","5","1") = "9"
    & skf18("5","10","1","7","6","6","1") = "9"
    & skf18("5","10","1","7","6","7","1") = "9"
    & skf18("5","10","1","7","6","8","1") = "9"
    & skf18("5","10","1","7","6","9","1") = "9"
    & skf18("5","10","1","7","6","10","1") = "9"
    & skf18("5","10","1","7","7","1","1") = "9"
    & skf18("5","10","1","7","7","2","1") = "9"
    & skf18("5","10","1","7","7","3","1") = "9"
    & skf18("5","10","1","7","7","4","1") = "9"
    & skf18("5","10","1","7","7","5","1") = "9"
    & skf18("5","10","1","7","7","6","1") = "9"
    & skf18("5","10","1","7","7","7","1") = "9"
    & skf18("5","10","1","7","7","8","1") = "9"
    & skf18("5","10","1","7","7","9","1") = "9"
    & skf18("5","10","1","7","7","10","1") = "9"
    & skf18("5","10","1","7","8","1","1") = "9"
    & skf18("5","10","1","7","8","2","1") = "9"
    & skf18("5","10","1","7","8","3","1") = "9"
    & skf18("5","10","1","7","8","4","1") = "9"
    & skf18("5","10","1","7","8","5","1") = "9"
    & skf18("5","10","1","7","8","6","1") = "9"
    & skf18("5","10","1","7","8","7","1") = "9"
    & skf18("5","10","1","7","8","8","1") = "9"
    & skf18("5","10","1","7","8","9","1") = "9"
    & skf18("5","10","1","7","8","10","1") = "9"
    & skf18("5","10","1","7","9","1","1") = "9"
    & skf18("5","10","1","7","9","2","1") = "9"
    & skf18("5","10","1","7","9","3","1") = "9"
    & skf18("5","10","1","7","9","4","1") = "9"
    & skf18("5","10","1","7","9","5","1") = "9"
    & skf18("5","10","1","7","9","6","1") = "9"
    & skf18("5","10","1","7","9","7","1") = "9"
    & skf18("5","10","1","7","9","8","1") = "9"
    & skf18("5","10","1","7","9","9","1") = "9"
    & skf18("5","10","1","7","9","10","1") = "9"
    & skf18("5","10","1","7","10","1","1") = "9"
    & skf18("5","10","1","7","10","2","1") = "9"
    & skf18("5","10","1","7","10","3","1") = "9"
    & skf18("5","10","1","7","10","4","1") = "9"
    & skf18("5","10","1","7","10","5","1") = "9"
    & skf18("5","10","1","7","10","6","1") = "9"
    & skf18("5","10","1","7","10","7","1") = "9"
    & skf18("5","10","1","7","10","8","1") = "9"
    & skf18("5","10","1","7","10","9","1") = "9"
    & skf18("5","10","1","7","10","10","1") = "9"
    & skf18("5","10","1","8","1","1","1") = "9"
    & skf18("5","10","1","8","1","2","1") = "9"
    & skf18("5","10","1","8","1","3","1") = "9"
    & skf18("5","10","1","8","1","4","1") = "9"
    & skf18("5","10","1","8","1","5","1") = "9"
    & skf18("5","10","1","8","1","6","1") = "9"
    & skf18("5","10","1","8","1","7","1") = "9"
    & skf18("5","10","1","8","1","8","1") = "9"
    & skf18("5","10","1","8","1","9","1") = "9"
    & skf18("5","10","1","8","1","10","1") = "9"
    & skf18("5","10","1","8","2","1","1") = "9"
    & skf18("5","10","1","8","2","2","1") = "9"
    & skf18("5","10","1","8","2","3","1") = "9"
    & skf18("5","10","1","8","2","4","1") = "9"
    & skf18("5","10","1","8","2","5","1") = "9"
    & skf18("5","10","1","8","2","6","1") = "9"
    & skf18("5","10","1","8","2","7","1") = "9"
    & skf18("5","10","1","8","2","8","1") = "9"
    & skf18("5","10","1","8","2","9","1") = "9"
    & skf18("5","10","1","8","2","10","1") = "9"
    & skf18("5","10","1","8","3","1","1") = "9"
    & skf18("5","10","1","8","3","2","1") = "9"
    & skf18("5","10","1","8","3","3","1") = "9"
    & skf18("5","10","1","8","3","4","1") = "9"
    & skf18("5","10","1","8","3","5","1") = "9"
    & skf18("5","10","1","8","3","6","1") = "9"
    & skf18("5","10","1","8","3","7","1") = "9"
    & skf18("5","10","1","8","3","8","1") = "9"
    & skf18("5","10","1","8","3","9","1") = "9"
    & skf18("5","10","1","8","3","10","1") = "9"
    & skf18("5","10","1","8","4","1","1") = "9"
    & skf18("5","10","1","8","4","2","1") = "9"
    & skf18("5","10","1","8","4","3","1") = "9"
    & skf18("5","10","1","8","4","4","1") = "9"
    & skf18("5","10","1","8","4","5","1") = "9"
    & skf18("5","10","1","8","4","6","1") = "9"
    & skf18("5","10","1","8","4","7","1") = "9"
    & skf18("5","10","1","8","4","8","1") = "9"
    & skf18("5","10","1","8","4","9","1") = "9"
    & skf18("5","10","1","8","4","10","1") = "9"
    & skf18("5","10","1","8","5","1","1") = "9"
    & skf18("5","10","1","8","5","2","1") = "9"
    & skf18("5","10","1","8","5","3","1") = "9"
    & skf18("5","10","1","8","5","4","1") = "9"
    & skf18("5","10","1","8","5","5","1") = "9"
    & skf18("5","10","1","8","5","6","1") = "9"
    & skf18("5","10","1","8","5","7","1") = "9"
    & skf18("5","10","1","8","5","8","1") = "9"
    & skf18("5","10","1","8","5","9","1") = "9"
    & skf18("5","10","1","8","5","10","1") = "9"
    & skf18("5","10","1","8","6","1","1") = "9"
    & skf18("5","10","1","8","6","2","1") = "9"
    & skf18("5","10","1","8","6","3","1") = "9"
    & skf18("5","10","1","8","6","4","1") = "9"
    & skf18("5","10","1","8","6","5","1") = "9"
    & skf18("5","10","1","8","6","6","1") = "9"
    & skf18("5","10","1","8","6","7","1") = "9"
    & skf18("5","10","1","8","6","8","1") = "9"
    & skf18("5","10","1","8","6","9","1") = "9"
    & skf18("5","10","1","8","6","10","1") = "9"
    & skf18("5","10","1","8","7","1","1") = "9"
    & skf18("5","10","1","8","7","2","1") = "9"
    & skf18("5","10","1","8","7","3","1") = "9"
    & skf18("5","10","1","8","7","4","1") = "9"
    & skf18("5","10","1","8","7","5","1") = "9"
    & skf18("5","10","1","8","7","6","1") = "9"
    & skf18("5","10","1","8","7","7","1") = "9"
    & skf18("5","10","1","8","7","8","1") = "9"
    & skf18("5","10","1","8","7","9","1") = "9"
    & skf18("5","10","1","8","7","10","1") = "9"
    & skf18("5","10","1","8","8","1","1") = "9"
    & skf18("5","10","1","8","8","2","1") = "9"
    & skf18("5","10","1","8","8","3","1") = "9"
    & skf18("5","10","1","8","8","4","1") = "9"
    & skf18("5","10","1","8","8","5","1") = "9"
    & skf18("5","10","1","8","8","6","1") = "9"
    & skf18("5","10","1","8","8","7","1") = "9"
    & skf18("5","10","1","8","8","8","1") = "9"
    & skf18("5","10","1","8","8","9","1") = "9"
    & skf18("5","10","1","8","8","10","1") = "9"
    & skf18("5","10","1","8","9","1","1") = "9"
    & skf18("5","10","1","8","9","2","1") = "9"
    & skf18("5","10","1","8","9","3","1") = "9"
    & skf18("5","10","1","8","9","4","1") = "9"
    & skf18("5","10","1","8","9","5","1") = "9"
    & skf18("5","10","1","8","9","6","1") = "9"
    & skf18("5","10","1","8","9","7","1") = "9"
    & skf18("5","10","1","8","9","8","1") = "9"
    & skf18("5","10","1","8","9","9","1") = "9"
    & skf18("5","10","1","8","9","10","1") = "9"
    & skf18("5","10","1","8","10","1","1") = "9"
    & skf18("5","10","1","8","10","2","1") = "9"
    & skf18("5","10","1","8","10","3","1") = "9"
    & skf18("5","10","1","8","10","4","1") = "9"
    & skf18("5","10","1","8","10","5","1") = "9"
    & skf18("5","10","1","8","10","6","1") = "9"
    & skf18("5","10","1","8","10","7","1") = "9"
    & skf18("5","10","1","8","10","8","1") = "9"
    & skf18("5","10","1","8","10","9","1") = "9"
    & skf18("5","10","1","8","10","10","1") = "9"
    & skf18("5","10","1","9","1","1","1") = "9"
    & skf18("5","10","1","9","1","2","1") = "9"
    & skf18("5","10","1","9","1","3","1") = "9"
    & skf18("5","10","1","9","1","4","1") = "9"
    & skf18("5","10","1","9","1","5","1") = "9"
    & skf18("5","10","1","9","1","6","1") = "9"
    & skf18("5","10","1","9","1","7","1") = "9"
    & skf18("5","10","1","9","1","8","1") = "9"
    & skf18("5","10","1","9","1","9","1") = "9"
    & skf18("5","10","1","9","1","10","1") = "9"
    & skf18("5","10","1","9","2","1","1") = "9"
    & skf18("5","10","1","9","2","2","1") = "9"
    & skf18("5","10","1","9","2","3","1") = "9"
    & skf18("5","10","1","9","2","4","1") = "9"
    & skf18("5","10","1","9","2","5","1") = "9"
    & skf18("5","10","1","9","2","6","1") = "9"
    & skf18("5","10","1","9","2","7","1") = "9"
    & skf18("5","10","1","9","2","8","1") = "9"
    & skf18("5","10","1","9","2","9","1") = "9"
    & skf18("5","10","1","9","2","10","1") = "9"
    & skf18("5","10","1","9","3","1","1") = "9"
    & skf18("5","10","1","9","3","2","1") = "9"
    & skf18("5","10","1","9","3","3","1") = "9"
    & skf18("5","10","1","9","3","4","1") = "9"
    & skf18("5","10","1","9","3","5","1") = "9"
    & skf18("5","10","1","9","3","6","1") = "9"
    & skf18("5","10","1","9","3","7","1") = "9"
    & skf18("5","10","1","9","3","8","1") = "9"
    & skf18("5","10","1","9","3","9","1") = "9"
    & skf18("5","10","1","9","3","10","1") = "9"
    & skf18("5","10","1","9","4","1","1") = "9"
    & skf18("5","10","1","9","4","2","1") = "9"
    & skf18("5","10","1","9","4","3","1") = "9"
    & skf18("5","10","1","9","4","4","1") = "9"
    & skf18("5","10","1","9","4","5","1") = "9"
    & skf18("5","10","1","9","4","6","1") = "9"
    & skf18("5","10","1","9","4","7","1") = "9"
    & skf18("5","10","1","9","4","8","1") = "9"
    & skf18("5","10","1","9","4","9","1") = "9"
    & skf18("5","10","1","9","4","10","1") = "9"
    & skf18("5","10","1","9","5","1","1") = "9"
    & skf18("5","10","1","9","5","2","1") = "9"
    & skf18("5","10","1","9","5","3","1") = "9"
    & skf18("5","10","1","9","5","4","1") = "9"
    & skf18("5","10","1","9","5","5","1") = "9"
    & skf18("5","10","1","9","5","6","1") = "9"
    & skf18("5","10","1","9","5","7","1") = "9"
    & skf18("5","10","1","9","5","8","1") = "9"
    & skf18("5","10","1","9","5","9","1") = "9"
    & skf18("5","10","1","9","5","10","1") = "9"
    & skf18("5","10","1","9","6","1","1") = "9"
    & skf18("5","10","1","9","6","2","1") = "9"
    & skf18("5","10","1","9","6","3","1") = "9"
    & skf18("5","10","1","9","6","4","1") = "9"
    & skf18("5","10","1","9","6","5","1") = "9"
    & skf18("5","10","1","9","6","6","1") = "9"
    & skf18("5","10","1","9","6","7","1") = "9"
    & skf18("5","10","1","9","6","8","1") = "9"
    & skf18("5","10","1","9","6","9","1") = "9"
    & skf18("5","10","1","9","6","10","1") = "9"
    & skf18("5","10","1","9","7","1","1") = "9"
    & skf18("5","10","1","9","7","2","1") = "9"
    & skf18("5","10","1","9","7","3","1") = "9"
    & skf18("5","10","1","9","7","4","1") = "9"
    & skf18("5","10","1","9","7","5","1") = "9"
    & skf18("5","10","1","9","7","6","1") = "9"
    & skf18("5","10","1","9","7","7","1") = "9"
    & skf18("5","10","1","9","7","8","1") = "9"
    & skf18("5","10","1","9","7","9","1") = "9"
    & skf18("5","10","1","9","7","10","1") = "9"
    & skf18("5","10","1","9","8","1","1") = "9"
    & skf18("5","10","1","9","8","2","1") = "9"
    & skf18("5","10","1","9","8","3","1") = "9"
    & skf18("5","10","1","9","8","4","1") = "9"
    & skf18("5","10","1","9","8","5","1") = "9"
    & skf18("5","10","1","9","8","6","1") = "9"
    & skf18("5","10","1","9","8","7","1") = "9"
    & skf18("5","10","1","9","8","8","1") = "9"
    & skf18("5","10","1","9","8","9","1") = "9"
    & skf18("5","10","1","9","8","10","1") = "9"
    & skf18("5","10","1","9","9","1","1") = "9"
    & skf18("5","10","1","9","9","2","1") = "9"
    & skf18("5","10","1","9","9","3","1") = "9"
    & skf18("5","10","1","9","9","4","1") = "9"
    & skf18("5","10","1","9","9","5","1") = "9"
    & skf18("5","10","1","9","9","6","1") = "9"
    & skf18("5","10","1","9","9","7","1") = "9"
    & skf18("5","10","1","9","9","8","1") = "9"
    & skf18("5","10","1","9","9","9","1") = "9"
    & skf18("5","10","1","9","9","10","1") = "9"
    & skf18("5","10","1","9","10","1","1") = "9"
    & skf18("5","10","1","9","10","2","1") = "9"
    & skf18("5","10","1","9","10","3","1") = "9"
    & skf18("5","10","1","9","10","4","1") = "9"
    & skf18("5","10","1","9","10","5","1") = "9"
    & skf18("5","10","1","9","10","6","1") = "9"
    & skf18("5","10","1","9","10","7","1") = "9"
    & skf18("5","10","1","9","10","8","1") = "9"
    & skf18("5","10","1","9","10","9","1") = "9"
    & skf18("5","10","1","9","10","10","1") = "9"
    & skf18("5","10","1","10","1","1","1") = "9"
    & skf18("5","10","1","10","1","2","1") = "9"
    & skf18("5","10","1","10","1","3","1") = "9"
    & skf18("5","10","1","10","1","4","1") = "9"
    & skf18("5","10","1","10","1","5","1") = "9"
    & skf18("5","10","1","10","1","6","1") = "9"
    & skf18("5","10","1","10","1","7","1") = "9"
    & skf18("5","10","1","10","1","8","1") = "9"
    & skf18("5","10","1","10","1","9","1") = "9"
    & skf18("5","10","1","10","1","10","1") = "9"
    & skf18("5","10","1","10","2","1","1") = "9"
    & skf18("5","10","1","10","2","2","1") = "9"
    & skf18("5","10","1","10","2","3","1") = "9"
    & skf18("5","10","1","10","2","4","1") = "9"
    & skf18("5","10","1","10","2","5","1") = "9"
    & skf18("5","10","1","10","2","6","1") = "9"
    & skf18("5","10","1","10","2","7","1") = "9"
    & skf18("5","10","1","10","2","8","1") = "9"
    & skf18("5","10","1","10","2","9","1") = "9"
    & skf18("5","10","1","10","2","10","1") = "9"
    & skf18("5","10","1","10","3","1","1") = "9"
    & skf18("5","10","1","10","3","2","1") = "9"
    & skf18("5","10","1","10","3","3","1") = "9"
    & skf18("5","10","1","10","3","4","1") = "9"
    & skf18("5","10","1","10","3","5","1") = "9"
    & skf18("5","10","1","10","3","6","1") = "9"
    & skf18("5","10","1","10","3","7","1") = "9"
    & skf18("5","10","1","10","3","8","1") = "9"
    & skf18("5","10","1","10","3","9","1") = "9"
    & skf18("5","10","1","10","3","10","1") = "9"
    & skf18("5","10","1","10","4","1","1") = "9"
    & skf18("5","10","1","10","4","2","1") = "9"
    & skf18("5","10","1","10","4","3","1") = "9"
    & skf18("5","10","1","10","4","4","1") = "9"
    & skf18("5","10","1","10","4","5","1") = "9"
    & skf18("5","10","1","10","4","6","1") = "9"
    & skf18("5","10","1","10","4","7","1") = "9"
    & skf18("5","10","1","10","4","8","1") = "9"
    & skf18("5","10","1","10","4","9","1") = "9"
    & skf18("5","10","1","10","4","10","1") = "9"
    & skf18("5","10","1","10","5","1","1") = "9"
    & skf18("5","10","1","10","5","2","1") = "9"
    & skf18("5","10","1","10","5","3","1") = "9"
    & skf18("5","10","1","10","5","4","1") = "9"
    & skf18("5","10","1","10","5","5","1") = "9"
    & skf18("5","10","1","10","5","6","1") = "9"
    & skf18("5","10","1","10","5","7","1") = "9"
    & skf18("5","10","1","10","5","8","1") = "9"
    & skf18("5","10","1","10","5","9","1") = "9"
    & skf18("5","10","1","10","5","10","1") = "9"
    & skf18("5","10","1","10","6","1","1") = "9"
    & skf18("5","10","1","10","6","2","1") = "9"
    & skf18("5","10","1","10","6","3","1") = "9"
    & skf18("5","10","1","10","6","4","1") = "9"
    & skf18("5","10","1","10","6","5","1") = "9"
    & skf18("5","10","1","10","6","6","1") = "9"
    & skf18("5","10","1","10","6","7","1") = "9"
    & skf18("5","10","1","10","6","8","1") = "9"
    & skf18("5","10","1","10","6","9","1") = "9"
    & skf18("5","10","1","10","6","10","1") = "9"
    & skf18("5","10","1","10","7","1","1") = "9"
    & skf18("5","10","1","10","7","2","1") = "9"
    & skf18("5","10","1","10","7","3","1") = "9"
    & skf18("5","10","1","10","7","4","1") = "9"
    & skf18("5","10","1","10","7","5","1") = "9"
    & skf18("5","10","1","10","7","6","1") = "9"
    & skf18("5","10","1","10","7","7","1") = "9"
    & skf18("5","10","1","10","7","8","1") = "9"
    & skf18("5","10","1","10","7","9","1") = "9"
    & skf18("5","10","1","10","7","10","1") = "9"
    & skf18("5","10","1","10","8","1","1") = "9"
    & skf18("5","10","1","10","8","2","1") = "9"
    & skf18("5","10","1","10","8","3","1") = "9"
    & skf18("5","10","1","10","8","4","1") = "9"
    & skf18("5","10","1","10","8","5","1") = "9"
    & skf18("5","10","1","10","8","6","1") = "9"
    & skf18("5","10","1","10","8","7","1") = "9"
    & skf18("5","10","1","10","8","8","1") = "9"
    & skf18("5","10","1","10","8","9","1") = "9"
    & skf18("5","10","1","10","8","10","1") = "9"
    & skf18("5","10","1","10","9","1","1") = "9"
    & skf18("5","10","1","10","9","2","1") = "9"
    & skf18("5","10","1","10","9","3","1") = "9"
    & skf18("5","10","1","10","9","4","1") = "9"
    & skf18("5","10","1","10","9","5","1") = "9"
    & skf18("5","10","1","10","9","6","1") = "9"
    & skf18("5","10","1","10","9","7","1") = "9"
    & skf18("5","10","1","10","9","8","1") = "9"
    & skf18("5","10","1","10","9","9","1") = "9"
    & skf18("5","10","1","10","9","10","1") = "9"
    & skf18("5","10","1","10","10","1","1") = "9"
    & skf18("5","10","1","10","10","2","1") = "9"
    & skf18("5","10","1","10","10","3","1") = "9"
    & skf18("5","10","1","10","10","4","1") = "9"
    & skf18("5","10","1","10","10","5","1") = "9"
    & skf18("5","10","1","10","10","6","1") = "9"
    & skf18("5","10","1","10","10","7","1") = "9"
    & skf18("5","10","1","10","10","8","1") = "9"
    & skf18("5","10","1","10","10","9","1") = "9"
    & skf18("5","10","1","10","10","10","1") = "9"
    & skf18("5","10","2","1","1","1","1") = "9"
    & skf18("5","10","2","1","1","2","1") = "9"
    & skf18("5","10","2","1","1","3","1") = "9"
    & skf18("5","10","2","1","1","4","1") = "9"
    & skf18("5","10","2","1","1","5","1") = "9"
    & skf18("5","10","2","1","1","6","1") = "9"
    & skf18("5","10","2","1","1","7","1") = "9"
    & skf18("5","10","2","1","1","8","1") = "9"
    & skf18("5","10","2","1","1","9","1") = "9"
    & skf18("5","10","2","1","1","10","1") = "9"
    & skf18("5","10","2","1","2","1","1") = "9"
    & skf18("5","10","2","1","2","2","1") = "9"
    & skf18("5","10","2","1","2","3","1") = "9"
    & skf18("5","10","2","1","2","4","1") = "9"
    & skf18("5","10","2","1","2","5","1") = "9"
    & skf18("5","10","2","1","2","6","1") = "9"
    & skf18("5","10","2","1","2","7","1") = "9"
    & skf18("5","10","2","1","2","8","1") = "9"
    & skf18("5","10","2","1","2","9","1") = "9"
    & skf18("5","10","2","1","2","10","1") = "9"
    & skf18("5","10","2","1","3","1","1") = "9"
    & skf18("5","10","2","1","3","2","1") = "9"
    & skf18("5","10","2","1","3","3","1") = "9"
    & skf18("5","10","2","1","3","4","1") = "9"
    & skf18("5","10","2","1","3","5","1") = "9"
    & skf18("5","10","2","1","3","6","1") = "9"
    & skf18("5","10","2","1","3","7","1") = "9"
    & skf18("5","10","2","1","3","8","1") = "9"
    & skf18("5","10","2","1","3","9","1") = "9"
    & skf18("5","10","2","1","3","10","1") = "9"
    & skf18("5","10","2","1","4","1","1") = "9"
    & skf18("5","10","2","1","4","2","1") = "9"
    & skf18("5","10","2","1","4","3","1") = "9"
    & skf18("5","10","2","1","4","4","1") = "9"
    & skf18("5","10","2","1","4","5","1") = "9"
    & skf18("5","10","2","1","4","6","1") = "9"
    & skf18("5","10","2","1","4","7","1") = "9"
    & skf18("5","10","2","1","4","8","1") = "9"
    & skf18("5","10","2","1","4","9","1") = "9"
    & skf18("5","10","2","1","4","10","1") = "9"
    & skf18("5","10","2","1","5","1","1") = "9"
    & skf18("5","10","2","1","5","2","1") = "9"
    & skf18("5","10","2","1","5","3","1") = "9"
    & skf18("5","10","2","1","5","4","1") = "9"
    & skf18("5","10","2","1","5","5","1") = "9"
    & skf18("5","10","2","1","5","6","1") = "9"
    & skf18("5","10","2","1","5","7","1") = "9"
    & skf18("5","10","2","1","5","8","1") = "9"
    & skf18("5","10","2","1","5","9","1") = "9"
    & skf18("5","10","2","1","5","10","1") = "9"
    & skf18("5","10","2","1","6","1","1") = "9"
    & skf18("5","10","2","1","6","2","1") = "9"
    & skf18("5","10","2","1","6","3","1") = "9"
    & skf18("5","10","2","1","6","4","1") = "9"
    & skf18("5","10","2","1","6","5","1") = "9"
    & skf18("5","10","2","1","6","6","1") = "9"
    & skf18("5","10","2","1","6","7","1") = "9"
    & skf18("5","10","2","1","6","8","1") = "9"
    & skf18("5","10","2","1","6","9","1") = "9"
    & skf18("5","10","2","1","6","10","1") = "9"
    & skf18("5","10","2","1","7","1","1") = "9"
    & skf18("5","10","2","1","7","2","1") = "9"
    & skf18("5","10","2","1","7","3","1") = "9"
    & skf18("5","10","2","1","7","4","1") = "9"
    & skf18("5","10","2","1","7","5","1") = "9"
    & skf18("5","10","2","1","7","6","1") = "9"
    & skf18("5","10","2","1","7","7","1") = "9"
    & skf18("5","10","2","1","7","8","1") = "9"
    & skf18("5","10","2","1","7","9","1") = "9"
    & skf18("5","10","2","1","7","10","1") = "9"
    & skf18("5","10","2","1","8","1","1") = "9"
    & skf18("5","10","2","1","8","2","1") = "9"
    & skf18("5","10","2","1","8","3","1") = "9"
    & skf18("5","10","2","1","8","4","1") = "9"
    & skf18("5","10","2","1","8","5","1") = "9"
    & skf18("5","10","2","1","8","6","1") = "9"
    & skf18("5","10","2","1","8","7","1") = "9"
    & skf18("5","10","2","1","8","8","1") = "9"
    & skf18("5","10","2","1","8","9","1") = "9"
    & skf18("5","10","2","1","8","10","1") = "9"
    & skf18("5","10","2","1","9","1","1") = "9"
    & skf18("5","10","2","1","9","2","1") = "9"
    & skf18("5","10","2","1","9","3","1") = "9"
    & skf18("5","10","2","1","9","4","1") = "9"
    & skf18("5","10","2","1","9","5","1") = "9"
    & skf18("5","10","2","1","9","6","1") = "9"
    & skf18("5","10","2","1","9","7","1") = "9"
    & skf18("5","10","2","1","9","8","1") = "9"
    & skf18("5","10","2","1","9","9","1") = "9"
    & skf18("5","10","2","1","9","10","1") = "9"
    & skf18("5","10","2","1","10","1","1") = "9"
    & skf18("5","10","2","1","10","2","1") = "9"
    & skf18("5","10","2","1","10","3","1") = "9"
    & skf18("5","10","2","1","10","4","1") = "9"
    & skf18("5","10","2","1","10","5","1") = "9"
    & skf18("5","10","2","1","10","6","1") = "9"
    & skf18("5","10","2","1","10","7","1") = "9"
    & skf18("5","10","2","1","10","8","1") = "9"
    & skf18("5","10","2","1","10","9","1") = "9"
    & skf18("5","10","2","1","10","10","1") = "9"
    & skf18("5","10","2","2","1","1","1") = "9"
    & skf18("5","10","2","2","1","2","1") = "9"
    & skf18("5","10","2","2","1","3","1") = "9"
    & skf18("5","10","2","2","1","4","1") = "9"
    & skf18("5","10","2","2","1","5","1") = "9"
    & skf18("5","10","2","2","1","6","1") = "9"
    & skf18("5","10","2","2","1","7","1") = "9"
    & skf18("5","10","2","2","1","8","1") = "9"
    & skf18("5","10","2","2","1","9","1") = "9"
    & skf18("5","10","2","2","1","10","1") = "9"
    & skf18("5","10","2","2","2","1","1") = "9"
    & skf18("5","10","2","2","2","2","1") = "9"
    & skf18("5","10","2","2","2","3","1") = "9"
    & skf18("5","10","2","2","2","4","1") = "9"
    & skf18("5","10","2","2","2","5","1") = "9"
    & skf18("5","10","2","2","2","6","1") = "9"
    & skf18("5","10","2","2","2","7","1") = "9"
    & skf18("5","10","2","2","2","8","1") = "9"
    & skf18("5","10","2","2","2","9","1") = "9"
    & skf18("5","10","2","2","2","10","1") = "9"
    & skf18("5","10","2","2","3","1","1") = "9"
    & skf18("5","10","2","2","3","2","1") = "9"
    & skf18("5","10","2","2","3","3","1") = "9"
    & skf18("5","10","2","2","3","4","1") = "9"
    & skf18("5","10","2","2","3","5","1") = "9"
    & skf18("5","10","2","2","3","6","1") = "9"
    & skf18("5","10","2","2","3","7","1") = "9"
    & skf18("5","10","2","2","3","8","1") = "9"
    & skf18("5","10","2","2","3","9","1") = "9"
    & skf18("5","10","2","2","3","10","1") = "9"
    & skf18("5","10","2","2","4","1","1") = "9"
    & skf18("5","10","2","2","4","2","1") = "9"
    & skf18("5","10","2","2","4","3","1") = "9"
    & skf18("5","10","2","2","4","4","1") = "9"
    & skf18("5","10","2","2","4","5","1") = "9"
    & skf18("5","10","2","2","4","6","1") = "9"
    & skf18("5","10","2","2","4","7","1") = "9"
    & skf18("5","10","2","2","4","8","1") = "9"
    & skf18("5","10","2","2","4","9","1") = "9"
    & skf18("5","10","2","2","4","10","1") = "9"
    & skf18("5","10","2","2","5","1","1") = "9"
    & skf18("5","10","2","2","5","2","1") = "9"
    & skf18("5","10","2","2","5","3","1") = "9"
    & skf18("5","10","2","2","5","4","1") = "9"
    & skf18("5","10","2","2","5","5","1") = "9"
    & skf18("5","10","2","2","5","6","1") = "9"
    & skf18("5","10","2","2","5","7","1") = "9"
    & skf18("5","10","2","2","5","8","1") = "9"
    & skf18("5","10","2","2","5","9","1") = "9"
    & skf18("5","10","2","2","5","10","1") = "9"
    & skf18("5","10","2","2","6","1","1") = "9"
    & skf18("5","10","2","2","6","2","1") = "9"
    & skf18("5","10","2","2","6","3","1") = "9"
    & skf18("5","10","2","2","6","4","1") = "9"
    & skf18("5","10","2","2","6","5","1") = "9"
    & skf18("5","10","2","2","6","6","1") = "9"
    & skf18("5","10","2","2","6","7","1") = "9"
    & skf18("5","10","2","2","6","8","1") = "9"
    & skf18("5","10","2","2","6","9","1") = "9"
    & skf18("5","10","2","2","6","10","1") = "9"
    & skf18("5","10","2","2","7","1","1") = "9"
    & skf18("5","10","2","2","7","2","1") = "9"
    & skf18("5","10","2","2","7","3","1") = "9"
    & skf18("5","10","2","2","7","4","1") = "9"
    & skf18("5","10","2","2","7","5","1") = "9"
    & skf18("5","10","2","2","7","6","1") = "9"
    & skf18("5","10","2","2","7","7","1") = "9"
    & skf18("5","10","2","2","7","8","1") = "9"
    & skf18("5","10","2","2","7","9","1") = "9"
    & skf18("5","10","2","2","7","10","1") = "9"
    & skf18("5","10","2","2","8","1","1") = "9"
    & skf18("5","10","2","2","8","2","1") = "9"
    & skf18("5","10","2","2","8","3","1") = "9"
    & skf18("5","10","2","2","8","4","1") = "9"
    & skf18("5","10","2","2","8","5","1") = "9"
    & skf18("5","10","2","2","8","6","1") = "9"
    & skf18("5","10","2","2","8","7","1") = "9"
    & skf18("5","10","2","2","8","8","1") = "9"
    & skf18("5","10","2","2","8","9","1") = "9"
    & skf18("5","10","2","2","8","10","1") = "9"
    & skf18("5","10","2","2","9","1","1") = "9"
    & skf18("5","10","2","2","9","2","1") = "9"
    & skf18("5","10","2","2","9","3","1") = "9"
    & skf18("5","10","2","2","9","4","1") = "9"
    & skf18("5","10","2","2","9","5","1") = "9"
    & skf18("5","10","2","2","9","6","1") = "9"
    & skf18("5","10","2","2","9","7","1") = "9"
    & skf18("5","10","2","2","9","8","1") = "9"
    & skf18("5","10","2","2","9","9","1") = "9"
    & skf18("5","10","2","2","9","10","1") = "9"
    & skf18("5","10","2","2","10","1","1") = "9"
    & skf18("5","10","2","2","10","2","1") = "9"
    & skf18("5","10","2","2","10","3","1") = "9"
    & skf18("5","10","2","2","10","4","1") = "9"
    & skf18("5","10","2","2","10","5","1") = "9"
    & skf18("5","10","2","2","10","6","1") = "9"
    & skf18("5","10","2","2","10","7","1") = "9"
    & skf18("5","10","2","2","10","8","1") = "9"
    & skf18("5","10","2","2","10","9","1") = "9"
    & skf18("5","10","2","2","10","10","1") = "9"
    & skf18("5","10","2","3","1","1","1") = "9"
    & skf18("5","10","2","3","1","2","1") = "9"
    & skf18("5","10","2","3","1","3","1") = "9"
    & skf18("5","10","2","3","1","4","1") = "9"
    & skf18("5","10","2","3","1","5","1") = "9"
    & skf18("5","10","2","3","1","6","1") = "9"
    & skf18("5","10","2","3","1","7","1") = "9"
    & skf18("5","10","2","3","1","8","1") = "9"
    & skf18("5","10","2","3","1","9","1") = "9"
    & skf18("5","10","2","3","1","10","1") = "9"
    & skf18("5","10","2","3","2","1","1") = "9"
    & skf18("5","10","2","3","2","2","1") = "9"
    & skf18("5","10","2","3","2","3","1") = "9"
    & skf18("5","10","2","3","2","4","1") = "9"
    & skf18("5","10","2","3","2","5","1") = "9"
    & skf18("5","10","2","3","2","6","1") = "9"
    & skf18("5","10","2","3","2","7","1") = "9"
    & skf18("5","10","2","3","2","8","1") = "9"
    & skf18("5","10","2","3","2","9","1") = "9"
    & skf18("5","10","2","3","2","10","1") = "9"
    & skf18("5","10","2","3","3","1","1") = "9"
    & skf18("5","10","2","3","3","2","1") = "9"
    & skf18("5","10","2","3","3","3","1") = "9"
    & skf18("5","10","2","3","3","4","1") = "9"
    & skf18("5","10","2","3","3","5","1") = "9"
    & skf18("5","10","2","3","3","6","1") = "9"
    & skf18("5","10","2","3","3","7","1") = "9"
    & skf18("5","10","2","3","3","8","1") = "9"
    & skf18("5","10","2","3","3","9","1") = "9"
    & skf18("5","10","2","3","3","10","1") = "9"
    & skf18("5","10","2","3","4","1","1") = "9"
    & skf18("5","10","2","3","4","2","1") = "9"
    & skf18("5","10","2","3","4","3","1") = "9"
    & skf18("5","10","2","3","4","4","1") = "9"
    & skf18("5","10","2","3","4","5","1") = "9"
    & skf18("5","10","2","3","4","6","1") = "9"
    & skf18("5","10","2","3","4","7","1") = "9"
    & skf18("5","10","2","3","4","8","1") = "9"
    & skf18("5","10","2","3","4","9","1") = "9"
    & skf18("5","10","2","3","4","10","1") = "9"
    & skf18("5","10","2","3","5","1","1") = "9"
    & skf18("5","10","2","3","5","2","1") = "9"
    & skf18("5","10","2","3","5","3","1") = "9"
    & skf18("5","10","2","3","5","4","1") = "9"
    & skf18("5","10","2","3","5","5","1") = "9"
    & skf18("5","10","2","3","5","6","1") = "9"
    & skf18("5","10","2","3","5","7","1") = "9"
    & skf18("5","10","2","3","5","8","1") = "9"
    & skf18("5","10","2","3","5","9","1") = "9"
    & skf18("5","10","2","3","5","10","1") = "9"
    & skf18("5","10","2","3","6","1","1") = "9"
    & skf18("5","10","2","3","6","2","1") = "9"
    & skf18("5","10","2","3","6","3","1") = "9"
    & skf18("5","10","2","3","6","4","1") = "9"
    & skf18("5","10","2","3","6","5","1") = "9"
    & skf18("5","10","2","3","6","6","1") = "9"
    & skf18("5","10","2","3","6","7","1") = "9"
    & skf18("5","10","2","3","6","8","1") = "9"
    & skf18("5","10","2","3","6","9","1") = "9"
    & skf18("5","10","2","3","6","10","1") = "9"
    & skf18("5","10","2","3","7","1","1") = "9"
    & skf18("5","10","2","3","7","2","1") = "9"
    & skf18("5","10","2","3","7","3","1") = "9"
    & skf18("5","10","2","3","7","4","1") = "9"
    & skf18("5","10","2","3","7","5","1") = "9"
    & skf18("5","10","2","3","7","6","1") = "9"
    & skf18("5","10","2","3","7","7","1") = "9"
    & skf18("5","10","2","3","7","8","1") = "9"
    & skf18("5","10","2","3","7","9","1") = "9"
    & skf18("5","10","2","3","7","10","1") = "9"
    & skf18("5","10","2","3","8","1","1") = "9"
    & skf18("5","10","2","3","8","2","1") = "9"
    & skf18("5","10","2","3","8","3","1") = "9"
    & skf18("5","10","2","3","8","4","1") = "9"
    & skf18("5","10","2","3","8","5","1") = "9"
    & skf18("5","10","2","3","8","6","1") = "9"
    & skf18("5","10","2","3","8","7","1") = "9"
    & skf18("5","10","2","3","8","8","1") = "9"
    & skf18("5","10","2","3","8","9","1") = "9"
    & skf18("5","10","2","3","8","10","1") = "9"
    & skf18("5","10","2","3","9","1","1") = "9"
    & skf18("5","10","2","3","9","2","1") = "9"
    & skf18("5","10","2","3","9","3","1") = "9"
    & skf18("5","10","2","3","9","4","1") = "9"
    & skf18("5","10","2","3","9","5","1") = "9"
    & skf18("5","10","2","3","9","6","1") = "9"
    & skf18("5","10","2","3","9","7","1") = "9"
    & skf18("5","10","2","3","9","8","1") = "9"
    & skf18("5","10","2","3","9","9","1") = "9"
    & skf18("5","10","2","3","9","10","1") = "9"
    & skf18("5","10","2","3","10","1","1") = "9"
    & skf18("5","10","2","3","10","2","1") = "9"
    & skf18("5","10","2","3","10","3","1") = "9"
    & skf18("5","10","2","3","10","4","1") = "9"
    & skf18("5","10","2","3","10","5","1") = "9"
    & skf18("5","10","2","3","10","6","1") = "9"
    & skf18("5","10","2","3","10","7","1") = "9"
    & skf18("5","10","2","3","10","8","1") = "9"
    & skf18("5","10","2","3","10","9","1") = "9"
    & skf18("5","10","2","3","10","10","1") = "9"
    & skf18("5","10","2","4","1","1","1") = "9"
    & skf18("5","10","2","4","1","2","1") = "9"
    & skf18("5","10","2","4","1","3","1") = "9"
    & skf18("5","10","2","4","1","4","1") = "9"
    & skf18("5","10","2","4","1","5","1") = "9"
    & skf18("5","10","2","4","1","6","1") = "9"
    & skf18("5","10","2","4","1","7","1") = "9"
    & skf18("5","10","2","4","1","8","1") = "9"
    & skf18("5","10","2","4","1","9","1") = "9"
    & skf18("5","10","2","4","1","10","1") = "9"
    & skf18("5","10","2","4","2","1","1") = "9"
    & skf18("5","10","2","4","2","2","1") = "9"
    & skf18("5","10","2","4","2","3","1") = "9"
    & skf18("5","10","2","4","2","4","1") = "9"
    & skf18("5","10","2","4","2","5","1") = "9"
    & skf18("5","10","2","4","2","6","1") = "9"
    & skf18("5","10","2","4","2","7","1") = "9"
    & skf18("5","10","2","4","2","8","1") = "9"
    & skf18("5","10","2","4","2","9","1") = "9"
    & skf18("5","10","2","4","2","10","1") = "9"
    & skf18("5","10","2","4","3","1","1") = "9"
    & skf18("5","10","2","4","3","2","1") = "9"
    & skf18("5","10","2","4","3","3","1") = "9"
    & skf18("5","10","2","4","3","4","1") = "9"
    & skf18("5","10","2","4","3","5","1") = "9"
    & skf18("5","10","2","4","3","6","1") = "9"
    & skf18("5","10","2","4","3","7","1") = "9"
    & skf18("5","10","2","4","3","8","1") = "9"
    & skf18("5","10","2","4","3","9","1") = "9"
    & skf18("5","10","2","4","3","10","1") = "9"
    & skf18("5","10","2","4","4","1","1") = "9"
    & skf18("5","10","2","4","4","2","1") = "9"
    & skf18("5","10","2","4","4","3","1") = "9"
    & skf18("5","10","2","4","4","4","1") = "9"
    & skf18("5","10","2","4","4","5","1") = "9"
    & skf18("5","10","2","4","4","6","1") = "9"
    & skf18("5","10","2","4","4","7","1") = "9"
    & skf18("5","10","2","4","4","8","1") = "9"
    & skf18("5","10","2","4","4","9","1") = "9"
    & skf18("5","10","2","4","4","10","1") = "9"
    & skf18("5","10","2","4","5","1","1") = "9"
    & skf18("5","10","2","4","5","2","1") = "9"
    & skf18("5","10","2","4","5","3","1") = "9"
    & skf18("5","10","2","4","5","4","1") = "9"
    & skf18("5","10","2","4","5","5","1") = "9"
    & skf18("5","10","2","4","5","6","1") = "9"
    & skf18("5","10","2","4","5","7","1") = "9"
    & skf18("5","10","2","4","5","8","1") = "9"
    & skf18("5","10","2","4","5","9","1") = "9"
    & skf18("5","10","2","4","5","10","1") = "9"
    & skf18("5","10","2","4","6","1","1") = "9"
    & skf18("5","10","2","4","6","2","1") = "9"
    & skf18("5","10","2","4","6","3","1") = "9"
    & skf18("5","10","2","4","6","4","1") = "9"
    & skf18("5","10","2","4","6","5","1") = "9"
    & skf18("5","10","2","4","6","6","1") = "9"
    & skf18("5","10","2","4","6","7","1") = "9"
    & skf18("5","10","2","4","6","8","1") = "9"
    & skf18("5","10","2","4","6","9","1") = "9"
    & skf18("5","10","2","4","6","10","1") = "9"
    & skf18("5","10","2","4","7","1","1") = "9"
    & skf18("5","10","2","4","7","2","1") = "9"
    & skf18("5","10","2","4","7","3","1") = "9"
    & skf18("5","10","2","4","7","4","1") = "9"
    & skf18("5","10","2","4","7","5","1") = "9"
    & skf18("5","10","2","4","7","6","1") = "9"
    & skf18("5","10","2","4","7","7","1") = "9"
    & skf18("5","10","2","4","7","8","1") = "9"
    & skf18("5","10","2","4","7","9","1") = "9"
    & skf18("5","10","2","4","7","10","1") = "9"
    & skf18("5","10","2","4","8","1","1") = "9"
    & skf18("5","10","2","4","8","2","1") = "9"
    & skf18("5","10","2","4","8","3","1") = "9"
    & skf18("5","10","2","4","8","4","1") = "9"
    & skf18("5","10","2","4","8","5","1") = "9"
    & skf18("5","10","2","4","8","6","1") = "9"
    & skf18("5","10","2","4","8","7","1") = "9"
    & skf18("5","10","2","4","8","8","1") = "9"
    & skf18("5","10","2","4","8","9","1") = "9"
    & skf18("5","10","2","4","8","10","1") = "9"
    & skf18("5","10","2","4","9","1","1") = "9"
    & skf18("5","10","2","4","9","2","1") = "9"
    & skf18("5","10","2","4","9","3","1") = "9"
    & skf18("5","10","2","4","9","4","1") = "9"
    & skf18("5","10","2","4","9","5","1") = "9"
    & skf18("5","10","2","4","9","6","1") = "9"
    & skf18("5","10","2","4","9","7","1") = "9"
    & skf18("5","10","2","4","9","8","1") = "9"
    & skf18("5","10","2","4","9","9","1") = "9"
    & skf18("5","10","2","4","9","10","1") = "9"
    & skf18("5","10","2","4","10","1","1") = "9"
    & skf18("5","10","2","4","10","2","1") = "9"
    & skf18("5","10","2","4","10","3","1") = "9"
    & skf18("5","10","2","4","10","4","1") = "9"
    & skf18("5","10","2","4","10","5","1") = "9"
    & skf18("5","10","2","4","10","6","1") = "9"
    & skf18("5","10","2","4","10","7","1") = "9"
    & skf18("5","10","2","4","10","8","1") = "9"
    & skf18("5","10","2","4","10","9","1") = "9"
    & skf18("5","10","2","4","10","10","1") = "9"
    & skf18("5","10","2","5","1","1","1") = "9"
    & skf18("5","10","2","5","1","2","1") = "9"
    & skf18("5","10","2","5","1","3","1") = "9"
    & skf18("5","10","2","5","1","4","1") = "9"
    & skf18("5","10","2","5","1","5","1") = "9"
    & skf18("5","10","2","5","1","6","1") = "9"
    & skf18("5","10","2","5","1","7","1") = "9"
    & skf18("5","10","2","5","1","8","1") = "9"
    & skf18("5","10","2","5","1","9","1") = "9"
    & skf18("5","10","2","5","1","10","1") = "9"
    & skf18("5","10","2","5","2","1","1") = "9"
    & skf18("5","10","2","5","2","2","1") = "9"
    & skf18("5","10","2","5","2","3","1") = "9"
    & skf18("5","10","2","5","2","4","1") = "9"
    & skf18("5","10","2","5","2","5","1") = "9"
    & skf18("5","10","2","5","2","6","1") = "9"
    & skf18("5","10","2","5","2","7","1") = "9"
    & skf18("5","10","2","5","2","8","1") = "9"
    & skf18("5","10","2","5","2","9","1") = "9"
    & skf18("5","10","2","5","2","10","1") = "9"
    & skf18("5","10","2","5","3","1","1") = "9"
    & skf18("5","10","2","5","3","2","1") = "9"
    & skf18("5","10","2","5","3","3","1") = "9"
    & skf18("5","10","2","5","3","4","1") = "9"
    & skf18("5","10","2","5","3","5","1") = "9"
    & skf18("5","10","2","5","3","6","1") = "9"
    & skf18("5","10","2","5","3","7","1") = "9"
    & skf18("5","10","2","5","3","8","1") = "9"
    & skf18("5","10","2","5","3","9","1") = "9"
    & skf18("5","10","2","5","3","10","1") = "9"
    & skf18("5","10","2","5","4","1","1") = "9"
    & skf18("5","10","2","5","4","2","1") = "9"
    & skf18("5","10","2","5","4","3","1") = "9"
    & skf18("5","10","2","5","4","4","1") = "9"
    & skf18("5","10","2","5","4","5","1") = "9"
    & skf18("5","10","2","5","4","6","1") = "9"
    & skf18("5","10","2","5","4","7","1") = "9"
    & skf18("5","10","2","5","4","8","1") = "9"
    & skf18("5","10","2","5","4","9","1") = "9"
    & skf18("5","10","2","5","4","10","1") = "9"
    & skf18("5","10","2","5","5","1","1") = "9"
    & skf18("5","10","2","5","5","2","1") = "9"
    & skf18("5","10","2","5","5","3","1") = "9"
    & skf18("5","10","2","5","5","4","1") = "9"
    & skf18("5","10","2","5","5","5","1") = "9"
    & skf18("5","10","2","5","5","6","1") = "9"
    & skf18("5","10","2","5","5","7","1") = "9"
    & skf18("5","10","2","5","5","8","1") = "9"
    & skf18("5","10","2","5","5","9","1") = "9"
    & skf18("5","10","2","5","5","10","1") = "9"
    & skf18("5","10","2","5","6","1","1") = "9"
    & skf18("5","10","2","5","6","2","1") = "9"
    & skf18("5","10","2","5","6","3","1") = "9"
    & skf18("5","10","2","5","6","4","1") = "9"
    & skf18("5","10","2","5","6","5","1") = "9"
    & skf18("5","10","2","5","6","6","1") = "9"
    & skf18("5","10","2","5","6","7","1") = "9"
    & skf18("5","10","2","5","6","8","1") = "9"
    & skf18("5","10","2","5","6","9","1") = "9"
    & skf18("5","10","2","5","6","10","1") = "9"
    & skf18("5","10","2","5","7","1","1") = "9"
    & skf18("5","10","2","5","7","2","1") = "9"
    & skf18("5","10","2","5","7","3","1") = "9"
    & skf18("5","10","2","5","7","4","1") = "9"
    & skf18("5","10","2","5","7","5","1") = "9"
    & skf18("5","10","2","5","7","6","1") = "9"
    & skf18("5","10","2","5","7","7","1") = "9"
    & skf18("5","10","2","5","7","8","1") = "9"
    & skf18("5","10","2","5","7","9","1") = "9"
    & skf18("5","10","2","5","7","10","1") = "9"
    & skf18("5","10","2","5","8","1","1") = "9"
    & skf18("5","10","2","5","8","2","1") = "9"
    & skf18("5","10","2","5","8","3","1") = "9"
    & skf18("5","10","2","5","8","4","1") = "9"
    & skf18("5","10","2","5","8","5","1") = "9"
    & skf18("5","10","2","5","8","6","1") = "9"
    & skf18("5","10","2","5","8","7","1") = "9"
    & skf18("5","10","2","5","8","8","1") = "9"
    & skf18("5","10","2","5","8","9","1") = "9"
    & skf18("5","10","2","5","8","10","1") = "9"
    & skf18("5","10","2","5","9","1","1") = "9"
    & skf18("5","10","2","5","9","2","1") = "9"
    & skf18("5","10","2","5","9","3","1") = "9"
    & skf18("5","10","2","5","9","4","1") = "9"
    & skf18("5","10","2","5","9","5","1") = "9"
    & skf18("5","10","2","5","9","6","1") = "9"
    & skf18("5","10","2","5","9","7","1") = "9"
    & skf18("5","10","2","5","9","8","1") = "9"
    & skf18("5","10","2","5","9","9","1") = "9"
    & skf18("5","10","2","5","9","10","1") = "9"
    & skf18("5","10","2","5","10","1","1") = "9"
    & skf18("5","10","2","5","10","2","1") = "9"
    & skf18("5","10","2","5","10","3","1") = "9"
    & skf18("5","10","2","5","10","4","1") = "9"
    & skf18("5","10","2","5","10","5","1") = "9"
    & skf18("5","10","2","5","10","6","1") = "9"
    & skf18("5","10","2","5","10","7","1") = "9"
    & skf18("5","10","2","5","10","8","1") = "9"
    & skf18("5","10","2","5","10","9","1") = "9"
    & skf18("5","10","2","5","10","10","1") = "9"
    & skf18("5","10","2","6","1","1","1") = "9"
    & skf18("5","10","2","6","1","2","1") = "9"
    & skf18("5","10","2","6","1","3","1") = "9"
    & skf18("5","10","2","6","1","4","1") = "9"
    & skf18("5","10","2","6","1","5","1") = "9"
    & skf18("5","10","2","6","1","6","1") = "9"
    & skf18("5","10","2","6","1","7","1") = "9"
    & skf18("5","10","2","6","1","8","1") = "9"
    & skf18("5","10","2","6","1","9","1") = "9"
    & skf18("5","10","2","6","1","10","1") = "9"
    & skf18("5","10","2","6","2","1","1") = "9"
    & skf18("5","10","2","6","2","2","1") = "9"
    & skf18("5","10","2","6","2","3","1") = "9"
    & skf18("5","10","2","6","2","4","1") = "9"
    & skf18("5","10","2","6","2","5","1") = "9"
    & skf18("5","10","2","6","2","6","1") = "9"
    & skf18("5","10","2","6","2","7","1") = "9"
    & skf18("5","10","2","6","2","8","1") = "9"
    & skf18("5","10","2","6","2","9","1") = "9"
    & skf18("5","10","2","6","2","10","1") = "9"
    & skf18("5","10","2","6","3","1","1") = "9"
    & skf18("5","10","2","6","3","2","1") = "9"
    & skf18("5","10","2","6","3","3","1") = "9"
    & skf18("5","10","2","6","3","4","1") = "9"
    & skf18("5","10","2","6","3","5","1") = "9"
    & skf18("5","10","2","6","3","6","1") = "9"
    & skf18("5","10","2","6","3","7","1") = "9"
    & skf18("5","10","2","6","3","8","1") = "9"
    & skf18("5","10","2","6","3","9","1") = "9"
    & skf18("5","10","2","6","3","10","1") = "9"
    & skf18("5","10","2","6","4","1","1") = "9"
    & skf18("5","10","2","6","4","2","1") = "9"
    & skf18("5","10","2","6","4","3","1") = "9"
    & skf18("5","10","2","6","4","4","1") = "9"
    & skf18("5","10","2","6","4","5","1") = "9"
    & skf18("5","10","2","6","4","6","1") = "9"
    & skf18("5","10","2","6","4","7","1") = "9"
    & skf18("5","10","2","6","4","8","1") = "9"
    & skf18("5","10","2","6","4","9","1") = "9"
    & skf18("5","10","2","6","4","10","1") = "9"
    & skf18("5","10","2","6","5","1","1") = "9"
    & skf18("5","10","2","6","5","2","1") = "9"
    & skf18("5","10","2","6","5","3","1") = "9"
    & skf18("5","10","2","6","5","4","1") = "9"
    & skf18("5","10","2","6","5","5","1") = "9"
    & skf18("5","10","2","6","5","6","1") = "9"
    & skf18("5","10","2","6","5","7","1") = "9"
    & skf18("5","10","2","6","5","8","1") = "9"
    & skf18("5","10","2","6","5","9","1") = "9"
    & skf18("5","10","2","6","5","10","1") = "9"
    & skf18("5","10","2","6","6","1","1") = "9"
    & skf18("5","10","2","6","6","2","1") = "9"
    & skf18("5","10","2","6","6","3","1") = "9"
    & skf18("5","10","2","6","6","4","1") = "9"
    & skf18("5","10","2","6","6","5","1") = "9"
    & skf18("5","10","2","6","6","6","1") = "9"
    & skf18("5","10","2","6","6","7","1") = "9"
    & skf18("5","10","2","6","6","8","1") = "9"
    & skf18("5","10","2","6","6","9","1") = "9"
    & skf18("5","10","2","6","6","10","1") = "9"
    & skf18("5","10","2","6","7","1","1") = "9"
    & skf18("5","10","2","6","7","2","1") = "9"
    & skf18("5","10","2","6","7","3","1") = "9"
    & skf18("5","10","2","6","7","4","1") = "9"
    & skf18("5","10","2","6","7","5","1") = "9"
    & skf18("5","10","2","6","7","6","1") = "9"
    & skf18("5","10","2","6","7","7","1") = "9"
    & skf18("5","10","2","6","7","8","1") = "9"
    & skf18("5","10","2","6","7","9","1") = "9"
    & skf18("5","10","2","6","7","10","1") = "9"
    & skf18("5","10","2","6","8","1","1") = "9"
    & skf18("5","10","2","6","8","2","1") = "9"
    & skf18("5","10","2","6","8","3","1") = "9"
    & skf18("5","10","2","6","8","4","1") = "9"
    & skf18("5","10","2","6","8","5","1") = "9"
    & skf18("5","10","2","6","8","6","1") = "9"
    & skf18("5","10","2","6","8","7","1") = "9"
    & skf18("5","10","2","6","8","8","1") = "9"
    & skf18("5","10","2","6","8","9","1") = "9"
    & skf18("5","10","2","6","8","10","1") = "9"
    & skf18("5","10","2","6","9","1","1") = "9"
    & skf18("5","10","2","6","9","2","1") = "9"
    & skf18("5","10","2","6","9","3","1") = "9"
    & skf18("5","10","2","6","9","4","1") = "9"
    & skf18("5","10","2","6","9","5","1") = "9"
    & skf18("5","10","2","6","9","6","1") = "9"
    & skf18("5","10","2","6","9","7","1") = "9"
    & skf18("5","10","2","6","9","8","1") = "9"
    & skf18("5","10","2","6","9","9","1") = "9"
    & skf18("5","10","2","6","9","10","1") = "9"
    & skf18("5","10","2","6","10","1","1") = "9"
    & skf18("5","10","2","6","10","2","1") = "9"
    & skf18("5","10","2","6","10","3","1") = "9"
    & skf18("5","10","2","6","10","4","1") = "9"
    & skf18("5","10","2","6","10","5","1") = "9"
    & skf18("5","10","2","6","10","6","1") = "9"
    & skf18("5","10","2","6","10","7","1") = "9"
    & skf18("5","10","2","6","10","8","1") = "9"
    & skf18("5","10","2","6","10","9","1") = "9"
    & skf18("5","10","2","6","10","10","1") = "9"
    & skf18("5","10","2","7","1","1","1") = "9"
    & skf18("5","10","2","7","1","2","1") = "9"
    & skf18("5","10","2","7","1","3","1") = "9"
    & skf18("5","10","2","7","1","4","1") = "9"
    & skf18("5","10","2","7","1","5","1") = "9"
    & skf18("5","10","2","7","1","6","1") = "9"
    & skf18("5","10","2","7","1","7","1") = "9"
    & skf18("5","10","2","7","1","8","1") = "9"
    & skf18("5","10","2","7","1","9","1") = "9"
    & skf18("5","10","2","7","1","10","1") = "9"
    & skf18("5","10","2","7","2","1","1") = "9"
    & skf18("5","10","2","7","2","2","1") = "9"
    & skf18("5","10","2","7","2","3","1") = "9"
    & skf18("5","10","2","7","2","4","1") = "9"
    & skf18("5","10","2","7","2","5","1") = "9"
    & skf18("5","10","2","7","2","6","1") = "9"
    & skf18("5","10","2","7","2","7","1") = "9"
    & skf18("5","10","2","7","2","8","1") = "9"
    & skf18("5","10","2","7","2","9","1") = "9"
    & skf18("5","10","2","7","2","10","1") = "9"
    & skf18("5","10","2","7","3","1","1") = "9"
    & skf18("5","10","2","7","3","2","1") = "9"
    & skf18("5","10","2","7","3","3","1") = "9"
    & skf18("5","10","2","7","3","4","1") = "9"
    & skf18("5","10","2","7","3","5","1") = "9"
    & skf18("5","10","2","7","3","6","1") = "9"
    & skf18("5","10","2","7","3","7","1") = "9"
    & skf18("5","10","2","7","3","8","1") = "9"
    & skf18("5","10","2","7","3","9","1") = "9"
    & skf18("5","10","2","7","3","10","1") = "9"
    & skf18("5","10","2","7","4","1","1") = "9"
    & skf18("5","10","2","7","4","2","1") = "9"
    & skf18("5","10","2","7","4","3","1") = "9"
    & skf18("5","10","2","7","4","4","1") = "9"
    & skf18("5","10","2","7","4","5","1") = "9"
    & skf18("5","10","2","7","4","6","1") = "9"
    & skf18("5","10","2","7","4","7","1") = "9"
    & skf18("5","10","2","7","4","8","1") = "9"
    & skf18("5","10","2","7","4","9","1") = "9"
    & skf18("5","10","2","7","4","10","1") = "9"
    & skf18("5","10","2","7","5","1","1") = "9"
    & skf18("5","10","2","7","5","2","1") = "9"
    & skf18("5","10","2","7","5","3","1") = "9"
    & skf18("5","10","2","7","5","4","1") = "9"
    & skf18("5","10","2","7","5","5","1") = "9"
    & skf18("5","10","2","7","5","6","1") = "9"
    & skf18("5","10","2","7","5","7","1") = "9"
    & skf18("5","10","2","7","5","8","1") = "9"
    & skf18("5","10","2","7","5","9","1") = "9"
    & skf18("5","10","2","7","5","10","1") = "9"
    & skf18("5","10","2","7","6","1","1") = "9"
    & skf18("5","10","2","7","6","2","1") = "9"
    & skf18("5","10","2","7","6","3","1") = "9"
    & skf18("5","10","2","7","6","4","1") = "9"
    & skf18("5","10","2","7","6","5","1") = "9"
    & skf18("5","10","2","7","6","6","1") = "9"
    & skf18("5","10","2","7","6","7","1") = "9"
    & skf18("5","10","2","7","6","8","1") = "9"
    & skf18("5","10","2","7","6","9","1") = "9"
    & skf18("5","10","2","7","6","10","1") = "9"
    & skf18("5","10","2","7","7","1","1") = "9"
    & skf18("5","10","2","7","7","2","1") = "9"
    & skf18("5","10","2","7","7","3","1") = "9"
    & skf18("5","10","2","7","7","4","1") = "9"
    & skf18("5","10","2","7","7","5","1") = "9"
    & skf18("5","10","2","7","7","6","1") = "9"
    & skf18("5","10","2","7","7","7","1") = "9"
    & skf18("5","10","2","7","7","8","1") = "9"
    & skf18("5","10","2","7","7","9","1") = "9"
    & skf18("5","10","2","7","7","10","1") = "9"
    & skf18("5","10","2","7","8","1","1") = "9"
    & skf18("5","10","2","7","8","2","1") = "9"
    & skf18("5","10","2","7","8","3","1") = "9"
    & skf18("5","10","2","7","8","4","1") = "9"
    & skf18("5","10","2","7","8","5","1") = "9"
    & skf18("5","10","2","7","8","6","1") = "9"
    & skf18("5","10","2","7","8","7","1") = "9"
    & skf18("5","10","2","7","8","8","1") = "9"
    & skf18("5","10","2","7","8","9","1") = "9"
    & skf18("5","10","2","7","8","10","1") = "9"
    & skf18("5","10","2","7","9","1","1") = "9"
    & skf18("5","10","2","7","9","2","1") = "9"
    & skf18("5","10","2","7","9","3","1") = "9"
    & skf18("5","10","2","7","9","4","1") = "9"
    & skf18("5","10","2","7","9","5","1") = "9"
    & skf18("5","10","2","7","9","6","1") = "9"
    & skf18("5","10","2","7","9","7","1") = "9"
    & skf18("5","10","2","7","9","8","1") = "9"
    & skf18("5","10","2","7","9","9","1") = "9"
    & skf18("5","10","2","7","9","10","1") = "9"
    & skf18("5","10","2","7","10","1","1") = "9"
    & skf18("5","10","2","7","10","2","1") = "9"
    & skf18("5","10","2","7","10","3","1") = "9"
    & skf18("5","10","2","7","10","4","1") = "9"
    & skf18("5","10","2","7","10","5","1") = "9"
    & skf18("5","10","2","7","10","6","1") = "9"
    & skf18("5","10","2","7","10","7","1") = "9"
    & skf18("5","10","2","7","10","8","1") = "9"
    & skf18("5","10","2","7","10","9","1") = "9"
    & skf18("5","10","2","7","10","10","1") = "9"
    & skf18("5","10","2","8","1","1","1") = "9"
    & skf18("5","10","2","8","1","2","1") = "9"
    & skf18("5","10","2","8","1","3","1") = "9"
    & skf18("5","10","2","8","1","4","1") = "9"
    & skf18("5","10","2","8","1","5","1") = "9"
    & skf18("5","10","2","8","1","6","1") = "9"
    & skf18("5","10","2","8","1","7","1") = "9"
    & skf18("5","10","2","8","1","8","1") = "9"
    & skf18("5","10","2","8","1","9","1") = "9"
    & skf18("5","10","2","8","1","10","1") = "9"
    & skf18("5","10","2","8","2","1","1") = "9"
    & skf18("5","10","2","8","2","2","1") = "9"
    & skf18("5","10","2","8","2","3","1") = "9"
    & skf18("5","10","2","8","2","4","1") = "9"
    & skf18("5","10","2","8","2","5","1") = "9"
    & skf18("5","10","2","8","2","6","1") = "9"
    & skf18("5","10","2","8","2","7","1") = "9"
    & skf18("5","10","2","8","2","8","1") = "9"
    & skf18("5","10","2","8","2","9","1") = "9"
    & skf18("5","10","2","8","2","10","1") = "9"
    & skf18("5","10","2","8","3","1","1") = "9"
    & skf18("5","10","2","8","3","2","1") = "9"
    & skf18("5","10","2","8","3","3","1") = "9"
    & skf18("5","10","2","8","3","4","1") = "9"
    & skf18("5","10","2","8","3","5","1") = "9"
    & skf18("5","10","2","8","3","6","1") = "9"
    & skf18("5","10","2","8","3","7","1") = "9"
    & skf18("5","10","2","8","3","8","1") = "9"
    & skf18("5","10","2","8","3","9","1") = "9"
    & skf18("5","10","2","8","3","10","1") = "9"
    & skf18("5","10","2","8","4","1","1") = "9"
    & skf18("5","10","2","8","4","2","1") = "9"
    & skf18("5","10","2","8","4","3","1") = "9"
    & skf18("5","10","2","8","4","4","1") = "9"
    & skf18("5","10","2","8","4","5","1") = "9"
    & skf18("5","10","2","8","4","6","1") = "9"
    & skf18("5","10","2","8","4","7","1") = "9"
    & skf18("5","10","2","8","4","8","1") = "9"
    & skf18("5","10","2","8","4","9","1") = "9"
    & skf18("5","10","2","8","4","10","1") = "9"
    & skf18("5","10","2","8","5","1","1") = "9"
    & skf18("5","10","2","8","5","2","1") = "9"
    & skf18("5","10","2","8","5","3","1") = "9"
    & skf18("5","10","2","8","5","4","1") = "9"
    & skf18("5","10","2","8","5","5","1") = "9"
    & skf18("5","10","2","8","5","6","1") = "9"
    & skf18("5","10","2","8","5","7","1") = "9"
    & skf18("5","10","2","8","5","8","1") = "9"
    & skf18("5","10","2","8","5","9","1") = "9"
    & skf18("5","10","2","8","5","10","1") = "9"
    & skf18("5","10","2","8","6","1","1") = "9"
    & skf18("5","10","2","8","6","2","1") = "9"
    & skf18("5","10","2","8","6","3","1") = "9"
    & skf18("5","10","2","8","6","4","1") = "9"
    & skf18("5","10","2","8","6","5","1") = "9"
    & skf18("5","10","2","8","6","6","1") = "9"
    & skf18("5","10","2","8","6","7","1") = "9"
    & skf18("5","10","2","8","6","8","1") = "9"
    & skf18("5","10","2","8","6","9","1") = "9"
    & skf18("5","10","2","8","6","10","1") = "9"
    & skf18("5","10","2","8","7","1","1") = "9"
    & skf18("5","10","2","8","7","2","1") = "9"
    & skf18("5","10","2","8","7","3","1") = "9"
    & skf18("5","10","2","8","7","4","1") = "9"
    & skf18("5","10","2","8","7","5","1") = "9"
    & skf18("5","10","2","8","7","6","1") = "9"
    & skf18("5","10","2","8","7","7","1") = "9"
    & skf18("5","10","2","8","7","8","1") = "9"
    & skf18("5","10","2","8","7","9","1") = "9"
    & skf18("5","10","2","8","7","10","1") = "9"
    & skf18("5","10","2","8","8","1","1") = "9"
    & skf18("5","10","2","8","8","2","1") = "9"
    & skf18("5","10","2","8","8","3","1") = "9"
    & skf18("5","10","2","8","8","4","1") = "9"
    & skf18("5","10","2","8","8","5","1") = "9"
    & skf18("5","10","2","8","8","6","1") = "9"
    & skf18("5","10","2","8","8","7","1") = "9"
    & skf18("5","10","2","8","8","8","1") = "9"
    & skf18("5","10","2","8","8","9","1") = "9"
    & skf18("5","10","2","8","8","10","1") = "9"
    & skf18("5","10","2","8","9","1","1") = "9"
    & skf18("5","10","2","8","9","2","1") = "9"
    & skf18("5","10","2","8","9","3","1") = "9"
    & skf18("5","10","2","8","9","4","1") = "9"
    & skf18("5","10","2","8","9","5","1") = "9"
    & skf18("5","10","2","8","9","6","1") = "9"
    & skf18("5","10","2","8","9","7","1") = "9"
    & skf18("5","10","2","8","9","8","1") = "9"
    & skf18("5","10","2","8","9","9","1") = "9"
    & skf18("5","10","2","8","9","10","1") = "9"
    & skf18("5","10","2","8","10","1","1") = "9"
    & skf18("5","10","2","8","10","2","1") = "9"
    & skf18("5","10","2","8","10","3","1") = "9"
    & skf18("5","10","2","8","10","4","1") = "9"
    & skf18("5","10","2","8","10","5","1") = "9"
    & skf18("5","10","2","8","10","6","1") = "9"
    & skf18("5","10","2","8","10","7","1") = "9"
    & skf18("5","10","2","8","10","8","1") = "9"
    & skf18("5","10","2","8","10","9","1") = "9"
    & skf18("5","10","2","8","10","10","1") = "9"
    & skf18("5","10","2","9","1","1","1") = "9"
    & skf18("5","10","2","9","1","2","1") = "9"
    & skf18("5","10","2","9","1","3","1") = "9"
    & skf18("5","10","2","9","1","4","1") = "9"
    & skf18("5","10","2","9","1","5","1") = "9"
    & skf18("5","10","2","9","1","6","1") = "9"
    & skf18("5","10","2","9","1","7","1") = "9"
    & skf18("5","10","2","9","1","8","1") = "9"
    & skf18("5","10","2","9","1","9","1") = "9"
    & skf18("5","10","2","9","1","10","1") = "9"
    & skf18("5","10","2","9","2","1","1") = "9"
    & skf18("5","10","2","9","2","2","1") = "9"
    & skf18("5","10","2","9","2","3","1") = "9"
    & skf18("5","10","2","9","2","4","1") = "9"
    & skf18("5","10","2","9","2","5","1") = "9"
    & skf18("5","10","2","9","2","6","1") = "9"
    & skf18("5","10","2","9","2","7","1") = "9"
    & skf18("5","10","2","9","2","8","1") = "9"
    & skf18("5","10","2","9","2","9","1") = "9"
    & skf18("5","10","2","9","2","10","1") = "9"
    & skf18("5","10","2","9","3","1","1") = "9"
    & skf18("5","10","2","9","3","2","1") = "9"
    & skf18("5","10","2","9","3","3","1") = "9"
    & skf18("5","10","2","9","3","4","1") = "9"
    & skf18("5","10","2","9","3","5","1") = "9"
    & skf18("5","10","2","9","3","6","1") = "9"
    & skf18("5","10","2","9","3","7","1") = "9"
    & skf18("5","10","2","9","3","8","1") = "9"
    & skf18("5","10","2","9","3","9","1") = "9"
    & skf18("5","10","2","9","3","10","1") = "9"
    & skf18("5","10","2","9","4","1","1") = "9"
    & skf18("5","10","2","9","4","2","1") = "9"
    & skf18("5","10","2","9","4","3","1") = "9"
    & skf18("5","10","2","9","4","4","1") = "9"
    & skf18("5","10","2","9","4","5","1") = "9"
    & skf18("5","10","2","9","4","6","1") = "9"
    & skf18("5","10","2","9","4","7","1") = "9"
    & skf18("5","10","2","9","4","8","1") = "9"
    & skf18("5","10","2","9","4","9","1") = "9"
    & skf18("5","10","2","9","4","10","1") = "9"
    & skf18("5","10","2","9","5","1","1") = "9"
    & skf18("5","10","2","9","5","2","1") = "9"
    & skf18("5","10","2","9","5","3","1") = "9"
    & skf18("5","10","2","9","5","4","1") = "9"
    & skf18("5","10","2","9","5","5","1") = "9"
    & skf18("5","10","2","9","5","6","1") = "9"
    & skf18("5","10","2","9","5","7","1") = "9"
    & skf18("5","10","2","9","5","8","1") = "9"
    & skf18("5","10","2","9","5","9","1") = "9"
    & skf18("5","10","2","9","5","10","1") = "9"
    & skf18("5","10","2","9","6","1","1") = "9"
    & skf18("5","10","2","9","6","2","1") = "9"
    & skf18("5","10","2","9","6","3","1") = "9"
    & skf18("5","10","2","9","6","4","1") = "9"
    & skf18("5","10","2","9","6","5","1") = "9"
    & skf18("5","10","2","9","6","6","1") = "9"
    & skf18("5","10","2","9","6","7","1") = "9"
    & skf18("5","10","2","9","6","8","1") = "9"
    & skf18("5","10","2","9","6","9","1") = "9"
    & skf18("5","10","2","9","6","10","1") = "9"
    & skf18("5","10","2","9","7","1","1") = "9"
    & skf18("5","10","2","9","7","2","1") = "9"
    & skf18("5","10","2","9","7","3","1") = "9"
    & skf18("5","10","2","9","7","4","1") = "9"
    & skf18("5","10","2","9","7","5","1") = "9"
    & skf18("5","10","2","9","7","6","1") = "9"
    & skf18("5","10","2","9","7","7","1") = "9"
    & skf18("5","10","2","9","7","8","1") = "9"
    & skf18("5","10","2","9","7","9","1") = "9"
    & skf18("5","10","2","9","7","10","1") = "9"
    & skf18("5","10","2","9","8","1","1") = "9"
    & skf18("5","10","2","9","8","2","1") = "9"
    & skf18("5","10","2","9","8","3","1") = "9"
    & skf18("5","10","2","9","8","4","1") = "9"
    & skf18("5","10","2","9","8","5","1") = "9"
    & skf18("5","10","2","9","8","6","1") = "9"
    & skf18("5","10","2","9","8","7","1") = "9"
    & skf18("5","10","2","9","8","8","1") = "9"
    & skf18("5","10","2","9","8","9","1") = "9"
    & skf18("5","10","2","9","8","10","1") = "9"
    & skf18("5","10","2","9","9","1","1") = "9"
    & skf18("5","10","2","9","9","2","1") = "9"
    & skf18("5","10","2","9","9","3","1") = "9"
    & skf18("5","10","2","9","9","4","1") = "9"
    & skf18("5","10","2","9","9","5","1") = "9"
    & skf18("5","10","2","9","9","6","1") = "9"
    & skf18("5","10","2","9","9","7","1") = "9"
    & skf18("5","10","2","9","9","8","1") = "9"
    & skf18("5","10","2","9","9","9","1") = "9"
    & skf18("5","10","2","9","9","10","1") = "9"
    & skf18("5","10","2","9","10","1","1") = "9"
    & skf18("5","10","2","9","10","2","1") = "9"
    & skf18("5","10","2","9","10","3","1") = "9"
    & skf18("5","10","2","9","10","4","1") = "9"
    & skf18("5","10","2","9","10","5","1") = "9"
    & skf18("5","10","2","9","10","6","1") = "9"
    & skf18("5","10","2","9","10","7","1") = "9"
    & skf18("5","10","2","9","10","8","1") = "9"
    & skf18("5","10","2","9","10","9","1") = "9"
    & skf18("5","10","2","9","10","10","1") = "9"
    & skf18("5","10","2","10","1","1","1") = "9"
    & skf18("5","10","2","10","1","2","1") = "9"
    & skf18("5","10","2","10","1","3","1") = "9"
    & skf18("5","10","2","10","1","4","1") = "9"
    & skf18("5","10","2","10","1","5","1") = "9"
    & skf18("5","10","2","10","1","6","1") = "9"
    & skf18("5","10","2","10","1","7","1") = "9"
    & skf18("5","10","2","10","1","8","1") = "9"
    & skf18("5","10","2","10","1","9","1") = "9"
    & skf18("5","10","2","10","1","10","1") = "9"
    & skf18("5","10","2","10","2","1","1") = "9"
    & skf18("5","10","2","10","2","2","1") = "9"
    & skf18("5","10","2","10","2","3","1") = "9"
    & skf18("5","10","2","10","2","4","1") = "9"
    & skf18("5","10","2","10","2","5","1") = "9"
    & skf18("5","10","2","10","2","6","1") = "9"
    & skf18("5","10","2","10","2","7","1") = "9"
    & skf18("5","10","2","10","2","8","1") = "9"
    & skf18("5","10","2","10","2","9","1") = "9"
    & skf18("5","10","2","10","2","10","1") = "9"
    & skf18("5","10","2","10","3","1","1") = "9"
    & skf18("5","10","2","10","3","2","1") = "9"
    & skf18("5","10","2","10","3","3","1") = "9"
    & skf18("5","10","2","10","3","4","1") = "9"
    & skf18("5","10","2","10","3","5","1") = "9"
    & skf18("5","10","2","10","3","6","1") = "9"
    & skf18("5","10","2","10","3","7","1") = "9"
    & skf18("5","10","2","10","3","8","1") = "9"
    & skf18("5","10","2","10","3","9","1") = "9"
    & skf18("5","10","2","10","3","10","1") = "9"
    & skf18("5","10","2","10","4","1","1") = "9"
    & skf18("5","10","2","10","4","2","1") = "9"
    & skf18("5","10","2","10","4","3","1") = "9"
    & skf18("5","10","2","10","4","4","1") = "9"
    & skf18("5","10","2","10","4","5","1") = "9"
    & skf18("5","10","2","10","4","6","1") = "9"
    & skf18("5","10","2","10","4","7","1") = "9"
    & skf18("5","10","2","10","4","8","1") = "9"
    & skf18("5","10","2","10","4","9","1") = "9"
    & skf18("5","10","2","10","4","10","1") = "9"
    & skf18("5","10","2","10","5","1","1") = "9"
    & skf18("5","10","2","10","5","2","1") = "9"
    & skf18("5","10","2","10","5","3","1") = "9"
    & skf18("5","10","2","10","5","4","1") = "9"
    & skf18("5","10","2","10","5","5","1") = "9"
    & skf18("5","10","2","10","5","6","1") = "9"
    & skf18("5","10","2","10","5","7","1") = "9"
    & skf18("5","10","2","10","5","8","1") = "9"
    & skf18("5","10","2","10","5","9","1") = "9"
    & skf18("5","10","2","10","5","10","1") = "9"
    & skf18("5","10","2","10","6","1","1") = "9"
    & skf18("5","10","2","10","6","2","1") = "9"
    & skf18("5","10","2","10","6","3","1") = "9"
    & skf18("5","10","2","10","6","4","1") = "9"
    & skf18("5","10","2","10","6","5","1") = "9"
    & skf18("5","10","2","10","6","6","1") = "9"
    & skf18("5","10","2","10","6","7","1") = "9"
    & skf18("5","10","2","10","6","8","1") = "9"
    & skf18("5","10","2","10","6","9","1") = "9"
    & skf18("5","10","2","10","6","10","1") = "9"
    & skf18("5","10","2","10","7","1","1") = "9"
    & skf18("5","10","2","10","7","2","1") = "9"
    & skf18("5","10","2","10","7","3","1") = "9"
    & skf18("5","10","2","10","7","4","1") = "9"
    & skf18("5","10","2","10","7","5","1") = "9"
    & skf18("5","10","2","10","7","6","1") = "9"
    & skf18("5","10","2","10","7","7","1") = "9"
    & skf18("5","10","2","10","7","8","1") = "9"
    & skf18("5","10","2","10","7","9","1") = "9"
    & skf18("5","10","2","10","7","10","1") = "9"
    & skf18("5","10","2","10","8","1","1") = "9"
    & skf18("5","10","2","10","8","2","1") = "9"
    & skf18("5","10","2","10","8","3","1") = "9"
    & skf18("5","10","2","10","8","4","1") = "9"
    & skf18("5","10","2","10","8","5","1") = "9"
    & skf18("5","10","2","10","8","6","1") = "9"
    & skf18("5","10","2","10","8","7","1") = "9"
    & skf18("5","10","2","10","8","8","1") = "9"
    & skf18("5","10","2","10","8","9","1") = "9"
    & skf18("5","10","2","10","8","10","1") = "9"
    & skf18("5","10","2","10","9","1","1") = "9"
    & skf18("5","10","2","10","9","2","1") = "9"
    & skf18("5","10","2","10","9","3","1") = "9"
    & skf18("5","10","2","10","9","4","1") = "9"
    & skf18("5","10","2","10","9","5","1") = "9"
    & skf18("5","10","2","10","9","6","1") = "9"
    & skf18("5","10","2","10","9","7","1") = "9"
    & skf18("5","10","2","10","9","8","1") = "9"
    & skf18("5","10","2","10","9","9","1") = "9"
    & skf18("5","10","2","10","9","10","1") = "9"
    & skf18("5","10","2","10","10","1","1") = "9"
    & skf18("5","10","2","10","10","2","1") = "9"
    & skf18("5","10","2","10","10","3","1") = "9"
    & skf18("5","10","2","10","10","4","1") = "9"
    & skf18("5","10","2","10","10","5","1") = "9"
    & skf18("5","10","2","10","10","6","1") = "9"
    & skf18("5","10","2","10","10","7","1") = "9"
    & skf18("5","10","2","10","10","8","1") = "9"
    & skf18("5","10","2","10","10","9","1") = "9"
    & skf18("5","10","2","10","10","10","1") = "9"
    & skf18("5","10","3","1","1","1","1") = "9"
    & skf18("5","10","3","1","1","2","1") = "9"
    & skf18("5","10","3","1","1","3","1") = "9"
    & skf18("5","10","3","1","1","4","1") = "9"
    & skf18("5","10","3","1","1","5","1") = "9"
    & skf18("5","10","3","1","1","6","1") = "9"
    & skf18("5","10","3","1","1","7","1") = "9"
    & skf18("5","10","3","1","1","8","1") = "9"
    & skf18("5","10","3","1","1","9","1") = "9"
    & skf18("5","10","3","1","1","10","1") = "9"
    & skf18("5","10","3","1","2","1","1") = "9"
    & skf18("5","10","3","1","2","2","1") = "9"
    & skf18("5","10","3","1","2","3","1") = "9"
    & skf18("5","10","3","1","2","4","1") = "9"
    & skf18("5","10","3","1","2","5","1") = "9"
    & skf18("5","10","3","1","2","6","1") = "9"
    & skf18("5","10","3","1","2","7","1") = "9"
    & skf18("5","10","3","1","2","8","1") = "9"
    & skf18("5","10","3","1","2","9","1") = "9"
    & skf18("5","10","3","1","2","10","1") = "9"
    & skf18("5","10","3","1","3","1","1") = "9"
    & skf18("5","10","3","1","3","2","1") = "9"
    & skf18("5","10","3","1","3","3","1") = "9"
    & skf18("5","10","3","1","3","4","1") = "9"
    & skf18("5","10","3","1","3","5","1") = "9"
    & skf18("5","10","3","1","3","6","1") = "9"
    & skf18("5","10","3","1","3","7","1") = "9"
    & skf18("5","10","3","1","3","8","1") = "9"
    & skf18("5","10","3","1","3","9","1") = "9"
    & skf18("5","10","3","1","3","10","1") = "9"
    & skf18("5","10","3","1","4","1","1") = "9"
    & skf18("5","10","3","1","4","2","1") = "9"
    & skf18("5","10","3","1","4","3","1") = "9"
    & skf18("5","10","3","1","4","4","1") = "9"
    & skf18("5","10","3","1","4","5","1") = "9"
    & skf18("5","10","3","1","4","6","1") = "9"
    & skf18("5","10","3","1","4","7","1") = "9"
    & skf18("5","10","3","1","4","8","1") = "9"
    & skf18("5","10","3","1","4","9","1") = "9"
    & skf18("5","10","3","1","4","10","1") = "9"
    & skf18("5","10","3","1","5","1","1") = "9"
    & skf18("5","10","3","1","5","2","1") = "9"
    & skf18("5","10","3","1","5","3","1") = "9"
    & skf18("5","10","3","1","5","4","1") = "9"
    & skf18("5","10","3","1","5","5","1") = "9"
    & skf18("5","10","3","1","5","6","1") = "9"
    & skf18("5","10","3","1","5","7","1") = "9"
    & skf18("5","10","3","1","5","8","1") = "9"
    & skf18("5","10","3","1","5","9","1") = "9"
    & skf18("5","10","3","1","5","10","1") = "9"
    & skf18("5","10","3","1","6","1","1") = "9"
    & skf18("5","10","3","1","6","2","1") = "9"
    & skf18("5","10","3","1","6","3","1") = "9"
    & skf18("5","10","3","1","6","4","1") = "9"
    & skf18("5","10","3","1","6","5","1") = "9"
    & skf18("5","10","3","1","6","6","1") = "9"
    & skf18("5","10","3","1","6","7","1") = "9"
    & skf18("5","10","3","1","6","8","1") = "9"
    & skf18("5","10","3","1","6","9","1") = "9"
    & skf18("5","10","3","1","6","10","1") = "9"
    & skf18("5","10","3","1","7","1","1") = "9"
    & skf18("5","10","3","1","7","2","1") = "9"
    & skf18("5","10","3","1","7","3","1") = "9"
    & skf18("5","10","3","1","7","4","1") = "9"
    & skf18("5","10","3","1","7","5","1") = "9"
    & skf18("5","10","3","1","7","6","1") = "9"
    & skf18("5","10","3","1","7","7","1") = "9"
    & skf18("5","10","3","1","7","8","1") = "9"
    & skf18("5","10","3","1","7","9","1") = "9"
    & skf18("5","10","3","1","7","10","1") = "9"
    & skf18("5","10","3","1","8","1","1") = "9"
    & skf18("5","10","3","1","8","2","1") = "9"
    & skf18("5","10","3","1","8","3","1") = "9"
    & skf18("5","10","3","1","8","4","1") = "9"
    & skf18("5","10","3","1","8","5","1") = "9"
    & skf18("5","10","3","1","8","6","1") = "9"
    & skf18("5","10","3","1","8","7","1") = "9"
    & skf18("5","10","3","1","8","8","1") = "9"
    & skf18("5","10","3","1","8","9","1") = "9"
    & skf18("5","10","3","1","8","10","1") = "9"
    & skf18("5","10","3","1","9","1","1") = "9"
    & skf18("5","10","3","1","9","2","1") = "9"
    & skf18("5","10","3","1","9","3","1") = "9"
    & skf18("5","10","3","1","9","4","1") = "9"
    & skf18("5","10","3","1","9","5","1") = "9"
    & skf18("5","10","3","1","9","6","1") = "9"
    & skf18("5","10","3","1","9","7","1") = "9"
    & skf18("5","10","3","1","9","8","1") = "9"
    & skf18("5","10","3","1","9","9","1") = "9"
    & skf18("5","10","3","1","9","10","1") = "9"
    & skf18("5","10","3","1","10","1","1") = "9"
    & skf18("5","10","3","1","10","2","1") = "9"
    & skf18("5","10","3","1","10","3","1") = "9"
    & skf18("5","10","3","1","10","4","1") = "9"
    & skf18("5","10","3","1","10","5","1") = "9"
    & skf18("5","10","3","1","10","6","1") = "9"
    & skf18("5","10","3","1","10","7","1") = "9"
    & skf18("5","10","3","1","10","8","1") = "9"
    & skf18("5","10","3","1","10","9","1") = "9"
    & skf18("5","10","3","1","10","10","1") = "9"
    & skf18("5","10","3","2","1","1","1") = "9"
    & skf18("5","10","3","2","1","2","1") = "9"
    & skf18("5","10","3","2","1","3","1") = "9"
    & skf18("5","10","3","2","1","4","1") = "9"
    & skf18("5","10","3","2","1","5","1") = "9"
    & skf18("5","10","3","2","1","6","1") = "9"
    & skf18("5","10","3","2","1","7","1") = "9"
    & skf18("5","10","3","2","1","8","1") = "9"
    & skf18("5","10","3","2","1","9","1") = "9"
    & skf18("5","10","3","2","1","10","1") = "9"
    & skf18("5","10","3","2","2","1","1") = "9"
    & skf18("5","10","3","2","2","2","1") = "9"
    & skf18("5","10","3","2","2","3","1") = "9"
    & skf18("5","10","3","2","2","4","1") = "9"
    & skf18("5","10","3","2","2","5","1") = "9"
    & skf18("5","10","3","2","2","6","1") = "9"
    & skf18("5","10","3","2","2","7","1") = "9"
    & skf18("5","10","3","2","2","8","1") = "9"
    & skf18("5","10","3","2","2","9","1") = "9"
    & skf18("5","10","3","2","2","10","1") = "9"
    & skf18("5","10","3","2","3","1","1") = "9"
    & skf18("5","10","3","2","3","2","1") = "9"
    & skf18("5","10","3","2","3","3","1") = "9"
    & skf18("5","10","3","2","3","4","1") = "9"
    & skf18("5","10","3","2","3","5","1") = "9"
    & skf18("5","10","3","2","3","6","1") = "9"
    & skf18("5","10","3","2","3","7","1") = "9"
    & skf18("5","10","3","2","3","8","1") = "9"
    & skf18("5","10","3","2","3","9","1") = "9"
    & skf18("5","10","3","2","3","10","1") = "9"
    & skf18("5","10","3","2","4","1","1") = "9"
    & skf18("5","10","3","2","4","2","1") = "9"
    & skf18("5","10","3","2","4","3","1") = "9"
    & skf18("5","10","3","2","4","4","1") = "9"
    & skf18("5","10","3","2","4","5","1") = "9"
    & skf18("5","10","3","2","4","6","1") = "9"
    & skf18("5","10","3","2","4","7","1") = "9"
    & skf18("5","10","3","2","4","8","1") = "9"
    & skf18("5","10","3","2","4","9","1") = "9"
    & skf18("5","10","3","2","4","10","1") = "9"
    & skf18("5","10","3","2","5","1","1") = "9"
    & skf18("5","10","3","2","5","2","1") = "9"
    & skf18("5","10","3","2","5","3","1") = "9"
    & skf18("5","10","3","2","5","4","1") = "9"
    & skf18("5","10","3","2","5","5","1") = "9"
    & skf18("5","10","3","2","5","6","1") = "9"
    & skf18("5","10","3","2","5","7","1") = "9"
    & skf18("5","10","3","2","5","8","1") = "9"
    & skf18("5","10","3","2","5","9","1") = "9"
    & skf18("5","10","3","2","5","10","1") = "9"
    & skf18("5","10","3","2","6","1","1") = "9"
    & skf18("5","10","3","2","6","2","1") = "9"
    & skf18("5","10","3","2","6","3","1") = "9"
    & skf18("5","10","3","2","6","4","1") = "9"
    & skf18("5","10","3","2","6","5","1") = "9"
    & skf18("5","10","3","2","6","6","1") = "9"
    & skf18("5","10","3","2","6","7","1") = "9"
    & skf18("5","10","3","2","6","8","1") = "9"
    & skf18("5","10","3","2","6","9","1") = "9"
    & skf18("5","10","3","2","6","10","1") = "9"
    & skf18("5","10","3","2","7","1","1") = "9"
    & skf18("5","10","3","2","7","2","1") = "9"
    & skf18("5","10","3","2","7","3","1") = "9"
    & skf18("5","10","3","2","7","4","1") = "9"
    & skf18("5","10","3","2","7","5","1") = "9"
    & skf18("5","10","3","2","7","6","1") = "9"
    & skf18("5","10","3","2","7","7","1") = "9"
    & skf18("5","10","3","2","7","8","1") = "9"
    & skf18("5","10","3","2","7","9","1") = "9"
    & skf18("5","10","3","2","7","10","1") = "9"
    & skf18("5","10","3","2","8","1","1") = "9"
    & skf18("5","10","3","2","8","2","1") = "9"
    & skf18("5","10","3","2","8","3","1") = "9"
    & skf18("5","10","3","2","8","4","1") = "9"
    & skf18("5","10","3","2","8","5","1") = "9"
    & skf18("5","10","3","2","8","6","1") = "9"
    & skf18("5","10","3","2","8","7","1") = "9"
    & skf18("5","10","3","2","8","8","1") = "9"
    & skf18("5","10","3","2","8","9","1") = "9"
    & skf18("5","10","3","2","8","10","1") = "9"
    & skf18("5","10","3","2","9","1","1") = "9"
    & skf18("5","10","3","2","9","2","1") = "9"
    & skf18("5","10","3","2","9","3","1") = "9"
    & skf18("5","10","3","2","9","4","1") = "9"
    & skf18("5","10","3","2","9","5","1") = "9"
    & skf18("5","10","3","2","9","6","1") = "9"
    & skf18("5","10","3","2","9","7","1") = "9"
    & skf18("5","10","3","2","9","8","1") = "9"
    & skf18("5","10","3","2","9","9","1") = "9"
    & skf18("5","10","3","2","9","10","1") = "9"
    & skf18("5","10","3","2","10","1","1") = "9"
    & skf18("5","10","3","2","10","2","1") = "9"
    & skf18("5","10","3","2","10","3","1") = "9"
    & skf18("5","10","3","2","10","4","1") = "9"
    & skf18("5","10","3","2","10","5","1") = "9"
    & skf18("5","10","3","2","10","6","1") = "9"
    & skf18("5","10","3","2","10","7","1") = "9"
    & skf18("5","10","3","2","10","8","1") = "9"
    & skf18("5","10","3","2","10","9","1") = "9"
    & skf18("5","10","3","2","10","10","1") = "9"
    & skf18("5","10","3","3","1","1","1") = "9"
    & skf18("5","10","3","3","1","2","1") = "9"
    & skf18("5","10","3","3","1","3","1") = "9"
    & skf18("5","10","3","3","1","4","1") = "9"
    & skf18("5","10","3","3","1","5","1") = "9"
    & skf18("5","10","3","3","1","6","1") = "9"
    & skf18("5","10","3","3","1","7","1") = "9"
    & skf18("5","10","3","3","1","8","1") = "9"
    & skf18("5","10","3","3","1","9","1") = "9"
    & skf18("5","10","3","3","1","10","1") = "9"
    & skf18("5","10","3","3","2","1","1") = "9"
    & skf18("5","10","3","3","2","2","1") = "9"
    & skf18("5","10","3","3","2","3","1") = "9"
    & skf18("5","10","3","3","2","4","1") = "9"
    & skf18("5","10","3","3","2","5","1") = "9"
    & skf18("5","10","3","3","2","6","1") = "9"
    & skf18("5","10","3","3","2","7","1") = "9"
    & skf18("5","10","3","3","2","8","1") = "9"
    & skf18("5","10","3","3","2","9","1") = "9"
    & skf18("5","10","3","3","2","10","1") = "9"
    & skf18("5","10","3","3","3","1","1") = "9"
    & skf18("5","10","3","3","3","2","1") = "9"
    & skf18("5","10","3","3","3","3","1") = "9"
    & skf18("5","10","3","3","3","4","1") = "9"
    & skf18("5","10","3","3","3","5","1") = "9"
    & skf18("5","10","3","3","3","6","1") = "9"
    & skf18("5","10","3","3","3","7","1") = "9"
    & skf18("5","10","3","3","3","8","1") = "9"
    & skf18("5","10","3","3","3","9","1") = "9"
    & skf18("5","10","3","3","3","10","1") = "9"
    & skf18("5","10","3","3","4","1","1") = "9"
    & skf18("5","10","3","3","4","2","1") = "9"
    & skf18("5","10","3","3","4","3","1") = "9"
    & skf18("5","10","3","3","4","4","1") = "9"
    & skf18("5","10","3","3","4","5","1") = "9"
    & skf18("5","10","3","3","4","6","1") = "9"
    & skf18("5","10","3","3","4","7","1") = "9"
    & skf18("5","10","3","3","4","8","1") = "9"
    & skf18("5","10","3","3","4","9","1") = "9"
    & skf18("5","10","3","3","4","10","1") = "9"
    & skf18("5","10","3","3","5","1","1") = "9"
    & skf18("5","10","3","3","5","2","1") = "9"
    & skf18("5","10","3","3","5","3","1") = "9"
    & skf18("5","10","3","3","5","4","1") = "9"
    & skf18("5","10","3","3","5","5","1") = "9"
    & skf18("5","10","3","3","5","6","1") = "9"
    & skf18("5","10","3","3","5","7","1") = "9"
    & skf18("5","10","3","3","5","8","1") = "9"
    & skf18("5","10","3","3","5","9","1") = "9"
    & skf18("5","10","3","3","5","10","1") = "9"
    & skf18("5","10","3","3","6","1","1") = "9"
    & skf18("5","10","3","3","6","2","1") = "9"
    & skf18("5","10","3","3","6","3","1") = "9"
    & skf18("5","10","3","3","6","4","1") = "9"
    & skf18("5","10","3","3","6","5","1") = "9"
    & skf18("5","10","3","3","6","6","1") = "9"
    & skf18("5","10","3","3","6","7","1") = "9"
    & skf18("5","10","3","3","6","8","1") = "9"
    & skf18("5","10","3","3","6","9","1") = "9"
    & skf18("5","10","3","3","6","10","1") = "9"
    & skf18("5","10","3","3","7","1","1") = "9"
    & skf18("5","10","3","3","7","2","1") = "9"
    & skf18("5","10","3","3","7","3","1") = "9"
    & skf18("5","10","3","3","7","4","1") = "9"
    & skf18("5","10","3","3","7","5","1") = "9"
    & skf18("5","10","3","3","7","6","1") = "9"
    & skf18("5","10","3","3","7","7","1") = "9"
    & skf18("5","10","3","3","7","8","1") = "9"
    & skf18("5","10","3","3","7","9","1") = "9"
    & skf18("5","10","3","3","7","10","1") = "9"
    & skf18("5","10","3","3","8","1","1") = "9"
    & skf18("5","10","3","3","8","2","1") = "9"
    & skf18("5","10","3","3","8","3","1") = "9"
    & skf18("5","10","3","3","8","4","1") = "9"
    & skf18("5","10","3","3","8","5","1") = "9"
    & skf18("5","10","3","3","8","6","1") = "9"
    & skf18("5","10","3","3","8","7","1") = "9"
    & skf18("5","10","3","3","8","8","1") = "9"
    & skf18("5","10","3","3","8","9","1") = "9"
    & skf18("5","10","3","3","8","10","1") = "9"
    & skf18("5","10","3","3","9","1","1") = "9"
    & skf18("5","10","3","3","9","2","1") = "9"
    & skf18("5","10","3","3","9","3","1") = "9"
    & skf18("5","10","3","3","9","4","1") = "9"
    & skf18("5","10","3","3","9","5","1") = "9"
    & skf18("5","10","3","3","9","6","1") = "9"
    & skf18("5","10","3","3","9","7","1") = "9"
    & skf18("5","10","3","3","9","8","1") = "9"
    & skf18("5","10","3","3","9","9","1") = "9"
    & skf18("5","10","3","3","9","10","1") = "9"
    & skf18("5","10","3","3","10","1","1") = "9"
    & skf18("5","10","3","3","10","2","1") = "9"
    & skf18("5","10","3","3","10","3","1") = "9"
    & skf18("5","10","3","3","10","4","1") = "9"
    & skf18("5","10","3","3","10","5","1") = "9"
    & skf18("5","10","3","3","10","6","1") = "9"
    & skf18("5","10","3","3","10","7","1") = "9"
    & skf18("5","10","3","3","10","8","1") = "9"
    & skf18("5","10","3","3","10","9","1") = "9"
    & skf18("5","10","3","3","10","10","1") = "9"
    & skf18("5","10","3","4","1","1","1") = "9"
    & skf18("5","10","3","4","1","2","1") = "9"
    & skf18("5","10","3","4","1","3","1") = "9"
    & skf18("5","10","3","4","1","4","1") = "9"
    & skf18("5","10","3","4","1","5","1") = "9"
    & skf18("5","10","3","4","1","6","1") = "9"
    & skf18("5","10","3","4","1","7","1") = "9"
    & skf18("5","10","3","4","1","8","1") = "9"
    & skf18("5","10","3","4","1","9","1") = "9"
    & skf18("5","10","3","4","1","10","1") = "9"
    & skf18("5","10","3","4","2","1","1") = "9"
    & skf18("5","10","3","4","2","2","1") = "9"
    & skf18("5","10","3","4","2","3","1") = "9"
    & skf18("5","10","3","4","2","4","1") = "9"
    & skf18("5","10","3","4","2","5","1") = "9"
    & skf18("5","10","3","4","2","6","1") = "9"
    & skf18("5","10","3","4","2","7","1") = "9"
    & skf18("5","10","3","4","2","8","1") = "9"
    & skf18("5","10","3","4","2","9","1") = "9"
    & skf18("5","10","3","4","2","10","1") = "9"
    & skf18("5","10","3","4","3","1","1") = "9"
    & skf18("5","10","3","4","3","2","1") = "9"
    & skf18("5","10","3","4","3","3","1") = "9"
    & skf18("5","10","3","4","3","4","1") = "9"
    & skf18("5","10","3","4","3","5","1") = "9"
    & skf18("5","10","3","4","3","6","1") = "9"
    & skf18("5","10","3","4","3","7","1") = "9"
    & skf18("5","10","3","4","3","8","1") = "9"
    & skf18("5","10","3","4","3","9","1") = "9"
    & skf18("5","10","3","4","3","10","1") = "9"
    & skf18("5","10","3","4","4","1","1") = "9"
    & skf18("5","10","3","4","4","2","1") = "9"
    & skf18("5","10","3","4","4","3","1") = "9"
    & skf18("5","10","3","4","4","4","1") = "9"
    & skf18("5","10","3","4","4","5","1") = "9"
    & skf18("5","10","3","4","4","6","1") = "9"
    & skf18("5","10","3","4","4","7","1") = "9"
    & skf18("5","10","3","4","4","8","1") = "9"
    & skf18("5","10","3","4","4","9","1") = "9"
    & skf18("5","10","3","4","4","10","1") = "9"
    & skf18("5","10","3","4","5","1","1") = "9"
    & skf18("5","10","3","4","5","2","1") = "9"
    & skf18("5","10","3","4","5","3","1") = "9"
    & skf18("5","10","3","4","5","4","1") = "9"
    & skf18("5","10","3","4","5","5","1") = "9"
    & skf18("5","10","3","4","5","6","1") = "9"
    & skf18("5","10","3","4","5","7","1") = "9"
    & skf18("5","10","3","4","5","8","1") = "9"
    & skf18("5","10","3","4","5","9","1") = "9"
    & skf18("5","10","3","4","5","10","1") = "9"
    & skf18("5","10","3","4","6","1","1") = "9"
    & skf18("5","10","3","4","6","2","1") = "9"
    & skf18("5","10","3","4","6","3","1") = "9"
    & skf18("5","10","3","4","6","4","1") = "9"
    & skf18("5","10","3","4","6","5","1") = "9"
    & skf18("5","10","3","4","6","6","1") = "9"
    & skf18("5","10","3","4","6","7","1") = "9"
    & skf18("5","10","3","4","6","8","1") = "9"
    & skf18("5","10","3","4","6","9","1") = "9"
    & skf18("5","10","3","4","6","10","1") = "9"
    & skf18("5","10","3","4","7","1","1") = "9"
    & skf18("5","10","3","4","7","2","1") = "9"
    & skf18("5","10","3","4","7","3","1") = "9"
    & skf18("5","10","3","4","7","4","1") = "9"
    & skf18("5","10","3","4","7","5","1") = "9"
    & skf18("5","10","3","4","7","6","1") = "9"
    & skf18("5","10","3","4","7","7","1") = "9"
    & skf18("5","10","3","4","7","8","1") = "9"
    & skf18("5","10","3","4","7","9","1") = "9"
    & skf18("5","10","3","4","7","10","1") = "9"
    & skf18("5","10","3","4","8","1","1") = "9"
    & skf18("5","10","3","4","8","2","1") = "9"
    & skf18("5","10","3","4","8","3","1") = "9"
    & skf18("5","10","3","4","8","4","1") = "9"
    & skf18("5","10","3","4","8","5","1") = "9"
    & skf18("5","10","3","4","8","6","1") = "9"
    & skf18("5","10","3","4","8","7","1") = "9"
    & skf18("5","10","3","4","8","8","1") = "9"
    & skf18("5","10","3","4","8","9","1") = "9"
    & skf18("5","10","3","4","8","10","1") = "9"
    & skf18("5","10","3","4","9","1","1") = "9"
    & skf18("5","10","3","4","9","2","1") = "9"
    & skf18("5","10","3","4","9","3","1") = "9"
    & skf18("5","10","3","4","9","4","1") = "9"
    & skf18("5","10","3","4","9","5","1") = "9"
    & skf18("5","10","3","4","9","6","1") = "9"
    & skf18("5","10","3","4","9","7","1") = "9"
    & skf18("5","10","3","4","9","8","1") = "9"
    & skf18("5","10","3","4","9","9","1") = "9"
    & skf18("5","10","3","4","9","10","1") = "9"
    & skf18("5","10","3","4","10","1","1") = "9"
    & skf18("5","10","3","4","10","2","1") = "9"
    & skf18("5","10","3","4","10","3","1") = "9"
    & skf18("5","10","3","4","10","4","1") = "9"
    & skf18("5","10","3","4","10","5","1") = "9"
    & skf18("5","10","3","4","10","6","1") = "9"
    & skf18("5","10","3","4","10","7","1") = "9"
    & skf18("5","10","3","4","10","8","1") = "9"
    & skf18("5","10","3","4","10","9","1") = "9"
    & skf18("5","10","3","4","10","10","1") = "9"
    & skf18("5","10","3","5","1","1","1") = "9"
    & skf18("5","10","3","5","1","2","1") = "9"
    & skf18("5","10","3","5","1","3","1") = "9"
    & skf18("5","10","3","5","1","4","1") = "9"
    & skf18("5","10","3","5","1","5","1") = "9"
    & skf18("5","10","3","5","1","6","1") = "9"
    & skf18("5","10","3","5","1","7","1") = "9"
    & skf18("5","10","3","5","1","8","1") = "9"
    & skf18("5","10","3","5","1","9","1") = "9"
    & skf18("5","10","3","5","1","10","1") = "9"
    & skf18("5","10","3","5","2","1","1") = "9"
    & skf18("5","10","3","5","2","2","1") = "9"
    & skf18("5","10","3","5","2","3","1") = "9"
    & skf18("5","10","3","5","2","4","1") = "9"
    & skf18("5","10","3","5","2","5","1") = "9"
    & skf18("5","10","3","5","2","6","1") = "9"
    & skf18("5","10","3","5","2","7","1") = "9"
    & skf18("5","10","3","5","2","8","1") = "9"
    & skf18("5","10","3","5","2","9","1") = "9"
    & skf18("5","10","3","5","2","10","1") = "9"
    & skf18("5","10","3","5","3","1","1") = "9"
    & skf18("5","10","3","5","3","2","1") = "9"
    & skf18("5","10","3","5","3","3","1") = "9"
    & skf18("5","10","3","5","3","4","1") = "9"
    & skf18("5","10","3","5","3","5","1") = "9"
    & skf18("5","10","3","5","3","6","1") = "9"
    & skf18("5","10","3","5","3","7","1") = "9"
    & skf18("5","10","3","5","3","8","1") = "9"
    & skf18("5","10","3","5","3","9","1") = "9"
    & skf18("5","10","3","5","3","10","1") = "9"
    & skf18("5","10","3","5","4","1","1") = "9"
    & skf18("5","10","3","5","4","2","1") = "9"
    & skf18("5","10","3","5","4","3","1") = "9"
    & skf18("5","10","3","5","4","4","1") = "9"
    & skf18("5","10","3","5","4","5","1") = "9"
    & skf18("5","10","3","5","4","6","1") = "9"
    & skf18("5","10","3","5","4","7","1") = "9"
    & skf18("5","10","3","5","4","8","1") = "9"
    & skf18("5","10","3","5","4","9","1") = "9"
    & skf18("5","10","3","5","4","10","1") = "9"
    & skf18("5","10","3","5","5","1","1") = "9"
    & skf18("5","10","3","5","5","2","1") = "9"
    & skf18("5","10","3","5","5","3","1") = "9"
    & skf18("5","10","3","5","5","4","1") = "9"
    & skf18("5","10","3","5","5","5","1") = "9"
    & skf18("5","10","3","5","5","6","1") = "9"
    & skf18("5","10","3","5","5","7","1") = "9"
    & skf18("5","10","3","5","5","8","1") = "9"
    & skf18("5","10","3","5","5","9","1") = "9"
    & skf18("5","10","3","5","5","10","1") = "9"
    & skf18("5","10","3","5","6","1","1") = "9"
    & skf18("5","10","3","5","6","2","1") = "9"
    & skf18("5","10","3","5","6","3","1") = "9"
    & skf18("5","10","3","5","6","4","1") = "9"
    & skf18("5","10","3","5","6","5","1") = "9"
    & skf18("5","10","3","5","6","6","1") = "9"
    & skf18("5","10","3","5","6","7","1") = "9"
    & skf18("5","10","3","5","6","8","1") = "9"
    & skf18("5","10","3","5","6","9","1") = "9"
    & skf18("5","10","3","5","6","10","1") = "9"
    & skf18("5","10","3","5","7","1","1") = "9"
    & skf18("5","10","3","5","7","2","1") = "9"
    & skf18("5","10","3","5","7","3","1") = "9"
    & skf18("5","10","3","5","7","4","1") = "9"
    & skf18("5","10","3","5","7","5","1") = "9"
    & skf18("5","10","3","5","7","6","1") = "9"
    & skf18("5","10","3","5","7","7","1") = "9"
    & skf18("5","10","3","5","7","8","1") = "9"
    & skf18("5","10","3","5","7","9","1") = "9"
    & skf18("5","10","3","5","7","10","1") = "9"
    & skf18("5","10","3","5","8","1","1") = "9"
    & skf18("5","10","3","5","8","2","1") = "9"
    & skf18("5","10","3","5","8","3","1") = "9"
    & skf18("5","10","3","5","8","4","1") = "9"
    & skf18("5","10","3","5","8","5","1") = "9"
    & skf18("5","10","3","5","8","6","1") = "9"
    & skf18("5","10","3","5","8","7","1") = "9"
    & skf18("5","10","3","5","8","8","1") = "9"
    & skf18("5","10","3","5","8","9","1") = "9"
    & skf18("5","10","3","5","8","10","1") = "9"
    & skf18("5","10","3","5","9","1","1") = "9"
    & skf18("5","10","3","5","9","2","1") = "9"
    & skf18("5","10","3","5","9","3","1") = "9"
    & skf18("5","10","3","5","9","4","1") = "9"
    & skf18("5","10","3","5","9","5","1") = "9"
    & skf18("5","10","3","5","9","6","1") = "9"
    & skf18("5","10","3","5","9","7","1") = "9"
    & skf18("5","10","3","5","9","8","1") = "9"
    & skf18("5","10","3","5","9","9","1") = "9"
    & skf18("5","10","3","5","9","10","1") = "9"
    & skf18("5","10","3","5","10","1","1") = "9"
    & skf18("5","10","3","5","10","2","1") = "9"
    & skf18("5","10","3","5","10","3","1") = "9"
    & skf18("5","10","3","5","10","4","1") = "9"
    & skf18("5","10","3","5","10","5","1") = "9"
    & skf18("5","10","3","5","10","6","1") = "9"
    & skf18("5","10","3","5","10","7","1") = "9"
    & skf18("5","10","3","5","10","8","1") = "9"
    & skf18("5","10","3","5","10","9","1") = "9"
    & skf18("5","10","3","5","10","10","1") = "9"
    & skf18("5","10","3","6","1","1","1") = "9"
    & skf18("5","10","3","6","1","2","1") = "9"
    & skf18("5","10","3","6","1","3","1") = "9"
    & skf18("5","10","3","6","1","4","1") = "9"
    & skf18("5","10","3","6","1","5","1") = "9"
    & skf18("5","10","3","6","1","6","1") = "9"
    & skf18("5","10","3","6","1","7","1") = "9"
    & skf18("5","10","3","6","1","8","1") = "9"
    & skf18("5","10","3","6","1","9","1") = "9"
    & skf18("5","10","3","6","1","10","1") = "9"
    & skf18("5","10","3","6","2","1","1") = "9"
    & skf18("5","10","3","6","2","2","1") = "9"
    & skf18("5","10","3","6","2","3","1") = "9"
    & skf18("5","10","3","6","2","4","1") = "9"
    & skf18("5","10","3","6","2","5","1") = "9"
    & skf18("5","10","3","6","2","6","1") = "9"
    & skf18("5","10","3","6","2","7","1") = "9"
    & skf18("5","10","3","6","2","8","1") = "9"
    & skf18("5","10","3","6","2","9","1") = "9"
    & skf18("5","10","3","6","2","10","1") = "9"
    & skf18("5","10","3","6","3","1","1") = "9"
    & skf18("5","10","3","6","3","2","1") = "9"
    & skf18("5","10","3","6","3","3","1") = "9"
    & skf18("5","10","3","6","3","4","1") = "9"
    & skf18("5","10","3","6","3","5","1") = "9"
    & skf18("5","10","3","6","3","6","1") = "9"
    & skf18("5","10","3","6","3","7","1") = "9"
    & skf18("5","10","3","6","3","8","1") = "9"
    & skf18("5","10","3","6","3","9","1") = "9"
    & skf18("5","10","3","6","3","10","1") = "9"
    & skf18("5","10","3","6","4","1","1") = "9"
    & skf18("5","10","3","6","4","2","1") = "9"
    & skf18("5","10","3","6","4","3","1") = "9"
    & skf18("5","10","3","6","4","4","1") = "9"
    & skf18("5","10","3","6","4","5","1") = "9"
    & skf18("5","10","3","6","4","6","1") = "9"
    & skf18("5","10","3","6","4","7","1") = "9"
    & skf18("5","10","3","6","4","8","1") = "9"
    & skf18("5","10","3","6","4","9","1") = "9"
    & skf18("5","10","3","6","4","10","1") = "9"
    & skf18("5","10","3","6","5","1","1") = "9"
    & skf18("5","10","3","6","5","2","1") = "9"
    & skf18("5","10","3","6","5","3","1") = "9"
    & skf18("5","10","3","6","5","4","1") = "9"
    & skf18("5","10","3","6","5","5","1") = "9"
    & skf18("5","10","3","6","5","6","1") = "9"
    & skf18("5","10","3","6","5","7","1") = "9"
    & skf18("5","10","3","6","5","8","1") = "9"
    & skf18("5","10","3","6","5","9","1") = "9"
    & skf18("5","10","3","6","5","10","1") = "9"
    & skf18("5","10","3","6","6","1","1") = "9"
    & skf18("5","10","3","6","6","2","1") = "9"
    & skf18("5","10","3","6","6","3","1") = "9"
    & skf18("5","10","3","6","6","4","1") = "9"
    & skf18("5","10","3","6","6","5","1") = "9"
    & skf18("5","10","3","6","6","6","1") = "9"
    & skf18("5","10","3","6","6","7","1") = "9"
    & skf18("5","10","3","6","6","8","1") = "9"
    & skf18("5","10","3","6","6","9","1") = "9"
    & skf18("5","10","3","6","6","10","1") = "9"
    & skf18("5","10","3","6","7","1","1") = "9"
    & skf18("5","10","3","6","7","2","1") = "9"
    & skf18("5","10","3","6","7","3","1") = "9"
    & skf18("5","10","3","6","7","4","1") = "9"
    & skf18("5","10","3","6","7","5","1") = "9"
    & skf18("5","10","3","6","7","6","1") = "9"
    & skf18("5","10","3","6","7","7","1") = "9"
    & skf18("5","10","3","6","7","8","1") = "9"
    & skf18("5","10","3","6","7","9","1") = "9"
    & skf18("5","10","3","6","7","10","1") = "9"
    & skf18("5","10","3","6","8","1","1") = "9"
    & skf18("5","10","3","6","8","2","1") = "9"
    & skf18("5","10","3","6","8","3","1") = "9"
    & skf18("5","10","3","6","8","4","1") = "9"
    & skf18("5","10","3","6","8","5","1") = "9"
    & skf18("5","10","3","6","8","6","1") = "9"
    & skf18("5","10","3","6","8","7","1") = "9"
    & skf18("5","10","3","6","8","8","1") = "9"
    & skf18("5","10","3","6","8","9","1") = "9"
    & skf18("5","10","3","6","8","10","1") = "9"
    & skf18("5","10","3","6","9","1","1") = "9"
    & skf18("5","10","3","6","9","2","1") = "9"
    & skf18("5","10","3","6","9","3","1") = "9"
    & skf18("5","10","3","6","9","4","1") = "9"
    & skf18("5","10","3","6","9","5","1") = "9"
    & skf18("5","10","3","6","9","6","1") = "9"
    & skf18("5","10","3","6","9","7","1") = "9"
    & skf18("5","10","3","6","9","8","1") = "9"
    & skf18("5","10","3","6","9","9","1") = "9"
    & skf18("5","10","3","6","9","10","1") = "9"
    & skf18("5","10","3","6","10","1","1") = "9"
    & skf18("5","10","3","6","10","2","1") = "9"
    & skf18("5","10","3","6","10","3","1") = "9"
    & skf18("5","10","3","6","10","4","1") = "9"
    & skf18("5","10","3","6","10","5","1") = "9"
    & skf18("5","10","3","6","10","6","1") = "9"
    & skf18("5","10","3","6","10","7","1") = "9"
    & skf18("5","10","3","6","10","8","1") = "9"
    & skf18("5","10","3","6","10","9","1") = "9"
    & skf18("5","10","3","6","10","10","1") = "9"
    & skf18("5","10","3","7","1","1","1") = "9"
    & skf18("5","10","3","7","1","2","1") = "9"
    & skf18("5","10","3","7","1","3","1") = "9"
    & skf18("5","10","3","7","1","4","1") = "9"
    & skf18("5","10","3","7","1","5","1") = "9"
    & skf18("5","10","3","7","1","6","1") = "9"
    & skf18("5","10","3","7","1","7","1") = "9"
    & skf18("5","10","3","7","1","8","1") = "9"
    & skf18("5","10","3","7","1","9","1") = "9"
    & skf18("5","10","3","7","1","10","1") = "9"
    & skf18("5","10","3","7","2","1","1") = "9"
    & skf18("5","10","3","7","2","2","1") = "9"
    & skf18("5","10","3","7","2","3","1") = "9"
    & skf18("5","10","3","7","2","4","1") = "9"
    & skf18("5","10","3","7","2","5","1") = "9"
    & skf18("5","10","3","7","2","6","1") = "9"
    & skf18("5","10","3","7","2","7","1") = "9"
    & skf18("5","10","3","7","2","8","1") = "9"
    & skf18("5","10","3","7","2","9","1") = "9"
    & skf18("5","10","3","7","2","10","1") = "9"
    & skf18("5","10","3","7","3","1","1") = "9"
    & skf18("5","10","3","7","3","2","1") = "9"
    & skf18("5","10","3","7","3","3","1") = "9"
    & skf18("5","10","3","7","3","4","1") = "9"
    & skf18("5","10","3","7","3","5","1") = "9"
    & skf18("5","10","3","7","3","6","1") = "9"
    & skf18("5","10","3","7","3","7","1") = "9"
    & skf18("5","10","3","7","3","8","1") = "9"
    & skf18("5","10","3","7","3","9","1") = "9"
    & skf18("5","10","3","7","3","10","1") = "9"
    & skf18("5","10","3","7","4","1","1") = "9"
    & skf18("5","10","3","7","4","2","1") = "9"
    & skf18("5","10","3","7","4","3","1") = "9"
    & skf18("5","10","3","7","4","4","1") = "9"
    & skf18("5","10","3","7","4","5","1") = "9"
    & skf18("5","10","3","7","4","6","1") = "9"
    & skf18("5","10","3","7","4","7","1") = "9"
    & skf18("5","10","3","7","4","8","1") = "9"
    & skf18("5","10","3","7","4","9","1") = "9"
    & skf18("5","10","3","7","4","10","1") = "9"
    & skf18("5","10","3","7","5","1","1") = "9"
    & skf18("5","10","3","7","5","2","1") = "9"
    & skf18("5","10","3","7","5","3","1") = "9"
    & skf18("5","10","3","7","5","4","1") = "9"
    & skf18("5","10","3","7","5","5","1") = "9"
    & skf18("5","10","3","7","5","6","1") = "9"
    & skf18("5","10","3","7","5","7","1") = "9"
    & skf18("5","10","3","7","5","8","1") = "9"
    & skf18("5","10","3","7","5","9","1") = "9"
    & skf18("5","10","3","7","5","10","1") = "9"
    & skf18("5","10","3","7","6","1","1") = "9"
    & skf18("5","10","3","7","6","2","1") = "9"
    & skf18("5","10","3","7","6","3","1") = "9"
    & skf18("5","10","3","7","6","4","1") = "9"
    & skf18("5","10","3","7","6","5","1") = "9"
    & skf18("5","10","3","7","6","6","1") = "9"
    & skf18("5","10","3","7","6","7","1") = "9"
    & skf18("5","10","3","7","6","8","1") = "9"
    & skf18("5","10","3","7","6","9","1") = "9"
    & skf18("5","10","3","7","6","10","1") = "9"
    & skf18("5","10","3","7","7","1","1") = "9"
    & skf18("5","10","3","7","7","2","1") = "9"
    & skf18("5","10","3","7","7","3","1") = "9"
    & skf18("5","10","3","7","7","4","1") = "9"
    & skf18("5","10","3","7","7","5","1") = "9"
    & skf18("5","10","3","7","7","6","1") = "9"
    & skf18("5","10","3","7","7","7","1") = "9"
    & skf18("5","10","3","7","7","8","1") = "9"
    & skf18("5","10","3","7","7","9","1") = "9"
    & skf18("5","10","3","7","7","10","1") = "9"
    & skf18("5","10","3","7","8","1","1") = "9"
    & skf18("5","10","3","7","8","2","1") = "9"
    & skf18("5","10","3","7","8","3","1") = "9"
    & skf18("5","10","3","7","8","4","1") = "9"
    & skf18("5","10","3","7","8","5","1") = "9"
    & skf18("5","10","3","7","8","6","1") = "9"
    & skf18("5","10","3","7","8","7","1") = "9"
    & skf18("5","10","3","7","8","8","1") = "9"
    & skf18("5","10","3","7","8","9","1") = "9"
    & skf18("5","10","3","7","8","10","1") = "9"
    & skf18("5","10","3","7","9","1","1") = "9"
    & skf18("5","10","3","7","9","2","1") = "9"
    & skf18("5","10","3","7","9","3","1") = "9"
    & skf18("5","10","3","7","9","4","1") = "9"
    & skf18("5","10","3","7","9","5","1") = "9"
    & skf18("5","10","3","7","9","6","1") = "9"
    & skf18("5","10","3","7","9","7","1") = "9"
    & skf18("5","10","3","7","9","8","1") = "9"
    & skf18("5","10","3","7","9","9","1") = "9"
    & skf18("5","10","3","7","9","10","1") = "9"
    & skf18("5","10","3","7","10","1","1") = "9"
    & skf18("5","10","3","7","10","2","1") = "9"
    & skf18("5","10","3","7","10","3","1") = "9"
    & skf18("5","10","3","7","10","4","1") = "9"
    & skf18("5","10","3","7","10","5","1") = "9"
    & skf18("5","10","3","7","10","6","1") = "9"
    & skf18("5","10","3","7","10","7","1") = "9"
    & skf18("5","10","3","7","10","8","1") = "9"
    & skf18("5","10","3","7","10","9","1") = "9"
    & skf18("5","10","3","7","10","10","1") = "9"
    & skf18("5","10","3","8","1","1","1") = "9"
    & skf18("5","10","3","8","1","2","1") = "9"
    & skf18("5","10","3","8","1","3","1") = "9"
    & skf18("5","10","3","8","1","4","1") = "9"
    & skf18("5","10","3","8","1","5","1") = "9"
    & skf18("5","10","3","8","1","6","1") = "9"
    & skf18("5","10","3","8","1","7","1") = "9"
    & skf18("5","10","3","8","1","8","1") = "9"
    & skf18("5","10","3","8","1","9","1") = "9"
    & skf18("5","10","3","8","1","10","1") = "9"
    & skf18("5","10","3","8","2","1","1") = "9"
    & skf18("5","10","3","8","2","2","1") = "9"
    & skf18("5","10","3","8","2","3","1") = "9"
    & skf18("5","10","3","8","2","4","1") = "9"
    & skf18("5","10","3","8","2","5","1") = "9"
    & skf18("5","10","3","8","2","6","1") = "9"
    & skf18("5","10","3","8","2","7","1") = "9"
    & skf18("5","10","3","8","2","8","1") = "9"
    & skf18("5","10","3","8","2","9","1") = "9"
    & skf18("5","10","3","8","2","10","1") = "9"
    & skf18("5","10","3","8","3","1","1") = "9"
    & skf18("5","10","3","8","3","2","1") = "9"
    & skf18("5","10","3","8","3","3","1") = "9"
    & skf18("5","10","3","8","3","4","1") = "9"
    & skf18("5","10","3","8","3","5","1") = "9"
    & skf18("5","10","3","8","3","6","1") = "9"
    & skf18("5","10","3","8","3","7","1") = "9"
    & skf18("5","10","3","8","3","8","1") = "9"
    & skf18("5","10","3","8","3","9","1") = "9"
    & skf18("5","10","3","8","3","10","1") = "9"
    & skf18("5","10","3","8","4","1","1") = "9"
    & skf18("5","10","3","8","4","2","1") = "9"
    & skf18("5","10","3","8","4","3","1") = "9"
    & skf18("5","10","3","8","4","4","1") = "9"
    & skf18("5","10","3","8","4","5","1") = "9"
    & skf18("5","10","3","8","4","6","1") = "9"
    & skf18("5","10","3","8","4","7","1") = "9"
    & skf18("5","10","3","8","4","8","1") = "9"
    & skf18("5","10","3","8","4","9","1") = "9"
    & skf18("5","10","3","8","4","10","1") = "9"
    & skf18("5","10","3","8","5","1","1") = "9"
    & skf18("5","10","3","8","5","2","1") = "9"
    & skf18("5","10","3","8","5","3","1") = "9"
    & skf18("5","10","3","8","5","4","1") = "9"
    & skf18("5","10","3","8","5","5","1") = "9"
    & skf18("5","10","3","8","5","6","1") = "9"
    & skf18("5","10","3","8","5","7","1") = "9"
    & skf18("5","10","3","8","5","8","1") = "9"
    & skf18("5","10","3","8","5","9","1") = "9"
    & skf18("5","10","3","8","5","10","1") = "9"
    & skf18("5","10","3","8","6","1","1") = "9"
    & skf18("5","10","3","8","6","2","1") = "9"
    & skf18("5","10","3","8","6","3","1") = "9"
    & skf18("5","10","3","8","6","4","1") = "9"
    & skf18("5","10","3","8","6","5","1") = "9"
    & skf18("5","10","3","8","6","6","1") = "9"
    & skf18("5","10","3","8","6","7","1") = "9"
    & skf18("5","10","3","8","6","8","1") = "9"
    & skf18("5","10","3","8","6","9","1") = "9"
    & skf18("5","10","3","8","6","10","1") = "9"
    & skf18("5","10","3","8","7","1","1") = "9"
    & skf18("5","10","3","8","7","2","1") = "9"
    & skf18("5","10","3","8","7","3","1") = "9"
    & skf18("5","10","3","8","7","4","1") = "9"
    & skf18("5","10","3","8","7","5","1") = "9"
    & skf18("5","10","3","8","7","6","1") = "9"
    & skf18("5","10","3","8","7","7","1") = "9"
    & skf18("5","10","3","8","7","8","1") = "9"
    & skf18("5","10","3","8","7","9","1") = "9"
    & skf18("5","10","3","8","7","10","1") = "9"
    & skf18("5","10","3","8","8","1","1") = "9"
    & skf18("5","10","3","8","8","2","1") = "9"
    & skf18("5","10","3","8","8","3","1") = "9"
    & skf18("5","10","3","8","8","4","1") = "9"
    & skf18("5","10","3","8","8","5","1") = "9"
    & skf18("5","10","3","8","8","6","1") = "9"
    & skf18("5","10","3","8","8","7","1") = "9"
    & skf18("5","10","3","8","8","8","1") = "9"
    & skf18("5","10","3","8","8","9","1") = "9"
    & skf18("5","10","3","8","8","10","1") = "9"
    & skf18("5","10","3","8","9","1","1") = "9"
    & skf18("5","10","3","8","9","2","1") = "9"
    & skf18("5","10","3","8","9","3","1") = "9"
    & skf18("5","10","3","8","9","4","1") = "9"
    & skf18("5","10","3","8","9","5","1") = "9"
    & skf18("5","10","3","8","9","6","1") = "9"
    & skf18("5","10","3","8","9","7","1") = "9"
    & skf18("5","10","3","8","9","8","1") = "9"
    & skf18("5","10","3","8","9","9","1") = "9"
    & skf18("5","10","3","8","9","10","1") = "9"
    & skf18("5","10","3","8","10","1","1") = "9"
    & skf18("5","10","3","8","10","2","1") = "9"
    & skf18("5","10","3","8","10","3","1") = "9"
    & skf18("5","10","3","8","10","4","1") = "9"
    & skf18("5","10","3","8","10","5","1") = "9"
    & skf18("5","10","3","8","10","6","1") = "9"
    & skf18("5","10","3","8","10","7","1") = "9"
    & skf18("5","10","3","8","10","8","1") = "9"
    & skf18("5","10","3","8","10","9","1") = "9"
    & skf18("5","10","3","8","10","10","1") = "9"
    & skf18("5","10","3","9","1","1","1") = "9"
    & skf18("5","10","3","9","1","2","1") = "9"
    & skf18("5","10","3","9","1","3","1") = "9"
    & skf18("5","10","3","9","1","4","1") = "9"
    & skf18("5","10","3","9","1","5","1") = "9"
    & skf18("5","10","3","9","1","6","1") = "9"
    & skf18("5","10","3","9","1","7","1") = "9"
    & skf18("5","10","3","9","1","8","1") = "9"
    & skf18("5","10","3","9","1","9","1") = "9"
    & skf18("5","10","3","9","1","10","1") = "9"
    & skf18("5","10","3","9","2","1","1") = "9"
    & skf18("5","10","3","9","2","2","1") = "9"
    & skf18("5","10","3","9","2","3","1") = "9"
    & skf18("5","10","3","9","2","4","1") = "9"
    & skf18("5","10","3","9","2","5","1") = "9"
    & skf18("5","10","3","9","2","6","1") = "9"
    & skf18("5","10","3","9","2","7","1") = "9"
    & skf18("5","10","3","9","2","8","1") = "9"
    & skf18("5","10","3","9","2","9","1") = "9"
    & skf18("5","10","3","9","2","10","1") = "9"
    & skf18("5","10","3","9","3","1","1") = "9"
    & skf18("5","10","3","9","3","2","1") = "9"
    & skf18("5","10","3","9","3","3","1") = "9"
    & skf18("5","10","3","9","3","4","1") = "9"
    & skf18("5","10","3","9","3","5","1") = "9"
    & skf18("5","10","3","9","3","6","1") = "9"
    & skf18("5","10","3","9","3","7","1") = "9"
    & skf18("5","10","3","9","3","8","1") = "9"
    & skf18("5","10","3","9","3","9","1") = "9"
    & skf18("5","10","3","9","3","10","1") = "9"
    & skf18("5","10","3","9","4","1","1") = "9"
    & skf18("5","10","3","9","4","2","1") = "9"
    & skf18("5","10","3","9","4","3","1") = "9"
    & skf18("5","10","3","9","4","4","1") = "9"
    & skf18("5","10","3","9","4","5","1") = "9"
    & skf18("5","10","3","9","4","6","1") = "9"
    & skf18("5","10","3","9","4","7","1") = "9"
    & skf18("5","10","3","9","4","8","1") = "9"
    & skf18("5","10","3","9","4","9","1") = "9"
    & skf18("5","10","3","9","4","10","1") = "9"
    & skf18("5","10","3","9","5","1","1") = "9"
    & skf18("5","10","3","9","5","2","1") = "9"
    & skf18("5","10","3","9","5","3","1") = "9"
    & skf18("5","10","3","9","5","4","1") = "9"
    & skf18("5","10","3","9","5","5","1") = "9"
    & skf18("5","10","3","9","5","6","1") = "9"
    & skf18("5","10","3","9","5","7","1") = "9"
    & skf18("5","10","3","9","5","8","1") = "9"
    & skf18("5","10","3","9","5","9","1") = "9"
    & skf18("5","10","3","9","5","10","1") = "9"
    & skf18("5","10","3","9","6","1","1") = "9"
    & skf18("5","10","3","9","6","2","1") = "9"
    & skf18("5","10","3","9","6","3","1") = "9"
    & skf18("5","10","3","9","6","4","1") = "9"
    & skf18("5","10","3","9","6","5","1") = "9"
    & skf18("5","10","3","9","6","6","1") = "9"
    & skf18("5","10","3","9","6","7","1") = "9"
    & skf18("5","10","3","9","6","8","1") = "9"
    & skf18("5","10","3","9","6","9","1") = "9"
    & skf18("5","10","3","9","6","10","1") = "9"
    & skf18("5","10","3","9","7","1","1") = "9"
    & skf18("5","10","3","9","7","2","1") = "9"
    & skf18("5","10","3","9","7","3","1") = "9"
    & skf18("5","10","3","9","7","4","1") = "9"
    & skf18("5","10","3","9","7","5","1") = "9"
    & skf18("5","10","3","9","7","6","1") = "9"
    & skf18("5","10","3","9","7","7","1") = "9"
    & skf18("5","10","3","9","7","8","1") = "9"
    & skf18("5","10","3","9","7","9","1") = "9"
    & skf18("5","10","3","9","7","10","1") = "9"
    & skf18("5","10","3","9","8","1","1") = "9"
    & skf18("5","10","3","9","8","2","1") = "9"
    & skf18("5","10","3","9","8","3","1") = "9"
    & skf18("5","10","3","9","8","4","1") = "9"
    & skf18("5","10","3","9","8","5","1") = "9"
    & skf18("5","10","3","9","8","6","1") = "9"
    & skf18("5","10","3","9","8","7","1") = "9"
    & skf18("5","10","3","9","8","8","1") = "9"
    & skf18("5","10","3","9","8","9","1") = "9"
    & skf18("5","10","3","9","8","10","1") = "9"
    & skf18("5","10","3","9","9","1","1") = "9"
    & skf18("5","10","3","9","9","2","1") = "9"
    & skf18("5","10","3","9","9","3","1") = "9"
    & skf18("5","10","3","9","9","4","1") = "9"
    & skf18("5","10","3","9","9","5","1") = "9"
    & skf18("5","10","3","9","9","6","1") = "9"
    & skf18("5","10","3","9","9","7","1") = "9"
    & skf18("5","10","3","9","9","8","1") = "9"
    & skf18("5","10","3","9","9","9","1") = "9"
    & skf18("5","10","3","9","9","10","1") = "9"
    & skf18("5","10","3","9","10","1","1") = "9"
    & skf18("5","10","3","9","10","2","1") = "9"
    & skf18("5","10","3","9","10","3","1") = "9"
    & skf18("5","10","3","9","10","4","1") = "9"
    & skf18("5","10","3","9","10","5","1") = "9"
    & skf18("5","10","3","9","10","6","1") = "9"
    & skf18("5","10","3","9","10","7","1") = "9"
    & skf18("5","10","3","9","10","8","1") = "9"
    & skf18("5","10","3","9","10","9","1") = "9"
    & skf18("5","10","3","9","10","10","1") = "9"
    & skf18("5","10","3","10","1","1","1") = "9"
    & skf18("5","10","3","10","1","2","1") = "9"
    & skf18("5","10","3","10","1","3","1") = "9"
    & skf18("5","10","3","10","1","4","1") = "9"
    & skf18("5","10","3","10","1","5","1") = "9"
    & skf18("5","10","3","10","1","6","1") = "9"
    & skf18("5","10","3","10","1","7","1") = "9"
    & skf18("5","10","3","10","1","8","1") = "9"
    & skf18("5","10","3","10","1","9","1") = "9"
    & skf18("5","10","3","10","1","10","1") = "9"
    & skf18("5","10","3","10","2","1","1") = "9"
    & skf18("5","10","3","10","2","2","1") = "9"
    & skf18("5","10","3","10","2","3","1") = "9"
    & skf18("5","10","3","10","2","4","1") = "9"
    & skf18("5","10","3","10","2","5","1") = "9"
    & skf18("5","10","3","10","2","6","1") = "9"
    & skf18("5","10","3","10","2","7","1") = "9"
    & skf18("5","10","3","10","2","8","1") = "9"
    & skf18("5","10","3","10","2","9","1") = "9"
    & skf18("5","10","3","10","2","10","1") = "9"
    & skf18("5","10","3","10","3","1","1") = "9"
    & skf18("5","10","3","10","3","2","1") = "9"
    & skf18("5","10","3","10","3","3","1") = "9"
    & skf18("5","10","3","10","3","4","1") = "9"
    & skf18("5","10","3","10","3","5","1") = "9"
    & skf18("5","10","3","10","3","6","1") = "9"
    & skf18("5","10","3","10","3","7","1") = "9"
    & skf18("5","10","3","10","3","8","1") = "9"
    & skf18("5","10","3","10","3","9","1") = "9"
    & skf18("5","10","3","10","3","10","1") = "9"
    & skf18("5","10","3","10","4","1","1") = "9"
    & skf18("5","10","3","10","4","2","1") = "9"
    & skf18("5","10","3","10","4","3","1") = "9"
    & skf18("5","10","3","10","4","4","1") = "9"
    & skf18("5","10","3","10","4","5","1") = "9"
    & skf18("5","10","3","10","4","6","1") = "9"
    & skf18("5","10","3","10","4","7","1") = "9"
    & skf18("5","10","3","10","4","8","1") = "9"
    & skf18("5","10","3","10","4","9","1") = "9"
    & skf18("5","10","3","10","4","10","1") = "9"
    & skf18("5","10","3","10","5","1","1") = "9"
    & skf18("5","10","3","10","5","2","1") = "9"
    & skf18("5","10","3","10","5","3","1") = "9"
    & skf18("5","10","3","10","5","4","1") = "9"
    & skf18("5","10","3","10","5","5","1") = "9"
    & skf18("5","10","3","10","5","6","1") = "9"
    & skf18("5","10","3","10","5","7","1") = "9"
    & skf18("5","10","3","10","5","8","1") = "9"
    & skf18("5","10","3","10","5","9","1") = "9"
    & skf18("5","10","3","10","5","10","1") = "9"
    & skf18("5","10","3","10","6","1","1") = "9"
    & skf18("5","10","3","10","6","2","1") = "9"
    & skf18("5","10","3","10","6","3","1") = "9"
    & skf18("5","10","3","10","6","4","1") = "9"
    & skf18("5","10","3","10","6","5","1") = "9"
    & skf18("5","10","3","10","6","6","1") = "9"
    & skf18("5","10","3","10","6","7","1") = "9"
    & skf18("5","10","3","10","6","8","1") = "9"
    & skf18("5","10","3","10","6","9","1") = "9"
    & skf18("5","10","3","10","6","10","1") = "9"
    & skf18("5","10","3","10","7","1","1") = "9"
    & skf18("5","10","3","10","7","2","1") = "9"
    & skf18("5","10","3","10","7","3","1") = "9"
    & skf18("5","10","3","10","7","4","1") = "9"
    & skf18("5","10","3","10","7","5","1") = "9"
    & skf18("5","10","3","10","7","6","1") = "9"
    & skf18("5","10","3","10","7","7","1") = "9"
    & skf18("5","10","3","10","7","8","1") = "9"
    & skf18("5","10","3","10","7","9","1") = "9"
    & skf18("5","10","3","10","7","10","1") = "9"
    & skf18("5","10","3","10","8","1","1") = "9"
    & skf18("5","10","3","10","8","2","1") = "9"
    & skf18("5","10","3","10","8","3","1") = "9"
    & skf18("5","10","3","10","8","4","1") = "9"
    & skf18("5","10","3","10","8","5","1") = "9"
    & skf18("5","10","3","10","8","6","1") = "9"
    & skf18("5","10","3","10","8","7","1") = "9"
    & skf18("5","10","3","10","8","8","1") = "9"
    & skf18("5","10","3","10","8","9","1") = "9"
    & skf18("5","10","3","10","8","10","1") = "9"
    & skf18("5","10","3","10","9","1","1") = "9"
    & skf18("5","10","3","10","9","2","1") = "9"
    & skf18("5","10","3","10","9","3","1") = "9"
    & skf18("5","10","3","10","9","4","1") = "9"
    & skf18("5","10","3","10","9","5","1") = "9"
    & skf18("5","10","3","10","9","6","1") = "9"
    & skf18("5","10","3","10","9","7","1") = "9"
    & skf18("5","10","3","10","9","8","1") = "9"
    & skf18("5","10","3","10","9","9","1") = "9"
    & skf18("5","10","3","10","9","10","1") = "9"
    & skf18("5","10","3","10","10","1","1") = "9"
    & skf18("5","10","3","10","10","2","1") = "9"
    & skf18("5","10","3","10","10","3","1") = "9"
    & skf18("5","10","3","10","10","4","1") = "9"
    & skf18("5","10","3","10","10","5","1") = "9"
    & skf18("5","10","3","10","10","6","1") = "9"
    & skf18("5","10","3","10","10","7","1") = "9"
    & skf18("5","10","3","10","10","8","1") = "9"
    & skf18("5","10","3","10","10","9","1") = "9"
    & skf18("5","10","3","10","10","10","1") = "9"
    & skf18("5","10","4","1","1","1","1") = "9"
    & skf18("5","10","4","1","1","2","1") = "9"
    & skf18("5","10","4","1","1","3","1") = "9"
    & skf18("5","10","4","1","1","4","1") = "9"
    & skf18("5","10","4","1","1","5","1") = "9"
    & skf18("5","10","4","1","1","6","1") = "9"
    & skf18("5","10","4","1","1","7","1") = "9"
    & skf18("5","10","4","1","1","8","1") = "9"
    & skf18("5","10","4","1","1","9","1") = "9"
    & skf18("5","10","4","1","1","10","1") = "9"
    & skf18("5","10","4","1","2","1","1") = "9"
    & skf18("5","10","4","1","2","2","1") = "9"
    & skf18("5","10","4","1","2","3","1") = "9"
    & skf18("5","10","4","1","2","4","1") = "9"
    & skf18("5","10","4","1","2","5","1") = "9"
    & skf18("5","10","4","1","2","6","1") = "9"
    & skf18("5","10","4","1","2","7","1") = "9"
    & skf18("5","10","4","1","2","8","1") = "9"
    & skf18("5","10","4","1","2","9","1") = "9"
    & skf18("5","10","4","1","2","10","1") = "9"
    & skf18("5","10","4","1","3","1","1") = "9"
    & skf18("5","10","4","1","3","2","1") = "9"
    & skf18("5","10","4","1","3","3","1") = "9"
    & skf18("5","10","4","1","3","4","1") = "9"
    & skf18("5","10","4","1","3","5","1") = "9"
    & skf18("5","10","4","1","3","6","1") = "9"
    & skf18("5","10","4","1","3","7","1") = "9"
    & skf18("5","10","4","1","3","8","1") = "9"
    & skf18("5","10","4","1","3","9","1") = "9"
    & skf18("5","10","4","1","3","10","1") = "9"
    & skf18("5","10","4","1","4","1","1") = "9"
    & skf18("5","10","4","1","4","2","1") = "9"
    & skf18("5","10","4","1","4","3","1") = "9"
    & skf18("5","10","4","1","4","4","1") = "9"
    & skf18("5","10","4","1","4","5","1") = "9"
    & skf18("5","10","4","1","4","6","1") = "9"
    & skf18("5","10","4","1","4","7","1") = "9"
    & skf18("5","10","4","1","4","8","1") = "9"
    & skf18("5","10","4","1","4","9","1") = "9"
    & skf18("5","10","4","1","4","10","1") = "9"
    & skf18("5","10","4","1","5","1","1") = "9"
    & skf18("5","10","4","1","5","2","1") = "9"
    & skf18("5","10","4","1","5","3","1") = "9"
    & skf18("5","10","4","1","5","4","1") = "9"
    & skf18("5","10","4","1","5","5","1") = "9"
    & skf18("5","10","4","1","5","6","1") = "9"
    & skf18("5","10","4","1","5","7","1") = "9"
    & skf18("5","10","4","1","5","8","1") = "9"
    & skf18("5","10","4","1","5","9","1") = "9"
    & skf18("5","10","4","1","5","10","1") = "9"
    & skf18("5","10","4","1","6","1","1") = "9"
    & skf18("5","10","4","1","6","2","1") = "9"
    & skf18("5","10","4","1","6","3","1") = "9"
    & skf18("5","10","4","1","6","4","1") = "9"
    & skf18("5","10","4","1","6","5","1") = "9"
    & skf18("5","10","4","1","6","6","1") = "9"
    & skf18("5","10","4","1","6","7","1") = "9"
    & skf18("5","10","4","1","6","8","1") = "9"
    & skf18("5","10","4","1","6","9","1") = "9"
    & skf18("5","10","4","1","6","10","1") = "9"
    & skf18("5","10","4","1","7","1","1") = "9"
    & skf18("5","10","4","1","7","2","1") = "9"
    & skf18("5","10","4","1","7","3","1") = "9"
    & skf18("5","10","4","1","7","4","1") = "9"
    & skf18("5","10","4","1","7","5","1") = "9"
    & skf18("5","10","4","1","7","6","1") = "9"
    & skf18("5","10","4","1","7","7","1") = "9"
    & skf18("5","10","4","1","7","8","1") = "9"
    & skf18("5","10","4","1","7","9","1") = "9"
    & skf18("5","10","4","1","7","10","1") = "9"
    & skf18("5","10","4","1","8","1","1") = "9"
    & skf18("5","10","4","1","8","2","1") = "9"
    & skf18("5","10","4","1","8","3","1") = "9"
    & skf18("5","10","4","1","8","4","1") = "9"
    & skf18("5","10","4","1","8","5","1") = "9"
    & skf18("5","10","4","1","8","6","1") = "9"
    & skf18("5","10","4","1","8","7","1") = "9"
    & skf18("5","10","4","1","8","8","1") = "9"
    & skf18("5","10","4","1","8","9","1") = "9"
    & skf18("5","10","4","1","8","10","1") = "9"
    & skf18("5","10","4","1","9","1","1") = "9"
    & skf18("5","10","4","1","9","2","1") = "9"
    & skf18("5","10","4","1","9","3","1") = "9"
    & skf18("5","10","4","1","9","4","1") = "9"
    & skf18("5","10","4","1","9","5","1") = "9"
    & skf18("5","10","4","1","9","6","1") = "9"
    & skf18("5","10","4","1","9","7","1") = "9"
    & skf18("5","10","4","1","9","8","1") = "9"
    & skf18("5","10","4","1","9","9","1") = "9"
    & skf18("5","10","4","1","9","10","1") = "9"
    & skf18("5","10","4","1","10","1","1") = "9"
    & skf18("5","10","4","1","10","2","1") = "9"
    & skf18("5","10","4","1","10","3","1") = "9"
    & skf18("5","10","4","1","10","4","1") = "9"
    & skf18("5","10","4","1","10","5","1") = "9"
    & skf18("5","10","4","1","10","6","1") = "9"
    & skf18("5","10","4","1","10","7","1") = "9"
    & skf18("5","10","4","1","10","8","1") = "9"
    & skf18("5","10","4","1","10","9","1") = "9"
    & skf18("5","10","4","1","10","10","1") = "9"
    & skf18("5","10","4","2","1","1","1") = "9"
    & skf18("5","10","4","2","1","2","1") = "9"
    & skf18("5","10","4","2","1","3","1") = "9"
    & skf18("5","10","4","2","1","4","1") = "9"
    & skf18("5","10","4","2","1","5","1") = "9"
    & skf18("5","10","4","2","1","6","1") = "9"
    & skf18("5","10","4","2","1","7","1") = "9"
    & skf18("5","10","4","2","1","8","1") = "9"
    & skf18("5","10","4","2","1","9","1") = "9"
    & skf18("5","10","4","2","1","10","1") = "9"
    & skf18("5","10","4","2","2","1","1") = "9"
    & skf18("5","10","4","2","2","2","1") = "9"
    & skf18("5","10","4","2","2","3","1") = "9"
    & skf18("5","10","4","2","2","4","1") = "9"
    & skf18("5","10","4","2","2","5","1") = "9"
    & skf18("5","10","4","2","2","6","1") = "9"
    & skf18("5","10","4","2","2","7","1") = "9"
    & skf18("5","10","4","2","2","8","1") = "9"
    & skf18("5","10","4","2","2","9","1") = "9"
    & skf18("5","10","4","2","2","10","1") = "9"
    & skf18("5","10","4","2","3","1","1") = "9"
    & skf18("5","10","4","2","3","2","1") = "9"
    & skf18("5","10","4","2","3","3","1") = "9"
    & skf18("5","10","4","2","3","4","1") = "9"
    & skf18("5","10","4","2","3","5","1") = "9"
    & skf18("5","10","4","2","3","6","1") = "9"
    & skf18("5","10","4","2","3","7","1") = "9"
    & skf18("5","10","4","2","3","8","1") = "9"
    & skf18("5","10","4","2","3","9","1") = "9"
    & skf18("5","10","4","2","3","10","1") = "9"
    & skf18("5","10","4","2","4","1","1") = "9"
    & skf18("5","10","4","2","4","2","1") = "9"
    & skf18("5","10","4","2","4","3","1") = "9"
    & skf18("5","10","4","2","4","4","1") = "9"
    & skf18("5","10","4","2","4","5","1") = "9"
    & skf18("5","10","4","2","4","6","1") = "9"
    & skf18("5","10","4","2","4","7","1") = "9"
    & skf18("5","10","4","2","4","8","1") = "9"
    & skf18("5","10","4","2","4","9","1") = "9"
    & skf18("5","10","4","2","4","10","1") = "9"
    & skf18("5","10","4","2","5","1","1") = "9"
    & skf18("5","10","4","2","5","2","1") = "9"
    & skf18("5","10","4","2","5","3","1") = "9"
    & skf18("5","10","4","2","5","4","1") = "9"
    & skf18("5","10","4","2","5","5","1") = "9"
    & skf18("5","10","4","2","5","6","1") = "9"
    & skf18("5","10","4","2","5","7","1") = "9"
    & skf18("5","10","4","2","5","8","1") = "9"
    & skf18("5","10","4","2","5","9","1") = "9"
    & skf18("5","10","4","2","5","10","1") = "9"
    & skf18("5","10","4","2","6","1","1") = "9"
    & skf18("5","10","4","2","6","2","1") = "9"
    & skf18("5","10","4","2","6","3","1") = "9"
    & skf18("5","10","4","2","6","4","1") = "9"
    & skf18("5","10","4","2","6","5","1") = "9"
    & skf18("5","10","4","2","6","6","1") = "9"
    & skf18("5","10","4","2","6","7","1") = "9"
    & skf18("5","10","4","2","6","8","1") = "9"
    & skf18("5","10","4","2","6","9","1") = "9"
    & skf18("5","10","4","2","6","10","1") = "9"
    & skf18("5","10","4","2","7","1","1") = "9"
    & skf18("5","10","4","2","7","2","1") = "9"
    & skf18("5","10","4","2","7","3","1") = "9"
    & skf18("5","10","4","2","7","4","1") = "9"
    & skf18("5","10","4","2","7","5","1") = "9"
    & skf18("5","10","4","2","7","6","1") = "9"
    & skf18("5","10","4","2","7","7","1") = "9"
    & skf18("5","10","4","2","7","8","1") = "9"
    & skf18("5","10","4","2","7","9","1") = "9"
    & skf18("5","10","4","2","7","10","1") = "9"
    & skf18("5","10","4","2","8","1","1") = "9"
    & skf18("5","10","4","2","8","2","1") = "9"
    & skf18("5","10","4","2","8","3","1") = "9"
    & skf18("5","10","4","2","8","4","1") = "9"
    & skf18("5","10","4","2","8","5","1") = "9"
    & skf18("5","10","4","2","8","6","1") = "9"
    & skf18("5","10","4","2","8","7","1") = "9"
    & skf18("5","10","4","2","8","8","1") = "9"
    & skf18("5","10","4","2","8","9","1") = "9"
    & skf18("5","10","4","2","8","10","1") = "9"
    & skf18("5","10","4","2","9","1","1") = "9"
    & skf18("5","10","4","2","9","2","1") = "9"
    & skf18("5","10","4","2","9","3","1") = "9"
    & skf18("5","10","4","2","9","4","1") = "9"
    & skf18("5","10","4","2","9","5","1") = "9"
    & skf18("5","10","4","2","9","6","1") = "9"
    & skf18("5","10","4","2","9","7","1") = "9"
    & skf18("5","10","4","2","9","8","1") = "9"
    & skf18("5","10","4","2","9","9","1") = "9"
    & skf18("5","10","4","2","9","10","1") = "9"
    & skf18("5","10","4","2","10","1","1") = "9"
    & skf18("5","10","4","2","10","2","1") = "9"
    & skf18("5","10","4","2","10","3","1") = "9"
    & skf18("5","10","4","2","10","4","1") = "9"
    & skf18("5","10","4","2","10","5","1") = "9"
    & skf18("5","10","4","2","10","6","1") = "9"
    & skf18("5","10","4","2","10","7","1") = "9"
    & skf18("5","10","4","2","10","8","1") = "9"
    & skf18("5","10","4","2","10","9","1") = "9"
    & skf18("5","10","4","2","10","10","1") = "9"
    & skf18("5","10","4","3","1","1","1") = "9"
    & skf18("5","10","4","3","1","2","1") = "9"
    & skf18("5","10","4","3","1","3","1") = "9"
    & skf18("5","10","4","3","1","4","1") = "9"
    & skf18("5","10","4","3","1","5","1") = "9"
    & skf18("5","10","4","3","1","6","1") = "9"
    & skf18("5","10","4","3","1","7","1") = "9"
    & skf18("5","10","4","3","1","8","1") = "9"
    & skf18("5","10","4","3","1","9","1") = "9"
    & skf18("5","10","4","3","1","10","1") = "9"
    & skf18("5","10","4","3","2","1","1") = "9"
    & skf18("5","10","4","3","2","2","1") = "9"
    & skf18("5","10","4","3","2","3","1") = "9"
    & skf18("5","10","4","3","2","4","1") = "9"
    & skf18("5","10","4","3","2","5","1") = "9"
    & skf18("5","10","4","3","2","6","1") = "9"
    & skf18("5","10","4","3","2","7","1") = "9"
    & skf18("5","10","4","3","2","8","1") = "9"
    & skf18("5","10","4","3","2","9","1") = "9"
    & skf18("5","10","4","3","2","10","1") = "9"
    & skf18("5","10","4","3","3","1","1") = "9"
    & skf18("5","10","4","3","3","2","1") = "9"
    & skf18("5","10","4","3","3","3","1") = "9"
    & skf18("5","10","4","3","3","4","1") = "9"
    & skf18("5","10","4","3","3","5","1") = "9"
    & skf18("5","10","4","3","3","6","1") = "9"
    & skf18("5","10","4","3","3","7","1") = "9"
    & skf18("5","10","4","3","3","8","1") = "9"
    & skf18("5","10","4","3","3","9","1") = "9"
    & skf18("5","10","4","3","3","10","1") = "9"
    & skf18("5","10","4","3","4","1","1") = "9"
    & skf18("5","10","4","3","4","2","1") = "9"
    & skf18("5","10","4","3","4","3","1") = "9"
    & skf18("5","10","4","3","4","4","1") = "9"
    & skf18("5","10","4","3","4","5","1") = "9"
    & skf18("5","10","4","3","4","6","1") = "9"
    & skf18("5","10","4","3","4","7","1") = "9"
    & skf18("5","10","4","3","4","8","1") = "9"
    & skf18("5","10","4","3","4","9","1") = "9"
    & skf18("5","10","4","3","4","10","1") = "9"
    & skf18("5","10","4","3","5","1","1") = "9"
    & skf18("5","10","4","3","5","2","1") = "9"
    & skf18("5","10","4","3","5","3","1") = "9"
    & skf18("5","10","4","3","5","4","1") = "9"
    & skf18("5","10","4","3","5","5","1") = "9"
    & skf18("5","10","4","3","5","6","1") = "9"
    & skf18("5","10","4","3","5","7","1") = "9"
    & skf18("5","10","4","3","5","8","1") = "9"
    & skf18("5","10","4","3","5","9","1") = "9"
    & skf18("5","10","4","3","5","10","1") = "9"
    & skf18("5","10","4","3","6","1","1") = "9"
    & skf18("5","10","4","3","6","2","1") = "9"
    & skf18("5","10","4","3","6","3","1") = "9"
    & skf18("5","10","4","3","6","4","1") = "9"
    & skf18("5","10","4","3","6","5","1") = "9"
    & skf18("5","10","4","3","6","6","1") = "9"
    & skf18("5","10","4","3","6","7","1") = "9"
    & skf18("5","10","4","3","6","8","1") = "9"
    & skf18("5","10","4","3","6","9","1") = "9"
    & skf18("5","10","4","3","6","10","1") = "9"
    & skf18("5","10","4","3","7","1","1") = "9"
    & skf18("5","10","4","3","7","2","1") = "9"
    & skf18("5","10","4","3","7","3","1") = "9"
    & skf18("5","10","4","3","7","4","1") = "9"
    & skf18("5","10","4","3","7","5","1") = "9"
    & skf18("5","10","4","3","7","6","1") = "9"
    & skf18("5","10","4","3","7","7","1") = "9"
    & skf18("5","10","4","3","7","8","1") = "9"
    & skf18("5","10","4","3","7","9","1") = "9"
    & skf18("5","10","4","3","7","10","1") = "9"
    & skf18("5","10","4","3","8","1","1") = "9"
    & skf18("5","10","4","3","8","2","1") = "9"
    & skf18("5","10","4","3","8","3","1") = "9"
    & skf18("5","10","4","3","8","4","1") = "9"
    & skf18("5","10","4","3","8","5","1") = "9"
    & skf18("5","10","4","3","8","6","1") = "9"
    & skf18("5","10","4","3","8","7","1") = "9"
    & skf18("5","10","4","3","8","8","1") = "9"
    & skf18("5","10","4","3","8","9","1") = "9"
    & skf18("5","10","4","3","8","10","1") = "9"
    & skf18("5","10","4","3","9","1","1") = "9"
    & skf18("5","10","4","3","9","2","1") = "9"
    & skf18("5","10","4","3","9","3","1") = "9"
    & skf18("5","10","4","3","9","4","1") = "9"
    & skf18("5","10","4","3","9","5","1") = "9"
    & skf18("5","10","4","3","9","6","1") = "9"
    & skf18("5","10","4","3","9","7","1") = "9"
    & skf18("5","10","4","3","9","8","1") = "9"
    & skf18("5","10","4","3","9","9","1") = "9"
    & skf18("5","10","4","3","9","10","1") = "9"
    & skf18("5","10","4","3","10","1","1") = "9"
    & skf18("5","10","4","3","10","2","1") = "9"
    & skf18("5","10","4","3","10","3","1") = "9"
    & skf18("5","10","4","3","10","4","1") = "9"
    & skf18("5","10","4","3","10","5","1") = "9"
    & skf18("5","10","4","3","10","6","1") = "9"
    & skf18("5","10","4","3","10","7","1") = "9"
    & skf18("5","10","4","3","10","8","1") = "9"
    & skf18("5","10","4","3","10","9","1") = "9"
    & skf18("5","10","4","3","10","10","1") = "9"
    & skf18("5","10","4","4","1","1","1") = "9"
    & skf18("5","10","4","4","1","2","1") = "9"
    & skf18("5","10","4","4","1","3","1") = "9"
    & skf18("5","10","4","4","1","4","1") = "9"
    & skf18("5","10","4","4","1","5","1") = "9"
    & skf18("5","10","4","4","1","6","1") = "9"
    & skf18("5","10","4","4","1","7","1") = "9"
    & skf18("5","10","4","4","1","8","1") = "9"
    & skf18("5","10","4","4","1","9","1") = "9"
    & skf18("5","10","4","4","1","10","1") = "9"
    & skf18("5","10","4","4","2","1","1") = "9"
    & skf18("5","10","4","4","2","2","1") = "9"
    & skf18("5","10","4","4","2","3","1") = "9"
    & skf18("5","10","4","4","2","4","1") = "9"
    & skf18("5","10","4","4","2","5","1") = "9"
    & skf18("5","10","4","4","2","6","1") = "9"
    & skf18("5","10","4","4","2","7","1") = "9"
    & skf18("5","10","4","4","2","8","1") = "9"
    & skf18("5","10","4","4","2","9","1") = "9"
    & skf18("5","10","4","4","2","10","1") = "9"
    & skf18("5","10","4","4","3","1","1") = "9"
    & skf18("5","10","4","4","3","2","1") = "9"
    & skf18("5","10","4","4","3","3","1") = "9"
    & skf18("5","10","4","4","3","4","1") = "9"
    & skf18("5","10","4","4","3","5","1") = "9"
    & skf18("5","10","4","4","3","6","1") = "9"
    & skf18("5","10","4","4","3","7","1") = "9"
    & skf18("5","10","4","4","3","8","1") = "9"
    & skf18("5","10","4","4","3","9","1") = "9"
    & skf18("5","10","4","4","3","10","1") = "9"
    & skf18("5","10","4","4","4","1","1") = "9"
    & skf18("5","10","4","4","4","2","1") = "9"
    & skf18("5","10","4","4","4","3","1") = "9"
    & skf18("5","10","4","4","4","4","1") = "9"
    & skf18("5","10","4","4","4","5","1") = "9"
    & skf18("5","10","4","4","4","6","1") = "9"
    & skf18("5","10","4","4","4","7","1") = "9"
    & skf18("5","10","4","4","4","8","1") = "9"
    & skf18("5","10","4","4","4","9","1") = "9"
    & skf18("5","10","4","4","4","10","1") = "9"
    & skf18("5","10","4","4","5","1","1") = "9"
    & skf18("5","10","4","4","5","2","1") = "9"
    & skf18("5","10","4","4","5","3","1") = "9"
    & skf18("5","10","4","4","5","4","1") = "9"
    & skf18("5","10","4","4","5","5","1") = "9"
    & skf18("5","10","4","4","5","6","1") = "9"
    & skf18("5","10","4","4","5","7","1") = "9"
    & skf18("5","10","4","4","5","8","1") = "9"
    & skf18("5","10","4","4","5","9","1") = "9"
    & skf18("5","10","4","4","5","10","1") = "9"
    & skf18("5","10","4","4","6","1","1") = "9"
    & skf18("5","10","4","4","6","2","1") = "9"
    & skf18("5","10","4","4","6","3","1") = "9"
    & skf18("5","10","4","4","6","4","1") = "9"
    & skf18("5","10","4","4","6","5","1") = "9"
    & skf18("5","10","4","4","6","6","1") = "9"
    & skf18("5","10","4","4","6","7","1") = "9"
    & skf18("5","10","4","4","6","8","1") = "9"
    & skf18("5","10","4","4","6","9","1") = "9"
    & skf18("5","10","4","4","6","10","1") = "9"
    & skf18("5","10","4","4","7","1","1") = "9"
    & skf18("5","10","4","4","7","2","1") = "9"
    & skf18("5","10","4","4","7","3","1") = "9"
    & skf18("5","10","4","4","7","4","1") = "9"
    & skf18("5","10","4","4","7","5","1") = "9"
    & skf18("5","10","4","4","7","6","1") = "9"
    & skf18("5","10","4","4","7","7","1") = "9"
    & skf18("5","10","4","4","7","8","1") = "9"
    & skf18("5","10","4","4","7","9","1") = "9"
    & skf18("5","10","4","4","7","10","1") = "9"
    & skf18("5","10","4","4","8","1","1") = "9"
    & skf18("5","10","4","4","8","2","1") = "9"
    & skf18("5","10","4","4","8","3","1") = "9"
    & skf18("5","10","4","4","8","4","1") = "9"
    & skf18("5","10","4","4","8","5","1") = "9"
    & skf18("5","10","4","4","8","6","1") = "9"
    & skf18("5","10","4","4","8","7","1") = "9"
    & skf18("5","10","4","4","8","8","1") = "9"
    & skf18("5","10","4","4","8","9","1") = "9"
    & skf18("5","10","4","4","8","10","1") = "9"
    & skf18("5","10","4","4","9","1","1") = "9"
    & skf18("5","10","4","4","9","2","1") = "9"
    & skf18("5","10","4","4","9","3","1") = "9"
    & skf18("5","10","4","4","9","4","1") = "9"
    & skf18("5","10","4","4","9","5","1") = "9"
    & skf18("5","10","4","4","9","6","1") = "9"
    & skf18("5","10","4","4","9","7","1") = "9"
    & skf18("5","10","4","4","9","8","1") = "9"
    & skf18("5","10","4","4","9","9","1") = "9"
    & skf18("5","10","4","4","9","10","1") = "9"
    & skf18("5","10","4","4","10","1","1") = "9"
    & skf18("5","10","4","4","10","2","1") = "9"
    & skf18("5","10","4","4","10","3","1") = "9"
    & skf18("5","10","4","4","10","4","1") = "9"
    & skf18("5","10","4","4","10","5","1") = "9"
    & skf18("5","10","4","4","10","6","1") = "9"
    & skf18("5","10","4","4","10","7","1") = "9"
    & skf18("5","10","4","4","10","8","1") = "9"
    & skf18("5","10","4","4","10","9","1") = "9"
    & skf18("5","10","4","4","10","10","1") = "9"
    & skf18("5","10","4","5","1","1","1") = "9"
    & skf18("5","10","4","5","1","2","1") = "9"
    & skf18("5","10","4","5","1","3","1") = "9"
    & skf18("5","10","4","5","1","4","1") = "9"
    & skf18("5","10","4","5","1","5","1") = "9"
    & skf18("5","10","4","5","1","6","1") = "9"
    & skf18("5","10","4","5","1","7","1") = "9"
    & skf18("5","10","4","5","1","8","1") = "9"
    & skf18("5","10","4","5","1","9","1") = "9"
    & skf18("5","10","4","5","1","10","1") = "9"
    & skf18("5","10","4","5","2","1","1") = "9"
    & skf18("5","10","4","5","2","2","1") = "9"
    & skf18("5","10","4","5","2","3","1") = "9"
    & skf18("5","10","4","5","2","4","1") = "9"
    & skf18("5","10","4","5","2","5","1") = "9"
    & skf18("5","10","4","5","2","6","1") = "9"
    & skf18("5","10","4","5","2","7","1") = "9"
    & skf18("5","10","4","5","2","8","1") = "9"
    & skf18("5","10","4","5","2","9","1") = "9"
    & skf18("5","10","4","5","2","10","1") = "9"
    & skf18("5","10","4","5","3","1","1") = "9"
    & skf18("5","10","4","5","3","2","1") = "9"
    & skf18("5","10","4","5","3","3","1") = "9"
    & skf18("5","10","4","5","3","4","1") = "9"
    & skf18("5","10","4","5","3","5","1") = "9"
    & skf18("5","10","4","5","3","6","1") = "9"
    & skf18("5","10","4","5","3","7","1") = "9"
    & skf18("5","10","4","5","3","8","1") = "9"
    & skf18("5","10","4","5","3","9","1") = "9"
    & skf18("5","10","4","5","3","10","1") = "9"
    & skf18("5","10","4","5","4","1","1") = "9"
    & skf18("5","10","4","5","4","2","1") = "9"
    & skf18("5","10","4","5","4","3","1") = "9"
    & skf18("5","10","4","5","4","4","1") = "9"
    & skf18("5","10","4","5","4","5","1") = "9"
    & skf18("5","10","4","5","4","6","1") = "9"
    & skf18("5","10","4","5","4","7","1") = "9"
    & skf18("5","10","4","5","4","8","1") = "9"
    & skf18("5","10","4","5","4","9","1") = "9"
    & skf18("5","10","4","5","4","10","1") = "9"
    & skf18("5","10","4","5","5","1","1") = "9"
    & skf18("5","10","4","5","5","2","1") = "9"
    & skf18("5","10","4","5","5","3","1") = "9"
    & skf18("5","10","4","5","5","4","1") = "9"
    & skf18("5","10","4","5","5","5","1") = "9"
    & skf18("5","10","4","5","5","6","1") = "9"
    & skf18("5","10","4","5","5","7","1") = "9"
    & skf18("5","10","4","5","5","8","1") = "9"
    & skf18("5","10","4","5","5","9","1") = "9"
    & skf18("5","10","4","5","5","10","1") = "9"
    & skf18("5","10","4","5","6","1","1") = "9"
    & skf18("5","10","4","5","6","2","1") = "9"
    & skf18("5","10","4","5","6","3","1") = "9"
    & skf18("5","10","4","5","6","4","1") = "9"
    & skf18("5","10","4","5","6","5","1") = "9"
    & skf18("5","10","4","5","6","6","1") = "9"
    & skf18("5","10","4","5","6","7","1") = "9"
    & skf18("5","10","4","5","6","8","1") = "9"
    & skf18("5","10","4","5","6","9","1") = "9"
    & skf18("5","10","4","5","6","10","1") = "9"
    & skf18("5","10","4","5","7","1","1") = "9"
    & skf18("5","10","4","5","7","2","1") = "9"
    & skf18("5","10","4","5","7","3","1") = "9"
    & skf18("5","10","4","5","7","4","1") = "9"
    & skf18("5","10","4","5","7","5","1") = "9"
    & skf18("5","10","4","5","7","6","1") = "9"
    & skf18("5","10","4","5","7","7","1") = "9"
    & skf18("5","10","4","5","7","8","1") = "9"
    & skf18("5","10","4","5","7","9","1") = "9"
    & skf18("5","10","4","5","7","10","1") = "9"
    & skf18("5","10","4","5","8","1","1") = "9"
    & skf18("5","10","4","5","8","2","1") = "9"
    & skf18("5","10","4","5","8","3","1") = "9"
    & skf18("5","10","4","5","8","4","1") = "9"
    & skf18("5","10","4","5","8","5","1") = "9"
    & skf18("5","10","4","5","8","6","1") = "9"
    & skf18("5","10","4","5","8","7","1") = "9"
    & skf18("5","10","4","5","8","8","1") = "9"
    & skf18("5","10","4","5","8","9","1") = "9"
    & skf18("5","10","4","5","8","10","1") = "9"
    & skf18("5","10","4","5","9","1","1") = "9"
    & skf18("5","10","4","5","9","2","1") = "9"
    & skf18("5","10","4","5","9","3","1") = "9"
    & skf18("5","10","4","5","9","4","1") = "9"
    & skf18("5","10","4","5","9","5","1") = "9"
    & skf18("5","10","4","5","9","6","1") = "9"
    & skf18("5","10","4","5","9","7","1") = "9"
    & skf18("5","10","4","5","9","8","1") = "9"
    & skf18("5","10","4","5","9","9","1") = "9"
    & skf18("5","10","4","5","9","10","1") = "9"
    & skf18("5","10","4","5","10","1","1") = "9"
    & skf18("5","10","4","5","10","2","1") = "9"
    & skf18("5","10","4","5","10","3","1") = "9"
    & skf18("5","10","4","5","10","4","1") = "9"
    & skf18("5","10","4","5","10","5","1") = "9"
    & skf18("5","10","4","5","10","6","1") = "9"
    & skf18("5","10","4","5","10","7","1") = "9"
    & skf18("5","10","4","5","10","8","1") = "9"
    & skf18("5","10","4","5","10","9","1") = "9"
    & skf18("5","10","4","5","10","10","1") = "9"
    & skf18("5","10","4","6","1","1","1") = "9"
    & skf18("5","10","4","6","1","2","1") = "9"
    & skf18("5","10","4","6","1","3","1") = "9"
    & skf18("5","10","4","6","1","4","1") = "9"
    & skf18("5","10","4","6","1","5","1") = "9"
    & skf18("5","10","4","6","1","6","1") = "9"
    & skf18("5","10","4","6","1","7","1") = "9"
    & skf18("5","10","4","6","1","8","1") = "9"
    & skf18("5","10","4","6","1","9","1") = "9"
    & skf18("5","10","4","6","1","10","1") = "9"
    & skf18("5","10","4","6","2","1","1") = "9"
    & skf18("5","10","4","6","2","2","1") = "9"
    & skf18("5","10","4","6","2","3","1") = "9"
    & skf18("5","10","4","6","2","4","1") = "9"
    & skf18("5","10","4","6","2","5","1") = "9"
    & skf18("5","10","4","6","2","6","1") = "9"
    & skf18("5","10","4","6","2","7","1") = "9"
    & skf18("5","10","4","6","2","8","1") = "9"
    & skf18("5","10","4","6","2","9","1") = "9"
    & skf18("5","10","4","6","2","10","1") = "9"
    & skf18("5","10","4","6","3","1","1") = "9"
    & skf18("5","10","4","6","3","2","1") = "9"
    & skf18("5","10","4","6","3","3","1") = "9"
    & skf18("5","10","4","6","3","4","1") = "9"
    & skf18("5","10","4","6","3","5","1") = "9"
    & skf18("5","10","4","6","3","6","1") = "9"
    & skf18("5","10","4","6","3","7","1") = "9"
    & skf18("5","10","4","6","3","8","1") = "9"
    & skf18("5","10","4","6","3","9","1") = "9"
    & skf18("5","10","4","6","3","10","1") = "9"
    & skf18("5","10","4","6","4","1","1") = "9"
    & skf18("5","10","4","6","4","2","1") = "9"
    & skf18("5","10","4","6","4","3","1") = "9"
    & skf18("5","10","4","6","4","4","1") = "9"
    & skf18("5","10","4","6","4","5","1") = "9"
    & skf18("5","10","4","6","4","6","1") = "9"
    & skf18("5","10","4","6","4","7","1") = "9"
    & skf18("5","10","4","6","4","8","1") = "9"
    & skf18("5","10","4","6","4","9","1") = "9"
    & skf18("5","10","4","6","4","10","1") = "9"
    & skf18("5","10","4","6","5","1","1") = "9"
    & skf18("5","10","4","6","5","2","1") = "9"
    & skf18("5","10","4","6","5","3","1") = "9"
    & skf18("5","10","4","6","5","4","1") = "9"
    & skf18("5","10","4","6","5","5","1") = "9"
    & skf18("5","10","4","6","5","6","1") = "9"
    & skf18("5","10","4","6","5","7","1") = "9"
    & skf18("5","10","4","6","5","8","1") = "9"
    & skf18("5","10","4","6","5","9","1") = "9"
    & skf18("5","10","4","6","5","10","1") = "9"
    & skf18("5","10","4","6","6","1","1") = "9"
    & skf18("5","10","4","6","6","2","1") = "9"
    & skf18("5","10","4","6","6","3","1") = "9"
    & skf18("5","10","4","6","6","4","1") = "9"
    & skf18("5","10","4","6","6","5","1") = "9"
    & skf18("5","10","4","6","6","6","1") = "9"
    & skf18("5","10","4","6","6","7","1") = "9"
    & skf18("5","10","4","6","6","8","1") = "9"
    & skf18("5","10","4","6","6","9","1") = "9"
    & skf18("5","10","4","6","6","10","1") = "9"
    & skf18("5","10","4","6","7","1","1") = "9"
    & skf18("5","10","4","6","7","2","1") = "9"
    & skf18("5","10","4","6","7","3","1") = "9"
    & skf18("5","10","4","6","7","4","1") = "9"
    & skf18("5","10","4","6","7","5","1") = "9"
    & skf18("5","10","4","6","7","6","1") = "9"
    & skf18("5","10","4","6","7","7","1") = "9"
    & skf18("5","10","4","6","7","8","1") = "9"
    & skf18("5","10","4","6","7","9","1") = "9"
    & skf18("5","10","4","6","7","10","1") = "9"
    & skf18("5","10","4","6","8","1","1") = "9"
    & skf18("5","10","4","6","8","2","1") = "9"
    & skf18("5","10","4","6","8","3","1") = "9"
    & skf18("5","10","4","6","8","4","1") = "9"
    & skf18("5","10","4","6","8","5","1") = "9"
    & skf18("5","10","4","6","8","6","1") = "9"
    & skf18("5","10","4","6","8","7","1") = "9"
    & skf18("5","10","4","6","8","8","1") = "9"
    & skf18("5","10","4","6","8","9","1") = "9"
    & skf18("5","10","4","6","8","10","1") = "9"
    & skf18("5","10","4","6","9","1","1") = "9"
    & skf18("5","10","4","6","9","2","1") = "9"
    & skf18("5","10","4","6","9","3","1") = "9"
    & skf18("5","10","4","6","9","4","1") = "9"
    & skf18("5","10","4","6","9","5","1") = "9"
    & skf18("5","10","4","6","9","6","1") = "9"
    & skf18("5","10","4","6","9","7","1") = "9"
    & skf18("5","10","4","6","9","8","1") = "9"
    & skf18("5","10","4","6","9","9","1") = "9"
    & skf18("5","10","4","6","9","10","1") = "9"
    & skf18("5","10","4","6","10","1","1") = "9"
    & skf18("5","10","4","6","10","2","1") = "9"
    & skf18("5","10","4","6","10","3","1") = "9"
    & skf18("5","10","4","6","10","4","1") = "9"
    & skf18("5","10","4","6","10","5","1") = "9"
    & skf18("5","10","4","6","10","6","1") = "9"
    & skf18("5","10","4","6","10","7","1") = "9"
    & skf18("5","10","4","6","10","8","1") = "9"
    & skf18("5","10","4","6","10","9","1") = "9"
    & skf18("5","10","4","6","10","10","1") = "9"
    & skf18("5","10","4","7","1","1","1") = "9"
    & skf18("5","10","4","7","1","2","1") = "9"
    & skf18("5","10","4","7","1","3","1") = "9"
    & skf18("5","10","4","7","1","4","1") = "9"
    & skf18("5","10","4","7","1","5","1") = "9"
    & skf18("5","10","4","7","1","6","1") = "9"
    & skf18("5","10","4","7","1","7","1") = "9"
    & skf18("5","10","4","7","1","8","1") = "9"
    & skf18("5","10","4","7","1","9","1") = "9"
    & skf18("5","10","4","7","1","10","1") = "9"
    & skf18("5","10","4","7","2","1","1") = "9"
    & skf18("5","10","4","7","2","2","1") = "9"
    & skf18("5","10","4","7","2","3","1") = "9"
    & skf18("5","10","4","7","2","4","1") = "9"
    & skf18("5","10","4","7","2","5","1") = "9"
    & skf18("5","10","4","7","2","6","1") = "9"
    & skf18("5","10","4","7","2","7","1") = "9"
    & skf18("5","10","4","7","2","8","1") = "9"
    & skf18("5","10","4","7","2","9","1") = "9"
    & skf18("5","10","4","7","2","10","1") = "9"
    & skf18("5","10","4","7","3","1","1") = "9"
    & skf18("5","10","4","7","3","2","1") = "9"
    & skf18("5","10","4","7","3","3","1") = "9"
    & skf18("5","10","4","7","3","4","1") = "9"
    & skf18("5","10","4","7","3","5","1") = "9"
    & skf18("5","10","4","7","3","6","1") = "9"
    & skf18("5","10","4","7","3","7","1") = "9"
    & skf18("5","10","4","7","3","8","1") = "9"
    & skf18("5","10","4","7","3","9","1") = "9"
    & skf18("5","10","4","7","3","10","1") = "9"
    & skf18("5","10","4","7","4","1","1") = "9"
    & skf18("5","10","4","7","4","2","1") = "9"
    & skf18("5","10","4","7","4","3","1") = "9"
    & skf18("5","10","4","7","4","4","1") = "9"
    & skf18("5","10","4","7","4","5","1") = "9"
    & skf18("5","10","4","7","4","6","1") = "9"
    & skf18("5","10","4","7","4","7","1") = "9"
    & skf18("5","10","4","7","4","8","1") = "9"
    & skf18("5","10","4","7","4","9","1") = "9"
    & skf18("5","10","4","7","4","10","1") = "9"
    & skf18("5","10","4","7","5","1","1") = "9"
    & skf18("5","10","4","7","5","2","1") = "9"
    & skf18("5","10","4","7","5","3","1") = "9"
    & skf18("5","10","4","7","5","4","1") = "9"
    & skf18("5","10","4","7","5","5","1") = "9"
    & skf18("5","10","4","7","5","6","1") = "9"
    & skf18("5","10","4","7","5","7","1") = "9"
    & skf18("5","10","4","7","5","8","1") = "9"
    & skf18("5","10","4","7","5","9","1") = "9"
    & skf18("5","10","4","7","5","10","1") = "9"
    & skf18("5","10","4","7","6","1","1") = "9"
    & skf18("5","10","4","7","6","2","1") = "9"
    & skf18("5","10","4","7","6","3","1") = "9"
    & skf18("5","10","4","7","6","4","1") = "9"
    & skf18("5","10","4","7","6","5","1") = "9"
    & skf18("5","10","4","7","6","6","1") = "9"
    & skf18("5","10","4","7","6","7","1") = "9"
    & skf18("5","10","4","7","6","8","1") = "9"
    & skf18("5","10","4","7","6","9","1") = "9"
    & skf18("5","10","4","7","6","10","1") = "9"
    & skf18("5","10","4","7","7","1","1") = "9"
    & skf18("5","10","4","7","7","2","1") = "9"
    & skf18("5","10","4","7","7","3","1") = "9"
    & skf18("5","10","4","7","7","4","1") = "9"
    & skf18("5","10","4","7","7","5","1") = "9"
    & skf18("5","10","4","7","7","6","1") = "9"
    & skf18("5","10","4","7","7","7","1") = "9"
    & skf18("5","10","4","7","7","8","1") = "9"
    & skf18("5","10","4","7","7","9","1") = "9"
    & skf18("5","10","4","7","7","10","1") = "9"
    & skf18("5","10","4","7","8","1","1") = "9"
    & skf18("5","10","4","7","8","2","1") = "9"
    & skf18("5","10","4","7","8","3","1") = "9"
    & skf18("5","10","4","7","8","4","1") = "9"
    & skf18("5","10","4","7","8","5","1") = "9"
    & skf18("5","10","4","7","8","6","1") = "9"
    & skf18("5","10","4","7","8","7","1") = "9"
    & skf18("5","10","4","7","8","8","1") = "9"
    & skf18("5","10","4","7","8","9","1") = "9"
    & skf18("5","10","4","7","8","10","1") = "9"
    & skf18("5","10","4","7","9","1","1") = "9"
    & skf18("5","10","4","7","9","2","1") = "9"
    & skf18("5","10","4","7","9","3","1") = "9"
    & skf18("5","10","4","7","9","4","1") = "9"
    & skf18("5","10","4","7","9","5","1") = "9"
    & skf18("5","10","4","7","9","6","1") = "9"
    & skf18("5","10","4","7","9","7","1") = "9"
    & skf18("5","10","4","7","9","8","1") = "9"
    & skf18("5","10","4","7","9","9","1") = "9"
    & skf18("5","10","4","7","9","10","1") = "9"
    & skf18("5","10","4","7","10","1","1") = "9"
    & skf18("5","10","4","7","10","2","1") = "9"
    & skf18("5","10","4","7","10","3","1") = "9"
    & skf18("5","10","4","7","10","4","1") = "9"
    & skf18("5","10","4","7","10","5","1") = "9"
    & skf18("5","10","4","7","10","6","1") = "9"
    & skf18("5","10","4","7","10","7","1") = "9"
    & skf18("5","10","4","7","10","8","1") = "9"
    & skf18("5","10","4","7","10","9","1") = "9"
    & skf18("5","10","4","7","10","10","1") = "9"
    & skf18("5","10","4","8","1","1","1") = "9"
    & skf18("5","10","4","8","1","2","1") = "9"
    & skf18("5","10","4","8","1","3","1") = "9"
    & skf18("5","10","4","8","1","4","1") = "9"
    & skf18("5","10","4","8","1","5","1") = "9"
    & skf18("5","10","4","8","1","6","1") = "9"
    & skf18("5","10","4","8","1","7","1") = "9"
    & skf18("5","10","4","8","1","8","1") = "9"
    & skf18("5","10","4","8","1","9","1") = "9"
    & skf18("5","10","4","8","1","10","1") = "9"
    & skf18("5","10","4","8","2","1","1") = "9"
    & skf18("5","10","4","8","2","2","1") = "9"
    & skf18("5","10","4","8","2","3","1") = "9"
    & skf18("5","10","4","8","2","4","1") = "9"
    & skf18("5","10","4","8","2","5","1") = "9"
    & skf18("5","10","4","8","2","6","1") = "9"
    & skf18("5","10","4","8","2","7","1") = "9"
    & skf18("5","10","4","8","2","8","1") = "9"
    & skf18("5","10","4","8","2","9","1") = "9"
    & skf18("5","10","4","8","2","10","1") = "9"
    & skf18("5","10","4","8","3","1","1") = "9"
    & skf18("5","10","4","8","3","2","1") = "9"
    & skf18("5","10","4","8","3","3","1") = "9"
    & skf18("5","10","4","8","3","4","1") = "9"
    & skf18("5","10","4","8","3","5","1") = "9"
    & skf18("5","10","4","8","3","6","1") = "9"
    & skf18("5","10","4","8","3","7","1") = "9"
    & skf18("5","10","4","8","3","8","1") = "9"
    & skf18("5","10","4","8","3","9","1") = "9"
    & skf18("5","10","4","8","3","10","1") = "9"
    & skf18("5","10","4","8","4","1","1") = "9"
    & skf18("5","10","4","8","4","2","1") = "9"
    & skf18("5","10","4","8","4","3","1") = "9"
    & skf18("5","10","4","8","4","4","1") = "9"
    & skf18("5","10","4","8","4","5","1") = "9"
    & skf18("5","10","4","8","4","6","1") = "9"
    & skf18("5","10","4","8","4","7","1") = "9"
    & skf18("5","10","4","8","4","8","1") = "9"
    & skf18("5","10","4","8","4","9","1") = "9"
    & skf18("5","10","4","8","4","10","1") = "9"
    & skf18("5","10","4","8","5","1","1") = "9"
    & skf18("5","10","4","8","5","2","1") = "9"
    & skf18("5","10","4","8","5","3","1") = "9"
    & skf18("5","10","4","8","5","4","1") = "9"
    & skf18("5","10","4","8","5","5","1") = "9"
    & skf18("5","10","4","8","5","6","1") = "9"
    & skf18("5","10","4","8","5","7","1") = "9"
    & skf18("5","10","4","8","5","8","1") = "9"
    & skf18("5","10","4","8","5","9","1") = "9"
    & skf18("5","10","4","8","5","10","1") = "9"
    & skf18("5","10","4","8","6","1","1") = "9"
    & skf18("5","10","4","8","6","2","1") = "9"
    & skf18("5","10","4","8","6","3","1") = "9"
    & skf18("5","10","4","8","6","4","1") = "9"
    & skf18("5","10","4","8","6","5","1") = "9"
    & skf18("5","10","4","8","6","6","1") = "9"
    & skf18("5","10","4","8","6","7","1") = "9"
    & skf18("5","10","4","8","6","8","1") = "9"
    & skf18("5","10","4","8","6","9","1") = "9"
    & skf18("5","10","4","8","6","10","1") = "9"
    & skf18("5","10","4","8","7","1","1") = "9"
    & skf18("5","10","4","8","7","2","1") = "9"
    & skf18("5","10","4","8","7","3","1") = "9"
    & skf18("5","10","4","8","7","4","1") = "9"
    & skf18("5","10","4","8","7","5","1") = "9"
    & skf18("5","10","4","8","7","6","1") = "9"
    & skf18("5","10","4","8","7","7","1") = "9"
    & skf18("5","10","4","8","7","8","1") = "9"
    & skf18("5","10","4","8","7","9","1") = "9"
    & skf18("5","10","4","8","7","10","1") = "9"
    & skf18("5","10","4","8","8","1","1") = "9"
    & skf18("5","10","4","8","8","2","1") = "9"
    & skf18("5","10","4","8","8","3","1") = "9"
    & skf18("5","10","4","8","8","4","1") = "9"
    & skf18("5","10","4","8","8","5","1") = "9"
    & skf18("5","10","4","8","8","6","1") = "9"
    & skf18("5","10","4","8","8","7","1") = "9"
    & skf18("5","10","4","8","8","8","1") = "9"
    & skf18("5","10","4","8","8","9","1") = "9"
    & skf18("5","10","4","8","8","10","1") = "9"
    & skf18("5","10","4","8","9","1","1") = "9"
    & skf18("5","10","4","8","9","2","1") = "9"
    & skf18("5","10","4","8","9","3","1") = "9"
    & skf18("5","10","4","8","9","4","1") = "9"
    & skf18("5","10","4","8","9","5","1") = "9"
    & skf18("5","10","4","8","9","6","1") = "9"
    & skf18("5","10","4","8","9","7","1") = "9"
    & skf18("5","10","4","8","9","8","1") = "9"
    & skf18("5","10","4","8","9","9","1") = "9"
    & skf18("5","10","4","8","9","10","1") = "9"
    & skf18("5","10","4","8","10","1","1") = "9"
    & skf18("5","10","4","8","10","2","1") = "9"
    & skf18("5","10","4","8","10","3","1") = "9"
    & skf18("5","10","4","8","10","4","1") = "9"
    & skf18("5","10","4","8","10","5","1") = "9"
    & skf18("5","10","4","8","10","6","1") = "9"
    & skf18("5","10","4","8","10","7","1") = "9"
    & skf18("5","10","4","8","10","8","1") = "9"
    & skf18("5","10","4","8","10","9","1") = "9"
    & skf18("5","10","4","8","10","10","1") = "9"
    & skf18("5","10","4","9","1","1","1") = "9"
    & skf18("5","10","4","9","1","2","1") = "9"
    & skf18("5","10","4","9","1","3","1") = "9"
    & skf18("5","10","4","9","1","4","1") = "9"
    & skf18("5","10","4","9","1","5","1") = "9"
    & skf18("5","10","4","9","1","6","1") = "9"
    & skf18("5","10","4","9","1","7","1") = "9"
    & skf18("5","10","4","9","1","8","1") = "9"
    & skf18("5","10","4","9","1","9","1") = "9"
    & skf18("5","10","4","9","1","10","1") = "9"
    & skf18("5","10","4","9","2","1","1") = "9"
    & skf18("5","10","4","9","2","2","1") = "9"
    & skf18("5","10","4","9","2","3","1") = "9"
    & skf18("5","10","4","9","2","4","1") = "9"
    & skf18("5","10","4","9","2","5","1") = "9"
    & skf18("5","10","4","9","2","6","1") = "9"
    & skf18("5","10","4","9","2","7","1") = "9"
    & skf18("5","10","4","9","2","8","1") = "9"
    & skf18("5","10","4","9","2","9","1") = "9"
    & skf18("5","10","4","9","2","10","1") = "9"
    & skf18("5","10","4","9","3","1","1") = "9"
    & skf18("5","10","4","9","3","2","1") = "9"
    & skf18("5","10","4","9","3","3","1") = "9"
    & skf18("5","10","4","9","3","4","1") = "9"
    & skf18("5","10","4","9","3","5","1") = "9"
    & skf18("5","10","4","9","3","6","1") = "9"
    & skf18("5","10","4","9","3","7","1") = "9"
    & skf18("5","10","4","9","3","8","1") = "9"
    & skf18("5","10","4","9","3","9","1") = "9"
    & skf18("5","10","4","9","3","10","1") = "9"
    & skf18("5","10","4","9","4","1","1") = "9"
    & skf18("5","10","4","9","4","2","1") = "9"
    & skf18("5","10","4","9","4","3","1") = "9"
    & skf18("5","10","4","9","4","4","1") = "9"
    & skf18("5","10","4","9","4","5","1") = "9"
    & skf18("5","10","4","9","4","6","1") = "9"
    & skf18("5","10","4","9","4","7","1") = "9"
    & skf18("5","10","4","9","4","8","1") = "9"
    & skf18("5","10","4","9","4","9","1") = "9"
    & skf18("5","10","4","9","4","10","1") = "9"
    & skf18("5","10","4","9","5","1","1") = "9"
    & skf18("5","10","4","9","5","2","1") = "9"
    & skf18("5","10","4","9","5","3","1") = "9"
    & skf18("5","10","4","9","5","4","1") = "9"
    & skf18("5","10","4","9","5","5","1") = "9"
    & skf18("5","10","4","9","5","6","1") = "9"
    & skf18("5","10","4","9","5","7","1") = "9"
    & skf18("5","10","4","9","5","8","1") = "9"
    & skf18("5","10","4","9","5","9","1") = "9"
    & skf18("5","10","4","9","5","10","1") = "9"
    & skf18("5","10","4","9","6","1","1") = "9"
    & skf18("5","10","4","9","6","2","1") = "9"
    & skf18("5","10","4","9","6","3","1") = "9"
    & skf18("5","10","4","9","6","4","1") = "9"
    & skf18("5","10","4","9","6","5","1") = "9"
    & skf18("5","10","4","9","6","6","1") = "9"
    & skf18("5","10","4","9","6","7","1") = "9"
    & skf18("5","10","4","9","6","8","1") = "9"
    & skf18("5","10","4","9","6","9","1") = "9"
    & skf18("5","10","4","9","6","10","1") = "9"
    & skf18("5","10","4","9","7","1","1") = "9"
    & skf18("5","10","4","9","7","2","1") = "9"
    & skf18("5","10","4","9","7","3","1") = "9"
    & skf18("5","10","4","9","7","4","1") = "9"
    & skf18("5","10","4","9","7","5","1") = "9"
    & skf18("5","10","4","9","7","6","1") = "9"
    & skf18("5","10","4","9","7","7","1") = "9"
    & skf18("5","10","4","9","7","8","1") = "9"
    & skf18("5","10","4","9","7","9","1") = "9"
    & skf18("5","10","4","9","7","10","1") = "9"
    & skf18("5","10","4","9","8","1","1") = "9"
    & skf18("5","10","4","9","8","2","1") = "9"
    & skf18("5","10","4","9","8","3","1") = "9"
    & skf18("5","10","4","9","8","4","1") = "9"
    & skf18("5","10","4","9","8","5","1") = "9"
    & skf18("5","10","4","9","8","6","1") = "9"
    & skf18("5","10","4","9","8","7","1") = "9"
    & skf18("5","10","4","9","8","8","1") = "9"
    & skf18("5","10","4","9","8","9","1") = "9"
    & skf18("5","10","4","9","8","10","1") = "9"
    & skf18("5","10","4","9","9","1","1") = "9"
    & skf18("5","10","4","9","9","2","1") = "9"
    & skf18("5","10","4","9","9","3","1") = "9"
    & skf18("5","10","4","9","9","4","1") = "9"
    & skf18("5","10","4","9","9","5","1") = "9"
    & skf18("5","10","4","9","9","6","1") = "9"
    & skf18("5","10","4","9","9","7","1") = "9"
    & skf18("5","10","4","9","9","8","1") = "9"
    & skf18("5","10","4","9","9","9","1") = "9"
    & skf18("5","10","4","9","9","10","1") = "9"
    & skf18("5","10","4","9","10","1","1") = "9"
    & skf18("5","10","4","9","10","2","1") = "9"
    & skf18("5","10","4","9","10","3","1") = "9"
    & skf18("5","10","4","9","10","4","1") = "9"
    & skf18("5","10","4","9","10","5","1") = "9"
    & skf18("5","10","4","9","10","6","1") = "9"
    & skf18("5","10","4","9","10","7","1") = "9"
    & skf18("5","10","4","9","10","8","1") = "9"
    & skf18("5","10","4","9","10","9","1") = "9"
    & skf18("5","10","4","9","10","10","1") = "9"
    & skf18("5","10","4","10","1","1","1") = "9"
    & skf18("5","10","4","10","1","2","1") = "9"
    & skf18("5","10","4","10","1","3","1") = "9"
    & skf18("5","10","4","10","1","4","1") = "9"
    & skf18("5","10","4","10","1","5","1") = "9"
    & skf18("5","10","4","10","1","6","1") = "9"
    & skf18("5","10","4","10","1","7","1") = "9"
    & skf18("5","10","4","10","1","8","1") = "9"
    & skf18("5","10","4","10","1","9","1") = "9"
    & skf18("5","10","4","10","1","10","1") = "9"
    & skf18("5","10","4","10","2","1","1") = "9"
    & skf18("5","10","4","10","2","2","1") = "9"
    & skf18("5","10","4","10","2","3","1") = "9"
    & skf18("5","10","4","10","2","4","1") = "9"
    & skf18("5","10","4","10","2","5","1") = "9"
    & skf18("5","10","4","10","2","6","1") = "9"
    & skf18("5","10","4","10","2","7","1") = "9"
    & skf18("5","10","4","10","2","8","1") = "9"
    & skf18("5","10","4","10","2","9","1") = "9"
    & skf18("5","10","4","10","2","10","1") = "9"
    & skf18("5","10","4","10","3","1","1") = "9"
    & skf18("5","10","4","10","3","2","1") = "9"
    & skf18("5","10","4","10","3","3","1") = "9"
    & skf18("5","10","4","10","3","4","1") = "9"
    & skf18("5","10","4","10","3","5","1") = "9"
    & skf18("5","10","4","10","3","6","1") = "9"
    & skf18("5","10","4","10","3","7","1") = "9"
    & skf18("5","10","4","10","3","8","1") = "9"
    & skf18("5","10","4","10","3","9","1") = "9"
    & skf18("5","10","4","10","3","10","1") = "9"
    & skf18("5","10","4","10","4","1","1") = "9"
    & skf18("5","10","4","10","4","2","1") = "9"
    & skf18("5","10","4","10","4","3","1") = "9"
    & skf18("5","10","4","10","4","4","1") = "9"
    & skf18("5","10","4","10","4","5","1") = "9"
    & skf18("5","10","4","10","4","6","1") = "9"
    & skf18("5","10","4","10","4","7","1") = "9"
    & skf18("5","10","4","10","4","8","1") = "9"
    & skf18("5","10","4","10","4","9","1") = "9"
    & skf18("5","10","4","10","4","10","1") = "9"
    & skf18("5","10","4","10","5","1","1") = "9"
    & skf18("5","10","4","10","5","2","1") = "9"
    & skf18("5","10","4","10","5","3","1") = "9"
    & skf18("5","10","4","10","5","4","1") = "9"
    & skf18("5","10","4","10","5","5","1") = "9"
    & skf18("5","10","4","10","5","6","1") = "9"
    & skf18("5","10","4","10","5","7","1") = "9"
    & skf18("5","10","4","10","5","8","1") = "9"
    & skf18("5","10","4","10","5","9","1") = "9"
    & skf18("5","10","4","10","5","10","1") = "9"
    & skf18("5","10","4","10","6","1","1") = "9"
    & skf18("5","10","4","10","6","2","1") = "9"
    & skf18("5","10","4","10","6","3","1") = "9"
    & skf18("5","10","4","10","6","4","1") = "9"
    & skf18("5","10","4","10","6","5","1") = "9"
    & skf18("5","10","4","10","6","6","1") = "9"
    & skf18("5","10","4","10","6","7","1") = "9"
    & skf18("5","10","4","10","6","8","1") = "9"
    & skf18("5","10","4","10","6","9","1") = "9"
    & skf18("5","10","4","10","6","10","1") = "9"
    & skf18("5","10","4","10","7","1","1") = "9"
    & skf18("5","10","4","10","7","2","1") = "9"
    & skf18("5","10","4","10","7","3","1") = "9"
    & skf18("5","10","4","10","7","4","1") = "9"
    & skf18("5","10","4","10","7","5","1") = "9"
    & skf18("5","10","4","10","7","6","1") = "9"
    & skf18("5","10","4","10","7","7","1") = "9"
    & skf18("5","10","4","10","7","8","1") = "9"
    & skf18("5","10","4","10","7","9","1") = "9"
    & skf18("5","10","4","10","7","10","1") = "9"
    & skf18("5","10","4","10","8","1","1") = "9"
    & skf18("5","10","4","10","8","2","1") = "9"
    & skf18("5","10","4","10","8","3","1") = "9"
    & skf18("5","10","4","10","8","4","1") = "9"
    & skf18("5","10","4","10","8","5","1") = "9"
    & skf18("5","10","4","10","8","6","1") = "9"
    & skf18("5","10","4","10","8","7","1") = "9"
    & skf18("5","10","4","10","8","8","1") = "9"
    & skf18("5","10","4","10","8","9","1") = "9"
    & skf18("5","10","4","10","8","10","1") = "9"
    & skf18("5","10","4","10","9","1","1") = "9"
    & skf18("5","10","4","10","9","2","1") = "9"
    & skf18("5","10","4","10","9","3","1") = "9"
    & skf18("5","10","4","10","9","4","1") = "9"
    & skf18("5","10","4","10","9","5","1") = "9"
    & skf18("5","10","4","10","9","6","1") = "9"
    & skf18("5","10","4","10","9","7","1") = "9"
    & skf18("5","10","4","10","9","8","1") = "9"
    & skf18("5","10","4","10","9","9","1") = "9"
    & skf18("5","10","4","10","9","10","1") = "9"
    & skf18("5","10","4","10","10","1","1") = "9"
    & skf18("5","10","4","10","10","2","1") = "9"
    & skf18("5","10","4","10","10","3","1") = "9"
    & skf18("5","10","4","10","10","4","1") = "9"
    & skf18("5","10","4","10","10","5","1") = "9"
    & skf18("5","10","4","10","10","6","1") = "9"
    & skf18("5","10","4","10","10","7","1") = "9"
    & skf18("5","10","4","10","10","8","1") = "9"
    & skf18("5","10","4","10","10","9","1") = "9"
    & skf18("5","10","4","10","10","10","1") = "9"
    & skf18("5","10","5","1","1","1","1") = "9"
    & skf18("5","10","5","1","1","2","1") = "9"
    & skf18("5","10","5","1","1","3","1") = "9"
    & skf18("5","10","5","1","1","4","1") = "9"
    & skf18("5","10","5","1","1","5","1") = "9"
    & skf18("5","10","5","1","1","6","1") = "9"
    & skf18("5","10","5","1","1","7","1") = "9"
    & skf18("5","10","5","1","1","8","1") = "9"
    & skf18("5","10","5","1","1","9","1") = "9"
    & skf18("5","10","5","1","1","10","1") = "9"
    & skf18("5","10","5","1","2","1","1") = "9"
    & skf18("5","10","5","1","2","2","1") = "9"
    & skf18("5","10","5","1","2","3","1") = "9"
    & skf18("5","10","5","1","2","4","1") = "9"
    & skf18("5","10","5","1","2","5","1") = "9"
    & skf18("5","10","5","1","2","6","1") = "9"
    & skf18("5","10","5","1","2","7","1") = "9"
    & skf18("5","10","5","1","2","8","1") = "9"
    & skf18("5","10","5","1","2","9","1") = "9"
    & skf18("5","10","5","1","2","10","1") = "9"
    & skf18("5","10","5","1","3","1","1") = "9"
    & skf18("5","10","5","1","3","2","1") = "9"
    & skf18("5","10","5","1","3","3","1") = "9"
    & skf18("5","10","5","1","3","4","1") = "9"
    & skf18("5","10","5","1","3","5","1") = "9"
    & skf18("5","10","5","1","3","6","1") = "9"
    & skf18("5","10","5","1","3","7","1") = "9"
    & skf18("5","10","5","1","3","8","1") = "9"
    & skf18("5","10","5","1","3","9","1") = "9"
    & skf18("5","10","5","1","3","10","1") = "9"
    & skf18("5","10","5","1","4","1","1") = "9"
    & skf18("5","10","5","1","4","2","1") = "9"
    & skf18("5","10","5","1","4","3","1") = "9"
    & skf18("5","10","5","1","4","4","1") = "9"
    & skf18("5","10","5","1","4","5","1") = "9"
    & skf18("5","10","5","1","4","6","1") = "9"
    & skf18("5","10","5","1","4","7","1") = "9"
    & skf18("5","10","5","1","4","8","1") = "9"
    & skf18("5","10","5","1","4","9","1") = "9"
    & skf18("5","10","5","1","4","10","1") = "9"
    & skf18("5","10","5","1","5","1","1") = "9"
    & skf18("5","10","5","1","5","2","1") = "9"
    & skf18("5","10","5","1","5","3","1") = "9"
    & skf18("5","10","5","1","5","4","1") = "9"
    & skf18("5","10","5","1","5","5","1") = "9"
    & skf18("5","10","5","1","5","6","1") = "9"
    & skf18("5","10","5","1","5","7","1") = "9"
    & skf18("5","10","5","1","5","8","1") = "9"
    & skf18("5","10","5","1","5","9","1") = "9"
    & skf18("5","10","5","1","5","10","1") = "9"
    & skf18("5","10","5","1","6","1","1") = "9"
    & skf18("5","10","5","1","6","2","1") = "9"
    & skf18("5","10","5","1","6","3","1") = "9"
    & skf18("5","10","5","1","6","4","1") = "9"
    & skf18("5","10","5","1","6","5","1") = "9"
    & skf18("5","10","5","1","6","6","1") = "9"
    & skf18("5","10","5","1","6","7","1") = "9"
    & skf18("5","10","5","1","6","8","1") = "9"
    & skf18("5","10","5","1","6","9","1") = "9"
    & skf18("5","10","5","1","6","10","1") = "9"
    & skf18("5","10","5","1","7","1","1") = "9"
    & skf18("5","10","5","1","7","2","1") = "9"
    & skf18("5","10","5","1","7","3","1") = "9"
    & skf18("5","10","5","1","7","4","1") = "9"
    & skf18("5","10","5","1","7","5","1") = "9"
    & skf18("5","10","5","1","7","6","1") = "9"
    & skf18("5","10","5","1","7","7","1") = "9"
    & skf18("5","10","5","1","7","8","1") = "9"
    & skf18("5","10","5","1","7","9","1") = "9"
    & skf18("5","10","5","1","7","10","1") = "9"
    & skf18("5","10","5","1","8","1","1") = "9"
    & skf18("5","10","5","1","8","2","1") = "9"
    & skf18("5","10","5","1","8","3","1") = "9"
    & skf18("5","10","5","1","8","4","1") = "9"
    & skf18("5","10","5","1","8","5","1") = "9"
    & skf18("5","10","5","1","8","6","1") = "9"
    & skf18("5","10","5","1","8","7","1") = "9"
    & skf18("5","10","5","1","8","8","1") = "9"
    & skf18("5","10","5","1","8","9","1") = "9"
    & skf18("5","10","5","1","8","10","1") = "9"
    & skf18("5","10","5","1","9","1","1") = "9"
    & skf18("5","10","5","1","9","2","1") = "9"
    & skf18("5","10","5","1","9","3","1") = "9"
    & skf18("5","10","5","1","9","4","1") = "9"
    & skf18("5","10","5","1","9","5","1") = "9"
    & skf18("5","10","5","1","9","6","1") = "9"
    & skf18("5","10","5","1","9","7","1") = "9"
    & skf18("5","10","5","1","9","8","1") = "9"
    & skf18("5","10","5","1","9","9","1") = "9"
    & skf18("5","10","5","1","9","10","1") = "9"
    & skf18("5","10","5","1","10","1","1") = "9"
    & skf18("5","10","5","1","10","2","1") = "9"
    & skf18("5","10","5","1","10","3","1") = "9"
    & skf18("5","10","5","1","10","4","1") = "9"
    & skf18("5","10","5","1","10","5","1") = "9"
    & skf18("5","10","5","1","10","6","1") = "9"
    & skf18("5","10","5","1","10","7","1") = "9"
    & skf18("5","10","5","1","10","8","1") = "9"
    & skf18("5","10","5","1","10","9","1") = "9"
    & skf18("5","10","5","1","10","10","1") = "9"
    & skf18("5","10","5","2","1","1","1") = "9"
    & skf18("5","10","5","2","1","2","1") = "9"
    & skf18("5","10","5","2","1","3","1") = "9"
    & skf18("5","10","5","2","1","4","1") = "9"
    & skf18("5","10","5","2","1","5","1") = "9"
    & skf18("5","10","5","2","1","6","1") = "9"
    & skf18("5","10","5","2","1","7","1") = "9"
    & skf18("5","10","5","2","1","8","1") = "9"
    & skf18("5","10","5","2","1","9","1") = "9"
    & skf18("5","10","5","2","1","10","1") = "9"
    & skf18("5","10","5","2","2","1","1") = "9"
    & skf18("5","10","5","2","2","2","1") = "9"
    & skf18("5","10","5","2","2","3","1") = "9"
    & skf18("5","10","5","2","2","4","1") = "9"
    & skf18("5","10","5","2","2","5","1") = "9"
    & skf18("5","10","5","2","2","6","1") = "9"
    & skf18("5","10","5","2","2","7","1") = "9"
    & skf18("5","10","5","2","2","8","1") = "9"
    & skf18("5","10","5","2","2","9","1") = "9"
    & skf18("5","10","5","2","2","10","1") = "9"
    & skf18("5","10","5","2","3","1","1") = "9"
    & skf18("5","10","5","2","3","2","1") = "9"
    & skf18("5","10","5","2","3","3","1") = "9"
    & skf18("5","10","5","2","3","4","1") = "9"
    & skf18("5","10","5","2","3","5","1") = "9"
    & skf18("5","10","5","2","3","6","1") = "9"
    & skf18("5","10","5","2","3","7","1") = "9"
    & skf18("5","10","5","2","3","8","1") = "9"
    & skf18("5","10","5","2","3","9","1") = "9"
    & skf18("5","10","5","2","3","10","1") = "9"
    & skf18("5","10","5","2","4","1","1") = "9"
    & skf18("5","10","5","2","4","2","1") = "9"
    & skf18("5","10","5","2","4","3","1") = "9"
    & skf18("5","10","5","2","4","4","1") = "9"
    & skf18("5","10","5","2","4","5","1") = "9"
    & skf18("5","10","5","2","4","6","1") = "9"
    & skf18("5","10","5","2","4","7","1") = "9"
    & skf18("5","10","5","2","4","8","1") = "9"
    & skf18("5","10","5","2","4","9","1") = "9"
    & skf18("5","10","5","2","4","10","1") = "9"
    & skf18("5","10","5","2","5","1","1") = "9"
    & skf18("5","10","5","2","5","2","1") = "9"
    & skf18("5","10","5","2","5","3","1") = "9"
    & skf18("5","10","5","2","5","4","1") = "9"
    & skf18("5","10","5","2","5","5","1") = "9"
    & skf18("5","10","5","2","5","6","1") = "9"
    & skf18("5","10","5","2","5","7","1") = "9"
    & skf18("5","10","5","2","5","8","1") = "9"
    & skf18("5","10","5","2","5","9","1") = "9"
    & skf18("5","10","5","2","5","10","1") = "9"
    & skf18("5","10","5","2","6","1","1") = "9"
    & skf18("5","10","5","2","6","2","1") = "9"
    & skf18("5","10","5","2","6","3","1") = "9"
    & skf18("5","10","5","2","6","4","1") = "9"
    & skf18("5","10","5","2","6","5","1") = "9"
    & skf18("5","10","5","2","6","6","1") = "9"
    & skf18("5","10","5","2","6","7","1") = "9"
    & skf18("5","10","5","2","6","8","1") = "9"
    & skf18("5","10","5","2","6","9","1") = "9"
    & skf18("5","10","5","2","6","10","1") = "9"
    & skf18("5","10","5","2","7","1","1") = "9"
    & skf18("5","10","5","2","7","2","1") = "9"
    & skf18("5","10","5","2","7","3","1") = "9"
    & skf18("5","10","5","2","7","4","1") = "9"
    & skf18("5","10","5","2","7","5","1") = "9"
    & skf18("5","10","5","2","7","6","1") = "9"
    & skf18("5","10","5","2","7","7","1") = "9"
    & skf18("5","10","5","2","7","8","1") = "9"
    & skf18("5","10","5","2","7","9","1") = "9"
    & skf18("5","10","5","2","7","10","1") = "9"
    & skf18("5","10","5","2","8","1","1") = "9"
    & skf18("5","10","5","2","8","2","1") = "9"
    & skf18("5","10","5","2","8","3","1") = "9"
    & skf18("5","10","5","2","8","4","1") = "9"
    & skf18("5","10","5","2","8","5","1") = "9"
    & skf18("5","10","5","2","8","6","1") = "9"
    & skf18("5","10","5","2","8","7","1") = "9"
    & skf18("5","10","5","2","8","8","1") = "9"
    & skf18("5","10","5","2","8","9","1") = "9"
    & skf18("5","10","5","2","8","10","1") = "9"
    & skf18("5","10","5","2","9","1","1") = "9"
    & skf18("5","10","5","2","9","2","1") = "9"
    & skf18("5","10","5","2","9","3","1") = "9"
    & skf18("5","10","5","2","9","4","1") = "9"
    & skf18("5","10","5","2","9","5","1") = "9"
    & skf18("5","10","5","2","9","6","1") = "9"
    & skf18("5","10","5","2","9","7","1") = "9"
    & skf18("5","10","5","2","9","8","1") = "9"
    & skf18("5","10","5","2","9","9","1") = "9"
    & skf18("5","10","5","2","9","10","1") = "9"
    & skf18("5","10","5","2","10","1","1") = "9"
    & skf18("5","10","5","2","10","2","1") = "9"
    & skf18("5","10","5","2","10","3","1") = "9"
    & skf18("5","10","5","2","10","4","1") = "9"
    & skf18("5","10","5","2","10","5","1") = "9"
    & skf18("5","10","5","2","10","6","1") = "9"
    & skf18("5","10","5","2","10","7","1") = "9"
    & skf18("5","10","5","2","10","8","1") = "9"
    & skf18("5","10","5","2","10","9","1") = "9"
    & skf18("5","10","5","2","10","10","1") = "9"
    & skf18("5","10","5","3","1","1","1") = "9"
    & skf18("5","10","5","3","1","2","1") = "9"
    & skf18("5","10","5","3","1","3","1") = "9"
    & skf18("5","10","5","3","1","4","1") = "9"
    & skf18("5","10","5","3","1","5","1") = "9"
    & skf18("5","10","5","3","1","6","1") = "9"
    & skf18("5","10","5","3","1","7","1") = "9"
    & skf18("5","10","5","3","1","8","1") = "9"
    & skf18("5","10","5","3","1","9","1") = "9"
    & skf18("5","10","5","3","1","10","1") = "9"
    & skf18("5","10","5","3","2","1","1") = "9"
    & skf18("5","10","5","3","2","2","1") = "9"
    & skf18("5","10","5","3","2","3","1") = "9"
    & skf18("5","10","5","3","2","4","1") = "9"
    & skf18("5","10","5","3","2","5","1") = "9"
    & skf18("5","10","5","3","2","6","1") = "9"
    & skf18("5","10","5","3","2","7","1") = "9"
    & skf18("5","10","5","3","2","8","1") = "9"
    & skf18("5","10","5","3","2","9","1") = "9"
    & skf18("5","10","5","3","2","10","1") = "9"
    & skf18("5","10","5","3","3","1","1") = "9"
    & skf18("5","10","5","3","3","2","1") = "9"
    & skf18("5","10","5","3","3","3","1") = "9"
    & skf18("5","10","5","3","3","4","1") = "9"
    & skf18("5","10","5","3","3","5","1") = "9"
    & skf18("5","10","5","3","3","6","1") = "9"
    & skf18("5","10","5","3","3","7","1") = "9"
    & skf18("5","10","5","3","3","8","1") = "9"
    & skf18("5","10","5","3","3","9","1") = "9"
    & skf18("5","10","5","3","3","10","1") = "9"
    & skf18("5","10","5","3","4","1","1") = "9"
    & skf18("5","10","5","3","4","2","1") = "9"
    & skf18("5","10","5","3","4","3","1") = "9"
    & skf18("5","10","5","3","4","4","1") = "9"
    & skf18("5","10","5","3","4","5","1") = "9"
    & skf18("5","10","5","3","4","6","1") = "9"
    & skf18("5","10","5","3","4","7","1") = "9"
    & skf18("5","10","5","3","4","8","1") = "9"
    & skf18("5","10","5","3","4","9","1") = "9"
    & skf18("5","10","5","3","4","10","1") = "9"
    & skf18("5","10","5","3","5","1","1") = "9"
    & skf18("5","10","5","3","5","2","1") = "9"
    & skf18("5","10","5","3","5","3","1") = "9"
    & skf18("5","10","5","3","5","4","1") = "9"
    & skf18("5","10","5","3","5","5","1") = "9"
    & skf18("5","10","5","3","5","6","1") = "9"
    & skf18("5","10","5","3","5","7","1") = "9"
    & skf18("5","10","5","3","5","8","1") = "9"
    & skf18("5","10","5","3","5","9","1") = "9"
    & skf18("5","10","5","3","5","10","1") = "9"
    & skf18("5","10","5","3","6","1","1") = "9"
    & skf18("5","10","5","3","6","2","1") = "9"
    & skf18("5","10","5","3","6","3","1") = "9"
    & skf18("5","10","5","3","6","4","1") = "9"
    & skf18("5","10","5","3","6","5","1") = "9"
    & skf18("5","10","5","3","6","6","1") = "9"
    & skf18("5","10","5","3","6","7","1") = "9"
    & skf18("5","10","5","3","6","8","1") = "9"
    & skf18("5","10","5","3","6","9","1") = "9"
    & skf18("5","10","5","3","6","10","1") = "9"
    & skf18("5","10","5","3","7","1","1") = "9"
    & skf18("5","10","5","3","7","2","1") = "9"
    & skf18("5","10","5","3","7","3","1") = "9"
    & skf18("5","10","5","3","7","4","1") = "9"
    & skf18("5","10","5","3","7","5","1") = "9"
    & skf18("5","10","5","3","7","6","1") = "9"
    & skf18("5","10","5","3","7","7","1") = "9"
    & skf18("5","10","5","3","7","8","1") = "9"
    & skf18("5","10","5","3","7","9","1") = "9"
    & skf18("5","10","5","3","7","10","1") = "9"
    & skf18("5","10","5","3","8","1","1") = "9"
    & skf18("5","10","5","3","8","2","1") = "9"
    & skf18("5","10","5","3","8","3","1") = "9"
    & skf18("5","10","5","3","8","4","1") = "9"
    & skf18("5","10","5","3","8","5","1") = "9"
    & skf18("5","10","5","3","8","6","1") = "9"
    & skf18("5","10","5","3","8","7","1") = "9"
    & skf18("5","10","5","3","8","8","1") = "9"
    & skf18("5","10","5","3","8","9","1") = "9"
    & skf18("5","10","5","3","8","10","1") = "9"
    & skf18("5","10","5","3","9","1","1") = "9"
    & skf18("5","10","5","3","9","2","1") = "9"
    & skf18("5","10","5","3","9","3","1") = "9"
    & skf18("5","10","5","3","9","4","1") = "9"
    & skf18("5","10","5","3","9","5","1") = "9"
    & skf18("5","10","5","3","9","6","1") = "9"
    & skf18("5","10","5","3","9","7","1") = "9"
    & skf18("5","10","5","3","9","8","1") = "9"
    & skf18("5","10","5","3","9","9","1") = "9"
    & skf18("5","10","5","3","9","10","1") = "9"
    & skf18("5","10","5","3","10","1","1") = "9"
    & skf18("5","10","5","3","10","2","1") = "9"
    & skf18("5","10","5","3","10","3","1") = "9"
    & skf18("5","10","5","3","10","4","1") = "9"
    & skf18("5","10","5","3","10","5","1") = "9"
    & skf18("5","10","5","3","10","6","1") = "9"
    & skf18("5","10","5","3","10","7","1") = "9"
    & skf18("5","10","5","3","10","8","1") = "9"
    & skf18("5","10","5","3","10","9","1") = "9"
    & skf18("5","10","5","3","10","10","1") = "9"
    & skf18("5","10","5","4","1","1","1") = "9"
    & skf18("5","10","5","4","1","2","1") = "9"
    & skf18("5","10","5","4","1","3","1") = "9"
    & skf18("5","10","5","4","1","4","1") = "9"
    & skf18("5","10","5","4","1","5","1") = "9"
    & skf18("5","10","5","4","1","6","1") = "9"
    & skf18("5","10","5","4","1","7","1") = "9"
    & skf18("5","10","5","4","1","8","1") = "9"
    & skf18("5","10","5","4","1","9","1") = "9"
    & skf18("5","10","5","4","1","10","1") = "9"
    & skf18("5","10","5","4","2","1","1") = "9"
    & skf18("5","10","5","4","2","2","1") = "9"
    & skf18("5","10","5","4","2","3","1") = "9"
    & skf18("5","10","5","4","2","4","1") = "9"
    & skf18("5","10","5","4","2","5","1") = "9"
    & skf18("5","10","5","4","2","6","1") = "9"
    & skf18("5","10","5","4","2","7","1") = "9"
    & skf18("5","10","5","4","2","8","1") = "9"
    & skf18("5","10","5","4","2","9","1") = "9"
    & skf18("5","10","5","4","2","10","1") = "9"
    & skf18("5","10","5","4","3","1","1") = "9"
    & skf18("5","10","5","4","3","2","1") = "9"
    & skf18("5","10","5","4","3","3","1") = "9"
    & skf18("5","10","5","4","3","4","1") = "9"
    & skf18("5","10","5","4","3","5","1") = "9"
    & skf18("5","10","5","4","3","6","1") = "9"
    & skf18("5","10","5","4","3","7","1") = "9"
    & skf18("5","10","5","4","3","8","1") = "9"
    & skf18("5","10","5","4","3","9","1") = "9"
    & skf18("5","10","5","4","3","10","1") = "9"
    & skf18("5","10","5","4","4","1","1") = "9"
    & skf18("5","10","5","4","4","2","1") = "9"
    & skf18("5","10","5","4","4","3","1") = "9"
    & skf18("5","10","5","4","4","4","1") = "9"
    & skf18("5","10","5","4","4","5","1") = "9"
    & skf18("5","10","5","4","4","6","1") = "9"
    & skf18("5","10","5","4","4","7","1") = "9"
    & skf18("5","10","5","4","4","8","1") = "9"
    & skf18("5","10","5","4","4","9","1") = "9"
    & skf18("5","10","5","4","4","10","1") = "9"
    & skf18("5","10","5","4","5","1","1") = "9"
    & skf18("5","10","5","4","5","2","1") = "9"
    & skf18("5","10","5","4","5","3","1") = "9"
    & skf18("5","10","5","4","5","4","1") = "9"
    & skf18("5","10","5","4","5","5","1") = "9"
    & skf18("5","10","5","4","5","6","1") = "9"
    & skf18("5","10","5","4","5","7","1") = "9"
    & skf18("5","10","5","4","5","8","1") = "9"
    & skf18("5","10","5","4","5","9","1") = "9"
    & skf18("5","10","5","4","5","10","1") = "9"
    & skf18("5","10","5","4","6","1","1") = "9"
    & skf18("5","10","5","4","6","2","1") = "9"
    & skf18("5","10","5","4","6","3","1") = "9"
    & skf18("5","10","5","4","6","4","1") = "9"
    & skf18("5","10","5","4","6","5","1") = "9"
    & skf18("5","10","5","4","6","6","1") = "9"
    & skf18("5","10","5","4","6","7","1") = "9"
    & skf18("5","10","5","4","6","8","1") = "9"
    & skf18("5","10","5","4","6","9","1") = "9"
    & skf18("5","10","5","4","6","10","1") = "9"
    & skf18("5","10","5","4","7","1","1") = "9"
    & skf18("5","10","5","4","7","2","1") = "9"
    & skf18("5","10","5","4","7","3","1") = "9"
    & skf18("5","10","5","4","7","4","1") = "9"
    & skf18("5","10","5","4","7","5","1") = "9"
    & skf18("5","10","5","4","7","6","1") = "9"
    & skf18("5","10","5","4","7","7","1") = "9"
    & skf18("5","10","5","4","7","8","1") = "9"
    & skf18("5","10","5","4","7","9","1") = "9"
    & skf18("5","10","5","4","7","10","1") = "9"
    & skf18("5","10","5","4","8","1","1") = "9"
    & skf18("5","10","5","4","8","2","1") = "9"
    & skf18("5","10","5","4","8","3","1") = "9"
    & skf18("5","10","5","4","8","4","1") = "9"
    & skf18("5","10","5","4","8","5","1") = "9"
    & skf18("5","10","5","4","8","6","1") = "9"
    & skf18("5","10","5","4","8","7","1") = "9"
    & skf18("5","10","5","4","8","8","1") = "9"
    & skf18("5","10","5","4","8","9","1") = "9"
    & skf18("5","10","5","4","8","10","1") = "9"
    & skf18("5","10","5","4","9","1","1") = "9"
    & skf18("5","10","5","4","9","2","1") = "9"
    & skf18("5","10","5","4","9","3","1") = "9"
    & skf18("5","10","5","4","9","4","1") = "9"
    & skf18("5","10","5","4","9","5","1") = "9"
    & skf18("5","10","5","4","9","6","1") = "9"
    & skf18("5","10","5","4","9","7","1") = "9"
    & skf18("5","10","5","4","9","8","1") = "9"
    & skf18("5","10","5","4","9","9","1") = "9"
    & skf18("5","10","5","4","9","10","1") = "9"
    & skf18("5","10","5","4","10","1","1") = "9"
    & skf18("5","10","5","4","10","2","1") = "9"
    & skf18("5","10","5","4","10","3","1") = "9"
    & skf18("5","10","5","4","10","4","1") = "9"
    & skf18("5","10","5","4","10","5","1") = "9"
    & skf18("5","10","5","4","10","6","1") = "9"
    & skf18("5","10","5","4","10","7","1") = "9"
    & skf18("5","10","5","4","10","8","1") = "9"
    & skf18("5","10","5","4","10","9","1") = "9"
    & skf18("5","10","5","4","10","10","1") = "9"
    & skf18("5","10","5","5","1","1","1") = "9"
    & skf18("5","10","5","5","1","2","1") = "9"
    & skf18("5","10","5","5","1","3","1") = "9"
    & skf18("5","10","5","5","1","4","1") = "9"
    & skf18("5","10","5","5","1","5","1") = "9"
    & skf18("5","10","5","5","1","6","1") = "9"
    & skf18("5","10","5","5","1","7","1") = "9"
    & skf18("5","10","5","5","1","8","1") = "9"
    & skf18("5","10","5","5","1","9","1") = "9"
    & skf18("5","10","5","5","1","10","1") = "9"
    & skf18("5","10","5","5","2","1","1") = "9"
    & skf18("5","10","5","5","2","2","1") = "9"
    & skf18("5","10","5","5","2","3","1") = "9"
    & skf18("5","10","5","5","2","4","1") = "9"
    & skf18("5","10","5","5","2","5","1") = "9"
    & skf18("5","10","5","5","2","6","1") = "9"
    & skf18("5","10","5","5","2","7","1") = "9"
    & skf18("5","10","5","5","2","8","1") = "9"
    & skf18("5","10","5","5","2","9","1") = "9"
    & skf18("5","10","5","5","2","10","1") = "9"
    & skf18("5","10","5","5","3","1","1") = "9"
    & skf18("5","10","5","5","3","2","1") = "9"
    & skf18("5","10","5","5","3","3","1") = "9"
    & skf18("5","10","5","5","3","4","1") = "9"
    & skf18("5","10","5","5","3","5","1") = "9"
    & skf18("5","10","5","5","3","6","1") = "9"
    & skf18("5","10","5","5","3","7","1") = "9"
    & skf18("5","10","5","5","3","8","1") = "9"
    & skf18("5","10","5","5","3","9","1") = "9"
    & skf18("5","10","5","5","3","10","1") = "9"
    & skf18("5","10","5","5","4","1","1") = "9"
    & skf18("5","10","5","5","4","2","1") = "9"
    & skf18("5","10","5","5","4","3","1") = "9"
    & skf18("5","10","5","5","4","4","1") = "9"
    & skf18("5","10","5","5","4","5","1") = "9"
    & skf18("5","10","5","5","4","6","1") = "9"
    & skf18("5","10","5","5","4","7","1") = "9"
    & skf18("5","10","5","5","4","8","1") = "9"
    & skf18("5","10","5","5","4","9","1") = "9"
    & skf18("5","10","5","5","4","10","1") = "9"
    & skf18("5","10","5","5","5","1","1") = "9"
    & skf18("5","10","5","5","5","2","1") = "9"
    & skf18("5","10","5","5","5","3","1") = "9"
    & skf18("5","10","5","5","5","4","1") = "9"
    & skf18("5","10","5","5","5","5","1") = "9"
    & skf18("5","10","5","5","5","6","1") = "9"
    & skf18("5","10","5","5","5","7","1") = "9"
    & skf18("5","10","5","5","5","8","1") = "9"
    & skf18("5","10","5","5","5","9","1") = "9"
    & skf18("5","10","5","5","5","10","1") = "9"
    & skf18("5","10","5","5","6","1","1") = "9"
    & skf18("5","10","5","5","6","2","1") = "9"
    & skf18("5","10","5","5","6","3","1") = "9"
    & skf18("5","10","5","5","6","4","1") = "9"
    & skf18("5","10","5","5","6","5","1") = "9"
    & skf18("5","10","5","5","6","6","1") = "9"
    & skf18("5","10","5","5","6","7","1") = "9"
    & skf18("5","10","5","5","6","8","1") = "9"
    & skf18("5","10","5","5","6","9","1") = "9"
    & skf18("5","10","5","5","6","10","1") = "9"
    & skf18("5","10","5","5","7","1","1") = "9"
    & skf18("5","10","5","5","7","2","1") = "9"
    & skf18("5","10","5","5","7","3","1") = "9"
    & skf18("5","10","5","5","7","4","1") = "9"
    & skf18("5","10","5","5","7","5","1") = "9"
    & skf18("5","10","5","5","7","6","1") = "9"
    & skf18("5","10","5","5","7","7","1") = "9"
    & skf18("5","10","5","5","7","8","1") = "9"
    & skf18("5","10","5","5","7","9","1") = "9"
    & skf18("5","10","5","5","7","10","1") = "9"
    & skf18("5","10","5","5","8","1","1") = "9"
    & skf18("5","10","5","5","8","2","1") = "9"
    & skf18("5","10","5","5","8","3","1") = "9"
    & skf18("5","10","5","5","8","4","1") = "9"
    & skf18("5","10","5","5","8","5","1") = "9"
    & skf18("5","10","5","5","8","6","1") = "9"
    & skf18("5","10","5","5","8","7","1") = "9"
    & skf18("5","10","5","5","8","8","1") = "9"
    & skf18("5","10","5","5","8","9","1") = "9"
    & skf18("5","10","5","5","8","10","1") = "9"
    & skf18("5","10","5","5","9","1","1") = "9"
    & skf18("5","10","5","5","9","2","1") = "9"
    & skf18("5","10","5","5","9","3","1") = "9"
    & skf18("5","10","5","5","9","4","1") = "9"
    & skf18("5","10","5","5","9","5","1") = "9"
    & skf18("5","10","5","5","9","6","1") = "9"
    & skf18("5","10","5","5","9","7","1") = "9"
    & skf18("5","10","5","5","9","8","1") = "9"
    & skf18("5","10","5","5","9","9","1") = "9"
    & skf18("5","10","5","5","9","10","1") = "9"
    & skf18("5","10","5","5","10","1","1") = "9"
    & skf18("5","10","5","5","10","2","1") = "9"
    & skf18("5","10","5","5","10","3","1") = "9"
    & skf18("5","10","5","5","10","4","1") = "9"
    & skf18("5","10","5","5","10","5","1") = "9"
    & skf18("5","10","5","5","10","6","1") = "9"
    & skf18("5","10","5","5","10","7","1") = "9"
    & skf18("5","10","5","5","10","8","1") = "9"
    & skf18("5","10","5","5","10","9","1") = "9"
    & skf18("5","10","5","5","10","10","1") = "9"
    & skf18("5","10","5","6","1","1","1") = "9"
    & skf18("5","10","5","6","1","2","1") = "9"
    & skf18("5","10","5","6","1","3","1") = "9"
    & skf18("5","10","5","6","1","4","1") = "9"
    & skf18("5","10","5","6","1","5","1") = "9"
    & skf18("5","10","5","6","1","6","1") = "9"
    & skf18("5","10","5","6","1","7","1") = "9"
    & skf18("5","10","5","6","1","8","1") = "9"
    & skf18("5","10","5","6","1","9","1") = "9"
    & skf18("5","10","5","6","1","10","1") = "9"
    & skf18("5","10","5","6","2","1","1") = "9"
    & skf18("5","10","5","6","2","2","1") = "9"
    & skf18("5","10","5","6","2","3","1") = "9"
    & skf18("5","10","5","6","2","4","1") = "9"
    & skf18("5","10","5","6","2","5","1") = "9"
    & skf18("5","10","5","6","2","6","1") = "9"
    & skf18("5","10","5","6","2","7","1") = "9"
    & skf18("5","10","5","6","2","8","1") = "9"
    & skf18("5","10","5","6","2","9","1") = "9"
    & skf18("5","10","5","6","2","10","1") = "9"
    & skf18("5","10","5","6","3","1","1") = "9"
    & skf18("5","10","5","6","3","2","1") = "9"
    & skf18("5","10","5","6","3","3","1") = "9"
    & skf18("5","10","5","6","3","4","1") = "9"
    & skf18("5","10","5","6","3","5","1") = "9"
    & skf18("5","10","5","6","3","6","1") = "9"
    & skf18("5","10","5","6","3","7","1") = "9"
    & skf18("5","10","5","6","3","8","1") = "9"
    & skf18("5","10","5","6","3","9","1") = "9"
    & skf18("5","10","5","6","3","10","1") = "9"
    & skf18("5","10","5","6","4","1","1") = "9"
    & skf18("5","10","5","6","4","2","1") = "9"
    & skf18("5","10","5","6","4","3","1") = "9"
    & skf18("5","10","5","6","4","4","1") = "9"
    & skf18("5","10","5","6","4","5","1") = "9"
    & skf18("5","10","5","6","4","6","1") = "9"
    & skf18("5","10","5","6","4","7","1") = "9"
    & skf18("5","10","5","6","4","8","1") = "9"
    & skf18("5","10","5","6","4","9","1") = "9"
    & skf18("5","10","5","6","4","10","1") = "9"
    & skf18("5","10","5","6","5","1","1") = "9"
    & skf18("5","10","5","6","5","2","1") = "9"
    & skf18("5","10","5","6","5","3","1") = "9"
    & skf18("5","10","5","6","5","4","1") = "9"
    & skf18("5","10","5","6","5","5","1") = "9"
    & skf18("5","10","5","6","5","6","1") = "9"
    & skf18("5","10","5","6","5","7","1") = "9"
    & skf18("5","10","5","6","5","8","1") = "9"
    & skf18("5","10","5","6","5","9","1") = "9"
    & skf18("5","10","5","6","5","10","1") = "9"
    & skf18("5","10","5","6","6","1","1") = "9"
    & skf18("5","10","5","6","6","2","1") = "9"
    & skf18("5","10","5","6","6","3","1") = "9"
    & skf18("5","10","5","6","6","4","1") = "9"
    & skf18("5","10","5","6","6","5","1") = "9"
    & skf18("5","10","5","6","6","6","1") = "9"
    & skf18("5","10","5","6","6","7","1") = "9"
    & skf18("5","10","5","6","6","8","1") = "9"
    & skf18("5","10","5","6","6","9","1") = "9"
    & skf18("5","10","5","6","6","10","1") = "9"
    & skf18("5","10","5","6","7","1","1") = "9"
    & skf18("5","10","5","6","7","2","1") = "9"
    & skf18("5","10","5","6","7","3","1") = "9"
    & skf18("5","10","5","6","7","4","1") = "9"
    & skf18("5","10","5","6","7","5","1") = "9"
    & skf18("5","10","5","6","7","6","1") = "9"
    & skf18("5","10","5","6","7","7","1") = "9"
    & skf18("5","10","5","6","7","8","1") = "9"
    & skf18("5","10","5","6","7","9","1") = "9"
    & skf18("5","10","5","6","7","10","1") = "9"
    & skf18("5","10","5","6","8","1","1") = "9"
    & skf18("5","10","5","6","8","2","1") = "9"
    & skf18("5","10","5","6","8","3","1") = "9"
    & skf18("5","10","5","6","8","4","1") = "9"
    & skf18("5","10","5","6","8","5","1") = "9"
    & skf18("5","10","5","6","8","6","1") = "9"
    & skf18("5","10","5","6","8","7","1") = "9"
    & skf18("5","10","5","6","8","8","1") = "9"
    & skf18("5","10","5","6","8","9","1") = "9"
    & skf18("5","10","5","6","8","10","1") = "9"
    & skf18("5","10","5","6","9","1","1") = "9"
    & skf18("5","10","5","6","9","2","1") = "9"
    & skf18("5","10","5","6","9","3","1") = "9"
    & skf18("5","10","5","6","9","4","1") = "9"
    & skf18("5","10","5","6","9","5","1") = "9"
    & skf18("5","10","5","6","9","6","1") = "9"
    & skf18("5","10","5","6","9","7","1") = "9"
    & skf18("5","10","5","6","9","8","1") = "9"
    & skf18("5","10","5","6","9","9","1") = "9"
    & skf18("5","10","5","6","9","10","1") = "9"
    & skf18("5","10","5","6","10","1","1") = "9"
    & skf18("5","10","5","6","10","2","1") = "9"
    & skf18("5","10","5","6","10","3","1") = "9"
    & skf18("5","10","5","6","10","4","1") = "9"
    & skf18("5","10","5","6","10","5","1") = "9"
    & skf18("5","10","5","6","10","6","1") = "9"
    & skf18("5","10","5","6","10","7","1") = "9"
    & skf18("5","10","5","6","10","8","1") = "9"
    & skf18("5","10","5","6","10","9","1") = "9"
    & skf18("5","10","5","6","10","10","1") = "9"
    & skf18("5","10","5","7","1","1","1") = "9"
    & skf18("5","10","5","7","1","2","1") = "9"
    & skf18("5","10","5","7","1","3","1") = "9"
    & skf18("5","10","5","7","1","4","1") = "9"
    & skf18("5","10","5","7","1","5","1") = "9"
    & skf18("5","10","5","7","1","6","1") = "9"
    & skf18("5","10","5","7","1","7","1") = "9"
    & skf18("5","10","5","7","1","8","1") = "9"
    & skf18("5","10","5","7","1","9","1") = "9"
    & skf18("5","10","5","7","1","10","1") = "9"
    & skf18("5","10","5","7","2","1","1") = "9"
    & skf18("5","10","5","7","2","2","1") = "9"
    & skf18("5","10","5","7","2","3","1") = "9"
    & skf18("5","10","5","7","2","4","1") = "9"
    & skf18("5","10","5","7","2","5","1") = "9"
    & skf18("5","10","5","7","2","6","1") = "9"
    & skf18("5","10","5","7","2","7","1") = "9"
    & skf18("5","10","5","7","2","8","1") = "9"
    & skf18("5","10","5","7","2","9","1") = "9"
    & skf18("5","10","5","7","2","10","1") = "9"
    & skf18("5","10","5","7","3","1","1") = "9"
    & skf18("5","10","5","7","3","2","1") = "9"
    & skf18("5","10","5","7","3","3","1") = "9"
    & skf18("5","10","5","7","3","4","1") = "9"
    & skf18("5","10","5","7","3","5","1") = "9"
    & skf18("5","10","5","7","3","6","1") = "9"
    & skf18("5","10","5","7","3","7","1") = "9"
    & skf18("5","10","5","7","3","8","1") = "9"
    & skf18("5","10","5","7","3","9","1") = "9"
    & skf18("5","10","5","7","3","10","1") = "9"
    & skf18("5","10","5","7","4","1","1") = "9"
    & skf18("5","10","5","7","4","2","1") = "9"
    & skf18("5","10","5","7","4","3","1") = "9"
    & skf18("5","10","5","7","4","4","1") = "9"
    & skf18("5","10","5","7","4","5","1") = "9"
    & skf18("5","10","5","7","4","6","1") = "9"
    & skf18("5","10","5","7","4","7","1") = "9"
    & skf18("5","10","5","7","4","8","1") = "9"
    & skf18("5","10","5","7","4","9","1") = "9"
    & skf18("5","10","5","7","4","10","1") = "9"
    & skf18("5","10","5","7","5","1","1") = "9"
    & skf18("5","10","5","7","5","2","1") = "9"
    & skf18("5","10","5","7","5","3","1") = "9"
    & skf18("5","10","5","7","5","4","1") = "9"
    & skf18("5","10","5","7","5","5","1") = "9"
    & skf18("5","10","5","7","5","6","1") = "9"
    & skf18("5","10","5","7","5","7","1") = "9"
    & skf18("5","10","5","7","5","8","1") = "9"
    & skf18("5","10","5","7","5","9","1") = "9"
    & skf18("5","10","5","7","5","10","1") = "9"
    & skf18("5","10","5","7","6","1","1") = "9"
    & skf18("5","10","5","7","6","2","1") = "9"
    & skf18("5","10","5","7","6","3","1") = "9"
    & skf18("5","10","5","7","6","4","1") = "9"
    & skf18("5","10","5","7","6","5","1") = "9"
    & skf18("5","10","5","7","6","6","1") = "9"
    & skf18("5","10","5","7","6","7","1") = "9"
    & skf18("5","10","5","7","6","8","1") = "9"
    & skf18("5","10","5","7","6","9","1") = "9"
    & skf18("5","10","5","7","6","10","1") = "9"
    & skf18("5","10","5","7","7","1","1") = "9"
    & skf18("5","10","5","7","7","2","1") = "9"
    & skf18("5","10","5","7","7","3","1") = "9"
    & skf18("5","10","5","7","7","4","1") = "9"
    & skf18("5","10","5","7","7","5","1") = "9"
    & skf18("5","10","5","7","7","6","1") = "9"
    & skf18("5","10","5","7","7","7","1") = "9"
    & skf18("5","10","5","7","7","8","1") = "9"
    & skf18("5","10","5","7","7","9","1") = "9"
    & skf18("5","10","5","7","7","10","1") = "9"
    & skf18("5","10","5","7","8","1","1") = "9"
    & skf18("5","10","5","7","8","2","1") = "9"
    & skf18("5","10","5","7","8","3","1") = "9"
    & skf18("5","10","5","7","8","4","1") = "9"
    & skf18("5","10","5","7","8","5","1") = "9"
    & skf18("5","10","5","7","8","6","1") = "9"
    & skf18("5","10","5","7","8","7","1") = "9"
    & skf18("5","10","5","7","8","8","1") = "9"
    & skf18("5","10","5","7","8","9","1") = "9"
    & skf18("5","10","5","7","8","10","1") = "9"
    & skf18("5","10","5","7","9","1","1") = "9"
    & skf18("5","10","5","7","9","2","1") = "9"
    & skf18("5","10","5","7","9","3","1") = "9"
    & skf18("5","10","5","7","9","4","1") = "9"
    & skf18("5","10","5","7","9","5","1") = "9"
    & skf18("5","10","5","7","9","6","1") = "9"
    & skf18("5","10","5","7","9","7","1") = "9"
    & skf18("5","10","5","7","9","8","1") = "9"
    & skf18("5","10","5","7","9","9","1") = "9"
    & skf18("5","10","5","7","9","10","1") = "9"
    & skf18("5","10","5","7","10","1","1") = "9"
    & skf18("5","10","5","7","10","2","1") = "9"
    & skf18("5","10","5","7","10","3","1") = "9"
    & skf18("5","10","5","7","10","4","1") = "9"
    & skf18("5","10","5","7","10","5","1") = "9"
    & skf18("5","10","5","7","10","6","1") = "9"
    & skf18("5","10","5","7","10","7","1") = "9"
    & skf18("5","10","5","7","10","8","1") = "9"
    & skf18("5","10","5","7","10","9","1") = "9"
    & skf18("5","10","5","7","10","10","1") = "9"
    & skf18("5","10","5","8","1","1","1") = "9"
    & skf18("5","10","5","8","1","2","1") = "9"
    & skf18("5","10","5","8","1","3","1") = "9"
    & skf18("5","10","5","8","1","4","1") = "9"
    & skf18("5","10","5","8","1","5","1") = "9"
    & skf18("5","10","5","8","1","6","1") = "9"
    & skf18("5","10","5","8","1","7","1") = "9"
    & skf18("5","10","5","8","1","8","1") = "9"
    & skf18("5","10","5","8","1","9","1") = "9"
    & skf18("5","10","5","8","1","10","1") = "9"
    & skf18("5","10","5","8","2","1","1") = "9"
    & skf18("5","10","5","8","2","2","1") = "9"
    & skf18("5","10","5","8","2","3","1") = "9"
    & skf18("5","10","5","8","2","4","1") = "9"
    & skf18("5","10","5","8","2","5","1") = "9"
    & skf18("5","10","5","8","2","6","1") = "9"
    & skf18("5","10","5","8","2","7","1") = "9"
    & skf18("5","10","5","8","2","8","1") = "9"
    & skf18("5","10","5","8","2","9","1") = "9"
    & skf18("5","10","5","8","2","10","1") = "9"
    & skf18("5","10","5","8","3","1","1") = "9"
    & skf18("5","10","5","8","3","2","1") = "9"
    & skf18("5","10","5","8","3","3","1") = "9"
    & skf18("5","10","5","8","3","4","1") = "9"
    & skf18("5","10","5","8","3","5","1") = "9"
    & skf18("5","10","5","8","3","6","1") = "9"
    & skf18("5","10","5","8","3","7","1") = "9"
    & skf18("5","10","5","8","3","8","1") = "9"
    & skf18("5","10","5","8","3","9","1") = "9"
    & skf18("5","10","5","8","3","10","1") = "9"
    & skf18("5","10","5","8","4","1","1") = "9"
    & skf18("5","10","5","8","4","2","1") = "9"
    & skf18("5","10","5","8","4","3","1") = "9"
    & skf18("5","10","5","8","4","4","1") = "9"
    & skf18("5","10","5","8","4","5","1") = "9"
    & skf18("5","10","5","8","4","6","1") = "9"
    & skf18("5","10","5","8","4","7","1") = "9"
    & skf18("5","10","5","8","4","8","1") = "9"
    & skf18("5","10","5","8","4","9","1") = "9"
    & skf18("5","10","5","8","4","10","1") = "9"
    & skf18("5","10","5","8","5","1","1") = "9"
    & skf18("5","10","5","8","5","2","1") = "9"
    & skf18("5","10","5","8","5","3","1") = "9"
    & skf18("5","10","5","8","5","4","1") = "9"
    & skf18("5","10","5","8","5","5","1") = "9"
    & skf18("5","10","5","8","5","6","1") = "9"
    & skf18("5","10","5","8","5","7","1") = "9"
    & skf18("5","10","5","8","5","8","1") = "9"
    & skf18("5","10","5","8","5","9","1") = "9"
    & skf18("5","10","5","8","5","10","1") = "9"
    & skf18("5","10","5","8","6","1","1") = "9"
    & skf18("5","10","5","8","6","2","1") = "9"
    & skf18("5","10","5","8","6","3","1") = "9"
    & skf18("5","10","5","8","6","4","1") = "9"
    & skf18("5","10","5","8","6","5","1") = "9"
    & skf18("5","10","5","8","6","6","1") = "9"
    & skf18("5","10","5","8","6","7","1") = "9"
    & skf18("5","10","5","8","6","8","1") = "9"
    & skf18("5","10","5","8","6","9","1") = "9"
    & skf18("5","10","5","8","6","10","1") = "9"
    & skf18("5","10","5","8","7","1","1") = "9"
    & skf18("5","10","5","8","7","2","1") = "9"
    & skf18("5","10","5","8","7","3","1") = "9"
    & skf18("5","10","5","8","7","4","1") = "9"
    & skf18("5","10","5","8","7","5","1") = "9"
    & skf18("5","10","5","8","7","6","1") = "9"
    & skf18("5","10","5","8","7","7","1") = "9"
    & skf18("5","10","5","8","7","8","1") = "9"
    & skf18("5","10","5","8","7","9","1") = "9"
    & skf18("5","10","5","8","7","10","1") = "9"
    & skf18("5","10","5","8","8","1","1") = "9"
    & skf18("5","10","5","8","8","2","1") = "9"
    & skf18("5","10","5","8","8","3","1") = "9"
    & skf18("5","10","5","8","8","4","1") = "9"
    & skf18("5","10","5","8","8","5","1") = "9"
    & skf18("5","10","5","8","8","6","1") = "9"
    & skf18("5","10","5","8","8","7","1") = "9"
    & skf18("5","10","5","8","8","8","1") = "9"
    & skf18("5","10","5","8","8","9","1") = "9"
    & skf18("5","10","5","8","8","10","1") = "9"
    & skf18("5","10","5","8","9","1","1") = "9"
    & skf18("5","10","5","8","9","2","1") = "9"
    & skf18("5","10","5","8","9","3","1") = "9"
    & skf18("5","10","5","8","9","4","1") = "9"
    & skf18("5","10","5","8","9","5","1") = "9"
    & skf18("5","10","5","8","9","6","1") = "9"
    & skf18("5","10","5","8","9","7","1") = "9"
    & skf18("5","10","5","8","9","8","1") = "9"
    & skf18("5","10","5","8","9","9","1") = "9"
    & skf18("5","10","5","8","9","10","1") = "9"
    & skf18("5","10","5","8","10","1","1") = "9"
    & skf18("5","10","5","8","10","2","1") = "9"
    & skf18("5","10","5","8","10","3","1") = "9"
    & skf18("5","10","5","8","10","4","1") = "9"
    & skf18("5","10","5","8","10","5","1") = "9"
    & skf18("5","10","5","8","10","6","1") = "9"
    & skf18("5","10","5","8","10","7","1") = "9"
    & skf18("5","10","5","8","10","8","1") = "9"
    & skf18("5","10","5","8","10","9","1") = "9"
    & skf18("5","10","5","8","10","10","1") = "9"
    & skf18("5","10","5","9","1","1","1") = "9"
    & skf18("5","10","5","9","1","2","1") = "9"
    & skf18("5","10","5","9","1","3","1") = "9"
    & skf18("5","10","5","9","1","4","1") = "9"
    & skf18("5","10","5","9","1","5","1") = "9"
    & skf18("5","10","5","9","1","6","1") = "9"
    & skf18("5","10","5","9","1","7","1") = "9"
    & skf18("5","10","5","9","1","8","1") = "9"
    & skf18("5","10","5","9","1","9","1") = "9"
    & skf18("5","10","5","9","1","10","1") = "9"
    & skf18("5","10","5","9","2","1","1") = "9"
    & skf18("5","10","5","9","2","2","1") = "9"
    & skf18("5","10","5","9","2","3","1") = "9"
    & skf18("5","10","5","9","2","4","1") = "9"
    & skf18("5","10","5","9","2","5","1") = "9"
    & skf18("5","10","5","9","2","6","1") = "9"
    & skf18("5","10","5","9","2","7","1") = "9"
    & skf18("5","10","5","9","2","8","1") = "9"
    & skf18("5","10","5","9","2","9","1") = "9"
    & skf18("5","10","5","9","2","10","1") = "9"
    & skf18("5","10","5","9","3","1","1") = "9"
    & skf18("5","10","5","9","3","2","1") = "9"
    & skf18("5","10","5","9","3","3","1") = "9"
    & skf18("5","10","5","9","3","4","1") = "9"
    & skf18("5","10","5","9","3","5","1") = "9"
    & skf18("5","10","5","9","3","6","1") = "9"
    & skf18("5","10","5","9","3","7","1") = "9"
    & skf18("5","10","5","9","3","8","1") = "9"
    & skf18("5","10","5","9","3","9","1") = "9"
    & skf18("5","10","5","9","3","10","1") = "9"
    & skf18("5","10","5","9","4","1","1") = "9"
    & skf18("5","10","5","9","4","2","1") = "9"
    & skf18("5","10","5","9","4","3","1") = "9"
    & skf18("5","10","5","9","4","4","1") = "9"
    & skf18("5","10","5","9","4","5","1") = "9"
    & skf18("5","10","5","9","4","6","1") = "9"
    & skf18("5","10","5","9","4","7","1") = "9"
    & skf18("5","10","5","9","4","8","1") = "9"
    & skf18("5","10","5","9","4","9","1") = "9"
    & skf18("5","10","5","9","4","10","1") = "9"
    & skf18("5","10","5","9","5","1","1") = "9"
    & skf18("5","10","5","9","5","2","1") = "9"
    & skf18("5","10","5","9","5","3","1") = "9"
    & skf18("5","10","5","9","5","4","1") = "9"
    & skf18("5","10","5","9","5","5","1") = "9"
    & skf18("5","10","5","9","5","6","1") = "9"
    & skf18("5","10","5","9","5","7","1") = "9"
    & skf18("5","10","5","9","5","8","1") = "9"
    & skf18("5","10","5","9","5","9","1") = "9"
    & skf18("5","10","5","9","5","10","1") = "9"
    & skf18("5","10","5","9","6","1","1") = "9"
    & skf18("5","10","5","9","6","2","1") = "9"
    & skf18("5","10","5","9","6","3","1") = "9"
    & skf18("5","10","5","9","6","4","1") = "9"
    & skf18("5","10","5","9","6","5","1") = "9"
    & skf18("5","10","5","9","6","6","1") = "9"
    & skf18("5","10","5","9","6","7","1") = "9"
    & skf18("5","10","5","9","6","8","1") = "9"
    & skf18("5","10","5","9","6","9","1") = "9"
    & skf18("5","10","5","9","6","10","1") = "9"
    & skf18("5","10","5","9","7","1","1") = "9"
    & skf18("5","10","5","9","7","2","1") = "9"
    & skf18("5","10","5","9","7","3","1") = "9"
    & skf18("5","10","5","9","7","4","1") = "9"
    & skf18("5","10","5","9","7","5","1") = "9"
    & skf18("5","10","5","9","7","6","1") = "9"
    & skf18("5","10","5","9","7","7","1") = "9"
    & skf18("5","10","5","9","7","8","1") = "9"
    & skf18("5","10","5","9","7","9","1") = "9"
    & skf18("5","10","5","9","7","10","1") = "9"
    & skf18("5","10","5","9","8","1","1") = "9"
    & skf18("5","10","5","9","8","2","1") = "9"
    & skf18("5","10","5","9","8","3","1") = "9"
    & skf18("5","10","5","9","8","4","1") = "9"
    & skf18("5","10","5","9","8","5","1") = "9"
    & skf18("5","10","5","9","8","6","1") = "9"
    & skf18("5","10","5","9","8","7","1") = "9"
    & skf18("5","10","5","9","8","8","1") = "9"
    & skf18("5","10","5","9","8","9","1") = "9"
    & skf18("5","10","5","9","8","10","1") = "9"
    & skf18("5","10","5","9","9","1","1") = "9"
    & skf18("5","10","5","9","9","2","1") = "9"
    & skf18("5","10","5","9","9","3","1") = "9"
    & skf18("5","10","5","9","9","4","1") = "9"
    & skf18("5","10","5","9","9","5","1") = "9"
    & skf18("5","10","5","9","9","6","1") = "9"
    & skf18("5","10","5","9","9","7","1") = "9"
    & skf18("5","10","5","9","9","8","1") = "9"
    & skf18("5","10","5","9","9","9","1") = "9"
    & skf18("5","10","5","9","9","10","1") = "9"
    & skf18("5","10","5","9","10","1","1") = "9"
    & skf18("5","10","5","9","10","2","1") = "9"
    & skf18("5","10","5","9","10","3","1") = "9"
    & skf18("5","10","5","9","10","4","1") = "9"
    & skf18("5","10","5","9","10","5","1") = "9"
    & skf18("5","10","5","9","10","6","1") = "9"
    & skf18("5","10","5","9","10","7","1") = "9"
    & skf18("5","10","5","9","10","8","1") = "9"
    & skf18("5","10","5","9","10","9","1") = "9"
    & skf18("5","10","5","9","10","10","1") = "9"
    & skf18("5","10","5","10","1","1","1") = "9"
    & skf18("5","10","5","10","1","2","1") = "9"
    & skf18("5","10","5","10","1","3","1") = "9"
    & skf18("5","10","5","10","1","4","1") = "9"
    & skf18("5","10","5","10","1","5","1") = "9"
    & skf18("5","10","5","10","1","6","1") = "9"
    & skf18("5","10","5","10","1","7","1") = "9"
    & skf18("5","10","5","10","1","8","1") = "9"
    & skf18("5","10","5","10","1","9","1") = "9"
    & skf18("5","10","5","10","1","10","1") = "9"
    & skf18("5","10","5","10","2","1","1") = "9"
    & skf18("5","10","5","10","2","2","1") = "9"
    & skf18("5","10","5","10","2","3","1") = "9"
    & skf18("5","10","5","10","2","4","1") = "9"
    & skf18("5","10","5","10","2","5","1") = "9"
    & skf18("5","10","5","10","2","6","1") = "9"
    & skf18("5","10","5","10","2","7","1") = "9"
    & skf18("5","10","5","10","2","8","1") = "9"
    & skf18("5","10","5","10","2","9","1") = "9"
    & skf18("5","10","5","10","2","10","1") = "9"
    & skf18("5","10","5","10","3","1","1") = "9"
    & skf18("5","10","5","10","3","2","1") = "9"
    & skf18("5","10","5","10","3","3","1") = "9"
    & skf18("5","10","5","10","3","4","1") = "9"
    & skf18("5","10","5","10","3","5","1") = "9"
    & skf18("5","10","5","10","3","6","1") = "9"
    & skf18("5","10","5","10","3","7","1") = "9"
    & skf18("5","10","5","10","3","8","1") = "9"
    & skf18("5","10","5","10","3","9","1") = "9"
    & skf18("5","10","5","10","3","10","1") = "9"
    & skf18("5","10","5","10","4","1","1") = "9"
    & skf18("5","10","5","10","4","2","1") = "9"
    & skf18("5","10","5","10","4","3","1") = "9"
    & skf18("5","10","5","10","4","4","1") = "9"
    & skf18("5","10","5","10","4","5","1") = "9"
    & skf18("5","10","5","10","4","6","1") = "9"
    & skf18("5","10","5","10","4","7","1") = "9"
    & skf18("5","10","5","10","4","8","1") = "9"
    & skf18("5","10","5","10","4","9","1") = "9"
    & skf18("5","10","5","10","4","10","1") = "9"
    & skf18("5","10","5","10","5","1","1") = "9"
    & skf18("5","10","5","10","5","2","1") = "9"
    & skf18("5","10","5","10","5","3","1") = "9"
    & skf18("5","10","5","10","5","4","1") = "9"
    & skf18("5","10","5","10","5","5","1") = "9"
    & skf18("5","10","5","10","5","6","1") = "9"
    & skf18("5","10","5","10","5","7","1") = "9"
    & skf18("5","10","5","10","5","8","1") = "9"
    & skf18("5","10","5","10","5","9","1") = "9"
    & skf18("5","10","5","10","5","10","1") = "9"
    & skf18("5","10","5","10","6","1","1") = "9"
    & skf18("5","10","5","10","6","2","1") = "9"
    & skf18("5","10","5","10","6","3","1") = "9"
    & skf18("5","10","5","10","6","4","1") = "9"
    & skf18("5","10","5","10","6","5","1") = "9"
    & skf18("5","10","5","10","6","6","1") = "9"
    & skf18("5","10","5","10","6","7","1") = "9"
    & skf18("5","10","5","10","6","8","1") = "9"
    & skf18("5","10","5","10","6","9","1") = "9"
    & skf18("5","10","5","10","6","10","1") = "9"
    & skf18("5","10","5","10","7","1","1") = "9"
    & skf18("5","10","5","10","7","2","1") = "9"
    & skf18("5","10","5","10","7","3","1") = "9"
    & skf18("5","10","5","10","7","4","1") = "9"
    & skf18("5","10","5","10","7","5","1") = "9"
    & skf18("5","10","5","10","7","6","1") = "9"
    & skf18("5","10","5","10","7","7","1") = "9"
    & skf18("5","10","5","10","7","8","1") = "9"
    & skf18("5","10","5","10","7","9","1") = "9"
    & skf18("5","10","5","10","7","10","1") = "9"
    & skf18("5","10","5","10","8","1","1") = "9"
    & skf18("5","10","5","10","8","2","1") = "9"
    & skf18("5","10","5","10","8","3","1") = "9"
    & skf18("5","10","5","10","8","4","1") = "9"
    & skf18("5","10","5","10","8","5","1") = "9"
    & skf18("5","10","5","10","8","6","1") = "9"
    & skf18("5","10","5","10","8","7","1") = "9"
    & skf18("5","10","5","10","8","8","1") = "9"
    & skf18("5","10","5","10","8","9","1") = "9"
    & skf18("5","10","5","10","8","10","1") = "9"
    & skf18("5","10","5","10","9","1","1") = "9"
    & skf18("5","10","5","10","9","2","1") = "9"
    & skf18("5","10","5","10","9","3","1") = "9"
    & skf18("5","10","5","10","9","4","1") = "9"
    & skf18("5","10","5","10","9","5","1") = "9"
    & skf18("5","10","5","10","9","6","1") = "9"
    & skf18("5","10","5","10","9","7","1") = "9"
    & skf18("5","10","5","10","9","8","1") = "9"
    & skf18("5","10","5","10","9","9","1") = "9"
    & skf18("5","10","5","10","9","10","1") = "9"
    & skf18("5","10","5","10","10","1","1") = "9"
    & skf18("5","10","5","10","10","2","1") = "9"
    & skf18("5","10","5","10","10","3","1") = "9"
    & skf18("5","10","5","10","10","4","1") = "9"
    & skf18("5","10","5","10","10","5","1") = "9"
    & skf18("5","10","5","10","10","6","1") = "9"
    & skf18("5","10","5","10","10","7","1") = "9"
    & skf18("5","10","5","10","10","8","1") = "9"
    & skf18("5","10","5","10","10","9","1") = "9"
    & skf18("5","10","5","10","10","10","1") = "9"
    & skf18("5","10","6","1","1","1","1") = "9"
    & skf18("5","10","6","1","1","2","1") = "9"
    & skf18("5","10","6","1","1","3","1") = "9"
    & skf18("5","10","6","1","1","4","1") = "9"
    & skf18("5","10","6","1","1","5","1") = "9"
    & skf18("5","10","6","1","1","6","1") = "9"
    & skf18("5","10","6","1","1","7","1") = "9"
    & skf18("5","10","6","1","1","8","1") = "9"
    & skf18("5","10","6","1","1","9","1") = "9"
    & skf18("5","10","6","1","1","10","1") = "9"
    & skf18("5","10","6","1","2","1","1") = "9"
    & skf18("5","10","6","1","2","2","1") = "9"
    & skf18("5","10","6","1","2","3","1") = "9"
    & skf18("5","10","6","1","2","4","1") = "9"
    & skf18("5","10","6","1","2","5","1") = "9"
    & skf18("5","10","6","1","2","6","1") = "9"
    & skf18("5","10","6","1","2","7","1") = "9"
    & skf18("5","10","6","1","2","8","1") = "9"
    & skf18("5","10","6","1","2","9","1") = "9"
    & skf18("5","10","6","1","2","10","1") = "9"
    & skf18("5","10","6","1","3","1","1") = "9"
    & skf18("5","10","6","1","3","2","1") = "9"
    & skf18("5","10","6","1","3","3","1") = "9"
    & skf18("5","10","6","1","3","4","1") = "9"
    & skf18("5","10","6","1","3","5","1") = "9"
    & skf18("5","10","6","1","3","6","1") = "9"
    & skf18("5","10","6","1","3","7","1") = "9"
    & skf18("5","10","6","1","3","8","1") = "9"
    & skf18("5","10","6","1","3","9","1") = "9"
    & skf18("5","10","6","1","3","10","1") = "9"
    & skf18("5","10","6","1","4","1","1") = "9"
    & skf18("5","10","6","1","4","2","1") = "9"
    & skf18("5","10","6","1","4","3","1") = "9"
    & skf18("5","10","6","1","4","4","1") = "9"
    & skf18("5","10","6","1","4","5","1") = "9"
    & skf18("5","10","6","1","4","6","1") = "9"
    & skf18("5","10","6","1","4","7","1") = "9"
    & skf18("5","10","6","1","4","8","1") = "9"
    & skf18("5","10","6","1","4","9","1") = "9"
    & skf18("5","10","6","1","4","10","1") = "9"
    & skf18("5","10","6","1","5","1","1") = "9"
    & skf18("5","10","6","1","5","2","1") = "9"
    & skf18("5","10","6","1","5","3","1") = "9"
    & skf18("5","10","6","1","5","4","1") = "9"
    & skf18("5","10","6","1","5","5","1") = "9"
    & skf18("5","10","6","1","5","6","1") = "9"
    & skf18("5","10","6","1","5","7","1") = "9"
    & skf18("5","10","6","1","5","8","1") = "9"
    & skf18("5","10","6","1","5","9","1") = "9"
    & skf18("5","10","6","1","5","10","1") = "9"
    & skf18("5","10","6","1","6","1","1") = "9"
    & skf18("5","10","6","1","6","2","1") = "9"
    & skf18("5","10","6","1","6","3","1") = "9"
    & skf18("5","10","6","1","6","4","1") = "9"
    & skf18("5","10","6","1","6","5","1") = "9"
    & skf18("5","10","6","1","6","6","1") = "9"
    & skf18("5","10","6","1","6","7","1") = "9"
    & skf18("5","10","6","1","6","8","1") = "9"
    & skf18("5","10","6","1","6","9","1") = "9"
    & skf18("5","10","6","1","6","10","1") = "9"
    & skf18("5","10","6","1","7","1","1") = "9"
    & skf18("5","10","6","1","7","2","1") = "9"
    & skf18("5","10","6","1","7","3","1") = "9"
    & skf18("5","10","6","1","7","4","1") = "9"
    & skf18("5","10","6","1","7","5","1") = "9"
    & skf18("5","10","6","1","7","6","1") = "9"
    & skf18("5","10","6","1","7","7","1") = "9"
    & skf18("5","10","6","1","7","8","1") = "9"
    & skf18("5","10","6","1","7","9","1") = "9"
    & skf18("5","10","6","1","7","10","1") = "9"
    & skf18("5","10","6","1","8","1","1") = "9"
    & skf18("5","10","6","1","8","2","1") = "9"
    & skf18("5","10","6","1","8","3","1") = "9"
    & skf18("5","10","6","1","8","4","1") = "9"
    & skf18("5","10","6","1","8","5","1") = "9"
    & skf18("5","10","6","1","8","6","1") = "9"
    & skf18("5","10","6","1","8","7","1") = "9"
    & skf18("5","10","6","1","8","8","1") = "9"
    & skf18("5","10","6","1","8","9","1") = "9"
    & skf18("5","10","6","1","8","10","1") = "9"
    & skf18("5","10","6","1","9","1","1") = "9"
    & skf18("5","10","6","1","9","2","1") = "9"
    & skf18("5","10","6","1","9","3","1") = "9"
    & skf18("5","10","6","1","9","4","1") = "9"
    & skf18("5","10","6","1","9","5","1") = "9"
    & skf18("5","10","6","1","9","6","1") = "9"
    & skf18("5","10","6","1","9","7","1") = "9"
    & skf18("5","10","6","1","9","8","1") = "9"
    & skf18("5","10","6","1","9","9","1") = "9"
    & skf18("5","10","6","1","9","10","1") = "9"
    & skf18("5","10","6","1","10","1","1") = "9"
    & skf18("5","10","6","1","10","2","1") = "9"
    & skf18("5","10","6","1","10","3","1") = "9"
    & skf18("5","10","6","1","10","4","1") = "9"
    & skf18("5","10","6","1","10","5","1") = "9"
    & skf18("5","10","6","1","10","6","1") = "9"
    & skf18("5","10","6","1","10","7","1") = "9"
    & skf18("5","10","6","1","10","8","1") = "9"
    & skf18("5","10","6","1","10","9","1") = "9"
    & skf18("5","10","6","1","10","10","1") = "9"
    & skf18("5","10","6","2","1","1","1") = "9"
    & skf18("5","10","6","2","1","2","1") = "9"
    & skf18("5","10","6","2","1","3","1") = "9"
    & skf18("5","10","6","2","1","4","1") = "9"
    & skf18("5","10","6","2","1","5","1") = "9"
    & skf18("5","10","6","2","1","6","1") = "9"
    & skf18("5","10","6","2","1","7","1") = "9"
    & skf18("5","10","6","2","1","8","1") = "9"
    & skf18("5","10","6","2","1","9","1") = "9"
    & skf18("5","10","6","2","1","10","1") = "9"
    & skf18("5","10","6","2","2","1","1") = "9"
    & skf18("5","10","6","2","2","2","1") = "9"
    & skf18("5","10","6","2","2","3","1") = "9"
    & skf18("5","10","6","2","2","4","1") = "9"
    & skf18("5","10","6","2","2","5","1") = "9"
    & skf18("5","10","6","2","2","6","1") = "9"
    & skf18("5","10","6","2","2","7","1") = "9"
    & skf18("5","10","6","2","2","8","1") = "9"
    & skf18("5","10","6","2","2","9","1") = "9"
    & skf18("5","10","6","2","2","10","1") = "9"
    & skf18("5","10","6","2","3","1","1") = "9"
    & skf18("5","10","6","2","3","2","1") = "9"
    & skf18("5","10","6","2","3","3","1") = "9"
    & skf18("5","10","6","2","3","4","1") = "9"
    & skf18("5","10","6","2","3","5","1") = "9"
    & skf18("5","10","6","2","3","6","1") = "9"
    & skf18("5","10","6","2","3","7","1") = "9"
    & skf18("5","10","6","2","3","8","1") = "9"
    & skf18("5","10","6","2","3","9","1") = "9"
    & skf18("5","10","6","2","3","10","1") = "9"
    & skf18("5","10","6","2","4","1","1") = "9"
    & skf18("5","10","6","2","4","2","1") = "9"
    & skf18("5","10","6","2","4","3","1") = "9"
    & skf18("5","10","6","2","4","4","1") = "9"
    & skf18("5","10","6","2","4","5","1") = "9"
    & skf18("5","10","6","2","4","6","1") = "9"
    & skf18("5","10","6","2","4","7","1") = "9"
    & skf18("5","10","6","2","4","8","1") = "9"
    & skf18("5","10","6","2","4","9","1") = "9"
    & skf18("5","10","6","2","4","10","1") = "9"
    & skf18("5","10","6","2","5","1","1") = "9"
    & skf18("5","10","6","2","5","2","1") = "9"
    & skf18("5","10","6","2","5","3","1") = "9"
    & skf18("5","10","6","2","5","4","1") = "9"
    & skf18("5","10","6","2","5","5","1") = "9"
    & skf18("5","10","6","2","5","6","1") = "9"
    & skf18("5","10","6","2","5","7","1") = "9"
    & skf18("5","10","6","2","5","8","1") = "9"
    & skf18("5","10","6","2","5","9","1") = "9"
    & skf18("5","10","6","2","5","10","1") = "9"
    & skf18("5","10","6","2","6","1","1") = "9"
    & skf18("5","10","6","2","6","2","1") = "9"
    & skf18("5","10","6","2","6","3","1") = "9"
    & skf18("5","10","6","2","6","4","1") = "9"
    & skf18("5","10","6","2","6","5","1") = "9"
    & skf18("5","10","6","2","6","6","1") = "9"
    & skf18("5","10","6","2","6","7","1") = "9"
    & skf18("5","10","6","2","6","8","1") = "9"
    & skf18("5","10","6","2","6","9","1") = "9"
    & skf18("5","10","6","2","6","10","1") = "9"
    & skf18("5","10","6","2","7","1","1") = "9"
    & skf18("5","10","6","2","7","2","1") = "9"
    & skf18("5","10","6","2","7","3","1") = "9"
    & skf18("5","10","6","2","7","4","1") = "9"
    & skf18("5","10","6","2","7","5","1") = "9"
    & skf18("5","10","6","2","7","6","1") = "9"
    & skf18("5","10","6","2","7","7","1") = "9"
    & skf18("5","10","6","2","7","8","1") = "9"
    & skf18("5","10","6","2","7","9","1") = "9"
    & skf18("5","10","6","2","7","10","1") = "9"
    & skf18("5","10","6","2","8","1","1") = "9"
    & skf18("5","10","6","2","8","2","1") = "9"
    & skf18("5","10","6","2","8","3","1") = "9"
    & skf18("5","10","6","2","8","4","1") = "9"
    & skf18("5","10","6","2","8","5","1") = "9"
    & skf18("5","10","6","2","8","6","1") = "9"
    & skf18("5","10","6","2","8","7","1") = "9"
    & skf18("5","10","6","2","8","8","1") = "9"
    & skf18("5","10","6","2","8","9","1") = "9"
    & skf18("5","10","6","2","8","10","1") = "9"
    & skf18("5","10","6","2","9","1","1") = "9"
    & skf18("5","10","6","2","9","2","1") = "9"
    & skf18("5","10","6","2","9","3","1") = "9"
    & skf18("5","10","6","2","9","4","1") = "9"
    & skf18("5","10","6","2","9","5","1") = "9"
    & skf18("5","10","6","2","9","6","1") = "9"
    & skf18("5","10","6","2","9","7","1") = "9"
    & skf18("5","10","6","2","9","8","1") = "9"
    & skf18("5","10","6","2","9","9","1") = "9"
    & skf18("5","10","6","2","9","10","1") = "9"
    & skf18("5","10","6","2","10","1","1") = "9"
    & skf18("5","10","6","2","10","2","1") = "9"
    & skf18("5","10","6","2","10","3","1") = "9"
    & skf18("5","10","6","2","10","4","1") = "9"
    & skf18("5","10","6","2","10","5","1") = "9"
    & skf18("5","10","6","2","10","6","1") = "9"
    & skf18("5","10","6","2","10","7","1") = "9"
    & skf18("5","10","6","2","10","8","1") = "9"
    & skf18("5","10","6","2","10","9","1") = "9"
    & skf18("5","10","6","2","10","10","1") = "9"
    & skf18("5","10","6","3","1","1","1") = "9"
    & skf18("5","10","6","3","1","2","1") = "9"
    & skf18("5","10","6","3","1","3","1") = "9"
    & skf18("5","10","6","3","1","4","1") = "9"
    & skf18("5","10","6","3","1","5","1") = "9"
    & skf18("5","10","6","3","1","6","1") = "9"
    & skf18("5","10","6","3","1","7","1") = "9"
    & skf18("5","10","6","3","1","8","1") = "9"
    & skf18("5","10","6","3","1","9","1") = "9"
    & skf18("5","10","6","3","1","10","1") = "9"
    & skf18("5","10","6","3","2","1","1") = "9"
    & skf18("5","10","6","3","2","2","1") = "9"
    & skf18("5","10","6","3","2","3","1") = "9"
    & skf18("5","10","6","3","2","4","1") = "9"
    & skf18("5","10","6","3","2","5","1") = "9"
    & skf18("5","10","6","3","2","6","1") = "9"
    & skf18("5","10","6","3","2","7","1") = "9"
    & skf18("5","10","6","3","2","8","1") = "9"
    & skf18("5","10","6","3","2","9","1") = "9"
    & skf18("5","10","6","3","2","10","1") = "9"
    & skf18("5","10","6","3","3","1","1") = "9"
    & skf18("5","10","6","3","3","2","1") = "9"
    & skf18("5","10","6","3","3","3","1") = "9"
    & skf18("5","10","6","3","3","4","1") = "9"
    & skf18("5","10","6","3","3","5","1") = "9"
    & skf18("5","10","6","3","3","6","1") = "9"
    & skf18("5","10","6","3","3","7","1") = "9"
    & skf18("5","10","6","3","3","8","1") = "9"
    & skf18("5","10","6","3","3","9","1") = "9"
    & skf18("5","10","6","3","3","10","1") = "9"
    & skf18("5","10","6","3","4","1","1") = "9"
    & skf18("5","10","6","3","4","2","1") = "9"
    & skf18("5","10","6","3","4","3","1") = "9"
    & skf18("5","10","6","3","4","4","1") = "9"
    & skf18("5","10","6","3","4","5","1") = "9"
    & skf18("5","10","6","3","4","6","1") = "9"
    & skf18("5","10","6","3","4","7","1") = "9"
    & skf18("5","10","6","3","4","8","1") = "9"
    & skf18("5","10","6","3","4","9","1") = "9"
    & skf18("5","10","6","3","4","10","1") = "9"
    & skf18("5","10","6","3","5","1","1") = "9"
    & skf18("5","10","6","3","5","2","1") = "9"
    & skf18("5","10","6","3","5","3","1") = "9"
    & skf18("5","10","6","3","5","4","1") = "9"
    & skf18("5","10","6","3","5","5","1") = "9"
    & skf18("5","10","6","3","5","6","1") = "9"
    & skf18("5","10","6","3","5","7","1") = "9"
    & skf18("5","10","6","3","5","8","1") = "9"
    & skf18("5","10","6","3","5","9","1") = "9"
    & skf18("5","10","6","3","5","10","1") = "9"
    & skf18("5","10","6","3","6","1","1") = "9"
    & skf18("5","10","6","3","6","2","1") = "9"
    & skf18("5","10","6","3","6","3","1") = "9"
    & skf18("5","10","6","3","6","4","1") = "9"
    & skf18("5","10","6","3","6","5","1") = "9"
    & skf18("5","10","6","3","6","6","1") = "9"
    & skf18("5","10","6","3","6","7","1") = "9"
    & skf18("5","10","6","3","6","8","1") = "9"
    & skf18("5","10","6","3","6","9","1") = "9"
    & skf18("5","10","6","3","6","10","1") = "9"
    & skf18("5","10","6","3","7","1","1") = "9"
    & skf18("5","10","6","3","7","2","1") = "9"
    & skf18("5","10","6","3","7","3","1") = "9"
    & skf18("5","10","6","3","7","4","1") = "9"
    & skf18("5","10","6","3","7","5","1") = "9"
    & skf18("5","10","6","3","7","6","1") = "9"
    & skf18("5","10","6","3","7","7","1") = "9"
    & skf18("5","10","6","3","7","8","1") = "9"
    & skf18("5","10","6","3","7","9","1") = "9"
    & skf18("5","10","6","3","7","10","1") = "9"
    & skf18("5","10","6","3","8","1","1") = "9"
    & skf18("5","10","6","3","8","2","1") = "9"
    & skf18("5","10","6","3","8","3","1") = "9"
    & skf18("5","10","6","3","8","4","1") = "9"
    & skf18("5","10","6","3","8","5","1") = "9"
    & skf18("5","10","6","3","8","6","1") = "9"
    & skf18("5","10","6","3","8","7","1") = "9"
    & skf18("5","10","6","3","8","8","1") = "9"
    & skf18("5","10","6","3","8","9","1") = "9"
    & skf18("5","10","6","3","8","10","1") = "9"
    & skf18("5","10","6","3","9","1","1") = "9"
    & skf18("5","10","6","3","9","2","1") = "9"
    & skf18("5","10","6","3","9","3","1") = "9"
    & skf18("5","10","6","3","9","4","1") = "9"
    & skf18("5","10","6","3","9","5","1") = "9"
    & skf18("5","10","6","3","9","6","1") = "9"
    & skf18("5","10","6","3","9","7","1") = "9"
    & skf18("5","10","6","3","9","8","1") = "9"
    & skf18("5","10","6","3","9","9","1") = "9"
    & skf18("5","10","6","3","9","10","1") = "9"
    & skf18("5","10","6","3","10","1","1") = "9"
    & skf18("5","10","6","3","10","2","1") = "9"
    & skf18("5","10","6","3","10","3","1") = "9"
    & skf18("5","10","6","3","10","4","1") = "9"
    & skf18("5","10","6","3","10","5","1") = "9"
    & skf18("5","10","6","3","10","6","1") = "9"
    & skf18("5","10","6","3","10","7","1") = "9"
    & skf18("5","10","6","3","10","8","1") = "9"
    & skf18("5","10","6","3","10","9","1") = "9"
    & skf18("5","10","6","3","10","10","1") = "9"
    & skf18("5","10","6","4","1","1","1") = "9"
    & skf18("5","10","6","4","1","2","1") = "9"
    & skf18("5","10","6","4","1","3","1") = "9"
    & skf18("5","10","6","4","1","4","1") = "9"
    & skf18("5","10","6","4","1","5","1") = "9"
    & skf18("5","10","6","4","1","6","1") = "9"
    & skf18("5","10","6","4","1","7","1") = "9"
    & skf18("5","10","6","4","1","8","1") = "9"
    & skf18("5","10","6","4","1","9","1") = "9"
    & skf18("5","10","6","4","1","10","1") = "9"
    & skf18("5","10","6","4","2","1","1") = "9"
    & skf18("5","10","6","4","2","2","1") = "9"
    & skf18("5","10","6","4","2","3","1") = "9"
    & skf18("5","10","6","4","2","4","1") = "9"
    & skf18("5","10","6","4","2","5","1") = "9"
    & skf18("5","10","6","4","2","6","1") = "9"
    & skf18("5","10","6","4","2","7","1") = "9"
    & skf18("5","10","6","4","2","8","1") = "9"
    & skf18("5","10","6","4","2","9","1") = "9"
    & skf18("5","10","6","4","2","10","1") = "9"
    & skf18("5","10","6","4","3","1","1") = "9"
    & skf18("5","10","6","4","3","2","1") = "9"
    & skf18("5","10","6","4","3","3","1") = "9"
    & skf18("5","10","6","4","3","4","1") = "9"
    & skf18("5","10","6","4","3","5","1") = "9"
    & skf18("5","10","6","4","3","6","1") = "9"
    & skf18("5","10","6","4","3","7","1") = "9"
    & skf18("5","10","6","4","3","8","1") = "9"
    & skf18("5","10","6","4","3","9","1") = "9"
    & skf18("5","10","6","4","3","10","1") = "9"
    & skf18("5","10","6","4","4","1","1") = "9"
    & skf18("5","10","6","4","4","2","1") = "9"
    & skf18("5","10","6","4","4","3","1") = "9"
    & skf18("5","10","6","4","4","4","1") = "9"
    & skf18("5","10","6","4","4","5","1") = "9"
    & skf18("5","10","6","4","4","6","1") = "9"
    & skf18("5","10","6","4","4","7","1") = "9"
    & skf18("5","10","6","4","4","8","1") = "9"
    & skf18("5","10","6","4","4","9","1") = "9"
    & skf18("5","10","6","4","4","10","1") = "9"
    & skf18("5","10","6","4","5","1","1") = "9"
    & skf18("5","10","6","4","5","2","1") = "9"
    & skf18("5","10","6","4","5","3","1") = "9"
    & skf18("5","10","6","4","5","4","1") = "9"
    & skf18("5","10","6","4","5","5","1") = "9"
    & skf18("5","10","6","4","5","6","1") = "9"
    & skf18("5","10","6","4","5","7","1") = "9"
    & skf18("5","10","6","4","5","8","1") = "9"
    & skf18("5","10","6","4","5","9","1") = "9"
    & skf18("5","10","6","4","5","10","1") = "9"
    & skf18("5","10","6","4","6","1","1") = "9"
    & skf18("5","10","6","4","6","2","1") = "9"
    & skf18("5","10","6","4","6","3","1") = "9"
    & skf18("5","10","6","4","6","4","1") = "9"
    & skf18("5","10","6","4","6","5","1") = "9"
    & skf18("5","10","6","4","6","6","1") = "9"
    & skf18("5","10","6","4","6","7","1") = "9"
    & skf18("5","10","6","4","6","8","1") = "9"
    & skf18("5","10","6","4","6","9","1") = "9"
    & skf18("5","10","6","4","6","10","1") = "9"
    & skf18("5","10","6","4","7","1","1") = "9"
    & skf18("5","10","6","4","7","2","1") = "9"
    & skf18("5","10","6","4","7","3","1") = "9"
    & skf18("5","10","6","4","7","4","1") = "9"
    & skf18("5","10","6","4","7","5","1") = "9"
    & skf18("5","10","6","4","7","6","1") = "9"
    & skf18("5","10","6","4","7","7","1") = "9"
    & skf18("5","10","6","4","7","8","1") = "9"
    & skf18("5","10","6","4","7","9","1") = "9"
    & skf18("5","10","6","4","7","10","1") = "9"
    & skf18("5","10","6","4","8","1","1") = "9"
    & skf18("5","10","6","4","8","2","1") = "9"
    & skf18("5","10","6","4","8","3","1") = "9"
    & skf18("5","10","6","4","8","4","1") = "9"
    & skf18("5","10","6","4","8","5","1") = "9"
    & skf18("5","10","6","4","8","6","1") = "9"
    & skf18("5","10","6","4","8","7","1") = "9"
    & skf18("5","10","6","4","8","8","1") = "9"
    & skf18("5","10","6","4","8","9","1") = "9"
    & skf18("5","10","6","4","8","10","1") = "9"
    & skf18("5","10","6","4","9","1","1") = "9"
    & skf18("5","10","6","4","9","2","1") = "9"
    & skf18("5","10","6","4","9","3","1") = "9"
    & skf18("5","10","6","4","9","4","1") = "9"
    & skf18("5","10","6","4","9","5","1") = "9"
    & skf18("5","10","6","4","9","6","1") = "9"
    & skf18("5","10","6","4","9","7","1") = "9"
    & skf18("5","10","6","4","9","8","1") = "9"
    & skf18("5","10","6","4","9","9","1") = "9"
    & skf18("5","10","6","4","9","10","1") = "9"
    & skf18("5","10","6","4","10","1","1") = "9"
    & skf18("5","10","6","4","10","2","1") = "9"
    & skf18("5","10","6","4","10","3","1") = "9"
    & skf18("5","10","6","4","10","4","1") = "9"
    & skf18("5","10","6","4","10","5","1") = "9"
    & skf18("5","10","6","4","10","6","1") = "9"
    & skf18("5","10","6","4","10","7","1") = "9"
    & skf18("5","10","6","4","10","8","1") = "9"
    & skf18("5","10","6","4","10","9","1") = "9"
    & skf18("5","10","6","4","10","10","1") = "9"
    & skf18("5","10","6","5","1","1","1") = "9"
    & skf18("5","10","6","5","1","2","1") = "9"
    & skf18("5","10","6","5","1","3","1") = "9"
    & skf18("5","10","6","5","1","4","1") = "9"
    & skf18("5","10","6","5","1","5","1") = "9"
    & skf18("5","10","6","5","1","6","1") = "9"
    & skf18("5","10","6","5","1","7","1") = "9"
    & skf18("5","10","6","5","1","8","1") = "9"
    & skf18("5","10","6","5","1","9","1") = "9"
    & skf18("5","10","6","5","1","10","1") = "9"
    & skf18("5","10","6","5","2","1","1") = "9"
    & skf18("5","10","6","5","2","2","1") = "9"
    & skf18("5","10","6","5","2","3","1") = "9"
    & skf18("5","10","6","5","2","4","1") = "9"
    & skf18("5","10","6","5","2","5","1") = "9"
    & skf18("5","10","6","5","2","6","1") = "9"
    & skf18("5","10","6","5","2","7","1") = "9"
    & skf18("5","10","6","5","2","8","1") = "9"
    & skf18("5","10","6","5","2","9","1") = "9"
    & skf18("5","10","6","5","2","10","1") = "9"
    & skf18("5","10","6","5","3","1","1") = "9"
    & skf18("5","10","6","5","3","2","1") = "9"
    & skf18("5","10","6","5","3","3","1") = "9"
    & skf18("5","10","6","5","3","4","1") = "9"
    & skf18("5","10","6","5","3","5","1") = "9"
    & skf18("5","10","6","5","3","6","1") = "9"
    & skf18("5","10","6","5","3","7","1") = "9"
    & skf18("5","10","6","5","3","8","1") = "9"
    & skf18("5","10","6","5","3","9","1") = "9"
    & skf18("5","10","6","5","3","10","1") = "9"
    & skf18("5","10","6","5","4","1","1") = "9"
    & skf18("5","10","6","5","4","2","1") = "9"
    & skf18("5","10","6","5","4","3","1") = "9"
    & skf18("5","10","6","5","4","4","1") = "9"
    & skf18("5","10","6","5","4","5","1") = "9"
    & skf18("5","10","6","5","4","6","1") = "9"
    & skf18("5","10","6","5","4","7","1") = "9"
    & skf18("5","10","6","5","4","8","1") = "9"
    & skf18("5","10","6","5","4","9","1") = "9"
    & skf18("5","10","6","5","4","10","1") = "9"
    & skf18("5","10","6","5","5","1","1") = "9"
    & skf18("5","10","6","5","5","2","1") = "9"
    & skf18("5","10","6","5","5","3","1") = "9"
    & skf18("5","10","6","5","5","4","1") = "9"
    & skf18("5","10","6","5","5","5","1") = "9"
    & skf18("5","10","6","5","5","6","1") = "9"
    & skf18("5","10","6","5","5","7","1") = "9"
    & skf18("5","10","6","5","5","8","1") = "9"
    & skf18("5","10","6","5","5","9","1") = "9"
    & skf18("5","10","6","5","5","10","1") = "9"
    & skf18("5","10","6","5","6","1","1") = "9"
    & skf18("5","10","6","5","6","2","1") = "9"
    & skf18("5","10","6","5","6","3","1") = "9"
    & skf18("5","10","6","5","6","4","1") = "9"
    & skf18("5","10","6","5","6","5","1") = "9"
    & skf18("5","10","6","5","6","6","1") = "9"
    & skf18("5","10","6","5","6","7","1") = "9"
    & skf18("5","10","6","5","6","8","1") = "9"
    & skf18("5","10","6","5","6","9","1") = "9"
    & skf18("5","10","6","5","6","10","1") = "9"
    & skf18("5","10","6","5","7","1","1") = "9"
    & skf18("5","10","6","5","7","2","1") = "9"
    & skf18("5","10","6","5","7","3","1") = "9"
    & skf18("5","10","6","5","7","4","1") = "9"
    & skf18("5","10","6","5","7","5","1") = "9"
    & skf18("5","10","6","5","7","6","1") = "9"
    & skf18("5","10","6","5","7","7","1") = "9"
    & skf18("5","10","6","5","7","8","1") = "9"
    & skf18("5","10","6","5","7","9","1") = "9"
    & skf18("5","10","6","5","7","10","1") = "9"
    & skf18("5","10","6","5","8","1","1") = "9"
    & skf18("5","10","6","5","8","2","1") = "9"
    & skf18("5","10","6","5","8","3","1") = "9"
    & skf18("5","10","6","5","8","4","1") = "9"
    & skf18("5","10","6","5","8","5","1") = "9"
    & skf18("5","10","6","5","8","6","1") = "9"
    & skf18("5","10","6","5","8","7","1") = "9"
    & skf18("5","10","6","5","8","8","1") = "9"
    & skf18("5","10","6","5","8","9","1") = "9"
    & skf18("5","10","6","5","8","10","1") = "9"
    & skf18("5","10","6","5","9","1","1") = "9"
    & skf18("5","10","6","5","9","2","1") = "9"
    & skf18("5","10","6","5","9","3","1") = "9"
    & skf18("5","10","6","5","9","4","1") = "9"
    & skf18("5","10","6","5","9","5","1") = "9"
    & skf18("5","10","6","5","9","6","1") = "9"
    & skf18("5","10","6","5","9","7","1") = "9"
    & skf18("5","10","6","5","9","8","1") = "9"
    & skf18("5","10","6","5","9","9","1") = "9"
    & skf18("5","10","6","5","9","10","1") = "9"
    & skf18("5","10","6","5","10","1","1") = "9"
    & skf18("5","10","6","5","10","2","1") = "9"
    & skf18("5","10","6","5","10","3","1") = "9"
    & skf18("5","10","6","5","10","4","1") = "9"
    & skf18("5","10","6","5","10","5","1") = "9"
    & skf18("5","10","6","5","10","6","1") = "9"
    & skf18("5","10","6","5","10","7","1") = "9"
    & skf18("5","10","6","5","10","8","1") = "9"
    & skf18("5","10","6","5","10","9","1") = "9"
    & skf18("5","10","6","5","10","10","1") = "9"
    & skf18("5","10","6","6","1","1","1") = "9"
    & skf18("5","10","6","6","1","2","1") = "9"
    & skf18("5","10","6","6","1","3","1") = "9"
    & skf18("5","10","6","6","1","4","1") = "9"
    & skf18("5","10","6","6","1","5","1") = "9"
    & skf18("5","10","6","6","1","6","1") = "9"
    & skf18("5","10","6","6","1","7","1") = "9"
    & skf18("5","10","6","6","1","8","1") = "9"
    & skf18("5","10","6","6","1","9","1") = "9"
    & skf18("5","10","6","6","1","10","1") = "9"
    & skf18("5","10","6","6","2","1","1") = "9"
    & skf18("5","10","6","6","2","2","1") = "9"
    & skf18("5","10","6","6","2","3","1") = "9"
    & skf18("5","10","6","6","2","4","1") = "9"
    & skf18("5","10","6","6","2","5","1") = "9"
    & skf18("5","10","6","6","2","6","1") = "9"
    & skf18("5","10","6","6","2","7","1") = "9"
    & skf18("5","10","6","6","2","8","1") = "9"
    & skf18("5","10","6","6","2","9","1") = "9"
    & skf18("5","10","6","6","2","10","1") = "9"
    & skf18("5","10","6","6","3","1","1") = "9"
    & skf18("5","10","6","6","3","2","1") = "9"
    & skf18("5","10","6","6","3","3","1") = "9"
    & skf18("5","10","6","6","3","4","1") = "9"
    & skf18("5","10","6","6","3","5","1") = "9"
    & skf18("5","10","6","6","3","6","1") = "9"
    & skf18("5","10","6","6","3","7","1") = "9"
    & skf18("5","10","6","6","3","8","1") = "9"
    & skf18("5","10","6","6","3","9","1") = "9"
    & skf18("5","10","6","6","3","10","1") = "9"
    & skf18("5","10","6","6","4","1","1") = "9"
    & skf18("5","10","6","6","4","2","1") = "9"
    & skf18("5","10","6","6","4","3","1") = "9"
    & skf18("5","10","6","6","4","4","1") = "9"
    & skf18("5","10","6","6","4","5","1") = "9"
    & skf18("5","10","6","6","4","6","1") = "9"
    & skf18("5","10","6","6","4","7","1") = "9"
    & skf18("5","10","6","6","4","8","1") = "9"
    & skf18("5","10","6","6","4","9","1") = "9"
    & skf18("5","10","6","6","4","10","1") = "9"
    & skf18("5","10","6","6","5","1","1") = "9"
    & skf18("5","10","6","6","5","2","1") = "9"
    & skf18("5","10","6","6","5","3","1") = "9"
    & skf18("5","10","6","6","5","4","1") = "9"
    & skf18("5","10","6","6","5","5","1") = "9"
    & skf18("5","10","6","6","5","6","1") = "9"
    & skf18("5","10","6","6","5","7","1") = "9"
    & skf18("5","10","6","6","5","8","1") = "9"
    & skf18("5","10","6","6","5","9","1") = "9"
    & skf18("5","10","6","6","5","10","1") = "9"
    & skf18("5","10","6","6","6","1","1") = "9"
    & skf18("5","10","6","6","6","2","1") = "9"
    & skf18("5","10","6","6","6","3","1") = "9"
    & skf18("5","10","6","6","6","4","1") = "9"
    & skf18("5","10","6","6","6","5","1") = "9"
    & skf18("5","10","6","6","6","6","1") = "9"
    & skf18("5","10","6","6","6","7","1") = "9"
    & skf18("5","10","6","6","6","8","1") = "9"
    & skf18("5","10","6","6","6","9","1") = "9"
    & skf18("5","10","6","6","6","10","1") = "9"
    & skf18("5","10","6","6","7","1","1") = "9"
    & skf18("5","10","6","6","7","2","1") = "9"
    & skf18("5","10","6","6","7","3","1") = "9"
    & skf18("5","10","6","6","7","4","1") = "9"
    & skf18("5","10","6","6","7","5","1") = "9"
    & skf18("5","10","6","6","7","6","1") = "9"
    & skf18("5","10","6","6","7","7","1") = "9"
    & skf18("5","10","6","6","7","8","1") = "9"
    & skf18("5","10","6","6","7","9","1") = "9"
    & skf18("5","10","6","6","7","10","1") = "9"
    & skf18("5","10","6","6","8","1","1") = "9"
    & skf18("5","10","6","6","8","2","1") = "9"
    & skf18("5","10","6","6","8","3","1") = "9"
    & skf18("5","10","6","6","8","4","1") = "9"
    & skf18("5","10","6","6","8","5","1") = "9"
    & skf18("5","10","6","6","8","6","1") = "9"
    & skf18("5","10","6","6","8","7","1") = "9"
    & skf18("5","10","6","6","8","8","1") = "9"
    & skf18("5","10","6","6","8","9","1") = "9"
    & skf18("5","10","6","6","8","10","1") = "9"
    & skf18("5","10","6","6","9","1","1") = "9"
    & skf18("5","10","6","6","9","2","1") = "9"
    & skf18("5","10","6","6","9","3","1") = "9"
    & skf18("5","10","6","6","9","4","1") = "9"
    & skf18("5","10","6","6","9","5","1") = "9"
    & skf18("5","10","6","6","9","6","1") = "9"
    & skf18("5","10","6","6","9","7","1") = "9"
    & skf18("5","10","6","6","9","8","1") = "9"
    & skf18("5","10","6","6","9","9","1") = "9"
    & skf18("5","10","6","6","9","10","1") = "9"
    & skf18("5","10","6","6","10","1","1") = "9"
    & skf18("5","10","6","6","10","2","1") = "9"
    & skf18("5","10","6","6","10","3","1") = "9"
    & skf18("5","10","6","6","10","4","1") = "9"
    & skf18("5","10","6","6","10","5","1") = "9"
    & skf18("5","10","6","6","10","6","1") = "9"
    & skf18("5","10","6","6","10","7","1") = "9"
    & skf18("5","10","6","6","10","8","1") = "9"
    & skf18("5","10","6","6","10","9","1") = "9"
    & skf18("5","10","6","6","10","10","1") = "9"
    & skf18("5","10","6","7","1","1","1") = "9"
    & skf18("5","10","6","7","1","2","1") = "9"
    & skf18("5","10","6","7","1","3","1") = "9"
    & skf18("5","10","6","7","1","4","1") = "9"
    & skf18("5","10","6","7","1","5","1") = "9"
    & skf18("5","10","6","7","1","6","1") = "9"
    & skf18("5","10","6","7","1","7","1") = "9"
    & skf18("5","10","6","7","1","8","1") = "9"
    & skf18("5","10","6","7","1","9","1") = "9"
    & skf18("5","10","6","7","1","10","1") = "9"
    & skf18("5","10","6","7","2","1","1") = "9"
    & skf18("5","10","6","7","2","2","1") = "9"
    & skf18("5","10","6","7","2","3","1") = "9"
    & skf18("5","10","6","7","2","4","1") = "9"
    & skf18("5","10","6","7","2","5","1") = "9"
    & skf18("5","10","6","7","2","6","1") = "9"
    & skf18("5","10","6","7","2","7","1") = "9"
    & skf18("5","10","6","7","2","8","1") = "9"
    & skf18("5","10","6","7","2","9","1") = "9"
    & skf18("5","10","6","7","2","10","1") = "9"
    & skf18("5","10","6","7","3","1","1") = "9"
    & skf18("5","10","6","7","3","2","1") = "9"
    & skf18("5","10","6","7","3","3","1") = "9"
    & skf18("5","10","6","7","3","4","1") = "9"
    & skf18("5","10","6","7","3","5","1") = "9"
    & skf18("5","10","6","7","3","6","1") = "9"
    & skf18("5","10","6","7","3","7","1") = "9"
    & skf18("5","10","6","7","3","8","1") = "9"
    & skf18("5","10","6","7","3","9","1") = "9"
    & skf18("5","10","6","7","3","10","1") = "9"
    & skf18("5","10","6","7","4","1","1") = "9"
    & skf18("5","10","6","7","4","2","1") = "9"
    & skf18("5","10","6","7","4","3","1") = "9"
    & skf18("5","10","6","7","4","4","1") = "9"
    & skf18("5","10","6","7","4","5","1") = "9"
    & skf18("5","10","6","7","4","6","1") = "9"
    & skf18("5","10","6","7","4","7","1") = "9"
    & skf18("5","10","6","7","4","8","1") = "9"
    & skf18("5","10","6","7","4","9","1") = "9"
    & skf18("5","10","6","7","4","10","1") = "9"
    & skf18("5","10","6","7","5","1","1") = "9"
    & skf18("5","10","6","7","5","2","1") = "9"
    & skf18("5","10","6","7","5","3","1") = "9"
    & skf18("5","10","6","7","5","4","1") = "9"
    & skf18("5","10","6","7","5","5","1") = "9"
    & skf18("5","10","6","7","5","6","1") = "9"
    & skf18("5","10","6","7","5","7","1") = "9"
    & skf18("5","10","6","7","5","8","1") = "9"
    & skf18("5","10","6","7","5","9","1") = "9"
    & skf18("5","10","6","7","5","10","1") = "9"
    & skf18("5","10","6","7","6","1","1") = "9"
    & skf18("5","10","6","7","6","2","1") = "9"
    & skf18("5","10","6","7","6","3","1") = "9"
    & skf18("5","10","6","7","6","4","1") = "9"
    & skf18("5","10","6","7","6","5","1") = "9"
    & skf18("5","10","6","7","6","6","1") = "9"
    & skf18("5","10","6","7","6","7","1") = "9"
    & skf18("5","10","6","7","6","8","1") = "9"
    & skf18("5","10","6","7","6","9","1") = "9"
    & skf18("5","10","6","7","6","10","1") = "9"
    & skf18("5","10","6","7","7","1","1") = "9"
    & skf18("5","10","6","7","7","2","1") = "9"
    & skf18("5","10","6","7","7","3","1") = "9"
    & skf18("5","10","6","7","7","4","1") = "9"
    & skf18("5","10","6","7","7","5","1") = "9"
    & skf18("5","10","6","7","7","6","1") = "9"
    & skf18("5","10","6","7","7","7","1") = "9"
    & skf18("5","10","6","7","7","8","1") = "9"
    & skf18("5","10","6","7","7","9","1") = "9"
    & skf18("5","10","6","7","7","10","1") = "9"
    & skf18("5","10","6","7","8","1","1") = "9"
    & skf18("5","10","6","7","8","2","1") = "9"
    & skf18("5","10","6","7","8","3","1") = "9"
    & skf18("5","10","6","7","8","4","1") = "9"
    & skf18("5","10","6","7","8","5","1") = "9"
    & skf18("5","10","6","7","8","6","1") = "9"
    & skf18("5","10","6","7","8","7","1") = "9"
    & skf18("5","10","6","7","8","8","1") = "9"
    & skf18("5","10","6","7","8","9","1") = "9"
    & skf18("5","10","6","7","8","10","1") = "9"
    & skf18("5","10","6","7","9","1","1") = "9"
    & skf18("5","10","6","7","9","2","1") = "9"
    & skf18("5","10","6","7","9","3","1") = "9"
    & skf18("5","10","6","7","9","4","1") = "9"
    & skf18("5","10","6","7","9","5","1") = "9"
    & skf18("5","10","6","7","9","6","1") = "9"
    & skf18("5","10","6","7","9","7","1") = "9"
    & skf18("5","10","6","7","9","8","1") = "9"
    & skf18("5","10","6","7","9","9","1") = "9"
    & skf18("5","10","6","7","9","10","1") = "9"
    & skf18("5","10","6","7","10","1","1") = "9"
    & skf18("5","10","6","7","10","2","1") = "9"
    & skf18("5","10","6","7","10","3","1") = "9"
    & skf18("5","10","6","7","10","4","1") = "9"
    & skf18("5","10","6","7","10","5","1") = "9"
    & skf18("5","10","6","7","10","6","1") = "9"
    & skf18("5","10","6","7","10","7","1") = "9"
    & skf18("5","10","6","7","10","8","1") = "9"
    & skf18("5","10","6","7","10","9","1") = "9"
    & skf18("5","10","6","7","10","10","1") = "9"
    & skf18("5","10","6","8","1","1","1") = "9"
    & skf18("5","10","6","8","1","2","1") = "9"
    & skf18("5","10","6","8","1","3","1") = "9"
    & skf18("5","10","6","8","1","4","1") = "9"
    & skf18("5","10","6","8","1","5","1") = "9"
    & skf18("5","10","6","8","1","6","1") = "9"
    & skf18("5","10","6","8","1","7","1") = "9"
    & skf18("5","10","6","8","1","8","1") = "9"
    & skf18("5","10","6","8","1","9","1") = "9"
    & skf18("5","10","6","8","1","10","1") = "9"
    & skf18("5","10","6","8","2","1","1") = "9"
    & skf18("5","10","6","8","2","2","1") = "9"
    & skf18("5","10","6","8","2","3","1") = "9"
    & skf18("5","10","6","8","2","4","1") = "9"
    & skf18("5","10","6","8","2","5","1") = "9"
    & skf18("5","10","6","8","2","6","1") = "9"
    & skf18("5","10","6","8","2","7","1") = "9"
    & skf18("5","10","6","8","2","8","1") = "9"
    & skf18("5","10","6","8","2","9","1") = "9"
    & skf18("5","10","6","8","2","10","1") = "9"
    & skf18("5","10","6","8","3","1","1") = "9"
    & skf18("5","10","6","8","3","2","1") = "9"
    & skf18("5","10","6","8","3","3","1") = "9"
    & skf18("5","10","6","8","3","4","1") = "9"
    & skf18("5","10","6","8","3","5","1") = "9"
    & skf18("5","10","6","8","3","6","1") = "9"
    & skf18("5","10","6","8","3","7","1") = "9"
    & skf18("5","10","6","8","3","8","1") = "9"
    & skf18("5","10","6","8","3","9","1") = "9"
    & skf18("5","10","6","8","3","10","1") = "9"
    & skf18("5","10","6","8","4","1","1") = "9"
    & skf18("5","10","6","8","4","2","1") = "9"
    & skf18("5","10","6","8","4","3","1") = "9"
    & skf18("5","10","6","8","4","4","1") = "9"
    & skf18("5","10","6","8","4","5","1") = "9"
    & skf18("5","10","6","8","4","6","1") = "9"
    & skf18("5","10","6","8","4","7","1") = "9"
    & skf18("5","10","6","8","4","8","1") = "9"
    & skf18("5","10","6","8","4","9","1") = "9"
    & skf18("5","10","6","8","4","10","1") = "9"
    & skf18("5","10","6","8","5","1","1") = "9"
    & skf18("5","10","6","8","5","2","1") = "9"
    & skf18("5","10","6","8","5","3","1") = "9"
    & skf18("5","10","6","8","5","4","1") = "9"
    & skf18("5","10","6","8","5","5","1") = "9"
    & skf18("5","10","6","8","5","6","1") = "9"
    & skf18("5","10","6","8","5","7","1") = "9"
    & skf18("5","10","6","8","5","8","1") = "9"
    & skf18("5","10","6","8","5","9","1") = "9"
    & skf18("5","10","6","8","5","10","1") = "9"
    & skf18("5","10","6","8","6","1","1") = "9"
    & skf18("5","10","6","8","6","2","1") = "9"
    & skf18("5","10","6","8","6","3","1") = "9"
    & skf18("5","10","6","8","6","4","1") = "9"
    & skf18("5","10","6","8","6","5","1") = "9"
    & skf18("5","10","6","8","6","6","1") = "9"
    & skf18("5","10","6","8","6","7","1") = "9"
    & skf18("5","10","6","8","6","8","1") = "9"
    & skf18("5","10","6","8","6","9","1") = "9"
    & skf18("5","10","6","8","6","10","1") = "9"
    & skf18("5","10","6","8","7","1","1") = "9"
    & skf18("5","10","6","8","7","2","1") = "9"
    & skf18("5","10","6","8","7","3","1") = "9"
    & skf18("5","10","6","8","7","4","1") = "9"
    & skf18("5","10","6","8","7","5","1") = "9"
    & skf18("5","10","6","8","7","6","1") = "9"
    & skf18("5","10","6","8","7","7","1") = "9"
    & skf18("5","10","6","8","7","8","1") = "9"
    & skf18("5","10","6","8","7","9","1") = "9"
    & skf18("5","10","6","8","7","10","1") = "9"
    & skf18("5","10","6","8","8","1","1") = "9"
    & skf18("5","10","6","8","8","2","1") = "9"
    & skf18("5","10","6","8","8","3","1") = "9"
    & skf18("5","10","6","8","8","4","1") = "9"
    & skf18("5","10","6","8","8","5","1") = "9"
    & skf18("5","10","6","8","8","6","1") = "9"
    & skf18("5","10","6","8","8","7","1") = "9"
    & skf18("5","10","6","8","8","8","1") = "9"
    & skf18("5","10","6","8","8","9","1") = "9"
    & skf18("5","10","6","8","8","10","1") = "9"
    & skf18("5","10","6","8","9","1","1") = "9"
    & skf18("5","10","6","8","9","2","1") = "9"
    & skf18("5","10","6","8","9","3","1") = "9"
    & skf18("5","10","6","8","9","4","1") = "9"
    & skf18("5","10","6","8","9","5","1") = "9"
    & skf18("5","10","6","8","9","6","1") = "9"
    & skf18("5","10","6","8","9","7","1") = "9"
    & skf18("5","10","6","8","9","8","1") = "9"
    & skf18("5","10","6","8","9","9","1") = "9"
    & skf18("5","10","6","8","9","10","1") = "9"
    & skf18("5","10","6","8","10","1","1") = "9"
    & skf18("5","10","6","8","10","2","1") = "9"
    & skf18("5","10","6","8","10","3","1") = "9"
    & skf18("5","10","6","8","10","4","1") = "9"
    & skf18("5","10","6","8","10","5","1") = "9"
    & skf18("5","10","6","8","10","6","1") = "9"
    & skf18("5","10","6","8","10","7","1") = "9"
    & skf18("5","10","6","8","10","8","1") = "9"
    & skf18("5","10","6","8","10","9","1") = "9"
    & skf18("5","10","6","8","10","10","1") = "9"
    & skf18("5","10","6","9","1","1","1") = "9"
    & skf18("5","10","6","9","1","2","1") = "9"
    & skf18("5","10","6","9","1","3","1") = "9"
    & skf18("5","10","6","9","1","4","1") = "9"
    & skf18("5","10","6","9","1","5","1") = "9"
    & skf18("5","10","6","9","1","6","1") = "9"
    & skf18("5","10","6","9","1","7","1") = "9"
    & skf18("5","10","6","9","1","8","1") = "9"
    & skf18("5","10","6","9","1","9","1") = "9"
    & skf18("5","10","6","9","1","10","1") = "9"
    & skf18("5","10","6","9","2","1","1") = "9"
    & skf18("5","10","6","9","2","2","1") = "9"
    & skf18("5","10","6","9","2","3","1") = "9"
    & skf18("5","10","6","9","2","4","1") = "9"
    & skf18("5","10","6","9","2","5","1") = "9"
    & skf18("5","10","6","9","2","6","1") = "9"
    & skf18("5","10","6","9","2","7","1") = "9"
    & skf18("5","10","6","9","2","8","1") = "9"
    & skf18("5","10","6","9","2","9","1") = "9"
    & skf18("5","10","6","9","2","10","1") = "9"
    & skf18("5","10","6","9","3","1","1") = "9"
    & skf18("5","10","6","9","3","2","1") = "9"
    & skf18("5","10","6","9","3","3","1") = "9"
    & skf18("5","10","6","9","3","4","1") = "9"
    & skf18("5","10","6","9","3","5","1") = "9"
    & skf18("5","10","6","9","3","6","1") = "9"
    & skf18("5","10","6","9","3","7","1") = "9"
    & skf18("5","10","6","9","3","8","1") = "9"
    & skf18("5","10","6","9","3","9","1") = "9"
    & skf18("5","10","6","9","3","10","1") = "9"
    & skf18("5","10","6","9","4","1","1") = "9"
    & skf18("5","10","6","9","4","2","1") = "9"
    & skf18("5","10","6","9","4","3","1") = "9"
    & skf18("5","10","6","9","4","4","1") = "9"
    & skf18("5","10","6","9","4","5","1") = "9"
    & skf18("5","10","6","9","4","6","1") = "9"
    & skf18("5","10","6","9","4","7","1") = "9"
    & skf18("5","10","6","9","4","8","1") = "9"
    & skf18("5","10","6","9","4","9","1") = "9"
    & skf18("5","10","6","9","4","10","1") = "9"
    & skf18("5","10","6","9","5","1","1") = "9"
    & skf18("5","10","6","9","5","2","1") = "9"
    & skf18("5","10","6","9","5","3","1") = "9"
    & skf18("5","10","6","9","5","4","1") = "9"
    & skf18("5","10","6","9","5","5","1") = "9"
    & skf18("5","10","6","9","5","6","1") = "9"
    & skf18("5","10","6","9","5","7","1") = "9"
    & skf18("5","10","6","9","5","8","1") = "9"
    & skf18("5","10","6","9","5","9","1") = "9"
    & skf18("5","10","6","9","5","10","1") = "9"
    & skf18("5","10","6","9","6","1","1") = "9"
    & skf18("5","10","6","9","6","2","1") = "9"
    & skf18("5","10","6","9","6","3","1") = "9"
    & skf18("5","10","6","9","6","4","1") = "9"
    & skf18("5","10","6","9","6","5","1") = "9"
    & skf18("5","10","6","9","6","6","1") = "9"
    & skf18("5","10","6","9","6","7","1") = "9"
    & skf18("5","10","6","9","6","8","1") = "9"
    & skf18("5","10","6","9","6","9","1") = "9"
    & skf18("5","10","6","9","6","10","1") = "9"
    & skf18("5","10","6","9","7","1","1") = "9"
    & skf18("5","10","6","9","7","2","1") = "9"
    & skf18("5","10","6","9","7","3","1") = "9"
    & skf18("5","10","6","9","7","4","1") = "9"
    & skf18("5","10","6","9","7","5","1") = "9"
    & skf18("5","10","6","9","7","6","1") = "9"
    & skf18("5","10","6","9","7","7","1") = "9"
    & skf18("5","10","6","9","7","8","1") = "9"
    & skf18("5","10","6","9","7","9","1") = "9"
    & skf18("5","10","6","9","7","10","1") = "9"
    & skf18("5","10","6","9","8","1","1") = "9"
    & skf18("5","10","6","9","8","2","1") = "9"
    & skf18("5","10","6","9","8","3","1") = "9"
    & skf18("5","10","6","9","8","4","1") = "9"
    & skf18("5","10","6","9","8","5","1") = "9"
    & skf18("5","10","6","9","8","6","1") = "9"
    & skf18("5","10","6","9","8","7","1") = "9"
    & skf18("5","10","6","9","8","8","1") = "9"
    & skf18("5","10","6","9","8","9","1") = "9"
    & skf18("5","10","6","9","8","10","1") = "9"
    & skf18("5","10","6","9","9","1","1") = "9"
    & skf18("5","10","6","9","9","2","1") = "9"
    & skf18("5","10","6","9","9","3","1") = "9"
    & skf18("5","10","6","9","9","4","1") = "9"
    & skf18("5","10","6","9","9","5","1") = "9"
    & skf18("5","10","6","9","9","6","1") = "9"
    & skf18("5","10","6","9","9","7","1") = "9"
    & skf18("5","10","6","9","9","8","1") = "9"
    & skf18("5","10","6","9","9","9","1") = "9"
    & skf18("5","10","6","9","9","10","1") = "9"
    & skf18("5","10","6","9","10","1","1") = "9"
    & skf18("5","10","6","9","10","2","1") = "9"
    & skf18("5","10","6","9","10","3","1") = "9"
    & skf18("5","10","6","9","10","4","1") = "9"
    & skf18("5","10","6","9","10","5","1") = "9"
    & skf18("5","10","6","9","10","6","1") = "9"
    & skf18("5","10","6","9","10","7","1") = "9"
    & skf18("5","10","6","9","10","8","1") = "9"
    & skf18("5","10","6","9","10","9","1") = "9"
    & skf18("5","10","6","9","10","10","1") = "9"
    & skf18("5","10","6","10","1","1","1") = "9"
    & skf18("5","10","6","10","1","2","1") = "9"
    & skf18("5","10","6","10","1","3","1") = "9"
    & skf18("5","10","6","10","1","4","1") = "9"
    & skf18("5","10","6","10","1","5","1") = "9"
    & skf18("5","10","6","10","1","6","1") = "9"
    & skf18("5","10","6","10","1","7","1") = "9"
    & skf18("5","10","6","10","1","8","1") = "9"
    & skf18("5","10","6","10","1","9","1") = "9"
    & skf18("5","10","6","10","1","10","1") = "9"
    & skf18("5","10","6","10","2","1","1") = "9"
    & skf18("5","10","6","10","2","2","1") = "9"
    & skf18("5","10","6","10","2","3","1") = "9"
    & skf18("5","10","6","10","2","4","1") = "9"
    & skf18("5","10","6","10","2","5","1") = "9"
    & skf18("5","10","6","10","2","6","1") = "9"
    & skf18("5","10","6","10","2","7","1") = "9"
    & skf18("5","10","6","10","2","8","1") = "9"
    & skf18("5","10","6","10","2","9","1") = "9"
    & skf18("5","10","6","10","2","10","1") = "9"
    & skf18("5","10","6","10","3","1","1") = "9"
    & skf18("5","10","6","10","3","2","1") = "9"
    & skf18("5","10","6","10","3","3","1") = "9"
    & skf18("5","10","6","10","3","4","1") = "9"
    & skf18("5","10","6","10","3","5","1") = "9"
    & skf18("5","10","6","10","3","6","1") = "9"
    & skf18("5","10","6","10","3","7","1") = "9"
    & skf18("5","10","6","10","3","8","1") = "9"
    & skf18("5","10","6","10","3","9","1") = "9"
    & skf18("5","10","6","10","3","10","1") = "9"
    & skf18("5","10","6","10","4","1","1") = "9"
    & skf18("5","10","6","10","4","2","1") = "9"
    & skf18("5","10","6","10","4","3","1") = "9"
    & skf18("5","10","6","10","4","4","1") = "9"
    & skf18("5","10","6","10","4","5","1") = "9"
    & skf18("5","10","6","10","4","6","1") = "9"
    & skf18("5","10","6","10","4","7","1") = "9"
    & skf18("5","10","6","10","4","8","1") = "9"
    & skf18("5","10","6","10","4","9","1") = "9"
    & skf18("5","10","6","10","4","10","1") = "9"
    & skf18("5","10","6","10","5","1","1") = "9"
    & skf18("5","10","6","10","5","2","1") = "9"
    & skf18("5","10","6","10","5","3","1") = "9"
    & skf18("5","10","6","10","5","4","1") = "9"
    & skf18("5","10","6","10","5","5","1") = "9"
    & skf18("5","10","6","10","5","6","1") = "9"
    & skf18("5","10","6","10","5","7","1") = "9"
    & skf18("5","10","6","10","5","8","1") = "9"
    & skf18("5","10","6","10","5","9","1") = "9"
    & skf18("5","10","6","10","5","10","1") = "9"
    & skf18("5","10","6","10","6","1","1") = "9"
    & skf18("5","10","6","10","6","2","1") = "9"
    & skf18("5","10","6","10","6","3","1") = "9"
    & skf18("5","10","6","10","6","4","1") = "9"
    & skf18("5","10","6","10","6","5","1") = "9"
    & skf18("5","10","6","10","6","6","1") = "9"
    & skf18("5","10","6","10","6","7","1") = "9"
    & skf18("5","10","6","10","6","8","1") = "9"
    & skf18("5","10","6","10","6","9","1") = "9"
    & skf18("5","10","6","10","6","10","1") = "9"
    & skf18("5","10","6","10","7","1","1") = "9"
    & skf18("5","10","6","10","7","2","1") = "9"
    & skf18("5","10","6","10","7","3","1") = "9"
    & skf18("5","10","6","10","7","4","1") = "9"
    & skf18("5","10","6","10","7","5","1") = "9"
    & skf18("5","10","6","10","7","6","1") = "9"
    & skf18("5","10","6","10","7","7","1") = "9"
    & skf18("5","10","6","10","7","8","1") = "9"
    & skf18("5","10","6","10","7","9","1") = "9"
    & skf18("5","10","6","10","7","10","1") = "9"
    & skf18("5","10","6","10","8","1","1") = "9"
    & skf18("5","10","6","10","8","2","1") = "9"
    & skf18("5","10","6","10","8","3","1") = "9"
    & skf18("5","10","6","10","8","4","1") = "9"
    & skf18("5","10","6","10","8","5","1") = "9"
    & skf18("5","10","6","10","8","6","1") = "9"
    & skf18("5","10","6","10","8","7","1") = "9"
    & skf18("5","10","6","10","8","8","1") = "9"
    & skf18("5","10","6","10","8","9","1") = "9"
    & skf18("5","10","6","10","8","10","1") = "9"
    & skf18("5","10","6","10","9","1","1") = "9"
    & skf18("5","10","6","10","9","2","1") = "9"
    & skf18("5","10","6","10","9","3","1") = "9"
    & skf18("5","10","6","10","9","4","1") = "9"
    & skf18("5","10","6","10","9","5","1") = "9"
    & skf18("5","10","6","10","9","6","1") = "9"
    & skf18("5","10","6","10","9","7","1") = "9"
    & skf18("5","10","6","10","9","8","1") = "9"
    & skf18("5","10","6","10","9","9","1") = "9"
    & skf18("5","10","6","10","9","10","1") = "9"
    & skf18("5","10","6","10","10","1","1") = "9"
    & skf18("5","10","6","10","10","2","1") = "9"
    & skf18("5","10","6","10","10","3","1") = "9"
    & skf18("5","10","6","10","10","4","1") = "9"
    & skf18("5","10","6","10","10","5","1") = "9"
    & skf18("5","10","6","10","10","6","1") = "9"
    & skf18("5","10","6","10","10","7","1") = "9"
    & skf18("5","10","6","10","10","8","1") = "9"
    & skf18("5","10","6","10","10","9","1") = "9"
    & skf18("5","10","6","10","10","10","1") = "9"
    & skf18("5","10","7","1","1","1","1") = "9"
    & skf18("5","10","7","1","1","2","1") = "9"
    & skf18("5","10","7","1","1","3","1") = "9"
    & skf18("5","10","7","1","1","4","1") = "9"
    & skf18("5","10","7","1","1","5","1") = "9"
    & skf18("5","10","7","1","1","6","1") = "9"
    & skf18("5","10","7","1","1","7","1") = "9"
    & skf18("5","10","7","1","1","8","1") = "9"
    & skf18("5","10","7","1","1","9","1") = "9"
    & skf18("5","10","7","1","1","10","1") = "9"
    & skf18("5","10","7","1","2","1","1") = "9"
    & skf18("5","10","7","1","2","2","1") = "9"
    & skf18("5","10","7","1","2","3","1") = "9"
    & skf18("5","10","7","1","2","4","1") = "9"
    & skf18("5","10","7","1","2","5","1") = "9"
    & skf18("5","10","7","1","2","6","1") = "9"
    & skf18("5","10","7","1","2","7","1") = "9"
    & skf18("5","10","7","1","2","8","1") = "9"
    & skf18("5","10","7","1","2","9","1") = "9"
    & skf18("5","10","7","1","2","10","1") = "9"
    & skf18("5","10","7","1","3","1","1") = "9"
    & skf18("5","10","7","1","3","2","1") = "9"
    & skf18("5","10","7","1","3","3","1") = "9"
    & skf18("5","10","7","1","3","4","1") = "9"
    & skf18("5","10","7","1","3","5","1") = "9"
    & skf18("5","10","7","1","3","6","1") = "9"
    & skf18("5","10","7","1","3","7","1") = "9"
    & skf18("5","10","7","1","3","8","1") = "9"
    & skf18("5","10","7","1","3","9","1") = "9"
    & skf18("5","10","7","1","3","10","1") = "9"
    & skf18("5","10","7","1","4","1","1") = "9"
    & skf18("5","10","7","1","4","2","1") = "9"
    & skf18("5","10","7","1","4","3","1") = "9"
    & skf18("5","10","7","1","4","4","1") = "9"
    & skf18("5","10","7","1","4","5","1") = "9"
    & skf18("5","10","7","1","4","6","1") = "9"
    & skf18("5","10","7","1","4","7","1") = "9"
    & skf18("5","10","7","1","4","8","1") = "9"
    & skf18("5","10","7","1","4","9","1") = "9"
    & skf18("5","10","7","1","4","10","1") = "9"
    & skf18("5","10","7","1","5","1","1") = "9"
    & skf18("5","10","7","1","5","2","1") = "9"
    & skf18("5","10","7","1","5","3","1") = "9"
    & skf18("5","10","7","1","5","4","1") = "9"
    & skf18("5","10","7","1","5","5","1") = "9"
    & skf18("5","10","7","1","5","6","1") = "9"
    & skf18("5","10","7","1","5","7","1") = "9"
    & skf18("5","10","7","1","5","8","1") = "9"
    & skf18("5","10","7","1","5","9","1") = "9"
    & skf18("5","10","7","1","5","10","1") = "9"
    & skf18("5","10","7","1","6","1","1") = "9"
    & skf18("5","10","7","1","6","2","1") = "9"
    & skf18("5","10","7","1","6","3","1") = "9"
    & skf18("5","10","7","1","6","4","1") = "9"
    & skf18("5","10","7","1","6","5","1") = "9"
    & skf18("5","10","7","1","6","6","1") = "9"
    & skf18("5","10","7","1","6","7","1") = "9"
    & skf18("5","10","7","1","6","8","1") = "9"
    & skf18("5","10","7","1","6","9","1") = "9"
    & skf18("5","10","7","1","6","10","1") = "9"
    & skf18("5","10","7","1","7","1","1") = "9"
    & skf18("5","10","7","1","7","2","1") = "9"
    & skf18("5","10","7","1","7","3","1") = "9"
    & skf18("5","10","7","1","7","4","1") = "9"
    & skf18("5","10","7","1","7","5","1") = "9"
    & skf18("5","10","7","1","7","6","1") = "9"
    & skf18("5","10","7","1","7","7","1") = "9"
    & skf18("5","10","7","1","7","8","1") = "9"
    & skf18("5","10","7","1","7","9","1") = "9"
    & skf18("5","10","7","1","7","10","1") = "9"
    & skf18("5","10","7","1","8","1","1") = "9"
    & skf18("5","10","7","1","8","2","1") = "9"
    & skf18("5","10","7","1","8","3","1") = "9"
    & skf18("5","10","7","1","8","4","1") = "9"
    & skf18("5","10","7","1","8","5","1") = "9"
    & skf18("5","10","7","1","8","6","1") = "9"
    & skf18("5","10","7","1","8","7","1") = "9"
    & skf18("5","10","7","1","8","8","1") = "9"
    & skf18("5","10","7","1","8","9","1") = "9"
    & skf18("5","10","7","1","8","10","1") = "9"
    & skf18("5","10","7","1","9","1","1") = "9"
    & skf18("5","10","7","1","9","2","1") = "9"
    & skf18("5","10","7","1","9","3","1") = "9"
    & skf18("5","10","7","1","9","4","1") = "9"
    & skf18("5","10","7","1","9","5","1") = "9"
    & skf18("5","10","7","1","9","6","1") = "9"
    & skf18("5","10","7","1","9","7","1") = "9"
    & skf18("5","10","7","1","9","8","1") = "9"
    & skf18("5","10","7","1","9","9","1") = "9"
    & skf18("5","10","7","1","9","10","1") = "9"
    & skf18("5","10","7","1","10","1","1") = "9"
    & skf18("5","10","7","1","10","2","1") = "9"
    & skf18("5","10","7","1","10","3","1") = "9"
    & skf18("5","10","7","1","10","4","1") = "9"
    & skf18("5","10","7","1","10","5","1") = "9"
    & skf18("5","10","7","1","10","6","1") = "9"
    & skf18("5","10","7","1","10","7","1") = "9"
    & skf18("5","10","7","1","10","8","1") = "9"
    & skf18("5","10","7","1","10","9","1") = "9"
    & skf18("5","10","7","1","10","10","1") = "9"
    & skf18("5","10","7","2","1","1","1") = "9"
    & skf18("5","10","7","2","1","2","1") = "9"
    & skf18("5","10","7","2","1","3","1") = "9"
    & skf18("5","10","7","2","1","4","1") = "9"
    & skf18("5","10","7","2","1","5","1") = "9"
    & skf18("5","10","7","2","1","6","1") = "9"
    & skf18("5","10","7","2","1","7","1") = "9"
    & skf18("5","10","7","2","1","8","1") = "9"
    & skf18("5","10","7","2","1","9","1") = "9"
    & skf18("5","10","7","2","1","10","1") = "9"
    & skf18("5","10","7","2","2","1","1") = "9"
    & skf18("5","10","7","2","2","2","1") = "9"
    & skf18("5","10","7","2","2","3","1") = "9"
    & skf18("5","10","7","2","2","4","1") = "9"
    & skf18("5","10","7","2","2","5","1") = "9"
    & skf18("5","10","7","2","2","6","1") = "9"
    & skf18("5","10","7","2","2","7","1") = "9"
    & skf18("5","10","7","2","2","8","1") = "9"
    & skf18("5","10","7","2","2","9","1") = "9"
    & skf18("5","10","7","2","2","10","1") = "9"
    & skf18("5","10","7","2","3","1","1") = "9"
    & skf18("5","10","7","2","3","2","1") = "9"
    & skf18("5","10","7","2","3","3","1") = "9"
    & skf18("5","10","7","2","3","4","1") = "9"
    & skf18("5","10","7","2","3","5","1") = "9"
    & skf18("5","10","7","2","3","6","1") = "9"
    & skf18("5","10","7","2","3","7","1") = "9"
    & skf18("5","10","7","2","3","8","1") = "9"
    & skf18("5","10","7","2","3","9","1") = "9"
    & skf18("5","10","7","2","3","10","1") = "9"
    & skf18("5","10","7","2","4","1","1") = "9"
    & skf18("5","10","7","2","4","2","1") = "9"
    & skf18("5","10","7","2","4","3","1") = "9"
    & skf18("5","10","7","2","4","4","1") = "9"
    & skf18("5","10","7","2","4","5","1") = "9"
    & skf18("5","10","7","2","4","6","1") = "9"
    & skf18("5","10","7","2","4","7","1") = "9"
    & skf18("5","10","7","2","4","8","1") = "9"
    & skf18("5","10","7","2","4","9","1") = "9"
    & skf18("5","10","7","2","4","10","1") = "9"
    & skf18("5","10","7","2","5","1","1") = "9"
    & skf18("5","10","7","2","5","2","1") = "9"
    & skf18("5","10","7","2","5","3","1") = "9"
    & skf18("5","10","7","2","5","4","1") = "9"
    & skf18("5","10","7","2","5","5","1") = "9"
    & skf18("5","10","7","2","5","6","1") = "9"
    & skf18("5","10","7","2","5","7","1") = "9"
    & skf18("5","10","7","2","5","8","1") = "9"
    & skf18("5","10","7","2","5","9","1") = "9"
    & skf18("5","10","7","2","5","10","1") = "9"
    & skf18("5","10","7","2","6","1","1") = "9"
    & skf18("5","10","7","2","6","2","1") = "9"
    & skf18("5","10","7","2","6","3","1") = "9"
    & skf18("5","10","7","2","6","4","1") = "9"
    & skf18("5","10","7","2","6","5","1") = "9"
    & skf18("5","10","7","2","6","6","1") = "9"
    & skf18("5","10","7","2","6","7","1") = "9"
    & skf18("5","10","7","2","6","8","1") = "9"
    & skf18("5","10","7","2","6","9","1") = "9"
    & skf18("5","10","7","2","6","10","1") = "9"
    & skf18("5","10","7","2","7","1","1") = "9"
    & skf18("5","10","7","2","7","2","1") = "9"
    & skf18("5","10","7","2","7","3","1") = "9"
    & skf18("5","10","7","2","7","4","1") = "9"
    & skf18("5","10","7","2","7","5","1") = "9"
    & skf18("5","10","7","2","7","6","1") = "9"
    & skf18("5","10","7","2","7","7","1") = "9"
    & skf18("5","10","7","2","7","8","1") = "9"
    & skf18("5","10","7","2","7","9","1") = "9"
    & skf18("5","10","7","2","7","10","1") = "9"
    & skf18("5","10","7","2","8","1","1") = "9"
    & skf18("5","10","7","2","8","2","1") = "9"
    & skf18("5","10","7","2","8","3","1") = "9"
    & skf18("5","10","7","2","8","4","1") = "9"
    & skf18("5","10","7","2","8","5","1") = "9"
    & skf18("5","10","7","2","8","6","1") = "9"
    & skf18("5","10","7","2","8","7","1") = "9"
    & skf18("5","10","7","2","8","8","1") = "9"
    & skf18("5","10","7","2","8","9","1") = "9"
    & skf18("5","10","7","2","8","10","1") = "9"
    & skf18("5","10","7","2","9","1","1") = "9"
    & skf18("5","10","7","2","9","2","1") = "9"
    & skf18("5","10","7","2","9","3","1") = "9"
    & skf18("5","10","7","2","9","4","1") = "9"
    & skf18("5","10","7","2","9","5","1") = "9"
    & skf18("5","10","7","2","9","6","1") = "9"
    & skf18("5","10","7","2","9","7","1") = "9"
    & skf18("5","10","7","2","9","8","1") = "9"
    & skf18("5","10","7","2","9","9","1") = "9"
    & skf18("5","10","7","2","9","10","1") = "9"
    & skf18("5","10","7","2","10","1","1") = "9"
    & skf18("5","10","7","2","10","2","1") = "9"
    & skf18("5","10","7","2","10","3","1") = "9"
    & skf18("5","10","7","2","10","4","1") = "9"
    & skf18("5","10","7","2","10","5","1") = "9"
    & skf18("5","10","7","2","10","6","1") = "9"
    & skf18("5","10","7","2","10","7","1") = "9"
    & skf18("5","10","7","2","10","8","1") = "9"
    & skf18("5","10","7","2","10","9","1") = "9"
    & skf18("5","10","7","2","10","10","1") = "9"
    & skf18("5","10","7","3","1","1","1") = "9"
    & skf18("5","10","7","3","1","2","1") = "9"
    & skf18("5","10","7","3","1","3","1") = "9"
    & skf18("5","10","7","3","1","4","1") = "9"
    & skf18("5","10","7","3","1","5","1") = "9"
    & skf18("5","10","7","3","1","6","1") = "9"
    & skf18("5","10","7","3","1","7","1") = "9"
    & skf18("5","10","7","3","1","8","1") = "9"
    & skf18("5","10","7","3","1","9","1") = "9"
    & skf18("5","10","7","3","1","10","1") = "9"
    & skf18("5","10","7","3","2","1","1") = "9"
    & skf18("5","10","7","3","2","2","1") = "9"
    & skf18("5","10","7","3","2","3","1") = "9"
    & skf18("5","10","7","3","2","4","1") = "9"
    & skf18("5","10","7","3","2","5","1") = "9"
    & skf18("5","10","7","3","2","6","1") = "9"
    & skf18("5","10","7","3","2","7","1") = "9"
    & skf18("5","10","7","3","2","8","1") = "9"
    & skf18("5","10","7","3","2","9","1") = "9"
    & skf18("5","10","7","3","2","10","1") = "9"
    & skf18("5","10","7","3","3","1","1") = "9"
    & skf18("5","10","7","3","3","2","1") = "9"
    & skf18("5","10","7","3","3","3","1") = "9"
    & skf18("5","10","7","3","3","4","1") = "9"
    & skf18("5","10","7","3","3","5","1") = "9"
    & skf18("5","10","7","3","3","6","1") = "9"
    & skf18("5","10","7","3","3","7","1") = "9"
    & skf18("5","10","7","3","3","8","1") = "9"
    & skf18("5","10","7","3","3","9","1") = "9"
    & skf18("5","10","7","3","3","10","1") = "9"
    & skf18("5","10","7","3","4","1","1") = "9"
    & skf18("5","10","7","3","4","2","1") = "9"
    & skf18("5","10","7","3","4","3","1") = "9"
    & skf18("5","10","7","3","4","4","1") = "9"
    & skf18("5","10","7","3","4","5","1") = "9"
    & skf18("5","10","7","3","4","6","1") = "9"
    & skf18("5","10","7","3","4","7","1") = "9"
    & skf18("5","10","7","3","4","8","1") = "9"
    & skf18("5","10","7","3","4","9","1") = "9"
    & skf18("5","10","7","3","4","10","1") = "9"
    & skf18("5","10","7","3","5","1","1") = "9"
    & skf18("5","10","7","3","5","2","1") = "9"
    & skf18("5","10","7","3","5","3","1") = "9"
    & skf18("5","10","7","3","5","4","1") = "9"
    & skf18("5","10","7","3","5","5","1") = "9"
    & skf18("5","10","7","3","5","6","1") = "9"
    & skf18("5","10","7","3","5","7","1") = "9"
    & skf18("5","10","7","3","5","8","1") = "9"
    & skf18("5","10","7","3","5","9","1") = "9"
    & skf18("5","10","7","3","5","10","1") = "9"
    & skf18("5","10","7","3","6","1","1") = "9"
    & skf18("5","10","7","3","6","2","1") = "9"
    & skf18("5","10","7","3","6","3","1") = "9"
    & skf18("5","10","7","3","6","4","1") = "9"
    & skf18("5","10","7","3","6","5","1") = "9"
    & skf18("5","10","7","3","6","6","1") = "9"
    & skf18("5","10","7","3","6","7","1") = "9"
    & skf18("5","10","7","3","6","8","1") = "9"
    & skf18("5","10","7","3","6","9","1") = "9"
    & skf18("5","10","7","3","6","10","1") = "9"
    & skf18("5","10","7","3","7","1","1") = "9"
    & skf18("5","10","7","3","7","2","1") = "9"
    & skf18("5","10","7","3","7","3","1") = "9"
    & skf18("5","10","7","3","7","4","1") = "9"
    & skf18("5","10","7","3","7","5","1") = "9"
    & skf18("5","10","7","3","7","6","1") = "9"
    & skf18("5","10","7","3","7","7","1") = "9"
    & skf18("5","10","7","3","7","8","1") = "9"
    & skf18("5","10","7","3","7","9","1") = "9"
    & skf18("5","10","7","3","7","10","1") = "9"
    & skf18("5","10","7","3","8","1","1") = "9"
    & skf18("5","10","7","3","8","2","1") = "9"
    & skf18("5","10","7","3","8","3","1") = "9"
    & skf18("5","10","7","3","8","4","1") = "9"
    & skf18("5","10","7","3","8","5","1") = "9"
    & skf18("5","10","7","3","8","6","1") = "9"
    & skf18("5","10","7","3","8","7","1") = "9"
    & skf18("5","10","7","3","8","8","1") = "9"
    & skf18("5","10","7","3","8","9","1") = "9"
    & skf18("5","10","7","3","8","10","1") = "9"
    & skf18("5","10","7","3","9","1","1") = "9"
    & skf18("5","10","7","3","9","2","1") = "9"
    & skf18("5","10","7","3","9","3","1") = "9"
    & skf18("5","10","7","3","9","4","1") = "9"
    & skf18("5","10","7","3","9","5","1") = "9"
    & skf18("5","10","7","3","9","6","1") = "9"
    & skf18("5","10","7","3","9","7","1") = "9"
    & skf18("5","10","7","3","9","8","1") = "9"
    & skf18("5","10","7","3","9","9","1") = "9"
    & skf18("5","10","7","3","9","10","1") = "9"
    & skf18("5","10","7","3","10","1","1") = "9"
    & skf18("5","10","7","3","10","2","1") = "9"
    & skf18("5","10","7","3","10","3","1") = "9"
    & skf18("5","10","7","3","10","4","1") = "9"
    & skf18("5","10","7","3","10","5","1") = "9"
    & skf18("5","10","7","3","10","6","1") = "9"
    & skf18("5","10","7","3","10","7","1") = "9"
    & skf18("5","10","7","3","10","8","1") = "9"
    & skf18("5","10","7","3","10","9","1") = "9"
    & skf18("5","10","7","3","10","10","1") = "9"
    & skf18("5","10","7","4","1","1","1") = "9"
    & skf18("5","10","7","4","1","2","1") = "9"
    & skf18("5","10","7","4","1","3","1") = "9"
    & skf18("5","10","7","4","1","4","1") = "9"
    & skf18("5","10","7","4","1","5","1") = "9"
    & skf18("5","10","7","4","1","6","1") = "9"
    & skf18("5","10","7","4","1","7","1") = "9"
    & skf18("5","10","7","4","1","8","1") = "9"
    & skf18("5","10","7","4","1","9","1") = "9"
    & skf18("5","10","7","4","1","10","1") = "9"
    & skf18("5","10","7","4","2","1","1") = "9"
    & skf18("5","10","7","4","2","2","1") = "9"
    & skf18("5","10","7","4","2","3","1") = "9"
    & skf18("5","10","7","4","2","4","1") = "9"
    & skf18("5","10","7","4","2","5","1") = "9"
    & skf18("5","10","7","4","2","6","1") = "9"
    & skf18("5","10","7","4","2","7","1") = "9"
    & skf18("5","10","7","4","2","8","1") = "9"
    & skf18("5","10","7","4","2","9","1") = "9"
    & skf18("5","10","7","4","2","10","1") = "9"
    & skf18("5","10","7","4","3","1","1") = "9"
    & skf18("5","10","7","4","3","2","1") = "9"
    & skf18("5","10","7","4","3","3","1") = "9"
    & skf18("5","10","7","4","3","4","1") = "9"
    & skf18("5","10","7","4","3","5","1") = "9"
    & skf18("5","10","7","4","3","6","1") = "9"
    & skf18("5","10","7","4","3","7","1") = "9"
    & skf18("5","10","7","4","3","8","1") = "9"
    & skf18("5","10","7","4","3","9","1") = "9"
    & skf18("5","10","7","4","3","10","1") = "9"
    & skf18("5","10","7","4","4","1","1") = "9"
    & skf18("5","10","7","4","4","2","1") = "9"
    & skf18("5","10","7","4","4","3","1") = "9"
    & skf18("5","10","7","4","4","4","1") = "9"
    & skf18("5","10","7","4","4","5","1") = "9"
    & skf18("5","10","7","4","4","6","1") = "9"
    & skf18("5","10","7","4","4","7","1") = "9"
    & skf18("5","10","7","4","4","8","1") = "9"
    & skf18("5","10","7","4","4","9","1") = "9"
    & skf18("5","10","7","4","4","10","1") = "9"
    & skf18("5","10","7","4","5","1","1") = "9"
    & skf18("5","10","7","4","5","2","1") = "9"
    & skf18("5","10","7","4","5","3","1") = "9"
    & skf18("5","10","7","4","5","4","1") = "9"
    & skf18("5","10","7","4","5","5","1") = "9"
    & skf18("5","10","7","4","5","6","1") = "9"
    & skf18("5","10","7","4","5","7","1") = "9"
    & skf18("5","10","7","4","5","8","1") = "9"
    & skf18("5","10","7","4","5","9","1") = "9"
    & skf18("5","10","7","4","5","10","1") = "9"
    & skf18("5","10","7","4","6","1","1") = "9"
    & skf18("5","10","7","4","6","2","1") = "9"
    & skf18("5","10","7","4","6","3","1") = "9"
    & skf18("5","10","7","4","6","4","1") = "9"
    & skf18("5","10","7","4","6","5","1") = "9"
    & skf18("5","10","7","4","6","6","1") = "9"
    & skf18("5","10","7","4","6","7","1") = "9"
    & skf18("5","10","7","4","6","8","1") = "9"
    & skf18("5","10","7","4","6","9","1") = "9"
    & skf18("5","10","7","4","6","10","1") = "9"
    & skf18("5","10","7","4","7","1","1") = "9"
    & skf18("5","10","7","4","7","2","1") = "9"
    & skf18("5","10","7","4","7","3","1") = "9"
    & skf18("5","10","7","4","7","4","1") = "9"
    & skf18("5","10","7","4","7","5","1") = "9"
    & skf18("5","10","7","4","7","6","1") = "9"
    & skf18("5","10","7","4","7","7","1") = "9"
    & skf18("5","10","7","4","7","8","1") = "9"
    & skf18("5","10","7","4","7","9","1") = "9"
    & skf18("5","10","7","4","7","10","1") = "9"
    & skf18("5","10","7","4","8","1","1") = "9"
    & skf18("5","10","7","4","8","2","1") = "9"
    & skf18("5","10","7","4","8","3","1") = "9"
    & skf18("5","10","7","4","8","4","1") = "9"
    & skf18("5","10","7","4","8","5","1") = "9"
    & skf18("5","10","7","4","8","6","1") = "9"
    & skf18("5","10","7","4","8","7","1") = "9"
    & skf18("5","10","7","4","8","8","1") = "9"
    & skf18("5","10","7","4","8","9","1") = "9"
    & skf18("5","10","7","4","8","10","1") = "9"
    & skf18("5","10","7","4","9","1","1") = "9"
    & skf18("5","10","7","4","9","2","1") = "9"
    & skf18("5","10","7","4","9","3","1") = "9"
    & skf18("5","10","7","4","9","4","1") = "9"
    & skf18("5","10","7","4","9","5","1") = "9"
    & skf18("5","10","7","4","9","6","1") = "9"
    & skf18("5","10","7","4","9","7","1") = "9"
    & skf18("5","10","7","4","9","8","1") = "9"
    & skf18("5","10","7","4","9","9","1") = "9"
    & skf18("5","10","7","4","9","10","1") = "9"
    & skf18("5","10","7","4","10","1","1") = "9"
    & skf18("5","10","7","4","10","2","1") = "9"
    & skf18("5","10","7","4","10","3","1") = "9"
    & skf18("5","10","7","4","10","4","1") = "9"
    & skf18("5","10","7","4","10","5","1") = "9"
    & skf18("5","10","7","4","10","6","1") = "9"
    & skf18("5","10","7","4","10","7","1") = "9"
    & skf18("5","10","7","4","10","8","1") = "9"
    & skf18("5","10","7","4","10","9","1") = "9"
    & skf18("5","10","7","4","10","10","1") = "9"
    & skf18("5","10","7","5","1","1","1") = "9"
    & skf18("5","10","7","5","1","2","1") = "9"
    & skf18("5","10","7","5","1","3","1") = "9"
    & skf18("5","10","7","5","1","4","1") = "9"
    & skf18("5","10","7","5","1","5","1") = "9"
    & skf18("5","10","7","5","1","6","1") = "9"
    & skf18("5","10","7","5","1","7","1") = "9"
    & skf18("5","10","7","5","1","8","1") = "9"
    & skf18("5","10","7","5","1","9","1") = "9"
    & skf18("5","10","7","5","1","10","1") = "9"
    & skf18("5","10","7","5","2","1","1") = "9"
    & skf18("5","10","7","5","2","2","1") = "9"
    & skf18("5","10","7","5","2","3","1") = "9"
    & skf18("5","10","7","5","2","4","1") = "9"
    & skf18("5","10","7","5","2","5","1") = "9"
    & skf18("5","10","7","5","2","6","1") = "9"
    & skf18("5","10","7","5","2","7","1") = "9"
    & skf18("5","10","7","5","2","8","1") = "9"
    & skf18("5","10","7","5","2","9","1") = "9"
    & skf18("5","10","7","5","2","10","1") = "9"
    & skf18("5","10","7","5","3","1","1") = "9"
    & skf18("5","10","7","5","3","2","1") = "9"
    & skf18("5","10","7","5","3","3","1") = "9"
    & skf18("5","10","7","5","3","4","1") = "9"
    & skf18("5","10","7","5","3","5","1") = "9"
    & skf18("5","10","7","5","3","6","1") = "9"
    & skf18("5","10","7","5","3","7","1") = "9"
    & skf18("5","10","7","5","3","8","1") = "9"
    & skf18("5","10","7","5","3","9","1") = "9"
    & skf18("5","10","7","5","3","10","1") = "9"
    & skf18("5","10","7","5","4","1","1") = "9"
    & skf18("5","10","7","5","4","2","1") = "9"
    & skf18("5","10","7","5","4","3","1") = "9"
    & skf18("5","10","7","5","4","4","1") = "9"
    & skf18("5","10","7","5","4","5","1") = "9"
    & skf18("5","10","7","5","4","6","1") = "9"
    & skf18("5","10","7","5","4","7","1") = "9"
    & skf18("5","10","7","5","4","8","1") = "9"
    & skf18("5","10","7","5","4","9","1") = "9"
    & skf18("5","10","7","5","4","10","1") = "9"
    & skf18("5","10","7","5","5","1","1") = "9"
    & skf18("5","10","7","5","5","2","1") = "9"
    & skf18("5","10","7","5","5","3","1") = "9"
    & skf18("5","10","7","5","5","4","1") = "9"
    & skf18("5","10","7","5","5","5","1") = "9"
    & skf18("5","10","7","5","5","6","1") = "9"
    & skf18("5","10","7","5","5","7","1") = "9"
    & skf18("5","10","7","5","5","8","1") = "9"
    & skf18("5","10","7","5","5","9","1") = "9"
    & skf18("5","10","7","5","5","10","1") = "9"
    & skf18("5","10","7","5","6","1","1") = "9"
    & skf18("5","10","7","5","6","2","1") = "9"
    & skf18("5","10","7","5","6","3","1") = "9"
    & skf18("5","10","7","5","6","4","1") = "9"
    & skf18("5","10","7","5","6","5","1") = "9"
    & skf18("5","10","7","5","6","6","1") = "9"
    & skf18("5","10","7","5","6","7","1") = "9"
    & skf18("5","10","7","5","6","8","1") = "9"
    & skf18("5","10","7","5","6","9","1") = "9"
    & skf18("5","10","7","5","6","10","1") = "9"
    & skf18("5","10","7","5","7","1","1") = "9"
    & skf18("5","10","7","5","7","2","1") = "9"
    & skf18("5","10","7","5","7","3","1") = "9"
    & skf18("5","10","7","5","7","4","1") = "9"
    & skf18("5","10","7","5","7","5","1") = "9"
    & skf18("5","10","7","5","7","6","1") = "9"
    & skf18("5","10","7","5","7","7","1") = "9"
    & skf18("5","10","7","5","7","8","1") = "9"
    & skf18("5","10","7","5","7","9","1") = "9"
    & skf18("5","10","7","5","7","10","1") = "9"
    & skf18("5","10","7","5","8","1","1") = "9"
    & skf18("5","10","7","5","8","2","1") = "9"
    & skf18("5","10","7","5","8","3","1") = "9"
    & skf18("5","10","7","5","8","4","1") = "9"
    & skf18("5","10","7","5","8","5","1") = "9"
    & skf18("5","10","7","5","8","6","1") = "9"
    & skf18("5","10","7","5","8","7","1") = "9"
    & skf18("5","10","7","5","8","8","1") = "9"
    & skf18("5","10","7","5","8","9","1") = "9"
    & skf18("5","10","7","5","8","10","1") = "9"
    & skf18("5","10","7","5","9","1","1") = "9"
    & skf18("5","10","7","5","9","2","1") = "9"
    & skf18("5","10","7","5","9","3","1") = "9"
    & skf18("5","10","7","5","9","4","1") = "9"
    & skf18("5","10","7","5","9","5","1") = "9"
    & skf18("5","10","7","5","9","6","1") = "9"
    & skf18("5","10","7","5","9","7","1") = "9"
    & skf18("5","10","7","5","9","8","1") = "9"
    & skf18("5","10","7","5","9","9","1") = "9"
    & skf18("5","10","7","5","9","10","1") = "9"
    & skf18("5","10","7","5","10","1","1") = "9"
    & skf18("5","10","7","5","10","2","1") = "9"
    & skf18("5","10","7","5","10","3","1") = "9"
    & skf18("5","10","7","5","10","4","1") = "9"
    & skf18("5","10","7","5","10","5","1") = "9"
    & skf18("5","10","7","5","10","6","1") = "9"
    & skf18("5","10","7","5","10","7","1") = "9"
    & skf18("5","10","7","5","10","8","1") = "9"
    & skf18("5","10","7","5","10","9","1") = "9"
    & skf18("5","10","7","5","10","10","1") = "9"
    & skf18("5","10","7","6","1","1","1") = "9"
    & skf18("5","10","7","6","1","2","1") = "9"
    & skf18("5","10","7","6","1","3","1") = "9"
    & skf18("5","10","7","6","1","4","1") = "9"
    & skf18("5","10","7","6","1","5","1") = "9"
    & skf18("5","10","7","6","1","6","1") = "9"
    & skf18("5","10","7","6","1","7","1") = "9"
    & skf18("5","10","7","6","1","8","1") = "9"
    & skf18("5","10","7","6","1","9","1") = "9"
    & skf18("5","10","7","6","1","10","1") = "9"
    & skf18("5","10","7","6","2","1","1") = "9"
    & skf18("5","10","7","6","2","2","1") = "9"
    & skf18("5","10","7","6","2","3","1") = "9"
    & skf18("5","10","7","6","2","4","1") = "9"
    & skf18("5","10","7","6","2","5","1") = "9"
    & skf18("5","10","7","6","2","6","1") = "9"
    & skf18("5","10","7","6","2","7","1") = "9"
    & skf18("5","10","7","6","2","8","1") = "9"
    & skf18("5","10","7","6","2","9","1") = "9"
    & skf18("5","10","7","6","2","10","1") = "9"
    & skf18("5","10","7","6","3","1","1") = "9"
    & skf18("5","10","7","6","3","2","1") = "9"
    & skf18("5","10","7","6","3","3","1") = "9"
    & skf18("5","10","7","6","3","4","1") = "9"
    & skf18("5","10","7","6","3","5","1") = "9"
    & skf18("5","10","7","6","3","6","1") = "9"
    & skf18("5","10","7","6","3","7","1") = "9"
    & skf18("5","10","7","6","3","8","1") = "9"
    & skf18("5","10","7","6","3","9","1") = "9"
    & skf18("5","10","7","6","3","10","1") = "9"
    & skf18("5","10","7","6","4","1","1") = "9"
    & skf18("5","10","7","6","4","2","1") = "9"
    & skf18("5","10","7","6","4","3","1") = "9"
    & skf18("5","10","7","6","4","4","1") = "9"
    & skf18("5","10","7","6","4","5","1") = "9"
    & skf18("5","10","7","6","4","6","1") = "9"
    & skf18("5","10","7","6","4","7","1") = "9"
    & skf18("5","10","7","6","4","8","1") = "9"
    & skf18("5","10","7","6","4","9","1") = "9"
    & skf18("5","10","7","6","4","10","1") = "9"
    & skf18("5","10","7","6","5","1","1") = "9"
    & skf18("5","10","7","6","5","2","1") = "9"
    & skf18("5","10","7","6","5","3","1") = "9"
    & skf18("5","10","7","6","5","4","1") = "9"
    & skf18("5","10","7","6","5","5","1") = "9"
    & skf18("5","10","7","6","5","6","1") = "9"
    & skf18("5","10","7","6","5","7","1") = "9"
    & skf18("5","10","7","6","5","8","1") = "9"
    & skf18("5","10","7","6","5","9","1") = "9"
    & skf18("5","10","7","6","5","10","1") = "9"
    & skf18("5","10","7","6","6","1","1") = "9"
    & skf18("5","10","7","6","6","2","1") = "9"
    & skf18("5","10","7","6","6","3","1") = "9"
    & skf18("5","10","7","6","6","4","1") = "9"
    & skf18("5","10","7","6","6","5","1") = "9"
    & skf18("5","10","7","6","6","6","1") = "9"
    & skf18("5","10","7","6","6","7","1") = "9"
    & skf18("5","10","7","6","6","8","1") = "9"
    & skf18("5","10","7","6","6","9","1") = "9"
    & skf18("5","10","7","6","6","10","1") = "9"
    & skf18("5","10","7","6","7","1","1") = "9"
    & skf18("5","10","7","6","7","2","1") = "9"
    & skf18("5","10","7","6","7","3","1") = "9"
    & skf18("5","10","7","6","7","4","1") = "9"
    & skf18("5","10","7","6","7","5","1") = "9"
    & skf18("5","10","7","6","7","6","1") = "9"
    & skf18("5","10","7","6","7","7","1") = "9"
    & skf18("5","10","7","6","7","8","1") = "9"
    & skf18("5","10","7","6","7","9","1") = "9"
    & skf18("5","10","7","6","7","10","1") = "9"
    & skf18("5","10","7","6","8","1","1") = "9"
    & skf18("5","10","7","6","8","2","1") = "9"
    & skf18("5","10","7","6","8","3","1") = "9"
    & skf18("5","10","7","6","8","4","1") = "9"
    & skf18("5","10","7","6","8","5","1") = "9"
    & skf18("5","10","7","6","8","6","1") = "9"
    & skf18("5","10","7","6","8","7","1") = "9"
    & skf18("5","10","7","6","8","8","1") = "9"
    & skf18("5","10","7","6","8","9","1") = "9"
    & skf18("5","10","7","6","8","10","1") = "9"
    & skf18("5","10","7","6","9","1","1") = "9"
    & skf18("5","10","7","6","9","2","1") = "9"
    & skf18("5","10","7","6","9","3","1") = "9"
    & skf18("5","10","7","6","9","4","1") = "9"
    & skf18("5","10","7","6","9","5","1") = "9"
    & skf18("5","10","7","6","9","6","1") = "9"
    & skf18("5","10","7","6","9","7","1") = "9"
    & skf18("5","10","7","6","9","8","1") = "9"
    & skf18("5","10","7","6","9","9","1") = "9"
    & skf18("5","10","7","6","9","10","1") = "9"
    & skf18("5","10","7","6","10","1","1") = "9"
    & skf18("5","10","7","6","10","2","1") = "9"
    & skf18("5","10","7","6","10","3","1") = "9"
    & skf18("5","10","7","6","10","4","1") = "9"
    & skf18("5","10","7","6","10","5","1") = "9"
    & skf18("5","10","7","6","10","6","1") = "9"
    & skf18("5","10","7","6","10","7","1") = "9"
    & skf18("5","10","7","6","10","8","1") = "9"
    & skf18("5","10","7","6","10","9","1") = "9"
    & skf18("5","10","7","6","10","10","1") = "9"
    & skf18("5","10","7","7","1","1","1") = "9"
    & skf18("5","10","7","7","1","2","1") = "9"
    & skf18("5","10","7","7","1","3","1") = "9"
    & skf18("5","10","7","7","1","4","1") = "9"
    & skf18("5","10","7","7","1","5","1") = "9"
    & skf18("5","10","7","7","1","6","1") = "9"
    & skf18("5","10","7","7","1","7","1") = "9"
    & skf18("5","10","7","7","1","8","1") = "9"
    & skf18("5","10","7","7","1","9","1") = "9"
    & skf18("5","10","7","7","1","10","1") = "9"
    & skf18("5","10","7","7","2","1","1") = "9"
    & skf18("5","10","7","7","2","2","1") = "9"
    & skf18("5","10","7","7","2","3","1") = "9"
    & skf18("5","10","7","7","2","4","1") = "9"
    & skf18("5","10","7","7","2","5","1") = "9"
    & skf18("5","10","7","7","2","6","1") = "9"
    & skf18("5","10","7","7","2","7","1") = "9"
    & skf18("5","10","7","7","2","8","1") = "9"
    & skf18("5","10","7","7","2","9","1") = "9"
    & skf18("5","10","7","7","2","10","1") = "9"
    & skf18("5","10","7","7","3","1","1") = "9"
    & skf18("5","10","7","7","3","2","1") = "9"
    & skf18("5","10","7","7","3","3","1") = "9"
    & skf18("5","10","7","7","3","4","1") = "9"
    & skf18("5","10","7","7","3","5","1") = "9"
    & skf18("5","10","7","7","3","6","1") = "9"
    & skf18("5","10","7","7","3","7","1") = "9"
    & skf18("5","10","7","7","3","8","1") = "9"
    & skf18("5","10","7","7","3","9","1") = "9"
    & skf18("5","10","7","7","3","10","1") = "9"
    & skf18("5","10","7","7","4","1","1") = "9"
    & skf18("5","10","7","7","4","2","1") = "9"
    & skf18("5","10","7","7","4","3","1") = "9"
    & skf18("5","10","7","7","4","4","1") = "9"
    & skf18("5","10","7","7","4","5","1") = "9"
    & skf18("5","10","7","7","4","6","1") = "9"
    & skf18("5","10","7","7","4","7","1") = "9"
    & skf18("5","10","7","7","4","8","1") = "9"
    & skf18("5","10","7","7","4","9","1") = "9"
    & skf18("5","10","7","7","4","10","1") = "9"
    & skf18("5","10","7","7","5","1","1") = "9"
    & skf18("5","10","7","7","5","2","1") = "9"
    & skf18("5","10","7","7","5","3","1") = "9"
    & skf18("5","10","7","7","5","4","1") = "9"
    & skf18("5","10","7","7","5","5","1") = "9"
    & skf18("5","10","7","7","5","6","1") = "9"
    & skf18("5","10","7","7","5","7","1") = "9"
    & skf18("5","10","7","7","5","8","1") = "9"
    & skf18("5","10","7","7","5","9","1") = "9"
    & skf18("5","10","7","7","5","10","1") = "9"
    & skf18("5","10","7","7","6","1","1") = "9"
    & skf18("5","10","7","7","6","2","1") = "9"
    & skf18("5","10","7","7","6","3","1") = "9"
    & skf18("5","10","7","7","6","4","1") = "9"
    & skf18("5","10","7","7","6","5","1") = "9"
    & skf18("5","10","7","7","6","6","1") = "9"
    & skf18("5","10","7","7","6","7","1") = "9"
    & skf18("5","10","7","7","6","8","1") = "9"
    & skf18("5","10","7","7","6","9","1") = "9"
    & skf18("5","10","7","7","6","10","1") = "9"
    & skf18("5","10","7","7","7","1","1") = "9"
    & skf18("5","10","7","7","7","2","1") = "9"
    & skf18("5","10","7","7","7","3","1") = "9"
    & skf18("5","10","7","7","7","4","1") = "9"
    & skf18("5","10","7","7","7","5","1") = "9"
    & skf18("5","10","7","7","7","6","1") = "9"
    & skf18("5","10","7","7","7","7","1") = "9"
    & skf18("5","10","7","7","7","8","1") = "9"
    & skf18("5","10","7","7","7","9","1") = "9"
    & skf18("5","10","7","7","7","10","1") = "9"
    & skf18("5","10","7","7","8","1","1") = "9"
    & skf18("5","10","7","7","8","2","1") = "9"
    & skf18("5","10","7","7","8","3","1") = "9"
    & skf18("5","10","7","7","8","4","1") = "9"
    & skf18("5","10","7","7","8","5","1") = "9"
    & skf18("5","10","7","7","8","6","1") = "9"
    & skf18("5","10","7","7","8","7","1") = "9"
    & skf18("5","10","7","7","8","8","1") = "9"
    & skf18("5","10","7","7","8","9","1") = "9"
    & skf18("5","10","7","7","8","10","1") = "9"
    & skf18("5","10","7","7","9","1","1") = "9"
    & skf18("5","10","7","7","9","2","1") = "9"
    & skf18("5","10","7","7","9","3","1") = "9"
    & skf18("5","10","7","7","9","4","1") = "9"
    & skf18("5","10","7","7","9","5","1") = "9"
    & skf18("5","10","7","7","9","6","1") = "9"
    & skf18("5","10","7","7","9","7","1") = "9"
    & skf18("5","10","7","7","9","8","1") = "9"
    & skf18("5","10","7","7","9","9","1") = "9"
    & skf18("5","10","7","7","9","10","1") = "9"
    & skf18("5","10","7","7","10","1","1") = "9"
    & skf18("5","10","7","7","10","2","1") = "9"
    & skf18("5","10","7","7","10","3","1") = "9"
    & skf18("5","10","7","7","10","4","1") = "9"
    & skf18("5","10","7","7","10","5","1") = "9"
    & skf18("5","10","7","7","10","6","1") = "9"
    & skf18("5","10","7","7","10","7","1") = "9"
    & skf18("5","10","7","7","10","8","1") = "9"
    & skf18("5","10","7","7","10","9","1") = "9"
    & skf18("5","10","7","7","10","10","1") = "9"
    & skf18("5","10","7","8","1","1","1") = "9"
    & skf18("5","10","7","8","1","2","1") = "9"
    & skf18("5","10","7","8","1","3","1") = "9"
    & skf18("5","10","7","8","1","4","1") = "9"
    & skf18("5","10","7","8","1","5","1") = "9"
    & skf18("5","10","7","8","1","6","1") = "9"
    & skf18("5","10","7","8","1","7","1") = "9"
    & skf18("5","10","7","8","1","8","1") = "9"
    & skf18("5","10","7","8","1","9","1") = "9"
    & skf18("5","10","7","8","1","10","1") = "9"
    & skf18("5","10","7","8","2","1","1") = "9"
    & skf18("5","10","7","8","2","2","1") = "9"
    & skf18("5","10","7","8","2","3","1") = "9"
    & skf18("5","10","7","8","2","4","1") = "9"
    & skf18("5","10","7","8","2","5","1") = "9"
    & skf18("5","10","7","8","2","6","1") = "9"
    & skf18("5","10","7","8","2","7","1") = "9"
    & skf18("5","10","7","8","2","8","1") = "9"
    & skf18("5","10","7","8","2","9","1") = "9"
    & skf18("5","10","7","8","2","10","1") = "9"
    & skf18("5","10","7","8","3","1","1") = "9"
    & skf18("5","10","7","8","3","2","1") = "9"
    & skf18("5","10","7","8","3","3","1") = "9"
    & skf18("5","10","7","8","3","4","1") = "9"
    & skf18("5","10","7","8","3","5","1") = "9"
    & skf18("5","10","7","8","3","6","1") = "9"
    & skf18("5","10","7","8","3","7","1") = "9"
    & skf18("5","10","7","8","3","8","1") = "9"
    & skf18("5","10","7","8","3","9","1") = "9"
    & skf18("5","10","7","8","3","10","1") = "9"
    & skf18("5","10","7","8","4","1","1") = "9"
    & skf18("5","10","7","8","4","2","1") = "9"
    & skf18("5","10","7","8","4","3","1") = "9"
    & skf18("5","10","7","8","4","4","1") = "9"
    & skf18("5","10","7","8","4","5","1") = "9"
    & skf18("5","10","7","8","4","6","1") = "9"
    & skf18("5","10","7","8","4","7","1") = "9"
    & skf18("5","10","7","8","4","8","1") = "9"
    & skf18("5","10","7","8","4","9","1") = "9"
    & skf18("5","10","7","8","4","10","1") = "9"
    & skf18("5","10","7","8","5","1","1") = "9"
    & skf18("5","10","7","8","5","2","1") = "9"
    & skf18("5","10","7","8","5","3","1") = "9"
    & skf18("5","10","7","8","5","4","1") = "9"
    & skf18("5","10","7","8","5","5","1") = "9"
    & skf18("5","10","7","8","5","6","1") = "9"
    & skf18("5","10","7","8","5","7","1") = "9"
    & skf18("5","10","7","8","5","8","1") = "9"
    & skf18("5","10","7","8","5","9","1") = "9"
    & skf18("5","10","7","8","5","10","1") = "9"
    & skf18("5","10","7","8","6","1","1") = "9"
    & skf18("5","10","7","8","6","2","1") = "9"
    & skf18("5","10","7","8","6","3","1") = "9"
    & skf18("5","10","7","8","6","4","1") = "9"
    & skf18("5","10","7","8","6","5","1") = "9"
    & skf18("5","10","7","8","6","6","1") = "9"
    & skf18("5","10","7","8","6","7","1") = "9"
    & skf18("5","10","7","8","6","8","1") = "9"
    & skf18("5","10","7","8","6","9","1") = "9"
    & skf18("5","10","7","8","6","10","1") = "9"
    & skf18("5","10","7","8","7","1","1") = "9"
    & skf18("5","10","7","8","7","2","1") = "9"
    & skf18("5","10","7","8","7","3","1") = "9"
    & skf18("5","10","7","8","7","4","1") = "9"
    & skf18("5","10","7","8","7","5","1") = "9"
    & skf18("5","10","7","8","7","6","1") = "9"
    & skf18("5","10","7","8","7","7","1") = "9"
    & skf18("5","10","7","8","7","8","1") = "9"
    & skf18("5","10","7","8","7","9","1") = "9"
    & skf18("5","10","7","8","7","10","1") = "9"
    & skf18("5","10","7","8","8","1","1") = "9"
    & skf18("5","10","7","8","8","2","1") = "9"
    & skf18("5","10","7","8","8","3","1") = "9"
    & skf18("5","10","7","8","8","4","1") = "9"
    & skf18("5","10","7","8","8","5","1") = "9"
    & skf18("5","10","7","8","8","6","1") = "9"
    & skf18("5","10","7","8","8","7","1") = "9"
    & skf18("5","10","7","8","8","8","1") = "9"
    & skf18("5","10","7","8","8","9","1") = "9"
    & skf18("5","10","7","8","8","10","1") = "9"
    & skf18("5","10","7","8","9","1","1") = "9"
    & skf18("5","10","7","8","9","2","1") = "9"
    & skf18("5","10","7","8","9","3","1") = "9"
    & skf18("5","10","7","8","9","4","1") = "9"
    & skf18("5","10","7","8","9","5","1") = "9"
    & skf18("5","10","7","8","9","6","1") = "9"
    & skf18("5","10","7","8","9","7","1") = "9"
    & skf18("5","10","7","8","9","8","1") = "9"
    & skf18("5","10","7","8","9","9","1") = "9"
    & skf18("5","10","7","8","9","10","1") = "9"
    & skf18("5","10","7","8","10","1","1") = "9"
    & skf18("5","10","7","8","10","2","1") = "9"
    & skf18("5","10","7","8","10","3","1") = "9"
    & skf18("5","10","7","8","10","4","1") = "9"
    & skf18("5","10","7","8","10","5","1") = "9"
    & skf18("5","10","7","8","10","6","1") = "9"
    & skf18("5","10","7","8","10","7","1") = "9"
    & skf18("5","10","7","8","10","8","1") = "9"
    & skf18("5","10","7","8","10","9","1") = "9"
    & skf18("5","10","7","8","10","10","1") = "9"
    & skf18("5","10","7","9","1","1","1") = "9"
    & skf18("5","10","7","9","1","2","1") = "9"
    & skf18("5","10","7","9","1","3","1") = "9"
    & skf18("5","10","7","9","1","4","1") = "9"
    & skf18("5","10","7","9","1","5","1") = "9"
    & skf18("5","10","7","9","1","6","1") = "9"
    & skf18("5","10","7","9","1","7","1") = "9"
    & skf18("5","10","7","9","1","8","1") = "9"
    & skf18("5","10","7","9","1","9","1") = "9"
    & skf18("5","10","7","9","1","10","1") = "9"
    & skf18("5","10","7","9","2","1","1") = "9"
    & skf18("5","10","7","9","2","2","1") = "9"
    & skf18("5","10","7","9","2","3","1") = "9"
    & skf18("5","10","7","9","2","4","1") = "9"
    & skf18("5","10","7","9","2","5","1") = "9"
    & skf18("5","10","7","9","2","6","1") = "9"
    & skf18("5","10","7","9","2","7","1") = "9"
    & skf18("5","10","7","9","2","8","1") = "9"
    & skf18("5","10","7","9","2","9","1") = "9"
    & skf18("5","10","7","9","2","10","1") = "9"
    & skf18("5","10","7","9","3","1","1") = "9"
    & skf18("5","10","7","9","3","2","1") = "9"
    & skf18("5","10","7","9","3","3","1") = "9"
    & skf18("5","10","7","9","3","4","1") = "9"
    & skf18("5","10","7","9","3","5","1") = "9"
    & skf18("5","10","7","9","3","6","1") = "9"
    & skf18("5","10","7","9","3","7","1") = "9"
    & skf18("5","10","7","9","3","8","1") = "9"
    & skf18("5","10","7","9","3","9","1") = "9"
    & skf18("5","10","7","9","3","10","1") = "9"
    & skf18("5","10","7","9","4","1","1") = "9"
    & skf18("5","10","7","9","4","2","1") = "9"
    & skf18("5","10","7","9","4","3","1") = "9"
    & skf18("5","10","7","9","4","4","1") = "9"
    & skf18("5","10","7","9","4","5","1") = "9"
    & skf18("5","10","7","9","4","6","1") = "9"
    & skf18("5","10","7","9","4","7","1") = "9"
    & skf18("5","10","7","9","4","8","1") = "9"
    & skf18("5","10","7","9","4","9","1") = "9"
    & skf18("5","10","7","9","4","10","1") = "9"
    & skf18("5","10","7","9","5","1","1") = "9"
    & skf18("5","10","7","9","5","2","1") = "9"
    & skf18("5","10","7","9","5","3","1") = "9"
    & skf18("5","10","7","9","5","4","1") = "9"
    & skf18("5","10","7","9","5","5","1") = "9"
    & skf18("5","10","7","9","5","6","1") = "9"
    & skf18("5","10","7","9","5","7","1") = "9"
    & skf18("5","10","7","9","5","8","1") = "9"
    & skf18("5","10","7","9","5","9","1") = "9"
    & skf18("5","10","7","9","5","10","1") = "9"
    & skf18("5","10","7","9","6","1","1") = "9"
    & skf18("5","10","7","9","6","2","1") = "9"
    & skf18("5","10","7","9","6","3","1") = "9"
    & skf18("5","10","7","9","6","4","1") = "9"
    & skf18("5","10","7","9","6","5","1") = "9"
    & skf18("5","10","7","9","6","6","1") = "9"
    & skf18("5","10","7","9","6","7","1") = "9"
    & skf18("5","10","7","9","6","8","1") = "9"
    & skf18("5","10","7","9","6","9","1") = "9"
    & skf18("5","10","7","9","6","10","1") = "9"
    & skf18("5","10","7","9","7","1","1") = "9"
    & skf18("5","10","7","9","7","2","1") = "9"
    & skf18("5","10","7","9","7","3","1") = "9"
    & skf18("5","10","7","9","7","4","1") = "9"
    & skf18("5","10","7","9","7","5","1") = "9"
    & skf18("5","10","7","9","7","6","1") = "9"
    & skf18("5","10","7","9","7","7","1") = "9"
    & skf18("5","10","7","9","7","8","1") = "9"
    & skf18("5","10","7","9","7","9","1") = "9"
    & skf18("5","10","7","9","7","10","1") = "9"
    & skf18("5","10","7","9","8","1","1") = "9"
    & skf18("5","10","7","9","8","2","1") = "9"
    & skf18("5","10","7","9","8","3","1") = "9"
    & skf18("5","10","7","9","8","4","1") = "9"
    & skf18("5","10","7","9","8","5","1") = "9"
    & skf18("5","10","7","9","8","6","1") = "9"
    & skf18("5","10","7","9","8","7","1") = "9"
    & skf18("5","10","7","9","8","8","1") = "9"
    & skf18("5","10","7","9","8","9","1") = "9"
    & skf18("5","10","7","9","8","10","1") = "9"
    & skf18("5","10","7","9","9","1","1") = "9"
    & skf18("5","10","7","9","9","2","1") = "9"
    & skf18("5","10","7","9","9","3","1") = "9"
    & skf18("5","10","7","9","9","4","1") = "9"
    & skf18("5","10","7","9","9","5","1") = "9"
    & skf18("5","10","7","9","9","6","1") = "9"
    & skf18("5","10","7","9","9","7","1") = "9"
    & skf18("5","10","7","9","9","8","1") = "9"
    & skf18("5","10","7","9","9","9","1") = "9"
    & skf18("5","10","7","9","9","10","1") = "9"
    & skf18("5","10","7","9","10","1","1") = "9"
    & skf18("5","10","7","9","10","2","1") = "9"
    & skf18("5","10","7","9","10","3","1") = "9"
    & skf18("5","10","7","9","10","4","1") = "9"
    & skf18("5","10","7","9","10","5","1") = "9"
    & skf18("5","10","7","9","10","6","1") = "9"
    & skf18("5","10","7","9","10","7","1") = "9"
    & skf18("5","10","7","9","10","8","1") = "9"
    & skf18("5","10","7","9","10","9","1") = "9"
    & skf18("5","10","7","9","10","10","1") = "9"
    & skf18("5","10","7","10","1","1","1") = "9"
    & skf18("5","10","7","10","1","2","1") = "9"
    & skf18("5","10","7","10","1","3","1") = "9"
    & skf18("5","10","7","10","1","4","1") = "9"
    & skf18("5","10","7","10","1","5","1") = "9"
    & skf18("5","10","7","10","1","6","1") = "9"
    & skf18("5","10","7","10","1","7","1") = "9"
    & skf18("5","10","7","10","1","8","1") = "9"
    & skf18("5","10","7","10","1","9","1") = "9"
    & skf18("5","10","7","10","1","10","1") = "9"
    & skf18("5","10","7","10","2","1","1") = "9"
    & skf18("5","10","7","10","2","2","1") = "9"
    & skf18("5","10","7","10","2","3","1") = "9"
    & skf18("5","10","7","10","2","4","1") = "9"
    & skf18("5","10","7","10","2","5","1") = "9"
    & skf18("5","10","7","10","2","6","1") = "9"
    & skf18("5","10","7","10","2","7","1") = "9"
    & skf18("5","10","7","10","2","8","1") = "9"
    & skf18("5","10","7","10","2","9","1") = "9"
    & skf18("5","10","7","10","2","10","1") = "9"
    & skf18("5","10","7","10","3","1","1") = "9"
    & skf18("5","10","7","10","3","2","1") = "9"
    & skf18("5","10","7","10","3","3","1") = "9"
    & skf18("5","10","7","10","3","4","1") = "9"
    & skf18("5","10","7","10","3","5","1") = "9"
    & skf18("5","10","7","10","3","6","1") = "9"
    & skf18("5","10","7","10","3","7","1") = "9"
    & skf18("5","10","7","10","3","8","1") = "9"
    & skf18("5","10","7","10","3","9","1") = "9"
    & skf18("5","10","7","10","3","10","1") = "9"
    & skf18("5","10","7","10","4","1","1") = "9"
    & skf18("5","10","7","10","4","2","1") = "9"
    & skf18("5","10","7","10","4","3","1") = "9"
    & skf18("5","10","7","10","4","4","1") = "9"
    & skf18("5","10","7","10","4","5","1") = "9"
    & skf18("5","10","7","10","4","6","1") = "9"
    & skf18("5","10","7","10","4","7","1") = "9"
    & skf18("5","10","7","10","4","8","1") = "9"
    & skf18("5","10","7","10","4","9","1") = "9"
    & skf18("5","10","7","10","4","10","1") = "9"
    & skf18("5","10","7","10","5","1","1") = "9"
    & skf18("5","10","7","10","5","2","1") = "9"
    & skf18("5","10","7","10","5","3","1") = "9"
    & skf18("5","10","7","10","5","4","1") = "9"
    & skf18("5","10","7","10","5","5","1") = "9"
    & skf18("5","10","7","10","5","6","1") = "9"
    & skf18("5","10","7","10","5","7","1") = "9"
    & skf18("5","10","7","10","5","8","1") = "9"
    & skf18("5","10","7","10","5","9","1") = "9"
    & skf18("5","10","7","10","5","10","1") = "9"
    & skf18("5","10","7","10","6","1","1") = "9"
    & skf18("5","10","7","10","6","2","1") = "9"
    & skf18("5","10","7","10","6","3","1") = "9"
    & skf18("5","10","7","10","6","4","1") = "9"
    & skf18("5","10","7","10","6","5","1") = "9"
    & skf18("5","10","7","10","6","6","1") = "9"
    & skf18("5","10","7","10","6","7","1") = "9"
    & skf18("5","10","7","10","6","8","1") = "9"
    & skf18("5","10","7","10","6","9","1") = "9"
    & skf18("5","10","7","10","6","10","1") = "9"
    & skf18("5","10","7","10","7","1","1") = "9"
    & skf18("5","10","7","10","7","2","1") = "9"
    & skf18("5","10","7","10","7","3","1") = "9"
    & skf18("5","10","7","10","7","4","1") = "9"
    & skf18("5","10","7","10","7","5","1") = "9"
    & skf18("5","10","7","10","7","6","1") = "9"
    & skf18("5","10","7","10","7","7","1") = "9"
    & skf18("5","10","7","10","7","8","1") = "9"
    & skf18("5","10","7","10","7","9","1") = "9"
    & skf18("5","10","7","10","7","10","1") = "9"
    & skf18("5","10","7","10","8","1","1") = "9"
    & skf18("5","10","7","10","8","2","1") = "9"
    & skf18("5","10","7","10","8","3","1") = "9"
    & skf18("5","10","7","10","8","4","1") = "9"
    & skf18("5","10","7","10","8","5","1") = "9"
    & skf18("5","10","7","10","8","6","1") = "9"
    & skf18("5","10","7","10","8","7","1") = "9"
    & skf18("5","10","7","10","8","8","1") = "9"
    & skf18("5","10","7","10","8","9","1") = "9"
    & skf18("5","10","7","10","8","10","1") = "9"
    & skf18("5","10","7","10","9","1","1") = "9"
    & skf18("5","10","7","10","9","2","1") = "9"
    & skf18("5","10","7","10","9","3","1") = "9"
    & skf18("5","10","7","10","9","4","1") = "9"
    & skf18("5","10","7","10","9","5","1") = "9"
    & skf18("5","10","7","10","9","6","1") = "9"
    & skf18("5","10","7","10","9","7","1") = "9"
    & skf18("5","10","7","10","9","8","1") = "9"
    & skf18("5","10","7","10","9","9","1") = "9"
    & skf18("5","10","7","10","9","10","1") = "9"
    & skf18("5","10","7","10","10","1","1") = "9"
    & skf18("5","10","7","10","10","2","1") = "9"
    & skf18("5","10","7","10","10","3","1") = "9"
    & skf18("5","10","7","10","10","4","1") = "9"
    & skf18("5","10","7","10","10","5","1") = "9"
    & skf18("5","10","7","10","10","6","1") = "9"
    & skf18("5","10","7","10","10","7","1") = "9"
    & skf18("5","10","7","10","10","8","1") = "9"
    & skf18("5","10","7","10","10","9","1") = "9"
    & skf18("5","10","7","10","10","10","1") = "9"
    & skf18("5","10","8","1","1","1","1") = "9"
    & skf18("5","10","8","1","1","2","1") = "9"
    & skf18("5","10","8","1","1","3","1") = "9"
    & skf18("5","10","8","1","1","4","1") = "9"
    & skf18("5","10","8","1","1","5","1") = "9"
    & skf18("5","10","8","1","1","6","1") = "9"
    & skf18("5","10","8","1","1","7","1") = "9"
    & skf18("5","10","8","1","1","8","1") = "9"
    & skf18("5","10","8","1","1","9","1") = "9"
    & skf18("5","10","8","1","1","10","1") = "9"
    & skf18("5","10","8","1","2","1","1") = "9"
    & skf18("5","10","8","1","2","2","1") = "9"
    & skf18("5","10","8","1","2","3","1") = "9"
    & skf18("5","10","8","1","2","4","1") = "9"
    & skf18("5","10","8","1","2","5","1") = "9"
    & skf18("5","10","8","1","2","6","1") = "9"
    & skf18("5","10","8","1","2","7","1") = "9"
    & skf18("5","10","8","1","2","8","1") = "9"
    & skf18("5","10","8","1","2","9","1") = "9"
    & skf18("5","10","8","1","2","10","1") = "9"
    & skf18("5","10","8","1","3","1","1") = "9"
    & skf18("5","10","8","1","3","2","1") = "9"
    & skf18("5","10","8","1","3","3","1") = "9"
    & skf18("5","10","8","1","3","4","1") = "9"
    & skf18("5","10","8","1","3","5","1") = "9"
    & skf18("5","10","8","1","3","6","1") = "9"
    & skf18("5","10","8","1","3","7","1") = "9"
    & skf18("5","10","8","1","3","8","1") = "9"
    & skf18("5","10","8","1","3","9","1") = "9"
    & skf18("5","10","8","1","3","10","1") = "9"
    & skf18("5","10","8","1","4","1","1") = "9"
    & skf18("5","10","8","1","4","2","1") = "9"
    & skf18("5","10","8","1","4","3","1") = "9"
    & skf18("5","10","8","1","4","4","1") = "9"
    & skf18("5","10","8","1","4","5","1") = "9"
    & skf18("5","10","8","1","4","6","1") = "9"
    & skf18("5","10","8","1","4","7","1") = "9"
    & skf18("5","10","8","1","4","8","1") = "9"
    & skf18("5","10","8","1","4","9","1") = "9"
    & skf18("5","10","8","1","4","10","1") = "9"
    & skf18("5","10","8","1","5","1","1") = "9"
    & skf18("5","10","8","1","5","2","1") = "9"
    & skf18("5","10","8","1","5","3","1") = "9"
    & skf18("5","10","8","1","5","4","1") = "9"
    & skf18("5","10","8","1","5","5","1") = "9"
    & skf18("5","10","8","1","5","6","1") = "9"
    & skf18("5","10","8","1","5","7","1") = "9"
    & skf18("5","10","8","1","5","8","1") = "9"
    & skf18("5","10","8","1","5","9","1") = "9"
    & skf18("5","10","8","1","5","10","1") = "9"
    & skf18("5","10","8","1","6","1","1") = "9"
    & skf18("5","10","8","1","6","2","1") = "9"
    & skf18("5","10","8","1","6","3","1") = "9"
    & skf18("5","10","8","1","6","4","1") = "9"
    & skf18("5","10","8","1","6","5","1") = "9"
    & skf18("5","10","8","1","6","6","1") = "9"
    & skf18("5","10","8","1","6","7","1") = "9"
    & skf18("5","10","8","1","6","8","1") = "9"
    & skf18("5","10","8","1","6","9","1") = "9"
    & skf18("5","10","8","1","6","10","1") = "9"
    & skf18("5","10","8","1","7","1","1") = "9"
    & skf18("5","10","8","1","7","2","1") = "9"
    & skf18("5","10","8","1","7","3","1") = "9"
    & skf18("5","10","8","1","7","4","1") = "9"
    & skf18("5","10","8","1","7","5","1") = "9"
    & skf18("5","10","8","1","7","6","1") = "9"
    & skf18("5","10","8","1","7","7","1") = "9"
    & skf18("5","10","8","1","7","8","1") = "9"
    & skf18("5","10","8","1","7","9","1") = "9"
    & skf18("5","10","8","1","7","10","1") = "9"
    & skf18("5","10","8","1","8","1","1") = "9"
    & skf18("5","10","8","1","8","2","1") = "9"
    & skf18("5","10","8","1","8","3","1") = "9"
    & skf18("5","10","8","1","8","4","1") = "9"
    & skf18("5","10","8","1","8","5","1") = "9"
    & skf18("5","10","8","1","8","6","1") = "9"
    & skf18("5","10","8","1","8","7","1") = "9"
    & skf18("5","10","8","1","8","8","1") = "9"
    & skf18("5","10","8","1","8","9","1") = "9"
    & skf18("5","10","8","1","8","10","1") = "9"
    & skf18("5","10","8","1","9","1","1") = "9"
    & skf18("5","10","8","1","9","2","1") = "9"
    & skf18("5","10","8","1","9","3","1") = "9"
    & skf18("5","10","8","1","9","4","1") = "9"
    & skf18("5","10","8","1","9","5","1") = "9"
    & skf18("5","10","8","1","9","6","1") = "9"
    & skf18("5","10","8","1","9","7","1") = "9"
    & skf18("5","10","8","1","9","8","1") = "9"
    & skf18("5","10","8","1","9","9","1") = "9"
    & skf18("5","10","8","1","9","10","1") = "9"
    & skf18("5","10","8","1","10","1","1") = "9"
    & skf18("5","10","8","1","10","2","1") = "9"
    & skf18("5","10","8","1","10","3","1") = "9"
    & skf18("5","10","8","1","10","4","1") = "9"
    & skf18("5","10","8","1","10","5","1") = "9"
    & skf18("5","10","8","1","10","6","1") = "9"
    & skf18("5","10","8","1","10","7","1") = "9"
    & skf18("5","10","8","1","10","8","1") = "9"
    & skf18("5","10","8","1","10","9","1") = "9"
    & skf18("5","10","8","1","10","10","1") = "9"
    & skf18("5","10","8","2","1","1","1") = "9"
    & skf18("5","10","8","2","1","2","1") = "9"
    & skf18("5","10","8","2","1","3","1") = "9"
    & skf18("5","10","8","2","1","4","1") = "9"
    & skf18("5","10","8","2","1","5","1") = "9"
    & skf18("5","10","8","2","1","6","1") = "9"
    & skf18("5","10","8","2","1","7","1") = "9"
    & skf18("5","10","8","2","1","8","1") = "9"
    & skf18("5","10","8","2","1","9","1") = "9"
    & skf18("5","10","8","2","1","10","1") = "9"
    & skf18("5","10","8","2","2","1","1") = "9"
    & skf18("5","10","8","2","2","2","1") = "9"
    & skf18("5","10","8","2","2","3","1") = "9"
    & skf18("5","10","8","2","2","4","1") = "9"
    & skf18("5","10","8","2","2","5","1") = "9"
    & skf18("5","10","8","2","2","6","1") = "9"
    & skf18("5","10","8","2","2","7","1") = "9"
    & skf18("5","10","8","2","2","8","1") = "9"
    & skf18("5","10","8","2","2","9","1") = "9"
    & skf18("5","10","8","2","2","10","1") = "9"
    & skf18("5","10","8","2","3","1","1") = "9"
    & skf18("5","10","8","2","3","2","1") = "9"
    & skf18("5","10","8","2","3","3","1") = "9"
    & skf18("5","10","8","2","3","4","1") = "9"
    & skf18("5","10","8","2","3","5","1") = "9"
    & skf18("5","10","8","2","3","6","1") = "9"
    & skf18("5","10","8","2","3","7","1") = "9"
    & skf18("5","10","8","2","3","8","1") = "9"
    & skf18("5","10","8","2","3","9","1") = "9"
    & skf18("5","10","8","2","3","10","1") = "9"
    & skf18("5","10","8","2","4","1","1") = "9"
    & skf18("5","10","8","2","4","2","1") = "9"
    & skf18("5","10","8","2","4","3","1") = "9"
    & skf18("5","10","8","2","4","4","1") = "9"
    & skf18("5","10","8","2","4","5","1") = "9"
    & skf18("5","10","8","2","4","6","1") = "9"
    & skf18("5","10","8","2","4","7","1") = "9"
    & skf18("5","10","8","2","4","8","1") = "9"
    & skf18("5","10","8","2","4","9","1") = "9"
    & skf18("5","10","8","2","4","10","1") = "9"
    & skf18("5","10","8","2","5","1","1") = "9"
    & skf18("5","10","8","2","5","2","1") = "9"
    & skf18("5","10","8","2","5","3","1") = "9"
    & skf18("5","10","8","2","5","4","1") = "9"
    & skf18("5","10","8","2","5","5","1") = "9"
    & skf18("5","10","8","2","5","6","1") = "9"
    & skf18("5","10","8","2","5","7","1") = "9"
    & skf18("5","10","8","2","5","8","1") = "9"
    & skf18("5","10","8","2","5","9","1") = "9"
    & skf18("5","10","8","2","5","10","1") = "9"
    & skf18("5","10","8","2","6","1","1") = "9"
    & skf18("5","10","8","2","6","2","1") = "9"
    & skf18("5","10","8","2","6","3","1") = "9"
    & skf18("5","10","8","2","6","4","1") = "9"
    & skf18("5","10","8","2","6","5","1") = "9"
    & skf18("5","10","8","2","6","6","1") = "9"
    & skf18("5","10","8","2","6","7","1") = "9"
    & skf18("5","10","8","2","6","8","1") = "9"
    & skf18("5","10","8","2","6","9","1") = "9"
    & skf18("5","10","8","2","6","10","1") = "9"
    & skf18("5","10","8","2","7","1","1") = "9"
    & skf18("5","10","8","2","7","2","1") = "9"
    & skf18("5","10","8","2","7","3","1") = "9"
    & skf18("5","10","8","2","7","4","1") = "9"
    & skf18("5","10","8","2","7","5","1") = "9"
    & skf18("5","10","8","2","7","6","1") = "9"
    & skf18("5","10","8","2","7","7","1") = "9"
    & skf18("5","10","8","2","7","8","1") = "9"
    & skf18("5","10","8","2","7","9","1") = "9"
    & skf18("5","10","8","2","7","10","1") = "9"
    & skf18("5","10","8","2","8","1","1") = "9"
    & skf18("5","10","8","2","8","2","1") = "9"
    & skf18("5","10","8","2","8","3","1") = "9"
    & skf18("5","10","8","2","8","4","1") = "9"
    & skf18("5","10","8","2","8","5","1") = "9"
    & skf18("5","10","8","2","8","6","1") = "9"
    & skf18("5","10","8","2","8","7","1") = "9"
    & skf18("5","10","8","2","8","8","1") = "9"
    & skf18("5","10","8","2","8","9","1") = "9"
    & skf18("5","10","8","2","8","10","1") = "9"
    & skf18("5","10","8","2","9","1","1") = "9"
    & skf18("5","10","8","2","9","2","1") = "9"
    & skf18("5","10","8","2","9","3","1") = "9"
    & skf18("5","10","8","2","9","4","1") = "9"
    & skf18("5","10","8","2","9","5","1") = "9"
    & skf18("5","10","8","2","9","6","1") = "9"
    & skf18("5","10","8","2","9","7","1") = "9"
    & skf18("5","10","8","2","9","8","1") = "9"
    & skf18("5","10","8","2","9","9","1") = "9"
    & skf18("5","10","8","2","9","10","1") = "9"
    & skf18("5","10","8","2","10","1","1") = "9"
    & skf18("5","10","8","2","10","2","1") = "9"
    & skf18("5","10","8","2","10","3","1") = "9"
    & skf18("5","10","8","2","10","4","1") = "9"
    & skf18("5","10","8","2","10","5","1") = "9"
    & skf18("5","10","8","2","10","6","1") = "9"
    & skf18("5","10","8","2","10","7","1") = "9"
    & skf18("5","10","8","2","10","8","1") = "9"
    & skf18("5","10","8","2","10","9","1") = "9"
    & skf18("5","10","8","2","10","10","1") = "9"
    & skf18("5","10","8","3","1","1","1") = "9"
    & skf18("5","10","8","3","1","2","1") = "9"
    & skf18("5","10","8","3","1","3","1") = "9"
    & skf18("5","10","8","3","1","4","1") = "9"
    & skf18("5","10","8","3","1","5","1") = "9"
    & skf18("5","10","8","3","1","6","1") = "9"
    & skf18("5","10","8","3","1","7","1") = "9"
    & skf18("5","10","8","3","1","8","1") = "9"
    & skf18("5","10","8","3","1","9","1") = "9"
    & skf18("5","10","8","3","1","10","1") = "9"
    & skf18("5","10","8","3","2","1","1") = "9"
    & skf18("5","10","8","3","2","2","1") = "9"
    & skf18("5","10","8","3","2","3","1") = "9"
    & skf18("5","10","8","3","2","4","1") = "9"
    & skf18("5","10","8","3","2","5","1") = "9"
    & skf18("5","10","8","3","2","6","1") = "9"
    & skf18("5","10","8","3","2","7","1") = "9"
    & skf18("5","10","8","3","2","8","1") = "9"
    & skf18("5","10","8","3","2","9","1") = "9"
    & skf18("5","10","8","3","2","10","1") = "9"
    & skf18("5","10","8","3","3","1","1") = "9"
    & skf18("5","10","8","3","3","2","1") = "9"
    & skf18("5","10","8","3","3","3","1") = "9"
    & skf18("5","10","8","3","3","4","1") = "9"
    & skf18("5","10","8","3","3","5","1") = "9"
    & skf18("5","10","8","3","3","6","1") = "9"
    & skf18("5","10","8","3","3","7","1") = "9"
    & skf18("5","10","8","3","3","8","1") = "9"
    & skf18("5","10","8","3","3","9","1") = "9"
    & skf18("5","10","8","3","3","10","1") = "9"
    & skf18("5","10","8","3","4","1","1") = "9"
    & skf18("5","10","8","3","4","2","1") = "9"
    & skf18("5","10","8","3","4","3","1") = "9"
    & skf18("5","10","8","3","4","4","1") = "9"
    & skf18("5","10","8","3","4","5","1") = "9"
    & skf18("5","10","8","3","4","6","1") = "9"
    & skf18("5","10","8","3","4","7","1") = "9"
    & skf18("5","10","8","3","4","8","1") = "9"
    & skf18("5","10","8","3","4","9","1") = "9"
    & skf18("5","10","8","3","4","10","1") = "9"
    & skf18("5","10","8","3","5","1","1") = "9"
    & skf18("5","10","8","3","5","2","1") = "9"
    & skf18("5","10","8","3","5","3","1") = "9"
    & skf18("5","10","8","3","5","4","1") = "9"
    & skf18("5","10","8","3","5","5","1") = "9"
    & skf18("5","10","8","3","5","6","1") = "9"
    & skf18("5","10","8","3","5","7","1") = "9"
    & skf18("5","10","8","3","5","8","1") = "9"
    & skf18("5","10","8","3","5","9","1") = "9"
    & skf18("5","10","8","3","5","10","1") = "9"
    & skf18("5","10","8","3","6","1","1") = "9"
    & skf18("5","10","8","3","6","2","1") = "9"
    & skf18("5","10","8","3","6","3","1") = "9"
    & skf18("5","10","8","3","6","4","1") = "9"
    & skf18("5","10","8","3","6","5","1") = "9"
    & skf18("5","10","8","3","6","6","1") = "9"
    & skf18("5","10","8","3","6","7","1") = "9"
    & skf18("5","10","8","3","6","8","1") = "9"
    & skf18("5","10","8","3","6","9","1") = "9"
    & skf18("5","10","8","3","6","10","1") = "9"
    & skf18("5","10","8","3","7","1","1") = "9"
    & skf18("5","10","8","3","7","2","1") = "9"
    & skf18("5","10","8","3","7","3","1") = "9"
    & skf18("5","10","8","3","7","4","1") = "9"
    & skf18("5","10","8","3","7","5","1") = "9"
    & skf18("5","10","8","3","7","6","1") = "9"
    & skf18("5","10","8","3","7","7","1") = "9"
    & skf18("5","10","8","3","7","8","1") = "9"
    & skf18("5","10","8","3","7","9","1") = "9"
    & skf18("5","10","8","3","7","10","1") = "9"
    & skf18("5","10","8","3","8","1","1") = "9"
    & skf18("5","10","8","3","8","2","1") = "9"
    & skf18("5","10","8","3","8","3","1") = "9"
    & skf18("5","10","8","3","8","4","1") = "9"
    & skf18("5","10","8","3","8","5","1") = "9"
    & skf18("5","10","8","3","8","6","1") = "9"
    & skf18("5","10","8","3","8","7","1") = "9"
    & skf18("5","10","8","3","8","8","1") = "9"
    & skf18("5","10","8","3","8","9","1") = "9"
    & skf18("5","10","8","3","8","10","1") = "9"
    & skf18("5","10","8","3","9","1","1") = "9"
    & skf18("5","10","8","3","9","2","1") = "9"
    & skf18("5","10","8","3","9","3","1") = "9"
    & skf18("5","10","8","3","9","4","1") = "9"
    & skf18("5","10","8","3","9","5","1") = "9"
    & skf18("5","10","8","3","9","6","1") = "9"
    & skf18("5","10","8","3","9","7","1") = "9"
    & skf18("5","10","8","3","9","8","1") = "9"
    & skf18("5","10","8","3","9","9","1") = "9"
    & skf18("5","10","8","3","9","10","1") = "9"
    & skf18("5","10","8","3","10","1","1") = "9"
    & skf18("5","10","8","3","10","2","1") = "9"
    & skf18("5","10","8","3","10","3","1") = "9"
    & skf18("5","10","8","3","10","4","1") = "9"
    & skf18("5","10","8","3","10","5","1") = "9"
    & skf18("5","10","8","3","10","6","1") = "9"
    & skf18("5","10","8","3","10","7","1") = "9"
    & skf18("5","10","8","3","10","8","1") = "9"
    & skf18("5","10","8","3","10","9","1") = "9"
    & skf18("5","10","8","3","10","10","1") = "9"
    & skf18("5","10","8","4","1","1","1") = "9"
    & skf18("5","10","8","4","1","2","1") = "9"
    & skf18("5","10","8","4","1","3","1") = "9"
    & skf18("5","10","8","4","1","4","1") = "9"
    & skf18("5","10","8","4","1","5","1") = "9"
    & skf18("5","10","8","4","1","6","1") = "9"
    & skf18("5","10","8","4","1","7","1") = "9"
    & skf18("5","10","8","4","1","8","1") = "9"
    & skf18("5","10","8","4","1","9","1") = "9"
    & skf18("5","10","8","4","1","10","1") = "9"
    & skf18("5","10","8","4","2","1","1") = "9"
    & skf18("5","10","8","4","2","2","1") = "9"
    & skf18("5","10","8","4","2","3","1") = "9"
    & skf18("5","10","8","4","2","4","1") = "9"
    & skf18("5","10","8","4","2","5","1") = "9"
    & skf18("5","10","8","4","2","6","1") = "9"
    & skf18("5","10","8","4","2","7","1") = "9"
    & skf18("5","10","8","4","2","8","1") = "9"
    & skf18("5","10","8","4","2","9","1") = "9"
    & skf18("5","10","8","4","2","10","1") = "9"
    & skf18("5","10","8","4","3","1","1") = "9"
    & skf18("5","10","8","4","3","2","1") = "9"
    & skf18("5","10","8","4","3","3","1") = "9"
    & skf18("5","10","8","4","3","4","1") = "9"
    & skf18("5","10","8","4","3","5","1") = "9"
    & skf18("5","10","8","4","3","6","1") = "9"
    & skf18("5","10","8","4","3","7","1") = "9"
    & skf18("5","10","8","4","3","8","1") = "9"
    & skf18("5","10","8","4","3","9","1") = "9"
    & skf18("5","10","8","4","3","10","1") = "9"
    & skf18("5","10","8","4","4","1","1") = "9"
    & skf18("5","10","8","4","4","2","1") = "9"
    & skf18("5","10","8","4","4","3","1") = "9"
    & skf18("5","10","8","4","4","4","1") = "9"
    & skf18("5","10","8","4","4","5","1") = "9"
    & skf18("5","10","8","4","4","6","1") = "9"
    & skf18("5","10","8","4","4","7","1") = "9"
    & skf18("5","10","8","4","4","8","1") = "9"
    & skf18("5","10","8","4","4","9","1") = "9"
    & skf18("5","10","8","4","4","10","1") = "9"
    & skf18("5","10","8","4","5","1","1") = "9"
    & skf18("5","10","8","4","5","2","1") = "9"
    & skf18("5","10","8","4","5","3","1") = "9"
    & skf18("5","10","8","4","5","4","1") = "9"
    & skf18("5","10","8","4","5","5","1") = "9"
    & skf18("5","10","8","4","5","6","1") = "9"
    & skf18("5","10","8","4","5","7","1") = "9"
    & skf18("5","10","8","4","5","8","1") = "9"
    & skf18("5","10","8","4","5","9","1") = "9"
    & skf18("5","10","8","4","5","10","1") = "9"
    & skf18("5","10","8","4","6","1","1") = "9"
    & skf18("5","10","8","4","6","2","1") = "9"
    & skf18("5","10","8","4","6","3","1") = "9"
    & skf18("5","10","8","4","6","4","1") = "9"
    & skf18("5","10","8","4","6","5","1") = "9"
    & skf18("5","10","8","4","6","6","1") = "9"
    & skf18("5","10","8","4","6","7","1") = "9"
    & skf18("5","10","8","4","6","8","1") = "9"
    & skf18("5","10","8","4","6","9","1") = "9"
    & skf18("5","10","8","4","6","10","1") = "9"
    & skf18("5","10","8","4","7","1","1") = "9"
    & skf18("5","10","8","4","7","2","1") = "9"
    & skf18("5","10","8","4","7","3","1") = "9"
    & skf18("5","10","8","4","7","4","1") = "9"
    & skf18("5","10","8","4","7","5","1") = "9"
    & skf18("5","10","8","4","7","6","1") = "9"
    & skf18("5","10","8","4","7","7","1") = "9"
    & skf18("5","10","8","4","7","8","1") = "9"
    & skf18("5","10","8","4","7","9","1") = "9"
    & skf18("5","10","8","4","7","10","1") = "9"
    & skf18("5","10","8","4","8","1","1") = "9"
    & skf18("5","10","8","4","8","2","1") = "9"
    & skf18("5","10","8","4","8","3","1") = "9"
    & skf18("5","10","8","4","8","4","1") = "9"
    & skf18("5","10","8","4","8","5","1") = "9"
    & skf18("5","10","8","4","8","6","1") = "9"
    & skf18("5","10","8","4","8","7","1") = "9"
    & skf18("5","10","8","4","8","8","1") = "9"
    & skf18("5","10","8","4","8","9","1") = "9"
    & skf18("5","10","8","4","8","10","1") = "9"
    & skf18("5","10","8","4","9","1","1") = "9"
    & skf18("5","10","8","4","9","2","1") = "9"
    & skf18("5","10","8","4","9","3","1") = "9"
    & skf18("5","10","8","4","9","4","1") = "9"
    & skf18("5","10","8","4","9","5","1") = "9"
    & skf18("5","10","8","4","9","6","1") = "9"
    & skf18("5","10","8","4","9","7","1") = "9"
    & skf18("5","10","8","4","9","8","1") = "9"
    & skf18("5","10","8","4","9","9","1") = "9"
    & skf18("5","10","8","4","9","10","1") = "9"
    & skf18("5","10","8","4","10","1","1") = "9"
    & skf18("5","10","8","4","10","2","1") = "9"
    & skf18("5","10","8","4","10","3","1") = "9"
    & skf18("5","10","8","4","10","4","1") = "9"
    & skf18("5","10","8","4","10","5","1") = "9"
    & skf18("5","10","8","4","10","6","1") = "9"
    & skf18("5","10","8","4","10","7","1") = "9"
    & skf18("5","10","8","4","10","8","1") = "9"
    & skf18("5","10","8","4","10","9","1") = "9"
    & skf18("5","10","8","4","10","10","1") = "9"
    & skf18("5","10","8","5","1","1","1") = "9"
    & skf18("5","10","8","5","1","2","1") = "9"
    & skf18("5","10","8","5","1","3","1") = "9"
    & skf18("5","10","8","5","1","4","1") = "9"
    & skf18("5","10","8","5","1","5","1") = "9"
    & skf18("5","10","8","5","1","6","1") = "9"
    & skf18("5","10","8","5","1","7","1") = "9"
    & skf18("5","10","8","5","1","8","1") = "9"
    & skf18("5","10","8","5","1","9","1") = "9"
    & skf18("5","10","8","5","1","10","1") = "9"
    & skf18("5","10","8","5","2","1","1") = "9"
    & skf18("5","10","8","5","2","2","1") = "9"
    & skf18("5","10","8","5","2","3","1") = "9"
    & skf18("5","10","8","5","2","4","1") = "9"
    & skf18("5","10","8","5","2","5","1") = "9"
    & skf18("5","10","8","5","2","6","1") = "9"
    & skf18("5","10","8","5","2","7","1") = "9"
    & skf18("5","10","8","5","2","8","1") = "9"
    & skf18("5","10","8","5","2","9","1") = "9"
    & skf18("5","10","8","5","2","10","1") = "9"
    & skf18("5","10","8","5","3","1","1") = "9"
    & skf18("5","10","8","5","3","2","1") = "9"
    & skf18("5","10","8","5","3","3","1") = "9"
    & skf18("5","10","8","5","3","4","1") = "9"
    & skf18("5","10","8","5","3","5","1") = "9"
    & skf18("5","10","8","5","3","6","1") = "9"
    & skf18("5","10","8","5","3","7","1") = "9"
    & skf18("5","10","8","5","3","8","1") = "9"
    & skf18("5","10","8","5","3","9","1") = "9"
    & skf18("5","10","8","5","3","10","1") = "9"
    & skf18("5","10","8","5","4","1","1") = "9"
    & skf18("5","10","8","5","4","2","1") = "9"
    & skf18("5","10","8","5","4","3","1") = "9"
    & skf18("5","10","8","5","4","4","1") = "9"
    & skf18("5","10","8","5","4","5","1") = "9"
    & skf18("5","10","8","5","4","6","1") = "9"
    & skf18("5","10","8","5","4","7","1") = "9"
    & skf18("5","10","8","5","4","8","1") = "9"
    & skf18("5","10","8","5","4","9","1") = "9"
    & skf18("5","10","8","5","4","10","1") = "9"
    & skf18("5","10","8","5","5","1","1") = "9"
    & skf18("5","10","8","5","5","2","1") = "9"
    & skf18("5","10","8","5","5","3","1") = "9"
    & skf18("5","10","8","5","5","4","1") = "9"
    & skf18("5","10","8","5","5","5","1") = "9"
    & skf18("5","10","8","5","5","6","1") = "9"
    & skf18("5","10","8","5","5","7","1") = "9"
    & skf18("5","10","8","5","5","8","1") = "9"
    & skf18("5","10","8","5","5","9","1") = "9"
    & skf18("5","10","8","5","5","10","1") = "9"
    & skf18("5","10","8","5","6","1","1") = "9"
    & skf18("5","10","8","5","6","2","1") = "9"
    & skf18("5","10","8","5","6","3","1") = "9"
    & skf18("5","10","8","5","6","4","1") = "9"
    & skf18("5","10","8","5","6","5","1") = "9"
    & skf18("5","10","8","5","6","6","1") = "9"
    & skf18("5","10","8","5","6","7","1") = "9"
    & skf18("5","10","8","5","6","8","1") = "9"
    & skf18("5","10","8","5","6","9","1") = "9"
    & skf18("5","10","8","5","6","10","1") = "9"
    & skf18("5","10","8","5","7","1","1") = "9"
    & skf18("5","10","8","5","7","2","1") = "9"
    & skf18("5","10","8","5","7","3","1") = "9"
    & skf18("5","10","8","5","7","4","1") = "9"
    & skf18("5","10","8","5","7","5","1") = "9"
    & skf18("5","10","8","5","7","6","1") = "9"
    & skf18("5","10","8","5","7","7","1") = "9"
    & skf18("5","10","8","5","7","8","1") = "9"
    & skf18("5","10","8","5","7","9","1") = "9"
    & skf18("5","10","8","5","7","10","1") = "9"
    & skf18("5","10","8","5","8","1","1") = "9"
    & skf18("5","10","8","5","8","2","1") = "9"
    & skf18("5","10","8","5","8","3","1") = "9"
    & skf18("5","10","8","5","8","4","1") = "9"
    & skf18("5","10","8","5","8","5","1") = "9"
    & skf18("5","10","8","5","8","6","1") = "9"
    & skf18("5","10","8","5","8","7","1") = "9"
    & skf18("5","10","8","5","8","8","1") = "9"
    & skf18("5","10","8","5","8","9","1") = "9"
    & skf18("5","10","8","5","8","10","1") = "9"
    & skf18("5","10","8","5","9","1","1") = "9"
    & skf18("5","10","8","5","9","2","1") = "9"
    & skf18("5","10","8","5","9","3","1") = "9"
    & skf18("5","10","8","5","9","4","1") = "9"
    & skf18("5","10","8","5","9","5","1") = "9"
    & skf18("5","10","8","5","9","6","1") = "9"
    & skf18("5","10","8","5","9","7","1") = "9"
    & skf18("5","10","8","5","9","8","1") = "9"
    & skf18("5","10","8","5","9","9","1") = "9"
    & skf18("5","10","8","5","9","10","1") = "9"
    & skf18("5","10","8","5","10","1","1") = "9"
    & skf18("5","10","8","5","10","2","1") = "9"
    & skf18("5","10","8","5","10","3","1") = "9"
    & skf18("5","10","8","5","10","4","1") = "9"
    & skf18("5","10","8","5","10","5","1") = "9"
    & skf18("5","10","8","5","10","6","1") = "9"
    & skf18("5","10","8","5","10","7","1") = "9"
    & skf18("5","10","8","5","10","8","1") = "9"
    & skf18("5","10","8","5","10","9","1") = "9"
    & skf18("5","10","8","5","10","10","1") = "9"
    & skf18("5","10","8","6","1","1","1") = "9"
    & skf18("5","10","8","6","1","2","1") = "9"
    & skf18("5","10","8","6","1","3","1") = "9"
    & skf18("5","10","8","6","1","4","1") = "9"
    & skf18("5","10","8","6","1","5","1") = "9"
    & skf18("5","10","8","6","1","6","1") = "9"
    & skf18("5","10","8","6","1","7","1") = "9"
    & skf18("5","10","8","6","1","8","1") = "9"
    & skf18("5","10","8","6","1","9","1") = "9"
    & skf18("5","10","8","6","1","10","1") = "9"
    & skf18("5","10","8","6","2","1","1") = "9"
    & skf18("5","10","8","6","2","2","1") = "9"
    & skf18("5","10","8","6","2","3","1") = "9"
    & skf18("5","10","8","6","2","4","1") = "9"
    & skf18("5","10","8","6","2","5","1") = "9"
    & skf18("5","10","8","6","2","6","1") = "9"
    & skf18("5","10","8","6","2","7","1") = "9"
    & skf18("5","10","8","6","2","8","1") = "9"
    & skf18("5","10","8","6","2","9","1") = "9"
    & skf18("5","10","8","6","2","10","1") = "9"
    & skf18("5","10","8","6","3","1","1") = "9"
    & skf18("5","10","8","6","3","2","1") = "9"
    & skf18("5","10","8","6","3","3","1") = "9"
    & skf18("5","10","8","6","3","4","1") = "9"
    & skf18("5","10","8","6","3","5","1") = "9"
    & skf18("5","10","8","6","3","6","1") = "9"
    & skf18("5","10","8","6","3","7","1") = "9"
    & skf18("5","10","8","6","3","8","1") = "9"
    & skf18("5","10","8","6","3","9","1") = "9"
    & skf18("5","10","8","6","3","10","1") = "9"
    & skf18("5","10","8","6","4","1","1") = "9"
    & skf18("5","10","8","6","4","2","1") = "9"
    & skf18("5","10","8","6","4","3","1") = "9"
    & skf18("5","10","8","6","4","4","1") = "9"
    & skf18("5","10","8","6","4","5","1") = "9"
    & skf18("5","10","8","6","4","6","1") = "9"
    & skf18("5","10","8","6","4","7","1") = "9"
    & skf18("5","10","8","6","4","8","1") = "9"
    & skf18("5","10","8","6","4","9","1") = "9"
    & skf18("5","10","8","6","4","10","1") = "9"
    & skf18("5","10","8","6","5","1","1") = "9"
    & skf18("5","10","8","6","5","2","1") = "9"
    & skf18("5","10","8","6","5","3","1") = "9"
    & skf18("5","10","8","6","5","4","1") = "9"
    & skf18("5","10","8","6","5","5","1") = "9"
    & skf18("5","10","8","6","5","6","1") = "9"
    & skf18("5","10","8","6","5","7","1") = "9"
    & skf18("5","10","8","6","5","8","1") = "9"
    & skf18("5","10","8","6","5","9","1") = "9"
    & skf18("5","10","8","6","5","10","1") = "9"
    & skf18("5","10","8","6","6","1","1") = "9"
    & skf18("5","10","8","6","6","2","1") = "9"
    & skf18("5","10","8","6","6","3","1") = "9"
    & skf18("5","10","8","6","6","4","1") = "9"
    & skf18("5","10","8","6","6","5","1") = "9"
    & skf18("5","10","8","6","6","6","1") = "9"
    & skf18("5","10","8","6","6","7","1") = "9"
    & skf18("5","10","8","6","6","8","1") = "9"
    & skf18("5","10","8","6","6","9","1") = "9"
    & skf18("5","10","8","6","6","10","1") = "9"
    & skf18("5","10","8","6","7","1","1") = "9"
    & skf18("5","10","8","6","7","2","1") = "9"
    & skf18("5","10","8","6","7","3","1") = "9"
    & skf18("5","10","8","6","7","4","1") = "9"
    & skf18("5","10","8","6","7","5","1") = "9"
    & skf18("5","10","8","6","7","6","1") = "9"
    & skf18("5","10","8","6","7","7","1") = "9"
    & skf18("5","10","8","6","7","8","1") = "9"
    & skf18("5","10","8","6","7","9","1") = "9"
    & skf18("5","10","8","6","7","10","1") = "9"
    & skf18("5","10","8","6","8","1","1") = "9"
    & skf18("5","10","8","6","8","2","1") = "9"
    & skf18("5","10","8","6","8","3","1") = "9"
    & skf18("5","10","8","6","8","4","1") = "9"
    & skf18("5","10","8","6","8","5","1") = "9"
    & skf18("5","10","8","6","8","6","1") = "9"
    & skf18("5","10","8","6","8","7","1") = "9"
    & skf18("5","10","8","6","8","8","1") = "9"
    & skf18("5","10","8","6","8","9","1") = "9"
    & skf18("5","10","8","6","8","10","1") = "9"
    & skf18("5","10","8","6","9","1","1") = "9"
    & skf18("5","10","8","6","9","2","1") = "9"
    & skf18("5","10","8","6","9","3","1") = "9"
    & skf18("5","10","8","6","9","4","1") = "9"
    & skf18("5","10","8","6","9","5","1") = "9"
    & skf18("5","10","8","6","9","6","1") = "9"
    & skf18("5","10","8","6","9","7","1") = "9"
    & skf18("5","10","8","6","9","8","1") = "9"
    & skf18("5","10","8","6","9","9","1") = "9"
    & skf18("5","10","8","6","9","10","1") = "9"
    & skf18("5","10","8","6","10","1","1") = "9"
    & skf18("5","10","8","6","10","2","1") = "9"
    & skf18("5","10","8","6","10","3","1") = "9"
    & skf18("5","10","8","6","10","4","1") = "9"
    & skf18("5","10","8","6","10","5","1") = "9"
    & skf18("5","10","8","6","10","6","1") = "9"
    & skf18("5","10","8","6","10","7","1") = "9"
    & skf18("5","10","8","6","10","8","1") = "9"
    & skf18("5","10","8","6","10","9","1") = "9"
    & skf18("5","10","8","6","10","10","1") = "9"
    & skf18("5","10","8","7","1","1","1") = "9"
    & skf18("5","10","8","7","1","2","1") = "9"
    & skf18("5","10","8","7","1","3","1") = "9"
    & skf18("5","10","8","7","1","4","1") = "9"
    & skf18("5","10","8","7","1","5","1") = "9"
    & skf18("5","10","8","7","1","6","1") = "9"
    & skf18("5","10","8","7","1","7","1") = "9"
    & skf18("5","10","8","7","1","8","1") = "9"
    & skf18("5","10","8","7","1","9","1") = "9"
    & skf18("5","10","8","7","1","10","1") = "9"
    & skf18("5","10","8","7","2","1","1") = "9"
    & skf18("5","10","8","7","2","2","1") = "9"
    & skf18("5","10","8","7","2","3","1") = "9"
    & skf18("5","10","8","7","2","4","1") = "9"
    & skf18("5","10","8","7","2","5","1") = "9"
    & skf18("5","10","8","7","2","6","1") = "9"
    & skf18("5","10","8","7","2","7","1") = "9"
    & skf18("5","10","8","7","2","8","1") = "9"
    & skf18("5","10","8","7","2","9","1") = "9"
    & skf18("5","10","8","7","2","10","1") = "9"
    & skf18("5","10","8","7","3","1","1") = "9"
    & skf18("5","10","8","7","3","2","1") = "9"
    & skf18("5","10","8","7","3","3","1") = "9"
    & skf18("5","10","8","7","3","4","1") = "9"
    & skf18("5","10","8","7","3","5","1") = "9"
    & skf18("5","10","8","7","3","6","1") = "9"
    & skf18("5","10","8","7","3","7","1") = "9"
    & skf18("5","10","8","7","3","8","1") = "9"
    & skf18("5","10","8","7","3","9","1") = "9"
    & skf18("5","10","8","7","3","10","1") = "9"
    & skf18("5","10","8","7","4","1","1") = "9"
    & skf18("5","10","8","7","4","2","1") = "9"
    & skf18("5","10","8","7","4","3","1") = "9"
    & skf18("5","10","8","7","4","4","1") = "9"
    & skf18("5","10","8","7","4","5","1") = "9"
    & skf18("5","10","8","7","4","6","1") = "9"
    & skf18("5","10","8","7","4","7","1") = "9"
    & skf18("5","10","8","7","4","8","1") = "9"
    & skf18("5","10","8","7","4","9","1") = "9"
    & skf18("5","10","8","7","4","10","1") = "9"
    & skf18("5","10","8","7","5","1","1") = "9"
    & skf18("5","10","8","7","5","2","1") = "9"
    & skf18("5","10","8","7","5","3","1") = "9"
    & skf18("5","10","8","7","5","4","1") = "9"
    & skf18("5","10","8","7","5","5","1") = "9"
    & skf18("5","10","8","7","5","6","1") = "9"
    & skf18("5","10","8","7","5","7","1") = "9"
    & skf18("5","10","8","7","5","8","1") = "9"
    & skf18("5","10","8","7","5","9","1") = "9"
    & skf18("5","10","8","7","5","10","1") = "9"
    & skf18("5","10","8","7","6","1","1") = "9"
    & skf18("5","10","8","7","6","2","1") = "9"
    & skf18("5","10","8","7","6","3","1") = "9"
    & skf18("5","10","8","7","6","4","1") = "9"
    & skf18("5","10","8","7","6","5","1") = "9"
    & skf18("5","10","8","7","6","6","1") = "9"
    & skf18("5","10","8","7","6","7","1") = "9"
    & skf18("5","10","8","7","6","8","1") = "9"
    & skf18("5","10","8","7","6","9","1") = "9"
    & skf18("5","10","8","7","6","10","1") = "9"
    & skf18("5","10","8","7","7","1","1") = "9"
    & skf18("5","10","8","7","7","2","1") = "9"
    & skf18("5","10","8","7","7","3","1") = "9"
    & skf18("5","10","8","7","7","4","1") = "9"
    & skf18("5","10","8","7","7","5","1") = "9"
    & skf18("5","10","8","7","7","6","1") = "9"
    & skf18("5","10","8","7","7","7","1") = "9"
    & skf18("5","10","8","7","7","8","1") = "9"
    & skf18("5","10","8","7","7","9","1") = "9"
    & skf18("5","10","8","7","7","10","1") = "9"
    & skf18("5","10","8","7","8","1","1") = "9"
    & skf18("5","10","8","7","8","2","1") = "9"
    & skf18("5","10","8","7","8","3","1") = "9"
    & skf18("5","10","8","7","8","4","1") = "9"
    & skf18("5","10","8","7","8","5","1") = "9"
    & skf18("5","10","8","7","8","6","1") = "9"
    & skf18("5","10","8","7","8","7","1") = "9"
    & skf18("5","10","8","7","8","8","1") = "9"
    & skf18("5","10","8","7","8","9","1") = "9"
    & skf18("5","10","8","7","8","10","1") = "9"
    & skf18("5","10","8","7","9","1","1") = "9"
    & skf18("5","10","8","7","9","2","1") = "9"
    & skf18("5","10","8","7","9","3","1") = "9"
    & skf18("5","10","8","7","9","4","1") = "9"
    & skf18("5","10","8","7","9","5","1") = "9"
    & skf18("5","10","8","7","9","6","1") = "9"
    & skf18("5","10","8","7","9","7","1") = "9"
    & skf18("5","10","8","7","9","8","1") = "9"
    & skf18("5","10","8","7","9","9","1") = "9"
    & skf18("5","10","8","7","9","10","1") = "9"
    & skf18("5","10","8","7","10","1","1") = "9"
    & skf18("5","10","8","7","10","2","1") = "9"
    & skf18("5","10","8","7","10","3","1") = "9"
    & skf18("5","10","8","7","10","4","1") = "9"
    & skf18("5","10","8","7","10","5","1") = "9"
    & skf18("5","10","8","7","10","6","1") = "9"
    & skf18("5","10","8","7","10","7","1") = "9"
    & skf18("5","10","8","7","10","8","1") = "9"
    & skf18("5","10","8","7","10","9","1") = "9"
    & skf18("5","10","8","7","10","10","1") = "9"
    & skf18("5","10","8","8","1","1","1") = "9"
    & skf18("5","10","8","8","1","2","1") = "9"
    & skf18("5","10","8","8","1","3","1") = "9"
    & skf18("5","10","8","8","1","4","1") = "9"
    & skf18("5","10","8","8","1","5","1") = "9"
    & skf18("5","10","8","8","1","6","1") = "9"
    & skf18("5","10","8","8","1","7","1") = "9"
    & skf18("5","10","8","8","1","8","1") = "9"
    & skf18("5","10","8","8","1","9","1") = "9"
    & skf18("5","10","8","8","1","10","1") = "9"
    & skf18("5","10","8","8","2","1","1") = "9"
    & skf18("5","10","8","8","2","2","1") = "9"
    & skf18("5","10","8","8","2","3","1") = "9"
    & skf18("5","10","8","8","2","4","1") = "9"
    & skf18("5","10","8","8","2","5","1") = "9"
    & skf18("5","10","8","8","2","6","1") = "9"
    & skf18("5","10","8","8","2","7","1") = "9"
    & skf18("5","10","8","8","2","8","1") = "9"
    & skf18("5","10","8","8","2","9","1") = "9"
    & skf18("5","10","8","8","2","10","1") = "9"
    & skf18("5","10","8","8","3","1","1") = "9"
    & skf18("5","10","8","8","3","2","1") = "9"
    & skf18("5","10","8","8","3","3","1") = "9"
    & skf18("5","10","8","8","3","4","1") = "9"
    & skf18("5","10","8","8","3","5","1") = "9"
    & skf18("5","10","8","8","3","6","1") = "9"
    & skf18("5","10","8","8","3","7","1") = "9"
    & skf18("5","10","8","8","3","8","1") = "9"
    & skf18("5","10","8","8","3","9","1") = "9"
    & skf18("5","10","8","8","3","10","1") = "9"
    & skf18("5","10","8","8","4","1","1") = "9"
    & skf18("5","10","8","8","4","2","1") = "9"
    & skf18("5","10","8","8","4","3","1") = "9"
    & skf18("5","10","8","8","4","4","1") = "9"
    & skf18("5","10","8","8","4","5","1") = "9"
    & skf18("5","10","8","8","4","6","1") = "9"
    & skf18("5","10","8","8","4","7","1") = "9"
    & skf18("5","10","8","8","4","8","1") = "9"
    & skf18("5","10","8","8","4","9","1") = "9"
    & skf18("5","10","8","8","4","10","1") = "9"
    & skf18("5","10","8","8","5","1","1") = "9"
    & skf18("5","10","8","8","5","2","1") = "9"
    & skf18("5","10","8","8","5","3","1") = "9"
    & skf18("5","10","8","8","5","4","1") = "9"
    & skf18("5","10","8","8","5","5","1") = "9"
    & skf18("5","10","8","8","5","6","1") = "9"
    & skf18("5","10","8","8","5","7","1") = "9"
    & skf18("5","10","8","8","5","8","1") = "9"
    & skf18("5","10","8","8","5","9","1") = "9"
    & skf18("5","10","8","8","5","10","1") = "9"
    & skf18("5","10","8","8","6","1","1") = "9"
    & skf18("5","10","8","8","6","2","1") = "9"
    & skf18("5","10","8","8","6","3","1") = "9"
    & skf18("5","10","8","8","6","4","1") = "9"
    & skf18("5","10","8","8","6","5","1") = "9"
    & skf18("5","10","8","8","6","6","1") = "9"
    & skf18("5","10","8","8","6","7","1") = "9"
    & skf18("5","10","8","8","6","8","1") = "9"
    & skf18("5","10","8","8","6","9","1") = "9"
    & skf18("5","10","8","8","6","10","1") = "9"
    & skf18("5","10","8","8","7","1","1") = "9"
    & skf18("5","10","8","8","7","2","1") = "9"
    & skf18("5","10","8","8","7","3","1") = "9"
    & skf18("5","10","8","8","7","4","1") = "9"
    & skf18("5","10","8","8","7","5","1") = "9"
    & skf18("5","10","8","8","7","6","1") = "9"
    & skf18("5","10","8","8","7","7","1") = "9"
    & skf18("5","10","8","8","7","8","1") = "9"
    & skf18("5","10","8","8","7","9","1") = "9"
    & skf18("5","10","8","8","7","10","1") = "9"
    & skf18("5","10","8","8","8","1","1") = "9"
    & skf18("5","10","8","8","8","2","1") = "9"
    & skf18("5","10","8","8","8","3","1") = "9"
    & skf18("5","10","8","8","8","4","1") = "9"
    & skf18("5","10","8","8","8","5","1") = "9"
    & skf18("5","10","8","8","8","6","1") = "9"
    & skf18("5","10","8","8","8","7","1") = "9"
    & skf18("5","10","8","8","8","8","1") = "9"
    & skf18("5","10","8","8","8","9","1") = "9"
    & skf18("5","10","8","8","8","10","1") = "9"
    & skf18("5","10","8","8","9","1","1") = "9"
    & skf18("5","10","8","8","9","2","1") = "9"
    & skf18("5","10","8","8","9","3","1") = "9"
    & skf18("5","10","8","8","9","4","1") = "9"
    & skf18("5","10","8","8","9","5","1") = "9"
    & skf18("5","10","8","8","9","6","1") = "9"
    & skf18("5","10","8","8","9","7","1") = "9"
    & skf18("5","10","8","8","9","8","1") = "9"
    & skf18("5","10","8","8","9","9","1") = "9"
    & skf18("5","10","8","8","9","10","1") = "9"
    & skf18("5","10","8","8","10","1","1") = "9"
    & skf18("5","10","8","8","10","2","1") = "9"
    & skf18("5","10","8","8","10","3","1") = "9"
    & skf18("5","10","8","8","10","4","1") = "9"
    & skf18("5","10","8","8","10","5","1") = "9"
    & skf18("5","10","8","8","10","6","1") = "9"
    & skf18("5","10","8","8","10","7","1") = "9"
    & skf18("5","10","8","8","10","8","1") = "9"
    & skf18("5","10","8","8","10","9","1") = "9"
    & skf18("5","10","8","8","10","10","1") = "9"
    & skf18("5","10","8","9","1","1","1") = "9"
    & skf18("5","10","8","9","1","2","1") = "9"
    & skf18("5","10","8","9","1","3","1") = "9"
    & skf18("5","10","8","9","1","4","1") = "9"
    & skf18("5","10","8","9","1","5","1") = "9"
    & skf18("5","10","8","9","1","6","1") = "9"
    & skf18("5","10","8","9","1","7","1") = "9"
    & skf18("5","10","8","9","1","8","1") = "9"
    & skf18("5","10","8","9","1","9","1") = "9"
    & skf18("5","10","8","9","1","10","1") = "9"
    & skf18("5","10","8","9","2","1","1") = "9"
    & skf18("5","10","8","9","2","2","1") = "9"
    & skf18("5","10","8","9","2","3","1") = "9"
    & skf18("5","10","8","9","2","4","1") = "9"
    & skf18("5","10","8","9","2","5","1") = "9"
    & skf18("5","10","8","9","2","6","1") = "9"
    & skf18("5","10","8","9","2","7","1") = "9"
    & skf18("5","10","8","9","2","8","1") = "9"
    & skf18("5","10","8","9","2","9","1") = "9"
    & skf18("5","10","8","9","2","10","1") = "9"
    & skf18("5","10","8","9","3","1","1") = "9"
    & skf18("5","10","8","9","3","2","1") = "9"
    & skf18("5","10","8","9","3","3","1") = "9"
    & skf18("5","10","8","9","3","4","1") = "9"
    & skf18("5","10","8","9","3","5","1") = "9"
    & skf18("5","10","8","9","3","6","1") = "9"
    & skf18("5","10","8","9","3","7","1") = "9"
    & skf18("5","10","8","9","3","8","1") = "9"
    & skf18("5","10","8","9","3","9","1") = "9"
    & skf18("5","10","8","9","3","10","1") = "9"
    & skf18("5","10","8","9","4","1","1") = "9"
    & skf18("5","10","8","9","4","2","1") = "9"
    & skf18("5","10","8","9","4","3","1") = "9"
    & skf18("5","10","8","9","4","4","1") = "9"
    & skf18("5","10","8","9","4","5","1") = "9"
    & skf18("5","10","8","9","4","6","1") = "9"
    & skf18("5","10","8","9","4","7","1") = "9"
    & skf18("5","10","8","9","4","8","1") = "9"
    & skf18("5","10","8","9","4","9","1") = "9"
    & skf18("5","10","8","9","4","10","1") = "9"
    & skf18("5","10","8","9","5","1","1") = "9"
    & skf18("5","10","8","9","5","2","1") = "9"
    & skf18("5","10","8","9","5","3","1") = "9"
    & skf18("5","10","8","9","5","4","1") = "9"
    & skf18("5","10","8","9","5","5","1") = "9"
    & skf18("5","10","8","9","5","6","1") = "9"
    & skf18("5","10","8","9","5","7","1") = "9"
    & skf18("5","10","8","9","5","8","1") = "9"
    & skf18("5","10","8","9","5","9","1") = "9"
    & skf18("5","10","8","9","5","10","1") = "9"
    & skf18("5","10","8","9","6","1","1") = "9"
    & skf18("5","10","8","9","6","2","1") = "9"
    & skf18("5","10","8","9","6","3","1") = "9"
    & skf18("5","10","8","9","6","4","1") = "9"
    & skf18("5","10","8","9","6","5","1") = "9"
    & skf18("5","10","8","9","6","6","1") = "9"
    & skf18("5","10","8","9","6","7","1") = "9"
    & skf18("5","10","8","9","6","8","1") = "9"
    & skf18("5","10","8","9","6","9","1") = "9"
    & skf18("5","10","8","9","6","10","1") = "9"
    & skf18("5","10","8","9","7","1","1") = "9"
    & skf18("5","10","8","9","7","2","1") = "9"
    & skf18("5","10","8","9","7","3","1") = "9"
    & skf18("5","10","8","9","7","4","1") = "9"
    & skf18("5","10","8","9","7","5","1") = "9"
    & skf18("5","10","8","9","7","6","1") = "9"
    & skf18("5","10","8","9","7","7","1") = "9"
    & skf18("5","10","8","9","7","8","1") = "9"
    & skf18("5","10","8","9","7","9","1") = "9"
    & skf18("5","10","8","9","7","10","1") = "9"
    & skf18("5","10","8","9","8","1","1") = "9"
    & skf18("5","10","8","9","8","2","1") = "9"
    & skf18("5","10","8","9","8","3","1") = "9"
    & skf18("5","10","8","9","8","4","1") = "9"
    & skf18("5","10","8","9","8","5","1") = "9"
    & skf18("5","10","8","9","8","6","1") = "9"
    & skf18("5","10","8","9","8","7","1") = "9"
    & skf18("5","10","8","9","8","8","1") = "9"
    & skf18("5","10","8","9","8","9","1") = "9"
    & skf18("5","10","8","9","8","10","1") = "9"
    & skf18("5","10","8","9","9","1","1") = "9"
    & skf18("5","10","8","9","9","2","1") = "9"
    & skf18("5","10","8","9","9","3","1") = "9"
    & skf18("5","10","8","9","9","4","1") = "9"
    & skf18("5","10","8","9","9","5","1") = "9"
    & skf18("5","10","8","9","9","6","1") = "9"
    & skf18("5","10","8","9","9","7","1") = "9"
    & skf18("5","10","8","9","9","8","1") = "9"
    & skf18("5","10","8","9","9","9","1") = "9"
    & skf18("5","10","8","9","9","10","1") = "9"
    & skf18("5","10","8","9","10","1","1") = "9"
    & skf18("5","10","8","9","10","2","1") = "9"
    & skf18("5","10","8","9","10","3","1") = "9"
    & skf18("5","10","8","9","10","4","1") = "9"
    & skf18("5","10","8","9","10","5","1") = "9"
    & skf18("5","10","8","9","10","6","1") = "9"
    & skf18("5","10","8","9","10","7","1") = "9"
    & skf18("5","10","8","9","10","8","1") = "9"
    & skf18("5","10","8","9","10","9","1") = "9"
    & skf18("5","10","8","9","10","10","1") = "9"
    & skf18("5","10","8","10","1","1","1") = "9"
    & skf18("5","10","8","10","1","2","1") = "9"
    & skf18("5","10","8","10","1","3","1") = "9"
    & skf18("5","10","8","10","1","4","1") = "9"
    & skf18("5","10","8","10","1","5","1") = "9"
    & skf18("5","10","8","10","1","6","1") = "9"
    & skf18("5","10","8","10","1","7","1") = "9"
    & skf18("5","10","8","10","1","8","1") = "9"
    & skf18("5","10","8","10","1","9","1") = "9"
    & skf18("5","10","8","10","1","10","1") = "9"
    & skf18("5","10","8","10","2","1","1") = "9"
    & skf18("5","10","8","10","2","2","1") = "9"
    & skf18("5","10","8","10","2","3","1") = "9"
    & skf18("5","10","8","10","2","4","1") = "9"
    & skf18("5","10","8","10","2","5","1") = "9"
    & skf18("5","10","8","10","2","6","1") = "9"
    & skf18("5","10","8","10","2","7","1") = "9"
    & skf18("5","10","8","10","2","8","1") = "9"
    & skf18("5","10","8","10","2","9","1") = "9"
    & skf18("5","10","8","10","2","10","1") = "9"
    & skf18("5","10","8","10","3","1","1") = "9"
    & skf18("5","10","8","10","3","2","1") = "9"
    & skf18("5","10","8","10","3","3","1") = "9"
    & skf18("5","10","8","10","3","4","1") = "9"
    & skf18("5","10","8","10","3","5","1") = "9"
    & skf18("5","10","8","10","3","6","1") = "9"
    & skf18("5","10","8","10","3","7","1") = "9"
    & skf18("5","10","8","10","3","8","1") = "9"
    & skf18("5","10","8","10","3","9","1") = "9"
    & skf18("5","10","8","10","3","10","1") = "9"
    & skf18("5","10","8","10","4","1","1") = "9"
    & skf18("5","10","8","10","4","2","1") = "9"
    & skf18("5","10","8","10","4","3","1") = "9"
    & skf18("5","10","8","10","4","4","1") = "9"
    & skf18("5","10","8","10","4","5","1") = "9"
    & skf18("5","10","8","10","4","6","1") = "9"
    & skf18("5","10","8","10","4","7","1") = "9"
    & skf18("5","10","8","10","4","8","1") = "9"
    & skf18("5","10","8","10","4","9","1") = "9"
    & skf18("5","10","8","10","4","10","1") = "9"
    & skf18("5","10","8","10","5","1","1") = "9"
    & skf18("5","10","8","10","5","2","1") = "9"
    & skf18("5","10","8","10","5","3","1") = "9"
    & skf18("5","10","8","10","5","4","1") = "9"
    & skf18("5","10","8","10","5","5","1") = "9"
    & skf18("5","10","8","10","5","6","1") = "9"
    & skf18("5","10","8","10","5","7","1") = "9"
    & skf18("5","10","8","10","5","8","1") = "9"
    & skf18("5","10","8","10","5","9","1") = "9"
    & skf18("5","10","8","10","5","10","1") = "9"
    & skf18("5","10","8","10","6","1","1") = "9"
    & skf18("5","10","8","10","6","2","1") = "9"
    & skf18("5","10","8","10","6","3","1") = "9"
    & skf18("5","10","8","10","6","4","1") = "9"
    & skf18("5","10","8","10","6","5","1") = "9"
    & skf18("5","10","8","10","6","6","1") = "9"
    & skf18("5","10","8","10","6","7","1") = "9"
    & skf18("5","10","8","10","6","8","1") = "9"
    & skf18("5","10","8","10","6","9","1") = "9"
    & skf18("5","10","8","10","6","10","1") = "9"
    & skf18("5","10","8","10","7","1","1") = "9"
    & skf18("5","10","8","10","7","2","1") = "9"
    & skf18("5","10","8","10","7","3","1") = "9"
    & skf18("5","10","8","10","7","4","1") = "9"
    & skf18("5","10","8","10","7","5","1") = "9"
    & skf18("5","10","8","10","7","6","1") = "9"
    & skf18("5","10","8","10","7","7","1") = "9"
    & skf18("5","10","8","10","7","8","1") = "9"
    & skf18("5","10","8","10","7","9","1") = "9"
    & skf18("5","10","8","10","7","10","1") = "9"
    & skf18("5","10","8","10","8","1","1") = "9"
    & skf18("5","10","8","10","8","2","1") = "9"
    & skf18("5","10","8","10","8","3","1") = "9"
    & skf18("5","10","8","10","8","4","1") = "9"
    & skf18("5","10","8","10","8","5","1") = "9"
    & skf18("5","10","8","10","8","6","1") = "9"
    & skf18("5","10","8","10","8","7","1") = "9"
    & skf18("5","10","8","10","8","8","1") = "9"
    & skf18("5","10","8","10","8","9","1") = "9"
    & skf18("5","10","8","10","8","10","1") = "9"
    & skf18("5","10","8","10","9","1","1") = "9"
    & skf18("5","10","8","10","9","2","1") = "9"
    & skf18("5","10","8","10","9","3","1") = "9"
    & skf18("5","10","8","10","9","4","1") = "9"
    & skf18("5","10","8","10","9","5","1") = "9"
    & skf18("5","10","8","10","9","6","1") = "9"
    & skf18("5","10","8","10","9","7","1") = "9"
    & skf18("5","10","8","10","9","8","1") = "9"
    & skf18("5","10","8","10","9","9","1") = "9"
    & skf18("5","10","8","10","9","10","1") = "9"
    & skf18("5","10","8","10","10","1","1") = "9"
    & skf18("5","10","8","10","10","2","1") = "9"
    & skf18("5","10","8","10","10","3","1") = "9"
    & skf18("5","10","8","10","10","4","1") = "9"
    & skf18("5","10","8","10","10","5","1") = "9"
    & skf18("5","10","8","10","10","6","1") = "9"
    & skf18("5","10","8","10","10","7","1") = "9"
    & skf18("5","10","8","10","10","8","1") = "9"
    & skf18("5","10","8","10","10","9","1") = "9"
    & skf18("5","10","8","10","10","10","1") = "9"
    & skf18("5","10","9","1","1","1","1") = "9"
    & skf18("5","10","9","1","1","2","1") = "9"
    & skf18("5","10","9","1","1","3","1") = "9"
    & skf18("5","10","9","1","1","4","1") = "9"
    & skf18("5","10","9","1","1","5","1") = "9"
    & skf18("5","10","9","1","1","6","1") = "9"
    & skf18("5","10","9","1","1","7","1") = "9"
    & skf18("5","10","9","1","1","8","1") = "9"
    & skf18("5","10","9","1","1","9","1") = "9"
    & skf18("5","10","9","1","1","10","1") = "9"
    & skf18("5","10","9","1","2","1","1") = "9"
    & skf18("5","10","9","1","2","2","1") = "9"
    & skf18("5","10","9","1","2","3","1") = "9"
    & skf18("5","10","9","1","2","4","1") = "9"
    & skf18("5","10","9","1","2","5","1") = "9"
    & skf18("5","10","9","1","2","6","1") = "9"
    & skf18("5","10","9","1","2","7","1") = "9"
    & skf18("5","10","9","1","2","8","1") = "9"
    & skf18("5","10","9","1","2","9","1") = "9"
    & skf18("5","10","9","1","2","10","1") = "9"
    & skf18("5","10","9","1","3","1","1") = "9"
    & skf18("5","10","9","1","3","2","1") = "9"
    & skf18("5","10","9","1","3","3","1") = "9"
    & skf18("5","10","9","1","3","4","1") = "9"
    & skf18("5","10","9","1","3","5","1") = "9"
    & skf18("5","10","9","1","3","6","1") = "9"
    & skf18("5","10","9","1","3","7","1") = "9"
    & skf18("5","10","9","1","3","8","1") = "9"
    & skf18("5","10","9","1","3","9","1") = "9"
    & skf18("5","10","9","1","3","10","1") = "9"
    & skf18("5","10","9","1","4","1","1") = "9"
    & skf18("5","10","9","1","4","2","1") = "9"
    & skf18("5","10","9","1","4","3","1") = "9"
    & skf18("5","10","9","1","4","4","1") = "9"
    & skf18("5","10","9","1","4","5","1") = "9"
    & skf18("5","10","9","1","4","6","1") = "9"
    & skf18("5","10","9","1","4","7","1") = "9"
    & skf18("5","10","9","1","4","8","1") = "9"
    & skf18("5","10","9","1","4","9","1") = "9"
    & skf18("5","10","9","1","4","10","1") = "9"
    & skf18("5","10","9","1","5","1","1") = "9"
    & skf18("5","10","9","1","5","2","1") = "9"
    & skf18("5","10","9","1","5","3","1") = "9"
    & skf18("5","10","9","1","5","4","1") = "9"
    & skf18("5","10","9","1","5","5","1") = "9"
    & skf18("5","10","9","1","5","6","1") = "9"
    & skf18("5","10","9","1","5","7","1") = "9"
    & skf18("5","10","9","1","5","8","1") = "9"
    & skf18("5","10","9","1","5","9","1") = "9"
    & skf18("5","10","9","1","5","10","1") = "9"
    & skf18("5","10","9","1","6","1","1") = "9"
    & skf18("5","10","9","1","6","2","1") = "9"
    & skf18("5","10","9","1","6","3","1") = "9"
    & skf18("5","10","9","1","6","4","1") = "9"
    & skf18("5","10","9","1","6","5","1") = "9"
    & skf18("5","10","9","1","6","6","1") = "9"
    & skf18("5","10","9","1","6","7","1") = "9"
    & skf18("5","10","9","1","6","8","1") = "9"
    & skf18("5","10","9","1","6","9","1") = "9"
    & skf18("5","10","9","1","6","10","1") = "9"
    & skf18("5","10","9","1","7","1","1") = "9"
    & skf18("5","10","9","1","7","2","1") = "9"
    & skf18("5","10","9","1","7","3","1") = "9"
    & skf18("5","10","9","1","7","4","1") = "9"
    & skf18("5","10","9","1","7","5","1") = "9"
    & skf18("5","10","9","1","7","6","1") = "9"
    & skf18("5","10","9","1","7","7","1") = "9"
    & skf18("5","10","9","1","7","8","1") = "9"
    & skf18("5","10","9","1","7","9","1") = "9"
    & skf18("5","10","9","1","7","10","1") = "9"
    & skf18("5","10","9","1","8","1","1") = "9"
    & skf18("5","10","9","1","8","2","1") = "9"
    & skf18("5","10","9","1","8","3","1") = "9"
    & skf18("5","10","9","1","8","4","1") = "9"
    & skf18("5","10","9","1","8","5","1") = "9"
    & skf18("5","10","9","1","8","6","1") = "9"
    & skf18("5","10","9","1","8","7","1") = "9"
    & skf18("5","10","9","1","8","8","1") = "9"
    & skf18("5","10","9","1","8","9","1") = "9"
    & skf18("5","10","9","1","8","10","1") = "9"
    & skf18("5","10","9","1","9","1","1") = "9"
    & skf18("5","10","9","1","9","2","1") = "9"
    & skf18("5","10","9","1","9","3","1") = "9"
    & skf18("5","10","9","1","9","4","1") = "9"
    & skf18("5","10","9","1","9","5","1") = "9"
    & skf18("5","10","9","1","9","6","1") = "9"
    & skf18("5","10","9","1","9","7","1") = "9"
    & skf18("5","10","9","1","9","8","1") = "9"
    & skf18("5","10","9","1","9","9","1") = "9"
    & skf18("5","10","9","1","9","10","1") = "9"
    & skf18("5","10","9","1","10","1","1") = "9"
    & skf18("5","10","9","1","10","2","1") = "9"
    & skf18("5","10","9","1","10","3","1") = "9"
    & skf18("5","10","9","1","10","4","1") = "9"
    & skf18("5","10","9","1","10","5","1") = "9"
    & skf18("5","10","9","1","10","6","1") = "9"
    & skf18("5","10","9","1","10","7","1") = "9"
    & skf18("5","10","9","1","10","8","1") = "9"
    & skf18("5","10","9","1","10","9","1") = "9"
    & skf18("5","10","9","1","10","10","1") = "9"
    & skf18("5","10","9","2","1","1","1") = "9"
    & skf18("5","10","9","2","1","2","1") = "9"
    & skf18("5","10","9","2","1","3","1") = "9"
    & skf18("5","10","9","2","1","4","1") = "9"
    & skf18("5","10","9","2","1","5","1") = "9"
    & skf18("5","10","9","2","1","6","1") = "9"
    & skf18("5","10","9","2","1","7","1") = "9"
    & skf18("5","10","9","2","1","8","1") = "9"
    & skf18("5","10","9","2","1","9","1") = "9"
    & skf18("5","10","9","2","1","10","1") = "9"
    & skf18("5","10","9","2","2","1","1") = "9"
    & skf18("5","10","9","2","2","2","1") = "9"
    & skf18("5","10","9","2","2","3","1") = "9"
    & skf18("5","10","9","2","2","4","1") = "9"
    & skf18("5","10","9","2","2","5","1") = "9"
    & skf18("5","10","9","2","2","6","1") = "9"
    & skf18("5","10","9","2","2","7","1") = "9"
    & skf18("5","10","9","2","2","8","1") = "9"
    & skf18("5","10","9","2","2","9","1") = "9"
    & skf18("5","10","9","2","2","10","1") = "9"
    & skf18("5","10","9","2","3","1","1") = "9"
    & skf18("5","10","9","2","3","2","1") = "9"
    & skf18("5","10","9","2","3","3","1") = "9"
    & skf18("5","10","9","2","3","4","1") = "9"
    & skf18("5","10","9","2","3","5","1") = "9"
    & skf18("5","10","9","2","3","6","1") = "9"
    & skf18("5","10","9","2","3","7","1") = "9"
    & skf18("5","10","9","2","3","8","1") = "9"
    & skf18("5","10","9","2","3","9","1") = "9"
    & skf18("5","10","9","2","3","10","1") = "9"
    & skf18("5","10","9","2","4","1","1") = "9"
    & skf18("5","10","9","2","4","2","1") = "9"
    & skf18("5","10","9","2","4","3","1") = "9"
    & skf18("5","10","9","2","4","4","1") = "9"
    & skf18("5","10","9","2","4","5","1") = "9"
    & skf18("5","10","9","2","4","6","1") = "9"
    & skf18("5","10","9","2","4","7","1") = "9"
    & skf18("5","10","9","2","4","8","1") = "9"
    & skf18("5","10","9","2","4","9","1") = "9"
    & skf18("5","10","9","2","4","10","1") = "9"
    & skf18("5","10","9","2","5","1","1") = "9"
    & skf18("5","10","9","2","5","2","1") = "9"
    & skf18("5","10","9","2","5","3","1") = "9"
    & skf18("5","10","9","2","5","4","1") = "9"
    & skf18("5","10","9","2","5","5","1") = "9"
    & skf18("5","10","9","2","5","6","1") = "9"
    & skf18("5","10","9","2","5","7","1") = "9"
    & skf18("5","10","9","2","5","8","1") = "9"
    & skf18("5","10","9","2","5","9","1") = "9"
    & skf18("5","10","9","2","5","10","1") = "9"
    & skf18("5","10","9","2","6","1","1") = "9"
    & skf18("5","10","9","2","6","2","1") = "9"
    & skf18("5","10","9","2","6","3","1") = "9"
    & skf18("5","10","9","2","6","4","1") = "9"
    & skf18("5","10","9","2","6","5","1") = "9"
    & skf18("5","10","9","2","6","6","1") = "9"
    & skf18("5","10","9","2","6","7","1") = "9"
    & skf18("5","10","9","2","6","8","1") = "9"
    & skf18("5","10","9","2","6","9","1") = "9"
    & skf18("5","10","9","2","6","10","1") = "9"
    & skf18("5","10","9","2","7","1","1") = "9"
    & skf18("5","10","9","2","7","2","1") = "9"
    & skf18("5","10","9","2","7","3","1") = "9"
    & skf18("5","10","9","2","7","4","1") = "9"
    & skf18("5","10","9","2","7","5","1") = "9"
    & skf18("5","10","9","2","7","6","1") = "9"
    & skf18("5","10","9","2","7","7","1") = "9"
    & skf18("5","10","9","2","7","8","1") = "9"
    & skf18("5","10","9","2","7","9","1") = "9"
    & skf18("5","10","9","2","7","10","1") = "9"
    & skf18("5","10","9","2","8","1","1") = "9"
    & skf18("5","10","9","2","8","2","1") = "9"
    & skf18("5","10","9","2","8","3","1") = "9"
    & skf18("5","10","9","2","8","4","1") = "9"
    & skf18("5","10","9","2","8","5","1") = "9"
    & skf18("5","10","9","2","8","6","1") = "9"
    & skf18("5","10","9","2","8","7","1") = "9"
    & skf18("5","10","9","2","8","8","1") = "9"
    & skf18("5","10","9","2","8","9","1") = "9"
    & skf18("5","10","9","2","8","10","1") = "9"
    & skf18("5","10","9","2","9","1","1") = "9"
    & skf18("5","10","9","2","9","2","1") = "9"
    & skf18("5","10","9","2","9","3","1") = "9"
    & skf18("5","10","9","2","9","4","1") = "9"
    & skf18("5","10","9","2","9","5","1") = "9"
    & skf18("5","10","9","2","9","6","1") = "9"
    & skf18("5","10","9","2","9","7","1") = "9"
    & skf18("5","10","9","2","9","8","1") = "9"
    & skf18("5","10","9","2","9","9","1") = "9"
    & skf18("5","10","9","2","9","10","1") = "9"
    & skf18("5","10","9","2","10","1","1") = "9"
    & skf18("5","10","9","2","10","2","1") = "9"
    & skf18("5","10","9","2","10","3","1") = "9"
    & skf18("5","10","9","2","10","4","1") = "9"
    & skf18("5","10","9","2","10","5","1") = "9"
    & skf18("5","10","9","2","10","6","1") = "9"
    & skf18("5","10","9","2","10","7","1") = "9"
    & skf18("5","10","9","2","10","8","1") = "9"
    & skf18("5","10","9","2","10","9","1") = "9"
    & skf18("5","10","9","2","10","10","1") = "9"
    & skf18("5","10","9","3","1","1","1") = "9"
    & skf18("5","10","9","3","1","2","1") = "9"
    & skf18("5","10","9","3","1","3","1") = "9"
    & skf18("5","10","9","3","1","4","1") = "9"
    & skf18("5","10","9","3","1","5","1") = "9"
    & skf18("5","10","9","3","1","6","1") = "9"
    & skf18("5","10","9","3","1","7","1") = "9"
    & skf18("5","10","9","3","1","8","1") = "9"
    & skf18("5","10","9","3","1","9","1") = "9"
    & skf18("5","10","9","3","1","10","1") = "9"
    & skf18("5","10","9","3","2","1","1") = "9"
    & skf18("5","10","9","3","2","2","1") = "9"
    & skf18("5","10","9","3","2","3","1") = "9"
    & skf18("5","10","9","3","2","4","1") = "9"
    & skf18("5","10","9","3","2","5","1") = "9"
    & skf18("5","10","9","3","2","6","1") = "9"
    & skf18("5","10","9","3","2","7","1") = "9"
    & skf18("5","10","9","3","2","8","1") = "9"
    & skf18("5","10","9","3","2","9","1") = "9"
    & skf18("5","10","9","3","2","10","1") = "9"
    & skf18("5","10","9","3","3","1","1") = "9"
    & skf18("5","10","9","3","3","2","1") = "9"
    & skf18("5","10","9","3","3","3","1") = "9"
    & skf18("5","10","9","3","3","4","1") = "9"
    & skf18("5","10","9","3","3","5","1") = "9"
    & skf18("5","10","9","3","3","6","1") = "9"
    & skf18("5","10","9","3","3","7","1") = "9"
    & skf18("5","10","9","3","3","8","1") = "9"
    & skf18("5","10","9","3","3","9","1") = "9"
    & skf18("5","10","9","3","3","10","1") = "9"
    & skf18("5","10","9","3","4","1","1") = "9"
    & skf18("5","10","9","3","4","2","1") = "9"
    & skf18("5","10","9","3","4","3","1") = "9"
    & skf18("5","10","9","3","4","4","1") = "9"
    & skf18("5","10","9","3","4","5","1") = "9"
    & skf18("5","10","9","3","4","6","1") = "9"
    & skf18("5","10","9","3","4","7","1") = "9"
    & skf18("5","10","9","3","4","8","1") = "9"
    & skf18("5","10","9","3","4","9","1") = "9"
    & skf18("5","10","9","3","4","10","1") = "9"
    & skf18("5","10","9","3","5","1","1") = "9"
    & skf18("5","10","9","3","5","2","1") = "9"
    & skf18("5","10","9","3","5","3","1") = "9"
    & skf18("5","10","9","3","5","4","1") = "9"
    & skf18("5","10","9","3","5","5","1") = "9"
    & skf18("5","10","9","3","5","6","1") = "9"
    & skf18("5","10","9","3","5","7","1") = "9"
    & skf18("5","10","9","3","5","8","1") = "9"
    & skf18("5","10","9","3","5","9","1") = "9"
    & skf18("5","10","9","3","5","10","1") = "9"
    & skf18("5","10","9","3","6","1","1") = "9"
    & skf18("5","10","9","3","6","2","1") = "9"
    & skf18("5","10","9","3","6","3","1") = "9"
    & skf18("5","10","9","3","6","4","1") = "9"
    & skf18("5","10","9","3","6","5","1") = "9"
    & skf18("5","10","9","3","6","6","1") = "9"
    & skf18("5","10","9","3","6","7","1") = "9"
    & skf18("5","10","9","3","6","8","1") = "9"
    & skf18("5","10","9","3","6","9","1") = "9"
    & skf18("5","10","9","3","6","10","1") = "9"
    & skf18("5","10","9","3","7","1","1") = "9"
    & skf18("5","10","9","3","7","2","1") = "9"
    & skf18("5","10","9","3","7","3","1") = "9"
    & skf18("5","10","9","3","7","4","1") = "9"
    & skf18("5","10","9","3","7","5","1") = "9"
    & skf18("5","10","9","3","7","6","1") = "9"
    & skf18("5","10","9","3","7","7","1") = "9"
    & skf18("5","10","9","3","7","8","1") = "9"
    & skf18("5","10","9","3","7","9","1") = "9"
    & skf18("5","10","9","3","7","10","1") = "9"
    & skf18("5","10","9","3","8","1","1") = "9"
    & skf18("5","10","9","3","8","2","1") = "9"
    & skf18("5","10","9","3","8","3","1") = "9"
    & skf18("5","10","9","3","8","4","1") = "9"
    & skf18("5","10","9","3","8","5","1") = "9"
    & skf18("5","10","9","3","8","6","1") = "9"
    & skf18("5","10","9","3","8","7","1") = "9"
    & skf18("5","10","9","3","8","8","1") = "9"
    & skf18("5","10","9","3","8","9","1") = "9"
    & skf18("5","10","9","3","8","10","1") = "9"
    & skf18("5","10","9","3","9","1","1") = "9"
    & skf18("5","10","9","3","9","2","1") = "9"
    & skf18("5","10","9","3","9","3","1") = "9"
    & skf18("5","10","9","3","9","4","1") = "9"
    & skf18("5","10","9","3","9","5","1") = "9"
    & skf18("5","10","9","3","9","6","1") = "9"
    & skf18("5","10","9","3","9","7","1") = "9"
    & skf18("5","10","9","3","9","8","1") = "9"
    & skf18("5","10","9","3","9","9","1") = "9"
    & skf18("5","10","9","3","9","10","1") = "9"
    & skf18("5","10","9","3","10","1","1") = "9"
    & skf18("5","10","9","3","10","2","1") = "9"
    & skf18("5","10","9","3","10","3","1") = "9"
    & skf18("5","10","9","3","10","4","1") = "9"
    & skf18("5","10","9","3","10","5","1") = "9"
    & skf18("5","10","9","3","10","6","1") = "9"
    & skf18("5","10","9","3","10","7","1") = "9"
    & skf18("5","10","9","3","10","8","1") = "9"
    & skf18("5","10","9","3","10","9","1") = "9"
    & skf18("5","10","9","3","10","10","1") = "9"
    & skf18("5","10","9","4","1","1","1") = "9"
    & skf18("5","10","9","4","1","2","1") = "9"
    & skf18("5","10","9","4","1","3","1") = "9"
    & skf18("5","10","9","4","1","4","1") = "9"
    & skf18("5","10","9","4","1","5","1") = "9"
    & skf18("5","10","9","4","1","6","1") = "9"
    & skf18("5","10","9","4","1","7","1") = "9"
    & skf18("5","10","9","4","1","8","1") = "9"
    & skf18("5","10","9","4","1","9","1") = "9"
    & skf18("5","10","9","4","1","10","1") = "9"
    & skf18("5","10","9","4","2","1","1") = "9"
    & skf18("5","10","9","4","2","2","1") = "9"
    & skf18("5","10","9","4","2","3","1") = "9"
    & skf18("5","10","9","4","2","4","1") = "9"
    & skf18("5","10","9","4","2","5","1") = "9"
    & skf18("5","10","9","4","2","6","1") = "9"
    & skf18("5","10","9","4","2","7","1") = "9"
    & skf18("5","10","9","4","2","8","1") = "9"
    & skf18("5","10","9","4","2","9","1") = "9"
    & skf18("5","10","9","4","2","10","1") = "9"
    & skf18("5","10","9","4","3","1","1") = "9"
    & skf18("5","10","9","4","3","2","1") = "9"
    & skf18("5","10","9","4","3","3","1") = "9"
    & skf18("5","10","9","4","3","4","1") = "9"
    & skf18("5","10","9","4","3","5","1") = "9"
    & skf18("5","10","9","4","3","6","1") = "9"
    & skf18("5","10","9","4","3","7","1") = "9"
    & skf18("5","10","9","4","3","8","1") = "9"
    & skf18("5","10","9","4","3","9","1") = "9"
    & skf18("5","10","9","4","3","10","1") = "9"
    & skf18("5","10","9","4","4","1","1") = "9"
    & skf18("5","10","9","4","4","2","1") = "9"
    & skf18("5","10","9","4","4","3","1") = "9"
    & skf18("5","10","9","4","4","4","1") = "9"
    & skf18("5","10","9","4","4","5","1") = "9"
    & skf18("5","10","9","4","4","6","1") = "9"
    & skf18("5","10","9","4","4","7","1") = "9"
    & skf18("5","10","9","4","4","8","1") = "9"
    & skf18("5","10","9","4","4","9","1") = "9"
    & skf18("5","10","9","4","4","10","1") = "9"
    & skf18("5","10","9","4","5","1","1") = "9"
    & skf18("5","10","9","4","5","2","1") = "9"
    & skf18("5","10","9","4","5","3","1") = "9"
    & skf18("5","10","9","4","5","4","1") = "9"
    & skf18("5","10","9","4","5","5","1") = "9"
    & skf18("5","10","9","4","5","6","1") = "9"
    & skf18("5","10","9","4","5","7","1") = "9"
    & skf18("5","10","9","4","5","8","1") = "9"
    & skf18("5","10","9","4","5","9","1") = "9"
    & skf18("5","10","9","4","5","10","1") = "9"
    & skf18("5","10","9","4","6","1","1") = "9"
    & skf18("5","10","9","4","6","2","1") = "9"
    & skf18("5","10","9","4","6","3","1") = "9"
    & skf18("5","10","9","4","6","4","1") = "9"
    & skf18("5","10","9","4","6","5","1") = "9"
    & skf18("5","10","9","4","6","6","1") = "9"
    & skf18("5","10","9","4","6","7","1") = "9"
    & skf18("5","10","9","4","6","8","1") = "9"
    & skf18("5","10","9","4","6","9","1") = "9"
    & skf18("5","10","9","4","6","10","1") = "9"
    & skf18("5","10","9","4","7","1","1") = "9"
    & skf18("5","10","9","4","7","2","1") = "9"
    & skf18("5","10","9","4","7","3","1") = "9"
    & skf18("5","10","9","4","7","4","1") = "9"
    & skf18("5","10","9","4","7","5","1") = "9"
    & skf18("5","10","9","4","7","6","1") = "9"
    & skf18("5","10","9","4","7","7","1") = "9"
    & skf18("5","10","9","4","7","8","1") = "9"
    & skf18("5","10","9","4","7","9","1") = "9"
    & skf18("5","10","9","4","7","10","1") = "9"
    & skf18("5","10","9","4","8","1","1") = "9"
    & skf18("5","10","9","4","8","2","1") = "9"
    & skf18("5","10","9","4","8","3","1") = "9"
    & skf18("5","10","9","4","8","4","1") = "9"
    & skf18("5","10","9","4","8","5","1") = "9"
    & skf18("5","10","9","4","8","6","1") = "9"
    & skf18("5","10","9","4","8","7","1") = "9"
    & skf18("5","10","9","4","8","8","1") = "9"
    & skf18("5","10","9","4","8","9","1") = "9"
    & skf18("5","10","9","4","8","10","1") = "9"
    & skf18("5","10","9","4","9","1","1") = "9"
    & skf18("5","10","9","4","9","2","1") = "9"
    & skf18("5","10","9","4","9","3","1") = "9"
    & skf18("5","10","9","4","9","4","1") = "9"
    & skf18("5","10","9","4","9","5","1") = "9"
    & skf18("5","10","9","4","9","6","1") = "9"
    & skf18("5","10","9","4","9","7","1") = "9"
    & skf18("5","10","9","4","9","8","1") = "9"
    & skf18("5","10","9","4","9","9","1") = "9"
    & skf18("5","10","9","4","9","10","1") = "9"
    & skf18("5","10","9","4","10","1","1") = "9"
    & skf18("5","10","9","4","10","2","1") = "9"
    & skf18("5","10","9","4","10","3","1") = "9"
    & skf18("5","10","9","4","10","4","1") = "9"
    & skf18("5","10","9","4","10","5","1") = "9"
    & skf18("5","10","9","4","10","6","1") = "9"
    & skf18("5","10","9","4","10","7","1") = "9"
    & skf18("5","10","9","4","10","8","1") = "9"
    & skf18("5","10","9","4","10","9","1") = "9"
    & skf18("5","10","9","4","10","10","1") = "9"
    & skf18("5","10","9","5","1","1","1") = "9"
    & skf18("5","10","9","5","1","2","1") = "9"
    & skf18("5","10","9","5","1","3","1") = "9"
    & skf18("5","10","9","5","1","4","1") = "9"
    & skf18("5","10","9","5","1","5","1") = "9"
    & skf18("5","10","9","5","1","6","1") = "9"
    & skf18("5","10","9","5","1","7","1") = "9"
    & skf18("5","10","9","5","1","8","1") = "9"
    & skf18("5","10","9","5","1","9","1") = "9"
    & skf18("5","10","9","5","1","10","1") = "9"
    & skf18("5","10","9","5","2","1","1") = "9"
    & skf18("5","10","9","5","2","2","1") = "9"
    & skf18("5","10","9","5","2","3","1") = "9"
    & skf18("5","10","9","5","2","4","1") = "9"
    & skf18("5","10","9","5","2","5","1") = "9"
    & skf18("5","10","9","5","2","6","1") = "9"
    & skf18("5","10","9","5","2","7","1") = "9"
    & skf18("5","10","9","5","2","8","1") = "9"
    & skf18("5","10","9","5","2","9","1") = "9"
    & skf18("5","10","9","5","2","10","1") = "9"
    & skf18("5","10","9","5","3","1","1") = "9"
    & skf18("5","10","9","5","3","2","1") = "9"
    & skf18("5","10","9","5","3","3","1") = "9"
    & skf18("5","10","9","5","3","4","1") = "9"
    & skf18("5","10","9","5","3","5","1") = "9"
    & skf18("5","10","9","5","3","6","1") = "9"
    & skf18("5","10","9","5","3","7","1") = "9"
    & skf18("5","10","9","5","3","8","1") = "9"
    & skf18("5","10","9","5","3","9","1") = "9"
    & skf18("5","10","9","5","3","10","1") = "9"
    & skf18("5","10","9","5","4","1","1") = "9"
    & skf18("5","10","9","5","4","2","1") = "9"
    & skf18("5","10","9","5","4","3","1") = "9"
    & skf18("5","10","9","5","4","4","1") = "9"
    & skf18("5","10","9","5","4","5","1") = "9"
    & skf18("5","10","9","5","4","6","1") = "9"
    & skf18("5","10","9","5","4","7","1") = "9"
    & skf18("5","10","9","5","4","8","1") = "9"
    & skf18("5","10","9","5","4","9","1") = "9"
    & skf18("5","10","9","5","4","10","1") = "9"
    & skf18("5","10","9","5","5","1","1") = "9"
    & skf18("5","10","9","5","5","2","1") = "9"
    & skf18("5","10","9","5","5","3","1") = "9"
    & skf18("5","10","9","5","5","4","1") = "9"
    & skf18("5","10","9","5","5","5","1") = "9"
    & skf18("5","10","9","5","5","6","1") = "9"
    & skf18("5","10","9","5","5","7","1") = "9"
    & skf18("5","10","9","5","5","8","1") = "9"
    & skf18("5","10","9","5","5","9","1") = "9"
    & skf18("5","10","9","5","5","10","1") = "9"
    & skf18("5","10","9","5","6","1","1") = "9"
    & skf18("5","10","9","5","6","2","1") = "9"
    & skf18("5","10","9","5","6","3","1") = "9"
    & skf18("5","10","9","5","6","4","1") = "9"
    & skf18("5","10","9","5","6","5","1") = "9"
    & skf18("5","10","9","5","6","6","1") = "9"
    & skf18("5","10","9","5","6","7","1") = "9"
    & skf18("5","10","9","5","6","8","1") = "9"
    & skf18("5","10","9","5","6","9","1") = "9"
    & skf18("5","10","9","5","6","10","1") = "9"
    & skf18("5","10","9","5","7","1","1") = "9"
    & skf18("5","10","9","5","7","2","1") = "9"
    & skf18("5","10","9","5","7","3","1") = "9"
    & skf18("5","10","9","5","7","4","1") = "9"
    & skf18("5","10","9","5","7","5","1") = "9"
    & skf18("5","10","9","5","7","6","1") = "9"
    & skf18("5","10","9","5","7","7","1") = "9"
    & skf18("5","10","9","5","7","8","1") = "9"
    & skf18("5","10","9","5","7","9","1") = "9"
    & skf18("5","10","9","5","7","10","1") = "9"
    & skf18("5","10","9","5","8","1","1") = "9"
    & skf18("5","10","9","5","8","2","1") = "9"
    & skf18("5","10","9","5","8","3","1") = "9"
    & skf18("5","10","9","5","8","4","1") = "9"
    & skf18("5","10","9","5","8","5","1") = "9"
    & skf18("5","10","9","5","8","6","1") = "9"
    & skf18("5","10","9","5","8","7","1") = "9"
    & skf18("5","10","9","5","8","8","1") = "9"
    & skf18("5","10","9","5","8","9","1") = "9"
    & skf18("5","10","9","5","8","10","1") = "9"
    & skf18("5","10","9","5","9","1","1") = "9"
    & skf18("5","10","9","5","9","2","1") = "9"
    & skf18("5","10","9","5","9","3","1") = "9"
    & skf18("5","10","9","5","9","4","1") = "9"
    & skf18("5","10","9","5","9","5","1") = "9"
    & skf18("5","10","9","5","9","6","1") = "9"
    & skf18("5","10","9","5","9","7","1") = "9"
    & skf18("5","10","9","5","9","8","1") = "9"
    & skf18("5","10","9","5","9","9","1") = "9"
    & skf18("5","10","9","5","9","10","1") = "9"
    & skf18("5","10","9","5","10","1","1") = "9"
    & skf18("5","10","9","5","10","2","1") = "9"
    & skf18("5","10","9","5","10","3","1") = "9"
    & skf18("5","10","9","5","10","4","1") = "9"
    & skf18("5","10","9","5","10","5","1") = "9"
    & skf18("5","10","9","5","10","6","1") = "9"
    & skf18("5","10","9","5","10","7","1") = "9"
    & skf18("5","10","9","5","10","8","1") = "9"
    & skf18("5","10","9","5","10","9","1") = "9"
    & skf18("5","10","9","5","10","10","1") = "9"
    & skf18("5","10","9","6","1","1","1") = "9"
    & skf18("5","10","9","6","1","2","1") = "9"
    & skf18("5","10","9","6","1","3","1") = "9"
    & skf18("5","10","9","6","1","4","1") = "9"
    & skf18("5","10","9","6","1","5","1") = "9"
    & skf18("5","10","9","6","1","6","1") = "9"
    & skf18("5","10","9","6","1","7","1") = "9"
    & skf18("5","10","9","6","1","8","1") = "9"
    & skf18("5","10","9","6","1","9","1") = "9"
    & skf18("5","10","9","6","1","10","1") = "9"
    & skf18("5","10","9","6","2","1","1") = "9"
    & skf18("5","10","9","6","2","2","1") = "9"
    & skf18("5","10","9","6","2","3","1") = "9"
    & skf18("5","10","9","6","2","4","1") = "9"
    & skf18("5","10","9","6","2","5","1") = "9"
    & skf18("5","10","9","6","2","6","1") = "9"
    & skf18("5","10","9","6","2","7","1") = "9"
    & skf18("5","10","9","6","2","8","1") = "9"
    & skf18("5","10","9","6","2","9","1") = "9"
    & skf18("5","10","9","6","2","10","1") = "9"
    & skf18("5","10","9","6","3","1","1") = "9"
    & skf18("5","10","9","6","3","2","1") = "9"
    & skf18("5","10","9","6","3","3","1") = "9"
    & skf18("5","10","9","6","3","4","1") = "9"
    & skf18("5","10","9","6","3","5","1") = "9"
    & skf18("5","10","9","6","3","6","1") = "9"
    & skf18("5","10","9","6","3","7","1") = "9"
    & skf18("5","10","9","6","3","8","1") = "9"
    & skf18("5","10","9","6","3","9","1") = "9"
    & skf18("5","10","9","6","3","10","1") = "9"
    & skf18("5","10","9","6","4","1","1") = "9"
    & skf18("5","10","9","6","4","2","1") = "9"
    & skf18("5","10","9","6","4","3","1") = "9"
    & skf18("5","10","9","6","4","4","1") = "9"
    & skf18("5","10","9","6","4","5","1") = "9"
    & skf18("5","10","9","6","4","6","1") = "9"
    & skf18("5","10","9","6","4","7","1") = "9"
    & skf18("5","10","9","6","4","8","1") = "9"
    & skf18("5","10","9","6","4","9","1") = "9"
    & skf18("5","10","9","6","4","10","1") = "9"
    & skf18("5","10","9","6","5","1","1") = "9"
    & skf18("5","10","9","6","5","2","1") = "9"
    & skf18("5","10","9","6","5","3","1") = "9"
    & skf18("5","10","9","6","5","4","1") = "9"
    & skf18("5","10","9","6","5","5","1") = "9"
    & skf18("5","10","9","6","5","6","1") = "9"
    & skf18("5","10","9","6","5","7","1") = "9"
    & skf18("5","10","9","6","5","8","1") = "9"
    & skf18("5","10","9","6","5","9","1") = "9"
    & skf18("5","10","9","6","5","10","1") = "9"
    & skf18("5","10","9","6","6","1","1") = "9"
    & skf18("5","10","9","6","6","2","1") = "9"
    & skf18("5","10","9","6","6","3","1") = "9"
    & skf18("5","10","9","6","6","4","1") = "9"
    & skf18("5","10","9","6","6","5","1") = "9"
    & skf18("5","10","9","6","6","6","1") = "9"
    & skf18("5","10","9","6","6","7","1") = "9"
    & skf18("5","10","9","6","6","8","1") = "9"
    & skf18("5","10","9","6","6","9","1") = "9"
    & skf18("5","10","9","6","6","10","1") = "9"
    & skf18("5","10","9","6","7","1","1") = "9"
    & skf18("5","10","9","6","7","2","1") = "9"
    & skf18("5","10","9","6","7","3","1") = "9"
    & skf18("5","10","9","6","7","4","1") = "9"
    & skf18("5","10","9","6","7","5","1") = "9"
    & skf18("5","10","9","6","7","6","1") = "9"
    & skf18("5","10","9","6","7","7","1") = "9"
    & skf18("5","10","9","6","7","8","1") = "9"
    & skf18("5","10","9","6","7","9","1") = "9"
    & skf18("5","10","9","6","7","10","1") = "9"
    & skf18("5","10","9","6","8","1","1") = "9"
    & skf18("5","10","9","6","8","2","1") = "9"
    & skf18("5","10","9","6","8","3","1") = "9"
    & skf18("5","10","9","6","8","4","1") = "9"
    & skf18("5","10","9","6","8","5","1") = "9"
    & skf18("5","10","9","6","8","6","1") = "9"
    & skf18("5","10","9","6","8","7","1") = "9"
    & skf18("5","10","9","6","8","8","1") = "9"
    & skf18("5","10","9","6","8","9","1") = "9"
    & skf18("5","10","9","6","8","10","1") = "9"
    & skf18("5","10","9","6","9","1","1") = "9"
    & skf18("5","10","9","6","9","2","1") = "9"
    & skf18("5","10","9","6","9","3","1") = "9"
    & skf18("5","10","9","6","9","4","1") = "9"
    & skf18("5","10","9","6","9","5","1") = "9"
    & skf18("5","10","9","6","9","6","1") = "9"
    & skf18("5","10","9","6","9","7","1") = "9"
    & skf18("5","10","9","6","9","8","1") = "9"
    & skf18("5","10","9","6","9","9","1") = "9"
    & skf18("5","10","9","6","9","10","1") = "9"
    & skf18("5","10","9","6","10","1","1") = "9"
    & skf18("5","10","9","6","10","2","1") = "9"
    & skf18("5","10","9","6","10","3","1") = "9"
    & skf18("5","10","9","6","10","4","1") = "9"
    & skf18("5","10","9","6","10","5","1") = "9"
    & skf18("5","10","9","6","10","6","1") = "9"
    & skf18("5","10","9","6","10","7","1") = "9"
    & skf18("5","10","9","6","10","8","1") = "9"
    & skf18("5","10","9","6","10","9","1") = "9"
    & skf18("5","10","9","6","10","10","1") = "9"
    & skf18("5","10","9","7","1","1","1") = "9"
    & skf18("5","10","9","7","1","2","1") = "9"
    & skf18("5","10","9","7","1","3","1") = "9"
    & skf18("5","10","9","7","1","4","1") = "9"
    & skf18("5","10","9","7","1","5","1") = "9"
    & skf18("5","10","9","7","1","6","1") = "9"
    & skf18("5","10","9","7","1","7","1") = "9"
    & skf18("5","10","9","7","1","8","1") = "9"
    & skf18("5","10","9","7","1","9","1") = "9"
    & skf18("5","10","9","7","1","10","1") = "9"
    & skf18("5","10","9","7","2","1","1") = "9"
    & skf18("5","10","9","7","2","2","1") = "9"
    & skf18("5","10","9","7","2","3","1") = "9"
    & skf18("5","10","9","7","2","4","1") = "9"
    & skf18("5","10","9","7","2","5","1") = "9"
    & skf18("5","10","9","7","2","6","1") = "9"
    & skf18("5","10","9","7","2","7","1") = "9"
    & skf18("5","10","9","7","2","8","1") = "9"
    & skf18("5","10","9","7","2","9","1") = "9"
    & skf18("5","10","9","7","2","10","1") = "9"
    & skf18("5","10","9","7","3","1","1") = "9"
    & skf18("5","10","9","7","3","2","1") = "9"
    & skf18("5","10","9","7","3","3","1") = "9"
    & skf18("5","10","9","7","3","4","1") = "9"
    & skf18("5","10","9","7","3","5","1") = "9"
    & skf18("5","10","9","7","3","6","1") = "9"
    & skf18("5","10","9","7","3","7","1") = "9"
    & skf18("5","10","9","7","3","8","1") = "9"
    & skf18("5","10","9","7","3","9","1") = "9"
    & skf18("5","10","9","7","3","10","1") = "9"
    & skf18("5","10","9","7","4","1","1") = "9"
    & skf18("5","10","9","7","4","2","1") = "9"
    & skf18("5","10","9","7","4","3","1") = "9"
    & skf18("5","10","9","7","4","4","1") = "9"
    & skf18("5","10","9","7","4","5","1") = "9"
    & skf18("5","10","9","7","4","6","1") = "9"
    & skf18("5","10","9","7","4","7","1") = "9"
    & skf18("5","10","9","7","4","8","1") = "9"
    & skf18("5","10","9","7","4","9","1") = "9"
    & skf18("5","10","9","7","4","10","1") = "9"
    & skf18("5","10","9","7","5","1","1") = "9"
    & skf18("5","10","9","7","5","2","1") = "9"
    & skf18("5","10","9","7","5","3","1") = "9"
    & skf18("5","10","9","7","5","4","1") = "9"
    & skf18("5","10","9","7","5","5","1") = "9"
    & skf18("5","10","9","7","5","6","1") = "9"
    & skf18("5","10","9","7","5","7","1") = "9"
    & skf18("5","10","9","7","5","8","1") = "9"
    & skf18("5","10","9","7","5","9","1") = "9"
    & skf18("5","10","9","7","5","10","1") = "9"
    & skf18("5","10","9","7","6","1","1") = "9"
    & skf18("5","10","9","7","6","2","1") = "9"
    & skf18("5","10","9","7","6","3","1") = "9"
    & skf18("5","10","9","7","6","4","1") = "9"
    & skf18("5","10","9","7","6","5","1") = "9"
    & skf18("5","10","9","7","6","6","1") = "9"
    & skf18("5","10","9","7","6","7","1") = "9"
    & skf18("5","10","9","7","6","8","1") = "9"
    & skf18("5","10","9","7","6","9","1") = "9"
    & skf18("5","10","9","7","6","10","1") = "9"
    & skf18("5","10","9","7","7","1","1") = "9"
    & skf18("5","10","9","7","7","2","1") = "9"
    & skf18("5","10","9","7","7","3","1") = "9"
    & skf18("5","10","9","7","7","4","1") = "9"
    & skf18("5","10","9","7","7","5","1") = "9"
    & skf18("5","10","9","7","7","6","1") = "9"
    & skf18("5","10","9","7","7","7","1") = "9"
    & skf18("5","10","9","7","7","8","1") = "9"
    & skf18("5","10","9","7","7","9","1") = "9"
    & skf18("5","10","9","7","7","10","1") = "9"
    & skf18("5","10","9","7","8","1","1") = "9"
    & skf18("5","10","9","7","8","2","1") = "9"
    & skf18("5","10","9","7","8","3","1") = "9"
    & skf18("5","10","9","7","8","4","1") = "9"
    & skf18("5","10","9","7","8","5","1") = "9"
    & skf18("5","10","9","7","8","6","1") = "9"
    & skf18("5","10","9","7","8","7","1") = "9"
    & skf18("5","10","9","7","8","8","1") = "9"
    & skf18("5","10","9","7","8","9","1") = "9"
    & skf18("5","10","9","7","8","10","1") = "9"
    & skf18("5","10","9","7","9","1","1") = "9"
    & skf18("5","10","9","7","9","2","1") = "9"
    & skf18("5","10","9","7","9","3","1") = "9"
    & skf18("5","10","9","7","9","4","1") = "9"
    & skf18("5","10","9","7","9","5","1") = "9"
    & skf18("5","10","9","7","9","6","1") = "9"
    & skf18("5","10","9","7","9","7","1") = "9"
    & skf18("5","10","9","7","9","8","1") = "9"
    & skf18("5","10","9","7","9","9","1") = "9"
    & skf18("5","10","9","7","9","10","1") = "9"
    & skf18("5","10","9","7","10","1","1") = "9"
    & skf18("5","10","9","7","10","2","1") = "9"
    & skf18("5","10","9","7","10","3","1") = "9"
    & skf18("5","10","9","7","10","4","1") = "9"
    & skf18("5","10","9","7","10","5","1") = "9"
    & skf18("5","10","9","7","10","6","1") = "9"
    & skf18("5","10","9","7","10","7","1") = "9"
    & skf18("5","10","9","7","10","8","1") = "9"
    & skf18("5","10","9","7","10","9","1") = "9"
    & skf18("5","10","9","7","10","10","1") = "9"
    & skf18("5","10","9","8","1","1","1") = "9"
    & skf18("5","10","9","8","1","2","1") = "9"
    & skf18("5","10","9","8","1","3","1") = "9"
    & skf18("5","10","9","8","1","4","1") = "9"
    & skf18("5","10","9","8","1","5","1") = "9"
    & skf18("5","10","9","8","1","6","1") = "9"
    & skf18("5","10","9","8","1","7","1") = "9"
    & skf18("5","10","9","8","1","8","1") = "9"
    & skf18("5","10","9","8","1","9","1") = "9"
    & skf18("5","10","9","8","1","10","1") = "9"
    & skf18("5","10","9","8","2","1","1") = "9"
    & skf18("5","10","9","8","2","2","1") = "9"
    & skf18("5","10","9","8","2","3","1") = "9"
    & skf18("5","10","9","8","2","4","1") = "9"
    & skf18("5","10","9","8","2","5","1") = "9"
    & skf18("5","10","9","8","2","6","1") = "9"
    & skf18("5","10","9","8","2","7","1") = "9"
    & skf18("5","10","9","8","2","8","1") = "9"
    & skf18("5","10","9","8","2","9","1") = "9"
    & skf18("5","10","9","8","2","10","1") = "9"
    & skf18("5","10","9","8","3","1","1") = "9"
    & skf18("5","10","9","8","3","2","1") = "9"
    & skf18("5","10","9","8","3","3","1") = "9"
    & skf18("5","10","9","8","3","4","1") = "9"
    & skf18("5","10","9","8","3","5","1") = "9"
    & skf18("5","10","9","8","3","6","1") = "9"
    & skf18("5","10","9","8","3","7","1") = "9"
    & skf18("5","10","9","8","3","8","1") = "9"
    & skf18("5","10","9","8","3","9","1") = "9"
    & skf18("5","10","9","8","3","10","1") = "9"
    & skf18("5","10","9","8","4","1","1") = "9"
    & skf18("5","10","9","8","4","2","1") = "9"
    & skf18("5","10","9","8","4","3","1") = "9"
    & skf18("5","10","9","8","4","4","1") = "9"
    & skf18("5","10","9","8","4","5","1") = "9"
    & skf18("5","10","9","8","4","6","1") = "9"
    & skf18("5","10","9","8","4","7","1") = "9"
    & skf18("5","10","9","8","4","8","1") = "9"
    & skf18("5","10","9","8","4","9","1") = "9"
    & skf18("5","10","9","8","4","10","1") = "9"
    & skf18("5","10","9","8","5","1","1") = "9"
    & skf18("5","10","9","8","5","2","1") = "9"
    & skf18("5","10","9","8","5","3","1") = "9"
    & skf18("5","10","9","8","5","4","1") = "9"
    & skf18("5","10","9","8","5","5","1") = "9"
    & skf18("5","10","9","8","5","6","1") = "9"
    & skf18("5","10","9","8","5","7","1") = "9"
    & skf18("5","10","9","8","5","8","1") = "9"
    & skf18("5","10","9","8","5","9","1") = "9"
    & skf18("5","10","9","8","5","10","1") = "9"
    & skf18("5","10","9","8","6","1","1") = "9"
    & skf18("5","10","9","8","6","2","1") = "9"
    & skf18("5","10","9","8","6","3","1") = "9"
    & skf18("5","10","9","8","6","4","1") = "9"
    & skf18("5","10","9","8","6","5","1") = "9"
    & skf18("5","10","9","8","6","6","1") = "9"
    & skf18("5","10","9","8","6","7","1") = "9"
    & skf18("5","10","9","8","6","8","1") = "9"
    & skf18("5","10","9","8","6","9","1") = "9"
    & skf18("5","10","9","8","6","10","1") = "9"
    & skf18("5","10","9","8","7","1","1") = "9"
    & skf18("5","10","9","8","7","2","1") = "9"
    & skf18("5","10","9","8","7","3","1") = "9"
    & skf18("5","10","9","8","7","4","1") = "9"
    & skf18("5","10","9","8","7","5","1") = "9"
    & skf18("5","10","9","8","7","6","1") = "9"
    & skf18("5","10","9","8","7","7","1") = "9"
    & skf18("5","10","9","8","7","8","1") = "9"
    & skf18("5","10","9","8","7","9","1") = "9"
    & skf18("5","10","9","8","7","10","1") = "9"
    & skf18("5","10","9","8","8","1","1") = "9"
    & skf18("5","10","9","8","8","2","1") = "9"
    & skf18("5","10","9","8","8","3","1") = "9"
    & skf18("5","10","9","8","8","4","1") = "9"
    & skf18("5","10","9","8","8","5","1") = "9"
    & skf18("5","10","9","8","8","6","1") = "9"
    & skf18("5","10","9","8","8","7","1") = "9"
    & skf18("5","10","9","8","8","8","1") = "9"
    & skf18("5","10","9","8","8","9","1") = "9"
    & skf18("5","10","9","8","8","10","1") = "9"
    & skf18("5","10","9","8","9","1","1") = "9"
    & skf18("5","10","9","8","9","2","1") = "9"
    & skf18("5","10","9","8","9","3","1") = "9"
    & skf18("5","10","9","8","9","4","1") = "9"
    & skf18("5","10","9","8","9","5","1") = "9"
    & skf18("5","10","9","8","9","6","1") = "9"
    & skf18("5","10","9","8","9","7","1") = "9"
    & skf18("5","10","9","8","9","8","1") = "9"
    & skf18("5","10","9","8","9","9","1") = "9"
    & skf18("5","10","9","8","9","10","1") = "9"
    & skf18("5","10","9","8","10","1","1") = "9"
    & skf18("5","10","9","8","10","2","1") = "9"
    & skf18("5","10","9","8","10","3","1") = "9"
    & skf18("5","10","9","8","10","4","1") = "9"
    & skf18("5","10","9","8","10","5","1") = "9"
    & skf18("5","10","9","8","10","6","1") = "9"
    & skf18("5","10","9","8","10","7","1") = "9"
    & skf18("5","10","9","8","10","8","1") = "9"
    & skf18("5","10","9","8","10","9","1") = "9"
    & skf18("5","10","9","8","10","10","1") = "9"
    & skf18("5","10","9","9","1","1","1") = "9"
    & skf18("5","10","9","9","1","2","1") = "9"
    & skf18("5","10","9","9","1","3","1") = "9"
    & skf18("5","10","9","9","1","4","1") = "9"
    & skf18("5","10","9","9","1","5","1") = "9"
    & skf18("5","10","9","9","1","6","1") = "9"
    & skf18("5","10","9","9","1","7","1") = "9"
    & skf18("5","10","9","9","1","8","1") = "9"
    & skf18("5","10","9","9","1","9","1") = "9"
    & skf18("5","10","9","9","1","10","1") = "9"
    & skf18("5","10","9","9","2","1","1") = "9"
    & skf18("5","10","9","9","2","2","1") = "9"
    & skf18("5","10","9","9","2","3","1") = "9"
    & skf18("5","10","9","9","2","4","1") = "9"
    & skf18("5","10","9","9","2","5","1") = "9"
    & skf18("5","10","9","9","2","6","1") = "9"
    & skf18("5","10","9","9","2","7","1") = "9"
    & skf18("5","10","9","9","2","8","1") = "9"
    & skf18("5","10","9","9","2","9","1") = "9"
    & skf18("5","10","9","9","2","10","1") = "9"
    & skf18("5","10","9","9","3","1","1") = "9"
    & skf18("5","10","9","9","3","2","1") = "9"
    & skf18("5","10","9","9","3","3","1") = "9"
    & skf18("5","10","9","9","3","4","1") = "9"
    & skf18("5","10","9","9","3","5","1") = "9"
    & skf18("5","10","9","9","3","6","1") = "9"
    & skf18("5","10","9","9","3","7","1") = "9"
    & skf18("5","10","9","9","3","8","1") = "9"
    & skf18("5","10","9","9","3","9","1") = "9"
    & skf18("5","10","9","9","3","10","1") = "9"
    & skf18("5","10","9","9","4","1","1") = "9"
    & skf18("5","10","9","9","4","2","1") = "9"
    & skf18("5","10","9","9","4","3","1") = "9"
    & skf18("5","10","9","9","4","4","1") = "9"
    & skf18("5","10","9","9","4","5","1") = "9"
    & skf18("5","10","9","9","4","6","1") = "9"
    & skf18("5","10","9","9","4","7","1") = "9"
    & skf18("5","10","9","9","4","8","1") = "9"
    & skf18("5","10","9","9","4","9","1") = "9"
    & skf18("5","10","9","9","4","10","1") = "9"
    & skf18("5","10","9","9","5","1","1") = "9"
    & skf18("5","10","9","9","5","2","1") = "9"
    & skf18("5","10","9","9","5","3","1") = "9"
    & skf18("5","10","9","9","5","4","1") = "9"
    & skf18("5","10","9","9","5","5","1") = "9"
    & skf18("5","10","9","9","5","6","1") = "9"
    & skf18("5","10","9","9","5","7","1") = "9"
    & skf18("5","10","9","9","5","8","1") = "9"
    & skf18("5","10","9","9","5","9","1") = "9"
    & skf18("5","10","9","9","5","10","1") = "9"
    & skf18("5","10","9","9","6","1","1") = "9"
    & skf18("5","10","9","9","6","2","1") = "9"
    & skf18("5","10","9","9","6","3","1") = "9"
    & skf18("5","10","9","9","6","4","1") = "9"
    & skf18("5","10","9","9","6","5","1") = "9"
    & skf18("5","10","9","9","6","6","1") = "9"
    & skf18("5","10","9","9","6","7","1") = "9"
    & skf18("5","10","9","9","6","8","1") = "9"
    & skf18("5","10","9","9","6","9","1") = "9"
    & skf18("5","10","9","9","6","10","1") = "9"
    & skf18("5","10","9","9","7","1","1") = "9"
    & skf18("5","10","9","9","7","2","1") = "9"
    & skf18("5","10","9","9","7","3","1") = "9"
    & skf18("5","10","9","9","7","4","1") = "9"
    & skf18("5","10","9","9","7","5","1") = "9"
    & skf18("5","10","9","9","7","6","1") = "9"
    & skf18("5","10","9","9","7","7","1") = "9"
    & skf18("5","10","9","9","7","8","1") = "9"
    & skf18("5","10","9","9","7","9","1") = "9"
    & skf18("5","10","9","9","7","10","1") = "9"
    & skf18("5","10","9","9","8","1","1") = "9"
    & skf18("5","10","9","9","8","2","1") = "9"
    & skf18("5","10","9","9","8","3","1") = "9"
    & skf18("5","10","9","9","8","4","1") = "9"
    & skf18("5","10","9","9","8","5","1") = "9"
    & skf18("5","10","9","9","8","6","1") = "9"
    & skf18("5","10","9","9","8","7","1") = "9"
    & skf18("5","10","9","9","8","8","1") = "9"
    & skf18("5","10","9","9","8","9","1") = "9"
    & skf18("5","10","9","9","8","10","1") = "9"
    & skf18("5","10","9","9","9","1","1") = "9"
    & skf18("5","10","9","9","9","2","1") = "9"
    & skf18("5","10","9","9","9","3","1") = "9"
    & skf18("5","10","9","9","9","4","1") = "9"
    & skf18("5","10","9","9","9","5","1") = "9"
    & skf18("5","10","9","9","9","6","1") = "9"
    & skf18("5","10","9","9","9","7","1") = "9"
    & skf18("5","10","9","9","9","8","1") = "9"
    & skf18("5","10","9","9","9","9","1") = "9"
    & skf18("5","10","9","9","9","10","1") = "9"
    & skf18("5","10","9","9","10","1","1") = "9"
    & skf18("5","10","9","9","10","2","1") = "9"
    & skf18("5","10","9","9","10","3","1") = "9"
    & skf18("5","10","9","9","10","4","1") = "9"
    & skf18("5","10","9","9","10","5","1") = "9"
    & skf18("5","10","9","9","10","6","1") = "9"
    & skf18("5","10","9","9","10","7","1") = "9"
    & skf18("5","10","9","9","10","8","1") = "9"
    & skf18("5","10","9","9","10","9","1") = "9"
    & skf18("5","10","9","9","10","10","1") = "9"
    & skf18("5","10","9","10","1","1","1") = "9"
    & skf18("5","10","9","10","1","2","1") = "9"
    & skf18("5","10","9","10","1","3","1") = "9"
    & skf18("5","10","9","10","1","4","1") = "9"
    & skf18("5","10","9","10","1","5","1") = "9"
    & skf18("5","10","9","10","1","6","1") = "9"
    & skf18("5","10","9","10","1","7","1") = "9"
    & skf18("5","10","9","10","1","8","1") = "9"
    & skf18("5","10","9","10","1","9","1") = "9"
    & skf18("5","10","9","10","1","10","1") = "9"
    & skf18("5","10","9","10","2","1","1") = "9"
    & skf18("5","10","9","10","2","2","1") = "9"
    & skf18("5","10","9","10","2","3","1") = "9"
    & skf18("5","10","9","10","2","4","1") = "9"
    & skf18("5","10","9","10","2","5","1") = "9"
    & skf18("5","10","9","10","2","6","1") = "9"
    & skf18("5","10","9","10","2","7","1") = "9"
    & skf18("5","10","9","10","2","8","1") = "9"
    & skf18("5","10","9","10","2","9","1") = "9"
    & skf18("5","10","9","10","2","10","1") = "9"
    & skf18("5","10","9","10","3","1","1") = "9"
    & skf18("5","10","9","10","3","2","1") = "9"
    & skf18("5","10","9","10","3","3","1") = "9"
    & skf18("5","10","9","10","3","4","1") = "9"
    & skf18("5","10","9","10","3","5","1") = "9"
    & skf18("5","10","9","10","3","6","1") = "9"
    & skf18("5","10","9","10","3","7","1") = "9"
    & skf18("5","10","9","10","3","8","1") = "9"
    & skf18("5","10","9","10","3","9","1") = "9"
    & skf18("5","10","9","10","3","10","1") = "9"
    & skf18("5","10","9","10","4","1","1") = "9"
    & skf18("5","10","9","10","4","2","1") = "9"
    & skf18("5","10","9","10","4","3","1") = "9"
    & skf18("5","10","9","10","4","4","1") = "9"
    & skf18("5","10","9","10","4","5","1") = "9"
    & skf18("5","10","9","10","4","6","1") = "9"
    & skf18("5","10","9","10","4","7","1") = "9"
    & skf18("5","10","9","10","4","8","1") = "9"
    & skf18("5","10","9","10","4","9","1") = "9"
    & skf18("5","10","9","10","4","10","1") = "9"
    & skf18("5","10","9","10","5","1","1") = "9"
    & skf18("5","10","9","10","5","2","1") = "9"
    & skf18("5","10","9","10","5","3","1") = "9"
    & skf18("5","10","9","10","5","4","1") = "9"
    & skf18("5","10","9","10","5","5","1") = "9"
    & skf18("5","10","9","10","5","6","1") = "9"
    & skf18("5","10","9","10","5","7","1") = "9"
    & skf18("5","10","9","10","5","8","1") = "9"
    & skf18("5","10","9","10","5","9","1") = "9"
    & skf18("5","10","9","10","5","10","1") = "9"
    & skf18("5","10","9","10","6","1","1") = "9"
    & skf18("5","10","9","10","6","2","1") = "9"
    & skf18("5","10","9","10","6","3","1") = "9"
    & skf18("5","10","9","10","6","4","1") = "9"
    & skf18("5","10","9","10","6","5","1") = "9"
    & skf18("5","10","9","10","6","6","1") = "9"
    & skf18("5","10","9","10","6","7","1") = "9"
    & skf18("5","10","9","10","6","8","1") = "9"
    & skf18("5","10","9","10","6","9","1") = "9"
    & skf18("5","10","9","10","6","10","1") = "9"
    & skf18("5","10","9","10","7","1","1") = "9"
    & skf18("5","10","9","10","7","2","1") = "9"
    & skf18("5","10","9","10","7","3","1") = "9"
    & skf18("5","10","9","10","7","4","1") = "9"
    & skf18("5","10","9","10","7","5","1") = "9"
    & skf18("5","10","9","10","7","6","1") = "9"
    & skf18("5","10","9","10","7","7","1") = "9"
    & skf18("5","10","9","10","7","8","1") = "9"
    & skf18("5","10","9","10","7","9","1") = "9"
    & skf18("5","10","9","10","7","10","1") = "9"
    & skf18("5","10","9","10","8","1","1") = "9"
    & skf18("5","10","9","10","8","2","1") = "9"
    & skf18("5","10","9","10","8","3","1") = "9"
    & skf18("5","10","9","10","8","4","1") = "9"
    & skf18("5","10","9","10","8","5","1") = "9"
    & skf18("5","10","9","10","8","6","1") = "9"
    & skf18("5","10","9","10","8","7","1") = "9"
    & skf18("5","10","9","10","8","8","1") = "9"
    & skf18("5","10","9","10","8","9","1") = "9"
    & skf18("5","10","9","10","8","10","1") = "9"
    & skf18("5","10","9","10","9","1","1") = "9"
    & skf18("5","10","9","10","9","2","1") = "9"
    & skf18("5","10","9","10","9","3","1") = "9"
    & skf18("5","10","9","10","9","4","1") = "9"
    & skf18("5","10","9","10","9","5","1") = "9"
    & skf18("5","10","9","10","9","6","1") = "9"
    & skf18("5","10","9","10","9","7","1") = "9"
    & skf18("5","10","9","10","9","8","1") = "9"
    & skf18("5","10","9","10","9","9","1") = "9"
    & skf18("5","10","9","10","9","10","1") = "9"
    & skf18("5","10","9","10","10","1","1") = "9"
    & skf18("5","10","9","10","10","2","1") = "9"
    & skf18("5","10","9","10","10","3","1") = "9"
    & skf18("5","10","9","10","10","4","1") = "9"
    & skf18("5","10","9","10","10","5","1") = "9"
    & skf18("5","10","9","10","10","6","1") = "9"
    & skf18("5","10","9","10","10","7","1") = "9"
    & skf18("5","10","9","10","10","8","1") = "9"
    & skf18("5","10","9","10","10","9","1") = "9"
    & skf18("5","10","9","10","10","10","1") = "9"
    & skf18("5","10","10","1","1","1","1") = "9"
    & skf18("5","10","10","1","1","2","1") = "9"
    & skf18("5","10","10","1","1","3","1") = "9"
    & skf18("5","10","10","1","1","4","1") = "9"
    & skf18("5","10","10","1","1","5","1") = "9"
    & skf18("5","10","10","1","1","6","1") = "9"
    & skf18("5","10","10","1","1","7","1") = "9"
    & skf18("5","10","10","1","1","8","1") = "9"
    & skf18("5","10","10","1","1","9","1") = "9"
    & skf18("5","10","10","1","1","10","1") = "9"
    & skf18("5","10","10","1","2","1","1") = "9"
    & skf18("5","10","10","1","2","2","1") = "9"
    & skf18("5","10","10","1","2","3","1") = "9"
    & skf18("5","10","10","1","2","4","1") = "9"
    & skf18("5","10","10","1","2","5","1") = "9"
    & skf18("5","10","10","1","2","6","1") = "9"
    & skf18("5","10","10","1","2","7","1") = "9"
    & skf18("5","10","10","1","2","8","1") = "9"
    & skf18("5","10","10","1","2","9","1") = "9"
    & skf18("5","10","10","1","2","10","1") = "9"
    & skf18("5","10","10","1","3","1","1") = "9"
    & skf18("5","10","10","1","3","2","1") = "9"
    & skf18("5","10","10","1","3","3","1") = "9"
    & skf18("5","10","10","1","3","4","1") = "9"
    & skf18("5","10","10","1","3","5","1") = "9"
    & skf18("5","10","10","1","3","6","1") = "9"
    & skf18("5","10","10","1","3","7","1") = "9"
    & skf18("5","10","10","1","3","8","1") = "9"
    & skf18("5","10","10","1","3","9","1") = "9"
    & skf18("5","10","10","1","3","10","1") = "9"
    & skf18("5","10","10","1","4","1","1") = "9"
    & skf18("5","10","10","1","4","2","1") = "9"
    & skf18("5","10","10","1","4","3","1") = "9"
    & skf18("5","10","10","1","4","4","1") = "9"
    & skf18("5","10","10","1","4","5","1") = "9"
    & skf18("5","10","10","1","4","6","1") = "9"
    & skf18("5","10","10","1","4","7","1") = "9"
    & skf18("5","10","10","1","4","8","1") = "9"
    & skf18("5","10","10","1","4","9","1") = "9"
    & skf18("5","10","10","1","4","10","1") = "9"
    & skf18("5","10","10","1","5","1","1") = "9"
    & skf18("5","10","10","1","5","2","1") = "9"
    & skf18("5","10","10","1","5","3","1") = "9"
    & skf18("5","10","10","1","5","4","1") = "9"
    & skf18("5","10","10","1","5","5","1") = "9"
    & skf18("5","10","10","1","5","6","1") = "9"
    & skf18("5","10","10","1","5","7","1") = "9"
    & skf18("5","10","10","1","5","8","1") = "9"
    & skf18("5","10","10","1","5","9","1") = "9"
    & skf18("5","10","10","1","5","10","1") = "9"
    & skf18("5","10","10","1","6","1","1") = "9"
    & skf18("5","10","10","1","6","2","1") = "9"
    & skf18("5","10","10","1","6","3","1") = "9"
    & skf18("5","10","10","1","6","4","1") = "9"
    & skf18("5","10","10","1","6","5","1") = "9"
    & skf18("5","10","10","1","6","6","1") = "9"
    & skf18("5","10","10","1","6","7","1") = "9"
    & skf18("5","10","10","1","6","8","1") = "9"
    & skf18("5","10","10","1","6","9","1") = "9"
    & skf18("5","10","10","1","6","10","1") = "9"
    & skf18("5","10","10","1","7","1","1") = "9"
    & skf18("5","10","10","1","7","2","1") = "9"
    & skf18("5","10","10","1","7","3","1") = "9"
    & skf18("5","10","10","1","7","4","1") = "9"
    & skf18("5","10","10","1","7","5","1") = "9"
    & skf18("5","10","10","1","7","6","1") = "9"
    & skf18("5","10","10","1","7","7","1") = "9"
    & skf18("5","10","10","1","7","8","1") = "9"
    & skf18("5","10","10","1","7","9","1") = "9"
    & skf18("5","10","10","1","7","10","1") = "9"
    & skf18("5","10","10","1","8","1","1") = "9"
    & skf18("5","10","10","1","8","2","1") = "9"
    & skf18("5","10","10","1","8","3","1") = "9"
    & skf18("5","10","10","1","8","4","1") = "9"
    & skf18("5","10","10","1","8","5","1") = "9"
    & skf18("5","10","10","1","8","6","1") = "9"
    & skf18("5","10","10","1","8","7","1") = "9"
    & skf18("5","10","10","1","8","8","1") = "9"
    & skf18("5","10","10","1","8","9","1") = "9"
    & skf18("5","10","10","1","8","10","1") = "9"
    & skf18("5","10","10","1","9","1","1") = "9"
    & skf18("5","10","10","1","9","2","1") = "9"
    & skf18("5","10","10","1","9","3","1") = "9"
    & skf18("5","10","10","1","9","4","1") = "9"
    & skf18("5","10","10","1","9","5","1") = "9"
    & skf18("5","10","10","1","9","6","1") = "9"
    & skf18("5","10","10","1","9","7","1") = "9"
    & skf18("5","10","10","1","9","8","1") = "9"
    & skf18("5","10","10","1","9","9","1") = "9"
    & skf18("5","10","10","1","9","10","1") = "9"
    & skf18("5","10","10","1","10","1","1") = "9"
    & skf18("5","10","10","1","10","2","1") = "9"
    & skf18("5","10","10","1","10","3","1") = "9"
    & skf18("5","10","10","1","10","4","1") = "9"
    & skf18("5","10","10","1","10","5","1") = "9"
    & skf18("5","10","10","1","10","6","1") = "9"
    & skf18("5","10","10","1","10","7","1") = "9"
    & skf18("5","10","10","1","10","8","1") = "9"
    & skf18("5","10","10","1","10","9","1") = "9"
    & skf18("5","10","10","1","10","10","1") = "9"
    & skf18("5","10","10","2","1","1","1") = "9"
    & skf18("5","10","10","2","1","2","1") = "9"
    & skf18("5","10","10","2","1","3","1") = "9"
    & skf18("5","10","10","2","1","4","1") = "9"
    & skf18("5","10","10","2","1","5","1") = "9"
    & skf18("5","10","10","2","1","6","1") = "9"
    & skf18("5","10","10","2","1","7","1") = "9"
    & skf18("5","10","10","2","1","8","1") = "9"
    & skf18("5","10","10","2","1","9","1") = "9"
    & skf18("5","10","10","2","1","10","1") = "9"
    & skf18("5","10","10","2","2","1","1") = "9"
    & skf18("5","10","10","2","2","2","1") = "9"
    & skf18("5","10","10","2","2","3","1") = "9"
    & skf18("5","10","10","2","2","4","1") = "9"
    & skf18("5","10","10","2","2","5","1") = "9"
    & skf18("5","10","10","2","2","6","1") = "9"
    & skf18("5","10","10","2","2","7","1") = "9"
    & skf18("5","10","10","2","2","8","1") = "9"
    & skf18("5","10","10","2","2","9","1") = "9"
    & skf18("5","10","10","2","2","10","1") = "9"
    & skf18("5","10","10","2","3","1","1") = "9"
    & skf18("5","10","10","2","3","2","1") = "9"
    & skf18("5","10","10","2","3","3","1") = "9"
    & skf18("5","10","10","2","3","4","1") = "9"
    & skf18("5","10","10","2","3","5","1") = "9"
    & skf18("5","10","10","2","3","6","1") = "9"
    & skf18("5","10","10","2","3","7","1") = "9"
    & skf18("5","10","10","2","3","8","1") = "9"
    & skf18("5","10","10","2","3","9","1") = "9"
    & skf18("5","10","10","2","3","10","1") = "9"
    & skf18("5","10","10","2","4","1","1") = "9"
    & skf18("5","10","10","2","4","2","1") = "9"
    & skf18("5","10","10","2","4","3","1") = "9"
    & skf18("5","10","10","2","4","4","1") = "9"
    & skf18("5","10","10","2","4","5","1") = "9"
    & skf18("5","10","10","2","4","6","1") = "9"
    & skf18("5","10","10","2","4","7","1") = "9"
    & skf18("5","10","10","2","4","8","1") = "9"
    & skf18("5","10","10","2","4","9","1") = "9"
    & skf18("5","10","10","2","4","10","1") = "9"
    & skf18("5","10","10","2","5","1","1") = "9"
    & skf18("5","10","10","2","5","2","1") = "9"
    & skf18("5","10","10","2","5","3","1") = "9"
    & skf18("5","10","10","2","5","4","1") = "9"
    & skf18("5","10","10","2","5","5","1") = "9"
    & skf18("5","10","10","2","5","6","1") = "9"
    & skf18("5","10","10","2","5","7","1") = "9"
    & skf18("5","10","10","2","5","8","1") = "9"
    & skf18("5","10","10","2","5","9","1") = "9"
    & skf18("5","10","10","2","5","10","1") = "9"
    & skf18("5","10","10","2","6","1","1") = "9"
    & skf18("5","10","10","2","6","2","1") = "9"
    & skf18("5","10","10","2","6","3","1") = "9"
    & skf18("5","10","10","2","6","4","1") = "9"
    & skf18("5","10","10","2","6","5","1") = "9"
    & skf18("5","10","10","2","6","6","1") = "9"
    & skf18("5","10","10","2","6","7","1") = "9"
    & skf18("5","10","10","2","6","8","1") = "9"
    & skf18("5","10","10","2","6","9","1") = "9"
    & skf18("5","10","10","2","6","10","1") = "9"
    & skf18("5","10","10","2","7","1","1") = "9"
    & skf18("5","10","10","2","7","2","1") = "9"
    & skf18("5","10","10","2","7","3","1") = "9"
    & skf18("5","10","10","2","7","4","1") = "9"
    & skf18("5","10","10","2","7","5","1") = "9"
    & skf18("5","10","10","2","7","6","1") = "9"
    & skf18("5","10","10","2","7","7","1") = "9"
    & skf18("5","10","10","2","7","8","1") = "9"
    & skf18("5","10","10","2","7","9","1") = "9"
    & skf18("5","10","10","2","7","10","1") = "9"
    & skf18("5","10","10","2","8","1","1") = "9"
    & skf18("5","10","10","2","8","2","1") = "9"
    & skf18("5","10","10","2","8","3","1") = "9"
    & skf18("5","10","10","2","8","4","1") = "9"
    & skf18("5","10","10","2","8","5","1") = "9"
    & skf18("5","10","10","2","8","6","1") = "9"
    & skf18("5","10","10","2","8","7","1") = "9"
    & skf18("5","10","10","2","8","8","1") = "9"
    & skf18("5","10","10","2","8","9","1") = "9"
    & skf18("5","10","10","2","8","10","1") = "9"
    & skf18("5","10","10","2","9","1","1") = "9"
    & skf18("5","10","10","2","9","2","1") = "9"
    & skf18("5","10","10","2","9","3","1") = "9"
    & skf18("5","10","10","2","9","4","1") = "9"
    & skf18("5","10","10","2","9","5","1") = "9"
    & skf18("5","10","10","2","9","6","1") = "9"
    & skf18("5","10","10","2","9","7","1") = "9"
    & skf18("5","10","10","2","9","8","1") = "9"
    & skf18("5","10","10","2","9","9","1") = "9"
    & skf18("5","10","10","2","9","10","1") = "9"
    & skf18("5","10","10","2","10","1","1") = "9"
    & skf18("5","10","10","2","10","2","1") = "9"
    & skf18("5","10","10","2","10","3","1") = "9"
    & skf18("5","10","10","2","10","4","1") = "9"
    & skf18("5","10","10","2","10","5","1") = "9"
    & skf18("5","10","10","2","10","6","1") = "9"
    & skf18("5","10","10","2","10","7","1") = "9"
    & skf18("5","10","10","2","10","8","1") = "9"
    & skf18("5","10","10","2","10","9","1") = "9"
    & skf18("5","10","10","2","10","10","1") = "9"
    & skf18("5","10","10","3","1","1","1") = "9"
    & skf18("5","10","10","3","1","2","1") = "9"
    & skf18("5","10","10","3","1","3","1") = "9"
    & skf18("5","10","10","3","1","4","1") = "9"
    & skf18("5","10","10","3","1","5","1") = "9"
    & skf18("5","10","10","3","1","6","1") = "9"
    & skf18("5","10","10","3","1","7","1") = "9"
    & skf18("5","10","10","3","1","8","1") = "9"
    & skf18("5","10","10","3","1","9","1") = "9"
    & skf18("5","10","10","3","1","10","1") = "9"
    & skf18("5","10","10","3","2","1","1") = "9"
    & skf18("5","10","10","3","2","2","1") = "9"
    & skf18("5","10","10","3","2","3","1") = "9"
    & skf18("5","10","10","3","2","4","1") = "9"
    & skf18("5","10","10","3","2","5","1") = "9"
    & skf18("5","10","10","3","2","6","1") = "9"
    & skf18("5","10","10","3","2","7","1") = "9"
    & skf18("5","10","10","3","2","8","1") = "9"
    & skf18("5","10","10","3","2","9","1") = "9"
    & skf18("5","10","10","3","2","10","1") = "9"
    & skf18("5","10","10","3","3","1","1") = "9"
    & skf18("5","10","10","3","3","2","1") = "9"
    & skf18("5","10","10","3","3","3","1") = "9"
    & skf18("5","10","10","3","3","4","1") = "9"
    & skf18("5","10","10","3","3","5","1") = "9"
    & skf18("5","10","10","3","3","6","1") = "9"
    & skf18("5","10","10","3","3","7","1") = "9"
    & skf18("5","10","10","3","3","8","1") = "9"
    & skf18("5","10","10","3","3","9","1") = "9"
    & skf18("5","10","10","3","3","10","1") = "9"
    & skf18("5","10","10","3","4","1","1") = "9"
    & skf18("5","10","10","3","4","2","1") = "9"
    & skf18("5","10","10","3","4","3","1") = "9"
    & skf18("5","10","10","3","4","4","1") = "9"
    & skf18("5","10","10","3","4","5","1") = "9"
    & skf18("5","10","10","3","4","6","1") = "9"
    & skf18("5","10","10","3","4","7","1") = "9"
    & skf18("5","10","10","3","4","8","1") = "9"
    & skf18("5","10","10","3","4","9","1") = "9"
    & skf18("5","10","10","3","4","10","1") = "9"
    & skf18("5","10","10","3","5","1","1") = "9"
    & skf18("5","10","10","3","5","2","1") = "9"
    & skf18("5","10","10","3","5","3","1") = "9"
    & skf18("5","10","10","3","5","4","1") = "9"
    & skf18("5","10","10","3","5","5","1") = "9"
    & skf18("5","10","10","3","5","6","1") = "9"
    & skf18("5","10","10","3","5","7","1") = "9"
    & skf18("5","10","10","3","5","8","1") = "9"
    & skf18("5","10","10","3","5","9","1") = "9"
    & skf18("5","10","10","3","5","10","1") = "9"
    & skf18("5","10","10","3","6","1","1") = "9"
    & skf18("5","10","10","3","6","2","1") = "9"
    & skf18("5","10","10","3","6","3","1") = "9"
    & skf18("5","10","10","3","6","4","1") = "9"
    & skf18("5","10","10","3","6","5","1") = "9"
    & skf18("5","10","10","3","6","6","1") = "9"
    & skf18("5","10","10","3","6","7","1") = "9"
    & skf18("5","10","10","3","6","8","1") = "9"
    & skf18("5","10","10","3","6","9","1") = "9"
    & skf18("5","10","10","3","6","10","1") = "9"
    & skf18("5","10","10","3","7","1","1") = "9"
    & skf18("5","10","10","3","7","2","1") = "9"
    & skf18("5","10","10","3","7","3","1") = "9"
    & skf18("5","10","10","3","7","4","1") = "9"
    & skf18("5","10","10","3","7","5","1") = "9"
    & skf18("5","10","10","3","7","6","1") = "9"
    & skf18("5","10","10","3","7","7","1") = "9"
    & skf18("5","10","10","3","7","8","1") = "9"
    & skf18("5","10","10","3","7","9","1") = "9"
    & skf18("5","10","10","3","7","10","1") = "9"
    & skf18("5","10","10","3","8","1","1") = "9"
    & skf18("5","10","10","3","8","2","1") = "9"
    & skf18("5","10","10","3","8","3","1") = "9"
    & skf18("5","10","10","3","8","4","1") = "9"
    & skf18("5","10","10","3","8","5","1") = "9"
    & skf18("5","10","10","3","8","6","1") = "9"
    & skf18("5","10","10","3","8","7","1") = "9"
    & skf18("5","10","10","3","8","8","1") = "9"
    & skf18("5","10","10","3","8","9","1") = "9"
    & skf18("5","10","10","3","8","10","1") = "9"
    & skf18("5","10","10","3","9","1","1") = "9"
    & skf18("5","10","10","3","9","2","1") = "9"
    & skf18("5","10","10","3","9","3","1") = "9"
    & skf18("5","10","10","3","9","4","1") = "9"
    & skf18("5","10","10","3","9","5","1") = "9"
    & skf18("5","10","10","3","9","6","1") = "9"
    & skf18("5","10","10","3","9","7","1") = "9"
    & skf18("5","10","10","3","9","8","1") = "9"
    & skf18("5","10","10","3","9","9","1") = "9"
    & skf18("5","10","10","3","9","10","1") = "9"
    & skf18("5","10","10","3","10","1","1") = "9"
    & skf18("5","10","10","3","10","2","1") = "9"
    & skf18("5","10","10","3","10","3","1") = "9"
    & skf18("5","10","10","3","10","4","1") = "9"
    & skf18("5","10","10","3","10","5","1") = "9"
    & skf18("5","10","10","3","10","6","1") = "9"
    & skf18("5","10","10","3","10","7","1") = "9"
    & skf18("5","10","10","3","10","8","1") = "9"
    & skf18("5","10","10","3","10","9","1") = "9"
    & skf18("5","10","10","3","10","10","1") = "9"
    & skf18("5","10","10","4","1","1","1") = "9"
    & skf18("5","10","10","4","1","2","1") = "9"
    & skf18("5","10","10","4","1","3","1") = "9"
    & skf18("5","10","10","4","1","4","1") = "9"
    & skf18("5","10","10","4","1","5","1") = "9"
    & skf18("5","10","10","4","1","6","1") = "9"
    & skf18("5","10","10","4","1","7","1") = "9"
    & skf18("5","10","10","4","1","8","1") = "9"
    & skf18("5","10","10","4","1","9","1") = "9"
    & skf18("5","10","10","4","1","10","1") = "9"
    & skf18("5","10","10","4","2","1","1") = "9"
    & skf18("5","10","10","4","2","2","1") = "9"
    & skf18("5","10","10","4","2","3","1") = "9"
    & skf18("5","10","10","4","2","4","1") = "9"
    & skf18("5","10","10","4","2","5","1") = "9"
    & skf18("5","10","10","4","2","6","1") = "9"
    & skf18("5","10","10","4","2","7","1") = "9"
    & skf18("5","10","10","4","2","8","1") = "9"
    & skf18("5","10","10","4","2","9","1") = "9"
    & skf18("5","10","10","4","2","10","1") = "9"
    & skf18("5","10","10","4","3","1","1") = "9"
    & skf18("5","10","10","4","3","2","1") = "9"
    & skf18("5","10","10","4","3","3","1") = "9"
    & skf18("5","10","10","4","3","4","1") = "9"
    & skf18("5","10","10","4","3","5","1") = "9"
    & skf18("5","10","10","4","3","6","1") = "9"
    & skf18("5","10","10","4","3","7","1") = "9"
    & skf18("5","10","10","4","3","8","1") = "9"
    & skf18("5","10","10","4","3","9","1") = "9"
    & skf18("5","10","10","4","3","10","1") = "9"
    & skf18("5","10","10","4","4","1","1") = "9"
    & skf18("5","10","10","4","4","2","1") = "9"
    & skf18("5","10","10","4","4","3","1") = "9"
    & skf18("5","10","10","4","4","4","1") = "9"
    & skf18("5","10","10","4","4","5","1") = "9"
    & skf18("5","10","10","4","4","6","1") = "9"
    & skf18("5","10","10","4","4","7","1") = "9"
    & skf18("5","10","10","4","4","8","1") = "9"
    & skf18("5","10","10","4","4","9","1") = "9"
    & skf18("5","10","10","4","4","10","1") = "9"
    & skf18("5","10","10","4","5","1","1") = "9"
    & skf18("5","10","10","4","5","2","1") = "9"
    & skf18("5","10","10","4","5","3","1") = "9"
    & skf18("5","10","10","4","5","4","1") = "9"
    & skf18("5","10","10","4","5","5","1") = "9"
    & skf18("5","10","10","4","5","6","1") = "9"
    & skf18("5","10","10","4","5","7","1") = "9"
    & skf18("5","10","10","4","5","8","1") = "9"
    & skf18("5","10","10","4","5","9","1") = "9"
    & skf18("5","10","10","4","5","10","1") = "9"
    & skf18("5","10","10","4","6","1","1") = "9"
    & skf18("5","10","10","4","6","2","1") = "9"
    & skf18("5","10","10","4","6","3","1") = "9"
    & skf18("5","10","10","4","6","4","1") = "9"
    & skf18("5","10","10","4","6","5","1") = "9"
    & skf18("5","10","10","4","6","6","1") = "9"
    & skf18("5","10","10","4","6","7","1") = "9"
    & skf18("5","10","10","4","6","8","1") = "9"
    & skf18("5","10","10","4","6","9","1") = "9"
    & skf18("5","10","10","4","6","10","1") = "9"
    & skf18("5","10","10","4","7","1","1") = "9"
    & skf18("5","10","10","4","7","2","1") = "9"
    & skf18("5","10","10","4","7","3","1") = "9"
    & skf18("5","10","10","4","7","4","1") = "9"
    & skf18("5","10","10","4","7","5","1") = "9"
    & skf18("5","10","10","4","7","6","1") = "9"
    & skf18("5","10","10","4","7","7","1") = "9"
    & skf18("5","10","10","4","7","8","1") = "9"
    & skf18("5","10","10","4","7","9","1") = "9"
    & skf18("5","10","10","4","7","10","1") = "9"
    & skf18("5","10","10","4","8","1","1") = "9"
    & skf18("5","10","10","4","8","2","1") = "9"
    & skf18("5","10","10","4","8","3","1") = "9"
    & skf18("5","10","10","4","8","4","1") = "9"
    & skf18("5","10","10","4","8","5","1") = "9"
    & skf18("5","10","10","4","8","6","1") = "9"
    & skf18("5","10","10","4","8","7","1") = "9"
    & skf18("5","10","10","4","8","8","1") = "9"
    & skf18("5","10","10","4","8","9","1") = "9"
    & skf18("5","10","10","4","8","10","1") = "9"
    & skf18("5","10","10","4","9","1","1") = "9"
    & skf18("5","10","10","4","9","2","1") = "9"
    & skf18("5","10","10","4","9","3","1") = "9"
    & skf18("5","10","10","4","9","4","1") = "9"
    & skf18("5","10","10","4","9","5","1") = "9"
    & skf18("5","10","10","4","9","6","1") = "9"
    & skf18("5","10","10","4","9","7","1") = "9"
    & skf18("5","10","10","4","9","8","1") = "9"
    & skf18("5","10","10","4","9","9","1") = "9"
    & skf18("5","10","10","4","9","10","1") = "9"
    & skf18("5","10","10","4","10","1","1") = "9"
    & skf18("5","10","10","4","10","2","1") = "9"
    & skf18("5","10","10","4","10","3","1") = "9"
    & skf18("5","10","10","4","10","4","1") = "9"
    & skf18("5","10","10","4","10","5","1") = "9"
    & skf18("5","10","10","4","10","6","1") = "9"
    & skf18("5","10","10","4","10","7","1") = "9"
    & skf18("5","10","10","4","10","8","1") = "9"
    & skf18("5","10","10","4","10","9","1") = "9"
    & skf18("5","10","10","4","10","10","1") = "9"
    & skf18("5","10","10","5","1","1","1") = "9"
    & skf18("5","10","10","5","1","2","1") = "9"
    & skf18("5","10","10","5","1","3","1") = "9"
    & skf18("5","10","10","5","1","4","1") = "9"
    & skf18("5","10","10","5","1","5","1") = "9"
    & skf18("5","10","10","5","1","6","1") = "9"
    & skf18("5","10","10","5","1","7","1") = "9"
    & skf18("5","10","10","5","1","8","1") = "9"
    & skf18("5","10","10","5","1","9","1") = "9"
    & skf18("5","10","10","5","1","10","1") = "9"
    & skf18("5","10","10","5","2","1","1") = "9"
    & skf18("5","10","10","5","2","2","1") = "9"
    & skf18("5","10","10","5","2","3","1") = "9"
    & skf18("5","10","10","5","2","4","1") = "9"
    & skf18("5","10","10","5","2","5","1") = "9"
    & skf18("5","10","10","5","2","6","1") = "9"
    & skf18("5","10","10","5","2","7","1") = "9"
    & skf18("5","10","10","5","2","8","1") = "9"
    & skf18("5","10","10","5","2","9","1") = "9"
    & skf18("5","10","10","5","2","10","1") = "9"
    & skf18("5","10","10","5","3","1","1") = "9"
    & skf18("5","10","10","5","3","2","1") = "9"
    & skf18("5","10","10","5","3","3","1") = "9"
    & skf18("5","10","10","5","3","4","1") = "9"
    & skf18("5","10","10","5","3","5","1") = "9"
    & skf18("5","10","10","5","3","6","1") = "9"
    & skf18("5","10","10","5","3","7","1") = "9"
    & skf18("5","10","10","5","3","8","1") = "9"
    & skf18("5","10","10","5","3","9","1") = "9"
    & skf18("5","10","10","5","3","10","1") = "9"
    & skf18("5","10","10","5","4","1","1") = "9"
    & skf18("5","10","10","5","4","2","1") = "9"
    & skf18("5","10","10","5","4","3","1") = "9"
    & skf18("5","10","10","5","4","4","1") = "9"
    & skf18("5","10","10","5","4","5","1") = "9"
    & skf18("5","10","10","5","4","6","1") = "9"
    & skf18("5","10","10","5","4","7","1") = "9"
    & skf18("5","10","10","5","4","8","1") = "9"
    & skf18("5","10","10","5","4","9","1") = "9"
    & skf18("5","10","10","5","4","10","1") = "9"
    & skf18("5","10","10","5","5","1","1") = "9"
    & skf18("5","10","10","5","5","2","1") = "9"
    & skf18("5","10","10","5","5","3","1") = "9"
    & skf18("5","10","10","5","5","4","1") = "9"
    & skf18("5","10","10","5","5","5","1") = "9"
    & skf18("5","10","10","5","5","6","1") = "9"
    & skf18("5","10","10","5","5","7","1") = "9"
    & skf18("5","10","10","5","5","8","1") = "9"
    & skf18("5","10","10","5","5","9","1") = "9"
    & skf18("5","10","10","5","5","10","1") = "9"
    & skf18("5","10","10","5","6","1","1") = "9"
    & skf18("5","10","10","5","6","2","1") = "9"
    & skf18("5","10","10","5","6","3","1") = "9"
    & skf18("5","10","10","5","6","4","1") = "9"
    & skf18("5","10","10","5","6","5","1") = "9"
    & skf18("5","10","10","5","6","6","1") = "9"
    & skf18("5","10","10","5","6","7","1") = "9"
    & skf18("5","10","10","5","6","8","1") = "9"
    & skf18("5","10","10","5","6","9","1") = "9"
    & skf18("5","10","10","5","6","10","1") = "9"
    & skf18("5","10","10","5","7","1","1") = "9"
    & skf18("5","10","10","5","7","2","1") = "9"
    & skf18("5","10","10","5","7","3","1") = "9"
    & skf18("5","10","10","5","7","4","1") = "9"
    & skf18("5","10","10","5","7","5","1") = "9"
    & skf18("5","10","10","5","7","6","1") = "9"
    & skf18("5","10","10","5","7","7","1") = "9"
    & skf18("5","10","10","5","7","8","1") = "9"
    & skf18("5","10","10","5","7","9","1") = "9"
    & skf18("5","10","10","5","7","10","1") = "9"
    & skf18("5","10","10","5","8","1","1") = "9"
    & skf18("5","10","10","5","8","2","1") = "9"
    & skf18("5","10","10","5","8","3","1") = "9"
    & skf18("5","10","10","5","8","4","1") = "9"
    & skf18("5","10","10","5","8","5","1") = "9"
    & skf18("5","10","10","5","8","6","1") = "9"
    & skf18("5","10","10","5","8","7","1") = "9"
    & skf18("5","10","10","5","8","8","1") = "9"
    & skf18("5","10","10","5","8","9","1") = "9"
    & skf18("5","10","10","5","8","10","1") = "9"
    & skf18("5","10","10","5","9","1","1") = "9"
    & skf18("5","10","10","5","9","2","1") = "9"
    & skf18("5","10","10","5","9","3","1") = "9"
    & skf18("5","10","10","5","9","4","1") = "9"
    & skf18("5","10","10","5","9","5","1") = "9"
    & skf18("5","10","10","5","9","6","1") = "9"
    & skf18("5","10","10","5","9","7","1") = "9"
    & skf18("5","10","10","5","9","8","1") = "9"
    & skf18("5","10","10","5","9","9","1") = "9"
    & skf18("5","10","10","5","9","10","1") = "9"
    & skf18("5","10","10","5","10","1","1") = "9"
    & skf18("5","10","10","5","10","2","1") = "9"
    & skf18("5","10","10","5","10","3","1") = "9"
    & skf18("5","10","10","5","10","4","1") = "9"
    & skf18("5","10","10","5","10","5","1") = "9"
    & skf18("5","10","10","5","10","6","1") = "9"
    & skf18("5","10","10","5","10","7","1") = "9"
    & skf18("5","10","10","5","10","8","1") = "9"
    & skf18("5","10","10","5","10","9","1") = "9"
    & skf18("5","10","10","5","10","10","1") = "9"
    & skf18("5","10","10","6","1","1","1") = "9"
    & skf18("5","10","10","6","1","2","1") = "9"
    & skf18("5","10","10","6","1","3","1") = "9"
    & skf18("5","10","10","6","1","4","1") = "9"
    & skf18("5","10","10","6","1","5","1") = "9"
    & skf18("5","10","10","6","1","6","1") = "9"
    & skf18("5","10","10","6","1","7","1") = "9"
    & skf18("5","10","10","6","1","8","1") = "9"
    & skf18("5","10","10","6","1","9","1") = "9"
    & skf18("5","10","10","6","1","10","1") = "9"
    & skf18("5","10","10","6","2","1","1") = "9"
    & skf18("5","10","10","6","2","2","1") = "9"
    & skf18("5","10","10","6","2","3","1") = "9"
    & skf18("5","10","10","6","2","4","1") = "9"
    & skf18("5","10","10","6","2","5","1") = "9"
    & skf18("5","10","10","6","2","6","1") = "9"
    & skf18("5","10","10","6","2","7","1") = "9"
    & skf18("5","10","10","6","2","8","1") = "9"
    & skf18("5","10","10","6","2","9","1") = "9"
    & skf18("5","10","10","6","2","10","1") = "9"
    & skf18("5","10","10","6","3","1","1") = "9"
    & skf18("5","10","10","6","3","2","1") = "9"
    & skf18("5","10","10","6","3","3","1") = "9"
    & skf18("5","10","10","6","3","4","1") = "9"
    & skf18("5","10","10","6","3","5","1") = "9"
    & skf18("5","10","10","6","3","6","1") = "9"
    & skf18("5","10","10","6","3","7","1") = "9"
    & skf18("5","10","10","6","3","8","1") = "9"
    & skf18("5","10","10","6","3","9","1") = "9"
    & skf18("5","10","10","6","3","10","1") = "9"
    & skf18("5","10","10","6","4","1","1") = "9"
    & skf18("5","10","10","6","4","2","1") = "9"
    & skf18("5","10","10","6","4","3","1") = "9"
    & skf18("5","10","10","6","4","4","1") = "9"
    & skf18("5","10","10","6","4","5","1") = "9"
    & skf18("5","10","10","6","4","6","1") = "9"
    & skf18("5","10","10","6","4","7","1") = "9"
    & skf18("5","10","10","6","4","8","1") = "9"
    & skf18("5","10","10","6","4","9","1") = "9"
    & skf18("5","10","10","6","4","10","1") = "9"
    & skf18("5","10","10","6","5","1","1") = "9"
    & skf18("5","10","10","6","5","2","1") = "9"
    & skf18("5","10","10","6","5","3","1") = "9"
    & skf18("5","10","10","6","5","4","1") = "9"
    & skf18("5","10","10","6","5","5","1") = "9"
    & skf18("5","10","10","6","5","6","1") = "9"
    & skf18("5","10","10","6","5","7","1") = "9"
    & skf18("5","10","10","6","5","8","1") = "9"
    & skf18("5","10","10","6","5","9","1") = "9"
    & skf18("5","10","10","6","5","10","1") = "9"
    & skf18("5","10","10","6","6","1","1") = "9"
    & skf18("5","10","10","6","6","2","1") = "9"
    & skf18("5","10","10","6","6","3","1") = "9"
    & skf18("5","10","10","6","6","4","1") = "9"
    & skf18("5","10","10","6","6","5","1") = "9"
    & skf18("5","10","10","6","6","6","1") = "9"
    & skf18("5","10","10","6","6","7","1") = "9"
    & skf18("5","10","10","6","6","8","1") = "9"
    & skf18("5","10","10","6","6","9","1") = "9"
    & skf18("5","10","10","6","6","10","1") = "9"
    & skf18("5","10","10","6","7","1","1") = "9"
    & skf18("5","10","10","6","7","2","1") = "9"
    & skf18("5","10","10","6","7","3","1") = "9"
    & skf18("5","10","10","6","7","4","1") = "9"
    & skf18("5","10","10","6","7","5","1") = "9"
    & skf18("5","10","10","6","7","6","1") = "9"
    & skf18("5","10","10","6","7","7","1") = "9"
    & skf18("5","10","10","6","7","8","1") = "9"
    & skf18("5","10","10","6","7","9","1") = "9"
    & skf18("5","10","10","6","7","10","1") = "9"
    & skf18("5","10","10","6","8","1","1") = "9"
    & skf18("5","10","10","6","8","2","1") = "9"
    & skf18("5","10","10","6","8","3","1") = "9"
    & skf18("5","10","10","6","8","4","1") = "9"
    & skf18("5","10","10","6","8","5","1") = "9"
    & skf18("5","10","10","6","8","6","1") = "9"
    & skf18("5","10","10","6","8","7","1") = "9"
    & skf18("5","10","10","6","8","8","1") = "9"
    & skf18("5","10","10","6","8","9","1") = "9"
    & skf18("5","10","10","6","8","10","1") = "9"
    & skf18("5","10","10","6","9","1","1") = "9"
    & skf18("5","10","10","6","9","2","1") = "9"
    & skf18("5","10","10","6","9","3","1") = "9"
    & skf18("5","10","10","6","9","4","1") = "9"
    & skf18("5","10","10","6","9","5","1") = "9"
    & skf18("5","10","10","6","9","6","1") = "9"
    & skf18("5","10","10","6","9","7","1") = "9"
    & skf18("5","10","10","6","9","8","1") = "9"
    & skf18("5","10","10","6","9","9","1") = "9"
    & skf18("5","10","10","6","9","10","1") = "9"
    & skf18("5","10","10","6","10","1","1") = "9"
    & skf18("5","10","10","6","10","2","1") = "9"
    & skf18("5","10","10","6","10","3","1") = "9"
    & skf18("5","10","10","6","10","4","1") = "9"
    & skf18("5","10","10","6","10","5","1") = "9"
    & skf18("5","10","10","6","10","6","1") = "9"
    & skf18("5","10","10","6","10","7","1") = "9"
    & skf18("5","10","10","6","10","8","1") = "9"
    & skf18("5","10","10","6","10","9","1") = "9"
    & skf18("5","10","10","6","10","10","1") = "9"
    & skf18("5","10","10","7","1","1","1") = "9"
    & skf18("5","10","10","7","1","2","1") = "9"
    & skf18("5","10","10","7","1","3","1") = "9"
    & skf18("5","10","10","7","1","4","1") = "9"
    & skf18("5","10","10","7","1","5","1") = "9"
    & skf18("5","10","10","7","1","6","1") = "9"
    & skf18("5","10","10","7","1","7","1") = "9"
    & skf18("5","10","10","7","1","8","1") = "9"
    & skf18("5","10","10","7","1","9","1") = "9"
    & skf18("5","10","10","7","1","10","1") = "9"
    & skf18("5","10","10","7","2","1","1") = "9"
    & skf18("5","10","10","7","2","2","1") = "9"
    & skf18("5","10","10","7","2","3","1") = "9"
    & skf18("5","10","10","7","2","4","1") = "9"
    & skf18("5","10","10","7","2","5","1") = "9"
    & skf18("5","10","10","7","2","6","1") = "9"
    & skf18("5","10","10","7","2","7","1") = "9"
    & skf18("5","10","10","7","2","8","1") = "9"
    & skf18("5","10","10","7","2","9","1") = "9"
    & skf18("5","10","10","7","2","10","1") = "9"
    & skf18("5","10","10","7","3","1","1") = "9"
    & skf18("5","10","10","7","3","2","1") = "9"
    & skf18("5","10","10","7","3","3","1") = "9"
    & skf18("5","10","10","7","3","4","1") = "9"
    & skf18("5","10","10","7","3","5","1") = "9"
    & skf18("5","10","10","7","3","6","1") = "9"
    & skf18("5","10","10","7","3","7","1") = "9"
    & skf18("5","10","10","7","3","8","1") = "9"
    & skf18("5","10","10","7","3","9","1") = "9"
    & skf18("5","10","10","7","3","10","1") = "9"
    & skf18("5","10","10","7","4","1","1") = "9"
    & skf18("5","10","10","7","4","2","1") = "9"
    & skf18("5","10","10","7","4","3","1") = "9"
    & skf18("5","10","10","7","4","4","1") = "9"
    & skf18("5","10","10","7","4","5","1") = "9"
    & skf18("5","10","10","7","4","6","1") = "9"
    & skf18("5","10","10","7","4","7","1") = "9"
    & skf18("5","10","10","7","4","8","1") = "9"
    & skf18("5","10","10","7","4","9","1") = "9"
    & skf18("5","10","10","7","4","10","1") = "9"
    & skf18("5","10","10","7","5","1","1") = "9"
    & skf18("5","10","10","7","5","2","1") = "9"
    & skf18("5","10","10","7","5","3","1") = "9"
    & skf18("5","10","10","7","5","4","1") = "9"
    & skf18("5","10","10","7","5","5","1") = "9"
    & skf18("5","10","10","7","5","6","1") = "9"
    & skf18("5","10","10","7","5","7","1") = "9"
    & skf18("5","10","10","7","5","8","1") = "9"
    & skf18("5","10","10","7","5","9","1") = "9"
    & skf18("5","10","10","7","5","10","1") = "9"
    & skf18("5","10","10","7","6","1","1") = "9"
    & skf18("5","10","10","7","6","2","1") = "9"
    & skf18("5","10","10","7","6","3","1") = "9"
    & skf18("5","10","10","7","6","4","1") = "9"
    & skf18("5","10","10","7","6","5","1") = "9"
    & skf18("5","10","10","7","6","6","1") = "9"
    & skf18("5","10","10","7","6","7","1") = "9"
    & skf18("5","10","10","7","6","8","1") = "9"
    & skf18("5","10","10","7","6","9","1") = "9"
    & skf18("5","10","10","7","6","10","1") = "9"
    & skf18("5","10","10","7","7","1","1") = "9"
    & skf18("5","10","10","7","7","2","1") = "9"
    & skf18("5","10","10","7","7","3","1") = "9"
    & skf18("5","10","10","7","7","4","1") = "9"
    & skf18("5","10","10","7","7","5","1") = "9"
    & skf18("5","10","10","7","7","6","1") = "9"
    & skf18("5","10","10","7","7","7","1") = "9"
    & skf18("5","10","10","7","7","8","1") = "9"
    & skf18("5","10","10","7","7","9","1") = "9"
    & skf18("5","10","10","7","7","10","1") = "9"
    & skf18("5","10","10","7","8","1","1") = "9"
    & skf18("5","10","10","7","8","2","1") = "9"
    & skf18("5","10","10","7","8","3","1") = "9"
    & skf18("5","10","10","7","8","4","1") = "9"
    & skf18("5","10","10","7","8","5","1") = "9"
    & skf18("5","10","10","7","8","6","1") = "9"
    & skf18("5","10","10","7","8","7","1") = "9"
    & skf18("5","10","10","7","8","8","1") = "9"
    & skf18("5","10","10","7","8","9","1") = "9"
    & skf18("5","10","10","7","8","10","1") = "9"
    & skf18("5","10","10","7","9","1","1") = "9"
    & skf18("5","10","10","7","9","2","1") = "9"
    & skf18("5","10","10","7","9","3","1") = "9"
    & skf18("5","10","10","7","9","4","1") = "9"
    & skf18("5","10","10","7","9","5","1") = "9"
    & skf18("5","10","10","7","9","6","1") = "9"
    & skf18("5","10","10","7","9","7","1") = "9"
    & skf18("5","10","10","7","9","8","1") = "9"
    & skf18("5","10","10","7","9","9","1") = "9"
    & skf18("5","10","10","7","9","10","1") = "9"
    & skf18("5","10","10","7","10","1","1") = "9"
    & skf18("5","10","10","7","10","2","1") = "9"
    & skf18("5","10","10","7","10","3","1") = "9"
    & skf18("5","10","10","7","10","4","1") = "9"
    & skf18("5","10","10","7","10","5","1") = "9"
    & skf18("5","10","10","7","10","6","1") = "9"
    & skf18("5","10","10","7","10","7","1") = "9"
    & skf18("5","10","10","7","10","8","1") = "9"
    & skf18("5","10","10","7","10","9","1") = "9"
    & skf18("5","10","10","7","10","10","1") = "9"
    & skf18("5","10","10","8","1","1","1") = "9"
    & skf18("5","10","10","8","1","2","1") = "9"
    & skf18("5","10","10","8","1","3","1") = "9"
    & skf18("5","10","10","8","1","4","1") = "9"
    & skf18("5","10","10","8","1","5","1") = "9"
    & skf18("5","10","10","8","1","6","1") = "9"
    & skf18("5","10","10","8","1","7","1") = "9"
    & skf18("5","10","10","8","1","8","1") = "9"
    & skf18("5","10","10","8","1","9","1") = "9"
    & skf18("5","10","10","8","1","10","1") = "9"
    & skf18("5","10","10","8","2","1","1") = "9"
    & skf18("5","10","10","8","2","2","1") = "9"
    & skf18("5","10","10","8","2","3","1") = "9"
    & skf18("5","10","10","8","2","4","1") = "9"
    & skf18("5","10","10","8","2","5","1") = "9"
    & skf18("5","10","10","8","2","6","1") = "9"
    & skf18("5","10","10","8","2","7","1") = "9"
    & skf18("5","10","10","8","2","8","1") = "9"
    & skf18("5","10","10","8","2","9","1") = "9"
    & skf18("5","10","10","8","2","10","1") = "9"
    & skf18("5","10","10","8","3","1","1") = "9"
    & skf18("5","10","10","8","3","2","1") = "9"
    & skf18("5","10","10","8","3","3","1") = "9"
    & skf18("5","10","10","8","3","4","1") = "9"
    & skf18("5","10","10","8","3","5","1") = "9"
    & skf18("5","10","10","8","3","6","1") = "9"
    & skf18("5","10","10","8","3","7","1") = "9"
    & skf18("5","10","10","8","3","8","1") = "9"
    & skf18("5","10","10","8","3","9","1") = "9"
    & skf18("5","10","10","8","3","10","1") = "9"
    & skf18("5","10","10","8","4","1","1") = "9"
    & skf18("5","10","10","8","4","2","1") = "9"
    & skf18("5","10","10","8","4","3","1") = "9"
    & skf18("5","10","10","8","4","4","1") = "9"
    & skf18("5","10","10","8","4","5","1") = "9"
    & skf18("5","10","10","8","4","6","1") = "9"
    & skf18("5","10","10","8","4","7","1") = "9"
    & skf18("5","10","10","8","4","8","1") = "9"
    & skf18("5","10","10","8","4","9","1") = "9"
    & skf18("5","10","10","8","4","10","1") = "9"
    & skf18("5","10","10","8","5","1","1") = "9"
    & skf18("5","10","10","8","5","2","1") = "9"
    & skf18("5","10","10","8","5","3","1") = "9"
    & skf18("5","10","10","8","5","4","1") = "9"
    & skf18("5","10","10","8","5","5","1") = "9"
    & skf18("5","10","10","8","5","6","1") = "9"
    & skf18("5","10","10","8","5","7","1") = "9"
    & skf18("5","10","10","8","5","8","1") = "9"
    & skf18("5","10","10","8","5","9","1") = "9"
    & skf18("5","10","10","8","5","10","1") = "9"
    & skf18("5","10","10","8","6","1","1") = "9"
    & skf18("5","10","10","8","6","2","1") = "9"
    & skf18("5","10","10","8","6","3","1") = "9"
    & skf18("5","10","10","8","6","4","1") = "9"
    & skf18("5","10","10","8","6","5","1") = "9"
    & skf18("5","10","10","8","6","6","1") = "9"
    & skf18("5","10","10","8","6","7","1") = "9"
    & skf18("5","10","10","8","6","8","1") = "9"
    & skf18("5","10","10","8","6","9","1") = "9"
    & skf18("5","10","10","8","6","10","1") = "9"
    & skf18("5","10","10","8","7","1","1") = "9"
    & skf18("5","10","10","8","7","2","1") = "9"
    & skf18("5","10","10","8","7","3","1") = "9"
    & skf18("5","10","10","8","7","4","1") = "9"
    & skf18("5","10","10","8","7","5","1") = "9"
    & skf18("5","10","10","8","7","6","1") = "9"
    & skf18("5","10","10","8","7","7","1") = "9"
    & skf18("5","10","10","8","7","8","1") = "9"
    & skf18("5","10","10","8","7","9","1") = "9"
    & skf18("5","10","10","8","7","10","1") = "9"
    & skf18("5","10","10","8","8","1","1") = "9"
    & skf18("5","10","10","8","8","2","1") = "9"
    & skf18("5","10","10","8","8","3","1") = "9"
    & skf18("5","10","10","8","8","4","1") = "9"
    & skf18("5","10","10","8","8","5","1") = "9"
    & skf18("5","10","10","8","8","6","1") = "9"
    & skf18("5","10","10","8","8","7","1") = "9"
    & skf18("5","10","10","8","8","8","1") = "9"
    & skf18("5","10","10","8","8","9","1") = "9"
    & skf18("5","10","10","8","8","10","1") = "9"
    & skf18("5","10","10","8","9","1","1") = "9"
    & skf18("5","10","10","8","9","2","1") = "9"
    & skf18("5","10","10","8","9","3","1") = "9"
    & skf18("5","10","10","8","9","4","1") = "9"
    & skf18("5","10","10","8","9","5","1") = "9"
    & skf18("5","10","10","8","9","6","1") = "9"
    & skf18("5","10","10","8","9","7","1") = "9"
    & skf18("5","10","10","8","9","8","1") = "9"
    & skf18("5","10","10","8","9","9","1") = "9"
    & skf18("5","10","10","8","9","10","1") = "9"
    & skf18("5","10","10","8","10","1","1") = "9"
    & skf18("5","10","10","8","10","2","1") = "9"
    & skf18("5","10","10","8","10","3","1") = "9"
    & skf18("5","10","10","8","10","4","1") = "9"
    & skf18("5","10","10","8","10","5","1") = "9"
    & skf18("5","10","10","8","10","6","1") = "9"
    & skf18("5","10","10","8","10","7","1") = "9"
    & skf18("5","10","10","8","10","8","1") = "9"
    & skf18("5","10","10","8","10","9","1") = "9"
    & skf18("5","10","10","8","10","10","1") = "9"
    & skf18("5","10","10","9","1","1","1") = "9"
    & skf18("5","10","10","9","1","2","1") = "9"
    & skf18("5","10","10","9","1","3","1") = "9"
    & skf18("5","10","10","9","1","4","1") = "9"
    & skf18("5","10","10","9","1","5","1") = "9"
    & skf18("5","10","10","9","1","6","1") = "9"
    & skf18("5","10","10","9","1","7","1") = "9"
    & skf18("5","10","10","9","1","8","1") = "9"
    & skf18("5","10","10","9","1","9","1") = "9"
    & skf18("5","10","10","9","1","10","1") = "9"
    & skf18("5","10","10","9","2","1","1") = "9"
    & skf18("5","10","10","9","2","2","1") = "9"
    & skf18("5","10","10","9","2","3","1") = "9"
    & skf18("5","10","10","9","2","4","1") = "9"
    & skf18("5","10","10","9","2","5","1") = "9"
    & skf18("5","10","10","9","2","6","1") = "9"
    & skf18("5","10","10","9","2","7","1") = "9"
    & skf18("5","10","10","9","2","8","1") = "9"
    & skf18("5","10","10","9","2","9","1") = "9"
    & skf18("5","10","10","9","2","10","1") = "9"
    & skf18("5","10","10","9","3","1","1") = "9"
    & skf18("5","10","10","9","3","2","1") = "9"
    & skf18("5","10","10","9","3","3","1") = "9"
    & skf18("5","10","10","9","3","4","1") = "9"
    & skf18("5","10","10","9","3","5","1") = "9"
    & skf18("5","10","10","9","3","6","1") = "9"
    & skf18("5","10","10","9","3","7","1") = "9"
    & skf18("5","10","10","9","3","8","1") = "9"
    & skf18("5","10","10","9","3","9","1") = "9"
    & skf18("5","10","10","9","3","10","1") = "9"
    & skf18("5","10","10","9","4","1","1") = "9"
    & skf18("5","10","10","9","4","2","1") = "9"
    & skf18("5","10","10","9","4","3","1") = "9"
    & skf18("5","10","10","9","4","4","1") = "9"
    & skf18("5","10","10","9","4","5","1") = "9"
    & skf18("5","10","10","9","4","6","1") = "9"
    & skf18("5","10","10","9","4","7","1") = "9"
    & skf18("5","10","10","9","4","8","1") = "9"
    & skf18("5","10","10","9","4","9","1") = "9"
    & skf18("5","10","10","9","4","10","1") = "9"
    & skf18("5","10","10","9","5","1","1") = "9"
    & skf18("5","10","10","9","5","2","1") = "9"
    & skf18("5","10","10","9","5","3","1") = "9"
    & skf18("5","10","10","9","5","4","1") = "9"
    & skf18("5","10","10","9","5","5","1") = "9"
    & skf18("5","10","10","9","5","6","1") = "9"
    & skf18("5","10","10","9","5","7","1") = "9"
    & skf18("5","10","10","9","5","8","1") = "9"
    & skf18("5","10","10","9","5","9","1") = "9"
    & skf18("5","10","10","9","5","10","1") = "9"
    & skf18("5","10","10","9","6","1","1") = "9"
    & skf18("5","10","10","9","6","2","1") = "9"
    & skf18("5","10","10","9","6","3","1") = "9"
    & skf18("5","10","10","9","6","4","1") = "9"
    & skf18("5","10","10","9","6","5","1") = "9"
    & skf18("5","10","10","9","6","6","1") = "9"
    & skf18("5","10","10","9","6","7","1") = "9"
    & skf18("5","10","10","9","6","8","1") = "9"
    & skf18("5","10","10","9","6","9","1") = "9"
    & skf18("5","10","10","9","6","10","1") = "9"
    & skf18("5","10","10","9","7","1","1") = "9"
    & skf18("5","10","10","9","7","2","1") = "9"
    & skf18("5","10","10","9","7","3","1") = "9"
    & skf18("5","10","10","9","7","4","1") = "9"
    & skf18("5","10","10","9","7","5","1") = "9"
    & skf18("5","10","10","9","7","6","1") = "9"
    & skf18("5","10","10","9","7","7","1") = "9"
    & skf18("5","10","10","9","7","8","1") = "9"
    & skf18("5","10","10","9","7","9","1") = "9"
    & skf18("5","10","10","9","7","10","1") = "9"
    & skf18("5","10","10","9","8","1","1") = "9"
    & skf18("5","10","10","9","8","2","1") = "9"
    & skf18("5","10","10","9","8","3","1") = "9"
    & skf18("5","10","10","9","8","4","1") = "9"
    & skf18("5","10","10","9","8","5","1") = "9"
    & skf18("5","10","10","9","8","6","1") = "9"
    & skf18("5","10","10","9","8","7","1") = "9"
    & skf18("5","10","10","9","8","8","1") = "9"
    & skf18("5","10","10","9","8","9","1") = "9"
    & skf18("5","10","10","9","8","10","1") = "9"
    & skf18("5","10","10","9","9","1","1") = "9"
    & skf18("5","10","10","9","9","2","1") = "9"
    & skf18("5","10","10","9","9","3","1") = "9"
    & skf18("5","10","10","9","9","4","1") = "9"
    & skf18("5","10","10","9","9","5","1") = "9"
    & skf18("5","10","10","9","9","6","1") = "9"
    & skf18("5","10","10","9","9","7","1") = "9"
    & skf18("5","10","10","9","9","8","1") = "9"
    & skf18("5","10","10","9","9","9","1") = "9"
    & skf18("5","10","10","9","9","10","1") = "9"
    & skf18("5","10","10","9","10","1","1") = "9"
    & skf18("5","10","10","9","10","2","1") = "9"
    & skf18("5","10","10","9","10","3","1") = "9"
    & skf18("5","10","10","9","10","4","1") = "9"
    & skf18("5","10","10","9","10","5","1") = "9"
    & skf18("5","10","10","9","10","6","1") = "9"
    & skf18("5","10","10","9","10","7","1") = "9"
    & skf18("5","10","10","9","10","8","1") = "9"
    & skf18("5","10","10","9","10","9","1") = "9"
    & skf18("5","10","10","9","10","10","1") = "9"
    & skf18("5","10","10","10","1","1","1") = "9"
    & skf18("5","10","10","10","1","2","1") = "9"
    & skf18("5","10","10","10","1","3","1") = "9"
    & skf18("5","10","10","10","1","4","1") = "9"
    & skf18("5","10","10","10","1","5","1") = "9"
    & skf18("5","10","10","10","1","6","1") = "9"
    & skf18("5","10","10","10","1","7","1") = "9"
    & skf18("5","10","10","10","1","8","1") = "9"
    & skf18("5","10","10","10","1","9","1") = "9"
    & skf18("5","10","10","10","1","10","1") = "9"
    & skf18("5","10","10","10","2","1","1") = "9"
    & skf18("5","10","10","10","2","2","1") = "9"
    & skf18("5","10","10","10","2","3","1") = "9"
    & skf18("5","10","10","10","2","4","1") = "9"
    & skf18("5","10","10","10","2","5","1") = "9"
    & skf18("5","10","10","10","2","6","1") = "9"
    & skf18("5","10","10","10","2","7","1") = "9"
    & skf18("5","10","10","10","2","8","1") = "9"
    & skf18("5","10","10","10","2","9","1") = "9"
    & skf18("5","10","10","10","2","10","1") = "9"
    & skf18("5","10","10","10","3","1","1") = "9"
    & skf18("5","10","10","10","3","2","1") = "9"
    & skf18("5","10","10","10","3","3","1") = "9"
    & skf18("5","10","10","10","3","4","1") = "9"
    & skf18("5","10","10","10","3","5","1") = "9"
    & skf18("5","10","10","10","3","6","1") = "9"
    & skf18("5","10","10","10","3","7","1") = "9"
    & skf18("5","10","10","10","3","8","1") = "9"
    & skf18("5","10","10","10","3","9","1") = "9"
    & skf18("5","10","10","10","3","10","1") = "9"
    & skf18("5","10","10","10","4","1","1") = "9"
    & skf18("5","10","10","10","4","2","1") = "9"
    & skf18("5","10","10","10","4","3","1") = "9"
    & skf18("5","10","10","10","4","4","1") = "9"
    & skf18("5","10","10","10","4","5","1") = "9"
    & skf18("5","10","10","10","4","6","1") = "9"
    & skf18("5","10","10","10","4","7","1") = "9"
    & skf18("5","10","10","10","4","8","1") = "9"
    & skf18("5","10","10","10","4","9","1") = "9"
    & skf18("5","10","10","10","4","10","1") = "9"
    & skf18("5","10","10","10","5","1","1") = "9"
    & skf18("5","10","10","10","5","2","1") = "9"
    & skf18("5","10","10","10","5","3","1") = "9"
    & skf18("5","10","10","10","5","4","1") = "9"
    & skf18("5","10","10","10","5","5","1") = "9"
    & skf18("5","10","10","10","5","6","1") = "9"
    & skf18("5","10","10","10","5","7","1") = "9"
    & skf18("5","10","10","10","5","8","1") = "9"
    & skf18("5","10","10","10","5","9","1") = "9"
    & skf18("5","10","10","10","5","10","1") = "9"
    & skf18("5","10","10","10","6","1","1") = "9"
    & skf18("5","10","10","10","6","2","1") = "9"
    & skf18("5","10","10","10","6","3","1") = "9"
    & skf18("5","10","10","10","6","4","1") = "9"
    & skf18("5","10","10","10","6","5","1") = "9"
    & skf18("5","10","10","10","6","6","1") = "9"
    & skf18("5","10","10","10","6","7","1") = "9"
    & skf18("5","10","10","10","6","8","1") = "9"
    & skf18("5","10","10","10","6","9","1") = "9"
    & skf18("5","10","10","10","6","10","1") = "9"
    & skf18("5","10","10","10","7","1","1") = "9"
    & skf18("5","10","10","10","7","2","1") = "9"
    & skf18("5","10","10","10","7","3","1") = "9"
    & skf18("5","10","10","10","7","4","1") = "9"
    & skf18("5","10","10","10","7","5","1") = "9"
    & skf18("5","10","10","10","7","6","1") = "9"
    & skf18("5","10","10","10","7","7","1") = "9"
    & skf18("5","10","10","10","7","8","1") = "9"
    & skf18("5","10","10","10","7","9","1") = "9"
    & skf18("5","10","10","10","7","10","1") = "9"
    & skf18("5","10","10","10","8","1","1") = "9"
    & skf18("5","10","10","10","8","2","1") = "9"
    & skf18("5","10","10","10","8","3","1") = "9"
    & skf18("5","10","10","10","8","4","1") = "9"
    & skf18("5","10","10","10","8","5","1") = "9"
    & skf18("5","10","10","10","8","6","1") = "9"
    & skf18("5","10","10","10","8","7","1") = "9"
    & skf18("5","10","10","10","8","8","1") = "9"
    & skf18("5","10","10","10","8","9","1") = "9"
    & skf18("5","10","10","10","8","10","1") = "9"
    & skf18("5","10","10","10","9","1","1") = "9"
    & skf18("5","10","10","10","9","2","1") = "9"
    & skf18("5","10","10","10","9","3","1") = "9"
    & skf18("5","10","10","10","9","4","1") = "9"
    & skf18("5","10","10","10","9","5","1") = "9"
    & skf18("5","10","10","10","9","6","1") = "9"
    & skf18("5","10","10","10","9","7","1") = "9"
    & skf18("5","10","10","10","9","8","1") = "9"
    & skf18("5","10","10","10","9","9","1") = "9"
    & skf18("5","10","10","10","9","10","1") = "9"
    & skf18("5","10","10","10","10","1","1") = "9"
    & skf18("5","10","10","10","10","2","1") = "9"
    & skf18("5","10","10","10","10","3","1") = "9"
    & skf18("5","10","10","10","10","4","1") = "9"
    & skf18("5","10","10","10","10","5","1") = "9"
    & skf18("5","10","10","10","10","6","1") = "9"
    & skf18("5","10","10","10","10","7","1") = "9"
    & skf18("5","10","10","10","10","8","1") = "9"
    & skf18("5","10","10","10","10","9","1") = "9"
    & skf18("5","10","10","10","10","10","1") = "9"
    & skf18("6","1","1","1","1","1","1") = "5"
    & skf18("6","1","1","1","1","2","1") = "5"
    & skf18("6","1","1","1","1","3","1") = "5"
    & skf18("6","1","1","1","1","4","1") = "5"
    & skf18("6","1","1","1","1","5","1") = "5"
    & skf18("6","1","1","1","1","6","1") = "5"
    & skf18("6","1","1","1","1","7","1") = "6"
    & skf18("6","1","1","1","1","8","1") = "7"
    & skf18("6","1","1","1","1","9","1") = "8"
    & skf18("6","1","1","1","1","10","1") = "9"
    & skf18("6","1","1","1","2","1","1") = "5"
    & skf18("6","1","1","1","2","2","1") = "5"
    & skf18("6","1","1","1","2","3","1") = "5"
    & skf18("6","1","1","1","2","4","1") = "5"
    & skf18("6","1","1","1","2","5","1") = "5"
    & skf18("6","1","1","1","2","6","1") = "5"
    & skf18("6","1","1","1","2","7","1") = "6"
    & skf18("6","1","1","1","2","8","1") = "7"
    & skf18("6","1","1","1","2","9","1") = "8"
    & skf18("6","1","1","1","2","10","1") = "9"
    & skf18("6","1","1","1","3","1","1") = "5"
    & skf18("6","1","1","1","3","2","1") = "5"
    & skf18("6","1","1","1","3","3","1") = "5"
    & skf18("6","1","1","1","3","4","1") = "5"
    & skf18("6","1","1","1","3","5","1") = "5"
    & skf18("6","1","1","1","3","6","1") = "5"
    & skf18("6","1","1","1","3","7","1") = "6"
    & skf18("6","1","1","1","3","8","1") = "7"
    & skf18("6","1","1","1","3","9","1") = "8"
    & skf18("6","1","1","1","3","10","1") = "9"
    & skf18("6","1","1","1","4","1","1") = "5"
    & skf18("6","1","1","1","4","2","1") = "5"
    & skf18("6","1","1","1","4","3","1") = "5"
    & skf18("6","1","1","1","4","4","1") = "5"
    & skf18("6","1","1","1","4","5","1") = "5"
    & skf18("6","1","1","1","4","6","1") = "5"
    & skf18("6","1","1","1","4","7","1") = "6"
    & skf18("6","1","1","1","4","8","1") = "7"
    & skf18("6","1","1","1","4","9","1") = "8"
    & skf18("6","1","1","1","4","10","1") = "9"
    & skf18("6","1","1","1","5","1","1") = "5"
    & skf18("6","1","1","1","5","2","1") = "5"
    & skf18("6","1","1","1","5","3","1") = "5"
    & skf18("6","1","1","1","5","4","1") = "5"
    & skf18("6","1","1","1","5","5","1") = "5"
    & skf18("6","1","1","1","5","6","1") = "5"
    & skf18("6","1","1","1","5","7","1") = "6"
    & skf18("6","1","1","1","5","8","1") = "7"
    & skf18("6","1","1","1","5","9","1") = "8"
    & skf18("6","1","1","1","5","10","1") = "9"
    & skf18("6","1","1","1","6","1","1") = "5"
    & skf18("6","1","1","1","6","2","1") = "5"
    & skf18("6","1","1","1","6","3","1") = "5"
    & skf18("6","1","1","1","6","4","1") = "5"
    & skf18("6","1","1","1","6","5","1") = "5"
    & skf18("6","1","1","1","6","6","1") = "5"
    & skf18("6","1","1","1","6","7","1") = "6"
    & skf18("6","1","1","1","6","8","1") = "7"
    & skf18("6","1","1","1","6","9","1") = "8"
    & skf18("6","1","1","1","6","10","1") = "9"
    & skf18("6","1","1","1","7","1","1") = "6"
    & skf18("6","1","1","1","7","2","1") = "6"
    & skf18("6","1","1","1","7","3","1") = "6"
    & skf18("6","1","1","1","7","4","1") = "6"
    & skf18("6","1","1","1","7","5","1") = "6"
    & skf18("6","1","1","1","7","6","1") = "6"
    & skf18("6","1","1","1","7","7","1") = "6"
    & skf18("6","1","1","1","7","8","1") = "7"
    & skf18("6","1","1","1","7","9","1") = "8"
    & skf18("6","1","1","1","7","10","1") = "9"
    & skf18("6","1","1","1","8","1","1") = "7"
    & skf18("6","1","1","1","8","2","1") = "7"
    & skf18("6","1","1","1","8","3","1") = "7"
    & skf18("6","1","1","1","8","4","1") = "7"
    & skf18("6","1","1","1","8","5","1") = "7"
    & skf18("6","1","1","1","8","6","1") = "7"
    & skf18("6","1","1","1","8","7","1") = "7"
    & skf18("6","1","1","1","8","8","1") = "7"
    & skf18("6","1","1","1","8","9","1") = "8"
    & skf18("6","1","1","1","8","10","1") = "9"
    & skf18("6","1","1","1","9","1","1") = "8"
    & skf18("6","1","1","1","9","2","1") = "8"
    & skf18("6","1","1","1","9","3","1") = "8"
    & skf18("6","1","1","1","9","4","1") = "8"
    & skf18("6","1","1","1","9","5","1") = "8"
    & skf18("6","1","1","1","9","6","1") = "8"
    & skf18("6","1","1","1","9","7","1") = "8"
    & skf18("6","1","1","1","9","8","1") = "8"
    & skf18("6","1","1","1","9","9","1") = "8"
    & skf18("6","1","1","1","9","10","1") = "9"
    & skf18("6","1","1","1","10","1","1") = "9"
    & skf18("6","1","1","1","10","2","1") = "9"
    & skf18("6","1","1","1","10","3","1") = "9"
    & skf18("6","1","1","1","10","4","1") = "9"
    & skf18("6","1","1","1","10","5","1") = "9"
    & skf18("6","1","1","1","10","6","1") = "9"
    & skf18("6","1","1","1","10","7","1") = "9"
    & skf18("6","1","1","1","10","8","1") = "9"
    & skf18("6","1","1","1","10","9","1") = "9"
    & skf18("6","1","1","1","10","10","1") = "9"
    & skf18("6","1","1","2","1","1","1") = "5"
    & skf18("6","1","1","2","1","2","1") = "5"
    & skf18("6","1","1","2","1","3","1") = "5"
    & skf18("6","1","1","2","1","4","1") = "5"
    & skf18("6","1","1","2","1","5","1") = "5"
    & skf18("6","1","1","2","1","6","1") = "5"
    & skf18("6","1","1","2","1","7","1") = "6"
    & skf18("6","1","1","2","1","8","1") = "7"
    & skf18("6","1","1","2","1","9","1") = "8"
    & skf18("6","1","1","2","1","10","1") = "9"
    & skf18("6","1","1","2","2","1","1") = "5"
    & skf18("6","1","1","2","2","2","1") = "5"
    & skf18("6","1","1","2","2","3","1") = "5"
    & skf18("6","1","1","2","2","4","1") = "5"
    & skf18("6","1","1","2","2","5","1") = "5"
    & skf18("6","1","1","2","2","6","1") = "5"
    & skf18("6","1","1","2","2","7","1") = "6"
    & skf18("6","1","1","2","2","8","1") = "7"
    & skf18("6","1","1","2","2","9","1") = "8"
    & skf18("6","1","1","2","2","10","1") = "9"
    & skf18("6","1","1","2","3","1","1") = "5"
    & skf18("6","1","1","2","3","2","1") = "5"
    & skf18("6","1","1","2","3","3","1") = "5"
    & skf18("6","1","1","2","3","4","1") = "5"
    & skf18("6","1","1","2","3","5","1") = "5"
    & skf18("6","1","1","2","3","6","1") = "5"
    & skf18("6","1","1","2","3","7","1") = "6"
    & skf18("6","1","1","2","3","8","1") = "7"
    & skf18("6","1","1","2","3","9","1") = "8"
    & skf18("6","1","1","2","3","10","1") = "9"
    & skf18("6","1","1","2","4","1","1") = "5"
    & skf18("6","1","1","2","4","2","1") = "5"
    & skf18("6","1","1","2","4","3","1") = "5"
    & skf18("6","1","1","2","4","4","1") = "5"
    & skf18("6","1","1","2","4","5","1") = "5"
    & skf18("6","1","1","2","4","6","1") = "5"
    & skf18("6","1","1","2","4","7","1") = "6"
    & skf18("6","1","1","2","4","8","1") = "7"
    & skf18("6","1","1","2","4","9","1") = "8"
    & skf18("6","1","1","2","4","10","1") = "9"
    & skf18("6","1","1","2","5","1","1") = "5"
    & skf18("6","1","1","2","5","2","1") = "5"
    & skf18("6","1","1","2","5","3","1") = "5"
    & skf18("6","1","1","2","5","4","1") = "5"
    & skf18("6","1","1","2","5","5","1") = "5"
    & skf18("6","1","1","2","5","6","1") = "5"
    & skf18("6","1","1","2","5","7","1") = "6"
    & skf18("6","1","1","2","5","8","1") = "7"
    & skf18("6","1","1","2","5","9","1") = "8"
    & skf18("6","1","1","2","5","10","1") = "9"
    & skf18("6","1","1","2","6","1","1") = "5"
    & skf18("6","1","1","2","6","2","1") = "5"
    & skf18("6","1","1","2","6","3","1") = "5"
    & skf18("6","1","1","2","6","4","1") = "5"
    & skf18("6","1","1","2","6","5","1") = "5"
    & skf18("6","1","1","2","6","6","1") = "5"
    & skf18("6","1","1","2","6","7","1") = "6"
    & skf18("6","1","1","2","6","8","1") = "7"
    & skf18("6","1","1","2","6","9","1") = "8"
    & skf18("6","1","1","2","6","10","1") = "9"
    & skf18("6","1","1","2","7","1","1") = "6"
    & skf18("6","1","1","2","7","2","1") = "6"
    & skf18("6","1","1","2","7","3","1") = "6"
    & skf18("6","1","1","2","7","4","1") = "6"
    & skf18("6","1","1","2","7","5","1") = "6"
    & skf18("6","1","1","2","7","6","1") = "6"
    & skf18("6","1","1","2","7","7","1") = "6"
    & skf18("6","1","1","2","7","8","1") = "7"
    & skf18("6","1","1","2","7","9","1") = "8"
    & skf18("6","1","1","2","7","10","1") = "9"
    & skf18("6","1","1","2","8","1","1") = "7"
    & skf18("6","1","1","2","8","2","1") = "7"
    & skf18("6","1","1","2","8","3","1") = "7"
    & skf18("6","1","1","2","8","4","1") = "7"
    & skf18("6","1","1","2","8","5","1") = "7"
    & skf18("6","1","1","2","8","6","1") = "7"
    & skf18("6","1","1","2","8","7","1") = "7"
    & skf18("6","1","1","2","8","8","1") = "7"
    & skf18("6","1","1","2","8","9","1") = "8"
    & skf18("6","1","1","2","8","10","1") = "9"
    & skf18("6","1","1","2","9","1","1") = "8"
    & skf18("6","1","1","2","9","2","1") = "8"
    & skf18("6","1","1","2","9","3","1") = "8"
    & skf18("6","1","1","2","9","4","1") = "8"
    & skf18("6","1","1","2","9","5","1") = "8"
    & skf18("6","1","1","2","9","6","1") = "8"
    & skf18("6","1","1","2","9","7","1") = "8"
    & skf18("6","1","1","2","9","8","1") = "8"
    & skf18("6","1","1","2","9","9","1") = "8"
    & skf18("6","1","1","2","9","10","1") = "9"
    & skf18("6","1","1","2","10","1","1") = "9"
    & skf18("6","1","1","2","10","2","1") = "9"
    & skf18("6","1","1","2","10","3","1") = "9"
    & skf18("6","1","1","2","10","4","1") = "9"
    & skf18("6","1","1","2","10","5","1") = "9"
    & skf18("6","1","1","2","10","6","1") = "9"
    & skf18("6","1","1","2","10","7","1") = "9"
    & skf18("6","1","1","2","10","8","1") = "9"
    & skf18("6","1","1","2","10","9","1") = "9"
    & skf18("6","1","1","2","10","10","1") = "9"
    & skf18("6","1","1","3","1","1","1") = "5"
    & skf18("6","1","1","3","1","2","1") = "5"
    & skf18("6","1","1","3","1","3","1") = "5"
    & skf18("6","1","1","3","1","4","1") = "5"
    & skf18("6","1","1","3","1","5","1") = "5"
    & skf18("6","1","1","3","1","6","1") = "5"
    & skf18("6","1","1","3","1","7","1") = "6"
    & skf18("6","1","1","3","1","8","1") = "7"
    & skf18("6","1","1","3","1","9","1") = "8"
    & skf18("6","1","1","3","1","10","1") = "9"
    & skf18("6","1","1","3","2","1","1") = "5"
    & skf18("6","1","1","3","2","2","1") = "5"
    & skf18("6","1","1","3","2","3","1") = "5"
    & skf18("6","1","1","3","2","4","1") = "5"
    & skf18("6","1","1","3","2","5","1") = "5"
    & skf18("6","1","1","3","2","6","1") = "5"
    & skf18("6","1","1","3","2","7","1") = "6"
    & skf18("6","1","1","3","2","8","1") = "7"
    & skf18("6","1","1","3","2","9","1") = "8"
    & skf18("6","1","1","3","2","10","1") = "9"
    & skf18("6","1","1","3","3","1","1") = "5"
    & skf18("6","1","1","3","3","2","1") = "5"
    & skf18("6","1","1","3","3","3","1") = "5"
    & skf18("6","1","1","3","3","4","1") = "5"
    & skf18("6","1","1","3","3","5","1") = "5"
    & skf18("6","1","1","3","3","6","1") = "5"
    & skf18("6","1","1","3","3","7","1") = "6"
    & skf18("6","1","1","3","3","8","1") = "7"
    & skf18("6","1","1","3","3","9","1") = "8"
    & skf18("6","1","1","3","3","10","1") = "9"
    & skf18("6","1","1","3","4","1","1") = "5"
    & skf18("6","1","1","3","4","2","1") = "5"
    & skf18("6","1","1","3","4","3","1") = "5"
    & skf18("6","1","1","3","4","4","1") = "5"
    & skf18("6","1","1","3","4","5","1") = "5"
    & skf18("6","1","1","3","4","6","1") = "5"
    & skf18("6","1","1","3","4","7","1") = "6"
    & skf18("6","1","1","3","4","8","1") = "7"
    & skf18("6","1","1","3","4","9","1") = "8"
    & skf18("6","1","1","3","4","10","1") = "9"
    & skf18("6","1","1","3","5","1","1") = "5"
    & skf18("6","1","1","3","5","2","1") = "5"
    & skf18("6","1","1","3","5","3","1") = "5"
    & skf18("6","1","1","3","5","4","1") = "5"
    & skf18("6","1","1","3","5","5","1") = "5"
    & skf18("6","1","1","3","5","6","1") = "5"
    & skf18("6","1","1","3","5","7","1") = "6"
    & skf18("6","1","1","3","5","8","1") = "7"
    & skf18("6","1","1","3","5","9","1") = "8"
    & skf18("6","1","1","3","5","10","1") = "9"
    & skf18("6","1","1","3","6","1","1") = "5"
    & skf18("6","1","1","3","6","2","1") = "5"
    & skf18("6","1","1","3","6","3","1") = "5"
    & skf18("6","1","1","3","6","4","1") = "5"
    & skf18("6","1","1","3","6","5","1") = "5"
    & skf18("6","1","1","3","6","6","1") = "5"
    & skf18("6","1","1","3","6","7","1") = "6"
    & skf18("6","1","1","3","6","8","1") = "7"
    & skf18("6","1","1","3","6","9","1") = "8"
    & skf18("6","1","1","3","6","10","1") = "9"
    & skf18("6","1","1","3","7","1","1") = "6"
    & skf18("6","1","1","3","7","2","1") = "6"
    & skf18("6","1","1","3","7","3","1") = "6"
    & skf18("6","1","1","3","7","4","1") = "6"
    & skf18("6","1","1","3","7","5","1") = "6"
    & skf18("6","1","1","3","7","6","1") = "6"
    & skf18("6","1","1","3","7","7","1") = "6"
    & skf18("6","1","1","3","7","8","1") = "7"
    & skf18("6","1","1","3","7","9","1") = "8"
    & skf18("6","1","1","3","7","10","1") = "9"
    & skf18("6","1","1","3","8","1","1") = "7"
    & skf18("6","1","1","3","8","2","1") = "7"
    & skf18("6","1","1","3","8","3","1") = "7"
    & skf18("6","1","1","3","8","4","1") = "7"
    & skf18("6","1","1","3","8","5","1") = "7"
    & skf18("6","1","1","3","8","6","1") = "7"
    & skf18("6","1","1","3","8","7","1") = "7"
    & skf18("6","1","1","3","8","8","1") = "7"
    & skf18("6","1","1","3","8","9","1") = "8"
    & skf18("6","1","1","3","8","10","1") = "9"
    & skf18("6","1","1","3","9","1","1") = "8"
    & skf18("6","1","1","3","9","2","1") = "8"
    & skf18("6","1","1","3","9","3","1") = "8"
    & skf18("6","1","1","3","9","4","1") = "8"
    & skf18("6","1","1","3","9","5","1") = "8"
    & skf18("6","1","1","3","9","6","1") = "8"
    & skf18("6","1","1","3","9","7","1") = "8"
    & skf18("6","1","1","3","9","8","1") = "8"
    & skf18("6","1","1","3","9","9","1") = "8"
    & skf18("6","1","1","3","9","10","1") = "9"
    & skf18("6","1","1","3","10","1","1") = "9"
    & skf18("6","1","1","3","10","2","1") = "9"
    & skf18("6","1","1","3","10","3","1") = "9"
    & skf18("6","1","1","3","10","4","1") = "9"
    & skf18("6","1","1","3","10","5","1") = "9"
    & skf18("6","1","1","3","10","6","1") = "9"
    & skf18("6","1","1","3","10","7","1") = "9"
    & skf18("6","1","1","3","10","8","1") = "9"
    & skf18("6","1","1","3","10","9","1") = "9"
    & skf18("6","1","1","3","10","10","1") = "9"
    & skf18("6","1","1","4","1","1","1") = "5"
    & skf18("6","1","1","4","1","2","1") = "5"
    & skf18("6","1","1","4","1","3","1") = "5"
    & skf18("6","1","1","4","1","4","1") = "5"
    & skf18("6","1","1","4","1","5","1") = "5"
    & skf18("6","1","1","4","1","6","1") = "5"
    & skf18("6","1","1","4","1","7","1") = "6"
    & skf18("6","1","1","4","1","8","1") = "7"
    & skf18("6","1","1","4","1","9","1") = "8"
    & skf18("6","1","1","4","1","10","1") = "9"
    & skf18("6","1","1","4","2","1","1") = "5"
    & skf18("6","1","1","4","2","2","1") = "5"
    & skf18("6","1","1","4","2","3","1") = "5"
    & skf18("6","1","1","4","2","4","1") = "5"
    & skf18("6","1","1","4","2","5","1") = "5"
    & skf18("6","1","1","4","2","6","1") = "5"
    & skf18("6","1","1","4","2","7","1") = "6"
    & skf18("6","1","1","4","2","8","1") = "7"
    & skf18("6","1","1","4","2","9","1") = "8"
    & skf18("6","1","1","4","2","10","1") = "9"
    & skf18("6","1","1","4","3","1","1") = "5"
    & skf18("6","1","1","4","3","2","1") = "5"
    & skf18("6","1","1","4","3","3","1") = "5"
    & skf18("6","1","1","4","3","4","1") = "5"
    & skf18("6","1","1","4","3","5","1") = "5"
    & skf18("6","1","1","4","3","6","1") = "5"
    & skf18("6","1","1","4","3","7","1") = "6"
    & skf18("6","1","1","4","3","8","1") = "7"
    & skf18("6","1","1","4","3","9","1") = "8"
    & skf18("6","1","1","4","3","10","1") = "9"
    & skf18("6","1","1","4","4","1","1") = "5"
    & skf18("6","1","1","4","4","2","1") = "5"
    & skf18("6","1","1","4","4","3","1") = "5"
    & skf18("6","1","1","4","4","4","1") = "5"
    & skf18("6","1","1","4","4","5","1") = "5"
    & skf18("6","1","1","4","4","6","1") = "5"
    & skf18("6","1","1","4","4","7","1") = "6"
    & skf18("6","1","1","4","4","8","1") = "7"
    & skf18("6","1","1","4","4","9","1") = "8"
    & skf18("6","1","1","4","4","10","1") = "9"
    & skf18("6","1","1","4","5","1","1") = "5"
    & skf18("6","1","1","4","5","2","1") = "5"
    & skf18("6","1","1","4","5","3","1") = "5"
    & skf18("6","1","1","4","5","4","1") = "5"
    & skf18("6","1","1","4","5","5","1") = "5"
    & skf18("6","1","1","4","5","6","1") = "5"
    & skf18("6","1","1","4","5","7","1") = "6"
    & skf18("6","1","1","4","5","8","1") = "7"
    & skf18("6","1","1","4","5","9","1") = "8"
    & skf18("6","1","1","4","5","10","1") = "9"
    & skf18("6","1","1","4","6","1","1") = "5"
    & skf18("6","1","1","4","6","2","1") = "5"
    & skf18("6","1","1","4","6","3","1") = "5"
    & skf18("6","1","1","4","6","4","1") = "5"
    & skf18("6","1","1","4","6","5","1") = "5"
    & skf18("6","1","1","4","6","6","1") = "5"
    & skf18("6","1","1","4","6","7","1") = "6"
    & skf18("6","1","1","4","6","8","1") = "7"
    & skf18("6","1","1","4","6","9","1") = "8"
    & skf18("6","1","1","4","6","10","1") = "9"
    & skf18("6","1","1","4","7","1","1") = "6"
    & skf18("6","1","1","4","7","2","1") = "6"
    & skf18("6","1","1","4","7","3","1") = "6"
    & skf18("6","1","1","4","7","4","1") = "6"
    & skf18("6","1","1","4","7","5","1") = "6"
    & skf18("6","1","1","4","7","6","1") = "6"
    & skf18("6","1","1","4","7","7","1") = "6"
    & skf18("6","1","1","4","7","8","1") = "7"
    & skf18("6","1","1","4","7","9","1") = "8"
    & skf18("6","1","1","4","7","10","1") = "9"
    & skf18("6","1","1","4","8","1","1") = "7"
    & skf18("6","1","1","4","8","2","1") = "7"
    & skf18("6","1","1","4","8","3","1") = "7"
    & skf18("6","1","1","4","8","4","1") = "7"
    & skf18("6","1","1","4","8","5","1") = "7"
    & skf18("6","1","1","4","8","6","1") = "7"
    & skf18("6","1","1","4","8","7","1") = "7"
    & skf18("6","1","1","4","8","8","1") = "7"
    & skf18("6","1","1","4","8","9","1") = "8"
    & skf18("6","1","1","4","8","10","1") = "9"
    & skf18("6","1","1","4","9","1","1") = "8"
    & skf18("6","1","1","4","9","2","1") = "8"
    & skf18("6","1","1","4","9","3","1") = "8"
    & skf18("6","1","1","4","9","4","1") = "8"
    & skf18("6","1","1","4","9","5","1") = "8"
    & skf18("6","1","1","4","9","6","1") = "8"
    & skf18("6","1","1","4","9","7","1") = "8"
    & skf18("6","1","1","4","9","8","1") = "8"
    & skf18("6","1","1","4","9","9","1") = "8"
    & skf18("6","1","1","4","9","10","1") = "9"
    & skf18("6","1","1","4","10","1","1") = "9"
    & skf18("6","1","1","4","10","2","1") = "9"
    & skf18("6","1","1","4","10","3","1") = "9"
    & skf18("6","1","1","4","10","4","1") = "9"
    & skf18("6","1","1","4","10","5","1") = "9"
    & skf18("6","1","1","4","10","6","1") = "9"
    & skf18("6","1","1","4","10","7","1") = "9"
    & skf18("6","1","1","4","10","8","1") = "9"
    & skf18("6","1","1","4","10","9","1") = "9"
    & skf18("6","1","1","4","10","10","1") = "9"
    & skf18("6","1","1","5","1","1","1") = "5"
    & skf18("6","1","1","5","1","2","1") = "5"
    & skf18("6","1","1","5","1","3","1") = "5"
    & skf18("6","1","1","5","1","4","1") = "5"
    & skf18("6","1","1","5","1","5","1") = "5"
    & skf18("6","1","1","5","1","6","1") = "5"
    & skf18("6","1","1","5","1","7","1") = "6"
    & skf18("6","1","1","5","1","8","1") = "7"
    & skf18("6","1","1","5","1","9","1") = "8"
    & skf18("6","1","1","5","1","10","1") = "9"
    & skf18("6","1","1","5","2","1","1") = "5"
    & skf18("6","1","1","5","2","2","1") = "5"
    & skf18("6","1","1","5","2","3","1") = "5"
    & skf18("6","1","1","5","2","4","1") = "5"
    & skf18("6","1","1","5","2","5","1") = "5"
    & skf18("6","1","1","5","2","6","1") = "5"
    & skf18("6","1","1","5","2","7","1") = "6"
    & skf18("6","1","1","5","2","8","1") = "7"
    & skf18("6","1","1","5","2","9","1") = "8"
    & skf18("6","1","1","5","2","10","1") = "9"
    & skf18("6","1","1","5","3","1","1") = "5"
    & skf18("6","1","1","5","3","2","1") = "5"
    & skf18("6","1","1","5","3","3","1") = "5"
    & skf18("6","1","1","5","3","4","1") = "5"
    & skf18("6","1","1","5","3","5","1") = "5"
    & skf18("6","1","1","5","3","6","1") = "5"
    & skf18("6","1","1","5","3","7","1") = "6"
    & skf18("6","1","1","5","3","8","1") = "7"
    & skf18("6","1","1","5","3","9","1") = "8"
    & skf18("6","1","1","5","3","10","1") = "9"
    & skf18("6","1","1","5","4","1","1") = "5"
    & skf18("6","1","1","5","4","2","1") = "5"
    & skf18("6","1","1","5","4","3","1") = "5"
    & skf18("6","1","1","5","4","4","1") = "5"
    & skf18("6","1","1","5","4","5","1") = "5"
    & skf18("6","1","1","5","4","6","1") = "5"
    & skf18("6","1","1","5","4","7","1") = "6"
    & skf18("6","1","1","5","4","8","1") = "7"
    & skf18("6","1","1","5","4","9","1") = "8"
    & skf18("6","1","1","5","4","10","1") = "9"
    & skf18("6","1","1","5","5","1","1") = "5"
    & skf18("6","1","1","5","5","2","1") = "5"
    & skf18("6","1","1","5","5","3","1") = "5"
    & skf18("6","1","1","5","5","4","1") = "5"
    & skf18("6","1","1","5","5","5","1") = "5"
    & skf18("6","1","1","5","5","6","1") = "5"
    & skf18("6","1","1","5","5","7","1") = "6"
    & skf18("6","1","1","5","5","8","1") = "7"
    & skf18("6","1","1","5","5","9","1") = "8"
    & skf18("6","1","1","5","5","10","1") = "9"
    & skf18("6","1","1","5","6","1","1") = "5"
    & skf18("6","1","1","5","6","2","1") = "5"
    & skf18("6","1","1","5","6","3","1") = "5"
    & skf18("6","1","1","5","6","4","1") = "5"
    & skf18("6","1","1","5","6","5","1") = "5"
    & skf18("6","1","1","5","6","6","1") = "5"
    & skf18("6","1","1","5","6","7","1") = "6"
    & skf18("6","1","1","5","6","8","1") = "7"
    & skf18("6","1","1","5","6","9","1") = "8"
    & skf18("6","1","1","5","6","10","1") = "9"
    & skf18("6","1","1","5","7","1","1") = "6"
    & skf18("6","1","1","5","7","2","1") = "6"
    & skf18("6","1","1","5","7","3","1") = "6"
    & skf18("6","1","1","5","7","4","1") = "6"
    & skf18("6","1","1","5","7","5","1") = "6"
    & skf18("6","1","1","5","7","6","1") = "6"
    & skf18("6","1","1","5","7","7","1") = "6"
    & skf18("6","1","1","5","7","8","1") = "7"
    & skf18("6","1","1","5","7","9","1") = "8"
    & skf18("6","1","1","5","7","10","1") = "9"
    & skf18("6","1","1","5","8","1","1") = "7"
    & skf18("6","1","1","5","8","2","1") = "7"
    & skf18("6","1","1","5","8","3","1") = "7"
    & skf18("6","1","1","5","8","4","1") = "7"
    & skf18("6","1","1","5","8","5","1") = "7"
    & skf18("6","1","1","5","8","6","1") = "7"
    & skf18("6","1","1","5","8","7","1") = "7"
    & skf18("6","1","1","5","8","8","1") = "7"
    & skf18("6","1","1","5","8","9","1") = "8"
    & skf18("6","1","1","5","8","10","1") = "9"
    & skf18("6","1","1","5","9","1","1") = "8"
    & skf18("6","1","1","5","9","2","1") = "8"
    & skf18("6","1","1","5","9","3","1") = "8"
    & skf18("6","1","1","5","9","4","1") = "8"
    & skf18("6","1","1","5","9","5","1") = "8"
    & skf18("6","1","1","5","9","6","1") = "8"
    & skf18("6","1","1","5","9","7","1") = "8"
    & skf18("6","1","1","5","9","8","1") = "8"
    & skf18("6","1","1","5","9","9","1") = "8"
    & skf18("6","1","1","5","9","10","1") = "9"
    & skf18("6","1","1","5","10","1","1") = "9"
    & skf18("6","1","1","5","10","2","1") = "9"
    & skf18("6","1","1","5","10","3","1") = "9"
    & skf18("6","1","1","5","10","4","1") = "9"
    & skf18("6","1","1","5","10","5","1") = "9"
    & skf18("6","1","1","5","10","6","1") = "9"
    & skf18("6","1","1","5","10","7","1") = "9"
    & skf18("6","1","1","5","10","8","1") = "9"
    & skf18("6","1","1","5","10","9","1") = "9"
    & skf18("6","1","1","5","10","10","1") = "9"
    & skf18("6","1","1","6","1","1","1") = "5"
    & skf18("6","1","1","6","1","2","1") = "5"
    & skf18("6","1","1","6","1","3","1") = "5"
    & skf18("6","1","1","6","1","4","1") = "5"
    & skf18("6","1","1","6","1","5","1") = "5"
    & skf18("6","1","1","6","1","6","1") = "5"
    & skf18("6","1","1","6","1","7","1") = "6"
    & skf18("6","1","1","6","1","8","1") = "7"
    & skf18("6","1","1","6","1","9","1") = "8"
    & skf18("6","1","1","6","1","10","1") = "9"
    & skf18("6","1","1","6","2","1","1") = "5"
    & skf18("6","1","1","6","2","2","1") = "5"
    & skf18("6","1","1","6","2","3","1") = "5"
    & skf18("6","1","1","6","2","4","1") = "5"
    & skf18("6","1","1","6","2","5","1") = "5"
    & skf18("6","1","1","6","2","6","1") = "5"
    & skf18("6","1","1","6","2","7","1") = "6"
    & skf18("6","1","1","6","2","8","1") = "7"
    & skf18("6","1","1","6","2","9","1") = "8"
    & skf18("6","1","1","6","2","10","1") = "9"
    & skf18("6","1","1","6","3","1","1") = "5"
    & skf18("6","1","1","6","3","2","1") = "5"
    & skf18("6","1","1","6","3","3","1") = "5"
    & skf18("6","1","1","6","3","4","1") = "5"
    & skf18("6","1","1","6","3","5","1") = "5"
    & skf18("6","1","1","6","3","6","1") = "5"
    & skf18("6","1","1","6","3","7","1") = "6"
    & skf18("6","1","1","6","3","8","1") = "7"
    & skf18("6","1","1","6","3","9","1") = "8"
    & skf18("6","1","1","6","3","10","1") = "9"
    & skf18("6","1","1","6","4","1","1") = "5"
    & skf18("6","1","1","6","4","2","1") = "5"
    & skf18("6","1","1","6","4","3","1") = "5"
    & skf18("6","1","1","6","4","4","1") = "5"
    & skf18("6","1","1","6","4","5","1") = "5"
    & skf18("6","1","1","6","4","6","1") = "5"
    & skf18("6","1","1","6","4","7","1") = "6"
    & skf18("6","1","1","6","4","8","1") = "7"
    & skf18("6","1","1","6","4","9","1") = "8"
    & skf18("6","1","1","6","4","10","1") = "9"
    & skf18("6","1","1","6","5","1","1") = "5"
    & skf18("6","1","1","6","5","2","1") = "5"
    & skf18("6","1","1","6","5","3","1") = "5"
    & skf18("6","1","1","6","5","4","1") = "5"
    & skf18("6","1","1","6","5","5","1") = "5"
    & skf18("6","1","1","6","5","6","1") = "5"
    & skf18("6","1","1","6","5","7","1") = "6"
    & skf18("6","1","1","6","5","8","1") = "7"
    & skf18("6","1","1","6","5","9","1") = "8"
    & skf18("6","1","1","6","5","10","1") = "9"
    & skf18("6","1","1","6","6","1","1") = "5"
    & skf18("6","1","1","6","6","2","1") = "5"
    & skf18("6","1","1","6","6","3","1") = "5"
    & skf18("6","1","1","6","6","4","1") = "5"
    & skf18("6","1","1","6","6","5","1") = "5"
    & skf18("6","1","1","6","6","6","1") = "5"
    & skf18("6","1","1","6","6","7","1") = "6"
    & skf18("6","1","1","6","6","8","1") = "7"
    & skf18("6","1","1","6","6","9","1") = "8"
    & skf18("6","1","1","6","6","10","1") = "9"
    & skf18("6","1","1","6","7","1","1") = "6"
    & skf18("6","1","1","6","7","2","1") = "6"
    & skf18("6","1","1","6","7","3","1") = "6"
    & skf18("6","1","1","6","7","4","1") = "6"
    & skf18("6","1","1","6","7","5","1") = "6"
    & skf18("6","1","1","6","7","6","1") = "6"
    & skf18("6","1","1","6","7","7","1") = "6"
    & skf18("6","1","1","6","7","8","1") = "7"
    & skf18("6","1","1","6","7","9","1") = "8"
    & skf18("6","1","1","6","7","10","1") = "9"
    & skf18("6","1","1","6","8","1","1") = "7"
    & skf18("6","1","1","6","8","2","1") = "7"
    & skf18("6","1","1","6","8","3","1") = "7"
    & skf18("6","1","1","6","8","4","1") = "7"
    & skf18("6","1","1","6","8","5","1") = "7"
    & skf18("6","1","1","6","8","6","1") = "7"
    & skf18("6","1","1","6","8","7","1") = "7"
    & skf18("6","1","1","6","8","8","1") = "7"
    & skf18("6","1","1","6","8","9","1") = "8"
    & skf18("6","1","1","6","8","10","1") = "9"
    & skf18("6","1","1","6","9","1","1") = "8"
    & skf18("6","1","1","6","9","2","1") = "8"
    & skf18("6","1","1","6","9","3","1") = "8"
    & skf18("6","1","1","6","9","4","1") = "8"
    & skf18("6","1","1","6","9","5","1") = "8"
    & skf18("6","1","1","6","9","6","1") = "8"
    & skf18("6","1","1","6","9","7","1") = "8"
    & skf18("6","1","1","6","9","8","1") = "8"
    & skf18("6","1","1","6","9","9","1") = "8"
    & skf18("6","1","1","6","9","10","1") = "9"
    & skf18("6","1","1","6","10","1","1") = "9"
    & skf18("6","1","1","6","10","2","1") = "9"
    & skf18("6","1","1","6","10","3","1") = "9"
    & skf18("6","1","1","6","10","4","1") = "9"
    & skf18("6","1","1","6","10","5","1") = "9"
    & skf18("6","1","1","6","10","6","1") = "9"
    & skf18("6","1","1","6","10","7","1") = "9"
    & skf18("6","1","1","6","10","8","1") = "9"
    & skf18("6","1","1","6","10","9","1") = "9"
    & skf18("6","1","1","6","10","10","1") = "9"
    & skf18("6","1","1","7","1","1","1") = "6"
    & skf18("6","1","1","7","1","2","1") = "6"
    & skf18("6","1","1","7","1","3","1") = "6"
    & skf18("6","1","1","7","1","4","1") = "6"
    & skf18("6","1","1","7","1","5","1") = "6"
    & skf18("6","1","1","7","1","6","1") = "6"
    & skf18("6","1","1","7","1","7","1") = "6"
    & skf18("6","1","1","7","1","8","1") = "7"
    & skf18("6","1","1","7","1","9","1") = "8"
    & skf18("6","1","1","7","1","10","1") = "9"
    & skf18("6","1","1","7","2","1","1") = "6"
    & skf18("6","1","1","7","2","2","1") = "6"
    & skf18("6","1","1","7","2","3","1") = "6"
    & skf18("6","1","1","7","2","4","1") = "6"
    & skf18("6","1","1","7","2","5","1") = "6"
    & skf18("6","1","1","7","2","6","1") = "6"
    & skf18("6","1","1","7","2","7","1") = "6"
    & skf18("6","1","1","7","2","8","1") = "7"
    & skf18("6","1","1","7","2","9","1") = "8"
    & skf18("6","1","1","7","2","10","1") = "9"
    & skf18("6","1","1","7","3","1","1") = "6"
    & skf18("6","1","1","7","3","2","1") = "6"
    & skf18("6","1","1","7","3","3","1") = "6"
    & skf18("6","1","1","7","3","4","1") = "6"
    & skf18("6","1","1","7","3","5","1") = "6"
    & skf18("6","1","1","7","3","6","1") = "6"
    & skf18("6","1","1","7","3","7","1") = "6"
    & skf18("6","1","1","7","3","8","1") = "7"
    & skf18("6","1","1","7","3","9","1") = "8"
    & skf18("6","1","1","7","3","10","1") = "9"
    & skf18("6","1","1","7","4","1","1") = "6"
    & skf18("6","1","1","7","4","2","1") = "6"
    & skf18("6","1","1","7","4","3","1") = "6"
    & skf18("6","1","1","7","4","4","1") = "6"
    & skf18("6","1","1","7","4","5","1") = "6"
    & skf18("6","1","1","7","4","6","1") = "6"
    & skf18("6","1","1","7","4","7","1") = "6"
    & skf18("6","1","1","7","4","8","1") = "7"
    & skf18("6","1","1","7","4","9","1") = "8"
    & skf18("6","1","1","7","4","10","1") = "9"
    & skf18("6","1","1","7","5","1","1") = "6"
    & skf18("6","1","1","7","5","2","1") = "6"
    & skf18("6","1","1","7","5","3","1") = "6"
    & skf18("6","1","1","7","5","4","1") = "6"
    & skf18("6","1","1","7","5","5","1") = "6"
    & skf18("6","1","1","7","5","6","1") = "6"
    & skf18("6","1","1","7","5","7","1") = "6"
    & skf18("6","1","1","7","5","8","1") = "7"
    & skf18("6","1","1","7","5","9","1") = "8"
    & skf18("6","1","1","7","5","10","1") = "9"
    & skf18("6","1","1","7","6","1","1") = "6"
    & skf18("6","1","1","7","6","2","1") = "6"
    & skf18("6","1","1","7","6","3","1") = "6"
    & skf18("6","1","1","7","6","4","1") = "6"
    & skf18("6","1","1","7","6","5","1") = "6"
    & skf18("6","1","1","7","6","6","1") = "6"
    & skf18("6","1","1","7","6","7","1") = "6"
    & skf18("6","1","1","7","6","8","1") = "7"
    & skf18("6","1","1","7","6","9","1") = "8"
    & skf18("6","1","1","7","6","10","1") = "9"
    & skf18("6","1","1","7","7","1","1") = "6"
    & skf18("6","1","1","7","7","2","1") = "6"
    & skf18("6","1","1","7","7","3","1") = "6"
    & skf18("6","1","1","7","7","4","1") = "6"
    & skf18("6","1","1","7","7","5","1") = "6"
    & skf18("6","1","1","7","7","6","1") = "6"
    & skf18("6","1","1","7","7","7","1") = "6"
    & skf18("6","1","1","7","7","8","1") = "7"
    & skf18("6","1","1","7","7","9","1") = "8"
    & skf18("6","1","1","7","7","10","1") = "9"
    & skf18("6","1","1","7","8","1","1") = "7"
    & skf18("6","1","1","7","8","2","1") = "7"
    & skf18("6","1","1","7","8","3","1") = "7"
    & skf18("6","1","1","7","8","4","1") = "7"
    & skf18("6","1","1","7","8","5","1") = "7"
    & skf18("6","1","1","7","8","6","1") = "7"
    & skf18("6","1","1","7","8","7","1") = "7"
    & skf18("6","1","1","7","8","8","1") = "7"
    & skf18("6","1","1","7","8","9","1") = "8"
    & skf18("6","1","1","7","8","10","1") = "9"
    & skf18("6","1","1","7","9","1","1") = "8"
    & skf18("6","1","1","7","9","2","1") = "8"
    & skf18("6","1","1","7","9","3","1") = "8"
    & skf18("6","1","1","7","9","4","1") = "8"
    & skf18("6","1","1","7","9","5","1") = "8"
    & skf18("6","1","1","7","9","6","1") = "8"
    & skf18("6","1","1","7","9","7","1") = "8"
    & skf18("6","1","1","7","9","8","1") = "8"
    & skf18("6","1","1","7","9","9","1") = "8"
    & skf18("6","1","1","7","9","10","1") = "9"
    & skf18("6","1","1","7","10","1","1") = "9"
    & skf18("6","1","1","7","10","2","1") = "9"
    & skf18("6","1","1","7","10","3","1") = "9"
    & skf18("6","1","1","7","10","4","1") = "9"
    & skf18("6","1","1","7","10","5","1") = "9"
    & skf18("6","1","1","7","10","6","1") = "9"
    & skf18("6","1","1","7","10","7","1") = "9"
    & skf18("6","1","1","7","10","8","1") = "9"
    & skf18("6","1","1","7","10","9","1") = "9"
    & skf18("6","1","1","7","10","10","1") = "9"
    & skf18("6","1","1","8","1","1","1") = "7"
    & skf18("6","1","1","8","1","2","1") = "7"
    & skf18("6","1","1","8","1","3","1") = "7"
    & skf18("6","1","1","8","1","4","1") = "7"
    & skf18("6","1","1","8","1","5","1") = "7"
    & skf18("6","1","1","8","1","6","1") = "7"
    & skf18("6","1","1","8","1","7","1") = "7"
    & skf18("6","1","1","8","1","8","1") = "7"
    & skf18("6","1","1","8","1","9","1") = "8"
    & skf18("6","1","1","8","1","10","1") = "9"
    & skf18("6","1","1","8","2","1","1") = "7"
    & skf18("6","1","1","8","2","2","1") = "7"
    & skf18("6","1","1","8","2","3","1") = "7"
    & skf18("6","1","1","8","2","4","1") = "7"
    & skf18("6","1","1","8","2","5","1") = "7"
    & skf18("6","1","1","8","2","6","1") = "7"
    & skf18("6","1","1","8","2","7","1") = "7"
    & skf18("6","1","1","8","2","8","1") = "7"
    & skf18("6","1","1","8","2","9","1") = "8"
    & skf18("6","1","1","8","2","10","1") = "9"
    & skf18("6","1","1","8","3","1","1") = "7"
    & skf18("6","1","1","8","3","2","1") = "7"
    & skf18("6","1","1","8","3","3","1") = "7"
    & skf18("6","1","1","8","3","4","1") = "7"
    & skf18("6","1","1","8","3","5","1") = "7"
    & skf18("6","1","1","8","3","6","1") = "7"
    & skf18("6","1","1","8","3","7","1") = "7"
    & skf18("6","1","1","8","3","8","1") = "7"
    & skf18("6","1","1","8","3","9","1") = "8"
    & skf18("6","1","1","8","3","10","1") = "9"
    & skf18("6","1","1","8","4","1","1") = "7"
    & skf18("6","1","1","8","4","2","1") = "7"
    & skf18("6","1","1","8","4","3","1") = "7"
    & skf18("6","1","1","8","4","4","1") = "7"
    & skf18("6","1","1","8","4","5","1") = "7"
    & skf18("6","1","1","8","4","6","1") = "7"
    & skf18("6","1","1","8","4","7","1") = "7"
    & skf18("6","1","1","8","4","8","1") = "7"
    & skf18("6","1","1","8","4","9","1") = "8"
    & skf18("6","1","1","8","4","10","1") = "9"
    & skf18("6","1","1","8","5","1","1") = "7"
    & skf18("6","1","1","8","5","2","1") = "7"
    & skf18("6","1","1","8","5","3","1") = "7"
    & skf18("6","1","1","8","5","4","1") = "7"
    & skf18("6","1","1","8","5","5","1") = "7"
    & skf18("6","1","1","8","5","6","1") = "7"
    & skf18("6","1","1","8","5","7","1") = "7"
    & skf18("6","1","1","8","5","8","1") = "7"
    & skf18("6","1","1","8","5","9","1") = "8"
    & skf18("6","1","1","8","5","10","1") = "9"
    & skf18("6","1","1","8","6","1","1") = "7"
    & skf18("6","1","1","8","6","2","1") = "7"
    & skf18("6","1","1","8","6","3","1") = "7"
    & skf18("6","1","1","8","6","4","1") = "7"
    & skf18("6","1","1","8","6","5","1") = "7"
    & skf18("6","1","1","8","6","6","1") = "7"
    & skf18("6","1","1","8","6","7","1") = "7"
    & skf18("6","1","1","8","6","8","1") = "7"
    & skf18("6","1","1","8","6","9","1") = "8"
    & skf18("6","1","1","8","6","10","1") = "9"
    & skf18("6","1","1","8","7","1","1") = "7"
    & skf18("6","1","1","8","7","2","1") = "7"
    & skf18("6","1","1","8","7","3","1") = "7"
    & skf18("6","1","1","8","7","4","1") = "7"
    & skf18("6","1","1","8","7","5","1") = "7"
    & skf18("6","1","1","8","7","6","1") = "7"
    & skf18("6","1","1","8","7","7","1") = "7"
    & skf18("6","1","1","8","7","8","1") = "7"
    & skf18("6","1","1","8","7","9","1") = "8"
    & skf18("6","1","1","8","7","10","1") = "9"
    & skf18("6","1","1","8","8","1","1") = "7"
    & skf18("6","1","1","8","8","2","1") = "7"
    & skf18("6","1","1","8","8","3","1") = "7"
    & skf18("6","1","1","8","8","4","1") = "7"
    & skf18("6","1","1","8","8","5","1") = "7"
    & skf18("6","1","1","8","8","6","1") = "7"
    & skf18("6","1","1","8","8","7","1") = "7"
    & skf18("6","1","1","8","8","8","1") = "7"
    & skf18("6","1","1","8","8","9","1") = "8"
    & skf18("6","1","1","8","8","10","1") = "9"
    & skf18("6","1","1","8","9","1","1") = "8"
    & skf18("6","1","1","8","9","2","1") = "8"
    & skf18("6","1","1","8","9","3","1") = "8"
    & skf18("6","1","1","8","9","4","1") = "8"
    & skf18("6","1","1","8","9","5","1") = "8"
    & skf18("6","1","1","8","9","6","1") = "8"
    & skf18("6","1","1","8","9","7","1") = "8"
    & skf18("6","1","1","8","9","8","1") = "8"
    & skf18("6","1","1","8","9","9","1") = "8"
    & skf18("6","1","1","8","9","10","1") = "9"
    & skf18("6","1","1","8","10","1","1") = "9"
    & skf18("6","1","1","8","10","2","1") = "9"
    & skf18("6","1","1","8","10","3","1") = "9"
    & skf18("6","1","1","8","10","4","1") = "9"
    & skf18("6","1","1","8","10","5","1") = "9"
    & skf18("6","1","1","8","10","6","1") = "9"
    & skf18("6","1","1","8","10","7","1") = "9"
    & skf18("6","1","1","8","10","8","1") = "9"
    & skf18("6","1","1","8","10","9","1") = "9"
    & skf18("6","1","1","8","10","10","1") = "9"
    & skf18("6","1","1","9","1","1","1") = "8"
    & skf18("6","1","1","9","1","2","1") = "8"
    & skf18("6","1","1","9","1","3","1") = "8"
    & skf18("6","1","1","9","1","4","1") = "8"
    & skf18("6","1","1","9","1","5","1") = "8"
    & skf18("6","1","1","9","1","6","1") = "8"
    & skf18("6","1","1","9","1","7","1") = "8"
    & skf18("6","1","1","9","1","8","1") = "8"
    & skf18("6","1","1","9","1","9","1") = "8"
    & skf18("6","1","1","9","1","10","1") = "9"
    & skf18("6","1","1","9","2","1","1") = "8"
    & skf18("6","1","1","9","2","2","1") = "8"
    & skf18("6","1","1","9","2","3","1") = "8"
    & skf18("6","1","1","9","2","4","1") = "8"
    & skf18("6","1","1","9","2","5","1") = "8"
    & skf18("6","1","1","9","2","6","1") = "8"
    & skf18("6","1","1","9","2","7","1") = "8"
    & skf18("6","1","1","9","2","8","1") = "8"
    & skf18("6","1","1","9","2","9","1") = "8"
    & skf18("6","1","1","9","2","10","1") = "9"
    & skf18("6","1","1","9","3","1","1") = "8"
    & skf18("6","1","1","9","3","2","1") = "8"
    & skf18("6","1","1","9","3","3","1") = "8"
    & skf18("6","1","1","9","3","4","1") = "8"
    & skf18("6","1","1","9","3","5","1") = "8"
    & skf18("6","1","1","9","3","6","1") = "8"
    & skf18("6","1","1","9","3","7","1") = "8"
    & skf18("6","1","1","9","3","8","1") = "8"
    & skf18("6","1","1","9","3","9","1") = "8"
    & skf18("6","1","1","9","3","10","1") = "9"
    & skf18("6","1","1","9","4","1","1") = "8"
    & skf18("6","1","1","9","4","2","1") = "8"
    & skf18("6","1","1","9","4","3","1") = "8"
    & skf18("6","1","1","9","4","4","1") = "8"
    & skf18("6","1","1","9","4","5","1") = "8"
    & skf18("6","1","1","9","4","6","1") = "8"
    & skf18("6","1","1","9","4","7","1") = "8"
    & skf18("6","1","1","9","4","8","1") = "8"
    & skf18("6","1","1","9","4","9","1") = "8"
    & skf18("6","1","1","9","4","10","1") = "9"
    & skf18("6","1","1","9","5","1","1") = "8"
    & skf18("6","1","1","9","5","2","1") = "8"
    & skf18("6","1","1","9","5","3","1") = "8"
    & skf18("6","1","1","9","5","4","1") = "8"
    & skf18("6","1","1","9","5","5","1") = "8"
    & skf18("6","1","1","9","5","6","1") = "8"
    & skf18("6","1","1","9","5","7","1") = "8"
    & skf18("6","1","1","9","5","8","1") = "8"
    & skf18("6","1","1","9","5","9","1") = "8"
    & skf18("6","1","1","9","5","10","1") = "9"
    & skf18("6","1","1","9","6","1","1") = "8"
    & skf18("6","1","1","9","6","2","1") = "8"
    & skf18("6","1","1","9","6","3","1") = "8"
    & skf18("6","1","1","9","6","4","1") = "8"
    & skf18("6","1","1","9","6","5","1") = "8"
    & skf18("6","1","1","9","6","6","1") = "8"
    & skf18("6","1","1","9","6","7","1") = "8"
    & skf18("6","1","1","9","6","8","1") = "8"
    & skf18("6","1","1","9","6","9","1") = "8"
    & skf18("6","1","1","9","6","10","1") = "9"
    & skf18("6","1","1","9","7","1","1") = "8"
    & skf18("6","1","1","9","7","2","1") = "8"
    & skf18("6","1","1","9","7","3","1") = "8"
    & skf18("6","1","1","9","7","4","1") = "8"
    & skf18("6","1","1","9","7","5","1") = "8"
    & skf18("6","1","1","9","7","6","1") = "8"
    & skf18("6","1","1","9","7","7","1") = "8"
    & skf18("6","1","1","9","7","8","1") = "8"
    & skf18("6","1","1","9","7","9","1") = "8"
    & skf18("6","1","1","9","7","10","1") = "9"
    & skf18("6","1","1","9","8","1","1") = "8"
    & skf18("6","1","1","9","8","2","1") = "8"
    & skf18("6","1","1","9","8","3","1") = "8"
    & skf18("6","1","1","9","8","4","1") = "8"
    & skf18("6","1","1","9","8","5","1") = "8"
    & skf18("6","1","1","9","8","6","1") = "8"
    & skf18("6","1","1","9","8","7","1") = "8"
    & skf18("6","1","1","9","8","8","1") = "8"
    & skf18("6","1","1","9","8","9","1") = "8"
    & skf18("6","1","1","9","8","10","1") = "9"
    & skf18("6","1","1","9","9","1","1") = "8"
    & skf18("6","1","1","9","9","2","1") = "8"
    & skf18("6","1","1","9","9","3","1") = "8"
    & skf18("6","1","1","9","9","4","1") = "8"
    & skf18("6","1","1","9","9","5","1") = "8"
    & skf18("6","1","1","9","9","6","1") = "8"
    & skf18("6","1","1","9","9","7","1") = "8"
    & skf18("6","1","1","9","9","8","1") = "8"
    & skf18("6","1","1","9","9","9","1") = "8"
    & skf18("6","1","1","9","9","10","1") = "9"
    & skf18("6","1","1","9","10","1","1") = "9"
    & skf18("6","1","1","9","10","2","1") = "9"
    & skf18("6","1","1","9","10","3","1") = "9"
    & skf18("6","1","1","9","10","4","1") = "9"
    & skf18("6","1","1","9","10","5","1") = "9"
    & skf18("6","1","1","9","10","6","1") = "9"
    & skf18("6","1","1","9","10","7","1") = "9"
    & skf18("6","1","1","9","10","8","1") = "9"
    & skf18("6","1","1","9","10","9","1") = "9"
    & skf18("6","1","1","9","10","10","1") = "9"
    & skf18("6","1","1","10","1","1","1") = "9"
    & skf18("6","1","1","10","1","2","1") = "9"
    & skf18("6","1","1","10","1","3","1") = "9"
    & skf18("6","1","1","10","1","4","1") = "9"
    & skf18("6","1","1","10","1","5","1") = "9"
    & skf18("6","1","1","10","1","6","1") = "9"
    & skf18("6","1","1","10","1","7","1") = "9"
    & skf18("6","1","1","10","1","8","1") = "9"
    & skf18("6","1","1","10","1","9","1") = "9"
    & skf18("6","1","1","10","1","10","1") = "9"
    & skf18("6","1","1","10","2","1","1") = "9"
    & skf18("6","1","1","10","2","2","1") = "9"
    & skf18("6","1","1","10","2","3","1") = "9"
    & skf18("6","1","1","10","2","4","1") = "9"
    & skf18("6","1","1","10","2","5","1") = "9"
    & skf18("6","1","1","10","2","6","1") = "9"
    & skf18("6","1","1","10","2","7","1") = "9"
    & skf18("6","1","1","10","2","8","1") = "9"
    & skf18("6","1","1","10","2","9","1") = "9"
    & skf18("6","1","1","10","2","10","1") = "9"
    & skf18("6","1","1","10","3","1","1") = "9"
    & skf18("6","1","1","10","3","2","1") = "9"
    & skf18("6","1","1","10","3","3","1") = "9"
    & skf18("6","1","1","10","3","4","1") = "9"
    & skf18("6","1","1","10","3","5","1") = "9"
    & skf18("6","1","1","10","3","6","1") = "9"
    & skf18("6","1","1","10","3","7","1") = "9"
    & skf18("6","1","1","10","3","8","1") = "9"
    & skf18("6","1","1","10","3","9","1") = "9"
    & skf18("6","1","1","10","3","10","1") = "9"
    & skf18("6","1","1","10","4","1","1") = "9"
    & skf18("6","1","1","10","4","2","1") = "9"
    & skf18("6","1","1","10","4","3","1") = "9"
    & skf18("6","1","1","10","4","4","1") = "9"
    & skf18("6","1","1","10","4","5","1") = "9"
    & skf18("6","1","1","10","4","6","1") = "9"
    & skf18("6","1","1","10","4","7","1") = "9"
    & skf18("6","1","1","10","4","8","1") = "9"
    & skf18("6","1","1","10","4","9","1") = "9"
    & skf18("6","1","1","10","4","10","1") = "9"
    & skf18("6","1","1","10","5","1","1") = "9"
    & skf18("6","1","1","10","5","2","1") = "9"
    & skf18("6","1","1","10","5","3","1") = "9"
    & skf18("6","1","1","10","5","4","1") = "9"
    & skf18("6","1","1","10","5","5","1") = "9"
    & skf18("6","1","1","10","5","6","1") = "9"
    & skf18("6","1","1","10","5","7","1") = "9"
    & skf18("6","1","1","10","5","8","1") = "9"
    & skf18("6","1","1","10","5","9","1") = "9"
    & skf18("6","1","1","10","5","10","1") = "9"
    & skf18("6","1","1","10","6","1","1") = "9"
    & skf18("6","1","1","10","6","2","1") = "9"
    & skf18("6","1","1","10","6","3","1") = "9"
    & skf18("6","1","1","10","6","4","1") = "9"
    & skf18("6","1","1","10","6","5","1") = "9"
    & skf18("6","1","1","10","6","6","1") = "9"
    & skf18("6","1","1","10","6","7","1") = "9"
    & skf18("6","1","1","10","6","8","1") = "9"
    & skf18("6","1","1","10","6","9","1") = "9"
    & skf18("6","1","1","10","6","10","1") = "9"
    & skf18("6","1","1","10","7","1","1") = "9"
    & skf18("6","1","1","10","7","2","1") = "9"
    & skf18("6","1","1","10","7","3","1") = "9"
    & skf18("6","1","1","10","7","4","1") = "9"
    & skf18("6","1","1","10","7","5","1") = "9"
    & skf18("6","1","1","10","7","6","1") = "9"
    & skf18("6","1","1","10","7","7","1") = "9"
    & skf18("6","1","1","10","7","8","1") = "9"
    & skf18("6","1","1","10","7","9","1") = "9"
    & skf18("6","1","1","10","7","10","1") = "9"
    & skf18("6","1","1","10","8","1","1") = "9"
    & skf18("6","1","1","10","8","2","1") = "9"
    & skf18("6","1","1","10","8","3","1") = "9"
    & skf18("6","1","1","10","8","4","1") = "9"
    & skf18("6","1","1","10","8","5","1") = "9"
    & skf18("6","1","1","10","8","6","1") = "9"
    & skf18("6","1","1","10","8","7","1") = "9"
    & skf18("6","1","1","10","8","8","1") = "9"
    & skf18("6","1","1","10","8","9","1") = "9"
    & skf18("6","1","1","10","8","10","1") = "9"
    & skf18("6","1","1","10","9","1","1") = "9"
    & skf18("6","1","1","10","9","2","1") = "9"
    & skf18("6","1","1","10","9","3","1") = "9"
    & skf18("6","1","1","10","9","4","1") = "9"
    & skf18("6","1","1","10","9","5","1") = "9"
    & skf18("6","1","1","10","9","6","1") = "9"
    & skf18("6","1","1","10","9","7","1") = "9"
    & skf18("6","1","1","10","9","8","1") = "9"
    & skf18("6","1","1","10","9","9","1") = "9"
    & skf18("6","1","1","10","9","10","1") = "9"
    & skf18("6","1","1","10","10","1","1") = "9"
    & skf18("6","1","1","10","10","2","1") = "9"
    & skf18("6","1","1","10","10","3","1") = "9"
    & skf18("6","1","1","10","10","4","1") = "9"
    & skf18("6","1","1","10","10","5","1") = "9"
    & skf18("6","1","1","10","10","6","1") = "9"
    & skf18("6","1","1","10","10","7","1") = "9"
    & skf18("6","1","1","10","10","8","1") = "9"
    & skf18("6","1","1","10","10","9","1") = "9"
    & skf18("6","1","1","10","10","10","1") = "9"
    & skf18("6","1","2","1","1","1","1") = "5"
    & skf18("6","1","2","1","1","2","1") = "5"
    & skf18("6","1","2","1","1","3","1") = "5"
    & skf18("6","1","2","1","1","4","1") = "5"
    & skf18("6","1","2","1","1","5","1") = "5"
    & skf18("6","1","2","1","1","6","1") = "5"
    & skf18("6","1","2","1","1","7","1") = "6"
    & skf18("6","1","2","1","1","8","1") = "7"
    & skf18("6","1","2","1","1","9","1") = "8"
    & skf18("6","1","2","1","1","10","1") = "9"
    & skf18("6","1","2","1","2","1","1") = "5"
    & skf18("6","1","2","1","2","2","1") = "5"
    & skf18("6","1","2","1","2","3","1") = "5"
    & skf18("6","1","2","1","2","4","1") = "5"
    & skf18("6","1","2","1","2","5","1") = "5"
    & skf18("6","1","2","1","2","6","1") = "5"
    & skf18("6","1","2","1","2","7","1") = "6"
    & skf18("6","1","2","1","2","8","1") = "7"
    & skf18("6","1","2","1","2","9","1") = "8"
    & skf18("6","1","2","1","2","10","1") = "9"
    & skf18("6","1","2","1","3","1","1") = "5"
    & skf18("6","1","2","1","3","2","1") = "5"
    & skf18("6","1","2","1","3","3","1") = "5"
    & skf18("6","1","2","1","3","4","1") = "5"
    & skf18("6","1","2","1","3","5","1") = "5"
    & skf18("6","1","2","1","3","6","1") = "5"
    & skf18("6","1","2","1","3","7","1") = "6"
    & skf18("6","1","2","1","3","8","1") = "7"
    & skf18("6","1","2","1","3","9","1") = "8"
    & skf18("6","1","2","1","3","10","1") = "9"
    & skf18("6","1","2","1","4","1","1") = "5"
    & skf18("6","1","2","1","4","2","1") = "5"
    & skf18("6","1","2","1","4","3","1") = "5"
    & skf18("6","1","2","1","4","4","1") = "5"
    & skf18("6","1","2","1","4","5","1") = "5"
    & skf18("6","1","2","1","4","6","1") = "5"
    & skf18("6","1","2","1","4","7","1") = "6"
    & skf18("6","1","2","1","4","8","1") = "7"
    & skf18("6","1","2","1","4","9","1") = "8"
    & skf18("6","1","2","1","4","10","1") = "9"
    & skf18("6","1","2","1","5","1","1") = "5"
    & skf18("6","1","2","1","5","2","1") = "5"
    & skf18("6","1","2","1","5","3","1") = "5"
    & skf18("6","1","2","1","5","4","1") = "5"
    & skf18("6","1","2","1","5","5","1") = "5"
    & skf18("6","1","2","1","5","6","1") = "5"
    & skf18("6","1","2","1","5","7","1") = "6"
    & skf18("6","1","2","1","5","8","1") = "7"
    & skf18("6","1","2","1","5","9","1") = "8"
    & skf18("6","1","2","1","5","10","1") = "9"
    & skf18("6","1","2","1","6","1","1") = "5"
    & skf18("6","1","2","1","6","2","1") = "5"
    & skf18("6","1","2","1","6","3","1") = "5"
    & skf18("6","1","2","1","6","4","1") = "5"
    & skf18("6","1","2","1","6","5","1") = "5"
    & skf18("6","1","2","1","6","6","1") = "5"
    & skf18("6","1","2","1","6","7","1") = "6"
    & skf18("6","1","2","1","6","8","1") = "7"
    & skf18("6","1","2","1","6","9","1") = "8"
    & skf18("6","1","2","1","6","10","1") = "9"
    & skf18("6","1","2","1","7","1","1") = "6"
    & skf18("6","1","2","1","7","2","1") = "6"
    & skf18("6","1","2","1","7","3","1") = "6"
    & skf18("6","1","2","1","7","4","1") = "6"
    & skf18("6","1","2","1","7","5","1") = "6"
    & skf18("6","1","2","1","7","6","1") = "6"
    & skf18("6","1","2","1","7","7","1") = "6"
    & skf18("6","1","2","1","7","8","1") = "7"
    & skf18("6","1","2","1","7","9","1") = "8"
    & skf18("6","1","2","1","7","10","1") = "9"
    & skf18("6","1","2","1","8","1","1") = "7"
    & skf18("6","1","2","1","8","2","1") = "7"
    & skf18("6","1","2","1","8","3","1") = "7"
    & skf18("6","1","2","1","8","4","1") = "7"
    & skf18("6","1","2","1","8","5","1") = "7"
    & skf18("6","1","2","1","8","6","1") = "7"
    & skf18("6","1","2","1","8","7","1") = "7"
    & skf18("6","1","2","1","8","8","1") = "7"
    & skf18("6","1","2","1","8","9","1") = "8"
    & skf18("6","1","2","1","8","10","1") = "9"
    & skf18("6","1","2","1","9","1","1") = "8"
    & skf18("6","1","2","1","9","2","1") = "8"
    & skf18("6","1","2","1","9","3","1") = "8"
    & skf18("6","1","2","1","9","4","1") = "8"
    & skf18("6","1","2","1","9","5","1") = "8"
    & skf18("6","1","2","1","9","6","1") = "8"
    & skf18("6","1","2","1","9","7","1") = "8"
    & skf18("6","1","2","1","9","8","1") = "8"
    & skf18("6","1","2","1","9","9","1") = "8"
    & skf18("6","1","2","1","9","10","1") = "9"
    & skf18("6","1","2","1","10","1","1") = "9"
    & skf18("6","1","2","1","10","2","1") = "9"
    & skf18("6","1","2","1","10","3","1") = "9"
    & skf18("6","1","2","1","10","4","1") = "9"
    & skf18("6","1","2","1","10","5","1") = "9"
    & skf18("6","1","2","1","10","6","1") = "9"
    & skf18("6","1","2","1","10","7","1") = "9"
    & skf18("6","1","2","1","10","8","1") = "9"
    & skf18("6","1","2","1","10","9","1") = "9"
    & skf18("6","1","2","1","10","10","1") = "9"
    & skf18("6","1","2","2","1","1","1") = "5"
    & skf18("6","1","2","2","1","2","1") = "5"
    & skf18("6","1","2","2","1","3","1") = "5"
    & skf18("6","1","2","2","1","4","1") = "5"
    & skf18("6","1","2","2","1","5","1") = "5"
    & skf18("6","1","2","2","1","6","1") = "5"
    & skf18("6","1","2","2","1","7","1") = "6"
    & skf18("6","1","2","2","1","8","1") = "7"
    & skf18("6","1","2","2","1","9","1") = "8"
    & skf18("6","1","2","2","1","10","1") = "9"
    & skf18("6","1","2","2","2","1","1") = "5"
    & skf18("6","1","2","2","2","2","1") = "5"
    & skf18("6","1","2","2","2","3","1") = "5"
    & skf18("6","1","2","2","2","4","1") = "5"
    & skf18("6","1","2","2","2","5","1") = "5"
    & skf18("6","1","2","2","2","6","1") = "5"
    & skf18("6","1","2","2","2","7","1") = "6"
    & skf18("6","1","2","2","2","8","1") = "7"
    & skf18("6","1","2","2","2","9","1") = "8"
    & skf18("6","1","2","2","2","10","1") = "9"
    & skf18("6","1","2","2","3","1","1") = "5"
    & skf18("6","1","2","2","3","2","1") = "5"
    & skf18("6","1","2","2","3","3","1") = "5"
    & skf18("6","1","2","2","3","4","1") = "5"
    & skf18("6","1","2","2","3","5","1") = "5"
    & skf18("6","1","2","2","3","6","1") = "5"
    & skf18("6","1","2","2","3","7","1") = "6"
    & skf18("6","1","2","2","3","8","1") = "7"
    & skf18("6","1","2","2","3","9","1") = "8"
    & skf18("6","1","2","2","3","10","1") = "9"
    & skf18("6","1","2","2","4","1","1") = "5"
    & skf18("6","1","2","2","4","2","1") = "5"
    & skf18("6","1","2","2","4","3","1") = "5"
    & skf18("6","1","2","2","4","4","1") = "5"
    & skf18("6","1","2","2","4","5","1") = "5"
    & skf18("6","1","2","2","4","6","1") = "5"
    & skf18("6","1","2","2","4","7","1") = "6"
    & skf18("6","1","2","2","4","8","1") = "7"
    & skf18("6","1","2","2","4","9","1") = "8"
    & skf18("6","1","2","2","4","10","1") = "9"
    & skf18("6","1","2","2","5","1","1") = "5"
    & skf18("6","1","2","2","5","2","1") = "5"
    & skf18("6","1","2","2","5","3","1") = "5"
    & skf18("6","1","2","2","5","4","1") = "5"
    & skf18("6","1","2","2","5","5","1") = "5"
    & skf18("6","1","2","2","5","6","1") = "5"
    & skf18("6","1","2","2","5","7","1") = "6"
    & skf18("6","1","2","2","5","8","1") = "7"
    & skf18("6","1","2","2","5","9","1") = "8"
    & skf18("6","1","2","2","5","10","1") = "9"
    & skf18("6","1","2","2","6","1","1") = "5"
    & skf18("6","1","2","2","6","2","1") = "5"
    & skf18("6","1","2","2","6","3","1") = "5"
    & skf18("6","1","2","2","6","4","1") = "5"
    & skf18("6","1","2","2","6","5","1") = "5"
    & skf18("6","1","2","2","6","6","1") = "5"
    & skf18("6","1","2","2","6","7","1") = "6"
    & skf18("6","1","2","2","6","8","1") = "7"
    & skf18("6","1","2","2","6","9","1") = "8"
    & skf18("6","1","2","2","6","10","1") = "9"
    & skf18("6","1","2","2","7","1","1") = "6"
    & skf18("6","1","2","2","7","2","1") = "6"
    & skf18("6","1","2","2","7","3","1") = "6"
    & skf18("6","1","2","2","7","4","1") = "6"
    & skf18("6","1","2","2","7","5","1") = "6"
    & skf18("6","1","2","2","7","6","1") = "6"
    & skf18("6","1","2","2","7","7","1") = "6"
    & skf18("6","1","2","2","7","8","1") = "7"
    & skf18("6","1","2","2","7","9","1") = "8"
    & skf18("6","1","2","2","7","10","1") = "9"
    & skf18("6","1","2","2","8","1","1") = "7"
    & skf18("6","1","2","2","8","2","1") = "7"
    & skf18("6","1","2","2","8","3","1") = "7"
    & skf18("6","1","2","2","8","4","1") = "7"
    & skf18("6","1","2","2","8","5","1") = "7"
    & skf18("6","1","2","2","8","6","1") = "7"
    & skf18("6","1","2","2","8","7","1") = "7"
    & skf18("6","1","2","2","8","8","1") = "7"
    & skf18("6","1","2","2","8","9","1") = "8"
    & skf18("6","1","2","2","8","10","1") = "9"
    & skf18("6","1","2","2","9","1","1") = "8"
    & skf18("6","1","2","2","9","2","1") = "8"
    & skf18("6","1","2","2","9","3","1") = "8"
    & skf18("6","1","2","2","9","4","1") = "8"
    & skf18("6","1","2","2","9","5","1") = "8"
    & skf18("6","1","2","2","9","6","1") = "8"
    & skf18("6","1","2","2","9","7","1") = "8"
    & skf18("6","1","2","2","9","8","1") = "8"
    & skf18("6","1","2","2","9","9","1") = "8"
    & skf18("6","1","2","2","9","10","1") = "9"
    & skf18("6","1","2","2","10","1","1") = "9"
    & skf18("6","1","2","2","10","2","1") = "9"
    & skf18("6","1","2","2","10","3","1") = "9"
    & skf18("6","1","2","2","10","4","1") = "9"
    & skf18("6","1","2","2","10","5","1") = "9"
    & skf18("6","1","2","2","10","6","1") = "9"
    & skf18("6","1","2","2","10","7","1") = "9"
    & skf18("6","1","2","2","10","8","1") = "9"
    & skf18("6","1","2","2","10","9","1") = "9"
    & skf18("6","1","2","2","10","10","1") = "9"
    & skf18("6","1","2","3","1","1","1") = "5"
    & skf18("6","1","2","3","1","2","1") = "5"
    & skf18("6","1","2","3","1","3","1") = "5"
    & skf18("6","1","2","3","1","4","1") = "5"
    & skf18("6","1","2","3","1","5","1") = "5"
    & skf18("6","1","2","3","1","6","1") = "5"
    & skf18("6","1","2","3","1","7","1") = "6"
    & skf18("6","1","2","3","1","8","1") = "7"
    & skf18("6","1","2","3","1","9","1") = "8"
    & skf18("6","1","2","3","1","10","1") = "9"
    & skf18("6","1","2","3","2","1","1") = "5"
    & skf18("6","1","2","3","2","2","1") = "5"
    & skf18("6","1","2","3","2","3","1") = "5"
    & skf18("6","1","2","3","2","4","1") = "5"
    & skf18("6","1","2","3","2","5","1") = "5"
    & skf18("6","1","2","3","2","6","1") = "5"
    & skf18("6","1","2","3","2","7","1") = "6"
    & skf18("6","1","2","3","2","8","1") = "7"
    & skf18("6","1","2","3","2","9","1") = "8"
    & skf18("6","1","2","3","2","10","1") = "9"
    & skf18("6","1","2","3","3","1","1") = "5"
    & skf18("6","1","2","3","3","2","1") = "5"
    & skf18("6","1","2","3","3","3","1") = "5"
    & skf18("6","1","2","3","3","4","1") = "5"
    & skf18("6","1","2","3","3","5","1") = "5"
    & skf18("6","1","2","3","3","6","1") = "5"
    & skf18("6","1","2","3","3","7","1") = "6"
    & skf18("6","1","2","3","3","8","1") = "7"
    & skf18("6","1","2","3","3","9","1") = "8"
    & skf18("6","1","2","3","3","10","1") = "9"
    & skf18("6","1","2","3","4","1","1") = "5"
    & skf18("6","1","2","3","4","2","1") = "5"
    & skf18("6","1","2","3","4","3","1") = "5"
    & skf18("6","1","2","3","4","4","1") = "5"
    & skf18("6","1","2","3","4","5","1") = "5"
    & skf18("6","1","2","3","4","6","1") = "5"
    & skf18("6","1","2","3","4","7","1") = "6"
    & skf18("6","1","2","3","4","8","1") = "7"
    & skf18("6","1","2","3","4","9","1") = "8"
    & skf18("6","1","2","3","4","10","1") = "9"
    & skf18("6","1","2","3","5","1","1") = "5"
    & skf18("6","1","2","3","5","2","1") = "5"
    & skf18("6","1","2","3","5","3","1") = "5"
    & skf18("6","1","2","3","5","4","1") = "5"
    & skf18("6","1","2","3","5","5","1") = "5"
    & skf18("6","1","2","3","5","6","1") = "5"
    & skf18("6","1","2","3","5","7","1") = "6"
    & skf18("6","1","2","3","5","8","1") = "7"
    & skf18("6","1","2","3","5","9","1") = "8"
    & skf18("6","1","2","3","5","10","1") = "9"
    & skf18("6","1","2","3","6","1","1") = "5"
    & skf18("6","1","2","3","6","2","1") = "5"
    & skf18("6","1","2","3","6","3","1") = "5"
    & skf18("6","1","2","3","6","4","1") = "5"
    & skf18("6","1","2","3","6","5","1") = "5"
    & skf18("6","1","2","3","6","6","1") = "5"
    & skf18("6","1","2","3","6","7","1") = "6"
    & skf18("6","1","2","3","6","8","1") = "7"
    & skf18("6","1","2","3","6","9","1") = "8"
    & skf18("6","1","2","3","6","10","1") = "9"
    & skf18("6","1","2","3","7","1","1") = "6"
    & skf18("6","1","2","3","7","2","1") = "6"
    & skf18("6","1","2","3","7","3","1") = "6"
    & skf18("6","1","2","3","7","4","1") = "6"
    & skf18("6","1","2","3","7","5","1") = "6"
    & skf18("6","1","2","3","7","6","1") = "6"
    & skf18("6","1","2","3","7","7","1") = "6"
    & skf18("6","1","2","3","7","8","1") = "7"
    & skf18("6","1","2","3","7","9","1") = "8"
    & skf18("6","1","2","3","7","10","1") = "9"
    & skf18("6","1","2","3","8","1","1") = "7"
    & skf18("6","1","2","3","8","2","1") = "7"
    & skf18("6","1","2","3","8","3","1") = "7"
    & skf18("6","1","2","3","8","4","1") = "7"
    & skf18("6","1","2","3","8","5","1") = "7"
    & skf18("6","1","2","3","8","6","1") = "7"
    & skf18("6","1","2","3","8","7","1") = "7"
    & skf18("6","1","2","3","8","8","1") = "7"
    & skf18("6","1","2","3","8","9","1") = "8"
    & skf18("6","1","2","3","8","10","1") = "9"
    & skf18("6","1","2","3","9","1","1") = "8"
    & skf18("6","1","2","3","9","2","1") = "8"
    & skf18("6","1","2","3","9","3","1") = "8"
    & skf18("6","1","2","3","9","4","1") = "8"
    & skf18("6","1","2","3","9","5","1") = "8"
    & skf18("6","1","2","3","9","6","1") = "8"
    & skf18("6","1","2","3","9","7","1") = "8"
    & skf18("6","1","2","3","9","8","1") = "8"
    & skf18("6","1","2","3","9","9","1") = "8"
    & skf18("6","1","2","3","9","10","1") = "9"
    & skf18("6","1","2","3","10","1","1") = "9"
    & skf18("6","1","2","3","10","2","1") = "9"
    & skf18("6","1","2","3","10","3","1") = "9"
    & skf18("6","1","2","3","10","4","1") = "9"
    & skf18("6","1","2","3","10","5","1") = "9"
    & skf18("6","1","2","3","10","6","1") = "9"
    & skf18("6","1","2","3","10","7","1") = "9"
    & skf18("6","1","2","3","10","8","1") = "9"
    & skf18("6","1","2","3","10","9","1") = "9"
    & skf18("6","1","2","3","10","10","1") = "9"
    & skf18("6","1","2","4","1","1","1") = "5"
    & skf18("6","1","2","4","1","2","1") = "5"
    & skf18("6","1","2","4","1","3","1") = "5"
    & skf18("6","1","2","4","1","4","1") = "5"
    & skf18("6","1","2","4","1","5","1") = "5"
    & skf18("6","1","2","4","1","6","1") = "5"
    & skf18("6","1","2","4","1","7","1") = "6"
    & skf18("6","1","2","4","1","8","1") = "7"
    & skf18("6","1","2","4","1","9","1") = "8"
    & skf18("6","1","2","4","1","10","1") = "9"
    & skf18("6","1","2","4","2","1","1") = "5"
    & skf18("6","1","2","4","2","2","1") = "5"
    & skf18("6","1","2","4","2","3","1") = "5"
    & skf18("6","1","2","4","2","4","1") = "5"
    & skf18("6","1","2","4","2","5","1") = "5"
    & skf18("6","1","2","4","2","6","1") = "5"
    & skf18("6","1","2","4","2","7","1") = "6"
    & skf18("6","1","2","4","2","8","1") = "7"
    & skf18("6","1","2","4","2","9","1") = "8"
    & skf18("6","1","2","4","2","10","1") = "9"
    & skf18("6","1","2","4","3","1","1") = "5"
    & skf18("6","1","2","4","3","2","1") = "5"
    & skf18("6","1","2","4","3","3","1") = "5"
    & skf18("6","1","2","4","3","4","1") = "5"
    & skf18("6","1","2","4","3","5","1") = "5"
    & skf18("6","1","2","4","3","6","1") = "5"
    & skf18("6","1","2","4","3","7","1") = "6"
    & skf18("6","1","2","4","3","8","1") = "7"
    & skf18("6","1","2","4","3","9","1") = "8"
    & skf18("6","1","2","4","3","10","1") = "9"
    & skf18("6","1","2","4","4","1","1") = "5"
    & skf18("6","1","2","4","4","2","1") = "5"
    & skf18("6","1","2","4","4","3","1") = "5"
    & skf18("6","1","2","4","4","4","1") = "5"
    & skf18("6","1","2","4","4","5","1") = "5"
    & skf18("6","1","2","4","4","6","1") = "5"
    & skf18("6","1","2","4","4","7","1") = "6"
    & skf18("6","1","2","4","4","8","1") = "7"
    & skf18("6","1","2","4","4","9","1") = "8"
    & skf18("6","1","2","4","4","10","1") = "9"
    & skf18("6","1","2","4","5","1","1") = "5"
    & skf18("6","1","2","4","5","2","1") = "5"
    & skf18("6","1","2","4","5","3","1") = "5"
    & skf18("6","1","2","4","5","4","1") = "5"
    & skf18("6","1","2","4","5","5","1") = "5"
    & skf18("6","1","2","4","5","6","1") = "5"
    & skf18("6","1","2","4","5","7","1") = "6"
    & skf18("6","1","2","4","5","8","1") = "7"
    & skf18("6","1","2","4","5","9","1") = "8"
    & skf18("6","1","2","4","5","10","1") = "9"
    & skf18("6","1","2","4","6","1","1") = "5"
    & skf18("6","1","2","4","6","2","1") = "5"
    & skf18("6","1","2","4","6","3","1") = "5"
    & skf18("6","1","2","4","6","4","1") = "5"
    & skf18("6","1","2","4","6","5","1") = "5"
    & skf18("6","1","2","4","6","6","1") = "5"
    & skf18("6","1","2","4","6","7","1") = "6"
    & skf18("6","1","2","4","6","8","1") = "7"
    & skf18("6","1","2","4","6","9","1") = "8"
    & skf18("6","1","2","4","6","10","1") = "9"
    & skf18("6","1","2","4","7","1","1") = "6"
    & skf18("6","1","2","4","7","2","1") = "6"
    & skf18("6","1","2","4","7","3","1") = "6"
    & skf18("6","1","2","4","7","4","1") = "6"
    & skf18("6","1","2","4","7","5","1") = "6"
    & skf18("6","1","2","4","7","6","1") = "6"
    & skf18("6","1","2","4","7","7","1") = "6"
    & skf18("6","1","2","4","7","8","1") = "7"
    & skf18("6","1","2","4","7","9","1") = "8"
    & skf18("6","1","2","4","7","10","1") = "9"
    & skf18("6","1","2","4","8","1","1") = "7"
    & skf18("6","1","2","4","8","2","1") = "7"
    & skf18("6","1","2","4","8","3","1") = "7"
    & skf18("6","1","2","4","8","4","1") = "7"
    & skf18("6","1","2","4","8","5","1") = "7"
    & skf18("6","1","2","4","8","6","1") = "7"
    & skf18("6","1","2","4","8","7","1") = "7"
    & skf18("6","1","2","4","8","8","1") = "7"
    & skf18("6","1","2","4","8","9","1") = "8"
    & skf18("6","1","2","4","8","10","1") = "9"
    & skf18("6","1","2","4","9","1","1") = "8"
    & skf18("6","1","2","4","9","2","1") = "8"
    & skf18("6","1","2","4","9","3","1") = "8"
    & skf18("6","1","2","4","9","4","1") = "8"
    & skf18("6","1","2","4","9","5","1") = "8"
    & skf18("6","1","2","4","9","6","1") = "8"
    & skf18("6","1","2","4","9","7","1") = "8"
    & skf18("6","1","2","4","9","8","1") = "8"
    & skf18("6","1","2","4","9","9","1") = "8"
    & skf18("6","1","2","4","9","10","1") = "9"
    & skf18("6","1","2","4","10","1","1") = "9"
    & skf18("6","1","2","4","10","2","1") = "9"
    & skf18("6","1","2","4","10","3","1") = "9"
    & skf18("6","1","2","4","10","4","1") = "9"
    & skf18("6","1","2","4","10","5","1") = "9"
    & skf18("6","1","2","4","10","6","1") = "9"
    & skf18("6","1","2","4","10","7","1") = "9"
    & skf18("6","1","2","4","10","8","1") = "9"
    & skf18("6","1","2","4","10","9","1") = "9"
    & skf18("6","1","2","4","10","10","1") = "9"
    & skf18("6","1","2","5","1","1","1") = "5"
    & skf18("6","1","2","5","1","2","1") = "5"
    & skf18("6","1","2","5","1","3","1") = "5"
    & skf18("6","1","2","5","1","4","1") = "5"
    & skf18("6","1","2","5","1","5","1") = "5"
    & skf18("6","1","2","5","1","6","1") = "5"
    & skf18("6","1","2","5","1","7","1") = "6"
    & skf18("6","1","2","5","1","8","1") = "7"
    & skf18("6","1","2","5","1","9","1") = "8"
    & skf18("6","1","2","5","1","10","1") = "9"
    & skf18("6","1","2","5","2","1","1") = "5"
    & skf18("6","1","2","5","2","2","1") = "5"
    & skf18("6","1","2","5","2","3","1") = "5"
    & skf18("6","1","2","5","2","4","1") = "5"
    & skf18("6","1","2","5","2","5","1") = "5"
    & skf18("6","1","2","5","2","6","1") = "5"
    & skf18("6","1","2","5","2","7","1") = "6"
    & skf18("6","1","2","5","2","8","1") = "7"
    & skf18("6","1","2","5","2","9","1") = "8"
    & skf18("6","1","2","5","2","10","1") = "9"
    & skf18("6","1","2","5","3","1","1") = "5"
    & skf18("6","1","2","5","3","2","1") = "5"
    & skf18("6","1","2","5","3","3","1") = "5"
    & skf18("6","1","2","5","3","4","1") = "5"
    & skf18("6","1","2","5","3","5","1") = "5"
    & skf18("6","1","2","5","3","6","1") = "5"
    & skf18("6","1","2","5","3","7","1") = "6"
    & skf18("6","1","2","5","3","8","1") = "7"
    & skf18("6","1","2","5","3","9","1") = "8"
    & skf18("6","1","2","5","3","10","1") = "9"
    & skf18("6","1","2","5","4","1","1") = "5"
    & skf18("6","1","2","5","4","2","1") = "5"
    & skf18("6","1","2","5","4","3","1") = "5"
    & skf18("6","1","2","5","4","4","1") = "5"
    & skf18("6","1","2","5","4","5","1") = "5"
    & skf18("6","1","2","5","4","6","1") = "5"
    & skf18("6","1","2","5","4","7","1") = "6"
    & skf18("6","1","2","5","4","8","1") = "7"
    & skf18("6","1","2","5","4","9","1") = "8"
    & skf18("6","1","2","5","4","10","1") = "9"
    & skf18("6","1","2","5","5","1","1") = "5"
    & skf18("6","1","2","5","5","2","1") = "5"
    & skf18("6","1","2","5","5","3","1") = "5"
    & skf18("6","1","2","5","5","4","1") = "5"
    & skf18("6","1","2","5","5","5","1") = "5"
    & skf18("6","1","2","5","5","6","1") = "5"
    & skf18("6","1","2","5","5","7","1") = "6"
    & skf18("6","1","2","5","5","8","1") = "7"
    & skf18("6","1","2","5","5","9","1") = "8"
    & skf18("6","1","2","5","5","10","1") = "9"
    & skf18("6","1","2","5","6","1","1") = "5"
    & skf18("6","1","2","5","6","2","1") = "5"
    & skf18("6","1","2","5","6","3","1") = "5"
    & skf18("6","1","2","5","6","4","1") = "5"
    & skf18("6","1","2","5","6","5","1") = "5"
    & skf18("6","1","2","5","6","6","1") = "5"
    & skf18("6","1","2","5","6","7","1") = "6"
    & skf18("6","1","2","5","6","8","1") = "7"
    & skf18("6","1","2","5","6","9","1") = "8"
    & skf18("6","1","2","5","6","10","1") = "9"
    & skf18("6","1","2","5","7","1","1") = "6"
    & skf18("6","1","2","5","7","2","1") = "6"
    & skf18("6","1","2","5","7","3","1") = "6"
    & skf18("6","1","2","5","7","4","1") = "6"
    & skf18("6","1","2","5","7","5","1") = "6"
    & skf18("6","1","2","5","7","6","1") = "6"
    & skf18("6","1","2","5","7","7","1") = "6"
    & skf18("6","1","2","5","7","8","1") = "7"
    & skf18("6","1","2","5","7","9","1") = "8"
    & skf18("6","1","2","5","7","10","1") = "9"
    & skf18("6","1","2","5","8","1","1") = "7"
    & skf18("6","1","2","5","8","2","1") = "7"
    & skf18("6","1","2","5","8","3","1") = "7"
    & skf18("6","1","2","5","8","4","1") = "7"
    & skf18("6","1","2","5","8","5","1") = "7"
    & skf18("6","1","2","5","8","6","1") = "7"
    & skf18("6","1","2","5","8","7","1") = "7"
    & skf18("6","1","2","5","8","8","1") = "7"
    & skf18("6","1","2","5","8","9","1") = "8"
    & skf18("6","1","2","5","8","10","1") = "9"
    & skf18("6","1","2","5","9","1","1") = "8"
    & skf18("6","1","2","5","9","2","1") = "8"
    & skf18("6","1","2","5","9","3","1") = "8"
    & skf18("6","1","2","5","9","4","1") = "8"
    & skf18("6","1","2","5","9","5","1") = "8"
    & skf18("6","1","2","5","9","6","1") = "8"
    & skf18("6","1","2","5","9","7","1") = "8"
    & skf18("6","1","2","5","9","8","1") = "8"
    & skf18("6","1","2","5","9","9","1") = "8"
    & skf18("6","1","2","5","9","10","1") = "9"
    & skf18("6","1","2","5","10","1","1") = "9"
    & skf18("6","1","2","5","10","2","1") = "9"
    & skf18("6","1","2","5","10","3","1") = "9"
    & skf18("6","1","2","5","10","4","1") = "9"
    & skf18("6","1","2","5","10","5","1") = "9"
    & skf18("6","1","2","5","10","6","1") = "9"
    & skf18("6","1","2","5","10","7","1") = "9"
    & skf18("6","1","2","5","10","8","1") = "9"
    & skf18("6","1","2","5","10","9","1") = "9"
    & skf18("6","1","2","5","10","10","1") = "9"
    & skf18("6","1","2","6","1","1","1") = "5"
    & skf18("6","1","2","6","1","2","1") = "5"
    & skf18("6","1","2","6","1","3","1") = "5"
    & skf18("6","1","2","6","1","4","1") = "5"
    & skf18("6","1","2","6","1","5","1") = "5"
    & skf18("6","1","2","6","1","6","1") = "5"
    & skf18("6","1","2","6","1","7","1") = "6"
    & skf18("6","1","2","6","1","8","1") = "7"
    & skf18("6","1","2","6","1","9","1") = "8"
    & skf18("6","1","2","6","1","10","1") = "9"
    & skf18("6","1","2","6","2","1","1") = "5"
    & skf18("6","1","2","6","2","2","1") = "5"
    & skf18("6","1","2","6","2","3","1") = "5"
    & skf18("6","1","2","6","2","4","1") = "5"
    & skf18("6","1","2","6","2","5","1") = "5"
    & skf18("6","1","2","6","2","6","1") = "5"
    & skf18("6","1","2","6","2","7","1") = "6"
    & skf18("6","1","2","6","2","8","1") = "7"
    & skf18("6","1","2","6","2","9","1") = "8"
    & skf18("6","1","2","6","2","10","1") = "9"
    & skf18("6","1","2","6","3","1","1") = "5"
    & skf18("6","1","2","6","3","2","1") = "5"
    & skf18("6","1","2","6","3","3","1") = "5"
    & skf18("6","1","2","6","3","4","1") = "5"
    & skf18("6","1","2","6","3","5","1") = "5"
    & skf18("6","1","2","6","3","6","1") = "5"
    & skf18("6","1","2","6","3","7","1") = "6"
    & skf18("6","1","2","6","3","8","1") = "7"
    & skf18("6","1","2","6","3","9","1") = "8"
    & skf18("6","1","2","6","3","10","1") = "9"
    & skf18("6","1","2","6","4","1","1") = "5"
    & skf18("6","1","2","6","4","2","1") = "5"
    & skf18("6","1","2","6","4","3","1") = "5"
    & skf18("6","1","2","6","4","4","1") = "5"
    & skf18("6","1","2","6","4","5","1") = "5"
    & skf18("6","1","2","6","4","6","1") = "5"
    & skf18("6","1","2","6","4","7","1") = "6"
    & skf18("6","1","2","6","4","8","1") = "7"
    & skf18("6","1","2","6","4","9","1") = "8"
    & skf18("6","1","2","6","4","10","1") = "9"
    & skf18("6","1","2","6","5","1","1") = "5"
    & skf18("6","1","2","6","5","2","1") = "5"
    & skf18("6","1","2","6","5","3","1") = "5"
    & skf18("6","1","2","6","5","4","1") = "5"
    & skf18("6","1","2","6","5","5","1") = "5"
    & skf18("6","1","2","6","5","6","1") = "5"
    & skf18("6","1","2","6","5","7","1") = "6"
    & skf18("6","1","2","6","5","8","1") = "7"
    & skf18("6","1","2","6","5","9","1") = "8"
    & skf18("6","1","2","6","5","10","1") = "9"
    & skf18("6","1","2","6","6","1","1") = "5"
    & skf18("6","1","2","6","6","2","1") = "5"
    & skf18("6","1","2","6","6","3","1") = "5"
    & skf18("6","1","2","6","6","4","1") = "5"
    & skf18("6","1","2","6","6","5","1") = "5"
    & skf18("6","1","2","6","6","6","1") = "5"
    & skf18("6","1","2","6","6","7","1") = "6"
    & skf18("6","1","2","6","6","8","1") = "7"
    & skf18("6","1","2","6","6","9","1") = "8"
    & skf18("6","1","2","6","6","10","1") = "9"
    & skf18("6","1","2","6","7","1","1") = "6"
    & skf18("6","1","2","6","7","2","1") = "6"
    & skf18("6","1","2","6","7","3","1") = "6"
    & skf18("6","1","2","6","7","4","1") = "6"
    & skf18("6","1","2","6","7","5","1") = "6"
    & skf18("6","1","2","6","7","6","1") = "6"
    & skf18("6","1","2","6","7","7","1") = "6"
    & skf18("6","1","2","6","7","8","1") = "7"
    & skf18("6","1","2","6","7","9","1") = "8"
    & skf18("6","1","2","6","7","10","1") = "9"
    & skf18("6","1","2","6","8","1","1") = "7"
    & skf18("6","1","2","6","8","2","1") = "7"
    & skf18("6","1","2","6","8","3","1") = "7"
    & skf18("6","1","2","6","8","4","1") = "7"
    & skf18("6","1","2","6","8","5","1") = "7"
    & skf18("6","1","2","6","8","6","1") = "7"
    & skf18("6","1","2","6","8","7","1") = "7"
    & skf18("6","1","2","6","8","8","1") = "7"
    & skf18("6","1","2","6","8","9","1") = "8"
    & skf18("6","1","2","6","8","10","1") = "9"
    & skf18("6","1","2","6","9","1","1") = "8"
    & skf18("6","1","2","6","9","2","1") = "8"
    & skf18("6","1","2","6","9","3","1") = "8"
    & skf18("6","1","2","6","9","4","1") = "8"
    & skf18("6","1","2","6","9","5","1") = "8"
    & skf18("6","1","2","6","9","6","1") = "8"
    & skf18("6","1","2","6","9","7","1") = "8"
    & skf18("6","1","2","6","9","8","1") = "8"
    & skf18("6","1","2","6","9","9","1") = "8"
    & skf18("6","1","2","6","9","10","1") = "9"
    & skf18("6","1","2","6","10","1","1") = "9"
    & skf18("6","1","2","6","10","2","1") = "9"
    & skf18("6","1","2","6","10","3","1") = "9"
    & skf18("6","1","2","6","10","4","1") = "9"
    & skf18("6","1","2","6","10","5","1") = "9"
    & skf18("6","1","2","6","10","6","1") = "9"
    & skf18("6","1","2","6","10","7","1") = "9"
    & skf18("6","1","2","6","10","8","1") = "9"
    & skf18("6","1","2","6","10","9","1") = "9"
    & skf18("6","1","2","6","10","10","1") = "9"
    & skf18("6","1","2","7","1","1","1") = "6"
    & skf18("6","1","2","7","1","2","1") = "6"
    & skf18("6","1","2","7","1","3","1") = "6"
    & skf18("6","1","2","7","1","4","1") = "6"
    & skf18("6","1","2","7","1","5","1") = "6"
    & skf18("6","1","2","7","1","6","1") = "6"
    & skf18("6","1","2","7","1","7","1") = "6"
    & skf18("6","1","2","7","1","8","1") = "7"
    & skf18("6","1","2","7","1","9","1") = "8"
    & skf18("6","1","2","7","1","10","1") = "9"
    & skf18("6","1","2","7","2","1","1") = "6"
    & skf18("6","1","2","7","2","2","1") = "6"
    & skf18("6","1","2","7","2","3","1") = "6"
    & skf18("6","1","2","7","2","4","1") = "6"
    & skf18("6","1","2","7","2","5","1") = "6"
    & skf18("6","1","2","7","2","6","1") = "6"
    & skf18("6","1","2","7","2","7","1") = "6"
    & skf18("6","1","2","7","2","8","1") = "7"
    & skf18("6","1","2","7","2","9","1") = "8"
    & skf18("6","1","2","7","2","10","1") = "9"
    & skf18("6","1","2","7","3","1","1") = "6"
    & skf18("6","1","2","7","3","2","1") = "6"
    & skf18("6","1","2","7","3","3","1") = "6"
    & skf18("6","1","2","7","3","4","1") = "6"
    & skf18("6","1","2","7","3","5","1") = "6"
    & skf18("6","1","2","7","3","6","1") = "6"
    & skf18("6","1","2","7","3","7","1") = "6"
    & skf18("6","1","2","7","3","8","1") = "7"
    & skf18("6","1","2","7","3","9","1") = "8"
    & skf18("6","1","2","7","3","10","1") = "9"
    & skf18("6","1","2","7","4","1","1") = "6"
    & skf18("6","1","2","7","4","2","1") = "6"
    & skf18("6","1","2","7","4","3","1") = "6"
    & skf18("6","1","2","7","4","4","1") = "6"
    & skf18("6","1","2","7","4","5","1") = "6"
    & skf18("6","1","2","7","4","6","1") = "6"
    & skf18("6","1","2","7","4","7","1") = "6"
    & skf18("6","1","2","7","4","8","1") = "7"
    & skf18("6","1","2","7","4","9","1") = "8"
    & skf18("6","1","2","7","4","10","1") = "9"
    & skf18("6","1","2","7","5","1","1") = "6"
    & skf18("6","1","2","7","5","2","1") = "6"
    & skf18("6","1","2","7","5","3","1") = "6"
    & skf18("6","1","2","7","5","4","1") = "6"
    & skf18("6","1","2","7","5","5","1") = "6"
    & skf18("6","1","2","7","5","6","1") = "6"
    & skf18("6","1","2","7","5","7","1") = "6"
    & skf18("6","1","2","7","5","8","1") = "7"
    & skf18("6","1","2","7","5","9","1") = "8"
    & skf18("6","1","2","7","5","10","1") = "9"
    & skf18("6","1","2","7","6","1","1") = "6"
    & skf18("6","1","2","7","6","2","1") = "6"
    & skf18("6","1","2","7","6","3","1") = "6"
    & skf18("6","1","2","7","6","4","1") = "6"
    & skf18("6","1","2","7","6","5","1") = "6"
    & skf18("6","1","2","7","6","6","1") = "6"
    & skf18("6","1","2","7","6","7","1") = "6"
    & skf18("6","1","2","7","6","8","1") = "7"
    & skf18("6","1","2","7","6","9","1") = "8"
    & skf18("6","1","2","7","6","10","1") = "9"
    & skf18("6","1","2","7","7","1","1") = "6"
    & skf18("6","1","2","7","7","2","1") = "6"
    & skf18("6","1","2","7","7","3","1") = "6"
    & skf18("6","1","2","7","7","4","1") = "6"
    & skf18("6","1","2","7","7","5","1") = "6"
    & skf18("6","1","2","7","7","6","1") = "6"
    & skf18("6","1","2","7","7","7","1") = "6"
    & skf18("6","1","2","7","7","8","1") = "7"
    & skf18("6","1","2","7","7","9","1") = "8"
    & skf18("6","1","2","7","7","10","1") = "9"
    & skf18("6","1","2","7","8","1","1") = "7"
    & skf18("6","1","2","7","8","2","1") = "7"
    & skf18("6","1","2","7","8","3","1") = "7"
    & skf18("6","1","2","7","8","4","1") = "7"
    & skf18("6","1","2","7","8","5","1") = "7"
    & skf18("6","1","2","7","8","6","1") = "7"
    & skf18("6","1","2","7","8","7","1") = "7"
    & skf18("6","1","2","7","8","8","1") = "7"
    & skf18("6","1","2","7","8","9","1") = "8"
    & skf18("6","1","2","7","8","10","1") = "9"
    & skf18("6","1","2","7","9","1","1") = "8"
    & skf18("6","1","2","7","9","2","1") = "8"
    & skf18("6","1","2","7","9","3","1") = "8"
    & skf18("6","1","2","7","9","4","1") = "8"
    & skf18("6","1","2","7","9","5","1") = "8"
    & skf18("6","1","2","7","9","6","1") = "8"
    & skf18("6","1","2","7","9","7","1") = "8"
    & skf18("6","1","2","7","9","8","1") = "8"
    & skf18("6","1","2","7","9","9","1") = "8"
    & skf18("6","1","2","7","9","10","1") = "9"
    & skf18("6","1","2","7","10","1","1") = "9"
    & skf18("6","1","2","7","10","2","1") = "9"
    & skf18("6","1","2","7","10","3","1") = "9"
    & skf18("6","1","2","7","10","4","1") = "9"
    & skf18("6","1","2","7","10","5","1") = "9"
    & skf18("6","1","2","7","10","6","1") = "9"
    & skf18("6","1","2","7","10","7","1") = "9"
    & skf18("6","1","2","7","10","8","1") = "9"
    & skf18("6","1","2","7","10","9","1") = "9"
    & skf18("6","1","2","7","10","10","1") = "9"
    & skf18("6","1","2","8","1","1","1") = "7"
    & skf18("6","1","2","8","1","2","1") = "7"
    & skf18("6","1","2","8","1","3","1") = "7"
    & skf18("6","1","2","8","1","4","1") = "7"
    & skf18("6","1","2","8","1","5","1") = "7"
    & skf18("6","1","2","8","1","6","1") = "7"
    & skf18("6","1","2","8","1","7","1") = "7"
    & skf18("6","1","2","8","1","8","1") = "7"
    & skf18("6","1","2","8","1","9","1") = "8"
    & skf18("6","1","2","8","1","10","1") = "9"
    & skf18("6","1","2","8","2","1","1") = "7"
    & skf18("6","1","2","8","2","2","1") = "7"
    & skf18("6","1","2","8","2","3","1") = "7"
    & skf18("6","1","2","8","2","4","1") = "7"
    & skf18("6","1","2","8","2","5","1") = "7"
    & skf18("6","1","2","8","2","6","1") = "7"
    & skf18("6","1","2","8","2","7","1") = "7"
    & skf18("6","1","2","8","2","8","1") = "7"
    & skf18("6","1","2","8","2","9","1") = "8"
    & skf18("6","1","2","8","2","10","1") = "9"
    & skf18("6","1","2","8","3","1","1") = "7"
    & skf18("6","1","2","8","3","2","1") = "7"
    & skf18("6","1","2","8","3","3","1") = "7"
    & skf18("6","1","2","8","3","4","1") = "7"
    & skf18("6","1","2","8","3","5","1") = "7"
    & skf18("6","1","2","8","3","6","1") = "7"
    & skf18("6","1","2","8","3","7","1") = "7"
    & skf18("6","1","2","8","3","8","1") = "7"
    & skf18("6","1","2","8","3","9","1") = "8"
    & skf18("6","1","2","8","3","10","1") = "9"
    & skf18("6","1","2","8","4","1","1") = "7"
    & skf18("6","1","2","8","4","2","1") = "7"
    & skf18("6","1","2","8","4","3","1") = "7"
    & skf18("6","1","2","8","4","4","1") = "7"
    & skf18("6","1","2","8","4","5","1") = "7"
    & skf18("6","1","2","8","4","6","1") = "7"
    & skf18("6","1","2","8","4","7","1") = "7"
    & skf18("6","1","2","8","4","8","1") = "7"
    & skf18("6","1","2","8","4","9","1") = "8"
    & skf18("6","1","2","8","4","10","1") = "9"
    & skf18("6","1","2","8","5","1","1") = "7"
    & skf18("6","1","2","8","5","2","1") = "7"
    & skf18("6","1","2","8","5","3","1") = "7"
    & skf18("6","1","2","8","5","4","1") = "7"
    & skf18("6","1","2","8","5","5","1") = "7"
    & skf18("6","1","2","8","5","6","1") = "7"
    & skf18("6","1","2","8","5","7","1") = "7"
    & skf18("6","1","2","8","5","8","1") = "7"
    & skf18("6","1","2","8","5","9","1") = "8"
    & skf18("6","1","2","8","5","10","1") = "9"
    & skf18("6","1","2","8","6","1","1") = "7"
    & skf18("6","1","2","8","6","2","1") = "7"
    & skf18("6","1","2","8","6","3","1") = "7"
    & skf18("6","1","2","8","6","4","1") = "7"
    & skf18("6","1","2","8","6","5","1") = "7"
    & skf18("6","1","2","8","6","6","1") = "7"
    & skf18("6","1","2","8","6","7","1") = "7"
    & skf18("6","1","2","8","6","8","1") = "7"
    & skf18("6","1","2","8","6","9","1") = "8"
    & skf18("6","1","2","8","6","10","1") = "9"
    & skf18("6","1","2","8","7","1","1") = "7"
    & skf18("6","1","2","8","7","2","1") = "7"
    & skf18("6","1","2","8","7","3","1") = "7"
    & skf18("6","1","2","8","7","4","1") = "7"
    & skf18("6","1","2","8","7","5","1") = "7"
    & skf18("6","1","2","8","7","6","1") = "7"
    & skf18("6","1","2","8","7","7","1") = "7"
    & skf18("6","1","2","8","7","8","1") = "7"
    & skf18("6","1","2","8","7","9","1") = "8"
    & skf18("6","1","2","8","7","10","1") = "9"
    & skf18("6","1","2","8","8","1","1") = "7"
    & skf18("6","1","2","8","8","2","1") = "7"
    & skf18("6","1","2","8","8","3","1") = "7"
    & skf18("6","1","2","8","8","4","1") = "7"
    & skf18("6","1","2","8","8","5","1") = "7"
    & skf18("6","1","2","8","8","6","1") = "7"
    & skf18("6","1","2","8","8","7","1") = "7"
    & skf18("6","1","2","8","8","8","1") = "7"
    & skf18("6","1","2","8","8","9","1") = "8"
    & skf18("6","1","2","8","8","10","1") = "9"
    & skf18("6","1","2","8","9","1","1") = "8"
    & skf18("6","1","2","8","9","2","1") = "8"
    & skf18("6","1","2","8","9","3","1") = "8"
    & skf18("6","1","2","8","9","4","1") = "8"
    & skf18("6","1","2","8","9","5","1") = "8"
    & skf18("6","1","2","8","9","6","1") = "8"
    & skf18("6","1","2","8","9","7","1") = "8"
    & skf18("6","1","2","8","9","8","1") = "8"
    & skf18("6","1","2","8","9","9","1") = "8"
    & skf18("6","1","2","8","9","10","1") = "9"
    & skf18("6","1","2","8","10","1","1") = "9"
    & skf18("6","1","2","8","10","2","1") = "9"
    & skf18("6","1","2","8","10","3","1") = "9"
    & skf18("6","1","2","8","10","4","1") = "9"
    & skf18("6","1","2","8","10","5","1") = "9"
    & skf18("6","1","2","8","10","6","1") = "9"
    & skf18("6","1","2","8","10","7","1") = "9"
    & skf18("6","1","2","8","10","8","1") = "9"
    & skf18("6","1","2","8","10","9","1") = "9"
    & skf18("6","1","2","8","10","10","1") = "9"
    & skf18("6","1","2","9","1","1","1") = "8"
    & skf18("6","1","2","9","1","2","1") = "8"
    & skf18("6","1","2","9","1","3","1") = "8"
    & skf18("6","1","2","9","1","4","1") = "8"
    & skf18("6","1","2","9","1","5","1") = "8"
    & skf18("6","1","2","9","1","6","1") = "8"
    & skf18("6","1","2","9","1","7","1") = "8"
    & skf18("6","1","2","9","1","8","1") = "8"
    & skf18("6","1","2","9","1","9","1") = "8"
    & skf18("6","1","2","9","1","10","1") = "9"
    & skf18("6","1","2","9","2","1","1") = "8"
    & skf18("6","1","2","9","2","2","1") = "8"
    & skf18("6","1","2","9","2","3","1") = "8"
    & skf18("6","1","2","9","2","4","1") = "8"
    & skf18("6","1","2","9","2","5","1") = "8"
    & skf18("6","1","2","9","2","6","1") = "8"
    & skf18("6","1","2","9","2","7","1") = "8"
    & skf18("6","1","2","9","2","8","1") = "8"
    & skf18("6","1","2","9","2","9","1") = "8"
    & skf18("6","1","2","9","2","10","1") = "9"
    & skf18("6","1","2","9","3","1","1") = "8"
    & skf18("6","1","2","9","3","2","1") = "8"
    & skf18("6","1","2","9","3","3","1") = "8"
    & skf18("6","1","2","9","3","4","1") = "8"
    & skf18("6","1","2","9","3","5","1") = "8"
    & skf18("6","1","2","9","3","6","1") = "8"
    & skf18("6","1","2","9","3","7","1") = "8"
    & skf18("6","1","2","9","3","8","1") = "8"
    & skf18("6","1","2","9","3","9","1") = "8"
    & skf18("6","1","2","9","3","10","1") = "9"
    & skf18("6","1","2","9","4","1","1") = "8"
    & skf18("6","1","2","9","4","2","1") = "8"
    & skf18("6","1","2","9","4","3","1") = "8"
    & skf18("6","1","2","9","4","4","1") = "8"
    & skf18("6","1","2","9","4","5","1") = "8"
    & skf18("6","1","2","9","4","6","1") = "8"
    & skf18("6","1","2","9","4","7","1") = "8"
    & skf18("6","1","2","9","4","8","1") = "8"
    & skf18("6","1","2","9","4","9","1") = "8"
    & skf18("6","1","2","9","4","10","1") = "9"
    & skf18("6","1","2","9","5","1","1") = "8"
    & skf18("6","1","2","9","5","2","1") = "8"
    & skf18("6","1","2","9","5","3","1") = "8"
    & skf18("6","1","2","9","5","4","1") = "8"
    & skf18("6","1","2","9","5","5","1") = "8"
    & skf18("6","1","2","9","5","6","1") = "8"
    & skf18("6","1","2","9","5","7","1") = "8"
    & skf18("6","1","2","9","5","8","1") = "8"
    & skf18("6","1","2","9","5","9","1") = "8"
    & skf18("6","1","2","9","5","10","1") = "9"
    & skf18("6","1","2","9","6","1","1") = "8"
    & skf18("6","1","2","9","6","2","1") = "8"
    & skf18("6","1","2","9","6","3","1") = "8"
    & skf18("6","1","2","9","6","4","1") = "8"
    & skf18("6","1","2","9","6","5","1") = "8"
    & skf18("6","1","2","9","6","6","1") = "8"
    & skf18("6","1","2","9","6","7","1") = "8"
    & skf18("6","1","2","9","6","8","1") = "8"
    & skf18("6","1","2","9","6","9","1") = "8"
    & skf18("6","1","2","9","6","10","1") = "9"
    & skf18("6","1","2","9","7","1","1") = "8"
    & skf18("6","1","2","9","7","2","1") = "8"
    & skf18("6","1","2","9","7","3","1") = "8"
    & skf18("6","1","2","9","7","4","1") = "8"
    & skf18("6","1","2","9","7","5","1") = "8"
    & skf18("6","1","2","9","7","6","1") = "8"
    & skf18("6","1","2","9","7","7","1") = "8"
    & skf18("6","1","2","9","7","8","1") = "8"
    & skf18("6","1","2","9","7","9","1") = "8"
    & skf18("6","1","2","9","7","10","1") = "9"
    & skf18("6","1","2","9","8","1","1") = "8"
    & skf18("6","1","2","9","8","2","1") = "8"
    & skf18("6","1","2","9","8","3","1") = "8"
    & skf18("6","1","2","9","8","4","1") = "8"
    & skf18("6","1","2","9","8","5","1") = "8"
    & skf18("6","1","2","9","8","6","1") = "8"
    & skf18("6","1","2","9","8","7","1") = "8"
    & skf18("6","1","2","9","8","8","1") = "8"
    & skf18("6","1","2","9","8","9","1") = "8"
    & skf18("6","1","2","9","8","10","1") = "9"
    & skf18("6","1","2","9","9","1","1") = "8"
    & skf18("6","1","2","9","9","2","1") = "8"
    & skf18("6","1","2","9","9","3","1") = "8"
    & skf18("6","1","2","9","9","4","1") = "8"
    & skf18("6","1","2","9","9","5","1") = "8"
    & skf18("6","1","2","9","9","6","1") = "8"
    & skf18("6","1","2","9","9","7","1") = "8"
    & skf18("6","1","2","9","9","8","1") = "8"
    & skf18("6","1","2","9","9","9","1") = "8"
    & skf18("6","1","2","9","9","10","1") = "9"
    & skf18("6","1","2","9","10","1","1") = "9"
    & skf18("6","1","2","9","10","2","1") = "9"
    & skf18("6","1","2","9","10","3","1") = "9"
    & skf18("6","1","2","9","10","4","1") = "9"
    & skf18("6","1","2","9","10","5","1") = "9"
    & skf18("6","1","2","9","10","6","1") = "9"
    & skf18("6","1","2","9","10","7","1") = "9"
    & skf18("6","1","2","9","10","8","1") = "9"
    & skf18("6","1","2","9","10","9","1") = "9"
    & skf18("6","1","2","9","10","10","1") = "9"
    & skf18("6","1","2","10","1","1","1") = "9"
    & skf18("6","1","2","10","1","2","1") = "9"
    & skf18("6","1","2","10","1","3","1") = "9"
    & skf18("6","1","2","10","1","4","1") = "9"
    & skf18("6","1","2","10","1","5","1") = "9"
    & skf18("6","1","2","10","1","6","1") = "9"
    & skf18("6","1","2","10","1","7","1") = "9"
    & skf18("6","1","2","10","1","8","1") = "9"
    & skf18("6","1","2","10","1","9","1") = "9"
    & skf18("6","1","2","10","1","10","1") = "9"
    & skf18("6","1","2","10","2","1","1") = "9"
    & skf18("6","1","2","10","2","2","1") = "9"
    & skf18("6","1","2","10","2","3","1") = "9"
    & skf18("6","1","2","10","2","4","1") = "9"
    & skf18("6","1","2","10","2","5","1") = "9"
    & skf18("6","1","2","10","2","6","1") = "9"
    & skf18("6","1","2","10","2","7","1") = "9"
    & skf18("6","1","2","10","2","8","1") = "9"
    & skf18("6","1","2","10","2","9","1") = "9"
    & skf18("6","1","2","10","2","10","1") = "9"
    & skf18("6","1","2","10","3","1","1") = "9"
    & skf18("6","1","2","10","3","2","1") = "9"
    & skf18("6","1","2","10","3","3","1") = "9"
    & skf18("6","1","2","10","3","4","1") = "9"
    & skf18("6","1","2","10","3","5","1") = "9"
    & skf18("6","1","2","10","3","6","1") = "9"
    & skf18("6","1","2","10","3","7","1") = "9"
    & skf18("6","1","2","10","3","8","1") = "9"
    & skf18("6","1","2","10","3","9","1") = "9"
    & skf18("6","1","2","10","3","10","1") = "9"
    & skf18("6","1","2","10","4","1","1") = "9"
    & skf18("6","1","2","10","4","2","1") = "9"
    & skf18("6","1","2","10","4","3","1") = "9"
    & skf18("6","1","2","10","4","4","1") = "9"
    & skf18("6","1","2","10","4","5","1") = "9"
    & skf18("6","1","2","10","4","6","1") = "9"
    & skf18("6","1","2","10","4","7","1") = "9"
    & skf18("6","1","2","10","4","8","1") = "9"
    & skf18("6","1","2","10","4","9","1") = "9"
    & skf18("6","1","2","10","4","10","1") = "9"
    & skf18("6","1","2","10","5","1","1") = "9"
    & skf18("6","1","2","10","5","2","1") = "9"
    & skf18("6","1","2","10","5","3","1") = "9"
    & skf18("6","1","2","10","5","4","1") = "9"
    & skf18("6","1","2","10","5","5","1") = "9"
    & skf18("6","1","2","10","5","6","1") = "9"
    & skf18("6","1","2","10","5","7","1") = "9"
    & skf18("6","1","2","10","5","8","1") = "9"
    & skf18("6","1","2","10","5","9","1") = "9"
    & skf18("6","1","2","10","5","10","1") = "9"
    & skf18("6","1","2","10","6","1","1") = "9"
    & skf18("6","1","2","10","6","2","1") = "9"
    & skf18("6","1","2","10","6","3","1") = "9"
    & skf18("6","1","2","10","6","4","1") = "9"
    & skf18("6","1","2","10","6","5","1") = "9"
    & skf18("6","1","2","10","6","6","1") = "9"
    & skf18("6","1","2","10","6","7","1") = "9"
    & skf18("6","1","2","10","6","8","1") = "9"
    & skf18("6","1","2","10","6","9","1") = "9"
    & skf18("6","1","2","10","6","10","1") = "9"
    & skf18("6","1","2","10","7","1","1") = "9"
    & skf18("6","1","2","10","7","2","1") = "9"
    & skf18("6","1","2","10","7","3","1") = "9"
    & skf18("6","1","2","10","7","4","1") = "9"
    & skf18("6","1","2","10","7","5","1") = "9"
    & skf18("6","1","2","10","7","6","1") = "9"
    & skf18("6","1","2","10","7","7","1") = "9"
    & skf18("6","1","2","10","7","8","1") = "9"
    & skf18("6","1","2","10","7","9","1") = "9"
    & skf18("6","1","2","10","7","10","1") = "9"
    & skf18("6","1","2","10","8","1","1") = "9"
    & skf18("6","1","2","10","8","2","1") = "9"
    & skf18("6","1","2","10","8","3","1") = "9"
    & skf18("6","1","2","10","8","4","1") = "9"
    & skf18("6","1","2","10","8","5","1") = "9"
    & skf18("6","1","2","10","8","6","1") = "9"
    & skf18("6","1","2","10","8","7","1") = "9"
    & skf18("6","1","2","10","8","8","1") = "9"
    & skf18("6","1","2","10","8","9","1") = "9"
    & skf18("6","1","2","10","8","10","1") = "9"
    & skf18("6","1","2","10","9","1","1") = "9"
    & skf18("6","1","2","10","9","2","1") = "9"
    & skf18("6","1","2","10","9","3","1") = "9"
    & skf18("6","1","2","10","9","4","1") = "9"
    & skf18("6","1","2","10","9","5","1") = "9"
    & skf18("6","1","2","10","9","6","1") = "9"
    & skf18("6","1","2","10","9","7","1") = "9"
    & skf18("6","1","2","10","9","8","1") = "9"
    & skf18("6","1","2","10","9","9","1") = "9"
    & skf18("6","1","2","10","9","10","1") = "9"
    & skf18("6","1","2","10","10","1","1") = "9"
    & skf18("6","1","2","10","10","2","1") = "9"
    & skf18("6","1","2","10","10","3","1") = "9"
    & skf18("6","1","2","10","10","4","1") = "9"
    & skf18("6","1","2","10","10","5","1") = "9"
    & skf18("6","1","2","10","10","6","1") = "9"
    & skf18("6","1","2","10","10","7","1") = "9"
    & skf18("6","1","2","10","10","8","1") = "9"
    & skf18("6","1","2","10","10","9","1") = "9"
    & skf18("6","1","2","10","10","10","1") = "9"
    & skf18("6","1","3","1","1","1","1") = "5"
    & skf18("6","1","3","1","1","2","1") = "5"
    & skf18("6","1","3","1","1","3","1") = "5"
    & skf18("6","1","3","1","1","4","1") = "5"
    & skf18("6","1","3","1","1","5","1") = "5"
    & skf18("6","1","3","1","1","6","1") = "5"
    & skf18("6","1","3","1","1","7","1") = "6"
    & skf18("6","1","3","1","1","8","1") = "7"
    & skf18("6","1","3","1","1","9","1") = "8"
    & skf18("6","1","3","1","1","10","1") = "9"
    & skf18("6","1","3","1","2","1","1") = "5"
    & skf18("6","1","3","1","2","2","1") = "5"
    & skf18("6","1","3","1","2","3","1") = "5"
    & skf18("6","1","3","1","2","4","1") = "5"
    & skf18("6","1","3","1","2","5","1") = "5"
    & skf18("6","1","3","1","2","6","1") = "5"
    & skf18("6","1","3","1","2","7","1") = "6"
    & skf18("6","1","3","1","2","8","1") = "7"
    & skf18("6","1","3","1","2","9","1") = "8"
    & skf18("6","1","3","1","2","10","1") = "9"
    & skf18("6","1","3","1","3","1","1") = "5"
    & skf18("6","1","3","1","3","2","1") = "5"
    & skf18("6","1","3","1","3","3","1") = "5"
    & skf18("6","1","3","1","3","4","1") = "5"
    & skf18("6","1","3","1","3","5","1") = "5"
    & skf18("6","1","3","1","3","6","1") = "5"
    & skf18("6","1","3","1","3","7","1") = "6"
    & skf18("6","1","3","1","3","8","1") = "7"
    & skf18("6","1","3","1","3","9","1") = "8"
    & skf18("6","1","3","1","3","10","1") = "9"
    & skf18("6","1","3","1","4","1","1") = "5"
    & skf18("6","1","3","1","4","2","1") = "5"
    & skf18("6","1","3","1","4","3","1") = "5"
    & skf18("6","1","3","1","4","4","1") = "5"
    & skf18("6","1","3","1","4","5","1") = "5"
    & skf18("6","1","3","1","4","6","1") = "5"
    & skf18("6","1","3","1","4","7","1") = "6"
    & skf18("6","1","3","1","4","8","1") = "7"
    & skf18("6","1","3","1","4","9","1") = "8"
    & skf18("6","1","3","1","4","10","1") = "9"
    & skf18("6","1","3","1","5","1","1") = "5"
    & skf18("6","1","3","1","5","2","1") = "5"
    & skf18("6","1","3","1","5","3","1") = "5"
    & skf18("6","1","3","1","5","4","1") = "5"
    & skf18("6","1","3","1","5","5","1") = "5"
    & skf18("6","1","3","1","5","6","1") = "5"
    & skf18("6","1","3","1","5","7","1") = "6"
    & skf18("6","1","3","1","5","8","1") = "7"
    & skf18("6","1","3","1","5","9","1") = "8"
    & skf18("6","1","3","1","5","10","1") = "9"
    & skf18("6","1","3","1","6","1","1") = "5"
    & skf18("6","1","3","1","6","2","1") = "5"
    & skf18("6","1","3","1","6","3","1") = "5"
    & skf18("6","1","3","1","6","4","1") = "5"
    & skf18("6","1","3","1","6","5","1") = "5"
    & skf18("6","1","3","1","6","6","1") = "5"
    & skf18("6","1","3","1","6","7","1") = "6"
    & skf18("6","1","3","1","6","8","1") = "7"
    & skf18("6","1","3","1","6","9","1") = "8"
    & skf18("6","1","3","1","6","10","1") = "9"
    & skf18("6","1","3","1","7","1","1") = "6"
    & skf18("6","1","3","1","7","2","1") = "6"
    & skf18("6","1","3","1","7","3","1") = "6"
    & skf18("6","1","3","1","7","4","1") = "6"
    & skf18("6","1","3","1","7","5","1") = "6"
    & skf18("6","1","3","1","7","6","1") = "6"
    & skf18("6","1","3","1","7","7","1") = "6"
    & skf18("6","1","3","1","7","8","1") = "7"
    & skf18("6","1","3","1","7","9","1") = "8"
    & skf18("6","1","3","1","7","10","1") = "9"
    & skf18("6","1","3","1","8","1","1") = "7"
    & skf18("6","1","3","1","8","2","1") = "7"
    & skf18("6","1","3","1","8","3","1") = "7"
    & skf18("6","1","3","1","8","4","1") = "7"
    & skf18("6","1","3","1","8","5","1") = "7"
    & skf18("6","1","3","1","8","6","1") = "7"
    & skf18("6","1","3","1","8","7","1") = "7"
    & skf18("6","1","3","1","8","8","1") = "7"
    & skf18("6","1","3","1","8","9","1") = "8"
    & skf18("6","1","3","1","8","10","1") = "9"
    & skf18("6","1","3","1","9","1","1") = "8"
    & skf18("6","1","3","1","9","2","1") = "8"
    & skf18("6","1","3","1","9","3","1") = "8"
    & skf18("6","1","3","1","9","4","1") = "8"
    & skf18("6","1","3","1","9","5","1") = "8"
    & skf18("6","1","3","1","9","6","1") = "8"
    & skf18("6","1","3","1","9","7","1") = "8"
    & skf18("6","1","3","1","9","8","1") = "8"
    & skf18("6","1","3","1","9","9","1") = "8"
    & skf18("6","1","3","1","9","10","1") = "9"
    & skf18("6","1","3","1","10","1","1") = "9"
    & skf18("6","1","3","1","10","2","1") = "9"
    & skf18("6","1","3","1","10","3","1") = "9"
    & skf18("6","1","3","1","10","4","1") = "9"
    & skf18("6","1","3","1","10","5","1") = "9"
    & skf18("6","1","3","1","10","6","1") = "9"
    & skf18("6","1","3","1","10","7","1") = "9"
    & skf18("6","1","3","1","10","8","1") = "9"
    & skf18("6","1","3","1","10","9","1") = "9"
    & skf18("6","1","3","1","10","10","1") = "9"
    & skf18("6","1","3","2","1","1","1") = "5"
    & skf18("6","1","3","2","1","2","1") = "5"
    & skf18("6","1","3","2","1","3","1") = "5"
    & skf18("6","1","3","2","1","4","1") = "5"
    & skf18("6","1","3","2","1","5","1") = "5"
    & skf18("6","1","3","2","1","6","1") = "5"
    & skf18("6","1","3","2","1","7","1") = "6"
    & skf18("6","1","3","2","1","8","1") = "7"
    & skf18("6","1","3","2","1","9","1") = "8"
    & skf18("6","1","3","2","1","10","1") = "9"
    & skf18("6","1","3","2","2","1","1") = "5"
    & skf18("6","1","3","2","2","2","1") = "5"
    & skf18("6","1","3","2","2","3","1") = "5"
    & skf18("6","1","3","2","2","4","1") = "5"
    & skf18("6","1","3","2","2","5","1") = "5"
    & skf18("6","1","3","2","2","6","1") = "5"
    & skf18("6","1","3","2","2","7","1") = "6"
    & skf18("6","1","3","2","2","8","1") = "7"
    & skf18("6","1","3","2","2","9","1") = "8"
    & skf18("6","1","3","2","2","10","1") = "9"
    & skf18("6","1","3","2","3","1","1") = "5"
    & skf18("6","1","3","2","3","2","1") = "5"
    & skf18("6","1","3","2","3","3","1") = "5"
    & skf18("6","1","3","2","3","4","1") = "5"
    & skf18("6","1","3","2","3","5","1") = "5"
    & skf18("6","1","3","2","3","6","1") = "5"
    & skf18("6","1","3","2","3","7","1") = "6"
    & skf18("6","1","3","2","3","8","1") = "7"
    & skf18("6","1","3","2","3","9","1") = "8"
    & skf18("6","1","3","2","3","10","1") = "9"
    & skf18("6","1","3","2","4","1","1") = "5"
    & skf18("6","1","3","2","4","2","1") = "5"
    & skf18("6","1","3","2","4","3","1") = "5"
    & skf18("6","1","3","2","4","4","1") = "5"
    & skf18("6","1","3","2","4","5","1") = "5"
    & skf18("6","1","3","2","4","6","1") = "5"
    & skf18("6","1","3","2","4","7","1") = "6"
    & skf18("6","1","3","2","4","8","1") = "7"
    & skf18("6","1","3","2","4","9","1") = "8"
    & skf18("6","1","3","2","4","10","1") = "9"
    & skf18("6","1","3","2","5","1","1") = "5"
    & skf18("6","1","3","2","5","2","1") = "5"
    & skf18("6","1","3","2","5","3","1") = "5"
    & skf18("6","1","3","2","5","4","1") = "5"
    & skf18("6","1","3","2","5","5","1") = "5"
    & skf18("6","1","3","2","5","6","1") = "5"
    & skf18("6","1","3","2","5","7","1") = "6"
    & skf18("6","1","3","2","5","8","1") = "7"
    & skf18("6","1","3","2","5","9","1") = "8"
    & skf18("6","1","3","2","5","10","1") = "9"
    & skf18("6","1","3","2","6","1","1") = "5"
    & skf18("6","1","3","2","6","2","1") = "5"
    & skf18("6","1","3","2","6","3","1") = "5"
    & skf18("6","1","3","2","6","4","1") = "5"
    & skf18("6","1","3","2","6","5","1") = "5"
    & skf18("6","1","3","2","6","6","1") = "5"
    & skf18("6","1","3","2","6","7","1") = "6"
    & skf18("6","1","3","2","6","8","1") = "7"
    & skf18("6","1","3","2","6","9","1") = "8"
    & skf18("6","1","3","2","6","10","1") = "9"
    & skf18("6","1","3","2","7","1","1") = "6"
    & skf18("6","1","3","2","7","2","1") = "6"
    & skf18("6","1","3","2","7","3","1") = "6"
    & skf18("6","1","3","2","7","4","1") = "6"
    & skf18("6","1","3","2","7","5","1") = "6"
    & skf18("6","1","3","2","7","6","1") = "6"
    & skf18("6","1","3","2","7","7","1") = "6"
    & skf18("6","1","3","2","7","8","1") = "7"
    & skf18("6","1","3","2","7","9","1") = "8"
    & skf18("6","1","3","2","7","10","1") = "9"
    & skf18("6","1","3","2","8","1","1") = "7"
    & skf18("6","1","3","2","8","2","1") = "7"
    & skf18("6","1","3","2","8","3","1") = "7"
    & skf18("6","1","3","2","8","4","1") = "7"
    & skf18("6","1","3","2","8","5","1") = "7"
    & skf18("6","1","3","2","8","6","1") = "7"
    & skf18("6","1","3","2","8","7","1") = "7"
    & skf18("6","1","3","2","8","8","1") = "7"
    & skf18("6","1","3","2","8","9","1") = "8"
    & skf18("6","1","3","2","8","10","1") = "9"
    & skf18("6","1","3","2","9","1","1") = "8"
    & skf18("6","1","3","2","9","2","1") = "8"
    & skf18("6","1","3","2","9","3","1") = "8"
    & skf18("6","1","3","2","9","4","1") = "8"
    & skf18("6","1","3","2","9","5","1") = "8"
    & skf18("6","1","3","2","9","6","1") = "8"
    & skf18("6","1","3","2","9","7","1") = "8"
    & skf18("6","1","3","2","9","8","1") = "8"
    & skf18("6","1","3","2","9","9","1") = "8"
    & skf18("6","1","3","2","9","10","1") = "9"
    & skf18("6","1","3","2","10","1","1") = "9"
    & skf18("6","1","3","2","10","2","1") = "9"
    & skf18("6","1","3","2","10","3","1") = "9"
    & skf18("6","1","3","2","10","4","1") = "9"
    & skf18("6","1","3","2","10","5","1") = "9"
    & skf18("6","1","3","2","10","6","1") = "9"
    & skf18("6","1","3","2","10","7","1") = "9"
    & skf18("6","1","3","2","10","8","1") = "9"
    & skf18("6","1","3","2","10","9","1") = "9"
    & skf18("6","1","3","2","10","10","1") = "9"
    & skf18("6","1","3","3","1","1","1") = "5"
    & skf18("6","1","3","3","1","2","1") = "5"
    & skf18("6","1","3","3","1","3","1") = "5"
    & skf18("6","1","3","3","1","4","1") = "5"
    & skf18("6","1","3","3","1","5","1") = "5"
    & skf18("6","1","3","3","1","6","1") = "5"
    & skf18("6","1","3","3","1","7","1") = "6"
    & skf18("6","1","3","3","1","8","1") = "7"
    & skf18("6","1","3","3","1","9","1") = "8"
    & skf18("6","1","3","3","1","10","1") = "9"
    & skf18("6","1","3","3","2","1","1") = "5"
    & skf18("6","1","3","3","2","2","1") = "5"
    & skf18("6","1","3","3","2","3","1") = "5"
    & skf18("6","1","3","3","2","4","1") = "5"
    & skf18("6","1","3","3","2","5","1") = "5"
    & skf18("6","1","3","3","2","6","1") = "5"
    & skf18("6","1","3","3","2","7","1") = "6"
    & skf18("6","1","3","3","2","8","1") = "7"
    & skf18("6","1","3","3","2","9","1") = "8"
    & skf18("6","1","3","3","2","10","1") = "9"
    & skf18("6","1","3","3","3","1","1") = "5"
    & skf18("6","1","3","3","3","2","1") = "5"
    & skf18("6","1","3","3","3","3","1") = "5"
    & skf18("6","1","3","3","3","4","1") = "5"
    & skf18("6","1","3","3","3","5","1") = "5"
    & skf18("6","1","3","3","3","6","1") = "5"
    & skf18("6","1","3","3","3","7","1") = "6"
    & skf18("6","1","3","3","3","8","1") = "7"
    & skf18("6","1","3","3","3","9","1") = "8"
    & skf18("6","1","3","3","3","10","1") = "9"
    & skf18("6","1","3","3","4","1","1") = "5"
    & skf18("6","1","3","3","4","2","1") = "5"
    & skf18("6","1","3","3","4","3","1") = "5"
    & skf18("6","1","3","3","4","4","1") = "5"
    & skf18("6","1","3","3","4","5","1") = "5"
    & skf18("6","1","3","3","4","6","1") = "5"
    & skf18("6","1","3","3","4","7","1") = "6"
    & skf18("6","1","3","3","4","8","1") = "7"
    & skf18("6","1","3","3","4","9","1") = "8"
    & skf18("6","1","3","3","4","10","1") = "9"
    & skf18("6","1","3","3","5","1","1") = "5"
    & skf18("6","1","3","3","5","2","1") = "5"
    & skf18("6","1","3","3","5","3","1") = "5"
    & skf18("6","1","3","3","5","4","1") = "5"
    & skf18("6","1","3","3","5","5","1") = "5"
    & skf18("6","1","3","3","5","6","1") = "5"
    & skf18("6","1","3","3","5","7","1") = "6"
    & skf18("6","1","3","3","5","8","1") = "7"
    & skf18("6","1","3","3","5","9","1") = "8"
    & skf18("6","1","3","3","5","10","1") = "9"
    & skf18("6","1","3","3","6","1","1") = "5"
    & skf18("6","1","3","3","6","2","1") = "5"
    & skf18("6","1","3","3","6","3","1") = "5"
    & skf18("6","1","3","3","6","4","1") = "5"
    & skf18("6","1","3","3","6","5","1") = "5"
    & skf18("6","1","3","3","6","6","1") = "5"
    & skf18("6","1","3","3","6","7","1") = "6"
    & skf18("6","1","3","3","6","8","1") = "7"
    & skf18("6","1","3","3","6","9","1") = "8"
    & skf18("6","1","3","3","6","10","1") = "9"
    & skf18("6","1","3","3","7","1","1") = "6"
    & skf18("6","1","3","3","7","2","1") = "6"
    & skf18("6","1","3","3","7","3","1") = "6"
    & skf18("6","1","3","3","7","4","1") = "6"
    & skf18("6","1","3","3","7","5","1") = "6"
    & skf18("6","1","3","3","7","6","1") = "6"
    & skf18("6","1","3","3","7","7","1") = "6"
    & skf18("6","1","3","3","7","8","1") = "7"
    & skf18("6","1","3","3","7","9","1") = "8"
    & skf18("6","1","3","3","7","10","1") = "9"
    & skf18("6","1","3","3","8","1","1") = "7"
    & skf18("6","1","3","3","8","2","1") = "7"
    & skf18("6","1","3","3","8","3","1") = "7"
    & skf18("6","1","3","3","8","4","1") = "7"
    & skf18("6","1","3","3","8","5","1") = "7"
    & skf18("6","1","3","3","8","6","1") = "7"
    & skf18("6","1","3","3","8","7","1") = "7"
    & skf18("6","1","3","3","8","8","1") = "7"
    & skf18("6","1","3","3","8","9","1") = "8"
    & skf18("6","1","3","3","8","10","1") = "9"
    & skf18("6","1","3","3","9","1","1") = "8"
    & skf18("6","1","3","3","9","2","1") = "8"
    & skf18("6","1","3","3","9","3","1") = "8"
    & skf18("6","1","3","3","9","4","1") = "8"
    & skf18("6","1","3","3","9","5","1") = "8"
    & skf18("6","1","3","3","9","6","1") = "8"
    & skf18("6","1","3","3","9","7","1") = "8"
    & skf18("6","1","3","3","9","8","1") = "8"
    & skf18("6","1","3","3","9","9","1") = "8"
    & skf18("6","1","3","3","9","10","1") = "9"
    & skf18("6","1","3","3","10","1","1") = "9"
    & skf18("6","1","3","3","10","2","1") = "9"
    & skf18("6","1","3","3","10","3","1") = "9"
    & skf18("6","1","3","3","10","4","1") = "9"
    & skf18("6","1","3","3","10","5","1") = "9"
    & skf18("6","1","3","3","10","6","1") = "9"
    & skf18("6","1","3","3","10","7","1") = "9"
    & skf18("6","1","3","3","10","8","1") = "9"
    & skf18("6","1","3","3","10","9","1") = "9"
    & skf18("6","1","3","3","10","10","1") = "9"
    & skf18("6","1","3","4","1","1","1") = "5"
    & skf18("6","1","3","4","1","2","1") = "5"
    & skf18("6","1","3","4","1","3","1") = "5"
    & skf18("6","1","3","4","1","4","1") = "5"
    & skf18("6","1","3","4","1","5","1") = "5"
    & skf18("6","1","3","4","1","6","1") = "5"
    & skf18("6","1","3","4","1","7","1") = "6"
    & skf18("6","1","3","4","1","8","1") = "7"
    & skf18("6","1","3","4","1","9","1") = "8"
    & skf18("6","1","3","4","1","10","1") = "9"
    & skf18("6","1","3","4","2","1","1") = "5"
    & skf18("6","1","3","4","2","2","1") = "5"
    & skf18("6","1","3","4","2","3","1") = "5"
    & skf18("6","1","3","4","2","4","1") = "5"
    & skf18("6","1","3","4","2","5","1") = "5"
    & skf18("6","1","3","4","2","6","1") = "5"
    & skf18("6","1","3","4","2","7","1") = "6"
    & skf18("6","1","3","4","2","8","1") = "7"
    & skf18("6","1","3","4","2","9","1") = "8"
    & skf18("6","1","3","4","2","10","1") = "9"
    & skf18("6","1","3","4","3","1","1") = "5"
    & skf18("6","1","3","4","3","2","1") = "5"
    & skf18("6","1","3","4","3","3","1") = "5"
    & skf18("6","1","3","4","3","4","1") = "5"
    & skf18("6","1","3","4","3","5","1") = "5"
    & skf18("6","1","3","4","3","6","1") = "5"
    & skf18("6","1","3","4","3","7","1") = "6"
    & skf18("6","1","3","4","3","8","1") = "7"
    & skf18("6","1","3","4","3","9","1") = "8"
    & skf18("6","1","3","4","3","10","1") = "9"
    & skf18("6","1","3","4","4","1","1") = "5"
    & skf18("6","1","3","4","4","2","1") = "5"
    & skf18("6","1","3","4","4","3","1") = "5"
    & skf18("6","1","3","4","4","4","1") = "5"
    & skf18("6","1","3","4","4","5","1") = "5"
    & skf18("6","1","3","4","4","6","1") = "5"
    & skf18("6","1","3","4","4","7","1") = "6"
    & skf18("6","1","3","4","4","8","1") = "7"
    & skf18("6","1","3","4","4","9","1") = "8"
    & skf18("6","1","3","4","4","10","1") = "9"
    & skf18("6","1","3","4","5","1","1") = "5"
    & skf18("6","1","3","4","5","2","1") = "5"
    & skf18("6","1","3","4","5","3","1") = "5"
    & skf18("6","1","3","4","5","4","1") = "5"
    & skf18("6","1","3","4","5","5","1") = "5"
    & skf18("6","1","3","4","5","6","1") = "5"
    & skf18("6","1","3","4","5","7","1") = "6"
    & skf18("6","1","3","4","5","8","1") = "7"
    & skf18("6","1","3","4","5","9","1") = "8"
    & skf18("6","1","3","4","5","10","1") = "9"
    & skf18("6","1","3","4","6","1","1") = "5"
    & skf18("6","1","3","4","6","2","1") = "5"
    & skf18("6","1","3","4","6","3","1") = "5"
    & skf18("6","1","3","4","6","4","1") = "5"
    & skf18("6","1","3","4","6","5","1") = "5"
    & skf18("6","1","3","4","6","6","1") = "5"
    & skf18("6","1","3","4","6","7","1") = "6"
    & skf18("6","1","3","4","6","8","1") = "7"
    & skf18("6","1","3","4","6","9","1") = "8"
    & skf18("6","1","3","4","6","10","1") = "9"
    & skf18("6","1","3","4","7","1","1") = "6"
    & skf18("6","1","3","4","7","2","1") = "6"
    & skf18("6","1","3","4","7","3","1") = "6"
    & skf18("6","1","3","4","7","4","1") = "6"
    & skf18("6","1","3","4","7","5","1") = "6"
    & skf18("6","1","3","4","7","6","1") = "6"
    & skf18("6","1","3","4","7","7","1") = "6"
    & skf18("6","1","3","4","7","8","1") = "7"
    & skf18("6","1","3","4","7","9","1") = "8"
    & skf18("6","1","3","4","7","10","1") = "9"
    & skf18("6","1","3","4","8","1","1") = "7"
    & skf18("6","1","3","4","8","2","1") = "7"
    & skf18("6","1","3","4","8","3","1") = "7"
    & skf18("6","1","3","4","8","4","1") = "7"
    & skf18("6","1","3","4","8","5","1") = "7"
    & skf18("6","1","3","4","8","6","1") = "7"
    & skf18("6","1","3","4","8","7","1") = "7"
    & skf18("6","1","3","4","8","8","1") = "7"
    & skf18("6","1","3","4","8","9","1") = "8"
    & skf18("6","1","3","4","8","10","1") = "9"
    & skf18("6","1","3","4","9","1","1") = "8"
    & skf18("6","1","3","4","9","2","1") = "8"
    & skf18("6","1","3","4","9","3","1") = "8"
    & skf18("6","1","3","4","9","4","1") = "8"
    & skf18("6","1","3","4","9","5","1") = "8"
    & skf18("6","1","3","4","9","6","1") = "8"
    & skf18("6","1","3","4","9","7","1") = "8"
    & skf18("6","1","3","4","9","8","1") = "8"
    & skf18("6","1","3","4","9","9","1") = "8"
    & skf18("6","1","3","4","9","10","1") = "9"
    & skf18("6","1","3","4","10","1","1") = "9"
    & skf18("6","1","3","4","10","2","1") = "9"
    & skf18("6","1","3","4","10","3","1") = "9"
    & skf18("6","1","3","4","10","4","1") = "9"
    & skf18("6","1","3","4","10","5","1") = "9"
    & skf18("6","1","3","4","10","6","1") = "9"
    & skf18("6","1","3","4","10","7","1") = "9"
    & skf18("6","1","3","4","10","8","1") = "9"
    & skf18("6","1","3","4","10","9","1") = "9"
    & skf18("6","1","3","4","10","10","1") = "9"
    & skf18("6","1","3","5","1","1","1") = "5"
    & skf18("6","1","3","5","1","2","1") = "5"
    & skf18("6","1","3","5","1","3","1") = "5"
    & skf18("6","1","3","5","1","4","1") = "5"
    & skf18("6","1","3","5","1","5","1") = "5"
    & skf18("6","1","3","5","1","6","1") = "5"
    & skf18("6","1","3","5","1","7","1") = "6"
    & skf18("6","1","3","5","1","8","1") = "7"
    & skf18("6","1","3","5","1","9","1") = "8"
    & skf18("6","1","3","5","1","10","1") = "9"
    & skf18("6","1","3","5","2","1","1") = "5"
    & skf18("6","1","3","5","2","2","1") = "5"
    & skf18("6","1","3","5","2","3","1") = "5"
    & skf18("6","1","3","5","2","4","1") = "5"
    & skf18("6","1","3","5","2","5","1") = "5"
    & skf18("6","1","3","5","2","6","1") = "5"
    & skf18("6","1","3","5","2","7","1") = "6"
    & skf18("6","1","3","5","2","8","1") = "7"
    & skf18("6","1","3","5","2","9","1") = "8"
    & skf18("6","1","3","5","2","10","1") = "9"
    & skf18("6","1","3","5","3","1","1") = "5"
    & skf18("6","1","3","5","3","2","1") = "5"
    & skf18("6","1","3","5","3","3","1") = "5"
    & skf18("6","1","3","5","3","4","1") = "5"
    & skf18("6","1","3","5","3","5","1") = "5"
    & skf18("6","1","3","5","3","6","1") = "5"
    & skf18("6","1","3","5","3","7","1") = "6"
    & skf18("6","1","3","5","3","8","1") = "7"
    & skf18("6","1","3","5","3","9","1") = "8"
    & skf18("6","1","3","5","3","10","1") = "9"
    & skf18("6","1","3","5","4","1","1") = "5"
    & skf18("6","1","3","5","4","2","1") = "5"
    & skf18("6","1","3","5","4","3","1") = "5"
    & skf18("6","1","3","5","4","4","1") = "5"
    & skf18("6","1","3","5","4","5","1") = "5"
    & skf18("6","1","3","5","4","6","1") = "5"
    & skf18("6","1","3","5","4","7","1") = "6"
    & skf18("6","1","3","5","4","8","1") = "7"
    & skf18("6","1","3","5","4","9","1") = "8"
    & skf18("6","1","3","5","4","10","1") = "9"
    & skf18("6","1","3","5","5","1","1") = "5"
    & skf18("6","1","3","5","5","2","1") = "5"
    & skf18("6","1","3","5","5","3","1") = "5"
    & skf18("6","1","3","5","5","4","1") = "5"
    & skf18("6","1","3","5","5","5","1") = "5"
    & skf18("6","1","3","5","5","6","1") = "5"
    & skf18("6","1","3","5","5","7","1") = "6"
    & skf18("6","1","3","5","5","8","1") = "7"
    & skf18("6","1","3","5","5","9","1") = "8"
    & skf18("6","1","3","5","5","10","1") = "9"
    & skf18("6","1","3","5","6","1","1") = "5"
    & skf18("6","1","3","5","6","2","1") = "5"
    & skf18("6","1","3","5","6","3","1") = "5"
    & skf18("6","1","3","5","6","4","1") = "5"
    & skf18("6","1","3","5","6","5","1") = "5"
    & skf18("6","1","3","5","6","6","1") = "5"
    & skf18("6","1","3","5","6","7","1") = "6"
    & skf18("6","1","3","5","6","8","1") = "7"
    & skf18("6","1","3","5","6","9","1") = "8"
    & skf18("6","1","3","5","6","10","1") = "9"
    & skf18("6","1","3","5","7","1","1") = "6"
    & skf18("6","1","3","5","7","2","1") = "6"
    & skf18("6","1","3","5","7","3","1") = "6"
    & skf18("6","1","3","5","7","4","1") = "6"
    & skf18("6","1","3","5","7","5","1") = "6"
    & skf18("6","1","3","5","7","6","1") = "6"
    & skf18("6","1","3","5","7","7","1") = "6"
    & skf18("6","1","3","5","7","8","1") = "7"
    & skf18("6","1","3","5","7","9","1") = "8"
    & skf18("6","1","3","5","7","10","1") = "9"
    & skf18("6","1","3","5","8","1","1") = "7"
    & skf18("6","1","3","5","8","2","1") = "7"
    & skf18("6","1","3","5","8","3","1") = "7"
    & skf18("6","1","3","5","8","4","1") = "7"
    & skf18("6","1","3","5","8","5","1") = "7"
    & skf18("6","1","3","5","8","6","1") = "7"
    & skf18("6","1","3","5","8","7","1") = "7"
    & skf18("6","1","3","5","8","8","1") = "7"
    & skf18("6","1","3","5","8","9","1") = "8"
    & skf18("6","1","3","5","8","10","1") = "9"
    & skf18("6","1","3","5","9","1","1") = "8"
    & skf18("6","1","3","5","9","2","1") = "8"
    & skf18("6","1","3","5","9","3","1") = "8"
    & skf18("6","1","3","5","9","4","1") = "8"
    & skf18("6","1","3","5","9","5","1") = "8"
    & skf18("6","1","3","5","9","6","1") = "8"
    & skf18("6","1","3","5","9","7","1") = "8"
    & skf18("6","1","3","5","9","8","1") = "8"
    & skf18("6","1","3","5","9","9","1") = "8"
    & skf18("6","1","3","5","9","10","1") = "9"
    & skf18("6","1","3","5","10","1","1") = "9"
    & skf18("6","1","3","5","10","2","1") = "9"
    & skf18("6","1","3","5","10","3","1") = "9"
    & skf18("6","1","3","5","10","4","1") = "9"
    & skf18("6","1","3","5","10","5","1") = "9"
    & skf18("6","1","3","5","10","6","1") = "9"
    & skf18("6","1","3","5","10","7","1") = "9"
    & skf18("6","1","3","5","10","8","1") = "9"
    & skf18("6","1","3","5","10","9","1") = "9"
    & skf18("6","1","3","5","10","10","1") = "9"
    & skf18("6","1","3","6","1","1","1") = "5"
    & skf18("6","1","3","6","1","2","1") = "5"
    & skf18("6","1","3","6","1","3","1") = "5"
    & skf18("6","1","3","6","1","4","1") = "5"
    & skf18("6","1","3","6","1","5","1") = "5"
    & skf18("6","1","3","6","1","6","1") = "5"
    & skf18("6","1","3","6","1","7","1") = "6"
    & skf18("6","1","3","6","1","8","1") = "7"
    & skf18("6","1","3","6","1","9","1") = "8"
    & skf18("6","1","3","6","1","10","1") = "9"
    & skf18("6","1","3","6","2","1","1") = "5"
    & skf18("6","1","3","6","2","2","1") = "5"
    & skf18("6","1","3","6","2","3","1") = "5"
    & skf18("6","1","3","6","2","4","1") = "5"
    & skf18("6","1","3","6","2","5","1") = "5"
    & skf18("6","1","3","6","2","6","1") = "5"
    & skf18("6","1","3","6","2","7","1") = "6"
    & skf18("6","1","3","6","2","8","1") = "7"
    & skf18("6","1","3","6","2","9","1") = "8"
    & skf18("6","1","3","6","2","10","1") = "9"
    & skf18("6","1","3","6","3","1","1") = "5"
    & skf18("6","1","3","6","3","2","1") = "5"
    & skf18("6","1","3","6","3","3","1") = "5"
    & skf18("6","1","3","6","3","4","1") = "5"
    & skf18("6","1","3","6","3","5","1") = "5"
    & skf18("6","1","3","6","3","6","1") = "5"
    & skf18("6","1","3","6","3","7","1") = "6"
    & skf18("6","1","3","6","3","8","1") = "7"
    & skf18("6","1","3","6","3","9","1") = "8"
    & skf18("6","1","3","6","3","10","1") = "9"
    & skf18("6","1","3","6","4","1","1") = "5"
    & skf18("6","1","3","6","4","2","1") = "5"
    & skf18("6","1","3","6","4","3","1") = "5"
    & skf18("6","1","3","6","4","4","1") = "5"
    & skf18("6","1","3","6","4","5","1") = "5"
    & skf18("6","1","3","6","4","6","1") = "5"
    & skf18("6","1","3","6","4","7","1") = "6"
    & skf18("6","1","3","6","4","8","1") = "7"
    & skf18("6","1","3","6","4","9","1") = "8"
    & skf18("6","1","3","6","4","10","1") = "9"
    & skf18("6","1","3","6","5","1","1") = "5"
    & skf18("6","1","3","6","5","2","1") = "5"
    & skf18("6","1","3","6","5","3","1") = "5"
    & skf18("6","1","3","6","5","4","1") = "5"
    & skf18("6","1","3","6","5","5","1") = "5"
    & skf18("6","1","3","6","5","6","1") = "5"
    & skf18("6","1","3","6","5","7","1") = "6"
    & skf18("6","1","3","6","5","8","1") = "7"
    & skf18("6","1","3","6","5","9","1") = "8"
    & skf18("6","1","3","6","5","10","1") = "9"
    & skf18("6","1","3","6","6","1","1") = "5"
    & skf18("6","1","3","6","6","2","1") = "5"
    & skf18("6","1","3","6","6","3","1") = "5"
    & skf18("6","1","3","6","6","4","1") = "5"
    & skf18("6","1","3","6","6","5","1") = "5"
    & skf18("6","1","3","6","6","6","1") = "5"
    & skf18("6","1","3","6","6","7","1") = "6"
    & skf18("6","1","3","6","6","8","1") = "7"
    & skf18("6","1","3","6","6","9","1") = "8"
    & skf18("6","1","3","6","6","10","1") = "9"
    & skf18("6","1","3","6","7","1","1") = "6"
    & skf18("6","1","3","6","7","2","1") = "6"
    & skf18("6","1","3","6","7","3","1") = "6"
    & skf18("6","1","3","6","7","4","1") = "6"
    & skf18("6","1","3","6","7","5","1") = "6"
    & skf18("6","1","3","6","7","6","1") = "6"
    & skf18("6","1","3","6","7","7","1") = "6"
    & skf18("6","1","3","6","7","8","1") = "7"
    & skf18("6","1","3","6","7","9","1") = "8"
    & skf18("6","1","3","6","7","10","1") = "9"
    & skf18("6","1","3","6","8","1","1") = "7"
    & skf18("6","1","3","6","8","2","1") = "7"
    & skf18("6","1","3","6","8","3","1") = "7"
    & skf18("6","1","3","6","8","4","1") = "7"
    & skf18("6","1","3","6","8","5","1") = "7"
    & skf18("6","1","3","6","8","6","1") = "7"
    & skf18("6","1","3","6","8","7","1") = "7"
    & skf18("6","1","3","6","8","8","1") = "7"
    & skf18("6","1","3","6","8","9","1") = "8"
    & skf18("6","1","3","6","8","10","1") = "9"
    & skf18("6","1","3","6","9","1","1") = "8"
    & skf18("6","1","3","6","9","2","1") = "8"
    & skf18("6","1","3","6","9","3","1") = "8"
    & skf18("6","1","3","6","9","4","1") = "8"
    & skf18("6","1","3","6","9","5","1") = "8"
    & skf18("6","1","3","6","9","6","1") = "8"
    & skf18("6","1","3","6","9","7","1") = "8"
    & skf18("6","1","3","6","9","8","1") = "8"
    & skf18("6","1","3","6","9","9","1") = "8"
    & skf18("6","1","3","6","9","10","1") = "9"
    & skf18("6","1","3","6","10","1","1") = "9"
    & skf18("6","1","3","6","10","2","1") = "9"
    & skf18("6","1","3","6","10","3","1") = "9"
    & skf18("6","1","3","6","10","4","1") = "9"
    & skf18("6","1","3","6","10","5","1") = "9"
    & skf18("6","1","3","6","10","6","1") = "9"
    & skf18("6","1","3","6","10","7","1") = "9"
    & skf18("6","1","3","6","10","8","1") = "9"
    & skf18("6","1","3","6","10","9","1") = "9"
    & skf18("6","1","3","6","10","10","1") = "9"
    & skf18("6","1","3","7","1","1","1") = "6"
    & skf18("6","1","3","7","1","2","1") = "6"
    & skf18("6","1","3","7","1","3","1") = "6"
    & skf18("6","1","3","7","1","4","1") = "6"
    & skf18("6","1","3","7","1","5","1") = "6"
    & skf18("6","1","3","7","1","6","1") = "6"
    & skf18("6","1","3","7","1","7","1") = "6"
    & skf18("6","1","3","7","1","8","1") = "7"
    & skf18("6","1","3","7","1","9","1") = "8"
    & skf18("6","1","3","7","1","10","1") = "9"
    & skf18("6","1","3","7","2","1","1") = "6"
    & skf18("6","1","3","7","2","2","1") = "6"
    & skf18("6","1","3","7","2","3","1") = "6"
    & skf18("6","1","3","7","2","4","1") = "6"
    & skf18("6","1","3","7","2","5","1") = "6"
    & skf18("6","1","3","7","2","6","1") = "6"
    & skf18("6","1","3","7","2","7","1") = "6"
    & skf18("6","1","3","7","2","8","1") = "7"
    & skf18("6","1","3","7","2","9","1") = "8"
    & skf18("6","1","3","7","2","10","1") = "9"
    & skf18("6","1","3","7","3","1","1") = "6"
    & skf18("6","1","3","7","3","2","1") = "6"
    & skf18("6","1","3","7","3","3","1") = "6"
    & skf18("6","1","3","7","3","4","1") = "6"
    & skf18("6","1","3","7","3","5","1") = "6"
    & skf18("6","1","3","7","3","6","1") = "6"
    & skf18("6","1","3","7","3","7","1") = "6"
    & skf18("6","1","3","7","3","8","1") = "7"
    & skf18("6","1","3","7","3","9","1") = "8"
    & skf18("6","1","3","7","3","10","1") = "9"
    & skf18("6","1","3","7","4","1","1") = "6"
    & skf18("6","1","3","7","4","2","1") = "6"
    & skf18("6","1","3","7","4","3","1") = "6"
    & skf18("6","1","3","7","4","4","1") = "6"
    & skf18("6","1","3","7","4","5","1") = "6"
    & skf18("6","1","3","7","4","6","1") = "6"
    & skf18("6","1","3","7","4","7","1") = "6"
    & skf18("6","1","3","7","4","8","1") = "7"
    & skf18("6","1","3","7","4","9","1") = "8"
    & skf18("6","1","3","7","4","10","1") = "9"
    & skf18("6","1","3","7","5","1","1") = "6"
    & skf18("6","1","3","7","5","2","1") = "6"
    & skf18("6","1","3","7","5","3","1") = "6"
    & skf18("6","1","3","7","5","4","1") = "6"
    & skf18("6","1","3","7","5","5","1") = "6"
    & skf18("6","1","3","7","5","6","1") = "6"
    & skf18("6","1","3","7","5","7","1") = "6"
    & skf18("6","1","3","7","5","8","1") = "7"
    & skf18("6","1","3","7","5","9","1") = "8"
    & skf18("6","1","3","7","5","10","1") = "9"
    & skf18("6","1","3","7","6","1","1") = "6"
    & skf18("6","1","3","7","6","2","1") = "6"
    & skf18("6","1","3","7","6","3","1") = "6"
    & skf18("6","1","3","7","6","4","1") = "6"
    & skf18("6","1","3","7","6","5","1") = "6"
    & skf18("6","1","3","7","6","6","1") = "6"
    & skf18("6","1","3","7","6","7","1") = "6"
    & skf18("6","1","3","7","6","8","1") = "7"
    & skf18("6","1","3","7","6","9","1") = "8"
    & skf18("6","1","3","7","6","10","1") = "9"
    & skf18("6","1","3","7","7","1","1") = "6"
    & skf18("6","1","3","7","7","2","1") = "6"
    & skf18("6","1","3","7","7","3","1") = "6"
    & skf18("6","1","3","7","7","4","1") = "6"
    & skf18("6","1","3","7","7","5","1") = "6"
    & skf18("6","1","3","7","7","6","1") = "6"
    & skf18("6","1","3","7","7","7","1") = "6"
    & skf18("6","1","3","7","7","8","1") = "7"
    & skf18("6","1","3","7","7","9","1") = "8"
    & skf18("6","1","3","7","7","10","1") = "9"
    & skf18("6","1","3","7","8","1","1") = "7"
    & skf18("6","1","3","7","8","2","1") = "7"
    & skf18("6","1","3","7","8","3","1") = "7"
    & skf18("6","1","3","7","8","4","1") = "7"
    & skf18("6","1","3","7","8","5","1") = "7"
    & skf18("6","1","3","7","8","6","1") = "7"
    & skf18("6","1","3","7","8","7","1") = "7"
    & skf18("6","1","3","7","8","8","1") = "7"
    & skf18("6","1","3","7","8","9","1") = "8"
    & skf18("6","1","3","7","8","10","1") = "9"
    & skf18("6","1","3","7","9","1","1") = "8"
    & skf18("6","1","3","7","9","2","1") = "8"
    & skf18("6","1","3","7","9","3","1") = "8"
    & skf18("6","1","3","7","9","4","1") = "8"
    & skf18("6","1","3","7","9","5","1") = "8"
    & skf18("6","1","3","7","9","6","1") = "8"
    & skf18("6","1","3","7","9","7","1") = "8"
    & skf18("6","1","3","7","9","8","1") = "8"
    & skf18("6","1","3","7","9","9","1") = "8"
    & skf18("6","1","3","7","9","10","1") = "9"
    & skf18("6","1","3","7","10","1","1") = "9"
    & skf18("6","1","3","7","10","2","1") = "9"
    & skf18("6","1","3","7","10","3","1") = "9"
    & skf18("6","1","3","7","10","4","1") = "9"
    & skf18("6","1","3","7","10","5","1") = "9"
    & skf18("6","1","3","7","10","6","1") = "9"
    & skf18("6","1","3","7","10","7","1") = "9"
    & skf18("6","1","3","7","10","8","1") = "9"
    & skf18("6","1","3","7","10","9","1") = "9"
    & skf18("6","1","3","7","10","10","1") = "9"
    & skf18("6","1","3","8","1","1","1") = "7"
    & skf18("6","1","3","8","1","2","1") = "7"
    & skf18("6","1","3","8","1","3","1") = "7"
    & skf18("6","1","3","8","1","4","1") = "7"
    & skf18("6","1","3","8","1","5","1") = "7"
    & skf18("6","1","3","8","1","6","1") = "7"
    & skf18("6","1","3","8","1","7","1") = "7"
    & skf18("6","1","3","8","1","8","1") = "7"
    & skf18("6","1","3","8","1","9","1") = "8"
    & skf18("6","1","3","8","1","10","1") = "9"
    & skf18("6","1","3","8","2","1","1") = "7"
    & skf18("6","1","3","8","2","2","1") = "7"
    & skf18("6","1","3","8","2","3","1") = "7"
    & skf18("6","1","3","8","2","4","1") = "7"
    & skf18("6","1","3","8","2","5","1") = "7"
    & skf18("6","1","3","8","2","6","1") = "7"
    & skf18("6","1","3","8","2","7","1") = "7"
    & skf18("6","1","3","8","2","8","1") = "7"
    & skf18("6","1","3","8","2","9","1") = "8"
    & skf18("6","1","3","8","2","10","1") = "9"
    & skf18("6","1","3","8","3","1","1") = "7"
    & skf18("6","1","3","8","3","2","1") = "7"
    & skf18("6","1","3","8","3","3","1") = "7"
    & skf18("6","1","3","8","3","4","1") = "7"
    & skf18("6","1","3","8","3","5","1") = "7"
    & skf18("6","1","3","8","3","6","1") = "7"
    & skf18("6","1","3","8","3","7","1") = "7"
    & skf18("6","1","3","8","3","8","1") = "7"
    & skf18("6","1","3","8","3","9","1") = "8"
    & skf18("6","1","3","8","3","10","1") = "9"
    & skf18("6","1","3","8","4","1","1") = "7"
    & skf18("6","1","3","8","4","2","1") = "7"
    & skf18("6","1","3","8","4","3","1") = "7"
    & skf18("6","1","3","8","4","4","1") = "7"
    & skf18("6","1","3","8","4","5","1") = "7"
    & skf18("6","1","3","8","4","6","1") = "7"
    & skf18("6","1","3","8","4","7","1") = "7"
    & skf18("6","1","3","8","4","8","1") = "7"
    & skf18("6","1","3","8","4","9","1") = "8"
    & skf18("6","1","3","8","4","10","1") = "9"
    & skf18("6","1","3","8","5","1","1") = "7"
    & skf18("6","1","3","8","5","2","1") = "7"
    & skf18("6","1","3","8","5","3","1") = "7"
    & skf18("6","1","3","8","5","4","1") = "7"
    & skf18("6","1","3","8","5","5","1") = "7"
    & skf18("6","1","3","8","5","6","1") = "7"
    & skf18("6","1","3","8","5","7","1") = "7"
    & skf18("6","1","3","8","5","8","1") = "7"
    & skf18("6","1","3","8","5","9","1") = "8"
    & skf18("6","1","3","8","5","10","1") = "9"
    & skf18("6","1","3","8","6","1","1") = "7"
    & skf18("6","1","3","8","6","2","1") = "7"
    & skf18("6","1","3","8","6","3","1") = "7"
    & skf18("6","1","3","8","6","4","1") = "7"
    & skf18("6","1","3","8","6","5","1") = "7"
    & skf18("6","1","3","8","6","6","1") = "7"
    & skf18("6","1","3","8","6","7","1") = "7"
    & skf18("6","1","3","8","6","8","1") = "7"
    & skf18("6","1","3","8","6","9","1") = "8"
    & skf18("6","1","3","8","6","10","1") = "9"
    & skf18("6","1","3","8","7","1","1") = "7"
    & skf18("6","1","3","8","7","2","1") = "7"
    & skf18("6","1","3","8","7","3","1") = "7"
    & skf18("6","1","3","8","7","4","1") = "7"
    & skf18("6","1","3","8","7","5","1") = "7"
    & skf18("6","1","3","8","7","6","1") = "7"
    & skf18("6","1","3","8","7","7","1") = "7"
    & skf18("6","1","3","8","7","8","1") = "7"
    & skf18("6","1","3","8","7","9","1") = "8"
    & skf18("6","1","3","8","7","10","1") = "9"
    & skf18("6","1","3","8","8","1","1") = "7"
    & skf18("6","1","3","8","8","2","1") = "7"
    & skf18("6","1","3","8","8","3","1") = "7"
    & skf18("6","1","3","8","8","4","1") = "7"
    & skf18("6","1","3","8","8","5","1") = "7"
    & skf18("6","1","3","8","8","6","1") = "7"
    & skf18("6","1","3","8","8","7","1") = "7"
    & skf18("6","1","3","8","8","8","1") = "7"
    & skf18("6","1","3","8","8","9","1") = "8"
    & skf18("6","1","3","8","8","10","1") = "9"
    & skf18("6","1","3","8","9","1","1") = "8"
    & skf18("6","1","3","8","9","2","1") = "8"
    & skf18("6","1","3","8","9","3","1") = "8"
    & skf18("6","1","3","8","9","4","1") = "8"
    & skf18("6","1","3","8","9","5","1") = "8"
    & skf18("6","1","3","8","9","6","1") = "8"
    & skf18("6","1","3","8","9","7","1") = "8"
    & skf18("6","1","3","8","9","8","1") = "8"
    & skf18("6","1","3","8","9","9","1") = "8"
    & skf18("6","1","3","8","9","10","1") = "9"
    & skf18("6","1","3","8","10","1","1") = "9"
    & skf18("6","1","3","8","10","2","1") = "9"
    & skf18("6","1","3","8","10","3","1") = "9"
    & skf18("6","1","3","8","10","4","1") = "9"
    & skf18("6","1","3","8","10","5","1") = "9"
    & skf18("6","1","3","8","10","6","1") = "9"
    & skf18("6","1","3","8","10","7","1") = "9"
    & skf18("6","1","3","8","10","8","1") = "9"
    & skf18("6","1","3","8","10","9","1") = "9"
    & skf18("6","1","3","8","10","10","1") = "9"
    & skf18("6","1","3","9","1","1","1") = "8"
    & skf18("6","1","3","9","1","2","1") = "8"
    & skf18("6","1","3","9","1","3","1") = "8"
    & skf18("6","1","3","9","1","4","1") = "8"
    & skf18("6","1","3","9","1","5","1") = "8"
    & skf18("6","1","3","9","1","6","1") = "8"
    & skf18("6","1","3","9","1","7","1") = "8"
    & skf18("6","1","3","9","1","8","1") = "8"
    & skf18("6","1","3","9","1","9","1") = "8"
    & skf18("6","1","3","9","1","10","1") = "9"
    & skf18("6","1","3","9","2","1","1") = "8"
    & skf18("6","1","3","9","2","2","1") = "8"
    & skf18("6","1","3","9","2","3","1") = "8"
    & skf18("6","1","3","9","2","4","1") = "8"
    & skf18("6","1","3","9","2","5","1") = "8"
    & skf18("6","1","3","9","2","6","1") = "8"
    & skf18("6","1","3","9","2","7","1") = "8"
    & skf18("6","1","3","9","2","8","1") = "8"
    & skf18("6","1","3","9","2","9","1") = "8"
    & skf18("6","1","3","9","2","10","1") = "9"
    & skf18("6","1","3","9","3","1","1") = "8"
    & skf18("6","1","3","9","3","2","1") = "8"
    & skf18("6","1","3","9","3","3","1") = "8"
    & skf18("6","1","3","9","3","4","1") = "8"
    & skf18("6","1","3","9","3","5","1") = "8"
    & skf18("6","1","3","9","3","6","1") = "8"
    & skf18("6","1","3","9","3","7","1") = "8"
    & skf18("6","1","3","9","3","8","1") = "8"
    & skf18("6","1","3","9","3","9","1") = "8"
    & skf18("6","1","3","9","3","10","1") = "9"
    & skf18("6","1","3","9","4","1","1") = "8"
    & skf18("6","1","3","9","4","2","1") = "8"
    & skf18("6","1","3","9","4","3","1") = "8"
    & skf18("6","1","3","9","4","4","1") = "8"
    & skf18("6","1","3","9","4","5","1") = "8"
    & skf18("6","1","3","9","4","6","1") = "8"
    & skf18("6","1","3","9","4","7","1") = "8"
    & skf18("6","1","3","9","4","8","1") = "8"
    & skf18("6","1","3","9","4","9","1") = "8"
    & skf18("6","1","3","9","4","10","1") = "9"
    & skf18("6","1","3","9","5","1","1") = "8"
    & skf18("6","1","3","9","5","2","1") = "8"
    & skf18("6","1","3","9","5","3","1") = "8"
    & skf18("6","1","3","9","5","4","1") = "8"
    & skf18("6","1","3","9","5","5","1") = "8"
    & skf18("6","1","3","9","5","6","1") = "8"
    & skf18("6","1","3","9","5","7","1") = "8"
    & skf18("6","1","3","9","5","8","1") = "8"
    & skf18("6","1","3","9","5","9","1") = "8"
    & skf18("6","1","3","9","5","10","1") = "9"
    & skf18("6","1","3","9","6","1","1") = "8"
    & skf18("6","1","3","9","6","2","1") = "8"
    & skf18("6","1","3","9","6","3","1") = "8"
    & skf18("6","1","3","9","6","4","1") = "8"
    & skf18("6","1","3","9","6","5","1") = "8"
    & skf18("6","1","3","9","6","6","1") = "8"
    & skf18("6","1","3","9","6","7","1") = "8"
    & skf18("6","1","3","9","6","8","1") = "8"
    & skf18("6","1","3","9","6","9","1") = "8"
    & skf18("6","1","3","9","6","10","1") = "9"
    & skf18("6","1","3","9","7","1","1") = "8"
    & skf18("6","1","3","9","7","2","1") = "8"
    & skf18("6","1","3","9","7","3","1") = "8"
    & skf18("6","1","3","9","7","4","1") = "8"
    & skf18("6","1","3","9","7","5","1") = "8"
    & skf18("6","1","3","9","7","6","1") = "8"
    & skf18("6","1","3","9","7","7","1") = "8"
    & skf18("6","1","3","9","7","8","1") = "8"
    & skf18("6","1","3","9","7","9","1") = "8"
    & skf18("6","1","3","9","7","10","1") = "9"
    & skf18("6","1","3","9","8","1","1") = "8"
    & skf18("6","1","3","9","8","2","1") = "8"
    & skf18("6","1","3","9","8","3","1") = "8"
    & skf18("6","1","3","9","8","4","1") = "8"
    & skf18("6","1","3","9","8","5","1") = "8"
    & skf18("6","1","3","9","8","6","1") = "8"
    & skf18("6","1","3","9","8","7","1") = "8"
    & skf18("6","1","3","9","8","8","1") = "8"
    & skf18("6","1","3","9","8","9","1") = "8"
    & skf18("6","1","3","9","8","10","1") = "9"
    & skf18("6","1","3","9","9","1","1") = "8"
    & skf18("6","1","3","9","9","2","1") = "8"
    & skf18("6","1","3","9","9","3","1") = "8"
    & skf18("6","1","3","9","9","4","1") = "8"
    & skf18("6","1","3","9","9","5","1") = "8"
    & skf18("6","1","3","9","9","6","1") = "8"
    & skf18("6","1","3","9","9","7","1") = "8"
    & skf18("6","1","3","9","9","8","1") = "8"
    & skf18("6","1","3","9","9","9","1") = "8"
    & skf18("6","1","3","9","9","10","1") = "9"
    & skf18("6","1","3","9","10","1","1") = "9"
    & skf18("6","1","3","9","10","2","1") = "9"
    & skf18("6","1","3","9","10","3","1") = "9"
    & skf18("6","1","3","9","10","4","1") = "9"
    & skf18("6","1","3","9","10","5","1") = "9"
    & skf18("6","1","3","9","10","6","1") = "9"
    & skf18("6","1","3","9","10","7","1") = "9"
    & skf18("6","1","3","9","10","8","1") = "9"
    & skf18("6","1","3","9","10","9","1") = "9"
    & skf18("6","1","3","9","10","10","1") = "9"
    & skf18("6","1","3","10","1","1","1") = "9"
    & skf18("6","1","3","10","1","2","1") = "9"
    & skf18("6","1","3","10","1","3","1") = "9"
    & skf18("6","1","3","10","1","4","1") = "9"
    & skf18("6","1","3","10","1","5","1") = "9"
    & skf18("6","1","3","10","1","6","1") = "9"
    & skf18("6","1","3","10","1","7","1") = "9"
    & skf18("6","1","3","10","1","8","1") = "9"
    & skf18("6","1","3","10","1","9","1") = "9"
    & skf18("6","1","3","10","1","10","1") = "9"
    & skf18("6","1","3","10","2","1","1") = "9"
    & skf18("6","1","3","10","2","2","1") = "9"
    & skf18("6","1","3","10","2","3","1") = "9"
    & skf18("6","1","3","10","2","4","1") = "9"
    & skf18("6","1","3","10","2","5","1") = "9"
    & skf18("6","1","3","10","2","6","1") = "9"
    & skf18("6","1","3","10","2","7","1") = "9"
    & skf18("6","1","3","10","2","8","1") = "9"
    & skf18("6","1","3","10","2","9","1") = "9"
    & skf18("6","1","3","10","2","10","1") = "9"
    & skf18("6","1","3","10","3","1","1") = "9"
    & skf18("6","1","3","10","3","2","1") = "9"
    & skf18("6","1","3","10","3","3","1") = "9"
    & skf18("6","1","3","10","3","4","1") = "9"
    & skf18("6","1","3","10","3","5","1") = "9"
    & skf18("6","1","3","10","3","6","1") = "9"
    & skf18("6","1","3","10","3","7","1") = "9"
    & skf18("6","1","3","10","3","8","1") = "9"
    & skf18("6","1","3","10","3","9","1") = "9"
    & skf18("6","1","3","10","3","10","1") = "9"
    & skf18("6","1","3","10","4","1","1") = "9"
    & skf18("6","1","3","10","4","2","1") = "9"
    & skf18("6","1","3","10","4","3","1") = "9"
    & skf18("6","1","3","10","4","4","1") = "9"
    & skf18("6","1","3","10","4","5","1") = "9"
    & skf18("6","1","3","10","4","6","1") = "9"
    & skf18("6","1","3","10","4","7","1") = "9"
    & skf18("6","1","3","10","4","8","1") = "9"
    & skf18("6","1","3","10","4","9","1") = "9"
    & skf18("6","1","3","10","4","10","1") = "9"
    & skf18("6","1","3","10","5","1","1") = "9"
    & skf18("6","1","3","10","5","2","1") = "9"
    & skf18("6","1","3","10","5","3","1") = "9"
    & skf18("6","1","3","10","5","4","1") = "9"
    & skf18("6","1","3","10","5","5","1") = "9"
    & skf18("6","1","3","10","5","6","1") = "9"
    & skf18("6","1","3","10","5","7","1") = "9"
    & skf18("6","1","3","10","5","8","1") = "9"
    & skf18("6","1","3","10","5","9","1") = "9"
    & skf18("6","1","3","10","5","10","1") = "9"
    & skf18("6","1","3","10","6","1","1") = "9"
    & skf18("6","1","3","10","6","2","1") = "9"
    & skf18("6","1","3","10","6","3","1") = "9"
    & skf18("6","1","3","10","6","4","1") = "9"
    & skf18("6","1","3","10","6","5","1") = "9"
    & skf18("6","1","3","10","6","6","1") = "9"
    & skf18("6","1","3","10","6","7","1") = "9"
    & skf18("6","1","3","10","6","8","1") = "9"
    & skf18("6","1","3","10","6","9","1") = "9"
    & skf18("6","1","3","10","6","10","1") = "9"
    & skf18("6","1","3","10","7","1","1") = "9"
    & skf18("6","1","3","10","7","2","1") = "9"
    & skf18("6","1","3","10","7","3","1") = "9"
    & skf18("6","1","3","10","7","4","1") = "9"
    & skf18("6","1","3","10","7","5","1") = "9"
    & skf18("6","1","3","10","7","6","1") = "9"
    & skf18("6","1","3","10","7","7","1") = "9"
    & skf18("6","1","3","10","7","8","1") = "9"
    & skf18("6","1","3","10","7","9","1") = "9"
    & skf18("6","1","3","10","7","10","1") = "9"
    & skf18("6","1","3","10","8","1","1") = "9"
    & skf18("6","1","3","10","8","2","1") = "9"
    & skf18("6","1","3","10","8","3","1") = "9"
    & skf18("6","1","3","10","8","4","1") = "9"
    & skf18("6","1","3","10","8","5","1") = "9"
    & skf18("6","1","3","10","8","6","1") = "9"
    & skf18("6","1","3","10","8","7","1") = "9"
    & skf18("6","1","3","10","8","8","1") = "9"
    & skf18("6","1","3","10","8","9","1") = "9"
    & skf18("6","1","3","10","8","10","1") = "9"
    & skf18("6","1","3","10","9","1","1") = "9"
    & skf18("6","1","3","10","9","2","1") = "9"
    & skf18("6","1","3","10","9","3","1") = "9"
    & skf18("6","1","3","10","9","4","1") = "9"
    & skf18("6","1","3","10","9","5","1") = "9"
    & skf18("6","1","3","10","9","6","1") = "9"
    & skf18("6","1","3","10","9","7","1") = "9"
    & skf18("6","1","3","10","9","8","1") = "9"
    & skf18("6","1","3","10","9","9","1") = "9"
    & skf18("6","1","3","10","9","10","1") = "9"
    & skf18("6","1","3","10","10","1","1") = "9"
    & skf18("6","1","3","10","10","2","1") = "9"
    & skf18("6","1","3","10","10","3","1") = "9"
    & skf18("6","1","3","10","10","4","1") = "9"
    & skf18("6","1","3","10","10","5","1") = "9"
    & skf18("6","1","3","10","10","6","1") = "9"
    & skf18("6","1","3","10","10","7","1") = "9"
    & skf18("6","1","3","10","10","8","1") = "9"
    & skf18("6","1","3","10","10","9","1") = "9"
    & skf18("6","1","3","10","10","10","1") = "9"
    & skf18("6","1","4","1","1","1","1") = "5"
    & skf18("6","1","4","1","1","2","1") = "5"
    & skf18("6","1","4","1","1","3","1") = "5"
    & skf18("6","1","4","1","1","4","1") = "5"
    & skf18("6","1","4","1","1","5","1") = "5"
    & skf18("6","1","4","1","1","6","1") = "5"
    & skf18("6","1","4","1","1","7","1") = "6"
    & skf18("6","1","4","1","1","8","1") = "7"
    & skf18("6","1","4","1","1","9","1") = "8"
    & skf18("6","1","4","1","1","10","1") = "9"
    & skf18("6","1","4","1","2","1","1") = "5"
    & skf18("6","1","4","1","2","2","1") = "5"
    & skf18("6","1","4","1","2","3","1") = "5"
    & skf18("6","1","4","1","2","4","1") = "5"
    & skf18("6","1","4","1","2","5","1") = "5"
    & skf18("6","1","4","1","2","6","1") = "5"
    & skf18("6","1","4","1","2","7","1") = "6"
    & skf18("6","1","4","1","2","8","1") = "7"
    & skf18("6","1","4","1","2","9","1") = "8"
    & skf18("6","1","4","1","2","10","1") = "9"
    & skf18("6","1","4","1","3","1","1") = "5"
    & skf18("6","1","4","1","3","2","1") = "5"
    & skf18("6","1","4","1","3","3","1") = "5"
    & skf18("6","1","4","1","3","4","1") = "5"
    & skf18("6","1","4","1","3","5","1") = "5"
    & skf18("6","1","4","1","3","6","1") = "5"
    & skf18("6","1","4","1","3","7","1") = "6"
    & skf18("6","1","4","1","3","8","1") = "7"
    & skf18("6","1","4","1","3","9","1") = "8"
    & skf18("6","1","4","1","3","10","1") = "9"
    & skf18("6","1","4","1","4","1","1") = "5"
    & skf18("6","1","4","1","4","2","1") = "5"
    & skf18("6","1","4","1","4","3","1") = "5"
    & skf18("6","1","4","1","4","4","1") = "5"
    & skf18("6","1","4","1","4","5","1") = "5"
    & skf18("6","1","4","1","4","6","1") = "5"
    & skf18("6","1","4","1","4","7","1") = "6"
    & skf18("6","1","4","1","4","8","1") = "7"
    & skf18("6","1","4","1","4","9","1") = "8"
    & skf18("6","1","4","1","4","10","1") = "9"
    & skf18("6","1","4","1","5","1","1") = "5"
    & skf18("6","1","4","1","5","2","1") = "5"
    & skf18("6","1","4","1","5","3","1") = "5"
    & skf18("6","1","4","1","5","4","1") = "5"
    & skf18("6","1","4","1","5","5","1") = "5"
    & skf18("6","1","4","1","5","6","1") = "5"
    & skf18("6","1","4","1","5","7","1") = "6"
    & skf18("6","1","4","1","5","8","1") = "7"
    & skf18("6","1","4","1","5","9","1") = "8"
    & skf18("6","1","4","1","5","10","1") = "9"
    & skf18("6","1","4","1","6","1","1") = "5"
    & skf18("6","1","4","1","6","2","1") = "5"
    & skf18("6","1","4","1","6","3","1") = "5"
    & skf18("6","1","4","1","6","4","1") = "5"
    & skf18("6","1","4","1","6","5","1") = "5"
    & skf18("6","1","4","1","6","6","1") = "5"
    & skf18("6","1","4","1","6","7","1") = "6"
    & skf18("6","1","4","1","6","8","1") = "7"
    & skf18("6","1","4","1","6","9","1") = "8"
    & skf18("6","1","4","1","6","10","1") = "9"
    & skf18("6","1","4","1","7","1","1") = "6"
    & skf18("6","1","4","1","7","2","1") = "6"
    & skf18("6","1","4","1","7","3","1") = "6"
    & skf18("6","1","4","1","7","4","1") = "6"
    & skf18("6","1","4","1","7","5","1") = "6"
    & skf18("6","1","4","1","7","6","1") = "6"
    & skf18("6","1","4","1","7","7","1") = "6"
    & skf18("6","1","4","1","7","8","1") = "7"
    & skf18("6","1","4","1","7","9","1") = "8"
    & skf18("6","1","4","1","7","10","1") = "9"
    & skf18("6","1","4","1","8","1","1") = "7"
    & skf18("6","1","4","1","8","2","1") = "7"
    & skf18("6","1","4","1","8","3","1") = "7"
    & skf18("6","1","4","1","8","4","1") = "7"
    & skf18("6","1","4","1","8","5","1") = "7"
    & skf18("6","1","4","1","8","6","1") = "7"
    & skf18("6","1","4","1","8","7","1") = "7"
    & skf18("6","1","4","1","8","8","1") = "7"
    & skf18("6","1","4","1","8","9","1") = "8"
    & skf18("6","1","4","1","8","10","1") = "9"
    & skf18("6","1","4","1","9","1","1") = "8"
    & skf18("6","1","4","1","9","2","1") = "8"
    & skf18("6","1","4","1","9","3","1") = "8"
    & skf18("6","1","4","1","9","4","1") = "8"
    & skf18("6","1","4","1","9","5","1") = "8"
    & skf18("6","1","4","1","9","6","1") = "8"
    & skf18("6","1","4","1","9","7","1") = "8"
    & skf18("6","1","4","1","9","8","1") = "8"
    & skf18("6","1","4","1","9","9","1") = "8"
    & skf18("6","1","4","1","9","10","1") = "9"
    & skf18("6","1","4","1","10","1","1") = "9"
    & skf18("6","1","4","1","10","2","1") = "9"
    & skf18("6","1","4","1","10","3","1") = "9"
    & skf18("6","1","4","1","10","4","1") = "9"
    & skf18("6","1","4","1","10","5","1") = "9"
    & skf18("6","1","4","1","10","6","1") = "9"
    & skf18("6","1","4","1","10","7","1") = "9"
    & skf18("6","1","4","1","10","8","1") = "9"
    & skf18("6","1","4","1","10","9","1") = "9"
    & skf18("6","1","4","1","10","10","1") = "9"
    & skf18("6","1","4","2","1","1","1") = "5"
    & skf18("6","1","4","2","1","2","1") = "5"
    & skf18("6","1","4","2","1","3","1") = "5"
    & skf18("6","1","4","2","1","4","1") = "5"
    & skf18("6","1","4","2","1","5","1") = "5"
    & skf18("6","1","4","2","1","6","1") = "5"
    & skf18("6","1","4","2","1","7","1") = "6"
    & skf18("6","1","4","2","1","8","1") = "7"
    & skf18("6","1","4","2","1","9","1") = "8"
    & skf18("6","1","4","2","1","10","1") = "9"
    & skf18("6","1","4","2","2","1","1") = "5"
    & skf18("6","1","4","2","2","2","1") = "5"
    & skf18("6","1","4","2","2","3","1") = "5"
    & skf18("6","1","4","2","2","4","1") = "5"
    & skf18("6","1","4","2","2","5","1") = "5"
    & skf18("6","1","4","2","2","6","1") = "5"
    & skf18("6","1","4","2","2","7","1") = "6"
    & skf18("6","1","4","2","2","8","1") = "7"
    & skf18("6","1","4","2","2","9","1") = "8"
    & skf18("6","1","4","2","2","10","1") = "9"
    & skf18("6","1","4","2","3","1","1") = "5"
    & skf18("6","1","4","2","3","2","1") = "5"
    & skf18("6","1","4","2","3","3","1") = "5"
    & skf18("6","1","4","2","3","4","1") = "5"
    & skf18("6","1","4","2","3","5","1") = "5"
    & skf18("6","1","4","2","3","6","1") = "5"
    & skf18("6","1","4","2","3","7","1") = "6"
    & skf18("6","1","4","2","3","8","1") = "7"
    & skf18("6","1","4","2","3","9","1") = "8"
    & skf18("6","1","4","2","3","10","1") = "9"
    & skf18("6","1","4","2","4","1","1") = "5"
    & skf18("6","1","4","2","4","2","1") = "5"
    & skf18("6","1","4","2","4","3","1") = "5"
    & skf18("6","1","4","2","4","4","1") = "5"
    & skf18("6","1","4","2","4","5","1") = "5"
    & skf18("6","1","4","2","4","6","1") = "5"
    & skf18("6","1","4","2","4","7","1") = "6"
    & skf18("6","1","4","2","4","8","1") = "7"
    & skf18("6","1","4","2","4","9","1") = "8"
    & skf18("6","1","4","2","4","10","1") = "9"
    & skf18("6","1","4","2","5","1","1") = "5"
    & skf18("6","1","4","2","5","2","1") = "5"
    & skf18("6","1","4","2","5","3","1") = "5"
    & skf18("6","1","4","2","5","4","1") = "5"
    & skf18("6","1","4","2","5","5","1") = "5"
    & skf18("6","1","4","2","5","6","1") = "5"
    & skf18("6","1","4","2","5","7","1") = "6"
    & skf18("6","1","4","2","5","8","1") = "7"
    & skf18("6","1","4","2","5","9","1") = "8"
    & skf18("6","1","4","2","5","10","1") = "9"
    & skf18("6","1","4","2","6","1","1") = "5"
    & skf18("6","1","4","2","6","2","1") = "5"
    & skf18("6","1","4","2","6","3","1") = "5"
    & skf18("6","1","4","2","6","4","1") = "5"
    & skf18("6","1","4","2","6","5","1") = "5"
    & skf18("6","1","4","2","6","6","1") = "5"
    & skf18("6","1","4","2","6","7","1") = "6"
    & skf18("6","1","4","2","6","8","1") = "7"
    & skf18("6","1","4","2","6","9","1") = "8"
    & skf18("6","1","4","2","6","10","1") = "9"
    & skf18("6","1","4","2","7","1","1") = "6"
    & skf18("6","1","4","2","7","2","1") = "6"
    & skf18("6","1","4","2","7","3","1") = "6"
    & skf18("6","1","4","2","7","4","1") = "6"
    & skf18("6","1","4","2","7","5","1") = "6"
    & skf18("6","1","4","2","7","6","1") = "6"
    & skf18("6","1","4","2","7","7","1") = "6"
    & skf18("6","1","4","2","7","8","1") = "7"
    & skf18("6","1","4","2","7","9","1") = "8"
    & skf18("6","1","4","2","7","10","1") = "9"
    & skf18("6","1","4","2","8","1","1") = "7"
    & skf18("6","1","4","2","8","2","1") = "7"
    & skf18("6","1","4","2","8","3","1") = "7"
    & skf18("6","1","4","2","8","4","1") = "7"
    & skf18("6","1","4","2","8","5","1") = "7"
    & skf18("6","1","4","2","8","6","1") = "7"
    & skf18("6","1","4","2","8","7","1") = "7"
    & skf18("6","1","4","2","8","8","1") = "7"
    & skf18("6","1","4","2","8","9","1") = "8"
    & skf18("6","1","4","2","8","10","1") = "9"
    & skf18("6","1","4","2","9","1","1") = "8"
    & skf18("6","1","4","2","9","2","1") = "8"
    & skf18("6","1","4","2","9","3","1") = "8"
    & skf18("6","1","4","2","9","4","1") = "8"
    & skf18("6","1","4","2","9","5","1") = "8"
    & skf18("6","1","4","2","9","6","1") = "8"
    & skf18("6","1","4","2","9","7","1") = "8"
    & skf18("6","1","4","2","9","8","1") = "8"
    & skf18("6","1","4","2","9","9","1") = "8"
    & skf18("6","1","4","2","9","10","1") = "9"
    & skf18("6","1","4","2","10","1","1") = "9"
    & skf18("6","1","4","2","10","2","1") = "9"
    & skf18("6","1","4","2","10","3","1") = "9"
    & skf18("6","1","4","2","10","4","1") = "9"
    & skf18("6","1","4","2","10","5","1") = "9"
    & skf18("6","1","4","2","10","6","1") = "9"
    & skf18("6","1","4","2","10","7","1") = "9"
    & skf18("6","1","4","2","10","8","1") = "9"
    & skf18("6","1","4","2","10","9","1") = "9"
    & skf18("6","1","4","2","10","10","1") = "9"
    & skf18("6","1","4","3","1","1","1") = "5"
    & skf18("6","1","4","3","1","2","1") = "5"
    & skf18("6","1","4","3","1","3","1") = "5"
    & skf18("6","1","4","3","1","4","1") = "5"
    & skf18("6","1","4","3","1","5","1") = "5"
    & skf18("6","1","4","3","1","6","1") = "5"
    & skf18("6","1","4","3","1","7","1") = "6"
    & skf18("6","1","4","3","1","8","1") = "7"
    & skf18("6","1","4","3","1","9","1") = "8"
    & skf18("6","1","4","3","1","10","1") = "9"
    & skf18("6","1","4","3","2","1","1") = "5"
    & skf18("6","1","4","3","2","2","1") = "5"
    & skf18("6","1","4","3","2","3","1") = "5"
    & skf18("6","1","4","3","2","4","1") = "5"
    & skf18("6","1","4","3","2","5","1") = "5"
    & skf18("6","1","4","3","2","6","1") = "5"
    & skf18("6","1","4","3","2","7","1") = "6"
    & skf18("6","1","4","3","2","8","1") = "7"
    & skf18("6","1","4","3","2","9","1") = "8"
    & skf18("6","1","4","3","2","10","1") = "9"
    & skf18("6","1","4","3","3","1","1") = "5"
    & skf18("6","1","4","3","3","2","1") = "5"
    & skf18("6","1","4","3","3","3","1") = "5"
    & skf18("6","1","4","3","3","4","1") = "5"
    & skf18("6","1","4","3","3","5","1") = "5"
    & skf18("6","1","4","3","3","6","1") = "5"
    & skf18("6","1","4","3","3","7","1") = "6"
    & skf18("6","1","4","3","3","8","1") = "7"
    & skf18("6","1","4","3","3","9","1") = "8"
    & skf18("6","1","4","3","3","10","1") = "9"
    & skf18("6","1","4","3","4","1","1") = "5"
    & skf18("6","1","4","3","4","2","1") = "5"
    & skf18("6","1","4","3","4","3","1") = "5"
    & skf18("6","1","4","3","4","4","1") = "5"
    & skf18("6","1","4","3","4","5","1") = "5"
    & skf18("6","1","4","3","4","6","1") = "5"
    & skf18("6","1","4","3","4","7","1") = "6"
    & skf18("6","1","4","3","4","8","1") = "7"
    & skf18("6","1","4","3","4","9","1") = "8"
    & skf18("6","1","4","3","4","10","1") = "9"
    & skf18("6","1","4","3","5","1","1") = "5"
    & skf18("6","1","4","3","5","2","1") = "5"
    & skf18("6","1","4","3","5","3","1") = "5"
    & skf18("6","1","4","3","5","4","1") = "5"
    & skf18("6","1","4","3","5","5","1") = "5"
    & skf18("6","1","4","3","5","6","1") = "5"
    & skf18("6","1","4","3","5","7","1") = "6"
    & skf18("6","1","4","3","5","8","1") = "7"
    & skf18("6","1","4","3","5","9","1") = "8"
    & skf18("6","1","4","3","5","10","1") = "9"
    & skf18("6","1","4","3","6","1","1") = "5"
    & skf18("6","1","4","3","6","2","1") = "5"
    & skf18("6","1","4","3","6","3","1") = "5"
    & skf18("6","1","4","3","6","4","1") = "5"
    & skf18("6","1","4","3","6","5","1") = "5"
    & skf18("6","1","4","3","6","6","1") = "5"
    & skf18("6","1","4","3","6","7","1") = "6"
    & skf18("6","1","4","3","6","8","1") = "7"
    & skf18("6","1","4","3","6","9","1") = "8"
    & skf18("6","1","4","3","6","10","1") = "9"
    & skf18("6","1","4","3","7","1","1") = "6"
    & skf18("6","1","4","3","7","2","1") = "6"
    & skf18("6","1","4","3","7","3","1") = "6"
    & skf18("6","1","4","3","7","4","1") = "6"
    & skf18("6","1","4","3","7","5","1") = "6"
    & skf18("6","1","4","3","7","6","1") = "6"
    & skf18("6","1","4","3","7","7","1") = "6"
    & skf18("6","1","4","3","7","8","1") = "7"
    & skf18("6","1","4","3","7","9","1") = "8"
    & skf18("6","1","4","3","7","10","1") = "9"
    & skf18("6","1","4","3","8","1","1") = "7"
    & skf18("6","1","4","3","8","2","1") = "7"
    & skf18("6","1","4","3","8","3","1") = "7"
    & skf18("6","1","4","3","8","4","1") = "7"
    & skf18("6","1","4","3","8","5","1") = "7"
    & skf18("6","1","4","3","8","6","1") = "7"
    & skf18("6","1","4","3","8","7","1") = "7"
    & skf18("6","1","4","3","8","8","1") = "7"
    & skf18("6","1","4","3","8","9","1") = "8"
    & skf18("6","1","4","3","8","10","1") = "9"
    & skf18("6","1","4","3","9","1","1") = "8"
    & skf18("6","1","4","3","9","2","1") = "8"
    & skf18("6","1","4","3","9","3","1") = "8"
    & skf18("6","1","4","3","9","4","1") = "8"
    & skf18("6","1","4","3","9","5","1") = "8"
    & skf18("6","1","4","3","9","6","1") = "8"
    & skf18("6","1","4","3","9","7","1") = "8"
    & skf18("6","1","4","3","9","8","1") = "8"
    & skf18("6","1","4","3","9","9","1") = "8"
    & skf18("6","1","4","3","9","10","1") = "9"
    & skf18("6","1","4","3","10","1","1") = "9"
    & skf18("6","1","4","3","10","2","1") = "9"
    & skf18("6","1","4","3","10","3","1") = "9"
    & skf18("6","1","4","3","10","4","1") = "9"
    & skf18("6","1","4","3","10","5","1") = "9"
    & skf18("6","1","4","3","10","6","1") = "9"
    & skf18("6","1","4","3","10","7","1") = "9"
    & skf18("6","1","4","3","10","8","1") = "9"
    & skf18("6","1","4","3","10","9","1") = "9"
    & skf18("6","1","4","3","10","10","1") = "9"
    & skf18("6","1","4","4","1","1","1") = "5"
    & skf18("6","1","4","4","1","2","1") = "5"
    & skf18("6","1","4","4","1","3","1") = "5"
    & skf18("6","1","4","4","1","4","1") = "5"
    & skf18("6","1","4","4","1","5","1") = "5"
    & skf18("6","1","4","4","1","6","1") = "5"
    & skf18("6","1","4","4","1","7","1") = "6"
    & skf18("6","1","4","4","1","8","1") = "7"
    & skf18("6","1","4","4","1","9","1") = "8"
    & skf18("6","1","4","4","1","10","1") = "9"
    & skf18("6","1","4","4","2","1","1") = "5"
    & skf18("6","1","4","4","2","2","1") = "5"
    & skf18("6","1","4","4","2","3","1") = "5"
    & skf18("6","1","4","4","2","4","1") = "5"
    & skf18("6","1","4","4","2","5","1") = "5"
    & skf18("6","1","4","4","2","6","1") = "5"
    & skf18("6","1","4","4","2","7","1") = "6"
    & skf18("6","1","4","4","2","8","1") = "7"
    & skf18("6","1","4","4","2","9","1") = "8"
    & skf18("6","1","4","4","2","10","1") = "9"
    & skf18("6","1","4","4","3","1","1") = "5"
    & skf18("6","1","4","4","3","2","1") = "5"
    & skf18("6","1","4","4","3","3","1") = "5"
    & skf18("6","1","4","4","3","4","1") = "5"
    & skf18("6","1","4","4","3","5","1") = "5"
    & skf18("6","1","4","4","3","6","1") = "5"
    & skf18("6","1","4","4","3","7","1") = "6"
    & skf18("6","1","4","4","3","8","1") = "7"
    & skf18("6","1","4","4","3","9","1") = "8"
    & skf18("6","1","4","4","3","10","1") = "9"
    & skf18("6","1","4","4","4","1","1") = "5"
    & skf18("6","1","4","4","4","2","1") = "5"
    & skf18("6","1","4","4","4","3","1") = "5"
    & skf18("6","1","4","4","4","4","1") = "5"
    & skf18("6","1","4","4","4","5","1") = "5"
    & skf18("6","1","4","4","4","6","1") = "5"
    & skf18("6","1","4","4","4","7","1") = "6"
    & skf18("6","1","4","4","4","8","1") = "7"
    & skf18("6","1","4","4","4","9","1") = "8"
    & skf18("6","1","4","4","4","10","1") = "9"
    & skf18("6","1","4","4","5","1","1") = "5"
    & skf18("6","1","4","4","5","2","1") = "5"
    & skf18("6","1","4","4","5","3","1") = "5"
    & skf18("6","1","4","4","5","4","1") = "5"
    & skf18("6","1","4","4","5","5","1") = "5"
    & skf18("6","1","4","4","5","6","1") = "5"
    & skf18("6","1","4","4","5","7","1") = "6"
    & skf18("6","1","4","4","5","8","1") = "7"
    & skf18("6","1","4","4","5","9","1") = "8"
    & skf18("6","1","4","4","5","10","1") = "9"
    & skf18("6","1","4","4","6","1","1") = "5"
    & skf18("6","1","4","4","6","2","1") = "5"
    & skf18("6","1","4","4","6","3","1") = "5"
    & skf18("6","1","4","4","6","4","1") = "5"
    & skf18("6","1","4","4","6","5","1") = "5"
    & skf18("6","1","4","4","6","6","1") = "5"
    & skf18("6","1","4","4","6","7","1") = "6"
    & skf18("6","1","4","4","6","8","1") = "7"
    & skf18("6","1","4","4","6","9","1") = "8"
    & skf18("6","1","4","4","6","10","1") = "9"
    & skf18("6","1","4","4","7","1","1") = "6"
    & skf18("6","1","4","4","7","2","1") = "6"
    & skf18("6","1","4","4","7","3","1") = "6"
    & skf18("6","1","4","4","7","4","1") = "6"
    & skf18("6","1","4","4","7","5","1") = "6"
    & skf18("6","1","4","4","7","6","1") = "6"
    & skf18("6","1","4","4","7","7","1") = "6"
    & skf18("6","1","4","4","7","8","1") = "7"
    & skf18("6","1","4","4","7","9","1") = "8"
    & skf18("6","1","4","4","7","10","1") = "9"
    & skf18("6","1","4","4","8","1","1") = "7"
    & skf18("6","1","4","4","8","2","1") = "7"
    & skf18("6","1","4","4","8","3","1") = "7"
    & skf18("6","1","4","4","8","4","1") = "7"
    & skf18("6","1","4","4","8","5","1") = "7"
    & skf18("6","1","4","4","8","6","1") = "7"
    & skf18("6","1","4","4","8","7","1") = "7"
    & skf18("6","1","4","4","8","8","1") = "7"
    & skf18("6","1","4","4","8","9","1") = "8"
    & skf18("6","1","4","4","8","10","1") = "9"
    & skf18("6","1","4","4","9","1","1") = "8"
    & skf18("6","1","4","4","9","2","1") = "8"
    & skf18("6","1","4","4","9","3","1") = "8"
    & skf18("6","1","4","4","9","4","1") = "8"
    & skf18("6","1","4","4","9","5","1") = "8"
    & skf18("6","1","4","4","9","6","1") = "8"
    & skf18("6","1","4","4","9","7","1") = "8"
    & skf18("6","1","4","4","9","8","1") = "8"
    & skf18("6","1","4","4","9","9","1") = "8"
    & skf18("6","1","4","4","9","10","1") = "9"
    & skf18("6","1","4","4","10","1","1") = "9"
    & skf18("6","1","4","4","10","2","1") = "9"
    & skf18("6","1","4","4","10","3","1") = "9"
    & skf18("6","1","4","4","10","4","1") = "9"
    & skf18("6","1","4","4","10","5","1") = "9"
    & skf18("6","1","4","4","10","6","1") = "9"
    & skf18("6","1","4","4","10","7","1") = "9"
    & skf18("6","1","4","4","10","8","1") = "9"
    & skf18("6","1","4","4","10","9","1") = "9"
    & skf18("6","1","4","4","10","10","1") = "9"
    & skf18("6","1","4","5","1","1","1") = "5"
    & skf18("6","1","4","5","1","2","1") = "5"
    & skf18("6","1","4","5","1","3","1") = "5"
    & skf18("6","1","4","5","1","4","1") = "5"
    & skf18("6","1","4","5","1","5","1") = "5"
    & skf18("6","1","4","5","1","6","1") = "5"
    & skf18("6","1","4","5","1","7","1") = "6"
    & skf18("6","1","4","5","1","8","1") = "7"
    & skf18("6","1","4","5","1","9","1") = "8"
    & skf18("6","1","4","5","1","10","1") = "9"
    & skf18("6","1","4","5","2","1","1") = "5"
    & skf18("6","1","4","5","2","2","1") = "5"
    & skf18("6","1","4","5","2","3","1") = "5"
    & skf18("6","1","4","5","2","4","1") = "5"
    & skf18("6","1","4","5","2","5","1") = "5"
    & skf18("6","1","4","5","2","6","1") = "5"
    & skf18("6","1","4","5","2","7","1") = "6"
    & skf18("6","1","4","5","2","8","1") = "7"
    & skf18("6","1","4","5","2","9","1") = "8"
    & skf18("6","1","4","5","2","10","1") = "9"
    & skf18("6","1","4","5","3","1","1") = "5"
    & skf18("6","1","4","5","3","2","1") = "5"
    & skf18("6","1","4","5","3","3","1") = "5"
    & skf18("6","1","4","5","3","4","1") = "5"
    & skf18("6","1","4","5","3","5","1") = "5"
    & skf18("6","1","4","5","3","6","1") = "5"
    & skf18("6","1","4","5","3","7","1") = "6"
    & skf18("6","1","4","5","3","8","1") = "7"
    & skf18("6","1","4","5","3","9","1") = "8"
    & skf18("6","1","4","5","3","10","1") = "9"
    & skf18("6","1","4","5","4","1","1") = "5"
    & skf18("6","1","4","5","4","2","1") = "5"
    & skf18("6","1","4","5","4","3","1") = "5"
    & skf18("6","1","4","5","4","4","1") = "5"
    & skf18("6","1","4","5","4","5","1") = "5"
    & skf18("6","1","4","5","4","6","1") = "5"
    & skf18("6","1","4","5","4","7","1") = "6"
    & skf18("6","1","4","5","4","8","1") = "7"
    & skf18("6","1","4","5","4","9","1") = "8"
    & skf18("6","1","4","5","4","10","1") = "9"
    & skf18("6","1","4","5","5","1","1") = "5"
    & skf18("6","1","4","5","5","2","1") = "5"
    & skf18("6","1","4","5","5","3","1") = "5"
    & skf18("6","1","4","5","5","4","1") = "5"
    & skf18("6","1","4","5","5","5","1") = "5"
    & skf18("6","1","4","5","5","6","1") = "5"
    & skf18("6","1","4","5","5","7","1") = "6"
    & skf18("6","1","4","5","5","8","1") = "7"
    & skf18("6","1","4","5","5","9","1") = "8"
    & skf18("6","1","4","5","5","10","1") = "9"
    & skf18("6","1","4","5","6","1","1") = "5"
    & skf18("6","1","4","5","6","2","1") = "5"
    & skf18("6","1","4","5","6","3","1") = "5"
    & skf18("6","1","4","5","6","4","1") = "5"
    & skf18("6","1","4","5","6","5","1") = "5"
    & skf18("6","1","4","5","6","6","1") = "5"
    & skf18("6","1","4","5","6","7","1") = "6"
    & skf18("6","1","4","5","6","8","1") = "7"
    & skf18("6","1","4","5","6","9","1") = "8"
    & skf18("6","1","4","5","6","10","1") = "9"
    & skf18("6","1","4","5","7","1","1") = "6"
    & skf18("6","1","4","5","7","2","1") = "6"
    & skf18("6","1","4","5","7","3","1") = "6"
    & skf18("6","1","4","5","7","4","1") = "6"
    & skf18("6","1","4","5","7","5","1") = "6"
    & skf18("6","1","4","5","7","6","1") = "6"
    & skf18("6","1","4","5","7","7","1") = "6"
    & skf18("6","1","4","5","7","8","1") = "7"
    & skf18("6","1","4","5","7","9","1") = "8"
    & skf18("6","1","4","5","7","10","1") = "9"
    & skf18("6","1","4","5","8","1","1") = "7"
    & skf18("6","1","4","5","8","2","1") = "7"
    & skf18("6","1","4","5","8","3","1") = "7"
    & skf18("6","1","4","5","8","4","1") = "7"
    & skf18("6","1","4","5","8","5","1") = "7"
    & skf18("6","1","4","5","8","6","1") = "7"
    & skf18("6","1","4","5","8","7","1") = "7"
    & skf18("6","1","4","5","8","8","1") = "7"
    & skf18("6","1","4","5","8","9","1") = "8"
    & skf18("6","1","4","5","8","10","1") = "9"
    & skf18("6","1","4","5","9","1","1") = "8"
    & skf18("6","1","4","5","9","2","1") = "8"
    & skf18("6","1","4","5","9","3","1") = "8"
    & skf18("6","1","4","5","9","4","1") = "8"
    & skf18("6","1","4","5","9","5","1") = "8"
    & skf18("6","1","4","5","9","6","1") = "8"
    & skf18("6","1","4","5","9","7","1") = "8"
    & skf18("6","1","4","5","9","8","1") = "8"
    & skf18("6","1","4","5","9","9","1") = "8"
    & skf18("6","1","4","5","9","10","1") = "9"
    & skf18("6","1","4","5","10","1","1") = "9"
    & skf18("6","1","4","5","10","2","1") = "9"
    & skf18("6","1","4","5","10","3","1") = "9"
    & skf18("6","1","4","5","10","4","1") = "9"
    & skf18("6","1","4","5","10","5","1") = "9"
    & skf18("6","1","4","5","10","6","1") = "9"
    & skf18("6","1","4","5","10","7","1") = "9"
    & skf18("6","1","4","5","10","8","1") = "9"
    & skf18("6","1","4","5","10","9","1") = "9"
    & skf18("6","1","4","5","10","10","1") = "9"
    & skf18("6","1","4","6","1","1","1") = "5"
    & skf18("6","1","4","6","1","2","1") = "5"
    & skf18("6","1","4","6","1","3","1") = "5"
    & skf18("6","1","4","6","1","4","1") = "5"
    & skf18("6","1","4","6","1","5","1") = "5"
    & skf18("6","1","4","6","1","6","1") = "5"
    & skf18("6","1","4","6","1","7","1") = "6"
    & skf18("6","1","4","6","1","8","1") = "7"
    & skf18("6","1","4","6","1","9","1") = "8"
    & skf18("6","1","4","6","1","10","1") = "9"
    & skf18("6","1","4","6","2","1","1") = "5"
    & skf18("6","1","4","6","2","2","1") = "5"
    & skf18("6","1","4","6","2","3","1") = "5"
    & skf18("6","1","4","6","2","4","1") = "5"
    & skf18("6","1","4","6","2","5","1") = "5"
    & skf18("6","1","4","6","2","6","1") = "5"
    & skf18("6","1","4","6","2","7","1") = "6"
    & skf18("6","1","4","6","2","8","1") = "7"
    & skf18("6","1","4","6","2","9","1") = "8"
    & skf18("6","1","4","6","2","10","1") = "9"
    & skf18("6","1","4","6","3","1","1") = "5"
    & skf18("6","1","4","6","3","2","1") = "5"
    & skf18("6","1","4","6","3","3","1") = "5"
    & skf18("6","1","4","6","3","4","1") = "5"
    & skf18("6","1","4","6","3","5","1") = "5"
    & skf18("6","1","4","6","3","6","1") = "5"
    & skf18("6","1","4","6","3","7","1") = "6"
    & skf18("6","1","4","6","3","8","1") = "7"
    & skf18("6","1","4","6","3","9","1") = "8"
    & skf18("6","1","4","6","3","10","1") = "9"
    & skf18("6","1","4","6","4","1","1") = "5"
    & skf18("6","1","4","6","4","2","1") = "5"
    & skf18("6","1","4","6","4","3","1") = "5"
    & skf18("6","1","4","6","4","4","1") = "5"
    & skf18("6","1","4","6","4","5","1") = "5"
    & skf18("6","1","4","6","4","6","1") = "5"
    & skf18("6","1","4","6","4","7","1") = "6"
    & skf18("6","1","4","6","4","8","1") = "7"
    & skf18("6","1","4","6","4","9","1") = "8"
    & skf18("6","1","4","6","4","10","1") = "9"
    & skf18("6","1","4","6","5","1","1") = "5"
    & skf18("6","1","4","6","5","2","1") = "5"
    & skf18("6","1","4","6","5","3","1") = "5"
    & skf18("6","1","4","6","5","4","1") = "5"
    & skf18("6","1","4","6","5","5","1") = "5"
    & skf18("6","1","4","6","5","6","1") = "5"
    & skf18("6","1","4","6","5","7","1") = "6"
    & skf18("6","1","4","6","5","8","1") = "7"
    & skf18("6","1","4","6","5","9","1") = "8"
    & skf18("6","1","4","6","5","10","1") = "9"
    & skf18("6","1","4","6","6","1","1") = "5"
    & skf18("6","1","4","6","6","2","1") = "5"
    & skf18("6","1","4","6","6","3","1") = "5"
    & skf18("6","1","4","6","6","4","1") = "5"
    & skf18("6","1","4","6","6","5","1") = "5"
    & skf18("6","1","4","6","6","6","1") = "5"
    & skf18("6","1","4","6","6","7","1") = "6"
    & skf18("6","1","4","6","6","8","1") = "7"
    & skf18("6","1","4","6","6","9","1") = "8"
    & skf18("6","1","4","6","6","10","1") = "9"
    & skf18("6","1","4","6","7","1","1") = "6"
    & skf18("6","1","4","6","7","2","1") = "6"
    & skf18("6","1","4","6","7","3","1") = "6"
    & skf18("6","1","4","6","7","4","1") = "6"
    & skf18("6","1","4","6","7","5","1") = "6"
    & skf18("6","1","4","6","7","6","1") = "6"
    & skf18("6","1","4","6","7","7","1") = "6"
    & skf18("6","1","4","6","7","8","1") = "7"
    & skf18("6","1","4","6","7","9","1") = "8"
    & skf18("6","1","4","6","7","10","1") = "9"
    & skf18("6","1","4","6","8","1","1") = "7"
    & skf18("6","1","4","6","8","2","1") = "7"
    & skf18("6","1","4","6","8","3","1") = "7"
    & skf18("6","1","4","6","8","4","1") = "7"
    & skf18("6","1","4","6","8","5","1") = "7"
    & skf18("6","1","4","6","8","6","1") = "7"
    & skf18("6","1","4","6","8","7","1") = "7"
    & skf18("6","1","4","6","8","8","1") = "7"
    & skf18("6","1","4","6","8","9","1") = "8"
    & skf18("6","1","4","6","8","10","1") = "9"
    & skf18("6","1","4","6","9","1","1") = "8"
    & skf18("6","1","4","6","9","2","1") = "8"
    & skf18("6","1","4","6","9","3","1") = "8"
    & skf18("6","1","4","6","9","4","1") = "8"
    & skf18("6","1","4","6","9","5","1") = "8"
    & skf18("6","1","4","6","9","6","1") = "8"
    & skf18("6","1","4","6","9","7","1") = "8"
    & skf18("6","1","4","6","9","8","1") = "8"
    & skf18("6","1","4","6","9","9","1") = "8"
    & skf18("6","1","4","6","9","10","1") = "9"
    & skf18("6","1","4","6","10","1","1") = "9"
    & skf18("6","1","4","6","10","2","1") = "9"
    & skf18("6","1","4","6","10","3","1") = "9"
    & skf18("6","1","4","6","10","4","1") = "9"
    & skf18("6","1","4","6","10","5","1") = "9"
    & skf18("6","1","4","6","10","6","1") = "9"
    & skf18("6","1","4","6","10","7","1") = "9"
    & skf18("6","1","4","6","10","8","1") = "9"
    & skf18("6","1","4","6","10","9","1") = "9"
    & skf18("6","1","4","6","10","10","1") = "9"
    & skf18("6","1","4","7","1","1","1") = "6"
    & skf18("6","1","4","7","1","2","1") = "6"
    & skf18("6","1","4","7","1","3","1") = "6"
    & skf18("6","1","4","7","1","4","1") = "6"
    & skf18("6","1","4","7","1","5","1") = "6"
    & skf18("6","1","4","7","1","6","1") = "6"
    & skf18("6","1","4","7","1","7","1") = "6"
    & skf18("6","1","4","7","1","8","1") = "7"
    & skf18("6","1","4","7","1","9","1") = "8"
    & skf18("6","1","4","7","1","10","1") = "9"
    & skf18("6","1","4","7","2","1","1") = "6"
    & skf18("6","1","4","7","2","2","1") = "6"
    & skf18("6","1","4","7","2","3","1") = "6"
    & skf18("6","1","4","7","2","4","1") = "6"
    & skf18("6","1","4","7","2","5","1") = "6"
    & skf18("6","1","4","7","2","6","1") = "6"
    & skf18("6","1","4","7","2","7","1") = "6"
    & skf18("6","1","4","7","2","8","1") = "7"
    & skf18("6","1","4","7","2","9","1") = "8"
    & skf18("6","1","4","7","2","10","1") = "9"
    & skf18("6","1","4","7","3","1","1") = "6"
    & skf18("6","1","4","7","3","2","1") = "6"
    & skf18("6","1","4","7","3","3","1") = "6"
    & skf18("6","1","4","7","3","4","1") = "6"
    & skf18("6","1","4","7","3","5","1") = "6"
    & skf18("6","1","4","7","3","6","1") = "6"
    & skf18("6","1","4","7","3","7","1") = "6"
    & skf18("6","1","4","7","3","8","1") = "7"
    & skf18("6","1","4","7","3","9","1") = "8"
    & skf18("6","1","4","7","3","10","1") = "9"
    & skf18("6","1","4","7","4","1","1") = "6"
    & skf18("6","1","4","7","4","2","1") = "6"
    & skf18("6","1","4","7","4","3","1") = "6"
    & skf18("6","1","4","7","4","4","1") = "6"
    & skf18("6","1","4","7","4","5","1") = "6"
    & skf18("6","1","4","7","4","6","1") = "6"
    & skf18("6","1","4","7","4","7","1") = "6"
    & skf18("6","1","4","7","4","8","1") = "7"
    & skf18("6","1","4","7","4","9","1") = "8"
    & skf18("6","1","4","7","4","10","1") = "9"
    & skf18("6","1","4","7","5","1","1") = "6"
    & skf18("6","1","4","7","5","2","1") = "6"
    & skf18("6","1","4","7","5","3","1") = "6"
    & skf18("6","1","4","7","5","4","1") = "6"
    & skf18("6","1","4","7","5","5","1") = "6"
    & skf18("6","1","4","7","5","6","1") = "6"
    & skf18("6","1","4","7","5","7","1") = "6"
    & skf18("6","1","4","7","5","8","1") = "7"
    & skf18("6","1","4","7","5","9","1") = "8"
    & skf18("6","1","4","7","5","10","1") = "9"
    & skf18("6","1","4","7","6","1","1") = "6"
    & skf18("6","1","4","7","6","2","1") = "6"
    & skf18("6","1","4","7","6","3","1") = "6"
    & skf18("6","1","4","7","6","4","1") = "6"
    & skf18("6","1","4","7","6","5","1") = "6"
    & skf18("6","1","4","7","6","6","1") = "6"
    & skf18("6","1","4","7","6","7","1") = "6"
    & skf18("6","1","4","7","6","8","1") = "7"
    & skf18("6","1","4","7","6","9","1") = "8"
    & skf18("6","1","4","7","6","10","1") = "9"
    & skf18("6","1","4","7","7","1","1") = "6"
    & skf18("6","1","4","7","7","2","1") = "6"
    & skf18("6","1","4","7","7","3","1") = "6"
    & skf18("6","1","4","7","7","4","1") = "6"
    & skf18("6","1","4","7","7","5","1") = "6"
    & skf18("6","1","4","7","7","6","1") = "6"
    & skf18("6","1","4","7","7","7","1") = "6"
    & skf18("6","1","4","7","7","8","1") = "7"
    & skf18("6","1","4","7","7","9","1") = "8"
    & skf18("6","1","4","7","7","10","1") = "9"
    & skf18("6","1","4","7","8","1","1") = "7"
    & skf18("6","1","4","7","8","2","1") = "7"
    & skf18("6","1","4","7","8","3","1") = "7"
    & skf18("6","1","4","7","8","4","1") = "7"
    & skf18("6","1","4","7","8","5","1") = "7"
    & skf18("6","1","4","7","8","6","1") = "7"
    & skf18("6","1","4","7","8","7","1") = "7"
    & skf18("6","1","4","7","8","8","1") = "7"
    & skf18("6","1","4","7","8","9","1") = "8"
    & skf18("6","1","4","7","8","10","1") = "9"
    & skf18("6","1","4","7","9","1","1") = "8"
    & skf18("6","1","4","7","9","2","1") = "8"
    & skf18("6","1","4","7","9","3","1") = "8"
    & skf18("6","1","4","7","9","4","1") = "8"
    & skf18("6","1","4","7","9","5","1") = "8"
    & skf18("6","1","4","7","9","6","1") = "8"
    & skf18("6","1","4","7","9","7","1") = "8"
    & skf18("6","1","4","7","9","8","1") = "8"
    & skf18("6","1","4","7","9","9","1") = "8"
    & skf18("6","1","4","7","9","10","1") = "9"
    & skf18("6","1","4","7","10","1","1") = "9"
    & skf18("6","1","4","7","10","2","1") = "9"
    & skf18("6","1","4","7","10","3","1") = "9"
    & skf18("6","1","4","7","10","4","1") = "9"
    & skf18("6","1","4","7","10","5","1") = "9"
    & skf18("6","1","4","7","10","6","1") = "9"
    & skf18("6","1","4","7","10","7","1") = "9"
    & skf18("6","1","4","7","10","8","1") = "9"
    & skf18("6","1","4","7","10","9","1") = "9"
    & skf18("6","1","4","7","10","10","1") = "9"
    & skf18("6","1","4","8","1","1","1") = "7"
    & skf18("6","1","4","8","1","2","1") = "7"
    & skf18("6","1","4","8","1","3","1") = "7"
    & skf18("6","1","4","8","1","4","1") = "7"
    & skf18("6","1","4","8","1","5","1") = "7"
    & skf18("6","1","4","8","1","6","1") = "7"
    & skf18("6","1","4","8","1","7","1") = "7"
    & skf18("6","1","4","8","1","8","1") = "7"
    & skf18("6","1","4","8","1","9","1") = "8"
    & skf18("6","1","4","8","1","10","1") = "9"
    & skf18("6","1","4","8","2","1","1") = "7"
    & skf18("6","1","4","8","2","2","1") = "7"
    & skf18("6","1","4","8","2","3","1") = "7"
    & skf18("6","1","4","8","2","4","1") = "7"
    & skf18("6","1","4","8","2","5","1") = "7"
    & skf18("6","1","4","8","2","6","1") = "7"
    & skf18("6","1","4","8","2","7","1") = "7"
    & skf18("6","1","4","8","2","8","1") = "7"
    & skf18("6","1","4","8","2","9","1") = "8"
    & skf18("6","1","4","8","2","10","1") = "9"
    & skf18("6","1","4","8","3","1","1") = "7"
    & skf18("6","1","4","8","3","2","1") = "7"
    & skf18("6","1","4","8","3","3","1") = "7"
    & skf18("6","1","4","8","3","4","1") = "7"
    & skf18("6","1","4","8","3","5","1") = "7"
    & skf18("6","1","4","8","3","6","1") = "7"
    & skf18("6","1","4","8","3","7","1") = "7"
    & skf18("6","1","4","8","3","8","1") = "7"
    & skf18("6","1","4","8","3","9","1") = "8"
    & skf18("6","1","4","8","3","10","1") = "9"
    & skf18("6","1","4","8","4","1","1") = "7"
    & skf18("6","1","4","8","4","2","1") = "7"
    & skf18("6","1","4","8","4","3","1") = "7"
    & skf18("6","1","4","8","4","4","1") = "7"
    & skf18("6","1","4","8","4","5","1") = "7"
    & skf18("6","1","4","8","4","6","1") = "7"
    & skf18("6","1","4","8","4","7","1") = "7"
    & skf18("6","1","4","8","4","8","1") = "7"
    & skf18("6","1","4","8","4","9","1") = "8"
    & skf18("6","1","4","8","4","10","1") = "9"
    & skf18("6","1","4","8","5","1","1") = "7"
    & skf18("6","1","4","8","5","2","1") = "7"
    & skf18("6","1","4","8","5","3","1") = "7"
    & skf18("6","1","4","8","5","4","1") = "7"
    & skf18("6","1","4","8","5","5","1") = "7"
    & skf18("6","1","4","8","5","6","1") = "7"
    & skf18("6","1","4","8","5","7","1") = "7"
    & skf18("6","1","4","8","5","8","1") = "7"
    & skf18("6","1","4","8","5","9","1") = "8"
    & skf18("6","1","4","8","5","10","1") = "9"
    & skf18("6","1","4","8","6","1","1") = "7"
    & skf18("6","1","4","8","6","2","1") = "7"
    & skf18("6","1","4","8","6","3","1") = "7"
    & skf18("6","1","4","8","6","4","1") = "7"
    & skf18("6","1","4","8","6","5","1") = "7"
    & skf18("6","1","4","8","6","6","1") = "7"
    & skf18("6","1","4","8","6","7","1") = "7"
    & skf18("6","1","4","8","6","8","1") = "7"
    & skf18("6","1","4","8","6","9","1") = "8"
    & skf18("6","1","4","8","6","10","1") = "9"
    & skf18("6","1","4","8","7","1","1") = "7"
    & skf18("6","1","4","8","7","2","1") = "7"
    & skf18("6","1","4","8","7","3","1") = "7"
    & skf18("6","1","4","8","7","4","1") = "7"
    & skf18("6","1","4","8","7","5","1") = "7"
    & skf18("6","1","4","8","7","6","1") = "7"
    & skf18("6","1","4","8","7","7","1") = "7"
    & skf18("6","1","4","8","7","8","1") = "7"
    & skf18("6","1","4","8","7","9","1") = "8"
    & skf18("6","1","4","8","7","10","1") = "9"
    & skf18("6","1","4","8","8","1","1") = "7"
    & skf18("6","1","4","8","8","2","1") = "7"
    & skf18("6","1","4","8","8","3","1") = "7"
    & skf18("6","1","4","8","8","4","1") = "7"
    & skf18("6","1","4","8","8","5","1") = "7"
    & skf18("6","1","4","8","8","6","1") = "7"
    & skf18("6","1","4","8","8","7","1") = "7"
    & skf18("6","1","4","8","8","8","1") = "7"
    & skf18("6","1","4","8","8","9","1") = "8"
    & skf18("6","1","4","8","8","10","1") = "9"
    & skf18("6","1","4","8","9","1","1") = "8"
    & skf18("6","1","4","8","9","2","1") = "8"
    & skf18("6","1","4","8","9","3","1") = "8"
    & skf18("6","1","4","8","9","4","1") = "8"
    & skf18("6","1","4","8","9","5","1") = "8"
    & skf18("6","1","4","8","9","6","1") = "8"
    & skf18("6","1","4","8","9","7","1") = "8"
    & skf18("6","1","4","8","9","8","1") = "8"
    & skf18("6","1","4","8","9","9","1") = "8"
    & skf18("6","1","4","8","9","10","1") = "9"
    & skf18("6","1","4","8","10","1","1") = "9"
    & skf18("6","1","4","8","10","2","1") = "9"
    & skf18("6","1","4","8","10","3","1") = "9"
    & skf18("6","1","4","8","10","4","1") = "9"
    & skf18("6","1","4","8","10","5","1") = "9"
    & skf18("6","1","4","8","10","6","1") = "9"
    & skf18("6","1","4","8","10","7","1") = "9"
    & skf18("6","1","4","8","10","8","1") = "9"
    & skf18("6","1","4","8","10","9","1") = "9"
    & skf18("6","1","4","8","10","10","1") = "9"
    & skf18("6","1","4","9","1","1","1") = "8"
    & skf18("6","1","4","9","1","2","1") = "8"
    & skf18("6","1","4","9","1","3","1") = "8"
    & skf18("6","1","4","9","1","4","1") = "8"
    & skf18("6","1","4","9","1","5","1") = "8"
    & skf18("6","1","4","9","1","6","1") = "8"
    & skf18("6","1","4","9","1","7","1") = "8"
    & skf18("6","1","4","9","1","8","1") = "8"
    & skf18("6","1","4","9","1","9","1") = "8"
    & skf18("6","1","4","9","1","10","1") = "9"
    & skf18("6","1","4","9","2","1","1") = "8"
    & skf18("6","1","4","9","2","2","1") = "8"
    & skf18("6","1","4","9","2","3","1") = "8"
    & skf18("6","1","4","9","2","4","1") = "8"
    & skf18("6","1","4","9","2","5","1") = "8"
    & skf18("6","1","4","9","2","6","1") = "8"
    & skf18("6","1","4","9","2","7","1") = "8"
    & skf18("6","1","4","9","2","8","1") = "8"
    & skf18("6","1","4","9","2","9","1") = "8"
    & skf18("6","1","4","9","2","10","1") = "9"
    & skf18("6","1","4","9","3","1","1") = "8"
    & skf18("6","1","4","9","3","2","1") = "8"
    & skf18("6","1","4","9","3","3","1") = "8"
    & skf18("6","1","4","9","3","4","1") = "8"
    & skf18("6","1","4","9","3","5","1") = "8"
    & skf18("6","1","4","9","3","6","1") = "8"
    & skf18("6","1","4","9","3","7","1") = "8"
    & skf18("6","1","4","9","3","8","1") = "8"
    & skf18("6","1","4","9","3","9","1") = "8"
    & skf18("6","1","4","9","3","10","1") = "9"
    & skf18("6","1","4","9","4","1","1") = "8"
    & skf18("6","1","4","9","4","2","1") = "8"
    & skf18("6","1","4","9","4","3","1") = "8"
    & skf18("6","1","4","9","4","4","1") = "8"
    & skf18("6","1","4","9","4","5","1") = "8"
    & skf18("6","1","4","9","4","6","1") = "8"
    & skf18("6","1","4","9","4","7","1") = "8"
    & skf18("6","1","4","9","4","8","1") = "8"
    & skf18("6","1","4","9","4","9","1") = "8"
    & skf18("6","1","4","9","4","10","1") = "9"
    & skf18("6","1","4","9","5","1","1") = "8"
    & skf18("6","1","4","9","5","2","1") = "8"
    & skf18("6","1","4","9","5","3","1") = "8"
    & skf18("6","1","4","9","5","4","1") = "8"
    & skf18("6","1","4","9","5","5","1") = "8"
    & skf18("6","1","4","9","5","6","1") = "8"
    & skf18("6","1","4","9","5","7","1") = "8"
    & skf18("6","1","4","9","5","8","1") = "8"
    & skf18("6","1","4","9","5","9","1") = "8"
    & skf18("6","1","4","9","5","10","1") = "9"
    & skf18("6","1","4","9","6","1","1") = "8"
    & skf18("6","1","4","9","6","2","1") = "8"
    & skf18("6","1","4","9","6","3","1") = "8"
    & skf18("6","1","4","9","6","4","1") = "8"
    & skf18("6","1","4","9","6","5","1") = "8"
    & skf18("6","1","4","9","6","6","1") = "8"
    & skf18("6","1","4","9","6","7","1") = "8"
    & skf18("6","1","4","9","6","8","1") = "8"
    & skf18("6","1","4","9","6","9","1") = "8"
    & skf18("6","1","4","9","6","10","1") = "9"
    & skf18("6","1","4","9","7","1","1") = "8"
    & skf18("6","1","4","9","7","2","1") = "8"
    & skf18("6","1","4","9","7","3","1") = "8"
    & skf18("6","1","4","9","7","4","1") = "8"
    & skf18("6","1","4","9","7","5","1") = "8"
    & skf18("6","1","4","9","7","6","1") = "8"
    & skf18("6","1","4","9","7","7","1") = "8"
    & skf18("6","1","4","9","7","8","1") = "8"
    & skf18("6","1","4","9","7","9","1") = "8"
    & skf18("6","1","4","9","7","10","1") = "9"
    & skf18("6","1","4","9","8","1","1") = "8"
    & skf18("6","1","4","9","8","2","1") = "8"
    & skf18("6","1","4","9","8","3","1") = "8"
    & skf18("6","1","4","9","8","4","1") = "8"
    & skf18("6","1","4","9","8","5","1") = "8"
    & skf18("6","1","4","9","8","6","1") = "8"
    & skf18("6","1","4","9","8","7","1") = "8"
    & skf18("6","1","4","9","8","8","1") = "8"
    & skf18("6","1","4","9","8","9","1") = "8"
    & skf18("6","1","4","9","8","10","1") = "9"
    & skf18("6","1","4","9","9","1","1") = "8"
    & skf18("6","1","4","9","9","2","1") = "8"
    & skf18("6","1","4","9","9","3","1") = "8"
    & skf18("6","1","4","9","9","4","1") = "8"
    & skf18("6","1","4","9","9","5","1") = "8"
    & skf18("6","1","4","9","9","6","1") = "8"
    & skf18("6","1","4","9","9","7","1") = "8"
    & skf18("6","1","4","9","9","8","1") = "8"
    & skf18("6","1","4","9","9","9","1") = "8"
    & skf18("6","1","4","9","9","10","1") = "9"
    & skf18("6","1","4","9","10","1","1") = "9"
    & skf18("6","1","4","9","10","2","1") = "9"
    & skf18("6","1","4","9","10","3","1") = "9"
    & skf18("6","1","4","9","10","4","1") = "9"
    & skf18("6","1","4","9","10","5","1") = "9"
    & skf18("6","1","4","9","10","6","1") = "9"
    & skf18("6","1","4","9","10","7","1") = "9"
    & skf18("6","1","4","9","10","8","1") = "9"
    & skf18("6","1","4","9","10","9","1") = "9"
    & skf18("6","1","4","9","10","10","1") = "9"
    & skf18("6","1","4","10","1","1","1") = "9"
    & skf18("6","1","4","10","1","2","1") = "9"
    & skf18("6","1","4","10","1","3","1") = "9"
    & skf18("6","1","4","10","1","4","1") = "9"
    & skf18("6","1","4","10","1","5","1") = "9"
    & skf18("6","1","4","10","1","6","1") = "9"
    & skf18("6","1","4","10","1","7","1") = "9"
    & skf18("6","1","4","10","1","8","1") = "9"
    & skf18("6","1","4","10","1","9","1") = "9"
    & skf18("6","1","4","10","1","10","1") = "9"
    & skf18("6","1","4","10","2","1","1") = "9"
    & skf18("6","1","4","10","2","2","1") = "9"
    & skf18("6","1","4","10","2","3","1") = "9"
    & skf18("6","1","4","10","2","4","1") = "9"
    & skf18("6","1","4","10","2","5","1") = "9"
    & skf18("6","1","4","10","2","6","1") = "9"
    & skf18("6","1","4","10","2","7","1") = "9"
    & skf18("6","1","4","10","2","8","1") = "9"
    & skf18("6","1","4","10","2","9","1") = "9"
    & skf18("6","1","4","10","2","10","1") = "9"
    & skf18("6","1","4","10","3","1","1") = "9"
    & skf18("6","1","4","10","3","2","1") = "9"
    & skf18("6","1","4","10","3","3","1") = "9"
    & skf18("6","1","4","10","3","4","1") = "9"
    & skf18("6","1","4","10","3","5","1") = "9"
    & skf18("6","1","4","10","3","6","1") = "9"
    & skf18("6","1","4","10","3","7","1") = "9"
    & skf18("6","1","4","10","3","8","1") = "9"
    & skf18("6","1","4","10","3","9","1") = "9"
    & skf18("6","1","4","10","3","10","1") = "9"
    & skf18("6","1","4","10","4","1","1") = "9"
    & skf18("6","1","4","10","4","2","1") = "9"
    & skf18("6","1","4","10","4","3","1") = "9"
    & skf18("6","1","4","10","4","4","1") = "9"
    & skf18("6","1","4","10","4","5","1") = "9"
    & skf18("6","1","4","10","4","6","1") = "9"
    & skf18("6","1","4","10","4","7","1") = "9"
    & skf18("6","1","4","10","4","8","1") = "9"
    & skf18("6","1","4","10","4","9","1") = "9"
    & skf18("6","1","4","10","4","10","1") = "9"
    & skf18("6","1","4","10","5","1","1") = "9"
    & skf18("6","1","4","10","5","2","1") = "9"
    & skf18("6","1","4","10","5","3","1") = "9"
    & skf18("6","1","4","10","5","4","1") = "9"
    & skf18("6","1","4","10","5","5","1") = "9"
    & skf18("6","1","4","10","5","6","1") = "9"
    & skf18("6","1","4","10","5","7","1") = "9"
    & skf18("6","1","4","10","5","8","1") = "9"
    & skf18("6","1","4","10","5","9","1") = "9"
    & skf18("6","1","4","10","5","10","1") = "9"
    & skf18("6","1","4","10","6","1","1") = "9"
    & skf18("6","1","4","10","6","2","1") = "9"
    & skf18("6","1","4","10","6","3","1") = "9"
    & skf18("6","1","4","10","6","4","1") = "9"
    & skf18("6","1","4","10","6","5","1") = "9"
    & skf18("6","1","4","10","6","6","1") = "9"
    & skf18("6","1","4","10","6","7","1") = "9"
    & skf18("6","1","4","10","6","8","1") = "9"
    & skf18("6","1","4","10","6","9","1") = "9"
    & skf18("6","1","4","10","6","10","1") = "9"
    & skf18("6","1","4","10","7","1","1") = "9"
    & skf18("6","1","4","10","7","2","1") = "9"
    & skf18("6","1","4","10","7","3","1") = "9"
    & skf18("6","1","4","10","7","4","1") = "9"
    & skf18("6","1","4","10","7","5","1") = "9"
    & skf18("6","1","4","10","7","6","1") = "9"
    & skf18("6","1","4","10","7","7","1") = "9"
    & skf18("6","1","4","10","7","8","1") = "9"
    & skf18("6","1","4","10","7","9","1") = "9"
    & skf18("6","1","4","10","7","10","1") = "9"
    & skf18("6","1","4","10","8","1","1") = "9"
    & skf18("6","1","4","10","8","2","1") = "9"
    & skf18("6","1","4","10","8","3","1") = "9"
    & skf18("6","1","4","10","8","4","1") = "9"
    & skf18("6","1","4","10","8","5","1") = "9"
    & skf18("6","1","4","10","8","6","1") = "9"
    & skf18("6","1","4","10","8","7","1") = "9"
    & skf18("6","1","4","10","8","8","1") = "9"
    & skf18("6","1","4","10","8","9","1") = "9"
    & skf18("6","1","4","10","8","10","1") = "9"
    & skf18("6","1","4","10","9","1","1") = "9"
    & skf18("6","1","4","10","9","2","1") = "9"
    & skf18("6","1","4","10","9","3","1") = "9"
    & skf18("6","1","4","10","9","4","1") = "9"
    & skf18("6","1","4","10","9","5","1") = "9"
    & skf18("6","1","4","10","9","6","1") = "9"
    & skf18("6","1","4","10","9","7","1") = "9"
    & skf18("6","1","4","10","9","8","1") = "9"
    & skf18("6","1","4","10","9","9","1") = "9"
    & skf18("6","1","4","10","9","10","1") = "9"
    & skf18("6","1","4","10","10","1","1") = "9"
    & skf18("6","1","4","10","10","2","1") = "9"
    & skf18("6","1","4","10","10","3","1") = "9"
    & skf18("6","1","4","10","10","4","1") = "9"
    & skf18("6","1","4","10","10","5","1") = "9"
    & skf18("6","1","4","10","10","6","1") = "9"
    & skf18("6","1","4","10","10","7","1") = "9"
    & skf18("6","1","4","10","10","8","1") = "9"
    & skf18("6","1","4","10","10","9","1") = "9"
    & skf18("6","1","4","10","10","10","1") = "9"
    & skf18("6","1","5","1","1","1","1") = "5"
    & skf18("6","1","5","1","1","2","1") = "5"
    & skf18("6","1","5","1","1","3","1") = "5"
    & skf18("6","1","5","1","1","4","1") = "5"
    & skf18("6","1","5","1","1","5","1") = "5"
    & skf18("6","1","5","1","1","6","1") = "5"
    & skf18("6","1","5","1","1","7","1") = "6"
    & skf18("6","1","5","1","1","8","1") = "7"
    & skf18("6","1","5","1","1","9","1") = "8"
    & skf18("6","1","5","1","1","10","1") = "9"
    & skf18("6","1","5","1","2","1","1") = "5"
    & skf18("6","1","5","1","2","2","1") = "5"
    & skf18("6","1","5","1","2","3","1") = "5"
    & skf18("6","1","5","1","2","4","1") = "5"
    & skf18("6","1","5","1","2","5","1") = "5"
    & skf18("6","1","5","1","2","6","1") = "5"
    & skf18("6","1","5","1","2","7","1") = "6"
    & skf18("6","1","5","1","2","8","1") = "7"
    & skf18("6","1","5","1","2","9","1") = "8"
    & skf18("6","1","5","1","2","10","1") = "9"
    & skf18("6","1","5","1","3","1","1") = "5"
    & skf18("6","1","5","1","3","2","1") = "5"
    & skf18("6","1","5","1","3","3","1") = "5"
    & skf18("6","1","5","1","3","4","1") = "5"
    & skf18("6","1","5","1","3","5","1") = "5"
    & skf18("6","1","5","1","3","6","1") = "5"
    & skf18("6","1","5","1","3","7","1") = "6"
    & skf18("6","1","5","1","3","8","1") = "7"
    & skf18("6","1","5","1","3","9","1") = "8"
    & skf18("6","1","5","1","3","10","1") = "9"
    & skf18("6","1","5","1","4","1","1") = "5"
    & skf18("6","1","5","1","4","2","1") = "5"
    & skf18("6","1","5","1","4","3","1") = "5"
    & skf18("6","1","5","1","4","4","1") = "5"
    & skf18("6","1","5","1","4","5","1") = "5"
    & skf18("6","1","5","1","4","6","1") = "5"
    & skf18("6","1","5","1","4","7","1") = "6"
    & skf18("6","1","5","1","4","8","1") = "7"
    & skf18("6","1","5","1","4","9","1") = "8"
    & skf18("6","1","5","1","4","10","1") = "9"
    & skf18("6","1","5","1","5","1","1") = "5"
    & skf18("6","1","5","1","5","2","1") = "5"
    & skf18("6","1","5","1","5","3","1") = "5"
    & skf18("6","1","5","1","5","4","1") = "5"
    & skf18("6","1","5","1","5","5","1") = "5"
    & skf18("6","1","5","1","5","6","1") = "5"
    & skf18("6","1","5","1","5","7","1") = "6"
    & skf18("6","1","5","1","5","8","1") = "7"
    & skf18("6","1","5","1","5","9","1") = "8"
    & skf18("6","1","5","1","5","10","1") = "9"
    & skf18("6","1","5","1","6","1","1") = "5"
    & skf18("6","1","5","1","6","2","1") = "5"
    & skf18("6","1","5","1","6","3","1") = "5"
    & skf18("6","1","5","1","6","4","1") = "5"
    & skf18("6","1","5","1","6","5","1") = "5"
    & skf18("6","1","5","1","6","6","1") = "5"
    & skf18("6","1","5","1","6","7","1") = "6"
    & skf18("6","1","5","1","6","8","1") = "7"
    & skf18("6","1","5","1","6","9","1") = "8"
    & skf18("6","1","5","1","6","10","1") = "9"
    & skf18("6","1","5","1","7","1","1") = "6"
    & skf18("6","1","5","1","7","2","1") = "6"
    & skf18("6","1","5","1","7","3","1") = "6"
    & skf18("6","1","5","1","7","4","1") = "6"
    & skf18("6","1","5","1","7","5","1") = "6"
    & skf18("6","1","5","1","7","6","1") = "6"
    & skf18("6","1","5","1","7","7","1") = "6"
    & skf18("6","1","5","1","7","8","1") = "7"
    & skf18("6","1","5","1","7","9","1") = "8"
    & skf18("6","1","5","1","7","10","1") = "9"
    & skf18("6","1","5","1","8","1","1") = "7"
    & skf18("6","1","5","1","8","2","1") = "7"
    & skf18("6","1","5","1","8","3","1") = "7"
    & skf18("6","1","5","1","8","4","1") = "7"
    & skf18("6","1","5","1","8","5","1") = "7"
    & skf18("6","1","5","1","8","6","1") = "7"
    & skf18("6","1","5","1","8","7","1") = "7"
    & skf18("6","1","5","1","8","8","1") = "7"
    & skf18("6","1","5","1","8","9","1") = "8"
    & skf18("6","1","5","1","8","10","1") = "9"
    & skf18("6","1","5","1","9","1","1") = "8"
    & skf18("6","1","5","1","9","2","1") = "8"
    & skf18("6","1","5","1","9","3","1") = "8"
    & skf18("6","1","5","1","9","4","1") = "8"
    & skf18("6","1","5","1","9","5","1") = "8"
    & skf18("6","1","5","1","9","6","1") = "8"
    & skf18("6","1","5","1","9","7","1") = "8"
    & skf18("6","1","5","1","9","8","1") = "8"
    & skf18("6","1","5","1","9","9","1") = "8"
    & skf18("6","1","5","1","9","10","1") = "9"
    & skf18("6","1","5","1","10","1","1") = "9"
    & skf18("6","1","5","1","10","2","1") = "9"
    & skf18("6","1","5","1","10","3","1") = "9"
    & skf18("6","1","5","1","10","4","1") = "9"
    & skf18("6","1","5","1","10","5","1") = "9"
    & skf18("6","1","5","1","10","6","1") = "9"
    & skf18("6","1","5","1","10","7","1") = "9"
    & skf18("6","1","5","1","10","8","1") = "9"
    & skf18("6","1","5","1","10","9","1") = "9"
    & skf18("6","1","5","1","10","10","1") = "9"
    & skf18("6","1","5","2","1","1","1") = "5"
    & skf18("6","1","5","2","1","2","1") = "5"
    & skf18("6","1","5","2","1","3","1") = "5"
    & skf18("6","1","5","2","1","4","1") = "5"
    & skf18("6","1","5","2","1","5","1") = "5"
    & skf18("6","1","5","2","1","6","1") = "5"
    & skf18("6","1","5","2","1","7","1") = "6"
    & skf18("6","1","5","2","1","8","1") = "7"
    & skf18("6","1","5","2","1","9","1") = "8"
    & skf18("6","1","5","2","1","10","1") = "9"
    & skf18("6","1","5","2","2","1","1") = "5"
    & skf18("6","1","5","2","2","2","1") = "5"
    & skf18("6","1","5","2","2","3","1") = "5"
    & skf18("6","1","5","2","2","4","1") = "5"
    & skf18("6","1","5","2","2","5","1") = "5"
    & skf18("6","1","5","2","2","6","1") = "5"
    & skf18("6","1","5","2","2","7","1") = "6"
    & skf18("6","1","5","2","2","8","1") = "7"
    & skf18("6","1","5","2","2","9","1") = "8"
    & skf18("6","1","5","2","2","10","1") = "9"
    & skf18("6","1","5","2","3","1","1") = "5"
    & skf18("6","1","5","2","3","2","1") = "5"
    & skf18("6","1","5","2","3","3","1") = "5"
    & skf18("6","1","5","2","3","4","1") = "5"
    & skf18("6","1","5","2","3","5","1") = "5"
    & skf18("6","1","5","2","3","6","1") = "5"
    & skf18("6","1","5","2","3","7","1") = "6"
    & skf18("6","1","5","2","3","8","1") = "7"
    & skf18("6","1","5","2","3","9","1") = "8"
    & skf18("6","1","5","2","3","10","1") = "9"
    & skf18("6","1","5","2","4","1","1") = "5"
    & skf18("6","1","5","2","4","2","1") = "5"
    & skf18("6","1","5","2","4","3","1") = "5"
    & skf18("6","1","5","2","4","4","1") = "5"
    & skf18("6","1","5","2","4","5","1") = "5"
    & skf18("6","1","5","2","4","6","1") = "5"
    & skf18("6","1","5","2","4","7","1") = "6"
    & skf18("6","1","5","2","4","8","1") = "7"
    & skf18("6","1","5","2","4","9","1") = "8"
    & skf18("6","1","5","2","4","10","1") = "9"
    & skf18("6","1","5","2","5","1","1") = "5"
    & skf18("6","1","5","2","5","2","1") = "5"
    & skf18("6","1","5","2","5","3","1") = "5"
    & skf18("6","1","5","2","5","4","1") = "5"
    & skf18("6","1","5","2","5","5","1") = "5"
    & skf18("6","1","5","2","5","6","1") = "5"
    & skf18("6","1","5","2","5","7","1") = "6"
    & skf18("6","1","5","2","5","8","1") = "7"
    & skf18("6","1","5","2","5","9","1") = "8"
    & skf18("6","1","5","2","5","10","1") = "9"
    & skf18("6","1","5","2","6","1","1") = "5"
    & skf18("6","1","5","2","6","2","1") = "5"
    & skf18("6","1","5","2","6","3","1") = "5"
    & skf18("6","1","5","2","6","4","1") = "5"
    & skf18("6","1","5","2","6","5","1") = "5"
    & skf18("6","1","5","2","6","6","1") = "5"
    & skf18("6","1","5","2","6","7","1") = "6"
    & skf18("6","1","5","2","6","8","1") = "7"
    & skf18("6","1","5","2","6","9","1") = "8"
    & skf18("6","1","5","2","6","10","1") = "9"
    & skf18("6","1","5","2","7","1","1") = "6"
    & skf18("6","1","5","2","7","2","1") = "6"
    & skf18("6","1","5","2","7","3","1") = "6"
    & skf18("6","1","5","2","7","4","1") = "6"
    & skf18("6","1","5","2","7","5","1") = "6"
    & skf18("6","1","5","2","7","6","1") = "6"
    & skf18("6","1","5","2","7","7","1") = "6"
    & skf18("6","1","5","2","7","8","1") = "7"
    & skf18("6","1","5","2","7","9","1") = "8"
    & skf18("6","1","5","2","7","10","1") = "9"
    & skf18("6","1","5","2","8","1","1") = "7"
    & skf18("6","1","5","2","8","2","1") = "7"
    & skf18("6","1","5","2","8","3","1") = "7"
    & skf18("6","1","5","2","8","4","1") = "7"
    & skf18("6","1","5","2","8","5","1") = "7"
    & skf18("6","1","5","2","8","6","1") = "7"
    & skf18("6","1","5","2","8","7","1") = "7"
    & skf18("6","1","5","2","8","8","1") = "7"
    & skf18("6","1","5","2","8","9","1") = "8"
    & skf18("6","1","5","2","8","10","1") = "9"
    & skf18("6","1","5","2","9","1","1") = "8"
    & skf18("6","1","5","2","9","2","1") = "8"
    & skf18("6","1","5","2","9","3","1") = "8"
    & skf18("6","1","5","2","9","4","1") = "8"
    & skf18("6","1","5","2","9","5","1") = "8"
    & skf18("6","1","5","2","9","6","1") = "8"
    & skf18("6","1","5","2","9","7","1") = "8"
    & skf18("6","1","5","2","9","8","1") = "8"
    & skf18("6","1","5","2","9","9","1") = "8"
    & skf18("6","1","5","2","9","10","1") = "9"
    & skf18("6","1","5","2","10","1","1") = "9"
    & skf18("6","1","5","2","10","2","1") = "9"
    & skf18("6","1","5","2","10","3","1") = "9"
    & skf18("6","1","5","2","10","4","1") = "9"
    & skf18("6","1","5","2","10","5","1") = "9"
    & skf18("6","1","5","2","10","6","1") = "9"
    & skf18("6","1","5","2","10","7","1") = "9"
    & skf18("6","1","5","2","10","8","1") = "9"
    & skf18("6","1","5","2","10","9","1") = "9"
    & skf18("6","1","5","2","10","10","1") = "9"
    & skf18("6","1","5","3","1","1","1") = "5"
    & skf18("6","1","5","3","1","2","1") = "5"
    & skf18("6","1","5","3","1","3","1") = "5"
    & skf18("6","1","5","3","1","4","1") = "5"
    & skf18("6","1","5","3","1","5","1") = "5"
    & skf18("6","1","5","3","1","6","1") = "5"
    & skf18("6","1","5","3","1","7","1") = "6"
    & skf18("6","1","5","3","1","8","1") = "7"
    & skf18("6","1","5","3","1","9","1") = "8"
    & skf18("6","1","5","3","1","10","1") = "9"
    & skf18("6","1","5","3","2","1","1") = "5"
    & skf18("6","1","5","3","2","2","1") = "5"
    & skf18("6","1","5","3","2","3","1") = "5"
    & skf18("6","1","5","3","2","4","1") = "5"
    & skf18("6","1","5","3","2","5","1") = "5"
    & skf18("6","1","5","3","2","6","1") = "5"
    & skf18("6","1","5","3","2","7","1") = "6"
    & skf18("6","1","5","3","2","8","1") = "7"
    & skf18("6","1","5","3","2","9","1") = "8"
    & skf18("6","1","5","3","2","10","1") = "9"
    & skf18("6","1","5","3","3","1","1") = "5"
    & skf18("6","1","5","3","3","2","1") = "5"
    & skf18("6","1","5","3","3","3","1") = "5"
    & skf18("6","1","5","3","3","4","1") = "5"
    & skf18("6","1","5","3","3","5","1") = "5"
    & skf18("6","1","5","3","3","6","1") = "5"
    & skf18("6","1","5","3","3","7","1") = "6"
    & skf18("6","1","5","3","3","8","1") = "7"
    & skf18("6","1","5","3","3","9","1") = "8"
    & skf18("6","1","5","3","3","10","1") = "9"
    & skf18("6","1","5","3","4","1","1") = "5"
    & skf18("6","1","5","3","4","2","1") = "5"
    & skf18("6","1","5","3","4","3","1") = "5"
    & skf18("6","1","5","3","4","4","1") = "5"
    & skf18("6","1","5","3","4","5","1") = "5"
    & skf18("6","1","5","3","4","6","1") = "5"
    & skf18("6","1","5","3","4","7","1") = "6"
    & skf18("6","1","5","3","4","8","1") = "7"
    & skf18("6","1","5","3","4","9","1") = "8"
    & skf18("6","1","5","3","4","10","1") = "9"
    & skf18("6","1","5","3","5","1","1") = "5"
    & skf18("6","1","5","3","5","2","1") = "5"
    & skf18("6","1","5","3","5","3","1") = "5"
    & skf18("6","1","5","3","5","4","1") = "5"
    & skf18("6","1","5","3","5","5","1") = "5"
    & skf18("6","1","5","3","5","6","1") = "5"
    & skf18("6","1","5","3","5","7","1") = "6"
    & skf18("6","1","5","3","5","8","1") = "7"
    & skf18("6","1","5","3","5","9","1") = "8"
    & skf18("6","1","5","3","5","10","1") = "9"
    & skf18("6","1","5","3","6","1","1") = "5"
    & skf18("6","1","5","3","6","2","1") = "5"
    & skf18("6","1","5","3","6","3","1") = "5"
    & skf18("6","1","5","3","6","4","1") = "5"
    & skf18("6","1","5","3","6","5","1") = "5"
    & skf18("6","1","5","3","6","6","1") = "5"
    & skf18("6","1","5","3","6","7","1") = "6"
    & skf18("6","1","5","3","6","8","1") = "7"
    & skf18("6","1","5","3","6","9","1") = "8"
    & skf18("6","1","5","3","6","10","1") = "9"
    & skf18("6","1","5","3","7","1","1") = "6"
    & skf18("6","1","5","3","7","2","1") = "6"
    & skf18("6","1","5","3","7","3","1") = "6"
    & skf18("6","1","5","3","7","4","1") = "6"
    & skf18("6","1","5","3","7","5","1") = "6"
    & skf18("6","1","5","3","7","6","1") = "6"
    & skf18("6","1","5","3","7","7","1") = "6"
    & skf18("6","1","5","3","7","8","1") = "7"
    & skf18("6","1","5","3","7","9","1") = "8"
    & skf18("6","1","5","3","7","10","1") = "9"
    & skf18("6","1","5","3","8","1","1") = "7"
    & skf18("6","1","5","3","8","2","1") = "7"
    & skf18("6","1","5","3","8","3","1") = "7"
    & skf18("6","1","5","3","8","4","1") = "7"
    & skf18("6","1","5","3","8","5","1") = "7"
    & skf18("6","1","5","3","8","6","1") = "7"
    & skf18("6","1","5","3","8","7","1") = "7"
    & skf18("6","1","5","3","8","8","1") = "7"
    & skf18("6","1","5","3","8","9","1") = "8"
    & skf18("6","1","5","3","8","10","1") = "9"
    & skf18("6","1","5","3","9","1","1") = "8"
    & skf18("6","1","5","3","9","2","1") = "8"
    & skf18("6","1","5","3","9","3","1") = "8"
    & skf18("6","1","5","3","9","4","1") = "8"
    & skf18("6","1","5","3","9","5","1") = "8"
    & skf18("6","1","5","3","9","6","1") = "8"
    & skf18("6","1","5","3","9","7","1") = "8"
    & skf18("6","1","5","3","9","8","1") = "8"
    & skf18("6","1","5","3","9","9","1") = "8"
    & skf18("6","1","5","3","9","10","1") = "9"
    & skf18("6","1","5","3","10","1","1") = "9"
    & skf18("6","1","5","3","10","2","1") = "9"
    & skf18("6","1","5","3","10","3","1") = "9"
    & skf18("6","1","5","3","10","4","1") = "9"
    & skf18("6","1","5","3","10","5","1") = "9"
    & skf18("6","1","5","3","10","6","1") = "9"
    & skf18("6","1","5","3","10","7","1") = "9"
    & skf18("6","1","5","3","10","8","1") = "9"
    & skf18("6","1","5","3","10","9","1") = "9"
    & skf18("6","1","5","3","10","10","1") = "9"
    & skf18("6","1","5","4","1","1","1") = "5"
    & skf18("6","1","5","4","1","2","1") = "5"
    & skf18("6","1","5","4","1","3","1") = "5"
    & skf18("6","1","5","4","1","4","1") = "5"
    & skf18("6","1","5","4","1","5","1") = "5"
    & skf18("6","1","5","4","1","6","1") = "5"
    & skf18("6","1","5","4","1","7","1") = "6"
    & skf18("6","1","5","4","1","8","1") = "7"
    & skf18("6","1","5","4","1","9","1") = "8"
    & skf18("6","1","5","4","1","10","1") = "9"
    & skf18("6","1","5","4","2","1","1") = "5"
    & skf18("6","1","5","4","2","2","1") = "5"
    & skf18("6","1","5","4","2","3","1") = "5"
    & skf18("6","1","5","4","2","4","1") = "5"
    & skf18("6","1","5","4","2","5","1") = "5"
    & skf18("6","1","5","4","2","6","1") = "5"
    & skf18("6","1","5","4","2","7","1") = "6"
    & skf18("6","1","5","4","2","8","1") = "7"
    & skf18("6","1","5","4","2","9","1") = "8"
    & skf18("6","1","5","4","2","10","1") = "9"
    & skf18("6","1","5","4","3","1","1") = "5"
    & skf18("6","1","5","4","3","2","1") = "5"
    & skf18("6","1","5","4","3","3","1") = "5"
    & skf18("6","1","5","4","3","4","1") = "5"
    & skf18("6","1","5","4","3","5","1") = "5"
    & skf18("6","1","5","4","3","6","1") = "5"
    & skf18("6","1","5","4","3","7","1") = "6"
    & skf18("6","1","5","4","3","8","1") = "7"
    & skf18("6","1","5","4","3","9","1") = "8"
    & skf18("6","1","5","4","3","10","1") = "9"
    & skf18("6","1","5","4","4","1","1") = "5"
    & skf18("6","1","5","4","4","2","1") = "5"
    & skf18("6","1","5","4","4","3","1") = "5"
    & skf18("6","1","5","4","4","4","1") = "5"
    & skf18("6","1","5","4","4","5","1") = "5"
    & skf18("6","1","5","4","4","6","1") = "5"
    & skf18("6","1","5","4","4","7","1") = "6"
    & skf18("6","1","5","4","4","8","1") = "7"
    & skf18("6","1","5","4","4","9","1") = "8"
    & skf18("6","1","5","4","4","10","1") = "9"
    & skf18("6","1","5","4","5","1","1") = "5"
    & skf18("6","1","5","4","5","2","1") = "5"
    & skf18("6","1","5","4","5","3","1") = "5"
    & skf18("6","1","5","4","5","4","1") = "5"
    & skf18("6","1","5","4","5","5","1") = "5"
    & skf18("6","1","5","4","5","6","1") = "5"
    & skf18("6","1","5","4","5","7","1") = "6"
    & skf18("6","1","5","4","5","8","1") = "7"
    & skf18("6","1","5","4","5","9","1") = "8"
    & skf18("6","1","5","4","5","10","1") = "9"
    & skf18("6","1","5","4","6","1","1") = "5"
    & skf18("6","1","5","4","6","2","1") = "5"
    & skf18("6","1","5","4","6","3","1") = "5"
    & skf18("6","1","5","4","6","4","1") = "5"
    & skf18("6","1","5","4","6","5","1") = "5"
    & skf18("6","1","5","4","6","6","1") = "5"
    & skf18("6","1","5","4","6","7","1") = "6"
    & skf18("6","1","5","4","6","8","1") = "7"
    & skf18("6","1","5","4","6","9","1") = "8"
    & skf18("6","1","5","4","6","10","1") = "9"
    & skf18("6","1","5","4","7","1","1") = "6"
    & skf18("6","1","5","4","7","2","1") = "6"
    & skf18("6","1","5","4","7","3","1") = "6"
    & skf18("6","1","5","4","7","4","1") = "6"
    & skf18("6","1","5","4","7","5","1") = "6"
    & skf18("6","1","5","4","7","6","1") = "6"
    & skf18("6","1","5","4","7","7","1") = "6"
    & skf18("6","1","5","4","7","8","1") = "7"
    & skf18("6","1","5","4","7","9","1") = "8"
    & skf18("6","1","5","4","7","10","1") = "9"
    & skf18("6","1","5","4","8","1","1") = "7"
    & skf18("6","1","5","4","8","2","1") = "7"
    & skf18("6","1","5","4","8","3","1") = "7"
    & skf18("6","1","5","4","8","4","1") = "7"
    & skf18("6","1","5","4","8","5","1") = "7"
    & skf18("6","1","5","4","8","6","1") = "7"
    & skf18("6","1","5","4","8","7","1") = "7"
    & skf18("6","1","5","4","8","8","1") = "7"
    & skf18("6","1","5","4","8","9","1") = "8"
    & skf18("6","1","5","4","8","10","1") = "9"
    & skf18("6","1","5","4","9","1","1") = "8"
    & skf18("6","1","5","4","9","2","1") = "8"
    & skf18("6","1","5","4","9","3","1") = "8"
    & skf18("6","1","5","4","9","4","1") = "8"
    & skf18("6","1","5","4","9","5","1") = "8"
    & skf18("6","1","5","4","9","6","1") = "8"
    & skf18("6","1","5","4","9","7","1") = "8"
    & skf18("6","1","5","4","9","8","1") = "8"
    & skf18("6","1","5","4","9","9","1") = "8"
    & skf18("6","1","5","4","9","10","1") = "9"
    & skf18("6","1","5","4","10","1","1") = "9"
    & skf18("6","1","5","4","10","2","1") = "9"
    & skf18("6","1","5","4","10","3","1") = "9"
    & skf18("6","1","5","4","10","4","1") = "9"
    & skf18("6","1","5","4","10","5","1") = "9"
    & skf18("6","1","5","4","10","6","1") = "9"
    & skf18("6","1","5","4","10","7","1") = "9"
    & skf18("6","1","5","4","10","8","1") = "9"
    & skf18("6","1","5","4","10","9","1") = "9"
    & skf18("6","1","5","4","10","10","1") = "9"
    & skf18("6","1","5","5","1","1","1") = "5"
    & skf18("6","1","5","5","1","2","1") = "5"
    & skf18("6","1","5","5","1","3","1") = "5"
    & skf18("6","1","5","5","1","4","1") = "5"
    & skf18("6","1","5","5","1","5","1") = "5"
    & skf18("6","1","5","5","1","6","1") = "5"
    & skf18("6","1","5","5","1","7","1") = "6"
    & skf18("6","1","5","5","1","8","1") = "7"
    & skf18("6","1","5","5","1","9","1") = "8"
    & skf18("6","1","5","5","1","10","1") = "9"
    & skf18("6","1","5","5","2","1","1") = "5"
    & skf18("6","1","5","5","2","2","1") = "5"
    & skf18("6","1","5","5","2","3","1") = "5"
    & skf18("6","1","5","5","2","4","1") = "5"
    & skf18("6","1","5","5","2","5","1") = "5"
    & skf18("6","1","5","5","2","6","1") = "5"
    & skf18("6","1","5","5","2","7","1") = "6"
    & skf18("6","1","5","5","2","8","1") = "7"
    & skf18("6","1","5","5","2","9","1") = "8"
    & skf18("6","1","5","5","2","10","1") = "9"
    & skf18("6","1","5","5","3","1","1") = "5"
    & skf18("6","1","5","5","3","2","1") = "5"
    & skf18("6","1","5","5","3","3","1") = "5"
    & skf18("6","1","5","5","3","4","1") = "5"
    & skf18("6","1","5","5","3","5","1") = "5"
    & skf18("6","1","5","5","3","6","1") = "5"
    & skf18("6","1","5","5","3","7","1") = "6"
    & skf18("6","1","5","5","3","8","1") = "7"
    & skf18("6","1","5","5","3","9","1") = "8"
    & skf18("6","1","5","5","3","10","1") = "9"
    & skf18("6","1","5","5","4","1","1") = "5"
    & skf18("6","1","5","5","4","2","1") = "5"
    & skf18("6","1","5","5","4","3","1") = "5"
    & skf18("6","1","5","5","4","4","1") = "5"
    & skf18("6","1","5","5","4","5","1") = "5"
    & skf18("6","1","5","5","4","6","1") = "5"
    & skf18("6","1","5","5","4","7","1") = "6"
    & skf18("6","1","5","5","4","8","1") = "7"
    & skf18("6","1","5","5","4","9","1") = "8"
    & skf18("6","1","5","5","4","10","1") = "9"
    & skf18("6","1","5","5","5","1","1") = "5"
    & skf18("6","1","5","5","5","2","1") = "5"
    & skf18("6","1","5","5","5","3","1") = "5"
    & skf18("6","1","5","5","5","4","1") = "5"
    & skf18("6","1","5","5","5","5","1") = "5"
    & skf18("6","1","5","5","5","6","1") = "5"
    & skf18("6","1","5","5","5","7","1") = "6"
    & skf18("6","1","5","5","5","8","1") = "7"
    & skf18("6","1","5","5","5","9","1") = "8"
    & skf18("6","1","5","5","5","10","1") = "9"
    & skf18("6","1","5","5","6","1","1") = "5"
    & skf18("6","1","5","5","6","2","1") = "5"
    & skf18("6","1","5","5","6","3","1") = "5"
    & skf18("6","1","5","5","6","4","1") = "5"
    & skf18("6","1","5","5","6","5","1") = "5"
    & skf18("6","1","5","5","6","6","1") = "5"
    & skf18("6","1","5","5","6","7","1") = "6"
    & skf18("6","1","5","5","6","8","1") = "7"
    & skf18("6","1","5","5","6","9","1") = "8"
    & skf18("6","1","5","5","6","10","1") = "9"
    & skf18("6","1","5","5","7","1","1") = "6"
    & skf18("6","1","5","5","7","2","1") = "6"
    & skf18("6","1","5","5","7","3","1") = "6"
    & skf18("6","1","5","5","7","4","1") = "6"
    & skf18("6","1","5","5","7","5","1") = "6"
    & skf18("6","1","5","5","7","6","1") = "6"
    & skf18("6","1","5","5","7","7","1") = "6"
    & skf18("6","1","5","5","7","8","1") = "7"
    & skf18("6","1","5","5","7","9","1") = "8"
    & skf18("6","1","5","5","7","10","1") = "9"
    & skf18("6","1","5","5","8","1","1") = "7"
    & skf18("6","1","5","5","8","2","1") = "7"
    & skf18("6","1","5","5","8","3","1") = "7"
    & skf18("6","1","5","5","8","4","1") = "7"
    & skf18("6","1","5","5","8","5","1") = "7"
    & skf18("6","1","5","5","8","6","1") = "7"
    & skf18("6","1","5","5","8","7","1") = "7"
    & skf18("6","1","5","5","8","8","1") = "7"
    & skf18("6","1","5","5","8","9","1") = "8"
    & skf18("6","1","5","5","8","10","1") = "9"
    & skf18("6","1","5","5","9","1","1") = "8"
    & skf18("6","1","5","5","9","2","1") = "8"
    & skf18("6","1","5","5","9","3","1") = "8"
    & skf18("6","1","5","5","9","4","1") = "8"
    & skf18("6","1","5","5","9","5","1") = "8"
    & skf18("6","1","5","5","9","6","1") = "8"
    & skf18("6","1","5","5","9","7","1") = "8"
    & skf18("6","1","5","5","9","8","1") = "8"
    & skf18("6","1","5","5","9","9","1") = "8"
    & skf18("6","1","5","5","9","10","1") = "9"
    & skf18("6","1","5","5","10","1","1") = "9"
    & skf18("6","1","5","5","10","2","1") = "9"
    & skf18("6","1","5","5","10","3","1") = "9"
    & skf18("6","1","5","5","10","4","1") = "9"
    & skf18("6","1","5","5","10","5","1") = "9"
    & skf18("6","1","5","5","10","6","1") = "9"
    & skf18("6","1","5","5","10","7","1") = "9"
    & skf18("6","1","5","5","10","8","1") = "9"
    & skf18("6","1","5","5","10","9","1") = "9"
    & skf18("6","1","5","5","10","10","1") = "9"
    & skf18("6","1","5","6","1","1","1") = "5"
    & skf18("6","1","5","6","1","2","1") = "5"
    & skf18("6","1","5","6","1","3","1") = "5"
    & skf18("6","1","5","6","1","4","1") = "5"
    & skf18("6","1","5","6","1","5","1") = "5"
    & skf18("6","1","5","6","1","6","1") = "5"
    & skf18("6","1","5","6","1","7","1") = "6"
    & skf18("6","1","5","6","1","8","1") = "7"
    & skf18("6","1","5","6","1","9","1") = "8"
    & skf18("6","1","5","6","1","10","1") = "9"
    & skf18("6","1","5","6","2","1","1") = "5"
    & skf18("6","1","5","6","2","2","1") = "5"
    & skf18("6","1","5","6","2","3","1") = "5"
    & skf18("6","1","5","6","2","4","1") = "5"
    & skf18("6","1","5","6","2","5","1") = "5"
    & skf18("6","1","5","6","2","6","1") = "5"
    & skf18("6","1","5","6","2","7","1") = "6"
    & skf18("6","1","5","6","2","8","1") = "7"
    & skf18("6","1","5","6","2","9","1") = "8"
    & skf18("6","1","5","6","2","10","1") = "9"
    & skf18("6","1","5","6","3","1","1") = "5"
    & skf18("6","1","5","6","3","2","1") = "5"
    & skf18("6","1","5","6","3","3","1") = "5"
    & skf18("6","1","5","6","3","4","1") = "5"
    & skf18("6","1","5","6","3","5","1") = "5"
    & skf18("6","1","5","6","3","6","1") = "5"
    & skf18("6","1","5","6","3","7","1") = "6"
    & skf18("6","1","5","6","3","8","1") = "7"
    & skf18("6","1","5","6","3","9","1") = "8"
    & skf18("6","1","5","6","3","10","1") = "9"
    & skf18("6","1","5","6","4","1","1") = "5"
    & skf18("6","1","5","6","4","2","1") = "5"
    & skf18("6","1","5","6","4","3","1") = "5"
    & skf18("6","1","5","6","4","4","1") = "5"
    & skf18("6","1","5","6","4","5","1") = "5"
    & skf18("6","1","5","6","4","6","1") = "5"
    & skf18("6","1","5","6","4","7","1") = "6"
    & skf18("6","1","5","6","4","8","1") = "7"
    & skf18("6","1","5","6","4","9","1") = "8"
    & skf18("6","1","5","6","4","10","1") = "9"
    & skf18("6","1","5","6","5","1","1") = "5"
    & skf18("6","1","5","6","5","2","1") = "5"
    & skf18("6","1","5","6","5","3","1") = "5"
    & skf18("6","1","5","6","5","4","1") = "5"
    & skf18("6","1","5","6","5","5","1") = "5"
    & skf18("6","1","5","6","5","6","1") = "5"
    & skf18("6","1","5","6","5","7","1") = "6"
    & skf18("6","1","5","6","5","8","1") = "7"
    & skf18("6","1","5","6","5","9","1") = "8"
    & skf18("6","1","5","6","5","10","1") = "9"
    & skf18("6","1","5","6","6","1","1") = "5"
    & skf18("6","1","5","6","6","2","1") = "5"
    & skf18("6","1","5","6","6","3","1") = "5"
    & skf18("6","1","5","6","6","4","1") = "5"
    & skf18("6","1","5","6","6","5","1") = "5"
    & skf18("6","1","5","6","6","6","1") = "5"
    & skf18("6","1","5","6","6","7","1") = "6"
    & skf18("6","1","5","6","6","8","1") = "7"
    & skf18("6","1","5","6","6","9","1") = "8"
    & skf18("6","1","5","6","6","10","1") = "9"
    & skf18("6","1","5","6","7","1","1") = "6"
    & skf18("6","1","5","6","7","2","1") = "6"
    & skf18("6","1","5","6","7","3","1") = "6"
    & skf18("6","1","5","6","7","4","1") = "6"
    & skf18("6","1","5","6","7","5","1") = "6"
    & skf18("6","1","5","6","7","6","1") = "6"
    & skf18("6","1","5","6","7","7","1") = "6"
    & skf18("6","1","5","6","7","8","1") = "7"
    & skf18("6","1","5","6","7","9","1") = "8"
    & skf18("6","1","5","6","7","10","1") = "9"
    & skf18("6","1","5","6","8","1","1") = "7"
    & skf18("6","1","5","6","8","2","1") = "7"
    & skf18("6","1","5","6","8","3","1") = "7"
    & skf18("6","1","5","6","8","4","1") = "7"
    & skf18("6","1","5","6","8","5","1") = "7"
    & skf18("6","1","5","6","8","6","1") = "7"
    & skf18("6","1","5","6","8","7","1") = "7"
    & skf18("6","1","5","6","8","8","1") = "7"
    & skf18("6","1","5","6","8","9","1") = "8"
    & skf18("6","1","5","6","8","10","1") = "9"
    & skf18("6","1","5","6","9","1","1") = "8"
    & skf18("6","1","5","6","9","2","1") = "8"
    & skf18("6","1","5","6","9","3","1") = "8"
    & skf18("6","1","5","6","9","4","1") = "8"
    & skf18("6","1","5","6","9","5","1") = "8"
    & skf18("6","1","5","6","9","6","1") = "8"
    & skf18("6","1","5","6","9","7","1") = "8"
    & skf18("6","1","5","6","9","8","1") = "8"
    & skf18("6","1","5","6","9","9","1") = "8"
    & skf18("6","1","5","6","9","10","1") = "9"
    & skf18("6","1","5","6","10","1","1") = "9"
    & skf18("6","1","5","6","10","2","1") = "9"
    & skf18("6","1","5","6","10","3","1") = "9"
    & skf18("6","1","5","6","10","4","1") = "9"
    & skf18("6","1","5","6","10","5","1") = "9"
    & skf18("6","1","5","6","10","6","1") = "9"
    & skf18("6","1","5","6","10","7","1") = "9"
    & skf18("6","1","5","6","10","8","1") = "9"
    & skf18("6","1","5","6","10","9","1") = "9"
    & skf18("6","1","5","6","10","10","1") = "9"
    & skf18("6","1","5","7","1","1","1") = "6"
    & skf18("6","1","5","7","1","2","1") = "6"
    & skf18("6","1","5","7","1","3","1") = "6"
    & skf18("6","1","5","7","1","4","1") = "6"
    & skf18("6","1","5","7","1","5","1") = "6"
    & skf18("6","1","5","7","1","6","1") = "6"
    & skf18("6","1","5","7","1","7","1") = "6"
    & skf18("6","1","5","7","1","8","1") = "7"
    & skf18("6","1","5","7","1","9","1") = "8"
    & skf18("6","1","5","7","1","10","1") = "9"
    & skf18("6","1","5","7","2","1","1") = "6"
    & skf18("6","1","5","7","2","2","1") = "6"
    & skf18("6","1","5","7","2","3","1") = "6"
    & skf18("6","1","5","7","2","4","1") = "6"
    & skf18("6","1","5","7","2","5","1") = "6"
    & skf18("6","1","5","7","2","6","1") = "6"
    & skf18("6","1","5","7","2","7","1") = "6"
    & skf18("6","1","5","7","2","8","1") = "7"
    & skf18("6","1","5","7","2","9","1") = "8"
    & skf18("6","1","5","7","2","10","1") = "9"
    & skf18("6","1","5","7","3","1","1") = "6"
    & skf18("6","1","5","7","3","2","1") = "6"
    & skf18("6","1","5","7","3","3","1") = "6"
    & skf18("6","1","5","7","3","4","1") = "6"
    & skf18("6","1","5","7","3","5","1") = "6"
    & skf18("6","1","5","7","3","6","1") = "6"
    & skf18("6","1","5","7","3","7","1") = "6"
    & skf18("6","1","5","7","3","8","1") = "7"
    & skf18("6","1","5","7","3","9","1") = "8"
    & skf18("6","1","5","7","3","10","1") = "9"
    & skf18("6","1","5","7","4","1","1") = "6"
    & skf18("6","1","5","7","4","2","1") = "6"
    & skf18("6","1","5","7","4","3","1") = "6"
    & skf18("6","1","5","7","4","4","1") = "6"
    & skf18("6","1","5","7","4","5","1") = "6"
    & skf18("6","1","5","7","4","6","1") = "6"
    & skf18("6","1","5","7","4","7","1") = "6"
    & skf18("6","1","5","7","4","8","1") = "7"
    & skf18("6","1","5","7","4","9","1") = "8"
    & skf18("6","1","5","7","4","10","1") = "9"
    & skf18("6","1","5","7","5","1","1") = "6"
    & skf18("6","1","5","7","5","2","1") = "6"
    & skf18("6","1","5","7","5","3","1") = "6"
    & skf18("6","1","5","7","5","4","1") = "6"
    & skf18("6","1","5","7","5","5","1") = "6"
    & skf18("6","1","5","7","5","6","1") = "6"
    & skf18("6","1","5","7","5","7","1") = "6"
    & skf18("6","1","5","7","5","8","1") = "7"
    & skf18("6","1","5","7","5","9","1") = "8"
    & skf18("6","1","5","7","5","10","1") = "9"
    & skf18("6","1","5","7","6","1","1") = "6"
    & skf18("6","1","5","7","6","2","1") = "6"
    & skf18("6","1","5","7","6","3","1") = "6"
    & skf18("6","1","5","7","6","4","1") = "6"
    & skf18("6","1","5","7","6","5","1") = "6"
    & skf18("6","1","5","7","6","6","1") = "6"
    & skf18("6","1","5","7","6","7","1") = "6"
    & skf18("6","1","5","7","6","8","1") = "7"
    & skf18("6","1","5","7","6","9","1") = "8"
    & skf18("6","1","5","7","6","10","1") = "9"
    & skf18("6","1","5","7","7","1","1") = "6"
    & skf18("6","1","5","7","7","2","1") = "6"
    & skf18("6","1","5","7","7","3","1") = "6"
    & skf18("6","1","5","7","7","4","1") = "6"
    & skf18("6","1","5","7","7","5","1") = "6"
    & skf18("6","1","5","7","7","6","1") = "6"
    & skf18("6","1","5","7","7","7","1") = "6"
    & skf18("6","1","5","7","7","8","1") = "7"
    & skf18("6","1","5","7","7","9","1") = "8"
    & skf18("6","1","5","7","7","10","1") = "9"
    & skf18("6","1","5","7","8","1","1") = "7"
    & skf18("6","1","5","7","8","2","1") = "7"
    & skf18("6","1","5","7","8","3","1") = "7"
    & skf18("6","1","5","7","8","4","1") = "7"
    & skf18("6","1","5","7","8","5","1") = "7"
    & skf18("6","1","5","7","8","6","1") = "7"
    & skf18("6","1","5","7","8","7","1") = "7"
    & skf18("6","1","5","7","8","8","1") = "7"
    & skf18("6","1","5","7","8","9","1") = "8"
    & skf18("6","1","5","7","8","10","1") = "9"
    & skf18("6","1","5","7","9","1","1") = "8"
    & skf18("6","1","5","7","9","2","1") = "8"
    & skf18("6","1","5","7","9","3","1") = "8"
    & skf18("6","1","5","7","9","4","1") = "8"
    & skf18("6","1","5","7","9","5","1") = "8"
    & skf18("6","1","5","7","9","6","1") = "8"
    & skf18("6","1","5","7","9","7","1") = "8"
    & skf18("6","1","5","7","9","8","1") = "8"
    & skf18("6","1","5","7","9","9","1") = "8"
    & skf18("6","1","5","7","9","10","1") = "9"
    & skf18("6","1","5","7","10","1","1") = "9"
    & skf18("6","1","5","7","10","2","1") = "9"
    & skf18("6","1","5","7","10","3","1") = "9"
    & skf18("6","1","5","7","10","4","1") = "9"
    & skf18("6","1","5","7","10","5","1") = "9"
    & skf18("6","1","5","7","10","6","1") = "9"
    & skf18("6","1","5","7","10","7","1") = "9"
    & skf18("6","1","5","7","10","8","1") = "9"
    & skf18("6","1","5","7","10","9","1") = "9"
    & skf18("6","1","5","7","10","10","1") = "9"
    & skf18("6","1","5","8","1","1","1") = "7"
    & skf18("6","1","5","8","1","2","1") = "7"
    & skf18("6","1","5","8","1","3","1") = "7"
    & skf18("6","1","5","8","1","4","1") = "7"
    & skf18("6","1","5","8","1","5","1") = "7"
    & skf18("6","1","5","8","1","6","1") = "7"
    & skf18("6","1","5","8","1","7","1") = "7"
    & skf18("6","1","5","8","1","8","1") = "7"
    & skf18("6","1","5","8","1","9","1") = "8"
    & skf18("6","1","5","8","1","10","1") = "9"
    & skf18("6","1","5","8","2","1","1") = "7"
    & skf18("6","1","5","8","2","2","1") = "7"
    & skf18("6","1","5","8","2","3","1") = "7"
    & skf18("6","1","5","8","2","4","1") = "7"
    & skf18("6","1","5","8","2","5","1") = "7"
    & skf18("6","1","5","8","2","6","1") = "7"
    & skf18("6","1","5","8","2","7","1") = "7"
    & skf18("6","1","5","8","2","8","1") = "7"
    & skf18("6","1","5","8","2","9","1") = "8"
    & skf18("6","1","5","8","2","10","1") = "9"
    & skf18("6","1","5","8","3","1","1") = "7"
    & skf18("6","1","5","8","3","2","1") = "7"
    & skf18("6","1","5","8","3","3","1") = "7"
    & skf18("6","1","5","8","3","4","1") = "7"
    & skf18("6","1","5","8","3","5","1") = "7"
    & skf18("6","1","5","8","3","6","1") = "7"
    & skf18("6","1","5","8","3","7","1") = "7"
    & skf18("6","1","5","8","3","8","1") = "7"
    & skf18("6","1","5","8","3","9","1") = "8"
    & skf18("6","1","5","8","3","10","1") = "9"
    & skf18("6","1","5","8","4","1","1") = "7"
    & skf18("6","1","5","8","4","2","1") = "7"
    & skf18("6","1","5","8","4","3","1") = "7"
    & skf18("6","1","5","8","4","4","1") = "7"
    & skf18("6","1","5","8","4","5","1") = "7"
    & skf18("6","1","5","8","4","6","1") = "7"
    & skf18("6","1","5","8","4","7","1") = "7"
    & skf18("6","1","5","8","4","8","1") = "7"
    & skf18("6","1","5","8","4","9","1") = "8"
    & skf18("6","1","5","8","4","10","1") = "9"
    & skf18("6","1","5","8","5","1","1") = "7"
    & skf18("6","1","5","8","5","2","1") = "7"
    & skf18("6","1","5","8","5","3","1") = "7"
    & skf18("6","1","5","8","5","4","1") = "7"
    & skf18("6","1","5","8","5","5","1") = "7"
    & skf18("6","1","5","8","5","6","1") = "7"
    & skf18("6","1","5","8","5","7","1") = "7"
    & skf18("6","1","5","8","5","8","1") = "7"
    & skf18("6","1","5","8","5","9","1") = "8"
    & skf18("6","1","5","8","5","10","1") = "9"
    & skf18("6","1","5","8","6","1","1") = "7"
    & skf18("6","1","5","8","6","2","1") = "7"
    & skf18("6","1","5","8","6","3","1") = "7"
    & skf18("6","1","5","8","6","4","1") = "7"
    & skf18("6","1","5","8","6","5","1") = "7"
    & skf18("6","1","5","8","6","6","1") = "7"
    & skf18("6","1","5","8","6","7","1") = "7"
    & skf18("6","1","5","8","6","8","1") = "7"
    & skf18("6","1","5","8","6","9","1") = "8"
    & skf18("6","1","5","8","6","10","1") = "9"
    & skf18("6","1","5","8","7","1","1") = "7"
    & skf18("6","1","5","8","7","2","1") = "7"
    & skf18("6","1","5","8","7","3","1") = "7"
    & skf18("6","1","5","8","7","4","1") = "7"
    & skf18("6","1","5","8","7","5","1") = "7"
    & skf18("6","1","5","8","7","6","1") = "7"
    & skf18("6","1","5","8","7","7","1") = "7"
    & skf18("6","1","5","8","7","8","1") = "7"
    & skf18("6","1","5","8","7","9","1") = "8"
    & skf18("6","1","5","8","7","10","1") = "9"
    & skf18("6","1","5","8","8","1","1") = "7"
    & skf18("6","1","5","8","8","2","1") = "7"
    & skf18("6","1","5","8","8","3","1") = "7"
    & skf18("6","1","5","8","8","4","1") = "7"
    & skf18("6","1","5","8","8","5","1") = "7"
    & skf18("6","1","5","8","8","6","1") = "7"
    & skf18("6","1","5","8","8","7","1") = "7"
    & skf18("6","1","5","8","8","8","1") = "7"
    & skf18("6","1","5","8","8","9","1") = "8"
    & skf18("6","1","5","8","8","10","1") = "9"
    & skf18("6","1","5","8","9","1","1") = "8"
    & skf18("6","1","5","8","9","2","1") = "8"
    & skf18("6","1","5","8","9","3","1") = "8"
    & skf18("6","1","5","8","9","4","1") = "8"
    & skf18("6","1","5","8","9","5","1") = "8"
    & skf18("6","1","5","8","9","6","1") = "8"
    & skf18("6","1","5","8","9","7","1") = "8"
    & skf18("6","1","5","8","9","8","1") = "8"
    & skf18("6","1","5","8","9","9","1") = "8"
    & skf18("6","1","5","8","9","10","1") = "9"
    & skf18("6","1","5","8","10","1","1") = "9"
    & skf18("6","1","5","8","10","2","1") = "9"
    & skf18("6","1","5","8","10","3","1") = "9"
    & skf18("6","1","5","8","10","4","1") = "9"
    & skf18("6","1","5","8","10","5","1") = "9"
    & skf18("6","1","5","8","10","6","1") = "9"
    & skf18("6","1","5","8","10","7","1") = "9"
    & skf18("6","1","5","8","10","8","1") = "9"
    & skf18("6","1","5","8","10","9","1") = "9"
    & skf18("6","1","5","8","10","10","1") = "9"
    & skf18("6","1","5","9","1","1","1") = "8"
    & skf18("6","1","5","9","1","2","1") = "8"
    & skf18("6","1","5","9","1","3","1") = "8"
    & skf18("6","1","5","9","1","4","1") = "8"
    & skf18("6","1","5","9","1","5","1") = "8"
    & skf18("6","1","5","9","1","6","1") = "8"
    & skf18("6","1","5","9","1","7","1") = "8"
    & skf18("6","1","5","9","1","8","1") = "8"
    & skf18("6","1","5","9","1","9","1") = "8"
    & skf18("6","1","5","9","1","10","1") = "9"
    & skf18("6","1","5","9","2","1","1") = "8"
    & skf18("6","1","5","9","2","2","1") = "8"
    & skf18("6","1","5","9","2","3","1") = "8"
    & skf18("6","1","5","9","2","4","1") = "8"
    & skf18("6","1","5","9","2","5","1") = "8"
    & skf18("6","1","5","9","2","6","1") = "8"
    & skf18("6","1","5","9","2","7","1") = "8"
    & skf18("6","1","5","9","2","8","1") = "8"
    & skf18("6","1","5","9","2","9","1") = "8"
    & skf18("6","1","5","9","2","10","1") = "9"
    & skf18("6","1","5","9","3","1","1") = "8"
    & skf18("6","1","5","9","3","2","1") = "8"
    & skf18("6","1","5","9","3","3","1") = "8"
    & skf18("6","1","5","9","3","4","1") = "8"
    & skf18("6","1","5","9","3","5","1") = "8"
    & skf18("6","1","5","9","3","6","1") = "8"
    & skf18("6","1","5","9","3","7","1") = "8"
    & skf18("6","1","5","9","3","8","1") = "8"
    & skf18("6","1","5","9","3","9","1") = "8"
    & skf18("6","1","5","9","3","10","1") = "9"
    & skf18("6","1","5","9","4","1","1") = "8"
    & skf18("6","1","5","9","4","2","1") = "8"
    & skf18("6","1","5","9","4","3","1") = "8"
    & skf18("6","1","5","9","4","4","1") = "8"
    & skf18("6","1","5","9","4","5","1") = "8"
    & skf18("6","1","5","9","4","6","1") = "8"
    & skf18("6","1","5","9","4","7","1") = "8"
    & skf18("6","1","5","9","4","8","1") = "8"
    & skf18("6","1","5","9","4","9","1") = "8"
    & skf18("6","1","5","9","4","10","1") = "9"
    & skf18("6","1","5","9","5","1","1") = "8"
    & skf18("6","1","5","9","5","2","1") = "8"
    & skf18("6","1","5","9","5","3","1") = "8"
    & skf18("6","1","5","9","5","4","1") = "8"
    & skf18("6","1","5","9","5","5","1") = "8"
    & skf18("6","1","5","9","5","6","1") = "8"
    & skf18("6","1","5","9","5","7","1") = "8"
    & skf18("6","1","5","9","5","8","1") = "8"
    & skf18("6","1","5","9","5","9","1") = "8"
    & skf18("6","1","5","9","5","10","1") = "9"
    & skf18("6","1","5","9","6","1","1") = "8"
    & skf18("6","1","5","9","6","2","1") = "8"
    & skf18("6","1","5","9","6","3","1") = "8"
    & skf18("6","1","5","9","6","4","1") = "8"
    & skf18("6","1","5","9","6","5","1") = "8"
    & skf18("6","1","5","9","6","6","1") = "8"
    & skf18("6","1","5","9","6","7","1") = "8"
    & skf18("6","1","5","9","6","8","1") = "8"
    & skf18("6","1","5","9","6","9","1") = "8"
    & skf18("6","1","5","9","6","10","1") = "9"
    & skf18("6","1","5","9","7","1","1") = "8"
    & skf18("6","1","5","9","7","2","1") = "8"
    & skf18("6","1","5","9","7","3","1") = "8"
    & skf18("6","1","5","9","7","4","1") = "8"
    & skf18("6","1","5","9","7","5","1") = "8"
    & skf18("6","1","5","9","7","6","1") = "8"
    & skf18("6","1","5","9","7","7","1") = "8"
    & skf18("6","1","5","9","7","8","1") = "8"
    & skf18("6","1","5","9","7","9","1") = "8"
    & skf18("6","1","5","9","7","10","1") = "9"
    & skf18("6","1","5","9","8","1","1") = "8"
    & skf18("6","1","5","9","8","2","1") = "8"
    & skf18("6","1","5","9","8","3","1") = "8"
    & skf18("6","1","5","9","8","4","1") = "8"
    & skf18("6","1","5","9","8","5","1") = "8"
    & skf18("6","1","5","9","8","6","1") = "8"
    & skf18("6","1","5","9","8","7","1") = "8"
    & skf18("6","1","5","9","8","8","1") = "8"
    & skf18("6","1","5","9","8","9","1") = "8"
    & skf18("6","1","5","9","8","10","1") = "9"
    & skf18("6","1","5","9","9","1","1") = "8"
    & skf18("6","1","5","9","9","2","1") = "8"
    & skf18("6","1","5","9","9","3","1") = "8"
    & skf18("6","1","5","9","9","4","1") = "8"
    & skf18("6","1","5","9","9","5","1") = "8"
    & skf18("6","1","5","9","9","6","1") = "8"
    & skf18("6","1","5","9","9","7","1") = "8"
    & skf18("6","1","5","9","9","8","1") = "8"
    & skf18("6","1","5","9","9","9","1") = "8"
    & skf18("6","1","5","9","9","10","1") = "9"
    & skf18("6","1","5","9","10","1","1") = "9"
    & skf18("6","1","5","9","10","2","1") = "9"
    & skf18("6","1","5","9","10","3","1") = "9"
    & skf18("6","1","5","9","10","4","1") = "9"
    & skf18("6","1","5","9","10","5","1") = "9"
    & skf18("6","1","5","9","10","6","1") = "9"
    & skf18("6","1","5","9","10","7","1") = "9"
    & skf18("6","1","5","9","10","8","1") = "9"
    & skf18("6","1","5","9","10","9","1") = "9"
    & skf18("6","1","5","9","10","10","1") = "9"
    & skf18("6","1","5","10","1","1","1") = "9"
    & skf18("6","1","5","10","1","2","1") = "9"
    & skf18("6","1","5","10","1","3","1") = "9"
    & skf18("6","1","5","10","1","4","1") = "9"
    & skf18("6","1","5","10","1","5","1") = "9"
    & skf18("6","1","5","10","1","6","1") = "9"
    & skf18("6","1","5","10","1","7","1") = "9"
    & skf18("6","1","5","10","1","8","1") = "9"
    & skf18("6","1","5","10","1","9","1") = "9"
    & skf18("6","1","5","10","1","10","1") = "9"
    & skf18("6","1","5","10","2","1","1") = "9"
    & skf18("6","1","5","10","2","2","1") = "9"
    & skf18("6","1","5","10","2","3","1") = "9"
    & skf18("6","1","5","10","2","4","1") = "9"
    & skf18("6","1","5","10","2","5","1") = "9"
    & skf18("6","1","5","10","2","6","1") = "9"
    & skf18("6","1","5","10","2","7","1") = "9"
    & skf18("6","1","5","10","2","8","1") = "9"
    & skf18("6","1","5","10","2","9","1") = "9"
    & skf18("6","1","5","10","2","10","1") = "9"
    & skf18("6","1","5","10","3","1","1") = "9"
    & skf18("6","1","5","10","3","2","1") = "9"
    & skf18("6","1","5","10","3","3","1") = "9"
    & skf18("6","1","5","10","3","4","1") = "9"
    & skf18("6","1","5","10","3","5","1") = "9"
    & skf18("6","1","5","10","3","6","1") = "9"
    & skf18("6","1","5","10","3","7","1") = "9"
    & skf18("6","1","5","10","3","8","1") = "9"
    & skf18("6","1","5","10","3","9","1") = "9"
    & skf18("6","1","5","10","3","10","1") = "9"
    & skf18("6","1","5","10","4","1","1") = "9"
    & skf18("6","1","5","10","4","2","1") = "9"
    & skf18("6","1","5","10","4","3","1") = "9"
    & skf18("6","1","5","10","4","4","1") = "9"
    & skf18("6","1","5","10","4","5","1") = "9"
    & skf18("6","1","5","10","4","6","1") = "9"
    & skf18("6","1","5","10","4","7","1") = "9"
    & skf18("6","1","5","10","4","8","1") = "9"
    & skf18("6","1","5","10","4","9","1") = "9"
    & skf18("6","1","5","10","4","10","1") = "9"
    & skf18("6","1","5","10","5","1","1") = "9"
    & skf18("6","1","5","10","5","2","1") = "9"
    & skf18("6","1","5","10","5","3","1") = "9"
    & skf18("6","1","5","10","5","4","1") = "9"
    & skf18("6","1","5","10","5","5","1") = "9"
    & skf18("6","1","5","10","5","6","1") = "9"
    & skf18("6","1","5","10","5","7","1") = "9"
    & skf18("6","1","5","10","5","8","1") = "9"
    & skf18("6","1","5","10","5","9","1") = "9"
    & skf18("6","1","5","10","5","10","1") = "9"
    & skf18("6","1","5","10","6","1","1") = "9"
    & skf18("6","1","5","10","6","2","1") = "9"
    & skf18("6","1","5","10","6","3","1") = "9"
    & skf18("6","1","5","10","6","4","1") = "9"
    & skf18("6","1","5","10","6","5","1") = "9"
    & skf18("6","1","5","10","6","6","1") = "9"
    & skf18("6","1","5","10","6","7","1") = "9"
    & skf18("6","1","5","10","6","8","1") = "9"
    & skf18("6","1","5","10","6","9","1") = "9"
    & skf18("6","1","5","10","6","10","1") = "9"
    & skf18("6","1","5","10","7","1","1") = "9"
    & skf18("6","1","5","10","7","2","1") = "9"
    & skf18("6","1","5","10","7","3","1") = "9"
    & skf18("6","1","5","10","7","4","1") = "9"
    & skf18("6","1","5","10","7","5","1") = "9"
    & skf18("6","1","5","10","7","6","1") = "9"
    & skf18("6","1","5","10","7","7","1") = "9"
    & skf18("6","1","5","10","7","8","1") = "9"
    & skf18("6","1","5","10","7","9","1") = "9"
    & skf18("6","1","5","10","7","10","1") = "9"
    & skf18("6","1","5","10","8","1","1") = "9"
    & skf18("6","1","5","10","8","2","1") = "9"
    & skf18("6","1","5","10","8","3","1") = "9"
    & skf18("6","1","5","10","8","4","1") = "9"
    & skf18("6","1","5","10","8","5","1") = "9"
    & skf18("6","1","5","10","8","6","1") = "9"
    & skf18("6","1","5","10","8","7","1") = "9"
    & skf18("6","1","5","10","8","8","1") = "9"
    & skf18("6","1","5","10","8","9","1") = "9"
    & skf18("6","1","5","10","8","10","1") = "9"
    & skf18("6","1","5","10","9","1","1") = "9"
    & skf18("6","1","5","10","9","2","1") = "9"
    & skf18("6","1","5","10","9","3","1") = "9"
    & skf18("6","1","5","10","9","4","1") = "9"
    & skf18("6","1","5","10","9","5","1") = "9"
    & skf18("6","1","5","10","9","6","1") = "9"
    & skf18("6","1","5","10","9","7","1") = "9"
    & skf18("6","1","5","10","9","8","1") = "9"
    & skf18("6","1","5","10","9","9","1") = "9"
    & skf18("6","1","5","10","9","10","1") = "9"
    & skf18("6","1","5","10","10","1","1") = "9"
    & skf18("6","1","5","10","10","2","1") = "9"
    & skf18("6","1","5","10","10","3","1") = "9"
    & skf18("6","1","5","10","10","4","1") = "9"
    & skf18("6","1","5","10","10","5","1") = "9"
    & skf18("6","1","5","10","10","6","1") = "9"
    & skf18("6","1","5","10","10","7","1") = "9"
    & skf18("6","1","5","10","10","8","1") = "9"
    & skf18("6","1","5","10","10","9","1") = "9"
    & skf18("6","1","5","10","10","10","1") = "9"
    & skf18("6","1","6","1","1","1","1") = "5"
    & skf18("6","1","6","1","1","2","1") = "5"
    & skf18("6","1","6","1","1","3","1") = "5"
    & skf18("6","1","6","1","1","4","1") = "5"
    & skf18("6","1","6","1","1","5","1") = "5"
    & skf18("6","1","6","1","1","6","1") = "5"
    & skf18("6","1","6","1","1","7","1") = "6"
    & skf18("6","1","6","1","1","8","1") = "7"
    & skf18("6","1","6","1","1","9","1") = "8"
    & skf18("6","1","6","1","1","10","1") = "9"
    & skf18("6","1","6","1","2","1","1") = "5"
    & skf18("6","1","6","1","2","2","1") = "5"
    & skf18("6","1","6","1","2","3","1") = "5"
    & skf18("6","1","6","1","2","4","1") = "5"
    & skf18("6","1","6","1","2","5","1") = "5"
    & skf18("6","1","6","1","2","6","1") = "5"
    & skf18("6","1","6","1","2","7","1") = "6"
    & skf18("6","1","6","1","2","8","1") = "7"
    & skf18("6","1","6","1","2","9","1") = "8"
    & skf18("6","1","6","1","2","10","1") = "9"
    & skf18("6","1","6","1","3","1","1") = "5"
    & skf18("6","1","6","1","3","2","1") = "5"
    & skf18("6","1","6","1","3","3","1") = "5"
    & skf18("6","1","6","1","3","4","1") = "5"
    & skf18("6","1","6","1","3","5","1") = "5"
    & skf18("6","1","6","1","3","6","1") = "5"
    & skf18("6","1","6","1","3","7","1") = "6"
    & skf18("6","1","6","1","3","8","1") = "7"
    & skf18("6","1","6","1","3","9","1") = "8"
    & skf18("6","1","6","1","3","10","1") = "9"
    & skf18("6","1","6","1","4","1","1") = "5"
    & skf18("6","1","6","1","4","2","1") = "5"
    & skf18("6","1","6","1","4","3","1") = "5"
    & skf18("6","1","6","1","4","4","1") = "5"
    & skf18("6","1","6","1","4","5","1") = "5"
    & skf18("6","1","6","1","4","6","1") = "5"
    & skf18("6","1","6","1","4","7","1") = "6"
    & skf18("6","1","6","1","4","8","1") = "7"
    & skf18("6","1","6","1","4","9","1") = "8"
    & skf18("6","1","6","1","4","10","1") = "9"
    & skf18("6","1","6","1","5","1","1") = "5"
    & skf18("6","1","6","1","5","2","1") = "5"
    & skf18("6","1","6","1","5","3","1") = "5"
    & skf18("6","1","6","1","5","4","1") = "5"
    & skf18("6","1","6","1","5","5","1") = "5"
    & skf18("6","1","6","1","5","6","1") = "5"
    & skf18("6","1","6","1","5","7","1") = "6"
    & skf18("6","1","6","1","5","8","1") = "7"
    & skf18("6","1","6","1","5","9","1") = "8"
    & skf18("6","1","6","1","5","10","1") = "9"
    & skf18("6","1","6","1","6","1","1") = "5"
    & skf18("6","1","6","1","6","2","1") = "5"
    & skf18("6","1","6","1","6","3","1") = "5"
    & skf18("6","1","6","1","6","4","1") = "5"
    & skf18("6","1","6","1","6","5","1") = "5"
    & skf18("6","1","6","1","6","6","1") = "5"
    & skf18("6","1","6","1","6","7","1") = "6"
    & skf18("6","1","6","1","6","8","1") = "7"
    & skf18("6","1","6","1","6","9","1") = "8"
    & skf18("6","1","6","1","6","10","1") = "9"
    & skf18("6","1","6","1","7","1","1") = "6"
    & skf18("6","1","6","1","7","2","1") = "6"
    & skf18("6","1","6","1","7","3","1") = "6"
    & skf18("6","1","6","1","7","4","1") = "6"
    & skf18("6","1","6","1","7","5","1") = "6"
    & skf18("6","1","6","1","7","6","1") = "6"
    & skf18("6","1","6","1","7","7","1") = "6"
    & skf18("6","1","6","1","7","8","1") = "7"
    & skf18("6","1","6","1","7","9","1") = "8"
    & skf18("6","1","6","1","7","10","1") = "9"
    & skf18("6","1","6","1","8","1","1") = "7"
    & skf18("6","1","6","1","8","2","1") = "7"
    & skf18("6","1","6","1","8","3","1") = "7"
    & skf18("6","1","6","1","8","4","1") = "7"
    & skf18("6","1","6","1","8","5","1") = "7"
    & skf18("6","1","6","1","8","6","1") = "7"
    & skf18("6","1","6","1","8","7","1") = "7"
    & skf18("6","1","6","1","8","8","1") = "7"
    & skf18("6","1","6","1","8","9","1") = "8"
    & skf18("6","1","6","1","8","10","1") = "9"
    & skf18("6","1","6","1","9","1","1") = "8"
    & skf18("6","1","6","1","9","2","1") = "8"
    & skf18("6","1","6","1","9","3","1") = "8"
    & skf18("6","1","6","1","9","4","1") = "8"
    & skf18("6","1","6","1","9","5","1") = "8"
    & skf18("6","1","6","1","9","6","1") = "8"
    & skf18("6","1","6","1","9","7","1") = "8"
    & skf18("6","1","6","1","9","8","1") = "8"
    & skf18("6","1","6","1","9","9","1") = "8"
    & skf18("6","1","6","1","9","10","1") = "9"
    & skf18("6","1","6","1","10","1","1") = "9"
    & skf18("6","1","6","1","10","2","1") = "9"
    & skf18("6","1","6","1","10","3","1") = "9"
    & skf18("6","1","6","1","10","4","1") = "9"
    & skf18("6","1","6","1","10","5","1") = "9"
    & skf18("6","1","6","1","10","6","1") = "9"
    & skf18("6","1","6","1","10","7","1") = "9"
    & skf18("6","1","6","1","10","8","1") = "9"
    & skf18("6","1","6","1","10","9","1") = "9"
    & skf18("6","1","6","1","10","10","1") = "9"
    & skf18("6","1","6","2","1","1","1") = "5"
    & skf18("6","1","6","2","1","2","1") = "5"
    & skf18("6","1","6","2","1","3","1") = "5"
    & skf18("6","1","6","2","1","4","1") = "5"
    & skf18("6","1","6","2","1","5","1") = "5"
    & skf18("6","1","6","2","1","6","1") = "5"
    & skf18("6","1","6","2","1","7","1") = "6"
    & skf18("6","1","6","2","1","8","1") = "7"
    & skf18("6","1","6","2","1","9","1") = "8"
    & skf18("6","1","6","2","1","10","1") = "9"
    & skf18("6","1","6","2","2","1","1") = "5"
    & skf18("6","1","6","2","2","2","1") = "5"
    & skf18("6","1","6","2","2","3","1") = "5"
    & skf18("6","1","6","2","2","4","1") = "5"
    & skf18("6","1","6","2","2","5","1") = "5"
    & skf18("6","1","6","2","2","6","1") = "5"
    & skf18("6","1","6","2","2","7","1") = "6"
    & skf18("6","1","6","2","2","8","1") = "7"
    & skf18("6","1","6","2","2","9","1") = "8"
    & skf18("6","1","6","2","2","10","1") = "9"
    & skf18("6","1","6","2","3","1","1") = "5"
    & skf18("6","1","6","2","3","2","1") = "5"
    & skf18("6","1","6","2","3","3","1") = "5"
    & skf18("6","1","6","2","3","4","1") = "5"
    & skf18("6","1","6","2","3","5","1") = "5"
    & skf18("6","1","6","2","3","6","1") = "5"
    & skf18("6","1","6","2","3","7","1") = "6"
    & skf18("6","1","6","2","3","8","1") = "7"
    & skf18("6","1","6","2","3","9","1") = "8"
    & skf18("6","1","6","2","3","10","1") = "9"
    & skf18("6","1","6","2","4","1","1") = "5"
    & skf18("6","1","6","2","4","2","1") = "5"
    & skf18("6","1","6","2","4","3","1") = "5"
    & skf18("6","1","6","2","4","4","1") = "5"
    & skf18("6","1","6","2","4","5","1") = "5"
    & skf18("6","1","6","2","4","6","1") = "5"
    & skf18("6","1","6","2","4","7","1") = "6"
    & skf18("6","1","6","2","4","8","1") = "7"
    & skf18("6","1","6","2","4","9","1") = "8"
    & skf18("6","1","6","2","4","10","1") = "9"
    & skf18("6","1","6","2","5","1","1") = "5"
    & skf18("6","1","6","2","5","2","1") = "5"
    & skf18("6","1","6","2","5","3","1") = "5"
    & skf18("6","1","6","2","5","4","1") = "5"
    & skf18("6","1","6","2","5","5","1") = "5"
    & skf18("6","1","6","2","5","6","1") = "5"
    & skf18("6","1","6","2","5","7","1") = "6"
    & skf18("6","1","6","2","5","8","1") = "7"
    & skf18("6","1","6","2","5","9","1") = "8"
    & skf18("6","1","6","2","5","10","1") = "9"
    & skf18("6","1","6","2","6","1","1") = "5"
    & skf18("6","1","6","2","6","2","1") = "5"
    & skf18("6","1","6","2","6","3","1") = "5"
    & skf18("6","1","6","2","6","4","1") = "5"
    & skf18("6","1","6","2","6","5","1") = "5"
    & skf18("6","1","6","2","6","6","1") = "5"
    & skf18("6","1","6","2","6","7","1") = "6"
    & skf18("6","1","6","2","6","8","1") = "7"
    & skf18("6","1","6","2","6","9","1") = "8"
    & skf18("6","1","6","2","6","10","1") = "9"
    & skf18("6","1","6","2","7","1","1") = "6"
    & skf18("6","1","6","2","7","2","1") = "6"
    & skf18("6","1","6","2","7","3","1") = "6"
    & skf18("6","1","6","2","7","4","1") = "6"
    & skf18("6","1","6","2","7","5","1") = "6"
    & skf18("6","1","6","2","7","6","1") = "6"
    & skf18("6","1","6","2","7","7","1") = "6"
    & skf18("6","1","6","2","7","8","1") = "7"
    & skf18("6","1","6","2","7","9","1") = "8"
    & skf18("6","1","6","2","7","10","1") = "9"
    & skf18("6","1","6","2","8","1","1") = "7"
    & skf18("6","1","6","2","8","2","1") = "7"
    & skf18("6","1","6","2","8","3","1") = "7"
    & skf18("6","1","6","2","8","4","1") = "7"
    & skf18("6","1","6","2","8","5","1") = "7"
    & skf18("6","1","6","2","8","6","1") = "7"
    & skf18("6","1","6","2","8","7","1") = "7"
    & skf18("6","1","6","2","8","8","1") = "7"
    & skf18("6","1","6","2","8","9","1") = "8"
    & skf18("6","1","6","2","8","10","1") = "9"
    & skf18("6","1","6","2","9","1","1") = "8"
    & skf18("6","1","6","2","9","2","1") = "8"
    & skf18("6","1","6","2","9","3","1") = "8"
    & skf18("6","1","6","2","9","4","1") = "8"
    & skf18("6","1","6","2","9","5","1") = "8"
    & skf18("6","1","6","2","9","6","1") = "8"
    & skf18("6","1","6","2","9","7","1") = "8"
    & skf18("6","1","6","2","9","8","1") = "8"
    & skf18("6","1","6","2","9","9","1") = "8"
    & skf18("6","1","6","2","9","10","1") = "9"
    & skf18("6","1","6","2","10","1","1") = "9"
    & skf18("6","1","6","2","10","2","1") = "9"
    & skf18("6","1","6","2","10","3","1") = "9"
    & skf18("6","1","6","2","10","4","1") = "9"
    & skf18("6","1","6","2","10","5","1") = "9"
    & skf18("6","1","6","2","10","6","1") = "9"
    & skf18("6","1","6","2","10","7","1") = "9"
    & skf18("6","1","6","2","10","8","1") = "9"
    & skf18("6","1","6","2","10","9","1") = "9"
    & skf18("6","1","6","2","10","10","1") = "9"
    & skf18("6","1","6","3","1","1","1") = "5"
    & skf18("6","1","6","3","1","2","1") = "5"
    & skf18("6","1","6","3","1","3","1") = "5"
    & skf18("6","1","6","3","1","4","1") = "5"
    & skf18("6","1","6","3","1","5","1") = "5"
    & skf18("6","1","6","3","1","6","1") = "5"
    & skf18("6","1","6","3","1","7","1") = "6"
    & skf18("6","1","6","3","1","8","1") = "7"
    & skf18("6","1","6","3","1","9","1") = "8"
    & skf18("6","1","6","3","1","10","1") = "9"
    & skf18("6","1","6","3","2","1","1") = "5"
    & skf18("6","1","6","3","2","2","1") = "5"
    & skf18("6","1","6","3","2","3","1") = "5"
    & skf18("6","1","6","3","2","4","1") = "5"
    & skf18("6","1","6","3","2","5","1") = "5"
    & skf18("6","1","6","3","2","6","1") = "5"
    & skf18("6","1","6","3","2","7","1") = "6"
    & skf18("6","1","6","3","2","8","1") = "7"
    & skf18("6","1","6","3","2","9","1") = "8"
    & skf18("6","1","6","3","2","10","1") = "9"
    & skf18("6","1","6","3","3","1","1") = "5"
    & skf18("6","1","6","3","3","2","1") = "5"
    & skf18("6","1","6","3","3","3","1") = "5"
    & skf18("6","1","6","3","3","4","1") = "5"
    & skf18("6","1","6","3","3","5","1") = "5"
    & skf18("6","1","6","3","3","6","1") = "5"
    & skf18("6","1","6","3","3","7","1") = "6"
    & skf18("6","1","6","3","3","8","1") = "7"
    & skf18("6","1","6","3","3","9","1") = "8"
    & skf18("6","1","6","3","3","10","1") = "9"
    & skf18("6","1","6","3","4","1","1") = "5"
    & skf18("6","1","6","3","4","2","1") = "5"
    & skf18("6","1","6","3","4","3","1") = "5"
    & skf18("6","1","6","3","4","4","1") = "5"
    & skf18("6","1","6","3","4","5","1") = "5"
    & skf18("6","1","6","3","4","6","1") = "5"
    & skf18("6","1","6","3","4","7","1") = "6"
    & skf18("6","1","6","3","4","8","1") = "7"
    & skf18("6","1","6","3","4","9","1") = "8"
    & skf18("6","1","6","3","4","10","1") = "9"
    & skf18("6","1","6","3","5","1","1") = "5"
    & skf18("6","1","6","3","5","2","1") = "5"
    & skf18("6","1","6","3","5","3","1") = "5"
    & skf18("6","1","6","3","5","4","1") = "5"
    & skf18("6","1","6","3","5","5","1") = "5"
    & skf18("6","1","6","3","5","6","1") = "5"
    & skf18("6","1","6","3","5","7","1") = "6"
    & skf18("6","1","6","3","5","8","1") = "7"
    & skf18("6","1","6","3","5","9","1") = "8"
    & skf18("6","1","6","3","5","10","1") = "9"
    & skf18("6","1","6","3","6","1","1") = "5"
    & skf18("6","1","6","3","6","2","1") = "5"
    & skf18("6","1","6","3","6","3","1") = "5"
    & skf18("6","1","6","3","6","4","1") = "5"
    & skf18("6","1","6","3","6","5","1") = "5"
    & skf18("6","1","6","3","6","6","1") = "5"
    & skf18("6","1","6","3","6","7","1") = "6"
    & skf18("6","1","6","3","6","8","1") = "7"
    & skf18("6","1","6","3","6","9","1") = "8"
    & skf18("6","1","6","3","6","10","1") = "9"
    & skf18("6","1","6","3","7","1","1") = "6"
    & skf18("6","1","6","3","7","2","1") = "6"
    & skf18("6","1","6","3","7","3","1") = "6"
    & skf18("6","1","6","3","7","4","1") = "6"
    & skf18("6","1","6","3","7","5","1") = "6"
    & skf18("6","1","6","3","7","6","1") = "6"
    & skf18("6","1","6","3","7","7","1") = "6"
    & skf18("6","1","6","3","7","8","1") = "7"
    & skf18("6","1","6","3","7","9","1") = "8"
    & skf18("6","1","6","3","7","10","1") = "9"
    & skf18("6","1","6","3","8","1","1") = "7"
    & skf18("6","1","6","3","8","2","1") = "7"
    & skf18("6","1","6","3","8","3","1") = "7"
    & skf18("6","1","6","3","8","4","1") = "7"
    & skf18("6","1","6","3","8","5","1") = "7"
    & skf18("6","1","6","3","8","6","1") = "7"
    & skf18("6","1","6","3","8","7","1") = "7"
    & skf18("6","1","6","3","8","8","1") = "7"
    & skf18("6","1","6","3","8","9","1") = "8"
    & skf18("6","1","6","3","8","10","1") = "9"
    & skf18("6","1","6","3","9","1","1") = "8"
    & skf18("6","1","6","3","9","2","1") = "8"
    & skf18("6","1","6","3","9","3","1") = "8"
    & skf18("6","1","6","3","9","4","1") = "8"
    & skf18("6","1","6","3","9","5","1") = "8"
    & skf18("6","1","6","3","9","6","1") = "8"
    & skf18("6","1","6","3","9","7","1") = "8"
    & skf18("6","1","6","3","9","8","1") = "8"
    & skf18("6","1","6","3","9","9","1") = "8"
    & skf18("6","1","6","3","9","10","1") = "9"
    & skf18("6","1","6","3","10","1","1") = "9"
    & skf18("6","1","6","3","10","2","1") = "9"
    & skf18("6","1","6","3","10","3","1") = "9"
    & skf18("6","1","6","3","10","4","1") = "9"
    & skf18("6","1","6","3","10","5","1") = "9"
    & skf18("6","1","6","3","10","6","1") = "9"
    & skf18("6","1","6","3","10","7","1") = "9"
    & skf18("6","1","6","3","10","8","1") = "9"
    & skf18("6","1","6","3","10","9","1") = "9"
    & skf18("6","1","6","3","10","10","1") = "9"
    & skf18("6","1","6","4","1","1","1") = "5"
    & skf18("6","1","6","4","1","2","1") = "5"
    & skf18("6","1","6","4","1","3","1") = "5"
    & skf18("6","1","6","4","1","4","1") = "5"
    & skf18("6","1","6","4","1","5","1") = "5"
    & skf18("6","1","6","4","1","6","1") = "5"
    & skf18("6","1","6","4","1","7","1") = "6"
    & skf18("6","1","6","4","1","8","1") = "7"
    & skf18("6","1","6","4","1","9","1") = "8"
    & skf18("6","1","6","4","1","10","1") = "9"
    & skf18("6","1","6","4","2","1","1") = "5"
    & skf18("6","1","6","4","2","2","1") = "5"
    & skf18("6","1","6","4","2","3","1") = "5"
    & skf18("6","1","6","4","2","4","1") = "5"
    & skf18("6","1","6","4","2","5","1") = "5"
    & skf18("6","1","6","4","2","6","1") = "5"
    & skf18("6","1","6","4","2","7","1") = "6"
    & skf18("6","1","6","4","2","8","1") = "7"
    & skf18("6","1","6","4","2","9","1") = "8"
    & skf18("6","1","6","4","2","10","1") = "9"
    & skf18("6","1","6","4","3","1","1") = "5"
    & skf18("6","1","6","4","3","2","1") = "5"
    & skf18("6","1","6","4","3","3","1") = "5"
    & skf18("6","1","6","4","3","4","1") = "5"
    & skf18("6","1","6","4","3","5","1") = "5"
    & skf18("6","1","6","4","3","6","1") = "5"
    & skf18("6","1","6","4","3","7","1") = "6"
    & skf18("6","1","6","4","3","8","1") = "7"
    & skf18("6","1","6","4","3","9","1") = "8"
    & skf18("6","1","6","4","3","10","1") = "9"
    & skf18("6","1","6","4","4","1","1") = "5"
    & skf18("6","1","6","4","4","2","1") = "5"
    & skf18("6","1","6","4","4","3","1") = "5"
    & skf18("6","1","6","4","4","4","1") = "5"
    & skf18("6","1","6","4","4","5","1") = "5"
    & skf18("6","1","6","4","4","6","1") = "5"
    & skf18("6","1","6","4","4","7","1") = "6"
    & skf18("6","1","6","4","4","8","1") = "7"
    & skf18("6","1","6","4","4","9","1") = "8"
    & skf18("6","1","6","4","4","10","1") = "9"
    & skf18("6","1","6","4","5","1","1") = "5"
    & skf18("6","1","6","4","5","2","1") = "5"
    & skf18("6","1","6","4","5","3","1") = "5"
    & skf18("6","1","6","4","5","4","1") = "5"
    & skf18("6","1","6","4","5","5","1") = "5"
    & skf18("6","1","6","4","5","6","1") = "5"
    & skf18("6","1","6","4","5","7","1") = "6"
    & skf18("6","1","6","4","5","8","1") = "7"
    & skf18("6","1","6","4","5","9","1") = "8"
    & skf18("6","1","6","4","5","10","1") = "9"
    & skf18("6","1","6","4","6","1","1") = "5"
    & skf18("6","1","6","4","6","2","1") = "5"
    & skf18("6","1","6","4","6","3","1") = "5"
    & skf18("6","1","6","4","6","4","1") = "5"
    & skf18("6","1","6","4","6","5","1") = "5"
    & skf18("6","1","6","4","6","6","1") = "5"
    & skf18("6","1","6","4","6","7","1") = "6"
    & skf18("6","1","6","4","6","8","1") = "7"
    & skf18("6","1","6","4","6","9","1") = "8"
    & skf18("6","1","6","4","6","10","1") = "9"
    & skf18("6","1","6","4","7","1","1") = "6"
    & skf18("6","1","6","4","7","2","1") = "6"
    & skf18("6","1","6","4","7","3","1") = "6"
    & skf18("6","1","6","4","7","4","1") = "6"
    & skf18("6","1","6","4","7","5","1") = "6"
    & skf18("6","1","6","4","7","6","1") = "6"
    & skf18("6","1","6","4","7","7","1") = "6"
    & skf18("6","1","6","4","7","8","1") = "7"
    & skf18("6","1","6","4","7","9","1") = "8"
    & skf18("6","1","6","4","7","10","1") = "9"
    & skf18("6","1","6","4","8","1","1") = "7"
    & skf18("6","1","6","4","8","2","1") = "7"
    & skf18("6","1","6","4","8","3","1") = "7"
    & skf18("6","1","6","4","8","4","1") = "7"
    & skf18("6","1","6","4","8","5","1") = "7"
    & skf18("6","1","6","4","8","6","1") = "7"
    & skf18("6","1","6","4","8","7","1") = "7"
    & skf18("6","1","6","4","8","8","1") = "7"
    & skf18("6","1","6","4","8","9","1") = "8"
    & skf18("6","1","6","4","8","10","1") = "9"
    & skf18("6","1","6","4","9","1","1") = "8"
    & skf18("6","1","6","4","9","2","1") = "8"
    & skf18("6","1","6","4","9","3","1") = "8"
    & skf18("6","1","6","4","9","4","1") = "8"
    & skf18("6","1","6","4","9","5","1") = "8"
    & skf18("6","1","6","4","9","6","1") = "8"
    & skf18("6","1","6","4","9","7","1") = "8"
    & skf18("6","1","6","4","9","8","1") = "8"
    & skf18("6","1","6","4","9","9","1") = "8"
    & skf18("6","1","6","4","9","10","1") = "9"
    & skf18("6","1","6","4","10","1","1") = "9"
    & skf18("6","1","6","4","10","2","1") = "9"
    & skf18("6","1","6","4","10","3","1") = "9"
    & skf18("6","1","6","4","10","4","1") = "9"
    & skf18("6","1","6","4","10","5","1") = "9"
    & skf18("6","1","6","4","10","6","1") = "9"
    & skf18("6","1","6","4","10","7","1") = "9"
    & skf18("6","1","6","4","10","8","1") = "9"
    & skf18("6","1","6","4","10","9","1") = "9"
    & skf18("6","1","6","4","10","10","1") = "9"
    & skf18("6","1","6","5","1","1","1") = "5"
    & skf18("6","1","6","5","1","2","1") = "5"
    & skf18("6","1","6","5","1","3","1") = "5"
    & skf18("6","1","6","5","1","4","1") = "5"
    & skf18("6","1","6","5","1","5","1") = "5"
    & skf18("6","1","6","5","1","6","1") = "5"
    & skf18("6","1","6","5","1","7","1") = "6"
    & skf18("6","1","6","5","1","8","1") = "7"
    & skf18("6","1","6","5","1","9","1") = "8"
    & skf18("6","1","6","5","1","10","1") = "9"
    & skf18("6","1","6","5","2","1","1") = "5"
    & skf18("6","1","6","5","2","2","1") = "5"
    & skf18("6","1","6","5","2","3","1") = "5"
    & skf18("6","1","6","5","2","4","1") = "5"
    & skf18("6","1","6","5","2","5","1") = "5"
    & skf18("6","1","6","5","2","6","1") = "5"
    & skf18("6","1","6","5","2","7","1") = "6"
    & skf18("6","1","6","5","2","8","1") = "7"
    & skf18("6","1","6","5","2","9","1") = "8"
    & skf18("6","1","6","5","2","10","1") = "9"
    & skf18("6","1","6","5","3","1","1") = "5"
    & skf18("6","1","6","5","3","2","1") = "5"
    & skf18("6","1","6","5","3","3","1") = "5"
    & skf18("6","1","6","5","3","4","1") = "5"
    & skf18("6","1","6","5","3","5","1") = "5"
    & skf18("6","1","6","5","3","6","1") = "5"
    & skf18("6","1","6","5","3","7","1") = "6"
    & skf18("6","1","6","5","3","8","1") = "7"
    & skf18("6","1","6","5","3","9","1") = "8"
    & skf18("6","1","6","5","3","10","1") = "9"
    & skf18("6","1","6","5","4","1","1") = "5"
    & skf18("6","1","6","5","4","2","1") = "5"
    & skf18("6","1","6","5","4","3","1") = "5"
    & skf18("6","1","6","5","4","4","1") = "5"
    & skf18("6","1","6","5","4","5","1") = "5"
    & skf18("6","1","6","5","4","6","1") = "5"
    & skf18("6","1","6","5","4","7","1") = "6"
    & skf18("6","1","6","5","4","8","1") = "7"
    & skf18("6","1","6","5","4","9","1") = "8"
    & skf18("6","1","6","5","4","10","1") = "9"
    & skf18("6","1","6","5","5","1","1") = "5"
    & skf18("6","1","6","5","5","2","1") = "5"
    & skf18("6","1","6","5","5","3","1") = "5"
    & skf18("6","1","6","5","5","4","1") = "5"
    & skf18("6","1","6","5","5","5","1") = "5"
    & skf18("6","1","6","5","5","6","1") = "5"
    & skf18("6","1","6","5","5","7","1") = "6"
    & skf18("6","1","6","5","5","8","1") = "7"
    & skf18("6","1","6","5","5","9","1") = "8"
    & skf18("6","1","6","5","5","10","1") = "9"
    & skf18("6","1","6","5","6","1","1") = "5"
    & skf18("6","1","6","5","6","2","1") = "5"
    & skf18("6","1","6","5","6","3","1") = "5"
    & skf18("6","1","6","5","6","4","1") = "5"
    & skf18("6","1","6","5","6","5","1") = "5"
    & skf18("6","1","6","5","6","6","1") = "5"
    & skf18("6","1","6","5","6","7","1") = "6"
    & skf18("6","1","6","5","6","8","1") = "7"
    & skf18("6","1","6","5","6","9","1") = "8"
    & skf18("6","1","6","5","6","10","1") = "9"
    & skf18("6","1","6","5","7","1","1") = "6"
    & skf18("6","1","6","5","7","2","1") = "6"
    & skf18("6","1","6","5","7","3","1") = "6"
    & skf18("6","1","6","5","7","4","1") = "6"
    & skf18("6","1","6","5","7","5","1") = "6"
    & skf18("6","1","6","5","7","6","1") = "6"
    & skf18("6","1","6","5","7","7","1") = "6"
    & skf18("6","1","6","5","7","8","1") = "7"
    & skf18("6","1","6","5","7","9","1") = "8"
    & skf18("6","1","6","5","7","10","1") = "9"
    & skf18("6","1","6","5","8","1","1") = "7"
    & skf18("6","1","6","5","8","2","1") = "7"
    & skf18("6","1","6","5","8","3","1") = "7"
    & skf18("6","1","6","5","8","4","1") = "7"
    & skf18("6","1","6","5","8","5","1") = "7"
    & skf18("6","1","6","5","8","6","1") = "7"
    & skf18("6","1","6","5","8","7","1") = "7"
    & skf18("6","1","6","5","8","8","1") = "7"
    & skf18("6","1","6","5","8","9","1") = "8"
    & skf18("6","1","6","5","8","10","1") = "9"
    & skf18("6","1","6","5","9","1","1") = "8"
    & skf18("6","1","6","5","9","2","1") = "8"
    & skf18("6","1","6","5","9","3","1") = "8"
    & skf18("6","1","6","5","9","4","1") = "8"
    & skf18("6","1","6","5","9","5","1") = "8"
    & skf18("6","1","6","5","9","6","1") = "8"
    & skf18("6","1","6","5","9","7","1") = "8"
    & skf18("6","1","6","5","9","8","1") = "8"
    & skf18("6","1","6","5","9","9","1") = "8"
    & skf18("6","1","6","5","9","10","1") = "9"
    & skf18("6","1","6","5","10","1","1") = "9"
    & skf18("6","1","6","5","10","2","1") = "9"
    & skf18("6","1","6","5","10","3","1") = "9"
    & skf18("6","1","6","5","10","4","1") = "9"
    & skf18("6","1","6","5","10","5","1") = "9"
    & skf18("6","1","6","5","10","6","1") = "9"
    & skf18("6","1","6","5","10","7","1") = "9"
    & skf18("6","1","6","5","10","8","1") = "9"
    & skf18("6","1","6","5","10","9","1") = "9"
    & skf18("6","1","6","5","10","10","1") = "9"
    & skf18("6","1","6","6","1","1","1") = "5"
    & skf18("6","1","6","6","1","2","1") = "5"
    & skf18("6","1","6","6","1","3","1") = "5"
    & skf18("6","1","6","6","1","4","1") = "5"
    & skf18("6","1","6","6","1","5","1") = "5"
    & skf18("6","1","6","6","1","6","1") = "5"
    & skf18("6","1","6","6","1","7","1") = "6"
    & skf18("6","1","6","6","1","8","1") = "7"
    & skf18("6","1","6","6","1","9","1") = "8"
    & skf18("6","1","6","6","1","10","1") = "9"
    & skf18("6","1","6","6","2","1","1") = "5"
    & skf18("6","1","6","6","2","2","1") = "5"
    & skf18("6","1","6","6","2","3","1") = "5"
    & skf18("6","1","6","6","2","4","1") = "5"
    & skf18("6","1","6","6","2","5","1") = "5"
    & skf18("6","1","6","6","2","6","1") = "5"
    & skf18("6","1","6","6","2","7","1") = "6"
    & skf18("6","1","6","6","2","8","1") = "7"
    & skf18("6","1","6","6","2","9","1") = "8"
    & skf18("6","1","6","6","2","10","1") = "9"
    & skf18("6","1","6","6","3","1","1") = "5"
    & skf18("6","1","6","6","3","2","1") = "5"
    & skf18("6","1","6","6","3","3","1") = "5"
    & skf18("6","1","6","6","3","4","1") = "5"
    & skf18("6","1","6","6","3","5","1") = "5"
    & skf18("6","1","6","6","3","6","1") = "5"
    & skf18("6","1","6","6","3","7","1") = "6"
    & skf18("6","1","6","6","3","8","1") = "7"
    & skf18("6","1","6","6","3","9","1") = "8"
    & skf18("6","1","6","6","3","10","1") = "9"
    & skf18("6","1","6","6","4","1","1") = "5"
    & skf18("6","1","6","6","4","2","1") = "5"
    & skf18("6","1","6","6","4","3","1") = "5"
    & skf18("6","1","6","6","4","4","1") = "5"
    & skf18("6","1","6","6","4","5","1") = "5"
    & skf18("6","1","6","6","4","6","1") = "5"
    & skf18("6","1","6","6","4","7","1") = "6"
    & skf18("6","1","6","6","4","8","1") = "7"
    & skf18("6","1","6","6","4","9","1") = "8"
    & skf18("6","1","6","6","4","10","1") = "9"
    & skf18("6","1","6","6","5","1","1") = "5"
    & skf18("6","1","6","6","5","2","1") = "5"
    & skf18("6","1","6","6","5","3","1") = "5"
    & skf18("6","1","6","6","5","4","1") = "5"
    & skf18("6","1","6","6","5","5","1") = "5"
    & skf18("6","1","6","6","5","6","1") = "5"
    & skf18("6","1","6","6","5","7","1") = "6"
    & skf18("6","1","6","6","5","8","1") = "7"
    & skf18("6","1","6","6","5","9","1") = "8"
    & skf18("6","1","6","6","5","10","1") = "9"
    & skf18("6","1","6","6","6","1","1") = "5"
    & skf18("6","1","6","6","6","2","1") = "5"
    & skf18("6","1","6","6","6","3","1") = "5"
    & skf18("6","1","6","6","6","4","1") = "5"
    & skf18("6","1","6","6","6","5","1") = "5"
    & skf18("6","1","6","6","6","6","1") = "5"
    & skf18("6","1","6","6","6","7","1") = "6"
    & skf18("6","1","6","6","6","8","1") = "7"
    & skf18("6","1","6","6","6","9","1") = "8"
    & skf18("6","1","6","6","6","10","1") = "9"
    & skf18("6","1","6","6","7","1","1") = "6"
    & skf18("6","1","6","6","7","2","1") = "6"
    & skf18("6","1","6","6","7","3","1") = "6"
    & skf18("6","1","6","6","7","4","1") = "6"
    & skf18("6","1","6","6","7","5","1") = "6"
    & skf18("6","1","6","6","7","6","1") = "6"
    & skf18("6","1","6","6","7","7","1") = "6"
    & skf18("6","1","6","6","7","8","1") = "7"
    & skf18("6","1","6","6","7","9","1") = "8"
    & skf18("6","1","6","6","7","10","1") = "9"
    & skf18("6","1","6","6","8","1","1") = "7"
    & skf18("6","1","6","6","8","2","1") = "7"
    & skf18("6","1","6","6","8","3","1") = "7"
    & skf18("6","1","6","6","8","4","1") = "7"
    & skf18("6","1","6","6","8","5","1") = "7"
    & skf18("6","1","6","6","8","6","1") = "7"
    & skf18("6","1","6","6","8","7","1") = "7"
    & skf18("6","1","6","6","8","8","1") = "7"
    & skf18("6","1","6","6","8","9","1") = "8"
    & skf18("6","1","6","6","8","10","1") = "9"
    & skf18("6","1","6","6","9","1","1") = "8"
    & skf18("6","1","6","6","9","2","1") = "8"
    & skf18("6","1","6","6","9","3","1") = "8"
    & skf18("6","1","6","6","9","4","1") = "8"
    & skf18("6","1","6","6","9","5","1") = "8"
    & skf18("6","1","6","6","9","6","1") = "8"
    & skf18("6","1","6","6","9","7","1") = "8"
    & skf18("6","1","6","6","9","8","1") = "8"
    & skf18("6","1","6","6","9","9","1") = "8"
    & skf18("6","1","6","6","9","10","1") = "9"
    & skf18("6","1","6","6","10","1","1") = "9"
    & skf18("6","1","6","6","10","2","1") = "9"
    & skf18("6","1","6","6","10","3","1") = "9"
    & skf18("6","1","6","6","10","4","1") = "9"
    & skf18("6","1","6","6","10","5","1") = "9"
    & skf18("6","1","6","6","10","6","1") = "9"
    & skf18("6","1","6","6","10","7","1") = "9"
    & skf18("6","1","6","6","10","8","1") = "9"
    & skf18("6","1","6","6","10","9","1") = "9"
    & skf18("6","1","6","6","10","10","1") = "9"
    & skf18("6","1","6","7","1","1","1") = "6"
    & skf18("6","1","6","7","1","2","1") = "6"
    & skf18("6","1","6","7","1","3","1") = "6"
    & skf18("6","1","6","7","1","4","1") = "6"
    & skf18("6","1","6","7","1","5","1") = "6"
    & skf18("6","1","6","7","1","6","1") = "6"
    & skf18("6","1","6","7","1","7","1") = "6"
    & skf18("6","1","6","7","1","8","1") = "7"
    & skf18("6","1","6","7","1","9","1") = "8"
    & skf18("6","1","6","7","1","10","1") = "9"
    & skf18("6","1","6","7","2","1","1") = "6"
    & skf18("6","1","6","7","2","2","1") = "6"
    & skf18("6","1","6","7","2","3","1") = "6"
    & skf18("6","1","6","7","2","4","1") = "6"
    & skf18("6","1","6","7","2","5","1") = "6"
    & skf18("6","1","6","7","2","6","1") = "6"
    & skf18("6","1","6","7","2","7","1") = "6"
    & skf18("6","1","6","7","2","8","1") = "7"
    & skf18("6","1","6","7","2","9","1") = "8"
    & skf18("6","1","6","7","2","10","1") = "9"
    & skf18("6","1","6","7","3","1","1") = "6"
    & skf18("6","1","6","7","3","2","1") = "6"
    & skf18("6","1","6","7","3","3","1") = "6"
    & skf18("6","1","6","7","3","4","1") = "6"
    & skf18("6","1","6","7","3","5","1") = "6"
    & skf18("6","1","6","7","3","6","1") = "6"
    & skf18("6","1","6","7","3","7","1") = "6"
    & skf18("6","1","6","7","3","8","1") = "7"
    & skf18("6","1","6","7","3","9","1") = "8"
    & skf18("6","1","6","7","3","10","1") = "9"
    & skf18("6","1","6","7","4","1","1") = "6"
    & skf18("6","1","6","7","4","2","1") = "6"
    & skf18("6","1","6","7","4","3","1") = "6"
    & skf18("6","1","6","7","4","4","1") = "6"
    & skf18("6","1","6","7","4","5","1") = "6"
    & skf18("6","1","6","7","4","6","1") = "6"
    & skf18("6","1","6","7","4","7","1") = "6"
    & skf18("6","1","6","7","4","8","1") = "7"
    & skf18("6","1","6","7","4","9","1") = "8"
    & skf18("6","1","6","7","4","10","1") = "9"
    & skf18("6","1","6","7","5","1","1") = "6"
    & skf18("6","1","6","7","5","2","1") = "6"
    & skf18("6","1","6","7","5","3","1") = "6"
    & skf18("6","1","6","7","5","4","1") = "6"
    & skf18("6","1","6","7","5","5","1") = "6"
    & skf18("6","1","6","7","5","6","1") = "6"
    & skf18("6","1","6","7","5","7","1") = "6"
    & skf18("6","1","6","7","5","8","1") = "7"
    & skf18("6","1","6","7","5","9","1") = "8"
    & skf18("6","1","6","7","5","10","1") = "9"
    & skf18("6","1","6","7","6","1","1") = "6"
    & skf18("6","1","6","7","6","2","1") = "6"
    & skf18("6","1","6","7","6","3","1") = "6"
    & skf18("6","1","6","7","6","4","1") = "6"
    & skf18("6","1","6","7","6","5","1") = "6"
    & skf18("6","1","6","7","6","6","1") = "6"
    & skf18("6","1","6","7","6","7","1") = "6"
    & skf18("6","1","6","7","6","8","1") = "7"
    & skf18("6","1","6","7","6","9","1") = "8"
    & skf18("6","1","6","7","6","10","1") = "9"
    & skf18("6","1","6","7","7","1","1") = "6"
    & skf18("6","1","6","7","7","2","1") = "6"
    & skf18("6","1","6","7","7","3","1") = "6"
    & skf18("6","1","6","7","7","4","1") = "6"
    & skf18("6","1","6","7","7","5","1") = "6"
    & skf18("6","1","6","7","7","6","1") = "6"
    & skf18("6","1","6","7","7","7","1") = "6"
    & skf18("6","1","6","7","7","8","1") = "7"
    & skf18("6","1","6","7","7","9","1") = "8"
    & skf18("6","1","6","7","7","10","1") = "9"
    & skf18("6","1","6","7","8","1","1") = "7"
    & skf18("6","1","6","7","8","2","1") = "7"
    & skf18("6","1","6","7","8","3","1") = "7"
    & skf18("6","1","6","7","8","4","1") = "7"
    & skf18("6","1","6","7","8","5","1") = "7"
    & skf18("6","1","6","7","8","6","1") = "7"
    & skf18("6","1","6","7","8","7","1") = "7"
    & skf18("6","1","6","7","8","8","1") = "7"
    & skf18("6","1","6","7","8","9","1") = "8"
    & skf18("6","1","6","7","8","10","1") = "9"
    & skf18("6","1","6","7","9","1","1") = "8"
    & skf18("6","1","6","7","9","2","1") = "8"
    & skf18("6","1","6","7","9","3","1") = "8"
    & skf18("6","1","6","7","9","4","1") = "8"
    & skf18("6","1","6","7","9","5","1") = "8"
    & skf18("6","1","6","7","9","6","1") = "8"
    & skf18("6","1","6","7","9","7","1") = "8"
    & skf18("6","1","6","7","9","8","1") = "8"
    & skf18("6","1","6","7","9","9","1") = "8"
    & skf18("6","1","6","7","9","10","1") = "9"
    & skf18("6","1","6","7","10","1","1") = "9"
    & skf18("6","1","6","7","10","2","1") = "9"
    & skf18("6","1","6","7","10","3","1") = "9"
    & skf18("6","1","6","7","10","4","1") = "9"
    & skf18("6","1","6","7","10","5","1") = "9"
    & skf18("6","1","6","7","10","6","1") = "9"
    & skf18("6","1","6","7","10","7","1") = "9"
    & skf18("6","1","6","7","10","8","1") = "9"
    & skf18("6","1","6","7","10","9","1") = "9"
    & skf18("6","1","6","7","10","10","1") = "9"
    & skf18("6","1","6","8","1","1","1") = "7"
    & skf18("6","1","6","8","1","2","1") = "7"
    & skf18("6","1","6","8","1","3","1") = "7"
    & skf18("6","1","6","8","1","4","1") = "7"
    & skf18("6","1","6","8","1","5","1") = "7"
    & skf18("6","1","6","8","1","6","1") = "7"
    & skf18("6","1","6","8","1","7","1") = "7"
    & skf18("6","1","6","8","1","8","1") = "7"
    & skf18("6","1","6","8","1","9","1") = "8"
    & skf18("6","1","6","8","1","10","1") = "9"
    & skf18("6","1","6","8","2","1","1") = "7"
    & skf18("6","1","6","8","2","2","1") = "7"
    & skf18("6","1","6","8","2","3","1") = "7"
    & skf18("6","1","6","8","2","4","1") = "7"
    & skf18("6","1","6","8","2","5","1") = "7"
    & skf18("6","1","6","8","2","6","1") = "7"
    & skf18("6","1","6","8","2","7","1") = "7"
    & skf18("6","1","6","8","2","8","1") = "7"
    & skf18("6","1","6","8","2","9","1") = "8"
    & skf18("6","1","6","8","2","10","1") = "9"
    & skf18("6","1","6","8","3","1","1") = "7"
    & skf18("6","1","6","8","3","2","1") = "7"
    & skf18("6","1","6","8","3","3","1") = "7"
    & skf18("6","1","6","8","3","4","1") = "7"
    & skf18("6","1","6","8","3","5","1") = "7"
    & skf18("6","1","6","8","3","6","1") = "7"
    & skf18("6","1","6","8","3","7","1") = "7"
    & skf18("6","1","6","8","3","8","1") = "7"
    & skf18("6","1","6","8","3","9","1") = "8"
    & skf18("6","1","6","8","3","10","1") = "9"
    & skf18("6","1","6","8","4","1","1") = "7"
    & skf18("6","1","6","8","4","2","1") = "7"
    & skf18("6","1","6","8","4","3","1") = "7"
    & skf18("6","1","6","8","4","4","1") = "7"
    & skf18("6","1","6","8","4","5","1") = "7"
    & skf18("6","1","6","8","4","6","1") = "7"
    & skf18("6","1","6","8","4","7","1") = "7"
    & skf18("6","1","6","8","4","8","1") = "7"
    & skf18("6","1","6","8","4","9","1") = "8"
    & skf18("6","1","6","8","4","10","1") = "9"
    & skf18("6","1","6","8","5","1","1") = "7"
    & skf18("6","1","6","8","5","2","1") = "7"
    & skf18("6","1","6","8","5","3","1") = "7"
    & skf18("6","1","6","8","5","4","1") = "7"
    & skf18("6","1","6","8","5","5","1") = "7"
    & skf18("6","1","6","8","5","6","1") = "7"
    & skf18("6","1","6","8","5","7","1") = "7"
    & skf18("6","1","6","8","5","8","1") = "7"
    & skf18("6","1","6","8","5","9","1") = "8"
    & skf18("6","1","6","8","5","10","1") = "9"
    & skf18("6","1","6","8","6","1","1") = "7"
    & skf18("6","1","6","8","6","2","1") = "7"
    & skf18("6","1","6","8","6","3","1") = "7"
    & skf18("6","1","6","8","6","4","1") = "7"
    & skf18("6","1","6","8","6","5","1") = "7"
    & skf18("6","1","6","8","6","6","1") = "7"
    & skf18("6","1","6","8","6","7","1") = "7"
    & skf18("6","1","6","8","6","8","1") = "7"
    & skf18("6","1","6","8","6","9","1") = "8"
    & skf18("6","1","6","8","6","10","1") = "9"
    & skf18("6","1","6","8","7","1","1") = "7"
    & skf18("6","1","6","8","7","2","1") = "7"
    & skf18("6","1","6","8","7","3","1") = "7"
    & skf18("6","1","6","8","7","4","1") = "7"
    & skf18("6","1","6","8","7","5","1") = "7"
    & skf18("6","1","6","8","7","6","1") = "7"
    & skf18("6","1","6","8","7","7","1") = "7"
    & skf18("6","1","6","8","7","8","1") = "7"
    & skf18("6","1","6","8","7","9","1") = "8"
    & skf18("6","1","6","8","7","10","1") = "9"
    & skf18("6","1","6","8","8","1","1") = "7"
    & skf18("6","1","6","8","8","2","1") = "7"
    & skf18("6","1","6","8","8","3","1") = "7"
    & skf18("6","1","6","8","8","4","1") = "7"
    & skf18("6","1","6","8","8","5","1") = "7"
    & skf18("6","1","6","8","8","6","1") = "7"
    & skf18("6","1","6","8","8","7","1") = "7"
    & skf18("6","1","6","8","8","8","1") = "7"
    & skf18("6","1","6","8","8","9","1") = "8"
    & skf18("6","1","6","8","8","10","1") = "9"
    & skf18("6","1","6","8","9","1","1") = "8"
    & skf18("6","1","6","8","9","2","1") = "8"
    & skf18("6","1","6","8","9","3","1") = "8"
    & skf18("6","1","6","8","9","4","1") = "8"
    & skf18("6","1","6","8","9","5","1") = "8"
    & skf18("6","1","6","8","9","6","1") = "8"
    & skf18("6","1","6","8","9","7","1") = "8"
    & skf18("6","1","6","8","9","8","1") = "8"
    & skf18("6","1","6","8","9","9","1") = "8"
    & skf18("6","1","6","8","9","10","1") = "9"
    & skf18("6","1","6","8","10","1","1") = "9"
    & skf18("6","1","6","8","10","2","1") = "9"
    & skf18("6","1","6","8","10","3","1") = "9"
    & skf18("6","1","6","8","10","4","1") = "9"
    & skf18("6","1","6","8","10","5","1") = "9"
    & skf18("6","1","6","8","10","6","1") = "9"
    & skf18("6","1","6","8","10","7","1") = "9"
    & skf18("6","1","6","8","10","8","1") = "9"
    & skf18("6","1","6","8","10","9","1") = "9"
    & skf18("6","1","6","8","10","10","1") = "9"
    & skf18("6","1","6","9","1","1","1") = "8"
    & skf18("6","1","6","9","1","2","1") = "8"
    & skf18("6","1","6","9","1","3","1") = "8"
    & skf18("6","1","6","9","1","4","1") = "8"
    & skf18("6","1","6","9","1","5","1") = "8"
    & skf18("6","1","6","9","1","6","1") = "8"
    & skf18("6","1","6","9","1","7","1") = "8"
    & skf18("6","1","6","9","1","8","1") = "8"
    & skf18("6","1","6","9","1","9","1") = "8"
    & skf18("6","1","6","9","1","10","1") = "9"
    & skf18("6","1","6","9","2","1","1") = "8"
    & skf18("6","1","6","9","2","2","1") = "8"
    & skf18("6","1","6","9","2","3","1") = "8"
    & skf18("6","1","6","9","2","4","1") = "8"
    & skf18("6","1","6","9","2","5","1") = "8"
    & skf18("6","1","6","9","2","6","1") = "8"
    & skf18("6","1","6","9","2","7","1") = "8"
    & skf18("6","1","6","9","2","8","1") = "8"
    & skf18("6","1","6","9","2","9","1") = "8"
    & skf18("6","1","6","9","2","10","1") = "9"
    & skf18("6","1","6","9","3","1","1") = "8"
    & skf18("6","1","6","9","3","2","1") = "8"
    & skf18("6","1","6","9","3","3","1") = "8"
    & skf18("6","1","6","9","3","4","1") = "8"
    & skf18("6","1","6","9","3","5","1") = "8"
    & skf18("6","1","6","9","3","6","1") = "8"
    & skf18("6","1","6","9","3","7","1") = "8"
    & skf18("6","1","6","9","3","8","1") = "8"
    & skf18("6","1","6","9","3","9","1") = "8"
    & skf18("6","1","6","9","3","10","1") = "9"
    & skf18("6","1","6","9","4","1","1") = "8"
    & skf18("6","1","6","9","4","2","1") = "8"
    & skf18("6","1","6","9","4","3","1") = "8"
    & skf18("6","1","6","9","4","4","1") = "8"
    & skf18("6","1","6","9","4","5","1") = "8"
    & skf18("6","1","6","9","4","6","1") = "8"
    & skf18("6","1","6","9","4","7","1") = "8"
    & skf18("6","1","6","9","4","8","1") = "8"
    & skf18("6","1","6","9","4","9","1") = "8"
    & skf18("6","1","6","9","4","10","1") = "9"
    & skf18("6","1","6","9","5","1","1") = "8"
    & skf18("6","1","6","9","5","2","1") = "8"
    & skf18("6","1","6","9","5","3","1") = "8"
    & skf18("6","1","6","9","5","4","1") = "8"
    & skf18("6","1","6","9","5","5","1") = "8"
    & skf18("6","1","6","9","5","6","1") = "8"
    & skf18("6","1","6","9","5","7","1") = "8"
    & skf18("6","1","6","9","5","8","1") = "8"
    & skf18("6","1","6","9","5","9","1") = "8"
    & skf18("6","1","6","9","5","10","1") = "9"
    & skf18("6","1","6","9","6","1","1") = "8"
    & skf18("6","1","6","9","6","2","1") = "8"
    & skf18("6","1","6","9","6","3","1") = "8"
    & skf18("6","1","6","9","6","4","1") = "8"
    & skf18("6","1","6","9","6","5","1") = "8"
    & skf18("6","1","6","9","6","6","1") = "8"
    & skf18("6","1","6","9","6","7","1") = "8"
    & skf18("6","1","6","9","6","8","1") = "8"
    & skf18("6","1","6","9","6","9","1") = "8"
    & skf18("6","1","6","9","6","10","1") = "9"
    & skf18("6","1","6","9","7","1","1") = "8"
    & skf18("6","1","6","9","7","2","1") = "8"
    & skf18("6","1","6","9","7","3","1") = "8"
    & skf18("6","1","6","9","7","4","1") = "8"
    & skf18("6","1","6","9","7","5","1") = "8"
    & skf18("6","1","6","9","7","6","1") = "8"
    & skf18("6","1","6","9","7","7","1") = "8"
    & skf18("6","1","6","9","7","8","1") = "8"
    & skf18("6","1","6","9","7","9","1") = "8"
    & skf18("6","1","6","9","7","10","1") = "9"
    & skf18("6","1","6","9","8","1","1") = "8"
    & skf18("6","1","6","9","8","2","1") = "8"
    & skf18("6","1","6","9","8","3","1") = "8"
    & skf18("6","1","6","9","8","4","1") = "8"
    & skf18("6","1","6","9","8","5","1") = "8"
    & skf18("6","1","6","9","8","6","1") = "8"
    & skf18("6","1","6","9","8","7","1") = "8"
    & skf18("6","1","6","9","8","8","1") = "8"
    & skf18("6","1","6","9","8","9","1") = "8"
    & skf18("6","1","6","9","8","10","1") = "9"
    & skf18("6","1","6","9","9","1","1") = "8"
    & skf18("6","1","6","9","9","2","1") = "8"
    & skf18("6","1","6","9","9","3","1") = "8"
    & skf18("6","1","6","9","9","4","1") = "8"
    & skf18("6","1","6","9","9","5","1") = "8"
    & skf18("6","1","6","9","9","6","1") = "8"
    & skf18("6","1","6","9","9","7","1") = "8"
    & skf18("6","1","6","9","9","8","1") = "8"
    & skf18("6","1","6","9","9","9","1") = "8"
    & skf18("6","1","6","9","9","10","1") = "9"
    & skf18("6","1","6","9","10","1","1") = "9"
    & skf18("6","1","6","9","10","2","1") = "9"
    & skf18("6","1","6","9","10","3","1") = "9"
    & skf18("6","1","6","9","10","4","1") = "9"
    & skf18("6","1","6","9","10","5","1") = "9"
    & skf18("6","1","6","9","10","6","1") = "9"
    & skf18("6","1","6","9","10","7","1") = "9"
    & skf18("6","1","6","9","10","8","1") = "9"
    & skf18("6","1","6","9","10","9","1") = "9"
    & skf18("6","1","6","9","10","10","1") = "9"
    & skf18("6","1","6","10","1","1","1") = "9"
    & skf18("6","1","6","10","1","2","1") = "9"
    & skf18("6","1","6","10","1","3","1") = "9"
    & skf18("6","1","6","10","1","4","1") = "9"
    & skf18("6","1","6","10","1","5","1") = "9"
    & skf18("6","1","6","10","1","6","1") = "9"
    & skf18("6","1","6","10","1","7","1") = "9"
    & skf18("6","1","6","10","1","8","1") = "9"
    & skf18("6","1","6","10","1","9","1") = "9"
    & skf18("6","1","6","10","1","10","1") = "9"
    & skf18("6","1","6","10","2","1","1") = "9"
    & skf18("6","1","6","10","2","2","1") = "9"
    & skf18("6","1","6","10","2","3","1") = "9"
    & skf18("6","1","6","10","2","4","1") = "9"
    & skf18("6","1","6","10","2","5","1") = "9"
    & skf18("6","1","6","10","2","6","1") = "9"
    & skf18("6","1","6","10","2","7","1") = "9"
    & skf18("6","1","6","10","2","8","1") = "9"
    & skf18("6","1","6","10","2","9","1") = "9"
    & skf18("6","1","6","10","2","10","1") = "9"
    & skf18("6","1","6","10","3","1","1") = "9"
    & skf18("6","1","6","10","3","2","1") = "9"
    & skf18("6","1","6","10","3","3","1") = "9"
    & skf18("6","1","6","10","3","4","1") = "9"
    & skf18("6","1","6","10","3","5","1") = "9"
    & skf18("6","1","6","10","3","6","1") = "9"
    & skf18("6","1","6","10","3","7","1") = "9"
    & skf18("6","1","6","10","3","8","1") = "9"
    & skf18("6","1","6","10","3","9","1") = "9"
    & skf18("6","1","6","10","3","10","1") = "9"
    & skf18("6","1","6","10","4","1","1") = "9"
    & skf18("6","1","6","10","4","2","1") = "9"
    & skf18("6","1","6","10","4","3","1") = "9"
    & skf18("6","1","6","10","4","4","1") = "9"
    & skf18("6","1","6","10","4","5","1") = "9"
    & skf18("6","1","6","10","4","6","1") = "9"
    & skf18("6","1","6","10","4","7","1") = "9"
    & skf18("6","1","6","10","4","8","1") = "9"
    & skf18("6","1","6","10","4","9","1") = "9"
    & skf18("6","1","6","10","4","10","1") = "9"
    & skf18("6","1","6","10","5","1","1") = "9"
    & skf18("6","1","6","10","5","2","1") = "9"
    & skf18("6","1","6","10","5","3","1") = "9"
    & skf18("6","1","6","10","5","4","1") = "9"
    & skf18("6","1","6","10","5","5","1") = "9"
    & skf18("6","1","6","10","5","6","1") = "9"
    & skf18("6","1","6","10","5","7","1") = "9"
    & skf18("6","1","6","10","5","8","1") = "9"
    & skf18("6","1","6","10","5","9","1") = "9"
    & skf18("6","1","6","10","5","10","1") = "9"
    & skf18("6","1","6","10","6","1","1") = "9"
    & skf18("6","1","6","10","6","2","1") = "9"
    & skf18("6","1","6","10","6","3","1") = "9"
    & skf18("6","1","6","10","6","4","1") = "9"
    & skf18("6","1","6","10","6","5","1") = "9"
    & skf18("6","1","6","10","6","6","1") = "9"
    & skf18("6","1","6","10","6","7","1") = "9"
    & skf18("6","1","6","10","6","8","1") = "9"
    & skf18("6","1","6","10","6","9","1") = "9"
    & skf18("6","1","6","10","6","10","1") = "9"
    & skf18("6","1","6","10","7","1","1") = "9"
    & skf18("6","1","6","10","7","2","1") = "9"
    & skf18("6","1","6","10","7","3","1") = "9"
    & skf18("6","1","6","10","7","4","1") = "9"
    & skf18("6","1","6","10","7","5","1") = "9"
    & skf18("6","1","6","10","7","6","1") = "9"
    & skf18("6","1","6","10","7","7","1") = "9"
    & skf18("6","1","6","10","7","8","1") = "9"
    & skf18("6","1","6","10","7","9","1") = "9"
    & skf18("6","1","6","10","7","10","1") = "9"
    & skf18("6","1","6","10","8","1","1") = "9"
    & skf18("6","1","6","10","8","2","1") = "9"
    & skf18("6","1","6","10","8","3","1") = "9"
    & skf18("6","1","6","10","8","4","1") = "9"
    & skf18("6","1","6","10","8","5","1") = "9"
    & skf18("6","1","6","10","8","6","1") = "9"
    & skf18("6","1","6","10","8","7","1") = "9"
    & skf18("6","1","6","10","8","8","1") = "9"
    & skf18("6","1","6","10","8","9","1") = "9"
    & skf18("6","1","6","10","8","10","1") = "9"
    & skf18("6","1","6","10","9","1","1") = "9"
    & skf18("6","1","6","10","9","2","1") = "9"
    & skf18("6","1","6","10","9","3","1") = "9"
    & skf18("6","1","6","10","9","4","1") = "9"
    & skf18("6","1","6","10","9","5","1") = "9"
    & skf18("6","1","6","10","9","6","1") = "9"
    & skf18("6","1","6","10","9","7","1") = "9"
    & skf18("6","1","6","10","9","8","1") = "9"
    & skf18("6","1","6","10","9","9","1") = "9"
    & skf18("6","1","6","10","9","10","1") = "9"
    & skf18("6","1","6","10","10","1","1") = "9"
    & skf18("6","1","6","10","10","2","1") = "9"
    & skf18("6","1","6","10","10","3","1") = "9"
    & skf18("6","1","6","10","10","4","1") = "9"
    & skf18("6","1","6","10","10","5","1") = "9"
    & skf18("6","1","6","10","10","6","1") = "9"
    & skf18("6","1","6","10","10","7","1") = "9"
    & skf18("6","1","6","10","10","8","1") = "9"
    & skf18("6","1","6","10","10","9","1") = "9"
    & skf18("6","1","6","10","10","10","1") = "9"
    & skf18("6","1","7","1","1","1","1") = "6"
    & skf18("6","1","7","1","1","2","1") = "6"
    & skf18("6","1","7","1","1","3","1") = "6"
    & skf18("6","1","7","1","1","4","1") = "6"
    & skf18("6","1","7","1","1","5","1") = "6"
    & skf18("6","1","7","1","1","6","1") = "6"
    & skf18("6","1","7","1","1","7","1") = "6"
    & skf18("6","1","7","1","1","8","1") = "7"
    & skf18("6","1","7","1","1","9","1") = "8"
    & skf18("6","1","7","1","1","10","1") = "9"
    & skf18("6","1","7","1","2","1","1") = "6"
    & skf18("6","1","7","1","2","2","1") = "6"
    & skf18("6","1","7","1","2","3","1") = "6"
    & skf18("6","1","7","1","2","4","1") = "6"
    & skf18("6","1","7","1","2","5","1") = "6"
    & skf18("6","1","7","1","2","6","1") = "6"
    & skf18("6","1","7","1","2","7","1") = "6"
    & skf18("6","1","7","1","2","8","1") = "7"
    & skf18("6","1","7","1","2","9","1") = "8"
    & skf18("6","1","7","1","2","10","1") = "9"
    & skf18("6","1","7","1","3","1","1") = "6"
    & skf18("6","1","7","1","3","2","1") = "6"
    & skf18("6","1","7","1","3","3","1") = "6"
    & skf18("6","1","7","1","3","4","1") = "6"
    & skf18("6","1","7","1","3","5","1") = "6"
    & skf18("6","1","7","1","3","6","1") = "6"
    & skf18("6","1","7","1","3","7","1") = "6"
    & skf18("6","1","7","1","3","8","1") = "7"
    & skf18("6","1","7","1","3","9","1") = "8"
    & skf18("6","1","7","1","3","10","1") = "9"
    & skf18("6","1","7","1","4","1","1") = "6"
    & skf18("6","1","7","1","4","2","1") = "6"
    & skf18("6","1","7","1","4","3","1") = "6"
    & skf18("6","1","7","1","4","4","1") = "6"
    & skf18("6","1","7","1","4","5","1") = "6"
    & skf18("6","1","7","1","4","6","1") = "6"
    & skf18("6","1","7","1","4","7","1") = "6"
    & skf18("6","1","7","1","4","8","1") = "7"
    & skf18("6","1","7","1","4","9","1") = "8"
    & skf18("6","1","7","1","4","10","1") = "9"
    & skf18("6","1","7","1","5","1","1") = "6"
    & skf18("6","1","7","1","5","2","1") = "6"
    & skf18("6","1","7","1","5","3","1") = "6"
    & skf18("6","1","7","1","5","4","1") = "6"
    & skf18("6","1","7","1","5","5","1") = "6"
    & skf18("6","1","7","1","5","6","1") = "6"
    & skf18("6","1","7","1","5","7","1") = "6"
    & skf18("6","1","7","1","5","8","1") = "7"
    & skf18("6","1","7","1","5","9","1") = "8"
    & skf18("6","1","7","1","5","10","1") = "9"
    & skf18("6","1","7","1","6","1","1") = "6"
    & skf18("6","1","7","1","6","2","1") = "6"
    & skf18("6","1","7","1","6","3","1") = "6"
    & skf18("6","1","7","1","6","4","1") = "6"
    & skf18("6","1","7","1","6","5","1") = "6"
    & skf18("6","1","7","1","6","6","1") = "6"
    & skf18("6","1","7","1","6","7","1") = "6"
    & skf18("6","1","7","1","6","8","1") = "7"
    & skf18("6","1","7","1","6","9","1") = "8"
    & skf18("6","1","7","1","6","10","1") = "9"
    & skf18("6","1","7","1","7","1","1") = "6"
    & skf18("6","1","7","1","7","2","1") = "6"
    & skf18("6","1","7","1","7","3","1") = "6"
    & skf18("6","1","7","1","7","4","1") = "6"
    & skf18("6","1","7","1","7","5","1") = "6"
    & skf18("6","1","7","1","7","6","1") = "6"
    & skf18("6","1","7","1","7","7","1") = "6"
    & skf18("6","1","7","1","7","8","1") = "7"
    & skf18("6","1","7","1","7","9","1") = "8"
    & skf18("6","1","7","1","7","10","1") = "9"
    & skf18("6","1","7","1","8","1","1") = "7"
    & skf18("6","1","7","1","8","2","1") = "7"
    & skf18("6","1","7","1","8","3","1") = "7"
    & skf18("6","1","7","1","8","4","1") = "7"
    & skf18("6","1","7","1","8","5","1") = "7"
    & skf18("6","1","7","1","8","6","1") = "7"
    & skf18("6","1","7","1","8","7","1") = "7"
    & skf18("6","1","7","1","8","8","1") = "7"
    & skf18("6","1","7","1","8","9","1") = "8"
    & skf18("6","1","7","1","8","10","1") = "9"
    & skf18("6","1","7","1","9","1","1") = "8"
    & skf18("6","1","7","1","9","2","1") = "8"
    & skf18("6","1","7","1","9","3","1") = "8"
    & skf18("6","1","7","1","9","4","1") = "8"
    & skf18("6","1","7","1","9","5","1") = "8"
    & skf18("6","1","7","1","9","6","1") = "8"
    & skf18("6","1","7","1","9","7","1") = "8"
    & skf18("6","1","7","1","9","8","1") = "8"
    & skf18("6","1","7","1","9","9","1") = "8"
    & skf18("6","1","7","1","9","10","1") = "9"
    & skf18("6","1","7","1","10","1","1") = "9"
    & skf18("6","1","7","1","10","2","1") = "9"
    & skf18("6","1","7","1","10","3","1") = "9"
    & skf18("6","1","7","1","10","4","1") = "9"
    & skf18("6","1","7","1","10","5","1") = "9"
    & skf18("6","1","7","1","10","6","1") = "9"
    & skf18("6","1","7","1","10","7","1") = "9"
    & skf18("6","1","7","1","10","8","1") = "9"
    & skf18("6","1","7","1","10","9","1") = "9"
    & skf18("6","1","7","1","10","10","1") = "9"
    & skf18("6","1","7","2","1","1","1") = "6"
    & skf18("6","1","7","2","1","2","1") = "6"
    & skf18("6","1","7","2","1","3","1") = "6"
    & skf18("6","1","7","2","1","4","1") = "6"
    & skf18("6","1","7","2","1","5","1") = "6"
    & skf18("6","1","7","2","1","6","1") = "6"
    & skf18("6","1","7","2","1","7","1") = "6"
    & skf18("6","1","7","2","1","8","1") = "7"
    & skf18("6","1","7","2","1","9","1") = "8"
    & skf18("6","1","7","2","1","10","1") = "9"
    & skf18("6","1","7","2","2","1","1") = "6"
    & skf18("6","1","7","2","2","2","1") = "6"
    & skf18("6","1","7","2","2","3","1") = "6"
    & skf18("6","1","7","2","2","4","1") = "6"
    & skf18("6","1","7","2","2","5","1") = "6"
    & skf18("6","1","7","2","2","6","1") = "6"
    & skf18("6","1","7","2","2","7","1") = "6"
    & skf18("6","1","7","2","2","8","1") = "7"
    & skf18("6","1","7","2","2","9","1") = "8"
    & skf18("6","1","7","2","2","10","1") = "9"
    & skf18("6","1","7","2","3","1","1") = "6"
    & skf18("6","1","7","2","3","2","1") = "6"
    & skf18("6","1","7","2","3","3","1") = "6"
    & skf18("6","1","7","2","3","4","1") = "6"
    & skf18("6","1","7","2","3","5","1") = "6"
    & skf18("6","1","7","2","3","6","1") = "6"
    & skf18("6","1","7","2","3","7","1") = "6"
    & skf18("6","1","7","2","3","8","1") = "7"
    & skf18("6","1","7","2","3","9","1") = "8"
    & skf18("6","1","7","2","3","10","1") = "9"
    & skf18("6","1","7","2","4","1","1") = "6"
    & skf18("6","1","7","2","4","2","1") = "6"
    & skf18("6","1","7","2","4","3","1") = "6"
    & skf18("6","1","7","2","4","4","1") = "6"
    & skf18("6","1","7","2","4","5","1") = "6"
    & skf18("6","1","7","2","4","6","1") = "6"
    & skf18("6","1","7","2","4","7","1") = "6"
    & skf18("6","1","7","2","4","8","1") = "7"
    & skf18("6","1","7","2","4","9","1") = "8"
    & skf18("6","1","7","2","4","10","1") = "9"
    & skf18("6","1","7","2","5","1","1") = "6"
    & skf18("6","1","7","2","5","2","1") = "6"
    & skf18("6","1","7","2","5","3","1") = "6"
    & skf18("6","1","7","2","5","4","1") = "6"
    & skf18("6","1","7","2","5","5","1") = "6"
    & skf18("6","1","7","2","5","6","1") = "6"
    & skf18("6","1","7","2","5","7","1") = "6"
    & skf18("6","1","7","2","5","8","1") = "7"
    & skf18("6","1","7","2","5","9","1") = "8"
    & skf18("6","1","7","2","5","10","1") = "9"
    & skf18("6","1","7","2","6","1","1") = "6"
    & skf18("6","1","7","2","6","2","1") = "6"
    & skf18("6","1","7","2","6","3","1") = "6"
    & skf18("6","1","7","2","6","4","1") = "6"
    & skf18("6","1","7","2","6","5","1") = "6"
    & skf18("6","1","7","2","6","6","1") = "6"
    & skf18("6","1","7","2","6","7","1") = "6"
    & skf18("6","1","7","2","6","8","1") = "7"
    & skf18("6","1","7","2","6","9","1") = "8"
    & skf18("6","1","7","2","6","10","1") = "9"
    & skf18("6","1","7","2","7","1","1") = "6"
    & skf18("6","1","7","2","7","2","1") = "6"
    & skf18("6","1","7","2","7","3","1") = "6"
    & skf18("6","1","7","2","7","4","1") = "6"
    & skf18("6","1","7","2","7","5","1") = "6"
    & skf18("6","1","7","2","7","6","1") = "6"
    & skf18("6","1","7","2","7","7","1") = "6"
    & skf18("6","1","7","2","7","8","1") = "7"
    & skf18("6","1","7","2","7","9","1") = "8"
    & skf18("6","1","7","2","7","10","1") = "9"
    & skf18("6","1","7","2","8","1","1") = "7"
    & skf18("6","1","7","2","8","2","1") = "7"
    & skf18("6","1","7","2","8","3","1") = "7"
    & skf18("6","1","7","2","8","4","1") = "7"
    & skf18("6","1","7","2","8","5","1") = "7"
    & skf18("6","1","7","2","8","6","1") = "7"
    & skf18("6","1","7","2","8","7","1") = "7"
    & skf18("6","1","7","2","8","8","1") = "7"
    & skf18("6","1","7","2","8","9","1") = "8"
    & skf18("6","1","7","2","8","10","1") = "9"
    & skf18("6","1","7","2","9","1","1") = "8"
    & skf18("6","1","7","2","9","2","1") = "8"
    & skf18("6","1","7","2","9","3","1") = "8"
    & skf18("6","1","7","2","9","4","1") = "8"
    & skf18("6","1","7","2","9","5","1") = "8"
    & skf18("6","1","7","2","9","6","1") = "8"
    & skf18("6","1","7","2","9","7","1") = "8"
    & skf18("6","1","7","2","9","8","1") = "8"
    & skf18("6","1","7","2","9","9","1") = "8"
    & skf18("6","1","7","2","9","10","1") = "9"
    & skf18("6","1","7","2","10","1","1") = "9"
    & skf18("6","1","7","2","10","2","1") = "9"
    & skf18("6","1","7","2","10","3","1") = "9"
    & skf18("6","1","7","2","10","4","1") = "9"
    & skf18("6","1","7","2","10","5","1") = "9"
    & skf18("6","1","7","2","10","6","1") = "9"
    & skf18("6","1","7","2","10","7","1") = "9"
    & skf18("6","1","7","2","10","8","1") = "9"
    & skf18("6","1","7","2","10","9","1") = "9"
    & skf18("6","1","7","2","10","10","1") = "9"
    & skf18("6","1","7","3","1","1","1") = "6"
    & skf18("6","1","7","3","1","2","1") = "6"
    & skf18("6","1","7","3","1","3","1") = "6"
    & skf18("6","1","7","3","1","4","1") = "6"
    & skf18("6","1","7","3","1","5","1") = "6"
    & skf18("6","1","7","3","1","6","1") = "6"
    & skf18("6","1","7","3","1","7","1") = "6"
    & skf18("6","1","7","3","1","8","1") = "7"
    & skf18("6","1","7","3","1","9","1") = "8"
    & skf18("6","1","7","3","1","10","1") = "9"
    & skf18("6","1","7","3","2","1","1") = "6"
    & skf18("6","1","7","3","2","2","1") = "6"
    & skf18("6","1","7","3","2","3","1") = "6"
    & skf18("6","1","7","3","2","4","1") = "6"
    & skf18("6","1","7","3","2","5","1") = "6"
    & skf18("6","1","7","3","2","6","1") = "6"
    & skf18("6","1","7","3","2","7","1") = "6"
    & skf18("6","1","7","3","2","8","1") = "7"
    & skf18("6","1","7","3","2","9","1") = "8"
    & skf18("6","1","7","3","2","10","1") = "9"
    & skf18("6","1","7","3","3","1","1") = "6"
    & skf18("6","1","7","3","3","2","1") = "6"
    & skf18("6","1","7","3","3","3","1") = "6"
    & skf18("6","1","7","3","3","4","1") = "6"
    & skf18("6","1","7","3","3","5","1") = "6"
    & skf18("6","1","7","3","3","6","1") = "6"
    & skf18("6","1","7","3","3","7","1") = "6"
    & skf18("6","1","7","3","3","8","1") = "7"
    & skf18("6","1","7","3","3","9","1") = "8"
    & skf18("6","1","7","3","3","10","1") = "9"
    & skf18("6","1","7","3","4","1","1") = "6"
    & skf18("6","1","7","3","4","2","1") = "6"
    & skf18("6","1","7","3","4","3","1") = "6"
    & skf18("6","1","7","3","4","4","1") = "6"
    & skf18("6","1","7","3","4","5","1") = "6"
    & skf18("6","1","7","3","4","6","1") = "6"
    & skf18("6","1","7","3","4","7","1") = "6"
    & skf18("6","1","7","3","4","8","1") = "7"
    & skf18("6","1","7","3","4","9","1") = "8"
    & skf18("6","1","7","3","4","10","1") = "9"
    & skf18("6","1","7","3","5","1","1") = "6"
    & skf18("6","1","7","3","5","2","1") = "6"
    & skf18("6","1","7","3","5","3","1") = "6"
    & skf18("6","1","7","3","5","4","1") = "6"
    & skf18("6","1","7","3","5","5","1") = "6"
    & skf18("6","1","7","3","5","6","1") = "6"
    & skf18("6","1","7","3","5","7","1") = "6"
    & skf18("6","1","7","3","5","8","1") = "7"
    & skf18("6","1","7","3","5","9","1") = "8"
    & skf18("6","1","7","3","5","10","1") = "9"
    & skf18("6","1","7","3","6","1","1") = "6"
    & skf18("6","1","7","3","6","2","1") = "6"
    & skf18("6","1","7","3","6","3","1") = "6"
    & skf18("6","1","7","3","6","4","1") = "6"
    & skf18("6","1","7","3","6","5","1") = "6"
    & skf18("6","1","7","3","6","6","1") = "6"
    & skf18("6","1","7","3","6","7","1") = "6"
    & skf18("6","1","7","3","6","8","1") = "7"
    & skf18("6","1","7","3","6","9","1") = "8"
    & skf18("6","1","7","3","6","10","1") = "9"
    & skf18("6","1","7","3","7","1","1") = "6"
    & skf18("6","1","7","3","7","2","1") = "6"
    & skf18("6","1","7","3","7","3","1") = "6"
    & skf18("6","1","7","3","7","4","1") = "6"
    & skf18("6","1","7","3","7","5","1") = "6"
    & skf18("6","1","7","3","7","6","1") = "6"
    & skf18("6","1","7","3","7","7","1") = "6"
    & skf18("6","1","7","3","7","8","1") = "7"
    & skf18("6","1","7","3","7","9","1") = "8"
    & skf18("6","1","7","3","7","10","1") = "9"
    & skf18("6","1","7","3","8","1","1") = "7"
    & skf18("6","1","7","3","8","2","1") = "7"
    & skf18("6","1","7","3","8","3","1") = "7"
    & skf18("6","1","7","3","8","4","1") = "7"
    & skf18("6","1","7","3","8","5","1") = "7"
    & skf18("6","1","7","3","8","6","1") = "7"
    & skf18("6","1","7","3","8","7","1") = "7"
    & skf18("6","1","7","3","8","8","1") = "7"
    & skf18("6","1","7","3","8","9","1") = "8"
    & skf18("6","1","7","3","8","10","1") = "9"
    & skf18("6","1","7","3","9","1","1") = "8"
    & skf18("6","1","7","3","9","2","1") = "8"
    & skf18("6","1","7","3","9","3","1") = "8"
    & skf18("6","1","7","3","9","4","1") = "8"
    & skf18("6","1","7","3","9","5","1") = "8"
    & skf18("6","1","7","3","9","6","1") = "8"
    & skf18("6","1","7","3","9","7","1") = "8"
    & skf18("6","1","7","3","9","8","1") = "8"
    & skf18("6","1","7","3","9","9","1") = "8"
    & skf18("6","1","7","3","9","10","1") = "9"
    & skf18("6","1","7","3","10","1","1") = "9"
    & skf18("6","1","7","3","10","2","1") = "9"
    & skf18("6","1","7","3","10","3","1") = "9"
    & skf18("6","1","7","3","10","4","1") = "9"
    & skf18("6","1","7","3","10","5","1") = "9"
    & skf18("6","1","7","3","10","6","1") = "9"
    & skf18("6","1","7","3","10","7","1") = "9"
    & skf18("6","1","7","3","10","8","1") = "9"
    & skf18("6","1","7","3","10","9","1") = "9"
    & skf18("6","1","7","3","10","10","1") = "9"
    & skf18("6","1","7","4","1","1","1") = "6"
    & skf18("6","1","7","4","1","2","1") = "6"
    & skf18("6","1","7","4","1","3","1") = "6"
    & skf18("6","1","7","4","1","4","1") = "6"
    & skf18("6","1","7","4","1","5","1") = "6"
    & skf18("6","1","7","4","1","6","1") = "6"
    & skf18("6","1","7","4","1","7","1") = "6"
    & skf18("6","1","7","4","1","8","1") = "7"
    & skf18("6","1","7","4","1","9","1") = "8"
    & skf18("6","1","7","4","1","10","1") = "9"
    & skf18("6","1","7","4","2","1","1") = "6"
    & skf18("6","1","7","4","2","2","1") = "6"
    & skf18("6","1","7","4","2","3","1") = "6"
    & skf18("6","1","7","4","2","4","1") = "6"
    & skf18("6","1","7","4","2","5","1") = "6"
    & skf18("6","1","7","4","2","6","1") = "6"
    & skf18("6","1","7","4","2","7","1") = "6"
    & skf18("6","1","7","4","2","8","1") = "7"
    & skf18("6","1","7","4","2","9","1") = "8"
    & skf18("6","1","7","4","2","10","1") = "9"
    & skf18("6","1","7","4","3","1","1") = "6"
    & skf18("6","1","7","4","3","2","1") = "6"
    & skf18("6","1","7","4","3","3","1") = "6"
    & skf18("6","1","7","4","3","4","1") = "6"
    & skf18("6","1","7","4","3","5","1") = "6"
    & skf18("6","1","7","4","3","6","1") = "6"
    & skf18("6","1","7","4","3","7","1") = "6"
    & skf18("6","1","7","4","3","8","1") = "7"
    & skf18("6","1","7","4","3","9","1") = "8"
    & skf18("6","1","7","4","3","10","1") = "9"
    & skf18("6","1","7","4","4","1","1") = "6"
    & skf18("6","1","7","4","4","2","1") = "6"
    & skf18("6","1","7","4","4","3","1") = "6"
    & skf18("6","1","7","4","4","4","1") = "6"
    & skf18("6","1","7","4","4","5","1") = "6"
    & skf18("6","1","7","4","4","6","1") = "6"
    & skf18("6","1","7","4","4","7","1") = "6"
    & skf18("6","1","7","4","4","8","1") = "7"
    & skf18("6","1","7","4","4","9","1") = "8"
    & skf18("6","1","7","4","4","10","1") = "9"
    & skf18("6","1","7","4","5","1","1") = "6"
    & skf18("6","1","7","4","5","2","1") = "6"
    & skf18("6","1","7","4","5","3","1") = "6"
    & skf18("6","1","7","4","5","4","1") = "6"
    & skf18("6","1","7","4","5","5","1") = "6"
    & skf18("6","1","7","4","5","6","1") = "6"
    & skf18("6","1","7","4","5","7","1") = "6"
    & skf18("6","1","7","4","5","8","1") = "7"
    & skf18("6","1","7","4","5","9","1") = "8"
    & skf18("6","1","7","4","5","10","1") = "9"
    & skf18("6","1","7","4","6","1","1") = "6"
    & skf18("6","1","7","4","6","2","1") = "6"
    & skf18("6","1","7","4","6","3","1") = "6"
    & skf18("6","1","7","4","6","4","1") = "6"
    & skf18("6","1","7","4","6","5","1") = "6"
    & skf18("6","1","7","4","6","6","1") = "6"
    & skf18("6","1","7","4","6","7","1") = "6"
    & skf18("6","1","7","4","6","8","1") = "7"
    & skf18("6","1","7","4","6","9","1") = "8"
    & skf18("6","1","7","4","6","10","1") = "9"
    & skf18("6","1","7","4","7","1","1") = "6"
    & skf18("6","1","7","4","7","2","1") = "6"
    & skf18("6","1","7","4","7","3","1") = "6"
    & skf18("6","1","7","4","7","4","1") = "6"
    & skf18("6","1","7","4","7","5","1") = "6"
    & skf18("6","1","7","4","7","6","1") = "6"
    & skf18("6","1","7","4","7","7","1") = "6"
    & skf18("6","1","7","4","7","8","1") = "7"
    & skf18("6","1","7","4","7","9","1") = "8"
    & skf18("6","1","7","4","7","10","1") = "9"
    & skf18("6","1","7","4","8","1","1") = "7"
    & skf18("6","1","7","4","8","2","1") = "7"
    & skf18("6","1","7","4","8","3","1") = "7"
    & skf18("6","1","7","4","8","4","1") = "7"
    & skf18("6","1","7","4","8","5","1") = "7"
    & skf18("6","1","7","4","8","6","1") = "7"
    & skf18("6","1","7","4","8","7","1") = "7"
    & skf18("6","1","7","4","8","8","1") = "7"
    & skf18("6","1","7","4","8","9","1") = "8"
    & skf18("6","1","7","4","8","10","1") = "9"
    & skf18("6","1","7","4","9","1","1") = "8"
    & skf18("6","1","7","4","9","2","1") = "8"
    & skf18("6","1","7","4","9","3","1") = "8"
    & skf18("6","1","7","4","9","4","1") = "8"
    & skf18("6","1","7","4","9","5","1") = "8"
    & skf18("6","1","7","4","9","6","1") = "8"
    & skf18("6","1","7","4","9","7","1") = "8"
    & skf18("6","1","7","4","9","8","1") = "8"
    & skf18("6","1","7","4","9","9","1") = "8"
    & skf18("6","1","7","4","9","10","1") = "9"
    & skf18("6","1","7","4","10","1","1") = "9"
    & skf18("6","1","7","4","10","2","1") = "9"
    & skf18("6","1","7","4","10","3","1") = "9"
    & skf18("6","1","7","4","10","4","1") = "9"
    & skf18("6","1","7","4","10","5","1") = "9"
    & skf18("6","1","7","4","10","6","1") = "9"
    & skf18("6","1","7","4","10","7","1") = "9"
    & skf18("6","1","7","4","10","8","1") = "9"
    & skf18("6","1","7","4","10","9","1") = "9"
    & skf18("6","1","7","4","10","10","1") = "9"
    & skf18("6","1","7","5","1","1","1") = "6"
    & skf18("6","1","7","5","1","2","1") = "6"
    & skf18("6","1","7","5","1","3","1") = "6"
    & skf18("6","1","7","5","1","4","1") = "6"
    & skf18("6","1","7","5","1","5","1") = "6"
    & skf18("6","1","7","5","1","6","1") = "6"
    & skf18("6","1","7","5","1","7","1") = "6"
    & skf18("6","1","7","5","1","8","1") = "7"
    & skf18("6","1","7","5","1","9","1") = "8"
    & skf18("6","1","7","5","1","10","1") = "9"
    & skf18("6","1","7","5","2","1","1") = "6"
    & skf18("6","1","7","5","2","2","1") = "6"
    & skf18("6","1","7","5","2","3","1") = "6"
    & skf18("6","1","7","5","2","4","1") = "6"
    & skf18("6","1","7","5","2","5","1") = "6"
    & skf18("6","1","7","5","2","6","1") = "6"
    & skf18("6","1","7","5","2","7","1") = "6"
    & skf18("6","1","7","5","2","8","1") = "7"
    & skf18("6","1","7","5","2","9","1") = "8"
    & skf18("6","1","7","5","2","10","1") = "9"
    & skf18("6","1","7","5","3","1","1") = "6"
    & skf18("6","1","7","5","3","2","1") = "6"
    & skf18("6","1","7","5","3","3","1") = "6"
    & skf18("6","1","7","5","3","4","1") = "6"
    & skf18("6","1","7","5","3","5","1") = "6"
    & skf18("6","1","7","5","3","6","1") = "6"
    & skf18("6","1","7","5","3","7","1") = "6"
    & skf18("6","1","7","5","3","8","1") = "7"
    & skf18("6","1","7","5","3","9","1") = "8"
    & skf18("6","1","7","5","3","10","1") = "9"
    & skf18("6","1","7","5","4","1","1") = "6"
    & skf18("6","1","7","5","4","2","1") = "6"
    & skf18("6","1","7","5","4","3","1") = "6"
    & skf18("6","1","7","5","4","4","1") = "6"
    & skf18("6","1","7","5","4","5","1") = "6"
    & skf18("6","1","7","5","4","6","1") = "6"
    & skf18("6","1","7","5","4","7","1") = "6"
    & skf18("6","1","7","5","4","8","1") = "7"
    & skf18("6","1","7","5","4","9","1") = "8"
    & skf18("6","1","7","5","4","10","1") = "9"
    & skf18("6","1","7","5","5","1","1") = "6"
    & skf18("6","1","7","5","5","2","1") = "6"
    & skf18("6","1","7","5","5","3","1") = "6"
    & skf18("6","1","7","5","5","4","1") = "6"
    & skf18("6","1","7","5","5","5","1") = "6"
    & skf18("6","1","7","5","5","6","1") = "6"
    & skf18("6","1","7","5","5","7","1") = "6"
    & skf18("6","1","7","5","5","8","1") = "7"
    & skf18("6","1","7","5","5","9","1") = "8"
    & skf18("6","1","7","5","5","10","1") = "9"
    & skf18("6","1","7","5","6","1","1") = "6"
    & skf18("6","1","7","5","6","2","1") = "6"
    & skf18("6","1","7","5","6","3","1") = "6"
    & skf18("6","1","7","5","6","4","1") = "6"
    & skf18("6","1","7","5","6","5","1") = "6"
    & skf18("6","1","7","5","6","6","1") = "6"
    & skf18("6","1","7","5","6","7","1") = "6"
    & skf18("6","1","7","5","6","8","1") = "7"
    & skf18("6","1","7","5","6","9","1") = "8"
    & skf18("6","1","7","5","6","10","1") = "9"
    & skf18("6","1","7","5","7","1","1") = "6"
    & skf18("6","1","7","5","7","2","1") = "6"
    & skf18("6","1","7","5","7","3","1") = "6"
    & skf18("6","1","7","5","7","4","1") = "6"
    & skf18("6","1","7","5","7","5","1") = "6"
    & skf18("6","1","7","5","7","6","1") = "6"
    & skf18("6","1","7","5","7","7","1") = "6"
    & skf18("6","1","7","5","7","8","1") = "7"
    & skf18("6","1","7","5","7","9","1") = "8"
    & skf18("6","1","7","5","7","10","1") = "9"
    & skf18("6","1","7","5","8","1","1") = "7"
    & skf18("6","1","7","5","8","2","1") = "7"
    & skf18("6","1","7","5","8","3","1") = "7"
    & skf18("6","1","7","5","8","4","1") = "7"
    & skf18("6","1","7","5","8","5","1") = "7"
    & skf18("6","1","7","5","8","6","1") = "7"
    & skf18("6","1","7","5","8","7","1") = "7"
    & skf18("6","1","7","5","8","8","1") = "7"
    & skf18("6","1","7","5","8","9","1") = "8"
    & skf18("6","1","7","5","8","10","1") = "9"
    & skf18("6","1","7","5","9","1","1") = "8"
    & skf18("6","1","7","5","9","2","1") = "8"
    & skf18("6","1","7","5","9","3","1") = "8"
    & skf18("6","1","7","5","9","4","1") = "8"
    & skf18("6","1","7","5","9","5","1") = "8"
    & skf18("6","1","7","5","9","6","1") = "8"
    & skf18("6","1","7","5","9","7","1") = "8"
    & skf18("6","1","7","5","9","8","1") = "8"
    & skf18("6","1","7","5","9","9","1") = "8"
    & skf18("6","1","7","5","9","10","1") = "9"
    & skf18("6","1","7","5","10","1","1") = "9"
    & skf18("6","1","7","5","10","2","1") = "9"
    & skf18("6","1","7","5","10","3","1") = "9"
    & skf18("6","1","7","5","10","4","1") = "9"
    & skf18("6","1","7","5","10","5","1") = "9"
    & skf18("6","1","7","5","10","6","1") = "9"
    & skf18("6","1","7","5","10","7","1") = "9"
    & skf18("6","1","7","5","10","8","1") = "9"
    & skf18("6","1","7","5","10","9","1") = "9"
    & skf18("6","1","7","5","10","10","1") = "9"
    & skf18("6","1","7","6","1","1","1") = "6"
    & skf18("6","1","7","6","1","2","1") = "6"
    & skf18("6","1","7","6","1","3","1") = "6"
    & skf18("6","1","7","6","1","4","1") = "6"
    & skf18("6","1","7","6","1","5","1") = "6"
    & skf18("6","1","7","6","1","6","1") = "6"
    & skf18("6","1","7","6","1","7","1") = "6"
    & skf18("6","1","7","6","1","8","1") = "7"
    & skf18("6","1","7","6","1","9","1") = "8"
    & skf18("6","1","7","6","1","10","1") = "9"
    & skf18("6","1","7","6","2","1","1") = "6"
    & skf18("6","1","7","6","2","2","1") = "6"
    & skf18("6","1","7","6","2","3","1") = "6"
    & skf18("6","1","7","6","2","4","1") = "6"
    & skf18("6","1","7","6","2","5","1") = "6"
    & skf18("6","1","7","6","2","6","1") = "6"
    & skf18("6","1","7","6","2","7","1") = "6"
    & skf18("6","1","7","6","2","8","1") = "7"
    & skf18("6","1","7","6","2","9","1") = "8"
    & skf18("6","1","7","6","2","10","1") = "9"
    & skf18("6","1","7","6","3","1","1") = "6"
    & skf18("6","1","7","6","3","2","1") = "6"
    & skf18("6","1","7","6","3","3","1") = "6"
    & skf18("6","1","7","6","3","4","1") = "6"
    & skf18("6","1","7","6","3","5","1") = "6"
    & skf18("6","1","7","6","3","6","1") = "6"
    & skf18("6","1","7","6","3","7","1") = "6"
    & skf18("6","1","7","6","3","8","1") = "7"
    & skf18("6","1","7","6","3","9","1") = "8"
    & skf18("6","1","7","6","3","10","1") = "9"
    & skf18("6","1","7","6","4","1","1") = "6"
    & skf18("6","1","7","6","4","2","1") = "6"
    & skf18("6","1","7","6","4","3","1") = "6"
    & skf18("6","1","7","6","4","4","1") = "6"
    & skf18("6","1","7","6","4","5","1") = "6"
    & skf18("6","1","7","6","4","6","1") = "6"
    & skf18("6","1","7","6","4","7","1") = "6"
    & skf18("6","1","7","6","4","8","1") = "7"
    & skf18("6","1","7","6","4","9","1") = "8"
    & skf18("6","1","7","6","4","10","1") = "9"
    & skf18("6","1","7","6","5","1","1") = "6"
    & skf18("6","1","7","6","5","2","1") = "6"
    & skf18("6","1","7","6","5","3","1") = "6"
    & skf18("6","1","7","6","5","4","1") = "6"
    & skf18("6","1","7","6","5","5","1") = "6"
    & skf18("6","1","7","6","5","6","1") = "6"
    & skf18("6","1","7","6","5","7","1") = "6"
    & skf18("6","1","7","6","5","8","1") = "7"
    & skf18("6","1","7","6","5","9","1") = "8"
    & skf18("6","1","7","6","5","10","1") = "9"
    & skf18("6","1","7","6","6","1","1") = "6"
    & skf18("6","1","7","6","6","2","1") = "6"
    & skf18("6","1","7","6","6","3","1") = "6"
    & skf18("6","1","7","6","6","4","1") = "6"
    & skf18("6","1","7","6","6","5","1") = "6"
    & skf18("6","1","7","6","6","6","1") = "6"
    & skf18("6","1","7","6","6","7","1") = "6"
    & skf18("6","1","7","6","6","8","1") = "7"
    & skf18("6","1","7","6","6","9","1") = "8"
    & skf18("6","1","7","6","6","10","1") = "9"
    & skf18("6","1","7","6","7","1","1") = "6"
    & skf18("6","1","7","6","7","2","1") = "6"
    & skf18("6","1","7","6","7","3","1") = "6"
    & skf18("6","1","7","6","7","4","1") = "6"
    & skf18("6","1","7","6","7","5","1") = "6"
    & skf18("6","1","7","6","7","6","1") = "6"
    & skf18("6","1","7","6","7","7","1") = "6"
    & skf18("6","1","7","6","7","8","1") = "7"
    & skf18("6","1","7","6","7","9","1") = "8"
    & skf18("6","1","7","6","7","10","1") = "9"
    & skf18("6","1","7","6","8","1","1") = "7"
    & skf18("6","1","7","6","8","2","1") = "7"
    & skf18("6","1","7","6","8","3","1") = "7"
    & skf18("6","1","7","6","8","4","1") = "7"
    & skf18("6","1","7","6","8","5","1") = "7"
    & skf18("6","1","7","6","8","6","1") = "7"
    & skf18("6","1","7","6","8","7","1") = "7"
    & skf18("6","1","7","6","8","8","1") = "7"
    & skf18("6","1","7","6","8","9","1") = "8"
    & skf18("6","1","7","6","8","10","1") = "9"
    & skf18("6","1","7","6","9","1","1") = "8"
    & skf18("6","1","7","6","9","2","1") = "8"
    & skf18("6","1","7","6","9","3","1") = "8"
    & skf18("6","1","7","6","9","4","1") = "8"
    & skf18("6","1","7","6","9","5","1") = "8"
    & skf18("6","1","7","6","9","6","1") = "8"
    & skf18("6","1","7","6","9","7","1") = "8"
    & skf18("6","1","7","6","9","8","1") = "8"
    & skf18("6","1","7","6","9","9","1") = "8"
    & skf18("6","1","7","6","9","10","1") = "9"
    & skf18("6","1","7","6","10","1","1") = "9"
    & skf18("6","1","7","6","10","2","1") = "9"
    & skf18("6","1","7","6","10","3","1") = "9"
    & skf18("6","1","7","6","10","4","1") = "9"
    & skf18("6","1","7","6","10","5","1") = "9"
    & skf18("6","1","7","6","10","6","1") = "9"
    & skf18("6","1","7","6","10","7","1") = "9"
    & skf18("6","1","7","6","10","8","1") = "9"
    & skf18("6","1","7","6","10","9","1") = "9"
    & skf18("6","1","7","6","10","10","1") = "9"
    & skf18("6","1","7","7","1","1","1") = "6"
    & skf18("6","1","7","7","1","2","1") = "6"
    & skf18("6","1","7","7","1","3","1") = "6"
    & skf18("6","1","7","7","1","4","1") = "6"
    & skf18("6","1","7","7","1","5","1") = "6"
    & skf18("6","1","7","7","1","6","1") = "6"
    & skf18("6","1","7","7","1","7","1") = "6"
    & skf18("6","1","7","7","1","8","1") = "7"
    & skf18("6","1","7","7","1","9","1") = "8"
    & skf18("6","1","7","7","1","10","1") = "9"
    & skf18("6","1","7","7","2","1","1") = "6"
    & skf18("6","1","7","7","2","2","1") = "6"
    & skf18("6","1","7","7","2","3","1") = "6"
    & skf18("6","1","7","7","2","4","1") = "6"
    & skf18("6","1","7","7","2","5","1") = "6"
    & skf18("6","1","7","7","2","6","1") = "6"
    & skf18("6","1","7","7","2","7","1") = "6"
    & skf18("6","1","7","7","2","8","1") = "7"
    & skf18("6","1","7","7","2","9","1") = "8"
    & skf18("6","1","7","7","2","10","1") = "9"
    & skf18("6","1","7","7","3","1","1") = "6"
    & skf18("6","1","7","7","3","2","1") = "6"
    & skf18("6","1","7","7","3","3","1") = "6"
    & skf18("6","1","7","7","3","4","1") = "6"
    & skf18("6","1","7","7","3","5","1") = "6"
    & skf18("6","1","7","7","3","6","1") = "6"
    & skf18("6","1","7","7","3","7","1") = "6"
    & skf18("6","1","7","7","3","8","1") = "7"
    & skf18("6","1","7","7","3","9","1") = "8"
    & skf18("6","1","7","7","3","10","1") = "9"
    & skf18("6","1","7","7","4","1","1") = "6"
    & skf18("6","1","7","7","4","2","1") = "6"
    & skf18("6","1","7","7","4","3","1") = "6"
    & skf18("6","1","7","7","4","4","1") = "6"
    & skf18("6","1","7","7","4","5","1") = "6"
    & skf18("6","1","7","7","4","6","1") = "6"
    & skf18("6","1","7","7","4","7","1") = "6"
    & skf18("6","1","7","7","4","8","1") = "7"
    & skf18("6","1","7","7","4","9","1") = "8"
    & skf18("6","1","7","7","4","10","1") = "9"
    & skf18("6","1","7","7","5","1","1") = "6"
    & skf18("6","1","7","7","5","2","1") = "6"
    & skf18("6","1","7","7","5","3","1") = "6"
    & skf18("6","1","7","7","5","4","1") = "6"
    & skf18("6","1","7","7","5","5","1") = "6"
    & skf18("6","1","7","7","5","6","1") = "6"
    & skf18("6","1","7","7","5","7","1") = "6"
    & skf18("6","1","7","7","5","8","1") = "7"
    & skf18("6","1","7","7","5","9","1") = "8"
    & skf18("6","1","7","7","5","10","1") = "9"
    & skf18("6","1","7","7","6","1","1") = "6"
    & skf18("6","1","7","7","6","2","1") = "6"
    & skf18("6","1","7","7","6","3","1") = "6"
    & skf18("6","1","7","7","6","4","1") = "6"
    & skf18("6","1","7","7","6","5","1") = "6"
    & skf18("6","1","7","7","6","6","1") = "6"
    & skf18("6","1","7","7","6","7","1") = "6"
    & skf18("6","1","7","7","6","8","1") = "7"
    & skf18("6","1","7","7","6","9","1") = "8"
    & skf18("6","1","7","7","6","10","1") = "9"
    & skf18("6","1","7","7","7","1","1") = "6"
    & skf18("6","1","7","7","7","2","1") = "6"
    & skf18("6","1","7","7","7","3","1") = "6"
    & skf18("6","1","7","7","7","4","1") = "6"
    & skf18("6","1","7","7","7","5","1") = "6"
    & skf18("6","1","7","7","7","6","1") = "6"
    & skf18("6","1","7","7","7","7","1") = "6"
    & skf18("6","1","7","7","7","8","1") = "7"
    & skf18("6","1","7","7","7","9","1") = "8"
    & skf18("6","1","7","7","7","10","1") = "9"
    & skf18("6","1","7","7","8","1","1") = "7"
    & skf18("6","1","7","7","8","2","1") = "7"
    & skf18("6","1","7","7","8","3","1") = "7"
    & skf18("6","1","7","7","8","4","1") = "7"
    & skf18("6","1","7","7","8","5","1") = "7"
    & skf18("6","1","7","7","8","6","1") = "7"
    & skf18("6","1","7","7","8","7","1") = "7"
    & skf18("6","1","7","7","8","8","1") = "7"
    & skf18("6","1","7","7","8","9","1") = "8"
    & skf18("6","1","7","7","8","10","1") = "9"
    & skf18("6","1","7","7","9","1","1") = "8"
    & skf18("6","1","7","7","9","2","1") = "8"
    & skf18("6","1","7","7","9","3","1") = "8"
    & skf18("6","1","7","7","9","4","1") = "8"
    & skf18("6","1","7","7","9","5","1") = "8"
    & skf18("6","1","7","7","9","6","1") = "8"
    & skf18("6","1","7","7","9","7","1") = "8"
    & skf18("6","1","7","7","9","8","1") = "8"
    & skf18("6","1","7","7","9","9","1") = "8"
    & skf18("6","1","7","7","9","10","1") = "9"
    & skf18("6","1","7","7","10","1","1") = "9"
    & skf18("6","1","7","7","10","2","1") = "9"
    & skf18("6","1","7","7","10","3","1") = "9"
    & skf18("6","1","7","7","10","4","1") = "9"
    & skf18("6","1","7","7","10","5","1") = "9"
    & skf18("6","1","7","7","10","6","1") = "9"
    & skf18("6","1","7","7","10","7","1") = "9"
    & skf18("6","1","7","7","10","8","1") = "9"
    & skf18("6","1","7","7","10","9","1") = "9"
    & skf18("6","1","7","7","10","10","1") = "9"
    & skf18("6","1","7","8","1","1","1") = "7"
    & skf18("6","1","7","8","1","2","1") = "7"
    & skf18("6","1","7","8","1","3","1") = "7"
    & skf18("6","1","7","8","1","4","1") = "7"
    & skf18("6","1","7","8","1","5","1") = "7"
    & skf18("6","1","7","8","1","6","1") = "7"
    & skf18("6","1","7","8","1","7","1") = "7"
    & skf18("6","1","7","8","1","8","1") = "7"
    & skf18("6","1","7","8","1","9","1") = "8"
    & skf18("6","1","7","8","1","10","1") = "9"
    & skf18("6","1","7","8","2","1","1") = "7"
    & skf18("6","1","7","8","2","2","1") = "7"
    & skf18("6","1","7","8","2","3","1") = "7"
    & skf18("6","1","7","8","2","4","1") = "7"
    & skf18("6","1","7","8","2","5","1") = "7"
    & skf18("6","1","7","8","2","6","1") = "7"
    & skf18("6","1","7","8","2","7","1") = "7"
    & skf18("6","1","7","8","2","8","1") = "7"
    & skf18("6","1","7","8","2","9","1") = "8"
    & skf18("6","1","7","8","2","10","1") = "9"
    & skf18("6","1","7","8","3","1","1") = "7"
    & skf18("6","1","7","8","3","2","1") = "7"
    & skf18("6","1","7","8","3","3","1") = "7"
    & skf18("6","1","7","8","3","4","1") = "7"
    & skf18("6","1","7","8","3","5","1") = "7"
    & skf18("6","1","7","8","3","6","1") = "7"
    & skf18("6","1","7","8","3","7","1") = "7"
    & skf18("6","1","7","8","3","8","1") = "7"
    & skf18("6","1","7","8","3","9","1") = "8"
    & skf18("6","1","7","8","3","10","1") = "9"
    & skf18("6","1","7","8","4","1","1") = "7"
    & skf18("6","1","7","8","4","2","1") = "7"
    & skf18("6","1","7","8","4","3","1") = "7"
    & skf18("6","1","7","8","4","4","1") = "7"
    & skf18("6","1","7","8","4","5","1") = "7"
    & skf18("6","1","7","8","4","6","1") = "7"
    & skf18("6","1","7","8","4","7","1") = "7"
    & skf18("6","1","7","8","4","8","1") = "7"
    & skf18("6","1","7","8","4","9","1") = "8"
    & skf18("6","1","7","8","4","10","1") = "9"
    & skf18("6","1","7","8","5","1","1") = "7"
    & skf18("6","1","7","8","5","2","1") = "7"
    & skf18("6","1","7","8","5","3","1") = "7"
    & skf18("6","1","7","8","5","4","1") = "7"
    & skf18("6","1","7","8","5","5","1") = "7"
    & skf18("6","1","7","8","5","6","1") = "7"
    & skf18("6","1","7","8","5","7","1") = "7"
    & skf18("6","1","7","8","5","8","1") = "7"
    & skf18("6","1","7","8","5","9","1") = "8"
    & skf18("6","1","7","8","5","10","1") = "9"
    & skf18("6","1","7","8","6","1","1") = "7"
    & skf18("6","1","7","8","6","2","1") = "7"
    & skf18("6","1","7","8","6","3","1") = "7"
    & skf18("6","1","7","8","6","4","1") = "7"
    & skf18("6","1","7","8","6","5","1") = "7"
    & skf18("6","1","7","8","6","6","1") = "7"
    & skf18("6","1","7","8","6","7","1") = "7"
    & skf18("6","1","7","8","6","8","1") = "7"
    & skf18("6","1","7","8","6","9","1") = "8"
    & skf18("6","1","7","8","6","10","1") = "9"
    & skf18("6","1","7","8","7","1","1") = "7"
    & skf18("6","1","7","8","7","2","1") = "7"
    & skf18("6","1","7","8","7","3","1") = "7"
    & skf18("6","1","7","8","7","4","1") = "7"
    & skf18("6","1","7","8","7","5","1") = "7"
    & skf18("6","1","7","8","7","6","1") = "7"
    & skf18("6","1","7","8","7","7","1") = "7"
    & skf18("6","1","7","8","7","8","1") = "7"
    & skf18("6","1","7","8","7","9","1") = "8"
    & skf18("6","1","7","8","7","10","1") = "9"
    & skf18("6","1","7","8","8","1","1") = "7"
    & skf18("6","1","7","8","8","2","1") = "7"
    & skf18("6","1","7","8","8","3","1") = "7"
    & skf18("6","1","7","8","8","4","1") = "7"
    & skf18("6","1","7","8","8","5","1") = "7"
    & skf18("6","1","7","8","8","6","1") = "7"
    & skf18("6","1","7","8","8","7","1") = "7"
    & skf18("6","1","7","8","8","8","1") = "7"
    & skf18("6","1","7","8","8","9","1") = "8"
    & skf18("6","1","7","8","8","10","1") = "9"
    & skf18("6","1","7","8","9","1","1") = "8"
    & skf18("6","1","7","8","9","2","1") = "8"
    & skf18("6","1","7","8","9","3","1") = "8"
    & skf18("6","1","7","8","9","4","1") = "8"
    & skf18("6","1","7","8","9","5","1") = "8"
    & skf18("6","1","7","8","9","6","1") = "8"
    & skf18("6","1","7","8","9","7","1") = "8"
    & skf18("6","1","7","8","9","8","1") = "8"
    & skf18("6","1","7","8","9","9","1") = "8"
    & skf18("6","1","7","8","9","10","1") = "9"
    & skf18("6","1","7","8","10","1","1") = "9"
    & skf18("6","1","7","8","10","2","1") = "9"
    & skf18("6","1","7","8","10","3","1") = "9"
    & skf18("6","1","7","8","10","4","1") = "9"
    & skf18("6","1","7","8","10","5","1") = "9"
    & skf18("6","1","7","8","10","6","1") = "9"
    & skf18("6","1","7","8","10","7","1") = "9"
    & skf18("6","1","7","8","10","8","1") = "9"
    & skf18("6","1","7","8","10","9","1") = "9"
    & skf18("6","1","7","8","10","10","1") = "9"
    & skf18("6","1","7","9","1","1","1") = "8"
    & skf18("6","1","7","9","1","2","1") = "8"
    & skf18("6","1","7","9","1","3","1") = "8"
    & skf18("6","1","7","9","1","4","1") = "8"
    & skf18("6","1","7","9","1","5","1") = "8"
    & skf18("6","1","7","9","1","6","1") = "8"
    & skf18("6","1","7","9","1","7","1") = "8"
    & skf18("6","1","7","9","1","8","1") = "8"
    & skf18("6","1","7","9","1","9","1") = "8"
    & skf18("6","1","7","9","1","10","1") = "9"
    & skf18("6","1","7","9","2","1","1") = "8"
    & skf18("6","1","7","9","2","2","1") = "8"
    & skf18("6","1","7","9","2","3","1") = "8"
    & skf18("6","1","7","9","2","4","1") = "8"
    & skf18("6","1","7","9","2","5","1") = "8"
    & skf18("6","1","7","9","2","6","1") = "8"
    & skf18("6","1","7","9","2","7","1") = "8"
    & skf18("6","1","7","9","2","8","1") = "8"
    & skf18("6","1","7","9","2","9","1") = "8"
    & skf18("6","1","7","9","2","10","1") = "9"
    & skf18("6","1","7","9","3","1","1") = "8"
    & skf18("6","1","7","9","3","2","1") = "8"
    & skf18("6","1","7","9","3","3","1") = "8"
    & skf18("6","1","7","9","3","4","1") = "8"
    & skf18("6","1","7","9","3","5","1") = "8"
    & skf18("6","1","7","9","3","6","1") = "8"
    & skf18("6","1","7","9","3","7","1") = "8"
    & skf18("6","1","7","9","3","8","1") = "8"
    & skf18("6","1","7","9","3","9","1") = "8"
    & skf18("6","1","7","9","3","10","1") = "9"
    & skf18("6","1","7","9","4","1","1") = "8"
    & skf18("6","1","7","9","4","2","1") = "8"
    & skf18("6","1","7","9","4","3","1") = "8"
    & skf18("6","1","7","9","4","4","1") = "8"
    & skf18("6","1","7","9","4","5","1") = "8"
    & skf18("6","1","7","9","4","6","1") = "8"
    & skf18("6","1","7","9","4","7","1") = "8"
    & skf18("6","1","7","9","4","8","1") = "8"
    & skf18("6","1","7","9","4","9","1") = "8"
    & skf18("6","1","7","9","4","10","1") = "9"
    & skf18("6","1","7","9","5","1","1") = "8"
    & skf18("6","1","7","9","5","2","1") = "8"
    & skf18("6","1","7","9","5","3","1") = "8"
    & skf18("6","1","7","9","5","4","1") = "8"
    & skf18("6","1","7","9","5","5","1") = "8"
    & skf18("6","1","7","9","5","6","1") = "8"
    & skf18("6","1","7","9","5","7","1") = "8"
    & skf18("6","1","7","9","5","8","1") = "8"
    & skf18("6","1","7","9","5","9","1") = "8"
    & skf18("6","1","7","9","5","10","1") = "9"
    & skf18("6","1","7","9","6","1","1") = "8"
    & skf18("6","1","7","9","6","2","1") = "8"
    & skf18("6","1","7","9","6","3","1") = "8"
    & skf18("6","1","7","9","6","4","1") = "8"
    & skf18("6","1","7","9","6","5","1") = "8"
    & skf18("6","1","7","9","6","6","1") = "8"
    & skf18("6","1","7","9","6","7","1") = "8"
    & skf18("6","1","7","9","6","8","1") = "8"
    & skf18("6","1","7","9","6","9","1") = "8"
    & skf18("6","1","7","9","6","10","1") = "9"
    & skf18("6","1","7","9","7","1","1") = "8"
    & skf18("6","1","7","9","7","2","1") = "8"
    & skf18("6","1","7","9","7","3","1") = "8"
    & skf18("6","1","7","9","7","4","1") = "8"
    & skf18("6","1","7","9","7","5","1") = "8"
    & skf18("6","1","7","9","7","6","1") = "8"
    & skf18("6","1","7","9","7","7","1") = "8"
    & skf18("6","1","7","9","7","8","1") = "8"
    & skf18("6","1","7","9","7","9","1") = "8"
    & skf18("6","1","7","9","7","10","1") = "9"
    & skf18("6","1","7","9","8","1","1") = "8"
    & skf18("6","1","7","9","8","2","1") = "8"
    & skf18("6","1","7","9","8","3","1") = "8"
    & skf18("6","1","7","9","8","4","1") = "8"
    & skf18("6","1","7","9","8","5","1") = "8"
    & skf18("6","1","7","9","8","6","1") = "8"
    & skf18("6","1","7","9","8","7","1") = "8"
    & skf18("6","1","7","9","8","8","1") = "8"
    & skf18("6","1","7","9","8","9","1") = "8"
    & skf18("6","1","7","9","8","10","1") = "9"
    & skf18("6","1","7","9","9","1","1") = "8"
    & skf18("6","1","7","9","9","2","1") = "8"
    & skf18("6","1","7","9","9","3","1") = "8"
    & skf18("6","1","7","9","9","4","1") = "8"
    & skf18("6","1","7","9","9","5","1") = "8"
    & skf18("6","1","7","9","9","6","1") = "8"
    & skf18("6","1","7","9","9","7","1") = "8"
    & skf18("6","1","7","9","9","8","1") = "8"
    & skf18("6","1","7","9","9","9","1") = "8"
    & skf18("6","1","7","9","9","10","1") = "9"
    & skf18("6","1","7","9","10","1","1") = "9"
    & skf18("6","1","7","9","10","2","1") = "9"
    & skf18("6","1","7","9","10","3","1") = "9"
    & skf18("6","1","7","9","10","4","1") = "9"
    & skf18("6","1","7","9","10","5","1") = "9"
    & skf18("6","1","7","9","10","6","1") = "9"
    & skf18("6","1","7","9","10","7","1") = "9"
    & skf18("6","1","7","9","10","8","1") = "9"
    & skf18("6","1","7","9","10","9","1") = "9"
    & skf18("6","1","7","9","10","10","1") = "9"
    & skf18("6","1","7","10","1","1","1") = "9"
    & skf18("6","1","7","10","1","2","1") = "9"
    & skf18("6","1","7","10","1","3","1") = "9"
    & skf18("6","1","7","10","1","4","1") = "9"
    & skf18("6","1","7","10","1","5","1") = "9"
    & skf18("6","1","7","10","1","6","1") = "9"
    & skf18("6","1","7","10","1","7","1") = "9"
    & skf18("6","1","7","10","1","8","1") = "9"
    & skf18("6","1","7","10","1","9","1") = "9"
    & skf18("6","1","7","10","1","10","1") = "9"
    & skf18("6","1","7","10","2","1","1") = "9"
    & skf18("6","1","7","10","2","2","1") = "9"
    & skf18("6","1","7","10","2","3","1") = "9"
    & skf18("6","1","7","10","2","4","1") = "9"
    & skf18("6","1","7","10","2","5","1") = "9"
    & skf18("6","1","7","10","2","6","1") = "9"
    & skf18("6","1","7","10","2","7","1") = "9"
    & skf18("6","1","7","10","2","8","1") = "9"
    & skf18("6","1","7","10","2","9","1") = "9"
    & skf18("6","1","7","10","2","10","1") = "9"
    & skf18("6","1","7","10","3","1","1") = "9"
    & skf18("6","1","7","10","3","2","1") = "9"
    & skf18("6","1","7","10","3","3","1") = "9"
    & skf18("6","1","7","10","3","4","1") = "9"
    & skf18("6","1","7","10","3","5","1") = "9"
    & skf18("6","1","7","10","3","6","1") = "9"
    & skf18("6","1","7","10","3","7","1") = "9"
    & skf18("6","1","7","10","3","8","1") = "9"
    & skf18("6","1","7","10","3","9","1") = "9"
    & skf18("6","1","7","10","3","10","1") = "9"
    & skf18("6","1","7","10","4","1","1") = "9"
    & skf18("6","1","7","10","4","2","1") = "9"
    & skf18("6","1","7","10","4","3","1") = "9"
    & skf18("6","1","7","10","4","4","1") = "9"
    & skf18("6","1","7","10","4","5","1") = "9"
    & skf18("6","1","7","10","4","6","1") = "9"
    & skf18("6","1","7","10","4","7","1") = "9"
    & skf18("6","1","7","10","4","8","1") = "9"
    & skf18("6","1","7","10","4","9","1") = "9"
    & skf18("6","1","7","10","4","10","1") = "9"
    & skf18("6","1","7","10","5","1","1") = "9"
    & skf18("6","1","7","10","5","2","1") = "9"
    & skf18("6","1","7","10","5","3","1") = "9"
    & skf18("6","1","7","10","5","4","1") = "9"
    & skf18("6","1","7","10","5","5","1") = "9"
    & skf18("6","1","7","10","5","6","1") = "9"
    & skf18("6","1","7","10","5","7","1") = "9"
    & skf18("6","1","7","10","5","8","1") = "9"
    & skf18("6","1","7","10","5","9","1") = "9"
    & skf18("6","1","7","10","5","10","1") = "9"
    & skf18("6","1","7","10","6","1","1") = "9"
    & skf18("6","1","7","10","6","2","1") = "9"
    & skf18("6","1","7","10","6","3","1") = "9"
    & skf18("6","1","7","10","6","4","1") = "9"
    & skf18("6","1","7","10","6","5","1") = "9"
    & skf18("6","1","7","10","6","6","1") = "9"
    & skf18("6","1","7","10","6","7","1") = "9"
    & skf18("6","1","7","10","6","8","1") = "9"
    & skf18("6","1","7","10","6","9","1") = "9"
    & skf18("6","1","7","10","6","10","1") = "9"
    & skf18("6","1","7","10","7","1","1") = "9"
    & skf18("6","1","7","10","7","2","1") = "9"
    & skf18("6","1","7","10","7","3","1") = "9"
    & skf18("6","1","7","10","7","4","1") = "9"
    & skf18("6","1","7","10","7","5","1") = "9"
    & skf18("6","1","7","10","7","6","1") = "9"
    & skf18("6","1","7","10","7","7","1") = "9"
    & skf18("6","1","7","10","7","8","1") = "9"
    & skf18("6","1","7","10","7","9","1") = "9"
    & skf18("6","1","7","10","7","10","1") = "9"
    & skf18("6","1","7","10","8","1","1") = "9"
    & skf18("6","1","7","10","8","2","1") = "9"
    & skf18("6","1","7","10","8","3","1") = "9"
    & skf18("6","1","7","10","8","4","1") = "9"
    & skf18("6","1","7","10","8","5","1") = "9"
    & skf18("6","1","7","10","8","6","1") = "9"
    & skf18("6","1","7","10","8","7","1") = "9"
    & skf18("6","1","7","10","8","8","1") = "9"
    & skf18("6","1","7","10","8","9","1") = "9"
    & skf18("6","1","7","10","8","10","1") = "9"
    & skf18("6","1","7","10","9","1","1") = "9"
    & skf18("6","1","7","10","9","2","1") = "9"
    & skf18("6","1","7","10","9","3","1") = "9"
    & skf18("6","1","7","10","9","4","1") = "9"
    & skf18("6","1","7","10","9","5","1") = "9"
    & skf18("6","1","7","10","9","6","1") = "9"
    & skf18("6","1","7","10","9","7","1") = "9"
    & skf18("6","1","7","10","9","8","1") = "9"
    & skf18("6","1","7","10","9","9","1") = "9"
    & skf18("6","1","7","10","9","10","1") = "9"
    & skf18("6","1","7","10","10","1","1") = "9"
    & skf18("6","1","7","10","10","2","1") = "9"
    & skf18("6","1","7","10","10","3","1") = "9"
    & skf18("6","1","7","10","10","4","1") = "9"
    & skf18("6","1","7","10","10","5","1") = "9"
    & skf18("6","1","7","10","10","6","1") = "9"
    & skf18("6","1","7","10","10","7","1") = "9"
    & skf18("6","1","7","10","10","8","1") = "9"
    & skf18("6","1","7","10","10","9","1") = "9"
    & skf18("6","1","7","10","10","10","1") = "9"
    & skf18("6","1","8","1","1","1","1") = "7"
    & skf18("6","1","8","1","1","2","1") = "7"
    & skf18("6","1","8","1","1","3","1") = "7"
    & skf18("6","1","8","1","1","4","1") = "7"
    & skf18("6","1","8","1","1","5","1") = "7"
    & skf18("6","1","8","1","1","6","1") = "7"
    & skf18("6","1","8","1","1","7","1") = "7"
    & skf18("6","1","8","1","1","8","1") = "7"
    & skf18("6","1","8","1","1","9","1") = "8"
    & skf18("6","1","8","1","1","10","1") = "9"
    & skf18("6","1","8","1","2","1","1") = "7"
    & skf18("6","1","8","1","2","2","1") = "7"
    & skf18("6","1","8","1","2","3","1") = "7"
    & skf18("6","1","8","1","2","4","1") = "7"
    & skf18("6","1","8","1","2","5","1") = "7"
    & skf18("6","1","8","1","2","6","1") = "7"
    & skf18("6","1","8","1","2","7","1") = "7"
    & skf18("6","1","8","1","2","8","1") = "7"
    & skf18("6","1","8","1","2","9","1") = "8"
    & skf18("6","1","8","1","2","10","1") = "9"
    & skf18("6","1","8","1","3","1","1") = "7"
    & skf18("6","1","8","1","3","2","1") = "7"
    & skf18("6","1","8","1","3","3","1") = "7"
    & skf18("6","1","8","1","3","4","1") = "7"
    & skf18("6","1","8","1","3","5","1") = "7"
    & skf18("6","1","8","1","3","6","1") = "7"
    & skf18("6","1","8","1","3","7","1") = "7"
    & skf18("6","1","8","1","3","8","1") = "7"
    & skf18("6","1","8","1","3","9","1") = "8"
    & skf18("6","1","8","1","3","10","1") = "9"
    & skf18("6","1","8","1","4","1","1") = "7"
    & skf18("6","1","8","1","4","2","1") = "7"
    & skf18("6","1","8","1","4","3","1") = "7"
    & skf18("6","1","8","1","4","4","1") = "7"
    & skf18("6","1","8","1","4","5","1") = "7"
    & skf18("6","1","8","1","4","6","1") = "7"
    & skf18("6","1","8","1","4","7","1") = "7"
    & skf18("6","1","8","1","4","8","1") = "7"
    & skf18("6","1","8","1","4","9","1") = "8"
    & skf18("6","1","8","1","4","10","1") = "9"
    & skf18("6","1","8","1","5","1","1") = "7"
    & skf18("6","1","8","1","5","2","1") = "7"
    & skf18("6","1","8","1","5","3","1") = "7"
    & skf18("6","1","8","1","5","4","1") = "7"
    & skf18("6","1","8","1","5","5","1") = "7"
    & skf18("6","1","8","1","5","6","1") = "7"
    & skf18("6","1","8","1","5","7","1") = "7"
    & skf18("6","1","8","1","5","8","1") = "7"
    & skf18("6","1","8","1","5","9","1") = "8"
    & skf18("6","1","8","1","5","10","1") = "9"
    & skf18("6","1","8","1","6","1","1") = "7"
    & skf18("6","1","8","1","6","2","1") = "7"
    & skf18("6","1","8","1","6","3","1") = "7"
    & skf18("6","1","8","1","6","4","1") = "7"
    & skf18("6","1","8","1","6","5","1") = "7"
    & skf18("6","1","8","1","6","6","1") = "7"
    & skf18("6","1","8","1","6","7","1") = "7"
    & skf18("6","1","8","1","6","8","1") = "7"
    & skf18("6","1","8","1","6","9","1") = "8"
    & skf18("6","1","8","1","6","10","1") = "9"
    & skf18("6","1","8","1","7","1","1") = "7"
    & skf18("6","1","8","1","7","2","1") = "7"
    & skf18("6","1","8","1","7","3","1") = "7"
    & skf18("6","1","8","1","7","4","1") = "7"
    & skf18("6","1","8","1","7","5","1") = "7"
    & skf18("6","1","8","1","7","6","1") = "7"
    & skf18("6","1","8","1","7","7","1") = "7"
    & skf18("6","1","8","1","7","8","1") = "7"
    & skf18("6","1","8","1","7","9","1") = "8"
    & skf18("6","1","8","1","7","10","1") = "9"
    & skf18("6","1","8","1","8","1","1") = "7"
    & skf18("6","1","8","1","8","2","1") = "7"
    & skf18("6","1","8","1","8","3","1") = "7"
    & skf18("6","1","8","1","8","4","1") = "7"
    & skf18("6","1","8","1","8","5","1") = "7"
    & skf18("6","1","8","1","8","6","1") = "7"
    & skf18("6","1","8","1","8","7","1") = "7"
    & skf18("6","1","8","1","8","8","1") = "7"
    & skf18("6","1","8","1","8","9","1") = "8"
    & skf18("6","1","8","1","8","10","1") = "9"
    & skf18("6","1","8","1","9","1","1") = "8"
    & skf18("6","1","8","1","9","2","1") = "8"
    & skf18("6","1","8","1","9","3","1") = "8"
    & skf18("6","1","8","1","9","4","1") = "8"
    & skf18("6","1","8","1","9","5","1") = "8"
    & skf18("6","1","8","1","9","6","1") = "8"
    & skf18("6","1","8","1","9","7","1") = "8"
    & skf18("6","1","8","1","9","8","1") = "8"
    & skf18("6","1","8","1","9","9","1") = "8"
    & skf18("6","1","8","1","9","10","1") = "9"
    & skf18("6","1","8","1","10","1","1") = "9"
    & skf18("6","1","8","1","10","2","1") = "9"
    & skf18("6","1","8","1","10","3","1") = "9"
    & skf18("6","1","8","1","10","4","1") = "9"
    & skf18("6","1","8","1","10","5","1") = "9"
    & skf18("6","1","8","1","10","6","1") = "9"
    & skf18("6","1","8","1","10","7","1") = "9"
    & skf18("6","1","8","1","10","8","1") = "9"
    & skf18("6","1","8","1","10","9","1") = "9"
    & skf18("6","1","8","1","10","10","1") = "9"
    & skf18("6","1","8","2","1","1","1") = "7"
    & skf18("6","1","8","2","1","2","1") = "7"
    & skf18("6","1","8","2","1","3","1") = "7"
    & skf18("6","1","8","2","1","4","1") = "7"
    & skf18("6","1","8","2","1","5","1") = "7"
    & skf18("6","1","8","2","1","6","1") = "7"
    & skf18("6","1","8","2","1","7","1") = "7"
    & skf18("6","1","8","2","1","8","1") = "7"
    & skf18("6","1","8","2","1","9","1") = "8"
    & skf18("6","1","8","2","1","10","1") = "9"
    & skf18("6","1","8","2","2","1","1") = "7"
    & skf18("6","1","8","2","2","2","1") = "7"
    & skf18("6","1","8","2","2","3","1") = "7"
    & skf18("6","1","8","2","2","4","1") = "7"
    & skf18("6","1","8","2","2","5","1") = "7"
    & skf18("6","1","8","2","2","6","1") = "7"
    & skf18("6","1","8","2","2","7","1") = "7"
    & skf18("6","1","8","2","2","8","1") = "7"
    & skf18("6","1","8","2","2","9","1") = "8"
    & skf18("6","1","8","2","2","10","1") = "9"
    & skf18("6","1","8","2","3","1","1") = "7"
    & skf18("6","1","8","2","3","2","1") = "7"
    & skf18("6","1","8","2","3","3","1") = "7"
    & skf18("6","1","8","2","3","4","1") = "7"
    & skf18("6","1","8","2","3","5","1") = "7"
    & skf18("6","1","8","2","3","6","1") = "7"
    & skf18("6","1","8","2","3","7","1") = "7"
    & skf18("6","1","8","2","3","8","1") = "7"
    & skf18("6","1","8","2","3","9","1") = "8"
    & skf18("6","1","8","2","3","10","1") = "9"
    & skf18("6","1","8","2","4","1","1") = "7"
    & skf18("6","1","8","2","4","2","1") = "7"
    & skf18("6","1","8","2","4","3","1") = "7"
    & skf18("6","1","8","2","4","4","1") = "7"
    & skf18("6","1","8","2","4","5","1") = "7"
    & skf18("6","1","8","2","4","6","1") = "7"
    & skf18("6","1","8","2","4","7","1") = "7"
    & skf18("6","1","8","2","4","8","1") = "7"
    & skf18("6","1","8","2","4","9","1") = "8"
    & skf18("6","1","8","2","4","10","1") = "9"
    & skf18("6","1","8","2","5","1","1") = "7"
    & skf18("6","1","8","2","5","2","1") = "7"
    & skf18("6","1","8","2","5","3","1") = "7"
    & skf18("6","1","8","2","5","4","1") = "7"
    & skf18("6","1","8","2","5","5","1") = "7"
    & skf18("6","1","8","2","5","6","1") = "7"
    & skf18("6","1","8","2","5","7","1") = "7"
    & skf18("6","1","8","2","5","8","1") = "7"
    & skf18("6","1","8","2","5","9","1") = "8"
    & skf18("6","1","8","2","5","10","1") = "9"
    & skf18("6","1","8","2","6","1","1") = "7"
    & skf18("6","1","8","2","6","2","1") = "7"
    & skf18("6","1","8","2","6","3","1") = "7"
    & skf18("6","1","8","2","6","4","1") = "7"
    & skf18("6","1","8","2","6","5","1") = "7"
    & skf18("6","1","8","2","6","6","1") = "7"
    & skf18("6","1","8","2","6","7","1") = "7"
    & skf18("6","1","8","2","6","8","1") = "7"
    & skf18("6","1","8","2","6","9","1") = "8"
    & skf18("6","1","8","2","6","10","1") = "9"
    & skf18("6","1","8","2","7","1","1") = "7"
    & skf18("6","1","8","2","7","2","1") = "7"
    & skf18("6","1","8","2","7","3","1") = "7"
    & skf18("6","1","8","2","7","4","1") = "7"
    & skf18("6","1","8","2","7","5","1") = "7"
    & skf18("6","1","8","2","7","6","1") = "7"
    & skf18("6","1","8","2","7","7","1") = "7"
    & skf18("6","1","8","2","7","8","1") = "7"
    & skf18("6","1","8","2","7","9","1") = "8"
    & skf18("6","1","8","2","7","10","1") = "9"
    & skf18("6","1","8","2","8","1","1") = "7"
    & skf18("6","1","8","2","8","2","1") = "7"
    & skf18("6","1","8","2","8","3","1") = "7"
    & skf18("6","1","8","2","8","4","1") = "7"
    & skf18("6","1","8","2","8","5","1") = "7"
    & skf18("6","1","8","2","8","6","1") = "7"
    & skf18("6","1","8","2","8","7","1") = "7"
    & skf18("6","1","8","2","8","8","1") = "7"
    & skf18("6","1","8","2","8","9","1") = "8"
    & skf18("6","1","8","2","8","10","1") = "9"
    & skf18("6","1","8","2","9","1","1") = "8"
    & skf18("6","1","8","2","9","2","1") = "8"
    & skf18("6","1","8","2","9","3","1") = "8"
    & skf18("6","1","8","2","9","4","1") = "8"
    & skf18("6","1","8","2","9","5","1") = "8"
    & skf18("6","1","8","2","9","6","1") = "8"
    & skf18("6","1","8","2","9","7","1") = "8"
    & skf18("6","1","8","2","9","8","1") = "8"
    & skf18("6","1","8","2","9","9","1") = "8"
    & skf18("6","1","8","2","9","10","1") = "9"
    & skf18("6","1","8","2","10","1","1") = "9"
    & skf18("6","1","8","2","10","2","1") = "9"
    & skf18("6","1","8","2","10","3","1") = "9"
    & skf18("6","1","8","2","10","4","1") = "9"
    & skf18("6","1","8","2","10","5","1") = "9"
    & skf18("6","1","8","2","10","6","1") = "9"
    & skf18("6","1","8","2","10","7","1") = "9"
    & skf18("6","1","8","2","10","8","1") = "9"
    & skf18("6","1","8","2","10","9","1") = "9"
    & skf18("6","1","8","2","10","10","1") = "9"
    & skf18("6","1","8","3","1","1","1") = "7"
    & skf18("6","1","8","3","1","2","1") = "7"
    & skf18("6","1","8","3","1","3","1") = "7"
    & skf18("6","1","8","3","1","4","1") = "7"
    & skf18("6","1","8","3","1","5","1") = "7"
    & skf18("6","1","8","3","1","6","1") = "7"
    & skf18("6","1","8","3","1","7","1") = "7"
    & skf18("6","1","8","3","1","8","1") = "7"
    & skf18("6","1","8","3","1","9","1") = "8"
    & skf18("6","1","8","3","1","10","1") = "9"
    & skf18("6","1","8","3","2","1","1") = "7"
    & skf18("6","1","8","3","2","2","1") = "7"
    & skf18("6","1","8","3","2","3","1") = "7"
    & skf18("6","1","8","3","2","4","1") = "7"
    & skf18("6","1","8","3","2","5","1") = "7"
    & skf18("6","1","8","3","2","6","1") = "7"
    & skf18("6","1","8","3","2","7","1") = "7"
    & skf18("6","1","8","3","2","8","1") = "7"
    & skf18("6","1","8","3","2","9","1") = "8"
    & skf18("6","1","8","3","2","10","1") = "9"
    & skf18("6","1","8","3","3","1","1") = "7"
    & skf18("6","1","8","3","3","2","1") = "7"
    & skf18("6","1","8","3","3","3","1") = "7"
    & skf18("6","1","8","3","3","4","1") = "7"
    & skf18("6","1","8","3","3","5","1") = "7"
    & skf18("6","1","8","3","3","6","1") = "7"
    & skf18("6","1","8","3","3","7","1") = "7"
    & skf18("6","1","8","3","3","8","1") = "7"
    & skf18("6","1","8","3","3","9","1") = "8"
    & skf18("6","1","8","3","3","10","1") = "9"
    & skf18("6","1","8","3","4","1","1") = "7"
    & skf18("6","1","8","3","4","2","1") = "7"
    & skf18("6","1","8","3","4","3","1") = "7"
    & skf18("6","1","8","3","4","4","1") = "7"
    & skf18("6","1","8","3","4","5","1") = "7"
    & skf18("6","1","8","3","4","6","1") = "7"
    & skf18("6","1","8","3","4","7","1") = "7"
    & skf18("6","1","8","3","4","8","1") = "7"
    & skf18("6","1","8","3","4","9","1") = "8"
    & skf18("6","1","8","3","4","10","1") = "9"
    & skf18("6","1","8","3","5","1","1") = "7"
    & skf18("6","1","8","3","5","2","1") = "7"
    & skf18("6","1","8","3","5","3","1") = "7"
    & skf18("6","1","8","3","5","4","1") = "7"
    & skf18("6","1","8","3","5","5","1") = "7"
    & skf18("6","1","8","3","5","6","1") = "7"
    & skf18("6","1","8","3","5","7","1") = "7"
    & skf18("6","1","8","3","5","8","1") = "7"
    & skf18("6","1","8","3","5","9","1") = "8"
    & skf18("6","1","8","3","5","10","1") = "9"
    & skf18("6","1","8","3","6","1","1") = "7"
    & skf18("6","1","8","3","6","2","1") = "7"
    & skf18("6","1","8","3","6","3","1") = "7"
    & skf18("6","1","8","3","6","4","1") = "7"
    & skf18("6","1","8","3","6","5","1") = "7"
    & skf18("6","1","8","3","6","6","1") = "7"
    & skf18("6","1","8","3","6","7","1") = "7"
    & skf18("6","1","8","3","6","8","1") = "7"
    & skf18("6","1","8","3","6","9","1") = "8"
    & skf18("6","1","8","3","6","10","1") = "9"
    & skf18("6","1","8","3","7","1","1") = "7"
    & skf18("6","1","8","3","7","2","1") = "7"
    & skf18("6","1","8","3","7","3","1") = "7"
    & skf18("6","1","8","3","7","4","1") = "7"
    & skf18("6","1","8","3","7","5","1") = "7"
    & skf18("6","1","8","3","7","6","1") = "7"
    & skf18("6","1","8","3","7","7","1") = "7"
    & skf18("6","1","8","3","7","8","1") = "7"
    & skf18("6","1","8","3","7","9","1") = "8"
    & skf18("6","1","8","3","7","10","1") = "9"
    & skf18("6","1","8","3","8","1","1") = "7"
    & skf18("6","1","8","3","8","2","1") = "7"
    & skf18("6","1","8","3","8","3","1") = "7"
    & skf18("6","1","8","3","8","4","1") = "7"
    & skf18("6","1","8","3","8","5","1") = "7"
    & skf18("6","1","8","3","8","6","1") = "7"
    & skf18("6","1","8","3","8","7","1") = "7"
    & skf18("6","1","8","3","8","8","1") = "7"
    & skf18("6","1","8","3","8","9","1") = "8"
    & skf18("6","1","8","3","8","10","1") = "9"
    & skf18("6","1","8","3","9","1","1") = "8"
    & skf18("6","1","8","3","9","2","1") = "8"
    & skf18("6","1","8","3","9","3","1") = "8"
    & skf18("6","1","8","3","9","4","1") = "8"
    & skf18("6","1","8","3","9","5","1") = "8"
    & skf18("6","1","8","3","9","6","1") = "8"
    & skf18("6","1","8","3","9","7","1") = "8"
    & skf18("6","1","8","3","9","8","1") = "8"
    & skf18("6","1","8","3","9","9","1") = "8"
    & skf18("6","1","8","3","9","10","1") = "9"
    & skf18("6","1","8","3","10","1","1") = "9"
    & skf18("6","1","8","3","10","2","1") = "9"
    & skf18("6","1","8","3","10","3","1") = "9"
    & skf18("6","1","8","3","10","4","1") = "9"
    & skf18("6","1","8","3","10","5","1") = "9"
    & skf18("6","1","8","3","10","6","1") = "9"
    & skf18("6","1","8","3","10","7","1") = "9"
    & skf18("6","1","8","3","10","8","1") = "9"
    & skf18("6","1","8","3","10","9","1") = "9"
    & skf18("6","1","8","3","10","10","1") = "9"
    & skf18("6","1","8","4","1","1","1") = "7"
    & skf18("6","1","8","4","1","2","1") = "7"
    & skf18("6","1","8","4","1","3","1") = "7"
    & skf18("6","1","8","4","1","4","1") = "7"
    & skf18("6","1","8","4","1","5","1") = "7"
    & skf18("6","1","8","4","1","6","1") = "7"
    & skf18("6","1","8","4","1","7","1") = "7"
    & skf18("6","1","8","4","1","8","1") = "7"
    & skf18("6","1","8","4","1","9","1") = "8"
    & skf18("6","1","8","4","1","10","1") = "9"
    & skf18("6","1","8","4","2","1","1") = "7"
    & skf18("6","1","8","4","2","2","1") = "7"
    & skf18("6","1","8","4","2","3","1") = "7"
    & skf18("6","1","8","4","2","4","1") = "7"
    & skf18("6","1","8","4","2","5","1") = "7"
    & skf18("6","1","8","4","2","6","1") = "7"
    & skf18("6","1","8","4","2","7","1") = "7"
    & skf18("6","1","8","4","2","8","1") = "7"
    & skf18("6","1","8","4","2","9","1") = "8"
    & skf18("6","1","8","4","2","10","1") = "9"
    & skf18("6","1","8","4","3","1","1") = "7"
    & skf18("6","1","8","4","3","2","1") = "7"
    & skf18("6","1","8","4","3","3","1") = "7"
    & skf18("6","1","8","4","3","4","1") = "7"
    & skf18("6","1","8","4","3","5","1") = "7"
    & skf18("6","1","8","4","3","6","1") = "7"
    & skf18("6","1","8","4","3","7","1") = "7"
    & skf18("6","1","8","4","3","8","1") = "7"
    & skf18("6","1","8","4","3","9","1") = "8"
    & skf18("6","1","8","4","3","10","1") = "9"
    & skf18("6","1","8","4","4","1","1") = "7"
    & skf18("6","1","8","4","4","2","1") = "7"
    & skf18("6","1","8","4","4","3","1") = "7"
    & skf18("6","1","8","4","4","4","1") = "7"
    & skf18("6","1","8","4","4","5","1") = "7"
    & skf18("6","1","8","4","4","6","1") = "7"
    & skf18("6","1","8","4","4","7","1") = "7"
    & skf18("6","1","8","4","4","8","1") = "7"
    & skf18("6","1","8","4","4","9","1") = "8"
    & skf18("6","1","8","4","4","10","1") = "9"
    & skf18("6","1","8","4","5","1","1") = "7"
    & skf18("6","1","8","4","5","2","1") = "7"
    & skf18("6","1","8","4","5","3","1") = "7"
    & skf18("6","1","8","4","5","4","1") = "7"
    & skf18("6","1","8","4","5","5","1") = "7"
    & skf18("6","1","8","4","5","6","1") = "7"
    & skf18("6","1","8","4","5","7","1") = "7"
    & skf18("6","1","8","4","5","8","1") = "7"
    & skf18("6","1","8","4","5","9","1") = "8"
    & skf18("6","1","8","4","5","10","1") = "9"
    & skf18("6","1","8","4","6","1","1") = "7"
    & skf18("6","1","8","4","6","2","1") = "7"
    & skf18("6","1","8","4","6","3","1") = "7"
    & skf18("6","1","8","4","6","4","1") = "7"
    & skf18("6","1","8","4","6","5","1") = "7"
    & skf18("6","1","8","4","6","6","1") = "7"
    & skf18("6","1","8","4","6","7","1") = "7"
    & skf18("6","1","8","4","6","8","1") = "7"
    & skf18("6","1","8","4","6","9","1") = "8"
    & skf18("6","1","8","4","6","10","1") = "9"
    & skf18("6","1","8","4","7","1","1") = "7"
    & skf18("6","1","8","4","7","2","1") = "7"
    & skf18("6","1","8","4","7","3","1") = "7"
    & skf18("6","1","8","4","7","4","1") = "7"
    & skf18("6","1","8","4","7","5","1") = "7"
    & skf18("6","1","8","4","7","6","1") = "7"
    & skf18("6","1","8","4","7","7","1") = "7"
    & skf18("6","1","8","4","7","8","1") = "7"
    & skf18("6","1","8","4","7","9","1") = "8"
    & skf18("6","1","8","4","7","10","1") = "9"
    & skf18("6","1","8","4","8","1","1") = "7"
    & skf18("6","1","8","4","8","2","1") = "7"
    & skf18("6","1","8","4","8","3","1") = "7"
    & skf18("6","1","8","4","8","4","1") = "7"
    & skf18("6","1","8","4","8","5","1") = "7"
    & skf18("6","1","8","4","8","6","1") = "7"
    & skf18("6","1","8","4","8","7","1") = "7"
    & skf18("6","1","8","4","8","8","1") = "7"
    & skf18("6","1","8","4","8","9","1") = "8"
    & skf18("6","1","8","4","8","10","1") = "9"
    & skf18("6","1","8","4","9","1","1") = "8"
    & skf18("6","1","8","4","9","2","1") = "8"
    & skf18("6","1","8","4","9","3","1") = "8"
    & skf18("6","1","8","4","9","4","1") = "8"
    & skf18("6","1","8","4","9","5","1") = "8"
    & skf18("6","1","8","4","9","6","1") = "8"
    & skf18("6","1","8","4","9","7","1") = "8"
    & skf18("6","1","8","4","9","8","1") = "8"
    & skf18("6","1","8","4","9","9","1") = "8"
    & skf18("6","1","8","4","9","10","1") = "9"
    & skf18("6","1","8","4","10","1","1") = "9"
    & skf18("6","1","8","4","10","2","1") = "9"
    & skf18("6","1","8","4","10","3","1") = "9"
    & skf18("6","1","8","4","10","4","1") = "9"
    & skf18("6","1","8","4","10","5","1") = "9"
    & skf18("6","1","8","4","10","6","1") = "9"
    & skf18("6","1","8","4","10","7","1") = "9"
    & skf18("6","1","8","4","10","8","1") = "9"
    & skf18("6","1","8","4","10","9","1") = "9"
    & skf18("6","1","8","4","10","10","1") = "9"
    & skf18("6","1","8","5","1","1","1") = "7"
    & skf18("6","1","8","5","1","2","1") = "7"
    & skf18("6","1","8","5","1","3","1") = "7"
    & skf18("6","1","8","5","1","4","1") = "7"
    & skf18("6","1","8","5","1","5","1") = "7"
    & skf18("6","1","8","5","1","6","1") = "7"
    & skf18("6","1","8","5","1","7","1") = "7"
    & skf18("6","1","8","5","1","8","1") = "7"
    & skf18("6","1","8","5","1","9","1") = "8"
    & skf18("6","1","8","5","1","10","1") = "9"
    & skf18("6","1","8","5","2","1","1") = "7"
    & skf18("6","1","8","5","2","2","1") = "7"
    & skf18("6","1","8","5","2","3","1") = "7"
    & skf18("6","1","8","5","2","4","1") = "7"
    & skf18("6","1","8","5","2","5","1") = "7"
    & skf18("6","1","8","5","2","6","1") = "7"
    & skf18("6","1","8","5","2","7","1") = "7"
    & skf18("6","1","8","5","2","8","1") = "7"
    & skf18("6","1","8","5","2","9","1") = "8"
    & skf18("6","1","8","5","2","10","1") = "9"
    & skf18("6","1","8","5","3","1","1") = "7"
    & skf18("6","1","8","5","3","2","1") = "7"
    & skf18("6","1","8","5","3","3","1") = "7"
    & skf18("6","1","8","5","3","4","1") = "7"
    & skf18("6","1","8","5","3","5","1") = "7"
    & skf18("6","1","8","5","3","6","1") = "7"
    & skf18("6","1","8","5","3","7","1") = "7"
    & skf18("6","1","8","5","3","8","1") = "7"
    & skf18("6","1","8","5","3","9","1") = "8"
    & skf18("6","1","8","5","3","10","1") = "9"
    & skf18("6","1","8","5","4","1","1") = "7"
    & skf18("6","1","8","5","4","2","1") = "7"
    & skf18("6","1","8","5","4","3","1") = "7"
    & skf18("6","1","8","5","4","4","1") = "7"
    & skf18("6","1","8","5","4","5","1") = "7"
    & skf18("6","1","8","5","4","6","1") = "7"
    & skf18("6","1","8","5","4","7","1") = "7"
    & skf18("6","1","8","5","4","8","1") = "7"
    & skf18("6","1","8","5","4","9","1") = "8"
    & skf18("6","1","8","5","4","10","1") = "9"
    & skf18("6","1","8","5","5","1","1") = "7"
    & skf18("6","1","8","5","5","2","1") = "7"
    & skf18("6","1","8","5","5","3","1") = "7"
    & skf18("6","1","8","5","5","4","1") = "7"
    & skf18("6","1","8","5","5","5","1") = "7"
    & skf18("6","1","8","5","5","6","1") = "7"
    & skf18("6","1","8","5","5","7","1") = "7"
    & skf18("6","1","8","5","5","8","1") = "7"
    & skf18("6","1","8","5","5","9","1") = "8"
    & skf18("6","1","8","5","5","10","1") = "9"
    & skf18("6","1","8","5","6","1","1") = "7"
    & skf18("6","1","8","5","6","2","1") = "7"
    & skf18("6","1","8","5","6","3","1") = "7"
    & skf18("6","1","8","5","6","4","1") = "7"
    & skf18("6","1","8","5","6","5","1") = "7"
    & skf18("6","1","8","5","6","6","1") = "7"
    & skf18("6","1","8","5","6","7","1") = "7"
    & skf18("6","1","8","5","6","8","1") = "7"
    & skf18("6","1","8","5","6","9","1") = "8"
    & skf18("6","1","8","5","6","10","1") = "9"
    & skf18("6","1","8","5","7","1","1") = "7"
    & skf18("6","1","8","5","7","2","1") = "7"
    & skf18("6","1","8","5","7","3","1") = "7"
    & skf18("6","1","8","5","7","4","1") = "7"
    & skf18("6","1","8","5","7","5","1") = "7"
    & skf18("6","1","8","5","7","6","1") = "7"
    & skf18("6","1","8","5","7","7","1") = "7"
    & skf18("6","1","8","5","7","8","1") = "7"
    & skf18("6","1","8","5","7","9","1") = "8"
    & skf18("6","1","8","5","7","10","1") = "9"
    & skf18("6","1","8","5","8","1","1") = "7"
    & skf18("6","1","8","5","8","2","1") = "7"
    & skf18("6","1","8","5","8","3","1") = "7"
    & skf18("6","1","8","5","8","4","1") = "7"
    & skf18("6","1","8","5","8","5","1") = "7"
    & skf18("6","1","8","5","8","6","1") = "7"
    & skf18("6","1","8","5","8","7","1") = "7"
    & skf18("6","1","8","5","8","8","1") = "7"
    & skf18("6","1","8","5","8","9","1") = "8"
    & skf18("6","1","8","5","8","10","1") = "9"
    & skf18("6","1","8","5","9","1","1") = "8"
    & skf18("6","1","8","5","9","2","1") = "8"
    & skf18("6","1","8","5","9","3","1") = "8"
    & skf18("6","1","8","5","9","4","1") = "8"
    & skf18("6","1","8","5","9","5","1") = "8"
    & skf18("6","1","8","5","9","6","1") = "8"
    & skf18("6","1","8","5","9","7","1") = "8"
    & skf18("6","1","8","5","9","8","1") = "8"
    & skf18("6","1","8","5","9","9","1") = "8"
    & skf18("6","1","8","5","9","10","1") = "9"
    & skf18("6","1","8","5","10","1","1") = "9"
    & skf18("6","1","8","5","10","2","1") = "9"
    & skf18("6","1","8","5","10","3","1") = "9"
    & skf18("6","1","8","5","10","4","1") = "9"
    & skf18("6","1","8","5","10","5","1") = "9"
    & skf18("6","1","8","5","10","6","1") = "9"
    & skf18("6","1","8","5","10","7","1") = "9"
    & skf18("6","1","8","5","10","8","1") = "9"
    & skf18("6","1","8","5","10","9","1") = "9"
    & skf18("6","1","8","5","10","10","1") = "9"
    & skf18("6","1","8","6","1","1","1") = "7"
    & skf18("6","1","8","6","1","2","1") = "7"
    & skf18("6","1","8","6","1","3","1") = "7"
    & skf18("6","1","8","6","1","4","1") = "7"
    & skf18("6","1","8","6","1","5","1") = "7"
    & skf18("6","1","8","6","1","6","1") = "7"
    & skf18("6","1","8","6","1","7","1") = "7"
    & skf18("6","1","8","6","1","8","1") = "7"
    & skf18("6","1","8","6","1","9","1") = "8"
    & skf18("6","1","8","6","1","10","1") = "9"
    & skf18("6","1","8","6","2","1","1") = "7"
    & skf18("6","1","8","6","2","2","1") = "7"
    & skf18("6","1","8","6","2","3","1") = "7"
    & skf18("6","1","8","6","2","4","1") = "7"
    & skf18("6","1","8","6","2","5","1") = "7"
    & skf18("6","1","8","6","2","6","1") = "7"
    & skf18("6","1","8","6","2","7","1") = "7"
    & skf18("6","1","8","6","2","8","1") = "7"
    & skf18("6","1","8","6","2","9","1") = "8"
    & skf18("6","1","8","6","2","10","1") = "9"
    & skf18("6","1","8","6","3","1","1") = "7"
    & skf18("6","1","8","6","3","2","1") = "7"
    & skf18("6","1","8","6","3","3","1") = "7"
    & skf18("6","1","8","6","3","4","1") = "7"
    & skf18("6","1","8","6","3","5","1") = "7"
    & skf18("6","1","8","6","3","6","1") = "7"
    & skf18("6","1","8","6","3","7","1") = "7"
    & skf18("6","1","8","6","3","8","1") = "7"
    & skf18("6","1","8","6","3","9","1") = "8"
    & skf18("6","1","8","6","3","10","1") = "9"
    & skf18("6","1","8","6","4","1","1") = "7"
    & skf18("6","1","8","6","4","2","1") = "7"
    & skf18("6","1","8","6","4","3","1") = "7"
    & skf18("6","1","8","6","4","4","1") = "7"
    & skf18("6","1","8","6","4","5","1") = "7"
    & skf18("6","1","8","6","4","6","1") = "7"
    & skf18("6","1","8","6","4","7","1") = "7"
    & skf18("6","1","8","6","4","8","1") = "7"
    & skf18("6","1","8","6","4","9","1") = "8"
    & skf18("6","1","8","6","4","10","1") = "9"
    & skf18("6","1","8","6","5","1","1") = "7"
    & skf18("6","1","8","6","5","2","1") = "7"
    & skf18("6","1","8","6","5","3","1") = "7"
    & skf18("6","1","8","6","5","4","1") = "7"
    & skf18("6","1","8","6","5","5","1") = "7"
    & skf18("6","1","8","6","5","6","1") = "7"
    & skf18("6","1","8","6","5","7","1") = "7"
    & skf18("6","1","8","6","5","8","1") = "7"
    & skf18("6","1","8","6","5","9","1") = "8"
    & skf18("6","1","8","6","5","10","1") = "9"
    & skf18("6","1","8","6","6","1","1") = "7"
    & skf18("6","1","8","6","6","2","1") = "7"
    & skf18("6","1","8","6","6","3","1") = "7"
    & skf18("6","1","8","6","6","4","1") = "7"
    & skf18("6","1","8","6","6","5","1") = "7"
    & skf18("6","1","8","6","6","6","1") = "7"
    & skf18("6","1","8","6","6","7","1") = "7"
    & skf18("6","1","8","6","6","8","1") = "7"
    & skf18("6","1","8","6","6","9","1") = "8"
    & skf18("6","1","8","6","6","10","1") = "9"
    & skf18("6","1","8","6","7","1","1") = "7"
    & skf18("6","1","8","6","7","2","1") = "7"
    & skf18("6","1","8","6","7","3","1") = "7"
    & skf18("6","1","8","6","7","4","1") = "7"
    & skf18("6","1","8","6","7","5","1") = "7"
    & skf18("6","1","8","6","7","6","1") = "7"
    & skf18("6","1","8","6","7","7","1") = "7"
    & skf18("6","1","8","6","7","8","1") = "7"
    & skf18("6","1","8","6","7","9","1") = "8"
    & skf18("6","1","8","6","7","10","1") = "9"
    & skf18("6","1","8","6","8","1","1") = "7"
    & skf18("6","1","8","6","8","2","1") = "7"
    & skf18("6","1","8","6","8","3","1") = "7"
    & skf18("6","1","8","6","8","4","1") = "7"
    & skf18("6","1","8","6","8","5","1") = "7"
    & skf18("6","1","8","6","8","6","1") = "7"
    & skf18("6","1","8","6","8","7","1") = "7"
    & skf18("6","1","8","6","8","8","1") = "7"
    & skf18("6","1","8","6","8","9","1") = "8"
    & skf18("6","1","8","6","8","10","1") = "9"
    & skf18("6","1","8","6","9","1","1") = "8"
    & skf18("6","1","8","6","9","2","1") = "8"
    & skf18("6","1","8","6","9","3","1") = "8"
    & skf18("6","1","8","6","9","4","1") = "8"
    & skf18("6","1","8","6","9","5","1") = "8"
    & skf18("6","1","8","6","9","6","1") = "8"
    & skf18("6","1","8","6","9","7","1") = "8"
    & skf18("6","1","8","6","9","8","1") = "8"
    & skf18("6","1","8","6","9","9","1") = "8"
    & skf18("6","1","8","6","9","10","1") = "9"
    & skf18("6","1","8","6","10","1","1") = "9"
    & skf18("6","1","8","6","10","2","1") = "9"
    & skf18("6","1","8","6","10","3","1") = "9"
    & skf18("6","1","8","6","10","4","1") = "9"
    & skf18("6","1","8","6","10","5","1") = "9"
    & skf18("6","1","8","6","10","6","1") = "9"
    & skf18("6","1","8","6","10","7","1") = "9"
    & skf18("6","1","8","6","10","8","1") = "9"
    & skf18("6","1","8","6","10","9","1") = "9"
    & skf18("6","1","8","6","10","10","1") = "9"
    & skf18("6","1","8","7","1","1","1") = "7"
    & skf18("6","1","8","7","1","2","1") = "7"
    & skf18("6","1","8","7","1","3","1") = "7"
    & skf18("6","1","8","7","1","4","1") = "7"
    & skf18("6","1","8","7","1","5","1") = "7"
    & skf18("6","1","8","7","1","6","1") = "7"
    & skf18("6","1","8","7","1","7","1") = "7"
    & skf18("6","1","8","7","1","8","1") = "7"
    & skf18("6","1","8","7","1","9","1") = "8"
    & skf18("6","1","8","7","1","10","1") = "9"
    & skf18("6","1","8","7","2","1","1") = "7"
    & skf18("6","1","8","7","2","2","1") = "7"
    & skf18("6","1","8","7","2","3","1") = "7"
    & skf18("6","1","8","7","2","4","1") = "7"
    & skf18("6","1","8","7","2","5","1") = "7"
    & skf18("6","1","8","7","2","6","1") = "7"
    & skf18("6","1","8","7","2","7","1") = "7"
    & skf18("6","1","8","7","2","8","1") = "7"
    & skf18("6","1","8","7","2","9","1") = "8"
    & skf18("6","1","8","7","2","10","1") = "9"
    & skf18("6","1","8","7","3","1","1") = "7"
    & skf18("6","1","8","7","3","2","1") = "7"
    & skf18("6","1","8","7","3","3","1") = "7"
    & skf18("6","1","8","7","3","4","1") = "7"
    & skf18("6","1","8","7","3","5","1") = "7"
    & skf18("6","1","8","7","3","6","1") = "7"
    & skf18("6","1","8","7","3","7","1") = "7"
    & skf18("6","1","8","7","3","8","1") = "7"
    & skf18("6","1","8","7","3","9","1") = "8"
    & skf18("6","1","8","7","3","10","1") = "9"
    & skf18("6","1","8","7","4","1","1") = "7"
    & skf18("6","1","8","7","4","2","1") = "7"
    & skf18("6","1","8","7","4","3","1") = "7"
    & skf18("6","1","8","7","4","4","1") = "7"
    & skf18("6","1","8","7","4","5","1") = "7"
    & skf18("6","1","8","7","4","6","1") = "7"
    & skf18("6","1","8","7","4","7","1") = "7"
    & skf18("6","1","8","7","4","8","1") = "7"
    & skf18("6","1","8","7","4","9","1") = "8"
    & skf18("6","1","8","7","4","10","1") = "9"
    & skf18("6","1","8","7","5","1","1") = "7"
    & skf18("6","1","8","7","5","2","1") = "7"
    & skf18("6","1","8","7","5","3","1") = "7"
    & skf18("6","1","8","7","5","4","1") = "7"
    & skf18("6","1","8","7","5","5","1") = "7"
    & skf18("6","1","8","7","5","6","1") = "7"
    & skf18("6","1","8","7","5","7","1") = "7"
    & skf18("6","1","8","7","5","8","1") = "7"
    & skf18("6","1","8","7","5","9","1") = "8"
    & skf18("6","1","8","7","5","10","1") = "9"
    & skf18("6","1","8","7","6","1","1") = "7"
    & skf18("6","1","8","7","6","2","1") = "7"
    & skf18("6","1","8","7","6","3","1") = "7"
    & skf18("6","1","8","7","6","4","1") = "7"
    & skf18("6","1","8","7","6","5","1") = "7"
    & skf18("6","1","8","7","6","6","1") = "7"
    & skf18("6","1","8","7","6","7","1") = "7"
    & skf18("6","1","8","7","6","8","1") = "7"
    & skf18("6","1","8","7","6","9","1") = "8"
    & skf18("6","1","8","7","6","10","1") = "9"
    & skf18("6","1","8","7","7","1","1") = "7"
    & skf18("6","1","8","7","7","2","1") = "7"
    & skf18("6","1","8","7","7","3","1") = "7"
    & skf18("6","1","8","7","7","4","1") = "7"
    & skf18("6","1","8","7","7","5","1") = "7"
    & skf18("6","1","8","7","7","6","1") = "7"
    & skf18("6","1","8","7","7","7","1") = "7"
    & skf18("6","1","8","7","7","8","1") = "7"
    & skf18("6","1","8","7","7","9","1") = "8"
    & skf18("6","1","8","7","7","10","1") = "9"
    & skf18("6","1","8","7","8","1","1") = "7"
    & skf18("6","1","8","7","8","2","1") = "7"
    & skf18("6","1","8","7","8","3","1") = "7"
    & skf18("6","1","8","7","8","4","1") = "7"
    & skf18("6","1","8","7","8","5","1") = "7"
    & skf18("6","1","8","7","8","6","1") = "7"
    & skf18("6","1","8","7","8","7","1") = "7"
    & skf18("6","1","8","7","8","8","1") = "7"
    & skf18("6","1","8","7","8","9","1") = "8"
    & skf18("6","1","8","7","8","10","1") = "9"
    & skf18("6","1","8","7","9","1","1") = "8"
    & skf18("6","1","8","7","9","2","1") = "8"
    & skf18("6","1","8","7","9","3","1") = "8"
    & skf18("6","1","8","7","9","4","1") = "8"
    & skf18("6","1","8","7","9","5","1") = "8"
    & skf18("6","1","8","7","9","6","1") = "8"
    & skf18("6","1","8","7","9","7","1") = "8"
    & skf18("6","1","8","7","9","8","1") = "8"
    & skf18("6","1","8","7","9","9","1") = "8"
    & skf18("6","1","8","7","9","10","1") = "9"
    & skf18("6","1","8","7","10","1","1") = "9"
    & skf18("6","1","8","7","10","2","1") = "9"
    & skf18("6","1","8","7","10","3","1") = "9"
    & skf18("6","1","8","7","10","4","1") = "9"
    & skf18("6","1","8","7","10","5","1") = "9"
    & skf18("6","1","8","7","10","6","1") = "9"
    & skf18("6","1","8","7","10","7","1") = "9"
    & skf18("6","1","8","7","10","8","1") = "9"
    & skf18("6","1","8","7","10","9","1") = "9"
    & skf18("6","1","8","7","10","10","1") = "9"
    & skf18("6","1","8","8","1","1","1") = "7"
    & skf18("6","1","8","8","1","2","1") = "7"
    & skf18("6","1","8","8","1","3","1") = "7"
    & skf18("6","1","8","8","1","4","1") = "7"
    & skf18("6","1","8","8","1","5","1") = "7"
    & skf18("6","1","8","8","1","6","1") = "7"
    & skf18("6","1","8","8","1","7","1") = "7"
    & skf18("6","1","8","8","1","8","1") = "7"
    & skf18("6","1","8","8","1","9","1") = "8"
    & skf18("6","1","8","8","1","10","1") = "9"
    & skf18("6","1","8","8","2","1","1") = "7"
    & skf18("6","1","8","8","2","2","1") = "7"
    & skf18("6","1","8","8","2","3","1") = "7"
    & skf18("6","1","8","8","2","4","1") = "7"
    & skf18("6","1","8","8","2","5","1") = "7"
    & skf18("6","1","8","8","2","6","1") = "7"
    & skf18("6","1","8","8","2","7","1") = "7"
    & skf18("6","1","8","8","2","8","1") = "7"
    & skf18("6","1","8","8","2","9","1") = "8"
    & skf18("6","1","8","8","2","10","1") = "9"
    & skf18("6","1","8","8","3","1","1") = "7"
    & skf18("6","1","8","8","3","2","1") = "7"
    & skf18("6","1","8","8","3","3","1") = "7"
    & skf18("6","1","8","8","3","4","1") = "7"
    & skf18("6","1","8","8","3","5","1") = "7"
    & skf18("6","1","8","8","3","6","1") = "7"
    & skf18("6","1","8","8","3","7","1") = "7"
    & skf18("6","1","8","8","3","8","1") = "7"
    & skf18("6","1","8","8","3","9","1") = "8"
    & skf18("6","1","8","8","3","10","1") = "9"
    & skf18("6","1","8","8","4","1","1") = "7"
    & skf18("6","1","8","8","4","2","1") = "7"
    & skf18("6","1","8","8","4","3","1") = "7"
    & skf18("6","1","8","8","4","4","1") = "7"
    & skf18("6","1","8","8","4","5","1") = "7"
    & skf18("6","1","8","8","4","6","1") = "7"
    & skf18("6","1","8","8","4","7","1") = "7"
    & skf18("6","1","8","8","4","8","1") = "7"
    & skf18("6","1","8","8","4","9","1") = "8"
    & skf18("6","1","8","8","4","10","1") = "9"
    & skf18("6","1","8","8","5","1","1") = "7"
    & skf18("6","1","8","8","5","2","1") = "7"
    & skf18("6","1","8","8","5","3","1") = "7"
    & skf18("6","1","8","8","5","4","1") = "7"
    & skf18("6","1","8","8","5","5","1") = "7"
    & skf18("6","1","8","8","5","6","1") = "7"
    & skf18("6","1","8","8","5","7","1") = "7"
    & skf18("6","1","8","8","5","8","1") = "7"
    & skf18("6","1","8","8","5","9","1") = "8"
    & skf18("6","1","8","8","5","10","1") = "9"
    & skf18("6","1","8","8","6","1","1") = "7"
    & skf18("6","1","8","8","6","2","1") = "7"
    & skf18("6","1","8","8","6","3","1") = "7"
    & skf18("6","1","8","8","6","4","1") = "7"
    & skf18("6","1","8","8","6","5","1") = "7"
    & skf18("6","1","8","8","6","6","1") = "7"
    & skf18("6","1","8","8","6","7","1") = "7"
    & skf18("6","1","8","8","6","8","1") = "7"
    & skf18("6","1","8","8","6","9","1") = "8"
    & skf18("6","1","8","8","6","10","1") = "9"
    & skf18("6","1","8","8","7","1","1") = "7"
    & skf18("6","1","8","8","7","2","1") = "7"
    & skf18("6","1","8","8","7","3","1") = "7"
    & skf18("6","1","8","8","7","4","1") = "7"
    & skf18("6","1","8","8","7","5","1") = "7"
    & skf18("6","1","8","8","7","6","1") = "7"
    & skf18("6","1","8","8","7","7","1") = "7"
    & skf18("6","1","8","8","7","8","1") = "7"
    & skf18("6","1","8","8","7","9","1") = "8"
    & skf18("6","1","8","8","7","10","1") = "9"
    & skf18("6","1","8","8","8","1","1") = "7"
    & skf18("6","1","8","8","8","2","1") = "7"
    & skf18("6","1","8","8","8","3","1") = "7"
    & skf18("6","1","8","8","8","4","1") = "7"
    & skf18("6","1","8","8","8","5","1") = "7"
    & skf18("6","1","8","8","8","6","1") = "7"
    & skf18("6","1","8","8","8","7","1") = "7"
    & skf18("6","1","8","8","8","8","1") = "7"
    & skf18("6","1","8","8","8","9","1") = "8"
    & skf18("6","1","8","8","8","10","1") = "9"
    & skf18("6","1","8","8","9","1","1") = "8"
    & skf18("6","1","8","8","9","2","1") = "8"
    & skf18("6","1","8","8","9","3","1") = "8"
    & skf18("6","1","8","8","9","4","1") = "8"
    & skf18("6","1","8","8","9","5","1") = "8"
    & skf18("6","1","8","8","9","6","1") = "8"
    & skf18("6","1","8","8","9","7","1") = "8"
    & skf18("6","1","8","8","9","8","1") = "8"
    & skf18("6","1","8","8","9","9","1") = "8"
    & skf18("6","1","8","8","9","10","1") = "9"
    & skf18("6","1","8","8","10","1","1") = "9"
    & skf18("6","1","8","8","10","2","1") = "9"
    & skf18("6","1","8","8","10","3","1") = "9"
    & skf18("6","1","8","8","10","4","1") = "9"
    & skf18("6","1","8","8","10","5","1") = "9"
    & skf18("6","1","8","8","10","6","1") = "9"
    & skf18("6","1","8","8","10","7","1") = "9"
    & skf18("6","1","8","8","10","8","1") = "9"
    & skf18("6","1","8","8","10","9","1") = "9"
    & skf18("6","1","8","8","10","10","1") = "9"
    & skf18("6","1","8","9","1","1","1") = "8"
    & skf18("6","1","8","9","1","2","1") = "8"
    & skf18("6","1","8","9","1","3","1") = "8"
    & skf18("6","1","8","9","1","4","1") = "8"
    & skf18("6","1","8","9","1","5","1") = "8"
    & skf18("6","1","8","9","1","6","1") = "8"
    & skf18("6","1","8","9","1","7","1") = "8"
    & skf18("6","1","8","9","1","8","1") = "8"
    & skf18("6","1","8","9","1","9","1") = "8"
    & skf18("6","1","8","9","1","10","1") = "9"
    & skf18("6","1","8","9","2","1","1") = "8"
    & skf18("6","1","8","9","2","2","1") = "8"
    & skf18("6","1","8","9","2","3","1") = "8"
    & skf18("6","1","8","9","2","4","1") = "8"
    & skf18("6","1","8","9","2","5","1") = "8"
    & skf18("6","1","8","9","2","6","1") = "8"
    & skf18("6","1","8","9","2","7","1") = "8"
    & skf18("6","1","8","9","2","8","1") = "8"
    & skf18("6","1","8","9","2","9","1") = "8"
    & skf18("6","1","8","9","2","10","1") = "9"
    & skf18("6","1","8","9","3","1","1") = "8"
    & skf18("6","1","8","9","3","2","1") = "8"
    & skf18("6","1","8","9","3","3","1") = "8"
    & skf18("6","1","8","9","3","4","1") = "8"
    & skf18("6","1","8","9","3","5","1") = "8"
    & skf18("6","1","8","9","3","6","1") = "8"
    & skf18("6","1","8","9","3","7","1") = "8"
    & skf18("6","1","8","9","3","8","1") = "8"
    & skf18("6","1","8","9","3","9","1") = "8"
    & skf18("6","1","8","9","3","10","1") = "9"
    & skf18("6","1","8","9","4","1","1") = "8"
    & skf18("6","1","8","9","4","2","1") = "8"
    & skf18("6","1","8","9","4","3","1") = "8"
    & skf18("6","1","8","9","4","4","1") = "8"
    & skf18("6","1","8","9","4","5","1") = "8"
    & skf18("6","1","8","9","4","6","1") = "8"
    & skf18("6","1","8","9","4","7","1") = "8"
    & skf18("6","1","8","9","4","8","1") = "8"
    & skf18("6","1","8","9","4","9","1") = "8"
    & skf18("6","1","8","9","4","10","1") = "9"
    & skf18("6","1","8","9","5","1","1") = "8"
    & skf18("6","1","8","9","5","2","1") = "8"
    & skf18("6","1","8","9","5","3","1") = "8"
    & skf18("6","1","8","9","5","4","1") = "8"
    & skf18("6","1","8","9","5","5","1") = "8"
    & skf18("6","1","8","9","5","6","1") = "8"
    & skf18("6","1","8","9","5","7","1") = "8"
    & skf18("6","1","8","9","5","8","1") = "8"
    & skf18("6","1","8","9","5","9","1") = "8"
    & skf18("6","1","8","9","5","10","1") = "9"
    & skf18("6","1","8","9","6","1","1") = "8"
    & skf18("6","1","8","9","6","2","1") = "8"
    & skf18("6","1","8","9","6","3","1") = "8"
    & skf18("6","1","8","9","6","4","1") = "8"
    & skf18("6","1","8","9","6","5","1") = "8"
    & skf18("6","1","8","9","6","6","1") = "8"
    & skf18("6","1","8","9","6","7","1") = "8"
    & skf18("6","1","8","9","6","8","1") = "8"
    & skf18("6","1","8","9","6","9","1") = "8"
    & skf18("6","1","8","9","6","10","1") = "9"
    & skf18("6","1","8","9","7","1","1") = "8"
    & skf18("6","1","8","9","7","2","1") = "8"
    & skf18("6","1","8","9","7","3","1") = "8"
    & skf18("6","1","8","9","7","4","1") = "8"
    & skf18("6","1","8","9","7","5","1") = "8"
    & skf18("6","1","8","9","7","6","1") = "8"
    & skf18("6","1","8","9","7","7","1") = "8"
    & skf18("6","1","8","9","7","8","1") = "8"
    & skf18("6","1","8","9","7","9","1") = "8"
    & skf18("6","1","8","9","7","10","1") = "9"
    & skf18("6","1","8","9","8","1","1") = "8"
    & skf18("6","1","8","9","8","2","1") = "8"
    & skf18("6","1","8","9","8","3","1") = "8"
    & skf18("6","1","8","9","8","4","1") = "8"
    & skf18("6","1","8","9","8","5","1") = "8"
    & skf18("6","1","8","9","8","6","1") = "8"
    & skf18("6","1","8","9","8","7","1") = "8"
    & skf18("6","1","8","9","8","8","1") = "8"
    & skf18("6","1","8","9","8","9","1") = "8"
    & skf18("6","1","8","9","8","10","1") = "9"
    & skf18("6","1","8","9","9","1","1") = "8"
    & skf18("6","1","8","9","9","2","1") = "8"
    & skf18("6","1","8","9","9","3","1") = "8"
    & skf18("6","1","8","9","9","4","1") = "8"
    & skf18("6","1","8","9","9","5","1") = "8"
    & skf18("6","1","8","9","9","6","1") = "8"
    & skf18("6","1","8","9","9","7","1") = "8"
    & skf18("6","1","8","9","9","8","1") = "8"
    & skf18("6","1","8","9","9","9","1") = "8"
    & skf18("6","1","8","9","9","10","1") = "9"
    & skf18("6","1","8","9","10","1","1") = "9"
    & skf18("6","1","8","9","10","2","1") = "9"
    & skf18("6","1","8","9","10","3","1") = "9"
    & skf18("6","1","8","9","10","4","1") = "9"
    & skf18("6","1","8","9","10","5","1") = "9"
    & skf18("6","1","8","9","10","6","1") = "9"
    & skf18("6","1","8","9","10","7","1") = "9"
    & skf18("6","1","8","9","10","8","1") = "9"
    & skf18("6","1","8","9","10","9","1") = "9"
    & skf18("6","1","8","9","10","10","1") = "9"
    & skf18("6","1","8","10","1","1","1") = "9"
    & skf18("6","1","8","10","1","2","1") = "9"
    & skf18("6","1","8","10","1","3","1") = "9"
    & skf18("6","1","8","10","1","4","1") = "9"
    & skf18("6","1","8","10","1","5","1") = "9"
    & skf18("6","1","8","10","1","6","1") = "9"
    & skf18("6","1","8","10","1","7","1") = "9"
    & skf18("6","1","8","10","1","8","1") = "9"
    & skf18("6","1","8","10","1","9","1") = "9"
    & skf18("6","1","8","10","1","10","1") = "9"
    & skf18("6","1","8","10","2","1","1") = "9"
    & skf18("6","1","8","10","2","2","1") = "9"
    & skf18("6","1","8","10","2","3","1") = "9"
    & skf18("6","1","8","10","2","4","1") = "9"
    & skf18("6","1","8","10","2","5","1") = "9"
    & skf18("6","1","8","10","2","6","1") = "9"
    & skf18("6","1","8","10","2","7","1") = "9"
    & skf18("6","1","8","10","2","8","1") = "9"
    & skf18("6","1","8","10","2","9","1") = "9"
    & skf18("6","1","8","10","2","10","1") = "9"
    & skf18("6","1","8","10","3","1","1") = "9"
    & skf18("6","1","8","10","3","2","1") = "9"
    & skf18("6","1","8","10","3","3","1") = "9"
    & skf18("6","1","8","10","3","4","1") = "9"
    & skf18("6","1","8","10","3","5","1") = "9"
    & skf18("6","1","8","10","3","6","1") = "9"
    & skf18("6","1","8","10","3","7","1") = "9"
    & skf18("6","1","8","10","3","8","1") = "9"
    & skf18("6","1","8","10","3","9","1") = "9"
    & skf18("6","1","8","10","3","10","1") = "9"
    & skf18("6","1","8","10","4","1","1") = "9"
    & skf18("6","1","8","10","4","2","1") = "9"
    & skf18("6","1","8","10","4","3","1") = "9"
    & skf18("6","1","8","10","4","4","1") = "9"
    & skf18("6","1","8","10","4","5","1") = "9"
    & skf18("6","1","8","10","4","6","1") = "9"
    & skf18("6","1","8","10","4","7","1") = "9"
    & skf18("6","1","8","10","4","8","1") = "9"
    & skf18("6","1","8","10","4","9","1") = "9"
    & skf18("6","1","8","10","4","10","1") = "9"
    & skf18("6","1","8","10","5","1","1") = "9"
    & skf18("6","1","8","10","5","2","1") = "9"
    & skf18("6","1","8","10","5","3","1") = "9"
    & skf18("6","1","8","10","5","4","1") = "9"
    & skf18("6","1","8","10","5","5","1") = "9"
    & skf18("6","1","8","10","5","6","1") = "9"
    & skf18("6","1","8","10","5","7","1") = "9"
    & skf18("6","1","8","10","5","8","1") = "9"
    & skf18("6","1","8","10","5","9","1") = "9"
    & skf18("6","1","8","10","5","10","1") = "9"
    & skf18("6","1","8","10","6","1","1") = "9"
    & skf18("6","1","8","10","6","2","1") = "9"
    & skf18("6","1","8","10","6","3","1") = "9"
    & skf18("6","1","8","10","6","4","1") = "9"
    & skf18("6","1","8","10","6","5","1") = "9"
    & skf18("6","1","8","10","6","6","1") = "9"
    & skf18("6","1","8","10","6","7","1") = "9"
    & skf18("6","1","8","10","6","8","1") = "9"
    & skf18("6","1","8","10","6","9","1") = "9"
    & skf18("6","1","8","10","6","10","1") = "9"
    & skf18("6","1","8","10","7","1","1") = "9"
    & skf18("6","1","8","10","7","2","1") = "9"
    & skf18("6","1","8","10","7","3","1") = "9"
    & skf18("6","1","8","10","7","4","1") = "9"
    & skf18("6","1","8","10","7","5","1") = "9"
    & skf18("6","1","8","10","7","6","1") = "9"
    & skf18("6","1","8","10","7","7","1") = "9"
    & skf18("6","1","8","10","7","8","1") = "9"
    & skf18("6","1","8","10","7","9","1") = "9"
    & skf18("6","1","8","10","7","10","1") = "9"
    & skf18("6","1","8","10","8","1","1") = "9"
    & skf18("6","1","8","10","8","2","1") = "9"
    & skf18("6","1","8","10","8","3","1") = "9"
    & skf18("6","1","8","10","8","4","1") = "9"
    & skf18("6","1","8","10","8","5","1") = "9"
    & skf18("6","1","8","10","8","6","1") = "9"
    & skf18("6","1","8","10","8","7","1") = "9"
    & skf18("6","1","8","10","8","8","1") = "9"
    & skf18("6","1","8","10","8","9","1") = "9"
    & skf18("6","1","8","10","8","10","1") = "9"
    & skf18("6","1","8","10","9","1","1") = "9"
    & skf18("6","1","8","10","9","2","1") = "9"
    & skf18("6","1","8","10","9","3","1") = "9"
    & skf18("6","1","8","10","9","4","1") = "9"
    & skf18("6","1","8","10","9","5","1") = "9"
    & skf18("6","1","8","10","9","6","1") = "9"
    & skf18("6","1","8","10","9","7","1") = "9"
    & skf18("6","1","8","10","9","8","1") = "9"
    & skf18("6","1","8","10","9","9","1") = "9"
    & skf18("6","1","8","10","9","10","1") = "9"
    & skf18("6","1","8","10","10","1","1") = "9"
    & skf18("6","1","8","10","10","2","1") = "9"
    & skf18("6","1","8","10","10","3","1") = "9"
    & skf18("6","1","8","10","10","4","1") = "9"
    & skf18("6","1","8","10","10","5","1") = "9"
    & skf18("6","1","8","10","10","6","1") = "9"
    & skf18("6","1","8","10","10","7","1") = "9"
    & skf18("6","1","8","10","10","8","1") = "9"
    & skf18("6","1","8","10","10","9","1") = "9"
    & skf18("6","1","8","10","10","10","1") = "9"
    & skf18("6","1","9","1","1","1","1") = "8"
    & skf18("6","1","9","1","1","2","1") = "8"
    & skf18("6","1","9","1","1","3","1") = "8"
    & skf18("6","1","9","1","1","4","1") = "8"
    & skf18("6","1","9","1","1","5","1") = "8"
    & skf18("6","1","9","1","1","6","1") = "8"
    & skf18("6","1","9","1","1","7","1") = "8"
    & skf18("6","1","9","1","1","8","1") = "8"
    & skf18("6","1","9","1","1","9","1") = "8"
    & skf18("6","1","9","1","1","10","1") = "9"
    & skf18("6","1","9","1","2","1","1") = "8"
    & skf18("6","1","9","1","2","2","1") = "8"
    & skf18("6","1","9","1","2","3","1") = "8"
    & skf18("6","1","9","1","2","4","1") = "8"
    & skf18("6","1","9","1","2","5","1") = "8"
    & skf18("6","1","9","1","2","6","1") = "8"
    & skf18("6","1","9","1","2","7","1") = "8"
    & skf18("6","1","9","1","2","8","1") = "8"
    & skf18("6","1","9","1","2","9","1") = "8"
    & skf18("6","1","9","1","2","10","1") = "9"
    & skf18("6","1","9","1","3","1","1") = "8"
    & skf18("6","1","9","1","3","2","1") = "8"
    & skf18("6","1","9","1","3","3","1") = "8"
    & skf18("6","1","9","1","3","4","1") = "8"
    & skf18("6","1","9","1","3","5","1") = "8"
    & skf18("6","1","9","1","3","6","1") = "8"
    & skf18("6","1","9","1","3","7","1") = "8"
    & skf18("6","1","9","1","3","8","1") = "8"
    & skf18("6","1","9","1","3","9","1") = "8"
    & skf18("6","1","9","1","3","10","1") = "9"
    & skf18("6","1","9","1","4","1","1") = "8"
    & skf18("6","1","9","1","4","2","1") = "8"
    & skf18("6","1","9","1","4","3","1") = "8"
    & skf18("6","1","9","1","4","4","1") = "8"
    & skf18("6","1","9","1","4","5","1") = "8"
    & skf18("6","1","9","1","4","6","1") = "8"
    & skf18("6","1","9","1","4","7","1") = "8"
    & skf18("6","1","9","1","4","8","1") = "8"
    & skf18("6","1","9","1","4","9","1") = "8"
    & skf18("6","1","9","1","4","10","1") = "9"
    & skf18("6","1","9","1","5","1","1") = "8"
    & skf18("6","1","9","1","5","2","1") = "8"
    & skf18("6","1","9","1","5","3","1") = "8"
    & skf18("6","1","9","1","5","4","1") = "8"
    & skf18("6","1","9","1","5","5","1") = "8"
    & skf18("6","1","9","1","5","6","1") = "8"
    & skf18("6","1","9","1","5","7","1") = "8"
    & skf18("6","1","9","1","5","8","1") = "8"
    & skf18("6","1","9","1","5","9","1") = "8"
    & skf18("6","1","9","1","5","10","1") = "9"
    & skf18("6","1","9","1","6","1","1") = "8"
    & skf18("6","1","9","1","6","2","1") = "8"
    & skf18("6","1","9","1","6","3","1") = "8"
    & skf18("6","1","9","1","6","4","1") = "8"
    & skf18("6","1","9","1","6","5","1") = "8"
    & skf18("6","1","9","1","6","6","1") = "8"
    & skf18("6","1","9","1","6","7","1") = "8"
    & skf18("6","1","9","1","6","8","1") = "8"
    & skf18("6","1","9","1","6","9","1") = "8"
    & skf18("6","1","9","1","6","10","1") = "9"
    & skf18("6","1","9","1","7","1","1") = "8"
    & skf18("6","1","9","1","7","2","1") = "8"
    & skf18("6","1","9","1","7","3","1") = "8"
    & skf18("6","1","9","1","7","4","1") = "8"
    & skf18("6","1","9","1","7","5","1") = "8"
    & skf18("6","1","9","1","7","6","1") = "8"
    & skf18("6","1","9","1","7","7","1") = "8"
    & skf18("6","1","9","1","7","8","1") = "8"
    & skf18("6","1","9","1","7","9","1") = "8"
    & skf18("6","1","9","1","7","10","1") = "9"
    & skf18("6","1","9","1","8","1","1") = "8"
    & skf18("6","1","9","1","8","2","1") = "8"
    & skf18("6","1","9","1","8","3","1") = "8"
    & skf18("6","1","9","1","8","4","1") = "8"
    & skf18("6","1","9","1","8","5","1") = "8"
    & skf18("6","1","9","1","8","6","1") = "8"
    & skf18("6","1","9","1","8","7","1") = "8"
    & skf18("6","1","9","1","8","8","1") = "8"
    & skf18("6","1","9","1","8","9","1") = "8"
    & skf18("6","1","9","1","8","10","1") = "9"
    & skf18("6","1","9","1","9","1","1") = "8"
    & skf18("6","1","9","1","9","2","1") = "8"
    & skf18("6","1","9","1","9","3","1") = "8"
    & skf18("6","1","9","1","9","4","1") = "8"
    & skf18("6","1","9","1","9","5","1") = "8"
    & skf18("6","1","9","1","9","6","1") = "8"
    & skf18("6","1","9","1","9","7","1") = "8"
    & skf18("6","1","9","1","9","8","1") = "8"
    & skf18("6","1","9","1","9","9","1") = "8"
    & skf18("6","1","9","1","9","10","1") = "9"
    & skf18("6","1","9","1","10","1","1") = "9"
    & skf18("6","1","9","1","10","2","1") = "9"
    & skf18("6","1","9","1","10","3","1") = "9"
    & skf18("6","1","9","1","10","4","1") = "9"
    & skf18("6","1","9","1","10","5","1") = "9"
    & skf18("6","1","9","1","10","6","1") = "9"
    & skf18("6","1","9","1","10","7","1") = "9"
    & skf18("6","1","9","1","10","8","1") = "9"
    & skf18("6","1","9","1","10","9","1") = "9"
    & skf18("6","1","9","1","10","10","1") = "9"
    & skf18("6","1","9","2","1","1","1") = "8"
    & skf18("6","1","9","2","1","2","1") = "8"
    & skf18("6","1","9","2","1","3","1") = "8"
    & skf18("6","1","9","2","1","4","1") = "8"
    & skf18("6","1","9","2","1","5","1") = "8"
    & skf18("6","1","9","2","1","6","1") = "8"
    & skf18("6","1","9","2","1","7","1") = "8"
    & skf18("6","1","9","2","1","8","1") = "8"
    & skf18("6","1","9","2","1","9","1") = "8"
    & skf18("6","1","9","2","1","10","1") = "9"
    & skf18("6","1","9","2","2","1","1") = "8"
    & skf18("6","1","9","2","2","2","1") = "8"
    & skf18("6","1","9","2","2","3","1") = "8"
    & skf18("6","1","9","2","2","4","1") = "8"
    & skf18("6","1","9","2","2","5","1") = "8"
    & skf18("6","1","9","2","2","6","1") = "8"
    & skf18("6","1","9","2","2","7","1") = "8"
    & skf18("6","1","9","2","2","8","1") = "8"
    & skf18("6","1","9","2","2","9","1") = "8"
    & skf18("6","1","9","2","2","10","1") = "9"
    & skf18("6","1","9","2","3","1","1") = "8"
    & skf18("6","1","9","2","3","2","1") = "8"
    & skf18("6","1","9","2","3","3","1") = "8"
    & skf18("6","1","9","2","3","4","1") = "8"
    & skf18("6","1","9","2","3","5","1") = "8"
    & skf18("6","1","9","2","3","6","1") = "8"
    & skf18("6","1","9","2","3","7","1") = "8"
    & skf18("6","1","9","2","3","8","1") = "8"
    & skf18("6","1","9","2","3","9","1") = "8"
    & skf18("6","1","9","2","3","10","1") = "9"
    & skf18("6","1","9","2","4","1","1") = "8"
    & skf18("6","1","9","2","4","2","1") = "8"
    & skf18("6","1","9","2","4","3","1") = "8"
    & skf18("6","1","9","2","4","4","1") = "8"
    & skf18("6","1","9","2","4","5","1") = "8"
    & skf18("6","1","9","2","4","6","1") = "8"
    & skf18("6","1","9","2","4","7","1") = "8"
    & skf18("6","1","9","2","4","8","1") = "8"
    & skf18("6","1","9","2","4","9","1") = "8"
    & skf18("6","1","9","2","4","10","1") = "9"
    & skf18("6","1","9","2","5","1","1") = "8"
    & skf18("6","1","9","2","5","2","1") = "8"
    & skf18("6","1","9","2","5","3","1") = "8"
    & skf18("6","1","9","2","5","4","1") = "8"
    & skf18("6","1","9","2","5","5","1") = "8"
    & skf18("6","1","9","2","5","6","1") = "8"
    & skf18("6","1","9","2","5","7","1") = "8"
    & skf18("6","1","9","2","5","8","1") = "8"
    & skf18("6","1","9","2","5","9","1") = "8"
    & skf18("6","1","9","2","5","10","1") = "9"
    & skf18("6","1","9","2","6","1","1") = "8"
    & skf18("6","1","9","2","6","2","1") = "8"
    & skf18("6","1","9","2","6","3","1") = "8"
    & skf18("6","1","9","2","6","4","1") = "8"
    & skf18("6","1","9","2","6","5","1") = "8"
    & skf18("6","1","9","2","6","6","1") = "8"
    & skf18("6","1","9","2","6","7","1") = "8"
    & skf18("6","1","9","2","6","8","1") = "8"
    & skf18("6","1","9","2","6","9","1") = "8"
    & skf18("6","1","9","2","6","10","1") = "9"
    & skf18("6","1","9","2","7","1","1") = "8"
    & skf18("6","1","9","2","7","2","1") = "8"
    & skf18("6","1","9","2","7","3","1") = "8"
    & skf18("6","1","9","2","7","4","1") = "8"
    & skf18("6","1","9","2","7","5","1") = "8"
    & skf18("6","1","9","2","7","6","1") = "8"
    & skf18("6","1","9","2","7","7","1") = "8"
    & skf18("6","1","9","2","7","8","1") = "8"
    & skf18("6","1","9","2","7","9","1") = "8"
    & skf18("6","1","9","2","7","10","1") = "9"
    & skf18("6","1","9","2","8","1","1") = "8"
    & skf18("6","1","9","2","8","2","1") = "8"
    & skf18("6","1","9","2","8","3","1") = "8"
    & skf18("6","1","9","2","8","4","1") = "8"
    & skf18("6","1","9","2","8","5","1") = "8"
    & skf18("6","1","9","2","8","6","1") = "8"
    & skf18("6","1","9","2","8","7","1") = "8"
    & skf18("6","1","9","2","8","8","1") = "8"
    & skf18("6","1","9","2","8","9","1") = "8"
    & skf18("6","1","9","2","8","10","1") = "9"
    & skf18("6","1","9","2","9","1","1") = "8"
    & skf18("6","1","9","2","9","2","1") = "8"
    & skf18("6","1","9","2","9","3","1") = "8"
    & skf18("6","1","9","2","9","4","1") = "8"
    & skf18("6","1","9","2","9","5","1") = "8"
    & skf18("6","1","9","2","9","6","1") = "8"
    & skf18("6","1","9","2","9","7","1") = "8"
    & skf18("6","1","9","2","9","8","1") = "8"
    & skf18("6","1","9","2","9","9","1") = "8"
    & skf18("6","1","9","2","9","10","1") = "9"
    & skf18("6","1","9","2","10","1","1") = "9"
    & skf18("6","1","9","2","10","2","1") = "9"
    & skf18("6","1","9","2","10","3","1") = "9"
    & skf18("6","1","9","2","10","4","1") = "9"
    & skf18("6","1","9","2","10","5","1") = "9"
    & skf18("6","1","9","2","10","6","1") = "9"
    & skf18("6","1","9","2","10","7","1") = "9"
    & skf18("6","1","9","2","10","8","1") = "9"
    & skf18("6","1","9","2","10","9","1") = "9"
    & skf18("6","1","9","2","10","10","1") = "9"
    & skf18("6","1","9","3","1","1","1") = "8"
    & skf18("6","1","9","3","1","2","1") = "8"
    & skf18("6","1","9","3","1","3","1") = "8"
    & skf18("6","1","9","3","1","4","1") = "8"
    & skf18("6","1","9","3","1","5","1") = "8"
    & skf18("6","1","9","3","1","6","1") = "8"
    & skf18("6","1","9","3","1","7","1") = "8"
    & skf18("6","1","9","3","1","8","1") = "8"
    & skf18("6","1","9","3","1","9","1") = "8"
    & skf18("6","1","9","3","1","10","1") = "9"
    & skf18("6","1","9","3","2","1","1") = "8"
    & skf18("6","1","9","3","2","2","1") = "8"
    & skf18("6","1","9","3","2","3","1") = "8"
    & skf18("6","1","9","3","2","4","1") = "8"
    & skf18("6","1","9","3","2","5","1") = "8"
    & skf18("6","1","9","3","2","6","1") = "8"
    & skf18("6","1","9","3","2","7","1") = "8"
    & skf18("6","1","9","3","2","8","1") = "8"
    & skf18("6","1","9","3","2","9","1") = "8"
    & skf18("6","1","9","3","2","10","1") = "9"
    & skf18("6","1","9","3","3","1","1") = "8"
    & skf18("6","1","9","3","3","2","1") = "8"
    & skf18("6","1","9","3","3","3","1") = "8"
    & skf18("6","1","9","3","3","4","1") = "8"
    & skf18("6","1","9","3","3","5","1") = "8"
    & skf18("6","1","9","3","3","6","1") = "8"
    & skf18("6","1","9","3","3","7","1") = "8"
    & skf18("6","1","9","3","3","8","1") = "8"
    & skf18("6","1","9","3","3","9","1") = "8"
    & skf18("6","1","9","3","3","10","1") = "9"
    & skf18("6","1","9","3","4","1","1") = "8"
    & skf18("6","1","9","3","4","2","1") = "8"
    & skf18("6","1","9","3","4","3","1") = "8"
    & skf18("6","1","9","3","4","4","1") = "8"
    & skf18("6","1","9","3","4","5","1") = "8"
    & skf18("6","1","9","3","4","6","1") = "8"
    & skf18("6","1","9","3","4","7","1") = "8"
    & skf18("6","1","9","3","4","8","1") = "8"
    & skf18("6","1","9","3","4","9","1") = "8"
    & skf18("6","1","9","3","4","10","1") = "9"
    & skf18("6","1","9","3","5","1","1") = "8"
    & skf18("6","1","9","3","5","2","1") = "8"
    & skf18("6","1","9","3","5","3","1") = "8"
    & skf18("6","1","9","3","5","4","1") = "8"
    & skf18("6","1","9","3","5","5","1") = "8"
    & skf18("6","1","9","3","5","6","1") = "8"
    & skf18("6","1","9","3","5","7","1") = "8"
    & skf18("6","1","9","3","5","8","1") = "8"
    & skf18("6","1","9","3","5","9","1") = "8"
    & skf18("6","1","9","3","5","10","1") = "9"
    & skf18("6","1","9","3","6","1","1") = "8"
    & skf18("6","1","9","3","6","2","1") = "8"
    & skf18("6","1","9","3","6","3","1") = "8"
    & skf18("6","1","9","3","6","4","1") = "8"
    & skf18("6","1","9","3","6","5","1") = "8"
    & skf18("6","1","9","3","6","6","1") = "8"
    & skf18("6","1","9","3","6","7","1") = "8"
    & skf18("6","1","9","3","6","8","1") = "8"
    & skf18("6","1","9","3","6","9","1") = "8"
    & skf18("6","1","9","3","6","10","1") = "9"
    & skf18("6","1","9","3","7","1","1") = "8"
    & skf18("6","1","9","3","7","2","1") = "8"
    & skf18("6","1","9","3","7","3","1") = "8"
    & skf18("6","1","9","3","7","4","1") = "8"
    & skf18("6","1","9","3","7","5","1") = "8"
    & skf18("6","1","9","3","7","6","1") = "8"
    & skf18("6","1","9","3","7","7","1") = "8"
    & skf18("6","1","9","3","7","8","1") = "8"
    & skf18("6","1","9","3","7","9","1") = "8"
    & skf18("6","1","9","3","7","10","1") = "9"
    & skf18("6","1","9","3","8","1","1") = "8"
    & skf18("6","1","9","3","8","2","1") = "8"
    & skf18("6","1","9","3","8","3","1") = "8"
    & skf18("6","1","9","3","8","4","1") = "8"
    & skf18("6","1","9","3","8","5","1") = "8"
    & skf18("6","1","9","3","8","6","1") = "8"
    & skf18("6","1","9","3","8","7","1") = "8"
    & skf18("6","1","9","3","8","8","1") = "8"
    & skf18("6","1","9","3","8","9","1") = "8"
    & skf18("6","1","9","3","8","10","1") = "9"
    & skf18("6","1","9","3","9","1","1") = "8"
    & skf18("6","1","9","3","9","2","1") = "8"
    & skf18("6","1","9","3","9","3","1") = "8"
    & skf18("6","1","9","3","9","4","1") = "8"
    & skf18("6","1","9","3","9","5","1") = "8"
    & skf18("6","1","9","3","9","6","1") = "8"
    & skf18("6","1","9","3","9","7","1") = "8"
    & skf18("6","1","9","3","9","8","1") = "8"
    & skf18("6","1","9","3","9","9","1") = "8"
    & skf18("6","1","9","3","9","10","1") = "9"
    & skf18("6","1","9","3","10","1","1") = "9"
    & skf18("6","1","9","3","10","2","1") = "9"
    & skf18("6","1","9","3","10","3","1") = "9"
    & skf18("6","1","9","3","10","4","1") = "9"
    & skf18("6","1","9","3","10","5","1") = "9"
    & skf18("6","1","9","3","10","6","1") = "9"
    & skf18("6","1","9","3","10","7","1") = "9"
    & skf18("6","1","9","3","10","8","1") = "9"
    & skf18("6","1","9","3","10","9","1") = "9"
    & skf18("6","1","9","3","10","10","1") = "9"
    & skf18("6","1","9","4","1","1","1") = "8"
    & skf18("6","1","9","4","1","2","1") = "8"
    & skf18("6","1","9","4","1","3","1") = "8"
    & skf18("6","1","9","4","1","4","1") = "8"
    & skf18("6","1","9","4","1","5","1") = "8"
    & skf18("6","1","9","4","1","6","1") = "8"
    & skf18("6","1","9","4","1","7","1") = "8"
    & skf18("6","1","9","4","1","8","1") = "8"
    & skf18("6","1","9","4","1","9","1") = "8"
    & skf18("6","1","9","4","1","10","1") = "9"
    & skf18("6","1","9","4","2","1","1") = "8"
    & skf18("6","1","9","4","2","2","1") = "8"
    & skf18("6","1","9","4","2","3","1") = "8"
    & skf18("6","1","9","4","2","4","1") = "8"
    & skf18("6","1","9","4","2","5","1") = "8"
    & skf18("6","1","9","4","2","6","1") = "8"
    & skf18("6","1","9","4","2","7","1") = "8"
    & skf18("6","1","9","4","2","8","1") = "8"
    & skf18("6","1","9","4","2","9","1") = "8"
    & skf18("6","1","9","4","2","10","1") = "9"
    & skf18("6","1","9","4","3","1","1") = "8"
    & skf18("6","1","9","4","3","2","1") = "8"
    & skf18("6","1","9","4","3","3","1") = "8"
    & skf18("6","1","9","4","3","4","1") = "8"
    & skf18("6","1","9","4","3","5","1") = "8"
    & skf18("6","1","9","4","3","6","1") = "8"
    & skf18("6","1","9","4","3","7","1") = "8"
    & skf18("6","1","9","4","3","8","1") = "8"
    & skf18("6","1","9","4","3","9","1") = "8"
    & skf18("6","1","9","4","3","10","1") = "9"
    & skf18("6","1","9","4","4","1","1") = "8"
    & skf18("6","1","9","4","4","2","1") = "8"
    & skf18("6","1","9","4","4","3","1") = "8"
    & skf18("6","1","9","4","4","4","1") = "8"
    & skf18("6","1","9","4","4","5","1") = "8"
    & skf18("6","1","9","4","4","6","1") = "8"
    & skf18("6","1","9","4","4","7","1") = "8"
    & skf18("6","1","9","4","4","8","1") = "8"
    & skf18("6","1","9","4","4","9","1") = "8"
    & skf18("6","1","9","4","4","10","1") = "9"
    & skf18("6","1","9","4","5","1","1") = "8"
    & skf18("6","1","9","4","5","2","1") = "8"
    & skf18("6","1","9","4","5","3","1") = "8"
    & skf18("6","1","9","4","5","4","1") = "8"
    & skf18("6","1","9","4","5","5","1") = "8"
    & skf18("6","1","9","4","5","6","1") = "8"
    & skf18("6","1","9","4","5","7","1") = "8"
    & skf18("6","1","9","4","5","8","1") = "8"
    & skf18("6","1","9","4","5","9","1") = "8"
    & skf18("6","1","9","4","5","10","1") = "9"
    & skf18("6","1","9","4","6","1","1") = "8"
    & skf18("6","1","9","4","6","2","1") = "8"
    & skf18("6","1","9","4","6","3","1") = "8"
    & skf18("6","1","9","4","6","4","1") = "8"
    & skf18("6","1","9","4","6","5","1") = "8"
    & skf18("6","1","9","4","6","6","1") = "8"
    & skf18("6","1","9","4","6","7","1") = "8"
    & skf18("6","1","9","4","6","8","1") = "8"
    & skf18("6","1","9","4","6","9","1") = "8"
    & skf18("6","1","9","4","6","10","1") = "9"
    & skf18("6","1","9","4","7","1","1") = "8"
    & skf18("6","1","9","4","7","2","1") = "8"
    & skf18("6","1","9","4","7","3","1") = "8"
    & skf18("6","1","9","4","7","4","1") = "8"
    & skf18("6","1","9","4","7","5","1") = "8"
    & skf18("6","1","9","4","7","6","1") = "8"
    & skf18("6","1","9","4","7","7","1") = "8"
    & skf18("6","1","9","4","7","8","1") = "8"
    & skf18("6","1","9","4","7","9","1") = "8"
    & skf18("6","1","9","4","7","10","1") = "9"
    & skf18("6","1","9","4","8","1","1") = "8"
    & skf18("6","1","9","4","8","2","1") = "8"
    & skf18("6","1","9","4","8","3","1") = "8"
    & skf18("6","1","9","4","8","4","1") = "8"
    & skf18("6","1","9","4","8","5","1") = "8"
    & skf18("6","1","9","4","8","6","1") = "8"
    & skf18("6","1","9","4","8","7","1") = "8"
    & skf18("6","1","9","4","8","8","1") = "8"
    & skf18("6","1","9","4","8","9","1") = "8"
    & skf18("6","1","9","4","8","10","1") = "9"
    & skf18("6","1","9","4","9","1","1") = "8"
    & skf18("6","1","9","4","9","2","1") = "8"
    & skf18("6","1","9","4","9","3","1") = "8"
    & skf18("6","1","9","4","9","4","1") = "8"
    & skf18("6","1","9","4","9","5","1") = "8"
    & skf18("6","1","9","4","9","6","1") = "8"
    & skf18("6","1","9","4","9","7","1") = "8"
    & skf18("6","1","9","4","9","8","1") = "8"
    & skf18("6","1","9","4","9","9","1") = "8"
    & skf18("6","1","9","4","9","10","1") = "9"
    & skf18("6","1","9","4","10","1","1") = "9"
    & skf18("6","1","9","4","10","2","1") = "9"
    & skf18("6","1","9","4","10","3","1") = "9"
    & skf18("6","1","9","4","10","4","1") = "9"
    & skf18("6","1","9","4","10","5","1") = "9"
    & skf18("6","1","9","4","10","6","1") = "9"
    & skf18("6","1","9","4","10","7","1") = "9"
    & skf18("6","1","9","4","10","8","1") = "9"
    & skf18("6","1","9","4","10","9","1") = "9"
    & skf18("6","1","9","4","10","10","1") = "9"
    & skf18("6","1","9","5","1","1","1") = "8"
    & skf18("6","1","9","5","1","2","1") = "8"
    & skf18("6","1","9","5","1","3","1") = "8"
    & skf18("6","1","9","5","1","4","1") = "8"
    & skf18("6","1","9","5","1","5","1") = "8"
    & skf18("6","1","9","5","1","6","1") = "8"
    & skf18("6","1","9","5","1","7","1") = "8"
    & skf18("6","1","9","5","1","8","1") = "8"
    & skf18("6","1","9","5","1","9","1") = "8"
    & skf18("6","1","9","5","1","10","1") = "9"
    & skf18("6","1","9","5","2","1","1") = "8"
    & skf18("6","1","9","5","2","2","1") = "8"
    & skf18("6","1","9","5","2","3","1") = "8"
    & skf18("6","1","9","5","2","4","1") = "8"
    & skf18("6","1","9","5","2","5","1") = "8"
    & skf18("6","1","9","5","2","6","1") = "8"
    & skf18("6","1","9","5","2","7","1") = "8"
    & skf18("6","1","9","5","2","8","1") = "8"
    & skf18("6","1","9","5","2","9","1") = "8"
    & skf18("6","1","9","5","2","10","1") = "9"
    & skf18("6","1","9","5","3","1","1") = "8"
    & skf18("6","1","9","5","3","2","1") = "8"
    & skf18("6","1","9","5","3","3","1") = "8"
    & skf18("6","1","9","5","3","4","1") = "8"
    & skf18("6","1","9","5","3","5","1") = "8"
    & skf18("6","1","9","5","3","6","1") = "8"
    & skf18("6","1","9","5","3","7","1") = "8"
    & skf18("6","1","9","5","3","8","1") = "8"
    & skf18("6","1","9","5","3","9","1") = "8"
    & skf18("6","1","9","5","3","10","1") = "9"
    & skf18("6","1","9","5","4","1","1") = "8"
    & skf18("6","1","9","5","4","2","1") = "8"
    & skf18("6","1","9","5","4","3","1") = "8"
    & skf18("6","1","9","5","4","4","1") = "8"
    & skf18("6","1","9","5","4","5","1") = "8"
    & skf18("6","1","9","5","4","6","1") = "8"
    & skf18("6","1","9","5","4","7","1") = "8"
    & skf18("6","1","9","5","4","8","1") = "8"
    & skf18("6","1","9","5","4","9","1") = "8"
    & skf18("6","1","9","5","4","10","1") = "9"
    & skf18("6","1","9","5","5","1","1") = "8"
    & skf18("6","1","9","5","5","2","1") = "8"
    & skf18("6","1","9","5","5","3","1") = "8"
    & skf18("6","1","9","5","5","4","1") = "8"
    & skf18("6","1","9","5","5","5","1") = "8"
    & skf18("6","1","9","5","5","6","1") = "8"
    & skf18("6","1","9","5","5","7","1") = "8"
    & skf18("6","1","9","5","5","8","1") = "8"
    & skf18("6","1","9","5","5","9","1") = "8"
    & skf18("6","1","9","5","5","10","1") = "9"
    & skf18("6","1","9","5","6","1","1") = "8"
    & skf18("6","1","9","5","6","2","1") = "8"
    & skf18("6","1","9","5","6","3","1") = "8"
    & skf18("6","1","9","5","6","4","1") = "8"
    & skf18("6","1","9","5","6","5","1") = "8"
    & skf18("6","1","9","5","6","6","1") = "8"
    & skf18("6","1","9","5","6","7","1") = "8"
    & skf18("6","1","9","5","6","8","1") = "8"
    & skf18("6","1","9","5","6","9","1") = "8"
    & skf18("6","1","9","5","6","10","1") = "9"
    & skf18("6","1","9","5","7","1","1") = "8"
    & skf18("6","1","9","5","7","2","1") = "8"
    & skf18("6","1","9","5","7","3","1") = "8"
    & skf18("6","1","9","5","7","4","1") = "8"
    & skf18("6","1","9","5","7","5","1") = "8"
    & skf18("6","1","9","5","7","6","1") = "8"
    & skf18("6","1","9","5","7","7","1") = "8"
    & skf18("6","1","9","5","7","8","1") = "8"
    & skf18("6","1","9","5","7","9","1") = "8"
    & skf18("6","1","9","5","7","10","1") = "9"
    & skf18("6","1","9","5","8","1","1") = "8"
    & skf18("6","1","9","5","8","2","1") = "8"
    & skf18("6","1","9","5","8","3","1") = "8"
    & skf18("6","1","9","5","8","4","1") = "8"
    & skf18("6","1","9","5","8","5","1") = "8"
    & skf18("6","1","9","5","8","6","1") = "8"
    & skf18("6","1","9","5","8","7","1") = "8"
    & skf18("6","1","9","5","8","8","1") = "8"
    & skf18("6","1","9","5","8","9","1") = "8"
    & skf18("6","1","9","5","8","10","1") = "9"
    & skf18("6","1","9","5","9","1","1") = "8"
    & skf18("6","1","9","5","9","2","1") = "8"
    & skf18("6","1","9","5","9","3","1") = "8"
    & skf18("6","1","9","5","9","4","1") = "8"
    & skf18("6","1","9","5","9","5","1") = "8"
    & skf18("6","1","9","5","9","6","1") = "8"
    & skf18("6","1","9","5","9","7","1") = "8"
    & skf18("6","1","9","5","9","8","1") = "8"
    & skf18("6","1","9","5","9","9","1") = "8"
    & skf18("6","1","9","5","9","10","1") = "9"
    & skf18("6","1","9","5","10","1","1") = "9"
    & skf18("6","1","9","5","10","2","1") = "9"
    & skf18("6","1","9","5","10","3","1") = "9"
    & skf18("6","1","9","5","10","4","1") = "9"
    & skf18("6","1","9","5","10","5","1") = "9"
    & skf18("6","1","9","5","10","6","1") = "9"
    & skf18("6","1","9","5","10","7","1") = "9"
    & skf18("6","1","9","5","10","8","1") = "9"
    & skf18("6","1","9","5","10","9","1") = "9"
    & skf18("6","1","9","5","10","10","1") = "9"
    & skf18("6","1","9","6","1","1","1") = "8"
    & skf18("6","1","9","6","1","2","1") = "8"
    & skf18("6","1","9","6","1","3","1") = "8"
    & skf18("6","1","9","6","1","4","1") = "8"
    & skf18("6","1","9","6","1","5","1") = "8"
    & skf18("6","1","9","6","1","6","1") = "8"
    & skf18("6","1","9","6","1","7","1") = "8"
    & skf18("6","1","9","6","1","8","1") = "8"
    & skf18("6","1","9","6","1","9","1") = "8"
    & skf18("6","1","9","6","1","10","1") = "9"
    & skf18("6","1","9","6","2","1","1") = "8"
    & skf18("6","1","9","6","2","2","1") = "8"
    & skf18("6","1","9","6","2","3","1") = "8"
    & skf18("6","1","9","6","2","4","1") = "8"
    & skf18("6","1","9","6","2","5","1") = "8"
    & skf18("6","1","9","6","2","6","1") = "8"
    & skf18("6","1","9","6","2","7","1") = "8"
    & skf18("6","1","9","6","2","8","1") = "8"
    & skf18("6","1","9","6","2","9","1") = "8"
    & skf18("6","1","9","6","2","10","1") = "9"
    & skf18("6","1","9","6","3","1","1") = "8"
    & skf18("6","1","9","6","3","2","1") = "8"
    & skf18("6","1","9","6","3","3","1") = "8"
    & skf18("6","1","9","6","3","4","1") = "8"
    & skf18("6","1","9","6","3","5","1") = "8"
    & skf18("6","1","9","6","3","6","1") = "8"
    & skf18("6","1","9","6","3","7","1") = "8"
    & skf18("6","1","9","6","3","8","1") = "8"
    & skf18("6","1","9","6","3","9","1") = "8"
    & skf18("6","1","9","6","3","10","1") = "9"
    & skf18("6","1","9","6","4","1","1") = "8"
    & skf18("6","1","9","6","4","2","1") = "8"
    & skf18("6","1","9","6","4","3","1") = "8"
    & skf18("6","1","9","6","4","4","1") = "8"
    & skf18("6","1","9","6","4","5","1") = "8"
    & skf18("6","1","9","6","4","6","1") = "8"
    & skf18("6","1","9","6","4","7","1") = "8"
    & skf18("6","1","9","6","4","8","1") = "8"
    & skf18("6","1","9","6","4","9","1") = "8"
    & skf18("6","1","9","6","4","10","1") = "9"
    & skf18("6","1","9","6","5","1","1") = "8"
    & skf18("6","1","9","6","5","2","1") = "8"
    & skf18("6","1","9","6","5","3","1") = "8"
    & skf18("6","1","9","6","5","4","1") = "8"
    & skf18("6","1","9","6","5","5","1") = "8"
    & skf18("6","1","9","6","5","6","1") = "8"
    & skf18("6","1","9","6","5","7","1") = "8"
    & skf18("6","1","9","6","5","8","1") = "8"
    & skf18("6","1","9","6","5","9","1") = "8"
    & skf18("6","1","9","6","5","10","1") = "9"
    & skf18("6","1","9","6","6","1","1") = "8"
    & skf18("6","1","9","6","6","2","1") = "8"
    & skf18("6","1","9","6","6","3","1") = "8"
    & skf18("6","1","9","6","6","4","1") = "8"
    & skf18("6","1","9","6","6","5","1") = "8"
    & skf18("6","1","9","6","6","6","1") = "8"
    & skf18("6","1","9","6","6","7","1") = "8"
    & skf18("6","1","9","6","6","8","1") = "8"
    & skf18("6","1","9","6","6","9","1") = "8"
    & skf18("6","1","9","6","6","10","1") = "9"
    & skf18("6","1","9","6","7","1","1") = "8"
    & skf18("6","1","9","6","7","2","1") = "8"
    & skf18("6","1","9","6","7","3","1") = "8"
    & skf18("6","1","9","6","7","4","1") = "8"
    & skf18("6","1","9","6","7","5","1") = "8"
    & skf18("6","1","9","6","7","6","1") = "8"
    & skf18("6","1","9","6","7","7","1") = "8"
    & skf18("6","1","9","6","7","8","1") = "8"
    & skf18("6","1","9","6","7","9","1") = "8"
    & skf18("6","1","9","6","7","10","1") = "9"
    & skf18("6","1","9","6","8","1","1") = "8"
    & skf18("6","1","9","6","8","2","1") = "8"
    & skf18("6","1","9","6","8","3","1") = "8"
    & skf18("6","1","9","6","8","4","1") = "8"
    & skf18("6","1","9","6","8","5","1") = "8"
    & skf18("6","1","9","6","8","6","1") = "8"
    & skf18("6","1","9","6","8","7","1") = "8"
    & skf18("6","1","9","6","8","8","1") = "8"
    & skf18("6","1","9","6","8","9","1") = "8"
    & skf18("6","1","9","6","8","10","1") = "9"
    & skf18("6","1","9","6","9","1","1") = "8"
    & skf18("6","1","9","6","9","2","1") = "8"
    & skf18("6","1","9","6","9","3","1") = "8"
    & skf18("6","1","9","6","9","4","1") = "8"
    & skf18("6","1","9","6","9","5","1") = "8"
    & skf18("6","1","9","6","9","6","1") = "8"
    & skf18("6","1","9","6","9","7","1") = "8"
    & skf18("6","1","9","6","9","8","1") = "8"
    & skf18("6","1","9","6","9","9","1") = "8"
    & skf18("6","1","9","6","9","10","1") = "9"
    & skf18("6","1","9","6","10","1","1") = "9"
    & skf18("6","1","9","6","10","2","1") = "9"
    & skf18("6","1","9","6","10","3","1") = "9"
    & skf18("6","1","9","6","10","4","1") = "9"
    & skf18("6","1","9","6","10","5","1") = "9"
    & skf18("6","1","9","6","10","6","1") = "9"
    & skf18("6","1","9","6","10","7","1") = "9"
    & skf18("6","1","9","6","10","8","1") = "9"
    & skf18("6","1","9","6","10","9","1") = "9"
    & skf18("6","1","9","6","10","10","1") = "9"
    & skf18("6","1","9","7","1","1","1") = "8"
    & skf18("6","1","9","7","1","2","1") = "8"
    & skf18("6","1","9","7","1","3","1") = "8"
    & skf18("6","1","9","7","1","4","1") = "8"
    & skf18("6","1","9","7","1","5","1") = "8"
    & skf18("6","1","9","7","1","6","1") = "8"
    & skf18("6","1","9","7","1","7","1") = "8"
    & skf18("6","1","9","7","1","8","1") = "8"
    & skf18("6","1","9","7","1","9","1") = "8"
    & skf18("6","1","9","7","1","10","1") = "9"
    & skf18("6","1","9","7","2","1","1") = "8"
    & skf18("6","1","9","7","2","2","1") = "8"
    & skf18("6","1","9","7","2","3","1") = "8"
    & skf18("6","1","9","7","2","4","1") = "8"
    & skf18("6","1","9","7","2","5","1") = "8"
    & skf18("6","1","9","7","2","6","1") = "8"
    & skf18("6","1","9","7","2","7","1") = "8"
    & skf18("6","1","9","7","2","8","1") = "8"
    & skf18("6","1","9","7","2","9","1") = "8"
    & skf18("6","1","9","7","2","10","1") = "9"
    & skf18("6","1","9","7","3","1","1") = "8"
    & skf18("6","1","9","7","3","2","1") = "8"
    & skf18("6","1","9","7","3","3","1") = "8"
    & skf18("6","1","9","7","3","4","1") = "8"
    & skf18("6","1","9","7","3","5","1") = "8"
    & skf18("6","1","9","7","3","6","1") = "8"
    & skf18("6","1","9","7","3","7","1") = "8"
    & skf18("6","1","9","7","3","8","1") = "8"
    & skf18("6","1","9","7","3","9","1") = "8"
    & skf18("6","1","9","7","3","10","1") = "9"
    & skf18("6","1","9","7","4","1","1") = "8"
    & skf18("6","1","9","7","4","2","1") = "8"
    & skf18("6","1","9","7","4","3","1") = "8"
    & skf18("6","1","9","7","4","4","1") = "8"
    & skf18("6","1","9","7","4","5","1") = "8"
    & skf18("6","1","9","7","4","6","1") = "8"
    & skf18("6","1","9","7","4","7","1") = "8"
    & skf18("6","1","9","7","4","8","1") = "8"
    & skf18("6","1","9","7","4","9","1") = "8"
    & skf18("6","1","9","7","4","10","1") = "9"
    & skf18("6","1","9","7","5","1","1") = "8"
    & skf18("6","1","9","7","5","2","1") = "8"
    & skf18("6","1","9","7","5","3","1") = "8"
    & skf18("6","1","9","7","5","4","1") = "8"
    & skf18("6","1","9","7","5","5","1") = "8"
    & skf18("6","1","9","7","5","6","1") = "8"
    & skf18("6","1","9","7","5","7","1") = "8"
    & skf18("6","1","9","7","5","8","1") = "8"
    & skf18("6","1","9","7","5","9","1") = "8"
    & skf18("6","1","9","7","5","10","1") = "9"
    & skf18("6","1","9","7","6","1","1") = "8"
    & skf18("6","1","9","7","6","2","1") = "8"
    & skf18("6","1","9","7","6","3","1") = "8"
    & skf18("6","1","9","7","6","4","1") = "8"
    & skf18("6","1","9","7","6","5","1") = "8"
    & skf18("6","1","9","7","6","6","1") = "8"
    & skf18("6","1","9","7","6","7","1") = "8"
    & skf18("6","1","9","7","6","8","1") = "8"
    & skf18("6","1","9","7","6","9","1") = "8"
    & skf18("6","1","9","7","6","10","1") = "9"
    & skf18("6","1","9","7","7","1","1") = "8"
    & skf18("6","1","9","7","7","2","1") = "8"
    & skf18("6","1","9","7","7","3","1") = "8"
    & skf18("6","1","9","7","7","4","1") = "8"
    & skf18("6","1","9","7","7","5","1") = "8"
    & skf18("6","1","9","7","7","6","1") = "8"
    & skf18("6","1","9","7","7","7","1") = "8"
    & skf18("6","1","9","7","7","8","1") = "8"
    & skf18("6","1","9","7","7","9","1") = "8"
    & skf18("6","1","9","7","7","10","1") = "9"
    & skf18("6","1","9","7","8","1","1") = "8"
    & skf18("6","1","9","7","8","2","1") = "8"
    & skf18("6","1","9","7","8","3","1") = "8"
    & skf18("6","1","9","7","8","4","1") = "8"
    & skf18("6","1","9","7","8","5","1") = "8"
    & skf18("6","1","9","7","8","6","1") = "8"
    & skf18("6","1","9","7","8","7","1") = "8"
    & skf18("6","1","9","7","8","8","1") = "8"
    & skf18("6","1","9","7","8","9","1") = "8"
    & skf18("6","1","9","7","8","10","1") = "9"
    & skf18("6","1","9","7","9","1","1") = "8"
    & skf18("6","1","9","7","9","2","1") = "8"
    & skf18("6","1","9","7","9","3","1") = "8"
    & skf18("6","1","9","7","9","4","1") = "8"
    & skf18("6","1","9","7","9","5","1") = "8"
    & skf18("6","1","9","7","9","6","1") = "8"
    & skf18("6","1","9","7","9","7","1") = "8"
    & skf18("6","1","9","7","9","8","1") = "8"
    & skf18("6","1","9","7","9","9","1") = "8"
    & skf18("6","1","9","7","9","10","1") = "9"
    & skf18("6","1","9","7","10","1","1") = "9"
    & skf18("6","1","9","7","10","2","1") = "9"
    & skf18("6","1","9","7","10","3","1") = "9"
    & skf18("6","1","9","7","10","4","1") = "9"
    & skf18("6","1","9","7","10","5","1") = "9"
    & skf18("6","1","9","7","10","6","1") = "9"
    & skf18("6","1","9","7","10","7","1") = "9"
    & skf18("6","1","9","7","10","8","1") = "9"
    & skf18("6","1","9","7","10","9","1") = "9"
    & skf18("6","1","9","7","10","10","1") = "9"
    & skf18("6","1","9","8","1","1","1") = "8"
    & skf18("6","1","9","8","1","2","1") = "8"
    & skf18("6","1","9","8","1","3","1") = "8"
    & skf18("6","1","9","8","1","4","1") = "8"
    & skf18("6","1","9","8","1","5","1") = "8"
    & skf18("6","1","9","8","1","6","1") = "8"
    & skf18("6","1","9","8","1","7","1") = "8"
    & skf18("6","1","9","8","1","8","1") = "8"
    & skf18("6","1","9","8","1","9","1") = "8"
    & skf18("6","1","9","8","1","10","1") = "9"
    & skf18("6","1","9","8","2","1","1") = "8"
    & skf18("6","1","9","8","2","2","1") = "8"
    & skf18("6","1","9","8","2","3","1") = "8"
    & skf18("6","1","9","8","2","4","1") = "8"
    & skf18("6","1","9","8","2","5","1") = "8"
    & skf18("6","1","9","8","2","6","1") = "8"
    & skf18("6","1","9","8","2","7","1") = "8"
    & skf18("6","1","9","8","2","8","1") = "8"
    & skf18("6","1","9","8","2","9","1") = "8"
    & skf18("6","1","9","8","2","10","1") = "9"
    & skf18("6","1","9","8","3","1","1") = "8"
    & skf18("6","1","9","8","3","2","1") = "8"
    & skf18("6","1","9","8","3","3","1") = "8"
    & skf18("6","1","9","8","3","4","1") = "8"
    & skf18("6","1","9","8","3","5","1") = "8"
    & skf18("6","1","9","8","3","6","1") = "8"
    & skf18("6","1","9","8","3","7","1") = "8"
    & skf18("6","1","9","8","3","8","1") = "8"
    & skf18("6","1","9","8","3","9","1") = "8"
    & skf18("6","1","9","8","3","10","1") = "9"
    & skf18("6","1","9","8","4","1","1") = "8"
    & skf18("6","1","9","8","4","2","1") = "8"
    & skf18("6","1","9","8","4","3","1") = "8"
    & skf18("6","1","9","8","4","4","1") = "8"
    & skf18("6","1","9","8","4","5","1") = "8"
    & skf18("6","1","9","8","4","6","1") = "8"
    & skf18("6","1","9","8","4","7","1") = "8"
    & skf18("6","1","9","8","4","8","1") = "8"
    & skf18("6","1","9","8","4","9","1") = "8"
    & skf18("6","1","9","8","4","10","1") = "9"
    & skf18("6","1","9","8","5","1","1") = "8"
    & skf18("6","1","9","8","5","2","1") = "8"
    & skf18("6","1","9","8","5","3","1") = "8"
    & skf18("6","1","9","8","5","4","1") = "8"
    & skf18("6","1","9","8","5","5","1") = "8"
    & skf18("6","1","9","8","5","6","1") = "8"
    & skf18("6","1","9","8","5","7","1") = "8"
    & skf18("6","1","9","8","5","8","1") = "8"
    & skf18("6","1","9","8","5","9","1") = "8"
    & skf18("6","1","9","8","5","10","1") = "9"
    & skf18("6","1","9","8","6","1","1") = "8"
    & skf18("6","1","9","8","6","2","1") = "8"
    & skf18("6","1","9","8","6","3","1") = "8"
    & skf18("6","1","9","8","6","4","1") = "8"
    & skf18("6","1","9","8","6","5","1") = "8"
    & skf18("6","1","9","8","6","6","1") = "8"
    & skf18("6","1","9","8","6","7","1") = "8"
    & skf18("6","1","9","8","6","8","1") = "8"
    & skf18("6","1","9","8","6","9","1") = "8"
    & skf18("6","1","9","8","6","10","1") = "9"
    & skf18("6","1","9","8","7","1","1") = "8"
    & skf18("6","1","9","8","7","2","1") = "8"
    & skf18("6","1","9","8","7","3","1") = "8"
    & skf18("6","1","9","8","7","4","1") = "8"
    & skf18("6","1","9","8","7","5","1") = "8"
    & skf18("6","1","9","8","7","6","1") = "8"
    & skf18("6","1","9","8","7","7","1") = "8"
    & skf18("6","1","9","8","7","8","1") = "8"
    & skf18("6","1","9","8","7","9","1") = "8"
    & skf18("6","1","9","8","7","10","1") = "9"
    & skf18("6","1","9","8","8","1","1") = "8"
    & skf18("6","1","9","8","8","2","1") = "8"
    & skf18("6","1","9","8","8","3","1") = "8"
    & skf18("6","1","9","8","8","4","1") = "8"
    & skf18("6","1","9","8","8","5","1") = "8"
    & skf18("6","1","9","8","8","6","1") = "8"
    & skf18("6","1","9","8","8","7","1") = "8"
    & skf18("6","1","9","8","8","8","1") = "8"
    & skf18("6","1","9","8","8","9","1") = "8"
    & skf18("6","1","9","8","8","10","1") = "9"
    & skf18("6","1","9","8","9","1","1") = "8"
    & skf18("6","1","9","8","9","2","1") = "8"
    & skf18("6","1","9","8","9","3","1") = "8"
    & skf18("6","1","9","8","9","4","1") = "8"
    & skf18("6","1","9","8","9","5","1") = "8"
    & skf18("6","1","9","8","9","6","1") = "8"
    & skf18("6","1","9","8","9","7","1") = "8"
    & skf18("6","1","9","8","9","8","1") = "8"
    & skf18("6","1","9","8","9","9","1") = "8"
    & skf18("6","1","9","8","9","10","1") = "9"
    & skf18("6","1","9","8","10","1","1") = "9"
    & skf18("6","1","9","8","10","2","1") = "9"
    & skf18("6","1","9","8","10","3","1") = "9"
    & skf18("6","1","9","8","10","4","1") = "9"
    & skf18("6","1","9","8","10","5","1") = "9"
    & skf18("6","1","9","8","10","6","1") = "9"
    & skf18("6","1","9","8","10","7","1") = "9"
    & skf18("6","1","9","8","10","8","1") = "9"
    & skf18("6","1","9","8","10","9","1") = "9"
    & skf18("6","1","9","8","10","10","1") = "9"
    & skf18("6","1","9","9","1","1","1") = "8"
    & skf18("6","1","9","9","1","2","1") = "8"
    & skf18("6","1","9","9","1","3","1") = "8"
    & skf18("6","1","9","9","1","4","1") = "8"
    & skf18("6","1","9","9","1","5","1") = "8"
    & skf18("6","1","9","9","1","6","1") = "8"
    & skf18("6","1","9","9","1","7","1") = "8"
    & skf18("6","1","9","9","1","8","1") = "8"
    & skf18("6","1","9","9","1","9","1") = "8"
    & skf18("6","1","9","9","1","10","1") = "9"
    & skf18("6","1","9","9","2","1","1") = "8"
    & skf18("6","1","9","9","2","2","1") = "8"
    & skf18("6","1","9","9","2","3","1") = "8"
    & skf18("6","1","9","9","2","4","1") = "8"
    & skf18("6","1","9","9","2","5","1") = "8"
    & skf18("6","1","9","9","2","6","1") = "8"
    & skf18("6","1","9","9","2","7","1") = "8"
    & skf18("6","1","9","9","2","8","1") = "8"
    & skf18("6","1","9","9","2","9","1") = "8"
    & skf18("6","1","9","9","2","10","1") = "9"
    & skf18("6","1","9","9","3","1","1") = "8"
    & skf18("6","1","9","9","3","2","1") = "8"
    & skf18("6","1","9","9","3","3","1") = "8"
    & skf18("6","1","9","9","3","4","1") = "8"
    & skf18("6","1","9","9","3","5","1") = "8"
    & skf18("6","1","9","9","3","6","1") = "8"
    & skf18("6","1","9","9","3","7","1") = "8"
    & skf18("6","1","9","9","3","8","1") = "8"
    & skf18("6","1","9","9","3","9","1") = "8"
    & skf18("6","1","9","9","3","10","1") = "9"
    & skf18("6","1","9","9","4","1","1") = "8"
    & skf18("6","1","9","9","4","2","1") = "8"
    & skf18("6","1","9","9","4","3","1") = "8"
    & skf18("6","1","9","9","4","4","1") = "8"
    & skf18("6","1","9","9","4","5","1") = "8"
    & skf18("6","1","9","9","4","6","1") = "8"
    & skf18("6","1","9","9","4","7","1") = "8"
    & skf18("6","1","9","9","4","8","1") = "8"
    & skf18("6","1","9","9","4","9","1") = "8"
    & skf18("6","1","9","9","4","10","1") = "9"
    & skf18("6","1","9","9","5","1","1") = "8"
    & skf18("6","1","9","9","5","2","1") = "8"
    & skf18("6","1","9","9","5","3","1") = "8"
    & skf18("6","1","9","9","5","4","1") = "8"
    & skf18("6","1","9","9","5","5","1") = "8"
    & skf18("6","1","9","9","5","6","1") = "8"
    & skf18("6","1","9","9","5","7","1") = "8"
    & skf18("6","1","9","9","5","8","1") = "8"
    & skf18("6","1","9","9","5","9","1") = "8"
    & skf18("6","1","9","9","5","10","1") = "9"
    & skf18("6","1","9","9","6","1","1") = "8"
    & skf18("6","1","9","9","6","2","1") = "8"
    & skf18("6","1","9","9","6","3","1") = "8"
    & skf18("6","1","9","9","6","4","1") = "8"
    & skf18("6","1","9","9","6","5","1") = "8"
    & skf18("6","1","9","9","6","6","1") = "8"
    & skf18("6","1","9","9","6","7","1") = "8"
    & skf18("6","1","9","9","6","8","1") = "8"
    & skf18("6","1","9","9","6","9","1") = "8"
    & skf18("6","1","9","9","6","10","1") = "9"
    & skf18("6","1","9","9","7","1","1") = "8"
    & skf18("6","1","9","9","7","2","1") = "8"
    & skf18("6","1","9","9","7","3","1") = "8"
    & skf18("6","1","9","9","7","4","1") = "8"
    & skf18("6","1","9","9","7","5","1") = "8"
    & skf18("6","1","9","9","7","6","1") = "8"
    & skf18("6","1","9","9","7","7","1") = "8"
    & skf18("6","1","9","9","7","8","1") = "8"
    & skf18("6","1","9","9","7","9","1") = "8"
    & skf18("6","1","9","9","7","10","1") = "9"
    & skf18("6","1","9","9","8","1","1") = "8"
    & skf18("6","1","9","9","8","2","1") = "8"
    & skf18("6","1","9","9","8","3","1") = "8"
    & skf18("6","1","9","9","8","4","1") = "8"
    & skf18("6","1","9","9","8","5","1") = "8"
    & skf18("6","1","9","9","8","6","1") = "8"
    & skf18("6","1","9","9","8","7","1") = "8"
    & skf18("6","1","9","9","8","8","1") = "8"
    & skf18("6","1","9","9","8","9","1") = "8"
    & skf18("6","1","9","9","8","10","1") = "9"
    & skf18("6","1","9","9","9","1","1") = "8"
    & skf18("6","1","9","9","9","2","1") = "8"
    & skf18("6","1","9","9","9","3","1") = "8"
    & skf18("6","1","9","9","9","4","1") = "8"
    & skf18("6","1","9","9","9","5","1") = "8"
    & skf18("6","1","9","9","9","6","1") = "8"
    & skf18("6","1","9","9","9","7","1") = "8"
    & skf18("6","1","9","9","9","8","1") = "8"
    & skf18("6","1","9","9","9","9","1") = "8"
    & skf18("6","1","9","9","9","10","1") = "9"
    & skf18("6","1","9","9","10","1","1") = "9"
    & skf18("6","1","9","9","10","2","1") = "9"
    & skf18("6","1","9","9","10","3","1") = "9"
    & skf18("6","1","9","9","10","4","1") = "9"
    & skf18("6","1","9","9","10","5","1") = "9"
    & skf18("6","1","9","9","10","6","1") = "9"
    & skf18("6","1","9","9","10","7","1") = "9"
    & skf18("6","1","9","9","10","8","1") = "9"
    & skf18("6","1","9","9","10","9","1") = "9"
    & skf18("6","1","9","9","10","10","1") = "9"
    & skf18("6","1","9","10","1","1","1") = "9"
    & skf18("6","1","9","10","1","2","1") = "9"
    & skf18("6","1","9","10","1","3","1") = "9"
    & skf18("6","1","9","10","1","4","1") = "9"
    & skf18("6","1","9","10","1","5","1") = "9"
    & skf18("6","1","9","10","1","6","1") = "9"
    & skf18("6","1","9","10","1","7","1") = "9"
    & skf18("6","1","9","10","1","8","1") = "9"
    & skf18("6","1","9","10","1","9","1") = "9"
    & skf18("6","1","9","10","1","10","1") = "9"
    & skf18("6","1","9","10","2","1","1") = "9"
    & skf18("6","1","9","10","2","2","1") = "9"
    & skf18("6","1","9","10","2","3","1") = "9"
    & skf18("6","1","9","10","2","4","1") = "9"
    & skf18("6","1","9","10","2","5","1") = "9"
    & skf18("6","1","9","10","2","6","1") = "9"
    & skf18("6","1","9","10","2","7","1") = "9"
    & skf18("6","1","9","10","2","8","1") = "9"
    & skf18("6","1","9","10","2","9","1") = "9"
    & skf18("6","1","9","10","2","10","1") = "9"
    & skf18("6","1","9","10","3","1","1") = "9"
    & skf18("6","1","9","10","3","2","1") = "9"
    & skf18("6","1","9","10","3","3","1") = "9"
    & skf18("6","1","9","10","3","4","1") = "9"
    & skf18("6","1","9","10","3","5","1") = "9"
    & skf18("6","1","9","10","3","6","1") = "9"
    & skf18("6","1","9","10","3","7","1") = "9"
    & skf18("6","1","9","10","3","8","1") = "9"
    & skf18("6","1","9","10","3","9","1") = "9"
    & skf18("6","1","9","10","3","10","1") = "9"
    & skf18("6","1","9","10","4","1","1") = "9"
    & skf18("6","1","9","10","4","2","1") = "9"
    & skf18("6","1","9","10","4","3","1") = "9"
    & skf18("6","1","9","10","4","4","1") = "9"
    & skf18("6","1","9","10","4","5","1") = "9"
    & skf18("6","1","9","10","4","6","1") = "9"
    & skf18("6","1","9","10","4","7","1") = "9"
    & skf18("6","1","9","10","4","8","1") = "9"
    & skf18("6","1","9","10","4","9","1") = "9"
    & skf18("6","1","9","10","4","10","1") = "9"
    & skf18("6","1","9","10","5","1","1") = "9"
    & skf18("6","1","9","10","5","2","1") = "9"
    & skf18("6","1","9","10","5","3","1") = "9"
    & skf18("6","1","9","10","5","4","1") = "9"
    & skf18("6","1","9","10","5","5","1") = "9"
    & skf18("6","1","9","10","5","6","1") = "9"
    & skf18("6","1","9","10","5","7","1") = "9"
    & skf18("6","1","9","10","5","8","1") = "9"
    & skf18("6","1","9","10","5","9","1") = "9"
    & skf18("6","1","9","10","5","10","1") = "9"
    & skf18("6","1","9","10","6","1","1") = "9"
    & skf18("6","1","9","10","6","2","1") = "9"
    & skf18("6","1","9","10","6","3","1") = "9"
    & skf18("6","1","9","10","6","4","1") = "9"
    & skf18("6","1","9","10","6","5","1") = "9"
    & skf18("6","1","9","10","6","6","1") = "9"
    & skf18("6","1","9","10","6","7","1") = "9"
    & skf18("6","1","9","10","6","8","1") = "9"
    & skf18("6","1","9","10","6","9","1") = "9"
    & skf18("6","1","9","10","6","10","1") = "9"
    & skf18("6","1","9","10","7","1","1") = "9"
    & skf18("6","1","9","10","7","2","1") = "9"
    & skf18("6","1","9","10","7","3","1") = "9"
    & skf18("6","1","9","10","7","4","1") = "9"
    & skf18("6","1","9","10","7","5","1") = "9"
    & skf18("6","1","9","10","7","6","1") = "9"
    & skf18("6","1","9","10","7","7","1") = "9"
    & skf18("6","1","9","10","7","8","1") = "9"
    & skf18("6","1","9","10","7","9","1") = "9"
    & skf18("6","1","9","10","7","10","1") = "9"
    & skf18("6","1","9","10","8","1","1") = "9"
    & skf18("6","1","9","10","8","2","1") = "9"
    & skf18("6","1","9","10","8","3","1") = "9"
    & skf18("6","1","9","10","8","4","1") = "9"
    & skf18("6","1","9","10","8","5","1") = "9"
    & skf18("6","1","9","10","8","6","1") = "9"
    & skf18("6","1","9","10","8","7","1") = "9"
    & skf18("6","1","9","10","8","8","1") = "9"
    & skf18("6","1","9","10","8","9","1") = "9"
    & skf18("6","1","9","10","8","10","1") = "9"
    & skf18("6","1","9","10","9","1","1") = "9"
    & skf18("6","1","9","10","9","2","1") = "9"
    & skf18("6","1","9","10","9","3","1") = "9"
    & skf18("6","1","9","10","9","4","1") = "9"
    & skf18("6","1","9","10","9","5","1") = "9"
    & skf18("6","1","9","10","9","6","1") = "9"
    & skf18("6","1","9","10","9","7","1") = "9"
    & skf18("6","1","9","10","9","8","1") = "9"
    & skf18("6","1","9","10","9","9","1") = "9"
    & skf18("6","1","9","10","9","10","1") = "9"
    & skf18("6","1","9","10","10","1","1") = "9"
    & skf18("6","1","9","10","10","2","1") = "9"
    & skf18("6","1","9","10","10","3","1") = "9"
    & skf18("6","1","9","10","10","4","1") = "9"
    & skf18("6","1","9","10","10","5","1") = "9"
    & skf18("6","1","9","10","10","6","1") = "9"
    & skf18("6","1","9","10","10","7","1") = "9"
    & skf18("6","1","9","10","10","8","1") = "9"
    & skf18("6","1","9","10","10","9","1") = "9"
    & skf18("6","1","9","10","10","10","1") = "9"
    & skf18("6","1","10","1","1","1","1") = "9"
    & skf18("6","1","10","1","1","2","1") = "9"
    & skf18("6","1","10","1","1","3","1") = "9"
    & skf18("6","1","10","1","1","4","1") = "9"
    & skf18("6","1","10","1","1","5","1") = "9"
    & skf18("6","1","10","1","1","6","1") = "9"
    & skf18("6","1","10","1","1","7","1") = "9"
    & skf18("6","1","10","1","1","8","1") = "9"
    & skf18("6","1","10","1","1","9","1") = "9"
    & skf18("6","1","10","1","1","10","1") = "9"
    & skf18("6","1","10","1","2","1","1") = "9"
    & skf18("6","1","10","1","2","2","1") = "9"
    & skf18("6","1","10","1","2","3","1") = "9"
    & skf18("6","1","10","1","2","4","1") = "9"
    & skf18("6","1","10","1","2","5","1") = "9"
    & skf18("6","1","10","1","2","6","1") = "9"
    & skf18("6","1","10","1","2","7","1") = "9"
    & skf18("6","1","10","1","2","8","1") = "9"
    & skf18("6","1","10","1","2","9","1") = "9"
    & skf18("6","1","10","1","2","10","1") = "9"
    & skf18("6","1","10","1","3","1","1") = "9"
    & skf18("6","1","10","1","3","2","1") = "9"
    & skf18("6","1","10","1","3","3","1") = "9"
    & skf18("6","1","10","1","3","4","1") = "9"
    & skf18("6","1","10","1","3","5","1") = "9"
    & skf18("6","1","10","1","3","6","1") = "9"
    & skf18("6","1","10","1","3","7","1") = "9"
    & skf18("6","1","10","1","3","8","1") = "9"
    & skf18("6","1","10","1","3","9","1") = "9"
    & skf18("6","1","10","1","3","10","1") = "9"
    & skf18("6","1","10","1","4","1","1") = "9"
    & skf18("6","1","10","1","4","2","1") = "9"
    & skf18("6","1","10","1","4","3","1") = "9"
    & skf18("6","1","10","1","4","4","1") = "9"
    & skf18("6","1","10","1","4","5","1") = "9"
    & skf18("6","1","10","1","4","6","1") = "9"
    & skf18("6","1","10","1","4","7","1") = "9"
    & skf18("6","1","10","1","4","8","1") = "9"
    & skf18("6","1","10","1","4","9","1") = "9"
    & skf18("6","1","10","1","4","10","1") = "9"
    & skf18("6","1","10","1","5","1","1") = "9"
    & skf18("6","1","10","1","5","2","1") = "9"
    & skf18("6","1","10","1","5","3","1") = "9"
    & skf18("6","1","10","1","5","4","1") = "9"
    & skf18("6","1","10","1","5","5","1") = "9"
    & skf18("6","1","10","1","5","6","1") = "9"
    & skf18("6","1","10","1","5","7","1") = "9"
    & skf18("6","1","10","1","5","8","1") = "9"
    & skf18("6","1","10","1","5","9","1") = "9"
    & skf18("6","1","10","1","5","10","1") = "9"
    & skf18("6","1","10","1","6","1","1") = "9"
    & skf18("6","1","10","1","6","2","1") = "9"
    & skf18("6","1","10","1","6","3","1") = "9"
    & skf18("6","1","10","1","6","4","1") = "9"
    & skf18("6","1","10","1","6","5","1") = "9"
    & skf18("6","1","10","1","6","6","1") = "9"
    & skf18("6","1","10","1","6","7","1") = "9"
    & skf18("6","1","10","1","6","8","1") = "9"
    & skf18("6","1","10","1","6","9","1") = "9"
    & skf18("6","1","10","1","6","10","1") = "9"
    & skf18("6","1","10","1","7","1","1") = "9"
    & skf18("6","1","10","1","7","2","1") = "9"
    & skf18("6","1","10","1","7","3","1") = "9"
    & skf18("6","1","10","1","7","4","1") = "9"
    & skf18("6","1","10","1","7","5","1") = "9"
    & skf18("6","1","10","1","7","6","1") = "9"
    & skf18("6","1","10","1","7","7","1") = "9"
    & skf18("6","1","10","1","7","8","1") = "9"
    & skf18("6","1","10","1","7","9","1") = "9"
    & skf18("6","1","10","1","7","10","1") = "9"
    & skf18("6","1","10","1","8","1","1") = "9"
    & skf18("6","1","10","1","8","2","1") = "9"
    & skf18("6","1","10","1","8","3","1") = "9"
    & skf18("6","1","10","1","8","4","1") = "9"
    & skf18("6","1","10","1","8","5","1") = "9"
    & skf18("6","1","10","1","8","6","1") = "9"
    & skf18("6","1","10","1","8","7","1") = "9"
    & skf18("6","1","10","1","8","8","1") = "9"
    & skf18("6","1","10","1","8","9","1") = "9"
    & skf18("6","1","10","1","8","10","1") = "9"
    & skf18("6","1","10","1","9","1","1") = "9"
    & skf18("6","1","10","1","9","2","1") = "9"
    & skf18("6","1","10","1","9","3","1") = "9"
    & skf18("6","1","10","1","9","4","1") = "9"
    & skf18("6","1","10","1","9","5","1") = "9"
    & skf18("6","1","10","1","9","6","1") = "9"
    & skf18("6","1","10","1","9","7","1") = "9"
    & skf18("6","1","10","1","9","8","1") = "9"
    & skf18("6","1","10","1","9","9","1") = "9"
    & skf18("6","1","10","1","9","10","1") = "9"
    & skf18("6","1","10","1","10","1","1") = "9"
    & skf18("6","1","10","1","10","2","1") = "9"
    & skf18("6","1","10","1","10","3","1") = "9"
    & skf18("6","1","10","1","10","4","1") = "9"
    & skf18("6","1","10","1","10","5","1") = "9"
    & skf18("6","1","10","1","10","6","1") = "9"
    & skf18("6","1","10","1","10","7","1") = "9"
    & skf18("6","1","10","1","10","8","1") = "9"
    & skf18("6","1","10","1","10","9","1") = "9"
    & skf18("6","1","10","1","10","10","1") = "9"
    & skf18("6","1","10","2","1","1","1") = "9"
    & skf18("6","1","10","2","1","2","1") = "9"
    & skf18("6","1","10","2","1","3","1") = "9"
    & skf18("6","1","10","2","1","4","1") = "9"
    & skf18("6","1","10","2","1","5","1") = "9"
    & skf18("6","1","10","2","1","6","1") = "9"
    & skf18("6","1","10","2","1","7","1") = "9"
    & skf18("6","1","10","2","1","8","1") = "9"
    & skf18("6","1","10","2","1","9","1") = "9"
    & skf18("6","1","10","2","1","10","1") = "9"
    & skf18("6","1","10","2","2","1","1") = "9"
    & skf18("6","1","10","2","2","2","1") = "9"
    & skf18("6","1","10","2","2","3","1") = "9"
    & skf18("6","1","10","2","2","4","1") = "9"
    & skf18("6","1","10","2","2","5","1") = "9"
    & skf18("6","1","10","2","2","6","1") = "9"
    & skf18("6","1","10","2","2","7","1") = "9"
    & skf18("6","1","10","2","2","8","1") = "9"
    & skf18("6","1","10","2","2","9","1") = "9"
    & skf18("6","1","10","2","2","10","1") = "9"
    & skf18("6","1","10","2","3","1","1") = "9"
    & skf18("6","1","10","2","3","2","1") = "9"
    & skf18("6","1","10","2","3","3","1") = "9"
    & skf18("6","1","10","2","3","4","1") = "9"
    & skf18("6","1","10","2","3","5","1") = "9"
    & skf18("6","1","10","2","3","6","1") = "9"
    & skf18("6","1","10","2","3","7","1") = "9"
    & skf18("6","1","10","2","3","8","1") = "9"
    & skf18("6","1","10","2","3","9","1") = "9"
    & skf18("6","1","10","2","3","10","1") = "9"
    & skf18("6","1","10","2","4","1","1") = "9"
    & skf18("6","1","10","2","4","2","1") = "9"
    & skf18("6","1","10","2","4","3","1") = "9"
    & skf18("6","1","10","2","4","4","1") = "9"
    & skf18("6","1","10","2","4","5","1") = "9"
    & skf18("6","1","10","2","4","6","1") = "9"
    & skf18("6","1","10","2","4","7","1") = "9"
    & skf18("6","1","10","2","4","8","1") = "9"
    & skf18("6","1","10","2","4","9","1") = "9"
    & skf18("6","1","10","2","4","10","1") = "9"
    & skf18("6","1","10","2","5","1","1") = "9"
    & skf18("6","1","10","2","5","2","1") = "9"
    & skf18("6","1","10","2","5","3","1") = "9"
    & skf18("6","1","10","2","5","4","1") = "9"
    & skf18("6","1","10","2","5","5","1") = "9"
    & skf18("6","1","10","2","5","6","1") = "9"
    & skf18("6","1","10","2","5","7","1") = "9"
    & skf18("6","1","10","2","5","8","1") = "9"
    & skf18("6","1","10","2","5","9","1") = "9"
    & skf18("6","1","10","2","5","10","1") = "9"
    & skf18("6","1","10","2","6","1","1") = "9"
    & skf18("6","1","10","2","6","2","1") = "9"
    & skf18("6","1","10","2","6","3","1") = "9"
    & skf18("6","1","10","2","6","4","1") = "9"
    & skf18("6","1","10","2","6","5","1") = "9"
    & skf18("6","1","10","2","6","6","1") = "9"
    & skf18("6","1","10","2","6","7","1") = "9"
    & skf18("6","1","10","2","6","8","1") = "9"
    & skf18("6","1","10","2","6","9","1") = "9"
    & skf18("6","1","10","2","6","10","1") = "9"
    & skf18("6","1","10","2","7","1","1") = "9"
    & skf18("6","1","10","2","7","2","1") = "9"
    & skf18("6","1","10","2","7","3","1") = "9"
    & skf18("6","1","10","2","7","4","1") = "9"
    & skf18("6","1","10","2","7","5","1") = "9"
    & skf18("6","1","10","2","7","6","1") = "9"
    & skf18("6","1","10","2","7","7","1") = "9"
    & skf18("6","1","10","2","7","8","1") = "9"
    & skf18("6","1","10","2","7","9","1") = "9"
    & skf18("6","1","10","2","7","10","1") = "9"
    & skf18("6","1","10","2","8","1","1") = "9"
    & skf18("6","1","10","2","8","2","1") = "9"
    & skf18("6","1","10","2","8","3","1") = "9"
    & skf18("6","1","10","2","8","4","1") = "9"
    & skf18("6","1","10","2","8","5","1") = "9"
    & skf18("6","1","10","2","8","6","1") = "9"
    & skf18("6","1","10","2","8","7","1") = "9"
    & skf18("6","1","10","2","8","8","1") = "9"
    & skf18("6","1","10","2","8","9","1") = "9"
    & skf18("6","1","10","2","8","10","1") = "9"
    & skf18("6","1","10","2","9","1","1") = "9"
    & skf18("6","1","10","2","9","2","1") = "9"
    & skf18("6","1","10","2","9","3","1") = "9"
    & skf18("6","1","10","2","9","4","1") = "9"
    & skf18("6","1","10","2","9","5","1") = "9"
    & skf18("6","1","10","2","9","6","1") = "9"
    & skf18("6","1","10","2","9","7","1") = "9"
    & skf18("6","1","10","2","9","8","1") = "9"
    & skf18("6","1","10","2","9","9","1") = "9"
    & skf18("6","1","10","2","9","10","1") = "9"
    & skf18("6","1","10","2","10","1","1") = "9"
    & skf18("6","1","10","2","10","2","1") = "9"
    & skf18("6","1","10","2","10","3","1") = "9"
    & skf18("6","1","10","2","10","4","1") = "9"
    & skf18("6","1","10","2","10","5","1") = "9"
    & skf18("6","1","10","2","10","6","1") = "9"
    & skf18("6","1","10","2","10","7","1") = "9"
    & skf18("6","1","10","2","10","8","1") = "9"
    & skf18("6","1","10","2","10","9","1") = "9"
    & skf18("6","1","10","2","10","10","1") = "9"
    & skf18("6","1","10","3","1","1","1") = "9"
    & skf18("6","1","10","3","1","2","1") = "9"
    & skf18("6","1","10","3","1","3","1") = "9"
    & skf18("6","1","10","3","1","4","1") = "9"
    & skf18("6","1","10","3","1","5","1") = "9"
    & skf18("6","1","10","3","1","6","1") = "9"
    & skf18("6","1","10","3","1","7","1") = "9"
    & skf18("6","1","10","3","1","8","1") = "9"
    & skf18("6","1","10","3","1","9","1") = "9"
    & skf18("6","1","10","3","1","10","1") = "9"
    & skf18("6","1","10","3","2","1","1") = "9"
    & skf18("6","1","10","3","2","2","1") = "9"
    & skf18("6","1","10","3","2","3","1") = "9"
    & skf18("6","1","10","3","2","4","1") = "9"
    & skf18("6","1","10","3","2","5","1") = "9"
    & skf18("6","1","10","3","2","6","1") = "9"
    & skf18("6","1","10","3","2","7","1") = "9"
    & skf18("6","1","10","3","2","8","1") = "9"
    & skf18("6","1","10","3","2","9","1") = "9"
    & skf18("6","1","10","3","2","10","1") = "9"
    & skf18("6","1","10","3","3","1","1") = "9"
    & skf18("6","1","10","3","3","2","1") = "9"
    & skf18("6","1","10","3","3","3","1") = "9"
    & skf18("6","1","10","3","3","4","1") = "9"
    & skf18("6","1","10","3","3","5","1") = "9"
    & skf18("6","1","10","3","3","6","1") = "9"
    & skf18("6","1","10","3","3","7","1") = "9"
    & skf18("6","1","10","3","3","8","1") = "9"
    & skf18("6","1","10","3","3","9","1") = "9"
    & skf18("6","1","10","3","3","10","1") = "9"
    & skf18("6","1","10","3","4","1","1") = "9"
    & skf18("6","1","10","3","4","2","1") = "9"
    & skf18("6","1","10","3","4","3","1") = "9"
    & skf18("6","1","10","3","4","4","1") = "9"
    & skf18("6","1","10","3","4","5","1") = "9"
    & skf18("6","1","10","3","4","6","1") = "9"
    & skf18("6","1","10","3","4","7","1") = "9"
    & skf18("6","1","10","3","4","8","1") = "9"
    & skf18("6","1","10","3","4","9","1") = "9"
    & skf18("6","1","10","3","4","10","1") = "9"
    & skf18("6","1","10","3","5","1","1") = "9"
    & skf18("6","1","10","3","5","2","1") = "9"
    & skf18("6","1","10","3","5","3","1") = "9"
    & skf18("6","1","10","3","5","4","1") = "9"
    & skf18("6","1","10","3","5","5","1") = "9"
    & skf18("6","1","10","3","5","6","1") = "9"
    & skf18("6","1","10","3","5","7","1") = "9"
    & skf18("6","1","10","3","5","8","1") = "9"
    & skf18("6","1","10","3","5","9","1") = "9"
    & skf18("6","1","10","3","5","10","1") = "9"
    & skf18("6","1","10","3","6","1","1") = "9"
    & skf18("6","1","10","3","6","2","1") = "9"
    & skf18("6","1","10","3","6","3","1") = "9"
    & skf18("6","1","10","3","6","4","1") = "9"
    & skf18("6","1","10","3","6","5","1") = "9"
    & skf18("6","1","10","3","6","6","1") = "9"
    & skf18("6","1","10","3","6","7","1") = "9"
    & skf18("6","1","10","3","6","8","1") = "9"
    & skf18("6","1","10","3","6","9","1") = "9"
    & skf18("6","1","10","3","6","10","1") = "9"
    & skf18("6","1","10","3","7","1","1") = "9"
    & skf18("6","1","10","3","7","2","1") = "9"
    & skf18("6","1","10","3","7","3","1") = "9"
    & skf18("6","1","10","3","7","4","1") = "9"
    & skf18("6","1","10","3","7","5","1") = "9"
    & skf18("6","1","10","3","7","6","1") = "9"
    & skf18("6","1","10","3","7","7","1") = "9"
    & skf18("6","1","10","3","7","8","1") = "9"
    & skf18("6","1","10","3","7","9","1") = "9"
    & skf18("6","1","10","3","7","10","1") = "9"
    & skf18("6","1","10","3","8","1","1") = "9"
    & skf18("6","1","10","3","8","2","1") = "9"
    & skf18("6","1","10","3","8","3","1") = "9"
    & skf18("6","1","10","3","8","4","1") = "9"
    & skf18("6","1","10","3","8","5","1") = "9"
    & skf18("6","1","10","3","8","6","1") = "9"
    & skf18("6","1","10","3","8","7","1") = "9"
    & skf18("6","1","10","3","8","8","1") = "9"
    & skf18("6","1","10","3","8","9","1") = "9"
    & skf18("6","1","10","3","8","10","1") = "9"
    & skf18("6","1","10","3","9","1","1") = "9"
    & skf18("6","1","10","3","9","2","1") = "9"
    & skf18("6","1","10","3","9","3","1") = "9"
    & skf18("6","1","10","3","9","4","1") = "9"
    & skf18("6","1","10","3","9","5","1") = "9"
    & skf18("6","1","10","3","9","6","1") = "9"
    & skf18("6","1","10","3","9","7","1") = "9"
    & skf18("6","1","10","3","9","8","1") = "9"
    & skf18("6","1","10","3","9","9","1") = "9"
    & skf18("6","1","10","3","9","10","1") = "9"
    & skf18("6","1","10","3","10","1","1") = "9"
    & skf18("6","1","10","3","10","2","1") = "9"
    & skf18("6","1","10","3","10","3","1") = "9"
    & skf18("6","1","10","3","10","4","1") = "9"
    & skf18("6","1","10","3","10","5","1") = "9"
    & skf18("6","1","10","3","10","6","1") = "9"
    & skf18("6","1","10","3","10","7","1") = "9"
    & skf18("6","1","10","3","10","8","1") = "9"
    & skf18("6","1","10","3","10","9","1") = "9"
    & skf18("6","1","10","3","10","10","1") = "9"
    & skf18("6","1","10","4","1","1","1") = "9"
    & skf18("6","1","10","4","1","2","1") = "9"
    & skf18("6","1","10","4","1","3","1") = "9"
    & skf18("6","1","10","4","1","4","1") = "9"
    & skf18("6","1","10","4","1","5","1") = "9"
    & skf18("6","1","10","4","1","6","1") = "9"
    & skf18("6","1","10","4","1","7","1") = "9"
    & skf18("6","1","10","4","1","8","1") = "9"
    & skf18("6","1","10","4","1","9","1") = "9"
    & skf18("6","1","10","4","1","10","1") = "9"
    & skf18("6","1","10","4","2","1","1") = "9"
    & skf18("6","1","10","4","2","2","1") = "9"
    & skf18("6","1","10","4","2","3","1") = "9"
    & skf18("6","1","10","4","2","4","1") = "9"
    & skf18("6","1","10","4","2","5","1") = "9"
    & skf18("6","1","10","4","2","6","1") = "9"
    & skf18("6","1","10","4","2","7","1") = "9"
    & skf18("6","1","10","4","2","8","1") = "9"
    & skf18("6","1","10","4","2","9","1") = "9"
    & skf18("6","1","10","4","2","10","1") = "9"
    & skf18("6","1","10","4","3","1","1") = "9"
    & skf18("6","1","10","4","3","2","1") = "9"
    & skf18("6","1","10","4","3","3","1") = "9"
    & skf18("6","1","10","4","3","4","1") = "9"
    & skf18("6","1","10","4","3","5","1") = "9"
    & skf18("6","1","10","4","3","6","1") = "9"
    & skf18("6","1","10","4","3","7","1") = "9"
    & skf18("6","1","10","4","3","8","1") = "9"
    & skf18("6","1","10","4","3","9","1") = "9"
    & skf18("6","1","10","4","3","10","1") = "9"
    & skf18("6","1","10","4","4","1","1") = "9"
    & skf18("6","1","10","4","4","2","1") = "9"
    & skf18("6","1","10","4","4","3","1") = "9"
    & skf18("6","1","10","4","4","4","1") = "9"
    & skf18("6","1","10","4","4","5","1") = "9"
    & skf18("6","1","10","4","4","6","1") = "9"
    & skf18("6","1","10","4","4","7","1") = "9"
    & skf18("6","1","10","4","4","8","1") = "9"
    & skf18("6","1","10","4","4","9","1") = "9"
    & skf18("6","1","10","4","4","10","1") = "9"
    & skf18("6","1","10","4","5","1","1") = "9"
    & skf18("6","1","10","4","5","2","1") = "9"
    & skf18("6","1","10","4","5","3","1") = "9"
    & skf18("6","1","10","4","5","4","1") = "9"
    & skf18("6","1","10","4","5","5","1") = "9"
    & skf18("6","1","10","4","5","6","1") = "9"
    & skf18("6","1","10","4","5","7","1") = "9"
    & skf18("6","1","10","4","5","8","1") = "9"
    & skf18("6","1","10","4","5","9","1") = "9"
    & skf18("6","1","10","4","5","10","1") = "9"
    & skf18("6","1","10","4","6","1","1") = "9"
    & skf18("6","1","10","4","6","2","1") = "9"
    & skf18("6","1","10","4","6","3","1") = "9"
    & skf18("6","1","10","4","6","4","1") = "9"
    & skf18("6","1","10","4","6","5","1") = "9"
    & skf18("6","1","10","4","6","6","1") = "9"
    & skf18("6","1","10","4","6","7","1") = "9"
    & skf18("6","1","10","4","6","8","1") = "9"
    & skf18("6","1","10","4","6","9","1") = "9"
    & skf18("6","1","10","4","6","10","1") = "9"
    & skf18("6","1","10","4","7","1","1") = "9"
    & skf18("6","1","10","4","7","2","1") = "9"
    & skf18("6","1","10","4","7","3","1") = "9"
    & skf18("6","1","10","4","7","4","1") = "9"
    & skf18("6","1","10","4","7","5","1") = "9"
    & skf18("6","1","10","4","7","6","1") = "9"
    & skf18("6","1","10","4","7","7","1") = "9"
    & skf18("6","1","10","4","7","8","1") = "9"
    & skf18("6","1","10","4","7","9","1") = "9"
    & skf18("6","1","10","4","7","10","1") = "9"
    & skf18("6","1","10","4","8","1","1") = "9"
    & skf18("6","1","10","4","8","2","1") = "9"
    & skf18("6","1","10","4","8","3","1") = "9"
    & skf18("6","1","10","4","8","4","1") = "9"
    & skf18("6","1","10","4","8","5","1") = "9"
    & skf18("6","1","10","4","8","6","1") = "9"
    & skf18("6","1","10","4","8","7","1") = "9"
    & skf18("6","1","10","4","8","8","1") = "9"
    & skf18("6","1","10","4","8","9","1") = "9"
    & skf18("6","1","10","4","8","10","1") = "9"
    & skf18("6","1","10","4","9","1","1") = "9"
    & skf18("6","1","10","4","9","2","1") = "9"
    & skf18("6","1","10","4","9","3","1") = "9"
    & skf18("6","1","10","4","9","4","1") = "9"
    & skf18("6","1","10","4","9","5","1") = "9"
    & skf18("6","1","10","4","9","6","1") = "9"
    & skf18("6","1","10","4","9","7","1") = "9"
    & skf18("6","1","10","4","9","8","1") = "9"
    & skf18("6","1","10","4","9","9","1") = "9"
    & skf18("6","1","10","4","9","10","1") = "9"
    & skf18("6","1","10","4","10","1","1") = "9"
    & skf18("6","1","10","4","10","2","1") = "9"
    & skf18("6","1","10","4","10","3","1") = "9"
    & skf18("6","1","10","4","10","4","1") = "9"
    & skf18("6","1","10","4","10","5","1") = "9"
    & skf18("6","1","10","4","10","6","1") = "9"
    & skf18("6","1","10","4","10","7","1") = "9"
    & skf18("6","1","10","4","10","8","1") = "9"
    & skf18("6","1","10","4","10","9","1") = "9"
    & skf18("6","1","10","4","10","10","1") = "9"
    & skf18("6","1","10","5","1","1","1") = "9"
    & skf18("6","1","10","5","1","2","1") = "9"
    & skf18("6","1","10","5","1","3","1") = "9"
    & skf18("6","1","10","5","1","4","1") = "9"
    & skf18("6","1","10","5","1","5","1") = "9"
    & skf18("6","1","10","5","1","6","1") = "9"
    & skf18("6","1","10","5","1","7","1") = "9"
    & skf18("6","1","10","5","1","8","1") = "9"
    & skf18("6","1","10","5","1","9","1") = "9"
    & skf18("6","1","10","5","1","10","1") = "9"
    & skf18("6","1","10","5","2","1","1") = "9"
    & skf18("6","1","10","5","2","2","1") = "9"
    & skf18("6","1","10","5","2","3","1") = "9"
    & skf18("6","1","10","5","2","4","1") = "9"
    & skf18("6","1","10","5","2","5","1") = "9"
    & skf18("6","1","10","5","2","6","1") = "9"
    & skf18("6","1","10","5","2","7","1") = "9"
    & skf18("6","1","10","5","2","8","1") = "9"
    & skf18("6","1","10","5","2","9","1") = "9"
    & skf18("6","1","10","5","2","10","1") = "9"
    & skf18("6","1","10","5","3","1","1") = "9"
    & skf18("6","1","10","5","3","2","1") = "9"
    & skf18("6","1","10","5","3","3","1") = "9"
    & skf18("6","1","10","5","3","4","1") = "9"
    & skf18("6","1","10","5","3","5","1") = "9"
    & skf18("6","1","10","5","3","6","1") = "9"
    & skf18("6","1","10","5","3","7","1") = "9"
    & skf18("6","1","10","5","3","8","1") = "9"
    & skf18("6","1","10","5","3","9","1") = "9"
    & skf18("6","1","10","5","3","10","1") = "9"
    & skf18("6","1","10","5","4","1","1") = "9"
    & skf18("6","1","10","5","4","2","1") = "9"
    & skf18("6","1","10","5","4","3","1") = "9"
    & skf18("6","1","10","5","4","4","1") = "9"
    & skf18("6","1","10","5","4","5","1") = "9"
    & skf18("6","1","10","5","4","6","1") = "9"
    & skf18("6","1","10","5","4","7","1") = "9"
    & skf18("6","1","10","5","4","8","1") = "9"
    & skf18("6","1","10","5","4","9","1") = "9"
    & skf18("6","1","10","5","4","10","1") = "9"
    & skf18("6","1","10","5","5","1","1") = "9"
    & skf18("6","1","10","5","5","2","1") = "9"
    & skf18("6","1","10","5","5","3","1") = "9"
    & skf18("6","1","10","5","5","4","1") = "9"
    & skf18("6","1","10","5","5","5","1") = "9"
    & skf18("6","1","10","5","5","6","1") = "9"
    & skf18("6","1","10","5","5","7","1") = "9"
    & skf18("6","1","10","5","5","8","1") = "9"
    & skf18("6","1","10","5","5","9","1") = "9"
    & skf18("6","1","10","5","5","10","1") = "9"
    & skf18("6","1","10","5","6","1","1") = "9"
    & skf18("6","1","10","5","6","2","1") = "9"
    & skf18("6","1","10","5","6","3","1") = "9"
    & skf18("6","1","10","5","6","4","1") = "9"
    & skf18("6","1","10","5","6","5","1") = "9"
    & skf18("6","1","10","5","6","6","1") = "9"
    & skf18("6","1","10","5","6","7","1") = "9"
    & skf18("6","1","10","5","6","8","1") = "9"
    & skf18("6","1","10","5","6","9","1") = "9"
    & skf18("6","1","10","5","6","10","1") = "9"
    & skf18("6","1","10","5","7","1","1") = "9"
    & skf18("6","1","10","5","7","2","1") = "9"
    & skf18("6","1","10","5","7","3","1") = "9"
    & skf18("6","1","10","5","7","4","1") = "9"
    & skf18("6","1","10","5","7","5","1") = "9"
    & skf18("6","1","10","5","7","6","1") = "9"
    & skf18("6","1","10","5","7","7","1") = "9"
    & skf18("6","1","10","5","7","8","1") = "9"
    & skf18("6","1","10","5","7","9","1") = "9"
    & skf18("6","1","10","5","7","10","1") = "9"
    & skf18("6","1","10","5","8","1","1") = "9"
    & skf18("6","1","10","5","8","2","1") = "9"
    & skf18("6","1","10","5","8","3","1") = "9"
    & skf18("6","1","10","5","8","4","1") = "9"
    & skf18("6","1","10","5","8","5","1") = "9"
    & skf18("6","1","10","5","8","6","1") = "9"
    & skf18("6","1","10","5","8","7","1") = "9"
    & skf18("6","1","10","5","8","8","1") = "9"
    & skf18("6","1","10","5","8","9","1") = "9"
    & skf18("6","1","10","5","8","10","1") = "9"
    & skf18("6","1","10","5","9","1","1") = "9"
    & skf18("6","1","10","5","9","2","1") = "9"
    & skf18("6","1","10","5","9","3","1") = "9"
    & skf18("6","1","10","5","9","4","1") = "9"
    & skf18("6","1","10","5","9","5","1") = "9"
    & skf18("6","1","10","5","9","6","1") = "9"
    & skf18("6","1","10","5","9","7","1") = "9"
    & skf18("6","1","10","5","9","8","1") = "9"
    & skf18("6","1","10","5","9","9","1") = "9"
    & skf18("6","1","10","5","9","10","1") = "9"
    & skf18("6","1","10","5","10","1","1") = "9"
    & skf18("6","1","10","5","10","2","1") = "9"
    & skf18("6","1","10","5","10","3","1") = "9"
    & skf18("6","1","10","5","10","4","1") = "9"
    & skf18("6","1","10","5","10","5","1") = "9"
    & skf18("6","1","10","5","10","6","1") = "9"
    & skf18("6","1","10","5","10","7","1") = "9"
    & skf18("6","1","10","5","10","8","1") = "9"
    & skf18("6","1","10","5","10","9","1") = "9"
    & skf18("6","1","10","5","10","10","1") = "9"
    & skf18("6","1","10","6","1","1","1") = "9"
    & skf18("6","1","10","6","1","2","1") = "9"
    & skf18("6","1","10","6","1","3","1") = "9"
    & skf18("6","1","10","6","1","4","1") = "9"
    & skf18("6","1","10","6","1","5","1") = "9"
    & skf18("6","1","10","6","1","6","1") = "9"
    & skf18("6","1","10","6","1","7","1") = "9"
    & skf18("6","1","10","6","1","8","1") = "9"
    & skf18("6","1","10","6","1","9","1") = "9"
    & skf18("6","1","10","6","1","10","1") = "9"
    & skf18("6","1","10","6","2","1","1") = "9"
    & skf18("6","1","10","6","2","2","1") = "9"
    & skf18("6","1","10","6","2","3","1") = "9"
    & skf18("6","1","10","6","2","4","1") = "9"
    & skf18("6","1","10","6","2","5","1") = "9"
    & skf18("6","1","10","6","2","6","1") = "9"
    & skf18("6","1","10","6","2","7","1") = "9"
    & skf18("6","1","10","6","2","8","1") = "9"
    & skf18("6","1","10","6","2","9","1") = "9"
    & skf18("6","1","10","6","2","10","1") = "9"
    & skf18("6","1","10","6","3","1","1") = "9"
    & skf18("6","1","10","6","3","2","1") = "9"
    & skf18("6","1","10","6","3","3","1") = "9"
    & skf18("6","1","10","6","3","4","1") = "9"
    & skf18("6","1","10","6","3","5","1") = "9"
    & skf18("6","1","10","6","3","6","1") = "9"
    & skf18("6","1","10","6","3","7","1") = "9"
    & skf18("6","1","10","6","3","8","1") = "9"
    & skf18("6","1","10","6","3","9","1") = "9"
    & skf18("6","1","10","6","3","10","1") = "9"
    & skf18("6","1","10","6","4","1","1") = "9"
    & skf18("6","1","10","6","4","2","1") = "9"
    & skf18("6","1","10","6","4","3","1") = "9"
    & skf18("6","1","10","6","4","4","1") = "9"
    & skf18("6","1","10","6","4","5","1") = "9"
    & skf18("6","1","10","6","4","6","1") = "9"
    & skf18("6","1","10","6","4","7","1") = "9"
    & skf18("6","1","10","6","4","8","1") = "9"
    & skf18("6","1","10","6","4","9","1") = "9"
    & skf18("6","1","10","6","4","10","1") = "9"
    & skf18("6","1","10","6","5","1","1") = "9"
    & skf18("6","1","10","6","5","2","1") = "9"
    & skf18("6","1","10","6","5","3","1") = "9"
    & skf18("6","1","10","6","5","4","1") = "9"
    & skf18("6","1","10","6","5","5","1") = "9"
    & skf18("6","1","10","6","5","6","1") = "9"
    & skf18("6","1","10","6","5","7","1") = "9"
    & skf18("6","1","10","6","5","8","1") = "9"
    & skf18("6","1","10","6","5","9","1") = "9"
    & skf18("6","1","10","6","5","10","1") = "9"
    & skf18("6","1","10","6","6","1","1") = "9"
    & skf18("6","1","10","6","6","2","1") = "9"
    & skf18("6","1","10","6","6","3","1") = "9"
    & skf18("6","1","10","6","6","4","1") = "9"
    & skf18("6","1","10","6","6","5","1") = "9"
    & skf18("6","1","10","6","6","6","1") = "9"
    & skf18("6","1","10","6","6","7","1") = "9"
    & skf18("6","1","10","6","6","8","1") = "9"
    & skf18("6","1","10","6","6","9","1") = "9"
    & skf18("6","1","10","6","6","10","1") = "9"
    & skf18("6","1","10","6","7","1","1") = "9"
    & skf18("6","1","10","6","7","2","1") = "9"
    & skf18("6","1","10","6","7","3","1") = "9"
    & skf18("6","1","10","6","7","4","1") = "9"
    & skf18("6","1","10","6","7","5","1") = "9"
    & skf18("6","1","10","6","7","6","1") = "9"
    & skf18("6","1","10","6","7","7","1") = "9"
    & skf18("6","1","10","6","7","8","1") = "9"
    & skf18("6","1","10","6","7","9","1") = "9"
    & skf18("6","1","10","6","7","10","1") = "9"
    & skf18("6","1","10","6","8","1","1") = "9"
    & skf18("6","1","10","6","8","2","1") = "9"
    & skf18("6","1","10","6","8","3","1") = "9"
    & skf18("6","1","10","6","8","4","1") = "9"
    & skf18("6","1","10","6","8","5","1") = "9"
    & skf18("6","1","10","6","8","6","1") = "9"
    & skf18("6","1","10","6","8","7","1") = "9"
    & skf18("6","1","10","6","8","8","1") = "9"
    & skf18("6","1","10","6","8","9","1") = "9"
    & skf18("6","1","10","6","8","10","1") = "9"
    & skf18("6","1","10","6","9","1","1") = "9"
    & skf18("6","1","10","6","9","2","1") = "9"
    & skf18("6","1","10","6","9","3","1") = "9"
    & skf18("6","1","10","6","9","4","1") = "9"
    & skf18("6","1","10","6","9","5","1") = "9"
    & skf18("6","1","10","6","9","6","1") = "9"
    & skf18("6","1","10","6","9","7","1") = "9"
    & skf18("6","1","10","6","9","8","1") = "9"
    & skf18("6","1","10","6","9","9","1") = "9"
    & skf18("6","1","10","6","9","10","1") = "9"
    & skf18("6","1","10","6","10","1","1") = "9"
    & skf18("6","1","10","6","10","2","1") = "9"
    & skf18("6","1","10","6","10","3","1") = "9"
    & skf18("6","1","10","6","10","4","1") = "9"
    & skf18("6","1","10","6","10","5","1") = "9"
    & skf18("6","1","10","6","10","6","1") = "9"
    & skf18("6","1","10","6","10","7","1") = "9"
    & skf18("6","1","10","6","10","8","1") = "9"
    & skf18("6","1","10","6","10","9","1") = "9"
    & skf18("6","1","10","6","10","10","1") = "9"
    & skf18("6","1","10","7","1","1","1") = "9"
    & skf18("6","1","10","7","1","2","1") = "9"
    & skf18("6","1","10","7","1","3","1") = "9"
    & skf18("6","1","10","7","1","4","1") = "9"
    & skf18("6","1","10","7","1","5","1") = "9"
    & skf18("6","1","10","7","1","6","1") = "9"
    & skf18("6","1","10","7","1","7","1") = "9"
    & skf18("6","1","10","7","1","8","1") = "9"
    & skf18("6","1","10","7","1","9","1") = "9"
    & skf18("6","1","10","7","1","10","1") = "9"
    & skf18("6","1","10","7","2","1","1") = "9"
    & skf18("6","1","10","7","2","2","1") = "9"
    & skf18("6","1","10","7","2","3","1") = "9"
    & skf18("6","1","10","7","2","4","1") = "9"
    & skf18("6","1","10","7","2","5","1") = "9"
    & skf18("6","1","10","7","2","6","1") = "9"
    & skf18("6","1","10","7","2","7","1") = "9"
    & skf18("6","1","10","7","2","8","1") = "9"
    & skf18("6","1","10","7","2","9","1") = "9"
    & skf18("6","1","10","7","2","10","1") = "9"
    & skf18("6","1","10","7","3","1","1") = "9"
    & skf18("6","1","10","7","3","2","1") = "9"
    & skf18("6","1","10","7","3","3","1") = "9"
    & skf18("6","1","10","7","3","4","1") = "9"
    & skf18("6","1","10","7","3","5","1") = "9"
    & skf18("6","1","10","7","3","6","1") = "9"
    & skf18("6","1","10","7","3","7","1") = "9"
    & skf18("6","1","10","7","3","8","1") = "9"
    & skf18("6","1","10","7","3","9","1") = "9"
    & skf18("6","1","10","7","3","10","1") = "9"
    & skf18("6","1","10","7","4","1","1") = "9"
    & skf18("6","1","10","7","4","2","1") = "9"
    & skf18("6","1","10","7","4","3","1") = "9"
    & skf18("6","1","10","7","4","4","1") = "9"
    & skf18("6","1","10","7","4","5","1") = "9"
    & skf18("6","1","10","7","4","6","1") = "9"
    & skf18("6","1","10","7","4","7","1") = "9"
    & skf18("6","1","10","7","4","8","1") = "9"
    & skf18("6","1","10","7","4","9","1") = "9"
    & skf18("6","1","10","7","4","10","1") = "9"
    & skf18("6","1","10","7","5","1","1") = "9"
    & skf18("6","1","10","7","5","2","1") = "9"
    & skf18("6","1","10","7","5","3","1") = "9"
    & skf18("6","1","10","7","5","4","1") = "9"
    & skf18("6","1","10","7","5","5","1") = "9"
    & skf18("6","1","10","7","5","6","1") = "9"
    & skf18("6","1","10","7","5","7","1") = "9"
    & skf18("6","1","10","7","5","8","1") = "9"
    & skf18("6","1","10","7","5","9","1") = "9"
    & skf18("6","1","10","7","5","10","1") = "9"
    & skf18("6","1","10","7","6","1","1") = "9"
    & skf18("6","1","10","7","6","2","1") = "9"
    & skf18("6","1","10","7","6","3","1") = "9"
    & skf18("6","1","10","7","6","4","1") = "9"
    & skf18("6","1","10","7","6","5","1") = "9"
    & skf18("6","1","10","7","6","6","1") = "9"
    & skf18("6","1","10","7","6","7","1") = "9"
    & skf18("6","1","10","7","6","8","1") = "9"
    & skf18("6","1","10","7","6","9","1") = "9"
    & skf18("6","1","10","7","6","10","1") = "9"
    & skf18("6","1","10","7","7","1","1") = "9"
    & skf18("6","1","10","7","7","2","1") = "9"
    & skf18("6","1","10","7","7","3","1") = "9"
    & skf18("6","1","10","7","7","4","1") = "9"
    & skf18("6","1","10","7","7","5","1") = "9"
    & skf18("6","1","10","7","7","6","1") = "9"
    & skf18("6","1","10","7","7","7","1") = "9"
    & skf18("6","1","10","7","7","8","1") = "9"
    & skf18("6","1","10","7","7","9","1") = "9"
    & skf18("6","1","10","7","7","10","1") = "9"
    & skf18("6","1","10","7","8","1","1") = "9"
    & skf18("6","1","10","7","8","2","1") = "9"
    & skf18("6","1","10","7","8","3","1") = "9"
    & skf18("6","1","10","7","8","4","1") = "9"
    & skf18("6","1","10","7","8","5","1") = "9"
    & skf18("6","1","10","7","8","6","1") = "9"
    & skf18("6","1","10","7","8","7","1") = "9"
    & skf18("6","1","10","7","8","8","1") = "9"
    & skf18("6","1","10","7","8","9","1") = "9"
    & skf18("6","1","10","7","8","10","1") = "9"
    & skf18("6","1","10","7","9","1","1") = "9"
    & skf18("6","1","10","7","9","2","1") = "9"
    & skf18("6","1","10","7","9","3","1") = "9"
    & skf18("6","1","10","7","9","4","1") = "9"
    & skf18("6","1","10","7","9","5","1") = "9"
    & skf18("6","1","10","7","9","6","1") = "9"
    & skf18("6","1","10","7","9","7","1") = "9"
    & skf18("6","1","10","7","9","8","1") = "9"
    & skf18("6","1","10","7","9","9","1") = "9"
    & skf18("6","1","10","7","9","10","1") = "9"
    & skf18("6","1","10","7","10","1","1") = "9"
    & skf18("6","1","10","7","10","2","1") = "9"
    & skf18("6","1","10","7","10","3","1") = "9"
    & skf18("6","1","10","7","10","4","1") = "9"
    & skf18("6","1","10","7","10","5","1") = "9"
    & skf18("6","1","10","7","10","6","1") = "9"
    & skf18("6","1","10","7","10","7","1") = "9"
    & skf18("6","1","10","7","10","8","1") = "9"
    & skf18("6","1","10","7","10","9","1") = "9"
    & skf18("6","1","10","7","10","10","1") = "9"
    & skf18("6","1","10","8","1","1","1") = "9"
    & skf18("6","1","10","8","1","2","1") = "9"
    & skf18("6","1","10","8","1","3","1") = "9"
    & skf18("6","1","10","8","1","4","1") = "9"
    & skf18("6","1","10","8","1","5","1") = "9"
    & skf18("6","1","10","8","1","6","1") = "9"
    & skf18("6","1","10","8","1","7","1") = "9"
    & skf18("6","1","10","8","1","8","1") = "9"
    & skf18("6","1","10","8","1","9","1") = "9"
    & skf18("6","1","10","8","1","10","1") = "9"
    & skf18("6","1","10","8","2","1","1") = "9"
    & skf18("6","1","10","8","2","2","1") = "9"
    & skf18("6","1","10","8","2","3","1") = "9"
    & skf18("6","1","10","8","2","4","1") = "9"
    & skf18("6","1","10","8","2","5","1") = "9"
    & skf18("6","1","10","8","2","6","1") = "9"
    & skf18("6","1","10","8","2","7","1") = "9"
    & skf18("6","1","10","8","2","8","1") = "9"
    & skf18("6","1","10","8","2","9","1") = "9"
    & skf18("6","1","10","8","2","10","1") = "9"
    & skf18("6","1","10","8","3","1","1") = "9"
    & skf18("6","1","10","8","3","2","1") = "9"
    & skf18("6","1","10","8","3","3","1") = "9"
    & skf18("6","1","10","8","3","4","1") = "9"
    & skf18("6","1","10","8","3","5","1") = "9"
    & skf18("6","1","10","8","3","6","1") = "9"
    & skf18("6","1","10","8","3","7","1") = "9"
    & skf18("6","1","10","8","3","8","1") = "9"
    & skf18("6","1","10","8","3","9","1") = "9"
    & skf18("6","1","10","8","3","10","1") = "9"
    & skf18("6","1","10","8","4","1","1") = "9"
    & skf18("6","1","10","8","4","2","1") = "9"
    & skf18("6","1","10","8","4","3","1") = "9"
    & skf18("6","1","10","8","4","4","1") = "9"
    & skf18("6","1","10","8","4","5","1") = "9"
    & skf18("6","1","10","8","4","6","1") = "9"
    & skf18("6","1","10","8","4","7","1") = "9"
    & skf18("6","1","10","8","4","8","1") = "9"
    & skf18("6","1","10","8","4","9","1") = "9"
    & skf18("6","1","10","8","4","10","1") = "9"
    & skf18("6","1","10","8","5","1","1") = "9"
    & skf18("6","1","10","8","5","2","1") = "9"
    & skf18("6","1","10","8","5","3","1") = "9"
    & skf18("6","1","10","8","5","4","1") = "9"
    & skf18("6","1","10","8","5","5","1") = "9"
    & skf18("6","1","10","8","5","6","1") = "9"
    & skf18("6","1","10","8","5","7","1") = "9"
    & skf18("6","1","10","8","5","8","1") = "9"
    & skf18("6","1","10","8","5","9","1") = "9"
    & skf18("6","1","10","8","5","10","1") = "9"
    & skf18("6","1","10","8","6","1","1") = "9"
    & skf18("6","1","10","8","6","2","1") = "9"
    & skf18("6","1","10","8","6","3","1") = "9"
    & skf18("6","1","10","8","6","4","1") = "9"
    & skf18("6","1","10","8","6","5","1") = "9"
    & skf18("6","1","10","8","6","6","1") = "9"
    & skf18("6","1","10","8","6","7","1") = "9"
    & skf18("6","1","10","8","6","8","1") = "9"
    & skf18("6","1","10","8","6","9","1") = "9"
    & skf18("6","1","10","8","6","10","1") = "9"
    & skf18("6","1","10","8","7","1","1") = "9"
    & skf18("6","1","10","8","7","2","1") = "9"
    & skf18("6","1","10","8","7","3","1") = "9"
    & skf18("6","1","10","8","7","4","1") = "9"
    & skf18("6","1","10","8","7","5","1") = "9"
    & skf18("6","1","10","8","7","6","1") = "9"
    & skf18("6","1","10","8","7","7","1") = "9"
    & skf18("6","1","10","8","7","8","1") = "9"
    & skf18("6","1","10","8","7","9","1") = "9"
    & skf18("6","1","10","8","7","10","1") = "9"
    & skf18("6","1","10","8","8","1","1") = "9"
    & skf18("6","1","10","8","8","2","1") = "9"
    & skf18("6","1","10","8","8","3","1") = "9"
    & skf18("6","1","10","8","8","4","1") = "9"
    & skf18("6","1","10","8","8","5","1") = "9"
    & skf18("6","1","10","8","8","6","1") = "9"
    & skf18("6","1","10","8","8","7","1") = "9"
    & skf18("6","1","10","8","8","8","1") = "9"
    & skf18("6","1","10","8","8","9","1") = "9"
    & skf18("6","1","10","8","8","10","1") = "9"
    & skf18("6","1","10","8","9","1","1") = "9"
    & skf18("6","1","10","8","9","2","1") = "9"
    & skf18("6","1","10","8","9","3","1") = "9"
    & skf18("6","1","10","8","9","4","1") = "9"
    & skf18("6","1","10","8","9","5","1") = "9"
    & skf18("6","1","10","8","9","6","1") = "9"
    & skf18("6","1","10","8","9","7","1") = "9"
    & skf18("6","1","10","8","9","8","1") = "9"
    & skf18("6","1","10","8","9","9","1") = "9"
    & skf18("6","1","10","8","9","10","1") = "9"
    & skf18("6","1","10","8","10","1","1") = "9"
    & skf18("6","1","10","8","10","2","1") = "9"
    & skf18("6","1","10","8","10","3","1") = "9"
    & skf18("6","1","10","8","10","4","1") = "9"
    & skf18("6","1","10","8","10","5","1") = "9"
    & skf18("6","1","10","8","10","6","1") = "9"
    & skf18("6","1","10","8","10","7","1") = "9"
    & skf18("6","1","10","8","10","8","1") = "9"
    & skf18("6","1","10","8","10","9","1") = "9"
    & skf18("6","1","10","8","10","10","1") = "9"
    & skf18("6","1","10","9","1","1","1") = "9"
    & skf18("6","1","10","9","1","2","1") = "9"
    & skf18("6","1","10","9","1","3","1") = "9"
    & skf18("6","1","10","9","1","4","1") = "9"
    & skf18("6","1","10","9","1","5","1") = "9"
    & skf18("6","1","10","9","1","6","1") = "9"
    & skf18("6","1","10","9","1","7","1") = "9"
    & skf18("6","1","10","9","1","8","1") = "9"
    & skf18("6","1","10","9","1","9","1") = "9"
    & skf18("6","1","10","9","1","10","1") = "9"
    & skf18("6","1","10","9","2","1","1") = "9"
    & skf18("6","1","10","9","2","2","1") = "9"
    & skf18("6","1","10","9","2","3","1") = "9"
    & skf18("6","1","10","9","2","4","1") = "9"
    & skf18("6","1","10","9","2","5","1") = "9"
    & skf18("6","1","10","9","2","6","1") = "9"
    & skf18("6","1","10","9","2","7","1") = "9"
    & skf18("6","1","10","9","2","8","1") = "9"
    & skf18("6","1","10","9","2","9","1") = "9"
    & skf18("6","1","10","9","2","10","1") = "9"
    & skf18("6","1","10","9","3","1","1") = "9"
    & skf18("6","1","10","9","3","2","1") = "9"
    & skf18("6","1","10","9","3","3","1") = "9"
    & skf18("6","1","10","9","3","4","1") = "9"
    & skf18("6","1","10","9","3","5","1") = "9"
    & skf18("6","1","10","9","3","6","1") = "9"
    & skf18("6","1","10","9","3","7","1") = "9"
    & skf18("6","1","10","9","3","8","1") = "9"
    & skf18("6","1","10","9","3","9","1") = "9"
    & skf18("6","1","10","9","3","10","1") = "9"
    & skf18("6","1","10","9","4","1","1") = "9"
    & skf18("6","1","10","9","4","2","1") = "9"
    & skf18("6","1","10","9","4","3","1") = "9"
    & skf18("6","1","10","9","4","4","1") = "9"
    & skf18("6","1","10","9","4","5","1") = "9"
    & skf18("6","1","10","9","4","6","1") = "9"
    & skf18("6","1","10","9","4","7","1") = "9"
    & skf18("6","1","10","9","4","8","1") = "9"
    & skf18("6","1","10","9","4","9","1") = "9"
    & skf18("6","1","10","9","4","10","1") = "9"
    & skf18("6","1","10","9","5","1","1") = "9"
    & skf18("6","1","10","9","5","2","1") = "9"
    & skf18("6","1","10","9","5","3","1") = "9"
    & skf18("6","1","10","9","5","4","1") = "9"
    & skf18("6","1","10","9","5","5","1") = "9"
    & skf18("6","1","10","9","5","6","1") = "9"
    & skf18("6","1","10","9","5","7","1") = "9"
    & skf18("6","1","10","9","5","8","1") = "9"
    & skf18("6","1","10","9","5","9","1") = "9"
    & skf18("6","1","10","9","5","10","1") = "9"
    & skf18("6","1","10","9","6","1","1") = "9"
    & skf18("6","1","10","9","6","2","1") = "9"
    & skf18("6","1","10","9","6","3","1") = "9"
    & skf18("6","1","10","9","6","4","1") = "9"
    & skf18("6","1","10","9","6","5","1") = "9"
    & skf18("6","1","10","9","6","6","1") = "9"
    & skf18("6","1","10","9","6","7","1") = "9"
    & skf18("6","1","10","9","6","8","1") = "9"
    & skf18("6","1","10","9","6","9","1") = "9"
    & skf18("6","1","10","9","6","10","1") = "9"
    & skf18("6","1","10","9","7","1","1") = "9"
    & skf18("6","1","10","9","7","2","1") = "9"
    & skf18("6","1","10","9","7","3","1") = "9"
    & skf18("6","1","10","9","7","4","1") = "9"
    & skf18("6","1","10","9","7","5","1") = "9"
    & skf18("6","1","10","9","7","6","1") = "9"
    & skf18("6","1","10","9","7","7","1") = "9"
    & skf18("6","1","10","9","7","8","1") = "9"
    & skf18("6","1","10","9","7","9","1") = "9"
    & skf18("6","1","10","9","7","10","1") = "9"
    & skf18("6","1","10","9","8","1","1") = "9"
    & skf18("6","1","10","9","8","2","1") = "9"
    & skf18("6","1","10","9","8","3","1") = "9"
    & skf18("6","1","10","9","8","4","1") = "9"
    & skf18("6","1","10","9","8","5","1") = "9"
    & skf18("6","1","10","9","8","6","1") = "9"
    & skf18("6","1","10","9","8","7","1") = "9"
    & skf18("6","1","10","9","8","8","1") = "9"
    & skf18("6","1","10","9","8","9","1") = "9"
    & skf18("6","1","10","9","8","10","1") = "9"
    & skf18("6","1","10","9","9","1","1") = "9"
    & skf18("6","1","10","9","9","2","1") = "9"
    & skf18("6","1","10","9","9","3","1") = "9"
    & skf18("6","1","10","9","9","4","1") = "9"
    & skf18("6","1","10","9","9","5","1") = "9"
    & skf18("6","1","10","9","9","6","1") = "9"
    & skf18("6","1","10","9","9","7","1") = "9"
    & skf18("6","1","10","9","9","8","1") = "9"
    & skf18("6","1","10","9","9","9","1") = "9"
    & skf18("6","1","10","9","9","10","1") = "9"
    & skf18("6","1","10","9","10","1","1") = "9"
    & skf18("6","1","10","9","10","2","1") = "9"
    & skf18("6","1","10","9","10","3","1") = "9"
    & skf18("6","1","10","9","10","4","1") = "9"
    & skf18("6","1","10","9","10","5","1") = "9"
    & skf18("6","1","10","9","10","6","1") = "9"
    & skf18("6","1","10","9","10","7","1") = "9"
    & skf18("6","1","10","9","10","8","1") = "9"
    & skf18("6","1","10","9","10","9","1") = "9"
    & skf18("6","1","10","9","10","10","1") = "9"
    & skf18("6","1","10","10","1","1","1") = "9"
    & skf18("6","1","10","10","1","2","1") = "9"
    & skf18("6","1","10","10","1","3","1") = "9"
    & skf18("6","1","10","10","1","4","1") = "9"
    & skf18("6","1","10","10","1","5","1") = "9"
    & skf18("6","1","10","10","1","6","1") = "9"
    & skf18("6","1","10","10","1","7","1") = "9"
    & skf18("6","1","10","10","1","8","1") = "9"
    & skf18("6","1","10","10","1","9","1") = "9"
    & skf18("6","1","10","10","1","10","1") = "9"
    & skf18("6","1","10","10","2","1","1") = "9"
    & skf18("6","1","10","10","2","2","1") = "9"
    & skf18("6","1","10","10","2","3","1") = "9"
    & skf18("6","1","10","10","2","4","1") = "9"
    & skf18("6","1","10","10","2","5","1") = "9"
    & skf18("6","1","10","10","2","6","1") = "9"
    & skf18("6","1","10","10","2","7","1") = "9"
    & skf18("6","1","10","10","2","8","1") = "9"
    & skf18("6","1","10","10","2","9","1") = "9"
    & skf18("6","1","10","10","2","10","1") = "9"
    & skf18("6","1","10","10","3","1","1") = "9"
    & skf18("6","1","10","10","3","2","1") = "9"
    & skf18("6","1","10","10","3","3","1") = "9"
    & skf18("6","1","10","10","3","4","1") = "9"
    & skf18("6","1","10","10","3","5","1") = "9"
    & skf18("6","1","10","10","3","6","1") = "9"
    & skf18("6","1","10","10","3","7","1") = "9"
    & skf18("6","1","10","10","3","8","1") = "9"
    & skf18("6","1","10","10","3","9","1") = "9"
    & skf18("6","1","10","10","3","10","1") = "9"
    & skf18("6","1","10","10","4","1","1") = "9"
    & skf18("6","1","10","10","4","2","1") = "9"
    & skf18("6","1","10","10","4","3","1") = "9"
    & skf18("6","1","10","10","4","4","1") = "9"
    & skf18("6","1","10","10","4","5","1") = "9"
    & skf18("6","1","10","10","4","6","1") = "9"
    & skf18("6","1","10","10","4","7","1") = "9"
    & skf18("6","1","10","10","4","8","1") = "9"
    & skf18("6","1","10","10","4","9","1") = "9"
    & skf18("6","1","10","10","4","10","1") = "9"
    & skf18("6","1","10","10","5","1","1") = "9"
    & skf18("6","1","10","10","5","2","1") = "9"
    & skf18("6","1","10","10","5","3","1") = "9"
    & skf18("6","1","10","10","5","4","1") = "9"
    & skf18("6","1","10","10","5","5","1") = "9"
    & skf18("6","1","10","10","5","6","1") = "9"
    & skf18("6","1","10","10","5","7","1") = "9"
    & skf18("6","1","10","10","5","8","1") = "9"
    & skf18("6","1","10","10","5","9","1") = "9"
    & skf18("6","1","10","10","5","10","1") = "9"
    & skf18("6","1","10","10","6","1","1") = "9"
    & skf18("6","1","10","10","6","2","1") = "9"
    & skf18("6","1","10","10","6","3","1") = "9"
    & skf18("6","1","10","10","6","4","1") = "9"
    & skf18("6","1","10","10","6","5","1") = "9"
    & skf18("6","1","10","10","6","6","1") = "9"
    & skf18("6","1","10","10","6","7","1") = "9"
    & skf18("6","1","10","10","6","8","1") = "9"
    & skf18("6","1","10","10","6","9","1") = "9"
    & skf18("6","1","10","10","6","10","1") = "9"
    & skf18("6","1","10","10","7","1","1") = "9"
    & skf18("6","1","10","10","7","2","1") = "9"
    & skf18("6","1","10","10","7","3","1") = "9"
    & skf18("6","1","10","10","7","4","1") = "9"
    & skf18("6","1","10","10","7","5","1") = "9"
    & skf18("6","1","10","10","7","6","1") = "9"
    & skf18("6","1","10","10","7","7","1") = "9"
    & skf18("6","1","10","10","7","8","1") = "9"
    & skf18("6","1","10","10","7","9","1") = "9"
    & skf18("6","1","10","10","7","10","1") = "9"
    & skf18("6","1","10","10","8","1","1") = "9"
    & skf18("6","1","10","10","8","2","1") = "9"
    & skf18("6","1","10","10","8","3","1") = "9"
    & skf18("6","1","10","10","8","4","1") = "9"
    & skf18("6","1","10","10","8","5","1") = "9"
    & skf18("6","1","10","10","8","6","1") = "9"
    & skf18("6","1","10","10","8","7","1") = "9"
    & skf18("6","1","10","10","8","8","1") = "9"
    & skf18("6","1","10","10","8","9","1") = "9"
    & skf18("6","1","10","10","8","10","1") = "9"
    & skf18("6","1","10","10","9","1","1") = "9"
    & skf18("6","1","10","10","9","2","1") = "9"
    & skf18("6","1","10","10","9","3","1") = "9"
    & skf18("6","1","10","10","9","4","1") = "9"
    & skf18("6","1","10","10","9","5","1") = "9"
    & skf18("6","1","10","10","9","6","1") = "9"
    & skf18("6","1","10","10","9","7","1") = "9"
    & skf18("6","1","10","10","9","8","1") = "9"
    & skf18("6","1","10","10","9","9","1") = "9"
    & skf18("6","1","10","10","9","10","1") = "9"
    & skf18("6","1","10","10","10","1","1") = "9"
    & skf18("6","1","10","10","10","2","1") = "9"
    & skf18("6","1","10","10","10","3","1") = "9"
    & skf18("6","1","10","10","10","4","1") = "9"
    & skf18("6","1","10","10","10","5","1") = "9"
    & skf18("6","1","10","10","10","6","1") = "9"
    & skf18("6","1","10","10","10","7","1") = "9"
    & skf18("6","1","10","10","10","8","1") = "9"
    & skf18("6","1","10","10","10","9","1") = "9"
    & skf18("6","1","10","10","10","10","1") = "9"
    & skf18("6","2","1","1","1","1","1") = "5"
    & skf18("6","2","1","1","1","2","1") = "5"
    & skf18("6","2","1","1","1","3","1") = "5"
    & skf18("6","2","1","1","1","4","1") = "5"
    & skf18("6","2","1","1","1","5","1") = "5"
    & skf18("6","2","1","1","1","6","1") = "5"
    & skf18("6","2","1","1","1","7","1") = "6"
    & skf18("6","2","1","1","1","8","1") = "7"
    & skf18("6","2","1","1","1","9","1") = "8"
    & skf18("6","2","1","1","1","10","1") = "9"
    & skf18("6","2","1","1","2","1","1") = "5"
    & skf18("6","2","1","1","2","2","1") = "5"
    & skf18("6","2","1","1","2","3","1") = "5"
    & skf18("6","2","1","1","2","4","1") = "5"
    & skf18("6","2","1","1","2","5","1") = "5"
    & skf18("6","2","1","1","2","6","1") = "5"
    & skf18("6","2","1","1","2","7","1") = "6"
    & skf18("6","2","1","1","2","8","1") = "7"
    & skf18("6","2","1","1","2","9","1") = "8"
    & skf18("6","2","1","1","2","10","1") = "9"
    & skf18("6","2","1","1","3","1","1") = "5"
    & skf18("6","2","1","1","3","2","1") = "5"
    & skf18("6","2","1","1","3","3","1") = "5"
    & skf18("6","2","1","1","3","4","1") = "5"
    & skf18("6","2","1","1","3","5","1") = "5"
    & skf18("6","2","1","1","3","6","1") = "5"
    & skf18("6","2","1","1","3","7","1") = "6"
    & skf18("6","2","1","1","3","8","1") = "7"
    & skf18("6","2","1","1","3","9","1") = "8"
    & skf18("6","2","1","1","3","10","1") = "9"
    & skf18("6","2","1","1","4","1","1") = "5"
    & skf18("6","2","1","1","4","2","1") = "5"
    & skf18("6","2","1","1","4","3","1") = "5"
    & skf18("6","2","1","1","4","4","1") = "5"
    & skf18("6","2","1","1","4","5","1") = "5"
    & skf18("6","2","1","1","4","6","1") = "5"
    & skf18("6","2","1","1","4","7","1") = "6"
    & skf18("6","2","1","1","4","8","1") = "7"
    & skf18("6","2","1","1","4","9","1") = "8"
    & skf18("6","2","1","1","4","10","1") = "9"
    & skf18("6","2","1","1","5","1","1") = "5"
    & skf18("6","2","1","1","5","2","1") = "5"
    & skf18("6","2","1","1","5","3","1") = "5"
    & skf18("6","2","1","1","5","4","1") = "5"
    & skf18("6","2","1","1","5","5","1") = "5"
    & skf18("6","2","1","1","5","6","1") = "5"
    & skf18("6","2","1","1","5","7","1") = "6"
    & skf18("6","2","1","1","5","8","1") = "7"
    & skf18("6","2","1","1","5","9","1") = "8"
    & skf18("6","2","1","1","5","10","1") = "9"
    & skf18("6","2","1","1","6","1","1") = "5"
    & skf18("6","2","1","1","6","2","1") = "5"
    & skf18("6","2","1","1","6","3","1") = "5"
    & skf18("6","2","1","1","6","4","1") = "5"
    & skf18("6","2","1","1","6","5","1") = "5"
    & skf18("6","2","1","1","6","6","1") = "5"
    & skf18("6","2","1","1","6","7","1") = "6"
    & skf18("6","2","1","1","6","8","1") = "7"
    & skf18("6","2","1","1","6","9","1") = "8"
    & skf18("6","2","1","1","6","10","1") = "9"
    & skf18("6","2","1","1","7","1","1") = "6"
    & skf18("6","2","1","1","7","2","1") = "6"
    & skf18("6","2","1","1","7","3","1") = "6"
    & skf18("6","2","1","1","7","4","1") = "6"
    & skf18("6","2","1","1","7","5","1") = "6"
    & skf18("6","2","1","1","7","6","1") = "6"
    & skf18("6","2","1","1","7","7","1") = "6"
    & skf18("6","2","1","1","7","8","1") = "7"
    & skf18("6","2","1","1","7","9","1") = "8"
    & skf18("6","2","1","1","7","10","1") = "9"
    & skf18("6","2","1","1","8","1","1") = "7"
    & skf18("6","2","1","1","8","2","1") = "7"
    & skf18("6","2","1","1","8","3","1") = "7"
    & skf18("6","2","1","1","8","4","1") = "7"
    & skf18("6","2","1","1","8","5","1") = "7"
    & skf18("6","2","1","1","8","6","1") = "7"
    & skf18("6","2","1","1","8","7","1") = "7"
    & skf18("6","2","1","1","8","8","1") = "7"
    & skf18("6","2","1","1","8","9","1") = "8"
    & skf18("6","2","1","1","8","10","1") = "9"
    & skf18("6","2","1","1","9","1","1") = "8"
    & skf18("6","2","1","1","9","2","1") = "8"
    & skf18("6","2","1","1","9","3","1") = "8"
    & skf18("6","2","1","1","9","4","1") = "8"
    & skf18("6","2","1","1","9","5","1") = "8"
    & skf18("6","2","1","1","9","6","1") = "8"
    & skf18("6","2","1","1","9","7","1") = "8"
    & skf18("6","2","1","1","9","8","1") = "8"
    & skf18("6","2","1","1","9","9","1") = "8"
    & skf18("6","2","1","1","9","10","1") = "9"
    & skf18("6","2","1","1","10","1","1") = "9"
    & skf18("6","2","1","1","10","2","1") = "9"
    & skf18("6","2","1","1","10","3","1") = "9"
    & skf18("6","2","1","1","10","4","1") = "9"
    & skf18("6","2","1","1","10","5","1") = "9"
    & skf18("6","2","1","1","10","6","1") = "9"
    & skf18("6","2","1","1","10","7","1") = "9"
    & skf18("6","2","1","1","10","8","1") = "9"
    & skf18("6","2","1","1","10","9","1") = "9"
    & skf18("6","2","1","1","10","10","1") = "9"
    & skf18("6","2","1","2","1","1","1") = "5"
    & skf18("6","2","1","2","1","2","1") = "5"
    & skf18("6","2","1","2","1","3","1") = "5"
    & skf18("6","2","1","2","1","4","1") = "5"
    & skf18("6","2","1","2","1","5","1") = "5"
    & skf18("6","2","1","2","1","6","1") = "5"
    & skf18("6","2","1","2","1","7","1") = "6"
    & skf18("6","2","1","2","1","8","1") = "7"
    & skf18("6","2","1","2","1","9","1") = "8"
    & skf18("6","2","1","2","1","10","1") = "9"
    & skf18("6","2","1","2","2","1","1") = "5"
    & skf18("6","2","1","2","2","2","1") = "5"
    & skf18("6","2","1","2","2","3","1") = "5"
    & skf18("6","2","1","2","2","4","1") = "5"
    & skf18("6","2","1","2","2","5","1") = "5"
    & skf18("6","2","1","2","2","6","1") = "5"
    & skf18("6","2","1","2","2","7","1") = "6"
    & skf18("6","2","1","2","2","8","1") = "7"
    & skf18("6","2","1","2","2","9","1") = "8"
    & skf18("6","2","1","2","2","10","1") = "9"
    & skf18("6","2","1","2","3","1","1") = "5"
    & skf18("6","2","1","2","3","2","1") = "5"
    & skf18("6","2","1","2","3","3","1") = "5"
    & skf18("6","2","1","2","3","4","1") = "5"
    & skf18("6","2","1","2","3","5","1") = "5"
    & skf18("6","2","1","2","3","6","1") = "5"
    & skf18("6","2","1","2","3","7","1") = "6"
    & skf18("6","2","1","2","3","8","1") = "7"
    & skf18("6","2","1","2","3","9","1") = "8"
    & skf18("6","2","1","2","3","10","1") = "9"
    & skf18("6","2","1","2","4","1","1") = "5"
    & skf18("6","2","1","2","4","2","1") = "5"
    & skf18("6","2","1","2","4","3","1") = "5"
    & skf18("6","2","1","2","4","4","1") = "5"
    & skf18("6","2","1","2","4","5","1") = "5"
    & skf18("6","2","1","2","4","6","1") = "5"
    & skf18("6","2","1","2","4","7","1") = "6"
    & skf18("6","2","1","2","4","8","1") = "7"
    & skf18("6","2","1","2","4","9","1") = "8"
    & skf18("6","2","1","2","4","10","1") = "9"
    & skf18("6","2","1","2","5","1","1") = "5"
    & skf18("6","2","1","2","5","2","1") = "5"
    & skf18("6","2","1","2","5","3","1") = "5"
    & skf18("6","2","1","2","5","4","1") = "5"
    & skf18("6","2","1","2","5","5","1") = "5"
    & skf18("6","2","1","2","5","6","1") = "5"
    & skf18("6","2","1","2","5","7","1") = "6"
    & skf18("6","2","1","2","5","8","1") = "7"
    & skf18("6","2","1","2","5","9","1") = "8"
    & skf18("6","2","1","2","5","10","1") = "9"
    & skf18("6","2","1","2","6","1","1") = "5"
    & skf18("6","2","1","2","6","2","1") = "5"
    & skf18("6","2","1","2","6","3","1") = "5"
    & skf18("6","2","1","2","6","4","1") = "5"
    & skf18("6","2","1","2","6","5","1") = "5"
    & skf18("6","2","1","2","6","6","1") = "5"
    & skf18("6","2","1","2","6","7","1") = "6"
    & skf18("6","2","1","2","6","8","1") = "7"
    & skf18("6","2","1","2","6","9","1") = "8"
    & skf18("6","2","1","2","6","10","1") = "9"
    & skf18("6","2","1","2","7","1","1") = "6"
    & skf18("6","2","1","2","7","2","1") = "6"
    & skf18("6","2","1","2","7","3","1") = "6"
    & skf18("6","2","1","2","7","4","1") = "6"
    & skf18("6","2","1","2","7","5","1") = "6"
    & skf18("6","2","1","2","7","6","1") = "6"
    & skf18("6","2","1","2","7","7","1") = "6"
    & skf18("6","2","1","2","7","8","1") = "7"
    & skf18("6","2","1","2","7","9","1") = "8"
    & skf18("6","2","1","2","7","10","1") = "9"
    & skf18("6","2","1","2","8","1","1") = "7"
    & skf18("6","2","1","2","8","2","1") = "7"
    & skf18("6","2","1","2","8","3","1") = "7"
    & skf18("6","2","1","2","8","4","1") = "7"
    & skf18("6","2","1","2","8","5","1") = "7"
    & skf18("6","2","1","2","8","6","1") = "7"
    & skf18("6","2","1","2","8","7","1") = "7"
    & skf18("6","2","1","2","8","8","1") = "7"
    & skf18("6","2","1","2","8","9","1") = "8"
    & skf18("6","2","1","2","8","10","1") = "9"
    & skf18("6","2","1","2","9","1","1") = "8"
    & skf18("6","2","1","2","9","2","1") = "8"
    & skf18("6","2","1","2","9","3","1") = "8"
    & skf18("6","2","1","2","9","4","1") = "8"
    & skf18("6","2","1","2","9","5","1") = "8"
    & skf18("6","2","1","2","9","6","1") = "8"
    & skf18("6","2","1","2","9","7","1") = "8"
    & skf18("6","2","1","2","9","8","1") = "8"
    & skf18("6","2","1","2","9","9","1") = "8"
    & skf18("6","2","1","2","9","10","1") = "9"
    & skf18("6","2","1","2","10","1","1") = "9"
    & skf18("6","2","1","2","10","2","1") = "9"
    & skf18("6","2","1","2","10","3","1") = "9"
    & skf18("6","2","1","2","10","4","1") = "9"
    & skf18("6","2","1","2","10","5","1") = "9"
    & skf18("6","2","1","2","10","6","1") = "9"
    & skf18("6","2","1","2","10","7","1") = "9"
    & skf18("6","2","1","2","10","8","1") = "9"
    & skf18("6","2","1","2","10","9","1") = "9"
    & skf18("6","2","1","2","10","10","1") = "9"
    & skf18("6","2","1","3","1","1","1") = "5"
    & skf18("6","2","1","3","1","2","1") = "5"
    & skf18("6","2","1","3","1","3","1") = "5"
    & skf18("6","2","1","3","1","4","1") = "5"
    & skf18("6","2","1","3","1","5","1") = "5"
    & skf18("6","2","1","3","1","6","1") = "5"
    & skf18("6","2","1","3","1","7","1") = "6"
    & skf18("6","2","1","3","1","8","1") = "7"
    & skf18("6","2","1","3","1","9","1") = "8"
    & skf18("6","2","1","3","1","10","1") = "9"
    & skf18("6","2","1","3","2","1","1") = "5"
    & skf18("6","2","1","3","2","2","1") = "5"
    & skf18("6","2","1","3","2","3","1") = "5"
    & skf18("6","2","1","3","2","4","1") = "5"
    & skf18("6","2","1","3","2","5","1") = "5"
    & skf18("6","2","1","3","2","6","1") = "5"
    & skf18("6","2","1","3","2","7","1") = "6"
    & skf18("6","2","1","3","2","8","1") = "7"
    & skf18("6","2","1","3","2","9","1") = "8"
    & skf18("6","2","1","3","2","10","1") = "9"
    & skf18("6","2","1","3","3","1","1") = "5"
    & skf18("6","2","1","3","3","2","1") = "5"
    & skf18("6","2","1","3","3","3","1") = "5"
    & skf18("6","2","1","3","3","4","1") = "5"
    & skf18("6","2","1","3","3","5","1") = "5"
    & skf18("6","2","1","3","3","6","1") = "5"
    & skf18("6","2","1","3","3","7","1") = "6"
    & skf18("6","2","1","3","3","8","1") = "7"
    & skf18("6","2","1","3","3","9","1") = "8"
    & skf18("6","2","1","3","3","10","1") = "9"
    & skf18("6","2","1","3","4","1","1") = "5"
    & skf18("6","2","1","3","4","2","1") = "5"
    & skf18("6","2","1","3","4","3","1") = "5"
    & skf18("6","2","1","3","4","4","1") = "5"
    & skf18("6","2","1","3","4","5","1") = "5"
    & skf18("6","2","1","3","4","6","1") = "5"
    & skf18("6","2","1","3","4","7","1") = "6"
    & skf18("6","2","1","3","4","8","1") = "7"
    & skf18("6","2","1","3","4","9","1") = "8"
    & skf18("6","2","1","3","4","10","1") = "9"
    & skf18("6","2","1","3","5","1","1") = "5"
    & skf18("6","2","1","3","5","2","1") = "5"
    & skf18("6","2","1","3","5","3","1") = "5"
    & skf18("6","2","1","3","5","4","1") = "5"
    & skf18("6","2","1","3","5","5","1") = "5"
    & skf18("6","2","1","3","5","6","1") = "5"
    & skf18("6","2","1","3","5","7","1") = "6"
    & skf18("6","2","1","3","5","8","1") = "7"
    & skf18("6","2","1","3","5","9","1") = "8"
    & skf18("6","2","1","3","5","10","1") = "9"
    & skf18("6","2","1","3","6","1","1") = "5"
    & skf18("6","2","1","3","6","2","1") = "5"
    & skf18("6","2","1","3","6","3","1") = "5"
    & skf18("6","2","1","3","6","4","1") = "5"
    & skf18("6","2","1","3","6","5","1") = "5"
    & skf18("6","2","1","3","6","6","1") = "5"
    & skf18("6","2","1","3","6","7","1") = "6"
    & skf18("6","2","1","3","6","8","1") = "7"
    & skf18("6","2","1","3","6","9","1") = "8"
    & skf18("6","2","1","3","6","10","1") = "9"
    & skf18("6","2","1","3","7","1","1") = "6"
    & skf18("6","2","1","3","7","2","1") = "6"
    & skf18("6","2","1","3","7","3","1") = "6"
    & skf18("6","2","1","3","7","4","1") = "6"
    & skf18("6","2","1","3","7","5","1") = "6"
    & skf18("6","2","1","3","7","6","1") = "6"
    & skf18("6","2","1","3","7","7","1") = "6"
    & skf18("6","2","1","3","7","8","1") = "7"
    & skf18("6","2","1","3","7","9","1") = "8"
    & skf18("6","2","1","3","7","10","1") = "9"
    & skf18("6","2","1","3","8","1","1") = "7"
    & skf18("6","2","1","3","8","2","1") = "7"
    & skf18("6","2","1","3","8","3","1") = "7"
    & skf18("6","2","1","3","8","4","1") = "7"
    & skf18("6","2","1","3","8","5","1") = "7"
    & skf18("6","2","1","3","8","6","1") = "7"
    & skf18("6","2","1","3","8","7","1") = "7"
    & skf18("6","2","1","3","8","8","1") = "7"
    & skf18("6","2","1","3","8","9","1") = "8"
    & skf18("6","2","1","3","8","10","1") = "9"
    & skf18("6","2","1","3","9","1","1") = "8"
    & skf18("6","2","1","3","9","2","1") = "8"
    & skf18("6","2","1","3","9","3","1") = "8"
    & skf18("6","2","1","3","9","4","1") = "8"
    & skf18("6","2","1","3","9","5","1") = "8"
    & skf18("6","2","1","3","9","6","1") = "8"
    & skf18("6","2","1","3","9","7","1") = "8"
    & skf18("6","2","1","3","9","8","1") = "8"
    & skf18("6","2","1","3","9","9","1") = "8"
    & skf18("6","2","1","3","9","10","1") = "9"
    & skf18("6","2","1","3","10","1","1") = "9"
    & skf18("6","2","1","3","10","2","1") = "9"
    & skf18("6","2","1","3","10","3","1") = "9"
    & skf18("6","2","1","3","10","4","1") = "9"
    & skf18("6","2","1","3","10","5","1") = "9"
    & skf18("6","2","1","3","10","6","1") = "9"
    & skf18("6","2","1","3","10","7","1") = "9"
    & skf18("6","2","1","3","10","8","1") = "9"
    & skf18("6","2","1","3","10","9","1") = "9"
    & skf18("6","2","1","3","10","10","1") = "9"
    & skf18("6","2","1","4","1","1","1") = "5"
    & skf18("6","2","1","4","1","2","1") = "5"
    & skf18("6","2","1","4","1","3","1") = "5"
    & skf18("6","2","1","4","1","4","1") = "5"
    & skf18("6","2","1","4","1","5","1") = "5"
    & skf18("6","2","1","4","1","6","1") = "5"
    & skf18("6","2","1","4","1","7","1") = "6"
    & skf18("6","2","1","4","1","8","1") = "7"
    & skf18("6","2","1","4","1","9","1") = "8"
    & skf18("6","2","1","4","1","10","1") = "9"
    & skf18("6","2","1","4","2","1","1") = "5"
    & skf18("6","2","1","4","2","2","1") = "5"
    & skf18("6","2","1","4","2","3","1") = "5"
    & skf18("6","2","1","4","2","4","1") = "5"
    & skf18("6","2","1","4","2","5","1") = "5"
    & skf18("6","2","1","4","2","6","1") = "5"
    & skf18("6","2","1","4","2","7","1") = "6"
    & skf18("6","2","1","4","2","8","1") = "7"
    & skf18("6","2","1","4","2","9","1") = "8"
    & skf18("6","2","1","4","2","10","1") = "9"
    & skf18("6","2","1","4","3","1","1") = "5"
    & skf18("6","2","1","4","3","2","1") = "5"
    & skf18("6","2","1","4","3","3","1") = "5"
    & skf18("6","2","1","4","3","4","1") = "5"
    & skf18("6","2","1","4","3","5","1") = "5"
    & skf18("6","2","1","4","3","6","1") = "5"
    & skf18("6","2","1","4","3","7","1") = "6"
    & skf18("6","2","1","4","3","8","1") = "7"
    & skf18("6","2","1","4","3","9","1") = "8"
    & skf18("6","2","1","4","3","10","1") = "9"
    & skf18("6","2","1","4","4","1","1") = "5"
    & skf18("6","2","1","4","4","2","1") = "5"
    & skf18("6","2","1","4","4","3","1") = "5"
    & skf18("6","2","1","4","4","4","1") = "5"
    & skf18("6","2","1","4","4","5","1") = "5"
    & skf18("6","2","1","4","4","6","1") = "5"
    & skf18("6","2","1","4","4","7","1") = "6"
    & skf18("6","2","1","4","4","8","1") = "7"
    & skf18("6","2","1","4","4","9","1") = "8"
    & skf18("6","2","1","4","4","10","1") = "9"
    & skf18("6","2","1","4","5","1","1") = "5"
    & skf18("6","2","1","4","5","2","1") = "5"
    & skf18("6","2","1","4","5","3","1") = "5"
    & skf18("6","2","1","4","5","4","1") = "5"
    & skf18("6","2","1","4","5","5","1") = "5"
    & skf18("6","2","1","4","5","6","1") = "5"
    & skf18("6","2","1","4","5","7","1") = "6"
    & skf18("6","2","1","4","5","8","1") = "7"
    & skf18("6","2","1","4","5","9","1") = "8"
    & skf18("6","2","1","4","5","10","1") = "9"
    & skf18("6","2","1","4","6","1","1") = "5"
    & skf18("6","2","1","4","6","2","1") = "5"
    & skf18("6","2","1","4","6","3","1") = "5"
    & skf18("6","2","1","4","6","4","1") = "5"
    & skf18("6","2","1","4","6","5","1") = "5"
    & skf18("6","2","1","4","6","6","1") = "5"
    & skf18("6","2","1","4","6","7","1") = "6"
    & skf18("6","2","1","4","6","8","1") = "7"
    & skf18("6","2","1","4","6","9","1") = "8"
    & skf18("6","2","1","4","6","10","1") = "9"
    & skf18("6","2","1","4","7","1","1") = "6"
    & skf18("6","2","1","4","7","2","1") = "6"
    & skf18("6","2","1","4","7","3","1") = "6"
    & skf18("6","2","1","4","7","4","1") = "6"
    & skf18("6","2","1","4","7","5","1") = "6"
    & skf18("6","2","1","4","7","6","1") = "6"
    & skf18("6","2","1","4","7","7","1") = "6"
    & skf18("6","2","1","4","7","8","1") = "7"
    & skf18("6","2","1","4","7","9","1") = "8"
    & skf18("6","2","1","4","7","10","1") = "9"
    & skf18("6","2","1","4","8","1","1") = "7"
    & skf18("6","2","1","4","8","2","1") = "7"
    & skf18("6","2","1","4","8","3","1") = "7"
    & skf18("6","2","1","4","8","4","1") = "7"
    & skf18("6","2","1","4","8","5","1") = "7"
    & skf18("6","2","1","4","8","6","1") = "7"
    & skf18("6","2","1","4","8","7","1") = "7"
    & skf18("6","2","1","4","8","8","1") = "7"
    & skf18("6","2","1","4","8","9","1") = "8"
    & skf18("6","2","1","4","8","10","1") = "9"
    & skf18("6","2","1","4","9","1","1") = "8"
    & skf18("6","2","1","4","9","2","1") = "8"
    & skf18("6","2","1","4","9","3","1") = "8"
    & skf18("6","2","1","4","9","4","1") = "8"
    & skf18("6","2","1","4","9","5","1") = "8"
    & skf18("6","2","1","4","9","6","1") = "8"
    & skf18("6","2","1","4","9","7","1") = "8"
    & skf18("6","2","1","4","9","8","1") = "8"
    & skf18("6","2","1","4","9","9","1") = "8"
    & skf18("6","2","1","4","9","10","1") = "9"
    & skf18("6","2","1","4","10","1","1") = "9"
    & skf18("6","2","1","4","10","2","1") = "9"
    & skf18("6","2","1","4","10","3","1") = "9"
    & skf18("6","2","1","4","10","4","1") = "9"
    & skf18("6","2","1","4","10","5","1") = "9"
    & skf18("6","2","1","4","10","6","1") = "9"
    & skf18("6","2","1","4","10","7","1") = "9"
    & skf18("6","2","1","4","10","8","1") = "9"
    & skf18("6","2","1","4","10","9","1") = "9"
    & skf18("6","2","1","4","10","10","1") = "9"
    & skf18("6","2","1","5","1","1","1") = "5"
    & skf18("6","2","1","5","1","2","1") = "5"
    & skf18("6","2","1","5","1","3","1") = "5"
    & skf18("6","2","1","5","1","4","1") = "5"
    & skf18("6","2","1","5","1","5","1") = "5"
    & skf18("6","2","1","5","1","6","1") = "5"
    & skf18("6","2","1","5","1","7","1") = "6"
    & skf18("6","2","1","5","1","8","1") = "7"
    & skf18("6","2","1","5","1","9","1") = "8"
    & skf18("6","2","1","5","1","10","1") = "9"
    & skf18("6","2","1","5","2","1","1") = "5"
    & skf18("6","2","1","5","2","2","1") = "5"
    & skf18("6","2","1","5","2","3","1") = "5"
    & skf18("6","2","1","5","2","4","1") = "5"
    & skf18("6","2","1","5","2","5","1") = "5"
    & skf18("6","2","1","5","2","6","1") = "5"
    & skf18("6","2","1","5","2","7","1") = "6"
    & skf18("6","2","1","5","2","8","1") = "7"
    & skf18("6","2","1","5","2","9","1") = "8"
    & skf18("6","2","1","5","2","10","1") = "9"
    & skf18("6","2","1","5","3","1","1") = "5"
    & skf18("6","2","1","5","3","2","1") = "5"
    & skf18("6","2","1","5","3","3","1") = "5"
    & skf18("6","2","1","5","3","4","1") = "5"
    & skf18("6","2","1","5","3","5","1") = "5"
    & skf18("6","2","1","5","3","6","1") = "5"
    & skf18("6","2","1","5","3","7","1") = "6"
    & skf18("6","2","1","5","3","8","1") = "7"
    & skf18("6","2","1","5","3","9","1") = "8"
    & skf18("6","2","1","5","3","10","1") = "9"
    & skf18("6","2","1","5","4","1","1") = "5"
    & skf18("6","2","1","5","4","2","1") = "5"
    & skf18("6","2","1","5","4","3","1") = "5"
    & skf18("6","2","1","5","4","4","1") = "5"
    & skf18("6","2","1","5","4","5","1") = "5"
    & skf18("6","2","1","5","4","6","1") = "5"
    & skf18("6","2","1","5","4","7","1") = "6"
    & skf18("6","2","1","5","4","8","1") = "7"
    & skf18("6","2","1","5","4","9","1") = "8"
    & skf18("6","2","1","5","4","10","1") = "9"
    & skf18("6","2","1","5","5","1","1") = "5"
    & skf18("6","2","1","5","5","2","1") = "5"
    & skf18("6","2","1","5","5","3","1") = "5"
    & skf18("6","2","1","5","5","4","1") = "5"
    & skf18("6","2","1","5","5","5","1") = "5"
    & skf18("6","2","1","5","5","6","1") = "5"
    & skf18("6","2","1","5","5","7","1") = "6"
    & skf18("6","2","1","5","5","8","1") = "7"
    & skf18("6","2","1","5","5","9","1") = "8"
    & skf18("6","2","1","5","5","10","1") = "9"
    & skf18("6","2","1","5","6","1","1") = "5"
    & skf18("6","2","1","5","6","2","1") = "5"
    & skf18("6","2","1","5","6","3","1") = "5"
    & skf18("6","2","1","5","6","4","1") = "5"
    & skf18("6","2","1","5","6","5","1") = "5"
    & skf18("6","2","1","5","6","6","1") = "5"
    & skf18("6","2","1","5","6","7","1") = "6"
    & skf18("6","2","1","5","6","8","1") = "7"
    & skf18("6","2","1","5","6","9","1") = "8"
    & skf18("6","2","1","5","6","10","1") = "9"
    & skf18("6","2","1","5","7","1","1") = "6"
    & skf18("6","2","1","5","7","2","1") = "6"
    & skf18("6","2","1","5","7","3","1") = "6"
    & skf18("6","2","1","5","7","4","1") = "6"
    & skf18("6","2","1","5","7","5","1") = "6"
    & skf18("6","2","1","5","7","6","1") = "6"
    & skf18("6","2","1","5","7","7","1") = "6"
    & skf18("6","2","1","5","7","8","1") = "7"
    & skf18("6","2","1","5","7","9","1") = "8"
    & skf18("6","2","1","5","7","10","1") = "9"
    & skf18("6","2","1","5","8","1","1") = "7"
    & skf18("6","2","1","5","8","2","1") = "7"
    & skf18("6","2","1","5","8","3","1") = "7"
    & skf18("6","2","1","5","8","4","1") = "7"
    & skf18("6","2","1","5","8","5","1") = "7"
    & skf18("6","2","1","5","8","6","1") = "7"
    & skf18("6","2","1","5","8","7","1") = "7"
    & skf18("6","2","1","5","8","8","1") = "7"
    & skf18("6","2","1","5","8","9","1") = "8"
    & skf18("6","2","1","5","8","10","1") = "9"
    & skf18("6","2","1","5","9","1","1") = "8"
    & skf18("6","2","1","5","9","2","1") = "8"
    & skf18("6","2","1","5","9","3","1") = "8"
    & skf18("6","2","1","5","9","4","1") = "8"
    & skf18("6","2","1","5","9","5","1") = "8"
    & skf18("6","2","1","5","9","6","1") = "8"
    & skf18("6","2","1","5","9","7","1") = "8"
    & skf18("6","2","1","5","9","8","1") = "8"
    & skf18("6","2","1","5","9","9","1") = "8"
    & skf18("6","2","1","5","9","10","1") = "9"
    & skf18("6","2","1","5","10","1","1") = "9"
    & skf18("6","2","1","5","10","2","1") = "9"
    & skf18("6","2","1","5","10","3","1") = "9"
    & skf18("6","2","1","5","10","4","1") = "9"
    & skf18("6","2","1","5","10","5","1") = "9"
    & skf18("6","2","1","5","10","6","1") = "9"
    & skf18("6","2","1","5","10","7","1") = "9"
    & skf18("6","2","1","5","10","8","1") = "9"
    & skf18("6","2","1","5","10","9","1") = "9"
    & skf18("6","2","1","5","10","10","1") = "9"
    & skf18("6","2","1","6","1","1","1") = "5"
    & skf18("6","2","1","6","1","2","1") = "5"
    & skf18("6","2","1","6","1","3","1") = "5"
    & skf18("6","2","1","6","1","4","1") = "5"
    & skf18("6","2","1","6","1","5","1") = "5"
    & skf18("6","2","1","6","1","6","1") = "5"
    & skf18("6","2","1","6","1","7","1") = "6"
    & skf18("6","2","1","6","1","8","1") = "7"
    & skf18("6","2","1","6","1","9","1") = "8"
    & skf18("6","2","1","6","1","10","1") = "9"
    & skf18("6","2","1","6","2","1","1") = "5"
    & skf18("6","2","1","6","2","2","1") = "5"
    & skf18("6","2","1","6","2","3","1") = "5"
    & skf18("6","2","1","6","2","4","1") = "5"
    & skf18("6","2","1","6","2","5","1") = "5"
    & skf18("6","2","1","6","2","6","1") = "5"
    & skf18("6","2","1","6","2","7","1") = "6"
    & skf18("6","2","1","6","2","8","1") = "7"
    & skf18("6","2","1","6","2","9","1") = "8"
    & skf18("6","2","1","6","2","10","1") = "9"
    & skf18("6","2","1","6","3","1","1") = "5"
    & skf18("6","2","1","6","3","2","1") = "5"
    & skf18("6","2","1","6","3","3","1") = "5"
    & skf18("6","2","1","6","3","4","1") = "5"
    & skf18("6","2","1","6","3","5","1") = "5"
    & skf18("6","2","1","6","3","6","1") = "5"
    & skf18("6","2","1","6","3","7","1") = "6"
    & skf18("6","2","1","6","3","8","1") = "7"
    & skf18("6","2","1","6","3","9","1") = "8"
    & skf18("6","2","1","6","3","10","1") = "9"
    & skf18("6","2","1","6","4","1","1") = "5"
    & skf18("6","2","1","6","4","2","1") = "5"
    & skf18("6","2","1","6","4","3","1") = "5"
    & skf18("6","2","1","6","4","4","1") = "5"
    & skf18("6","2","1","6","4","5","1") = "5"
    & skf18("6","2","1","6","4","6","1") = "5"
    & skf18("6","2","1","6","4","7","1") = "6"
    & skf18("6","2","1","6","4","8","1") = "7"
    & skf18("6","2","1","6","4","9","1") = "8"
    & skf18("6","2","1","6","4","10","1") = "9"
    & skf18("6","2","1","6","5","1","1") = "5"
    & skf18("6","2","1","6","5","2","1") = "5"
    & skf18("6","2","1","6","5","3","1") = "5"
    & skf18("6","2","1","6","5","4","1") = "5"
    & skf18("6","2","1","6","5","5","1") = "5"
    & skf18("6","2","1","6","5","6","1") = "5"
    & skf18("6","2","1","6","5","7","1") = "6"
    & skf18("6","2","1","6","5","8","1") = "7"
    & skf18("6","2","1","6","5","9","1") = "8"
    & skf18("6","2","1","6","5","10","1") = "9"
    & skf18("6","2","1","6","6","1","1") = "5"
    & skf18("6","2","1","6","6","2","1") = "5"
    & skf18("6","2","1","6","6","3","1") = "5"
    & skf18("6","2","1","6","6","4","1") = "5"
    & skf18("6","2","1","6","6","5","1") = "5"
    & skf18("6","2","1","6","6","6","1") = "5"
    & skf18("6","2","1","6","6","7","1") = "6"
    & skf18("6","2","1","6","6","8","1") = "7"
    & skf18("6","2","1","6","6","9","1") = "8"
    & skf18("6","2","1","6","6","10","1") = "9"
    & skf18("6","2","1","6","7","1","1") = "6"
    & skf18("6","2","1","6","7","2","1") = "6"
    & skf18("6","2","1","6","7","3","1") = "6"
    & skf18("6","2","1","6","7","4","1") = "6"
    & skf18("6","2","1","6","7","5","1") = "6"
    & skf18("6","2","1","6","7","6","1") = "6"
    & skf18("6","2","1","6","7","7","1") = "6"
    & skf18("6","2","1","6","7","8","1") = "7"
    & skf18("6","2","1","6","7","9","1") = "8"
    & skf18("6","2","1","6","7","10","1") = "9"
    & skf18("6","2","1","6","8","1","1") = "7"
    & skf18("6","2","1","6","8","2","1") = "7"
    & skf18("6","2","1","6","8","3","1") = "7"
    & skf18("6","2","1","6","8","4","1") = "7"
    & skf18("6","2","1","6","8","5","1") = "7"
    & skf18("6","2","1","6","8","6","1") = "7"
    & skf18("6","2","1","6","8","7","1") = "7"
    & skf18("6","2","1","6","8","8","1") = "7"
    & skf18("6","2","1","6","8","9","1") = "8"
    & skf18("6","2","1","6","8","10","1") = "9"
    & skf18("6","2","1","6","9","1","1") = "8"
    & skf18("6","2","1","6","9","2","1") = "8"
    & skf18("6","2","1","6","9","3","1") = "8"
    & skf18("6","2","1","6","9","4","1") = "8"
    & skf18("6","2","1","6","9","5","1") = "8"
    & skf18("6","2","1","6","9","6","1") = "8"
    & skf18("6","2","1","6","9","7","1") = "8"
    & skf18("6","2","1","6","9","8","1") = "8"
    & skf18("6","2","1","6","9","9","1") = "8"
    & skf18("6","2","1","6","9","10","1") = "9"
    & skf18("6","2","1","6","10","1","1") = "9"
    & skf18("6","2","1","6","10","2","1") = "9"
    & skf18("6","2","1","6","10","3","1") = "9"
    & skf18("6","2","1","6","10","4","1") = "9"
    & skf18("6","2","1","6","10","5","1") = "9"
    & skf18("6","2","1","6","10","6","1") = "9"
    & skf18("6","2","1","6","10","7","1") = "9"
    & skf18("6","2","1","6","10","8","1") = "9"
    & skf18("6","2","1","6","10","9","1") = "9"
    & skf18("6","2","1","6","10","10","1") = "9"
    & skf18("6","2","1","7","1","1","1") = "6"
    & skf18("6","2","1","7","1","2","1") = "6"
    & skf18("6","2","1","7","1","3","1") = "6"
    & skf18("6","2","1","7","1","4","1") = "6"
    & skf18("6","2","1","7","1","5","1") = "6"
    & skf18("6","2","1","7","1","6","1") = "6"
    & skf18("6","2","1","7","1","7","1") = "6"
    & skf18("6","2","1","7","1","8","1") = "7"
    & skf18("6","2","1","7","1","9","1") = "8"
    & skf18("6","2","1","7","1","10","1") = "9"
    & skf18("6","2","1","7","2","1","1") = "6"
    & skf18("6","2","1","7","2","2","1") = "6"
    & skf18("6","2","1","7","2","3","1") = "6"
    & skf18("6","2","1","7","2","4","1") = "6"
    & skf18("6","2","1","7","2","5","1") = "6"
    & skf18("6","2","1","7","2","6","1") = "6"
    & skf18("6","2","1","7","2","7","1") = "6"
    & skf18("6","2","1","7","2","8","1") = "7"
    & skf18("6","2","1","7","2","9","1") = "8"
    & skf18("6","2","1","7","2","10","1") = "9"
    & skf18("6","2","1","7","3","1","1") = "6"
    & skf18("6","2","1","7","3","2","1") = "6"
    & skf18("6","2","1","7","3","3","1") = "6"
    & skf18("6","2","1","7","3","4","1") = "6"
    & skf18("6","2","1","7","3","5","1") = "6"
    & skf18("6","2","1","7","3","6","1") = "6"
    & skf18("6","2","1","7","3","7","1") = "6"
    & skf18("6","2","1","7","3","8","1") = "7"
    & skf18("6","2","1","7","3","9","1") = "8"
    & skf18("6","2","1","7","3","10","1") = "9"
    & skf18("6","2","1","7","4","1","1") = "6"
    & skf18("6","2","1","7","4","2","1") = "6"
    & skf18("6","2","1","7","4","3","1") = "6"
    & skf18("6","2","1","7","4","4","1") = "6"
    & skf18("6","2","1","7","4","5","1") = "6"
    & skf18("6","2","1","7","4","6","1") = "6"
    & skf18("6","2","1","7","4","7","1") = "6"
    & skf18("6","2","1","7","4","8","1") = "7"
    & skf18("6","2","1","7","4","9","1") = "8"
    & skf18("6","2","1","7","4","10","1") = "9"
    & skf18("6","2","1","7","5","1","1") = "6"
    & skf18("6","2","1","7","5","2","1") = "6"
    & skf18("6","2","1","7","5","3","1") = "6"
    & skf18("6","2","1","7","5","4","1") = "6"
    & skf18("6","2","1","7","5","5","1") = "6"
    & skf18("6","2","1","7","5","6","1") = "6"
    & skf18("6","2","1","7","5","7","1") = "6"
    & skf18("6","2","1","7","5","8","1") = "7"
    & skf18("6","2","1","7","5","9","1") = "8"
    & skf18("6","2","1","7","5","10","1") = "9"
    & skf18("6","2","1","7","6","1","1") = "6"
    & skf18("6","2","1","7","6","2","1") = "6"
    & skf18("6","2","1","7","6","3","1") = "6"
    & skf18("6","2","1","7","6","4","1") = "6"
    & skf18("6","2","1","7","6","5","1") = "6"
    & skf18("6","2","1","7","6","6","1") = "6"
    & skf18("6","2","1","7","6","7","1") = "6"
    & skf18("6","2","1","7","6","8","1") = "7"
    & skf18("6","2","1","7","6","9","1") = "8"
    & skf18("6","2","1","7","6","10","1") = "9"
    & skf18("6","2","1","7","7","1","1") = "6"
    & skf18("6","2","1","7","7","2","1") = "6"
    & skf18("6","2","1","7","7","3","1") = "6"
    & skf18("6","2","1","7","7","4","1") = "6"
    & skf18("6","2","1","7","7","5","1") = "6"
    & skf18("6","2","1","7","7","6","1") = "6"
    & skf18("6","2","1","7","7","7","1") = "6"
    & skf18("6","2","1","7","7","8","1") = "7"
    & skf18("6","2","1","7","7","9","1") = "8"
    & skf18("6","2","1","7","7","10","1") = "9"
    & skf18("6","2","1","7","8","1","1") = "7"
    & skf18("6","2","1","7","8","2","1") = "7"
    & skf18("6","2","1","7","8","3","1") = "7"
    & skf18("6","2","1","7","8","4","1") = "7"
    & skf18("6","2","1","7","8","5","1") = "7"
    & skf18("6","2","1","7","8","6","1") = "7"
    & skf18("6","2","1","7","8","7","1") = "7"
    & skf18("6","2","1","7","8","8","1") = "7"
    & skf18("6","2","1","7","8","9","1") = "8"
    & skf18("6","2","1","7","8","10","1") = "9"
    & skf18("6","2","1","7","9","1","1") = "8"
    & skf18("6","2","1","7","9","2","1") = "8"
    & skf18("6","2","1","7","9","3","1") = "8"
    & skf18("6","2","1","7","9","4","1") = "8"
    & skf18("6","2","1","7","9","5","1") = "8"
    & skf18("6","2","1","7","9","6","1") = "8"
    & skf18("6","2","1","7","9","7","1") = "8"
    & skf18("6","2","1","7","9","8","1") = "8"
    & skf18("6","2","1","7","9","9","1") = "8"
    & skf18("6","2","1","7","9","10","1") = "9"
    & skf18("6","2","1","7","10","1","1") = "9"
    & skf18("6","2","1","7","10","2","1") = "9"
    & skf18("6","2","1","7","10","3","1") = "9"
    & skf18("6","2","1","7","10","4","1") = "9"
    & skf18("6","2","1","7","10","5","1") = "9"
    & skf18("6","2","1","7","10","6","1") = "9"
    & skf18("6","2","1","7","10","7","1") = "9"
    & skf18("6","2","1","7","10","8","1") = "9"
    & skf18("6","2","1","7","10","9","1") = "9"
    & skf18("6","2","1","7","10","10","1") = "9"
    & skf18("6","2","1","8","1","1","1") = "7"
    & skf18("6","2","1","8","1","2","1") = "7"
    & skf18("6","2","1","8","1","3","1") = "7"
    & skf18("6","2","1","8","1","4","1") = "7"
    & skf18("6","2","1","8","1","5","1") = "7"
    & skf18("6","2","1","8","1","6","1") = "7"
    & skf18("6","2","1","8","1","7","1") = "7"
    & skf18("6","2","1","8","1","8","1") = "7"
    & skf18("6","2","1","8","1","9","1") = "8"
    & skf18("6","2","1","8","1","10","1") = "9"
    & skf18("6","2","1","8","2","1","1") = "7"
    & skf18("6","2","1","8","2","2","1") = "7"
    & skf18("6","2","1","8","2","3","1") = "7"
    & skf18("6","2","1","8","2","4","1") = "7"
    & skf18("6","2","1","8","2","5","1") = "7"
    & skf18("6","2","1","8","2","6","1") = "7"
    & skf18("6","2","1","8","2","7","1") = "7"
    & skf18("6","2","1","8","2","8","1") = "7"
    & skf18("6","2","1","8","2","9","1") = "8"
    & skf18("6","2","1","8","2","10","1") = "9"
    & skf18("6","2","1","8","3","1","1") = "7"
    & skf18("6","2","1","8","3","2","1") = "7"
    & skf18("6","2","1","8","3","3","1") = "7"
    & skf18("6","2","1","8","3","4","1") = "7"
    & skf18("6","2","1","8","3","5","1") = "7"
    & skf18("6","2","1","8","3","6","1") = "7"
    & skf18("6","2","1","8","3","7","1") = "7"
    & skf18("6","2","1","8","3","8","1") = "7"
    & skf18("6","2","1","8","3","9","1") = "8"
    & skf18("6","2","1","8","3","10","1") = "9"
    & skf18("6","2","1","8","4","1","1") = "7"
    & skf18("6","2","1","8","4","2","1") = "7"
    & skf18("6","2","1","8","4","3","1") = "7"
    & skf18("6","2","1","8","4","4","1") = "7"
    & skf18("6","2","1","8","4","5","1") = "7"
    & skf18("6","2","1","8","4","6","1") = "7"
    & skf18("6","2","1","8","4","7","1") = "7"
    & skf18("6","2","1","8","4","8","1") = "7"
    & skf18("6","2","1","8","4","9","1") = "8"
    & skf18("6","2","1","8","4","10","1") = "9"
    & skf18("6","2","1","8","5","1","1") = "7"
    & skf18("6","2","1","8","5","2","1") = "7"
    & skf18("6","2","1","8","5","3","1") = "7"
    & skf18("6","2","1","8","5","4","1") = "7"
    & skf18("6","2","1","8","5","5","1") = "7"
    & skf18("6","2","1","8","5","6","1") = "7"
    & skf18("6","2","1","8","5","7","1") = "7"
    & skf18("6","2","1","8","5","8","1") = "7"
    & skf18("6","2","1","8","5","9","1") = "8"
    & skf18("6","2","1","8","5","10","1") = "9"
    & skf18("6","2","1","8","6","1","1") = "7"
    & skf18("6","2","1","8","6","2","1") = "7"
    & skf18("6","2","1","8","6","3","1") = "7"
    & skf18("6","2","1","8","6","4","1") = "7"
    & skf18("6","2","1","8","6","5","1") = "7"
    & skf18("6","2","1","8","6","6","1") = "7"
    & skf18("6","2","1","8","6","7","1") = "7"
    & skf18("6","2","1","8","6","8","1") = "7"
    & skf18("6","2","1","8","6","9","1") = "8"
    & skf18("6","2","1","8","6","10","1") = "9"
    & skf18("6","2","1","8","7","1","1") = "7"
    & skf18("6","2","1","8","7","2","1") = "7"
    & skf18("6","2","1","8","7","3","1") = "7"
    & skf18("6","2","1","8","7","4","1") = "7"
    & skf18("6","2","1","8","7","5","1") = "7"
    & skf18("6","2","1","8","7","6","1") = "7"
    & skf18("6","2","1","8","7","7","1") = "7"
    & skf18("6","2","1","8","7","8","1") = "7"
    & skf18("6","2","1","8","7","9","1") = "8"
    & skf18("6","2","1","8","7","10","1") = "9"
    & skf18("6","2","1","8","8","1","1") = "7"
    & skf18("6","2","1","8","8","2","1") = "7"
    & skf18("6","2","1","8","8","3","1") = "7"
    & skf18("6","2","1","8","8","4","1") = "7"
    & skf18("6","2","1","8","8","5","1") = "7"
    & skf18("6","2","1","8","8","6","1") = "7"
    & skf18("6","2","1","8","8","7","1") = "7"
    & skf18("6","2","1","8","8","8","1") = "7"
    & skf18("6","2","1","8","8","9","1") = "8"
    & skf18("6","2","1","8","8","10","1") = "9"
    & skf18("6","2","1","8","9","1","1") = "8"
    & skf18("6","2","1","8","9","2","1") = "8"
    & skf18("6","2","1","8","9","3","1") = "8"
    & skf18("6","2","1","8","9","4","1") = "8"
    & skf18("6","2","1","8","9","5","1") = "8"
    & skf18("6","2","1","8","9","6","1") = "8"
    & skf18("6","2","1","8","9","7","1") = "8"
    & skf18("6","2","1","8","9","8","1") = "8"
    & skf18("6","2","1","8","9","9","1") = "8"
    & skf18("6","2","1","8","9","10","1") = "9"
    & skf18("6","2","1","8","10","1","1") = "9"
    & skf18("6","2","1","8","10","2","1") = "9"
    & skf18("6","2","1","8","10","3","1") = "9"
    & skf18("6","2","1","8","10","4","1") = "9"
    & skf18("6","2","1","8","10","5","1") = "9"
    & skf18("6","2","1","8","10","6","1") = "9"
    & skf18("6","2","1","8","10","7","1") = "9"
    & skf18("6","2","1","8","10","8","1") = "9"
    & skf18("6","2","1","8","10","9","1") = "9"
    & skf18("6","2","1","8","10","10","1") = "9"
    & skf18("6","2","1","9","1","1","1") = "8"
    & skf18("6","2","1","9","1","2","1") = "8"
    & skf18("6","2","1","9","1","3","1") = "8"
    & skf18("6","2","1","9","1","4","1") = "8"
    & skf18("6","2","1","9","1","5","1") = "8"
    & skf18("6","2","1","9","1","6","1") = "8"
    & skf18("6","2","1","9","1","7","1") = "8"
    & skf18("6","2","1","9","1","8","1") = "8"
    & skf18("6","2","1","9","1","9","1") = "8"
    & skf18("6","2","1","9","1","10","1") = "9"
    & skf18("6","2","1","9","2","1","1") = "8"
    & skf18("6","2","1","9","2","2","1") = "8"
    & skf18("6","2","1","9","2","3","1") = "8"
    & skf18("6","2","1","9","2","4","1") = "8"
    & skf18("6","2","1","9","2","5","1") = "8"
    & skf18("6","2","1","9","2","6","1") = "8"
    & skf18("6","2","1","9","2","7","1") = "8"
    & skf18("6","2","1","9","2","8","1") = "8"
    & skf18("6","2","1","9","2","9","1") = "8"
    & skf18("6","2","1","9","2","10","1") = "9"
    & skf18("6","2","1","9","3","1","1") = "8"
    & skf18("6","2","1","9","3","2","1") = "8"
    & skf18("6","2","1","9","3","3","1") = "8"
    & skf18("6","2","1","9","3","4","1") = "8"
    & skf18("6","2","1","9","3","5","1") = "8"
    & skf18("6","2","1","9","3","6","1") = "8"
    & skf18("6","2","1","9","3","7","1") = "8"
    & skf18("6","2","1","9","3","8","1") = "8"
    & skf18("6","2","1","9","3","9","1") = "8"
    & skf18("6","2","1","9","3","10","1") = "9"
    & skf18("6","2","1","9","4","1","1") = "8"
    & skf18("6","2","1","9","4","2","1") = "8"
    & skf18("6","2","1","9","4","3","1") = "8"
    & skf18("6","2","1","9","4","4","1") = "8"
    & skf18("6","2","1","9","4","5","1") = "8"
    & skf18("6","2","1","9","4","6","1") = "8"
    & skf18("6","2","1","9","4","7","1") = "8"
    & skf18("6","2","1","9","4","8","1") = "8"
    & skf18("6","2","1","9","4","9","1") = "8"
    & skf18("6","2","1","9","4","10","1") = "9"
    & skf18("6","2","1","9","5","1","1") = "8"
    & skf18("6","2","1","9","5","2","1") = "8"
    & skf18("6","2","1","9","5","3","1") = "8"
    & skf18("6","2","1","9","5","4","1") = "8"
    & skf18("6","2","1","9","5","5","1") = "8"
    & skf18("6","2","1","9","5","6","1") = "8"
    & skf18("6","2","1","9","5","7","1") = "8"
    & skf18("6","2","1","9","5","8","1") = "8"
    & skf18("6","2","1","9","5","9","1") = "8"
    & skf18("6","2","1","9","5","10","1") = "9"
    & skf18("6","2","1","9","6","1","1") = "8"
    & skf18("6","2","1","9","6","2","1") = "8"
    & skf18("6","2","1","9","6","3","1") = "8"
    & skf18("6","2","1","9","6","4","1") = "8"
    & skf18("6","2","1","9","6","5","1") = "8"
    & skf18("6","2","1","9","6","6","1") = "8"
    & skf18("6","2","1","9","6","7","1") = "8"
    & skf18("6","2","1","9","6","8","1") = "8"
    & skf18("6","2","1","9","6","9","1") = "8"
    & skf18("6","2","1","9","6","10","1") = "9"
    & skf18("6","2","1","9","7","1","1") = "8"
    & skf18("6","2","1","9","7","2","1") = "8"
    & skf18("6","2","1","9","7","3","1") = "8"
    & skf18("6","2","1","9","7","4","1") = "8"
    & skf18("6","2","1","9","7","5","1") = "8"
    & skf18("6","2","1","9","7","6","1") = "8"
    & skf18("6","2","1","9","7","7","1") = "8"
    & skf18("6","2","1","9","7","8","1") = "8"
    & skf18("6","2","1","9","7","9","1") = "8"
    & skf18("6","2","1","9","7","10","1") = "9"
    & skf18("6","2","1","9","8","1","1") = "8"
    & skf18("6","2","1","9","8","2","1") = "8"
    & skf18("6","2","1","9","8","3","1") = "8"
    & skf18("6","2","1","9","8","4","1") = "8"
    & skf18("6","2","1","9","8","5","1") = "8"
    & skf18("6","2","1","9","8","6","1") = "8"
    & skf18("6","2","1","9","8","7","1") = "8"
    & skf18("6","2","1","9","8","8","1") = "8"
    & skf18("6","2","1","9","8","9","1") = "8"
    & skf18("6","2","1","9","8","10","1") = "9"
    & skf18("6","2","1","9","9","1","1") = "8"
    & skf18("6","2","1","9","9","2","1") = "8"
    & skf18("6","2","1","9","9","3","1") = "8"
    & skf18("6","2","1","9","9","4","1") = "8"
    & skf18("6","2","1","9","9","5","1") = "8"
    & skf18("6","2","1","9","9","6","1") = "8"
    & skf18("6","2","1","9","9","7","1") = "8"
    & skf18("6","2","1","9","9","8","1") = "8"
    & skf18("6","2","1","9","9","9","1") = "8"
    & skf18("6","2","1","9","9","10","1") = "9"
    & skf18("6","2","1","9","10","1","1") = "9"
    & skf18("6","2","1","9","10","2","1") = "9"
    & skf18("6","2","1","9","10","3","1") = "9"
    & skf18("6","2","1","9","10","4","1") = "9"
    & skf18("6","2","1","9","10","5","1") = "9"
    & skf18("6","2","1","9","10","6","1") = "9"
    & skf18("6","2","1","9","10","7","1") = "9"
    & skf18("6","2","1","9","10","8","1") = "9"
    & skf18("6","2","1","9","10","9","1") = "9"
    & skf18("6","2","1","9","10","10","1") = "9"
    & skf18("6","2","1","10","1","1","1") = "9"
    & skf18("6","2","1","10","1","2","1") = "9"
    & skf18("6","2","1","10","1","3","1") = "9"
    & skf18("6","2","1","10","1","4","1") = "9"
    & skf18("6","2","1","10","1","5","1") = "9"
    & skf18("6","2","1","10","1","6","1") = "9"
    & skf18("6","2","1","10","1","7","1") = "9"
    & skf18("6","2","1","10","1","8","1") = "9"
    & skf18("6","2","1","10","1","9","1") = "9"
    & skf18("6","2","1","10","1","10","1") = "9"
    & skf18("6","2","1","10","2","1","1") = "9"
    & skf18("6","2","1","10","2","2","1") = "9"
    & skf18("6","2","1","10","2","3","1") = "9"
    & skf18("6","2","1","10","2","4","1") = "9"
    & skf18("6","2","1","10","2","5","1") = "9"
    & skf18("6","2","1","10","2","6","1") = "9"
    & skf18("6","2","1","10","2","7","1") = "9"
    & skf18("6","2","1","10","2","8","1") = "9"
    & skf18("6","2","1","10","2","9","1") = "9"
    & skf18("6","2","1","10","2","10","1") = "9"
    & skf18("6","2","1","10","3","1","1") = "9"
    & skf18("6","2","1","10","3","2","1") = "9"
    & skf18("6","2","1","10","3","3","1") = "9"
    & skf18("6","2","1","10","3","4","1") = "9"
    & skf18("6","2","1","10","3","5","1") = "9"
    & skf18("6","2","1","10","3","6","1") = "9"
    & skf18("6","2","1","10","3","7","1") = "9"
    & skf18("6","2","1","10","3","8","1") = "9"
    & skf18("6","2","1","10","3","9","1") = "9"
    & skf18("6","2","1","10","3","10","1") = "9"
    & skf18("6","2","1","10","4","1","1") = "9"
    & skf18("6","2","1","10","4","2","1") = "9"
    & skf18("6","2","1","10","4","3","1") = "9"
    & skf18("6","2","1","10","4","4","1") = "9"
    & skf18("6","2","1","10","4","5","1") = "9"
    & skf18("6","2","1","10","4","6","1") = "9"
    & skf18("6","2","1","10","4","7","1") = "9"
    & skf18("6","2","1","10","4","8","1") = "9"
    & skf18("6","2","1","10","4","9","1") = "9"
    & skf18("6","2","1","10","4","10","1") = "9"
    & skf18("6","2","1","10","5","1","1") = "9"
    & skf18("6","2","1","10","5","2","1") = "9"
    & skf18("6","2","1","10","5","3","1") = "9"
    & skf18("6","2","1","10","5","4","1") = "9"
    & skf18("6","2","1","10","5","5","1") = "9"
    & skf18("6","2","1","10","5","6","1") = "9"
    & skf18("6","2","1","10","5","7","1") = "9"
    & skf18("6","2","1","10","5","8","1") = "9"
    & skf18("6","2","1","10","5","9","1") = "9"
    & skf18("6","2","1","10","5","10","1") = "9"
    & skf18("6","2","1","10","6","1","1") = "9"
    & skf18("6","2","1","10","6","2","1") = "9"
    & skf18("6","2","1","10","6","3","1") = "9"
    & skf18("6","2","1","10","6","4","1") = "9"
    & skf18("6","2","1","10","6","5","1") = "9"
    & skf18("6","2","1","10","6","6","1") = "9"
    & skf18("6","2","1","10","6","7","1") = "9"
    & skf18("6","2","1","10","6","8","1") = "9"
    & skf18("6","2","1","10","6","9","1") = "9"
    & skf18("6","2","1","10","6","10","1") = "9"
    & skf18("6","2","1","10","7","1","1") = "9"
    & skf18("6","2","1","10","7","2","1") = "9"
    & skf18("6","2","1","10","7","3","1") = "9"
    & skf18("6","2","1","10","7","4","1") = "9"
    & skf18("6","2","1","10","7","5","1") = "9"
    & skf18("6","2","1","10","7","6","1") = "9"
    & skf18("6","2","1","10","7","7","1") = "9"
    & skf18("6","2","1","10","7","8","1") = "9"
    & skf18("6","2","1","10","7","9","1") = "9"
    & skf18("6","2","1","10","7","10","1") = "9"
    & skf18("6","2","1","10","8","1","1") = "9"
    & skf18("6","2","1","10","8","2","1") = "9"
    & skf18("6","2","1","10","8","3","1") = "9"
    & skf18("6","2","1","10","8","4","1") = "9"
    & skf18("6","2","1","10","8","5","1") = "9"
    & skf18("6","2","1","10","8","6","1") = "9"
    & skf18("6","2","1","10","8","7","1") = "9"
    & skf18("6","2","1","10","8","8","1") = "9"
    & skf18("6","2","1","10","8","9","1") = "9"
    & skf18("6","2","1","10","8","10","1") = "9"
    & skf18("6","2","1","10","9","1","1") = "9"
    & skf18("6","2","1","10","9","2","1") = "9"
    & skf18("6","2","1","10","9","3","1") = "9"
    & skf18("6","2","1","10","9","4","1") = "9"
    & skf18("6","2","1","10","9","5","1") = "9"
    & skf18("6","2","1","10","9","6","1") = "9"
    & skf18("6","2","1","10","9","7","1") = "9"
    & skf18("6","2","1","10","9","8","1") = "9"
    & skf18("6","2","1","10","9","9","1") = "9"
    & skf18("6","2","1","10","9","10","1") = "9"
    & skf18("6","2","1","10","10","1","1") = "9"
    & skf18("6","2","1","10","10","2","1") = "9"
    & skf18("6","2","1","10","10","3","1") = "9"
    & skf18("6","2","1","10","10","4","1") = "9"
    & skf18("6","2","1","10","10","5","1") = "9"
    & skf18("6","2","1","10","10","6","1") = "9"
    & skf18("6","2","1","10","10","7","1") = "9"
    & skf18("6","2","1","10","10","8","1") = "9"
    & skf18("6","2","1","10","10","9","1") = "9"
    & skf18("6","2","1","10","10","10","1") = "9"
    & skf18("6","2","2","1","1","1","1") = "5"
    & skf18("6","2","2","1","1","2","1") = "5"
    & skf18("6","2","2","1","1","3","1") = "5"
    & skf18("6","2","2","1","1","4","1") = "5"
    & skf18("6","2","2","1","1","5","1") = "5"
    & skf18("6","2","2","1","1","6","1") = "5"
    & skf18("6","2","2","1","1","7","1") = "6"
    & skf18("6","2","2","1","1","8","1") = "7"
    & skf18("6","2","2","1","1","9","1") = "8"
    & skf18("6","2","2","1","1","10","1") = "9"
    & skf18("6","2","2","1","2","1","1") = "5"
    & skf18("6","2","2","1","2","2","1") = "5"
    & skf18("6","2","2","1","2","3","1") = "5"
    & skf18("6","2","2","1","2","4","1") = "5"
    & skf18("6","2","2","1","2","5","1") = "5"
    & skf18("6","2","2","1","2","6","1") = "5"
    & skf18("6","2","2","1","2","7","1") = "6"
    & skf18("6","2","2","1","2","8","1") = "7"
    & skf18("6","2","2","1","2","9","1") = "8"
    & skf18("6","2","2","1","2","10","1") = "9"
    & skf18("6","2","2","1","3","1","1") = "5"
    & skf18("6","2","2","1","3","2","1") = "5"
    & skf18("6","2","2","1","3","3","1") = "5"
    & skf18("6","2","2","1","3","4","1") = "5"
    & skf18("6","2","2","1","3","5","1") = "5"
    & skf18("6","2","2","1","3","6","1") = "5"
    & skf18("6","2","2","1","3","7","1") = "6"
    & skf18("6","2","2","1","3","8","1") = "7"
    & skf18("6","2","2","1","3","9","1") = "8"
    & skf18("6","2","2","1","3","10","1") = "9"
    & skf18("6","2","2","1","4","1","1") = "5"
    & skf18("6","2","2","1","4","2","1") = "5"
    & skf18("6","2","2","1","4","3","1") = "5"
    & skf18("6","2","2","1","4","4","1") = "5"
    & skf18("6","2","2","1","4","5","1") = "5"
    & skf18("6","2","2","1","4","6","1") = "5"
    & skf18("6","2","2","1","4","7","1") = "6"
    & skf18("6","2","2","1","4","8","1") = "7"
    & skf18("6","2","2","1","4","9","1") = "8"
    & skf18("6","2","2","1","4","10","1") = "9"
    & skf18("6","2","2","1","5","1","1") = "5"
    & skf18("6","2","2","1","5","2","1") = "5"
    & skf18("6","2","2","1","5","3","1") = "5"
    & skf18("6","2","2","1","5","4","1") = "5"
    & skf18("6","2","2","1","5","5","1") = "5"
    & skf18("6","2","2","1","5","6","1") = "5"
    & skf18("6","2","2","1","5","7","1") = "6"
    & skf18("6","2","2","1","5","8","1") = "7"
    & skf18("6","2","2","1","5","9","1") = "8"
    & skf18("6","2","2","1","5","10","1") = "9"
    & skf18("6","2","2","1","6","1","1") = "5"
    & skf18("6","2","2","1","6","2","1") = "5"
    & skf18("6","2","2","1","6","3","1") = "5"
    & skf18("6","2","2","1","6","4","1") = "5"
    & skf18("6","2","2","1","6","5","1") = "5"
    & skf18("6","2","2","1","6","6","1") = "5"
    & skf18("6","2","2","1","6","7","1") = "6"
    & skf18("6","2","2","1","6","8","1") = "7"
    & skf18("6","2","2","1","6","9","1") = "8"
    & skf18("6","2","2","1","6","10","1") = "9"
    & skf18("6","2","2","1","7","1","1") = "6"
    & skf18("6","2","2","1","7","2","1") = "6"
    & skf18("6","2","2","1","7","3","1") = "6"
    & skf18("6","2","2","1","7","4","1") = "6"
    & skf18("6","2","2","1","7","5","1") = "6"
    & skf18("6","2","2","1","7","6","1") = "6"
    & skf18("6","2","2","1","7","7","1") = "6"
    & skf18("6","2","2","1","7","8","1") = "7"
    & skf18("6","2","2","1","7","9","1") = "8"
    & skf18("6","2","2","1","7","10","1") = "9"
    & skf18("6","2","2","1","8","1","1") = "7"
    & skf18("6","2","2","1","8","2","1") = "7"
    & skf18("6","2","2","1","8","3","1") = "7"
    & skf18("6","2","2","1","8","4","1") = "7"
    & skf18("6","2","2","1","8","5","1") = "7"
    & skf18("6","2","2","1","8","6","1") = "7"
    & skf18("6","2","2","1","8","7","1") = "7"
    & skf18("6","2","2","1","8","8","1") = "7"
    & skf18("6","2","2","1","8","9","1") = "8"
    & skf18("6","2","2","1","8","10","1") = "9"
    & skf18("6","2","2","1","9","1","1") = "8"
    & skf18("6","2","2","1","9","2","1") = "8"
    & skf18("6","2","2","1","9","3","1") = "8"
    & skf18("6","2","2","1","9","4","1") = "8"
    & skf18("6","2","2","1","9","5","1") = "8"
    & skf18("6","2","2","1","9","6","1") = "8"
    & skf18("6","2","2","1","9","7","1") = "8"
    & skf18("6","2","2","1","9","8","1") = "8"
    & skf18("6","2","2","1","9","9","1") = "8"
    & skf18("6","2","2","1","9","10","1") = "9"
    & skf18("6","2","2","1","10","1","1") = "9"
    & skf18("6","2","2","1","10","2","1") = "9"
    & skf18("6","2","2","1","10","3","1") = "9"
    & skf18("6","2","2","1","10","4","1") = "9"
    & skf18("6","2","2","1","10","5","1") = "9"
    & skf18("6","2","2","1","10","6","1") = "9"
    & skf18("6","2","2","1","10","7","1") = "9"
    & skf18("6","2","2","1","10","8","1") = "9"
    & skf18("6","2","2","1","10","9","1") = "9"
    & skf18("6","2","2","1","10","10","1") = "9"
    & skf18("6","2","2","2","1","1","1") = "5"
    & skf18("6","2","2","2","1","2","1") = "5"
    & skf18("6","2","2","2","1","3","1") = "5"
    & skf18("6","2","2","2","1","4","1") = "5"
    & skf18("6","2","2","2","1","5","1") = "5"
    & skf18("6","2","2","2","1","6","1") = "5"
    & skf18("6","2","2","2","1","7","1") = "6"
    & skf18("6","2","2","2","1","8","1") = "7"
    & skf18("6","2","2","2","1","9","1") = "8"
    & skf18("6","2","2","2","1","10","1") = "9"
    & skf18("6","2","2","2","2","1","1") = "5"
    & skf18("6","2","2","2","2","2","1") = "5"
    & skf18("6","2","2","2","2","3","1") = "5"
    & skf18("6","2","2","2","2","4","1") = "5"
    & skf18("6","2","2","2","2","5","1") = "5"
    & skf18("6","2","2","2","2","6","1") = "5"
    & skf18("6","2","2","2","2","7","1") = "6"
    & skf18("6","2","2","2","2","8","1") = "7"
    & skf18("6","2","2","2","2","9","1") = "8"
    & skf18("6","2","2","2","2","10","1") = "9"
    & skf18("6","2","2","2","3","1","1") = "5"
    & skf18("6","2","2","2","3","2","1") = "5"
    & skf18("6","2","2","2","3","3","1") = "5"
    & skf18("6","2","2","2","3","4","1") = "5"
    & skf18("6","2","2","2","3","5","1") = "5"
    & skf18("6","2","2","2","3","6","1") = "5"
    & skf18("6","2","2","2","3","7","1") = "6"
    & skf18("6","2","2","2","3","8","1") = "7"
    & skf18("6","2","2","2","3","9","1") = "8"
    & skf18("6","2","2","2","3","10","1") = "9"
    & skf18("6","2","2","2","4","1","1") = "5"
    & skf18("6","2","2","2","4","2","1") = "5"
    & skf18("6","2","2","2","4","3","1") = "5"
    & skf18("6","2","2","2","4","4","1") = "5"
    & skf18("6","2","2","2","4","5","1") = "5"
    & skf18("6","2","2","2","4","6","1") = "5"
    & skf18("6","2","2","2","4","7","1") = "6"
    & skf18("6","2","2","2","4","8","1") = "7"
    & skf18("6","2","2","2","4","9","1") = "8"
    & skf18("6","2","2","2","4","10","1") = "9"
    & skf18("6","2","2","2","5","1","1") = "5"
    & skf18("6","2","2","2","5","2","1") = "5"
    & skf18("6","2","2","2","5","3","1") = "5"
    & skf18("6","2","2","2","5","4","1") = "5"
    & skf18("6","2","2","2","5","5","1") = "5"
    & skf18("6","2","2","2","5","6","1") = "5"
    & skf18("6","2","2","2","5","7","1") = "6"
    & skf18("6","2","2","2","5","8","1") = "7"
    & skf18("6","2","2","2","5","9","1") = "8"
    & skf18("6","2","2","2","5","10","1") = "9"
    & skf18("6","2","2","2","6","1","1") = "5"
    & skf18("6","2","2","2","6","2","1") = "5"
    & skf18("6","2","2","2","6","3","1") = "5"
    & skf18("6","2","2","2","6","4","1") = "5"
    & skf18("6","2","2","2","6","5","1") = "5"
    & skf18("6","2","2","2","6","6","1") = "5"
    & skf18("6","2","2","2","6","7","1") = "6"
    & skf18("6","2","2","2","6","8","1") = "7"
    & skf18("6","2","2","2","6","9","1") = "8"
    & skf18("6","2","2","2","6","10","1") = "9"
    & skf18("6","2","2","2","7","1","1") = "6"
    & skf18("6","2","2","2","7","2","1") = "6"
    & skf18("6","2","2","2","7","3","1") = "6"
    & skf18("6","2","2","2","7","4","1") = "6"
    & skf18("6","2","2","2","7","5","1") = "6"
    & skf18("6","2","2","2","7","6","1") = "6"
    & skf18("6","2","2","2","7","7","1") = "6"
    & skf18("6","2","2","2","7","8","1") = "7"
    & skf18("6","2","2","2","7","9","1") = "8"
    & skf18("6","2","2","2","7","10","1") = "9"
    & skf18("6","2","2","2","8","1","1") = "7"
    & skf18("6","2","2","2","8","2","1") = "7"
    & skf18("6","2","2","2","8","3","1") = "7"
    & skf18("6","2","2","2","8","4","1") = "7"
    & skf18("6","2","2","2","8","5","1") = "7"
    & skf18("6","2","2","2","8","6","1") = "7"
    & skf18("6","2","2","2","8","7","1") = "7"
    & skf18("6","2","2","2","8","8","1") = "7"
    & skf18("6","2","2","2","8","9","1") = "8"
    & skf18("6","2","2","2","8","10","1") = "9"
    & skf18("6","2","2","2","9","1","1") = "8"
    & skf18("6","2","2","2","9","2","1") = "8"
    & skf18("6","2","2","2","9","3","1") = "8"
    & skf18("6","2","2","2","9","4","1") = "8"
    & skf18("6","2","2","2","9","5","1") = "8"
    & skf18("6","2","2","2","9","6","1") = "8"
    & skf18("6","2","2","2","9","7","1") = "8"
    & skf18("6","2","2","2","9","8","1") = "8"
    & skf18("6","2","2","2","9","9","1") = "8"
    & skf18("6","2","2","2","9","10","1") = "9"
    & skf18("6","2","2","2","10","1","1") = "9"
    & skf18("6","2","2","2","10","2","1") = "9"
    & skf18("6","2","2","2","10","3","1") = "9"
    & skf18("6","2","2","2","10","4","1") = "9"
    & skf18("6","2","2","2","10","5","1") = "9"
    & skf18("6","2","2","2","10","6","1") = "9"
    & skf18("6","2","2","2","10","7","1") = "9"
    & skf18("6","2","2","2","10","8","1") = "9"
    & skf18("6","2","2","2","10","9","1") = "9"
    & skf18("6","2","2","2","10","10","1") = "9"
    & skf18("6","2","2","3","1","1","1") = "5"
    & skf18("6","2","2","3","1","2","1") = "5"
    & skf18("6","2","2","3","1","3","1") = "5"
    & skf18("6","2","2","3","1","4","1") = "5"
    & skf18("6","2","2","3","1","5","1") = "5"
    & skf18("6","2","2","3","1","6","1") = "5"
    & skf18("6","2","2","3","1","7","1") = "6"
    & skf18("6","2","2","3","1","8","1") = "7"
    & skf18("6","2","2","3","1","9","1") = "8"
    & skf18("6","2","2","3","1","10","1") = "9"
    & skf18("6","2","2","3","2","1","1") = "5"
    & skf18("6","2","2","3","2","2","1") = "5"
    & skf18("6","2","2","3","2","3","1") = "5"
    & skf18("6","2","2","3","2","4","1") = "5"
    & skf18("6","2","2","3","2","5","1") = "5"
    & skf18("6","2","2","3","2","6","1") = "5"
    & skf18("6","2","2","3","2","7","1") = "6"
    & skf18("6","2","2","3","2","8","1") = "7"
    & skf18("6","2","2","3","2","9","1") = "8"
    & skf18("6","2","2","3","2","10","1") = "9"
    & skf18("6","2","2","3","3","1","1") = "5"
    & skf18("6","2","2","3","3","2","1") = "5"
    & skf18("6","2","2","3","3","3","1") = "5"
    & skf18("6","2","2","3","3","4","1") = "5"
    & skf18("6","2","2","3","3","5","1") = "5"
    & skf18("6","2","2","3","3","6","1") = "5"
    & skf18("6","2","2","3","3","7","1") = "6"
    & skf18("6","2","2","3","3","8","1") = "7"
    & skf18("6","2","2","3","3","9","1") = "8"
    & skf18("6","2","2","3","3","10","1") = "9"
    & skf18("6","2","2","3","4","1","1") = "5"
    & skf18("6","2","2","3","4","2","1") = "5"
    & skf18("6","2","2","3","4","3","1") = "5"
    & skf18("6","2","2","3","4","4","1") = "5"
    & skf18("6","2","2","3","4","5","1") = "5"
    & skf18("6","2","2","3","4","6","1") = "5"
    & skf18("6","2","2","3","4","7","1") = "6"
    & skf18("6","2","2","3","4","8","1") = "7"
    & skf18("6","2","2","3","4","9","1") = "8"
    & skf18("6","2","2","3","4","10","1") = "9"
    & skf18("6","2","2","3","5","1","1") = "5"
    & skf18("6","2","2","3","5","2","1") = "5"
    & skf18("6","2","2","3","5","3","1") = "5"
    & skf18("6","2","2","3","5","4","1") = "5"
    & skf18("6","2","2","3","5","5","1") = "5"
    & skf18("6","2","2","3","5","6","1") = "5"
    & skf18("6","2","2","3","5","7","1") = "6"
    & skf18("6","2","2","3","5","8","1") = "7"
    & skf18("6","2","2","3","5","9","1") = "8"
    & skf18("6","2","2","3","5","10","1") = "9"
    & skf18("6","2","2","3","6","1","1") = "5"
    & skf18("6","2","2","3","6","2","1") = "5"
    & skf18("6","2","2","3","6","3","1") = "5"
    & skf18("6","2","2","3","6","4","1") = "5"
    & skf18("6","2","2","3","6","5","1") = "5"
    & skf18("6","2","2","3","6","6","1") = "5"
    & skf18("6","2","2","3","6","7","1") = "6"
    & skf18("6","2","2","3","6","8","1") = "7"
    & skf18("6","2","2","3","6","9","1") = "8"
    & skf18("6","2","2","3","6","10","1") = "9"
    & skf18("6","2","2","3","7","1","1") = "6"
    & skf18("6","2","2","3","7","2","1") = "6"
    & skf18("6","2","2","3","7","3","1") = "6"
    & skf18("6","2","2","3","7","4","1") = "6"
    & skf18("6","2","2","3","7","5","1") = "6"
    & skf18("6","2","2","3","7","6","1") = "6"
    & skf18("6","2","2","3","7","7","1") = "6"
    & skf18("6","2","2","3","7","8","1") = "7"
    & skf18("6","2","2","3","7","9","1") = "8"
    & skf18("6","2","2","3","7","10","1") = "9"
    & skf18("6","2","2","3","8","1","1") = "7"
    & skf18("6","2","2","3","8","2","1") = "7"
    & skf18("6","2","2","3","8","3","1") = "7"
    & skf18("6","2","2","3","8","4","1") = "7"
    & skf18("6","2","2","3","8","5","1") = "7"
    & skf18("6","2","2","3","8","6","1") = "7"
    & skf18("6","2","2","3","8","7","1") = "7"
    & skf18("6","2","2","3","8","8","1") = "7"
    & skf18("6","2","2","3","8","9","1") = "8"
    & skf18("6","2","2","3","8","10","1") = "9"
    & skf18("6","2","2","3","9","1","1") = "8"
    & skf18("6","2","2","3","9","2","1") = "8"
    & skf18("6","2","2","3","9","3","1") = "8"
    & skf18("6","2","2","3","9","4","1") = "8"
    & skf18("6","2","2","3","9","5","1") = "8"
    & skf18("6","2","2","3","9","6","1") = "8"
    & skf18("6","2","2","3","9","7","1") = "8"
    & skf18("6","2","2","3","9","8","1") = "8"
    & skf18("6","2","2","3","9","9","1") = "8"
    & skf18("6","2","2","3","9","10","1") = "9"
    & skf18("6","2","2","3","10","1","1") = "9"
    & skf18("6","2","2","3","10","2","1") = "9"
    & skf18("6","2","2","3","10","3","1") = "9"
    & skf18("6","2","2","3","10","4","1") = "9"
    & skf18("6","2","2","3","10","5","1") = "9"
    & skf18("6","2","2","3","10","6","1") = "9"
    & skf18("6","2","2","3","10","7","1") = "9"
    & skf18("6","2","2","3","10","8","1") = "9"
    & skf18("6","2","2","3","10","9","1") = "9"
    & skf18("6","2","2","3","10","10","1") = "9"
    & skf18("6","2","2","4","1","1","1") = "5"
    & skf18("6","2","2","4","1","2","1") = "5"
    & skf18("6","2","2","4","1","3","1") = "5"
    & skf18("6","2","2","4","1","4","1") = "5"
    & skf18("6","2","2","4","1","5","1") = "5"
    & skf18("6","2","2","4","1","6","1") = "5"
    & skf18("6","2","2","4","1","7","1") = "6"
    & skf18("6","2","2","4","1","8","1") = "7"
    & skf18("6","2","2","4","1","9","1") = "8"
    & skf18("6","2","2","4","1","10","1") = "9"
    & skf18("6","2","2","4","2","1","1") = "5"
    & skf18("6","2","2","4","2","2","1") = "5"
    & skf18("6","2","2","4","2","3","1") = "5"
    & skf18("6","2","2","4","2","4","1") = "5"
    & skf18("6","2","2","4","2","5","1") = "5"
    & skf18("6","2","2","4","2","6","1") = "5"
    & skf18("6","2","2","4","2","7","1") = "6"
    & skf18("6","2","2","4","2","8","1") = "7"
    & skf18("6","2","2","4","2","9","1") = "8"
    & skf18("6","2","2","4","2","10","1") = "9"
    & skf18("6","2","2","4","3","1","1") = "5"
    & skf18("6","2","2","4","3","2","1") = "5"
    & skf18("6","2","2","4","3","3","1") = "5"
    & skf18("6","2","2","4","3","4","1") = "5"
    & skf18("6","2","2","4","3","5","1") = "5"
    & skf18("6","2","2","4","3","6","1") = "5"
    & skf18("6","2","2","4","3","7","1") = "6"
    & skf18("6","2","2","4","3","8","1") = "7"
    & skf18("6","2","2","4","3","9","1") = "8"
    & skf18("6","2","2","4","3","10","1") = "9"
    & skf18("6","2","2","4","4","1","1") = "5"
    & skf18("6","2","2","4","4","2","1") = "5"
    & skf18("6","2","2","4","4","3","1") = "5"
    & skf18("6","2","2","4","4","4","1") = "5"
    & skf18("6","2","2","4","4","5","1") = "5"
    & skf18("6","2","2","4","4","6","1") = "5"
    & skf18("6","2","2","4","4","7","1") = "6"
    & skf18("6","2","2","4","4","8","1") = "7"
    & skf18("6","2","2","4","4","9","1") = "8"
    & skf18("6","2","2","4","4","10","1") = "9"
    & skf18("6","2","2","4","5","1","1") = "5"
    & skf18("6","2","2","4","5","2","1") = "5"
    & skf18("6","2","2","4","5","3","1") = "5"
    & skf18("6","2","2","4","5","4","1") = "5"
    & skf18("6","2","2","4","5","5","1") = "5"
    & skf18("6","2","2","4","5","6","1") = "5"
    & skf18("6","2","2","4","5","7","1") = "6"
    & skf18("6","2","2","4","5","8","1") = "7"
    & skf18("6","2","2","4","5","9","1") = "8"
    & skf18("6","2","2","4","5","10","1") = "9"
    & skf18("6","2","2","4","6","1","1") = "5"
    & skf18("6","2","2","4","6","2","1") = "5"
    & skf18("6","2","2","4","6","3","1") = "5"
    & skf18("6","2","2","4","6","4","1") = "5"
    & skf18("6","2","2","4","6","5","1") = "5"
    & skf18("6","2","2","4","6","6","1") = "5"
    & skf18("6","2","2","4","6","7","1") = "6"
    & skf18("6","2","2","4","6","8","1") = "7"
    & skf18("6","2","2","4","6","9","1") = "8"
    & skf18("6","2","2","4","6","10","1") = "9"
    & skf18("6","2","2","4","7","1","1") = "6"
    & skf18("6","2","2","4","7","2","1") = "6"
    & skf18("6","2","2","4","7","3","1") = "6"
    & skf18("6","2","2","4","7","4","1") = "6"
    & skf18("6","2","2","4","7","5","1") = "6"
    & skf18("6","2","2","4","7","6","1") = "6"
    & skf18("6","2","2","4","7","7","1") = "6"
    & skf18("6","2","2","4","7","8","1") = "7"
    & skf18("6","2","2","4","7","9","1") = "8"
    & skf18("6","2","2","4","7","10","1") = "9"
    & skf18("6","2","2","4","8","1","1") = "7"
    & skf18("6","2","2","4","8","2","1") = "7"
    & skf18("6","2","2","4","8","3","1") = "7"
    & skf18("6","2","2","4","8","4","1") = "7"
    & skf18("6","2","2","4","8","5","1") = "7"
    & skf18("6","2","2","4","8","6","1") = "7"
    & skf18("6","2","2","4","8","7","1") = "7"
    & skf18("6","2","2","4","8","8","1") = "7"
    & skf18("6","2","2","4","8","9","1") = "8"
    & skf18("6","2","2","4","8","10","1") = "9"
    & skf18("6","2","2","4","9","1","1") = "8"
    & skf18("6","2","2","4","9","2","1") = "8"
    & skf18("6","2","2","4","9","3","1") = "8"
    & skf18("6","2","2","4","9","4","1") = "8"
    & skf18("6","2","2","4","9","5","1") = "8"
    & skf18("6","2","2","4","9","6","1") = "8"
    & skf18("6","2","2","4","9","7","1") = "8"
    & skf18("6","2","2","4","9","8","1") = "8"
    & skf18("6","2","2","4","9","9","1") = "8"
    & skf18("6","2","2","4","9","10","1") = "9"
    & skf18("6","2","2","4","10","1","1") = "9"
    & skf18("6","2","2","4","10","2","1") = "9"
    & skf18("6","2","2","4","10","3","1") = "9"
    & skf18("6","2","2","4","10","4","1") = "9"
    & skf18("6","2","2","4","10","5","1") = "9"
    & skf18("6","2","2","4","10","6","1") = "9"
    & skf18("6","2","2","4","10","7","1") = "9"
    & skf18("6","2","2","4","10","8","1") = "9"
    & skf18("6","2","2","4","10","9","1") = "9"
    & skf18("6","2","2","4","10","10","1") = "9"
    & skf18("6","2","2","5","1","1","1") = "5"
    & skf18("6","2","2","5","1","2","1") = "5"
    & skf18("6","2","2","5","1","3","1") = "5"
    & skf18("6","2","2","5","1","4","1") = "5"
    & skf18("6","2","2","5","1","5","1") = "5"
    & skf18("6","2","2","5","1","6","1") = "5"
    & skf18("6","2","2","5","1","7","1") = "6"
    & skf18("6","2","2","5","1","8","1") = "7"
    & skf18("6","2","2","5","1","9","1") = "8"
    & skf18("6","2","2","5","1","10","1") = "9"
    & skf18("6","2","2","5","2","1","1") = "5"
    & skf18("6","2","2","5","2","2","1") = "5"
    & skf18("6","2","2","5","2","3","1") = "5"
    & skf18("6","2","2","5","2","4","1") = "5"
    & skf18("6","2","2","5","2","5","1") = "5"
    & skf18("6","2","2","5","2","6","1") = "5"
    & skf18("6","2","2","5","2","7","1") = "6"
    & skf18("6","2","2","5","2","8","1") = "7"
    & skf18("6","2","2","5","2","9","1") = "8"
    & skf18("6","2","2","5","2","10","1") = "9"
    & skf18("6","2","2","5","3","1","1") = "5"
    & skf18("6","2","2","5","3","2","1") = "5"
    & skf18("6","2","2","5","3","3","1") = "5"
    & skf18("6","2","2","5","3","4","1") = "5"
    & skf18("6","2","2","5","3","5","1") = "5"
    & skf18("6","2","2","5","3","6","1") = "5"
    & skf18("6","2","2","5","3","7","1") = "6"
    & skf18("6","2","2","5","3","8","1") = "7"
    & skf18("6","2","2","5","3","9","1") = "8"
    & skf18("6","2","2","5","3","10","1") = "9"
    & skf18("6","2","2","5","4","1","1") = "5"
    & skf18("6","2","2","5","4","2","1") = "5"
    & skf18("6","2","2","5","4","3","1") = "5"
    & skf18("6","2","2","5","4","4","1") = "5"
    & skf18("6","2","2","5","4","5","1") = "5"
    & skf18("6","2","2","5","4","6","1") = "5"
    & skf18("6","2","2","5","4","7","1") = "6"
    & skf18("6","2","2","5","4","8","1") = "7"
    & skf18("6","2","2","5","4","9","1") = "8"
    & skf18("6","2","2","5","4","10","1") = "9"
    & skf18("6","2","2","5","5","1","1") = "5"
    & skf18("6","2","2","5","5","2","1") = "5"
    & skf18("6","2","2","5","5","3","1") = "5"
    & skf18("6","2","2","5","5","4","1") = "5"
    & skf18("6","2","2","5","5","5","1") = "5"
    & skf18("6","2","2","5","5","6","1") = "5"
    & skf18("6","2","2","5","5","7","1") = "6"
    & skf18("6","2","2","5","5","8","1") = "7"
    & skf18("6","2","2","5","5","9","1") = "8"
    & skf18("6","2","2","5","5","10","1") = "9"
    & skf18("6","2","2","5","6","1","1") = "5"
    & skf18("6","2","2","5","6","2","1") = "5"
    & skf18("6","2","2","5","6","3","1") = "5"
    & skf18("6","2","2","5","6","4","1") = "5"
    & skf18("6","2","2","5","6","5","1") = "5"
    & skf18("6","2","2","5","6","6","1") = "5"
    & skf18("6","2","2","5","6","7","1") = "6"
    & skf18("6","2","2","5","6","8","1") = "7"
    & skf18("6","2","2","5","6","9","1") = "8"
    & skf18("6","2","2","5","6","10","1") = "9"
    & skf18("6","2","2","5","7","1","1") = "6"
    & skf18("6","2","2","5","7","2","1") = "6"
    & skf18("6","2","2","5","7","3","1") = "6"
    & skf18("6","2","2","5","7","4","1") = "6"
    & skf18("6","2","2","5","7","5","1") = "6"
    & skf18("6","2","2","5","7","6","1") = "6"
    & skf18("6","2","2","5","7","7","1") = "6"
    & skf18("6","2","2","5","7","8","1") = "7"
    & skf18("6","2","2","5","7","9","1") = "8"
    & skf18("6","2","2","5","7","10","1") = "9"
    & skf18("6","2","2","5","8","1","1") = "7"
    & skf18("6","2","2","5","8","2","1") = "7"
    & skf18("6","2","2","5","8","3","1") = "7"
    & skf18("6","2","2","5","8","4","1") = "7"
    & skf18("6","2","2","5","8","5","1") = "7"
    & skf18("6","2","2","5","8","6","1") = "7"
    & skf18("6","2","2","5","8","7","1") = "7"
    & skf18("6","2","2","5","8","8","1") = "7"
    & skf18("6","2","2","5","8","9","1") = "8"
    & skf18("6","2","2","5","8","10","1") = "9"
    & skf18("6","2","2","5","9","1","1") = "8"
    & skf18("6","2","2","5","9","2","1") = "8"
    & skf18("6","2","2","5","9","3","1") = "8"
    & skf18("6","2","2","5","9","4","1") = "8"
    & skf18("6","2","2","5","9","5","1") = "8"
    & skf18("6","2","2","5","9","6","1") = "8"
    & skf18("6","2","2","5","9","7","1") = "8"
    & skf18("6","2","2","5","9","8","1") = "8"
    & skf18("6","2","2","5","9","9","1") = "8"
    & skf18("6","2","2","5","9","10","1") = "9"
    & skf18("6","2","2","5","10","1","1") = "9"
    & skf18("6","2","2","5","10","2","1") = "9"
    & skf18("6","2","2","5","10","3","1") = "9"
    & skf18("6","2","2","5","10","4","1") = "9"
    & skf18("6","2","2","5","10","5","1") = "9"
    & skf18("6","2","2","5","10","6","1") = "9"
    & skf18("6","2","2","5","10","7","1") = "9"
    & skf18("6","2","2","5","10","8","1") = "9"
    & skf18("6","2","2","5","10","9","1") = "9"
    & skf18("6","2","2","5","10","10","1") = "9"
    & skf18("6","2","2","6","1","1","1") = "5"
    & skf18("6","2","2","6","1","2","1") = "5"
    & skf18("6","2","2","6","1","3","1") = "5"
    & skf18("6","2","2","6","1","4","1") = "5"
    & skf18("6","2","2","6","1","5","1") = "5"
    & skf18("6","2","2","6","1","6","1") = "5"
    & skf18("6","2","2","6","1","7","1") = "6"
    & skf18("6","2","2","6","1","8","1") = "7"
    & skf18("6","2","2","6","1","9","1") = "8"
    & skf18("6","2","2","6","1","10","1") = "9"
    & skf18("6","2","2","6","2","1","1") = "5"
    & skf18("6","2","2","6","2","2","1") = "5"
    & skf18("6","2","2","6","2","3","1") = "5"
    & skf18("6","2","2","6","2","4","1") = "5"
    & skf18("6","2","2","6","2","5","1") = "5"
    & skf18("6","2","2","6","2","6","1") = "5"
    & skf18("6","2","2","6","2","7","1") = "6"
    & skf18("6","2","2","6","2","8","1") = "7"
    & skf18("6","2","2","6","2","9","1") = "8"
    & skf18("6","2","2","6","2","10","1") = "9"
    & skf18("6","2","2","6","3","1","1") = "5"
    & skf18("6","2","2","6","3","2","1") = "5"
    & skf18("6","2","2","6","3","3","1") = "5"
    & skf18("6","2","2","6","3","4","1") = "5"
    & skf18("6","2","2","6","3","5","1") = "5"
    & skf18("6","2","2","6","3","6","1") = "5"
    & skf18("6","2","2","6","3","7","1") = "6"
    & skf18("6","2","2","6","3","8","1") = "7"
    & skf18("6","2","2","6","3","9","1") = "8"
    & skf18("6","2","2","6","3","10","1") = "9"
    & skf18("6","2","2","6","4","1","1") = "5"
    & skf18("6","2","2","6","4","2","1") = "5"
    & skf18("6","2","2","6","4","3","1") = "5"
    & skf18("6","2","2","6","4","4","1") = "5"
    & skf18("6","2","2","6","4","5","1") = "5"
    & skf18("6","2","2","6","4","6","1") = "5"
    & skf18("6","2","2","6","4","7","1") = "6"
    & skf18("6","2","2","6","4","8","1") = "7"
    & skf18("6","2","2","6","4","9","1") = "8"
    & skf18("6","2","2","6","4","10","1") = "9"
    & skf18("6","2","2","6","5","1","1") = "5"
    & skf18("6","2","2","6","5","2","1") = "5"
    & skf18("6","2","2","6","5","3","1") = "5"
    & skf18("6","2","2","6","5","4","1") = "5"
    & skf18("6","2","2","6","5","5","1") = "5"
    & skf18("6","2","2","6","5","6","1") = "5"
    & skf18("6","2","2","6","5","7","1") = "6"
    & skf18("6","2","2","6","5","8","1") = "7"
    & skf18("6","2","2","6","5","9","1") = "8"
    & skf18("6","2","2","6","5","10","1") = "9"
    & skf18("6","2","2","6","6","1","1") = "5"
    & skf18("6","2","2","6","6","2","1") = "5"
    & skf18("6","2","2","6","6","3","1") = "5"
    & skf18("6","2","2","6","6","4","1") = "5"
    & skf18("6","2","2","6","6","5","1") = "5"
    & skf18("6","2","2","6","6","6","1") = "5"
    & skf18("6","2","2","6","6","7","1") = "6"
    & skf18("6","2","2","6","6","8","1") = "7"
    & skf18("6","2","2","6","6","9","1") = "8"
    & skf18("6","2","2","6","6","10","1") = "9"
    & skf18("6","2","2","6","7","1","1") = "6"
    & skf18("6","2","2","6","7","2","1") = "6"
    & skf18("6","2","2","6","7","3","1") = "6"
    & skf18("6","2","2","6","7","4","1") = "6"
    & skf18("6","2","2","6","7","5","1") = "6"
    & skf18("6","2","2","6","7","6","1") = "6"
    & skf18("6","2","2","6","7","7","1") = "6"
    & skf18("6","2","2","6","7","8","1") = "7"
    & skf18("6","2","2","6","7","9","1") = "8"
    & skf18("6","2","2","6","7","10","1") = "9"
    & skf18("6","2","2","6","8","1","1") = "7"
    & skf18("6","2","2","6","8","2","1") = "7"
    & skf18("6","2","2","6","8","3","1") = "7"
    & skf18("6","2","2","6","8","4","1") = "7"
    & skf18("6","2","2","6","8","5","1") = "7"
    & skf18("6","2","2","6","8","6","1") = "7"
    & skf18("6","2","2","6","8","7","1") = "7"
    & skf18("6","2","2","6","8","8","1") = "7"
    & skf18("6","2","2","6","8","9","1") = "8"
    & skf18("6","2","2","6","8","10","1") = "9"
    & skf18("6","2","2","6","9","1","1") = "8"
    & skf18("6","2","2","6","9","2","1") = "8"
    & skf18("6","2","2","6","9","3","1") = "8"
    & skf18("6","2","2","6","9","4","1") = "8"
    & skf18("6","2","2","6","9","5","1") = "8"
    & skf18("6","2","2","6","9","6","1") = "8"
    & skf18("6","2","2","6","9","7","1") = "8"
    & skf18("6","2","2","6","9","8","1") = "8"
    & skf18("6","2","2","6","9","9","1") = "8"
    & skf18("6","2","2","6","9","10","1") = "9"
    & skf18("6","2","2","6","10","1","1") = "9"
    & skf18("6","2","2","6","10","2","1") = "9"
    & skf18("6","2","2","6","10","3","1") = "9"
    & skf18("6","2","2","6","10","4","1") = "9"
    & skf18("6","2","2","6","10","5","1") = "9"
    & skf18("6","2","2","6","10","6","1") = "9"
    & skf18("6","2","2","6","10","7","1") = "9"
    & skf18("6","2","2","6","10","8","1") = "9"
    & skf18("6","2","2","6","10","9","1") = "9"
    & skf18("6","2","2","6","10","10","1") = "9"
    & skf18("6","2","2","7","1","1","1") = "6"
    & skf18("6","2","2","7","1","2","1") = "6"
    & skf18("6","2","2","7","1","3","1") = "6"
    & skf18("6","2","2","7","1","4","1") = "6"
    & skf18("6","2","2","7","1","5","1") = "6"
    & skf18("6","2","2","7","1","6","1") = "6"
    & skf18("6","2","2","7","1","7","1") = "6"
    & skf18("6","2","2","7","1","8","1") = "7"
    & skf18("6","2","2","7","1","9","1") = "8"
    & skf18("6","2","2","7","1","10","1") = "9"
    & skf18("6","2","2","7","2","1","1") = "6"
    & skf18("6","2","2","7","2","2","1") = "6"
    & skf18("6","2","2","7","2","3","1") = "6"
    & skf18("6","2","2","7","2","4","1") = "6"
    & skf18("6","2","2","7","2","5","1") = "6"
    & skf18("6","2","2","7","2","6","1") = "6"
    & skf18("6","2","2","7","2","7","1") = "6"
    & skf18("6","2","2","7","2","8","1") = "7"
    & skf18("6","2","2","7","2","9","1") = "8"
    & skf18("6","2","2","7","2","10","1") = "9"
    & skf18("6","2","2","7","3","1","1") = "6"
    & skf18("6","2","2","7","3","2","1") = "6"
    & skf18("6","2","2","7","3","3","1") = "6"
    & skf18("6","2","2","7","3","4","1") = "6"
    & skf18("6","2","2","7","3","5","1") = "6"
    & skf18("6","2","2","7","3","6","1") = "6"
    & skf18("6","2","2","7","3","7","1") = "6"
    & skf18("6","2","2","7","3","8","1") = "7"
    & skf18("6","2","2","7","3","9","1") = "8"
    & skf18("6","2","2","7","3","10","1") = "9"
    & skf18("6","2","2","7","4","1","1") = "6"
    & skf18("6","2","2","7","4","2","1") = "6"
    & skf18("6","2","2","7","4","3","1") = "6"
    & skf18("6","2","2","7","4","4","1") = "6"
    & skf18("6","2","2","7","4","5","1") = "6"
    & skf18("6","2","2","7","4","6","1") = "6"
    & skf18("6","2","2","7","4","7","1") = "6"
    & skf18("6","2","2","7","4","8","1") = "7"
    & skf18("6","2","2","7","4","9","1") = "8"
    & skf18("6","2","2","7","4","10","1") = "9"
    & skf18("6","2","2","7","5","1","1") = "6"
    & skf18("6","2","2","7","5","2","1") = "6"
    & skf18("6","2","2","7","5","3","1") = "6"
    & skf18("6","2","2","7","5","4","1") = "6"
    & skf18("6","2","2","7","5","5","1") = "6"
    & skf18("6","2","2","7","5","6","1") = "6"
    & skf18("6","2","2","7","5","7","1") = "6"
    & skf18("6","2","2","7","5","8","1") = "7"
    & skf18("6","2","2","7","5","9","1") = "8"
    & skf18("6","2","2","7","5","10","1") = "9"
    & skf18("6","2","2","7","6","1","1") = "6"
    & skf18("6","2","2","7","6","2","1") = "6"
    & skf18("6","2","2","7","6","3","1") = "6"
    & skf18("6","2","2","7","6","4","1") = "6"
    & skf18("6","2","2","7","6","5","1") = "6"
    & skf18("6","2","2","7","6","6","1") = "6"
    & skf18("6","2","2","7","6","7","1") = "6"
    & skf18("6","2","2","7","6","8","1") = "7"
    & skf18("6","2","2","7","6","9","1") = "8"
    & skf18("6","2","2","7","6","10","1") = "9"
    & skf18("6","2","2","7","7","1","1") = "6"
    & skf18("6","2","2","7","7","2","1") = "6"
    & skf18("6","2","2","7","7","3","1") = "6"
    & skf18("6","2","2","7","7","4","1") = "6"
    & skf18("6","2","2","7","7","5","1") = "6"
    & skf18("6","2","2","7","7","6","1") = "6"
    & skf18("6","2","2","7","7","7","1") = "6"
    & skf18("6","2","2","7","7","8","1") = "7"
    & skf18("6","2","2","7","7","9","1") = "8"
    & skf18("6","2","2","7","7","10","1") = "9"
    & skf18("6","2","2","7","8","1","1") = "7"
    & skf18("6","2","2","7","8","2","1") = "7"
    & skf18("6","2","2","7","8","3","1") = "7"
    & skf18("6","2","2","7","8","4","1") = "7"
    & skf18("6","2","2","7","8","5","1") = "7"
    & skf18("6","2","2","7","8","6","1") = "7"
    & skf18("6","2","2","7","8","7","1") = "7"
    & skf18("6","2","2","7","8","8","1") = "7"
    & skf18("6","2","2","7","8","9","1") = "8"
    & skf18("6","2","2","7","8","10","1") = "9"
    & skf18("6","2","2","7","9","1","1") = "8"
    & skf18("6","2","2","7","9","2","1") = "8"
    & skf18("6","2","2","7","9","3","1") = "8"
    & skf18("6","2","2","7","9","4","1") = "8"
    & skf18("6","2","2","7","9","5","1") = "8"
    & skf18("6","2","2","7","9","6","1") = "8"
    & skf18("6","2","2","7","9","7","1") = "8"
    & skf18("6","2","2","7","9","8","1") = "8"
    & skf18("6","2","2","7","9","9","1") = "8"
    & skf18("6","2","2","7","9","10","1") = "9"
    & skf18("6","2","2","7","10","1","1") = "9"
    & skf18("6","2","2","7","10","2","1") = "9"
    & skf18("6","2","2","7","10","3","1") = "9"
    & skf18("6","2","2","7","10","4","1") = "9"
    & skf18("6","2","2","7","10","5","1") = "9"
    & skf18("6","2","2","7","10","6","1") = "9"
    & skf18("6","2","2","7","10","7","1") = "9"
    & skf18("6","2","2","7","10","8","1") = "9"
    & skf18("6","2","2","7","10","9","1") = "9"
    & skf18("6","2","2","7","10","10","1") = "9"
    & skf18("6","2","2","8","1","1","1") = "7"
    & skf18("6","2","2","8","1","2","1") = "7"
    & skf18("6","2","2","8","1","3","1") = "7"
    & skf18("6","2","2","8","1","4","1") = "7"
    & skf18("6","2","2","8","1","5","1") = "7"
    & skf18("6","2","2","8","1","6","1") = "7"
    & skf18("6","2","2","8","1","7","1") = "7"
    & skf18("6","2","2","8","1","8","1") = "7"
    & skf18("6","2","2","8","1","9","1") = "8"
    & skf18("6","2","2","8","1","10","1") = "9"
    & skf18("6","2","2","8","2","1","1") = "7"
    & skf18("6","2","2","8","2","2","1") = "7"
    & skf18("6","2","2","8","2","3","1") = "7"
    & skf18("6","2","2","8","2","4","1") = "7"
    & skf18("6","2","2","8","2","5","1") = "7"
    & skf18("6","2","2","8","2","6","1") = "7"
    & skf18("6","2","2","8","2","7","1") = "7"
    & skf18("6","2","2","8","2","8","1") = "7"
    & skf18("6","2","2","8","2","9","1") = "8"
    & skf18("6","2","2","8","2","10","1") = "9"
    & skf18("6","2","2","8","3","1","1") = "7"
    & skf18("6","2","2","8","3","2","1") = "7"
    & skf18("6","2","2","8","3","3","1") = "7"
    & skf18("6","2","2","8","3","4","1") = "7"
    & skf18("6","2","2","8","3","5","1") = "7"
    & skf18("6","2","2","8","3","6","1") = "7"
    & skf18("6","2","2","8","3","7","1") = "7"
    & skf18("6","2","2","8","3","8","1") = "7"
    & skf18("6","2","2","8","3","9","1") = "8"
    & skf18("6","2","2","8","3","10","1") = "9"
    & skf18("6","2","2","8","4","1","1") = "7"
    & skf18("6","2","2","8","4","2","1") = "7"
    & skf18("6","2","2","8","4","3","1") = "7"
    & skf18("6","2","2","8","4","4","1") = "7"
    & skf18("6","2","2","8","4","5","1") = "7"
    & skf18("6","2","2","8","4","6","1") = "7"
    & skf18("6","2","2","8","4","7","1") = "7"
    & skf18("6","2","2","8","4","8","1") = "7"
    & skf18("6","2","2","8","4","9","1") = "8"
    & skf18("6","2","2","8","4","10","1") = "9"
    & skf18("6","2","2","8","5","1","1") = "7"
    & skf18("6","2","2","8","5","2","1") = "7"
    & skf18("6","2","2","8","5","3","1") = "7"
    & skf18("6","2","2","8","5","4","1") = "7"
    & skf18("6","2","2","8","5","5","1") = "7"
    & skf18("6","2","2","8","5","6","1") = "7"
    & skf18("6","2","2","8","5","7","1") = "7"
    & skf18("6","2","2","8","5","8","1") = "7"
    & skf18("6","2","2","8","5","9","1") = "8"
    & skf18("6","2","2","8","5","10","1") = "9"
    & skf18("6","2","2","8","6","1","1") = "7"
    & skf18("6","2","2","8","6","2","1") = "7"
    & skf18("6","2","2","8","6","3","1") = "7"
    & skf18("6","2","2","8","6","4","1") = "7"
    & skf18("6","2","2","8","6","5","1") = "7"
    & skf18("6","2","2","8","6","6","1") = "7"
    & skf18("6","2","2","8","6","7","1") = "7"
    & skf18("6","2","2","8","6","8","1") = "7"
    & skf18("6","2","2","8","6","9","1") = "8"
    & skf18("6","2","2","8","6","10","1") = "9"
    & skf18("6","2","2","8","7","1","1") = "7"
    & skf18("6","2","2","8","7","2","1") = "7"
    & skf18("6","2","2","8","7","3","1") = "7"
    & skf18("6","2","2","8","7","4","1") = "7"
    & skf18("6","2","2","8","7","5","1") = "7"
    & skf18("6","2","2","8","7","6","1") = "7"
    & skf18("6","2","2","8","7","7","1") = "7"
    & skf18("6","2","2","8","7","8","1") = "7"
    & skf18("6","2","2","8","7","9","1") = "8"
    & skf18("6","2","2","8","7","10","1") = "9"
    & skf18("6","2","2","8","8","1","1") = "7"
    & skf18("6","2","2","8","8","2","1") = "7"
    & skf18("6","2","2","8","8","3","1") = "7"
    & skf18("6","2","2","8","8","4","1") = "7"
    & skf18("6","2","2","8","8","5","1") = "7"
    & skf18("6","2","2","8","8","6","1") = "7"
    & skf18("6","2","2","8","8","7","1") = "7"
    & skf18("6","2","2","8","8","8","1") = "7"
    & skf18("6","2","2","8","8","9","1") = "8"
    & skf18("6","2","2","8","8","10","1") = "9"
    & skf18("6","2","2","8","9","1","1") = "8"
    & skf18("6","2","2","8","9","2","1") = "8"
    & skf18("6","2","2","8","9","3","1") = "8"
    & skf18("6","2","2","8","9","4","1") = "8"
    & skf18("6","2","2","8","9","5","1") = "8"
    & skf18("6","2","2","8","9","6","1") = "8"
    & skf18("6","2","2","8","9","7","1") = "8"
    & skf18("6","2","2","8","9","8","1") = "8"
    & skf18("6","2","2","8","9","9","1") = "8"
    & skf18("6","2","2","8","9","10","1") = "9"
    & skf18("6","2","2","8","10","1","1") = "9"
    & skf18("6","2","2","8","10","2","1") = "9"
    & skf18("6","2","2","8","10","3","1") = "9"
    & skf18("6","2","2","8","10","4","1") = "9"
    & skf18("6","2","2","8","10","5","1") = "9"
    & skf18("6","2","2","8","10","6","1") = "9"
    & skf18("6","2","2","8","10","7","1") = "9"
    & skf18("6","2","2","8","10","8","1") = "9"
    & skf18("6","2","2","8","10","9","1") = "9"
    & skf18("6","2","2","8","10","10","1") = "9"
    & skf18("6","2","2","9","1","1","1") = "8"
    & skf18("6","2","2","9","1","2","1") = "8"
    & skf18("6","2","2","9","1","3","1") = "8"
    & skf18("6","2","2","9","1","4","1") = "8"
    & skf18("6","2","2","9","1","5","1") = "8"
    & skf18("6","2","2","9","1","6","1") = "8"
    & skf18("6","2","2","9","1","7","1") = "8"
    & skf18("6","2","2","9","1","8","1") = "8"
    & skf18("6","2","2","9","1","9","1") = "8"
    & skf18("6","2","2","9","1","10","1") = "9"
    & skf18("6","2","2","9","2","1","1") = "8"
    & skf18("6","2","2","9","2","2","1") = "8"
    & skf18("6","2","2","9","2","3","1") = "8"
    & skf18("6","2","2","9","2","4","1") = "8"
    & skf18("6","2","2","9","2","5","1") = "8"
    & skf18("6","2","2","9","2","6","1") = "8"
    & skf18("6","2","2","9","2","7","1") = "8"
    & skf18("6","2","2","9","2","8","1") = "8"
    & skf18("6","2","2","9","2","9","1") = "8"
    & skf18("6","2","2","9","2","10","1") = "9"
    & skf18("6","2","2","9","3","1","1") = "8"
    & skf18("6","2","2","9","3","2","1") = "8"
    & skf18("6","2","2","9","3","3","1") = "8"
    & skf18("6","2","2","9","3","4","1") = "8"
    & skf18("6","2","2","9","3","5","1") = "8"
    & skf18("6","2","2","9","3","6","1") = "8"
    & skf18("6","2","2","9","3","7","1") = "8"
    & skf18("6","2","2","9","3","8","1") = "8"
    & skf18("6","2","2","9","3","9","1") = "8"
    & skf18("6","2","2","9","3","10","1") = "9"
    & skf18("6","2","2","9","4","1","1") = "8"
    & skf18("6","2","2","9","4","2","1") = "8"
    & skf18("6","2","2","9","4","3","1") = "8"
    & skf18("6","2","2","9","4","4","1") = "8"
    & skf18("6","2","2","9","4","5","1") = "8"
    & skf18("6","2","2","9","4","6","1") = "8"
    & skf18("6","2","2","9","4","7","1") = "8"
    & skf18("6","2","2","9","4","8","1") = "8"
    & skf18("6","2","2","9","4","9","1") = "8"
    & skf18("6","2","2","9","4","10","1") = "9"
    & skf18("6","2","2","9","5","1","1") = "8"
    & skf18("6","2","2","9","5","2","1") = "8"
    & skf18("6","2","2","9","5","3","1") = "8"
    & skf18("6","2","2","9","5","4","1") = "8"
    & skf18("6","2","2","9","5","5","1") = "8"
    & skf18("6","2","2","9","5","6","1") = "8"
    & skf18("6","2","2","9","5","7","1") = "8"
    & skf18("6","2","2","9","5","8","1") = "8"
    & skf18("6","2","2","9","5","9","1") = "8"
    & skf18("6","2","2","9","5","10","1") = "9"
    & skf18("6","2","2","9","6","1","1") = "8"
    & skf18("6","2","2","9","6","2","1") = "8"
    & skf18("6","2","2","9","6","3","1") = "8"
    & skf18("6","2","2","9","6","4","1") = "8"
    & skf18("6","2","2","9","6","5","1") = "8"
    & skf18("6","2","2","9","6","6","1") = "8"
    & skf18("6","2","2","9","6","7","1") = "8"
    & skf18("6","2","2","9","6","8","1") = "8"
    & skf18("6","2","2","9","6","9","1") = "8"
    & skf18("6","2","2","9","6","10","1") = "9"
    & skf18("6","2","2","9","7","1","1") = "8"
    & skf18("6","2","2","9","7","2","1") = "8"
    & skf18("6","2","2","9","7","3","1") = "8"
    & skf18("6","2","2","9","7","4","1") = "8"
    & skf18("6","2","2","9","7","5","1") = "8"
    & skf18("6","2","2","9","7","6","1") = "8"
    & skf18("6","2","2","9","7","7","1") = "8"
    & skf18("6","2","2","9","7","8","1") = "8"
    & skf18("6","2","2","9","7","9","1") = "8"
    & skf18("6","2","2","9","7","10","1") = "9"
    & skf18("6","2","2","9","8","1","1") = "8"
    & skf18("6","2","2","9","8","2","1") = "8"
    & skf18("6","2","2","9","8","3","1") = "8"
    & skf18("6","2","2","9","8","4","1") = "8"
    & skf18("6","2","2","9","8","5","1") = "8"
    & skf18("6","2","2","9","8","6","1") = "8"
    & skf18("6","2","2","9","8","7","1") = "8"
    & skf18("6","2","2","9","8","8","1") = "8"
    & skf18("6","2","2","9","8","9","1") = "8"
    & skf18("6","2","2","9","8","10","1") = "9"
    & skf18("6","2","2","9","9","1","1") = "8"
    & skf18("6","2","2","9","9","2","1") = "8"
    & skf18("6","2","2","9","9","3","1") = "8"
    & skf18("6","2","2","9","9","4","1") = "8"
    & skf18("6","2","2","9","9","5","1") = "8"
    & skf18("6","2","2","9","9","6","1") = "8"
    & skf18("6","2","2","9","9","7","1") = "8"
    & skf18("6","2","2","9","9","8","1") = "8"
    & skf18("6","2","2","9","9","9","1") = "8"
    & skf18("6","2","2","9","9","10","1") = "9"
    & skf18("6","2","2","9","10","1","1") = "9"
    & skf18("6","2","2","9","10","2","1") = "9"
    & skf18("6","2","2","9","10","3","1") = "9"
    & skf18("6","2","2","9","10","4","1") = "9"
    & skf18("6","2","2","9","10","5","1") = "9"
    & skf18("6","2","2","9","10","6","1") = "9"
    & skf18("6","2","2","9","10","7","1") = "9"
    & skf18("6","2","2","9","10","8","1") = "9"
    & skf18("6","2","2","9","10","9","1") = "9"
    & skf18("6","2","2","9","10","10","1") = "9"
    & skf18("6","2","2","10","1","1","1") = "9"
    & skf18("6","2","2","10","1","2","1") = "9"
    & skf18("6","2","2","10","1","3","1") = "9"
    & skf18("6","2","2","10","1","4","1") = "9"
    & skf18("6","2","2","10","1","5","1") = "9"
    & skf18("6","2","2","10","1","6","1") = "9"
    & skf18("6","2","2","10","1","7","1") = "9"
    & skf18("6","2","2","10","1","8","1") = "9"
    & skf18("6","2","2","10","1","9","1") = "9"
    & skf18("6","2","2","10","1","10","1") = "9"
    & skf18("6","2","2","10","2","1","1") = "9"
    & skf18("6","2","2","10","2","2","1") = "9"
    & skf18("6","2","2","10","2","3","1") = "9"
    & skf18("6","2","2","10","2","4","1") = "9"
    & skf18("6","2","2","10","2","5","1") = "9"
    & skf18("6","2","2","10","2","6","1") = "9"
    & skf18("6","2","2","10","2","7","1") = "9"
    & skf18("6","2","2","10","2","8","1") = "9"
    & skf18("6","2","2","10","2","9","1") = "9"
    & skf18("6","2","2","10","2","10","1") = "9"
    & skf18("6","2","2","10","3","1","1") = "9"
    & skf18("6","2","2","10","3","2","1") = "9"
    & skf18("6","2","2","10","3","3","1") = "9"
    & skf18("6","2","2","10","3","4","1") = "9"
    & skf18("6","2","2","10","3","5","1") = "9"
    & skf18("6","2","2","10","3","6","1") = "9"
    & skf18("6","2","2","10","3","7","1") = "9"
    & skf18("6","2","2","10","3","8","1") = "9"
    & skf18("6","2","2","10","3","9","1") = "9"
    & skf18("6","2","2","10","3","10","1") = "9"
    & skf18("6","2","2","10","4","1","1") = "9"
    & skf18("6","2","2","10","4","2","1") = "9"
    & skf18("6","2","2","10","4","3","1") = "9"
    & skf18("6","2","2","10","4","4","1") = "9"
    & skf18("6","2","2","10","4","5","1") = "9"
    & skf18("6","2","2","10","4","6","1") = "9"
    & skf18("6","2","2","10","4","7","1") = "9"
    & skf18("6","2","2","10","4","8","1") = "9"
    & skf18("6","2","2","10","4","9","1") = "9"
    & skf18("6","2","2","10","4","10","1") = "9"
    & skf18("6","2","2","10","5","1","1") = "9"
    & skf18("6","2","2","10","5","2","1") = "9"
    & skf18("6","2","2","10","5","3","1") = "9"
    & skf18("6","2","2","10","5","4","1") = "9"
    & skf18("6","2","2","10","5","5","1") = "9"
    & skf18("6","2","2","10","5","6","1") = "9"
    & skf18("6","2","2","10","5","7","1") = "9"
    & skf18("6","2","2","10","5","8","1") = "9"
    & skf18("6","2","2","10","5","9","1") = "9"
    & skf18("6","2","2","10","5","10","1") = "9"
    & skf18("6","2","2","10","6","1","1") = "9"
    & skf18("6","2","2","10","6","2","1") = "9"
    & skf18("6","2","2","10","6","3","1") = "9"
    & skf18("6","2","2","10","6","4","1") = "9"
    & skf18("6","2","2","10","6","5","1") = "9"
    & skf18("6","2","2","10","6","6","1") = "9"
    & skf18("6","2","2","10","6","7","1") = "9"
    & skf18("6","2","2","10","6","8","1") = "9"
    & skf18("6","2","2","10","6","9","1") = "9"
    & skf18("6","2","2","10","6","10","1") = "9"
    & skf18("6","2","2","10","7","1","1") = "9"
    & skf18("6","2","2","10","7","2","1") = "9"
    & skf18("6","2","2","10","7","3","1") = "9"
    & skf18("6","2","2","10","7","4","1") = "9"
    & skf18("6","2","2","10","7","5","1") = "9"
    & skf18("6","2","2","10","7","6","1") = "9"
    & skf18("6","2","2","10","7","7","1") = "9"
    & skf18("6","2","2","10","7","8","1") = "9"
    & skf18("6","2","2","10","7","9","1") = "9"
    & skf18("6","2","2","10","7","10","1") = "9"
    & skf18("6","2","2","10","8","1","1") = "9"
    & skf18("6","2","2","10","8","2","1") = "9"
    & skf18("6","2","2","10","8","3","1") = "9"
    & skf18("6","2","2","10","8","4","1") = "9"
    & skf18("6","2","2","10","8","5","1") = "9"
    & skf18("6","2","2","10","8","6","1") = "9"
    & skf18("6","2","2","10","8","7","1") = "9"
    & skf18("6","2","2","10","8","8","1") = "9"
    & skf18("6","2","2","10","8","9","1") = "9"
    & skf18("6","2","2","10","8","10","1") = "9"
    & skf18("6","2","2","10","9","1","1") = "9"
    & skf18("6","2","2","10","9","2","1") = "9"
    & skf18("6","2","2","10","9","3","1") = "9"
    & skf18("6","2","2","10","9","4","1") = "9"
    & skf18("6","2","2","10","9","5","1") = "9"
    & skf18("6","2","2","10","9","6","1") = "9"
    & skf18("6","2","2","10","9","7","1") = "9"
    & skf18("6","2","2","10","9","8","1") = "9"
    & skf18("6","2","2","10","9","9","1") = "9"
    & skf18("6","2","2","10","9","10","1") = "9"
    & skf18("6","2","2","10","10","1","1") = "9"
    & skf18("6","2","2","10","10","2","1") = "9"
    & skf18("6","2","2","10","10","3","1") = "9"
    & skf18("6","2","2","10","10","4","1") = "9"
    & skf18("6","2","2","10","10","5","1") = "9"
    & skf18("6","2","2","10","10","6","1") = "9"
    & skf18("6","2","2","10","10","7","1") = "9"
    & skf18("6","2","2","10","10","8","1") = "9"
    & skf18("6","2","2","10","10","9","1") = "9"
    & skf18("6","2","2","10","10","10","1") = "9"
    & skf18("6","2","3","1","1","1","1") = "5"
    & skf18("6","2","3","1","1","2","1") = "5"
    & skf18("6","2","3","1","1","3","1") = "5"
    & skf18("6","2","3","1","1","4","1") = "5"
    & skf18("6","2","3","1","1","5","1") = "5"
    & skf18("6","2","3","1","1","6","1") = "5"
    & skf18("6","2","3","1","1","7","1") = "6"
    & skf18("6","2","3","1","1","8","1") = "7"
    & skf18("6","2","3","1","1","9","1") = "8"
    & skf18("6","2","3","1","1","10","1") = "9"
    & skf18("6","2","3","1","2","1","1") = "5"
    & skf18("6","2","3","1","2","2","1") = "5"
    & skf18("6","2","3","1","2","3","1") = "5"
    & skf18("6","2","3","1","2","4","1") = "5"
    & skf18("6","2","3","1","2","5","1") = "5"
    & skf18("6","2","3","1","2","6","1") = "5"
    & skf18("6","2","3","1","2","7","1") = "6"
    & skf18("6","2","3","1","2","8","1") = "7"
    & skf18("6","2","3","1","2","9","1") = "8"
    & skf18("6","2","3","1","2","10","1") = "9"
    & skf18("6","2","3","1","3","1","1") = "5"
    & skf18("6","2","3","1","3","2","1") = "5"
    & skf18("6","2","3","1","3","3","1") = "5"
    & skf18("6","2","3","1","3","4","1") = "5"
    & skf18("6","2","3","1","3","5","1") = "5"
    & skf18("6","2","3","1","3","6","1") = "5"
    & skf18("6","2","3","1","3","7","1") = "6"
    & skf18("6","2","3","1","3","8","1") = "7"
    & skf18("6","2","3","1","3","9","1") = "8"
    & skf18("6","2","3","1","3","10","1") = "9"
    & skf18("6","2","3","1","4","1","1") = "5"
    & skf18("6","2","3","1","4","2","1") = "5"
    & skf18("6","2","3","1","4","3","1") = "5"
    & skf18("6","2","3","1","4","4","1") = "5"
    & skf18("6","2","3","1","4","5","1") = "5"
    & skf18("6","2","3","1","4","6","1") = "5"
    & skf18("6","2","3","1","4","7","1") = "6"
    & skf18("6","2","3","1","4","8","1") = "7"
    & skf18("6","2","3","1","4","9","1") = "8"
    & skf18("6","2","3","1","4","10","1") = "9"
    & skf18("6","2","3","1","5","1","1") = "5"
    & skf18("6","2","3","1","5","2","1") = "5"
    & skf18("6","2","3","1","5","3","1") = "5"
    & skf18("6","2","3","1","5","4","1") = "5"
    & skf18("6","2","3","1","5","5","1") = "5"
    & skf18("6","2","3","1","5","6","1") = "5"
    & skf18("6","2","3","1","5","7","1") = "6"
    & skf18("6","2","3","1","5","8","1") = "7"
    & skf18("6","2","3","1","5","9","1") = "8"
    & skf18("6","2","3","1","5","10","1") = "9"
    & skf18("6","2","3","1","6","1","1") = "5"
    & skf18("6","2","3","1","6","2","1") = "5"
    & skf18("6","2","3","1","6","3","1") = "5"
    & skf18("6","2","3","1","6","4","1") = "5"
    & skf18("6","2","3","1","6","5","1") = "5"
    & skf18("6","2","3","1","6","6","1") = "5"
    & skf18("6","2","3","1","6","7","1") = "6"
    & skf18("6","2","3","1","6","8","1") = "7"
    & skf18("6","2","3","1","6","9","1") = "8"
    & skf18("6","2","3","1","6","10","1") = "9"
    & skf18("6","2","3","1","7","1","1") = "6"
    & skf18("6","2","3","1","7","2","1") = "6"
    & skf18("6","2","3","1","7","3","1") = "6"
    & skf18("6","2","3","1","7","4","1") = "6"
    & skf18("6","2","3","1","7","5","1") = "6"
    & skf18("6","2","3","1","7","6","1") = "6"
    & skf18("6","2","3","1","7","7","1") = "6"
    & skf18("6","2","3","1","7","8","1") = "7"
    & skf18("6","2","3","1","7","9","1") = "8"
    & skf18("6","2","3","1","7","10","1") = "9"
    & skf18("6","2","3","1","8","1","1") = "7"
    & skf18("6","2","3","1","8","2","1") = "7"
    & skf18("6","2","3","1","8","3","1") = "7"
    & skf18("6","2","3","1","8","4","1") = "7"
    & skf18("6","2","3","1","8","5","1") = "7"
    & skf18("6","2","3","1","8","6","1") = "7"
    & skf18("6","2","3","1","8","7","1") = "7"
    & skf18("6","2","3","1","8","8","1") = "7"
    & skf18("6","2","3","1","8","9","1") = "8"
    & skf18("6","2","3","1","8","10","1") = "9"
    & skf18("6","2","3","1","9","1","1") = "8"
    & skf18("6","2","3","1","9","2","1") = "8"
    & skf18("6","2","3","1","9","3","1") = "8"
    & skf18("6","2","3","1","9","4","1") = "8"
    & skf18("6","2","3","1","9","5","1") = "8"
    & skf18("6","2","3","1","9","6","1") = "8"
    & skf18("6","2","3","1","9","7","1") = "8"
    & skf18("6","2","3","1","9","8","1") = "8"
    & skf18("6","2","3","1","9","9","1") = "8"
    & skf18("6","2","3","1","9","10","1") = "9"
    & skf18("6","2","3","1","10","1","1") = "9"
    & skf18("6","2","3","1","10","2","1") = "9"
    & skf18("6","2","3","1","10","3","1") = "9"
    & skf18("6","2","3","1","10","4","1") = "9"
    & skf18("6","2","3","1","10","5","1") = "9"
    & skf18("6","2","3","1","10","6","1") = "9"
    & skf18("6","2","3","1","10","7","1") = "9"
    & skf18("6","2","3","1","10","8","1") = "9"
    & skf18("6","2","3","1","10","9","1") = "9"
    & skf18("6","2","3","1","10","10","1") = "9"
    & skf18("6","2","3","2","1","1","1") = "5"
    & skf18("6","2","3","2","1","2","1") = "5"
    & skf18("6","2","3","2","1","3","1") = "5"
    & skf18("6","2","3","2","1","4","1") = "5"
    & skf18("6","2","3","2","1","5","1") = "5"
    & skf18("6","2","3","2","1","6","1") = "5"
    & skf18("6","2","3","2","1","7","1") = "6"
    & skf18("6","2","3","2","1","8","1") = "7"
    & skf18("6","2","3","2","1","9","1") = "8"
    & skf18("6","2","3","2","1","10","1") = "9"
    & skf18("6","2","3","2","2","1","1") = "5"
    & skf18("6","2","3","2","2","2","1") = "5"
    & skf18("6","2","3","2","2","3","1") = "5"
    & skf18("6","2","3","2","2","4","1") = "5"
    & skf18("6","2","3","2","2","5","1") = "5"
    & skf18("6","2","3","2","2","6","1") = "5"
    & skf18("6","2","3","2","2","7","1") = "6"
    & skf18("6","2","3","2","2","8","1") = "7"
    & skf18("6","2","3","2","2","9","1") = "8"
    & skf18("6","2","3","2","2","10","1") = "9"
    & skf18("6","2","3","2","3","1","1") = "5"
    & skf18("6","2","3","2","3","2","1") = "5"
    & skf18("6","2","3","2","3","3","1") = "5"
    & skf18("6","2","3","2","3","4","1") = "5"
    & skf18("6","2","3","2","3","5","1") = "5"
    & skf18("6","2","3","2","3","6","1") = "5"
    & skf18("6","2","3","2","3","7","1") = "6"
    & skf18("6","2","3","2","3","8","1") = "7"
    & skf18("6","2","3","2","3","9","1") = "8"
    & skf18("6","2","3","2","3","10","1") = "9"
    & skf18("6","2","3","2","4","1","1") = "5"
    & skf18("6","2","3","2","4","2","1") = "5"
    & skf18("6","2","3","2","4","3","1") = "5"
    & skf18("6","2","3","2","4","4","1") = "5"
    & skf18("6","2","3","2","4","5","1") = "5"
    & skf18("6","2","3","2","4","6","1") = "5"
    & skf18("6","2","3","2","4","7","1") = "6"
    & skf18("6","2","3","2","4","8","1") = "7"
    & skf18("6","2","3","2","4","9","1") = "8"
    & skf18("6","2","3","2","4","10","1") = "9"
    & skf18("6","2","3","2","5","1","1") = "5"
    & skf18("6","2","3","2","5","2","1") = "5"
    & skf18("6","2","3","2","5","3","1") = "5"
    & skf18("6","2","3","2","5","4","1") = "5"
    & skf18("6","2","3","2","5","5","1") = "5"
    & skf18("6","2","3","2","5","6","1") = "5"
    & skf18("6","2","3","2","5","7","1") = "6"
    & skf18("6","2","3","2","5","8","1") = "7"
    & skf18("6","2","3","2","5","9","1") = "8"
    & skf18("6","2","3","2","5","10","1") = "9"
    & skf18("6","2","3","2","6","1","1") = "5"
    & skf18("6","2","3","2","6","2","1") = "5"
    & skf18("6","2","3","2","6","3","1") = "5"
    & skf18("6","2","3","2","6","4","1") = "5"
    & skf18("6","2","3","2","6","5","1") = "5"
    & skf18("6","2","3","2","6","6","1") = "5"
    & skf18("6","2","3","2","6","7","1") = "6"
    & skf18("6","2","3","2","6","8","1") = "7"
    & skf18("6","2","3","2","6","9","1") = "8"
    & skf18("6","2","3","2","6","10","1") = "9"
    & skf18("6","2","3","2","7","1","1") = "6"
    & skf18("6","2","3","2","7","2","1") = "6"
    & skf18("6","2","3","2","7","3","1") = "6"
    & skf18("6","2","3","2","7","4","1") = "6"
    & skf18("6","2","3","2","7","5","1") = "6"
    & skf18("6","2","3","2","7","6","1") = "6"
    & skf18("6","2","3","2","7","7","1") = "6"
    & skf18("6","2","3","2","7","8","1") = "7"
    & skf18("6","2","3","2","7","9","1") = "8"
    & skf18("6","2","3","2","7","10","1") = "9"
    & skf18("6","2","3","2","8","1","1") = "7"
    & skf18("6","2","3","2","8","2","1") = "7"
    & skf18("6","2","3","2","8","3","1") = "7"
    & skf18("6","2","3","2","8","4","1") = "7"
    & skf18("6","2","3","2","8","5","1") = "7"
    & skf18("6","2","3","2","8","6","1") = "7"
    & skf18("6","2","3","2","8","7","1") = "7"
    & skf18("6","2","3","2","8","8","1") = "7"
    & skf18("6","2","3","2","8","9","1") = "8"
    & skf18("6","2","3","2","8","10","1") = "9"
    & skf18("6","2","3","2","9","1","1") = "8"
    & skf18("6","2","3","2","9","2","1") = "8"
    & skf18("6","2","3","2","9","3","1") = "8"
    & skf18("6","2","3","2","9","4","1") = "8"
    & skf18("6","2","3","2","9","5","1") = "8"
    & skf18("6","2","3","2","9","6","1") = "8"
    & skf18("6","2","3","2","9","7","1") = "8"
    & skf18("6","2","3","2","9","8","1") = "8"
    & skf18("6","2","3","2","9","9","1") = "8"
    & skf18("6","2","3","2","9","10","1") = "9"
    & skf18("6","2","3","2","10","1","1") = "9"
    & skf18("6","2","3","2","10","2","1") = "9"
    & skf18("6","2","3","2","10","3","1") = "9"
    & skf18("6","2","3","2","10","4","1") = "9"
    & skf18("6","2","3","2","10","5","1") = "9"
    & skf18("6","2","3","2","10","6","1") = "9"
    & skf18("6","2","3","2","10","7","1") = "9"
    & skf18("6","2","3","2","10","8","1") = "9"
    & skf18("6","2","3","2","10","9","1") = "9"
    & skf18("6","2","3","2","10","10","1") = "9"
    & skf18("6","2","3","3","1","1","1") = "5"
    & skf18("6","2","3","3","1","2","1") = "5"
    & skf18("6","2","3","3","1","3","1") = "5"
    & skf18("6","2","3","3","1","4","1") = "5"
    & skf18("6","2","3","3","1","5","1") = "5"
    & skf18("6","2","3","3","1","6","1") = "5"
    & skf18("6","2","3","3","1","7","1") = "6"
    & skf18("6","2","3","3","1","8","1") = "7"
    & skf18("6","2","3","3","1","9","1") = "8"
    & skf18("6","2","3","3","1","10","1") = "9"
    & skf18("6","2","3","3","2","1","1") = "5"
    & skf18("6","2","3","3","2","2","1") = "5"
    & skf18("6","2","3","3","2","3","1") = "5"
    & skf18("6","2","3","3","2","4","1") = "5"
    & skf18("6","2","3","3","2","5","1") = "5"
    & skf18("6","2","3","3","2","6","1") = "5"
    & skf18("6","2","3","3","2","7","1") = "6"
    & skf18("6","2","3","3","2","8","1") = "7"
    & skf18("6","2","3","3","2","9","1") = "8"
    & skf18("6","2","3","3","2","10","1") = "9"
    & skf18("6","2","3","3","3","1","1") = "5"
    & skf18("6","2","3","3","3","2","1") = "5"
    & skf18("6","2","3","3","3","3","1") = "5"
    & skf18("6","2","3","3","3","4","1") = "5"
    & skf18("6","2","3","3","3","5","1") = "5"
    & skf18("6","2","3","3","3","6","1") = "5"
    & skf18("6","2","3","3","3","7","1") = "6"
    & skf18("6","2","3","3","3","8","1") = "7"
    & skf18("6","2","3","3","3","9","1") = "8"
    & skf18("6","2","3","3","3","10","1") = "9"
    & skf18("6","2","3","3","4","1","1") = "5"
    & skf18("6","2","3","3","4","2","1") = "5"
    & skf18("6","2","3","3","4","3","1") = "5"
    & skf18("6","2","3","3","4","4","1") = "5"
    & skf18("6","2","3","3","4","5","1") = "5"
    & skf18("6","2","3","3","4","6","1") = "5"
    & skf18("6","2","3","3","4","7","1") = "6"
    & skf18("6","2","3","3","4","8","1") = "7"
    & skf18("6","2","3","3","4","9","1") = "8"
    & skf18("6","2","3","3","4","10","1") = "9"
    & skf18("6","2","3","3","5","1","1") = "5"
    & skf18("6","2","3","3","5","2","1") = "5"
    & skf18("6","2","3","3","5","3","1") = "5"
    & skf18("6","2","3","3","5","4","1") = "5"
    & skf18("6","2","3","3","5","5","1") = "5"
    & skf18("6","2","3","3","5","6","1") = "5"
    & skf18("6","2","3","3","5","7","1") = "6"
    & skf18("6","2","3","3","5","8","1") = "7"
    & skf18("6","2","3","3","5","9","1") = "8"
    & skf18("6","2","3","3","5","10","1") = "9"
    & skf18("6","2","3","3","6","1","1") = "5"
    & skf18("6","2","3","3","6","2","1") = "5"
    & skf18("6","2","3","3","6","3","1") = "5"
    & skf18("6","2","3","3","6","4","1") = "5"
    & skf18("6","2","3","3","6","5","1") = "5"
    & skf18("6","2","3","3","6","6","1") = "5"
    & skf18("6","2","3","3","6","7","1") = "6"
    & skf18("6","2","3","3","6","8","1") = "7"
    & skf18("6","2","3","3","6","9","1") = "8"
    & skf18("6","2","3","3","6","10","1") = "9"
    & skf18("6","2","3","3","7","1","1") = "6"
    & skf18("6","2","3","3","7","2","1") = "6"
    & skf18("6","2","3","3","7","3","1") = "6"
    & skf18("6","2","3","3","7","4","1") = "6"
    & skf18("6","2","3","3","7","5","1") = "6"
    & skf18("6","2","3","3","7","6","1") = "6"
    & skf18("6","2","3","3","7","7","1") = "6"
    & skf18("6","2","3","3","7","8","1") = "7"
    & skf18("6","2","3","3","7","9","1") = "8"
    & skf18("6","2","3","3","7","10","1") = "9"
    & skf18("6","2","3","3","8","1","1") = "7"
    & skf18("6","2","3","3","8","2","1") = "7"
    & skf18("6","2","3","3","8","3","1") = "7"
    & skf18("6","2","3","3","8","4","1") = "7"
    & skf18("6","2","3","3","8","5","1") = "7"
    & skf18("6","2","3","3","8","6","1") = "7"
    & skf18("6","2","3","3","8","7","1") = "7"
    & skf18("6","2","3","3","8","8","1") = "7"
    & skf18("6","2","3","3","8","9","1") = "8"
    & skf18("6","2","3","3","8","10","1") = "9"
    & skf18("6","2","3","3","9","1","1") = "8"
    & skf18("6","2","3","3","9","2","1") = "8"
    & skf18("6","2","3","3","9","3","1") = "8"
    & skf18("6","2","3","3","9","4","1") = "8"
    & skf18("6","2","3","3","9","5","1") = "8"
    & skf18("6","2","3","3","9","6","1") = "8"
    & skf18("6","2","3","3","9","7","1") = "8"
    & skf18("6","2","3","3","9","8","1") = "8"
    & skf18("6","2","3","3","9","9","1") = "8"
    & skf18("6","2","3","3","9","10","1") = "9"
    & skf18("6","2","3","3","10","1","1") = "9"
    & skf18("6","2","3","3","10","2","1") = "9"
    & skf18("6","2","3","3","10","3","1") = "9"
    & skf18("6","2","3","3","10","4","1") = "9"
    & skf18("6","2","3","3","10","5","1") = "9"
    & skf18("6","2","3","3","10","6","1") = "9"
    & skf18("6","2","3","3","10","7","1") = "9"
    & skf18("6","2","3","3","10","8","1") = "9"
    & skf18("6","2","3","3","10","9","1") = "9"
    & skf18("6","2","3","3","10","10","1") = "9"
    & skf18("6","2","3","4","1","1","1") = "5"
    & skf18("6","2","3","4","1","2","1") = "5"
    & skf18("6","2","3","4","1","3","1") = "5"
    & skf18("6","2","3","4","1","4","1") = "5"
    & skf18("6","2","3","4","1","5","1") = "5"
    & skf18("6","2","3","4","1","6","1") = "5"
    & skf18("6","2","3","4","1","7","1") = "6"
    & skf18("6","2","3","4","1","8","1") = "7"
    & skf18("6","2","3","4","1","9","1") = "8"
    & skf18("6","2","3","4","1","10","1") = "9"
    & skf18("6","2","3","4","2","1","1") = "5"
    & skf18("6","2","3","4","2","2","1") = "5"
    & skf18("6","2","3","4","2","3","1") = "5"
    & skf18("6","2","3","4","2","4","1") = "5"
    & skf18("6","2","3","4","2","5","1") = "5"
    & skf18("6","2","3","4","2","6","1") = "5"
    & skf18("6","2","3","4","2","7","1") = "6"
    & skf18("6","2","3","4","2","8","1") = "7"
    & skf18("6","2","3","4","2","9","1") = "8"
    & skf18("6","2","3","4","2","10","1") = "9"
    & skf18("6","2","3","4","3","1","1") = "5"
    & skf18("6","2","3","4","3","2","1") = "5"
    & skf18("6","2","3","4","3","3","1") = "5"
    & skf18("6","2","3","4","3","4","1") = "5"
    & skf18("6","2","3","4","3","5","1") = "5"
    & skf18("6","2","3","4","3","6","1") = "5"
    & skf18("6","2","3","4","3","7","1") = "6"
    & skf18("6","2","3","4","3","8","1") = "7"
    & skf18("6","2","3","4","3","9","1") = "8"
    & skf18("6","2","3","4","3","10","1") = "9"
    & skf18("6","2","3","4","4","1","1") = "5"
    & skf18("6","2","3","4","4","2","1") = "5"
    & skf18("6","2","3","4","4","3","1") = "5"
    & skf18("6","2","3","4","4","4","1") = "5"
    & skf18("6","2","3","4","4","5","1") = "5"
    & skf18("6","2","3","4","4","6","1") = "5"
    & skf18("6","2","3","4","4","7","1") = "6"
    & skf18("6","2","3","4","4","8","1") = "7"
    & skf18("6","2","3","4","4","9","1") = "8"
    & skf18("6","2","3","4","4","10","1") = "9"
    & skf18("6","2","3","4","5","1","1") = "5"
    & skf18("6","2","3","4","5","2","1") = "5"
    & skf18("6","2","3","4","5","3","1") = "5"
    & skf18("6","2","3","4","5","4","1") = "5"
    & skf18("6","2","3","4","5","5","1") = "5"
    & skf18("6","2","3","4","5","6","1") = "5"
    & skf18("6","2","3","4","5","7","1") = "6"
    & skf18("6","2","3","4","5","8","1") = "7"
    & skf18("6","2","3","4","5","9","1") = "8"
    & skf18("6","2","3","4","5","10","1") = "9"
    & skf18("6","2","3","4","6","1","1") = "5"
    & skf18("6","2","3","4","6","2","1") = "5"
    & skf18("6","2","3","4","6","3","1") = "5"
    & skf18("6","2","3","4","6","4","1") = "5"
    & skf18("6","2","3","4","6","5","1") = "5"
    & skf18("6","2","3","4","6","6","1") = "5"
    & skf18("6","2","3","4","6","7","1") = "6"
    & skf18("6","2","3","4","6","8","1") = "7"
    & skf18("6","2","3","4","6","9","1") = "8"
    & skf18("6","2","3","4","6","10","1") = "9"
    & skf18("6","2","3","4","7","1","1") = "6"
    & skf18("6","2","3","4","7","2","1") = "6"
    & skf18("6","2","3","4","7","3","1") = "6"
    & skf18("6","2","3","4","7","4","1") = "6"
    & skf18("6","2","3","4","7","5","1") = "6"
    & skf18("6","2","3","4","7","6","1") = "6"
    & skf18("6","2","3","4","7","7","1") = "6"
    & skf18("6","2","3","4","7","8","1") = "7"
    & skf18("6","2","3","4","7","9","1") = "8"
    & skf18("6","2","3","4","7","10","1") = "9"
    & skf18("6","2","3","4","8","1","1") = "7"
    & skf18("6","2","3","4","8","2","1") = "7"
    & skf18("6","2","3","4","8","3","1") = "7"
    & skf18("6","2","3","4","8","4","1") = "7"
    & skf18("6","2","3","4","8","5","1") = "7"
    & skf18("6","2","3","4","8","6","1") = "7"
    & skf18("6","2","3","4","8","7","1") = "7"
    & skf18("6","2","3","4","8","8","1") = "7"
    & skf18("6","2","3","4","8","9","1") = "8"
    & skf18("6","2","3","4","8","10","1") = "9"
    & skf18("6","2","3","4","9","1","1") = "8"
    & skf18("6","2","3","4","9","2","1") = "8"
    & skf18("6","2","3","4","9","3","1") = "8"
    & skf18("6","2","3","4","9","4","1") = "8"
    & skf18("6","2","3","4","9","5","1") = "8"
    & skf18("6","2","3","4","9","6","1") = "8"
    & skf18("6","2","3","4","9","7","1") = "8"
    & skf18("6","2","3","4","9","8","1") = "8"
    & skf18("6","2","3","4","9","9","1") = "8"
    & skf18("6","2","3","4","9","10","1") = "9"
    & skf18("6","2","3","4","10","1","1") = "9"
    & skf18("6","2","3","4","10","2","1") = "9"
    & skf18("6","2","3","4","10","3","1") = "9"
    & skf18("6","2","3","4","10","4","1") = "9"
    & skf18("6","2","3","4","10","5","1") = "9"
    & skf18("6","2","3","4","10","6","1") = "9"
    & skf18("6","2","3","4","10","7","1") = "9"
    & skf18("6","2","3","4","10","8","1") = "9"
    & skf18("6","2","3","4","10","9","1") = "9"
    & skf18("6","2","3","4","10","10","1") = "9"
    & skf18("6","2","3","5","1","1","1") = "5"
    & skf18("6","2","3","5","1","2","1") = "5"
    & skf18("6","2","3","5","1","3","1") = "5"
    & skf18("6","2","3","5","1","4","1") = "5"
    & skf18("6","2","3","5","1","5","1") = "5"
    & skf18("6","2","3","5","1","6","1") = "5"
    & skf18("6","2","3","5","1","7","1") = "6"
    & skf18("6","2","3","5","1","8","1") = "7"
    & skf18("6","2","3","5","1","9","1") = "8"
    & skf18("6","2","3","5","1","10","1") = "9"
    & skf18("6","2","3","5","2","1","1") = "5"
    & skf18("6","2","3","5","2","2","1") = "5"
    & skf18("6","2","3","5","2","3","1") = "5"
    & skf18("6","2","3","5","2","4","1") = "5"
    & skf18("6","2","3","5","2","5","1") = "5"
    & skf18("6","2","3","5","2","6","1") = "5"
    & skf18("6","2","3","5","2","7","1") = "6"
    & skf18("6","2","3","5","2","8","1") = "7"
    & skf18("6","2","3","5","2","9","1") = "8"
    & skf18("6","2","3","5","2","10","1") = "9"
    & skf18("6","2","3","5","3","1","1") = "5"
    & skf18("6","2","3","5","3","2","1") = "5"
    & skf18("6","2","3","5","3","3","1") = "5"
    & skf18("6","2","3","5","3","4","1") = "5"
    & skf18("6","2","3","5","3","5","1") = "5"
    & skf18("6","2","3","5","3","6","1") = "5"
    & skf18("6","2","3","5","3","7","1") = "6"
    & skf18("6","2","3","5","3","8","1") = "7"
    & skf18("6","2","3","5","3","9","1") = "8"
    & skf18("6","2","3","5","3","10","1") = "9"
    & skf18("6","2","3","5","4","1","1") = "5"
    & skf18("6","2","3","5","4","2","1") = "5"
    & skf18("6","2","3","5","4","3","1") = "5"
    & skf18("6","2","3","5","4","4","1") = "5"
    & skf18("6","2","3","5","4","5","1") = "5"
    & skf18("6","2","3","5","4","6","1") = "5"
    & skf18("6","2","3","5","4","7","1") = "6"
    & skf18("6","2","3","5","4","8","1") = "7"
    & skf18("6","2","3","5","4","9","1") = "8"
    & skf18("6","2","3","5","4","10","1") = "9"
    & skf18("6","2","3","5","5","1","1") = "5"
    & skf18("6","2","3","5","5","2","1") = "5"
    & skf18("6","2","3","5","5","3","1") = "5"
    & skf18("6","2","3","5","5","4","1") = "5"
    & skf18("6","2","3","5","5","5","1") = "5"
    & skf18("6","2","3","5","5","6","1") = "5"
    & skf18("6","2","3","5","5","7","1") = "6"
    & skf18("6","2","3","5","5","8","1") = "7"
    & skf18("6","2","3","5","5","9","1") = "8"
    & skf18("6","2","3","5","5","10","1") = "9"
    & skf18("6","2","3","5","6","1","1") = "5"
    & skf18("6","2","3","5","6","2","1") = "5"
    & skf18("6","2","3","5","6","3","1") = "5"
    & skf18("6","2","3","5","6","4","1") = "5"
    & skf18("6","2","3","5","6","5","1") = "5"
    & skf18("6","2","3","5","6","6","1") = "5"
    & skf18("6","2","3","5","6","7","1") = "6"
    & skf18("6","2","3","5","6","8","1") = "7"
    & skf18("6","2","3","5","6","9","1") = "8"
    & skf18("6","2","3","5","6","10","1") = "9"
    & skf18("6","2","3","5","7","1","1") = "6"
    & skf18("6","2","3","5","7","2","1") = "6"
    & skf18("6","2","3","5","7","3","1") = "6"
    & skf18("6","2","3","5","7","4","1") = "6"
    & skf18("6","2","3","5","7","5","1") = "6"
    & skf18("6","2","3","5","7","6","1") = "6"
    & skf18("6","2","3","5","7","7","1") = "6"
    & skf18("6","2","3","5","7","8","1") = "7"
    & skf18("6","2","3","5","7","9","1") = "8"
    & skf18("6","2","3","5","7","10","1") = "9"
    & skf18("6","2","3","5","8","1","1") = "7"
    & skf18("6","2","3","5","8","2","1") = "7"
    & skf18("6","2","3","5","8","3","1") = "7"
    & skf18("6","2","3","5","8","4","1") = "7"
    & skf18("6","2","3","5","8","5","1") = "7"
    & skf18("6","2","3","5","8","6","1") = "7"
    & skf18("6","2","3","5","8","7","1") = "7"
    & skf18("6","2","3","5","8","8","1") = "7"
    & skf18("6","2","3","5","8","9","1") = "8"
    & skf18("6","2","3","5","8","10","1") = "9"
    & skf18("6","2","3","5","9","1","1") = "8"
    & skf18("6","2","3","5","9","2","1") = "8"
    & skf18("6","2","3","5","9","3","1") = "8"
    & skf18("6","2","3","5","9","4","1") = "8"
    & skf18("6","2","3","5","9","5","1") = "8"
    & skf18("6","2","3","5","9","6","1") = "8"
    & skf18("6","2","3","5","9","7","1") = "8"
    & skf18("6","2","3","5","9","8","1") = "8"
    & skf18("6","2","3","5","9","9","1") = "8"
    & skf18("6","2","3","5","9","10","1") = "9"
    & skf18("6","2","3","5","10","1","1") = "9"
    & skf18("6","2","3","5","10","2","1") = "9"
    & skf18("6","2","3","5","10","3","1") = "9"
    & skf18("6","2","3","5","10","4","1") = "9"
    & skf18("6","2","3","5","10","5","1") = "9"
    & skf18("6","2","3","5","10","6","1") = "9"
    & skf18("6","2","3","5","10","7","1") = "9"
    & skf18("6","2","3","5","10","8","1") = "9"
    & skf18("6","2","3","5","10","9","1") = "9"
    & skf18("6","2","3","5","10","10","1") = "9"
    & skf18("6","2","3","6","1","1","1") = "5"
    & skf18("6","2","3","6","1","2","1") = "5"
    & skf18("6","2","3","6","1","3","1") = "5"
    & skf18("6","2","3","6","1","4","1") = "5"
    & skf18("6","2","3","6","1","5","1") = "5"
    & skf18("6","2","3","6","1","6","1") = "5"
    & skf18("6","2","3","6","1","7","1") = "6"
    & skf18("6","2","3","6","1","8","1") = "7"
    & skf18("6","2","3","6","1","9","1") = "8"
    & skf18("6","2","3","6","1","10","1") = "9"
    & skf18("6","2","3","6","2","1","1") = "5"
    & skf18("6","2","3","6","2","2","1") = "5"
    & skf18("6","2","3","6","2","3","1") = "5"
    & skf18("6","2","3","6","2","4","1") = "5"
    & skf18("6","2","3","6","2","5","1") = "5"
    & skf18("6","2","3","6","2","6","1") = "5"
    & skf18("6","2","3","6","2","7","1") = "6"
    & skf18("6","2","3","6","2","8","1") = "7"
    & skf18("6","2","3","6","2","9","1") = "8"
    & skf18("6","2","3","6","2","10","1") = "9"
    & skf18("6","2","3","6","3","1","1") = "5"
    & skf18("6","2","3","6","3","2","1") = "5"
    & skf18("6","2","3","6","3","3","1") = "5"
    & skf18("6","2","3","6","3","4","1") = "5"
    & skf18("6","2","3","6","3","5","1") = "5"
    & skf18("6","2","3","6","3","6","1") = "5"
    & skf18("6","2","3","6","3","7","1") = "6"
    & skf18("6","2","3","6","3","8","1") = "7"
    & skf18("6","2","3","6","3","9","1") = "8"
    & skf18("6","2","3","6","3","10","1") = "9"
    & skf18("6","2","3","6","4","1","1") = "5"
    & skf18("6","2","3","6","4","2","1") = "5"
    & skf18("6","2","3","6","4","3","1") = "5"
    & skf18("6","2","3","6","4","4","1") = "5"
    & skf18("6","2","3","6","4","5","1") = "5"
    & skf18("6","2","3","6","4","6","1") = "5"
    & skf18("6","2","3","6","4","7","1") = "6"
    & skf18("6","2","3","6","4","8","1") = "7"
    & skf18("6","2","3","6","4","9","1") = "8"
    & skf18("6","2","3","6","4","10","1") = "9"
    & skf18("6","2","3","6","5","1","1") = "5"
    & skf18("6","2","3","6","5","2","1") = "5"
    & skf18("6","2","3","6","5","3","1") = "5"
    & skf18("6","2","3","6","5","4","1") = "5"
    & skf18("6","2","3","6","5","5","1") = "5"
    & skf18("6","2","3","6","5","6","1") = "5"
    & skf18("6","2","3","6","5","7","1") = "6"
    & skf18("6","2","3","6","5","8","1") = "7"
    & skf18("6","2","3","6","5","9","1") = "8"
    & skf18("6","2","3","6","5","10","1") = "9"
    & skf18("6","2","3","6","6","1","1") = "5"
    & skf18("6","2","3","6","6","2","1") = "5"
    & skf18("6","2","3","6","6","3","1") = "5"
    & skf18("6","2","3","6","6","4","1") = "5"
    & skf18("6","2","3","6","6","5","1") = "5"
    & skf18("6","2","3","6","6","6","1") = "5"
    & skf18("6","2","3","6","6","7","1") = "6"
    & skf18("6","2","3","6","6","8","1") = "7"
    & skf18("6","2","3","6","6","9","1") = "8"
    & skf18("6","2","3","6","6","10","1") = "9"
    & skf18("6","2","3","6","7","1","1") = "6"
    & skf18("6","2","3","6","7","2","1") = "6"
    & skf18("6","2","3","6","7","3","1") = "6"
    & skf18("6","2","3","6","7","4","1") = "6"
    & skf18("6","2","3","6","7","5","1") = "6"
    & skf18("6","2","3","6","7","6","1") = "6"
    & skf18("6","2","3","6","7","7","1") = "6"
    & skf18("6","2","3","6","7","8","1") = "7"
    & skf18("6","2","3","6","7","9","1") = "8"
    & skf18("6","2","3","6","7","10","1") = "9"
    & skf18("6","2","3","6","8","1","1") = "7"
    & skf18("6","2","3","6","8","2","1") = "7"
    & skf18("6","2","3","6","8","3","1") = "7"
    & skf18("6","2","3","6","8","4","1") = "7"
    & skf18("6","2","3","6","8","5","1") = "7"
    & skf18("6","2","3","6","8","6","1") = "7"
    & skf18("6","2","3","6","8","7","1") = "7"
    & skf18("6","2","3","6","8","8","1") = "7"
    & skf18("6","2","3","6","8","9","1") = "8"
    & skf18("6","2","3","6","8","10","1") = "9"
    & skf18("6","2","3","6","9","1","1") = "8"
    & skf18("6","2","3","6","9","2","1") = "8"
    & skf18("6","2","3","6","9","3","1") = "8"
    & skf18("6","2","3","6","9","4","1") = "8"
    & skf18("6","2","3","6","9","5","1") = "8"
    & skf18("6","2","3","6","9","6","1") = "8"
    & skf18("6","2","3","6","9","7","1") = "8"
    & skf18("6","2","3","6","9","8","1") = "8"
    & skf18("6","2","3","6","9","9","1") = "8"
    & skf18("6","2","3","6","9","10","1") = "9"
    & skf18("6","2","3","6","10","1","1") = "9"
    & skf18("6","2","3","6","10","2","1") = "9"
    & skf18("6","2","3","6","10","3","1") = "9"
    & skf18("6","2","3","6","10","4","1") = "9"
    & skf18("6","2","3","6","10","5","1") = "9"
    & skf18("6","2","3","6","10","6","1") = "9"
    & skf18("6","2","3","6","10","7","1") = "9"
    & skf18("6","2","3","6","10","8","1") = "9"
    & skf18("6","2","3","6","10","9","1") = "9"
    & skf18("6","2","3","6","10","10","1") = "9"
    & skf18("6","2","3","7","1","1","1") = "6"
    & skf18("6","2","3","7","1","2","1") = "6"
    & skf18("6","2","3","7","1","3","1") = "6"
    & skf18("6","2","3","7","1","4","1") = "6"
    & skf18("6","2","3","7","1","5","1") = "6"
    & skf18("6","2","3","7","1","6","1") = "6"
    & skf18("6","2","3","7","1","7","1") = "6"
    & skf18("6","2","3","7","1","8","1") = "7"
    & skf18("6","2","3","7","1","9","1") = "8"
    & skf18("6","2","3","7","1","10","1") = "9"
    & skf18("6","2","3","7","2","1","1") = "6"
    & skf18("6","2","3","7","2","2","1") = "6"
    & skf18("6","2","3","7","2","3","1") = "6"
    & skf18("6","2","3","7","2","4","1") = "6"
    & skf18("6","2","3","7","2","5","1") = "6"
    & skf18("6","2","3","7","2","6","1") = "6"
    & skf18("6","2","3","7","2","7","1") = "6"
    & skf18("6","2","3","7","2","8","1") = "7"
    & skf18("6","2","3","7","2","9","1") = "8"
    & skf18("6","2","3","7","2","10","1") = "9"
    & skf18("6","2","3","7","3","1","1") = "6"
    & skf18("6","2","3","7","3","2","1") = "6"
    & skf18("6","2","3","7","3","3","1") = "6"
    & skf18("6","2","3","7","3","4","1") = "6"
    & skf18("6","2","3","7","3","5","1") = "6"
    & skf18("6","2","3","7","3","6","1") = "6"
    & skf18("6","2","3","7","3","7","1") = "6"
    & skf18("6","2","3","7","3","8","1") = "7"
    & skf18("6","2","3","7","3","9","1") = "8"
    & skf18("6","2","3","7","3","10","1") = "9"
    & skf18("6","2","3","7","4","1","1") = "6"
    & skf18("6","2","3","7","4","2","1") = "6"
    & skf18("6","2","3","7","4","3","1") = "6"
    & skf18("6","2","3","7","4","4","1") = "6"
    & skf18("6","2","3","7","4","5","1") = "6"
    & skf18("6","2","3","7","4","6","1") = "6"
    & skf18("6","2","3","7","4","7","1") = "6"
    & skf18("6","2","3","7","4","8","1") = "7"
    & skf18("6","2","3","7","4","9","1") = "8"
    & skf18("6","2","3","7","4","10","1") = "9"
    & skf18("6","2","3","7","5","1","1") = "6"
    & skf18("6","2","3","7","5","2","1") = "6"
    & skf18("6","2","3","7","5","3","1") = "6"
    & skf18("6","2","3","7","5","4","1") = "6"
    & skf18("6","2","3","7","5","5","1") = "6"
    & skf18("6","2","3","7","5","6","1") = "6"
    & skf18("6","2","3","7","5","7","1") = "6"
    & skf18("6","2","3","7","5","8","1") = "7"
    & skf18("6","2","3","7","5","9","1") = "8"
    & skf18("6","2","3","7","5","10","1") = "9"
    & skf18("6","2","3","7","6","1","1") = "6"
    & skf18("6","2","3","7","6","2","1") = "6"
    & skf18("6","2","3","7","6","3","1") = "6"
    & skf18("6","2","3","7","6","4","1") = "6"
    & skf18("6","2","3","7","6","5","1") = "6"
    & skf18("6","2","3","7","6","6","1") = "6"
    & skf18("6","2","3","7","6","7","1") = "6"
    & skf18("6","2","3","7","6","8","1") = "7"
    & skf18("6","2","3","7","6","9","1") = "8"
    & skf18("6","2","3","7","6","10","1") = "9"
    & skf18("6","2","3","7","7","1","1") = "6"
    & skf18("6","2","3","7","7","2","1") = "6"
    & skf18("6","2","3","7","7","3","1") = "6"
    & skf18("6","2","3","7","7","4","1") = "6"
    & skf18("6","2","3","7","7","5","1") = "6"
    & skf18("6","2","3","7","7","6","1") = "6"
    & skf18("6","2","3","7","7","7","1") = "6"
    & skf18("6","2","3","7","7","8","1") = "7"
    & skf18("6","2","3","7","7","9","1") = "8"
    & skf18("6","2","3","7","7","10","1") = "9"
    & skf18("6","2","3","7","8","1","1") = "7"
    & skf18("6","2","3","7","8","2","1") = "7"
    & skf18("6","2","3","7","8","3","1") = "7"
    & skf18("6","2","3","7","8","4","1") = "7"
    & skf18("6","2","3","7","8","5","1") = "7"
    & skf18("6","2","3","7","8","6","1") = "7"
    & skf18("6","2","3","7","8","7","1") = "7"
    & skf18("6","2","3","7","8","8","1") = "7"
    & skf18("6","2","3","7","8","9","1") = "8"
    & skf18("6","2","3","7","8","10","1") = "9"
    & skf18("6","2","3","7","9","1","1") = "8"
    & skf18("6","2","3","7","9","2","1") = "8"
    & skf18("6","2","3","7","9","3","1") = "8"
    & skf18("6","2","3","7","9","4","1") = "8"
    & skf18("6","2","3","7","9","5","1") = "8"
    & skf18("6","2","3","7","9","6","1") = "8"
    & skf18("6","2","3","7","9","7","1") = "8"
    & skf18("6","2","3","7","9","8","1") = "8"
    & skf18("6","2","3","7","9","9","1") = "8"
    & skf18("6","2","3","7","9","10","1") = "9"
    & skf18("6","2","3","7","10","1","1") = "9"
    & skf18("6","2","3","7","10","2","1") = "9"
    & skf18("6","2","3","7","10","3","1") = "9"
    & skf18("6","2","3","7","10","4","1") = "9"
    & skf18("6","2","3","7","10","5","1") = "9"
    & skf18("6","2","3","7","10","6","1") = "9"
    & skf18("6","2","3","7","10","7","1") = "9"
    & skf18("6","2","3","7","10","8","1") = "9"
    & skf18("6","2","3","7","10","9","1") = "9"
    & skf18("6","2","3","7","10","10","1") = "9"
    & skf18("6","2","3","8","1","1","1") = "7"
    & skf18("6","2","3","8","1","2","1") = "7"
    & skf18("6","2","3","8","1","3","1") = "7"
    & skf18("6","2","3","8","1","4","1") = "7"
    & skf18("6","2","3","8","1","5","1") = "7"
    & skf18("6","2","3","8","1","6","1") = "7"
    & skf18("6","2","3","8","1","7","1") = "7"
    & skf18("6","2","3","8","1","8","1") = "7"
    & skf18("6","2","3","8","1","9","1") = "8"
    & skf18("6","2","3","8","1","10","1") = "9"
    & skf18("6","2","3","8","2","1","1") = "7"
    & skf18("6","2","3","8","2","2","1") = "7"
    & skf18("6","2","3","8","2","3","1") = "7"
    & skf18("6","2","3","8","2","4","1") = "7"
    & skf18("6","2","3","8","2","5","1") = "7"
    & skf18("6","2","3","8","2","6","1") = "7"
    & skf18("6","2","3","8","2","7","1") = "7"
    & skf18("6","2","3","8","2","8","1") = "7"
    & skf18("6","2","3","8","2","9","1") = "8"
    & skf18("6","2","3","8","2","10","1") = "9"
    & skf18("6","2","3","8","3","1","1") = "7"
    & skf18("6","2","3","8","3","2","1") = "7"
    & skf18("6","2","3","8","3","3","1") = "7"
    & skf18("6","2","3","8","3","4","1") = "7"
    & skf18("6","2","3","8","3","5","1") = "7"
    & skf18("6","2","3","8","3","6","1") = "7"
    & skf18("6","2","3","8","3","7","1") = "7"
    & skf18("6","2","3","8","3","8","1") = "7"
    & skf18("6","2","3","8","3","9","1") = "8"
    & skf18("6","2","3","8","3","10","1") = "9"
    & skf18("6","2","3","8","4","1","1") = "7"
    & skf18("6","2","3","8","4","2","1") = "7"
    & skf18("6","2","3","8","4","3","1") = "7"
    & skf18("6","2","3","8","4","4","1") = "7"
    & skf18("6","2","3","8","4","5","1") = "7"
    & skf18("6","2","3","8","4","6","1") = "7"
    & skf18("6","2","3","8","4","7","1") = "7"
    & skf18("6","2","3","8","4","8","1") = "7"
    & skf18("6","2","3","8","4","9","1") = "8"
    & skf18("6","2","3","8","4","10","1") = "9"
    & skf18("6","2","3","8","5","1","1") = "7"
    & skf18("6","2","3","8","5","2","1") = "7"
    & skf18("6","2","3","8","5","3","1") = "7"
    & skf18("6","2","3","8","5","4","1") = "7"
    & skf18("6","2","3","8","5","5","1") = "7"
    & skf18("6","2","3","8","5","6","1") = "7"
    & skf18("6","2","3","8","5","7","1") = "7"
    & skf18("6","2","3","8","5","8","1") = "7"
    & skf18("6","2","3","8","5","9","1") = "8"
    & skf18("6","2","3","8","5","10","1") = "9"
    & skf18("6","2","3","8","6","1","1") = "7"
    & skf18("6","2","3","8","6","2","1") = "7"
    & skf18("6","2","3","8","6","3","1") = "7"
    & skf18("6","2","3","8","6","4","1") = "7"
    & skf18("6","2","3","8","6","5","1") = "7"
    & skf18("6","2","3","8","6","6","1") = "7"
    & skf18("6","2","3","8","6","7","1") = "7"
    & skf18("6","2","3","8","6","8","1") = "7"
    & skf18("6","2","3","8","6","9","1") = "8"
    & skf18("6","2","3","8","6","10","1") = "9"
    & skf18("6","2","3","8","7","1","1") = "7"
    & skf18("6","2","3","8","7","2","1") = "7"
    & skf18("6","2","3","8","7","3","1") = "7"
    & skf18("6","2","3","8","7","4","1") = "7"
    & skf18("6","2","3","8","7","5","1") = "7"
    & skf18("6","2","3","8","7","6","1") = "7"
    & skf18("6","2","3","8","7","7","1") = "7"
    & skf18("6","2","3","8","7","8","1") = "7"
    & skf18("6","2","3","8","7","9","1") = "8"
    & skf18("6","2","3","8","7","10","1") = "9"
    & skf18("6","2","3","8","8","1","1") = "7"
    & skf18("6","2","3","8","8","2","1") = "7"
    & skf18("6","2","3","8","8","3","1") = "7"
    & skf18("6","2","3","8","8","4","1") = "7"
    & skf18("6","2","3","8","8","5","1") = "7"
    & skf18("6","2","3","8","8","6","1") = "7"
    & skf18("6","2","3","8","8","7","1") = "7"
    & skf18("6","2","3","8","8","8","1") = "7"
    & skf18("6","2","3","8","8","9","1") = "8"
    & skf18("6","2","3","8","8","10","1") = "9"
    & skf18("6","2","3","8","9","1","1") = "8"
    & skf18("6","2","3","8","9","2","1") = "8"
    & skf18("6","2","3","8","9","3","1") = "8"
    & skf18("6","2","3","8","9","4","1") = "8"
    & skf18("6","2","3","8","9","5","1") = "8"
    & skf18("6","2","3","8","9","6","1") = "8"
    & skf18("6","2","3","8","9","7","1") = "8"
    & skf18("6","2","3","8","9","8","1") = "8"
    & skf18("6","2","3","8","9","9","1") = "8"
    & skf18("6","2","3","8","9","10","1") = "9"
    & skf18("6","2","3","8","10","1","1") = "9"
    & skf18("6","2","3","8","10","2","1") = "9"
    & skf18("6","2","3","8","10","3","1") = "9"
    & skf18("6","2","3","8","10","4","1") = "9"
    & skf18("6","2","3","8","10","5","1") = "9"
    & skf18("6","2","3","8","10","6","1") = "9"
    & skf18("6","2","3","8","10","7","1") = "9"
    & skf18("6","2","3","8","10","8","1") = "9"
    & skf18("6","2","3","8","10","9","1") = "9"
    & skf18("6","2","3","8","10","10","1") = "9"
    & skf18("6","2","3","9","1","1","1") = "8"
    & skf18("6","2","3","9","1","2","1") = "8"
    & skf18("6","2","3","9","1","3","1") = "8"
    & skf18("6","2","3","9","1","4","1") = "8"
    & skf18("6","2","3","9","1","5","1") = "8"
    & skf18("6","2","3","9","1","6","1") = "8"
    & skf18("6","2","3","9","1","7","1") = "8"
    & skf18("6","2","3","9","1","8","1") = "8"
    & skf18("6","2","3","9","1","9","1") = "8"
    & skf18("6","2","3","9","1","10","1") = "9"
    & skf18("6","2","3","9","2","1","1") = "8"
    & skf18("6","2","3","9","2","2","1") = "8"
    & skf18("6","2","3","9","2","3","1") = "8"
    & skf18("6","2","3","9","2","4","1") = "8"
    & skf18("6","2","3","9","2","5","1") = "8"
    & skf18("6","2","3","9","2","6","1") = "8"
    & skf18("6","2","3","9","2","7","1") = "8"
    & skf18("6","2","3","9","2","8","1") = "8"
    & skf18("6","2","3","9","2","9","1") = "8"
    & skf18("6","2","3","9","2","10","1") = "9"
    & skf18("6","2","3","9","3","1","1") = "8"
    & skf18("6","2","3","9","3","2","1") = "8"
    & skf18("6","2","3","9","3","3","1") = "8"
    & skf18("6","2","3","9","3","4","1") = "8"
    & skf18("6","2","3","9","3","5","1") = "8"
    & skf18("6","2","3","9","3","6","1") = "8"
    & skf18("6","2","3","9","3","7","1") = "8"
    & skf18("6","2","3","9","3","8","1") = "8"
    & skf18("6","2","3","9","3","9","1") = "8"
    & skf18("6","2","3","9","3","10","1") = "9"
    & skf18("6","2","3","9","4","1","1") = "8"
    & skf18("6","2","3","9","4","2","1") = "8"
    & skf18("6","2","3","9","4","3","1") = "8"
    & skf18("6","2","3","9","4","4","1") = "8"
    & skf18("6","2","3","9","4","5","1") = "8"
    & skf18("6","2","3","9","4","6","1") = "8"
    & skf18("6","2","3","9","4","7","1") = "8"
    & skf18("6","2","3","9","4","8","1") = "8"
    & skf18("6","2","3","9","4","9","1") = "8"
    & skf18("6","2","3","9","4","10","1") = "9"
    & skf18("6","2","3","9","5","1","1") = "8"
    & skf18("6","2","3","9","5","2","1") = "8"
    & skf18("6","2","3","9","5","3","1") = "8"
    & skf18("6","2","3","9","5","4","1") = "8"
    & skf18("6","2","3","9","5","5","1") = "8"
    & skf18("6","2","3","9","5","6","1") = "8"
    & skf18("6","2","3","9","5","7","1") = "8"
    & skf18("6","2","3","9","5","8","1") = "8"
    & skf18("6","2","3","9","5","9","1") = "8"
    & skf18("6","2","3","9","5","10","1") = "9"
    & skf18("6","2","3","9","6","1","1") = "8"
    & skf18("6","2","3","9","6","2","1") = "8"
    & skf18("6","2","3","9","6","3","1") = "8"
    & skf18("6","2","3","9","6","4","1") = "8"
    & skf18("6","2","3","9","6","5","1") = "8"
    & skf18("6","2","3","9","6","6","1") = "8"
    & skf18("6","2","3","9","6","7","1") = "8"
    & skf18("6","2","3","9","6","8","1") = "8"
    & skf18("6","2","3","9","6","9","1") = "8"
    & skf18("6","2","3","9","6","10","1") = "9"
    & skf18("6","2","3","9","7","1","1") = "8"
    & skf18("6","2","3","9","7","2","1") = "8"
    & skf18("6","2","3","9","7","3","1") = "8"
    & skf18("6","2","3","9","7","4","1") = "8"
    & skf18("6","2","3","9","7","5","1") = "8"
    & skf18("6","2","3","9","7","6","1") = "8"
    & skf18("6","2","3","9","7","7","1") = "8"
    & skf18("6","2","3","9","7","8","1") = "8"
    & skf18("6","2","3","9","7","9","1") = "8"
    & skf18("6","2","3","9","7","10","1") = "9"
    & skf18("6","2","3","9","8","1","1") = "8"
    & skf18("6","2","3","9","8","2","1") = "8"
    & skf18("6","2","3","9","8","3","1") = "8"
    & skf18("6","2","3","9","8","4","1") = "8"
    & skf18("6","2","3","9","8","5","1") = "8"
    & skf18("6","2","3","9","8","6","1") = "8"
    & skf18("6","2","3","9","8","7","1") = "8"
    & skf18("6","2","3","9","8","8","1") = "8"
    & skf18("6","2","3","9","8","9","1") = "8"
    & skf18("6","2","3","9","8","10","1") = "9"
    & skf18("6","2","3","9","9","1","1") = "8"
    & skf18("6","2","3","9","9","2","1") = "8"
    & skf18("6","2","3","9","9","3","1") = "8"
    & skf18("6","2","3","9","9","4","1") = "8"
    & skf18("6","2","3","9","9","5","1") = "8"
    & skf18("6","2","3","9","9","6","1") = "8"
    & skf18("6","2","3","9","9","7","1") = "8"
    & skf18("6","2","3","9","9","8","1") = "8"
    & skf18("6","2","3","9","9","9","1") = "8"
    & skf18("6","2","3","9","9","10","1") = "9"
    & skf18("6","2","3","9","10","1","1") = "9"
    & skf18("6","2","3","9","10","2","1") = "9"
    & skf18("6","2","3","9","10","3","1") = "9"
    & skf18("6","2","3","9","10","4","1") = "9"
    & skf18("6","2","3","9","10","5","1") = "9"
    & skf18("6","2","3","9","10","6","1") = "9"
    & skf18("6","2","3","9","10","7","1") = "9"
    & skf18("6","2","3","9","10","8","1") = "9"
    & skf18("6","2","3","9","10","9","1") = "9"
    & skf18("6","2","3","9","10","10","1") = "9"
    & skf18("6","2","3","10","1","1","1") = "9"
    & skf18("6","2","3","10","1","2","1") = "9"
    & skf18("6","2","3","10","1","3","1") = "9"
    & skf18("6","2","3","10","1","4","1") = "9"
    & skf18("6","2","3","10","1","5","1") = "9"
    & skf18("6","2","3","10","1","6","1") = "9"
    & skf18("6","2","3","10","1","7","1") = "9"
    & skf18("6","2","3","10","1","8","1") = "9"
    & skf18("6","2","3","10","1","9","1") = "9"
    & skf18("6","2","3","10","1","10","1") = "9"
    & skf18("6","2","3","10","2","1","1") = "9"
    & skf18("6","2","3","10","2","2","1") = "9"
    & skf18("6","2","3","10","2","3","1") = "9"
    & skf18("6","2","3","10","2","4","1") = "9"
    & skf18("6","2","3","10","2","5","1") = "9"
    & skf18("6","2","3","10","2","6","1") = "9"
    & skf18("6","2","3","10","2","7","1") = "9"
    & skf18("6","2","3","10","2","8","1") = "9"
    & skf18("6","2","3","10","2","9","1") = "9"
    & skf18("6","2","3","10","2","10","1") = "9"
    & skf18("6","2","3","10","3","1","1") = "9"
    & skf18("6","2","3","10","3","2","1") = "9"
    & skf18("6","2","3","10","3","3","1") = "9"
    & skf18("6","2","3","10","3","4","1") = "9"
    & skf18("6","2","3","10","3","5","1") = "9"
    & skf18("6","2","3","10","3","6","1") = "9"
    & skf18("6","2","3","10","3","7","1") = "9"
    & skf18("6","2","3","10","3","8","1") = "9"
    & skf18("6","2","3","10","3","9","1") = "9"
    & skf18("6","2","3","10","3","10","1") = "9"
    & skf18("6","2","3","10","4","1","1") = "9"
    & skf18("6","2","3","10","4","2","1") = "9"
    & skf18("6","2","3","10","4","3","1") = "9"
    & skf18("6","2","3","10","4","4","1") = "9"
    & skf18("6","2","3","10","4","5","1") = "9"
    & skf18("6","2","3","10","4","6","1") = "9"
    & skf18("6","2","3","10","4","7","1") = "9"
    & skf18("6","2","3","10","4","8","1") = "9"
    & skf18("6","2","3","10","4","9","1") = "9"
    & skf18("6","2","3","10","4","10","1") = "9"
    & skf18("6","2","3","10","5","1","1") = "9"
    & skf18("6","2","3","10","5","2","1") = "9"
    & skf18("6","2","3","10","5","3","1") = "9"
    & skf18("6","2","3","10","5","4","1") = "9"
    & skf18("6","2","3","10","5","5","1") = "9"
    & skf18("6","2","3","10","5","6","1") = "9"
    & skf18("6","2","3","10","5","7","1") = "9"
    & skf18("6","2","3","10","5","8","1") = "9"
    & skf18("6","2","3","10","5","9","1") = "9"
    & skf18("6","2","3","10","5","10","1") = "9"
    & skf18("6","2","3","10","6","1","1") = "9"
    & skf18("6","2","3","10","6","2","1") = "9"
    & skf18("6","2","3","10","6","3","1") = "9"
    & skf18("6","2","3","10","6","4","1") = "9"
    & skf18("6","2","3","10","6","5","1") = "9"
    & skf18("6","2","3","10","6","6","1") = "9"
    & skf18("6","2","3","10","6","7","1") = "9"
    & skf18("6","2","3","10","6","8","1") = "9"
    & skf18("6","2","3","10","6","9","1") = "9"
    & skf18("6","2","3","10","6","10","1") = "9"
    & skf18("6","2","3","10","7","1","1") = "9"
    & skf18("6","2","3","10","7","2","1") = "9"
    & skf18("6","2","3","10","7","3","1") = "9"
    & skf18("6","2","3","10","7","4","1") = "9"
    & skf18("6","2","3","10","7","5","1") = "9"
    & skf18("6","2","3","10","7","6","1") = "9"
    & skf18("6","2","3","10","7","7","1") = "9"
    & skf18("6","2","3","10","7","8","1") = "9"
    & skf18("6","2","3","10","7","9","1") = "9"
    & skf18("6","2","3","10","7","10","1") = "9"
    & skf18("6","2","3","10","8","1","1") = "9"
    & skf18("6","2","3","10","8","2","1") = "9"
    & skf18("6","2","3","10","8","3","1") = "9"
    & skf18("6","2","3","10","8","4","1") = "9"
    & skf18("6","2","3","10","8","5","1") = "9"
    & skf18("6","2","3","10","8","6","1") = "9"
    & skf18("6","2","3","10","8","7","1") = "9"
    & skf18("6","2","3","10","8","8","1") = "9"
    & skf18("6","2","3","10","8","9","1") = "9"
    & skf18("6","2","3","10","8","10","1") = "9"
    & skf18("6","2","3","10","9","1","1") = "9"
    & skf18("6","2","3","10","9","2","1") = "9"
    & skf18("6","2","3","10","9","3","1") = "9"
    & skf18("6","2","3","10","9","4","1") = "9"
    & skf18("6","2","3","10","9","5","1") = "9"
    & skf18("6","2","3","10","9","6","1") = "9"
    & skf18("6","2","3","10","9","7","1") = "9"
    & skf18("6","2","3","10","9","8","1") = "9"
    & skf18("6","2","3","10","9","9","1") = "9"
    & skf18("6","2","3","10","9","10","1") = "9"
    & skf18("6","2","3","10","10","1","1") = "9"
    & skf18("6","2","3","10","10","2","1") = "9"
    & skf18("6","2","3","10","10","3","1") = "9"
    & skf18("6","2","3","10","10","4","1") = "9"
    & skf18("6","2","3","10","10","5","1") = "9"
    & skf18("6","2","3","10","10","6","1") = "9"
    & skf18("6","2","3","10","10","7","1") = "9"
    & skf18("6","2","3","10","10","8","1") = "9"
    & skf18("6","2","3","10","10","9","1") = "9"
    & skf18("6","2","3","10","10","10","1") = "9"
    & skf18("6","2","4","1","1","1","1") = "5"
    & skf18("6","2","4","1","1","2","1") = "5"
    & skf18("6","2","4","1","1","3","1") = "5"
    & skf18("6","2","4","1","1","4","1") = "5"
    & skf18("6","2","4","1","1","5","1") = "5"
    & skf18("6","2","4","1","1","6","1") = "5"
    & skf18("6","2","4","1","1","7","1") = "6"
    & skf18("6","2","4","1","1","8","1") = "7"
    & skf18("6","2","4","1","1","9","1") = "8"
    & skf18("6","2","4","1","1","10","1") = "9"
    & skf18("6","2","4","1","2","1","1") = "5"
    & skf18("6","2","4","1","2","2","1") = "5"
    & skf18("6","2","4","1","2","3","1") = "5"
    & skf18("6","2","4","1","2","4","1") = "5"
    & skf18("6","2","4","1","2","5","1") = "5"
    & skf18("6","2","4","1","2","6","1") = "5"
    & skf18("6","2","4","1","2","7","1") = "6"
    & skf18("6","2","4","1","2","8","1") = "7"
    & skf18("6","2","4","1","2","9","1") = "8"
    & skf18("6","2","4","1","2","10","1") = "9"
    & skf18("6","2","4","1","3","1","1") = "5"
    & skf18("6","2","4","1","3","2","1") = "5"
    & skf18("6","2","4","1","3","3","1") = "5"
    & skf18("6","2","4","1","3","4","1") = "5"
    & skf18("6","2","4","1","3","5","1") = "5"
    & skf18("6","2","4","1","3","6","1") = "5"
    & skf18("6","2","4","1","3","7","1") = "6"
    & skf18("6","2","4","1","3","8","1") = "7"
    & skf18("6","2","4","1","3","9","1") = "8"
    & skf18("6","2","4","1","3","10","1") = "9"
    & skf18("6","2","4","1","4","1","1") = "5"
    & skf18("6","2","4","1","4","2","1") = "5"
    & skf18("6","2","4","1","4","3","1") = "5"
    & skf18("6","2","4","1","4","4","1") = "5"
    & skf18("6","2","4","1","4","5","1") = "5"
    & skf18("6","2","4","1","4","6","1") = "5"
    & skf18("6","2","4","1","4","7","1") = "6"
    & skf18("6","2","4","1","4","8","1") = "7"
    & skf18("6","2","4","1","4","9","1") = "8"
    & skf18("6","2","4","1","4","10","1") = "9"
    & skf18("6","2","4","1","5","1","1") = "5"
    & skf18("6","2","4","1","5","2","1") = "5"
    & skf18("6","2","4","1","5","3","1") = "5"
    & skf18("6","2","4","1","5","4","1") = "5"
    & skf18("6","2","4","1","5","5","1") = "5"
    & skf18("6","2","4","1","5","6","1") = "5"
    & skf18("6","2","4","1","5","7","1") = "6"
    & skf18("6","2","4","1","5","8","1") = "7"
    & skf18("6","2","4","1","5","9","1") = "8"
    & skf18("6","2","4","1","5","10","1") = "9"
    & skf18("6","2","4","1","6","1","1") = "5"
    & skf18("6","2","4","1","6","2","1") = "5"
    & skf18("6","2","4","1","6","3","1") = "5"
    & skf18("6","2","4","1","6","4","1") = "5"
    & skf18("6","2","4","1","6","5","1") = "5"
    & skf18("6","2","4","1","6","6","1") = "5"
    & skf18("6","2","4","1","6","7","1") = "6"
    & skf18("6","2","4","1","6","8","1") = "7"
    & skf18("6","2","4","1","6","9","1") = "8"
    & skf18("6","2","4","1","6","10","1") = "9"
    & skf18("6","2","4","1","7","1","1") = "6"
    & skf18("6","2","4","1","7","2","1") = "6"
    & skf18("6","2","4","1","7","3","1") = "6"
    & skf18("6","2","4","1","7","4","1") = "6"
    & skf18("6","2","4","1","7","5","1") = "6"
    & skf18("6","2","4","1","7","6","1") = "6"
    & skf18("6","2","4","1","7","7","1") = "6"
    & skf18("6","2","4","1","7","8","1") = "7"
    & skf18("6","2","4","1","7","9","1") = "8"
    & skf18("6","2","4","1","7","10","1") = "9"
    & skf18("6","2","4","1","8","1","1") = "7"
    & skf18("6","2","4","1","8","2","1") = "7"
    & skf18("6","2","4","1","8","3","1") = "7"
    & skf18("6","2","4","1","8","4","1") = "7"
    & skf18("6","2","4","1","8","5","1") = "7"
    & skf18("6","2","4","1","8","6","1") = "7"
    & skf18("6","2","4","1","8","7","1") = "7"
    & skf18("6","2","4","1","8","8","1") = "7"
    & skf18("6","2","4","1","8","9","1") = "8"
    & skf18("6","2","4","1","8","10","1") = "9"
    & skf18("6","2","4","1","9","1","1") = "8"
    & skf18("6","2","4","1","9","2","1") = "8"
    & skf18("6","2","4","1","9","3","1") = "8"
    & skf18("6","2","4","1","9","4","1") = "8"
    & skf18("6","2","4","1","9","5","1") = "8"
    & skf18("6","2","4","1","9","6","1") = "8"
    & skf18("6","2","4","1","9","7","1") = "8"
    & skf18("6","2","4","1","9","8","1") = "8"
    & skf18("6","2","4","1","9","9","1") = "8"
    & skf18("6","2","4","1","9","10","1") = "9"
    & skf18("6","2","4","1","10","1","1") = "9"
    & skf18("6","2","4","1","10","2","1") = "9"
    & skf18("6","2","4","1","10","3","1") = "9"
    & skf18("6","2","4","1","10","4","1") = "9"
    & skf18("6","2","4","1","10","5","1") = "9"
    & skf18("6","2","4","1","10","6","1") = "9"
    & skf18("6","2","4","1","10","7","1") = "9"
    & skf18("6","2","4","1","10","8","1") = "9"
    & skf18("6","2","4","1","10","9","1") = "9"
    & skf18("6","2","4","1","10","10","1") = "9"
    & skf18("6","2","4","2","1","1","1") = "5"
    & skf18("6","2","4","2","1","2","1") = "5"
    & skf18("6","2","4","2","1","3","1") = "5"
    & skf18("6","2","4","2","1","4","1") = "5"
    & skf18("6","2","4","2","1","5","1") = "5"
    & skf18("6","2","4","2","1","6","1") = "5"
    & skf18("6","2","4","2","1","7","1") = "6"
    & skf18("6","2","4","2","1","8","1") = "7"
    & skf18("6","2","4","2","1","9","1") = "8"
    & skf18("6","2","4","2","1","10","1") = "9"
    & skf18("6","2","4","2","2","1","1") = "5"
    & skf18("6","2","4","2","2","2","1") = "5"
    & skf18("6","2","4","2","2","3","1") = "5"
    & skf18("6","2","4","2","2","4","1") = "5"
    & skf18("6","2","4","2","2","5","1") = "5"
    & skf18("6","2","4","2","2","6","1") = "5"
    & skf18("6","2","4","2","2","7","1") = "6"
    & skf18("6","2","4","2","2","8","1") = "7"
    & skf18("6","2","4","2","2","9","1") = "8"
    & skf18("6","2","4","2","2","10","1") = "9"
    & skf18("6","2","4","2","3","1","1") = "5"
    & skf18("6","2","4","2","3","2","1") = "5"
    & skf18("6","2","4","2","3","3","1") = "5"
    & skf18("6","2","4","2","3","4","1") = "5"
    & skf18("6","2","4","2","3","5","1") = "5"
    & skf18("6","2","4","2","3","6","1") = "5"
    & skf18("6","2","4","2","3","7","1") = "6"
    & skf18("6","2","4","2","3","8","1") = "7"
    & skf18("6","2","4","2","3","9","1") = "8"
    & skf18("6","2","4","2","3","10","1") = "9"
    & skf18("6","2","4","2","4","1","1") = "5"
    & skf18("6","2","4","2","4","2","1") = "5"
    & skf18("6","2","4","2","4","3","1") = "5"
    & skf18("6","2","4","2","4","4","1") = "5"
    & skf18("6","2","4","2","4","5","1") = "5"
    & skf18("6","2","4","2","4","6","1") = "5"
    & skf18("6","2","4","2","4","7","1") = "6"
    & skf18("6","2","4","2","4","8","1") = "7"
    & skf18("6","2","4","2","4","9","1") = "8"
    & skf18("6","2","4","2","4","10","1") = "9"
    & skf18("6","2","4","2","5","1","1") = "5"
    & skf18("6","2","4","2","5","2","1") = "5"
    & skf18("6","2","4","2","5","3","1") = "5"
    & skf18("6","2","4","2","5","4","1") = "5"
    & skf18("6","2","4","2","5","5","1") = "5"
    & skf18("6","2","4","2","5","6","1") = "5"
    & skf18("6","2","4","2","5","7","1") = "6"
    & skf18("6","2","4","2","5","8","1") = "7"
    & skf18("6","2","4","2","5","9","1") = "8"
    & skf18("6","2","4","2","5","10","1") = "9"
    & skf18("6","2","4","2","6","1","1") = "5"
    & skf18("6","2","4","2","6","2","1") = "5"
    & skf18("6","2","4","2","6","3","1") = "5"
    & skf18("6","2","4","2","6","4","1") = "5"
    & skf18("6","2","4","2","6","5","1") = "5"
    & skf18("6","2","4","2","6","6","1") = "5"
    & skf18("6","2","4","2","6","7","1") = "6"
    & skf18("6","2","4","2","6","8","1") = "7"
    & skf18("6","2","4","2","6","9","1") = "8"
    & skf18("6","2","4","2","6","10","1") = "9"
    & skf18("6","2","4","2","7","1","1") = "6"
    & skf18("6","2","4","2","7","2","1") = "6"
    & skf18("6","2","4","2","7","3","1") = "6"
    & skf18("6","2","4","2","7","4","1") = "6"
    & skf18("6","2","4","2","7","5","1") = "6"
    & skf18("6","2","4","2","7","6","1") = "6"
    & skf18("6","2","4","2","7","7","1") = "6"
    & skf18("6","2","4","2","7","8","1") = "7"
    & skf18("6","2","4","2","7","9","1") = "8"
    & skf18("6","2","4","2","7","10","1") = "9"
    & skf18("6","2","4","2","8","1","1") = "7"
    & skf18("6","2","4","2","8","2","1") = "7"
    & skf18("6","2","4","2","8","3","1") = "7"
    & skf18("6","2","4","2","8","4","1") = "7"
    & skf18("6","2","4","2","8","5","1") = "7"
    & skf18("6","2","4","2","8","6","1") = "7"
    & skf18("6","2","4","2","8","7","1") = "7"
    & skf18("6","2","4","2","8","8","1") = "7"
    & skf18("6","2","4","2","8","9","1") = "8"
    & skf18("6","2","4","2","8","10","1") = "9"
    & skf18("6","2","4","2","9","1","1") = "8"
    & skf18("6","2","4","2","9","2","1") = "8"
    & skf18("6","2","4","2","9","3","1") = "8"
    & skf18("6","2","4","2","9","4","1") = "8"
    & skf18("6","2","4","2","9","5","1") = "8"
    & skf18("6","2","4","2","9","6","1") = "8"
    & skf18("6","2","4","2","9","7","1") = "8"
    & skf18("6","2","4","2","9","8","1") = "8"
    & skf18("6","2","4","2","9","9","1") = "8"
    & skf18("6","2","4","2","9","10","1") = "9"
    & skf18("6","2","4","2","10","1","1") = "9"
    & skf18("6","2","4","2","10","2","1") = "9"
    & skf18("6","2","4","2","10","3","1") = "9"
    & skf18("6","2","4","2","10","4","1") = "9"
    & skf18("6","2","4","2","10","5","1") = "9"
    & skf18("6","2","4","2","10","6","1") = "9"
    & skf18("6","2","4","2","10","7","1") = "9"
    & skf18("6","2","4","2","10","8","1") = "9"
    & skf18("6","2","4","2","10","9","1") = "9"
    & skf18("6","2","4","2","10","10","1") = "9"
    & skf18("6","2","4","3","1","1","1") = "5"
    & skf18("6","2","4","3","1","2","1") = "5"
    & skf18("6","2","4","3","1","3","1") = "5"
    & skf18("6","2","4","3","1","4","1") = "5"
    & skf18("6","2","4","3","1","5","1") = "5"
    & skf18("6","2","4","3","1","6","1") = "5"
    & skf18("6","2","4","3","1","7","1") = "6"
    & skf18("6","2","4","3","1","8","1") = "7"
    & skf18("6","2","4","3","1","9","1") = "8"
    & skf18("6","2","4","3","1","10","1") = "9"
    & skf18("6","2","4","3","2","1","1") = "5"
    & skf18("6","2","4","3","2","2","1") = "5"
    & skf18("6","2","4","3","2","3","1") = "5"
    & skf18("6","2","4","3","2","4","1") = "5"
    & skf18("6","2","4","3","2","5","1") = "5"
    & skf18("6","2","4","3","2","6","1") = "5"
    & skf18("6","2","4","3","2","7","1") = "6"
    & skf18("6","2","4","3","2","8","1") = "7"
    & skf18("6","2","4","3","2","9","1") = "8"
    & skf18("6","2","4","3","2","10","1") = "9"
    & skf18("6","2","4","3","3","1","1") = "5"
    & skf18("6","2","4","3","3","2","1") = "5"
    & skf18("6","2","4","3","3","3","1") = "5"
    & skf18("6","2","4","3","3","4","1") = "5"
    & skf18("6","2","4","3","3","5","1") = "5"
    & skf18("6","2","4","3","3","6","1") = "5"
    & skf18("6","2","4","3","3","7","1") = "6"
    & skf18("6","2","4","3","3","8","1") = "7"
    & skf18("6","2","4","3","3","9","1") = "8"
    & skf18("6","2","4","3","3","10","1") = "9"
    & skf18("6","2","4","3","4","1","1") = "5"
    & skf18("6","2","4","3","4","2","1") = "5"
    & skf18("6","2","4","3","4","3","1") = "5"
    & skf18("6","2","4","3","4","4","1") = "5"
    & skf18("6","2","4","3","4","5","1") = "5"
    & skf18("6","2","4","3","4","6","1") = "5"
    & skf18("6","2","4","3","4","7","1") = "6"
    & skf18("6","2","4","3","4","8","1") = "7"
    & skf18("6","2","4","3","4","9","1") = "8"
    & skf18("6","2","4","3","4","10","1") = "9"
    & skf18("6","2","4","3","5","1","1") = "5"
    & skf18("6","2","4","3","5","2","1") = "5"
    & skf18("6","2","4","3","5","3","1") = "5"
    & skf18("6","2","4","3","5","4","1") = "5"
    & skf18("6","2","4","3","5","5","1") = "5"
    & skf18("6","2","4","3","5","6","1") = "5"
    & skf18("6","2","4","3","5","7","1") = "6"
    & skf18("6","2","4","3","5","8","1") = "7"
    & skf18("6","2","4","3","5","9","1") = "8"
    & skf18("6","2","4","3","5","10","1") = "9"
    & skf18("6","2","4","3","6","1","1") = "5"
    & skf18("6","2","4","3","6","2","1") = "5"
    & skf18("6","2","4","3","6","3","1") = "5"
    & skf18("6","2","4","3","6","4","1") = "5"
    & skf18("6","2","4","3","6","5","1") = "5"
    & skf18("6","2","4","3","6","6","1") = "5"
    & skf18("6","2","4","3","6","7","1") = "6"
    & skf18("6","2","4","3","6","8","1") = "7"
    & skf18("6","2","4","3","6","9","1") = "8"
    & skf18("6","2","4","3","6","10","1") = "9"
    & skf18("6","2","4","3","7","1","1") = "6"
    & skf18("6","2","4","3","7","2","1") = "6"
    & skf18("6","2","4","3","7","3","1") = "6"
    & skf18("6","2","4","3","7","4","1") = "6"
    & skf18("6","2","4","3","7","5","1") = "6"
    & skf18("6","2","4","3","7","6","1") = "6"
    & skf18("6","2","4","3","7","7","1") = "6"
    & skf18("6","2","4","3","7","8","1") = "7"
    & skf18("6","2","4","3","7","9","1") = "8"
    & skf18("6","2","4","3","7","10","1") = "9"
    & skf18("6","2","4","3","8","1","1") = "7"
    & skf18("6","2","4","3","8","2","1") = "7"
    & skf18("6","2","4","3","8","3","1") = "7"
    & skf18("6","2","4","3","8","4","1") = "7"
    & skf18("6","2","4","3","8","5","1") = "7"
    & skf18("6","2","4","3","8","6","1") = "7"
    & skf18("6","2","4","3","8","7","1") = "7"
    & skf18("6","2","4","3","8","8","1") = "7"
    & skf18("6","2","4","3","8","9","1") = "8"
    & skf18("6","2","4","3","8","10","1") = "9"
    & skf18("6","2","4","3","9","1","1") = "8"
    & skf18("6","2","4","3","9","2","1") = "8"
    & skf18("6","2","4","3","9","3","1") = "8"
    & skf18("6","2","4","3","9","4","1") = "8"
    & skf18("6","2","4","3","9","5","1") = "8"
    & skf18("6","2","4","3","9","6","1") = "8"
    & skf18("6","2","4","3","9","7","1") = "8"
    & skf18("6","2","4","3","9","8","1") = "8"
    & skf18("6","2","4","3","9","9","1") = "8"
    & skf18("6","2","4","3","9","10","1") = "9"
    & skf18("6","2","4","3","10","1","1") = "9"
    & skf18("6","2","4","3","10","2","1") = "9"
    & skf18("6","2","4","3","10","3","1") = "9"
    & skf18("6","2","4","3","10","4","1") = "9"
    & skf18("6","2","4","3","10","5","1") = "9"
    & skf18("6","2","4","3","10","6","1") = "9"
    & skf18("6","2","4","3","10","7","1") = "9"
    & skf18("6","2","4","3","10","8","1") = "9"
    & skf18("6","2","4","3","10","9","1") = "9"
    & skf18("6","2","4","3","10","10","1") = "9"
    & skf18("6","2","4","4","1","1","1") = "5"
    & skf18("6","2","4","4","1","2","1") = "5"
    & skf18("6","2","4","4","1","3","1") = "5"
    & skf18("6","2","4","4","1","4","1") = "5"
    & skf18("6","2","4","4","1","5","1") = "5"
    & skf18("6","2","4","4","1","6","1") = "5"
    & skf18("6","2","4","4","1","7","1") = "6"
    & skf18("6","2","4","4","1","8","1") = "7"
    & skf18("6","2","4","4","1","9","1") = "8"
    & skf18("6","2","4","4","1","10","1") = "9"
    & skf18("6","2","4","4","2","1","1") = "5"
    & skf18("6","2","4","4","2","2","1") = "5"
    & skf18("6","2","4","4","2","3","1") = "5"
    & skf18("6","2","4","4","2","4","1") = "5"
    & skf18("6","2","4","4","2","5","1") = "5"
    & skf18("6","2","4","4","2","6","1") = "5"
    & skf18("6","2","4","4","2","7","1") = "6"
    & skf18("6","2","4","4","2","8","1") = "7"
    & skf18("6","2","4","4","2","9","1") = "8"
    & skf18("6","2","4","4","2","10","1") = "9"
    & skf18("6","2","4","4","3","1","1") = "5"
    & skf18("6","2","4","4","3","2","1") = "5"
    & skf18("6","2","4","4","3","3","1") = "5"
    & skf18("6","2","4","4","3","4","1") = "5"
    & skf18("6","2","4","4","3","5","1") = "5"
    & skf18("6","2","4","4","3","6","1") = "5"
    & skf18("6","2","4","4","3","7","1") = "6"
    & skf18("6","2","4","4","3","8","1") = "7"
    & skf18("6","2","4","4","3","9","1") = "8"
    & skf18("6","2","4","4","3","10","1") = "9"
    & skf18("6","2","4","4","4","1","1") = "5"
    & skf18("6","2","4","4","4","2","1") = "5"
    & skf18("6","2","4","4","4","3","1") = "5"
    & skf18("6","2","4","4","4","4","1") = "5"
    & skf18("6","2","4","4","4","5","1") = "5"
    & skf18("6","2","4","4","4","6","1") = "5"
    & skf18("6","2","4","4","4","7","1") = "6"
    & skf18("6","2","4","4","4","8","1") = "7"
    & skf18("6","2","4","4","4","9","1") = "8"
    & skf18("6","2","4","4","4","10","1") = "9"
    & skf18("6","2","4","4","5","1","1") = "5"
    & skf18("6","2","4","4","5","2","1") = "5"
    & skf18("6","2","4","4","5","3","1") = "5"
    & skf18("6","2","4","4","5","4","1") = "5"
    & skf18("6","2","4","4","5","5","1") = "5"
    & skf18("6","2","4","4","5","6","1") = "5"
    & skf18("6","2","4","4","5","7","1") = "6"
    & skf18("6","2","4","4","5","8","1") = "7"
    & skf18("6","2","4","4","5","9","1") = "8"
    & skf18("6","2","4","4","5","10","1") = "9"
    & skf18("6","2","4","4","6","1","1") = "5"
    & skf18("6","2","4","4","6","2","1") = "5"
    & skf18("6","2","4","4","6","3","1") = "5"
    & skf18("6","2","4","4","6","4","1") = "5"
    & skf18("6","2","4","4","6","5","1") = "5"
    & skf18("6","2","4","4","6","6","1") = "5"
    & skf18("6","2","4","4","6","7","1") = "6"
    & skf18("6","2","4","4","6","8","1") = "7"
    & skf18("6","2","4","4","6","9","1") = "8"
    & skf18("6","2","4","4","6","10","1") = "9"
    & skf18("6","2","4","4","7","1","1") = "6"
    & skf18("6","2","4","4","7","2","1") = "6"
    & skf18("6","2","4","4","7","3","1") = "6"
    & skf18("6","2","4","4","7","4","1") = "6"
    & skf18("6","2","4","4","7","5","1") = "6"
    & skf18("6","2","4","4","7","6","1") = "6"
    & skf18("6","2","4","4","7","7","1") = "6"
    & skf18("6","2","4","4","7","8","1") = "7"
    & skf18("6","2","4","4","7","9","1") = "8"
    & skf18("6","2","4","4","7","10","1") = "9"
    & skf18("6","2","4","4","8","1","1") = "7"
    & skf18("6","2","4","4","8","2","1") = "7"
    & skf18("6","2","4","4","8","3","1") = "7"
    & skf18("6","2","4","4","8","4","1") = "7"
    & skf18("6","2","4","4","8","5","1") = "7"
    & skf18("6","2","4","4","8","6","1") = "7"
    & skf18("6","2","4","4","8","7","1") = "7"
    & skf18("6","2","4","4","8","8","1") = "7"
    & skf18("6","2","4","4","8","9","1") = "8"
    & skf18("6","2","4","4","8","10","1") = "9"
    & skf18("6","2","4","4","9","1","1") = "8"
    & skf18("6","2","4","4","9","2","1") = "8"
    & skf18("6","2","4","4","9","3","1") = "8"
    & skf18("6","2","4","4","9","4","1") = "8"
    & skf18("6","2","4","4","9","5","1") = "8"
    & skf18("6","2","4","4","9","6","1") = "8"
    & skf18("6","2","4","4","9","7","1") = "8"
    & skf18("6","2","4","4","9","8","1") = "8"
    & skf18("6","2","4","4","9","9","1") = "8"
    & skf18("6","2","4","4","9","10","1") = "9"
    & skf18("6","2","4","4","10","1","1") = "9"
    & skf18("6","2","4","4","10","2","1") = "9"
    & skf18("6","2","4","4","10","3","1") = "9"
    & skf18("6","2","4","4","10","4","1") = "9"
    & skf18("6","2","4","4","10","5","1") = "9"
    & skf18("6","2","4","4","10","6","1") = "9"
    & skf18("6","2","4","4","10","7","1") = "9"
    & skf18("6","2","4","4","10","8","1") = "9"
    & skf18("6","2","4","4","10","9","1") = "9"
    & skf18("6","2","4","4","10","10","1") = "9"
    & skf18("6","2","4","5","1","1","1") = "5"
    & skf18("6","2","4","5","1","2","1") = "5"
    & skf18("6","2","4","5","1","3","1") = "5"
    & skf18("6","2","4","5","1","4","1") = "5"
    & skf18("6","2","4","5","1","5","1") = "5"
    & skf18("6","2","4","5","1","6","1") = "5"
    & skf18("6","2","4","5","1","7","1") = "6"
    & skf18("6","2","4","5","1","8","1") = "7"
    & skf18("6","2","4","5","1","9","1") = "8"
    & skf18("6","2","4","5","1","10","1") = "9"
    & skf18("6","2","4","5","2","1","1") = "5"
    & skf18("6","2","4","5","2","2","1") = "5"
    & skf18("6","2","4","5","2","3","1") = "5"
    & skf18("6","2","4","5","2","4","1") = "5"
    & skf18("6","2","4","5","2","5","1") = "5"
    & skf18("6","2","4","5","2","6","1") = "5"
    & skf18("6","2","4","5","2","7","1") = "6"
    & skf18("6","2","4","5","2","8","1") = "7"
    & skf18("6","2","4","5","2","9","1") = "8"
    & skf18("6","2","4","5","2","10","1") = "9"
    & skf18("6","2","4","5","3","1","1") = "5"
    & skf18("6","2","4","5","3","2","1") = "5"
    & skf18("6","2","4","5","3","3","1") = "5"
    & skf18("6","2","4","5","3","4","1") = "5"
    & skf18("6","2","4","5","3","5","1") = "5"
    & skf18("6","2","4","5","3","6","1") = "5"
    & skf18("6","2","4","5","3","7","1") = "6"
    & skf18("6","2","4","5","3","8","1") = "7"
    & skf18("6","2","4","5","3","9","1") = "8"
    & skf18("6","2","4","5","3","10","1") = "9"
    & skf18("6","2","4","5","4","1","1") = "5"
    & skf18("6","2","4","5","4","2","1") = "5"
    & skf18("6","2","4","5","4","3","1") = "5"
    & skf18("6","2","4","5","4","4","1") = "5"
    & skf18("6","2","4","5","4","5","1") = "5"
    & skf18("6","2","4","5","4","6","1") = "5"
    & skf18("6","2","4","5","4","7","1") = "6"
    & skf18("6","2","4","5","4","8","1") = "7"
    & skf18("6","2","4","5","4","9","1") = "8"
    & skf18("6","2","4","5","4","10","1") = "9"
    & skf18("6","2","4","5","5","1","1") = "5"
    & skf18("6","2","4","5","5","2","1") = "5"
    & skf18("6","2","4","5","5","3","1") = "5"
    & skf18("6","2","4","5","5","4","1") = "5"
    & skf18("6","2","4","5","5","5","1") = "5"
    & skf18("6","2","4","5","5","6","1") = "5"
    & skf18("6","2","4","5","5","7","1") = "6"
    & skf18("6","2","4","5","5","8","1") = "7"
    & skf18("6","2","4","5","5","9","1") = "8"
    & skf18("6","2","4","5","5","10","1") = "9"
    & skf18("6","2","4","5","6","1","1") = "5"
    & skf18("6","2","4","5","6","2","1") = "5"
    & skf18("6","2","4","5","6","3","1") = "5"
    & skf18("6","2","4","5","6","4","1") = "5"
    & skf18("6","2","4","5","6","5","1") = "5"
    & skf18("6","2","4","5","6","6","1") = "5"
    & skf18("6","2","4","5","6","7","1") = "6"
    & skf18("6","2","4","5","6","8","1") = "7"
    & skf18("6","2","4","5","6","9","1") = "8"
    & skf18("6","2","4","5","6","10","1") = "9"
    & skf18("6","2","4","5","7","1","1") = "6"
    & skf18("6","2","4","5","7","2","1") = "6"
    & skf18("6","2","4","5","7","3","1") = "6"
    & skf18("6","2","4","5","7","4","1") = "6"
    & skf18("6","2","4","5","7","5","1") = "6"
    & skf18("6","2","4","5","7","6","1") = "6"
    & skf18("6","2","4","5","7","7","1") = "6"
    & skf18("6","2","4","5","7","8","1") = "7"
    & skf18("6","2","4","5","7","9","1") = "8"
    & skf18("6","2","4","5","7","10","1") = "9"
    & skf18("6","2","4","5","8","1","1") = "7"
    & skf18("6","2","4","5","8","2","1") = "7"
    & skf18("6","2","4","5","8","3","1") = "7"
    & skf18("6","2","4","5","8","4","1") = "7"
    & skf18("6","2","4","5","8","5","1") = "7"
    & skf18("6","2","4","5","8","6","1") = "7"
    & skf18("6","2","4","5","8","7","1") = "7"
    & skf18("6","2","4","5","8","8","1") = "7"
    & skf18("6","2","4","5","8","9","1") = "8"
    & skf18("6","2","4","5","8","10","1") = "9"
    & skf18("6","2","4","5","9","1","1") = "8"
    & skf18("6","2","4","5","9","2","1") = "8"
    & skf18("6","2","4","5","9","3","1") = "8"
    & skf18("6","2","4","5","9","4","1") = "8"
    & skf18("6","2","4","5","9","5","1") = "8"
    & skf18("6","2","4","5","9","6","1") = "8"
    & skf18("6","2","4","5","9","7","1") = "8"
    & skf18("6","2","4","5","9","8","1") = "8"
    & skf18("6","2","4","5","9","9","1") = "8"
    & skf18("6","2","4","5","9","10","1") = "9"
    & skf18("6","2","4","5","10","1","1") = "9"
    & skf18("6","2","4","5","10","2","1") = "9"
    & skf18("6","2","4","5","10","3","1") = "9"
    & skf18("6","2","4","5","10","4","1") = "9"
    & skf18("6","2","4","5","10","5","1") = "9"
    & skf18("6","2","4","5","10","6","1") = "9"
    & skf18("6","2","4","5","10","7","1") = "9"
    & skf18("6","2","4","5","10","8","1") = "9"
    & skf18("6","2","4","5","10","9","1") = "9"
    & skf18("6","2","4","5","10","10","1") = "9"
    & skf18("6","2","4","6","1","1","1") = "5"
    & skf18("6","2","4","6","1","2","1") = "5"
    & skf18("6","2","4","6","1","3","1") = "5"
    & skf18("6","2","4","6","1","4","1") = "5"
    & skf18("6","2","4","6","1","5","1") = "5"
    & skf18("6","2","4","6","1","6","1") = "5"
    & skf18("6","2","4","6","1","7","1") = "6"
    & skf18("6","2","4","6","1","8","1") = "7"
    & skf18("6","2","4","6","1","9","1") = "8"
    & skf18("6","2","4","6","1","10","1") = "9"
    & skf18("6","2","4","6","2","1","1") = "5"
    & skf18("6","2","4","6","2","2","1") = "5"
    & skf18("6","2","4","6","2","3","1") = "5"
    & skf18("6","2","4","6","2","4","1") = "5"
    & skf18("6","2","4","6","2","5","1") = "5"
    & skf18("6","2","4","6","2","6","1") = "5"
    & skf18("6","2","4","6","2","7","1") = "6"
    & skf18("6","2","4","6","2","8","1") = "7"
    & skf18("6","2","4","6","2","9","1") = "8"
    & skf18("6","2","4","6","2","10","1") = "9"
    & skf18("6","2","4","6","3","1","1") = "5"
    & skf18("6","2","4","6","3","2","1") = "5"
    & skf18("6","2","4","6","3","3","1") = "5"
    & skf18("6","2","4","6","3","4","1") = "5"
    & skf18("6","2","4","6","3","5","1") = "5"
    & skf18("6","2","4","6","3","6","1") = "5"
    & skf18("6","2","4","6","3","7","1") = "6"
    & skf18("6","2","4","6","3","8","1") = "7"
    & skf18("6","2","4","6","3","9","1") = "8"
    & skf18("6","2","4","6","3","10","1") = "9"
    & skf18("6","2","4","6","4","1","1") = "5"
    & skf18("6","2","4","6","4","2","1") = "5"
    & skf18("6","2","4","6","4","3","1") = "5"
    & skf18("6","2","4","6","4","4","1") = "5"
    & skf18("6","2","4","6","4","5","1") = "5"
    & skf18("6","2","4","6","4","6","1") = "5"
    & skf18("6","2","4","6","4","7","1") = "6"
    & skf18("6","2","4","6","4","8","1") = "7"
    & skf18("6","2","4","6","4","9","1") = "8"
    & skf18("6","2","4","6","4","10","1") = "9"
    & skf18("6","2","4","6","5","1","1") = "5"
    & skf18("6","2","4","6","5","2","1") = "5"
    & skf18("6","2","4","6","5","3","1") = "5"
    & skf18("6","2","4","6","5","4","1") = "5"
    & skf18("6","2","4","6","5","5","1") = "5"
    & skf18("6","2","4","6","5","6","1") = "5"
    & skf18("6","2","4","6","5","7","1") = "6"
    & skf18("6","2","4","6","5","8","1") = "7"
    & skf18("6","2","4","6","5","9","1") = "8"
    & skf18("6","2","4","6","5","10","1") = "9"
    & skf18("6","2","4","6","6","1","1") = "5"
    & skf18("6","2","4","6","6","2","1") = "5"
    & skf18("6","2","4","6","6","3","1") = "5"
    & skf18("6","2","4","6","6","4","1") = "5"
    & skf18("6","2","4","6","6","5","1") = "5"
    & skf18("6","2","4","6","6","6","1") = "5"
    & skf18("6","2","4","6","6","7","1") = "6"
    & skf18("6","2","4","6","6","8","1") = "7"
    & skf18("6","2","4","6","6","9","1") = "8"
    & skf18("6","2","4","6","6","10","1") = "9"
    & skf18("6","2","4","6","7","1","1") = "6"
    & skf18("6","2","4","6","7","2","1") = "6"
    & skf18("6","2","4","6","7","3","1") = "6"
    & skf18("6","2","4","6","7","4","1") = "6"
    & skf18("6","2","4","6","7","5","1") = "6"
    & skf18("6","2","4","6","7","6","1") = "6"
    & skf18("6","2","4","6","7","7","1") = "6"
    & skf18("6","2","4","6","7","8","1") = "7"
    & skf18("6","2","4","6","7","9","1") = "8"
    & skf18("6","2","4","6","7","10","1") = "9"
    & skf18("6","2","4","6","8","1","1") = "7"
    & skf18("6","2","4","6","8","2","1") = "7"
    & skf18("6","2","4","6","8","3","1") = "7"
    & skf18("6","2","4","6","8","4","1") = "7"
    & skf18("6","2","4","6","8","5","1") = "7"
    & skf18("6","2","4","6","8","6","1") = "7"
    & skf18("6","2","4","6","8","7","1") = "7"
    & skf18("6","2","4","6","8","8","1") = "7"
    & skf18("6","2","4","6","8","9","1") = "8"
    & skf18("6","2","4","6","8","10","1") = "9"
    & skf18("6","2","4","6","9","1","1") = "8"
    & skf18("6","2","4","6","9","2","1") = "8"
    & skf18("6","2","4","6","9","3","1") = "8"
    & skf18("6","2","4","6","9","4","1") = "8"
    & skf18("6","2","4","6","9","5","1") = "8"
    & skf18("6","2","4","6","9","6","1") = "8"
    & skf18("6","2","4","6","9","7","1") = "8"
    & skf18("6","2","4","6","9","8","1") = "8"
    & skf18("6","2","4","6","9","9","1") = "8"
    & skf18("6","2","4","6","9","10","1") = "9"
    & skf18("6","2","4","6","10","1","1") = "9"
    & skf18("6","2","4","6","10","2","1") = "9"
    & skf18("6","2","4","6","10","3","1") = "9"
    & skf18("6","2","4","6","10","4","1") = "9"
    & skf18("6","2","4","6","10","5","1") = "9"
    & skf18("6","2","4","6","10","6","1") = "9"
    & skf18("6","2","4","6","10","7","1") = "9"
    & skf18("6","2","4","6","10","8","1") = "9"
    & skf18("6","2","4","6","10","9","1") = "9"
    & skf18("6","2","4","6","10","10","1") = "9"
    & skf18("6","2","4","7","1","1","1") = "6"
    & skf18("6","2","4","7","1","2","1") = "6"
    & skf18("6","2","4","7","1","3","1") = "6"
    & skf18("6","2","4","7","1","4","1") = "6"
    & skf18("6","2","4","7","1","5","1") = "6"
    & skf18("6","2","4","7","1","6","1") = "6"
    & skf18("6","2","4","7","1","7","1") = "6"
    & skf18("6","2","4","7","1","8","1") = "7"
    & skf18("6","2","4","7","1","9","1") = "8"
    & skf18("6","2","4","7","1","10","1") = "9"
    & skf18("6","2","4","7","2","1","1") = "6"
    & skf18("6","2","4","7","2","2","1") = "6"
    & skf18("6","2","4","7","2","3","1") = "6"
    & skf18("6","2","4","7","2","4","1") = "6"
    & skf18("6","2","4","7","2","5","1") = "6"
    & skf18("6","2","4","7","2","6","1") = "6"
    & skf18("6","2","4","7","2","7","1") = "6"
    & skf18("6","2","4","7","2","8","1") = "7"
    & skf18("6","2","4","7","2","9","1") = "8"
    & skf18("6","2","4","7","2","10","1") = "9"
    & skf18("6","2","4","7","3","1","1") = "6"
    & skf18("6","2","4","7","3","2","1") = "6"
    & skf18("6","2","4","7","3","3","1") = "6"
    & skf18("6","2","4","7","3","4","1") = "6"
    & skf18("6","2","4","7","3","5","1") = "6"
    & skf18("6","2","4","7","3","6","1") = "6"
    & skf18("6","2","4","7","3","7","1") = "6"
    & skf18("6","2","4","7","3","8","1") = "7"
    & skf18("6","2","4","7","3","9","1") = "8"
    & skf18("6","2","4","7","3","10","1") = "9"
    & skf18("6","2","4","7","4","1","1") = "6"
    & skf18("6","2","4","7","4","2","1") = "6"
    & skf18("6","2","4","7","4","3","1") = "6"
    & skf18("6","2","4","7","4","4","1") = "6"
    & skf18("6","2","4","7","4","5","1") = "6"
    & skf18("6","2","4","7","4","6","1") = "6"
    & skf18("6","2","4","7","4","7","1") = "6"
    & skf18("6","2","4","7","4","8","1") = "7"
    & skf18("6","2","4","7","4","9","1") = "8"
    & skf18("6","2","4","7","4","10","1") = "9"
    & skf18("6","2","4","7","5","1","1") = "6"
    & skf18("6","2","4","7","5","2","1") = "6"
    & skf18("6","2","4","7","5","3","1") = "6"
    & skf18("6","2","4","7","5","4","1") = "6"
    & skf18("6","2","4","7","5","5","1") = "6"
    & skf18("6","2","4","7","5","6","1") = "6"
    & skf18("6","2","4","7","5","7","1") = "6"
    & skf18("6","2","4","7","5","8","1") = "7"
    & skf18("6","2","4","7","5","9","1") = "8"
    & skf18("6","2","4","7","5","10","1") = "9"
    & skf18("6","2","4","7","6","1","1") = "6"
    & skf18("6","2","4","7","6","2","1") = "6"
    & skf18("6","2","4","7","6","3","1") = "6"
    & skf18("6","2","4","7","6","4","1") = "6"
    & skf18("6","2","4","7","6","5","1") = "6"
    & skf18("6","2","4","7","6","6","1") = "6"
    & skf18("6","2","4","7","6","7","1") = "6"
    & skf18("6","2","4","7","6","8","1") = "7"
    & skf18("6","2","4","7","6","9","1") = "8"
    & skf18("6","2","4","7","6","10","1") = "9"
    & skf18("6","2","4","7","7","1","1") = "6"
    & skf18("6","2","4","7","7","2","1") = "6"
    & skf18("6","2","4","7","7","3","1") = "6"
    & skf18("6","2","4","7","7","4","1") = "6"
    & skf18("6","2","4","7","7","5","1") = "6"
    & skf18("6","2","4","7","7","6","1") = "6"
    & skf18("6","2","4","7","7","7","1") = "6"
    & skf18("6","2","4","7","7","8","1") = "7"
    & skf18("6","2","4","7","7","9","1") = "8"
    & skf18("6","2","4","7","7","10","1") = "9"
    & skf18("6","2","4","7","8","1","1") = "7"
    & skf18("6","2","4","7","8","2","1") = "7"
    & skf18("6","2","4","7","8","3","1") = "7"
    & skf18("6","2","4","7","8","4","1") = "7"
    & skf18("6","2","4","7","8","5","1") = "7"
    & skf18("6","2","4","7","8","6","1") = "7"
    & skf18("6","2","4","7","8","7","1") = "7"
    & skf18("6","2","4","7","8","8","1") = "7"
    & skf18("6","2","4","7","8","9","1") = "8"
    & skf18("6","2","4","7","8","10","1") = "9"
    & skf18("6","2","4","7","9","1","1") = "8"
    & skf18("6","2","4","7","9","2","1") = "8"
    & skf18("6","2","4","7","9","3","1") = "8"
    & skf18("6","2","4","7","9","4","1") = "8"
    & skf18("6","2","4","7","9","5","1") = "8"
    & skf18("6","2","4","7","9","6","1") = "8"
    & skf18("6","2","4","7","9","7","1") = "8"
    & skf18("6","2","4","7","9","8","1") = "8"
    & skf18("6","2","4","7","9","9","1") = "8"
    & skf18("6","2","4","7","9","10","1") = "9"
    & skf18("6","2","4","7","10","1","1") = "9"
    & skf18("6","2","4","7","10","2","1") = "9"
    & skf18("6","2","4","7","10","3","1") = "9"
    & skf18("6","2","4","7","10","4","1") = "9"
    & skf18("6","2","4","7","10","5","1") = "9"
    & skf18("6","2","4","7","10","6","1") = "9"
    & skf18("6","2","4","7","10","7","1") = "9"
    & skf18("6","2","4","7","10","8","1") = "9"
    & skf18("6","2","4","7","10","9","1") = "9"
    & skf18("6","2","4","7","10","10","1") = "9"
    & skf18("6","2","4","8","1","1","1") = "7"
    & skf18("6","2","4","8","1","2","1") = "7"
    & skf18("6","2","4","8","1","3","1") = "7"
    & skf18("6","2","4","8","1","4","1") = "7"
    & skf18("6","2","4","8","1","5","1") = "7"
    & skf18("6","2","4","8","1","6","1") = "7"
    & skf18("6","2","4","8","1","7","1") = "7"
    & skf18("6","2","4","8","1","8","1") = "7"
    & skf18("6","2","4","8","1","9","1") = "8"
    & skf18("6","2","4","8","1","10","1") = "9"
    & skf18("6","2","4","8","2","1","1") = "7"
    & skf18("6","2","4","8","2","2","1") = "7"
    & skf18("6","2","4","8","2","3","1") = "7"
    & skf18("6","2","4","8","2","4","1") = "7"
    & skf18("6","2","4","8","2","5","1") = "7"
    & skf18("6","2","4","8","2","6","1") = "7"
    & skf18("6","2","4","8","2","7","1") = "7"
    & skf18("6","2","4","8","2","8","1") = "7"
    & skf18("6","2","4","8","2","9","1") = "8"
    & skf18("6","2","4","8","2","10","1") = "9"
    & skf18("6","2","4","8","3","1","1") = "7"
    & skf18("6","2","4","8","3","2","1") = "7"
    & skf18("6","2","4","8","3","3","1") = "7"
    & skf18("6","2","4","8","3","4","1") = "7"
    & skf18("6","2","4","8","3","5","1") = "7"
    & skf18("6","2","4","8","3","6","1") = "7"
    & skf18("6","2","4","8","3","7","1") = "7"
    & skf18("6","2","4","8","3","8","1") = "7"
    & skf18("6","2","4","8","3","9","1") = "8"
    & skf18("6","2","4","8","3","10","1") = "9"
    & skf18("6","2","4","8","4","1","1") = "7"
    & skf18("6","2","4","8","4","2","1") = "7"
    & skf18("6","2","4","8","4","3","1") = "7"
    & skf18("6","2","4","8","4","4","1") = "7"
    & skf18("6","2","4","8","4","5","1") = "7"
    & skf18("6","2","4","8","4","6","1") = "7"
    & skf18("6","2","4","8","4","7","1") = "7"
    & skf18("6","2","4","8","4","8","1") = "7"
    & skf18("6","2","4","8","4","9","1") = "8"
    & skf18("6","2","4","8","4","10","1") = "9"
    & skf18("6","2","4","8","5","1","1") = "7"
    & skf18("6","2","4","8","5","2","1") = "7"
    & skf18("6","2","4","8","5","3","1") = "7"
    & skf18("6","2","4","8","5","4","1") = "7"
    & skf18("6","2","4","8","5","5","1") = "7"
    & skf18("6","2","4","8","5","6","1") = "7"
    & skf18("6","2","4","8","5","7","1") = "7"
    & skf18("6","2","4","8","5","8","1") = "7"
    & skf18("6","2","4","8","5","9","1") = "8"
    & skf18("6","2","4","8","5","10","1") = "9"
    & skf18("6","2","4","8","6","1","1") = "7"
    & skf18("6","2","4","8","6","2","1") = "7"
    & skf18("6","2","4","8","6","3","1") = "7"
    & skf18("6","2","4","8","6","4","1") = "7"
    & skf18("6","2","4","8","6","5","1") = "7"
    & skf18("6","2","4","8","6","6","1") = "7"
    & skf18("6","2","4","8","6","7","1") = "7"
    & skf18("6","2","4","8","6","8","1") = "7"
    & skf18("6","2","4","8","6","9","1") = "8"
    & skf18("6","2","4","8","6","10","1") = "9"
    & skf18("6","2","4","8","7","1","1") = "7"
    & skf18("6","2","4","8","7","2","1") = "7"
    & skf18("6","2","4","8","7","3","1") = "7"
    & skf18("6","2","4","8","7","4","1") = "7"
    & skf18("6","2","4","8","7","5","1") = "7"
    & skf18("6","2","4","8","7","6","1") = "7"
    & skf18("6","2","4","8","7","7","1") = "7"
    & skf18("6","2","4","8","7","8","1") = "7"
    & skf18("6","2","4","8","7","9","1") = "8"
    & skf18("6","2","4","8","7","10","1") = "9"
    & skf18("6","2","4","8","8","1","1") = "7"
    & skf18("6","2","4","8","8","2","1") = "7"
    & skf18("6","2","4","8","8","3","1") = "7"
    & skf18("6","2","4","8","8","4","1") = "7"
    & skf18("6","2","4","8","8","5","1") = "7"
    & skf18("6","2","4","8","8","6","1") = "7"
    & skf18("6","2","4","8","8","7","1") = "7"
    & skf18("6","2","4","8","8","8","1") = "7"
    & skf18("6","2","4","8","8","9","1") = "8"
    & skf18("6","2","4","8","8","10","1") = "9"
    & skf18("6","2","4","8","9","1","1") = "8"
    & skf18("6","2","4","8","9","2","1") = "8"
    & skf18("6","2","4","8","9","3","1") = "8"
    & skf18("6","2","4","8","9","4","1") = "8"
    & skf18("6","2","4","8","9","5","1") = "8"
    & skf18("6","2","4","8","9","6","1") = "8"
    & skf18("6","2","4","8","9","7","1") = "8"
    & skf18("6","2","4","8","9","8","1") = "8"
    & skf18("6","2","4","8","9","9","1") = "8"
    & skf18("6","2","4","8","9","10","1") = "9"
    & skf18("6","2","4","8","10","1","1") = "9"
    & skf18("6","2","4","8","10","2","1") = "9"
    & skf18("6","2","4","8","10","3","1") = "9"
    & skf18("6","2","4","8","10","4","1") = "9"
    & skf18("6","2","4","8","10","5","1") = "9"
    & skf18("6","2","4","8","10","6","1") = "9"
    & skf18("6","2","4","8","10","7","1") = "9"
    & skf18("6","2","4","8","10","8","1") = "9"
    & skf18("6","2","4","8","10","9","1") = "9"
    & skf18("6","2","4","8","10","10","1") = "9"
    & skf18("6","2","4","9","1","1","1") = "8"
    & skf18("6","2","4","9","1","2","1") = "8"
    & skf18("6","2","4","9","1","3","1") = "8"
    & skf18("6","2","4","9","1","4","1") = "8"
    & skf18("6","2","4","9","1","5","1") = "8"
    & skf18("6","2","4","9","1","6","1") = "8"
    & skf18("6","2","4","9","1","7","1") = "8"
    & skf18("6","2","4","9","1","8","1") = "8"
    & skf18("6","2","4","9","1","9","1") = "8"
    & skf18("6","2","4","9","1","10","1") = "9"
    & skf18("6","2","4","9","2","1","1") = "8"
    & skf18("6","2","4","9","2","2","1") = "8"
    & skf18("6","2","4","9","2","3","1") = "8"
    & skf18("6","2","4","9","2","4","1") = "8"
    & skf18("6","2","4","9","2","5","1") = "8"
    & skf18("6","2","4","9","2","6","1") = "8"
    & skf18("6","2","4","9","2","7","1") = "8"
    & skf18("6","2","4","9","2","8","1") = "8"
    & skf18("6","2","4","9","2","9","1") = "8"
    & skf18("6","2","4","9","2","10","1") = "9"
    & skf18("6","2","4","9","3","1","1") = "8"
    & skf18("6","2","4","9","3","2","1") = "8"
    & skf18("6","2","4","9","3","3","1") = "8"
    & skf18("6","2","4","9","3","4","1") = "8"
    & skf18("6","2","4","9","3","5","1") = "8"
    & skf18("6","2","4","9","3","6","1") = "8"
    & skf18("6","2","4","9","3","7","1") = "8"
    & skf18("6","2","4","9","3","8","1") = "8"
    & skf18("6","2","4","9","3","9","1") = "8"
    & skf18("6","2","4","9","3","10","1") = "9"
    & skf18("6","2","4","9","4","1","1") = "8"
    & skf18("6","2","4","9","4","2","1") = "8"
    & skf18("6","2","4","9","4","3","1") = "8"
    & skf18("6","2","4","9","4","4","1") = "8"
    & skf18("6","2","4","9","4","5","1") = "8"
    & skf18("6","2","4","9","4","6","1") = "8"
    & skf18("6","2","4","9","4","7","1") = "8"
    & skf18("6","2","4","9","4","8","1") = "8"
    & skf18("6","2","4","9","4","9","1") = "8"
    & skf18("6","2","4","9","4","10","1") = "9"
    & skf18("6","2","4","9","5","1","1") = "8"
    & skf18("6","2","4","9","5","2","1") = "8"
    & skf18("6","2","4","9","5","3","1") = "8"
    & skf18("6","2","4","9","5","4","1") = "8"
    & skf18("6","2","4","9","5","5","1") = "8"
    & skf18("6","2","4","9","5","6","1") = "8"
    & skf18("6","2","4","9","5","7","1") = "8"
    & skf18("6","2","4","9","5","8","1") = "8"
    & skf18("6","2","4","9","5","9","1") = "8"
    & skf18("6","2","4","9","5","10","1") = "9"
    & skf18("6","2","4","9","6","1","1") = "8"
    & skf18("6","2","4","9","6","2","1") = "8"
    & skf18("6","2","4","9","6","3","1") = "8"
    & skf18("6","2","4","9","6","4","1") = "8"
    & skf18("6","2","4","9","6","5","1") = "8"
    & skf18("6","2","4","9","6","6","1") = "8"
    & skf18("6","2","4","9","6","7","1") = "8"
    & skf18("6","2","4","9","6","8","1") = "8"
    & skf18("6","2","4","9","6","9","1") = "8"
    & skf18("6","2","4","9","6","10","1") = "9"
    & skf18("6","2","4","9","7","1","1") = "8"
    & skf18("6","2","4","9","7","2","1") = "8"
    & skf18("6","2","4","9","7","3","1") = "8"
    & skf18("6","2","4","9","7","4","1") = "8"
    & skf18("6","2","4","9","7","5","1") = "8"
    & skf18("6","2","4","9","7","6","1") = "8"
    & skf18("6","2","4","9","7","7","1") = "8"
    & skf18("6","2","4","9","7","8","1") = "8"
    & skf18("6","2","4","9","7","9","1") = "8"
    & skf18("6","2","4","9","7","10","1") = "9"
    & skf18("6","2","4","9","8","1","1") = "8"
    & skf18("6","2","4","9","8","2","1") = "8"
    & skf18("6","2","4","9","8","3","1") = "8"
    & skf18("6","2","4","9","8","4","1") = "8"
    & skf18("6","2","4","9","8","5","1") = "8"
    & skf18("6","2","4","9","8","6","1") = "8"
    & skf18("6","2","4","9","8","7","1") = "8"
    & skf18("6","2","4","9","8","8","1") = "8"
    & skf18("6","2","4","9","8","9","1") = "8"
    & skf18("6","2","4","9","8","10","1") = "9"
    & skf18("6","2","4","9","9","1","1") = "8"
    & skf18("6","2","4","9","9","2","1") = "8"
    & skf18("6","2","4","9","9","3","1") = "8"
    & skf18("6","2","4","9","9","4","1") = "8"
    & skf18("6","2","4","9","9","5","1") = "8"
    & skf18("6","2","4","9","9","6","1") = "8"
    & skf18("6","2","4","9","9","7","1") = "8"
    & skf18("6","2","4","9","9","8","1") = "8"
    & skf18("6","2","4","9","9","9","1") = "8"
    & skf18("6","2","4","9","9","10","1") = "9"
    & skf18("6","2","4","9","10","1","1") = "9"
    & skf18("6","2","4","9","10","2","1") = "9"
    & skf18("6","2","4","9","10","3","1") = "9"
    & skf18("6","2","4","9","10","4","1") = "9"
    & skf18("6","2","4","9","10","5","1") = "9"
    & skf18("6","2","4","9","10","6","1") = "9"
    & skf18("6","2","4","9","10","7","1") = "9"
    & skf18("6","2","4","9","10","8","1") = "9"
    & skf18("6","2","4","9","10","9","1") = "9"
    & skf18("6","2","4","9","10","10","1") = "9"
    & skf18("6","2","4","10","1","1","1") = "9"
    & skf18("6","2","4","10","1","2","1") = "9"
    & skf18("6","2","4","10","1","3","1") = "9"
    & skf18("6","2","4","10","1","4","1") = "9"
    & skf18("6","2","4","10","1","5","1") = "9"
    & skf18("6","2","4","10","1","6","1") = "9"
    & skf18("6","2","4","10","1","7","1") = "9"
    & skf18("6","2","4","10","1","8","1") = "9"
    & skf18("6","2","4","10","1","9","1") = "9"
    & skf18("6","2","4","10","1","10","1") = "9"
    & skf18("6","2","4","10","2","1","1") = "9"
    & skf18("6","2","4","10","2","2","1") = "9"
    & skf18("6","2","4","10","2","3","1") = "9"
    & skf18("6","2","4","10","2","4","1") = "9"
    & skf18("6","2","4","10","2","5","1") = "9"
    & skf18("6","2","4","10","2","6","1") = "9"
    & skf18("6","2","4","10","2","7","1") = "9"
    & skf18("6","2","4","10","2","8","1") = "9"
    & skf18("6","2","4","10","2","9","1") = "9"
    & skf18("6","2","4","10","2","10","1") = "9"
    & skf18("6","2","4","10","3","1","1") = "9"
    & skf18("6","2","4","10","3","2","1") = "9"
    & skf18("6","2","4","10","3","3","1") = "9"
    & skf18("6","2","4","10","3","4","1") = "9"
    & skf18("6","2","4","10","3","5","1") = "9"
    & skf18("6","2","4","10","3","6","1") = "9"
    & skf18("6","2","4","10","3","7","1") = "9"
    & skf18("6","2","4","10","3","8","1") = "9"
    & skf18("6","2","4","10","3","9","1") = "9"
    & skf18("6","2","4","10","3","10","1") = "9"
    & skf18("6","2","4","10","4","1","1") = "9"
    & skf18("6","2","4","10","4","2","1") = "9"
    & skf18("6","2","4","10","4","3","1") = "9"
    & skf18("6","2","4","10","4","4","1") = "9"
    & skf18("6","2","4","10","4","5","1") = "9"
    & skf18("6","2","4","10","4","6","1") = "9"
    & skf18("6","2","4","10","4","7","1") = "9"
    & skf18("6","2","4","10","4","8","1") = "9"
    & skf18("6","2","4","10","4","9","1") = "9"
    & skf18("6","2","4","10","4","10","1") = "9"
    & skf18("6","2","4","10","5","1","1") = "9"
    & skf18("6","2","4","10","5","2","1") = "9"
    & skf18("6","2","4","10","5","3","1") = "9"
    & skf18("6","2","4","10","5","4","1") = "9"
    & skf18("6","2","4","10","5","5","1") = "9"
    & skf18("6","2","4","10","5","6","1") = "9"
    & skf18("6","2","4","10","5","7","1") = "9"
    & skf18("6","2","4","10","5","8","1") = "9"
    & skf18("6","2","4","10","5","9","1") = "9"
    & skf18("6","2","4","10","5","10","1") = "9"
    & skf18("6","2","4","10","6","1","1") = "9"
    & skf18("6","2","4","10","6","2","1") = "9"
    & skf18("6","2","4","10","6","3","1") = "9"
    & skf18("6","2","4","10","6","4","1") = "9"
    & skf18("6","2","4","10","6","5","1") = "9"
    & skf18("6","2","4","10","6","6","1") = "9"
    & skf18("6","2","4","10","6","7","1") = "9"
    & skf18("6","2","4","10","6","8","1") = "9"
    & skf18("6","2","4","10","6","9","1") = "9"
    & skf18("6","2","4","10","6","10","1") = "9"
    & skf18("6","2","4","10","7","1","1") = "9"
    & skf18("6","2","4","10","7","2","1") = "9"
    & skf18("6","2","4","10","7","3","1") = "9"
    & skf18("6","2","4","10","7","4","1") = "9"
    & skf18("6","2","4","10","7","5","1") = "9"
    & skf18("6","2","4","10","7","6","1") = "9"
    & skf18("6","2","4","10","7","7","1") = "9"
    & skf18("6","2","4","10","7","8","1") = "9"
    & skf18("6","2","4","10","7","9","1") = "9"
    & skf18("6","2","4","10","7","10","1") = "9"
    & skf18("6","2","4","10","8","1","1") = "9"
    & skf18("6","2","4","10","8","2","1") = "9"
    & skf18("6","2","4","10","8","3","1") = "9"
    & skf18("6","2","4","10","8","4","1") = "9"
    & skf18("6","2","4","10","8","5","1") = "9"
    & skf18("6","2","4","10","8","6","1") = "9"
    & skf18("6","2","4","10","8","7","1") = "9"
    & skf18("6","2","4","10","8","8","1") = "9"
    & skf18("6","2","4","10","8","9","1") = "9"
    & skf18("6","2","4","10","8","10","1") = "9"
    & skf18("6","2","4","10","9","1","1") = "9"
    & skf18("6","2","4","10","9","2","1") = "9"
    & skf18("6","2","4","10","9","3","1") = "9"
    & skf18("6","2","4","10","9","4","1") = "9"
    & skf18("6","2","4","10","9","5","1") = "9"
    & skf18("6","2","4","10","9","6","1") = "9"
    & skf18("6","2","4","10","9","7","1") = "9"
    & skf18("6","2","4","10","9","8","1") = "9"
    & skf18("6","2","4","10","9","9","1") = "9"
    & skf18("6","2","4","10","9","10","1") = "9"
    & skf18("6","2","4","10","10","1","1") = "9"
    & skf18("6","2","4","10","10","2","1") = "9"
    & skf18("6","2","4","10","10","3","1") = "9"
    & skf18("6","2","4","10","10","4","1") = "9"
    & skf18("6","2","4","10","10","5","1") = "9"
    & skf18("6","2","4","10","10","6","1") = "9"
    & skf18("6","2","4","10","10","7","1") = "9"
    & skf18("6","2","4","10","10","8","1") = "9"
    & skf18("6","2","4","10","10","9","1") = "9"
    & skf18("6","2","4","10","10","10","1") = "9"
    & skf18("6","2","5","1","1","1","1") = "5"
    & skf18("6","2","5","1","1","2","1") = "5"
    & skf18("6","2","5","1","1","3","1") = "5"
    & skf18("6","2","5","1","1","4","1") = "5"
    & skf18("6","2","5","1","1","5","1") = "5"
    & skf18("6","2","5","1","1","6","1") = "5"
    & skf18("6","2","5","1","1","7","1") = "6"
    & skf18("6","2","5","1","1","8","1") = "7"
    & skf18("6","2","5","1","1","9","1") = "8"
    & skf18("6","2","5","1","1","10","1") = "9"
    & skf18("6","2","5","1","2","1","1") = "5"
    & skf18("6","2","5","1","2","2","1") = "5"
    & skf18("6","2","5","1","2","3","1") = "5"
    & skf18("6","2","5","1","2","4","1") = "5"
    & skf18("6","2","5","1","2","5","1") = "5"
    & skf18("6","2","5","1","2","6","1") = "5"
    & skf18("6","2","5","1","2","7","1") = "6"
    & skf18("6","2","5","1","2","8","1") = "7"
    & skf18("6","2","5","1","2","9","1") = "8"
    & skf18("6","2","5","1","2","10","1") = "9"
    & skf18("6","2","5","1","3","1","1") = "5"
    & skf18("6","2","5","1","3","2","1") = "5"
    & skf18("6","2","5","1","3","3","1") = "5"
    & skf18("6","2","5","1","3","4","1") = "5"
    & skf18("6","2","5","1","3","5","1") = "5"
    & skf18("6","2","5","1","3","6","1") = "5"
    & skf18("6","2","5","1","3","7","1") = "6"
    & skf18("6","2","5","1","3","8","1") = "7"
    & skf18("6","2","5","1","3","9","1") = "8"
    & skf18("6","2","5","1","3","10","1") = "9"
    & skf18("6","2","5","1","4","1","1") = "5"
    & skf18("6","2","5","1","4","2","1") = "5"
    & skf18("6","2","5","1","4","3","1") = "5"
    & skf18("6","2","5","1","4","4","1") = "5"
    & skf18("6","2","5","1","4","5","1") = "5"
    & skf18("6","2","5","1","4","6","1") = "5"
    & skf18("6","2","5","1","4","7","1") = "6"
    & skf18("6","2","5","1","4","8","1") = "7"
    & skf18("6","2","5","1","4","9","1") = "8"
    & skf18("6","2","5","1","4","10","1") = "9"
    & skf18("6","2","5","1","5","1","1") = "5"
    & skf18("6","2","5","1","5","2","1") = "5"
    & skf18("6","2","5","1","5","3","1") = "5"
    & skf18("6","2","5","1","5","4","1") = "5"
    & skf18("6","2","5","1","5","5","1") = "5"
    & skf18("6","2","5","1","5","6","1") = "5"
    & skf18("6","2","5","1","5","7","1") = "6"
    & skf18("6","2","5","1","5","8","1") = "7"
    & skf18("6","2","5","1","5","9","1") = "8"
    & skf18("6","2","5","1","5","10","1") = "9"
    & skf18("6","2","5","1","6","1","1") = "5"
    & skf18("6","2","5","1","6","2","1") = "5"
    & skf18("6","2","5","1","6","3","1") = "5"
    & skf18("6","2","5","1","6","4","1") = "5"
    & skf18("6","2","5","1","6","5","1") = "5"
    & skf18("6","2","5","1","6","6","1") = "5"
    & skf18("6","2","5","1","6","7","1") = "6"
    & skf18("6","2","5","1","6","8","1") = "7"
    & skf18("6","2","5","1","6","9","1") = "8"
    & skf18("6","2","5","1","6","10","1") = "9"
    & skf18("6","2","5","1","7","1","1") = "6"
    & skf18("6","2","5","1","7","2","1") = "6"
    & skf18("6","2","5","1","7","3","1") = "6"
    & skf18("6","2","5","1","7","4","1") = "6"
    & skf18("6","2","5","1","7","5","1") = "6"
    & skf18("6","2","5","1","7","6","1") = "6"
    & skf18("6","2","5","1","7","7","1") = "6"
    & skf18("6","2","5","1","7","8","1") = "7"
    & skf18("6","2","5","1","7","9","1") = "8"
    & skf18("6","2","5","1","7","10","1") = "9"
    & skf18("6","2","5","1","8","1","1") = "7"
    & skf18("6","2","5","1","8","2","1") = "7"
    & skf18("6","2","5","1","8","3","1") = "7"
    & skf18("6","2","5","1","8","4","1") = "7"
    & skf18("6","2","5","1","8","5","1") = "7"
    & skf18("6","2","5","1","8","6","1") = "7"
    & skf18("6","2","5","1","8","7","1") = "7"
    & skf18("6","2","5","1","8","8","1") = "7"
    & skf18("6","2","5","1","8","9","1") = "8"
    & skf18("6","2","5","1","8","10","1") = "9"
    & skf18("6","2","5","1","9","1","1") = "8"
    & skf18("6","2","5","1","9","2","1") = "8"
    & skf18("6","2","5","1","9","3","1") = "8"
    & skf18("6","2","5","1","9","4","1") = "8"
    & skf18("6","2","5","1","9","5","1") = "8"
    & skf18("6","2","5","1","9","6","1") = "8"
    & skf18("6","2","5","1","9","7","1") = "8"
    & skf18("6","2","5","1","9","8","1") = "8"
    & skf18("6","2","5","1","9","9","1") = "8"
    & skf18("6","2","5","1","9","10","1") = "9"
    & skf18("6","2","5","1","10","1","1") = "9"
    & skf18("6","2","5","1","10","2","1") = "9"
    & skf18("6","2","5","1","10","3","1") = "9"
    & skf18("6","2","5","1","10","4","1") = "9"
    & skf18("6","2","5","1","10","5","1") = "9"
    & skf18("6","2","5","1","10","6","1") = "9"
    & skf18("6","2","5","1","10","7","1") = "9"
    & skf18("6","2","5","1","10","8","1") = "9"
    & skf18("6","2","5","1","10","9","1") = "9"
    & skf18("6","2","5","1","10","10","1") = "9"
    & skf18("6","2","5","2","1","1","1") = "5"
    & skf18("6","2","5","2","1","2","1") = "5"
    & skf18("6","2","5","2","1","3","1") = "5"
    & skf18("6","2","5","2","1","4","1") = "5"
    & skf18("6","2","5","2","1","5","1") = "5"
    & skf18("6","2","5","2","1","6","1") = "5"
    & skf18("6","2","5","2","1","7","1") = "6"
    & skf18("6","2","5","2","1","8","1") = "7"
    & skf18("6","2","5","2","1","9","1") = "8"
    & skf18("6","2","5","2","1","10","1") = "9"
    & skf18("6","2","5","2","2","1","1") = "5"
    & skf18("6","2","5","2","2","2","1") = "5"
    & skf18("6","2","5","2","2","3","1") = "5"
    & skf18("6","2","5","2","2","4","1") = "5"
    & skf18("6","2","5","2","2","5","1") = "5"
    & skf18("6","2","5","2","2","6","1") = "5"
    & skf18("6","2","5","2","2","7","1") = "6"
    & skf18("6","2","5","2","2","8","1") = "7"
    & skf18("6","2","5","2","2","9","1") = "8"
    & skf18("6","2","5","2","2","10","1") = "9"
    & skf18("6","2","5","2","3","1","1") = "5"
    & skf18("6","2","5","2","3","2","1") = "5"
    & skf18("6","2","5","2","3","3","1") = "5"
    & skf18("6","2","5","2","3","4","1") = "5"
    & skf18("6","2","5","2","3","5","1") = "5"
    & skf18("6","2","5","2","3","6","1") = "5"
    & skf18("6","2","5","2","3","7","1") = "6"
    & skf18("6","2","5","2","3","8","1") = "7"
    & skf18("6","2","5","2","3","9","1") = "8"
    & skf18("6","2","5","2","3","10","1") = "9"
    & skf18("6","2","5","2","4","1","1") = "5"
    & skf18("6","2","5","2","4","2","1") = "5"
    & skf18("6","2","5","2","4","3","1") = "5"
    & skf18("6","2","5","2","4","4","1") = "5"
    & skf18("6","2","5","2","4","5","1") = "5"
    & skf18("6","2","5","2","4","6","1") = "5"
    & skf18("6","2","5","2","4","7","1") = "6"
    & skf18("6","2","5","2","4","8","1") = "7"
    & skf18("6","2","5","2","4","9","1") = "8"
    & skf18("6","2","5","2","4","10","1") = "9"
    & skf18("6","2","5","2","5","1","1") = "5"
    & skf18("6","2","5","2","5","2","1") = "5"
    & skf18("6","2","5","2","5","3","1") = "5"
    & skf18("6","2","5","2","5","4","1") = "5"
    & skf18("6","2","5","2","5","5","1") = "5"
    & skf18("6","2","5","2","5","6","1") = "5"
    & skf18("6","2","5","2","5","7","1") = "6"
    & skf18("6","2","5","2","5","8","1") = "7"
    & skf18("6","2","5","2","5","9","1") = "8"
    & skf18("6","2","5","2","5","10","1") = "9"
    & skf18("6","2","5","2","6","1","1") = "5"
    & skf18("6","2","5","2","6","2","1") = "5"
    & skf18("6","2","5","2","6","3","1") = "5"
    & skf18("6","2","5","2","6","4","1") = "5"
    & skf18("6","2","5","2","6","5","1") = "5"
    & skf18("6","2","5","2","6","6","1") = "5"
    & skf18("6","2","5","2","6","7","1") = "6"
    & skf18("6","2","5","2","6","8","1") = "7"
    & skf18("6","2","5","2","6","9","1") = "8"
    & skf18("6","2","5","2","6","10","1") = "9"
    & skf18("6","2","5","2","7","1","1") = "6"
    & skf18("6","2","5","2","7","2","1") = "6"
    & skf18("6","2","5","2","7","3","1") = "6"
    & skf18("6","2","5","2","7","4","1") = "6"
    & skf18("6","2","5","2","7","5","1") = "6"
    & skf18("6","2","5","2","7","6","1") = "6"
    & skf18("6","2","5","2","7","7","1") = "6"
    & skf18("6","2","5","2","7","8","1") = "7"
    & skf18("6","2","5","2","7","9","1") = "8"
    & skf18("6","2","5","2","7","10","1") = "9"
    & skf18("6","2","5","2","8","1","1") = "7"
    & skf18("6","2","5","2","8","2","1") = "7"
    & skf18("6","2","5","2","8","3","1") = "7"
    & skf18("6","2","5","2","8","4","1") = "7"
    & skf18("6","2","5","2","8","5","1") = "7"
    & skf18("6","2","5","2","8","6","1") = "7"
    & skf18("6","2","5","2","8","7","1") = "7"
    & skf18("6","2","5","2","8","8","1") = "7"
    & skf18("6","2","5","2","8","9","1") = "8"
    & skf18("6","2","5","2","8","10","1") = "9"
    & skf18("6","2","5","2","9","1","1") = "8"
    & skf18("6","2","5","2","9","2","1") = "8"
    & skf18("6","2","5","2","9","3","1") = "8"
    & skf18("6","2","5","2","9","4","1") = "8"
    & skf18("6","2","5","2","9","5","1") = "8"
    & skf18("6","2","5","2","9","6","1") = "8"
    & skf18("6","2","5","2","9","7","1") = "8"
    & skf18("6","2","5","2","9","8","1") = "8"
    & skf18("6","2","5","2","9","9","1") = "8"
    & skf18("6","2","5","2","9","10","1") = "9"
    & skf18("6","2","5","2","10","1","1") = "9"
    & skf18("6","2","5","2","10","2","1") = "9"
    & skf18("6","2","5","2","10","3","1") = "9"
    & skf18("6","2","5","2","10","4","1") = "9"
    & skf18("6","2","5","2","10","5","1") = "9"
    & skf18("6","2","5","2","10","6","1") = "9"
    & skf18("6","2","5","2","10","7","1") = "9"
    & skf18("6","2","5","2","10","8","1") = "9"
    & skf18("6","2","5","2","10","9","1") = "9"
    & skf18("6","2","5","2","10","10","1") = "9"
    & skf18("6","2","5","3","1","1","1") = "5"
    & skf18("6","2","5","3","1","2","1") = "5"
    & skf18("6","2","5","3","1","3","1") = "5"
    & skf18("6","2","5","3","1","4","1") = "5"
    & skf18("6","2","5","3","1","5","1") = "5"
    & skf18("6","2","5","3","1","6","1") = "5"
    & skf18("6","2","5","3","1","7","1") = "6"
    & skf18("6","2","5","3","1","8","1") = "7"
    & skf18("6","2","5","3","1","9","1") = "8"
    & skf18("6","2","5","3","1","10","1") = "9"
    & skf18("6","2","5","3","2","1","1") = "5"
    & skf18("6","2","5","3","2","2","1") = "5"
    & skf18("6","2","5","3","2","3","1") = "5"
    & skf18("6","2","5","3","2","4","1") = "5"
    & skf18("6","2","5","3","2","5","1") = "5"
    & skf18("6","2","5","3","2","6","1") = "5"
    & skf18("6","2","5","3","2","7","1") = "6"
    & skf18("6","2","5","3","2","8","1") = "7"
    & skf18("6","2","5","3","2","9","1") = "8"
    & skf18("6","2","5","3","2","10","1") = "9"
    & skf18("6","2","5","3","3","1","1") = "5"
    & skf18("6","2","5","3","3","2","1") = "5"
    & skf18("6","2","5","3","3","3","1") = "5"
    & skf18("6","2","5","3","3","4","1") = "5"
    & skf18("6","2","5","3","3","5","1") = "5"
    & skf18("6","2","5","3","3","6","1") = "5"
    & skf18("6","2","5","3","3","7","1") = "6"
    & skf18("6","2","5","3","3","8","1") = "7"
    & skf18("6","2","5","3","3","9","1") = "8"
    & skf18("6","2","5","3","3","10","1") = "9"
    & skf18("6","2","5","3","4","1","1") = "5"
    & skf18("6","2","5","3","4","2","1") = "5"
    & skf18("6","2","5","3","4","3","1") = "5"
    & skf18("6","2","5","3","4","4","1") = "5"
    & skf18("6","2","5","3","4","5","1") = "5"
    & skf18("6","2","5","3","4","6","1") = "5"
    & skf18("6","2","5","3","4","7","1") = "6"
    & skf18("6","2","5","3","4","8","1") = "7"
    & skf18("6","2","5","3","4","9","1") = "8"
    & skf18("6","2","5","3","4","10","1") = "9"
    & skf18("6","2","5","3","5","1","1") = "5"
    & skf18("6","2","5","3","5","2","1") = "5"
    & skf18("6","2","5","3","5","3","1") = "5"
    & skf18("6","2","5","3","5","4","1") = "5"
    & skf18("6","2","5","3","5","5","1") = "5"
    & skf18("6","2","5","3","5","6","1") = "5"
    & skf18("6","2","5","3","5","7","1") = "6"
    & skf18("6","2","5","3","5","8","1") = "7"
    & skf18("6","2","5","3","5","9","1") = "8"
    & skf18("6","2","5","3","5","10","1") = "9"
    & skf18("6","2","5","3","6","1","1") = "5"
    & skf18("6","2","5","3","6","2","1") = "5"
    & skf18("6","2","5","3","6","3","1") = "5"
    & skf18("6","2","5","3","6","4","1") = "5"
    & skf18("6","2","5","3","6","5","1") = "5"
    & skf18("6","2","5","3","6","6","1") = "5"
    & skf18("6","2","5","3","6","7","1") = "6"
    & skf18("6","2","5","3","6","8","1") = "7"
    & skf18("6","2","5","3","6","9","1") = "8"
    & skf18("6","2","5","3","6","10","1") = "9"
    & skf18("6","2","5","3","7","1","1") = "6"
    & skf18("6","2","5","3","7","2","1") = "6"
    & skf18("6","2","5","3","7","3","1") = "6"
    & skf18("6","2","5","3","7","4","1") = "6"
    & skf18("6","2","5","3","7","5","1") = "6"
    & skf18("6","2","5","3","7","6","1") = "6"
    & skf18("6","2","5","3","7","7","1") = "6"
    & skf18("6","2","5","3","7","8","1") = "7"
    & skf18("6","2","5","3","7","9","1") = "8"
    & skf18("6","2","5","3","7","10","1") = "9"
    & skf18("6","2","5","3","8","1","1") = "7"
    & skf18("6","2","5","3","8","2","1") = "7"
    & skf18("6","2","5","3","8","3","1") = "7"
    & skf18("6","2","5","3","8","4","1") = "7"
    & skf18("6","2","5","3","8","5","1") = "7"
    & skf18("6","2","5","3","8","6","1") = "7"
    & skf18("6","2","5","3","8","7","1") = "7"
    & skf18("6","2","5","3","8","8","1") = "7"
    & skf18("6","2","5","3","8","9","1") = "8"
    & skf18("6","2","5","3","8","10","1") = "9"
    & skf18("6","2","5","3","9","1","1") = "8"
    & skf18("6","2","5","3","9","2","1") = "8"
    & skf18("6","2","5","3","9","3","1") = "8"
    & skf18("6","2","5","3","9","4","1") = "8"
    & skf18("6","2","5","3","9","5","1") = "8"
    & skf18("6","2","5","3","9","6","1") = "8"
    & skf18("6","2","5","3","9","7","1") = "8"
    & skf18("6","2","5","3","9","8","1") = "8"
    & skf18("6","2","5","3","9","9","1") = "8"
    & skf18("6","2","5","3","9","10","1") = "9"
    & skf18("6","2","5","3","10","1","1") = "9"
    & skf18("6","2","5","3","10","2","1") = "9"
    & skf18("6","2","5","3","10","3","1") = "9"
    & skf18("6","2","5","3","10","4","1") = "9"
    & skf18("6","2","5","3","10","5","1") = "9"
    & skf18("6","2","5","3","10","6","1") = "9"
    & skf18("6","2","5","3","10","7","1") = "9"
    & skf18("6","2","5","3","10","8","1") = "9"
    & skf18("6","2","5","3","10","9","1") = "9"
    & skf18("6","2","5","3","10","10","1") = "9"
    & skf18("6","2","5","4","1","1","1") = "5"
    & skf18("6","2","5","4","1","2","1") = "5"
    & skf18("6","2","5","4","1","3","1") = "5"
    & skf18("6","2","5","4","1","4","1") = "5"
    & skf18("6","2","5","4","1","5","1") = "5"
    & skf18("6","2","5","4","1","6","1") = "5"
    & skf18("6","2","5","4","1","7","1") = "6"
    & skf18("6","2","5","4","1","8","1") = "7"
    & skf18("6","2","5","4","1","9","1") = "8"
    & skf18("6","2","5","4","1","10","1") = "9"
    & skf18("6","2","5","4","2","1","1") = "5"
    & skf18("6","2","5","4","2","2","1") = "5"
    & skf18("6","2","5","4","2","3","1") = "5"
    & skf18("6","2","5","4","2","4","1") = "5"
    & skf18("6","2","5","4","2","5","1") = "5"
    & skf18("6","2","5","4","2","6","1") = "5"
    & skf18("6","2","5","4","2","7","1") = "6"
    & skf18("6","2","5","4","2","8","1") = "7"
    & skf18("6","2","5","4","2","9","1") = "8"
    & skf18("6","2","5","4","2","10","1") = "9"
    & skf18("6","2","5","4","3","1","1") = "5"
    & skf18("6","2","5","4","3","2","1") = "5"
    & skf18("6","2","5","4","3","3","1") = "5"
    & skf18("6","2","5","4","3","4","1") = "5"
    & skf18("6","2","5","4","3","5","1") = "5"
    & skf18("6","2","5","4","3","6","1") = "5"
    & skf18("6","2","5","4","3","7","1") = "6"
    & skf18("6","2","5","4","3","8","1") = "7"
    & skf18("6","2","5","4","3","9","1") = "8"
    & skf18("6","2","5","4","3","10","1") = "9"
    & skf18("6","2","5","4","4","1","1") = "5"
    & skf18("6","2","5","4","4","2","1") = "5"
    & skf18("6","2","5","4","4","3","1") = "5"
    & skf18("6","2","5","4","4","4","1") = "5"
    & skf18("6","2","5","4","4","5","1") = "5"
    & skf18("6","2","5","4","4","6","1") = "5"
    & skf18("6","2","5","4","4","7","1") = "6"
    & skf18("6","2","5","4","4","8","1") = "7"
    & skf18("6","2","5","4","4","9","1") = "8"
    & skf18("6","2","5","4","4","10","1") = "9"
    & skf18("6","2","5","4","5","1","1") = "5"
    & skf18("6","2","5","4","5","2","1") = "5"
    & skf18("6","2","5","4","5","3","1") = "5"
    & skf18("6","2","5","4","5","4","1") = "5"
    & skf18("6","2","5","4","5","5","1") = "5"
    & skf18("6","2","5","4","5","6","1") = "5"
    & skf18("6","2","5","4","5","7","1") = "6"
    & skf18("6","2","5","4","5","8","1") = "7"
    & skf18("6","2","5","4","5","9","1") = "8"
    & skf18("6","2","5","4","5","10","1") = "9"
    & skf18("6","2","5","4","6","1","1") = "5"
    & skf18("6","2","5","4","6","2","1") = "5"
    & skf18("6","2","5","4","6","3","1") = "5"
    & skf18("6","2","5","4","6","4","1") = "5"
    & skf18("6","2","5","4","6","5","1") = "5"
    & skf18("6","2","5","4","6","6","1") = "5"
    & skf18("6","2","5","4","6","7","1") = "6"
    & skf18("6","2","5","4","6","8","1") = "7"
    & skf18("6","2","5","4","6","9","1") = "8"
    & skf18("6","2","5","4","6","10","1") = "9"
    & skf18("6","2","5","4","7","1","1") = "6"
    & skf18("6","2","5","4","7","2","1") = "6"
    & skf18("6","2","5","4","7","3","1") = "6"
    & skf18("6","2","5","4","7","4","1") = "6"
    & skf18("6","2","5","4","7","5","1") = "6"
    & skf18("6","2","5","4","7","6","1") = "6"
    & skf18("6","2","5","4","7","7","1") = "6"
    & skf18("6","2","5","4","7","8","1") = "7"
    & skf18("6","2","5","4","7","9","1") = "8"
    & skf18("6","2","5","4","7","10","1") = "9"
    & skf18("6","2","5","4","8","1","1") = "7"
    & skf18("6","2","5","4","8","2","1") = "7"
    & skf18("6","2","5","4","8","3","1") = "7"
    & skf18("6","2","5","4","8","4","1") = "7"
    & skf18("6","2","5","4","8","5","1") = "7"
    & skf18("6","2","5","4","8","6","1") = "7"
    & skf18("6","2","5","4","8","7","1") = "7"
    & skf18("6","2","5","4","8","8","1") = "7"
    & skf18("6","2","5","4","8","9","1") = "8"
    & skf18("6","2","5","4","8","10","1") = "9"
    & skf18("6","2","5","4","9","1","1") = "8"
    & skf18("6","2","5","4","9","2","1") = "8"
    & skf18("6","2","5","4","9","3","1") = "8"
    & skf18("6","2","5","4","9","4","1") = "8"
    & skf18("6","2","5","4","9","5","1") = "8"
    & skf18("6","2","5","4","9","6","1") = "8"
    & skf18("6","2","5","4","9","7","1") = "8"
    & skf18("6","2","5","4","9","8","1") = "8"
    & skf18("6","2","5","4","9","9","1") = "8"
    & skf18("6","2","5","4","9","10","1") = "9"
    & skf18("6","2","5","4","10","1","1") = "9"
    & skf18("6","2","5","4","10","2","1") = "9"
    & skf18("6","2","5","4","10","3","1") = "9"
    & skf18("6","2","5","4","10","4","1") = "9"
    & skf18("6","2","5","4","10","5","1") = "9"
    & skf18("6","2","5","4","10","6","1") = "9"
    & skf18("6","2","5","4","10","7","1") = "9"
    & skf18("6","2","5","4","10","8","1") = "9"
    & skf18("6","2","5","4","10","9","1") = "9"
    & skf18("6","2","5","4","10","10","1") = "9"
    & skf18("6","2","5","5","1","1","1") = "5"
    & skf18("6","2","5","5","1","2","1") = "5"
    & skf18("6","2","5","5","1","3","1") = "5"
    & skf18("6","2","5","5","1","4","1") = "5"
    & skf18("6","2","5","5","1","5","1") = "5"
    & skf18("6","2","5","5","1","6","1") = "5"
    & skf18("6","2","5","5","1","7","1") = "6"
    & skf18("6","2","5","5","1","8","1") = "7"
    & skf18("6","2","5","5","1","9","1") = "8"
    & skf18("6","2","5","5","1","10","1") = "9"
    & skf18("6","2","5","5","2","1","1") = "5"
    & skf18("6","2","5","5","2","2","1") = "5"
    & skf18("6","2","5","5","2","3","1") = "5"
    & skf18("6","2","5","5","2","4","1") = "5"
    & skf18("6","2","5","5","2","5","1") = "5"
    & skf18("6","2","5","5","2","6","1") = "5"
    & skf18("6","2","5","5","2","7","1") = "6"
    & skf18("6","2","5","5","2","8","1") = "7"
    & skf18("6","2","5","5","2","9","1") = "8"
    & skf18("6","2","5","5","2","10","1") = "9"
    & skf18("6","2","5","5","3","1","1") = "5"
    & skf18("6","2","5","5","3","2","1") = "5"
    & skf18("6","2","5","5","3","3","1") = "5"
    & skf18("6","2","5","5","3","4","1") = "5"
    & skf18("6","2","5","5","3","5","1") = "5"
    & skf18("6","2","5","5","3","6","1") = "5"
    & skf18("6","2","5","5","3","7","1") = "6"
    & skf18("6","2","5","5","3","8","1") = "7"
    & skf18("6","2","5","5","3","9","1") = "8"
    & skf18("6","2","5","5","3","10","1") = "9"
    & skf18("6","2","5","5","4","1","1") = "5"
    & skf18("6","2","5","5","4","2","1") = "5"
    & skf18("6","2","5","5","4","3","1") = "5"
    & skf18("6","2","5","5","4","4","1") = "5"
    & skf18("6","2","5","5","4","5","1") = "5"
    & skf18("6","2","5","5","4","6","1") = "5"
    & skf18("6","2","5","5","4","7","1") = "6"
    & skf18("6","2","5","5","4","8","1") = "7"
    & skf18("6","2","5","5","4","9","1") = "8"
    & skf18("6","2","5","5","4","10","1") = "9"
    & skf18("6","2","5","5","5","1","1") = "5"
    & skf18("6","2","5","5","5","2","1") = "5"
    & skf18("6","2","5","5","5","3","1") = "5"
    & skf18("6","2","5","5","5","4","1") = "5"
    & skf18("6","2","5","5","5","5","1") = "5"
    & skf18("6","2","5","5","5","6","1") = "5"
    & skf18("6","2","5","5","5","7","1") = "6"
    & skf18("6","2","5","5","5","8","1") = "7"
    & skf18("6","2","5","5","5","9","1") = "8"
    & skf18("6","2","5","5","5","10","1") = "9"
    & skf18("6","2","5","5","6","1","1") = "5"
    & skf18("6","2","5","5","6","2","1") = "5"
    & skf18("6","2","5","5","6","3","1") = "5"
    & skf18("6","2","5","5","6","4","1") = "5"
    & skf18("6","2","5","5","6","5","1") = "5"
    & skf18("6","2","5","5","6","6","1") = "5"
    & skf18("6","2","5","5","6","7","1") = "6"
    & skf18("6","2","5","5","6","8","1") = "7"
    & skf18("6","2","5","5","6","9","1") = "8"
    & skf18("6","2","5","5","6","10","1") = "9"
    & skf18("6","2","5","5","7","1","1") = "6"
    & skf18("6","2","5","5","7","2","1") = "6"
    & skf18("6","2","5","5","7","3","1") = "6"
    & skf18("6","2","5","5","7","4","1") = "6"
    & skf18("6","2","5","5","7","5","1") = "6"
    & skf18("6","2","5","5","7","6","1") = "6"
    & skf18("6","2","5","5","7","7","1") = "6"
    & skf18("6","2","5","5","7","8","1") = "7"
    & skf18("6","2","5","5","7","9","1") = "8"
    & skf18("6","2","5","5","7","10","1") = "9"
    & skf18("6","2","5","5","8","1","1") = "7"
    & skf18("6","2","5","5","8","2","1") = "7"
    & skf18("6","2","5","5","8","3","1") = "7"
    & skf18("6","2","5","5","8","4","1") = "7"
    & skf18("6","2","5","5","8","5","1") = "7"
    & skf18("6","2","5","5","8","6","1") = "7"
    & skf18("6","2","5","5","8","7","1") = "7"
    & skf18("6","2","5","5","8","8","1") = "7"
    & skf18("6","2","5","5","8","9","1") = "8"
    & skf18("6","2","5","5","8","10","1") = "9"
    & skf18("6","2","5","5","9","1","1") = "8"
    & skf18("6","2","5","5","9","2","1") = "8"
    & skf18("6","2","5","5","9","3","1") = "8"
    & skf18("6","2","5","5","9","4","1") = "8"
    & skf18("6","2","5","5","9","5","1") = "8"
    & skf18("6","2","5","5","9","6","1") = "8"
    & skf18("6","2","5","5","9","7","1") = "8"
    & skf18("6","2","5","5","9","8","1") = "8"
    & skf18("6","2","5","5","9","9","1") = "8"
    & skf18("6","2","5","5","9","10","1") = "9"
    & skf18("6","2","5","5","10","1","1") = "9"
    & skf18("6","2","5","5","10","2","1") = "9"
    & skf18("6","2","5","5","10","3","1") = "9"
    & skf18("6","2","5","5","10","4","1") = "9"
    & skf18("6","2","5","5","10","5","1") = "9"
    & skf18("6","2","5","5","10","6","1") = "9"
    & skf18("6","2","5","5","10","7","1") = "9"
    & skf18("6","2","5","5","10","8","1") = "9"
    & skf18("6","2","5","5","10","9","1") = "9"
    & skf18("6","2","5","5","10","10","1") = "9"
    & skf18("6","2","5","6","1","1","1") = "5"
    & skf18("6","2","5","6","1","2","1") = "5"
    & skf18("6","2","5","6","1","3","1") = "5"
    & skf18("6","2","5","6","1","4","1") = "5"
    & skf18("6","2","5","6","1","5","1") = "5"
    & skf18("6","2","5","6","1","6","1") = "5"
    & skf18("6","2","5","6","1","7","1") = "6"
    & skf18("6","2","5","6","1","8","1") = "7"
    & skf18("6","2","5","6","1","9","1") = "8"
    & skf18("6","2","5","6","1","10","1") = "9"
    & skf18("6","2","5","6","2","1","1") = "5"
    & skf18("6","2","5","6","2","2","1") = "5"
    & skf18("6","2","5","6","2","3","1") = "5"
    & skf18("6","2","5","6","2","4","1") = "5"
    & skf18("6","2","5","6","2","5","1") = "5"
    & skf18("6","2","5","6","2","6","1") = "5"
    & skf18("6","2","5","6","2","7","1") = "6"
    & skf18("6","2","5","6","2","8","1") = "7"
    & skf18("6","2","5","6","2","9","1") = "8"
    & skf18("6","2","5","6","2","10","1") = "9"
    & skf18("6","2","5","6","3","1","1") = "5"
    & skf18("6","2","5","6","3","2","1") = "5"
    & skf18("6","2","5","6","3","3","1") = "5"
    & skf18("6","2","5","6","3","4","1") = "5"
    & skf18("6","2","5","6","3","5","1") = "5"
    & skf18("6","2","5","6","3","6","1") = "5"
    & skf18("6","2","5","6","3","7","1") = "6"
    & skf18("6","2","5","6","3","8","1") = "7"
    & skf18("6","2","5","6","3","9","1") = "8"
    & skf18("6","2","5","6","3","10","1") = "9"
    & skf18("6","2","5","6","4","1","1") = "5"
    & skf18("6","2","5","6","4","2","1") = "5"
    & skf18("6","2","5","6","4","3","1") = "5"
    & skf18("6","2","5","6","4","4","1") = "5"
    & skf18("6","2","5","6","4","5","1") = "5"
    & skf18("6","2","5","6","4","6","1") = "5"
    & skf18("6","2","5","6","4","7","1") = "6"
    & skf18("6","2","5","6","4","8","1") = "7"
    & skf18("6","2","5","6","4","9","1") = "8"
    & skf18("6","2","5","6","4","10","1") = "9"
    & skf18("6","2","5","6","5","1","1") = "5"
    & skf18("6","2","5","6","5","2","1") = "5"
    & skf18("6","2","5","6","5","3","1") = "5"
    & skf18("6","2","5","6","5","4","1") = "5"
    & skf18("6","2","5","6","5","5","1") = "5"
    & skf18("6","2","5","6","5","6","1") = "5"
    & skf18("6","2","5","6","5","7","1") = "6"
    & skf18("6","2","5","6","5","8","1") = "7"
    & skf18("6","2","5","6","5","9","1") = "8"
    & skf18("6","2","5","6","5","10","1") = "9"
    & skf18("6","2","5","6","6","1","1") = "5"
    & skf18("6","2","5","6","6","2","1") = "5"
    & skf18("6","2","5","6","6","3","1") = "5"
    & skf18("6","2","5","6","6","4","1") = "5"
    & skf18("6","2","5","6","6","5","1") = "5"
    & skf18("6","2","5","6","6","6","1") = "5"
    & skf18("6","2","5","6","6","7","1") = "6"
    & skf18("6","2","5","6","6","8","1") = "7"
    & skf18("6","2","5","6","6","9","1") = "8"
    & skf18("6","2","5","6","6","10","1") = "9"
    & skf18("6","2","5","6","7","1","1") = "6"
    & skf18("6","2","5","6","7","2","1") = "6"
    & skf18("6","2","5","6","7","3","1") = "6"
    & skf18("6","2","5","6","7","4","1") = "6"
    & skf18("6","2","5","6","7","5","1") = "6"
    & skf18("6","2","5","6","7","6","1") = "6"
    & skf18("6","2","5","6","7","7","1") = "6"
    & skf18("6","2","5","6","7","8","1") = "7"
    & skf18("6","2","5","6","7","9","1") = "8"
    & skf18("6","2","5","6","7","10","1") = "9"
    & skf18("6","2","5","6","8","1","1") = "7"
    & skf18("6","2","5","6","8","2","1") = "7"
    & skf18("6","2","5","6","8","3","1") = "7"
    & skf18("6","2","5","6","8","4","1") = "7"
    & skf18("6","2","5","6","8","5","1") = "7"
    & skf18("6","2","5","6","8","6","1") = "7"
    & skf18("6","2","5","6","8","7","1") = "7"
    & skf18("6","2","5","6","8","8","1") = "7"
    & skf18("6","2","5","6","8","9","1") = "8"
    & skf18("6","2","5","6","8","10","1") = "9"
    & skf18("6","2","5","6","9","1","1") = "8"
    & skf18("6","2","5","6","9","2","1") = "8"
    & skf18("6","2","5","6","9","3","1") = "8"
    & skf18("6","2","5","6","9","4","1") = "8"
    & skf18("6","2","5","6","9","5","1") = "8"
    & skf18("6","2","5","6","9","6","1") = "8"
    & skf18("6","2","5","6","9","7","1") = "8"
    & skf18("6","2","5","6","9","8","1") = "8"
    & skf18("6","2","5","6","9","9","1") = "8"
    & skf18("6","2","5","6","9","10","1") = "9"
    & skf18("6","2","5","6","10","1","1") = "9"
    & skf18("6","2","5","6","10","2","1") = "9"
    & skf18("6","2","5","6","10","3","1") = "9"
    & skf18("6","2","5","6","10","4","1") = "9"
    & skf18("6","2","5","6","10","5","1") = "9"
    & skf18("6","2","5","6","10","6","1") = "9"
    & skf18("6","2","5","6","10","7","1") = "9"
    & skf18("6","2","5","6","10","8","1") = "9"
    & skf18("6","2","5","6","10","9","1") = "9"
    & skf18("6","2","5","6","10","10","1") = "9"
    & skf18("6","2","5","7","1","1","1") = "6"
    & skf18("6","2","5","7","1","2","1") = "6"
    & skf18("6","2","5","7","1","3","1") = "6"
    & skf18("6","2","5","7","1","4","1") = "6"
    & skf18("6","2","5","7","1","5","1") = "6"
    & skf18("6","2","5","7","1","6","1") = "6"
    & skf18("6","2","5","7","1","7","1") = "6"
    & skf18("6","2","5","7","1","8","1") = "7"
    & skf18("6","2","5","7","1","9","1") = "8"
    & skf18("6","2","5","7","1","10","1") = "9"
    & skf18("6","2","5","7","2","1","1") = "6"
    & skf18("6","2","5","7","2","2","1") = "6"
    & skf18("6","2","5","7","2","3","1") = "6"
    & skf18("6","2","5","7","2","4","1") = "6"
    & skf18("6","2","5","7","2","5","1") = "6"
    & skf18("6","2","5","7","2","6","1") = "6"
    & skf18("6","2","5","7","2","7","1") = "6"
    & skf18("6","2","5","7","2","8","1") = "7"
    & skf18("6","2","5","7","2","9","1") = "8"
    & skf18("6","2","5","7","2","10","1") = "9"
    & skf18("6","2","5","7","3","1","1") = "6"
    & skf18("6","2","5","7","3","2","1") = "6"
    & skf18("6","2","5","7","3","3","1") = "6"
    & skf18("6","2","5","7","3","4","1") = "6"
    & skf18("6","2","5","7","3","5","1") = "6"
    & skf18("6","2","5","7","3","6","1") = "6"
    & skf18("6","2","5","7","3","7","1") = "6"
    & skf18("6","2","5","7","3","8","1") = "7"
    & skf18("6","2","5","7","3","9","1") = "8"
    & skf18("6","2","5","7","3","10","1") = "9"
    & skf18("6","2","5","7","4","1","1") = "6"
    & skf18("6","2","5","7","4","2","1") = "6"
    & skf18("6","2","5","7","4","3","1") = "6"
    & skf18("6","2","5","7","4","4","1") = "6"
    & skf18("6","2","5","7","4","5","1") = "6"
    & skf18("6","2","5","7","4","6","1") = "6"
    & skf18("6","2","5","7","4","7","1") = "6"
    & skf18("6","2","5","7","4","8","1") = "7"
    & skf18("6","2","5","7","4","9","1") = "8"
    & skf18("6","2","5","7","4","10","1") = "9"
    & skf18("6","2","5","7","5","1","1") = "6"
    & skf18("6","2","5","7","5","2","1") = "6"
    & skf18("6","2","5","7","5","3","1") = "6"
    & skf18("6","2","5","7","5","4","1") = "6"
    & skf18("6","2","5","7","5","5","1") = "6"
    & skf18("6","2","5","7","5","6","1") = "6"
    & skf18("6","2","5","7","5","7","1") = "6"
    & skf18("6","2","5","7","5","8","1") = "7"
    & skf18("6","2","5","7","5","9","1") = "8"
    & skf18("6","2","5","7","5","10","1") = "9"
    & skf18("6","2","5","7","6","1","1") = "6"
    & skf18("6","2","5","7","6","2","1") = "6"
    & skf18("6","2","5","7","6","3","1") = "6"
    & skf18("6","2","5","7","6","4","1") = "6"
    & skf18("6","2","5","7","6","5","1") = "6"
    & skf18("6","2","5","7","6","6","1") = "6"
    & skf18("6","2","5","7","6","7","1") = "6"
    & skf18("6","2","5","7","6","8","1") = "7"
    & skf18("6","2","5","7","6","9","1") = "8"
    & skf18("6","2","5","7","6","10","1") = "9"
    & skf18("6","2","5","7","7","1","1") = "6"
    & skf18("6","2","5","7","7","2","1") = "6"
    & skf18("6","2","5","7","7","3","1") = "6"
    & skf18("6","2","5","7","7","4","1") = "6"
    & skf18("6","2","5","7","7","5","1") = "6"
    & skf18("6","2","5","7","7","6","1") = "6"
    & skf18("6","2","5","7","7","7","1") = "6"
    & skf18("6","2","5","7","7","8","1") = "7"
    & skf18("6","2","5","7","7","9","1") = "8"
    & skf18("6","2","5","7","7","10","1") = "9"
    & skf18("6","2","5","7","8","1","1") = "7"
    & skf18("6","2","5","7","8","2","1") = "7"
    & skf18("6","2","5","7","8","3","1") = "7"
    & skf18("6","2","5","7","8","4","1") = "7"
    & skf18("6","2","5","7","8","5","1") = "7"
    & skf18("6","2","5","7","8","6","1") = "7"
    & skf18("6","2","5","7","8","7","1") = "7"
    & skf18("6","2","5","7","8","8","1") = "7"
    & skf18("6","2","5","7","8","9","1") = "8"
    & skf18("6","2","5","7","8","10","1") = "9"
    & skf18("6","2","5","7","9","1","1") = "8"
    & skf18("6","2","5","7","9","2","1") = "8"
    & skf18("6","2","5","7","9","3","1") = "8"
    & skf18("6","2","5","7","9","4","1") = "8"
    & skf18("6","2","5","7","9","5","1") = "8"
    & skf18("6","2","5","7","9","6","1") = "8"
    & skf18("6","2","5","7","9","7","1") = "8"
    & skf18("6","2","5","7","9","8","1") = "8"
    & skf18("6","2","5","7","9","9","1") = "8"
    & skf18("6","2","5","7","9","10","1") = "9"
    & skf18("6","2","5","7","10","1","1") = "9"
    & skf18("6","2","5","7","10","2","1") = "9"
    & skf18("6","2","5","7","10","3","1") = "9"
    & skf18("6","2","5","7","10","4","1") = "9"
    & skf18("6","2","5","7","10","5","1") = "9"
    & skf18("6","2","5","7","10","6","1") = "9"
    & skf18("6","2","5","7","10","7","1") = "9"
    & skf18("6","2","5","7","10","8","1") = "9"
    & skf18("6","2","5","7","10","9","1") = "9"
    & skf18("6","2","5","7","10","10","1") = "9"
    & skf18("6","2","5","8","1","1","1") = "7"
    & skf18("6","2","5","8","1","2","1") = "7"
    & skf18("6","2","5","8","1","3","1") = "7"
    & skf18("6","2","5","8","1","4","1") = "7"
    & skf18("6","2","5","8","1","5","1") = "7"
    & skf18("6","2","5","8","1","6","1") = "7"
    & skf18("6","2","5","8","1","7","1") = "7"
    & skf18("6","2","5","8","1","8","1") = "7"
    & skf18("6","2","5","8","1","9","1") = "8"
    & skf18("6","2","5","8","1","10","1") = "9"
    & skf18("6","2","5","8","2","1","1") = "7"
    & skf18("6","2","5","8","2","2","1") = "7"
    & skf18("6","2","5","8","2","3","1") = "7"
    & skf18("6","2","5","8","2","4","1") = "7"
    & skf18("6","2","5","8","2","5","1") = "7"
    & skf18("6","2","5","8","2","6","1") = "7"
    & skf18("6","2","5","8","2","7","1") = "7"
    & skf18("6","2","5","8","2","8","1") = "7"
    & skf18("6","2","5","8","2","9","1") = "8"
    & skf18("6","2","5","8","2","10","1") = "9"
    & skf18("6","2","5","8","3","1","1") = "7"
    & skf18("6","2","5","8","3","2","1") = "7"
    & skf18("6","2","5","8","3","3","1") = "7"
    & skf18("6","2","5","8","3","4","1") = "7"
    & skf18("6","2","5","8","3","5","1") = "7"
    & skf18("6","2","5","8","3","6","1") = "7"
    & skf18("6","2","5","8","3","7","1") = "7"
    & skf18("6","2","5","8","3","8","1") = "7"
    & skf18("6","2","5","8","3","9","1") = "8"
    & skf18("6","2","5","8","3","10","1") = "9"
    & skf18("6","2","5","8","4","1","1") = "7"
    & skf18("6","2","5","8","4","2","1") = "7"
    & skf18("6","2","5","8","4","3","1") = "7"
    & skf18("6","2","5","8","4","4","1") = "7"
    & skf18("6","2","5","8","4","5","1") = "7"
    & skf18("6","2","5","8","4","6","1") = "7"
    & skf18("6","2","5","8","4","7","1") = "7"
    & skf18("6","2","5","8","4","8","1") = "7"
    & skf18("6","2","5","8","4","9","1") = "8"
    & skf18("6","2","5","8","4","10","1") = "9"
    & skf18("6","2","5","8","5","1","1") = "7"
    & skf18("6","2","5","8","5","2","1") = "7"
    & skf18("6","2","5","8","5","3","1") = "7"
    & skf18("6","2","5","8","5","4","1") = "7"
    & skf18("6","2","5","8","5","5","1") = "7"
    & skf18("6","2","5","8","5","6","1") = "7"
    & skf18("6","2","5","8","5","7","1") = "7"
    & skf18("6","2","5","8","5","8","1") = "7"
    & skf18("6","2","5","8","5","9","1") = "8"
    & skf18("6","2","5","8","5","10","1") = "9"
    & skf18("6","2","5","8","6","1","1") = "7"
    & skf18("6","2","5","8","6","2","1") = "7"
    & skf18("6","2","5","8","6","3","1") = "7"
    & skf18("6","2","5","8","6","4","1") = "7"
    & skf18("6","2","5","8","6","5","1") = "7"
    & skf18("6","2","5","8","6","6","1") = "7"
    & skf18("6","2","5","8","6","7","1") = "7"
    & skf18("6","2","5","8","6","8","1") = "7"
    & skf18("6","2","5","8","6","9","1") = "8"
    & skf18("6","2","5","8","6","10","1") = "9"
    & skf18("6","2","5","8","7","1","1") = "7"
    & skf18("6","2","5","8","7","2","1") = "7"
    & skf18("6","2","5","8","7","3","1") = "7"
    & skf18("6","2","5","8","7","4","1") = "7"
    & skf18("6","2","5","8","7","5","1") = "7"
    & skf18("6","2","5","8","7","6","1") = "7"
    & skf18("6","2","5","8","7","7","1") = "7"
    & skf18("6","2","5","8","7","8","1") = "7"
    & skf18("6","2","5","8","7","9","1") = "8"
    & skf18("6","2","5","8","7","10","1") = "9"
    & skf18("6","2","5","8","8","1","1") = "7"
    & skf18("6","2","5","8","8","2","1") = "7"
    & skf18("6","2","5","8","8","3","1") = "7"
    & skf18("6","2","5","8","8","4","1") = "7"
    & skf18("6","2","5","8","8","5","1") = "7"
    & skf18("6","2","5","8","8","6","1") = "7"
    & skf18("6","2","5","8","8","7","1") = "7"
    & skf18("6","2","5","8","8","8","1") = "7"
    & skf18("6","2","5","8","8","9","1") = "8"
    & skf18("6","2","5","8","8","10","1") = "9"
    & skf18("6","2","5","8","9","1","1") = "8"
    & skf18("6","2","5","8","9","2","1") = "8"
    & skf18("6","2","5","8","9","3","1") = "8"
    & skf18("6","2","5","8","9","4","1") = "8"
    & skf18("6","2","5","8","9","5","1") = "8"
    & skf18("6","2","5","8","9","6","1") = "8"
    & skf18("6","2","5","8","9","7","1") = "8"
    & skf18("6","2","5","8","9","8","1") = "8"
    & skf18("6","2","5","8","9","9","1") = "8"
    & skf18("6","2","5","8","9","10","1") = "9"
    & skf18("6","2","5","8","10","1","1") = "9"
    & skf18("6","2","5","8","10","2","1") = "9"
    & skf18("6","2","5","8","10","3","1") = "9"
    & skf18("6","2","5","8","10","4","1") = "9"
    & skf18("6","2","5","8","10","5","1") = "9"
    & skf18("6","2","5","8","10","6","1") = "9"
    & skf18("6","2","5","8","10","7","1") = "9"
    & skf18("6","2","5","8","10","8","1") = "9"
    & skf18("6","2","5","8","10","9","1") = "9"
    & skf18("6","2","5","8","10","10","1") = "9"
    & skf18("6","2","5","9","1","1","1") = "8"
    & skf18("6","2","5","9","1","2","1") = "8"
    & skf18("6","2","5","9","1","3","1") = "8"
    & skf18("6","2","5","9","1","4","1") = "8"
    & skf18("6","2","5","9","1","5","1") = "8"
    & skf18("6","2","5","9","1","6","1") = "8"
    & skf18("6","2","5","9","1","7","1") = "8"
    & skf18("6","2","5","9","1","8","1") = "8"
    & skf18("6","2","5","9","1","9","1") = "8"
    & skf18("6","2","5","9","1","10","1") = "9"
    & skf18("6","2","5","9","2","1","1") = "8"
    & skf18("6","2","5","9","2","2","1") = "8"
    & skf18("6","2","5","9","2","3","1") = "8"
    & skf18("6","2","5","9","2","4","1") = "8"
    & skf18("6","2","5","9","2","5","1") = "8"
    & skf18("6","2","5","9","2","6","1") = "8"
    & skf18("6","2","5","9","2","7","1") = "8"
    & skf18("6","2","5","9","2","8","1") = "8"
    & skf18("6","2","5","9","2","9","1") = "8"
    & skf18("6","2","5","9","2","10","1") = "9"
    & skf18("6","2","5","9","3","1","1") = "8"
    & skf18("6","2","5","9","3","2","1") = "8"
    & skf18("6","2","5","9","3","3","1") = "8"
    & skf18("6","2","5","9","3","4","1") = "8"
    & skf18("6","2","5","9","3","5","1") = "8"
    & skf18("6","2","5","9","3","6","1") = "8"
    & skf18("6","2","5","9","3","7","1") = "8"
    & skf18("6","2","5","9","3","8","1") = "8"
    & skf18("6","2","5","9","3","9","1") = "8"
    & skf18("6","2","5","9","3","10","1") = "9"
    & skf18("6","2","5","9","4","1","1") = "8"
    & skf18("6","2","5","9","4","2","1") = "8"
    & skf18("6","2","5","9","4","3","1") = "8"
    & skf18("6","2","5","9","4","4","1") = "8"
    & skf18("6","2","5","9","4","5","1") = "8"
    & skf18("6","2","5","9","4","6","1") = "8"
    & skf18("6","2","5","9","4","7","1") = "8"
    & skf18("6","2","5","9","4","8","1") = "8"
    & skf18("6","2","5","9","4","9","1") = "8"
    & skf18("6","2","5","9","4","10","1") = "9"
    & skf18("6","2","5","9","5","1","1") = "8"
    & skf18("6","2","5","9","5","2","1") = "8"
    & skf18("6","2","5","9","5","3","1") = "8"
    & skf18("6","2","5","9","5","4","1") = "8"
    & skf18("6","2","5","9","5","5","1") = "8"
    & skf18("6","2","5","9","5","6","1") = "8"
    & skf18("6","2","5","9","5","7","1") = "8"
    & skf18("6","2","5","9","5","8","1") = "8"
    & skf18("6","2","5","9","5","9","1") = "8"
    & skf18("6","2","5","9","5","10","1") = "9"
    & skf18("6","2","5","9","6","1","1") = "8"
    & skf18("6","2","5","9","6","2","1") = "8"
    & skf18("6","2","5","9","6","3","1") = "8"
    & skf18("6","2","5","9","6","4","1") = "8"
    & skf18("6","2","5","9","6","5","1") = "8"
    & skf18("6","2","5","9","6","6","1") = "8"
    & skf18("6","2","5","9","6","7","1") = "8"
    & skf18("6","2","5","9","6","8","1") = "8"
    & skf18("6","2","5","9","6","9","1") = "8"
    & skf18("6","2","5","9","6","10","1") = "9"
    & skf18("6","2","5","9","7","1","1") = "8"
    & skf18("6","2","5","9","7","2","1") = "8"
    & skf18("6","2","5","9","7","3","1") = "8"
    & skf18("6","2","5","9","7","4","1") = "8"
    & skf18("6","2","5","9","7","5","1") = "8"
    & skf18("6","2","5","9","7","6","1") = "8"
    & skf18("6","2","5","9","7","7","1") = "8"
    & skf18("6","2","5","9","7","8","1") = "8"
    & skf18("6","2","5","9","7","9","1") = "8"
    & skf18("6","2","5","9","7","10","1") = "9"
    & skf18("6","2","5","9","8","1","1") = "8"
    & skf18("6","2","5","9","8","2","1") = "8"
    & skf18("6","2","5","9","8","3","1") = "8"
    & skf18("6","2","5","9","8","4","1") = "8"
    & skf18("6","2","5","9","8","5","1") = "8"
    & skf18("6","2","5","9","8","6","1") = "8"
    & skf18("6","2","5","9","8","7","1") = "8"
    & skf18("6","2","5","9","8","8","1") = "8"
    & skf18("6","2","5","9","8","9","1") = "8"
    & skf18("6","2","5","9","8","10","1") = "9"
    & skf18("6","2","5","9","9","1","1") = "8"
    & skf18("6","2","5","9","9","2","1") = "8"
    & skf18("6","2","5","9","9","3","1") = "8"
    & skf18("6","2","5","9","9","4","1") = "8"
    & skf18("6","2","5","9","9","5","1") = "8"
    & skf18("6","2","5","9","9","6","1") = "8"
    & skf18("6","2","5","9","9","7","1") = "8"
    & skf18("6","2","5","9","9","8","1") = "8"
    & skf18("6","2","5","9","9","9","1") = "8"
    & skf18("6","2","5","9","9","10","1") = "9"
    & skf18("6","2","5","9","10","1","1") = "9"
    & skf18("6","2","5","9","10","2","1") = "9"
    & skf18("6","2","5","9","10","3","1") = "9"
    & skf18("6","2","5","9","10","4","1") = "9"
    & skf18("6","2","5","9","10","5","1") = "9"
    & skf18("6","2","5","9","10","6","1") = "9"
    & skf18("6","2","5","9","10","7","1") = "9"
    & skf18("6","2","5","9","10","8","1") = "9"
    & skf18("6","2","5","9","10","9","1") = "9"
    & skf18("6","2","5","9","10","10","1") = "9"
    & skf18("6","2","5","10","1","1","1") = "9"
    & skf18("6","2","5","10","1","2","1") = "9"
    & skf18("6","2","5","10","1","3","1") = "9"
    & skf18("6","2","5","10","1","4","1") = "9"
    & skf18("6","2","5","10","1","5","1") = "9"
    & skf18("6","2","5","10","1","6","1") = "9"
    & skf18("6","2","5","10","1","7","1") = "9"
    & skf18("6","2","5","10","1","8","1") = "9"
    & skf18("6","2","5","10","1","9","1") = "9"
    & skf18("6","2","5","10","1","10","1") = "9"
    & skf18("6","2","5","10","2","1","1") = "9"
    & skf18("6","2","5","10","2","2","1") = "9"
    & skf18("6","2","5","10","2","3","1") = "9"
    & skf18("6","2","5","10","2","4","1") = "9"
    & skf18("6","2","5","10","2","5","1") = "9"
    & skf18("6","2","5","10","2","6","1") = "9"
    & skf18("6","2","5","10","2","7","1") = "9"
    & skf18("6","2","5","10","2","8","1") = "9"
    & skf18("6","2","5","10","2","9","1") = "9"
    & skf18("6","2","5","10","2","10","1") = "9"
    & skf18("6","2","5","10","3","1","1") = "9"
    & skf18("6","2","5","10","3","2","1") = "9"
    & skf18("6","2","5","10","3","3","1") = "9"
    & skf18("6","2","5","10","3","4","1") = "9"
    & skf18("6","2","5","10","3","5","1") = "9"
    & skf18("6","2","5","10","3","6","1") = "9"
    & skf18("6","2","5","10","3","7","1") = "9"
    & skf18("6","2","5","10","3","8","1") = "9"
    & skf18("6","2","5","10","3","9","1") = "9"
    & skf18("6","2","5","10","3","10","1") = "9"
    & skf18("6","2","5","10","4","1","1") = "9"
    & skf18("6","2","5","10","4","2","1") = "9"
    & skf18("6","2","5","10","4","3","1") = "9"
    & skf18("6","2","5","10","4","4","1") = "9"
    & skf18("6","2","5","10","4","5","1") = "9"
    & skf18("6","2","5","10","4","6","1") = "9"
    & skf18("6","2","5","10","4","7","1") = "9"
    & skf18("6","2","5","10","4","8","1") = "9"
    & skf18("6","2","5","10","4","9","1") = "9"
    & skf18("6","2","5","10","4","10","1") = "9"
    & skf18("6","2","5","10","5","1","1") = "9"
    & skf18("6","2","5","10","5","2","1") = "9"
    & skf18("6","2","5","10","5","3","1") = "9"
    & skf18("6","2","5","10","5","4","1") = "9"
    & skf18("6","2","5","10","5","5","1") = "9"
    & skf18("6","2","5","10","5","6","1") = "9"
    & skf18("6","2","5","10","5","7","1") = "9"
    & skf18("6","2","5","10","5","8","1") = "9"
    & skf18("6","2","5","10","5","9","1") = "9"
    & skf18("6","2","5","10","5","10","1") = "9"
    & skf18("6","2","5","10","6","1","1") = "9"
    & skf18("6","2","5","10","6","2","1") = "9"
    & skf18("6","2","5","10","6","3","1") = "9"
    & skf18("6","2","5","10","6","4","1") = "9"
    & skf18("6","2","5","10","6","5","1") = "9"
    & skf18("6","2","5","10","6","6","1") = "9"
    & skf18("6","2","5","10","6","7","1") = "9"
    & skf18("6","2","5","10","6","8","1") = "9"
    & skf18("6","2","5","10","6","9","1") = "9"
    & skf18("6","2","5","10","6","10","1") = "9"
    & skf18("6","2","5","10","7","1","1") = "9"
    & skf18("6","2","5","10","7","2","1") = "9"
    & skf18("6","2","5","10","7","3","1") = "9"
    & skf18("6","2","5","10","7","4","1") = "9"
    & skf18("6","2","5","10","7","5","1") = "9"
    & skf18("6","2","5","10","7","6","1") = "9"
    & skf18("6","2","5","10","7","7","1") = "9"
    & skf18("6","2","5","10","7","8","1") = "9"
    & skf18("6","2","5","10","7","9","1") = "9"
    & skf18("6","2","5","10","7","10","1") = "9"
    & skf18("6","2","5","10","8","1","1") = "9"
    & skf18("6","2","5","10","8","2","1") = "9"
    & skf18("6","2","5","10","8","3","1") = "9"
    & skf18("6","2","5","10","8","4","1") = "9"
    & skf18("6","2","5","10","8","5","1") = "9"
    & skf18("6","2","5","10","8","6","1") = "9"
    & skf18("6","2","5","10","8","7","1") = "9"
    & skf18("6","2","5","10","8","8","1") = "9"
    & skf18("6","2","5","10","8","9","1") = "9"
    & skf18("6","2","5","10","8","10","1") = "9"
    & skf18("6","2","5","10","9","1","1") = "9"
    & skf18("6","2","5","10","9","2","1") = "9"
    & skf18("6","2","5","10","9","3","1") = "9"
    & skf18("6","2","5","10","9","4","1") = "9"
    & skf18("6","2","5","10","9","5","1") = "9"
    & skf18("6","2","5","10","9","6","1") = "9"
    & skf18("6","2","5","10","9","7","1") = "9"
    & skf18("6","2","5","10","9","8","1") = "9"
    & skf18("6","2","5","10","9","9","1") = "9"
    & skf18("6","2","5","10","9","10","1") = "9"
    & skf18("6","2","5","10","10","1","1") = "9"
    & skf18("6","2","5","10","10","2","1") = "9"
    & skf18("6","2","5","10","10","3","1") = "9"
    & skf18("6","2","5","10","10","4","1") = "9"
    & skf18("6","2","5","10","10","5","1") = "9"
    & skf18("6","2","5","10","10","6","1") = "9"
    & skf18("6","2","5","10","10","7","1") = "9"
    & skf18("6","2","5","10","10","8","1") = "9"
    & skf18("6","2","5","10","10","9","1") = "9"
    & skf18("6","2","5","10","10","10","1") = "9"
    & skf18("6","2","6","1","1","1","1") = "5"
    & skf18("6","2","6","1","1","2","1") = "5"
    & skf18("6","2","6","1","1","3","1") = "5"
    & skf18("6","2","6","1","1","4","1") = "5"
    & skf18("6","2","6","1","1","5","1") = "5"
    & skf18("6","2","6","1","1","6","1") = "5"
    & skf18("6","2","6","1","1","7","1") = "6"
    & skf18("6","2","6","1","1","8","1") = "7"
    & skf18("6","2","6","1","1","9","1") = "8"
    & skf18("6","2","6","1","1","10","1") = "9"
    & skf18("6","2","6","1","2","1","1") = "5"
    & skf18("6","2","6","1","2","2","1") = "5"
    & skf18("6","2","6","1","2","3","1") = "5"
    & skf18("6","2","6","1","2","4","1") = "5"
    & skf18("6","2","6","1","2","5","1") = "5"
    & skf18("6","2","6","1","2","6","1") = "5"
    & skf18("6","2","6","1","2","7","1") = "6"
    & skf18("6","2","6","1","2","8","1") = "7"
    & skf18("6","2","6","1","2","9","1") = "8"
    & skf18("6","2","6","1","2","10","1") = "9"
    & skf18("6","2","6","1","3","1","1") = "5"
    & skf18("6","2","6","1","3","2","1") = "5"
    & skf18("6","2","6","1","3","3","1") = "5"
    & skf18("6","2","6","1","3","4","1") = "5"
    & skf18("6","2","6","1","3","5","1") = "5"
    & skf18("6","2","6","1","3","6","1") = "5"
    & skf18("6","2","6","1","3","7","1") = "6"
    & skf18("6","2","6","1","3","8","1") = "7"
    & skf18("6","2","6","1","3","9","1") = "8"
    & skf18("6","2","6","1","3","10","1") = "9"
    & skf18("6","2","6","1","4","1","1") = "5"
    & skf18("6","2","6","1","4","2","1") = "5"
    & skf18("6","2","6","1","4","3","1") = "5"
    & skf18("6","2","6","1","4","4","1") = "5"
    & skf18("6","2","6","1","4","5","1") = "5"
    & skf18("6","2","6","1","4","6","1") = "5"
    & skf18("6","2","6","1","4","7","1") = "6"
    & skf18("6","2","6","1","4","8","1") = "7"
    & skf18("6","2","6","1","4","9","1") = "8"
    & skf18("6","2","6","1","4","10","1") = "9"
    & skf18("6","2","6","1","5","1","1") = "5"
    & skf18("6","2","6","1","5","2","1") = "5"
    & skf18("6","2","6","1","5","3","1") = "5"
    & skf18("6","2","6","1","5","4","1") = "5"
    & skf18("6","2","6","1","5","5","1") = "5"
    & skf18("6","2","6","1","5","6","1") = "5"
    & skf18("6","2","6","1","5","7","1") = "6"
    & skf18("6","2","6","1","5","8","1") = "7"
    & skf18("6","2","6","1","5","9","1") = "8"
    & skf18("6","2","6","1","5","10","1") = "9"
    & skf18("6","2","6","1","6","1","1") = "5"
    & skf18("6","2","6","1","6","2","1") = "5"
    & skf18("6","2","6","1","6","3","1") = "5"
    & skf18("6","2","6","1","6","4","1") = "5"
    & skf18("6","2","6","1","6","5","1") = "5"
    & skf18("6","2","6","1","6","6","1") = "5"
    & skf18("6","2","6","1","6","7","1") = "6"
    & skf18("6","2","6","1","6","8","1") = "7"
    & skf18("6","2","6","1","6","9","1") = "8"
    & skf18("6","2","6","1","6","10","1") = "9"
    & skf18("6","2","6","1","7","1","1") = "6"
    & skf18("6","2","6","1","7","2","1") = "6"
    & skf18("6","2","6","1","7","3","1") = "6"
    & skf18("6","2","6","1","7","4","1") = "6"
    & skf18("6","2","6","1","7","5","1") = "6"
    & skf18("6","2","6","1","7","6","1") = "6"
    & skf18("6","2","6","1","7","7","1") = "6"
    & skf18("6","2","6","1","7","8","1") = "7"
    & skf18("6","2","6","1","7","9","1") = "8"
    & skf18("6","2","6","1","7","10","1") = "9"
    & skf18("6","2","6","1","8","1","1") = "7"
    & skf18("6","2","6","1","8","2","1") = "7"
    & skf18("6","2","6","1","8","3","1") = "7"
    & skf18("6","2","6","1","8","4","1") = "7"
    & skf18("6","2","6","1","8","5","1") = "7"
    & skf18("6","2","6","1","8","6","1") = "7"
    & skf18("6","2","6","1","8","7","1") = "7"
    & skf18("6","2","6","1","8","8","1") = "7"
    & skf18("6","2","6","1","8","9","1") = "8"
    & skf18("6","2","6","1","8","10","1") = "9"
    & skf18("6","2","6","1","9","1","1") = "8"
    & skf18("6","2","6","1","9","2","1") = "8"
    & skf18("6","2","6","1","9","3","1") = "8"
    & skf18("6","2","6","1","9","4","1") = "8"
    & skf18("6","2","6","1","9","5","1") = "8"
    & skf18("6","2","6","1","9","6","1") = "8"
    & skf18("6","2","6","1","9","7","1") = "8"
    & skf18("6","2","6","1","9","8","1") = "8"
    & skf18("6","2","6","1","9","9","1") = "8"
    & skf18("6","2","6","1","9","10","1") = "9"
    & skf18("6","2","6","1","10","1","1") = "9"
    & skf18("6","2","6","1","10","2","1") = "9"
    & skf18("6","2","6","1","10","3","1") = "9"
    & skf18("6","2","6","1","10","4","1") = "9"
    & skf18("6","2","6","1","10","5","1") = "9"
    & skf18("6","2","6","1","10","6","1") = "9"
    & skf18("6","2","6","1","10","7","1") = "9"
    & skf18("6","2","6","1","10","8","1") = "9"
    & skf18("6","2","6","1","10","9","1") = "9"
    & skf18("6","2","6","1","10","10","1") = "9"
    & skf18("6","2","6","2","1","1","1") = "5"
    & skf18("6","2","6","2","1","2","1") = "5"
    & skf18("6","2","6","2","1","3","1") = "5"
    & skf18("6","2","6","2","1","4","1") = "4"
    & skf18("6","2","6","2","1","5","1") = "4"
    & skf18("6","2","6","2","1","6","1") = "4"
    & skf18("6","2","6","2","1","7","1") = "6"
    & skf18("6","2","6","2","1","8","1") = "7"
    & skf18("6","2","6","2","1","9","1") = "8"
    & skf18("6","2","6","2","1","10","1") = "9"
    & skf18("6","2","6","2","2","1","1") = "4"
    & skf18("6","2","6","2","2","2","1") = "4"
    & skf18("6","2","6","2","2","3","1") = "4"
    & skf18("6","2","6","2","2","4","1") = "4"
    & skf18("6","2","6","2","2","5","1") = "4"
    & skf18("6","2","6","2","2","6","1") = "4"
    & skf18("6","2","6","2","2","7","1") = "6"
    & skf18("6","2","6","2","2","8","1") = "7"
    & skf18("6","2","6","2","2","9","1") = "8"
    & skf18("6","2","6","2","2","10","1") = "9"
    & skf18("6","2","6","2","3","1","1") = "4"
    & skf18("6","2","6","2","3","2","1") = "5"
    & skf18("6","2","6","2","3","3","1") = "5"
    & skf18("6","2","6","2","3","4","1") = "5"
    & skf18("6","2","6","2","3","5","1") = "5"
    & skf18("6","2","6","2","3","6","1") = "5"
    & skf18("6","2","6","2","3","7","1") = "6"
    & skf18("6","2","6","2","3","8","1") = "7"
    & skf18("6","2","6","2","3","9","1") = "8"
    & skf18("6","2","6","2","3","10","1") = "9"
    & skf18("6","2","6","2","4","1","1") = "5"
    & skf18("6","2","6","2","4","2","1") = "5"
    & skf18("6","2","6","2","4","3","1") = "5"
    & skf18("6","2","6","2","4","4","1") = "5"
    & skf18("6","2","6","2","4","5","1") = "5"
    & skf18("6","2","6","2","4","6","1") = "5"
    & skf18("6","2","6","2","4","7","1") = "6"
    & skf18("6","2","6","2","4","8","1") = "7"
    & skf18("6","2","6","2","4","9","1") = "8"
    & skf18("6","2","6","2","4","10","1") = "9"
    & skf18("6","2","6","2","5","1","1") = "5"
    & skf18("6","2","6","2","5","2","1") = "5"
    & skf18("6","2","6","2","5","3","1") = "5"
    & skf18("6","2","6","2","5","4","1") = "5"
    & skf18("6","2","6","2","5","5","1") = "5"
    & skf18("6","2","6","2","5","6","1") = "5"
    & skf18("6","2","6","2","5","7","1") = "6"
    & skf18("6","2","6","2","5","8","1") = "7"
    & skf18("6","2","6","2","5","9","1") = "8"
    & skf18("6","2","6","2","5","10","1") = "9"
    & skf18("6","2","6","2","6","1","1") = "5"
    & skf18("6","2","6","2","6","2","1") = "5"
    & skf18("6","2","6","2","6","3","1") = "5"
    & skf18("6","2","6","2","6","4","1") = "5"
    & skf18("6","2","6","2","6","5","1") = "5"
    & skf18("6","2","6","2","6","6","1") = "5"
    & skf18("6","2","6","2","6","7","1") = "6"
    & skf18("6","2","6","2","6","8","1") = "7"
    & skf18("6","2","6","2","6","9","1") = "8"
    & skf18("6","2","6","2","6","10","1") = "9"
    & skf18("6","2","6","2","7","1","1") = "6"
    & skf18("6","2","6","2","7","2","1") = "6"
    & skf18("6","2","6","2","7","3","1") = "6"
    & skf18("6","2","6","2","7","4","1") = "6"
    & skf18("6","2","6","2","7","5","1") = "6"
    & skf18("6","2","6","2","7","6","1") = "6"
    & skf18("6","2","6","2","7","7","1") = "6"
    & skf18("6","2","6","2","7","8","1") = "7"
    & skf18("6","2","6","2","7","9","1") = "8"
    & skf18("6","2","6","2","7","10","1") = "9"
    & skf18("6","2","6","2","8","1","1") = "7"
    & skf18("6","2","6","2","8","2","1") = "7"
    & skf18("6","2","6","2","8","3","1") = "7"
    & skf18("6","2","6","2","8","4","1") = "7"
    & skf18("6","2","6","2","8","5","1") = "7"
    & skf18("6","2","6","2","8","6","1") = "7"
    & skf18("6","2","6","2","8","7","1") = "7"
    & skf18("6","2","6","2","8","8","1") = "7"
    & skf18("6","2","6","2","8","9","1") = "8"
    & skf18("6","2","6","2","8","10","1") = "9"
    & skf18("6","2","6","2","9","1","1") = "8"
    & skf18("6","2","6","2","9","2","1") = "8"
    & skf18("6","2","6","2","9","3","1") = "8"
    & skf18("6","2","6","2","9","4","1") = "8"
    & skf18("6","2","6","2","9","5","1") = "8"
    & skf18("6","2","6","2","9","6","1") = "8"
    & skf18("6","2","6","2","9","7","1") = "8"
    & skf18("6","2","6","2","9","8","1") = "8"
    & skf18("6","2","6","2","9","9","1") = "8"
    & skf18("6","2","6","2","9","10","1") = "9"
    & skf18("6","2","6","2","10","1","1") = "9"
    & skf18("6","2","6","2","10","2","1") = "9"
    & skf18("6","2","6","2","10","3","1") = "9"
    & skf18("6","2","6","2","10","4","1") = "9"
    & skf18("6","2","6","2","10","5","1") = "9"
    & skf18("6","2","6","2","10","6","1") = "9"
    & skf18("6","2","6","2","10","7","1") = "9"
    & skf18("6","2","6","2","10","8","1") = "9"
    & skf18("6","2","6","2","10","9","1") = "9"
    & skf18("6","2","6","2","10","10","1") = "9"
    & skf18("6","2","6","3","1","1","1") = "5"
    & skf18("6","2","6","3","1","2","1") = "5"
    & skf18("6","2","6","3","1","3","1") = "5"
    & skf18("6","2","6","3","1","4","1") = "5"
    & skf18("6","2","6","3","1","5","1") = "5"
    & skf18("6","2","6","3","1","6","1") = "5"
    & skf18("6","2","6","3","1","7","1") = "6"
    & skf18("6","2","6","3","1","8","1") = "7"
    & skf18("6","2","6","3","1","9","1") = "8"
    & skf18("6","2","6","3","1","10","1") = "9"
    & skf18("6","2","6","3","2","1","1") = "5"
    & skf18("6","2","6","3","2","2","1") = "5"
    & skf18("6","2","6","3","2","3","1") = "5"
    & skf18("6","2","6","3","2","4","1") = "5"
    & skf18("6","2","6","3","2","5","1") = "5"
    & skf18("6","2","6","3","2","6","1") = "5"
    & skf18("6","2","6","3","2","7","1") = "6"
    & skf18("6","2","6","3","2","8","1") = "7"
    & skf18("6","2","6","3","2","9","1") = "8"
    & skf18("6","2","6","3","2","10","1") = "9"
    & skf18("6","2","6","3","3","1","1") = "5"
    & skf18("6","2","6","3","3","2","1") = "5"
    & skf18("6","2","6","3","3","3","1") = "5"
    & skf18("6","2","6","3","3","4","1") = "5"
    & skf18("6","2","6","3","3","5","1") = "5"
    & skf18("6","2","6","3","3","6","1") = "5"
    & skf18("6","2","6","3","3","7","1") = "6"
    & skf18("6","2","6","3","3","8","1") = "7"
    & skf18("6","2","6","3","3","9","1") = "8"
    & skf18("6","2","6","3","3","10","1") = "9"
    & skf18("6","2","6","3","4","1","1") = "5"
    & skf18("6","2","6","3","4","2","1") = "5"
    & skf18("6","2","6","3","4","3","1") = "5"
    & skf18("6","2","6","3","4","4","1") = "5"
    & skf18("6","2","6","3","4","5","1") = "5"
    & skf18("6","2","6","3","4","6","1") = "5"
    & skf18("6","2","6","3","4","7","1") = "6"
    & skf18("6","2","6","3","4","8","1") = "7"
    & skf18("6","2","6","3","4","9","1") = "8"
    & skf18("6","2","6","3","4","10","1") = "9"
    & skf18("6","2","6","3","5","1","1") = "5"
    & skf18("6","2","6","3","5","2","1") = "5"
    & skf18("6","2","6","3","5","3","1") = "5"
    & skf18("6","2","6","3","5","4","1") = "5"
    & skf18("6","2","6","3","5","5","1") = "5"
    & skf18("6","2","6","3","5","6","1") = "5"
    & skf18("6","2","6","3","5","7","1") = "6"
    & skf18("6","2","6","3","5","8","1") = "7"
    & skf18("6","2","6","3","5","9","1") = "8"
    & skf18("6","2","6","3","5","10","1") = "9"
    & skf18("6","2","6","3","6","1","1") = "5"
    & skf18("6","2","6","3","6","2","1") = "5"
    & skf18("6","2","6","3","6","3","1") = "5"
    & skf18("6","2","6","3","6","4","1") = "5"
    & skf18("6","2","6","3","6","5","1") = "5"
    & skf18("6","2","6","3","6","6","1") = "5"
    & skf18("6","2","6","3","6","7","1") = "6"
    & skf18("6","2","6","3","6","8","1") = "7"
    & skf18("6","2","6","3","6","9","1") = "8"
    & skf18("6","2","6","3","6","10","1") = "9"
    & skf18("6","2","6","3","7","1","1") = "6"
    & skf18("6","2","6","3","7","2","1") = "6"
    & skf18("6","2","6","3","7","3","1") = "6"
    & skf18("6","2","6","3","7","4","1") = "6"
    & skf18("6","2","6","3","7","5","1") = "6"
    & skf18("6","2","6","3","7","6","1") = "6"
    & skf18("6","2","6","3","7","7","1") = "6"
    & skf18("6","2","6","3","7","8","1") = "7"
    & skf18("6","2","6","3","7","9","1") = "8"
    & skf18("6","2","6","3","7","10","1") = "9"
    & skf18("6","2","6","3","8","1","1") = "7"
    & skf18("6","2","6","3","8","2","1") = "7"
    & skf18("6","2","6","3","8","3","1") = "7"
    & skf18("6","2","6","3","8","4","1") = "7"
    & skf18("6","2","6","3","8","5","1") = "7"
    & skf18("6","2","6","3","8","6","1") = "7"
    & skf18("6","2","6","3","8","7","1") = "7"
    & skf18("6","2","6","3","8","8","1") = "7"
    & skf18("6","2","6","3","8","9","1") = "8"
    & skf18("6","2","6","3","8","10","1") = "9"
    & skf18("6","2","6","3","9","1","1") = "8"
    & skf18("6","2","6","3","9","2","1") = "8"
    & skf18("6","2","6","3","9","3","1") = "8"
    & skf18("6","2","6","3","9","4","1") = "8"
    & skf18("6","2","6","3","9","5","1") = "8"
    & skf18("6","2","6","3","9","6","1") = "8"
    & skf18("6","2","6","3","9","7","1") = "8"
    & skf18("6","2","6","3","9","8","1") = "8"
    & skf18("6","2","6","3","9","9","1") = "8"
    & skf18("6","2","6","3","9","10","1") = "9"
    & skf18("6","2","6","3","10","1","1") = "9"
    & skf18("6","2","6","3","10","2","1") = "9"
    & skf18("6","2","6","3","10","3","1") = "9"
    & skf18("6","2","6","3","10","4","1") = "9"
    & skf18("6","2","6","3","10","5","1") = "9"
    & skf18("6","2","6","3","10","6","1") = "9"
    & skf18("6","2","6","3","10","7","1") = "9"
    & skf18("6","2","6","3","10","8","1") = "9"
    & skf18("6","2","6","3","10","9","1") = "9"
    & skf18("6","2","6","3","10","10","1") = "9"
    & skf18("6","2","6","4","1","1","1") = "5"
    & skf18("6","2","6","4","1","2","1") = "5"
    & skf18("6","2","6","4","1","3","1") = "5"
    & skf18("6","2","6","4","1","4","1") = "5"
    & skf18("6","2","6","4","1","5","1") = "5"
    & skf18("6","2","6","4","1","6","1") = "5"
    & skf18("6","2","6","4","1","7","1") = "6"
    & skf18("6","2","6","4","1","8","1") = "7"
    & skf18("6","2","6","4","1","9","1") = "8"
    & skf18("6","2","6","4","1","10","1") = "9"
    & skf18("6","2","6","4","2","1","1") = "5"
    & skf18("6","2","6","4","2","2","1") = "5"
    & skf18("6","2","6","4","2","3","1") = "5"
    & skf18("6","2","6","4","2","4","1") = "5"
    & skf18("6","2","6","4","2","5","1") = "5"
    & skf18("6","2","6","4","2","6","1") = "5"
    & skf18("6","2","6","4","2","7","1") = "6"
    & skf18("6","2","6","4","2","8","1") = "7"
    & skf18("6","2","6","4","2","9","1") = "8"
    & skf18("6","2","6","4","2","10","1") = "9"
    & skf18("6","2","6","4","3","1","1") = "5"
    & skf18("6","2","6","4","3","2","1") = "5"
    & skf18("6","2","6","4","3","3","1") = "5"
    & skf18("6","2","6","4","3","4","1") = "5"
    & skf18("6","2","6","4","3","5","1") = "5"
    & skf18("6","2","6","4","3","6","1") = "5"
    & skf18("6","2","6","4","3","7","1") = "6"
    & skf18("6","2","6","4","3","8","1") = "7"
    & skf18("6","2","6","4","3","9","1") = "8"
    & skf18("6","2","6","4","3","10","1") = "9"
    & skf18("6","2","6","4","4","1","1") = "5"
    & skf18("6","2","6","4","4","2","1") = "5"
    & skf18("6","2","6","4","4","3","1") = "5"
    & skf18("6","2","6","4","4","4","1") = "5"
    & skf18("6","2","6","4","4","5","1") = "5"
    & skf18("6","2","6","4","4","6","1") = "5"
    & skf18("6","2","6","4","4","7","1") = "6"
    & skf18("6","2","6","4","4","8","1") = "7"
    & skf18("6","2","6","4","4","9","1") = "8"
    & skf18("6","2","6","4","4","10","1") = "9"
    & skf18("6","2","6","4","5","1","1") = "5"
    & skf18("6","2","6","4","5","2","1") = "5"
    & skf18("6","2","6","4","5","3","1") = "5"
    & skf18("6","2","6","4","5","4","1") = "5"
    & skf18("6","2","6","4","5","5","1") = "5"
    & skf18("6","2","6","4","5","6","1") = "5"
    & skf18("6","2","6","4","5","7","1") = "6"
    & skf18("6","2","6","4","5","8","1") = "7"
    & skf18("6","2","6","4","5","9","1") = "8"
    & skf18("6","2","6","4","5","10","1") = "9"
    & skf18("6","2","6","4","6","1","1") = "5"
    & skf18("6","2","6","4","6","2","1") = "5"
    & skf18("6","2","6","4","6","3","1") = "5"
    & skf18("6","2","6","4","6","4","1") = "5"
    & skf18("6","2","6","4","6","5","1") = "5"
    & skf18("6","2","6","4","6","6","1") = "5"
    & skf18("6","2","6","4","6","7","1") = "6"
    & skf18("6","2","6","4","6","8","1") = "7"
    & skf18("6","2","6","4","6","9","1") = "8"
    & skf18("6","2","6","4","6","10","1") = "9"
    & skf18("6","2","6","4","7","1","1") = "6"
    & skf18("6","2","6","4","7","2","1") = "6"
    & skf18("6","2","6","4","7","3","1") = "6"
    & skf18("6","2","6","4","7","4","1") = "6"
    & skf18("6","2","6","4","7","5","1") = "6"
    & skf18("6","2","6","4","7","6","1") = "6"
    & skf18("6","2","6","4","7","7","1") = "6"
    & skf18("6","2","6","4","7","8","1") = "7"
    & skf18("6","2","6","4","7","9","1") = "8"
    & skf18("6","2","6","4","7","10","1") = "9"
    & skf18("6","2","6","4","8","1","1") = "7"
    & skf18("6","2","6","4","8","2","1") = "7"
    & skf18("6","2","6","4","8","3","1") = "7"
    & skf18("6","2","6","4","8","4","1") = "7"
    & skf18("6","2","6","4","8","5","1") = "7"
    & skf18("6","2","6","4","8","6","1") = "7"
    & skf18("6","2","6","4","8","7","1") = "7"
    & skf18("6","2","6","4","8","8","1") = "7"
    & skf18("6","2","6","4","8","9","1") = "8"
    & skf18("6","2","6","4","8","10","1") = "9"
    & skf18("6","2","6","4","9","1","1") = "8"
    & skf18("6","2","6","4","9","2","1") = "8"
    & skf18("6","2","6","4","9","3","1") = "8"
    & skf18("6","2","6","4","9","4","1") = "8"
    & skf18("6","2","6","4","9","5","1") = "8"
    & skf18("6","2","6","4","9","6","1") = "8"
    & skf18("6","2","6","4","9","7","1") = "8"
    & skf18("6","2","6","4","9","8","1") = "8"
    & skf18("6","2","6","4","9","9","1") = "8"
    & skf18("6","2","6","4","9","10","1") = "9"
    & skf18("6","2","6","4","10","1","1") = "9"
    & skf18("6","2","6","4","10","2","1") = "9"
    & skf18("6","2","6","4","10","3","1") = "9"
    & skf18("6","2","6","4","10","4","1") = "9"
    & skf18("6","2","6","4","10","5","1") = "9"
    & skf18("6","2","6","4","10","6","1") = "9"
    & skf18("6","2","6","4","10","7","1") = "9"
    & skf18("6","2","6","4","10","8","1") = "9"
    & skf18("6","2","6","4","10","9","1") = "9"
    & skf18("6","2","6","4","10","10","1") = "9"
    & skf18("6","2","6","5","1","1","1") = "5"
    & skf18("6","2","6","5","1","2","1") = "5"
    & skf18("6","2","6","5","1","3","1") = "5"
    & skf18("6","2","6","5","1","4","1") = "5"
    & skf18("6","2","6","5","1","5","1") = "5"
    & skf18("6","2","6","5","1","6","1") = "5"
    & skf18("6","2","6","5","1","7","1") = "6"
    & skf18("6","2","6","5","1","8","1") = "7"
    & skf18("6","2","6","5","1","9","1") = "8"
    & skf18("6","2","6","5","1","10","1") = "9"
    & skf18("6","2","6","5","2","1","1") = "5"
    & skf18("6","2","6","5","2","2","1") = "5"
    & skf18("6","2","6","5","2","3","1") = "5"
    & skf18("6","2","6","5","2","4","1") = "5"
    & skf18("6","2","6","5","2","5","1") = "5"
    & skf18("6","2","6","5","2","6","1") = "5"
    & skf18("6","2","6","5","2","7","1") = "6"
    & skf18("6","2","6","5","2","8","1") = "7"
    & skf18("6","2","6","5","2","9","1") = "8"
    & skf18("6","2","6","5","2","10","1") = "9"
    & skf18("6","2","6","5","3","1","1") = "5"
    & skf18("6","2","6","5","3","2","1") = "5"
    & skf18("6","2","6","5","3","3","1") = "5"
    & skf18("6","2","6","5","3","4","1") = "5"
    & skf18("6","2","6","5","3","5","1") = "5"
    & skf18("6","2","6","5","3","6","1") = "5"
    & skf18("6","2","6","5","3","7","1") = "6"
    & skf18("6","2","6","5","3","8","1") = "7"
    & skf18("6","2","6","5","3","9","1") = "8"
    & skf18("6","2","6","5","3","10","1") = "9"
    & skf18("6","2","6","5","4","1","1") = "5"
    & skf18("6","2","6","5","4","2","1") = "5"
    & skf18("6","2","6","5","4","3","1") = "5"
    & skf18("6","2","6","5","4","4","1") = "5"
    & skf18("6","2","6","5","4","5","1") = "5"
    & skf18("6","2","6","5","4","6","1") = "5"
    & skf18("6","2","6","5","4","7","1") = "6"
    & skf18("6","2","6","5","4","8","1") = "7"
    & skf18("6","2","6","5","4","9","1") = "8"
    & skf18("6","2","6","5","4","10","1") = "9"
    & skf18("6","2","6","5","5","1","1") = "5"
    & skf18("6","2","6","5","5","2","1") = "5"
    & skf18("6","2","6","5","5","3","1") = "5"
    & skf18("6","2","6","5","5","4","1") = "5"
    & skf18("6","2","6","5","5","5","1") = "5"
    & skf18("6","2","6","5","5","6","1") = "5"
    & skf18("6","2","6","5","5","7","1") = "6"
    & skf18("6","2","6","5","5","8","1") = "7"
    & skf18("6","2","6","5","5","9","1") = "8"
    & skf18("6","2","6","5","5","10","1") = "9"
    & skf18("6","2","6","5","6","1","1") = "5"
    & skf18("6","2","6","5","6","2","1") = "5"
    & skf18("6","2","6","5","6","3","1") = "5"
    & skf18("6","2","6","5","6","4","1") = "5"
    & skf18("6","2","6","5","6","5","1") = "5"
    & skf18("6","2","6","5","6","6","1") = "5"
    & skf18("6","2","6","5","6","7","1") = "6"
    & skf18("6","2","6","5","6","8","1") = "7"
    & skf18("6","2","6","5","6","9","1") = "8"
    & skf18("6","2","6","5","6","10","1") = "9"
    & skf18("6","2","6","5","7","1","1") = "6"
    & skf18("6","2","6","5","7","2","1") = "6"
    & skf18("6","2","6","5","7","3","1") = "6"
    & skf18("6","2","6","5","7","4","1") = "6"
    & skf18("6","2","6","5","7","5","1") = "6"
    & skf18("6","2","6","5","7","6","1") = "6"
    & skf18("6","2","6","5","7","7","1") = "6"
    & skf18("6","2","6","5","7","8","1") = "7"
    & skf18("6","2","6","5","7","9","1") = "8"
    & skf18("6","2","6","5","7","10","1") = "9"
    & skf18("6","2","6","5","8","1","1") = "7"
    & skf18("6","2","6","5","8","2","1") = "7"
    & skf18("6","2","6","5","8","3","1") = "7"
    & skf18("6","2","6","5","8","4","1") = "7"
    & skf18("6","2","6","5","8","5","1") = "7"
    & skf18("6","2","6","5","8","6","1") = "7"
    & skf18("6","2","6","5","8","7","1") = "7"
    & skf18("6","2","6","5","8","8","1") = "7"
    & skf18("6","2","6","5","8","9","1") = "8"
    & skf18("6","2","6","5","8","10","1") = "9"
    & skf18("6","2","6","5","9","1","1") = "8"
    & skf18("6","2","6","5","9","2","1") = "8"
    & skf18("6","2","6","5","9","3","1") = "8"
    & skf18("6","2","6","5","9","4","1") = "8"
    & skf18("6","2","6","5","9","5","1") = "8"
    & skf18("6","2","6","5","9","6","1") = "8"
    & skf18("6","2","6","5","9","7","1") = "8"
    & skf18("6","2","6","5","9","8","1") = "8"
    & skf18("6","2","6","5","9","9","1") = "8"
    & skf18("6","2","6","5","9","10","1") = "9"
    & skf18("6","2","6","5","10","1","1") = "9"
    & skf18("6","2","6","5","10","2","1") = "9"
    & skf18("6","2","6","5","10","3","1") = "9"
    & skf18("6","2","6","5","10","4","1") = "9"
    & skf18("6","2","6","5","10","5","1") = "9"
    & skf18("6","2","6","5","10","6","1") = "9"
    & skf18("6","2","6","5","10","7","1") = "9"
    & skf18("6","2","6","5","10","8","1") = "9"
    & skf18("6","2","6","5","10","9","1") = "9"
    & skf18("6","2","6","5","10","10","1") = "9"
    & skf18("6","2","6","6","1","1","1") = "5"
    & skf18("6","2","6","6","1","2","1") = "5"
    & skf18("6","2","6","6","1","3","1") = "5"
    & skf18("6","2","6","6","1","4","1") = "5"
    & skf18("6","2","6","6","1","5","1") = "5"
    & skf18("6","2","6","6","1","6","1") = "5"
    & skf18("6","2","6","6","1","7","1") = "6"
    & skf18("6","2","6","6","1","8","1") = "7"
    & skf18("6","2","6","6","1","9","1") = "8"
    & skf18("6","2","6","6","1","10","1") = "9"
    & skf18("6","2","6","6","2","1","1") = "5"
    & skf18("6","2","6","6","2","2","1") = "5"
    & skf18("6","2","6","6","2","3","1") = "5"
    & skf18("6","2","6","6","2","4","1") = "5"
    & skf18("6","2","6","6","2","5","1") = "5"
    & skf18("6","2","6","6","2","6","1") = "5"
    & skf18("6","2","6","6","2","7","1") = "6"
    & skf18("6","2","6","6","2","8","1") = "7"
    & skf18("6","2","6","6","2","9","1") = "8"
    & skf18("6","2","6","6","2","10","1") = "9"
    & skf18("6","2","6","6","3","1","1") = "5"
    & skf18("6","2","6","6","3","2","1") = "5"
    & skf18("6","2","6","6","3","3","1") = "5"
    & skf18("6","2","6","6","3","4","1") = "5"
    & skf18("6","2","6","6","3","5","1") = "5"
    & skf18("6","2","6","6","3","6","1") = "5"
    & skf18("6","2","6","6","3","7","1") = "6"
    & skf18("6","2","6","6","3","8","1") = "7"
    & skf18("6","2","6","6","3","9","1") = "8"
    & skf18("6","2","6","6","3","10","1") = "9"
    & skf18("6","2","6","6","4","1","1") = "5"
    & skf18("6","2","6","6","4","2","1") = "5"
    & skf18("6","2","6","6","4","3","1") = "5"
    & skf18("6","2","6","6","4","4","1") = "5"
    & skf18("6","2","6","6","4","5","1") = "5"
    & skf18("6","2","6","6","4","6","1") = "5"
    & skf18("6","2","6","6","4","7","1") = "6"
    & skf18("6","2","6","6","4","8","1") = "7"
    & skf18("6","2","6","6","4","9","1") = "8"
    & skf18("6","2","6","6","4","10","1") = "9"
    & skf18("6","2","6","6","5","1","1") = "5"
    & skf18("6","2","6","6","5","2","1") = "5"
    & skf18("6","2","6","6","5","3","1") = "5"
    & skf18("6","2","6","6","5","4","1") = "5"
    & skf18("6","2","6","6","5","5","1") = "5"
    & skf18("6","2","6","6","5","6","1") = "5"
    & skf18("6","2","6","6","5","7","1") = "6"
    & skf18("6","2","6","6","5","8","1") = "7"
    & skf18("6","2","6","6","5","9","1") = "8"
    & skf18("6","2","6","6","5","10","1") = "9"
    & skf18("6","2","6","6","6","1","1") = "5"
    & skf18("6","2","6","6","6","2","1") = "5"
    & skf18("6","2","6","6","6","3","1") = "5"
    & skf18("6","2","6","6","6","4","1") = "5"
    & skf18("6","2","6","6","6","5","1") = "5"
    & skf18("6","2","6","6","6","6","1") = "5"
    & skf18("6","2","6","6","6","7","1") = "6"
    & skf18("6","2","6","6","6","8","1") = "7"
    & skf18("6","2","6","6","6","9","1") = "8"
    & skf18("6","2","6","6","6","10","1") = "9"
    & skf18("6","2","6","6","7","1","1") = "6"
    & skf18("6","2","6","6","7","2","1") = "6"
    & skf18("6","2","6","6","7","3","1") = "6"
    & skf18("6","2","6","6","7","4","1") = "6"
    & skf18("6","2","6","6","7","5","1") = "6"
    & skf18("6","2","6","6","7","6","1") = "6"
    & skf18("6","2","6","6","7","7","1") = "6"
    & skf18("6","2","6","6","7","8","1") = "7"
    & skf18("6","2","6","6","7","9","1") = "8"
    & skf18("6","2","6","6","7","10","1") = "9"
    & skf18("6","2","6","6","8","1","1") = "7"
    & skf18("6","2","6","6","8","2","1") = "7"
    & skf18("6","2","6","6","8","3","1") = "7"
    & skf18("6","2","6","6","8","4","1") = "7"
    & skf18("6","2","6","6","8","5","1") = "7"
    & skf18("6","2","6","6","8","6","1") = "7"
    & skf18("6","2","6","6","8","7","1") = "7"
    & skf18("6","2","6","6","8","8","1") = "7"
    & skf18("6","2","6","6","8","9","1") = "8"
    & skf18("6","2","6","6","8","10","1") = "9"
    & skf18("6","2","6","6","9","1","1") = "8"
    & skf18("6","2","6","6","9","2","1") = "8"
    & skf18("6","2","6","6","9","3","1") = "8"
    & skf18("6","2","6","6","9","4","1") = "8"
    & skf18("6","2","6","6","9","5","1") = "8"
    & skf18("6","2","6","6","9","6","1") = "8"
    & skf18("6","2","6","6","9","7","1") = "8"
    & skf18("6","2","6","6","9","8","1") = "8"
    & skf18("6","2","6","6","9","9","1") = "8"
    & skf18("6","2","6","6","9","10","1") = "9"
    & skf18("6","2","6","6","10","1","1") = "9"
    & skf18("6","2","6","6","10","2","1") = "9"
    & skf18("6","2","6","6","10","3","1") = "9"
    & skf18("6","2","6","6","10","4","1") = "9"
    & skf18("6","2","6","6","10","5","1") = "9"
    & skf18("6","2","6","6","10","6","1") = "9"
    & skf18("6","2","6","6","10","7","1") = "9"
    & skf18("6","2","6","6","10","8","1") = "9"
    & skf18("6","2","6","6","10","9","1") = "9"
    & skf18("6","2","6","6","10","10","1") = "9"
    & skf18("6","2","6","7","1","1","1") = "6"
    & skf18("6","2","6","7","1","2","1") = "6"
    & skf18("6","2","6","7","1","3","1") = "6"
    & skf18("6","2","6","7","1","4","1") = "6"
    & skf18("6","2","6","7","1","5","1") = "6"
    & skf18("6","2","6","7","1","6","1") = "6"
    & skf18("6","2","6","7","1","7","1") = "6"
    & skf18("6","2","6","7","1","8","1") = "7"
    & skf18("6","2","6","7","1","9","1") = "8"
    & skf18("6","2","6","7","1","10","1") = "9"
    & skf18("6","2","6","7","2","1","1") = "6"
    & skf18("6","2","6","7","2","2","1") = "6"
    & skf18("6","2","6","7","2","3","1") = "6"
    & skf18("6","2","6","7","2","4","1") = "6"
    & skf18("6","2","6","7","2","5","1") = "6"
    & skf18("6","2","6","7","2","6","1") = "6"
    & skf18("6","2","6","7","2","7","1") = "6"
    & skf18("6","2","6","7","2","8","1") = "7"
    & skf18("6","2","6","7","2","9","1") = "8"
    & skf18("6","2","6","7","2","10","1") = "9"
    & skf18("6","2","6","7","3","1","1") = "6"
    & skf18("6","2","6","7","3","2","1") = "6"
    & skf18("6","2","6","7","3","3","1") = "6"
    & skf18("6","2","6","7","3","4","1") = "6"
    & skf18("6","2","6","7","3","5","1") = "6"
    & skf18("6","2","6","7","3","6","1") = "6"
    & skf18("6","2","6","7","3","7","1") = "6"
    & skf18("6","2","6","7","3","8","1") = "7"
    & skf18("6","2","6","7","3","9","1") = "8"
    & skf18("6","2","6","7","3","10","1") = "9"
    & skf18("6","2","6","7","4","1","1") = "6"
    & skf18("6","2","6","7","4","2","1") = "6"
    & skf18("6","2","6","7","4","3","1") = "6"
    & skf18("6","2","6","7","4","4","1") = "6"
    & skf18("6","2","6","7","4","5","1") = "6"
    & skf18("6","2","6","7","4","6","1") = "6"
    & skf18("6","2","6","7","4","7","1") = "6"
    & skf18("6","2","6","7","4","8","1") = "7"
    & skf18("6","2","6","7","4","9","1") = "8"
    & skf18("6","2","6","7","4","10","1") = "9"
    & skf18("6","2","6","7","5","1","1") = "6"
    & skf18("6","2","6","7","5","2","1") = "6"
    & skf18("6","2","6","7","5","3","1") = "6"
    & skf18("6","2","6","7","5","4","1") = "6"
    & skf18("6","2","6","7","5","5","1") = "6"
    & skf18("6","2","6","7","5","6","1") = "6"
    & skf18("6","2","6","7","5","7","1") = "6"
    & skf18("6","2","6","7","5","8","1") = "7"
    & skf18("6","2","6","7","5","9","1") = "8"
    & skf18("6","2","6","7","5","10","1") = "9"
    & skf18("6","2","6","7","6","1","1") = "6"
    & skf18("6","2","6","7","6","2","1") = "6"
    & skf18("6","2","6","7","6","3","1") = "6"
    & skf18("6","2","6","7","6","4","1") = "6"
    & skf18("6","2","6","7","6","5","1") = "6"
    & skf18("6","2","6","7","6","6","1") = "6"
    & skf18("6","2","6","7","6","7","1") = "6"
    & skf18("6","2","6","7","6","8","1") = "7"
    & skf18("6","2","6","7","6","9","1") = "8"
    & skf18("6","2","6","7","6","10","1") = "9"
    & skf18("6","2","6","7","7","1","1") = "6"
    & skf18("6","2","6","7","7","2","1") = "6"
    & skf18("6","2","6","7","7","3","1") = "6"
    & skf18("6","2","6","7","7","4","1") = "6"
    & skf18("6","2","6","7","7","5","1") = "6"
    & skf18("6","2","6","7","7","6","1") = "6"
    & skf18("6","2","6","7","7","7","1") = "6"
    & skf18("6","2","6","7","7","8","1") = "7"
    & skf18("6","2","6","7","7","9","1") = "8"
    & skf18("6","2","6","7","7","10","1") = "9"
    & skf18("6","2","6","7","8","1","1") = "7"
    & skf18("6","2","6","7","8","2","1") = "7"
    & skf18("6","2","6","7","8","3","1") = "7"
    & skf18("6","2","6","7","8","4","1") = "7"
    & skf18("6","2","6","7","8","5","1") = "7"
    & skf18("6","2","6","7","8","6","1") = "7"
    & skf18("6","2","6","7","8","7","1") = "7"
    & skf18("6","2","6","7","8","8","1") = "7"
    & skf18("6","2","6","7","8","9","1") = "8"
    & skf18("6","2","6","7","8","10","1") = "9"
    & skf18("6","2","6","7","9","1","1") = "8"
    & skf18("6","2","6","7","9","2","1") = "8"
    & skf18("6","2","6","7","9","3","1") = "8"
    & skf18("6","2","6","7","9","4","1") = "8"
    & skf18("6","2","6","7","9","5","1") = "8"
    & skf18("6","2","6","7","9","6","1") = "8"
    & skf18("6","2","6","7","9","7","1") = "8"
    & skf18("6","2","6","7","9","8","1") = "8"
    & skf18("6","2","6","7","9","9","1") = "8"
    & skf18("6","2","6","7","9","10","1") = "9"
    & skf18("6","2","6","7","10","1","1") = "9"
    & skf18("6","2","6","7","10","2","1") = "9"
    & skf18("6","2","6","7","10","3","1") = "9"
    & skf18("6","2","6","7","10","4","1") = "9"
    & skf18("6","2","6","7","10","5","1") = "9"
    & skf18("6","2","6","7","10","6","1") = "9"
    & skf18("6","2","6","7","10","7","1") = "9"
    & skf18("6","2","6","7","10","8","1") = "9"
    & skf18("6","2","6","7","10","9","1") = "9"
    & skf18("6","2","6","7","10","10","1") = "9"
    & skf18("6","2","6","8","1","1","1") = "7"
    & skf18("6","2","6","8","1","2","1") = "7"
    & skf18("6","2","6","8","1","3","1") = "7"
    & skf18("6","2","6","8","1","4","1") = "7"
    & skf18("6","2","6","8","1","5","1") = "7"
    & skf18("6","2","6","8","1","6","1") = "7"
    & skf18("6","2","6","8","1","7","1") = "7"
    & skf18("6","2","6","8","1","8","1") = "7"
    & skf18("6","2","6","8","1","9","1") = "8"
    & skf18("6","2","6","8","1","10","1") = "9"
    & skf18("6","2","6","8","2","1","1") = "7"
    & skf18("6","2","6","8","2","2","1") = "7"
    & skf18("6","2","6","8","2","3","1") = "7"
    & skf18("6","2","6","8","2","4","1") = "7"
    & skf18("6","2","6","8","2","5","1") = "7"
    & skf18("6","2","6","8","2","6","1") = "7"
    & skf18("6","2","6","8","2","7","1") = "7"
    & skf18("6","2","6","8","2","8","1") = "7"
    & skf18("6","2","6","8","2","9","1") = "8"
    & skf18("6","2","6","8","2","10","1") = "9"
    & skf18("6","2","6","8","3","1","1") = "7"
    & skf18("6","2","6","8","3","2","1") = "7"
    & skf18("6","2","6","8","3","3","1") = "7"
    & skf18("6","2","6","8","3","4","1") = "7"
    & skf18("6","2","6","8","3","5","1") = "7"
    & skf18("6","2","6","8","3","6","1") = "7"
    & skf18("6","2","6","8","3","7","1") = "7"
    & skf18("6","2","6","8","3","8","1") = "7"
    & skf18("6","2","6","8","3","9","1") = "8"
    & skf18("6","2","6","8","3","10","1") = "9"
    & skf18("6","2","6","8","4","1","1") = "7"
    & skf18("6","2","6","8","4","2","1") = "7"
    & skf18("6","2","6","8","4","3","1") = "7"
    & skf18("6","2","6","8","4","4","1") = "7"
    & skf18("6","2","6","8","4","5","1") = "7"
    & skf18("6","2","6","8","4","6","1") = "7"
    & skf18("6","2","6","8","4","7","1") = "7"
    & skf18("6","2","6","8","4","8","1") = "7"
    & skf18("6","2","6","8","4","9","1") = "8"
    & skf18("6","2","6","8","4","10","1") = "9"
    & skf18("6","2","6","8","5","1","1") = "7"
    & skf18("6","2","6","8","5","2","1") = "7"
    & skf18("6","2","6","8","5","3","1") = "7"
    & skf18("6","2","6","8","5","4","1") = "7"
    & skf18("6","2","6","8","5","5","1") = "7"
    & skf18("6","2","6","8","5","6","1") = "7"
    & skf18("6","2","6","8","5","7","1") = "7"
    & skf18("6","2","6","8","5","8","1") = "7"
    & skf18("6","2","6","8","5","9","1") = "8"
    & skf18("6","2","6","8","5","10","1") = "9"
    & skf18("6","2","6","8","6","1","1") = "7"
    & skf18("6","2","6","8","6","2","1") = "7"
    & skf18("6","2","6","8","6","3","1") = "7"
    & skf18("6","2","6","8","6","4","1") = "7"
    & skf18("6","2","6","8","6","5","1") = "7"
    & skf18("6","2","6","8","6","6","1") = "7"
    & skf18("6","2","6","8","6","7","1") = "7"
    & skf18("6","2","6","8","6","8","1") = "7"
    & skf18("6","2","6","8","6","9","1") = "8"
    & skf18("6","2","6","8","6","10","1") = "9"
    & skf18("6","2","6","8","7","1","1") = "7"
    & skf18("6","2","6","8","7","2","1") = "7"
    & skf18("6","2","6","8","7","3","1") = "7"
    & skf18("6","2","6","8","7","4","1") = "7"
    & skf18("6","2","6","8","7","5","1") = "7"
    & skf18("6","2","6","8","7","6","1") = "7"
    & skf18("6","2","6","8","7","7","1") = "7"
    & skf18("6","2","6","8","7","8","1") = "7"
    & skf18("6","2","6","8","7","9","1") = "8"
    & skf18("6","2","6","8","7","10","1") = "9"
    & skf18("6","2","6","8","8","1","1") = "7"
    & skf18("6","2","6","8","8","2","1") = "7"
    & skf18("6","2","6","8","8","3","1") = "7"
    & skf18("6","2","6","8","8","4","1") = "7"
    & skf18("6","2","6","8","8","5","1") = "7"
    & skf18("6","2","6","8","8","6","1") = "7"
    & skf18("6","2","6","8","8","7","1") = "7"
    & skf18("6","2","6","8","8","8","1") = "7"
    & skf18("6","2","6","8","8","9","1") = "8"
    & skf18("6","2","6","8","8","10","1") = "9"
    & skf18("6","2","6","8","9","1","1") = "8"
    & skf18("6","2","6","8","9","2","1") = "8"
    & skf18("6","2","6","8","9","3","1") = "8"
    & skf18("6","2","6","8","9","4","1") = "8"
    & skf18("6","2","6","8","9","5","1") = "8"
    & skf18("6","2","6","8","9","6","1") = "8"
    & skf18("6","2","6","8","9","7","1") = "8"
    & skf18("6","2","6","8","9","8","1") = "8"
    & skf18("6","2","6","8","9","9","1") = "8"
    & skf18("6","2","6","8","9","10","1") = "9"
    & skf18("6","2","6","8","10","1","1") = "9"
    & skf18("6","2","6","8","10","2","1") = "9"
    & skf18("6","2","6","8","10","3","1") = "9"
    & skf18("6","2","6","8","10","4","1") = "9"
    & skf18("6","2","6","8","10","5","1") = "9"
    & skf18("6","2","6","8","10","6","1") = "9"
    & skf18("6","2","6","8","10","7","1") = "9"
    & skf18("6","2","6","8","10","8","1") = "9"
    & skf18("6","2","6","8","10","9","1") = "9"
    & skf18("6","2","6","8","10","10","1") = "9"
    & skf18("6","2","6","9","1","1","1") = "8"
    & skf18("6","2","6","9","1","2","1") = "8"
    & skf18("6","2","6","9","1","3","1") = "8"
    & skf18("6","2","6","9","1","4","1") = "8"
    & skf18("6","2","6","9","1","5","1") = "8"
    & skf18("6","2","6","9","1","6","1") = "8"
    & skf18("6","2","6","9","1","7","1") = "8"
    & skf18("6","2","6","9","1","8","1") = "8"
    & skf18("6","2","6","9","1","9","1") = "8"
    & skf18("6","2","6","9","1","10","1") = "9"
    & skf18("6","2","6","9","2","1","1") = "8"
    & skf18("6","2","6","9","2","2","1") = "8"
    & skf18("6","2","6","9","2","3","1") = "8"
    & skf18("6","2","6","9","2","4","1") = "8"
    & skf18("6","2","6","9","2","5","1") = "8"
    & skf18("6","2","6","9","2","6","1") = "8"
    & skf18("6","2","6","9","2","7","1") = "8"
    & skf18("6","2","6","9","2","8","1") = "8"
    & skf18("6","2","6","9","2","9","1") = "8"
    & skf18("6","2","6","9","2","10","1") = "9"
    & skf18("6","2","6","9","3","1","1") = "8"
    & skf18("6","2","6","9","3","2","1") = "8"
    & skf18("6","2","6","9","3","3","1") = "8"
    & skf18("6","2","6","9","3","4","1") = "8"
    & skf18("6","2","6","9","3","5","1") = "8"
    & skf18("6","2","6","9","3","6","1") = "8"
    & skf18("6","2","6","9","3","7","1") = "8"
    & skf18("6","2","6","9","3","8","1") = "8"
    & skf18("6","2","6","9","3","9","1") = "8"
    & skf18("6","2","6","9","3","10","1") = "9"
    & skf18("6","2","6","9","4","1","1") = "8"
    & skf18("6","2","6","9","4","2","1") = "8"
    & skf18("6","2","6","9","4","3","1") = "8"
    & skf18("6","2","6","9","4","4","1") = "8"
    & skf18("6","2","6","9","4","5","1") = "8"
    & skf18("6","2","6","9","4","6","1") = "8"
    & skf18("6","2","6","9","4","7","1") = "8"
    & skf18("6","2","6","9","4","8","1") = "8"
    & skf18("6","2","6","9","4","9","1") = "8"
    & skf18("6","2","6","9","4","10","1") = "9"
    & skf18("6","2","6","9","5","1","1") = "8"
    & skf18("6","2","6","9","5","2","1") = "8"
    & skf18("6","2","6","9","5","3","1") = "8"
    & skf18("6","2","6","9","5","4","1") = "8"
    & skf18("6","2","6","9","5","5","1") = "8"
    & skf18("6","2","6","9","5","6","1") = "8"
    & skf18("6","2","6","9","5","7","1") = "8"
    & skf18("6","2","6","9","5","8","1") = "8"
    & skf18("6","2","6","9","5","9","1") = "8"
    & skf18("6","2","6","9","5","10","1") = "9"
    & skf18("6","2","6","9","6","1","1") = "8"
    & skf18("6","2","6","9","6","2","1") = "8"
    & skf18("6","2","6","9","6","3","1") = "8"
    & skf18("6","2","6","9","6","4","1") = "8"
    & skf18("6","2","6","9","6","5","1") = "8"
    & skf18("6","2","6","9","6","6","1") = "8"
    & skf18("6","2","6","9","6","7","1") = "8"
    & skf18("6","2","6","9","6","8","1") = "8"
    & skf18("6","2","6","9","6","9","1") = "8"
    & skf18("6","2","6","9","6","10","1") = "9"
    & skf18("6","2","6","9","7","1","1") = "8"
    & skf18("6","2","6","9","7","2","1") = "8"
    & skf18("6","2","6","9","7","3","1") = "8"
    & skf18("6","2","6","9","7","4","1") = "8"
    & skf18("6","2","6","9","7","5","1") = "8"
    & skf18("6","2","6","9","7","6","1") = "8"
    & skf18("6","2","6","9","7","7","1") = "8"
    & skf18("6","2","6","9","7","8","1") = "8"
    & skf18("6","2","6","9","7","9","1") = "8"
    & skf18("6","2","6","9","7","10","1") = "9"
    & skf18("6","2","6","9","8","1","1") = "8"
    & skf18("6","2","6","9","8","2","1") = "8"
    & skf18("6","2","6","9","8","3","1") = "8"
    & skf18("6","2","6","9","8","4","1") = "8"
    & skf18("6","2","6","9","8","5","1") = "8"
    & skf18("6","2","6","9","8","6","1") = "8"
    & skf18("6","2","6","9","8","7","1") = "8"
    & skf18("6","2","6","9","8","8","1") = "8"
    & skf18("6","2","6","9","8","9","1") = "8"
    & skf18("6","2","6","9","8","10","1") = "9"
    & skf18("6","2","6","9","9","1","1") = "8"
    & skf18("6","2","6","9","9","2","1") = "8"
    & skf18("6","2","6","9","9","3","1") = "8"
    & skf18("6","2","6","9","9","4","1") = "8"
    & skf18("6","2","6","9","9","5","1") = "8"
    & skf18("6","2","6","9","9","6","1") = "8"
    & skf18("6","2","6","9","9","7","1") = "8"
    & skf18("6","2","6","9","9","8","1") = "8"
    & skf18("6","2","6","9","9","9","1") = "8"
    & skf18("6","2","6","9","9","10","1") = "9"
    & skf18("6","2","6","9","10","1","1") = "9"
    & skf18("6","2","6","9","10","2","1") = "9"
    & skf18("6","2","6","9","10","3","1") = "9"
    & skf18("6","2","6","9","10","4","1") = "9"
    & skf18("6","2","6","9","10","5","1") = "9"
    & skf18("6","2","6","9","10","6","1") = "9"
    & skf18("6","2","6","9","10","7","1") = "9"
    & skf18("6","2","6","9","10","8","1") = "9"
    & skf18("6","2","6","9","10","9","1") = "9"
    & skf18("6","2","6","9","10","10","1") = "9"
    & skf18("6","2","6","10","1","1","1") = "9"
    & skf18("6","2","6","10","1","2","1") = "9"
    & skf18("6","2","6","10","1","3","1") = "9"
    & skf18("6","2","6","10","1","4","1") = "9"
    & skf18("6","2","6","10","1","5","1") = "9"
    & skf18("6","2","6","10","1","6","1") = "9"
    & skf18("6","2","6","10","1","7","1") = "9"
    & skf18("6","2","6","10","1","8","1") = "9"
    & skf18("6","2","6","10","1","9","1") = "9"
    & skf18("6","2","6","10","1","10","1") = "9"
    & skf18("6","2","6","10","2","1","1") = "9"
    & skf18("6","2","6","10","2","2","1") = "9"
    & skf18("6","2","6","10","2","3","1") = "9"
    & skf18("6","2","6","10","2","4","1") = "9"
    & skf18("6","2","6","10","2","5","1") = "9"
    & skf18("6","2","6","10","2","6","1") = "9"
    & skf18("6","2","6","10","2","7","1") = "9"
    & skf18("6","2","6","10","2","8","1") = "9"
    & skf18("6","2","6","10","2","9","1") = "9"
    & skf18("6","2","6","10","2","10","1") = "9"
    & skf18("6","2","6","10","3","1","1") = "9"
    & skf18("6","2","6","10","3","2","1") = "9"
    & skf18("6","2","6","10","3","3","1") = "9"
    & skf18("6","2","6","10","3","4","1") = "9"
    & skf18("6","2","6","10","3","5","1") = "9"
    & skf18("6","2","6","10","3","6","1") = "9"
    & skf18("6","2","6","10","3","7","1") = "9"
    & skf18("6","2","6","10","3","8","1") = "9"
    & skf18("6","2","6","10","3","9","1") = "9"
    & skf18("6","2","6","10","3","10","1") = "9"
    & skf18("6","2","6","10","4","1","1") = "9"
    & skf18("6","2","6","10","4","2","1") = "9"
    & skf18("6","2","6","10","4","3","1") = "9"
    & skf18("6","2","6","10","4","4","1") = "9"
    & skf18("6","2","6","10","4","5","1") = "9"
    & skf18("6","2","6","10","4","6","1") = "9"
    & skf18("6","2","6","10","4","7","1") = "9"
    & skf18("6","2","6","10","4","8","1") = "9"
    & skf18("6","2","6","10","4","9","1") = "9"
    & skf18("6","2","6","10","4","10","1") = "9"
    & skf18("6","2","6","10","5","1","1") = "9"
    & skf18("6","2","6","10","5","2","1") = "9"
    & skf18("6","2","6","10","5","3","1") = "9"
    & skf18("6","2","6","10","5","4","1") = "9"
    & skf18("6","2","6","10","5","5","1") = "9"
    & skf18("6","2","6","10","5","6","1") = "9"
    & skf18("6","2","6","10","5","7","1") = "9"
    & skf18("6","2","6","10","5","8","1") = "9"
    & skf18("6","2","6","10","5","9","1") = "9"
    & skf18("6","2","6","10","5","10","1") = "9"
    & skf18("6","2","6","10","6","1","1") = "9"
    & skf18("6","2","6","10","6","2","1") = "9"
    & skf18("6","2","6","10","6","3","1") = "9"
    & skf18("6","2","6","10","6","4","1") = "9"
    & skf18("6","2","6","10","6","5","1") = "9"
    & skf18("6","2","6","10","6","6","1") = "9"
    & skf18("6","2","6","10","6","7","1") = "9"
    & skf18("6","2","6","10","6","8","1") = "9"
    & skf18("6","2","6","10","6","9","1") = "9"
    & skf18("6","2","6","10","6","10","1") = "9"
    & skf18("6","2","6","10","7","1","1") = "9"
    & skf18("6","2","6","10","7","2","1") = "9"
    & skf18("6","2","6","10","7","3","1") = "9"
    & skf18("6","2","6","10","7","4","1") = "9"
    & skf18("6","2","6","10","7","5","1") = "9"
    & skf18("6","2","6","10","7","6","1") = "9"
    & skf18("6","2","6","10","7","7","1") = "9"
    & skf18("6","2","6","10","7","8","1") = "9"
    & skf18("6","2","6","10","7","9","1") = "9"
    & skf18("6","2","6","10","7","10","1") = "9"
    & skf18("6","2","6","10","8","1","1") = "9"
    & skf18("6","2","6","10","8","2","1") = "9"
    & skf18("6","2","6","10","8","3","1") = "9"
    & skf18("6","2","6","10","8","4","1") = "9"
    & skf18("6","2","6","10","8","5","1") = "9"
    & skf18("6","2","6","10","8","6","1") = "9"
    & skf18("6","2","6","10","8","7","1") = "9"
    & skf18("6","2","6","10","8","8","1") = "9"
    & skf18("6","2","6","10","8","9","1") = "9"
    & skf18("6","2","6","10","8","10","1") = "9"
    & skf18("6","2","6","10","9","1","1") = "9"
    & skf18("6","2","6","10","9","2","1") = "9"
    & skf18("6","2","6","10","9","3","1") = "9"
    & skf18("6","2","6","10","9","4","1") = "9"
    & skf18("6","2","6","10","9","5","1") = "9"
    & skf18("6","2","6","10","9","6","1") = "9"
    & skf18("6","2","6","10","9","7","1") = "9"
    & skf18("6","2","6","10","9","8","1") = "9"
    & skf18("6","2","6","10","9","9","1") = "9"
    & skf18("6","2","6","10","9","10","1") = "9"
    & skf18("6","2","6","10","10","1","1") = "9"
    & skf18("6","2","6","10","10","2","1") = "9"
    & skf18("6","2","6","10","10","3","1") = "9"
    & skf18("6","2","6","10","10","4","1") = "9"
    & skf18("6","2","6","10","10","5","1") = "9"
    & skf18("6","2","6","10","10","6","1") = "9"
    & skf18("6","2","6","10","10","7","1") = "9"
    & skf18("6","2","6","10","10","8","1") = "9"
    & skf18("6","2","6","10","10","9","1") = "9"
    & skf18("6","2","6","10","10","10","1") = "9"
    & skf18("6","2","7","1","1","1","1") = "6"
    & skf18("6","2","7","1","1","2","1") = "6"
    & skf18("6","2","7","1","1","3","1") = "6"
    & skf18("6","2","7","1","1","4","1") = "6"
    & skf18("6","2","7","1","1","5","1") = "6"
    & skf18("6","2","7","1","1","6","1") = "6"
    & skf18("6","2","7","1","1","7","1") = "6"
    & skf18("6","2","7","1","1","8","1") = "7"
    & skf18("6","2","7","1","1","9","1") = "8"
    & skf18("6","2","7","1","1","10","1") = "9"
    & skf18("6","2","7","1","2","1","1") = "6"
    & skf18("6","2","7","1","2","2","1") = "6"
    & skf18("6","2","7","1","2","3","1") = "6"
    & skf18("6","2","7","1","2","4","1") = "6"
    & skf18("6","2","7","1","2","5","1") = "6"
    & skf18("6","2","7","1","2","6","1") = "6"
    & skf18("6","2","7","1","2","7","1") = "6"
    & skf18("6","2","7","1","2","8","1") = "7"
    & skf18("6","2","7","1","2","9","1") = "8"
    & skf18("6","2","7","1","2","10","1") = "9"
    & skf18("6","2","7","1","3","1","1") = "6"
    & skf18("6","2","7","1","3","2","1") = "6"
    & skf18("6","2","7","1","3","3","1") = "6"
    & skf18("6","2","7","1","3","4","1") = "6"
    & skf18("6","2","7","1","3","5","1") = "6"
    & skf18("6","2","7","1","3","6","1") = "6"
    & skf18("6","2","7","1","3","7","1") = "6"
    & skf18("6","2","7","1","3","8","1") = "7"
    & skf18("6","2","7","1","3","9","1") = "8"
    & skf18("6","2","7","1","3","10","1") = "9"
    & skf18("6","2","7","1","4","1","1") = "6"
    & skf18("6","2","7","1","4","2","1") = "6"
    & skf18("6","2","7","1","4","3","1") = "6"
    & skf18("6","2","7","1","4","4","1") = "6"
    & skf18("6","2","7","1","4","5","1") = "6"
    & skf18("6","2","7","1","4","6","1") = "6"
    & skf18("6","2","7","1","4","7","1") = "6"
    & skf18("6","2","7","1","4","8","1") = "7"
    & skf18("6","2","7","1","4","9","1") = "8"
    & skf18("6","2","7","1","4","10","1") = "9"
    & skf18("6","2","7","1","5","1","1") = "6"
    & skf18("6","2","7","1","5","2","1") = "6"
    & skf18("6","2","7","1","5","3","1") = "6"
    & skf18("6","2","7","1","5","4","1") = "6"
    & skf18("6","2","7","1","5","5","1") = "6"
    & skf18("6","2","7","1","5","6","1") = "6"
    & skf18("6","2","7","1","5","7","1") = "6"
    & skf18("6","2","7","1","5","8","1") = "7"
    & skf18("6","2","7","1","5","9","1") = "8"
    & skf18("6","2","7","1","5","10","1") = "9"
    & skf18("6","2","7","1","6","1","1") = "6"
    & skf18("6","2","7","1","6","2","1") = "6"
    & skf18("6","2","7","1","6","3","1") = "6"
    & skf18("6","2","7","1","6","4","1") = "6"
    & skf18("6","2","7","1","6","5","1") = "6"
    & skf18("6","2","7","1","6","6","1") = "6"
    & skf18("6","2","7","1","6","7","1") = "6"
    & skf18("6","2","7","1","6","8","1") = "7"
    & skf18("6","2","7","1","6","9","1") = "8"
    & skf18("6","2","7","1","6","10","1") = "9"
    & skf18("6","2","7","1","7","1","1") = "6"
    & skf18("6","2","7","1","7","2","1") = "6"
    & skf18("6","2","7","1","7","3","1") = "6"
    & skf18("6","2","7","1","7","4","1") = "6"
    & skf18("6","2","7","1","7","5","1") = "6"
    & skf18("6","2","7","1","7","6","1") = "6"
    & skf18("6","2","7","1","7","7","1") = "6"
    & skf18("6","2","7","1","7","8","1") = "7"
    & skf18("6","2","7","1","7","9","1") = "8"
    & skf18("6","2","7","1","7","10","1") = "9"
    & skf18("6","2","7","1","8","1","1") = "7"
    & skf18("6","2","7","1","8","2","1") = "7"
    & skf18("6","2","7","1","8","3","1") = "7"
    & skf18("6","2","7","1","8","4","1") = "7"
    & skf18("6","2","7","1","8","5","1") = "7"
    & skf18("6","2","7","1","8","6","1") = "7"
    & skf18("6","2","7","1","8","7","1") = "7"
    & skf18("6","2","7","1","8","8","1") = "7"
    & skf18("6","2","7","1","8","9","1") = "8"
    & skf18("6","2","7","1","8","10","1") = "9"
    & skf18("6","2","7","1","9","1","1") = "8"
    & skf18("6","2","7","1","9","2","1") = "8"
    & skf18("6","2","7","1","9","3","1") = "8"
    & skf18("6","2","7","1","9","4","1") = "8"
    & skf18("6","2","7","1","9","5","1") = "8"
    & skf18("6","2","7","1","9","6","1") = "8"
    & skf18("6","2","7","1","9","7","1") = "8"
    & skf18("6","2","7","1","9","8","1") = "8"
    & skf18("6","2","7","1","9","9","1") = "8"
    & skf18("6","2","7","1","9","10","1") = "9"
    & skf18("6","2","7","1","10","1","1") = "9"
    & skf18("6","2","7","1","10","2","1") = "9"
    & skf18("6","2","7","1","10","3","1") = "9"
    & skf18("6","2","7","1","10","4","1") = "9"
    & skf18("6","2","7","1","10","5","1") = "9"
    & skf18("6","2","7","1","10","6","1") = "9"
    & skf18("6","2","7","1","10","7","1") = "9"
    & skf18("6","2","7","1","10","8","1") = "9"
    & skf18("6","2","7","1","10","9","1") = "9"
    & skf18("6","2","7","1","10","10","1") = "9"
    & skf18("6","2","7","2","1","1","1") = "6"
    & skf18("6","2","7","2","1","2","1") = "6"
    & skf18("6","2","7","2","1","3","1") = "6"
    & skf18("6","2","7","2","1","4","1") = "6"
    & skf18("6","2","7","2","1","5","1") = "6"
    & skf18("6","2","7","2","1","6","1") = "6"
    & skf18("6","2","7","2","1","7","1") = "6"
    & skf18("6","2","7","2","1","8","1") = "7"
    & skf18("6","2","7","2","1","9","1") = "8"
    & skf18("6","2","7","2","1","10","1") = "9"
    & skf18("6","2","7","2","2","1","1") = "6"
    & skf18("6","2","7","2","2","2","1") = "6"
    & skf18("6","2","7","2","2","3","1") = "6"
    & skf18("6","2","7","2","2","4","1") = "6"
    & skf18("6","2","7","2","2","5","1") = "6"
    & skf18("6","2","7","2","2","6","1") = "6"
    & skf18("6","2","7","2","2","7","1") = "6"
    & skf18("6","2","7","2","2","8","1") = "7"
    & skf18("6","2","7","2","2","9","1") = "8"
    & skf18("6","2","7","2","2","10","1") = "9"
    & skf18("6","2","7","2","3","1","1") = "6"
    & skf18("6","2","7","2","3","2","1") = "6"
    & skf18("6","2","7","2","3","3","1") = "6"
    & skf18("6","2","7","2","3","4","1") = "6"
    & skf18("6","2","7","2","3","5","1") = "6"
    & skf18("6","2","7","2","3","6","1") = "6"
    & skf18("6","2","7","2","3","7","1") = "6"
    & skf18("6","2","7","2","3","8","1") = "7"
    & skf18("6","2","7","2","3","9","1") = "8"
    & skf18("6","2","7","2","3","10","1") = "9"
    & skf18("6","2","7","2","4","1","1") = "6"
    & skf18("6","2","7","2","4","2","1") = "6"
    & skf18("6","2","7","2","4","3","1") = "6"
    & skf18("6","2","7","2","4","4","1") = "6"
    & skf18("6","2","7","2","4","5","1") = "6"
    & skf18("6","2","7","2","4","6","1") = "6"
    & skf18("6","2","7","2","4","7","1") = "6"
    & skf18("6","2","7","2","4","8","1") = "7"
    & skf18("6","2","7","2","4","9","1") = "8"
    & skf18("6","2","7","2","4","10","1") = "9"
    & skf18("6","2","7","2","5","1","1") = "6"
    & skf18("6","2","7","2","5","2","1") = "6"
    & skf18("6","2","7","2","5","3","1") = "6"
    & skf18("6","2","7","2","5","4","1") = "6"
    & skf18("6","2","7","2","5","5","1") = "6"
    & skf18("6","2","7","2","5","6","1") = "6"
    & skf18("6","2","7","2","5","7","1") = "6"
    & skf18("6","2","7","2","5","8","1") = "7"
    & skf18("6","2","7","2","5","9","1") = "8"
    & skf18("6","2","7","2","5","10","1") = "9"
    & skf18("6","2","7","2","6","1","1") = "6"
    & skf18("6","2","7","2","6","2","1") = "6"
    & skf18("6","2","7","2","6","3","1") = "6"
    & skf18("6","2","7","2","6","4","1") = "6"
    & skf18("6","2","7","2","6","5","1") = "6"
    & skf18("6","2","7","2","6","6","1") = "6"
    & skf18("6","2","7","2","6","7","1") = "6"
    & skf18("6","2","7","2","6","8","1") = "7"
    & skf18("6","2","7","2","6","9","1") = "8"
    & skf18("6","2","7","2","6","10","1") = "9"
    & skf18("6","2","7","2","7","1","1") = "6"
    & skf18("6","2","7","2","7","2","1") = "6"
    & skf18("6","2","7","2","7","3","1") = "6"
    & skf18("6","2","7","2","7","4","1") = "6"
    & skf18("6","2","7","2","7","5","1") = "6"
    & skf18("6","2","7","2","7","6","1") = "6"
    & skf18("6","2","7","2","7","7","1") = "6"
    & skf18("6","2","7","2","7","8","1") = "7"
    & skf18("6","2","7","2","7","9","1") = "8"
    & skf18("6","2","7","2","7","10","1") = "9"
    & skf18("6","2","7","2","8","1","1") = "7"
    & skf18("6","2","7","2","8","2","1") = "7"
    & skf18("6","2","7","2","8","3","1") = "7"
    & skf18("6","2","7","2","8","4","1") = "7"
    & skf18("6","2","7","2","8","5","1") = "7"
    & skf18("6","2","7","2","8","6","1") = "7"
    & skf18("6","2","7","2","8","7","1") = "7"
    & skf18("6","2","7","2","8","8","1") = "7"
    & skf18("6","2","7","2","8","9","1") = "8"
    & skf18("6","2","7","2","8","10","1") = "9"
    & skf18("6","2","7","2","9","1","1") = "8"
    & skf18("6","2","7","2","9","2","1") = "8"
    & skf18("6","2","7","2","9","3","1") = "8"
    & skf18("6","2","7","2","9","4","1") = "8"
    & skf18("6","2","7","2","9","5","1") = "8"
    & skf18("6","2","7","2","9","6","1") = "8"
    & skf18("6","2","7","2","9","7","1") = "8"
    & skf18("6","2","7","2","9","8","1") = "8"
    & skf18("6","2","7","2","9","9","1") = "8"
    & skf18("6","2","7","2","9","10","1") = "9"
    & skf18("6","2","7","2","10","1","1") = "9"
    & skf18("6","2","7","2","10","2","1") = "9"
    & skf18("6","2","7","2","10","3","1") = "9"
    & skf18("6","2","7","2","10","4","1") = "9"
    & skf18("6","2","7","2","10","5","1") = "9"
    & skf18("6","2","7","2","10","6","1") = "9"
    & skf18("6","2","7","2","10","7","1") = "9"
    & skf18("6","2","7","2","10","8","1") = "9"
    & skf18("6","2","7","2","10","9","1") = "9"
    & skf18("6","2","7","2","10","10","1") = "9"
    & skf18("6","2","7","3","1","1","1") = "6"
    & skf18("6","2","7","3","1","2","1") = "6"
    & skf18("6","2","7","3","1","3","1") = "6"
    & skf18("6","2","7","3","1","4","1") = "6"
    & skf18("6","2","7","3","1","5","1") = "6"
    & skf18("6","2","7","3","1","6","1") = "6"
    & skf18("6","2","7","3","1","7","1") = "6"
    & skf18("6","2","7","3","1","8","1") = "7"
    & skf18("6","2","7","3","1","9","1") = "8"
    & skf18("6","2","7","3","1","10","1") = "9"
    & skf18("6","2","7","3","2","1","1") = "6"
    & skf18("6","2","7","3","2","2","1") = "6"
    & skf18("6","2","7","3","2","3","1") = "6"
    & skf18("6","2","7","3","2","4","1") = "6"
    & skf18("6","2","7","3","2","5","1") = "6"
    & skf18("6","2","7","3","2","6","1") = "6"
    & skf18("6","2","7","3","2","7","1") = "6"
    & skf18("6","2","7","3","2","8","1") = "7"
    & skf18("6","2","7","3","2","9","1") = "8"
    & skf18("6","2","7","3","2","10","1") = "9"
    & skf18("6","2","7","3","3","1","1") = "6"
    & skf18("6","2","7","3","3","2","1") = "6"
    & skf18("6","2","7","3","3","3","1") = "6"
    & skf18("6","2","7","3","3","4","1") = "6"
    & skf18("6","2","7","3","3","5","1") = "6"
    & skf18("6","2","7","3","3","6","1") = "6"
    & skf18("6","2","7","3","3","7","1") = "6"
    & skf18("6","2","7","3","3","8","1") = "7"
    & skf18("6","2","7","3","3","9","1") = "8"
    & skf18("6","2","7","3","3","10","1") = "9"
    & skf18("6","2","7","3","4","1","1") = "6"
    & skf18("6","2","7","3","4","2","1") = "6"
    & skf18("6","2","7","3","4","3","1") = "6"
    & skf18("6","2","7","3","4","4","1") = "6"
    & skf18("6","2","7","3","4","5","1") = "6"
    & skf18("6","2","7","3","4","6","1") = "6"
    & skf18("6","2","7","3","4","7","1") = "6"
    & skf18("6","2","7","3","4","8","1") = "7"
    & skf18("6","2","7","3","4","9","1") = "8"
    & skf18("6","2","7","3","4","10","1") = "9"
    & skf18("6","2","7","3","5","1","1") = "6"
    & skf18("6","2","7","3","5","2","1") = "6"
    & skf18("6","2","7","3","5","3","1") = "6"
    & skf18("6","2","7","3","5","4","1") = "6"
    & skf18("6","2","7","3","5","5","1") = "6"
    & skf18("6","2","7","3","5","6","1") = "6"
    & skf18("6","2","7","3","5","7","1") = "6"
    & skf18("6","2","7","3","5","8","1") = "7"
    & skf18("6","2","7","3","5","9","1") = "8"
    & skf18("6","2","7","3","5","10","1") = "9"
    & skf18("6","2","7","3","6","1","1") = "6"
    & skf18("6","2","7","3","6","2","1") = "6"
    & skf18("6","2","7","3","6","3","1") = "6"
    & skf18("6","2","7","3","6","4","1") = "6"
    & skf18("6","2","7","3","6","5","1") = "6"
    & skf18("6","2","7","3","6","6","1") = "6"
    & skf18("6","2","7","3","6","7","1") = "6"
    & skf18("6","2","7","3","6","8","1") = "7"
    & skf18("6","2","7","3","6","9","1") = "8"
    & skf18("6","2","7","3","6","10","1") = "9"
    & skf18("6","2","7","3","7","1","1") = "6"
    & skf18("6","2","7","3","7","2","1") = "6"
    & skf18("6","2","7","3","7","3","1") = "6"
    & skf18("6","2","7","3","7","4","1") = "6"
    & skf18("6","2","7","3","7","5","1") = "6"
    & skf18("6","2","7","3","7","6","1") = "6"
    & skf18("6","2","7","3","7","7","1") = "6"
    & skf18("6","2","7","3","7","8","1") = "7"
    & skf18("6","2","7","3","7","9","1") = "8"
    & skf18("6","2","7","3","7","10","1") = "9"
    & skf18("6","2","7","3","8","1","1") = "7"
    & skf18("6","2","7","3","8","2","1") = "7"
    & skf18("6","2","7","3","8","3","1") = "7"
    & skf18("6","2","7","3","8","4","1") = "7"
    & skf18("6","2","7","3","8","5","1") = "7"
    & skf18("6","2","7","3","8","6","1") = "7"
    & skf18("6","2","7","3","8","7","1") = "7"
    & skf18("6","2","7","3","8","8","1") = "7"
    & skf18("6","2","7","3","8","9","1") = "8"
    & skf18("6","2","7","3","8","10","1") = "9"
    & skf18("6","2","7","3","9","1","1") = "8"
    & skf18("6","2","7","3","9","2","1") = "8"
    & skf18("6","2","7","3","9","3","1") = "8"
    & skf18("6","2","7","3","9","4","1") = "8"
    & skf18("6","2","7","3","9","5","1") = "8"
    & skf18("6","2","7","3","9","6","1") = "8"
    & skf18("6","2","7","3","9","7","1") = "8"
    & skf18("6","2","7","3","9","8","1") = "8"
    & skf18("6","2","7","3","9","9","1") = "8"
    & skf18("6","2","7","3","9","10","1") = "9"
    & skf18("6","2","7","3","10","1","1") = "9"
    & skf18("6","2","7","3","10","2","1") = "9"
    & skf18("6","2","7","3","10","3","1") = "9"
    & skf18("6","2","7","3","10","4","1") = "9"
    & skf18("6","2","7","3","10","5","1") = "9"
    & skf18("6","2","7","3","10","6","1") = "9"
    & skf18("6","2","7","3","10","7","1") = "9"
    & skf18("6","2","7","3","10","8","1") = "9"
    & skf18("6","2","7","3","10","9","1") = "9"
    & skf18("6","2","7","3","10","10","1") = "9"
    & skf18("6","2","7","4","1","1","1") = "6"
    & skf18("6","2","7","4","1","2","1") = "6"
    & skf18("6","2","7","4","1","3","1") = "6"
    & skf18("6","2","7","4","1","4","1") = "6"
    & skf18("6","2","7","4","1","5","1") = "6"
    & skf18("6","2","7","4","1","6","1") = "6"
    & skf18("6","2","7","4","1","7","1") = "6"
    & skf18("6","2","7","4","1","8","1") = "7"
    & skf18("6","2","7","4","1","9","1") = "8"
    & skf18("6","2","7","4","1","10","1") = "9"
    & skf18("6","2","7","4","2","1","1") = "6"
    & skf18("6","2","7","4","2","2","1") = "6"
    & skf18("6","2","7","4","2","3","1") = "6"
    & skf18("6","2","7","4","2","4","1") = "6"
    & skf18("6","2","7","4","2","5","1") = "6"
    & skf18("6","2","7","4","2","6","1") = "6"
    & skf18("6","2","7","4","2","7","1") = "6"
    & skf18("6","2","7","4","2","8","1") = "7"
    & skf18("6","2","7","4","2","9","1") = "8"
    & skf18("6","2","7","4","2","10","1") = "9"
    & skf18("6","2","7","4","3","1","1") = "6"
    & skf18("6","2","7","4","3","2","1") = "6"
    & skf18("6","2","7","4","3","3","1") = "6"
    & skf18("6","2","7","4","3","4","1") = "6"
    & skf18("6","2","7","4","3","5","1") = "6"
    & skf18("6","2","7","4","3","6","1") = "6"
    & skf18("6","2","7","4","3","7","1") = "6"
    & skf18("6","2","7","4","3","8","1") = "7"
    & skf18("6","2","7","4","3","9","1") = "8"
    & skf18("6","2","7","4","3","10","1") = "9"
    & skf18("6","2","7","4","4","1","1") = "6"
    & skf18("6","2","7","4","4","2","1") = "6"
    & skf18("6","2","7","4","4","3","1") = "6"
    & skf18("6","2","7","4","4","4","1") = "6"
    & skf18("6","2","7","4","4","5","1") = "6"
    & skf18("6","2","7","4","4","6","1") = "6"
    & skf18("6","2","7","4","4","7","1") = "6"
    & skf18("6","2","7","4","4","8","1") = "7"
    & skf18("6","2","7","4","4","9","1") = "8"
    & skf18("6","2","7","4","4","10","1") = "9"
    & skf18("6","2","7","4","5","1","1") = "6"
    & skf18("6","2","7","4","5","2","1") = "6"
    & skf18("6","2","7","4","5","3","1") = "6"
    & skf18("6","2","7","4","5","4","1") = "6"
    & skf18("6","2","7","4","5","5","1") = "6"
    & skf18("6","2","7","4","5","6","1") = "6"
    & skf18("6","2","7","4","5","7","1") = "6"
    & skf18("6","2","7","4","5","8","1") = "7"
    & skf18("6","2","7","4","5","9","1") = "8"
    & skf18("6","2","7","4","5","10","1") = "9"
    & skf18("6","2","7","4","6","1","1") = "6"
    & skf18("6","2","7","4","6","2","1") = "6"
    & skf18("6","2","7","4","6","3","1") = "6"
    & skf18("6","2","7","4","6","4","1") = "6"
    & skf18("6","2","7","4","6","5","1") = "6"
    & skf18("6","2","7","4","6","6","1") = "6"
    & skf18("6","2","7","4","6","7","1") = "6"
    & skf18("6","2","7","4","6","8","1") = "7"
    & skf18("6","2","7","4","6","9","1") = "8"
    & skf18("6","2","7","4","6","10","1") = "9"
    & skf18("6","2","7","4","7","1","1") = "6"
    & skf18("6","2","7","4","7","2","1") = "6"
    & skf18("6","2","7","4","7","3","1") = "6"
    & skf18("6","2","7","4","7","4","1") = "6"
    & skf18("6","2","7","4","7","5","1") = "6"
    & skf18("6","2","7","4","7","6","1") = "6"
    & skf18("6","2","7","4","7","7","1") = "6"
    & skf18("6","2","7","4","7","8","1") = "7"
    & skf18("6","2","7","4","7","9","1") = "8"
    & skf18("6","2","7","4","7","10","1") = "9"
    & skf18("6","2","7","4","8","1","1") = "7"
    & skf18("6","2","7","4","8","2","1") = "7"
    & skf18("6","2","7","4","8","3","1") = "7"
    & skf18("6","2","7","4","8","4","1") = "7"
    & skf18("6","2","7","4","8","5","1") = "7"
    & skf18("6","2","7","4","8","6","1") = "7"
    & skf18("6","2","7","4","8","7","1") = "7"
    & skf18("6","2","7","4","8","8","1") = "7"
    & skf18("6","2","7","4","8","9","1") = "8"
    & skf18("6","2","7","4","8","10","1") = "9"
    & skf18("6","2","7","4","9","1","1") = "8"
    & skf18("6","2","7","4","9","2","1") = "8"
    & skf18("6","2","7","4","9","3","1") = "8"
    & skf18("6","2","7","4","9","4","1") = "8"
    & skf18("6","2","7","4","9","5","1") = "8"
    & skf18("6","2","7","4","9","6","1") = "8"
    & skf18("6","2","7","4","9","7","1") = "8"
    & skf18("6","2","7","4","9","8","1") = "8"
    & skf18("6","2","7","4","9","9","1") = "8"
    & skf18("6","2","7","4","9","10","1") = "9"
    & skf18("6","2","7","4","10","1","1") = "9"
    & skf18("6","2","7","4","10","2","1") = "9"
    & skf18("6","2","7","4","10","3","1") = "9"
    & skf18("6","2","7","4","10","4","1") = "9"
    & skf18("6","2","7","4","10","5","1") = "9"
    & skf18("6","2","7","4","10","6","1") = "9"
    & skf18("6","2","7","4","10","7","1") = "9"
    & skf18("6","2","7","4","10","8","1") = "9"
    & skf18("6","2","7","4","10","9","1") = "9"
    & skf18("6","2","7","4","10","10","1") = "9"
    & skf18("6","2","7","5","1","1","1") = "6"
    & skf18("6","2","7","5","1","2","1") = "6"
    & skf18("6","2","7","5","1","3","1") = "6"
    & skf18("6","2","7","5","1","4","1") = "6"
    & skf18("6","2","7","5","1","5","1") = "6"
    & skf18("6","2","7","5","1","6","1") = "6"
    & skf18("6","2","7","5","1","7","1") = "6"
    & skf18("6","2","7","5","1","8","1") = "7"
    & skf18("6","2","7","5","1","9","1") = "8"
    & skf18("6","2","7","5","1","10","1") = "9"
    & skf18("6","2","7","5","2","1","1") = "6"
    & skf18("6","2","7","5","2","2","1") = "6"
    & skf18("6","2","7","5","2","3","1") = "6"
    & skf18("6","2","7","5","2","4","1") = "6"
    & skf18("6","2","7","5","2","5","1") = "6"
    & skf18("6","2","7","5","2","6","1") = "6"
    & skf18("6","2","7","5","2","7","1") = "6"
    & skf18("6","2","7","5","2","8","1") = "7"
    & skf18("6","2","7","5","2","9","1") = "8"
    & skf18("6","2","7","5","2","10","1") = "9"
    & skf18("6","2","7","5","3","1","1") = "6"
    & skf18("6","2","7","5","3","2","1") = "6"
    & skf18("6","2","7","5","3","3","1") = "6"
    & skf18("6","2","7","5","3","4","1") = "6"
    & skf18("6","2","7","5","3","5","1") = "6"
    & skf18("6","2","7","5","3","6","1") = "6"
    & skf18("6","2","7","5","3","7","1") = "6"
    & skf18("6","2","7","5","3","8","1") = "7"
    & skf18("6","2","7","5","3","9","1") = "8"
    & skf18("6","2","7","5","3","10","1") = "9"
    & skf18("6","2","7","5","4","1","1") = "6"
    & skf18("6","2","7","5","4","2","1") = "6"
    & skf18("6","2","7","5","4","3","1") = "6"
    & skf18("6","2","7","5","4","4","1") = "6"
    & skf18("6","2","7","5","4","5","1") = "6"
    & skf18("6","2","7","5","4","6","1") = "6"
    & skf18("6","2","7","5","4","7","1") = "6"
    & skf18("6","2","7","5","4","8","1") = "7"
    & skf18("6","2","7","5","4","9","1") = "8"
    & skf18("6","2","7","5","4","10","1") = "9"
    & skf18("6","2","7","5","5","1","1") = "6"
    & skf18("6","2","7","5","5","2","1") = "6"
    & skf18("6","2","7","5","5","3","1") = "6"
    & skf18("6","2","7","5","5","4","1") = "6"
    & skf18("6","2","7","5","5","5","1") = "6"
    & skf18("6","2","7","5","5","6","1") = "6"
    & skf18("6","2","7","5","5","7","1") = "6"
    & skf18("6","2","7","5","5","8","1") = "7"
    & skf18("6","2","7","5","5","9","1") = "8"
    & skf18("6","2","7","5","5","10","1") = "9"
    & skf18("6","2","7","5","6","1","1") = "6"
    & skf18("6","2","7","5","6","2","1") = "6"
    & skf18("6","2","7","5","6","3","1") = "6"
    & skf18("6","2","7","5","6","4","1") = "6"
    & skf18("6","2","7","5","6","5","1") = "6"
    & skf18("6","2","7","5","6","6","1") = "6"
    & skf18("6","2","7","5","6","7","1") = "6"
    & skf18("6","2","7","5","6","8","1") = "7"
    & skf18("6","2","7","5","6","9","1") = "8"
    & skf18("6","2","7","5","6","10","1") = "9"
    & skf18("6","2","7","5","7","1","1") = "6"
    & skf18("6","2","7","5","7","2","1") = "6"
    & skf18("6","2","7","5","7","3","1") = "6"
    & skf18("6","2","7","5","7","4","1") = "6"
    & skf18("6","2","7","5","7","5","1") = "6"
    & skf18("6","2","7","5","7","6","1") = "6"
    & skf18("6","2","7","5","7","7","1") = "6"
    & skf18("6","2","7","5","7","8","1") = "7"
    & skf18("6","2","7","5","7","9","1") = "8"
    & skf18("6","2","7","5","7","10","1") = "9"
    & skf18("6","2","7","5","8","1","1") = "7"
    & skf18("6","2","7","5","8","2","1") = "7"
    & skf18("6","2","7","5","8","3","1") = "7"
    & skf18("6","2","7","5","8","4","1") = "7"
    & skf18("6","2","7","5","8","5","1") = "7"
    & skf18("6","2","7","5","8","6","1") = "7"
    & skf18("6","2","7","5","8","7","1") = "7"
    & skf18("6","2","7","5","8","8","1") = "7"
    & skf18("6","2","7","5","8","9","1") = "8"
    & skf18("6","2","7","5","8","10","1") = "9"
    & skf18("6","2","7","5","9","1","1") = "8"
    & skf18("6","2","7","5","9","2","1") = "8"
    & skf18("6","2","7","5","9","3","1") = "8"
    & skf18("6","2","7","5","9","4","1") = "8"
    & skf18("6","2","7","5","9","5","1") = "8"
    & skf18("6","2","7","5","9","6","1") = "8"
    & skf18("6","2","7","5","9","7","1") = "8"
    & skf18("6","2","7","5","9","8","1") = "8"
    & skf18("6","2","7","5","9","9","1") = "8"
    & skf18("6","2","7","5","9","10","1") = "9"
    & skf18("6","2","7","5","10","1","1") = "9"
    & skf18("6","2","7","5","10","2","1") = "9"
    & skf18("6","2","7","5","10","3","1") = "9"
    & skf18("6","2","7","5","10","4","1") = "9"
    & skf18("6","2","7","5","10","5","1") = "9"
    & skf18("6","2","7","5","10","6","1") = "9"
    & skf18("6","2","7","5","10","7","1") = "9"
    & skf18("6","2","7","5","10","8","1") = "9"
    & skf18("6","2","7","5","10","9","1") = "9"
    & skf18("6","2","7","5","10","10","1") = "9"
    & skf18("6","2","7","6","1","1","1") = "6"
    & skf18("6","2","7","6","1","2","1") = "6"
    & skf18("6","2","7","6","1","3","1") = "6"
    & skf18("6","2","7","6","1","4","1") = "6"
    & skf18("6","2","7","6","1","5","1") = "6"
    & skf18("6","2","7","6","1","6","1") = "6"
    & skf18("6","2","7","6","1","7","1") = "6"
    & skf18("6","2","7","6","1","8","1") = "7"
    & skf18("6","2","7","6","1","9","1") = "8"
    & skf18("6","2","7","6","1","10","1") = "9"
    & skf18("6","2","7","6","2","1","1") = "6"
    & skf18("6","2","7","6","2","2","1") = "6"
    & skf18("6","2","7","6","2","3","1") = "6"
    & skf18("6","2","7","6","2","4","1") = "6"
    & skf18("6","2","7","6","2","5","1") = "6"
    & skf18("6","2","7","6","2","6","1") = "6"
    & skf18("6","2","7","6","2","7","1") = "6"
    & skf18("6","2","7","6","2","8","1") = "7"
    & skf18("6","2","7","6","2","9","1") = "8"
    & skf18("6","2","7","6","2","10","1") = "9"
    & skf18("6","2","7","6","3","1","1") = "6"
    & skf18("6","2","7","6","3","2","1") = "6"
    & skf18("6","2","7","6","3","3","1") = "6"
    & skf18("6","2","7","6","3","4","1") = "6"
    & skf18("6","2","7","6","3","5","1") = "6"
    & skf18("6","2","7","6","3","6","1") = "6"
    & skf18("6","2","7","6","3","7","1") = "6"
    & skf18("6","2","7","6","3","8","1") = "7"
    & skf18("6","2","7","6","3","9","1") = "8"
    & skf18("6","2","7","6","3","10","1") = "9"
    & skf18("6","2","7","6","4","1","1") = "6"
    & skf18("6","2","7","6","4","2","1") = "6"
    & skf18("6","2","7","6","4","3","1") = "6"
    & skf18("6","2","7","6","4","4","1") = "6"
    & skf18("6","2","7","6","4","5","1") = "6"
    & skf18("6","2","7","6","4","6","1") = "6"
    & skf18("6","2","7","6","4","7","1") = "6"
    & skf18("6","2","7","6","4","8","1") = "7"
    & skf18("6","2","7","6","4","9","1") = "8"
    & skf18("6","2","7","6","4","10","1") = "9"
    & skf18("6","2","7","6","5","1","1") = "6"
    & skf18("6","2","7","6","5","2","1") = "6"
    & skf18("6","2","7","6","5","3","1") = "6"
    & skf18("6","2","7","6","5","4","1") = "6"
    & skf18("6","2","7","6","5","5","1") = "6"
    & skf18("6","2","7","6","5","6","1") = "6"
    & skf18("6","2","7","6","5","7","1") = "6"
    & skf18("6","2","7","6","5","8","1") = "7"
    & skf18("6","2","7","6","5","9","1") = "8"
    & skf18("6","2","7","6","5","10","1") = "9"
    & skf18("6","2","7","6","6","1","1") = "6"
    & skf18("6","2","7","6","6","2","1") = "6"
    & skf18("6","2","7","6","6","3","1") = "6"
    & skf18("6","2","7","6","6","4","1") = "6"
    & skf18("6","2","7","6","6","5","1") = "6"
    & skf18("6","2","7","6","6","6","1") = "6"
    & skf18("6","2","7","6","6","7","1") = "6"
    & skf18("6","2","7","6","6","8","1") = "7"
    & skf18("6","2","7","6","6","9","1") = "8"
    & skf18("6","2","7","6","6","10","1") = "9"
    & skf18("6","2","7","6","7","1","1") = "6"
    & skf18("6","2","7","6","7","2","1") = "6"
    & skf18("6","2","7","6","7","3","1") = "6"
    & skf18("6","2","7","6","7","4","1") = "6"
    & skf18("6","2","7","6","7","5","1") = "6"
    & skf18("6","2","7","6","7","6","1") = "6"
    & skf18("6","2","7","6","7","7","1") = "6"
    & skf18("6","2","7","6","7","8","1") = "7"
    & skf18("6","2","7","6","7","9","1") = "8"
    & skf18("6","2","7","6","7","10","1") = "9"
    & skf18("6","2","7","6","8","1","1") = "7"
    & skf18("6","2","7","6","8","2","1") = "7"
    & skf18("6","2","7","6","8","3","1") = "7"
    & skf18("6","2","7","6","8","4","1") = "7"
    & skf18("6","2","7","6","8","5","1") = "7"
    & skf18("6","2","7","6","8","6","1") = "7"
    & skf18("6","2","7","6","8","7","1") = "7"
    & skf18("6","2","7","6","8","8","1") = "7"
    & skf18("6","2","7","6","8","9","1") = "8"
    & skf18("6","2","7","6","8","10","1") = "9"
    & skf18("6","2","7","6","9","1","1") = "8"
    & skf18("6","2","7","6","9","2","1") = "8"
    & skf18("6","2","7","6","9","3","1") = "8"
    & skf18("6","2","7","6","9","4","1") = "8"
    & skf18("6","2","7","6","9","5","1") = "8"
    & skf18("6","2","7","6","9","6","1") = "8"
    & skf18("6","2","7","6","9","7","1") = "8"
    & skf18("6","2","7","6","9","8","1") = "8"
    & skf18("6","2","7","6","9","9","1") = "8"
    & skf18("6","2","7","6","9","10","1") = "9"
    & skf18("6","2","7","6","10","1","1") = "9"
    & skf18("6","2","7","6","10","2","1") = "9"
    & skf18("6","2","7","6","10","3","1") = "9"
    & skf18("6","2","7","6","10","4","1") = "9"
    & skf18("6","2","7","6","10","5","1") = "9"
    & skf18("6","2","7","6","10","6","1") = "9"
    & skf18("6","2","7","6","10","7","1") = "9"
    & skf18("6","2","7","6","10","8","1") = "9"
    & skf18("6","2","7","6","10","9","1") = "9"
    & skf18("6","2","7","6","10","10","1") = "9"
    & skf18("6","2","7","7","1","1","1") = "6"
    & skf18("6","2","7","7","1","2","1") = "6"
    & skf18("6","2","7","7","1","3","1") = "6"
    & skf18("6","2","7","7","1","4","1") = "6"
    & skf18("6","2","7","7","1","5","1") = "6"
    & skf18("6","2","7","7","1","6","1") = "6"
    & skf18("6","2","7","7","1","7","1") = "6"
    & skf18("6","2","7","7","1","8","1") = "7"
    & skf18("6","2","7","7","1","9","1") = "8"
    & skf18("6","2","7","7","1","10","1") = "9"
    & skf18("6","2","7","7","2","1","1") = "6"
    & skf18("6","2","7","7","2","2","1") = "6"
    & skf18("6","2","7","7","2","3","1") = "6"
    & skf18("6","2","7","7","2","4","1") = "6"
    & skf18("6","2","7","7","2","5","1") = "6"
    & skf18("6","2","7","7","2","6","1") = "6"
    & skf18("6","2","7","7","2","7","1") = "6"
    & skf18("6","2","7","7","2","8","1") = "7"
    & skf18("6","2","7","7","2","9","1") = "8"
    & skf18("6","2","7","7","2","10","1") = "9"
    & skf18("6","2","7","7","3","1","1") = "6"
    & skf18("6","2","7","7","3","2","1") = "6"
    & skf18("6","2","7","7","3","3","1") = "6"
    & skf18("6","2","7","7","3","4","1") = "6"
    & skf18("6","2","7","7","3","5","1") = "6"
    & skf18("6","2","7","7","3","6","1") = "6"
    & skf18("6","2","7","7","3","7","1") = "6"
    & skf18("6","2","7","7","3","8","1") = "7"
    & skf18("6","2","7","7","3","9","1") = "8"
    & skf18("6","2","7","7","3","10","1") = "9"
    & skf18("6","2","7","7","4","1","1") = "6"
    & skf18("6","2","7","7","4","2","1") = "6"
    & skf18("6","2","7","7","4","3","1") = "6"
    & skf18("6","2","7","7","4","4","1") = "6"
    & skf18("6","2","7","7","4","5","1") = "6"
    & skf18("6","2","7","7","4","6","1") = "6"
    & skf18("6","2","7","7","4","7","1") = "6"
    & skf18("6","2","7","7","4","8","1") = "7"
    & skf18("6","2","7","7","4","9","1") = "8"
    & skf18("6","2","7","7","4","10","1") = "9"
    & skf18("6","2","7","7","5","1","1") = "6"
    & skf18("6","2","7","7","5","2","1") = "6"
    & skf18("6","2","7","7","5","3","1") = "6"
    & skf18("6","2","7","7","5","4","1") = "6"
    & skf18("6","2","7","7","5","5","1") = "6"
    & skf18("6","2","7","7","5","6","1") = "6"
    & skf18("6","2","7","7","5","7","1") = "6"
    & skf18("6","2","7","7","5","8","1") = "7"
    & skf18("6","2","7","7","5","9","1") = "8"
    & skf18("6","2","7","7","5","10","1") = "9"
    & skf18("6","2","7","7","6","1","1") = "6"
    & skf18("6","2","7","7","6","2","1") = "6"
    & skf18("6","2","7","7","6","3","1") = "6"
    & skf18("6","2","7","7","6","4","1") = "6"
    & skf18("6","2","7","7","6","5","1") = "6"
    & skf18("6","2","7","7","6","6","1") = "6"
    & skf18("6","2","7","7","6","7","1") = "6"
    & skf18("6","2","7","7","6","8","1") = "7"
    & skf18("6","2","7","7","6","9","1") = "8"
    & skf18("6","2","7","7","6","10","1") = "9"
    & skf18("6","2","7","7","7","1","1") = "6"
    & skf18("6","2","7","7","7","2","1") = "6"
    & skf18("6","2","7","7","7","3","1") = "6"
    & skf18("6","2","7","7","7","4","1") = "6"
    & skf18("6","2","7","7","7","5","1") = "6"
    & skf18("6","2","7","7","7","6","1") = "6"
    & skf18("6","2","7","7","7","7","1") = "6"
    & skf18("6","2","7","7","7","8","1") = "7"
    & skf18("6","2","7","7","7","9","1") = "8"
    & skf18("6","2","7","7","7","10","1") = "9"
    & skf18("6","2","7","7","8","1","1") = "7"
    & skf18("6","2","7","7","8","2","1") = "7"
    & skf18("6","2","7","7","8","3","1") = "7"
    & skf18("6","2","7","7","8","4","1") = "7"
    & skf18("6","2","7","7","8","5","1") = "7"
    & skf18("6","2","7","7","8","6","1") = "7"
    & skf18("6","2","7","7","8","7","1") = "7"
    & skf18("6","2","7","7","8","8","1") = "7"
    & skf18("6","2","7","7","8","9","1") = "8"
    & skf18("6","2","7","7","8","10","1") = "9"
    & skf18("6","2","7","7","9","1","1") = "8"
    & skf18("6","2","7","7","9","2","1") = "8"
    & skf18("6","2","7","7","9","3","1") = "8"
    & skf18("6","2","7","7","9","4","1") = "8"
    & skf18("6","2","7","7","9","5","1") = "8"
    & skf18("6","2","7","7","9","6","1") = "8"
    & skf18("6","2","7","7","9","7","1") = "8"
    & skf18("6","2","7","7","9","8","1") = "8"
    & skf18("6","2","7","7","9","9","1") = "8"
    & skf18("6","2","7","7","9","10","1") = "9"
    & skf18("6","2","7","7","10","1","1") = "9"
    & skf18("6","2","7","7","10","2","1") = "9"
    & skf18("6","2","7","7","10","3","1") = "9"
    & skf18("6","2","7","7","10","4","1") = "9"
    & skf18("6","2","7","7","10","5","1") = "9"
    & skf18("6","2","7","7","10","6","1") = "9"
    & skf18("6","2","7","7","10","7","1") = "9"
    & skf18("6","2","7","7","10","8","1") = "9"
    & skf18("6","2","7","7","10","9","1") = "9"
    & skf18("6","2","7","7","10","10","1") = "9"
    & skf18("6","2","7","8","1","1","1") = "7"
    & skf18("6","2","7","8","1","2","1") = "7"
    & skf18("6","2","7","8","1","3","1") = "7"
    & skf18("6","2","7","8","1","4","1") = "7"
    & skf18("6","2","7","8","1","5","1") = "7"
    & skf18("6","2","7","8","1","6","1") = "7"
    & skf18("6","2","7","8","1","7","1") = "7"
    & skf18("6","2","7","8","1","8","1") = "7"
    & skf18("6","2","7","8","1","9","1") = "8"
    & skf18("6","2","7","8","1","10","1") = "9"
    & skf18("6","2","7","8","2","1","1") = "7"
    & skf18("6","2","7","8","2","2","1") = "7"
    & skf18("6","2","7","8","2","3","1") = "7"
    & skf18("6","2","7","8","2","4","1") = "7"
    & skf18("6","2","7","8","2","5","1") = "7"
    & skf18("6","2","7","8","2","6","1") = "7"
    & skf18("6","2","7","8","2","7","1") = "7"
    & skf18("6","2","7","8","2","8","1") = "7"
    & skf18("6","2","7","8","2","9","1") = "8"
    & skf18("6","2","7","8","2","10","1") = "9"
    & skf18("6","2","7","8","3","1","1") = "7"
    & skf18("6","2","7","8","3","2","1") = "7"
    & skf18("6","2","7","8","3","3","1") = "7"
    & skf18("6","2","7","8","3","4","1") = "7"
    & skf18("6","2","7","8","3","5","1") = "7"
    & skf18("6","2","7","8","3","6","1") = "7"
    & skf18("6","2","7","8","3","7","1") = "7"
    & skf18("6","2","7","8","3","8","1") = "7"
    & skf18("6","2","7","8","3","9","1") = "8"
    & skf18("6","2","7","8","3","10","1") = "9"
    & skf18("6","2","7","8","4","1","1") = "7"
    & skf18("6","2","7","8","4","2","1") = "7"
    & skf18("6","2","7","8","4","3","1") = "7"
    & skf18("6","2","7","8","4","4","1") = "7"
    & skf18("6","2","7","8","4","5","1") = "7"
    & skf18("6","2","7","8","4","6","1") = "7"
    & skf18("6","2","7","8","4","7","1") = "7"
    & skf18("6","2","7","8","4","8","1") = "7"
    & skf18("6","2","7","8","4","9","1") = "8"
    & skf18("6","2","7","8","4","10","1") = "9"
    & skf18("6","2","7","8","5","1","1") = "7"
    & skf18("6","2","7","8","5","2","1") = "7"
    & skf18("6","2","7","8","5","3","1") = "7"
    & skf18("6","2","7","8","5","4","1") = "7"
    & skf18("6","2","7","8","5","5","1") = "7"
    & skf18("6","2","7","8","5","6","1") = "7"
    & skf18("6","2","7","8","5","7","1") = "7"
    & skf18("6","2","7","8","5","8","1") = "7"
    & skf18("6","2","7","8","5","9","1") = "8"
    & skf18("6","2","7","8","5","10","1") = "9"
    & skf18("6","2","7","8","6","1","1") = "7"
    & skf18("6","2","7","8","6","2","1") = "7"
    & skf18("6","2","7","8","6","3","1") = "7"
    & skf18("6","2","7","8","6","4","1") = "7"
    & skf18("6","2","7","8","6","5","1") = "7"
    & skf18("6","2","7","8","6","6","1") = "7"
    & skf18("6","2","7","8","6","7","1") = "7"
    & skf18("6","2","7","8","6","8","1") = "7"
    & skf18("6","2","7","8","6","9","1") = "8"
    & skf18("6","2","7","8","6","10","1") = "9"
    & skf18("6","2","7","8","7","1","1") = "7"
    & skf18("6","2","7","8","7","2","1") = "7"
    & skf18("6","2","7","8","7","3","1") = "7"
    & skf18("6","2","7","8","7","4","1") = "7"
    & skf18("6","2","7","8","7","5","1") = "7"
    & skf18("6","2","7","8","7","6","1") = "7"
    & skf18("6","2","7","8","7","7","1") = "7"
    & skf18("6","2","7","8","7","8","1") = "7"
    & skf18("6","2","7","8","7","9","1") = "8"
    & skf18("6","2","7","8","7","10","1") = "9"
    & skf18("6","2","7","8","8","1","1") = "7"
    & skf18("6","2","7","8","8","2","1") = "7"
    & skf18("6","2","7","8","8","3","1") = "7"
    & skf18("6","2","7","8","8","4","1") = "7"
    & skf18("6","2","7","8","8","5","1") = "7"
    & skf18("6","2","7","8","8","6","1") = "7"
    & skf18("6","2","7","8","8","7","1") = "7"
    & skf18("6","2","7","8","8","8","1") = "7"
    & skf18("6","2","7","8","8","9","1") = "8"
    & skf18("6","2","7","8","8","10","1") = "9"
    & skf18("6","2","7","8","9","1","1") = "8"
    & skf18("6","2","7","8","9","2","1") = "8"
    & skf18("6","2","7","8","9","3","1") = "8"
    & skf18("6","2","7","8","9","4","1") = "8"
    & skf18("6","2","7","8","9","5","1") = "8"
    & skf18("6","2","7","8","9","6","1") = "8"
    & skf18("6","2","7","8","9","7","1") = "8"
    & skf18("6","2","7","8","9","8","1") = "8"
    & skf18("6","2","7","8","9","9","1") = "8"
    & skf18("6","2","7","8","9","10","1") = "9"
    & skf18("6","2","7","8","10","1","1") = "9"
    & skf18("6","2","7","8","10","2","1") = "9"
    & skf18("6","2","7","8","10","3","1") = "9"
    & skf18("6","2","7","8","10","4","1") = "9"
    & skf18("6","2","7","8","10","5","1") = "9"
    & skf18("6","2","7","8","10","6","1") = "9"
    & skf18("6","2","7","8","10","7","1") = "9"
    & skf18("6","2","7","8","10","8","1") = "9"
    & skf18("6","2","7","8","10","9","1") = "9"
    & skf18("6","2","7","8","10","10","1") = "9"
    & skf18("6","2","7","9","1","1","1") = "8"
    & skf18("6","2","7","9","1","2","1") = "8"
    & skf18("6","2","7","9","1","3","1") = "8"
    & skf18("6","2","7","9","1","4","1") = "8"
    & skf18("6","2","7","9","1","5","1") = "8"
    & skf18("6","2","7","9","1","6","1") = "8"
    & skf18("6","2","7","9","1","7","1") = "8"
    & skf18("6","2","7","9","1","8","1") = "8"
    & skf18("6","2","7","9","1","9","1") = "8"
    & skf18("6","2","7","9","1","10","1") = "9"
    & skf18("6","2","7","9","2","1","1") = "8"
    & skf18("6","2","7","9","2","2","1") = "8"
    & skf18("6","2","7","9","2","3","1") = "8"
    & skf18("6","2","7","9","2","4","1") = "8"
    & skf18("6","2","7","9","2","5","1") = "8"
    & skf18("6","2","7","9","2","6","1") = "8"
    & skf18("6","2","7","9","2","7","1") = "8"
    & skf18("6","2","7","9","2","8","1") = "8"
    & skf18("6","2","7","9","2","9","1") = "8"
    & skf18("6","2","7","9","2","10","1") = "9"
    & skf18("6","2","7","9","3","1","1") = "8"
    & skf18("6","2","7","9","3","2","1") = "8"
    & skf18("6","2","7","9","3","3","1") = "8"
    & skf18("6","2","7","9","3","4","1") = "8"
    & skf18("6","2","7","9","3","5","1") = "8"
    & skf18("6","2","7","9","3","6","1") = "8"
    & skf18("6","2","7","9","3","7","1") = "8"
    & skf18("6","2","7","9","3","8","1") = "8"
    & skf18("6","2","7","9","3","9","1") = "8"
    & skf18("6","2","7","9","3","10","1") = "9"
    & skf18("6","2","7","9","4","1","1") = "8"
    & skf18("6","2","7","9","4","2","1") = "8"
    & skf18("6","2","7","9","4","3","1") = "8"
    & skf18("6","2","7","9","4","4","1") = "8"
    & skf18("6","2","7","9","4","5","1") = "8"
    & skf18("6","2","7","9","4","6","1") = "8"
    & skf18("6","2","7","9","4","7","1") = "8"
    & skf18("6","2","7","9","4","8","1") = "8"
    & skf18("6","2","7","9","4","9","1") = "8"
    & skf18("6","2","7","9","4","10","1") = "9"
    & skf18("6","2","7","9","5","1","1") = "8"
    & skf18("6","2","7","9","5","2","1") = "8"
    & skf18("6","2","7","9","5","3","1") = "8"
    & skf18("6","2","7","9","5","4","1") = "8"
    & skf18("6","2","7","9","5","5","1") = "8"
    & skf18("6","2","7","9","5","6","1") = "8"
    & skf18("6","2","7","9","5","7","1") = "8"
    & skf18("6","2","7","9","5","8","1") = "8"
    & skf18("6","2","7","9","5","9","1") = "8"
    & skf18("6","2","7","9","5","10","1") = "9"
    & skf18("6","2","7","9","6","1","1") = "8"
    & skf18("6","2","7","9","6","2","1") = "8"
    & skf18("6","2","7","9","6","3","1") = "8"
    & skf18("6","2","7","9","6","4","1") = "8"
    & skf18("6","2","7","9","6","5","1") = "8"
    & skf18("6","2","7","9","6","6","1") = "8"
    & skf18("6","2","7","9","6","7","1") = "8"
    & skf18("6","2","7","9","6","8","1") = "8"
    & skf18("6","2","7","9","6","9","1") = "8"
    & skf18("6","2","7","9","6","10","1") = "9"
    & skf18("6","2","7","9","7","1","1") = "8"
    & skf18("6","2","7","9","7","2","1") = "8"
    & skf18("6","2","7","9","7","3","1") = "8"
    & skf18("6","2","7","9","7","4","1") = "8"
    & skf18("6","2","7","9","7","5","1") = "8"
    & skf18("6","2","7","9","7","6","1") = "8"
    & skf18("6","2","7","9","7","7","1") = "8"
    & skf18("6","2","7","9","7","8","1") = "8"
    & skf18("6","2","7","9","7","9","1") = "8"
    & skf18("6","2","7","9","7","10","1") = "9"
    & skf18("6","2","7","9","8","1","1") = "8"
    & skf18("6","2","7","9","8","2","1") = "8"
    & skf18("6","2","7","9","8","3","1") = "8"
    & skf18("6","2","7","9","8","4","1") = "8"
    & skf18("6","2","7","9","8","5","1") = "8"
    & skf18("6","2","7","9","8","6","1") = "8"
    & skf18("6","2","7","9","8","7","1") = "8"
    & skf18("6","2","7","9","8","8","1") = "8"
    & skf18("6","2","7","9","8","9","1") = "8"
    & skf18("6","2","7","9","8","10","1") = "9"
    & skf18("6","2","7","9","9","1","1") = "8"
    & skf18("6","2","7","9","9","2","1") = "8"
    & skf18("6","2","7","9","9","3","1") = "8"
    & skf18("6","2","7","9","9","4","1") = "8"
    & skf18("6","2","7","9","9","5","1") = "8"
    & skf18("6","2","7","9","9","6","1") = "8"
    & skf18("6","2","7","9","9","7","1") = "8"
    & skf18("6","2","7","9","9","8","1") = "8"
    & skf18("6","2","7","9","9","9","1") = "8"
    & skf18("6","2","7","9","9","10","1") = "9"
    & skf18("6","2","7","9","10","1","1") = "9"
    & skf18("6","2","7","9","10","2","1") = "9"
    & skf18("6","2","7","9","10","3","1") = "9"
    & skf18("6","2","7","9","10","4","1") = "9"
    & skf18("6","2","7","9","10","5","1") = "9"
    & skf18("6","2","7","9","10","6","1") = "9"
    & skf18("6","2","7","9","10","7","1") = "9"
    & skf18("6","2","7","9","10","8","1") = "9"
    & skf18("6","2","7","9","10","9","1") = "9"
    & skf18("6","2","7","9","10","10","1") = "9"
    & skf18("6","2","7","10","1","1","1") = "9"
    & skf18("6","2","7","10","1","2","1") = "9"
    & skf18("6","2","7","10","1","3","1") = "9"
    & skf18("6","2","7","10","1","4","1") = "9"
    & skf18("6","2","7","10","1","5","1") = "9"
    & skf18("6","2","7","10","1","6","1") = "9"
    & skf18("6","2","7","10","1","7","1") = "9"
    & skf18("6","2","7","10","1","8","1") = "9"
    & skf18("6","2","7","10","1","9","1") = "9"
    & skf18("6","2","7","10","1","10","1") = "9"
    & skf18("6","2","7","10","2","1","1") = "9"
    & skf18("6","2","7","10","2","2","1") = "9"
    & skf18("6","2","7","10","2","3","1") = "9"
    & skf18("6","2","7","10","2","4","1") = "9"
    & skf18("6","2","7","10","2","5","1") = "9"
    & skf18("6","2","7","10","2","6","1") = "9"
    & skf18("6","2","7","10","2","7","1") = "9"
    & skf18("6","2","7","10","2","8","1") = "9"
    & skf18("6","2","7","10","2","9","1") = "9"
    & skf18("6","2","7","10","2","10","1") = "9"
    & skf18("6","2","7","10","3","1","1") = "9"
    & skf18("6","2","7","10","3","2","1") = "9"
    & skf18("6","2","7","10","3","3","1") = "9"
    & skf18("6","2","7","10","3","4","1") = "9"
    & skf18("6","2","7","10","3","5","1") = "9"
    & skf18("6","2","7","10","3","6","1") = "9"
    & skf18("6","2","7","10","3","7","1") = "9"
    & skf18("6","2","7","10","3","8","1") = "9"
    & skf18("6","2","7","10","3","9","1") = "9"
    & skf18("6","2","7","10","3","10","1") = "9"
    & skf18("6","2","7","10","4","1","1") = "9"
    & skf18("6","2","7","10","4","2","1") = "9"
    & skf18("6","2","7","10","4","3","1") = "9"
    & skf18("6","2","7","10","4","4","1") = "9"
    & skf18("6","2","7","10","4","5","1") = "9"
    & skf18("6","2","7","10","4","6","1") = "9"
    & skf18("6","2","7","10","4","7","1") = "9"
    & skf18("6","2","7","10","4","8","1") = "9"
    & skf18("6","2","7","10","4","9","1") = "9"
    & skf18("6","2","7","10","4","10","1") = "9"
    & skf18("6","2","7","10","5","1","1") = "9"
    & skf18("6","2","7","10","5","2","1") = "9"
    & skf18("6","2","7","10","5","3","1") = "9"
    & skf18("6","2","7","10","5","4","1") = "9"
    & skf18("6","2","7","10","5","5","1") = "9"
    & skf18("6","2","7","10","5","6","1") = "9"
    & skf18("6","2","7","10","5","7","1") = "9"
    & skf18("6","2","7","10","5","8","1") = "9"
    & skf18("6","2","7","10","5","9","1") = "9"
    & skf18("6","2","7","10","5","10","1") = "9"
    & skf18("6","2","7","10","6","1","1") = "9"
    & skf18("6","2","7","10","6","2","1") = "9"
    & skf18("6","2","7","10","6","3","1") = "9"
    & skf18("6","2","7","10","6","4","1") = "9"
    & skf18("6","2","7","10","6","5","1") = "9"
    & skf18("6","2","7","10","6","6","1") = "9"
    & skf18("6","2","7","10","6","7","1") = "9"
    & skf18("6","2","7","10","6","8","1") = "9"
    & skf18("6","2","7","10","6","9","1") = "9"
    & skf18("6","2","7","10","6","10","1") = "9"
    & skf18("6","2","7","10","7","1","1") = "9"
    & skf18("6","2","7","10","7","2","1") = "9"
    & skf18("6","2","7","10","7","3","1") = "9"
    & skf18("6","2","7","10","7","4","1") = "9"
    & skf18("6","2","7","10","7","5","1") = "9"
    & skf18("6","2","7","10","7","6","1") = "9"
    & skf18("6","2","7","10","7","7","1") = "9"
    & skf18("6","2","7","10","7","8","1") = "9"
    & skf18("6","2","7","10","7","9","1") = "9"
    & skf18("6","2","7","10","7","10","1") = "9"
    & skf18("6","2","7","10","8","1","1") = "9"
    & skf18("6","2","7","10","8","2","1") = "9"
    & skf18("6","2","7","10","8","3","1") = "9"
    & skf18("6","2","7","10","8","4","1") = "9"
    & skf18("6","2","7","10","8","5","1") = "9"
    & skf18("6","2","7","10","8","6","1") = "9"
    & skf18("6","2","7","10","8","7","1") = "9"
    & skf18("6","2","7","10","8","8","1") = "9"
    & skf18("6","2","7","10","8","9","1") = "9"
    & skf18("6","2","7","10","8","10","1") = "9"
    & skf18("6","2","7","10","9","1","1") = "9"
    & skf18("6","2","7","10","9","2","1") = "9"
    & skf18("6","2","7","10","9","3","1") = "9"
    & skf18("6","2","7","10","9","4","1") = "9"
    & skf18("6","2","7","10","9","5","1") = "9"
    & skf18("6","2","7","10","9","6","1") = "9"
    & skf18("6","2","7","10","9","7","1") = "9"
    & skf18("6","2","7","10","9","8","1") = "9"
    & skf18("6","2","7","10","9","9","1") = "9"
    & skf18("6","2","7","10","9","10","1") = "9"
    & skf18("6","2","7","10","10","1","1") = "9"
    & skf18("6","2","7","10","10","2","1") = "9"
    & skf18("6","2","7","10","10","3","1") = "9"
    & skf18("6","2","7","10","10","4","1") = "9"
    & skf18("6","2","7","10","10","5","1") = "9"
    & skf18("6","2","7","10","10","6","1") = "9"
    & skf18("6","2","7","10","10","7","1") = "9"
    & skf18("6","2","7","10","10","8","1") = "9"
    & skf18("6","2","7","10","10","9","1") = "9"
    & skf18("6","2","7","10","10","10","1") = "9"
    & skf18("6","2","8","1","1","1","1") = "7"
    & skf18("6","2","8","1","1","2","1") = "7"
    & skf18("6","2","8","1","1","3","1") = "7"
    & skf18("6","2","8","1","1","4","1") = "7"
    & skf18("6","2","8","1","1","5","1") = "7"
    & skf18("6","2","8","1","1","6","1") = "7"
    & skf18("6","2","8","1","1","7","1") = "7"
    & skf18("6","2","8","1","1","8","1") = "7"
    & skf18("6","2","8","1","1","9","1") = "8"
    & skf18("6","2","8","1","1","10","1") = "9"
    & skf18("6","2","8","1","2","1","1") = "7"
    & skf18("6","2","8","1","2","2","1") = "7"
    & skf18("6","2","8","1","2","3","1") = "7"
    & skf18("6","2","8","1","2","4","1") = "7"
    & skf18("6","2","8","1","2","5","1") = "7"
    & skf18("6","2","8","1","2","6","1") = "7"
    & skf18("6","2","8","1","2","7","1") = "7"
    & skf18("6","2","8","1","2","8","1") = "7"
    & skf18("6","2","8","1","2","9","1") = "8"
    & skf18("6","2","8","1","2","10","1") = "9"
    & skf18("6","2","8","1","3","1","1") = "7"
    & skf18("6","2","8","1","3","2","1") = "7"
    & skf18("6","2","8","1","3","3","1") = "7"
    & skf18("6","2","8","1","3","4","1") = "7"
    & skf18("6","2","8","1","3","5","1") = "7"
    & skf18("6","2","8","1","3","6","1") = "7"
    & skf18("6","2","8","1","3","7","1") = "7"
    & skf18("6","2","8","1","3","8","1") = "7"
    & skf18("6","2","8","1","3","9","1") = "8"
    & skf18("6","2","8","1","3","10","1") = "9"
    & skf18("6","2","8","1","4","1","1") = "7"
    & skf18("6","2","8","1","4","2","1") = "7"
    & skf18("6","2","8","1","4","3","1") = "7"
    & skf18("6","2","8","1","4","4","1") = "7"
    & skf18("6","2","8","1","4","5","1") = "7"
    & skf18("6","2","8","1","4","6","1") = "7"
    & skf18("6","2","8","1","4","7","1") = "7"
    & skf18("6","2","8","1","4","8","1") = "7"
    & skf18("6","2","8","1","4","9","1") = "8"
    & skf18("6","2","8","1","4","10","1") = "9"
    & skf18("6","2","8","1","5","1","1") = "7"
    & skf18("6","2","8","1","5","2","1") = "7"
    & skf18("6","2","8","1","5","3","1") = "7"
    & skf18("6","2","8","1","5","4","1") = "7"
    & skf18("6","2","8","1","5","5","1") = "7"
    & skf18("6","2","8","1","5","6","1") = "7"
    & skf18("6","2","8","1","5","7","1") = "7"
    & skf18("6","2","8","1","5","8","1") = "7"
    & skf18("6","2","8","1","5","9","1") = "8"
    & skf18("6","2","8","1","5","10","1") = "9"
    & skf18("6","2","8","1","6","1","1") = "7"
    & skf18("6","2","8","1","6","2","1") = "7"
    & skf18("6","2","8","1","6","3","1") = "7"
    & skf18("6","2","8","1","6","4","1") = "7"
    & skf18("6","2","8","1","6","5","1") = "7"
    & skf18("6","2","8","1","6","6","1") = "7"
    & skf18("6","2","8","1","6","7","1") = "7"
    & skf18("6","2","8","1","6","8","1") = "7"
    & skf18("6","2","8","1","6","9","1") = "8"
    & skf18("6","2","8","1","6","10","1") = "9"
    & skf18("6","2","8","1","7","1","1") = "7"
    & skf18("6","2","8","1","7","2","1") = "7"
    & skf18("6","2","8","1","7","3","1") = "7"
    & skf18("6","2","8","1","7","4","1") = "7"
    & skf18("6","2","8","1","7","5","1") = "7"
    & skf18("6","2","8","1","7","6","1") = "7"
    & skf18("6","2","8","1","7","7","1") = "7"
    & skf18("6","2","8","1","7","8","1") = "7"
    & skf18("6","2","8","1","7","9","1") = "8"
    & skf18("6","2","8","1","7","10","1") = "9"
    & skf18("6","2","8","1","8","1","1") = "7"
    & skf18("6","2","8","1","8","2","1") = "7"
    & skf18("6","2","8","1","8","3","1") = "7"
    & skf18("6","2","8","1","8","4","1") = "7"
    & skf18("6","2","8","1","8","5","1") = "7"
    & skf18("6","2","8","1","8","6","1") = "7"
    & skf18("6","2","8","1","8","7","1") = "7"
    & skf18("6","2","8","1","8","8","1") = "7"
    & skf18("6","2","8","1","8","9","1") = "8"
    & skf18("6","2","8","1","8","10","1") = "9"
    & skf18("6","2","8","1","9","1","1") = "8"
    & skf18("6","2","8","1","9","2","1") = "8"
    & skf18("6","2","8","1","9","3","1") = "8"
    & skf18("6","2","8","1","9","4","1") = "8"
    & skf18("6","2","8","1","9","5","1") = "8"
    & skf18("6","2","8","1","9","6","1") = "8"
    & skf18("6","2","8","1","9","7","1") = "8"
    & skf18("6","2","8","1","9","8","1") = "8"
    & skf18("6","2","8","1","9","9","1") = "8"
    & skf18("6","2","8","1","9","10","1") = "9"
    & skf18("6","2","8","1","10","1","1") = "9"
    & skf18("6","2","8","1","10","2","1") = "9"
    & skf18("6","2","8","1","10","3","1") = "9"
    & skf18("6","2","8","1","10","4","1") = "9"
    & skf18("6","2","8","1","10","5","1") = "9"
    & skf18("6","2","8","1","10","6","1") = "9"
    & skf18("6","2","8","1","10","7","1") = "9"
    & skf18("6","2","8","1","10","8","1") = "9"
    & skf18("6","2","8","1","10","9","1") = "9"
    & skf18("6","2","8","1","10","10","1") = "9"
    & skf18("6","2","8","2","1","1","1") = "7"
    & skf18("6","2","8","2","1","2","1") = "7"
    & skf18("6","2","8","2","1","3","1") = "7"
    & skf18("6","2","8","2","1","4","1") = "7"
    & skf18("6","2","8","2","1","5","1") = "7"
    & skf18("6","2","8","2","1","6","1") = "7"
    & skf18("6","2","8","2","1","7","1") = "7"
    & skf18("6","2","8","2","1","8","1") = "7"
    & skf18("6","2","8","2","1","9","1") = "8"
    & skf18("6","2","8","2","1","10","1") = "9"
    & skf18("6","2","8","2","2","1","1") = "7"
    & skf18("6","2","8","2","2","2","1") = "7"
    & skf18("6","2","8","2","2","3","1") = "7"
    & skf18("6","2","8","2","2","4","1") = "7"
    & skf18("6","2","8","2","2","5","1") = "7"
    & skf18("6","2","8","2","2","6","1") = "7"
    & skf18("6","2","8","2","2","7","1") = "7"
    & skf18("6","2","8","2","2","8","1") = "7"
    & skf18("6","2","8","2","2","9","1") = "8"
    & skf18("6","2","8","2","2","10","1") = "9"
    & skf18("6","2","8","2","3","1","1") = "7"
    & skf18("6","2","8","2","3","2","1") = "7"
    & skf18("6","2","8","2","3","3","1") = "7"
    & skf18("6","2","8","2","3","4","1") = "7"
    & skf18("6","2","8","2","3","5","1") = "7"
    & skf18("6","2","8","2","3","6","1") = "7"
    & skf18("6","2","8","2","3","7","1") = "7"
    & skf18("6","2","8","2","3","8","1") = "7"
    & skf18("6","2","8","2","3","9","1") = "8"
    & skf18("6","2","8","2","3","10","1") = "9"
    & skf18("6","2","8","2","4","1","1") = "7"
    & skf18("6","2","8","2","4","2","1") = "7"
    & skf18("6","2","8","2","4","3","1") = "7"
    & skf18("6","2","8","2","4","4","1") = "7"
    & skf18("6","2","8","2","4","5","1") = "7"
    & skf18("6","2","8","2","4","6","1") = "7"
    & skf18("6","2","8","2","4","7","1") = "7"
    & skf18("6","2","8","2","4","8","1") = "7"
    & skf18("6","2","8","2","4","9","1") = "8"
    & skf18("6","2","8","2","4","10","1") = "9"
    & skf18("6","2","8","2","5","1","1") = "7"
    & skf18("6","2","8","2","5","2","1") = "7"
    & skf18("6","2","8","2","5","3","1") = "7"
    & skf18("6","2","8","2","5","4","1") = "7"
    & skf18("6","2","8","2","5","5","1") = "7"
    & skf18("6","2","8","2","5","6","1") = "7"
    & skf18("6","2","8","2","5","7","1") = "7"
    & skf18("6","2","8","2","5","8","1") = "7"
    & skf18("6","2","8","2","5","9","1") = "8"
    & skf18("6","2","8","2","5","10","1") = "9"
    & skf18("6","2","8","2","6","1","1") = "7"
    & skf18("6","2","8","2","6","2","1") = "7"
    & skf18("6","2","8","2","6","3","1") = "7"
    & skf18("6","2","8","2","6","4","1") = "7"
    & skf18("6","2","8","2","6","5","1") = "7"
    & skf18("6","2","8","2","6","6","1") = "7"
    & skf18("6","2","8","2","6","7","1") = "7"
    & skf18("6","2","8","2","6","8","1") = "7"
    & skf18("6","2","8","2","6","9","1") = "8"
    & skf18("6","2","8","2","6","10","1") = "9"
    & skf18("6","2","8","2","7","1","1") = "7"
    & skf18("6","2","8","2","7","2","1") = "7"
    & skf18("6","2","8","2","7","3","1") = "7"
    & skf18("6","2","8","2","7","4","1") = "7"
    & skf18("6","2","8","2","7","5","1") = "7"
    & skf18("6","2","8","2","7","6","1") = "7"
    & skf18("6","2","8","2","7","7","1") = "7"
    & skf18("6","2","8","2","7","8","1") = "7"
    & skf18("6","2","8","2","7","9","1") = "8"
    & skf18("6","2","8","2","7","10","1") = "9"
    & skf18("6","2","8","2","8","1","1") = "7"
    & skf18("6","2","8","2","8","2","1") = "7"
    & skf18("6","2","8","2","8","3","1") = "7"
    & skf18("6","2","8","2","8","4","1") = "7"
    & skf18("6","2","8","2","8","5","1") = "7"
    & skf18("6","2","8","2","8","6","1") = "7"
    & skf18("6","2","8","2","8","7","1") = "7"
    & skf18("6","2","8","2","8","8","1") = "7"
    & skf18("6","2","8","2","8","9","1") = "8"
    & skf18("6","2","8","2","8","10","1") = "9"
    & skf18("6","2","8","2","9","1","1") = "8"
    & skf18("6","2","8","2","9","2","1") = "8"
    & skf18("6","2","8","2","9","3","1") = "8"
    & skf18("6","2","8","2","9","4","1") = "8"
    & skf18("6","2","8","2","9","5","1") = "8"
    & skf18("6","2","8","2","9","6","1") = "8"
    & skf18("6","2","8","2","9","7","1") = "8"
    & skf18("6","2","8","2","9","8","1") = "8"
    & skf18("6","2","8","2","9","9","1") = "8"
    & skf18("6","2","8","2","9","10","1") = "9"
    & skf18("6","2","8","2","10","1","1") = "9"
    & skf18("6","2","8","2","10","2","1") = "9"
    & skf18("6","2","8","2","10","3","1") = "9"
    & skf18("6","2","8","2","10","4","1") = "9"
    & skf18("6","2","8","2","10","5","1") = "9"
    & skf18("6","2","8","2","10","6","1") = "9"
    & skf18("6","2","8","2","10","7","1") = "9"
    & skf18("6","2","8","2","10","8","1") = "9"
    & skf18("6","2","8","2","10","9","1") = "9"
    & skf18("6","2","8","2","10","10","1") = "9"
    & skf18("6","2","8","3","1","1","1") = "7"
    & skf18("6","2","8","3","1","2","1") = "7"
    & skf18("6","2","8","3","1","3","1") = "7"
    & skf18("6","2","8","3","1","4","1") = "7"
    & skf18("6","2","8","3","1","5","1") = "7"
    & skf18("6","2","8","3","1","6","1") = "7"
    & skf18("6","2","8","3","1","7","1") = "7"
    & skf18("6","2","8","3","1","8","1") = "7"
    & skf18("6","2","8","3","1","9","1") = "8"
    & skf18("6","2","8","3","1","10","1") = "9"
    & skf18("6","2","8","3","2","1","1") = "7"
    & skf18("6","2","8","3","2","2","1") = "7"
    & skf18("6","2","8","3","2","3","1") = "7"
    & skf18("6","2","8","3","2","4","1") = "7"
    & skf18("6","2","8","3","2","5","1") = "7"
    & skf18("6","2","8","3","2","6","1") = "7"
    & skf18("6","2","8","3","2","7","1") = "7"
    & skf18("6","2","8","3","2","8","1") = "7"
    & skf18("6","2","8","3","2","9","1") = "8"
    & skf18("6","2","8","3","2","10","1") = "9"
    & skf18("6","2","8","3","3","1","1") = "7"
    & skf18("6","2","8","3","3","2","1") = "7"
    & skf18("6","2","8","3","3","3","1") = "7"
    & skf18("6","2","8","3","3","4","1") = "7"
    & skf18("6","2","8","3","3","5","1") = "7"
    & skf18("6","2","8","3","3","6","1") = "7"
    & skf18("6","2","8","3","3","7","1") = "7"
    & skf18("6","2","8","3","3","8","1") = "7"
    & skf18("6","2","8","3","3","9","1") = "8"
    & skf18("6","2","8","3","3","10","1") = "9"
    & skf18("6","2","8","3","4","1","1") = "7"
    & skf18("6","2","8","3","4","2","1") = "7"
    & skf18("6","2","8","3","4","3","1") = "7"
    & skf18("6","2","8","3","4","4","1") = "7"
    & skf18("6","2","8","3","4","5","1") = "7"
    & skf18("6","2","8","3","4","6","1") = "7"
    & skf18("6","2","8","3","4","7","1") = "7"
    & skf18("6","2","8","3","4","8","1") = "7"
    & skf18("6","2","8","3","4","9","1") = "8"
    & skf18("6","2","8","3","4","10","1") = "9"
    & skf18("6","2","8","3","5","1","1") = "7"
    & skf18("6","2","8","3","5","2","1") = "7"
    & skf18("6","2","8","3","5","3","1") = "7"
    & skf18("6","2","8","3","5","4","1") = "7"
    & skf18("6","2","8","3","5","5","1") = "7"
    & skf18("6","2","8","3","5","6","1") = "7"
    & skf18("6","2","8","3","5","7","1") = "7"
    & skf18("6","2","8","3","5","8","1") = "7"
    & skf18("6","2","8","3","5","9","1") = "8"
    & skf18("6","2","8","3","5","10","1") = "9"
    & skf18("6","2","8","3","6","1","1") = "7"
    & skf18("6","2","8","3","6","2","1") = "7"
    & skf18("6","2","8","3","6","3","1") = "7"
    & skf18("6","2","8","3","6","4","1") = "7"
    & skf18("6","2","8","3","6","5","1") = "7"
    & skf18("6","2","8","3","6","6","1") = "7"
    & skf18("6","2","8","3","6","7","1") = "7"
    & skf18("6","2","8","3","6","8","1") = "7"
    & skf18("6","2","8","3","6","9","1") = "8"
    & skf18("6","2","8","3","6","10","1") = "9"
    & skf18("6","2","8","3","7","1","1") = "7"
    & skf18("6","2","8","3","7","2","1") = "7"
    & skf18("6","2","8","3","7","3","1") = "7"
    & skf18("6","2","8","3","7","4","1") = "7"
    & skf18("6","2","8","3","7","5","1") = "7"
    & skf18("6","2","8","3","7","6","1") = "7"
    & skf18("6","2","8","3","7","7","1") = "7"
    & skf18("6","2","8","3","7","8","1") = "7"
    & skf18("6","2","8","3","7","9","1") = "8"
    & skf18("6","2","8","3","7","10","1") = "9"
    & skf18("6","2","8","3","8","1","1") = "7"
    & skf18("6","2","8","3","8","2","1") = "7"
    & skf18("6","2","8","3","8","3","1") = "7"
    & skf18("6","2","8","3","8","4","1") = "7"
    & skf18("6","2","8","3","8","5","1") = "7"
    & skf18("6","2","8","3","8","6","1") = "7"
    & skf18("6","2","8","3","8","7","1") = "7"
    & skf18("6","2","8","3","8","8","1") = "7"
    & skf18("6","2","8","3","8","9","1") = "8"
    & skf18("6","2","8","3","8","10","1") = "9"
    & skf18("6","2","8","3","9","1","1") = "8"
    & skf18("6","2","8","3","9","2","1") = "8"
    & skf18("6","2","8","3","9","3","1") = "8"
    & skf18("6","2","8","3","9","4","1") = "8"
    & skf18("6","2","8","3","9","5","1") = "8"
    & skf18("6","2","8","3","9","6","1") = "8"
    & skf18("6","2","8","3","9","7","1") = "8"
    & skf18("6","2","8","3","9","8","1") = "8"
    & skf18("6","2","8","3","9","9","1") = "8"
    & skf18("6","2","8","3","9","10","1") = "9"
    & skf18("6","2","8","3","10","1","1") = "9"
    & skf18("6","2","8","3","10","2","1") = "9"
    & skf18("6","2","8","3","10","3","1") = "9"
    & skf18("6","2","8","3","10","4","1") = "9"
    & skf18("6","2","8","3","10","5","1") = "9"
    & skf18("6","2","8","3","10","6","1") = "9"
    & skf18("6","2","8","3","10","7","1") = "9"
    & skf18("6","2","8","3","10","8","1") = "9"
    & skf18("6","2","8","3","10","9","1") = "9"
    & skf18("6","2","8","3","10","10","1") = "9"
    & skf18("6","2","8","4","1","1","1") = "7"
    & skf18("6","2","8","4","1","2","1") = "7"
    & skf18("6","2","8","4","1","3","1") = "7"
    & skf18("6","2","8","4","1","4","1") = "7"
    & skf18("6","2","8","4","1","5","1") = "7"
    & skf18("6","2","8","4","1","6","1") = "7"
    & skf18("6","2","8","4","1","7","1") = "7"
    & skf18("6","2","8","4","1","8","1") = "7"
    & skf18("6","2","8","4","1","9","1") = "8"
    & skf18("6","2","8","4","1","10","1") = "9"
    & skf18("6","2","8","4","2","1","1") = "7"
    & skf18("6","2","8","4","2","2","1") = "7"
    & skf18("6","2","8","4","2","3","1") = "7"
    & skf18("6","2","8","4","2","4","1") = "7"
    & skf18("6","2","8","4","2","5","1") = "7"
    & skf18("6","2","8","4","2","6","1") = "7"
    & skf18("6","2","8","4","2","7","1") = "7"
    & skf18("6","2","8","4","2","8","1") = "7"
    & skf18("6","2","8","4","2","9","1") = "8"
    & skf18("6","2","8","4","2","10","1") = "9"
    & skf18("6","2","8","4","3","1","1") = "7"
    & skf18("6","2","8","4","3","2","1") = "7"
    & skf18("6","2","8","4","3","3","1") = "7"
    & skf18("6","2","8","4","3","4","1") = "7"
    & skf18("6","2","8","4","3","5","1") = "7"
    & skf18("6","2","8","4","3","6","1") = "7"
    & skf18("6","2","8","4","3","7","1") = "7"
    & skf18("6","2","8","4","3","8","1") = "7"
    & skf18("6","2","8","4","3","9","1") = "8"
    & skf18("6","2","8","4","3","10","1") = "9"
    & skf18("6","2","8","4","4","1","1") = "7"
    & skf18("6","2","8","4","4","2","1") = "7"
    & skf18("6","2","8","4","4","3","1") = "7"
    & skf18("6","2","8","4","4","4","1") = "7"
    & skf18("6","2","8","4","4","5","1") = "7"
    & skf18("6","2","8","4","4","6","1") = "7"
    & skf18("6","2","8","4","4","7","1") = "7"
    & skf18("6","2","8","4","4","8","1") = "7"
    & skf18("6","2","8","4","4","9","1") = "8"
    & skf18("6","2","8","4","4","10","1") = "9"
    & skf18("6","2","8","4","5","1","1") = "7"
    & skf18("6","2","8","4","5","2","1") = "7"
    & skf18("6","2","8","4","5","3","1") = "7"
    & skf18("6","2","8","4","5","4","1") = "7"
    & skf18("6","2","8","4","5","5","1") = "7"
    & skf18("6","2","8","4","5","6","1") = "7"
    & skf18("6","2","8","4","5","7","1") = "7"
    & skf18("6","2","8","4","5","8","1") = "7"
    & skf18("6","2","8","4","5","9","1") = "8"
    & skf18("6","2","8","4","5","10","1") = "9"
    & skf18("6","2","8","4","6","1","1") = "7"
    & skf18("6","2","8","4","6","2","1") = "7"
    & skf18("6","2","8","4","6","3","1") = "7"
    & skf18("6","2","8","4","6","4","1") = "7"
    & skf18("6","2","8","4","6","5","1") = "7"
    & skf18("6","2","8","4","6","6","1") = "7"
    & skf18("6","2","8","4","6","7","1") = "7"
    & skf18("6","2","8","4","6","8","1") = "7"
    & skf18("6","2","8","4","6","9","1") = "8"
    & skf18("6","2","8","4","6","10","1") = "9"
    & skf18("6","2","8","4","7","1","1") = "7"
    & skf18("6","2","8","4","7","2","1") = "7"
    & skf18("6","2","8","4","7","3","1") = "7"
    & skf18("6","2","8","4","7","4","1") = "7"
    & skf18("6","2","8","4","7","5","1") = "7"
    & skf18("6","2","8","4","7","6","1") = "7"
    & skf18("6","2","8","4","7","7","1") = "7"
    & skf18("6","2","8","4","7","8","1") = "7"
    & skf18("6","2","8","4","7","9","1") = "8"
    & skf18("6","2","8","4","7","10","1") = "9"
    & skf18("6","2","8","4","8","1","1") = "7"
    & skf18("6","2","8","4","8","2","1") = "7"
    & skf18("6","2","8","4","8","3","1") = "7"
    & skf18("6","2","8","4","8","4","1") = "7"
    & skf18("6","2","8","4","8","5","1") = "7"
    & skf18("6","2","8","4","8","6","1") = "7"
    & skf18("6","2","8","4","8","7","1") = "7"
    & skf18("6","2","8","4","8","8","1") = "7"
    & skf18("6","2","8","4","8","9","1") = "8"
    & skf18("6","2","8","4","8","10","1") = "9"
    & skf18("6","2","8","4","9","1","1") = "8"
    & skf18("6","2","8","4","9","2","1") = "8"
    & skf18("6","2","8","4","9","3","1") = "8"
    & skf18("6","2","8","4","9","4","1") = "8"
    & skf18("6","2","8","4","9","5","1") = "8"
    & skf18("6","2","8","4","9","6","1") = "8"
    & skf18("6","2","8","4","9","7","1") = "8"
    & skf18("6","2","8","4","9","8","1") = "8"
    & skf18("6","2","8","4","9","9","1") = "8"
    & skf18("6","2","8","4","9","10","1") = "9"
    & skf18("6","2","8","4","10","1","1") = "9"
    & skf18("6","2","8","4","10","2","1") = "9"
    & skf18("6","2","8","4","10","3","1") = "9"
    & skf18("6","2","8","4","10","4","1") = "9"
    & skf18("6","2","8","4","10","5","1") = "9"
    & skf18("6","2","8","4","10","6","1") = "9"
    & skf18("6","2","8","4","10","7","1") = "9"
    & skf18("6","2","8","4","10","8","1") = "9"
    & skf18("6","2","8","4","10","9","1") = "9"
    & skf18("6","2","8","4","10","10","1") = "9"
    & skf18("6","2","8","5","1","1","1") = "7"
    & skf18("6","2","8","5","1","2","1") = "7"
    & skf18("6","2","8","5","1","3","1") = "7"
    & skf18("6","2","8","5","1","4","1") = "7"
    & skf18("6","2","8","5","1","5","1") = "7"
    & skf18("6","2","8","5","1","6","1") = "7"
    & skf18("6","2","8","5","1","7","1") = "7"
    & skf18("6","2","8","5","1","8","1") = "7"
    & skf18("6","2","8","5","1","9","1") = "8"
    & skf18("6","2","8","5","1","10","1") = "9"
    & skf18("6","2","8","5","2","1","1") = "7"
    & skf18("6","2","8","5","2","2","1") = "7"
    & skf18("6","2","8","5","2","3","1") = "7"
    & skf18("6","2","8","5","2","4","1") = "7"
    & skf18("6","2","8","5","2","5","1") = "7"
    & skf18("6","2","8","5","2","6","1") = "7"
    & skf18("6","2","8","5","2","7","1") = "7"
    & skf18("6","2","8","5","2","8","1") = "7"
    & skf18("6","2","8","5","2","9","1") = "8"
    & skf18("6","2","8","5","2","10","1") = "9"
    & skf18("6","2","8","5","3","1","1") = "7"
    & skf18("6","2","8","5","3","2","1") = "7"
    & skf18("6","2","8","5","3","3","1") = "7"
    & skf18("6","2","8","5","3","4","1") = "7"
    & skf18("6","2","8","5","3","5","1") = "7"
    & skf18("6","2","8","5","3","6","1") = "7"
    & skf18("6","2","8","5","3","7","1") = "7"
    & skf18("6","2","8","5","3","8","1") = "7"
    & skf18("6","2","8","5","3","9","1") = "8"
    & skf18("6","2","8","5","3","10","1") = "9"
    & skf18("6","2","8","5","4","1","1") = "7"
    & skf18("6","2","8","5","4","2","1") = "7"
    & skf18("6","2","8","5","4","3","1") = "7"
    & skf18("6","2","8","5","4","4","1") = "7"
    & skf18("6","2","8","5","4","5","1") = "7"
    & skf18("6","2","8","5","4","6","1") = "7"
    & skf18("6","2","8","5","4","7","1") = "7"
    & skf18("6","2","8","5","4","8","1") = "7"
    & skf18("6","2","8","5","4","9","1") = "8"
    & skf18("6","2","8","5","4","10","1") = "9"
    & skf18("6","2","8","5","5","1","1") = "7"
    & skf18("6","2","8","5","5","2","1") = "7"
    & skf18("6","2","8","5","5","3","1") = "7"
    & skf18("6","2","8","5","5","4","1") = "7"
    & skf18("6","2","8","5","5","5","1") = "7"
    & skf18("6","2","8","5","5","6","1") = "7"
    & skf18("6","2","8","5","5","7","1") = "7"
    & skf18("6","2","8","5","5","8","1") = "7"
    & skf18("6","2","8","5","5","9","1") = "8"
    & skf18("6","2","8","5","5","10","1") = "9"
    & skf18("6","2","8","5","6","1","1") = "7"
    & skf18("6","2","8","5","6","2","1") = "7"
    & skf18("6","2","8","5","6","3","1") = "7"
    & skf18("6","2","8","5","6","4","1") = "7"
    & skf18("6","2","8","5","6","5","1") = "7"
    & skf18("6","2","8","5","6","6","1") = "7"
    & skf18("6","2","8","5","6","7","1") = "7"
    & skf18("6","2","8","5","6","8","1") = "7"
    & skf18("6","2","8","5","6","9","1") = "8"
    & skf18("6","2","8","5","6","10","1") = "9"
    & skf18("6","2","8","5","7","1","1") = "7"
    & skf18("6","2","8","5","7","2","1") = "7"
    & skf18("6","2","8","5","7","3","1") = "7"
    & skf18("6","2","8","5","7","4","1") = "7"
    & skf18("6","2","8","5","7","5","1") = "7"
    & skf18("6","2","8","5","7","6","1") = "7"
    & skf18("6","2","8","5","7","7","1") = "7"
    & skf18("6","2","8","5","7","8","1") = "7"
    & skf18("6","2","8","5","7","9","1") = "8"
    & skf18("6","2","8","5","7","10","1") = "9"
    & skf18("6","2","8","5","8","1","1") = "7"
    & skf18("6","2","8","5","8","2","1") = "7"
    & skf18("6","2","8","5","8","3","1") = "7"
    & skf18("6","2","8","5","8","4","1") = "7"
    & skf18("6","2","8","5","8","5","1") = "7"
    & skf18("6","2","8","5","8","6","1") = "7"
    & skf18("6","2","8","5","8","7","1") = "7"
    & skf18("6","2","8","5","8","8","1") = "7"
    & skf18("6","2","8","5","8","9","1") = "8"
    & skf18("6","2","8","5","8","10","1") = "9"
    & skf18("6","2","8","5","9","1","1") = "8"
    & skf18("6","2","8","5","9","2","1") = "8"
    & skf18("6","2","8","5","9","3","1") = "8"
    & skf18("6","2","8","5","9","4","1") = "8"
    & skf18("6","2","8","5","9","5","1") = "8"
    & skf18("6","2","8","5","9","6","1") = "8"
    & skf18("6","2","8","5","9","7","1") = "8"
    & skf18("6","2","8","5","9","8","1") = "8"
    & skf18("6","2","8","5","9","9","1") = "8"
    & skf18("6","2","8","5","9","10","1") = "9"
    & skf18("6","2","8","5","10","1","1") = "9"
    & skf18("6","2","8","5","10","2","1") = "9"
    & skf18("6","2","8","5","10","3","1") = "9"
    & skf18("6","2","8","5","10","4","1") = "9"
    & skf18("6","2","8","5","10","5","1") = "9"
    & skf18("6","2","8","5","10","6","1") = "9"
    & skf18("6","2","8","5","10","7","1") = "9"
    & skf18("6","2","8","5","10","8","1") = "9"
    & skf18("6","2","8","5","10","9","1") = "9"
    & skf18("6","2","8","5","10","10","1") = "9"
    & skf18("6","2","8","6","1","1","1") = "7"
    & skf18("6","2","8","6","1","2","1") = "7"
    & skf18("6","2","8","6","1","3","1") = "7"
    & skf18("6","2","8","6","1","4","1") = "7"
    & skf18("6","2","8","6","1","5","1") = "7"
    & skf18("6","2","8","6","1","6","1") = "7"
    & skf18("6","2","8","6","1","7","1") = "7"
    & skf18("6","2","8","6","1","8","1") = "7"
    & skf18("6","2","8","6","1","9","1") = "8"
    & skf18("6","2","8","6","1","10","1") = "9"
    & skf18("6","2","8","6","2","1","1") = "7"
    & skf18("6","2","8","6","2","2","1") = "7"
    & skf18("6","2","8","6","2","3","1") = "7"
    & skf18("6","2","8","6","2","4","1") = "7"
    & skf18("6","2","8","6","2","5","1") = "7"
    & skf18("6","2","8","6","2","6","1") = "7"
    & skf18("6","2","8","6","2","7","1") = "7"
    & skf18("6","2","8","6","2","8","1") = "7"
    & skf18("6","2","8","6","2","9","1") = "8"
    & skf18("6","2","8","6","2","10","1") = "9"
    & skf18("6","2","8","6","3","1","1") = "7"
    & skf18("6","2","8","6","3","2","1") = "7"
    & skf18("6","2","8","6","3","3","1") = "7"
    & skf18("6","2","8","6","3","4","1") = "7"
    & skf18("6","2","8","6","3","5","1") = "7"
    & skf18("6","2","8","6","3","6","1") = "7"
    & skf18("6","2","8","6","3","7","1") = "7"
    & skf18("6","2","8","6","3","8","1") = "7"
    & skf18("6","2","8","6","3","9","1") = "8"
    & skf18("6","2","8","6","3","10","1") = "9"
    & skf18("6","2","8","6","4","1","1") = "7"
    & skf18("6","2","8","6","4","2","1") = "7"
    & skf18("6","2","8","6","4","3","1") = "7"
    & skf18("6","2","8","6","4","4","1") = "7"
    & skf18("6","2","8","6","4","5","1") = "7"
    & skf18("6","2","8","6","4","6","1") = "7"
    & skf18("6","2","8","6","4","7","1") = "7"
    & skf18("6","2","8","6","4","8","1") = "7"
    & skf18("6","2","8","6","4","9","1") = "8"
    & skf18("6","2","8","6","4","10","1") = "9"
    & skf18("6","2","8","6","5","1","1") = "7"
    & skf18("6","2","8","6","5","2","1") = "7"
    & skf18("6","2","8","6","5","3","1") = "7"
    & skf18("6","2","8","6","5","4","1") = "7"
    & skf18("6","2","8","6","5","5","1") = "7"
    & skf18("6","2","8","6","5","6","1") = "7"
    & skf18("6","2","8","6","5","7","1") = "7"
    & skf18("6","2","8","6","5","8","1") = "7"
    & skf18("6","2","8","6","5","9","1") = "8"
    & skf18("6","2","8","6","5","10","1") = "9"
    & skf18("6","2","8","6","6","1","1") = "7"
    & skf18("6","2","8","6","6","2","1") = "7"
    & skf18("6","2","8","6","6","3","1") = "7"
    & skf18("6","2","8","6","6","4","1") = "7"
    & skf18("6","2","8","6","6","5","1") = "7"
    & skf18("6","2","8","6","6","6","1") = "7"
    & skf18("6","2","8","6","6","7","1") = "7"
    & skf18("6","2","8","6","6","8","1") = "7"
    & skf18("6","2","8","6","6","9","1") = "8"
    & skf18("6","2","8","6","6","10","1") = "9"
    & skf18("6","2","8","6","7","1","1") = "7"
    & skf18("6","2","8","6","7","2","1") = "7"
    & skf18("6","2","8","6","7","3","1") = "7"
    & skf18("6","2","8","6","7","4","1") = "7"
    & skf18("6","2","8","6","7","5","1") = "7"
    & skf18("6","2","8","6","7","6","1") = "7"
    & skf18("6","2","8","6","7","7","1") = "7"
    & skf18("6","2","8","6","7","8","1") = "7"
    & skf18("6","2","8","6","7","9","1") = "8"
    & skf18("6","2","8","6","7","10","1") = "9"
    & skf18("6","2","8","6","8","1","1") = "7"
    & skf18("6","2","8","6","8","2","1") = "7"
    & skf18("6","2","8","6","8","3","1") = "7"
    & skf18("6","2","8","6","8","4","1") = "7"
    & skf18("6","2","8","6","8","5","1") = "7"
    & skf18("6","2","8","6","8","6","1") = "7"
    & skf18("6","2","8","6","8","7","1") = "7"
    & skf18("6","2","8","6","8","8","1") = "7"
    & skf18("6","2","8","6","8","9","1") = "8"
    & skf18("6","2","8","6","8","10","1") = "9"
    & skf18("6","2","8","6","9","1","1") = "8"
    & skf18("6","2","8","6","9","2","1") = "8"
    & skf18("6","2","8","6","9","3","1") = "8"
    & skf18("6","2","8","6","9","4","1") = "8"
    & skf18("6","2","8","6","9","5","1") = "8"
    & skf18("6","2","8","6","9","6","1") = "8"
    & skf18("6","2","8","6","9","7","1") = "8"
    & skf18("6","2","8","6","9","8","1") = "8"
    & skf18("6","2","8","6","9","9","1") = "8"
    & skf18("6","2","8","6","9","10","1") = "9"
    & skf18("6","2","8","6","10","1","1") = "9"
    & skf18("6","2","8","6","10","2","1") = "9"
    & skf18("6","2","8","6","10","3","1") = "9"
    & skf18("6","2","8","6","10","4","1") = "9"
    & skf18("6","2","8","6","10","5","1") = "9"
    & skf18("6","2","8","6","10","6","1") = "9"
    & skf18("6","2","8","6","10","7","1") = "9"
    & skf18("6","2","8","6","10","8","1") = "9"
    & skf18("6","2","8","6","10","9","1") = "9"
    & skf18("6","2","8","6","10","10","1") = "9"
    & skf18("6","2","8","7","1","1","1") = "7"
    & skf18("6","2","8","7","1","2","1") = "7"
    & skf18("6","2","8","7","1","3","1") = "7"
    & skf18("6","2","8","7","1","4","1") = "7"
    & skf18("6","2","8","7","1","5","1") = "7"
    & skf18("6","2","8","7","1","6","1") = "7"
    & skf18("6","2","8","7","1","7","1") = "7"
    & skf18("6","2","8","7","1","8","1") = "7"
    & skf18("6","2","8","7","1","9","1") = "8"
    & skf18("6","2","8","7","1","10","1") = "9"
    & skf18("6","2","8","7","2","1","1") = "7"
    & skf18("6","2","8","7","2","2","1") = "7"
    & skf18("6","2","8","7","2","3","1") = "7"
    & skf18("6","2","8","7","2","4","1") = "7"
    & skf18("6","2","8","7","2","5","1") = "7"
    & skf18("6","2","8","7","2","6","1") = "7"
    & skf18("6","2","8","7","2","7","1") = "7"
    & skf18("6","2","8","7","2","8","1") = "7"
    & skf18("6","2","8","7","2","9","1") = "8"
    & skf18("6","2","8","7","2","10","1") = "9"
    & skf18("6","2","8","7","3","1","1") = "7"
    & skf18("6","2","8","7","3","2","1") = "7"
    & skf18("6","2","8","7","3","3","1") = "7"
    & skf18("6","2","8","7","3","4","1") = "7"
    & skf18("6","2","8","7","3","5","1") = "7"
    & skf18("6","2","8","7","3","6","1") = "7"
    & skf18("6","2","8","7","3","7","1") = "7"
    & skf18("6","2","8","7","3","8","1") = "7"
    & skf18("6","2","8","7","3","9","1") = "8"
    & skf18("6","2","8","7","3","10","1") = "9"
    & skf18("6","2","8","7","4","1","1") = "7"
    & skf18("6","2","8","7","4","2","1") = "7"
    & skf18("6","2","8","7","4","3","1") = "7"
    & skf18("6","2","8","7","4","4","1") = "7"
    & skf18("6","2","8","7","4","5","1") = "7"
    & skf18("6","2","8","7","4","6","1") = "7"
    & skf18("6","2","8","7","4","7","1") = "7"
    & skf18("6","2","8","7","4","8","1") = "7"
    & skf18("6","2","8","7","4","9","1") = "8"
    & skf18("6","2","8","7","4","10","1") = "9"
    & skf18("6","2","8","7","5","1","1") = "7"
    & skf18("6","2","8","7","5","2","1") = "7"
    & skf18("6","2","8","7","5","3","1") = "7"
    & skf18("6","2","8","7","5","4","1") = "7"
    & skf18("6","2","8","7","5","5","1") = "7"
    & skf18("6","2","8","7","5","6","1") = "7"
    & skf18("6","2","8","7","5","7","1") = "7"
    & skf18("6","2","8","7","5","8","1") = "7"
    & skf18("6","2","8","7","5","9","1") = "8"
    & skf18("6","2","8","7","5","10","1") = "9"
    & skf18("6","2","8","7","6","1","1") = "7"
    & skf18("6","2","8","7","6","2","1") = "7"
    & skf18("6","2","8","7","6","3","1") = "7"
    & skf18("6","2","8","7","6","4","1") = "7"
    & skf18("6","2","8","7","6","5","1") = "7"
    & skf18("6","2","8","7","6","6","1") = "7"
    & skf18("6","2","8","7","6","7","1") = "7"
    & skf18("6","2","8","7","6","8","1") = "7"
    & skf18("6","2","8","7","6","9","1") = "8"
    & skf18("6","2","8","7","6","10","1") = "9"
    & skf18("6","2","8","7","7","1","1") = "7"
    & skf18("6","2","8","7","7","2","1") = "7"
    & skf18("6","2","8","7","7","3","1") = "7"
    & skf18("6","2","8","7","7","4","1") = "7"
    & skf18("6","2","8","7","7","5","1") = "7"
    & skf18("6","2","8","7","7","6","1") = "7"
    & skf18("6","2","8","7","7","7","1") = "7"
    & skf18("6","2","8","7","7","8","1") = "7"
    & skf18("6","2","8","7","7","9","1") = "8"
    & skf18("6","2","8","7","7","10","1") = "9"
    & skf18("6","2","8","7","8","1","1") = "7"
    & skf18("6","2","8","7","8","2","1") = "7"
    & skf18("6","2","8","7","8","3","1") = "7"
    & skf18("6","2","8","7","8","4","1") = "7"
    & skf18("6","2","8","7","8","5","1") = "7"
    & skf18("6","2","8","7","8","6","1") = "7"
    & skf18("6","2","8","7","8","7","1") = "7"
    & skf18("6","2","8","7","8","8","1") = "7"
    & skf18("6","2","8","7","8","9","1") = "8"
    & skf18("6","2","8","7","8","10","1") = "9"
    & skf18("6","2","8","7","9","1","1") = "8"
    & skf18("6","2","8","7","9","2","1") = "8"
    & skf18("6","2","8","7","9","3","1") = "8"
    & skf18("6","2","8","7","9","4","1") = "8"
    & skf18("6","2","8","7","9","5","1") = "8"
    & skf18("6","2","8","7","9","6","1") = "8"
    & skf18("6","2","8","7","9","7","1") = "8"
    & skf18("6","2","8","7","9","8","1") = "8"
    & skf18("6","2","8","7","9","9","1") = "8"
    & skf18("6","2","8","7","9","10","1") = "9"
    & skf18("6","2","8","7","10","1","1") = "9"
    & skf18("6","2","8","7","10","2","1") = "9"
    & skf18("6","2","8","7","10","3","1") = "9"
    & skf18("6","2","8","7","10","4","1") = "9"
    & skf18("6","2","8","7","10","5","1") = "9"
    & skf18("6","2","8","7","10","6","1") = "9"
    & skf18("6","2","8","7","10","7","1") = "9"
    & skf18("6","2","8","7","10","8","1") = "9"
    & skf18("6","2","8","7","10","9","1") = "9"
    & skf18("6","2","8","7","10","10","1") = "9"
    & skf18("6","2","8","8","1","1","1") = "7"
    & skf18("6","2","8","8","1","2","1") = "7"
    & skf18("6","2","8","8","1","3","1") = "7"
    & skf18("6","2","8","8","1","4","1") = "7"
    & skf18("6","2","8","8","1","5","1") = "7"
    & skf18("6","2","8","8","1","6","1") = "7"
    & skf18("6","2","8","8","1","7","1") = "7"
    & skf18("6","2","8","8","1","8","1") = "7"
    & skf18("6","2","8","8","1","9","1") = "8"
    & skf18("6","2","8","8","1","10","1") = "9"
    & skf18("6","2","8","8","2","1","1") = "7"
    & skf18("6","2","8","8","2","2","1") = "7"
    & skf18("6","2","8","8","2","3","1") = "7"
    & skf18("6","2","8","8","2","4","1") = "7"
    & skf18("6","2","8","8","2","5","1") = "7"
    & skf18("6","2","8","8","2","6","1") = "7"
    & skf18("6","2","8","8","2","7","1") = "7"
    & skf18("6","2","8","8","2","8","1") = "7"
    & skf18("6","2","8","8","2","9","1") = "8"
    & skf18("6","2","8","8","2","10","1") = "9"
    & skf18("6","2","8","8","3","1","1") = "7"
    & skf18("6","2","8","8","3","2","1") = "7"
    & skf18("6","2","8","8","3","3","1") = "7"
    & skf18("6","2","8","8","3","4","1") = "7"
    & skf18("6","2","8","8","3","5","1") = "7"
    & skf18("6","2","8","8","3","6","1") = "7"
    & skf18("6","2","8","8","3","7","1") = "7"
    & skf18("6","2","8","8","3","8","1") = "7"
    & skf18("6","2","8","8","3","9","1") = "8"
    & skf18("6","2","8","8","3","10","1") = "9"
    & skf18("6","2","8","8","4","1","1") = "7"
    & skf18("6","2","8","8","4","2","1") = "7"
    & skf18("6","2","8","8","4","3","1") = "7"
    & skf18("6","2","8","8","4","4","1") = "7"
    & skf18("6","2","8","8","4","5","1") = "7"
    & skf18("6","2","8","8","4","6","1") = "7"
    & skf18("6","2","8","8","4","7","1") = "7"
    & skf18("6","2","8","8","4","8","1") = "7"
    & skf18("6","2","8","8","4","9","1") = "8"
    & skf18("6","2","8","8","4","10","1") = "9"
    & skf18("6","2","8","8","5","1","1") = "7"
    & skf18("6","2","8","8","5","2","1") = "7"
    & skf18("6","2","8","8","5","3","1") = "7"
    & skf18("6","2","8","8","5","4","1") = "7"
    & skf18("6","2","8","8","5","5","1") = "7"
    & skf18("6","2","8","8","5","6","1") = "7"
    & skf18("6","2","8","8","5","7","1") = "7"
    & skf18("6","2","8","8","5","8","1") = "7"
    & skf18("6","2","8","8","5","9","1") = "8"
    & skf18("6","2","8","8","5","10","1") = "9"
    & skf18("6","2","8","8","6","1","1") = "7"
    & skf18("6","2","8","8","6","2","1") = "7"
    & skf18("6","2","8","8","6","3","1") = "7"
    & skf18("6","2","8","8","6","4","1") = "7"
    & skf18("6","2","8","8","6","5","1") = "7"
    & skf18("6","2","8","8","6","6","1") = "7"
    & skf18("6","2","8","8","6","7","1") = "7"
    & skf18("6","2","8","8","6","8","1") = "7"
    & skf18("6","2","8","8","6","9","1") = "8"
    & skf18("6","2","8","8","6","10","1") = "9"
    & skf18("6","2","8","8","7","1","1") = "7"
    & skf18("6","2","8","8","7","2","1") = "7"
    & skf18("6","2","8","8","7","3","1") = "7"
    & skf18("6","2","8","8","7","4","1") = "7"
    & skf18("6","2","8","8","7","5","1") = "7"
    & skf18("6","2","8","8","7","6","1") = "7"
    & skf18("6","2","8","8","7","7","1") = "7"
    & skf18("6","2","8","8","7","8","1") = "7"
    & skf18("6","2","8","8","7","9","1") = "8"
    & skf18("6","2","8","8","7","10","1") = "9"
    & skf18("6","2","8","8","8","1","1") = "7"
    & skf18("6","2","8","8","8","2","1") = "7"
    & skf18("6","2","8","8","8","3","1") = "7"
    & skf18("6","2","8","8","8","4","1") = "7"
    & skf18("6","2","8","8","8","5","1") = "7"
    & skf18("6","2","8","8","8","6","1") = "7"
    & skf18("6","2","8","8","8","7","1") = "7"
    & skf18("6","2","8","8","8","8","1") = "7"
    & skf18("6","2","8","8","8","9","1") = "8"
    & skf18("6","2","8","8","8","10","1") = "9"
    & skf18("6","2","8","8","9","1","1") = "8"
    & skf18("6","2","8","8","9","2","1") = "8"
    & skf18("6","2","8","8","9","3","1") = "8"
    & skf18("6","2","8","8","9","4","1") = "8"
    & skf18("6","2","8","8","9","5","1") = "8"
    & skf18("6","2","8","8","9","6","1") = "8"
    & skf18("6","2","8","8","9","7","1") = "8"
    & skf18("6","2","8","8","9","8","1") = "8"
    & skf18("6","2","8","8","9","9","1") = "8"
    & skf18("6","2","8","8","9","10","1") = "9"
    & skf18("6","2","8","8","10","1","1") = "9"
    & skf18("6","2","8","8","10","2","1") = "9"
    & skf18("6","2","8","8","10","3","1") = "9"
    & skf18("6","2","8","8","10","4","1") = "9"
    & skf18("6","2","8","8","10","5","1") = "9"
    & skf18("6","2","8","8","10","6","1") = "9"
    & skf18("6","2","8","8","10","7","1") = "9"
    & skf18("6","2","8","8","10","8","1") = "9"
    & skf18("6","2","8","8","10","9","1") = "9"
    & skf18("6","2","8","8","10","10","1") = "9"
    & skf18("6","2","8","9","1","1","1") = "8"
    & skf18("6","2","8","9","1","2","1") = "8"
    & skf18("6","2","8","9","1","3","1") = "8"
    & skf18("6","2","8","9","1","4","1") = "8"
    & skf18("6","2","8","9","1","5","1") = "8"
    & skf18("6","2","8","9","1","6","1") = "8"
    & skf18("6","2","8","9","1","7","1") = "8"
    & skf18("6","2","8","9","1","8","1") = "8"
    & skf18("6","2","8","9","1","9","1") = "8"
    & skf18("6","2","8","9","1","10","1") = "9"
    & skf18("6","2","8","9","2","1","1") = "8"
    & skf18("6","2","8","9","2","2","1") = "8"
    & skf18("6","2","8","9","2","3","1") = "8"
    & skf18("6","2","8","9","2","4","1") = "8"
    & skf18("6","2","8","9","2","5","1") = "8"
    & skf18("6","2","8","9","2","6","1") = "8"
    & skf18("6","2","8","9","2","7","1") = "8"
    & skf18("6","2","8","9","2","8","1") = "8"
    & skf18("6","2","8","9","2","9","1") = "8"
    & skf18("6","2","8","9","2","10","1") = "9"
    & skf18("6","2","8","9","3","1","1") = "8"
    & skf18("6","2","8","9","3","2","1") = "8"
    & skf18("6","2","8","9","3","3","1") = "8"
    & skf18("6","2","8","9","3","4","1") = "8"
    & skf18("6","2","8","9","3","5","1") = "8"
    & skf18("6","2","8","9","3","6","1") = "8"
    & skf18("6","2","8","9","3","7","1") = "8"
    & skf18("6","2","8","9","3","8","1") = "8"
    & skf18("6","2","8","9","3","9","1") = "8"
    & skf18("6","2","8","9","3","10","1") = "9"
    & skf18("6","2","8","9","4","1","1") = "8"
    & skf18("6","2","8","9","4","2","1") = "8"
    & skf18("6","2","8","9","4","3","1") = "8"
    & skf18("6","2","8","9","4","4","1") = "8"
    & skf18("6","2","8","9","4","5","1") = "8"
    & skf18("6","2","8","9","4","6","1") = "8"
    & skf18("6","2","8","9","4","7","1") = "8"
    & skf18("6","2","8","9","4","8","1") = "8"
    & skf18("6","2","8","9","4","9","1") = "8"
    & skf18("6","2","8","9","4","10","1") = "9"
    & skf18("6","2","8","9","5","1","1") = "8"
    & skf18("6","2","8","9","5","2","1") = "8"
    & skf18("6","2","8","9","5","3","1") = "8"
    & skf18("6","2","8","9","5","4","1") = "8"
    & skf18("6","2","8","9","5","5","1") = "8"
    & skf18("6","2","8","9","5","6","1") = "8"
    & skf18("6","2","8","9","5","7","1") = "8"
    & skf18("6","2","8","9","5","8","1") = "8"
    & skf18("6","2","8","9","5","9","1") = "8"
    & skf18("6","2","8","9","5","10","1") = "9"
    & skf18("6","2","8","9","6","1","1") = "8"
    & skf18("6","2","8","9","6","2","1") = "8"
    & skf18("6","2","8","9","6","3","1") = "8"
    & skf18("6","2","8","9","6","4","1") = "8"
    & skf18("6","2","8","9","6","5","1") = "8"
    & skf18("6","2","8","9","6","6","1") = "8"
    & skf18("6","2","8","9","6","7","1") = "8"
    & skf18("6","2","8","9","6","8","1") = "8"
    & skf18("6","2","8","9","6","9","1") = "8"
    & skf18("6","2","8","9","6","10","1") = "9"
    & skf18("6","2","8","9","7","1","1") = "8"
    & skf18("6","2","8","9","7","2","1") = "8"
    & skf18("6","2","8","9","7","3","1") = "8"
    & skf18("6","2","8","9","7","4","1") = "8"
    & skf18("6","2","8","9","7","5","1") = "8"
    & skf18("6","2","8","9","7","6","1") = "8"
    & skf18("6","2","8","9","7","7","1") = "8"
    & skf18("6","2","8","9","7","8","1") = "8"
    & skf18("6","2","8","9","7","9","1") = "8"
    & skf18("6","2","8","9","7","10","1") = "9"
    & skf18("6","2","8","9","8","1","1") = "8"
    & skf18("6","2","8","9","8","2","1") = "8"
    & skf18("6","2","8","9","8","3","1") = "8"
    & skf18("6","2","8","9","8","4","1") = "8"
    & skf18("6","2","8","9","8","5","1") = "8"
    & skf18("6","2","8","9","8","6","1") = "8"
    & skf18("6","2","8","9","8","7","1") = "8"
    & skf18("6","2","8","9","8","8","1") = "8"
    & skf18("6","2","8","9","8","9","1") = "8"
    & skf18("6","2","8","9","8","10","1") = "9"
    & skf18("6","2","8","9","9","1","1") = "8"
    & skf18("6","2","8","9","9","2","1") = "8"
    & skf18("6","2","8","9","9","3","1") = "8"
    & skf18("6","2","8","9","9","4","1") = "8"
    & skf18("6","2","8","9","9","5","1") = "8"
    & skf18("6","2","8","9","9","6","1") = "8"
    & skf18("6","2","8","9","9","7","1") = "8"
    & skf18("6","2","8","9","9","8","1") = "8"
    & skf18("6","2","8","9","9","9","1") = "8"
    & skf18("6","2","8","9","9","10","1") = "9"
    & skf18("6","2","8","9","10","1","1") = "9"
    & skf18("6","2","8","9","10","2","1") = "9"
    & skf18("6","2","8","9","10","3","1") = "9"
    & skf18("6","2","8","9","10","4","1") = "9"
    & skf18("6","2","8","9","10","5","1") = "9"
    & skf18("6","2","8","9","10","6","1") = "9"
    & skf18("6","2","8","9","10","7","1") = "9"
    & skf18("6","2","8","9","10","8","1") = "9"
    & skf18("6","2","8","9","10","9","1") = "9"
    & skf18("6","2","8","9","10","10","1") = "9"
    & skf18("6","2","8","10","1","1","1") = "9"
    & skf18("6","2","8","10","1","2","1") = "9"
    & skf18("6","2","8","10","1","3","1") = "9"
    & skf18("6","2","8","10","1","4","1") = "9"
    & skf18("6","2","8","10","1","5","1") = "9"
    & skf18("6","2","8","10","1","6","1") = "9"
    & skf18("6","2","8","10","1","7","1") = "9"
    & skf18("6","2","8","10","1","8","1") = "9"
    & skf18("6","2","8","10","1","9","1") = "9"
    & skf18("6","2","8","10","1","10","1") = "9"
    & skf18("6","2","8","10","2","1","1") = "9"
    & skf18("6","2","8","10","2","2","1") = "9"
    & skf18("6","2","8","10","2","3","1") = "9"
    & skf18("6","2","8","10","2","4","1") = "9"
    & skf18("6","2","8","10","2","5","1") = "9"
    & skf18("6","2","8","10","2","6","1") = "9"
    & skf18("6","2","8","10","2","7","1") = "9"
    & skf18("6","2","8","10","2","8","1") = "9"
    & skf18("6","2","8","10","2","9","1") = "9"
    & skf18("6","2","8","10","2","10","1") = "9"
    & skf18("6","2","8","10","3","1","1") = "9"
    & skf18("6","2","8","10","3","2","1") = "9"
    & skf18("6","2","8","10","3","3","1") = "9"
    & skf18("6","2","8","10","3","4","1") = "9"
    & skf18("6","2","8","10","3","5","1") = "9"
    & skf18("6","2","8","10","3","6","1") = "9"
    & skf18("6","2","8","10","3","7","1") = "9"
    & skf18("6","2","8","10","3","8","1") = "9"
    & skf18("6","2","8","10","3","9","1") = "9"
    & skf18("6","2","8","10","3","10","1") = "9"
    & skf18("6","2","8","10","4","1","1") = "9"
    & skf18("6","2","8","10","4","2","1") = "9"
    & skf18("6","2","8","10","4","3","1") = "9"
    & skf18("6","2","8","10","4","4","1") = "9"
    & skf18("6","2","8","10","4","5","1") = "9"
    & skf18("6","2","8","10","4","6","1") = "9"
    & skf18("6","2","8","10","4","7","1") = "9"
    & skf18("6","2","8","10","4","8","1") = "9"
    & skf18("6","2","8","10","4","9","1") = "9"
    & skf18("6","2","8","10","4","10","1") = "9"
    & skf18("6","2","8","10","5","1","1") = "9"
    & skf18("6","2","8","10","5","2","1") = "9"
    & skf18("6","2","8","10","5","3","1") = "9"
    & skf18("6","2","8","10","5","4","1") = "9"
    & skf18("6","2","8","10","5","5","1") = "9"
    & skf18("6","2","8","10","5","6","1") = "9"
    & skf18("6","2","8","10","5","7","1") = "9"
    & skf18("6","2","8","10","5","8","1") = "9"
    & skf18("6","2","8","10","5","9","1") = "9"
    & skf18("6","2","8","10","5","10","1") = "9"
    & skf18("6","2","8","10","6","1","1") = "9"
    & skf18("6","2","8","10","6","2","1") = "9"
    & skf18("6","2","8","10","6","3","1") = "9"
    & skf18("6","2","8","10","6","4","1") = "9"
    & skf18("6","2","8","10","6","5","1") = "9"
    & skf18("6","2","8","10","6","6","1") = "9"
    & skf18("6","2","8","10","6","7","1") = "9"
    & skf18("6","2","8","10","6","8","1") = "9"
    & skf18("6","2","8","10","6","9","1") = "9"
    & skf18("6","2","8","10","6","10","1") = "9"
    & skf18("6","2","8","10","7","1","1") = "9"
    & skf18("6","2","8","10","7","2","1") = "9"
    & skf18("6","2","8","10","7","3","1") = "9"
    & skf18("6","2","8","10","7","4","1") = "9"
    & skf18("6","2","8","10","7","5","1") = "9"
    & skf18("6","2","8","10","7","6","1") = "9"
    & skf18("6","2","8","10","7","7","1") = "9"
    & skf18("6","2","8","10","7","8","1") = "9"
    & skf18("6","2","8","10","7","9","1") = "9"
    & skf18("6","2","8","10","7","10","1") = "9"
    & skf18("6","2","8","10","8","1","1") = "9"
    & skf18("6","2","8","10","8","2","1") = "9"
    & skf18("6","2","8","10","8","3","1") = "9"
    & skf18("6","2","8","10","8","4","1") = "9"
    & skf18("6","2","8","10","8","5","1") = "9"
    & skf18("6","2","8","10","8","6","1") = "9"
    & skf18("6","2","8","10","8","7","1") = "9"
    & skf18("6","2","8","10","8","8","1") = "9"
    & skf18("6","2","8","10","8","9","1") = "9"
    & skf18("6","2","8","10","8","10","1") = "9"
    & skf18("6","2","8","10","9","1","1") = "9"
    & skf18("6","2","8","10","9","2","1") = "9"
    & skf18("6","2","8","10","9","3","1") = "9"
    & skf18("6","2","8","10","9","4","1") = "9"
    & skf18("6","2","8","10","9","5","1") = "9"
    & skf18("6","2","8","10","9","6","1") = "9"
    & skf18("6","2","8","10","9","7","1") = "9"
    & skf18("6","2","8","10","9","8","1") = "9"
    & skf18("6","2","8","10","9","9","1") = "9"
    & skf18("6","2","8","10","9","10","1") = "9"
    & skf18("6","2","8","10","10","1","1") = "9"
    & skf18("6","2","8","10","10","2","1") = "9"
    & skf18("6","2","8","10","10","3","1") = "9"
    & skf18("6","2","8","10","10","4","1") = "9"
    & skf18("6","2","8","10","10","5","1") = "9"
    & skf18("6","2","8","10","10","6","1") = "9"
    & skf18("6","2","8","10","10","7","1") = "9"
    & skf18("6","2","8","10","10","8","1") = "9"
    & skf18("6","2","8","10","10","9","1") = "9"
    & skf18("6","2","8","10","10","10","1") = "9"
    & skf18("6","2","9","1","1","1","1") = "8"
    & skf18("6","2","9","1","1","2","1") = "8"
    & skf18("6","2","9","1","1","3","1") = "8"
    & skf18("6","2","9","1","1","4","1") = "8"
    & skf18("6","2","9","1","1","5","1") = "8"
    & skf18("6","2","9","1","1","6","1") = "8"
    & skf18("6","2","9","1","1","7","1") = "8"
    & skf18("6","2","9","1","1","8","1") = "8"
    & skf18("6","2","9","1","1","9","1") = "8"
    & skf18("6","2","9","1","1","10","1") = "9"
    & skf18("6","2","9","1","2","1","1") = "8"
    & skf18("6","2","9","1","2","2","1") = "8"
    & skf18("6","2","9","1","2","3","1") = "8"
    & skf18("6","2","9","1","2","4","1") = "8"
    & skf18("6","2","9","1","2","5","1") = "8"
    & skf18("6","2","9","1","2","6","1") = "8"
    & skf18("6","2","9","1","2","7","1") = "8"
    & skf18("6","2","9","1","2","8","1") = "8"
    & skf18("6","2","9","1","2","9","1") = "8"
    & skf18("6","2","9","1","2","10","1") = "9"
    & skf18("6","2","9","1","3","1","1") = "8"
    & skf18("6","2","9","1","3","2","1") = "8"
    & skf18("6","2","9","1","3","3","1") = "8"
    & skf18("6","2","9","1","3","4","1") = "8"
    & skf18("6","2","9","1","3","5","1") = "8"
    & skf18("6","2","9","1","3","6","1") = "8"
    & skf18("6","2","9","1","3","7","1") = "8"
    & skf18("6","2","9","1","3","8","1") = "8"
    & skf18("6","2","9","1","3","9","1") = "8"
    & skf18("6","2","9","1","3","10","1") = "9"
    & skf18("6","2","9","1","4","1","1") = "8"
    & skf18("6","2","9","1","4","2","1") = "8"
    & skf18("6","2","9","1","4","3","1") = "8"
    & skf18("6","2","9","1","4","4","1") = "8"
    & skf18("6","2","9","1","4","5","1") = "8"
    & skf18("6","2","9","1","4","6","1") = "8"
    & skf18("6","2","9","1","4","7","1") = "8"
    & skf18("6","2","9","1","4","8","1") = "8"
    & skf18("6","2","9","1","4","9","1") = "8"
    & skf18("6","2","9","1","4","10","1") = "9"
    & skf18("6","2","9","1","5","1","1") = "8"
    & skf18("6","2","9","1","5","2","1") = "8"
    & skf18("6","2","9","1","5","3","1") = "8"
    & skf18("6","2","9","1","5","4","1") = "8"
    & skf18("6","2","9","1","5","5","1") = "8"
    & skf18("6","2","9","1","5","6","1") = "8"
    & skf18("6","2","9","1","5","7","1") = "8"
    & skf18("6","2","9","1","5","8","1") = "8"
    & skf18("6","2","9","1","5","9","1") = "8"
    & skf18("6","2","9","1","5","10","1") = "9"
    & skf18("6","2","9","1","6","1","1") = "8"
    & skf18("6","2","9","1","6","2","1") = "8"
    & skf18("6","2","9","1","6","3","1") = "8"
    & skf18("6","2","9","1","6","4","1") = "8"
    & skf18("6","2","9","1","6","5","1") = "8"
    & skf18("6","2","9","1","6","6","1") = "8"
    & skf18("6","2","9","1","6","7","1") = "8"
    & skf18("6","2","9","1","6","8","1") = "8"
    & skf18("6","2","9","1","6","9","1") = "8"
    & skf18("6","2","9","1","6","10","1") = "9"
    & skf18("6","2","9","1","7","1","1") = "8"
    & skf18("6","2","9","1","7","2","1") = "8"
    & skf18("6","2","9","1","7","3","1") = "8"
    & skf18("6","2","9","1","7","4","1") = "8"
    & skf18("6","2","9","1","7","5","1") = "8"
    & skf18("6","2","9","1","7","6","1") = "8"
    & skf18("6","2","9","1","7","7","1") = "8"
    & skf18("6","2","9","1","7","8","1") = "8"
    & skf18("6","2","9","1","7","9","1") = "8"
    & skf18("6","2","9","1","7","10","1") = "9"
    & skf18("6","2","9","1","8","1","1") = "8"
    & skf18("6","2","9","1","8","2","1") = "8"
    & skf18("6","2","9","1","8","3","1") = "8"
    & skf18("6","2","9","1","8","4","1") = "8"
    & skf18("6","2","9","1","8","5","1") = "8"
    & skf18("6","2","9","1","8","6","1") = "8"
    & skf18("6","2","9","1","8","7","1") = "8"
    & skf18("6","2","9","1","8","8","1") = "8"
    & skf18("6","2","9","1","8","9","1") = "8"
    & skf18("6","2","9","1","8","10","1") = "9"
    & skf18("6","2","9","1","9","1","1") = "8"
    & skf18("6","2","9","1","9","2","1") = "8"
    & skf18("6","2","9","1","9","3","1") = "8"
    & skf18("6","2","9","1","9","4","1") = "8"
    & skf18("6","2","9","1","9","5","1") = "8"
    & skf18("6","2","9","1","9","6","1") = "8"
    & skf18("6","2","9","1","9","7","1") = "8"
    & skf18("6","2","9","1","9","8","1") = "8"
    & skf18("6","2","9","1","9","9","1") = "8"
    & skf18("6","2","9","1","9","10","1") = "9"
    & skf18("6","2","9","1","10","1","1") = "9"
    & skf18("6","2","9","1","10","2","1") = "9"
    & skf18("6","2","9","1","10","3","1") = "9"
    & skf18("6","2","9","1","10","4","1") = "9"
    & skf18("6","2","9","1","10","5","1") = "9"
    & skf18("6","2","9","1","10","6","1") = "9"
    & skf18("6","2","9","1","10","7","1") = "9"
    & skf18("6","2","9","1","10","8","1") = "9"
    & skf18("6","2","9","1","10","9","1") = "9"
    & skf18("6","2","9","1","10","10","1") = "9"
    & skf18("6","2","9","2","1","1","1") = "8"
    & skf18("6","2","9","2","1","2","1") = "8"
    & skf18("6","2","9","2","1","3","1") = "8"
    & skf18("6","2","9","2","1","4","1") = "8"
    & skf18("6","2","9","2","1","5","1") = "8"
    & skf18("6","2","9","2","1","6","1") = "8"
    & skf18("6","2","9","2","1","7","1") = "8"
    & skf18("6","2","9","2","1","8","1") = "8"
    & skf18("6","2","9","2","1","9","1") = "8"
    & skf18("6","2","9","2","1","10","1") = "9"
    & skf18("6","2","9","2","2","1","1") = "8"
    & skf18("6","2","9","2","2","2","1") = "8"
    & skf18("6","2","9","2","2","3","1") = "8"
    & skf18("6","2","9","2","2","4","1") = "8"
    & skf18("6","2","9","2","2","5","1") = "8"
    & skf18("6","2","9","2","2","6","1") = "8"
    & skf18("6","2","9","2","2","7","1") = "8"
    & skf18("6","2","9","2","2","8","1") = "8"
    & skf18("6","2","9","2","2","9","1") = "8"
    & skf18("6","2","9","2","2","10","1") = "9"
    & skf18("6","2","9","2","3","1","1") = "8"
    & skf18("6","2","9","2","3","2","1") = "8"
    & skf18("6","2","9","2","3","3","1") = "8"
    & skf18("6","2","9","2","3","4","1") = "8"
    & skf18("6","2","9","2","3","5","1") = "8"
    & skf18("6","2","9","2","3","6","1") = "8"
    & skf18("6","2","9","2","3","7","1") = "8"
    & skf18("6","2","9","2","3","8","1") = "8"
    & skf18("6","2","9","2","3","9","1") = "8"
    & skf18("6","2","9","2","3","10","1") = "9"
    & skf18("6","2","9","2","4","1","1") = "8"
    & skf18("6","2","9","2","4","2","1") = "8"
    & skf18("6","2","9","2","4","3","1") = "8"
    & skf18("6","2","9","2","4","4","1") = "8"
    & skf18("6","2","9","2","4","5","1") = "8"
    & skf18("6","2","9","2","4","6","1") = "8"
    & skf18("6","2","9","2","4","7","1") = "8"
    & skf18("6","2","9","2","4","8","1") = "8"
    & skf18("6","2","9","2","4","9","1") = "8"
    & skf18("6","2","9","2","4","10","1") = "9"
    & skf18("6","2","9","2","5","1","1") = "8"
    & skf18("6","2","9","2","5","2","1") = "8"
    & skf18("6","2","9","2","5","3","1") = "8"
    & skf18("6","2","9","2","5","4","1") = "8"
    & skf18("6","2","9","2","5","5","1") = "8"
    & skf18("6","2","9","2","5","6","1") = "8"
    & skf18("6","2","9","2","5","7","1") = "8"
    & skf18("6","2","9","2","5","8","1") = "8"
    & skf18("6","2","9","2","5","9","1") = "8"
    & skf18("6","2","9","2","5","10","1") = "9"
    & skf18("6","2","9","2","6","1","1") = "8"
    & skf18("6","2","9","2","6","2","1") = "8"
    & skf18("6","2","9","2","6","3","1") = "8"
    & skf18("6","2","9","2","6","4","1") = "8"
    & skf18("6","2","9","2","6","5","1") = "8"
    & skf18("6","2","9","2","6","6","1") = "8"
    & skf18("6","2","9","2","6","7","1") = "8"
    & skf18("6","2","9","2","6","8","1") = "8"
    & skf18("6","2","9","2","6","9","1") = "8"
    & skf18("6","2","9","2","6","10","1") = "9"
    & skf18("6","2","9","2","7","1","1") = "8"
    & skf18("6","2","9","2","7","2","1") = "8"
    & skf18("6","2","9","2","7","3","1") = "8"
    & skf18("6","2","9","2","7","4","1") = "8"
    & skf18("6","2","9","2","7","5","1") = "8"
    & skf18("6","2","9","2","7","6","1") = "8"
    & skf18("6","2","9","2","7","7","1") = "8"
    & skf18("6","2","9","2","7","8","1") = "8"
    & skf18("6","2","9","2","7","9","1") = "8"
    & skf18("6","2","9","2","7","10","1") = "9"
    & skf18("6","2","9","2","8","1","1") = "8"
    & skf18("6","2","9","2","8","2","1") = "8"
    & skf18("6","2","9","2","8","3","1") = "8"
    & skf18("6","2","9","2","8","4","1") = "8"
    & skf18("6","2","9","2","8","5","1") = "8"
    & skf18("6","2","9","2","8","6","1") = "8"
    & skf18("6","2","9","2","8","7","1") = "8"
    & skf18("6","2","9","2","8","8","1") = "8"
    & skf18("6","2","9","2","8","9","1") = "8"
    & skf18("6","2","9","2","8","10","1") = "9"
    & skf18("6","2","9","2","9","1","1") = "8"
    & skf18("6","2","9","2","9","2","1") = "8"
    & skf18("6","2","9","2","9","3","1") = "8"
    & skf18("6","2","9","2","9","4","1") = "8"
    & skf18("6","2","9","2","9","5","1") = "8"
    & skf18("6","2","9","2","9","6","1") = "8"
    & skf18("6","2","9","2","9","7","1") = "8"
    & skf18("6","2","9","2","9","8","1") = "8"
    & skf18("6","2","9","2","9","9","1") = "8"
    & skf18("6","2","9","2","9","10","1") = "9"
    & skf18("6","2","9","2","10","1","1") = "9"
    & skf18("6","2","9","2","10","2","1") = "9"
    & skf18("6","2","9","2","10","3","1") = "9"
    & skf18("6","2","9","2","10","4","1") = "9"
    & skf18("6","2","9","2","10","5","1") = "9"
    & skf18("6","2","9","2","10","6","1") = "9"
    & skf18("6","2","9","2","10","7","1") = "9"
    & skf18("6","2","9","2","10","8","1") = "9"
    & skf18("6","2","9","2","10","9","1") = "9"
    & skf18("6","2","9","2","10","10","1") = "9"
    & skf18("6","2","9","3","1","1","1") = "8"
    & skf18("6","2","9","3","1","2","1") = "8"
    & skf18("6","2","9","3","1","3","1") = "8"
    & skf18("6","2","9","3","1","4","1") = "8"
    & skf18("6","2","9","3","1","5","1") = "8"
    & skf18("6","2","9","3","1","6","1") = "8"
    & skf18("6","2","9","3","1","7","1") = "8"
    & skf18("6","2","9","3","1","8","1") = "8"
    & skf18("6","2","9","3","1","9","1") = "8"
    & skf18("6","2","9","3","1","10","1") = "9"
    & skf18("6","2","9","3","2","1","1") = "8"
    & skf18("6","2","9","3","2","2","1") = "8"
    & skf18("6","2","9","3","2","3","1") = "8"
    & skf18("6","2","9","3","2","4","1") = "8"
    & skf18("6","2","9","3","2","5","1") = "8"
    & skf18("6","2","9","3","2","6","1") = "8"
    & skf18("6","2","9","3","2","7","1") = "8"
    & skf18("6","2","9","3","2","8","1") = "8"
    & skf18("6","2","9","3","2","9","1") = "8"
    & skf18("6","2","9","3","2","10","1") = "9"
    & skf18("6","2","9","3","3","1","1") = "8"
    & skf18("6","2","9","3","3","2","1") = "8"
    & skf18("6","2","9","3","3","3","1") = "8"
    & skf18("6","2","9","3","3","4","1") = "8"
    & skf18("6","2","9","3","3","5","1") = "8"
    & skf18("6","2","9","3","3","6","1") = "8"
    & skf18("6","2","9","3","3","7","1") = "8"
    & skf18("6","2","9","3","3","8","1") = "8"
    & skf18("6","2","9","3","3","9","1") = "8"
    & skf18("6","2","9","3","3","10","1") = "9"
    & skf18("6","2","9","3","4","1","1") = "8"
    & skf18("6","2","9","3","4","2","1") = "8"
    & skf18("6","2","9","3","4","3","1") = "8"
    & skf18("6","2","9","3","4","4","1") = "8"
    & skf18("6","2","9","3","4","5","1") = "8"
    & skf18("6","2","9","3","4","6","1") = "8"
    & skf18("6","2","9","3","4","7","1") = "8"
    & skf18("6","2","9","3","4","8","1") = "8"
    & skf18("6","2","9","3","4","9","1") = "8"
    & skf18("6","2","9","3","4","10","1") = "9"
    & skf18("6","2","9","3","5","1","1") = "8"
    & skf18("6","2","9","3","5","2","1") = "8"
    & skf18("6","2","9","3","5","3","1") = "8"
    & skf18("6","2","9","3","5","4","1") = "8"
    & skf18("6","2","9","3","5","5","1") = "8"
    & skf18("6","2","9","3","5","6","1") = "8"
    & skf18("6","2","9","3","5","7","1") = "8"
    & skf18("6","2","9","3","5","8","1") = "8"
    & skf18("6","2","9","3","5","9","1") = "8"
    & skf18("6","2","9","3","5","10","1") = "9"
    & skf18("6","2","9","3","6","1","1") = "8"
    & skf18("6","2","9","3","6","2","1") = "8"
    & skf18("6","2","9","3","6","3","1") = "8"
    & skf18("6","2","9","3","6","4","1") = "8"
    & skf18("6","2","9","3","6","5","1") = "8"
    & skf18("6","2","9","3","6","6","1") = "8"
    & skf18("6","2","9","3","6","7","1") = "8"
    & skf18("6","2","9","3","6","8","1") = "8"
    & skf18("6","2","9","3","6","9","1") = "8"
    & skf18("6","2","9","3","6","10","1") = "9"
    & skf18("6","2","9","3","7","1","1") = "8"
    & skf18("6","2","9","3","7","2","1") = "8"
    & skf18("6","2","9","3","7","3","1") = "8"
    & skf18("6","2","9","3","7","4","1") = "8"
    & skf18("6","2","9","3","7","5","1") = "8"
    & skf18("6","2","9","3","7","6","1") = "8"
    & skf18("6","2","9","3","7","7","1") = "8"
    & skf18("6","2","9","3","7","8","1") = "8"
    & skf18("6","2","9","3","7","9","1") = "8"
    & skf18("6","2","9","3","7","10","1") = "9"
    & skf18("6","2","9","3","8","1","1") = "8"
    & skf18("6","2","9","3","8","2","1") = "8"
    & skf18("6","2","9","3","8","3","1") = "8"
    & skf18("6","2","9","3","8","4","1") = "8"
    & skf18("6","2","9","3","8","5","1") = "8"
    & skf18("6","2","9","3","8","6","1") = "8"
    & skf18("6","2","9","3","8","7","1") = "8"
    & skf18("6","2","9","3","8","8","1") = "8"
    & skf18("6","2","9","3","8","9","1") = "8"
    & skf18("6","2","9","3","8","10","1") = "9"
    & skf18("6","2","9","3","9","1","1") = "8"
    & skf18("6","2","9","3","9","2","1") = "8"
    & skf18("6","2","9","3","9","3","1") = "8"
    & skf18("6","2","9","3","9","4","1") = "8"
    & skf18("6","2","9","3","9","5","1") = "8"
    & skf18("6","2","9","3","9","6","1") = "8"
    & skf18("6","2","9","3","9","7","1") = "8"
    & skf18("6","2","9","3","9","8","1") = "8"
    & skf18("6","2","9","3","9","9","1") = "8"
    & skf18("6","2","9","3","9","10","1") = "9"
    & skf18("6","2","9","3","10","1","1") = "9"
    & skf18("6","2","9","3","10","2","1") = "9"
    & skf18("6","2","9","3","10","3","1") = "9"
    & skf18("6","2","9","3","10","4","1") = "9"
    & skf18("6","2","9","3","10","5","1") = "9"
    & skf18("6","2","9","3","10","6","1") = "9"
    & skf18("6","2","9","3","10","7","1") = "9"
    & skf18("6","2","9","3","10","8","1") = "9"
    & skf18("6","2","9","3","10","9","1") = "9"
    & skf18("6","2","9","3","10","10","1") = "9"
    & skf18("6","2","9","4","1","1","1") = "8"
    & skf18("6","2","9","4","1","2","1") = "8"
    & skf18("6","2","9","4","1","3","1") = "8"
    & skf18("6","2","9","4","1","4","1") = "8"
    & skf18("6","2","9","4","1","5","1") = "8"
    & skf18("6","2","9","4","1","6","1") = "8"
    & skf18("6","2","9","4","1","7","1") = "8"
    & skf18("6","2","9","4","1","8","1") = "8"
    & skf18("6","2","9","4","1","9","1") = "8"
    & skf18("6","2","9","4","1","10","1") = "9"
    & skf18("6","2","9","4","2","1","1") = "8"
    & skf18("6","2","9","4","2","2","1") = "8"
    & skf18("6","2","9","4","2","3","1") = "8"
    & skf18("6","2","9","4","2","4","1") = "8"
    & skf18("6","2","9","4","2","5","1") = "8"
    & skf18("6","2","9","4","2","6","1") = "8"
    & skf18("6","2","9","4","2","7","1") = "8"
    & skf18("6","2","9","4","2","8","1") = "8"
    & skf18("6","2","9","4","2","9","1") = "8"
    & skf18("6","2","9","4","2","10","1") = "9"
    & skf18("6","2","9","4","3","1","1") = "8"
    & skf18("6","2","9","4","3","2","1") = "8"
    & skf18("6","2","9","4","3","3","1") = "8"
    & skf18("6","2","9","4","3","4","1") = "8"
    & skf18("6","2","9","4","3","5","1") = "8"
    & skf18("6","2","9","4","3","6","1") = "8"
    & skf18("6","2","9","4","3","7","1") = "8"
    & skf18("6","2","9","4","3","8","1") = "8"
    & skf18("6","2","9","4","3","9","1") = "8"
    & skf18("6","2","9","4","3","10","1") = "9"
    & skf18("6","2","9","4","4","1","1") = "8"
    & skf18("6","2","9","4","4","2","1") = "8"
    & skf18("6","2","9","4","4","3","1") = "8"
    & skf18("6","2","9","4","4","4","1") = "8"
    & skf18("6","2","9","4","4","5","1") = "8"
    & skf18("6","2","9","4","4","6","1") = "8"
    & skf18("6","2","9","4","4","7","1") = "8"
    & skf18("6","2","9","4","4","8","1") = "8"
    & skf18("6","2","9","4","4","9","1") = "8"
    & skf18("6","2","9","4","4","10","1") = "9"
    & skf18("6","2","9","4","5","1","1") = "8"
    & skf18("6","2","9","4","5","2","1") = "8"
    & skf18("6","2","9","4","5","3","1") = "8"
    & skf18("6","2","9","4","5","4","1") = "8"
    & skf18("6","2","9","4","5","5","1") = "8"
    & skf18("6","2","9","4","5","6","1") = "8"
    & skf18("6","2","9","4","5","7","1") = "8"
    & skf18("6","2","9","4","5","8","1") = "8"
    & skf18("6","2","9","4","5","9","1") = "8"
    & skf18("6","2","9","4","5","10","1") = "9"
    & skf18("6","2","9","4","6","1","1") = "8"
    & skf18("6","2","9","4","6","2","1") = "8"
    & skf18("6","2","9","4","6","3","1") = "8"
    & skf18("6","2","9","4","6","4","1") = "8"
    & skf18("6","2","9","4","6","5","1") = "8"
    & skf18("6","2","9","4","6","6","1") = "8"
    & skf18("6","2","9","4","6","7","1") = "8"
    & skf18("6","2","9","4","6","8","1") = "8"
    & skf18("6","2","9","4","6","9","1") = "8"
    & skf18("6","2","9","4","6","10","1") = "9"
    & skf18("6","2","9","4","7","1","1") = "8"
    & skf18("6","2","9","4","7","2","1") = "8"
    & skf18("6","2","9","4","7","3","1") = "8"
    & skf18("6","2","9","4","7","4","1") = "8"
    & skf18("6","2","9","4","7","5","1") = "8"
    & skf18("6","2","9","4","7","6","1") = "8"
    & skf18("6","2","9","4","7","7","1") = "8"
    & skf18("6","2","9","4","7","8","1") = "8"
    & skf18("6","2","9","4","7","9","1") = "8"
    & skf18("6","2","9","4","7","10","1") = "9"
    & skf18("6","2","9","4","8","1","1") = "8"
    & skf18("6","2","9","4","8","2","1") = "8"
    & skf18("6","2","9","4","8","3","1") = "8"
    & skf18("6","2","9","4","8","4","1") = "8"
    & skf18("6","2","9","4","8","5","1") = "8"
    & skf18("6","2","9","4","8","6","1") = "8"
    & skf18("6","2","9","4","8","7","1") = "8"
    & skf18("6","2","9","4","8","8","1") = "8"
    & skf18("6","2","9","4","8","9","1") = "8"
    & skf18("6","2","9","4","8","10","1") = "9"
    & skf18("6","2","9","4","9","1","1") = "8"
    & skf18("6","2","9","4","9","2","1") = "8"
    & skf18("6","2","9","4","9","3","1") = "8"
    & skf18("6","2","9","4","9","4","1") = "8"
    & skf18("6","2","9","4","9","5","1") = "8"
    & skf18("6","2","9","4","9","6","1") = "8"
    & skf18("6","2","9","4","9","7","1") = "8"
    & skf18("6","2","9","4","9","8","1") = "8"
    & skf18("6","2","9","4","9","9","1") = "8"
    & skf18("6","2","9","4","9","10","1") = "9"
    & skf18("6","2","9","4","10","1","1") = "9"
    & skf18("6","2","9","4","10","2","1") = "9"
    & skf18("6","2","9","4","10","3","1") = "9"
    & skf18("6","2","9","4","10","4","1") = "9"
    & skf18("6","2","9","4","10","5","1") = "9"
    & skf18("6","2","9","4","10","6","1") = "9"
    & skf18("6","2","9","4","10","7","1") = "9"
    & skf18("6","2","9","4","10","8","1") = "9"
    & skf18("6","2","9","4","10","9","1") = "9"
    & skf18("6","2","9","4","10","10","1") = "9"
    & skf18("6","2","9","5","1","1","1") = "8"
    & skf18("6","2","9","5","1","2","1") = "8"
    & skf18("6","2","9","5","1","3","1") = "8"
    & skf18("6","2","9","5","1","4","1") = "8"
    & skf18("6","2","9","5","1","5","1") = "8"
    & skf18("6","2","9","5","1","6","1") = "8"
    & skf18("6","2","9","5","1","7","1") = "8"
    & skf18("6","2","9","5","1","8","1") = "8"
    & skf18("6","2","9","5","1","9","1") = "8"
    & skf18("6","2","9","5","1","10","1") = "9"
    & skf18("6","2","9","5","2","1","1") = "8"
    & skf18("6","2","9","5","2","2","1") = "8"
    & skf18("6","2","9","5","2","3","1") = "8"
    & skf18("6","2","9","5","2","4","1") = "8"
    & skf18("6","2","9","5","2","5","1") = "8"
    & skf18("6","2","9","5","2","6","1") = "8"
    & skf18("6","2","9","5","2","7","1") = "8"
    & skf18("6","2","9","5","2","8","1") = "8"
    & skf18("6","2","9","5","2","9","1") = "8"
    & skf18("6","2","9","5","2","10","1") = "9"
    & skf18("6","2","9","5","3","1","1") = "8"
    & skf18("6","2","9","5","3","2","1") = "8"
    & skf18("6","2","9","5","3","3","1") = "8"
    & skf18("6","2","9","5","3","4","1") = "8"
    & skf18("6","2","9","5","3","5","1") = "8"
    & skf18("6","2","9","5","3","6","1") = "8"
    & skf18("6","2","9","5","3","7","1") = "8"
    & skf18("6","2","9","5","3","8","1") = "8"
    & skf18("6","2","9","5","3","9","1") = "8"
    & skf18("6","2","9","5","3","10","1") = "9"
    & skf18("6","2","9","5","4","1","1") = "8"
    & skf18("6","2","9","5","4","2","1") = "8"
    & skf18("6","2","9","5","4","3","1") = "8"
    & skf18("6","2","9","5","4","4","1") = "8"
    & skf18("6","2","9","5","4","5","1") = "8"
    & skf18("6","2","9","5","4","6","1") = "8"
    & skf18("6","2","9","5","4","7","1") = "8"
    & skf18("6","2","9","5","4","8","1") = "8"
    & skf18("6","2","9","5","4","9","1") = "8"
    & skf18("6","2","9","5","4","10","1") = "9"
    & skf18("6","2","9","5","5","1","1") = "8"
    & skf18("6","2","9","5","5","2","1") = "8"
    & skf18("6","2","9","5","5","3","1") = "8"
    & skf18("6","2","9","5","5","4","1") = "8"
    & skf18("6","2","9","5","5","5","1") = "8"
    & skf18("6","2","9","5","5","6","1") = "8"
    & skf18("6","2","9","5","5","7","1") = "8"
    & skf18("6","2","9","5","5","8","1") = "8"
    & skf18("6","2","9","5","5","9","1") = "8"
    & skf18("6","2","9","5","5","10","1") = "9"
    & skf18("6","2","9","5","6","1","1") = "8"
    & skf18("6","2","9","5","6","2","1") = "8"
    & skf18("6","2","9","5","6","3","1") = "8"
    & skf18("6","2","9","5","6","4","1") = "8"
    & skf18("6","2","9","5","6","5","1") = "8"
    & skf18("6","2","9","5","6","6","1") = "8"
    & skf18("6","2","9","5","6","7","1") = "8"
    & skf18("6","2","9","5","6","8","1") = "8"
    & skf18("6","2","9","5","6","9","1") = "8"
    & skf18("6","2","9","5","6","10","1") = "9"
    & skf18("6","2","9","5","7","1","1") = "8"
    & skf18("6","2","9","5","7","2","1") = "8"
    & skf18("6","2","9","5","7","3","1") = "8"
    & skf18("6","2","9","5","7","4","1") = "8"
    & skf18("6","2","9","5","7","5","1") = "8"
    & skf18("6","2","9","5","7","6","1") = "8"
    & skf18("6","2","9","5","7","7","1") = "8"
    & skf18("6","2","9","5","7","8","1") = "8"
    & skf18("6","2","9","5","7","9","1") = "8"
    & skf18("6","2","9","5","7","10","1") = "9"
    & skf18("6","2","9","5","8","1","1") = "8"
    & skf18("6","2","9","5","8","2","1") = "8"
    & skf18("6","2","9","5","8","3","1") = "8"
    & skf18("6","2","9","5","8","4","1") = "8"
    & skf18("6","2","9","5","8","5","1") = "8"
    & skf18("6","2","9","5","8","6","1") = "8"
    & skf18("6","2","9","5","8","7","1") = "8"
    & skf18("6","2","9","5","8","8","1") = "8"
    & skf18("6","2","9","5","8","9","1") = "8"
    & skf18("6","2","9","5","8","10","1") = "9"
    & skf18("6","2","9","5","9","1","1") = "8"
    & skf18("6","2","9","5","9","2","1") = "8"
    & skf18("6","2","9","5","9","3","1") = "8"
    & skf18("6","2","9","5","9","4","1") = "8"
    & skf18("6","2","9","5","9","5","1") = "8"
    & skf18("6","2","9","5","9","6","1") = "8"
    & skf18("6","2","9","5","9","7","1") = "8"
    & skf18("6","2","9","5","9","8","1") = "8"
    & skf18("6","2","9","5","9","9","1") = "8"
    & skf18("6","2","9","5","9","10","1") = "9"
    & skf18("6","2","9","5","10","1","1") = "9"
    & skf18("6","2","9","5","10","2","1") = "9"
    & skf18("6","2","9","5","10","3","1") = "9"
    & skf18("6","2","9","5","10","4","1") = "9"
    & skf18("6","2","9","5","10","5","1") = "9"
    & skf18("6","2","9","5","10","6","1") = "9"
    & skf18("6","2","9","5","10","7","1") = "9"
    & skf18("6","2","9","5","10","8","1") = "9"
    & skf18("6","2","9","5","10","9","1") = "9"
    & skf18("6","2","9","5","10","10","1") = "9"
    & skf18("6","2","9","6","1","1","1") = "8"
    & skf18("6","2","9","6","1","2","1") = "8"
    & skf18("6","2","9","6","1","3","1") = "8"
    & skf18("6","2","9","6","1","4","1") = "8"
    & skf18("6","2","9","6","1","5","1") = "8"
    & skf18("6","2","9","6","1","6","1") = "8"
    & skf18("6","2","9","6","1","7","1") = "8"
    & skf18("6","2","9","6","1","8","1") = "8"
    & skf18("6","2","9","6","1","9","1") = "8"
    & skf18("6","2","9","6","1","10","1") = "9"
    & skf18("6","2","9","6","2","1","1") = "8"
    & skf18("6","2","9","6","2","2","1") = "8"
    & skf18("6","2","9","6","2","3","1") = "8"
    & skf18("6","2","9","6","2","4","1") = "8"
    & skf18("6","2","9","6","2","5","1") = "8"
    & skf18("6","2","9","6","2","6","1") = "8"
    & skf18("6","2","9","6","2","7","1") = "8"
    & skf18("6","2","9","6","2","8","1") = "8"
    & skf18("6","2","9","6","2","9","1") = "8"
    & skf18("6","2","9","6","2","10","1") = "9"
    & skf18("6","2","9","6","3","1","1") = "8"
    & skf18("6","2","9","6","3","2","1") = "8"
    & skf18("6","2","9","6","3","3","1") = "8"
    & skf18("6","2","9","6","3","4","1") = "8"
    & skf18("6","2","9","6","3","5","1") = "8"
    & skf18("6","2","9","6","3","6","1") = "8"
    & skf18("6","2","9","6","3","7","1") = "8"
    & skf18("6","2","9","6","3","8","1") = "8"
    & skf18("6","2","9","6","3","9","1") = "8"
    & skf18("6","2","9","6","3","10","1") = "9"
    & skf18("6","2","9","6","4","1","1") = "8"
    & skf18("6","2","9","6","4","2","1") = "8"
    & skf18("6","2","9","6","4","3","1") = "8"
    & skf18("6","2","9","6","4","4","1") = "8"
    & skf18("6","2","9","6","4","5","1") = "8"
    & skf18("6","2","9","6","4","6","1") = "8"
    & skf18("6","2","9","6","4","7","1") = "8"
    & skf18("6","2","9","6","4","8","1") = "8"
    & skf18("6","2","9","6","4","9","1") = "8"
    & skf18("6","2","9","6","4","10","1") = "9"
    & skf18("6","2","9","6","5","1","1") = "8"
    & skf18("6","2","9","6","5","2","1") = "8"
    & skf18("6","2","9","6","5","3","1") = "8"
    & skf18("6","2","9","6","5","4","1") = "8"
    & skf18("6","2","9","6","5","5","1") = "8"
    & skf18("6","2","9","6","5","6","1") = "8"
    & skf18("6","2","9","6","5","7","1") = "8"
    & skf18("6","2","9","6","5","8","1") = "8"
    & skf18("6","2","9","6","5","9","1") = "8"
    & skf18("6","2","9","6","5","10","1") = "9"
    & skf18("6","2","9","6","6","1","1") = "8"
    & skf18("6","2","9","6","6","2","1") = "8"
    & skf18("6","2","9","6","6","3","1") = "8"
    & skf18("6","2","9","6","6","4","1") = "8"
    & skf18("6","2","9","6","6","5","1") = "8"
    & skf18("6","2","9","6","6","6","1") = "8"
    & skf18("6","2","9","6","6","7","1") = "8"
    & skf18("6","2","9","6","6","8","1") = "8"
    & skf18("6","2","9","6","6","9","1") = "8"
    & skf18("6","2","9","6","6","10","1") = "9"
    & skf18("6","2","9","6","7","1","1") = "8"
    & skf18("6","2","9","6","7","2","1") = "8"
    & skf18("6","2","9","6","7","3","1") = "8"
    & skf18("6","2","9","6","7","4","1") = "8"
    & skf18("6","2","9","6","7","5","1") = "8"
    & skf18("6","2","9","6","7","6","1") = "8"
    & skf18("6","2","9","6","7","7","1") = "8"
    & skf18("6","2","9","6","7","8","1") = "8"
    & skf18("6","2","9","6","7","9","1") = "8"
    & skf18("6","2","9","6","7","10","1") = "9"
    & skf18("6","2","9","6","8","1","1") = "8"
    & skf18("6","2","9","6","8","2","1") = "8"
    & skf18("6","2","9","6","8","3","1") = "8"
    & skf18("6","2","9","6","8","4","1") = "8"
    & skf18("6","2","9","6","8","5","1") = "8"
    & skf18("6","2","9","6","8","6","1") = "8"
    & skf18("6","2","9","6","8","7","1") = "8"
    & skf18("6","2","9","6","8","8","1") = "8"
    & skf18("6","2","9","6","8","9","1") = "8"
    & skf18("6","2","9","6","8","10","1") = "9"
    & skf18("6","2","9","6","9","1","1") = "8"
    & skf18("6","2","9","6","9","2","1") = "8"
    & skf18("6","2","9","6","9","3","1") = "8"
    & skf18("6","2","9","6","9","4","1") = "8"
    & skf18("6","2","9","6","9","5","1") = "8"
    & skf18("6","2","9","6","9","6","1") = "8"
    & skf18("6","2","9","6","9","7","1") = "8"
    & skf18("6","2","9","6","9","8","1") = "8"
    & skf18("6","2","9","6","9","9","1") = "8"
    & skf18("6","2","9","6","9","10","1") = "9"
    & skf18("6","2","9","6","10","1","1") = "9"
    & skf18("6","2","9","6","10","2","1") = "9"
    & skf18("6","2","9","6","10","3","1") = "9"
    & skf18("6","2","9","6","10","4","1") = "9"
    & skf18("6","2","9","6","10","5","1") = "9"
    & skf18("6","2","9","6","10","6","1") = "9"
    & skf18("6","2","9","6","10","7","1") = "9"
    & skf18("6","2","9","6","10","8","1") = "9"
    & skf18("6","2","9","6","10","9","1") = "9"
    & skf18("6","2","9","6","10","10","1") = "9"
    & skf18("6","2","9","7","1","1","1") = "8"
    & skf18("6","2","9","7","1","2","1") = "8"
    & skf18("6","2","9","7","1","3","1") = "8"
    & skf18("6","2","9","7","1","4","1") = "8"
    & skf18("6","2","9","7","1","5","1") = "8"
    & skf18("6","2","9","7","1","6","1") = "8"
    & skf18("6","2","9","7","1","7","1") = "8"
    & skf18("6","2","9","7","1","8","1") = "8"
    & skf18("6","2","9","7","1","9","1") = "8"
    & skf18("6","2","9","7","1","10","1") = "9"
    & skf18("6","2","9","7","2","1","1") = "8"
    & skf18("6","2","9","7","2","2","1") = "8"
    & skf18("6","2","9","7","2","3","1") = "8"
    & skf18("6","2","9","7","2","4","1") = "8"
    & skf18("6","2","9","7","2","5","1") = "8"
    & skf18("6","2","9","7","2","6","1") = "8"
    & skf18("6","2","9","7","2","7","1") = "8"
    & skf18("6","2","9","7","2","8","1") = "8"
    & skf18("6","2","9","7","2","9","1") = "8"
    & skf18("6","2","9","7","2","10","1") = "9"
    & skf18("6","2","9","7","3","1","1") = "8"
    & skf18("6","2","9","7","3","2","1") = "8"
    & skf18("6","2","9","7","3","3","1") = "8"
    & skf18("6","2","9","7","3","4","1") = "8"
    & skf18("6","2","9","7","3","5","1") = "8"
    & skf18("6","2","9","7","3","6","1") = "8"
    & skf18("6","2","9","7","3","7","1") = "8"
    & skf18("6","2","9","7","3","8","1") = "8"
    & skf18("6","2","9","7","3","9","1") = "8"
    & skf18("6","2","9","7","3","10","1") = "9"
    & skf18("6","2","9","7","4","1","1") = "8"
    & skf18("6","2","9","7","4","2","1") = "8"
    & skf18("6","2","9","7","4","3","1") = "8"
    & skf18("6","2","9","7","4","4","1") = "8"
    & skf18("6","2","9","7","4","5","1") = "8"
    & skf18("6","2","9","7","4","6","1") = "8"
    & skf18("6","2","9","7","4","7","1") = "8"
    & skf18("6","2","9","7","4","8","1") = "8"
    & skf18("6","2","9","7","4","9","1") = "8"
    & skf18("6","2","9","7","4","10","1") = "9"
    & skf18("6","2","9","7","5","1","1") = "8"
    & skf18("6","2","9","7","5","2","1") = "8"
    & skf18("6","2","9","7","5","3","1") = "8"
    & skf18("6","2","9","7","5","4","1") = "8"
    & skf18("6","2","9","7","5","5","1") = "8"
    & skf18("6","2","9","7","5","6","1") = "8"
    & skf18("6","2","9","7","5","7","1") = "8"
    & skf18("6","2","9","7","5","8","1") = "8"
    & skf18("6","2","9","7","5","9","1") = "8"
    & skf18("6","2","9","7","5","10","1") = "9"
    & skf18("6","2","9","7","6","1","1") = "8"
    & skf18("6","2","9","7","6","2","1") = "8"
    & skf18("6","2","9","7","6","3","1") = "8"
    & skf18("6","2","9","7","6","4","1") = "8"
    & skf18("6","2","9","7","6","5","1") = "8"
    & skf18("6","2","9","7","6","6","1") = "8"
    & skf18("6","2","9","7","6","7","1") = "8"
    & skf18("6","2","9","7","6","8","1") = "8"
    & skf18("6","2","9","7","6","9","1") = "8"
    & skf18("6","2","9","7","6","10","1") = "9"
    & skf18("6","2","9","7","7","1","1") = "8"
    & skf18("6","2","9","7","7","2","1") = "8"
    & skf18("6","2","9","7","7","3","1") = "8"
    & skf18("6","2","9","7","7","4","1") = "8"
    & skf18("6","2","9","7","7","5","1") = "8"
    & skf18("6","2","9","7","7","6","1") = "8"
    & skf18("6","2","9","7","7","7","1") = "8"
    & skf18("6","2","9","7","7","8","1") = "8"
    & skf18("6","2","9","7","7","9","1") = "8"
    & skf18("6","2","9","7","7","10","1") = "9"
    & skf18("6","2","9","7","8","1","1") = "8"
    & skf18("6","2","9","7","8","2","1") = "8"
    & skf18("6","2","9","7","8","3","1") = "8"
    & skf18("6","2","9","7","8","4","1") = "8"
    & skf18("6","2","9","7","8","5","1") = "8"
    & skf18("6","2","9","7","8","6","1") = "8"
    & skf18("6","2","9","7","8","7","1") = "8"
    & skf18("6","2","9","7","8","8","1") = "8"
    & skf18("6","2","9","7","8","9","1") = "8"
    & skf18("6","2","9","7","8","10","1") = "9"
    & skf18("6","2","9","7","9","1","1") = "8"
    & skf18("6","2","9","7","9","2","1") = "8"
    & skf18("6","2","9","7","9","3","1") = "8"
    & skf18("6","2","9","7","9","4","1") = "8"
    & skf18("6","2","9","7","9","5","1") = "8"
    & skf18("6","2","9","7","9","6","1") = "8"
    & skf18("6","2","9","7","9","7","1") = "8"
    & skf18("6","2","9","7","9","8","1") = "8"
    & skf18("6","2","9","7","9","9","1") = "8"
    & skf18("6","2","9","7","9","10","1") = "9"
    & skf18("6","2","9","7","10","1","1") = "9"
    & skf18("6","2","9","7","10","2","1") = "9"
    & skf18("6","2","9","7","10","3","1") = "9"
    & skf18("6","2","9","7","10","4","1") = "9"
    & skf18("6","2","9","7","10","5","1") = "9"
    & skf18("6","2","9","7","10","6","1") = "9"
    & skf18("6","2","9","7","10","7","1") = "9"
    & skf18("6","2","9","7","10","8","1") = "9"
    & skf18("6","2","9","7","10","9","1") = "9"
    & skf18("6","2","9","7","10","10","1") = "9"
    & skf18("6","2","9","8","1","1","1") = "8"
    & skf18("6","2","9","8","1","2","1") = "8"
    & skf18("6","2","9","8","1","3","1") = "8"
    & skf18("6","2","9","8","1","4","1") = "8"
    & skf18("6","2","9","8","1","5","1") = "8"
    & skf18("6","2","9","8","1","6","1") = "8"
    & skf18("6","2","9","8","1","7","1") = "8"
    & skf18("6","2","9","8","1","8","1") = "8"
    & skf18("6","2","9","8","1","9","1") = "8"
    & skf18("6","2","9","8","1","10","1") = "9"
    & skf18("6","2","9","8","2","1","1") = "8"
    & skf18("6","2","9","8","2","2","1") = "8"
    & skf18("6","2","9","8","2","3","1") = "8"
    & skf18("6","2","9","8","2","4","1") = "8"
    & skf18("6","2","9","8","2","5","1") = "8"
    & skf18("6","2","9","8","2","6","1") = "8"
    & skf18("6","2","9","8","2","7","1") = "8"
    & skf18("6","2","9","8","2","8","1") = "8"
    & skf18("6","2","9","8","2","9","1") = "8"
    & skf18("6","2","9","8","2","10","1") = "9"
    & skf18("6","2","9","8","3","1","1") = "8"
    & skf18("6","2","9","8","3","2","1") = "8"
    & skf18("6","2","9","8","3","3","1") = "8"
    & skf18("6","2","9","8","3","4","1") = "8"
    & skf18("6","2","9","8","3","5","1") = "8"
    & skf18("6","2","9","8","3","6","1") = "8"
    & skf18("6","2","9","8","3","7","1") = "8"
    & skf18("6","2","9","8","3","8","1") = "8"
    & skf18("6","2","9","8","3","9","1") = "8"
    & skf18("6","2","9","8","3","10","1") = "9"
    & skf18("6","2","9","8","4","1","1") = "8"
    & skf18("6","2","9","8","4","2","1") = "8"
    & skf18("6","2","9","8","4","3","1") = "8"
    & skf18("6","2","9","8","4","4","1") = "8"
    & skf18("6","2","9","8","4","5","1") = "8"
    & skf18("6","2","9","8","4","6","1") = "8"
    & skf18("6","2","9","8","4","7","1") = "8"
    & skf18("6","2","9","8","4","8","1") = "8"
    & skf18("6","2","9","8","4","9","1") = "8"
    & skf18("6","2","9","8","4","10","1") = "9"
    & skf18("6","2","9","8","5","1","1") = "8"
    & skf18("6","2","9","8","5","2","1") = "8"
    & skf18("6","2","9","8","5","3","1") = "8"
    & skf18("6","2","9","8","5","4","1") = "8"
    & skf18("6","2","9","8","5","5","1") = "8"
    & skf18("6","2","9","8","5","6","1") = "8"
    & skf18("6","2","9","8","5","7","1") = "8"
    & skf18("6","2","9","8","5","8","1") = "8"
    & skf18("6","2","9","8","5","9","1") = "8"
    & skf18("6","2","9","8","5","10","1") = "9"
    & skf18("6","2","9","8","6","1","1") = "8"
    & skf18("6","2","9","8","6","2","1") = "8"
    & skf18("6","2","9","8","6","3","1") = "8"
    & skf18("6","2","9","8","6","4","1") = "8"
    & skf18("6","2","9","8","6","5","1") = "8"
    & skf18("6","2","9","8","6","6","1") = "8"
    & skf18("6","2","9","8","6","7","1") = "8"
    & skf18("6","2","9","8","6","8","1") = "8"
    & skf18("6","2","9","8","6","9","1") = "8"
    & skf18("6","2","9","8","6","10","1") = "9"
    & skf18("6","2","9","8","7","1","1") = "8"
    & skf18("6","2","9","8","7","2","1") = "8"
    & skf18("6","2","9","8","7","3","1") = "8"
    & skf18("6","2","9","8","7","4","1") = "8"
    & skf18("6","2","9","8","7","5","1") = "8"
    & skf18("6","2","9","8","7","6","1") = "8"
    & skf18("6","2","9","8","7","7","1") = "8"
    & skf18("6","2","9","8","7","8","1") = "8"
    & skf18("6","2","9","8","7","9","1") = "8"
    & skf18("6","2","9","8","7","10","1") = "9"
    & skf18("6","2","9","8","8","1","1") = "8"
    & skf18("6","2","9","8","8","2","1") = "8"
    & skf18("6","2","9","8","8","3","1") = "8"
    & skf18("6","2","9","8","8","4","1") = "8"
    & skf18("6","2","9","8","8","5","1") = "8"
    & skf18("6","2","9","8","8","6","1") = "8"
    & skf18("6","2","9","8","8","7","1") = "8"
    & skf18("6","2","9","8","8","8","1") = "8"
    & skf18("6","2","9","8","8","9","1") = "8"
    & skf18("6","2","9","8","8","10","1") = "9"
    & skf18("6","2","9","8","9","1","1") = "8"
    & skf18("6","2","9","8","9","2","1") = "8"
    & skf18("6","2","9","8","9","3","1") = "8"
    & skf18("6","2","9","8","9","4","1") = "8"
    & skf18("6","2","9","8","9","5","1") = "8"
    & skf18("6","2","9","8","9","6","1") = "8"
    & skf18("6","2","9","8","9","7","1") = "8"
    & skf18("6","2","9","8","9","8","1") = "8"
    & skf18("6","2","9","8","9","9","1") = "8"
    & skf18("6","2","9","8","9","10","1") = "9"
    & skf18("6","2","9","8","10","1","1") = "9"
    & skf18("6","2","9","8","10","2","1") = "9"
    & skf18("6","2","9","8","10","3","1") = "9"
    & skf18("6","2","9","8","10","4","1") = "9"
    & skf18("6","2","9","8","10","5","1") = "9"
    & skf18("6","2","9","8","10","6","1") = "9"
    & skf18("6","2","9","8","10","7","1") = "9"
    & skf18("6","2","9","8","10","8","1") = "9"
    & skf18("6","2","9","8","10","9","1") = "9"
    & skf18("6","2","9","8","10","10","1") = "9"
    & skf18("6","2","9","9","1","1","1") = "8"
    & skf18("6","2","9","9","1","2","1") = "8"
    & skf18("6","2","9","9","1","3","1") = "8"
    & skf18("6","2","9","9","1","4","1") = "8"
    & skf18("6","2","9","9","1","5","1") = "8"
    & skf18("6","2","9","9","1","6","1") = "8"
    & skf18("6","2","9","9","1","7","1") = "8"
    & skf18("6","2","9","9","1","8","1") = "8"
    & skf18("6","2","9","9","1","9","1") = "8"
    & skf18("6","2","9","9","1","10","1") = "9"
    & skf18("6","2","9","9","2","1","1") = "8"
    & skf18("6","2","9","9","2","2","1") = "8"
    & skf18("6","2","9","9","2","3","1") = "8"
    & skf18("6","2","9","9","2","4","1") = "8"
    & skf18("6","2","9","9","2","5","1") = "8"
    & skf18("6","2","9","9","2","6","1") = "8"
    & skf18("6","2","9","9","2","7","1") = "8"
    & skf18("6","2","9","9","2","8","1") = "8"
    & skf18("6","2","9","9","2","9","1") = "8"
    & skf18("6","2","9","9","2","10","1") = "9"
    & skf18("6","2","9","9","3","1","1") = "8"
    & skf18("6","2","9","9","3","2","1") = "8"
    & skf18("6","2","9","9","3","3","1") = "8"
    & skf18("6","2","9","9","3","4","1") = "8"
    & skf18("6","2","9","9","3","5","1") = "8"
    & skf18("6","2","9","9","3","6","1") = "8"
    & skf18("6","2","9","9","3","7","1") = "8"
    & skf18("6","2","9","9","3","8","1") = "8"
    & skf18("6","2","9","9","3","9","1") = "8"
    & skf18("6","2","9","9","3","10","1") = "9"
    & skf18("6","2","9","9","4","1","1") = "8"
    & skf18("6","2","9","9","4","2","1") = "8"
    & skf18("6","2","9","9","4","3","1") = "8"
    & skf18("6","2","9","9","4","4","1") = "8"
    & skf18("6","2","9","9","4","5","1") = "8"
    & skf18("6","2","9","9","4","6","1") = "8"
    & skf18("6","2","9","9","4","7","1") = "8"
    & skf18("6","2","9","9","4","8","1") = "8"
    & skf18("6","2","9","9","4","9","1") = "8"
    & skf18("6","2","9","9","4","10","1") = "9"
    & skf18("6","2","9","9","5","1","1") = "8"
    & skf18("6","2","9","9","5","2","1") = "8"
    & skf18("6","2","9","9","5","3","1") = "8"
    & skf18("6","2","9","9","5","4","1") = "8"
    & skf18("6","2","9","9","5","5","1") = "8"
    & skf18("6","2","9","9","5","6","1") = "8"
    & skf18("6","2","9","9","5","7","1") = "8"
    & skf18("6","2","9","9","5","8","1") = "8"
    & skf18("6","2","9","9","5","9","1") = "8"
    & skf18("6","2","9","9","5","10","1") = "9"
    & skf18("6","2","9","9","6","1","1") = "8"
    & skf18("6","2","9","9","6","2","1") = "8"
    & skf18("6","2","9","9","6","3","1") = "8"
    & skf18("6","2","9","9","6","4","1") = "8"
    & skf18("6","2","9","9","6","5","1") = "8"
    & skf18("6","2","9","9","6","6","1") = "8"
    & skf18("6","2","9","9","6","7","1") = "8"
    & skf18("6","2","9","9","6","8","1") = "8"
    & skf18("6","2","9","9","6","9","1") = "8"
    & skf18("6","2","9","9","6","10","1") = "9"
    & skf18("6","2","9","9","7","1","1") = "8"
    & skf18("6","2","9","9","7","2","1") = "8"
    & skf18("6","2","9","9","7","3","1") = "8"
    & skf18("6","2","9","9","7","4","1") = "8"
    & skf18("6","2","9","9","7","5","1") = "8"
    & skf18("6","2","9","9","7","6","1") = "8"
    & skf18("6","2","9","9","7","7","1") = "8"
    & skf18("6","2","9","9","7","8","1") = "8"
    & skf18("6","2","9","9","7","9","1") = "8"
    & skf18("6","2","9","9","7","10","1") = "9"
    & skf18("6","2","9","9","8","1","1") = "8"
    & skf18("6","2","9","9","8","2","1") = "8"
    & skf18("6","2","9","9","8","3","1") = "8"
    & skf18("6","2","9","9","8","4","1") = "8"
    & skf18("6","2","9","9","8","5","1") = "8"
    & skf18("6","2","9","9","8","6","1") = "8"
    & skf18("6","2","9","9","8","7","1") = "8"
    & skf18("6","2","9","9","8","8","1") = "8"
    & skf18("6","2","9","9","8","9","1") = "8"
    & skf18("6","2","9","9","8","10","1") = "9"
    & skf18("6","2","9","9","9","1","1") = "8"
    & skf18("6","2","9","9","9","2","1") = "8"
    & skf18("6","2","9","9","9","3","1") = "8"
    & skf18("6","2","9","9","9","4","1") = "8"
    & skf18("6","2","9","9","9","5","1") = "8"
    & skf18("6","2","9","9","9","6","1") = "8"
    & skf18("6","2","9","9","9","7","1") = "8"
    & skf18("6","2","9","9","9","8","1") = "8"
    & skf18("6","2","9","9","9","9","1") = "8"
    & skf18("6","2","9","9","9","10","1") = "9"
    & skf18("6","2","9","9","10","1","1") = "9"
    & skf18("6","2","9","9","10","2","1") = "9"
    & skf18("6","2","9","9","10","3","1") = "9"
    & skf18("6","2","9","9","10","4","1") = "9"
    & skf18("6","2","9","9","10","5","1") = "9"
    & skf18("6","2","9","9","10","6","1") = "9"
    & skf18("6","2","9","9","10","7","1") = "9"
    & skf18("6","2","9","9","10","8","1") = "9"
    & skf18("6","2","9","9","10","9","1") = "9"
    & skf18("6","2","9","9","10","10","1") = "9"
    & skf18("6","2","9","10","1","1","1") = "9"
    & skf18("6","2","9","10","1","2","1") = "9"
    & skf18("6","2","9","10","1","3","1") = "9"
    & skf18("6","2","9","10","1","4","1") = "9"
    & skf18("6","2","9","10","1","5","1") = "9"
    & skf18("6","2","9","10","1","6","1") = "9"
    & skf18("6","2","9","10","1","7","1") = "9"
    & skf18("6","2","9","10","1","8","1") = "9"
    & skf18("6","2","9","10","1","9","1") = "9"
    & skf18("6","2","9","10","1","10","1") = "9"
    & skf18("6","2","9","10","2","1","1") = "9"
    & skf18("6","2","9","10","2","2","1") = "9"
    & skf18("6","2","9","10","2","3","1") = "9"
    & skf18("6","2","9","10","2","4","1") = "9"
    & skf18("6","2","9","10","2","5","1") = "9"
    & skf18("6","2","9","10","2","6","1") = "9"
    & skf18("6","2","9","10","2","7","1") = "9"
    & skf18("6","2","9","10","2","8","1") = "9"
    & skf18("6","2","9","10","2","9","1") = "9"
    & skf18("6","2","9","10","2","10","1") = "9"
    & skf18("6","2","9","10","3","1","1") = "9"
    & skf18("6","2","9","10","3","2","1") = "9"
    & skf18("6","2","9","10","3","3","1") = "9"
    & skf18("6","2","9","10","3","4","1") = "9"
    & skf18("6","2","9","10","3","5","1") = "9"
    & skf18("6","2","9","10","3","6","1") = "9"
    & skf18("6","2","9","10","3","7","1") = "9"
    & skf18("6","2","9","10","3","8","1") = "9"
    & skf18("6","2","9","10","3","9","1") = "9"
    & skf18("6","2","9","10","3","10","1") = "9"
    & skf18("6","2","9","10","4","1","1") = "9"
    & skf18("6","2","9","10","4","2","1") = "9"
    & skf18("6","2","9","10","4","3","1") = "9"
    & skf18("6","2","9","10","4","4","1") = "9"
    & skf18("6","2","9","10","4","5","1") = "9"
    & skf18("6","2","9","10","4","6","1") = "9"
    & skf18("6","2","9","10","4","7","1") = "9"
    & skf18("6","2","9","10","4","8","1") = "9"
    & skf18("6","2","9","10","4","9","1") = "9"
    & skf18("6","2","9","10","4","10","1") = "9"
    & skf18("6","2","9","10","5","1","1") = "9"
    & skf18("6","2","9","10","5","2","1") = "9"
    & skf18("6","2","9","10","5","3","1") = "9"
    & skf18("6","2","9","10","5","4","1") = "9"
    & skf18("6","2","9","10","5","5","1") = "9"
    & skf18("6","2","9","10","5","6","1") = "9"
    & skf18("6","2","9","10","5","7","1") = "9"
    & skf18("6","2","9","10","5","8","1") = "9"
    & skf18("6","2","9","10","5","9","1") = "9"
    & skf18("6","2","9","10","5","10","1") = "9"
    & skf18("6","2","9","10","6","1","1") = "9"
    & skf18("6","2","9","10","6","2","1") = "9"
    & skf18("6","2","9","10","6","3","1") = "9"
    & skf18("6","2","9","10","6","4","1") = "9"
    & skf18("6","2","9","10","6","5","1") = "9"
    & skf18("6","2","9","10","6","6","1") = "9"
    & skf18("6","2","9","10","6","7","1") = "9"
    & skf18("6","2","9","10","6","8","1") = "9"
    & skf18("6","2","9","10","6","9","1") = "9"
    & skf18("6","2","9","10","6","10","1") = "9"
    & skf18("6","2","9","10","7","1","1") = "9"
    & skf18("6","2","9","10","7","2","1") = "9"
    & skf18("6","2","9","10","7","3","1") = "9"
    & skf18("6","2","9","10","7","4","1") = "9"
    & skf18("6","2","9","10","7","5","1") = "9"
    & skf18("6","2","9","10","7","6","1") = "9"
    & skf18("6","2","9","10","7","7","1") = "9"
    & skf18("6","2","9","10","7","8","1") = "9"
    & skf18("6","2","9","10","7","9","1") = "9"
    & skf18("6","2","9","10","7","10","1") = "9"
    & skf18("6","2","9","10","8","1","1") = "9"
    & skf18("6","2","9","10","8","2","1") = "9"
    & skf18("6","2","9","10","8","3","1") = "9"
    & skf18("6","2","9","10","8","4","1") = "9"
    & skf18("6","2","9","10","8","5","1") = "9"
    & skf18("6","2","9","10","8","6","1") = "9"
    & skf18("6","2","9","10","8","7","1") = "9"
    & skf18("6","2","9","10","8","8","1") = "9"
    & skf18("6","2","9","10","8","9","1") = "9"
    & skf18("6","2","9","10","8","10","1") = "9"
    & skf18("6","2","9","10","9","1","1") = "9"
    & skf18("6","2","9","10","9","2","1") = "9"
    & skf18("6","2","9","10","9","3","1") = "9"
    & skf18("6","2","9","10","9","4","1") = "9"
    & skf18("6","2","9","10","9","5","1") = "9"
    & skf18("6","2","9","10","9","6","1") = "9"
    & skf18("6","2","9","10","9","7","1") = "9"
    & skf18("6","2","9","10","9","8","1") = "9"
    & skf18("6","2","9","10","9","9","1") = "9"
    & skf18("6","2","9","10","9","10","1") = "9"
    & skf18("6","2","9","10","10","1","1") = "9"
    & skf18("6","2","9","10","10","2","1") = "9"
    & skf18("6","2","9","10","10","3","1") = "9"
    & skf18("6","2","9","10","10","4","1") = "9"
    & skf18("6","2","9","10","10","5","1") = "9"
    & skf18("6","2","9","10","10","6","1") = "9"
    & skf18("6","2","9","10","10","7","1") = "9"
    & skf18("6","2","9","10","10","8","1") = "9"
    & skf18("6","2","9","10","10","9","1") = "9"
    & skf18("6","2","9","10","10","10","1") = "9"
    & skf18("6","2","10","1","1","1","1") = "9"
    & skf18("6","2","10","1","1","2","1") = "9"
    & skf18("6","2","10","1","1","3","1") = "9"
    & skf18("6","2","10","1","1","4","1") = "9"
    & skf18("6","2","10","1","1","5","1") = "9"
    & skf18("6","2","10","1","1","6","1") = "9"
    & skf18("6","2","10","1","1","7","1") = "9"
    & skf18("6","2","10","1","1","8","1") = "9"
    & skf18("6","2","10","1","1","9","1") = "9"
    & skf18("6","2","10","1","1","10","1") = "9"
    & skf18("6","2","10","1","2","1","1") = "9"
    & skf18("6","2","10","1","2","2","1") = "9"
    & skf18("6","2","10","1","2","3","1") = "9"
    & skf18("6","2","10","1","2","4","1") = "9"
    & skf18("6","2","10","1","2","5","1") = "9"
    & skf18("6","2","10","1","2","6","1") = "9"
    & skf18("6","2","10","1","2","7","1") = "9"
    & skf18("6","2","10","1","2","8","1") = "9"
    & skf18("6","2","10","1","2","9","1") = "9"
    & skf18("6","2","10","1","2","10","1") = "9"
    & skf18("6","2","10","1","3","1","1") = "9"
    & skf18("6","2","10","1","3","2","1") = "9"
    & skf18("6","2","10","1","3","3","1") = "9"
    & skf18("6","2","10","1","3","4","1") = "9"
    & skf18("6","2","10","1","3","5","1") = "9"
    & skf18("6","2","10","1","3","6","1") = "9"
    & skf18("6","2","10","1","3","7","1") = "9"
    & skf18("6","2","10","1","3","8","1") = "9"
    & skf18("6","2","10","1","3","9","1") = "9"
    & skf18("6","2","10","1","3","10","1") = "9"
    & skf18("6","2","10","1","4","1","1") = "9"
    & skf18("6","2","10","1","4","2","1") = "9"
    & skf18("6","2","10","1","4","3","1") = "9"
    & skf18("6","2","10","1","4","4","1") = "9"
    & skf18("6","2","10","1","4","5","1") = "9"
    & skf18("6","2","10","1","4","6","1") = "9"
    & skf18("6","2","10","1","4","7","1") = "9"
    & skf18("6","2","10","1","4","8","1") = "9"
    & skf18("6","2","10","1","4","9","1") = "9"
    & skf18("6","2","10","1","4","10","1") = "9"
    & skf18("6","2","10","1","5","1","1") = "9"
    & skf18("6","2","10","1","5","2","1") = "9"
    & skf18("6","2","10","1","5","3","1") = "9"
    & skf18("6","2","10","1","5","4","1") = "9"
    & skf18("6","2","10","1","5","5","1") = "9"
    & skf18("6","2","10","1","5","6","1") = "9"
    & skf18("6","2","10","1","5","7","1") = "9"
    & skf18("6","2","10","1","5","8","1") = "9"
    & skf18("6","2","10","1","5","9","1") = "9"
    & skf18("6","2","10","1","5","10","1") = "9"
    & skf18("6","2","10","1","6","1","1") = "9"
    & skf18("6","2","10","1","6","2","1") = "9"
    & skf18("6","2","10","1","6","3","1") = "9"
    & skf18("6","2","10","1","6","4","1") = "9"
    & skf18("6","2","10","1","6","5","1") = "9"
    & skf18("6","2","10","1","6","6","1") = "9"
    & skf18("6","2","10","1","6","7","1") = "9"
    & skf18("6","2","10","1","6","8","1") = "9"
    & skf18("6","2","10","1","6","9","1") = "9"
    & skf18("6","2","10","1","6","10","1") = "9"
    & skf18("6","2","10","1","7","1","1") = "9"
    & skf18("6","2","10","1","7","2","1") = "9"
    & skf18("6","2","10","1","7","3","1") = "9"
    & skf18("6","2","10","1","7","4","1") = "9"
    & skf18("6","2","10","1","7","5","1") = "9"
    & skf18("6","2","10","1","7","6","1") = "9"
    & skf18("6","2","10","1","7","7","1") = "9"
    & skf18("6","2","10","1","7","8","1") = "9"
    & skf18("6","2","10","1","7","9","1") = "9"
    & skf18("6","2","10","1","7","10","1") = "9"
    & skf18("6","2","10","1","8","1","1") = "9"
    & skf18("6","2","10","1","8","2","1") = "9"
    & skf18("6","2","10","1","8","3","1") = "9"
    & skf18("6","2","10","1","8","4","1") = "9"
    & skf18("6","2","10","1","8","5","1") = "9"
    & skf18("6","2","10","1","8","6","1") = "9"
    & skf18("6","2","10","1","8","7","1") = "9"
    & skf18("6","2","10","1","8","8","1") = "9"
    & skf18("6","2","10","1","8","9","1") = "9"
    & skf18("6","2","10","1","8","10","1") = "9"
    & skf18("6","2","10","1","9","1","1") = "9"
    & skf18("6","2","10","1","9","2","1") = "9"
    & skf18("6","2","10","1","9","3","1") = "9"
    & skf18("6","2","10","1","9","4","1") = "9"
    & skf18("6","2","10","1","9","5","1") = "9"
    & skf18("6","2","10","1","9","6","1") = "9"
    & skf18("6","2","10","1","9","7","1") = "9"
    & skf18("6","2","10","1","9","8","1") = "9"
    & skf18("6","2","10","1","9","9","1") = "9"
    & skf18("6","2","10","1","9","10","1") = "9"
    & skf18("6","2","10","1","10","1","1") = "9"
    & skf18("6","2","10","1","10","2","1") = "9"
    & skf18("6","2","10","1","10","3","1") = "9"
    & skf18("6","2","10","1","10","4","1") = "9"
    & skf18("6","2","10","1","10","5","1") = "9"
    & skf18("6","2","10","1","10","6","1") = "9"
    & skf18("6","2","10","1","10","7","1") = "9"
    & skf18("6","2","10","1","10","8","1") = "9"
    & skf18("6","2","10","1","10","9","1") = "9"
    & skf18("6","2","10","1","10","10","1") = "9"
    & skf18("6","2","10","2","1","1","1") = "9"
    & skf18("6","2","10","2","1","2","1") = "9"
    & skf18("6","2","10","2","1","3","1") = "9"
    & skf18("6","2","10","2","1","4","1") = "9"
    & skf18("6","2","10","2","1","5","1") = "9"
    & skf18("6","2","10","2","1","6","1") = "9"
    & skf18("6","2","10","2","1","7","1") = "9"
    & skf18("6","2","10","2","1","8","1") = "9"
    & skf18("6","2","10","2","1","9","1") = "9"
    & skf18("6","2","10","2","1","10","1") = "9"
    & skf18("6","2","10","2","2","1","1") = "9"
    & skf18("6","2","10","2","2","2","1") = "9"
    & skf18("6","2","10","2","2","3","1") = "9"
    & skf18("6","2","10","2","2","4","1") = "9"
    & skf18("6","2","10","2","2","5","1") = "9"
    & skf18("6","2","10","2","2","6","1") = "9"
    & skf18("6","2","10","2","2","7","1") = "9"
    & skf18("6","2","10","2","2","8","1") = "9"
    & skf18("6","2","10","2","2","9","1") = "9"
    & skf18("6","2","10","2","2","10","1") = "9"
    & skf18("6","2","10","2","3","1","1") = "9"
    & skf18("6","2","10","2","3","2","1") = "9"
    & skf18("6","2","10","2","3","3","1") = "9"
    & skf18("6","2","10","2","3","4","1") = "9"
    & skf18("6","2","10","2","3","5","1") = "9"
    & skf18("6","2","10","2","3","6","1") = "9"
    & skf18("6","2","10","2","3","7","1") = "9"
    & skf18("6","2","10","2","3","8","1") = "9"
    & skf18("6","2","10","2","3","9","1") = "9"
    & skf18("6","2","10","2","3","10","1") = "9"
    & skf18("6","2","10","2","4","1","1") = "9"
    & skf18("6","2","10","2","4","2","1") = "9"
    & skf18("6","2","10","2","4","3","1") = "9"
    & skf18("6","2","10","2","4","4","1") = "9"
    & skf18("6","2","10","2","4","5","1") = "9"
    & skf18("6","2","10","2","4","6","1") = "9"
    & skf18("6","2","10","2","4","7","1") = "9"
    & skf18("6","2","10","2","4","8","1") = "9"
    & skf18("6","2","10","2","4","9","1") = "9"
    & skf18("6","2","10","2","4","10","1") = "9"
    & skf18("6","2","10","2","5","1","1") = "9"
    & skf18("6","2","10","2","5","2","1") = "9"
    & skf18("6","2","10","2","5","3","1") = "9"
    & skf18("6","2","10","2","5","4","1") = "9"
    & skf18("6","2","10","2","5","5","1") = "9"
    & skf18("6","2","10","2","5","6","1") = "9"
    & skf18("6","2","10","2","5","7","1") = "9"
    & skf18("6","2","10","2","5","8","1") = "9"
    & skf18("6","2","10","2","5","9","1") = "9"
    & skf18("6","2","10","2","5","10","1") = "9"
    & skf18("6","2","10","2","6","1","1") = "9"
    & skf18("6","2","10","2","6","2","1") = "9"
    & skf18("6","2","10","2","6","3","1") = "9"
    & skf18("6","2","10","2","6","4","1") = "9"
    & skf18("6","2","10","2","6","5","1") = "9"
    & skf18("6","2","10","2","6","6","1") = "9"
    & skf18("6","2","10","2","6","7","1") = "9"
    & skf18("6","2","10","2","6","8","1") = "9"
    & skf18("6","2","10","2","6","9","1") = "9"
    & skf18("6","2","10","2","6","10","1") = "9"
    & skf18("6","2","10","2","7","1","1") = "9"
    & skf18("6","2","10","2","7","2","1") = "9"
    & skf18("6","2","10","2","7","3","1") = "9"
    & skf18("6","2","10","2","7","4","1") = "9"
    & skf18("6","2","10","2","7","5","1") = "9"
    & skf18("6","2","10","2","7","6","1") = "9"
    & skf18("6","2","10","2","7","7","1") = "9"
    & skf18("6","2","10","2","7","8","1") = "9"
    & skf18("6","2","10","2","7","9","1") = "9"
    & skf18("6","2","10","2","7","10","1") = "9"
    & skf18("6","2","10","2","8","1","1") = "9"
    & skf18("6","2","10","2","8","2","1") = "9"
    & skf18("6","2","10","2","8","3","1") = "9"
    & skf18("6","2","10","2","8","4","1") = "9"
    & skf18("6","2","10","2","8","5","1") = "9"
    & skf18("6","2","10","2","8","6","1") = "9"
    & skf18("6","2","10","2","8","7","1") = "9"
    & skf18("6","2","10","2","8","8","1") = "9"
    & skf18("6","2","10","2","8","9","1") = "9"
    & skf18("6","2","10","2","8","10","1") = "9"
    & skf18("6","2","10","2","9","1","1") = "9"
    & skf18("6","2","10","2","9","2","1") = "9"
    & skf18("6","2","10","2","9","3","1") = "9"
    & skf18("6","2","10","2","9","4","1") = "9"
    & skf18("6","2","10","2","9","5","1") = "9"
    & skf18("6","2","10","2","9","6","1") = "9"
    & skf18("6","2","10","2","9","7","1") = "9"
    & skf18("6","2","10","2","9","8","1") = "9"
    & skf18("6","2","10","2","9","9","1") = "9"
    & skf18("6","2","10","2","9","10","1") = "9"
    & skf18("6","2","10","2","10","1","1") = "9"
    & skf18("6","2","10","2","10","2","1") = "9"
    & skf18("6","2","10","2","10","3","1") = "9"
    & skf18("6","2","10","2","10","4","1") = "9"
    & skf18("6","2","10","2","10","5","1") = "9"
    & skf18("6","2","10","2","10","6","1") = "9"
    & skf18("6","2","10","2","10","7","1") = "9"
    & skf18("6","2","10","2","10","8","1") = "9"
    & skf18("6","2","10","2","10","9","1") = "9"
    & skf18("6","2","10","2","10","10","1") = "9"
    & skf18("6","2","10","3","1","1","1") = "9"
    & skf18("6","2","10","3","1","2","1") = "9"
    & skf18("6","2","10","3","1","3","1") = "9"
    & skf18("6","2","10","3","1","4","1") = "9"
    & skf18("6","2","10","3","1","5","1") = "9"
    & skf18("6","2","10","3","1","6","1") = "9"
    & skf18("6","2","10","3","1","7","1") = "9"
    & skf18("6","2","10","3","1","8","1") = "9"
    & skf18("6","2","10","3","1","9","1") = "9"
    & skf18("6","2","10","3","1","10","1") = "9"
    & skf18("6","2","10","3","2","1","1") = "9"
    & skf18("6","2","10","3","2","2","1") = "9"
    & skf18("6","2","10","3","2","3","1") = "9"
    & skf18("6","2","10","3","2","4","1") = "9"
    & skf18("6","2","10","3","2","5","1") = "9"
    & skf18("6","2","10","3","2","6","1") = "9"
    & skf18("6","2","10","3","2","7","1") = "9"
    & skf18("6","2","10","3","2","8","1") = "9"
    & skf18("6","2","10","3","2","9","1") = "9"
    & skf18("6","2","10","3","2","10","1") = "9"
    & skf18("6","2","10","3","3","1","1") = "9"
    & skf18("6","2","10","3","3","2","1") = "9"
    & skf18("6","2","10","3","3","3","1") = "9"
    & skf18("6","2","10","3","3","4","1") = "9"
    & skf18("6","2","10","3","3","5","1") = "9"
    & skf18("6","2","10","3","3","6","1") = "9"
    & skf18("6","2","10","3","3","7","1") = "9"
    & skf18("6","2","10","3","3","8","1") = "9"
    & skf18("6","2","10","3","3","9","1") = "9"
    & skf18("6","2","10","3","3","10","1") = "9"
    & skf18("6","2","10","3","4","1","1") = "9"
    & skf18("6","2","10","3","4","2","1") = "9"
    & skf18("6","2","10","3","4","3","1") = "9"
    & skf18("6","2","10","3","4","4","1") = "9"
    & skf18("6","2","10","3","4","5","1") = "9"
    & skf18("6","2","10","3","4","6","1") = "9"
    & skf18("6","2","10","3","4","7","1") = "9"
    & skf18("6","2","10","3","4","8","1") = "9"
    & skf18("6","2","10","3","4","9","1") = "9"
    & skf18("6","2","10","3","4","10","1") = "9"
    & skf18("6","2","10","3","5","1","1") = "9"
    & skf18("6","2","10","3","5","2","1") = "9"
    & skf18("6","2","10","3","5","3","1") = "9"
    & skf18("6","2","10","3","5","4","1") = "9"
    & skf18("6","2","10","3","5","5","1") = "9"
    & skf18("6","2","10","3","5","6","1") = "9"
    & skf18("6","2","10","3","5","7","1") = "9"
    & skf18("6","2","10","3","5","8","1") = "9"
    & skf18("6","2","10","3","5","9","1") = "9"
    & skf18("6","2","10","3","5","10","1") = "9"
    & skf18("6","2","10","3","6","1","1") = "9"
    & skf18("6","2","10","3","6","2","1") = "9"
    & skf18("6","2","10","3","6","3","1") = "9"
    & skf18("6","2","10","3","6","4","1") = "9"
    & skf18("6","2","10","3","6","5","1") = "9"
    & skf18("6","2","10","3","6","6","1") = "9"
    & skf18("6","2","10","3","6","7","1") = "9"
    & skf18("6","2","10","3","6","8","1") = "9"
    & skf18("6","2","10","3","6","9","1") = "9"
    & skf18("6","2","10","3","6","10","1") = "9"
    & skf18("6","2","10","3","7","1","1") = "9"
    & skf18("6","2","10","3","7","2","1") = "9"
    & skf18("6","2","10","3","7","3","1") = "9"
    & skf18("6","2","10","3","7","4","1") = "9"
    & skf18("6","2","10","3","7","5","1") = "9"
    & skf18("6","2","10","3","7","6","1") = "9"
    & skf18("6","2","10","3","7","7","1") = "9"
    & skf18("6","2","10","3","7","8","1") = "9"
    & skf18("6","2","10","3","7","9","1") = "9"
    & skf18("6","2","10","3","7","10","1") = "9"
    & skf18("6","2","10","3","8","1","1") = "9"
    & skf18("6","2","10","3","8","2","1") = "9"
    & skf18("6","2","10","3","8","3","1") = "9"
    & skf18("6","2","10","3","8","4","1") = "9"
    & skf18("6","2","10","3","8","5","1") = "9"
    & skf18("6","2","10","3","8","6","1") = "9"
    & skf18("6","2","10","3","8","7","1") = "9"
    & skf18("6","2","10","3","8","8","1") = "9"
    & skf18("6","2","10","3","8","9","1") = "9"
    & skf18("6","2","10","3","8","10","1") = "9"
    & skf18("6","2","10","3","9","1","1") = "9"
    & skf18("6","2","10","3","9","2","1") = "9"
    & skf18("6","2","10","3","9","3","1") = "9"
    & skf18("6","2","10","3","9","4","1") = "9"
    & skf18("6","2","10","3","9","5","1") = "9"
    & skf18("6","2","10","3","9","6","1") = "9"
    & skf18("6","2","10","3","9","7","1") = "9"
    & skf18("6","2","10","3","9","8","1") = "9"
    & skf18("6","2","10","3","9","9","1") = "9"
    & skf18("6","2","10","3","9","10","1") = "9"
    & skf18("6","2","10","3","10","1","1") = "9"
    & skf18("6","2","10","3","10","2","1") = "9"
    & skf18("6","2","10","3","10","3","1") = "9"
    & skf18("6","2","10","3","10","4","1") = "9"
    & skf18("6","2","10","3","10","5","1") = "9"
    & skf18("6","2","10","3","10","6","1") = "9"
    & skf18("6","2","10","3","10","7","1") = "9"
    & skf18("6","2","10","3","10","8","1") = "9"
    & skf18("6","2","10","3","10","9","1") = "9"
    & skf18("6","2","10","3","10","10","1") = "9"
    & skf18("6","2","10","4","1","1","1") = "9"
    & skf18("6","2","10","4","1","2","1") = "9"
    & skf18("6","2","10","4","1","3","1") = "9"
    & skf18("6","2","10","4","1","4","1") = "9"
    & skf18("6","2","10","4","1","5","1") = "9"
    & skf18("6","2","10","4","1","6","1") = "9"
    & skf18("6","2","10","4","1","7","1") = "9"
    & skf18("6","2","10","4","1","8","1") = "9"
    & skf18("6","2","10","4","1","9","1") = "9"
    & skf18("6","2","10","4","1","10","1") = "9"
    & skf18("6","2","10","4","2","1","1") = "9"
    & skf18("6","2","10","4","2","2","1") = "9"
    & skf18("6","2","10","4","2","3","1") = "9"
    & skf18("6","2","10","4","2","4","1") = "9"
    & skf18("6","2","10","4","2","5","1") = "9"
    & skf18("6","2","10","4","2","6","1") = "9"
    & skf18("6","2","10","4","2","7","1") = "9"
    & skf18("6","2","10","4","2","8","1") = "9"
    & skf18("6","2","10","4","2","9","1") = "9"
    & skf18("6","2","10","4","2","10","1") = "9"
    & skf18("6","2","10","4","3","1","1") = "9"
    & skf18("6","2","10","4","3","2","1") = "9"
    & skf18("6","2","10","4","3","3","1") = "9"
    & skf18("6","2","10","4","3","4","1") = "9"
    & skf18("6","2","10","4","3","5","1") = "9"
    & skf18("6","2","10","4","3","6","1") = "9"
    & skf18("6","2","10","4","3","7","1") = "9"
    & skf18("6","2","10","4","3","8","1") = "9"
    & skf18("6","2","10","4","3","9","1") = "9"
    & skf18("6","2","10","4","3","10","1") = "9"
    & skf18("6","2","10","4","4","1","1") = "9"
    & skf18("6","2","10","4","4","2","1") = "9"
    & skf18("6","2","10","4","4","3","1") = "9"
    & skf18("6","2","10","4","4","4","1") = "9"
    & skf18("6","2","10","4","4","5","1") = "9"
    & skf18("6","2","10","4","4","6","1") = "9"
    & skf18("6","2","10","4","4","7","1") = "9"
    & skf18("6","2","10","4","4","8","1") = "9"
    & skf18("6","2","10","4","4","9","1") = "9"
    & skf18("6","2","10","4","4","10","1") = "9"
    & skf18("6","2","10","4","5","1","1") = "9"
    & skf18("6","2","10","4","5","2","1") = "9"
    & skf18("6","2","10","4","5","3","1") = "9"
    & skf18("6","2","10","4","5","4","1") = "9"
    & skf18("6","2","10","4","5","5","1") = "9"
    & skf18("6","2","10","4","5","6","1") = "9"
    & skf18("6","2","10","4","5","7","1") = "9"
    & skf18("6","2","10","4","5","8","1") = "9"
    & skf18("6","2","10","4","5","9","1") = "9"
    & skf18("6","2","10","4","5","10","1") = "9"
    & skf18("6","2","10","4","6","1","1") = "9"
    & skf18("6","2","10","4","6","2","1") = "9"
    & skf18("6","2","10","4","6","3","1") = "9"
    & skf18("6","2","10","4","6","4","1") = "9"
    & skf18("6","2","10","4","6","5","1") = "9"
    & skf18("6","2","10","4","6","6","1") = "9"
    & skf18("6","2","10","4","6","7","1") = "9"
    & skf18("6","2","10","4","6","8","1") = "9"
    & skf18("6","2","10","4","6","9","1") = "9"
    & skf18("6","2","10","4","6","10","1") = "9"
    & skf18("6","2","10","4","7","1","1") = "9"
    & skf18("6","2","10","4","7","2","1") = "9"
    & skf18("6","2","10","4","7","3","1") = "9"
    & skf18("6","2","10","4","7","4","1") = "9"
    & skf18("6","2","10","4","7","5","1") = "9"
    & skf18("6","2","10","4","7","6","1") = "9"
    & skf18("6","2","10","4","7","7","1") = "9"
    & skf18("6","2","10","4","7","8","1") = "9"
    & skf18("6","2","10","4","7","9","1") = "9"
    & skf18("6","2","10","4","7","10","1") = "9"
    & skf18("6","2","10","4","8","1","1") = "9"
    & skf18("6","2","10","4","8","2","1") = "9"
    & skf18("6","2","10","4","8","3","1") = "9"
    & skf18("6","2","10","4","8","4","1") = "9"
    & skf18("6","2","10","4","8","5","1") = "9"
    & skf18("6","2","10","4","8","6","1") = "9"
    & skf18("6","2","10","4","8","7","1") = "9"
    & skf18("6","2","10","4","8","8","1") = "9"
    & skf18("6","2","10","4","8","9","1") = "9"
    & skf18("6","2","10","4","8","10","1") = "9"
    & skf18("6","2","10","4","9","1","1") = "9"
    & skf18("6","2","10","4","9","2","1") = "9"
    & skf18("6","2","10","4","9","3","1") = "9"
    & skf18("6","2","10","4","9","4","1") = "9"
    & skf18("6","2","10","4","9","5","1") = "9"
    & skf18("6","2","10","4","9","6","1") = "9"
    & skf18("6","2","10","4","9","7","1") = "9"
    & skf18("6","2","10","4","9","8","1") = "9"
    & skf18("6","2","10","4","9","9","1") = "9"
    & skf18("6","2","10","4","9","10","1") = "9"
    & skf18("6","2","10","4","10","1","1") = "9"
    & skf18("6","2","10","4","10","2","1") = "9"
    & skf18("6","2","10","4","10","3","1") = "9"
    & skf18("6","2","10","4","10","4","1") = "9"
    & skf18("6","2","10","4","10","5","1") = "9"
    & skf18("6","2","10","4","10","6","1") = "9"
    & skf18("6","2","10","4","10","7","1") = "9"
    & skf18("6","2","10","4","10","8","1") = "9"
    & skf18("6","2","10","4","10","9","1") = "9"
    & skf18("6","2","10","4","10","10","1") = "9"
    & skf18("6","2","10","5","1","1","1") = "9"
    & skf18("6","2","10","5","1","2","1") = "9"
    & skf18("6","2","10","5","1","3","1") = "9"
    & skf18("6","2","10","5","1","4","1") = "9"
    & skf18("6","2","10","5","1","5","1") = "9"
    & skf18("6","2","10","5","1","6","1") = "9"
    & skf18("6","2","10","5","1","7","1") = "9"
    & skf18("6","2","10","5","1","8","1") = "9"
    & skf18("6","2","10","5","1","9","1") = "9"
    & skf18("6","2","10","5","1","10","1") = "9"
    & skf18("6","2","10","5","2","1","1") = "9"
    & skf18("6","2","10","5","2","2","1") = "9"
    & skf18("6","2","10","5","2","3","1") = "9"
    & skf18("6","2","10","5","2","4","1") = "9"
    & skf18("6","2","10","5","2","5","1") = "9"
    & skf18("6","2","10","5","2","6","1") = "9"
    & skf18("6","2","10","5","2","7","1") = "9"
    & skf18("6","2","10","5","2","8","1") = "9"
    & skf18("6","2","10","5","2","9","1") = "9"
    & skf18("6","2","10","5","2","10","1") = "9"
    & skf18("6","2","10","5","3","1","1") = "9"
    & skf18("6","2","10","5","3","2","1") = "9"
    & skf18("6","2","10","5","3","3","1") = "9"
    & skf18("6","2","10","5","3","4","1") = "9"
    & skf18("6","2","10","5","3","5","1") = "9"
    & skf18("6","2","10","5","3","6","1") = "9"
    & skf18("6","2","10","5","3","7","1") = "9"
    & skf18("6","2","10","5","3","8","1") = "9"
    & skf18("6","2","10","5","3","9","1") = "9"
    & skf18("6","2","10","5","3","10","1") = "9"
    & skf18("6","2","10","5","4","1","1") = "9"
    & skf18("6","2","10","5","4","2","1") = "9"
    & skf18("6","2","10","5","4","3","1") = "9"
    & skf18("6","2","10","5","4","4","1") = "9"
    & skf18("6","2","10","5","4","5","1") = "9"
    & skf18("6","2","10","5","4","6","1") = "9"
    & skf18("6","2","10","5","4","7","1") = "9"
    & skf18("6","2","10","5","4","8","1") = "9"
    & skf18("6","2","10","5","4","9","1") = "9"
    & skf18("6","2","10","5","4","10","1") = "9"
    & skf18("6","2","10","5","5","1","1") = "9"
    & skf18("6","2","10","5","5","2","1") = "9"
    & skf18("6","2","10","5","5","3","1") = "9"
    & skf18("6","2","10","5","5","4","1") = "9"
    & skf18("6","2","10","5","5","5","1") = "9"
    & skf18("6","2","10","5","5","6","1") = "9"
    & skf18("6","2","10","5","5","7","1") = "9"
    & skf18("6","2","10","5","5","8","1") = "9"
    & skf18("6","2","10","5","5","9","1") = "9"
    & skf18("6","2","10","5","5","10","1") = "9"
    & skf18("6","2","10","5","6","1","1") = "9"
    & skf18("6","2","10","5","6","2","1") = "9"
    & skf18("6","2","10","5","6","3","1") = "9"
    & skf18("6","2","10","5","6","4","1") = "9"
    & skf18("6","2","10","5","6","5","1") = "9"
    & skf18("6","2","10","5","6","6","1") = "9"
    & skf18("6","2","10","5","6","7","1") = "9"
    & skf18("6","2","10","5","6","8","1") = "9"
    & skf18("6","2","10","5","6","9","1") = "9"
    & skf18("6","2","10","5","6","10","1") = "9"
    & skf18("6","2","10","5","7","1","1") = "9"
    & skf18("6","2","10","5","7","2","1") = "9"
    & skf18("6","2","10","5","7","3","1") = "9"
    & skf18("6","2","10","5","7","4","1") = "9"
    & skf18("6","2","10","5","7","5","1") = "9"
    & skf18("6","2","10","5","7","6","1") = "9"
    & skf18("6","2","10","5","7","7","1") = "9"
    & skf18("6","2","10","5","7","8","1") = "9"
    & skf18("6","2","10","5","7","9","1") = "9"
    & skf18("6","2","10","5","7","10","1") = "9"
    & skf18("6","2","10","5","8","1","1") = "9"
    & skf18("6","2","10","5","8","2","1") = "9"
    & skf18("6","2","10","5","8","3","1") = "9"
    & skf18("6","2","10","5","8","4","1") = "9"
    & skf18("6","2","10","5","8","5","1") = "9"
    & skf18("6","2","10","5","8","6","1") = "9"
    & skf18("6","2","10","5","8","7","1") = "9"
    & skf18("6","2","10","5","8","8","1") = "9"
    & skf18("6","2","10","5","8","9","1") = "9"
    & skf18("6","2","10","5","8","10","1") = "9"
    & skf18("6","2","10","5","9","1","1") = "9"
    & skf18("6","2","10","5","9","2","1") = "9"
    & skf18("6","2","10","5","9","3","1") = "9"
    & skf18("6","2","10","5","9","4","1") = "9"
    & skf18("6","2","10","5","9","5","1") = "9"
    & skf18("6","2","10","5","9","6","1") = "9"
    & skf18("6","2","10","5","9","7","1") = "9"
    & skf18("6","2","10","5","9","8","1") = "9"
    & skf18("6","2","10","5","9","9","1") = "9"
    & skf18("6","2","10","5","9","10","1") = "9"
    & skf18("6","2","10","5","10","1","1") = "9"
    & skf18("6","2","10","5","10","2","1") = "9"
    & skf18("6","2","10","5","10","3","1") = "9"
    & skf18("6","2","10","5","10","4","1") = "9"
    & skf18("6","2","10","5","10","5","1") = "9"
    & skf18("6","2","10","5","10","6","1") = "9"
    & skf18("6","2","10","5","10","7","1") = "9"
    & skf18("6","2","10","5","10","8","1") = "9"
    & skf18("6","2","10","5","10","9","1") = "9"
    & skf18("6","2","10","5","10","10","1") = "9"
    & skf18("6","2","10","6","1","1","1") = "9"
    & skf18("6","2","10","6","1","2","1") = "9"
    & skf18("6","2","10","6","1","3","1") = "9"
    & skf18("6","2","10","6","1","4","1") = "9"
    & skf18("6","2","10","6","1","5","1") = "9"
    & skf18("6","2","10","6","1","6","1") = "9"
    & skf18("6","2","10","6","1","7","1") = "9"
    & skf18("6","2","10","6","1","8","1") = "9"
    & skf18("6","2","10","6","1","9","1") = "9"
    & skf18("6","2","10","6","1","10","1") = "9"
    & skf18("6","2","10","6","2","1","1") = "9"
    & skf18("6","2","10","6","2","2","1") = "9"
    & skf18("6","2","10","6","2","3","1") = "9"
    & skf18("6","2","10","6","2","4","1") = "9"
    & skf18("6","2","10","6","2","5","1") = "9"
    & skf18("6","2","10","6","2","6","1") = "9"
    & skf18("6","2","10","6","2","7","1") = "9"
    & skf18("6","2","10","6","2","8","1") = "9"
    & skf18("6","2","10","6","2","9","1") = "9"
    & skf18("6","2","10","6","2","10","1") = "9"
    & skf18("6","2","10","6","3","1","1") = "9"
    & skf18("6","2","10","6","3","2","1") = "9"
    & skf18("6","2","10","6","3","3","1") = "9"
    & skf18("6","2","10","6","3","4","1") = "9"
    & skf18("6","2","10","6","3","5","1") = "9"
    & skf18("6","2","10","6","3","6","1") = "9"
    & skf18("6","2","10","6","3","7","1") = "9"
    & skf18("6","2","10","6","3","8","1") = "9"
    & skf18("6","2","10","6","3","9","1") = "9"
    & skf18("6","2","10","6","3","10","1") = "9"
    & skf18("6","2","10","6","4","1","1") = "9"
    & skf18("6","2","10","6","4","2","1") = "9"
    & skf18("6","2","10","6","4","3","1") = "9"
    & skf18("6","2","10","6","4","4","1") = "9"
    & skf18("6","2","10","6","4","5","1") = "9"
    & skf18("6","2","10","6","4","6","1") = "9"
    & skf18("6","2","10","6","4","7","1") = "9"
    & skf18("6","2","10","6","4","8","1") = "9"
    & skf18("6","2","10","6","4","9","1") = "9"
    & skf18("6","2","10","6","4","10","1") = "9"
    & skf18("6","2","10","6","5","1","1") = "9"
    & skf18("6","2","10","6","5","2","1") = "9"
    & skf18("6","2","10","6","5","3","1") = "9"
    & skf18("6","2","10","6","5","4","1") = "9"
    & skf18("6","2","10","6","5","5","1") = "9"
    & skf18("6","2","10","6","5","6","1") = "9"
    & skf18("6","2","10","6","5","7","1") = "9"
    & skf18("6","2","10","6","5","8","1") = "9"
    & skf18("6","2","10","6","5","9","1") = "9"
    & skf18("6","2","10","6","5","10","1") = "9"
    & skf18("6","2","10","6","6","1","1") = "9"
    & skf18("6","2","10","6","6","2","1") = "9"
    & skf18("6","2","10","6","6","3","1") = "9"
    & skf18("6","2","10","6","6","4","1") = "9"
    & skf18("6","2","10","6","6","5","1") = "9"
    & skf18("6","2","10","6","6","6","1") = "9"
    & skf18("6","2","10","6","6","7","1") = "9"
    & skf18("6","2","10","6","6","8","1") = "9"
    & skf18("6","2","10","6","6","9","1") = "9"
    & skf18("6","2","10","6","6","10","1") = "9"
    & skf18("6","2","10","6","7","1","1") = "9"
    & skf18("6","2","10","6","7","2","1") = "9"
    & skf18("6","2","10","6","7","3","1") = "9"
    & skf18("6","2","10","6","7","4","1") = "9"
    & skf18("6","2","10","6","7","5","1") = "9"
    & skf18("6","2","10","6","7","6","1") = "9"
    & skf18("6","2","10","6","7","7","1") = "9"
    & skf18("6","2","10","6","7","8","1") = "9"
    & skf18("6","2","10","6","7","9","1") = "9"
    & skf18("6","2","10","6","7","10","1") = "9"
    & skf18("6","2","10","6","8","1","1") = "9"
    & skf18("6","2","10","6","8","2","1") = "9"
    & skf18("6","2","10","6","8","3","1") = "9"
    & skf18("6","2","10","6","8","4","1") = "9"
    & skf18("6","2","10","6","8","5","1") = "9"
    & skf18("6","2","10","6","8","6","1") = "9"
    & skf18("6","2","10","6","8","7","1") = "9"
    & skf18("6","2","10","6","8","8","1") = "9"
    & skf18("6","2","10","6","8","9","1") = "9"
    & skf18("6","2","10","6","8","10","1") = "9"
    & skf18("6","2","10","6","9","1","1") = "9"
    & skf18("6","2","10","6","9","2","1") = "9"
    & skf18("6","2","10","6","9","3","1") = "9"
    & skf18("6","2","10","6","9","4","1") = "9"
    & skf18("6","2","10","6","9","5","1") = "9"
    & skf18("6","2","10","6","9","6","1") = "9"
    & skf18("6","2","10","6","9","7","1") = "9"
    & skf18("6","2","10","6","9","8","1") = "9"
    & skf18("6","2","10","6","9","9","1") = "9"
    & skf18("6","2","10","6","9","10","1") = "9"
    & skf18("6","2","10","6","10","1","1") = "9"
    & skf18("6","2","10","6","10","2","1") = "9"
    & skf18("6","2","10","6","10","3","1") = "9"
    & skf18("6","2","10","6","10","4","1") = "9"
    & skf18("6","2","10","6","10","5","1") = "9"
    & skf18("6","2","10","6","10","6","1") = "9"
    & skf18("6","2","10","6","10","7","1") = "9"
    & skf18("6","2","10","6","10","8","1") = "9"
    & skf18("6","2","10","6","10","9","1") = "9"
    & skf18("6","2","10","6","10","10","1") = "9"
    & skf18("6","2","10","7","1","1","1") = "9"
    & skf18("6","2","10","7","1","2","1") = "9"
    & skf18("6","2","10","7","1","3","1") = "9"
    & skf18("6","2","10","7","1","4","1") = "9"
    & skf18("6","2","10","7","1","5","1") = "9"
    & skf18("6","2","10","7","1","6","1") = "9"
    & skf18("6","2","10","7","1","7","1") = "9"
    & skf18("6","2","10","7","1","8","1") = "9"
    & skf18("6","2","10","7","1","9","1") = "9"
    & skf18("6","2","10","7","1","10","1") = "9"
    & skf18("6","2","10","7","2","1","1") = "9"
    & skf18("6","2","10","7","2","2","1") = "9"
    & skf18("6","2","10","7","2","3","1") = "9"
    & skf18("6","2","10","7","2","4","1") = "9"
    & skf18("6","2","10","7","2","5","1") = "9"
    & skf18("6","2","10","7","2","6","1") = "9"
    & skf18("6","2","10","7","2","7","1") = "9"
    & skf18("6","2","10","7","2","8","1") = "9"
    & skf18("6","2","10","7","2","9","1") = "9"
    & skf18("6","2","10","7","2","10","1") = "9"
    & skf18("6","2","10","7","3","1","1") = "9"
    & skf18("6","2","10","7","3","2","1") = "9"
    & skf18("6","2","10","7","3","3","1") = "9"
    & skf18("6","2","10","7","3","4","1") = "9"
    & skf18("6","2","10","7","3","5","1") = "9"
    & skf18("6","2","10","7","3","6","1") = "9"
    & skf18("6","2","10","7","3","7","1") = "9"
    & skf18("6","2","10","7","3","8","1") = "9"
    & skf18("6","2","10","7","3","9","1") = "9"
    & skf18("6","2","10","7","3","10","1") = "9"
    & skf18("6","2","10","7","4","1","1") = "9"
    & skf18("6","2","10","7","4","2","1") = "9"
    & skf18("6","2","10","7","4","3","1") = "9"
    & skf18("6","2","10","7","4","4","1") = "9"
    & skf18("6","2","10","7","4","5","1") = "9"
    & skf18("6","2","10","7","4","6","1") = "9"
    & skf18("6","2","10","7","4","7","1") = "9"
    & skf18("6","2","10","7","4","8","1") = "9"
    & skf18("6","2","10","7","4","9","1") = "9"
    & skf18("6","2","10","7","4","10","1") = "9"
    & skf18("6","2","10","7","5","1","1") = "9"
    & skf18("6","2","10","7","5","2","1") = "9"
    & skf18("6","2","10","7","5","3","1") = "9"
    & skf18("6","2","10","7","5","4","1") = "9"
    & skf18("6","2","10","7","5","5","1") = "9"
    & skf18("6","2","10","7","5","6","1") = "9"
    & skf18("6","2","10","7","5","7","1") = "9"
    & skf18("6","2","10","7","5","8","1") = "9"
    & skf18("6","2","10","7","5","9","1") = "9"
    & skf18("6","2","10","7","5","10","1") = "9"
    & skf18("6","2","10","7","6","1","1") = "9"
    & skf18("6","2","10","7","6","2","1") = "9"
    & skf18("6","2","10","7","6","3","1") = "9"
    & skf18("6","2","10","7","6","4","1") = "9"
    & skf18("6","2","10","7","6","5","1") = "9"
    & skf18("6","2","10","7","6","6","1") = "9"
    & skf18("6","2","10","7","6","7","1") = "9"
    & skf18("6","2","10","7","6","8","1") = "9"
    & skf18("6","2","10","7","6","9","1") = "9"
    & skf18("6","2","10","7","6","10","1") = "9"
    & skf18("6","2","10","7","7","1","1") = "9"
    & skf18("6","2","10","7","7","2","1") = "9"
    & skf18("6","2","10","7","7","3","1") = "9"
    & skf18("6","2","10","7","7","4","1") = "9"
    & skf18("6","2","10","7","7","5","1") = "9"
    & skf18("6","2","10","7","7","6","1") = "9"
    & skf18("6","2","10","7","7","7","1") = "9"
    & skf18("6","2","10","7","7","8","1") = "9"
    & skf18("6","2","10","7","7","9","1") = "9"
    & skf18("6","2","10","7","7","10","1") = "9"
    & skf18("6","2","10","7","8","1","1") = "9"
    & skf18("6","2","10","7","8","2","1") = "9"
    & skf18("6","2","10","7","8","3","1") = "9"
    & skf18("6","2","10","7","8","4","1") = "9"
    & skf18("6","2","10","7","8","5","1") = "9"
    & skf18("6","2","10","7","8","6","1") = "9"
    & skf18("6","2","10","7","8","7","1") = "9"
    & skf18("6","2","10","7","8","8","1") = "9"
    & skf18("6","2","10","7","8","9","1") = "9"
    & skf18("6","2","10","7","8","10","1") = "9"
    & skf18("6","2","10","7","9","1","1") = "9"
    & skf18("6","2","10","7","9","2","1") = "9"
    & skf18("6","2","10","7","9","3","1") = "9"
    & skf18("6","2","10","7","9","4","1") = "9"
    & skf18("6","2","10","7","9","5","1") = "9"
    & skf18("6","2","10","7","9","6","1") = "9"
    & skf18("6","2","10","7","9","7","1") = "9"
    & skf18("6","2","10","7","9","8","1") = "9"
    & skf18("6","2","10","7","9","9","1") = "9"
    & skf18("6","2","10","7","9","10","1") = "9"
    & skf18("6","2","10","7","10","1","1") = "9"
    & skf18("6","2","10","7","10","2","1") = "9"
    & skf18("6","2","10","7","10","3","1") = "9"
    & skf18("6","2","10","7","10","4","1") = "9"
    & skf18("6","2","10","7","10","5","1") = "9"
    & skf18("6","2","10","7","10","6","1") = "9"
    & skf18("6","2","10","7","10","7","1") = "9"
    & skf18("6","2","10","7","10","8","1") = "9"
    & skf18("6","2","10","7","10","9","1") = "9"
    & skf18("6","2","10","7","10","10","1") = "9"
    & skf18("6","2","10","8","1","1","1") = "9"
    & skf18("6","2","10","8","1","2","1") = "9"
    & skf18("6","2","10","8","1","3","1") = "9"
    & skf18("6","2","10","8","1","4","1") = "9"
    & skf18("6","2","10","8","1","5","1") = "9"
    & skf18("6","2","10","8","1","6","1") = "9"
    & skf18("6","2","10","8","1","7","1") = "9"
    & skf18("6","2","10","8","1","8","1") = "9"
    & skf18("6","2","10","8","1","9","1") = "9"
    & skf18("6","2","10","8","1","10","1") = "9"
    & skf18("6","2","10","8","2","1","1") = "9"
    & skf18("6","2","10","8","2","2","1") = "9"
    & skf18("6","2","10","8","2","3","1") = "9"
    & skf18("6","2","10","8","2","4","1") = "9"
    & skf18("6","2","10","8","2","5","1") = "9"
    & skf18("6","2","10","8","2","6","1") = "9"
    & skf18("6","2","10","8","2","7","1") = "9"
    & skf18("6","2","10","8","2","8","1") = "9"
    & skf18("6","2","10","8","2","9","1") = "9"
    & skf18("6","2","10","8","2","10","1") = "9"
    & skf18("6","2","10","8","3","1","1") = "9"
    & skf18("6","2","10","8","3","2","1") = "9"
    & skf18("6","2","10","8","3","3","1") = "9"
    & skf18("6","2","10","8","3","4","1") = "9"
    & skf18("6","2","10","8","3","5","1") = "9"
    & skf18("6","2","10","8","3","6","1") = "9"
    & skf18("6","2","10","8","3","7","1") = "9"
    & skf18("6","2","10","8","3","8","1") = "9"
    & skf18("6","2","10","8","3","9","1") = "9"
    & skf18("6","2","10","8","3","10","1") = "9"
    & skf18("6","2","10","8","4","1","1") = "9"
    & skf18("6","2","10","8","4","2","1") = "9"
    & skf18("6","2","10","8","4","3","1") = "9"
    & skf18("6","2","10","8","4","4","1") = "9"
    & skf18("6","2","10","8","4","5","1") = "9"
    & skf18("6","2","10","8","4","6","1") = "9"
    & skf18("6","2","10","8","4","7","1") = "9"
    & skf18("6","2","10","8","4","8","1") = "9"
    & skf18("6","2","10","8","4","9","1") = "9"
    & skf18("6","2","10","8","4","10","1") = "9"
    & skf18("6","2","10","8","5","1","1") = "9"
    & skf18("6","2","10","8","5","2","1") = "9"
    & skf18("6","2","10","8","5","3","1") = "9"
    & skf18("6","2","10","8","5","4","1") = "9"
    & skf18("6","2","10","8","5","5","1") = "9"
    & skf18("6","2","10","8","5","6","1") = "9"
    & skf18("6","2","10","8","5","7","1") = "9"
    & skf18("6","2","10","8","5","8","1") = "9"
    & skf18("6","2","10","8","5","9","1") = "9"
    & skf18("6","2","10","8","5","10","1") = "9"
    & skf18("6","2","10","8","6","1","1") = "9"
    & skf18("6","2","10","8","6","2","1") = "9"
    & skf18("6","2","10","8","6","3","1") = "9"
    & skf18("6","2","10","8","6","4","1") = "9"
    & skf18("6","2","10","8","6","5","1") = "9"
    & skf18("6","2","10","8","6","6","1") = "9"
    & skf18("6","2","10","8","6","7","1") = "9"
    & skf18("6","2","10","8","6","8","1") = "9"
    & skf18("6","2","10","8","6","9","1") = "9"
    & skf18("6","2","10","8","6","10","1") = "9"
    & skf18("6","2","10","8","7","1","1") = "9"
    & skf18("6","2","10","8","7","2","1") = "9"
    & skf18("6","2","10","8","7","3","1") = "9"
    & skf18("6","2","10","8","7","4","1") = "9"
    & skf18("6","2","10","8","7","5","1") = "9"
    & skf18("6","2","10","8","7","6","1") = "9"
    & skf18("6","2","10","8","7","7","1") = "9"
    & skf18("6","2","10","8","7","8","1") = "9"
    & skf18("6","2","10","8","7","9","1") = "9"
    & skf18("6","2","10","8","7","10","1") = "9"
    & skf18("6","2","10","8","8","1","1") = "9"
    & skf18("6","2","10","8","8","2","1") = "9"
    & skf18("6","2","10","8","8","3","1") = "9"
    & skf18("6","2","10","8","8","4","1") = "9"
    & skf18("6","2","10","8","8","5","1") = "9"
    & skf18("6","2","10","8","8","6","1") = "9"
    & skf18("6","2","10","8","8","7","1") = "9"
    & skf18("6","2","10","8","8","8","1") = "9"
    & skf18("6","2","10","8","8","9","1") = "9"
    & skf18("6","2","10","8","8","10","1") = "9"
    & skf18("6","2","10","8","9","1","1") = "9"
    & skf18("6","2","10","8","9","2","1") = "9"
    & skf18("6","2","10","8","9","3","1") = "9"
    & skf18("6","2","10","8","9","4","1") = "9"
    & skf18("6","2","10","8","9","5","1") = "9"
    & skf18("6","2","10","8","9","6","1") = "9"
    & skf18("6","2","10","8","9","7","1") = "9"
    & skf18("6","2","10","8","9","8","1") = "9"
    & skf18("6","2","10","8","9","9","1") = "9"
    & skf18("6","2","10","8","9","10","1") = "9"
    & skf18("6","2","10","8","10","1","1") = "9"
    & skf18("6","2","10","8","10","2","1") = "9"
    & skf18("6","2","10","8","10","3","1") = "9"
    & skf18("6","2","10","8","10","4","1") = "9"
    & skf18("6","2","10","8","10","5","1") = "9"
    & skf18("6","2","10","8","10","6","1") = "9"
    & skf18("6","2","10","8","10","7","1") = "9"
    & skf18("6","2","10","8","10","8","1") = "9"
    & skf18("6","2","10","8","10","9","1") = "9"
    & skf18("6","2","10","8","10","10","1") = "9"
    & skf18("6","2","10","9","1","1","1") = "9"
    & skf18("6","2","10","9","1","2","1") = "9"
    & skf18("6","2","10","9","1","3","1") = "9"
    & skf18("6","2","10","9","1","4","1") = "9"
    & skf18("6","2","10","9","1","5","1") = "9"
    & skf18("6","2","10","9","1","6","1") = "9"
    & skf18("6","2","10","9","1","7","1") = "9"
    & skf18("6","2","10","9","1","8","1") = "9"
    & skf18("6","2","10","9","1","9","1") = "9"
    & skf18("6","2","10","9","1","10","1") = "9"
    & skf18("6","2","10","9","2","1","1") = "9"
    & skf18("6","2","10","9","2","2","1") = "9"
    & skf18("6","2","10","9","2","3","1") = "9"
    & skf18("6","2","10","9","2","4","1") = "9"
    & skf18("6","2","10","9","2","5","1") = "9"
    & skf18("6","2","10","9","2","6","1") = "9"
    & skf18("6","2","10","9","2","7","1") = "9"
    & skf18("6","2","10","9","2","8","1") = "9"
    & skf18("6","2","10","9","2","9","1") = "9"
    & skf18("6","2","10","9","2","10","1") = "9"
    & skf18("6","2","10","9","3","1","1") = "9"
    & skf18("6","2","10","9","3","2","1") = "9"
    & skf18("6","2","10","9","3","3","1") = "9"
    & skf18("6","2","10","9","3","4","1") = "9"
    & skf18("6","2","10","9","3","5","1") = "9"
    & skf18("6","2","10","9","3","6","1") = "9"
    & skf18("6","2","10","9","3","7","1") = "9"
    & skf18("6","2","10","9","3","8","1") = "9"
    & skf18("6","2","10","9","3","9","1") = "9"
    & skf18("6","2","10","9","3","10","1") = "9"
    & skf18("6","2","10","9","4","1","1") = "9"
    & skf18("6","2","10","9","4","2","1") = "9"
    & skf18("6","2","10","9","4","3","1") = "9"
    & skf18("6","2","10","9","4","4","1") = "9"
    & skf18("6","2","10","9","4","5","1") = "9"
    & skf18("6","2","10","9","4","6","1") = "9"
    & skf18("6","2","10","9","4","7","1") = "9"
    & skf18("6","2","10","9","4","8","1") = "9"
    & skf18("6","2","10","9","4","9","1") = "9"
    & skf18("6","2","10","9","4","10","1") = "9"
    & skf18("6","2","10","9","5","1","1") = "9"
    & skf18("6","2","10","9","5","2","1") = "9"
    & skf18("6","2","10","9","5","3","1") = "9"
    & skf18("6","2","10","9","5","4","1") = "9"
    & skf18("6","2","10","9","5","5","1") = "9"
    & skf18("6","2","10","9","5","6","1") = "9"
    & skf18("6","2","10","9","5","7","1") = "9"
    & skf18("6","2","10","9","5","8","1") = "9"
    & skf18("6","2","10","9","5","9","1") = "9"
    & skf18("6","2","10","9","5","10","1") = "9"
    & skf18("6","2","10","9","6","1","1") = "9"
    & skf18("6","2","10","9","6","2","1") = "9"
    & skf18("6","2","10","9","6","3","1") = "9"
    & skf18("6","2","10","9","6","4","1") = "9"
    & skf18("6","2","10","9","6","5","1") = "9"
    & skf18("6","2","10","9","6","6","1") = "9"
    & skf18("6","2","10","9","6","7","1") = "9"
    & skf18("6","2","10","9","6","8","1") = "9"
    & skf18("6","2","10","9","6","9","1") = "9"
    & skf18("6","2","10","9","6","10","1") = "9"
    & skf18("6","2","10","9","7","1","1") = "9"
    & skf18("6","2","10","9","7","2","1") = "9"
    & skf18("6","2","10","9","7","3","1") = "9"
    & skf18("6","2","10","9","7","4","1") = "9"
    & skf18("6","2","10","9","7","5","1") = "9"
    & skf18("6","2","10","9","7","6","1") = "9"
    & skf18("6","2","10","9","7","7","1") = "9"
    & skf18("6","2","10","9","7","8","1") = "9"
    & skf18("6","2","10","9","7","9","1") = "9"
    & skf18("6","2","10","9","7","10","1") = "9"
    & skf18("6","2","10","9","8","1","1") = "9"
    & skf18("6","2","10","9","8","2","1") = "9"
    & skf18("6","2","10","9","8","3","1") = "9"
    & skf18("6","2","10","9","8","4","1") = "9"
    & skf18("6","2","10","9","8","5","1") = "9"
    & skf18("6","2","10","9","8","6","1") = "9"
    & skf18("6","2","10","9","8","7","1") = "9"
    & skf18("6","2","10","9","8","8","1") = "9"
    & skf18("6","2","10","9","8","9","1") = "9"
    & skf18("6","2","10","9","8","10","1") = "9"
    & skf18("6","2","10","9","9","1","1") = "9"
    & skf18("6","2","10","9","9","2","1") = "9"
    & skf18("6","2","10","9","9","3","1") = "9"
    & skf18("6","2","10","9","9","4","1") = "9"
    & skf18("6","2","10","9","9","5","1") = "9"
    & skf18("6","2","10","9","9","6","1") = "9"
    & skf18("6","2","10","9","9","7","1") = "9"
    & skf18("6","2","10","9","9","8","1") = "9"
    & skf18("6","2","10","9","9","9","1") = "9"
    & skf18("6","2","10","9","9","10","1") = "9"
    & skf18("6","2","10","9","10","1","1") = "9"
    & skf18("6","2","10","9","10","2","1") = "9"
    & skf18("6","2","10","9","10","3","1") = "9"
    & skf18("6","2","10","9","10","4","1") = "9"
    & skf18("6","2","10","9","10","5","1") = "9"
    & skf18("6","2","10","9","10","6","1") = "9"
    & skf18("6","2","10","9","10","7","1") = "9"
    & skf18("6","2","10","9","10","8","1") = "9"
    & skf18("6","2","10","9","10","9","1") = "9"
    & skf18("6","2","10","9","10","10","1") = "9"
    & skf18("6","2","10","10","1","1","1") = "9"
    & skf18("6","2","10","10","1","2","1") = "9"
    & skf18("6","2","10","10","1","3","1") = "9"
    & skf18("6","2","10","10","1","4","1") = "9"
    & skf18("6","2","10","10","1","5","1") = "9"
    & skf18("6","2","10","10","1","6","1") = "9"
    & skf18("6","2","10","10","1","7","1") = "9"
    & skf18("6","2","10","10","1","8","1") = "9"
    & skf18("6","2","10","10","1","9","1") = "9"
    & skf18("6","2","10","10","1","10","1") = "9"
    & skf18("6","2","10","10","2","1","1") = "9"
    & skf18("6","2","10","10","2","2","1") = "9"
    & skf18("6","2","10","10","2","3","1") = "9"
    & skf18("6","2","10","10","2","4","1") = "9"
    & skf18("6","2","10","10","2","5","1") = "9"
    & skf18("6","2","10","10","2","6","1") = "9"
    & skf18("6","2","10","10","2","7","1") = "9"
    & skf18("6","2","10","10","2","8","1") = "9"
    & skf18("6","2","10","10","2","9","1") = "9"
    & skf18("6","2","10","10","2","10","1") = "9"
    & skf18("6","2","10","10","3","1","1") = "9"
    & skf18("6","2","10","10","3","2","1") = "9"
    & skf18("6","2","10","10","3","3","1") = "9"
    & skf18("6","2","10","10","3","4","1") = "9"
    & skf18("6","2","10","10","3","5","1") = "9"
    & skf18("6","2","10","10","3","6","1") = "9"
    & skf18("6","2","10","10","3","7","1") = "9"
    & skf18("6","2","10","10","3","8","1") = "9"
    & skf18("6","2","10","10","3","9","1") = "9"
    & skf18("6","2","10","10","3","10","1") = "9"
    & skf18("6","2","10","10","4","1","1") = "9"
    & skf18("6","2","10","10","4","2","1") = "9"
    & skf18("6","2","10","10","4","3","1") = "9"
    & skf18("6","2","10","10","4","4","1") = "9"
    & skf18("6","2","10","10","4","5","1") = "9"
    & skf18("6","2","10","10","4","6","1") = "9"
    & skf18("6","2","10","10","4","7","1") = "9"
    & skf18("6","2","10","10","4","8","1") = "9"
    & skf18("6","2","10","10","4","9","1") = "9"
    & skf18("6","2","10","10","4","10","1") = "9"
    & skf18("6","2","10","10","5","1","1") = "9"
    & skf18("6","2","10","10","5","2","1") = "9"
    & skf18("6","2","10","10","5","3","1") = "9"
    & skf18("6","2","10","10","5","4","1") = "9"
    & skf18("6","2","10","10","5","5","1") = "9"
    & skf18("6","2","10","10","5","6","1") = "9"
    & skf18("6","2","10","10","5","7","1") = "9"
    & skf18("6","2","10","10","5","8","1") = "9"
    & skf18("6","2","10","10","5","9","1") = "9"
    & skf18("6","2","10","10","5","10","1") = "9"
    & skf18("6","2","10","10","6","1","1") = "9"
    & skf18("6","2","10","10","6","2","1") = "9"
    & skf18("6","2","10","10","6","3","1") = "9"
    & skf18("6","2","10","10","6","4","1") = "9"
    & skf18("6","2","10","10","6","5","1") = "9"
    & skf18("6","2","10","10","6","6","1") = "9"
    & skf18("6","2","10","10","6","7","1") = "9"
    & skf18("6","2","10","10","6","8","1") = "9"
    & skf18("6","2","10","10","6","9","1") = "9"
    & skf18("6","2","10","10","6","10","1") = "9"
    & skf18("6","2","10","10","7","1","1") = "9"
    & skf18("6","2","10","10","7","2","1") = "9"
    & skf18("6","2","10","10","7","3","1") = "9"
    & skf18("6","2","10","10","7","4","1") = "9"
    & skf18("6","2","10","10","7","5","1") = "9"
    & skf18("6","2","10","10","7","6","1") = "9"
    & skf18("6","2","10","10","7","7","1") = "9"
    & skf18("6","2","10","10","7","8","1") = "9"
    & skf18("6","2","10","10","7","9","1") = "9"
    & skf18("6","2","10","10","7","10","1") = "9"
    & skf18("6","2","10","10","8","1","1") = "9"
    & skf18("6","2","10","10","8","2","1") = "9"
    & skf18("6","2","10","10","8","3","1") = "9"
    & skf18("6","2","10","10","8","4","1") = "9"
    & skf18("6","2","10","10","8","5","1") = "9"
    & skf18("6","2","10","10","8","6","1") = "9"
    & skf18("6","2","10","10","8","7","1") = "9"
    & skf18("6","2","10","10","8","8","1") = "9"
    & skf18("6","2","10","10","8","9","1") = "9"
    & skf18("6","2","10","10","8","10","1") = "9"
    & skf18("6","2","10","10","9","1","1") = "9"
    & skf18("6","2","10","10","9","2","1") = "9"
    & skf18("6","2","10","10","9","3","1") = "9"
    & skf18("6","2","10","10","9","4","1") = "9"
    & skf18("6","2","10","10","9","5","1") = "9"
    & skf18("6","2","10","10","9","6","1") = "9"
    & skf18("6","2","10","10","9","7","1") = "9"
    & skf18("6","2","10","10","9","8","1") = "9"
    & skf18("6","2","10","10","9","9","1") = "9"
    & skf18("6","2","10","10","9","10","1") = "9"
    & skf18("6","2","10","10","10","1","1") = "9"
    & skf18("6","2","10","10","10","2","1") = "9"
    & skf18("6","2","10","10","10","3","1") = "9"
    & skf18("6","2","10","10","10","4","1") = "9"
    & skf18("6","2","10","10","10","5","1") = "9"
    & skf18("6","2","10","10","10","6","1") = "9"
    & skf18("6","2","10","10","10","7","1") = "9"
    & skf18("6","2","10","10","10","8","1") = "9"
    & skf18("6","2","10","10","10","9","1") = "9"
    & skf18("6","2","10","10","10","10","1") = "9"
    & skf18("6","3","1","1","1","1","1") = "5"
    & skf18("6","3","1","1","1","2","1") = "5"
    & skf18("6","3","1","1","1","3","1") = "5"
    & skf18("6","3","1","1","1","4","1") = "5"
    & skf18("6","3","1","1","1","5","1") = "5"
    & skf18("6","3","1","1","1","6","1") = "5"
    & skf18("6","3","1","1","1","7","1") = "6"
    & skf18("6","3","1","1","1","8","1") = "7"
    & skf18("6","3","1","1","1","9","1") = "8"
    & skf18("6","3","1","1","1","10","1") = "9"
    & skf18("6","3","1","1","2","1","1") = "5"
    & skf18("6","3","1","1","2","2","1") = "5"
    & skf18("6","3","1","1","2","3","1") = "5"
    & skf18("6","3","1","1","2","4","1") = "5"
    & skf18("6","3","1","1","2","5","1") = "5"
    & skf18("6","3","1","1","2","6","1") = "5"
    & skf18("6","3","1","1","2","7","1") = "6"
    & skf18("6","3","1","1","2","8","1") = "7"
    & skf18("6","3","1","1","2","9","1") = "8"
    & skf18("6","3","1","1","2","10","1") = "9"
    & skf18("6","3","1","1","3","1","1") = "5"
    & skf18("6","3","1","1","3","2","1") = "5"
    & skf18("6","3","1","1","3","3","1") = "5"
    & skf18("6","3","1","1","3","4","1") = "5"
    & skf18("6","3","1","1","3","5","1") = "5"
    & skf18("6","3","1","1","3","6","1") = "5"
    & skf18("6","3","1","1","3","7","1") = "6"
    & skf18("6","3","1","1","3","8","1") = "7"
    & skf18("6","3","1","1","3","9","1") = "8"
    & skf18("6","3","1","1","3","10","1") = "9"
    & skf18("6","3","1","1","4","1","1") = "5"
    & skf18("6","3","1","1","4","2","1") = "5"
    & skf18("6","3","1","1","4","3","1") = "5"
    & skf18("6","3","1","1","4","4","1") = "5"
    & skf18("6","3","1","1","4","5","1") = "5"
    & skf18("6","3","1","1","4","6","1") = "5"
    & skf18("6","3","1","1","4","7","1") = "6"
    & skf18("6","3","1","1","4","8","1") = "7"
    & skf18("6","3","1","1","4","9","1") = "8"
    & skf18("6","3","1","1","4","10","1") = "9"
    & skf18("6","3","1","1","5","1","1") = "5"
    & skf18("6","3","1","1","5","2","1") = "5"
    & skf18("6","3","1","1","5","3","1") = "5"
    & skf18("6","3","1","1","5","4","1") = "5"
    & skf18("6","3","1","1","5","5","1") = "5"
    & skf18("6","3","1","1","5","6","1") = "5"
    & skf18("6","3","1","1","5","7","1") = "6"
    & skf18("6","3","1","1","5","8","1") = "7"
    & skf18("6","3","1","1","5","9","1") = "8"
    & skf18("6","3","1","1","5","10","1") = "9"
    & skf18("6","3","1","1","6","1","1") = "5"
    & skf18("6","3","1","1","6","2","1") = "5"
    & skf18("6","3","1","1","6","3","1") = "5"
    & skf18("6","3","1","1","6","4","1") = "5"
    & skf18("6","3","1","1","6","5","1") = "5"
    & skf18("6","3","1","1","6","6","1") = "5"
    & skf18("6","3","1","1","6","7","1") = "6"
    & skf18("6","3","1","1","6","8","1") = "7"
    & skf18("6","3","1","1","6","9","1") = "8"
    & skf18("6","3","1","1","6","10","1") = "9"
    & skf18("6","3","1","1","7","1","1") = "6"
    & skf18("6","3","1","1","7","2","1") = "6"
    & skf18("6","3","1","1","7","3","1") = "6"
    & skf18("6","3","1","1","7","4","1") = "6"
    & skf18("6","3","1","1","7","5","1") = "6"
    & skf18("6","3","1","1","7","6","1") = "6"
    & skf18("6","3","1","1","7","7","1") = "6"
    & skf18("6","3","1","1","7","8","1") = "7"
    & skf18("6","3","1","1","7","9","1") = "8"
    & skf18("6","3","1","1","7","10","1") = "9"
    & skf18("6","3","1","1","8","1","1") = "7"
    & skf18("6","3","1","1","8","2","1") = "7"
    & skf18("6","3","1","1","8","3","1") = "7"
    & skf18("6","3","1","1","8","4","1") = "7"
    & skf18("6","3","1","1","8","5","1") = "7"
    & skf18("6","3","1","1","8","6","1") = "7"
    & skf18("6","3","1","1","8","7","1") = "7"
    & skf18("6","3","1","1","8","8","1") = "7"
    & skf18("6","3","1","1","8","9","1") = "8"
    & skf18("6","3","1","1","8","10","1") = "9"
    & skf18("6","3","1","1","9","1","1") = "8"
    & skf18("6","3","1","1","9","2","1") = "8"
    & skf18("6","3","1","1","9","3","1") = "8"
    & skf18("6","3","1","1","9","4","1") = "8"
    & skf18("6","3","1","1","9","5","1") = "8"
    & skf18("6","3","1","1","9","6","1") = "8"
    & skf18("6","3","1","1","9","7","1") = "8"
    & skf18("6","3","1","1","9","8","1") = "8"
    & skf18("6","3","1","1","9","9","1") = "8"
    & skf18("6","3","1","1","9","10","1") = "9"
    & skf18("6","3","1","1","10","1","1") = "9"
    & skf18("6","3","1","1","10","2","1") = "9"
    & skf18("6","3","1","1","10","3","1") = "9"
    & skf18("6","3","1","1","10","4","1") = "9"
    & skf18("6","3","1","1","10","5","1") = "9"
    & skf18("6","3","1","1","10","6","1") = "9"
    & skf18("6","3","1","1","10","7","1") = "9"
    & skf18("6","3","1","1","10","8","1") = "9"
    & skf18("6","3","1","1","10","9","1") = "9"
    & skf18("6","3","1","1","10","10","1") = "9"
    & skf18("6","3","1","2","1","1","1") = "5"
    & skf18("6","3","1","2","1","2","1") = "5"
    & skf18("6","3","1","2","1","3","1") = "5"
    & skf18("6","3","1","2","1","4","1") = "5"
    & skf18("6","3","1","2","1","5","1") = "5"
    & skf18("6","3","1","2","1","6","1") = "5"
    & skf18("6","3","1","2","1","7","1") = "6"
    & skf18("6","3","1","2","1","8","1") = "7"
    & skf18("6","3","1","2","1","9","1") = "8"
    & skf18("6","3","1","2","1","10","1") = "9"
    & skf18("6","3","1","2","2","1","1") = "5"
    & skf18("6","3","1","2","2","2","1") = "5"
    & skf18("6","3","1","2","2","3","1") = "5"
    & skf18("6","3","1","2","2","4","1") = "5"
    & skf18("6","3","1","2","2","5","1") = "5"
    & skf18("6","3","1","2","2","6","1") = "5"
    & skf18("6","3","1","2","2","7","1") = "6"
    & skf18("6","3","1","2","2","8","1") = "7"
    & skf18("6","3","1","2","2","9","1") = "8"
    & skf18("6","3","1","2","2","10","1") = "9"
    & skf18("6","3","1","2","3","1","1") = "5"
    & skf18("6","3","1","2","3","2","1") = "5"
    & skf18("6","3","1","2","3","3","1") = "5"
    & skf18("6","3","1","2","3","4","1") = "5"
    & skf18("6","3","1","2","3","5","1") = "5"
    & skf18("6","3","1","2","3","6","1") = "5"
    & skf18("6","3","1","2","3","7","1") = "6"
    & skf18("6","3","1","2","3","8","1") = "7"
    & skf18("6","3","1","2","3","9","1") = "8"
    & skf18("6","3","1","2","3","10","1") = "9"
    & skf18("6","3","1","2","4","1","1") = "5"
    & skf18("6","3","1","2","4","2","1") = "5"
    & skf18("6","3","1","2","4","3","1") = "5"
    & skf18("6","3","1","2","4","4","1") = "5"
    & skf18("6","3","1","2","4","5","1") = "5"
    & skf18("6","3","1","2","4","6","1") = "5"
    & skf18("6","3","1","2","4","7","1") = "6"
    & skf18("6","3","1","2","4","8","1") = "7"
    & skf18("6","3","1","2","4","9","1") = "8"
    & skf18("6","3","1","2","4","10","1") = "9"
    & skf18("6","3","1","2","5","1","1") = "5"
    & skf18("6","3","1","2","5","2","1") = "5"
    & skf18("6","3","1","2","5","3","1") = "5"
    & skf18("6","3","1","2","5","4","1") = "5"
    & skf18("6","3","1","2","5","5","1") = "5"
    & skf18("6","3","1","2","5","6","1") = "5"
    & skf18("6","3","1","2","5","7","1") = "6"
    & skf18("6","3","1","2","5","8","1") = "7"
    & skf18("6","3","1","2","5","9","1") = "8"
    & skf18("6","3","1","2","5","10","1") = "9"
    & skf18("6","3","1","2","6","1","1") = "5"
    & skf18("6","3","1","2","6","2","1") = "5"
    & skf18("6","3","1","2","6","3","1") = "5"
    & skf18("6","3","1","2","6","4","1") = "5"
    & skf18("6","3","1","2","6","5","1") = "5"
    & skf18("6","3","1","2","6","6","1") = "5"
    & skf18("6","3","1","2","6","7","1") = "6"
    & skf18("6","3","1","2","6","8","1") = "7"
    & skf18("6","3","1","2","6","9","1") = "8"
    & skf18("6","3","1","2","6","10","1") = "9"
    & skf18("6","3","1","2","7","1","1") = "6"
    & skf18("6","3","1","2","7","2","1") = "6"
    & skf18("6","3","1","2","7","3","1") = "6"
    & skf18("6","3","1","2","7","4","1") = "6"
    & skf18("6","3","1","2","7","5","1") = "6"
    & skf18("6","3","1","2","7","6","1") = "6"
    & skf18("6","3","1","2","7","7","1") = "6"
    & skf18("6","3","1","2","7","8","1") = "7"
    & skf18("6","3","1","2","7","9","1") = "8"
    & skf18("6","3","1","2","7","10","1") = "9"
    & skf18("6","3","1","2","8","1","1") = "7"
    & skf18("6","3","1","2","8","2","1") = "7"
    & skf18("6","3","1","2","8","3","1") = "7"
    & skf18("6","3","1","2","8","4","1") = "7"
    & skf18("6","3","1","2","8","5","1") = "7"
    & skf18("6","3","1","2","8","6","1") = "7"
    & skf18("6","3","1","2","8","7","1") = "7"
    & skf18("6","3","1","2","8","8","1") = "7"
    & skf18("6","3","1","2","8","9","1") = "8"
    & skf18("6","3","1","2","8","10","1") = "9"
    & skf18("6","3","1","2","9","1","1") = "8"
    & skf18("6","3","1","2","9","2","1") = "8"
    & skf18("6","3","1","2","9","3","1") = "8"
    & skf18("6","3","1","2","9","4","1") = "8"
    & skf18("6","3","1","2","9","5","1") = "8"
    & skf18("6","3","1","2","9","6","1") = "8"
    & skf18("6","3","1","2","9","7","1") = "8"
    & skf18("6","3","1","2","9","8","1") = "8"
    & skf18("6","3","1","2","9","9","1") = "8"
    & skf18("6","3","1","2","9","10","1") = "9"
    & skf18("6","3","1","2","10","1","1") = "9"
    & skf18("6","3","1","2","10","2","1") = "9"
    & skf18("6","3","1","2","10","3","1") = "9"
    & skf18("6","3","1","2","10","4","1") = "9"
    & skf18("6","3","1","2","10","5","1") = "9"
    & skf18("6","3","1","2","10","6","1") = "9"
    & skf18("6","3","1","2","10","7","1") = "9"
    & skf18("6","3","1","2","10","8","1") = "9"
    & skf18("6","3","1","2","10","9","1") = "9"
    & skf18("6","3","1","2","10","10","1") = "9"
    & skf18("6","3","1","3","1","1","1") = "5"
    & skf18("6","3","1","3","1","2","1") = "5"
    & skf18("6","3","1","3","1","3","1") = "5"
    & skf18("6","3","1","3","1","4","1") = "5"
    & skf18("6","3","1","3","1","5","1") = "5"
    & skf18("6","3","1","3","1","6","1") = "5"
    & skf18("6","3","1","3","1","7","1") = "6"
    & skf18("6","3","1","3","1","8","1") = "7"
    & skf18("6","3","1","3","1","9","1") = "8"
    & skf18("6","3","1","3","1","10","1") = "9"
    & skf18("6","3","1","3","2","1","1") = "5"
    & skf18("6","3","1","3","2","2","1") = "5"
    & skf18("6","3","1","3","2","3","1") = "5"
    & skf18("6","3","1","3","2","4","1") = "5"
    & skf18("6","3","1","3","2","5","1") = "5"
    & skf18("6","3","1","3","2","6","1") = "5"
    & skf18("6","3","1","3","2","7","1") = "6"
    & skf18("6","3","1","3","2","8","1") = "7"
    & skf18("6","3","1","3","2","9","1") = "8"
    & skf18("6","3","1","3","2","10","1") = "9"
    & skf18("6","3","1","3","3","1","1") = "5"
    & skf18("6","3","1","3","3","2","1") = "5"
    & skf18("6","3","1","3","3","3","1") = "5"
    & skf18("6","3","1","3","3","4","1") = "5"
    & skf18("6","3","1","3","3","5","1") = "5"
    & skf18("6","3","1","3","3","6","1") = "5"
    & skf18("6","3","1","3","3","7","1") = "6"
    & skf18("6","3","1","3","3","8","1") = "7"
    & skf18("6","3","1","3","3","9","1") = "8"
    & skf18("6","3","1","3","3","10","1") = "9"
    & skf18("6","3","1","3","4","1","1") = "5"
    & skf18("6","3","1","3","4","2","1") = "5"
    & skf18("6","3","1","3","4","3","1") = "5"
    & skf18("6","3","1","3","4","4","1") = "5"
    & skf18("6","3","1","3","4","5","1") = "5"
    & skf18("6","3","1","3","4","6","1") = "5"
    & skf18("6","3","1","3","4","7","1") = "6"
    & skf18("6","3","1","3","4","8","1") = "7"
    & skf18("6","3","1","3","4","9","1") = "8"
    & skf18("6","3","1","3","4","10","1") = "9"
    & skf18("6","3","1","3","5","1","1") = "5"
    & skf18("6","3","1","3","5","2","1") = "5"
    & skf18("6","3","1","3","5","3","1") = "5"
    & skf18("6","3","1","3","5","4","1") = "5"
    & skf18("6","3","1","3","5","5","1") = "5"
    & skf18("6","3","1","3","5","6","1") = "5"
    & skf18("6","3","1","3","5","7","1") = "6"
    & skf18("6","3","1","3","5","8","1") = "7"
    & skf18("6","3","1","3","5","9","1") = "8"
    & skf18("6","3","1","3","5","10","1") = "9"
    & skf18("6","3","1","3","6","1","1") = "5"
    & skf18("6","3","1","3","6","2","1") = "5"
    & skf18("6","3","1","3","6","3","1") = "5"
    & skf18("6","3","1","3","6","4","1") = "5"
    & skf18("6","3","1","3","6","5","1") = "5"
    & skf18("6","3","1","3","6","6","1") = "5"
    & skf18("6","3","1","3","6","7","1") = "6"
    & skf18("6","3","1","3","6","8","1") = "7"
    & skf18("6","3","1","3","6","9","1") = "8"
    & skf18("6","3","1","3","6","10","1") = "9"
    & skf18("6","3","1","3","7","1","1") = "6"
    & skf18("6","3","1","3","7","2","1") = "6"
    & skf18("6","3","1","3","7","3","1") = "6"
    & skf18("6","3","1","3","7","4","1") = "6"
    & skf18("6","3","1","3","7","5","1") = "6"
    & skf18("6","3","1","3","7","6","1") = "6"
    & skf18("6","3","1","3","7","7","1") = "6"
    & skf18("6","3","1","3","7","8","1") = "7"
    & skf18("6","3","1","3","7","9","1") = "8"
    & skf18("6","3","1","3","7","10","1") = "9"
    & skf18("6","3","1","3","8","1","1") = "7"
    & skf18("6","3","1","3","8","2","1") = "7"
    & skf18("6","3","1","3","8","3","1") = "7"
    & skf18("6","3","1","3","8","4","1") = "7"
    & skf18("6","3","1","3","8","5","1") = "7"
    & skf18("6","3","1","3","8","6","1") = "7"
    & skf18("6","3","1","3","8","7","1") = "7"
    & skf18("6","3","1","3","8","8","1") = "7"
    & skf18("6","3","1","3","8","9","1") = "8"
    & skf18("6","3","1","3","8","10","1") = "9"
    & skf18("6","3","1","3","9","1","1") = "8"
    & skf18("6","3","1","3","9","2","1") = "8"
    & skf18("6","3","1","3","9","3","1") = "8"
    & skf18("6","3","1","3","9","4","1") = "8"
    & skf18("6","3","1","3","9","5","1") = "8"
    & skf18("6","3","1","3","9","6","1") = "8"
    & skf18("6","3","1","3","9","7","1") = "8"
    & skf18("6","3","1","3","9","8","1") = "8"
    & skf18("6","3","1","3","9","9","1") = "8"
    & skf18("6","3","1","3","9","10","1") = "9"
    & skf18("6","3","1","3","10","1","1") = "9"
    & skf18("6","3","1","3","10","2","1") = "9"
    & skf18("6","3","1","3","10","3","1") = "9"
    & skf18("6","3","1","3","10","4","1") = "9"
    & skf18("6","3","1","3","10","5","1") = "9"
    & skf18("6","3","1","3","10","6","1") = "9"
    & skf18("6","3","1","3","10","7","1") = "9"
    & skf18("6","3","1","3","10","8","1") = "9"
    & skf18("6","3","1","3","10","9","1") = "9"
    & skf18("6","3","1","3","10","10","1") = "9"
    & skf18("6","3","1","4","1","1","1") = "5"
    & skf18("6","3","1","4","1","2","1") = "5"
    & skf18("6","3","1","4","1","3","1") = "5"
    & skf18("6","3","1","4","1","4","1") = "5"
    & skf18("6","3","1","4","1","5","1") = "5"
    & skf18("6","3","1","4","1","6","1") = "5"
    & skf18("6","3","1","4","1","7","1") = "6"
    & skf18("6","3","1","4","1","8","1") = "7"
    & skf18("6","3","1","4","1","9","1") = "8"
    & skf18("6","3","1","4","1","10","1") = "9"
    & skf18("6","3","1","4","2","1","1") = "5"
    & skf18("6","3","1","4","2","2","1") = "5"
    & skf18("6","3","1","4","2","3","1") = "5"
    & skf18("6","3","1","4","2","4","1") = "5"
    & skf18("6","3","1","4","2","5","1") = "5"
    & skf18("6","3","1","4","2","6","1") = "5"
    & skf18("6","3","1","4","2","7","1") = "6"
    & skf18("6","3","1","4","2","8","1") = "7"
    & skf18("6","3","1","4","2","9","1") = "8"
    & skf18("6","3","1","4","2","10","1") = "9"
    & skf18("6","3","1","4","3","1","1") = "5"
    & skf18("6","3","1","4","3","2","1") = "5"
    & skf18("6","3","1","4","3","3","1") = "5"
    & skf18("6","3","1","4","3","4","1") = "5"
    & skf18("6","3","1","4","3","5","1") = "5"
    & skf18("6","3","1","4","3","6","1") = "5"
    & skf18("6","3","1","4","3","7","1") = "6"
    & skf18("6","3","1","4","3","8","1") = "7"
    & skf18("6","3","1","4","3","9","1") = "8"
    & skf18("6","3","1","4","3","10","1") = "9"
    & skf18("6","3","1","4","4","1","1") = "5"
    & skf18("6","3","1","4","4","2","1") = "5"
    & skf18("6","3","1","4","4","3","1") = "5"
    & skf18("6","3","1","4","4","4","1") = "5"
    & skf18("6","3","1","4","4","5","1") = "5"
    & skf18("6","3","1","4","4","6","1") = "5"
    & skf18("6","3","1","4","4","7","1") = "6"
    & skf18("6","3","1","4","4","8","1") = "7"
    & skf18("6","3","1","4","4","9","1") = "8"
    & skf18("6","3","1","4","4","10","1") = "9"
    & skf18("6","3","1","4","5","1","1") = "5"
    & skf18("6","3","1","4","5","2","1") = "5"
    & skf18("6","3","1","4","5","3","1") = "5"
    & skf18("6","3","1","4","5","4","1") = "5"
    & skf18("6","3","1","4","5","5","1") = "5"
    & skf18("6","3","1","4","5","6","1") = "5"
    & skf18("6","3","1","4","5","7","1") = "6"
    & skf18("6","3","1","4","5","8","1") = "7"
    & skf18("6","3","1","4","5","9","1") = "8"
    & skf18("6","3","1","4","5","10","1") = "9"
    & skf18("6","3","1","4","6","1","1") = "5"
    & skf18("6","3","1","4","6","2","1") = "5"
    & skf18("6","3","1","4","6","3","1") = "5"
    & skf18("6","3","1","4","6","4","1") = "5"
    & skf18("6","3","1","4","6","5","1") = "5"
    & skf18("6","3","1","4","6","6","1") = "5"
    & skf18("6","3","1","4","6","7","1") = "6"
    & skf18("6","3","1","4","6","8","1") = "7"
    & skf18("6","3","1","4","6","9","1") = "8"
    & skf18("6","3","1","4","6","10","1") = "9"
    & skf18("6","3","1","4","7","1","1") = "6"
    & skf18("6","3","1","4","7","2","1") = "6"
    & skf18("6","3","1","4","7","3","1") = "6"
    & skf18("6","3","1","4","7","4","1") = "6"
    & skf18("6","3","1","4","7","5","1") = "6"
    & skf18("6","3","1","4","7","6","1") = "6"
    & skf18("6","3","1","4","7","7","1") = "6"
    & skf18("6","3","1","4","7","8","1") = "7"
    & skf18("6","3","1","4","7","9","1") = "8"
    & skf18("6","3","1","4","7","10","1") = "9"
    & skf18("6","3","1","4","8","1","1") = "7"
    & skf18("6","3","1","4","8","2","1") = "7"
    & skf18("6","3","1","4","8","3","1") = "7"
    & skf18("6","3","1","4","8","4","1") = "7"
    & skf18("6","3","1","4","8","5","1") = "7"
    & skf18("6","3","1","4","8","6","1") = "7"
    & skf18("6","3","1","4","8","7","1") = "7"
    & skf18("6","3","1","4","8","8","1") = "7"
    & skf18("6","3","1","4","8","9","1") = "8"
    & skf18("6","3","1","4","8","10","1") = "9"
    & skf18("6","3","1","4","9","1","1") = "8"
    & skf18("6","3","1","4","9","2","1") = "8"
    & skf18("6","3","1","4","9","3","1") = "8"
    & skf18("6","3","1","4","9","4","1") = "8"
    & skf18("6","3","1","4","9","5","1") = "8"
    & skf18("6","3","1","4","9","6","1") = "8"
    & skf18("6","3","1","4","9","7","1") = "8"
    & skf18("6","3","1","4","9","8","1") = "8"
    & skf18("6","3","1","4","9","9","1") = "8"
    & skf18("6","3","1","4","9","10","1") = "9"
    & skf18("6","3","1","4","10","1","1") = "9"
    & skf18("6","3","1","4","10","2","1") = "9"
    & skf18("6","3","1","4","10","3","1") = "9"
    & skf18("6","3","1","4","10","4","1") = "9"
    & skf18("6","3","1","4","10","5","1") = "9"
    & skf18("6","3","1","4","10","6","1") = "9"
    & skf18("6","3","1","4","10","7","1") = "9"
    & skf18("6","3","1","4","10","8","1") = "9"
    & skf18("6","3","1","4","10","9","1") = "9"
    & skf18("6","3","1","4","10","10","1") = "9"
    & skf18("6","3","1","5","1","1","1") = "5"
    & skf18("6","3","1","5","1","2","1") = "5"
    & skf18("6","3","1","5","1","3","1") = "5"
    & skf18("6","3","1","5","1","4","1") = "5"
    & skf18("6","3","1","5","1","5","1") = "5"
    & skf18("6","3","1","5","1","6","1") = "5"
    & skf18("6","3","1","5","1","7","1") = "6"
    & skf18("6","3","1","5","1","8","1") = "7"
    & skf18("6","3","1","5","1","9","1") = "8"
    & skf18("6","3","1","5","1","10","1") = "9"
    & skf18("6","3","1","5","2","1","1") = "5"
    & skf18("6","3","1","5","2","2","1") = "5"
    & skf18("6","3","1","5","2","3","1") = "5"
    & skf18("6","3","1","5","2","4","1") = "5"
    & skf18("6","3","1","5","2","5","1") = "5"
    & skf18("6","3","1","5","2","6","1") = "5"
    & skf18("6","3","1","5","2","7","1") = "6"
    & skf18("6","3","1","5","2","8","1") = "7"
    & skf18("6","3","1","5","2","9","1") = "8"
    & skf18("6","3","1","5","2","10","1") = "9"
    & skf18("6","3","1","5","3","1","1") = "5"
    & skf18("6","3","1","5","3","2","1") = "5"
    & skf18("6","3","1","5","3","3","1") = "5"
    & skf18("6","3","1","5","3","4","1") = "5"
    & skf18("6","3","1","5","3","5","1") = "5"
    & skf18("6","3","1","5","3","6","1") = "5"
    & skf18("6","3","1","5","3","7","1") = "6"
    & skf18("6","3","1","5","3","8","1") = "7"
    & skf18("6","3","1","5","3","9","1") = "8"
    & skf18("6","3","1","5","3","10","1") = "9"
    & skf18("6","3","1","5","4","1","1") = "5"
    & skf18("6","3","1","5","4","2","1") = "5"
    & skf18("6","3","1","5","4","3","1") = "5"
    & skf18("6","3","1","5","4","4","1") = "5"
    & skf18("6","3","1","5","4","5","1") = "5"
    & skf18("6","3","1","5","4","6","1") = "5"
    & skf18("6","3","1","5","4","7","1") = "6"
    & skf18("6","3","1","5","4","8","1") = "7"
    & skf18("6","3","1","5","4","9","1") = "8"
    & skf18("6","3","1","5","4","10","1") = "9"
    & skf18("6","3","1","5","5","1","1") = "5"
    & skf18("6","3","1","5","5","2","1") = "5"
    & skf18("6","3","1","5","5","3","1") = "5"
    & skf18("6","3","1","5","5","4","1") = "5"
    & skf18("6","3","1","5","5","5","1") = "5"
    & skf18("6","3","1","5","5","6","1") = "5"
    & skf18("6","3","1","5","5","7","1") = "6"
    & skf18("6","3","1","5","5","8","1") = "7"
    & skf18("6","3","1","5","5","9","1") = "8"
    & skf18("6","3","1","5","5","10","1") = "9"
    & skf18("6","3","1","5","6","1","1") = "5"
    & skf18("6","3","1","5","6","2","1") = "5"
    & skf18("6","3","1","5","6","3","1") = "5"
    & skf18("6","3","1","5","6","4","1") = "5"
    & skf18("6","3","1","5","6","5","1") = "5"
    & skf18("6","3","1","5","6","6","1") = "5"
    & skf18("6","3","1","5","6","7","1") = "6"
    & skf18("6","3","1","5","6","8","1") = "7"
    & skf18("6","3","1","5","6","9","1") = "8"
    & skf18("6","3","1","5","6","10","1") = "9"
    & skf18("6","3","1","5","7","1","1") = "6"
    & skf18("6","3","1","5","7","2","1") = "6"
    & skf18("6","3","1","5","7","3","1") = "6"
    & skf18("6","3","1","5","7","4","1") = "6"
    & skf18("6","3","1","5","7","5","1") = "6"
    & skf18("6","3","1","5","7","6","1") = "6"
    & skf18("6","3","1","5","7","7","1") = "6"
    & skf18("6","3","1","5","7","8","1") = "7"
    & skf18("6","3","1","5","7","9","1") = "8"
    & skf18("6","3","1","5","7","10","1") = "9"
    & skf18("6","3","1","5","8","1","1") = "7"
    & skf18("6","3","1","5","8","2","1") = "7"
    & skf18("6","3","1","5","8","3","1") = "7"
    & skf18("6","3","1","5","8","4","1") = "7"
    & skf18("6","3","1","5","8","5","1") = "7"
    & skf18("6","3","1","5","8","6","1") = "7"
    & skf18("6","3","1","5","8","7","1") = "7"
    & skf18("6","3","1","5","8","8","1") = "7"
    & skf18("6","3","1","5","8","9","1") = "8"
    & skf18("6","3","1","5","8","10","1") = "9"
    & skf18("6","3","1","5","9","1","1") = "8"
    & skf18("6","3","1","5","9","2","1") = "8"
    & skf18("6","3","1","5","9","3","1") = "8"
    & skf18("6","3","1","5","9","4","1") = "8"
    & skf18("6","3","1","5","9","5","1") = "8"
    & skf18("6","3","1","5","9","6","1") = "8"
    & skf18("6","3","1","5","9","7","1") = "8"
    & skf18("6","3","1","5","9","8","1") = "8"
    & skf18("6","3","1","5","9","9","1") = "8"
    & skf18("6","3","1","5","9","10","1") = "9"
    & skf18("6","3","1","5","10","1","1") = "9"
    & skf18("6","3","1","5","10","2","1") = "9"
    & skf18("6","3","1","5","10","3","1") = "9"
    & skf18("6","3","1","5","10","4","1") = "9"
    & skf18("6","3","1","5","10","5","1") = "9"
    & skf18("6","3","1","5","10","6","1") = "9"
    & skf18("6","3","1","5","10","7","1") = "9"
    & skf18("6","3","1","5","10","8","1") = "9"
    & skf18("6","3","1","5","10","9","1") = "9"
    & skf18("6","3","1","5","10","10","1") = "9"
    & skf18("6","3","1","6","1","1","1") = "5"
    & skf18("6","3","1","6","1","2","1") = "5"
    & skf18("6","3","1","6","1","3","1") = "5"
    & skf18("6","3","1","6","1","4","1") = "5"
    & skf18("6","3","1","6","1","5","1") = "5"
    & skf18("6","3","1","6","1","6","1") = "5"
    & skf18("6","3","1","6","1","7","1") = "6"
    & skf18("6","3","1","6","1","8","1") = "7"
    & skf18("6","3","1","6","1","9","1") = "8"
    & skf18("6","3","1","6","1","10","1") = "9"
    & skf18("6","3","1","6","2","1","1") = "5"
    & skf18("6","3","1","6","2","2","1") = "5"
    & skf18("6","3","1","6","2","3","1") = "5"
    & skf18("6","3","1","6","2","4","1") = "5"
    & skf18("6","3","1","6","2","5","1") = "5"
    & skf18("6","3","1","6","2","6","1") = "5"
    & skf18("6","3","1","6","2","7","1") = "6"
    & skf18("6","3","1","6","2","8","1") = "7"
    & skf18("6","3","1","6","2","9","1") = "8"
    & skf18("6","3","1","6","2","10","1") = "9"
    & skf18("6","3","1","6","3","1","1") = "5"
    & skf18("6","3","1","6","3","2","1") = "5"
    & skf18("6","3","1","6","3","3","1") = "5"
    & skf18("6","3","1","6","3","4","1") = "5"
    & skf18("6","3","1","6","3","5","1") = "5"
    & skf18("6","3","1","6","3","6","1") = "5"
    & skf18("6","3","1","6","3","7","1") = "6"
    & skf18("6","3","1","6","3","8","1") = "7"
    & skf18("6","3","1","6","3","9","1") = "8"
    & skf18("6","3","1","6","3","10","1") = "9"
    & skf18("6","3","1","6","4","1","1") = "5"
    & skf18("6","3","1","6","4","2","1") = "5"
    & skf18("6","3","1","6","4","3","1") = "5"
    & skf18("6","3","1","6","4","4","1") = "5"
    & skf18("6","3","1","6","4","5","1") = "5"
    & skf18("6","3","1","6","4","6","1") = "5"
    & skf18("6","3","1","6","4","7","1") = "6"
    & skf18("6","3","1","6","4","8","1") = "7"
    & skf18("6","3","1","6","4","9","1") = "8"
    & skf18("6","3","1","6","4","10","1") = "9"
    & skf18("6","3","1","6","5","1","1") = "5"
    & skf18("6","3","1","6","5","2","1") = "5"
    & skf18("6","3","1","6","5","3","1") = "5"
    & skf18("6","3","1","6","5","4","1") = "5"
    & skf18("6","3","1","6","5","5","1") = "5"
    & skf18("6","3","1","6","5","6","1") = "5"
    & skf18("6","3","1","6","5","7","1") = "6"
    & skf18("6","3","1","6","5","8","1") = "7"
    & skf18("6","3","1","6","5","9","1") = "8"
    & skf18("6","3","1","6","5","10","1") = "9"
    & skf18("6","3","1","6","6","1","1") = "5"
    & skf18("6","3","1","6","6","2","1") = "5"
    & skf18("6","3","1","6","6","3","1") = "5"
    & skf18("6","3","1","6","6","4","1") = "5"
    & skf18("6","3","1","6","6","5","1") = "5"
    & skf18("6","3","1","6","6","6","1") = "5"
    & skf18("6","3","1","6","6","7","1") = "6"
    & skf18("6","3","1","6","6","8","1") = "7"
    & skf18("6","3","1","6","6","9","1") = "8"
    & skf18("6","3","1","6","6","10","1") = "9"
    & skf18("6","3","1","6","7","1","1") = "6"
    & skf18("6","3","1","6","7","2","1") = "6"
    & skf18("6","3","1","6","7","3","1") = "6"
    & skf18("6","3","1","6","7","4","1") = "6"
    & skf18("6","3","1","6","7","5","1") = "6"
    & skf18("6","3","1","6","7","6","1") = "6"
    & skf18("6","3","1","6","7","7","1") = "6"
    & skf18("6","3","1","6","7","8","1") = "7"
    & skf18("6","3","1","6","7","9","1") = "8"
    & skf18("6","3","1","6","7","10","1") = "9"
    & skf18("6","3","1","6","8","1","1") = "7"
    & skf18("6","3","1","6","8","2","1") = "7"
    & skf18("6","3","1","6","8","3","1") = "7"
    & skf18("6","3","1","6","8","4","1") = "7"
    & skf18("6","3","1","6","8","5","1") = "7"
    & skf18("6","3","1","6","8","6","1") = "7"
    & skf18("6","3","1","6","8","7","1") = "7"
    & skf18("6","3","1","6","8","8","1") = "7"
    & skf18("6","3","1","6","8","9","1") = "8"
    & skf18("6","3","1","6","8","10","1") = "9"
    & skf18("6","3","1","6","9","1","1") = "8"
    & skf18("6","3","1","6","9","2","1") = "8"
    & skf18("6","3","1","6","9","3","1") = "8"
    & skf18("6","3","1","6","9","4","1") = "8"
    & skf18("6","3","1","6","9","5","1") = "8"
    & skf18("6","3","1","6","9","6","1") = "8"
    & skf18("6","3","1","6","9","7","1") = "8"
    & skf18("6","3","1","6","9","8","1") = "8"
    & skf18("6","3","1","6","9","9","1") = "8"
    & skf18("6","3","1","6","9","10","1") = "9"
    & skf18("6","3","1","6","10","1","1") = "9"
    & skf18("6","3","1","6","10","2","1") = "9"
    & skf18("6","3","1","6","10","3","1") = "9"
    & skf18("6","3","1","6","10","4","1") = "9"
    & skf18("6","3","1","6","10","5","1") = "9"
    & skf18("6","3","1","6","10","6","1") = "9"
    & skf18("6","3","1","6","10","7","1") = "9"
    & skf18("6","3","1","6","10","8","1") = "9"
    & skf18("6","3","1","6","10","9","1") = "9"
    & skf18("6","3","1","6","10","10","1") = "9"
    & skf18("6","3","1","7","1","1","1") = "6"
    & skf18("6","3","1","7","1","2","1") = "6"
    & skf18("6","3","1","7","1","3","1") = "6"
    & skf18("6","3","1","7","1","4","1") = "6"
    & skf18("6","3","1","7","1","5","1") = "6"
    & skf18("6","3","1","7","1","6","1") = "6"
    & skf18("6","3","1","7","1","7","1") = "6"
    & skf18("6","3","1","7","1","8","1") = "7"
    & skf18("6","3","1","7","1","9","1") = "8"
    & skf18("6","3","1","7","1","10","1") = "9"
    & skf18("6","3","1","7","2","1","1") = "6"
    & skf18("6","3","1","7","2","2","1") = "6"
    & skf18("6","3","1","7","2","3","1") = "6"
    & skf18("6","3","1","7","2","4","1") = "6"
    & skf18("6","3","1","7","2","5","1") = "6"
    & skf18("6","3","1","7","2","6","1") = "6"
    & skf18("6","3","1","7","2","7","1") = "6"
    & skf18("6","3","1","7","2","8","1") = "7"
    & skf18("6","3","1","7","2","9","1") = "8"
    & skf18("6","3","1","7","2","10","1") = "9"
    & skf18("6","3","1","7","3","1","1") = "6"
    & skf18("6","3","1","7","3","2","1") = "6"
    & skf18("6","3","1","7","3","3","1") = "6"
    & skf18("6","3","1","7","3","4","1") = "6"
    & skf18("6","3","1","7","3","5","1") = "6"
    & skf18("6","3","1","7","3","6","1") = "6"
    & skf18("6","3","1","7","3","7","1") = "6"
    & skf18("6","3","1","7","3","8","1") = "7"
    & skf18("6","3","1","7","3","9","1") = "8"
    & skf18("6","3","1","7","3","10","1") = "9"
    & skf18("6","3","1","7","4","1","1") = "6"
    & skf18("6","3","1","7","4","2","1") = "6"
    & skf18("6","3","1","7","4","3","1") = "6"
    & skf18("6","3","1","7","4","4","1") = "6"
    & skf18("6","3","1","7","4","5","1") = "6"
    & skf18("6","3","1","7","4","6","1") = "6"
    & skf18("6","3","1","7","4","7","1") = "6"
    & skf18("6","3","1","7","4","8","1") = "7"
    & skf18("6","3","1","7","4","9","1") = "8"
    & skf18("6","3","1","7","4","10","1") = "9"
    & skf18("6","3","1","7","5","1","1") = "6"
    & skf18("6","3","1","7","5","2","1") = "6"
    & skf18("6","3","1","7","5","3","1") = "6"
    & skf18("6","3","1","7","5","4","1") = "6"
    & skf18("6","3","1","7","5","5","1") = "6"
    & skf18("6","3","1","7","5","6","1") = "6"
    & skf18("6","3","1","7","5","7","1") = "6"
    & skf18("6","3","1","7","5","8","1") = "7"
    & skf18("6","3","1","7","5","9","1") = "8"
    & skf18("6","3","1","7","5","10","1") = "9"
    & skf18("6","3","1","7","6","1","1") = "6"
    & skf18("6","3","1","7","6","2","1") = "6"
    & skf18("6","3","1","7","6","3","1") = "6"
    & skf18("6","3","1","7","6","4","1") = "6"
    & skf18("6","3","1","7","6","5","1") = "6"
    & skf18("6","3","1","7","6","6","1") = "6"
    & skf18("6","3","1","7","6","7","1") = "6"
    & skf18("6","3","1","7","6","8","1") = "7"
    & skf18("6","3","1","7","6","9","1") = "8"
    & skf18("6","3","1","7","6","10","1") = "9"
    & skf18("6","3","1","7","7","1","1") = "6"
    & skf18("6","3","1","7","7","2","1") = "6"
    & skf18("6","3","1","7","7","3","1") = "6"
    & skf18("6","3","1","7","7","4","1") = "6"
    & skf18("6","3","1","7","7","5","1") = "6"
    & skf18("6","3","1","7","7","6","1") = "6"
    & skf18("6","3","1","7","7","7","1") = "6"
    & skf18("6","3","1","7","7","8","1") = "7"
    & skf18("6","3","1","7","7","9","1") = "8"
    & skf18("6","3","1","7","7","10","1") = "9"
    & skf18("6","3","1","7","8","1","1") = "7"
    & skf18("6","3","1","7","8","2","1") = "7"
    & skf18("6","3","1","7","8","3","1") = "7"
    & skf18("6","3","1","7","8","4","1") = "7"
    & skf18("6","3","1","7","8","5","1") = "7"
    & skf18("6","3","1","7","8","6","1") = "7"
    & skf18("6","3","1","7","8","7","1") = "7"
    & skf18("6","3","1","7","8","8","1") = "7"
    & skf18("6","3","1","7","8","9","1") = "8"
    & skf18("6","3","1","7","8","10","1") = "9"
    & skf18("6","3","1","7","9","1","1") = "8"
    & skf18("6","3","1","7","9","2","1") = "8"
    & skf18("6","3","1","7","9","3","1") = "8"
    & skf18("6","3","1","7","9","4","1") = "8"
    & skf18("6","3","1","7","9","5","1") = "8"
    & skf18("6","3","1","7","9","6","1") = "8"
    & skf18("6","3","1","7","9","7","1") = "8"
    & skf18("6","3","1","7","9","8","1") = "8"
    & skf18("6","3","1","7","9","9","1") = "8"
    & skf18("6","3","1","7","9","10","1") = "9"
    & skf18("6","3","1","7","10","1","1") = "9"
    & skf18("6","3","1","7","10","2","1") = "9"
    & skf18("6","3","1","7","10","3","1") = "9"
    & skf18("6","3","1","7","10","4","1") = "9"
    & skf18("6","3","1","7","10","5","1") = "9"
    & skf18("6","3","1","7","10","6","1") = "9"
    & skf18("6","3","1","7","10","7","1") = "9"
    & skf18("6","3","1","7","10","8","1") = "9"
    & skf18("6","3","1","7","10","9","1") = "9"
    & skf18("6","3","1","7","10","10","1") = "9"
    & skf18("6","3","1","8","1","1","1") = "7"
    & skf18("6","3","1","8","1","2","1") = "7"
    & skf18("6","3","1","8","1","3","1") = "7"
    & skf18("6","3","1","8","1","4","1") = "7"
    & skf18("6","3","1","8","1","5","1") = "7"
    & skf18("6","3","1","8","1","6","1") = "7"
    & skf18("6","3","1","8","1","7","1") = "7"
    & skf18("6","3","1","8","1","8","1") = "7"
    & skf18("6","3","1","8","1","9","1") = "8"
    & skf18("6","3","1","8","1","10","1") = "9"
    & skf18("6","3","1","8","2","1","1") = "7"
    & skf18("6","3","1","8","2","2","1") = "7"
    & skf18("6","3","1","8","2","3","1") = "7"
    & skf18("6","3","1","8","2","4","1") = "7"
    & skf18("6","3","1","8","2","5","1") = "7"
    & skf18("6","3","1","8","2","6","1") = "7"
    & skf18("6","3","1","8","2","7","1") = "7"
    & skf18("6","3","1","8","2","8","1") = "7"
    & skf18("6","3","1","8","2","9","1") = "8"
    & skf18("6","3","1","8","2","10","1") = "9"
    & skf18("6","3","1","8","3","1","1") = "7"
    & skf18("6","3","1","8","3","2","1") = "7"
    & skf18("6","3","1","8","3","3","1") = "7"
    & skf18("6","3","1","8","3","4","1") = "7"
    & skf18("6","3","1","8","3","5","1") = "7"
    & skf18("6","3","1","8","3","6","1") = "7"
    & skf18("6","3","1","8","3","7","1") = "7"
    & skf18("6","3","1","8","3","8","1") = "7"
    & skf18("6","3","1","8","3","9","1") = "8"
    & skf18("6","3","1","8","3","10","1") = "9"
    & skf18("6","3","1","8","4","1","1") = "7"
    & skf18("6","3","1","8","4","2","1") = "7"
    & skf18("6","3","1","8","4","3","1") = "7"
    & skf18("6","3","1","8","4","4","1") = "7"
    & skf18("6","3","1","8","4","5","1") = "7"
    & skf18("6","3","1","8","4","6","1") = "7"
    & skf18("6","3","1","8","4","7","1") = "7"
    & skf18("6","3","1","8","4","8","1") = "7"
    & skf18("6","3","1","8","4","9","1") = "8"
    & skf18("6","3","1","8","4","10","1") = "9"
    & skf18("6","3","1","8","5","1","1") = "7"
    & skf18("6","3","1","8","5","2","1") = "7"
    & skf18("6","3","1","8","5","3","1") = "7"
    & skf18("6","3","1","8","5","4","1") = "7"
    & skf18("6","3","1","8","5","5","1") = "7"
    & skf18("6","3","1","8","5","6","1") = "7"
    & skf18("6","3","1","8","5","7","1") = "7"
    & skf18("6","3","1","8","5","8","1") = "7"
    & skf18("6","3","1","8","5","9","1") = "8"
    & skf18("6","3","1","8","5","10","1") = "9"
    & skf18("6","3","1","8","6","1","1") = "7"
    & skf18("6","3","1","8","6","2","1") = "7"
    & skf18("6","3","1","8","6","3","1") = "7"
    & skf18("6","3","1","8","6","4","1") = "7"
    & skf18("6","3","1","8","6","5","1") = "7"
    & skf18("6","3","1","8","6","6","1") = "7"
    & skf18("6","3","1","8","6","7","1") = "7"
    & skf18("6","3","1","8","6","8","1") = "7"
    & skf18("6","3","1","8","6","9","1") = "8"
    & skf18("6","3","1","8","6","10","1") = "9"
    & skf18("6","3","1","8","7","1","1") = "7"
    & skf18("6","3","1","8","7","2","1") = "7"
    & skf18("6","3","1","8","7","3","1") = "7"
    & skf18("6","3","1","8","7","4","1") = "7"
    & skf18("6","3","1","8","7","5","1") = "7"
    & skf18("6","3","1","8","7","6","1") = "7"
    & skf18("6","3","1","8","7","7","1") = "7"
    & skf18("6","3","1","8","7","8","1") = "7"
    & skf18("6","3","1","8","7","9","1") = "8"
    & skf18("6","3","1","8","7","10","1") = "9"
    & skf18("6","3","1","8","8","1","1") = "7"
    & skf18("6","3","1","8","8","2","1") = "7"
    & skf18("6","3","1","8","8","3","1") = "7"
    & skf18("6","3","1","8","8","4","1") = "7"
    & skf18("6","3","1","8","8","5","1") = "7"
    & skf18("6","3","1","8","8","6","1") = "7"
    & skf18("6","3","1","8","8","7","1") = "7"
    & skf18("6","3","1","8","8","8","1") = "7"
    & skf18("6","3","1","8","8","9","1") = "8"
    & skf18("6","3","1","8","8","10","1") = "9"
    & skf18("6","3","1","8","9","1","1") = "8"
    & skf18("6","3","1","8","9","2","1") = "8"
    & skf18("6","3","1","8","9","3","1") = "8"
    & skf18("6","3","1","8","9","4","1") = "8"
    & skf18("6","3","1","8","9","5","1") = "8"
    & skf18("6","3","1","8","9","6","1") = "8"
    & skf18("6","3","1","8","9","7","1") = "8"
    & skf18("6","3","1","8","9","8","1") = "8"
    & skf18("6","3","1","8","9","9","1") = "8"
    & skf18("6","3","1","8","9","10","1") = "9"
    & skf18("6","3","1","8","10","1","1") = "9"
    & skf18("6","3","1","8","10","2","1") = "9"
    & skf18("6","3","1","8","10","3","1") = "9"
    & skf18("6","3","1","8","10","4","1") = "9"
    & skf18("6","3","1","8","10","5","1") = "9"
    & skf18("6","3","1","8","10","6","1") = "9"
    & skf18("6","3","1","8","10","7","1") = "9"
    & skf18("6","3","1","8","10","8","1") = "9"
    & skf18("6","3","1","8","10","9","1") = "9"
    & skf18("6","3","1","8","10","10","1") = "9"
    & skf18("6","3","1","9","1","1","1") = "8"
    & skf18("6","3","1","9","1","2","1") = "8"
    & skf18("6","3","1","9","1","3","1") = "8"
    & skf18("6","3","1","9","1","4","1") = "8"
    & skf18("6","3","1","9","1","5","1") = "8"
    & skf18("6","3","1","9","1","6","1") = "8"
    & skf18("6","3","1","9","1","7","1") = "8"
    & skf18("6","3","1","9","1","8","1") = "8"
    & skf18("6","3","1","9","1","9","1") = "8"
    & skf18("6","3","1","9","1","10","1") = "9"
    & skf18("6","3","1","9","2","1","1") = "8"
    & skf18("6","3","1","9","2","2","1") = "8"
    & skf18("6","3","1","9","2","3","1") = "8"
    & skf18("6","3","1","9","2","4","1") = "8"
    & skf18("6","3","1","9","2","5","1") = "8"
    & skf18("6","3","1","9","2","6","1") = "8"
    & skf18("6","3","1","9","2","7","1") = "8"
    & skf18("6","3","1","9","2","8","1") = "8"
    & skf18("6","3","1","9","2","9","1") = "8"
    & skf18("6","3","1","9","2","10","1") = "9"
    & skf18("6","3","1","9","3","1","1") = "8"
    & skf18("6","3","1","9","3","2","1") = "8"
    & skf18("6","3","1","9","3","3","1") = "8"
    & skf18("6","3","1","9","3","4","1") = "8"
    & skf18("6","3","1","9","3","5","1") = "8"
    & skf18("6","3","1","9","3","6","1") = "8"
    & skf18("6","3","1","9","3","7","1") = "8"
    & skf18("6","3","1","9","3","8","1") = "8"
    & skf18("6","3","1","9","3","9","1") = "8"
    & skf18("6","3","1","9","3","10","1") = "9"
    & skf18("6","3","1","9","4","1","1") = "8"
    & skf18("6","3","1","9","4","2","1") = "8"
    & skf18("6","3","1","9","4","3","1") = "8"
    & skf18("6","3","1","9","4","4","1") = "8"
    & skf18("6","3","1","9","4","5","1") = "8"
    & skf18("6","3","1","9","4","6","1") = "8"
    & skf18("6","3","1","9","4","7","1") = "8"
    & skf18("6","3","1","9","4","8","1") = "8"
    & skf18("6","3","1","9","4","9","1") = "8"
    & skf18("6","3","1","9","4","10","1") = "9"
    & skf18("6","3","1","9","5","1","1") = "8"
    & skf18("6","3","1","9","5","2","1") = "8"
    & skf18("6","3","1","9","5","3","1") = "8"
    & skf18("6","3","1","9","5","4","1") = "8"
    & skf18("6","3","1","9","5","5","1") = "8"
    & skf18("6","3","1","9","5","6","1") = "8"
    & skf18("6","3","1","9","5","7","1") = "8"
    & skf18("6","3","1","9","5","8","1") = "8"
    & skf18("6","3","1","9","5","9","1") = "8"
    & skf18("6","3","1","9","5","10","1") = "9"
    & skf18("6","3","1","9","6","1","1") = "8"
    & skf18("6","3","1","9","6","2","1") = "8"
    & skf18("6","3","1","9","6","3","1") = "8"
    & skf18("6","3","1","9","6","4","1") = "8"
    & skf18("6","3","1","9","6","5","1") = "8"
    & skf18("6","3","1","9","6","6","1") = "8"
    & skf18("6","3","1","9","6","7","1") = "8"
    & skf18("6","3","1","9","6","8","1") = "8"
    & skf18("6","3","1","9","6","9","1") = "8"
    & skf18("6","3","1","9","6","10","1") = "9"
    & skf18("6","3","1","9","7","1","1") = "8"
    & skf18("6","3","1","9","7","2","1") = "8"
    & skf18("6","3","1","9","7","3","1") = "8"
    & skf18("6","3","1","9","7","4","1") = "8"
    & skf18("6","3","1","9","7","5","1") = "8"
    & skf18("6","3","1","9","7","6","1") = "8"
    & skf18("6","3","1","9","7","7","1") = "8"
    & skf18("6","3","1","9","7","8","1") = "8"
    & skf18("6","3","1","9","7","9","1") = "8"
    & skf18("6","3","1","9","7","10","1") = "9"
    & skf18("6","3","1","9","8","1","1") = "8"
    & skf18("6","3","1","9","8","2","1") = "8"
    & skf18("6","3","1","9","8","3","1") = "8"
    & skf18("6","3","1","9","8","4","1") = "8"
    & skf18("6","3","1","9","8","5","1") = "8"
    & skf18("6","3","1","9","8","6","1") = "8"
    & skf18("6","3","1","9","8","7","1") = "8"
    & skf18("6","3","1","9","8","8","1") = "8"
    & skf18("6","3","1","9","8","9","1") = "8"
    & skf18("6","3","1","9","8","10","1") = "9"
    & skf18("6","3","1","9","9","1","1") = "8"
    & skf18("6","3","1","9","9","2","1") = "8"
    & skf18("6","3","1","9","9","3","1") = "8"
    & skf18("6","3","1","9","9","4","1") = "8"
    & skf18("6","3","1","9","9","5","1") = "8"
    & skf18("6","3","1","9","9","6","1") = "8"
    & skf18("6","3","1","9","9","7","1") = "8"
    & skf18("6","3","1","9","9","8","1") = "8"
    & skf18("6","3","1","9","9","9","1") = "8"
    & skf18("6","3","1","9","9","10","1") = "9"
    & skf18("6","3","1","9","10","1","1") = "9"
    & skf18("6","3","1","9","10","2","1") = "9"
    & skf18("6","3","1","9","10","3","1") = "9"
    & skf18("6","3","1","9","10","4","1") = "9"
    & skf18("6","3","1","9","10","5","1") = "9"
    & skf18("6","3","1","9","10","6","1") = "9"
    & skf18("6","3","1","9","10","7","1") = "9"
    & skf18("6","3","1","9","10","8","1") = "9"
    & skf18("6","3","1","9","10","9","1") = "9"
    & skf18("6","3","1","9","10","10","1") = "9"
    & skf18("6","3","1","10","1","1","1") = "9"
    & skf18("6","3","1","10","1","2","1") = "9"
    & skf18("6","3","1","10","1","3","1") = "9"
    & skf18("6","3","1","10","1","4","1") = "9"
    & skf18("6","3","1","10","1","5","1") = "9"
    & skf18("6","3","1","10","1","6","1") = "9"
    & skf18("6","3","1","10","1","7","1") = "9"
    & skf18("6","3","1","10","1","8","1") = "9"
    & skf18("6","3","1","10","1","9","1") = "9"
    & skf18("6","3","1","10","1","10","1") = "9"
    & skf18("6","3","1","10","2","1","1") = "9"
    & skf18("6","3","1","10","2","2","1") = "9"
    & skf18("6","3","1","10","2","3","1") = "9"
    & skf18("6","3","1","10","2","4","1") = "9"
    & skf18("6","3","1","10","2","5","1") = "9"
    & skf18("6","3","1","10","2","6","1") = "9"
    & skf18("6","3","1","10","2","7","1") = "9"
    & skf18("6","3","1","10","2","8","1") = "9"
    & skf18("6","3","1","10","2","9","1") = "9"
    & skf18("6","3","1","10","2","10","1") = "9"
    & skf18("6","3","1","10","3","1","1") = "9"
    & skf18("6","3","1","10","3","2","1") = "9"
    & skf18("6","3","1","10","3","3","1") = "9"
    & skf18("6","3","1","10","3","4","1") = "9"
    & skf18("6","3","1","10","3","5","1") = "9"
    & skf18("6","3","1","10","3","6","1") = "9"
    & skf18("6","3","1","10","3","7","1") = "9"
    & skf18("6","3","1","10","3","8","1") = "9"
    & skf18("6","3","1","10","3","9","1") = "9"
    & skf18("6","3","1","10","3","10","1") = "9"
    & skf18("6","3","1","10","4","1","1") = "9"
    & skf18("6","3","1","10","4","2","1") = "9"
    & skf18("6","3","1","10","4","3","1") = "9"
    & skf18("6","3","1","10","4","4","1") = "9"
    & skf18("6","3","1","10","4","5","1") = "9"
    & skf18("6","3","1","10","4","6","1") = "9"
    & skf18("6","3","1","10","4","7","1") = "9"
    & skf18("6","3","1","10","4","8","1") = "9"
    & skf18("6","3","1","10","4","9","1") = "9"
    & skf18("6","3","1","10","4","10","1") = "9"
    & skf18("6","3","1","10","5","1","1") = "9"
    & skf18("6","3","1","10","5","2","1") = "9"
    & skf18("6","3","1","10","5","3","1") = "9"
    & skf18("6","3","1","10","5","4","1") = "9"
    & skf18("6","3","1","10","5","5","1") = "9"
    & skf18("6","3","1","10","5","6","1") = "9"
    & skf18("6","3","1","10","5","7","1") = "9"
    & skf18("6","3","1","10","5","8","1") = "9"
    & skf18("6","3","1","10","5","9","1") = "9"
    & skf18("6","3","1","10","5","10","1") = "9"
    & skf18("6","3","1","10","6","1","1") = "9"
    & skf18("6","3","1","10","6","2","1") = "9"
    & skf18("6","3","1","10","6","3","1") = "9"
    & skf18("6","3","1","10","6","4","1") = "9"
    & skf18("6","3","1","10","6","5","1") = "9"
    & skf18("6","3","1","10","6","6","1") = "9"
    & skf18("6","3","1","10","6","7","1") = "9"
    & skf18("6","3","1","10","6","8","1") = "9"
    & skf18("6","3","1","10","6","9","1") = "9"
    & skf18("6","3","1","10","6","10","1") = "9"
    & skf18("6","3","1","10","7","1","1") = "9"
    & skf18("6","3","1","10","7","2","1") = "9"
    & skf18("6","3","1","10","7","3","1") = "9"
    & skf18("6","3","1","10","7","4","1") = "9"
    & skf18("6","3","1","10","7","5","1") = "9"
    & skf18("6","3","1","10","7","6","1") = "9"
    & skf18("6","3","1","10","7","7","1") = "9"
    & skf18("6","3","1","10","7","8","1") = "9"
    & skf18("6","3","1","10","7","9","1") = "9"
    & skf18("6","3","1","10","7","10","1") = "9"
    & skf18("6","3","1","10","8","1","1") = "9"
    & skf18("6","3","1","10","8","2","1") = "9"
    & skf18("6","3","1","10","8","3","1") = "9"
    & skf18("6","3","1","10","8","4","1") = "9"
    & skf18("6","3","1","10","8","5","1") = "9"
    & skf18("6","3","1","10","8","6","1") = "9"
    & skf18("6","3","1","10","8","7","1") = "9"
    & skf18("6","3","1","10","8","8","1") = "9"
    & skf18("6","3","1","10","8","9","1") = "9"
    & skf18("6","3","1","10","8","10","1") = "9"
    & skf18("6","3","1","10","9","1","1") = "9"
    & skf18("6","3","1","10","9","2","1") = "9"
    & skf18("6","3","1","10","9","3","1") = "9"
    & skf18("6","3","1","10","9","4","1") = "9"
    & skf18("6","3","1","10","9","5","1") = "9"
    & skf18("6","3","1","10","9","6","1") = "9"
    & skf18("6","3","1","10","9","7","1") = "9"
    & skf18("6","3","1","10","9","8","1") = "9"
    & skf18("6","3","1","10","9","9","1") = "9"
    & skf18("6","3","1","10","9","10","1") = "9"
    & skf18("6","3","1","10","10","1","1") = "9"
    & skf18("6","3","1","10","10","2","1") = "9"
    & skf18("6","3","1","10","10","3","1") = "9"
    & skf18("6","3","1","10","10","4","1") = "9"
    & skf18("6","3","1","10","10","5","1") = "9"
    & skf18("6","3","1","10","10","6","1") = "9"
    & skf18("6","3","1","10","10","7","1") = "9"
    & skf18("6","3","1","10","10","8","1") = "9"
    & skf18("6","3","1","10","10","9","1") = "9"
    & skf18("6","3","1","10","10","10","1") = "9"
    & skf18("6","3","2","1","1","1","1") = "5"
    & skf18("6","3","2","1","1","2","1") = "5"
    & skf18("6","3","2","1","1","3","1") = "5"
    & skf18("6","3","2","1","1","4","1") = "5"
    & skf18("6","3","2","1","1","5","1") = "5"
    & skf18("6","3","2","1","1","6","1") = "5"
    & skf18("6","3","2","1","1","7","1") = "6"
    & skf18("6","3","2","1","1","8","1") = "7"
    & skf18("6","3","2","1","1","9","1") = "8"
    & skf18("6","3","2","1","1","10","1") = "9"
    & skf18("6","3","2","1","2","1","1") = "5"
    & skf18("6","3","2","1","2","2","1") = "5"
    & skf18("6","3","2","1","2","3","1") = "5"
    & skf18("6","3","2","1","2","4","1") = "5"
    & skf18("6","3","2","1","2","5","1") = "5"
    & skf18("6","3","2","1","2","6","1") = "5"
    & skf18("6","3","2","1","2","7","1") = "6"
    & skf18("6","3","2","1","2","8","1") = "7"
    & skf18("6","3","2","1","2","9","1") = "8"
    & skf18("6","3","2","1","2","10","1") = "9"
    & skf18("6","3","2","1","3","1","1") = "5"
    & skf18("6","3","2","1","3","2","1") = "5"
    & skf18("6","3","2","1","3","3","1") = "5"
    & skf18("6","3","2","1","3","4","1") = "5"
    & skf18("6","3","2","1","3","5","1") = "5"
    & skf18("6","3","2","1","3","6","1") = "5"
    & skf18("6","3","2","1","3","7","1") = "6"
    & skf18("6","3","2","1","3","8","1") = "7"
    & skf18("6","3","2","1","3","9","1") = "8"
    & skf18("6","3","2","1","3","10","1") = "9"
    & skf18("6","3","2","1","4","1","1") = "5"
    & skf18("6","3","2","1","4","2","1") = "5"
    & skf18("6","3","2","1","4","3","1") = "5"
    & skf18("6","3","2","1","4","4","1") = "5"
    & skf18("6","3","2","1","4","5","1") = "5"
    & skf18("6","3","2","1","4","6","1") = "5"
    & skf18("6","3","2","1","4","7","1") = "6"
    & skf18("6","3","2","1","4","8","1") = "7"
    & skf18("6","3","2","1","4","9","1") = "8"
    & skf18("6","3","2","1","4","10","1") = "9"
    & skf18("6","3","2","1","5","1","1") = "5"
    & skf18("6","3","2","1","5","2","1") = "5"
    & skf18("6","3","2","1","5","3","1") = "5"
    & skf18("6","3","2","1","5","4","1") = "5"
    & skf18("6","3","2","1","5","5","1") = "5"
    & skf18("6","3","2","1","5","6","1") = "5"
    & skf18("6","3","2","1","5","7","1") = "6"
    & skf18("6","3","2","1","5","8","1") = "7"
    & skf18("6","3","2","1","5","9","1") = "8"
    & skf18("6","3","2","1","5","10","1") = "9"
    & skf18("6","3","2","1","6","1","1") = "5"
    & skf18("6","3","2","1","6","2","1") = "5"
    & skf18("6","3","2","1","6","3","1") = "5"
    & skf18("6","3","2","1","6","4","1") = "5"
    & skf18("6","3","2","1","6","5","1") = "5"
    & skf18("6","3","2","1","6","6","1") = "5"
    & skf18("6","3","2","1","6","7","1") = "6"
    & skf18("6","3","2","1","6","8","1") = "7"
    & skf18("6","3","2","1","6","9","1") = "8"
    & skf18("6","3","2","1","6","10","1") = "9"
    & skf18("6","3","2","1","7","1","1") = "6"
    & skf18("6","3","2","1","7","2","1") = "6"
    & skf18("6","3","2","1","7","3","1") = "6"
    & skf18("6","3","2","1","7","4","1") = "6"
    & skf18("6","3","2","1","7","5","1") = "6"
    & skf18("6","3","2","1","7","6","1") = "6"
    & skf18("6","3","2","1","7","7","1") = "6"
    & skf18("6","3","2","1","7","8","1") = "7"
    & skf18("6","3","2","1","7","9","1") = "8"
    & skf18("6","3","2","1","7","10","1") = "9"
    & skf18("6","3","2","1","8","1","1") = "7"
    & skf18("6","3","2","1","8","2","1") = "7"
    & skf18("6","3","2","1","8","3","1") = "7"
    & skf18("6","3","2","1","8","4","1") = "7"
    & skf18("6","3","2","1","8","5","1") = "7"
    & skf18("6","3","2","1","8","6","1") = "7"
    & skf18("6","3","2","1","8","7","1") = "7"
    & skf18("6","3","2","1","8","8","1") = "7"
    & skf18("6","3","2","1","8","9","1") = "8"
    & skf18("6","3","2","1","8","10","1") = "9"
    & skf18("6","3","2","1","9","1","1") = "8"
    & skf18("6","3","2","1","9","2","1") = "8"
    & skf18("6","3","2","1","9","3","1") = "8"
    & skf18("6","3","2","1","9","4","1") = "8"
    & skf18("6","3","2","1","9","5","1") = "8"
    & skf18("6","3","2","1","9","6","1") = "8"
    & skf18("6","3","2","1","9","7","1") = "8"
    & skf18("6","3","2","1","9","8","1") = "8"
    & skf18("6","3","2","1","9","9","1") = "8"
    & skf18("6","3","2","1","9","10","1") = "9"
    & skf18("6","3","2","1","10","1","1") = "9"
    & skf18("6","3","2","1","10","2","1") = "9"
    & skf18("6","3","2","1","10","3","1") = "9"
    & skf18("6","3","2","1","10","4","1") = "9"
    & skf18("6","3","2","1","10","5","1") = "9"
    & skf18("6","3","2","1","10","6","1") = "9"
    & skf18("6","3","2","1","10","7","1") = "9"
    & skf18("6","3","2","1","10","8","1") = "9"
    & skf18("6","3","2","1","10","9","1") = "9"
    & skf18("6","3","2","1","10","10","1") = "9"
    & skf18("6","3","2","2","1","1","1") = "5"
    & skf18("6","3","2","2","1","2","1") = "5"
    & skf18("6","3","2","2","1","3","1") = "5"
    & skf18("6","3","2","2","1","4","1") = "5"
    & skf18("6","3","2","2","1","5","1") = "5"
    & skf18("6","3","2","2","1","6","1") = "5"
    & skf18("6","3","2","2","1","7","1") = "6"
    & skf18("6","3","2","2","1","8","1") = "7"
    & skf18("6","3","2","2","1","9","1") = "8"
    & skf18("6","3","2","2","1","10","1") = "9"
    & skf18("6","3","2","2","2","1","1") = "5"
    & skf18("6","3","2","2","2","2","1") = "5"
    & skf18("6","3","2","2","2","3","1") = "5"
    & skf18("6","3","2","2","2","4","1") = "5"
    & skf18("6","3","2","2","2","5","1") = "5"
    & skf18("6","3","2","2","2","6","1") = "5"
    & skf18("6","3","2","2","2","7","1") = "6"
    & skf18("6","3","2","2","2","8","1") = "7"
    & skf18("6","3","2","2","2","9","1") = "8"
    & skf18("6","3","2","2","2","10","1") = "9"
    & skf18("6","3","2","2","3","1","1") = "5"
    & skf18("6","3","2","2","3","2","1") = "5"
    & skf18("6","3","2","2","3","3","1") = "5"
    & skf18("6","3","2","2","3","4","1") = "5"
    & skf18("6","3","2","2","3","5","1") = "5"
    & skf18("6","3","2","2","3","6","1") = "5"
    & skf18("6","3","2","2","3","7","1") = "6"
    & skf18("6","3","2","2","3","8","1") = "7"
    & skf18("6","3","2","2","3","9","1") = "8"
    & skf18("6","3","2","2","3","10","1") = "9"
    & skf18("6","3","2","2","4","1","1") = "5"
    & skf18("6","3","2","2","4","2","1") = "5"
    & skf18("6","3","2","2","4","3","1") = "5"
    & skf18("6","3","2","2","4","4","1") = "5"
    & skf18("6","3","2","2","4","5","1") = "5"
    & skf18("6","3","2","2","4","6","1") = "5"
    & skf18("6","3","2","2","4","7","1") = "6"
    & skf18("6","3","2","2","4","8","1") = "7"
    & skf18("6","3","2","2","4","9","1") = "8"
    & skf18("6","3","2","2","4","10","1") = "9"
    & skf18("6","3","2","2","5","1","1") = "5"
    & skf18("6","3","2","2","5","2","1") = "5"
    & skf18("6","3","2","2","5","3","1") = "5"
    & skf18("6","3","2","2","5","4","1") = "5"
    & skf18("6","3","2","2","5","5","1") = "5"
    & skf18("6","3","2","2","5","6","1") = "5"
    & skf18("6","3","2","2","5","7","1") = "6"
    & skf18("6","3","2","2","5","8","1") = "7"
    & skf18("6","3","2","2","5","9","1") = "8"
    & skf18("6","3","2","2","5","10","1") = "9"
    & skf18("6","3","2","2","6","1","1") = "5"
    & skf18("6","3","2","2","6","2","1") = "5"
    & skf18("6","3","2","2","6","3","1") = "5"
    & skf18("6","3","2","2","6","4","1") = "5"
    & skf18("6","3","2","2","6","5","1") = "5"
    & skf18("6","3","2","2","6","6","1") = "5"
    & skf18("6","3","2","2","6","7","1") = "6"
    & skf18("6","3","2","2","6","8","1") = "7"
    & skf18("6","3","2","2","6","9","1") = "8"
    & skf18("6","3","2","2","6","10","1") = "9"
    & skf18("6","3","2","2","7","1","1") = "6"
    & skf18("6","3","2","2","7","2","1") = "6"
    & skf18("6","3","2","2","7","3","1") = "6"
    & skf18("6","3","2","2","7","4","1") = "6"
    & skf18("6","3","2","2","7","5","1") = "6"
    & skf18("6","3","2","2","7","6","1") = "6"
    & skf18("6","3","2","2","7","7","1") = "6"
    & skf18("6","3","2","2","7","8","1") = "7"
    & skf18("6","3","2","2","7","9","1") = "8"
    & skf18("6","3","2","2","7","10","1") = "9"
    & skf18("6","3","2","2","8","1","1") = "7"
    & skf18("6","3","2","2","8","2","1") = "7"
    & skf18("6","3","2","2","8","3","1") = "7"
    & skf18("6","3","2","2","8","4","1") = "7"
    & skf18("6","3","2","2","8","5","1") = "7"
    & skf18("6","3","2","2","8","6","1") = "7"
    & skf18("6","3","2","2","8","7","1") = "7"
    & skf18("6","3","2","2","8","8","1") = "7"
    & skf18("6","3","2","2","8","9","1") = "8"
    & skf18("6","3","2","2","8","10","1") = "9"
    & skf18("6","3","2","2","9","1","1") = "8"
    & skf18("6","3","2","2","9","2","1") = "8"
    & skf18("6","3","2","2","9","3","1") = "8"
    & skf18("6","3","2","2","9","4","1") = "8"
    & skf18("6","3","2","2","9","5","1") = "8"
    & skf18("6","3","2","2","9","6","1") = "8"
    & skf18("6","3","2","2","9","7","1") = "8"
    & skf18("6","3","2","2","9","8","1") = "8"
    & skf18("6","3","2","2","9","9","1") = "8"
    & skf18("6","3","2","2","9","10","1") = "9"
    & skf18("6","3","2","2","10","1","1") = "9"
    & skf18("6","3","2","2","10","2","1") = "9"
    & skf18("6","3","2","2","10","3","1") = "9"
    & skf18("6","3","2","2","10","4","1") = "9"
    & skf18("6","3","2","2","10","5","1") = "9"
    & skf18("6","3","2","2","10","6","1") = "9"
    & skf18("6","3","2","2","10","7","1") = "9"
    & skf18("6","3","2","2","10","8","1") = "9"
    & skf18("6","3","2","2","10","9","1") = "9"
    & skf18("6","3","2","2","10","10","1") = "9"
    & skf18("6","3","2","3","1","1","1") = "5"
    & skf18("6","3","2","3","1","2","1") = "5"
    & skf18("6","3","2","3","1","3","1") = "5"
    & skf18("6","3","2","3","1","4","1") = "5"
    & skf18("6","3","2","3","1","5","1") = "5"
    & skf18("6","3","2","3","1","6","1") = "5"
    & skf18("6","3","2","3","1","7","1") = "6"
    & skf18("6","3","2","3","1","8","1") = "7"
    & skf18("6","3","2","3","1","9","1") = "8"
    & skf18("6","3","2","3","1","10","1") = "9"
    & skf18("6","3","2","3","2","1","1") = "5"
    & skf18("6","3","2","3","2","2","1") = "5"
    & skf18("6","3","2","3","2","3","1") = "5"
    & skf18("6","3","2","3","2","4","1") = "5"
    & skf18("6","3","2","3","2","5","1") = "5"
    & skf18("6","3","2","3","2","6","1") = "5"
    & skf18("6","3","2","3","2","7","1") = "6"
    & skf18("6","3","2","3","2","8","1") = "7"
    & skf18("6","3","2","3","2","9","1") = "8"
    & skf18("6","3","2","3","2","10","1") = "9"
    & skf18("6","3","2","3","3","1","1") = "5"
    & skf18("6","3","2","3","3","2","1") = "5"
    & skf18("6","3","2","3","3","3","1") = "5"
    & skf18("6","3","2","3","3","4","1") = "5"
    & skf18("6","3","2","3","3","5","1") = "5"
    & skf18("6","3","2","3","3","6","1") = "5"
    & skf18("6","3","2","3","3","7","1") = "6"
    & skf18("6","3","2","3","3","8","1") = "7"
    & skf18("6","3","2","3","3","9","1") = "8"
    & skf18("6","3","2","3","3","10","1") = "9"
    & skf18("6","3","2","3","4","1","1") = "5"
    & skf18("6","3","2","3","4","2","1") = "5"
    & skf18("6","3","2","3","4","3","1") = "5"
    & skf18("6","3","2","3","4","4","1") = "5"
    & skf18("6","3","2","3","4","5","1") = "5"
    & skf18("6","3","2","3","4","6","1") = "5"
    & skf18("6","3","2","3","4","7","1") = "6"
    & skf18("6","3","2","3","4","8","1") = "7"
    & skf18("6","3","2","3","4","9","1") = "8"
    & skf18("6","3","2","3","4","10","1") = "9"
    & skf18("6","3","2","3","5","1","1") = "5"
    & skf18("6","3","2","3","5","2","1") = "5"
    & skf18("6","3","2","3","5","3","1") = "5"
    & skf18("6","3","2","3","5","4","1") = "5"
    & skf18("6","3","2","3","5","5","1") = "5"
    & skf18("6","3","2","3","5","6","1") = "5"
    & skf18("6","3","2","3","5","7","1") = "6"
    & skf18("6","3","2","3","5","8","1") = "7"
    & skf18("6","3","2","3","5","9","1") = "8"
    & skf18("6","3","2","3","5","10","1") = "9"
    & skf18("6","3","2","3","6","1","1") = "5"
    & skf18("6","3","2","3","6","2","1") = "5"
    & skf18("6","3","2","3","6","3","1") = "5"
    & skf18("6","3","2","3","6","4","1") = "5"
    & skf18("6","3","2","3","6","5","1") = "5"
    & skf18("6","3","2","3","6","6","1") = "5"
    & skf18("6","3","2","3","6","7","1") = "6"
    & skf18("6","3","2","3","6","8","1") = "7"
    & skf18("6","3","2","3","6","9","1") = "8"
    & skf18("6","3","2","3","6","10","1") = "9"
    & skf18("6","3","2","3","7","1","1") = "6"
    & skf18("6","3","2","3","7","2","1") = "6"
    & skf18("6","3","2","3","7","3","1") = "6"
    & skf18("6","3","2","3","7","4","1") = "6"
    & skf18("6","3","2","3","7","5","1") = "6"
    & skf18("6","3","2","3","7","6","1") = "6"
    & skf18("6","3","2","3","7","7","1") = "6"
    & skf18("6","3","2","3","7","8","1") = "7"
    & skf18("6","3","2","3","7","9","1") = "8"
    & skf18("6","3","2","3","7","10","1") = "9"
    & skf18("6","3","2","3","8","1","1") = "7"
    & skf18("6","3","2","3","8","2","1") = "7"
    & skf18("6","3","2","3","8","3","1") = "7"
    & skf18("6","3","2","3","8","4","1") = "7"
    & skf18("6","3","2","3","8","5","1") = "7"
    & skf18("6","3","2","3","8","6","1") = "7"
    & skf18("6","3","2","3","8","7","1") = "7"
    & skf18("6","3","2","3","8","8","1") = "7"
    & skf18("6","3","2","3","8","9","1") = "8"
    & skf18("6","3","2","3","8","10","1") = "9"
    & skf18("6","3","2","3","9","1","1") = "8"
    & skf18("6","3","2","3","9","2","1") = "8"
    & skf18("6","3","2","3","9","3","1") = "8"
    & skf18("6","3","2","3","9","4","1") = "8"
    & skf18("6","3","2","3","9","5","1") = "8"
    & skf18("6","3","2","3","9","6","1") = "8"
    & skf18("6","3","2","3","9","7","1") = "8"
    & skf18("6","3","2","3","9","8","1") = "8"
    & skf18("6","3","2","3","9","9","1") = "8"
    & skf18("6","3","2","3","9","10","1") = "9"
    & skf18("6","3","2","3","10","1","1") = "9"
    & skf18("6","3","2","3","10","2","1") = "9"
    & skf18("6","3","2","3","10","3","1") = "9"
    & skf18("6","3","2","3","10","4","1") = "9"
    & skf18("6","3","2","3","10","5","1") = "9"
    & skf18("6","3","2","3","10","6","1") = "9"
    & skf18("6","3","2","3","10","7","1") = "9"
    & skf18("6","3","2","3","10","8","1") = "9"
    & skf18("6","3","2","3","10","9","1") = "9"
    & skf18("6","3","2","3","10","10","1") = "9"
    & skf18("6","3","2","4","1","1","1") = "5"
    & skf18("6","3","2","4","1","2","1") = "5"
    & skf18("6","3","2","4","1","3","1") = "5"
    & skf18("6","3","2","4","1","4","1") = "5"
    & skf18("6","3","2","4","1","5","1") = "5"
    & skf18("6","3","2","4","1","6","1") = "5"
    & skf18("6","3","2","4","1","7","1") = "6"
    & skf18("6","3","2","4","1","8","1") = "7"
    & skf18("6","3","2","4","1","9","1") = "8"
    & skf18("6","3","2","4","1","10","1") = "9"
    & skf18("6","3","2","4","2","1","1") = "5"
    & skf18("6","3","2","4","2","2","1") = "5"
    & skf18("6","3","2","4","2","3","1") = "5"
    & skf18("6","3","2","4","2","4","1") = "5"
    & skf18("6","3","2","4","2","5","1") = "5"
    & skf18("6","3","2","4","2","6","1") = "5"
    & skf18("6","3","2","4","2","7","1") = "6"
    & skf18("6","3","2","4","2","8","1") = "7"
    & skf18("6","3","2","4","2","9","1") = "8"
    & skf18("6","3","2","4","2","10","1") = "9"
    & skf18("6","3","2","4","3","1","1") = "5"
    & skf18("6","3","2","4","3","2","1") = "5"
    & skf18("6","3","2","4","3","3","1") = "5"
    & skf18("6","3","2","4","3","4","1") = "5"
    & skf18("6","3","2","4","3","5","1") = "5"
    & skf18("6","3","2","4","3","6","1") = "5"
    & skf18("6","3","2","4","3","7","1") = "6"
    & skf18("6","3","2","4","3","8","1") = "7"
    & skf18("6","3","2","4","3","9","1") = "8"
    & skf18("6","3","2","4","3","10","1") = "9"
    & skf18("6","3","2","4","4","1","1") = "5"
    & skf18("6","3","2","4","4","2","1") = "5"
    & skf18("6","3","2","4","4","3","1") = "5"
    & skf18("6","3","2","4","4","4","1") = "5"
    & skf18("6","3","2","4","4","5","1") = "5"
    & skf18("6","3","2","4","4","6","1") = "5"
    & skf18("6","3","2","4","4","7","1") = "6"
    & skf18("6","3","2","4","4","8","1") = "7"
    & skf18("6","3","2","4","4","9","1") = "8"
    & skf18("6","3","2","4","4","10","1") = "9"
    & skf18("6","3","2","4","5","1","1") = "5"
    & skf18("6","3","2","4","5","2","1") = "5"
    & skf18("6","3","2","4","5","3","1") = "5"
    & skf18("6","3","2","4","5","4","1") = "5"
    & skf18("6","3","2","4","5","5","1") = "5"
    & skf18("6","3","2","4","5","6","1") = "5"
    & skf18("6","3","2","4","5","7","1") = "6"
    & skf18("6","3","2","4","5","8","1") = "7"
    & skf18("6","3","2","4","5","9","1") = "8"
    & skf18("6","3","2","4","5","10","1") = "9"
    & skf18("6","3","2","4","6","1","1") = "5"
    & skf18("6","3","2","4","6","2","1") = "5"
    & skf18("6","3","2","4","6","3","1") = "5"
    & skf18("6","3","2","4","6","4","1") = "5"
    & skf18("6","3","2","4","6","5","1") = "5"
    & skf18("6","3","2","4","6","6","1") = "5"
    & skf18("6","3","2","4","6","7","1") = "6"
    & skf18("6","3","2","4","6","8","1") = "7"
    & skf18("6","3","2","4","6","9","1") = "8"
    & skf18("6","3","2","4","6","10","1") = "9"
    & skf18("6","3","2","4","7","1","1") = "6"
    & skf18("6","3","2","4","7","2","1") = "6"
    & skf18("6","3","2","4","7","3","1") = "6"
    & skf18("6","3","2","4","7","4","1") = "6"
    & skf18("6","3","2","4","7","5","1") = "6"
    & skf18("6","3","2","4","7","6","1") = "6"
    & skf18("6","3","2","4","7","7","1") = "6"
    & skf18("6","3","2","4","7","8","1") = "7"
    & skf18("6","3","2","4","7","9","1") = "8"
    & skf18("6","3","2","4","7","10","1") = "9"
    & skf18("6","3","2","4","8","1","1") = "7"
    & skf18("6","3","2","4","8","2","1") = "7"
    & skf18("6","3","2","4","8","3","1") = "7"
    & skf18("6","3","2","4","8","4","1") = "7"
    & skf18("6","3","2","4","8","5","1") = "7"
    & skf18("6","3","2","4","8","6","1") = "7"
    & skf18("6","3","2","4","8","7","1") = "7"
    & skf18("6","3","2","4","8","8","1") = "7"
    & skf18("6","3","2","4","8","9","1") = "8"
    & skf18("6","3","2","4","8","10","1") = "9"
    & skf18("6","3","2","4","9","1","1") = "8"
    & skf18("6","3","2","4","9","2","1") = "8"
    & skf18("6","3","2","4","9","3","1") = "8"
    & skf18("6","3","2","4","9","4","1") = "8"
    & skf18("6","3","2","4","9","5","1") = "8"
    & skf18("6","3","2","4","9","6","1") = "8"
    & skf18("6","3","2","4","9","7","1") = "8"
    & skf18("6","3","2","4","9","8","1") = "8"
    & skf18("6","3","2","4","9","9","1") = "8"
    & skf18("6","3","2","4","9","10","1") = "9"
    & skf18("6","3","2","4","10","1","1") = "9"
    & skf18("6","3","2","4","10","2","1") = "9"
    & skf18("6","3","2","4","10","3","1") = "9"
    & skf18("6","3","2","4","10","4","1") = "9"
    & skf18("6","3","2","4","10","5","1") = "9"
    & skf18("6","3","2","4","10","6","1") = "9"
    & skf18("6","3","2","4","10","7","1") = "9"
    & skf18("6","3","2","4","10","8","1") = "9"
    & skf18("6","3","2","4","10","9","1") = "9"
    & skf18("6","3","2","4","10","10","1") = "9"
    & skf18("6","3","2","5","1","1","1") = "5"
    & skf18("6","3","2","5","1","2","1") = "5"
    & skf18("6","3","2","5","1","3","1") = "5"
    & skf18("6","3","2","5","1","4","1") = "5"
    & skf18("6","3","2","5","1","5","1") = "5"
    & skf18("6","3","2","5","1","6","1") = "5"
    & skf18("6","3","2","5","1","7","1") = "6"
    & skf18("6","3","2","5","1","8","1") = "7"
    & skf18("6","3","2","5","1","9","1") = "8"
    & skf18("6","3","2","5","1","10","1") = "9"
    & skf18("6","3","2","5","2","1","1") = "5"
    & skf18("6","3","2","5","2","2","1") = "5"
    & skf18("6","3","2","5","2","3","1") = "5"
    & skf18("6","3","2","5","2","4","1") = "5"
    & skf18("6","3","2","5","2","5","1") = "5"
    & skf18("6","3","2","5","2","6","1") = "5"
    & skf18("6","3","2","5","2","7","1") = "6"
    & skf18("6","3","2","5","2","8","1") = "7"
    & skf18("6","3","2","5","2","9","1") = "8"
    & skf18("6","3","2","5","2","10","1") = "9"
    & skf18("6","3","2","5","3","1","1") = "5"
    & skf18("6","3","2","5","3","2","1") = "5"
    & skf18("6","3","2","5","3","3","1") = "5"
    & skf18("6","3","2","5","3","4","1") = "5"
    & skf18("6","3","2","5","3","5","1") = "5"
    & skf18("6","3","2","5","3","6","1") = "5"
    & skf18("6","3","2","5","3","7","1") = "6"
    & skf18("6","3","2","5","3","8","1") = "7"
    & skf18("6","3","2","5","3","9","1") = "8"
    & skf18("6","3","2","5","3","10","1") = "9"
    & skf18("6","3","2","5","4","1","1") = "5"
    & skf18("6","3","2","5","4","2","1") = "5"
    & skf18("6","3","2","5","4","3","1") = "5"
    & skf18("6","3","2","5","4","4","1") = "5"
    & skf18("6","3","2","5","4","5","1") = "5"
    & skf18("6","3","2","5","4","6","1") = "5"
    & skf18("6","3","2","5","4","7","1") = "6"
    & skf18("6","3","2","5","4","8","1") = "7"
    & skf18("6","3","2","5","4","9","1") = "8"
    & skf18("6","3","2","5","4","10","1") = "9"
    & skf18("6","3","2","5","5","1","1") = "5"
    & skf18("6","3","2","5","5","2","1") = "5"
    & skf18("6","3","2","5","5","3","1") = "5"
    & skf18("6","3","2","5","5","4","1") = "5"
    & skf18("6","3","2","5","5","5","1") = "5"
    & skf18("6","3","2","5","5","6","1") = "5"
    & skf18("6","3","2","5","5","7","1") = "6"
    & skf18("6","3","2","5","5","8","1") = "7"
    & skf18("6","3","2","5","5","9","1") = "8"
    & skf18("6","3","2","5","5","10","1") = "9"
    & skf18("6","3","2","5","6","1","1") = "5"
    & skf18("6","3","2","5","6","2","1") = "5"
    & skf18("6","3","2","5","6","3","1") = "5"
    & skf18("6","3","2","5","6","4","1") = "5"
    & skf18("6","3","2","5","6","5","1") = "5"
    & skf18("6","3","2","5","6","6","1") = "5"
    & skf18("6","3","2","5","6","7","1") = "6"
    & skf18("6","3","2","5","6","8","1") = "7"
    & skf18("6","3","2","5","6","9","1") = "8"
    & skf18("6","3","2","5","6","10","1") = "9"
    & skf18("6","3","2","5","7","1","1") = "6"
    & skf18("6","3","2","5","7","2","1") = "6"
    & skf18("6","3","2","5","7","3","1") = "6"
    & skf18("6","3","2","5","7","4","1") = "6"
    & skf18("6","3","2","5","7","5","1") = "6"
    & skf18("6","3","2","5","7","6","1") = "6"
    & skf18("6","3","2","5","7","7","1") = "6"
    & skf18("6","3","2","5","7","8","1") = "7"
    & skf18("6","3","2","5","7","9","1") = "8"
    & skf18("6","3","2","5","7","10","1") = "9"
    & skf18("6","3","2","5","8","1","1") = "7"
    & skf18("6","3","2","5","8","2","1") = "7"
    & skf18("6","3","2","5","8","3","1") = "7"
    & skf18("6","3","2","5","8","4","1") = "7"
    & skf18("6","3","2","5","8","5","1") = "7"
    & skf18("6","3","2","5","8","6","1") = "7"
    & skf18("6","3","2","5","8","7","1") = "7"
    & skf18("6","3","2","5","8","8","1") = "7"
    & skf18("6","3","2","5","8","9","1") = "8"
    & skf18("6","3","2","5","8","10","1") = "9"
    & skf18("6","3","2","5","9","1","1") = "8"
    & skf18("6","3","2","5","9","2","1") = "8"
    & skf18("6","3","2","5","9","3","1") = "8"
    & skf18("6","3","2","5","9","4","1") = "8"
    & skf18("6","3","2","5","9","5","1") = "8"
    & skf18("6","3","2","5","9","6","1") = "8"
    & skf18("6","3","2","5","9","7","1") = "8"
    & skf18("6","3","2","5","9","8","1") = "8"
    & skf18("6","3","2","5","9","9","1") = "8"
    & skf18("6","3","2","5","9","10","1") = "9"
    & skf18("6","3","2","5","10","1","1") = "9"
    & skf18("6","3","2","5","10","2","1") = "9"
    & skf18("6","3","2","5","10","3","1") = "9"
    & skf18("6","3","2","5","10","4","1") = "9"
    & skf18("6","3","2","5","10","5","1") = "9"
    & skf18("6","3","2","5","10","6","1") = "9"
    & skf18("6","3","2","5","10","7","1") = "9"
    & skf18("6","3","2","5","10","8","1") = "9"
    & skf18("6","3","2","5","10","9","1") = "9"
    & skf18("6","3","2","5","10","10","1") = "9"
    & skf18("6","3","2","6","1","1","1") = "5"
    & skf18("6","3","2","6","1","2","1") = "5"
    & skf18("6","3","2","6","1","3","1") = "5"
    & skf18("6","3","2","6","1","4","1") = "5"
    & skf18("6","3","2","6","1","5","1") = "5"
    & skf18("6","3","2","6","1","6","1") = "5"
    & skf18("6","3","2","6","1","7","1") = "6"
    & skf18("6","3","2","6","1","8","1") = "7"
    & skf18("6","3","2","6","1","9","1") = "8"
    & skf18("6","3","2","6","1","10","1") = "9"
    & skf18("6","3","2","6","2","1","1") = "5"
    & skf18("6","3","2","6","2","2","1") = "5"
    & skf18("6","3","2","6","2","3","1") = "5"
    & skf18("6","3","2","6","2","4","1") = "5"
    & skf18("6","3","2","6","2","5","1") = "5"
    & skf18("6","3","2","6","2","6","1") = "5"
    & skf18("6","3","2","6","2","7","1") = "6"
    & skf18("6","3","2","6","2","8","1") = "7"
    & skf18("6","3","2","6","2","9","1") = "8"
    & skf18("6","3","2","6","2","10","1") = "9"
    & skf18("6","3","2","6","3","1","1") = "5"
    & skf18("6","3","2","6","3","2","1") = "5"
    & skf18("6","3","2","6","3","3","1") = "5"
    & skf18("6","3","2","6","3","4","1") = "5"
    & skf18("6","3","2","6","3","5","1") = "5"
    & skf18("6","3","2","6","3","6","1") = "5"
    & skf18("6","3","2","6","3","7","1") = "6"
    & skf18("6","3","2","6","3","8","1") = "7"
    & skf18("6","3","2","6","3","9","1") = "8"
    & skf18("6","3","2","6","3","10","1") = "9"
    & skf18("6","3","2","6","4","1","1") = "5"
    & skf18("6","3","2","6","4","2","1") = "5"
    & skf18("6","3","2","6","4","3","1") = "5"
    & skf18("6","3","2","6","4","4","1") = "5"
    & skf18("6","3","2","6","4","5","1") = "5"
    & skf18("6","3","2","6","4","6","1") = "5"
    & skf18("6","3","2","6","4","7","1") = "6"
    & skf18("6","3","2","6","4","8","1") = "7"
    & skf18("6","3","2","6","4","9","1") = "8"
    & skf18("6","3","2","6","4","10","1") = "9"
    & skf18("6","3","2","6","5","1","1") = "5"
    & skf18("6","3","2","6","5","2","1") = "5"
    & skf18("6","3","2","6","5","3","1") = "5"
    & skf18("6","3","2","6","5","4","1") = "5"
    & skf18("6","3","2","6","5","5","1") = "5"
    & skf18("6","3","2","6","5","6","1") = "5"
    & skf18("6","3","2","6","5","7","1") = "6"
    & skf18("6","3","2","6","5","8","1") = "7"
    & skf18("6","3","2","6","5","9","1") = "8"
    & skf18("6","3","2","6","5","10","1") = "9"
    & skf18("6","3","2","6","6","1","1") = "5"
    & skf18("6","3","2","6","6","2","1") = "5"
    & skf18("6","3","2","6","6","3","1") = "5"
    & skf18("6","3","2","6","6","4","1") = "5"
    & skf18("6","3","2","6","6","5","1") = "5"
    & skf18("6","3","2","6","6","6","1") = "5"
    & skf18("6","3","2","6","6","7","1") = "6"
    & skf18("6","3","2","6","6","8","1") = "7"
    & skf18("6","3","2","6","6","9","1") = "8"
    & skf18("6","3","2","6","6","10","1") = "9"
    & skf18("6","3","2","6","7","1","1") = "6"
    & skf18("6","3","2","6","7","2","1") = "6"
    & skf18("6","3","2","6","7","3","1") = "6"
    & skf18("6","3","2","6","7","4","1") = "6"
    & skf18("6","3","2","6","7","5","1") = "6"
    & skf18("6","3","2","6","7","6","1") = "6"
    & skf18("6","3","2","6","7","7","1") = "6"
    & skf18("6","3","2","6","7","8","1") = "7"
    & skf18("6","3","2","6","7","9","1") = "8"
    & skf18("6","3","2","6","7","10","1") = "9"
    & skf18("6","3","2","6","8","1","1") = "7"
    & skf18("6","3","2","6","8","2","1") = "7"
    & skf18("6","3","2","6","8","3","1") = "7"
    & skf18("6","3","2","6","8","4","1") = "7"
    & skf18("6","3","2","6","8","5","1") = "7"
    & skf18("6","3","2","6","8","6","1") = "7"
    & skf18("6","3","2","6","8","7","1") = "7"
    & skf18("6","3","2","6","8","8","1") = "7"
    & skf18("6","3","2","6","8","9","1") = "8"
    & skf18("6","3","2","6","8","10","1") = "9"
    & skf18("6","3","2","6","9","1","1") = "8"
    & skf18("6","3","2","6","9","2","1") = "8"
    & skf18("6","3","2","6","9","3","1") = "8"
    & skf18("6","3","2","6","9","4","1") = "8"
    & skf18("6","3","2","6","9","5","1") = "8"
    & skf18("6","3","2","6","9","6","1") = "8"
    & skf18("6","3","2","6","9","7","1") = "8"
    & skf18("6","3","2","6","9","8","1") = "8"
    & skf18("6","3","2","6","9","9","1") = "8"
    & skf18("6","3","2","6","9","10","1") = "9"
    & skf18("6","3","2","6","10","1","1") = "9"
    & skf18("6","3","2","6","10","2","1") = "9"
    & skf18("6","3","2","6","10","3","1") = "9"
    & skf18("6","3","2","6","10","4","1") = "9"
    & skf18("6","3","2","6","10","5","1") = "9"
    & skf18("6","3","2","6","10","6","1") = "9"
    & skf18("6","3","2","6","10","7","1") = "9"
    & skf18("6","3","2","6","10","8","1") = "9"
    & skf18("6","3","2","6","10","9","1") = "9"
    & skf18("6","3","2","6","10","10","1") = "9"
    & skf18("6","3","2","7","1","1","1") = "6"
    & skf18("6","3","2","7","1","2","1") = "6"
    & skf18("6","3","2","7","1","3","1") = "6"
    & skf18("6","3","2","7","1","4","1") = "6"
    & skf18("6","3","2","7","1","5","1") = "6"
    & skf18("6","3","2","7","1","6","1") = "6"
    & skf18("6","3","2","7","1","7","1") = "6"
    & skf18("6","3","2","7","1","8","1") = "7"
    & skf18("6","3","2","7","1","9","1") = "8"
    & skf18("6","3","2","7","1","10","1") = "9"
    & skf18("6","3","2","7","2","1","1") = "6"
    & skf18("6","3","2","7","2","2","1") = "6"
    & skf18("6","3","2","7","2","3","1") = "6"
    & skf18("6","3","2","7","2","4","1") = "6"
    & skf18("6","3","2","7","2","5","1") = "6"
    & skf18("6","3","2","7","2","6","1") = "6"
    & skf18("6","3","2","7","2","7","1") = "6"
    & skf18("6","3","2","7","2","8","1") = "7"
    & skf18("6","3","2","7","2","9","1") = "8"
    & skf18("6","3","2","7","2","10","1") = "9"
    & skf18("6","3","2","7","3","1","1") = "6"
    & skf18("6","3","2","7","3","2","1") = "6"
    & skf18("6","3","2","7","3","3","1") = "6"
    & skf18("6","3","2","7","3","4","1") = "6"
    & skf18("6","3","2","7","3","5","1") = "6"
    & skf18("6","3","2","7","3","6","1") = "6"
    & skf18("6","3","2","7","3","7","1") = "6"
    & skf18("6","3","2","7","3","8","1") = "7"
    & skf18("6","3","2","7","3","9","1") = "8"
    & skf18("6","3","2","7","3","10","1") = "9"
    & skf18("6","3","2","7","4","1","1") = "6"
    & skf18("6","3","2","7","4","2","1") = "6"
    & skf18("6","3","2","7","4","3","1") = "6"
    & skf18("6","3","2","7","4","4","1") = "6"
    & skf18("6","3","2","7","4","5","1") = "6"
    & skf18("6","3","2","7","4","6","1") = "6"
    & skf18("6","3","2","7","4","7","1") = "6"
    & skf18("6","3","2","7","4","8","1") = "7"
    & skf18("6","3","2","7","4","9","1") = "8"
    & skf18("6","3","2","7","4","10","1") = "9"
    & skf18("6","3","2","7","5","1","1") = "6"
    & skf18("6","3","2","7","5","2","1") = "6"
    & skf18("6","3","2","7","5","3","1") = "6"
    & skf18("6","3","2","7","5","4","1") = "6"
    & skf18("6","3","2","7","5","5","1") = "6"
    & skf18("6","3","2","7","5","6","1") = "6"
    & skf18("6","3","2","7","5","7","1") = "6"
    & skf18("6","3","2","7","5","8","1") = "7"
    & skf18("6","3","2","7","5","9","1") = "8"
    & skf18("6","3","2","7","5","10","1") = "9"
    & skf18("6","3","2","7","6","1","1") = "6"
    & skf18("6","3","2","7","6","2","1") = "6"
    & skf18("6","3","2","7","6","3","1") = "6"
    & skf18("6","3","2","7","6","4","1") = "6"
    & skf18("6","3","2","7","6","5","1") = "6"
    & skf18("6","3","2","7","6","6","1") = "6"
    & skf18("6","3","2","7","6","7","1") = "6"
    & skf18("6","3","2","7","6","8","1") = "7"
    & skf18("6","3","2","7","6","9","1") = "8"
    & skf18("6","3","2","7","6","10","1") = "9"
    & skf18("6","3","2","7","7","1","1") = "6"
    & skf18("6","3","2","7","7","2","1") = "6"
    & skf18("6","3","2","7","7","3","1") = "6"
    & skf18("6","3","2","7","7","4","1") = "6"
    & skf18("6","3","2","7","7","5","1") = "6"
    & skf18("6","3","2","7","7","6","1") = "6"
    & skf18("6","3","2","7","7","7","1") = "6"
    & skf18("6","3","2","7","7","8","1") = "7"
    & skf18("6","3","2","7","7","9","1") = "8"
    & skf18("6","3","2","7","7","10","1") = "9"
    & skf18("6","3","2","7","8","1","1") = "7"
    & skf18("6","3","2","7","8","2","1") = "7"
    & skf18("6","3","2","7","8","3","1") = "7"
    & skf18("6","3","2","7","8","4","1") = "7"
    & skf18("6","3","2","7","8","5","1") = "7"
    & skf18("6","3","2","7","8","6","1") = "7"
    & skf18("6","3","2","7","8","7","1") = "7"
    & skf18("6","3","2","7","8","8","1") = "7"
    & skf18("6","3","2","7","8","9","1") = "8"
    & skf18("6","3","2","7","8","10","1") = "9"
    & skf18("6","3","2","7","9","1","1") = "8"
    & skf18("6","3","2","7","9","2","1") = "8"
    & skf18("6","3","2","7","9","3","1") = "8"
    & skf18("6","3","2","7","9","4","1") = "8"
    & skf18("6","3","2","7","9","5","1") = "8"
    & skf18("6","3","2","7","9","6","1") = "8"
    & skf18("6","3","2","7","9","7","1") = "8"
    & skf18("6","3","2","7","9","8","1") = "8"
    & skf18("6","3","2","7","9","9","1") = "8"
    & skf18("6","3","2","7","9","10","1") = "9"
    & skf18("6","3","2","7","10","1","1") = "9"
    & skf18("6","3","2","7","10","2","1") = "9"
    & skf18("6","3","2","7","10","3","1") = "9"
    & skf18("6","3","2","7","10","4","1") = "9"
    & skf18("6","3","2","7","10","5","1") = "9"
    & skf18("6","3","2","7","10","6","1") = "9"
    & skf18("6","3","2","7","10","7","1") = "9"
    & skf18("6","3","2","7","10","8","1") = "9"
    & skf18("6","3","2","7","10","9","1") = "9"
    & skf18("6","3","2","7","10","10","1") = "9"
    & skf18("6","3","2","8","1","1","1") = "7"
    & skf18("6","3","2","8","1","2","1") = "7"
    & skf18("6","3","2","8","1","3","1") = "7"
    & skf18("6","3","2","8","1","4","1") = "7"
    & skf18("6","3","2","8","1","5","1") = "7"
    & skf18("6","3","2","8","1","6","1") = "7"
    & skf18("6","3","2","8","1","7","1") = "7"
    & skf18("6","3","2","8","1","8","1") = "7"
    & skf18("6","3","2","8","1","9","1") = "8"
    & skf18("6","3","2","8","1","10","1") = "9"
    & skf18("6","3","2","8","2","1","1") = "7"
    & skf18("6","3","2","8","2","2","1") = "7"
    & skf18("6","3","2","8","2","3","1") = "7"
    & skf18("6","3","2","8","2","4","1") = "7"
    & skf18("6","3","2","8","2","5","1") = "7"
    & skf18("6","3","2","8","2","6","1") = "7"
    & skf18("6","3","2","8","2","7","1") = "7"
    & skf18("6","3","2","8","2","8","1") = "7"
    & skf18("6","3","2","8","2","9","1") = "8"
    & skf18("6","3","2","8","2","10","1") = "9"
    & skf18("6","3","2","8","3","1","1") = "7"
    & skf18("6","3","2","8","3","2","1") = "7"
    & skf18("6","3","2","8","3","3","1") = "7"
    & skf18("6","3","2","8","3","4","1") = "7"
    & skf18("6","3","2","8","3","5","1") = "7"
    & skf18("6","3","2","8","3","6","1") = "7"
    & skf18("6","3","2","8","3","7","1") = "7"
    & skf18("6","3","2","8","3","8","1") = "7"
    & skf18("6","3","2","8","3","9","1") = "8"
    & skf18("6","3","2","8","3","10","1") = "9"
    & skf18("6","3","2","8","4","1","1") = "7"
    & skf18("6","3","2","8","4","2","1") = "7"
    & skf18("6","3","2","8","4","3","1") = "7"
    & skf18("6","3","2","8","4","4","1") = "7"
    & skf18("6","3","2","8","4","5","1") = "7"
    & skf18("6","3","2","8","4","6","1") = "7"
    & skf18("6","3","2","8","4","7","1") = "7"
    & skf18("6","3","2","8","4","8","1") = "7"
    & skf18("6","3","2","8","4","9","1") = "8"
    & skf18("6","3","2","8","4","10","1") = "9"
    & skf18("6","3","2","8","5","1","1") = "7"
    & skf18("6","3","2","8","5","2","1") = "7"
    & skf18("6","3","2","8","5","3","1") = "7"
    & skf18("6","3","2","8","5","4","1") = "7"
    & skf18("6","3","2","8","5","5","1") = "7"
    & skf18("6","3","2","8","5","6","1") = "7"
    & skf18("6","3","2","8","5","7","1") = "7"
    & skf18("6","3","2","8","5","8","1") = "7"
    & skf18("6","3","2","8","5","9","1") = "8"
    & skf18("6","3","2","8","5","10","1") = "9"
    & skf18("6","3","2","8","6","1","1") = "7"
    & skf18("6","3","2","8","6","2","1") = "7"
    & skf18("6","3","2","8","6","3","1") = "7"
    & skf18("6","3","2","8","6","4","1") = "7"
    & skf18("6","3","2","8","6","5","1") = "7"
    & skf18("6","3","2","8","6","6","1") = "7"
    & skf18("6","3","2","8","6","7","1") = "7"
    & skf18("6","3","2","8","6","8","1") = "7"
    & skf18("6","3","2","8","6","9","1") = "8"
    & skf18("6","3","2","8","6","10","1") = "9"
    & skf18("6","3","2","8","7","1","1") = "7"
    & skf18("6","3","2","8","7","2","1") = "7"
    & skf18("6","3","2","8","7","3","1") = "7"
    & skf18("6","3","2","8","7","4","1") = "7"
    & skf18("6","3","2","8","7","5","1") = "7"
    & skf18("6","3","2","8","7","6","1") = "7"
    & skf18("6","3","2","8","7","7","1") = "7"
    & skf18("6","3","2","8","7","8","1") = "7"
    & skf18("6","3","2","8","7","9","1") = "8"
    & skf18("6","3","2","8","7","10","1") = "9"
    & skf18("6","3","2","8","8","1","1") = "7"
    & skf18("6","3","2","8","8","2","1") = "7"
    & skf18("6","3","2","8","8","3","1") = "7"
    & skf18("6","3","2","8","8","4","1") = "7"
    & skf18("6","3","2","8","8","5","1") = "7"
    & skf18("6","3","2","8","8","6","1") = "7"
    & skf18("6","3","2","8","8","7","1") = "7"
    & skf18("6","3","2","8","8","8","1") = "7"
    & skf18("6","3","2","8","8","9","1") = "8"
    & skf18("6","3","2","8","8","10","1") = "9"
    & skf18("6","3","2","8","9","1","1") = "8"
    & skf18("6","3","2","8","9","2","1") = "8"
    & skf18("6","3","2","8","9","3","1") = "8"
    & skf18("6","3","2","8","9","4","1") = "8"
    & skf18("6","3","2","8","9","5","1") = "8"
    & skf18("6","3","2","8","9","6","1") = "8"
    & skf18("6","3","2","8","9","7","1") = "8"
    & skf18("6","3","2","8","9","8","1") = "8"
    & skf18("6","3","2","8","9","9","1") = "8"
    & skf18("6","3","2","8","9","10","1") = "9"
    & skf18("6","3","2","8","10","1","1") = "9"
    & skf18("6","3","2","8","10","2","1") = "9"
    & skf18("6","3","2","8","10","3","1") = "9"
    & skf18("6","3","2","8","10","4","1") = "9"
    & skf18("6","3","2","8","10","5","1") = "9"
    & skf18("6","3","2","8","10","6","1") = "9"
    & skf18("6","3","2","8","10","7","1") = "9"
    & skf18("6","3","2","8","10","8","1") = "9"
    & skf18("6","3","2","8","10","9","1") = "9"
    & skf18("6","3","2","8","10","10","1") = "9"
    & skf18("6","3","2","9","1","1","1") = "8"
    & skf18("6","3","2","9","1","2","1") = "8"
    & skf18("6","3","2","9","1","3","1") = "8"
    & skf18("6","3","2","9","1","4","1") = "8"
    & skf18("6","3","2","9","1","5","1") = "8"
    & skf18("6","3","2","9","1","6","1") = "8"
    & skf18("6","3","2","9","1","7","1") = "8"
    & skf18("6","3","2","9","1","8","1") = "8"
    & skf18("6","3","2","9","1","9","1") = "8"
    & skf18("6","3","2","9","1","10","1") = "9"
    & skf18("6","3","2","9","2","1","1") = "8"
    & skf18("6","3","2","9","2","2","1") = "8"
    & skf18("6","3","2","9","2","3","1") = "8"
    & skf18("6","3","2","9","2","4","1") = "8"
    & skf18("6","3","2","9","2","5","1") = "8"
    & skf18("6","3","2","9","2","6","1") = "8"
    & skf18("6","3","2","9","2","7","1") = "8"
    & skf18("6","3","2","9","2","8","1") = "8"
    & skf18("6","3","2","9","2","9","1") = "8"
    & skf18("6","3","2","9","2","10","1") = "9"
    & skf18("6","3","2","9","3","1","1") = "8"
    & skf18("6","3","2","9","3","2","1") = "8"
    & skf18("6","3","2","9","3","3","1") = "8"
    & skf18("6","3","2","9","3","4","1") = "8"
    & skf18("6","3","2","9","3","5","1") = "8"
    & skf18("6","3","2","9","3","6","1") = "8"
    & skf18("6","3","2","9","3","7","1") = "8"
    & skf18("6","3","2","9","3","8","1") = "8"
    & skf18("6","3","2","9","3","9","1") = "8"
    & skf18("6","3","2","9","3","10","1") = "9"
    & skf18("6","3","2","9","4","1","1") = "8"
    & skf18("6","3","2","9","4","2","1") = "8"
    & skf18("6","3","2","9","4","3","1") = "8"
    & skf18("6","3","2","9","4","4","1") = "8"
    & skf18("6","3","2","9","4","5","1") = "8"
    & skf18("6","3","2","9","4","6","1") = "8"
    & skf18("6","3","2","9","4","7","1") = "8"
    & skf18("6","3","2","9","4","8","1") = "8"
    & skf18("6","3","2","9","4","9","1") = "8"
    & skf18("6","3","2","9","4","10","1") = "9"
    & skf18("6","3","2","9","5","1","1") = "8"
    & skf18("6","3","2","9","5","2","1") = "8"
    & skf18("6","3","2","9","5","3","1") = "8"
    & skf18("6","3","2","9","5","4","1") = "8"
    & skf18("6","3","2","9","5","5","1") = "8"
    & skf18("6","3","2","9","5","6","1") = "8"
    & skf18("6","3","2","9","5","7","1") = "8"
    & skf18("6","3","2","9","5","8","1") = "8"
    & skf18("6","3","2","9","5","9","1") = "8"
    & skf18("6","3","2","9","5","10","1") = "9"
    & skf18("6","3","2","9","6","1","1") = "8"
    & skf18("6","3","2","9","6","2","1") = "8"
    & skf18("6","3","2","9","6","3","1") = "8"
    & skf18("6","3","2","9","6","4","1") = "8"
    & skf18("6","3","2","9","6","5","1") = "8"
    & skf18("6","3","2","9","6","6","1") = "8"
    & skf18("6","3","2","9","6","7","1") = "8"
    & skf18("6","3","2","9","6","8","1") = "8"
    & skf18("6","3","2","9","6","9","1") = "8"
    & skf18("6","3","2","9","6","10","1") = "9"
    & skf18("6","3","2","9","7","1","1") = "8"
    & skf18("6","3","2","9","7","2","1") = "8"
    & skf18("6","3","2","9","7","3","1") = "8"
    & skf18("6","3","2","9","7","4","1") = "8"
    & skf18("6","3","2","9","7","5","1") = "8"
    & skf18("6","3","2","9","7","6","1") = "8"
    & skf18("6","3","2","9","7","7","1") = "8"
    & skf18("6","3","2","9","7","8","1") = "8"
    & skf18("6","3","2","9","7","9","1") = "8"
    & skf18("6","3","2","9","7","10","1") = "9"
    & skf18("6","3","2","9","8","1","1") = "8"
    & skf18("6","3","2","9","8","2","1") = "8"
    & skf18("6","3","2","9","8","3","1") = "8"
    & skf18("6","3","2","9","8","4","1") = "8"
    & skf18("6","3","2","9","8","5","1") = "8"
    & skf18("6","3","2","9","8","6","1") = "8"
    & skf18("6","3","2","9","8","7","1") = "8"
    & skf18("6","3","2","9","8","8","1") = "8"
    & skf18("6","3","2","9","8","9","1") = "8"
    & skf18("6","3","2","9","8","10","1") = "9"
    & skf18("6","3","2","9","9","1","1") = "8"
    & skf18("6","3","2","9","9","2","1") = "8"
    & skf18("6","3","2","9","9","3","1") = "8"
    & skf18("6","3","2","9","9","4","1") = "8"
    & skf18("6","3","2","9","9","5","1") = "8"
    & skf18("6","3","2","9","9","6","1") = "8"
    & skf18("6","3","2","9","9","7","1") = "8"
    & skf18("6","3","2","9","9","8","1") = "8"
    & skf18("6","3","2","9","9","9","1") = "8"
    & skf18("6","3","2","9","9","10","1") = "9"
    & skf18("6","3","2","9","10","1","1") = "9"
    & skf18("6","3","2","9","10","2","1") = "9"
    & skf18("6","3","2","9","10","3","1") = "9"
    & skf18("6","3","2","9","10","4","1") = "9"
    & skf18("6","3","2","9","10","5","1") = "9"
    & skf18("6","3","2","9","10","6","1") = "9"
    & skf18("6","3","2","9","10","7","1") = "9"
    & skf18("6","3","2","9","10","8","1") = "9"
    & skf18("6","3","2","9","10","9","1") = "9"
    & skf18("6","3","2","9","10","10","1") = "9"
    & skf18("6","3","2","10","1","1","1") = "9"
    & skf18("6","3","2","10","1","2","1") = "9"
    & skf18("6","3","2","10","1","3","1") = "9"
    & skf18("6","3","2","10","1","4","1") = "9"
    & skf18("6","3","2","10","1","5","1") = "9"
    & skf18("6","3","2","10","1","6","1") = "9"
    & skf18("6","3","2","10","1","7","1") = "9"
    & skf18("6","3","2","10","1","8","1") = "9"
    & skf18("6","3","2","10","1","9","1") = "9"
    & skf18("6","3","2","10","1","10","1") = "9"
    & skf18("6","3","2","10","2","1","1") = "9"
    & skf18("6","3","2","10","2","2","1") = "9"
    & skf18("6","3","2","10","2","3","1") = "9"
    & skf18("6","3","2","10","2","4","1") = "9"
    & skf18("6","3","2","10","2","5","1") = "9"
    & skf18("6","3","2","10","2","6","1") = "9"
    & skf18("6","3","2","10","2","7","1") = "9"
    & skf18("6","3","2","10","2","8","1") = "9"
    & skf18("6","3","2","10","2","9","1") = "9"
    & skf18("6","3","2","10","2","10","1") = "9"
    & skf18("6","3","2","10","3","1","1") = "9"
    & skf18("6","3","2","10","3","2","1") = "9"
    & skf18("6","3","2","10","3","3","1") = "9"
    & skf18("6","3","2","10","3","4","1") = "9"
    & skf18("6","3","2","10","3","5","1") = "9"
    & skf18("6","3","2","10","3","6","1") = "9"
    & skf18("6","3","2","10","3","7","1") = "9"
    & skf18("6","3","2","10","3","8","1") = "9"
    & skf18("6","3","2","10","3","9","1") = "9"
    & skf18("6","3","2","10","3","10","1") = "9"
    & skf18("6","3","2","10","4","1","1") = "9"
    & skf18("6","3","2","10","4","2","1") = "9"
    & skf18("6","3","2","10","4","3","1") = "9"
    & skf18("6","3","2","10","4","4","1") = "9"
    & skf18("6","3","2","10","4","5","1") = "9"
    & skf18("6","3","2","10","4","6","1") = "9"
    & skf18("6","3","2","10","4","7","1") = "9"
    & skf18("6","3","2","10","4","8","1") = "9"
    & skf18("6","3","2","10","4","9","1") = "9"
    & skf18("6","3","2","10","4","10","1") = "9"
    & skf18("6","3","2","10","5","1","1") = "9"
    & skf18("6","3","2","10","5","2","1") = "9"
    & skf18("6","3","2","10","5","3","1") = "9"
    & skf18("6","3","2","10","5","4","1") = "9"
    & skf18("6","3","2","10","5","5","1") = "9"
    & skf18("6","3","2","10","5","6","1") = "9"
    & skf18("6","3","2","10","5","7","1") = "9"
    & skf18("6","3","2","10","5","8","1") = "9"
    & skf18("6","3","2","10","5","9","1") = "9"
    & skf18("6","3","2","10","5","10","1") = "9"
    & skf18("6","3","2","10","6","1","1") = "9"
    & skf18("6","3","2","10","6","2","1") = "9"
    & skf18("6","3","2","10","6","3","1") = "9"
    & skf18("6","3","2","10","6","4","1") = "9"
    & skf18("6","3","2","10","6","5","1") = "9"
    & skf18("6","3","2","10","6","6","1") = "9"
    & skf18("6","3","2","10","6","7","1") = "9"
    & skf18("6","3","2","10","6","8","1") = "9"
    & skf18("6","3","2","10","6","9","1") = "9"
    & skf18("6","3","2","10","6","10","1") = "9"
    & skf18("6","3","2","10","7","1","1") = "9"
    & skf18("6","3","2","10","7","2","1") = "9"
    & skf18("6","3","2","10","7","3","1") = "9"
    & skf18("6","3","2","10","7","4","1") = "9"
    & skf18("6","3","2","10","7","5","1") = "9"
    & skf18("6","3","2","10","7","6","1") = "9"
    & skf18("6","3","2","10","7","7","1") = "9"
    & skf18("6","3","2","10","7","8","1") = "9"
    & skf18("6","3","2","10","7","9","1") = "9"
    & skf18("6","3","2","10","7","10","1") = "9"
    & skf18("6","3","2","10","8","1","1") = "9"
    & skf18("6","3","2","10","8","2","1") = "9"
    & skf18("6","3","2","10","8","3","1") = "9"
    & skf18("6","3","2","10","8","4","1") = "9"
    & skf18("6","3","2","10","8","5","1") = "9"
    & skf18("6","3","2","10","8","6","1") = "9"
    & skf18("6","3","2","10","8","7","1") = "9"
    & skf18("6","3","2","10","8","8","1") = "9"
    & skf18("6","3","2","10","8","9","1") = "9"
    & skf18("6","3","2","10","8","10","1") = "9"
    & skf18("6","3","2","10","9","1","1") = "9"
    & skf18("6","3","2","10","9","2","1") = "9"
    & skf18("6","3","2","10","9","3","1") = "9"
    & skf18("6","3","2","10","9","4","1") = "9"
    & skf18("6","3","2","10","9","5","1") = "9"
    & skf18("6","3","2","10","9","6","1") = "9"
    & skf18("6","3","2","10","9","7","1") = "9"
    & skf18("6","3","2","10","9","8","1") = "9"
    & skf18("6","3","2","10","9","9","1") = "9"
    & skf18("6","3","2","10","9","10","1") = "9"
    & skf18("6","3","2","10","10","1","1") = "9"
    & skf18("6","3","2","10","10","2","1") = "9"
    & skf18("6","3","2","10","10","3","1") = "9"
    & skf18("6","3","2","10","10","4","1") = "9"
    & skf18("6","3","2","10","10","5","1") = "9"
    & skf18("6","3","2","10","10","6","1") = "9"
    & skf18("6","3","2","10","10","7","1") = "9"
    & skf18("6","3","2","10","10","8","1") = "9"
    & skf18("6","3","2","10","10","9","1") = "9"
    & skf18("6","3","2","10","10","10","1") = "9"
    & skf18("6","3","3","1","1","1","1") = "5"
    & skf18("6","3","3","1","1","2","1") = "5"
    & skf18("6","3","3","1","1","3","1") = "5"
    & skf18("6","3","3","1","1","4","1") = "5"
    & skf18("6","3","3","1","1","5","1") = "5"
    & skf18("6","3","3","1","1","6","1") = "5"
    & skf18("6","3","3","1","1","7","1") = "6"
    & skf18("6","3","3","1","1","8","1") = "7"
    & skf18("6","3","3","1","1","9","1") = "8"
    & skf18("6","3","3","1","1","10","1") = "9"
    & skf18("6","3","3","1","2","1","1") = "5"
    & skf18("6","3","3","1","2","2","1") = "5"
    & skf18("6","3","3","1","2","3","1") = "5"
    & skf18("6","3","3","1","2","4","1") = "5"
    & skf18("6","3","3","1","2","5","1") = "5"
    & skf18("6","3","3","1","2","6","1") = "5"
    & skf18("6","3","3","1","2","7","1") = "6"
    & skf18("6","3","3","1","2","8","1") = "7"
    & skf18("6","3","3","1","2","9","1") = "8"
    & skf18("6","3","3","1","2","10","1") = "9"
    & skf18("6","3","3","1","3","1","1") = "5"
    & skf18("6","3","3","1","3","2","1") = "5"
    & skf18("6","3","3","1","3","3","1") = "5"
    & skf18("6","3","3","1","3","4","1") = "5"
    & skf18("6","3","3","1","3","5","1") = "5"
    & skf18("6","3","3","1","3","6","1") = "5"
    & skf18("6","3","3","1","3","7","1") = "6"
    & skf18("6","3","3","1","3","8","1") = "7"
    & skf18("6","3","3","1","3","9","1") = "8"
    & skf18("6","3","3","1","3","10","1") = "9"
    & skf18("6","3","3","1","4","1","1") = "5"
    & skf18("6","3","3","1","4","2","1") = "5"
    & skf18("6","3","3","1","4","3","1") = "5"
    & skf18("6","3","3","1","4","4","1") = "5"
    & skf18("6","3","3","1","4","5","1") = "5"
    & skf18("6","3","3","1","4","6","1") = "5"
    & skf18("6","3","3","1","4","7","1") = "6"
    & skf18("6","3","3","1","4","8","1") = "7"
    & skf18("6","3","3","1","4","9","1") = "8"
    & skf18("6","3","3","1","4","10","1") = "9"
    & skf18("6","3","3","1","5","1","1") = "5"
    & skf18("6","3","3","1","5","2","1") = "5"
    & skf18("6","3","3","1","5","3","1") = "5"
    & skf18("6","3","3","1","5","4","1") = "5"
    & skf18("6","3","3","1","5","5","1") = "5"
    & skf18("6","3","3","1","5","6","1") = "5"
    & skf18("6","3","3","1","5","7","1") = "6"
    & skf18("6","3","3","1","5","8","1") = "7"
    & skf18("6","3","3","1","5","9","1") = "8"
    & skf18("6","3","3","1","5","10","1") = "9"
    & skf18("6","3","3","1","6","1","1") = "5"
    & skf18("6","3","3","1","6","2","1") = "5"
    & skf18("6","3","3","1","6","3","1") = "5"
    & skf18("6","3","3","1","6","4","1") = "5"
    & skf18("6","3","3","1","6","5","1") = "5"
    & skf18("6","3","3","1","6","6","1") = "5"
    & skf18("6","3","3","1","6","7","1") = "6"
    & skf18("6","3","3","1","6","8","1") = "7"
    & skf18("6","3","3","1","6","9","1") = "8"
    & skf18("6","3","3","1","6","10","1") = "9"
    & skf18("6","3","3","1","7","1","1") = "6"
    & skf18("6","3","3","1","7","2","1") = "6"
    & skf18("6","3","3","1","7","3","1") = "6"
    & skf18("6","3","3","1","7","4","1") = "6"
    & skf18("6","3","3","1","7","5","1") = "6"
    & skf18("6","3","3","1","7","6","1") = "6"
    & skf18("6","3","3","1","7","7","1") = "6"
    & skf18("6","3","3","1","7","8","1") = "7"
    & skf18("6","3","3","1","7","9","1") = "8"
    & skf18("6","3","3","1","7","10","1") = "9"
    & skf18("6","3","3","1","8","1","1") = "7"
    & skf18("6","3","3","1","8","2","1") = "7"
    & skf18("6","3","3","1","8","3","1") = "7"
    & skf18("6","3","3","1","8","4","1") = "7"
    & skf18("6","3","3","1","8","5","1") = "7"
    & skf18("6","3","3","1","8","6","1") = "7"
    & skf18("6","3","3","1","8","7","1") = "7"
    & skf18("6","3","3","1","8","8","1") = "7"
    & skf18("6","3","3","1","8","9","1") = "8"
    & skf18("6","3","3","1","8","10","1") = "9"
    & skf18("6","3","3","1","9","1","1") = "8"
    & skf18("6","3","3","1","9","2","1") = "8"
    & skf18("6","3","3","1","9","3","1") = "8"
    & skf18("6","3","3","1","9","4","1") = "8"
    & skf18("6","3","3","1","9","5","1") = "8"
    & skf18("6","3","3","1","9","6","1") = "8"
    & skf18("6","3","3","1","9","7","1") = "8"
    & skf18("6","3","3","1","9","8","1") = "8"
    & skf18("6","3","3","1","9","9","1") = "8"
    & skf18("6","3","3","1","9","10","1") = "9"
    & skf18("6","3","3","1","10","1","1") = "9"
    & skf18("6","3","3","1","10","2","1") = "9"
    & skf18("6","3","3","1","10","3","1") = "9"
    & skf18("6","3","3","1","10","4","1") = "9"
    & skf18("6","3","3","1","10","5","1") = "9"
    & skf18("6","3","3","1","10","6","1") = "9"
    & skf18("6","3","3","1","10","7","1") = "9"
    & skf18("6","3","3","1","10","8","1") = "9"
    & skf18("6","3","3","1","10","9","1") = "9"
    & skf18("6","3","3","1","10","10","1") = "9"
    & skf18("6","3","3","2","1","1","1") = "5"
    & skf18("6","3","3","2","1","2","1") = "5"
    & skf18("6","3","3","2","1","3","1") = "5"
    & skf18("6","3","3","2","1","4","1") = "5"
    & skf18("6","3","3","2","1","5","1") = "5"
    & skf18("6","3","3","2","1","6","1") = "5"
    & skf18("6","3","3","2","1","7","1") = "6"
    & skf18("6","3","3","2","1","8","1") = "7"
    & skf18("6","3","3","2","1","9","1") = "8"
    & skf18("6","3","3","2","1","10","1") = "9"
    & skf18("6","3","3","2","2","1","1") = "5"
    & skf18("6","3","3","2","2","2","1") = "5"
    & skf18("6","3","3","2","2","3","1") = "5"
    & skf18("6","3","3","2","2","4","1") = "5"
    & skf18("6","3","3","2","2","5","1") = "5"
    & skf18("6","3","3","2","2","6","1") = "5"
    & skf18("6","3","3","2","2","7","1") = "6"
    & skf18("6","3","3","2","2","8","1") = "7"
    & skf18("6","3","3","2","2","9","1") = "8"
    & skf18("6","3","3","2","2","10","1") = "9"
    & skf18("6","3","3","2","3","1","1") = "5"
    & skf18("6","3","3","2","3","2","1") = "5"
    & skf18("6","3","3","2","3","3","1") = "5"
    & skf18("6","3","3","2","3","4","1") = "5"
    & skf18("6","3","3","2","3","5","1") = "5"
    & skf18("6","3","3","2","3","6","1") = "5"
    & skf18("6","3","3","2","3","7","1") = "6"
    & skf18("6","3","3","2","3","8","1") = "7"
    & skf18("6","3","3","2","3","9","1") = "8"
    & skf18("6","3","3","2","3","10","1") = "9"
    & skf18("6","3","3","2","4","1","1") = "5"
    & skf18("6","3","3","2","4","2","1") = "5"
    & skf18("6","3","3","2","4","3","1") = "5"
    & skf18("6","3","3","2","4","4","1") = "5"
    & skf18("6","3","3","2","4","5","1") = "5"
    & skf18("6","3","3","2","4","6","1") = "5"
    & skf18("6","3","3","2","4","7","1") = "6"
    & skf18("6","3","3","2","4","8","1") = "7"
    & skf18("6","3","3","2","4","9","1") = "8"
    & skf18("6","3","3","2","4","10","1") = "9"
    & skf18("6","3","3","2","5","1","1") = "5"
    & skf18("6","3","3","2","5","2","1") = "5"
    & skf18("6","3","3","2","5","3","1") = "5"
    & skf18("6","3","3","2","5","4","1") = "5"
    & skf18("6","3","3","2","5","5","1") = "5"
    & skf18("6","3","3","2","5","6","1") = "5"
    & skf18("6","3","3","2","5","7","1") = "6"
    & skf18("6","3","3","2","5","8","1") = "7"
    & skf18("6","3","3","2","5","9","1") = "8"
    & skf18("6","3","3","2","5","10","1") = "9"
    & skf18("6","3","3","2","6","1","1") = "5"
    & skf18("6","3","3","2","6","2","1") = "5"
    & skf18("6","3","3","2","6","3","1") = "5"
    & skf18("6","3","3","2","6","4","1") = "5"
    & skf18("6","3","3","2","6","5","1") = "5"
    & skf18("6","3","3","2","6","6","1") = "5"
    & skf18("6","3","3","2","6","7","1") = "6"
    & skf18("6","3","3","2","6","8","1") = "7"
    & skf18("6","3","3","2","6","9","1") = "8"
    & skf18("6","3","3","2","6","10","1") = "9"
    & skf18("6","3","3","2","7","1","1") = "6"
    & skf18("6","3","3","2","7","2","1") = "6"
    & skf18("6","3","3","2","7","3","1") = "6"
    & skf18("6","3","3","2","7","4","1") = "6"
    & skf18("6","3","3","2","7","5","1") = "6"
    & skf18("6","3","3","2","7","6","1") = "6"
    & skf18("6","3","3","2","7","7","1") = "6"
    & skf18("6","3","3","2","7","8","1") = "7"
    & skf18("6","3","3","2","7","9","1") = "8"
    & skf18("6","3","3","2","7","10","1") = "9"
    & skf18("6","3","3","2","8","1","1") = "7"
    & skf18("6","3","3","2","8","2","1") = "7"
    & skf18("6","3","3","2","8","3","1") = "7"
    & skf18("6","3","3","2","8","4","1") = "7"
    & skf18("6","3","3","2","8","5","1") = "7"
    & skf18("6","3","3","2","8","6","1") = "7"
    & skf18("6","3","3","2","8","7","1") = "7"
    & skf18("6","3","3","2","8","8","1") = "7"
    & skf18("6","3","3","2","8","9","1") = "8"
    & skf18("6","3","3","2","8","10","1") = "9"
    & skf18("6","3","3","2","9","1","1") = "8"
    & skf18("6","3","3","2","9","2","1") = "8"
    & skf18("6","3","3","2","9","3","1") = "8"
    & skf18("6","3","3","2","9","4","1") = "8"
    & skf18("6","3","3","2","9","5","1") = "8"
    & skf18("6","3","3","2","9","6","1") = "8"
    & skf18("6","3","3","2","9","7","1") = "8"
    & skf18("6","3","3","2","9","8","1") = "8"
    & skf18("6","3","3","2","9","9","1") = "8"
    & skf18("6","3","3","2","9","10","1") = "9"
    & skf18("6","3","3","2","10","1","1") = "9"
    & skf18("6","3","3","2","10","2","1") = "9"
    & skf18("6","3","3","2","10","3","1") = "9"
    & skf18("6","3","3","2","10","4","1") = "9"
    & skf18("6","3","3","2","10","5","1") = "9"
    & skf18("6","3","3","2","10","6","1") = "9"
    & skf18("6","3","3","2","10","7","1") = "9"
    & skf18("6","3","3","2","10","8","1") = "9"
    & skf18("6","3","3","2","10","9","1") = "9"
    & skf18("6","3","3","2","10","10","1") = "9"
    & skf18("6","3","3","3","1","1","1") = "5"
    & skf18("6","3","3","3","1","2","1") = "5"
    & skf18("6","3","3","3","1","3","1") = "5"
    & skf18("6","3","3","3","1","4","1") = "5"
    & skf18("6","3","3","3","1","5","1") = "5"
    & skf18("6","3","3","3","1","6","1") = "5"
    & skf18("6","3","3","3","1","7","1") = "6"
    & skf18("6","3","3","3","1","8","1") = "7"
    & skf18("6","3","3","3","1","9","1") = "8"
    & skf18("6","3","3","3","1","10","1") = "9"
    & skf18("6","3","3","3","2","1","1") = "5"
    & skf18("6","3","3","3","2","2","1") = "5"
    & skf18("6","3","3","3","2","3","1") = "5"
    & skf18("6","3","3","3","2","4","1") = "5"
    & skf18("6","3","3","3","2","5","1") = "5"
    & skf18("6","3","3","3","2","6","1") = "5"
    & skf18("6","3","3","3","2","7","1") = "6"
    & skf18("6","3","3","3","2","8","1") = "7"
    & skf18("6","3","3","3","2","9","1") = "8"
    & skf18("6","3","3","3","2","10","1") = "9"
    & skf18("6","3","3","3","3","1","1") = "5"
    & skf18("6","3","3","3","3","2","1") = "5"
    & skf18("6","3","3","3","3","3","1") = "5"
    & skf18("6","3","3","3","3","4","1") = "5"
    & skf18("6","3","3","3","3","5","1") = "5"
    & skf18("6","3","3","3","3","6","1") = "5"
    & skf18("6","3","3","3","3","7","1") = "6"
    & skf18("6","3","3","3","3","8","1") = "7"
    & skf18("6","3","3","3","3","9","1") = "8"
    & skf18("6","3","3","3","3","10","1") = "9"
    & skf18("6","3","3","3","4","1","1") = "5"
    & skf18("6","3","3","3","4","2","1") = "5"
    & skf18("6","3","3","3","4","3","1") = "5"
    & skf18("6","3","3","3","4","4","1") = "5"
    & skf18("6","3","3","3","4","5","1") = "5"
    & skf18("6","3","3","3","4","6","1") = "5"
    & skf18("6","3","3","3","4","7","1") = "6"
    & skf18("6","3","3","3","4","8","1") = "7"
    & skf18("6","3","3","3","4","9","1") = "8"
    & skf18("6","3","3","3","4","10","1") = "9"
    & skf18("6","3","3","3","5","1","1") = "5"
    & skf18("6","3","3","3","5","2","1") = "5"
    & skf18("6","3","3","3","5","3","1") = "5"
    & skf18("6","3","3","3","5","4","1") = "5"
    & skf18("6","3","3","3","5","5","1") = "5"
    & skf18("6","3","3","3","5","6","1") = "5"
    & skf18("6","3","3","3","5","7","1") = "6"
    & skf18("6","3","3","3","5","8","1") = "7"
    & skf18("6","3","3","3","5","9","1") = "8"
    & skf18("6","3","3","3","5","10","1") = "9"
    & skf18("6","3","3","3","6","1","1") = "5"
    & skf18("6","3","3","3","6","2","1") = "5"
    & skf18("6","3","3","3","6","3","1") = "5"
    & skf18("6","3","3","3","6","4","1") = "5"
    & skf18("6","3","3","3","6","5","1") = "5"
    & skf18("6","3","3","3","6","6","1") = "5"
    & skf18("6","3","3","3","6","7","1") = "6"
    & skf18("6","3","3","3","6","8","1") = "7"
    & skf18("6","3","3","3","6","9","1") = "8"
    & skf18("6","3","3","3","6","10","1") = "9"
    & skf18("6","3","3","3","7","1","1") = "6"
    & skf18("6","3","3","3","7","2","1") = "6"
    & skf18("6","3","3","3","7","3","1") = "6"
    & skf18("6","3","3","3","7","4","1") = "6"
    & skf18("6","3","3","3","7","5","1") = "6"
    & skf18("6","3","3","3","7","6","1") = "6"
    & skf18("6","3","3","3","7","7","1") = "6"
    & skf18("6","3","3","3","7","8","1") = "7"
    & skf18("6","3","3","3","7","9","1") = "8"
    & skf18("6","3","3","3","7","10","1") = "9"
    & skf18("6","3","3","3","8","1","1") = "7"
    & skf18("6","3","3","3","8","2","1") = "7"
    & skf18("6","3","3","3","8","3","1") = "7"
    & skf18("6","3","3","3","8","4","1") = "7"
    & skf18("6","3","3","3","8","5","1") = "7"
    & skf18("6","3","3","3","8","6","1") = "7"
    & skf18("6","3","3","3","8","7","1") = "7"
    & skf18("6","3","3","3","8","8","1") = "7"
    & skf18("6","3","3","3","8","9","1") = "8"
    & skf18("6","3","3","3","8","10","1") = "9"
    & skf18("6","3","3","3","9","1","1") = "8"
    & skf18("6","3","3","3","9","2","1") = "8"
    & skf18("6","3","3","3","9","3","1") = "8"
    & skf18("6","3","3","3","9","4","1") = "8"
    & skf18("6","3","3","3","9","5","1") = "8"
    & skf18("6","3","3","3","9","6","1") = "8"
    & skf18("6","3","3","3","9","7","1") = "8"
    & skf18("6","3","3","3","9","8","1") = "8"
    & skf18("6","3","3","3","9","9","1") = "8"
    & skf18("6","3","3","3","9","10","1") = "9"
    & skf18("6","3","3","3","10","1","1") = "9"
    & skf18("6","3","3","3","10","2","1") = "9"
    & skf18("6","3","3","3","10","3","1") = "9"
    & skf18("6","3","3","3","10","4","1") = "9"
    & skf18("6","3","3","3","10","5","1") = "9"
    & skf18("6","3","3","3","10","6","1") = "9"
    & skf18("6","3","3","3","10","7","1") = "9"
    & skf18("6","3","3","3","10","8","1") = "9"
    & skf18("6","3","3","3","10","9","1") = "9"
    & skf18("6","3","3","3","10","10","1") = "9"
    & skf18("6","3","3","4","1","1","1") = "5"
    & skf18("6","3","3","4","1","2","1") = "5"
    & skf18("6","3","3","4","1","3","1") = "5"
    & skf18("6","3","3","4","1","4","1") = "5"
    & skf18("6","3","3","4","1","5","1") = "5"
    & skf18("6","3","3","4","1","6","1") = "5"
    & skf18("6","3","3","4","1","7","1") = "6"
    & skf18("6","3","3","4","1","8","1") = "7"
    & skf18("6","3","3","4","1","9","1") = "8"
    & skf18("6","3","3","4","1","10","1") = "9"
    & skf18("6","3","3","4","2","1","1") = "5"
    & skf18("6","3","3","4","2","2","1") = "5"
    & skf18("6","3","3","4","2","3","1") = "5"
    & skf18("6","3","3","4","2","4","1") = "5"
    & skf18("6","3","3","4","2","5","1") = "5"
    & skf18("6","3","3","4","2","6","1") = "5"
    & skf18("6","3","3","4","2","7","1") = "6"
    & skf18("6","3","3","4","2","8","1") = "7"
    & skf18("6","3","3","4","2","9","1") = "8"
    & skf18("6","3","3","4","2","10","1") = "9"
    & skf18("6","3","3","4","3","1","1") = "5"
    & skf18("6","3","3","4","3","2","1") = "5"
    & skf18("6","3","3","4","3","3","1") = "5"
    & skf18("6","3","3","4","3","4","1") = "5"
    & skf18("6","3","3","4","3","5","1") = "5"
    & skf18("6","3","3","4","3","6","1") = "5"
    & skf18("6","3","3","4","3","7","1") = "6"
    & skf18("6","3","3","4","3","8","1") = "7"
    & skf18("6","3","3","4","3","9","1") = "8"
    & skf18("6","3","3","4","3","10","1") = "9"
    & skf18("6","3","3","4","4","1","1") = "5"
    & skf18("6","3","3","4","4","2","1") = "5"
    & skf18("6","3","3","4","4","3","1") = "5"
    & skf18("6","3","3","4","4","4","1") = "5"
    & skf18("6","3","3","4","4","5","1") = "5"
    & skf18("6","3","3","4","4","6","1") = "5"
    & skf18("6","3","3","4","4","7","1") = "6"
    & skf18("6","3","3","4","4","8","1") = "7"
    & skf18("6","3","3","4","4","9","1") = "8"
    & skf18("6","3","3","4","4","10","1") = "9"
    & skf18("6","3","3","4","5","1","1") = "5"
    & skf18("6","3","3","4","5","2","1") = "5"
    & skf18("6","3","3","4","5","3","1") = "5"
    & skf18("6","3","3","4","5","4","1") = "5"
    & skf18("6","3","3","4","5","5","1") = "5"
    & skf18("6","3","3","4","5","6","1") = "5"
    & skf18("6","3","3","4","5","7","1") = "6"
    & skf18("6","3","3","4","5","8","1") = "7"
    & skf18("6","3","3","4","5","9","1") = "8"
    & skf18("6","3","3","4","5","10","1") = "9"
    & skf18("6","3","3","4","6","1","1") = "5"
    & skf18("6","3","3","4","6","2","1") = "5"
    & skf18("6","3","3","4","6","3","1") = "5"
    & skf18("6","3","3","4","6","4","1") = "5"
    & skf18("6","3","3","4","6","5","1") = "5"
    & skf18("6","3","3","4","6","6","1") = "5"
    & skf18("6","3","3","4","6","7","1") = "6"
    & skf18("6","3","3","4","6","8","1") = "7"
    & skf18("6","3","3","4","6","9","1") = "8"
    & skf18("6","3","3","4","6","10","1") = "9"
    & skf18("6","3","3","4","7","1","1") = "6"
    & skf18("6","3","3","4","7","2","1") = "6"
    & skf18("6","3","3","4","7","3","1") = "6"
    & skf18("6","3","3","4","7","4","1") = "6"
    & skf18("6","3","3","4","7","5","1") = "6"
    & skf18("6","3","3","4","7","6","1") = "6"
    & skf18("6","3","3","4","7","7","1") = "6"
    & skf18("6","3","3","4","7","8","1") = "7"
    & skf18("6","3","3","4","7","9","1") = "8"
    & skf18("6","3","3","4","7","10","1") = "9"
    & skf18("6","3","3","4","8","1","1") = "7"
    & skf18("6","3","3","4","8","2","1") = "7"
    & skf18("6","3","3","4","8","3","1") = "7"
    & skf18("6","3","3","4","8","4","1") = "7"
    & skf18("6","3","3","4","8","5","1") = "7"
    & skf18("6","3","3","4","8","6","1") = "7"
    & skf18("6","3","3","4","8","7","1") = "7"
    & skf18("6","3","3","4","8","8","1") = "7"
    & skf18("6","3","3","4","8","9","1") = "8"
    & skf18("6","3","3","4","8","10","1") = "9"
    & skf18("6","3","3","4","9","1","1") = "8"
    & skf18("6","3","3","4","9","2","1") = "8"
    & skf18("6","3","3","4","9","3","1") = "8"
    & skf18("6","3","3","4","9","4","1") = "8"
    & skf18("6","3","3","4","9","5","1") = "8"
    & skf18("6","3","3","4","9","6","1") = "8"
    & skf18("6","3","3","4","9","7","1") = "8"
    & skf18("6","3","3","4","9","8","1") = "8"
    & skf18("6","3","3","4","9","9","1") = "8"
    & skf18("6","3","3","4","9","10","1") = "9"
    & skf18("6","3","3","4","10","1","1") = "9"
    & skf18("6","3","3","4","10","2","1") = "9"
    & skf18("6","3","3","4","10","3","1") = "9"
    & skf18("6","3","3","4","10","4","1") = "9"
    & skf18("6","3","3","4","10","5","1") = "9"
    & skf18("6","3","3","4","10","6","1") = "9"
    & skf18("6","3","3","4","10","7","1") = "9"
    & skf18("6","3","3","4","10","8","1") = "9"
    & skf18("6","3","3","4","10","9","1") = "9"
    & skf18("6","3","3","4","10","10","1") = "9"
    & skf18("6","3","3","5","1","1","1") = "5"
    & skf18("6","3","3","5","1","2","1") = "5"
    & skf18("6","3","3","5","1","3","1") = "5"
    & skf18("6","3","3","5","1","4","1") = "5"
    & skf18("6","3","3","5","1","5","1") = "5"
    & skf18("6","3","3","5","1","6","1") = "5"
    & skf18("6","3","3","5","1","7","1") = "6"
    & skf18("6","3","3","5","1","8","1") = "7"
    & skf18("6","3","3","5","1","9","1") = "8"
    & skf18("6","3","3","5","1","10","1") = "9"
    & skf18("6","3","3","5","2","1","1") = "5"
    & skf18("6","3","3","5","2","2","1") = "5"
    & skf18("6","3","3","5","2","3","1") = "5"
    & skf18("6","3","3","5","2","4","1") = "5"
    & skf18("6","3","3","5","2","5","1") = "5"
    & skf18("6","3","3","5","2","6","1") = "5"
    & skf18("6","3","3","5","2","7","1") = "6"
    & skf18("6","3","3","5","2","8","1") = "7"
    & skf18("6","3","3","5","2","9","1") = "8"
    & skf18("6","3","3","5","2","10","1") = "9"
    & skf18("6","3","3","5","3","1","1") = "5"
    & skf18("6","3","3","5","3","2","1") = "5"
    & skf18("6","3","3","5","3","3","1") = "5"
    & skf18("6","3","3","5","3","4","1") = "5"
    & skf18("6","3","3","5","3","5","1") = "5"
    & skf18("6","3","3","5","3","6","1") = "5"
    & skf18("6","3","3","5","3","7","1") = "6"
    & skf18("6","3","3","5","3","8","1") = "7"
    & skf18("6","3","3","5","3","9","1") = "8"
    & skf18("6","3","3","5","3","10","1") = "9"
    & skf18("6","3","3","5","4","1","1") = "5"
    & skf18("6","3","3","5","4","2","1") = "5"
    & skf18("6","3","3","5","4","3","1") = "5"
    & skf18("6","3","3","5","4","4","1") = "5"
    & skf18("6","3","3","5","4","5","1") = "5"
    & skf18("6","3","3","5","4","6","1") = "5"
    & skf18("6","3","3","5","4","7","1") = "6"
    & skf18("6","3","3","5","4","8","1") = "7"
    & skf18("6","3","3","5","4","9","1") = "8"
    & skf18("6","3","3","5","4","10","1") = "9"
    & skf18("6","3","3","5","5","1","1") = "5"
    & skf18("6","3","3","5","5","2","1") = "5"
    & skf18("6","3","3","5","5","3","1") = "5"
    & skf18("6","3","3","5","5","4","1") = "5"
    & skf18("6","3","3","5","5","5","1") = "5"
    & skf18("6","3","3","5","5","6","1") = "5"
    & skf18("6","3","3","5","5","7","1") = "6"
    & skf18("6","3","3","5","5","8","1") = "7"
    & skf18("6","3","3","5","5","9","1") = "8"
    & skf18("6","3","3","5","5","10","1") = "9"
    & skf18("6","3","3","5","6","1","1") = "5"
    & skf18("6","3","3","5","6","2","1") = "5"
    & skf18("6","3","3","5","6","3","1") = "5"
    & skf18("6","3","3","5","6","4","1") = "5"
    & skf18("6","3","3","5","6","5","1") = "5"
    & skf18("6","3","3","5","6","6","1") = "5"
    & skf18("6","3","3","5","6","7","1") = "6"
    & skf18("6","3","3","5","6","8","1") = "7"
    & skf18("6","3","3","5","6","9","1") = "8"
    & skf18("6","3","3","5","6","10","1") = "9"
    & skf18("6","3","3","5","7","1","1") = "6"
    & skf18("6","3","3","5","7","2","1") = "6"
    & skf18("6","3","3","5","7","3","1") = "6"
    & skf18("6","3","3","5","7","4","1") = "6"
    & skf18("6","3","3","5","7","5","1") = "6"
    & skf18("6","3","3","5","7","6","1") = "6"
    & skf18("6","3","3","5","7","7","1") = "6"
    & skf18("6","3","3","5","7","8","1") = "7"
    & skf18("6","3","3","5","7","9","1") = "8"
    & skf18("6","3","3","5","7","10","1") = "9"
    & skf18("6","3","3","5","8","1","1") = "7"
    & skf18("6","3","3","5","8","2","1") = "7"
    & skf18("6","3","3","5","8","3","1") = "7"
    & skf18("6","3","3","5","8","4","1") = "7"
    & skf18("6","3","3","5","8","5","1") = "7"
    & skf18("6","3","3","5","8","6","1") = "7"
    & skf18("6","3","3","5","8","7","1") = "7"
    & skf18("6","3","3","5","8","8","1") = "7"
    & skf18("6","3","3","5","8","9","1") = "8"
    & skf18("6","3","3","5","8","10","1") = "9"
    & skf18("6","3","3","5","9","1","1") = "8"
    & skf18("6","3","3","5","9","2","1") = "8"
    & skf18("6","3","3","5","9","3","1") = "8"
    & skf18("6","3","3","5","9","4","1") = "8"
    & skf18("6","3","3","5","9","5","1") = "8"
    & skf18("6","3","3","5","9","6","1") = "8"
    & skf18("6","3","3","5","9","7","1") = "8"
    & skf18("6","3","3","5","9","8","1") = "8"
    & skf18("6","3","3","5","9","9","1") = "8"
    & skf18("6","3","3","5","9","10","1") = "9"
    & skf18("6","3","3","5","10","1","1") = "9"
    & skf18("6","3","3","5","10","2","1") = "9"
    & skf18("6","3","3","5","10","3","1") = "9"
    & skf18("6","3","3","5","10","4","1") = "9"
    & skf18("6","3","3","5","10","5","1") = "9"
    & skf18("6","3","3","5","10","6","1") = "9"
    & skf18("6","3","3","5","10","7","1") = "9"
    & skf18("6","3","3","5","10","8","1") = "9"
    & skf18("6","3","3","5","10","9","1") = "9"
    & skf18("6","3","3","5","10","10","1") = "9"
    & skf18("6","3","3","6","1","1","1") = "5"
    & skf18("6","3","3","6","1","2","1") = "5"
    & skf18("6","3","3","6","1","3","1") = "5"
    & skf18("6","3","3","6","1","4","1") = "5"
    & skf18("6","3","3","6","1","5","1") = "5"
    & skf18("6","3","3","6","1","6","1") = "5"
    & skf18("6","3","3","6","1","7","1") = "6"
    & skf18("6","3","3","6","1","8","1") = "7"
    & skf18("6","3","3","6","1","9","1") = "8"
    & skf18("6","3","3","6","1","10","1") = "9"
    & skf18("6","3","3","6","2","1","1") = "5"
    & skf18("6","3","3","6","2","2","1") = "5"
    & skf18("6","3","3","6","2","3","1") = "5"
    & skf18("6","3","3","6","2","4","1") = "5"
    & skf18("6","3","3","6","2","5","1") = "5"
    & skf18("6","3","3","6","2","6","1") = "5"
    & skf18("6","3","3","6","2","7","1") = "6"
    & skf18("6","3","3","6","2","8","1") = "7"
    & skf18("6","3","3","6","2","9","1") = "8"
    & skf18("6","3","3","6","2","10","1") = "9"
    & skf18("6","3","3","6","3","1","1") = "5"
    & skf18("6","3","3","6","3","2","1") = "5"
    & skf18("6","3","3","6","3","3","1") = "5"
    & skf18("6","3","3","6","3","4","1") = "5"
    & skf18("6","3","3","6","3","5","1") = "5"
    & skf18("6","3","3","6","3","6","1") = "5"
    & skf18("6","3","3","6","3","7","1") = "6"
    & skf18("6","3","3","6","3","8","1") = "7"
    & skf18("6","3","3","6","3","9","1") = "8"
    & skf18("6","3","3","6","3","10","1") = "9"
    & skf18("6","3","3","6","4","1","1") = "5"
    & skf18("6","3","3","6","4","2","1") = "5"
    & skf18("6","3","3","6","4","3","1") = "5"
    & skf18("6","3","3","6","4","4","1") = "5"
    & skf18("6","3","3","6","4","5","1") = "5"
    & skf18("6","3","3","6","4","6","1") = "5"
    & skf18("6","3","3","6","4","7","1") = "6"
    & skf18("6","3","3","6","4","8","1") = "7"
    & skf18("6","3","3","6","4","9","1") = "8"
    & skf18("6","3","3","6","4","10","1") = "9"
    & skf18("6","3","3","6","5","1","1") = "5"
    & skf18("6","3","3","6","5","2","1") = "5"
    & skf18("6","3","3","6","5","3","1") = "5"
    & skf18("6","3","3","6","5","4","1") = "5"
    & skf18("6","3","3","6","5","5","1") = "5"
    & skf18("6","3","3","6","5","6","1") = "5"
    & skf18("6","3","3","6","5","7","1") = "6"
    & skf18("6","3","3","6","5","8","1") = "7"
    & skf18("6","3","3","6","5","9","1") = "8"
    & skf18("6","3","3","6","5","10","1") = "9"
    & skf18("6","3","3","6","6","1","1") = "5"
    & skf18("6","3","3","6","6","2","1") = "5"
    & skf18("6","3","3","6","6","3","1") = "5"
    & skf18("6","3","3","6","6","4","1") = "5"
    & skf18("6","3","3","6","6","5","1") = "5"
    & skf18("6","3","3","6","6","6","1") = "5"
    & skf18("6","3","3","6","6","7","1") = "6"
    & skf18("6","3","3","6","6","8","1") = "7"
    & skf18("6","3","3","6","6","9","1") = "8"
    & skf18("6","3","3","6","6","10","1") = "9"
    & skf18("6","3","3","6","7","1","1") = "6"
    & skf18("6","3","3","6","7","2","1") = "6"
    & skf18("6","3","3","6","7","3","1") = "6"
    & skf18("6","3","3","6","7","4","1") = "6"
    & skf18("6","3","3","6","7","5","1") = "6"
    & skf18("6","3","3","6","7","6","1") = "6"
    & skf18("6","3","3","6","7","7","1") = "6"
    & skf18("6","3","3","6","7","8","1") = "7"
    & skf18("6","3","3","6","7","9","1") = "8"
    & skf18("6","3","3","6","7","10","1") = "9"
    & skf18("6","3","3","6","8","1","1") = "7"
    & skf18("6","3","3","6","8","2","1") = "7"
    & skf18("6","3","3","6","8","3","1") = "7"
    & skf18("6","3","3","6","8","4","1") = "7"
    & skf18("6","3","3","6","8","5","1") = "7"
    & skf18("6","3","3","6","8","6","1") = "7"
    & skf18("6","3","3","6","8","7","1") = "7"
    & skf18("6","3","3","6","8","8","1") = "7"
    & skf18("6","3","3","6","8","9","1") = "8"
    & skf18("6","3","3","6","8","10","1") = "9"
    & skf18("6","3","3","6","9","1","1") = "8"
    & skf18("6","3","3","6","9","2","1") = "8"
    & skf18("6","3","3","6","9","3","1") = "8"
    & skf18("6","3","3","6","9","4","1") = "8"
    & skf18("6","3","3","6","9","5","1") = "8"
    & skf18("6","3","3","6","9","6","1") = "8"
    & skf18("6","3","3","6","9","7","1") = "8"
    & skf18("6","3","3","6","9","8","1") = "8"
    & skf18("6","3","3","6","9","9","1") = "8"
    & skf18("6","3","3","6","9","10","1") = "9"
    & skf18("6","3","3","6","10","1","1") = "9"
    & skf18("6","3","3","6","10","2","1") = "9"
    & skf18("6","3","3","6","10","3","1") = "9"
    & skf18("6","3","3","6","10","4","1") = "9"
    & skf18("6","3","3","6","10","5","1") = "9"
    & skf18("6","3","3","6","10","6","1") = "9"
    & skf18("6","3","3","6","10","7","1") = "9"
    & skf18("6","3","3","6","10","8","1") = "9"
    & skf18("6","3","3","6","10","9","1") = "9"
    & skf18("6","3","3","6","10","10","1") = "9"
    & skf18("6","3","3","7","1","1","1") = "6"
    & skf18("6","3","3","7","1","2","1") = "6"
    & skf18("6","3","3","7","1","3","1") = "6"
    & skf18("6","3","3","7","1","4","1") = "6"
    & skf18("6","3","3","7","1","5","1") = "6"
    & skf18("6","3","3","7","1","6","1") = "6"
    & skf18("6","3","3","7","1","7","1") = "6"
    & skf18("6","3","3","7","1","8","1") = "7"
    & skf18("6","3","3","7","1","9","1") = "8"
    & skf18("6","3","3","7","1","10","1") = "9"
    & skf18("6","3","3","7","2","1","1") = "6"
    & skf18("6","3","3","7","2","2","1") = "6"
    & skf18("6","3","3","7","2","3","1") = "6"
    & skf18("6","3","3","7","2","4","1") = "6"
    & skf18("6","3","3","7","2","5","1") = "6"
    & skf18("6","3","3","7","2","6","1") = "6"
    & skf18("6","3","3","7","2","7","1") = "6"
    & skf18("6","3","3","7","2","8","1") = "7"
    & skf18("6","3","3","7","2","9","1") = "8"
    & skf18("6","3","3","7","2","10","1") = "9"
    & skf18("6","3","3","7","3","1","1") = "6"
    & skf18("6","3","3","7","3","2","1") = "6"
    & skf18("6","3","3","7","3","3","1") = "6"
    & skf18("6","3","3","7","3","4","1") = "6"
    & skf18("6","3","3","7","3","5","1") = "6"
    & skf18("6","3","3","7","3","6","1") = "6"
    & skf18("6","3","3","7","3","7","1") = "6"
    & skf18("6","3","3","7","3","8","1") = "7"
    & skf18("6","3","3","7","3","9","1") = "8"
    & skf18("6","3","3","7","3","10","1") = "9"
    & skf18("6","3","3","7","4","1","1") = "6"
    & skf18("6","3","3","7","4","2","1") = "6"
    & skf18("6","3","3","7","4","3","1") = "6"
    & skf18("6","3","3","7","4","4","1") = "6"
    & skf18("6","3","3","7","4","5","1") = "6"
    & skf18("6","3","3","7","4","6","1") = "6"
    & skf18("6","3","3","7","4","7","1") = "6"
    & skf18("6","3","3","7","4","8","1") = "7"
    & skf18("6","3","3","7","4","9","1") = "8"
    & skf18("6","3","3","7","4","10","1") = "9"
    & skf18("6","3","3","7","5","1","1") = "6"
    & skf18("6","3","3","7","5","2","1") = "6"
    & skf18("6","3","3","7","5","3","1") = "6"
    & skf18("6","3","3","7","5","4","1") = "6"
    & skf18("6","3","3","7","5","5","1") = "6"
    & skf18("6","3","3","7","5","6","1") = "6"
    & skf18("6","3","3","7","5","7","1") = "6"
    & skf18("6","3","3","7","5","8","1") = "7"
    & skf18("6","3","3","7","5","9","1") = "8"
    & skf18("6","3","3","7","5","10","1") = "9"
    & skf18("6","3","3","7","6","1","1") = "6"
    & skf18("6","3","3","7","6","2","1") = "6"
    & skf18("6","3","3","7","6","3","1") = "6"
    & skf18("6","3","3","7","6","4","1") = "6"
    & skf18("6","3","3","7","6","5","1") = "6"
    & skf18("6","3","3","7","6","6","1") = "6"
    & skf18("6","3","3","7","6","7","1") = "6"
    & skf18("6","3","3","7","6","8","1") = "7"
    & skf18("6","3","3","7","6","9","1") = "8"
    & skf18("6","3","3","7","6","10","1") = "9"
    & skf18("6","3","3","7","7","1","1") = "6"
    & skf18("6","3","3","7","7","2","1") = "6"
    & skf18("6","3","3","7","7","3","1") = "6"
    & skf18("6","3","3","7","7","4","1") = "6"
    & skf18("6","3","3","7","7","5","1") = "6"
    & skf18("6","3","3","7","7","6","1") = "6"
    & skf18("6","3","3","7","7","7","1") = "6"
    & skf18("6","3","3","7","7","8","1") = "7"
    & skf18("6","3","3","7","7","9","1") = "8"
    & skf18("6","3","3","7","7","10","1") = "9"
    & skf18("6","3","3","7","8","1","1") = "7"
    & skf18("6","3","3","7","8","2","1") = "7"
    & skf18("6","3","3","7","8","3","1") = "7"
    & skf18("6","3","3","7","8","4","1") = "7"
    & skf18("6","3","3","7","8","5","1") = "7"
    & skf18("6","3","3","7","8","6","1") = "7"
    & skf18("6","3","3","7","8","7","1") = "7"
    & skf18("6","3","3","7","8","8","1") = "7"
    & skf18("6","3","3","7","8","9","1") = "8"
    & skf18("6","3","3","7","8","10","1") = "9"
    & skf18("6","3","3","7","9","1","1") = "8"
    & skf18("6","3","3","7","9","2","1") = "8"
    & skf18("6","3","3","7","9","3","1") = "8"
    & skf18("6","3","3","7","9","4","1") = "8"
    & skf18("6","3","3","7","9","5","1") = "8"
    & skf18("6","3","3","7","9","6","1") = "8"
    & skf18("6","3","3","7","9","7","1") = "8"
    & skf18("6","3","3","7","9","8","1") = "8"
    & skf18("6","3","3","7","9","9","1") = "8"
    & skf18("6","3","3","7","9","10","1") = "9"
    & skf18("6","3","3","7","10","1","1") = "9"
    & skf18("6","3","3","7","10","2","1") = "9"
    & skf18("6","3","3","7","10","3","1") = "9"
    & skf18("6","3","3","7","10","4","1") = "9"
    & skf18("6","3","3","7","10","5","1") = "9"
    & skf18("6","3","3","7","10","6","1") = "9"
    & skf18("6","3","3","7","10","7","1") = "9"
    & skf18("6","3","3","7","10","8","1") = "9"
    & skf18("6","3","3","7","10","9","1") = "9"
    & skf18("6","3","3","7","10","10","1") = "9"
    & skf18("6","3","3","8","1","1","1") = "7"
    & skf18("6","3","3","8","1","2","1") = "7"
    & skf18("6","3","3","8","1","3","1") = "7"
    & skf18("6","3","3","8","1","4","1") = "7"
    & skf18("6","3","3","8","1","5","1") = "7"
    & skf18("6","3","3","8","1","6","1") = "7"
    & skf18("6","3","3","8","1","7","1") = "7"
    & skf18("6","3","3","8","1","8","1") = "7"
    & skf18("6","3","3","8","1","9","1") = "8"
    & skf18("6","3","3","8","1","10","1") = "9"
    & skf18("6","3","3","8","2","1","1") = "7"
    & skf18("6","3","3","8","2","2","1") = "7"
    & skf18("6","3","3","8","2","3","1") = "7"
    & skf18("6","3","3","8","2","4","1") = "7"
    & skf18("6","3","3","8","2","5","1") = "7"
    & skf18("6","3","3","8","2","6","1") = "7"
    & skf18("6","3","3","8","2","7","1") = "7"
    & skf18("6","3","3","8","2","8","1") = "7"
    & skf18("6","3","3","8","2","9","1") = "8"
    & skf18("6","3","3","8","2","10","1") = "9"
    & skf18("6","3","3","8","3","1","1") = "7"
    & skf18("6","3","3","8","3","2","1") = "7"
    & skf18("6","3","3","8","3","3","1") = "7"
    & skf18("6","3","3","8","3","4","1") = "7"
    & skf18("6","3","3","8","3","5","1") = "7"
    & skf18("6","3","3","8","3","6","1") = "7"
    & skf18("6","3","3","8","3","7","1") = "7"
    & skf18("6","3","3","8","3","8","1") = "7"
    & skf18("6","3","3","8","3","9","1") = "8"
    & skf18("6","3","3","8","3","10","1") = "9"
    & skf18("6","3","3","8","4","1","1") = "7"
    & skf18("6","3","3","8","4","2","1") = "7"
    & skf18("6","3","3","8","4","3","1") = "7"
    & skf18("6","3","3","8","4","4","1") = "7"
    & skf18("6","3","3","8","4","5","1") = "7"
    & skf18("6","3","3","8","4","6","1") = "7"
    & skf18("6","3","3","8","4","7","1") = "7"
    & skf18("6","3","3","8","4","8","1") = "7"
    & skf18("6","3","3","8","4","9","1") = "8"
    & skf18("6","3","3","8","4","10","1") = "9"
    & skf18("6","3","3","8","5","1","1") = "7"
    & skf18("6","3","3","8","5","2","1") = "7"
    & skf18("6","3","3","8","5","3","1") = "7"
    & skf18("6","3","3","8","5","4","1") = "7"
    & skf18("6","3","3","8","5","5","1") = "7"
    & skf18("6","3","3","8","5","6","1") = "7"
    & skf18("6","3","3","8","5","7","1") = "7"
    & skf18("6","3","3","8","5","8","1") = "7"
    & skf18("6","3","3","8","5","9","1") = "8"
    & skf18("6","3","3","8","5","10","1") = "9"
    & skf18("6","3","3","8","6","1","1") = "7"
    & skf18("6","3","3","8","6","2","1") = "7"
    & skf18("6","3","3","8","6","3","1") = "7"
    & skf18("6","3","3","8","6","4","1") = "7"
    & skf18("6","3","3","8","6","5","1") = "7"
    & skf18("6","3","3","8","6","6","1") = "7"
    & skf18("6","3","3","8","6","7","1") = "7"
    & skf18("6","3","3","8","6","8","1") = "7"
    & skf18("6","3","3","8","6","9","1") = "8"
    & skf18("6","3","3","8","6","10","1") = "9"
    & skf18("6","3","3","8","7","1","1") = "7"
    & skf18("6","3","3","8","7","2","1") = "7"
    & skf18("6","3","3","8","7","3","1") = "7"
    & skf18("6","3","3","8","7","4","1") = "7"
    & skf18("6","3","3","8","7","5","1") = "7"
    & skf18("6","3","3","8","7","6","1") = "7"
    & skf18("6","3","3","8","7","7","1") = "7"
    & skf18("6","3","3","8","7","8","1") = "7"
    & skf18("6","3","3","8","7","9","1") = "8"
    & skf18("6","3","3","8","7","10","1") = "9"
    & skf18("6","3","3","8","8","1","1") = "7"
    & skf18("6","3","3","8","8","2","1") = "7"
    & skf18("6","3","3","8","8","3","1") = "7"
    & skf18("6","3","3","8","8","4","1") = "7"
    & skf18("6","3","3","8","8","5","1") = "7"
    & skf18("6","3","3","8","8","6","1") = "7"
    & skf18("6","3","3","8","8","7","1") = "7"
    & skf18("6","3","3","8","8","8","1") = "7"
    & skf18("6","3","3","8","8","9","1") = "8"
    & skf18("6","3","3","8","8","10","1") = "9"
    & skf18("6","3","3","8","9","1","1") = "8"
    & skf18("6","3","3","8","9","2","1") = "8"
    & skf18("6","3","3","8","9","3","1") = "8"
    & skf18("6","3","3","8","9","4","1") = "8"
    & skf18("6","3","3","8","9","5","1") = "8"
    & skf18("6","3","3","8","9","6","1") = "8"
    & skf18("6","3","3","8","9","7","1") = "8"
    & skf18("6","3","3","8","9","8","1") = "8"
    & skf18("6","3","3","8","9","9","1") = "8"
    & skf18("6","3","3","8","9","10","1") = "9"
    & skf18("6","3","3","8","10","1","1") = "9"
    & skf18("6","3","3","8","10","2","1") = "9"
    & skf18("6","3","3","8","10","3","1") = "9"
    & skf18("6","3","3","8","10","4","1") = "9"
    & skf18("6","3","3","8","10","5","1") = "9"
    & skf18("6","3","3","8","10","6","1") = "9"
    & skf18("6","3","3","8","10","7","1") = "9"
    & skf18("6","3","3","8","10","8","1") = "9"
    & skf18("6","3","3","8","10","9","1") = "9"
    & skf18("6","3","3","8","10","10","1") = "9"
    & skf18("6","3","3","9","1","1","1") = "8"
    & skf18("6","3","3","9","1","2","1") = "8"
    & skf18("6","3","3","9","1","3","1") = "8"
    & skf18("6","3","3","9","1","4","1") = "8"
    & skf18("6","3","3","9","1","5","1") = "8"
    & skf18("6","3","3","9","1","6","1") = "8"
    & skf18("6","3","3","9","1","7","1") = "8"
    & skf18("6","3","3","9","1","8","1") = "8"
    & skf18("6","3","3","9","1","9","1") = "8"
    & skf18("6","3","3","9","1","10","1") = "9"
    & skf18("6","3","3","9","2","1","1") = "8"
    & skf18("6","3","3","9","2","2","1") = "8"
    & skf18("6","3","3","9","2","3","1") = "8"
    & skf18("6","3","3","9","2","4","1") = "8"
    & skf18("6","3","3","9","2","5","1") = "8"
    & skf18("6","3","3","9","2","6","1") = "8"
    & skf18("6","3","3","9","2","7","1") = "8"
    & skf18("6","3","3","9","2","8","1") = "8"
    & skf18("6","3","3","9","2","9","1") = "8"
    & skf18("6","3","3","9","2","10","1") = "9"
    & skf18("6","3","3","9","3","1","1") = "8"
    & skf18("6","3","3","9","3","2","1") = "8"
    & skf18("6","3","3","9","3","3","1") = "8"
    & skf18("6","3","3","9","3","4","1") = "8"
    & skf18("6","3","3","9","3","5","1") = "8"
    & skf18("6","3","3","9","3","6","1") = "8"
    & skf18("6","3","3","9","3","7","1") = "8"
    & skf18("6","3","3","9","3","8","1") = "8"
    & skf18("6","3","3","9","3","9","1") = "8"
    & skf18("6","3","3","9","3","10","1") = "9"
    & skf18("6","3","3","9","4","1","1") = "8"
    & skf18("6","3","3","9","4","2","1") = "8"
    & skf18("6","3","3","9","4","3","1") = "8"
    & skf18("6","3","3","9","4","4","1") = "8"
    & skf18("6","3","3","9","4","5","1") = "8"
    & skf18("6","3","3","9","4","6","1") = "8"
    & skf18("6","3","3","9","4","7","1") = "8"
    & skf18("6","3","3","9","4","8","1") = "8"
    & skf18("6","3","3","9","4","9","1") = "8"
    & skf18("6","3","3","9","4","10","1") = "9"
    & skf18("6","3","3","9","5","1","1") = "8"
    & skf18("6","3","3","9","5","2","1") = "8"
    & skf18("6","3","3","9","5","3","1") = "8"
    & skf18("6","3","3","9","5","4","1") = "8"
    & skf18("6","3","3","9","5","5","1") = "8"
    & skf18("6","3","3","9","5","6","1") = "8"
    & skf18("6","3","3","9","5","7","1") = "8"
    & skf18("6","3","3","9","5","8","1") = "8"
    & skf18("6","3","3","9","5","9","1") = "8"
    & skf18("6","3","3","9","5","10","1") = "9"
    & skf18("6","3","3","9","6","1","1") = "8"
    & skf18("6","3","3","9","6","2","1") = "8"
    & skf18("6","3","3","9","6","3","1") = "8"
    & skf18("6","3","3","9","6","4","1") = "8"
    & skf18("6","3","3","9","6","5","1") = "8"
    & skf18("6","3","3","9","6","6","1") = "8"
    & skf18("6","3","3","9","6","7","1") = "8"
    & skf18("6","3","3","9","6","8","1") = "8"
    & skf18("6","3","3","9","6","9","1") = "8"
    & skf18("6","3","3","9","6","10","1") = "9"
    & skf18("6","3","3","9","7","1","1") = "8"
    & skf18("6","3","3","9","7","2","1") = "8"
    & skf18("6","3","3","9","7","3","1") = "8"
    & skf18("6","3","3","9","7","4","1") = "8"
    & skf18("6","3","3","9","7","5","1") = "8"
    & skf18("6","3","3","9","7","6","1") = "8"
    & skf18("6","3","3","9","7","7","1") = "8"
    & skf18("6","3","3","9","7","8","1") = "8"
    & skf18("6","3","3","9","7","9","1") = "8"
    & skf18("6","3","3","9","7","10","1") = "9"
    & skf18("6","3","3","9","8","1","1") = "8"
    & skf18("6","3","3","9","8","2","1") = "8"
    & skf18("6","3","3","9","8","3","1") = "8"
    & skf18("6","3","3","9","8","4","1") = "8"
    & skf18("6","3","3","9","8","5","1") = "8"
    & skf18("6","3","3","9","8","6","1") = "8"
    & skf18("6","3","3","9","8","7","1") = "8"
    & skf18("6","3","3","9","8","8","1") = "8"
    & skf18("6","3","3","9","8","9","1") = "8"
    & skf18("6","3","3","9","8","10","1") = "9"
    & skf18("6","3","3","9","9","1","1") = "8"
    & skf18("6","3","3","9","9","2","1") = "8"
    & skf18("6","3","3","9","9","3","1") = "8"
    & skf18("6","3","3","9","9","4","1") = "8"
    & skf18("6","3","3","9","9","5","1") = "8"
    & skf18("6","3","3","9","9","6","1") = "8"
    & skf18("6","3","3","9","9","7","1") = "8"
    & skf18("6","3","3","9","9","8","1") = "8"
    & skf18("6","3","3","9","9","9","1") = "8"
    & skf18("6","3","3","9","9","10","1") = "9"
    & skf18("6","3","3","9","10","1","1") = "9"
    & skf18("6","3","3","9","10","2","1") = "9"
    & skf18("6","3","3","9","10","3","1") = "9"
    & skf18("6","3","3","9","10","4","1") = "9"
    & skf18("6","3","3","9","10","5","1") = "9"
    & skf18("6","3","3","9","10","6","1") = "9"
    & skf18("6","3","3","9","10","7","1") = "9"
    & skf18("6","3","3","9","10","8","1") = "9"
    & skf18("6","3","3","9","10","9","1") = "9"
    & skf18("6","3","3","9","10","10","1") = "9"
    & skf18("6","3","3","10","1","1","1") = "9"
    & skf18("6","3","3","10","1","2","1") = "9"
    & skf18("6","3","3","10","1","3","1") = "9"
    & skf18("6","3","3","10","1","4","1") = "9"
    & skf18("6","3","3","10","1","5","1") = "9"
    & skf18("6","3","3","10","1","6","1") = "9"
    & skf18("6","3","3","10","1","7","1") = "9"
    & skf18("6","3","3","10","1","8","1") = "9"
    & skf18("6","3","3","10","1","9","1") = "9"
    & skf18("6","3","3","10","1","10","1") = "9"
    & skf18("6","3","3","10","2","1","1") = "9"
    & skf18("6","3","3","10","2","2","1") = "9"
    & skf18("6","3","3","10","2","3","1") = "9"
    & skf18("6","3","3","10","2","4","1") = "9"
    & skf18("6","3","3","10","2","5","1") = "9"
    & skf18("6","3","3","10","2","6","1") = "9"
    & skf18("6","3","3","10","2","7","1") = "9"
    & skf18("6","3","3","10","2","8","1") = "9"
    & skf18("6","3","3","10","2","9","1") = "9"
    & skf18("6","3","3","10","2","10","1") = "9"
    & skf18("6","3","3","10","3","1","1") = "9"
    & skf18("6","3","3","10","3","2","1") = "9"
    & skf18("6","3","3","10","3","3","1") = "9"
    & skf18("6","3","3","10","3","4","1") = "9"
    & skf18("6","3","3","10","3","5","1") = "9"
    & skf18("6","3","3","10","3","6","1") = "9"
    & skf18("6","3","3","10","3","7","1") = "9"
    & skf18("6","3","3","10","3","8","1") = "9"
    & skf18("6","3","3","10","3","9","1") = "9"
    & skf18("6","3","3","10","3","10","1") = "9"
    & skf18("6","3","3","10","4","1","1") = "9"
    & skf18("6","3","3","10","4","2","1") = "9"
    & skf18("6","3","3","10","4","3","1") = "9"
    & skf18("6","3","3","10","4","4","1") = "9"
    & skf18("6","3","3","10","4","5","1") = "9"
    & skf18("6","3","3","10","4","6","1") = "9"
    & skf18("6","3","3","10","4","7","1") = "9"
    & skf18("6","3","3","10","4","8","1") = "9"
    & skf18("6","3","3","10","4","9","1") = "9"
    & skf18("6","3","3","10","4","10","1") = "9"
    & skf18("6","3","3","10","5","1","1") = "9"
    & skf18("6","3","3","10","5","2","1") = "9"
    & skf18("6","3","3","10","5","3","1") = "9"
    & skf18("6","3","3","10","5","4","1") = "9"
    & skf18("6","3","3","10","5","5","1") = "9"
    & skf18("6","3","3","10","5","6","1") = "9"
    & skf18("6","3","3","10","5","7","1") = "9"
    & skf18("6","3","3","10","5","8","1") = "9"
    & skf18("6","3","3","10","5","9","1") = "9"
    & skf18("6","3","3","10","5","10","1") = "9"
    & skf18("6","3","3","10","6","1","1") = "9"
    & skf18("6","3","3","10","6","2","1") = "9"
    & skf18("6","3","3","10","6","3","1") = "9"
    & skf18("6","3","3","10","6","4","1") = "9"
    & skf18("6","3","3","10","6","5","1") = "9"
    & skf18("6","3","3","10","6","6","1") = "9"
    & skf18("6","3","3","10","6","7","1") = "9"
    & skf18("6","3","3","10","6","8","1") = "9"
    & skf18("6","3","3","10","6","9","1") = "9"
    & skf18("6","3","3","10","6","10","1") = "9"
    & skf18("6","3","3","10","7","1","1") = "9"
    & skf18("6","3","3","10","7","2","1") = "9"
    & skf18("6","3","3","10","7","3","1") = "9"
    & skf18("6","3","3","10","7","4","1") = "9"
    & skf18("6","3","3","10","7","5","1") = "9"
    & skf18("6","3","3","10","7","6","1") = "9"
    & skf18("6","3","3","10","7","7","1") = "9"
    & skf18("6","3","3","10","7","8","1") = "9"
    & skf18("6","3","3","10","7","9","1") = "9"
    & skf18("6","3","3","10","7","10","1") = "9"
    & skf18("6","3","3","10","8","1","1") = "9"
    & skf18("6","3","3","10","8","2","1") = "9"
    & skf18("6","3","3","10","8","3","1") = "9"
    & skf18("6","3","3","10","8","4","1") = "9"
    & skf18("6","3","3","10","8","5","1") = "9"
    & skf18("6","3","3","10","8","6","1") = "9"
    & skf18("6","3","3","10","8","7","1") = "9"
    & skf18("6","3","3","10","8","8","1") = "9"
    & skf18("6","3","3","10","8","9","1") = "9"
    & skf18("6","3","3","10","8","10","1") = "9"
    & skf18("6","3","3","10","9","1","1") = "9"
    & skf18("6","3","3","10","9","2","1") = "9"
    & skf18("6","3","3","10","9","3","1") = "9"
    & skf18("6","3","3","10","9","4","1") = "9"
    & skf18("6","3","3","10","9","5","1") = "9"
    & skf18("6","3","3","10","9","6","1") = "9"
    & skf18("6","3","3","10","9","7","1") = "9"
    & skf18("6","3","3","10","9","8","1") = "9"
    & skf18("6","3","3","10","9","9","1") = "9"
    & skf18("6","3","3","10","9","10","1") = "9"
    & skf18("6","3","3","10","10","1","1") = "9"
    & skf18("6","3","3","10","10","2","1") = "9"
    & skf18("6","3","3","10","10","3","1") = "9"
    & skf18("6","3","3","10","10","4","1") = "9"
    & skf18("6","3","3","10","10","5","1") = "9"
    & skf18("6","3","3","10","10","6","1") = "9"
    & skf18("6","3","3","10","10","7","1") = "9"
    & skf18("6","3","3","10","10","8","1") = "9"
    & skf18("6","3","3","10","10","9","1") = "9"
    & skf18("6","3","3","10","10","10","1") = "9"
    & skf18("6","3","4","1","1","1","1") = "5"
    & skf18("6","3","4","1","1","2","1") = "5"
    & skf18("6","3","4","1","1","3","1") = "5"
    & skf18("6","3","4","1","1","4","1") = "5"
    & skf18("6","3","4","1","1","5","1") = "5"
    & skf18("6","3","4","1","1","6","1") = "5"
    & skf18("6","3","4","1","1","7","1") = "6"
    & skf18("6","3","4","1","1","8","1") = "7"
    & skf18("6","3","4","1","1","9","1") = "8"
    & skf18("6","3","4","1","1","10","1") = "9"
    & skf18("6","3","4","1","2","1","1") = "5"
    & skf18("6","3","4","1","2","2","1") = "5"
    & skf18("6","3","4","1","2","3","1") = "5"
    & skf18("6","3","4","1","2","4","1") = "5"
    & skf18("6","3","4","1","2","5","1") = "5"
    & skf18("6","3","4","1","2","6","1") = "5"
    & skf18("6","3","4","1","2","7","1") = "6"
    & skf18("6","3","4","1","2","8","1") = "7"
    & skf18("6","3","4","1","2","9","1") = "8"
    & skf18("6","3","4","1","2","10","1") = "9"
    & skf18("6","3","4","1","3","1","1") = "5"
    & skf18("6","3","4","1","3","2","1") = "5"
    & skf18("6","3","4","1","3","3","1") = "5"
    & skf18("6","3","4","1","3","4","1") = "5"
    & skf18("6","3","4","1","3","5","1") = "5"
    & skf18("6","3","4","1","3","6","1") = "5"
    & skf18("6","3","4","1","3","7","1") = "6"
    & skf18("6","3","4","1","3","8","1") = "7"
    & skf18("6","3","4","1","3","9","1") = "8"
    & skf18("6","3","4","1","3","10","1") = "9"
    & skf18("6","3","4","1","4","1","1") = "5"
    & skf18("6","3","4","1","4","2","1") = "5"
    & skf18("6","3","4","1","4","3","1") = "5"
    & skf18("6","3","4","1","4","4","1") = "5"
    & skf18("6","3","4","1","4","5","1") = "5"
    & skf18("6","3","4","1","4","6","1") = "5"
    & skf18("6","3","4","1","4","7","1") = "6"
    & skf18("6","3","4","1","4","8","1") = "7"
    & skf18("6","3","4","1","4","9","1") = "8"
    & skf18("6","3","4","1","4","10","1") = "9"
    & skf18("6","3","4","1","5","1","1") = "5"
    & skf18("6","3","4","1","5","2","1") = "5"
    & skf18("6","3","4","1","5","3","1") = "5"
    & skf18("6","3","4","1","5","4","1") = "5"
    & skf18("6","3","4","1","5","5","1") = "5"
    & skf18("6","3","4","1","5","6","1") = "5"
    & skf18("6","3","4","1","5","7","1") = "6"
    & skf18("6","3","4","1","5","8","1") = "7"
    & skf18("6","3","4","1","5","9","1") = "8"
    & skf18("6","3","4","1","5","10","1") = "9"
    & skf18("6","3","4","1","6","1","1") = "5"
    & skf18("6","3","4","1","6","2","1") = "5"
    & skf18("6","3","4","1","6","3","1") = "5"
    & skf18("6","3","4","1","6","4","1") = "5"
    & skf18("6","3","4","1","6","5","1") = "5"
    & skf18("6","3","4","1","6","6","1") = "5"
    & skf18("6","3","4","1","6","7","1") = "6"
    & skf18("6","3","4","1","6","8","1") = "7"
    & skf18("6","3","4","1","6","9","1") = "8"
    & skf18("6","3","4","1","6","10","1") = "9"
    & skf18("6","3","4","1","7","1","1") = "6"
    & skf18("6","3","4","1","7","2","1") = "6"
    & skf18("6","3","4","1","7","3","1") = "6"
    & skf18("6","3","4","1","7","4","1") = "6"
    & skf18("6","3","4","1","7","5","1") = "6"
    & skf18("6","3","4","1","7","6","1") = "6"
    & skf18("6","3","4","1","7","7","1") = "6"
    & skf18("6","3","4","1","7","8","1") = "7"
    & skf18("6","3","4","1","7","9","1") = "8"
    & skf18("6","3","4","1","7","10","1") = "9"
    & skf18("6","3","4","1","8","1","1") = "7"
    & skf18("6","3","4","1","8","2","1") = "7"
    & skf18("6","3","4","1","8","3","1") = "7"
    & skf18("6","3","4","1","8","4","1") = "7"
    & skf18("6","3","4","1","8","5","1") = "7"
    & skf18("6","3","4","1","8","6","1") = "7"
    & skf18("6","3","4","1","8","7","1") = "7"
    & skf18("6","3","4","1","8","8","1") = "7"
    & skf18("6","3","4","1","8","9","1") = "8"
    & skf18("6","3","4","1","8","10","1") = "9"
    & skf18("6","3","4","1","9","1","1") = "8"
    & skf18("6","3","4","1","9","2","1") = "8"
    & skf18("6","3","4","1","9","3","1") = "8"
    & skf18("6","3","4","1","9","4","1") = "8"
    & skf18("6","3","4","1","9","5","1") = "8"
    & skf18("6","3","4","1","9","6","1") = "8"
    & skf18("6","3","4","1","9","7","1") = "8"
    & skf18("6","3","4","1","9","8","1") = "8"
    & skf18("6","3","4","1","9","9","1") = "8"
    & skf18("6","3","4","1","9","10","1") = "9"
    & skf18("6","3","4","1","10","1","1") = "9"
    & skf18("6","3","4","1","10","2","1") = "9"
    & skf18("6","3","4","1","10","3","1") = "9"
    & skf18("6","3","4","1","10","4","1") = "9"
    & skf18("6","3","4","1","10","5","1") = "9"
    & skf18("6","3","4","1","10","6","1") = "9"
    & skf18("6","3","4","1","10","7","1") = "9"
    & skf18("6","3","4","1","10","8","1") = "9"
    & skf18("6","3","4","1","10","9","1") = "9"
    & skf18("6","3","4","1","10","10","1") = "9"
    & skf18("6","3","4","2","1","1","1") = "5"
    & skf18("6","3","4","2","1","2","1") = "5"
    & skf18("6","3","4","2","1","3","1") = "5"
    & skf18("6","3","4","2","1","4","1") = "5"
    & skf18("6","3","4","2","1","5","1") = "5"
    & skf18("6","3","4","2","1","6","1") = "5"
    & skf18("6","3","4","2","1","7","1") = "6"
    & skf18("6","3","4","2","1","8","1") = "7"
    & skf18("6","3","4","2","1","9","1") = "8"
    & skf18("6","3","4","2","1","10","1") = "9"
    & skf18("6","3","4","2","2","1","1") = "5"
    & skf18("6","3","4","2","2","2","1") = "5"
    & skf18("6","3","4","2","2","3","1") = "5"
    & skf18("6","3","4","2","2","4","1") = "5"
    & skf18("6","3","4","2","2","5","1") = "5"
    & skf18("6","3","4","2","2","6","1") = "5"
    & skf18("6","3","4","2","2","7","1") = "6"
    & skf18("6","3","4","2","2","8","1") = "7"
    & skf18("6","3","4","2","2","9","1") = "8"
    & skf18("6","3","4","2","2","10","1") = "9"
    & skf18("6","3","4","2","3","1","1") = "5"
    & skf18("6","3","4","2","3","2","1") = "5"
    & skf18("6","3","4","2","3","3","1") = "5"
    & skf18("6","3","4","2","3","4","1") = "5"
    & skf18("6","3","4","2","3","5","1") = "5"
    & skf18("6","3","4","2","3","6","1") = "5"
    & skf18("6","3","4","2","3","7","1") = "6"
    & skf18("6","3","4","2","3","8","1") = "7"
    & skf18("6","3","4","2","3","9","1") = "8"
    & skf18("6","3","4","2","3","10","1") = "9"
    & skf18("6","3","4","2","4","1","1") = "5"
    & skf18("6","3","4","2","4","2","1") = "5"
    & skf18("6","3","4","2","4","3","1") = "5"
    & skf18("6","3","4","2","4","4","1") = "5"
    & skf18("6","3","4","2","4","5","1") = "5"
    & skf18("6","3","4","2","4","6","1") = "5"
    & skf18("6","3","4","2","4","7","1") = "6"
    & skf18("6","3","4","2","4","8","1") = "7"
    & skf18("6","3","4","2","4","9","1") = "8"
    & skf18("6","3","4","2","4","10","1") = "9"
    & skf18("6","3","4","2","5","1","1") = "5"
    & skf18("6","3","4","2","5","2","1") = "5"
    & skf18("6","3","4","2","5","3","1") = "5"
    & skf18("6","3","4","2","5","4","1") = "5"
    & skf18("6","3","4","2","5","5","1") = "5"
    & skf18("6","3","4","2","5","6","1") = "5"
    & skf18("6","3","4","2","5","7","1") = "6"
    & skf18("6","3","4","2","5","8","1") = "7"
    & skf18("6","3","4","2","5","9","1") = "8"
    & skf18("6","3","4","2","5","10","1") = "9"
    & skf18("6","3","4","2","6","1","1") = "5"
    & skf18("6","3","4","2","6","2","1") = "5"
    & skf18("6","3","4","2","6","3","1") = "5"
    & skf18("6","3","4","2","6","4","1") = "5"
    & skf18("6","3","4","2","6","5","1") = "5"
    & skf18("6","3","4","2","6","6","1") = "5"
    & skf18("6","3","4","2","6","7","1") = "6"
    & skf18("6","3","4","2","6","8","1") = "7"
    & skf18("6","3","4","2","6","9","1") = "8"
    & skf18("6","3","4","2","6","10","1") = "9"
    & skf18("6","3","4","2","7","1","1") = "6"
    & skf18("6","3","4","2","7","2","1") = "6"
    & skf18("6","3","4","2","7","3","1") = "6"
    & skf18("6","3","4","2","7","4","1") = "6"
    & skf18("6","3","4","2","7","5","1") = "6"
    & skf18("6","3","4","2","7","6","1") = "6"
    & skf18("6","3","4","2","7","7","1") = "6"
    & skf18("6","3","4","2","7","8","1") = "7"
    & skf18("6","3","4","2","7","9","1") = "8"
    & skf18("6","3","4","2","7","10","1") = "9"
    & skf18("6","3","4","2","8","1","1") = "7"
    & skf18("6","3","4","2","8","2","1") = "7"
    & skf18("6","3","4","2","8","3","1") = "7"
    & skf18("6","3","4","2","8","4","1") = "7"
    & skf18("6","3","4","2","8","5","1") = "7"
    & skf18("6","3","4","2","8","6","1") = "7"
    & skf18("6","3","4","2","8","7","1") = "7"
    & skf18("6","3","4","2","8","8","1") = "7"
    & skf18("6","3","4","2","8","9","1") = "8"
    & skf18("6","3","4","2","8","10","1") = "9"
    & skf18("6","3","4","2","9","1","1") = "8"
    & skf18("6","3","4","2","9","2","1") = "8"
    & skf18("6","3","4","2","9","3","1") = "8"
    & skf18("6","3","4","2","9","4","1") = "8"
    & skf18("6","3","4","2","9","5","1") = "8"
    & skf18("6","3","4","2","9","6","1") = "8"
    & skf18("6","3","4","2","9","7","1") = "8"
    & skf18("6","3","4","2","9","8","1") = "8"
    & skf18("6","3","4","2","9","9","1") = "8"
    & skf18("6","3","4","2","9","10","1") = "9"
    & skf18("6","3","4","2","10","1","1") = "9"
    & skf18("6","3","4","2","10","2","1") = "9"
    & skf18("6","3","4","2","10","3","1") = "9"
    & skf18("6","3","4","2","10","4","1") = "9"
    & skf18("6","3","4","2","10","5","1") = "9"
    & skf18("6","3","4","2","10","6","1") = "9"
    & skf18("6","3","4","2","10","7","1") = "9"
    & skf18("6","3","4","2","10","8","1") = "9"
    & skf18("6","3","4","2","10","9","1") = "9"
    & skf18("6","3","4","2","10","10","1") = "9"
    & skf18("6","3","4","3","1","1","1") = "5"
    & skf18("6","3","4","3","1","2","1") = "5"
    & skf18("6","3","4","3","1","3","1") = "5"
    & skf18("6","3","4","3","1","4","1") = "5"
    & skf18("6","3","4","3","1","5","1") = "5"
    & skf18("6","3","4","3","1","6","1") = "5"
    & skf18("6","3","4","3","1","7","1") = "6"
    & skf18("6","3","4","3","1","8","1") = "7"
    & skf18("6","3","4","3","1","9","1") = "8"
    & skf18("6","3","4","3","1","10","1") = "9"
    & skf18("6","3","4","3","2","1","1") = "5"
    & skf18("6","3","4","3","2","2","1") = "5"
    & skf18("6","3","4","3","2","3","1") = "5"
    & skf18("6","3","4","3","2","4","1") = "5"
    & skf18("6","3","4","3","2","5","1") = "5"
    & skf18("6","3","4","3","2","6","1") = "5"
    & skf18("6","3","4","3","2","7","1") = "6"
    & skf18("6","3","4","3","2","8","1") = "7"
    & skf18("6","3","4","3","2","9","1") = "8"
    & skf18("6","3","4","3","2","10","1") = "9"
    & skf18("6","3","4","3","3","1","1") = "5"
    & skf18("6","3","4","3","3","2","1") = "5"
    & skf18("6","3","4","3","3","3","1") = "5"
    & skf18("6","3","4","3","3","4","1") = "5"
    & skf18("6","3","4","3","3","5","1") = "5"
    & skf18("6","3","4","3","3","6","1") = "5"
    & skf18("6","3","4","3","3","7","1") = "6"
    & skf18("6","3","4","3","3","8","1") = "7"
    & skf18("6","3","4","3","3","9","1") = "8"
    & skf18("6","3","4","3","3","10","1") = "9"
    & skf18("6","3","4","3","4","1","1") = "5"
    & skf18("6","3","4","3","4","2","1") = "5"
    & skf18("6","3","4","3","4","3","1") = "5"
    & skf18("6","3","4","3","4","4","1") = "5"
    & skf18("6","3","4","3","4","5","1") = "5"
    & skf18("6","3","4","3","4","6","1") = "5"
    & skf18("6","3","4","3","4","7","1") = "6"
    & skf18("6","3","4","3","4","8","1") = "7"
    & skf18("6","3","4","3","4","9","1") = "8"
    & skf18("6","3","4","3","4","10","1") = "9"
    & skf18("6","3","4","3","5","1","1") = "5"
    & skf18("6","3","4","3","5","2","1") = "5"
    & skf18("6","3","4","3","5","3","1") = "5"
    & skf18("6","3","4","3","5","4","1") = "5"
    & skf18("6","3","4","3","5","5","1") = "5"
    & skf18("6","3","4","3","5","6","1") = "5"
    & skf18("6","3","4","3","5","7","1") = "6"
    & skf18("6","3","4","3","5","8","1") = "7"
    & skf18("6","3","4","3","5","9","1") = "8"
    & skf18("6","3","4","3","5","10","1") = "9"
    & skf18("6","3","4","3","6","1","1") = "5"
    & skf18("6","3","4","3","6","2","1") = "5"
    & skf18("6","3","4","3","6","3","1") = "5"
    & skf18("6","3","4","3","6","4","1") = "5"
    & skf18("6","3","4","3","6","5","1") = "5"
    & skf18("6","3","4","3","6","6","1") = "5"
    & skf18("6","3","4","3","6","7","1") = "6"
    & skf18("6","3","4","3","6","8","1") = "7"
    & skf18("6","3","4","3","6","9","1") = "8"
    & skf18("6","3","4","3","6","10","1") = "9"
    & skf18("6","3","4","3","7","1","1") = "6"
    & skf18("6","3","4","3","7","2","1") = "6"
    & skf18("6","3","4","3","7","3","1") = "6"
    & skf18("6","3","4","3","7","4","1") = "6"
    & skf18("6","3","4","3","7","5","1") = "6"
    & skf18("6","3","4","3","7","6","1") = "6"
    & skf18("6","3","4","3","7","7","1") = "6"
    & skf18("6","3","4","3","7","8","1") = "7"
    & skf18("6","3","4","3","7","9","1") = "8"
    & skf18("6","3","4","3","7","10","1") = "9"
    & skf18("6","3","4","3","8","1","1") = "7"
    & skf18("6","3","4","3","8","2","1") = "7"
    & skf18("6","3","4","3","8","3","1") = "7"
    & skf18("6","3","4","3","8","4","1") = "7"
    & skf18("6","3","4","3","8","5","1") = "7"
    & skf18("6","3","4","3","8","6","1") = "7"
    & skf18("6","3","4","3","8","7","1") = "7"
    & skf18("6","3","4","3","8","8","1") = "7"
    & skf18("6","3","4","3","8","9","1") = "8"
    & skf18("6","3","4","3","8","10","1") = "9"
    & skf18("6","3","4","3","9","1","1") = "8"
    & skf18("6","3","4","3","9","2","1") = "8"
    & skf18("6","3","4","3","9","3","1") = "8"
    & skf18("6","3","4","3","9","4","1") = "8"
    & skf18("6","3","4","3","9","5","1") = "8"
    & skf18("6","3","4","3","9","6","1") = "8"
    & skf18("6","3","4","3","9","7","1") = "8"
    & skf18("6","3","4","3","9","8","1") = "8"
    & skf18("6","3","4","3","9","9","1") = "8"
    & skf18("6","3","4","3","9","10","1") = "9"
    & skf18("6","3","4","3","10","1","1") = "9"
    & skf18("6","3","4","3","10","2","1") = "9"
    & skf18("6","3","4","3","10","3","1") = "9"
    & skf18("6","3","4","3","10","4","1") = "9"
    & skf18("6","3","4","3","10","5","1") = "9"
    & skf18("6","3","4","3","10","6","1") = "9"
    & skf18("6","3","4","3","10","7","1") = "9"
    & skf18("6","3","4","3","10","8","1") = "9"
    & skf18("6","3","4","3","10","9","1") = "9"
    & skf18("6","3","4","3","10","10","1") = "9"
    & skf18("6","3","4","4","1","1","1") = "5"
    & skf18("6","3","4","4","1","2","1") = "5"
    & skf18("6","3","4","4","1","3","1") = "5"
    & skf18("6","3","4","4","1","4","1") = "5"
    & skf18("6","3","4","4","1","5","1") = "5"
    & skf18("6","3","4","4","1","6","1") = "5"
    & skf18("6","3","4","4","1","7","1") = "6"
    & skf18("6","3","4","4","1","8","1") = "7"
    & skf18("6","3","4","4","1","9","1") = "8"
    & skf18("6","3","4","4","1","10","1") = "9"
    & skf18("6","3","4","4","2","1","1") = "5"
    & skf18("6","3","4","4","2","2","1") = "5"
    & skf18("6","3","4","4","2","3","1") = "5"
    & skf18("6","3","4","4","2","4","1") = "5"
    & skf18("6","3","4","4","2","5","1") = "5"
    & skf18("6","3","4","4","2","6","1") = "5"
    & skf18("6","3","4","4","2","7","1") = "6"
    & skf18("6","3","4","4","2","8","1") = "7"
    & skf18("6","3","4","4","2","9","1") = "8"
    & skf18("6","3","4","4","2","10","1") = "9"
    & skf18("6","3","4","4","3","1","1") = "5"
    & skf18("6","3","4","4","3","2","1") = "5"
    & skf18("6","3","4","4","3","3","1") = "5"
    & skf18("6","3","4","4","3","4","1") = "5"
    & skf18("6","3","4","4","3","5","1") = "5"
    & skf18("6","3","4","4","3","6","1") = "5"
    & skf18("6","3","4","4","3","7","1") = "6"
    & skf18("6","3","4","4","3","8","1") = "7"
    & skf18("6","3","4","4","3","9","1") = "8"
    & skf18("6","3","4","4","3","10","1") = "9"
    & skf18("6","3","4","4","4","1","1") = "5"
    & skf18("6","3","4","4","4","2","1") = "5"
    & skf18("6","3","4","4","4","3","1") = "5"
    & skf18("6","3","4","4","4","4","1") = "5"
    & skf18("6","3","4","4","4","5","1") = "5"
    & skf18("6","3","4","4","4","6","1") = "5"
    & skf18("6","3","4","4","4","7","1") = "6"
    & skf18("6","3","4","4","4","8","1") = "7"
    & skf18("6","3","4","4","4","9","1") = "8"
    & skf18("6","3","4","4","4","10","1") = "9"
    & skf18("6","3","4","4","5","1","1") = "5"
    & skf18("6","3","4","4","5","2","1") = "5"
    & skf18("6","3","4","4","5","3","1") = "5"
    & skf18("6","3","4","4","5","4","1") = "5"
    & skf18("6","3","4","4","5","5","1") = "5"
    & skf18("6","3","4","4","5","6","1") = "5"
    & skf18("6","3","4","4","5","7","1") = "6"
    & skf18("6","3","4","4","5","8","1") = "7"
    & skf18("6","3","4","4","5","9","1") = "8"
    & skf18("6","3","4","4","5","10","1") = "9"
    & skf18("6","3","4","4","6","1","1") = "5"
    & skf18("6","3","4","4","6","2","1") = "5"
    & skf18("6","3","4","4","6","3","1") = "5"
    & skf18("6","3","4","4","6","4","1") = "5"
    & skf18("6","3","4","4","6","5","1") = "5"
    & skf18("6","3","4","4","6","6","1") = "5"
    & skf18("6","3","4","4","6","7","1") = "6"
    & skf18("6","3","4","4","6","8","1") = "7"
    & skf18("6","3","4","4","6","9","1") = "8"
    & skf18("6","3","4","4","6","10","1") = "9"
    & skf18("6","3","4","4","7","1","1") = "6"
    & skf18("6","3","4","4","7","2","1") = "6"
    & skf18("6","3","4","4","7","3","1") = "6"
    & skf18("6","3","4","4","7","4","1") = "6"
    & skf18("6","3","4","4","7","5","1") = "6"
    & skf18("6","3","4","4","7","6","1") = "6"
    & skf18("6","3","4","4","7","7","1") = "6"
    & skf18("6","3","4","4","7","8","1") = "7"
    & skf18("6","3","4","4","7","9","1") = "8"
    & skf18("6","3","4","4","7","10","1") = "9"
    & skf18("6","3","4","4","8","1","1") = "7"
    & skf18("6","3","4","4","8","2","1") = "7"
    & skf18("6","3","4","4","8","3","1") = "7"
    & skf18("6","3","4","4","8","4","1") = "7"
    & skf18("6","3","4","4","8","5","1") = "7"
    & skf18("6","3","4","4","8","6","1") = "7"
    & skf18("6","3","4","4","8","7","1") = "7"
    & skf18("6","3","4","4","8","8","1") = "7"
    & skf18("6","3","4","4","8","9","1") = "8"
    & skf18("6","3","4","4","8","10","1") = "9"
    & skf18("6","3","4","4","9","1","1") = "8"
    & skf18("6","3","4","4","9","2","1") = "8"
    & skf18("6","3","4","4","9","3","1") = "8"
    & skf18("6","3","4","4","9","4","1") = "8"
    & skf18("6","3","4","4","9","5","1") = "8"
    & skf18("6","3","4","4","9","6","1") = "8"
    & skf18("6","3","4","4","9","7","1") = "8"
    & skf18("6","3","4","4","9","8","1") = "8"
    & skf18("6","3","4","4","9","9","1") = "8"
    & skf18("6","3","4","4","9","10","1") = "9"
    & skf18("6","3","4","4","10","1","1") = "9"
    & skf18("6","3","4","4","10","2","1") = "9"
    & skf18("6","3","4","4","10","3","1") = "9"
    & skf18("6","3","4","4","10","4","1") = "9"
    & skf18("6","3","4","4","10","5","1") = "9"
    & skf18("6","3","4","4","10","6","1") = "9"
    & skf18("6","3","4","4","10","7","1") = "9"
    & skf18("6","3","4","4","10","8","1") = "9"
    & skf18("6","3","4","4","10","9","1") = "9"
    & skf18("6","3","4","4","10","10","1") = "9"
    & skf18("6","3","4","5","1","1","1") = "5"
    & skf18("6","3","4","5","1","2","1") = "5"
    & skf18("6","3","4","5","1","3","1") = "5"
    & skf18("6","3","4","5","1","4","1") = "5"
    & skf18("6","3","4","5","1","5","1") = "5"
    & skf18("6","3","4","5","1","6","1") = "5"
    & skf18("6","3","4","5","1","7","1") = "6"
    & skf18("6","3","4","5","1","8","1") = "7"
    & skf18("6","3","4","5","1","9","1") = "8"
    & skf18("6","3","4","5","1","10","1") = "9"
    & skf18("6","3","4","5","2","1","1") = "5"
    & skf18("6","3","4","5","2","2","1") = "5"
    & skf18("6","3","4","5","2","3","1") = "5"
    & skf18("6","3","4","5","2","4","1") = "5"
    & skf18("6","3","4","5","2","5","1") = "5"
    & skf18("6","3","4","5","2","6","1") = "5"
    & skf18("6","3","4","5","2","7","1") = "6"
    & skf18("6","3","4","5","2","8","1") = "7"
    & skf18("6","3","4","5","2","9","1") = "8"
    & skf18("6","3","4","5","2","10","1") = "9"
    & skf18("6","3","4","5","3","1","1") = "5"
    & skf18("6","3","4","5","3","2","1") = "5"
    & skf18("6","3","4","5","3","3","1") = "5"
    & skf18("6","3","4","5","3","4","1") = "5"
    & skf18("6","3","4","5","3","5","1") = "5"
    & skf18("6","3","4","5","3","6","1") = "5"
    & skf18("6","3","4","5","3","7","1") = "6"
    & skf18("6","3","4","5","3","8","1") = "7"
    & skf18("6","3","4","5","3","9","1") = "8"
    & skf18("6","3","4","5","3","10","1") = "9"
    & skf18("6","3","4","5","4","1","1") = "5"
    & skf18("6","3","4","5","4","2","1") = "5"
    & skf18("6","3","4","5","4","3","1") = "5"
    & skf18("6","3","4","5","4","4","1") = "5"
    & skf18("6","3","4","5","4","5","1") = "5"
    & skf18("6","3","4","5","4","6","1") = "5"
    & skf18("6","3","4","5","4","7","1") = "6"
    & skf18("6","3","4","5","4","8","1") = "7"
    & skf18("6","3","4","5","4","9","1") = "8"
    & skf18("6","3","4","5","4","10","1") = "9"
    & skf18("6","3","4","5","5","1","1") = "5"
    & skf18("6","3","4","5","5","2","1") = "5"
    & skf18("6","3","4","5","5","3","1") = "5"
    & skf18("6","3","4","5","5","4","1") = "5"
    & skf18("6","3","4","5","5","5","1") = "5"
    & skf18("6","3","4","5","5","6","1") = "5"
    & skf18("6","3","4","5","5","7","1") = "6"
    & skf18("6","3","4","5","5","8","1") = "7"
    & skf18("6","3","4","5","5","9","1") = "8"
    & skf18("6","3","4","5","5","10","1") = "9"
    & skf18("6","3","4","5","6","1","1") = "5"
    & skf18("6","3","4","5","6","2","1") = "5"
    & skf18("6","3","4","5","6","3","1") = "5"
    & skf18("6","3","4","5","6","4","1") = "5"
    & skf18("6","3","4","5","6","5","1") = "5"
    & skf18("6","3","4","5","6","6","1") = "5"
    & skf18("6","3","4","5","6","7","1") = "6"
    & skf18("6","3","4","5","6","8","1") = "7"
    & skf18("6","3","4","5","6","9","1") = "8"
    & skf18("6","3","4","5","6","10","1") = "9"
    & skf18("6","3","4","5","7","1","1") = "6"
    & skf18("6","3","4","5","7","2","1") = "6"
    & skf18("6","3","4","5","7","3","1") = "6"
    & skf18("6","3","4","5","7","4","1") = "6"
    & skf18("6","3","4","5","7","5","1") = "6"
    & skf18("6","3","4","5","7","6","1") = "6"
    & skf18("6","3","4","5","7","7","1") = "6"
    & skf18("6","3","4","5","7","8","1") = "7"
    & skf18("6","3","4","5","7","9","1") = "8"
    & skf18("6","3","4","5","7","10","1") = "9"
    & skf18("6","3","4","5","8","1","1") = "7"
    & skf18("6","3","4","5","8","2","1") = "7"
    & skf18("6","3","4","5","8","3","1") = "7"
    & skf18("6","3","4","5","8","4","1") = "7"
    & skf18("6","3","4","5","8","5","1") = "7"
    & skf18("6","3","4","5","8","6","1") = "7"
    & skf18("6","3","4","5","8","7","1") = "7"
    & skf18("6","3","4","5","8","8","1") = "7"
    & skf18("6","3","4","5","8","9","1") = "8"
    & skf18("6","3","4","5","8","10","1") = "9"
    & skf18("6","3","4","5","9","1","1") = "8"
    & skf18("6","3","4","5","9","2","1") = "8"
    & skf18("6","3","4","5","9","3","1") = "8"
    & skf18("6","3","4","5","9","4","1") = "8"
    & skf18("6","3","4","5","9","5","1") = "8"
    & skf18("6","3","4","5","9","6","1") = "8"
    & skf18("6","3","4","5","9","7","1") = "8"
    & skf18("6","3","4","5","9","8","1") = "8"
    & skf18("6","3","4","5","9","9","1") = "8"
    & skf18("6","3","4","5","9","10","1") = "9"
    & skf18("6","3","4","5","10","1","1") = "9"
    & skf18("6","3","4","5","10","2","1") = "9"
    & skf18("6","3","4","5","10","3","1") = "9"
    & skf18("6","3","4","5","10","4","1") = "9"
    & skf18("6","3","4","5","10","5","1") = "9"
    & skf18("6","3","4","5","10","6","1") = "9"
    & skf18("6","3","4","5","10","7","1") = "9"
    & skf18("6","3","4","5","10","8","1") = "9"
    & skf18("6","3","4","5","10","9","1") = "9"
    & skf18("6","3","4","5","10","10","1") = "9"
    & skf18("6","3","4","6","1","1","1") = "5"
    & skf18("6","3","4","6","1","2","1") = "5"
    & skf18("6","3","4","6","1","3","1") = "5"
    & skf18("6","3","4","6","1","4","1") = "5"
    & skf18("6","3","4","6","1","5","1") = "5"
    & skf18("6","3","4","6","1","6","1") = "5"
    & skf18("6","3","4","6","1","7","1") = "6"
    & skf18("6","3","4","6","1","8","1") = "7"
    & skf18("6","3","4","6","1","9","1") = "8"
    & skf18("6","3","4","6","1","10","1") = "9"
    & skf18("6","3","4","6","2","1","1") = "5"
    & skf18("6","3","4","6","2","2","1") = "5"
    & skf18("6","3","4","6","2","3","1") = "5"
    & skf18("6","3","4","6","2","4","1") = "5"
    & skf18("6","3","4","6","2","5","1") = "5"
    & skf18("6","3","4","6","2","6","1") = "5"
    & skf18("6","3","4","6","2","7","1") = "6"
    & skf18("6","3","4","6","2","8","1") = "7"
    & skf18("6","3","4","6","2","9","1") = "8"
    & skf18("6","3","4","6","2","10","1") = "9"
    & skf18("6","3","4","6","3","1","1") = "5"
    & skf18("6","3","4","6","3","2","1") = "5"
    & skf18("6","3","4","6","3","3","1") = "5"
    & skf18("6","3","4","6","3","4","1") = "5"
    & skf18("6","3","4","6","3","5","1") = "5"
    & skf18("6","3","4","6","3","6","1") = "5"
    & skf18("6","3","4","6","3","7","1") = "6"
    & skf18("6","3","4","6","3","8","1") = "7"
    & skf18("6","3","4","6","3","9","1") = "8"
    & skf18("6","3","4","6","3","10","1") = "9"
    & skf18("6","3","4","6","4","1","1") = "5"
    & skf18("6","3","4","6","4","2","1") = "5"
    & skf18("6","3","4","6","4","3","1") = "5"
    & skf18("6","3","4","6","4","4","1") = "5"
    & skf18("6","3","4","6","4","5","1") = "5"
    & skf18("6","3","4","6","4","6","1") = "5"
    & skf18("6","3","4","6","4","7","1") = "6"
    & skf18("6","3","4","6","4","8","1") = "7"
    & skf18("6","3","4","6","4","9","1") = "8"
    & skf18("6","3","4","6","4","10","1") = "9"
    & skf18("6","3","4","6","5","1","1") = "5"
    & skf18("6","3","4","6","5","2","1") = "5"
    & skf18("6","3","4","6","5","3","1") = "5"
    & skf18("6","3","4","6","5","4","1") = "5"
    & skf18("6","3","4","6","5","5","1") = "5"
    & skf18("6","3","4","6","5","6","1") = "5"
    & skf18("6","3","4","6","5","7","1") = "6"
    & skf18("6","3","4","6","5","8","1") = "7"
    & skf18("6","3","4","6","5","9","1") = "8"
    & skf18("6","3","4","6","5","10","1") = "9"
    & skf18("6","3","4","6","6","1","1") = "5"
    & skf18("6","3","4","6","6","2","1") = "5"
    & skf18("6","3","4","6","6","3","1") = "5"
    & skf18("6","3","4","6","6","4","1") = "5"
    & skf18("6","3","4","6","6","5","1") = "5"
    & skf18("6","3","4","6","6","6","1") = "5"
    & skf18("6","3","4","6","6","7","1") = "6"
    & skf18("6","3","4","6","6","8","1") = "7"
    & skf18("6","3","4","6","6","9","1") = "8"
    & skf18("6","3","4","6","6","10","1") = "9"
    & skf18("6","3","4","6","7","1","1") = "6"
    & skf18("6","3","4","6","7","2","1") = "6"
    & skf18("6","3","4","6","7","3","1") = "6"
    & skf18("6","3","4","6","7","4","1") = "6"
    & skf18("6","3","4","6","7","5","1") = "6"
    & skf18("6","3","4","6","7","6","1") = "6"
    & skf18("6","3","4","6","7","7","1") = "6"
    & skf18("6","3","4","6","7","8","1") = "7"
    & skf18("6","3","4","6","7","9","1") = "8"
    & skf18("6","3","4","6","7","10","1") = "9"
    & skf18("6","3","4","6","8","1","1") = "7"
    & skf18("6","3","4","6","8","2","1") = "7"
    & skf18("6","3","4","6","8","3","1") = "7"
    & skf18("6","3","4","6","8","4","1") = "7"
    & skf18("6","3","4","6","8","5","1") = "7"
    & skf18("6","3","4","6","8","6","1") = "7"
    & skf18("6","3","4","6","8","7","1") = "7"
    & skf18("6","3","4","6","8","8","1") = "7"
    & skf18("6","3","4","6","8","9","1") = "8"
    & skf18("6","3","4","6","8","10","1") = "9"
    & skf18("6","3","4","6","9","1","1") = "8"
    & skf18("6","3","4","6","9","2","1") = "8"
    & skf18("6","3","4","6","9","3","1") = "8"
    & skf18("6","3","4","6","9","4","1") = "8"
    & skf18("6","3","4","6","9","5","1") = "8"
    & skf18("6","3","4","6","9","6","1") = "8"
    & skf18("6","3","4","6","9","7","1") = "8"
    & skf18("6","3","4","6","9","8","1") = "8"
    & skf18("6","3","4","6","9","9","1") = "8"
    & skf18("6","3","4","6","9","10","1") = "9"
    & skf18("6","3","4","6","10","1","1") = "9"
    & skf18("6","3","4","6","10","2","1") = "9"
    & skf18("6","3","4","6","10","3","1") = "9"
    & skf18("6","3","4","6","10","4","1") = "9"
    & skf18("6","3","4","6","10","5","1") = "9"
    & skf18("6","3","4","6","10","6","1") = "9"
    & skf18("6","3","4","6","10","7","1") = "9"
    & skf18("6","3","4","6","10","8","1") = "9"
    & skf18("6","3","4","6","10","9","1") = "9"
    & skf18("6","3","4","6","10","10","1") = "9"
    & skf18("6","3","4","7","1","1","1") = "6"
    & skf18("6","3","4","7","1","2","1") = "6"
    & skf18("6","3","4","7","1","3","1") = "6"
    & skf18("6","3","4","7","1","4","1") = "6"
    & skf18("6","3","4","7","1","5","1") = "6"
    & skf18("6","3","4","7","1","6","1") = "6"
    & skf18("6","3","4","7","1","7","1") = "6"
    & skf18("6","3","4","7","1","8","1") = "7"
    & skf18("6","3","4","7","1","9","1") = "8"
    & skf18("6","3","4","7","1","10","1") = "9"
    & skf18("6","3","4","7","2","1","1") = "6"
    & skf18("6","3","4","7","2","2","1") = "6"
    & skf18("6","3","4","7","2","3","1") = "6"
    & skf18("6","3","4","7","2","4","1") = "6"
    & skf18("6","3","4","7","2","5","1") = "6"
    & skf18("6","3","4","7","2","6","1") = "6"
    & skf18("6","3","4","7","2","7","1") = "6"
    & skf18("6","3","4","7","2","8","1") = "7"
    & skf18("6","3","4","7","2","9","1") = "8"
    & skf18("6","3","4","7","2","10","1") = "9"
    & skf18("6","3","4","7","3","1","1") = "6"
    & skf18("6","3","4","7","3","2","1") = "6"
    & skf18("6","3","4","7","3","3","1") = "6"
    & skf18("6","3","4","7","3","4","1") = "6"
    & skf18("6","3","4","7","3","5","1") = "6"
    & skf18("6","3","4","7","3","6","1") = "6"
    & skf18("6","3","4","7","3","7","1") = "6"
    & skf18("6","3","4","7","3","8","1") = "7"
    & skf18("6","3","4","7","3","9","1") = "8"
    & skf18("6","3","4","7","3","10","1") = "9"
    & skf18("6","3","4","7","4","1","1") = "6"
    & skf18("6","3","4","7","4","2","1") = "6"
    & skf18("6","3","4","7","4","3","1") = "6"
    & skf18("6","3","4","7","4","4","1") = "6"
    & skf18("6","3","4","7","4","5","1") = "6"
    & skf18("6","3","4","7","4","6","1") = "6"
    & skf18("6","3","4","7","4","7","1") = "6"
    & skf18("6","3","4","7","4","8","1") = "7"
    & skf18("6","3","4","7","4","9","1") = "8"
    & skf18("6","3","4","7","4","10","1") = "9"
    & skf18("6","3","4","7","5","1","1") = "6"
    & skf18("6","3","4","7","5","2","1") = "6"
    & skf18("6","3","4","7","5","3","1") = "6"
    & skf18("6","3","4","7","5","4","1") = "6"
    & skf18("6","3","4","7","5","5","1") = "6"
    & skf18("6","3","4","7","5","6","1") = "6"
    & skf18("6","3","4","7","5","7","1") = "6"
    & skf18("6","3","4","7","5","8","1") = "7"
    & skf18("6","3","4","7","5","9","1") = "8"
    & skf18("6","3","4","7","5","10","1") = "9"
    & skf18("6","3","4","7","6","1","1") = "6"
    & skf18("6","3","4","7","6","2","1") = "6"
    & skf18("6","3","4","7","6","3","1") = "6"
    & skf18("6","3","4","7","6","4","1") = "6"
    & skf18("6","3","4","7","6","5","1") = "6"
    & skf18("6","3","4","7","6","6","1") = "6"
    & skf18("6","3","4","7","6","7","1") = "6"
    & skf18("6","3","4","7","6","8","1") = "7"
    & skf18("6","3","4","7","6","9","1") = "8"
    & skf18("6","3","4","7","6","10","1") = "9"
    & skf18("6","3","4","7","7","1","1") = "6"
    & skf18("6","3","4","7","7","2","1") = "6"
    & skf18("6","3","4","7","7","3","1") = "6"
    & skf18("6","3","4","7","7","4","1") = "6"
    & skf18("6","3","4","7","7","5","1") = "6"
    & skf18("6","3","4","7","7","6","1") = "6"
    & skf18("6","3","4","7","7","7","1") = "6"
    & skf18("6","3","4","7","7","8","1") = "7"
    & skf18("6","3","4","7","7","9","1") = "8"
    & skf18("6","3","4","7","7","10","1") = "9"
    & skf18("6","3","4","7","8","1","1") = "7"
    & skf18("6","3","4","7","8","2","1") = "7"
    & skf18("6","3","4","7","8","3","1") = "7"
    & skf18("6","3","4","7","8","4","1") = "7"
    & skf18("6","3","4","7","8","5","1") = "7"
    & skf18("6","3","4","7","8","6","1") = "7"
    & skf18("6","3","4","7","8","7","1") = "7"
    & skf18("6","3","4","7","8","8","1") = "7"
    & skf18("6","3","4","7","8","9","1") = "8"
    & skf18("6","3","4","7","8","10","1") = "9"
    & skf18("6","3","4","7","9","1","1") = "8"
    & skf18("6","3","4","7","9","2","1") = "8"
    & skf18("6","3","4","7","9","3","1") = "8"
    & skf18("6","3","4","7","9","4","1") = "8"
    & skf18("6","3","4","7","9","5","1") = "8"
    & skf18("6","3","4","7","9","6","1") = "8"
    & skf18("6","3","4","7","9","7","1") = "8"
    & skf18("6","3","4","7","9","8","1") = "8"
    & skf18("6","3","4","7","9","9","1") = "8"
    & skf18("6","3","4","7","9","10","1") = "9"
    & skf18("6","3","4","7","10","1","1") = "9"
    & skf18("6","3","4","7","10","2","1") = "9"
    & skf18("6","3","4","7","10","3","1") = "9"
    & skf18("6","3","4","7","10","4","1") = "9"
    & skf18("6","3","4","7","10","5","1") = "9"
    & skf18("6","3","4","7","10","6","1") = "9"
    & skf18("6","3","4","7","10","7","1") = "9"
    & skf18("6","3","4","7","10","8","1") = "9"
    & skf18("6","3","4","7","10","9","1") = "9"
    & skf18("6","3","4","7","10","10","1") = "9"
    & skf18("6","3","4","8","1","1","1") = "7"
    & skf18("6","3","4","8","1","2","1") = "7"
    & skf18("6","3","4","8","1","3","1") = "7"
    & skf18("6","3","4","8","1","4","1") = "7"
    & skf18("6","3","4","8","1","5","1") = "7"
    & skf18("6","3","4","8","1","6","1") = "7"
    & skf18("6","3","4","8","1","7","1") = "7"
    & skf18("6","3","4","8","1","8","1") = "7"
    & skf18("6","3","4","8","1","9","1") = "8"
    & skf18("6","3","4","8","1","10","1") = "9"
    & skf18("6","3","4","8","2","1","1") = "7"
    & skf18("6","3","4","8","2","2","1") = "7"
    & skf18("6","3","4","8","2","3","1") = "7"
    & skf18("6","3","4","8","2","4","1") = "7"
    & skf18("6","3","4","8","2","5","1") = "7"
    & skf18("6","3","4","8","2","6","1") = "7"
    & skf18("6","3","4","8","2","7","1") = "7"
    & skf18("6","3","4","8","2","8","1") = "7"
    & skf18("6","3","4","8","2","9","1") = "8"
    & skf18("6","3","4","8","2","10","1") = "9"
    & skf18("6","3","4","8","3","1","1") = "7"
    & skf18("6","3","4","8","3","2","1") = "7"
    & skf18("6","3","4","8","3","3","1") = "7"
    & skf18("6","3","4","8","3","4","1") = "7"
    & skf18("6","3","4","8","3","5","1") = "7"
    & skf18("6","3","4","8","3","6","1") = "7"
    & skf18("6","3","4","8","3","7","1") = "7"
    & skf18("6","3","4","8","3","8","1") = "7"
    & skf18("6","3","4","8","3","9","1") = "8"
    & skf18("6","3","4","8","3","10","1") = "9"
    & skf18("6","3","4","8","4","1","1") = "7"
    & skf18("6","3","4","8","4","2","1") = "7"
    & skf18("6","3","4","8","4","3","1") = "7"
    & skf18("6","3","4","8","4","4","1") = "7"
    & skf18("6","3","4","8","4","5","1") = "7"
    & skf18("6","3","4","8","4","6","1") = "7"
    & skf18("6","3","4","8","4","7","1") = "7"
    & skf18("6","3","4","8","4","8","1") = "7"
    & skf18("6","3","4","8","4","9","1") = "8"
    & skf18("6","3","4","8","4","10","1") = "9"
    & skf18("6","3","4","8","5","1","1") = "7"
    & skf18("6","3","4","8","5","2","1") = "7"
    & skf18("6","3","4","8","5","3","1") = "7"
    & skf18("6","3","4","8","5","4","1") = "7"
    & skf18("6","3","4","8","5","5","1") = "7"
    & skf18("6","3","4","8","5","6","1") = "7"
    & skf18("6","3","4","8","5","7","1") = "7"
    & skf18("6","3","4","8","5","8","1") = "7"
    & skf18("6","3","4","8","5","9","1") = "8"
    & skf18("6","3","4","8","5","10","1") = "9"
    & skf18("6","3","4","8","6","1","1") = "7"
    & skf18("6","3","4","8","6","2","1") = "7"
    & skf18("6","3","4","8","6","3","1") = "7"
    & skf18("6","3","4","8","6","4","1") = "7"
    & skf18("6","3","4","8","6","5","1") = "7"
    & skf18("6","3","4","8","6","6","1") = "7"
    & skf18("6","3","4","8","6","7","1") = "7"
    & skf18("6","3","4","8","6","8","1") = "7"
    & skf18("6","3","4","8","6","9","1") = "8"
    & skf18("6","3","4","8","6","10","1") = "9"
    & skf18("6","3","4","8","7","1","1") = "7"
    & skf18("6","3","4","8","7","2","1") = "7"
    & skf18("6","3","4","8","7","3","1") = "7"
    & skf18("6","3","4","8","7","4","1") = "7"
    & skf18("6","3","4","8","7","5","1") = "7"
    & skf18("6","3","4","8","7","6","1") = "7"
    & skf18("6","3","4","8","7","7","1") = "7"
    & skf18("6","3","4","8","7","8","1") = "7"
    & skf18("6","3","4","8","7","9","1") = "8"
    & skf18("6","3","4","8","7","10","1") = "9"
    & skf18("6","3","4","8","8","1","1") = "7"
    & skf18("6","3","4","8","8","2","1") = "7"
    & skf18("6","3","4","8","8","3","1") = "7"
    & skf18("6","3","4","8","8","4","1") = "7"
    & skf18("6","3","4","8","8","5","1") = "7"
    & skf18("6","3","4","8","8","6","1") = "7"
    & skf18("6","3","4","8","8","7","1") = "7"
    & skf18("6","3","4","8","8","8","1") = "7"
    & skf18("6","3","4","8","8","9","1") = "8"
    & skf18("6","3","4","8","8","10","1") = "9"
    & skf18("6","3","4","8","9","1","1") = "8"
    & skf18("6","3","4","8","9","2","1") = "8"
    & skf18("6","3","4","8","9","3","1") = "8"
    & skf18("6","3","4","8","9","4","1") = "8"
    & skf18("6","3","4","8","9","5","1") = "8"
    & skf18("6","3","4","8","9","6","1") = "8"
    & skf18("6","3","4","8","9","7","1") = "8"
    & skf18("6","3","4","8","9","8","1") = "8"
    & skf18("6","3","4","8","9","9","1") = "8"
    & skf18("6","3","4","8","9","10","1") = "9"
    & skf18("6","3","4","8","10","1","1") = "9"
    & skf18("6","3","4","8","10","2","1") = "9"
    & skf18("6","3","4","8","10","3","1") = "9"
    & skf18("6","3","4","8","10","4","1") = "9"
    & skf18("6","3","4","8","10","5","1") = "9"
    & skf18("6","3","4","8","10","6","1") = "9"
    & skf18("6","3","4","8","10","7","1") = "9"
    & skf18("6","3","4","8","10","8","1") = "9"
    & skf18("6","3","4","8","10","9","1") = "9"
    & skf18("6","3","4","8","10","10","1") = "9"
    & skf18("6","3","4","9","1","1","1") = "8"
    & skf18("6","3","4","9","1","2","1") = "8"
    & skf18("6","3","4","9","1","3","1") = "8"
    & skf18("6","3","4","9","1","4","1") = "8"
    & skf18("6","3","4","9","1","5","1") = "8"
    & skf18("6","3","4","9","1","6","1") = "8"
    & skf18("6","3","4","9","1","7","1") = "8"
    & skf18("6","3","4","9","1","8","1") = "8"
    & skf18("6","3","4","9","1","9","1") = "8"
    & skf18("6","3","4","9","1","10","1") = "9"
    & skf18("6","3","4","9","2","1","1") = "8"
    & skf18("6","3","4","9","2","2","1") = "8"
    & skf18("6","3","4","9","2","3","1") = "8"
    & skf18("6","3","4","9","2","4","1") = "8"
    & skf18("6","3","4","9","2","5","1") = "8"
    & skf18("6","3","4","9","2","6","1") = "8"
    & skf18("6","3","4","9","2","7","1") = "8"
    & skf18("6","3","4","9","2","8","1") = "8"
    & skf18("6","3","4","9","2","9","1") = "8"
    & skf18("6","3","4","9","2","10","1") = "9"
    & skf18("6","3","4","9","3","1","1") = "8"
    & skf18("6","3","4","9","3","2","1") = "8"
    & skf18("6","3","4","9","3","3","1") = "8"
    & skf18("6","3","4","9","3","4","1") = "8"
    & skf18("6","3","4","9","3","5","1") = "8"
    & skf18("6","3","4","9","3","6","1") = "8"
    & skf18("6","3","4","9","3","7","1") = "8"
    & skf18("6","3","4","9","3","8","1") = "8"
    & skf18("6","3","4","9","3","9","1") = "8"
    & skf18("6","3","4","9","3","10","1") = "9"
    & skf18("6","3","4","9","4","1","1") = "8"
    & skf18("6","3","4","9","4","2","1") = "8"
    & skf18("6","3","4","9","4","3","1") = "8"
    & skf18("6","3","4","9","4","4","1") = "8"
    & skf18("6","3","4","9","4","5","1") = "8"
    & skf18("6","3","4","9","4","6","1") = "8"
    & skf18("6","3","4","9","4","7","1") = "8"
    & skf18("6","3","4","9","4","8","1") = "8"
    & skf18("6","3","4","9","4","9","1") = "8"
    & skf18("6","3","4","9","4","10","1") = "9"
    & skf18("6","3","4","9","5","1","1") = "8"
    & skf18("6","3","4","9","5","2","1") = "8"
    & skf18("6","3","4","9","5","3","1") = "8"
    & skf18("6","3","4","9","5","4","1") = "8"
    & skf18("6","3","4","9","5","5","1") = "8"
    & skf18("6","3","4","9","5","6","1") = "8"
    & skf18("6","3","4","9","5","7","1") = "8"
    & skf18("6","3","4","9","5","8","1") = "8"
    & skf18("6","3","4","9","5","9","1") = "8"
    & skf18("6","3","4","9","5","10","1") = "9"
    & skf18("6","3","4","9","6","1","1") = "8"
    & skf18("6","3","4","9","6","2","1") = "8"
    & skf18("6","3","4","9","6","3","1") = "8"
    & skf18("6","3","4","9","6","4","1") = "8"
    & skf18("6","3","4","9","6","5","1") = "8"
    & skf18("6","3","4","9","6","6","1") = "8"
    & skf18("6","3","4","9","6","7","1") = "8"
    & skf18("6","3","4","9","6","8","1") = "8"
    & skf18("6","3","4","9","6","9","1") = "8"
    & skf18("6","3","4","9","6","10","1") = "9"
    & skf18("6","3","4","9","7","1","1") = "8"
    & skf18("6","3","4","9","7","2","1") = "8"
    & skf18("6","3","4","9","7","3","1") = "8"
    & skf18("6","3","4","9","7","4","1") = "8"
    & skf18("6","3","4","9","7","5","1") = "8"
    & skf18("6","3","4","9","7","6","1") = "8"
    & skf18("6","3","4","9","7","7","1") = "8"
    & skf18("6","3","4","9","7","8","1") = "8"
    & skf18("6","3","4","9","7","9","1") = "8"
    & skf18("6","3","4","9","7","10","1") = "9"
    & skf18("6","3","4","9","8","1","1") = "8"
    & skf18("6","3","4","9","8","2","1") = "8"
    & skf18("6","3","4","9","8","3","1") = "8"
    & skf18("6","3","4","9","8","4","1") = "8"
    & skf18("6","3","4","9","8","5","1") = "8"
    & skf18("6","3","4","9","8","6","1") = "8"
    & skf18("6","3","4","9","8","7","1") = "8"
    & skf18("6","3","4","9","8","8","1") = "8"
    & skf18("6","3","4","9","8","9","1") = "8"
    & skf18("6","3","4","9","8","10","1") = "9"
    & skf18("6","3","4","9","9","1","1") = "8"
    & skf18("6","3","4","9","9","2","1") = "8"
    & skf18("6","3","4","9","9","3","1") = "8"
    & skf18("6","3","4","9","9","4","1") = "8"
    & skf18("6","3","4","9","9","5","1") = "8"
    & skf18("6","3","4","9","9","6","1") = "8"
    & skf18("6","3","4","9","9","7","1") = "8"
    & skf18("6","3","4","9","9","8","1") = "8"
    & skf18("6","3","4","9","9","9","1") = "8"
    & skf18("6","3","4","9","9","10","1") = "9"
    & skf18("6","3","4","9","10","1","1") = "9"
    & skf18("6","3","4","9","10","2","1") = "9"
    & skf18("6","3","4","9","10","3","1") = "9"
    & skf18("6","3","4","9","10","4","1") = "9"
    & skf18("6","3","4","9","10","5","1") = "9"
    & skf18("6","3","4","9","10","6","1") = "9"
    & skf18("6","3","4","9","10","7","1") = "9"
    & skf18("6","3","4","9","10","8","1") = "9"
    & skf18("6","3","4","9","10","9","1") = "9"
    & skf18("6","3","4","9","10","10","1") = "9"
    & skf18("6","3","4","10","1","1","1") = "9"
    & skf18("6","3","4","10","1","2","1") = "9"
    & skf18("6","3","4","10","1","3","1") = "9"
    & skf18("6","3","4","10","1","4","1") = "9"
    & skf18("6","3","4","10","1","5","1") = "9"
    & skf18("6","3","4","10","1","6","1") = "9"
    & skf18("6","3","4","10","1","7","1") = "9"
    & skf18("6","3","4","10","1","8","1") = "9"
    & skf18("6","3","4","10","1","9","1") = "9"
    & skf18("6","3","4","10","1","10","1") = "9"
    & skf18("6","3","4","10","2","1","1") = "9"
    & skf18("6","3","4","10","2","2","1") = "9"
    & skf18("6","3","4","10","2","3","1") = "9"
    & skf18("6","3","4","10","2","4","1") = "9"
    & skf18("6","3","4","10","2","5","1") = "9"
    & skf18("6","3","4","10","2","6","1") = "9"
    & skf18("6","3","4","10","2","7","1") = "9"
    & skf18("6","3","4","10","2","8","1") = "9"
    & skf18("6","3","4","10","2","9","1") = "9"
    & skf18("6","3","4","10","2","10","1") = "9"
    & skf18("6","3","4","10","3","1","1") = "9"
    & skf18("6","3","4","10","3","2","1") = "9"
    & skf18("6","3","4","10","3","3","1") = "9"
    & skf18("6","3","4","10","3","4","1") = "9"
    & skf18("6","3","4","10","3","5","1") = "9"
    & skf18("6","3","4","10","3","6","1") = "9"
    & skf18("6","3","4","10","3","7","1") = "9"
    & skf18("6","3","4","10","3","8","1") = "9"
    & skf18("6","3","4","10","3","9","1") = "9"
    & skf18("6","3","4","10","3","10","1") = "9"
    & skf18("6","3","4","10","4","1","1") = "9"
    & skf18("6","3","4","10","4","2","1") = "9"
    & skf18("6","3","4","10","4","3","1") = "9"
    & skf18("6","3","4","10","4","4","1") = "9"
    & skf18("6","3","4","10","4","5","1") = "9"
    & skf18("6","3","4","10","4","6","1") = "9"
    & skf18("6","3","4","10","4","7","1") = "9"
    & skf18("6","3","4","10","4","8","1") = "9"
    & skf18("6","3","4","10","4","9","1") = "9"
    & skf18("6","3","4","10","4","10","1") = "9"
    & skf18("6","3","4","10","5","1","1") = "9"
    & skf18("6","3","4","10","5","2","1") = "9"
    & skf18("6","3","4","10","5","3","1") = "9"
    & skf18("6","3","4","10","5","4","1") = "9"
    & skf18("6","3","4","10","5","5","1") = "9"
    & skf18("6","3","4","10","5","6","1") = "9"
    & skf18("6","3","4","10","5","7","1") = "9"
    & skf18("6","3","4","10","5","8","1") = "9"
    & skf18("6","3","4","10","5","9","1") = "9"
    & skf18("6","3","4","10","5","10","1") = "9"
    & skf18("6","3","4","10","6","1","1") = "9"
    & skf18("6","3","4","10","6","2","1") = "9"
    & skf18("6","3","4","10","6","3","1") = "9"
    & skf18("6","3","4","10","6","4","1") = "9"
    & skf18("6","3","4","10","6","5","1") = "9"
    & skf18("6","3","4","10","6","6","1") = "9"
    & skf18("6","3","4","10","6","7","1") = "9"
    & skf18("6","3","4","10","6","8","1") = "9"
    & skf18("6","3","4","10","6","9","1") = "9"
    & skf18("6","3","4","10","6","10","1") = "9"
    & skf18("6","3","4","10","7","1","1") = "9"
    & skf18("6","3","4","10","7","2","1") = "9"
    & skf18("6","3","4","10","7","3","1") = "9"
    & skf18("6","3","4","10","7","4","1") = "9"
    & skf18("6","3","4","10","7","5","1") = "9"
    & skf18("6","3","4","10","7","6","1") = "9"
    & skf18("6","3","4","10","7","7","1") = "9"
    & skf18("6","3","4","10","7","8","1") = "9"
    & skf18("6","3","4","10","7","9","1") = "9"
    & skf18("6","3","4","10","7","10","1") = "9"
    & skf18("6","3","4","10","8","1","1") = "9"
    & skf18("6","3","4","10","8","2","1") = "9"
    & skf18("6","3","4","10","8","3","1") = "9"
    & skf18("6","3","4","10","8","4","1") = "9"
    & skf18("6","3","4","10","8","5","1") = "9"
    & skf18("6","3","4","10","8","6","1") = "9"
    & skf18("6","3","4","10","8","7","1") = "9"
    & skf18("6","3","4","10","8","8","1") = "9"
    & skf18("6","3","4","10","8","9","1") = "9"
    & skf18("6","3","4","10","8","10","1") = "9"
    & skf18("6","3","4","10","9","1","1") = "9"
    & skf18("6","3","4","10","9","2","1") = "9"
    & skf18("6","3","4","10","9","3","1") = "9"
    & skf18("6","3","4","10","9","4","1") = "9"
    & skf18("6","3","4","10","9","5","1") = "9"
    & skf18("6","3","4","10","9","6","1") = "9"
    & skf18("6","3","4","10","9","7","1") = "9"
    & skf18("6","3","4","10","9","8","1") = "9"
    & skf18("6","3","4","10","9","9","1") = "9"
    & skf18("6","3","4","10","9","10","1") = "9"
    & skf18("6","3","4","10","10","1","1") = "9"
    & skf18("6","3","4","10","10","2","1") = "9"
    & skf18("6","3","4","10","10","3","1") = "9"
    & skf18("6","3","4","10","10","4","1") = "9"
    & skf18("6","3","4","10","10","5","1") = "9"
    & skf18("6","3","4","10","10","6","1") = "9"
    & skf18("6","3","4","10","10","7","1") = "9"
    & skf18("6","3","4","10","10","8","1") = "9"
    & skf18("6","3","4","10","10","9","1") = "9"
    & skf18("6","3","4","10","10","10","1") = "9"
    & skf18("6","3","5","1","1","1","1") = "5"
    & skf18("6","3","5","1","1","2","1") = "5"
    & skf18("6","3","5","1","1","3","1") = "5"
    & skf18("6","3","5","1","1","4","1") = "5"
    & skf18("6","3","5","1","1","5","1") = "5"
    & skf18("6","3","5","1","1","6","1") = "5"
    & skf18("6","3","5","1","1","7","1") = "6"
    & skf18("6","3","5","1","1","8","1") = "7"
    & skf18("6","3","5","1","1","9","1") = "8"
    & skf18("6","3","5","1","1","10","1") = "9"
    & skf18("6","3","5","1","2","1","1") = "5"
    & skf18("6","3","5","1","2","2","1") = "5"
    & skf18("6","3","5","1","2","3","1") = "5"
    & skf18("6","3","5","1","2","4","1") = "5"
    & skf18("6","3","5","1","2","5","1") = "5"
    & skf18("6","3","5","1","2","6","1") = "5"
    & skf18("6","3","5","1","2","7","1") = "6"
    & skf18("6","3","5","1","2","8","1") = "7"
    & skf18("6","3","5","1","2","9","1") = "8"
    & skf18("6","3","5","1","2","10","1") = "9"
    & skf18("6","3","5","1","3","1","1") = "5"
    & skf18("6","3","5","1","3","2","1") = "5"
    & skf18("6","3","5","1","3","3","1") = "5"
    & skf18("6","3","5","1","3","4","1") = "5"
    & skf18("6","3","5","1","3","5","1") = "5"
    & skf18("6","3","5","1","3","6","1") = "5"
    & skf18("6","3","5","1","3","7","1") = "6"
    & skf18("6","3","5","1","3","8","1") = "7"
    & skf18("6","3","5","1","3","9","1") = "8"
    & skf18("6","3","5","1","3","10","1") = "9"
    & skf18("6","3","5","1","4","1","1") = "5"
    & skf18("6","3","5","1","4","2","1") = "5"
    & skf18("6","3","5","1","4","3","1") = "5"
    & skf18("6","3","5","1","4","4","1") = "5"
    & skf18("6","3","5","1","4","5","1") = "5"
    & skf18("6","3","5","1","4","6","1") = "5"
    & skf18("6","3","5","1","4","7","1") = "6"
    & skf18("6","3","5","1","4","8","1") = "7"
    & skf18("6","3","5","1","4","9","1") = "8"
    & skf18("6","3","5","1","4","10","1") = "9"
    & skf18("6","3","5","1","5","1","1") = "5"
    & skf18("6","3","5","1","5","2","1") = "5"
    & skf18("6","3","5","1","5","3","1") = "5"
    & skf18("6","3","5","1","5","4","1") = "5"
    & skf18("6","3","5","1","5","5","1") = "5"
    & skf18("6","3","5","1","5","6","1") = "5"
    & skf18("6","3","5","1","5","7","1") = "6"
    & skf18("6","3","5","1","5","8","1") = "7"
    & skf18("6","3","5","1","5","9","1") = "8"
    & skf18("6","3","5","1","5","10","1") = "9"
    & skf18("6","3","5","1","6","1","1") = "5"
    & skf18("6","3","5","1","6","2","1") = "5"
    & skf18("6","3","5","1","6","3","1") = "5"
    & skf18("6","3","5","1","6","4","1") = "5"
    & skf18("6","3","5","1","6","5","1") = "5"
    & skf18("6","3","5","1","6","6","1") = "5"
    & skf18("6","3","5","1","6","7","1") = "6"
    & skf18("6","3","5","1","6","8","1") = "7"
    & skf18("6","3","5","1","6","9","1") = "8"
    & skf18("6","3","5","1","6","10","1") = "9"
    & skf18("6","3","5","1","7","1","1") = "6"
    & skf18("6","3","5","1","7","2","1") = "6"
    & skf18("6","3","5","1","7","3","1") = "6"
    & skf18("6","3","5","1","7","4","1") = "6"
    & skf18("6","3","5","1","7","5","1") = "6"
    & skf18("6","3","5","1","7","6","1") = "6"
    & skf18("6","3","5","1","7","7","1") = "6"
    & skf18("6","3","5","1","7","8","1") = "7"
    & skf18("6","3","5","1","7","9","1") = "8"
    & skf18("6","3","5","1","7","10","1") = "9"
    & skf18("6","3","5","1","8","1","1") = "7"
    & skf18("6","3","5","1","8","2","1") = "7"
    & skf18("6","3","5","1","8","3","1") = "7"
    & skf18("6","3","5","1","8","4","1") = "7"
    & skf18("6","3","5","1","8","5","1") = "7"
    & skf18("6","3","5","1","8","6","1") = "7"
    & skf18("6","3","5","1","8","7","1") = "7"
    & skf18("6","3","5","1","8","8","1") = "7"
    & skf18("6","3","5","1","8","9","1") = "8"
    & skf18("6","3","5","1","8","10","1") = "9"
    & skf18("6","3","5","1","9","1","1") = "8"
    & skf18("6","3","5","1","9","2","1") = "8"
    & skf18("6","3","5","1","9","3","1") = "8"
    & skf18("6","3","5","1","9","4","1") = "8"
    & skf18("6","3","5","1","9","5","1") = "8"
    & skf18("6","3","5","1","9","6","1") = "8"
    & skf18("6","3","5","1","9","7","1") = "8"
    & skf18("6","3","5","1","9","8","1") = "8"
    & skf18("6","3","5","1","9","9","1") = "8"
    & skf18("6","3","5","1","9","10","1") = "9"
    & skf18("6","3","5","1","10","1","1") = "9"
    & skf18("6","3","5","1","10","2","1") = "9"
    & skf18("6","3","5","1","10","3","1") = "9"
    & skf18("6","3","5","1","10","4","1") = "9"
    & skf18("6","3","5","1","10","5","1") = "9"
    & skf18("6","3","5","1","10","6","1") = "9"
    & skf18("6","3","5","1","10","7","1") = "9"
    & skf18("6","3","5","1","10","8","1") = "9"
    & skf18("6","3","5","1","10","9","1") = "9"
    & skf18("6","3","5","1","10","10","1") = "9"
    & skf18("6","3","5","2","1","1","1") = "5"
    & skf18("6","3","5","2","1","2","1") = "5"
    & skf18("6","3","5","2","1","3","1") = "5"
    & skf18("6","3","5","2","1","4","1") = "5"
    & skf18("6","3","5","2","1","5","1") = "5"
    & skf18("6","3","5","2","1","6","1") = "5"
    & skf18("6","3","5","2","1","7","1") = "6"
    & skf18("6","3","5","2","1","8","1") = "7"
    & skf18("6","3","5","2","1","9","1") = "8"
    & skf18("6","3","5","2","1","10","1") = "9"
    & skf18("6","3","5","2","2","1","1") = "5"
    & skf18("6","3","5","2","2","2","1") = "5"
    & skf18("6","3","5","2","2","3","1") = "5"
    & skf18("6","3","5","2","2","4","1") = "5"
    & skf18("6","3","5","2","2","5","1") = "5"
    & skf18("6","3","5","2","2","6","1") = "5"
    & skf18("6","3","5","2","2","7","1") = "6"
    & skf18("6","3","5","2","2","8","1") = "7"
    & skf18("6","3","5","2","2","9","1") = "8"
    & skf18("6","3","5","2","2","10","1") = "9"
    & skf18("6","3","5","2","3","1","1") = "5"
    & skf18("6","3","5","2","3","2","1") = "5"
    & skf18("6","3","5","2","3","3","1") = "5"
    & skf18("6","3","5","2","3","4","1") = "5"
    & skf18("6","3","5","2","3","5","1") = "5"
    & skf18("6","3","5","2","3","6","1") = "5"
    & skf18("6","3","5","2","3","7","1") = "6"
    & skf18("6","3","5","2","3","8","1") = "7"
    & skf18("6","3","5","2","3","9","1") = "8"
    & skf18("6","3","5","2","3","10","1") = "9"
    & skf18("6","3","5","2","4","1","1") = "5"
    & skf18("6","3","5","2","4","2","1") = "5"
    & skf18("6","3","5","2","4","3","1") = "5"
    & skf18("6","3","5","2","4","4","1") = "5"
    & skf18("6","3","5","2","4","5","1") = "5"
    & skf18("6","3","5","2","4","6","1") = "5"
    & skf18("6","3","5","2","4","7","1") = "6"
    & skf18("6","3","5","2","4","8","1") = "7"
    & skf18("6","3","5","2","4","9","1") = "8"
    & skf18("6","3","5","2","4","10","1") = "9"
    & skf18("6","3","5","2","5","1","1") = "5"
    & skf18("6","3","5","2","5","2","1") = "5"
    & skf18("6","3","5","2","5","3","1") = "5"
    & skf18("6","3","5","2","5","4","1") = "5"
    & skf18("6","3","5","2","5","5","1") = "5"
    & skf18("6","3","5","2","5","6","1") = "5"
    & skf18("6","3","5","2","5","7","1") = "6"
    & skf18("6","3","5","2","5","8","1") = "7"
    & skf18("6","3","5","2","5","9","1") = "8"
    & skf18("6","3","5","2","5","10","1") = "9"
    & skf18("6","3","5","2","6","1","1") = "5"
    & skf18("6","3","5","2","6","2","1") = "5"
    & skf18("6","3","5","2","6","3","1") = "5"
    & skf18("6","3","5","2","6","4","1") = "5"
    & skf18("6","3","5","2","6","5","1") = "5"
    & skf18("6","3","5","2","6","6","1") = "5"
    & skf18("6","3","5","2","6","7","1") = "6"
    & skf18("6","3","5","2","6","8","1") = "7"
    & skf18("6","3","5","2","6","9","1") = "8"
    & skf18("6","3","5","2","6","10","1") = "9"
    & skf18("6","3","5","2","7","1","1") = "6"
    & skf18("6","3","5","2","7","2","1") = "6"
    & skf18("6","3","5","2","7","3","1") = "6"
    & skf18("6","3","5","2","7","4","1") = "6"
    & skf18("6","3","5","2","7","5","1") = "6"
    & skf18("6","3","5","2","7","6","1") = "6"
    & skf18("6","3","5","2","7","7","1") = "6"
    & skf18("6","3","5","2","7","8","1") = "7"
    & skf18("6","3","5","2","7","9","1") = "8"
    & skf18("6","3","5","2","7","10","1") = "9"
    & skf18("6","3","5","2","8","1","1") = "7"
    & skf18("6","3","5","2","8","2","1") = "7"
    & skf18("6","3","5","2","8","3","1") = "7"
    & skf18("6","3","5","2","8","4","1") = "7"
    & skf18("6","3","5","2","8","5","1") = "7"
    & skf18("6","3","5","2","8","6","1") = "7"
    & skf18("6","3","5","2","8","7","1") = "7"
    & skf18("6","3","5","2","8","8","1") = "7"
    & skf18("6","3","5","2","8","9","1") = "8"
    & skf18("6","3","5","2","8","10","1") = "9"
    & skf18("6","3","5","2","9","1","1") = "8"
    & skf18("6","3","5","2","9","2","1") = "8"
    & skf18("6","3","5","2","9","3","1") = "8"
    & skf18("6","3","5","2","9","4","1") = "8"
    & skf18("6","3","5","2","9","5","1") = "8"
    & skf18("6","3","5","2","9","6","1") = "8"
    & skf18("6","3","5","2","9","7","1") = "8"
    & skf18("6","3","5","2","9","8","1") = "8"
    & skf18("6","3","5","2","9","9","1") = "8"
    & skf18("6","3","5","2","9","10","1") = "9"
    & skf18("6","3","5","2","10","1","1") = "9"
    & skf18("6","3","5","2","10","2","1") = "9"
    & skf18("6","3","5","2","10","3","1") = "9"
    & skf18("6","3","5","2","10","4","1") = "9"
    & skf18("6","3","5","2","10","5","1") = "9"
    & skf18("6","3","5","2","10","6","1") = "9"
    & skf18("6","3","5","2","10","7","1") = "9"
    & skf18("6","3","5","2","10","8","1") = "9"
    & skf18("6","3","5","2","10","9","1") = "9"
    & skf18("6","3","5","2","10","10","1") = "9"
    & skf18("6","3","5","3","1","1","1") = "5"
    & skf18("6","3","5","3","1","2","1") = "5"
    & skf18("6","3","5","3","1","3","1") = "5"
    & skf18("6","3","5","3","1","4","1") = "5"
    & skf18("6","3","5","3","1","5","1") = "5"
    & skf18("6","3","5","3","1","6","1") = "5"
    & skf18("6","3","5","3","1","7","1") = "6"
    & skf18("6","3","5","3","1","8","1") = "7"
    & skf18("6","3","5","3","1","9","1") = "8"
    & skf18("6","3","5","3","1","10","1") = "9"
    & skf18("6","3","5","3","2","1","1") = "5"
    & skf18("6","3","5","3","2","2","1") = "5"
    & skf18("6","3","5","3","2","3","1") = "5"
    & skf18("6","3","5","3","2","4","1") = "5"
    & skf18("6","3","5","3","2","5","1") = "5"
    & skf18("6","3","5","3","2","6","1") = "5"
    & skf18("6","3","5","3","2","7","1") = "6"
    & skf18("6","3","5","3","2","8","1") = "7"
    & skf18("6","3","5","3","2","9","1") = "8"
    & skf18("6","3","5","3","2","10","1") = "9"
    & skf18("6","3","5","3","3","1","1") = "5"
    & skf18("6","3","5","3","3","2","1") = "5"
    & skf18("6","3","5","3","3","3","1") = "5"
    & skf18("6","3","5","3","3","4","1") = "5"
    & skf18("6","3","5","3","3","5","1") = "5"
    & skf18("6","3","5","3","3","6","1") = "5"
    & skf18("6","3","5","3","3","7","1") = "6"
    & skf18("6","3","5","3","3","8","1") = "7"
    & skf18("6","3","5","3","3","9","1") = "8"
    & skf18("6","3","5","3","3","10","1") = "9"
    & skf18("6","3","5","3","4","1","1") = "5"
    & skf18("6","3","5","3","4","2","1") = "5"
    & skf18("6","3","5","3","4","3","1") = "5"
    & skf18("6","3","5","3","4","4","1") = "5"
    & skf18("6","3","5","3","4","5","1") = "5"
    & skf18("6","3","5","3","4","6","1") = "5"
    & skf18("6","3","5","3","4","7","1") = "6"
    & skf18("6","3","5","3","4","8","1") = "7"
    & skf18("6","3","5","3","4","9","1") = "8"
    & skf18("6","3","5","3","4","10","1") = "9"
    & skf18("6","3","5","3","5","1","1") = "5"
    & skf18("6","3","5","3","5","2","1") = "5"
    & skf18("6","3","5","3","5","3","1") = "5"
    & skf18("6","3","5","3","5","4","1") = "5"
    & skf18("6","3","5","3","5","5","1") = "5"
    & skf18("6","3","5","3","5","6","1") = "5"
    & skf18("6","3","5","3","5","7","1") = "6"
    & skf18("6","3","5","3","5","8","1") = "7"
    & skf18("6","3","5","3","5","9","1") = "8"
    & skf18("6","3","5","3","5","10","1") = "9"
    & skf18("6","3","5","3","6","1","1") = "5"
    & skf18("6","3","5","3","6","2","1") = "5"
    & skf18("6","3","5","3","6","3","1") = "5"
    & skf18("6","3","5","3","6","4","1") = "5"
    & skf18("6","3","5","3","6","5","1") = "5"
    & skf18("6","3","5","3","6","6","1") = "5"
    & skf18("6","3","5","3","6","7","1") = "6"
    & skf18("6","3","5","3","6","8","1") = "7"
    & skf18("6","3","5","3","6","9","1") = "8"
    & skf18("6","3","5","3","6","10","1") = "9"
    & skf18("6","3","5","3","7","1","1") = "6"
    & skf18("6","3","5","3","7","2","1") = "6"
    & skf18("6","3","5","3","7","3","1") = "6"
    & skf18("6","3","5","3","7","4","1") = "6"
    & skf18("6","3","5","3","7","5","1") = "6"
    & skf18("6","3","5","3","7","6","1") = "6"
    & skf18("6","3","5","3","7","7","1") = "6"
    & skf18("6","3","5","3","7","8","1") = "7"
    & skf18("6","3","5","3","7","9","1") = "8"
    & skf18("6","3","5","3","7","10","1") = "9"
    & skf18("6","3","5","3","8","1","1") = "7"
    & skf18("6","3","5","3","8","2","1") = "7"
    & skf18("6","3","5","3","8","3","1") = "7"
    & skf18("6","3","5","3","8","4","1") = "7"
    & skf18("6","3","5","3","8","5","1") = "7"
    & skf18("6","3","5","3","8","6","1") = "7"
    & skf18("6","3","5","3","8","7","1") = "7"
    & skf18("6","3","5","3","8","8","1") = "7"
    & skf18("6","3","5","3","8","9","1") = "8"
    & skf18("6","3","5","3","8","10","1") = "9"
    & skf18("6","3","5","3","9","1","1") = "8"
    & skf18("6","3","5","3","9","2","1") = "8"
    & skf18("6","3","5","3","9","3","1") = "8"
    & skf18("6","3","5","3","9","4","1") = "8"
    & skf18("6","3","5","3","9","5","1") = "8"
    & skf18("6","3","5","3","9","6","1") = "8"
    & skf18("6","3","5","3","9","7","1") = "8"
    & skf18("6","3","5","3","9","8","1") = "8"
    & skf18("6","3","5","3","9","9","1") = "8"
    & skf18("6","3","5","3","9","10","1") = "9"
    & skf18("6","3","5","3","10","1","1") = "9"
    & skf18("6","3","5","3","10","2","1") = "9"
    & skf18("6","3","5","3","10","3","1") = "9"
    & skf18("6","3","5","3","10","4","1") = "9"
    & skf18("6","3","5","3","10","5","1") = "9"
    & skf18("6","3","5","3","10","6","1") = "9"
    & skf18("6","3","5","3","10","7","1") = "9"
    & skf18("6","3","5","3","10","8","1") = "9"
    & skf18("6","3","5","3","10","9","1") = "9"
    & skf18("6","3","5","3","10","10","1") = "9"
    & skf18("6","3","5","4","1","1","1") = "5"
    & skf18("6","3","5","4","1","2","1") = "5"
    & skf18("6","3","5","4","1","3","1") = "5"
    & skf18("6","3","5","4","1","4","1") = "5"
    & skf18("6","3","5","4","1","5","1") = "5"
    & skf18("6","3","5","4","1","6","1") = "5"
    & skf18("6","3","5","4","1","7","1") = "6"
    & skf18("6","3","5","4","1","8","1") = "7"
    & skf18("6","3","5","4","1","9","1") = "8"
    & skf18("6","3","5","4","1","10","1") = "9"
    & skf18("6","3","5","4","2","1","1") = "5"
    & skf18("6","3","5","4","2","2","1") = "5"
    & skf18("6","3","5","4","2","3","1") = "5"
    & skf18("6","3","5","4","2","4","1") = "5"
    & skf18("6","3","5","4","2","5","1") = "5"
    & skf18("6","3","5","4","2","6","1") = "5"
    & skf18("6","3","5","4","2","7","1") = "6"
    & skf18("6","3","5","4","2","8","1") = "7"
    & skf18("6","3","5","4","2","9","1") = "8"
    & skf18("6","3","5","4","2","10","1") = "9"
    & skf18("6","3","5","4","3","1","1") = "5"
    & skf18("6","3","5","4","3","2","1") = "5"
    & skf18("6","3","5","4","3","3","1") = "5"
    & skf18("6","3","5","4","3","4","1") = "5"
    & skf18("6","3","5","4","3","5","1") = "5"
    & skf18("6","3","5","4","3","6","1") = "5"
    & skf18("6","3","5","4","3","7","1") = "6"
    & skf18("6","3","5","4","3","8","1") = "7"
    & skf18("6","3","5","4","3","9","1") = "8"
    & skf18("6","3","5","4","3","10","1") = "9"
    & skf18("6","3","5","4","4","1","1") = "5"
    & skf18("6","3","5","4","4","2","1") = "5"
    & skf18("6","3","5","4","4","3","1") = "5"
    & skf18("6","3","5","4","4","4","1") = "5"
    & skf18("6","3","5","4","4","5","1") = "5"
    & skf18("6","3","5","4","4","6","1") = "5"
    & skf18("6","3","5","4","4","7","1") = "6"
    & skf18("6","3","5","4","4","8","1") = "7"
    & skf18("6","3","5","4","4","9","1") = "8"
    & skf18("6","3","5","4","4","10","1") = "9"
    & skf18("6","3","5","4","5","1","1") = "5"
    & skf18("6","3","5","4","5","2","1") = "5"
    & skf18("6","3","5","4","5","3","1") = "5"
    & skf18("6","3","5","4","5","4","1") = "5"
    & skf18("6","3","5","4","5","5","1") = "5"
    & skf18("6","3","5","4","5","6","1") = "5"
    & skf18("6","3","5","4","5","7","1") = "6"
    & skf18("6","3","5","4","5","8","1") = "7"
    & skf18("6","3","5","4","5","9","1") = "8"
    & skf18("6","3","5","4","5","10","1") = "9"
    & skf18("6","3","5","4","6","1","1") = "5"
    & skf18("6","3","5","4","6","2","1") = "5"
    & skf18("6","3","5","4","6","3","1") = "5"
    & skf18("6","3","5","4","6","4","1") = "5"
    & skf18("6","3","5","4","6","5","1") = "5"
    & skf18("6","3","5","4","6","6","1") = "5"
    & skf18("6","3","5","4","6","7","1") = "6"
    & skf18("6","3","5","4","6","8","1") = "7"
    & skf18("6","3","5","4","6","9","1") = "8"
    & skf18("6","3","5","4","6","10","1") = "9"
    & skf18("6","3","5","4","7","1","1") = "6"
    & skf18("6","3","5","4","7","2","1") = "6"
    & skf18("6","3","5","4","7","3","1") = "6"
    & skf18("6","3","5","4","7","4","1") = "6"
    & skf18("6","3","5","4","7","5","1") = "6"
    & skf18("6","3","5","4","7","6","1") = "6"
    & skf18("6","3","5","4","7","7","1") = "6"
    & skf18("6","3","5","4","7","8","1") = "7"
    & skf18("6","3","5","4","7","9","1") = "8"
    & skf18("6","3","5","4","7","10","1") = "9"
    & skf18("6","3","5","4","8","1","1") = "7"
    & skf18("6","3","5","4","8","2","1") = "7"
    & skf18("6","3","5","4","8","3","1") = "7"
    & skf18("6","3","5","4","8","4","1") = "7"
    & skf18("6","3","5","4","8","5","1") = "7"
    & skf18("6","3","5","4","8","6","1") = "7"
    & skf18("6","3","5","4","8","7","1") = "7"
    & skf18("6","3","5","4","8","8","1") = "7"
    & skf18("6","3","5","4","8","9","1") = "8"
    & skf18("6","3","5","4","8","10","1") = "9"
    & skf18("6","3","5","4","9","1","1") = "8"
    & skf18("6","3","5","4","9","2","1") = "8"
    & skf18("6","3","5","4","9","3","1") = "8"
    & skf18("6","3","5","4","9","4","1") = "8"
    & skf18("6","3","5","4","9","5","1") = "8"
    & skf18("6","3","5","4","9","6","1") = "8"
    & skf18("6","3","5","4","9","7","1") = "8"
    & skf18("6","3","5","4","9","8","1") = "8"
    & skf18("6","3","5","4","9","9","1") = "8"
    & skf18("6","3","5","4","9","10","1") = "9"
    & skf18("6","3","5","4","10","1","1") = "9"
    & skf18("6","3","5","4","10","2","1") = "9"
    & skf18("6","3","5","4","10","3","1") = "9"
    & skf18("6","3","5","4","10","4","1") = "9"
    & skf18("6","3","5","4","10","5","1") = "9"
    & skf18("6","3","5","4","10","6","1") = "9"
    & skf18("6","3","5","4","10","7","1") = "9"
    & skf18("6","3","5","4","10","8","1") = "9"
    & skf18("6","3","5","4","10","9","1") = "9"
    & skf18("6","3","5","4","10","10","1") = "9"
    & skf18("6","3","5","5","1","1","1") = "5"
    & skf18("6","3","5","5","1","2","1") = "5"
    & skf18("6","3","5","5","1","3","1") = "5"
    & skf18("6","3","5","5","1","4","1") = "5"
    & skf18("6","3","5","5","1","5","1") = "5"
    & skf18("6","3","5","5","1","6","1") = "5"
    & skf18("6","3","5","5","1","7","1") = "6"
    & skf18("6","3","5","5","1","8","1") = "7"
    & skf18("6","3","5","5","1","9","1") = "8"
    & skf18("6","3","5","5","1","10","1") = "9"
    & skf18("6","3","5","5","2","1","1") = "5"
    & skf18("6","3","5","5","2","2","1") = "5"
    & skf18("6","3","5","5","2","3","1") = "5"
    & skf18("6","3","5","5","2","4","1") = "5"
    & skf18("6","3","5","5","2","5","1") = "5"
    & skf18("6","3","5","5","2","6","1") = "5"
    & skf18("6","3","5","5","2","7","1") = "6"
    & skf18("6","3","5","5","2","8","1") = "7"
    & skf18("6","3","5","5","2","9","1") = "8"
    & skf18("6","3","5","5","2","10","1") = "9"
    & skf18("6","3","5","5","3","1","1") = "5"
    & skf18("6","3","5","5","3","2","1") = "5"
    & skf18("6","3","5","5","3","3","1") = "5"
    & skf18("6","3","5","5","3","4","1") = "5"
    & skf18("6","3","5","5","3","5","1") = "5"
    & skf18("6","3","5","5","3","6","1") = "5"
    & skf18("6","3","5","5","3","7","1") = "6"
    & skf18("6","3","5","5","3","8","1") = "7"
    & skf18("6","3","5","5","3","9","1") = "8"
    & skf18("6","3","5","5","3","10","1") = "9"
    & skf18("6","3","5","5","4","1","1") = "5"
    & skf18("6","3","5","5","4","2","1") = "5"
    & skf18("6","3","5","5","4","3","1") = "5"
    & skf18("6","3","5","5","4","4","1") = "5"
    & skf18("6","3","5","5","4","5","1") = "5"
    & skf18("6","3","5","5","4","6","1") = "5"
    & skf18("6","3","5","5","4","7","1") = "6"
    & skf18("6","3","5","5","4","8","1") = "7"
    & skf18("6","3","5","5","4","9","1") = "8"
    & skf18("6","3","5","5","4","10","1") = "9"
    & skf18("6","3","5","5","5","1","1") = "5"
    & skf18("6","3","5","5","5","2","1") = "5"
    & skf18("6","3","5","5","5","3","1") = "5"
    & skf18("6","3","5","5","5","4","1") = "5"
    & skf18("6","3","5","5","5","5","1") = "5"
    & skf18("6","3","5","5","5","6","1") = "5"
    & skf18("6","3","5","5","5","7","1") = "6"
    & skf18("6","3","5","5","5","8","1") = "7"
    & skf18("6","3","5","5","5","9","1") = "8"
    & skf18("6","3","5","5","5","10","1") = "9"
    & skf18("6","3","5","5","6","1","1") = "5"
    & skf18("6","3","5","5","6","2","1") = "5"
    & skf18("6","3","5","5","6","3","1") = "5"
    & skf18("6","3","5","5","6","4","1") = "5"
    & skf18("6","3","5","5","6","5","1") = "5"
    & skf18("6","3","5","5","6","6","1") = "5"
    & skf18("6","3","5","5","6","7","1") = "6"
    & skf18("6","3","5","5","6","8","1") = "7"
    & skf18("6","3","5","5","6","9","1") = "8"
    & skf18("6","3","5","5","6","10","1") = "9"
    & skf18("6","3","5","5","7","1","1") = "6"
    & skf18("6","3","5","5","7","2","1") = "6"
    & skf18("6","3","5","5","7","3","1") = "6"
    & skf18("6","3","5","5","7","4","1") = "6"
    & skf18("6","3","5","5","7","5","1") = "6"
    & skf18("6","3","5","5","7","6","1") = "6"
    & skf18("6","3","5","5","7","7","1") = "6"
    & skf18("6","3","5","5","7","8","1") = "7"
    & skf18("6","3","5","5","7","9","1") = "8"
    & skf18("6","3","5","5","7","10","1") = "9"
    & skf18("6","3","5","5","8","1","1") = "7"
    & skf18("6","3","5","5","8","2","1") = "7"
    & skf18("6","3","5","5","8","3","1") = "7"
    & skf18("6","3","5","5","8","4","1") = "7"
    & skf18("6","3","5","5","8","5","1") = "7"
    & skf18("6","3","5","5","8","6","1") = "7"
    & skf18("6","3","5","5","8","7","1") = "7"
    & skf18("6","3","5","5","8","8","1") = "7"
    & skf18("6","3","5","5","8","9","1") = "8"
    & skf18("6","3","5","5","8","10","1") = "9"
    & skf18("6","3","5","5","9","1","1") = "8"
    & skf18("6","3","5","5","9","2","1") = "8"
    & skf18("6","3","5","5","9","3","1") = "8"
    & skf18("6","3","5","5","9","4","1") = "8"
    & skf18("6","3","5","5","9","5","1") = "8"
    & skf18("6","3","5","5","9","6","1") = "8"
    & skf18("6","3","5","5","9","7","1") = "8"
    & skf18("6","3","5","5","9","8","1") = "8"
    & skf18("6","3","5","5","9","9","1") = "8"
    & skf18("6","3","5","5","9","10","1") = "9"
    & skf18("6","3","5","5","10","1","1") = "9"
    & skf18("6","3","5","5","10","2","1") = "9"
    & skf18("6","3","5","5","10","3","1") = "9"
    & skf18("6","3","5","5","10","4","1") = "9"
    & skf18("6","3","5","5","10","5","1") = "9"
    & skf18("6","3","5","5","10","6","1") = "9"
    & skf18("6","3","5","5","10","7","1") = "9"
    & skf18("6","3","5","5","10","8","1") = "9"
    & skf18("6","3","5","5","10","9","1") = "9"
    & skf18("6","3","5","5","10","10","1") = "9"
    & skf18("6","3","5","6","1","1","1") = "5"
    & skf18("6","3","5","6","1","2","1") = "5"
    & skf18("6","3","5","6","1","3","1") = "5"
    & skf18("6","3","5","6","1","4","1") = "5"
    & skf18("6","3","5","6","1","5","1") = "5"
    & skf18("6","3","5","6","1","6","1") = "5"
    & skf18("6","3","5","6","1","7","1") = "6"
    & skf18("6","3","5","6","1","8","1") = "7"
    & skf18("6","3","5","6","1","9","1") = "8"
    & skf18("6","3","5","6","1","10","1") = "9"
    & skf18("6","3","5","6","2","1","1") = "5"
    & skf18("6","3","5","6","2","2","1") = "5"
    & skf18("6","3","5","6","2","3","1") = "5"
    & skf18("6","3","5","6","2","4","1") = "5"
    & skf18("6","3","5","6","2","5","1") = "5"
    & skf18("6","3","5","6","2","6","1") = "5"
    & skf18("6","3","5","6","2","7","1") = "6"
    & skf18("6","3","5","6","2","8","1") = "7"
    & skf18("6","3","5","6","2","9","1") = "8"
    & skf18("6","3","5","6","2","10","1") = "9"
    & skf18("6","3","5","6","3","1","1") = "5"
    & skf18("6","3","5","6","3","2","1") = "5"
    & skf18("6","3","5","6","3","3","1") = "5"
    & skf18("6","3","5","6","3","4","1") = "5"
    & skf18("6","3","5","6","3","5","1") = "5"
    & skf18("6","3","5","6","3","6","1") = "5"
    & skf18("6","3","5","6","3","7","1") = "6"
    & skf18("6","3","5","6","3","8","1") = "7"
    & skf18("6","3","5","6","3","9","1") = "8"
    & skf18("6","3","5","6","3","10","1") = "9"
    & skf18("6","3","5","6","4","1","1") = "5"
    & skf18("6","3","5","6","4","2","1") = "5"
    & skf18("6","3","5","6","4","3","1") = "5"
    & skf18("6","3","5","6","4","4","1") = "5"
    & skf18("6","3","5","6","4","5","1") = "5"
    & skf18("6","3","5","6","4","6","1") = "5"
    & skf18("6","3","5","6","4","7","1") = "6"
    & skf18("6","3","5","6","4","8","1") = "7"
    & skf18("6","3","5","6","4","9","1") = "8"
    & skf18("6","3","5","6","4","10","1") = "9"
    & skf18("6","3","5","6","5","1","1") = "5"
    & skf18("6","3","5","6","5","2","1") = "5"
    & skf18("6","3","5","6","5","3","1") = "5"
    & skf18("6","3","5","6","5","4","1") = "5"
    & skf18("6","3","5","6","5","5","1") = "5"
    & skf18("6","3","5","6","5","6","1") = "5"
    & skf18("6","3","5","6","5","7","1") = "6"
    & skf18("6","3","5","6","5","8","1") = "7"
    & skf18("6","3","5","6","5","9","1") = "8"
    & skf18("6","3","5","6","5","10","1") = "9"
    & skf18("6","3","5","6","6","1","1") = "5"
    & skf18("6","3","5","6","6","2","1") = "5"
    & skf18("6","3","5","6","6","3","1") = "5"
    & skf18("6","3","5","6","6","4","1") = "5"
    & skf18("6","3","5","6","6","5","1") = "5"
    & skf18("6","3","5","6","6","6","1") = "5"
    & skf18("6","3","5","6","6","7","1") = "6"
    & skf18("6","3","5","6","6","8","1") = "7"
    & skf18("6","3","5","6","6","9","1") = "8"
    & skf18("6","3","5","6","6","10","1") = "9"
    & skf18("6","3","5","6","7","1","1") = "6"
    & skf18("6","3","5","6","7","2","1") = "6"
    & skf18("6","3","5","6","7","3","1") = "6"
    & skf18("6","3","5","6","7","4","1") = "6"
    & skf18("6","3","5","6","7","5","1") = "6"
    & skf18("6","3","5","6","7","6","1") = "6"
    & skf18("6","3","5","6","7","7","1") = "6"
    & skf18("6","3","5","6","7","8","1") = "7"
    & skf18("6","3","5","6","7","9","1") = "8"
    & skf18("6","3","5","6","7","10","1") = "9"
    & skf18("6","3","5","6","8","1","1") = "7"
    & skf18("6","3","5","6","8","2","1") = "7"
    & skf18("6","3","5","6","8","3","1") = "7"
    & skf18("6","3","5","6","8","4","1") = "7"
    & skf18("6","3","5","6","8","5","1") = "7"
    & skf18("6","3","5","6","8","6","1") = "7"
    & skf18("6","3","5","6","8","7","1") = "7"
    & skf18("6","3","5","6","8","8","1") = "7"
    & skf18("6","3","5","6","8","9","1") = "8"
    & skf18("6","3","5","6","8","10","1") = "9"
    & skf18("6","3","5","6","9","1","1") = "8"
    & skf18("6","3","5","6","9","2","1") = "8"
    & skf18("6","3","5","6","9","3","1") = "8"
    & skf18("6","3","5","6","9","4","1") = "8"
    & skf18("6","3","5","6","9","5","1") = "8"
    & skf18("6","3","5","6","9","6","1") = "8"
    & skf18("6","3","5","6","9","7","1") = "8"
    & skf18("6","3","5","6","9","8","1") = "8"
    & skf18("6","3","5","6","9","9","1") = "8"
    & skf18("6","3","5","6","9","10","1") = "9"
    & skf18("6","3","5","6","10","1","1") = "9"
    & skf18("6","3","5","6","10","2","1") = "9"
    & skf18("6","3","5","6","10","3","1") = "9"
    & skf18("6","3","5","6","10","4","1") = "9"
    & skf18("6","3","5","6","10","5","1") = "9"
    & skf18("6","3","5","6","10","6","1") = "9"
    & skf18("6","3","5","6","10","7","1") = "9"
    & skf18("6","3","5","6","10","8","1") = "9"
    & skf18("6","3","5","6","10","9","1") = "9"
    & skf18("6","3","5","6","10","10","1") = "9"
    & skf18("6","3","5","7","1","1","1") = "6"
    & skf18("6","3","5","7","1","2","1") = "6"
    & skf18("6","3","5","7","1","3","1") = "6"
    & skf18("6","3","5","7","1","4","1") = "6"
    & skf18("6","3","5","7","1","5","1") = "6"
    & skf18("6","3","5","7","1","6","1") = "6"
    & skf18("6","3","5","7","1","7","1") = "6"
    & skf18("6","3","5","7","1","8","1") = "7"
    & skf18("6","3","5","7","1","9","1") = "8"
    & skf18("6","3","5","7","1","10","1") = "9"
    & skf18("6","3","5","7","2","1","1") = "6"
    & skf18("6","3","5","7","2","2","1") = "6"
    & skf18("6","3","5","7","2","3","1") = "6"
    & skf18("6","3","5","7","2","4","1") = "6"
    & skf18("6","3","5","7","2","5","1") = "6"
    & skf18("6","3","5","7","2","6","1") = "6"
    & skf18("6","3","5","7","2","7","1") = "6"
    & skf18("6","3","5","7","2","8","1") = "7"
    & skf18("6","3","5","7","2","9","1") = "8"
    & skf18("6","3","5","7","2","10","1") = "9"
    & skf18("6","3","5","7","3","1","1") = "6"
    & skf18("6","3","5","7","3","2","1") = "6"
    & skf18("6","3","5","7","3","3","1") = "6"
    & skf18("6","3","5","7","3","4","1") = "6"
    & skf18("6","3","5","7","3","5","1") = "6"
    & skf18("6","3","5","7","3","6","1") = "6"
    & skf18("6","3","5","7","3","7","1") = "6"
    & skf18("6","3","5","7","3","8","1") = "7"
    & skf18("6","3","5","7","3","9","1") = "8"
    & skf18("6","3","5","7","3","10","1") = "9"
    & skf18("6","3","5","7","4","1","1") = "6"
    & skf18("6","3","5","7","4","2","1") = "6"
    & skf18("6","3","5","7","4","3","1") = "6"
    & skf18("6","3","5","7","4","4","1") = "6"
    & skf18("6","3","5","7","4","5","1") = "6"
    & skf18("6","3","5","7","4","6","1") = "6"
    & skf18("6","3","5","7","4","7","1") = "6"
    & skf18("6","3","5","7","4","8","1") = "7"
    & skf18("6","3","5","7","4","9","1") = "8"
    & skf18("6","3","5","7","4","10","1") = "9"
    & skf18("6","3","5","7","5","1","1") = "6"
    & skf18("6","3","5","7","5","2","1") = "6"
    & skf18("6","3","5","7","5","3","1") = "6"
    & skf18("6","3","5","7","5","4","1") = "6"
    & skf18("6","3","5","7","5","5","1") = "6"
    & skf18("6","3","5","7","5","6","1") = "6"
    & skf18("6","3","5","7","5","7","1") = "6"
    & skf18("6","3","5","7","5","8","1") = "7"
    & skf18("6","3","5","7","5","9","1") = "8"
    & skf18("6","3","5","7","5","10","1") = "9"
    & skf18("6","3","5","7","6","1","1") = "6"
    & skf18("6","3","5","7","6","2","1") = "6"
    & skf18("6","3","5","7","6","3","1") = "6"
    & skf18("6","3","5","7","6","4","1") = "6"
    & skf18("6","3","5","7","6","5","1") = "6"
    & skf18("6","3","5","7","6","6","1") = "6"
    & skf18("6","3","5","7","6","7","1") = "6"
    & skf18("6","3","5","7","6","8","1") = "7"
    & skf18("6","3","5","7","6","9","1") = "8"
    & skf18("6","3","5","7","6","10","1") = "9"
    & skf18("6","3","5","7","7","1","1") = "6"
    & skf18("6","3","5","7","7","2","1") = "6"
    & skf18("6","3","5","7","7","3","1") = "6"
    & skf18("6","3","5","7","7","4","1") = "6"
    & skf18("6","3","5","7","7","5","1") = "6"
    & skf18("6","3","5","7","7","6","1") = "6"
    & skf18("6","3","5","7","7","7","1") = "6"
    & skf18("6","3","5","7","7","8","1") = "7"
    & skf18("6","3","5","7","7","9","1") = "8"
    & skf18("6","3","5","7","7","10","1") = "9"
    & skf18("6","3","5","7","8","1","1") = "7"
    & skf18("6","3","5","7","8","2","1") = "7"
    & skf18("6","3","5","7","8","3","1") = "7"
    & skf18("6","3","5","7","8","4","1") = "7"
    & skf18("6","3","5","7","8","5","1") = "7"
    & skf18("6","3","5","7","8","6","1") = "7"
    & skf18("6","3","5","7","8","7","1") = "7"
    & skf18("6","3","5","7","8","8","1") = "7"
    & skf18("6","3","5","7","8","9","1") = "8"
    & skf18("6","3","5","7","8","10","1") = "9"
    & skf18("6","3","5","7","9","1","1") = "8"
    & skf18("6","3","5","7","9","2","1") = "8"
    & skf18("6","3","5","7","9","3","1") = "8"
    & skf18("6","3","5","7","9","4","1") = "8"
    & skf18("6","3","5","7","9","5","1") = "8"
    & skf18("6","3","5","7","9","6","1") = "8"
    & skf18("6","3","5","7","9","7","1") = "8"
    & skf18("6","3","5","7","9","8","1") = "8"
    & skf18("6","3","5","7","9","9","1") = "8"
    & skf18("6","3","5","7","9","10","1") = "9"
    & skf18("6","3","5","7","10","1","1") = "9"
    & skf18("6","3","5","7","10","2","1") = "9"
    & skf18("6","3","5","7","10","3","1") = "9"
    & skf18("6","3","5","7","10","4","1") = "9"
    & skf18("6","3","5","7","10","5","1") = "9"
    & skf18("6","3","5","7","10","6","1") = "9"
    & skf18("6","3","5","7","10","7","1") = "9"
    & skf18("6","3","5","7","10","8","1") = "9"
    & skf18("6","3","5","7","10","9","1") = "9"
    & skf18("6","3","5","7","10","10","1") = "9"
    & skf18("6","3","5","8","1","1","1") = "7"
    & skf18("6","3","5","8","1","2","1") = "7"
    & skf18("6","3","5","8","1","3","1") = "7"
    & skf18("6","3","5","8","1","4","1") = "7"
    & skf18("6","3","5","8","1","5","1") = "7"
    & skf18("6","3","5","8","1","6","1") = "7"
    & skf18("6","3","5","8","1","7","1") = "7"
    & skf18("6","3","5","8","1","8","1") = "7"
    & skf18("6","3","5","8","1","9","1") = "8"
    & skf18("6","3","5","8","1","10","1") = "9"
    & skf18("6","3","5","8","2","1","1") = "7"
    & skf18("6","3","5","8","2","2","1") = "7"
    & skf18("6","3","5","8","2","3","1") = "7"
    & skf18("6","3","5","8","2","4","1") = "7"
    & skf18("6","3","5","8","2","5","1") = "7"
    & skf18("6","3","5","8","2","6","1") = "7"
    & skf18("6","3","5","8","2","7","1") = "7"
    & skf18("6","3","5","8","2","8","1") = "7"
    & skf18("6","3","5","8","2","9","1") = "8"
    & skf18("6","3","5","8","2","10","1") = "9"
    & skf18("6","3","5","8","3","1","1") = "7"
    & skf18("6","3","5","8","3","2","1") = "7"
    & skf18("6","3","5","8","3","3","1") = "7"
    & skf18("6","3","5","8","3","4","1") = "7"
    & skf18("6","3","5","8","3","5","1") = "7"
    & skf18("6","3","5","8","3","6","1") = "7"
    & skf18("6","3","5","8","3","7","1") = "7"
    & skf18("6","3","5","8","3","8","1") = "7"
    & skf18("6","3","5","8","3","9","1") = "8"
    & skf18("6","3","5","8","3","10","1") = "9"
    & skf18("6","3","5","8","4","1","1") = "7"
    & skf18("6","3","5","8","4","2","1") = "7"
    & skf18("6","3","5","8","4","3","1") = "7"
    & skf18("6","3","5","8","4","4","1") = "7"
    & skf18("6","3","5","8","4","5","1") = "7"
    & skf18("6","3","5","8","4","6","1") = "7"
    & skf18("6","3","5","8","4","7","1") = "7"
    & skf18("6","3","5","8","4","8","1") = "7"
    & skf18("6","3","5","8","4","9","1") = "8"
    & skf18("6","3","5","8","4","10","1") = "9"
    & skf18("6","3","5","8","5","1","1") = "7"
    & skf18("6","3","5","8","5","2","1") = "7"
    & skf18("6","3","5","8","5","3","1") = "7"
    & skf18("6","3","5","8","5","4","1") = "7"
    & skf18("6","3","5","8","5","5","1") = "7"
    & skf18("6","3","5","8","5","6","1") = "7"
    & skf18("6","3","5","8","5","7","1") = "7"
    & skf18("6","3","5","8","5","8","1") = "7"
    & skf18("6","3","5","8","5","9","1") = "8"
    & skf18("6","3","5","8","5","10","1") = "9"
    & skf18("6","3","5","8","6","1","1") = "7"
    & skf18("6","3","5","8","6","2","1") = "7"
    & skf18("6","3","5","8","6","3","1") = "7"
    & skf18("6","3","5","8","6","4","1") = "7"
    & skf18("6","3","5","8","6","5","1") = "7"
    & skf18("6","3","5","8","6","6","1") = "7"
    & skf18("6","3","5","8","6","7","1") = "7"
    & skf18("6","3","5","8","6","8","1") = "7"
    & skf18("6","3","5","8","6","9","1") = "8"
    & skf18("6","3","5","8","6","10","1") = "9"
    & skf18("6","3","5","8","7","1","1") = "7"
    & skf18("6","3","5","8","7","2","1") = "7"
    & skf18("6","3","5","8","7","3","1") = "7"
    & skf18("6","3","5","8","7","4","1") = "7"
    & skf18("6","3","5","8","7","5","1") = "7"
    & skf18("6","3","5","8","7","6","1") = "7"
    & skf18("6","3","5","8","7","7","1") = "7"
    & skf18("6","3","5","8","7","8","1") = "7"
    & skf18("6","3","5","8","7","9","1") = "8"
    & skf18("6","3","5","8","7","10","1") = "9"
    & skf18("6","3","5","8","8","1","1") = "7"
    & skf18("6","3","5","8","8","2","1") = "7"
    & skf18("6","3","5","8","8","3","1") = "7"
    & skf18("6","3","5","8","8","4","1") = "7"
    & skf18("6","3","5","8","8","5","1") = "7"
    & skf18("6","3","5","8","8","6","1") = "7"
    & skf18("6","3","5","8","8","7","1") = "7"
    & skf18("6","3","5","8","8","8","1") = "7"
    & skf18("6","3","5","8","8","9","1") = "8"
    & skf18("6","3","5","8","8","10","1") = "9"
    & skf18("6","3","5","8","9","1","1") = "8"
    & skf18("6","3","5","8","9","2","1") = "8"
    & skf18("6","3","5","8","9","3","1") = "8"
    & skf18("6","3","5","8","9","4","1") = "8"
    & skf18("6","3","5","8","9","5","1") = "8"
    & skf18("6","3","5","8","9","6","1") = "8"
    & skf18("6","3","5","8","9","7","1") = "8"
    & skf18("6","3","5","8","9","8","1") = "8"
    & skf18("6","3","5","8","9","9","1") = "8"
    & skf18("6","3","5","8","9","10","1") = "9"
    & skf18("6","3","5","8","10","1","1") = "9"
    & skf18("6","3","5","8","10","2","1") = "9"
    & skf18("6","3","5","8","10","3","1") = "9"
    & skf18("6","3","5","8","10","4","1") = "9"
    & skf18("6","3","5","8","10","5","1") = "9"
    & skf18("6","3","5","8","10","6","1") = "9"
    & skf18("6","3","5","8","10","7","1") = "9"
    & skf18("6","3","5","8","10","8","1") = "9"
    & skf18("6","3","5","8","10","9","1") = "9"
    & skf18("6","3","5","8","10","10","1") = "9"
    & skf18("6","3","5","9","1","1","1") = "8"
    & skf18("6","3","5","9","1","2","1") = "8"
    & skf18("6","3","5","9","1","3","1") = "8"
    & skf18("6","3","5","9","1","4","1") = "8"
    & skf18("6","3","5","9","1","5","1") = "8"
    & skf18("6","3","5","9","1","6","1") = "8"
    & skf18("6","3","5","9","1","7","1") = "8"
    & skf18("6","3","5","9","1","8","1") = "8"
    & skf18("6","3","5","9","1","9","1") = "8"
    & skf18("6","3","5","9","1","10","1") = "9"
    & skf18("6","3","5","9","2","1","1") = "8"
    & skf18("6","3","5","9","2","2","1") = "8"
    & skf18("6","3","5","9","2","3","1") = "8"
    & skf18("6","3","5","9","2","4","1") = "8"
    & skf18("6","3","5","9","2","5","1") = "8"
    & skf18("6","3","5","9","2","6","1") = "8"
    & skf18("6","3","5","9","2","7","1") = "8"
    & skf18("6","3","5","9","2","8","1") = "8"
    & skf18("6","3","5","9","2","9","1") = "8"
    & skf18("6","3","5","9","2","10","1") = "9"
    & skf18("6","3","5","9","3","1","1") = "8"
    & skf18("6","3","5","9","3","2","1") = "8"
    & skf18("6","3","5","9","3","3","1") = "8"
    & skf18("6","3","5","9","3","4","1") = "8"
    & skf18("6","3","5","9","3","5","1") = "8"
    & skf18("6","3","5","9","3","6","1") = "8"
    & skf18("6","3","5","9","3","7","1") = "8"
    & skf18("6","3","5","9","3","8","1") = "8"
    & skf18("6","3","5","9","3","9","1") = "8"
    & skf18("6","3","5","9","3","10","1") = "9"
    & skf18("6","3","5","9","4","1","1") = "8"
    & skf18("6","3","5","9","4","2","1") = "8"
    & skf18("6","3","5","9","4","3","1") = "8"
    & skf18("6","3","5","9","4","4","1") = "8"
    & skf18("6","3","5","9","4","5","1") = "8"
    & skf18("6","3","5","9","4","6","1") = "8"
    & skf18("6","3","5","9","4","7","1") = "8"
    & skf18("6","3","5","9","4","8","1") = "8"
    & skf18("6","3","5","9","4","9","1") = "8"
    & skf18("6","3","5","9","4","10","1") = "9"
    & skf18("6","3","5","9","5","1","1") = "8"
    & skf18("6","3","5","9","5","2","1") = "8"
    & skf18("6","3","5","9","5","3","1") = "8"
    & skf18("6","3","5","9","5","4","1") = "8"
    & skf18("6","3","5","9","5","5","1") = "8"
    & skf18("6","3","5","9","5","6","1") = "8"
    & skf18("6","3","5","9","5","7","1") = "8"
    & skf18("6","3","5","9","5","8","1") = "8"
    & skf18("6","3","5","9","5","9","1") = "8"
    & skf18("6","3","5","9","5","10","1") = "9"
    & skf18("6","3","5","9","6","1","1") = "8"
    & skf18("6","3","5","9","6","2","1") = "8"
    & skf18("6","3","5","9","6","3","1") = "8"
    & skf18("6","3","5","9","6","4","1") = "8"
    & skf18("6","3","5","9","6","5","1") = "8"
    & skf18("6","3","5","9","6","6","1") = "8"
    & skf18("6","3","5","9","6","7","1") = "8"
    & skf18("6","3","5","9","6","8","1") = "8"
    & skf18("6","3","5","9","6","9","1") = "8"
    & skf18("6","3","5","9","6","10","1") = "9"
    & skf18("6","3","5","9","7","1","1") = "8"
    & skf18("6","3","5","9","7","2","1") = "8"
    & skf18("6","3","5","9","7","3","1") = "8"
    & skf18("6","3","5","9","7","4","1") = "8"
    & skf18("6","3","5","9","7","5","1") = "8"
    & skf18("6","3","5","9","7","6","1") = "8"
    & skf18("6","3","5","9","7","7","1") = "8"
    & skf18("6","3","5","9","7","8","1") = "8"
    & skf18("6","3","5","9","7","9","1") = "8"
    & skf18("6","3","5","9","7","10","1") = "9"
    & skf18("6","3","5","9","8","1","1") = "8"
    & skf18("6","3","5","9","8","2","1") = "8"
    & skf18("6","3","5","9","8","3","1") = "8"
    & skf18("6","3","5","9","8","4","1") = "8"
    & skf18("6","3","5","9","8","5","1") = "8"
    & skf18("6","3","5","9","8","6","1") = "8"
    & skf18("6","3","5","9","8","7","1") = "8"
    & skf18("6","3","5","9","8","8","1") = "8"
    & skf18("6","3","5","9","8","9","1") = "8"
    & skf18("6","3","5","9","8","10","1") = "9"
    & skf18("6","3","5","9","9","1","1") = "8"
    & skf18("6","3","5","9","9","2","1") = "8"
    & skf18("6","3","5","9","9","3","1") = "8"
    & skf18("6","3","5","9","9","4","1") = "8"
    & skf18("6","3","5","9","9","5","1") = "8"
    & skf18("6","3","5","9","9","6","1") = "8"
    & skf18("6","3","5","9","9","7","1") = "8"
    & skf18("6","3","5","9","9","8","1") = "8"
    & skf18("6","3","5","9","9","9","1") = "8"
    & skf18("6","3","5","9","9","10","1") = "9"
    & skf18("6","3","5","9","10","1","1") = "9"
    & skf18("6","3","5","9","10","2","1") = "9"
    & skf18("6","3","5","9","10","3","1") = "9"
    & skf18("6","3","5","9","10","4","1") = "9"
    & skf18("6","3","5","9","10","5","1") = "9"
    & skf18("6","3","5","9","10","6","1") = "9"
    & skf18("6","3","5","9","10","7","1") = "9"
    & skf18("6","3","5","9","10","8","1") = "9"
    & skf18("6","3","5","9","10","9","1") = "9"
    & skf18("6","3","5","9","10","10","1") = "9"
    & skf18("6","3","5","10","1","1","1") = "9"
    & skf18("6","3","5","10","1","2","1") = "9"
    & skf18("6","3","5","10","1","3","1") = "9"
    & skf18("6","3","5","10","1","4","1") = "9"
    & skf18("6","3","5","10","1","5","1") = "9"
    & skf18("6","3","5","10","1","6","1") = "9"
    & skf18("6","3","5","10","1","7","1") = "9"
    & skf18("6","3","5","10","1","8","1") = "9"
    & skf18("6","3","5","10","1","9","1") = "9"
    & skf18("6","3","5","10","1","10","1") = "9"
    & skf18("6","3","5","10","2","1","1") = "9"
    & skf18("6","3","5","10","2","2","1") = "9"
    & skf18("6","3","5","10","2","3","1") = "9"
    & skf18("6","3","5","10","2","4","1") = "9"
    & skf18("6","3","5","10","2","5","1") = "9"
    & skf18("6","3","5","10","2","6","1") = "9"
    & skf18("6","3","5","10","2","7","1") = "9"
    & skf18("6","3","5","10","2","8","1") = "9"
    & skf18("6","3","5","10","2","9","1") = "9"
    & skf18("6","3","5","10","2","10","1") = "9"
    & skf18("6","3","5","10","3","1","1") = "9"
    & skf18("6","3","5","10","3","2","1") = "9"
    & skf18("6","3","5","10","3","3","1") = "9"
    & skf18("6","3","5","10","3","4","1") = "9"
    & skf18("6","3","5","10","3","5","1") = "9"
    & skf18("6","3","5","10","3","6","1") = "9"
    & skf18("6","3","5","10","3","7","1") = "9"
    & skf18("6","3","5","10","3","8","1") = "9"
    & skf18("6","3","5","10","3","9","1") = "9"
    & skf18("6","3","5","10","3","10","1") = "9"
    & skf18("6","3","5","10","4","1","1") = "9"
    & skf18("6","3","5","10","4","2","1") = "9"
    & skf18("6","3","5","10","4","3","1") = "9"
    & skf18("6","3","5","10","4","4","1") = "9"
    & skf18("6","3","5","10","4","5","1") = "9"
    & skf18("6","3","5","10","4","6","1") = "9"
    & skf18("6","3","5","10","4","7","1") = "9"
    & skf18("6","3","5","10","4","8","1") = "9"
    & skf18("6","3","5","10","4","9","1") = "9"
    & skf18("6","3","5","10","4","10","1") = "9"
    & skf18("6","3","5","10","5","1","1") = "9"
    & skf18("6","3","5","10","5","2","1") = "9"
    & skf18("6","3","5","10","5","3","1") = "9"
    & skf18("6","3","5","10","5","4","1") = "9"
    & skf18("6","3","5","10","5","5","1") = "9"
    & skf18("6","3","5","10","5","6","1") = "9"
    & skf18("6","3","5","10","5","7","1") = "9"
    & skf18("6","3","5","10","5","8","1") = "9"
    & skf18("6","3","5","10","5","9","1") = "9"
    & skf18("6","3","5","10","5","10","1") = "9"
    & skf18("6","3","5","10","6","1","1") = "9"
    & skf18("6","3","5","10","6","2","1") = "9"
    & skf18("6","3","5","10","6","3","1") = "9"
    & skf18("6","3","5","10","6","4","1") = "9"
    & skf18("6","3","5","10","6","5","1") = "9"
    & skf18("6","3","5","10","6","6","1") = "9"
    & skf18("6","3","5","10","6","7","1") = "9"
    & skf18("6","3","5","10","6","8","1") = "9"
    & skf18("6","3","5","10","6","9","1") = "9"
    & skf18("6","3","5","10","6","10","1") = "9"
    & skf18("6","3","5","10","7","1","1") = "9"
    & skf18("6","3","5","10","7","2","1") = "9"
    & skf18("6","3","5","10","7","3","1") = "9"
    & skf18("6","3","5","10","7","4","1") = "9"
    & skf18("6","3","5","10","7","5","1") = "9"
    & skf18("6","3","5","10","7","6","1") = "9"
    & skf18("6","3","5","10","7","7","1") = "9"
    & skf18("6","3","5","10","7","8","1") = "9"
    & skf18("6","3","5","10","7","9","1") = "9"
    & skf18("6","3","5","10","7","10","1") = "9"
    & skf18("6","3","5","10","8","1","1") = "9"
    & skf18("6","3","5","10","8","2","1") = "9"
    & skf18("6","3","5","10","8","3","1") = "9"
    & skf18("6","3","5","10","8","4","1") = "9"
    & skf18("6","3","5","10","8","5","1") = "9"
    & skf18("6","3","5","10","8","6","1") = "9"
    & skf18("6","3","5","10","8","7","1") = "9"
    & skf18("6","3","5","10","8","8","1") = "9"
    & skf18("6","3","5","10","8","9","1") = "9"
    & skf18("6","3","5","10","8","10","1") = "9"
    & skf18("6","3","5","10","9","1","1") = "9"
    & skf18("6","3","5","10","9","2","1") = "9"
    & skf18("6","3","5","10","9","3","1") = "9"
    & skf18("6","3","5","10","9","4","1") = "9"
    & skf18("6","3","5","10","9","5","1") = "9"
    & skf18("6","3","5","10","9","6","1") = "9"
    & skf18("6","3","5","10","9","7","1") = "9"
    & skf18("6","3","5","10","9","8","1") = "9"
    & skf18("6","3","5","10","9","9","1") = "9"
    & skf18("6","3","5","10","9","10","1") = "9"
    & skf18("6","3","5","10","10","1","1") = "9"
    & skf18("6","3","5","10","10","2","1") = "9"
    & skf18("6","3","5","10","10","3","1") = "9"
    & skf18("6","3","5","10","10","4","1") = "9"
    & skf18("6","3","5","10","10","5","1") = "9"
    & skf18("6","3","5","10","10","6","1") = "9"
    & skf18("6","3","5","10","10","7","1") = "9"
    & skf18("6","3","5","10","10","8","1") = "9"
    & skf18("6","3","5","10","10","9","1") = "9"
    & skf18("6","3","5","10","10","10","1") = "9"
    & skf18("6","3","6","1","1","1","1") = "5"
    & skf18("6","3","6","1","1","2","1") = "5"
    & skf18("6","3","6","1","1","3","1") = "5"
    & skf18("6","3","6","1","1","4","1") = "5"
    & skf18("6","3","6","1","1","5","1") = "5"
    & skf18("6","3","6","1","1","6","1") = "5"
    & skf18("6","3","6","1","1","7","1") = "6"
    & skf18("6","3","6","1","1","8","1") = "7"
    & skf18("6","3","6","1","1","9","1") = "8"
    & skf18("6","3","6","1","1","10","1") = "9"
    & skf18("6","3","6","1","2","1","1") = "5"
    & skf18("6","3","6","1","2","2","1") = "5"
    & skf18("6","3","6","1","2","3","1") = "5"
    & skf18("6","3","6","1","2","4","1") = "5"
    & skf18("6","3","6","1","2","5","1") = "5"
    & skf18("6","3","6","1","2","6","1") = "5"
    & skf18("6","3","6","1","2","7","1") = "6"
    & skf18("6","3","6","1","2","8","1") = "7"
    & skf18("6","3","6","1","2","9","1") = "8"
    & skf18("6","3","6","1","2","10","1") = "9"
    & skf18("6","3","6","1","3","1","1") = "5"
    & skf18("6","3","6","1","3","2","1") = "5"
    & skf18("6","3","6","1","3","3","1") = "5"
    & skf18("6","3","6","1","3","4","1") = "5"
    & skf18("6","3","6","1","3","5","1") = "5"
    & skf18("6","3","6","1","3","6","1") = "5"
    & skf18("6","3","6","1","3","7","1") = "6"
    & skf18("6","3","6","1","3","8","1") = "7"
    & skf18("6","3","6","1","3","9","1") = "8"
    & skf18("6","3","6","1","3","10","1") = "9"
    & skf18("6","3","6","1","4","1","1") = "5"
    & skf18("6","3","6","1","4","2","1") = "5"
    & skf18("6","3","6","1","4","3","1") = "5"
    & skf18("6","3","6","1","4","4","1") = "5"
    & skf18("6","3","6","1","4","5","1") = "5"
    & skf18("6","3","6","1","4","6","1") = "5"
    & skf18("6","3","6","1","4","7","1") = "6"
    & skf18("6","3","6","1","4","8","1") = "7"
    & skf18("6","3","6","1","4","9","1") = "8"
    & skf18("6","3","6","1","4","10","1") = "9"
    & skf18("6","3","6","1","5","1","1") = "5"
    & skf18("6","3","6","1","5","2","1") = "5"
    & skf18("6","3","6","1","5","3","1") = "5"
    & skf18("6","3","6","1","5","4","1") = "5"
    & skf18("6","3","6","1","5","5","1") = "5"
    & skf18("6","3","6","1","5","6","1") = "5"
    & skf18("6","3","6","1","5","7","1") = "6"
    & skf18("6","3","6","1","5","8","1") = "7"
    & skf18("6","3","6","1","5","9","1") = "8"
    & skf18("6","3","6","1","5","10","1") = "9"
    & skf18("6","3","6","1","6","1","1") = "5"
    & skf18("6","3","6","1","6","2","1") = "5"
    & skf18("6","3","6","1","6","3","1") = "5"
    & skf18("6","3","6","1","6","4","1") = "5"
    & skf18("6","3","6","1","6","5","1") = "5"
    & skf18("6","3","6","1","6","6","1") = "5"
    & skf18("6","3","6","1","6","7","1") = "6"
    & skf18("6","3","6","1","6","8","1") = "7"
    & skf18("6","3","6","1","6","9","1") = "8"
    & skf18("6","3","6","1","6","10","1") = "9"
    & skf18("6","3","6","1","7","1","1") = "6"
    & skf18("6","3","6","1","7","2","1") = "6"
    & skf18("6","3","6","1","7","3","1") = "6"
    & skf18("6","3","6","1","7","4","1") = "6"
    & skf18("6","3","6","1","7","5","1") = "6"
    & skf18("6","3","6","1","7","6","1") = "6"
    & skf18("6","3","6","1","7","7","1") = "6"
    & skf18("6","3","6","1","7","8","1") = "7"
    & skf18("6","3","6","1","7","9","1") = "8"
    & skf18("6","3","6","1","7","10","1") = "9"
    & skf18("6","3","6","1","8","1","1") = "7"
    & skf18("6","3","6","1","8","2","1") = "7"
    & skf18("6","3","6","1","8","3","1") = "7"
    & skf18("6","3","6","1","8","4","1") = "7"
    & skf18("6","3","6","1","8","5","1") = "7"
    & skf18("6","3","6","1","8","6","1") = "7"
    & skf18("6","3","6","1","8","7","1") = "7"
    & skf18("6","3","6","1","8","8","1") = "7"
    & skf18("6","3","6","1","8","9","1") = "8"
    & skf18("6","3","6","1","8","10","1") = "9"
    & skf18("6","3","6","1","9","1","1") = "8"
    & skf18("6","3","6","1","9","2","1") = "8"
    & skf18("6","3","6","1","9","3","1") = "8"
    & skf18("6","3","6","1","9","4","1") = "8"
    & skf18("6","3","6","1","9","5","1") = "8"
    & skf18("6","3","6","1","9","6","1") = "8"
    & skf18("6","3","6","1","9","7","1") = "8"
    & skf18("6","3","6","1","9","8","1") = "8"
    & skf18("6","3","6","1","9","9","1") = "8"
    & skf18("6","3","6","1","9","10","1") = "9"
    & skf18("6","3","6","1","10","1","1") = "9"
    & skf18("6","3","6","1","10","2","1") = "9"
    & skf18("6","3","6","1","10","3","1") = "9"
    & skf18("6","3","6","1","10","4","1") = "9"
    & skf18("6","3","6","1","10","5","1") = "9"
    & skf18("6","3","6","1","10","6","1") = "9"
    & skf18("6","3","6","1","10","7","1") = "9"
    & skf18("6","3","6","1","10","8","1") = "9"
    & skf18("6","3","6","1","10","9","1") = "9"
    & skf18("6","3","6","1","10","10","1") = "9"
    & skf18("6","3","6","2","1","1","1") = "5"
    & skf18("6","3","6","2","1","2","1") = "5"
    & skf18("6","3","6","2","1","3","1") = "5"
    & skf18("6","3","6","2","1","4","1") = "5"
    & skf18("6","3","6","2","1","5","1") = "5"
    & skf18("6","3","6","2","1","6","1") = "5"
    & skf18("6","3","6","2","1","7","1") = "6"
    & skf18("6","3","6","2","1","8","1") = "7"
    & skf18("6","3","6","2","1","9","1") = "8"
    & skf18("6","3","6","2","1","10","1") = "9"
    & skf18("6","3","6","2","2","1","1") = "5"
    & skf18("6","3","6","2","2","2","1") = "5"
    & skf18("6","3","6","2","2","3","1") = "5"
    & skf18("6","3","6","2","2","4","1") = "5"
    & skf18("6","3","6","2","2","5","1") = "5"
    & skf18("6","3","6","2","2","6","1") = "5"
    & skf18("6","3","6","2","2","7","1") = "6"
    & skf18("6","3","6","2","2","8","1") = "7"
    & skf18("6","3","6","2","2","9","1") = "8"
    & skf18("6","3","6","2","2","10","1") = "9"
    & skf18("6","3","6","2","3","1","1") = "5"
    & skf18("6","3","6","2","3","2","1") = "5"
    & skf18("6","3","6","2","3","3","1") = "5"
    & skf18("6","3","6","2","3","4","1") = "5"
    & skf18("6","3","6","2","3","5","1") = "5"
    & skf18("6","3","6","2","3","6","1") = "5"
    & skf18("6","3","6","2","3","7","1") = "6"
    & skf18("6","3","6","2","3","8","1") = "7"
    & skf18("6","3","6","2","3","9","1") = "8"
    & skf18("6","3","6","2","3","10","1") = "9"
    & skf18("6","3","6","2","4","1","1") = "5"
    & skf18("6","3","6","2","4","2","1") = "5"
    & skf18("6","3","6","2","4","3","1") = "5"
    & skf18("6","3","6","2","4","4","1") = "5"
    & skf18("6","3","6","2","4","5","1") = "5"
    & skf18("6","3","6","2","4","6","1") = "5"
    & skf18("6","3","6","2","4","7","1") = "6"
    & skf18("6","3","6","2","4","8","1") = "7"
    & skf18("6","3","6","2","4","9","1") = "8"
    & skf18("6","3","6","2","4","10","1") = "9"
    & skf18("6","3","6","2","5","1","1") = "5"
    & skf18("6","3","6","2","5","2","1") = "5"
    & skf18("6","3","6","2","5","3","1") = "5"
    & skf18("6","3","6","2","5","4","1") = "5"
    & skf18("6","3","6","2","5","5","1") = "5"
    & skf18("6","3","6","2","5","6","1") = "5"
    & skf18("6","3","6","2","5","7","1") = "6"
    & skf18("6","3","6","2","5","8","1") = "7"
    & skf18("6","3","6","2","5","9","1") = "8"
    & skf18("6","3","6","2","5","10","1") = "9"
    & skf18("6","3","6","2","6","1","1") = "5"
    & skf18("6","3","6","2","6","2","1") = "5"
    & skf18("6","3","6","2","6","3","1") = "5"
    & skf18("6","3","6","2","6","4","1") = "5"
    & skf18("6","3","6","2","6","5","1") = "5"
    & skf18("6","3","6","2","6","6","1") = "5"
    & skf18("6","3","6","2","6","7","1") = "6"
    & skf18("6","3","6","2","6","8","1") = "7"
    & skf18("6","3","6","2","6","9","1") = "8"
    & skf18("6","3","6","2","6","10","1") = "9"
    & skf18("6","3","6","2","7","1","1") = "6"
    & skf18("6","3","6","2","7","2","1") = "6"
    & skf18("6","3","6","2","7","3","1") = "6"
    & skf18("6","3","6","2","7","4","1") = "6"
    & skf18("6","3","6","2","7","5","1") = "6"
    & skf18("6","3","6","2","7","6","1") = "6"
    & skf18("6","3","6","2","7","7","1") = "6"
    & skf18("6","3","6","2","7","8","1") = "7"
    & skf18("6","3","6","2","7","9","1") = "8"
    & skf18("6","3","6","2","7","10","1") = "9"
    & skf18("6","3","6","2","8","1","1") = "7"
    & skf18("6","3","6","2","8","2","1") = "7"
    & skf18("6","3","6","2","8","3","1") = "7"
    & skf18("6","3","6","2","8","4","1") = "7"
    & skf18("6","3","6","2","8","5","1") = "7"
    & skf18("6","3","6","2","8","6","1") = "7"
    & skf18("6","3","6","2","8","7","1") = "7"
    & skf18("6","3","6","2","8","8","1") = "7"
    & skf18("6","3","6","2","8","9","1") = "8"
    & skf18("6","3","6","2","8","10","1") = "9"
    & skf18("6","3","6","2","9","1","1") = "8"
    & skf18("6","3","6","2","9","2","1") = "8"
    & skf18("6","3","6","2","9","3","1") = "8"
    & skf18("6","3","6","2","9","4","1") = "8"
    & skf18("6","3","6","2","9","5","1") = "8"
    & skf18("6","3","6","2","9","6","1") = "8"
    & skf18("6","3","6","2","9","7","1") = "8"
    & skf18("6","3","6","2","9","8","1") = "8"
    & skf18("6","3","6","2","9","9","1") = "8"
    & skf18("6","3","6","2","9","10","1") = "9"
    & skf18("6","3","6","2","10","1","1") = "9"
    & skf18("6","3","6","2","10","2","1") = "9"
    & skf18("6","3","6","2","10","3","1") = "9"
    & skf18("6","3","6","2","10","4","1") = "9"
    & skf18("6","3","6","2","10","5","1") = "9"
    & skf18("6","3","6","2","10","6","1") = "9"
    & skf18("6","3","6","2","10","7","1") = "9"
    & skf18("6","3","6","2","10","8","1") = "9"
    & skf18("6","3","6","2","10","9","1") = "9"
    & skf18("6","3","6","2","10","10","1") = "9"
    & skf18("6","3","6","3","1","1","1") = "5"
    & skf18("6","3","6","3","1","2","1") = "5"
    & skf18("6","3","6","3","1","3","1") = "5"
    & skf18("6","3","6","3","1","4","1") = "5"
    & skf18("6","3","6","3","1","5","1") = "5"
    & skf18("6","3","6","3","1","6","1") = "5"
    & skf18("6","3","6","3","1","7","1") = "6"
    & skf18("6","3","6","3","1","8","1") = "7"
    & skf18("6","3","6","3","1","9","1") = "8"
    & skf18("6","3","6","3","1","10","1") = "9"
    & skf18("6","3","6","3","2","1","1") = "5"
    & skf18("6","3","6","3","2","2","1") = "5"
    & skf18("6","3","6","3","2","3","1") = "5"
    & skf18("6","3","6","3","2","4","1") = "5"
    & skf18("6","3","6","3","2","5","1") = "5"
    & skf18("6","3","6","3","2","6","1") = "5"
    & skf18("6","3","6","3","2","7","1") = "6"
    & skf18("6","3","6","3","2","8","1") = "7"
    & skf18("6","3","6","3","2","9","1") = "8"
    & skf18("6","3","6","3","2","10","1") = "9"
    & skf18("6","3","6","3","3","1","1") = "5"
    & skf18("6","3","6","3","3","2","1") = "5"
    & skf18("6","3","6","3","3","3","1") = "5"
    & skf18("6","3","6","3","3","4","1") = "5"
    & skf18("6","3","6","3","3","5","1") = "5"
    & skf18("6","3","6","3","3","6","1") = "5"
    & skf18("6","3","6","3","3","7","1") = "6"
    & skf18("6","3","6","3","3","8","1") = "7"
    & skf18("6","3","6","3","3","9","1") = "8"
    & skf18("6","3","6","3","3","10","1") = "9"
    & skf18("6","3","6","3","4","1","1") = "5"
    & skf18("6","3","6","3","4","2","1") = "5"
    & skf18("6","3","6","3","4","3","1") = "5"
    & skf18("6","3","6","3","4","4","1") = "5"
    & skf18("6","3","6","3","4","5","1") = "5"
    & skf18("6","3","6","3","4","6","1") = "5"
    & skf18("6","3","6","3","4","7","1") = "6"
    & skf18("6","3","6","3","4","8","1") = "7"
    & skf18("6","3","6","3","4","9","1") = "8"
    & skf18("6","3","6","3","4","10","1") = "9"
    & skf18("6","3","6","3","5","1","1") = "5"
    & skf18("6","3","6","3","5","2","1") = "5"
    & skf18("6","3","6","3","5","3","1") = "5"
    & skf18("6","3","6","3","5","4","1") = "5"
    & skf18("6","3","6","3","5","5","1") = "5"
    & skf18("6","3","6","3","5","6","1") = "5"
    & skf18("6","3","6","3","5","7","1") = "6"
    & skf18("6","3","6","3","5","8","1") = "7"
    & skf18("6","3","6","3","5","9","1") = "8"
    & skf18("6","3","6","3","5","10","1") = "9"
    & skf18("6","3","6","3","6","1","1") = "5"
    & skf18("6","3","6","3","6","2","1") = "5"
    & skf18("6","3","6","3","6","3","1") = "5"
    & skf18("6","3","6","3","6","4","1") = "5"
    & skf18("6","3","6","3","6","5","1") = "5"
    & skf18("6","3","6","3","6","6","1") = "5"
    & skf18("6","3","6","3","6","7","1") = "6"
    & skf18("6","3","6","3","6","8","1") = "7"
    & skf18("6","3","6","3","6","9","1") = "8"
    & skf18("6","3","6","3","6","10","1") = "9"
    & skf18("6","3","6","3","7","1","1") = "6"
    & skf18("6","3","6","3","7","2","1") = "6"
    & skf18("6","3","6","3","7","3","1") = "6"
    & skf18("6","3","6","3","7","4","1") = "6"
    & skf18("6","3","6","3","7","5","1") = "6"
    & skf18("6","3","6","3","7","6","1") = "6"
    & skf18("6","3","6","3","7","7","1") = "6"
    & skf18("6","3","6","3","7","8","1") = "7"
    & skf18("6","3","6","3","7","9","1") = "8"
    & skf18("6","3","6","3","7","10","1") = "9"
    & skf18("6","3","6","3","8","1","1") = "7"
    & skf18("6","3","6","3","8","2","1") = "7"
    & skf18("6","3","6","3","8","3","1") = "7"
    & skf18("6","3","6","3","8","4","1") = "7"
    & skf18("6","3","6","3","8","5","1") = "7"
    & skf18("6","3","6","3","8","6","1") = "7"
    & skf18("6","3","6","3","8","7","1") = "7"
    & skf18("6","3","6","3","8","8","1") = "7"
    & skf18("6","3","6","3","8","9","1") = "8"
    & skf18("6","3","6","3","8","10","1") = "9"
    & skf18("6","3","6","3","9","1","1") = "8"
    & skf18("6","3","6","3","9","2","1") = "8"
    & skf18("6","3","6","3","9","3","1") = "8"
    & skf18("6","3","6","3","9","4","1") = "8"
    & skf18("6","3","6","3","9","5","1") = "8"
    & skf18("6","3","6","3","9","6","1") = "8"
    & skf18("6","3","6","3","9","7","1") = "8"
    & skf18("6","3","6","3","9","8","1") = "8"
    & skf18("6","3","6","3","9","9","1") = "8"
    & skf18("6","3","6","3","9","10","1") = "9"
    & skf18("6","3","6","3","10","1","1") = "9"
    & skf18("6","3","6","3","10","2","1") = "9"
    & skf18("6","3","6","3","10","3","1") = "9"
    & skf18("6","3","6","3","10","4","1") = "9"
    & skf18("6","3","6","3","10","5","1") = "9"
    & skf18("6","3","6","3","10","6","1") = "9"
    & skf18("6","3","6","3","10","7","1") = "9"
    & skf18("6","3","6","3","10","8","1") = "9"
    & skf18("6","3","6","3","10","9","1") = "9"
    & skf18("6","3","6","3","10","10","1") = "9"
    & skf18("6","3","6","4","1","1","1") = "5"
    & skf18("6","3","6","4","1","2","1") = "5"
    & skf18("6","3","6","4","1","3","1") = "5"
    & skf18("6","3","6","4","1","4","1") = "5"
    & skf18("6","3","6","4","1","5","1") = "5"
    & skf18("6","3","6","4","1","6","1") = "5"
    & skf18("6","3","6","4","1","7","1") = "6"
    & skf18("6","3","6","4","1","8","1") = "7"
    & skf18("6","3","6","4","1","9","1") = "8"
    & skf18("6","3","6","4","1","10","1") = "9"
    & skf18("6","3","6","4","2","1","1") = "5"
    & skf18("6","3","6","4","2","2","1") = "5"
    & skf18("6","3","6","4","2","3","1") = "5"
    & skf18("6","3","6","4","2","4","1") = "5"
    & skf18("6","3","6","4","2","5","1") = "5"
    & skf18("6","3","6","4","2","6","1") = "5"
    & skf18("6","3","6","4","2","7","1") = "6"
    & skf18("6","3","6","4","2","8","1") = "7"
    & skf18("6","3","6","4","2","9","1") = "8"
    & skf18("6","3","6","4","2","10","1") = "9"
    & skf18("6","3","6","4","3","1","1") = "5"
    & skf18("6","3","6","4","3","2","1") = "5"
    & skf18("6","3","6","4","3","3","1") = "5"
    & skf18("6","3","6","4","3","4","1") = "5"
    & skf18("6","3","6","4","3","5","1") = "5"
    & skf18("6","3","6","4","3","6","1") = "5"
    & skf18("6","3","6","4","3","7","1") = "6"
    & skf18("6","3","6","4","3","8","1") = "7"
    & skf18("6","3","6","4","3","9","1") = "8"
    & skf18("6","3","6","4","3","10","1") = "9"
    & skf18("6","3","6","4","4","1","1") = "5"
    & skf18("6","3","6","4","4","2","1") = "5"
    & skf18("6","3","6","4","4","3","1") = "5"
    & skf18("6","3","6","4","4","4","1") = "5"
    & skf18("6","3","6","4","4","5","1") = "5"
    & skf18("6","3","6","4","4","6","1") = "5"
    & skf18("6","3","6","4","4","7","1") = "6"
    & skf18("6","3","6","4","4","8","1") = "7"
    & skf18("6","3","6","4","4","9","1") = "8"
    & skf18("6","3","6","4","4","10","1") = "9"
    & skf18("6","3","6","4","5","1","1") = "5"
    & skf18("6","3","6","4","5","2","1") = "5"
    & skf18("6","3","6","4","5","3","1") = "5"
    & skf18("6","3","6","4","5","4","1") = "5"
    & skf18("6","3","6","4","5","5","1") = "5"
    & skf18("6","3","6","4","5","6","1") = "5"
    & skf18("6","3","6","4","5","7","1") = "6"
    & skf18("6","3","6","4","5","8","1") = "7"
    & skf18("6","3","6","4","5","9","1") = "8"
    & skf18("6","3","6","4","5","10","1") = "9"
    & skf18("6","3","6","4","6","1","1") = "5"
    & skf18("6","3","6","4","6","2","1") = "5"
    & skf18("6","3","6","4","6","3","1") = "5"
    & skf18("6","3","6","4","6","4","1") = "5"
    & skf18("6","3","6","4","6","5","1") = "5"
    & skf18("6","3","6","4","6","6","1") = "5"
    & skf18("6","3","6","4","6","7","1") = "6"
    & skf18("6","3","6","4","6","8","1") = "7"
    & skf18("6","3","6","4","6","9","1") = "8"
    & skf18("6","3","6","4","6","10","1") = "9"
    & skf18("6","3","6","4","7","1","1") = "6"
    & skf18("6","3","6","4","7","2","1") = "6"
    & skf18("6","3","6","4","7","3","1") = "6"
    & skf18("6","3","6","4","7","4","1") = "6"
    & skf18("6","3","6","4","7","5","1") = "6"
    & skf18("6","3","6","4","7","6","1") = "6"
    & skf18("6","3","6","4","7","7","1") = "6"
    & skf18("6","3","6","4","7","8","1") = "7"
    & skf18("6","3","6","4","7","9","1") = "8"
    & skf18("6","3","6","4","7","10","1") = "9"
    & skf18("6","3","6","4","8","1","1") = "7"
    & skf18("6","3","6","4","8","2","1") = "7"
    & skf18("6","3","6","4","8","3","1") = "7"
    & skf18("6","3","6","4","8","4","1") = "7"
    & skf18("6","3","6","4","8","5","1") = "7"
    & skf18("6","3","6","4","8","6","1") = "7"
    & skf18("6","3","6","4","8","7","1") = "7"
    & skf18("6","3","6","4","8","8","1") = "7"
    & skf18("6","3","6","4","8","9","1") = "8"
    & skf18("6","3","6","4","8","10","1") = "9"
    & skf18("6","3","6","4","9","1","1") = "8"
    & skf18("6","3","6","4","9","2","1") = "8"
    & skf18("6","3","6","4","9","3","1") = "8"
    & skf18("6","3","6","4","9","4","1") = "8"
    & skf18("6","3","6","4","9","5","1") = "8"
    & skf18("6","3","6","4","9","6","1") = "8"
    & skf18("6","3","6","4","9","7","1") = "8"
    & skf18("6","3","6","4","9","8","1") = "8"
    & skf18("6","3","6","4","9","9","1") = "8"
    & skf18("6","3","6","4","9","10","1") = "9"
    & skf18("6","3","6","4","10","1","1") = "9"
    & skf18("6","3","6","4","10","2","1") = "9"
    & skf18("6","3","6","4","10","3","1") = "9"
    & skf18("6","3","6","4","10","4","1") = "9"
    & skf18("6","3","6","4","10","5","1") = "9"
    & skf18("6","3","6","4","10","6","1") = "9"
    & skf18("6","3","6","4","10","7","1") = "9"
    & skf18("6","3","6","4","10","8","1") = "9"
    & skf18("6","3","6","4","10","9","1") = "9"
    & skf18("6","3","6","4","10","10","1") = "9"
    & skf18("6","3","6","5","1","1","1") = "5"
    & skf18("6","3","6","5","1","2","1") = "5"
    & skf18("6","3","6","5","1","3","1") = "5"
    & skf18("6","3","6","5","1","4","1") = "5"
    & skf18("6","3","6","5","1","5","1") = "5"
    & skf18("6","3","6","5","1","6","1") = "5"
    & skf18("6","3","6","5","1","7","1") = "6"
    & skf18("6","3","6","5","1","8","1") = "7"
    & skf18("6","3","6","5","1","9","1") = "8"
    & skf18("6","3","6","5","1","10","1") = "9"
    & skf18("6","3","6","5","2","1","1") = "5"
    & skf18("6","3","6","5","2","2","1") = "5"
    & skf18("6","3","6","5","2","3","1") = "5"
    & skf18("6","3","6","5","2","4","1") = "5"
    & skf18("6","3","6","5","2","5","1") = "5"
    & skf18("6","3","6","5","2","6","1") = "5"
    & skf18("6","3","6","5","2","7","1") = "6"
    & skf18("6","3","6","5","2","8","1") = "7"
    & skf18("6","3","6","5","2","9","1") = "8"
    & skf18("6","3","6","5","2","10","1") = "9"
    & skf18("6","3","6","5","3","1","1") = "5"
    & skf18("6","3","6","5","3","2","1") = "5"
    & skf18("6","3","6","5","3","3","1") = "5"
    & skf18("6","3","6","5","3","4","1") = "5"
    & skf18("6","3","6","5","3","5","1") = "5"
    & skf18("6","3","6","5","3","6","1") = "5"
    & skf18("6","3","6","5","3","7","1") = "6"
    & skf18("6","3","6","5","3","8","1") = "7"
    & skf18("6","3","6","5","3","9","1") = "8"
    & skf18("6","3","6","5","3","10","1") = "9"
    & skf18("6","3","6","5","4","1","1") = "5"
    & skf18("6","3","6","5","4","2","1") = "5"
    & skf18("6","3","6","5","4","3","1") = "5"
    & skf18("6","3","6","5","4","4","1") = "5"
    & skf18("6","3","6","5","4","5","1") = "5"
    & skf18("6","3","6","5","4","6","1") = "5"
    & skf18("6","3","6","5","4","7","1") = "6"
    & skf18("6","3","6","5","4","8","1") = "7"
    & skf18("6","3","6","5","4","9","1") = "8"
    & skf18("6","3","6","5","4","10","1") = "9"
    & skf18("6","3","6","5","5","1","1") = "5"
    & skf18("6","3","6","5","5","2","1") = "5"
    & skf18("6","3","6","5","5","3","1") = "5"
    & skf18("6","3","6","5","5","4","1") = "5"
    & skf18("6","3","6","5","5","5","1") = "5"
    & skf18("6","3","6","5","5","6","1") = "5"
    & skf18("6","3","6","5","5","7","1") = "6"
    & skf18("6","3","6","5","5","8","1") = "7"
    & skf18("6","3","6","5","5","9","1") = "8"
    & skf18("6","3","6","5","5","10","1") = "9"
    & skf18("6","3","6","5","6","1","1") = "5"
    & skf18("6","3","6","5","6","2","1") = "5"
    & skf18("6","3","6","5","6","3","1") = "5"
    & skf18("6","3","6","5","6","4","1") = "5"
    & skf18("6","3","6","5","6","5","1") = "5"
    & skf18("6","3","6","5","6","6","1") = "5"
    & skf18("6","3","6","5","6","7","1") = "6"
    & skf18("6","3","6","5","6","8","1") = "7"
    & skf18("6","3","6","5","6","9","1") = "8"
    & skf18("6","3","6","5","6","10","1") = "9"
    & skf18("6","3","6","5","7","1","1") = "6"
    & skf18("6","3","6","5","7","2","1") = "6"
    & skf18("6","3","6","5","7","3","1") = "6"
    & skf18("6","3","6","5","7","4","1") = "6"
    & skf18("6","3","6","5","7","5","1") = "6"
    & skf18("6","3","6","5","7","6","1") = "6"
    & skf18("6","3","6","5","7","7","1") = "6"
    & skf18("6","3","6","5","7","8","1") = "7"
    & skf18("6","3","6","5","7","9","1") = "8"
    & skf18("6","3","6","5","7","10","1") = "9"
    & skf18("6","3","6","5","8","1","1") = "7"
    & skf18("6","3","6","5","8","2","1") = "7"
    & skf18("6","3","6","5","8","3","1") = "7"
    & skf18("6","3","6","5","8","4","1") = "7"
    & skf18("6","3","6","5","8","5","1") = "7"
    & skf18("6","3","6","5","8","6","1") = "7"
    & skf18("6","3","6","5","8","7","1") = "7"
    & skf18("6","3","6","5","8","8","1") = "7"
    & skf18("6","3","6","5","8","9","1") = "8"
    & skf18("6","3","6","5","8","10","1") = "9"
    & skf18("6","3","6","5","9","1","1") = "8"
    & skf18("6","3","6","5","9","2","1") = "8"
    & skf18("6","3","6","5","9","3","1") = "8"
    & skf18("6","3","6","5","9","4","1") = "8"
    & skf18("6","3","6","5","9","5","1") = "8"
    & skf18("6","3","6","5","9","6","1") = "8"
    & skf18("6","3","6","5","9","7","1") = "8"
    & skf18("6","3","6","5","9","8","1") = "8"
    & skf18("6","3","6","5","9","9","1") = "8"
    & skf18("6","3","6","5","9","10","1") = "9"
    & skf18("6","3","6","5","10","1","1") = "9"
    & skf18("6","3","6","5","10","2","1") = "9"
    & skf18("6","3","6","5","10","3","1") = "9"
    & skf18("6","3","6","5","10","4","1") = "9"
    & skf18("6","3","6","5","10","5","1") = "9"
    & skf18("6","3","6","5","10","6","1") = "9"
    & skf18("6","3","6","5","10","7","1") = "9"
    & skf18("6","3","6","5","10","8","1") = "9"
    & skf18("6","3","6","5","10","9","1") = "9"
    & skf18("6","3","6","5","10","10","1") = "9"
    & skf18("6","3","6","6","1","1","1") = "5"
    & skf18("6","3","6","6","1","2","1") = "5"
    & skf18("6","3","6","6","1","3","1") = "5"
    & skf18("6","3","6","6","1","4","1") = "5"
    & skf18("6","3","6","6","1","5","1") = "5"
    & skf18("6","3","6","6","1","6","1") = "5"
    & skf18("6","3","6","6","1","7","1") = "6"
    & skf18("6","3","6","6","1","8","1") = "7"
    & skf18("6","3","6","6","1","9","1") = "8"
    & skf18("6","3","6","6","1","10","1") = "9"
    & skf18("6","3","6","6","2","1","1") = "5"
    & skf18("6","3","6","6","2","2","1") = "5"
    & skf18("6","3","6","6","2","3","1") = "5"
    & skf18("6","3","6","6","2","4","1") = "5"
    & skf18("6","3","6","6","2","5","1") = "5"
    & skf18("6","3","6","6","2","6","1") = "5"
    & skf18("6","3","6","6","2","7","1") = "6"
    & skf18("6","3","6","6","2","8","1") = "7"
    & skf18("6","3","6","6","2","9","1") = "8"
    & skf18("6","3","6","6","2","10","1") = "9"
    & skf18("6","3","6","6","3","1","1") = "5"
    & skf18("6","3","6","6","3","2","1") = "5"
    & skf18("6","3","6","6","3","3","1") = "5"
    & skf18("6","3","6","6","3","4","1") = "5"
    & skf18("6","3","6","6","3","5","1") = "5"
    & skf18("6","3","6","6","3","6","1") = "5"
    & skf18("6","3","6","6","3","7","1") = "6"
    & skf18("6","3","6","6","3","8","1") = "7"
    & skf18("6","3","6","6","3","9","1") = "8"
    & skf18("6","3","6","6","3","10","1") = "9"
    & skf18("6","3","6","6","4","1","1") = "5"
    & skf18("6","3","6","6","4","2","1") = "5"
    & skf18("6","3","6","6","4","3","1") = "5"
    & skf18("6","3","6","6","4","4","1") = "5"
    & skf18("6","3","6","6","4","5","1") = "5"
    & skf18("6","3","6","6","4","6","1") = "5"
    & skf18("6","3","6","6","4","7","1") = "6"
    & skf18("6","3","6","6","4","8","1") = "7"
    & skf18("6","3","6","6","4","9","1") = "8"
    & skf18("6","3","6","6","4","10","1") = "9"
    & skf18("6","3","6","6","5","1","1") = "5"
    & skf18("6","3","6","6","5","2","1") = "5"
    & skf18("6","3","6","6","5","3","1") = "5"
    & skf18("6","3","6","6","5","4","1") = "5"
    & skf18("6","3","6","6","5","5","1") = "5"
    & skf18("6","3","6","6","5","6","1") = "5"
    & skf18("6","3","6","6","5","7","1") = "6"
    & skf18("6","3","6","6","5","8","1") = "7"
    & skf18("6","3","6","6","5","9","1") = "8"
    & skf18("6","3","6","6","5","10","1") = "9"
    & skf18("6","3","6","6","6","1","1") = "5"
    & skf18("6","3","6","6","6","2","1") = "5"
    & skf18("6","3","6","6","6","3","1") = "5"
    & skf18("6","3","6","6","6","4","1") = "5"
    & skf18("6","3","6","6","6","5","1") = "5"
    & skf18("6","3","6","6","6","6","1") = "5"
    & skf18("6","3","6","6","6","7","1") = "6"
    & skf18("6","3","6","6","6","8","1") = "7"
    & skf18("6","3","6","6","6","9","1") = "8"
    & skf18("6","3","6","6","6","10","1") = "9"
    & skf18("6","3","6","6","7","1","1") = "6"
    & skf18("6","3","6","6","7","2","1") = "6"
    & skf18("6","3","6","6","7","3","1") = "6"
    & skf18("6","3","6","6","7","4","1") = "6"
    & skf18("6","3","6","6","7","5","1") = "6"
    & skf18("6","3","6","6","7","6","1") = "6"
    & skf18("6","3","6","6","7","7","1") = "6"
    & skf18("6","3","6","6","7","8","1") = "7"
    & skf18("6","3","6","6","7","9","1") = "8"
    & skf18("6","3","6","6","7","10","1") = "9"
    & skf18("6","3","6","6","8","1","1") = "7"
    & skf18("6","3","6","6","8","2","1") = "7"
    & skf18("6","3","6","6","8","3","1") = "7"
    & skf18("6","3","6","6","8","4","1") = "7"
    & skf18("6","3","6","6","8","5","1") = "7"
    & skf18("6","3","6","6","8","6","1") = "7"
    & skf18("6","3","6","6","8","7","1") = "7"
    & skf18("6","3","6","6","8","8","1") = "7"
    & skf18("6","3","6","6","8","9","1") = "8"
    & skf18("6","3","6","6","8","10","1") = "9"
    & skf18("6","3","6","6","9","1","1") = "8"
    & skf18("6","3","6","6","9","2","1") = "8"
    & skf18("6","3","6","6","9","3","1") = "8"
    & skf18("6","3","6","6","9","4","1") = "8"
    & skf18("6","3","6","6","9","5","1") = "8"
    & skf18("6","3","6","6","9","6","1") = "8"
    & skf18("6","3","6","6","9","7","1") = "8"
    & skf18("6","3","6","6","9","8","1") = "8"
    & skf18("6","3","6","6","9","9","1") = "8"
    & skf18("6","3","6","6","9","10","1") = "9"
    & skf18("6","3","6","6","10","1","1") = "9"
    & skf18("6","3","6","6","10","2","1") = "9"
    & skf18("6","3","6","6","10","3","1") = "9"
    & skf18("6","3","6","6","10","4","1") = "9"
    & skf18("6","3","6","6","10","5","1") = "9"
    & skf18("6","3","6","6","10","6","1") = "9"
    & skf18("6","3","6","6","10","7","1") = "9"
    & skf18("6","3","6","6","10","8","1") = "9"
    & skf18("6","3","6","6","10","9","1") = "9"
    & skf18("6","3","6","6","10","10","1") = "9"
    & skf18("6","3","6","7","1","1","1") = "6"
    & skf18("6","3","6","7","1","2","1") = "6"
    & skf18("6","3","6","7","1","3","1") = "6"
    & skf18("6","3","6","7","1","4","1") = "6"
    & skf18("6","3","6","7","1","5","1") = "6"
    & skf18("6","3","6","7","1","6","1") = "6"
    & skf18("6","3","6","7","1","7","1") = "6"
    & skf18("6","3","6","7","1","8","1") = "7"
    & skf18("6","3","6","7","1","9","1") = "8"
    & skf18("6","3","6","7","1","10","1") = "9"
    & skf18("6","3","6","7","2","1","1") = "6"
    & skf18("6","3","6","7","2","2","1") = "6"
    & skf18("6","3","6","7","2","3","1") = "6"
    & skf18("6","3","6","7","2","4","1") = "6"
    & skf18("6","3","6","7","2","5","1") = "6"
    & skf18("6","3","6","7","2","6","1") = "6"
    & skf18("6","3","6","7","2","7","1") = "6"
    & skf18("6","3","6","7","2","8","1") = "7"
    & skf18("6","3","6","7","2","9","1") = "8"
    & skf18("6","3","6","7","2","10","1") = "9"
    & skf18("6","3","6","7","3","1","1") = "6"
    & skf18("6","3","6","7","3","2","1") = "6"
    & skf18("6","3","6","7","3","3","1") = "6"
    & skf18("6","3","6","7","3","4","1") = "6"
    & skf18("6","3","6","7","3","5","1") = "6"
    & skf18("6","3","6","7","3","6","1") = "6"
    & skf18("6","3","6","7","3","7","1") = "6"
    & skf18("6","3","6","7","3","8","1") = "7"
    & skf18("6","3","6","7","3","9","1") = "8"
    & skf18("6","3","6","7","3","10","1") = "9"
    & skf18("6","3","6","7","4","1","1") = "6"
    & skf18("6","3","6","7","4","2","1") = "6"
    & skf18("6","3","6","7","4","3","1") = "6"
    & skf18("6","3","6","7","4","4","1") = "6"
    & skf18("6","3","6","7","4","5","1") = "6"
    & skf18("6","3","6","7","4","6","1") = "6"
    & skf18("6","3","6","7","4","7","1") = "6"
    & skf18("6","3","6","7","4","8","1") = "7"
    & skf18("6","3","6","7","4","9","1") = "8"
    & skf18("6","3","6","7","4","10","1") = "9"
    & skf18("6","3","6","7","5","1","1") = "6"
    & skf18("6","3","6","7","5","2","1") = "6"
    & skf18("6","3","6","7","5","3","1") = "6"
    & skf18("6","3","6","7","5","4","1") = "6"
    & skf18("6","3","6","7","5","5","1") = "6"
    & skf18("6","3","6","7","5","6","1") = "6"
    & skf18("6","3","6","7","5","7","1") = "6"
    & skf18("6","3","6","7","5","8","1") = "7"
    & skf18("6","3","6","7","5","9","1") = "8"
    & skf18("6","3","6","7","5","10","1") = "9"
    & skf18("6","3","6","7","6","1","1") = "6"
    & skf18("6","3","6","7","6","2","1") = "6"
    & skf18("6","3","6","7","6","3","1") = "6"
    & skf18("6","3","6","7","6","4","1") = "6"
    & skf18("6","3","6","7","6","5","1") = "6"
    & skf18("6","3","6","7","6","6","1") = "6"
    & skf18("6","3","6","7","6","7","1") = "6"
    & skf18("6","3","6","7","6","8","1") = "7"
    & skf18("6","3","6","7","6","9","1") = "8"
    & skf18("6","3","6","7","6","10","1") = "9"
    & skf18("6","3","6","7","7","1","1") = "6"
    & skf18("6","3","6","7","7","2","1") = "6"
    & skf18("6","3","6","7","7","3","1") = "6"
    & skf18("6","3","6","7","7","4","1") = "6"
    & skf18("6","3","6","7","7","5","1") = "6"
    & skf18("6","3","6","7","7","6","1") = "6"
    & skf18("6","3","6","7","7","7","1") = "6"
    & skf18("6","3","6","7","7","8","1") = "7"
    & skf18("6","3","6","7","7","9","1") = "8"
    & skf18("6","3","6","7","7","10","1") = "9"
    & skf18("6","3","6","7","8","1","1") = "7"
    & skf18("6","3","6","7","8","2","1") = "7"
    & skf18("6","3","6","7","8","3","1") = "7"
    & skf18("6","3","6","7","8","4","1") = "7"
    & skf18("6","3","6","7","8","5","1") = "7"
    & skf18("6","3","6","7","8","6","1") = "7"
    & skf18("6","3","6","7","8","7","1") = "7"
    & skf18("6","3","6","7","8","8","1") = "7"
    & skf18("6","3","6","7","8","9","1") = "8"
    & skf18("6","3","6","7","8","10","1") = "9"
    & skf18("6","3","6","7","9","1","1") = "8"
    & skf18("6","3","6","7","9","2","1") = "8"
    & skf18("6","3","6","7","9","3","1") = "8"
    & skf18("6","3","6","7","9","4","1") = "8"
    & skf18("6","3","6","7","9","5","1") = "8"
    & skf18("6","3","6","7","9","6","1") = "8"
    & skf18("6","3","6","7","9","7","1") = "8"
    & skf18("6","3","6","7","9","8","1") = "8"
    & skf18("6","3","6","7","9","9","1") = "8"
    & skf18("6","3","6","7","9","10","1") = "9"
    & skf18("6","3","6","7","10","1","1") = "9"
    & skf18("6","3","6","7","10","2","1") = "9"
    & skf18("6","3","6","7","10","3","1") = "9"
    & skf18("6","3","6","7","10","4","1") = "9"
    & skf18("6","3","6","7","10","5","1") = "9"
    & skf18("6","3","6","7","10","6","1") = "9"
    & skf18("6","3","6","7","10","7","1") = "9"
    & skf18("6","3","6","7","10","8","1") = "9"
    & skf18("6","3","6","7","10","9","1") = "9"
    & skf18("6","3","6","7","10","10","1") = "9"
    & skf18("6","3","6","8","1","1","1") = "7"
    & skf18("6","3","6","8","1","2","1") = "7"
    & skf18("6","3","6","8","1","3","1") = "7"
    & skf18("6","3","6","8","1","4","1") = "7"
    & skf18("6","3","6","8","1","5","1") = "7"
    & skf18("6","3","6","8","1","6","1") = "7"
    & skf18("6","3","6","8","1","7","1") = "7"
    & skf18("6","3","6","8","1","8","1") = "7"
    & skf18("6","3","6","8","1","9","1") = "8"
    & skf18("6","3","6","8","1","10","1") = "9"
    & skf18("6","3","6","8","2","1","1") = "7"
    & skf18("6","3","6","8","2","2","1") = "7"
    & skf18("6","3","6","8","2","3","1") = "7"
    & skf18("6","3","6","8","2","4","1") = "7"
    & skf18("6","3","6","8","2","5","1") = "7"
    & skf18("6","3","6","8","2","6","1") = "7"
    & skf18("6","3","6","8","2","7","1") = "7"
    & skf18("6","3","6","8","2","8","1") = "7"
    & skf18("6","3","6","8","2","9","1") = "8"
    & skf18("6","3","6","8","2","10","1") = "9"
    & skf18("6","3","6","8","3","1","1") = "7"
    & skf18("6","3","6","8","3","2","1") = "7"
    & skf18("6","3","6","8","3","3","1") = "7"
    & skf18("6","3","6","8","3","4","1") = "7"
    & skf18("6","3","6","8","3","5","1") = "7"
    & skf18("6","3","6","8","3","6","1") = "7"
    & skf18("6","3","6","8","3","7","1") = "7"
    & skf18("6","3","6","8","3","8","1") = "7"
    & skf18("6","3","6","8","3","9","1") = "8"
    & skf18("6","3","6","8","3","10","1") = "9"
    & skf18("6","3","6","8","4","1","1") = "7"
    & skf18("6","3","6","8","4","2","1") = "7"
    & skf18("6","3","6","8","4","3","1") = "7"
    & skf18("6","3","6","8","4","4","1") = "7"
    & skf18("6","3","6","8","4","5","1") = "7"
    & skf18("6","3","6","8","4","6","1") = "7"
    & skf18("6","3","6","8","4","7","1") = "7"
    & skf18("6","3","6","8","4","8","1") = "7"
    & skf18("6","3","6","8","4","9","1") = "8"
    & skf18("6","3","6","8","4","10","1") = "9"
    & skf18("6","3","6","8","5","1","1") = "7"
    & skf18("6","3","6","8","5","2","1") = "7"
    & skf18("6","3","6","8","5","3","1") = "7"
    & skf18("6","3","6","8","5","4","1") = "7"
    & skf18("6","3","6","8","5","5","1") = "7"
    & skf18("6","3","6","8","5","6","1") = "7"
    & skf18("6","3","6","8","5","7","1") = "7"
    & skf18("6","3","6","8","5","8","1") = "7"
    & skf18("6","3","6","8","5","9","1") = "8"
    & skf18("6","3","6","8","5","10","1") = "9"
    & skf18("6","3","6","8","6","1","1") = "7"
    & skf18("6","3","6","8","6","2","1") = "7"
    & skf18("6","3","6","8","6","3","1") = "7"
    & skf18("6","3","6","8","6","4","1") = "7"
    & skf18("6","3","6","8","6","5","1") = "7"
    & skf18("6","3","6","8","6","6","1") = "7"
    & skf18("6","3","6","8","6","7","1") = "7"
    & skf18("6","3","6","8","6","8","1") = "7"
    & skf18("6","3","6","8","6","9","1") = "8"
    & skf18("6","3","6","8","6","10","1") = "9"
    & skf18("6","3","6","8","7","1","1") = "7"
    & skf18("6","3","6","8","7","2","1") = "7"
    & skf18("6","3","6","8","7","3","1") = "7"
    & skf18("6","3","6","8","7","4","1") = "7"
    & skf18("6","3","6","8","7","5","1") = "7"
    & skf18("6","3","6","8","7","6","1") = "7"
    & skf18("6","3","6","8","7","7","1") = "7"
    & skf18("6","3","6","8","7","8","1") = "7"
    & skf18("6","3","6","8","7","9","1") = "8"
    & skf18("6","3","6","8","7","10","1") = "9"
    & skf18("6","3","6","8","8","1","1") = "7"
    & skf18("6","3","6","8","8","2","1") = "7"
    & skf18("6","3","6","8","8","3","1") = "7"
    & skf18("6","3","6","8","8","4","1") = "7"
    & skf18("6","3","6","8","8","5","1") = "7"
    & skf18("6","3","6","8","8","6","1") = "7"
    & skf18("6","3","6","8","8","7","1") = "7"
    & skf18("6","3","6","8","8","8","1") = "7"
    & skf18("6","3","6","8","8","9","1") = "8"
    & skf18("6","3","6","8","8","10","1") = "9"
    & skf18("6","3","6","8","9","1","1") = "8"
    & skf18("6","3","6","8","9","2","1") = "8"
    & skf18("6","3","6","8","9","3","1") = "8"
    & skf18("6","3","6","8","9","4","1") = "8"
    & skf18("6","3","6","8","9","5","1") = "8"
    & skf18("6","3","6","8","9","6","1") = "8"
    & skf18("6","3","6","8","9","7","1") = "8"
    & skf18("6","3","6","8","9","8","1") = "8"
    & skf18("6","3","6","8","9","9","1") = "8"
    & skf18("6","3","6","8","9","10","1") = "9"
    & skf18("6","3","6","8","10","1","1") = "9"
    & skf18("6","3","6","8","10","2","1") = "9"
    & skf18("6","3","6","8","10","3","1") = "9"
    & skf18("6","3","6","8","10","4","1") = "9"
    & skf18("6","3","6","8","10","5","1") = "9"
    & skf18("6","3","6","8","10","6","1") = "9"
    & skf18("6","3","6","8","10","7","1") = "9"
    & skf18("6","3","6","8","10","8","1") = "9"
    & skf18("6","3","6","8","10","9","1") = "9"
    & skf18("6","3","6","8","10","10","1") = "9"
    & skf18("6","3","6","9","1","1","1") = "8"
    & skf18("6","3","6","9","1","2","1") = "8"
    & skf18("6","3","6","9","1","3","1") = "8"
    & skf18("6","3","6","9","1","4","1") = "8"
    & skf18("6","3","6","9","1","5","1") = "8"
    & skf18("6","3","6","9","1","6","1") = "8"
    & skf18("6","3","6","9","1","7","1") = "8"
    & skf18("6","3","6","9","1","8","1") = "8"
    & skf18("6","3","6","9","1","9","1") = "8"
    & skf18("6","3","6","9","1","10","1") = "9"
    & skf18("6","3","6","9","2","1","1") = "8"
    & skf18("6","3","6","9","2","2","1") = "8"
    & skf18("6","3","6","9","2","3","1") = "8"
    & skf18("6","3","6","9","2","4","1") = "8"
    & skf18("6","3","6","9","2","5","1") = "8"
    & skf18("6","3","6","9","2","6","1") = "8"
    & skf18("6","3","6","9","2","7","1") = "8"
    & skf18("6","3","6","9","2","8","1") = "8"
    & skf18("6","3","6","9","2","9","1") = "8"
    & skf18("6","3","6","9","2","10","1") = "9"
    & skf18("6","3","6","9","3","1","1") = "8"
    & skf18("6","3","6","9","3","2","1") = "8"
    & skf18("6","3","6","9","3","3","1") = "8"
    & skf18("6","3","6","9","3","4","1") = "8"
    & skf18("6","3","6","9","3","5","1") = "8"
    & skf18("6","3","6","9","3","6","1") = "8"
    & skf18("6","3","6","9","3","7","1") = "8"
    & skf18("6","3","6","9","3","8","1") = "8"
    & skf18("6","3","6","9","3","9","1") = "8"
    & skf18("6","3","6","9","3","10","1") = "9"
    & skf18("6","3","6","9","4","1","1") = "8"
    & skf18("6","3","6","9","4","2","1") = "8"
    & skf18("6","3","6","9","4","3","1") = "8"
    & skf18("6","3","6","9","4","4","1") = "8"
    & skf18("6","3","6","9","4","5","1") = "8"
    & skf18("6","3","6","9","4","6","1") = "8"
    & skf18("6","3","6","9","4","7","1") = "8"
    & skf18("6","3","6","9","4","8","1") = "8"
    & skf18("6","3","6","9","4","9","1") = "8"
    & skf18("6","3","6","9","4","10","1") = "9"
    & skf18("6","3","6","9","5","1","1") = "8"
    & skf18("6","3","6","9","5","2","1") = "8"
    & skf18("6","3","6","9","5","3","1") = "8"
    & skf18("6","3","6","9","5","4","1") = "8"
    & skf18("6","3","6","9","5","5","1") = "8"
    & skf18("6","3","6","9","5","6","1") = "8"
    & skf18("6","3","6","9","5","7","1") = "8"
    & skf18("6","3","6","9","5","8","1") = "8"
    & skf18("6","3","6","9","5","9","1") = "8"
    & skf18("6","3","6","9","5","10","1") = "9"
    & skf18("6","3","6","9","6","1","1") = "8"
    & skf18("6","3","6","9","6","2","1") = "8"
    & skf18("6","3","6","9","6","3","1") = "8"
    & skf18("6","3","6","9","6","4","1") = "8"
    & skf18("6","3","6","9","6","5","1") = "8"
    & skf18("6","3","6","9","6","6","1") = "8"
    & skf18("6","3","6","9","6","7","1") = "8"
    & skf18("6","3","6","9","6","8","1") = "8"
    & skf18("6","3","6","9","6","9","1") = "8"
    & skf18("6","3","6","9","6","10","1") = "9"
    & skf18("6","3","6","9","7","1","1") = "8"
    & skf18("6","3","6","9","7","2","1") = "8"
    & skf18("6","3","6","9","7","3","1") = "8"
    & skf18("6","3","6","9","7","4","1") = "8"
    & skf18("6","3","6","9","7","5","1") = "8"
    & skf18("6","3","6","9","7","6","1") = "8"
    & skf18("6","3","6","9","7","7","1") = "8"
    & skf18("6","3","6","9","7","8","1") = "8"
    & skf18("6","3","6","9","7","9","1") = "8"
    & skf18("6","3","6","9","7","10","1") = "9"
    & skf18("6","3","6","9","8","1","1") = "8"
    & skf18("6","3","6","9","8","2","1") = "8"
    & skf18("6","3","6","9","8","3","1") = "8"
    & skf18("6","3","6","9","8","4","1") = "8"
    & skf18("6","3","6","9","8","5","1") = "8"
    & skf18("6","3","6","9","8","6","1") = "8"
    & skf18("6","3","6","9","8","7","1") = "8"
    & skf18("6","3","6","9","8","8","1") = "8"
    & skf18("6","3","6","9","8","9","1") = "8"
    & skf18("6","3","6","9","8","10","1") = "9"
    & skf18("6","3","6","9","9","1","1") = "8"
    & skf18("6","3","6","9","9","2","1") = "8"
    & skf18("6","3","6","9","9","3","1") = "8"
    & skf18("6","3","6","9","9","4","1") = "8"
    & skf18("6","3","6","9","9","5","1") = "8"
    & skf18("6","3","6","9","9","6","1") = "8"
    & skf18("6","3","6","9","9","7","1") = "8"
    & skf18("6","3","6","9","9","8","1") = "8"
    & skf18("6","3","6","9","9","9","1") = "8"
    & skf18("6","3","6","9","9","10","1") = "9"
    & skf18("6","3","6","9","10","1","1") = "9"
    & skf18("6","3","6","9","10","2","1") = "9"
    & skf18("6","3","6","9","10","3","1") = "9"
    & skf18("6","3","6","9","10","4","1") = "9"
    & skf18("6","3","6","9","10","5","1") = "9"
    & skf18("6","3","6","9","10","6","1") = "9"
    & skf18("6","3","6","9","10","7","1") = "9"
    & skf18("6","3","6","9","10","8","1") = "9"
    & skf18("6","3","6","9","10","9","1") = "9"
    & skf18("6","3","6","9","10","10","1") = "9"
    & skf18("6","3","6","10","1","1","1") = "9"
    & skf18("6","3","6","10","1","2","1") = "9"
    & skf18("6","3","6","10","1","3","1") = "9"
    & skf18("6","3","6","10","1","4","1") = "9"
    & skf18("6","3","6","10","1","5","1") = "9"
    & skf18("6","3","6","10","1","6","1") = "9"
    & skf18("6","3","6","10","1","7","1") = "9"
    & skf18("6","3","6","10","1","8","1") = "9"
    & skf18("6","3","6","10","1","9","1") = "9"
    & skf18("6","3","6","10","1","10","1") = "9"
    & skf18("6","3","6","10","2","1","1") = "9"
    & skf18("6","3","6","10","2","2","1") = "9"
    & skf18("6","3","6","10","2","3","1") = "9"
    & skf18("6","3","6","10","2","4","1") = "9"
    & skf18("6","3","6","10","2","5","1") = "9"
    & skf18("6","3","6","10","2","6","1") = "9"
    & skf18("6","3","6","10","2","7","1") = "9"
    & skf18("6","3","6","10","2","8","1") = "9"
    & skf18("6","3","6","10","2","9","1") = "9"
    & skf18("6","3","6","10","2","10","1") = "9"
    & skf18("6","3","6","10","3","1","1") = "9"
    & skf18("6","3","6","10","3","2","1") = "9"
    & skf18("6","3","6","10","3","3","1") = "9"
    & skf18("6","3","6","10","3","4","1") = "9"
    & skf18("6","3","6","10","3","5","1") = "9"
    & skf18("6","3","6","10","3","6","1") = "9"
    & skf18("6","3","6","10","3","7","1") = "9"
    & skf18("6","3","6","10","3","8","1") = "9"
    & skf18("6","3","6","10","3","9","1") = "9"
    & skf18("6","3","6","10","3","10","1") = "9"
    & skf18("6","3","6","10","4","1","1") = "9"
    & skf18("6","3","6","10","4","2","1") = "9"
    & skf18("6","3","6","10","4","3","1") = "9"
    & skf18("6","3","6","10","4","4","1") = "9"
    & skf18("6","3","6","10","4","5","1") = "9"
    & skf18("6","3","6","10","4","6","1") = "9"
    & skf18("6","3","6","10","4","7","1") = "9"
    & skf18("6","3","6","10","4","8","1") = "9"
    & skf18("6","3","6","10","4","9","1") = "9"
    & skf18("6","3","6","10","4","10","1") = "9"
    & skf18("6","3","6","10","5","1","1") = "9"
    & skf18("6","3","6","10","5","2","1") = "9"
    & skf18("6","3","6","10","5","3","1") = "9"
    & skf18("6","3","6","10","5","4","1") = "9"
    & skf18("6","3","6","10","5","5","1") = "9"
    & skf18("6","3","6","10","5","6","1") = "9"
    & skf18("6","3","6","10","5","7","1") = "9"
    & skf18("6","3","6","10","5","8","1") = "9"
    & skf18("6","3","6","10","5","9","1") = "9"
    & skf18("6","3","6","10","5","10","1") = "9"
    & skf18("6","3","6","10","6","1","1") = "9"
    & skf18("6","3","6","10","6","2","1") = "9"
    & skf18("6","3","6","10","6","3","1") = "9"
    & skf18("6","3","6","10","6","4","1") = "9"
    & skf18("6","3","6","10","6","5","1") = "9"
    & skf18("6","3","6","10","6","6","1") = "9"
    & skf18("6","3","6","10","6","7","1") = "9"
    & skf18("6","3","6","10","6","8","1") = "9"
    & skf18("6","3","6","10","6","9","1") = "9"
    & skf18("6","3","6","10","6","10","1") = "9"
    & skf18("6","3","6","10","7","1","1") = "9"
    & skf18("6","3","6","10","7","2","1") = "9"
    & skf18("6","3","6","10","7","3","1") = "9"
    & skf18("6","3","6","10","7","4","1") = "9"
    & skf18("6","3","6","10","7","5","1") = "9"
    & skf18("6","3","6","10","7","6","1") = "9"
    & skf18("6","3","6","10","7","7","1") = "9"
    & skf18("6","3","6","10","7","8","1") = "9"
    & skf18("6","3","6","10","7","9","1") = "9"
    & skf18("6","3","6","10","7","10","1") = "9"
    & skf18("6","3","6","10","8","1","1") = "9"
    & skf18("6","3","6","10","8","2","1") = "9"
    & skf18("6","3","6","10","8","3","1") = "9"
    & skf18("6","3","6","10","8","4","1") = "9"
    & skf18("6","3","6","10","8","5","1") = "9"
    & skf18("6","3","6","10","8","6","1") = "9"
    & skf18("6","3","6","10","8","7","1") = "9"
    & skf18("6","3","6","10","8","8","1") = "9"
    & skf18("6","3","6","10","8","9","1") = "9"
    & skf18("6","3","6","10","8","10","1") = "9"
    & skf18("6","3","6","10","9","1","1") = "9"
    & skf18("6","3","6","10","9","2","1") = "9"
    & skf18("6","3","6","10","9","3","1") = "9"
    & skf18("6","3","6","10","9","4","1") = "9"
    & skf18("6","3","6","10","9","5","1") = "9"
    & skf18("6","3","6","10","9","6","1") = "9"
    & skf18("6","3","6","10","9","7","1") = "9"
    & skf18("6","3","6","10","9","8","1") = "9"
    & skf18("6","3","6","10","9","9","1") = "9"
    & skf18("6","3","6","10","9","10","1") = "9"
    & skf18("6","3","6","10","10","1","1") = "9"
    & skf18("6","3","6","10","10","2","1") = "9"
    & skf18("6","3","6","10","10","3","1") = "9"
    & skf18("6","3","6","10","10","4","1") = "9"
    & skf18("6","3","6","10","10","5","1") = "9"
    & skf18("6","3","6","10","10","6","1") = "9"
    & skf18("6","3","6","10","10","7","1") = "9"
    & skf18("6","3","6","10","10","8","1") = "9"
    & skf18("6","3","6","10","10","9","1") = "9"
    & skf18("6","3","6","10","10","10","1") = "9"
    & skf18("6","3","7","1","1","1","1") = "6"
    & skf18("6","3","7","1","1","2","1") = "6"
    & skf18("6","3","7","1","1","3","1") = "6"
    & skf18("6","3","7","1","1","4","1") = "6"
    & skf18("6","3","7","1","1","5","1") = "6"
    & skf18("6","3","7","1","1","6","1") = "6"
    & skf18("6","3","7","1","1","7","1") = "6"
    & skf18("6","3","7","1","1","8","1") = "7"
    & skf18("6","3","7","1","1","9","1") = "8"
    & skf18("6","3","7","1","1","10","1") = "9"
    & skf18("6","3","7","1","2","1","1") = "6"
    & skf18("6","3","7","1","2","2","1") = "6"
    & skf18("6","3","7","1","2","3","1") = "6"
    & skf18("6","3","7","1","2","4","1") = "6"
    & skf18("6","3","7","1","2","5","1") = "6"
    & skf18("6","3","7","1","2","6","1") = "6"
    & skf18("6","3","7","1","2","7","1") = "6"
    & skf18("6","3","7","1","2","8","1") = "7"
    & skf18("6","3","7","1","2","9","1") = "8"
    & skf18("6","3","7","1","2","10","1") = "9"
    & skf18("6","3","7","1","3","1","1") = "6"
    & skf18("6","3","7","1","3","2","1") = "6"
    & skf18("6","3","7","1","3","3","1") = "6"
    & skf18("6","3","7","1","3","4","1") = "6"
    & skf18("6","3","7","1","3","5","1") = "6"
    & skf18("6","3","7","1","3","6","1") = "6"
    & skf18("6","3","7","1","3","7","1") = "6"
    & skf18("6","3","7","1","3","8","1") = "7"
    & skf18("6","3","7","1","3","9","1") = "8"
    & skf18("6","3","7","1","3","10","1") = "9"
    & skf18("6","3","7","1","4","1","1") = "6"
    & skf18("6","3","7","1","4","2","1") = "6"
    & skf18("6","3","7","1","4","3","1") = "6"
    & skf18("6","3","7","1","4","4","1") = "6"
    & skf18("6","3","7","1","4","5","1") = "6"
    & skf18("6","3","7","1","4","6","1") = "6"
    & skf18("6","3","7","1","4","7","1") = "6"
    & skf18("6","3","7","1","4","8","1") = "7"
    & skf18("6","3","7","1","4","9","1") = "8"
    & skf18("6","3","7","1","4","10","1") = "9"
    & skf18("6","3","7","1","5","1","1") = "6"
    & skf18("6","3","7","1","5","2","1") = "6"
    & skf18("6","3","7","1","5","3","1") = "6"
    & skf18("6","3","7","1","5","4","1") = "6"
    & skf18("6","3","7","1","5","5","1") = "6"
    & skf18("6","3","7","1","5","6","1") = "6"
    & skf18("6","3","7","1","5","7","1") = "6"
    & skf18("6","3","7","1","5","8","1") = "7"
    & skf18("6","3","7","1","5","9","1") = "8"
    & skf18("6","3","7","1","5","10","1") = "9"
    & skf18("6","3","7","1","6","1","1") = "6"
    & skf18("6","3","7","1","6","2","1") = "6"
    & skf18("6","3","7","1","6","3","1") = "6"
    & skf18("6","3","7","1","6","4","1") = "6"
    & skf18("6","3","7","1","6","5","1") = "6"
    & skf18("6","3","7","1","6","6","1") = "6"
    & skf18("6","3","7","1","6","7","1") = "6"
    & skf18("6","3","7","1","6","8","1") = "7"
    & skf18("6","3","7","1","6","9","1") = "8"
    & skf18("6","3","7","1","6","10","1") = "9"
    & skf18("6","3","7","1","7","1","1") = "6"
    & skf18("6","3","7","1","7","2","1") = "6"
    & skf18("6","3","7","1","7","3","1") = "6"
    & skf18("6","3","7","1","7","4","1") = "6"
    & skf18("6","3","7","1","7","5","1") = "6"
    & skf18("6","3","7","1","7","6","1") = "6"
    & skf18("6","3","7","1","7","7","1") = "6"
    & skf18("6","3","7","1","7","8","1") = "7"
    & skf18("6","3","7","1","7","9","1") = "8"
    & skf18("6","3","7","1","7","10","1") = "9"
    & skf18("6","3","7","1","8","1","1") = "7"
    & skf18("6","3","7","1","8","2","1") = "7"
    & skf18("6","3","7","1","8","3","1") = "7"
    & skf18("6","3","7","1","8","4","1") = "7"
    & skf18("6","3","7","1","8","5","1") = "7"
    & skf18("6","3","7","1","8","6","1") = "7"
    & skf18("6","3","7","1","8","7","1") = "7"
    & skf18("6","3","7","1","8","8","1") = "7"
    & skf18("6","3","7","1","8","9","1") = "8"
    & skf18("6","3","7","1","8","10","1") = "9"
    & skf18("6","3","7","1","9","1","1") = "8"
    & skf18("6","3","7","1","9","2","1") = "8"
    & skf18("6","3","7","1","9","3","1") = "8"
    & skf18("6","3","7","1","9","4","1") = "8"
    & skf18("6","3","7","1","9","5","1") = "8"
    & skf18("6","3","7","1","9","6","1") = "8"
    & skf18("6","3","7","1","9","7","1") = "8"
    & skf18("6","3","7","1","9","8","1") = "8"
    & skf18("6","3","7","1","9","9","1") = "8"
    & skf18("6","3","7","1","9","10","1") = "9"
    & skf18("6","3","7","1","10","1","1") = "9"
    & skf18("6","3","7","1","10","2","1") = "9"
    & skf18("6","3","7","1","10","3","1") = "9"
    & skf18("6","3","7","1","10","4","1") = "9"
    & skf18("6","3","7","1","10","5","1") = "9"
    & skf18("6","3","7","1","10","6","1") = "9"
    & skf18("6","3","7","1","10","7","1") = "9"
    & skf18("6","3","7","1","10","8","1") = "9"
    & skf18("6","3","7","1","10","9","1") = "9"
    & skf18("6","3","7","1","10","10","1") = "9"
    & skf18("6","3","7","2","1","1","1") = "6"
    & skf18("6","3","7","2","1","2","1") = "6"
    & skf18("6","3","7","2","1","3","1") = "6"
    & skf18("6","3","7","2","1","4","1") = "6"
    & skf18("6","3","7","2","1","5","1") = "6"
    & skf18("6","3","7","2","1","6","1") = "6"
    & skf18("6","3","7","2","1","7","1") = "6"
    & skf18("6","3","7","2","1","8","1") = "7"
    & skf18("6","3","7","2","1","9","1") = "8"
    & skf18("6","3","7","2","1","10","1") = "9"
    & skf18("6","3","7","2","2","1","1") = "6"
    & skf18("6","3","7","2","2","2","1") = "6"
    & skf18("6","3","7","2","2","3","1") = "6"
    & skf18("6","3","7","2","2","4","1") = "6"
    & skf18("6","3","7","2","2","5","1") = "6"
    & skf18("6","3","7","2","2","6","1") = "6"
    & skf18("6","3","7","2","2","7","1") = "6"
    & skf18("6","3","7","2","2","8","1") = "7"
    & skf18("6","3","7","2","2","9","1") = "8"
    & skf18("6","3","7","2","2","10","1") = "9"
    & skf18("6","3","7","2","3","1","1") = "6"
    & skf18("6","3","7","2","3","2","1") = "6"
    & skf18("6","3","7","2","3","3","1") = "6"
    & skf18("6","3","7","2","3","4","1") = "6"
    & skf18("6","3","7","2","3","5","1") = "6"
    & skf18("6","3","7","2","3","6","1") = "6"
    & skf18("6","3","7","2","3","7","1") = "6"
    & skf18("6","3","7","2","3","8","1") = "7"
    & skf18("6","3","7","2","3","9","1") = "8"
    & skf18("6","3","7","2","3","10","1") = "9"
    & skf18("6","3","7","2","4","1","1") = "6"
    & skf18("6","3","7","2","4","2","1") = "6"
    & skf18("6","3","7","2","4","3","1") = "6"
    & skf18("6","3","7","2","4","4","1") = "6"
    & skf18("6","3","7","2","4","5","1") = "6"
    & skf18("6","3","7","2","4","6","1") = "6"
    & skf18("6","3","7","2","4","7","1") = "6"
    & skf18("6","3","7","2","4","8","1") = "7"
    & skf18("6","3","7","2","4","9","1") = "8"
    & skf18("6","3","7","2","4","10","1") = "9"
    & skf18("6","3","7","2","5","1","1") = "6"
    & skf18("6","3","7","2","5","2","1") = "6"
    & skf18("6","3","7","2","5","3","1") = "6"
    & skf18("6","3","7","2","5","4","1") = "6"
    & skf18("6","3","7","2","5","5","1") = "6"
    & skf18("6","3","7","2","5","6","1") = "6"
    & skf18("6","3","7","2","5","7","1") = "6"
    & skf18("6","3","7","2","5","8","1") = "7"
    & skf18("6","3","7","2","5","9","1") = "8"
    & skf18("6","3","7","2","5","10","1") = "9"
    & skf18("6","3","7","2","6","1","1") = "6"
    & skf18("6","3","7","2","6","2","1") = "6"
    & skf18("6","3","7","2","6","3","1") = "6"
    & skf18("6","3","7","2","6","4","1") = "6"
    & skf18("6","3","7","2","6","5","1") = "6"
    & skf18("6","3","7","2","6","6","1") = "6"
    & skf18("6","3","7","2","6","7","1") = "6"
    & skf18("6","3","7","2","6","8","1") = "7"
    & skf18("6","3","7","2","6","9","1") = "8"
    & skf18("6","3","7","2","6","10","1") = "9"
    & skf18("6","3","7","2","7","1","1") = "6"
    & skf18("6","3","7","2","7","2","1") = "6"
    & skf18("6","3","7","2","7","3","1") = "6"
    & skf18("6","3","7","2","7","4","1") = "6"
    & skf18("6","3","7","2","7","5","1") = "6"
    & skf18("6","3","7","2","7","6","1") = "6"
    & skf18("6","3","7","2","7","7","1") = "6"
    & skf18("6","3","7","2","7","8","1") = "7"
    & skf18("6","3","7","2","7","9","1") = "8"
    & skf18("6","3","7","2","7","10","1") = "9"
    & skf18("6","3","7","2","8","1","1") = "7"
    & skf18("6","3","7","2","8","2","1") = "7"
    & skf18("6","3","7","2","8","3","1") = "7"
    & skf18("6","3","7","2","8","4","1") = "7"
    & skf18("6","3","7","2","8","5","1") = "7"
    & skf18("6","3","7","2","8","6","1") = "7"
    & skf18("6","3","7","2","8","7","1") = "7"
    & skf18("6","3","7","2","8","8","1") = "7"
    & skf18("6","3","7","2","8","9","1") = "8"
    & skf18("6","3","7","2","8","10","1") = "9"
    & skf18("6","3","7","2","9","1","1") = "8"
    & skf18("6","3","7","2","9","2","1") = "8"
    & skf18("6","3","7","2","9","3","1") = "8"
    & skf18("6","3","7","2","9","4","1") = "8"
    & skf18("6","3","7","2","9","5","1") = "8"
    & skf18("6","3","7","2","9","6","1") = "8"
    & skf18("6","3","7","2","9","7","1") = "8"
    & skf18("6","3","7","2","9","8","1") = "8"
    & skf18("6","3","7","2","9","9","1") = "8"
    & skf18("6","3","7","2","9","10","1") = "9"
    & skf18("6","3","7","2","10","1","1") = "9"
    & skf18("6","3","7","2","10","2","1") = "9"
    & skf18("6","3","7","2","10","3","1") = "9"
    & skf18("6","3","7","2","10","4","1") = "9"
    & skf18("6","3","7","2","10","5","1") = "9"
    & skf18("6","3","7","2","10","6","1") = "9"
    & skf18("6","3","7","2","10","7","1") = "9"
    & skf18("6","3","7","2","10","8","1") = "9"
    & skf18("6","3","7","2","10","9","1") = "9"
    & skf18("6","3","7","2","10","10","1") = "9"
    & skf18("6","3","7","3","1","1","1") = "6"
    & skf18("6","3","7","3","1","2","1") = "6"
    & skf18("6","3","7","3","1","3","1") = "6"
    & skf18("6","3","7","3","1","4","1") = "6"
    & skf18("6","3","7","3","1","5","1") = "6"
    & skf18("6","3","7","3","1","6","1") = "6"
    & skf18("6","3","7","3","1","7","1") = "6"
    & skf18("6","3","7","3","1","8","1") = "7"
    & skf18("6","3","7","3","1","9","1") = "8"
    & skf18("6","3","7","3","1","10","1") = "9"
    & skf18("6","3","7","3","2","1","1") = "6"
    & skf18("6","3","7","3","2","2","1") = "6"
    & skf18("6","3","7","3","2","3","1") = "6"
    & skf18("6","3","7","3","2","4","1") = "6"
    & skf18("6","3","7","3","2","5","1") = "6"
    & skf18("6","3","7","3","2","6","1") = "6"
    & skf18("6","3","7","3","2","7","1") = "6"
    & skf18("6","3","7","3","2","8","1") = "7"
    & skf18("6","3","7","3","2","9","1") = "8"
    & skf18("6","3","7","3","2","10","1") = "9"
    & skf18("6","3","7","3","3","1","1") = "6"
    & skf18("6","3","7","3","3","2","1") = "6"
    & skf18("6","3","7","3","3","3","1") = "6"
    & skf18("6","3","7","3","3","4","1") = "6"
    & skf18("6","3","7","3","3","5","1") = "6"
    & skf18("6","3","7","3","3","6","1") = "6"
    & skf18("6","3","7","3","3","7","1") = "6"
    & skf18("6","3","7","3","3","8","1") = "7"
    & skf18("6","3","7","3","3","9","1") = "8"
    & skf18("6","3","7","3","3","10","1") = "9"
    & skf18("6","3","7","3","4","1","1") = "6"
    & skf18("6","3","7","3","4","2","1") = "6"
    & skf18("6","3","7","3","4","3","1") = "6"
    & skf18("6","3","7","3","4","4","1") = "6"
    & skf18("6","3","7","3","4","5","1") = "6"
    & skf18("6","3","7","3","4","6","1") = "6"
    & skf18("6","3","7","3","4","7","1") = "6"
    & skf18("6","3","7","3","4","8","1") = "7"
    & skf18("6","3","7","3","4","9","1") = "8"
    & skf18("6","3","7","3","4","10","1") = "9"
    & skf18("6","3","7","3","5","1","1") = "6"
    & skf18("6","3","7","3","5","2","1") = "6"
    & skf18("6","3","7","3","5","3","1") = "6"
    & skf18("6","3","7","3","5","4","1") = "6"
    & skf18("6","3","7","3","5","5","1") = "6"
    & skf18("6","3","7","3","5","6","1") = "6"
    & skf18("6","3","7","3","5","7","1") = "6"
    & skf18("6","3","7","3","5","8","1") = "7"
    & skf18("6","3","7","3","5","9","1") = "8"
    & skf18("6","3","7","3","5","10","1") = "9"
    & skf18("6","3","7","3","6","1","1") = "6"
    & skf18("6","3","7","3","6","2","1") = "6"
    & skf18("6","3","7","3","6","3","1") = "6"
    & skf18("6","3","7","3","6","4","1") = "6"
    & skf18("6","3","7","3","6","5","1") = "6"
    & skf18("6","3","7","3","6","6","1") = "6"
    & skf18("6","3","7","3","6","7","1") = "6"
    & skf18("6","3","7","3","6","8","1") = "7"
    & skf18("6","3","7","3","6","9","1") = "8"
    & skf18("6","3","7","3","6","10","1") = "9"
    & skf18("6","3","7","3","7","1","1") = "6"
    & skf18("6","3","7","3","7","2","1") = "6"
    & skf18("6","3","7","3","7","3","1") = "6"
    & skf18("6","3","7","3","7","4","1") = "6"
    & skf18("6","3","7","3","7","5","1") = "6"
    & skf18("6","3","7","3","7","6","1") = "6"
    & skf18("6","3","7","3","7","7","1") = "6"
    & skf18("6","3","7","3","7","8","1") = "7"
    & skf18("6","3","7","3","7","9","1") = "8"
    & skf18("6","3","7","3","7","10","1") = "9"
    & skf18("6","3","7","3","8","1","1") = "7"
    & skf18("6","3","7","3","8","2","1") = "7"
    & skf18("6","3","7","3","8","3","1") = "7"
    & skf18("6","3","7","3","8","4","1") = "7"
    & skf18("6","3","7","3","8","5","1") = "7"
    & skf18("6","3","7","3","8","6","1") = "7"
    & skf18("6","3","7","3","8","7","1") = "7"
    & skf18("6","3","7","3","8","8","1") = "7"
    & skf18("6","3","7","3","8","9","1") = "8"
    & skf18("6","3","7","3","8","10","1") = "9"
    & skf18("6","3","7","3","9","1","1") = "8"
    & skf18("6","3","7","3","9","2","1") = "8"
    & skf18("6","3","7","3","9","3","1") = "8"
    & skf18("6","3","7","3","9","4","1") = "8"
    & skf18("6","3","7","3","9","5","1") = "8"
    & skf18("6","3","7","3","9","6","1") = "8"
    & skf18("6","3","7","3","9","7","1") = "8"
    & skf18("6","3","7","3","9","8","1") = "8"
    & skf18("6","3","7","3","9","9","1") = "8"
    & skf18("6","3","7","3","9","10","1") = "9"
    & skf18("6","3","7","3","10","1","1") = "9"
    & skf18("6","3","7","3","10","2","1") = "9"
    & skf18("6","3","7","3","10","3","1") = "9"
    & skf18("6","3","7","3","10","4","1") = "9"
    & skf18("6","3","7","3","10","5","1") = "9"
    & skf18("6","3","7","3","10","6","1") = "9"
    & skf18("6","3","7","3","10","7","1") = "9"
    & skf18("6","3","7","3","10","8","1") = "9"
    & skf18("6","3","7","3","10","9","1") = "9"
    & skf18("6","3","7","3","10","10","1") = "9"
    & skf18("6","3","7","4","1","1","1") = "6"
    & skf18("6","3","7","4","1","2","1") = "6"
    & skf18("6","3","7","4","1","3","1") = "6"
    & skf18("6","3","7","4","1","4","1") = "6"
    & skf18("6","3","7","4","1","5","1") = "6"
    & skf18("6","3","7","4","1","6","1") = "6"
    & skf18("6","3","7","4","1","7","1") = "6"
    & skf18("6","3","7","4","1","8","1") = "7"
    & skf18("6","3","7","4","1","9","1") = "8"
    & skf18("6","3","7","4","1","10","1") = "9"
    & skf18("6","3","7","4","2","1","1") = "6"
    & skf18("6","3","7","4","2","2","1") = "6"
    & skf18("6","3","7","4","2","3","1") = "6"
    & skf18("6","3","7","4","2","4","1") = "6"
    & skf18("6","3","7","4","2","5","1") = "6"
    & skf18("6","3","7","4","2","6","1") = "6"
    & skf18("6","3","7","4","2","7","1") = "6"
    & skf18("6","3","7","4","2","8","1") = "7"
    & skf18("6","3","7","4","2","9","1") = "8"
    & skf18("6","3","7","4","2","10","1") = "9"
    & skf18("6","3","7","4","3","1","1") = "6"
    & skf18("6","3","7","4","3","2","1") = "6"
    & skf18("6","3","7","4","3","3","1") = "6"
    & skf18("6","3","7","4","3","4","1") = "6"
    & skf18("6","3","7","4","3","5","1") = "6"
    & skf18("6","3","7","4","3","6","1") = "6"
    & skf18("6","3","7","4","3","7","1") = "6"
    & skf18("6","3","7","4","3","8","1") = "7"
    & skf18("6","3","7","4","3","9","1") = "8"
    & skf18("6","3","7","4","3","10","1") = "9"
    & skf18("6","3","7","4","4","1","1") = "6"
    & skf18("6","3","7","4","4","2","1") = "6"
    & skf18("6","3","7","4","4","3","1") = "6"
    & skf18("6","3","7","4","4","4","1") = "6"
    & skf18("6","3","7","4","4","5","1") = "6"
    & skf18("6","3","7","4","4","6","1") = "6"
    & skf18("6","3","7","4","4","7","1") = "6"
    & skf18("6","3","7","4","4","8","1") = "7"
    & skf18("6","3","7","4","4","9","1") = "8"
    & skf18("6","3","7","4","4","10","1") = "9"
    & skf18("6","3","7","4","5","1","1") = "6"
    & skf18("6","3","7","4","5","2","1") = "6"
    & skf18("6","3","7","4","5","3","1") = "6"
    & skf18("6","3","7","4","5","4","1") = "6"
    & skf18("6","3","7","4","5","5","1") = "6"
    & skf18("6","3","7","4","5","6","1") = "6"
    & skf18("6","3","7","4","5","7","1") = "6"
    & skf18("6","3","7","4","5","8","1") = "7"
    & skf18("6","3","7","4","5","9","1") = "8"
    & skf18("6","3","7","4","5","10","1") = "9"
    & skf18("6","3","7","4","6","1","1") = "6"
    & skf18("6","3","7","4","6","2","1") = "6"
    & skf18("6","3","7","4","6","3","1") = "6"
    & skf18("6","3","7","4","6","4","1") = "6"
    & skf18("6","3","7","4","6","5","1") = "6"
    & skf18("6","3","7","4","6","6","1") = "6"
    & skf18("6","3","7","4","6","7","1") = "6"
    & skf18("6","3","7","4","6","8","1") = "7"
    & skf18("6","3","7","4","6","9","1") = "8"
    & skf18("6","3","7","4","6","10","1") = "9"
    & skf18("6","3","7","4","7","1","1") = "6"
    & skf18("6","3","7","4","7","2","1") = "6"
    & skf18("6","3","7","4","7","3","1") = "6"
    & skf18("6","3","7","4","7","4","1") = "6"
    & skf18("6","3","7","4","7","5","1") = "6"
    & skf18("6","3","7","4","7","6","1") = "6"
    & skf18("6","3","7","4","7","7","1") = "6"
    & skf18("6","3","7","4","7","8","1") = "7"
    & skf18("6","3","7","4","7","9","1") = "8"
    & skf18("6","3","7","4","7","10","1") = "9"
    & skf18("6","3","7","4","8","1","1") = "7"
    & skf18("6","3","7","4","8","2","1") = "7"
    & skf18("6","3","7","4","8","3","1") = "7"
    & skf18("6","3","7","4","8","4","1") = "7"
    & skf18("6","3","7","4","8","5","1") = "7"
    & skf18("6","3","7","4","8","6","1") = "7"
    & skf18("6","3","7","4","8","7","1") = "7"
    & skf18("6","3","7","4","8","8","1") = "7"
    & skf18("6","3","7","4","8","9","1") = "8"
    & skf18("6","3","7","4","8","10","1") = "9"
    & skf18("6","3","7","4","9","1","1") = "8"
    & skf18("6","3","7","4","9","2","1") = "8"
    & skf18("6","3","7","4","9","3","1") = "8"
    & skf18("6","3","7","4","9","4","1") = "8"
    & skf18("6","3","7","4","9","5","1") = "8"
    & skf18("6","3","7","4","9","6","1") = "8"
    & skf18("6","3","7","4","9","7","1") = "8"
    & skf18("6","3","7","4","9","8","1") = "8"
    & skf18("6","3","7","4","9","9","1") = "8"
    & skf18("6","3","7","4","9","10","1") = "9"
    & skf18("6","3","7","4","10","1","1") = "9"
    & skf18("6","3","7","4","10","2","1") = "9"
    & skf18("6","3","7","4","10","3","1") = "9"
    & skf18("6","3","7","4","10","4","1") = "9"
    & skf18("6","3","7","4","10","5","1") = "9"
    & skf18("6","3","7","4","10","6","1") = "9"
    & skf18("6","3","7","4","10","7","1") = "9"
    & skf18("6","3","7","4","10","8","1") = "9"
    & skf18("6","3","7","4","10","9","1") = "9"
    & skf18("6","3","7","4","10","10","1") = "9"
    & skf18("6","3","7","5","1","1","1") = "6"
    & skf18("6","3","7","5","1","2","1") = "6"
    & skf18("6","3","7","5","1","3","1") = "6"
    & skf18("6","3","7","5","1","4","1") = "6"
    & skf18("6","3","7","5","1","5","1") = "6"
    & skf18("6","3","7","5","1","6","1") = "6"
    & skf18("6","3","7","5","1","7","1") = "6"
    & skf18("6","3","7","5","1","8","1") = "7"
    & skf18("6","3","7","5","1","9","1") = "8"
    & skf18("6","3","7","5","1","10","1") = "9"
    & skf18("6","3","7","5","2","1","1") = "6"
    & skf18("6","3","7","5","2","2","1") = "6"
    & skf18("6","3","7","5","2","3","1") = "6"
    & skf18("6","3","7","5","2","4","1") = "6"
    & skf18("6","3","7","5","2","5","1") = "6"
    & skf18("6","3","7","5","2","6","1") = "6"
    & skf18("6","3","7","5","2","7","1") = "6"
    & skf18("6","3","7","5","2","8","1") = "7"
    & skf18("6","3","7","5","2","9","1") = "8"
    & skf18("6","3","7","5","2","10","1") = "9"
    & skf18("6","3","7","5","3","1","1") = "6"
    & skf18("6","3","7","5","3","2","1") = "6"
    & skf18("6","3","7","5","3","3","1") = "6"
    & skf18("6","3","7","5","3","4","1") = "6"
    & skf18("6","3","7","5","3","5","1") = "6"
    & skf18("6","3","7","5","3","6","1") = "6"
    & skf18("6","3","7","5","3","7","1") = "6"
    & skf18("6","3","7","5","3","8","1") = "7"
    & skf18("6","3","7","5","3","9","1") = "8"
    & skf18("6","3","7","5","3","10","1") = "9"
    & skf18("6","3","7","5","4","1","1") = "6"
    & skf18("6","3","7","5","4","2","1") = "6"
    & skf18("6","3","7","5","4","3","1") = "6"
    & skf18("6","3","7","5","4","4","1") = "6"
    & skf18("6","3","7","5","4","5","1") = "6"
    & skf18("6","3","7","5","4","6","1") = "6"
    & skf18("6","3","7","5","4","7","1") = "6"
    & skf18("6","3","7","5","4","8","1") = "7"
    & skf18("6","3","7","5","4","9","1") = "8"
    & skf18("6","3","7","5","4","10","1") = "9"
    & skf18("6","3","7","5","5","1","1") = "6"
    & skf18("6","3","7","5","5","2","1") = "6"
    & skf18("6","3","7","5","5","3","1") = "6"
    & skf18("6","3","7","5","5","4","1") = "6"
    & skf18("6","3","7","5","5","5","1") = "6"
    & skf18("6","3","7","5","5","6","1") = "6"
    & skf18("6","3","7","5","5","7","1") = "6"
    & skf18("6","3","7","5","5","8","1") = "7"
    & skf18("6","3","7","5","5","9","1") = "8"
    & skf18("6","3","7","5","5","10","1") = "9"
    & skf18("6","3","7","5","6","1","1") = "6"
    & skf18("6","3","7","5","6","2","1") = "6"
    & skf18("6","3","7","5","6","3","1") = "6"
    & skf18("6","3","7","5","6","4","1") = "6"
    & skf18("6","3","7","5","6","5","1") = "6"
    & skf18("6","3","7","5","6","6","1") = "6"
    & skf18("6","3","7","5","6","7","1") = "6"
    & skf18("6","3","7","5","6","8","1") = "7"
    & skf18("6","3","7","5","6","9","1") = "8"
    & skf18("6","3","7","5","6","10","1") = "9"
    & skf18("6","3","7","5","7","1","1") = "6"
    & skf18("6","3","7","5","7","2","1") = "6"
    & skf18("6","3","7","5","7","3","1") = "6"
    & skf18("6","3","7","5","7","4","1") = "6"
    & skf18("6","3","7","5","7","5","1") = "6"
    & skf18("6","3","7","5","7","6","1") = "6"
    & skf18("6","3","7","5","7","7","1") = "6"
    & skf18("6","3","7","5","7","8","1") = "7"
    & skf18("6","3","7","5","7","9","1") = "8"
    & skf18("6","3","7","5","7","10","1") = "9"
    & skf18("6","3","7","5","8","1","1") = "7"
    & skf18("6","3","7","5","8","2","1") = "7"
    & skf18("6","3","7","5","8","3","1") = "7"
    & skf18("6","3","7","5","8","4","1") = "7"
    & skf18("6","3","7","5","8","5","1") = "7"
    & skf18("6","3","7","5","8","6","1") = "7"
    & skf18("6","3","7","5","8","7","1") = "7"
    & skf18("6","3","7","5","8","8","1") = "7"
    & skf18("6","3","7","5","8","9","1") = "8"
    & skf18("6","3","7","5","8","10","1") = "9"
    & skf18("6","3","7","5","9","1","1") = "8"
    & skf18("6","3","7","5","9","2","1") = "8"
    & skf18("6","3","7","5","9","3","1") = "8"
    & skf18("6","3","7","5","9","4","1") = "8"
    & skf18("6","3","7","5","9","5","1") = "8"
    & skf18("6","3","7","5","9","6","1") = "8"
    & skf18("6","3","7","5","9","7","1") = "8"
    & skf18("6","3","7","5","9","8","1") = "8"
    & skf18("6","3","7","5","9","9","1") = "8"
    & skf18("6","3","7","5","9","10","1") = "9"
    & skf18("6","3","7","5","10","1","1") = "9"
    & skf18("6","3","7","5","10","2","1") = "9"
    & skf18("6","3","7","5","10","3","1") = "9"
    & skf18("6","3","7","5","10","4","1") = "9"
    & skf18("6","3","7","5","10","5","1") = "9"
    & skf18("6","3","7","5","10","6","1") = "9"
    & skf18("6","3","7","5","10","7","1") = "9"
    & skf18("6","3","7","5","10","8","1") = "9"
    & skf18("6","3","7","5","10","9","1") = "9"
    & skf18("6","3","7","5","10","10","1") = "9"
    & skf18("6","3","7","6","1","1","1") = "6"
    & skf18("6","3","7","6","1","2","1") = "6"
    & skf18("6","3","7","6","1","3","1") = "6"
    & skf18("6","3","7","6","1","4","1") = "6"
    & skf18("6","3","7","6","1","5","1") = "6"
    & skf18("6","3","7","6","1","6","1") = "6"
    & skf18("6","3","7","6","1","7","1") = "6"
    & skf18("6","3","7","6","1","8","1") = "7"
    & skf18("6","3","7","6","1","9","1") = "8"
    & skf18("6","3","7","6","1","10","1") = "9"
    & skf18("6","3","7","6","2","1","1") = "6"
    & skf18("6","3","7","6","2","2","1") = "6"
    & skf18("6","3","7","6","2","3","1") = "6"
    & skf18("6","3","7","6","2","4","1") = "6"
    & skf18("6","3","7","6","2","5","1") = "6"
    & skf18("6","3","7","6","2","6","1") = "6"
    & skf18("6","3","7","6","2","7","1") = "6"
    & skf18("6","3","7","6","2","8","1") = "7"
    & skf18("6","3","7","6","2","9","1") = "8"
    & skf18("6","3","7","6","2","10","1") = "9"
    & skf18("6","3","7","6","3","1","1") = "6"
    & skf18("6","3","7","6","3","2","1") = "6"
    & skf18("6","3","7","6","3","3","1") = "6"
    & skf18("6","3","7","6","3","4","1") = "6"
    & skf18("6","3","7","6","3","5","1") = "6"
    & skf18("6","3","7","6","3","6","1") = "6"
    & skf18("6","3","7","6","3","7","1") = "6"
    & skf18("6","3","7","6","3","8","1") = "7"
    & skf18("6","3","7","6","3","9","1") = "8"
    & skf18("6","3","7","6","3","10","1") = "9"
    & skf18("6","3","7","6","4","1","1") = "6"
    & skf18("6","3","7","6","4","2","1") = "6"
    & skf18("6","3","7","6","4","3","1") = "6"
    & skf18("6","3","7","6","4","4","1") = "6"
    & skf18("6","3","7","6","4","5","1") = "6"
    & skf18("6","3","7","6","4","6","1") = "6"
    & skf18("6","3","7","6","4","7","1") = "6"
    & skf18("6","3","7","6","4","8","1") = "7"
    & skf18("6","3","7","6","4","9","1") = "8"
    & skf18("6","3","7","6","4","10","1") = "9"
    & skf18("6","3","7","6","5","1","1") = "6"
    & skf18("6","3","7","6","5","2","1") = "6"
    & skf18("6","3","7","6","5","3","1") = "6"
    & skf18("6","3","7","6","5","4","1") = "6"
    & skf18("6","3","7","6","5","5","1") = "6"
    & skf18("6","3","7","6","5","6","1") = "6"
    & skf18("6","3","7","6","5","7","1") = "6"
    & skf18("6","3","7","6","5","8","1") = "7"
    & skf18("6","3","7","6","5","9","1") = "8"
    & skf18("6","3","7","6","5","10","1") = "9"
    & skf18("6","3","7","6","6","1","1") = "6"
    & skf18("6","3","7","6","6","2","1") = "6"
    & skf18("6","3","7","6","6","3","1") = "6"
    & skf18("6","3","7","6","6","4","1") = "6"
    & skf18("6","3","7","6","6","5","1") = "6"
    & skf18("6","3","7","6","6","6","1") = "6"
    & skf18("6","3","7","6","6","7","1") = "6"
    & skf18("6","3","7","6","6","8","1") = "7"
    & skf18("6","3","7","6","6","9","1") = "8"
    & skf18("6","3","7","6","6","10","1") = "9"
    & skf18("6","3","7","6","7","1","1") = "6"
    & skf18("6","3","7","6","7","2","1") = "6"
    & skf18("6","3","7","6","7","3","1") = "6"
    & skf18("6","3","7","6","7","4","1") = "6"
    & skf18("6","3","7","6","7","5","1") = "6"
    & skf18("6","3","7","6","7","6","1") = "6"
    & skf18("6","3","7","6","7","7","1") = "6"
    & skf18("6","3","7","6","7","8","1") = "7"
    & skf18("6","3","7","6","7","9","1") = "8"
    & skf18("6","3","7","6","7","10","1") = "9"
    & skf18("6","3","7","6","8","1","1") = "7"
    & skf18("6","3","7","6","8","2","1") = "7"
    & skf18("6","3","7","6","8","3","1") = "7"
    & skf18("6","3","7","6","8","4","1") = "7"
    & skf18("6","3","7","6","8","5","1") = "7"
    & skf18("6","3","7","6","8","6","1") = "7"
    & skf18("6","3","7","6","8","7","1") = "7"
    & skf18("6","3","7","6","8","8","1") = "7"
    & skf18("6","3","7","6","8","9","1") = "8"
    & skf18("6","3","7","6","8","10","1") = "9"
    & skf18("6","3","7","6","9","1","1") = "8"
    & skf18("6","3","7","6","9","2","1") = "8"
    & skf18("6","3","7","6","9","3","1") = "8"
    & skf18("6","3","7","6","9","4","1") = "8"
    & skf18("6","3","7","6","9","5","1") = "8"
    & skf18("6","3","7","6","9","6","1") = "8"
    & skf18("6","3","7","6","9","7","1") = "8"
    & skf18("6","3","7","6","9","8","1") = "8"
    & skf18("6","3","7","6","9","9","1") = "8"
    & skf18("6","3","7","6","9","10","1") = "9"
    & skf18("6","3","7","6","10","1","1") = "9"
    & skf18("6","3","7","6","10","2","1") = "9"
    & skf18("6","3","7","6","10","3","1") = "9"
    & skf18("6","3","7","6","10","4","1") = "9"
    & skf18("6","3","7","6","10","5","1") = "9"
    & skf18("6","3","7","6","10","6","1") = "9"
    & skf18("6","3","7","6","10","7","1") = "9"
    & skf18("6","3","7","6","10","8","1") = "9"
    & skf18("6","3","7","6","10","9","1") = "9"
    & skf18("6","3","7","6","10","10","1") = "9"
    & skf18("6","3","7","7","1","1","1") = "6"
    & skf18("6","3","7","7","1","2","1") = "6"
    & skf18("6","3","7","7","1","3","1") = "6"
    & skf18("6","3","7","7","1","4","1") = "6"
    & skf18("6","3","7","7","1","5","1") = "6"
    & skf18("6","3","7","7","1","6","1") = "6"
    & skf18("6","3","7","7","1","7","1") = "6"
    & skf18("6","3","7","7","1","8","1") = "7"
    & skf18("6","3","7","7","1","9","1") = "8"
    & skf18("6","3","7","7","1","10","1") = "9"
    & skf18("6","3","7","7","2","1","1") = "6"
    & skf18("6","3","7","7","2","2","1") = "6"
    & skf18("6","3","7","7","2","3","1") = "6"
    & skf18("6","3","7","7","2","4","1") = "6"
    & skf18("6","3","7","7","2","5","1") = "6"
    & skf18("6","3","7","7","2","6","1") = "6"
    & skf18("6","3","7","7","2","7","1") = "6"
    & skf18("6","3","7","7","2","8","1") = "7"
    & skf18("6","3","7","7","2","9","1") = "8"
    & skf18("6","3","7","7","2","10","1") = "9"
    & skf18("6","3","7","7","3","1","1") = "6"
    & skf18("6","3","7","7","3","2","1") = "6"
    & skf18("6","3","7","7","3","3","1") = "6"
    & skf18("6","3","7","7","3","4","1") = "6"
    & skf18("6","3","7","7","3","5","1") = "6"
    & skf18("6","3","7","7","3","6","1") = "6"
    & skf18("6","3","7","7","3","7","1") = "6"
    & skf18("6","3","7","7","3","8","1") = "7"
    & skf18("6","3","7","7","3","9","1") = "8"
    & skf18("6","3","7","7","3","10","1") = "9"
    & skf18("6","3","7","7","4","1","1") = "6"
    & skf18("6","3","7","7","4","2","1") = "6"
    & skf18("6","3","7","7","4","3","1") = "6"
    & skf18("6","3","7","7","4","4","1") = "6"
    & skf18("6","3","7","7","4","5","1") = "6"
    & skf18("6","3","7","7","4","6","1") = "6"
    & skf18("6","3","7","7","4","7","1") = "6"
    & skf18("6","3","7","7","4","8","1") = "7"
    & skf18("6","3","7","7","4","9","1") = "8"
    & skf18("6","3","7","7","4","10","1") = "9"
    & skf18("6","3","7","7","5","1","1") = "6"
    & skf18("6","3","7","7","5","2","1") = "6"
    & skf18("6","3","7","7","5","3","1") = "6"
    & skf18("6","3","7","7","5","4","1") = "6"
    & skf18("6","3","7","7","5","5","1") = "6"
    & skf18("6","3","7","7","5","6","1") = "6"
    & skf18("6","3","7","7","5","7","1") = "6"
    & skf18("6","3","7","7","5","8","1") = "7"
    & skf18("6","3","7","7","5","9","1") = "8"
    & skf18("6","3","7","7","5","10","1") = "9"
    & skf18("6","3","7","7","6","1","1") = "6"
    & skf18("6","3","7","7","6","2","1") = "6"
    & skf18("6","3","7","7","6","3","1") = "6"
    & skf18("6","3","7","7","6","4","1") = "6"
    & skf18("6","3","7","7","6","5","1") = "6"
    & skf18("6","3","7","7","6","6","1") = "6"
    & skf18("6","3","7","7","6","7","1") = "6"
    & skf18("6","3","7","7","6","8","1") = "7"
    & skf18("6","3","7","7","6","9","1") = "8"
    & skf18("6","3","7","7","6","10","1") = "9"
    & skf18("6","3","7","7","7","1","1") = "6"
    & skf18("6","3","7","7","7","2","1") = "6"
    & skf18("6","3","7","7","7","3","1") = "6"
    & skf18("6","3","7","7","7","4","1") = "6"
    & skf18("6","3","7","7","7","5","1") = "6"
    & skf18("6","3","7","7","7","6","1") = "6"
    & skf18("6","3","7","7","7","7","1") = "6"
    & skf18("6","3","7","7","7","8","1") = "7"
    & skf18("6","3","7","7","7","9","1") = "8"
    & skf18("6","3","7","7","7","10","1") = "9"
    & skf18("6","3","7","7","8","1","1") = "7"
    & skf18("6","3","7","7","8","2","1") = "7"
    & skf18("6","3","7","7","8","3","1") = "7"
    & skf18("6","3","7","7","8","4","1") = "7"
    & skf18("6","3","7","7","8","5","1") = "7"
    & skf18("6","3","7","7","8","6","1") = "7"
    & skf18("6","3","7","7","8","7","1") = "7"
    & skf18("6","3","7","7","8","8","1") = "7"
    & skf18("6","3","7","7","8","9","1") = "8"
    & skf18("6","3","7","7","8","10","1") = "9"
    & skf18("6","3","7","7","9","1","1") = "8"
    & skf18("6","3","7","7","9","2","1") = "8"
    & skf18("6","3","7","7","9","3","1") = "8"
    & skf18("6","3","7","7","9","4","1") = "8"
    & skf18("6","3","7","7","9","5","1") = "8"
    & skf18("6","3","7","7","9","6","1") = "8"
    & skf18("6","3","7","7","9","7","1") = "8"
    & skf18("6","3","7","7","9","8","1") = "8"
    & skf18("6","3","7","7","9","9","1") = "8"
    & skf18("6","3","7","7","9","10","1") = "9"
    & skf18("6","3","7","7","10","1","1") = "9"
    & skf18("6","3","7","7","10","2","1") = "9"
    & skf18("6","3","7","7","10","3","1") = "9"
    & skf18("6","3","7","7","10","4","1") = "9"
    & skf18("6","3","7","7","10","5","1") = "9"
    & skf18("6","3","7","7","10","6","1") = "9"
    & skf18("6","3","7","7","10","7","1") = "9"
    & skf18("6","3","7","7","10","8","1") = "9"
    & skf18("6","3","7","7","10","9","1") = "9"
    & skf18("6","3","7","7","10","10","1") = "9"
    & skf18("6","3","7","8","1","1","1") = "7"
    & skf18("6","3","7","8","1","2","1") = "7"
    & skf18("6","3","7","8","1","3","1") = "7"
    & skf18("6","3","7","8","1","4","1") = "7"
    & skf18("6","3","7","8","1","5","1") = "7"
    & skf18("6","3","7","8","1","6","1") = "7"
    & skf18("6","3","7","8","1","7","1") = "7"
    & skf18("6","3","7","8","1","8","1") = "7"
    & skf18("6","3","7","8","1","9","1") = "8"
    & skf18("6","3","7","8","1","10","1") = "9"
    & skf18("6","3","7","8","2","1","1") = "7"
    & skf18("6","3","7","8","2","2","1") = "7"
    & skf18("6","3","7","8","2","3","1") = "7"
    & skf18("6","3","7","8","2","4","1") = "7"
    & skf18("6","3","7","8","2","5","1") = "7"
    & skf18("6","3","7","8","2","6","1") = "7"
    & skf18("6","3","7","8","2","7","1") = "7"
    & skf18("6","3","7","8","2","8","1") = "7"
    & skf18("6","3","7","8","2","9","1") = "8"
    & skf18("6","3","7","8","2","10","1") = "9"
    & skf18("6","3","7","8","3","1","1") = "7"
    & skf18("6","3","7","8","3","2","1") = "7"
    & skf18("6","3","7","8","3","3","1") = "7"
    & skf18("6","3","7","8","3","4","1") = "7"
    & skf18("6","3","7","8","3","5","1") = "7"
    & skf18("6","3","7","8","3","6","1") = "7"
    & skf18("6","3","7","8","3","7","1") = "7"
    & skf18("6","3","7","8","3","8","1") = "7"
    & skf18("6","3","7","8","3","9","1") = "8"
    & skf18("6","3","7","8","3","10","1") = "9"
    & skf18("6","3","7","8","4","1","1") = "7"
    & skf18("6","3","7","8","4","2","1") = "7"
    & skf18("6","3","7","8","4","3","1") = "7"
    & skf18("6","3","7","8","4","4","1") = "7"
    & skf18("6","3","7","8","4","5","1") = "7"
    & skf18("6","3","7","8","4","6","1") = "7"
    & skf18("6","3","7","8","4","7","1") = "7"
    & skf18("6","3","7","8","4","8","1") = "7"
    & skf18("6","3","7","8","4","9","1") = "8"
    & skf18("6","3","7","8","4","10","1") = "9"
    & skf18("6","3","7","8","5","1","1") = "7"
    & skf18("6","3","7","8","5","2","1") = "7"
    & skf18("6","3","7","8","5","3","1") = "7"
    & skf18("6","3","7","8","5","4","1") = "7"
    & skf18("6","3","7","8","5","5","1") = "7"
    & skf18("6","3","7","8","5","6","1") = "7"
    & skf18("6","3","7","8","5","7","1") = "7"
    & skf18("6","3","7","8","5","8","1") = "7"
    & skf18("6","3","7","8","5","9","1") = "8"
    & skf18("6","3","7","8","5","10","1") = "9"
    & skf18("6","3","7","8","6","1","1") = "7"
    & skf18("6","3","7","8","6","2","1") = "7"
    & skf18("6","3","7","8","6","3","1") = "7"
    & skf18("6","3","7","8","6","4","1") = "7"
    & skf18("6","3","7","8","6","5","1") = "7"
    & skf18("6","3","7","8","6","6","1") = "7"
    & skf18("6","3","7","8","6","7","1") = "7"
    & skf18("6","3","7","8","6","8","1") = "7"
    & skf18("6","3","7","8","6","9","1") = "8"
    & skf18("6","3","7","8","6","10","1") = "9"
    & skf18("6","3","7","8","7","1","1") = "7"
    & skf18("6","3","7","8","7","2","1") = "7"
    & skf18("6","3","7","8","7","3","1") = "7"
    & skf18("6","3","7","8","7","4","1") = "7"
    & skf18("6","3","7","8","7","5","1") = "7"
    & skf18("6","3","7","8","7","6","1") = "7"
    & skf18("6","3","7","8","7","7","1") = "7"
    & skf18("6","3","7","8","7","8","1") = "7"
    & skf18("6","3","7","8","7","9","1") = "8"
    & skf18("6","3","7","8","7","10","1") = "9"
    & skf18("6","3","7","8","8","1","1") = "7"
    & skf18("6","3","7","8","8","2","1") = "7"
    & skf18("6","3","7","8","8","3","1") = "7"
    & skf18("6","3","7","8","8","4","1") = "7"
    & skf18("6","3","7","8","8","5","1") = "7"
    & skf18("6","3","7","8","8","6","1") = "7"
    & skf18("6","3","7","8","8","7","1") = "7"
    & skf18("6","3","7","8","8","8","1") = "7"
    & skf18("6","3","7","8","8","9","1") = "8"
    & skf18("6","3","7","8","8","10","1") = "9"
    & skf18("6","3","7","8","9","1","1") = "8"
    & skf18("6","3","7","8","9","2","1") = "8"
    & skf18("6","3","7","8","9","3","1") = "8"
    & skf18("6","3","7","8","9","4","1") = "8"
    & skf18("6","3","7","8","9","5","1") = "8"
    & skf18("6","3","7","8","9","6","1") = "8"
    & skf18("6","3","7","8","9","7","1") = "8"
    & skf18("6","3","7","8","9","8","1") = "8"
    & skf18("6","3","7","8","9","9","1") = "8"
    & skf18("6","3","7","8","9","10","1") = "9"
    & skf18("6","3","7","8","10","1","1") = "9"
    & skf18("6","3","7","8","10","2","1") = "9"
    & skf18("6","3","7","8","10","3","1") = "9"
    & skf18("6","3","7","8","10","4","1") = "9"
    & skf18("6","3","7","8","10","5","1") = "9"
    & skf18("6","3","7","8","10","6","1") = "9"
    & skf18("6","3","7","8","10","7","1") = "9"
    & skf18("6","3","7","8","10","8","1") = "9"
    & skf18("6","3","7","8","10","9","1") = "9"
    & skf18("6","3","7","8","10","10","1") = "9"
    & skf18("6","3","7","9","1","1","1") = "8"
    & skf18("6","3","7","9","1","2","1") = "8"
    & skf18("6","3","7","9","1","3","1") = "8"
    & skf18("6","3","7","9","1","4","1") = "8"
    & skf18("6","3","7","9","1","5","1") = "8"
    & skf18("6","3","7","9","1","6","1") = "8"
    & skf18("6","3","7","9","1","7","1") = "8"
    & skf18("6","3","7","9","1","8","1") = "8"
    & skf18("6","3","7","9","1","9","1") = "8"
    & skf18("6","3","7","9","1","10","1") = "9"
    & skf18("6","3","7","9","2","1","1") = "8"
    & skf18("6","3","7","9","2","2","1") = "8"
    & skf18("6","3","7","9","2","3","1") = "8"
    & skf18("6","3","7","9","2","4","1") = "8"
    & skf18("6","3","7","9","2","5","1") = "8"
    & skf18("6","3","7","9","2","6","1") = "8"
    & skf18("6","3","7","9","2","7","1") = "8"
    & skf18("6","3","7","9","2","8","1") = "8"
    & skf18("6","3","7","9","2","9","1") = "8"
    & skf18("6","3","7","9","2","10","1") = "9"
    & skf18("6","3","7","9","3","1","1") = "8"
    & skf18("6","3","7","9","3","2","1") = "8"
    & skf18("6","3","7","9","3","3","1") = "8"
    & skf18("6","3","7","9","3","4","1") = "8"
    & skf18("6","3","7","9","3","5","1") = "8"
    & skf18("6","3","7","9","3","6","1") = "8"
    & skf18("6","3","7","9","3","7","1") = "8"
    & skf18("6","3","7","9","3","8","1") = "8"
    & skf18("6","3","7","9","3","9","1") = "8"
    & skf18("6","3","7","9","3","10","1") = "9"
    & skf18("6","3","7","9","4","1","1") = "8"
    & skf18("6","3","7","9","4","2","1") = "8"
    & skf18("6","3","7","9","4","3","1") = "8"
    & skf18("6","3","7","9","4","4","1") = "8"
    & skf18("6","3","7","9","4","5","1") = "8"
    & skf18("6","3","7","9","4","6","1") = "8"
    & skf18("6","3","7","9","4","7","1") = "8"
    & skf18("6","3","7","9","4","8","1") = "8"
    & skf18("6","3","7","9","4","9","1") = "8"
    & skf18("6","3","7","9","4","10","1") = "9"
    & skf18("6","3","7","9","5","1","1") = "8"
    & skf18("6","3","7","9","5","2","1") = "8"
    & skf18("6","3","7","9","5","3","1") = "8"
    & skf18("6","3","7","9","5","4","1") = "8"
    & skf18("6","3","7","9","5","5","1") = "8"
    & skf18("6","3","7","9","5","6","1") = "8"
    & skf18("6","3","7","9","5","7","1") = "8"
    & skf18("6","3","7","9","5","8","1") = "8"
    & skf18("6","3","7","9","5","9","1") = "8"
    & skf18("6","3","7","9","5","10","1") = "9"
    & skf18("6","3","7","9","6","1","1") = "8"
    & skf18("6","3","7","9","6","2","1") = "8"
    & skf18("6","3","7","9","6","3","1") = "8"
    & skf18("6","3","7","9","6","4","1") = "8"
    & skf18("6","3","7","9","6","5","1") = "8"
    & skf18("6","3","7","9","6","6","1") = "8"
    & skf18("6","3","7","9","6","7","1") = "8"
    & skf18("6","3","7","9","6","8","1") = "8"
    & skf18("6","3","7","9","6","9","1") = "8"
    & skf18("6","3","7","9","6","10","1") = "9"
    & skf18("6","3","7","9","7","1","1") = "8"
    & skf18("6","3","7","9","7","2","1") = "8"
    & skf18("6","3","7","9","7","3","1") = "8"
    & skf18("6","3","7","9","7","4","1") = "8"
    & skf18("6","3","7","9","7","5","1") = "8"
    & skf18("6","3","7","9","7","6","1") = "8"
    & skf18("6","3","7","9","7","7","1") = "8"
    & skf18("6","3","7","9","7","8","1") = "8"
    & skf18("6","3","7","9","7","9","1") = "8"
    & skf18("6","3","7","9","7","10","1") = "9"
    & skf18("6","3","7","9","8","1","1") = "8"
    & skf18("6","3","7","9","8","2","1") = "8"
    & skf18("6","3","7","9","8","3","1") = "8"
    & skf18("6","3","7","9","8","4","1") = "8"
    & skf18("6","3","7","9","8","5","1") = "8"
    & skf18("6","3","7","9","8","6","1") = "8"
    & skf18("6","3","7","9","8","7","1") = "8"
    & skf18("6","3","7","9","8","8","1") = "8"
    & skf18("6","3","7","9","8","9","1") = "8"
    & skf18("6","3","7","9","8","10","1") = "9"
    & skf18("6","3","7","9","9","1","1") = "8"
    & skf18("6","3","7","9","9","2","1") = "8"
    & skf18("6","3","7","9","9","3","1") = "8"
    & skf18("6","3","7","9","9","4","1") = "8"
    & skf18("6","3","7","9","9","5","1") = "8"
    & skf18("6","3","7","9","9","6","1") = "8"
    & skf18("6","3","7","9","9","7","1") = "8"
    & skf18("6","3","7","9","9","8","1") = "8"
    & skf18("6","3","7","9","9","9","1") = "8"
    & skf18("6","3","7","9","9","10","1") = "9"
    & skf18("6","3","7","9","10","1","1") = "9"
    & skf18("6","3","7","9","10","2","1") = "9"
    & skf18("6","3","7","9","10","3","1") = "9"
    & skf18("6","3","7","9","10","4","1") = "9"
    & skf18("6","3","7","9","10","5","1") = "9"
    & skf18("6","3","7","9","10","6","1") = "9"
    & skf18("6","3","7","9","10","7","1") = "9"
    & skf18("6","3","7","9","10","8","1") = "9"
    & skf18("6","3","7","9","10","9","1") = "9"
    & skf18("6","3","7","9","10","10","1") = "9"
    & skf18("6","3","7","10","1","1","1") = "9"
    & skf18("6","3","7","10","1","2","1") = "9"
    & skf18("6","3","7","10","1","3","1") = "9"
    & skf18("6","3","7","10","1","4","1") = "9"
    & skf18("6","3","7","10","1","5","1") = "9"
    & skf18("6","3","7","10","1","6","1") = "9"
    & skf18("6","3","7","10","1","7","1") = "9"
    & skf18("6","3","7","10","1","8","1") = "9"
    & skf18("6","3","7","10","1","9","1") = "9"
    & skf18("6","3","7","10","1","10","1") = "9"
    & skf18("6","3","7","10","2","1","1") = "9"
    & skf18("6","3","7","10","2","2","1") = "9"
    & skf18("6","3","7","10","2","3","1") = "9"
    & skf18("6","3","7","10","2","4","1") = "9"
    & skf18("6","3","7","10","2","5","1") = "9"
    & skf18("6","3","7","10","2","6","1") = "9"
    & skf18("6","3","7","10","2","7","1") = "9"
    & skf18("6","3","7","10","2","8","1") = "9"
    & skf18("6","3","7","10","2","9","1") = "9"
    & skf18("6","3","7","10","2","10","1") = "9"
    & skf18("6","3","7","10","3","1","1") = "9"
    & skf18("6","3","7","10","3","2","1") = "9"
    & skf18("6","3","7","10","3","3","1") = "9"
    & skf18("6","3","7","10","3","4","1") = "9"
    & skf18("6","3","7","10","3","5","1") = "9"
    & skf18("6","3","7","10","3","6","1") = "9"
    & skf18("6","3","7","10","3","7","1") = "9"
    & skf18("6","3","7","10","3","8","1") = "9"
    & skf18("6","3","7","10","3","9","1") = "9"
    & skf18("6","3","7","10","3","10","1") = "9"
    & skf18("6","3","7","10","4","1","1") = "9"
    & skf18("6","3","7","10","4","2","1") = "9"
    & skf18("6","3","7","10","4","3","1") = "9"
    & skf18("6","3","7","10","4","4","1") = "9"
    & skf18("6","3","7","10","4","5","1") = "9"
    & skf18("6","3","7","10","4","6","1") = "9"
    & skf18("6","3","7","10","4","7","1") = "9"
    & skf18("6","3","7","10","4","8","1") = "9"
    & skf18("6","3","7","10","4","9","1") = "9"
    & skf18("6","3","7","10","4","10","1") = "9"
    & skf18("6","3","7","10","5","1","1") = "9"
    & skf18("6","3","7","10","5","2","1") = "9"
    & skf18("6","3","7","10","5","3","1") = "9"
    & skf18("6","3","7","10","5","4","1") = "9"
    & skf18("6","3","7","10","5","5","1") = "9"
    & skf18("6","3","7","10","5","6","1") = "9"
    & skf18("6","3","7","10","5","7","1") = "9"
    & skf18("6","3","7","10","5","8","1") = "9"
    & skf18("6","3","7","10","5","9","1") = "9"
    & skf18("6","3","7","10","5","10","1") = "9"
    & skf18("6","3","7","10","6","1","1") = "9"
    & skf18("6","3","7","10","6","2","1") = "9"
    & skf18("6","3","7","10","6","3","1") = "9"
    & skf18("6","3","7","10","6","4","1") = "9"
    & skf18("6","3","7","10","6","5","1") = "9"
    & skf18("6","3","7","10","6","6","1") = "9"
    & skf18("6","3","7","10","6","7","1") = "9"
    & skf18("6","3","7","10","6","8","1") = "9"
    & skf18("6","3","7","10","6","9","1") = "9"
    & skf18("6","3","7","10","6","10","1") = "9"
    & skf18("6","3","7","10","7","1","1") = "9"
    & skf18("6","3","7","10","7","2","1") = "9"
    & skf18("6","3","7","10","7","3","1") = "9"
    & skf18("6","3","7","10","7","4","1") = "9"
    & skf18("6","3","7","10","7","5","1") = "9"
    & skf18("6","3","7","10","7","6","1") = "9"
    & skf18("6","3","7","10","7","7","1") = "9"
    & skf18("6","3","7","10","7","8","1") = "9"
    & skf18("6","3","7","10","7","9","1") = "9"
    & skf18("6","3","7","10","7","10","1") = "9"
    & skf18("6","3","7","10","8","1","1") = "9"
    & skf18("6","3","7","10","8","2","1") = "9"
    & skf18("6","3","7","10","8","3","1") = "9"
    & skf18("6","3","7","10","8","4","1") = "9"
    & skf18("6","3","7","10","8","5","1") = "9"
    & skf18("6","3","7","10","8","6","1") = "9"
    & skf18("6","3","7","10","8","7","1") = "9"
    & skf18("6","3","7","10","8","8","1") = "9"
    & skf18("6","3","7","10","8","9","1") = "9"
    & skf18("6","3","7","10","8","10","1") = "9"
    & skf18("6","3","7","10","9","1","1") = "9"
    & skf18("6","3","7","10","9","2","1") = "9"
    & skf18("6","3","7","10","9","3","1") = "9"
    & skf18("6","3","7","10","9","4","1") = "9"
    & skf18("6","3","7","10","9","5","1") = "9"
    & skf18("6","3","7","10","9","6","1") = "9"
    & skf18("6","3","7","10","9","7","1") = "9"
    & skf18("6","3","7","10","9","8","1") = "9"
    & skf18("6","3","7","10","9","9","1") = "9"
    & skf18("6","3","7","10","9","10","1") = "9"
    & skf18("6","3","7","10","10","1","1") = "9"
    & skf18("6","3","7","10","10","2","1") = "9"
    & skf18("6","3","7","10","10","3","1") = "9"
    & skf18("6","3","7","10","10","4","1") = "9"
    & skf18("6","3","7","10","10","5","1") = "9"
    & skf18("6","3","7","10","10","6","1") = "9"
    & skf18("6","3","7","10","10","7","1") = "9"
    & skf18("6","3","7","10","10","8","1") = "9"
    & skf18("6","3","7","10","10","9","1") = "9"
    & skf18("6","3","7","10","10","10","1") = "9"
    & skf18("6","3","8","1","1","1","1") = "7"
    & skf18("6","3","8","1","1","2","1") = "7"
    & skf18("6","3","8","1","1","3","1") = "7"
    & skf18("6","3","8","1","1","4","1") = "7"
    & skf18("6","3","8","1","1","5","1") = "7"
    & skf18("6","3","8","1","1","6","1") = "7"
    & skf18("6","3","8","1","1","7","1") = "7"
    & skf18("6","3","8","1","1","8","1") = "7"
    & skf18("6","3","8","1","1","9","1") = "8"
    & skf18("6","3","8","1","1","10","1") = "9"
    & skf18("6","3","8","1","2","1","1") = "7"
    & skf18("6","3","8","1","2","2","1") = "7"
    & skf18("6","3","8","1","2","3","1") = "7"
    & skf18("6","3","8","1","2","4","1") = "7"
    & skf18("6","3","8","1","2","5","1") = "7"
    & skf18("6","3","8","1","2","6","1") = "7"
    & skf18("6","3","8","1","2","7","1") = "7"
    & skf18("6","3","8","1","2","8","1") = "7"
    & skf18("6","3","8","1","2","9","1") = "8"
    & skf18("6","3","8","1","2","10","1") = "9"
    & skf18("6","3","8","1","3","1","1") = "7"
    & skf18("6","3","8","1","3","2","1") = "7"
    & skf18("6","3","8","1","3","3","1") = "7"
    & skf18("6","3","8","1","3","4","1") = "7"
    & skf18("6","3","8","1","3","5","1") = "7"
    & skf18("6","3","8","1","3","6","1") = "7"
    & skf18("6","3","8","1","3","7","1") = "7"
    & skf18("6","3","8","1","3","8","1") = "7"
    & skf18("6","3","8","1","3","9","1") = "8"
    & skf18("6","3","8","1","3","10","1") = "9"
    & skf18("6","3","8","1","4","1","1") = "7"
    & skf18("6","3","8","1","4","2","1") = "7"
    & skf18("6","3","8","1","4","3","1") = "7"
    & skf18("6","3","8","1","4","4","1") = "7"
    & skf18("6","3","8","1","4","5","1") = "7"
    & skf18("6","3","8","1","4","6","1") = "7"
    & skf18("6","3","8","1","4","7","1") = "7"
    & skf18("6","3","8","1","4","8","1") = "7"
    & skf18("6","3","8","1","4","9","1") = "8"
    & skf18("6","3","8","1","4","10","1") = "9"
    & skf18("6","3","8","1","5","1","1") = "7"
    & skf18("6","3","8","1","5","2","1") = "7"
    & skf18("6","3","8","1","5","3","1") = "7"
    & skf18("6","3","8","1","5","4","1") = "7"
    & skf18("6","3","8","1","5","5","1") = "7"
    & skf18("6","3","8","1","5","6","1") = "7"
    & skf18("6","3","8","1","5","7","1") = "7"
    & skf18("6","3","8","1","5","8","1") = "7"
    & skf18("6","3","8","1","5","9","1") = "8"
    & skf18("6","3","8","1","5","10","1") = "9"
    & skf18("6","3","8","1","6","1","1") = "7"
    & skf18("6","3","8","1","6","2","1") = "7"
    & skf18("6","3","8","1","6","3","1") = "7"
    & skf18("6","3","8","1","6","4","1") = "7"
    & skf18("6","3","8","1","6","5","1") = "7"
    & skf18("6","3","8","1","6","6","1") = "7"
    & skf18("6","3","8","1","6","7","1") = "7"
    & skf18("6","3","8","1","6","8","1") = "7"
    & skf18("6","3","8","1","6","9","1") = "8"
    & skf18("6","3","8","1","6","10","1") = "9"
    & skf18("6","3","8","1","7","1","1") = "7"
    & skf18("6","3","8","1","7","2","1") = "7"
    & skf18("6","3","8","1","7","3","1") = "7"
    & skf18("6","3","8","1","7","4","1") = "7"
    & skf18("6","3","8","1","7","5","1") = "7"
    & skf18("6","3","8","1","7","6","1") = "7"
    & skf18("6","3","8","1","7","7","1") = "7"
    & skf18("6","3","8","1","7","8","1") = "7"
    & skf18("6","3","8","1","7","9","1") = "8"
    & skf18("6","3","8","1","7","10","1") = "9"
    & skf18("6","3","8","1","8","1","1") = "7"
    & skf18("6","3","8","1","8","2","1") = "7"
    & skf18("6","3","8","1","8","3","1") = "7"
    & skf18("6","3","8","1","8","4","1") = "7"
    & skf18("6","3","8","1","8","5","1") = "7"
    & skf18("6","3","8","1","8","6","1") = "7"
    & skf18("6","3","8","1","8","7","1") = "7"
    & skf18("6","3","8","1","8","8","1") = "7"
    & skf18("6","3","8","1","8","9","1") = "8"
    & skf18("6","3","8","1","8","10","1") = "9"
    & skf18("6","3","8","1","9","1","1") = "8"
    & skf18("6","3","8","1","9","2","1") = "8"
    & skf18("6","3","8","1","9","3","1") = "8"
    & skf18("6","3","8","1","9","4","1") = "8"
    & skf18("6","3","8","1","9","5","1") = "8"
    & skf18("6","3","8","1","9","6","1") = "8"
    & skf18("6","3","8","1","9","7","1") = "8"
    & skf18("6","3","8","1","9","8","1") = "8"
    & skf18("6","3","8","1","9","9","1") = "8"
    & skf18("6","3","8","1","9","10","1") = "9"
    & skf18("6","3","8","1","10","1","1") = "9"
    & skf18("6","3","8","1","10","2","1") = "9"
    & skf18("6","3","8","1","10","3","1") = "9"
    & skf18("6","3","8","1","10","4","1") = "9"
    & skf18("6","3","8","1","10","5","1") = "9"
    & skf18("6","3","8","1","10","6","1") = "9"
    & skf18("6","3","8","1","10","7","1") = "9"
    & skf18("6","3","8","1","10","8","1") = "9"
    & skf18("6","3","8","1","10","9","1") = "9"
    & skf18("6","3","8","1","10","10","1") = "9"
    & skf18("6","3","8","2","1","1","1") = "7"
    & skf18("6","3","8","2","1","2","1") = "7"
    & skf18("6","3","8","2","1","3","1") = "7"
    & skf18("6","3","8","2","1","4","1") = "7"
    & skf18("6","3","8","2","1","5","1") = "7"
    & skf18("6","3","8","2","1","6","1") = "7"
    & skf18("6","3","8","2","1","7","1") = "7"
    & skf18("6","3","8","2","1","8","1") = "7"
    & skf18("6","3","8","2","1","9","1") = "8"
    & skf18("6","3","8","2","1","10","1") = "9"
    & skf18("6","3","8","2","2","1","1") = "7"
    & skf18("6","3","8","2","2","2","1") = "7"
    & skf18("6","3","8","2","2","3","1") = "7"
    & skf18("6","3","8","2","2","4","1") = "7"
    & skf18("6","3","8","2","2","5","1") = "7"
    & skf18("6","3","8","2","2","6","1") = "7"
    & skf18("6","3","8","2","2","7","1") = "7"
    & skf18("6","3","8","2","2","8","1") = "7"
    & skf18("6","3","8","2","2","9","1") = "8"
    & skf18("6","3","8","2","2","10","1") = "9"
    & skf18("6","3","8","2","3","1","1") = "7"
    & skf18("6","3","8","2","3","2","1") = "7"
    & skf18("6","3","8","2","3","3","1") = "7"
    & skf18("6","3","8","2","3","4","1") = "7"
    & skf18("6","3","8","2","3","5","1") = "7"
    & skf18("6","3","8","2","3","6","1") = "7"
    & skf18("6","3","8","2","3","7","1") = "7"
    & skf18("6","3","8","2","3","8","1") = "7"
    & skf18("6","3","8","2","3","9","1") = "8"
    & skf18("6","3","8","2","3","10","1") = "9"
    & skf18("6","3","8","2","4","1","1") = "7"
    & skf18("6","3","8","2","4","2","1") = "7"
    & skf18("6","3","8","2","4","3","1") = "7"
    & skf18("6","3","8","2","4","4","1") = "7"
    & skf18("6","3","8","2","4","5","1") = "7"
    & skf18("6","3","8","2","4","6","1") = "7"
    & skf18("6","3","8","2","4","7","1") = "7"
    & skf18("6","3","8","2","4","8","1") = "7"
    & skf18("6","3","8","2","4","9","1") = "8"
    & skf18("6","3","8","2","4","10","1") = "9"
    & skf18("6","3","8","2","5","1","1") = "7"
    & skf18("6","3","8","2","5","2","1") = "7"
    & skf18("6","3","8","2","5","3","1") = "7"
    & skf18("6","3","8","2","5","4","1") = "7"
    & skf18("6","3","8","2","5","5","1") = "7"
    & skf18("6","3","8","2","5","6","1") = "7"
    & skf18("6","3","8","2","5","7","1") = "7"
    & skf18("6","3","8","2","5","8","1") = "7"
    & skf18("6","3","8","2","5","9","1") = "8"
    & skf18("6","3","8","2","5","10","1") = "9"
    & skf18("6","3","8","2","6","1","1") = "7"
    & skf18("6","3","8","2","6","2","1") = "7"
    & skf18("6","3","8","2","6","3","1") = "7"
    & skf18("6","3","8","2","6","4","1") = "7"
    & skf18("6","3","8","2","6","5","1") = "7"
    & skf18("6","3","8","2","6","6","1") = "7"
    & skf18("6","3","8","2","6","7","1") = "7"
    & skf18("6","3","8","2","6","8","1") = "7"
    & skf18("6","3","8","2","6","9","1") = "8"
    & skf18("6","3","8","2","6","10","1") = "9"
    & skf18("6","3","8","2","7","1","1") = "7"
    & skf18("6","3","8","2","7","2","1") = "7"
    & skf18("6","3","8","2","7","3","1") = "7"
    & skf18("6","3","8","2","7","4","1") = "7"
    & skf18("6","3","8","2","7","5","1") = "7"
    & skf18("6","3","8","2","7","6","1") = "7"
    & skf18("6","3","8","2","7","7","1") = "7"
    & skf18("6","3","8","2","7","8","1") = "7"
    & skf18("6","3","8","2","7","9","1") = "8"
    & skf18("6","3","8","2","7","10","1") = "9"
    & skf18("6","3","8","2","8","1","1") = "7"
    & skf18("6","3","8","2","8","2","1") = "7"
    & skf18("6","3","8","2","8","3","1") = "7"
    & skf18("6","3","8","2","8","4","1") = "7"
    & skf18("6","3","8","2","8","5","1") = "7"
    & skf18("6","3","8","2","8","6","1") = "7"
    & skf18("6","3","8","2","8","7","1") = "7"
    & skf18("6","3","8","2","8","8","1") = "7"
    & skf18("6","3","8","2","8","9","1") = "8"
    & skf18("6","3","8","2","8","10","1") = "9"
    & skf18("6","3","8","2","9","1","1") = "8"
    & skf18("6","3","8","2","9","2","1") = "8"
    & skf18("6","3","8","2","9","3","1") = "8"
    & skf18("6","3","8","2","9","4","1") = "8"
    & skf18("6","3","8","2","9","5","1") = "8"
    & skf18("6","3","8","2","9","6","1") = "8"
    & skf18("6","3","8","2","9","7","1") = "8"
    & skf18("6","3","8","2","9","8","1") = "8"
    & skf18("6","3","8","2","9","9","1") = "8"
    & skf18("6","3","8","2","9","10","1") = "9"
    & skf18("6","3","8","2","10","1","1") = "9"
    & skf18("6","3","8","2","10","2","1") = "9"
    & skf18("6","3","8","2","10","3","1") = "9"
    & skf18("6","3","8","2","10","4","1") = "9"
    & skf18("6","3","8","2","10","5","1") = "9"
    & skf18("6","3","8","2","10","6","1") = "9"
    & skf18("6","3","8","2","10","7","1") = "9"
    & skf18("6","3","8","2","10","8","1") = "9"
    & skf18("6","3","8","2","10","9","1") = "9"
    & skf18("6","3","8","2","10","10","1") = "9"
    & skf18("6","3","8","3","1","1","1") = "7"
    & skf18("6","3","8","3","1","2","1") = "7"
    & skf18("6","3","8","3","1","3","1") = "7"
    & skf18("6","3","8","3","1","4","1") = "7"
    & skf18("6","3","8","3","1","5","1") = "7"
    & skf18("6","3","8","3","1","6","1") = "7"
    & skf18("6","3","8","3","1","7","1") = "7"
    & skf18("6","3","8","3","1","8","1") = "7"
    & skf18("6","3","8","3","1","9","1") = "8"
    & skf18("6","3","8","3","1","10","1") = "9"
    & skf18("6","3","8","3","2","1","1") = "7"
    & skf18("6","3","8","3","2","2","1") = "7"
    & skf18("6","3","8","3","2","3","1") = "7"
    & skf18("6","3","8","3","2","4","1") = "7"
    & skf18("6","3","8","3","2","5","1") = "7"
    & skf18("6","3","8","3","2","6","1") = "7"
    & skf18("6","3","8","3","2","7","1") = "7"
    & skf18("6","3","8","3","2","8","1") = "7"
    & skf18("6","3","8","3","2","9","1") = "8"
    & skf18("6","3","8","3","2","10","1") = "9"
    & skf18("6","3","8","3","3","1","1") = "7"
    & skf18("6","3","8","3","3","2","1") = "7"
    & skf18("6","3","8","3","3","3","1") = "7"
    & skf18("6","3","8","3","3","4","1") = "7"
    & skf18("6","3","8","3","3","5","1") = "7"
    & skf18("6","3","8","3","3","6","1") = "7"
    & skf18("6","3","8","3","3","7","1") = "7"
    & skf18("6","3","8","3","3","8","1") = "7"
    & skf18("6","3","8","3","3","9","1") = "8"
    & skf18("6","3","8","3","3","10","1") = "9"
    & skf18("6","3","8","3","4","1","1") = "7"
    & skf18("6","3","8","3","4","2","1") = "7"
    & skf18("6","3","8","3","4","3","1") = "7"
    & skf18("6","3","8","3","4","4","1") = "7"
    & skf18("6","3","8","3","4","5","1") = "7"
    & skf18("6","3","8","3","4","6","1") = "7"
    & skf18("6","3","8","3","4","7","1") = "7"
    & skf18("6","3","8","3","4","8","1") = "7"
    & skf18("6","3","8","3","4","9","1") = "8"
    & skf18("6","3","8","3","4","10","1") = "9"
    & skf18("6","3","8","3","5","1","1") = "7"
    & skf18("6","3","8","3","5","2","1") = "7"
    & skf18("6","3","8","3","5","3","1") = "7"
    & skf18("6","3","8","3","5","4","1") = "7"
    & skf18("6","3","8","3","5","5","1") = "7"
    & skf18("6","3","8","3","5","6","1") = "7"
    & skf18("6","3","8","3","5","7","1") = "7"
    & skf18("6","3","8","3","5","8","1") = "7"
    & skf18("6","3","8","3","5","9","1") = "8"
    & skf18("6","3","8","3","5","10","1") = "9"
    & skf18("6","3","8","3","6","1","1") = "7"
    & skf18("6","3","8","3","6","2","1") = "7"
    & skf18("6","3","8","3","6","3","1") = "7"
    & skf18("6","3","8","3","6","4","1") = "7"
    & skf18("6","3","8","3","6","5","1") = "7"
    & skf18("6","3","8","3","6","6","1") = "7"
    & skf18("6","3","8","3","6","7","1") = "7"
    & skf18("6","3","8","3","6","8","1") = "7"
    & skf18("6","3","8","3","6","9","1") = "8"
    & skf18("6","3","8","3","6","10","1") = "9"
    & skf18("6","3","8","3","7","1","1") = "7"
    & skf18("6","3","8","3","7","2","1") = "7"
    & skf18("6","3","8","3","7","3","1") = "7"
    & skf18("6","3","8","3","7","4","1") = "7"
    & skf18("6","3","8","3","7","5","1") = "7"
    & skf18("6","3","8","3","7","6","1") = "7"
    & skf18("6","3","8","3","7","7","1") = "7"
    & skf18("6","3","8","3","7","8","1") = "7"
    & skf18("6","3","8","3","7","9","1") = "8"
    & skf18("6","3","8","3","7","10","1") = "9"
    & skf18("6","3","8","3","8","1","1") = "7"
    & skf18("6","3","8","3","8","2","1") = "7"
    & skf18("6","3","8","3","8","3","1") = "7"
    & skf18("6","3","8","3","8","4","1") = "7"
    & skf18("6","3","8","3","8","5","1") = "7"
    & skf18("6","3","8","3","8","6","1") = "7"
    & skf18("6","3","8","3","8","7","1") = "7"
    & skf18("6","3","8","3","8","8","1") = "7"
    & skf18("6","3","8","3","8","9","1") = "8"
    & skf18("6","3","8","3","8","10","1") = "9"
    & skf18("6","3","8","3","9","1","1") = "8"
    & skf18("6","3","8","3","9","2","1") = "8"
    & skf18("6","3","8","3","9","3","1") = "8"
    & skf18("6","3","8","3","9","4","1") = "8"
    & skf18("6","3","8","3","9","5","1") = "8"
    & skf18("6","3","8","3","9","6","1") = "8"
    & skf18("6","3","8","3","9","7","1") = "8"
    & skf18("6","3","8","3","9","8","1") = "8"
    & skf18("6","3","8","3","9","9","1") = "8"
    & skf18("6","3","8","3","9","10","1") = "9"
    & skf18("6","3","8","3","10","1","1") = "9"
    & skf18("6","3","8","3","10","2","1") = "9"
    & skf18("6","3","8","3","10","3","1") = "9"
    & skf18("6","3","8","3","10","4","1") = "9"
    & skf18("6","3","8","3","10","5","1") = "9"
    & skf18("6","3","8","3","10","6","1") = "9"
    & skf18("6","3","8","3","10","7","1") = "9"
    & skf18("6","3","8","3","10","8","1") = "9"
    & skf18("6","3","8","3","10","9","1") = "9"
    & skf18("6","3","8","3","10","10","1") = "9"
    & skf18("6","3","8","4","1","1","1") = "7"
    & skf18("6","3","8","4","1","2","1") = "7"
    & skf18("6","3","8","4","1","3","1") = "7"
    & skf18("6","3","8","4","1","4","1") = "7"
    & skf18("6","3","8","4","1","5","1") = "7"
    & skf18("6","3","8","4","1","6","1") = "7"
    & skf18("6","3","8","4","1","7","1") = "7"
    & skf18("6","3","8","4","1","8","1") = "7"
    & skf18("6","3","8","4","1","9","1") = "8"
    & skf18("6","3","8","4","1","10","1") = "9"
    & skf18("6","3","8","4","2","1","1") = "7"
    & skf18("6","3","8","4","2","2","1") = "7"
    & skf18("6","3","8","4","2","3","1") = "7"
    & skf18("6","3","8","4","2","4","1") = "7"
    & skf18("6","3","8","4","2","5","1") = "7"
    & skf18("6","3","8","4","2","6","1") = "7"
    & skf18("6","3","8","4","2","7","1") = "7"
    & skf18("6","3","8","4","2","8","1") = "7"
    & skf18("6","3","8","4","2","9","1") = "8"
    & skf18("6","3","8","4","2","10","1") = "9"
    & skf18("6","3","8","4","3","1","1") = "7"
    & skf18("6","3","8","4","3","2","1") = "7"
    & skf18("6","3","8","4","3","3","1") = "7"
    & skf18("6","3","8","4","3","4","1") = "7"
    & skf18("6","3","8","4","3","5","1") = "7"
    & skf18("6","3","8","4","3","6","1") = "7"
    & skf18("6","3","8","4","3","7","1") = "7"
    & skf18("6","3","8","4","3","8","1") = "7"
    & skf18("6","3","8","4","3","9","1") = "8"
    & skf18("6","3","8","4","3","10","1") = "9"
    & skf18("6","3","8","4","4","1","1") = "7"
    & skf18("6","3","8","4","4","2","1") = "7"
    & skf18("6","3","8","4","4","3","1") = "7"
    & skf18("6","3","8","4","4","4","1") = "7"
    & skf18("6","3","8","4","4","5","1") = "7"
    & skf18("6","3","8","4","4","6","1") = "7"
    & skf18("6","3","8","4","4","7","1") = "7"
    & skf18("6","3","8","4","4","8","1") = "7"
    & skf18("6","3","8","4","4","9","1") = "8"
    & skf18("6","3","8","4","4","10","1") = "9"
    & skf18("6","3","8","4","5","1","1") = "7"
    & skf18("6","3","8","4","5","2","1") = "7"
    & skf18("6","3","8","4","5","3","1") = "7"
    & skf18("6","3","8","4","5","4","1") = "7"
    & skf18("6","3","8","4","5","5","1") = "7"
    & skf18("6","3","8","4","5","6","1") = "7"
    & skf18("6","3","8","4","5","7","1") = "7"
    & skf18("6","3","8","4","5","8","1") = "7"
    & skf18("6","3","8","4","5","9","1") = "8"
    & skf18("6","3","8","4","5","10","1") = "9"
    & skf18("6","3","8","4","6","1","1") = "7"
    & skf18("6","3","8","4","6","2","1") = "7"
    & skf18("6","3","8","4","6","3","1") = "7"
    & skf18("6","3","8","4","6","4","1") = "7"
    & skf18("6","3","8","4","6","5","1") = "7"
    & skf18("6","3","8","4","6","6","1") = "7"
    & skf18("6","3","8","4","6","7","1") = "7"
    & skf18("6","3","8","4","6","8","1") = "7"
    & skf18("6","3","8","4","6","9","1") = "8"
    & skf18("6","3","8","4","6","10","1") = "9"
    & skf18("6","3","8","4","7","1","1") = "7"
    & skf18("6","3","8","4","7","2","1") = "7"
    & skf18("6","3","8","4","7","3","1") = "7"
    & skf18("6","3","8","4","7","4","1") = "7"
    & skf18("6","3","8","4","7","5","1") = "7"
    & skf18("6","3","8","4","7","6","1") = "7"
    & skf18("6","3","8","4","7","7","1") = "7"
    & skf18("6","3","8","4","7","8","1") = "7"
    & skf18("6","3","8","4","7","9","1") = "8"
    & skf18("6","3","8","4","7","10","1") = "9"
    & skf18("6","3","8","4","8","1","1") = "7"
    & skf18("6","3","8","4","8","2","1") = "7"
    & skf18("6","3","8","4","8","3","1") = "7"
    & skf18("6","3","8","4","8","4","1") = "7"
    & skf18("6","3","8","4","8","5","1") = "7"
    & skf18("6","3","8","4","8","6","1") = "7"
    & skf18("6","3","8","4","8","7","1") = "7"
    & skf18("6","3","8","4","8","8","1") = "7"
    & skf18("6","3","8","4","8","9","1") = "8"
    & skf18("6","3","8","4","8","10","1") = "9"
    & skf18("6","3","8","4","9","1","1") = "8"
    & skf18("6","3","8","4","9","2","1") = "8"
    & skf18("6","3","8","4","9","3","1") = "8"
    & skf18("6","3","8","4","9","4","1") = "8"
    & skf18("6","3","8","4","9","5","1") = "8"
    & skf18("6","3","8","4","9","6","1") = "8"
    & skf18("6","3","8","4","9","7","1") = "8"
    & skf18("6","3","8","4","9","8","1") = "8"
    & skf18("6","3","8","4","9","9","1") = "8"
    & skf18("6","3","8","4","9","10","1") = "9"
    & skf18("6","3","8","4","10","1","1") = "9"
    & skf18("6","3","8","4","10","2","1") = "9"
    & skf18("6","3","8","4","10","3","1") = "9"
    & skf18("6","3","8","4","10","4","1") = "9"
    & skf18("6","3","8","4","10","5","1") = "9"
    & skf18("6","3","8","4","10","6","1") = "9"
    & skf18("6","3","8","4","10","7","1") = "9"
    & skf18("6","3","8","4","10","8","1") = "9"
    & skf18("6","3","8","4","10","9","1") = "9"
    & skf18("6","3","8","4","10","10","1") = "9"
    & skf18("6","3","8","5","1","1","1") = "7"
    & skf18("6","3","8","5","1","2","1") = "7"
    & skf18("6","3","8","5","1","3","1") = "7"
    & skf18("6","3","8","5","1","4","1") = "7"
    & skf18("6","3","8","5","1","5","1") = "7"
    & skf18("6","3","8","5","1","6","1") = "7"
    & skf18("6","3","8","5","1","7","1") = "7"
    & skf18("6","3","8","5","1","8","1") = "7"
    & skf18("6","3","8","5","1","9","1") = "8"
    & skf18("6","3","8","5","1","10","1") = "9"
    & skf18("6","3","8","5","2","1","1") = "7"
    & skf18("6","3","8","5","2","2","1") = "7"
    & skf18("6","3","8","5","2","3","1") = "7"
    & skf18("6","3","8","5","2","4","1") = "7"
    & skf18("6","3","8","5","2","5","1") = "7"
    & skf18("6","3","8","5","2","6","1") = "7"
    & skf18("6","3","8","5","2","7","1") = "7"
    & skf18("6","3","8","5","2","8","1") = "7"
    & skf18("6","3","8","5","2","9","1") = "8"
    & skf18("6","3","8","5","2","10","1") = "9"
    & skf18("6","3","8","5","3","1","1") = "7"
    & skf18("6","3","8","5","3","2","1") = "7"
    & skf18("6","3","8","5","3","3","1") = "7"
    & skf18("6","3","8","5","3","4","1") = "7"
    & skf18("6","3","8","5","3","5","1") = "7"
    & skf18("6","3","8","5","3","6","1") = "7"
    & skf18("6","3","8","5","3","7","1") = "7"
    & skf18("6","3","8","5","3","8","1") = "7"
    & skf18("6","3","8","5","3","9","1") = "8"
    & skf18("6","3","8","5","3","10","1") = "9"
    & skf18("6","3","8","5","4","1","1") = "7"
    & skf18("6","3","8","5","4","2","1") = "7"
    & skf18("6","3","8","5","4","3","1") = "7"
    & skf18("6","3","8","5","4","4","1") = "7"
    & skf18("6","3","8","5","4","5","1") = "7"
    & skf18("6","3","8","5","4","6","1") = "7"
    & skf18("6","3","8","5","4","7","1") = "7"
    & skf18("6","3","8","5","4","8","1") = "7"
    & skf18("6","3","8","5","4","9","1") = "8"
    & skf18("6","3","8","5","4","10","1") = "9"
    & skf18("6","3","8","5","5","1","1") = "7"
    & skf18("6","3","8","5","5","2","1") = "7"
    & skf18("6","3","8","5","5","3","1") = "7"
    & skf18("6","3","8","5","5","4","1") = "7"
    & skf18("6","3","8","5","5","5","1") = "7"
    & skf18("6","3","8","5","5","6","1") = "7"
    & skf18("6","3","8","5","5","7","1") = "7"
    & skf18("6","3","8","5","5","8","1") = "7"
    & skf18("6","3","8","5","5","9","1") = "8"
    & skf18("6","3","8","5","5","10","1") = "9"
    & skf18("6","3","8","5","6","1","1") = "7"
    & skf18("6","3","8","5","6","2","1") = "7"
    & skf18("6","3","8","5","6","3","1") = "7"
    & skf18("6","3","8","5","6","4","1") = "7"
    & skf18("6","3","8","5","6","5","1") = "7"
    & skf18("6","3","8","5","6","6","1") = "7"
    & skf18("6","3","8","5","6","7","1") = "7"
    & skf18("6","3","8","5","6","8","1") = "7"
    & skf18("6","3","8","5","6","9","1") = "8"
    & skf18("6","3","8","5","6","10","1") = "9"
    & skf18("6","3","8","5","7","1","1") = "7"
    & skf18("6","3","8","5","7","2","1") = "7"
    & skf18("6","3","8","5","7","3","1") = "7"
    & skf18("6","3","8","5","7","4","1") = "7"
    & skf18("6","3","8","5","7","5","1") = "7"
    & skf18("6","3","8","5","7","6","1") = "7"
    & skf18("6","3","8","5","7","7","1") = "7"
    & skf18("6","3","8","5","7","8","1") = "7"
    & skf18("6","3","8","5","7","9","1") = "8"
    & skf18("6","3","8","5","7","10","1") = "9"
    & skf18("6","3","8","5","8","1","1") = "7"
    & skf18("6","3","8","5","8","2","1") = "7"
    & skf18("6","3","8","5","8","3","1") = "7"
    & skf18("6","3","8","5","8","4","1") = "7"
    & skf18("6","3","8","5","8","5","1") = "7"
    & skf18("6","3","8","5","8","6","1") = "7"
    & skf18("6","3","8","5","8","7","1") = "7"
    & skf18("6","3","8","5","8","8","1") = "7"
    & skf18("6","3","8","5","8","9","1") = "8"
    & skf18("6","3","8","5","8","10","1") = "9"
    & skf18("6","3","8","5","9","1","1") = "8"
    & skf18("6","3","8","5","9","2","1") = "8"
    & skf18("6","3","8","5","9","3","1") = "8"
    & skf18("6","3","8","5","9","4","1") = "8"
    & skf18("6","3","8","5","9","5","1") = "8"
    & skf18("6","3","8","5","9","6","1") = "8"
    & skf18("6","3","8","5","9","7","1") = "8"
    & skf18("6","3","8","5","9","8","1") = "8"
    & skf18("6","3","8","5","9","9","1") = "8"
    & skf18("6","3","8","5","9","10","1") = "9"
    & skf18("6","3","8","5","10","1","1") = "9"
    & skf18("6","3","8","5","10","2","1") = "9"
    & skf18("6","3","8","5","10","3","1") = "9"
    & skf18("6","3","8","5","10","4","1") = "9"
    & skf18("6","3","8","5","10","5","1") = "9"
    & skf18("6","3","8","5","10","6","1") = "9"
    & skf18("6","3","8","5","10","7","1") = "9"
    & skf18("6","3","8","5","10","8","1") = "9"
    & skf18("6","3","8","5","10","9","1") = "9"
    & skf18("6","3","8","5","10","10","1") = "9"
    & skf18("6","3","8","6","1","1","1") = "7"
    & skf18("6","3","8","6","1","2","1") = "7"
    & skf18("6","3","8","6","1","3","1") = "7"
    & skf18("6","3","8","6","1","4","1") = "7"
    & skf18("6","3","8","6","1","5","1") = "7"
    & skf18("6","3","8","6","1","6","1") = "7"
    & skf18("6","3","8","6","1","7","1") = "7"
    & skf18("6","3","8","6","1","8","1") = "7"
    & skf18("6","3","8","6","1","9","1") = "8"
    & skf18("6","3","8","6","1","10","1") = "9"
    & skf18("6","3","8","6","2","1","1") = "7"
    & skf18("6","3","8","6","2","2","1") = "7"
    & skf18("6","3","8","6","2","3","1") = "7"
    & skf18("6","3","8","6","2","4","1") = "7"
    & skf18("6","3","8","6","2","5","1") = "7"
    & skf18("6","3","8","6","2","6","1") = "7"
    & skf18("6","3","8","6","2","7","1") = "7"
    & skf18("6","3","8","6","2","8","1") = "7"
    & skf18("6","3","8","6","2","9","1") = "8"
    & skf18("6","3","8","6","2","10","1") = "9"
    & skf18("6","3","8","6","3","1","1") = "7"
    & skf18("6","3","8","6","3","2","1") = "7"
    & skf18("6","3","8","6","3","3","1") = "7"
    & skf18("6","3","8","6","3","4","1") = "7"
    & skf18("6","3","8","6","3","5","1") = "7"
    & skf18("6","3","8","6","3","6","1") = "7"
    & skf18("6","3","8","6","3","7","1") = "7"
    & skf18("6","3","8","6","3","8","1") = "7"
    & skf18("6","3","8","6","3","9","1") = "8"
    & skf18("6","3","8","6","3","10","1") = "9"
    & skf18("6","3","8","6","4","1","1") = "7"
    & skf18("6","3","8","6","4","2","1") = "7"
    & skf18("6","3","8","6","4","3","1") = "7"
    & skf18("6","3","8","6","4","4","1") = "7"
    & skf18("6","3","8","6","4","5","1") = "7"
    & skf18("6","3","8","6","4","6","1") = "7"
    & skf18("6","3","8","6","4","7","1") = "7"
    & skf18("6","3","8","6","4","8","1") = "7"
    & skf18("6","3","8","6","4","9","1") = "8"
    & skf18("6","3","8","6","4","10","1") = "9"
    & skf18("6","3","8","6","5","1","1") = "7"
    & skf18("6","3","8","6","5","2","1") = "7"
    & skf18("6","3","8","6","5","3","1") = "7"
    & skf18("6","3","8","6","5","4","1") = "7"
    & skf18("6","3","8","6","5","5","1") = "7"
    & skf18("6","3","8","6","5","6","1") = "7"
    & skf18("6","3","8","6","5","7","1") = "7"
    & skf18("6","3","8","6","5","8","1") = "7"
    & skf18("6","3","8","6","5","9","1") = "8"
    & skf18("6","3","8","6","5","10","1") = "9"
    & skf18("6","3","8","6","6","1","1") = "7"
    & skf18("6","3","8","6","6","2","1") = "7"
    & skf18("6","3","8","6","6","3","1") = "7"
    & skf18("6","3","8","6","6","4","1") = "7"
    & skf18("6","3","8","6","6","5","1") = "7"
    & skf18("6","3","8","6","6","6","1") = "7"
    & skf18("6","3","8","6","6","7","1") = "7"
    & skf18("6","3","8","6","6","8","1") = "7"
    & skf18("6","3","8","6","6","9","1") = "8"
    & skf18("6","3","8","6","6","10","1") = "9"
    & skf18("6","3","8","6","7","1","1") = "7"
    & skf18("6","3","8","6","7","2","1") = "7"
    & skf18("6","3","8","6","7","3","1") = "7"
    & skf18("6","3","8","6","7","4","1") = "7"
    & skf18("6","3","8","6","7","5","1") = "7"
    & skf18("6","3","8","6","7","6","1") = "7"
    & skf18("6","3","8","6","7","7","1") = "7"
    & skf18("6","3","8","6","7","8","1") = "7"
    & skf18("6","3","8","6","7","9","1") = "8"
    & skf18("6","3","8","6","7","10","1") = "9"
    & skf18("6","3","8","6","8","1","1") = "7"
    & skf18("6","3","8","6","8","2","1") = "7"
    & skf18("6","3","8","6","8","3","1") = "7"
    & skf18("6","3","8","6","8","4","1") = "7"
    & skf18("6","3","8","6","8","5","1") = "7"
    & skf18("6","3","8","6","8","6","1") = "7"
    & skf18("6","3","8","6","8","7","1") = "7"
    & skf18("6","3","8","6","8","8","1") = "7"
    & skf18("6","3","8","6","8","9","1") = "8"
    & skf18("6","3","8","6","8","10","1") = "9"
    & skf18("6","3","8","6","9","1","1") = "8"
    & skf18("6","3","8","6","9","2","1") = "8"
    & skf18("6","3","8","6","9","3","1") = "8"
    & skf18("6","3","8","6","9","4","1") = "8"
    & skf18("6","3","8","6","9","5","1") = "8"
    & skf18("6","3","8","6","9","6","1") = "8"
    & skf18("6","3","8","6","9","7","1") = "8"
    & skf18("6","3","8","6","9","8","1") = "8"
    & skf18("6","3","8","6","9","9","1") = "8"
    & skf18("6","3","8","6","9","10","1") = "9"
    & skf18("6","3","8","6","10","1","1") = "9"
    & skf18("6","3","8","6","10","2","1") = "9"
    & skf18("6","3","8","6","10","3","1") = "9"
    & skf18("6","3","8","6","10","4","1") = "9"
    & skf18("6","3","8","6","10","5","1") = "9"
    & skf18("6","3","8","6","10","6","1") = "9"
    & skf18("6","3","8","6","10","7","1") = "9"
    & skf18("6","3","8","6","10","8","1") = "9"
    & skf18("6","3","8","6","10","9","1") = "9"
    & skf18("6","3","8","6","10","10","1") = "9"
    & skf18("6","3","8","7","1","1","1") = "7"
    & skf18("6","3","8","7","1","2","1") = "7"
    & skf18("6","3","8","7","1","3","1") = "7"
    & skf18("6","3","8","7","1","4","1") = "7"
    & skf18("6","3","8","7","1","5","1") = "7"
    & skf18("6","3","8","7","1","6","1") = "7"
    & skf18("6","3","8","7","1","7","1") = "7"
    & skf18("6","3","8","7","1","8","1") = "7"
    & skf18("6","3","8","7","1","9","1") = "8"
    & skf18("6","3","8","7","1","10","1") = "9"
    & skf18("6","3","8","7","2","1","1") = "7"
    & skf18("6","3","8","7","2","2","1") = "7"
    & skf18("6","3","8","7","2","3","1") = "7"
    & skf18("6","3","8","7","2","4","1") = "7"
    & skf18("6","3","8","7","2","5","1") = "7"
    & skf18("6","3","8","7","2","6","1") = "7"
    & skf18("6","3","8","7","2","7","1") = "7"
    & skf18("6","3","8","7","2","8","1") = "7"
    & skf18("6","3","8","7","2","9","1") = "8"
    & skf18("6","3","8","7","2","10","1") = "9"
    & skf18("6","3","8","7","3","1","1") = "7"
    & skf18("6","3","8","7","3","2","1") = "7"
    & skf18("6","3","8","7","3","3","1") = "7"
    & skf18("6","3","8","7","3","4","1") = "7"
    & skf18("6","3","8","7","3","5","1") = "7"
    & skf18("6","3","8","7","3","6","1") = "7"
    & skf18("6","3","8","7","3","7","1") = "7"
    & skf18("6","3","8","7","3","8","1") = "7"
    & skf18("6","3","8","7","3","9","1") = "8"
    & skf18("6","3","8","7","3","10","1") = "9"
    & skf18("6","3","8","7","4","1","1") = "7"
    & skf18("6","3","8","7","4","2","1") = "7"
    & skf18("6","3","8","7","4","3","1") = "7"
    & skf18("6","3","8","7","4","4","1") = "7"
    & skf18("6","3","8","7","4","5","1") = "7"
    & skf18("6","3","8","7","4","6","1") = "7"
    & skf18("6","3","8","7","4","7","1") = "7"
    & skf18("6","3","8","7","4","8","1") = "7"
    & skf18("6","3","8","7","4","9","1") = "8"
    & skf18("6","3","8","7","4","10","1") = "9"
    & skf18("6","3","8","7","5","1","1") = "7"
    & skf18("6","3","8","7","5","2","1") = "7"
    & skf18("6","3","8","7","5","3","1") = "7"
    & skf18("6","3","8","7","5","4","1") = "7"
    & skf18("6","3","8","7","5","5","1") = "7"
    & skf18("6","3","8","7","5","6","1") = "7"
    & skf18("6","3","8","7","5","7","1") = "7"
    & skf18("6","3","8","7","5","8","1") = "7"
    & skf18("6","3","8","7","5","9","1") = "8"
    & skf18("6","3","8","7","5","10","1") = "9"
    & skf18("6","3","8","7","6","1","1") = "7"
    & skf18("6","3","8","7","6","2","1") = "7"
    & skf18("6","3","8","7","6","3","1") = "7"
    & skf18("6","3","8","7","6","4","1") = "7"
    & skf18("6","3","8","7","6","5","1") = "7"
    & skf18("6","3","8","7","6","6","1") = "7"
    & skf18("6","3","8","7","6","7","1") = "7"
    & skf18("6","3","8","7","6","8","1") = "7"
    & skf18("6","3","8","7","6","9","1") = "8"
    & skf18("6","3","8","7","6","10","1") = "9"
    & skf18("6","3","8","7","7","1","1") = "7"
    & skf18("6","3","8","7","7","2","1") = "7"
    & skf18("6","3","8","7","7","3","1") = "7"
    & skf18("6","3","8","7","7","4","1") = "7"
    & skf18("6","3","8","7","7","5","1") = "7"
    & skf18("6","3","8","7","7","6","1") = "7"
    & skf18("6","3","8","7","7","7","1") = "7"
    & skf18("6","3","8","7","7","8","1") = "7"
    & skf18("6","3","8","7","7","9","1") = "8"
    & skf18("6","3","8","7","7","10","1") = "9"
    & skf18("6","3","8","7","8","1","1") = "7"
    & skf18("6","3","8","7","8","2","1") = "7"
    & skf18("6","3","8","7","8","3","1") = "7"
    & skf18("6","3","8","7","8","4","1") = "7"
    & skf18("6","3","8","7","8","5","1") = "7"
    & skf18("6","3","8","7","8","6","1") = "7"
    & skf18("6","3","8","7","8","7","1") = "7"
    & skf18("6","3","8","7","8","8","1") = "7"
    & skf18("6","3","8","7","8","9","1") = "8"
    & skf18("6","3","8","7","8","10","1") = "9"
    & skf18("6","3","8","7","9","1","1") = "8"
    & skf18("6","3","8","7","9","2","1") = "8"
    & skf18("6","3","8","7","9","3","1") = "8"
    & skf18("6","3","8","7","9","4","1") = "8"
    & skf18("6","3","8","7","9","5","1") = "8"
    & skf18("6","3","8","7","9","6","1") = "8"
    & skf18("6","3","8","7","9","7","1") = "8"
    & skf18("6","3","8","7","9","8","1") = "8"
    & skf18("6","3","8","7","9","9","1") = "8"
    & skf18("6","3","8","7","9","10","1") = "9"
    & skf18("6","3","8","7","10","1","1") = "9"
    & skf18("6","3","8","7","10","2","1") = "9"
    & skf18("6","3","8","7","10","3","1") = "9"
    & skf18("6","3","8","7","10","4","1") = "9"
    & skf18("6","3","8","7","10","5","1") = "9"
    & skf18("6","3","8","7","10","6","1") = "9"
    & skf18("6","3","8","7","10","7","1") = "9"
    & skf18("6","3","8","7","10","8","1") = "9"
    & skf18("6","3","8","7","10","9","1") = "9"
    & skf18("6","3","8","7","10","10","1") = "9"
    & skf18("6","3","8","8","1","1","1") = "7"
    & skf18("6","3","8","8","1","2","1") = "7"
    & skf18("6","3","8","8","1","3","1") = "7"
    & skf18("6","3","8","8","1","4","1") = "7"
    & skf18("6","3","8","8","1","5","1") = "7"
    & skf18("6","3","8","8","1","6","1") = "7"
    & skf18("6","3","8","8","1","7","1") = "7"
    & skf18("6","3","8","8","1","8","1") = "7"
    & skf18("6","3","8","8","1","9","1") = "8"
    & skf18("6","3","8","8","1","10","1") = "9"
    & skf18("6","3","8","8","2","1","1") = "7"
    & skf18("6","3","8","8","2","2","1") = "7"
    & skf18("6","3","8","8","2","3","1") = "7"
    & skf18("6","3","8","8","2","4","1") = "7"
    & skf18("6","3","8","8","2","5","1") = "7"
    & skf18("6","3","8","8","2","6","1") = "7"
    & skf18("6","3","8","8","2","7","1") = "7"
    & skf18("6","3","8","8","2","8","1") = "7"
    & skf18("6","3","8","8","2","9","1") = "8"
    & skf18("6","3","8","8","2","10","1") = "9"
    & skf18("6","3","8","8","3","1","1") = "7"
    & skf18("6","3","8","8","3","2","1") = "7"
    & skf18("6","3","8","8","3","3","1") = "7"
    & skf18("6","3","8","8","3","4","1") = "7"
    & skf18("6","3","8","8","3","5","1") = "7"
    & skf18("6","3","8","8","3","6","1") = "7"
    & skf18("6","3","8","8","3","7","1") = "7"
    & skf18("6","3","8","8","3","8","1") = "7"
    & skf18("6","3","8","8","3","9","1") = "8"
    & skf18("6","3","8","8","3","10","1") = "9"
    & skf18("6","3","8","8","4","1","1") = "7"
    & skf18("6","3","8","8","4","2","1") = "7"
    & skf18("6","3","8","8","4","3","1") = "7"
    & skf18("6","3","8","8","4","4","1") = "7"
    & skf18("6","3","8","8","4","5","1") = "7"
    & skf18("6","3","8","8","4","6","1") = "7"
    & skf18("6","3","8","8","4","7","1") = "7"
    & skf18("6","3","8","8","4","8","1") = "7"
    & skf18("6","3","8","8","4","9","1") = "8"
    & skf18("6","3","8","8","4","10","1") = "9"
    & skf18("6","3","8","8","5","1","1") = "7"
    & skf18("6","3","8","8","5","2","1") = "7"
    & skf18("6","3","8","8","5","3","1") = "7"
    & skf18("6","3","8","8","5","4","1") = "7"
    & skf18("6","3","8","8","5","5","1") = "7"
    & skf18("6","3","8","8","5","6","1") = "7"
    & skf18("6","3","8","8","5","7","1") = "7"
    & skf18("6","3","8","8","5","8","1") = "7"
    & skf18("6","3","8","8","5","9","1") = "8"
    & skf18("6","3","8","8","5","10","1") = "9"
    & skf18("6","3","8","8","6","1","1") = "7"
    & skf18("6","3","8","8","6","2","1") = "7"
    & skf18("6","3","8","8","6","3","1") = "7"
    & skf18("6","3","8","8","6","4","1") = "7"
    & skf18("6","3","8","8","6","5","1") = "7"
    & skf18("6","3","8","8","6","6","1") = "7"
    & skf18("6","3","8","8","6","7","1") = "7"
    & skf18("6","3","8","8","6","8","1") = "7"
    & skf18("6","3","8","8","6","9","1") = "8"
    & skf18("6","3","8","8","6","10","1") = "9"
    & skf18("6","3","8","8","7","1","1") = "7"
    & skf18("6","3","8","8","7","2","1") = "7"
    & skf18("6","3","8","8","7","3","1") = "7"
    & skf18("6","3","8","8","7","4","1") = "7"
    & skf18("6","3","8","8","7","5","1") = "7"
    & skf18("6","3","8","8","7","6","1") = "7"
    & skf18("6","3","8","8","7","7","1") = "7"
    & skf18("6","3","8","8","7","8","1") = "7"
    & skf18("6","3","8","8","7","9","1") = "8"
    & skf18("6","3","8","8","7","10","1") = "9"
    & skf18("6","3","8","8","8","1","1") = "7"
    & skf18("6","3","8","8","8","2","1") = "7"
    & skf18("6","3","8","8","8","3","1") = "7"
    & skf18("6","3","8","8","8","4","1") = "7"
    & skf18("6","3","8","8","8","5","1") = "7"
    & skf18("6","3","8","8","8","6","1") = "7"
    & skf18("6","3","8","8","8","7","1") = "7"
    & skf18("6","3","8","8","8","8","1") = "7"
    & skf18("6","3","8","8","8","9","1") = "8"
    & skf18("6","3","8","8","8","10","1") = "9"
    & skf18("6","3","8","8","9","1","1") = "8"
    & skf18("6","3","8","8","9","2","1") = "8"
    & skf18("6","3","8","8","9","3","1") = "8"
    & skf18("6","3","8","8","9","4","1") = "8"
    & skf18("6","3","8","8","9","5","1") = "8"
    & skf18("6","3","8","8","9","6","1") = "8"
    & skf18("6","3","8","8","9","7","1") = "8"
    & skf18("6","3","8","8","9","8","1") = "8"
    & skf18("6","3","8","8","9","9","1") = "8"
    & skf18("6","3","8","8","9","10","1") = "9"
    & skf18("6","3","8","8","10","1","1") = "9"
    & skf18("6","3","8","8","10","2","1") = "9"
    & skf18("6","3","8","8","10","3","1") = "9"
    & skf18("6","3","8","8","10","4","1") = "9"
    & skf18("6","3","8","8","10","5","1") = "9"
    & skf18("6","3","8","8","10","6","1") = "9"
    & skf18("6","3","8","8","10","7","1") = "9"
    & skf18("6","3","8","8","10","8","1") = "9"
    & skf18("6","3","8","8","10","9","1") = "9"
    & skf18("6","3","8","8","10","10","1") = "9"
    & skf18("6","3","8","9","1","1","1") = "8"
    & skf18("6","3","8","9","1","2","1") = "8"
    & skf18("6","3","8","9","1","3","1") = "8"
    & skf18("6","3","8","9","1","4","1") = "8"
    & skf18("6","3","8","9","1","5","1") = "8"
    & skf18("6","3","8","9","1","6","1") = "8"
    & skf18("6","3","8","9","1","7","1") = "8"
    & skf18("6","3","8","9","1","8","1") = "8"
    & skf18("6","3","8","9","1","9","1") = "8"
    & skf18("6","3","8","9","1","10","1") = "9"
    & skf18("6","3","8","9","2","1","1") = "8"
    & skf18("6","3","8","9","2","2","1") = "8"
    & skf18("6","3","8","9","2","3","1") = "8"
    & skf18("6","3","8","9","2","4","1") = "8"
    & skf18("6","3","8","9","2","5","1") = "8"
    & skf18("6","3","8","9","2","6","1") = "8"
    & skf18("6","3","8","9","2","7","1") = "8"
    & skf18("6","3","8","9","2","8","1") = "8"
    & skf18("6","3","8","9","2","9","1") = "8"
    & skf18("6","3","8","9","2","10","1") = "9"
    & skf18("6","3","8","9","3","1","1") = "8"
    & skf18("6","3","8","9","3","2","1") = "8"
    & skf18("6","3","8","9","3","3","1") = "8"
    & skf18("6","3","8","9","3","4","1") = "8"
    & skf18("6","3","8","9","3","5","1") = "8"
    & skf18("6","3","8","9","3","6","1") = "8"
    & skf18("6","3","8","9","3","7","1") = "8"
    & skf18("6","3","8","9","3","8","1") = "8"
    & skf18("6","3","8","9","3","9","1") = "8"
    & skf18("6","3","8","9","3","10","1") = "9"
    & skf18("6","3","8","9","4","1","1") = "8"
    & skf18("6","3","8","9","4","2","1") = "8"
    & skf18("6","3","8","9","4","3","1") = "8"
    & skf18("6","3","8","9","4","4","1") = "8"
    & skf18("6","3","8","9","4","5","1") = "8"
    & skf18("6","3","8","9","4","6","1") = "8"
    & skf18("6","3","8","9","4","7","1") = "8"
    & skf18("6","3","8","9","4","8","1") = "8"
    & skf18("6","3","8","9","4","9","1") = "8"
    & skf18("6","3","8","9","4","10","1") = "9"
    & skf18("6","3","8","9","5","1","1") = "8"
    & skf18("6","3","8","9","5","2","1") = "8"
    & skf18("6","3","8","9","5","3","1") = "8"
    & skf18("6","3","8","9","5","4","1") = "8"
    & skf18("6","3","8","9","5","5","1") = "8"
    & skf18("6","3","8","9","5","6","1") = "8"
    & skf18("6","3","8","9","5","7","1") = "8"
    & skf18("6","3","8","9","5","8","1") = "8"
    & skf18("6","3","8","9","5","9","1") = "8"
    & skf18("6","3","8","9","5","10","1") = "9"
    & skf18("6","3","8","9","6","1","1") = "8"
    & skf18("6","3","8","9","6","2","1") = "8"
    & skf18("6","3","8","9","6","3","1") = "8"
    & skf18("6","3","8","9","6","4","1") = "8"
    & skf18("6","3","8","9","6","5","1") = "8"
    & skf18("6","3","8","9","6","6","1") = "8"
    & skf18("6","3","8","9","6","7","1") = "8"
    & skf18("6","3","8","9","6","8","1") = "8"
    & skf18("6","3","8","9","6","9","1") = "8"
    & skf18("6","3","8","9","6","10","1") = "9"
    & skf18("6","3","8","9","7","1","1") = "8"
    & skf18("6","3","8","9","7","2","1") = "8"
    & skf18("6","3","8","9","7","3","1") = "8"
    & skf18("6","3","8","9","7","4","1") = "8"
    & skf18("6","3","8","9","7","5","1") = "8"
    & skf18("6","3","8","9","7","6","1") = "8"
    & skf18("6","3","8","9","7","7","1") = "8"
    & skf18("6","3","8","9","7","8","1") = "8"
    & skf18("6","3","8","9","7","9","1") = "8"
    & skf18("6","3","8","9","7","10","1") = "9"
    & skf18("6","3","8","9","8","1","1") = "8"
    & skf18("6","3","8","9","8","2","1") = "8"
    & skf18("6","3","8","9","8","3","1") = "8"
    & skf18("6","3","8","9","8","4","1") = "8"
    & skf18("6","3","8","9","8","5","1") = "8"
    & skf18("6","3","8","9","8","6","1") = "8"
    & skf18("6","3","8","9","8","7","1") = "8"
    & skf18("6","3","8","9","8","8","1") = "8"
    & skf18("6","3","8","9","8","9","1") = "8"
    & skf18("6","3","8","9","8","10","1") = "9"
    & skf18("6","3","8","9","9","1","1") = "8"
    & skf18("6","3","8","9","9","2","1") = "8"
    & skf18("6","3","8","9","9","3","1") = "8"
    & skf18("6","3","8","9","9","4","1") = "8"
    & skf18("6","3","8","9","9","5","1") = "8"
    & skf18("6","3","8","9","9","6","1") = "8"
    & skf18("6","3","8","9","9","7","1") = "8"
    & skf18("6","3","8","9","9","8","1") = "8"
    & skf18("6","3","8","9","9","9","1") = "8"
    & skf18("6","3","8","9","9","10","1") = "9"
    & skf18("6","3","8","9","10","1","1") = "9"
    & skf18("6","3","8","9","10","2","1") = "9"
    & skf18("6","3","8","9","10","3","1") = "9"
    & skf18("6","3","8","9","10","4","1") = "9"
    & skf18("6","3","8","9","10","5","1") = "9"
    & skf18("6","3","8","9","10","6","1") = "9"
    & skf18("6","3","8","9","10","7","1") = "9"
    & skf18("6","3","8","9","10","8","1") = "9"
    & skf18("6","3","8","9","10","9","1") = "9"
    & skf18("6","3","8","9","10","10","1") = "9"
    & skf18("6","3","8","10","1","1","1") = "9"
    & skf18("6","3","8","10","1","2","1") = "9"
    & skf18("6","3","8","10","1","3","1") = "9"
    & skf18("6","3","8","10","1","4","1") = "9"
    & skf18("6","3","8","10","1","5","1") = "9"
    & skf18("6","3","8","10","1","6","1") = "9"
    & skf18("6","3","8","10","1","7","1") = "9"
    & skf18("6","3","8","10","1","8","1") = "9"
    & skf18("6","3","8","10","1","9","1") = "9"
    & skf18("6","3","8","10","1","10","1") = "9"
    & skf18("6","3","8","10","2","1","1") = "9"
    & skf18("6","3","8","10","2","2","1") = "9"
    & skf18("6","3","8","10","2","3","1") = "9"
    & skf18("6","3","8","10","2","4","1") = "9"
    & skf18("6","3","8","10","2","5","1") = "9"
    & skf18("6","3","8","10","2","6","1") = "9"
    & skf18("6","3","8","10","2","7","1") = "9"
    & skf18("6","3","8","10","2","8","1") = "9"
    & skf18("6","3","8","10","2","9","1") = "9"
    & skf18("6","3","8","10","2","10","1") = "9"
    & skf18("6","3","8","10","3","1","1") = "9"
    & skf18("6","3","8","10","3","2","1") = "9"
    & skf18("6","3","8","10","3","3","1") = "9"
    & skf18("6","3","8","10","3","4","1") = "9"
    & skf18("6","3","8","10","3","5","1") = "9"
    & skf18("6","3","8","10","3","6","1") = "9"
    & skf18("6","3","8","10","3","7","1") = "9"
    & skf18("6","3","8","10","3","8","1") = "9"
    & skf18("6","3","8","10","3","9","1") = "9"
    & skf18("6","3","8","10","3","10","1") = "9"
    & skf18("6","3","8","10","4","1","1") = "9"
    & skf18("6","3","8","10","4","2","1") = "9"
    & skf18("6","3","8","10","4","3","1") = "9"
    & skf18("6","3","8","10","4","4","1") = "9"
    & skf18("6","3","8","10","4","5","1") = "9"
    & skf18("6","3","8","10","4","6","1") = "9"
    & skf18("6","3","8","10","4","7","1") = "9"
    & skf18("6","3","8","10","4","8","1") = "9"
    & skf18("6","3","8","10","4","9","1") = "9"
    & skf18("6","3","8","10","4","10","1") = "9"
    & skf18("6","3","8","10","5","1","1") = "9"
    & skf18("6","3","8","10","5","2","1") = "9"
    & skf18("6","3","8","10","5","3","1") = "9"
    & skf18("6","3","8","10","5","4","1") = "9"
    & skf18("6","3","8","10","5","5","1") = "9"
    & skf18("6","3","8","10","5","6","1") = "9"
    & skf18("6","3","8","10","5","7","1") = "9"
    & skf18("6","3","8","10","5","8","1") = "9"
    & skf18("6","3","8","10","5","9","1") = "9"
    & skf18("6","3","8","10","5","10","1") = "9"
    & skf18("6","3","8","10","6","1","1") = "9"
    & skf18("6","3","8","10","6","2","1") = "9"
    & skf18("6","3","8","10","6","3","1") = "9"
    & skf18("6","3","8","10","6","4","1") = "9"
    & skf18("6","3","8","10","6","5","1") = "9"
    & skf18("6","3","8","10","6","6","1") = "9"
    & skf18("6","3","8","10","6","7","1") = "9"
    & skf18("6","3","8","10","6","8","1") = "9"
    & skf18("6","3","8","10","6","9","1") = "9"
    & skf18("6","3","8","10","6","10","1") = "9"
    & skf18("6","3","8","10","7","1","1") = "9"
    & skf18("6","3","8","10","7","2","1") = "9"
    & skf18("6","3","8","10","7","3","1") = "9"
    & skf18("6","3","8","10","7","4","1") = "9"
    & skf18("6","3","8","10","7","5","1") = "9"
    & skf18("6","3","8","10","7","6","1") = "9"
    & skf18("6","3","8","10","7","7","1") = "9"
    & skf18("6","3","8","10","7","8","1") = "9"
    & skf18("6","3","8","10","7","9","1") = "9"
    & skf18("6","3","8","10","7","10","1") = "9"
    & skf18("6","3","8","10","8","1","1") = "9"
    & skf18("6","3","8","10","8","2","1") = "9"
    & skf18("6","3","8","10","8","3","1") = "9"
    & skf18("6","3","8","10","8","4","1") = "9"
    & skf18("6","3","8","10","8","5","1") = "9"
    & skf18("6","3","8","10","8","6","1") = "9"
    & skf18("6","3","8","10","8","7","1") = "9"
    & skf18("6","3","8","10","8","8","1") = "9"
    & skf18("6","3","8","10","8","9","1") = "9"
    & skf18("6","3","8","10","8","10","1") = "9"
    & skf18("6","3","8","10","9","1","1") = "9"
    & skf18("6","3","8","10","9","2","1") = "9"
    & skf18("6","3","8","10","9","3","1") = "9"
    & skf18("6","3","8","10","9","4","1") = "9"
    & skf18("6","3","8","10","9","5","1") = "9"
    & skf18("6","3","8","10","9","6","1") = "9"
    & skf18("6","3","8","10","9","7","1") = "9"
    & skf18("6","3","8","10","9","8","1") = "9"
    & skf18("6","3","8","10","9","9","1") = "9"
    & skf18("6","3","8","10","9","10","1") = "9"
    & skf18("6","3","8","10","10","1","1") = "9"
    & skf18("6","3","8","10","10","2","1") = "9"
    & skf18("6","3","8","10","10","3","1") = "9"
    & skf18("6","3","8","10","10","4","1") = "9"
    & skf18("6","3","8","10","10","5","1") = "9"
    & skf18("6","3","8","10","10","6","1") = "9"
    & skf18("6","3","8","10","10","7","1") = "9"
    & skf18("6","3","8","10","10","8","1") = "9"
    & skf18("6","3","8","10","10","9","1") = "9"
    & skf18("6","3","8","10","10","10","1") = "9"
    & skf18("6","3","9","1","1","1","1") = "8"
    & skf18("6","3","9","1","1","2","1") = "8"
    & skf18("6","3","9","1","1","3","1") = "8"
    & skf18("6","3","9","1","1","4","1") = "8"
    & skf18("6","3","9","1","1","5","1") = "8"
    & skf18("6","3","9","1","1","6","1") = "8"
    & skf18("6","3","9","1","1","7","1") = "8"
    & skf18("6","3","9","1","1","8","1") = "8"
    & skf18("6","3","9","1","1","9","1") = "8"
    & skf18("6","3","9","1","1","10","1") = "9"
    & skf18("6","3","9","1","2","1","1") = "8"
    & skf18("6","3","9","1","2","2","1") = "8"
    & skf18("6","3","9","1","2","3","1") = "8"
    & skf18("6","3","9","1","2","4","1") = "8"
    & skf18("6","3","9","1","2","5","1") = "8"
    & skf18("6","3","9","1","2","6","1") = "8"
    & skf18("6","3","9","1","2","7","1") = "8"
    & skf18("6","3","9","1","2","8","1") = "8"
    & skf18("6","3","9","1","2","9","1") = "8"
    & skf18("6","3","9","1","2","10","1") = "9"
    & skf18("6","3","9","1","3","1","1") = "8"
    & skf18("6","3","9","1","3","2","1") = "8"
    & skf18("6","3","9","1","3","3","1") = "8"
    & skf18("6","3","9","1","3","4","1") = "8"
    & skf18("6","3","9","1","3","5","1") = "8"
    & skf18("6","3","9","1","3","6","1") = "8"
    & skf18("6","3","9","1","3","7","1") = "8"
    & skf18("6","3","9","1","3","8","1") = "8"
    & skf18("6","3","9","1","3","9","1") = "8"
    & skf18("6","3","9","1","3","10","1") = "9"
    & skf18("6","3","9","1","4","1","1") = "8"
    & skf18("6","3","9","1","4","2","1") = "8"
    & skf18("6","3","9","1","4","3","1") = "8"
    & skf18("6","3","9","1","4","4","1") = "8"
    & skf18("6","3","9","1","4","5","1") = "8"
    & skf18("6","3","9","1","4","6","1") = "8"
    & skf18("6","3","9","1","4","7","1") = "8"
    & skf18("6","3","9","1","4","8","1") = "8"
    & skf18("6","3","9","1","4","9","1") = "8"
    & skf18("6","3","9","1","4","10","1") = "9"
    & skf18("6","3","9","1","5","1","1") = "8"
    & skf18("6","3","9","1","5","2","1") = "8"
    & skf18("6","3","9","1","5","3","1") = "8"
    & skf18("6","3","9","1","5","4","1") = "8"
    & skf18("6","3","9","1","5","5","1") = "8"
    & skf18("6","3","9","1","5","6","1") = "8"
    & skf18("6","3","9","1","5","7","1") = "8"
    & skf18("6","3","9","1","5","8","1") = "8"
    & skf18("6","3","9","1","5","9","1") = "8"
    & skf18("6","3","9","1","5","10","1") = "9"
    & skf18("6","3","9","1","6","1","1") = "8"
    & skf18("6","3","9","1","6","2","1") = "8"
    & skf18("6","3","9","1","6","3","1") = "8"
    & skf18("6","3","9","1","6","4","1") = "8"
    & skf18("6","3","9","1","6","5","1") = "8"
    & skf18("6","3","9","1","6","6","1") = "8"
    & skf18("6","3","9","1","6","7","1") = "8"
    & skf18("6","3","9","1","6","8","1") = "8"
    & skf18("6","3","9","1","6","9","1") = "8"
    & skf18("6","3","9","1","6","10","1") = "9"
    & skf18("6","3","9","1","7","1","1") = "8"
    & skf18("6","3","9","1","7","2","1") = "8"
    & skf18("6","3","9","1","7","3","1") = "8"
    & skf18("6","3","9","1","7","4","1") = "8"
    & skf18("6","3","9","1","7","5","1") = "8"
    & skf18("6","3","9","1","7","6","1") = "8"
    & skf18("6","3","9","1","7","7","1") = "8"
    & skf18("6","3","9","1","7","8","1") = "8"
    & skf18("6","3","9","1","7","9","1") = "8"
    & skf18("6","3","9","1","7","10","1") = "9"
    & skf18("6","3","9","1","8","1","1") = "8"
    & skf18("6","3","9","1","8","2","1") = "8"
    & skf18("6","3","9","1","8","3","1") = "8"
    & skf18("6","3","9","1","8","4","1") = "8"
    & skf18("6","3","9","1","8","5","1") = "8"
    & skf18("6","3","9","1","8","6","1") = "8"
    & skf18("6","3","9","1","8","7","1") = "8"
    & skf18("6","3","9","1","8","8","1") = "8"
    & skf18("6","3","9","1","8","9","1") = "8"
    & skf18("6","3","9","1","8","10","1") = "9"
    & skf18("6","3","9","1","9","1","1") = "8"
    & skf18("6","3","9","1","9","2","1") = "8"
    & skf18("6","3","9","1","9","3","1") = "8"
    & skf18("6","3","9","1","9","4","1") = "8"
    & skf18("6","3","9","1","9","5","1") = "8"
    & skf18("6","3","9","1","9","6","1") = "8"
    & skf18("6","3","9","1","9","7","1") = "8"
    & skf18("6","3","9","1","9","8","1") = "8"
    & skf18("6","3","9","1","9","9","1") = "8"
    & skf18("6","3","9","1","9","10","1") = "9"
    & skf18("6","3","9","1","10","1","1") = "9"
    & skf18("6","3","9","1","10","2","1") = "9"
    & skf18("6","3","9","1","10","3","1") = "9"
    & skf18("6","3","9","1","10","4","1") = "9"
    & skf18("6","3","9","1","10","5","1") = "9"
    & skf18("6","3","9","1","10","6","1") = "9"
    & skf18("6","3","9","1","10","7","1") = "9"
    & skf18("6","3","9","1","10","8","1") = "9"
    & skf18("6","3","9","1","10","9","1") = "9"
    & skf18("6","3","9","1","10","10","1") = "9"
    & skf18("6","3","9","2","1","1","1") = "8"
    & skf18("6","3","9","2","1","2","1") = "8"
    & skf18("6","3","9","2","1","3","1") = "8"
    & skf18("6","3","9","2","1","4","1") = "8"
    & skf18("6","3","9","2","1","5","1") = "8"
    & skf18("6","3","9","2","1","6","1") = "8"
    & skf18("6","3","9","2","1","7","1") = "8"
    & skf18("6","3","9","2","1","8","1") = "8"
    & skf18("6","3","9","2","1","9","1") = "8"
    & skf18("6","3","9","2","1","10","1") = "9"
    & skf18("6","3","9","2","2","1","1") = "8"
    & skf18("6","3","9","2","2","2","1") = "8"
    & skf18("6","3","9","2","2","3","1") = "8"
    & skf18("6","3","9","2","2","4","1") = "8"
    & skf18("6","3","9","2","2","5","1") = "8"
    & skf18("6","3","9","2","2","6","1") = "8"
    & skf18("6","3","9","2","2","7","1") = "8"
    & skf18("6","3","9","2","2","8","1") = "8"
    & skf18("6","3","9","2","2","9","1") = "8"
    & skf18("6","3","9","2","2","10","1") = "9"
    & skf18("6","3","9","2","3","1","1") = "8"
    & skf18("6","3","9","2","3","2","1") = "8"
    & skf18("6","3","9","2","3","3","1") = "8"
    & skf18("6","3","9","2","3","4","1") = "8"
    & skf18("6","3","9","2","3","5","1") = "8"
    & skf18("6","3","9","2","3","6","1") = "8"
    & skf18("6","3","9","2","3","7","1") = "8"
    & skf18("6","3","9","2","3","8","1") = "8"
    & skf18("6","3","9","2","3","9","1") = "8"
    & skf18("6","3","9","2","3","10","1") = "9"
    & skf18("6","3","9","2","4","1","1") = "8"
    & skf18("6","3","9","2","4","2","1") = "8"
    & skf18("6","3","9","2","4","3","1") = "8"
    & skf18("6","3","9","2","4","4","1") = "8"
    & skf18("6","3","9","2","4","5","1") = "8"
    & skf18("6","3","9","2","4","6","1") = "8"
    & skf18("6","3","9","2","4","7","1") = "8"
    & skf18("6","3","9","2","4","8","1") = "8"
    & skf18("6","3","9","2","4","9","1") = "8"
    & skf18("6","3","9","2","4","10","1") = "9"
    & skf18("6","3","9","2","5","1","1") = "8"
    & skf18("6","3","9","2","5","2","1") = "8"
    & skf18("6","3","9","2","5","3","1") = "8"
    & skf18("6","3","9","2","5","4","1") = "8"
    & skf18("6","3","9","2","5","5","1") = "8"
    & skf18("6","3","9","2","5","6","1") = "8"
    & skf18("6","3","9","2","5","7","1") = "8"
    & skf18("6","3","9","2","5","8","1") = "8"
    & skf18("6","3","9","2","5","9","1") = "8"
    & skf18("6","3","9","2","5","10","1") = "9"
    & skf18("6","3","9","2","6","1","1") = "8"
    & skf18("6","3","9","2","6","2","1") = "8"
    & skf18("6","3","9","2","6","3","1") = "8"
    & skf18("6","3","9","2","6","4","1") = "8"
    & skf18("6","3","9","2","6","5","1") = "8"
    & skf18("6","3","9","2","6","6","1") = "8"
    & skf18("6","3","9","2","6","7","1") = "8"
    & skf18("6","3","9","2","6","8","1") = "8"
    & skf18("6","3","9","2","6","9","1") = "8"
    & skf18("6","3","9","2","6","10","1") = "9"
    & skf18("6","3","9","2","7","1","1") = "8"
    & skf18("6","3","9","2","7","2","1") = "8"
    & skf18("6","3","9","2","7","3","1") = "8"
    & skf18("6","3","9","2","7","4","1") = "8"
    & skf18("6","3","9","2","7","5","1") = "8"
    & skf18("6","3","9","2","7","6","1") = "8"
    & skf18("6","3","9","2","7","7","1") = "8"
    & skf18("6","3","9","2","7","8","1") = "8"
    & skf18("6","3","9","2","7","9","1") = "8"
    & skf18("6","3","9","2","7","10","1") = "9"
    & skf18("6","3","9","2","8","1","1") = "8"
    & skf18("6","3","9","2","8","2","1") = "8"
    & skf18("6","3","9","2","8","3","1") = "8"
    & skf18("6","3","9","2","8","4","1") = "8"
    & skf18("6","3","9","2","8","5","1") = "8"
    & skf18("6","3","9","2","8","6","1") = "8"
    & skf18("6","3","9","2","8","7","1") = "8"
    & skf18("6","3","9","2","8","8","1") = "8"
    & skf18("6","3","9","2","8","9","1") = "8"
    & skf18("6","3","9","2","8","10","1") = "9"
    & skf18("6","3","9","2","9","1","1") = "8"
    & skf18("6","3","9","2","9","2","1") = "8"
    & skf18("6","3","9","2","9","3","1") = "8"
    & skf18("6","3","9","2","9","4","1") = "8"
    & skf18("6","3","9","2","9","5","1") = "8"
    & skf18("6","3","9","2","9","6","1") = "8"
    & skf18("6","3","9","2","9","7","1") = "8"
    & skf18("6","3","9","2","9","8","1") = "8"
    & skf18("6","3","9","2","9","9","1") = "8"
    & skf18("6","3","9","2","9","10","1") = "9"
    & skf18("6","3","9","2","10","1","1") = "9"
    & skf18("6","3","9","2","10","2","1") = "9"
    & skf18("6","3","9","2","10","3","1") = "9"
    & skf18("6","3","9","2","10","4","1") = "9"
    & skf18("6","3","9","2","10","5","1") = "9"
    & skf18("6","3","9","2","10","6","1") = "9"
    & skf18("6","3","9","2","10","7","1") = "9"
    & skf18("6","3","9","2","10","8","1") = "9"
    & skf18("6","3","9","2","10","9","1") = "9"
    & skf18("6","3","9","2","10","10","1") = "9"
    & skf18("6","3","9","3","1","1","1") = "8"
    & skf18("6","3","9","3","1","2","1") = "8"
    & skf18("6","3","9","3","1","3","1") = "8"
    & skf18("6","3","9","3","1","4","1") = "8"
    & skf18("6","3","9","3","1","5","1") = "8"
    & skf18("6","3","9","3","1","6","1") = "8"
    & skf18("6","3","9","3","1","7","1") = "8"
    & skf18("6","3","9","3","1","8","1") = "8"
    & skf18("6","3","9","3","1","9","1") = "8"
    & skf18("6","3","9","3","1","10","1") = "9"
    & skf18("6","3","9","3","2","1","1") = "8"
    & skf18("6","3","9","3","2","2","1") = "8"
    & skf18("6","3","9","3","2","3","1") = "8"
    & skf18("6","3","9","3","2","4","1") = "8"
    & skf18("6","3","9","3","2","5","1") = "8"
    & skf18("6","3","9","3","2","6","1") = "8"
    & skf18("6","3","9","3","2","7","1") = "8"
    & skf18("6","3","9","3","2","8","1") = "8"
    & skf18("6","3","9","3","2","9","1") = "8"
    & skf18("6","3","9","3","2","10","1") = "9"
    & skf18("6","3","9","3","3","1","1") = "8"
    & skf18("6","3","9","3","3","2","1") = "8"
    & skf18("6","3","9","3","3","3","1") = "8"
    & skf18("6","3","9","3","3","4","1") = "8"
    & skf18("6","3","9","3","3","5","1") = "8"
    & skf18("6","3","9","3","3","6","1") = "8"
    & skf18("6","3","9","3","3","7","1") = "8"
    & skf18("6","3","9","3","3","8","1") = "8"
    & skf18("6","3","9","3","3","9","1") = "8"
    & skf18("6","3","9","3","3","10","1") = "9"
    & skf18("6","3","9","3","4","1","1") = "8"
    & skf18("6","3","9","3","4","2","1") = "8"
    & skf18("6","3","9","3","4","3","1") = "8"
    & skf18("6","3","9","3","4","4","1") = "8"
    & skf18("6","3","9","3","4","5","1") = "8"
    & skf18("6","3","9","3","4","6","1") = "8"
    & skf18("6","3","9","3","4","7","1") = "8"
    & skf18("6","3","9","3","4","8","1") = "8"
    & skf18("6","3","9","3","4","9","1") = "8"
    & skf18("6","3","9","3","4","10","1") = "9"
    & skf18("6","3","9","3","5","1","1") = "8"
    & skf18("6","3","9","3","5","2","1") = "8"
    & skf18("6","3","9","3","5","3","1") = "8"
    & skf18("6","3","9","3","5","4","1") = "8"
    & skf18("6","3","9","3","5","5","1") = "8"
    & skf18("6","3","9","3","5","6","1") = "8"
    & skf18("6","3","9","3","5","7","1") = "8"
    & skf18("6","3","9","3","5","8","1") = "8"
    & skf18("6","3","9","3","5","9","1") = "8"
    & skf18("6","3","9","3","5","10","1") = "9"
    & skf18("6","3","9","3","6","1","1") = "8"
    & skf18("6","3","9","3","6","2","1") = "8"
    & skf18("6","3","9","3","6","3","1") = "8"
    & skf18("6","3","9","3","6","4","1") = "8"
    & skf18("6","3","9","3","6","5","1") = "8"
    & skf18("6","3","9","3","6","6","1") = "8"
    & skf18("6","3","9","3","6","7","1") = "8"
    & skf18("6","3","9","3","6","8","1") = "8"
    & skf18("6","3","9","3","6","9","1") = "8"
    & skf18("6","3","9","3","6","10","1") = "9"
    & skf18("6","3","9","3","7","1","1") = "8"
    & skf18("6","3","9","3","7","2","1") = "8"
    & skf18("6","3","9","3","7","3","1") = "8"
    & skf18("6","3","9","3","7","4","1") = "8"
    & skf18("6","3","9","3","7","5","1") = "8"
    & skf18("6","3","9","3","7","6","1") = "8"
    & skf18("6","3","9","3","7","7","1") = "8"
    & skf18("6","3","9","3","7","8","1") = "8"
    & skf18("6","3","9","3","7","9","1") = "8"
    & skf18("6","3","9","3","7","10","1") = "9"
    & skf18("6","3","9","3","8","1","1") = "8"
    & skf18("6","3","9","3","8","2","1") = "8"
    & skf18("6","3","9","3","8","3","1") = "8"
    & skf18("6","3","9","3","8","4","1") = "8"
    & skf18("6","3","9","3","8","5","1") = "8"
    & skf18("6","3","9","3","8","6","1") = "8"
    & skf18("6","3","9","3","8","7","1") = "8"
    & skf18("6","3","9","3","8","8","1") = "8"
    & skf18("6","3","9","3","8","9","1") = "8"
    & skf18("6","3","9","3","8","10","1") = "9"
    & skf18("6","3","9","3","9","1","1") = "8"
    & skf18("6","3","9","3","9","2","1") = "8"
    & skf18("6","3","9","3","9","3","1") = "8"
    & skf18("6","3","9","3","9","4","1") = "8"
    & skf18("6","3","9","3","9","5","1") = "8"
    & skf18("6","3","9","3","9","6","1") = "8"
    & skf18("6","3","9","3","9","7","1") = "8"
    & skf18("6","3","9","3","9","8","1") = "8"
    & skf18("6","3","9","3","9","9","1") = "8"
    & skf18("6","3","9","3","9","10","1") = "9"
    & skf18("6","3","9","3","10","1","1") = "9"
    & skf18("6","3","9","3","10","2","1") = "9"
    & skf18("6","3","9","3","10","3","1") = "9"
    & skf18("6","3","9","3","10","4","1") = "9"
    & skf18("6","3","9","3","10","5","1") = "9"
    & skf18("6","3","9","3","10","6","1") = "9"
    & skf18("6","3","9","3","10","7","1") = "9"
    & skf18("6","3","9","3","10","8","1") = "9"
    & skf18("6","3","9","3","10","9","1") = "9"
    & skf18("6","3","9","3","10","10","1") = "9"
    & skf18("6","3","9","4","1","1","1") = "8"
    & skf18("6","3","9","4","1","2","1") = "8"
    & skf18("6","3","9","4","1","3","1") = "8"
    & skf18("6","3","9","4","1","4","1") = "8"
    & skf18("6","3","9","4","1","5","1") = "8"
    & skf18("6","3","9","4","1","6","1") = "8"
    & skf18("6","3","9","4","1","7","1") = "8"
    & skf18("6","3","9","4","1","8","1") = "8"
    & skf18("6","3","9","4","1","9","1") = "8"
    & skf18("6","3","9","4","1","10","1") = "9"
    & skf18("6","3","9","4","2","1","1") = "8"
    & skf18("6","3","9","4","2","2","1") = "8"
    & skf18("6","3","9","4","2","3","1") = "8"
    & skf18("6","3","9","4","2","4","1") = "8"
    & skf18("6","3","9","4","2","5","1") = "8"
    & skf18("6","3","9","4","2","6","1") = "8"
    & skf18("6","3","9","4","2","7","1") = "8"
    & skf18("6","3","9","4","2","8","1") = "8"
    & skf18("6","3","9","4","2","9","1") = "8"
    & skf18("6","3","9","4","2","10","1") = "9"
    & skf18("6","3","9","4","3","1","1") = "8"
    & skf18("6","3","9","4","3","2","1") = "8"
    & skf18("6","3","9","4","3","3","1") = "8"
    & skf18("6","3","9","4","3","4","1") = "8"
    & skf18("6","3","9","4","3","5","1") = "8"
    & skf18("6","3","9","4","3","6","1") = "8"
    & skf18("6","3","9","4","3","7","1") = "8"
    & skf18("6","3","9","4","3","8","1") = "8"
    & skf18("6","3","9","4","3","9","1") = "8"
    & skf18("6","3","9","4","3","10","1") = "9"
    & skf18("6","3","9","4","4","1","1") = "8"
    & skf18("6","3","9","4","4","2","1") = "8"
    & skf18("6","3","9","4","4","3","1") = "8"
    & skf18("6","3","9","4","4","4","1") = "8"
    & skf18("6","3","9","4","4","5","1") = "8"
    & skf18("6","3","9","4","4","6","1") = "8"
    & skf18("6","3","9","4","4","7","1") = "8"
    & skf18("6","3","9","4","4","8","1") = "8"
    & skf18("6","3","9","4","4","9","1") = "8"
    & skf18("6","3","9","4","4","10","1") = "9"
    & skf18("6","3","9","4","5","1","1") = "8"
    & skf18("6","3","9","4","5","2","1") = "8"
    & skf18("6","3","9","4","5","3","1") = "8"
    & skf18("6","3","9","4","5","4","1") = "8"
    & skf18("6","3","9","4","5","5","1") = "8"
    & skf18("6","3","9","4","5","6","1") = "8"
    & skf18("6","3","9","4","5","7","1") = "8"
    & skf18("6","3","9","4","5","8","1") = "8"
    & skf18("6","3","9","4","5","9","1") = "8"
    & skf18("6","3","9","4","5","10","1") = "9"
    & skf18("6","3","9","4","6","1","1") = "8"
    & skf18("6","3","9","4","6","2","1") = "8"
    & skf18("6","3","9","4","6","3","1") = "8"
    & skf18("6","3","9","4","6","4","1") = "8"
    & skf18("6","3","9","4","6","5","1") = "8"
    & skf18("6","3","9","4","6","6","1") = "8"
    & skf18("6","3","9","4","6","7","1") = "8"
    & skf18("6","3","9","4","6","8","1") = "8"
    & skf18("6","3","9","4","6","9","1") = "8"
    & skf18("6","3","9","4","6","10","1") = "9"
    & skf18("6","3","9","4","7","1","1") = "8"
    & skf18("6","3","9","4","7","2","1") = "8"
    & skf18("6","3","9","4","7","3","1") = "8"
    & skf18("6","3","9","4","7","4","1") = "8"
    & skf18("6","3","9","4","7","5","1") = "8"
    & skf18("6","3","9","4","7","6","1") = "8"
    & skf18("6","3","9","4","7","7","1") = "8"
    & skf18("6","3","9","4","7","8","1") = "8"
    & skf18("6","3","9","4","7","9","1") = "8"
    & skf18("6","3","9","4","7","10","1") = "9"
    & skf18("6","3","9","4","8","1","1") = "8"
    & skf18("6","3","9","4","8","2","1") = "8"
    & skf18("6","3","9","4","8","3","1") = "8"
    & skf18("6","3","9","4","8","4","1") = "8"
    & skf18("6","3","9","4","8","5","1") = "8"
    & skf18("6","3","9","4","8","6","1") = "8"
    & skf18("6","3","9","4","8","7","1") = "8"
    & skf18("6","3","9","4","8","8","1") = "8"
    & skf18("6","3","9","4","8","9","1") = "8"
    & skf18("6","3","9","4","8","10","1") = "9"
    & skf18("6","3","9","4","9","1","1") = "8"
    & skf18("6","3","9","4","9","2","1") = "8"
    & skf18("6","3","9","4","9","3","1") = "8"
    & skf18("6","3","9","4","9","4","1") = "8"
    & skf18("6","3","9","4","9","5","1") = "8"
    & skf18("6","3","9","4","9","6","1") = "8"
    & skf18("6","3","9","4","9","7","1") = "8"
    & skf18("6","3","9","4","9","8","1") = "8"
    & skf18("6","3","9","4","9","9","1") = "8"
    & skf18("6","3","9","4","9","10","1") = "9"
    & skf18("6","3","9","4","10","1","1") = "9"
    & skf18("6","3","9","4","10","2","1") = "9"
    & skf18("6","3","9","4","10","3","1") = "9"
    & skf18("6","3","9","4","10","4","1") = "9"
    & skf18("6","3","9","4","10","5","1") = "9"
    & skf18("6","3","9","4","10","6","1") = "9"
    & skf18("6","3","9","4","10","7","1") = "9"
    & skf18("6","3","9","4","10","8","1") = "9"
    & skf18("6","3","9","4","10","9","1") = "9"
    & skf18("6","3","9","4","10","10","1") = "9"
    & skf18("6","3","9","5","1","1","1") = "8"
    & skf18("6","3","9","5","1","2","1") = "8"
    & skf18("6","3","9","5","1","3","1") = "8"
    & skf18("6","3","9","5","1","4","1") = "8"
    & skf18("6","3","9","5","1","5","1") = "8"
    & skf18("6","3","9","5","1","6","1") = "8"
    & skf18("6","3","9","5","1","7","1") = "8"
    & skf18("6","3","9","5","1","8","1") = "8"
    & skf18("6","3","9","5","1","9","1") = "8"
    & skf18("6","3","9","5","1","10","1") = "9"
    & skf18("6","3","9","5","2","1","1") = "8"
    & skf18("6","3","9","5","2","2","1") = "8"
    & skf18("6","3","9","5","2","3","1") = "8"
    & skf18("6","3","9","5","2","4","1") = "8"
    & skf18("6","3","9","5","2","5","1") = "8"
    & skf18("6","3","9","5","2","6","1") = "8"
    & skf18("6","3","9","5","2","7","1") = "8"
    & skf18("6","3","9","5","2","8","1") = "8"
    & skf18("6","3","9","5","2","9","1") = "8"
    & skf18("6","3","9","5","2","10","1") = "9"
    & skf18("6","3","9","5","3","1","1") = "8"
    & skf18("6","3","9","5","3","2","1") = "8"
    & skf18("6","3","9","5","3","3","1") = "8"
    & skf18("6","3","9","5","3","4","1") = "8"
    & skf18("6","3","9","5","3","5","1") = "8"
    & skf18("6","3","9","5","3","6","1") = "8"
    & skf18("6","3","9","5","3","7","1") = "8"
    & skf18("6","3","9","5","3","8","1") = "8"
    & skf18("6","3","9","5","3","9","1") = "8"
    & skf18("6","3","9","5","3","10","1") = "9"
    & skf18("6","3","9","5","4","1","1") = "8"
    & skf18("6","3","9","5","4","2","1") = "8"
    & skf18("6","3","9","5","4","3","1") = "8"
    & skf18("6","3","9","5","4","4","1") = "8"
    & skf18("6","3","9","5","4","5","1") = "8"
    & skf18("6","3","9","5","4","6","1") = "8"
    & skf18("6","3","9","5","4","7","1") = "8"
    & skf18("6","3","9","5","4","8","1") = "8"
    & skf18("6","3","9","5","4","9","1") = "8"
    & skf18("6","3","9","5","4","10","1") = "9"
    & skf18("6","3","9","5","5","1","1") = "8"
    & skf18("6","3","9","5","5","2","1") = "8"
    & skf18("6","3","9","5","5","3","1") = "8"
    & skf18("6","3","9","5","5","4","1") = "8"
    & skf18("6","3","9","5","5","5","1") = "8"
    & skf18("6","3","9","5","5","6","1") = "8"
    & skf18("6","3","9","5","5","7","1") = "8"
    & skf18("6","3","9","5","5","8","1") = "8"
    & skf18("6","3","9","5","5","9","1") = "8"
    & skf18("6","3","9","5","5","10","1") = "9"
    & skf18("6","3","9","5","6","1","1") = "8"
    & skf18("6","3","9","5","6","2","1") = "8"
    & skf18("6","3","9","5","6","3","1") = "8"
    & skf18("6","3","9","5","6","4","1") = "8"
    & skf18("6","3","9","5","6","5","1") = "8"
    & skf18("6","3","9","5","6","6","1") = "8"
    & skf18("6","3","9","5","6","7","1") = "8"
    & skf18("6","3","9","5","6","8","1") = "8"
    & skf18("6","3","9","5","6","9","1") = "8"
    & skf18("6","3","9","5","6","10","1") = "9"
    & skf18("6","3","9","5","7","1","1") = "8"
    & skf18("6","3","9","5","7","2","1") = "8"
    & skf18("6","3","9","5","7","3","1") = "8"
    & skf18("6","3","9","5","7","4","1") = "8"
    & skf18("6","3","9","5","7","5","1") = "8"
    & skf18("6","3","9","5","7","6","1") = "8"
    & skf18("6","3","9","5","7","7","1") = "8"
    & skf18("6","3","9","5","7","8","1") = "8"
    & skf18("6","3","9","5","7","9","1") = "8"
    & skf18("6","3","9","5","7","10","1") = "9"
    & skf18("6","3","9","5","8","1","1") = "8"
    & skf18("6","3","9","5","8","2","1") = "8"
    & skf18("6","3","9","5","8","3","1") = "8"
    & skf18("6","3","9","5","8","4","1") = "8"
    & skf18("6","3","9","5","8","5","1") = "8"
    & skf18("6","3","9","5","8","6","1") = "8"
    & skf18("6","3","9","5","8","7","1") = "8"
    & skf18("6","3","9","5","8","8","1") = "8"
    & skf18("6","3","9","5","8","9","1") = "8"
    & skf18("6","3","9","5","8","10","1") = "9"
    & skf18("6","3","9","5","9","1","1") = "8"
    & skf18("6","3","9","5","9","2","1") = "8"
    & skf18("6","3","9","5","9","3","1") = "8"
    & skf18("6","3","9","5","9","4","1") = "8"
    & skf18("6","3","9","5","9","5","1") = "8"
    & skf18("6","3","9","5","9","6","1") = "8"
    & skf18("6","3","9","5","9","7","1") = "8"
    & skf18("6","3","9","5","9","8","1") = "8"
    & skf18("6","3","9","5","9","9","1") = "8"
    & skf18("6","3","9","5","9","10","1") = "9"
    & skf18("6","3","9","5","10","1","1") = "9"
    & skf18("6","3","9","5","10","2","1") = "9"
    & skf18("6","3","9","5","10","3","1") = "9"
    & skf18("6","3","9","5","10","4","1") = "9"
    & skf18("6","3","9","5","10","5","1") = "9"
    & skf18("6","3","9","5","10","6","1") = "9"
    & skf18("6","3","9","5","10","7","1") = "9"
    & skf18("6","3","9","5","10","8","1") = "9"
    & skf18("6","3","9","5","10","9","1") = "9"
    & skf18("6","3","9","5","10","10","1") = "9"
    & skf18("6","3","9","6","1","1","1") = "8"
    & skf18("6","3","9","6","1","2","1") = "8"
    & skf18("6","3","9","6","1","3","1") = "8"
    & skf18("6","3","9","6","1","4","1") = "8"
    & skf18("6","3","9","6","1","5","1") = "8"
    & skf18("6","3","9","6","1","6","1") = "8"
    & skf18("6","3","9","6","1","7","1") = "8"
    & skf18("6","3","9","6","1","8","1") = "8"
    & skf18("6","3","9","6","1","9","1") = "8"
    & skf18("6","3","9","6","1","10","1") = "9"
    & skf18("6","3","9","6","2","1","1") = "8"
    & skf18("6","3","9","6","2","2","1") = "8"
    & skf18("6","3","9","6","2","3","1") = "8"
    & skf18("6","3","9","6","2","4","1") = "8"
    & skf18("6","3","9","6","2","5","1") = "8"
    & skf18("6","3","9","6","2","6","1") = "8"
    & skf18("6","3","9","6","2","7","1") = "8"
    & skf18("6","3","9","6","2","8","1") = "8"
    & skf18("6","3","9","6","2","9","1") = "8"
    & skf18("6","3","9","6","2","10","1") = "9"
    & skf18("6","3","9","6","3","1","1") = "8"
    & skf18("6","3","9","6","3","2","1") = "8"
    & skf18("6","3","9","6","3","3","1") = "8"
    & skf18("6","3","9","6","3","4","1") = "8"
    & skf18("6","3","9","6","3","5","1") = "8"
    & skf18("6","3","9","6","3","6","1") = "8"
    & skf18("6","3","9","6","3","7","1") = "8"
    & skf18("6","3","9","6","3","8","1") = "8"
    & skf18("6","3","9","6","3","9","1") = "8"
    & skf18("6","3","9","6","3","10","1") = "9"
    & skf18("6","3","9","6","4","1","1") = "8"
    & skf18("6","3","9","6","4","2","1") = "8"
    & skf18("6","3","9","6","4","3","1") = "8"
    & skf18("6","3","9","6","4","4","1") = "8"
    & skf18("6","3","9","6","4","5","1") = "8"
    & skf18("6","3","9","6","4","6","1") = "8"
    & skf18("6","3","9","6","4","7","1") = "8"
    & skf18("6","3","9","6","4","8","1") = "8"
    & skf18("6","3","9","6","4","9","1") = "8"
    & skf18("6","3","9","6","4","10","1") = "9"
    & skf18("6","3","9","6","5","1","1") = "8"
    & skf18("6","3","9","6","5","2","1") = "8"
    & skf18("6","3","9","6","5","3","1") = "8"
    & skf18("6","3","9","6","5","4","1") = "8"
    & skf18("6","3","9","6","5","5","1") = "8"
    & skf18("6","3","9","6","5","6","1") = "8"
    & skf18("6","3","9","6","5","7","1") = "8"
    & skf18("6","3","9","6","5","8","1") = "8"
    & skf18("6","3","9","6","5","9","1") = "8"
    & skf18("6","3","9","6","5","10","1") = "9"
    & skf18("6","3","9","6","6","1","1") = "8"
    & skf18("6","3","9","6","6","2","1") = "8"
    & skf18("6","3","9","6","6","3","1") = "8"
    & skf18("6","3","9","6","6","4","1") = "8"
    & skf18("6","3","9","6","6","5","1") = "8"
    & skf18("6","3","9","6","6","6","1") = "8"
    & skf18("6","3","9","6","6","7","1") = "8"
    & skf18("6","3","9","6","6","8","1") = "8"
    & skf18("6","3","9","6","6","9","1") = "8"
    & skf18("6","3","9","6","6","10","1") = "9"
    & skf18("6","3","9","6","7","1","1") = "8"
    & skf18("6","3","9","6","7","2","1") = "8"
    & skf18("6","3","9","6","7","3","1") = "8"
    & skf18("6","3","9","6","7","4","1") = "8"
    & skf18("6","3","9","6","7","5","1") = "8"
    & skf18("6","3","9","6","7","6","1") = "8"
    & skf18("6","3","9","6","7","7","1") = "8"
    & skf18("6","3","9","6","7","8","1") = "8"
    & skf18("6","3","9","6","7","9","1") = "8"
    & skf18("6","3","9","6","7","10","1") = "9"
    & skf18("6","3","9","6","8","1","1") = "8"
    & skf18("6","3","9","6","8","2","1") = "8"
    & skf18("6","3","9","6","8","3","1") = "8"
    & skf18("6","3","9","6","8","4","1") = "8"
    & skf18("6","3","9","6","8","5","1") = "8"
    & skf18("6","3","9","6","8","6","1") = "8"
    & skf18("6","3","9","6","8","7","1") = "8"
    & skf18("6","3","9","6","8","8","1") = "8"
    & skf18("6","3","9","6","8","9","1") = "8"
    & skf18("6","3","9","6","8","10","1") = "9"
    & skf18("6","3","9","6","9","1","1") = "8"
    & skf18("6","3","9","6","9","2","1") = "8"
    & skf18("6","3","9","6","9","3","1") = "8"
    & skf18("6","3","9","6","9","4","1") = "8"
    & skf18("6","3","9","6","9","5","1") = "8"
    & skf18("6","3","9","6","9","6","1") = "8"
    & skf18("6","3","9","6","9","7","1") = "8"
    & skf18("6","3","9","6","9","8","1") = "8"
    & skf18("6","3","9","6","9","9","1") = "8"
    & skf18("6","3","9","6","9","10","1") = "9"
    & skf18("6","3","9","6","10","1","1") = "9"
    & skf18("6","3","9","6","10","2","1") = "9"
    & skf18("6","3","9","6","10","3","1") = "9"
    & skf18("6","3","9","6","10","4","1") = "9"
    & skf18("6","3","9","6","10","5","1") = "9"
    & skf18("6","3","9","6","10","6","1") = "9"
    & skf18("6","3","9","6","10","7","1") = "9"
    & skf18("6","3","9","6","10","8","1") = "9"
    & skf18("6","3","9","6","10","9","1") = "9"
    & skf18("6","3","9","6","10","10","1") = "9"
    & skf18("6","3","9","7","1","1","1") = "8"
    & skf18("6","3","9","7","1","2","1") = "8"
    & skf18("6","3","9","7","1","3","1") = "8"
    & skf18("6","3","9","7","1","4","1") = "8"
    & skf18("6","3","9","7","1","5","1") = "8"
    & skf18("6","3","9","7","1","6","1") = "8"
    & skf18("6","3","9","7","1","7","1") = "8"
    & skf18("6","3","9","7","1","8","1") = "8"
    & skf18("6","3","9","7","1","9","1") = "8"
    & skf18("6","3","9","7","1","10","1") = "9"
    & skf18("6","3","9","7","2","1","1") = "8"
    & skf18("6","3","9","7","2","2","1") = "8"
    & skf18("6","3","9","7","2","3","1") = "8"
    & skf18("6","3","9","7","2","4","1") = "8"
    & skf18("6","3","9","7","2","5","1") = "8"
    & skf18("6","3","9","7","2","6","1") = "8"
    & skf18("6","3","9","7","2","7","1") = "8"
    & skf18("6","3","9","7","2","8","1") = "8"
    & skf18("6","3","9","7","2","9","1") = "8"
    & skf18("6","3","9","7","2","10","1") = "9"
    & skf18("6","3","9","7","3","1","1") = "8"
    & skf18("6","3","9","7","3","2","1") = "8"
    & skf18("6","3","9","7","3","3","1") = "8"
    & skf18("6","3","9","7","3","4","1") = "8"
    & skf18("6","3","9","7","3","5","1") = "8"
    & skf18("6","3","9","7","3","6","1") = "8"
    & skf18("6","3","9","7","3","7","1") = "8"
    & skf18("6","3","9","7","3","8","1") = "8"
    & skf18("6","3","9","7","3","9","1") = "8"
    & skf18("6","3","9","7","3","10","1") = "9"
    & skf18("6","3","9","7","4","1","1") = "8"
    & skf18("6","3","9","7","4","2","1") = "8"
    & skf18("6","3","9","7","4","3","1") = "8"
    & skf18("6","3","9","7","4","4","1") = "8"
    & skf18("6","3","9","7","4","5","1") = "8"
    & skf18("6","3","9","7","4","6","1") = "8"
    & skf18("6","3","9","7","4","7","1") = "8"
    & skf18("6","3","9","7","4","8","1") = "8"
    & skf18("6","3","9","7","4","9","1") = "8"
    & skf18("6","3","9","7","4","10","1") = "9"
    & skf18("6","3","9","7","5","1","1") = "8"
    & skf18("6","3","9","7","5","2","1") = "8"
    & skf18("6","3","9","7","5","3","1") = "8"
    & skf18("6","3","9","7","5","4","1") = "8"
    & skf18("6","3","9","7","5","5","1") = "8"
    & skf18("6","3","9","7","5","6","1") = "8"
    & skf18("6","3","9","7","5","7","1") = "8"
    & skf18("6","3","9","7","5","8","1") = "8"
    & skf18("6","3","9","7","5","9","1") = "8"
    & skf18("6","3","9","7","5","10","1") = "9"
    & skf18("6","3","9","7","6","1","1") = "8"
    & skf18("6","3","9","7","6","2","1") = "8"
    & skf18("6","3","9","7","6","3","1") = "8"
    & skf18("6","3","9","7","6","4","1") = "8"
    & skf18("6","3","9","7","6","5","1") = "8"
    & skf18("6","3","9","7","6","6","1") = "8"
    & skf18("6","3","9","7","6","7","1") = "8"
    & skf18("6","3","9","7","6","8","1") = "8"
    & skf18("6","3","9","7","6","9","1") = "8"
    & skf18("6","3","9","7","6","10","1") = "9"
    & skf18("6","3","9","7","7","1","1") = "8"
    & skf18("6","3","9","7","7","2","1") = "8"
    & skf18("6","3","9","7","7","3","1") = "8"
    & skf18("6","3","9","7","7","4","1") = "8"
    & skf18("6","3","9","7","7","5","1") = "8"
    & skf18("6","3","9","7","7","6","1") = "8"
    & skf18("6","3","9","7","7","7","1") = "8"
    & skf18("6","3","9","7","7","8","1") = "8"
    & skf18("6","3","9","7","7","9","1") = "8"
    & skf18("6","3","9","7","7","10","1") = "9"
    & skf18("6","3","9","7","8","1","1") = "8"
    & skf18("6","3","9","7","8","2","1") = "8"
    & skf18("6","3","9","7","8","3","1") = "8"
    & skf18("6","3","9","7","8","4","1") = "8"
    & skf18("6","3","9","7","8","5","1") = "8"
    & skf18("6","3","9","7","8","6","1") = "8"
    & skf18("6","3","9","7","8","7","1") = "8"
    & skf18("6","3","9","7","8","8","1") = "8"
    & skf18("6","3","9","7","8","9","1") = "8"
    & skf18("6","3","9","7","8","10","1") = "9"
    & skf18("6","3","9","7","9","1","1") = "8"
    & skf18("6","3","9","7","9","2","1") = "8"
    & skf18("6","3","9","7","9","3","1") = "8"
    & skf18("6","3","9","7","9","4","1") = "8"
    & skf18("6","3","9","7","9","5","1") = "8"
    & skf18("6","3","9","7","9","6","1") = "8"
    & skf18("6","3","9","7","9","7","1") = "8"
    & skf18("6","3","9","7","9","8","1") = "8"
    & skf18("6","3","9","7","9","9","1") = "8"
    & skf18("6","3","9","7","9","10","1") = "9"
    & skf18("6","3","9","7","10","1","1") = "9"
    & skf18("6","3","9","7","10","2","1") = "9"
    & skf18("6","3","9","7","10","3","1") = "9"
    & skf18("6","3","9","7","10","4","1") = "9"
    & skf18("6","3","9","7","10","5","1") = "9"
    & skf18("6","3","9","7","10","6","1") = "9"
    & skf18("6","3","9","7","10","7","1") = "9"
    & skf18("6","3","9","7","10","8","1") = "9"
    & skf18("6","3","9","7","10","9","1") = "9"
    & skf18("6","3","9","7","10","10","1") = "9"
    & skf18("6","3","9","8","1","1","1") = "8"
    & skf18("6","3","9","8","1","2","1") = "8"
    & skf18("6","3","9","8","1","3","1") = "8"
    & skf18("6","3","9","8","1","4","1") = "8"
    & skf18("6","3","9","8","1","5","1") = "8"
    & skf18("6","3","9","8","1","6","1") = "8"
    & skf18("6","3","9","8","1","7","1") = "8"
    & skf18("6","3","9","8","1","8","1") = "8"
    & skf18("6","3","9","8","1","9","1") = "8"
    & skf18("6","3","9","8","1","10","1") = "9"
    & skf18("6","3","9","8","2","1","1") = "8"
    & skf18("6","3","9","8","2","2","1") = "8"
    & skf18("6","3","9","8","2","3","1") = "8"
    & skf18("6","3","9","8","2","4","1") = "8"
    & skf18("6","3","9","8","2","5","1") = "8"
    & skf18("6","3","9","8","2","6","1") = "8"
    & skf18("6","3","9","8","2","7","1") = "8"
    & skf18("6","3","9","8","2","8","1") = "8"
    & skf18("6","3","9","8","2","9","1") = "8"
    & skf18("6","3","9","8","2","10","1") = "9"
    & skf18("6","3","9","8","3","1","1") = "8"
    & skf18("6","3","9","8","3","2","1") = "8"
    & skf18("6","3","9","8","3","3","1") = "8"
    & skf18("6","3","9","8","3","4","1") = "8"
    & skf18("6","3","9","8","3","5","1") = "8"
    & skf18("6","3","9","8","3","6","1") = "8"
    & skf18("6","3","9","8","3","7","1") = "8"
    & skf18("6","3","9","8","3","8","1") = "8"
    & skf18("6","3","9","8","3","9","1") = "8"
    & skf18("6","3","9","8","3","10","1") = "9"
    & skf18("6","3","9","8","4","1","1") = "8"
    & skf18("6","3","9","8","4","2","1") = "8"
    & skf18("6","3","9","8","4","3","1") = "8"
    & skf18("6","3","9","8","4","4","1") = "8"
    & skf18("6","3","9","8","4","5","1") = "8"
    & skf18("6","3","9","8","4","6","1") = "8"
    & skf18("6","3","9","8","4","7","1") = "8"
    & skf18("6","3","9","8","4","8","1") = "8"
    & skf18("6","3","9","8","4","9","1") = "8"
    & skf18("6","3","9","8","4","10","1") = "9"
    & skf18("6","3","9","8","5","1","1") = "8"
    & skf18("6","3","9","8","5","2","1") = "8"
    & skf18("6","3","9","8","5","3","1") = "8"
    & skf18("6","3","9","8","5","4","1") = "8"
    & skf18("6","3","9","8","5","5","1") = "8"
    & skf18("6","3","9","8","5","6","1") = "8"
    & skf18("6","3","9","8","5","7","1") = "8"
    & skf18("6","3","9","8","5","8","1") = "8"
    & skf18("6","3","9","8","5","9","1") = "8"
    & skf18("6","3","9","8","5","10","1") = "9"
    & skf18("6","3","9","8","6","1","1") = "8"
    & skf18("6","3","9","8","6","2","1") = "8"
    & skf18("6","3","9","8","6","3","1") = "8"
    & skf18("6","3","9","8","6","4","1") = "8"
    & skf18("6","3","9","8","6","5","1") = "8"
    & skf18("6","3","9","8","6","6","1") = "8"
    & skf18("6","3","9","8","6","7","1") = "8"
    & skf18("6","3","9","8","6","8","1") = "8"
    & skf18("6","3","9","8","6","9","1") = "8"
    & skf18("6","3","9","8","6","10","1") = "9"
    & skf18("6","3","9","8","7","1","1") = "8"
    & skf18("6","3","9","8","7","2","1") = "8"
    & skf18("6","3","9","8","7","3","1") = "8"
    & skf18("6","3","9","8","7","4","1") = "8"
    & skf18("6","3","9","8","7","5","1") = "8"
    & skf18("6","3","9","8","7","6","1") = "8"
    & skf18("6","3","9","8","7","7","1") = "8"
    & skf18("6","3","9","8","7","8","1") = "8"
    & skf18("6","3","9","8","7","9","1") = "8"
    & skf18("6","3","9","8","7","10","1") = "9"
    & skf18("6","3","9","8","8","1","1") = "8"
    & skf18("6","3","9","8","8","2","1") = "8"
    & skf18("6","3","9","8","8","3","1") = "8"
    & skf18("6","3","9","8","8","4","1") = "8"
    & skf18("6","3","9","8","8","5","1") = "8"
    & skf18("6","3","9","8","8","6","1") = "8"
    & skf18("6","3","9","8","8","7","1") = "8"
    & skf18("6","3","9","8","8","8","1") = "8"
    & skf18("6","3","9","8","8","9","1") = "8"
    & skf18("6","3","9","8","8","10","1") = "9"
    & skf18("6","3","9","8","9","1","1") = "8"
    & skf18("6","3","9","8","9","2","1") = "8"
    & skf18("6","3","9","8","9","3","1") = "8"
    & skf18("6","3","9","8","9","4","1") = "8"
    & skf18("6","3","9","8","9","5","1") = "8"
    & skf18("6","3","9","8","9","6","1") = "8"
    & skf18("6","3","9","8","9","7","1") = "8"
    & skf18("6","3","9","8","9","8","1") = "8"
    & skf18("6","3","9","8","9","9","1") = "8"
    & skf18("6","3","9","8","9","10","1") = "9"
    & skf18("6","3","9","8","10","1","1") = "9"
    & skf18("6","3","9","8","10","2","1") = "9"
    & skf18("6","3","9","8","10","3","1") = "9"
    & skf18("6","3","9","8","10","4","1") = "9"
    & skf18("6","3","9","8","10","5","1") = "9"
    & skf18("6","3","9","8","10","6","1") = "9"
    & skf18("6","3","9","8","10","7","1") = "9"
    & skf18("6","3","9","8","10","8","1") = "9"
    & skf18("6","3","9","8","10","9","1") = "9"
    & skf18("6","3","9","8","10","10","1") = "9"
    & skf18("6","3","9","9","1","1","1") = "8"
    & skf18("6","3","9","9","1","2","1") = "8"
    & skf18("6","3","9","9","1","3","1") = "8"
    & skf18("6","3","9","9","1","4","1") = "8"
    & skf18("6","3","9","9","1","5","1") = "8"
    & skf18("6","3","9","9","1","6","1") = "8"
    & skf18("6","3","9","9","1","7","1") = "8"
    & skf18("6","3","9","9","1","8","1") = "8"
    & skf18("6","3","9","9","1","9","1") = "8"
    & skf18("6","3","9","9","1","10","1") = "9"
    & skf18("6","3","9","9","2","1","1") = "8"
    & skf18("6","3","9","9","2","2","1") = "8"
    & skf18("6","3","9","9","2","3","1") = "8"
    & skf18("6","3","9","9","2","4","1") = "8"
    & skf18("6","3","9","9","2","5","1") = "8"
    & skf18("6","3","9","9","2","6","1") = "8"
    & skf18("6","3","9","9","2","7","1") = "8"
    & skf18("6","3","9","9","2","8","1") = "8"
    & skf18("6","3","9","9","2","9","1") = "8"
    & skf18("6","3","9","9","2","10","1") = "9"
    & skf18("6","3","9","9","3","1","1") = "8"
    & skf18("6","3","9","9","3","2","1") = "8"
    & skf18("6","3","9","9","3","3","1") = "8"
    & skf18("6","3","9","9","3","4","1") = "8"
    & skf18("6","3","9","9","3","5","1") = "8"
    & skf18("6","3","9","9","3","6","1") = "8"
    & skf18("6","3","9","9","3","7","1") = "8"
    & skf18("6","3","9","9","3","8","1") = "8"
    & skf18("6","3","9","9","3","9","1") = "8"
    & skf18("6","3","9","9","3","10","1") = "9"
    & skf18("6","3","9","9","4","1","1") = "8"
    & skf18("6","3","9","9","4","2","1") = "8"
    & skf18("6","3","9","9","4","3","1") = "8"
    & skf18("6","3","9","9","4","4","1") = "8"
    & skf18("6","3","9","9","4","5","1") = "8"
    & skf18("6","3","9","9","4","6","1") = "8"
    & skf18("6","3","9","9","4","7","1") = "8"
    & skf18("6","3","9","9","4","8","1") = "8"
    & skf18("6","3","9","9","4","9","1") = "8"
    & skf18("6","3","9","9","4","10","1") = "9"
    & skf18("6","3","9","9","5","1","1") = "8"
    & skf18("6","3","9","9","5","2","1") = "8"
    & skf18("6","3","9","9","5","3","1") = "8"
    & skf18("6","3","9","9","5","4","1") = "8"
    & skf18("6","3","9","9","5","5","1") = "8"
    & skf18("6","3","9","9","5","6","1") = "8"
    & skf18("6","3","9","9","5","7","1") = "8"
    & skf18("6","3","9","9","5","8","1") = "8"
    & skf18("6","3","9","9","5","9","1") = "8"
    & skf18("6","3","9","9","5","10","1") = "9"
    & skf18("6","3","9","9","6","1","1") = "8"
    & skf18("6","3","9","9","6","2","1") = "8"
    & skf18("6","3","9","9","6","3","1") = "8"
    & skf18("6","3","9","9","6","4","1") = "8"
    & skf18("6","3","9","9","6","5","1") = "8"
    & skf18("6","3","9","9","6","6","1") = "8"
    & skf18("6","3","9","9","6","7","1") = "8"
    & skf18("6","3","9","9","6","8","1") = "8"
    & skf18("6","3","9","9","6","9","1") = "8"
    & skf18("6","3","9","9","6","10","1") = "9"
    & skf18("6","3","9","9","7","1","1") = "8"
    & skf18("6","3","9","9","7","2","1") = "8"
    & skf18("6","3","9","9","7","3","1") = "8"
    & skf18("6","3","9","9","7","4","1") = "8"
    & skf18("6","3","9","9","7","5","1") = "8"
    & skf18("6","3","9","9","7","6","1") = "8"
    & skf18("6","3","9","9","7","7","1") = "8"
    & skf18("6","3","9","9","7","8","1") = "8"
    & skf18("6","3","9","9","7","9","1") = "8"
    & skf18("6","3","9","9","7","10","1") = "9"
    & skf18("6","3","9","9","8","1","1") = "8"
    & skf18("6","3","9","9","8","2","1") = "8"
    & skf18("6","3","9","9","8","3","1") = "8"
    & skf18("6","3","9","9","8","4","1") = "8"
    & skf18("6","3","9","9","8","5","1") = "8"
    & skf18("6","3","9","9","8","6","1") = "8"
    & skf18("6","3","9","9","8","7","1") = "8"
    & skf18("6","3","9","9","8","8","1") = "8"
    & skf18("6","3","9","9","8","9","1") = "8"
    & skf18("6","3","9","9","8","10","1") = "9"
    & skf18("6","3","9","9","9","1","1") = "8"
    & skf18("6","3","9","9","9","2","1") = "8"
    & skf18("6","3","9","9","9","3","1") = "8"
    & skf18("6","3","9","9","9","4","1") = "8"
    & skf18("6","3","9","9","9","5","1") = "8"
    & skf18("6","3","9","9","9","6","1") = "8"
    & skf18("6","3","9","9","9","7","1") = "8"
    & skf18("6","3","9","9","9","8","1") = "8"
    & skf18("6","3","9","9","9","9","1") = "8"
    & skf18("6","3","9","9","9","10","1") = "9"
    & skf18("6","3","9","9","10","1","1") = "9"
    & skf18("6","3","9","9","10","2","1") = "9"
    & skf18("6","3","9","9","10","3","1") = "9"
    & skf18("6","3","9","9","10","4","1") = "9"
    & skf18("6","3","9","9","10","5","1") = "9"
    & skf18("6","3","9","9","10","6","1") = "9"
    & skf18("6","3","9","9","10","7","1") = "9"
    & skf18("6","3","9","9","10","8","1") = "9"
    & skf18("6","3","9","9","10","9","1") = "9"
    & skf18("6","3","9","9","10","10","1") = "9"
    & skf18("6","3","9","10","1","1","1") = "9"
    & skf18("6","3","9","10","1","2","1") = "9"
    & skf18("6","3","9","10","1","3","1") = "9"
    & skf18("6","3","9","10","1","4","1") = "9"
    & skf18("6","3","9","10","1","5","1") = "9"
    & skf18("6","3","9","10","1","6","1") = "9"
    & skf18("6","3","9","10","1","7","1") = "9"
    & skf18("6","3","9","10","1","8","1") = "9"
    & skf18("6","3","9","10","1","9","1") = "9"
    & skf18("6","3","9","10","1","10","1") = "9"
    & skf18("6","3","9","10","2","1","1") = "9"
    & skf18("6","3","9","10","2","2","1") = "9"
    & skf18("6","3","9","10","2","3","1") = "9"
    & skf18("6","3","9","10","2","4","1") = "9"
    & skf18("6","3","9","10","2","5","1") = "9"
    & skf18("6","3","9","10","2","6","1") = "9"
    & skf18("6","3","9","10","2","7","1") = "9"
    & skf18("6","3","9","10","2","8","1") = "9"
    & skf18("6","3","9","10","2","9","1") = "9"
    & skf18("6","3","9","10","2","10","1") = "9"
    & skf18("6","3","9","10","3","1","1") = "9"
    & skf18("6","3","9","10","3","2","1") = "9"
    & skf18("6","3","9","10","3","3","1") = "9"
    & skf18("6","3","9","10","3","4","1") = "9"
    & skf18("6","3","9","10","3","5","1") = "9"
    & skf18("6","3","9","10","3","6","1") = "9"
    & skf18("6","3","9","10","3","7","1") = "9"
    & skf18("6","3","9","10","3","8","1") = "9"
    & skf18("6","3","9","10","3","9","1") = "9"
    & skf18("6","3","9","10","3","10","1") = "9"
    & skf18("6","3","9","10","4","1","1") = "9"
    & skf18("6","3","9","10","4","2","1") = "9"
    & skf18("6","3","9","10","4","3","1") = "9"
    & skf18("6","3","9","10","4","4","1") = "9"
    & skf18("6","3","9","10","4","5","1") = "9"
    & skf18("6","3","9","10","4","6","1") = "9"
    & skf18("6","3","9","10","4","7","1") = "9"
    & skf18("6","3","9","10","4","8","1") = "9"
    & skf18("6","3","9","10","4","9","1") = "9"
    & skf18("6","3","9","10","4","10","1") = "9"
    & skf18("6","3","9","10","5","1","1") = "9"
    & skf18("6","3","9","10","5","2","1") = "9"
    & skf18("6","3","9","10","5","3","1") = "9"
    & skf18("6","3","9","10","5","4","1") = "9"
    & skf18("6","3","9","10","5","5","1") = "9"
    & skf18("6","3","9","10","5","6","1") = "9"
    & skf18("6","3","9","10","5","7","1") = "9"
    & skf18("6","3","9","10","5","8","1") = "9"
    & skf18("6","3","9","10","5","9","1") = "9"
    & skf18("6","3","9","10","5","10","1") = "9"
    & skf18("6","3","9","10","6","1","1") = "9"
    & skf18("6","3","9","10","6","2","1") = "9"
    & skf18("6","3","9","10","6","3","1") = "9"
    & skf18("6","3","9","10","6","4","1") = "9"
    & skf18("6","3","9","10","6","5","1") = "9"
    & skf18("6","3","9","10","6","6","1") = "9"
    & skf18("6","3","9","10","6","7","1") = "9"
    & skf18("6","3","9","10","6","8","1") = "9"
    & skf18("6","3","9","10","6","9","1") = "9"
    & skf18("6","3","9","10","6","10","1") = "9"
    & skf18("6","3","9","10","7","1","1") = "9"
    & skf18("6","3","9","10","7","2","1") = "9"
    & skf18("6","3","9","10","7","3","1") = "9"
    & skf18("6","3","9","10","7","4","1") = "9"
    & skf18("6","3","9","10","7","5","1") = "9"
    & skf18("6","3","9","10","7","6","1") = "9"
    & skf18("6","3","9","10","7","7","1") = "9"
    & skf18("6","3","9","10","7","8","1") = "9"
    & skf18("6","3","9","10","7","9","1") = "9"
    & skf18("6","3","9","10","7","10","1") = "9"
    & skf18("6","3","9","10","8","1","1") = "9"
    & skf18("6","3","9","10","8","2","1") = "9"
    & skf18("6","3","9","10","8","3","1") = "9"
    & skf18("6","3","9","10","8","4","1") = "9"
    & skf18("6","3","9","10","8","5","1") = "9"
    & skf18("6","3","9","10","8","6","1") = "9"
    & skf18("6","3","9","10","8","7","1") = "9"
    & skf18("6","3","9","10","8","8","1") = "9"
    & skf18("6","3","9","10","8","9","1") = "9"
    & skf18("6","3","9","10","8","10","1") = "9"
    & skf18("6","3","9","10","9","1","1") = "9"
    & skf18("6","3","9","10","9","2","1") = "9"
    & skf18("6","3","9","10","9","3","1") = "9"
    & skf18("6","3","9","10","9","4","1") = "9"
    & skf18("6","3","9","10","9","5","1") = "9"
    & skf18("6","3","9","10","9","6","1") = "9"
    & skf18("6","3","9","10","9","7","1") = "9"
    & skf18("6","3","9","10","9","8","1") = "9"
    & skf18("6","3","9","10","9","9","1") = "9"
    & skf18("6","3","9","10","9","10","1") = "9"
    & skf18("6","3","9","10","10","1","1") = "9"
    & skf18("6","3","9","10","10","2","1") = "9"
    & skf18("6","3","9","10","10","3","1") = "9"
    & skf18("6","3","9","10","10","4","1") = "9"
    & skf18("6","3","9","10","10","5","1") = "9"
    & skf18("6","3","9","10","10","6","1") = "9"
    & skf18("6","3","9","10","10","7","1") = "9"
    & skf18("6","3","9","10","10","8","1") = "9"
    & skf18("6","3","9","10","10","9","1") = "9"
    & skf18("6","3","9","10","10","10","1") = "9"
    & skf18("6","3","10","1","1","1","1") = "9"
    & skf18("6","3","10","1","1","2","1") = "9"
    & skf18("6","3","10","1","1","3","1") = "9"
    & skf18("6","3","10","1","1","4","1") = "9"
    & skf18("6","3","10","1","1","5","1") = "9"
    & skf18("6","3","10","1","1","6","1") = "9"
    & skf18("6","3","10","1","1","7","1") = "9"
    & skf18("6","3","10","1","1","8","1") = "9"
    & skf18("6","3","10","1","1","9","1") = "9"
    & skf18("6","3","10","1","1","10","1") = "9"
    & skf18("6","3","10","1","2","1","1") = "9"
    & skf18("6","3","10","1","2","2","1") = "9"
    & skf18("6","3","10","1","2","3","1") = "9"
    & skf18("6","3","10","1","2","4","1") = "9"
    & skf18("6","3","10","1","2","5","1") = "9"
    & skf18("6","3","10","1","2","6","1") = "9"
    & skf18("6","3","10","1","2","7","1") = "9"
    & skf18("6","3","10","1","2","8","1") = "9"
    & skf18("6","3","10","1","2","9","1") = "9"
    & skf18("6","3","10","1","2","10","1") = "9"
    & skf18("6","3","10","1","3","1","1") = "9"
    & skf18("6","3","10","1","3","2","1") = "9"
    & skf18("6","3","10","1","3","3","1") = "9"
    & skf18("6","3","10","1","3","4","1") = "9"
    & skf18("6","3","10","1","3","5","1") = "9"
    & skf18("6","3","10","1","3","6","1") = "9"
    & skf18("6","3","10","1","3","7","1") = "9"
    & skf18("6","3","10","1","3","8","1") = "9"
    & skf18("6","3","10","1","3","9","1") = "9"
    & skf18("6","3","10","1","3","10","1") = "9"
    & skf18("6","3","10","1","4","1","1") = "9"
    & skf18("6","3","10","1","4","2","1") = "9"
    & skf18("6","3","10","1","4","3","1") = "9"
    & skf18("6","3","10","1","4","4","1") = "9"
    & skf18("6","3","10","1","4","5","1") = "9"
    & skf18("6","3","10","1","4","6","1") = "9"
    & skf18("6","3","10","1","4","7","1") = "9"
    & skf18("6","3","10","1","4","8","1") = "9"
    & skf18("6","3","10","1","4","9","1") = "9"
    & skf18("6","3","10","1","4","10","1") = "9"
    & skf18("6","3","10","1","5","1","1") = "9"
    & skf18("6","3","10","1","5","2","1") = "9"
    & skf18("6","3","10","1","5","3","1") = "9"
    & skf18("6","3","10","1","5","4","1") = "9"
    & skf18("6","3","10","1","5","5","1") = "9"
    & skf18("6","3","10","1","5","6","1") = "9"
    & skf18("6","3","10","1","5","7","1") = "9"
    & skf18("6","3","10","1","5","8","1") = "9"
    & skf18("6","3","10","1","5","9","1") = "9"
    & skf18("6","3","10","1","5","10","1") = "9"
    & skf18("6","3","10","1","6","1","1") = "9"
    & skf18("6","3","10","1","6","2","1") = "9"
    & skf18("6","3","10","1","6","3","1") = "9"
    & skf18("6","3","10","1","6","4","1") = "9"
    & skf18("6","3","10","1","6","5","1") = "9"
    & skf18("6","3","10","1","6","6","1") = "9"
    & skf18("6","3","10","1","6","7","1") = "9"
    & skf18("6","3","10","1","6","8","1") = "9"
    & skf18("6","3","10","1","6","9","1") = "9"
    & skf18("6","3","10","1","6","10","1") = "9"
    & skf18("6","3","10","1","7","1","1") = "9"
    & skf18("6","3","10","1","7","2","1") = "9"
    & skf18("6","3","10","1","7","3","1") = "9"
    & skf18("6","3","10","1","7","4","1") = "9"
    & skf18("6","3","10","1","7","5","1") = "9"
    & skf18("6","3","10","1","7","6","1") = "9"
    & skf18("6","3","10","1","7","7","1") = "9"
    & skf18("6","3","10","1","7","8","1") = "9"
    & skf18("6","3","10","1","7","9","1") = "9"
    & skf18("6","3","10","1","7","10","1") = "9"
    & skf18("6","3","10","1","8","1","1") = "9"
    & skf18("6","3","10","1","8","2","1") = "9"
    & skf18("6","3","10","1","8","3","1") = "9"
    & skf18("6","3","10","1","8","4","1") = "9"
    & skf18("6","3","10","1","8","5","1") = "9"
    & skf18("6","3","10","1","8","6","1") = "9"
    & skf18("6","3","10","1","8","7","1") = "9"
    & skf18("6","3","10","1","8","8","1") = "9"
    & skf18("6","3","10","1","8","9","1") = "9"
    & skf18("6","3","10","1","8","10","1") = "9"
    & skf18("6","3","10","1","9","1","1") = "9"
    & skf18("6","3","10","1","9","2","1") = "9"
    & skf18("6","3","10","1","9","3","1") = "9"
    & skf18("6","3","10","1","9","4","1") = "9"
    & skf18("6","3","10","1","9","5","1") = "9"
    & skf18("6","3","10","1","9","6","1") = "9"
    & skf18("6","3","10","1","9","7","1") = "9"
    & skf18("6","3","10","1","9","8","1") = "9"
    & skf18("6","3","10","1","9","9","1") = "9"
    & skf18("6","3","10","1","9","10","1") = "9"
    & skf18("6","3","10","1","10","1","1") = "9"
    & skf18("6","3","10","1","10","2","1") = "9"
    & skf18("6","3","10","1","10","3","1") = "9"
    & skf18("6","3","10","1","10","4","1") = "9"
    & skf18("6","3","10","1","10","5","1") = "9"
    & skf18("6","3","10","1","10","6","1") = "9"
    & skf18("6","3","10","1","10","7","1") = "9"
    & skf18("6","3","10","1","10","8","1") = "9"
    & skf18("6","3","10","1","10","9","1") = "9"
    & skf18("6","3","10","1","10","10","1") = "9"
    & skf18("6","3","10","2","1","1","1") = "9"
    & skf18("6","3","10","2","1","2","1") = "9"
    & skf18("6","3","10","2","1","3","1") = "9"
    & skf18("6","3","10","2","1","4","1") = "9"
    & skf18("6","3","10","2","1","5","1") = "9"
    & skf18("6","3","10","2","1","6","1") = "9"
    & skf18("6","3","10","2","1","7","1") = "9"
    & skf18("6","3","10","2","1","8","1") = "9"
    & skf18("6","3","10","2","1","9","1") = "9"
    & skf18("6","3","10","2","1","10","1") = "9"
    & skf18("6","3","10","2","2","1","1") = "9"
    & skf18("6","3","10","2","2","2","1") = "9"
    & skf18("6","3","10","2","2","3","1") = "9"
    & skf18("6","3","10","2","2","4","1") = "9"
    & skf18("6","3","10","2","2","5","1") = "9"
    & skf18("6","3","10","2","2","6","1") = "9"
    & skf18("6","3","10","2","2","7","1") = "9"
    & skf18("6","3","10","2","2","8","1") = "9"
    & skf18("6","3","10","2","2","9","1") = "9"
    & skf18("6","3","10","2","2","10","1") = "9"
    & skf18("6","3","10","2","3","1","1") = "9"
    & skf18("6","3","10","2","3","2","1") = "9"
    & skf18("6","3","10","2","3","3","1") = "9"
    & skf18("6","3","10","2","3","4","1") = "9"
    & skf18("6","3","10","2","3","5","1") = "9"
    & skf18("6","3","10","2","3","6","1") = "9"
    & skf18("6","3","10","2","3","7","1") = "9"
    & skf18("6","3","10","2","3","8","1") = "9"
    & skf18("6","3","10","2","3","9","1") = "9"
    & skf18("6","3","10","2","3","10","1") = "9"
    & skf18("6","3","10","2","4","1","1") = "9"
    & skf18("6","3","10","2","4","2","1") = "9"
    & skf18("6","3","10","2","4","3","1") = "9"
    & skf18("6","3","10","2","4","4","1") = "9"
    & skf18("6","3","10","2","4","5","1") = "9"
    & skf18("6","3","10","2","4","6","1") = "9"
    & skf18("6","3","10","2","4","7","1") = "9"
    & skf18("6","3","10","2","4","8","1") = "9"
    & skf18("6","3","10","2","4","9","1") = "9"
    & skf18("6","3","10","2","4","10","1") = "9"
    & skf18("6","3","10","2","5","1","1") = "9"
    & skf18("6","3","10","2","5","2","1") = "9"
    & skf18("6","3","10","2","5","3","1") = "9"
    & skf18("6","3","10","2","5","4","1") = "9"
    & skf18("6","3","10","2","5","5","1") = "9"
    & skf18("6","3","10","2","5","6","1") = "9"
    & skf18("6","3","10","2","5","7","1") = "9"
    & skf18("6","3","10","2","5","8","1") = "9"
    & skf18("6","3","10","2","5","9","1") = "9"
    & skf18("6","3","10","2","5","10","1") = "9"
    & skf18("6","3","10","2","6","1","1") = "9"
    & skf18("6","3","10","2","6","2","1") = "9"
    & skf18("6","3","10","2","6","3","1") = "9"
    & skf18("6","3","10","2","6","4","1") = "9"
    & skf18("6","3","10","2","6","5","1") = "9"
    & skf18("6","3","10","2","6","6","1") = "9"
    & skf18("6","3","10","2","6","7","1") = "9"
    & skf18("6","3","10","2","6","8","1") = "9"
    & skf18("6","3","10","2","6","9","1") = "9"
    & skf18("6","3","10","2","6","10","1") = "9"
    & skf18("6","3","10","2","7","1","1") = "9"
    & skf18("6","3","10","2","7","2","1") = "9"
    & skf18("6","3","10","2","7","3","1") = "9"
    & skf18("6","3","10","2","7","4","1") = "9"
    & skf18("6","3","10","2","7","5","1") = "9"
    & skf18("6","3","10","2","7","6","1") = "9"
    & skf18("6","3","10","2","7","7","1") = "9"
    & skf18("6","3","10","2","7","8","1") = "9"
    & skf18("6","3","10","2","7","9","1") = "9"
    & skf18("6","3","10","2","7","10","1") = "9"
    & skf18("6","3","10","2","8","1","1") = "9"
    & skf18("6","3","10","2","8","2","1") = "9"
    & skf18("6","3","10","2","8","3","1") = "9"
    & skf18("6","3","10","2","8","4","1") = "9"
    & skf18("6","3","10","2","8","5","1") = "9"
    & skf18("6","3","10","2","8","6","1") = "9"
    & skf18("6","3","10","2","8","7","1") = "9"
    & skf18("6","3","10","2","8","8","1") = "9"
    & skf18("6","3","10","2","8","9","1") = "9"
    & skf18("6","3","10","2","8","10","1") = "9"
    & skf18("6","3","10","2","9","1","1") = "9"
    & skf18("6","3","10","2","9","2","1") = "9"
    & skf18("6","3","10","2","9","3","1") = "9"
    & skf18("6","3","10","2","9","4","1") = "9"
    & skf18("6","3","10","2","9","5","1") = "9"
    & skf18("6","3","10","2","9","6","1") = "9"
    & skf18("6","3","10","2","9","7","1") = "9"
    & skf18("6","3","10","2","9","8","1") = "9"
    & skf18("6","3","10","2","9","9","1") = "9"
    & skf18("6","3","10","2","9","10","1") = "9"
    & skf18("6","3","10","2","10","1","1") = "9"
    & skf18("6","3","10","2","10","2","1") = "9"
    & skf18("6","3","10","2","10","3","1") = "9"
    & skf18("6","3","10","2","10","4","1") = "9"
    & skf18("6","3","10","2","10","5","1") = "9"
    & skf18("6","3","10","2","10","6","1") = "9"
    & skf18("6","3","10","2","10","7","1") = "9"
    & skf18("6","3","10","2","10","8","1") = "9"
    & skf18("6","3","10","2","10","9","1") = "9"
    & skf18("6","3","10","2","10","10","1") = "9"
    & skf18("6","3","10","3","1","1","1") = "9"
    & skf18("6","3","10","3","1","2","1") = "9"
    & skf18("6","3","10","3","1","3","1") = "9"
    & skf18("6","3","10","3","1","4","1") = "9"
    & skf18("6","3","10","3","1","5","1") = "9"
    & skf18("6","3","10","3","1","6","1") = "9"
    & skf18("6","3","10","3","1","7","1") = "9"
    & skf18("6","3","10","3","1","8","1") = "9"
    & skf18("6","3","10","3","1","9","1") = "9"
    & skf18("6","3","10","3","1","10","1") = "9"
    & skf18("6","3","10","3","2","1","1") = "9"
    & skf18("6","3","10","3","2","2","1") = "9"
    & skf18("6","3","10","3","2","3","1") = "9"
    & skf18("6","3","10","3","2","4","1") = "9"
    & skf18("6","3","10","3","2","5","1") = "9"
    & skf18("6","3","10","3","2","6","1") = "9"
    & skf18("6","3","10","3","2","7","1") = "9"
    & skf18("6","3","10","3","2","8","1") = "9"
    & skf18("6","3","10","3","2","9","1") = "9"
    & skf18("6","3","10","3","2","10","1") = "9"
    & skf18("6","3","10","3","3","1","1") = "9"
    & skf18("6","3","10","3","3","2","1") = "9"
    & skf18("6","3","10","3","3","3","1") = "9"
    & skf18("6","3","10","3","3","4","1") = "9"
    & skf18("6","3","10","3","3","5","1") = "9"
    & skf18("6","3","10","3","3","6","1") = "9"
    & skf18("6","3","10","3","3","7","1") = "9"
    & skf18("6","3","10","3","3","8","1") = "9"
    & skf18("6","3","10","3","3","9","1") = "9"
    & skf18("6","3","10","3","3","10","1") = "9"
    & skf18("6","3","10","3","4","1","1") = "9"
    & skf18("6","3","10","3","4","2","1") = "9"
    & skf18("6","3","10","3","4","3","1") = "9"
    & skf18("6","3","10","3","4","4","1") = "9"
    & skf18("6","3","10","3","4","5","1") = "9"
    & skf18("6","3","10","3","4","6","1") = "9"
    & skf18("6","3","10","3","4","7","1") = "9"
    & skf18("6","3","10","3","4","8","1") = "9"
    & skf18("6","3","10","3","4","9","1") = "9"
    & skf18("6","3","10","3","4","10","1") = "9"
    & skf18("6","3","10","3","5","1","1") = "9"
    & skf18("6","3","10","3","5","2","1") = "9"
    & skf18("6","3","10","3","5","3","1") = "9"
    & skf18("6","3","10","3","5","4","1") = "9"
    & skf18("6","3","10","3","5","5","1") = "9"
    & skf18("6","3","10","3","5","6","1") = "9"
    & skf18("6","3","10","3","5","7","1") = "9"
    & skf18("6","3","10","3","5","8","1") = "9"
    & skf18("6","3","10","3","5","9","1") = "9"
    & skf18("6","3","10","3","5","10","1") = "9"
    & skf18("6","3","10","3","6","1","1") = "9"
    & skf18("6","3","10","3","6","2","1") = "9"
    & skf18("6","3","10","3","6","3","1") = "9"
    & skf18("6","3","10","3","6","4","1") = "9"
    & skf18("6","3","10","3","6","5","1") = "9"
    & skf18("6","3","10","3","6","6","1") = "9"
    & skf18("6","3","10","3","6","7","1") = "9"
    & skf18("6","3","10","3","6","8","1") = "9"
    & skf18("6","3","10","3","6","9","1") = "9"
    & skf18("6","3","10","3","6","10","1") = "9"
    & skf18("6","3","10","3","7","1","1") = "9"
    & skf18("6","3","10","3","7","2","1") = "9"
    & skf18("6","3","10","3","7","3","1") = "9"
    & skf18("6","3","10","3","7","4","1") = "9"
    & skf18("6","3","10","3","7","5","1") = "9"
    & skf18("6","3","10","3","7","6","1") = "9"
    & skf18("6","3","10","3","7","7","1") = "9"
    & skf18("6","3","10","3","7","8","1") = "9"
    & skf18("6","3","10","3","7","9","1") = "9"
    & skf18("6","3","10","3","7","10","1") = "9"
    & skf18("6","3","10","3","8","1","1") = "9"
    & skf18("6","3","10","3","8","2","1") = "9"
    & skf18("6","3","10","3","8","3","1") = "9"
    & skf18("6","3","10","3","8","4","1") = "9"
    & skf18("6","3","10","3","8","5","1") = "9"
    & skf18("6","3","10","3","8","6","1") = "9"
    & skf18("6","3","10","3","8","7","1") = "9"
    & skf18("6","3","10","3","8","8","1") = "9"
    & skf18("6","3","10","3","8","9","1") = "9"
    & skf18("6","3","10","3","8","10","1") = "9"
    & skf18("6","3","10","3","9","1","1") = "9"
    & skf18("6","3","10","3","9","2","1") = "9"
    & skf18("6","3","10","3","9","3","1") = "9"
    & skf18("6","3","10","3","9","4","1") = "9"
    & skf18("6","3","10","3","9","5","1") = "9"
    & skf18("6","3","10","3","9","6","1") = "9"
    & skf18("6","3","10","3","9","7","1") = "9"
    & skf18("6","3","10","3","9","8","1") = "9"
    & skf18("6","3","10","3","9","9","1") = "9"
    & skf18("6","3","10","3","9","10","1") = "9"
    & skf18("6","3","10","3","10","1","1") = "9"
    & skf18("6","3","10","3","10","2","1") = "9"
    & skf18("6","3","10","3","10","3","1") = "9"
    & skf18("6","3","10","3","10","4","1") = "9"
    & skf18("6","3","10","3","10","5","1") = "9"
    & skf18("6","3","10","3","10","6","1") = "9"
    & skf18("6","3","10","3","10","7","1") = "9"
    & skf18("6","3","10","3","10","8","1") = "9"
    & skf18("6","3","10","3","10","9","1") = "9"
    & skf18("6","3","10","3","10","10","1") = "9"
    & skf18("6","3","10","4","1","1","1") = "9"
    & skf18("6","3","10","4","1","2","1") = "9"
    & skf18("6","3","10","4","1","3","1") = "9"
    & skf18("6","3","10","4","1","4","1") = "9"
    & skf18("6","3","10","4","1","5","1") = "9"
    & skf18("6","3","10","4","1","6","1") = "9"
    & skf18("6","3","10","4","1","7","1") = "9"
    & skf18("6","3","10","4","1","8","1") = "9"
    & skf18("6","3","10","4","1","9","1") = "9"
    & skf18("6","3","10","4","1","10","1") = "9"
    & skf18("6","3","10","4","2","1","1") = "9"
    & skf18("6","3","10","4","2","2","1") = "9"
    & skf18("6","3","10","4","2","3","1") = "9"
    & skf18("6","3","10","4","2","4","1") = "9"
    & skf18("6","3","10","4","2","5","1") = "9"
    & skf18("6","3","10","4","2","6","1") = "9"
    & skf18("6","3","10","4","2","7","1") = "9"
    & skf18("6","3","10","4","2","8","1") = "9"
    & skf18("6","3","10","4","2","9","1") = "9"
    & skf18("6","3","10","4","2","10","1") = "9"
    & skf18("6","3","10","4","3","1","1") = "9"
    & skf18("6","3","10","4","3","2","1") = "9"
    & skf18("6","3","10","4","3","3","1") = "9"
    & skf18("6","3","10","4","3","4","1") = "9"
    & skf18("6","3","10","4","3","5","1") = "9"
    & skf18("6","3","10","4","3","6","1") = "9"
    & skf18("6","3","10","4","3","7","1") = "9"
    & skf18("6","3","10","4","3","8","1") = "9"
    & skf18("6","3","10","4","3","9","1") = "9"
    & skf18("6","3","10","4","3","10","1") = "9"
    & skf18("6","3","10","4","4","1","1") = "9"
    & skf18("6","3","10","4","4","2","1") = "9"
    & skf18("6","3","10","4","4","3","1") = "9"
    & skf18("6","3","10","4","4","4","1") = "9"
    & skf18("6","3","10","4","4","5","1") = "9"
    & skf18("6","3","10","4","4","6","1") = "9"
    & skf18("6","3","10","4","4","7","1") = "9"
    & skf18("6","3","10","4","4","8","1") = "9"
    & skf18("6","3","10","4","4","9","1") = "9"
    & skf18("6","3","10","4","4","10","1") = "9"
    & skf18("6","3","10","4","5","1","1") = "9"
    & skf18("6","3","10","4","5","2","1") = "9"
    & skf18("6","3","10","4","5","3","1") = "9"
    & skf18("6","3","10","4","5","4","1") = "9"
    & skf18("6","3","10","4","5","5","1") = "9"
    & skf18("6","3","10","4","5","6","1") = "9"
    & skf18("6","3","10","4","5","7","1") = "9"
    & skf18("6","3","10","4","5","8","1") = "9"
    & skf18("6","3","10","4","5","9","1") = "9"
    & skf18("6","3","10","4","5","10","1") = "9"
    & skf18("6","3","10","4","6","1","1") = "9"
    & skf18("6","3","10","4","6","2","1") = "9"
    & skf18("6","3","10","4","6","3","1") = "9"
    & skf18("6","3","10","4","6","4","1") = "9"
    & skf18("6","3","10","4","6","5","1") = "9"
    & skf18("6","3","10","4","6","6","1") = "9"
    & skf18("6","3","10","4","6","7","1") = "9"
    & skf18("6","3","10","4","6","8","1") = "9"
    & skf18("6","3","10","4","6","9","1") = "9"
    & skf18("6","3","10","4","6","10","1") = "9"
    & skf18("6","3","10","4","7","1","1") = "9"
    & skf18("6","3","10","4","7","2","1") = "9"
    & skf18("6","3","10","4","7","3","1") = "9"
    & skf18("6","3","10","4","7","4","1") = "9"
    & skf18("6","3","10","4","7","5","1") = "9"
    & skf18("6","3","10","4","7","6","1") = "9"
    & skf18("6","3","10","4","7","7","1") = "9"
    & skf18("6","3","10","4","7","8","1") = "9"
    & skf18("6","3","10","4","7","9","1") = "9"
    & skf18("6","3","10","4","7","10","1") = "9"
    & skf18("6","3","10","4","8","1","1") = "9"
    & skf18("6","3","10","4","8","2","1") = "9"
    & skf18("6","3","10","4","8","3","1") = "9"
    & skf18("6","3","10","4","8","4","1") = "9"
    & skf18("6","3","10","4","8","5","1") = "9"
    & skf18("6","3","10","4","8","6","1") = "9"
    & skf18("6","3","10","4","8","7","1") = "9"
    & skf18("6","3","10","4","8","8","1") = "9"
    & skf18("6","3","10","4","8","9","1") = "9"
    & skf18("6","3","10","4","8","10","1") = "9"
    & skf18("6","3","10","4","9","1","1") = "9"
    & skf18("6","3","10","4","9","2","1") = "9"
    & skf18("6","3","10","4","9","3","1") = "9"
    & skf18("6","3","10","4","9","4","1") = "9"
    & skf18("6","3","10","4","9","5","1") = "9"
    & skf18("6","3","10","4","9","6","1") = "9"
    & skf18("6","3","10","4","9","7","1") = "9"
    & skf18("6","3","10","4","9","8","1") = "9"
    & skf18("6","3","10","4","9","9","1") = "9"
    & skf18("6","3","10","4","9","10","1") = "9"
    & skf18("6","3","10","4","10","1","1") = "9"
    & skf18("6","3","10","4","10","2","1") = "9"
    & skf18("6","3","10","4","10","3","1") = "9"
    & skf18("6","3","10","4","10","4","1") = "9"
    & skf18("6","3","10","4","10","5","1") = "9"
    & skf18("6","3","10","4","10","6","1") = "9"
    & skf18("6","3","10","4","10","7","1") = "9"
    & skf18("6","3","10","4","10","8","1") = "9"
    & skf18("6","3","10","4","10","9","1") = "9"
    & skf18("6","3","10","4","10","10","1") = "9"
    & skf18("6","3","10","5","1","1","1") = "9"
    & skf18("6","3","10","5","1","2","1") = "9"
    & skf18("6","3","10","5","1","3","1") = "9"
    & skf18("6","3","10","5","1","4","1") = "9"
    & skf18("6","3","10","5","1","5","1") = "9"
    & skf18("6","3","10","5","1","6","1") = "9"
    & skf18("6","3","10","5","1","7","1") = "9"
    & skf18("6","3","10","5","1","8","1") = "9"
    & skf18("6","3","10","5","1","9","1") = "9"
    & skf18("6","3","10","5","1","10","1") = "9"
    & skf18("6","3","10","5","2","1","1") = "9"
    & skf18("6","3","10","5","2","2","1") = "9"
    & skf18("6","3","10","5","2","3","1") = "9"
    & skf18("6","3","10","5","2","4","1") = "9"
    & skf18("6","3","10","5","2","5","1") = "9"
    & skf18("6","3","10","5","2","6","1") = "9"
    & skf18("6","3","10","5","2","7","1") = "9"
    & skf18("6","3","10","5","2","8","1") = "9"
    & skf18("6","3","10","5","2","9","1") = "9"
    & skf18("6","3","10","5","2","10","1") = "9"
    & skf18("6","3","10","5","3","1","1") = "9"
    & skf18("6","3","10","5","3","2","1") = "9"
    & skf18("6","3","10","5","3","3","1") = "9"
    & skf18("6","3","10","5","3","4","1") = "9"
    & skf18("6","3","10","5","3","5","1") = "9"
    & skf18("6","3","10","5","3","6","1") = "9"
    & skf18("6","3","10","5","3","7","1") = "9"
    & skf18("6","3","10","5","3","8","1") = "9"
    & skf18("6","3","10","5","3","9","1") = "9"
    & skf18("6","3","10","5","3","10","1") = "9"
    & skf18("6","3","10","5","4","1","1") = "9"
    & skf18("6","3","10","5","4","2","1") = "9"
    & skf18("6","3","10","5","4","3","1") = "9"
    & skf18("6","3","10","5","4","4","1") = "9"
    & skf18("6","3","10","5","4","5","1") = "9"
    & skf18("6","3","10","5","4","6","1") = "9"
    & skf18("6","3","10","5","4","7","1") = "9"
    & skf18("6","3","10","5","4","8","1") = "9"
    & skf18("6","3","10","5","4","9","1") = "9"
    & skf18("6","3","10","5","4","10","1") = "9"
    & skf18("6","3","10","5","5","1","1") = "9"
    & skf18("6","3","10","5","5","2","1") = "9"
    & skf18("6","3","10","5","5","3","1") = "9"
    & skf18("6","3","10","5","5","4","1") = "9"
    & skf18("6","3","10","5","5","5","1") = "9"
    & skf18("6","3","10","5","5","6","1") = "9"
    & skf18("6","3","10","5","5","7","1") = "9"
    & skf18("6","3","10","5","5","8","1") = "9"
    & skf18("6","3","10","5","5","9","1") = "9"
    & skf18("6","3","10","5","5","10","1") = "9"
    & skf18("6","3","10","5","6","1","1") = "9"
    & skf18("6","3","10","5","6","2","1") = "9"
    & skf18("6","3","10","5","6","3","1") = "9"
    & skf18("6","3","10","5","6","4","1") = "9"
    & skf18("6","3","10","5","6","5","1") = "9"
    & skf18("6","3","10","5","6","6","1") = "9"
    & skf18("6","3","10","5","6","7","1") = "9"
    & skf18("6","3","10","5","6","8","1") = "9"
    & skf18("6","3","10","5","6","9","1") = "9"
    & skf18("6","3","10","5","6","10","1") = "9"
    & skf18("6","3","10","5","7","1","1") = "9"
    & skf18("6","3","10","5","7","2","1") = "9"
    & skf18("6","3","10","5","7","3","1") = "9"
    & skf18("6","3","10","5","7","4","1") = "9"
    & skf18("6","3","10","5","7","5","1") = "9"
    & skf18("6","3","10","5","7","6","1") = "9"
    & skf18("6","3","10","5","7","7","1") = "9"
    & skf18("6","3","10","5","7","8","1") = "9"
    & skf18("6","3","10","5","7","9","1") = "9"
    & skf18("6","3","10","5","7","10","1") = "9"
    & skf18("6","3","10","5","8","1","1") = "9"
    & skf18("6","3","10","5","8","2","1") = "9"
    & skf18("6","3","10","5","8","3","1") = "9"
    & skf18("6","3","10","5","8","4","1") = "9"
    & skf18("6","3","10","5","8","5","1") = "9"
    & skf18("6","3","10","5","8","6","1") = "9"
    & skf18("6","3","10","5","8","7","1") = "9"
    & skf18("6","3","10","5","8","8","1") = "9"
    & skf18("6","3","10","5","8","9","1") = "9"
    & skf18("6","3","10","5","8","10","1") = "9"
    & skf18("6","3","10","5","9","1","1") = "9"
    & skf18("6","3","10","5","9","2","1") = "9"
    & skf18("6","3","10","5","9","3","1") = "9"
    & skf18("6","3","10","5","9","4","1") = "9"
    & skf18("6","3","10","5","9","5","1") = "9"
    & skf18("6","3","10","5","9","6","1") = "9"
    & skf18("6","3","10","5","9","7","1") = "9"
    & skf18("6","3","10","5","9","8","1") = "9"
    & skf18("6","3","10","5","9","9","1") = "9"
    & skf18("6","3","10","5","9","10","1") = "9"
    & skf18("6","3","10","5","10","1","1") = "9"
    & skf18("6","3","10","5","10","2","1") = "9"
    & skf18("6","3","10","5","10","3","1") = "9"
    & skf18("6","3","10","5","10","4","1") = "9"
    & skf18("6","3","10","5","10","5","1") = "9"
    & skf18("6","3","10","5","10","6","1") = "9"
    & skf18("6","3","10","5","10","7","1") = "9"
    & skf18("6","3","10","5","10","8","1") = "9"
    & skf18("6","3","10","5","10","9","1") = "9"
    & skf18("6","3","10","5","10","10","1") = "9"
    & skf18("6","3","10","6","1","1","1") = "9"
    & skf18("6","3","10","6","1","2","1") = "9"
    & skf18("6","3","10","6","1","3","1") = "9"
    & skf18("6","3","10","6","1","4","1") = "9"
    & skf18("6","3","10","6","1","5","1") = "9"
    & skf18("6","3","10","6","1","6","1") = "9"
    & skf18("6","3","10","6","1","7","1") = "9"
    & skf18("6","3","10","6","1","8","1") = "9"
    & skf18("6","3","10","6","1","9","1") = "9"
    & skf18("6","3","10","6","1","10","1") = "9"
    & skf18("6","3","10","6","2","1","1") = "9"
    & skf18("6","3","10","6","2","2","1") = "9"
    & skf18("6","3","10","6","2","3","1") = "9"
    & skf18("6","3","10","6","2","4","1") = "9"
    & skf18("6","3","10","6","2","5","1") = "9"
    & skf18("6","3","10","6","2","6","1") = "9"
    & skf18("6","3","10","6","2","7","1") = "9"
    & skf18("6","3","10","6","2","8","1") = "9"
    & skf18("6","3","10","6","2","9","1") = "9"
    & skf18("6","3","10","6","2","10","1") = "9"
    & skf18("6","3","10","6","3","1","1") = "9"
    & skf18("6","3","10","6","3","2","1") = "9"
    & skf18("6","3","10","6","3","3","1") = "9"
    & skf18("6","3","10","6","3","4","1") = "9"
    & skf18("6","3","10","6","3","5","1") = "9"
    & skf18("6","3","10","6","3","6","1") = "9"
    & skf18("6","3","10","6","3","7","1") = "9"
    & skf18("6","3","10","6","3","8","1") = "9"
    & skf18("6","3","10","6","3","9","1") = "9"
    & skf18("6","3","10","6","3","10","1") = "9"
    & skf18("6","3","10","6","4","1","1") = "9"
    & skf18("6","3","10","6","4","2","1") = "9"
    & skf18("6","3","10","6","4","3","1") = "9"
    & skf18("6","3","10","6","4","4","1") = "9"
    & skf18("6","3","10","6","4","5","1") = "9"
    & skf18("6","3","10","6","4","6","1") = "9"
    & skf18("6","3","10","6","4","7","1") = "9"
    & skf18("6","3","10","6","4","8","1") = "9"
    & skf18("6","3","10","6","4","9","1") = "9"
    & skf18("6","3","10","6","4","10","1") = "9"
    & skf18("6","3","10","6","5","1","1") = "9"
    & skf18("6","3","10","6","5","2","1") = "9"
    & skf18("6","3","10","6","5","3","1") = "9"
    & skf18("6","3","10","6","5","4","1") = "9"
    & skf18("6","3","10","6","5","5","1") = "9"
    & skf18("6","3","10","6","5","6","1") = "9"
    & skf18("6","3","10","6","5","7","1") = "9"
    & skf18("6","3","10","6","5","8","1") = "9"
    & skf18("6","3","10","6","5","9","1") = "9"
    & skf18("6","3","10","6","5","10","1") = "9"
    & skf18("6","3","10","6","6","1","1") = "9"
    & skf18("6","3","10","6","6","2","1") = "9"
    & skf18("6","3","10","6","6","3","1") = "9"
    & skf18("6","3","10","6","6","4","1") = "9"
    & skf18("6","3","10","6","6","5","1") = "9"
    & skf18("6","3","10","6","6","6","1") = "9"
    & skf18("6","3","10","6","6","7","1") = "9"
    & skf18("6","3","10","6","6","8","1") = "9"
    & skf18("6","3","10","6","6","9","1") = "9"
    & skf18("6","3","10","6","6","10","1") = "9"
    & skf18("6","3","10","6","7","1","1") = "9"
    & skf18("6","3","10","6","7","2","1") = "9"
    & skf18("6","3","10","6","7","3","1") = "9"
    & skf18("6","3","10","6","7","4","1") = "9"
    & skf18("6","3","10","6","7","5","1") = "9"
    & skf18("6","3","10","6","7","6","1") = "9"
    & skf18("6","3","10","6","7","7","1") = "9"
    & skf18("6","3","10","6","7","8","1") = "9"
    & skf18("6","3","10","6","7","9","1") = "9"
    & skf18("6","3","10","6","7","10","1") = "9"
    & skf18("6","3","10","6","8","1","1") = "9"
    & skf18("6","3","10","6","8","2","1") = "9"
    & skf18("6","3","10","6","8","3","1") = "9"
    & skf18("6","3","10","6","8","4","1") = "9"
    & skf18("6","3","10","6","8","5","1") = "9"
    & skf18("6","3","10","6","8","6","1") = "9"
    & skf18("6","3","10","6","8","7","1") = "9"
    & skf18("6","3","10","6","8","8","1") = "9"
    & skf18("6","3","10","6","8","9","1") = "9"
    & skf18("6","3","10","6","8","10","1") = "9"
    & skf18("6","3","10","6","9","1","1") = "9"
    & skf18("6","3","10","6","9","2","1") = "9"
    & skf18("6","3","10","6","9","3","1") = "9"
    & skf18("6","3","10","6","9","4","1") = "9"
    & skf18("6","3","10","6","9","5","1") = "9"
    & skf18("6","3","10","6","9","6","1") = "9"
    & skf18("6","3","10","6","9","7","1") = "9"
    & skf18("6","3","10","6","9","8","1") = "9"
    & skf18("6","3","10","6","9","9","1") = "9"
    & skf18("6","3","10","6","9","10","1") = "9"
    & skf18("6","3","10","6","10","1","1") = "9"
    & skf18("6","3","10","6","10","2","1") = "9"
    & skf18("6","3","10","6","10","3","1") = "9"
    & skf18("6","3","10","6","10","4","1") = "9"
    & skf18("6","3","10","6","10","5","1") = "9"
    & skf18("6","3","10","6","10","6","1") = "9"
    & skf18("6","3","10","6","10","7","1") = "9"
    & skf18("6","3","10","6","10","8","1") = "9"
    & skf18("6","3","10","6","10","9","1") = "9"
    & skf18("6","3","10","6","10","10","1") = "9"
    & skf18("6","3","10","7","1","1","1") = "9"
    & skf18("6","3","10","7","1","2","1") = "9"
    & skf18("6","3","10","7","1","3","1") = "9"
    & skf18("6","3","10","7","1","4","1") = "9"
    & skf18("6","3","10","7","1","5","1") = "9"
    & skf18("6","3","10","7","1","6","1") = "9"
    & skf18("6","3","10","7","1","7","1") = "9"
    & skf18("6","3","10","7","1","8","1") = "9"
    & skf18("6","3","10","7","1","9","1") = "9"
    & skf18("6","3","10","7","1","10","1") = "9"
    & skf18("6","3","10","7","2","1","1") = "9"
    & skf18("6","3","10","7","2","2","1") = "9"
    & skf18("6","3","10","7","2","3","1") = "9"
    & skf18("6","3","10","7","2","4","1") = "9"
    & skf18("6","3","10","7","2","5","1") = "9"
    & skf18("6","3","10","7","2","6","1") = "9"
    & skf18("6","3","10","7","2","7","1") = "9"
    & skf18("6","3","10","7","2","8","1") = "9"
    & skf18("6","3","10","7","2","9","1") = "9"
    & skf18("6","3","10","7","2","10","1") = "9"
    & skf18("6","3","10","7","3","1","1") = "9"
    & skf18("6","3","10","7","3","2","1") = "9"
    & skf18("6","3","10","7","3","3","1") = "9"
    & skf18("6","3","10","7","3","4","1") = "9"
    & skf18("6","3","10","7","3","5","1") = "9"
    & skf18("6","3","10","7","3","6","1") = "9"
    & skf18("6","3","10","7","3","7","1") = "9"
    & skf18("6","3","10","7","3","8","1") = "9"
    & skf18("6","3","10","7","3","9","1") = "9"
    & skf18("6","3","10","7","3","10","1") = "9"
    & skf18("6","3","10","7","4","1","1") = "9"
    & skf18("6","3","10","7","4","2","1") = "9"
    & skf18("6","3","10","7","4","3","1") = "9"
    & skf18("6","3","10","7","4","4","1") = "9"
    & skf18("6","3","10","7","4","5","1") = "9"
    & skf18("6","3","10","7","4","6","1") = "9"
    & skf18("6","3","10","7","4","7","1") = "9"
    & skf18("6","3","10","7","4","8","1") = "9"
    & skf18("6","3","10","7","4","9","1") = "9"
    & skf18("6","3","10","7","4","10","1") = "9"
    & skf18("6","3","10","7","5","1","1") = "9"
    & skf18("6","3","10","7","5","2","1") = "9"
    & skf18("6","3","10","7","5","3","1") = "9"
    & skf18("6","3","10","7","5","4","1") = "9"
    & skf18("6","3","10","7","5","5","1") = "9"
    & skf18("6","3","10","7","5","6","1") = "9"
    & skf18("6","3","10","7","5","7","1") = "9"
    & skf18("6","3","10","7","5","8","1") = "9"
    & skf18("6","3","10","7","5","9","1") = "9"
    & skf18("6","3","10","7","5","10","1") = "9"
    & skf18("6","3","10","7","6","1","1") = "9"
    & skf18("6","3","10","7","6","2","1") = "9"
    & skf18("6","3","10","7","6","3","1") = "9"
    & skf18("6","3","10","7","6","4","1") = "9"
    & skf18("6","3","10","7","6","5","1") = "9"
    & skf18("6","3","10","7","6","6","1") = "9"
    & skf18("6","3","10","7","6","7","1") = "9"
    & skf18("6","3","10","7","6","8","1") = "9"
    & skf18("6","3","10","7","6","9","1") = "9"
    & skf18("6","3","10","7","6","10","1") = "9"
    & skf18("6","3","10","7","7","1","1") = "9"
    & skf18("6","3","10","7","7","2","1") = "9"
    & skf18("6","3","10","7","7","3","1") = "9"
    & skf18("6","3","10","7","7","4","1") = "9"
    & skf18("6","3","10","7","7","5","1") = "9"
    & skf18("6","3","10","7","7","6","1") = "9"
    & skf18("6","3","10","7","7","7","1") = "9"
    & skf18("6","3","10","7","7","8","1") = "9"
    & skf18("6","3","10","7","7","9","1") = "9"
    & skf18("6","3","10","7","7","10","1") = "9"
    & skf18("6","3","10","7","8","1","1") = "9"
    & skf18("6","3","10","7","8","2","1") = "9"
    & skf18("6","3","10","7","8","3","1") = "9"
    & skf18("6","3","10","7","8","4","1") = "9"
    & skf18("6","3","10","7","8","5","1") = "9"
    & skf18("6","3","10","7","8","6","1") = "9"
    & skf18("6","3","10","7","8","7","1") = "9"
    & skf18("6","3","10","7","8","8","1") = "9"
    & skf18("6","3","10","7","8","9","1") = "9"
    & skf18("6","3","10","7","8","10","1") = "9"
    & skf18("6","3","10","7","9","1","1") = "9"
    & skf18("6","3","10","7","9","2","1") = "9"
    & skf18("6","3","10","7","9","3","1") = "9"
    & skf18("6","3","10","7","9","4","1") = "9"
    & skf18("6","3","10","7","9","5","1") = "9"
    & skf18("6","3","10","7","9","6","1") = "9"
    & skf18("6","3","10","7","9","7","1") = "9"
    & skf18("6","3","10","7","9","8","1") = "9"
    & skf18("6","3","10","7","9","9","1") = "9"
    & skf18("6","3","10","7","9","10","1") = "9"
    & skf18("6","3","10","7","10","1","1") = "9"
    & skf18("6","3","10","7","10","2","1") = "9"
    & skf18("6","3","10","7","10","3","1") = "9"
    & skf18("6","3","10","7","10","4","1") = "9"
    & skf18("6","3","10","7","10","5","1") = "9"
    & skf18("6","3","10","7","10","6","1") = "9"
    & skf18("6","3","10","7","10","7","1") = "9"
    & skf18("6","3","10","7","10","8","1") = "9"
    & skf18("6","3","10","7","10","9","1") = "9"
    & skf18("6","3","10","7","10","10","1") = "9"
    & skf18("6","3","10","8","1","1","1") = "9"
    & skf18("6","3","10","8","1","2","1") = "9"
    & skf18("6","3","10","8","1","3","1") = "9"
    & skf18("6","3","10","8","1","4","1") = "9"
    & skf18("6","3","10","8","1","5","1") = "9"
    & skf18("6","3","10","8","1","6","1") = "9"
    & skf18("6","3","10","8","1","7","1") = "9"
    & skf18("6","3","10","8","1","8","1") = "9"
    & skf18("6","3","10","8","1","9","1") = "9"
    & skf18("6","3","10","8","1","10","1") = "9"
    & skf18("6","3","10","8","2","1","1") = "9"
    & skf18("6","3","10","8","2","2","1") = "9"
    & skf18("6","3","10","8","2","3","1") = "9"
    & skf18("6","3","10","8","2","4","1") = "9"
    & skf18("6","3","10","8","2","5","1") = "9"
    & skf18("6","3","10","8","2","6","1") = "9"
    & skf18("6","3","10","8","2","7","1") = "9"
    & skf18("6","3","10","8","2","8","1") = "9"
    & skf18("6","3","10","8","2","9","1") = "9"
    & skf18("6","3","10","8","2","10","1") = "9"
    & skf18("6","3","10","8","3","1","1") = "9"
    & skf18("6","3","10","8","3","2","1") = "9"
    & skf18("6","3","10","8","3","3","1") = "9"
    & skf18("6","3","10","8","3","4","1") = "9"
    & skf18("6","3","10","8","3","5","1") = "9"
    & skf18("6","3","10","8","3","6","1") = "9"
    & skf18("6","3","10","8","3","7","1") = "9"
    & skf18("6","3","10","8","3","8","1") = "9"
    & skf18("6","3","10","8","3","9","1") = "9"
    & skf18("6","3","10","8","3","10","1") = "9"
    & skf18("6","3","10","8","4","1","1") = "9"
    & skf18("6","3","10","8","4","2","1") = "9"
    & skf18("6","3","10","8","4","3","1") = "9"
    & skf18("6","3","10","8","4","4","1") = "9"
    & skf18("6","3","10","8","4","5","1") = "9"
    & skf18("6","3","10","8","4","6","1") = "9"
    & skf18("6","3","10","8","4","7","1") = "9"
    & skf18("6","3","10","8","4","8","1") = "9"
    & skf18("6","3","10","8","4","9","1") = "9"
    & skf18("6","3","10","8","4","10","1") = "9"
    & skf18("6","3","10","8","5","1","1") = "9"
    & skf18("6","3","10","8","5","2","1") = "9"
    & skf18("6","3","10","8","5","3","1") = "9"
    & skf18("6","3","10","8","5","4","1") = "9"
    & skf18("6","3","10","8","5","5","1") = "9"
    & skf18("6","3","10","8","5","6","1") = "9"
    & skf18("6","3","10","8","5","7","1") = "9"
    & skf18("6","3","10","8","5","8","1") = "9"
    & skf18("6","3","10","8","5","9","1") = "9"
    & skf18("6","3","10","8","5","10","1") = "9"
    & skf18("6","3","10","8","6","1","1") = "9"
    & skf18("6","3","10","8","6","2","1") = "9"
    & skf18("6","3","10","8","6","3","1") = "9"
    & skf18("6","3","10","8","6","4","1") = "9"
    & skf18("6","3","10","8","6","5","1") = "9"
    & skf18("6","3","10","8","6","6","1") = "9"
    & skf18("6","3","10","8","6","7","1") = "9"
    & skf18("6","3","10","8","6","8","1") = "9"
    & skf18("6","3","10","8","6","9","1") = "9"
    & skf18("6","3","10","8","6","10","1") = "9"
    & skf18("6","3","10","8","7","1","1") = "9"
    & skf18("6","3","10","8","7","2","1") = "9"
    & skf18("6","3","10","8","7","3","1") = "9"
    & skf18("6","3","10","8","7","4","1") = "9"
    & skf18("6","3","10","8","7","5","1") = "9"
    & skf18("6","3","10","8","7","6","1") = "9"
    & skf18("6","3","10","8","7","7","1") = "9"
    & skf18("6","3","10","8","7","8","1") = "9"
    & skf18("6","3","10","8","7","9","1") = "9"
    & skf18("6","3","10","8","7","10","1") = "9"
    & skf18("6","3","10","8","8","1","1") = "9"
    & skf18("6","3","10","8","8","2","1") = "9"
    & skf18("6","3","10","8","8","3","1") = "9"
    & skf18("6","3","10","8","8","4","1") = "9"
    & skf18("6","3","10","8","8","5","1") = "9"
    & skf18("6","3","10","8","8","6","1") = "9"
    & skf18("6","3","10","8","8","7","1") = "9"
    & skf18("6","3","10","8","8","8","1") = "9"
    & skf18("6","3","10","8","8","9","1") = "9"
    & skf18("6","3","10","8","8","10","1") = "9"
    & skf18("6","3","10","8","9","1","1") = "9"
    & skf18("6","3","10","8","9","2","1") = "9"
    & skf18("6","3","10","8","9","3","1") = "9"
    & skf18("6","3","10","8","9","4","1") = "9"
    & skf18("6","3","10","8","9","5","1") = "9"
    & skf18("6","3","10","8","9","6","1") = "9"
    & skf18("6","3","10","8","9","7","1") = "9"
    & skf18("6","3","10","8","9","8","1") = "9"
    & skf18("6","3","10","8","9","9","1") = "9"
    & skf18("6","3","10","8","9","10","1") = "9"
    & skf18("6","3","10","8","10","1","1") = "9"
    & skf18("6","3","10","8","10","2","1") = "9"
    & skf18("6","3","10","8","10","3","1") = "9"
    & skf18("6","3","10","8","10","4","1") = "9"
    & skf18("6","3","10","8","10","5","1") = "9"
    & skf18("6","3","10","8","10","6","1") = "9"
    & skf18("6","3","10","8","10","7","1") = "9"
    & skf18("6","3","10","8","10","8","1") = "9"
    & skf18("6","3","10","8","10","9","1") = "9"
    & skf18("6","3","10","8","10","10","1") = "9"
    & skf18("6","3","10","9","1","1","1") = "9"
    & skf18("6","3","10","9","1","2","1") = "9"
    & skf18("6","3","10","9","1","3","1") = "9"
    & skf18("6","3","10","9","1","4","1") = "9"
    & skf18("6","3","10","9","1","5","1") = "9"
    & skf18("6","3","10","9","1","6","1") = "9"
    & skf18("6","3","10","9","1","7","1") = "9"
    & skf18("6","3","10","9","1","8","1") = "9"
    & skf18("6","3","10","9","1","9","1") = "9"
    & skf18("6","3","10","9","1","10","1") = "9"
    & skf18("6","3","10","9","2","1","1") = "9"
    & skf18("6","3","10","9","2","2","1") = "9"
    & skf18("6","3","10","9","2","3","1") = "9"
    & skf18("6","3","10","9","2","4","1") = "9"
    & skf18("6","3","10","9","2","5","1") = "9"
    & skf18("6","3","10","9","2","6","1") = "9"
    & skf18("6","3","10","9","2","7","1") = "9"
    & skf18("6","3","10","9","2","8","1") = "9"
    & skf18("6","3","10","9","2","9","1") = "9"
    & skf18("6","3","10","9","2","10","1") = "9"
    & skf18("6","3","10","9","3","1","1") = "9"
    & skf18("6","3","10","9","3","2","1") = "9"
    & skf18("6","3","10","9","3","3","1") = "9"
    & skf18("6","3","10","9","3","4","1") = "9"
    & skf18("6","3","10","9","3","5","1") = "9"
    & skf18("6","3","10","9","3","6","1") = "9"
    & skf18("6","3","10","9","3","7","1") = "9"
    & skf18("6","3","10","9","3","8","1") = "9"
    & skf18("6","3","10","9","3","9","1") = "9"
    & skf18("6","3","10","9","3","10","1") = "9"
    & skf18("6","3","10","9","4","1","1") = "9"
    & skf18("6","3","10","9","4","2","1") = "9"
    & skf18("6","3","10","9","4","3","1") = "9"
    & skf18("6","3","10","9","4","4","1") = "9"
    & skf18("6","3","10","9","4","5","1") = "9"
    & skf18("6","3","10","9","4","6","1") = "9"
    & skf18("6","3","10","9","4","7","1") = "9"
    & skf18("6","3","10","9","4","8","1") = "9"
    & skf18("6","3","10","9","4","9","1") = "9"
    & skf18("6","3","10","9","4","10","1") = "9"
    & skf18("6","3","10","9","5","1","1") = "9"
    & skf18("6","3","10","9","5","2","1") = "9"
    & skf18("6","3","10","9","5","3","1") = "9"
    & skf18("6","3","10","9","5","4","1") = "9"
    & skf18("6","3","10","9","5","5","1") = "9"
    & skf18("6","3","10","9","5","6","1") = "9"
    & skf18("6","3","10","9","5","7","1") = "9"
    & skf18("6","3","10","9","5","8","1") = "9"
    & skf18("6","3","10","9","5","9","1") = "9"
    & skf18("6","3","10","9","5","10","1") = "9"
    & skf18("6","3","10","9","6","1","1") = "9"
    & skf18("6","3","10","9","6","2","1") = "9"
    & skf18("6","3","10","9","6","3","1") = "9"
    & skf18("6","3","10","9","6","4","1") = "9"
    & skf18("6","3","10","9","6","5","1") = "9"
    & skf18("6","3","10","9","6","6","1") = "9"
    & skf18("6","3","10","9","6","7","1") = "9"
    & skf18("6","3","10","9","6","8","1") = "9"
    & skf18("6","3","10","9","6","9","1") = "9"
    & skf18("6","3","10","9","6","10","1") = "9"
    & skf18("6","3","10","9","7","1","1") = "9"
    & skf18("6","3","10","9","7","2","1") = "9"
    & skf18("6","3","10","9","7","3","1") = "9"
    & skf18("6","3","10","9","7","4","1") = "9"
    & skf18("6","3","10","9","7","5","1") = "9"
    & skf18("6","3","10","9","7","6","1") = "9"
    & skf18("6","3","10","9","7","7","1") = "9"
    & skf18("6","3","10","9","7","8","1") = "9"
    & skf18("6","3","10","9","7","9","1") = "9"
    & skf18("6","3","10","9","7","10","1") = "9"
    & skf18("6","3","10","9","8","1","1") = "9"
    & skf18("6","3","10","9","8","2","1") = "9"
    & skf18("6","3","10","9","8","3","1") = "9"
    & skf18("6","3","10","9","8","4","1") = "9"
    & skf18("6","3","10","9","8","5","1") = "9"
    & skf18("6","3","10","9","8","6","1") = "9"
    & skf18("6","3","10","9","8","7","1") = "9"
    & skf18("6","3","10","9","8","8","1") = "9"
    & skf18("6","3","10","9","8","9","1") = "9"
    & skf18("6","3","10","9","8","10","1") = "9"
    & skf18("6","3","10","9","9","1","1") = "9"
    & skf18("6","3","10","9","9","2","1") = "9"
    & skf18("6","3","10","9","9","3","1") = "9"
    & skf18("6","3","10","9","9","4","1") = "9"
    & skf18("6","3","10","9","9","5","1") = "9"
    & skf18("6","3","10","9","9","6","1") = "9"
    & skf18("6","3","10","9","9","7","1") = "9"
    & skf18("6","3","10","9","9","8","1") = "9"
    & skf18("6","3","10","9","9","9","1") = "9"
    & skf18("6","3","10","9","9","10","1") = "9"
    & skf18("6","3","10","9","10","1","1") = "9"
    & skf18("6","3","10","9","10","2","1") = "9"
    & skf18("6","3","10","9","10","3","1") = "9"
    & skf18("6","3","10","9","10","4","1") = "9"
    & skf18("6","3","10","9","10","5","1") = "9"
    & skf18("6","3","10","9","10","6","1") = "9"
    & skf18("6","3","10","9","10","7","1") = "9"
    & skf18("6","3","10","9","10","8","1") = "9"
    & skf18("6","3","10","9","10","9","1") = "9"
    & skf18("6","3","10","9","10","10","1") = "9"
    & skf18("6","3","10","10","1","1","1") = "9"
    & skf18("6","3","10","10","1","2","1") = "9"
    & skf18("6","3","10","10","1","3","1") = "9"
    & skf18("6","3","10","10","1","4","1") = "9"
    & skf18("6","3","10","10","1","5","1") = "9"
    & skf18("6","3","10","10","1","6","1") = "9"
    & skf18("6","3","10","10","1","7","1") = "9"
    & skf18("6","3","10","10","1","8","1") = "9"
    & skf18("6","3","10","10","1","9","1") = "9"
    & skf18("6","3","10","10","1","10","1") = "9"
    & skf18("6","3","10","10","2","1","1") = "9"
    & skf18("6","3","10","10","2","2","1") = "9"
    & skf18("6","3","10","10","2","3","1") = "9"
    & skf18("6","3","10","10","2","4","1") = "9"
    & skf18("6","3","10","10","2","5","1") = "9"
    & skf18("6","3","10","10","2","6","1") = "9"
    & skf18("6","3","10","10","2","7","1") = "9"
    & skf18("6","3","10","10","2","8","1") = "9"
    & skf18("6","3","10","10","2","9","1") = "9"
    & skf18("6","3","10","10","2","10","1") = "9"
    & skf18("6","3","10","10","3","1","1") = "9"
    & skf18("6","3","10","10","3","2","1") = "9"
    & skf18("6","3","10","10","3","3","1") = "9"
    & skf18("6","3","10","10","3","4","1") = "9"
    & skf18("6","3","10","10","3","5","1") = "9"
    & skf18("6","3","10","10","3","6","1") = "9"
    & skf18("6","3","10","10","3","7","1") = "9"
    & skf18("6","3","10","10","3","8","1") = "9"
    & skf18("6","3","10","10","3","9","1") = "9"
    & skf18("6","3","10","10","3","10","1") = "9"
    & skf18("6","3","10","10","4","1","1") = "9"
    & skf18("6","3","10","10","4","2","1") = "9"
    & skf18("6","3","10","10","4","3","1") = "9"
    & skf18("6","3","10","10","4","4","1") = "9"
    & skf18("6","3","10","10","4","5","1") = "9"
    & skf18("6","3","10","10","4","6","1") = "9"
    & skf18("6","3","10","10","4","7","1") = "9"
    & skf18("6","3","10","10","4","8","1") = "9"
    & skf18("6","3","10","10","4","9","1") = "9"
    & skf18("6","3","10","10","4","10","1") = "9"
    & skf18("6","3","10","10","5","1","1") = "9"
    & skf18("6","3","10","10","5","2","1") = "9"
    & skf18("6","3","10","10","5","3","1") = "9"
    & skf18("6","3","10","10","5","4","1") = "9"
    & skf18("6","3","10","10","5","5","1") = "9"
    & skf18("6","3","10","10","5","6","1") = "9"
    & skf18("6","3","10","10","5","7","1") = "9"
    & skf18("6","3","10","10","5","8","1") = "9"
    & skf18("6","3","10","10","5","9","1") = "9"
    & skf18("6","3","10","10","5","10","1") = "9"
    & skf18("6","3","10","10","6","1","1") = "9"
    & skf18("6","3","10","10","6","2","1") = "9"
    & skf18("6","3","10","10","6","3","1") = "9"
    & skf18("6","3","10","10","6","4","1") = "9"
    & skf18("6","3","10","10","6","5","1") = "9"
    & skf18("6","3","10","10","6","6","1") = "9"
    & skf18("6","3","10","10","6","7","1") = "9"
    & skf18("6","3","10","10","6","8","1") = "9"
    & skf18("6","3","10","10","6","9","1") = "9"
    & skf18("6","3","10","10","6","10","1") = "9"
    & skf18("6","3","10","10","7","1","1") = "9"
    & skf18("6","3","10","10","7","2","1") = "9"
    & skf18("6","3","10","10","7","3","1") = "9"
    & skf18("6","3","10","10","7","4","1") = "9"
    & skf18("6","3","10","10","7","5","1") = "9"
    & skf18("6","3","10","10","7","6","1") = "9"
    & skf18("6","3","10","10","7","7","1") = "9"
    & skf18("6","3","10","10","7","8","1") = "9"
    & skf18("6","3","10","10","7","9","1") = "9"
    & skf18("6","3","10","10","7","10","1") = "9"
    & skf18("6","3","10","10","8","1","1") = "9"
    & skf18("6","3","10","10","8","2","1") = "9"
    & skf18("6","3","10","10","8","3","1") = "9"
    & skf18("6","3","10","10","8","4","1") = "9"
    & skf18("6","3","10","10","8","5","1") = "9"
    & skf18("6","3","10","10","8","6","1") = "9"
    & skf18("6","3","10","10","8","7","1") = "9"
    & skf18("6","3","10","10","8","8","1") = "9"
    & skf18("6","3","10","10","8","9","1") = "9"
    & skf18("6","3","10","10","8","10","1") = "9"
    & skf18("6","3","10","10","9","1","1") = "9"
    & skf18("6","3","10","10","9","2","1") = "9"
    & skf18("6","3","10","10","9","3","1") = "9"
    & skf18("6","3","10","10","9","4","1") = "9"
    & skf18("6","3","10","10","9","5","1") = "9"
    & skf18("6","3","10","10","9","6","1") = "9"
    & skf18("6","3","10","10","9","7","1") = "9"
    & skf18("6","3","10","10","9","8","1") = "9"
    & skf18("6","3","10","10","9","9","1") = "9"
    & skf18("6","3","10","10","9","10","1") = "9"
    & skf18("6","3","10","10","10","1","1") = "9"
    & skf18("6","3","10","10","10","2","1") = "9"
    & skf18("6","3","10","10","10","3","1") = "9"
    & skf18("6","3","10","10","10","4","1") = "9"
    & skf18("6","3","10","10","10","5","1") = "9"
    & skf18("6","3","10","10","10","6","1") = "9"
    & skf18("6","3","10","10","10","7","1") = "9"
    & skf18("6","3","10","10","10","8","1") = "9"
    & skf18("6","3","10","10","10","9","1") = "9"
    & skf18("6","3","10","10","10","10","1") = "9"
    & skf18("6","4","1","1","1","1","1") = "5"
    & skf18("6","4","1","1","1","2","1") = "5"
    & skf18("6","4","1","1","1","3","1") = "5"
    & skf18("6","4","1","1","1","4","1") = "5"
    & skf18("6","4","1","1","1","5","1") = "5"
    & skf18("6","4","1","1","1","6","1") = "5"
    & skf18("6","4","1","1","1","7","1") = "6"
    & skf18("6","4","1","1","1","8","1") = "7"
    & skf18("6","4","1","1","1","9","1") = "8"
    & skf18("6","4","1","1","1","10","1") = "9"
    & skf18("6","4","1","1","2","1","1") = "5"
    & skf18("6","4","1","1","2","2","1") = "5"
    & skf18("6","4","1","1","2","3","1") = "5"
    & skf18("6","4","1","1","2","4","1") = "5"
    & skf18("6","4","1","1","2","5","1") = "5"
    & skf18("6","4","1","1","2","6","1") = "5"
    & skf18("6","4","1","1","2","7","1") = "6"
    & skf18("6","4","1","1","2","8","1") = "7"
    & skf18("6","4","1","1","2","9","1") = "8"
    & skf18("6","4","1","1","2","10","1") = "9"
    & skf18("6","4","1","1","3","1","1") = "5"
    & skf18("6","4","1","1","3","2","1") = "5"
    & skf18("6","4","1","1","3","3","1") = "5"
    & skf18("6","4","1","1","3","4","1") = "5"
    & skf18("6","4","1","1","3","5","1") = "5"
    & skf18("6","4","1","1","3","6","1") = "5"
    & skf18("6","4","1","1","3","7","1") = "6"
    & skf18("6","4","1","1","3","8","1") = "7"
    & skf18("6","4","1","1","3","9","1") = "8"
    & skf18("6","4","1","1","3","10","1") = "9"
    & skf18("6","4","1","1","4","1","1") = "5"
    & skf18("6","4","1","1","4","2","1") = "5"
    & skf18("6","4","1","1","4","3","1") = "5"
    & skf18("6","4","1","1","4","4","1") = "5"
    & skf18("6","4","1","1","4","5","1") = "5"
    & skf18("6","4","1","1","4","6","1") = "5"
    & skf18("6","4","1","1","4","7","1") = "6"
    & skf18("6","4","1","1","4","8","1") = "7"
    & skf18("6","4","1","1","4","9","1") = "8"
    & skf18("6","4","1","1","4","10","1") = "9"
    & skf18("6","4","1","1","5","1","1") = "5"
    & skf18("6","4","1","1","5","2","1") = "5"
    & skf18("6","4","1","1","5","3","1") = "5"
    & skf18("6","4","1","1","5","4","1") = "5"
    & skf18("6","4","1","1","5","5","1") = "5"
    & skf18("6","4","1","1","5","6","1") = "5"
    & skf18("6","4","1","1","5","7","1") = "6"
    & skf18("6","4","1","1","5","8","1") = "7"
    & skf18("6","4","1","1","5","9","1") = "8"
    & skf18("6","4","1","1","5","10","1") = "9"
    & skf18("6","4","1","1","6","1","1") = "5"
    & skf18("6","4","1","1","6","2","1") = "5"
    & skf18("6","4","1","1","6","3","1") = "5"
    & skf18("6","4","1","1","6","4","1") = "5"
    & skf18("6","4","1","1","6","5","1") = "5"
    & skf18("6","4","1","1","6","6","1") = "5"
    & skf18("6","4","1","1","6","7","1") = "6"
    & skf18("6","4","1","1","6","8","1") = "7"
    & skf18("6","4","1","1","6","9","1") = "8"
    & skf18("6","4","1","1","6","10","1") = "9"
    & skf18("6","4","1","1","7","1","1") = "6"
    & skf18("6","4","1","1","7","2","1") = "6"
    & skf18("6","4","1","1","7","3","1") = "6"
    & skf18("6","4","1","1","7","4","1") = "6"
    & skf18("6","4","1","1","7","5","1") = "6"
    & skf18("6","4","1","1","7","6","1") = "6"
    & skf18("6","4","1","1","7","7","1") = "6"
    & skf18("6","4","1","1","7","8","1") = "7"
    & skf18("6","4","1","1","7","9","1") = "8"
    & skf18("6","4","1","1","7","10","1") = "9"
    & skf18("6","4","1","1","8","1","1") = "7"
    & skf18("6","4","1","1","8","2","1") = "7"
    & skf18("6","4","1","1","8","3","1") = "7"
    & skf18("6","4","1","1","8","4","1") = "7"
    & skf18("6","4","1","1","8","5","1") = "7"
    & skf18("6","4","1","1","8","6","1") = "7"
    & skf18("6","4","1","1","8","7","1") = "7"
    & skf18("6","4","1","1","8","8","1") = "7"
    & skf18("6","4","1","1","8","9","1") = "8"
    & skf18("6","4","1","1","8","10","1") = "9"
    & skf18("6","4","1","1","9","1","1") = "8"
    & skf18("6","4","1","1","9","2","1") = "8"
    & skf18("6","4","1","1","9","3","1") = "8"
    & skf18("6","4","1","1","9","4","1") = "8"
    & skf18("6","4","1","1","9","5","1") = "8"
    & skf18("6","4","1","1","9","6","1") = "8"
    & skf18("6","4","1","1","9","7","1") = "8"
    & skf18("6","4","1","1","9","8","1") = "8"
    & skf18("6","4","1","1","9","9","1") = "8"
    & skf18("6","4","1","1","9","10","1") = "9"
    & skf18("6","4","1","1","10","1","1") = "9"
    & skf18("6","4","1","1","10","2","1") = "9"
    & skf18("6","4","1","1","10","3","1") = "9"
    & skf18("6","4","1","1","10","4","1") = "9"
    & skf18("6","4","1","1","10","5","1") = "9"
    & skf18("6","4","1","1","10","6","1") = "9"
    & skf18("6","4","1","1","10","7","1") = "9"
    & skf18("6","4","1","1","10","8","1") = "9"
    & skf18("6","4","1","1","10","9","1") = "9"
    & skf18("6","4","1","1","10","10","1") = "9"
    & skf18("6","4","1","2","1","1","1") = "5"
    & skf18("6","4","1","2","1","2","1") = "5"
    & skf18("6","4","1","2","1","3","1") = "5"
    & skf18("6","4","1","2","1","4","1") = "5"
    & skf18("6","4","1","2","1","5","1") = "5"
    & skf18("6","4","1","2","1","6","1") = "5"
    & skf18("6","4","1","2","1","7","1") = "6"
    & skf18("6","4","1","2","1","8","1") = "7"
    & skf18("6","4","1","2","1","9","1") = "8"
    & skf18("6","4","1","2","1","10","1") = "9"
    & skf18("6","4","1","2","2","1","1") = "5"
    & skf18("6","4","1","2","2","2","1") = "5"
    & skf18("6","4","1","2","2","3","1") = "5"
    & skf18("6","4","1","2","2","4","1") = "5"
    & skf18("6","4","1","2","2","5","1") = "5"
    & skf18("6","4","1","2","2","6","1") = "5"
    & skf18("6","4","1","2","2","7","1") = "6"
    & skf18("6","4","1","2","2","8","1") = "7"
    & skf18("6","4","1","2","2","9","1") = "8"
    & skf18("6","4","1","2","2","10","1") = "9"
    & skf18("6","4","1","2","3","1","1") = "5"
    & skf18("6","4","1","2","3","2","1") = "5"
    & skf18("6","4","1","2","3","3","1") = "5"
    & skf18("6","4","1","2","3","4","1") = "5"
    & skf18("6","4","1","2","3","5","1") = "5"
    & skf18("6","4","1","2","3","6","1") = "5"
    & skf18("6","4","1","2","3","7","1") = "6"
    & skf18("6","4","1","2","3","8","1") = "7"
    & skf18("6","4","1","2","3","9","1") = "8"
    & skf18("6","4","1","2","3","10","1") = "9"
    & skf18("6","4","1","2","4","1","1") = "5"
    & skf18("6","4","1","2","4","2","1") = "5"
    & skf18("6","4","1","2","4","3","1") = "5"
    & skf18("6","4","1","2","4","4","1") = "5"
    & skf18("6","4","1","2","4","5","1") = "5"
    & skf18("6","4","1","2","4","6","1") = "5"
    & skf18("6","4","1","2","4","7","1") = "6"
    & skf18("6","4","1","2","4","8","1") = "7"
    & skf18("6","4","1","2","4","9","1") = "8"
    & skf18("6","4","1","2","4","10","1") = "9"
    & skf18("6","4","1","2","5","1","1") = "5"
    & skf18("6","4","1","2","5","2","1") = "5"
    & skf18("6","4","1","2","5","3","1") = "5"
    & skf18("6","4","1","2","5","4","1") = "5"
    & skf18("6","4","1","2","5","5","1") = "5"
    & skf18("6","4","1","2","5","6","1") = "5"
    & skf18("6","4","1","2","5","7","1") = "6"
    & skf18("6","4","1","2","5","8","1") = "7"
    & skf18("6","4","1","2","5","9","1") = "8"
    & skf18("6","4","1","2","5","10","1") = "9"
    & skf18("6","4","1","2","6","1","1") = "5"
    & skf18("6","4","1","2","6","2","1") = "5"
    & skf18("6","4","1","2","6","3","1") = "5"
    & skf18("6","4","1","2","6","4","1") = "5"
    & skf18("6","4","1","2","6","5","1") = "5"
    & skf18("6","4","1","2","6","6","1") = "5"
    & skf18("6","4","1","2","6","7","1") = "6"
    & skf18("6","4","1","2","6","8","1") = "7"
    & skf18("6","4","1","2","6","9","1") = "8"
    & skf18("6","4","1","2","6","10","1") = "9"
    & skf18("6","4","1","2","7","1","1") = "6"
    & skf18("6","4","1","2","7","2","1") = "6"
    & skf18("6","4","1","2","7","3","1") = "6"
    & skf18("6","4","1","2","7","4","1") = "6"
    & skf18("6","4","1","2","7","5","1") = "6"
    & skf18("6","4","1","2","7","6","1") = "6"
    & skf18("6","4","1","2","7","7","1") = "6"
    & skf18("6","4","1","2","7","8","1") = "7"
    & skf18("6","4","1","2","7","9","1") = "8"
    & skf18("6","4","1","2","7","10","1") = "9"
    & skf18("6","4","1","2","8","1","1") = "7"
    & skf18("6","4","1","2","8","2","1") = "7"
    & skf18("6","4","1","2","8","3","1") = "7"
    & skf18("6","4","1","2","8","4","1") = "7"
    & skf18("6","4","1","2","8","5","1") = "7"
    & skf18("6","4","1","2","8","6","1") = "7"
    & skf18("6","4","1","2","8","7","1") = "7"
    & skf18("6","4","1","2","8","8","1") = "7"
    & skf18("6","4","1","2","8","9","1") = "8"
    & skf18("6","4","1","2","8","10","1") = "9"
    & skf18("6","4","1","2","9","1","1") = "8"
    & skf18("6","4","1","2","9","2","1") = "8"
    & skf18("6","4","1","2","9","3","1") = "8"
    & skf18("6","4","1","2","9","4","1") = "8"
    & skf18("6","4","1","2","9","5","1") = "8"
    & skf18("6","4","1","2","9","6","1") = "8"
    & skf18("6","4","1","2","9","7","1") = "8"
    & skf18("6","4","1","2","9","8","1") = "8"
    & skf18("6","4","1","2","9","9","1") = "8"
    & skf18("6","4","1","2","9","10","1") = "9"
    & skf18("6","4","1","2","10","1","1") = "9"
    & skf18("6","4","1","2","10","2","1") = "9"
    & skf18("6","4","1","2","10","3","1") = "9"
    & skf18("6","4","1","2","10","4","1") = "9"
    & skf18("6","4","1","2","10","5","1") = "9"
    & skf18("6","4","1","2","10","6","1") = "9"
    & skf18("6","4","1","2","10","7","1") = "9"
    & skf18("6","4","1","2","10","8","1") = "9"
    & skf18("6","4","1","2","10","9","1") = "9"
    & skf18("6","4","1","2","10","10","1") = "9"
    & skf18("6","4","1","3","1","1","1") = "5"
    & skf18("6","4","1","3","1","2","1") = "5"
    & skf18("6","4","1","3","1","3","1") = "5"
    & skf18("6","4","1","3","1","4","1") = "5"
    & skf18("6","4","1","3","1","5","1") = "5"
    & skf18("6","4","1","3","1","6","1") = "5"
    & skf18("6","4","1","3","1","7","1") = "6"
    & skf18("6","4","1","3","1","8","1") = "7"
    & skf18("6","4","1","3","1","9","1") = "8"
    & skf18("6","4","1","3","1","10","1") = "9"
    & skf18("6","4","1","3","2","1","1") = "5"
    & skf18("6","4","1","3","2","2","1") = "5"
    & skf18("6","4","1","3","2","3","1") = "5"
    & skf18("6","4","1","3","2","4","1") = "5"
    & skf18("6","4","1","3","2","5","1") = "5"
    & skf18("6","4","1","3","2","6","1") = "5"
    & skf18("6","4","1","3","2","7","1") = "6"
    & skf18("6","4","1","3","2","8","1") = "7"
    & skf18("6","4","1","3","2","9","1") = "8"
    & skf18("6","4","1","3","2","10","1") = "9"
    & skf18("6","4","1","3","3","1","1") = "5"
    & skf18("6","4","1","3","3","2","1") = "5"
    & skf18("6","4","1","3","3","3","1") = "5"
    & skf18("6","4","1","3","3","4","1") = "5"
    & skf18("6","4","1","3","3","5","1") = "5"
    & skf18("6","4","1","3","3","6","1") = "5"
    & skf18("6","4","1","3","3","7","1") = "6"
    & skf18("6","4","1","3","3","8","1") = "7"
    & skf18("6","4","1","3","3","9","1") = "8"
    & skf18("6","4","1","3","3","10","1") = "9"
    & skf18("6","4","1","3","4","1","1") = "5"
    & skf18("6","4","1","3","4","2","1") = "5"
    & skf18("6","4","1","3","4","3","1") = "5"
    & skf18("6","4","1","3","4","4","1") = "5"
    & skf18("6","4","1","3","4","5","1") = "5"
    & skf18("6","4","1","3","4","6","1") = "5"
    & skf18("6","4","1","3","4","7","1") = "6"
    & skf18("6","4","1","3","4","8","1") = "7"
    & skf18("6","4","1","3","4","9","1") = "8"
    & skf18("6","4","1","3","4","10","1") = "9"
    & skf18("6","4","1","3","5","1","1") = "5"
    & skf18("6","4","1","3","5","2","1") = "5"
    & skf18("6","4","1","3","5","3","1") = "5"
    & skf18("6","4","1","3","5","4","1") = "5"
    & skf18("6","4","1","3","5","5","1") = "5"
    & skf18("6","4","1","3","5","6","1") = "5"
    & skf18("6","4","1","3","5","7","1") = "6"
    & skf18("6","4","1","3","5","8","1") = "7"
    & skf18("6","4","1","3","5","9","1") = "8"
    & skf18("6","4","1","3","5","10","1") = "9"
    & skf18("6","4","1","3","6","1","1") = "5"
    & skf18("6","4","1","3","6","2","1") = "5"
    & skf18("6","4","1","3","6","3","1") = "5"
    & skf18("6","4","1","3","6","4","1") = "5"
    & skf18("6","4","1","3","6","5","1") = "5"
    & skf18("6","4","1","3","6","6","1") = "5"
    & skf18("6","4","1","3","6","7","1") = "6"
    & skf18("6","4","1","3","6","8","1") = "7"
    & skf18("6","4","1","3","6","9","1") = "8"
    & skf18("6","4","1","3","6","10","1") = "9"
    & skf18("6","4","1","3","7","1","1") = "6"
    & skf18("6","4","1","3","7","2","1") = "6"
    & skf18("6","4","1","3","7","3","1") = "6"
    & skf18("6","4","1","3","7","4","1") = "6"
    & skf18("6","4","1","3","7","5","1") = "6"
    & skf18("6","4","1","3","7","6","1") = "6"
    & skf18("6","4","1","3","7","7","1") = "6"
    & skf18("6","4","1","3","7","8","1") = "7"
    & skf18("6","4","1","3","7","9","1") = "8"
    & skf18("6","4","1","3","7","10","1") = "9"
    & skf18("6","4","1","3","8","1","1") = "7"
    & skf18("6","4","1","3","8","2","1") = "7"
    & skf18("6","4","1","3","8","3","1") = "7"
    & skf18("6","4","1","3","8","4","1") = "7"
    & skf18("6","4","1","3","8","5","1") = "7"
    & skf18("6","4","1","3","8","6","1") = "7"
    & skf18("6","4","1","3","8","7","1") = "7"
    & skf18("6","4","1","3","8","8","1") = "7"
    & skf18("6","4","1","3","8","9","1") = "8"
    & skf18("6","4","1","3","8","10","1") = "9"
    & skf18("6","4","1","3","9","1","1") = "8"
    & skf18("6","4","1","3","9","2","1") = "8"
    & skf18("6","4","1","3","9","3","1") = "8"
    & skf18("6","4","1","3","9","4","1") = "8"
    & skf18("6","4","1","3","9","5","1") = "8"
    & skf18("6","4","1","3","9","6","1") = "8"
    & skf18("6","4","1","3","9","7","1") = "8"
    & skf18("6","4","1","3","9","8","1") = "8"
    & skf18("6","4","1","3","9","9","1") = "8"
    & skf18("6","4","1","3","9","10","1") = "9"
    & skf18("6","4","1","3","10","1","1") = "9"
    & skf18("6","4","1","3","10","2","1") = "9"
    & skf18("6","4","1","3","10","3","1") = "9"
    & skf18("6","4","1","3","10","4","1") = "9"
    & skf18("6","4","1","3","10","5","1") = "9"
    & skf18("6","4","1","3","10","6","1") = "9"
    & skf18("6","4","1","3","10","7","1") = "9"
    & skf18("6","4","1","3","10","8","1") = "9"
    & skf18("6","4","1","3","10","9","1") = "9"
    & skf18("6","4","1","3","10","10","1") = "9"
    & skf18("6","4","1","4","1","1","1") = "5"
    & skf18("6","4","1","4","1","2","1") = "5"
    & skf18("6","4","1","4","1","3","1") = "5"
    & skf18("6","4","1","4","1","4","1") = "5"
    & skf18("6","4","1","4","1","5","1") = "5"
    & skf18("6","4","1","4","1","6","1") = "5"
    & skf18("6","4","1","4","1","7","1") = "6"
    & skf18("6","4","1","4","1","8","1") = "7"
    & skf18("6","4","1","4","1","9","1") = "8"
    & skf18("6","4","1","4","1","10","1") = "9"
    & skf18("6","4","1","4","2","1","1") = "5"
    & skf18("6","4","1","4","2","2","1") = "5"
    & skf18("6","4","1","4","2","3","1") = "5"
    & skf18("6","4","1","4","2","4","1") = "5"
    & skf18("6","4","1","4","2","5","1") = "5"
    & skf18("6","4","1","4","2","6","1") = "5"
    & skf18("6","4","1","4","2","7","1") = "6"
    & skf18("6","4","1","4","2","8","1") = "7"
    & skf18("6","4","1","4","2","9","1") = "8"
    & skf18("6","4","1","4","2","10","1") = "9"
    & skf18("6","4","1","4","3","1","1") = "5"
    & skf18("6","4","1","4","3","2","1") = "5"
    & skf18("6","4","1","4","3","3","1") = "5"
    & skf18("6","4","1","4","3","4","1") = "5"
    & skf18("6","4","1","4","3","5","1") = "5"
    & skf18("6","4","1","4","3","6","1") = "5"
    & skf18("6","4","1","4","3","7","1") = "6"
    & skf18("6","4","1","4","3","8","1") = "7"
    & skf18("6","4","1","4","3","9","1") = "8"
    & skf18("6","4","1","4","3","10","1") = "9"
    & skf18("6","4","1","4","4","1","1") = "5"
    & skf18("6","4","1","4","4","2","1") = "5"
    & skf18("6","4","1","4","4","3","1") = "5"
    & skf18("6","4","1","4","4","4","1") = "5"
    & skf18("6","4","1","4","4","5","1") = "5"
    & skf18("6","4","1","4","4","6","1") = "5"
    & skf18("6","4","1","4","4","7","1") = "6"
    & skf18("6","4","1","4","4","8","1") = "7"
    & skf18("6","4","1","4","4","9","1") = "8"
    & skf18("6","4","1","4","4","10","1") = "9"
    & skf18("6","4","1","4","5","1","1") = "5"
    & skf18("6","4","1","4","5","2","1") = "5"
    & skf18("6","4","1","4","5","3","1") = "5"
    & skf18("6","4","1","4","5","4","1") = "5"
    & skf18("6","4","1","4","5","5","1") = "5"
    & skf18("6","4","1","4","5","6","1") = "5"
    & skf18("6","4","1","4","5","7","1") = "6"
    & skf18("6","4","1","4","5","8","1") = "7"
    & skf18("6","4","1","4","5","9","1") = "8"
    & skf18("6","4","1","4","5","10","1") = "9"
    & skf18("6","4","1","4","6","1","1") = "5"
    & skf18("6","4","1","4","6","2","1") = "5"
    & skf18("6","4","1","4","6","3","1") = "5"
    & skf18("6","4","1","4","6","4","1") = "5"
    & skf18("6","4","1","4","6","5","1") = "5"
    & skf18("6","4","1","4","6","6","1") = "5"
    & skf18("6","4","1","4","6","7","1") = "6"
    & skf18("6","4","1","4","6","8","1") = "7"
    & skf18("6","4","1","4","6","9","1") = "8"
    & skf18("6","4","1","4","6","10","1") = "9"
    & skf18("6","4","1","4","7","1","1") = "6"
    & skf18("6","4","1","4","7","2","1") = "6"
    & skf18("6","4","1","4","7","3","1") = "6"
    & skf18("6","4","1","4","7","4","1") = "6"
    & skf18("6","4","1","4","7","5","1") = "6"
    & skf18("6","4","1","4","7","6","1") = "6"
    & skf18("6","4","1","4","7","7","1") = "6"
    & skf18("6","4","1","4","7","8","1") = "7"
    & skf18("6","4","1","4","7","9","1") = "8"
    & skf18("6","4","1","4","7","10","1") = "9"
    & skf18("6","4","1","4","8","1","1") = "7"
    & skf18("6","4","1","4","8","2","1") = "7"
    & skf18("6","4","1","4","8","3","1") = "7"
    & skf18("6","4","1","4","8","4","1") = "7"
    & skf18("6","4","1","4","8","5","1") = "7"
    & skf18("6","4","1","4","8","6","1") = "7"
    & skf18("6","4","1","4","8","7","1") = "7"
    & skf18("6","4","1","4","8","8","1") = "7"
    & skf18("6","4","1","4","8","9","1") = "8"
    & skf18("6","4","1","4","8","10","1") = "9"
    & skf18("6","4","1","4","9","1","1") = "8"
    & skf18("6","4","1","4","9","2","1") = "8"
    & skf18("6","4","1","4","9","3","1") = "8"
    & skf18("6","4","1","4","9","4","1") = "8"
    & skf18("6","4","1","4","9","5","1") = "8"
    & skf18("6","4","1","4","9","6","1") = "8"
    & skf18("6","4","1","4","9","7","1") = "8"
    & skf18("6","4","1","4","9","8","1") = "8"
    & skf18("6","4","1","4","9","9","1") = "8"
    & skf18("6","4","1","4","9","10","1") = "9"
    & skf18("6","4","1","4","10","1","1") = "9"
    & skf18("6","4","1","4","10","2","1") = "9"
    & skf18("6","4","1","4","10","3","1") = "9"
    & skf18("6","4","1","4","10","4","1") = "9"
    & skf18("6","4","1","4","10","5","1") = "9"
    & skf18("6","4","1","4","10","6","1") = "9"
    & skf18("6","4","1","4","10","7","1") = "9"
    & skf18("6","4","1","4","10","8","1") = "9"
    & skf18("6","4","1","4","10","9","1") = "9"
    & skf18("6","4","1","4","10","10","1") = "9"
    & skf18("6","4","1","5","1","1","1") = "5"
    & skf18("6","4","1","5","1","2","1") = "5"
    & skf18("6","4","1","5","1","3","1") = "5"
    & skf18("6","4","1","5","1","4","1") = "5"
    & skf18("6","4","1","5","1","5","1") = "5"
    & skf18("6","4","1","5","1","6","1") = "5"
    & skf18("6","4","1","5","1","7","1") = "6"
    & skf18("6","4","1","5","1","8","1") = "7"
    & skf18("6","4","1","5","1","9","1") = "8"
    & skf18("6","4","1","5","1","10","1") = "9"
    & skf18("6","4","1","5","2","1","1") = "5"
    & skf18("6","4","1","5","2","2","1") = "5"
    & skf18("6","4","1","5","2","3","1") = "5"
    & skf18("6","4","1","5","2","4","1") = "5"
    & skf18("6","4","1","5","2","5","1") = "5"
    & skf18("6","4","1","5","2","6","1") = "5"
    & skf18("6","4","1","5","2","7","1") = "6"
    & skf18("6","4","1","5","2","8","1") = "7"
    & skf18("6","4","1","5","2","9","1") = "8"
    & skf18("6","4","1","5","2","10","1") = "9"
    & skf18("6","4","1","5","3","1","1") = "5"
    & skf18("6","4","1","5","3","2","1") = "5"
    & skf18("6","4","1","5","3","3","1") = "5"
    & skf18("6","4","1","5","3","4","1") = "5"
    & skf18("6","4","1","5","3","5","1") = "5"
    & skf18("6","4","1","5","3","6","1") = "5"
    & skf18("6","4","1","5","3","7","1") = "6"
    & skf18("6","4","1","5","3","8","1") = "7"
    & skf18("6","4","1","5","3","9","1") = "8"
    & skf18("6","4","1","5","3","10","1") = "9"
    & skf18("6","4","1","5","4","1","1") = "5"
    & skf18("6","4","1","5","4","2","1") = "5"
    & skf18("6","4","1","5","4","3","1") = "5"
    & skf18("6","4","1","5","4","4","1") = "5"
    & skf18("6","4","1","5","4","5","1") = "5"
    & skf18("6","4","1","5","4","6","1") = "5"
    & skf18("6","4","1","5","4","7","1") = "6"
    & skf18("6","4","1","5","4","8","1") = "7"
    & skf18("6","4","1","5","4","9","1") = "8"
    & skf18("6","4","1","5","4","10","1") = "9"
    & skf18("6","4","1","5","5","1","1") = "5"
    & skf18("6","4","1","5","5","2","1") = "5"
    & skf18("6","4","1","5","5","3","1") = "5"
    & skf18("6","4","1","5","5","4","1") = "5"
    & skf18("6","4","1","5","5","5","1") = "5"
    & skf18("6","4","1","5","5","6","1") = "5"
    & skf18("6","4","1","5","5","7","1") = "6"
    & skf18("6","4","1","5","5","8","1") = "7"
    & skf18("6","4","1","5","5","9","1") = "8"
    & skf18("6","4","1","5","5","10","1") = "9"
    & skf18("6","4","1","5","6","1","1") = "5"
    & skf18("6","4","1","5","6","2","1") = "5"
    & skf18("6","4","1","5","6","3","1") = "5"
    & skf18("6","4","1","5","6","4","1") = "5"
    & skf18("6","4","1","5","6","5","1") = "5"
    & skf18("6","4","1","5","6","6","1") = "5"
    & skf18("6","4","1","5","6","7","1") = "6"
    & skf18("6","4","1","5","6","8","1") = "7"
    & skf18("6","4","1","5","6","9","1") = "8"
    & skf18("6","4","1","5","6","10","1") = "9"
    & skf18("6","4","1","5","7","1","1") = "6"
    & skf18("6","4","1","5","7","2","1") = "6"
    & skf18("6","4","1","5","7","3","1") = "6"
    & skf18("6","4","1","5","7","4","1") = "6"
    & skf18("6","4","1","5","7","5","1") = "6"
    & skf18("6","4","1","5","7","6","1") = "6"
    & skf18("6","4","1","5","7","7","1") = "6"
    & skf18("6","4","1","5","7","8","1") = "7"
    & skf18("6","4","1","5","7","9","1") = "8"
    & skf18("6","4","1","5","7","10","1") = "9"
    & skf18("6","4","1","5","8","1","1") = "7"
    & skf18("6","4","1","5","8","2","1") = "7"
    & skf18("6","4","1","5","8","3","1") = "7"
    & skf18("6","4","1","5","8","4","1") = "7"
    & skf18("6","4","1","5","8","5","1") = "7"
    & skf18("6","4","1","5","8","6","1") = "7"
    & skf18("6","4","1","5","8","7","1") = "7"
    & skf18("6","4","1","5","8","8","1") = "7"
    & skf18("6","4","1","5","8","9","1") = "8"
    & skf18("6","4","1","5","8","10","1") = "9"
    & skf18("6","4","1","5","9","1","1") = "8"
    & skf18("6","4","1","5","9","2","1") = "8"
    & skf18("6","4","1","5","9","3","1") = "8"
    & skf18("6","4","1","5","9","4","1") = "8"
    & skf18("6","4","1","5","9","5","1") = "8"
    & skf18("6","4","1","5","9","6","1") = "8"
    & skf18("6","4","1","5","9","7","1") = "8"
    & skf18("6","4","1","5","9","8","1") = "8"
    & skf18("6","4","1","5","9","9","1") = "8"
    & skf18("6","4","1","5","9","10","1") = "9"
    & skf18("6","4","1","5","10","1","1") = "9"
    & skf18("6","4","1","5","10","2","1") = "9"
    & skf18("6","4","1","5","10","3","1") = "9"
    & skf18("6","4","1","5","10","4","1") = "9"
    & skf18("6","4","1","5","10","5","1") = "9"
    & skf18("6","4","1","5","10","6","1") = "9"
    & skf18("6","4","1","5","10","7","1") = "9"
    & skf18("6","4","1","5","10","8","1") = "9"
    & skf18("6","4","1","5","10","9","1") = "9"
    & skf18("6","4","1","5","10","10","1") = "9"
    & skf18("6","4","1","6","1","1","1") = "5"
    & skf18("6","4","1","6","1","2","1") = "5"
    & skf18("6","4","1","6","1","3","1") = "5"
    & skf18("6","4","1","6","1","4","1") = "5"
    & skf18("6","4","1","6","1","5","1") = "5"
    & skf18("6","4","1","6","1","6","1") = "5"
    & skf18("6","4","1","6","1","7","1") = "6"
    & skf18("6","4","1","6","1","8","1") = "7"
    & skf18("6","4","1","6","1","9","1") = "8"
    & skf18("6","4","1","6","1","10","1") = "9"
    & skf18("6","4","1","6","2","1","1") = "5"
    & skf18("6","4","1","6","2","2","1") = "5"
    & skf18("6","4","1","6","2","3","1") = "5"
    & skf18("6","4","1","6","2","4","1") = "5"
    & skf18("6","4","1","6","2","5","1") = "5"
    & skf18("6","4","1","6","2","6","1") = "5"
    & skf18("6","4","1","6","2","7","1") = "6"
    & skf18("6","4","1","6","2","8","1") = "7"
    & skf18("6","4","1","6","2","9","1") = "8"
    & skf18("6","4","1","6","2","10","1") = "9"
    & skf18("6","4","1","6","3","1","1") = "5"
    & skf18("6","4","1","6","3","2","1") = "5"
    & skf18("6","4","1","6","3","3","1") = "5"
    & skf18("6","4","1","6","3","4","1") = "5"
    & skf18("6","4","1","6","3","5","1") = "5"
    & skf18("6","4","1","6","3","6","1") = "5"
    & skf18("6","4","1","6","3","7","1") = "6"
    & skf18("6","4","1","6","3","8","1") = "7"
    & skf18("6","4","1","6","3","9","1") = "8"
    & skf18("6","4","1","6","3","10","1") = "9"
    & skf18("6","4","1","6","4","1","1") = "5"
    & skf18("6","4","1","6","4","2","1") = "5"
    & skf18("6","4","1","6","4","3","1") = "5"
    & skf18("6","4","1","6","4","4","1") = "5"
    & skf18("6","4","1","6","4","5","1") = "5"
    & skf18("6","4","1","6","4","6","1") = "5"
    & skf18("6","4","1","6","4","7","1") = "6"
    & skf18("6","4","1","6","4","8","1") = "7"
    & skf18("6","4","1","6","4","9","1") = "8"
    & skf18("6","4","1","6","4","10","1") = "9"
    & skf18("6","4","1","6","5","1","1") = "5"
    & skf18("6","4","1","6","5","2","1") = "5"
    & skf18("6","4","1","6","5","3","1") = "5"
    & skf18("6","4","1","6","5","4","1") = "5"
    & skf18("6","4","1","6","5","5","1") = "5"
    & skf18("6","4","1","6","5","6","1") = "5"
    & skf18("6","4","1","6","5","7","1") = "6"
    & skf18("6","4","1","6","5","8","1") = "7"
    & skf18("6","4","1","6","5","9","1") = "8"
    & skf18("6","4","1","6","5","10","1") = "9"
    & skf18("6","4","1","6","6","1","1") = "5"
    & skf18("6","4","1","6","6","2","1") = "5"
    & skf18("6","4","1","6","6","3","1") = "5"
    & skf18("6","4","1","6","6","4","1") = "5"
    & skf18("6","4","1","6","6","5","1") = "5"
    & skf18("6","4","1","6","6","6","1") = "5"
    & skf18("6","4","1","6","6","7","1") = "6"
    & skf18("6","4","1","6","6","8","1") = "7"
    & skf18("6","4","1","6","6","9","1") = "8"
    & skf18("6","4","1","6","6","10","1") = "9"
    & skf18("6","4","1","6","7","1","1") = "6"
    & skf18("6","4","1","6","7","2","1") = "6"
    & skf18("6","4","1","6","7","3","1") = "6"
    & skf18("6","4","1","6","7","4","1") = "6"
    & skf18("6","4","1","6","7","5","1") = "6"
    & skf18("6","4","1","6","7","6","1") = "6"
    & skf18("6","4","1","6","7","7","1") = "6"
    & skf18("6","4","1","6","7","8","1") = "7"
    & skf18("6","4","1","6","7","9","1") = "8"
    & skf18("6","4","1","6","7","10","1") = "9"
    & skf18("6","4","1","6","8","1","1") = "7"
    & skf18("6","4","1","6","8","2","1") = "7"
    & skf18("6","4","1","6","8","3","1") = "7"
    & skf18("6","4","1","6","8","4","1") = "7"
    & skf18("6","4","1","6","8","5","1") = "7"
    & skf18("6","4","1","6","8","6","1") = "7"
    & skf18("6","4","1","6","8","7","1") = "7"
    & skf18("6","4","1","6","8","8","1") = "7"
    & skf18("6","4","1","6","8","9","1") = "8"
    & skf18("6","4","1","6","8","10","1") = "9"
    & skf18("6","4","1","6","9","1","1") = "8"
    & skf18("6","4","1","6","9","2","1") = "8"
    & skf18("6","4","1","6","9","3","1") = "8"
    & skf18("6","4","1","6","9","4","1") = "8"
    & skf18("6","4","1","6","9","5","1") = "8"
    & skf18("6","4","1","6","9","6","1") = "8"
    & skf18("6","4","1","6","9","7","1") = "8"
    & skf18("6","4","1","6","9","8","1") = "8"
    & skf18("6","4","1","6","9","9","1") = "8"
    & skf18("6","4","1","6","9","10","1") = "9"
    & skf18("6","4","1","6","10","1","1") = "9"
    & skf18("6","4","1","6","10","2","1") = "9"
    & skf18("6","4","1","6","10","3","1") = "9"
    & skf18("6","4","1","6","10","4","1") = "9"
    & skf18("6","4","1","6","10","5","1") = "9"
    & skf18("6","4","1","6","10","6","1") = "9"
    & skf18("6","4","1","6","10","7","1") = "9"
    & skf18("6","4","1","6","10","8","1") = "9"
    & skf18("6","4","1","6","10","9","1") = "9"
    & skf18("6","4","1","6","10","10","1") = "9"
    & skf18("6","4","1","7","1","1","1") = "6"
    & skf18("6","4","1","7","1","2","1") = "6"
    & skf18("6","4","1","7","1","3","1") = "6"
    & skf18("6","4","1","7","1","4","1") = "6"
    & skf18("6","4","1","7","1","5","1") = "6"
    & skf18("6","4","1","7","1","6","1") = "6"
    & skf18("6","4","1","7","1","7","1") = "6"
    & skf18("6","4","1","7","1","8","1") = "7"
    & skf18("6","4","1","7","1","9","1") = "8"
    & skf18("6","4","1","7","1","10","1") = "9"
    & skf18("6","4","1","7","2","1","1") = "6"
    & skf18("6","4","1","7","2","2","1") = "6"
    & skf18("6","4","1","7","2","3","1") = "6"
    & skf18("6","4","1","7","2","4","1") = "6"
    & skf18("6","4","1","7","2","5","1") = "6"
    & skf18("6","4","1","7","2","6","1") = "6"
    & skf18("6","4","1","7","2","7","1") = "6"
    & skf18("6","4","1","7","2","8","1") = "7"
    & skf18("6","4","1","7","2","9","1") = "8"
    & skf18("6","4","1","7","2","10","1") = "9"
    & skf18("6","4","1","7","3","1","1") = "6"
    & skf18("6","4","1","7","3","2","1") = "6"
    & skf18("6","4","1","7","3","3","1") = "6"
    & skf18("6","4","1","7","3","4","1") = "6"
    & skf18("6","4","1","7","3","5","1") = "6"
    & skf18("6","4","1","7","3","6","1") = "6"
    & skf18("6","4","1","7","3","7","1") = "6"
    & skf18("6","4","1","7","3","8","1") = "7"
    & skf18("6","4","1","7","3","9","1") = "8"
    & skf18("6","4","1","7","3","10","1") = "9"
    & skf18("6","4","1","7","4","1","1") = "6"
    & skf18("6","4","1","7","4","2","1") = "6"
    & skf18("6","4","1","7","4","3","1") = "6"
    & skf18("6","4","1","7","4","4","1") = "6"
    & skf18("6","4","1","7","4","5","1") = "6"
    & skf18("6","4","1","7","4","6","1") = "6"
    & skf18("6","4","1","7","4","7","1") = "6"
    & skf18("6","4","1","7","4","8","1") = "7"
    & skf18("6","4","1","7","4","9","1") = "8"
    & skf18("6","4","1","7","4","10","1") = "9"
    & skf18("6","4","1","7","5","1","1") = "6"
    & skf18("6","4","1","7","5","2","1") = "6"
    & skf18("6","4","1","7","5","3","1") = "6"
    & skf18("6","4","1","7","5","4","1") = "6"
    & skf18("6","4","1","7","5","5","1") = "6"
    & skf18("6","4","1","7","5","6","1") = "6"
    & skf18("6","4","1","7","5","7","1") = "6"
    & skf18("6","4","1","7","5","8","1") = "7"
    & skf18("6","4","1","7","5","9","1") = "8"
    & skf18("6","4","1","7","5","10","1") = "9"
    & skf18("6","4","1","7","6","1","1") = "6"
    & skf18("6","4","1","7","6","2","1") = "6"
    & skf18("6","4","1","7","6","3","1") = "6"
    & skf18("6","4","1","7","6","4","1") = "6"
    & skf18("6","4","1","7","6","5","1") = "6"
    & skf18("6","4","1","7","6","6","1") = "6"
    & skf18("6","4","1","7","6","7","1") = "6"
    & skf18("6","4","1","7","6","8","1") = "7"
    & skf18("6","4","1","7","6","9","1") = "8"
    & skf18("6","4","1","7","6","10","1") = "9"
    & skf18("6","4","1","7","7","1","1") = "6"
    & skf18("6","4","1","7","7","2","1") = "6"
    & skf18("6","4","1","7","7","3","1") = "6"
    & skf18("6","4","1","7","7","4","1") = "6"
    & skf18("6","4","1","7","7","5","1") = "6"
    & skf18("6","4","1","7","7","6","1") = "6"
    & skf18("6","4","1","7","7","7","1") = "6"
    & skf18("6","4","1","7","7","8","1") = "7"
    & skf18("6","4","1","7","7","9","1") = "8"
    & skf18("6","4","1","7","7","10","1") = "9"
    & skf18("6","4","1","7","8","1","1") = "7"
    & skf18("6","4","1","7","8","2","1") = "7"
    & skf18("6","4","1","7","8","3","1") = "7"
    & skf18("6","4","1","7","8","4","1") = "7"
    & skf18("6","4","1","7","8","5","1") = "7"
    & skf18("6","4","1","7","8","6","1") = "7"
    & skf18("6","4","1","7","8","7","1") = "7"
    & skf18("6","4","1","7","8","8","1") = "7"
    & skf18("6","4","1","7","8","9","1") = "8"
    & skf18("6","4","1","7","8","10","1") = "9"
    & skf18("6","4","1","7","9","1","1") = "8"
    & skf18("6","4","1","7","9","2","1") = "8"
    & skf18("6","4","1","7","9","3","1") = "8"
    & skf18("6","4","1","7","9","4","1") = "8"
    & skf18("6","4","1","7","9","5","1") = "8"
    & skf18("6","4","1","7","9","6","1") = "8"
    & skf18("6","4","1","7","9","7","1") = "8"
    & skf18("6","4","1","7","9","8","1") = "8"
    & skf18("6","4","1","7","9","9","1") = "8"
    & skf18("6","4","1","7","9","10","1") = "9"
    & skf18("6","4","1","7","10","1","1") = "9"
    & skf18("6","4","1","7","10","2","1") = "9"
    & skf18("6","4","1","7","10","3","1") = "9"
    & skf18("6","4","1","7","10","4","1") = "9"
    & skf18("6","4","1","7","10","5","1") = "9"
    & skf18("6","4","1","7","10","6","1") = "9"
    & skf18("6","4","1","7","10","7","1") = "9"
    & skf18("6","4","1","7","10","8","1") = "9"
    & skf18("6","4","1","7","10","9","1") = "9"
    & skf18("6","4","1","7","10","10","1") = "9"
    & skf18("6","4","1","8","1","1","1") = "7"
    & skf18("6","4","1","8","1","2","1") = "7"
    & skf18("6","4","1","8","1","3","1") = "7"
    & skf18("6","4","1","8","1","4","1") = "7"
    & skf18("6","4","1","8","1","5","1") = "7"
    & skf18("6","4","1","8","1","6","1") = "7"
    & skf18("6","4","1","8","1","7","1") = "7"
    & skf18("6","4","1","8","1","8","1") = "7"
    & skf18("6","4","1","8","1","9","1") = "8"
    & skf18("6","4","1","8","1","10","1") = "9"
    & skf18("6","4","1","8","2","1","1") = "7"
    & skf18("6","4","1","8","2","2","1") = "7"
    & skf18("6","4","1","8","2","3","1") = "7"
    & skf18("6","4","1","8","2","4","1") = "7"
    & skf18("6","4","1","8","2","5","1") = "7"
    & skf18("6","4","1","8","2","6","1") = "7"
    & skf18("6","4","1","8","2","7","1") = "7"
    & skf18("6","4","1","8","2","8","1") = "7"
    & skf18("6","4","1","8","2","9","1") = "8"
    & skf18("6","4","1","8","2","10","1") = "9"
    & skf18("6","4","1","8","3","1","1") = "7"
    & skf18("6","4","1","8","3","2","1") = "7"
    & skf18("6","4","1","8","3","3","1") = "7"
    & skf18("6","4","1","8","3","4","1") = "7"
    & skf18("6","4","1","8","3","5","1") = "7"
    & skf18("6","4","1","8","3","6","1") = "7"
    & skf18("6","4","1","8","3","7","1") = "7"
    & skf18("6","4","1","8","3","8","1") = "7"
    & skf18("6","4","1","8","3","9","1") = "8"
    & skf18("6","4","1","8","3","10","1") = "9"
    & skf18("6","4","1","8","4","1","1") = "7"
    & skf18("6","4","1","8","4","2","1") = "7"
    & skf18("6","4","1","8","4","3","1") = "7"
    & skf18("6","4","1","8","4","4","1") = "7"
    & skf18("6","4","1","8","4","5","1") = "7"
    & skf18("6","4","1","8","4","6","1") = "7"
    & skf18("6","4","1","8","4","7","1") = "7"
    & skf18("6","4","1","8","4","8","1") = "7"
    & skf18("6","4","1","8","4","9","1") = "8"
    & skf18("6","4","1","8","4","10","1") = "9"
    & skf18("6","4","1","8","5","1","1") = "7"
    & skf18("6","4","1","8","5","2","1") = "7"
    & skf18("6","4","1","8","5","3","1") = "7"
    & skf18("6","4","1","8","5","4","1") = "7"
    & skf18("6","4","1","8","5","5","1") = "7"
    & skf18("6","4","1","8","5","6","1") = "7"
    & skf18("6","4","1","8","5","7","1") = "7"
    & skf18("6","4","1","8","5","8","1") = "7"
    & skf18("6","4","1","8","5","9","1") = "8"
    & skf18("6","4","1","8","5","10","1") = "9"
    & skf18("6","4","1","8","6","1","1") = "7"
    & skf18("6","4","1","8","6","2","1") = "7"
    & skf18("6","4","1","8","6","3","1") = "7"
    & skf18("6","4","1","8","6","4","1") = "7"
    & skf18("6","4","1","8","6","5","1") = "7"
    & skf18("6","4","1","8","6","6","1") = "7"
    & skf18("6","4","1","8","6","7","1") = "7"
    & skf18("6","4","1","8","6","8","1") = "7"
    & skf18("6","4","1","8","6","9","1") = "8"
    & skf18("6","4","1","8","6","10","1") = "9"
    & skf18("6","4","1","8","7","1","1") = "7"
    & skf18("6","4","1","8","7","2","1") = "7"
    & skf18("6","4","1","8","7","3","1") = "7"
    & skf18("6","4","1","8","7","4","1") = "7"
    & skf18("6","4","1","8","7","5","1") = "7"
    & skf18("6","4","1","8","7","6","1") = "7"
    & skf18("6","4","1","8","7","7","1") = "7"
    & skf18("6","4","1","8","7","8","1") = "7"
    & skf18("6","4","1","8","7","9","1") = "8"
    & skf18("6","4","1","8","7","10","1") = "9"
    & skf18("6","4","1","8","8","1","1") = "7"
    & skf18("6","4","1","8","8","2","1") = "7"
    & skf18("6","4","1","8","8","3","1") = "7"
    & skf18("6","4","1","8","8","4","1") = "7"
    & skf18("6","4","1","8","8","5","1") = "7"
    & skf18("6","4","1","8","8","6","1") = "7"
    & skf18("6","4","1","8","8","7","1") = "7"
    & skf18("6","4","1","8","8","8","1") = "7"
    & skf18("6","4","1","8","8","9","1") = "8"
    & skf18("6","4","1","8","8","10","1") = "9"
    & skf18("6","4","1","8","9","1","1") = "8"
    & skf18("6","4","1","8","9","2","1") = "8"
    & skf18("6","4","1","8","9","3","1") = "8"
    & skf18("6","4","1","8","9","4","1") = "8"
    & skf18("6","4","1","8","9","5","1") = "8"
    & skf18("6","4","1","8","9","6","1") = "8"
    & skf18("6","4","1","8","9","7","1") = "8"
    & skf18("6","4","1","8","9","8","1") = "8"
    & skf18("6","4","1","8","9","9","1") = "8"
    & skf18("6","4","1","8","9","10","1") = "9"
    & skf18("6","4","1","8","10","1","1") = "9"
    & skf18("6","4","1","8","10","2","1") = "9"
    & skf18("6","4","1","8","10","3","1") = "9"
    & skf18("6","4","1","8","10","4","1") = "9"
    & skf18("6","4","1","8","10","5","1") = "9"
    & skf18("6","4","1","8","10","6","1") = "9"
    & skf18("6","4","1","8","10","7","1") = "9"
    & skf18("6","4","1","8","10","8","1") = "9"
    & skf18("6","4","1","8","10","9","1") = "9"
    & skf18("6","4","1","8","10","10","1") = "9"
    & skf18("6","4","1","9","1","1","1") = "8"
    & skf18("6","4","1","9","1","2","1") = "8"
    & skf18("6","4","1","9","1","3","1") = "8"
    & skf18("6","4","1","9","1","4","1") = "8"
    & skf18("6","4","1","9","1","5","1") = "8"
    & skf18("6","4","1","9","1","6","1") = "8"
    & skf18("6","4","1","9","1","7","1") = "8"
    & skf18("6","4","1","9","1","8","1") = "8"
    & skf18("6","4","1","9","1","9","1") = "8"
    & skf18("6","4","1","9","1","10","1") = "9"
    & skf18("6","4","1","9","2","1","1") = "8"
    & skf18("6","4","1","9","2","2","1") = "8"
    & skf18("6","4","1","9","2","3","1") = "8"
    & skf18("6","4","1","9","2","4","1") = "8"
    & skf18("6","4","1","9","2","5","1") = "8"
    & skf18("6","4","1","9","2","6","1") = "8"
    & skf18("6","4","1","9","2","7","1") = "8"
    & skf18("6","4","1","9","2","8","1") = "8"
    & skf18("6","4","1","9","2","9","1") = "8"
    & skf18("6","4","1","9","2","10","1") = "9"
    & skf18("6","4","1","9","3","1","1") = "8"
    & skf18("6","4","1","9","3","2","1") = "8"
    & skf18("6","4","1","9","3","3","1") = "8"
    & skf18("6","4","1","9","3","4","1") = "8"
    & skf18("6","4","1","9","3","5","1") = "8"
    & skf18("6","4","1","9","3","6","1") = "8"
    & skf18("6","4","1","9","3","7","1") = "8"
    & skf18("6","4","1","9","3","8","1") = "8"
    & skf18("6","4","1","9","3","9","1") = "8"
    & skf18("6","4","1","9","3","10","1") = "9"
    & skf18("6","4","1","9","4","1","1") = "8"
    & skf18("6","4","1","9","4","2","1") = "8"
    & skf18("6","4","1","9","4","3","1") = "8"
    & skf18("6","4","1","9","4","4","1") = "8"
    & skf18("6","4","1","9","4","5","1") = "8"
    & skf18("6","4","1","9","4","6","1") = "8"
    & skf18("6","4","1","9","4","7","1") = "8"
    & skf18("6","4","1","9","4","8","1") = "8"
    & skf18("6","4","1","9","4","9","1") = "8"
    & skf18("6","4","1","9","4","10","1") = "9"
    & skf18("6","4","1","9","5","1","1") = "8"
    & skf18("6","4","1","9","5","2","1") = "8"
    & skf18("6","4","1","9","5","3","1") = "8"
    & skf18("6","4","1","9","5","4","1") = "8"
    & skf18("6","4","1","9","5","5","1") = "8"
    & skf18("6","4","1","9","5","6","1") = "8"
    & skf18("6","4","1","9","5","7","1") = "8"
    & skf18("6","4","1","9","5","8","1") = "8"
    & skf18("6","4","1","9","5","9","1") = "8"
    & skf18("6","4","1","9","5","10","1") = "9"
    & skf18("6","4","1","9","6","1","1") = "8"
    & skf18("6","4","1","9","6","2","1") = "8"
    & skf18("6","4","1","9","6","3","1") = "8"
    & skf18("6","4","1","9","6","4","1") = "8"
    & skf18("6","4","1","9","6","5","1") = "8"
    & skf18("6","4","1","9","6","6","1") = "8"
    & skf18("6","4","1","9","6","7","1") = "8"
    & skf18("6","4","1","9","6","8","1") = "8"
    & skf18("6","4","1","9","6","9","1") = "8"
    & skf18("6","4","1","9","6","10","1") = "9"
    & skf18("6","4","1","9","7","1","1") = "8"
    & skf18("6","4","1","9","7","2","1") = "8"
    & skf18("6","4","1","9","7","3","1") = "8"
    & skf18("6","4","1","9","7","4","1") = "8"
    & skf18("6","4","1","9","7","5","1") = "8"
    & skf18("6","4","1","9","7","6","1") = "8"
    & skf18("6","4","1","9","7","7","1") = "8"
    & skf18("6","4","1","9","7","8","1") = "8"
    & skf18("6","4","1","9","7","9","1") = "8"
    & skf18("6","4","1","9","7","10","1") = "9"
    & skf18("6","4","1","9","8","1","1") = "8"
    & skf18("6","4","1","9","8","2","1") = "8"
    & skf18("6","4","1","9","8","3","1") = "8"
    & skf18("6","4","1","9","8","4","1") = "8"
    & skf18("6","4","1","9","8","5","1") = "8"
    & skf18("6","4","1","9","8","6","1") = "8"
    & skf18("6","4","1","9","8","7","1") = "8"
    & skf18("6","4","1","9","8","8","1") = "8"
    & skf18("6","4","1","9","8","9","1") = "8"
    & skf18("6","4","1","9","8","10","1") = "9"
    & skf18("6","4","1","9","9","1","1") = "8"
    & skf18("6","4","1","9","9","2","1") = "8"
    & skf18("6","4","1","9","9","3","1") = "8"
    & skf18("6","4","1","9","9","4","1") = "8"
    & skf18("6","4","1","9","9","5","1") = "8"
    & skf18("6","4","1","9","9","6","1") = "8"
    & skf18("6","4","1","9","9","7","1") = "8"
    & skf18("6","4","1","9","9","8","1") = "8"
    & skf18("6","4","1","9","9","9","1") = "8"
    & skf18("6","4","1","9","9","10","1") = "9"
    & skf18("6","4","1","9","10","1","1") = "9"
    & skf18("6","4","1","9","10","2","1") = "9"
    & skf18("6","4","1","9","10","3","1") = "9"
    & skf18("6","4","1","9","10","4","1") = "9"
    & skf18("6","4","1","9","10","5","1") = "9"
    & skf18("6","4","1","9","10","6","1") = "9"
    & skf18("6","4","1","9","10","7","1") = "9"
    & skf18("6","4","1","9","10","8","1") = "9"
    & skf18("6","4","1","9","10","9","1") = "9"
    & skf18("6","4","1","9","10","10","1") = "9"
    & skf18("6","4","1","10","1","1","1") = "9"
    & skf18("6","4","1","10","1","2","1") = "9"
    & skf18("6","4","1","10","1","3","1") = "9"
    & skf18("6","4","1","10","1","4","1") = "9"
    & skf18("6","4","1","10","1","5","1") = "9"
    & skf18("6","4","1","10","1","6","1") = "9"
    & skf18("6","4","1","10","1","7","1") = "9"
    & skf18("6","4","1","10","1","8","1") = "9"
    & skf18("6","4","1","10","1","9","1") = "9"
    & skf18("6","4","1","10","1","10","1") = "9"
    & skf18("6","4","1","10","2","1","1") = "9"
    & skf18("6","4","1","10","2","2","1") = "9"
    & skf18("6","4","1","10","2","3","1") = "9"
    & skf18("6","4","1","10","2","4","1") = "9"
    & skf18("6","4","1","10","2","5","1") = "9"
    & skf18("6","4","1","10","2","6","1") = "9"
    & skf18("6","4","1","10","2","7","1") = "9"
    & skf18("6","4","1","10","2","8","1") = "9"
    & skf18("6","4","1","10","2","9","1") = "9"
    & skf18("6","4","1","10","2","10","1") = "9"
    & skf18("6","4","1","10","3","1","1") = "9"
    & skf18("6","4","1","10","3","2","1") = "9"
    & skf18("6","4","1","10","3","3","1") = "9"
    & skf18("6","4","1","10","3","4","1") = "9"
    & skf18("6","4","1","10","3","5","1") = "9"
    & skf18("6","4","1","10","3","6","1") = "9"
    & skf18("6","4","1","10","3","7","1") = "9"
    & skf18("6","4","1","10","3","8","1") = "9"
    & skf18("6","4","1","10","3","9","1") = "9"
    & skf18("6","4","1","10","3","10","1") = "9"
    & skf18("6","4","1","10","4","1","1") = "9"
    & skf18("6","4","1","10","4","2","1") = "9"
    & skf18("6","4","1","10","4","3","1") = "9"
    & skf18("6","4","1","10","4","4","1") = "9"
    & skf18("6","4","1","10","4","5","1") = "9"
    & skf18("6","4","1","10","4","6","1") = "9"
    & skf18("6","4","1","10","4","7","1") = "9"
    & skf18("6","4","1","10","4","8","1") = "9"
    & skf18("6","4","1","10","4","9","1") = "9"
    & skf18("6","4","1","10","4","10","1") = "9"
    & skf18("6","4","1","10","5","1","1") = "9"
    & skf18("6","4","1","10","5","2","1") = "9"
    & skf18("6","4","1","10","5","3","1") = "9"
    & skf18("6","4","1","10","5","4","1") = "9"
    & skf18("6","4","1","10","5","5","1") = "9"
    & skf18("6","4","1","10","5","6","1") = "9"
    & skf18("6","4","1","10","5","7","1") = "9"
    & skf18("6","4","1","10","5","8","1") = "9"
    & skf18("6","4","1","10","5","9","1") = "9"
    & skf18("6","4","1","10","5","10","1") = "9"
    & skf18("6","4","1","10","6","1","1") = "9"
    & skf18("6","4","1","10","6","2","1") = "9"
    & skf18("6","4","1","10","6","3","1") = "9"
    & skf18("6","4","1","10","6","4","1") = "9"
    & skf18("6","4","1","10","6","5","1") = "9"
    & skf18("6","4","1","10","6","6","1") = "9"
    & skf18("6","4","1","10","6","7","1") = "9"
    & skf18("6","4","1","10","6","8","1") = "9"
    & skf18("6","4","1","10","6","9","1") = "9"
    & skf18("6","4","1","10","6","10","1") = "9"
    & skf18("6","4","1","10","7","1","1") = "9"
    & skf18("6","4","1","10","7","2","1") = "9"
    & skf18("6","4","1","10","7","3","1") = "9"
    & skf18("6","4","1","10","7","4","1") = "9"
    & skf18("6","4","1","10","7","5","1") = "9"
    & skf18("6","4","1","10","7","6","1") = "9"
    & skf18("6","4","1","10","7","7","1") = "9"
    & skf18("6","4","1","10","7","8","1") = "9"
    & skf18("6","4","1","10","7","9","1") = "9"
    & skf18("6","4","1","10","7","10","1") = "9"
    & skf18("6","4","1","10","8","1","1") = "9"
    & skf18("6","4","1","10","8","2","1") = "9"
    & skf18("6","4","1","10","8","3","1") = "9"
    & skf18("6","4","1","10","8","4","1") = "9"
    & skf18("6","4","1","10","8","5","1") = "9"
    & skf18("6","4","1","10","8","6","1") = "9"
    & skf18("6","4","1","10","8","7","1") = "9"
    & skf18("6","4","1","10","8","8","1") = "9"
    & skf18("6","4","1","10","8","9","1") = "9"
    & skf18("6","4","1","10","8","10","1") = "9"
    & skf18("6","4","1","10","9","1","1") = "9"
    & skf18("6","4","1","10","9","2","1") = "9"
    & skf18("6","4","1","10","9","3","1") = "9"
    & skf18("6","4","1","10","9","4","1") = "9"
    & skf18("6","4","1","10","9","5","1") = "9"
    & skf18("6","4","1","10","9","6","1") = "9"
    & skf18("6","4","1","10","9","7","1") = "9"
    & skf18("6","4","1","10","9","8","1") = "9"
    & skf18("6","4","1","10","9","9","1") = "9"
    & skf18("6","4","1","10","9","10","1") = "9"
    & skf18("6","4","1","10","10","1","1") = "9"
    & skf18("6","4","1","10","10","2","1") = "9"
    & skf18("6","4","1","10","10","3","1") = "9"
    & skf18("6","4","1","10","10","4","1") = "9"
    & skf18("6","4","1","10","10","5","1") = "9"
    & skf18("6","4","1","10","10","6","1") = "9"
    & skf18("6","4","1","10","10","7","1") = "9"
    & skf18("6","4","1","10","10","8","1") = "9"
    & skf18("6","4","1","10","10","9","1") = "9"
    & skf18("6","4","1","10","10","10","1") = "9"
    & skf18("6","4","2","1","1","1","1") = "5"
    & skf18("6","4","2","1","1","2","1") = "5"
    & skf18("6","4","2","1","1","3","1") = "5"
    & skf18("6","4","2","1","1","4","1") = "5"
    & skf18("6","4","2","1","1","5","1") = "5"
    & skf18("6","4","2","1","1","6","1") = "5"
    & skf18("6","4","2","1","1","7","1") = "6"
    & skf18("6","4","2","1","1","8","1") = "7"
    & skf18("6","4","2","1","1","9","1") = "8"
    & skf18("6","4","2","1","1","10","1") = "9"
    & skf18("6","4","2","1","2","1","1") = "5"
    & skf18("6","4","2","1","2","2","1") = "5"
    & skf18("6","4","2","1","2","3","1") = "5"
    & skf18("6","4","2","1","2","4","1") = "5"
    & skf18("6","4","2","1","2","5","1") = "5"
    & skf18("6","4","2","1","2","6","1") = "5"
    & skf18("6","4","2","1","2","7","1") = "6"
    & skf18("6","4","2","1","2","8","1") = "7"
    & skf18("6","4","2","1","2","9","1") = "8"
    & skf18("6","4","2","1","2","10","1") = "9"
    & skf18("6","4","2","1","3","1","1") = "5"
    & skf18("6","4","2","1","3","2","1") = "5"
    & skf18("6","4","2","1","3","3","1") = "5"
    & skf18("6","4","2","1","3","4","1") = "5"
    & skf18("6","4","2","1","3","5","1") = "5"
    & skf18("6","4","2","1","3","6","1") = "5"
    & skf18("6","4","2","1","3","7","1") = "6"
    & skf18("6","4","2","1","3","8","1") = "7"
    & skf18("6","4","2","1","3","9","1") = "8"
    & skf18("6","4","2","1","3","10","1") = "9"
    & skf18("6","4","2","1","4","1","1") = "5"
    & skf18("6","4","2","1","4","2","1") = "5"
    & skf18("6","4","2","1","4","3","1") = "5"
    & skf18("6","4","2","1","4","4","1") = "5"
    & skf18("6","4","2","1","4","5","1") = "5"
    & skf18("6","4","2","1","4","6","1") = "5"
    & skf18("6","4","2","1","4","7","1") = "6"
    & skf18("6","4","2","1","4","8","1") = "7"
    & skf18("6","4","2","1","4","9","1") = "8"
    & skf18("6","4","2","1","4","10","1") = "9"
    & skf18("6","4","2","1","5","1","1") = "5"
    & skf18("6","4","2","1","5","2","1") = "5"
    & skf18("6","4","2","1","5","3","1") = "5"
    & skf18("6","4","2","1","5","4","1") = "5"
    & skf18("6","4","2","1","5","5","1") = "5"
    & skf18("6","4","2","1","5","6","1") = "5"
    & skf18("6","4","2","1","5","7","1") = "6"
    & skf18("6","4","2","1","5","8","1") = "7"
    & skf18("6","4","2","1","5","9","1") = "8"
    & skf18("6","4","2","1","5","10","1") = "9"
    & skf18("6","4","2","1","6","1","1") = "5"
    & skf18("6","4","2","1","6","2","1") = "5"
    & skf18("6","4","2","1","6","3","1") = "5"
    & skf18("6","4","2","1","6","4","1") = "5"
    & skf18("6","4","2","1","6","5","1") = "5"
    & skf18("6","4","2","1","6","6","1") = "5"
    & skf18("6","4","2","1","6","7","1") = "6"
    & skf18("6","4","2","1","6","8","1") = "7"
    & skf18("6","4","2","1","6","9","1") = "8"
    & skf18("6","4","2","1","6","10","1") = "9"
    & skf18("6","4","2","1","7","1","1") = "6"
    & skf18("6","4","2","1","7","2","1") = "6"
    & skf18("6","4","2","1","7","3","1") = "6"
    & skf18("6","4","2","1","7","4","1") = "6"
    & skf18("6","4","2","1","7","5","1") = "6"
    & skf18("6","4","2","1","7","6","1") = "6"
    & skf18("6","4","2","1","7","7","1") = "6"
    & skf18("6","4","2","1","7","8","1") = "7"
    & skf18("6","4","2","1","7","9","1") = "8"
    & skf18("6","4","2","1","7","10","1") = "9"
    & skf18("6","4","2","1","8","1","1") = "7"
    & skf18("6","4","2","1","8","2","1") = "7"
    & skf18("6","4","2","1","8","3","1") = "7"
    & skf18("6","4","2","1","8","4","1") = "7"
    & skf18("6","4","2","1","8","5","1") = "7"
    & skf18("6","4","2","1","8","6","1") = "7"
    & skf18("6","4","2","1","8","7","1") = "7"
    & skf18("6","4","2","1","8","8","1") = "7"
    & skf18("6","4","2","1","8","9","1") = "8"
    & skf18("6","4","2","1","8","10","1") = "9"
    & skf18("6","4","2","1","9","1","1") = "8"
    & skf18("6","4","2","1","9","2","1") = "8"
    & skf18("6","4","2","1","9","3","1") = "8"
    & skf18("6","4","2","1","9","4","1") = "8"
    & skf18("6","4","2","1","9","5","1") = "8"
    & skf18("6","4","2","1","9","6","1") = "8"
    & skf18("6","4","2","1","9","7","1") = "8"
    & skf18("6","4","2","1","9","8","1") = "8"
    & skf18("6","4","2","1","9","9","1") = "8"
    & skf18("6","4","2","1","9","10","1") = "9"
    & skf18("6","4","2","1","10","1","1") = "9"
    & skf18("6","4","2","1","10","2","1") = "9"
    & skf18("6","4","2","1","10","3","1") = "9"
    & skf18("6","4","2","1","10","4","1") = "9"
    & skf18("6","4","2","1","10","5","1") = "9"
    & skf18("6","4","2","1","10","6","1") = "9"
    & skf18("6","4","2","1","10","7","1") = "9"
    & skf18("6","4","2","1","10","8","1") = "9"
    & skf18("6","4","2","1","10","9","1") = "9"
    & skf18("6","4","2","1","10","10","1") = "9"
    & skf18("6","4","2","2","1","1","1") = "5"
    & skf18("6","4","2","2","1","2","1") = "5"
    & skf18("6","4","2","2","1","3","1") = "5"
    & skf18("6","4","2","2","1","4","1") = "5"
    & skf18("6","4","2","2","1","5","1") = "5"
    & skf18("6","4","2","2","1","6","1") = "5"
    & skf18("6","4","2","2","1","7","1") = "6"
    & skf18("6","4","2","2","1","8","1") = "7"
    & skf18("6","4","2","2","1","9","1") = "8"
    & skf18("6","4","2","2","1","10","1") = "9"
    & skf18("6","4","2","2","2","1","1") = "5"
    & skf18("6","4","2","2","2","2","1") = "5"
    & skf18("6","4","2","2","2","3","1") = "5"
    & skf18("6","4","2","2","2","4","1") = "5"
    & skf18("6","4","2","2","2","5","1") = "5"
    & skf18("6","4","2","2","2","6","1") = "5"
    & skf18("6","4","2","2","2","7","1") = "6"
    & skf18("6","4","2","2","2","8","1") = "7"
    & skf18("6","4","2","2","2","9","1") = "8"
    & skf18("6","4","2","2","2","10","1") = "9"
    & skf18("6","4","2","2","3","1","1") = "5"
    & skf18("6","4","2","2","3","2","1") = "5"
    & skf18("6","4","2","2","3","3","1") = "5"
    & skf18("6","4","2","2","3","4","1") = "5"
    & skf18("6","4","2","2","3","5","1") = "5"
    & skf18("6","4","2","2","3","6","1") = "5"
    & skf18("6","4","2","2","3","7","1") = "6"
    & skf18("6","4","2","2","3","8","1") = "7"
    & skf18("6","4","2","2","3","9","1") = "8"
    & skf18("6","4","2","2","3","10","1") = "9"
    & skf18("6","4","2","2","4","1","1") = "5"
    & skf18("6","4","2","2","4","2","1") = "5"
    & skf18("6","4","2","2","4","3","1") = "5"
    & skf18("6","4","2","2","4","4","1") = "5"
    & skf18("6","4","2","2","4","5","1") = "5"
    & skf18("6","4","2","2","4","6","1") = "5"
    & skf18("6","4","2","2","4","7","1") = "6"
    & skf18("6","4","2","2","4","8","1") = "7"
    & skf18("6","4","2","2","4","9","1") = "8"
    & skf18("6","4","2","2","4","10","1") = "9"
    & skf18("6","4","2","2","5","1","1") = "5"
    & skf18("6","4","2","2","5","2","1") = "5"
    & skf18("6","4","2","2","5","3","1") = "5"
    & skf18("6","4","2","2","5","4","1") = "5"
    & skf18("6","4","2","2","5","5","1") = "5"
    & skf18("6","4","2","2","5","6","1") = "5"
    & skf18("6","4","2","2","5","7","1") = "6"
    & skf18("6","4","2","2","5","8","1") = "7"
    & skf18("6","4","2","2","5","9","1") = "8"
    & skf18("6","4","2","2","5","10","1") = "9"
    & skf18("6","4","2","2","6","1","1") = "5"
    & skf18("6","4","2","2","6","2","1") = "5"
    & skf18("6","4","2","2","6","3","1") = "5"
    & skf18("6","4","2","2","6","4","1") = "5"
    & skf18("6","4","2","2","6","5","1") = "5"
    & skf18("6","4","2","2","6","6","1") = "5"
    & skf18("6","4","2","2","6","7","1") = "6"
    & skf18("6","4","2","2","6","8","1") = "7"
    & skf18("6","4","2","2","6","9","1") = "8"
    & skf18("6","4","2","2","6","10","1") = "9"
    & skf18("6","4","2","2","7","1","1") = "6"
    & skf18("6","4","2","2","7","2","1") = "6"
    & skf18("6","4","2","2","7","3","1") = "6"
    & skf18("6","4","2","2","7","4","1") = "6"
    & skf18("6","4","2","2","7","5","1") = "6"
    & skf18("6","4","2","2","7","6","1") = "6"
    & skf18("6","4","2","2","7","7","1") = "6"
    & skf18("6","4","2","2","7","8","1") = "7"
    & skf18("6","4","2","2","7","9","1") = "8"
    & skf18("6","4","2","2","7","10","1") = "9"
    & skf18("6","4","2","2","8","1","1") = "7"
    & skf18("6","4","2","2","8","2","1") = "7"
    & skf18("6","4","2","2","8","3","1") = "7"
    & skf18("6","4","2","2","8","4","1") = "7"
    & skf18("6","4","2","2","8","5","1") = "7"
    & skf18("6","4","2","2","8","6","1") = "7"
    & skf18("6","4","2","2","8","7","1") = "7"
    & skf18("6","4","2","2","8","8","1") = "7"
    & skf18("6","4","2","2","8","9","1") = "8"
    & skf18("6","4","2","2","8","10","1") = "9"
    & skf18("6","4","2","2","9","1","1") = "8"
    & skf18("6","4","2","2","9","2","1") = "8"
    & skf18("6","4","2","2","9","3","1") = "8"
    & skf18("6","4","2","2","9","4","1") = "8"
    & skf18("6","4","2","2","9","5","1") = "8"
    & skf18("6","4","2","2","9","6","1") = "8"
    & skf18("6","4","2","2","9","7","1") = "8"
    & skf18("6","4","2","2","9","8","1") = "8"
    & skf18("6","4","2","2","9","9","1") = "8"
    & skf18("6","4","2","2","9","10","1") = "9"
    & skf18("6","4","2","2","10","1","1") = "9"
    & skf18("6","4","2","2","10","2","1") = "9"
    & skf18("6","4","2","2","10","3","1") = "9"
    & skf18("6","4","2","2","10","4","1") = "9"
    & skf18("6","4","2","2","10","5","1") = "9"
    & skf18("6","4","2","2","10","6","1") = "9"
    & skf18("6","4","2","2","10","7","1") = "9"
    & skf18("6","4","2","2","10","8","1") = "9"
    & skf18("6","4","2","2","10","9","1") = "9"
    & skf18("6","4","2","2","10","10","1") = "9"
    & skf18("6","4","2","3","1","1","1") = "5"
    & skf18("6","4","2","3","1","2","1") = "5"
    & skf18("6","4","2","3","1","3","1") = "5"
    & skf18("6","4","2","3","1","4","1") = "5"
    & skf18("6","4","2","3","1","5","1") = "5"
    & skf18("6","4","2","3","1","6","1") = "5"
    & skf18("6","4","2","3","1","7","1") = "6"
    & skf18("6","4","2","3","1","8","1") = "7"
    & skf18("6","4","2","3","1","9","1") = "8"
    & skf18("6","4","2","3","1","10","1") = "9"
    & skf18("6","4","2","3","2","1","1") = "5"
    & skf18("6","4","2","3","2","2","1") = "5"
    & skf18("6","4","2","3","2","3","1") = "5"
    & skf18("6","4","2","3","2","4","1") = "5"
    & skf18("6","4","2","3","2","5","1") = "5"
    & skf18("6","4","2","3","2","6","1") = "5"
    & skf18("6","4","2","3","2","7","1") = "6"
    & skf18("6","4","2","3","2","8","1") = "7"
    & skf18("6","4","2","3","2","9","1") = "8"
    & skf18("6","4","2","3","2","10","1") = "9"
    & skf18("6","4","2","3","3","1","1") = "5"
    & skf18("6","4","2","3","3","2","1") = "5"
    & skf18("6","4","2","3","3","3","1") = "5"
    & skf18("6","4","2","3","3","4","1") = "5"
    & skf18("6","4","2","3","3","5","1") = "5"
    & skf18("6","4","2","3","3","6","1") = "5"
    & skf18("6","4","2","3","3","7","1") = "6"
    & skf18("6","4","2","3","3","8","1") = "7"
    & skf18("6","4","2","3","3","9","1") = "8"
    & skf18("6","4","2","3","3","10","1") = "9"
    & skf18("6","4","2","3","4","1","1") = "5"
    & skf18("6","4","2","3","4","2","1") = "5"
    & skf18("6","4","2","3","4","3","1") = "5"
    & skf18("6","4","2","3","4","4","1") = "5"
    & skf18("6","4","2","3","4","5","1") = "5"
    & skf18("6","4","2","3","4","6","1") = "5"
    & skf18("6","4","2","3","4","7","1") = "6"
    & skf18("6","4","2","3","4","8","1") = "7"
    & skf18("6","4","2","3","4","9","1") = "8"
    & skf18("6","4","2","3","4","10","1") = "9"
    & skf18("6","4","2","3","5","1","1") = "5"
    & skf18("6","4","2","3","5","2","1") = "5"
    & skf18("6","4","2","3","5","3","1") = "5"
    & skf18("6","4","2","3","5","4","1") = "5"
    & skf18("6","4","2","3","5","5","1") = "5"
    & skf18("6","4","2","3","5","6","1") = "5"
    & skf18("6","4","2","3","5","7","1") = "6"
    & skf18("6","4","2","3","5","8","1") = "7"
    & skf18("6","4","2","3","5","9","1") = "8"
    & skf18("6","4","2","3","5","10","1") = "9"
    & skf18("6","4","2","3","6","1","1") = "5"
    & skf18("6","4","2","3","6","2","1") = "5"
    & skf18("6","4","2","3","6","3","1") = "5"
    & skf18("6","4","2","3","6","4","1") = "5"
    & skf18("6","4","2","3","6","5","1") = "5"
    & skf18("6","4","2","3","6","6","1") = "5"
    & skf18("6","4","2","3","6","7","1") = "6"
    & skf18("6","4","2","3","6","8","1") = "7"
    & skf18("6","4","2","3","6","9","1") = "8"
    & skf18("6","4","2","3","6","10","1") = "9"
    & skf18("6","4","2","3","7","1","1") = "6"
    & skf18("6","4","2","3","7","2","1") = "6"
    & skf18("6","4","2","3","7","3","1") = "6"
    & skf18("6","4","2","3","7","4","1") = "6"
    & skf18("6","4","2","3","7","5","1") = "6"
    & skf18("6","4","2","3","7","6","1") = "6"
    & skf18("6","4","2","3","7","7","1") = "6"
    & skf18("6","4","2","3","7","8","1") = "7"
    & skf18("6","4","2","3","7","9","1") = "8"
    & skf18("6","4","2","3","7","10","1") = "9"
    & skf18("6","4","2","3","8","1","1") = "7"
    & skf18("6","4","2","3","8","2","1") = "7"
    & skf18("6","4","2","3","8","3","1") = "7"
    & skf18("6","4","2","3","8","4","1") = "7"
    & skf18("6","4","2","3","8","5","1") = "7"
    & skf18("6","4","2","3","8","6","1") = "7"
    & skf18("6","4","2","3","8","7","1") = "7"
    & skf18("6","4","2","3","8","8","1") = "7"
    & skf18("6","4","2","3","8","9","1") = "8"
    & skf18("6","4","2","3","8","10","1") = "9"
    & skf18("6","4","2","3","9","1","1") = "8"
    & skf18("6","4","2","3","9","2","1") = "8"
    & skf18("6","4","2","3","9","3","1") = "8"
    & skf18("6","4","2","3","9","4","1") = "8"
    & skf18("6","4","2","3","9","5","1") = "8"
    & skf18("6","4","2","3","9","6","1") = "8"
    & skf18("6","4","2","3","9","7","1") = "8"
    & skf18("6","4","2","3","9","8","1") = "8"
    & skf18("6","4","2","3","9","9","1") = "8"
    & skf18("6","4","2","3","9","10","1") = "9"
    & skf18("6","4","2","3","10","1","1") = "9"
    & skf18("6","4","2","3","10","2","1") = "9"
    & skf18("6","4","2","3","10","3","1") = "9"
    & skf18("6","4","2","3","10","4","1") = "9"
    & skf18("6","4","2","3","10","5","1") = "9"
    & skf18("6","4","2","3","10","6","1") = "9"
    & skf18("6","4","2","3","10","7","1") = "9"
    & skf18("6","4","2","3","10","8","1") = "9"
    & skf18("6","4","2","3","10","9","1") = "9"
    & skf18("6","4","2","3","10","10","1") = "9"
    & skf18("6","4","2","4","1","1","1") = "5"
    & skf18("6","4","2","4","1","2","1") = "5"
    & skf18("6","4","2","4","1","3","1") = "5"
    & skf18("6","4","2","4","1","4","1") = "5"
    & skf18("6","4","2","4","1","5","1") = "5"
    & skf18("6","4","2","4","1","6","1") = "5"
    & skf18("6","4","2","4","1","7","1") = "6"
    & skf18("6","4","2","4","1","8","1") = "7"
    & skf18("6","4","2","4","1","9","1") = "8"
    & skf18("6","4","2","4","1","10","1") = "9"
    & skf18("6","4","2","4","2","1","1") = "5"
    & skf18("6","4","2","4","2","2","1") = "5"
    & skf18("6","4","2","4","2","3","1") = "5"
    & skf18("6","4","2","4","2","4","1") = "5"
    & skf18("6","4","2","4","2","5","1") = "5"
    & skf18("6","4","2","4","2","6","1") = "5"
    & skf18("6","4","2","4","2","7","1") = "6"
    & skf18("6","4","2","4","2","8","1") = "7"
    & skf18("6","4","2","4","2","9","1") = "8"
    & skf18("6","4","2","4","2","10","1") = "9"
    & skf18("6","4","2","4","3","1","1") = "5"
    & skf18("6","4","2","4","3","2","1") = "5"
    & skf18("6","4","2","4","3","3","1") = "5"
    & skf18("6","4","2","4","3","4","1") = "5"
    & skf18("6","4","2","4","3","5","1") = "5"
    & skf18("6","4","2","4","3","6","1") = "5"
    & skf18("6","4","2","4","3","7","1") = "6"
    & skf18("6","4","2","4","3","8","1") = "7"
    & skf18("6","4","2","4","3","9","1") = "8"
    & skf18("6","4","2","4","3","10","1") = "9"
    & skf18("6","4","2","4","4","1","1") = "5"
    & skf18("6","4","2","4","4","2","1") = "5"
    & skf18("6","4","2","4","4","3","1") = "5"
    & skf18("6","4","2","4","4","4","1") = "5"
    & skf18("6","4","2","4","4","5","1") = "5"
    & skf18("6","4","2","4","4","6","1") = "5"
    & skf18("6","4","2","4","4","7","1") = "6"
    & skf18("6","4","2","4","4","8","1") = "7"
    & skf18("6","4","2","4","4","9","1") = "8"
    & skf18("6","4","2","4","4","10","1") = "9"
    & skf18("6","4","2","4","5","1","1") = "5"
    & skf18("6","4","2","4","5","2","1") = "5"
    & skf18("6","4","2","4","5","3","1") = "5"
    & skf18("6","4","2","4","5","4","1") = "5"
    & skf18("6","4","2","4","5","5","1") = "5"
    & skf18("6","4","2","4","5","6","1") = "5"
    & skf18("6","4","2","4","5","7","1") = "6"
    & skf18("6","4","2","4","5","8","1") = "7"
    & skf18("6","4","2","4","5","9","1") = "8"
    & skf18("6","4","2","4","5","10","1") = "9"
    & skf18("6","4","2","4","6","1","1") = "5"
    & skf18("6","4","2","4","6","2","1") = "5"
    & skf18("6","4","2","4","6","3","1") = "5"
    & skf18("6","4","2","4","6","4","1") = "5"
    & skf18("6","4","2","4","6","5","1") = "5"
    & skf18("6","4","2","4","6","6","1") = "5"
    & skf18("6","4","2","4","6","7","1") = "6"
    & skf18("6","4","2","4","6","8","1") = "7"
    & skf18("6","4","2","4","6","9","1") = "8"
    & skf18("6","4","2","4","6","10","1") = "9"
    & skf18("6","4","2","4","7","1","1") = "6"
    & skf18("6","4","2","4","7","2","1") = "6"
    & skf18("6","4","2","4","7","3","1") = "6"
    & skf18("6","4","2","4","7","4","1") = "6"
    & skf18("6","4","2","4","7","5","1") = "6"
    & skf18("6","4","2","4","7","6","1") = "6"
    & skf18("6","4","2","4","7","7","1") = "6"
    & skf18("6","4","2","4","7","8","1") = "7"
    & skf18("6","4","2","4","7","9","1") = "8"
    & skf18("6","4","2","4","7","10","1") = "9"
    & skf18("6","4","2","4","8","1","1") = "7"
    & skf18("6","4","2","4","8","2","1") = "7"
    & skf18("6","4","2","4","8","3","1") = "7"
    & skf18("6","4","2","4","8","4","1") = "7"
    & skf18("6","4","2","4","8","5","1") = "7"
    & skf18("6","4","2","4","8","6","1") = "7"
    & skf18("6","4","2","4","8","7","1") = "7"
    & skf18("6","4","2","4","8","8","1") = "7"
    & skf18("6","4","2","4","8","9","1") = "8"
    & skf18("6","4","2","4","8","10","1") = "9"
    & skf18("6","4","2","4","9","1","1") = "8"
    & skf18("6","4","2","4","9","2","1") = "8"
    & skf18("6","4","2","4","9","3","1") = "8"
    & skf18("6","4","2","4","9","4","1") = "8"
    & skf18("6","4","2","4","9","5","1") = "8"
    & skf18("6","4","2","4","9","6","1") = "8"
    & skf18("6","4","2","4","9","7","1") = "8"
    & skf18("6","4","2","4","9","8","1") = "8"
    & skf18("6","4","2","4","9","9","1") = "8"
    & skf18("6","4","2","4","9","10","1") = "9"
    & skf18("6","4","2","4","10","1","1") = "9"
    & skf18("6","4","2","4","10","2","1") = "9"
    & skf18("6","4","2","4","10","3","1") = "9"
    & skf18("6","4","2","4","10","4","1") = "9"
    & skf18("6","4","2","4","10","5","1") = "9"
    & skf18("6","4","2","4","10","6","1") = "9"
    & skf18("6","4","2","4","10","7","1") = "9"
    & skf18("6","4","2","4","10","8","1") = "9"
    & skf18("6","4","2","4","10","9","1") = "9"
    & skf18("6","4","2","4","10","10","1") = "9"
    & skf18("6","4","2","5","1","1","1") = "5"
    & skf18("6","4","2","5","1","2","1") = "5"
    & skf18("6","4","2","5","1","3","1") = "5"
    & skf18("6","4","2","5","1","4","1") = "5"
    & skf18("6","4","2","5","1","5","1") = "5"
    & skf18("6","4","2","5","1","6","1") = "5"
    & skf18("6","4","2","5","1","7","1") = "6"
    & skf18("6","4","2","5","1","8","1") = "7"
    & skf18("6","4","2","5","1","9","1") = "8"
    & skf18("6","4","2","5","1","10","1") = "9"
    & skf18("6","4","2","5","2","1","1") = "5"
    & skf18("6","4","2","5","2","2","1") = "5"
    & skf18("6","4","2","5","2","3","1") = "5"
    & skf18("6","4","2","5","2","4","1") = "5"
    & skf18("6","4","2","5","2","5","1") = "5"
    & skf18("6","4","2","5","2","6","1") = "5"
    & skf18("6","4","2","5","2","7","1") = "6"
    & skf18("6","4","2","5","2","8","1") = "7"
    & skf18("6","4","2","5","2","9","1") = "8"
    & skf18("6","4","2","5","2","10","1") = "9"
    & skf18("6","4","2","5","3","1","1") = "5"
    & skf18("6","4","2","5","3","2","1") = "5"
    & skf18("6","4","2","5","3","3","1") = "5"
    & skf18("6","4","2","5","3","4","1") = "5"
    & skf18("6","4","2","5","3","5","1") = "5"
    & skf18("6","4","2","5","3","6","1") = "5"
    & skf18("6","4","2","5","3","7","1") = "6"
    & skf18("6","4","2","5","3","8","1") = "7"
    & skf18("6","4","2","5","3","9","1") = "8"
    & skf18("6","4","2","5","3","10","1") = "9"
    & skf18("6","4","2","5","4","1","1") = "5"
    & skf18("6","4","2","5","4","2","1") = "5"
    & skf18("6","4","2","5","4","3","1") = "5"
    & skf18("6","4","2","5","4","4","1") = "5"
    & skf18("6","4","2","5","4","5","1") = "5"
    & skf18("6","4","2","5","4","6","1") = "5"
    & skf18("6","4","2","5","4","7","1") = "6"
    & skf18("6","4","2","5","4","8","1") = "7"
    & skf18("6","4","2","5","4","9","1") = "8"
    & skf18("6","4","2","5","4","10","1") = "9"
    & skf18("6","4","2","5","5","1","1") = "5"
    & skf18("6","4","2","5","5","2","1") = "5"
    & skf18("6","4","2","5","5","3","1") = "5"
    & skf18("6","4","2","5","5","4","1") = "5"
    & skf18("6","4","2","5","5","5","1") = "5"
    & skf18("6","4","2","5","5","6","1") = "5"
    & skf18("6","4","2","5","5","7","1") = "6"
    & skf18("6","4","2","5","5","8","1") = "7"
    & skf18("6","4","2","5","5","9","1") = "8"
    & skf18("6","4","2","5","5","10","1") = "9"
    & skf18("6","4","2","5","6","1","1") = "5"
    & skf18("6","4","2","5","6","2","1") = "5"
    & skf18("6","4","2","5","6","3","1") = "5"
    & skf18("6","4","2","5","6","4","1") = "5"
    & skf18("6","4","2","5","6","5","1") = "5"
    & skf18("6","4","2","5","6","6","1") = "5"
    & skf18("6","4","2","5","6","7","1") = "6"
    & skf18("6","4","2","5","6","8","1") = "7"
    & skf18("6","4","2","5","6","9","1") = "8"
    & skf18("6","4","2","5","6","10","1") = "9"
    & skf18("6","4","2","5","7","1","1") = "6"
    & skf18("6","4","2","5","7","2","1") = "6"
    & skf18("6","4","2","5","7","3","1") = "6"
    & skf18("6","4","2","5","7","4","1") = "6"
    & skf18("6","4","2","5","7","5","1") = "6"
    & skf18("6","4","2","5","7","6","1") = "6"
    & skf18("6","4","2","5","7","7","1") = "6"
    & skf18("6","4","2","5","7","8","1") = "7"
    & skf18("6","4","2","5","7","9","1") = "8"
    & skf18("6","4","2","5","7","10","1") = "9"
    & skf18("6","4","2","5","8","1","1") = "7"
    & skf18("6","4","2","5","8","2","1") = "7"
    & skf18("6","4","2","5","8","3","1") = "7"
    & skf18("6","4","2","5","8","4","1") = "7"
    & skf18("6","4","2","5","8","5","1") = "7"
    & skf18("6","4","2","5","8","6","1") = "7"
    & skf18("6","4","2","5","8","7","1") = "7"
    & skf18("6","4","2","5","8","8","1") = "7"
    & skf18("6","4","2","5","8","9","1") = "8"
    & skf18("6","4","2","5","8","10","1") = "9"
    & skf18("6","4","2","5","9","1","1") = "8"
    & skf18("6","4","2","5","9","2","1") = "8"
    & skf18("6","4","2","5","9","3","1") = "8"
    & skf18("6","4","2","5","9","4","1") = "8"
    & skf18("6","4","2","5","9","5","1") = "8"
    & skf18("6","4","2","5","9","6","1") = "8"
    & skf18("6","4","2","5","9","7","1") = "8"
    & skf18("6","4","2","5","9","8","1") = "8"
    & skf18("6","4","2","5","9","9","1") = "8"
    & skf18("6","4","2","5","9","10","1") = "9"
    & skf18("6","4","2","5","10","1","1") = "9"
    & skf18("6","4","2","5","10","2","1") = "9"
    & skf18("6","4","2","5","10","3","1") = "9"
    & skf18("6","4","2","5","10","4","1") = "9"
    & skf18("6","4","2","5","10","5","1") = "9"
    & skf18("6","4","2","5","10","6","1") = "9"
    & skf18("6","4","2","5","10","7","1") = "9"
    & skf18("6","4","2","5","10","8","1") = "9"
    & skf18("6","4","2","5","10","9","1") = "9"
    & skf18("6","4","2","5","10","10","1") = "9"
    & skf18("6","4","2","6","1","1","1") = "5"
    & skf18("6","4","2","6","1","2","1") = "5"
    & skf18("6","4","2","6","1","3","1") = "5"
    & skf18("6","4","2","6","1","4","1") = "5"
    & skf18("6","4","2","6","1","5","1") = "5"
    & skf18("6","4","2","6","1","6","1") = "5"
    & skf18("6","4","2","6","1","7","1") = "6"
    & skf18("6","4","2","6","1","8","1") = "7"
    & skf18("6","4","2","6","1","9","1") = "8"
    & skf18("6","4","2","6","1","10","1") = "9"
    & skf18("6","4","2","6","2","1","1") = "5"
    & skf18("6","4","2","6","2","2","1") = "5"
    & skf18("6","4","2","6","2","3","1") = "5"
    & skf18("6","4","2","6","2","4","1") = "5"
    & skf18("6","4","2","6","2","5","1") = "5"
    & skf18("6","4","2","6","2","6","1") = "5"
    & skf18("6","4","2","6","2","7","1") = "6"
    & skf18("6","4","2","6","2","8","1") = "7"
    & skf18("6","4","2","6","2","9","1") = "8"
    & skf18("6","4","2","6","2","10","1") = "9"
    & skf18("6","4","2","6","3","1","1") = "5"
    & skf18("6","4","2","6","3","2","1") = "5"
    & skf18("6","4","2","6","3","3","1") = "5"
    & skf18("6","4","2","6","3","4","1") = "5"
    & skf18("6","4","2","6","3","5","1") = "5"
    & skf18("6","4","2","6","3","6","1") = "5"
    & skf18("6","4","2","6","3","7","1") = "6"
    & skf18("6","4","2","6","3","8","1") = "7"
    & skf18("6","4","2","6","3","9","1") = "8"
    & skf18("6","4","2","6","3","10","1") = "9"
    & skf18("6","4","2","6","4","1","1") = "5"
    & skf18("6","4","2","6","4","2","1") = "5"
    & skf18("6","4","2","6","4","3","1") = "5"
    & skf18("6","4","2","6","4","4","1") = "5"
    & skf18("6","4","2","6","4","5","1") = "5"
    & skf18("6","4","2","6","4","6","1") = "5"
    & skf18("6","4","2","6","4","7","1") = "6"
    & skf18("6","4","2","6","4","8","1") = "7"
    & skf18("6","4","2","6","4","9","1") = "8"
    & skf18("6","4","2","6","4","10","1") = "9"
    & skf18("6","4","2","6","5","1","1") = "5"
    & skf18("6","4","2","6","5","2","1") = "5"
    & skf18("6","4","2","6","5","3","1") = "5"
    & skf18("6","4","2","6","5","4","1") = "5"
    & skf18("6","4","2","6","5","5","1") = "5"
    & skf18("6","4","2","6","5","6","1") = "5"
    & skf18("6","4","2","6","5","7","1") = "6"
    & skf18("6","4","2","6","5","8","1") = "7"
    & skf18("6","4","2","6","5","9","1") = "8"
    & skf18("6","4","2","6","5","10","1") = "9"
    & skf18("6","4","2","6","6","1","1") = "5"
    & skf18("6","4","2","6","6","2","1") = "5"
    & skf18("6","4","2","6","6","3","1") = "5"
    & skf18("6","4","2","6","6","4","1") = "5"
    & skf18("6","4","2","6","6","5","1") = "5"
    & skf18("6","4","2","6","6","6","1") = "5"
    & skf18("6","4","2","6","6","7","1") = "6"
    & skf18("6","4","2","6","6","8","1") = "7"
    & skf18("6","4","2","6","6","9","1") = "8"
    & skf18("6","4","2","6","6","10","1") = "9"
    & skf18("6","4","2","6","7","1","1") = "6"
    & skf18("6","4","2","6","7","2","1") = "6"
    & skf18("6","4","2","6","7","3","1") = "6"
    & skf18("6","4","2","6","7","4","1") = "6"
    & skf18("6","4","2","6","7","5","1") = "6"
    & skf18("6","4","2","6","7","6","1") = "6"
    & skf18("6","4","2","6","7","7","1") = "6"
    & skf18("6","4","2","6","7","8","1") = "7"
    & skf18("6","4","2","6","7","9","1") = "8"
    & skf18("6","4","2","6","7","10","1") = "9"
    & skf18("6","4","2","6","8","1","1") = "7"
    & skf18("6","4","2","6","8","2","1") = "7"
    & skf18("6","4","2","6","8","3","1") = "7"
    & skf18("6","4","2","6","8","4","1") = "7"
    & skf18("6","4","2","6","8","5","1") = "7"
    & skf18("6","4","2","6","8","6","1") = "7"
    & skf18("6","4","2","6","8","7","1") = "7"
    & skf18("6","4","2","6","8","8","1") = "7"
    & skf18("6","4","2","6","8","9","1") = "8"
    & skf18("6","4","2","6","8","10","1") = "9"
    & skf18("6","4","2","6","9","1","1") = "8"
    & skf18("6","4","2","6","9","2","1") = "8"
    & skf18("6","4","2","6","9","3","1") = "8"
    & skf18("6","4","2","6","9","4","1") = "8"
    & skf18("6","4","2","6","9","5","1") = "8"
    & skf18("6","4","2","6","9","6","1") = "8"
    & skf18("6","4","2","6","9","7","1") = "8"
    & skf18("6","4","2","6","9","8","1") = "8"
    & skf18("6","4","2","6","9","9","1") = "8"
    & skf18("6","4","2","6","9","10","1") = "9"
    & skf18("6","4","2","6","10","1","1") = "9"
    & skf18("6","4","2","6","10","2","1") = "9"
    & skf18("6","4","2","6","10","3","1") = "9"
    & skf18("6","4","2","6","10","4","1") = "9"
    & skf18("6","4","2","6","10","5","1") = "9"
    & skf18("6","4","2","6","10","6","1") = "9"
    & skf18("6","4","2","6","10","7","1") = "9"
    & skf18("6","4","2","6","10","8","1") = "9"
    & skf18("6","4","2","6","10","9","1") = "9"
    & skf18("6","4","2","6","10","10","1") = "9"
    & skf18("6","4","2","7","1","1","1") = "6"
    & skf18("6","4","2","7","1","2","1") = "6"
    & skf18("6","4","2","7","1","3","1") = "6"
    & skf18("6","4","2","7","1","4","1") = "6"
    & skf18("6","4","2","7","1","5","1") = "6"
    & skf18("6","4","2","7","1","6","1") = "6"
    & skf18("6","4","2","7","1","7","1") = "6"
    & skf18("6","4","2","7","1","8","1") = "7"
    & skf18("6","4","2","7","1","9","1") = "8"
    & skf18("6","4","2","7","1","10","1") = "9"
    & skf18("6","4","2","7","2","1","1") = "6"
    & skf18("6","4","2","7","2","2","1") = "6"
    & skf18("6","4","2","7","2","3","1") = "6"
    & skf18("6","4","2","7","2","4","1") = "6"
    & skf18("6","4","2","7","2","5","1") = "6"
    & skf18("6","4","2","7","2","6","1") = "6"
    & skf18("6","4","2","7","2","7","1") = "6"
    & skf18("6","4","2","7","2","8","1") = "7"
    & skf18("6","4","2","7","2","9","1") = "8"
    & skf18("6","4","2","7","2","10","1") = "9"
    & skf18("6","4","2","7","3","1","1") = "6"
    & skf18("6","4","2","7","3","2","1") = "6"
    & skf18("6","4","2","7","3","3","1") = "6"
    & skf18("6","4","2","7","3","4","1") = "6"
    & skf18("6","4","2","7","3","5","1") = "6"
    & skf18("6","4","2","7","3","6","1") = "6"
    & skf18("6","4","2","7","3","7","1") = "6"
    & skf18("6","4","2","7","3","8","1") = "7"
    & skf18("6","4","2","7","3","9","1") = "8"
    & skf18("6","4","2","7","3","10","1") = "9"
    & skf18("6","4","2","7","4","1","1") = "6"
    & skf18("6","4","2","7","4","2","1") = "6"
    & skf18("6","4","2","7","4","3","1") = "6"
    & skf18("6","4","2","7","4","4","1") = "6"
    & skf18("6","4","2","7","4","5","1") = "6"
    & skf18("6","4","2","7","4","6","1") = "6"
    & skf18("6","4","2","7","4","7","1") = "6"
    & skf18("6","4","2","7","4","8","1") = "7"
    & skf18("6","4","2","7","4","9","1") = "8"
    & skf18("6","4","2","7","4","10","1") = "9"
    & skf18("6","4","2","7","5","1","1") = "6"
    & skf18("6","4","2","7","5","2","1") = "6"
    & skf18("6","4","2","7","5","3","1") = "6"
    & skf18("6","4","2","7","5","4","1") = "6"
    & skf18("6","4","2","7","5","5","1") = "6"
    & skf18("6","4","2","7","5","6","1") = "6"
    & skf18("6","4","2","7","5","7","1") = "6"
    & skf18("6","4","2","7","5","8","1") = "7"
    & skf18("6","4","2","7","5","9","1") = "8"
    & skf18("6","4","2","7","5","10","1") = "9"
    & skf18("6","4","2","7","6","1","1") = "6"
    & skf18("6","4","2","7","6","2","1") = "6"
    & skf18("6","4","2","7","6","3","1") = "6"
    & skf18("6","4","2","7","6","4","1") = "6"
    & skf18("6","4","2","7","6","5","1") = "6"
    & skf18("6","4","2","7","6","6","1") = "6"
    & skf18("6","4","2","7","6","7","1") = "6"
    & skf18("6","4","2","7","6","8","1") = "7"
    & skf18("6","4","2","7","6","9","1") = "8"
    & skf18("6","4","2","7","6","10","1") = "9"
    & skf18("6","4","2","7","7","1","1") = "6"
    & skf18("6","4","2","7","7","2","1") = "6"
    & skf18("6","4","2","7","7","3","1") = "6"
    & skf18("6","4","2","7","7","4","1") = "6"
    & skf18("6","4","2","7","7","5","1") = "6"
    & skf18("6","4","2","7","7","6","1") = "6"
    & skf18("6","4","2","7","7","7","1") = "6"
    & skf18("6","4","2","7","7","8","1") = "7"
    & skf18("6","4","2","7","7","9","1") = "8"
    & skf18("6","4","2","7","7","10","1") = "9"
    & skf18("6","4","2","7","8","1","1") = "7"
    & skf18("6","4","2","7","8","2","1") = "7"
    & skf18("6","4","2","7","8","3","1") = "7"
    & skf18("6","4","2","7","8","4","1") = "7"
    & skf18("6","4","2","7","8","5","1") = "7"
    & skf18("6","4","2","7","8","6","1") = "7"
    & skf18("6","4","2","7","8","7","1") = "7"
    & skf18("6","4","2","7","8","8","1") = "7"
    & skf18("6","4","2","7","8","9","1") = "8"
    & skf18("6","4","2","7","8","10","1") = "9"
    & skf18("6","4","2","7","9","1","1") = "8"
    & skf18("6","4","2","7","9","2","1") = "8"
    & skf18("6","4","2","7","9","3","1") = "8"
    & skf18("6","4","2","7","9","4","1") = "8"
    & skf18("6","4","2","7","9","5","1") = "8"
    & skf18("6","4","2","7","9","6","1") = "8"
    & skf18("6","4","2","7","9","7","1") = "8"
    & skf18("6","4","2","7","9","8","1") = "8"
    & skf18("6","4","2","7","9","9","1") = "8"
    & skf18("6","4","2","7","9","10","1") = "9"
    & skf18("6","4","2","7","10","1","1") = "9"
    & skf18("6","4","2","7","10","2","1") = "9"
    & skf18("6","4","2","7","10","3","1") = "9"
    & skf18("6","4","2","7","10","4","1") = "9"
    & skf18("6","4","2","7","10","5","1") = "9"
    & skf18("6","4","2","7","10","6","1") = "9"
    & skf18("6","4","2","7","10","7","1") = "9"
    & skf18("6","4","2","7","10","8","1") = "9"
    & skf18("6","4","2","7","10","9","1") = "9"
    & skf18("6","4","2","7","10","10","1") = "9"
    & skf18("6","4","2","8","1","1","1") = "7"
    & skf18("6","4","2","8","1","2","1") = "7"
    & skf18("6","4","2","8","1","3","1") = "7"
    & skf18("6","4","2","8","1","4","1") = "7"
    & skf18("6","4","2","8","1","5","1") = "7"
    & skf18("6","4","2","8","1","6","1") = "7"
    & skf18("6","4","2","8","1","7","1") = "7"
    & skf18("6","4","2","8","1","8","1") = "7"
    & skf18("6","4","2","8","1","9","1") = "8"
    & skf18("6","4","2","8","1","10","1") = "9"
    & skf18("6","4","2","8","2","1","1") = "7"
    & skf18("6","4","2","8","2","2","1") = "7"
    & skf18("6","4","2","8","2","3","1") = "7"
    & skf18("6","4","2","8","2","4","1") = "7"
    & skf18("6","4","2","8","2","5","1") = "7"
    & skf18("6","4","2","8","2","6","1") = "7"
    & skf18("6","4","2","8","2","7","1") = "7"
    & skf18("6","4","2","8","2","8","1") = "7"
    & skf18("6","4","2","8","2","9","1") = "8"
    & skf18("6","4","2","8","2","10","1") = "9"
    & skf18("6","4","2","8","3","1","1") = "7"
    & skf18("6","4","2","8","3","2","1") = "7"
    & skf18("6","4","2","8","3","3","1") = "7"
    & skf18("6","4","2","8","3","4","1") = "7"
    & skf18("6","4","2","8","3","5","1") = "7"
    & skf18("6","4","2","8","3","6","1") = "7"
    & skf18("6","4","2","8","3","7","1") = "7"
    & skf18("6","4","2","8","3","8","1") = "7"
    & skf18("6","4","2","8","3","9","1") = "8"
    & skf18("6","4","2","8","3","10","1") = "9"
    & skf18("6","4","2","8","4","1","1") = "7"
    & skf18("6","4","2","8","4","2","1") = "7"
    & skf18("6","4","2","8","4","3","1") = "7"
    & skf18("6","4","2","8","4","4","1") = "7"
    & skf18("6","4","2","8","4","5","1") = "7"
    & skf18("6","4","2","8","4","6","1") = "7"
    & skf18("6","4","2","8","4","7","1") = "7"
    & skf18("6","4","2","8","4","8","1") = "7"
    & skf18("6","4","2","8","4","9","1") = "8"
    & skf18("6","4","2","8","4","10","1") = "9"
    & skf18("6","4","2","8","5","1","1") = "7"
    & skf18("6","4","2","8","5","2","1") = "7"
    & skf18("6","4","2","8","5","3","1") = "7"
    & skf18("6","4","2","8","5","4","1") = "7"
    & skf18("6","4","2","8","5","5","1") = "7"
    & skf18("6","4","2","8","5","6","1") = "7"
    & skf18("6","4","2","8","5","7","1") = "7"
    & skf18("6","4","2","8","5","8","1") = "7"
    & skf18("6","4","2","8","5","9","1") = "8"
    & skf18("6","4","2","8","5","10","1") = "9"
    & skf18("6","4","2","8","6","1","1") = "7"
    & skf18("6","4","2","8","6","2","1") = "7"
    & skf18("6","4","2","8","6","3","1") = "7"
    & skf18("6","4","2","8","6","4","1") = "7"
    & skf18("6","4","2","8","6","5","1") = "7"
    & skf18("6","4","2","8","6","6","1") = "7"
    & skf18("6","4","2","8","6","7","1") = "7"
    & skf18("6","4","2","8","6","8","1") = "7"
    & skf18("6","4","2","8","6","9","1") = "8"
    & skf18("6","4","2","8","6","10","1") = "9"
    & skf18("6","4","2","8","7","1","1") = "7"
    & skf18("6","4","2","8","7","2","1") = "7"
    & skf18("6","4","2","8","7","3","1") = "7"
    & skf18("6","4","2","8","7","4","1") = "7"
    & skf18("6","4","2","8","7","5","1") = "7"
    & skf18("6","4","2","8","7","6","1") = "7"
    & skf18("6","4","2","8","7","7","1") = "7"
    & skf18("6","4","2","8","7","8","1") = "7"
    & skf18("6","4","2","8","7","9","1") = "8"
    & skf18("6","4","2","8","7","10","1") = "9"
    & skf18("6","4","2","8","8","1","1") = "7"
    & skf18("6","4","2","8","8","2","1") = "7"
    & skf18("6","4","2","8","8","3","1") = "7"
    & skf18("6","4","2","8","8","4","1") = "7"
    & skf18("6","4","2","8","8","5","1") = "7"
    & skf18("6","4","2","8","8","6","1") = "7"
    & skf18("6","4","2","8","8","7","1") = "7"
    & skf18("6","4","2","8","8","8","1") = "7"
    & skf18("6","4","2","8","8","9","1") = "8"
    & skf18("6","4","2","8","8","10","1") = "9"
    & skf18("6","4","2","8","9","1","1") = "8"
    & skf18("6","4","2","8","9","2","1") = "8"
    & skf18("6","4","2","8","9","3","1") = "8"
    & skf18("6","4","2","8","9","4","1") = "8"
    & skf18("6","4","2","8","9","5","1") = "8"
    & skf18("6","4","2","8","9","6","1") = "8"
    & skf18("6","4","2","8","9","7","1") = "8"
    & skf18("6","4","2","8","9","8","1") = "8"
    & skf18("6","4","2","8","9","9","1") = "8"
    & skf18("6","4","2","8","9","10","1") = "9"
    & skf18("6","4","2","8","10","1","1") = "9"
    & skf18("6","4","2","8","10","2","1") = "9"
    & skf18("6","4","2","8","10","3","1") = "9"
    & skf18("6","4","2","8","10","4","1") = "9"
    & skf18("6","4","2","8","10","5","1") = "9"
    & skf18("6","4","2","8","10","6","1") = "9"
    & skf18("6","4","2","8","10","7","1") = "9"
    & skf18("6","4","2","8","10","8","1") = "9"
    & skf18("6","4","2","8","10","9","1") = "9"
    & skf18("6","4","2","8","10","10","1") = "9"
    & skf18("6","4","2","9","1","1","1") = "8"
    & skf18("6","4","2","9","1","2","1") = "8"
    & skf18("6","4","2","9","1","3","1") = "8"
    & skf18("6","4","2","9","1","4","1") = "8"
    & skf18("6","4","2","9","1","5","1") = "8"
    & skf18("6","4","2","9","1","6","1") = "8"
    & skf18("6","4","2","9","1","7","1") = "8"
    & skf18("6","4","2","9","1","8","1") = "8"
    & skf18("6","4","2","9","1","9","1") = "8"
    & skf18("6","4","2","9","1","10","1") = "9"
    & skf18("6","4","2","9","2","1","1") = "8"
    & skf18("6","4","2","9","2","2","1") = "8"
    & skf18("6","4","2","9","2","3","1") = "8"
    & skf18("6","4","2","9","2","4","1") = "8"
    & skf18("6","4","2","9","2","5","1") = "8"
    & skf18("6","4","2","9","2","6","1") = "8"
    & skf18("6","4","2","9","2","7","1") = "8"
    & skf18("6","4","2","9","2","8","1") = "8"
    & skf18("6","4","2","9","2","9","1") = "8"
    & skf18("6","4","2","9","2","10","1") = "9"
    & skf18("6","4","2","9","3","1","1") = "8"
    & skf18("6","4","2","9","3","2","1") = "8"
    & skf18("6","4","2","9","3","3","1") = "8"
    & skf18("6","4","2","9","3","4","1") = "8"
    & skf18("6","4","2","9","3","5","1") = "8"
    & skf18("6","4","2","9","3","6","1") = "8"
    & skf18("6","4","2","9","3","7","1") = "8"
    & skf18("6","4","2","9","3","8","1") = "8"
    & skf18("6","4","2","9","3","9","1") = "8"
    & skf18("6","4","2","9","3","10","1") = "9"
    & skf18("6","4","2","9","4","1","1") = "8"
    & skf18("6","4","2","9","4","2","1") = "8"
    & skf18("6","4","2","9","4","3","1") = "8"
    & skf18("6","4","2","9","4","4","1") = "8"
    & skf18("6","4","2","9","4","5","1") = "8"
    & skf18("6","4","2","9","4","6","1") = "8"
    & skf18("6","4","2","9","4","7","1") = "8"
    & skf18("6","4","2","9","4","8","1") = "8"
    & skf18("6","4","2","9","4","9","1") = "8"
    & skf18("6","4","2","9","4","10","1") = "9"
    & skf18("6","4","2","9","5","1","1") = "8"
    & skf18("6","4","2","9","5","2","1") = "8"
    & skf18("6","4","2","9","5","3","1") = "8"
    & skf18("6","4","2","9","5","4","1") = "8"
    & skf18("6","4","2","9","5","5","1") = "8"
    & skf18("6","4","2","9","5","6","1") = "8"
    & skf18("6","4","2","9","5","7","1") = "8"
    & skf18("6","4","2","9","5","8","1") = "8"
    & skf18("6","4","2","9","5","9","1") = "8"
    & skf18("6","4","2","9","5","10","1") = "9"
    & skf18("6","4","2","9","6","1","1") = "8"
    & skf18("6","4","2","9","6","2","1") = "8"
    & skf18("6","4","2","9","6","3","1") = "8"
    & skf18("6","4","2","9","6","4","1") = "8"
    & skf18("6","4","2","9","6","5","1") = "8"
    & skf18("6","4","2","9","6","6","1") = "8"
    & skf18("6","4","2","9","6","7","1") = "8"
    & skf18("6","4","2","9","6","8","1") = "8"
    & skf18("6","4","2","9","6","9","1") = "8"
    & skf18("6","4","2","9","6","10","1") = "9"
    & skf18("6","4","2","9","7","1","1") = "8"
    & skf18("6","4","2","9","7","2","1") = "8"
    & skf18("6","4","2","9","7","3","1") = "8"
    & skf18("6","4","2","9","7","4","1") = "8"
    & skf18("6","4","2","9","7","5","1") = "8"
    & skf18("6","4","2","9","7","6","1") = "8"
    & skf18("6","4","2","9","7","7","1") = "8"
    & skf18("6","4","2","9","7","8","1") = "8"
    & skf18("6","4","2","9","7","9","1") = "8"
    & skf18("6","4","2","9","7","10","1") = "9"
    & skf18("6","4","2","9","8","1","1") = "8"
    & skf18("6","4","2","9","8","2","1") = "8"
    & skf18("6","4","2","9","8","3","1") = "8"
    & skf18("6","4","2","9","8","4","1") = "8"
    & skf18("6","4","2","9","8","5","1") = "8"
    & skf18("6","4","2","9","8","6","1") = "8"
    & skf18("6","4","2","9","8","7","1") = "8"
    & skf18("6","4","2","9","8","8","1") = "8"
    & skf18("6","4","2","9","8","9","1") = "8"
    & skf18("6","4","2","9","8","10","1") = "9"
    & skf18("6","4","2","9","9","1","1") = "8"
    & skf18("6","4","2","9","9","2","1") = "8"
    & skf18("6","4","2","9","9","3","1") = "8"
    & skf18("6","4","2","9","9","4","1") = "8"
    & skf18("6","4","2","9","9","5","1") = "8"
    & skf18("6","4","2","9","9","6","1") = "8"
    & skf18("6","4","2","9","9","7","1") = "8"
    & skf18("6","4","2","9","9","8","1") = "8"
    & skf18("6","4","2","9","9","9","1") = "8"
    & skf18("6","4","2","9","9","10","1") = "9"
    & skf18("6","4","2","9","10","1","1") = "9"
    & skf18("6","4","2","9","10","2","1") = "9"
    & skf18("6","4","2","9","10","3","1") = "9"
    & skf18("6","4","2","9","10","4","1") = "9"
    & skf18("6","4","2","9","10","5","1") = "9"
    & skf18("6","4","2","9","10","6","1") = "9"
    & skf18("6","4","2","9","10","7","1") = "9"
    & skf18("6","4","2","9","10","8","1") = "9"
    & skf18("6","4","2","9","10","9","1") = "9"
    & skf18("6","4","2","9","10","10","1") = "9"
    & skf18("6","4","2","10","1","1","1") = "9"
    & skf18("6","4","2","10","1","2","1") = "9"
    & skf18("6","4","2","10","1","3","1") = "9"
    & skf18("6","4","2","10","1","4","1") = "9"
    & skf18("6","4","2","10","1","5","1") = "9"
    & skf18("6","4","2","10","1","6","1") = "9"
    & skf18("6","4","2","10","1","7","1") = "9"
    & skf18("6","4","2","10","1","8","1") = "9"
    & skf18("6","4","2","10","1","9","1") = "9"
    & skf18("6","4","2","10","1","10","1") = "9"
    & skf18("6","4","2","10","2","1","1") = "9"
    & skf18("6","4","2","10","2","2","1") = "9"
    & skf18("6","4","2","10","2","3","1") = "9"
    & skf18("6","4","2","10","2","4","1") = "9"
    & skf18("6","4","2","10","2","5","1") = "9"
    & skf18("6","4","2","10","2","6","1") = "9"
    & skf18("6","4","2","10","2","7","1") = "9"
    & skf18("6","4","2","10","2","8","1") = "9"
    & skf18("6","4","2","10","2","9","1") = "9"
    & skf18("6","4","2","10","2","10","1") = "9"
    & skf18("6","4","2","10","3","1","1") = "9"
    & skf18("6","4","2","10","3","2","1") = "9"
    & skf18("6","4","2","10","3","3","1") = "9"
    & skf18("6","4","2","10","3","4","1") = "9"
    & skf18("6","4","2","10","3","5","1") = "9"
    & skf18("6","4","2","10","3","6","1") = "9"
    & skf18("6","4","2","10","3","7","1") = "9"
    & skf18("6","4","2","10","3","8","1") = "9"
    & skf18("6","4","2","10","3","9","1") = "9"
    & skf18("6","4","2","10","3","10","1") = "9"
    & skf18("6","4","2","10","4","1","1") = "9"
    & skf18("6","4","2","10","4","2","1") = "9"
    & skf18("6","4","2","10","4","3","1") = "9"
    & skf18("6","4","2","10","4","4","1") = "9"
    & skf18("6","4","2","10","4","5","1") = "9"
    & skf18("6","4","2","10","4","6","1") = "9"
    & skf18("6","4","2","10","4","7","1") = "9"
    & skf18("6","4","2","10","4","8","1") = "9"
    & skf18("6","4","2","10","4","9","1") = "9"
    & skf18("6","4","2","10","4","10","1") = "9"
    & skf18("6","4","2","10","5","1","1") = "9"
    & skf18("6","4","2","10","5","2","1") = "9"
    & skf18("6","4","2","10","5","3","1") = "9"
    & skf18("6","4","2","10","5","4","1") = "9"
    & skf18("6","4","2","10","5","5","1") = "9"
    & skf18("6","4","2","10","5","6","1") = "9"
    & skf18("6","4","2","10","5","7","1") = "9"
    & skf18("6","4","2","10","5","8","1") = "9"
    & skf18("6","4","2","10","5","9","1") = "9"
    & skf18("6","4","2","10","5","10","1") = "9"
    & skf18("6","4","2","10","6","1","1") = "9"
    & skf18("6","4","2","10","6","2","1") = "9"
    & skf18("6","4","2","10","6","3","1") = "9"
    & skf18("6","4","2","10","6","4","1") = "9"
    & skf18("6","4","2","10","6","5","1") = "9"
    & skf18("6","4","2","10","6","6","1") = "9"
    & skf18("6","4","2","10","6","7","1") = "9"
    & skf18("6","4","2","10","6","8","1") = "9"
    & skf18("6","4","2","10","6","9","1") = "9"
    & skf18("6","4","2","10","6","10","1") = "9"
    & skf18("6","4","2","10","7","1","1") = "9"
    & skf18("6","4","2","10","7","2","1") = "9"
    & skf18("6","4","2","10","7","3","1") = "9"
    & skf18("6","4","2","10","7","4","1") = "9"
    & skf18("6","4","2","10","7","5","1") = "9"
    & skf18("6","4","2","10","7","6","1") = "9"
    & skf18("6","4","2","10","7","7","1") = "9"
    & skf18("6","4","2","10","7","8","1") = "9"
    & skf18("6","4","2","10","7","9","1") = "9"
    & skf18("6","4","2","10","7","10","1") = "9"
    & skf18("6","4","2","10","8","1","1") = "9"
    & skf18("6","4","2","10","8","2","1") = "9"
    & skf18("6","4","2","10","8","3","1") = "9"
    & skf18("6","4","2","10","8","4","1") = "9"
    & skf18("6","4","2","10","8","5","1") = "9"
    & skf18("6","4","2","10","8","6","1") = "9"
    & skf18("6","4","2","10","8","7","1") = "9"
    & skf18("6","4","2","10","8","8","1") = "9"
    & skf18("6","4","2","10","8","9","1") = "9"
    & skf18("6","4","2","10","8","10","1") = "9"
    & skf18("6","4","2","10","9","1","1") = "9"
    & skf18("6","4","2","10","9","2","1") = "9"
    & skf18("6","4","2","10","9","3","1") = "9"
    & skf18("6","4","2","10","9","4","1") = "9"
    & skf18("6","4","2","10","9","5","1") = "9"
    & skf18("6","4","2","10","9","6","1") = "9"
    & skf18("6","4","2","10","9","7","1") = "9"
    & skf18("6","4","2","10","9","8","1") = "9"
    & skf18("6","4","2","10","9","9","1") = "9"
    & skf18("6","4","2","10","9","10","1") = "9"
    & skf18("6","4","2","10","10","1","1") = "9"
    & skf18("6","4","2","10","10","2","1") = "9"
    & skf18("6","4","2","10","10","3","1") = "9"
    & skf18("6","4","2","10","10","4","1") = "9"
    & skf18("6","4","2","10","10","5","1") = "9"
    & skf18("6","4","2","10","10","6","1") = "9"
    & skf18("6","4","2","10","10","7","1") = "9"
    & skf18("6","4","2","10","10","8","1") = "9"
    & skf18("6","4","2","10","10","9","1") = "9"
    & skf18("6","4","2","10","10","10","1") = "9"
    & skf18("6","4","3","1","1","1","1") = "5"
    & skf18("6","4","3","1","1","2","1") = "5"
    & skf18("6","4","3","1","1","3","1") = "5"
    & skf18("6","4","3","1","1","4","1") = "5"
    & skf18("6","4","3","1","1","5","1") = "5"
    & skf18("6","4","3","1","1","6","1") = "5"
    & skf18("6","4","3","1","1","7","1") = "6"
    & skf18("6","4","3","1","1","8","1") = "7"
    & skf18("6","4","3","1","1","9","1") = "8"
    & skf18("6","4","3","1","1","10","1") = "9"
    & skf18("6","4","3","1","2","1","1") = "5"
    & skf18("6","4","3","1","2","2","1") = "5"
    & skf18("6","4","3","1","2","3","1") = "5"
    & skf18("6","4","3","1","2","4","1") = "5"
    & skf18("6","4","3","1","2","5","1") = "5"
    & skf18("6","4","3","1","2","6","1") = "5"
    & skf18("6","4","3","1","2","7","1") = "6"
    & skf18("6","4","3","1","2","8","1") = "7"
    & skf18("6","4","3","1","2","9","1") = "8"
    & skf18("6","4","3","1","2","10","1") = "9"
    & skf18("6","4","3","1","3","1","1") = "5"
    & skf18("6","4","3","1","3","2","1") = "5"
    & skf18("6","4","3","1","3","3","1") = "5"
    & skf18("6","4","3","1","3","4","1") = "5"
    & skf18("6","4","3","1","3","5","1") = "5"
    & skf18("6","4","3","1","3","6","1") = "5"
    & skf18("6","4","3","1","3","7","1") = "6"
    & skf18("6","4","3","1","3","8","1") = "7"
    & skf18("6","4","3","1","3","9","1") = "8"
    & skf18("6","4","3","1","3","10","1") = "9"
    & skf18("6","4","3","1","4","1","1") = "5"
    & skf18("6","4","3","1","4","2","1") = "5"
    & skf18("6","4","3","1","4","3","1") = "5"
    & skf18("6","4","3","1","4","4","1") = "5"
    & skf18("6","4","3","1","4","5","1") = "5"
    & skf18("6","4","3","1","4","6","1") = "5"
    & skf18("6","4","3","1","4","7","1") = "6"
    & skf18("6","4","3","1","4","8","1") = "7"
    & skf18("6","4","3","1","4","9","1") = "8"
    & skf18("6","4","3","1","4","10","1") = "9"
    & skf18("6","4","3","1","5","1","1") = "5"
    & skf18("6","4","3","1","5","2","1") = "5"
    & skf18("6","4","3","1","5","3","1") = "5"
    & skf18("6","4","3","1","5","4","1") = "5"
    & skf18("6","4","3","1","5","5","1") = "5"
    & skf18("6","4","3","1","5","6","1") = "5"
    & skf18("6","4","3","1","5","7","1") = "6"
    & skf18("6","4","3","1","5","8","1") = "7"
    & skf18("6","4","3","1","5","9","1") = "8"
    & skf18("6","4","3","1","5","10","1") = "9"
    & skf18("6","4","3","1","6","1","1") = "5"
    & skf18("6","4","3","1","6","2","1") = "5"
    & skf18("6","4","3","1","6","3","1") = "5"
    & skf18("6","4","3","1","6","4","1") = "5"
    & skf18("6","4","3","1","6","5","1") = "5"
    & skf18("6","4","3","1","6","6","1") = "5"
    & skf18("6","4","3","1","6","7","1") = "6"
    & skf18("6","4","3","1","6","8","1") = "7"
    & skf18("6","4","3","1","6","9","1") = "8"
    & skf18("6","4","3","1","6","10","1") = "9"
    & skf18("6","4","3","1","7","1","1") = "6"
    & skf18("6","4","3","1","7","2","1") = "6"
    & skf18("6","4","3","1","7","3","1") = "6"
    & skf18("6","4","3","1","7","4","1") = "6"
    & skf18("6","4","3","1","7","5","1") = "6"
    & skf18("6","4","3","1","7","6","1") = "6"
    & skf18("6","4","3","1","7","7","1") = "6"
    & skf18("6","4","3","1","7","8","1") = "7"
    & skf18("6","4","3","1","7","9","1") = "8"
    & skf18("6","4","3","1","7","10","1") = "9"
    & skf18("6","4","3","1","8","1","1") = "7"
    & skf18("6","4","3","1","8","2","1") = "7"
    & skf18("6","4","3","1","8","3","1") = "7"
    & skf18("6","4","3","1","8","4","1") = "7"
    & skf18("6","4","3","1","8","5","1") = "7"
    & skf18("6","4","3","1","8","6","1") = "7"
    & skf18("6","4","3","1","8","7","1") = "7"
    & skf18("6","4","3","1","8","8","1") = "7"
    & skf18("6","4","3","1","8","9","1") = "8"
    & skf18("6","4","3","1","8","10","1") = "9"
    & skf18("6","4","3","1","9","1","1") = "8"
    & skf18("6","4","3","1","9","2","1") = "8"
    & skf18("6","4","3","1","9","3","1") = "8"
    & skf18("6","4","3","1","9","4","1") = "8"
    & skf18("6","4","3","1","9","5","1") = "8"
    & skf18("6","4","3","1","9","6","1") = "8"
    & skf18("6","4","3","1","9","7","1") = "8"
    & skf18("6","4","3","1","9","8","1") = "8"
    & skf18("6","4","3","1","9","9","1") = "8"
    & skf18("6","4","3","1","9","10","1") = "9"
    & skf18("6","4","3","1","10","1","1") = "9"
    & skf18("6","4","3","1","10","2","1") = "9"
    & skf18("6","4","3","1","10","3","1") = "9"
    & skf18("6","4","3","1","10","4","1") = "9"
    & skf18("6","4","3","1","10","5","1") = "9"
    & skf18("6","4","3","1","10","6","1") = "9"
    & skf18("6","4","3","1","10","7","1") = "9"
    & skf18("6","4","3","1","10","8","1") = "9"
    & skf18("6","4","3","1","10","9","1") = "9"
    & skf18("6","4","3","1","10","10","1") = "9"
    & skf18("6","4","3","2","1","1","1") = "5"
    & skf18("6","4","3","2","1","2","1") = "5"
    & skf18("6","4","3","2","1","3","1") = "5"
    & skf18("6","4","3","2","1","4","1") = "5"
    & skf18("6","4","3","2","1","5","1") = "5"
    & skf18("6","4","3","2","1","6","1") = "5"
    & skf18("6","4","3","2","1","7","1") = "6"
    & skf18("6","4","3","2","1","8","1") = "7"
    & skf18("6","4","3","2","1","9","1") = "8"
    & skf18("6","4","3","2","1","10","1") = "9"
    & skf18("6","4","3","2","2","1","1") = "5"
    & skf18("6","4","3","2","2","2","1") = "5"
    & skf18("6","4","3","2","2","3","1") = "5"
    & skf18("6","4","3","2","2","4","1") = "5"
    & skf18("6","4","3","2","2","5","1") = "5"
    & skf18("6","4","3","2","2","6","1") = "5"
    & skf18("6","4","3","2","2","7","1") = "6"
    & skf18("6","4","3","2","2","8","1") = "7"
    & skf18("6","4","3","2","2","9","1") = "8"
    & skf18("6","4","3","2","2","10","1") = "9"
    & skf18("6","4","3","2","3","1","1") = "5"
    & skf18("6","4","3","2","3","2","1") = "5"
    & skf18("6","4","3","2","3","3","1") = "5"
    & skf18("6","4","3","2","3","4","1") = "5"
    & skf18("6","4","3","2","3","5","1") = "5"
    & skf18("6","4","3","2","3","6","1") = "5"
    & skf18("6","4","3","2","3","7","1") = "6"
    & skf18("6","4","3","2","3","8","1") = "7"
    & skf18("6","4","3","2","3","9","1") = "8"
    & skf18("6","4","3","2","3","10","1") = "9"
    & skf18("6","4","3","2","4","1","1") = "5"
    & skf18("6","4","3","2","4","2","1") = "5"
    & skf18("6","4","3","2","4","3","1") = "5"
    & skf18("6","4","3","2","4","4","1") = "5"
    & skf18("6","4","3","2","4","5","1") = "5"
    & skf18("6","4","3","2","4","6","1") = "5"
    & skf18("6","4","3","2","4","7","1") = "6"
    & skf18("6","4","3","2","4","8","1") = "7"
    & skf18("6","4","3","2","4","9","1") = "8"
    & skf18("6","4","3","2","4","10","1") = "9"
    & skf18("6","4","3","2","5","1","1") = "5"
    & skf18("6","4","3","2","5","2","1") = "5"
    & skf18("6","4","3","2","5","3","1") = "5"
    & skf18("6","4","3","2","5","4","1") = "5"
    & skf18("6","4","3","2","5","5","1") = "5"
    & skf18("6","4","3","2","5","6","1") = "5"
    & skf18("6","4","3","2","5","7","1") = "6"
    & skf18("6","4","3","2","5","8","1") = "7"
    & skf18("6","4","3","2","5","9","1") = "8"
    & skf18("6","4","3","2","5","10","1") = "9"
    & skf18("6","4","3","2","6","1","1") = "5"
    & skf18("6","4","3","2","6","2","1") = "5"
    & skf18("6","4","3","2","6","3","1") = "5"
    & skf18("6","4","3","2","6","4","1") = "5"
    & skf18("6","4","3","2","6","5","1") = "5"
    & skf18("6","4","3","2","6","6","1") = "5"
    & skf18("6","4","3","2","6","7","1") = "6"
    & skf18("6","4","3","2","6","8","1") = "7"
    & skf18("6","4","3","2","6","9","1") = "8"
    & skf18("6","4","3","2","6","10","1") = "9"
    & skf18("6","4","3","2","7","1","1") = "6"
    & skf18("6","4","3","2","7","2","1") = "6"
    & skf18("6","4","3","2","7","3","1") = "6"
    & skf18("6","4","3","2","7","4","1") = "6"
    & skf18("6","4","3","2","7","5","1") = "6"
    & skf18("6","4","3","2","7","6","1") = "6"
    & skf18("6","4","3","2","7","7","1") = "6"
    & skf18("6","4","3","2","7","8","1") = "7"
    & skf18("6","4","3","2","7","9","1") = "8"
    & skf18("6","4","3","2","7","10","1") = "9"
    & skf18("6","4","3","2","8","1","1") = "7"
    & skf18("6","4","3","2","8","2","1") = "7"
    & skf18("6","4","3","2","8","3","1") = "7"
    & skf18("6","4","3","2","8","4","1") = "7"
    & skf18("6","4","3","2","8","5","1") = "7"
    & skf18("6","4","3","2","8","6","1") = "7"
    & skf18("6","4","3","2","8","7","1") = "7"
    & skf18("6","4","3","2","8","8","1") = "7"
    & skf18("6","4","3","2","8","9","1") = "8"
    & skf18("6","4","3","2","8","10","1") = "9"
    & skf18("6","4","3","2","9","1","1") = "8"
    & skf18("6","4","3","2","9","2","1") = "8"
    & skf18("6","4","3","2","9","3","1") = "8"
    & skf18("6","4","3","2","9","4","1") = "8"
    & skf18("6","4","3","2","9","5","1") = "8"
    & skf18("6","4","3","2","9","6","1") = "8"
    & skf18("6","4","3","2","9","7","1") = "8"
    & skf18("6","4","3","2","9","8","1") = "8"
    & skf18("6","4","3","2","9","9","1") = "8"
    & skf18("6","4","3","2","9","10","1") = "9"
    & skf18("6","4","3","2","10","1","1") = "9"
    & skf18("6","4","3","2","10","2","1") = "9"
    & skf18("6","4","3","2","10","3","1") = "9"
    & skf18("6","4","3","2","10","4","1") = "9"
    & skf18("6","4","3","2","10","5","1") = "9"
    & skf18("6","4","3","2","10","6","1") = "9"
    & skf18("6","4","3","2","10","7","1") = "9"
    & skf18("6","4","3","2","10","8","1") = "9"
    & skf18("6","4","3","2","10","9","1") = "9"
    & skf18("6","4","3","2","10","10","1") = "9"
    & skf18("6","4","3","3","1","1","1") = "5"
    & skf18("6","4","3","3","1","2","1") = "5"
    & skf18("6","4","3","3","1","3","1") = "5"
    & skf18("6","4","3","3","1","4","1") = "5"
    & skf18("6","4","3","3","1","5","1") = "5"
    & skf18("6","4","3","3","1","6","1") = "5"
    & skf18("6","4","3","3","1","7","1") = "6"
    & skf18("6","4","3","3","1","8","1") = "7"
    & skf18("6","4","3","3","1","9","1") = "8"
    & skf18("6","4","3","3","1","10","1") = "9"
    & skf18("6","4","3","3","2","1","1") = "5"
    & skf18("6","4","3","3","2","2","1") = "5"
    & skf18("6","4","3","3","2","3","1") = "5"
    & skf18("6","4","3","3","2","4","1") = "5"
    & skf18("6","4","3","3","2","5","1") = "5"
    & skf18("6","4","3","3","2","6","1") = "5"
    & skf18("6","4","3","3","2","7","1") = "6"
    & skf18("6","4","3","3","2","8","1") = "7"
    & skf18("6","4","3","3","2","9","1") = "8"
    & skf18("6","4","3","3","2","10","1") = "9"
    & skf18("6","4","3","3","3","1","1") = "5"
    & skf18("6","4","3","3","3","2","1") = "5"
    & skf18("6","4","3","3","3","3","1") = "5"
    & skf18("6","4","3","3","3","4","1") = "5"
    & skf18("6","4","3","3","3","5","1") = "5"
    & skf18("6","4","3","3","3","6","1") = "5"
    & skf18("6","4","3","3","3","7","1") = "6"
    & skf18("6","4","3","3","3","8","1") = "7"
    & skf18("6","4","3","3","3","9","1") = "8"
    & skf18("6","4","3","3","3","10","1") = "9"
    & skf18("6","4","3","3","4","1","1") = "5"
    & skf18("6","4","3","3","4","2","1") = "5"
    & skf18("6","4","3","3","4","3","1") = "5"
    & skf18("6","4","3","3","4","4","1") = "5"
    & skf18("6","4","3","3","4","5","1") = "5"
    & skf18("6","4","3","3","4","6","1") = "5"
    & skf18("6","4","3","3","4","7","1") = "6"
    & skf18("6","4","3","3","4","8","1") = "7"
    & skf18("6","4","3","3","4","9","1") = "8"
    & skf18("6","4","3","3","4","10","1") = "9"
    & skf18("6","4","3","3","5","1","1") = "5"
    & skf18("6","4","3","3","5","2","1") = "5"
    & skf18("6","4","3","3","5","3","1") = "5"
    & skf18("6","4","3","3","5","4","1") = "5"
    & skf18("6","4","3","3","5","5","1") = "5"
    & skf18("6","4","3","3","5","6","1") = "5"
    & skf18("6","4","3","3","5","7","1") = "6"
    & skf18("6","4","3","3","5","8","1") = "7"
    & skf18("6","4","3","3","5","9","1") = "8"
    & skf18("6","4","3","3","5","10","1") = "9"
    & skf18("6","4","3","3","6","1","1") = "5"
    & skf18("6","4","3","3","6","2","1") = "5"
    & skf18("6","4","3","3","6","3","1") = "5"
    & skf18("6","4","3","3","6","4","1") = "5"
    & skf18("6","4","3","3","6","5","1") = "5"
    & skf18("6","4","3","3","6","6","1") = "5"
    & skf18("6","4","3","3","6","7","1") = "6"
    & skf18("6","4","3","3","6","8","1") = "7"
    & skf18("6","4","3","3","6","9","1") = "8"
    & skf18("6","4","3","3","6","10","1") = "9"
    & skf18("6","4","3","3","7","1","1") = "6"
    & skf18("6","4","3","3","7","2","1") = "6"
    & skf18("6","4","3","3","7","3","1") = "6"
    & skf18("6","4","3","3","7","4","1") = "6"
    & skf18("6","4","3","3","7","5","1") = "6"
    & skf18("6","4","3","3","7","6","1") = "6"
    & skf18("6","4","3","3","7","7","1") = "6"
    & skf18("6","4","3","3","7","8","1") = "7"
    & skf18("6","4","3","3","7","9","1") = "8"
    & skf18("6","4","3","3","7","10","1") = "9"
    & skf18("6","4","3","3","8","1","1") = "7"
    & skf18("6","4","3","3","8","2","1") = "7"
    & skf18("6","4","3","3","8","3","1") = "7"
    & skf18("6","4","3","3","8","4","1") = "7"
    & skf18("6","4","3","3","8","5","1") = "7"
    & skf18("6","4","3","3","8","6","1") = "7"
    & skf18("6","4","3","3","8","7","1") = "7"
    & skf18("6","4","3","3","8","8","1") = "7"
    & skf18("6","4","3","3","8","9","1") = "8"
    & skf18("6","4","3","3","8","10","1") = "9"
    & skf18("6","4","3","3","9","1","1") = "8"
    & skf18("6","4","3","3","9","2","1") = "8"
    & skf18("6","4","3","3","9","3","1") = "8"
    & skf18("6","4","3","3","9","4","1") = "8"
    & skf18("6","4","3","3","9","5","1") = "8"
    & skf18("6","4","3","3","9","6","1") = "8"
    & skf18("6","4","3","3","9","7","1") = "8"
    & skf18("6","4","3","3","9","8","1") = "8"
    & skf18("6","4","3","3","9","9","1") = "8"
    & skf18("6","4","3","3","9","10","1") = "9"
    & skf18("6","4","3","3","10","1","1") = "9"
    & skf18("6","4","3","3","10","2","1") = "9"
    & skf18("6","4","3","3","10","3","1") = "9"
    & skf18("6","4","3","3","10","4","1") = "9"
    & skf18("6","4","3","3","10","5","1") = "9"
    & skf18("6","4","3","3","10","6","1") = "9"
    & skf18("6","4","3","3","10","7","1") = "9"
    & skf18("6","4","3","3","10","8","1") = "9"
    & skf18("6","4","3","3","10","9","1") = "9"
    & skf18("6","4","3","3","10","10","1") = "9"
    & skf18("6","4","3","4","1","1","1") = "5"
    & skf18("6","4","3","4","1","2","1") = "5"
    & skf18("6","4","3","4","1","3","1") = "5"
    & skf18("6","4","3","4","1","4","1") = "5"
    & skf18("6","4","3","4","1","5","1") = "5"
    & skf18("6","4","3","4","1","6","1") = "5"
    & skf18("6","4","3","4","1","7","1") = "6"
    & skf18("6","4","3","4","1","8","1") = "7"
    & skf18("6","4","3","4","1","9","1") = "8"
    & skf18("6","4","3","4","1","10","1") = "9"
    & skf18("6","4","3","4","2","1","1") = "5"
    & skf18("6","4","3","4","2","2","1") = "5"
    & skf18("6","4","3","4","2","3","1") = "5"
    & skf18("6","4","3","4","2","4","1") = "5"
    & skf18("6","4","3","4","2","5","1") = "5"
    & skf18("6","4","3","4","2","6","1") = "5"
    & skf18("6","4","3","4","2","7","1") = "6"
    & skf18("6","4","3","4","2","8","1") = "7"
    & skf18("6","4","3","4","2","9","1") = "8"
    & skf18("6","4","3","4","2","10","1") = "9"
    & skf18("6","4","3","4","3","1","1") = "5"
    & skf18("6","4","3","4","3","2","1") = "5"
    & skf18("6","4","3","4","3","3","1") = "5"
    & skf18("6","4","3","4","3","4","1") = "5"
    & skf18("6","4","3","4","3","5","1") = "5"
    & skf18("6","4","3","4","3","6","1") = "5"
    & skf18("6","4","3","4","3","7","1") = "6"
    & skf18("6","4","3","4","3","8","1") = "7"
    & skf18("6","4","3","4","3","9","1") = "8"
    & skf18("6","4","3","4","3","10","1") = "9"
    & skf18("6","4","3","4","4","1","1") = "5"
    & skf18("6","4","3","4","4","2","1") = "5"
    & skf18("6","4","3","4","4","3","1") = "5"
    & skf18("6","4","3","4","4","4","1") = "5"
    & skf18("6","4","3","4","4","5","1") = "5"
    & skf18("6","4","3","4","4","6","1") = "5"
    & skf18("6","4","3","4","4","7","1") = "6"
    & skf18("6","4","3","4","4","8","1") = "7"
    & skf18("6","4","3","4","4","9","1") = "8"
    & skf18("6","4","3","4","4","10","1") = "9"
    & skf18("6","4","3","4","5","1","1") = "5"
    & skf18("6","4","3","4","5","2","1") = "5"
    & skf18("6","4","3","4","5","3","1") = "5"
    & skf18("6","4","3","4","5","4","1") = "5"
    & skf18("6","4","3","4","5","5","1") = "5"
    & skf18("6","4","3","4","5","6","1") = "5"
    & skf18("6","4","3","4","5","7","1") = "6"
    & skf18("6","4","3","4","5","8","1") = "7"
    & skf18("6","4","3","4","5","9","1") = "8"
    & skf18("6","4","3","4","5","10","1") = "9"
    & skf18("6","4","3","4","6","1","1") = "5"
    & skf18("6","4","3","4","6","2","1") = "5"
    & skf18("6","4","3","4","6","3","1") = "5"
    & skf18("6","4","3","4","6","4","1") = "5"
    & skf18("6","4","3","4","6","5","1") = "5"
    & skf18("6","4","3","4","6","6","1") = "5"
    & skf18("6","4","3","4","6","7","1") = "6"
    & skf18("6","4","3","4","6","8","1") = "7"
    & skf18("6","4","3","4","6","9","1") = "8"
    & skf18("6","4","3","4","6","10","1") = "9"
    & skf18("6","4","3","4","7","1","1") = "6"
    & skf18("6","4","3","4","7","2","1") = "6"
    & skf18("6","4","3","4","7","3","1") = "6"
    & skf18("6","4","3","4","7","4","1") = "6"
    & skf18("6","4","3","4","7","5","1") = "6"
    & skf18("6","4","3","4","7","6","1") = "6"
    & skf18("6","4","3","4","7","7","1") = "6"
    & skf18("6","4","3","4","7","8","1") = "7"
    & skf18("6","4","3","4","7","9","1") = "8"
    & skf18("6","4","3","4","7","10","1") = "9"
    & skf18("6","4","3","4","8","1","1") = "7"
    & skf18("6","4","3","4","8","2","1") = "7"
    & skf18("6","4","3","4","8","3","1") = "7"
    & skf18("6","4","3","4","8","4","1") = "7"
    & skf18("6","4","3","4","8","5","1") = "7"
    & skf18("6","4","3","4","8","6","1") = "7"
    & skf18("6","4","3","4","8","7","1") = "7"
    & skf18("6","4","3","4","8","8","1") = "7"
    & skf18("6","4","3","4","8","9","1") = "8"
    & skf18("6","4","3","4","8","10","1") = "9"
    & skf18("6","4","3","4","9","1","1") = "8"
    & skf18("6","4","3","4","9","2","1") = "8"
    & skf18("6","4","3","4","9","3","1") = "8"
    & skf18("6","4","3","4","9","4","1") = "8"
    & skf18("6","4","3","4","9","5","1") = "8"
    & skf18("6","4","3","4","9","6","1") = "8"
    & skf18("6","4","3","4","9","7","1") = "8"
    & skf18("6","4","3","4","9","8","1") = "8"
    & skf18("6","4","3","4","9","9","1") = "8"
    & skf18("6","4","3","4","9","10","1") = "9"
    & skf18("6","4","3","4","10","1","1") = "9"
    & skf18("6","4","3","4","10","2","1") = "9"
    & skf18("6","4","3","4","10","3","1") = "9"
    & skf18("6","4","3","4","10","4","1") = "9"
    & skf18("6","4","3","4","10","5","1") = "9"
    & skf18("6","4","3","4","10","6","1") = "9"
    & skf18("6","4","3","4","10","7","1") = "9"
    & skf18("6","4","3","4","10","8","1") = "9"
    & skf18("6","4","3","4","10","9","1") = "9"
    & skf18("6","4","3","4","10","10","1") = "9"
    & skf18("6","4","3","5","1","1","1") = "5"
    & skf18("6","4","3","5","1","2","1") = "5"
    & skf18("6","4","3","5","1","3","1") = "5"
    & skf18("6","4","3","5","1","4","1") = "5"
    & skf18("6","4","3","5","1","5","1") = "5"
    & skf18("6","4","3","5","1","6","1") = "5"
    & skf18("6","4","3","5","1","7","1") = "6"
    & skf18("6","4","3","5","1","8","1") = "7"
    & skf18("6","4","3","5","1","9","1") = "8"
    & skf18("6","4","3","5","1","10","1") = "9"
    & skf18("6","4","3","5","2","1","1") = "5"
    & skf18("6","4","3","5","2","2","1") = "5"
    & skf18("6","4","3","5","2","3","1") = "5"
    & skf18("6","4","3","5","2","4","1") = "5"
    & skf18("6","4","3","5","2","5","1") = "5"
    & skf18("6","4","3","5","2","6","1") = "5"
    & skf18("6","4","3","5","2","7","1") = "6"
    & skf18("6","4","3","5","2","8","1") = "7"
    & skf18("6","4","3","5","2","9","1") = "8"
    & skf18("6","4","3","5","2","10","1") = "9"
    & skf18("6","4","3","5","3","1","1") = "5"
    & skf18("6","4","3","5","3","2","1") = "5"
    & skf18("6","4","3","5","3","3","1") = "5"
    & skf18("6","4","3","5","3","4","1") = "5"
    & skf18("6","4","3","5","3","5","1") = "5"
    & skf18("6","4","3","5","3","6","1") = "5"
    & skf18("6","4","3","5","3","7","1") = "6"
    & skf18("6","4","3","5","3","8","1") = "7"
    & skf18("6","4","3","5","3","9","1") = "8"
    & skf18("6","4","3","5","3","10","1") = "9"
    & skf18("6","4","3","5","4","1","1") = "5"
    & skf18("6","4","3","5","4","2","1") = "5"
    & skf18("6","4","3","5","4","3","1") = "5"
    & skf18("6","4","3","5","4","4","1") = "5"
    & skf18("6","4","3","5","4","5","1") = "5"
    & skf18("6","4","3","5","4","6","1") = "5"
    & skf18("6","4","3","5","4","7","1") = "6"
    & skf18("6","4","3","5","4","8","1") = "7"
    & skf18("6","4","3","5","4","9","1") = "8"
    & skf18("6","4","3","5","4","10","1") = "9"
    & skf18("6","4","3","5","5","1","1") = "5"
    & skf18("6","4","3","5","5","2","1") = "5"
    & skf18("6","4","3","5","5","3","1") = "5"
    & skf18("6","4","3","5","5","4","1") = "5"
    & skf18("6","4","3","5","5","5","1") = "5"
    & skf18("6","4","3","5","5","6","1") = "5"
    & skf18("6","4","3","5","5","7","1") = "6"
    & skf18("6","4","3","5","5","8","1") = "7"
    & skf18("6","4","3","5","5","9","1") = "8"
    & skf18("6","4","3","5","5","10","1") = "9"
    & skf18("6","4","3","5","6","1","1") = "5"
    & skf18("6","4","3","5","6","2","1") = "5"
    & skf18("6","4","3","5","6","3","1") = "5"
    & skf18("6","4","3","5","6","4","1") = "5"
    & skf18("6","4","3","5","6","5","1") = "5"
    & skf18("6","4","3","5","6","6","1") = "5"
    & skf18("6","4","3","5","6","7","1") = "6"
    & skf18("6","4","3","5","6","8","1") = "7"
    & skf18("6","4","3","5","6","9","1") = "8"
    & skf18("6","4","3","5","6","10","1") = "9"
    & skf18("6","4","3","5","7","1","1") = "6"
    & skf18("6","4","3","5","7","2","1") = "6"
    & skf18("6","4","3","5","7","3","1") = "6"
    & skf18("6","4","3","5","7","4","1") = "6"
    & skf18("6","4","3","5","7","5","1") = "6"
    & skf18("6","4","3","5","7","6","1") = "6"
    & skf18("6","4","3","5","7","7","1") = "6"
    & skf18("6","4","3","5","7","8","1") = "7"
    & skf18("6","4","3","5","7","9","1") = "8"
    & skf18("6","4","3","5","7","10","1") = "9"
    & skf18("6","4","3","5","8","1","1") = "7"
    & skf18("6","4","3","5","8","2","1") = "7"
    & skf18("6","4","3","5","8","3","1") = "7"
    & skf18("6","4","3","5","8","4","1") = "7"
    & skf18("6","4","3","5","8","5","1") = "7"
    & skf18("6","4","3","5","8","6","1") = "7"
    & skf18("6","4","3","5","8","7","1") = "7"
    & skf18("6","4","3","5","8","8","1") = "7"
    & skf18("6","4","3","5","8","9","1") = "8"
    & skf18("6","4","3","5","8","10","1") = "9"
    & skf18("6","4","3","5","9","1","1") = "8"
    & skf18("6","4","3","5","9","2","1") = "8"
    & skf18("6","4","3","5","9","3","1") = "8"
    & skf18("6","4","3","5","9","4","1") = "8"
    & skf18("6","4","3","5","9","5","1") = "8"
    & skf18("6","4","3","5","9","6","1") = "8"
    & skf18("6","4","3","5","9","7","1") = "8"
    & skf18("6","4","3","5","9","8","1") = "8"
    & skf18("6","4","3","5","9","9","1") = "8"
    & skf18("6","4","3","5","9","10","1") = "9"
    & skf18("6","4","3","5","10","1","1") = "9"
    & skf18("6","4","3","5","10","2","1") = "9"
    & skf18("6","4","3","5","10","3","1") = "9"
    & skf18("6","4","3","5","10","4","1") = "9"
    & skf18("6","4","3","5","10","5","1") = "9"
    & skf18("6","4","3","5","10","6","1") = "9"
    & skf18("6","4","3","5","10","7","1") = "9"
    & skf18("6","4","3","5","10","8","1") = "9"
    & skf18("6","4","3","5","10","9","1") = "9"
    & skf18("6","4","3","5","10","10","1") = "9"
    & skf18("6","4","3","6","1","1","1") = "5"
    & skf18("6","4","3","6","1","2","1") = "5"
    & skf18("6","4","3","6","1","3","1") = "5"
    & skf18("6","4","3","6","1","4","1") = "5"
    & skf18("6","4","3","6","1","5","1") = "5"
    & skf18("6","4","3","6","1","6","1") = "5"
    & skf18("6","4","3","6","1","7","1") = "6"
    & skf18("6","4","3","6","1","8","1") = "7"
    & skf18("6","4","3","6","1","9","1") = "8"
    & skf18("6","4","3","6","1","10","1") = "9"
    & skf18("6","4","3","6","2","1","1") = "5"
    & skf18("6","4","3","6","2","2","1") = "5"
    & skf18("6","4","3","6","2","3","1") = "5"
    & skf18("6","4","3","6","2","4","1") = "5"
    & skf18("6","4","3","6","2","5","1") = "5"
    & skf18("6","4","3","6","2","6","1") = "5"
    & skf18("6","4","3","6","2","7","1") = "6"
    & skf18("6","4","3","6","2","8","1") = "7"
    & skf18("6","4","3","6","2","9","1") = "8"
    & skf18("6","4","3","6","2","10","1") = "9"
    & skf18("6","4","3","6","3","1","1") = "5"
    & skf18("6","4","3","6","3","2","1") = "5"
    & skf18("6","4","3","6","3","3","1") = "5"
    & skf18("6","4","3","6","3","4","1") = "5"
    & skf18("6","4","3","6","3","5","1") = "5"
    & skf18("6","4","3","6","3","6","1") = "5"
    & skf18("6","4","3","6","3","7","1") = "6"
    & skf18("6","4","3","6","3","8","1") = "7"
    & skf18("6","4","3","6","3","9","1") = "8"
    & skf18("6","4","3","6","3","10","1") = "9"
    & skf18("6","4","3","6","4","1","1") = "5"
    & skf18("6","4","3","6","4","2","1") = "5"
    & skf18("6","4","3","6","4","3","1") = "5"
    & skf18("6","4","3","6","4","4","1") = "5"
    & skf18("6","4","3","6","4","5","1") = "5"
    & skf18("6","4","3","6","4","6","1") = "5"
    & skf18("6","4","3","6","4","7","1") = "6"
    & skf18("6","4","3","6","4","8","1") = "7"
    & skf18("6","4","3","6","4","9","1") = "8"
    & skf18("6","4","3","6","4","10","1") = "9"
    & skf18("6","4","3","6","5","1","1") = "5"
    & skf18("6","4","3","6","5","2","1") = "5"
    & skf18("6","4","3","6","5","3","1") = "4"
    & skf18("6","4","3","6","5","4","1") = "5"
    & skf18("6","4","3","6","5","5","1") = "5"
    & skf18("6","4","3","6","5","6","1") = "5"
    & skf18("6","4","3","6","5","7","1") = "6"
    & skf18("6","4","3","6","5","8","1") = "7"
    & skf18("6","4","3","6","5","9","1") = "8"
    & skf18("6","4","3","6","5","10","1") = "9"
    & skf18("6","4","3","6","6","1","1") = "5"
    & skf18("6","4","3","6","6","2","1") = "5"
    & skf18("6","4","3","6","6","3","1") = "5"
    & skf18("6","4","3","6","6","4","1") = "5"
    & skf18("6","4","3","6","6","5","1") = "5"
    & skf18("6","4","3","6","6","6","1") = "5"
    & skf18("6","4","3","6","6","7","1") = "6"
    & skf18("6","4","3","6","6","8","1") = "7"
    & skf18("6","4","3","6","6","9","1") = "8"
    & skf18("6","4","3","6","6","10","1") = "9"
    & skf18("6","4","3","6","7","1","1") = "6"
    & skf18("6","4","3","6","7","2","1") = "6"
    & skf18("6","4","3","6","7","3","1") = "6"
    & skf18("6","4","3","6","7","4","1") = "6"
    & skf18("6","4","3","6","7","5","1") = "6"
    & skf18("6","4","3","6","7","6","1") = "6"
    & skf18("6","4","3","6","7","7","1") = "6"
    & skf18("6","4","3","6","7","8","1") = "7"
    & skf18("6","4","3","6","7","9","1") = "8"
    & skf18("6","4","3","6","7","10","1") = "9"
    & skf18("6","4","3","6","8","1","1") = "7"
    & skf18("6","4","3","6","8","2","1") = "7"
    & skf18("6","4","3","6","8","3","1") = "7"
    & skf18("6","4","3","6","8","4","1") = "7"
    & skf18("6","4","3","6","8","5","1") = "7"
    & skf18("6","4","3","6","8","6","1") = "7"
    & skf18("6","4","3","6","8","7","1") = "7"
    & skf18("6","4","3","6","8","8","1") = "7"
    & skf18("6","4","3","6","8","9","1") = "8"
    & skf18("6","4","3","6","8","10","1") = "9"
    & skf18("6","4","3","6","9","1","1") = "8"
    & skf18("6","4","3","6","9","2","1") = "8"
    & skf18("6","4","3","6","9","3","1") = "8"
    & skf18("6","4","3","6","9","4","1") = "8"
    & skf18("6","4","3","6","9","5","1") = "8"
    & skf18("6","4","3","6","9","6","1") = "8"
    & skf18("6","4","3","6","9","7","1") = "8"
    & skf18("6","4","3","6","9","8","1") = "8"
    & skf18("6","4","3","6","9","9","1") = "8"
    & skf18("6","4","3","6","9","10","1") = "9"
    & skf18("6","4","3","6","10","1","1") = "9"
    & skf18("6","4","3","6","10","2","1") = "9"
    & skf18("6","4","3","6","10","3","1") = "9"
    & skf18("6","4","3","6","10","4","1") = "9"
    & skf18("6","4","3","6","10","5","1") = "9"
    & skf18("6","4","3","6","10","6","1") = "9"
    & skf18("6","4","3","6","10","7","1") = "9"
    & skf18("6","4","3","6","10","8","1") = "9"
    & skf18("6","4","3","6","10","9","1") = "9"
    & skf18("6","4","3","6","10","10","1") = "9"
    & skf18("6","4","3","7","1","1","1") = "6"
    & skf18("6","4","3","7","1","2","1") = "6"
    & skf18("6","4","3","7","1","3","1") = "6"
    & skf18("6","4","3","7","1","4","1") = "6"
    & skf18("6","4","3","7","1","5","1") = "6"
    & skf18("6","4","3","7","1","6","1") = "6"
    & skf18("6","4","3","7","1","7","1") = "6"
    & skf18("6","4","3","7","1","8","1") = "7"
    & skf18("6","4","3","7","1","9","1") = "8"
    & skf18("6","4","3","7","1","10","1") = "9"
    & skf18("6","4","3","7","2","1","1") = "6"
    & skf18("6","4","3","7","2","2","1") = "6"
    & skf18("6","4","3","7","2","3","1") = "6"
    & skf18("6","4","3","7","2","4","1") = "6"
    & skf18("6","4","3","7","2","5","1") = "6"
    & skf18("6","4","3","7","2","6","1") = "6"
    & skf18("6","4","3","7","2","7","1") = "6"
    & skf18("6","4","3","7","2","8","1") = "7"
    & skf18("6","4","3","7","2","9","1") = "8"
    & skf18("6","4","3","7","2","10","1") = "9"
    & skf18("6","4","3","7","3","1","1") = "6"
    & skf18("6","4","3","7","3","2","1") = "6"
    & skf18("6","4","3","7","3","3","1") = "6"
    & skf18("6","4","3","7","3","4","1") = "6"
    & skf18("6","4","3","7","3","5","1") = "6"
    & skf18("6","4","3","7","3","6","1") = "6"
    & skf18("6","4","3","7","3","7","1") = "6"
    & skf18("6","4","3","7","3","8","1") = "7"
    & skf18("6","4","3","7","3","9","1") = "8"
    & skf18("6","4","3","7","3","10","1") = "9"
    & skf18("6","4","3","7","4","1","1") = "6"
    & skf18("6","4","3","7","4","2","1") = "6"
    & skf18("6","4","3","7","4","3","1") = "6"
    & skf18("6","4","3","7","4","4","1") = "6"
    & skf18("6","4","3","7","4","5","1") = "6"
    & skf18("6","4","3","7","4","6","1") = "6"
    & skf18("6","4","3","7","4","7","1") = "6"
    & skf18("6","4","3","7","4","8","1") = "7"
    & skf18("6","4","3","7","4","9","1") = "8"
    & skf18("6","4","3","7","4","10","1") = "9"
    & skf18("6","4","3","7","5","1","1") = "6"
    & skf18("6","4","3","7","5","2","1") = "6"
    & skf18("6","4","3","7","5","3","1") = "6"
    & skf18("6","4","3","7","5","4","1") = "6"
    & skf18("6","4","3","7","5","5","1") = "6"
    & skf18("6","4","3","7","5","6","1") = "6"
    & skf18("6","4","3","7","5","7","1") = "6"
    & skf18("6","4","3","7","5","8","1") = "7"
    & skf18("6","4","3","7","5","9","1") = "8"
    & skf18("6","4","3","7","5","10","1") = "9"
    & skf18("6","4","3","7","6","1","1") = "6"
    & skf18("6","4","3","7","6","2","1") = "6"
    & skf18("6","4","3","7","6","3","1") = "6"
    & skf18("6","4","3","7","6","4","1") = "6"
    & skf18("6","4","3","7","6","5","1") = "6"
    & skf18("6","4","3","7","6","6","1") = "6"
    & skf18("6","4","3","7","6","7","1") = "6"
    & skf18("6","4","3","7","6","8","1") = "7"
    & skf18("6","4","3","7","6","9","1") = "8"
    & skf18("6","4","3","7","6","10","1") = "9"
    & skf18("6","4","3","7","7","1","1") = "6"
    & skf18("6","4","3","7","7","2","1") = "6"
    & skf18("6","4","3","7","7","3","1") = "6"
    & skf18("6","4","3","7","7","4","1") = "6"
    & skf18("6","4","3","7","7","5","1") = "6"
    & skf18("6","4","3","7","7","6","1") = "6"
    & skf18("6","4","3","7","7","7","1") = "6"
    & skf18("6","4","3","7","7","8","1") = "7"
    & skf18("6","4","3","7","7","9","1") = "8"
    & skf18("6","4","3","7","7","10","1") = "9"
    & skf18("6","4","3","7","8","1","1") = "7"
    & skf18("6","4","3","7","8","2","1") = "7"
    & skf18("6","4","3","7","8","3","1") = "7"
    & skf18("6","4","3","7","8","4","1") = "7"
    & skf18("6","4","3","7","8","5","1") = "7"
    & skf18("6","4","3","7","8","6","1") = "7"
    & skf18("6","4","3","7","8","7","1") = "7"
    & skf18("6","4","3","7","8","8","1") = "7"
    & skf18("6","4","3","7","8","9","1") = "8"
    & skf18("6","4","3","7","8","10","1") = "9"
    & skf18("6","4","3","7","9","1","1") = "8"
    & skf18("6","4","3","7","9","2","1") = "8"
    & skf18("6","4","3","7","9","3","1") = "8"
    & skf18("6","4","3","7","9","4","1") = "8"
    & skf18("6","4","3","7","9","5","1") = "8"
    & skf18("6","4","3","7","9","6","1") = "8"
    & skf18("6","4","3","7","9","7","1") = "8"
    & skf18("6","4","3","7","9","8","1") = "8"
    & skf18("6","4","3","7","9","9","1") = "8"
    & skf18("6","4","3","7","9","10","1") = "9"
    & skf18("6","4","3","7","10","1","1") = "9"
    & skf18("6","4","3","7","10","2","1") = "9"
    & skf18("6","4","3","7","10","3","1") = "9"
    & skf18("6","4","3","7","10","4","1") = "9"
    & skf18("6","4","3","7","10","5","1") = "9"
    & skf18("6","4","3","7","10","6","1") = "9"
    & skf18("6","4","3","7","10","7","1") = "9"
    & skf18("6","4","3","7","10","8","1") = "9"
    & skf18("6","4","3","7","10","9","1") = "9"
    & skf18("6","4","3","7","10","10","1") = "9"
    & skf18("6","4","3","8","1","1","1") = "7"
    & skf18("6","4","3","8","1","2","1") = "7"
    & skf18("6","4","3","8","1","3","1") = "7"
    & skf18("6","4","3","8","1","4","1") = "7"
    & skf18("6","4","3","8","1","5","1") = "7"
    & skf18("6","4","3","8","1","6","1") = "7"
    & skf18("6","4","3","8","1","7","1") = "7"
    & skf18("6","4","3","8","1","8","1") = "7"
    & skf18("6","4","3","8","1","9","1") = "8"
    & skf18("6","4","3","8","1","10","1") = "9"
    & skf18("6","4","3","8","2","1","1") = "7"
    & skf18("6","4","3","8","2","2","1") = "7"
    & skf18("6","4","3","8","2","3","1") = "7"
    & skf18("6","4","3","8","2","4","1") = "7"
    & skf18("6","4","3","8","2","5","1") = "7"
    & skf18("6","4","3","8","2","6","1") = "7"
    & skf18("6","4","3","8","2","7","1") = "7"
    & skf18("6","4","3","8","2","8","1") = "7"
    & skf18("6","4","3","8","2","9","1") = "8"
    & skf18("6","4","3","8","2","10","1") = "9"
    & skf18("6","4","3","8","3","1","1") = "7"
    & skf18("6","4","3","8","3","2","1") = "7"
    & skf18("6","4","3","8","3","3","1") = "7"
    & skf18("6","4","3","8","3","4","1") = "7"
    & skf18("6","4","3","8","3","5","1") = "7"
    & skf18("6","4","3","8","3","6","1") = "7"
    & skf18("6","4","3","8","3","7","1") = "7"
    & skf18("6","4","3","8","3","8","1") = "7"
    & skf18("6","4","3","8","3","9","1") = "8"
    & skf18("6","4","3","8","3","10","1") = "9"
    & skf18("6","4","3","8","4","1","1") = "7"
    & skf18("6","4","3","8","4","2","1") = "7"
    & skf18("6","4","3","8","4","3","1") = "7"
    & skf18("6","4","3","8","4","4","1") = "7"
    & skf18("6","4","3","8","4","5","1") = "7"
    & skf18("6","4","3","8","4","6","1") = "7"
    & skf18("6","4","3","8","4","7","1") = "7"
    & skf18("6","4","3","8","4","8","1") = "7"
    & skf18("6","4","3","8","4","9","1") = "8"
    & skf18("6","4","3","8","4","10","1") = "9"
    & skf18("6","4","3","8","5","1","1") = "7"
    & skf18("6","4","3","8","5","2","1") = "7"
    & skf18("6","4","3","8","5","3","1") = "7"
    & skf18("6","4","3","8","5","4","1") = "7"
    & skf18("6","4","3","8","5","5","1") = "7"
    & skf18("6","4","3","8","5","6","1") = "7"
    & skf18("6","4","3","8","5","7","1") = "7"
    & skf18("6","4","3","8","5","8","1") = "7"
    & skf18("6","4","3","8","5","9","1") = "8"
    & skf18("6","4","3","8","5","10","1") = "9"
    & skf18("6","4","3","8","6","1","1") = "7"
    & skf18("6","4","3","8","6","2","1") = "7"
    & skf18("6","4","3","8","6","3","1") = "7"
    & skf18("6","4","3","8","6","4","1") = "7"
    & skf18("6","4","3","8","6","5","1") = "7"
    & skf18("6","4","3","8","6","6","1") = "7"
    & skf18("6","4","3","8","6","7","1") = "7"
    & skf18("6","4","3","8","6","8","1") = "7"
    & skf18("6","4","3","8","6","9","1") = "8"
    & skf18("6","4","3","8","6","10","1") = "9"
    & skf18("6","4","3","8","7","1","1") = "7"
    & skf18("6","4","3","8","7","2","1") = "7"
    & skf18("6","4","3","8","7","3","1") = "7"
    & skf18("6","4","3","8","7","4","1") = "7"
    & skf18("6","4","3","8","7","5","1") = "7"
    & skf18("6","4","3","8","7","6","1") = "7"
    & skf18("6","4","3","8","7","7","1") = "7"
    & skf18("6","4","3","8","7","8","1") = "7"
    & skf18("6","4","3","8","7","9","1") = "8"
    & skf18("6","4","3","8","7","10","1") = "9"
    & skf18("6","4","3","8","8","1","1") = "7"
    & skf18("6","4","3","8","8","2","1") = "7"
    & skf18("6","4","3","8","8","3","1") = "7"
    & skf18("6","4","3","8","8","4","1") = "7"
    & skf18("6","4","3","8","8","5","1") = "7"
    & skf18("6","4","3","8","8","6","1") = "7"
    & skf18("6","4","3","8","8","7","1") = "7"
    & skf18("6","4","3","8","8","8","1") = "7"
    & skf18("6","4","3","8","8","9","1") = "8"
    & skf18("6","4","3","8","8","10","1") = "9"
    & skf18("6","4","3","8","9","1","1") = "8"
    & skf18("6","4","3","8","9","2","1") = "8"
    & skf18("6","4","3","8","9","3","1") = "8"
    & skf18("6","4","3","8","9","4","1") = "8"
    & skf18("6","4","3","8","9","5","1") = "8"
    & skf18("6","4","3","8","9","6","1") = "8"
    & skf18("6","4","3","8","9","7","1") = "8"
    & skf18("6","4","3","8","9","8","1") = "8"
    & skf18("6","4","3","8","9","9","1") = "8"
    & skf18("6","4","3","8","9","10","1") = "9"
    & skf18("6","4","3","8","10","1","1") = "9"
    & skf18("6","4","3","8","10","2","1") = "9"
    & skf18("6","4","3","8","10","3","1") = "9"
    & skf18("6","4","3","8","10","4","1") = "9"
    & skf18("6","4","3","8","10","5","1") = "9"
    & skf18("6","4","3","8","10","6","1") = "9"
    & skf18("6","4","3","8","10","7","1") = "9"
    & skf18("6","4","3","8","10","8","1") = "9"
    & skf18("6","4","3","8","10","9","1") = "9"
    & skf18("6","4","3","8","10","10","1") = "9"
    & skf18("6","4","3","9","1","1","1") = "8"
    & skf18("6","4","3","9","1","2","1") = "8"
    & skf18("6","4","3","9","1","3","1") = "8"
    & skf18("6","4","3","9","1","4","1") = "8"
    & skf18("6","4","3","9","1","5","1") = "8"
    & skf18("6","4","3","9","1","6","1") = "8"
    & skf18("6","4","3","9","1","7","1") = "8"
    & skf18("6","4","3","9","1","8","1") = "8"
    & skf18("6","4","3","9","1","9","1") = "8"
    & skf18("6","4","3","9","1","10","1") = "9"
    & skf18("6","4","3","9","2","1","1") = "8"
    & skf18("6","4","3","9","2","2","1") = "8"
    & skf18("6","4","3","9","2","3","1") = "8"
    & skf18("6","4","3","9","2","4","1") = "8"
    & skf18("6","4","3","9","2","5","1") = "8"
    & skf18("6","4","3","9","2","6","1") = "8"
    & skf18("6","4","3","9","2","7","1") = "8"
    & skf18("6","4","3","9","2","8","1") = "8"
    & skf18("6","4","3","9","2","9","1") = "8"
    & skf18("6","4","3","9","2","10","1") = "9"
    & skf18("6","4","3","9","3","1","1") = "8"
    & skf18("6","4","3","9","3","2","1") = "8"
    & skf18("6","4","3","9","3","3","1") = "8"
    & skf18("6","4","3","9","3","4","1") = "8"
    & skf18("6","4","3","9","3","5","1") = "8"
    & skf18("6","4","3","9","3","6","1") = "8"
    & skf18("6","4","3","9","3","7","1") = "8"
    & skf18("6","4","3","9","3","8","1") = "8"
    & skf18("6","4","3","9","3","9","1") = "8"
    & skf18("6","4","3","9","3","10","1") = "9"
    & skf18("6","4","3","9","4","1","1") = "8"
    & skf18("6","4","3","9","4","2","1") = "8"
    & skf18("6","4","3","9","4","3","1") = "8"
    & skf18("6","4","3","9","4","4","1") = "8"
    & skf18("6","4","3","9","4","5","1") = "8"
    & skf18("6","4","3","9","4","6","1") = "8"
    & skf18("6","4","3","9","4","7","1") = "8"
    & skf18("6","4","3","9","4","8","1") = "8"
    & skf18("6","4","3","9","4","9","1") = "8"
    & skf18("6","4","3","9","4","10","1") = "9"
    & skf18("6","4","3","9","5","1","1") = "8"
    & skf18("6","4","3","9","5","2","1") = "8"
    & skf18("6","4","3","9","5","3","1") = "8"
    & skf18("6","4","3","9","5","4","1") = "8"
    & skf18("6","4","3","9","5","5","1") = "8"
    & skf18("6","4","3","9","5","6","1") = "8"
    & skf18("6","4","3","9","5","7","1") = "8"
    & skf18("6","4","3","9","5","8","1") = "8"
    & skf18("6","4","3","9","5","9","1") = "8"
    & skf18("6","4","3","9","5","10","1") = "9"
    & skf18("6","4","3","9","6","1","1") = "8"
    & skf18("6","4","3","9","6","2","1") = "8"
    & skf18("6","4","3","9","6","3","1") = "8"
    & skf18("6","4","3","9","6","4","1") = "8"
    & skf18("6","4","3","9","6","5","1") = "8"
    & skf18("6","4","3","9","6","6","1") = "8"
    & skf18("6","4","3","9","6","7","1") = "8"
    & skf18("6","4","3","9","6","8","1") = "8"
    & skf18("6","4","3","9","6","9","1") = "8"
    & skf18("6","4","3","9","6","10","1") = "9"
    & skf18("6","4","3","9","7","1","1") = "8"
    & skf18("6","4","3","9","7","2","1") = "8"
    & skf18("6","4","3","9","7","3","1") = "8"
    & skf18("6","4","3","9","7","4","1") = "8"
    & skf18("6","4","3","9","7","5","1") = "8"
    & skf18("6","4","3","9","7","6","1") = "8"
    & skf18("6","4","3","9","7","7","1") = "8"
    & skf18("6","4","3","9","7","8","1") = "8"
    & skf18("6","4","3","9","7","9","1") = "8"
    & skf18("6","4","3","9","7","10","1") = "9"
    & skf18("6","4","3","9","8","1","1") = "8"
    & skf18("6","4","3","9","8","2","1") = "8"
    & skf18("6","4","3","9","8","3","1") = "8"
    & skf18("6","4","3","9","8","4","1") = "8"
    & skf18("6","4","3","9","8","5","1") = "8"
    & skf18("6","4","3","9","8","6","1") = "8"
    & skf18("6","4","3","9","8","7","1") = "8"
    & skf18("6","4","3","9","8","8","1") = "8"
    & skf18("6","4","3","9","8","9","1") = "8"
    & skf18("6","4","3","9","8","10","1") = "9"
    & skf18("6","4","3","9","9","1","1") = "8"
    & skf18("6","4","3","9","9","2","1") = "8"
    & skf18("6","4","3","9","9","3","1") = "8"
    & skf18("6","4","3","9","9","4","1") = "8"
    & skf18("6","4","3","9","9","5","1") = "8"
    & skf18("6","4","3","9","9","6","1") = "8"
    & skf18("6","4","3","9","9","7","1") = "8"
    & skf18("6","4","3","9","9","8","1") = "8"
    & skf18("6","4","3","9","9","9","1") = "8"
    & skf18("6","4","3","9","9","10","1") = "9"
    & skf18("6","4","3","9","10","1","1") = "9"
    & skf18("6","4","3","9","10","2","1") = "9"
    & skf18("6","4","3","9","10","3","1") = "9"
    & skf18("6","4","3","9","10","4","1") = "9"
    & skf18("6","4","3","9","10","5","1") = "9"
    & skf18("6","4","3","9","10","6","1") = "9"
    & skf18("6","4","3","9","10","7","1") = "9"
    & skf18("6","4","3","9","10","8","1") = "9"
    & skf18("6","4","3","9","10","9","1") = "9"
    & skf18("6","4","3","9","10","10","1") = "9"
    & skf18("6","4","3","10","1","1","1") = "9"
    & skf18("6","4","3","10","1","2","1") = "9"
    & skf18("6","4","3","10","1","3","1") = "9"
    & skf18("6","4","3","10","1","4","1") = "9"
    & skf18("6","4","3","10","1","5","1") = "9"
    & skf18("6","4","3","10","1","6","1") = "9"
    & skf18("6","4","3","10","1","7","1") = "9"
    & skf18("6","4","3","10","1","8","1") = "9"
    & skf18("6","4","3","10","1","9","1") = "9"
    & skf18("6","4","3","10","1","10","1") = "9"
    & skf18("6","4","3","10","2","1","1") = "9"
    & skf18("6","4","3","10","2","2","1") = "9"
    & skf18("6","4","3","10","2","3","1") = "9"
    & skf18("6","4","3","10","2","4","1") = "9"
    & skf18("6","4","3","10","2","5","1") = "9"
    & skf18("6","4","3","10","2","6","1") = "9"
    & skf18("6","4","3","10","2","7","1") = "9"
    & skf18("6","4","3","10","2","8","1") = "9"
    & skf18("6","4","3","10","2","9","1") = "9"
    & skf18("6","4","3","10","2","10","1") = "9"
    & skf18("6","4","3","10","3","1","1") = "9"
    & skf18("6","4","3","10","3","2","1") = "9"
    & skf18("6","4","3","10","3","3","1") = "9"
    & skf18("6","4","3","10","3","4","1") = "9"
    & skf18("6","4","3","10","3","5","1") = "9"
    & skf18("6","4","3","10","3","6","1") = "9"
    & skf18("6","4","3","10","3","7","1") = "9"
    & skf18("6","4","3","10","3","8","1") = "9"
    & skf18("6","4","3","10","3","9","1") = "9"
    & skf18("6","4","3","10","3","10","1") = "9"
    & skf18("6","4","3","10","4","1","1") = "9"
    & skf18("6","4","3","10","4","2","1") = "9"
    & skf18("6","4","3","10","4","3","1") = "9"
    & skf18("6","4","3","10","4","4","1") = "9"
    & skf18("6","4","3","10","4","5","1") = "9"
    & skf18("6","4","3","10","4","6","1") = "9"
    & skf18("6","4","3","10","4","7","1") = "9"
    & skf18("6","4","3","10","4","8","1") = "9"
    & skf18("6","4","3","10","4","9","1") = "9"
    & skf18("6","4","3","10","4","10","1") = "9"
    & skf18("6","4","3","10","5","1","1") = "9"
    & skf18("6","4","3","10","5","2","1") = "9"
    & skf18("6","4","3","10","5","3","1") = "9"
    & skf18("6","4","3","10","5","4","1") = "9"
    & skf18("6","4","3","10","5","5","1") = "9"
    & skf18("6","4","3","10","5","6","1") = "9"
    & skf18("6","4","3","10","5","7","1") = "9"
    & skf18("6","4","3","10","5","8","1") = "9"
    & skf18("6","4","3","10","5","9","1") = "9"
    & skf18("6","4","3","10","5","10","1") = "9"
    & skf18("6","4","3","10","6","1","1") = "9"
    & skf18("6","4","3","10","6","2","1") = "9"
    & skf18("6","4","3","10","6","3","1") = "9"
    & skf18("6","4","3","10","6","4","1") = "9"
    & skf18("6","4","3","10","6","5","1") = "9"
    & skf18("6","4","3","10","6","6","1") = "9"
    & skf18("6","4","3","10","6","7","1") = "9"
    & skf18("6","4","3","10","6","8","1") = "9"
    & skf18("6","4","3","10","6","9","1") = "9"
    & skf18("6","4","3","10","6","10","1") = "9"
    & skf18("6","4","3","10","7","1","1") = "9"
    & skf18("6","4","3","10","7","2","1") = "9"
    & skf18("6","4","3","10","7","3","1") = "9"
    & skf18("6","4","3","10","7","4","1") = "9"
    & skf18("6","4","3","10","7","5","1") = "9"
    & skf18("6","4","3","10","7","6","1") = "9"
    & skf18("6","4","3","10","7","7","1") = "9"
    & skf18("6","4","3","10","7","8","1") = "9"
    & skf18("6","4","3","10","7","9","1") = "9"
    & skf18("6","4","3","10","7","10","1") = "9"
    & skf18("6","4","3","10","8","1","1") = "9"
    & skf18("6","4","3","10","8","2","1") = "9"
    & skf18("6","4","3","10","8","3","1") = "9"
    & skf18("6","4","3","10","8","4","1") = "9"
    & skf18("6","4","3","10","8","5","1") = "9"
    & skf18("6","4","3","10","8","6","1") = "9"
    & skf18("6","4","3","10","8","7","1") = "9"
    & skf18("6","4","3","10","8","8","1") = "9"
    & skf18("6","4","3","10","8","9","1") = "9"
    & skf18("6","4","3","10","8","10","1") = "9"
    & skf18("6","4","3","10","9","1","1") = "9"
    & skf18("6","4","3","10","9","2","1") = "9"
    & skf18("6","4","3","10","9","3","1") = "9"
    & skf18("6","4","3","10","9","4","1") = "9"
    & skf18("6","4","3","10","9","5","1") = "9"
    & skf18("6","4","3","10","9","6","1") = "9"
    & skf18("6","4","3","10","9","7","1") = "9"
    & skf18("6","4","3","10","9","8","1") = "9"
    & skf18("6","4","3","10","9","9","1") = "9"
    & skf18("6","4","3","10","9","10","1") = "9"
    & skf18("6","4","3","10","10","1","1") = "9"
    & skf18("6","4","3","10","10","2","1") = "9"
    & skf18("6","4","3","10","10","3","1") = "9"
    & skf18("6","4","3","10","10","4","1") = "9"
    & skf18("6","4","3","10","10","5","1") = "9"
    & skf18("6","4","3","10","10","6","1") = "9"
    & skf18("6","4","3","10","10","7","1") = "9"
    & skf18("6","4","3","10","10","8","1") = "9"
    & skf18("6","4","3","10","10","9","1") = "9"
    & skf18("6","4","3","10","10","10","1") = "9"
    & skf18("6","4","4","1","1","1","1") = "5"
    & skf18("6","4","4","1","1","2","1") = "5"
    & skf18("6","4","4","1","1","3","1") = "5"
    & skf18("6","4","4","1","1","4","1") = "5"
    & skf18("6","4","4","1","1","5","1") = "5"
    & skf18("6","4","4","1","1","6","1") = "5"
    & skf18("6","4","4","1","1","7","1") = "6"
    & skf18("6","4","4","1","1","8","1") = "7"
    & skf18("6","4","4","1","1","9","1") = "8"
    & skf18("6","4","4","1","1","10","1") = "9"
    & skf18("6","4","4","1","2","1","1") = "5"
    & skf18("6","4","4","1","2","2","1") = "5"
    & skf18("6","4","4","1","2","3","1") = "5"
    & skf18("6","4","4","1","2","4","1") = "5"
    & skf18("6","4","4","1","2","5","1") = "5"
    & skf18("6","4","4","1","2","6","1") = "5"
    & skf18("6","4","4","1","2","7","1") = "6"
    & skf18("6","4","4","1","2","8","1") = "7"
    & skf18("6","4","4","1","2","9","1") = "8"
    & skf18("6","4","4","1","2","10","1") = "9"
    & skf18("6","4","4","1","3","1","1") = "5"
    & skf18("6","4","4","1","3","2","1") = "5"
    & skf18("6","4","4","1","3","3","1") = "5"
    & skf18("6","4","4","1","3","4","1") = "5"
    & skf18("6","4","4","1","3","5","1") = "5"
    & skf18("6","4","4","1","3","6","1") = "5"
    & skf18("6","4","4","1","3","7","1") = "6"
    & skf18("6","4","4","1","3","8","1") = "7"
    & skf18("6","4","4","1","3","9","1") = "8"
    & skf18("6","4","4","1","3","10","1") = "9"
    & skf18("6","4","4","1","4","1","1") = "5"
    & skf18("6","4","4","1","4","2","1") = "5"
    & skf18("6","4","4","1","4","3","1") = "5"
    & skf18("6","4","4","1","4","4","1") = "5"
    & skf18("6","4","4","1","4","5","1") = "5"
    & skf18("6","4","4","1","4","6","1") = "5"
    & skf18("6","4","4","1","4","7","1") = "6"
    & skf18("6","4","4","1","4","8","1") = "7"
    & skf18("6","4","4","1","4","9","1") = "8"
    & skf18("6","4","4","1","4","10","1") = "9"
    & skf18("6","4","4","1","5","1","1") = "5"
    & skf18("6","4","4","1","5","2","1") = "5"
    & skf18("6","4","4","1","5","3","1") = "5"
    & skf18("6","4","4","1","5","4","1") = "5"
    & skf18("6","4","4","1","5","5","1") = "5"
    & skf18("6","4","4","1","5","6","1") = "5"
    & skf18("6","4","4","1","5","7","1") = "6"
    & skf18("6","4","4","1","5","8","1") = "7"
    & skf18("6","4","4","1","5","9","1") = "8"
    & skf18("6","4","4","1","5","10","1") = "9"
    & skf18("6","4","4","1","6","1","1") = "5"
    & skf18("6","4","4","1","6","2","1") = "5"
    & skf18("6","4","4","1","6","3","1") = "5"
    & skf18("6","4","4","1","6","4","1") = "5"
    & skf18("6","4","4","1","6","5","1") = "5"
    & skf18("6","4","4","1","6","6","1") = "5"
    & skf18("6","4","4","1","6","7","1") = "6"
    & skf18("6","4","4","1","6","8","1") = "7"
    & skf18("6","4","4","1","6","9","1") = "8"
    & skf18("6","4","4","1","6","10","1") = "9"
    & skf18("6","4","4","1","7","1","1") = "6"
    & skf18("6","4","4","1","7","2","1") = "6"
    & skf18("6","4","4","1","7","3","1") = "6"
    & skf18("6","4","4","1","7","4","1") = "6"
    & skf18("6","4","4","1","7","5","1") = "6"
    & skf18("6","4","4","1","7","6","1") = "6"
    & skf18("6","4","4","1","7","7","1") = "6"
    & skf18("6","4","4","1","7","8","1") = "7"
    & skf18("6","4","4","1","7","9","1") = "8"
    & skf18("6","4","4","1","7","10","1") = "9"
    & skf18("6","4","4","1","8","1","1") = "7"
    & skf18("6","4","4","1","8","2","1") = "7"
    & skf18("6","4","4","1","8","3","1") = "7"
    & skf18("6","4","4","1","8","4","1") = "7"
    & skf18("6","4","4","1","8","5","1") = "7"
    & skf18("6","4","4","1","8","6","1") = "7"
    & skf18("6","4","4","1","8","7","1") = "7"
    & skf18("6","4","4","1","8","8","1") = "7"
    & skf18("6","4","4","1","8","9","1") = "8"
    & skf18("6","4","4","1","8","10","1") = "9"
    & skf18("6","4","4","1","9","1","1") = "8"
    & skf18("6","4","4","1","9","2","1") = "8"
    & skf18("6","4","4","1","9","3","1") = "8"
    & skf18("6","4","4","1","9","4","1") = "8"
    & skf18("6","4","4","1","9","5","1") = "8"
    & skf18("6","4","4","1","9","6","1") = "8"
    & skf18("6","4","4","1","9","7","1") = "8"
    & skf18("6","4","4","1","9","8","1") = "8"
    & skf18("6","4","4","1","9","9","1") = "8"
    & skf18("6","4","4","1","9","10","1") = "9"
    & skf18("6","4","4","1","10","1","1") = "9"
    & skf18("6","4","4","1","10","2","1") = "9"
    & skf18("6","4","4","1","10","3","1") = "9"
    & skf18("6","4","4","1","10","4","1") = "9"
    & skf18("6","4","4","1","10","5","1") = "9"
    & skf18("6","4","4","1","10","6","1") = "9"
    & skf18("6","4","4","1","10","7","1") = "9"
    & skf18("6","4","4","1","10","8","1") = "9"
    & skf18("6","4","4","1","10","9","1") = "9"
    & skf18("6","4","4","1","10","10","1") = "9"
    & skf18("6","4","4","2","1","1","1") = "5"
    & skf18("6","4","4","2","1","2","1") = "5"
    & skf18("6","4","4","2","1","3","1") = "5"
    & skf18("6","4","4","2","1","4","1") = "5"
    & skf18("6","4","4","2","1","5","1") = "5"
    & skf18("6","4","4","2","1","6","1") = "5"
    & skf18("6","4","4","2","1","7","1") = "6"
    & skf18("6","4","4","2","1","8","1") = "7"
    & skf18("6","4","4","2","1","9","1") = "8"
    & skf18("6","4","4","2","1","10","1") = "9"
    & skf18("6","4","4","2","2","1","1") = "5"
    & skf18("6","4","4","2","2","2","1") = "5"
    & skf18("6","4","4","2","2","3","1") = "5"
    & skf18("6","4","4","2","2","4","1") = "5"
    & skf18("6","4","4","2","2","5","1") = "5"
    & skf18("6","4","4","2","2","6","1") = "5"
    & skf18("6","4","4","2","2","7","1") = "6"
    & skf18("6","4","4","2","2","8","1") = "7"
    & skf18("6","4","4","2","2","9","1") = "8"
    & skf18("6","4","4","2","2","10","1") = "9"
    & skf18("6","4","4","2","3","1","1") = "5"
    & skf18("6","4","4","2","3","2","1") = "5"
    & skf18("6","4","4","2","3","3","1") = "5"
    & skf18("6","4","4","2","3","4","1") = "5"
    & skf18("6","4","4","2","3","5","1") = "5"
    & skf18("6","4","4","2","3","6","1") = "5"
    & skf18("6","4","4","2","3","7","1") = "6"
    & skf18("6","4","4","2","3","8","1") = "7"
    & skf18("6","4","4","2","3","9","1") = "8"
    & skf18("6","4","4","2","3","10","1") = "9"
    & skf18("6","4","4","2","4","1","1") = "5"
    & skf18("6","4","4","2","4","2","1") = "5"
    & skf18("6","4","4","2","4","3","1") = "5"
    & skf18("6","4","4","2","4","4","1") = "5"
    & skf18("6","4","4","2","4","5","1") = "5"
    & skf18("6","4","4","2","4","6","1") = "5"
    & skf18("6","4","4","2","4","7","1") = "6"
    & skf18("6","4","4","2","4","8","1") = "7"
    & skf18("6","4","4","2","4","9","1") = "8"
    & skf18("6","4","4","2","4","10","1") = "9"
    & skf18("6","4","4","2","5","1","1") = "5"
    & skf18("6","4","4","2","5","2","1") = "5"
    & skf18("6","4","4","2","5","3","1") = "5"
    & skf18("6","4","4","2","5","4","1") = "5"
    & skf18("6","4","4","2","5","5","1") = "5"
    & skf18("6","4","4","2","5","6","1") = "5"
    & skf18("6","4","4","2","5","7","1") = "6"
    & skf18("6","4","4","2","5","8","1") = "7"
    & skf18("6","4","4","2","5","9","1") = "8"
    & skf18("6","4","4","2","5","10","1") = "9"
    & skf18("6","4","4","2","6","1","1") = "5"
    & skf18("6","4","4","2","6","2","1") = "5"
    & skf18("6","4","4","2","6","3","1") = "5"
    & skf18("6","4","4","2","6","4","1") = "5"
    & skf18("6","4","4","2","6","5","1") = "5"
    & skf18("6","4","4","2","6","6","1") = "5"
    & skf18("6","4","4","2","6","7","1") = "6"
    & skf18("6","4","4","2","6","8","1") = "7"
    & skf18("6","4","4","2","6","9","1") = "8"
    & skf18("6","4","4","2","6","10","1") = "9"
    & skf18("6","4","4","2","7","1","1") = "6"
    & skf18("6","4","4","2","7","2","1") = "6"
    & skf18("6","4","4","2","7","3","1") = "6"
    & skf18("6","4","4","2","7","4","1") = "6"
    & skf18("6","4","4","2","7","5","1") = "6"
    & skf18("6","4","4","2","7","6","1") = "6"
    & skf18("6","4","4","2","7","7","1") = "6"
    & skf18("6","4","4","2","7","8","1") = "7"
    & skf18("6","4","4","2","7","9","1") = "8"
    & skf18("6","4","4","2","7","10","1") = "9"
    & skf18("6","4","4","2","8","1","1") = "7"
    & skf18("6","4","4","2","8","2","1") = "7"
    & skf18("6","4","4","2","8","3","1") = "7"
    & skf18("6","4","4","2","8","4","1") = "7"
    & skf18("6","4","4","2","8","5","1") = "7"
    & skf18("6","4","4","2","8","6","1") = "7"
    & skf18("6","4","4","2","8","7","1") = "7"
    & skf18("6","4","4","2","8","8","1") = "7"
    & skf18("6","4","4","2","8","9","1") = "8"
    & skf18("6","4","4","2","8","10","1") = "9"
    & skf18("6","4","4","2","9","1","1") = "8"
    & skf18("6","4","4","2","9","2","1") = "8"
    & skf18("6","4","4","2","9","3","1") = "8"
    & skf18("6","4","4","2","9","4","1") = "8"
    & skf18("6","4","4","2","9","5","1") = "8"
    & skf18("6","4","4","2","9","6","1") = "8"
    & skf18("6","4","4","2","9","7","1") = "8"
    & skf18("6","4","4","2","9","8","1") = "8"
    & skf18("6","4","4","2","9","9","1") = "8"
    & skf18("6","4","4","2","9","10","1") = "9"
    & skf18("6","4","4","2","10","1","1") = "9"
    & skf18("6","4","4","2","10","2","1") = "9"
    & skf18("6","4","4","2","10","3","1") = "9"
    & skf18("6","4","4","2","10","4","1") = "9"
    & skf18("6","4","4","2","10","5","1") = "9"
    & skf18("6","4","4","2","10","6","1") = "9"
    & skf18("6","4","4","2","10","7","1") = "9"
    & skf18("6","4","4","2","10","8","1") = "9"
    & skf18("6","4","4","2","10","9","1") = "9"
    & skf18("6","4","4","2","10","10","1") = "9"
    & skf18("6","4","4","3","1","1","1") = "5"
    & skf18("6","4","4","3","1","2","1") = "5"
    & skf18("6","4","4","3","1","3","1") = "5"
    & skf18("6","4","4","3","1","4","1") = "5"
    & skf18("6","4","4","3","1","5","1") = "5"
    & skf18("6","4","4","3","1","6","1") = "5"
    & skf18("6","4","4","3","1","7","1") = "6"
    & skf18("6","4","4","3","1","8","1") = "7"
    & skf18("6","4","4","3","1","9","1") = "8"
    & skf18("6","4","4","3","1","10","1") = "9"
    & skf18("6","4","4","3","2","1","1") = "5"
    & skf18("6","4","4","3","2","2","1") = "5"
    & skf18("6","4","4","3","2","3","1") = "5"
    & skf18("6","4","4","3","2","4","1") = "5"
    & skf18("6","4","4","3","2","5","1") = "5"
    & skf18("6","4","4","3","2","6","1") = "5"
    & skf18("6","4","4","3","2","7","1") = "6"
    & skf18("6","4","4","3","2","8","1") = "7"
    & skf18("6","4","4","3","2","9","1") = "8"
    & skf18("6","4","4","3","2","10","1") = "9"
    & skf18("6","4","4","3","3","1","1") = "5"
    & skf18("6","4","4","3","3","2","1") = "5"
    & skf18("6","4","4","3","3","3","1") = "5"
    & skf18("6","4","4","3","3","4","1") = "5"
    & skf18("6","4","4","3","3","5","1") = "5"
    & skf18("6","4","4","3","3","6","1") = "5"
    & skf18("6","4","4","3","3","7","1") = "6"
    & skf18("6","4","4","3","3","8","1") = "7"
    & skf18("6","4","4","3","3","9","1") = "8"
    & skf18("6","4","4","3","3","10","1") = "9"
    & skf18("6","4","4","3","4","1","1") = "5"
    & skf18("6","4","4","3","4","2","1") = "5"
    & skf18("6","4","4","3","4","3","1") = "5"
    & skf18("6","4","4","3","4","4","1") = "5"
    & skf18("6","4","4","3","4","5","1") = "5"
    & skf18("6","4","4","3","4","6","1") = "5"
    & skf18("6","4","4","3","4","7","1") = "6"
    & skf18("6","4","4","3","4","8","1") = "7"
    & skf18("6","4","4","3","4","9","1") = "8"
    & skf18("6","4","4","3","4","10","1") = "9"
    & skf18("6","4","4","3","5","1","1") = "5"
    & skf18("6","4","4","3","5","2","1") = "5"
    & skf18("6","4","4","3","5","3","1") = "5"
    & skf18("6","4","4","3","5","4","1") = "5"
    & skf18("6","4","4","3","5","5","1") = "5"
    & skf18("6","4","4","3","5","6","1") = "5"
    & skf18("6","4","4","3","5","7","1") = "6"
    & skf18("6","4","4","3","5","8","1") = "7"
    & skf18("6","4","4","3","5","9","1") = "8"
    & skf18("6","4","4","3","5","10","1") = "9"
    & skf18("6","4","4","3","6","1","1") = "5"
    & skf18("6","4","4","3","6","2","1") = "5"
    & skf18("6","4","4","3","6","3","1") = "5"
    & skf18("6","4","4","3","6","4","1") = "5"
    & skf18("6","4","4","3","6","5","1") = "5"
    & skf18("6","4","4","3","6","6","1") = "5"
    & skf18("6","4","4","3","6","7","1") = "6"
    & skf18("6","4","4","3","6","8","1") = "7"
    & skf18("6","4","4","3","6","9","1") = "8"
    & skf18("6","4","4","3","6","10","1") = "9"
    & skf18("6","4","4","3","7","1","1") = "6"
    & skf18("6","4","4","3","7","2","1") = "6"
    & skf18("6","4","4","3","7","3","1") = "6"
    & skf18("6","4","4","3","7","4","1") = "6"
    & skf18("6","4","4","3","7","5","1") = "6"
    & skf18("6","4","4","3","7","6","1") = "6"
    & skf18("6","4","4","3","7","7","1") = "6"
    & skf18("6","4","4","3","7","8","1") = "7"
    & skf18("6","4","4","3","7","9","1") = "8"
    & skf18("6","4","4","3","7","10","1") = "9"
    & skf18("6","4","4","3","8","1","1") = "7"
    & skf18("6","4","4","3","8","2","1") = "7"
    & skf18("6","4","4","3","8","3","1") = "7"
    & skf18("6","4","4","3","8","4","1") = "7"
    & skf18("6","4","4","3","8","5","1") = "7"
    & skf18("6","4","4","3","8","6","1") = "7"
    & skf18("6","4","4","3","8","7","1") = "7"
    & skf18("6","4","4","3","8","8","1") = "7"
    & skf18("6","4","4","3","8","9","1") = "8"
    & skf18("6","4","4","3","8","10","1") = "9"
    & skf18("6","4","4","3","9","1","1") = "8"
    & skf18("6","4","4","3","9","2","1") = "8"
    & skf18("6","4","4","3","9","3","1") = "8"
    & skf18("6","4","4","3","9","4","1") = "8"
    & skf18("6","4","4","3","9","5","1") = "8"
    & skf18("6","4","4","3","9","6","1") = "8"
    & skf18("6","4","4","3","9","7","1") = "8"
    & skf18("6","4","4","3","9","8","1") = "8"
    & skf18("6","4","4","3","9","9","1") = "8"
    & skf18("6","4","4","3","9","10","1") = "9"
    & skf18("6","4","4","3","10","1","1") = "9"
    & skf18("6","4","4","3","10","2","1") = "9"
    & skf18("6","4","4","3","10","3","1") = "9"
    & skf18("6","4","4","3","10","4","1") = "9"
    & skf18("6","4","4","3","10","5","1") = "9"
    & skf18("6","4","4","3","10","6","1") = "9"
    & skf18("6","4","4","3","10","7","1") = "9"
    & skf18("6","4","4","3","10","8","1") = "9"
    & skf18("6","4","4","3","10","9","1") = "9"
    & skf18("6","4","4","3","10","10","1") = "9"
    & skf18("6","4","4","4","1","1","1") = "5"
    & skf18("6","4","4","4","1","2","1") = "5"
    & skf18("6","4","4","4","1","3","1") = "5"
    & skf18("6","4","4","4","1","4","1") = "5"
    & skf18("6","4","4","4","1","5","1") = "5"
    & skf18("6","4","4","4","1","6","1") = "5"
    & skf18("6","4","4","4","1","7","1") = "6"
    & skf18("6","4","4","4","1","8","1") = "7"
    & skf18("6","4","4","4","1","9","1") = "8"
    & skf18("6","4","4","4","1","10","1") = "9"
    & skf18("6","4","4","4","2","1","1") = "5"
    & skf18("6","4","4","4","2","2","1") = "5"
    & skf18("6","4","4","4","2","3","1") = "5"
    & skf18("6","4","4","4","2","4","1") = "5"
    & skf18("6","4","4","4","2","5","1") = "5"
    & skf18("6","4","4","4","2","6","1") = "5"
    & skf18("6","4","4","4","2","7","1") = "6"
    & skf18("6","4","4","4","2","8","1") = "7"
    & skf18("6","4","4","4","2","9","1") = "8"
    & skf18("6","4","4","4","2","10","1") = "9"
    & skf18("6","4","4","4","3","1","1") = "5"
    & skf18("6","4","4","4","3","2","1") = "5"
    & skf18("6","4","4","4","3","3","1") = "5"
    & skf18("6","4","4","4","3","4","1") = "5"
    & skf18("6","4","4","4","3","5","1") = "5"
    & skf18("6","4","4","4","3","6","1") = "5"
    & skf18("6","4","4","4","3","7","1") = "6"
    & skf18("6","4","4","4","3","8","1") = "7"
    & skf18("6","4","4","4","3","9","1") = "8"
    & skf18("6","4","4","4","3","10","1") = "9"
    & skf18("6","4","4","4","4","1","1") = "5"
    & skf18("6","4","4","4","4","2","1") = "5"
    & skf18("6","4","4","4","4","3","1") = "5"
    & skf18("6","4","4","4","4","4","1") = "5"
    & skf18("6","4","4","4","4","5","1") = "5"
    & skf18("6","4","4","4","4","6","1") = "5"
    & skf18("6","4","4","4","4","7","1") = "6"
    & skf18("6","4","4","4","4","8","1") = "7"
    & skf18("6","4","4","4","4","9","1") = "8"
    & skf18("6","4","4","4","4","10","1") = "9"
    & skf18("6","4","4","4","5","1","1") = "5"
    & skf18("6","4","4","4","5","2","1") = "5"
    & skf18("6","4","4","4","5","3","1") = "5"
    & skf18("6","4","4","4","5","4","1") = "5"
    & skf18("6","4","4","4","5","5","1") = "5"
    & skf18("6","4","4","4","5","6","1") = "5"
    & skf18("6","4","4","4","5","7","1") = "6"
    & skf18("6","4","4","4","5","8","1") = "7"
    & skf18("6","4","4","4","5","9","1") = "8"
    & skf18("6","4","4","4","5","10","1") = "9"
    & skf18("6","4","4","4","6","1","1") = "5"
    & skf18("6","4","4","4","6","2","1") = "5"
    & skf18("6","4","4","4","6","3","1") = "5"
    & skf18("6","4","4","4","6","4","1") = "5"
    & skf18("6","4","4","4","6","5","1") = "5"
    & skf18("6","4","4","4","6","6","1") = "5"
    & skf18("6","4","4","4","6","7","1") = "6"
    & skf18("6","4","4","4","6","8","1") = "7"
    & skf18("6","4","4","4","6","9","1") = "8"
    & skf18("6","4","4","4","6","10","1") = "9"
    & skf18("6","4","4","4","7","1","1") = "6"
    & skf18("6","4","4","4","7","2","1") = "6"
    & skf18("6","4","4","4","7","3","1") = "6"
    & skf18("6","4","4","4","7","4","1") = "6"
    & skf18("6","4","4","4","7","5","1") = "6"
    & skf18("6","4","4","4","7","6","1") = "6"
    & skf18("6","4","4","4","7","7","1") = "6"
    & skf18("6","4","4","4","7","8","1") = "7"
    & skf18("6","4","4","4","7","9","1") = "8"
    & skf18("6","4","4","4","7","10","1") = "9"
    & skf18("6","4","4","4","8","1","1") = "7"
    & skf18("6","4","4","4","8","2","1") = "7"
    & skf18("6","4","4","4","8","3","1") = "7"
    & skf18("6","4","4","4","8","4","1") = "7"
    & skf18("6","4","4","4","8","5","1") = "7"
    & skf18("6","4","4","4","8","6","1") = "7"
    & skf18("6","4","4","4","8","7","1") = "7"
    & skf18("6","4","4","4","8","8","1") = "7"
    & skf18("6","4","4","4","8","9","1") = "8"
    & skf18("6","4","4","4","8","10","1") = "9"
    & skf18("6","4","4","4","9","1","1") = "8"
    & skf18("6","4","4","4","9","2","1") = "8"
    & skf18("6","4","4","4","9","3","1") = "8"
    & skf18("6","4","4","4","9","4","1") = "8"
    & skf18("6","4","4","4","9","5","1") = "8"
    & skf18("6","4","4","4","9","6","1") = "8"
    & skf18("6","4","4","4","9","7","1") = "8"
    & skf18("6","4","4","4","9","8","1") = "8"
    & skf18("6","4","4","4","9","9","1") = "8"
    & skf18("6","4","4","4","9","10","1") = "9"
    & skf18("6","4","4","4","10","1","1") = "9"
    & skf18("6","4","4","4","10","2","1") = "9"
    & skf18("6","4","4","4","10","3","1") = "9"
    & skf18("6","4","4","4","10","4","1") = "9"
    & skf18("6","4","4","4","10","5","1") = "9"
    & skf18("6","4","4","4","10","6","1") = "9"
    & skf18("6","4","4","4","10","7","1") = "9"
    & skf18("6","4","4","4","10","8","1") = "9"
    & skf18("6","4","4","4","10","9","1") = "9"
    & skf18("6","4","4","4","10","10","1") = "9"
    & skf18("6","4","4","5","1","1","1") = "5"
    & skf18("6","4","4","5","1","2","1") = "5"
    & skf18("6","4","4","5","1","3","1") = "5"
    & skf18("6","4","4","5","1","4","1") = "5"
    & skf18("6","4","4","5","1","5","1") = "5"
    & skf18("6","4","4","5","1","6","1") = "5"
    & skf18("6","4","4","5","1","7","1") = "6"
    & skf18("6","4","4","5","1","8","1") = "7"
    & skf18("6","4","4","5","1","9","1") = "8"
    & skf18("6","4","4","5","1","10","1") = "9"
    & skf18("6","4","4","5","2","1","1") = "5"
    & skf18("6","4","4","5","2","2","1") = "5"
    & skf18("6","4","4","5","2","3","1") = "5"
    & skf18("6","4","4","5","2","4","1") = "5"
    & skf18("6","4","4","5","2","5","1") = "5"
    & skf18("6","4","4","5","2","6","1") = "5"
    & skf18("6","4","4","5","2","7","1") = "6"
    & skf18("6","4","4","5","2","8","1") = "7"
    & skf18("6","4","4","5","2","9","1") = "8"
    & skf18("6","4","4","5","2","10","1") = "9"
    & skf18("6","4","4","5","3","1","1") = "5"
    & skf18("6","4","4","5","3","2","1") = "5"
    & skf18("6","4","4","5","3","3","1") = "5"
    & skf18("6","4","4","5","3","4","1") = "5"
    & skf18("6","4","4","5","3","5","1") = "5"
    & skf18("6","4","4","5","3","6","1") = "5"
    & skf18("6","4","4","5","3","7","1") = "6"
    & skf18("6","4","4","5","3","8","1") = "7"
    & skf18("6","4","4","5","3","9","1") = "8"
    & skf18("6","4","4","5","3","10","1") = "9"
    & skf18("6","4","4","5","4","1","1") = "5"
    & skf18("6","4","4","5","4","2","1") = "5"
    & skf18("6","4","4","5","4","3","1") = "5"
    & skf18("6","4","4","5","4","4","1") = "5"
    & skf18("6","4","4","5","4","5","1") = "5"
    & skf18("6","4","4","5","4","6","1") = "5"
    & skf18("6","4","4","5","4","7","1") = "6"
    & skf18("6","4","4","5","4","8","1") = "7"
    & skf18("6","4","4","5","4","9","1") = "8"
    & skf18("6","4","4","5","4","10","1") = "9"
    & skf18("6","4","4","5","5","1","1") = "5"
    & skf18("6","4","4","5","5","2","1") = "5"
    & skf18("6","4","4","5","5","3","1") = "5"
    & skf18("6","4","4","5","5","4","1") = "5"
    & skf18("6","4","4","5","5","5","1") = "5"
    & skf18("6","4","4","5","5","6","1") = "5"
    & skf18("6","4","4","5","5","7","1") = "6"
    & skf18("6","4","4","5","5","8","1") = "7"
    & skf18("6","4","4","5","5","9","1") = "8"
    & skf18("6","4","4","5","5","10","1") = "9"
    & skf18("6","4","4","5","6","1","1") = "5"
    & skf18("6","4","4","5","6","2","1") = "5"
    & skf18("6","4","4","5","6","3","1") = "5"
    & skf18("6","4","4","5","6","4","1") = "5"
    & skf18("6","4","4","5","6","5","1") = "5"
    & skf18("6","4","4","5","6","6","1") = "5"
    & skf18("6","4","4","5","6","7","1") = "6"
    & skf18("6","4","4","5","6","8","1") = "7"
    & skf18("6","4","4","5","6","9","1") = "8"
    & skf18("6","4","4","5","6","10","1") = "9"
    & skf18("6","4","4","5","7","1","1") = "6"
    & skf18("6","4","4","5","7","2","1") = "6"
    & skf18("6","4","4","5","7","3","1") = "6"
    & skf18("6","4","4","5","7","4","1") = "6"
    & skf18("6","4","4","5","7","5","1") = "6"
    & skf18("6","4","4","5","7","6","1") = "6"
    & skf18("6","4","4","5","7","7","1") = "6"
    & skf18("6","4","4","5","7","8","1") = "7"
    & skf18("6","4","4","5","7","9","1") = "8"
    & skf18("6","4","4","5","7","10","1") = "9"
    & skf18("6","4","4","5","8","1","1") = "7"
    & skf18("6","4","4","5","8","2","1") = "7"
    & skf18("6","4","4","5","8","3","1") = "7"
    & skf18("6","4","4","5","8","4","1") = "7"
    & skf18("6","4","4","5","8","5","1") = "7"
    & skf18("6","4","4","5","8","6","1") = "7"
    & skf18("6","4","4","5","8","7","1") = "7"
    & skf18("6","4","4","5","8","8","1") = "7"
    & skf18("6","4","4","5","8","9","1") = "8"
    & skf18("6","4","4","5","8","10","1") = "9"
    & skf18("6","4","4","5","9","1","1") = "8"
    & skf18("6","4","4","5","9","2","1") = "8"
    & skf18("6","4","4","5","9","3","1") = "8"
    & skf18("6","4","4","5","9","4","1") = "8"
    & skf18("6","4","4","5","9","5","1") = "8"
    & skf18("6","4","4","5","9","6","1") = "8"
    & skf18("6","4","4","5","9","7","1") = "8"
    & skf18("6","4","4","5","9","8","1") = "8"
    & skf18("6","4","4","5","9","9","1") = "8"
    & skf18("6","4","4","5","9","10","1") = "9"
    & skf18("6","4","4","5","10","1","1") = "9"
    & skf18("6","4","4","5","10","2","1") = "9"
    & skf18("6","4","4","5","10","3","1") = "9"
    & skf18("6","4","4","5","10","4","1") = "9"
    & skf18("6","4","4","5","10","5","1") = "9"
    & skf18("6","4","4","5","10","6","1") = "9"
    & skf18("6","4","4","5","10","7","1") = "9"
    & skf18("6","4","4","5","10","8","1") = "9"
    & skf18("6","4","4","5","10","9","1") = "9"
    & skf18("6","4","4","5","10","10","1") = "9"
    & skf18("6","4","4","6","1","1","1") = "5"
    & skf18("6","4","4","6","1","2","1") = "5"
    & skf18("6","4","4","6","1","3","1") = "5"
    & skf18("6","4","4","6","1","4","1") = "5"
    & skf18("6","4","4","6","1","5","1") = "5"
    & skf18("6","4","4","6","1","6","1") = "5"
    & skf18("6","4","4","6","1","7","1") = "6"
    & skf18("6","4","4","6","1","8","1") = "7"
    & skf18("6","4","4","6","1","9","1") = "8"
    & skf18("6","4","4","6","1","10","1") = "9"
    & skf18("6","4","4","6","2","1","1") = "5"
    & skf18("6","4","4","6","2","2","1") = "5"
    & skf18("6","4","4","6","2","3","1") = "5"
    & skf18("6","4","4","6","2","4","1") = "5"
    & skf18("6","4","4","6","2","5","1") = "5"
    & skf18("6","4","4","6","2","6","1") = "5"
    & skf18("6","4","4","6","2","7","1") = "6"
    & skf18("6","4","4","6","2","8","1") = "7"
    & skf18("6","4","4","6","2","9","1") = "8"
    & skf18("6","4","4","6","2","10","1") = "9"
    & skf18("6","4","4","6","3","1","1") = "5"
    & skf18("6","4","4","6","3","2","1") = "5"
    & skf18("6","4","4","6","3","3","1") = "5"
    & skf18("6","4","4","6","3","4","1") = "5"
    & skf18("6","4","4","6","3","5","1") = "5"
    & skf18("6","4","4","6","3","6","1") = "5"
    & skf18("6","4","4","6","3","7","1") = "6"
    & skf18("6","4","4","6","3","8","1") = "7"
    & skf18("6","4","4","6","3","9","1") = "8"
    & skf18("6","4","4","6","3","10","1") = "9"
    & skf18("6","4","4","6","4","1","1") = "5"
    & skf18("6","4","4","6","4","2","1") = "5"
    & skf18("6","4","4","6","4","3","1") = "5"
    & skf18("6","4","4","6","4","4","1") = "5"
    & skf18("6","4","4","6","4","5","1") = "5"
    & skf18("6","4","4","6","4","6","1") = "5"
    & skf18("6","4","4","6","4","7","1") = "6"
    & skf18("6","4","4","6","4","8","1") = "7"
    & skf18("6","4","4","6","4","9","1") = "8"
    & skf18("6","4","4","6","4","10","1") = "9"
    & skf18("6","4","4","6","5","1","1") = "5"
    & skf18("6","4","4","6","5","2","1") = "5"
    & skf18("6","4","4","6","5","3","1") = "5"
    & skf18("6","4","4","6","5","4","1") = "5"
    & skf18("6","4","4","6","5","5","1") = "5"
    & skf18("6","4","4","6","5","6","1") = "5"
    & skf18("6","4","4","6","5","7","1") = "6"
    & skf18("6","4","4","6","5","8","1") = "7"
    & skf18("6","4","4","6","5","9","1") = "8"
    & skf18("6","4","4","6","5","10","1") = "9"
    & skf18("6","4","4","6","6","1","1") = "5"
    & skf18("6","4","4","6","6","2","1") = "5"
    & skf18("6","4","4","6","6","3","1") = "5"
    & skf18("6","4","4","6","6","4","1") = "5"
    & skf18("6","4","4","6","6","5","1") = "5"
    & skf18("6","4","4","6","6","6","1") = "5"
    & skf18("6","4","4","6","6","7","1") = "6"
    & skf18("6","4","4","6","6","8","1") = "7"
    & skf18("6","4","4","6","6","9","1") = "8"
    & skf18("6","4","4","6","6","10","1") = "9"
    & skf18("6","4","4","6","7","1","1") = "6"
    & skf18("6","4","4","6","7","2","1") = "6"
    & skf18("6","4","4","6","7","3","1") = "6"
    & skf18("6","4","4","6","7","4","1") = "6"
    & skf18("6","4","4","6","7","5","1") = "6"
    & skf18("6","4","4","6","7","6","1") = "6"
    & skf18("6","4","4","6","7","7","1") = "6"
    & skf18("6","4","4","6","7","8","1") = "7"
    & skf18("6","4","4","6","7","9","1") = "8"
    & skf18("6","4","4","6","7","10","1") = "9"
    & skf18("6","4","4","6","8","1","1") = "7"
    & skf18("6","4","4","6","8","2","1") = "7"
    & skf18("6","4","4","6","8","3","1") = "7"
    & skf18("6","4","4","6","8","4","1") = "7"
    & skf18("6","4","4","6","8","5","1") = "7"
    & skf18("6","4","4","6","8","6","1") = "7"
    & skf18("6","4","4","6","8","7","1") = "7"
    & skf18("6","4","4","6","8","8","1") = "7"
    & skf18("6","4","4","6","8","9","1") = "8"
    & skf18("6","4","4","6","8","10","1") = "9"
    & skf18("6","4","4","6","9","1","1") = "8"
    & skf18("6","4","4","6","9","2","1") = "8"
    & skf18("6","4","4","6","9","3","1") = "8"
    & skf18("6","4","4","6","9","4","1") = "8"
    & skf18("6","4","4","6","9","5","1") = "8"
    & skf18("6","4","4","6","9","6","1") = "8"
    & skf18("6","4","4","6","9","7","1") = "8"
    & skf18("6","4","4","6","9","8","1") = "8"
    & skf18("6","4","4","6","9","9","1") = "8"
    & skf18("6","4","4","6","9","10","1") = "9"
    & skf18("6","4","4","6","10","1","1") = "9"
    & skf18("6","4","4","6","10","2","1") = "9"
    & skf18("6","4","4","6","10","3","1") = "9"
    & skf18("6","4","4","6","10","4","1") = "9"
    & skf18("6","4","4","6","10","5","1") = "9"
    & skf18("6","4","4","6","10","6","1") = "9"
    & skf18("6","4","4","6","10","7","1") = "9"
    & skf18("6","4","4","6","10","8","1") = "9"
    & skf18("6","4","4","6","10","9","1") = "9"
    & skf18("6","4","4","6","10","10","1") = "9"
    & skf18("6","4","4","7","1","1","1") = "6"
    & skf18("6","4","4","7","1","2","1") = "6"
    & skf18("6","4","4","7","1","3","1") = "6"
    & skf18("6","4","4","7","1","4","1") = "6"
    & skf18("6","4","4","7","1","5","1") = "6"
    & skf18("6","4","4","7","1","6","1") = "6"
    & skf18("6","4","4","7","1","7","1") = "6"
    & skf18("6","4","4","7","1","8","1") = "7"
    & skf18("6","4","4","7","1","9","1") = "8"
    & skf18("6","4","4","7","1","10","1") = "9"
    & skf18("6","4","4","7","2","1","1") = "6"
    & skf18("6","4","4","7","2","2","1") = "6"
    & skf18("6","4","4","7","2","3","1") = "6"
    & skf18("6","4","4","7","2","4","1") = "6"
    & skf18("6","4","4","7","2","5","1") = "6"
    & skf18("6","4","4","7","2","6","1") = "6"
    & skf18("6","4","4","7","2","7","1") = "6"
    & skf18("6","4","4","7","2","8","1") = "7"
    & skf18("6","4","4","7","2","9","1") = "8"
    & skf18("6","4","4","7","2","10","1") = "9"
    & skf18("6","4","4","7","3","1","1") = "6"
    & skf18("6","4","4","7","3","2","1") = "6"
    & skf18("6","4","4","7","3","3","1") = "6"
    & skf18("6","4","4","7","3","4","1") = "6"
    & skf18("6","4","4","7","3","5","1") = "6"
    & skf18("6","4","4","7","3","6","1") = "6"
    & skf18("6","4","4","7","3","7","1") = "6"
    & skf18("6","4","4","7","3","8","1") = "7"
    & skf18("6","4","4","7","3","9","1") = "8"
    & skf18("6","4","4","7","3","10","1") = "9"
    & skf18("6","4","4","7","4","1","1") = "6"
    & skf18("6","4","4","7","4","2","1") = "6"
    & skf18("6","4","4","7","4","3","1") = "6"
    & skf18("6","4","4","7","4","4","1") = "6"
    & skf18("6","4","4","7","4","5","1") = "6"
    & skf18("6","4","4","7","4","6","1") = "6"
    & skf18("6","4","4","7","4","7","1") = "6"
    & skf18("6","4","4","7","4","8","1") = "7"
    & skf18("6","4","4","7","4","9","1") = "8"
    & skf18("6","4","4","7","4","10","1") = "9"
    & skf18("6","4","4","7","5","1","1") = "6"
    & skf18("6","4","4","7","5","2","1") = "6"
    & skf18("6","4","4","7","5","3","1") = "6"
    & skf18("6","4","4","7","5","4","1") = "6"
    & skf18("6","4","4","7","5","5","1") = "6"
    & skf18("6","4","4","7","5","6","1") = "6"
    & skf18("6","4","4","7","5","7","1") = "6"
    & skf18("6","4","4","7","5","8","1") = "7"
    & skf18("6","4","4","7","5","9","1") = "8"
    & skf18("6","4","4","7","5","10","1") = "9"
    & skf18("6","4","4","7","6","1","1") = "6"
    & skf18("6","4","4","7","6","2","1") = "6"
    & skf18("6","4","4","7","6","3","1") = "6"
    & skf18("6","4","4","7","6","4","1") = "6"
    & skf18("6","4","4","7","6","5","1") = "6"
    & skf18("6","4","4","7","6","6","1") = "6"
    & skf18("6","4","4","7","6","7","1") = "6"
    & skf18("6","4","4","7","6","8","1") = "7"
    & skf18("6","4","4","7","6","9","1") = "8"
    & skf18("6","4","4","7","6","10","1") = "9"
    & skf18("6","4","4","7","7","1","1") = "6"
    & skf18("6","4","4","7","7","2","1") = "6"
    & skf18("6","4","4","7","7","3","1") = "6"
    & skf18("6","4","4","7","7","4","1") = "6"
    & skf18("6","4","4","7","7","5","1") = "6"
    & skf18("6","4","4","7","7","6","1") = "6"
    & skf18("6","4","4","7","7","7","1") = "6"
    & skf18("6","4","4","7","7","8","1") = "7"
    & skf18("6","4","4","7","7","9","1") = "8"
    & skf18("6","4","4","7","7","10","1") = "9"
    & skf18("6","4","4","7","8","1","1") = "7"
    & skf18("6","4","4","7","8","2","1") = "7"
    & skf18("6","4","4","7","8","3","1") = "7"
    & skf18("6","4","4","7","8","4","1") = "7"
    & skf18("6","4","4","7","8","5","1") = "7"
    & skf18("6","4","4","7","8","6","1") = "7"
    & skf18("6","4","4","7","8","7","1") = "7"
    & skf18("6","4","4","7","8","8","1") = "7"
    & skf18("6","4","4","7","8","9","1") = "8"
    & skf18("6","4","4","7","8","10","1") = "9"
    & skf18("6","4","4","7","9","1","1") = "8"
    & skf18("6","4","4","7","9","2","1") = "8"
    & skf18("6","4","4","7","9","3","1") = "8"
    & skf18("6","4","4","7","9","4","1") = "8"
    & skf18("6","4","4","7","9","5","1") = "8"
    & skf18("6","4","4","7","9","6","1") = "8"
    & skf18("6","4","4","7","9","7","1") = "8"
    & skf18("6","4","4","7","9","8","1") = "8"
    & skf18("6","4","4","7","9","9","1") = "8"
    & skf18("6","4","4","7","9","10","1") = "9"
    & skf18("6","4","4","7","10","1","1") = "9"
    & skf18("6","4","4","7","10","2","1") = "9"
    & skf18("6","4","4","7","10","3","1") = "9"
    & skf18("6","4","4","7","10","4","1") = "9"
    & skf18("6","4","4","7","10","5","1") = "9"
    & skf18("6","4","4","7","10","6","1") = "9"
    & skf18("6","4","4","7","10","7","1") = "9"
    & skf18("6","4","4","7","10","8","1") = "9"
    & skf18("6","4","4","7","10","9","1") = "9"
    & skf18("6","4","4","7","10","10","1") = "9"
    & skf18("6","4","4","8","1","1","1") = "7"
    & skf18("6","4","4","8","1","2","1") = "7"
    & skf18("6","4","4","8","1","3","1") = "7"
    & skf18("6","4","4","8","1","4","1") = "7"
    & skf18("6","4","4","8","1","5","1") = "7"
    & skf18("6","4","4","8","1","6","1") = "7"
    & skf18("6","4","4","8","1","7","1") = "7"
    & skf18("6","4","4","8","1","8","1") = "7"
    & skf18("6","4","4","8","1","9","1") = "8"
    & skf18("6","4","4","8","1","10","1") = "9"
    & skf18("6","4","4","8","2","1","1") = "7"
    & skf18("6","4","4","8","2","2","1") = "7"
    & skf18("6","4","4","8","2","3","1") = "7"
    & skf18("6","4","4","8","2","4","1") = "7"
    & skf18("6","4","4","8","2","5","1") = "7"
    & skf18("6","4","4","8","2","6","1") = "7"
    & skf18("6","4","4","8","2","7","1") = "7"
    & skf18("6","4","4","8","2","8","1") = "7"
    & skf18("6","4","4","8","2","9","1") = "8"
    & skf18("6","4","4","8","2","10","1") = "9"
    & skf18("6","4","4","8","3","1","1") = "7"
    & skf18("6","4","4","8","3","2","1") = "7"
    & skf18("6","4","4","8","3","3","1") = "7"
    & skf18("6","4","4","8","3","4","1") = "7"
    & skf18("6","4","4","8","3","5","1") = "7"
    & skf18("6","4","4","8","3","6","1") = "7"
    & skf18("6","4","4","8","3","7","1") = "7"
    & skf18("6","4","4","8","3","8","1") = "7"
    & skf18("6","4","4","8","3","9","1") = "8"
    & skf18("6","4","4","8","3","10","1") = "9"
    & skf18("6","4","4","8","4","1","1") = "7"
    & skf18("6","4","4","8","4","2","1") = "7"
    & skf18("6","4","4","8","4","3","1") = "7"
    & skf18("6","4","4","8","4","4","1") = "7"
    & skf18("6","4","4","8","4","5","1") = "7"
    & skf18("6","4","4","8","4","6","1") = "7"
    & skf18("6","4","4","8","4","7","1") = "7"
    & skf18("6","4","4","8","4","8","1") = "7"
    & skf18("6","4","4","8","4","9","1") = "8"
    & skf18("6","4","4","8","4","10","1") = "9"
    & skf18("6","4","4","8","5","1","1") = "7"
    & skf18("6","4","4","8","5","2","1") = "7"
    & skf18("6","4","4","8","5","3","1") = "7"
    & skf18("6","4","4","8","5","4","1") = "7"
    & skf18("6","4","4","8","5","5","1") = "7"
    & skf18("6","4","4","8","5","6","1") = "7"
    & skf18("6","4","4","8","5","7","1") = "7"
    & skf18("6","4","4","8","5","8","1") = "7"
    & skf18("6","4","4","8","5","9","1") = "8"
    & skf18("6","4","4","8","5","10","1") = "9"
    & skf18("6","4","4","8","6","1","1") = "7"
    & skf18("6","4","4","8","6","2","1") = "7"
    & skf18("6","4","4","8","6","3","1") = "7"
    & skf18("6","4","4","8","6","4","1") = "7"
    & skf18("6","4","4","8","6","5","1") = "7"
    & skf18("6","4","4","8","6","6","1") = "7"
    & skf18("6","4","4","8","6","7","1") = "7"
    & skf18("6","4","4","8","6","8","1") = "7"
    & skf18("6","4","4","8","6","9","1") = "8"
    & skf18("6","4","4","8","6","10","1") = "9"
    & skf18("6","4","4","8","7","1","1") = "7"
    & skf18("6","4","4","8","7","2","1") = "7"
    & skf18("6","4","4","8","7","3","1") = "7"
    & skf18("6","4","4","8","7","4","1") = "7"
    & skf18("6","4","4","8","7","5","1") = "7"
    & skf18("6","4","4","8","7","6","1") = "7"
    & skf18("6","4","4","8","7","7","1") = "7"
    & skf18("6","4","4","8","7","8","1") = "7"
    & skf18("6","4","4","8","7","9","1") = "8"
    & skf18("6","4","4","8","7","10","1") = "9"
    & skf18("6","4","4","8","8","1","1") = "7"
    & skf18("6","4","4","8","8","2","1") = "7"
    & skf18("6","4","4","8","8","3","1") = "7"
    & skf18("6","4","4","8","8","4","1") = "7"
    & skf18("6","4","4","8","8","5","1") = "7"
    & skf18("6","4","4","8","8","6","1") = "7"
    & skf18("6","4","4","8","8","7","1") = "7"
    & skf18("6","4","4","8","8","8","1") = "7"
    & skf18("6","4","4","8","8","9","1") = "8"
    & skf18("6","4","4","8","8","10","1") = "9"
    & skf18("6","4","4","8","9","1","1") = "8"
    & skf18("6","4","4","8","9","2","1") = "8"
    & skf18("6","4","4","8","9","3","1") = "8"
    & skf18("6","4","4","8","9","4","1") = "8"
    & skf18("6","4","4","8","9","5","1") = "8"
    & skf18("6","4","4","8","9","6","1") = "8"
    & skf18("6","4","4","8","9","7","1") = "8"
    & skf18("6","4","4","8","9","8","1") = "8"
    & skf18("6","4","4","8","9","9","1") = "8"
    & skf18("6","4","4","8","9","10","1") = "9"
    & skf18("6","4","4","8","10","1","1") = "9"
    & skf18("6","4","4","8","10","2","1") = "9"
    & skf18("6","4","4","8","10","3","1") = "9"
    & skf18("6","4","4","8","10","4","1") = "9"
    & skf18("6","4","4","8","10","5","1") = "9"
    & skf18("6","4","4","8","10","6","1") = "9"
    & skf18("6","4","4","8","10","7","1") = "9"
    & skf18("6","4","4","8","10","8","1") = "9"
    & skf18("6","4","4","8","10","9","1") = "9"
    & skf18("6","4","4","8","10","10","1") = "9"
    & skf18("6","4","4","9","1","1","1") = "8"
    & skf18("6","4","4","9","1","2","1") = "8"
    & skf18("6","4","4","9","1","3","1") = "8"
    & skf18("6","4","4","9","1","4","1") = "8"
    & skf18("6","4","4","9","1","5","1") = "8"
    & skf18("6","4","4","9","1","6","1") = "8"
    & skf18("6","4","4","9","1","7","1") = "8"
    & skf18("6","4","4","9","1","8","1") = "8"
    & skf18("6","4","4","9","1","9","1") = "8"
    & skf18("6","4","4","9","1","10","1") = "9"
    & skf18("6","4","4","9","2","1","1") = "8"
    & skf18("6","4","4","9","2","2","1") = "8"
    & skf18("6","4","4","9","2","3","1") = "8"
    & skf18("6","4","4","9","2","4","1") = "8"
    & skf18("6","4","4","9","2","5","1") = "8"
    & skf18("6","4","4","9","2","6","1") = "8"
    & skf18("6","4","4","9","2","7","1") = "8"
    & skf18("6","4","4","9","2","8","1") = "8"
    & skf18("6","4","4","9","2","9","1") = "8"
    & skf18("6","4","4","9","2","10","1") = "9"
    & skf18("6","4","4","9","3","1","1") = "8"
    & skf18("6","4","4","9","3","2","1") = "8"
    & skf18("6","4","4","9","3","3","1") = "8"
    & skf18("6","4","4","9","3","4","1") = "8"
    & skf18("6","4","4","9","3","5","1") = "8"
    & skf18("6","4","4","9","3","6","1") = "8"
    & skf18("6","4","4","9","3","7","1") = "8"
    & skf18("6","4","4","9","3","8","1") = "8"
    & skf18("6","4","4","9","3","9","1") = "8"
    & skf18("6","4","4","9","3","10","1") = "9"
    & skf18("6","4","4","9","4","1","1") = "8"
    & skf18("6","4","4","9","4","2","1") = "8"
    & skf18("6","4","4","9","4","3","1") = "8"
    & skf18("6","4","4","9","4","4","1") = "8"
    & skf18("6","4","4","9","4","5","1") = "8"
    & skf18("6","4","4","9","4","6","1") = "8"
    & skf18("6","4","4","9","4","7","1") = "8"
    & skf18("6","4","4","9","4","8","1") = "8"
    & skf18("6","4","4","9","4","9","1") = "8"
    & skf18("6","4","4","9","4","10","1") = "9"
    & skf18("6","4","4","9","5","1","1") = "8"
    & skf18("6","4","4","9","5","2","1") = "8"
    & skf18("6","4","4","9","5","3","1") = "8"
    & skf18("6","4","4","9","5","4","1") = "8"
    & skf18("6","4","4","9","5","5","1") = "8"
    & skf18("6","4","4","9","5","6","1") = "8"
    & skf18("6","4","4","9","5","7","1") = "8"
    & skf18("6","4","4","9","5","8","1") = "8"
    & skf18("6","4","4","9","5","9","1") = "8"
    & skf18("6","4","4","9","5","10","1") = "9"
    & skf18("6","4","4","9","6","1","1") = "8"
    & skf18("6","4","4","9","6","2","1") = "8"
    & skf18("6","4","4","9","6","3","1") = "8"
    & skf18("6","4","4","9","6","4","1") = "8"
    & skf18("6","4","4","9","6","5","1") = "8"
    & skf18("6","4","4","9","6","6","1") = "8"
    & skf18("6","4","4","9","6","7","1") = "8"
    & skf18("6","4","4","9","6","8","1") = "8"
    & skf18("6","4","4","9","6","9","1") = "8"
    & skf18("6","4","4","9","6","10","1") = "9"
    & skf18("6","4","4","9","7","1","1") = "8"
    & skf18("6","4","4","9","7","2","1") = "8"
    & skf18("6","4","4","9","7","3","1") = "8"
    & skf18("6","4","4","9","7","4","1") = "8"
    & skf18("6","4","4","9","7","5","1") = "8"
    & skf18("6","4","4","9","7","6","1") = "8"
    & skf18("6","4","4","9","7","7","1") = "8"
    & skf18("6","4","4","9","7","8","1") = "8"
    & skf18("6","4","4","9","7","9","1") = "8"
    & skf18("6","4","4","9","7","10","1") = "9"
    & skf18("6","4","4","9","8","1","1") = "8"
    & skf18("6","4","4","9","8","2","1") = "8"
    & skf18("6","4","4","9","8","3","1") = "8"
    & skf18("6","4","4","9","8","4","1") = "8"
    & skf18("6","4","4","9","8","5","1") = "8"
    & skf18("6","4","4","9","8","6","1") = "8"
    & skf18("6","4","4","9","8","7","1") = "8"
    & skf18("6","4","4","9","8","8","1") = "8"
    & skf18("6","4","4","9","8","9","1") = "8"
    & skf18("6","4","4","9","8","10","1") = "9"
    & skf18("6","4","4","9","9","1","1") = "8"
    & skf18("6","4","4","9","9","2","1") = "8"
    & skf18("6","4","4","9","9","3","1") = "8"
    & skf18("6","4","4","9","9","4","1") = "8"
    & skf18("6","4","4","9","9","5","1") = "8"
    & skf18("6","4","4","9","9","6","1") = "8"
    & skf18("6","4","4","9","9","7","1") = "8"
    & skf18("6","4","4","9","9","8","1") = "8"
    & skf18("6","4","4","9","9","9","1") = "8"
    & skf18("6","4","4","9","9","10","1") = "9"
    & skf18("6","4","4","9","10","1","1") = "9"
    & skf18("6","4","4","9","10","2","1") = "9"
    & skf18("6","4","4","9","10","3","1") = "9"
    & skf18("6","4","4","9","10","4","1") = "9"
    & skf18("6","4","4","9","10","5","1") = "9"
    & skf18("6","4","4","9","10","6","1") = "9"
    & skf18("6","4","4","9","10","7","1") = "9"
    & skf18("6","4","4","9","10","8","1") = "9"
    & skf18("6","4","4","9","10","9","1") = "9"
    & skf18("6","4","4","9","10","10","1") = "9"
    & skf18("6","4","4","10","1","1","1") = "9"
    & skf18("6","4","4","10","1","2","1") = "9"
    & skf18("6","4","4","10","1","3","1") = "9"
    & skf18("6","4","4","10","1","4","1") = "9"
    & skf18("6","4","4","10","1","5","1") = "9"
    & skf18("6","4","4","10","1","6","1") = "9"
    & skf18("6","4","4","10","1","7","1") = "9"
    & skf18("6","4","4","10","1","8","1") = "9"
    & skf18("6","4","4","10","1","9","1") = "9"
    & skf18("6","4","4","10","1","10","1") = "9"
    & skf18("6","4","4","10","2","1","1") = "9"
    & skf18("6","4","4","10","2","2","1") = "9"
    & skf18("6","4","4","10","2","3","1") = "9"
    & skf18("6","4","4","10","2","4","1") = "9"
    & skf18("6","4","4","10","2","5","1") = "9"
    & skf18("6","4","4","10","2","6","1") = "9"
    & skf18("6","4","4","10","2","7","1") = "9"
    & skf18("6","4","4","10","2","8","1") = "9"
    & skf18("6","4","4","10","2","9","1") = "9"
    & skf18("6","4","4","10","2","10","1") = "9"
    & skf18("6","4","4","10","3","1","1") = "9"
    & skf18("6","4","4","10","3","2","1") = "9"
    & skf18("6","4","4","10","3","3","1") = "9"
    & skf18("6","4","4","10","3","4","1") = "9"
    & skf18("6","4","4","10","3","5","1") = "9"
    & skf18("6","4","4","10","3","6","1") = "9"
    & skf18("6","4","4","10","3","7","1") = "9"
    & skf18("6","4","4","10","3","8","1") = "9"
    & skf18("6","4","4","10","3","9","1") = "9"
    & skf18("6","4","4","10","3","10","1") = "9"
    & skf18("6","4","4","10","4","1","1") = "9"
    & skf18("6","4","4","10","4","2","1") = "9"
    & skf18("6","4","4","10","4","3","1") = "9"
    & skf18("6","4","4","10","4","4","1") = "9"
    & skf18("6","4","4","10","4","5","1") = "9"
    & skf18("6","4","4","10","4","6","1") = "9"
    & skf18("6","4","4","10","4","7","1") = "9"
    & skf18("6","4","4","10","4","8","1") = "9"
    & skf18("6","4","4","10","4","9","1") = "9"
    & skf18("6","4","4","10","4","10","1") = "9"
    & skf18("6","4","4","10","5","1","1") = "9"
    & skf18("6","4","4","10","5","2","1") = "9"
    & skf18("6","4","4","10","5","3","1") = "9"
    & skf18("6","4","4","10","5","4","1") = "9"
    & skf18("6","4","4","10","5","5","1") = "9"
    & skf18("6","4","4","10","5","6","1") = "9"
    & skf18("6","4","4","10","5","7","1") = "9"
    & skf18("6","4","4","10","5","8","1") = "9"
    & skf18("6","4","4","10","5","9","1") = "9"
    & skf18("6","4","4","10","5","10","1") = "9"
    & skf18("6","4","4","10","6","1","1") = "9"
    & skf18("6","4","4","10","6","2","1") = "9"
    & skf18("6","4","4","10","6","3","1") = "9"
    & skf18("6","4","4","10","6","4","1") = "9"
    & skf18("6","4","4","10","6","5","1") = "9"
    & skf18("6","4","4","10","6","6","1") = "9"
    & skf18("6","4","4","10","6","7","1") = "9"
    & skf18("6","4","4","10","6","8","1") = "9"
    & skf18("6","4","4","10","6","9","1") = "9"
    & skf18("6","4","4","10","6","10","1") = "9"
    & skf18("6","4","4","10","7","1","1") = "9"
    & skf18("6","4","4","10","7","2","1") = "9"
    & skf18("6","4","4","10","7","3","1") = "9"
    & skf18("6","4","4","10","7","4","1") = "9"
    & skf18("6","4","4","10","7","5","1") = "9"
    & skf18("6","4","4","10","7","6","1") = "9"
    & skf18("6","4","4","10","7","7","1") = "9"
    & skf18("6","4","4","10","7","8","1") = "9"
    & skf18("6","4","4","10","7","9","1") = "9"
    & skf18("6","4","4","10","7","10","1") = "9"
    & skf18("6","4","4","10","8","1","1") = "9"
    & skf18("6","4","4","10","8","2","1") = "9"
    & skf18("6","4","4","10","8","3","1") = "9"
    & skf18("6","4","4","10","8","4","1") = "9"
    & skf18("6","4","4","10","8","5","1") = "9"
    & skf18("6","4","4","10","8","6","1") = "9"
    & skf18("6","4","4","10","8","7","1") = "9"
    & skf18("6","4","4","10","8","8","1") = "9"
    & skf18("6","4","4","10","8","9","1") = "9"
    & skf18("6","4","4","10","8","10","1") = "9"
    & skf18("6","4","4","10","9","1","1") = "9"
    & skf18("6","4","4","10","9","2","1") = "9"
    & skf18("6","4","4","10","9","3","1") = "9"
    & skf18("6","4","4","10","9","4","1") = "9"
    & skf18("6","4","4","10","9","5","1") = "9"
    & skf18("6","4","4","10","9","6","1") = "9"
    & skf18("6","4","4","10","9","7","1") = "9"
    & skf18("6","4","4","10","9","8","1") = "9"
    & skf18("6","4","4","10","9","9","1") = "9"
    & skf18("6","4","4","10","9","10","1") = "9"
    & skf18("6","4","4","10","10","1","1") = "9"
    & skf18("6","4","4","10","10","2","1") = "9"
    & skf18("6","4","4","10","10","3","1") = "9"
    & skf18("6","4","4","10","10","4","1") = "9"
    & skf18("6","4","4","10","10","5","1") = "9"
    & skf18("6","4","4","10","10","6","1") = "9"
    & skf18("6","4","4","10","10","7","1") = "9"
    & skf18("6","4","4","10","10","8","1") = "9"
    & skf18("6","4","4","10","10","9","1") = "9"
    & skf18("6","4","4","10","10","10","1") = "9"
    & skf18("6","4","5","1","1","1","1") = "5"
    & skf18("6","4","5","1","1","2","1") = "5"
    & skf18("6","4","5","1","1","3","1") = "5"
    & skf18("6","4","5","1","1","4","1") = "5"
    & skf18("6","4","5","1","1","5","1") = "5"
    & skf18("6","4","5","1","1","6","1") = "5"
    & skf18("6","4","5","1","1","7","1") = "6"
    & skf18("6","4","5","1","1","8","1") = "7"
    & skf18("6","4","5","1","1","9","1") = "8"
    & skf18("6","4","5","1","1","10","1") = "9"
    & skf18("6","4","5","1","2","1","1") = "5"
    & skf18("6","4","5","1","2","2","1") = "5"
    & skf18("6","4","5","1","2","3","1") = "5"
    & skf18("6","4","5","1","2","4","1") = "5"
    & skf18("6","4","5","1","2","5","1") = "5"
    & skf18("6","4","5","1","2","6","1") = "5"
    & skf18("6","4","5","1","2","7","1") = "6"
    & skf18("6","4","5","1","2","8","1") = "7"
    & skf18("6","4","5","1","2","9","1") = "8"
    & skf18("6","4","5","1","2","10","1") = "9"
    & skf18("6","4","5","1","3","1","1") = "5"
    & skf18("6","4","5","1","3","2","1") = "5"
    & skf18("6","4","5","1","3","3","1") = "5"
    & skf18("6","4","5","1","3","4","1") = "5"
    & skf18("6","4","5","1","3","5","1") = "5"
    & skf18("6","4","5","1","3","6","1") = "5"
    & skf18("6","4","5","1","3","7","1") = "6"
    & skf18("6","4","5","1","3","8","1") = "7"
    & skf18("6","4","5","1","3","9","1") = "8"
    & skf18("6","4","5","1","3","10","1") = "9"
    & skf18("6","4","5","1","4","1","1") = "5"
    & skf18("6","4","5","1","4","2","1") = "5"
    & skf18("6","4","5","1","4","3","1") = "5"
    & skf18("6","4","5","1","4","4","1") = "5"
    & skf18("6","4","5","1","4","5","1") = "5"
    & skf18("6","4","5","1","4","6","1") = "5"
    & skf18("6","4","5","1","4","7","1") = "6"
    & skf18("6","4","5","1","4","8","1") = "7"
    & skf18("6","4","5","1","4","9","1") = "8"
    & skf18("6","4","5","1","4","10","1") = "9"
    & skf18("6","4","5","1","5","1","1") = "5"
    & skf18("6","4","5","1","5","2","1") = "5"
    & skf18("6","4","5","1","5","3","1") = "5"
    & skf18("6","4","5","1","5","4","1") = "5"
    & skf18("6","4","5","1","5","5","1") = "5"
    & skf18("6","4","5","1","5","6","1") = "5"
    & skf18("6","4","5","1","5","7","1") = "6"
    & skf18("6","4","5","1","5","8","1") = "7"
    & skf18("6","4","5","1","5","9","1") = "8"
    & skf18("6","4","5","1","5","10","1") = "9"
    & skf18("6","4","5","1","6","1","1") = "5"
    & skf18("6","4","5","1","6","2","1") = "5"
    & skf18("6","4","5","1","6","3","1") = "5"
    & skf18("6","4","5","1","6","4","1") = "5"
    & skf18("6","4","5","1","6","5","1") = "5"
    & skf18("6","4","5","1","6","6","1") = "5"
    & skf18("6","4","5","1","6","7","1") = "6"
    & skf18("6","4","5","1","6","8","1") = "7"
    & skf18("6","4","5","1","6","9","1") = "8"
    & skf18("6","4","5","1","6","10","1") = "9"
    & skf18("6","4","5","1","7","1","1") = "6"
    & skf18("6","4","5","1","7","2","1") = "6"
    & skf18("6","4","5","1","7","3","1") = "6"
    & skf18("6","4","5","1","7","4","1") = "6"
    & skf18("6","4","5","1","7","5","1") = "6"
    & skf18("6","4","5","1","7","6","1") = "6"
    & skf18("6","4","5","1","7","7","1") = "6"
    & skf18("6","4","5","1","7","8","1") = "7"
    & skf18("6","4","5","1","7","9","1") = "8"
    & skf18("6","4","5","1","7","10","1") = "9"
    & skf18("6","4","5","1","8","1","1") = "7"
    & skf18("6","4","5","1","8","2","1") = "7"
    & skf18("6","4","5","1","8","3","1") = "7"
    & skf18("6","4","5","1","8","4","1") = "7"
    & skf18("6","4","5","1","8","5","1") = "7"
    & skf18("6","4","5","1","8","6","1") = "7"
    & skf18("6","4","5","1","8","7","1") = "7"
    & skf18("6","4","5","1","8","8","1") = "7"
    & skf18("6","4","5","1","8","9","1") = "8"
    & skf18("6","4","5","1","8","10","1") = "9"
    & skf18("6","4","5","1","9","1","1") = "8"
    & skf18("6","4","5","1","9","2","1") = "8"
    & skf18("6","4","5","1","9","3","1") = "8"
    & skf18("6","4","5","1","9","4","1") = "8"
    & skf18("6","4","5","1","9","5","1") = "8"
    & skf18("6","4","5","1","9","6","1") = "8"
    & skf18("6","4","5","1","9","7","1") = "8"
    & skf18("6","4","5","1","9","8","1") = "8"
    & skf18("6","4","5","1","9","9","1") = "8"
    & skf18("6","4","5","1","9","10","1") = "9"
    & skf18("6","4","5","1","10","1","1") = "9"
    & skf18("6","4","5","1","10","2","1") = "9"
    & skf18("6","4","5","1","10","3","1") = "9"
    & skf18("6","4","5","1","10","4","1") = "9"
    & skf18("6","4","5","1","10","5","1") = "9"
    & skf18("6","4","5","1","10","6","1") = "9"
    & skf18("6","4","5","1","10","7","1") = "9"
    & skf18("6","4","5","1","10","8","1") = "9"
    & skf18("6","4","5","1","10","9","1") = "9"
    & skf18("6","4","5","1","10","10","1") = "9"
    & skf18("6","4","5","2","1","1","1") = "5"
    & skf18("6","4","5","2","1","2","1") = "5"
    & skf18("6","4","5","2","1","3","1") = "5"
    & skf18("6","4","5","2","1","4","1") = "5"
    & skf18("6","4","5","2","1","5","1") = "5"
    & skf18("6","4","5","2","1","6","1") = "5"
    & skf18("6","4","5","2","1","7","1") = "6"
    & skf18("6","4","5","2","1","8","1") = "7"
    & skf18("6","4","5","2","1","9","1") = "8"
    & skf18("6","4","5","2","1","10","1") = "9"
    & skf18("6","4","5","2","2","1","1") = "5"
    & skf18("6","4","5","2","2","2","1") = "5"
    & skf18("6","4","5","2","2","3","1") = "5"
    & skf18("6","4","5","2","2","4","1") = "5"
    & skf18("6","4","5","2","2","5","1") = "5"
    & skf18("6","4","5","2","2","6","1") = "5"
    & skf18("6","4","5","2","2","7","1") = "6"
    & skf18("6","4","5","2","2","8","1") = "7"
    & skf18("6","4","5","2","2","9","1") = "8"
    & skf18("6","4","5","2","2","10","1") = "9"
    & skf18("6","4","5","2","3","1","1") = "5"
    & skf18("6","4","5","2","3","2","1") = "5"
    & skf18("6","4","5","2","3","3","1") = "5"
    & skf18("6","4","5","2","3","4","1") = "5"
    & skf18("6","4","5","2","3","5","1") = "5"
    & skf18("6","4","5","2","3","6","1") = "5"
    & skf18("6","4","5","2","3","7","1") = "6"
    & skf18("6","4","5","2","3","8","1") = "7"
    & skf18("6","4","5","2","3","9","1") = "8"
    & skf18("6","4","5","2","3","10","1") = "9"
    & skf18("6","4","5","2","4","1","1") = "5"
    & skf18("6","4","5","2","4","2","1") = "5"
    & skf18("6","4","5","2","4","3","1") = "5"
    & skf18("6","4","5","2","4","4","1") = "5"
    & skf18("6","4","5","2","4","5","1") = "5"
    & skf18("6","4","5","2","4","6","1") = "5"
    & skf18("6","4","5","2","4","7","1") = "6"
    & skf18("6","4","5","2","4","8","1") = "7"
    & skf18("6","4","5","2","4","9","1") = "8"
    & skf18("6","4","5","2","4","10","1") = "9"
    & skf18("6","4","5","2","5","1","1") = "5"
    & skf18("6","4","5","2","5","2","1") = "5"
    & skf18("6","4","5","2","5","3","1") = "5"
    & skf18("6","4","5","2","5","4","1") = "5"
    & skf18("6","4","5","2","5","5","1") = "5"
    & skf18("6","4","5","2","5","6","1") = "5"
    & skf18("6","4","5","2","5","7","1") = "6"
    & skf18("6","4","5","2","5","8","1") = "7"
    & skf18("6","4","5","2","5","9","1") = "8"
    & skf18("6","4","5","2","5","10","1") = "9"
    & skf18("6","4","5","2","6","1","1") = "5"
    & skf18("6","4","5","2","6","2","1") = "5"
    & skf18("6","4","5","2","6","3","1") = "5"
    & skf18("6","4","5","2","6","4","1") = "5"
    & skf18("6","4","5","2","6","5","1") = "5"
    & skf18("6","4","5","2","6","6","1") = "5"
    & skf18("6","4","5","2","6","7","1") = "6"
    & skf18("6","4","5","2","6","8","1") = "7"
    & skf18("6","4","5","2","6","9","1") = "8"
    & skf18("6","4","5","2","6","10","1") = "9"
    & skf18("6","4","5","2","7","1","1") = "6"
    & skf18("6","4","5","2","7","2","1") = "6"
    & skf18("6","4","5","2","7","3","1") = "6"
    & skf18("6","4","5","2","7","4","1") = "6"
    & skf18("6","4","5","2","7","5","1") = "6"
    & skf18("6","4","5","2","7","6","1") = "6"
    & skf18("6","4","5","2","7","7","1") = "6"
    & skf18("6","4","5","2","7","8","1") = "7"
    & skf18("6","4","5","2","7","9","1") = "8"
    & skf18("6","4","5","2","7","10","1") = "9"
    & skf18("6","4","5","2","8","1","1") = "7"
    & skf18("6","4","5","2","8","2","1") = "7"
    & skf18("6","4","5","2","8","3","1") = "7"
    & skf18("6","4","5","2","8","4","1") = "7"
    & skf18("6","4","5","2","8","5","1") = "7"
    & skf18("6","4","5","2","8","6","1") = "7"
    & skf18("6","4","5","2","8","7","1") = "7"
    & skf18("6","4","5","2","8","8","1") = "7"
    & skf18("6","4","5","2","8","9","1") = "8"
    & skf18("6","4","5","2","8","10","1") = "9"
    & skf18("6","4","5","2","9","1","1") = "8"
    & skf18("6","4","5","2","9","2","1") = "8"
    & skf18("6","4","5","2","9","3","1") = "8"
    & skf18("6","4","5","2","9","4","1") = "8"
    & skf18("6","4","5","2","9","5","1") = "8"
    & skf18("6","4","5","2","9","6","1") = "8"
    & skf18("6","4","5","2","9","7","1") = "8"
    & skf18("6","4","5","2","9","8","1") = "8"
    & skf18("6","4","5","2","9","9","1") = "8"
    & skf18("6","4","5","2","9","10","1") = "9"
    & skf18("6","4","5","2","10","1","1") = "9"
    & skf18("6","4","5","2","10","2","1") = "9"
    & skf18("6","4","5","2","10","3","1") = "9"
    & skf18("6","4","5","2","10","4","1") = "9"
    & skf18("6","4","5","2","10","5","1") = "9"
    & skf18("6","4","5","2","10","6","1") = "9"
    & skf18("6","4","5","2","10","7","1") = "9"
    & skf18("6","4","5","2","10","8","1") = "9"
    & skf18("6","4","5","2","10","9","1") = "9"
    & skf18("6","4","5","2","10","10","1") = "9"
    & skf18("6","4","5","3","1","1","1") = "5"
    & skf18("6","4","5","3","1","2","1") = "5"
    & skf18("6","4","5","3","1","3","1") = "5"
    & skf18("6","4","5","3","1","4","1") = "5"
    & skf18("6","4","5","3","1","5","1") = "5"
    & skf18("6","4","5","3","1","6","1") = "5"
    & skf18("6","4","5","3","1","7","1") = "6"
    & skf18("6","4","5","3","1","8","1") = "7"
    & skf18("6","4","5","3","1","9","1") = "8"
    & skf18("6","4","5","3","1","10","1") = "9"
    & skf18("6","4","5","3","2","1","1") = "5"
    & skf18("6","4","5","3","2","2","1") = "5"
    & skf18("6","4","5","3","2","3","1") = "5"
    & skf18("6","4","5","3","2","4","1") = "5"
    & skf18("6","4","5","3","2","5","1") = "5"
    & skf18("6","4","5","3","2","6","1") = "5"
    & skf18("6","4","5","3","2","7","1") = "6"
    & skf18("6","4","5","3","2","8","1") = "7"
    & skf18("6","4","5","3","2","9","1") = "8"
    & skf18("6","4","5","3","2","10","1") = "9"
    & skf18("6","4","5","3","3","1","1") = "5"
    & skf18("6","4","5","3","3","2","1") = "5"
    & skf18("6","4","5","3","3","3","1") = "5"
    & skf18("6","4","5","3","3","4","1") = "5"
    & skf18("6","4","5","3","3","5","1") = "5"
    & skf18("6","4","5","3","3","6","1") = "5"
    & skf18("6","4","5","3","3","7","1") = "6"
    & skf18("6","4","5","3","3","8","1") = "7"
    & skf18("6","4","5","3","3","9","1") = "8"
    & skf18("6","4","5","3","3","10","1") = "9"
    & skf18("6","4","5","3","4","1","1") = "5"
    & skf18("6","4","5","3","4","2","1") = "5"
    & skf18("6","4","5","3","4","3","1") = "5"
    & skf18("6","4","5","3","4","4","1") = "5"
    & skf18("6","4","5","3","4","5","1") = "5"
    & skf18("6","4","5","3","4","6","1") = "5"
    & skf18("6","4","5","3","4","7","1") = "6"
    & skf18("6","4","5","3","4","8","1") = "7"
    & skf18("6","4","5","3","4","9","1") = "8"
    & skf18("6","4","5","3","4","10","1") = "9"
    & skf18("6","4","5","3","5","1","1") = "5"
    & skf18("6","4","5","3","5","2","1") = "5"
    & skf18("6","4","5","3","5","3","1") = "5"
    & skf18("6","4","5","3","5","4","1") = "5"
    & skf18("6","4","5","3","5","5","1") = "5"
    & skf18("6","4","5","3","5","6","1") = "5"
    & skf18("6","4","5","3","5","7","1") = "6"
    & skf18("6","4","5","3","5","8","1") = "7"
    & skf18("6","4","5","3","5","9","1") = "8"
    & skf18("6","4","5","3","5","10","1") = "9"
    & skf18("6","4","5","3","6","1","1") = "5"
    & skf18("6","4","5","3","6","2","1") = "5"
    & skf18("6","4","5","3","6","3","1") = "5"
    & skf18("6","4","5","3","6","4","1") = "5"
    & skf18("6","4","5","3","6","5","1") = "5"
    & skf18("6","4","5","3","6","6","1") = "5"
    & skf18("6","4","5","3","6","7","1") = "6"
    & skf18("6","4","5","3","6","8","1") = "7"
    & skf18("6","4","5","3","6","9","1") = "8"
    & skf18("6","4","5","3","6","10","1") = "9"
    & skf18("6","4","5","3","7","1","1") = "6"
    & skf18("6","4","5","3","7","2","1") = "6"
    & skf18("6","4","5","3","7","3","1") = "6"
    & skf18("6","4","5","3","7","4","1") = "6"
    & skf18("6","4","5","3","7","5","1") = "6"
    & skf18("6","4","5","3","7","6","1") = "6"
    & skf18("6","4","5","3","7","7","1") = "6"
    & skf18("6","4","5","3","7","8","1") = "7"
    & skf18("6","4","5","3","7","9","1") = "8"
    & skf18("6","4","5","3","7","10","1") = "9"
    & skf18("6","4","5","3","8","1","1") = "7"
    & skf18("6","4","5","3","8","2","1") = "7"
    & skf18("6","4","5","3","8","3","1") = "7"
    & skf18("6","4","5","3","8","4","1") = "7"
    & skf18("6","4","5","3","8","5","1") = "7"
    & skf18("6","4","5","3","8","6","1") = "7"
    & skf18("6","4","5","3","8","7","1") = "7"
    & skf18("6","4","5","3","8","8","1") = "7"
    & skf18("6","4","5","3","8","9","1") = "8"
    & skf18("6","4","5","3","8","10","1") = "9"
    & skf18("6","4","5","3","9","1","1") = "8"
    & skf18("6","4","5","3","9","2","1") = "8"
    & skf18("6","4","5","3","9","3","1") = "8"
    & skf18("6","4","5","3","9","4","1") = "8"
    & skf18("6","4","5","3","9","5","1") = "8"
    & skf18("6","4","5","3","9","6","1") = "8"
    & skf18("6","4","5","3","9","7","1") = "8"
    & skf18("6","4","5","3","9","8","1") = "8"
    & skf18("6","4","5","3","9","9","1") = "8"
    & skf18("6","4","5","3","9","10","1") = "9"
    & skf18("6","4","5","3","10","1","1") = "9"
    & skf18("6","4","5","3","10","2","1") = "9"
    & skf18("6","4","5","3","10","3","1") = "9"
    & skf18("6","4","5","3","10","4","1") = "9"
    & skf18("6","4","5","3","10","5","1") = "9"
    & skf18("6","4","5","3","10","6","1") = "9"
    & skf18("6","4","5","3","10","7","1") = "9"
    & skf18("6","4","5","3","10","8","1") = "9"
    & skf18("6","4","5","3","10","9","1") = "9"
    & skf18("6","4","5","3","10","10","1") = "9"
    & skf18("6","4","5","4","1","1","1") = "5"
    & skf18("6","4","5","4","1","2","1") = "5"
    & skf18("6","4","5","4","1","3","1") = "5"
    & skf18("6","4","5","4","1","4","1") = "5"
    & skf18("6","4","5","4","1","5","1") = "5"
    & skf18("6","4","5","4","1","6","1") = "5"
    & skf18("6","4","5","4","1","7","1") = "6"
    & skf18("6","4","5","4","1","8","1") = "7"
    & skf18("6","4","5","4","1","9","1") = "8"
    & skf18("6","4","5","4","1","10","1") = "9"
    & skf18("6","4","5","4","2","1","1") = "5"
    & skf18("6","4","5","4","2","2","1") = "5"
    & skf18("6","4","5","4","2","3","1") = "5"
    & skf18("6","4","5","4","2","4","1") = "5"
    & skf18("6","4","5","4","2","5","1") = "5"
    & skf18("6","4","5","4","2","6","1") = "5"
    & skf18("6","4","5","4","2","7","1") = "6"
    & skf18("6","4","5","4","2","8","1") = "7"
    & skf18("6","4","5","4","2","9","1") = "8"
    & skf18("6","4","5","4","2","10","1") = "9"
    & skf18("6","4","5","4","3","1","1") = "5"
    & skf18("6","4","5","4","3","2","1") = "5"
    & skf18("6","4","5","4","3","3","1") = "5"
    & skf18("6","4","5","4","3","4","1") = "5"
    & skf18("6","4","5","4","3","5","1") = "5"
    & skf18("6","4","5","4","3","6","1") = "5"
    & skf18("6","4","5","4","3","7","1") = "6"
    & skf18("6","4","5","4","3","8","1") = "7"
    & skf18("6","4","5","4","3","9","1") = "8"
    & skf18("6","4","5","4","3","10","1") = "9"
    & skf18("6","4","5","4","4","1","1") = "5"
    & skf18("6","4","5","4","4","2","1") = "5"
    & skf18("6","4","5","4","4","3","1") = "5"
    & skf18("6","4","5","4","4","4","1") = "5"
    & skf18("6","4","5","4","4","5","1") = "5"
    & skf18("6","4","5","4","4","6","1") = "5"
    & skf18("6","4","5","4","4","7","1") = "6"
    & skf18("6","4","5","4","4","8","1") = "7"
    & skf18("6","4","5","4","4","9","1") = "8"
    & skf18("6","4","5","4","4","10","1") = "9"
    & skf18("6","4","5","4","5","1","1") = "5"
    & skf18("6","4","5","4","5","2","1") = "5"
    & skf18("6","4","5","4","5","3","1") = "5"
    & skf18("6","4","5","4","5","4","1") = "5"
    & skf18("6","4","5","4","5","5","1") = "5"
    & skf18("6","4","5","4","5","6","1") = "5"
    & skf18("6","4","5","4","5","7","1") = "6"
    & skf18("6","4","5","4","5","8","1") = "7"
    & skf18("6","4","5","4","5","9","1") = "8"
    & skf18("6","4","5","4","5","10","1") = "9"
    & skf18("6","4","5","4","6","1","1") = "5"
    & skf18("6","4","5","4","6","2","1") = "5"
    & skf18("6","4","5","4","6","3","1") = "5"
    & skf18("6","4","5","4","6","4","1") = "5"
    & skf18("6","4","5","4","6","5","1") = "5"
    & skf18("6","4","5","4","6","6","1") = "5"
    & skf18("6","4","5","4","6","7","1") = "6"
    & skf18("6","4","5","4","6","8","1") = "7"
    & skf18("6","4","5","4","6","9","1") = "8"
    & skf18("6","4","5","4","6","10","1") = "9"
    & skf18("6","4","5","4","7","1","1") = "6"
    & skf18("6","4","5","4","7","2","1") = "6"
    & skf18("6","4","5","4","7","3","1") = "6"
    & skf18("6","4","5","4","7","4","1") = "6"
    & skf18("6","4","5","4","7","5","1") = "6"
    & skf18("6","4","5","4","7","6","1") = "6"
    & skf18("6","4","5","4","7","7","1") = "6"
    & skf18("6","4","5","4","7","8","1") = "7"
    & skf18("6","4","5","4","7","9","1") = "8"
    & skf18("6","4","5","4","7","10","1") = "9"
    & skf18("6","4","5","4","8","1","1") = "7"
    & skf18("6","4","5","4","8","2","1") = "7"
    & skf18("6","4","5","4","8","3","1") = "7"
    & skf18("6","4","5","4","8","4","1") = "7"
    & skf18("6","4","5","4","8","5","1") = "7"
    & skf18("6","4","5","4","8","6","1") = "7"
    & skf18("6","4","5","4","8","7","1") = "7"
    & skf18("6","4","5","4","8","8","1") = "7"
    & skf18("6","4","5","4","8","9","1") = "8"
    & skf18("6","4","5","4","8","10","1") = "9"
    & skf18("6","4","5","4","9","1","1") = "8"
    & skf18("6","4","5","4","9","2","1") = "8"
    & skf18("6","4","5","4","9","3","1") = "8"
    & skf18("6","4","5","4","9","4","1") = "8"
    & skf18("6","4","5","4","9","5","1") = "8"
    & skf18("6","4","5","4","9","6","1") = "8"
    & skf18("6","4","5","4","9","7","1") = "8"
    & skf18("6","4","5","4","9","8","1") = "8"
    & skf18("6","4","5","4","9","9","1") = "8"
    & skf18("6","4","5","4","9","10","1") = "9"
    & skf18("6","4","5","4","10","1","1") = "9"
    & skf18("6","4","5","4","10","2","1") = "9"
    & skf18("6","4","5","4","10","3","1") = "9"
    & skf18("6","4","5","4","10","4","1") = "9"
    & skf18("6","4","5","4","10","5","1") = "9"
    & skf18("6","4","5","4","10","6","1") = "9"
    & skf18("6","4","5","4","10","7","1") = "9"
    & skf18("6","4","5","4","10","8","1") = "9"
    & skf18("6","4","5","4","10","9","1") = "9"
    & skf18("6","4","5","4","10","10","1") = "9"
    & skf18("6","4","5","5","1","1","1") = "5"
    & skf18("6","4","5","5","1","2","1") = "5"
    & skf18("6","4","5","5","1","3","1") = "5"
    & skf18("6","4","5","5","1","4","1") = "5"
    & skf18("6","4","5","5","1","5","1") = "5"
    & skf18("6","4","5","5","1","6","1") = "5"
    & skf18("6","4","5","5","1","7","1") = "6"
    & skf18("6","4","5","5","1","8","1") = "7"
    & skf18("6","4","5","5","1","9","1") = "8"
    & skf18("6","4","5","5","1","10","1") = "9"
    & skf18("6","4","5","5","2","1","1") = "5"
    & skf18("6","4","5","5","2","2","1") = "5"
    & skf18("6","4","5","5","2","3","1") = "5"
    & skf18("6","4","5","5","2","4","1") = "5"
    & skf18("6","4","5","5","2","5","1") = "5"
    & skf18("6","4","5","5","2","6","1") = "5"
    & skf18("6","4","5","5","2","7","1") = "6"
    & skf18("6","4","5","5","2","8","1") = "7"
    & skf18("6","4","5","5","2","9","1") = "8"
    & skf18("6","4","5","5","2","10","1") = "9"
    & skf18("6","4","5","5","3","1","1") = "5"
    & skf18("6","4","5","5","3","2","1") = "5"
    & skf18("6","4","5","5","3","3","1") = "5"
    & skf18("6","4","5","5","3","4","1") = "5"
    & skf18("6","4","5","5","3","5","1") = "5"
    & skf18("6","4","5","5","3","6","1") = "5"
    & skf18("6","4","5","5","3","7","1") = "6"
    & skf18("6","4","5","5","3","8","1") = "7"
    & skf18("6","4","5","5","3","9","1") = "8"
    & skf18("6","4","5","5","3","10","1") = "9"
    & skf18("6","4","5","5","4","1","1") = "5"
    & skf18("6","4","5","5","4","2","1") = "5"
    & skf18("6","4","5","5","4","3","1") = "5"
    & skf18("6","4","5","5","4","4","1") = "5"
    & skf18("6","4","5","5","4","5","1") = "5"
    & skf18("6","4","5","5","4","6","1") = "5"
    & skf18("6","4","5","5","4","7","1") = "6"
    & skf18("6","4","5","5","4","8","1") = "7"
    & skf18("6","4","5","5","4","9","1") = "8"
    & skf18("6","4","5","5","4","10","1") = "9"
    & skf18("6","4","5","5","5","1","1") = "5"
    & skf18("6","4","5","5","5","2","1") = "5"
    & skf18("6","4","5","5","5","3","1") = "5"
    & skf18("6","4","5","5","5","4","1") = "5"
    & skf18("6","4","5","5","5","5","1") = "5"
    & skf18("6","4","5","5","5","6","1") = "5"
    & skf18("6","4","5","5","5","7","1") = "6"
    & skf18("6","4","5","5","5","8","1") = "7"
    & skf18("6","4","5","5","5","9","1") = "8"
    & skf18("6","4","5","5","5","10","1") = "9"
    & skf18("6","4","5","5","6","1","1") = "5"
    & skf18("6","4","5","5","6","2","1") = "5"
    & skf18("6","4","5","5","6","3","1") = "5"
    & skf18("6","4","5","5","6","4","1") = "5"
    & skf18("6","4","5","5","6","5","1") = "5"
    & skf18("6","4","5","5","6","6","1") = "5"
    & skf18("6","4","5","5","6","7","1") = "6"
    & skf18("6","4","5","5","6","8","1") = "7"
    & skf18("6","4","5","5","6","9","1") = "8"
    & skf18("6","4","5","5","6","10","1") = "9"
    & skf18("6","4","5","5","7","1","1") = "6"
    & skf18("6","4","5","5","7","2","1") = "6"
    & skf18("6","4","5","5","7","3","1") = "6"
    & skf18("6","4","5","5","7","4","1") = "6"
    & skf18("6","4","5","5","7","5","1") = "6"
    & skf18("6","4","5","5","7","6","1") = "6"
    & skf18("6","4","5","5","7","7","1") = "6"
    & skf18("6","4","5","5","7","8","1") = "7"
    & skf18("6","4","5","5","7","9","1") = "8"
    & skf18("6","4","5","5","7","10","1") = "9"
    & skf18("6","4","5","5","8","1","1") = "7"
    & skf18("6","4","5","5","8","2","1") = "7"
    & skf18("6","4","5","5","8","3","1") = "7"
    & skf18("6","4","5","5","8","4","1") = "7"
    & skf18("6","4","5","5","8","5","1") = "7"
    & skf18("6","4","5","5","8","6","1") = "7"
    & skf18("6","4","5","5","8","7","1") = "7"
    & skf18("6","4","5","5","8","8","1") = "7"
    & skf18("6","4","5","5","8","9","1") = "8"
    & skf18("6","4","5","5","8","10","1") = "9"
    & skf18("6","4","5","5","9","1","1") = "8"
    & skf18("6","4","5","5","9","2","1") = "8"
    & skf18("6","4","5","5","9","3","1") = "8"
    & skf18("6","4","5","5","9","4","1") = "8"
    & skf18("6","4","5","5","9","5","1") = "8"
    & skf18("6","4","5","5","9","6","1") = "8"
    & skf18("6","4","5","5","9","7","1") = "8"
    & skf18("6","4","5","5","9","8","1") = "8"
    & skf18("6","4","5","5","9","9","1") = "8"
    & skf18("6","4","5","5","9","10","1") = "9"
    & skf18("6","4","5","5","10","1","1") = "9"
    & skf18("6","4","5","5","10","2","1") = "9"
    & skf18("6","4","5","5","10","3","1") = "9"
    & skf18("6","4","5","5","10","4","1") = "9"
    & skf18("6","4","5","5","10","5","1") = "9"
    & skf18("6","4","5","5","10","6","1") = "9"
    & skf18("6","4","5","5","10","7","1") = "9"
    & skf18("6","4","5","5","10","8","1") = "9"
    & skf18("6","4","5","5","10","9","1") = "9"
    & skf18("6","4","5","5","10","10","1") = "9"
    & skf18("6","4","5","6","1","1","1") = "5"
    & skf18("6","4","5","6","1","2","1") = "5"
    & skf18("6","4","5","6","1","3","1") = "5"
    & skf18("6","4","5","6","1","4","1") = "5"
    & skf18("6","4","5","6","1","5","1") = "5"
    & skf18("6","4","5","6","1","6","1") = "5"
    & skf18("6","4","5","6","1","7","1") = "6"
    & skf18("6","4","5","6","1","8","1") = "7"
    & skf18("6","4","5","6","1","9","1") = "8"
    & skf18("6","4","5","6","1","10","1") = "9"
    & skf18("6","4","5","6","2","1","1") = "5"
    & skf18("6","4","5","6","2","2","1") = "5"
    & skf18("6","4","5","6","2","3","1") = "5"
    & skf18("6","4","5","6","2","4","1") = "5"
    & skf18("6","4","5","6","2","5","1") = "5"
    & skf18("6","4","5","6","2","6","1") = "5"
    & skf18("6","4","5","6","2","7","1") = "6"
    & skf18("6","4","5","6","2","8","1") = "7"
    & skf18("6","4","5","6","2","9","1") = "8"
    & skf18("6","4","5","6","2","10","1") = "9"
    & skf18("6","4","5","6","3","1","1") = "5"
    & skf18("6","4","5","6","3","2","1") = "5"
    & skf18("6","4","5","6","3","3","1") = "5"
    & skf18("6","4","5","6","3","4","1") = "5"
    & skf18("6","4","5","6","3","5","1") = "5"
    & skf18("6","4","5","6","3","6","1") = "5"
    & skf18("6","4","5","6","3","7","1") = "6"
    & skf18("6","4","5","6","3","8","1") = "7"
    & skf18("6","4","5","6","3","9","1") = "8"
    & skf18("6","4","5","6","3","10","1") = "9"
    & skf18("6","4","5","6","4","1","1") = "5"
    & skf18("6","4","5","6","4","2","1") = "5"
    & skf18("6","4","5","6","4","3","1") = "5"
    & skf18("6","4","5","6","4","4","1") = "5"
    & skf18("6","4","5","6","4","5","1") = "5"
    & skf18("6","4","5","6","4","6","1") = "5"
    & skf18("6","4","5","6","4","7","1") = "6"
    & skf18("6","4","5","6","4","8","1") = "7"
    & skf18("6","4","5","6","4","9","1") = "8"
    & skf18("6","4","5","6","4","10","1") = "9"
    & skf18("6","4","5","6","5","1","1") = "5"
    & skf18("6","4","5","6","5","2","1") = "5"
    & skf18("6","4","5","6","5","3","1") = "5"
    & skf18("6","4","5","6","5","4","1") = "5"
    & skf18("6","4","5","6","5","5","1") = "5"
    & skf18("6","4","5","6","5","6","1") = "5"
    & skf18("6","4","5","6","5","7","1") = "6"
    & skf18("6","4","5","6","5","8","1") = "7"
    & skf18("6","4","5","6","5","9","1") = "8"
    & skf18("6","4","5","6","5","10","1") = "9"
    & skf18("6","4","5","6","6","1","1") = "5"
    & skf18("6","4","5","6","6","2","1") = "5"
    & skf18("6","4","5","6","6","3","1") = "5"
    & skf18("6","4","5","6","6","4","1") = "5"
    & skf18("6","4","5","6","6","5","1") = "5"
    & skf18("6","4","5","6","6","6","1") = "5"
    & skf18("6","4","5","6","6","7","1") = "6"
    & skf18("6","4","5","6","6","8","1") = "7"
    & skf18("6","4","5","6","6","9","1") = "8"
    & skf18("6","4","5","6","6","10","1") = "9"
    & skf18("6","4","5","6","7","1","1") = "6"
    & skf18("6","4","5","6","7","2","1") = "6"
    & skf18("6","4","5","6","7","3","1") = "6"
    & skf18("6","4","5","6","7","4","1") = "6"
    & skf18("6","4","5","6","7","5","1") = "6"
    & skf18("6","4","5","6","7","6","1") = "6"
    & skf18("6","4","5","6","7","7","1") = "6"
    & skf18("6","4","5","6","7","8","1") = "7"
    & skf18("6","4","5","6","7","9","1") = "8"
    & skf18("6","4","5","6","7","10","1") = "9"
    & skf18("6","4","5","6","8","1","1") = "7"
    & skf18("6","4","5","6","8","2","1") = "7"
    & skf18("6","4","5","6","8","3","1") = "7"
    & skf18("6","4","5","6","8","4","1") = "7"
    & skf18("6","4","5","6","8","5","1") = "7"
    & skf18("6","4","5","6","8","6","1") = "7"
    & skf18("6","4","5","6","8","7","1") = "7"
    & skf18("6","4","5","6","8","8","1") = "7"
    & skf18("6","4","5","6","8","9","1") = "8"
    & skf18("6","4","5","6","8","10","1") = "9"
    & skf18("6","4","5","6","9","1","1") = "8"
    & skf18("6","4","5","6","9","2","1") = "8"
    & skf18("6","4","5","6","9","3","1") = "8"
    & skf18("6","4","5","6","9","4","1") = "8"
    & skf18("6","4","5","6","9","5","1") = "8"
    & skf18("6","4","5","6","9","6","1") = "8"
    & skf18("6","4","5","6","9","7","1") = "8"
    & skf18("6","4","5","6","9","8","1") = "8"
    & skf18("6","4","5","6","9","9","1") = "8"
    & skf18("6","4","5","6","9","10","1") = "9"
    & skf18("6","4","5","6","10","1","1") = "9"
    & skf18("6","4","5","6","10","2","1") = "9"
    & skf18("6","4","5","6","10","3","1") = "9"
    & skf18("6","4","5","6","10","4","1") = "9"
    & skf18("6","4","5","6","10","5","1") = "9"
    & skf18("6","4","5","6","10","6","1") = "9"
    & skf18("6","4","5","6","10","7","1") = "9"
    & skf18("6","4","5","6","10","8","1") = "9"
    & skf18("6","4","5","6","10","9","1") = "9"
    & skf18("6","4","5","6","10","10","1") = "9"
    & skf18("6","4","5","7","1","1","1") = "6"
    & skf18("6","4","5","7","1","2","1") = "6"
    & skf18("6","4","5","7","1","3","1") = "6"
    & skf18("6","4","5","7","1","4","1") = "6"
    & skf18("6","4","5","7","1","5","1") = "6"
    & skf18("6","4","5","7","1","6","1") = "6"
    & skf18("6","4","5","7","1","7","1") = "6"
    & skf18("6","4","5","7","1","8","1") = "7"
    & skf18("6","4","5","7","1","9","1") = "8"
    & skf18("6","4","5","7","1","10","1") = "9"
    & skf18("6","4","5","7","2","1","1") = "6"
    & skf18("6","4","5","7","2","2","1") = "6"
    & skf18("6","4","5","7","2","3","1") = "6"
    & skf18("6","4","5","7","2","4","1") = "6"
    & skf18("6","4","5","7","2","5","1") = "6"
    & skf18("6","4","5","7","2","6","1") = "6"
    & skf18("6","4","5","7","2","7","1") = "6"
    & skf18("6","4","5","7","2","8","1") = "7"
    & skf18("6","4","5","7","2","9","1") = "8"
    & skf18("6","4","5","7","2","10","1") = "9"
    & skf18("6","4","5","7","3","1","1") = "6"
    & skf18("6","4","5","7","3","2","1") = "6"
    & skf18("6","4","5","7","3","3","1") = "6"
    & skf18("6","4","5","7","3","4","1") = "6"
    & skf18("6","4","5","7","3","5","1") = "6"
    & skf18("6","4","5","7","3","6","1") = "6"
    & skf18("6","4","5","7","3","7","1") = "6"
    & skf18("6","4","5","7","3","8","1") = "7"
    & skf18("6","4","5","7","3","9","1") = "8"
    & skf18("6","4","5","7","3","10","1") = "9"
    & skf18("6","4","5","7","4","1","1") = "6"
    & skf18("6","4","5","7","4","2","1") = "6"
    & skf18("6","4","5","7","4","3","1") = "6"
    & skf18("6","4","5","7","4","4","1") = "6"
    & skf18("6","4","5","7","4","5","1") = "6"
    & skf18("6","4","5","7","4","6","1") = "6"
    & skf18("6","4","5","7","4","7","1") = "6"
    & skf18("6","4","5","7","4","8","1") = "7"
    & skf18("6","4","5","7","4","9","1") = "8"
    & skf18("6","4","5","7","4","10","1") = "9"
    & skf18("6","4","5","7","5","1","1") = "6"
    & skf18("6","4","5","7","5","2","1") = "6"
    & skf18("6","4","5","7","5","3","1") = "6"
    & skf18("6","4","5","7","5","4","1") = "6"
    & skf18("6","4","5","7","5","5","1") = "6"
    & skf18("6","4","5","7","5","6","1") = "6"
    & skf18("6","4","5","7","5","7","1") = "6"
    & skf18("6","4","5","7","5","8","1") = "7"
    & skf18("6","4","5","7","5","9","1") = "8"
    & skf18("6","4","5","7","5","10","1") = "9"
    & skf18("6","4","5","7","6","1","1") = "6"
    & skf18("6","4","5","7","6","2","1") = "6"
    & skf18("6","4","5","7","6","3","1") = "6"
    & skf18("6","4","5","7","6","4","1") = "6"
    & skf18("6","4","5","7","6","5","1") = "6"
    & skf18("6","4","5","7","6","6","1") = "6"
    & skf18("6","4","5","7","6","7","1") = "6"
    & skf18("6","4","5","7","6","8","1") = "7"
    & skf18("6","4","5","7","6","9","1") = "8"
    & skf18("6","4","5","7","6","10","1") = "9"
    & skf18("6","4","5","7","7","1","1") = "6"
    & skf18("6","4","5","7","7","2","1") = "6"
    & skf18("6","4","5","7","7","3","1") = "6"
    & skf18("6","4","5","7","7","4","1") = "6"
    & skf18("6","4","5","7","7","5","1") = "6"
    & skf18("6","4","5","7","7","6","1") = "6"
    & skf18("6","4","5","7","7","7","1") = "6"
    & skf18("6","4","5","7","7","8","1") = "7"
    & skf18("6","4","5","7","7","9","1") = "8"
    & skf18("6","4","5","7","7","10","1") = "9"
    & skf18("6","4","5","7","8","1","1") = "7"
    & skf18("6","4","5","7","8","2","1") = "7"
    & skf18("6","4","5","7","8","3","1") = "7"
    & skf18("6","4","5","7","8","4","1") = "7"
    & skf18("6","4","5","7","8","5","1") = "7"
    & skf18("6","4","5","7","8","6","1") = "7"
    & skf18("6","4","5","7","8","7","1") = "7"
    & skf18("6","4","5","7","8","8","1") = "7"
    & skf18("6","4","5","7","8","9","1") = "8"
    & skf18("6","4","5","7","8","10","1") = "9"
    & skf18("6","4","5","7","9","1","1") = "8"
    & skf18("6","4","5","7","9","2","1") = "8"
    & skf18("6","4","5","7","9","3","1") = "8"
    & skf18("6","4","5","7","9","4","1") = "8"
    & skf18("6","4","5","7","9","5","1") = "8"
    & skf18("6","4","5","7","9","6","1") = "8"
    & skf18("6","4","5","7","9","7","1") = "8"
    & skf18("6","4","5","7","9","8","1") = "8"
    & skf18("6","4","5","7","9","9","1") = "8"
    & skf18("6","4","5","7","9","10","1") = "9"
    & skf18("6","4","5","7","10","1","1") = "9"
    & skf18("6","4","5","7","10","2","1") = "9"
    & skf18("6","4","5","7","10","3","1") = "9"
    & skf18("6","4","5","7","10","4","1") = "9"
    & skf18("6","4","5","7","10","5","1") = "9"
    & skf18("6","4","5","7","10","6","1") = "9"
    & skf18("6","4","5","7","10","7","1") = "9"
    & skf18("6","4","5","7","10","8","1") = "9"
    & skf18("6","4","5","7","10","9","1") = "9"
    & skf18("6","4","5","7","10","10","1") = "9"
    & skf18("6","4","5","8","1","1","1") = "7"
    & skf18("6","4","5","8","1","2","1") = "7"
    & skf18("6","4","5","8","1","3","1") = "7"
    & skf18("6","4","5","8","1","4","1") = "7"
    & skf18("6","4","5","8","1","5","1") = "7"
    & skf18("6","4","5","8","1","6","1") = "7"
    & skf18("6","4","5","8","1","7","1") = "7"
    & skf18("6","4","5","8","1","8","1") = "7"
    & skf18("6","4","5","8","1","9","1") = "8"
    & skf18("6","4","5","8","1","10","1") = "9"
    & skf18("6","4","5","8","2","1","1") = "7"
    & skf18("6","4","5","8","2","2","1") = "7"
    & skf18("6","4","5","8","2","3","1") = "7"
    & skf18("6","4","5","8","2","4","1") = "7"
    & skf18("6","4","5","8","2","5","1") = "7"
    & skf18("6","4","5","8","2","6","1") = "7"
    & skf18("6","4","5","8","2","7","1") = "7"
    & skf18("6","4","5","8","2","8","1") = "7"
    & skf18("6","4","5","8","2","9","1") = "8"
    & skf18("6","4","5","8","2","10","1") = "9"
    & skf18("6","4","5","8","3","1","1") = "7"
    & skf18("6","4","5","8","3","2","1") = "7"
    & skf18("6","4","5","8","3","3","1") = "7"
    & skf18("6","4","5","8","3","4","1") = "7"
    & skf18("6","4","5","8","3","5","1") = "7"
    & skf18("6","4","5","8","3","6","1") = "7"
    & skf18("6","4","5","8","3","7","1") = "7"
    & skf18("6","4","5","8","3","8","1") = "7"
    & skf18("6","4","5","8","3","9","1") = "8"
    & skf18("6","4","5","8","3","10","1") = "9"
    & skf18("6","4","5","8","4","1","1") = "7"
    & skf18("6","4","5","8","4","2","1") = "7"
    & skf18("6","4","5","8","4","3","1") = "7"
    & skf18("6","4","5","8","4","4","1") = "7"
    & skf18("6","4","5","8","4","5","1") = "7"
    & skf18("6","4","5","8","4","6","1") = "7"
    & skf18("6","4","5","8","4","7","1") = "7"
    & skf18("6","4","5","8","4","8","1") = "7"
    & skf18("6","4","5","8","4","9","1") = "8"
    & skf18("6","4","5","8","4","10","1") = "9"
    & skf18("6","4","5","8","5","1","1") = "7"
    & skf18("6","4","5","8","5","2","1") = "7"
    & skf18("6","4","5","8","5","3","1") = "7"
    & skf18("6","4","5","8","5","4","1") = "7"
    & skf18("6","4","5","8","5","5","1") = "7"
    & skf18("6","4","5","8","5","6","1") = "7"
    & skf18("6","4","5","8","5","7","1") = "7"
    & skf18("6","4","5","8","5","8","1") = "7"
    & skf18("6","4","5","8","5","9","1") = "8"
    & skf18("6","4","5","8","5","10","1") = "9"
    & skf18("6","4","5","8","6","1","1") = "7"
    & skf18("6","4","5","8","6","2","1") = "7"
    & skf18("6","4","5","8","6","3","1") = "7"
    & skf18("6","4","5","8","6","4","1") = "7"
    & skf18("6","4","5","8","6","5","1") = "7"
    & skf18("6","4","5","8","6","6","1") = "7"
    & skf18("6","4","5","8","6","7","1") = "7"
    & skf18("6","4","5","8","6","8","1") = "7"
    & skf18("6","4","5","8","6","9","1") = "8"
    & skf18("6","4","5","8","6","10","1") = "9"
    & skf18("6","4","5","8","7","1","1") = "7"
    & skf18("6","4","5","8","7","2","1") = "7"
    & skf18("6","4","5","8","7","3","1") = "7"
    & skf18("6","4","5","8","7","4","1") = "7"
    & skf18("6","4","5","8","7","5","1") = "7"
    & skf18("6","4","5","8","7","6","1") = "7"
    & skf18("6","4","5","8","7","7","1") = "7"
    & skf18("6","4","5","8","7","8","1") = "7"
    & skf18("6","4","5","8","7","9","1") = "8"
    & skf18("6","4","5","8","7","10","1") = "9"
    & skf18("6","4","5","8","8","1","1") = "7"
    & skf18("6","4","5","8","8","2","1") = "7"
    & skf18("6","4","5","8","8","3","1") = "7"
    & skf18("6","4","5","8","8","4","1") = "7"
    & skf18("6","4","5","8","8","5","1") = "7"
    & skf18("6","4","5","8","8","6","1") = "7"
    & skf18("6","4","5","8","8","7","1") = "7"
    & skf18("6","4","5","8","8","8","1") = "7"
    & skf18("6","4","5","8","8","9","1") = "8"
    & skf18("6","4","5","8","8","10","1") = "9"
    & skf18("6","4","5","8","9","1","1") = "8"
    & skf18("6","4","5","8","9","2","1") = "8"
    & skf18("6","4","5","8","9","3","1") = "8"
    & skf18("6","4","5","8","9","4","1") = "8"
    & skf18("6","4","5","8","9","5","1") = "8"
    & skf18("6","4","5","8","9","6","1") = "8"
    & skf18("6","4","5","8","9","7","1") = "8"
    & skf18("6","4","5","8","9","8","1") = "8"
    & skf18("6","4","5","8","9","9","1") = "8"
    & skf18("6","4","5","8","9","10","1") = "9"
    & skf18("6","4","5","8","10","1","1") = "9"
    & skf18("6","4","5","8","10","2","1") = "9"
    & skf18("6","4","5","8","10","3","1") = "9"
    & skf18("6","4","5","8","10","4","1") = "9"
    & skf18("6","4","5","8","10","5","1") = "9"
    & skf18("6","4","5","8","10","6","1") = "9"
    & skf18("6","4","5","8","10","7","1") = "9"
    & skf18("6","4","5","8","10","8","1") = "9"
    & skf18("6","4","5","8","10","9","1") = "9"
    & skf18("6","4","5","8","10","10","1") = "9"
    & skf18("6","4","5","9","1","1","1") = "8"
    & skf18("6","4","5","9","1","2","1") = "8"
    & skf18("6","4","5","9","1","3","1") = "8"
    & skf18("6","4","5","9","1","4","1") = "8"
    & skf18("6","4","5","9","1","5","1") = "8"
    & skf18("6","4","5","9","1","6","1") = "8"
    & skf18("6","4","5","9","1","7","1") = "8"
    & skf18("6","4","5","9","1","8","1") = "8"
    & skf18("6","4","5","9","1","9","1") = "8"
    & skf18("6","4","5","9","1","10","1") = "9"
    & skf18("6","4","5","9","2","1","1") = "8"
    & skf18("6","4","5","9","2","2","1") = "8"
    & skf18("6","4","5","9","2","3","1") = "8"
    & skf18("6","4","5","9","2","4","1") = "8"
    & skf18("6","4","5","9","2","5","1") = "8"
    & skf18("6","4","5","9","2","6","1") = "8"
    & skf18("6","4","5","9","2","7","1") = "8"
    & skf18("6","4","5","9","2","8","1") = "8"
    & skf18("6","4","5","9","2","9","1") = "8"
    & skf18("6","4","5","9","2","10","1") = "9"
    & skf18("6","4","5","9","3","1","1") = "8"
    & skf18("6","4","5","9","3","2","1") = "8"
    & skf18("6","4","5","9","3","3","1") = "8"
    & skf18("6","4","5","9","3","4","1") = "8"
    & skf18("6","4","5","9","3","5","1") = "8"
    & skf18("6","4","5","9","3","6","1") = "8"
    & skf18("6","4","5","9","3","7","1") = "8"
    & skf18("6","4","5","9","3","8","1") = "8"
    & skf18("6","4","5","9","3","9","1") = "8"
    & skf18("6","4","5","9","3","10","1") = "9"
    & skf18("6","4","5","9","4","1","1") = "8"
    & skf18("6","4","5","9","4","2","1") = "8"
    & skf18("6","4","5","9","4","3","1") = "8"
    & skf18("6","4","5","9","4","4","1") = "8"
    & skf18("6","4","5","9","4","5","1") = "8"
    & skf18("6","4","5","9","4","6","1") = "8"
    & skf18("6","4","5","9","4","7","1") = "8"
    & skf18("6","4","5","9","4","8","1") = "8"
    & skf18("6","4","5","9","4","9","1") = "8"
    & skf18("6","4","5","9","4","10","1") = "9"
    & skf18("6","4","5","9","5","1","1") = "8"
    & skf18("6","4","5","9","5","2","1") = "8"
    & skf18("6","4","5","9","5","3","1") = "8"
    & skf18("6","4","5","9","5","4","1") = "8"
    & skf18("6","4","5","9","5","5","1") = "8"
    & skf18("6","4","5","9","5","6","1") = "8"
    & skf18("6","4","5","9","5","7","1") = "8"
    & skf18("6","4","5","9","5","8","1") = "8"
    & skf18("6","4","5","9","5","9","1") = "8"
    & skf18("6","4","5","9","5","10","1") = "9"
    & skf18("6","4","5","9","6","1","1") = "8"
    & skf18("6","4","5","9","6","2","1") = "8"
    & skf18("6","4","5","9","6","3","1") = "8"
    & skf18("6","4","5","9","6","4","1") = "8"
    & skf18("6","4","5","9","6","5","1") = "8"
    & skf18("6","4","5","9","6","6","1") = "8"
    & skf18("6","4","5","9","6","7","1") = "8"
    & skf18("6","4","5","9","6","8","1") = "8"
    & skf18("6","4","5","9","6","9","1") = "8"
    & skf18("6","4","5","9","6","10","1") = "9"
    & skf18("6","4","5","9","7","1","1") = "8"
    & skf18("6","4","5","9","7","2","1") = "8"
    & skf18("6","4","5","9","7","3","1") = "8"
    & skf18("6","4","5","9","7","4","1") = "8"
    & skf18("6","4","5","9","7","5","1") = "8"
    & skf18("6","4","5","9","7","6","1") = "8"
    & skf18("6","4","5","9","7","7","1") = "8"
    & skf18("6","4","5","9","7","8","1") = "8"
    & skf18("6","4","5","9","7","9","1") = "8"
    & skf18("6","4","5","9","7","10","1") = "9"
    & skf18("6","4","5","9","8","1","1") = "8"
    & skf18("6","4","5","9","8","2","1") = "8"
    & skf18("6","4","5","9","8","3","1") = "8"
    & skf18("6","4","5","9","8","4","1") = "8"
    & skf18("6","4","5","9","8","5","1") = "8"
    & skf18("6","4","5","9","8","6","1") = "8"
    & skf18("6","4","5","9","8","7","1") = "8"
    & skf18("6","4","5","9","8","8","1") = "8"
    & skf18("6","4","5","9","8","9","1") = "8"
    & skf18("6","4","5","9","8","10","1") = "9"
    & skf18("6","4","5","9","9","1","1") = "8"
    & skf18("6","4","5","9","9","2","1") = "8"
    & skf18("6","4","5","9","9","3","1") = "8"
    & skf18("6","4","5","9","9","4","1") = "8"
    & skf18("6","4","5","9","9","5","1") = "8"
    & skf18("6","4","5","9","9","6","1") = "8"
    & skf18("6","4","5","9","9","7","1") = "8"
    & skf18("6","4","5","9","9","8","1") = "8"
    & skf18("6","4","5","9","9","9","1") = "8"
    & skf18("6","4","5","9","9","10","1") = "9"
    & skf18("6","4","5","9","10","1","1") = "9"
    & skf18("6","4","5","9","10","2","1") = "9"
    & skf18("6","4","5","9","10","3","1") = "9"
    & skf18("6","4","5","9","10","4","1") = "9"
    & skf18("6","4","5","9","10","5","1") = "9"
    & skf18("6","4","5","9","10","6","1") = "9"
    & skf18("6","4","5","9","10","7","1") = "9"
    & skf18("6","4","5","9","10","8","1") = "9"
    & skf18("6","4","5","9","10","9","1") = "9"
    & skf18("6","4","5","9","10","10","1") = "9"
    & skf18("6","4","5","10","1","1","1") = "9"
    & skf18("6","4","5","10","1","2","1") = "9"
    & skf18("6","4","5","10","1","3","1") = "9"
    & skf18("6","4","5","10","1","4","1") = "9"
    & skf18("6","4","5","10","1","5","1") = "9"
    & skf18("6","4","5","10","1","6","1") = "9"
    & skf18("6","4","5","10","1","7","1") = "9"
    & skf18("6","4","5","10","1","8","1") = "9"
    & skf18("6","4","5","10","1","9","1") = "9"
    & skf18("6","4","5","10","1","10","1") = "9"
    & skf18("6","4","5","10","2","1","1") = "9"
    & skf18("6","4","5","10","2","2","1") = "9"
    & skf18("6","4","5","10","2","3","1") = "9"
    & skf18("6","4","5","10","2","4","1") = "9"
    & skf18("6","4","5","10","2","5","1") = "9"
    & skf18("6","4","5","10","2","6","1") = "9"
    & skf18("6","4","5","10","2","7","1") = "9"
    & skf18("6","4","5","10","2","8","1") = "9"
    & skf18("6","4","5","10","2","9","1") = "9"
    & skf18("6","4","5","10","2","10","1") = "9"
    & skf18("6","4","5","10","3","1","1") = "9"
    & skf18("6","4","5","10","3","2","1") = "9"
    & skf18("6","4","5","10","3","3","1") = "9"
    & skf18("6","4","5","10","3","4","1") = "9"
    & skf18("6","4","5","10","3","5","1") = "9"
    & skf18("6","4","5","10","3","6","1") = "9"
    & skf18("6","4","5","10","3","7","1") = "9"
    & skf18("6","4","5","10","3","8","1") = "9"
    & skf18("6","4","5","10","3","9","1") = "9"
    & skf18("6","4","5","10","3","10","1") = "9"
    & skf18("6","4","5","10","4","1","1") = "9"
    & skf18("6","4","5","10","4","2","1") = "9"
    & skf18("6","4","5","10","4","3","1") = "9"
    & skf18("6","4","5","10","4","4","1") = "9"
    & skf18("6","4","5","10","4","5","1") = "9"
    & skf18("6","4","5","10","4","6","1") = "9"
    & skf18("6","4","5","10","4","7","1") = "9"
    & skf18("6","4","5","10","4","8","1") = "9"
    & skf18("6","4","5","10","4","9","1") = "9"
    & skf18("6","4","5","10","4","10","1") = "9"
    & skf18("6","4","5","10","5","1","1") = "9"
    & skf18("6","4","5","10","5","2","1") = "9"
    & skf18("6","4","5","10","5","3","1") = "9"
    & skf18("6","4","5","10","5","4","1") = "9"
    & skf18("6","4","5","10","5","5","1") = "9"
    & skf18("6","4","5","10","5","6","1") = "9"
    & skf18("6","4","5","10","5","7","1") = "9"
    & skf18("6","4","5","10","5","8","1") = "9"
    & skf18("6","4","5","10","5","9","1") = "9"
    & skf18("6","4","5","10","5","10","1") = "9"
    & skf18("6","4","5","10","6","1","1") = "9"
    & skf18("6","4","5","10","6","2","1") = "9"
    & skf18("6","4","5","10","6","3","1") = "9"
    & skf18("6","4","5","10","6","4","1") = "9"
    & skf18("6","4","5","10","6","5","1") = "9"
    & skf18("6","4","5","10","6","6","1") = "9"
    & skf18("6","4","5","10","6","7","1") = "9"
    & skf18("6","4","5","10","6","8","1") = "9"
    & skf18("6","4","5","10","6","9","1") = "9"
    & skf18("6","4","5","10","6","10","1") = "9"
    & skf18("6","4","5","10","7","1","1") = "9"
    & skf18("6","4","5","10","7","2","1") = "9"
    & skf18("6","4","5","10","7","3","1") = "9"
    & skf18("6","4","5","10","7","4","1") = "9"
    & skf18("6","4","5","10","7","5","1") = "9"
    & skf18("6","4","5","10","7","6","1") = "9"
    & skf18("6","4","5","10","7","7","1") = "9"
    & skf18("6","4","5","10","7","8","1") = "9"
    & skf18("6","4","5","10","7","9","1") = "9"
    & skf18("6","4","5","10","7","10","1") = "9"
    & skf18("6","4","5","10","8","1","1") = "9"
    & skf18("6","4","5","10","8","2","1") = "9"
    & skf18("6","4","5","10","8","3","1") = "9"
    & skf18("6","4","5","10","8","4","1") = "9"
    & skf18("6","4","5","10","8","5","1") = "9"
    & skf18("6","4","5","10","8","6","1") = "9"
    & skf18("6","4","5","10","8","7","1") = "9"
    & skf18("6","4","5","10","8","8","1") = "9"
    & skf18("6","4","5","10","8","9","1") = "9"
    & skf18("6","4","5","10","8","10","1") = "9"
    & skf18("6","4","5","10","9","1","1") = "9"
    & skf18("6","4","5","10","9","2","1") = "9"
    & skf18("6","4","5","10","9","3","1") = "9"
    & skf18("6","4","5","10","9","4","1") = "9"
    & skf18("6","4","5","10","9","5","1") = "9"
    & skf18("6","4","5","10","9","6","1") = "9"
    & skf18("6","4","5","10","9","7","1") = "9"
    & skf18("6","4","5","10","9","8","1") = "9"
    & skf18("6","4","5","10","9","9","1") = "9"
    & skf18("6","4","5","10","9","10","1") = "9"
    & skf18("6","4","5","10","10","1","1") = "9"
    & skf18("6","4","5","10","10","2","1") = "9"
    & skf18("6","4","5","10","10","3","1") = "9"
    & skf18("6","4","5","10","10","4","1") = "9"
    & skf18("6","4","5","10","10","5","1") = "9"
    & skf18("6","4","5","10","10","6","1") = "9"
    & skf18("6","4","5","10","10","7","1") = "9"
    & skf18("6","4","5","10","10","8","1") = "9"
    & skf18("6","4","5","10","10","9","1") = "9"
    & skf18("6","4","5","10","10","10","1") = "9"
    & skf18("6","4","6","1","1","1","1") = "5"
    & skf18("6","4","6","1","1","2","1") = "5"
    & skf18("6","4","6","1","1","3","1") = "5"
    & skf18("6","4","6","1","1","4","1") = "5"
    & skf18("6","4","6","1","1","5","1") = "5"
    & skf18("6","4","6","1","1","6","1") = "5"
    & skf18("6","4","6","1","1","7","1") = "6"
    & skf18("6","4","6","1","1","8","1") = "7"
    & skf18("6","4","6","1","1","9","1") = "8"
    & skf18("6","4","6","1","1","10","1") = "9"
    & skf18("6","4","6","1","2","1","1") = "5"
    & skf18("6","4","6","1","2","2","1") = "5"
    & skf18("6","4","6","1","2","3","1") = "5"
    & skf18("6","4","6","1","2","4","1") = "5"
    & skf18("6","4","6","1","2","5","1") = "5"
    & skf18("6","4","6","1","2","6","1") = "5"
    & skf18("6","4","6","1","2","7","1") = "6"
    & skf18("6","4","6","1","2","8","1") = "7"
    & skf18("6","4","6","1","2","9","1") = "8"
    & skf18("6","4","6","1","2","10","1") = "9"
    & skf18("6","4","6","1","3","1","1") = "5"
    & skf18("6","4","6","1","3","2","1") = "5"
    & skf18("6","4","6","1","3","3","1") = "5"
    & skf18("6","4","6","1","3","4","1") = "5"
    & skf18("6","4","6","1","3","5","1") = "5"
    & skf18("6","4","6","1","3","6","1") = "5"
    & skf18("6","4","6","1","3","7","1") = "6"
    & skf18("6","4","6","1","3","8","1") = "7"
    & skf18("6","4","6","1","3","9","1") = "8"
    & skf18("6","4","6","1","3","10","1") = "9"
    & skf18("6","4","6","1","4","1","1") = "5"
    & skf18("6","4","6","1","4","2","1") = "5"
    & skf18("6","4","6","1","4","3","1") = "5"
    & skf18("6","4","6","1","4","4","1") = "5"
    & skf18("6","4","6","1","4","5","1") = "5"
    & skf18("6","4","6","1","4","6","1") = "5"
    & skf18("6","4","6","1","4","7","1") = "6"
    & skf18("6","4","6","1","4","8","1") = "7"
    & skf18("6","4","6","1","4","9","1") = "8"
    & skf18("6","4","6","1","4","10","1") = "9"
    & skf18("6","4","6","1","5","1","1") = "5"
    & skf18("6","4","6","1","5","2","1") = "5"
    & skf18("6","4","6","1","5","3","1") = "5"
    & skf18("6","4","6","1","5","4","1") = "5"
    & skf18("6","4","6","1","5","5","1") = "5"
    & skf18("6","4","6","1","5","6","1") = "5"
    & skf18("6","4","6","1","5","7","1") = "6"
    & skf18("6","4","6","1","5","8","1") = "7"
    & skf18("6","4","6","1","5","9","1") = "8"
    & skf18("6","4","6","1","5","10","1") = "9"
    & skf18("6","4","6","1","6","1","1") = "5"
    & skf18("6","4","6","1","6","2","1") = "5"
    & skf18("6","4","6","1","6","3","1") = "5"
    & skf18("6","4","6","1","6","4","1") = "5"
    & skf18("6","4","6","1","6","5","1") = "5"
    & skf18("6","4","6","1","6","6","1") = "5"
    & skf18("6","4","6","1","6","7","1") = "6"
    & skf18("6","4","6","1","6","8","1") = "7"
    & skf18("6","4","6","1","6","9","1") = "8"
    & skf18("6","4","6","1","6","10","1") = "9"
    & skf18("6","4","6","1","7","1","1") = "6"
    & skf18("6","4","6","1","7","2","1") = "6"
    & skf18("6","4","6","1","7","3","1") = "6"
    & skf18("6","4","6","1","7","4","1") = "6"
    & skf18("6","4","6","1","7","5","1") = "6"
    & skf18("6","4","6","1","7","6","1") = "6"
    & skf18("6","4","6","1","7","7","1") = "6"
    & skf18("6","4","6","1","7","8","1") = "7"
    & skf18("6","4","6","1","7","9","1") = "8"
    & skf18("6","4","6","1","7","10","1") = "9"
    & skf18("6","4","6","1","8","1","1") = "7"
    & skf18("6","4","6","1","8","2","1") = "7"
    & skf18("6","4","6","1","8","3","1") = "7"
    & skf18("6","4","6","1","8","4","1") = "7"
    & skf18("6","4","6","1","8","5","1") = "7"
    & skf18("6","4","6","1","8","6","1") = "7"
    & skf18("6","4","6","1","8","7","1") = "7"
    & skf18("6","4","6","1","8","8","1") = "7"
    & skf18("6","4","6","1","8","9","1") = "8"
    & skf18("6","4","6","1","8","10","1") = "9"
    & skf18("6","4","6","1","9","1","1") = "8"
    & skf18("6","4","6","1","9","2","1") = "8"
    & skf18("6","4","6","1","9","3","1") = "8"
    & skf18("6","4","6","1","9","4","1") = "8"
    & skf18("6","4","6","1","9","5","1") = "8"
    & skf18("6","4","6","1","9","6","1") = "8"
    & skf18("6","4","6","1","9","7","1") = "8"
    & skf18("6","4","6","1","9","8","1") = "8"
    & skf18("6","4","6","1","9","9","1") = "8"
    & skf18("6","4","6","1","9","10","1") = "9"
    & skf18("6","4","6","1","10","1","1") = "9"
    & skf18("6","4","6","1","10","2","1") = "9"
    & skf18("6","4","6","1","10","3","1") = "9"
    & skf18("6","4","6","1","10","4","1") = "9"
    & skf18("6","4","6","1","10","5","1") = "9"
    & skf18("6","4","6","1","10","6","1") = "9"
    & skf18("6","4","6","1","10","7","1") = "9"
    & skf18("6","4","6","1","10","8","1") = "9"
    & skf18("6","4","6","1","10","9","1") = "9"
    & skf18("6","4","6","1","10","10","1") = "9"
    & skf18("6","4","6","2","1","1","1") = "5"
    & skf18("6","4","6","2","1","2","1") = "5"
    & skf18("6","4","6","2","1","3","1") = "5"
    & skf18("6","4","6","2","1","4","1") = "5"
    & skf18("6","4","6","2","1","5","1") = "5"
    & skf18("6","4","6","2","1","6","1") = "5"
    & skf18("6","4","6","2","1","7","1") = "6"
    & skf18("6","4","6","2","1","8","1") = "7"
    & skf18("6","4","6","2","1","9","1") = "8"
    & skf18("6","4","6","2","1","10","1") = "9"
    & skf18("6","4","6","2","2","1","1") = "5"
    & skf18("6","4","6","2","2","2","1") = "5"
    & skf18("6","4","6","2","2","3","1") = "5"
    & skf18("6","4","6","2","2","4","1") = "5"
    & skf18("6","4","6","2","2","5","1") = "5"
    & skf18("6","4","6","2","2","6","1") = "5"
    & skf18("6","4","6","2","2","7","1") = "6"
    & skf18("6","4","6","2","2","8","1") = "7"
    & skf18("6","4","6","2","2","9","1") = "8"
    & skf18("6","4","6","2","2","10","1") = "9"
    & skf18("6","4","6","2","3","1","1") = "5"
    & skf18("6","4","6","2","3","2","1") = "5"
    & skf18("6","4","6","2","3","3","1") = "5"
    & skf18("6","4","6","2","3","4","1") = "5"
    & skf18("6","4","6","2","3","5","1") = "5"
    & skf18("6","4","6","2","3","6","1") = "5"
    & skf18("6","4","6","2","3","7","1") = "6"
    & skf18("6","4","6","2","3","8","1") = "7"
    & skf18("6","4","6","2","3","9","1") = "8"
    & skf18("6","4","6","2","3","10","1") = "9"
    & skf18("6","4","6","2","4","1","1") = "5"
    & skf18("6","4","6","2","4","2","1") = "5"
    & skf18("6","4","6","2","4","3","1") = "5"
    & skf18("6","4","6","2","4","4","1") = "5"
    & skf18("6","4","6","2","4","5","1") = "5"
    & skf18("6","4","6","2","4","6","1") = "5"
    & skf18("6","4","6","2","4","7","1") = "6"
    & skf18("6","4","6","2","4","8","1") = "7"
    & skf18("6","4","6","2","4","9","1") = "8"
    & skf18("6","4","6","2","4","10","1") = "9"
    & skf18("6","4","6","2","5","1","1") = "5"
    & skf18("6","4","6","2","5","2","1") = "5"
    & skf18("6","4","6","2","5","3","1") = "5"
    & skf18("6","4","6","2","5","4","1") = "5"
    & skf18("6","4","6","2","5","5","1") = "5"
    & skf18("6","4","6","2","5","6","1") = "5"
    & skf18("6","4","6","2","5","7","1") = "6"
    & skf18("6","4","6","2","5","8","1") = "7"
    & skf18("6","4","6","2","5","9","1") = "8"
    & skf18("6","4","6","2","5","10","1") = "9"
    & skf18("6","4","6","2","6","1","1") = "5"
    & skf18("6","4","6","2","6","2","1") = "5"
    & skf18("6","4","6","2","6","3","1") = "5"
    & skf18("6","4","6","2","6","4","1") = "5"
    & skf18("6","4","6","2","6","5","1") = "5"
    & skf18("6","4","6","2","6","6","1") = "5"
    & skf18("6","4","6","2","6","7","1") = "6"
    & skf18("6","4","6","2","6","8","1") = "7"
    & skf18("6","4","6","2","6","9","1") = "8"
    & skf18("6","4","6","2","6","10","1") = "9"
    & skf18("6","4","6","2","7","1","1") = "6"
    & skf18("6","4","6","2","7","2","1") = "6"
    & skf18("6","4","6","2","7","3","1") = "6"
    & skf18("6","4","6","2","7","4","1") = "6"
    & skf18("6","4","6","2","7","5","1") = "6"
    & skf18("6","4","6","2","7","6","1") = "6"
    & skf18("6","4","6","2","7","7","1") = "6"
    & skf18("6","4","6","2","7","8","1") = "7"
    & skf18("6","4","6","2","7","9","1") = "8"
    & skf18("6","4","6","2","7","10","1") = "9"
    & skf18("6","4","6","2","8","1","1") = "7"
    & skf18("6","4","6","2","8","2","1") = "7"
    & skf18("6","4","6","2","8","3","1") = "7"
    & skf18("6","4","6","2","8","4","1") = "7"
    & skf18("6","4","6","2","8","5","1") = "7"
    & skf18("6","4","6","2","8","6","1") = "7"
    & skf18("6","4","6","2","8","7","1") = "7"
    & skf18("6","4","6","2","8","8","1") = "7"
    & skf18("6","4","6","2","8","9","1") = "8"
    & skf18("6","4","6","2","8","10","1") = "9"
    & skf18("6","4","6","2","9","1","1") = "8"
    & skf18("6","4","6","2","9","2","1") = "8"
    & skf18("6","4","6","2","9","3","1") = "8"
    & skf18("6","4","6","2","9","4","1") = "8"
    & skf18("6","4","6","2","9","5","1") = "8"
    & skf18("6","4","6","2","9","6","1") = "8"
    & skf18("6","4","6","2","9","7","1") = "8"
    & skf18("6","4","6","2","9","8","1") = "8"
    & skf18("6","4","6","2","9","9","1") = "8"
    & skf18("6","4","6","2","9","10","1") = "9"
    & skf18("6","4","6","2","10","1","1") = "9"
    & skf18("6","4","6","2","10","2","1") = "9"
    & skf18("6","4","6","2","10","3","1") = "9"
    & skf18("6","4","6","2","10","4","1") = "9"
    & skf18("6","4","6","2","10","5","1") = "9"
    & skf18("6","4","6","2","10","6","1") = "9"
    & skf18("6","4","6","2","10","7","1") = "9"
    & skf18("6","4","6","2","10","8","1") = "9"
    & skf18("6","4","6","2","10","9","1") = "9"
    & skf18("6","4","6","2","10","10","1") = "9"
    & skf18("6","4","6","3","1","1","1") = "5"
    & skf18("6","4","6","3","1","2","1") = "5"
    & skf18("6","4","6","3","1","3","1") = "5"
    & skf18("6","4","6","3","1","4","1") = "5"
    & skf18("6","4","6","3","1","5","1") = "5"
    & skf18("6","4","6","3","1","6","1") = "5"
    & skf18("6","4","6","3","1","7","1") = "6"
    & skf18("6","4","6","3","1","8","1") = "7"
    & skf18("6","4","6","3","1","9","1") = "8"
    & skf18("6","4","6","3","1","10","1") = "9"
    & skf18("6","4","6","3","2","1","1") = "5"
    & skf18("6","4","6","3","2","2","1") = "5"
    & skf18("6","4","6","3","2","3","1") = "5"
    & skf18("6","4","6","3","2","4","1") = "5"
    & skf18("6","4","6","3","2","5","1") = "5"
    & skf18("6","4","6","3","2","6","1") = "5"
    & skf18("6","4","6","3","2","7","1") = "6"
    & skf18("6","4","6","3","2","8","1") = "7"
    & skf18("6","4","6","3","2","9","1") = "8"
    & skf18("6","4","6","3","2","10","1") = "9"
    & skf18("6","4","6","3","3","1","1") = "5"
    & skf18("6","4","6","3","3","2","1") = "5"
    & skf18("6","4","6","3","3","3","1") = "5"
    & skf18("6","4","6","3","3","4","1") = "5"
    & skf18("6","4","6","3","3","5","1") = "5"
    & skf18("6","4","6","3","3","6","1") = "5"
    & skf18("6","4","6","3","3","7","1") = "6"
    & skf18("6","4","6","3","3","8","1") = "7"
    & skf18("6","4","6","3","3","9","1") = "8"
    & skf18("6","4","6","3","3","10","1") = "9"
    & skf18("6","4","6","3","4","1","1") = "5"
    & skf18("6","4","6","3","4","2","1") = "5"
    & skf18("6","4","6","3","4","3","1") = "5"
    & skf18("6","4","6","3","4","4","1") = "5"
    & skf18("6","4","6","3","4","5","1") = "5"
    & skf18("6","4","6","3","4","6","1") = "5"
    & skf18("6","4","6","3","4","7","1") = "6"
    & skf18("6","4","6","3","4","8","1") = "7"
    & skf18("6","4","6","3","4","9","1") = "8"
    & skf18("6","4","6","3","4","10","1") = "9"
    & skf18("6","4","6","3","5","1","1") = "5"
    & skf18("6","4","6","3","5","2","1") = "5"
    & skf18("6","4","6","3","5","3","1") = "5"
    & skf18("6","4","6","3","5","4","1") = "5"
    & skf18("6","4","6","3","5","5","1") = "5"
    & skf18("6","4","6","3","5","6","1") = "5"
    & skf18("6","4","6","3","5","7","1") = "6"
    & skf18("6","4","6","3","5","8","1") = "7"
    & skf18("6","4","6","3","5","9","1") = "8"
    & skf18("6","4","6","3","5","10","1") = "9"
    & skf18("6","4","6","3","6","1","1") = "5"
    & skf18("6","4","6","3","6","2","1") = "5"
    & skf18("6","4","6","3","6","3","1") = "5"
    & skf18("6","4","6","3","6","4","1") = "5"
    & skf18("6","4","6","3","6","5","1") = "5"
    & skf18("6","4","6","3","6","6","1") = "5"
    & skf18("6","4","6","3","6","7","1") = "6"
    & skf18("6","4","6","3","6","8","1") = "7"
    & skf18("6","4","6","3","6","9","1") = "8"
    & skf18("6","4","6","3","6","10","1") = "9"
    & skf18("6","4","6","3","7","1","1") = "6"
    & skf18("6","4","6","3","7","2","1") = "6"
    & skf18("6","4","6","3","7","3","1") = "6"
    & skf18("6","4","6","3","7","4","1") = "6"
    & skf18("6","4","6","3","7","5","1") = "6"
    & skf18("6","4","6","3","7","6","1") = "6"
    & skf18("6","4","6","3","7","7","1") = "6"
    & skf18("6","4","6","3","7","8","1") = "7"
    & skf18("6","4","6","3","7","9","1") = "8"
    & skf18("6","4","6","3","7","10","1") = "9"
    & skf18("6","4","6","3","8","1","1") = "7"
    & skf18("6","4","6","3","8","2","1") = "7"
    & skf18("6","4","6","3","8","3","1") = "7"
    & skf18("6","4","6","3","8","4","1") = "7"
    & skf18("6","4","6","3","8","5","1") = "7"
    & skf18("6","4","6","3","8","6","1") = "7"
    & skf18("6","4","6","3","8","7","1") = "7"
    & skf18("6","4","6","3","8","8","1") = "7"
    & skf18("6","4","6","3","8","9","1") = "8"
    & skf18("6","4","6","3","8","10","1") = "9"
    & skf18("6","4","6","3","9","1","1") = "8"
    & skf18("6","4","6","3","9","2","1") = "8"
    & skf18("6","4","6","3","9","3","1") = "8"
    & skf18("6","4","6","3","9","4","1") = "8"
    & skf18("6","4","6","3","9","5","1") = "8"
    & skf18("6","4","6","3","9","6","1") = "8"
    & skf18("6","4","6","3","9","7","1") = "8"
    & skf18("6","4","6","3","9","8","1") = "8"
    & skf18("6","4","6","3","9","9","1") = "8"
    & skf18("6","4","6","3","9","10","1") = "9"
    & skf18("6","4","6","3","10","1","1") = "9"
    & skf18("6","4","6","3","10","2","1") = "9"
    & skf18("6","4","6","3","10","3","1") = "9"
    & skf18("6","4","6","3","10","4","1") = "9"
    & skf18("6","4","6","3","10","5","1") = "9"
    & skf18("6","4","6","3","10","6","1") = "9"
    & skf18("6","4","6","3","10","7","1") = "9"
    & skf18("6","4","6","3","10","8","1") = "9"
    & skf18("6","4","6","3","10","9","1") = "9"
    & skf18("6","4","6","3","10","10","1") = "9"
    & skf18("6","4","6","4","1","1","1") = "5"
    & skf18("6","4","6","4","1","2","1") = "5"
    & skf18("6","4","6","4","1","3","1") = "5"
    & skf18("6","4","6","4","1","4","1") = "5"
    & skf18("6","4","6","4","1","5","1") = "5"
    & skf18("6","4","6","4","1","6","1") = "5"
    & skf18("6","4","6","4","1","7","1") = "6"
    & skf18("6","4","6","4","1","8","1") = "7"
    & skf18("6","4","6","4","1","9","1") = "8"
    & skf18("6","4","6","4","1","10","1") = "9"
    & skf18("6","4","6","4","2","1","1") = "5"
    & skf18("6","4","6","4","2","2","1") = "5"
    & skf18("6","4","6","4","2","3","1") = "5"
    & skf18("6","4","6","4","2","4","1") = "5"
    & skf18("6","4","6","4","2","5","1") = "5"
    & skf18("6","4","6","4","2","6","1") = "5"
    & skf18("6","4","6","4","2","7","1") = "6"
    & skf18("6","4","6","4","2","8","1") = "7"
    & skf18("6","4","6","4","2","9","1") = "8"
    & skf18("6","4","6","4","2","10","1") = "9"
    & skf18("6","4","6","4","3","1","1") = "5"
    & skf18("6","4","6","4","3","2","1") = "5"
    & skf18("6","4","6","4","3","3","1") = "5"
    & skf18("6","4","6","4","3","4","1") = "5"
    & skf18("6","4","6","4","3","5","1") = "5"
    & skf18("6","4","6","4","3","6","1") = "5"
    & skf18("6","4","6","4","3","7","1") = "6"
    & skf18("6","4","6","4","3","8","1") = "7"
    & skf18("6","4","6","4","3","9","1") = "8"
    & skf18("6","4","6","4","3","10","1") = "9"
    & skf18("6","4","6","4","4","1","1") = "5"
    & skf18("6","4","6","4","4","2","1") = "5"
    & skf18("6","4","6","4","4","3","1") = "5"
    & skf18("6","4","6","4","4","4","1") = "5"
    & skf18("6","4","6","4","4","5","1") = "5"
    & skf18("6","4","6","4","4","6","1") = "5"
    & skf18("6","4","6","4","4","7","1") = "6"
    & skf18("6","4","6","4","4","8","1") = "7"
    & skf18("6","4","6","4","4","9","1") = "8"
    & skf18("6","4","6","4","4","10","1") = "9"
    & skf18("6","4","6","4","5","1","1") = "5"
    & skf18("6","4","6","4","5","2","1") = "5"
    & skf18("6","4","6","4","5","3","1") = "5"
    & skf18("6","4","6","4","5","4","1") = "5"
    & skf18("6","4","6","4","5","5","1") = "5"
    & skf18("6","4","6","4","5","6","1") = "5"
    & skf18("6","4","6","4","5","7","1") = "6"
    & skf18("6","4","6","4","5","8","1") = "7"
    & skf18("6","4","6","4","5","9","1") = "8"
    & skf18("6","4","6","4","5","10","1") = "9"
    & skf18("6","4","6","4","6","1","1") = "5"
    & skf18("6","4","6","4","6","2","1") = "5"
    & skf18("6","4","6","4","6","3","1") = "5"
    & skf18("6","4","6","4","6","4","1") = "5"
    & skf18("6","4","6","4","6","5","1") = "5"
    & skf18("6","4","6","4","6","6","1") = "5"
    & skf18("6","4","6","4","6","7","1") = "6"
    & skf18("6","4","6","4","6","8","1") = "7"
    & skf18("6","4","6","4","6","9","1") = "8"
    & skf18("6","4","6","4","6","10","1") = "9"
    & skf18("6","4","6","4","7","1","1") = "6"
    & skf18("6","4","6","4","7","2","1") = "6"
    & skf18("6","4","6","4","7","3","1") = "6"
    & skf18("6","4","6","4","7","4","1") = "6"
    & skf18("6","4","6","4","7","5","1") = "6"
    & skf18("6","4","6","4","7","6","1") = "6"
    & skf18("6","4","6","4","7","7","1") = "6"
    & skf18("6","4","6","4","7","8","1") = "7"
    & skf18("6","4","6","4","7","9","1") = "8"
    & skf18("6","4","6","4","7","10","1") = "9"
    & skf18("6","4","6","4","8","1","1") = "7"
    & skf18("6","4","6","4","8","2","1") = "7"
    & skf18("6","4","6","4","8","3","1") = "7"
    & skf18("6","4","6","4","8","4","1") = "7"
    & skf18("6","4","6","4","8","5","1") = "7"
    & skf18("6","4","6","4","8","6","1") = "7"
    & skf18("6","4","6","4","8","7","1") = "7"
    & skf18("6","4","6","4","8","8","1") = "7"
    & skf18("6","4","6","4","8","9","1") = "8"
    & skf18("6","4","6","4","8","10","1") = "9"
    & skf18("6","4","6","4","9","1","1") = "8"
    & skf18("6","4","6","4","9","2","1") = "8"
    & skf18("6","4","6","4","9","3","1") = "8"
    & skf18("6","4","6","4","9","4","1") = "8"
    & skf18("6","4","6","4","9","5","1") = "8"
    & skf18("6","4","6","4","9","6","1") = "8"
    & skf18("6","4","6","4","9","7","1") = "8"
    & skf18("6","4","6","4","9","8","1") = "8"
    & skf18("6","4","6","4","9","9","1") = "8"
    & skf18("6","4","6","4","9","10","1") = "9"
    & skf18("6","4","6","4","10","1","1") = "9"
    & skf18("6","4","6","4","10","2","1") = "9"
    & skf18("6","4","6","4","10","3","1") = "9"
    & skf18("6","4","6","4","10","4","1") = "9"
    & skf18("6","4","6","4","10","5","1") = "9"
    & skf18("6","4","6","4","10","6","1") = "9"
    & skf18("6","4","6","4","10","7","1") = "9"
    & skf18("6","4","6","4","10","8","1") = "9"
    & skf18("6","4","6","4","10","9","1") = "9"
    & skf18("6","4","6","4","10","10","1") = "9"
    & skf18("6","4","6","5","1","1","1") = "5"
    & skf18("6","4","6","5","1","2","1") = "5"
    & skf18("6","4","6","5","1","3","1") = "5"
    & skf18("6","4","6","5","1","4","1") = "5"
    & skf18("6","4","6","5","1","5","1") = "5"
    & skf18("6","4","6","5","1","6","1") = "5"
    & skf18("6","4","6","5","1","7","1") = "6"
    & skf18("6","4","6","5","1","8","1") = "7"
    & skf18("6","4","6","5","1","9","1") = "8"
    & skf18("6","4","6","5","1","10","1") = "9"
    & skf18("6","4","6","5","2","1","1") = "5"
    & skf18("6","4","6","5","2","2","1") = "5"
    & skf18("6","4","6","5","2","3","1") = "5"
    & skf18("6","4","6","5","2","4","1") = "5"
    & skf18("6","4","6","5","2","5","1") = "5"
    & skf18("6","4","6","5","2","6","1") = "5"
    & skf18("6","4","6","5","2","7","1") = "6"
    & skf18("6","4","6","5","2","8","1") = "7"
    & skf18("6","4","6","5","2","9","1") = "8"
    & skf18("6","4","6","5","2","10","1") = "9"
    & skf18("6","4","6","5","3","1","1") = "5"
    & skf18("6","4","6","5","3","2","1") = "5"
    & skf18("6","4","6","5","3","3","1") = "5"
    & skf18("6","4","6","5","3","4","1") = "5"
    & skf18("6","4","6","5","3","5","1") = "5"
    & skf18("6","4","6","5","3","6","1") = "5"
    & skf18("6","4","6","5","3","7","1") = "6"
    & skf18("6","4","6","5","3","8","1") = "7"
    & skf18("6","4","6","5","3","9","1") = "8"
    & skf18("6","4","6","5","3","10","1") = "9"
    & skf18("6","4","6","5","4","1","1") = "5"
    & skf18("6","4","6","5","4","2","1") = "5"
    & skf18("6","4","6","5","4","3","1") = "5"
    & skf18("6","4","6","5","4","4","1") = "5"
    & skf18("6","4","6","5","4","5","1") = "5"
    & skf18("6","4","6","5","4","6","1") = "5"
    & skf18("6","4","6","5","4","7","1") = "6"
    & skf18("6","4","6","5","4","8","1") = "7"
    & skf18("6","4","6","5","4","9","1") = "8"
    & skf18("6","4","6","5","4","10","1") = "9"
    & skf18("6","4","6","5","5","1","1") = "5"
    & skf18("6","4","6","5","5","2","1") = "5"
    & skf18("6","4","6","5","5","3","1") = "5"
    & skf18("6","4","6","5","5","4","1") = "5"
    & skf18("6","4","6","5","5","5","1") = "5"
    & skf18("6","4","6","5","5","6","1") = "5"
    & skf18("6","4","6","5","5","7","1") = "6"
    & skf18("6","4","6","5","5","8","1") = "7"
    & skf18("6","4","6","5","5","9","1") = "8"
    & skf18("6","4","6","5","5","10","1") = "9"
    & skf18("6","4","6","5","6","1","1") = "5"
    & skf18("6","4","6","5","6","2","1") = "5"
    & skf18("6","4","6","5","6","3","1") = "5"
    & skf18("6","4","6","5","6","4","1") = "5"
    & skf18("6","4","6","5","6","5","1") = "5"
    & skf18("6","4","6","5","6","6","1") = "5"
    & skf18("6","4","6","5","6","7","1") = "6"
    & skf18("6","4","6","5","6","8","1") = "7"
    & skf18("6","4","6","5","6","9","1") = "8"
    & skf18("6","4","6","5","6","10","1") = "9"
    & skf18("6","4","6","5","7","1","1") = "6"
    & skf18("6","4","6","5","7","2","1") = "6"
    & skf18("6","4","6","5","7","3","1") = "6"
    & skf18("6","4","6","5","7","4","1") = "6"
    & skf18("6","4","6","5","7","5","1") = "6"
    & skf18("6","4","6","5","7","6","1") = "6"
    & skf18("6","4","6","5","7","7","1") = "6"
    & skf18("6","4","6","5","7","8","1") = "7"
    & skf18("6","4","6","5","7","9","1") = "8"
    & skf18("6","4","6","5","7","10","1") = "9"
    & skf18("6","4","6","5","8","1","1") = "7"
    & skf18("6","4","6","5","8","2","1") = "7"
    & skf18("6","4","6","5","8","3","1") = "7"
    & skf18("6","4","6","5","8","4","1") = "7"
    & skf18("6","4","6","5","8","5","1") = "7"
    & skf18("6","4","6","5","8","6","1") = "7"
    & skf18("6","4","6","5","8","7","1") = "7"
    & skf18("6","4","6","5","8","8","1") = "7"
    & skf18("6","4","6","5","8","9","1") = "8"
    & skf18("6","4","6","5","8","10","1") = "9"
    & skf18("6","4","6","5","9","1","1") = "8"
    & skf18("6","4","6","5","9","2","1") = "8"
    & skf18("6","4","6","5","9","3","1") = "8"
    & skf18("6","4","6","5","9","4","1") = "8"
    & skf18("6","4","6","5","9","5","1") = "8"
    & skf18("6","4","6","5","9","6","1") = "8"
    & skf18("6","4","6","5","9","7","1") = "8"
    & skf18("6","4","6","5","9","8","1") = "8"
    & skf18("6","4","6","5","9","9","1") = "8"
    & skf18("6","4","6","5","9","10","1") = "9"
    & skf18("6","4","6","5","10","1","1") = "9"
    & skf18("6","4","6","5","10","2","1") = "9"
    & skf18("6","4","6","5","10","3","1") = "9"
    & skf18("6","4","6","5","10","4","1") = "9"
    & skf18("6","4","6","5","10","5","1") = "9"
    & skf18("6","4","6","5","10","6","1") = "9"
    & skf18("6","4","6","5","10","7","1") = "9"
    & skf18("6","4","6","5","10","8","1") = "9"
    & skf18("6","4","6","5","10","9","1") = "9"
    & skf18("6","4","6","5","10","10","1") = "9"
    & skf18("6","4","6","6","1","1","1") = "5"
    & skf18("6","4","6","6","1","2","1") = "5"
    & skf18("6","4","6","6","1","3","1") = "5"
    & skf18("6","4","6","6","1","4","1") = "5"
    & skf18("6","4","6","6","1","5","1") = "5"
    & skf18("6","4","6","6","1","6","1") = "5"
    & skf18("6","4","6","6","1","7","1") = "6"
    & skf18("6","4","6","6","1","8","1") = "7"
    & skf18("6","4","6","6","1","9","1") = "8"
    & skf18("6","4","6","6","1","10","1") = "9"
    & skf18("6","4","6","6","2","1","1") = "5"
    & skf18("6","4","6","6","2","2","1") = "5"
    & skf18("6","4","6","6","2","3","1") = "5"
    & skf18("6","4","6","6","2","4","1") = "5"
    & skf18("6","4","6","6","2","5","1") = "5"
    & skf18("6","4","6","6","2","6","1") = "5"
    & skf18("6","4","6","6","2","7","1") = "6"
    & skf18("6","4","6","6","2","8","1") = "7"
    & skf18("6","4","6","6","2","9","1") = "8"
    & skf18("6","4","6","6","2","10","1") = "9"
    & skf18("6","4","6","6","3","1","1") = "5"
    & skf18("6","4","6","6","3","2","1") = "5"
    & skf18("6","4","6","6","3","3","1") = "5"
    & skf18("6","4","6","6","3","4","1") = "5"
    & skf18("6","4","6","6","3","5","1") = "5"
    & skf18("6","4","6","6","3","6","1") = "5"
    & skf18("6","4","6","6","3","7","1") = "6"
    & skf18("6","4","6","6","3","8","1") = "7"
    & skf18("6","4","6","6","3","9","1") = "8"
    & skf18("6","4","6","6","3","10","1") = "9"
    & skf18("6","4","6","6","4","1","1") = "5"
    & skf18("6","4","6","6","4","2","1") = "5"
    & skf18("6","4","6","6","4","3","1") = "5"
    & skf18("6","4","6","6","4","4","1") = "5"
    & skf18("6","4","6","6","4","5","1") = "5"
    & skf18("6","4","6","6","4","6","1") = "5"
    & skf18("6","4","6","6","4","7","1") = "6"
    & skf18("6","4","6","6","4","8","1") = "7"
    & skf18("6","4","6","6","4","9","1") = "8"
    & skf18("6","4","6","6","4","10","1") = "9"
    & skf18("6","4","6","6","5","1","1") = "5"
    & skf18("6","4","6","6","5","2","1") = "5"
    & skf18("6","4","6","6","5","3","1") = "5"
    & skf18("6","4","6","6","5","4","1") = "5"
    & skf18("6","4","6","6","5","5","1") = "5"
    & skf18("6","4","6","6","5","6","1") = "5"
    & skf18("6","4","6","6","5","7","1") = "6"
    & skf18("6","4","6","6","5","8","1") = "7"
    & skf18("6","4","6","6","5","9","1") = "8"
    & skf18("6","4","6","6","5","10","1") = "9"
    & skf18("6","4","6","6","6","1","1") = "5"
    & skf18("6","4","6","6","6","2","1") = "5"
    & skf18("6","4","6","6","6","3","1") = "5"
    & skf18("6","4","6","6","6","4","1") = "5"
    & skf18("6","4","6","6","6","5","1") = "5"
    & skf18("6","4","6","6","6","6","1") = "5"
    & skf18("6","4","6","6","6","7","1") = "6"
    & skf18("6","4","6","6","6","8","1") = "7"
    & skf18("6","4","6","6","6","9","1") = "8"
    & skf18("6","4","6","6","6","10","1") = "9"
    & skf18("6","4","6","6","7","1","1") = "6"
    & skf18("6","4","6","6","7","2","1") = "6"
    & skf18("6","4","6","6","7","3","1") = "6"
    & skf18("6","4","6","6","7","4","1") = "6"
    & skf18("6","4","6","6","7","5","1") = "6"
    & skf18("6","4","6","6","7","6","1") = "6"
    & skf18("6","4","6","6","7","7","1") = "6"
    & skf18("6","4","6","6","7","8","1") = "7"
    & skf18("6","4","6","6","7","9","1") = "8"
    & skf18("6","4","6","6","7","10","1") = "9"
    & skf18("6","4","6","6","8","1","1") = "7"
    & skf18("6","4","6","6","8","2","1") = "7"
    & skf18("6","4","6","6","8","3","1") = "7"
    & skf18("6","4","6","6","8","4","1") = "7"
    & skf18("6","4","6","6","8","5","1") = "7"
    & skf18("6","4","6","6","8","6","1") = "7"
    & skf18("6","4","6","6","8","7","1") = "7"
    & skf18("6","4","6","6","8","8","1") = "7"
    & skf18("6","4","6","6","8","9","1") = "8"
    & skf18("6","4","6","6","8","10","1") = "9"
    & skf18("6","4","6","6","9","1","1") = "8"
    & skf18("6","4","6","6","9","2","1") = "8"
    & skf18("6","4","6","6","9","3","1") = "8"
    & skf18("6","4","6","6","9","4","1") = "8"
    & skf18("6","4","6","6","9","5","1") = "8"
    & skf18("6","4","6","6","9","6","1") = "8"
    & skf18("6","4","6","6","9","7","1") = "8"
    & skf18("6","4","6","6","9","8","1") = "8"
    & skf18("6","4","6","6","9","9","1") = "8"
    & skf18("6","4","6","6","9","10","1") = "9"
    & skf18("6","4","6","6","10","1","1") = "9"
    & skf18("6","4","6","6","10","2","1") = "9"
    & skf18("6","4","6","6","10","3","1") = "9"
    & skf18("6","4","6","6","10","4","1") = "9"
    & skf18("6","4","6","6","10","5","1") = "9"
    & skf18("6","4","6","6","10","6","1") = "9"
    & skf18("6","4","6","6","10","7","1") = "9"
    & skf18("6","4","6","6","10","8","1") = "9"
    & skf18("6","4","6","6","10","9","1") = "9"
    & skf18("6","4","6","6","10","10","1") = "9"
    & skf18("6","4","6","7","1","1","1") = "6"
    & skf18("6","4","6","7","1","2","1") = "6"
    & skf18("6","4","6","7","1","3","1") = "6"
    & skf18("6","4","6","7","1","4","1") = "6"
    & skf18("6","4","6","7","1","5","1") = "6"
    & skf18("6","4","6","7","1","6","1") = "6"
    & skf18("6","4","6","7","1","7","1") = "6"
    & skf18("6","4","6","7","1","8","1") = "7"
    & skf18("6","4","6","7","1","9","1") = "8"
    & skf18("6","4","6","7","1","10","1") = "9"
    & skf18("6","4","6","7","2","1","1") = "6"
    & skf18("6","4","6","7","2","2","1") = "6"
    & skf18("6","4","6","7","2","3","1") = "6"
    & skf18("6","4","6","7","2","4","1") = "6"
    & skf18("6","4","6","7","2","5","1") = "6"
    & skf18("6","4","6","7","2","6","1") = "6"
    & skf18("6","4","6","7","2","7","1") = "6"
    & skf18("6","4","6","7","2","8","1") = "7"
    & skf18("6","4","6","7","2","9","1") = "8"
    & skf18("6","4","6","7","2","10","1") = "9"
    & skf18("6","4","6","7","3","1","1") = "6"
    & skf18("6","4","6","7","3","2","1") = "6"
    & skf18("6","4","6","7","3","3","1") = "6"
    & skf18("6","4","6","7","3","4","1") = "6"
    & skf18("6","4","6","7","3","5","1") = "6"
    & skf18("6","4","6","7","3","6","1") = "6"
    & skf18("6","4","6","7","3","7","1") = "6"
    & skf18("6","4","6","7","3","8","1") = "7"
    & skf18("6","4","6","7","3","9","1") = "8"
    & skf18("6","4","6","7","3","10","1") = "9"
    & skf18("6","4","6","7","4","1","1") = "6"
    & skf18("6","4","6","7","4","2","1") = "6"
    & skf18("6","4","6","7","4","3","1") = "6"
    & skf18("6","4","6","7","4","4","1") = "6"
    & skf18("6","4","6","7","4","5","1") = "6"
    & skf18("6","4","6","7","4","6","1") = "6"
    & skf18("6","4","6","7","4","7","1") = "6"
    & skf18("6","4","6","7","4","8","1") = "7"
    & skf18("6","4","6","7","4","9","1") = "8"
    & skf18("6","4","6","7","4","10","1") = "9"
    & skf18("6","4","6","7","5","1","1") = "6"
    & skf18("6","4","6","7","5","2","1") = "6"
    & skf18("6","4","6","7","5","3","1") = "6"
    & skf18("6","4","6","7","5","4","1") = "6"
    & skf18("6","4","6","7","5","5","1") = "6"
    & skf18("6","4","6","7","5","6","1") = "6"
    & skf18("6","4","6","7","5","7","1") = "6"
    & skf18("6","4","6","7","5","8","1") = "7"
    & skf18("6","4","6","7","5","9","1") = "8"
    & skf18("6","4","6","7","5","10","1") = "9"
    & skf18("6","4","6","7","6","1","1") = "6"
    & skf18("6","4","6","7","6","2","1") = "6"
    & skf18("6","4","6","7","6","3","1") = "6"
    & skf18("6","4","6","7","6","4","1") = "6"
    & skf18("6","4","6","7","6","5","1") = "6"
    & skf18("6","4","6","7","6","6","1") = "6"
    & skf18("6","4","6","7","6","7","1") = "6"
    & skf18("6","4","6","7","6","8","1") = "7"
    & skf18("6","4","6","7","6","9","1") = "8"
    & skf18("6","4","6","7","6","10","1") = "9"
    & skf18("6","4","6","7","7","1","1") = "6"
    & skf18("6","4","6","7","7","2","1") = "6"
    & skf18("6","4","6","7","7","3","1") = "6"
    & skf18("6","4","6","7","7","4","1") = "6"
    & skf18("6","4","6","7","7","5","1") = "6"
    & skf18("6","4","6","7","7","6","1") = "6"
    & skf18("6","4","6","7","7","7","1") = "6"
    & skf18("6","4","6","7","7","8","1") = "7"
    & skf18("6","4","6","7","7","9","1") = "8"
    & skf18("6","4","6","7","7","10","1") = "9"
    & skf18("6","4","6","7","8","1","1") = "7"
    & skf18("6","4","6","7","8","2","1") = "7"
    & skf18("6","4","6","7","8","3","1") = "7"
    & skf18("6","4","6","7","8","4","1") = "7"
    & skf18("6","4","6","7","8","5","1") = "7"
    & skf18("6","4","6","7","8","6","1") = "7"
    & skf18("6","4","6","7","8","7","1") = "7"
    & skf18("6","4","6","7","8","8","1") = "7"
    & skf18("6","4","6","7","8","9","1") = "8"
    & skf18("6","4","6","7","8","10","1") = "9"
    & skf18("6","4","6","7","9","1","1") = "8"
    & skf18("6","4","6","7","9","2","1") = "8"
    & skf18("6","4","6","7","9","3","1") = "8"
    & skf18("6","4","6","7","9","4","1") = "8"
    & skf18("6","4","6","7","9","5","1") = "8"
    & skf18("6","4","6","7","9","6","1") = "8"
    & skf18("6","4","6","7","9","7","1") = "8"
    & skf18("6","4","6","7","9","8","1") = "8"
    & skf18("6","4","6","7","9","9","1") = "8"
    & skf18("6","4","6","7","9","10","1") = "9"
    & skf18("6","4","6","7","10","1","1") = "9"
    & skf18("6","4","6","7","10","2","1") = "9"
    & skf18("6","4","6","7","10","3","1") = "9"
    & skf18("6","4","6","7","10","4","1") = "9"
    & skf18("6","4","6","7","10","5","1") = "9"
    & skf18("6","4","6","7","10","6","1") = "9"
    & skf18("6","4","6","7","10","7","1") = "9"
    & skf18("6","4","6","7","10","8","1") = "9"
    & skf18("6","4","6","7","10","9","1") = "9"
    & skf18("6","4","6","7","10","10","1") = "9"
    & skf18("6","4","6","8","1","1","1") = "7"
    & skf18("6","4","6","8","1","2","1") = "7"
    & skf18("6","4","6","8","1","3","1") = "7"
    & skf18("6","4","6","8","1","4","1") = "7"
    & skf18("6","4","6","8","1","5","1") = "7"
    & skf18("6","4","6","8","1","6","1") = "7"
    & skf18("6","4","6","8","1","7","1") = "7"
    & skf18("6","4","6","8","1","8","1") = "7"
    & skf18("6","4","6","8","1","9","1") = "8"
    & skf18("6","4","6","8","1","10","1") = "9"
    & skf18("6","4","6","8","2","1","1") = "7"
    & skf18("6","4","6","8","2","2","1") = "7"
    & skf18("6","4","6","8","2","3","1") = "7"
    & skf18("6","4","6","8","2","4","1") = "7"
    & skf18("6","4","6","8","2","5","1") = "7"
    & skf18("6","4","6","8","2","6","1") = "7"
    & skf18("6","4","6","8","2","7","1") = "7"
    & skf18("6","4","6","8","2","8","1") = "7"
    & skf18("6","4","6","8","2","9","1") = "8"
    & skf18("6","4","6","8","2","10","1") = "9"
    & skf18("6","4","6","8","3","1","1") = "7"
    & skf18("6","4","6","8","3","2","1") = "7"
    & skf18("6","4","6","8","3","3","1") = "7"
    & skf18("6","4","6","8","3","4","1") = "7"
    & skf18("6","4","6","8","3","5","1") = "7"
    & skf18("6","4","6","8","3","6","1") = "7"
    & skf18("6","4","6","8","3","7","1") = "7"
    & skf18("6","4","6","8","3","8","1") = "7"
    & skf18("6","4","6","8","3","9","1") = "8"
    & skf18("6","4","6","8","3","10","1") = "9"
    & skf18("6","4","6","8","4","1","1") = "7"
    & skf18("6","4","6","8","4","2","1") = "7"
    & skf18("6","4","6","8","4","3","1") = "7"
    & skf18("6","4","6","8","4","4","1") = "7"
    & skf18("6","4","6","8","4","5","1") = "7"
    & skf18("6","4","6","8","4","6","1") = "7"
    & skf18("6","4","6","8","4","7","1") = "7"
    & skf18("6","4","6","8","4","8","1") = "7"
    & skf18("6","4","6","8","4","9","1") = "8"
    & skf18("6","4","6","8","4","10","1") = "9"
    & skf18("6","4","6","8","5","1","1") = "7"
    & skf18("6","4","6","8","5","2","1") = "7"
    & skf18("6","4","6","8","5","3","1") = "7"
    & skf18("6","4","6","8","5","4","1") = "7"
    & skf18("6","4","6","8","5","5","1") = "7"
    & skf18("6","4","6","8","5","6","1") = "7"
    & skf18("6","4","6","8","5","7","1") = "7"
    & skf18("6","4","6","8","5","8","1") = "7"
    & skf18("6","4","6","8","5","9","1") = "8"
    & skf18("6","4","6","8","5","10","1") = "9"
    & skf18("6","4","6","8","6","1","1") = "7"
    & skf18("6","4","6","8","6","2","1") = "7"
    & skf18("6","4","6","8","6","3","1") = "7"
    & skf18("6","4","6","8","6","4","1") = "7"
    & skf18("6","4","6","8","6","5","1") = "7"
    & skf18("6","4","6","8","6","6","1") = "7"
    & skf18("6","4","6","8","6","7","1") = "7"
    & skf18("6","4","6","8","6","8","1") = "7"
    & skf18("6","4","6","8","6","9","1") = "8"
    & skf18("6","4","6","8","6","10","1") = "9"
    & skf18("6","4","6","8","7","1","1") = "7"
    & skf18("6","4","6","8","7","2","1") = "7"
    & skf18("6","4","6","8","7","3","1") = "7"
    & skf18("6","4","6","8","7","4","1") = "7"
    & skf18("6","4","6","8","7","5","1") = "7"
    & skf18("6","4","6","8","7","6","1") = "7"
    & skf18("6","4","6","8","7","7","1") = "7"
    & skf18("6","4","6","8","7","8","1") = "7"
    & skf18("6","4","6","8","7","9","1") = "8"
    & skf18("6","4","6","8","7","10","1") = "9"
    & skf18("6","4","6","8","8","1","1") = "7"
    & skf18("6","4","6","8","8","2","1") = "7"
    & skf18("6","4","6","8","8","3","1") = "7"
    & skf18("6","4","6","8","8","4","1") = "7"
    & skf18("6","4","6","8","8","5","1") = "7"
    & skf18("6","4","6","8","8","6","1") = "7"
    & skf18("6","4","6","8","8","7","1") = "7"
    & skf18("6","4","6","8","8","8","1") = "7"
    & skf18("6","4","6","8","8","9","1") = "8"
    & skf18("6","4","6","8","8","10","1") = "9"
    & skf18("6","4","6","8","9","1","1") = "8"
    & skf18("6","4","6","8","9","2","1") = "8"
    & skf18("6","4","6","8","9","3","1") = "8"
    & skf18("6","4","6","8","9","4","1") = "8"
    & skf18("6","4","6","8","9","5","1") = "8"
    & skf18("6","4","6","8","9","6","1") = "8"
    & skf18("6","4","6","8","9","7","1") = "8"
    & skf18("6","4","6","8","9","8","1") = "8"
    & skf18("6","4","6","8","9","9","1") = "8"
    & skf18("6","4","6","8","9","10","1") = "9"
    & skf18("6","4","6","8","10","1","1") = "9"
    & skf18("6","4","6","8","10","2","1") = "9"
    & skf18("6","4","6","8","10","3","1") = "9"
    & skf18("6","4","6","8","10","4","1") = "9"
    & skf18("6","4","6","8","10","5","1") = "9"
    & skf18("6","4","6","8","10","6","1") = "9"
    & skf18("6","4","6","8","10","7","1") = "9"
    & skf18("6","4","6","8","10","8","1") = "9"
    & skf18("6","4","6","8","10","9","1") = "9"
    & skf18("6","4","6","8","10","10","1") = "9"
    & skf18("6","4","6","9","1","1","1") = "8"
    & skf18("6","4","6","9","1","2","1") = "8"
    & skf18("6","4","6","9","1","3","1") = "8"
    & skf18("6","4","6","9","1","4","1") = "8"
    & skf18("6","4","6","9","1","5","1") = "8"
    & skf18("6","4","6","9","1","6","1") = "8"
    & skf18("6","4","6","9","1","7","1") = "8"
    & skf18("6","4","6","9","1","8","1") = "8"
    & skf18("6","4","6","9","1","9","1") = "8"
    & skf18("6","4","6","9","1","10","1") = "9"
    & skf18("6","4","6","9","2","1","1") = "8"
    & skf18("6","4","6","9","2","2","1") = "8"
    & skf18("6","4","6","9","2","3","1") = "8"
    & skf18("6","4","6","9","2","4","1") = "8"
    & skf18("6","4","6","9","2","5","1") = "8"
    & skf18("6","4","6","9","2","6","1") = "8"
    & skf18("6","4","6","9","2","7","1") = "8"
    & skf18("6","4","6","9","2","8","1") = "8"
    & skf18("6","4","6","9","2","9","1") = "8"
    & skf18("6","4","6","9","2","10","1") = "9"
    & skf18("6","4","6","9","3","1","1") = "8"
    & skf18("6","4","6","9","3","2","1") = "8"
    & skf18("6","4","6","9","3","3","1") = "8"
    & skf18("6","4","6","9","3","4","1") = "8"
    & skf18("6","4","6","9","3","5","1") = "8"
    & skf18("6","4","6","9","3","6","1") = "8"
    & skf18("6","4","6","9","3","7","1") = "8"
    & skf18("6","4","6","9","3","8","1") = "8"
    & skf18("6","4","6","9","3","9","1") = "8"
    & skf18("6","4","6","9","3","10","1") = "9"
    & skf18("6","4","6","9","4","1","1") = "8"
    & skf18("6","4","6","9","4","2","1") = "8"
    & skf18("6","4","6","9","4","3","1") = "8"
    & skf18("6","4","6","9","4","4","1") = "8"
    & skf18("6","4","6","9","4","5","1") = "8"
    & skf18("6","4","6","9","4","6","1") = "8"
    & skf18("6","4","6","9","4","7","1") = "8"
    & skf18("6","4","6","9","4","8","1") = "8"
    & skf18("6","4","6","9","4","9","1") = "8"
    & skf18("6","4","6","9","4","10","1") = "9"
    & skf18("6","4","6","9","5","1","1") = "8"
    & skf18("6","4","6","9","5","2","1") = "8"
    & skf18("6","4","6","9","5","3","1") = "8"
    & skf18("6","4","6","9","5","4","1") = "8"
    & skf18("6","4","6","9","5","5","1") = "8"
    & skf18("6","4","6","9","5","6","1") = "8"
    & skf18("6","4","6","9","5","7","1") = "8"
    & skf18("6","4","6","9","5","8","1") = "8"
    & skf18("6","4","6","9","5","9","1") = "8"
    & skf18("6","4","6","9","5","10","1") = "9"
    & skf18("6","4","6","9","6","1","1") = "8"
    & skf18("6","4","6","9","6","2","1") = "8"
    & skf18("6","4","6","9","6","3","1") = "8"
    & skf18("6","4","6","9","6","4","1") = "8"
    & skf18("6","4","6","9","6","5","1") = "8"
    & skf18("6","4","6","9","6","6","1") = "8"
    & skf18("6","4","6","9","6","7","1") = "8"
    & skf18("6","4","6","9","6","8","1") = "8"
    & skf18("6","4","6","9","6","9","1") = "8"
    & skf18("6","4","6","9","6","10","1") = "9"
    & skf18("6","4","6","9","7","1","1") = "8"
    & skf18("6","4","6","9","7","2","1") = "8"
    & skf18("6","4","6","9","7","3","1") = "8"
    & skf18("6","4","6","9","7","4","1") = "8"
    & skf18("6","4","6","9","7","5","1") = "8"
    & skf18("6","4","6","9","7","6","1") = "8"
    & skf18("6","4","6","9","7","7","1") = "8"
    & skf18("6","4","6","9","7","8","1") = "8"
    & skf18("6","4","6","9","7","9","1") = "8"
    & skf18("6","4","6","9","7","10","1") = "9"
    & skf18("6","4","6","9","8","1","1") = "8"
    & skf18("6","4","6","9","8","2","1") = "8"
    & skf18("6","4","6","9","8","3","1") = "8"
    & skf18("6","4","6","9","8","4","1") = "8"
    & skf18("6","4","6","9","8","5","1") = "8"
    & skf18("6","4","6","9","8","6","1") = "8"
    & skf18("6","4","6","9","8","7","1") = "8"
    & skf18("6","4","6","9","8","8","1") = "8"
    & skf18("6","4","6","9","8","9","1") = "8"
    & skf18("6","4","6","9","8","10","1") = "9"
    & skf18("6","4","6","9","9","1","1") = "8"
    & skf18("6","4","6","9","9","2","1") = "8"
    & skf18("6","4","6","9","9","3","1") = "8"
    & skf18("6","4","6","9","9","4","1") = "8"
    & skf18("6","4","6","9","9","5","1") = "8"
    & skf18("6","4","6","9","9","6","1") = "8"
    & skf18("6","4","6","9","9","7","1") = "8"
    & skf18("6","4","6","9","9","8","1") = "8"
    & skf18("6","4","6","9","9","9","1") = "8"
    & skf18("6","4","6","9","9","10","1") = "9"
    & skf18("6","4","6","9","10","1","1") = "9"
    & skf18("6","4","6","9","10","2","1") = "9"
    & skf18("6","4","6","9","10","3","1") = "9"
    & skf18("6","4","6","9","10","4","1") = "9"
    & skf18("6","4","6","9","10","5","1") = "9"
    & skf18("6","4","6","9","10","6","1") = "9"
    & skf18("6","4","6","9","10","7","1") = "9"
    & skf18("6","4","6","9","10","8","1") = "9"
    & skf18("6","4","6","9","10","9","1") = "9"
    & skf18("6","4","6","9","10","10","1") = "9"
    & skf18("6","4","6","10","1","1","1") = "9"
    & skf18("6","4","6","10","1","2","1") = "9"
    & skf18("6","4","6","10","1","3","1") = "9"
    & skf18("6","4","6","10","1","4","1") = "9"
    & skf18("6","4","6","10","1","5","1") = "9"
    & skf18("6","4","6","10","1","6","1") = "9"
    & skf18("6","4","6","10","1","7","1") = "9"
    & skf18("6","4","6","10","1","8","1") = "9"
    & skf18("6","4","6","10","1","9","1") = "9"
    & skf18("6","4","6","10","1","10","1") = "9"
    & skf18("6","4","6","10","2","1","1") = "9"
    & skf18("6","4","6","10","2","2","1") = "9"
    & skf18("6","4","6","10","2","3","1") = "9"
    & skf18("6","4","6","10","2","4","1") = "9"
    & skf18("6","4","6","10","2","5","1") = "9"
    & skf18("6","4","6","10","2","6","1") = "9"
    & skf18("6","4","6","10","2","7","1") = "9"
    & skf18("6","4","6","10","2","8","1") = "9"
    & skf18("6","4","6","10","2","9","1") = "9"
    & skf18("6","4","6","10","2","10","1") = "9"
    & skf18("6","4","6","10","3","1","1") = "9"
    & skf18("6","4","6","10","3","2","1") = "9"
    & skf18("6","4","6","10","3","3","1") = "9"
    & skf18("6","4","6","10","3","4","1") = "9"
    & skf18("6","4","6","10","3","5","1") = "9"
    & skf18("6","4","6","10","3","6","1") = "9"
    & skf18("6","4","6","10","3","7","1") = "9"
    & skf18("6","4","6","10","3","8","1") = "9"
    & skf18("6","4","6","10","3","9","1") = "9"
    & skf18("6","4","6","10","3","10","1") = "9"
    & skf18("6","4","6","10","4","1","1") = "9"
    & skf18("6","4","6","10","4","2","1") = "9"
    & skf18("6","4","6","10","4","3","1") = "9"
    & skf18("6","4","6","10","4","4","1") = "9"
    & skf18("6","4","6","10","4","5","1") = "9"
    & skf18("6","4","6","10","4","6","1") = "9"
    & skf18("6","4","6","10","4","7","1") = "9"
    & skf18("6","4","6","10","4","8","1") = "9"
    & skf18("6","4","6","10","4","9","1") = "9"
    & skf18("6","4","6","10","4","10","1") = "9"
    & skf18("6","4","6","10","5","1","1") = "9"
    & skf18("6","4","6","10","5","2","1") = "9"
    & skf18("6","4","6","10","5","3","1") = "9"
    & skf18("6","4","6","10","5","4","1") = "9"
    & skf18("6","4","6","10","5","5","1") = "9"
    & skf18("6","4","6","10","5","6","1") = "9"
    & skf18("6","4","6","10","5","7","1") = "9"
    & skf18("6","4","6","10","5","8","1") = "9"
    & skf18("6","4","6","10","5","9","1") = "9"
    & skf18("6","4","6","10","5","10","1") = "9"
    & skf18("6","4","6","10","6","1","1") = "9"
    & skf18("6","4","6","10","6","2","1") = "9"
    & skf18("6","4","6","10","6","3","1") = "9"
    & skf18("6","4","6","10","6","4","1") = "9"
    & skf18("6","4","6","10","6","5","1") = "9"
    & skf18("6","4","6","10","6","6","1") = "9"
    & skf18("6","4","6","10","6","7","1") = "9"
    & skf18("6","4","6","10","6","8","1") = "9"
    & skf18("6","4","6","10","6","9","1") = "9"
    & skf18("6","4","6","10","6","10","1") = "9"
    & skf18("6","4","6","10","7","1","1") = "9"
    & skf18("6","4","6","10","7","2","1") = "9"
    & skf18("6","4","6","10","7","3","1") = "9"
    & skf18("6","4","6","10","7","4","1") = "9"
    & skf18("6","4","6","10","7","5","1") = "9"
    & skf18("6","4","6","10","7","6","1") = "9"
    & skf18("6","4","6","10","7","7","1") = "9"
    & skf18("6","4","6","10","7","8","1") = "9"
    & skf18("6","4","6","10","7","9","1") = "9"
    & skf18("6","4","6","10","7","10","1") = "9"
    & skf18("6","4","6","10","8","1","1") = "9"
    & skf18("6","4","6","10","8","2","1") = "9"
    & skf18("6","4","6","10","8","3","1") = "9"
    & skf18("6","4","6","10","8","4","1") = "9"
    & skf18("6","4","6","10","8","5","1") = "9"
    & skf18("6","4","6","10","8","6","1") = "9"
    & skf18("6","4","6","10","8","7","1") = "9"
    & skf18("6","4","6","10","8","8","1") = "9"
    & skf18("6","4","6","10","8","9","1") = "9"
    & skf18("6","4","6","10","8","10","1") = "9"
    & skf18("6","4","6","10","9","1","1") = "9"
    & skf18("6","4","6","10","9","2","1") = "9"
    & skf18("6","4","6","10","9","3","1") = "9"
    & skf18("6","4","6","10","9","4","1") = "9"
    & skf18("6","4","6","10","9","5","1") = "9"
    & skf18("6","4","6","10","9","6","1") = "9"
    & skf18("6","4","6","10","9","7","1") = "9"
    & skf18("6","4","6","10","9","8","1") = "9"
    & skf18("6","4","6","10","9","9","1") = "9"
    & skf18("6","4","6","10","9","10","1") = "9"
    & skf18("6","4","6","10","10","1","1") = "9"
    & skf18("6","4","6","10","10","2","1") = "9"
    & skf18("6","4","6","10","10","3","1") = "9"
    & skf18("6","4","6","10","10","4","1") = "9"
    & skf18("6","4","6","10","10","5","1") = "9"
    & skf18("6","4","6","10","10","6","1") = "9"
    & skf18("6","4","6","10","10","7","1") = "9"
    & skf18("6","4","6","10","10","8","1") = "9"
    & skf18("6","4","6","10","10","9","1") = "9"
    & skf18("6","4","6","10","10","10","1") = "9"
    & skf18("6","4","7","1","1","1","1") = "6"
    & skf18("6","4","7","1","1","2","1") = "6"
    & skf18("6","4","7","1","1","3","1") = "6"
    & skf18("6","4","7","1","1","4","1") = "6"
    & skf18("6","4","7","1","1","5","1") = "6"
    & skf18("6","4","7","1","1","6","1") = "6"
    & skf18("6","4","7","1","1","7","1") = "6"
    & skf18("6","4","7","1","1","8","1") = "7"
    & skf18("6","4","7","1","1","9","1") = "8"
    & skf18("6","4","7","1","1","10","1") = "9"
    & skf18("6","4","7","1","2","1","1") = "6"
    & skf18("6","4","7","1","2","2","1") = "6"
    & skf18("6","4","7","1","2","3","1") = "6"
    & skf18("6","4","7","1","2","4","1") = "6"
    & skf18("6","4","7","1","2","5","1") = "6"
    & skf18("6","4","7","1","2","6","1") = "6"
    & skf18("6","4","7","1","2","7","1") = "6"
    & skf18("6","4","7","1","2","8","1") = "7"
    & skf18("6","4","7","1","2","9","1") = "8"
    & skf18("6","4","7","1","2","10","1") = "9"
    & skf18("6","4","7","1","3","1","1") = "6"
    & skf18("6","4","7","1","3","2","1") = "6"
    & skf18("6","4","7","1","3","3","1") = "6"
    & skf18("6","4","7","1","3","4","1") = "6"
    & skf18("6","4","7","1","3","5","1") = "6"
    & skf18("6","4","7","1","3","6","1") = "6"
    & skf18("6","4","7","1","3","7","1") = "6"
    & skf18("6","4","7","1","3","8","1") = "7"
    & skf18("6","4","7","1","3","9","1") = "8"
    & skf18("6","4","7","1","3","10","1") = "9"
    & skf18("6","4","7","1","4","1","1") = "6"
    & skf18("6","4","7","1","4","2","1") = "6"
    & skf18("6","4","7","1","4","3","1") = "6"
    & skf18("6","4","7","1","4","4","1") = "6"
    & skf18("6","4","7","1","4","5","1") = "6"
    & skf18("6","4","7","1","4","6","1") = "6"
    & skf18("6","4","7","1","4","7","1") = "6"
    & skf18("6","4","7","1","4","8","1") = "7"
    & skf18("6","4","7","1","4","9","1") = "8"
    & skf18("6","4","7","1","4","10","1") = "9"
    & skf18("6","4","7","1","5","1","1") = "6"
    & skf18("6","4","7","1","5","2","1") = "6"
    & skf18("6","4","7","1","5","3","1") = "6"
    & skf18("6","4","7","1","5","4","1") = "6"
    & skf18("6","4","7","1","5","5","1") = "6"
    & skf18("6","4","7","1","5","6","1") = "6"
    & skf18("6","4","7","1","5","7","1") = "6"
    & skf18("6","4","7","1","5","8","1") = "7"
    & skf18("6","4","7","1","5","9","1") = "8"
    & skf18("6","4","7","1","5","10","1") = "9"
    & skf18("6","4","7","1","6","1","1") = "6"
    & skf18("6","4","7","1","6","2","1") = "6"
    & skf18("6","4","7","1","6","3","1") = "6"
    & skf18("6","4","7","1","6","4","1") = "6"
    & skf18("6","4","7","1","6","5","1") = "6"
    & skf18("6","4","7","1","6","6","1") = "6"
    & skf18("6","4","7","1","6","7","1") = "6"
    & skf18("6","4","7","1","6","8","1") = "7"
    & skf18("6","4","7","1","6","9","1") = "8"
    & skf18("6","4","7","1","6","10","1") = "9"
    & skf18("6","4","7","1","7","1","1") = "6"
    & skf18("6","4","7","1","7","2","1") = "6"
    & skf18("6","4","7","1","7","3","1") = "6"
    & skf18("6","4","7","1","7","4","1") = "6"
    & skf18("6","4","7","1","7","5","1") = "6"
    & skf18("6","4","7","1","7","6","1") = "6"
    & skf18("6","4","7","1","7","7","1") = "6"
    & skf18("6","4","7","1","7","8","1") = "7"
    & skf18("6","4","7","1","7","9","1") = "8"
    & skf18("6","4","7","1","7","10","1") = "9"
    & skf18("6","4","7","1","8","1","1") = "7"
    & skf18("6","4","7","1","8","2","1") = "7"
    & skf18("6","4","7","1","8","3","1") = "7"
    & skf18("6","4","7","1","8","4","1") = "7"
    & skf18("6","4","7","1","8","5","1") = "7"
    & skf18("6","4","7","1","8","6","1") = "7"
    & skf18("6","4","7","1","8","7","1") = "7"
    & skf18("6","4","7","1","8","8","1") = "7"
    & skf18("6","4","7","1","8","9","1") = "8"
    & skf18("6","4","7","1","8","10","1") = "9"
    & skf18("6","4","7","1","9","1","1") = "8"
    & skf18("6","4","7","1","9","2","1") = "8"
    & skf18("6","4","7","1","9","3","1") = "8"
    & skf18("6","4","7","1","9","4","1") = "8"
    & skf18("6","4","7","1","9","5","1") = "8"
    & skf18("6","4","7","1","9","6","1") = "8"
    & skf18("6","4","7","1","9","7","1") = "8"
    & skf18("6","4","7","1","9","8","1") = "8"
    & skf18("6","4","7","1","9","9","1") = "8"
    & skf18("6","4","7","1","9","10","1") = "9"
    & skf18("6","4","7","1","10","1","1") = "9"
    & skf18("6","4","7","1","10","2","1") = "9"
    & skf18("6","4","7","1","10","3","1") = "9"
    & skf18("6","4","7","1","10","4","1") = "9"
    & skf18("6","4","7","1","10","5","1") = "9"
    & skf18("6","4","7","1","10","6","1") = "9"
    & skf18("6","4","7","1","10","7","1") = "9"
    & skf18("6","4","7","1","10","8","1") = "9"
    & skf18("6","4","7","1","10","9","1") = "9"
    & skf18("6","4","7","1","10","10","1") = "9"
    & skf18("6","4","7","2","1","1","1") = "6"
    & skf18("6","4","7","2","1","2","1") = "6"
    & skf18("6","4","7","2","1","3","1") = "6"
    & skf18("6","4","7","2","1","4","1") = "6"
    & skf18("6","4","7","2","1","5","1") = "6"
    & skf18("6","4","7","2","1","6","1") = "6"
    & skf18("6","4","7","2","1","7","1") = "6"
    & skf18("6","4","7","2","1","8","1") = "7"
    & skf18("6","4","7","2","1","9","1") = "8"
    & skf18("6","4","7","2","1","10","1") = "9"
    & skf18("6","4","7","2","2","1","1") = "6"
    & skf18("6","4","7","2","2","2","1") = "6"
    & skf18("6","4","7","2","2","3","1") = "6"
    & skf18("6","4","7","2","2","4","1") = "6"
    & skf18("6","4","7","2","2","5","1") = "6"
    & skf18("6","4","7","2","2","6","1") = "6"
    & skf18("6","4","7","2","2","7","1") = "6"
    & skf18("6","4","7","2","2","8","1") = "7"
    & skf18("6","4","7","2","2","9","1") = "8"
    & skf18("6","4","7","2","2","10","1") = "9"
    & skf18("6","4","7","2","3","1","1") = "6"
    & skf18("6","4","7","2","3","2","1") = "6"
    & skf18("6","4","7","2","3","3","1") = "6"
    & skf18("6","4","7","2","3","4","1") = "6"
    & skf18("6","4","7","2","3","5","1") = "6"
    & skf18("6","4","7","2","3","6","1") = "6"
    & skf18("6","4","7","2","3","7","1") = "6"
    & skf18("6","4","7","2","3","8","1") = "7"
    & skf18("6","4","7","2","3","9","1") = "8"
    & skf18("6","4","7","2","3","10","1") = "9"
    & skf18("6","4","7","2","4","1","1") = "6"
    & skf18("6","4","7","2","4","2","1") = "6"
    & skf18("6","4","7","2","4","3","1") = "6"
    & skf18("6","4","7","2","4","4","1") = "6"
    & skf18("6","4","7","2","4","5","1") = "6"
    & skf18("6","4","7","2","4","6","1") = "6"
    & skf18("6","4","7","2","4","7","1") = "6"
    & skf18("6","4","7","2","4","8","1") = "7"
    & skf18("6","4","7","2","4","9","1") = "8"
    & skf18("6","4","7","2","4","10","1") = "9"
    & skf18("6","4","7","2","5","1","1") = "6"
    & skf18("6","4","7","2","5","2","1") = "6"
    & skf18("6","4","7","2","5","3","1") = "6"
    & skf18("6","4","7","2","5","4","1") = "6"
    & skf18("6","4","7","2","5","5","1") = "6"
    & skf18("6","4","7","2","5","6","1") = "6"
    & skf18("6","4","7","2","5","7","1") = "6"
    & skf18("6","4","7","2","5","8","1") = "7"
    & skf18("6","4","7","2","5","9","1") = "8"
    & skf18("6","4","7","2","5","10","1") = "9"
    & skf18("6","4","7","2","6","1","1") = "6"
    & skf18("6","4","7","2","6","2","1") = "6"
    & skf18("6","4","7","2","6","3","1") = "6"
    & skf18("6","4","7","2","6","4","1") = "6"
    & skf18("6","4","7","2","6","5","1") = "6"
    & skf18("6","4","7","2","6","6","1") = "6"
    & skf18("6","4","7","2","6","7","1") = "6"
    & skf18("6","4","7","2","6","8","1") = "7"
    & skf18("6","4","7","2","6","9","1") = "8"
    & skf18("6","4","7","2","6","10","1") = "9"
    & skf18("6","4","7","2","7","1","1") = "6"
    & skf18("6","4","7","2","7","2","1") = "6"
    & skf18("6","4","7","2","7","3","1") = "6"
    & skf18("6","4","7","2","7","4","1") = "6"
    & skf18("6","4","7","2","7","5","1") = "6"
    & skf18("6","4","7","2","7","6","1") = "6"
    & skf18("6","4","7","2","7","7","1") = "6"
    & skf18("6","4","7","2","7","8","1") = "7"
    & skf18("6","4","7","2","7","9","1") = "8"
    & skf18("6","4","7","2","7","10","1") = "9"
    & skf18("6","4","7","2","8","1","1") = "7"
    & skf18("6","4","7","2","8","2","1") = "7"
    & skf18("6","4","7","2","8","3","1") = "7"
    & skf18("6","4","7","2","8","4","1") = "7"
    & skf18("6","4","7","2","8","5","1") = "7"
    & skf18("6","4","7","2","8","6","1") = "7"
    & skf18("6","4","7","2","8","7","1") = "7"
    & skf18("6","4","7","2","8","8","1") = "7"
    & skf18("6","4","7","2","8","9","1") = "8"
    & skf18("6","4","7","2","8","10","1") = "9"
    & skf18("6","4","7","2","9","1","1") = "8"
    & skf18("6","4","7","2","9","2","1") = "8"
    & skf18("6","4","7","2","9","3","1") = "8"
    & skf18("6","4","7","2","9","4","1") = "8"
    & skf18("6","4","7","2","9","5","1") = "8"
    & skf18("6","4","7","2","9","6","1") = "8"
    & skf18("6","4","7","2","9","7","1") = "8"
    & skf18("6","4","7","2","9","8","1") = "8"
    & skf18("6","4","7","2","9","9","1") = "8"
    & skf18("6","4","7","2","9","10","1") = "9"
    & skf18("6","4","7","2","10","1","1") = "9"
    & skf18("6","4","7","2","10","2","1") = "9"
    & skf18("6","4","7","2","10","3","1") = "9"
    & skf18("6","4","7","2","10","4","1") = "9"
    & skf18("6","4","7","2","10","5","1") = "9"
    & skf18("6","4","7","2","10","6","1") = "9"
    & skf18("6","4","7","2","10","7","1") = "9"
    & skf18("6","4","7","2","10","8","1") = "9"
    & skf18("6","4","7","2","10","9","1") = "9"
    & skf18("6","4","7","2","10","10","1") = "9"
    & skf18("6","4","7","3","1","1","1") = "6"
    & skf18("6","4","7","3","1","2","1") = "6"
    & skf18("6","4","7","3","1","3","1") = "6"
    & skf18("6","4","7","3","1","4","1") = "6"
    & skf18("6","4","7","3","1","5","1") = "6"
    & skf18("6","4","7","3","1","6","1") = "6"
    & skf18("6","4","7","3","1","7","1") = "6"
    & skf18("6","4","7","3","1","8","1") = "7"
    & skf18("6","4","7","3","1","9","1") = "8"
    & skf18("6","4","7","3","1","10","1") = "9"
    & skf18("6","4","7","3","2","1","1") = "6"
    & skf18("6","4","7","3","2","2","1") = "6"
    & skf18("6","4","7","3","2","3","1") = "6"
    & skf18("6","4","7","3","2","4","1") = "6"
    & skf18("6","4","7","3","2","5","1") = "6"
    & skf18("6","4","7","3","2","6","1") = "6"
    & skf18("6","4","7","3","2","7","1") = "6"
    & skf18("6","4","7","3","2","8","1") = "7"
    & skf18("6","4","7","3","2","9","1") = "8"
    & skf18("6","4","7","3","2","10","1") = "9"
    & skf18("6","4","7","3","3","1","1") = "6"
    & skf18("6","4","7","3","3","2","1") = "6"
    & skf18("6","4","7","3","3","3","1") = "6"
    & skf18("6","4","7","3","3","4","1") = "6"
    & skf18("6","4","7","3","3","5","1") = "6"
    & skf18("6","4","7","3","3","6","1") = "6"
    & skf18("6","4","7","3","3","7","1") = "6"
    & skf18("6","4","7","3","3","8","1") = "7"
    & skf18("6","4","7","3","3","9","1") = "8"
    & skf18("6","4","7","3","3","10","1") = "9"
    & skf18("6","4","7","3","4","1","1") = "6"
    & skf18("6","4","7","3","4","2","1") = "6"
    & skf18("6","4","7","3","4","3","1") = "6"
    & skf18("6","4","7","3","4","4","1") = "6"
    & skf18("6","4","7","3","4","5","1") = "6"
    & skf18("6","4","7","3","4","6","1") = "6"
    & skf18("6","4","7","3","4","7","1") = "6"
    & skf18("6","4","7","3","4","8","1") = "7"
    & skf18("6","4","7","3","4","9","1") = "8"
    & skf18("6","4","7","3","4","10","1") = "9"
    & skf18("6","4","7","3","5","1","1") = "6"
    & skf18("6","4","7","3","5","2","1") = "6"
    & skf18("6","4","7","3","5","3","1") = "6"
    & skf18("6","4","7","3","5","4","1") = "6"
    & skf18("6","4","7","3","5","5","1") = "6"
    & skf18("6","4","7","3","5","6","1") = "6"
    & skf18("6","4","7","3","5","7","1") = "6"
    & skf18("6","4","7","3","5","8","1") = "7"
    & skf18("6","4","7","3","5","9","1") = "8"
    & skf18("6","4","7","3","5","10","1") = "9"
    & skf18("6","4","7","3","6","1","1") = "6"
    & skf18("6","4","7","3","6","2","1") = "6"
    & skf18("6","4","7","3","6","3","1") = "6"
    & skf18("6","4","7","3","6","4","1") = "6"
    & skf18("6","4","7","3","6","5","1") = "6"
    & skf18("6","4","7","3","6","6","1") = "6"
    & skf18("6","4","7","3","6","7","1") = "6"
    & skf18("6","4","7","3","6","8","1") = "7"
    & skf18("6","4","7","3","6","9","1") = "8"
    & skf18("6","4","7","3","6","10","1") = "9"
    & skf18("6","4","7","3","7","1","1") = "6"
    & skf18("6","4","7","3","7","2","1") = "6"
    & skf18("6","4","7","3","7","3","1") = "6"
    & skf18("6","4","7","3","7","4","1") = "6"
    & skf18("6","4","7","3","7","5","1") = "6"
    & skf18("6","4","7","3","7","6","1") = "6"
    & skf18("6","4","7","3","7","7","1") = "6"
    & skf18("6","4","7","3","7","8","1") = "7"
    & skf18("6","4","7","3","7","9","1") = "8"
    & skf18("6","4","7","3","7","10","1") = "9"
    & skf18("6","4","7","3","8","1","1") = "7"
    & skf18("6","4","7","3","8","2","1") = "7"
    & skf18("6","4","7","3","8","3","1") = "7"
    & skf18("6","4","7","3","8","4","1") = "7"
    & skf18("6","4","7","3","8","5","1") = "7"
    & skf18("6","4","7","3","8","6","1") = "7"
    & skf18("6","4","7","3","8","7","1") = "7"
    & skf18("6","4","7","3","8","8","1") = "7"
    & skf18("6","4","7","3","8","9","1") = "8"
    & skf18("6","4","7","3","8","10","1") = "9"
    & skf18("6","4","7","3","9","1","1") = "8"
    & skf18("6","4","7","3","9","2","1") = "8"
    & skf18("6","4","7","3","9","3","1") = "8"
    & skf18("6","4","7","3","9","4","1") = "8"
    & skf18("6","4","7","3","9","5","1") = "8"
    & skf18("6","4","7","3","9","6","1") = "8"
    & skf18("6","4","7","3","9","7","1") = "8"
    & skf18("6","4","7","3","9","8","1") = "8"
    & skf18("6","4","7","3","9","9","1") = "8"
    & skf18("6","4","7","3","9","10","1") = "9"
    & skf18("6","4","7","3","10","1","1") = "9"
    & skf18("6","4","7","3","10","2","1") = "9"
    & skf18("6","4","7","3","10","3","1") = "9"
    & skf18("6","4","7","3","10","4","1") = "9"
    & skf18("6","4","7","3","10","5","1") = "9"
    & skf18("6","4","7","3","10","6","1") = "9"
    & skf18("6","4","7","3","10","7","1") = "9"
    & skf18("6","4","7","3","10","8","1") = "9"
    & skf18("6","4","7","3","10","9","1") = "9"
    & skf18("6","4","7","3","10","10","1") = "9"
    & skf18("6","4","7","4","1","1","1") = "6"
    & skf18("6","4","7","4","1","2","1") = "6"
    & skf18("6","4","7","4","1","3","1") = "6"
    & skf18("6","4","7","4","1","4","1") = "6"
    & skf18("6","4","7","4","1","5","1") = "6"
    & skf18("6","4","7","4","1","6","1") = "6"
    & skf18("6","4","7","4","1","7","1") = "6"
    & skf18("6","4","7","4","1","8","1") = "7"
    & skf18("6","4","7","4","1","9","1") = "8"
    & skf18("6","4","7","4","1","10","1") = "9"
    & skf18("6","4","7","4","2","1","1") = "6"
    & skf18("6","4","7","4","2","2","1") = "6"
    & skf18("6","4","7","4","2","3","1") = "6"
    & skf18("6","4","7","4","2","4","1") = "6"
    & skf18("6","4","7","4","2","5","1") = "6"
    & skf18("6","4","7","4","2","6","1") = "6"
    & skf18("6","4","7","4","2","7","1") = "6"
    & skf18("6","4","7","4","2","8","1") = "7"
    & skf18("6","4","7","4","2","9","1") = "8"
    & skf18("6","4","7","4","2","10","1") = "9"
    & skf18("6","4","7","4","3","1","1") = "6"
    & skf18("6","4","7","4","3","2","1") = "6"
    & skf18("6","4","7","4","3","3","1") = "6"
    & skf18("6","4","7","4","3","4","1") = "6"
    & skf18("6","4","7","4","3","5","1") = "6"
    & skf18("6","4","7","4","3","6","1") = "6"
    & skf18("6","4","7","4","3","7","1") = "6"
    & skf18("6","4","7","4","3","8","1") = "7"
    & skf18("6","4","7","4","3","9","1") = "8"
    & skf18("6","4","7","4","3","10","1") = "9"
    & skf18("6","4","7","4","4","1","1") = "6"
    & skf18("6","4","7","4","4","2","1") = "6"
    & skf18("6","4","7","4","4","3","1") = "6"
    & skf18("6","4","7","4","4","4","1") = "6"
    & skf18("6","4","7","4","4","5","1") = "6"
    & skf18("6","4","7","4","4","6","1") = "6"
    & skf18("6","4","7","4","4","7","1") = "6"
    & skf18("6","4","7","4","4","8","1") = "7"
    & skf18("6","4","7","4","4","9","1") = "8"
    & skf18("6","4","7","4","4","10","1") = "9"
    & skf18("6","4","7","4","5","1","1") = "6"
    & skf18("6","4","7","4","5","2","1") = "6"
    & skf18("6","4","7","4","5","3","1") = "6"
    & skf18("6","4","7","4","5","4","1") = "6"
    & skf18("6","4","7","4","5","5","1") = "6"
    & skf18("6","4","7","4","5","6","1") = "6"
    & skf18("6","4","7","4","5","7","1") = "6"
    & skf18("6","4","7","4","5","8","1") = "7"
    & skf18("6","4","7","4","5","9","1") = "8"
    & skf18("6","4","7","4","5","10","1") = "9"
    & skf18("6","4","7","4","6","1","1") = "6"
    & skf18("6","4","7","4","6","2","1") = "6"
    & skf18("6","4","7","4","6","3","1") = "6"
    & skf18("6","4","7","4","6","4","1") = "6"
    & skf18("6","4","7","4","6","5","1") = "6"
    & skf18("6","4","7","4","6","6","1") = "6"
    & skf18("6","4","7","4","6","7","1") = "6"
    & skf18("6","4","7","4","6","8","1") = "7"
    & skf18("6","4","7","4","6","9","1") = "8"
    & skf18("6","4","7","4","6","10","1") = "9"
    & skf18("6","4","7","4","7","1","1") = "6"
    & skf18("6","4","7","4","7","2","1") = "6"
    & skf18("6","4","7","4","7","3","1") = "6"
    & skf18("6","4","7","4","7","4","1") = "6"
    & skf18("6","4","7","4","7","5","1") = "6"
    & skf18("6","4","7","4","7","6","1") = "6"
    & skf18("6","4","7","4","7","7","1") = "6"
    & skf18("6","4","7","4","7","8","1") = "7"
    & skf18("6","4","7","4","7","9","1") = "8"
    & skf18("6","4","7","4","7","10","1") = "9"
    & skf18("6","4","7","4","8","1","1") = "7"
    & skf18("6","4","7","4","8","2","1") = "7"
    & skf18("6","4","7","4","8","3","1") = "7"
    & skf18("6","4","7","4","8","4","1") = "7"
    & skf18("6","4","7","4","8","5","1") = "7"
    & skf18("6","4","7","4","8","6","1") = "7"
    & skf18("6","4","7","4","8","7","1") = "7"
    & skf18("6","4","7","4","8","8","1") = "7"
    & skf18("6","4","7","4","8","9","1") = "8"
    & skf18("6","4","7","4","8","10","1") = "9"
    & skf18("6","4","7","4","9","1","1") = "8"
    & skf18("6","4","7","4","9","2","1") = "8"
    & skf18("6","4","7","4","9","3","1") = "8"
    & skf18("6","4","7","4","9","4","1") = "8"
    & skf18("6","4","7","4","9","5","1") = "8"
    & skf18("6","4","7","4","9","6","1") = "8"
    & skf18("6","4","7","4","9","7","1") = "8"
    & skf18("6","4","7","4","9","8","1") = "8"
    & skf18("6","4","7","4","9","9","1") = "8"
    & skf18("6","4","7","4","9","10","1") = "9"
    & skf18("6","4","7","4","10","1","1") = "9"
    & skf18("6","4","7","4","10","2","1") = "9"
    & skf18("6","4","7","4","10","3","1") = "9"
    & skf18("6","4","7","4","10","4","1") = "9"
    & skf18("6","4","7","4","10","5","1") = "9"
    & skf18("6","4","7","4","10","6","1") = "9"
    & skf18("6","4","7","4","10","7","1") = "9"
    & skf18("6","4","7","4","10","8","1") = "9"
    & skf18("6","4","7","4","10","9","1") = "9"
    & skf18("6","4","7","4","10","10","1") = "9"
    & skf18("6","4","7","5","1","1","1") = "6"
    & skf18("6","4","7","5","1","2","1") = "6"
    & skf18("6","4","7","5","1","3","1") = "6"
    & skf18("6","4","7","5","1","4","1") = "6"
    & skf18("6","4","7","5","1","5","1") = "6"
    & skf18("6","4","7","5","1","6","1") = "6"
    & skf18("6","4","7","5","1","7","1") = "6"
    & skf18("6","4","7","5","1","8","1") = "7"
    & skf18("6","4","7","5","1","9","1") = "8"
    & skf18("6","4","7","5","1","10","1") = "9"
    & skf18("6","4","7","5","2","1","1") = "6"
    & skf18("6","4","7","5","2","2","1") = "6"
    & skf18("6","4","7","5","2","3","1") = "6"
    & skf18("6","4","7","5","2","4","1") = "6"
    & skf18("6","4","7","5","2","5","1") = "6"
    & skf18("6","4","7","5","2","6","1") = "6"
    & skf18("6","4","7","5","2","7","1") = "6"
    & skf18("6","4","7","5","2","8","1") = "7"
    & skf18("6","4","7","5","2","9","1") = "8"
    & skf18("6","4","7","5","2","10","1") = "9"
    & skf18("6","4","7","5","3","1","1") = "6"
    & skf18("6","4","7","5","3","2","1") = "6"
    & skf18("6","4","7","5","3","3","1") = "6"
    & skf18("6","4","7","5","3","4","1") = "6"
    & skf18("6","4","7","5","3","5","1") = "6"
    & skf18("6","4","7","5","3","6","1") = "6"
    & skf18("6","4","7","5","3","7","1") = "6"
    & skf18("6","4","7","5","3","8","1") = "7"
    & skf18("6","4","7","5","3","9","1") = "8"
    & skf18("6","4","7","5","3","10","1") = "9"
    & skf18("6","4","7","5","4","1","1") = "6"
    & skf18("6","4","7","5","4","2","1") = "6"
    & skf18("6","4","7","5","4","3","1") = "6"
    & skf18("6","4","7","5","4","4","1") = "6"
    & skf18("6","4","7","5","4","5","1") = "6"
    & skf18("6","4","7","5","4","6","1") = "6"
    & skf18("6","4","7","5","4","7","1") = "6"
    & skf18("6","4","7","5","4","8","1") = "7"
    & skf18("6","4","7","5","4","9","1") = "8"
    & skf18("6","4","7","5","4","10","1") = "9"
    & skf18("6","4","7","5","5","1","1") = "6"
    & skf18("6","4","7","5","5","2","1") = "6"
    & skf18("6","4","7","5","5","3","1") = "6"
    & skf18("6","4","7","5","5","4","1") = "6"
    & skf18("6","4","7","5","5","5","1") = "6"
    & skf18("6","4","7","5","5","6","1") = "6"
    & skf18("6","4","7","5","5","7","1") = "6"
    & skf18("6","4","7","5","5","8","1") = "7"
    & skf18("6","4","7","5","5","9","1") = "8"
    & skf18("6","4","7","5","5","10","1") = "9"
    & skf18("6","4","7","5","6","1","1") = "6"
    & skf18("6","4","7","5","6","2","1") = "6"
    & skf18("6","4","7","5","6","3","1") = "6"
    & skf18("6","4","7","5","6","4","1") = "6"
    & skf18("6","4","7","5","6","5","1") = "6"
    & skf18("6","4","7","5","6","6","1") = "6"
    & skf18("6","4","7","5","6","7","1") = "6"
    & skf18("6","4","7","5","6","8","1") = "7"
    & skf18("6","4","7","5","6","9","1") = "8"
    & skf18("6","4","7","5","6","10","1") = "9"
    & skf18("6","4","7","5","7","1","1") = "6"
    & skf18("6","4","7","5","7","2","1") = "6"
    & skf18("6","4","7","5","7","3","1") = "6"
    & skf18("6","4","7","5","7","4","1") = "6"
    & skf18("6","4","7","5","7","5","1") = "6"
    & skf18("6","4","7","5","7","6","1") = "6"
    & skf18("6","4","7","5","7","7","1") = "6"
    & skf18("6","4","7","5","7","8","1") = "7"
    & skf18("6","4","7","5","7","9","1") = "8"
    & skf18("6","4","7","5","7","10","1") = "9"
    & skf18("6","4","7","5","8","1","1") = "7"
    & skf18("6","4","7","5","8","2","1") = "7"
    & skf18("6","4","7","5","8","3","1") = "7"
    & skf18("6","4","7","5","8","4","1") = "7"
    & skf18("6","4","7","5","8","5","1") = "7"
    & skf18("6","4","7","5","8","6","1") = "7"
    & skf18("6","4","7","5","8","7","1") = "7"
    & skf18("6","4","7","5","8","8","1") = "7"
    & skf18("6","4","7","5","8","9","1") = "8"
    & skf18("6","4","7","5","8","10","1") = "9"
    & skf18("6","4","7","5","9","1","1") = "8"
    & skf18("6","4","7","5","9","2","1") = "8"
    & skf18("6","4","7","5","9","3","1") = "8"
    & skf18("6","4","7","5","9","4","1") = "8"
    & skf18("6","4","7","5","9","5","1") = "8"
    & skf18("6","4","7","5","9","6","1") = "8"
    & skf18("6","4","7","5","9","7","1") = "8"
    & skf18("6","4","7","5","9","8","1") = "8"
    & skf18("6","4","7","5","9","9","1") = "8"
    & skf18("6","4","7","5","9","10","1") = "9"
    & skf18("6","4","7","5","10","1","1") = "9"
    & skf18("6","4","7","5","10","2","1") = "9"
    & skf18("6","4","7","5","10","3","1") = "9"
    & skf18("6","4","7","5","10","4","1") = "9"
    & skf18("6","4","7","5","10","5","1") = "9"
    & skf18("6","4","7","5","10","6","1") = "9"
    & skf18("6","4","7","5","10","7","1") = "9"
    & skf18("6","4","7","5","10","8","1") = "9"
    & skf18("6","4","7","5","10","9","1") = "9"
    & skf18("6","4","7","5","10","10","1") = "9"
    & skf18("6","4","7","6","1","1","1") = "6"
    & skf18("6","4","7","6","1","2","1") = "6"
    & skf18("6","4","7","6","1","3","1") = "6"
    & skf18("6","4","7","6","1","4","1") = "6"
    & skf18("6","4","7","6","1","5","1") = "6"
    & skf18("6","4","7","6","1","6","1") = "6"
    & skf18("6","4","7","6","1","7","1") = "6"
    & skf18("6","4","7","6","1","8","1") = "7"
    & skf18("6","4","7","6","1","9","1") = "8"
    & skf18("6","4","7","6","1","10","1") = "9"
    & skf18("6","4","7","6","2","1","1") = "6"
    & skf18("6","4","7","6","2","2","1") = "6"
    & skf18("6","4","7","6","2","3","1") = "6"
    & skf18("6","4","7","6","2","4","1") = "6"
    & skf18("6","4","7","6","2","5","1") = "6"
    & skf18("6","4","7","6","2","6","1") = "6"
    & skf18("6","4","7","6","2","7","1") = "6"
    & skf18("6","4","7","6","2","8","1") = "7"
    & skf18("6","4","7","6","2","9","1") = "8"
    & skf18("6","4","7","6","2","10","1") = "9"
    & skf18("6","4","7","6","3","1","1") = "6"
    & skf18("6","4","7","6","3","2","1") = "6"
    & skf18("6","4","7","6","3","3","1") = "6"
    & skf18("6","4","7","6","3","4","1") = "6"
    & skf18("6","4","7","6","3","5","1") = "6"
    & skf18("6","4","7","6","3","6","1") = "6"
    & skf18("6","4","7","6","3","7","1") = "6"
    & skf18("6","4","7","6","3","8","1") = "7"
    & skf18("6","4","7","6","3","9","1") = "8"
    & skf18("6","4","7","6","3","10","1") = "9"
    & skf18("6","4","7","6","4","1","1") = "6"
    & skf18("6","4","7","6","4","2","1") = "6"
    & skf18("6","4","7","6","4","3","1") = "6"
    & skf18("6","4","7","6","4","4","1") = "6"
    & skf18("6","4","7","6","4","5","1") = "6"
    & skf18("6","4","7","6","4","6","1") = "6"
    & skf18("6","4","7","6","4","7","1") = "6"
    & skf18("6","4","7","6","4","8","1") = "7"
    & skf18("6","4","7","6","4","9","1") = "8"
    & skf18("6","4","7","6","4","10","1") = "9"
    & skf18("6","4","7","6","5","1","1") = "6"
    & skf18("6","4","7","6","5","2","1") = "6"
    & skf18("6","4","7","6","5","3","1") = "6"
    & skf18("6","4","7","6","5","4","1") = "6"
    & skf18("6","4","7","6","5","5","1") = "6"
    & skf18("6","4","7","6","5","6","1") = "6"
    & skf18("6","4","7","6","5","7","1") = "6"
    & skf18("6","4","7","6","5","8","1") = "7"
    & skf18("6","4","7","6","5","9","1") = "8"
    & skf18("6","4","7","6","5","10","1") = "9"
    & skf18("6","4","7","6","6","1","1") = "6"
    & skf18("6","4","7","6","6","2","1") = "6"
    & skf18("6","4","7","6","6","3","1") = "6"
    & skf18("6","4","7","6","6","4","1") = "6"
    & skf18("6","4","7","6","6","5","1") = "6"
    & skf18("6","4","7","6","6","6","1") = "6"
    & skf18("6","4","7","6","6","7","1") = "6"
    & skf18("6","4","7","6","6","8","1") = "7"
    & skf18("6","4","7","6","6","9","1") = "8"
    & skf18("6","4","7","6","6","10","1") = "9"
    & skf18("6","4","7","6","7","1","1") = "6"
    & skf18("6","4","7","6","7","2","1") = "6"
    & skf18("6","4","7","6","7","3","1") = "6"
    & skf18("6","4","7","6","7","4","1") = "6"
    & skf18("6","4","7","6","7","5","1") = "6"
    & skf18("6","4","7","6","7","6","1") = "6"
    & skf18("6","4","7","6","7","7","1") = "6"
    & skf18("6","4","7","6","7","8","1") = "7"
    & skf18("6","4","7","6","7","9","1") = "8"
    & skf18("6","4","7","6","7","10","1") = "9"
    & skf18("6","4","7","6","8","1","1") = "7"
    & skf18("6","4","7","6","8","2","1") = "7"
    & skf18("6","4","7","6","8","3","1") = "7"
    & skf18("6","4","7","6","8","4","1") = "7"
    & skf18("6","4","7","6","8","5","1") = "7"
    & skf18("6","4","7","6","8","6","1") = "7"
    & skf18("6","4","7","6","8","7","1") = "7"
    & skf18("6","4","7","6","8","8","1") = "7"
    & skf18("6","4","7","6","8","9","1") = "8"
    & skf18("6","4","7","6","8","10","1") = "9"
    & skf18("6","4","7","6","9","1","1") = "8"
    & skf18("6","4","7","6","9","2","1") = "8"
    & skf18("6","4","7","6","9","3","1") = "8"
    & skf18("6","4","7","6","9","4","1") = "8"
    & skf18("6","4","7","6","9","5","1") = "8"
    & skf18("6","4","7","6","9","6","1") = "8"
    & skf18("6","4","7","6","9","7","1") = "8"
    & skf18("6","4","7","6","9","8","1") = "8"
    & skf18("6","4","7","6","9","9","1") = "8"
    & skf18("6","4","7","6","9","10","1") = "9"
    & skf18("6","4","7","6","10","1","1") = "9"
    & skf18("6","4","7","6","10","2","1") = "9"
    & skf18("6","4","7","6","10","3","1") = "9"
    & skf18("6","4","7","6","10","4","1") = "9"
    & skf18("6","4","7","6","10","5","1") = "9"
    & skf18("6","4","7","6","10","6","1") = "9"
    & skf18("6","4","7","6","10","7","1") = "9"
    & skf18("6","4","7","6","10","8","1") = "9"
    & skf18("6","4","7","6","10","9","1") = "9"
    & skf18("6","4","7","6","10","10","1") = "9"
    & skf18("6","4","7","7","1","1","1") = "6"
    & skf18("6","4","7","7","1","2","1") = "6"
    & skf18("6","4","7","7","1","3","1") = "6"
    & skf18("6","4","7","7","1","4","1") = "6"
    & skf18("6","4","7","7","1","5","1") = "6"
    & skf18("6","4","7","7","1","6","1") = "6"
    & skf18("6","4","7","7","1","7","1") = "6"
    & skf18("6","4","7","7","1","8","1") = "7"
    & skf18("6","4","7","7","1","9","1") = "8"
    & skf18("6","4","7","7","1","10","1") = "9"
    & skf18("6","4","7","7","2","1","1") = "6"
    & skf18("6","4","7","7","2","2","1") = "6"
    & skf18("6","4","7","7","2","3","1") = "6"
    & skf18("6","4","7","7","2","4","1") = "6"
    & skf18("6","4","7","7","2","5","1") = "6"
    & skf18("6","4","7","7","2","6","1") = "6"
    & skf18("6","4","7","7","2","7","1") = "6"
    & skf18("6","4","7","7","2","8","1") = "7"
    & skf18("6","4","7","7","2","9","1") = "8"
    & skf18("6","4","7","7","2","10","1") = "9"
    & skf18("6","4","7","7","3","1","1") = "6"
    & skf18("6","4","7","7","3","2","1") = "6"
    & skf18("6","4","7","7","3","3","1") = "6"
    & skf18("6","4","7","7","3","4","1") = "6"
    & skf18("6","4","7","7","3","5","1") = "6"
    & skf18("6","4","7","7","3","6","1") = "6"
    & skf18("6","4","7","7","3","7","1") = "6"
    & skf18("6","4","7","7","3","8","1") = "7"
    & skf18("6","4","7","7","3","9","1") = "8"
    & skf18("6","4","7","7","3","10","1") = "9"
    & skf18("6","4","7","7","4","1","1") = "6"
    & skf18("6","4","7","7","4","2","1") = "6"
    & skf18("6","4","7","7","4","3","1") = "6"
    & skf18("6","4","7","7","4","4","1") = "6"
    & skf18("6","4","7","7","4","5","1") = "6"
    & skf18("6","4","7","7","4","6","1") = "6"
    & skf18("6","4","7","7","4","7","1") = "6"
    & skf18("6","4","7","7","4","8","1") = "7"
    & skf18("6","4","7","7","4","9","1") = "8"
    & skf18("6","4","7","7","4","10","1") = "9"
    & skf18("6","4","7","7","5","1","1") = "6"
    & skf18("6","4","7","7","5","2","1") = "6"
    & skf18("6","4","7","7","5","3","1") = "6"
    & skf18("6","4","7","7","5","4","1") = "6"
    & skf18("6","4","7","7","5","5","1") = "6"
    & skf18("6","4","7","7","5","6","1") = "6"
    & skf18("6","4","7","7","5","7","1") = "6"
    & skf18("6","4","7","7","5","8","1") = "7"
    & skf18("6","4","7","7","5","9","1") = "8"
    & skf18("6","4","7","7","5","10","1") = "9"
    & skf18("6","4","7","7","6","1","1") = "6"
    & skf18("6","4","7","7","6","2","1") = "6"
    & skf18("6","4","7","7","6","3","1") = "6"
    & skf18("6","4","7","7","6","4","1") = "6"
    & skf18("6","4","7","7","6","5","1") = "6"
    & skf18("6","4","7","7","6","6","1") = "6"
    & skf18("6","4","7","7","6","7","1") = "6"
    & skf18("6","4","7","7","6","8","1") = "7"
    & skf18("6","4","7","7","6","9","1") = "8"
    & skf18("6","4","7","7","6","10","1") = "9"
    & skf18("6","4","7","7","7","1","1") = "6"
    & skf18("6","4","7","7","7","2","1") = "6"
    & skf18("6","4","7","7","7","3","1") = "6"
    & skf18("6","4","7","7","7","4","1") = "6"
    & skf18("6","4","7","7","7","5","1") = "6"
    & skf18("6","4","7","7","7","6","1") = "6"
    & skf18("6","4","7","7","7","7","1") = "6"
    & skf18("6","4","7","7","7","8","1") = "7"
    & skf18("6","4","7","7","7","9","1") = "8"
    & skf18("6","4","7","7","7","10","1") = "9"
    & skf18("6","4","7","7","8","1","1") = "7"
    & skf18("6","4","7","7","8","2","1") = "7"
    & skf18("6","4","7","7","8","3","1") = "7"
    & skf18("6","4","7","7","8","4","1") = "7"
    & skf18("6","4","7","7","8","5","1") = "7"
    & skf18("6","4","7","7","8","6","1") = "7"
    & skf18("6","4","7","7","8","7","1") = "7"
    & skf18("6","4","7","7","8","8","1") = "7"
    & skf18("6","4","7","7","8","9","1") = "8"
    & skf18("6","4","7","7","8","10","1") = "9"
    & skf18("6","4","7","7","9","1","1") = "8"
    & skf18("6","4","7","7","9","2","1") = "8"
    & skf18("6","4","7","7","9","3","1") = "8"
    & skf18("6","4","7","7","9","4","1") = "8"
    & skf18("6","4","7","7","9","5","1") = "8"
    & skf18("6","4","7","7","9","6","1") = "8"
    & skf18("6","4","7","7","9","7","1") = "8"
    & skf18("6","4","7","7","9","8","1") = "8"
    & skf18("6","4","7","7","9","9","1") = "8"
    & skf18("6","4","7","7","9","10","1") = "9"
    & skf18("6","4","7","7","10","1","1") = "9"
    & skf18("6","4","7","7","10","2","1") = "9"
    & skf18("6","4","7","7","10","3","1") = "9"
    & skf18("6","4","7","7","10","4","1") = "9"
    & skf18("6","4","7","7","10","5","1") = "9"
    & skf18("6","4","7","7","10","6","1") = "9"
    & skf18("6","4","7","7","10","7","1") = "9"
    & skf18("6","4","7","7","10","8","1") = "9"
    & skf18("6","4","7","7","10","9","1") = "9"
    & skf18("6","4","7","7","10","10","1") = "9"
    & skf18("6","4","7","8","1","1","1") = "7"
    & skf18("6","4","7","8","1","2","1") = "7"
    & skf18("6","4","7","8","1","3","1") = "7"
    & skf18("6","4","7","8","1","4","1") = "7"
    & skf18("6","4","7","8","1","5","1") = "7"
    & skf18("6","4","7","8","1","6","1") = "7"
    & skf18("6","4","7","8","1","7","1") = "7"
    & skf18("6","4","7","8","1","8","1") = "7"
    & skf18("6","4","7","8","1","9","1") = "8"
    & skf18("6","4","7","8","1","10","1") = "9"
    & skf18("6","4","7","8","2","1","1") = "7"
    & skf18("6","4","7","8","2","2","1") = "7"
    & skf18("6","4","7","8","2","3","1") = "7"
    & skf18("6","4","7","8","2","4","1") = "7"
    & skf18("6","4","7","8","2","5","1") = "7"
    & skf18("6","4","7","8","2","6","1") = "7"
    & skf18("6","4","7","8","2","7","1") = "7"
    & skf18("6","4","7","8","2","8","1") = "7"
    & skf18("6","4","7","8","2","9","1") = "8"
    & skf18("6","4","7","8","2","10","1") = "9"
    & skf18("6","4","7","8","3","1","1") = "7"
    & skf18("6","4","7","8","3","2","1") = "7"
    & skf18("6","4","7","8","3","3","1") = "7"
    & skf18("6","4","7","8","3","4","1") = "7"
    & skf18("6","4","7","8","3","5","1") = "7"
    & skf18("6","4","7","8","3","6","1") = "7"
    & skf18("6","4","7","8","3","7","1") = "7"
    & skf18("6","4","7","8","3","8","1") = "7"
    & skf18("6","4","7","8","3","9","1") = "8"
    & skf18("6","4","7","8","3","10","1") = "9"
    & skf18("6","4","7","8","4","1","1") = "7"
    & skf18("6","4","7","8","4","2","1") = "7"
    & skf18("6","4","7","8","4","3","1") = "7"
    & skf18("6","4","7","8","4","4","1") = "7"
    & skf18("6","4","7","8","4","5","1") = "7"
    & skf18("6","4","7","8","4","6","1") = "7"
    & skf18("6","4","7","8","4","7","1") = "7"
    & skf18("6","4","7","8","4","8","1") = "7"
    & skf18("6","4","7","8","4","9","1") = "8"
    & skf18("6","4","7","8","4","10","1") = "9"
    & skf18("6","4","7","8","5","1","1") = "7"
    & skf18("6","4","7","8","5","2","1") = "7"
    & skf18("6","4","7","8","5","3","1") = "7"
    & skf18("6","4","7","8","5","4","1") = "7"
    & skf18("6","4","7","8","5","5","1") = "7"
    & skf18("6","4","7","8","5","6","1") = "7"
    & skf18("6","4","7","8","5","7","1") = "7"
    & skf18("6","4","7","8","5","8","1") = "7"
    & skf18("6","4","7","8","5","9","1") = "8"
    & skf18("6","4","7","8","5","10","1") = "9"
    & skf18("6","4","7","8","6","1","1") = "7"
    & skf18("6","4","7","8","6","2","1") = "7"
    & skf18("6","4","7","8","6","3","1") = "7"
    & skf18("6","4","7","8","6","4","1") = "7"
    & skf18("6","4","7","8","6","5","1") = "7"
    & skf18("6","4","7","8","6","6","1") = "7"
    & skf18("6","4","7","8","6","7","1") = "7"
    & skf18("6","4","7","8","6","8","1") = "7"
    & skf18("6","4","7","8","6","9","1") = "8"
    & skf18("6","4","7","8","6","10","1") = "9"
    & skf18("6","4","7","8","7","1","1") = "7"
    & skf18("6","4","7","8","7","2","1") = "7"
    & skf18("6","4","7","8","7","3","1") = "7"
    & skf18("6","4","7","8","7","4","1") = "7"
    & skf18("6","4","7","8","7","5","1") = "7"
    & skf18("6","4","7","8","7","6","1") = "7"
    & skf18("6","4","7","8","7","7","1") = "7"
    & skf18("6","4","7","8","7","8","1") = "7"
    & skf18("6","4","7","8","7","9","1") = "8"
    & skf18("6","4","7","8","7","10","1") = "9"
    & skf18("6","4","7","8","8","1","1") = "7"
    & skf18("6","4","7","8","8","2","1") = "7"
    & skf18("6","4","7","8","8","3","1") = "7"
    & skf18("6","4","7","8","8","4","1") = "7"
    & skf18("6","4","7","8","8","5","1") = "7"
    & skf18("6","4","7","8","8","6","1") = "7"
    & skf18("6","4","7","8","8","7","1") = "7"
    & skf18("6","4","7","8","8","8","1") = "7"
    & skf18("6","4","7","8","8","9","1") = "8"
    & skf18("6","4","7","8","8","10","1") = "9"
    & skf18("6","4","7","8","9","1","1") = "8"
    & skf18("6","4","7","8","9","2","1") = "8"
    & skf18("6","4","7","8","9","3","1") = "8"
    & skf18("6","4","7","8","9","4","1") = "8"
    & skf18("6","4","7","8","9","5","1") = "8"
    & skf18("6","4","7","8","9","6","1") = "8"
    & skf18("6","4","7","8","9","7","1") = "8"
    & skf18("6","4","7","8","9","8","1") = "8"
    & skf18("6","4","7","8","9","9","1") = "8"
    & skf18("6","4","7","8","9","10","1") = "9"
    & skf18("6","4","7","8","10","1","1") = "9"
    & skf18("6","4","7","8","10","2","1") = "9"
    & skf18("6","4","7","8","10","3","1") = "9"
    & skf18("6","4","7","8","10","4","1") = "9"
    & skf18("6","4","7","8","10","5","1") = "9"
    & skf18("6","4","7","8","10","6","1") = "9"
    & skf18("6","4","7","8","10","7","1") = "9"
    & skf18("6","4","7","8","10","8","1") = "9"
    & skf18("6","4","7","8","10","9","1") = "9"
    & skf18("6","4","7","8","10","10","1") = "9"
    & skf18("6","4","7","9","1","1","1") = "8"
    & skf18("6","4","7","9","1","2","1") = "8"
    & skf18("6","4","7","9","1","3","1") = "8"
    & skf18("6","4","7","9","1","4","1") = "8"
    & skf18("6","4","7","9","1","5","1") = "8"
    & skf18("6","4","7","9","1","6","1") = "8"
    & skf18("6","4","7","9","1","7","1") = "8"
    & skf18("6","4","7","9","1","8","1") = "8"
    & skf18("6","4","7","9","1","9","1") = "8"
    & skf18("6","4","7","9","1","10","1") = "9"
    & skf18("6","4","7","9","2","1","1") = "8"
    & skf18("6","4","7","9","2","2","1") = "8"
    & skf18("6","4","7","9","2","3","1") = "8"
    & skf18("6","4","7","9","2","4","1") = "8"
    & skf18("6","4","7","9","2","5","1") = "8"
    & skf18("6","4","7","9","2","6","1") = "8"
    & skf18("6","4","7","9","2","7","1") = "8"
    & skf18("6","4","7","9","2","8","1") = "8"
    & skf18("6","4","7","9","2","9","1") = "8"
    & skf18("6","4","7","9","2","10","1") = "9"
    & skf18("6","4","7","9","3","1","1") = "8"
    & skf18("6","4","7","9","3","2","1") = "8"
    & skf18("6","4","7","9","3","3","1") = "8"
    & skf18("6","4","7","9","3","4","1") = "8"
    & skf18("6","4","7","9","3","5","1") = "8"
    & skf18("6","4","7","9","3","6","1") = "8"
    & skf18("6","4","7","9","3","7","1") = "8"
    & skf18("6","4","7","9","3","8","1") = "8"
    & skf18("6","4","7","9","3","9","1") = "8"
    & skf18("6","4","7","9","3","10","1") = "9"
    & skf18("6","4","7","9","4","1","1") = "8"
    & skf18("6","4","7","9","4","2","1") = "8"
    & skf18("6","4","7","9","4","3","1") = "8"
    & skf18("6","4","7","9","4","4","1") = "8"
    & skf18("6","4","7","9","4","5","1") = "8"
    & skf18("6","4","7","9","4","6","1") = "8"
    & skf18("6","4","7","9","4","7","1") = "8"
    & skf18("6","4","7","9","4","8","1") = "8"
    & skf18("6","4","7","9","4","9","1") = "8"
    & skf18("6","4","7","9","4","10","1") = "9"
    & skf18("6","4","7","9","5","1","1") = "8"
    & skf18("6","4","7","9","5","2","1") = "8"
    & skf18("6","4","7","9","5","3","1") = "8"
    & skf18("6","4","7","9","5","4","1") = "8"
    & skf18("6","4","7","9","5","5","1") = "8"
    & skf18("6","4","7","9","5","6","1") = "8"
    & skf18("6","4","7","9","5","7","1") = "8"
    & skf18("6","4","7","9","5","8","1") = "8"
    & skf18("6","4","7","9","5","9","1") = "8"
    & skf18("6","4","7","9","5","10","1") = "9"
    & skf18("6","4","7","9","6","1","1") = "8"
    & skf18("6","4","7","9","6","2","1") = "8"
    & skf18("6","4","7","9","6","3","1") = "8"
    & skf18("6","4","7","9","6","4","1") = "8"
    & skf18("6","4","7","9","6","5","1") = "8"
    & skf18("6","4","7","9","6","6","1") = "8"
    & skf18("6","4","7","9","6","7","1") = "8"
    & skf18("6","4","7","9","6","8","1") = "8"
    & skf18("6","4","7","9","6","9","1") = "8"
    & skf18("6","4","7","9","6","10","1") = "9"
    & skf18("6","4","7","9","7","1","1") = "8"
    & skf18("6","4","7","9","7","2","1") = "8"
    & skf18("6","4","7","9","7","3","1") = "8"
    & skf18("6","4","7","9","7","4","1") = "8"
    & skf18("6","4","7","9","7","5","1") = "8"
    & skf18("6","4","7","9","7","6","1") = "8"
    & skf18("6","4","7","9","7","7","1") = "8"
    & skf18("6","4","7","9","7","8","1") = "8"
    & skf18("6","4","7","9","7","9","1") = "8"
    & skf18("6","4","7","9","7","10","1") = "9"
    & skf18("6","4","7","9","8","1","1") = "8"
    & skf18("6","4","7","9","8","2","1") = "8"
    & skf18("6","4","7","9","8","3","1") = "8"
    & skf18("6","4","7","9","8","4","1") = "8"
    & skf18("6","4","7","9","8","5","1") = "8"
    & skf18("6","4","7","9","8","6","1") = "8"
    & skf18("6","4","7","9","8","7","1") = "8"
    & skf18("6","4","7","9","8","8","1") = "8"
    & skf18("6","4","7","9","8","9","1") = "8"
    & skf18("6","4","7","9","8","10","1") = "9"
    & skf18("6","4","7","9","9","1","1") = "8"
    & skf18("6","4","7","9","9","2","1") = "8"
    & skf18("6","4","7","9","9","3","1") = "8"
    & skf18("6","4","7","9","9","4","1") = "8"
    & skf18("6","4","7","9","9","5","1") = "8"
    & skf18("6","4","7","9","9","6","1") = "8"
    & skf18("6","4","7","9","9","7","1") = "8"
    & skf18("6","4","7","9","9","8","1") = "8"
    & skf18("6","4","7","9","9","9","1") = "8"
    & skf18("6","4","7","9","9","10","1") = "9"
    & skf18("6","4","7","9","10","1","1") = "9"
    & skf18("6","4","7","9","10","2","1") = "9"
    & skf18("6","4","7","9","10","3","1") = "9"
    & skf18("6","4","7","9","10","4","1") = "9"
    & skf18("6","4","7","9","10","5","1") = "9"
    & skf18("6","4","7","9","10","6","1") = "9"
    & skf18("6","4","7","9","10","7","1") = "9"
    & skf18("6","4","7","9","10","8","1") = "9"
    & skf18("6","4","7","9","10","9","1") = "9"
    & skf18("6","4","7","9","10","10","1") = "9"
    & skf18("6","4","7","10","1","1","1") = "9"
    & skf18("6","4","7","10","1","2","1") = "9"
    & skf18("6","4","7","10","1","3","1") = "9"
    & skf18("6","4","7","10","1","4","1") = "9"
    & skf18("6","4","7","10","1","5","1") = "9"
    & skf18("6","4","7","10","1","6","1") = "9"
    & skf18("6","4","7","10","1","7","1") = "9"
    & skf18("6","4","7","10","1","8","1") = "9"
    & skf18("6","4","7","10","1","9","1") = "9"
    & skf18("6","4","7","10","1","10","1") = "9"
    & skf18("6","4","7","10","2","1","1") = "9"
    & skf18("6","4","7","10","2","2","1") = "9"
    & skf18("6","4","7","10","2","3","1") = "9"
    & skf18("6","4","7","10","2","4","1") = "9"
    & skf18("6","4","7","10","2","5","1") = "9"
    & skf18("6","4","7","10","2","6","1") = "9"
    & skf18("6","4","7","10","2","7","1") = "9"
    & skf18("6","4","7","10","2","8","1") = "9"
    & skf18("6","4","7","10","2","9","1") = "9"
    & skf18("6","4","7","10","2","10","1") = "9"
    & skf18("6","4","7","10","3","1","1") = "9"
    & skf18("6","4","7","10","3","2","1") = "9"
    & skf18("6","4","7","10","3","3","1") = "9"
    & skf18("6","4","7","10","3","4","1") = "9"
    & skf18("6","4","7","10","3","5","1") = "9"
    & skf18("6","4","7","10","3","6","1") = "9"
    & skf18("6","4","7","10","3","7","1") = "9"
    & skf18("6","4","7","10","3","8","1") = "9"
    & skf18("6","4","7","10","3","9","1") = "9"
    & skf18("6","4","7","10","3","10","1") = "9"
    & skf18("6","4","7","10","4","1","1") = "9"
    & skf18("6","4","7","10","4","2","1") = "9"
    & skf18("6","4","7","10","4","3","1") = "9"
    & skf18("6","4","7","10","4","4","1") = "9"
    & skf18("6","4","7","10","4","5","1") = "9"
    & skf18("6","4","7","10","4","6","1") = "9"
    & skf18("6","4","7","10","4","7","1") = "9"
    & skf18("6","4","7","10","4","8","1") = "9"
    & skf18("6","4","7","10","4","9","1") = "9"
    & skf18("6","4","7","10","4","10","1") = "9"
    & skf18("6","4","7","10","5","1","1") = "9"
    & skf18("6","4","7","10","5","2","1") = "9"
    & skf18("6","4","7","10","5","3","1") = "9"
    & skf18("6","4","7","10","5","4","1") = "9"
    & skf18("6","4","7","10","5","5","1") = "9"
    & skf18("6","4","7","10","5","6","1") = "9"
    & skf18("6","4","7","10","5","7","1") = "9"
    & skf18("6","4","7","10","5","8","1") = "9"
    & skf18("6","4","7","10","5","9","1") = "9"
    & skf18("6","4","7","10","5","10","1") = "9"
    & skf18("6","4","7","10","6","1","1") = "9"
    & skf18("6","4","7","10","6","2","1") = "9"
    & skf18("6","4","7","10","6","3","1") = "9"
    & skf18("6","4","7","10","6","4","1") = "9"
    & skf18("6","4","7","10","6","5","1") = "9"
    & skf18("6","4","7","10","6","6","1") = "9"
    & skf18("6","4","7","10","6","7","1") = "9"
    & skf18("6","4","7","10","6","8","1") = "9"
    & skf18("6","4","7","10","6","9","1") = "9"
    & skf18("6","4","7","10","6","10","1") = "9"
    & skf18("6","4","7","10","7","1","1") = "9"
    & skf18("6","4","7","10","7","2","1") = "9"
    & skf18("6","4","7","10","7","3","1") = "9"
    & skf18("6","4","7","10","7","4","1") = "9"
    & skf18("6","4","7","10","7","5","1") = "9"
    & skf18("6","4","7","10","7","6","1") = "9"
    & skf18("6","4","7","10","7","7","1") = "9"
    & skf18("6","4","7","10","7","8","1") = "9"
    & skf18("6","4","7","10","7","9","1") = "9"
    & skf18("6","4","7","10","7","10","1") = "9"
    & skf18("6","4","7","10","8","1","1") = "9"
    & skf18("6","4","7","10","8","2","1") = "9"
    & skf18("6","4","7","10","8","3","1") = "9"
    & skf18("6","4","7","10","8","4","1") = "9"
    & skf18("6","4","7","10","8","5","1") = "9"
    & skf18("6","4","7","10","8","6","1") = "9"
    & skf18("6","4","7","10","8","7","1") = "9"
    & skf18("6","4","7","10","8","8","1") = "9"
    & skf18("6","4","7","10","8","9","1") = "9"
    & skf18("6","4","7","10","8","10","1") = "9"
    & skf18("6","4","7","10","9","1","1") = "9"
    & skf18("6","4","7","10","9","2","1") = "9"
    & skf18("6","4","7","10","9","3","1") = "9"
    & skf18("6","4","7","10","9","4","1") = "9"
    & skf18("6","4","7","10","9","5","1") = "9"
    & skf18("6","4","7","10","9","6","1") = "9"
    & skf18("6","4","7","10","9","7","1") = "9"
    & skf18("6","4","7","10","9","8","1") = "9"
    & skf18("6","4","7","10","9","9","1") = "9"
    & skf18("6","4","7","10","9","10","1") = "9"
    & skf18("6","4","7","10","10","1","1") = "9"
    & skf18("6","4","7","10","10","2","1") = "9"
    & skf18("6","4","7","10","10","3","1") = "9"
    & skf18("6","4","7","10","10","4","1") = "9"
    & skf18("6","4","7","10","10","5","1") = "9"
    & skf18("6","4","7","10","10","6","1") = "9"
    & skf18("6","4","7","10","10","7","1") = "9"
    & skf18("6","4","7","10","10","8","1") = "9"
    & skf18("6","4","7","10","10","9","1") = "9"
    & skf18("6","4","7","10","10","10","1") = "9"
    & skf18("6","4","8","1","1","1","1") = "7"
    & skf18("6","4","8","1","1","2","1") = "7"
    & skf18("6","4","8","1","1","3","1") = "7"
    & skf18("6","4","8","1","1","4","1") = "7"
    & skf18("6","4","8","1","1","5","1") = "7"
    & skf18("6","4","8","1","1","6","1") = "7"
    & skf18("6","4","8","1","1","7","1") = "7"
    & skf18("6","4","8","1","1","8","1") = "7"
    & skf18("6","4","8","1","1","9","1") = "8"
    & skf18("6","4","8","1","1","10","1") = "9"
    & skf18("6","4","8","1","2","1","1") = "7"
    & skf18("6","4","8","1","2","2","1") = "7"
    & skf18("6","4","8","1","2","3","1") = "7"
    & skf18("6","4","8","1","2","4","1") = "7"
    & skf18("6","4","8","1","2","5","1") = "7"
    & skf18("6","4","8","1","2","6","1") = "7"
    & skf18("6","4","8","1","2","7","1") = "7"
    & skf18("6","4","8","1","2","8","1") = "7"
    & skf18("6","4","8","1","2","9","1") = "8"
    & skf18("6","4","8","1","2","10","1") = "9"
    & skf18("6","4","8","1","3","1","1") = "7"
    & skf18("6","4","8","1","3","2","1") = "7"
    & skf18("6","4","8","1","3","3","1") = "7"
    & skf18("6","4","8","1","3","4","1") = "7"
    & skf18("6","4","8","1","3","5","1") = "7"
    & skf18("6","4","8","1","3","6","1") = "7"
    & skf18("6","4","8","1","3","7","1") = "7"
    & skf18("6","4","8","1","3","8","1") = "7"
    & skf18("6","4","8","1","3","9","1") = "8"
    & skf18("6","4","8","1","3","10","1") = "9"
    & skf18("6","4","8","1","4","1","1") = "7"
    & skf18("6","4","8","1","4","2","1") = "7"
    & skf18("6","4","8","1","4","3","1") = "7"
    & skf18("6","4","8","1","4","4","1") = "7"
    & skf18("6","4","8","1","4","5","1") = "7"
    & skf18("6","4","8","1","4","6","1") = "7"
    & skf18("6","4","8","1","4","7","1") = "7"
    & skf18("6","4","8","1","4","8","1") = "7"
    & skf18("6","4","8","1","4","9","1") = "8"
    & skf18("6","4","8","1","4","10","1") = "9"
    & skf18("6","4","8","1","5","1","1") = "7"
    & skf18("6","4","8","1","5","2","1") = "7"
    & skf18("6","4","8","1","5","3","1") = "7"
    & skf18("6","4","8","1","5","4","1") = "7"
    & skf18("6","4","8","1","5","5","1") = "7"
    & skf18("6","4","8","1","5","6","1") = "7"
    & skf18("6","4","8","1","5","7","1") = "7"
    & skf18("6","4","8","1","5","8","1") = "7"
    & skf18("6","4","8","1","5","9","1") = "8"
    & skf18("6","4","8","1","5","10","1") = "9"
    & skf18("6","4","8","1","6","1","1") = "7"
    & skf18("6","4","8","1","6","2","1") = "7"
    & skf18("6","4","8","1","6","3","1") = "7"
    & skf18("6","4","8","1","6","4","1") = "7"
    & skf18("6","4","8","1","6","5","1") = "7"
    & skf18("6","4","8","1","6","6","1") = "7"
    & skf18("6","4","8","1","6","7","1") = "7"
    & skf18("6","4","8","1","6","8","1") = "7"
    & skf18("6","4","8","1","6","9","1") = "8"
    & skf18("6","4","8","1","6","10","1") = "9"
    & skf18("6","4","8","1","7","1","1") = "7"
    & skf18("6","4","8","1","7","2","1") = "7"
    & skf18("6","4","8","1","7","3","1") = "7"
    & skf18("6","4","8","1","7","4","1") = "7"
    & skf18("6","4","8","1","7","5","1") = "7"
    & skf18("6","4","8","1","7","6","1") = "7"
    & skf18("6","4","8","1","7","7","1") = "7"
    & skf18("6","4","8","1","7","8","1") = "7"
    & skf18("6","4","8","1","7","9","1") = "8"
    & skf18("6","4","8","1","7","10","1") = "9"
    & skf18("6","4","8","1","8","1","1") = "7"
    & skf18("6","4","8","1","8","2","1") = "7"
    & skf18("6","4","8","1","8","3","1") = "7"
    & skf18("6","4","8","1","8","4","1") = "7"
    & skf18("6","4","8","1","8","5","1") = "7"
    & skf18("6","4","8","1","8","6","1") = "7"
    & skf18("6","4","8","1","8","7","1") = "7"
    & skf18("6","4","8","1","8","8","1") = "7"
    & skf18("6","4","8","1","8","9","1") = "8"
    & skf18("6","4","8","1","8","10","1") = "9"
    & skf18("6","4","8","1","9","1","1") = "8"
    & skf18("6","4","8","1","9","2","1") = "8"
    & skf18("6","4","8","1","9","3","1") = "8"
    & skf18("6","4","8","1","9","4","1") = "8"
    & skf18("6","4","8","1","9","5","1") = "8"
    & skf18("6","4","8","1","9","6","1") = "8"
    & skf18("6","4","8","1","9","7","1") = "8"
    & skf18("6","4","8","1","9","8","1") = "8"
    & skf18("6","4","8","1","9","9","1") = "8"
    & skf18("6","4","8","1","9","10","1") = "9"
    & skf18("6","4","8","1","10","1","1") = "9"
    & skf18("6","4","8","1","10","2","1") = "9"
    & skf18("6","4","8","1","10","3","1") = "9"
    & skf18("6","4","8","1","10","4","1") = "9"
    & skf18("6","4","8","1","10","5","1") = "9"
    & skf18("6","4","8","1","10","6","1") = "9"
    & skf18("6","4","8","1","10","7","1") = "9"
    & skf18("6","4","8","1","10","8","1") = "9"
    & skf18("6","4","8","1","10","9","1") = "9"
    & skf18("6","4","8","1","10","10","1") = "9"
    & skf18("6","4","8","2","1","1","1") = "7"
    & skf18("6","4","8","2","1","2","1") = "7"
    & skf18("6","4","8","2","1","3","1") = "7"
    & skf18("6","4","8","2","1","4","1") = "7"
    & skf18("6","4","8","2","1","5","1") = "7"
    & skf18("6","4","8","2","1","6","1") = "7"
    & skf18("6","4","8","2","1","7","1") = "7"
    & skf18("6","4","8","2","1","8","1") = "7"
    & skf18("6","4","8","2","1","9","1") = "8"
    & skf18("6","4","8","2","1","10","1") = "9"
    & skf18("6","4","8","2","2","1","1") = "7"
    & skf18("6","4","8","2","2","2","1") = "7"
    & skf18("6","4","8","2","2","3","1") = "7"
    & skf18("6","4","8","2","2","4","1") = "7"
    & skf18("6","4","8","2","2","5","1") = "7"
    & skf18("6","4","8","2","2","6","1") = "7"
    & skf18("6","4","8","2","2","7","1") = "7"
    & skf18("6","4","8","2","2","8","1") = "7"
    & skf18("6","4","8","2","2","9","1") = "8"
    & skf18("6","4","8","2","2","10","1") = "9"
    & skf18("6","4","8","2","3","1","1") = "7"
    & skf18("6","4","8","2","3","2","1") = "7"
    & skf18("6","4","8","2","3","3","1") = "7"
    & skf18("6","4","8","2","3","4","1") = "7"
    & skf18("6","4","8","2","3","5","1") = "7"
    & skf18("6","4","8","2","3","6","1") = "7"
    & skf18("6","4","8","2","3","7","1") = "7"
    & skf18("6","4","8","2","3","8","1") = "7"
    & skf18("6","4","8","2","3","9","1") = "8"
    & skf18("6","4","8","2","3","10","1") = "9"
    & skf18("6","4","8","2","4","1","1") = "7"
    & skf18("6","4","8","2","4","2","1") = "7"
    & skf18("6","4","8","2","4","3","1") = "7"
    & skf18("6","4","8","2","4","4","1") = "7"
    & skf18("6","4","8","2","4","5","1") = "7"
    & skf18("6","4","8","2","4","6","1") = "7"
    & skf18("6","4","8","2","4","7","1") = "7"
    & skf18("6","4","8","2","4","8","1") = "7"
    & skf18("6","4","8","2","4","9","1") = "8"
    & skf18("6","4","8","2","4","10","1") = "9"
    & skf18("6","4","8","2","5","1","1") = "7"
    & skf18("6","4","8","2","5","2","1") = "7"
    & skf18("6","4","8","2","5","3","1") = "7"
    & skf18("6","4","8","2","5","4","1") = "7"
    & skf18("6","4","8","2","5","5","1") = "7"
    & skf18("6","4","8","2","5","6","1") = "7"
    & skf18("6","4","8","2","5","7","1") = "7"
    & skf18("6","4","8","2","5","8","1") = "7"
    & skf18("6","4","8","2","5","9","1") = "8"
    & skf18("6","4","8","2","5","10","1") = "9"
    & skf18("6","4","8","2","6","1","1") = "7"
    & skf18("6","4","8","2","6","2","1") = "7"
    & skf18("6","4","8","2","6","3","1") = "7"
    & skf18("6","4","8","2","6","4","1") = "7"
    & skf18("6","4","8","2","6","5","1") = "7"
    & skf18("6","4","8","2","6","6","1") = "7"
    & skf18("6","4","8","2","6","7","1") = "7"
    & skf18("6","4","8","2","6","8","1") = "7"
    & skf18("6","4","8","2","6","9","1") = "8"
    & skf18("6","4","8","2","6","10","1") = "9"
    & skf18("6","4","8","2","7","1","1") = "7"
    & skf18("6","4","8","2","7","2","1") = "7"
    & skf18("6","4","8","2","7","3","1") = "7"
    & skf18("6","4","8","2","7","4","1") = "7"
    & skf18("6","4","8","2","7","5","1") = "7"
    & skf18("6","4","8","2","7","6","1") = "7"
    & skf18("6","4","8","2","7","7","1") = "7"
    & skf18("6","4","8","2","7","8","1") = "7"
    & skf18("6","4","8","2","7","9","1") = "8"
    & skf18("6","4","8","2","7","10","1") = "9"
    & skf18("6","4","8","2","8","1","1") = "7"
    & skf18("6","4","8","2","8","2","1") = "7"
    & skf18("6","4","8","2","8","3","1") = "7"
    & skf18("6","4","8","2","8","4","1") = "7"
    & skf18("6","4","8","2","8","5","1") = "7"
    & skf18("6","4","8","2","8","6","1") = "7"
    & skf18("6","4","8","2","8","7","1") = "7"
    & skf18("6","4","8","2","8","8","1") = "7"
    & skf18("6","4","8","2","8","9","1") = "8"
    & skf18("6","4","8","2","8","10","1") = "9"
    & skf18("6","4","8","2","9","1","1") = "8"
    & skf18("6","4","8","2","9","2","1") = "8"
    & skf18("6","4","8","2","9","3","1") = "8"
    & skf18("6","4","8","2","9","4","1") = "8"
    & skf18("6","4","8","2","9","5","1") = "8"
    & skf18("6","4","8","2","9","6","1") = "8"
    & skf18("6","4","8","2","9","7","1") = "8"
    & skf18("6","4","8","2","9","8","1") = "8"
    & skf18("6","4","8","2","9","9","1") = "8"
    & skf18("6","4","8","2","9","10","1") = "9"
    & skf18("6","4","8","2","10","1","1") = "9"
    & skf18("6","4","8","2","10","2","1") = "9"
    & skf18("6","4","8","2","10","3","1") = "9"
    & skf18("6","4","8","2","10","4","1") = "9"
    & skf18("6","4","8","2","10","5","1") = "9"
    & skf18("6","4","8","2","10","6","1") = "9"
    & skf18("6","4","8","2","10","7","1") = "9"
    & skf18("6","4","8","2","10","8","1") = "9"
    & skf18("6","4","8","2","10","9","1") = "9"
    & skf18("6","4","8","2","10","10","1") = "9"
    & skf18("6","4","8","3","1","1","1") = "7"
    & skf18("6","4","8","3","1","2","1") = "7"
    & skf18("6","4","8","3","1","3","1") = "7"
    & skf18("6","4","8","3","1","4","1") = "7"
    & skf18("6","4","8","3","1","5","1") = "7"
    & skf18("6","4","8","3","1","6","1") = "7"
    & skf18("6","4","8","3","1","7","1") = "7"
    & skf18("6","4","8","3","1","8","1") = "7"
    & skf18("6","4","8","3","1","9","1") = "8"
    & skf18("6","4","8","3","1","10","1") = "9"
    & skf18("6","4","8","3","2","1","1") = "7"
    & skf18("6","4","8","3","2","2","1") = "7"
    & skf18("6","4","8","3","2","3","1") = "7"
    & skf18("6","4","8","3","2","4","1") = "7"
    & skf18("6","4","8","3","2","5","1") = "7"
    & skf18("6","4","8","3","2","6","1") = "7"
    & skf18("6","4","8","3","2","7","1") = "7"
    & skf18("6","4","8","3","2","8","1") = "7"
    & skf18("6","4","8","3","2","9","1") = "8"
    & skf18("6","4","8","3","2","10","1") = "9"
    & skf18("6","4","8","3","3","1","1") = "7"
    & skf18("6","4","8","3","3","2","1") = "7"
    & skf18("6","4","8","3","3","3","1") = "7"
    & skf18("6","4","8","3","3","4","1") = "7"
    & skf18("6","4","8","3","3","5","1") = "7"
    & skf18("6","4","8","3","3","6","1") = "7"
    & skf18("6","4","8","3","3","7","1") = "7"
    & skf18("6","4","8","3","3","8","1") = "7"
    & skf18("6","4","8","3","3","9","1") = "8"
    & skf18("6","4","8","3","3","10","1") = "9"
    & skf18("6","4","8","3","4","1","1") = "7"
    & skf18("6","4","8","3","4","2","1") = "7"
    & skf18("6","4","8","3","4","3","1") = "7"
    & skf18("6","4","8","3","4","4","1") = "7"
    & skf18("6","4","8","3","4","5","1") = "7"
    & skf18("6","4","8","3","4","6","1") = "7"
    & skf18("6","4","8","3","4","7","1") = "7"
    & skf18("6","4","8","3","4","8","1") = "7"
    & skf18("6","4","8","3","4","9","1") = "8"
    & skf18("6","4","8","3","4","10","1") = "9"
    & skf18("6","4","8","3","5","1","1") = "7"
    & skf18("6","4","8","3","5","2","1") = "7"
    & skf18("6","4","8","3","5","3","1") = "7"
    & skf18("6","4","8","3","5","4","1") = "7"
    & skf18("6","4","8","3","5","5","1") = "7"
    & skf18("6","4","8","3","5","6","1") = "7"
    & skf18("6","4","8","3","5","7","1") = "7"
    & skf18("6","4","8","3","5","8","1") = "7"
    & skf18("6","4","8","3","5","9","1") = "8"
    & skf18("6","4","8","3","5","10","1") = "9"
    & skf18("6","4","8","3","6","1","1") = "7"
    & skf18("6","4","8","3","6","2","1") = "7"
    & skf18("6","4","8","3","6","3","1") = "7"
    & skf18("6","4","8","3","6","4","1") = "7"
    & skf18("6","4","8","3","6","5","1") = "7"
    & skf18("6","4","8","3","6","6","1") = "7"
    & skf18("6","4","8","3","6","7","1") = "7"
    & skf18("6","4","8","3","6","8","1") = "7"
    & skf18("6","4","8","3","6","9","1") = "8"
    & skf18("6","4","8","3","6","10","1") = "9"
    & skf18("6","4","8","3","7","1","1") = "7"
    & skf18("6","4","8","3","7","2","1") = "7"
    & skf18("6","4","8","3","7","3","1") = "7"
    & skf18("6","4","8","3","7","4","1") = "7"
    & skf18("6","4","8","3","7","5","1") = "7"
    & skf18("6","4","8","3","7","6","1") = "7"
    & skf18("6","4","8","3","7","7","1") = "7"
    & skf18("6","4","8","3","7","8","1") = "7"
    & skf18("6","4","8","3","7","9","1") = "8"
    & skf18("6","4","8","3","7","10","1") = "9"
    & skf18("6","4","8","3","8","1","1") = "7"
    & skf18("6","4","8","3","8","2","1") = "7"
    & skf18("6","4","8","3","8","3","1") = "7"
    & skf18("6","4","8","3","8","4","1") = "7"
    & skf18("6","4","8","3","8","5","1") = "7"
    & skf18("6","4","8","3","8","6","1") = "7"
    & skf18("6","4","8","3","8","7","1") = "7"
    & skf18("6","4","8","3","8","8","1") = "7"
    & skf18("6","4","8","3","8","9","1") = "8"
    & skf18("6","4","8","3","8","10","1") = "9"
    & skf18("6","4","8","3","9","1","1") = "8"
    & skf18("6","4","8","3","9","2","1") = "8"
    & skf18("6","4","8","3","9","3","1") = "8"
    & skf18("6","4","8","3","9","4","1") = "8"
    & skf18("6","4","8","3","9","5","1") = "8"
    & skf18("6","4","8","3","9","6","1") = "8"
    & skf18("6","4","8","3","9","7","1") = "8"
    & skf18("6","4","8","3","9","8","1") = "8"
    & skf18("6","4","8","3","9","9","1") = "8"
    & skf18("6","4","8","3","9","10","1") = "9"
    & skf18("6","4","8","3","10","1","1") = "9"
    & skf18("6","4","8","3","10","2","1") = "9"
    & skf18("6","4","8","3","10","3","1") = "9"
    & skf18("6","4","8","3","10","4","1") = "9"
    & skf18("6","4","8","3","10","5","1") = "9"
    & skf18("6","4","8","3","10","6","1") = "9"
    & skf18("6","4","8","3","10","7","1") = "9"
    & skf18("6","4","8","3","10","8","1") = "9"
    & skf18("6","4","8","3","10","9","1") = "9"
    & skf18("6","4","8","3","10","10","1") = "9"
    & skf18("6","4","8","4","1","1","1") = "7"
    & skf18("6","4","8","4","1","2","1") = "7"
    & skf18("6","4","8","4","1","3","1") = "7"
    & skf18("6","4","8","4","1","4","1") = "7"
    & skf18("6","4","8","4","1","5","1") = "7"
    & skf18("6","4","8","4","1","6","1") = "7"
    & skf18("6","4","8","4","1","7","1") = "7"
    & skf18("6","4","8","4","1","8","1") = "7"
    & skf18("6","4","8","4","1","9","1") = "8"
    & skf18("6","4","8","4","1","10","1") = "9"
    & skf18("6","4","8","4","2","1","1") = "7"
    & skf18("6","4","8","4","2","2","1") = "7"
    & skf18("6","4","8","4","2","3","1") = "7"
    & skf18("6","4","8","4","2","4","1") = "7"
    & skf18("6","4","8","4","2","5","1") = "7"
    & skf18("6","4","8","4","2","6","1") = "7"
    & skf18("6","4","8","4","2","7","1") = "7"
    & skf18("6","4","8","4","2","8","1") = "7"
    & skf18("6","4","8","4","2","9","1") = "8"
    & skf18("6","4","8","4","2","10","1") = "9"
    & skf18("6","4","8","4","3","1","1") = "7"
    & skf18("6","4","8","4","3","2","1") = "7"
    & skf18("6","4","8","4","3","3","1") = "7"
    & skf18("6","4","8","4","3","4","1") = "7"
    & skf18("6","4","8","4","3","5","1") = "7"
    & skf18("6","4","8","4","3","6","1") = "7"
    & skf18("6","4","8","4","3","7","1") = "7"
    & skf18("6","4","8","4","3","8","1") = "7"
    & skf18("6","4","8","4","3","9","1") = "8"
    & skf18("6","4","8","4","3","10","1") = "9"
    & skf18("6","4","8","4","4","1","1") = "7"
    & skf18("6","4","8","4","4","2","1") = "7"
    & skf18("6","4","8","4","4","3","1") = "7"
    & skf18("6","4","8","4","4","4","1") = "7"
    & skf18("6","4","8","4","4","5","1") = "7"
    & skf18("6","4","8","4","4","6","1") = "7"
    & skf18("6","4","8","4","4","7","1") = "7"
    & skf18("6","4","8","4","4","8","1") = "7"
    & skf18("6","4","8","4","4","9","1") = "8"
    & skf18("6","4","8","4","4","10","1") = "9"
    & skf18("6","4","8","4","5","1","1") = "7"
    & skf18("6","4","8","4","5","2","1") = "7"
    & skf18("6","4","8","4","5","3","1") = "7"
    & skf18("6","4","8","4","5","4","1") = "7"
    & skf18("6","4","8","4","5","5","1") = "7"
    & skf18("6","4","8","4","5","6","1") = "7"
    & skf18("6","4","8","4","5","7","1") = "7"
    & skf18("6","4","8","4","5","8","1") = "7"
    & skf18("6","4","8","4","5","9","1") = "8"
    & skf18("6","4","8","4","5","10","1") = "9"
    & skf18("6","4","8","4","6","1","1") = "7"
    & skf18("6","4","8","4","6","2","1") = "7"
    & skf18("6","4","8","4","6","3","1") = "7"
    & skf18("6","4","8","4","6","4","1") = "7"
    & skf18("6","4","8","4","6","5","1") = "7"
    & skf18("6","4","8","4","6","6","1") = "7"
    & skf18("6","4","8","4","6","7","1") = "7"
    & skf18("6","4","8","4","6","8","1") = "7"
    & skf18("6","4","8","4","6","9","1") = "8"
    & skf18("6","4","8","4","6","10","1") = "9"
    & skf18("6","4","8","4","7","1","1") = "7"
    & skf18("6","4","8","4","7","2","1") = "7"
    & skf18("6","4","8","4","7","3","1") = "7"
    & skf18("6","4","8","4","7","4","1") = "7"
    & skf18("6","4","8","4","7","5","1") = "7"
    & skf18("6","4","8","4","7","6","1") = "7"
    & skf18("6","4","8","4","7","7","1") = "7"
    & skf18("6","4","8","4","7","8","1") = "7"
    & skf18("6","4","8","4","7","9","1") = "8"
    & skf18("6","4","8","4","7","10","1") = "9"
    & skf18("6","4","8","4","8","1","1") = "7"
    & skf18("6","4","8","4","8","2","1") = "7"
    & skf18("6","4","8","4","8","3","1") = "7"
    & skf18("6","4","8","4","8","4","1") = "7"
    & skf18("6","4","8","4","8","5","1") = "7"
    & skf18("6","4","8","4","8","6","1") = "7"
    & skf18("6","4","8","4","8","7","1") = "7"
    & skf18("6","4","8","4","8","8","1") = "7"
    & skf18("6","4","8","4","8","9","1") = "8"
    & skf18("6","4","8","4","8","10","1") = "9"
    & skf18("6","4","8","4","9","1","1") = "8"
    & skf18("6","4","8","4","9","2","1") = "8"
    & skf18("6","4","8","4","9","3","1") = "8"
    & skf18("6","4","8","4","9","4","1") = "8"
    & skf18("6","4","8","4","9","5","1") = "8"
    & skf18("6","4","8","4","9","6","1") = "8"
    & skf18("6","4","8","4","9","7","1") = "8"
    & skf18("6","4","8","4","9","8","1") = "8"
    & skf18("6","4","8","4","9","9","1") = "8"
    & skf18("6","4","8","4","9","10","1") = "9"
    & skf18("6","4","8","4","10","1","1") = "9"
    & skf18("6","4","8","4","10","2","1") = "9"
    & skf18("6","4","8","4","10","3","1") = "9"
    & skf18("6","4","8","4","10","4","1") = "9"
    & skf18("6","4","8","4","10","5","1") = "9"
    & skf18("6","4","8","4","10","6","1") = "9"
    & skf18("6","4","8","4","10","7","1") = "9"
    & skf18("6","4","8","4","10","8","1") = "9"
    & skf18("6","4","8","4","10","9","1") = "9"
    & skf18("6","4","8","4","10","10","1") = "9"
    & skf18("6","4","8","5","1","1","1") = "7"
    & skf18("6","4","8","5","1","2","1") = "7"
    & skf18("6","4","8","5","1","3","1") = "7"
    & skf18("6","4","8","5","1","4","1") = "7"
    & skf18("6","4","8","5","1","5","1") = "7"
    & skf18("6","4","8","5","1","6","1") = "7"
    & skf18("6","4","8","5","1","7","1") = "7"
    & skf18("6","4","8","5","1","8","1") = "7"
    & skf18("6","4","8","5","1","9","1") = "8"
    & skf18("6","4","8","5","1","10","1") = "9"
    & skf18("6","4","8","5","2","1","1") = "7"
    & skf18("6","4","8","5","2","2","1") = "7"
    & skf18("6","4","8","5","2","3","1") = "7"
    & skf18("6","4","8","5","2","4","1") = "7"
    & skf18("6","4","8","5","2","5","1") = "7"
    & skf18("6","4","8","5","2","6","1") = "7"
    & skf18("6","4","8","5","2","7","1") = "7"
    & skf18("6","4","8","5","2","8","1") = "7"
    & skf18("6","4","8","5","2","9","1") = "8"
    & skf18("6","4","8","5","2","10","1") = "9"
    & skf18("6","4","8","5","3","1","1") = "7"
    & skf18("6","4","8","5","3","2","1") = "7"
    & skf18("6","4","8","5","3","3","1") = "7"
    & skf18("6","4","8","5","3","4","1") = "7"
    & skf18("6","4","8","5","3","5","1") = "7"
    & skf18("6","4","8","5","3","6","1") = "7"
    & skf18("6","4","8","5","3","7","1") = "7"
    & skf18("6","4","8","5","3","8","1") = "7"
    & skf18("6","4","8","5","3","9","1") = "8"
    & skf18("6","4","8","5","3","10","1") = "9"
    & skf18("6","4","8","5","4","1","1") = "7"
    & skf18("6","4","8","5","4","2","1") = "7"
    & skf18("6","4","8","5","4","3","1") = "7"
    & skf18("6","4","8","5","4","4","1") = "7"
    & skf18("6","4","8","5","4","5","1") = "7"
    & skf18("6","4","8","5","4","6","1") = "7"
    & skf18("6","4","8","5","4","7","1") = "7"
    & skf18("6","4","8","5","4","8","1") = "7"
    & skf18("6","4","8","5","4","9","1") = "8"
    & skf18("6","4","8","5","4","10","1") = "9"
    & skf18("6","4","8","5","5","1","1") = "7"
    & skf18("6","4","8","5","5","2","1") = "7"
    & skf18("6","4","8","5","5","3","1") = "7"
    & skf18("6","4","8","5","5","4","1") = "7"
    & skf18("6","4","8","5","5","5","1") = "7"
    & skf18("6","4","8","5","5","6","1") = "7"
    & skf18("6","4","8","5","5","7","1") = "7"
    & skf18("6","4","8","5","5","8","1") = "7"
    & skf18("6","4","8","5","5","9","1") = "8"
    & skf18("6","4","8","5","5","10","1") = "9"
    & skf18("6","4","8","5","6","1","1") = "7"
    & skf18("6","4","8","5","6","2","1") = "7"
    & skf18("6","4","8","5","6","3","1") = "7"
    & skf18("6","4","8","5","6","4","1") = "7"
    & skf18("6","4","8","5","6","5","1") = "7"
    & skf18("6","4","8","5","6","6","1") = "7"
    & skf18("6","4","8","5","6","7","1") = "7"
    & skf18("6","4","8","5","6","8","1") = "7"
    & skf18("6","4","8","5","6","9","1") = "8"
    & skf18("6","4","8","5","6","10","1") = "9"
    & skf18("6","4","8","5","7","1","1") = "7"
    & skf18("6","4","8","5","7","2","1") = "7"
    & skf18("6","4","8","5","7","3","1") = "7"
    & skf18("6","4","8","5","7","4","1") = "7"
    & skf18("6","4","8","5","7","5","1") = "7"
    & skf18("6","4","8","5","7","6","1") = "7"
    & skf18("6","4","8","5","7","7","1") = "7"
    & skf18("6","4","8","5","7","8","1") = "7"
    & skf18("6","4","8","5","7","9","1") = "8"
    & skf18("6","4","8","5","7","10","1") = "9"
    & skf18("6","4","8","5","8","1","1") = "7"
    & skf18("6","4","8","5","8","2","1") = "7"
    & skf18("6","4","8","5","8","3","1") = "7"
    & skf18("6","4","8","5","8","4","1") = "7"
    & skf18("6","4","8","5","8","5","1") = "7"
    & skf18("6","4","8","5","8","6","1") = "7"
    & skf18("6","4","8","5","8","7","1") = "7"
    & skf18("6","4","8","5","8","8","1") = "7"
    & skf18("6","4","8","5","8","9","1") = "8"
    & skf18("6","4","8","5","8","10","1") = "9"
    & skf18("6","4","8","5","9","1","1") = "8"
    & skf18("6","4","8","5","9","2","1") = "8"
    & skf18("6","4","8","5","9","3","1") = "8"
    & skf18("6","4","8","5","9","4","1") = "8"
    & skf18("6","4","8","5","9","5","1") = "8"
    & skf18("6","4","8","5","9","6","1") = "8"
    & skf18("6","4","8","5","9","7","1") = "8"
    & skf18("6","4","8","5","9","8","1") = "8"
    & skf18("6","4","8","5","9","9","1") = "8"
    & skf18("6","4","8","5","9","10","1") = "9"
    & skf18("6","4","8","5","10","1","1") = "9"
    & skf18("6","4","8","5","10","2","1") = "9"
    & skf18("6","4","8","5","10","3","1") = "9"
    & skf18("6","4","8","5","10","4","1") = "9"
    & skf18("6","4","8","5","10","5","1") = "9"
    & skf18("6","4","8","5","10","6","1") = "9"
    & skf18("6","4","8","5","10","7","1") = "9"
    & skf18("6","4","8","5","10","8","1") = "9"
    & skf18("6","4","8","5","10","9","1") = "9"
    & skf18("6","4","8","5","10","10","1") = "9"
    & skf18("6","4","8","6","1","1","1") = "7"
    & skf18("6","4","8","6","1","2","1") = "7"
    & skf18("6","4","8","6","1","3","1") = "7"
    & skf18("6","4","8","6","1","4","1") = "7"
    & skf18("6","4","8","6","1","5","1") = "7"
    & skf18("6","4","8","6","1","6","1") = "7"
    & skf18("6","4","8","6","1","7","1") = "7"
    & skf18("6","4","8","6","1","8","1") = "7"
    & skf18("6","4","8","6","1","9","1") = "8"
    & skf18("6","4","8","6","1","10","1") = "9"
    & skf18("6","4","8","6","2","1","1") = "7"
    & skf18("6","4","8","6","2","2","1") = "7"
    & skf18("6","4","8","6","2","3","1") = "7"
    & skf18("6","4","8","6","2","4","1") = "7"
    & skf18("6","4","8","6","2","5","1") = "7"
    & skf18("6","4","8","6","2","6","1") = "7"
    & skf18("6","4","8","6","2","7","1") = "7"
    & skf18("6","4","8","6","2","8","1") = "7"
    & skf18("6","4","8","6","2","9","1") = "8"
    & skf18("6","4","8","6","2","10","1") = "9"
    & skf18("6","4","8","6","3","1","1") = "7"
    & skf18("6","4","8","6","3","2","1") = "7"
    & skf18("6","4","8","6","3","3","1") = "7"
    & skf18("6","4","8","6","3","4","1") = "7"
    & skf18("6","4","8","6","3","5","1") = "7"
    & skf18("6","4","8","6","3","6","1") = "7"
    & skf18("6","4","8","6","3","7","1") = "7"
    & skf18("6","4","8","6","3","8","1") = "7"
    & skf18("6","4","8","6","3","9","1") = "8"
    & skf18("6","4","8","6","3","10","1") = "9"
    & skf18("6","4","8","6","4","1","1") = "7"
    & skf18("6","4","8","6","4","2","1") = "7"
    & skf18("6","4","8","6","4","3","1") = "7"
    & skf18("6","4","8","6","4","4","1") = "7"
    & skf18("6","4","8","6","4","5","1") = "7"
    & skf18("6","4","8","6","4","6","1") = "7"
    & skf18("6","4","8","6","4","7","1") = "7"
    & skf18("6","4","8","6","4","8","1") = "7"
    & skf18("6","4","8","6","4","9","1") = "8"
    & skf18("6","4","8","6","4","10","1") = "9"
    & skf18("6","4","8","6","5","1","1") = "7"
    & skf18("6","4","8","6","5","2","1") = "7"
    & skf18("6","4","8","6","5","3","1") = "7"
    & skf18("6","4","8","6","5","4","1") = "7"
    & skf18("6","4","8","6","5","5","1") = "7"
    & skf18("6","4","8","6","5","6","1") = "7"
    & skf18("6","4","8","6","5","7","1") = "7"
    & skf18("6","4","8","6","5","8","1") = "7"
    & skf18("6","4","8","6","5","9","1") = "8"
    & skf18("6","4","8","6","5","10","1") = "9"
    & skf18("6","4","8","6","6","1","1") = "7"
    & skf18("6","4","8","6","6","2","1") = "7"
    & skf18("6","4","8","6","6","3","1") = "7"
    & skf18("6","4","8","6","6","4","1") = "7"
    & skf18("6","4","8","6","6","5","1") = "7"
    & skf18("6","4","8","6","6","6","1") = "7"
    & skf18("6","4","8","6","6","7","1") = "7"
    & skf18("6","4","8","6","6","8","1") = "7"
    & skf18("6","4","8","6","6","9","1") = "8"
    & skf18("6","4","8","6","6","10","1") = "9"
    & skf18("6","4","8","6","7","1","1") = "7"
    & skf18("6","4","8","6","7","2","1") = "7"
    & skf18("6","4","8","6","7","3","1") = "7"
    & skf18("6","4","8","6","7","4","1") = "7"
    & skf18("6","4","8","6","7","5","1") = "7"
    & skf18("6","4","8","6","7","6","1") = "7"
    & skf18("6","4","8","6","7","7","1") = "7"
    & skf18("6","4","8","6","7","8","1") = "7"
    & skf18("6","4","8","6","7","9","1") = "8"
    & skf18("6","4","8","6","7","10","1") = "9"
    & skf18("6","4","8","6","8","1","1") = "7"
    & skf18("6","4","8","6","8","2","1") = "7"
    & skf18("6","4","8","6","8","3","1") = "7"
    & skf18("6","4","8","6","8","4","1") = "7"
    & skf18("6","4","8","6","8","5","1") = "7"
    & skf18("6","4","8","6","8","6","1") = "7"
    & skf18("6","4","8","6","8","7","1") = "7"
    & skf18("6","4","8","6","8","8","1") = "7"
    & skf18("6","4","8","6","8","9","1") = "8"
    & skf18("6","4","8","6","8","10","1") = "9"
    & skf18("6","4","8","6","9","1","1") = "8"
    & skf18("6","4","8","6","9","2","1") = "8"
    & skf18("6","4","8","6","9","3","1") = "8"
    & skf18("6","4","8","6","9","4","1") = "8"
    & skf18("6","4","8","6","9","5","1") = "8"
    & skf18("6","4","8","6","9","6","1") = "8"
    & skf18("6","4","8","6","9","7","1") = "8"
    & skf18("6","4","8","6","9","8","1") = "8"
    & skf18("6","4","8","6","9","9","1") = "8"
    & skf18("6","4","8","6","9","10","1") = "9"
    & skf18("6","4","8","6","10","1","1") = "9"
    & skf18("6","4","8","6","10","2","1") = "9"
    & skf18("6","4","8","6","10","3","1") = "9"
    & skf18("6","4","8","6","10","4","1") = "9"
    & skf18("6","4","8","6","10","5","1") = "9"
    & skf18("6","4","8","6","10","6","1") = "9"
    & skf18("6","4","8","6","10","7","1") = "9"
    & skf18("6","4","8","6","10","8","1") = "9"
    & skf18("6","4","8","6","10","9","1") = "9"
    & skf18("6","4","8","6","10","10","1") = "9"
    & skf18("6","4","8","7","1","1","1") = "7"
    & skf18("6","4","8","7","1","2","1") = "7"
    & skf18("6","4","8","7","1","3","1") = "7"
    & skf18("6","4","8","7","1","4","1") = "7"
    & skf18("6","4","8","7","1","5","1") = "7"
    & skf18("6","4","8","7","1","6","1") = "7"
    & skf18("6","4","8","7","1","7","1") = "7"
    & skf18("6","4","8","7","1","8","1") = "7"
    & skf18("6","4","8","7","1","9","1") = "8"
    & skf18("6","4","8","7","1","10","1") = "9"
    & skf18("6","4","8","7","2","1","1") = "7"
    & skf18("6","4","8","7","2","2","1") = "7"
    & skf18("6","4","8","7","2","3","1") = "7"
    & skf18("6","4","8","7","2","4","1") = "7"
    & skf18("6","4","8","7","2","5","1") = "7"
    & skf18("6","4","8","7","2","6","1") = "7"
    & skf18("6","4","8","7","2","7","1") = "7"
    & skf18("6","4","8","7","2","8","1") = "7"
    & skf18("6","4","8","7","2","9","1") = "8"
    & skf18("6","4","8","7","2","10","1") = "9"
    & skf18("6","4","8","7","3","1","1") = "7"
    & skf18("6","4","8","7","3","2","1") = "7"
    & skf18("6","4","8","7","3","3","1") = "7"
    & skf18("6","4","8","7","3","4","1") = "7"
    & skf18("6","4","8","7","3","5","1") = "7"
    & skf18("6","4","8","7","3","6","1") = "7"
    & skf18("6","4","8","7","3","7","1") = "7"
    & skf18("6","4","8","7","3","8","1") = "7"
    & skf18("6","4","8","7","3","9","1") = "8"
    & skf18("6","4","8","7","3","10","1") = "9"
    & skf18("6","4","8","7","4","1","1") = "7"
    & skf18("6","4","8","7","4","2","1") = "7"
    & skf18("6","4","8","7","4","3","1") = "7"
    & skf18("6","4","8","7","4","4","1") = "7"
    & skf18("6","4","8","7","4","5","1") = "7"
    & skf18("6","4","8","7","4","6","1") = "7"
    & skf18("6","4","8","7","4","7","1") = "7"
    & skf18("6","4","8","7","4","8","1") = "7"
    & skf18("6","4","8","7","4","9","1") = "8"
    & skf18("6","4","8","7","4","10","1") = "9"
    & skf18("6","4","8","7","5","1","1") = "7"
    & skf18("6","4","8","7","5","2","1") = "7"
    & skf18("6","4","8","7","5","3","1") = "7"
    & skf18("6","4","8","7","5","4","1") = "7"
    & skf18("6","4","8","7","5","5","1") = "7"
    & skf18("6","4","8","7","5","6","1") = "7"
    & skf18("6","4","8","7","5","7","1") = "7"
    & skf18("6","4","8","7","5","8","1") = "7"
    & skf18("6","4","8","7","5","9","1") = "8"
    & skf18("6","4","8","7","5","10","1") = "9"
    & skf18("6","4","8","7","6","1","1") = "7"
    & skf18("6","4","8","7","6","2","1") = "7"
    & skf18("6","4","8","7","6","3","1") = "7"
    & skf18("6","4","8","7","6","4","1") = "7"
    & skf18("6","4","8","7","6","5","1") = "7"
    & skf18("6","4","8","7","6","6","1") = "7"
    & skf18("6","4","8","7","6","7","1") = "7"
    & skf18("6","4","8","7","6","8","1") = "7"
    & skf18("6","4","8","7","6","9","1") = "8"
    & skf18("6","4","8","7","6","10","1") = "9"
    & skf18("6","4","8","7","7","1","1") = "7"
    & skf18("6","4","8","7","7","2","1") = "7"
    & skf18("6","4","8","7","7","3","1") = "7"
    & skf18("6","4","8","7","7","4","1") = "7"
    & skf18("6","4","8","7","7","5","1") = "7"
    & skf18("6","4","8","7","7","6","1") = "7"
    & skf18("6","4","8","7","7","7","1") = "7"
    & skf18("6","4","8","7","7","8","1") = "7"
    & skf18("6","4","8","7","7","9","1") = "8"
    & skf18("6","4","8","7","7","10","1") = "9"
    & skf18("6","4","8","7","8","1","1") = "7"
    & skf18("6","4","8","7","8","2","1") = "7"
    & skf18("6","4","8","7","8","3","1") = "7"
    & skf18("6","4","8","7","8","4","1") = "7"
    & skf18("6","4","8","7","8","5","1") = "7"
    & skf18("6","4","8","7","8","6","1") = "7"
    & skf18("6","4","8","7","8","7","1") = "7"
    & skf18("6","4","8","7","8","8","1") = "7"
    & skf18("6","4","8","7","8","9","1") = "8"
    & skf18("6","4","8","7","8","10","1") = "9"
    & skf18("6","4","8","7","9","1","1") = "8"
    & skf18("6","4","8","7","9","2","1") = "8"
    & skf18("6","4","8","7","9","3","1") = "8"
    & skf18("6","4","8","7","9","4","1") = "8"
    & skf18("6","4","8","7","9","5","1") = "8"
    & skf18("6","4","8","7","9","6","1") = "8"
    & skf18("6","4","8","7","9","7","1") = "8"
    & skf18("6","4","8","7","9","8","1") = "8"
    & skf18("6","4","8","7","9","9","1") = "8"
    & skf18("6","4","8","7","9","10","1") = "9"
    & skf18("6","4","8","7","10","1","1") = "9"
    & skf18("6","4","8","7","10","2","1") = "9"
    & skf18("6","4","8","7","10","3","1") = "9"
    & skf18("6","4","8","7","10","4","1") = "9"
    & skf18("6","4","8","7","10","5","1") = "9"
    & skf18("6","4","8","7","10","6","1") = "9"
    & skf18("6","4","8","7","10","7","1") = "9"
    & skf18("6","4","8","7","10","8","1") = "9"
    & skf18("6","4","8","7","10","9","1") = "9"
    & skf18("6","4","8","7","10","10","1") = "9"
    & skf18("6","4","8","8","1","1","1") = "7"
    & skf18("6","4","8","8","1","2","1") = "7"
    & skf18("6","4","8","8","1","3","1") = "7"
    & skf18("6","4","8","8","1","4","1") = "7"
    & skf18("6","4","8","8","1","5","1") = "7"
    & skf18("6","4","8","8","1","6","1") = "7"
    & skf18("6","4","8","8","1","7","1") = "7"
    & skf18("6","4","8","8","1","8","1") = "7"
    & skf18("6","4","8","8","1","9","1") = "8"
    & skf18("6","4","8","8","1","10","1") = "9"
    & skf18("6","4","8","8","2","1","1") = "7"
    & skf18("6","4","8","8","2","2","1") = "7"
    & skf18("6","4","8","8","2","3","1") = "7"
    & skf18("6","4","8","8","2","4","1") = "7"
    & skf18("6","4","8","8","2","5","1") = "7"
    & skf18("6","4","8","8","2","6","1") = "7"
    & skf18("6","4","8","8","2","7","1") = "7"
    & skf18("6","4","8","8","2","8","1") = "7"
    & skf18("6","4","8","8","2","9","1") = "8"
    & skf18("6","4","8","8","2","10","1") = "9"
    & skf18("6","4","8","8","3","1","1") = "7"
    & skf18("6","4","8","8","3","2","1") = "7"
    & skf18("6","4","8","8","3","3","1") = "7"
    & skf18("6","4","8","8","3","4","1") = "7"
    & skf18("6","4","8","8","3","5","1") = "7"
    & skf18("6","4","8","8","3","6","1") = "7"
    & skf18("6","4","8","8","3","7","1") = "7"
    & skf18("6","4","8","8","3","8","1") = "7"
    & skf18("6","4","8","8","3","9","1") = "8"
    & skf18("6","4","8","8","3","10","1") = "9"
    & skf18("6","4","8","8","4","1","1") = "7"
    & skf18("6","4","8","8","4","2","1") = "7"
    & skf18("6","4","8","8","4","3","1") = "7"
    & skf18("6","4","8","8","4","4","1") = "7"
    & skf18("6","4","8","8","4","5","1") = "7"
    & skf18("6","4","8","8","4","6","1") = "7"
    & skf18("6","4","8","8","4","7","1") = "7"
    & skf18("6","4","8","8","4","8","1") = "7"
    & skf18("6","4","8","8","4","9","1") = "8"
    & skf18("6","4","8","8","4","10","1") = "9"
    & skf18("6","4","8","8","5","1","1") = "7"
    & skf18("6","4","8","8","5","2","1") = "7"
    & skf18("6","4","8","8","5","3","1") = "7"
    & skf18("6","4","8","8","5","4","1") = "7"
    & skf18("6","4","8","8","5","5","1") = "7"
    & skf18("6","4","8","8","5","6","1") = "7"
    & skf18("6","4","8","8","5","7","1") = "7"
    & skf18("6","4","8","8","5","8","1") = "7"
    & skf18("6","4","8","8","5","9","1") = "8"
    & skf18("6","4","8","8","5","10","1") = "9"
    & skf18("6","4","8","8","6","1","1") = "7"
    & skf18("6","4","8","8","6","2","1") = "7"
    & skf18("6","4","8","8","6","3","1") = "7"
    & skf18("6","4","8","8","6","4","1") = "7"
    & skf18("6","4","8","8","6","5","1") = "7"
    & skf18("6","4","8","8","6","6","1") = "7"
    & skf18("6","4","8","8","6","7","1") = "7"
    & skf18("6","4","8","8","6","8","1") = "7"
    & skf18("6","4","8","8","6","9","1") = "8"
    & skf18("6","4","8","8","6","10","1") = "9"
    & skf18("6","4","8","8","7","1","1") = "7"
    & skf18("6","4","8","8","7","2","1") = "7"
    & skf18("6","4","8","8","7","3","1") = "7"
    & skf18("6","4","8","8","7","4","1") = "7"
    & skf18("6","4","8","8","7","5","1") = "7"
    & skf18("6","4","8","8","7","6","1") = "7"
    & skf18("6","4","8","8","7","7","1") = "7"
    & skf18("6","4","8","8","7","8","1") = "7"
    & skf18("6","4","8","8","7","9","1") = "8"
    & skf18("6","4","8","8","7","10","1") = "9"
    & skf18("6","4","8","8","8","1","1") = "7"
    & skf18("6","4","8","8","8","2","1") = "7"
    & skf18("6","4","8","8","8","3","1") = "7"
    & skf18("6","4","8","8","8","4","1") = "7"
    & skf18("6","4","8","8","8","5","1") = "7"
    & skf18("6","4","8","8","8","6","1") = "7"
    & skf18("6","4","8","8","8","7","1") = "7"
    & skf18("6","4","8","8","8","8","1") = "7"
    & skf18("6","4","8","8","8","9","1") = "8"
    & skf18("6","4","8","8","8","10","1") = "9"
    & skf18("6","4","8","8","9","1","1") = "8"
    & skf18("6","4","8","8","9","2","1") = "8"
    & skf18("6","4","8","8","9","3","1") = "8"
    & skf18("6","4","8","8","9","4","1") = "8"
    & skf18("6","4","8","8","9","5","1") = "8"
    & skf18("6","4","8","8","9","6","1") = "8"
    & skf18("6","4","8","8","9","7","1") = "8"
    & skf18("6","4","8","8","9","8","1") = "8"
    & skf18("6","4","8","8","9","9","1") = "8"
    & skf18("6","4","8","8","9","10","1") = "9"
    & skf18("6","4","8","8","10","1","1") = "9"
    & skf18("6","4","8","8","10","2","1") = "9"
    & skf18("6","4","8","8","10","3","1") = "9"
    & skf18("6","4","8","8","10","4","1") = "9"
    & skf18("6","4","8","8","10","5","1") = "9"
    & skf18("6","4","8","8","10","6","1") = "9"
    & skf18("6","4","8","8","10","7","1") = "9"
    & skf18("6","4","8","8","10","8","1") = "9"
    & skf18("6","4","8","8","10","9","1") = "9"
    & skf18("6","4","8","8","10","10","1") = "9"
    & skf18("6","4","8","9","1","1","1") = "8"
    & skf18("6","4","8","9","1","2","1") = "8"
    & skf18("6","4","8","9","1","3","1") = "8"
    & skf18("6","4","8","9","1","4","1") = "8"
    & skf18("6","4","8","9","1","5","1") = "8"
    & skf18("6","4","8","9","1","6","1") = "8"
    & skf18("6","4","8","9","1","7","1") = "8"
    & skf18("6","4","8","9","1","8","1") = "8"
    & skf18("6","4","8","9","1","9","1") = "8"
    & skf18("6","4","8","9","1","10","1") = "9"
    & skf18("6","4","8","9","2","1","1") = "8"
    & skf18("6","4","8","9","2","2","1") = "8"
    & skf18("6","4","8","9","2","3","1") = "8"
    & skf18("6","4","8","9","2","4","1") = "8"
    & skf18("6","4","8","9","2","5","1") = "8"
    & skf18("6","4","8","9","2","6","1") = "8"
    & skf18("6","4","8","9","2","7","1") = "8"
    & skf18("6","4","8","9","2","8","1") = "8"
    & skf18("6","4","8","9","2","9","1") = "8"
    & skf18("6","4","8","9","2","10","1") = "9"
    & skf18("6","4","8","9","3","1","1") = "8"
    & skf18("6","4","8","9","3","2","1") = "8"
    & skf18("6","4","8","9","3","3","1") = "8"
    & skf18("6","4","8","9","3","4","1") = "8"
    & skf18("6","4","8","9","3","5","1") = "8"
    & skf18("6","4","8","9","3","6","1") = "8"
    & skf18("6","4","8","9","3","7","1") = "8"
    & skf18("6","4","8","9","3","8","1") = "8"
    & skf18("6","4","8","9","3","9","1") = "8"
    & skf18("6","4","8","9","3","10","1") = "9"
    & skf18("6","4","8","9","4","1","1") = "8"
    & skf18("6","4","8","9","4","2","1") = "8"
    & skf18("6","4","8","9","4","3","1") = "8"
    & skf18("6","4","8","9","4","4","1") = "8"
    & skf18("6","4","8","9","4","5","1") = "8"
    & skf18("6","4","8","9","4","6","1") = "8"
    & skf18("6","4","8","9","4","7","1") = "8"
    & skf18("6","4","8","9","4","8","1") = "8"
    & skf18("6","4","8","9","4","9","1") = "8"
    & skf18("6","4","8","9","4","10","1") = "9"
    & skf18("6","4","8","9","5","1","1") = "8"
    & skf18("6","4","8","9","5","2","1") = "8"
    & skf18("6","4","8","9","5","3","1") = "8"
    & skf18("6","4","8","9","5","4","1") = "8"
    & skf18("6","4","8","9","5","5","1") = "8"
    & skf18("6","4","8","9","5","6","1") = "8"
    & skf18("6","4","8","9","5","7","1") = "8"
    & skf18("6","4","8","9","5","8","1") = "8"
    & skf18("6","4","8","9","5","9","1") = "8"
    & skf18("6","4","8","9","5","10","1") = "9"
    & skf18("6","4","8","9","6","1","1") = "8"
    & skf18("6","4","8","9","6","2","1") = "8"
    & skf18("6","4","8","9","6","3","1") = "8"
    & skf18("6","4","8","9","6","4","1") = "8"
    & skf18("6","4","8","9","6","5","1") = "8"
    & skf18("6","4","8","9","6","6","1") = "8"
    & skf18("6","4","8","9","6","7","1") = "8"
    & skf18("6","4","8","9","6","8","1") = "8"
    & skf18("6","4","8","9","6","9","1") = "8"
    & skf18("6","4","8","9","6","10","1") = "9"
    & skf18("6","4","8","9","7","1","1") = "8"
    & skf18("6","4","8","9","7","2","1") = "8"
    & skf18("6","4","8","9","7","3","1") = "8"
    & skf18("6","4","8","9","7","4","1") = "8"
    & skf18("6","4","8","9","7","5","1") = "8"
    & skf18("6","4","8","9","7","6","1") = "8"
    & skf18("6","4","8","9","7","7","1") = "8"
    & skf18("6","4","8","9","7","8","1") = "8"
    & skf18("6","4","8","9","7","9","1") = "8"
    & skf18("6","4","8","9","7","10","1") = "9"
    & skf18("6","4","8","9","8","1","1") = "8"
    & skf18("6","4","8","9","8","2","1") = "8"
    & skf18("6","4","8","9","8","3","1") = "8"
    & skf18("6","4","8","9","8","4","1") = "8"
    & skf18("6","4","8","9","8","5","1") = "8"
    & skf18("6","4","8","9","8","6","1") = "8"
    & skf18("6","4","8","9","8","7","1") = "8"
    & skf18("6","4","8","9","8","8","1") = "8"
    & skf18("6","4","8","9","8","9","1") = "8"
    & skf18("6","4","8","9","8","10","1") = "9"
    & skf18("6","4","8","9","9","1","1") = "8"
    & skf18("6","4","8","9","9","2","1") = "8"
    & skf18("6","4","8","9","9","3","1") = "8"
    & skf18("6","4","8","9","9","4","1") = "8"
    & skf18("6","4","8","9","9","5","1") = "8"
    & skf18("6","4","8","9","9","6","1") = "8"
    & skf18("6","4","8","9","9","7","1") = "8"
    & skf18("6","4","8","9","9","8","1") = "8"
    & skf18("6","4","8","9","9","9","1") = "8"
    & skf18("6","4","8","9","9","10","1") = "9"
    & skf18("6","4","8","9","10","1","1") = "9"
    & skf18("6","4","8","9","10","2","1") = "9"
    & skf18("6","4","8","9","10","3","1") = "9"
    & skf18("6","4","8","9","10","4","1") = "9"
    & skf18("6","4","8","9","10","5","1") = "9"
    & skf18("6","4","8","9","10","6","1") = "9"
    & skf18("6","4","8","9","10","7","1") = "9"
    & skf18("6","4","8","9","10","8","1") = "9"
    & skf18("6","4","8","9","10","9","1") = "9"
    & skf18("6","4","8","9","10","10","1") = "9"
    & skf18("6","4","8","10","1","1","1") = "9"
    & skf18("6","4","8","10","1","2","1") = "9"
    & skf18("6","4","8","10","1","3","1") = "9"
    & skf18("6","4","8","10","1","4","1") = "9"
    & skf18("6","4","8","10","1","5","1") = "9"
    & skf18("6","4","8","10","1","6","1") = "9"
    & skf18("6","4","8","10","1","7","1") = "9"
    & skf18("6","4","8","10","1","8","1") = "9"
    & skf18("6","4","8","10","1","9","1") = "9"
    & skf18("6","4","8","10","1","10","1") = "9"
    & skf18("6","4","8","10","2","1","1") = "9"
    & skf18("6","4","8","10","2","2","1") = "9"
    & skf18("6","4","8","10","2","3","1") = "9"
    & skf18("6","4","8","10","2","4","1") = "9"
    & skf18("6","4","8","10","2","5","1") = "9"
    & skf18("6","4","8","10","2","6","1") = "9"
    & skf18("6","4","8","10","2","7","1") = "9"
    & skf18("6","4","8","10","2","8","1") = "9"
    & skf18("6","4","8","10","2","9","1") = "9"
    & skf18("6","4","8","10","2","10","1") = "9"
    & skf18("6","4","8","10","3","1","1") = "9"
    & skf18("6","4","8","10","3","2","1") = "9"
    & skf18("6","4","8","10","3","3","1") = "9"
    & skf18("6","4","8","10","3","4","1") = "9"
    & skf18("6","4","8","10","3","5","1") = "9"
    & skf18("6","4","8","10","3","6","1") = "9"
    & skf18("6","4","8","10","3","7","1") = "9"
    & skf18("6","4","8","10","3","8","1") = "9"
    & skf18("6","4","8","10","3","9","1") = "9"
    & skf18("6","4","8","10","3","10","1") = "9"
    & skf18("6","4","8","10","4","1","1") = "9"
    & skf18("6","4","8","10","4","2","1") = "9"
    & skf18("6","4","8","10","4","3","1") = "9"
    & skf18("6","4","8","10","4","4","1") = "9"
    & skf18("6","4","8","10","4","5","1") = "9"
    & skf18("6","4","8","10","4","6","1") = "9"
    & skf18("6","4","8","10","4","7","1") = "9"
    & skf18("6","4","8","10","4","8","1") = "9"
    & skf18("6","4","8","10","4","9","1") = "9"
    & skf18("6","4","8","10","4","10","1") = "9"
    & skf18("6","4","8","10","5","1","1") = "9"
    & skf18("6","4","8","10","5","2","1") = "9"
    & skf18("6","4","8","10","5","3","1") = "9"
    & skf18("6","4","8","10","5","4","1") = "9"
    & skf18("6","4","8","10","5","5","1") = "9"
    & skf18("6","4","8","10","5","6","1") = "9"
    & skf18("6","4","8","10","5","7","1") = "9"
    & skf18("6","4","8","10","5","8","1") = "9"
    & skf18("6","4","8","10","5","9","1") = "9"
    & skf18("6","4","8","10","5","10","1") = "9"
    & skf18("6","4","8","10","6","1","1") = "9"
    & skf18("6","4","8","10","6","2","1") = "9"
    & skf18("6","4","8","10","6","3","1") = "9"
    & skf18("6","4","8","10","6","4","1") = "9"
    & skf18("6","4","8","10","6","5","1") = "9"
    & skf18("6","4","8","10","6","6","1") = "9"
    & skf18("6","4","8","10","6","7","1") = "9"
    & skf18("6","4","8","10","6","8","1") = "9"
    & skf18("6","4","8","10","6","9","1") = "9"
    & skf18("6","4","8","10","6","10","1") = "9"
    & skf18("6","4","8","10","7","1","1") = "9"
    & skf18("6","4","8","10","7","2","1") = "9"
    & skf18("6","4","8","10","7","3","1") = "9"
    & skf18("6","4","8","10","7","4","1") = "9"
    & skf18("6","4","8","10","7","5","1") = "9"
    & skf18("6","4","8","10","7","6","1") = "9"
    & skf18("6","4","8","10","7","7","1") = "9"
    & skf18("6","4","8","10","7","8","1") = "9"
    & skf18("6","4","8","10","7","9","1") = "9"
    & skf18("6","4","8","10","7","10","1") = "9"
    & skf18("6","4","8","10","8","1","1") = "9"
    & skf18("6","4","8","10","8","2","1") = "9"
    & skf18("6","4","8","10","8","3","1") = "9"
    & skf18("6","4","8","10","8","4","1") = "9"
    & skf18("6","4","8","10","8","5","1") = "9"
    & skf18("6","4","8","10","8","6","1") = "9"
    & skf18("6","4","8","10","8","7","1") = "9"
    & skf18("6","4","8","10","8","8","1") = "9"
    & skf18("6","4","8","10","8","9","1") = "9"
    & skf18("6","4","8","10","8","10","1") = "9"
    & skf18("6","4","8","10","9","1","1") = "9"
    & skf18("6","4","8","10","9","2","1") = "9"
    & skf18("6","4","8","10","9","3","1") = "9"
    & skf18("6","4","8","10","9","4","1") = "9"
    & skf18("6","4","8","10","9","5","1") = "9"
    & skf18("6","4","8","10","9","6","1") = "9"
    & skf18("6","4","8","10","9","7","1") = "9"
    & skf18("6","4","8","10","9","8","1") = "9"
    & skf18("6","4","8","10","9","9","1") = "9"
    & skf18("6","4","8","10","9","10","1") = "9"
    & skf18("6","4","8","10","10","1","1") = "9"
    & skf18("6","4","8","10","10","2","1") = "9"
    & skf18("6","4","8","10","10","3","1") = "9"
    & skf18("6","4","8","10","10","4","1") = "9"
    & skf18("6","4","8","10","10","5","1") = "9"
    & skf18("6","4","8","10","10","6","1") = "9"
    & skf18("6","4","8","10","10","7","1") = "9"
    & skf18("6","4","8","10","10","8","1") = "9"
    & skf18("6","4","8","10","10","9","1") = "9"
    & skf18("6","4","8","10","10","10","1") = "9"
    & skf18("6","4","9","1","1","1","1") = "8"
    & skf18("6","4","9","1","1","2","1") = "8"
    & skf18("6","4","9","1","1","3","1") = "8"
    & skf18("6","4","9","1","1","4","1") = "8"
    & skf18("6","4","9","1","1","5","1") = "8"
    & skf18("6","4","9","1","1","6","1") = "8"
    & skf18("6","4","9","1","1","7","1") = "8"
    & skf18("6","4","9","1","1","8","1") = "8"
    & skf18("6","4","9","1","1","9","1") = "8"
    & skf18("6","4","9","1","1","10","1") = "9"
    & skf18("6","4","9","1","2","1","1") = "8"
    & skf18("6","4","9","1","2","2","1") = "8"
    & skf18("6","4","9","1","2","3","1") = "8"
    & skf18("6","4","9","1","2","4","1") = "8"
    & skf18("6","4","9","1","2","5","1") = "8"
    & skf18("6","4","9","1","2","6","1") = "8"
    & skf18("6","4","9","1","2","7","1") = "8"
    & skf18("6","4","9","1","2","8","1") = "8"
    & skf18("6","4","9","1","2","9","1") = "8"
    & skf18("6","4","9","1","2","10","1") = "9"
    & skf18("6","4","9","1","3","1","1") = "8"
    & skf18("6","4","9","1","3","2","1") = "8"
    & skf18("6","4","9","1","3","3","1") = "8"
    & skf18("6","4","9","1","3","4","1") = "8"
    & skf18("6","4","9","1","3","5","1") = "8"
    & skf18("6","4","9","1","3","6","1") = "8"
    & skf18("6","4","9","1","3","7","1") = "8"
    & skf18("6","4","9","1","3","8","1") = "8"
    & skf18("6","4","9","1","3","9","1") = "8"
    & skf18("6","4","9","1","3","10","1") = "9"
    & skf18("6","4","9","1","4","1","1") = "8"
    & skf18("6","4","9","1","4","2","1") = "8"
    & skf18("6","4","9","1","4","3","1") = "8"
    & skf18("6","4","9","1","4","4","1") = "8"
    & skf18("6","4","9","1","4","5","1") = "8"
    & skf18("6","4","9","1","4","6","1") = "8"
    & skf18("6","4","9","1","4","7","1") = "8"
    & skf18("6","4","9","1","4","8","1") = "8"
    & skf18("6","4","9","1","4","9","1") = "8"
    & skf18("6","4","9","1","4","10","1") = "9"
    & skf18("6","4","9","1","5","1","1") = "8"
    & skf18("6","4","9","1","5","2","1") = "8"
    & skf18("6","4","9","1","5","3","1") = "8"
    & skf18("6","4","9","1","5","4","1") = "8"
    & skf18("6","4","9","1","5","5","1") = "8"
    & skf18("6","4","9","1","5","6","1") = "8"
    & skf18("6","4","9","1","5","7","1") = "8"
    & skf18("6","4","9","1","5","8","1") = "8"
    & skf18("6","4","9","1","5","9","1") = "8"
    & skf18("6","4","9","1","5","10","1") = "9"
    & skf18("6","4","9","1","6","1","1") = "8"
    & skf18("6","4","9","1","6","2","1") = "8"
    & skf18("6","4","9","1","6","3","1") = "8"
    & skf18("6","4","9","1","6","4","1") = "8"
    & skf18("6","4","9","1","6","5","1") = "8"
    & skf18("6","4","9","1","6","6","1") = "8"
    & skf18("6","4","9","1","6","7","1") = "8"
    & skf18("6","4","9","1","6","8","1") = "8"
    & skf18("6","4","9","1","6","9","1") = "8"
    & skf18("6","4","9","1","6","10","1") = "9"
    & skf18("6","4","9","1","7","1","1") = "8"
    & skf18("6","4","9","1","7","2","1") = "8"
    & skf18("6","4","9","1","7","3","1") = "8"
    & skf18("6","4","9","1","7","4","1") = "8"
    & skf18("6","4","9","1","7","5","1") = "8"
    & skf18("6","4","9","1","7","6","1") = "8"
    & skf18("6","4","9","1","7","7","1") = "8"
    & skf18("6","4","9","1","7","8","1") = "8"
    & skf18("6","4","9","1","7","9","1") = "8"
    & skf18("6","4","9","1","7","10","1") = "9"
    & skf18("6","4","9","1","8","1","1") = "8"
    & skf18("6","4","9","1","8","2","1") = "8"
    & skf18("6","4","9","1","8","3","1") = "8"
    & skf18("6","4","9","1","8","4","1") = "8"
    & skf18("6","4","9","1","8","5","1") = "8"
    & skf18("6","4","9","1","8","6","1") = "8"
    & skf18("6","4","9","1","8","7","1") = "8"
    & skf18("6","4","9","1","8","8","1") = "8"
    & skf18("6","4","9","1","8","9","1") = "8"
    & skf18("6","4","9","1","8","10","1") = "9"
    & skf18("6","4","9","1","9","1","1") = "8"
    & skf18("6","4","9","1","9","2","1") = "8"
    & skf18("6","4","9","1","9","3","1") = "8"
    & skf18("6","4","9","1","9","4","1") = "8"
    & skf18("6","4","9","1","9","5","1") = "8"
    & skf18("6","4","9","1","9","6","1") = "8"
    & skf18("6","4","9","1","9","7","1") = "8"
    & skf18("6","4","9","1","9","8","1") = "8"
    & skf18("6","4","9","1","9","9","1") = "8"
    & skf18("6","4","9","1","9","10","1") = "9"
    & skf18("6","4","9","1","10","1","1") = "9"
    & skf18("6","4","9","1","10","2","1") = "9"
    & skf18("6","4","9","1","10","3","1") = "9"
    & skf18("6","4","9","1","10","4","1") = "9"
    & skf18("6","4","9","1","10","5","1") = "9"
    & skf18("6","4","9","1","10","6","1") = "9"
    & skf18("6","4","9","1","10","7","1") = "9"
    & skf18("6","4","9","1","10","8","1") = "9"
    & skf18("6","4","9","1","10","9","1") = "9"
    & skf18("6","4","9","1","10","10","1") = "9"
    & skf18("6","4","9","2","1","1","1") = "8"
    & skf18("6","4","9","2","1","2","1") = "8"
    & skf18("6","4","9","2","1","3","1") = "8"
    & skf18("6","4","9","2","1","4","1") = "8"
    & skf18("6","4","9","2","1","5","1") = "8"
    & skf18("6","4","9","2","1","6","1") = "8"
    & skf18("6","4","9","2","1","7","1") = "8"
    & skf18("6","4","9","2","1","8","1") = "8"
    & skf18("6","4","9","2","1","9","1") = "8"
    & skf18("6","4","9","2","1","10","1") = "9"
    & skf18("6","4","9","2","2","1","1") = "8"
    & skf18("6","4","9","2","2","2","1") = "8"
    & skf18("6","4","9","2","2","3","1") = "8"
    & skf18("6","4","9","2","2","4","1") = "8"
    & skf18("6","4","9","2","2","5","1") = "8"
    & skf18("6","4","9","2","2","6","1") = "8"
    & skf18("6","4","9","2","2","7","1") = "8"
    & skf18("6","4","9","2","2","8","1") = "8"
    & skf18("6","4","9","2","2","9","1") = "8"
    & skf18("6","4","9","2","2","10","1") = "9"
    & skf18("6","4","9","2","3","1","1") = "8"
    & skf18("6","4","9","2","3","2","1") = "8"
    & skf18("6","4","9","2","3","3","1") = "8"
    & skf18("6","4","9","2","3","4","1") = "8"
    & skf18("6","4","9","2","3","5","1") = "8"
    & skf18("6","4","9","2","3","6","1") = "8"
    & skf18("6","4","9","2","3","7","1") = "8"
    & skf18("6","4","9","2","3","8","1") = "8"
    & skf18("6","4","9","2","3","9","1") = "8"
    & skf18("6","4","9","2","3","10","1") = "9"
    & skf18("6","4","9","2","4","1","1") = "8"
    & skf18("6","4","9","2","4","2","1") = "8"
    & skf18("6","4","9","2","4","3","1") = "8"
    & skf18("6","4","9","2","4","4","1") = "8"
    & skf18("6","4","9","2","4","5","1") = "8"
    & skf18("6","4","9","2","4","6","1") = "8"
    & skf18("6","4","9","2","4","7","1") = "8"
    & skf18("6","4","9","2","4","8","1") = "8"
    & skf18("6","4","9","2","4","9","1") = "8"
    & skf18("6","4","9","2","4","10","1") = "9"
    & skf18("6","4","9","2","5","1","1") = "8"
    & skf18("6","4","9","2","5","2","1") = "8"
    & skf18("6","4","9","2","5","3","1") = "8"
    & skf18("6","4","9","2","5","4","1") = "8"
    & skf18("6","4","9","2","5","5","1") = "8"
    & skf18("6","4","9","2","5","6","1") = "8"
    & skf18("6","4","9","2","5","7","1") = "8"
    & skf18("6","4","9","2","5","8","1") = "8"
    & skf18("6","4","9","2","5","9","1") = "8"
    & skf18("6","4","9","2","5","10","1") = "9"
    & skf18("6","4","9","2","6","1","1") = "8"
    & skf18("6","4","9","2","6","2","1") = "8"
    & skf18("6","4","9","2","6","3","1") = "8"
    & skf18("6","4","9","2","6","4","1") = "8"
    & skf18("6","4","9","2","6","5","1") = "8"
    & skf18("6","4","9","2","6","6","1") = "8"
    & skf18("6","4","9","2","6","7","1") = "8"
    & skf18("6","4","9","2","6","8","1") = "8"
    & skf18("6","4","9","2","6","9","1") = "8"
    & skf18("6","4","9","2","6","10","1") = "9"
    & skf18("6","4","9","2","7","1","1") = "8"
    & skf18("6","4","9","2","7","2","1") = "8"
    & skf18("6","4","9","2","7","3","1") = "8"
    & skf18("6","4","9","2","7","4","1") = "8"
    & skf18("6","4","9","2","7","5","1") = "8"
    & skf18("6","4","9","2","7","6","1") = "8"
    & skf18("6","4","9","2","7","7","1") = "8"
    & skf18("6","4","9","2","7","8","1") = "8"
    & skf18("6","4","9","2","7","9","1") = "8"
    & skf18("6","4","9","2","7","10","1") = "9"
    & skf18("6","4","9","2","8","1","1") = "8"
    & skf18("6","4","9","2","8","2","1") = "8"
    & skf18("6","4","9","2","8","3","1") = "8"
    & skf18("6","4","9","2","8","4","1") = "8"
    & skf18("6","4","9","2","8","5","1") = "8"
    & skf18("6","4","9","2","8","6","1") = "8"
    & skf18("6","4","9","2","8","7","1") = "8"
    & skf18("6","4","9","2","8","8","1") = "8"
    & skf18("6","4","9","2","8","9","1") = "8"
    & skf18("6","4","9","2","8","10","1") = "9"
    & skf18("6","4","9","2","9","1","1") = "8"
    & skf18("6","4","9","2","9","2","1") = "8"
    & skf18("6","4","9","2","9","3","1") = "8"
    & skf18("6","4","9","2","9","4","1") = "8"
    & skf18("6","4","9","2","9","5","1") = "8"
    & skf18("6","4","9","2","9","6","1") = "8"
    & skf18("6","4","9","2","9","7","1") = "8"
    & skf18("6","4","9","2","9","8","1") = "8"
    & skf18("6","4","9","2","9","9","1") = "8"
    & skf18("6","4","9","2","9","10","1") = "9"
    & skf18("6","4","9","2","10","1","1") = "9"
    & skf18("6","4","9","2","10","2","1") = "9"
    & skf18("6","4","9","2","10","3","1") = "9"
    & skf18("6","4","9","2","10","4","1") = "9"
    & skf18("6","4","9","2","10","5","1") = "9"
    & skf18("6","4","9","2","10","6","1") = "9"
    & skf18("6","4","9","2","10","7","1") = "9"
    & skf18("6","4","9","2","10","8","1") = "9"
    & skf18("6","4","9","2","10","9","1") = "9"
    & skf18("6","4","9","2","10","10","1") = "9"
    & skf18("6","4","9","3","1","1","1") = "8"
    & skf18("6","4","9","3","1","2","1") = "8"
    & skf18("6","4","9","3","1","3","1") = "8"
    & skf18("6","4","9","3","1","4","1") = "8"
    & skf18("6","4","9","3","1","5","1") = "8"
    & skf18("6","4","9","3","1","6","1") = "8"
    & skf18("6","4","9","3","1","7","1") = "8"
    & skf18("6","4","9","3","1","8","1") = "8"
    & skf18("6","4","9","3","1","9","1") = "8"
    & skf18("6","4","9","3","1","10","1") = "9"
    & skf18("6","4","9","3","2","1","1") = "8"
    & skf18("6","4","9","3","2","2","1") = "8"
    & skf18("6","4","9","3","2","3","1") = "8"
    & skf18("6","4","9","3","2","4","1") = "8"
    & skf18("6","4","9","3","2","5","1") = "8"
    & skf18("6","4","9","3","2","6","1") = "8"
    & skf18("6","4","9","3","2","7","1") = "8"
    & skf18("6","4","9","3","2","8","1") = "8"
    & skf18("6","4","9","3","2","9","1") = "8"
    & skf18("6","4","9","3","2","10","1") = "9"
    & skf18("6","4","9","3","3","1","1") = "8"
    & skf18("6","4","9","3","3","2","1") = "8"
    & skf18("6","4","9","3","3","3","1") = "8"
    & skf18("6","4","9","3","3","4","1") = "8"
    & skf18("6","4","9","3","3","5","1") = "8"
    & skf18("6","4","9","3","3","6","1") = "8"
    & skf18("6","4","9","3","3","7","1") = "8"
    & skf18("6","4","9","3","3","8","1") = "8"
    & skf18("6","4","9","3","3","9","1") = "8"
    & skf18("6","4","9","3","3","10","1") = "9"
    & skf18("6","4","9","3","4","1","1") = "8"
    & skf18("6","4","9","3","4","2","1") = "8"
    & skf18("6","4","9","3","4","3","1") = "8"
    & skf18("6","4","9","3","4","4","1") = "8"
    & skf18("6","4","9","3","4","5","1") = "8"
    & skf18("6","4","9","3","4","6","1") = "8"
    & skf18("6","4","9","3","4","7","1") = "8"
    & skf18("6","4","9","3","4","8","1") = "8"
    & skf18("6","4","9","3","4","9","1") = "8"
    & skf18("6","4","9","3","4","10","1") = "9"
    & skf18("6","4","9","3","5","1","1") = "8"
    & skf18("6","4","9","3","5","2","1") = "8"
    & skf18("6","4","9","3","5","3","1") = "8"
    & skf18("6","4","9","3","5","4","1") = "8"
    & skf18("6","4","9","3","5","5","1") = "8"
    & skf18("6","4","9","3","5","6","1") = "8"
    & skf18("6","4","9","3","5","7","1") = "8"
    & skf18("6","4","9","3","5","8","1") = "8"
    & skf18("6","4","9","3","5","9","1") = "8"
    & skf18("6","4","9","3","5","10","1") = "9"
    & skf18("6","4","9","3","6","1","1") = "8"
    & skf18("6","4","9","3","6","2","1") = "8"
    & skf18("6","4","9","3","6","3","1") = "8"
    & skf18("6","4","9","3","6","4","1") = "8"
    & skf18("6","4","9","3","6","5","1") = "8"
    & skf18("6","4","9","3","6","6","1") = "8"
    & skf18("6","4","9","3","6","7","1") = "8"
    & skf18("6","4","9","3","6","8","1") = "8"
    & skf18("6","4","9","3","6","9","1") = "8"
    & skf18("6","4","9","3","6","10","1") = "9"
    & skf18("6","4","9","3","7","1","1") = "8"
    & skf18("6","4","9","3","7","2","1") = "8"
    & skf18("6","4","9","3","7","3","1") = "8"
    & skf18("6","4","9","3","7","4","1") = "8"
    & skf18("6","4","9","3","7","5","1") = "8"
    & skf18("6","4","9","3","7","6","1") = "8"
    & skf18("6","4","9","3","7","7","1") = "8"
    & skf18("6","4","9","3","7","8","1") = "8"
    & skf18("6","4","9","3","7","9","1") = "8"
    & skf18("6","4","9","3","7","10","1") = "9"
    & skf18("6","4","9","3","8","1","1") = "8"
    & skf18("6","4","9","3","8","2","1") = "8"
    & skf18("6","4","9","3","8","3","1") = "8"
    & skf18("6","4","9","3","8","4","1") = "8"
    & skf18("6","4","9","3","8","5","1") = "8"
    & skf18("6","4","9","3","8","6","1") = "8"
    & skf18("6","4","9","3","8","7","1") = "8"
    & skf18("6","4","9","3","8","8","1") = "8"
    & skf18("6","4","9","3","8","9","1") = "8"
    & skf18("6","4","9","3","8","10","1") = "9"
    & skf18("6","4","9","3","9","1","1") = "8"
    & skf18("6","4","9","3","9","2","1") = "8"
    & skf18("6","4","9","3","9","3","1") = "8"
    & skf18("6","4","9","3","9","4","1") = "8"
    & skf18("6","4","9","3","9","5","1") = "8"
    & skf18("6","4","9","3","9","6","1") = "8"
    & skf18("6","4","9","3","9","7","1") = "8"
    & skf18("6","4","9","3","9","8","1") = "8"
    & skf18("6","4","9","3","9","9","1") = "8"
    & skf18("6","4","9","3","9","10","1") = "9"
    & skf18("6","4","9","3","10","1","1") = "9"
    & skf18("6","4","9","3","10","2","1") = "9"
    & skf18("6","4","9","3","10","3","1") = "9"
    & skf18("6","4","9","3","10","4","1") = "9"
    & skf18("6","4","9","3","10","5","1") = "9"
    & skf18("6","4","9","3","10","6","1") = "9"
    & skf18("6","4","9","3","10","7","1") = "9"
    & skf18("6","4","9","3","10","8","1") = "9"
    & skf18("6","4","9","3","10","9","1") = "9"
    & skf18("6","4","9","3","10","10","1") = "9"
    & skf18("6","4","9","4","1","1","1") = "8"
    & skf18("6","4","9","4","1","2","1") = "8"
    & skf18("6","4","9","4","1","3","1") = "8"
    & skf18("6","4","9","4","1","4","1") = "8"
    & skf18("6","4","9","4","1","5","1") = "8"
    & skf18("6","4","9","4","1","6","1") = "8"
    & skf18("6","4","9","4","1","7","1") = "8"
    & skf18("6","4","9","4","1","8","1") = "8"
    & skf18("6","4","9","4","1","9","1") = "8"
    & skf18("6","4","9","4","1","10","1") = "9"
    & skf18("6","4","9","4","2","1","1") = "8"
    & skf18("6","4","9","4","2","2","1") = "8"
    & skf18("6","4","9","4","2","3","1") = "8"
    & skf18("6","4","9","4","2","4","1") = "8"
    & skf18("6","4","9","4","2","5","1") = "8"
    & skf18("6","4","9","4","2","6","1") = "8"
    & skf18("6","4","9","4","2","7","1") = "8"
    & skf18("6","4","9","4","2","8","1") = "8"
    & skf18("6","4","9","4","2","9","1") = "8"
    & skf18("6","4","9","4","2","10","1") = "9"
    & skf18("6","4","9","4","3","1","1") = "8"
    & skf18("6","4","9","4","3","2","1") = "8"
    & skf18("6","4","9","4","3","3","1") = "8"
    & skf18("6","4","9","4","3","4","1") = "8"
    & skf18("6","4","9","4","3","5","1") = "8"
    & skf18("6","4","9","4","3","6","1") = "8"
    & skf18("6","4","9","4","3","7","1") = "8"
    & skf18("6","4","9","4","3","8","1") = "8"
    & skf18("6","4","9","4","3","9","1") = "8"
    & skf18("6","4","9","4","3","10","1") = "9"
    & skf18("6","4","9","4","4","1","1") = "8"
    & skf18("6","4","9","4","4","2","1") = "8"
    & skf18("6","4","9","4","4","3","1") = "8"
    & skf18("6","4","9","4","4","4","1") = "8"
    & skf18("6","4","9","4","4","5","1") = "8"
    & skf18("6","4","9","4","4","6","1") = "8"
    & skf18("6","4","9","4","4","7","1") = "8"
    & skf18("6","4","9","4","4","8","1") = "8"
    & skf18("6","4","9","4","4","9","1") = "8"
    & skf18("6","4","9","4","4","10","1") = "9"
    & skf18("6","4","9","4","5","1","1") = "8"
    & skf18("6","4","9","4","5","2","1") = "8"
    & skf18("6","4","9","4","5","3","1") = "8"
    & skf18("6","4","9","4","5","4","1") = "8"
    & skf18("6","4","9","4","5","5","1") = "8"
    & skf18("6","4","9","4","5","6","1") = "8"
    & skf18("6","4","9","4","5","7","1") = "8"
    & skf18("6","4","9","4","5","8","1") = "8"
    & skf18("6","4","9","4","5","9","1") = "8"
    & skf18("6","4","9","4","5","10","1") = "9"
    & skf18("6","4","9","4","6","1","1") = "8"
    & skf18("6","4","9","4","6","2","1") = "8"
    & skf18("6","4","9","4","6","3","1") = "8"
    & skf18("6","4","9","4","6","4","1") = "8"
    & skf18("6","4","9","4","6","5","1") = "8"
    & skf18("6","4","9","4","6","6","1") = "8"
    & skf18("6","4","9","4","6","7","1") = "8"
    & skf18("6","4","9","4","6","8","1") = "8"
    & skf18("6","4","9","4","6","9","1") = "8"
    & skf18("6","4","9","4","6","10","1") = "9"
    & skf18("6","4","9","4","7","1","1") = "8"
    & skf18("6","4","9","4","7","2","1") = "8"
    & skf18("6","4","9","4","7","3","1") = "8"
    & skf18("6","4","9","4","7","4","1") = "8"
    & skf18("6","4","9","4","7","5","1") = "8"
    & skf18("6","4","9","4","7","6","1") = "8"
    & skf18("6","4","9","4","7","7","1") = "8"
    & skf18("6","4","9","4","7","8","1") = "8"
    & skf18("6","4","9","4","7","9","1") = "8"
    & skf18("6","4","9","4","7","10","1") = "9"
    & skf18("6","4","9","4","8","1","1") = "8"
    & skf18("6","4","9","4","8","2","1") = "8"
    & skf18("6","4","9","4","8","3","1") = "8"
    & skf18("6","4","9","4","8","4","1") = "8"
    & skf18("6","4","9","4","8","5","1") = "8"
    & skf18("6","4","9","4","8","6","1") = "8"
    & skf18("6","4","9","4","8","7","1") = "8"
    & skf18("6","4","9","4","8","8","1") = "8"
    & skf18("6","4","9","4","8","9","1") = "8"
    & skf18("6","4","9","4","8","10","1") = "9"
    & skf18("6","4","9","4","9","1","1") = "8"
    & skf18("6","4","9","4","9","2","1") = "8"
    & skf18("6","4","9","4","9","3","1") = "8"
    & skf18("6","4","9","4","9","4","1") = "8"
    & skf18("6","4","9","4","9","5","1") = "8"
    & skf18("6","4","9","4","9","6","1") = "8"
    & skf18("6","4","9","4","9","7","1") = "8"
    & skf18("6","4","9","4","9","8","1") = "8"
    & skf18("6","4","9","4","9","9","1") = "8"
    & skf18("6","4","9","4","9","10","1") = "9"
    & skf18("6","4","9","4","10","1","1") = "9"
    & skf18("6","4","9","4","10","2","1") = "9"
    & skf18("6","4","9","4","10","3","1") = "9"
    & skf18("6","4","9","4","10","4","1") = "9"
    & skf18("6","4","9","4","10","5","1") = "9"
    & skf18("6","4","9","4","10","6","1") = "9"
    & skf18("6","4","9","4","10","7","1") = "9"
    & skf18("6","4","9","4","10","8","1") = "9"
    & skf18("6","4","9","4","10","9","1") = "9"
    & skf18("6","4","9","4","10","10","1") = "9"
    & skf18("6","4","9","5","1","1","1") = "8"
    & skf18("6","4","9","5","1","2","1") = "8"
    & skf18("6","4","9","5","1","3","1") = "8"
    & skf18("6","4","9","5","1","4","1") = "8"
    & skf18("6","4","9","5","1","5","1") = "8"
    & skf18("6","4","9","5","1","6","1") = "8"
    & skf18("6","4","9","5","1","7","1") = "8"
    & skf18("6","4","9","5","1","8","1") = "8"
    & skf18("6","4","9","5","1","9","1") = "8"
    & skf18("6","4","9","5","1","10","1") = "9"
    & skf18("6","4","9","5","2","1","1") = "8"
    & skf18("6","4","9","5","2","2","1") = "8"
    & skf18("6","4","9","5","2","3","1") = "8"
    & skf18("6","4","9","5","2","4","1") = "8"
    & skf18("6","4","9","5","2","5","1") = "8"
    & skf18("6","4","9","5","2","6","1") = "8"
    & skf18("6","4","9","5","2","7","1") = "8"
    & skf18("6","4","9","5","2","8","1") = "8"
    & skf18("6","4","9","5","2","9","1") = "8"
    & skf18("6","4","9","5","2","10","1") = "9"
    & skf18("6","4","9","5","3","1","1") = "8"
    & skf18("6","4","9","5","3","2","1") = "8"
    & skf18("6","4","9","5","3","3","1") = "8"
    & skf18("6","4","9","5","3","4","1") = "8"
    & skf18("6","4","9","5","3","5","1") = "8"
    & skf18("6","4","9","5","3","6","1") = "8"
    & skf18("6","4","9","5","3","7","1") = "8"
    & skf18("6","4","9","5","3","8","1") = "8"
    & skf18("6","4","9","5","3","9","1") = "8"
    & skf18("6","4","9","5","3","10","1") = "9"
    & skf18("6","4","9","5","4","1","1") = "8"
    & skf18("6","4","9","5","4","2","1") = "8"
    & skf18("6","4","9","5","4","3","1") = "8"
    & skf18("6","4","9","5","4","4","1") = "8"
    & skf18("6","4","9","5","4","5","1") = "8"
    & skf18("6","4","9","5","4","6","1") = "8"
    & skf18("6","4","9","5","4","7","1") = "8"
    & skf18("6","4","9","5","4","8","1") = "8"
    & skf18("6","4","9","5","4","9","1") = "8"
    & skf18("6","4","9","5","4","10","1") = "9"
    & skf18("6","4","9","5","5","1","1") = "8"
    & skf18("6","4","9","5","5","2","1") = "8"
    & skf18("6","4","9","5","5","3","1") = "8"
    & skf18("6","4","9","5","5","4","1") = "8"
    & skf18("6","4","9","5","5","5","1") = "8"
    & skf18("6","4","9","5","5","6","1") = "8"
    & skf18("6","4","9","5","5","7","1") = "8"
    & skf18("6","4","9","5","5","8","1") = "8"
    & skf18("6","4","9","5","5","9","1") = "8"
    & skf18("6","4","9","5","5","10","1") = "9"
    & skf18("6","4","9","5","6","1","1") = "8"
    & skf18("6","4","9","5","6","2","1") = "8"
    & skf18("6","4","9","5","6","3","1") = "8"
    & skf18("6","4","9","5","6","4","1") = "8"
    & skf18("6","4","9","5","6","5","1") = "8"
    & skf18("6","4","9","5","6","6","1") = "8"
    & skf18("6","4","9","5","6","7","1") = "8"
    & skf18("6","4","9","5","6","8","1") = "8"
    & skf18("6","4","9","5","6","9","1") = "8"
    & skf18("6","4","9","5","6","10","1") = "9"
    & skf18("6","4","9","5","7","1","1") = "8"
    & skf18("6","4","9","5","7","2","1") = "8"
    & skf18("6","4","9","5","7","3","1") = "8"
    & skf18("6","4","9","5","7","4","1") = "8"
    & skf18("6","4","9","5","7","5","1") = "8"
    & skf18("6","4","9","5","7","6","1") = "8"
    & skf18("6","4","9","5","7","7","1") = "8"
    & skf18("6","4","9","5","7","8","1") = "8"
    & skf18("6","4","9","5","7","9","1") = "8"
    & skf18("6","4","9","5","7","10","1") = "9"
    & skf18("6","4","9","5","8","1","1") = "8"
    & skf18("6","4","9","5","8","2","1") = "8"
    & skf18("6","4","9","5","8","3","1") = "8"
    & skf18("6","4","9","5","8","4","1") = "8"
    & skf18("6","4","9","5","8","5","1") = "8"
    & skf18("6","4","9","5","8","6","1") = "8"
    & skf18("6","4","9","5","8","7","1") = "8"
    & skf18("6","4","9","5","8","8","1") = "8"
    & skf18("6","4","9","5","8","9","1") = "8"
    & skf18("6","4","9","5","8","10","1") = "9"
    & skf18("6","4","9","5","9","1","1") = "8"
    & skf18("6","4","9","5","9","2","1") = "8"
    & skf18("6","4","9","5","9","3","1") = "8"
    & skf18("6","4","9","5","9","4","1") = "8"
    & skf18("6","4","9","5","9","5","1") = "8"
    & skf18("6","4","9","5","9","6","1") = "8"
    & skf18("6","4","9","5","9","7","1") = "8"
    & skf18("6","4","9","5","9","8","1") = "8"
    & skf18("6","4","9","5","9","9","1") = "8"
    & skf18("6","4","9","5","9","10","1") = "9"
    & skf18("6","4","9","5","10","1","1") = "9"
    & skf18("6","4","9","5","10","2","1") = "9"
    & skf18("6","4","9","5","10","3","1") = "9"
    & skf18("6","4","9","5","10","4","1") = "9"
    & skf18("6","4","9","5","10","5","1") = "9"
    & skf18("6","4","9","5","10","6","1") = "9"
    & skf18("6","4","9","5","10","7","1") = "9"
    & skf18("6","4","9","5","10","8","1") = "9"
    & skf18("6","4","9","5","10","9","1") = "9"
    & skf18("6","4","9","5","10","10","1") = "9"
    & skf18("6","4","9","6","1","1","1") = "8"
    & skf18("6","4","9","6","1","2","1") = "8"
    & skf18("6","4","9","6","1","3","1") = "8"
    & skf18("6","4","9","6","1","4","1") = "8"
    & skf18("6","4","9","6","1","5","1") = "8"
    & skf18("6","4","9","6","1","6","1") = "8"
    & skf18("6","4","9","6","1","7","1") = "8"
    & skf18("6","4","9","6","1","8","1") = "8"
    & skf18("6","4","9","6","1","9","1") = "8"
    & skf18("6","4","9","6","1","10","1") = "9"
    & skf18("6","4","9","6","2","1","1") = "8"
    & skf18("6","4","9","6","2","2","1") = "8"
    & skf18("6","4","9","6","2","3","1") = "8"
    & skf18("6","4","9","6","2","4","1") = "8"
    & skf18("6","4","9","6","2","5","1") = "8"
    & skf18("6","4","9","6","2","6","1") = "8"
    & skf18("6","4","9","6","2","7","1") = "8"
    & skf18("6","4","9","6","2","8","1") = "8"
    & skf18("6","4","9","6","2","9","1") = "8"
    & skf18("6","4","9","6","2","10","1") = "9"
    & skf18("6","4","9","6","3","1","1") = "8"
    & skf18("6","4","9","6","3","2","1") = "8"
    & skf18("6","4","9","6","3","3","1") = "8"
    & skf18("6","4","9","6","3","4","1") = "8"
    & skf18("6","4","9","6","3","5","1") = "8"
    & skf18("6","4","9","6","3","6","1") = "8"
    & skf18("6","4","9","6","3","7","1") = "8"
    & skf18("6","4","9","6","3","8","1") = "8"
    & skf18("6","4","9","6","3","9","1") = "8"
    & skf18("6","4","9","6","3","10","1") = "9"
    & skf18("6","4","9","6","4","1","1") = "8"
    & skf18("6","4","9","6","4","2","1") = "8"
    & skf18("6","4","9","6","4","3","1") = "8"
    & skf18("6","4","9","6","4","4","1") = "8"
    & skf18("6","4","9","6","4","5","1") = "8"
    & skf18("6","4","9","6","4","6","1") = "8"
    & skf18("6","4","9","6","4","7","1") = "8"
    & skf18("6","4","9","6","4","8","1") = "8"
    & skf18("6","4","9","6","4","9","1") = "8"
    & skf18("6","4","9","6","4","10","1") = "9"
    & skf18("6","4","9","6","5","1","1") = "8"
    & skf18("6","4","9","6","5","2","1") = "8"
    & skf18("6","4","9","6","5","3","1") = "8"
    & skf18("6","4","9","6","5","4","1") = "8"
    & skf18("6","4","9","6","5","5","1") = "8"
    & skf18("6","4","9","6","5","6","1") = "8"
    & skf18("6","4","9","6","5","7","1") = "8"
    & skf18("6","4","9","6","5","8","1") = "8"
    & skf18("6","4","9","6","5","9","1") = "8"
    & skf18("6","4","9","6","5","10","1") = "9"
    & skf18("6","4","9","6","6","1","1") = "8"
    & skf18("6","4","9","6","6","2","1") = "8"
    & skf18("6","4","9","6","6","3","1") = "8"
    & skf18("6","4","9","6","6","4","1") = "8"
    & skf18("6","4","9","6","6","5","1") = "8"
    & skf18("6","4","9","6","6","6","1") = "8"
    & skf18("6","4","9","6","6","7","1") = "8"
    & skf18("6","4","9","6","6","8","1") = "8"
    & skf18("6","4","9","6","6","9","1") = "8"
    & skf18("6","4","9","6","6","10","1") = "9"
    & skf18("6","4","9","6","7","1","1") = "8"
    & skf18("6","4","9","6","7","2","1") = "8"
    & skf18("6","4","9","6","7","3","1") = "8"
    & skf18("6","4","9","6","7","4","1") = "8"
    & skf18("6","4","9","6","7","5","1") = "8"
    & skf18("6","4","9","6","7","6","1") = "8"
    & skf18("6","4","9","6","7","7","1") = "8"
    & skf18("6","4","9","6","7","8","1") = "8"
    & skf18("6","4","9","6","7","9","1") = "8"
    & skf18("6","4","9","6","7","10","1") = "9"
    & skf18("6","4","9","6","8","1","1") = "8"
    & skf18("6","4","9","6","8","2","1") = "8"
    & skf18("6","4","9","6","8","3","1") = "8"
    & skf18("6","4","9","6","8","4","1") = "8"
    & skf18("6","4","9","6","8","5","1") = "8"
    & skf18("6","4","9","6","8","6","1") = "8"
    & skf18("6","4","9","6","8","7","1") = "8"
    & skf18("6","4","9","6","8","8","1") = "8"
    & skf18("6","4","9","6","8","9","1") = "8"
    & skf18("6","4","9","6","8","10","1") = "9"
    & skf18("6","4","9","6","9","1","1") = "8"
    & skf18("6","4","9","6","9","2","1") = "8"
    & skf18("6","4","9","6","9","3","1") = "8"
    & skf18("6","4","9","6","9","4","1") = "8"
    & skf18("6","4","9","6","9","5","1") = "8"
    & skf18("6","4","9","6","9","6","1") = "8"
    & skf18("6","4","9","6","9","7","1") = "8"
    & skf18("6","4","9","6","9","8","1") = "8"
    & skf18("6","4","9","6","9","9","1") = "8"
    & skf18("6","4","9","6","9","10","1") = "9"
    & skf18("6","4","9","6","10","1","1") = "9"
    & skf18("6","4","9","6","10","2","1") = "9"
    & skf18("6","4","9","6","10","3","1") = "9"
    & skf18("6","4","9","6","10","4","1") = "9"
    & skf18("6","4","9","6","10","5","1") = "9"
    & skf18("6","4","9","6","10","6","1") = "9"
    & skf18("6","4","9","6","10","7","1") = "9"
    & skf18("6","4","9","6","10","8","1") = "9"
    & skf18("6","4","9","6","10","9","1") = "9"
    & skf18("6","4","9","6","10","10","1") = "9"
    & skf18("6","4","9","7","1","1","1") = "8"
    & skf18("6","4","9","7","1","2","1") = "8"
    & skf18("6","4","9","7","1","3","1") = "8"
    & skf18("6","4","9","7","1","4","1") = "8"
    & skf18("6","4","9","7","1","5","1") = "8"
    & skf18("6","4","9","7","1","6","1") = "8"
    & skf18("6","4","9","7","1","7","1") = "8"
    & skf18("6","4","9","7","1","8","1") = "8"
    & skf18("6","4","9","7","1","9","1") = "8"
    & skf18("6","4","9","7","1","10","1") = "9"
    & skf18("6","4","9","7","2","1","1") = "8"
    & skf18("6","4","9","7","2","2","1") = "8"
    & skf18("6","4","9","7","2","3","1") = "8"
    & skf18("6","4","9","7","2","4","1") = "8"
    & skf18("6","4","9","7","2","5","1") = "8"
    & skf18("6","4","9","7","2","6","1") = "8"
    & skf18("6","4","9","7","2","7","1") = "8"
    & skf18("6","4","9","7","2","8","1") = "8"
    & skf18("6","4","9","7","2","9","1") = "8"
    & skf18("6","4","9","7","2","10","1") = "9"
    & skf18("6","4","9","7","3","1","1") = "8"
    & skf18("6","4","9","7","3","2","1") = "8"
    & skf18("6","4","9","7","3","3","1") = "8"
    & skf18("6","4","9","7","3","4","1") = "8"
    & skf18("6","4","9","7","3","5","1") = "8"
    & skf18("6","4","9","7","3","6","1") = "8"
    & skf18("6","4","9","7","3","7","1") = "8"
    & skf18("6","4","9","7","3","8","1") = "8"
    & skf18("6","4","9","7","3","9","1") = "8"
    & skf18("6","4","9","7","3","10","1") = "9"
    & skf18("6","4","9","7","4","1","1") = "8"
    & skf18("6","4","9","7","4","2","1") = "8"
    & skf18("6","4","9","7","4","3","1") = "8"
    & skf18("6","4","9","7","4","4","1") = "8"
    & skf18("6","4","9","7","4","5","1") = "8"
    & skf18("6","4","9","7","4","6","1") = "8"
    & skf18("6","4","9","7","4","7","1") = "8"
    & skf18("6","4","9","7","4","8","1") = "8"
    & skf18("6","4","9","7","4","9","1") = "8"
    & skf18("6","4","9","7","4","10","1") = "9"
    & skf18("6","4","9","7","5","1","1") = "8"
    & skf18("6","4","9","7","5","2","1") = "8"
    & skf18("6","4","9","7","5","3","1") = "8"
    & skf18("6","4","9","7","5","4","1") = "8"
    & skf18("6","4","9","7","5","5","1") = "8"
    & skf18("6","4","9","7","5","6","1") = "8"
    & skf18("6","4","9","7","5","7","1") = "8"
    & skf18("6","4","9","7","5","8","1") = "8"
    & skf18("6","4","9","7","5","9","1") = "8"
    & skf18("6","4","9","7","5","10","1") = "9"
    & skf18("6","4","9","7","6","1","1") = "8"
    & skf18("6","4","9","7","6","2","1") = "8"
    & skf18("6","4","9","7","6","3","1") = "8"
    & skf18("6","4","9","7","6","4","1") = "8"
    & skf18("6","4","9","7","6","5","1") = "8"
    & skf18("6","4","9","7","6","6","1") = "8"
    & skf18("6","4","9","7","6","7","1") = "8"
    & skf18("6","4","9","7","6","8","1") = "8"
    & skf18("6","4","9","7","6","9","1") = "8"
    & skf18("6","4","9","7","6","10","1") = "9"
    & skf18("6","4","9","7","7","1","1") = "8"
    & skf18("6","4","9","7","7","2","1") = "8"
    & skf18("6","4","9","7","7","3","1") = "8"
    & skf18("6","4","9","7","7","4","1") = "8"
    & skf18("6","4","9","7","7","5","1") = "8"
    & skf18("6","4","9","7","7","6","1") = "8"
    & skf18("6","4","9","7","7","7","1") = "8"
    & skf18("6","4","9","7","7","8","1") = "8"
    & skf18("6","4","9","7","7","9","1") = "8"
    & skf18("6","4","9","7","7","10","1") = "9"
    & skf18("6","4","9","7","8","1","1") = "8"
    & skf18("6","4","9","7","8","2","1") = "8"
    & skf18("6","4","9","7","8","3","1") = "8"
    & skf18("6","4","9","7","8","4","1") = "8"
    & skf18("6","4","9","7","8","5","1") = "8"
    & skf18("6","4","9","7","8","6","1") = "8"
    & skf18("6","4","9","7","8","7","1") = "8"
    & skf18("6","4","9","7","8","8","1") = "8"
    & skf18("6","4","9","7","8","9","1") = "8"
    & skf18("6","4","9","7","8","10","1") = "9"
    & skf18("6","4","9","7","9","1","1") = "8"
    & skf18("6","4","9","7","9","2","1") = "8"
    & skf18("6","4","9","7","9","3","1") = "8"
    & skf18("6","4","9","7","9","4","1") = "8"
    & skf18("6","4","9","7","9","5","1") = "8"
    & skf18("6","4","9","7","9","6","1") = "8"
    & skf18("6","4","9","7","9","7","1") = "8"
    & skf18("6","4","9","7","9","8","1") = "8"
    & skf18("6","4","9","7","9","9","1") = "8"
    & skf18("6","4","9","7","9","10","1") = "9"
    & skf18("6","4","9","7","10","1","1") = "9"
    & skf18("6","4","9","7","10","2","1") = "9"
    & skf18("6","4","9","7","10","3","1") = "9"
    & skf18("6","4","9","7","10","4","1") = "9"
    & skf18("6","4","9","7","10","5","1") = "9"
    & skf18("6","4","9","7","10","6","1") = "9"
    & skf18("6","4","9","7","10","7","1") = "9"
    & skf18("6","4","9","7","10","8","1") = "9"
    & skf18("6","4","9","7","10","9","1") = "9"
    & skf18("6","4","9","7","10","10","1") = "9"
    & skf18("6","4","9","8","1","1","1") = "8"
    & skf18("6","4","9","8","1","2","1") = "8"
    & skf18("6","4","9","8","1","3","1") = "8"
    & skf18("6","4","9","8","1","4","1") = "8"
    & skf18("6","4","9","8","1","5","1") = "8"
    & skf18("6","4","9","8","1","6","1") = "8"
    & skf18("6","4","9","8","1","7","1") = "8"
    & skf18("6","4","9","8","1","8","1") = "8"
    & skf18("6","4","9","8","1","9","1") = "8"
    & skf18("6","4","9","8","1","10","1") = "9"
    & skf18("6","4","9","8","2","1","1") = "8"
    & skf18("6","4","9","8","2","2","1") = "8"
    & skf18("6","4","9","8","2","3","1") = "8"
    & skf18("6","4","9","8","2","4","1") = "8"
    & skf18("6","4","9","8","2","5","1") = "8"
    & skf18("6","4","9","8","2","6","1") = "8"
    & skf18("6","4","9","8","2","7","1") = "8"
    & skf18("6","4","9","8","2","8","1") = "8"
    & skf18("6","4","9","8","2","9","1") = "8"
    & skf18("6","4","9","8","2","10","1") = "9"
    & skf18("6","4","9","8","3","1","1") = "8"
    & skf18("6","4","9","8","3","2","1") = "8"
    & skf18("6","4","9","8","3","3","1") = "8"
    & skf18("6","4","9","8","3","4","1") = "8"
    & skf18("6","4","9","8","3","5","1") = "8"
    & skf18("6","4","9","8","3","6","1") = "8"
    & skf18("6","4","9","8","3","7","1") = "8"
    & skf18("6","4","9","8","3","8","1") = "8"
    & skf18("6","4","9","8","3","9","1") = "8"
    & skf18("6","4","9","8","3","10","1") = "9"
    & skf18("6","4","9","8","4","1","1") = "8"
    & skf18("6","4","9","8","4","2","1") = "8"
    & skf18("6","4","9","8","4","3","1") = "8"
    & skf18("6","4","9","8","4","4","1") = "8"
    & skf18("6","4","9","8","4","5","1") = "8"
    & skf18("6","4","9","8","4","6","1") = "8"
    & skf18("6","4","9","8","4","7","1") = "8"
    & skf18("6","4","9","8","4","8","1") = "8"
    & skf18("6","4","9","8","4","9","1") = "8"
    & skf18("6","4","9","8","4","10","1") = "9"
    & skf18("6","4","9","8","5","1","1") = "8"
    & skf18("6","4","9","8","5","2","1") = "8"
    & skf18("6","4","9","8","5","3","1") = "8"
    & skf18("6","4","9","8","5","4","1") = "8"
    & skf18("6","4","9","8","5","5","1") = "8"
    & skf18("6","4","9","8","5","6","1") = "8"
    & skf18("6","4","9","8","5","7","1") = "8"
    & skf18("6","4","9","8","5","8","1") = "8"
    & skf18("6","4","9","8","5","9","1") = "8"
    & skf18("6","4","9","8","5","10","1") = "9"
    & skf18("6","4","9","8","6","1","1") = "8"
    & skf18("6","4","9","8","6","2","1") = "8"
    & skf18("6","4","9","8","6","3","1") = "8"
    & skf18("6","4","9","8","6","4","1") = "8"
    & skf18("6","4","9","8","6","5","1") = "8"
    & skf18("6","4","9","8","6","6","1") = "8"
    & skf18("6","4","9","8","6","7","1") = "8"
    & skf18("6","4","9","8","6","8","1") = "8"
    & skf18("6","4","9","8","6","9","1") = "8"
    & skf18("6","4","9","8","6","10","1") = "9"
    & skf18("6","4","9","8","7","1","1") = "8"
    & skf18("6","4","9","8","7","2","1") = "8"
    & skf18("6","4","9","8","7","3","1") = "8"
    & skf18("6","4","9","8","7","4","1") = "8"
    & skf18("6","4","9","8","7","5","1") = "8"
    & skf18("6","4","9","8","7","6","1") = "8"
    & skf18("6","4","9","8","7","7","1") = "8"
    & skf18("6","4","9","8","7","8","1") = "8"
    & skf18("6","4","9","8","7","9","1") = "8"
    & skf18("6","4","9","8","7","10","1") = "9"
    & skf18("6","4","9","8","8","1","1") = "8"
    & skf18("6","4","9","8","8","2","1") = "8"
    & skf18("6","4","9","8","8","3","1") = "8"
    & skf18("6","4","9","8","8","4","1") = "8"
    & skf18("6","4","9","8","8","5","1") = "8"
    & skf18("6","4","9","8","8","6","1") = "8"
    & skf18("6","4","9","8","8","7","1") = "8"
    & skf18("6","4","9","8","8","8","1") = "8"
    & skf18("6","4","9","8","8","9","1") = "8"
    & skf18("6","4","9","8","8","10","1") = "9"
    & skf18("6","4","9","8","9","1","1") = "8"
    & skf18("6","4","9","8","9","2","1") = "8"
    & skf18("6","4","9","8","9","3","1") = "8"
    & skf18("6","4","9","8","9","4","1") = "8"
    & skf18("6","4","9","8","9","5","1") = "8"
    & skf18("6","4","9","8","9","6","1") = "8"
    & skf18("6","4","9","8","9","7","1") = "8"
    & skf18("6","4","9","8","9","8","1") = "8"
    & skf18("6","4","9","8","9","9","1") = "8"
    & skf18("6","4","9","8","9","10","1") = "9"
    & skf18("6","4","9","8","10","1","1") = "9"
    & skf18("6","4","9","8","10","2","1") = "9"
    & skf18("6","4","9","8","10","3","1") = "9"
    & skf18("6","4","9","8","10","4","1") = "9"
    & skf18("6","4","9","8","10","5","1") = "9"
    & skf18("6","4","9","8","10","6","1") = "9"
    & skf18("6","4","9","8","10","7","1") = "9"
    & skf18("6","4","9","8","10","8","1") = "9"
    & skf18("6","4","9","8","10","9","1") = "9"
    & skf18("6","4","9","8","10","10","1") = "9"
    & skf18("6","4","9","9","1","1","1") = "8"
    & skf18("6","4","9","9","1","2","1") = "8"
    & skf18("6","4","9","9","1","3","1") = "8"
    & skf18("6","4","9","9","1","4","1") = "8"
    & skf18("6","4","9","9","1","5","1") = "8"
    & skf18("6","4","9","9","1","6","1") = "8"
    & skf18("6","4","9","9","1","7","1") = "8"
    & skf18("6","4","9","9","1","8","1") = "8"
    & skf18("6","4","9","9","1","9","1") = "8"
    & skf18("6","4","9","9","1","10","1") = "9"
    & skf18("6","4","9","9","2","1","1") = "8"
    & skf18("6","4","9","9","2","2","1") = "8"
    & skf18("6","4","9","9","2","3","1") = "8"
    & skf18("6","4","9","9","2","4","1") = "8"
    & skf18("6","4","9","9","2","5","1") = "8"
    & skf18("6","4","9","9","2","6","1") = "8"
    & skf18("6","4","9","9","2","7","1") = "8"
    & skf18("6","4","9","9","2","8","1") = "8"
    & skf18("6","4","9","9","2","9","1") = "8"
    & skf18("6","4","9","9","2","10","1") = "9"
    & skf18("6","4","9","9","3","1","1") = "8"
    & skf18("6","4","9","9","3","2","1") = "8"
    & skf18("6","4","9","9","3","3","1") = "8"
    & skf18("6","4","9","9","3","4","1") = "8"
    & skf18("6","4","9","9","3","5","1") = "8"
    & skf18("6","4","9","9","3","6","1") = "8"
    & skf18("6","4","9","9","3","7","1") = "8"
    & skf18("6","4","9","9","3","8","1") = "8"
    & skf18("6","4","9","9","3","9","1") = "8"
    & skf18("6","4","9","9","3","10","1") = "9"
    & skf18("6","4","9","9","4","1","1") = "8"
    & skf18("6","4","9","9","4","2","1") = "8"
    & skf18("6","4","9","9","4","3","1") = "8"
    & skf18("6","4","9","9","4","4","1") = "8"
    & skf18("6","4","9","9","4","5","1") = "8"
    & skf18("6","4","9","9","4","6","1") = "8"
    & skf18("6","4","9","9","4","7","1") = "8"
    & skf18("6","4","9","9","4","8","1") = "8"
    & skf18("6","4","9","9","4","9","1") = "8"
    & skf18("6","4","9","9","4","10","1") = "9"
    & skf18("6","4","9","9","5","1","1") = "8"
    & skf18("6","4","9","9","5","2","1") = "8"
    & skf18("6","4","9","9","5","3","1") = "8"
    & skf18("6","4","9","9","5","4","1") = "8"
    & skf18("6","4","9","9","5","5","1") = "8"
    & skf18("6","4","9","9","5","6","1") = "8"
    & skf18("6","4","9","9","5","7","1") = "8"
    & skf18("6","4","9","9","5","8","1") = "8"
    & skf18("6","4","9","9","5","9","1") = "8"
    & skf18("6","4","9","9","5","10","1") = "9"
    & skf18("6","4","9","9","6","1","1") = "8"
    & skf18("6","4","9","9","6","2","1") = "8"
    & skf18("6","4","9","9","6","3","1") = "8"
    & skf18("6","4","9","9","6","4","1") = "8"
    & skf18("6","4","9","9","6","5","1") = "8"
    & skf18("6","4","9","9","6","6","1") = "8"
    & skf18("6","4","9","9","6","7","1") = "8"
    & skf18("6","4","9","9","6","8","1") = "8"
    & skf18("6","4","9","9","6","9","1") = "8"
    & skf18("6","4","9","9","6","10","1") = "9"
    & skf18("6","4","9","9","7","1","1") = "8"
    & skf18("6","4","9","9","7","2","1") = "8"
    & skf18("6","4","9","9","7","3","1") = "8"
    & skf18("6","4","9","9","7","4","1") = "8"
    & skf18("6","4","9","9","7","5","1") = "8"
    & skf18("6","4","9","9","7","6","1") = "8"
    & skf18("6","4","9","9","7","7","1") = "8"
    & skf18("6","4","9","9","7","8","1") = "8"
    & skf18("6","4","9","9","7","9","1") = "8"
    & skf18("6","4","9","9","7","10","1") = "9"
    & skf18("6","4","9","9","8","1","1") = "8"
    & skf18("6","4","9","9","8","2","1") = "8"
    & skf18("6","4","9","9","8","3","1") = "8"
    & skf18("6","4","9","9","8","4","1") = "8"
    & skf18("6","4","9","9","8","5","1") = "8"
    & skf18("6","4","9","9","8","6","1") = "8"
    & skf18("6","4","9","9","8","7","1") = "8"
    & skf18("6","4","9","9","8","8","1") = "8"
    & skf18("6","4","9","9","8","9","1") = "8"
    & skf18("6","4","9","9","8","10","1") = "9"
    & skf18("6","4","9","9","9","1","1") = "8"
    & skf18("6","4","9","9","9","2","1") = "8"
    & skf18("6","4","9","9","9","3","1") = "8"
    & skf18("6","4","9","9","9","4","1") = "8"
    & skf18("6","4","9","9","9","5","1") = "8"
    & skf18("6","4","9","9","9","6","1") = "8"
    & skf18("6","4","9","9","9","7","1") = "8"
    & skf18("6","4","9","9","9","8","1") = "8"
    & skf18("6","4","9","9","9","9","1") = "8"
    & skf18("6","4","9","9","9","10","1") = "9"
    & skf18("6","4","9","9","10","1","1") = "9"
    & skf18("6","4","9","9","10","2","1") = "9"
    & skf18("6","4","9","9","10","3","1") = "9"
    & skf18("6","4","9","9","10","4","1") = "9"
    & skf18("6","4","9","9","10","5","1") = "9"
    & skf18("6","4","9","9","10","6","1") = "9"
    & skf18("6","4","9","9","10","7","1") = "9"
    & skf18("6","4","9","9","10","8","1") = "9"
    & skf18("6","4","9","9","10","9","1") = "9"
    & skf18("6","4","9","9","10","10","1") = "9"
    & skf18("6","4","9","10","1","1","1") = "9"
    & skf18("6","4","9","10","1","2","1") = "9"
    & skf18("6","4","9","10","1","3","1") = "9"
    & skf18("6","4","9","10","1","4","1") = "9"
    & skf18("6","4","9","10","1","5","1") = "9"
    & skf18("6","4","9","10","1","6","1") = "9"
    & skf18("6","4","9","10","1","7","1") = "9"
    & skf18("6","4","9","10","1","8","1") = "9"
    & skf18("6","4","9","10","1","9","1") = "9"
    & skf18("6","4","9","10","1","10","1") = "9"
    & skf18("6","4","9","10","2","1","1") = "9"
    & skf18("6","4","9","10","2","2","1") = "9"
    & skf18("6","4","9","10","2","3","1") = "9"
    & skf18("6","4","9","10","2","4","1") = "9"
    & skf18("6","4","9","10","2","5","1") = "9"
    & skf18("6","4","9","10","2","6","1") = "9"
    & skf18("6","4","9","10","2","7","1") = "9"
    & skf18("6","4","9","10","2","8","1") = "9"
    & skf18("6","4","9","10","2","9","1") = "9"
    & skf18("6","4","9","10","2","10","1") = "9"
    & skf18("6","4","9","10","3","1","1") = "9"
    & skf18("6","4","9","10","3","2","1") = "9"
    & skf18("6","4","9","10","3","3","1") = "9"
    & skf18("6","4","9","10","3","4","1") = "9"
    & skf18("6","4","9","10","3","5","1") = "9"
    & skf18("6","4","9","10","3","6","1") = "9"
    & skf18("6","4","9","10","3","7","1") = "9"
    & skf18("6","4","9","10","3","8","1") = "9"
    & skf18("6","4","9","10","3","9","1") = "9"
    & skf18("6","4","9","10","3","10","1") = "9"
    & skf18("6","4","9","10","4","1","1") = "9"
    & skf18("6","4","9","10","4","2","1") = "9"
    & skf18("6","4","9","10","4","3","1") = "9"
    & skf18("6","4","9","10","4","4","1") = "9"
    & skf18("6","4","9","10","4","5","1") = "9"
    & skf18("6","4","9","10","4","6","1") = "9"
    & skf18("6","4","9","10","4","7","1") = "9"
    & skf18("6","4","9","10","4","8","1") = "9"
    & skf18("6","4","9","10","4","9","1") = "9"
    & skf18("6","4","9","10","4","10","1") = "9"
    & skf18("6","4","9","10","5","1","1") = "9"
    & skf18("6","4","9","10","5","2","1") = "9"
    & skf18("6","4","9","10","5","3","1") = "9"
    & skf18("6","4","9","10","5","4","1") = "9"
    & skf18("6","4","9","10","5","5","1") = "9"
    & skf18("6","4","9","10","5","6","1") = "9"
    & skf18("6","4","9","10","5","7","1") = "9"
    & skf18("6","4","9","10","5","8","1") = "9"
    & skf18("6","4","9","10","5","9","1") = "9"
    & skf18("6","4","9","10","5","10","1") = "9"
    & skf18("6","4","9","10","6","1","1") = "9"
    & skf18("6","4","9","10","6","2","1") = "9"
    & skf18("6","4","9","10","6","3","1") = "9"
    & skf18("6","4","9","10","6","4","1") = "9"
    & skf18("6","4","9","10","6","5","1") = "9"
    & skf18("6","4","9","10","6","6","1") = "9"
    & skf18("6","4","9","10","6","7","1") = "9"
    & skf18("6","4","9","10","6","8","1") = "9"
    & skf18("6","4","9","10","6","9","1") = "9"
    & skf18("6","4","9","10","6","10","1") = "9"
    & skf18("6","4","9","10","7","1","1") = "9"
    & skf18("6","4","9","10","7","2","1") = "9"
    & skf18("6","4","9","10","7","3","1") = "9"
    & skf18("6","4","9","10","7","4","1") = "9"
    & skf18("6","4","9","10","7","5","1") = "9"
    & skf18("6","4","9","10","7","6","1") = "9"
    & skf18("6","4","9","10","7","7","1") = "9"
    & skf18("6","4","9","10","7","8","1") = "9"
    & skf18("6","4","9","10","7","9","1") = "9"
    & skf18("6","4","9","10","7","10","1") = "9"
    & skf18("6","4","9","10","8","1","1") = "9"
    & skf18("6","4","9","10","8","2","1") = "9"
    & skf18("6","4","9","10","8","3","1") = "9"
    & skf18("6","4","9","10","8","4","1") = "9"
    & skf18("6","4","9","10","8","5","1") = "9"
    & skf18("6","4","9","10","8","6","1") = "9"
    & skf18("6","4","9","10","8","7","1") = "9"
    & skf18("6","4","9","10","8","8","1") = "9"
    & skf18("6","4","9","10","8","9","1") = "9"
    & skf18("6","4","9","10","8","10","1") = "9"
    & skf18("6","4","9","10","9","1","1") = "9"
    & skf18("6","4","9","10","9","2","1") = "9"
    & skf18("6","4","9","10","9","3","1") = "9"
    & skf18("6","4","9","10","9","4","1") = "9"
    & skf18("6","4","9","10","9","5","1") = "9"
    & skf18("6","4","9","10","9","6","1") = "9"
    & skf18("6","4","9","10","9","7","1") = "9"
    & skf18("6","4","9","10","9","8","1") = "9"
    & skf18("6","4","9","10","9","9","1") = "9"
    & skf18("6","4","9","10","9","10","1") = "9"
    & skf18("6","4","9","10","10","1","1") = "9"
    & skf18("6","4","9","10","10","2","1") = "9"
    & skf18("6","4","9","10","10","3","1") = "9"
    & skf18("6","4","9","10","10","4","1") = "9"
    & skf18("6","4","9","10","10","5","1") = "9"
    & skf18("6","4","9","10","10","6","1") = "9"
    & skf18("6","4","9","10","10","7","1") = "9"
    & skf18("6","4","9","10","10","8","1") = "9"
    & skf18("6","4","9","10","10","9","1") = "9"
    & skf18("6","4","9","10","10","10","1") = "9"
    & skf18("6","4","10","1","1","1","1") = "9"
    & skf18("6","4","10","1","1","2","1") = "9"
    & skf18("6","4","10","1","1","3","1") = "9"
    & skf18("6","4","10","1","1","4","1") = "9"
    & skf18("6","4","10","1","1","5","1") = "9"
    & skf18("6","4","10","1","1","6","1") = "9"
    & skf18("6","4","10","1","1","7","1") = "9"
    & skf18("6","4","10","1","1","8","1") = "9"
    & skf18("6","4","10","1","1","9","1") = "9"
    & skf18("6","4","10","1","1","10","1") = "9"
    & skf18("6","4","10","1","2","1","1") = "9"
    & skf18("6","4","10","1","2","2","1") = "9"
    & skf18("6","4","10","1","2","3","1") = "9"
    & skf18("6","4","10","1","2","4","1") = "9"
    & skf18("6","4","10","1","2","5","1") = "9"
    & skf18("6","4","10","1","2","6","1") = "9"
    & skf18("6","4","10","1","2","7","1") = "9"
    & skf18("6","4","10","1","2","8","1") = "9"
    & skf18("6","4","10","1","2","9","1") = "9"
    & skf18("6","4","10","1","2","10","1") = "9"
    & skf18("6","4","10","1","3","1","1") = "9"
    & skf18("6","4","10","1","3","2","1") = "9"
    & skf18("6","4","10","1","3","3","1") = "9"
    & skf18("6","4","10","1","3","4","1") = "9"
    & skf18("6","4","10","1","3","5","1") = "9"
    & skf18("6","4","10","1","3","6","1") = "9"
    & skf18("6","4","10","1","3","7","1") = "9"
    & skf18("6","4","10","1","3","8","1") = "9"
    & skf18("6","4","10","1","3","9","1") = "9"
    & skf18("6","4","10","1","3","10","1") = "9"
    & skf18("6","4","10","1","4","1","1") = "9"
    & skf18("6","4","10","1","4","2","1") = "9"
    & skf18("6","4","10","1","4","3","1") = "9"
    & skf18("6","4","10","1","4","4","1") = "9"
    & skf18("6","4","10","1","4","5","1") = "9"
    & skf18("6","4","10","1","4","6","1") = "9"
    & skf18("6","4","10","1","4","7","1") = "9"
    & skf18("6","4","10","1","4","8","1") = "9"
    & skf18("6","4","10","1","4","9","1") = "9"
    & skf18("6","4","10","1","4","10","1") = "9"
    & skf18("6","4","10","1","5","1","1") = "9"
    & skf18("6","4","10","1","5","2","1") = "9"
    & skf18("6","4","10","1","5","3","1") = "9"
    & skf18("6","4","10","1","5","4","1") = "9"
    & skf18("6","4","10","1","5","5","1") = "9"
    & skf18("6","4","10","1","5","6","1") = "9"
    & skf18("6","4","10","1","5","7","1") = "9"
    & skf18("6","4","10","1","5","8","1") = "9"
    & skf18("6","4","10","1","5","9","1") = "9"
    & skf18("6","4","10","1","5","10","1") = "9"
    & skf18("6","4","10","1","6","1","1") = "9"
    & skf18("6","4","10","1","6","2","1") = "9"
    & skf18("6","4","10","1","6","3","1") = "9"
    & skf18("6","4","10","1","6","4","1") = "9"
    & skf18("6","4","10","1","6","5","1") = "9"
    & skf18("6","4","10","1","6","6","1") = "9"
    & skf18("6","4","10","1","6","7","1") = "9"
    & skf18("6","4","10","1","6","8","1") = "9"
    & skf18("6","4","10","1","6","9","1") = "9"
    & skf18("6","4","10","1","6","10","1") = "9"
    & skf18("6","4","10","1","7","1","1") = "9"
    & skf18("6","4","10","1","7","2","1") = "9"
    & skf18("6","4","10","1","7","3","1") = "9"
    & skf18("6","4","10","1","7","4","1") = "9"
    & skf18("6","4","10","1","7","5","1") = "9"
    & skf18("6","4","10","1","7","6","1") = "9"
    & skf18("6","4","10","1","7","7","1") = "9"
    & skf18("6","4","10","1","7","8","1") = "9"
    & skf18("6","4","10","1","7","9","1") = "9"
    & skf18("6","4","10","1","7","10","1") = "9"
    & skf18("6","4","10","1","8","1","1") = "9"
    & skf18("6","4","10","1","8","2","1") = "9"
    & skf18("6","4","10","1","8","3","1") = "9"
    & skf18("6","4","10","1","8","4","1") = "9"
    & skf18("6","4","10","1","8","5","1") = "9"
    & skf18("6","4","10","1","8","6","1") = "9"
    & skf18("6","4","10","1","8","7","1") = "9"
    & skf18("6","4","10","1","8","8","1") = "9"
    & skf18("6","4","10","1","8","9","1") = "9"
    & skf18("6","4","10","1","8","10","1") = "9"
    & skf18("6","4","10","1","9","1","1") = "9"
    & skf18("6","4","10","1","9","2","1") = "9"
    & skf18("6","4","10","1","9","3","1") = "9"
    & skf18("6","4","10","1","9","4","1") = "9"
    & skf18("6","4","10","1","9","5","1") = "9"
    & skf18("6","4","10","1","9","6","1") = "9"
    & skf18("6","4","10","1","9","7","1") = "9"
    & skf18("6","4","10","1","9","8","1") = "9"
    & skf18("6","4","10","1","9","9","1") = "9"
    & skf18("6","4","10","1","9","10","1") = "9"
    & skf18("6","4","10","1","10","1","1") = "9"
    & skf18("6","4","10","1","10","2","1") = "9"
    & skf18("6","4","10","1","10","3","1") = "9"
    & skf18("6","4","10","1","10","4","1") = "9"
    & skf18("6","4","10","1","10","5","1") = "9"
    & skf18("6","4","10","1","10","6","1") = "9"
    & skf18("6","4","10","1","10","7","1") = "9"
    & skf18("6","4","10","1","10","8","1") = "9"
    & skf18("6","4","10","1","10","9","1") = "9"
    & skf18("6","4","10","1","10","10","1") = "9"
    & skf18("6","4","10","2","1","1","1") = "9"
    & skf18("6","4","10","2","1","2","1") = "9"
    & skf18("6","4","10","2","1","3","1") = "9"
    & skf18("6","4","10","2","1","4","1") = "9"
    & skf18("6","4","10","2","1","5","1") = "9"
    & skf18("6","4","10","2","1","6","1") = "9"
    & skf18("6","4","10","2","1","7","1") = "9"
    & skf18("6","4","10","2","1","8","1") = "9"
    & skf18("6","4","10","2","1","9","1") = "9"
    & skf18("6","4","10","2","1","10","1") = "9"
    & skf18("6","4","10","2","2","1","1") = "9"
    & skf18("6","4","10","2","2","2","1") = "9"
    & skf18("6","4","10","2","2","3","1") = "9"
    & skf18("6","4","10","2","2","4","1") = "9"
    & skf18("6","4","10","2","2","5","1") = "9"
    & skf18("6","4","10","2","2","6","1") = "9"
    & skf18("6","4","10","2","2","7","1") = "9"
    & skf18("6","4","10","2","2","8","1") = "9"
    & skf18("6","4","10","2","2","9","1") = "9"
    & skf18("6","4","10","2","2","10","1") = "9"
    & skf18("6","4","10","2","3","1","1") = "9"
    & skf18("6","4","10","2","3","2","1") = "9"
    & skf18("6","4","10","2","3","3","1") = "9"
    & skf18("6","4","10","2","3","4","1") = "9"
    & skf18("6","4","10","2","3","5","1") = "9"
    & skf18("6","4","10","2","3","6","1") = "9"
    & skf18("6","4","10","2","3","7","1") = "9"
    & skf18("6","4","10","2","3","8","1") = "9"
    & skf18("6","4","10","2","3","9","1") = "9"
    & skf18("6","4","10","2","3","10","1") = "9"
    & skf18("6","4","10","2","4","1","1") = "9"
    & skf18("6","4","10","2","4","2","1") = "9"
    & skf18("6","4","10","2","4","3","1") = "9"
    & skf18("6","4","10","2","4","4","1") = "9"
    & skf18("6","4","10","2","4","5","1") = "9"
    & skf18("6","4","10","2","4","6","1") = "9"
    & skf18("6","4","10","2","4","7","1") = "9"
    & skf18("6","4","10","2","4","8","1") = "9"
    & skf18("6","4","10","2","4","9","1") = "9"
    & skf18("6","4","10","2","4","10","1") = "9"
    & skf18("6","4","10","2","5","1","1") = "9"
    & skf18("6","4","10","2","5","2","1") = "9"
    & skf18("6","4","10","2","5","3","1") = "9"
    & skf18("6","4","10","2","5","4","1") = "9"
    & skf18("6","4","10","2","5","5","1") = "9"
    & skf18("6","4","10","2","5","6","1") = "9"
    & skf18("6","4","10","2","5","7","1") = "9"
    & skf18("6","4","10","2","5","8","1") = "9"
    & skf18("6","4","10","2","5","9","1") = "9"
    & skf18("6","4","10","2","5","10","1") = "9"
    & skf18("6","4","10","2","6","1","1") = "9"
    & skf18("6","4","10","2","6","2","1") = "9"
    & skf18("6","4","10","2","6","3","1") = "9"
    & skf18("6","4","10","2","6","4","1") = "9"
    & skf18("6","4","10","2","6","5","1") = "9"
    & skf18("6","4","10","2","6","6","1") = "9"
    & skf18("6","4","10","2","6","7","1") = "9"
    & skf18("6","4","10","2","6","8","1") = "9"
    & skf18("6","4","10","2","6","9","1") = "9"
    & skf18("6","4","10","2","6","10","1") = "9"
    & skf18("6","4","10","2","7","1","1") = "9"
    & skf18("6","4","10","2","7","2","1") = "9"
    & skf18("6","4","10","2","7","3","1") = "9"
    & skf18("6","4","10","2","7","4","1") = "9"
    & skf18("6","4","10","2","7","5","1") = "9"
    & skf18("6","4","10","2","7","6","1") = "9"
    & skf18("6","4","10","2","7","7","1") = "9"
    & skf18("6","4","10","2","7","8","1") = "9"
    & skf18("6","4","10","2","7","9","1") = "9"
    & skf18("6","4","10","2","7","10","1") = "9"
    & skf18("6","4","10","2","8","1","1") = "9"
    & skf18("6","4","10","2","8","2","1") = "9"
    & skf18("6","4","10","2","8","3","1") = "9"
    & skf18("6","4","10","2","8","4","1") = "9"
    & skf18("6","4","10","2","8","5","1") = "9"
    & skf18("6","4","10","2","8","6","1") = "9"
    & skf18("6","4","10","2","8","7","1") = "9"
    & skf18("6","4","10","2","8","8","1") = "9"
    & skf18("6","4","10","2","8","9","1") = "9"
    & skf18("6","4","10","2","8","10","1") = "9"
    & skf18("6","4","10","2","9","1","1") = "9"
    & skf18("6","4","10","2","9","2","1") = "9"
    & skf18("6","4","10","2","9","3","1") = "9"
    & skf18("6","4","10","2","9","4","1") = "9"
    & skf18("6","4","10","2","9","5","1") = "9"
    & skf18("6","4","10","2","9","6","1") = "9"
    & skf18("6","4","10","2","9","7","1") = "9"
    & skf18("6","4","10","2","9","8","1") = "9"
    & skf18("6","4","10","2","9","9","1") = "9"
    & skf18("6","4","10","2","9","10","1") = "9"
    & skf18("6","4","10","2","10","1","1") = "9"
    & skf18("6","4","10","2","10","2","1") = "9"
    & skf18("6","4","10","2","10","3","1") = "9"
    & skf18("6","4","10","2","10","4","1") = "9"
    & skf18("6","4","10","2","10","5","1") = "9"
    & skf18("6","4","10","2","10","6","1") = "9"
    & skf18("6","4","10","2","10","7","1") = "9"
    & skf18("6","4","10","2","10","8","1") = "9"
    & skf18("6","4","10","2","10","9","1") = "9"
    & skf18("6","4","10","2","10","10","1") = "9"
    & skf18("6","4","10","3","1","1","1") = "9"
    & skf18("6","4","10","3","1","2","1") = "9"
    & skf18("6","4","10","3","1","3","1") = "9"
    & skf18("6","4","10","3","1","4","1") = "9"
    & skf18("6","4","10","3","1","5","1") = "9"
    & skf18("6","4","10","3","1","6","1") = "9"
    & skf18("6","4","10","3","1","7","1") = "9"
    & skf18("6","4","10","3","1","8","1") = "9"
    & skf18("6","4","10","3","1","9","1") = "9"
    & skf18("6","4","10","3","1","10","1") = "9"
    & skf18("6","4","10","3","2","1","1") = "9"
    & skf18("6","4","10","3","2","2","1") = "9"
    & skf18("6","4","10","3","2","3","1") = "9"
    & skf18("6","4","10","3","2","4","1") = "9"
    & skf18("6","4","10","3","2","5","1") = "9"
    & skf18("6","4","10","3","2","6","1") = "9"
    & skf18("6","4","10","3","2","7","1") = "9"
    & skf18("6","4","10","3","2","8","1") = "9"
    & skf18("6","4","10","3","2","9","1") = "9"
    & skf18("6","4","10","3","2","10","1") = "9"
    & skf18("6","4","10","3","3","1","1") = "9"
    & skf18("6","4","10","3","3","2","1") = "9"
    & skf18("6","4","10","3","3","3","1") = "9"
    & skf18("6","4","10","3","3","4","1") = "9"
    & skf18("6","4","10","3","3","5","1") = "9"
    & skf18("6","4","10","3","3","6","1") = "9"
    & skf18("6","4","10","3","3","7","1") = "9"
    & skf18("6","4","10","3","3","8","1") = "9"
    & skf18("6","4","10","3","3","9","1") = "9"
    & skf18("6","4","10","3","3","10","1") = "9"
    & skf18("6","4","10","3","4","1","1") = "9"
    & skf18("6","4","10","3","4","2","1") = "9"
    & skf18("6","4","10","3","4","3","1") = "9"
    & skf18("6","4","10","3","4","4","1") = "9"
    & skf18("6","4","10","3","4","5","1") = "9"
    & skf18("6","4","10","3","4","6","1") = "9"
    & skf18("6","4","10","3","4","7","1") = "9"
    & skf18("6","4","10","3","4","8","1") = "9"
    & skf18("6","4","10","3","4","9","1") = "9"
    & skf18("6","4","10","3","4","10","1") = "9"
    & skf18("6","4","10","3","5","1","1") = "9"
    & skf18("6","4","10","3","5","2","1") = "9"
    & skf18("6","4","10","3","5","3","1") = "9"
    & skf18("6","4","10","3","5","4","1") = "9"
    & skf18("6","4","10","3","5","5","1") = "9"
    & skf18("6","4","10","3","5","6","1") = "9"
    & skf18("6","4","10","3","5","7","1") = "9"
    & skf18("6","4","10","3","5","8","1") = "9"
    & skf18("6","4","10","3","5","9","1") = "9"
    & skf18("6","4","10","3","5","10","1") = "9"
    & skf18("6","4","10","3","6","1","1") = "9"
    & skf18("6","4","10","3","6","2","1") = "9"
    & skf18("6","4","10","3","6","3","1") = "9"
    & skf18("6","4","10","3","6","4","1") = "9"
    & skf18("6","4","10","3","6","5","1") = "9"
    & skf18("6","4","10","3","6","6","1") = "9"
    & skf18("6","4","10","3","6","7","1") = "9"
    & skf18("6","4","10","3","6","8","1") = "9"
    & skf18("6","4","10","3","6","9","1") = "9"
    & skf18("6","4","10","3","6","10","1") = "9"
    & skf18("6","4","10","3","7","1","1") = "9"
    & skf18("6","4","10","3","7","2","1") = "9"
    & skf18("6","4","10","3","7","3","1") = "9"
    & skf18("6","4","10","3","7","4","1") = "9"
    & skf18("6","4","10","3","7","5","1") = "9"
    & skf18("6","4","10","3","7","6","1") = "9"
    & skf18("6","4","10","3","7","7","1") = "9"
    & skf18("6","4","10","3","7","8","1") = "9"
    & skf18("6","4","10","3","7","9","1") = "9"
    & skf18("6","4","10","3","7","10","1") = "9"
    & skf18("6","4","10","3","8","1","1") = "9"
    & skf18("6","4","10","3","8","2","1") = "9"
    & skf18("6","4","10","3","8","3","1") = "9"
    & skf18("6","4","10","3","8","4","1") = "9"
    & skf18("6","4","10","3","8","5","1") = "9"
    & skf18("6","4","10","3","8","6","1") = "9"
    & skf18("6","4","10","3","8","7","1") = "9"
    & skf18("6","4","10","3","8","8","1") = "9"
    & skf18("6","4","10","3","8","9","1") = "9"
    & skf18("6","4","10","3","8","10","1") = "9"
    & skf18("6","4","10","3","9","1","1") = "9"
    & skf18("6","4","10","3","9","2","1") = "9"
    & skf18("6","4","10","3","9","3","1") = "9"
    & skf18("6","4","10","3","9","4","1") = "9"
    & skf18("6","4","10","3","9","5","1") = "9"
    & skf18("6","4","10","3","9","6","1") = "9"
    & skf18("6","4","10","3","9","7","1") = "9"
    & skf18("6","4","10","3","9","8","1") = "9"
    & skf18("6","4","10","3","9","9","1") = "9"
    & skf18("6","4","10","3","9","10","1") = "9"
    & skf18("6","4","10","3","10","1","1") = "9"
    & skf18("6","4","10","3","10","2","1") = "9"
    & skf18("6","4","10","3","10","3","1") = "9"
    & skf18("6","4","10","3","10","4","1") = "9"
    & skf18("6","4","10","3","10","5","1") = "9"
    & skf18("6","4","10","3","10","6","1") = "9"
    & skf18("6","4","10","3","10","7","1") = "9"
    & skf18("6","4","10","3","10","8","1") = "9"
    & skf18("6","4","10","3","10","9","1") = "9"
    & skf18("6","4","10","3","10","10","1") = "9"
    & skf18("6","4","10","4","1","1","1") = "9"
    & skf18("6","4","10","4","1","2","1") = "9"
    & skf18("6","4","10","4","1","3","1") = "9"
    & skf18("6","4","10","4","1","4","1") = "9"
    & skf18("6","4","10","4","1","5","1") = "9"
    & skf18("6","4","10","4","1","6","1") = "9"
    & skf18("6","4","10","4","1","7","1") = "9"
    & skf18("6","4","10","4","1","8","1") = "9"
    & skf18("6","4","10","4","1","9","1") = "9"
    & skf18("6","4","10","4","1","10","1") = "9"
    & skf18("6","4","10","4","2","1","1") = "9"
    & skf18("6","4","10","4","2","2","1") = "9"
    & skf18("6","4","10","4","2","3","1") = "9"
    & skf18("6","4","10","4","2","4","1") = "9"
    & skf18("6","4","10","4","2","5","1") = "9"
    & skf18("6","4","10","4","2","6","1") = "9"
    & skf18("6","4","10","4","2","7","1") = "9"
    & skf18("6","4","10","4","2","8","1") = "9"
    & skf18("6","4","10","4","2","9","1") = "9"
    & skf18("6","4","10","4","2","10","1") = "9"
    & skf18("6","4","10","4","3","1","1") = "9"
    & skf18("6","4","10","4","3","2","1") = "9"
    & skf18("6","4","10","4","3","3","1") = "9"
    & skf18("6","4","10","4","3","4","1") = "9"
    & skf18("6","4","10","4","3","5","1") = "9"
    & skf18("6","4","10","4","3","6","1") = "9"
    & skf18("6","4","10","4","3","7","1") = "9"
    & skf18("6","4","10","4","3","8","1") = "9"
    & skf18("6","4","10","4","3","9","1") = "9"
    & skf18("6","4","10","4","3","10","1") = "9"
    & skf18("6","4","10","4","4","1","1") = "9"
    & skf18("6","4","10","4","4","2","1") = "9"
    & skf18("6","4","10","4","4","3","1") = "9"
    & skf18("6","4","10","4","4","4","1") = "9"
    & skf18("6","4","10","4","4","5","1") = "9"
    & skf18("6","4","10","4","4","6","1") = "9"
    & skf18("6","4","10","4","4","7","1") = "9"
    & skf18("6","4","10","4","4","8","1") = "9"
    & skf18("6","4","10","4","4","9","1") = "9"
    & skf18("6","4","10","4","4","10","1") = "9"
    & skf18("6","4","10","4","5","1","1") = "9"
    & skf18("6","4","10","4","5","2","1") = "9"
    & skf18("6","4","10","4","5","3","1") = "9"
    & skf18("6","4","10","4","5","4","1") = "9"
    & skf18("6","4","10","4","5","5","1") = "9"
    & skf18("6","4","10","4","5","6","1") = "9"
    & skf18("6","4","10","4","5","7","1") = "9"
    & skf18("6","4","10","4","5","8","1") = "9"
    & skf18("6","4","10","4","5","9","1") = "9"
    & skf18("6","4","10","4","5","10","1") = "9"
    & skf18("6","4","10","4","6","1","1") = "9"
    & skf18("6","4","10","4","6","2","1") = "9"
    & skf18("6","4","10","4","6","3","1") = "9"
    & skf18("6","4","10","4","6","4","1") = "9"
    & skf18("6","4","10","4","6","5","1") = "9"
    & skf18("6","4","10","4","6","6","1") = "9"
    & skf18("6","4","10","4","6","7","1") = "9"
    & skf18("6","4","10","4","6","8","1") = "9"
    & skf18("6","4","10","4","6","9","1") = "9"
    & skf18("6","4","10","4","6","10","1") = "9"
    & skf18("6","4","10","4","7","1","1") = "9"
    & skf18("6","4","10","4","7","2","1") = "9"
    & skf18("6","4","10","4","7","3","1") = "9"
    & skf18("6","4","10","4","7","4","1") = "9"
    & skf18("6","4","10","4","7","5","1") = "9"
    & skf18("6","4","10","4","7","6","1") = "9"
    & skf18("6","4","10","4","7","7","1") = "9"
    & skf18("6","4","10","4","7","8","1") = "9"
    & skf18("6","4","10","4","7","9","1") = "9"
    & skf18("6","4","10","4","7","10","1") = "9"
    & skf18("6","4","10","4","8","1","1") = "9"
    & skf18("6","4","10","4","8","2","1") = "9"
    & skf18("6","4","10","4","8","3","1") = "9"
    & skf18("6","4","10","4","8","4","1") = "9"
    & skf18("6","4","10","4","8","5","1") = "9"
    & skf18("6","4","10","4","8","6","1") = "9"
    & skf18("6","4","10","4","8","7","1") = "9"
    & skf18("6","4","10","4","8","8","1") = "9"
    & skf18("6","4","10","4","8","9","1") = "9"
    & skf18("6","4","10","4","8","10","1") = "9"
    & skf18("6","4","10","4","9","1","1") = "9"
    & skf18("6","4","10","4","9","2","1") = "9"
    & skf18("6","4","10","4","9","3","1") = "9"
    & skf18("6","4","10","4","9","4","1") = "9"
    & skf18("6","4","10","4","9","5","1") = "9"
    & skf18("6","4","10","4","9","6","1") = "9"
    & skf18("6","4","10","4","9","7","1") = "9"
    & skf18("6","4","10","4","9","8","1") = "9"
    & skf18("6","4","10","4","9","9","1") = "9"
    & skf18("6","4","10","4","9","10","1") = "9"
    & skf18("6","4","10","4","10","1","1") = "9"
    & skf18("6","4","10","4","10","2","1") = "9"
    & skf18("6","4","10","4","10","3","1") = "9"
    & skf18("6","4","10","4","10","4","1") = "9"
    & skf18("6","4","10","4","10","5","1") = "9"
    & skf18("6","4","10","4","10","6","1") = "9"
    & skf18("6","4","10","4","10","7","1") = "9"
    & skf18("6","4","10","4","10","8","1") = "9"
    & skf18("6","4","10","4","10","9","1") = "9"
    & skf18("6","4","10","4","10","10","1") = "9"
    & skf18("6","4","10","5","1","1","1") = "9"
    & skf18("6","4","10","5","1","2","1") = "9"
    & skf18("6","4","10","5","1","3","1") = "9"
    & skf18("6","4","10","5","1","4","1") = "9"
    & skf18("6","4","10","5","1","5","1") = "9"
    & skf18("6","4","10","5","1","6","1") = "9"
    & skf18("6","4","10","5","1","7","1") = "9"
    & skf18("6","4","10","5","1","8","1") = "9"
    & skf18("6","4","10","5","1","9","1") = "9"
    & skf18("6","4","10","5","1","10","1") = "9"
    & skf18("6","4","10","5","2","1","1") = "9"
    & skf18("6","4","10","5","2","2","1") = "9"
    & skf18("6","4","10","5","2","3","1") = "9"
    & skf18("6","4","10","5","2","4","1") = "9"
    & skf18("6","4","10","5","2","5","1") = "9"
    & skf18("6","4","10","5","2","6","1") = "9"
    & skf18("6","4","10","5","2","7","1") = "9"
    & skf18("6","4","10","5","2","8","1") = "9"
    & skf18("6","4","10","5","2","9","1") = "9"
    & skf18("6","4","10","5","2","10","1") = "9"
    & skf18("6","4","10","5","3","1","1") = "9"
    & skf18("6","4","10","5","3","2","1") = "9"
    & skf18("6","4","10","5","3","3","1") = "9"
    & skf18("6","4","10","5","3","4","1") = "9"
    & skf18("6","4","10","5","3","5","1") = "9"
    & skf18("6","4","10","5","3","6","1") = "9"
    & skf18("6","4","10","5","3","7","1") = "9"
    & skf18("6","4","10","5","3","8","1") = "9"
    & skf18("6","4","10","5","3","9","1") = "9"
    & skf18("6","4","10","5","3","10","1") = "9"
    & skf18("6","4","10","5","4","1","1") = "9"
    & skf18("6","4","10","5","4","2","1") = "9"
    & skf18("6","4","10","5","4","3","1") = "9"
    & skf18("6","4","10","5","4","4","1") = "9"
    & skf18("6","4","10","5","4","5","1") = "9"
    & skf18("6","4","10","5","4","6","1") = "9"
    & skf18("6","4","10","5","4","7","1") = "9"
    & skf18("6","4","10","5","4","8","1") = "9"
    & skf18("6","4","10","5","4","9","1") = "9"
    & skf18("6","4","10","5","4","10","1") = "9"
    & skf18("6","4","10","5","5","1","1") = "9"
    & skf18("6","4","10","5","5","2","1") = "9"
    & skf18("6","4","10","5","5","3","1") = "9"
    & skf18("6","4","10","5","5","4","1") = "9"
    & skf18("6","4","10","5","5","5","1") = "9"
    & skf18("6","4","10","5","5","6","1") = "9"
    & skf18("6","4","10","5","5","7","1") = "9"
    & skf18("6","4","10","5","5","8","1") = "9"
    & skf18("6","4","10","5","5","9","1") = "9"
    & skf18("6","4","10","5","5","10","1") = "9"
    & skf18("6","4","10","5","6","1","1") = "9"
    & skf18("6","4","10","5","6","2","1") = "9"
    & skf18("6","4","10","5","6","3","1") = "9"
    & skf18("6","4","10","5","6","4","1") = "9"
    & skf18("6","4","10","5","6","5","1") = "9"
    & skf18("6","4","10","5","6","6","1") = "9"
    & skf18("6","4","10","5","6","7","1") = "9"
    & skf18("6","4","10","5","6","8","1") = "9"
    & skf18("6","4","10","5","6","9","1") = "9"
    & skf18("6","4","10","5","6","10","1") = "9"
    & skf18("6","4","10","5","7","1","1") = "9"
    & skf18("6","4","10","5","7","2","1") = "9"
    & skf18("6","4","10","5","7","3","1") = "9"
    & skf18("6","4","10","5","7","4","1") = "9"
    & skf18("6","4","10","5","7","5","1") = "9"
    & skf18("6","4","10","5","7","6","1") = "9"
    & skf18("6","4","10","5","7","7","1") = "9"
    & skf18("6","4","10","5","7","8","1") = "9"
    & skf18("6","4","10","5","7","9","1") = "9"
    & skf18("6","4","10","5","7","10","1") = "9"
    & skf18("6","4","10","5","8","1","1") = "9"
    & skf18("6","4","10","5","8","2","1") = "9"
    & skf18("6","4","10","5","8","3","1") = "9"
    & skf18("6","4","10","5","8","4","1") = "9"
    & skf18("6","4","10","5","8","5","1") = "9"
    & skf18("6","4","10","5","8","6","1") = "9"
    & skf18("6","4","10","5","8","7","1") = "9"
    & skf18("6","4","10","5","8","8","1") = "9"
    & skf18("6","4","10","5","8","9","1") = "9"
    & skf18("6","4","10","5","8","10","1") = "9"
    & skf18("6","4","10","5","9","1","1") = "9"
    & skf18("6","4","10","5","9","2","1") = "9"
    & skf18("6","4","10","5","9","3","1") = "9"
    & skf18("6","4","10","5","9","4","1") = "9"
    & skf18("6","4","10","5","9","5","1") = "9"
    & skf18("6","4","10","5","9","6","1") = "9"
    & skf18("6","4","10","5","9","7","1") = "9"
    & skf18("6","4","10","5","9","8","1") = "9"
    & skf18("6","4","10","5","9","9","1") = "9"
    & skf18("6","4","10","5","9","10","1") = "9"
    & skf18("6","4","10","5","10","1","1") = "9"
    & skf18("6","4","10","5","10","2","1") = "9"
    & skf18("6","4","10","5","10","3","1") = "9"
    & skf18("6","4","10","5","10","4","1") = "9"
    & skf18("6","4","10","5","10","5","1") = "9"
    & skf18("6","4","10","5","10","6","1") = "9"
    & skf18("6","4","10","5","10","7","1") = "9"
    & skf18("6","4","10","5","10","8","1") = "9"
    & skf18("6","4","10","5","10","9","1") = "9"
    & skf18("6","4","10","5","10","10","1") = "9"
    & skf18("6","4","10","6","1","1","1") = "9"
    & skf18("6","4","10","6","1","2","1") = "9"
    & skf18("6","4","10","6","1","3","1") = "9"
    & skf18("6","4","10","6","1","4","1") = "9"
    & skf18("6","4","10","6","1","5","1") = "9"
    & skf18("6","4","10","6","1","6","1") = "9"
    & skf18("6","4","10","6","1","7","1") = "9"
    & skf18("6","4","10","6","1","8","1") = "9"
    & skf18("6","4","10","6","1","9","1") = "9"
    & skf18("6","4","10","6","1","10","1") = "9"
    & skf18("6","4","10","6","2","1","1") = "9"
    & skf18("6","4","10","6","2","2","1") = "9"
    & skf18("6","4","10","6","2","3","1") = "9"
    & skf18("6","4","10","6","2","4","1") = "9"
    & skf18("6","4","10","6","2","5","1") = "9"
    & skf18("6","4","10","6","2","6","1") = "9"
    & skf18("6","4","10","6","2","7","1") = "9"
    & skf18("6","4","10","6","2","8","1") = "9"
    & skf18("6","4","10","6","2","9","1") = "9"
    & skf18("6","4","10","6","2","10","1") = "9"
    & skf18("6","4","10","6","3","1","1") = "9"
    & skf18("6","4","10","6","3","2","1") = "9"
    & skf18("6","4","10","6","3","3","1") = "9"
    & skf18("6","4","10","6","3","4","1") = "9"
    & skf18("6","4","10","6","3","5","1") = "9"
    & skf18("6","4","10","6","3","6","1") = "9"
    & skf18("6","4","10","6","3","7","1") = "9"
    & skf18("6","4","10","6","3","8","1") = "9"
    & skf18("6","4","10","6","3","9","1") = "9"
    & skf18("6","4","10","6","3","10","1") = "9"
    & skf18("6","4","10","6","4","1","1") = "9"
    & skf18("6","4","10","6","4","2","1") = "9"
    & skf18("6","4","10","6","4","3","1") = "9"
    & skf18("6","4","10","6","4","4","1") = "9"
    & skf18("6","4","10","6","4","5","1") = "9"
    & skf18("6","4","10","6","4","6","1") = "9"
    & skf18("6","4","10","6","4","7","1") = "9"
    & skf18("6","4","10","6","4","8","1") = "9"
    & skf18("6","4","10","6","4","9","1") = "9"
    & skf18("6","4","10","6","4","10","1") = "9"
    & skf18("6","4","10","6","5","1","1") = "9"
    & skf18("6","4","10","6","5","2","1") = "9"
    & skf18("6","4","10","6","5","3","1") = "9"
    & skf18("6","4","10","6","5","4","1") = "9"
    & skf18("6","4","10","6","5","5","1") = "9"
    & skf18("6","4","10","6","5","6","1") = "9"
    & skf18("6","4","10","6","5","7","1") = "9"
    & skf18("6","4","10","6","5","8","1") = "9"
    & skf18("6","4","10","6","5","9","1") = "9"
    & skf18("6","4","10","6","5","10","1") = "9"
    & skf18("6","4","10","6","6","1","1") = "9"
    & skf18("6","4","10","6","6","2","1") = "9"
    & skf18("6","4","10","6","6","3","1") = "9"
    & skf18("6","4","10","6","6","4","1") = "9"
    & skf18("6","4","10","6","6","5","1") = "9"
    & skf18("6","4","10","6","6","6","1") = "9"
    & skf18("6","4","10","6","6","7","1") = "9"
    & skf18("6","4","10","6","6","8","1") = "9"
    & skf18("6","4","10","6","6","9","1") = "9"
    & skf18("6","4","10","6","6","10","1") = "9"
    & skf18("6","4","10","6","7","1","1") = "9"
    & skf18("6","4","10","6","7","2","1") = "9"
    & skf18("6","4","10","6","7","3","1") = "9"
    & skf18("6","4","10","6","7","4","1") = "9"
    & skf18("6","4","10","6","7","5","1") = "9"
    & skf18("6","4","10","6","7","6","1") = "9"
    & skf18("6","4","10","6","7","7","1") = "9"
    & skf18("6","4","10","6","7","8","1") = "9"
    & skf18("6","4","10","6","7","9","1") = "9"
    & skf18("6","4","10","6","7","10","1") = "9"
    & skf18("6","4","10","6","8","1","1") = "9"
    & skf18("6","4","10","6","8","2","1") = "9"
    & skf18("6","4","10","6","8","3","1") = "9"
    & skf18("6","4","10","6","8","4","1") = "9"
    & skf18("6","4","10","6","8","5","1") = "9"
    & skf18("6","4","10","6","8","6","1") = "9"
    & skf18("6","4","10","6","8","7","1") = "9"
    & skf18("6","4","10","6","8","8","1") = "9"
    & skf18("6","4","10","6","8","9","1") = "9"
    & skf18("6","4","10","6","8","10","1") = "9"
    & skf18("6","4","10","6","9","1","1") = "9"
    & skf18("6","4","10","6","9","2","1") = "9"
    & skf18("6","4","10","6","9","3","1") = "9"
    & skf18("6","4","10","6","9","4","1") = "9"
    & skf18("6","4","10","6","9","5","1") = "9"
    & skf18("6","4","10","6","9","6","1") = "9"
    & skf18("6","4","10","6","9","7","1") = "9"
    & skf18("6","4","10","6","9","8","1") = "9"
    & skf18("6","4","10","6","9","9","1") = "9"
    & skf18("6","4","10","6","9","10","1") = "9"
    & skf18("6","4","10","6","10","1","1") = "9"
    & skf18("6","4","10","6","10","2","1") = "9"
    & skf18("6","4","10","6","10","3","1") = "9"
    & skf18("6","4","10","6","10","4","1") = "9"
    & skf18("6","4","10","6","10","5","1") = "9"
    & skf18("6","4","10","6","10","6","1") = "9"
    & skf18("6","4","10","6","10","7","1") = "9"
    & skf18("6","4","10","6","10","8","1") = "9"
    & skf18("6","4","10","6","10","9","1") = "9"
    & skf18("6","4","10","6","10","10","1") = "9"
    & skf18("6","4","10","7","1","1","1") = "9"
    & skf18("6","4","10","7","1","2","1") = "9"
    & skf18("6","4","10","7","1","3","1") = "9"
    & skf18("6","4","10","7","1","4","1") = "9"
    & skf18("6","4","10","7","1","5","1") = "9"
    & skf18("6","4","10","7","1","6","1") = "9"
    & skf18("6","4","10","7","1","7","1") = "9"
    & skf18("6","4","10","7","1","8","1") = "9"
    & skf18("6","4","10","7","1","9","1") = "9"
    & skf18("6","4","10","7","1","10","1") = "9"
    & skf18("6","4","10","7","2","1","1") = "9"
    & skf18("6","4","10","7","2","2","1") = "9"
    & skf18("6","4","10","7","2","3","1") = "9"
    & skf18("6","4","10","7","2","4","1") = "9"
    & skf18("6","4","10","7","2","5","1") = "9"
    & skf18("6","4","10","7","2","6","1") = "9"
    & skf18("6","4","10","7","2","7","1") = "9"
    & skf18("6","4","10","7","2","8","1") = "9"
    & skf18("6","4","10","7","2","9","1") = "9"
    & skf18("6","4","10","7","2","10","1") = "9"
    & skf18("6","4","10","7","3","1","1") = "9"
    & skf18("6","4","10","7","3","2","1") = "9"
    & skf18("6","4","10","7","3","3","1") = "9"
    & skf18("6","4","10","7","3","4","1") = "9"
    & skf18("6","4","10","7","3","5","1") = "9"
    & skf18("6","4","10","7","3","6","1") = "9"
    & skf18("6","4","10","7","3","7","1") = "9"
    & skf18("6","4","10","7","3","8","1") = "9"
    & skf18("6","4","10","7","3","9","1") = "9"
    & skf18("6","4","10","7","3","10","1") = "9"
    & skf18("6","4","10","7","4","1","1") = "9"
    & skf18("6","4","10","7","4","2","1") = "9"
    & skf18("6","4","10","7","4","3","1") = "9"
    & skf18("6","4","10","7","4","4","1") = "9"
    & skf18("6","4","10","7","4","5","1") = "9"
    & skf18("6","4","10","7","4","6","1") = "9"
    & skf18("6","4","10","7","4","7","1") = "9"
    & skf18("6","4","10","7","4","8","1") = "9"
    & skf18("6","4","10","7","4","9","1") = "9"
    & skf18("6","4","10","7","4","10","1") = "9"
    & skf18("6","4","10","7","5","1","1") = "9"
    & skf18("6","4","10","7","5","2","1") = "9"
    & skf18("6","4","10","7","5","3","1") = "9"
    & skf18("6","4","10","7","5","4","1") = "9"
    & skf18("6","4","10","7","5","5","1") = "9"
    & skf18("6","4","10","7","5","6","1") = "9"
    & skf18("6","4","10","7","5","7","1") = "9"
    & skf18("6","4","10","7","5","8","1") = "9"
    & skf18("6","4","10","7","5","9","1") = "9"
    & skf18("6","4","10","7","5","10","1") = "9"
    & skf18("6","4","10","7","6","1","1") = "9"
    & skf18("6","4","10","7","6","2","1") = "9"
    & skf18("6","4","10","7","6","3","1") = "9"
    & skf18("6","4","10","7","6","4","1") = "9"
    & skf18("6","4","10","7","6","5","1") = "9"
    & skf18("6","4","10","7","6","6","1") = "9"
    & skf18("6","4","10","7","6","7","1") = "9"
    & skf18("6","4","10","7","6","8","1") = "9"
    & skf18("6","4","10","7","6","9","1") = "9"
    & skf18("6","4","10","7","6","10","1") = "9"
    & skf18("6","4","10","7","7","1","1") = "9"
    & skf18("6","4","10","7","7","2","1") = "9"
    & skf18("6","4","10","7","7","3","1") = "9"
    & skf18("6","4","10","7","7","4","1") = "9"
    & skf18("6","4","10","7","7","5","1") = "9"
    & skf18("6","4","10","7","7","6","1") = "9"
    & skf18("6","4","10","7","7","7","1") = "9"
    & skf18("6","4","10","7","7","8","1") = "9"
    & skf18("6","4","10","7","7","9","1") = "9"
    & skf18("6","4","10","7","7","10","1") = "9"
    & skf18("6","4","10","7","8","1","1") = "9"
    & skf18("6","4","10","7","8","2","1") = "9"
    & skf18("6","4","10","7","8","3","1") = "9"
    & skf18("6","4","10","7","8","4","1") = "9"
    & skf18("6","4","10","7","8","5","1") = "9"
    & skf18("6","4","10","7","8","6","1") = "9"
    & skf18("6","4","10","7","8","7","1") = "9"
    & skf18("6","4","10","7","8","8","1") = "9"
    & skf18("6","4","10","7","8","9","1") = "9"
    & skf18("6","4","10","7","8","10","1") = "9"
    & skf18("6","4","10","7","9","1","1") = "9"
    & skf18("6","4","10","7","9","2","1") = "9"
    & skf18("6","4","10","7","9","3","1") = "9"
    & skf18("6","4","10","7","9","4","1") = "9"
    & skf18("6","4","10","7","9","5","1") = "9"
    & skf18("6","4","10","7","9","6","1") = "9"
    & skf18("6","4","10","7","9","7","1") = "9"
    & skf18("6","4","10","7","9","8","1") = "9"
    & skf18("6","4","10","7","9","9","1") = "9"
    & skf18("6","4","10","7","9","10","1") = "9"
    & skf18("6","4","10","7","10","1","1") = "9"
    & skf18("6","4","10","7","10","2","1") = "9"
    & skf18("6","4","10","7","10","3","1") = "9"
    & skf18("6","4","10","7","10","4","1") = "9"
    & skf18("6","4","10","7","10","5","1") = "9"
    & skf18("6","4","10","7","10","6","1") = "9"
    & skf18("6","4","10","7","10","7","1") = "9"
    & skf18("6","4","10","7","10","8","1") = "9"
    & skf18("6","4","10","7","10","9","1") = "9"
    & skf18("6","4","10","7","10","10","1") = "9"
    & skf18("6","4","10","8","1","1","1") = "9"
    & skf18("6","4","10","8","1","2","1") = "9"
    & skf18("6","4","10","8","1","3","1") = "9"
    & skf18("6","4","10","8","1","4","1") = "9"
    & skf18("6","4","10","8","1","5","1") = "9"
    & skf18("6","4","10","8","1","6","1") = "9"
    & skf18("6","4","10","8","1","7","1") = "9"
    & skf18("6","4","10","8","1","8","1") = "9"
    & skf18("6","4","10","8","1","9","1") = "9"
    & skf18("6","4","10","8","1","10","1") = "9"
    & skf18("6","4","10","8","2","1","1") = "9"
    & skf18("6","4","10","8","2","2","1") = "9"
    & skf18("6","4","10","8","2","3","1") = "9"
    & skf18("6","4","10","8","2","4","1") = "9"
    & skf18("6","4","10","8","2","5","1") = "9"
    & skf18("6","4","10","8","2","6","1") = "9"
    & skf18("6","4","10","8","2","7","1") = "9"
    & skf18("6","4","10","8","2","8","1") = "9"
    & skf18("6","4","10","8","2","9","1") = "9"
    & skf18("6","4","10","8","2","10","1") = "9"
    & skf18("6","4","10","8","3","1","1") = "9"
    & skf18("6","4","10","8","3","2","1") = "9"
    & skf18("6","4","10","8","3","3","1") = "9"
    & skf18("6","4","10","8","3","4","1") = "9"
    & skf18("6","4","10","8","3","5","1") = "9"
    & skf18("6","4","10","8","3","6","1") = "9"
    & skf18("6","4","10","8","3","7","1") = "9"
    & skf18("6","4","10","8","3","8","1") = "9"
    & skf18("6","4","10","8","3","9","1") = "9"
    & skf18("6","4","10","8","3","10","1") = "9"
    & skf18("6","4","10","8","4","1","1") = "9"
    & skf18("6","4","10","8","4","2","1") = "9"
    & skf18("6","4","10","8","4","3","1") = "9"
    & skf18("6","4","10","8","4","4","1") = "9"
    & skf18("6","4","10","8","4","5","1") = "9"
    & skf18("6","4","10","8","4","6","1") = "9"
    & skf18("6","4","10","8","4","7","1") = "9"
    & skf18("6","4","10","8","4","8","1") = "9"
    & skf18("6","4","10","8","4","9","1") = "9"
    & skf18("6","4","10","8","4","10","1") = "9"
    & skf18("6","4","10","8","5","1","1") = "9"
    & skf18("6","4","10","8","5","2","1") = "9"
    & skf18("6","4","10","8","5","3","1") = "9"
    & skf18("6","4","10","8","5","4","1") = "9"
    & skf18("6","4","10","8","5","5","1") = "9"
    & skf18("6","4","10","8","5","6","1") = "9"
    & skf18("6","4","10","8","5","7","1") = "9"
    & skf18("6","4","10","8","5","8","1") = "9"
    & skf18("6","4","10","8","5","9","1") = "9"
    & skf18("6","4","10","8","5","10","1") = "9"
    & skf18("6","4","10","8","6","1","1") = "9"
    & skf18("6","4","10","8","6","2","1") = "9"
    & skf18("6","4","10","8","6","3","1") = "9"
    & skf18("6","4","10","8","6","4","1") = "9"
    & skf18("6","4","10","8","6","5","1") = "9"
    & skf18("6","4","10","8","6","6","1") = "9"
    & skf18("6","4","10","8","6","7","1") = "9"
    & skf18("6","4","10","8","6","8","1") = "9"
    & skf18("6","4","10","8","6","9","1") = "9"
    & skf18("6","4","10","8","6","10","1") = "9"
    & skf18("6","4","10","8","7","1","1") = "9"
    & skf18("6","4","10","8","7","2","1") = "9"
    & skf18("6","4","10","8","7","3","1") = "9"
    & skf18("6","4","10","8","7","4","1") = "9"
    & skf18("6","4","10","8","7","5","1") = "9"
    & skf18("6","4","10","8","7","6","1") = "9"
    & skf18("6","4","10","8","7","7","1") = "9"
    & skf18("6","4","10","8","7","8","1") = "9"
    & skf18("6","4","10","8","7","9","1") = "9"
    & skf18("6","4","10","8","7","10","1") = "9"
    & skf18("6","4","10","8","8","1","1") = "9"
    & skf18("6","4","10","8","8","2","1") = "9"
    & skf18("6","4","10","8","8","3","1") = "9"
    & skf18("6","4","10","8","8","4","1") = "9"
    & skf18("6","4","10","8","8","5","1") = "9"
    & skf18("6","4","10","8","8","6","1") = "9"
    & skf18("6","4","10","8","8","7","1") = "9"
    & skf18("6","4","10","8","8","8","1") = "9"
    & skf18("6","4","10","8","8","9","1") = "9"
    & skf18("6","4","10","8","8","10","1") = "9"
    & skf18("6","4","10","8","9","1","1") = "9"
    & skf18("6","4","10","8","9","2","1") = "9"
    & skf18("6","4","10","8","9","3","1") = "9"
    & skf18("6","4","10","8","9","4","1") = "9"
    & skf18("6","4","10","8","9","5","1") = "9"
    & skf18("6","4","10","8","9","6","1") = "9"
    & skf18("6","4","10","8","9","7","1") = "9"
    & skf18("6","4","10","8","9","8","1") = "9"
    & skf18("6","4","10","8","9","9","1") = "9"
    & skf18("6","4","10","8","9","10","1") = "9"
    & skf18("6","4","10","8","10","1","1") = "9"
    & skf18("6","4","10","8","10","2","1") = "9"
    & skf18("6","4","10","8","10","3","1") = "9"
    & skf18("6","4","10","8","10","4","1") = "9"
    & skf18("6","4","10","8","10","5","1") = "9"
    & skf18("6","4","10","8","10","6","1") = "9"
    & skf18("6","4","10","8","10","7","1") = "9"
    & skf18("6","4","10","8","10","8","1") = "9"
    & skf18("6","4","10","8","10","9","1") = "9"
    & skf18("6","4","10","8","10","10","1") = "9"
    & skf18("6","4","10","9","1","1","1") = "9"
    & skf18("6","4","10","9","1","2","1") = "9"
    & skf18("6","4","10","9","1","3","1") = "9"
    & skf18("6","4","10","9","1","4","1") = "9"
    & skf18("6","4","10","9","1","5","1") = "9"
    & skf18("6","4","10","9","1","6","1") = "9"
    & skf18("6","4","10","9","1","7","1") = "9"
    & skf18("6","4","10","9","1","8","1") = "9"
    & skf18("6","4","10","9","1","9","1") = "9"
    & skf18("6","4","10","9","1","10","1") = "9"
    & skf18("6","4","10","9","2","1","1") = "9"
    & skf18("6","4","10","9","2","2","1") = "9"
    & skf18("6","4","10","9","2","3","1") = "9"
    & skf18("6","4","10","9","2","4","1") = "9"
    & skf18("6","4","10","9","2","5","1") = "9"
    & skf18("6","4","10","9","2","6","1") = "9"
    & skf18("6","4","10","9","2","7","1") = "9"
    & skf18("6","4","10","9","2","8","1") = "9"
    & skf18("6","4","10","9","2","9","1") = "9"
    & skf18("6","4","10","9","2","10","1") = "9"
    & skf18("6","4","10","9","3","1","1") = "9"
    & skf18("6","4","10","9","3","2","1") = "9"
    & skf18("6","4","10","9","3","3","1") = "9"
    & skf18("6","4","10","9","3","4","1") = "9"
    & skf18("6","4","10","9","3","5","1") = "9"
    & skf18("6","4","10","9","3","6","1") = "9"
    & skf18("6","4","10","9","3","7","1") = "9"
    & skf18("6","4","10","9","3","8","1") = "9"
    & skf18("6","4","10","9","3","9","1") = "9"
    & skf18("6","4","10","9","3","10","1") = "9"
    & skf18("6","4","10","9","4","1","1") = "9"
    & skf18("6","4","10","9","4","2","1") = "9"
    & skf18("6","4","10","9","4","3","1") = "9"
    & skf18("6","4","10","9","4","4","1") = "9"
    & skf18("6","4","10","9","4","5","1") = "9"
    & skf18("6","4","10","9","4","6","1") = "9"
    & skf18("6","4","10","9","4","7","1") = "9"
    & skf18("6","4","10","9","4","8","1") = "9"
    & skf18("6","4","10","9","4","9","1") = "9"
    & skf18("6","4","10","9","4","10","1") = "9"
    & skf18("6","4","10","9","5","1","1") = "9"
    & skf18("6","4","10","9","5","2","1") = "9"
    & skf18("6","4","10","9","5","3","1") = "9"
    & skf18("6","4","10","9","5","4","1") = "9"
    & skf18("6","4","10","9","5","5","1") = "9"
    & skf18("6","4","10","9","5","6","1") = "9"
    & skf18("6","4","10","9","5","7","1") = "9"
    & skf18("6","4","10","9","5","8","1") = "9"
    & skf18("6","4","10","9","5","9","1") = "9"
    & skf18("6","4","10","9","5","10","1") = "9"
    & skf18("6","4","10","9","6","1","1") = "9"
    & skf18("6","4","10","9","6","2","1") = "9"
    & skf18("6","4","10","9","6","3","1") = "9"
    & skf18("6","4","10","9","6","4","1") = "9"
    & skf18("6","4","10","9","6","5","1") = "9"
    & skf18("6","4","10","9","6","6","1") = "9"
    & skf18("6","4","10","9","6","7","1") = "9"
    & skf18("6","4","10","9","6","8","1") = "9"
    & skf18("6","4","10","9","6","9","1") = "9"
    & skf18("6","4","10","9","6","10","1") = "9"
    & skf18("6","4","10","9","7","1","1") = "9"
    & skf18("6","4","10","9","7","2","1") = "9"
    & skf18("6","4","10","9","7","3","1") = "9"
    & skf18("6","4","10","9","7","4","1") = "9"
    & skf18("6","4","10","9","7","5","1") = "9"
    & skf18("6","4","10","9","7","6","1") = "9"
    & skf18("6","4","10","9","7","7","1") = "9"
    & skf18("6","4","10","9","7","8","1") = "9"
    & skf18("6","4","10","9","7","9","1") = "9"
    & skf18("6","4","10","9","7","10","1") = "9"
    & skf18("6","4","10","9","8","1","1") = "9"
    & skf18("6","4","10","9","8","2","1") = "9"
    & skf18("6","4","10","9","8","3","1") = "9"
    & skf18("6","4","10","9","8","4","1") = "9"
    & skf18("6","4","10","9","8","5","1") = "9"
    & skf18("6","4","10","9","8","6","1") = "9"
    & skf18("6","4","10","9","8","7","1") = "9"
    & skf18("6","4","10","9","8","8","1") = "9"
    & skf18("6","4","10","9","8","9","1") = "9"
    & skf18("6","4","10","9","8","10","1") = "9"
    & skf18("6","4","10","9","9","1","1") = "9"
    & skf18("6","4","10","9","9","2","1") = "9"
    & skf18("6","4","10","9","9","3","1") = "9"
    & skf18("6","4","10","9","9","4","1") = "9"
    & skf18("6","4","10","9","9","5","1") = "9"
    & skf18("6","4","10","9","9","6","1") = "9"
    & skf18("6","4","10","9","9","7","1") = "9"
    & skf18("6","4","10","9","9","8","1") = "9"
    & skf18("6","4","10","9","9","9","1") = "9"
    & skf18("6","4","10","9","9","10","1") = "9"
    & skf18("6","4","10","9","10","1","1") = "9"
    & skf18("6","4","10","9","10","2","1") = "9"
    & skf18("6","4","10","9","10","3","1") = "9"
    & skf18("6","4","10","9","10","4","1") = "9"
    & skf18("6","4","10","9","10","5","1") = "9"
    & skf18("6","4","10","9","10","6","1") = "9"
    & skf18("6","4","10","9","10","7","1") = "9"
    & skf18("6","4","10","9","10","8","1") = "9"
    & skf18("6","4","10","9","10","9","1") = "9"
    & skf18("6","4","10","9","10","10","1") = "9"
    & skf18("6","4","10","10","1","1","1") = "9"
    & skf18("6","4","10","10","1","2","1") = "9"
    & skf18("6","4","10","10","1","3","1") = "9"
    & skf18("6","4","10","10","1","4","1") = "9"
    & skf18("6","4","10","10","1","5","1") = "9"
    & skf18("6","4","10","10","1","6","1") = "9"
    & skf18("6","4","10","10","1","7","1") = "9"
    & skf18("6","4","10","10","1","8","1") = "9"
    & skf18("6","4","10","10","1","9","1") = "9"
    & skf18("6","4","10","10","1","10","1") = "9"
    & skf18("6","4","10","10","2","1","1") = "9"
    & skf18("6","4","10","10","2","2","1") = "9"
    & skf18("6","4","10","10","2","3","1") = "9"
    & skf18("6","4","10","10","2","4","1") = "9"
    & skf18("6","4","10","10","2","5","1") = "9"
    & skf18("6","4","10","10","2","6","1") = "9"
    & skf18("6","4","10","10","2","7","1") = "9"
    & skf18("6","4","10","10","2","8","1") = "9"
    & skf18("6","4","10","10","2","9","1") = "9"
    & skf18("6","4","10","10","2","10","1") = "9"
    & skf18("6","4","10","10","3","1","1") = "9"
    & skf18("6","4","10","10","3","2","1") = "9"
    & skf18("6","4","10","10","3","3","1") = "9"
    & skf18("6","4","10","10","3","4","1") = "9"
    & skf18("6","4","10","10","3","5","1") = "9"
    & skf18("6","4","10","10","3","6","1") = "9"
    & skf18("6","4","10","10","3","7","1") = "9"
    & skf18("6","4","10","10","3","8","1") = "9"
    & skf18("6","4","10","10","3","9","1") = "9"
    & skf18("6","4","10","10","3","10","1") = "9"
    & skf18("6","4","10","10","4","1","1") = "9"
    & skf18("6","4","10","10","4","2","1") = "9"
    & skf18("6","4","10","10","4","3","1") = "9"
    & skf18("6","4","10","10","4","4","1") = "9"
    & skf18("6","4","10","10","4","5","1") = "9"
    & skf18("6","4","10","10","4","6","1") = "9"
    & skf18("6","4","10","10","4","7","1") = "9"
    & skf18("6","4","10","10","4","8","1") = "9"
    & skf18("6","4","10","10","4","9","1") = "9"
    & skf18("6","4","10","10","4","10","1") = "9"
    & skf18("6","4","10","10","5","1","1") = "9"
    & skf18("6","4","10","10","5","2","1") = "9"
    & skf18("6","4","10","10","5","3","1") = "9"
    & skf18("6","4","10","10","5","4","1") = "9"
    & skf18("6","4","10","10","5","5","1") = "9"
    & skf18("6","4","10","10","5","6","1") = "9"
    & skf18("6","4","10","10","5","7","1") = "9"
    & skf18("6","4","10","10","5","8","1") = "9"
    & skf18("6","4","10","10","5","9","1") = "9"
    & skf18("6","4","10","10","5","10","1") = "9"
    & skf18("6","4","10","10","6","1","1") = "9"
    & skf18("6","4","10","10","6","2","1") = "9"
    & skf18("6","4","10","10","6","3","1") = "9"
    & skf18("6","4","10","10","6","4","1") = "9"
    & skf18("6","4","10","10","6","5","1") = "9"
    & skf18("6","4","10","10","6","6","1") = "9"
    & skf18("6","4","10","10","6","7","1") = "9"
    & skf18("6","4","10","10","6","8","1") = "9"
    & skf18("6","4","10","10","6","9","1") = "9"
    & skf18("6","4","10","10","6","10","1") = "9"
    & skf18("6","4","10","10","7","1","1") = "9"
    & skf18("6","4","10","10","7","2","1") = "9"
    & skf18("6","4","10","10","7","3","1") = "9"
    & skf18("6","4","10","10","7","4","1") = "9"
    & skf18("6","4","10","10","7","5","1") = "9"
    & skf18("6","4","10","10","7","6","1") = "9"
    & skf18("6","4","10","10","7","7","1") = "9"
    & skf18("6","4","10","10","7","8","1") = "9"
    & skf18("6","4","10","10","7","9","1") = "9"
    & skf18("6","4","10","10","7","10","1") = "9"
    & skf18("6","4","10","10","8","1","1") = "9"
    & skf18("6","4","10","10","8","2","1") = "9"
    & skf18("6","4","10","10","8","3","1") = "9"
    & skf18("6","4","10","10","8","4","1") = "9"
    & skf18("6","4","10","10","8","5","1") = "9"
    & skf18("6","4","10","10","8","6","1") = "9"
    & skf18("6","4","10","10","8","7","1") = "9"
    & skf18("6","4","10","10","8","8","1") = "9"
    & skf18("6","4","10","10","8","9","1") = "9"
    & skf18("6","4","10","10","8","10","1") = "9"
    & skf18("6","4","10","10","9","1","1") = "9"
    & skf18("6","4","10","10","9","2","1") = "9"
    & skf18("6","4","10","10","9","3","1") = "9"
    & skf18("6","4","10","10","9","4","1") = "9"
    & skf18("6","4","10","10","9","5","1") = "9"
    & skf18("6","4","10","10","9","6","1") = "9"
    & skf18("6","4","10","10","9","7","1") = "9"
    & skf18("6","4","10","10","9","8","1") = "9"
    & skf18("6","4","10","10","9","9","1") = "9"
    & skf18("6","4","10","10","9","10","1") = "9"
    & skf18("6","4","10","10","10","1","1") = "9"
    & skf18("6","4","10","10","10","2","1") = "9"
    & skf18("6","4","10","10","10","3","1") = "9"
    & skf18("6","4","10","10","10","4","1") = "9"
    & skf18("6","4","10","10","10","5","1") = "9"
    & skf18("6","4","10","10","10","6","1") = "9"
    & skf18("6","4","10","10","10","7","1") = "9"
    & skf18("6","4","10","10","10","8","1") = "9"
    & skf18("6","4","10","10","10","9","1") = "9"
    & skf18("6","4","10","10","10","10","1") = "9"
    & skf18("6","5","1","1","1","1","1") = "5"
    & skf18("6","5","1","1","1","2","1") = "5"
    & skf18("6","5","1","1","1","3","1") = "5"
    & skf18("6","5","1","1","1","4","1") = "5"
    & skf18("6","5","1","1","1","5","1") = "5"
    & skf18("6","5","1","1","1","6","1") = "5"
    & skf18("6","5","1","1","1","7","1") = "6"
    & skf18("6","5","1","1","1","8","1") = "7"
    & skf18("6","5","1","1","1","9","1") = "8"
    & skf18("6","5","1","1","1","10","1") = "9"
    & skf18("6","5","1","1","2","1","1") = "5"
    & skf18("6","5","1","1","2","2","1") = "5"
    & skf18("6","5","1","1","2","3","1") = "5"
    & skf18("6","5","1","1","2","4","1") = "5"
    & skf18("6","5","1","1","2","5","1") = "5"
    & skf18("6","5","1","1","2","6","1") = "5"
    & skf18("6","5","1","1","2","7","1") = "6"
    & skf18("6","5","1","1","2","8","1") = "7"
    & skf18("6","5","1","1","2","9","1") = "8"
    & skf18("6","5","1","1","2","10","1") = "9"
    & skf18("6","5","1","1","3","1","1") = "5"
    & skf18("6","5","1","1","3","2","1") = "5"
    & skf18("6","5","1","1","3","3","1") = "5"
    & skf18("6","5","1","1","3","4","1") = "5"
    & skf18("6","5","1","1","3","5","1") = "5"
    & skf18("6","5","1","1","3","6","1") = "5"
    & skf18("6","5","1","1","3","7","1") = "6"
    & skf18("6","5","1","1","3","8","1") = "7"
    & skf18("6","5","1","1","3","9","1") = "8"
    & skf18("6","5","1","1","3","10","1") = "9"
    & skf18("6","5","1","1","4","1","1") = "5"
    & skf18("6","5","1","1","4","2","1") = "5"
    & skf18("6","5","1","1","4","3","1") = "5"
    & skf18("6","5","1","1","4","4","1") = "5"
    & skf18("6","5","1","1","4","5","1") = "5"
    & skf18("6","5","1","1","4","6","1") = "5"
    & skf18("6","5","1","1","4","7","1") = "6"
    & skf18("6","5","1","1","4","8","1") = "7"
    & skf18("6","5","1","1","4","9","1") = "8"
    & skf18("6","5","1","1","4","10","1") = "9"
    & skf18("6","5","1","1","5","1","1") = "5"
    & skf18("6","5","1","1","5","2","1") = "5"
    & skf18("6","5","1","1","5","3","1") = "5"
    & skf18("6","5","1","1","5","4","1") = "5"
    & skf18("6","5","1","1","5","5","1") = "5"
    & skf18("6","5","1","1","5","6","1") = "5"
    & skf18("6","5","1","1","5","7","1") = "6"
    & skf18("6","5","1","1","5","8","1") = "7"
    & skf18("6","5","1","1","5","9","1") = "8"
    & skf18("6","5","1","1","5","10","1") = "9"
    & skf18("6","5","1","1","6","1","1") = "5"
    & skf18("6","5","1","1","6","2","1") = "5"
    & skf18("6","5","1","1","6","3","1") = "5"
    & skf18("6","5","1","1","6","4","1") = "5"
    & skf18("6","5","1","1","6","5","1") = "5"
    & skf18("6","5","1","1","6","6","1") = "5"
    & skf18("6","5","1","1","6","7","1") = "6"
    & skf18("6","5","1","1","6","8","1") = "7"
    & skf18("6","5","1","1","6","9","1") = "8"
    & skf18("6","5","1","1","6","10","1") = "9"
    & skf18("6","5","1","1","7","1","1") = "6"
    & skf18("6","5","1","1","7","2","1") = "6"
    & skf18("6","5","1","1","7","3","1") = "6"
    & skf18("6","5","1","1","7","4","1") = "6"
    & skf18("6","5","1","1","7","5","1") = "6"
    & skf18("6","5","1","1","7","6","1") = "6"
    & skf18("6","5","1","1","7","7","1") = "6"
    & skf18("6","5","1","1","7","8","1") = "7"
    & skf18("6","5","1","1","7","9","1") = "8"
    & skf18("6","5","1","1","7","10","1") = "9"
    & skf18("6","5","1","1","8","1","1") = "7"
    & skf18("6","5","1","1","8","2","1") = "7"
    & skf18("6","5","1","1","8","3","1") = "7"
    & skf18("6","5","1","1","8","4","1") = "7"
    & skf18("6","5","1","1","8","5","1") = "7"
    & skf18("6","5","1","1","8","6","1") = "7"
    & skf18("6","5","1","1","8","7","1") = "7"
    & skf18("6","5","1","1","8","8","1") = "7"
    & skf18("6","5","1","1","8","9","1") = "8"
    & skf18("6","5","1","1","8","10","1") = "9"
    & skf18("6","5","1","1","9","1","1") = "8"
    & skf18("6","5","1","1","9","2","1") = "8"
    & skf18("6","5","1","1","9","3","1") = "8"
    & skf18("6","5","1","1","9","4","1") = "8"
    & skf18("6","5","1","1","9","5","1") = "8"
    & skf18("6","5","1","1","9","6","1") = "8"
    & skf18("6","5","1","1","9","7","1") = "8"
    & skf18("6","5","1","1","9","8","1") = "8"
    & skf18("6","5","1","1","9","9","1") = "8"
    & skf18("6","5","1","1","9","10","1") = "9"
    & skf18("6","5","1","1","10","1","1") = "9"
    & skf18("6","5","1","1","10","2","1") = "9"
    & skf18("6","5","1","1","10","3","1") = "9"
    & skf18("6","5","1","1","10","4","1") = "9"
    & skf18("6","5","1","1","10","5","1") = "9"
    & skf18("6","5","1","1","10","6","1") = "9"
    & skf18("6","5","1","1","10","7","1") = "9"
    & skf18("6","5","1","1","10","8","1") = "9"
    & skf18("6","5","1","1","10","9","1") = "9"
    & skf18("6","5","1","1","10","10","1") = "9"
    & skf18("6","5","1","2","1","1","1") = "5"
    & skf18("6","5","1","2","1","2","1") = "5"
    & skf18("6","5","1","2","1","3","1") = "5"
    & skf18("6","5","1","2","1","4","1") = "5"
    & skf18("6","5","1","2","1","5","1") = "5"
    & skf18("6","5","1","2","1","6","1") = "5"
    & skf18("6","5","1","2","1","7","1") = "6"
    & skf18("6","5","1","2","1","8","1") = "7"
    & skf18("6","5","1","2","1","9","1") = "8"
    & skf18("6","5","1","2","1","10","1") = "9"
    & skf18("6","5","1","2","2","1","1") = "5"
    & skf18("6","5","1","2","2","2","1") = "5"
    & skf18("6","5","1","2","2","3","1") = "5"
    & skf18("6","5","1","2","2","4","1") = "5"
    & skf18("6","5","1","2","2","5","1") = "5"
    & skf18("6","5","1","2","2","6","1") = "5"
    & skf18("6","5","1","2","2","7","1") = "6"
    & skf18("6","5","1","2","2","8","1") = "7"
    & skf18("6","5","1","2","2","9","1") = "8"
    & skf18("6","5","1","2","2","10","1") = "9"
    & skf18("6","5","1","2","3","1","1") = "5"
    & skf18("6","5","1","2","3","2","1") = "5"
    & skf18("6","5","1","2","3","3","1") = "5"
    & skf18("6","5","1","2","3","4","1") = "5"
    & skf18("6","5","1","2","3","5","1") = "5"
    & skf18("6","5","1","2","3","6","1") = "5"
    & skf18("6","5","1","2","3","7","1") = "6"
    & skf18("6","5","1","2","3","8","1") = "7"
    & skf18("6","5","1","2","3","9","1") = "8"
    & skf18("6","5","1","2","3","10","1") = "9"
    & skf18("6","5","1","2","4","1","1") = "5"
    & skf18("6","5","1","2","4","2","1") = "5"
    & skf18("6","5","1","2","4","3","1") = "5"
    & skf18("6","5","1","2","4","4","1") = "5"
    & skf18("6","5","1","2","4","5","1") = "5"
    & skf18("6","5","1","2","4","6","1") = "5"
    & skf18("6","5","1","2","4","7","1") = "6"
    & skf18("6","5","1","2","4","8","1") = "7"
    & skf18("6","5","1","2","4","9","1") = "8"
    & skf18("6","5","1","2","4","10","1") = "9"
    & skf18("6","5","1","2","5","1","1") = "5"
    & skf18("6","5","1","2","5","2","1") = "5"
    & skf18("6","5","1","2","5","3","1") = "5"
    & skf18("6","5","1","2","5","4","1") = "5"
    & skf18("6","5","1","2","5","5","1") = "5"
    & skf18("6","5","1","2","5","6","1") = "5"
    & skf18("6","5","1","2","5","7","1") = "6"
    & skf18("6","5","1","2","5","8","1") = "7"
    & skf18("6","5","1","2","5","9","1") = "8"
    & skf18("6","5","1","2","5","10","1") = "9"
    & skf18("6","5","1","2","6","1","1") = "5"
    & skf18("6","5","1","2","6","2","1") = "5"
    & skf18("6","5","1","2","6","3","1") = "5"
    & skf18("6","5","1","2","6","4","1") = "5"
    & skf18("6","5","1","2","6","5","1") = "5"
    & skf18("6","5","1","2","6","6","1") = "5"
    & skf18("6","5","1","2","6","7","1") = "6"
    & skf18("6","5","1","2","6","8","1") = "7"
    & skf18("6","5","1","2","6","9","1") = "8"
    & skf18("6","5","1","2","6","10","1") = "9"
    & skf18("6","5","1","2","7","1","1") = "6"
    & skf18("6","5","1","2","7","2","1") = "6"
    & skf18("6","5","1","2","7","3","1") = "6"
    & skf18("6","5","1","2","7","4","1") = "6"
    & skf18("6","5","1","2","7","5","1") = "6"
    & skf18("6","5","1","2","7","6","1") = "6"
    & skf18("6","5","1","2","7","7","1") = "6"
    & skf18("6","5","1","2","7","8","1") = "7"
    & skf18("6","5","1","2","7","9","1") = "8"
    & skf18("6","5","1","2","7","10","1") = "9"
    & skf18("6","5","1","2","8","1","1") = "7"
    & skf18("6","5","1","2","8","2","1") = "7"
    & skf18("6","5","1","2","8","3","1") = "7"
    & skf18("6","5","1","2","8","4","1") = "7"
    & skf18("6","5","1","2","8","5","1") = "7"
    & skf18("6","5","1","2","8","6","1") = "7"
    & skf18("6","5","1","2","8","7","1") = "7"
    & skf18("6","5","1","2","8","8","1") = "7"
    & skf18("6","5","1","2","8","9","1") = "8"
    & skf18("6","5","1","2","8","10","1") = "9"
    & skf18("6","5","1","2","9","1","1") = "8"
    & skf18("6","5","1","2","9","2","1") = "8"
    & skf18("6","5","1","2","9","3","1") = "8"
    & skf18("6","5","1","2","9","4","1") = "8"
    & skf18("6","5","1","2","9","5","1") = "8"
    & skf18("6","5","1","2","9","6","1") = "8"
    & skf18("6","5","1","2","9","7","1") = "8"
    & skf18("6","5","1","2","9","8","1") = "8"
    & skf18("6","5","1","2","9","9","1") = "8"
    & skf18("6","5","1","2","9","10","1") = "9"
    & skf18("6","5","1","2","10","1","1") = "9"
    & skf18("6","5","1","2","10","2","1") = "9"
    & skf18("6","5","1","2","10","3","1") = "9"
    & skf18("6","5","1","2","10","4","1") = "9"
    & skf18("6","5","1","2","10","5","1") = "9"
    & skf18("6","5","1","2","10","6","1") = "9"
    & skf18("6","5","1","2","10","7","1") = "9"
    & skf18("6","5","1","2","10","8","1") = "9"
    & skf18("6","5","1","2","10","9","1") = "9"
    & skf18("6","5","1","2","10","10","1") = "9"
    & skf18("6","5","1","3","1","1","1") = "5"
    & skf18("6","5","1","3","1","2","1") = "5"
    & skf18("6","5","1","3","1","3","1") = "5"
    & skf18("6","5","1","3","1","4","1") = "5"
    & skf18("6","5","1","3","1","5","1") = "5"
    & skf18("6","5","1","3","1","6","1") = "5"
    & skf18("6","5","1","3","1","7","1") = "6"
    & skf18("6","5","1","3","1","8","1") = "7"
    & skf18("6","5","1","3","1","9","1") = "8"
    & skf18("6","5","1","3","1","10","1") = "9"
    & skf18("6","5","1","3","2","1","1") = "5"
    & skf18("6","5","1","3","2","2","1") = "5"
    & skf18("6","5","1","3","2","3","1") = "5"
    & skf18("6","5","1","3","2","4","1") = "5"
    & skf18("6","5","1","3","2","5","1") = "5"
    & skf18("6","5","1","3","2","6","1") = "5"
    & skf18("6","5","1","3","2","7","1") = "6"
    & skf18("6","5","1","3","2","8","1") = "7"
    & skf18("6","5","1","3","2","9","1") = "8"
    & skf18("6","5","1","3","2","10","1") = "9"
    & skf18("6","5","1","3","3","1","1") = "5"
    & skf18("6","5","1","3","3","2","1") = "5"
    & skf18("6","5","1","3","3","3","1") = "5"
    & skf18("6","5","1","3","3","4","1") = "5"
    & skf18("6","5","1","3","3","5","1") = "5"
    & skf18("6","5","1","3","3","6","1") = "5"
    & skf18("6","5","1","3","3","7","1") = "6"
    & skf18("6","5","1","3","3","8","1") = "7"
    & skf18("6","5","1","3","3","9","1") = "8"
    & skf18("6","5","1","3","3","10","1") = "9"
    & skf18("6","5","1","3","4","1","1") = "5"
    & skf18("6","5","1","3","4","2","1") = "5"
    & skf18("6","5","1","3","4","3","1") = "5"
    & skf18("6","5","1","3","4","4","1") = "5"
    & skf18("6","5","1","3","4","5","1") = "5"
    & skf18("6","5","1","3","4","6","1") = "5"
    & skf18("6","5","1","3","4","7","1") = "6"
    & skf18("6","5","1","3","4","8","1") = "7"
    & skf18("6","5","1","3","4","9","1") = "8"
    & skf18("6","5","1","3","4","10","1") = "9"
    & skf18("6","5","1","3","5","1","1") = "5"
    & skf18("6","5","1","3","5","2","1") = "5"
    & skf18("6","5","1","3","5","3","1") = "5"
    & skf18("6","5","1","3","5","4","1") = "5"
    & skf18("6","5","1","3","5","5","1") = "5"
    & skf18("6","5","1","3","5","6","1") = "5"
    & skf18("6","5","1","3","5","7","1") = "6"
    & skf18("6","5","1","3","5","8","1") = "7"
    & skf18("6","5","1","3","5","9","1") = "8"
    & skf18("6","5","1","3","5","10","1") = "9"
    & skf18("6","5","1","3","6","1","1") = "5"
    & skf18("6","5","1","3","6","2","1") = "5"
    & skf18("6","5","1","3","6","3","1") = "5"
    & skf18("6","5","1","3","6","4","1") = "5"
    & skf18("6","5","1","3","6","5","1") = "5"
    & skf18("6","5","1","3","6","6","1") = "5"
    & skf18("6","5","1","3","6","7","1") = "6"
    & skf18("6","5","1","3","6","8","1") = "7"
    & skf18("6","5","1","3","6","9","1") = "8"
    & skf18("6","5","1","3","6","10","1") = "9"
    & skf18("6","5","1","3","7","1","1") = "6"
    & skf18("6","5","1","3","7","2","1") = "6"
    & skf18("6","5","1","3","7","3","1") = "6"
    & skf18("6","5","1","3","7","4","1") = "6"
    & skf18("6","5","1","3","7","5","1") = "6"
    & skf18("6","5","1","3","7","6","1") = "6"
    & skf18("6","5","1","3","7","7","1") = "6"
    & skf18("6","5","1","3","7","8","1") = "7"
    & skf18("6","5","1","3","7","9","1") = "8"
    & skf18("6","5","1","3","7","10","1") = "9"
    & skf18("6","5","1","3","8","1","1") = "7"
    & skf18("6","5","1","3","8","2","1") = "7"
    & skf18("6","5","1","3","8","3","1") = "7"
    & skf18("6","5","1","3","8","4","1") = "7"
    & skf18("6","5","1","3","8","5","1") = "7"
    & skf18("6","5","1","3","8","6","1") = "7"
    & skf18("6","5","1","3","8","7","1") = "7"
    & skf18("6","5","1","3","8","8","1") = "7"
    & skf18("6","5","1","3","8","9","1") = "8"
    & skf18("6","5","1","3","8","10","1") = "9"
    & skf18("6","5","1","3","9","1","1") = "8"
    & skf18("6","5","1","3","9","2","1") = "8"
    & skf18("6","5","1","3","9","3","1") = "8"
    & skf18("6","5","1","3","9","4","1") = "8"
    & skf18("6","5","1","3","9","5","1") = "8"
    & skf18("6","5","1","3","9","6","1") = "8"
    & skf18("6","5","1","3","9","7","1") = "8"
    & skf18("6","5","1","3","9","8","1") = "8"
    & skf18("6","5","1","3","9","9","1") = "8"
    & skf18("6","5","1","3","9","10","1") = "9"
    & skf18("6","5","1","3","10","1","1") = "9"
    & skf18("6","5","1","3","10","2","1") = "9"
    & skf18("6","5","1","3","10","3","1") = "9"
    & skf18("6","5","1","3","10","4","1") = "9"
    & skf18("6","5","1","3","10","5","1") = "9"
    & skf18("6","5","1","3","10","6","1") = "9"
    & skf18("6","5","1","3","10","7","1") = "9"
    & skf18("6","5","1","3","10","8","1") = "9"
    & skf18("6","5","1","3","10","9","1") = "9"
    & skf18("6","5","1","3","10","10","1") = "9"
    & skf18("6","5","1","4","1","1","1") = "5"
    & skf18("6","5","1","4","1","2","1") = "5"
    & skf18("6","5","1","4","1","3","1") = "5"
    & skf18("6","5","1","4","1","4","1") = "5"
    & skf18("6","5","1","4","1","5","1") = "5"
    & skf18("6","5","1","4","1","6","1") = "5"
    & skf18("6","5","1","4","1","7","1") = "6"
    & skf18("6","5","1","4","1","8","1") = "7"
    & skf18("6","5","1","4","1","9","1") = "8"
    & skf18("6","5","1","4","1","10","1") = "9"
    & skf18("6","5","1","4","2","1","1") = "5"
    & skf18("6","5","1","4","2","2","1") = "5"
    & skf18("6","5","1","4","2","3","1") = "5"
    & skf18("6","5","1","4","2","4","1") = "5"
    & skf18("6","5","1","4","2","5","1") = "5"
    & skf18("6","5","1","4","2","6","1") = "5"
    & skf18("6","5","1","4","2","7","1") = "6"
    & skf18("6","5","1","4","2","8","1") = "7"
    & skf18("6","5","1","4","2","9","1") = "8"
    & skf18("6","5","1","4","2","10","1") = "9"
    & skf18("6","5","1","4","3","1","1") = "5"
    & skf18("6","5","1","4","3","2","1") = "5"
    & skf18("6","5","1","4","3","3","1") = "5"
    & skf18("6","5","1","4","3","4","1") = "5"
    & skf18("6","5","1","4","3","5","1") = "5"
    & skf18("6","5","1","4","3","6","1") = "5"
    & skf18("6","5","1","4","3","7","1") = "6"
    & skf18("6","5","1","4","3","8","1") = "7"
    & skf18("6","5","1","4","3","9","1") = "8"
    & skf18("6","5","1","4","3","10","1") = "9"
    & skf18("6","5","1","4","4","1","1") = "5"
    & skf18("6","5","1","4","4","2","1") = "5"
    & skf18("6","5","1","4","4","3","1") = "5"
    & skf18("6","5","1","4","4","4","1") = "5"
    & skf18("6","5","1","4","4","5","1") = "5"
    & skf18("6","5","1","4","4","6","1") = "5"
    & skf18("6","5","1","4","4","7","1") = "6"
    & skf18("6","5","1","4","4","8","1") = "7"
    & skf18("6","5","1","4","4","9","1") = "8"
    & skf18("6","5","1","4","4","10","1") = "9"
    & skf18("6","5","1","4","5","1","1") = "5"
    & skf18("6","5","1","4","5","2","1") = "5"
    & skf18("6","5","1","4","5","3","1") = "5"
    & skf18("6","5","1","4","5","4","1") = "5"
    & skf18("6","5","1","4","5","5","1") = "5"
    & skf18("6","5","1","4","5","6","1") = "5"
    & skf18("6","5","1","4","5","7","1") = "6"
    & skf18("6","5","1","4","5","8","1") = "7"
    & skf18("6","5","1","4","5","9","1") = "8"
    & skf18("6","5","1","4","5","10","1") = "9"
    & skf18("6","5","1","4","6","1","1") = "5"
    & skf18("6","5","1","4","6","2","1") = "5"
    & skf18("6","5","1","4","6","3","1") = "5"
    & skf18("6","5","1","4","6","4","1") = "5"
    & skf18("6","5","1","4","6","5","1") = "5"
    & skf18("6","5","1","4","6","6","1") = "5"
    & skf18("6","5","1","4","6","7","1") = "6"
    & skf18("6","5","1","4","6","8","1") = "7"
    & skf18("6","5","1","4","6","9","1") = "8"
    & skf18("6","5","1","4","6","10","1") = "9"
    & skf18("6","5","1","4","7","1","1") = "6"
    & skf18("6","5","1","4","7","2","1") = "6"
    & skf18("6","5","1","4","7","3","1") = "6"
    & skf18("6","5","1","4","7","4","1") = "6"
    & skf18("6","5","1","4","7","5","1") = "6"
    & skf18("6","5","1","4","7","6","1") = "6"
    & skf18("6","5","1","4","7","7","1") = "6"
    & skf18("6","5","1","4","7","8","1") = "7"
    & skf18("6","5","1","4","7","9","1") = "8"
    & skf18("6","5","1","4","7","10","1") = "9"
    & skf18("6","5","1","4","8","1","1") = "7"
    & skf18("6","5","1","4","8","2","1") = "7"
    & skf18("6","5","1","4","8","3","1") = "7"
    & skf18("6","5","1","4","8","4","1") = "7"
    & skf18("6","5","1","4","8","5","1") = "7"
    & skf18("6","5","1","4","8","6","1") = "7"
    & skf18("6","5","1","4","8","7","1") = "7"
    & skf18("6","5","1","4","8","8","1") = "7"
    & skf18("6","5","1","4","8","9","1") = "8"
    & skf18("6","5","1","4","8","10","1") = "9"
    & skf18("6","5","1","4","9","1","1") = "8"
    & skf18("6","5","1","4","9","2","1") = "8"
    & skf18("6","5","1","4","9","3","1") = "8"
    & skf18("6","5","1","4","9","4","1") = "8"
    & skf18("6","5","1","4","9","5","1") = "8"
    & skf18("6","5","1","4","9","6","1") = "8"
    & skf18("6","5","1","4","9","7","1") = "8"
    & skf18("6","5","1","4","9","8","1") = "8"
    & skf18("6","5","1","4","9","9","1") = "8"
    & skf18("6","5","1","4","9","10","1") = "9"
    & skf18("6","5","1","4","10","1","1") = "9"
    & skf18("6","5","1","4","10","2","1") = "9"
    & skf18("6","5","1","4","10","3","1") = "9"
    & skf18("6","5","1","4","10","4","1") = "9"
    & skf18("6","5","1","4","10","5","1") = "9"
    & skf18("6","5","1","4","10","6","1") = "9"
    & skf18("6","5","1","4","10","7","1") = "9"
    & skf18("6","5","1","4","10","8","1") = "9"
    & skf18("6","5","1","4","10","9","1") = "9"
    & skf18("6","5","1","4","10","10","1") = "9"
    & skf18("6","5","1","5","1","1","1") = "5"
    & skf18("6","5","1","5","1","2","1") = "5"
    & skf18("6","5","1","5","1","3","1") = "5"
    & skf18("6","5","1","5","1","4","1") = "5"
    & skf18("6","5","1","5","1","5","1") = "5"
    & skf18("6","5","1","5","1","6","1") = "5"
    & skf18("6","5","1","5","1","7","1") = "6"
    & skf18("6","5","1","5","1","8","1") = "7"
    & skf18("6","5","1","5","1","9","1") = "8"
    & skf18("6","5","1","5","1","10","1") = "9"
    & skf18("6","5","1","5","2","1","1") = "5"
    & skf18("6","5","1","5","2","2","1") = "5"
    & skf18("6","5","1","5","2","3","1") = "5"
    & skf18("6","5","1","5","2","4","1") = "5"
    & skf18("6","5","1","5","2","5","1") = "5"
    & skf18("6","5","1","5","2","6","1") = "5"
    & skf18("6","5","1","5","2","7","1") = "6"
    & skf18("6","5","1","5","2","8","1") = "7"
    & skf18("6","5","1","5","2","9","1") = "8"
    & skf18("6","5","1","5","2","10","1") = "9"
    & skf18("6","5","1","5","3","1","1") = "5"
    & skf18("6","5","1","5","3","2","1") = "5"
    & skf18("6","5","1","5","3","3","1") = "5"
    & skf18("6","5","1","5","3","4","1") = "5"
    & skf18("6","5","1","5","3","5","1") = "5"
    & skf18("6","5","1","5","3","6","1") = "5"
    & skf18("6","5","1","5","3","7","1") = "6"
    & skf18("6","5","1","5","3","8","1") = "7"
    & skf18("6","5","1","5","3","9","1") = "8"
    & skf18("6","5","1","5","3","10","1") = "9"
    & skf18("6","5","1","5","4","1","1") = "5"
    & skf18("6","5","1","5","4","2","1") = "5"
    & skf18("6","5","1","5","4","3","1") = "5"
    & skf18("6","5","1","5","4","4","1") = "5"
    & skf18("6","5","1","5","4","5","1") = "5"
    & skf18("6","5","1","5","4","6","1") = "5"
    & skf18("6","5","1","5","4","7","1") = "6"
    & skf18("6","5","1","5","4","8","1") = "7"
    & skf18("6","5","1","5","4","9","1") = "8"
    & skf18("6","5","1","5","4","10","1") = "9"
    & skf18("6","5","1","5","5","1","1") = "5"
    & skf18("6","5","1","5","5","2","1") = "5"
    & skf18("6","5","1","5","5","3","1") = "5"
    & skf18("6","5","1","5","5","4","1") = "5"
    & skf18("6","5","1","5","5","5","1") = "5"
    & skf18("6","5","1","5","5","6","1") = "5"
    & skf18("6","5","1","5","5","7","1") = "6"
    & skf18("6","5","1","5","5","8","1") = "7"
    & skf18("6","5","1","5","5","9","1") = "8"
    & skf18("6","5","1","5","5","10","1") = "9"
    & skf18("6","5","1","5","6","1","1") = "5"
    & skf18("6","5","1","5","6","2","1") = "5"
    & skf18("6","5","1","5","6","3","1") = "5"
    & skf18("6","5","1","5","6","4","1") = "5"
    & skf18("6","5","1","5","6","5","1") = "5"
    & skf18("6","5","1","5","6","6","1") = "5"
    & skf18("6","5","1","5","6","7","1") = "6"
    & skf18("6","5","1","5","6","8","1") = "7"
    & skf18("6","5","1","5","6","9","1") = "8"
    & skf18("6","5","1","5","6","10","1") = "9"
    & skf18("6","5","1","5","7","1","1") = "6"
    & skf18("6","5","1","5","7","2","1") = "6"
    & skf18("6","5","1","5","7","3","1") = "6"
    & skf18("6","5","1","5","7","4","1") = "6"
    & skf18("6","5","1","5","7","5","1") = "6"
    & skf18("6","5","1","5","7","6","1") = "6"
    & skf18("6","5","1","5","7","7","1") = "6"
    & skf18("6","5","1","5","7","8","1") = "7"
    & skf18("6","5","1","5","7","9","1") = "8"
    & skf18("6","5","1","5","7","10","1") = "9"
    & skf18("6","5","1","5","8","1","1") = "7"
    & skf18("6","5","1","5","8","2","1") = "7"
    & skf18("6","5","1","5","8","3","1") = "7"
    & skf18("6","5","1","5","8","4","1") = "7"
    & skf18("6","5","1","5","8","5","1") = "7"
    & skf18("6","5","1","5","8","6","1") = "7"
    & skf18("6","5","1","5","8","7","1") = "7"
    & skf18("6","5","1","5","8","8","1") = "7"
    & skf18("6","5","1","5","8","9","1") = "8"
    & skf18("6","5","1","5","8","10","1") = "9"
    & skf18("6","5","1","5","9","1","1") = "8"
    & skf18("6","5","1","5","9","2","1") = "8"
    & skf18("6","5","1","5","9","3","1") = "8"
    & skf18("6","5","1","5","9","4","1") = "8"
    & skf18("6","5","1","5","9","5","1") = "8"
    & skf18("6","5","1","5","9","6","1") = "8"
    & skf18("6","5","1","5","9","7","1") = "8"
    & skf18("6","5","1","5","9","8","1") = "8"
    & skf18("6","5","1","5","9","9","1") = "8"
    & skf18("6","5","1","5","9","10","1") = "9"
    & skf18("6","5","1","5","10","1","1") = "9"
    & skf18("6","5","1","5","10","2","1") = "9"
    & skf18("6","5","1","5","10","3","1") = "9"
    & skf18("6","5","1","5","10","4","1") = "9"
    & skf18("6","5","1","5","10","5","1") = "9"
    & skf18("6","5","1","5","10","6","1") = "9"
    & skf18("6","5","1","5","10","7","1") = "9"
    & skf18("6","5","1","5","10","8","1") = "9"
    & skf18("6","5","1","5","10","9","1") = "9"
    & skf18("6","5","1","5","10","10","1") = "9"
    & skf18("6","5","1","6","1","1","1") = "5"
    & skf18("6","5","1","6","1","2","1") = "5"
    & skf18("6","5","1","6","1","3","1") = "5"
    & skf18("6","5","1","6","1","4","1") = "5"
    & skf18("6","5","1","6","1","5","1") = "5"
    & skf18("6","5","1","6","1","6","1") = "5"
    & skf18("6","5","1","6","1","7","1") = "6"
    & skf18("6","5","1","6","1","8","1") = "7"
    & skf18("6","5","1","6","1","9","1") = "8"
    & skf18("6","5","1","6","1","10","1") = "9"
    & skf18("6","5","1","6","2","1","1") = "5"
    & skf18("6","5","1","6","2","2","1") = "5"
    & skf18("6","5","1","6","2","3","1") = "5"
    & skf18("6","5","1","6","2","4","1") = "5"
    & skf18("6","5","1","6","2","5","1") = "5"
    & skf18("6","5","1","6","2","6","1") = "5"
    & skf18("6","5","1","6","2","7","1") = "6"
    & skf18("6","5","1","6","2","8","1") = "7"
    & skf18("6","5","1","6","2","9","1") = "8"
    & skf18("6","5","1","6","2","10","1") = "9"
    & skf18("6","5","1","6","3","1","1") = "5"
    & skf18("6","5","1","6","3","2","1") = "5"
    & skf18("6","5","1","6","3","3","1") = "5"
    & skf18("6","5","1","6","3","4","1") = "5"
    & skf18("6","5","1","6","3","5","1") = "5"
    & skf18("6","5","1","6","3","6","1") = "5"
    & skf18("6","5","1","6","3","7","1") = "6"
    & skf18("6","5","1","6","3","8","1") = "7"
    & skf18("6","5","1","6","3","9","1") = "8"
    & skf18("6","5","1","6","3","10","1") = "9"
    & skf18("6","5","1","6","4","1","1") = "5"
    & skf18("6","5","1","6","4","2","1") = "5"
    & skf18("6","5","1","6","4","3","1") = "5"
    & skf18("6","5","1","6","4","4","1") = "5"
    & skf18("6","5","1","6","4","5","1") = "5"
    & skf18("6","5","1","6","4","6","1") = "5"
    & skf18("6","5","1","6","4","7","1") = "6"
    & skf18("6","5","1","6","4","8","1") = "7"
    & skf18("6","5","1","6","4","9","1") = "8"
    & skf18("6","5","1","6","4","10","1") = "9"
    & skf18("6","5","1","6","5","1","1") = "5"
    & skf18("6","5","1","6","5","2","1") = "5"
    & skf18("6","5","1","6","5","3","1") = "5"
    & skf18("6","5","1","6","5","4","1") = "5"
    & skf18("6","5","1","6","5","5","1") = "5"
    & skf18("6","5","1","6","5","6","1") = "5"
    & skf18("6","5","1","6","5","7","1") = "6"
    & skf18("6","5","1","6","5","8","1") = "7"
    & skf18("6","5","1","6","5","9","1") = "8"
    & skf18("6","5","1","6","5","10","1") = "9"
    & skf18("6","5","1","6","6","1","1") = "5"
    & skf18("6","5","1","6","6","2","1") = "5"
    & skf18("6","5","1","6","6","3","1") = "5"
    & skf18("6","5","1","6","6","4","1") = "5"
    & skf18("6","5","1","6","6","5","1") = "5"
    & skf18("6","5","1","6","6","6","1") = "5"
    & skf18("6","5","1","6","6","7","1") = "6"
    & skf18("6","5","1","6","6","8","1") = "7"
    & skf18("6","5","1","6","6","9","1") = "8"
    & skf18("6","5","1","6","6","10","1") = "9"
    & skf18("6","5","1","6","7","1","1") = "6"
    & skf18("6","5","1","6","7","2","1") = "6"
    & skf18("6","5","1","6","7","3","1") = "6"
    & skf18("6","5","1","6","7","4","1") = "6"
    & skf18("6","5","1","6","7","5","1") = "6"
    & skf18("6","5","1","6","7","6","1") = "6"
    & skf18("6","5","1","6","7","7","1") = "6"
    & skf18("6","5","1","6","7","8","1") = "7"
    & skf18("6","5","1","6","7","9","1") = "8"
    & skf18("6","5","1","6","7","10","1") = "9"
    & skf18("6","5","1","6","8","1","1") = "7"
    & skf18("6","5","1","6","8","2","1") = "7"
    & skf18("6","5","1","6","8","3","1") = "7"
    & skf18("6","5","1","6","8","4","1") = "7"
    & skf18("6","5","1","6","8","5","1") = "7"
    & skf18("6","5","1","6","8","6","1") = "7"
    & skf18("6","5","1","6","8","7","1") = "7"
    & skf18("6","5","1","6","8","8","1") = "7"
    & skf18("6","5","1","6","8","9","1") = "8"
    & skf18("6","5","1","6","8","10","1") = "9"
    & skf18("6","5","1","6","9","1","1") = "8"
    & skf18("6","5","1","6","9","2","1") = "8"
    & skf18("6","5","1","6","9","3","1") = "8"
    & skf18("6","5","1","6","9","4","1") = "8"
    & skf18("6","5","1","6","9","5","1") = "8"
    & skf18("6","5","1","6","9","6","1") = "8"
    & skf18("6","5","1","6","9","7","1") = "8"
    & skf18("6","5","1","6","9","8","1") = "8"
    & skf18("6","5","1","6","9","9","1") = "8"
    & skf18("6","5","1","6","9","10","1") = "9"
    & skf18("6","5","1","6","10","1","1") = "9"
    & skf18("6","5","1","6","10","2","1") = "9"
    & skf18("6","5","1","6","10","3","1") = "9"
    & skf18("6","5","1","6","10","4","1") = "9"
    & skf18("6","5","1","6","10","5","1") = "9"
    & skf18("6","5","1","6","10","6","1") = "9"
    & skf18("6","5","1","6","10","7","1") = "9"
    & skf18("6","5","1","6","10","8","1") = "9"
    & skf18("6","5","1","6","10","9","1") = "9"
    & skf18("6","5","1","6","10","10","1") = "9"
    & skf18("6","5","1","7","1","1","1") = "6"
    & skf18("6","5","1","7","1","2","1") = "6"
    & skf18("6","5","1","7","1","3","1") = "6"
    & skf18("6","5","1","7","1","4","1") = "6"
    & skf18("6","5","1","7","1","5","1") = "6"
    & skf18("6","5","1","7","1","6","1") = "6"
    & skf18("6","5","1","7","1","7","1") = "6"
    & skf18("6","5","1","7","1","8","1") = "7"
    & skf18("6","5","1","7","1","9","1") = "8"
    & skf18("6","5","1","7","1","10","1") = "9"
    & skf18("6","5","1","7","2","1","1") = "6"
    & skf18("6","5","1","7","2","2","1") = "6"
    & skf18("6","5","1","7","2","3","1") = "6"
    & skf18("6","5","1","7","2","4","1") = "6"
    & skf18("6","5","1","7","2","5","1") = "6"
    & skf18("6","5","1","7","2","6","1") = "6"
    & skf18("6","5","1","7","2","7","1") = "6"
    & skf18("6","5","1","7","2","8","1") = "7"
    & skf18("6","5","1","7","2","9","1") = "8"
    & skf18("6","5","1","7","2","10","1") = "9"
    & skf18("6","5","1","7","3","1","1") = "6"
    & skf18("6","5","1","7","3","2","1") = "6"
    & skf18("6","5","1","7","3","3","1") = "6"
    & skf18("6","5","1","7","3","4","1") = "6"
    & skf18("6","5","1","7","3","5","1") = "6"
    & skf18("6","5","1","7","3","6","1") = "6"
    & skf18("6","5","1","7","3","7","1") = "6"
    & skf18("6","5","1","7","3","8","1") = "7"
    & skf18("6","5","1","7","3","9","1") = "8"
    & skf18("6","5","1","7","3","10","1") = "9"
    & skf18("6","5","1","7","4","1","1") = "6"
    & skf18("6","5","1","7","4","2","1") = "6"
    & skf18("6","5","1","7","4","3","1") = "6"
    & skf18("6","5","1","7","4","4","1") = "6"
    & skf18("6","5","1","7","4","5","1") = "6"
    & skf18("6","5","1","7","4","6","1") = "6"
    & skf18("6","5","1","7","4","7","1") = "6"
    & skf18("6","5","1","7","4","8","1") = "7"
    & skf18("6","5","1","7","4","9","1") = "8"
    & skf18("6","5","1","7","4","10","1") = "9"
    & skf18("6","5","1","7","5","1","1") = "6"
    & skf18("6","5","1","7","5","2","1") = "6"
    & skf18("6","5","1","7","5","3","1") = "6"
    & skf18("6","5","1","7","5","4","1") = "6"
    & skf18("6","5","1","7","5","5","1") = "6"
    & skf18("6","5","1","7","5","6","1") = "6"
    & skf18("6","5","1","7","5","7","1") = "6"
    & skf18("6","5","1","7","5","8","1") = "7"
    & skf18("6","5","1","7","5","9","1") = "8"
    & skf18("6","5","1","7","5","10","1") = "9"
    & skf18("6","5","1","7","6","1","1") = "6"
    & skf18("6","5","1","7","6","2","1") = "6"
    & skf18("6","5","1","7","6","3","1") = "6"
    & skf18("6","5","1","7","6","4","1") = "6"
    & skf18("6","5","1","7","6","5","1") = "6"
    & skf18("6","5","1","7","6","6","1") = "6"
    & skf18("6","5","1","7","6","7","1") = "6"
    & skf18("6","5","1","7","6","8","1") = "7"
    & skf18("6","5","1","7","6","9","1") = "8"
    & skf18("6","5","1","7","6","10","1") = "9"
    & skf18("6","5","1","7","7","1","1") = "6"
    & skf18("6","5","1","7","7","2","1") = "6"
    & skf18("6","5","1","7","7","3","1") = "6"
    & skf18("6","5","1","7","7","4","1") = "6"
    & skf18("6","5","1","7","7","5","1") = "6"
    & skf18("6","5","1","7","7","6","1") = "6"
    & skf18("6","5","1","7","7","7","1") = "6"
    & skf18("6","5","1","7","7","8","1") = "7"
    & skf18("6","5","1","7","7","9","1") = "8"
    & skf18("6","5","1","7","7","10","1") = "9"
    & skf18("6","5","1","7","8","1","1") = "7"
    & skf18("6","5","1","7","8","2","1") = "7"
    & skf18("6","5","1","7","8","3","1") = "7"
    & skf18("6","5","1","7","8","4","1") = "7"
    & skf18("6","5","1","7","8","5","1") = "7"
    & skf18("6","5","1","7","8","6","1") = "7"
    & skf18("6","5","1","7","8","7","1") = "7"
    & skf18("6","5","1","7","8","8","1") = "7"
    & skf18("6","5","1","7","8","9","1") = "8"
    & skf18("6","5","1","7","8","10","1") = "9"
    & skf18("6","5","1","7","9","1","1") = "8"
    & skf18("6","5","1","7","9","2","1") = "8"
    & skf18("6","5","1","7","9","3","1") = "8"
    & skf18("6","5","1","7","9","4","1") = "8"
    & skf18("6","5","1","7","9","5","1") = "8"
    & skf18("6","5","1","7","9","6","1") = "8"
    & skf18("6","5","1","7","9","7","1") = "8"
    & skf18("6","5","1","7","9","8","1") = "8"
    & skf18("6","5","1","7","9","9","1") = "8"
    & skf18("6","5","1","7","9","10","1") = "9"
    & skf18("6","5","1","7","10","1","1") = "9"
    & skf18("6","5","1","7","10","2","1") = "9"
    & skf18("6","5","1","7","10","3","1") = "9"
    & skf18("6","5","1","7","10","4","1") = "9"
    & skf18("6","5","1","7","10","5","1") = "9"
    & skf18("6","5","1","7","10","6","1") = "9"
    & skf18("6","5","1","7","10","7","1") = "9"
    & skf18("6","5","1","7","10","8","1") = "9"
    & skf18("6","5","1","7","10","9","1") = "9"
    & skf18("6","5","1","7","10","10","1") = "9"
    & skf18("6","5","1","8","1","1","1") = "7"
    & skf18("6","5","1","8","1","2","1") = "7"
    & skf18("6","5","1","8","1","3","1") = "7"
    & skf18("6","5","1","8","1","4","1") = "7"
    & skf18("6","5","1","8","1","5","1") = "7"
    & skf18("6","5","1","8","1","6","1") = "7"
    & skf18("6","5","1","8","1","7","1") = "7"
    & skf18("6","5","1","8","1","8","1") = "7"
    & skf18("6","5","1","8","1","9","1") = "8"
    & skf18("6","5","1","8","1","10","1") = "9"
    & skf18("6","5","1","8","2","1","1") = "7"
    & skf18("6","5","1","8","2","2","1") = "7"
    & skf18("6","5","1","8","2","3","1") = "7"
    & skf18("6","5","1","8","2","4","1") = "7"
    & skf18("6","5","1","8","2","5","1") = "7"
    & skf18("6","5","1","8","2","6","1") = "7"
    & skf18("6","5","1","8","2","7","1") = "7"
    & skf18("6","5","1","8","2","8","1") = "7"
    & skf18("6","5","1","8","2","9","1") = "8"
    & skf18("6","5","1","8","2","10","1") = "9"
    & skf18("6","5","1","8","3","1","1") = "7"
    & skf18("6","5","1","8","3","2","1") = "7"
    & skf18("6","5","1","8","3","3","1") = "7"
    & skf18("6","5","1","8","3","4","1") = "7"
    & skf18("6","5","1","8","3","5","1") = "7"
    & skf18("6","5","1","8","3","6","1") = "7"
    & skf18("6","5","1","8","3","7","1") = "7"
    & skf18("6","5","1","8","3","8","1") = "7"
    & skf18("6","5","1","8","3","9","1") = "8"
    & skf18("6","5","1","8","3","10","1") = "9"
    & skf18("6","5","1","8","4","1","1") = "7"
    & skf18("6","5","1","8","4","2","1") = "7"
    & skf18("6","5","1","8","4","3","1") = "7"
    & skf18("6","5","1","8","4","4","1") = "7"
    & skf18("6","5","1","8","4","5","1") = "7"
    & skf18("6","5","1","8","4","6","1") = "7"
    & skf18("6","5","1","8","4","7","1") = "7"
    & skf18("6","5","1","8","4","8","1") = "7"
    & skf18("6","5","1","8","4","9","1") = "8"
    & skf18("6","5","1","8","4","10","1") = "9"
    & skf18("6","5","1","8","5","1","1") = "7"
    & skf18("6","5","1","8","5","2","1") = "7"
    & skf18("6","5","1","8","5","3","1") = "7"
    & skf18("6","5","1","8","5","4","1") = "7"
    & skf18("6","5","1","8","5","5","1") = "7"
    & skf18("6","5","1","8","5","6","1") = "7"
    & skf18("6","5","1","8","5","7","1") = "7"
    & skf18("6","5","1","8","5","8","1") = "7"
    & skf18("6","5","1","8","5","9","1") = "8"
    & skf18("6","5","1","8","5","10","1") = "9"
    & skf18("6","5","1","8","6","1","1") = "7"
    & skf18("6","5","1","8","6","2","1") = "7"
    & skf18("6","5","1","8","6","3","1") = "7"
    & skf18("6","5","1","8","6","4","1") = "7"
    & skf18("6","5","1","8","6","5","1") = "7"
    & skf18("6","5","1","8","6","6","1") = "7"
    & skf18("6","5","1","8","6","7","1") = "7"
    & skf18("6","5","1","8","6","8","1") = "7"
    & skf18("6","5","1","8","6","9","1") = "8"
    & skf18("6","5","1","8","6","10","1") = "9"
    & skf18("6","5","1","8","7","1","1") = "7"
    & skf18("6","5","1","8","7","2","1") = "7"
    & skf18("6","5","1","8","7","3","1") = "7"
    & skf18("6","5","1","8","7","4","1") = "7"
    & skf18("6","5","1","8","7","5","1") = "7"
    & skf18("6","5","1","8","7","6","1") = "7"
    & skf18("6","5","1","8","7","7","1") = "7"
    & skf18("6","5","1","8","7","8","1") = "7"
    & skf18("6","5","1","8","7","9","1") = "8"
    & skf18("6","5","1","8","7","10","1") = "9"
    & skf18("6","5","1","8","8","1","1") = "7"
    & skf18("6","5","1","8","8","2","1") = "7"
    & skf18("6","5","1","8","8","3","1") = "7"
    & skf18("6","5","1","8","8","4","1") = "7"
    & skf18("6","5","1","8","8","5","1") = "7"
    & skf18("6","5","1","8","8","6","1") = "7"
    & skf18("6","5","1","8","8","7","1") = "7"
    & skf18("6","5","1","8","8","8","1") = "7"
    & skf18("6","5","1","8","8","9","1") = "8"
    & skf18("6","5","1","8","8","10","1") = "9"
    & skf18("6","5","1","8","9","1","1") = "8"
    & skf18("6","5","1","8","9","2","1") = "8"
    & skf18("6","5","1","8","9","3","1") = "8"
    & skf18("6","5","1","8","9","4","1") = "8"
    & skf18("6","5","1","8","9","5","1") = "8"
    & skf18("6","5","1","8","9","6","1") = "8"
    & skf18("6","5","1","8","9","7","1") = "8"
    & skf18("6","5","1","8","9","8","1") = "8"
    & skf18("6","5","1","8","9","9","1") = "8"
    & skf18("6","5","1","8","9","10","1") = "9"
    & skf18("6","5","1","8","10","1","1") = "9"
    & skf18("6","5","1","8","10","2","1") = "9"
    & skf18("6","5","1","8","10","3","1") = "9"
    & skf18("6","5","1","8","10","4","1") = "9"
    & skf18("6","5","1","8","10","5","1") = "9"
    & skf18("6","5","1","8","10","6","1") = "9"
    & skf18("6","5","1","8","10","7","1") = "9"
    & skf18("6","5","1","8","10","8","1") = "9"
    & skf18("6","5","1","8","10","9","1") = "9"
    & skf18("6","5","1","8","10","10","1") = "9"
    & skf18("6","5","1","9","1","1","1") = "8"
    & skf18("6","5","1","9","1","2","1") = "8"
    & skf18("6","5","1","9","1","3","1") = "8"
    & skf18("6","5","1","9","1","4","1") = "8"
    & skf18("6","5","1","9","1","5","1") = "8"
    & skf18("6","5","1","9","1","6","1") = "8"
    & skf18("6","5","1","9","1","7","1") = "8"
    & skf18("6","5","1","9","1","8","1") = "8"
    & skf18("6","5","1","9","1","9","1") = "8"
    & skf18("6","5","1","9","1","10","1") = "9"
    & skf18("6","5","1","9","2","1","1") = "8"
    & skf18("6","5","1","9","2","2","1") = "8"
    & skf18("6","5","1","9","2","3","1") = "8"
    & skf18("6","5","1","9","2","4","1") = "8"
    & skf18("6","5","1","9","2","5","1") = "8"
    & skf18("6","5","1","9","2","6","1") = "8"
    & skf18("6","5","1","9","2","7","1") = "8"
    & skf18("6","5","1","9","2","8","1") = "8"
    & skf18("6","5","1","9","2","9","1") = "8"
    & skf18("6","5","1","9","2","10","1") = "9"
    & skf18("6","5","1","9","3","1","1") = "8"
    & skf18("6","5","1","9","3","2","1") = "8"
    & skf18("6","5","1","9","3","3","1") = "8"
    & skf18("6","5","1","9","3","4","1") = "8"
    & skf18("6","5","1","9","3","5","1") = "8"
    & skf18("6","5","1","9","3","6","1") = "8"
    & skf18("6","5","1","9","3","7","1") = "8"
    & skf18("6","5","1","9","3","8","1") = "8"
    & skf18("6","5","1","9","3","9","1") = "8"
    & skf18("6","5","1","9","3","10","1") = "9"
    & skf18("6","5","1","9","4","1","1") = "8"
    & skf18("6","5","1","9","4","2","1") = "8"
    & skf18("6","5","1","9","4","3","1") = "8"
    & skf18("6","5","1","9","4","4","1") = "8"
    & skf18("6","5","1","9","4","5","1") = "8"
    & skf18("6","5","1","9","4","6","1") = "8"
    & skf18("6","5","1","9","4","7","1") = "8"
    & skf18("6","5","1","9","4","8","1") = "8"
    & skf18("6","5","1","9","4","9","1") = "8"
    & skf18("6","5","1","9","4","10","1") = "9"
    & skf18("6","5","1","9","5","1","1") = "8"
    & skf18("6","5","1","9","5","2","1") = "8"
    & skf18("6","5","1","9","5","3","1") = "8"
    & skf18("6","5","1","9","5","4","1") = "8"
    & skf18("6","5","1","9","5","5","1") = "8"
    & skf18("6","5","1","9","5","6","1") = "8"
    & skf18("6","5","1","9","5","7","1") = "8"
    & skf18("6","5","1","9","5","8","1") = "8"
    & skf18("6","5","1","9","5","9","1") = "8"
    & skf18("6","5","1","9","5","10","1") = "9"
    & skf18("6","5","1","9","6","1","1") = "8"
    & skf18("6","5","1","9","6","2","1") = "8"
    & skf18("6","5","1","9","6","3","1") = "8"
    & skf18("6","5","1","9","6","4","1") = "8"
    & skf18("6","5","1","9","6","5","1") = "8"
    & skf18("6","5","1","9","6","6","1") = "8"
    & skf18("6","5","1","9","6","7","1") = "8"
    & skf18("6","5","1","9","6","8","1") = "8"
    & skf18("6","5","1","9","6","9","1") = "8"
    & skf18("6","5","1","9","6","10","1") = "9"
    & skf18("6","5","1","9","7","1","1") = "8"
    & skf18("6","5","1","9","7","2","1") = "8"
    & skf18("6","5","1","9","7","3","1") = "8"
    & skf18("6","5","1","9","7","4","1") = "8"
    & skf18("6","5","1","9","7","5","1") = "8"
    & skf18("6","5","1","9","7","6","1") = "8"
    & skf18("6","5","1","9","7","7","1") = "8"
    & skf18("6","5","1","9","7","8","1") = "8"
    & skf18("6","5","1","9","7","9","1") = "8"
    & skf18("6","5","1","9","7","10","1") = "9"
    & skf18("6","5","1","9","8","1","1") = "8"
    & skf18("6","5","1","9","8","2","1") = "8"
    & skf18("6","5","1","9","8","3","1") = "8"
    & skf18("6","5","1","9","8","4","1") = "8"
    & skf18("6","5","1","9","8","5","1") = "8"
    & skf18("6","5","1","9","8","6","1") = "8"
    & skf18("6","5","1","9","8","7","1") = "8"
    & skf18("6","5","1","9","8","8","1") = "8"
    & skf18("6","5","1","9","8","9","1") = "8"
    & skf18("6","5","1","9","8","10","1") = "9"
    & skf18("6","5","1","9","9","1","1") = "8"
    & skf18("6","5","1","9","9","2","1") = "8"
    & skf18("6","5","1","9","9","3","1") = "8"
    & skf18("6","5","1","9","9","4","1") = "8"
    & skf18("6","5","1","9","9","5","1") = "8"
    & skf18("6","5","1","9","9","6","1") = "8"
    & skf18("6","5","1","9","9","7","1") = "8"
    & skf18("6","5","1","9","9","8","1") = "8"
    & skf18("6","5","1","9","9","9","1") = "8"
    & skf18("6","5","1","9","9","10","1") = "9"
    & skf18("6","5","1","9","10","1","1") = "9"
    & skf18("6","5","1","9","10","2","1") = "9"
    & skf18("6","5","1","9","10","3","1") = "9"
    & skf18("6","5","1","9","10","4","1") = "9"
    & skf18("6","5","1","9","10","5","1") = "9"
    & skf18("6","5","1","9","10","6","1") = "9"
    & skf18("6","5","1","9","10","7","1") = "9"
    & skf18("6","5","1","9","10","8","1") = "9"
    & skf18("6","5","1","9","10","9","1") = "9"
    & skf18("6","5","1","9","10","10","1") = "9"
    & skf18("6","5","1","10","1","1","1") = "9"
    & skf18("6","5","1","10","1","2","1") = "9"
    & skf18("6","5","1","10","1","3","1") = "9"
    & skf18("6","5","1","10","1","4","1") = "9"
    & skf18("6","5","1","10","1","5","1") = "9"
    & skf18("6","5","1","10","1","6","1") = "9"
    & skf18("6","5","1","10","1","7","1") = "9"
    & skf18("6","5","1","10","1","8","1") = "9"
    & skf18("6","5","1","10","1","9","1") = "9"
    & skf18("6","5","1","10","1","10","1") = "9"
    & skf18("6","5","1","10","2","1","1") = "9"
    & skf18("6","5","1","10","2","2","1") = "9"
    & skf18("6","5","1","10","2","3","1") = "9"
    & skf18("6","5","1","10","2","4","1") = "9"
    & skf18("6","5","1","10","2","5","1") = "9"
    & skf18("6","5","1","10","2","6","1") = "9"
    & skf18("6","5","1","10","2","7","1") = "9"
    & skf18("6","5","1","10","2","8","1") = "9"
    & skf18("6","5","1","10","2","9","1") = "9"
    & skf18("6","5","1","10","2","10","1") = "9"
    & skf18("6","5","1","10","3","1","1") = "9"
    & skf18("6","5","1","10","3","2","1") = "9"
    & skf18("6","5","1","10","3","3","1") = "9"
    & skf18("6","5","1","10","3","4","1") = "9"
    & skf18("6","5","1","10","3","5","1") = "9"
    & skf18("6","5","1","10","3","6","1") = "9"
    & skf18("6","5","1","10","3","7","1") = "9"
    & skf18("6","5","1","10","3","8","1") = "9"
    & skf18("6","5","1","10","3","9","1") = "9"
    & skf18("6","5","1","10","3","10","1") = "9"
    & skf18("6","5","1","10","4","1","1") = "9"
    & skf18("6","5","1","10","4","2","1") = "9"
    & skf18("6","5","1","10","4","3","1") = "9"
    & skf18("6","5","1","10","4","4","1") = "9"
    & skf18("6","5","1","10","4","5","1") = "9"
    & skf18("6","5","1","10","4","6","1") = "9"
    & skf18("6","5","1","10","4","7","1") = "9"
    & skf18("6","5","1","10","4","8","1") = "9"
    & skf18("6","5","1","10","4","9","1") = "9"
    & skf18("6","5","1","10","4","10","1") = "9"
    & skf18("6","5","1","10","5","1","1") = "9"
    & skf18("6","5","1","10","5","2","1") = "9"
    & skf18("6","5","1","10","5","3","1") = "9"
    & skf18("6","5","1","10","5","4","1") = "9"
    & skf18("6","5","1","10","5","5","1") = "9"
    & skf18("6","5","1","10","5","6","1") = "9"
    & skf18("6","5","1","10","5","7","1") = "9"
    & skf18("6","5","1","10","5","8","1") = "9"
    & skf18("6","5","1","10","5","9","1") = "9"
    & skf18("6","5","1","10","5","10","1") = "9"
    & skf18("6","5","1","10","6","1","1") = "9"
    & skf18("6","5","1","10","6","2","1") = "9"
    & skf18("6","5","1","10","6","3","1") = "9"
    & skf18("6","5","1","10","6","4","1") = "9"
    & skf18("6","5","1","10","6","5","1") = "9"
    & skf18("6","5","1","10","6","6","1") = "9"
    & skf18("6","5","1","10","6","7","1") = "9"
    & skf18("6","5","1","10","6","8","1") = "9"
    & skf18("6","5","1","10","6","9","1") = "9"
    & skf18("6","5","1","10","6","10","1") = "9"
    & skf18("6","5","1","10","7","1","1") = "9"
    & skf18("6","5","1","10","7","2","1") = "9"
    & skf18("6","5","1","10","7","3","1") = "9"
    & skf18("6","5","1","10","7","4","1") = "9"
    & skf18("6","5","1","10","7","5","1") = "9"
    & skf18("6","5","1","10","7","6","1") = "9"
    & skf18("6","5","1","10","7","7","1") = "9"
    & skf18("6","5","1","10","7","8","1") = "9"
    & skf18("6","5","1","10","7","9","1") = "9"
    & skf18("6","5","1","10","7","10","1") = "9"
    & skf18("6","5","1","10","8","1","1") = "9"
    & skf18("6","5","1","10","8","2","1") = "9"
    & skf18("6","5","1","10","8","3","1") = "9"
    & skf18("6","5","1","10","8","4","1") = "9"
    & skf18("6","5","1","10","8","5","1") = "9"
    & skf18("6","5","1","10","8","6","1") = "9"
    & skf18("6","5","1","10","8","7","1") = "9"
    & skf18("6","5","1","10","8","8","1") = "9"
    & skf18("6","5","1","10","8","9","1") = "9"
    & skf18("6","5","1","10","8","10","1") = "9"
    & skf18("6","5","1","10","9","1","1") = "9"
    & skf18("6","5","1","10","9","2","1") = "9"
    & skf18("6","5","1","10","9","3","1") = "9"
    & skf18("6","5","1","10","9","4","1") = "9"
    & skf18("6","5","1","10","9","5","1") = "9"
    & skf18("6","5","1","10","9","6","1") = "9"
    & skf18("6","5","1","10","9","7","1") = "9"
    & skf18("6","5","1","10","9","8","1") = "9"
    & skf18("6","5","1","10","9","9","1") = "9"
    & skf18("6","5","1","10","9","10","1") = "9"
    & skf18("6","5","1","10","10","1","1") = "9"
    & skf18("6","5","1","10","10","2","1") = "9"
    & skf18("6","5","1","10","10","3","1") = "9"
    & skf18("6","5","1","10","10","4","1") = "9"
    & skf18("6","5","1","10","10","5","1") = "9"
    & skf18("6","5","1","10","10","6","1") = "9"
    & skf18("6","5","1","10","10","7","1") = "9"
    & skf18("6","5","1","10","10","8","1") = "9"
    & skf18("6","5","1","10","10","9","1") = "9"
    & skf18("6","5","1","10","10","10","1") = "9"
    & skf18("6","5","2","1","1","1","1") = "5"
    & skf18("6","5","2","1","1","2","1") = "5"
    & skf18("6","5","2","1","1","3","1") = "5"
    & skf18("6","5","2","1","1","4","1") = "5"
    & skf18("6","5","2","1","1","5","1") = "5"
    & skf18("6","5","2","1","1","6","1") = "5"
    & skf18("6","5","2","1","1","7","1") = "6"
    & skf18("6","5","2","1","1","8","1") = "7"
    & skf18("6","5","2","1","1","9","1") = "8"
    & skf18("6","5","2","1","1","10","1") = "9"
    & skf18("6","5","2","1","2","1","1") = "5"
    & skf18("6","5","2","1","2","2","1") = "5"
    & skf18("6","5","2","1","2","3","1") = "5"
    & skf18("6","5","2","1","2","4","1") = "5"
    & skf18("6","5","2","1","2","5","1") = "5"
    & skf18("6","5","2","1","2","6","1") = "5"
    & skf18("6","5","2","1","2","7","1") = "6"
    & skf18("6","5","2","1","2","8","1") = "7"
    & skf18("6","5","2","1","2","9","1") = "8"
    & skf18("6","5","2","1","2","10","1") = "9"
    & skf18("6","5","2","1","3","1","1") = "5"
    & skf18("6","5","2","1","3","2","1") = "5"
    & skf18("6","5","2","1","3","3","1") = "5"
    & skf18("6","5","2","1","3","4","1") = "5"
    & skf18("6","5","2","1","3","5","1") = "5"
    & skf18("6","5","2","1","3","6","1") = "5"
    & skf18("6","5","2","1","3","7","1") = "6"
    & skf18("6","5","2","1","3","8","1") = "7"
    & skf18("6","5","2","1","3","9","1") = "8"
    & skf18("6","5","2","1","3","10","1") = "9"
    & skf18("6","5","2","1","4","1","1") = "5"
    & skf18("6","5","2","1","4","2","1") = "5"
    & skf18("6","5","2","1","4","3","1") = "5"
    & skf18("6","5","2","1","4","4","1") = "5"
    & skf18("6","5","2","1","4","5","1") = "5"
    & skf18("6","5","2","1","4","6","1") = "5"
    & skf18("6","5","2","1","4","7","1") = "6"
    & skf18("6","5","2","1","4","8","1") = "7"
    & skf18("6","5","2","1","4","9","1") = "8"
    & skf18("6","5","2","1","4","10","1") = "9"
    & skf18("6","5","2","1","5","1","1") = "5"
    & skf18("6","5","2","1","5","2","1") = "5"
    & skf18("6","5","2","1","5","3","1") = "5"
    & skf18("6","5","2","1","5","4","1") = "5"
    & skf18("6","5","2","1","5","5","1") = "5"
    & skf18("6","5","2","1","5","6","1") = "5"
    & skf18("6","5","2","1","5","7","1") = "6"
    & skf18("6","5","2","1","5","8","1") = "7"
    & skf18("6","5","2","1","5","9","1") = "8"
    & skf18("6","5","2","1","5","10","1") = "9"
    & skf18("6","5","2","1","6","1","1") = "5"
    & skf18("6","5","2","1","6","2","1") = "5"
    & skf18("6","5","2","1","6","3","1") = "5"
    & skf18("6","5","2","1","6","4","1") = "5"
    & skf18("6","5","2","1","6","5","1") = "5"
    & skf18("6","5","2","1","6","6","1") = "5"
    & skf18("6","5","2","1","6","7","1") = "6"
    & skf18("6","5","2","1","6","8","1") = "7"
    & skf18("6","5","2","1","6","9","1") = "8"
    & skf18("6","5","2","1","6","10","1") = "9"
    & skf18("6","5","2","1","7","1","1") = "6"
    & skf18("6","5","2","1","7","2","1") = "6"
    & skf18("6","5","2","1","7","3","1") = "6"
    & skf18("6","5","2","1","7","4","1") = "6"
    & skf18("6","5","2","1","7","5","1") = "6"
    & skf18("6","5","2","1","7","6","1") = "6"
    & skf18("6","5","2","1","7","7","1") = "6"
    & skf18("6","5","2","1","7","8","1") = "7"
    & skf18("6","5","2","1","7","9","1") = "8"
    & skf18("6","5","2","1","7","10","1") = "9"
    & skf18("6","5","2","1","8","1","1") = "7"
    & skf18("6","5","2","1","8","2","1") = "7"
    & skf18("6","5","2","1","8","3","1") = "7"
    & skf18("6","5","2","1","8","4","1") = "7"
    & skf18("6","5","2","1","8","5","1") = "7"
    & skf18("6","5","2","1","8","6","1") = "7"
    & skf18("6","5","2","1","8","7","1") = "7"
    & skf18("6","5","2","1","8","8","1") = "7"
    & skf18("6","5","2","1","8","9","1") = "8"
    & skf18("6","5","2","1","8","10","1") = "9"
    & skf18("6","5","2","1","9","1","1") = "8"
    & skf18("6","5","2","1","9","2","1") = "8"
    & skf18("6","5","2","1","9","3","1") = "8"
    & skf18("6","5","2","1","9","4","1") = "8"
    & skf18("6","5","2","1","9","5","1") = "8"
    & skf18("6","5","2","1","9","6","1") = "8"
    & skf18("6","5","2","1","9","7","1") = "8"
    & skf18("6","5","2","1","9","8","1") = "8"
    & skf18("6","5","2","1","9","9","1") = "8"
    & skf18("6","5","2","1","9","10","1") = "9"
    & skf18("6","5","2","1","10","1","1") = "9"
    & skf18("6","5","2","1","10","2","1") = "9"
    & skf18("6","5","2","1","10","3","1") = "9"
    & skf18("6","5","2","1","10","4","1") = "9"
    & skf18("6","5","2","1","10","5","1") = "9"
    & skf18("6","5","2","1","10","6","1") = "9"
    & skf18("6","5","2","1","10","7","1") = "9"
    & skf18("6","5","2","1","10","8","1") = "9"
    & skf18("6","5","2","1","10","9","1") = "9"
    & skf18("6","5","2","1","10","10","1") = "9"
    & skf18("6","5","2","2","1","1","1") = "5"
    & skf18("6","5","2","2","1","2","1") = "5"
    & skf18("6","5","2","2","1","3","1") = "5"
    & skf18("6","5","2","2","1","4","1") = "5"
    & skf18("6","5","2","2","1","5","1") = "5"
    & skf18("6","5","2","2","1","6","1") = "5"
    & skf18("6","5","2","2","1","7","1") = "6"
    & skf18("6","5","2","2","1","8","1") = "7"
    & skf18("6","5","2","2","1","9","1") = "8"
    & skf18("6","5","2","2","1","10","1") = "9"
    & skf18("6","5","2","2","2","1","1") = "5"
    & skf18("6","5","2","2","2","2","1") = "5"
    & skf18("6","5","2","2","2","3","1") = "5"
    & skf18("6","5","2","2","2","4","1") = "5"
    & skf18("6","5","2","2","2","5","1") = "5"
    & skf18("6","5","2","2","2","6","1") = "5"
    & skf18("6","5","2","2","2","7","1") = "6"
    & skf18("6","5","2","2","2","8","1") = "7"
    & skf18("6","5","2","2","2","9","1") = "8"
    & skf18("6","5","2","2","2","10","1") = "9"
    & skf18("6","5","2","2","3","1","1") = "5"
    & skf18("6","5","2","2","3","2","1") = "5"
    & skf18("6","5","2","2","3","3","1") = "5"
    & skf18("6","5","2","2","3","4","1") = "5"
    & skf18("6","5","2","2","3","5","1") = "5"
    & skf18("6","5","2","2","3","6","1") = "5"
    & skf18("6","5","2","2","3","7","1") = "6"
    & skf18("6","5","2","2","3","8","1") = "7"
    & skf18("6","5","2","2","3","9","1") = "8"
    & skf18("6","5","2","2","3","10","1") = "9"
    & skf18("6","5","2","2","4","1","1") = "5"
    & skf18("6","5","2","2","4","2","1") = "5"
    & skf18("6","5","2","2","4","3","1") = "5"
    & skf18("6","5","2","2","4","4","1") = "5"
    & skf18("6","5","2","2","4","5","1") = "5"
    & skf18("6","5","2","2","4","6","1") = "5"
    & skf18("6","5","2","2","4","7","1") = "6"
    & skf18("6","5","2","2","4","8","1") = "7"
    & skf18("6","5","2","2","4","9","1") = "8"
    & skf18("6","5","2","2","4","10","1") = "9"
    & skf18("6","5","2","2","5","1","1") = "5"
    & skf18("6","5","2","2","5","2","1") = "5"
    & skf18("6","5","2","2","5","3","1") = "5"
    & skf18("6","5","2","2","5","4","1") = "5"
    & skf18("6","5","2","2","5","5","1") = "5"
    & skf18("6","5","2","2","5","6","1") = "5"
    & skf18("6","5","2","2","5","7","1") = "6"
    & skf18("6","5","2","2","5","8","1") = "7"
    & skf18("6","5","2","2","5","9","1") = "8"
    & skf18("6","5","2","2","5","10","1") = "9"
    & skf18("6","5","2","2","6","1","1") = "5"
    & skf18("6","5","2","2","6","2","1") = "5"
    & skf18("6","5","2","2","6","3","1") = "5"
    & skf18("6","5","2","2","6","4","1") = "5"
    & skf18("6","5","2","2","6","5","1") = "5"
    & skf18("6","5","2","2","6","6","1") = "5"
    & skf18("6","5","2","2","6","7","1") = "6"
    & skf18("6","5","2","2","6","8","1") = "7"
    & skf18("6","5","2","2","6","9","1") = "8"
    & skf18("6","5","2","2","6","10","1") = "9"
    & skf18("6","5","2","2","7","1","1") = "6"
    & skf18("6","5","2","2","7","2","1") = "6"
    & skf18("6","5","2","2","7","3","1") = "6"
    & skf18("6","5","2","2","7","4","1") = "6"
    & skf18("6","5","2","2","7","5","1") = "6"
    & skf18("6","5","2","2","7","6","1") = "6"
    & skf18("6","5","2","2","7","7","1") = "6"
    & skf18("6","5","2","2","7","8","1") = "7"
    & skf18("6","5","2","2","7","9","1") = "8"
    & skf18("6","5","2","2","7","10","1") = "9"
    & skf18("6","5","2","2","8","1","1") = "7"
    & skf18("6","5","2","2","8","2","1") = "7"
    & skf18("6","5","2","2","8","3","1") = "7"
    & skf18("6","5","2","2","8","4","1") = "7"
    & skf18("6","5","2","2","8","5","1") = "7"
    & skf18("6","5","2","2","8","6","1") = "7"
    & skf18("6","5","2","2","8","7","1") = "7"
    & skf18("6","5","2","2","8","8","1") = "7"
    & skf18("6","5","2","2","8","9","1") = "8"
    & skf18("6","5","2","2","8","10","1") = "9"
    & skf18("6","5","2","2","9","1","1") = "8"
    & skf18("6","5","2","2","9","2","1") = "8"
    & skf18("6","5","2","2","9","3","1") = "8"
    & skf18("6","5","2","2","9","4","1") = "8"
    & skf18("6","5","2","2","9","5","1") = "8"
    & skf18("6","5","2","2","9","6","1") = "8"
    & skf18("6","5","2","2","9","7","1") = "8"
    & skf18("6","5","2","2","9","8","1") = "8"
    & skf18("6","5","2","2","9","9","1") = "8"
    & skf18("6","5","2","2","9","10","1") = "9"
    & skf18("6","5","2","2","10","1","1") = "9"
    & skf18("6","5","2","2","10","2","1") = "9"
    & skf18("6","5","2","2","10","3","1") = "9"
    & skf18("6","5","2","2","10","4","1") = "9"
    & skf18("6","5","2","2","10","5","1") = "9"
    & skf18("6","5","2","2","10","6","1") = "9"
    & skf18("6","5","2","2","10","7","1") = "9"
    & skf18("6","5","2","2","10","8","1") = "9"
    & skf18("6","5","2","2","10","9","1") = "9"
    & skf18("6","5","2","2","10","10","1") = "9"
    & skf18("6","5","2","3","1","1","1") = "5"
    & skf18("6","5","2","3","1","2","1") = "5"
    & skf18("6","5","2","3","1","3","1") = "5"
    & skf18("6","5","2","3","1","4","1") = "5"
    & skf18("6","5","2","3","1","5","1") = "5"
    & skf18("6","5","2","3","1","6","1") = "5"
    & skf18("6","5","2","3","1","7","1") = "6"
    & skf18("6","5","2","3","1","8","1") = "7"
    & skf18("6","5","2","3","1","9","1") = "8"
    & skf18("6","5","2","3","1","10","1") = "9"
    & skf18("6","5","2","3","2","1","1") = "5"
    & skf18("6","5","2","3","2","2","1") = "5"
    & skf18("6","5","2","3","2","3","1") = "5"
    & skf18("6","5","2","3","2","4","1") = "5"
    & skf18("6","5","2","3","2","5","1") = "5"
    & skf18("6","5","2","3","2","6","1") = "5"
    & skf18("6","5","2","3","2","7","1") = "6"
    & skf18("6","5","2","3","2","8","1") = "7"
    & skf18("6","5","2","3","2","9","1") = "8"
    & skf18("6","5","2","3","2","10","1") = "9"
    & skf18("6","5","2","3","3","1","1") = "5"
    & skf18("6","5","2","3","3","2","1") = "5"
    & skf18("6","5","2","3","3","3","1") = "5"
    & skf18("6","5","2","3","3","4","1") = "5"
    & skf18("6","5","2","3","3","5","1") = "5"
    & skf18("6","5","2","3","3","6","1") = "5"
    & skf18("6","5","2","3","3","7","1") = "6"
    & skf18("6","5","2","3","3","8","1") = "7"
    & skf18("6","5","2","3","3","9","1") = "8"
    & skf18("6","5","2","3","3","10","1") = "9"
    & skf18("6","5","2","3","4","1","1") = "5"
    & skf18("6","5","2","3","4","2","1") = "5"
    & skf18("6","5","2","3","4","3","1") = "5"
    & skf18("6","5","2","3","4","4","1") = "5"
    & skf18("6","5","2","3","4","5","1") = "5"
    & skf18("6","5","2","3","4","6","1") = "5"
    & skf18("6","5","2","3","4","7","1") = "6"
    & skf18("6","5","2","3","4","8","1") = "7"
    & skf18("6","5","2","3","4","9","1") = "8"
    & skf18("6","5","2","3","4","10","1") = "9"
    & skf18("6","5","2","3","5","1","1") = "5"
    & skf18("6","5","2","3","5","2","1") = "5"
    & skf18("6","5","2","3","5","3","1") = "5"
    & skf18("6","5","2","3","5","4","1") = "5"
    & skf18("6","5","2","3","5","5","1") = "5"
    & skf18("6","5","2","3","5","6","1") = "5"
    & skf18("6","5","2","3","5","7","1") = "6"
    & skf18("6","5","2","3","5","8","1") = "7"
    & skf18("6","5","2","3","5","9","1") = "8"
    & skf18("6","5","2","3","5","10","1") = "9"
    & skf18("6","5","2","3","6","1","1") = "5"
    & skf18("6","5","2","3","6","2","1") = "5"
    & skf18("6","5","2","3","6","3","1") = "5"
    & skf18("6","5","2","3","6","4","1") = "5"
    & skf18("6","5","2","3","6","5","1") = "5"
    & skf18("6","5","2","3","6","6","1") = "5"
    & skf18("6","5","2","3","6","7","1") = "6"
    & skf18("6","5","2","3","6","8","1") = "7"
    & skf18("6","5","2","3","6","9","1") = "8"
    & skf18("6","5","2","3","6","10","1") = "9"
    & skf18("6","5","2","3","7","1","1") = "6"
    & skf18("6","5","2","3","7","2","1") = "6"
    & skf18("6","5","2","3","7","3","1") = "6"
    & skf18("6","5","2","3","7","4","1") = "6"
    & skf18("6","5","2","3","7","5","1") = "6"
    & skf18("6","5","2","3","7","6","1") = "6"
    & skf18("6","5","2","3","7","7","1") = "6"
    & skf18("6","5","2","3","7","8","1") = "7"
    & skf18("6","5","2","3","7","9","1") = "8"
    & skf18("6","5","2","3","7","10","1") = "9"
    & skf18("6","5","2","3","8","1","1") = "7"
    & skf18("6","5","2","3","8","2","1") = "7"
    & skf18("6","5","2","3","8","3","1") = "7"
    & skf18("6","5","2","3","8","4","1") = "7"
    & skf18("6","5","2","3","8","5","1") = "7"
    & skf18("6","5","2","3","8","6","1") = "7"
    & skf18("6","5","2","3","8","7","1") = "7"
    & skf18("6","5","2","3","8","8","1") = "7"
    & skf18("6","5","2","3","8","9","1") = "8"
    & skf18("6","5","2","3","8","10","1") = "9"
    & skf18("6","5","2","3","9","1","1") = "8"
    & skf18("6","5","2","3","9","2","1") = "8"
    & skf18("6","5","2","3","9","3","1") = "8"
    & skf18("6","5","2","3","9","4","1") = "8"
    & skf18("6","5","2","3","9","5","1") = "8"
    & skf18("6","5","2","3","9","6","1") = "8"
    & skf18("6","5","2","3","9","7","1") = "8"
    & skf18("6","5","2","3","9","8","1") = "8"
    & skf18("6","5","2","3","9","9","1") = "8"
    & skf18("6","5","2","3","9","10","1") = "9"
    & skf18("6","5","2","3","10","1","1") = "9"
    & skf18("6","5","2","3","10","2","1") = "9"
    & skf18("6","5","2","3","10","3","1") = "9"
    & skf18("6","5","2","3","10","4","1") = "9"
    & skf18("6","5","2","3","10","5","1") = "9"
    & skf18("6","5","2","3","10","6","1") = "9"
    & skf18("6","5","2","3","10","7","1") = "9"
    & skf18("6","5","2","3","10","8","1") = "9"
    & skf18("6","5","2","3","10","9","1") = "9"
    & skf18("6","5","2","3","10","10","1") = "9"
    & skf18("6","5","2","4","1","1","1") = "5"
    & skf18("6","5","2","4","1","2","1") = "5"
    & skf18("6","5","2","4","1","3","1") = "5"
    & skf18("6","5","2","4","1","4","1") = "5"
    & skf18("6","5","2","4","1","5","1") = "5"
    & skf18("6","5","2","4","1","6","1") = "5"
    & skf18("6","5","2","4","1","7","1") = "6"
    & skf18("6","5","2","4","1","8","1") = "7"
    & skf18("6","5","2","4","1","9","1") = "8"
    & skf18("6","5","2","4","1","10","1") = "9"
    & skf18("6","5","2","4","2","1","1") = "5"
    & skf18("6","5","2","4","2","2","1") = "5"
    & skf18("6","5","2","4","2","3","1") = "5"
    & skf18("6","5","2","4","2","4","1") = "5"
    & skf18("6","5","2","4","2","5","1") = "5"
    & skf18("6","5","2","4","2","6","1") = "5"
    & skf18("6","5","2","4","2","7","1") = "6"
    & skf18("6","5","2","4","2","8","1") = "7"
    & skf18("6","5","2","4","2","9","1") = "8"
    & skf18("6","5","2","4","2","10","1") = "9"
    & skf18("6","5","2","4","3","1","1") = "5"
    & skf18("6","5","2","4","3","2","1") = "5"
    & skf18("6","5","2","4","3","3","1") = "5"
    & skf18("6","5","2","4","3","4","1") = "5"
    & skf18("6","5","2","4","3","5","1") = "5"
    & skf18("6","5","2","4","3","6","1") = "5"
    & skf18("6","5","2","4","3","7","1") = "6"
    & skf18("6","5","2","4","3","8","1") = "7"
    & skf18("6","5","2","4","3","9","1") = "8"
    & skf18("6","5","2","4","3","10","1") = "9"
    & skf18("6","5","2","4","4","1","1") = "5"
    & skf18("6","5","2","4","4","2","1") = "5"
    & skf18("6","5","2","4","4","3","1") = "5"
    & skf18("6","5","2","4","4","4","1") = "5"
    & skf18("6","5","2","4","4","5","1") = "5"
    & skf18("6","5","2","4","4","6","1") = "5"
    & skf18("6","5","2","4","4","7","1") = "6"
    & skf18("6","5","2","4","4","8","1") = "7"
    & skf18("6","5","2","4","4","9","1") = "8"
    & skf18("6","5","2","4","4","10","1") = "9"
    & skf18("6","5","2","4","5","1","1") = "5"
    & skf18("6","5","2","4","5","2","1") = "5"
    & skf18("6","5","2","4","5","3","1") = "5"
    & skf18("6","5","2","4","5","4","1") = "5"
    & skf18("6","5","2","4","5","5","1") = "5"
    & skf18("6","5","2","4","5","6","1") = "5"
    & skf18("6","5","2","4","5","7","1") = "6"
    & skf18("6","5","2","4","5","8","1") = "7"
    & skf18("6","5","2","4","5","9","1") = "8"
    & skf18("6","5","2","4","5","10","1") = "9"
    & skf18("6","5","2","4","6","1","1") = "5"
    & skf18("6","5","2","4","6","2","1") = "5"
    & skf18("6","5","2","4","6","3","1") = "5"
    & skf18("6","5","2","4","6","4","1") = "5"
    & skf18("6","5","2","4","6","5","1") = "5"
    & skf18("6","5","2","4","6","6","1") = "5"
    & skf18("6","5","2","4","6","7","1") = "6"
    & skf18("6","5","2","4","6","8","1") = "7"
    & skf18("6","5","2","4","6","9","1") = "8"
    & skf18("6","5","2","4","6","10","1") = "9"
    & skf18("6","5","2","4","7","1","1") = "6"
    & skf18("6","5","2","4","7","2","1") = "6"
    & skf18("6","5","2","4","7","3","1") = "6"
    & skf18("6","5","2","4","7","4","1") = "6"
    & skf18("6","5","2","4","7","5","1") = "6"
    & skf18("6","5","2","4","7","6","1") = "6"
    & skf18("6","5","2","4","7","7","1") = "6"
    & skf18("6","5","2","4","7","8","1") = "7"
    & skf18("6","5","2","4","7","9","1") = "8"
    & skf18("6","5","2","4","7","10","1") = "9"
    & skf18("6","5","2","4","8","1","1") = "7"
    & skf18("6","5","2","4","8","2","1") = "7"
    & skf18("6","5","2","4","8","3","1") = "7"
    & skf18("6","5","2","4","8","4","1") = "7"
    & skf18("6","5","2","4","8","5","1") = "7"
    & skf18("6","5","2","4","8","6","1") = "7"
    & skf18("6","5","2","4","8","7","1") = "7"
    & skf18("6","5","2","4","8","8","1") = "7"
    & skf18("6","5","2","4","8","9","1") = "8"
    & skf18("6","5","2","4","8","10","1") = "9"
    & skf18("6","5","2","4","9","1","1") = "8"
    & skf18("6","5","2","4","9","2","1") = "8"
    & skf18("6","5","2","4","9","3","1") = "8"
    & skf18("6","5","2","4","9","4","1") = "8"
    & skf18("6","5","2","4","9","5","1") = "8"
    & skf18("6","5","2","4","9","6","1") = "8"
    & skf18("6","5","2","4","9","7","1") = "8"
    & skf18("6","5","2","4","9","8","1") = "8"
    & skf18("6","5","2","4","9","9","1") = "8"
    & skf18("6","5","2","4","9","10","1") = "9"
    & skf18("6","5","2","4","10","1","1") = "9"
    & skf18("6","5","2","4","10","2","1") = "9"
    & skf18("6","5","2","4","10","3","1") = "9"
    & skf18("6","5","2","4","10","4","1") = "9"
    & skf18("6","5","2","4","10","5","1") = "9"
    & skf18("6","5","2","4","10","6","1") = "9"
    & skf18("6","5","2","4","10","7","1") = "9"
    & skf18("6","5","2","4","10","8","1") = "9"
    & skf18("6","5","2","4","10","9","1") = "9"
    & skf18("6","5","2","4","10","10","1") = "9"
    & skf18("6","5","2","5","1","1","1") = "5"
    & skf18("6","5","2","5","1","2","1") = "5"
    & skf18("6","5","2","5","1","3","1") = "5"
    & skf18("6","5","2","5","1","4","1") = "5"
    & skf18("6","5","2","5","1","5","1") = "5"
    & skf18("6","5","2","5","1","6","1") = "5"
    & skf18("6","5","2","5","1","7","1") = "6"
    & skf18("6","5","2","5","1","8","1") = "7"
    & skf18("6","5","2","5","1","9","1") = "8"
    & skf18("6","5","2","5","1","10","1") = "9"
    & skf18("6","5","2","5","2","1","1") = "5"
    & skf18("6","5","2","5","2","2","1") = "5"
    & skf18("6","5","2","5","2","3","1") = "5"
    & skf18("6","5","2","5","2","4","1") = "5"
    & skf18("6","5","2","5","2","5","1") = "5"
    & skf18("6","5","2","5","2","6","1") = "5"
    & skf18("6","5","2","5","2","7","1") = "6"
    & skf18("6","5","2","5","2","8","1") = "7"
    & skf18("6","5","2","5","2","9","1") = "8"
    & skf18("6","5","2","5","2","10","1") = "9"
    & skf18("6","5","2","5","3","1","1") = "5"
    & skf18("6","5","2","5","3","2","1") = "5"
    & skf18("6","5","2","5","3","3","1") = "5"
    & skf18("6","5","2","5","3","4","1") = "5"
    & skf18("6","5","2","5","3","5","1") = "5"
    & skf18("6","5","2","5","3","6","1") = "5"
    & skf18("6","5","2","5","3","7","1") = "6"
    & skf18("6","5","2","5","3","8","1") = "7"
    & skf18("6","5","2","5","3","9","1") = "8"
    & skf18("6","5","2","5","3","10","1") = "9"
    & skf18("6","5","2","5","4","1","1") = "5"
    & skf18("6","5","2","5","4","2","1") = "5"
    & skf18("6","5","2","5","4","3","1") = "5"
    & skf18("6","5","2","5","4","4","1") = "5"
    & skf18("6","5","2","5","4","5","1") = "5"
    & skf18("6","5","2","5","4","6","1") = "5"
    & skf18("6","5","2","5","4","7","1") = "6"
    & skf18("6","5","2","5","4","8","1") = "7"
    & skf18("6","5","2","5","4","9","1") = "8"
    & skf18("6","5","2","5","4","10","1") = "9"
    & skf18("6","5","2","5","5","1","1") = "5"
    & skf18("6","5","2","5","5","2","1") = "5"
    & skf18("6","5","2","5","5","3","1") = "5"
    & skf18("6","5","2","5","5","4","1") = "5"
    & skf18("6","5","2","5","5","5","1") = "5"
    & skf18("6","5","2","5","5","6","1") = "5"
    & skf18("6","5","2","5","5","7","1") = "6"
    & skf18("6","5","2","5","5","8","1") = "7"
    & skf18("6","5","2","5","5","9","1") = "8"
    & skf18("6","5","2","5","5","10","1") = "9"
    & skf18("6","5","2","5","6","1","1") = "5"
    & skf18("6","5","2","5","6","2","1") = "5"
    & skf18("6","5","2","5","6","3","1") = "5"
    & skf18("6","5","2","5","6","4","1") = "5"
    & skf18("6","5","2","5","6","5","1") = "5"
    & skf18("6","5","2","5","6","6","1") = "5"
    & skf18("6","5","2","5","6","7","1") = "6"
    & skf18("6","5","2","5","6","8","1") = "7"
    & skf18("6","5","2","5","6","9","1") = "8"
    & skf18("6","5","2","5","6","10","1") = "9"
    & skf18("6","5","2","5","7","1","1") = "6"
    & skf18("6","5","2","5","7","2","1") = "6"
    & skf18("6","5","2","5","7","3","1") = "6"
    & skf18("6","5","2","5","7","4","1") = "6"
    & skf18("6","5","2","5","7","5","1") = "6"
    & skf18("6","5","2","5","7","6","1") = "6"
    & skf18("6","5","2","5","7","7","1") = "6"
    & skf18("6","5","2","5","7","8","1") = "7"
    & skf18("6","5","2","5","7","9","1") = "8"
    & skf18("6","5","2","5","7","10","1") = "9"
    & skf18("6","5","2","5","8","1","1") = "7"
    & skf18("6","5","2","5","8","2","1") = "7"
    & skf18("6","5","2","5","8","3","1") = "7"
    & skf18("6","5","2","5","8","4","1") = "7"
    & skf18("6","5","2","5","8","5","1") = "7"
    & skf18("6","5","2","5","8","6","1") = "7"
    & skf18("6","5","2","5","8","7","1") = "7"
    & skf18("6","5","2","5","8","8","1") = "7"
    & skf18("6","5","2","5","8","9","1") = "8"
    & skf18("6","5","2","5","8","10","1") = "9"
    & skf18("6","5","2","5","9","1","1") = "8"
    & skf18("6","5","2","5","9","2","1") = "8"
    & skf18("6","5","2","5","9","3","1") = "8"
    & skf18("6","5","2","5","9","4","1") = "8"
    & skf18("6","5","2","5","9","5","1") = "8"
    & skf18("6","5","2","5","9","6","1") = "8"
    & skf18("6","5","2","5","9","7","1") = "8"
    & skf18("6","5","2","5","9","8","1") = "8"
    & skf18("6","5","2","5","9","9","1") = "8"
    & skf18("6","5","2","5","9","10","1") = "9"
    & skf18("6","5","2","5","10","1","1") = "9"
    & skf18("6","5","2","5","10","2","1") = "9"
    & skf18("6","5","2","5","10","3","1") = "9"
    & skf18("6","5","2","5","10","4","1") = "9"
    & skf18("6","5","2","5","10","5","1") = "9"
    & skf18("6","5","2","5","10","6","1") = "9"
    & skf18("6","5","2","5","10","7","1") = "9"
    & skf18("6","5","2","5","10","8","1") = "9"
    & skf18("6","5","2","5","10","9","1") = "9"
    & skf18("6","5","2","5","10","10","1") = "9"
    & skf18("6","5","2","6","1","1","1") = "5"
    & skf18("6","5","2","6","1","2","1") = "5"
    & skf18("6","5","2","6","1","3","1") = "5"
    & skf18("6","5","2","6","1","4","1") = "5"
    & skf18("6","5","2","6","1","5","1") = "5"
    & skf18("6","5","2","6","1","6","1") = "5"
    & skf18("6","5","2","6","1","7","1") = "6"
    & skf18("6","5","2","6","1","8","1") = "7"
    & skf18("6","5","2","6","1","9","1") = "8"
    & skf18("6","5","2","6","1","10","1") = "9"
    & skf18("6","5","2","6","2","1","1") = "5"
    & skf18("6","5","2","6","2","2","1") = "5"
    & skf18("6","5","2","6","2","3","1") = "5"
    & skf18("6","5","2","6","2","4","1") = "5"
    & skf18("6","5","2","6","2","5","1") = "5"
    & skf18("6","5","2","6","2","6","1") = "5"
    & skf18("6","5","2","6","2","7","1") = "6"
    & skf18("6","5","2","6","2","8","1") = "7"
    & skf18("6","5","2","6","2","9","1") = "8"
    & skf18("6","5","2","6","2","10","1") = "9"
    & skf18("6","5","2","6","3","1","1") = "5"
    & skf18("6","5","2","6","3","2","1") = "5"
    & skf18("6","5","2","6","3","3","1") = "5"
    & skf18("6","5","2","6","3","4","1") = "5"
    & skf18("6","5","2","6","3","5","1") = "5"
    & skf18("6","5","2","6","3","6","1") = "5"
    & skf18("6","5","2","6","3","7","1") = "6"
    & skf18("6","5","2","6","3","8","1") = "7"
    & skf18("6","5","2","6","3","9","1") = "8"
    & skf18("6","5","2","6","3","10","1") = "9"
    & skf18("6","5","2","6","4","1","1") = "5"
    & skf18("6","5","2","6","4","2","1") = "5"
    & skf18("6","5","2","6","4","3","1") = "5"
    & skf18("6","5","2","6","4","4","1") = "5"
    & skf18("6","5","2","6","4","5","1") = "5"
    & skf18("6","5","2","6","4","6","1") = "5"
    & skf18("6","5","2","6","4","7","1") = "6"
    & skf18("6","5","2","6","4","8","1") = "7"
    & skf18("6","5","2","6","4","9","1") = "8"
    & skf18("6","5","2","6","4","10","1") = "9"
    & skf18("6","5","2","6","5","1","1") = "5"
    & skf18("6","5","2","6","5","2","1") = "5"
    & skf18("6","5","2","6","5","3","1") = "5"
    & skf18("6","5","2","6","5","4","1") = "5"
    & skf18("6","5","2","6","5","5","1") = "5"
    & skf18("6","5","2","6","5","6","1") = "5"
    & skf18("6","5","2","6","5","7","1") = "6"
    & skf18("6","5","2","6","5","8","1") = "7"
    & skf18("6","5","2","6","5","9","1") = "8"
    & skf18("6","5","2","6","5","10","1") = "9"
    & skf18("6","5","2","6","6","1","1") = "5"
    & skf18("6","5","2","6","6","2","1") = "5"
    & skf18("6","5","2","6","6","3","1") = "5"
    & skf18("6","5","2","6","6","4","1") = "5"
    & skf18("6","5","2","6","6","5","1") = "5"
    & skf18("6","5","2","6","6","6","1") = "5"
    & skf18("6","5","2","6","6","7","1") = "6"
    & skf18("6","5","2","6","6","8","1") = "7"
    & skf18("6","5","2","6","6","9","1") = "8"
    & skf18("6","5","2","6","6","10","1") = "9"
    & skf18("6","5","2","6","7","1","1") = "6"
    & skf18("6","5","2","6","7","2","1") = "6"
    & skf18("6","5","2","6","7","3","1") = "6"
    & skf18("6","5","2","6","7","4","1") = "6"
    & skf18("6","5","2","6","7","5","1") = "6"
    & skf18("6","5","2","6","7","6","1") = "6"
    & skf18("6","5","2","6","7","7","1") = "6"
    & skf18("6","5","2","6","7","8","1") = "7"
    & skf18("6","5","2","6","7","9","1") = "8"
    & skf18("6","5","2","6","7","10","1") = "9"
    & skf18("6","5","2","6","8","1","1") = "7"
    & skf18("6","5","2","6","8","2","1") = "7"
    & skf18("6","5","2","6","8","3","1") = "7"
    & skf18("6","5","2","6","8","4","1") = "7"
    & skf18("6","5","2","6","8","5","1") = "7"
    & skf18("6","5","2","6","8","6","1") = "7"
    & skf18("6","5","2","6","8","7","1") = "7"
    & skf18("6","5","2","6","8","8","1") = "7"
    & skf18("6","5","2","6","8","9","1") = "8"
    & skf18("6","5","2","6","8","10","1") = "9"
    & skf18("6","5","2","6","9","1","1") = "8"
    & skf18("6","5","2","6","9","2","1") = "8"
    & skf18("6","5","2","6","9","3","1") = "8"
    & skf18("6","5","2","6","9","4","1") = "8"
    & skf18("6","5","2","6","9","5","1") = "8"
    & skf18("6","5","2","6","9","6","1") = "8"
    & skf18("6","5","2","6","9","7","1") = "8"
    & skf18("6","5","2","6","9","8","1") = "8"
    & skf18("6","5","2","6","9","9","1") = "8"
    & skf18("6","5","2","6","9","10","1") = "9"
    & skf18("6","5","2","6","10","1","1") = "9"
    & skf18("6","5","2","6","10","2","1") = "9"
    & skf18("6","5","2","6","10","3","1") = "9"
    & skf18("6","5","2","6","10","4","1") = "9"
    & skf18("6","5","2","6","10","5","1") = "9"
    & skf18("6","5","2","6","10","6","1") = "9"
    & skf18("6","5","2","6","10","7","1") = "9"
    & skf18("6","5","2","6","10","8","1") = "9"
    & skf18("6","5","2","6","10","9","1") = "9"
    & skf18("6","5","2","6","10","10","1") = "9"
    & skf18("6","5","2","7","1","1","1") = "6"
    & skf18("6","5","2","7","1","2","1") = "6"
    & skf18("6","5","2","7","1","3","1") = "6"
    & skf18("6","5","2","7","1","4","1") = "6"
    & skf18("6","5","2","7","1","5","1") = "6"
    & skf18("6","5","2","7","1","6","1") = "6"
    & skf18("6","5","2","7","1","7","1") = "6"
    & skf18("6","5","2","7","1","8","1") = "7"
    & skf18("6","5","2","7","1","9","1") = "8"
    & skf18("6","5","2","7","1","10","1") = "9"
    & skf18("6","5","2","7","2","1","1") = "6"
    & skf18("6","5","2","7","2","2","1") = "6"
    & skf18("6","5","2","7","2","3","1") = "6"
    & skf18("6","5","2","7","2","4","1") = "6"
    & skf18("6","5","2","7","2","5","1") = "6"
    & skf18("6","5","2","7","2","6","1") = "6"
    & skf18("6","5","2","7","2","7","1") = "6"
    & skf18("6","5","2","7","2","8","1") = "7"
    & skf18("6","5","2","7","2","9","1") = "8"
    & skf18("6","5","2","7","2","10","1") = "9"
    & skf18("6","5","2","7","3","1","1") = "6"
    & skf18("6","5","2","7","3","2","1") = "6"
    & skf18("6","5","2","7","3","3","1") = "6"
    & skf18("6","5","2","7","3","4","1") = "6"
    & skf18("6","5","2","7","3","5","1") = "6"
    & skf18("6","5","2","7","3","6","1") = "6"
    & skf18("6","5","2","7","3","7","1") = "6"
    & skf18("6","5","2","7","3","8","1") = "7"
    & skf18("6","5","2","7","3","9","1") = "8"
    & skf18("6","5","2","7","3","10","1") = "9"
    & skf18("6","5","2","7","4","1","1") = "6"
    & skf18("6","5","2","7","4","2","1") = "6"
    & skf18("6","5","2","7","4","3","1") = "6"
    & skf18("6","5","2","7","4","4","1") = "6"
    & skf18("6","5","2","7","4","5","1") = "6"
    & skf18("6","5","2","7","4","6","1") = "6"
    & skf18("6","5","2","7","4","7","1") = "6"
    & skf18("6","5","2","7","4","8","1") = "7"
    & skf18("6","5","2","7","4","9","1") = "8"
    & skf18("6","5","2","7","4","10","1") = "9"
    & skf18("6","5","2","7","5","1","1") = "6"
    & skf18("6","5","2","7","5","2","1") = "6"
    & skf18("6","5","2","7","5","3","1") = "6"
    & skf18("6","5","2","7","5","4","1") = "6"
    & skf18("6","5","2","7","5","5","1") = "6"
    & skf18("6","5","2","7","5","6","1") = "6"
    & skf18("6","5","2","7","5","7","1") = "6"
    & skf18("6","5","2","7","5","8","1") = "7"
    & skf18("6","5","2","7","5","9","1") = "8"
    & skf18("6","5","2","7","5","10","1") = "9"
    & skf18("6","5","2","7","6","1","1") = "6"
    & skf18("6","5","2","7","6","2","1") = "6"
    & skf18("6","5","2","7","6","3","1") = "6"
    & skf18("6","5","2","7","6","4","1") = "6"
    & skf18("6","5","2","7","6","5","1") = "6"
    & skf18("6","5","2","7","6","6","1") = "6"
    & skf18("6","5","2","7","6","7","1") = "6"
    & skf18("6","5","2","7","6","8","1") = "7"
    & skf18("6","5","2","7","6","9","1") = "8"
    & skf18("6","5","2","7","6","10","1") = "9"
    & skf18("6","5","2","7","7","1","1") = "6"
    & skf18("6","5","2","7","7","2","1") = "6"
    & skf18("6","5","2","7","7","3","1") = "6"
    & skf18("6","5","2","7","7","4","1") = "6"
    & skf18("6","5","2","7","7","5","1") = "6"
    & skf18("6","5","2","7","7","6","1") = "6"
    & skf18("6","5","2","7","7","7","1") = "6"
    & skf18("6","5","2","7","7","8","1") = "7"
    & skf18("6","5","2","7","7","9","1") = "8"
    & skf18("6","5","2","7","7","10","1") = "9"
    & skf18("6","5","2","7","8","1","1") = "7"
    & skf18("6","5","2","7","8","2","1") = "7"
    & skf18("6","5","2","7","8","3","1") = "7"
    & skf18("6","5","2","7","8","4","1") = "7"
    & skf18("6","5","2","7","8","5","1") = "7"
    & skf18("6","5","2","7","8","6","1") = "7"
    & skf18("6","5","2","7","8","7","1") = "7"
    & skf18("6","5","2","7","8","8","1") = "7"
    & skf18("6","5","2","7","8","9","1") = "8"
    & skf18("6","5","2","7","8","10","1") = "9"
    & skf18("6","5","2","7","9","1","1") = "8"
    & skf18("6","5","2","7","9","2","1") = "8"
    & skf18("6","5","2","7","9","3","1") = "8"
    & skf18("6","5","2","7","9","4","1") = "8"
    & skf18("6","5","2","7","9","5","1") = "8"
    & skf18("6","5","2","7","9","6","1") = "8"
    & skf18("6","5","2","7","9","7","1") = "8"
    & skf18("6","5","2","7","9","8","1") = "8"
    & skf18("6","5","2","7","9","9","1") = "8"
    & skf18("6","5","2","7","9","10","1") = "9"
    & skf18("6","5","2","7","10","1","1") = "9"
    & skf18("6","5","2","7","10","2","1") = "9"
    & skf18("6","5","2","7","10","3","1") = "9"
    & skf18("6","5","2","7","10","4","1") = "9"
    & skf18("6","5","2","7","10","5","1") = "9"
    & skf18("6","5","2","7","10","6","1") = "9"
    & skf18("6","5","2","7","10","7","1") = "9"
    & skf18("6","5","2","7","10","8","1") = "9"
    & skf18("6","5","2","7","10","9","1") = "9"
    & skf18("6","5","2","7","10","10","1") = "9"
    & skf18("6","5","2","8","1","1","1") = "7"
    & skf18("6","5","2","8","1","2","1") = "7"
    & skf18("6","5","2","8","1","3","1") = "7"
    & skf18("6","5","2","8","1","4","1") = "7"
    & skf18("6","5","2","8","1","5","1") = "7"
    & skf18("6","5","2","8","1","6","1") = "7"
    & skf18("6","5","2","8","1","7","1") = "7"
    & skf18("6","5","2","8","1","8","1") = "7"
    & skf18("6","5","2","8","1","9","1") = "8"
    & skf18("6","5","2","8","1","10","1") = "9"
    & skf18("6","5","2","8","2","1","1") = "7"
    & skf18("6","5","2","8","2","2","1") = "7"
    & skf18("6","5","2","8","2","3","1") = "7"
    & skf18("6","5","2","8","2","4","1") = "7"
    & skf18("6","5","2","8","2","5","1") = "7"
    & skf18("6","5","2","8","2","6","1") = "7"
    & skf18("6","5","2","8","2","7","1") = "7"
    & skf18("6","5","2","8","2","8","1") = "7"
    & skf18("6","5","2","8","2","9","1") = "8"
    & skf18("6","5","2","8","2","10","1") = "9"
    & skf18("6","5","2","8","3","1","1") = "7"
    & skf18("6","5","2","8","3","2","1") = "7"
    & skf18("6","5","2","8","3","3","1") = "7"
    & skf18("6","5","2","8","3","4","1") = "7"
    & skf18("6","5","2","8","3","5","1") = "7"
    & skf18("6","5","2","8","3","6","1") = "7"
    & skf18("6","5","2","8","3","7","1") = "7"
    & skf18("6","5","2","8","3","8","1") = "7"
    & skf18("6","5","2","8","3","9","1") = "8"
    & skf18("6","5","2","8","3","10","1") = "9"
    & skf18("6","5","2","8","4","1","1") = "7"
    & skf18("6","5","2","8","4","2","1") = "7"
    & skf18("6","5","2","8","4","3","1") = "7"
    & skf18("6","5","2","8","4","4","1") = "7"
    & skf18("6","5","2","8","4","5","1") = "7"
    & skf18("6","5","2","8","4","6","1") = "7"
    & skf18("6","5","2","8","4","7","1") = "7"
    & skf18("6","5","2","8","4","8","1") = "7"
    & skf18("6","5","2","8","4","9","1") = "8"
    & skf18("6","5","2","8","4","10","1") = "9"
    & skf18("6","5","2","8","5","1","1") = "7"
    & skf18("6","5","2","8","5","2","1") = "7"
    & skf18("6","5","2","8","5","3","1") = "7"
    & skf18("6","5","2","8","5","4","1") = "7"
    & skf18("6","5","2","8","5","5","1") = "7"
    & skf18("6","5","2","8","5","6","1") = "7"
    & skf18("6","5","2","8","5","7","1") = "7"
    & skf18("6","5","2","8","5","8","1") = "7"
    & skf18("6","5","2","8","5","9","1") = "8"
    & skf18("6","5","2","8","5","10","1") = "9"
    & skf18("6","5","2","8","6","1","1") = "7"
    & skf18("6","5","2","8","6","2","1") = "7"
    & skf18("6","5","2","8","6","3","1") = "7"
    & skf18("6","5","2","8","6","4","1") = "7"
    & skf18("6","5","2","8","6","5","1") = "7"
    & skf18("6","5","2","8","6","6","1") = "7"
    & skf18("6","5","2","8","6","7","1") = "7"
    & skf18("6","5","2","8","6","8","1") = "7"
    & skf18("6","5","2","8","6","9","1") = "8"
    & skf18("6","5","2","8","6","10","1") = "9"
    & skf18("6","5","2","8","7","1","1") = "7"
    & skf18("6","5","2","8","7","2","1") = "7"
    & skf18("6","5","2","8","7","3","1") = "7"
    & skf18("6","5","2","8","7","4","1") = "7"
    & skf18("6","5","2","8","7","5","1") = "7"
    & skf18("6","5","2","8","7","6","1") = "7"
    & skf18("6","5","2","8","7","7","1") = "7"
    & skf18("6","5","2","8","7","8","1") = "7"
    & skf18("6","5","2","8","7","9","1") = "8"
    & skf18("6","5","2","8","7","10","1") = "9"
    & skf18("6","5","2","8","8","1","1") = "7"
    & skf18("6","5","2","8","8","2","1") = "7"
    & skf18("6","5","2","8","8","3","1") = "7"
    & skf18("6","5","2","8","8","4","1") = "7"
    & skf18("6","5","2","8","8","5","1") = "7"
    & skf18("6","5","2","8","8","6","1") = "7"
    & skf18("6","5","2","8","8","7","1") = "7"
    & skf18("6","5","2","8","8","8","1") = "7"
    & skf18("6","5","2","8","8","9","1") = "8"
    & skf18("6","5","2","8","8","10","1") = "9"
    & skf18("6","5","2","8","9","1","1") = "8"
    & skf18("6","5","2","8","9","2","1") = "8"
    & skf18("6","5","2","8","9","3","1") = "8"
    & skf18("6","5","2","8","9","4","1") = "8"
    & skf18("6","5","2","8","9","5","1") = "8"
    & skf18("6","5","2","8","9","6","1") = "8"
    & skf18("6","5","2","8","9","7","1") = "8"
    & skf18("6","5","2","8","9","8","1") = "8"
    & skf18("6","5","2","8","9","9","1") = "8"
    & skf18("6","5","2","8","9","10","1") = "9"
    & skf18("6","5","2","8","10","1","1") = "9"
    & skf18("6","5","2","8","10","2","1") = "9"
    & skf18("6","5","2","8","10","3","1") = "9"
    & skf18("6","5","2","8","10","4","1") = "9"
    & skf18("6","5","2","8","10","5","1") = "9"
    & skf18("6","5","2","8","10","6","1") = "9"
    & skf18("6","5","2","8","10","7","1") = "9"
    & skf18("6","5","2","8","10","8","1") = "9"
    & skf18("6","5","2","8","10","9","1") = "9"
    & skf18("6","5","2","8","10","10","1") = "9"
    & skf18("6","5","2","9","1","1","1") = "8"
    & skf18("6","5","2","9","1","2","1") = "8"
    & skf18("6","5","2","9","1","3","1") = "8"
    & skf18("6","5","2","9","1","4","1") = "8"
    & skf18("6","5","2","9","1","5","1") = "8"
    & skf18("6","5","2","9","1","6","1") = "8"
    & skf18("6","5","2","9","1","7","1") = "8"
    & skf18("6","5","2","9","1","8","1") = "8"
    & skf18("6","5","2","9","1","9","1") = "8"
    & skf18("6","5","2","9","1","10","1") = "9"
    & skf18("6","5","2","9","2","1","1") = "8"
    & skf18("6","5","2","9","2","2","1") = "8"
    & skf18("6","5","2","9","2","3","1") = "8"
    & skf18("6","5","2","9","2","4","1") = "8"
    & skf18("6","5","2","9","2","5","1") = "8"
    & skf18("6","5","2","9","2","6","1") = "8"
    & skf18("6","5","2","9","2","7","1") = "8"
    & skf18("6","5","2","9","2","8","1") = "8"
    & skf18("6","5","2","9","2","9","1") = "8"
    & skf18("6","5","2","9","2","10","1") = "9"
    & skf18("6","5","2","9","3","1","1") = "8"
    & skf18("6","5","2","9","3","2","1") = "8"
    & skf18("6","5","2","9","3","3","1") = "8"
    & skf18("6","5","2","9","3","4","1") = "8"
    & skf18("6","5","2","9","3","5","1") = "8"
    & skf18("6","5","2","9","3","6","1") = "8"
    & skf18("6","5","2","9","3","7","1") = "8"
    & skf18("6","5","2","9","3","8","1") = "8"
    & skf18("6","5","2","9","3","9","1") = "8"
    & skf18("6","5","2","9","3","10","1") = "9"
    & skf18("6","5","2","9","4","1","1") = "8"
    & skf18("6","5","2","9","4","2","1") = "8"
    & skf18("6","5","2","9","4","3","1") = "8"
    & skf18("6","5","2","9","4","4","1") = "8"
    & skf18("6","5","2","9","4","5","1") = "8"
    & skf18("6","5","2","9","4","6","1") = "8"
    & skf18("6","5","2","9","4","7","1") = "8"
    & skf18("6","5","2","9","4","8","1") = "8"
    & skf18("6","5","2","9","4","9","1") = "8"
    & skf18("6","5","2","9","4","10","1") = "9"
    & skf18("6","5","2","9","5","1","1") = "8"
    & skf18("6","5","2","9","5","2","1") = "8"
    & skf18("6","5","2","9","5","3","1") = "8"
    & skf18("6","5","2","9","5","4","1") = "8"
    & skf18("6","5","2","9","5","5","1") = "8"
    & skf18("6","5","2","9","5","6","1") = "8"
    & skf18("6","5","2","9","5","7","1") = "8"
    & skf18("6","5","2","9","5","8","1") = "8"
    & skf18("6","5","2","9","5","9","1") = "8"
    & skf18("6","5","2","9","5","10","1") = "9"
    & skf18("6","5","2","9","6","1","1") = "8"
    & skf18("6","5","2","9","6","2","1") = "8"
    & skf18("6","5","2","9","6","3","1") = "8"
    & skf18("6","5","2","9","6","4","1") = "8"
    & skf18("6","5","2","9","6","5","1") = "8"
    & skf18("6","5","2","9","6","6","1") = "8"
    & skf18("6","5","2","9","6","7","1") = "8"
    & skf18("6","5","2","9","6","8","1") = "8"
    & skf18("6","5","2","9","6","9","1") = "8"
    & skf18("6","5","2","9","6","10","1") = "9"
    & skf18("6","5","2","9","7","1","1") = "8"
    & skf18("6","5","2","9","7","2","1") = "8"
    & skf18("6","5","2","9","7","3","1") = "8"
    & skf18("6","5","2","9","7","4","1") = "8"
    & skf18("6","5","2","9","7","5","1") = "8"
    & skf18("6","5","2","9","7","6","1") = "8"
    & skf18("6","5","2","9","7","7","1") = "8"
    & skf18("6","5","2","9","7","8","1") = "8"
    & skf18("6","5","2","9","7","9","1") = "8"
    & skf18("6","5","2","9","7","10","1") = "9"
    & skf18("6","5","2","9","8","1","1") = "8"
    & skf18("6","5","2","9","8","2","1") = "8"
    & skf18("6","5","2","9","8","3","1") = "8"
    & skf18("6","5","2","9","8","4","1") = "8"
    & skf18("6","5","2","9","8","5","1") = "8"
    & skf18("6","5","2","9","8","6","1") = "8"
    & skf18("6","5","2","9","8","7","1") = "8"
    & skf18("6","5","2","9","8","8","1") = "8"
    & skf18("6","5","2","9","8","9","1") = "8"
    & skf18("6","5","2","9","8","10","1") = "9"
    & skf18("6","5","2","9","9","1","1") = "8"
    & skf18("6","5","2","9","9","2","1") = "8"
    & skf18("6","5","2","9","9","3","1") = "8"
    & skf18("6","5","2","9","9","4","1") = "8"
    & skf18("6","5","2","9","9","5","1") = "8"
    & skf18("6","5","2","9","9","6","1") = "8"
    & skf18("6","5","2","9","9","7","1") = "8"
    & skf18("6","5","2","9","9","8","1") = "8"
    & skf18("6","5","2","9","9","9","1") = "8"
    & skf18("6","5","2","9","9","10","1") = "9"
    & skf18("6","5","2","9","10","1","1") = "9"
    & skf18("6","5","2","9","10","2","1") = "9"
    & skf18("6","5","2","9","10","3","1") = "9"
    & skf18("6","5","2","9","10","4","1") = "9"
    & skf18("6","5","2","9","10","5","1") = "9"
    & skf18("6","5","2","9","10","6","1") = "9"
    & skf18("6","5","2","9","10","7","1") = "9"
    & skf18("6","5","2","9","10","8","1") = "9"
    & skf18("6","5","2","9","10","9","1") = "9"
    & skf18("6","5","2","9","10","10","1") = "9"
    & skf18("6","5","2","10","1","1","1") = "9"
    & skf18("6","5","2","10","1","2","1") = "9"
    & skf18("6","5","2","10","1","3","1") = "9"
    & skf18("6","5","2","10","1","4","1") = "9"
    & skf18("6","5","2","10","1","5","1") = "9"
    & skf18("6","5","2","10","1","6","1") = "9"
    & skf18("6","5","2","10","1","7","1") = "9"
    & skf18("6","5","2","10","1","8","1") = "9"
    & skf18("6","5","2","10","1","9","1") = "9"
    & skf18("6","5","2","10","1","10","1") = "9"
    & skf18("6","5","2","10","2","1","1") = "9"
    & skf18("6","5","2","10","2","2","1") = "9"
    & skf18("6","5","2","10","2","3","1") = "9"
    & skf18("6","5","2","10","2","4","1") = "9"
    & skf18("6","5","2","10","2","5","1") = "9"
    & skf18("6","5","2","10","2","6","1") = "9"
    & skf18("6","5","2","10","2","7","1") = "9"
    & skf18("6","5","2","10","2","8","1") = "9"
    & skf18("6","5","2","10","2","9","1") = "9"
    & skf18("6","5","2","10","2","10","1") = "9"
    & skf18("6","5","2","10","3","1","1") = "9"
    & skf18("6","5","2","10","3","2","1") = "9"
    & skf18("6","5","2","10","3","3","1") = "9"
    & skf18("6","5","2","10","3","4","1") = "9"
    & skf18("6","5","2","10","3","5","1") = "9"
    & skf18("6","5","2","10","3","6","1") = "9"
    & skf18("6","5","2","10","3","7","1") = "9"
    & skf18("6","5","2","10","3","8","1") = "9"
    & skf18("6","5","2","10","3","9","1") = "9"
    & skf18("6","5","2","10","3","10","1") = "9"
    & skf18("6","5","2","10","4","1","1") = "9"
    & skf18("6","5","2","10","4","2","1") = "9"
    & skf18("6","5","2","10","4","3","1") = "9"
    & skf18("6","5","2","10","4","4","1") = "9"
    & skf18("6","5","2","10","4","5","1") = "9"
    & skf18("6","5","2","10","4","6","1") = "9"
    & skf18("6","5","2","10","4","7","1") = "9"
    & skf18("6","5","2","10","4","8","1") = "9"
    & skf18("6","5","2","10","4","9","1") = "9"
    & skf18("6","5","2","10","4","10","1") = "9"
    & skf18("6","5","2","10","5","1","1") = "9"
    & skf18("6","5","2","10","5","2","1") = "9"
    & skf18("6","5","2","10","5","3","1") = "9"
    & skf18("6","5","2","10","5","4","1") = "9"
    & skf18("6","5","2","10","5","5","1") = "9"
    & skf18("6","5","2","10","5","6","1") = "9"
    & skf18("6","5","2","10","5","7","1") = "9"
    & skf18("6","5","2","10","5","8","1") = "9"
    & skf18("6","5","2","10","5","9","1") = "9"
    & skf18("6","5","2","10","5","10","1") = "9"
    & skf18("6","5","2","10","6","1","1") = "9"
    & skf18("6","5","2","10","6","2","1") = "9"
    & skf18("6","5","2","10","6","3","1") = "9"
    & skf18("6","5","2","10","6","4","1") = "9"
    & skf18("6","5","2","10","6","5","1") = "9"
    & skf18("6","5","2","10","6","6","1") = "9"
    & skf18("6","5","2","10","6","7","1") = "9"
    & skf18("6","5","2","10","6","8","1") = "9"
    & skf18("6","5","2","10","6","9","1") = "9"
    & skf18("6","5","2","10","6","10","1") = "9"
    & skf18("6","5","2","10","7","1","1") = "9"
    & skf18("6","5","2","10","7","2","1") = "9"
    & skf18("6","5","2","10","7","3","1") = "9"
    & skf18("6","5","2","10","7","4","1") = "9"
    & skf18("6","5","2","10","7","5","1") = "9"
    & skf18("6","5","2","10","7","6","1") = "9"
    & skf18("6","5","2","10","7","7","1") = "9"
    & skf18("6","5","2","10","7","8","1") = "9"
    & skf18("6","5","2","10","7","9","1") = "9"
    & skf18("6","5","2","10","7","10","1") = "9"
    & skf18("6","5","2","10","8","1","1") = "9"
    & skf18("6","5","2","10","8","2","1") = "9"
    & skf18("6","5","2","10","8","3","1") = "9"
    & skf18("6","5","2","10","8","4","1") = "9"
    & skf18("6","5","2","10","8","5","1") = "9"
    & skf18("6","5","2","10","8","6","1") = "9"
    & skf18("6","5","2","10","8","7","1") = "9"
    & skf18("6","5","2","10","8","8","1") = "9"
    & skf18("6","5","2","10","8","9","1") = "9"
    & skf18("6","5","2","10","8","10","1") = "9"
    & skf18("6","5","2","10","9","1","1") = "9"
    & skf18("6","5","2","10","9","2","1") = "9"
    & skf18("6","5","2","10","9","3","1") = "9"
    & skf18("6","5","2","10","9","4","1") = "9"
    & skf18("6","5","2","10","9","5","1") = "9"
    & skf18("6","5","2","10","9","6","1") = "9"
    & skf18("6","5","2","10","9","7","1") = "9"
    & skf18("6","5","2","10","9","8","1") = "9"
    & skf18("6","5","2","10","9","9","1") = "9"
    & skf18("6","5","2","10","9","10","1") = "9"
    & skf18("6","5","2","10","10","1","1") = "9"
    & skf18("6","5","2","10","10","2","1") = "9"
    & skf18("6","5","2","10","10","3","1") = "9"
    & skf18("6","5","2","10","10","4","1") = "9"
    & skf18("6","5","2","10","10","5","1") = "9"
    & skf18("6","5","2","10","10","6","1") = "9"
    & skf18("6","5","2","10","10","7","1") = "9"
    & skf18("6","5","2","10","10","8","1") = "9"
    & skf18("6","5","2","10","10","9","1") = "9"
    & skf18("6","5","2","10","10","10","1") = "9"
    & skf18("6","5","3","1","1","1","1") = "5"
    & skf18("6","5","3","1","1","2","1") = "5"
    & skf18("6","5","3","1","1","3","1") = "5"
    & skf18("6","5","3","1","1","4","1") = "5"
    & skf18("6","5","3","1","1","5","1") = "5"
    & skf18("6","5","3","1","1","6","1") = "5"
    & skf18("6","5","3","1","1","7","1") = "6"
    & skf18("6","5","3","1","1","8","1") = "7"
    & skf18("6","5","3","1","1","9","1") = "8"
    & skf18("6","5","3","1","1","10","1") = "9"
    & skf18("6","5","3","1","2","1","1") = "5"
    & skf18("6","5","3","1","2","2","1") = "5"
    & skf18("6","5","3","1","2","3","1") = "5"
    & skf18("6","5","3","1","2","4","1") = "5"
    & skf18("6","5","3","1","2","5","1") = "5"
    & skf18("6","5","3","1","2","6","1") = "5"
    & skf18("6","5","3","1","2","7","1") = "6"
    & skf18("6","5","3","1","2","8","1") = "7"
    & skf18("6","5","3","1","2","9","1") = "8"
    & skf18("6","5","3","1","2","10","1") = "9"
    & skf18("6","5","3","1","3","1","1") = "5"
    & skf18("6","5","3","1","3","2","1") = "5"
    & skf18("6","5","3","1","3","3","1") = "5"
    & skf18("6","5","3","1","3","4","1") = "5"
    & skf18("6","5","3","1","3","5","1") = "5"
    & skf18("6","5","3","1","3","6","1") = "5"
    & skf18("6","5","3","1","3","7","1") = "6"
    & skf18("6","5","3","1","3","8","1") = "7"
    & skf18("6","5","3","1","3","9","1") = "8"
    & skf18("6","5","3","1","3","10","1") = "9"
    & skf18("6","5","3","1","4","1","1") = "5"
    & skf18("6","5","3","1","4","2","1") = "5"
    & skf18("6","5","3","1","4","3","1") = "5"
    & skf18("6","5","3","1","4","4","1") = "5"
    & skf18("6","5","3","1","4","5","1") = "5"
    & skf18("6","5","3","1","4","6","1") = "5"
    & skf18("6","5","3","1","4","7","1") = "6"
    & skf18("6","5","3","1","4","8","1") = "7"
    & skf18("6","5","3","1","4","9","1") = "8"
    & skf18("6","5","3","1","4","10","1") = "9"
    & skf18("6","5","3","1","5","1","1") = "5"
    & skf18("6","5","3","1","5","2","1") = "5"
    & skf18("6","5","3","1","5","3","1") = "5"
    & skf18("6","5","3","1","5","4","1") = "5"
    & skf18("6","5","3","1","5","5","1") = "5"
    & skf18("6","5","3","1","5","6","1") = "5"
    & skf18("6","5","3","1","5","7","1") = "6"
    & skf18("6","5","3","1","5","8","1") = "7"
    & skf18("6","5","3","1","5","9","1") = "8"
    & skf18("6","5","3","1","5","10","1") = "9"
    & skf18("6","5","3","1","6","1","1") = "5"
    & skf18("6","5","3","1","6","2","1") = "5"
    & skf18("6","5","3","1","6","3","1") = "5"
    & skf18("6","5","3","1","6","4","1") = "5"
    & skf18("6","5","3","1","6","5","1") = "5"
    & skf18("6","5","3","1","6","6","1") = "5"
    & skf18("6","5","3","1","6","7","1") = "6"
    & skf18("6","5","3","1","6","8","1") = "7"
    & skf18("6","5","3","1","6","9","1") = "8"
    & skf18("6","5","3","1","6","10","1") = "9"
    & skf18("6","5","3","1","7","1","1") = "6"
    & skf18("6","5","3","1","7","2","1") = "6"
    & skf18("6","5","3","1","7","3","1") = "6"
    & skf18("6","5","3","1","7","4","1") = "6"
    & skf18("6","5","3","1","7","5","1") = "6"
    & skf18("6","5","3","1","7","6","1") = "6"
    & skf18("6","5","3","1","7","7","1") = "6"
    & skf18("6","5","3","1","7","8","1") = "7"
    & skf18("6","5","3","1","7","9","1") = "8"
    & skf18("6","5","3","1","7","10","1") = "9"
    & skf18("6","5","3","1","8","1","1") = "7"
    & skf18("6","5","3","1","8","2","1") = "7"
    & skf18("6","5","3","1","8","3","1") = "7"
    & skf18("6","5","3","1","8","4","1") = "7"
    & skf18("6","5","3","1","8","5","1") = "7"
    & skf18("6","5","3","1","8","6","1") = "7"
    & skf18("6","5","3","1","8","7","1") = "7"
    & skf18("6","5","3","1","8","8","1") = "7"
    & skf18("6","5","3","1","8","9","1") = "8"
    & skf18("6","5","3","1","8","10","1") = "9"
    & skf18("6","5","3","1","9","1","1") = "8"
    & skf18("6","5","3","1","9","2","1") = "8"
    & skf18("6","5","3","1","9","3","1") = "8"
    & skf18("6","5","3","1","9","4","1") = "8"
    & skf18("6","5","3","1","9","5","1") = "8"
    & skf18("6","5","3","1","9","6","1") = "8"
    & skf18("6","5","3","1","9","7","1") = "8"
    & skf18("6","5","3","1","9","8","1") = "8"
    & skf18("6","5","3","1","9","9","1") = "8"
    & skf18("6","5","3","1","9","10","1") = "9"
    & skf18("6","5","3","1","10","1","1") = "9"
    & skf18("6","5","3","1","10","2","1") = "9"
    & skf18("6","5","3","1","10","3","1") = "9"
    & skf18("6","5","3","1","10","4","1") = "9"
    & skf18("6","5","3","1","10","5","1") = "9"
    & skf18("6","5","3","1","10","6","1") = "9"
    & skf18("6","5","3","1","10","7","1") = "9"
    & skf18("6","5","3","1","10","8","1") = "9"
    & skf18("6","5","3","1","10","9","1") = "9"
    & skf18("6","5","3","1","10","10","1") = "9"
    & skf18("6","5","3","2","1","1","1") = "5"
    & skf18("6","5","3","2","1","2","1") = "5"
    & skf18("6","5","3","2","1","3","1") = "5"
    & skf18("6","5","3","2","1","4","1") = "5"
    & skf18("6","5","3","2","1","5","1") = "5"
    & skf18("6","5","3","2","1","6","1") = "5"
    & skf18("6","5","3","2","1","7","1") = "6"
    & skf18("6","5","3","2","1","8","1") = "7"
    & skf18("6","5","3","2","1","9","1") = "8"
    & skf18("6","5","3","2","1","10","1") = "9"
    & skf18("6","5","3","2","2","1","1") = "5"
    & skf18("6","5","3","2","2","2","1") = "5"
    & skf18("6","5","3","2","2","3","1") = "5"
    & skf18("6","5","3","2","2","4","1") = "5"
    & skf18("6","5","3","2","2","5","1") = "5"
    & skf18("6","5","3","2","2","6","1") = "5"
    & skf18("6","5","3","2","2","7","1") = "6"
    & skf18("6","5","3","2","2","8","1") = "7"
    & skf18("6","5","3","2","2","9","1") = "8"
    & skf18("6","5","3","2","2","10","1") = "9"
    & skf18("6","5","3","2","3","1","1") = "5"
    & skf18("6","5","3","2","3","2","1") = "5"
    & skf18("6","5","3","2","3","3","1") = "5"
    & skf18("6","5","3","2","3","4","1") = "5"
    & skf18("6","5","3","2","3","5","1") = "5"
    & skf18("6","5","3","2","3","6","1") = "5"
    & skf18("6","5","3","2","3","7","1") = "6"
    & skf18("6","5","3","2","3","8","1") = "7"
    & skf18("6","5","3","2","3","9","1") = "8"
    & skf18("6","5","3","2","3","10","1") = "9"
    & skf18("6","5","3","2","4","1","1") = "5"
    & skf18("6","5","3","2","4","2","1") = "5"
    & skf18("6","5","3","2","4","3","1") = "5"
    & skf18("6","5","3","2","4","4","1") = "5"
    & skf18("6","5","3","2","4","5","1") = "5"
    & skf18("6","5","3","2","4","6","1") = "5"
    & skf18("6","5","3","2","4","7","1") = "6"
    & skf18("6","5","3","2","4","8","1") = "7"
    & skf18("6","5","3","2","4","9","1") = "8"
    & skf18("6","5","3","2","4","10","1") = "9"
    & skf18("6","5","3","2","5","1","1") = "5"
    & skf18("6","5","3","2","5","2","1") = "5"
    & skf18("6","5","3","2","5","3","1") = "5"
    & skf18("6","5","3","2","5","4","1") = "5"
    & skf18("6","5","3","2","5","5","1") = "5"
    & skf18("6","5","3","2","5","6","1") = "5"
    & skf18("6","5","3","2","5","7","1") = "6"
    & skf18("6","5","3","2","5","8","1") = "7"
    & skf18("6","5","3","2","5","9","1") = "8"
    & skf18("6","5","3","2","5","10","1") = "9"
    & skf18("6","5","3","2","6","1","1") = "5"
    & skf18("6","5","3","2","6","2","1") = "5"
    & skf18("6","5","3","2","6","3","1") = "5"
    & skf18("6","5","3","2","6","4","1") = "5"
    & skf18("6","5","3","2","6","5","1") = "5"
    & skf18("6","5","3","2","6","6","1") = "5"
    & skf18("6","5","3","2","6","7","1") = "6"
    & skf18("6","5","3","2","6","8","1") = "7"
    & skf18("6","5","3","2","6","9","1") = "8"
    & skf18("6","5","3","2","6","10","1") = "9"
    & skf18("6","5","3","2","7","1","1") = "6"
    & skf18("6","5","3","2","7","2","1") = "6"
    & skf18("6","5","3","2","7","3","1") = "6"
    & skf18("6","5","3","2","7","4","1") = "6"
    & skf18("6","5","3","2","7","5","1") = "6"
    & skf18("6","5","3","2","7","6","1") = "6"
    & skf18("6","5","3","2","7","7","1") = "6"
    & skf18("6","5","3","2","7","8","1") = "7"
    & skf18("6","5","3","2","7","9","1") = "8"
    & skf18("6","5","3","2","7","10","1") = "9"
    & skf18("6","5","3","2","8","1","1") = "7"
    & skf18("6","5","3","2","8","2","1") = "7"
    & skf18("6","5","3","2","8","3","1") = "7"
    & skf18("6","5","3","2","8","4","1") = "7"
    & skf18("6","5","3","2","8","5","1") = "7"
    & skf18("6","5","3","2","8","6","1") = "7"
    & skf18("6","5","3","2","8","7","1") = "7"
    & skf18("6","5","3","2","8","8","1") = "7"
    & skf18("6","5","3","2","8","9","1") = "8"
    & skf18("6","5","3","2","8","10","1") = "9"
    & skf18("6","5","3","2","9","1","1") = "8"
    & skf18("6","5","3","2","9","2","1") = "8"
    & skf18("6","5","3","2","9","3","1") = "8"
    & skf18("6","5","3","2","9","4","1") = "8"
    & skf18("6","5","3","2","9","5","1") = "8"
    & skf18("6","5","3","2","9","6","1") = "8"
    & skf18("6","5","3","2","9","7","1") = "8"
    & skf18("6","5","3","2","9","8","1") = "8"
    & skf18("6","5","3","2","9","9","1") = "8"
    & skf18("6","5","3","2","9","10","1") = "9"
    & skf18("6","5","3","2","10","1","1") = "9"
    & skf18("6","5","3","2","10","2","1") = "9"
    & skf18("6","5","3","2","10","3","1") = "9"
    & skf18("6","5","3","2","10","4","1") = "9"
    & skf18("6","5","3","2","10","5","1") = "9"
    & skf18("6","5","3","2","10","6","1") = "9"
    & skf18("6","5","3","2","10","7","1") = "9"
    & skf18("6","5","3","2","10","8","1") = "9"
    & skf18("6","5","3","2","10","9","1") = "9"
    & skf18("6","5","3","2","10","10","1") = "9"
    & skf18("6","5","3","3","1","1","1") = "5"
    & skf18("6","5","3","3","1","2","1") = "5"
    & skf18("6","5","3","3","1","3","1") = "5"
    & skf18("6","5","3","3","1","4","1") = "5"
    & skf18("6","5","3","3","1","5","1") = "5"
    & skf18("6","5","3","3","1","6","1") = "5"
    & skf18("6","5","3","3","1","7","1") = "6"
    & skf18("6","5","3","3","1","8","1") = "7"
    & skf18("6","5","3","3","1","9","1") = "8"
    & skf18("6","5","3","3","1","10","1") = "9"
    & skf18("6","5","3","3","2","1","1") = "5"
    & skf18("6","5","3","3","2","2","1") = "5"
    & skf18("6","5","3","3","2","3","1") = "5"
    & skf18("6","5","3","3","2","4","1") = "5"
    & skf18("6","5","3","3","2","5","1") = "5"
    & skf18("6","5","3","3","2","6","1") = "5"
    & skf18("6","5","3","3","2","7","1") = "6"
    & skf18("6","5","3","3","2","8","1") = "7"
    & skf18("6","5","3","3","2","9","1") = "8"
    & skf18("6","5","3","3","2","10","1") = "9"
    & skf18("6","5","3","3","3","1","1") = "5"
    & skf18("6","5","3","3","3","2","1") = "5"
    & skf18("6","5","3","3","3","3","1") = "5"
    & skf18("6","5","3","3","3","4","1") = "5"
    & skf18("6","5","3","3","3","5","1") = "5"
    & skf18("6","5","3","3","3","6","1") = "5"
    & skf18("6","5","3","3","3","7","1") = "6"
    & skf18("6","5","3","3","3","8","1") = "7"
    & skf18("6","5","3","3","3","9","1") = "8"
    & skf18("6","5","3","3","3","10","1") = "9"
    & skf18("6","5","3","3","4","1","1") = "5"
    & skf18("6","5","3","3","4","2","1") = "5"
    & skf18("6","5","3","3","4","3","1") = "5"
    & skf18("6","5","3","3","4","4","1") = "5"
    & skf18("6","5","3","3","4","5","1") = "5"
    & skf18("6","5","3","3","4","6","1") = "5"
    & skf18("6","5","3","3","4","7","1") = "6"
    & skf18("6","5","3","3","4","8","1") = "7"
    & skf18("6","5","3","3","4","9","1") = "8"
    & skf18("6","5","3","3","4","10","1") = "9"
    & skf18("6","5","3","3","5","1","1") = "5"
    & skf18("6","5","3","3","5","2","1") = "5"
    & skf18("6","5","3","3","5","3","1") = "5"
    & skf18("6","5","3","3","5","4","1") = "5"
    & skf18("6","5","3","3","5","5","1") = "5"
    & skf18("6","5","3","3","5","6","1") = "5"
    & skf18("6","5","3","3","5","7","1") = "6"
    & skf18("6","5","3","3","5","8","1") = "7"
    & skf18("6","5","3","3","5","9","1") = "8"
    & skf18("6","5","3","3","5","10","1") = "9"
    & skf18("6","5","3","3","6","1","1") = "5"
    & skf18("6","5","3","3","6","2","1") = "5"
    & skf18("6","5","3","3","6","3","1") = "5"
    & skf18("6","5","3","3","6","4","1") = "5"
    & skf18("6","5","3","3","6","5","1") = "5"
    & skf18("6","5","3","3","6","6","1") = "5"
    & skf18("6","5","3","3","6","7","1") = "6"
    & skf18("6","5","3","3","6","8","1") = "7"
    & skf18("6","5","3","3","6","9","1") = "8"
    & skf18("6","5","3","3","6","10","1") = "9"
    & skf18("6","5","3","3","7","1","1") = "6"
    & skf18("6","5","3","3","7","2","1") = "6"
    & skf18("6","5","3","3","7","3","1") = "6"
    & skf18("6","5","3","3","7","4","1") = "6"
    & skf18("6","5","3","3","7","5","1") = "6"
    & skf18("6","5","3","3","7","6","1") = "6"
    & skf18("6","5","3","3","7","7","1") = "6"
    & skf18("6","5","3","3","7","8","1") = "7"
    & skf18("6","5","3","3","7","9","1") = "8"
    & skf18("6","5","3","3","7","10","1") = "9"
    & skf18("6","5","3","3","8","1","1") = "7"
    & skf18("6","5","3","3","8","2","1") = "7"
    & skf18("6","5","3","3","8","3","1") = "7"
    & skf18("6","5","3","3","8","4","1") = "7"
    & skf18("6","5","3","3","8","5","1") = "7"
    & skf18("6","5","3","3","8","6","1") = "7"
    & skf18("6","5","3","3","8","7","1") = "7"
    & skf18("6","5","3","3","8","8","1") = "7"
    & skf18("6","5","3","3","8","9","1") = "8"
    & skf18("6","5","3","3","8","10","1") = "9"
    & skf18("6","5","3","3","9","1","1") = "8"
    & skf18("6","5","3","3","9","2","1") = "8"
    & skf18("6","5","3","3","9","3","1") = "8"
    & skf18("6","5","3","3","9","4","1") = "8"
    & skf18("6","5","3","3","9","5","1") = "8"
    & skf18("6","5","3","3","9","6","1") = "8"
    & skf18("6","5","3","3","9","7","1") = "8"
    & skf18("6","5","3","3","9","8","1") = "8"
    & skf18("6","5","3","3","9","9","1") = "8"
    & skf18("6","5","3","3","9","10","1") = "9"
    & skf18("6","5","3","3","10","1","1") = "9"
    & skf18("6","5","3","3","10","2","1") = "9"
    & skf18("6","5","3","3","10","3","1") = "9"
    & skf18("6","5","3","3","10","4","1") = "9"
    & skf18("6","5","3","3","10","5","1") = "9"
    & skf18("6","5","3","3","10","6","1") = "9"
    & skf18("6","5","3","3","10","7","1") = "9"
    & skf18("6","5","3","3","10","8","1") = "9"
    & skf18("6","5","3","3","10","9","1") = "9"
    & skf18("6","5","3","3","10","10","1") = "9"
    & skf18("6","5","3","4","1","1","1") = "5"
    & skf18("6","5","3","4","1","2","1") = "5"
    & skf18("6","5","3","4","1","3","1") = "5"
    & skf18("6","5","3","4","1","4","1") = "5"
    & skf18("6","5","3","4","1","5","1") = "5"
    & skf18("6","5","3","4","1","6","1") = "5"
    & skf18("6","5","3","4","1","7","1") = "6"
    & skf18("6","5","3","4","1","8","1") = "7"
    & skf18("6","5","3","4","1","9","1") = "8"
    & skf18("6","5","3","4","1","10","1") = "9"
    & skf18("6","5","3","4","2","1","1") = "5"
    & skf18("6","5","3","4","2","2","1") = "5"
    & skf18("6","5","3","4","2","3","1") = "5"
    & skf18("6","5","3","4","2","4","1") = "5"
    & skf18("6","5","3","4","2","5","1") = "5"
    & skf18("6","5","3","4","2","6","1") = "5"
    & skf18("6","5","3","4","2","7","1") = "6"
    & skf18("6","5","3","4","2","8","1") = "7"
    & skf18("6","5","3","4","2","9","1") = "8"
    & skf18("6","5","3","4","2","10","1") = "9"
    & skf18("6","5","3","4","3","1","1") = "5"
    & skf18("6","5","3","4","3","2","1") = "5"
    & skf18("6","5","3","4","3","3","1") = "5"
    & skf18("6","5","3","4","3","4","1") = "5"
    & skf18("6","5","3","4","3","5","1") = "5"
    & skf18("6","5","3","4","3","6","1") = "5"
    & skf18("6","5","3","4","3","7","1") = "6"
    & skf18("6","5","3","4","3","8","1") = "7"
    & skf18("6","5","3","4","3","9","1") = "8"
    & skf18("6","5","3","4","3","10","1") = "9"
    & skf18("6","5","3","4","4","1","1") = "5"
    & skf18("6","5","3","4","4","2","1") = "5"
    & skf18("6","5","3","4","4","3","1") = "5"
    & skf18("6","5","3","4","4","4","1") = "5"
    & skf18("6","5","3","4","4","5","1") = "5"
    & skf18("6","5","3","4","4","6","1") = "5"
    & skf18("6","5","3","4","4","7","1") = "6"
    & skf18("6","5","3","4","4","8","1") = "7"
    & skf18("6","5","3","4","4","9","1") = "8"
    & skf18("6","5","3","4","4","10","1") = "9"
    & skf18("6","5","3","4","5","1","1") = "5"
    & skf18("6","5","3","4","5","2","1") = "5"
    & skf18("6","5","3","4","5","3","1") = "5"
    & skf18("6","5","3","4","5","4","1") = "5"
    & skf18("6","5","3","4","5","5","1") = "5"
    & skf18("6","5","3","4","5","6","1") = "5"
    & skf18("6","5","3","4","5","7","1") = "6"
    & skf18("6","5","3","4","5","8","1") = "7"
    & skf18("6","5","3","4","5","9","1") = "8"
    & skf18("6","5","3","4","5","10","1") = "9"
    & skf18("6","5","3","4","6","1","1") = "5"
    & skf18("6","5","3","4","6","2","1") = "5"
    & skf18("6","5","3","4","6","3","1") = "5"
    & skf18("6","5","3","4","6","4","1") = "5"
    & skf18("6","5","3","4","6","5","1") = "5"
    & skf18("6","5","3","4","6","6","1") = "5"
    & skf18("6","5","3","4","6","7","1") = "6"
    & skf18("6","5","3","4","6","8","1") = "7"
    & skf18("6","5","3","4","6","9","1") = "8"
    & skf18("6","5","3","4","6","10","1") = "9"
    & skf18("6","5","3","4","7","1","1") = "6"
    & skf18("6","5","3","4","7","2","1") = "6"
    & skf18("6","5","3","4","7","3","1") = "6"
    & skf18("6","5","3","4","7","4","1") = "6"
    & skf18("6","5","3","4","7","5","1") = "6"
    & skf18("6","5","3","4","7","6","1") = "6"
    & skf18("6","5","3","4","7","7","1") = "6"
    & skf18("6","5","3","4","7","8","1") = "7"
    & skf18("6","5","3","4","7","9","1") = "8"
    & skf18("6","5","3","4","7","10","1") = "9"
    & skf18("6","5","3","4","8","1","1") = "7"
    & skf18("6","5","3","4","8","2","1") = "7"
    & skf18("6","5","3","4","8","3","1") = "7"
    & skf18("6","5","3","4","8","4","1") = "7"
    & skf18("6","5","3","4","8","5","1") = "7"
    & skf18("6","5","3","4","8","6","1") = "7"
    & skf18("6","5","3","4","8","7","1") = "7"
    & skf18("6","5","3","4","8","8","1") = "7"
    & skf18("6","5","3","4","8","9","1") = "8"
    & skf18("6","5","3","4","8","10","1") = "9"
    & skf18("6","5","3","4","9","1","1") = "8"
    & skf18("6","5","3","4","9","2","1") = "8"
    & skf18("6","5","3","4","9","3","1") = "8"
    & skf18("6","5","3","4","9","4","1") = "8"
    & skf18("6","5","3","4","9","5","1") = "8"
    & skf18("6","5","3","4","9","6","1") = "8"
    & skf18("6","5","3","4","9","7","1") = "8"
    & skf18("6","5","3","4","9","8","1") = "8"
    & skf18("6","5","3","4","9","9","1") = "8"
    & skf18("6","5","3","4","9","10","1") = "9"
    & skf18("6","5","3","4","10","1","1") = "9"
    & skf18("6","5","3","4","10","2","1") = "9"
    & skf18("6","5","3","4","10","3","1") = "9"
    & skf18("6","5","3","4","10","4","1") = "9"
    & skf18("6","5","3","4","10","5","1") = "9"
    & skf18("6","5","3","4","10","6","1") = "9"
    & skf18("6","5","3","4","10","7","1") = "9"
    & skf18("6","5","3","4","10","8","1") = "9"
    & skf18("6","5","3","4","10","9","1") = "9"
    & skf18("6","5","3","4","10","10","1") = "9"
    & skf18("6","5","3","5","1","1","1") = "5"
    & skf18("6","5","3","5","1","2","1") = "5"
    & skf18("6","5","3","5","1","3","1") = "5"
    & skf18("6","5","3","5","1","4","1") = "5"
    & skf18("6","5","3","5","1","5","1") = "5"
    & skf18("6","5","3","5","1","6","1") = "5"
    & skf18("6","5","3","5","1","7","1") = "6"
    & skf18("6","5","3","5","1","8","1") = "7"
    & skf18("6","5","3","5","1","9","1") = "8"
    & skf18("6","5","3","5","1","10","1") = "9"
    & skf18("6","5","3","5","2","1","1") = "5"
    & skf18("6","5","3","5","2","2","1") = "5"
    & skf18("6","5","3","5","2","3","1") = "5"
    & skf18("6","5","3","5","2","4","1") = "5"
    & skf18("6","5","3","5","2","5","1") = "5"
    & skf18("6","5","3","5","2","6","1") = "5"
    & skf18("6","5","3","5","2","7","1") = "6"
    & skf18("6","5","3","5","2","8","1") = "7"
    & skf18("6","5","3","5","2","9","1") = "8"
    & skf18("6","5","3","5","2","10","1") = "9"
    & skf18("6","5","3","5","3","1","1") = "5"
    & skf18("6","5","3","5","3","2","1") = "5"
    & skf18("6","5","3","5","3","3","1") = "5"
    & skf18("6","5","3","5","3","4","1") = "5"
    & skf18("6","5","3","5","3","5","1") = "5"
    & skf18("6","5","3","5","3","6","1") = "5"
    & skf18("6","5","3","5","3","7","1") = "6"
    & skf18("6","5","3","5","3","8","1") = "7"
    & skf18("6","5","3","5","3","9","1") = "8"
    & skf18("6","5","3","5","3","10","1") = "9"
    & skf18("6","5","3","5","4","1","1") = "5"
    & skf18("6","5","3","5","4","2","1") = "5"
    & skf18("6","5","3","5","4","3","1") = "5"
    & skf18("6","5","3","5","4","4","1") = "5"
    & skf18("6","5","3","5","4","5","1") = "5"
    & skf18("6","5","3","5","4","6","1") = "5"
    & skf18("6","5","3","5","4","7","1") = "6"
    & skf18("6","5","3","5","4","8","1") = "7"
    & skf18("6","5","3","5","4","9","1") = "8"
    & skf18("6","5","3","5","4","10","1") = "9"
    & skf18("6","5","3","5","5","1","1") = "5"
    & skf18("6","5","3","5","5","2","1") = "5"
    & skf18("6","5","3","5","5","3","1") = "5"
    & skf18("6","5","3","5","5","4","1") = "5"
    & skf18("6","5","3","5","5","5","1") = "5"
    & skf18("6","5","3","5","5","6","1") = "5"
    & skf18("6","5","3","5","5","7","1") = "6"
    & skf18("6","5","3","5","5","8","1") = "7"
    & skf18("6","5","3","5","5","9","1") = "8"
    & skf18("6","5","3","5","5","10","1") = "9"
    & skf18("6","5","3","5","6","1","1") = "5"
    & skf18("6","5","3","5","6","2","1") = "5"
    & skf18("6","5","3","5","6","3","1") = "5"
    & skf18("6","5","3","5","6","4","1") = "5"
    & skf18("6","5","3","5","6","5","1") = "5"
    & skf18("6","5","3","5","6","6","1") = "5"
    & skf18("6","5","3","5","6","7","1") = "6"
    & skf18("6","5","3","5","6","8","1") = "7"
    & skf18("6","5","3","5","6","9","1") = "8"
    & skf18("6","5","3","5","6","10","1") = "9"
    & skf18("6","5","3","5","7","1","1") = "6"
    & skf18("6","5","3","5","7","2","1") = "6"
    & skf18("6","5","3","5","7","3","1") = "6"
    & skf18("6","5","3","5","7","4","1") = "6"
    & skf18("6","5","3","5","7","5","1") = "6"
    & skf18("6","5","3","5","7","6","1") = "6"
    & skf18("6","5","3","5","7","7","1") = "6"
    & skf18("6","5","3","5","7","8","1") = "7"
    & skf18("6","5","3","5","7","9","1") = "8"
    & skf18("6","5","3","5","7","10","1") = "9"
    & skf18("6","5","3","5","8","1","1") = "7"
    & skf18("6","5","3","5","8","2","1") = "7"
    & skf18("6","5","3","5","8","3","1") = "7"
    & skf18("6","5","3","5","8","4","1") = "7"
    & skf18("6","5","3","5","8","5","1") = "7"
    & skf18("6","5","3","5","8","6","1") = "7"
    & skf18("6","5","3","5","8","7","1") = "7"
    & skf18("6","5","3","5","8","8","1") = "7"
    & skf18("6","5","3","5","8","9","1") = "8"
    & skf18("6","5","3","5","8","10","1") = "9"
    & skf18("6","5","3","5","9","1","1") = "8"
    & skf18("6","5","3","5","9","2","1") = "8"
    & skf18("6","5","3","5","9","3","1") = "8"
    & skf18("6","5","3","5","9","4","1") = "8"
    & skf18("6","5","3","5","9","5","1") = "8"
    & skf18("6","5","3","5","9","6","1") = "8"
    & skf18("6","5","3","5","9","7","1") = "8"
    & skf18("6","5","3","5","9","8","1") = "8"
    & skf18("6","5","3","5","9","9","1") = "8"
    & skf18("6","5","3","5","9","10","1") = "9"
    & skf18("6","5","3","5","10","1","1") = "9"
    & skf18("6","5","3","5","10","2","1") = "9"
    & skf18("6","5","3","5","10","3","1") = "9"
    & skf18("6","5","3","5","10","4","1") = "9"
    & skf18("6","5","3","5","10","5","1") = "9"
    & skf18("6","5","3","5","10","6","1") = "9"
    & skf18("6","5","3","5","10","7","1") = "9"
    & skf18("6","5","3","5","10","8","1") = "9"
    & skf18("6","5","3","5","10","9","1") = "9"
    & skf18("6","5","3","5","10","10","1") = "9"
    & skf18("6","5","3","6","1","1","1") = "5"
    & skf18("6","5","3","6","1","2","1") = "5"
    & skf18("6","5","3","6","1","3","1") = "5"
    & skf18("6","5","3","6","1","4","1") = "5"
    & skf18("6","5","3","6","1","5","1") = "5"
    & skf18("6","5","3","6","1","6","1") = "5"
    & skf18("6","5","3","6","1","7","1") = "6"
    & skf18("6","5","3","6","1","8","1") = "7"
    & skf18("6","5","3","6","1","9","1") = "8"
    & skf18("6","5","3","6","1","10","1") = "9"
    & skf18("6","5","3","6","2","1","1") = "5"
    & skf18("6","5","3","6","2","2","1") = "5"
    & skf18("6","5","3","6","2","3","1") = "5"
    & skf18("6","5","3","6","2","4","1") = "5"
    & skf18("6","5","3","6","2","5","1") = "5"
    & skf18("6","5","3","6","2","6","1") = "5"
    & skf18("6","5","3","6","2","7","1") = "6"
    & skf18("6","5","3","6","2","8","1") = "7"
    & skf18("6","5","3","6","2","9","1") = "8"
    & skf18("6","5","3","6","2","10","1") = "9"
    & skf18("6","5","3","6","3","1","1") = "5"
    & skf18("6","5","3","6","3","2","1") = "5"
    & skf18("6","5","3","6","3","3","1") = "5"
    & skf18("6","5","3","6","3","4","1") = "5"
    & skf18("6","5","3","6","3","5","1") = "5"
    & skf18("6","5","3","6","3","6","1") = "5"
    & skf18("6","5","3","6","3","7","1") = "6"
    & skf18("6","5","3","6","3","8","1") = "7"
    & skf18("6","5","3","6","3","9","1") = "8"
    & skf18("6","5","3","6","3","10","1") = "9"
    & skf18("6","5","3","6","4","1","1") = "5"
    & skf18("6","5","3","6","4","2","1") = "5"
    & skf18("6","5","3","6","4","3","1") = "5"
    & skf18("6","5","3","6","4","4","1") = "5"
    & skf18("6","5","3","6","4","5","1") = "5"
    & skf18("6","5","3","6","4","6","1") = "5"
    & skf18("6","5","3","6","4","7","1") = "6"
    & skf18("6","5","3","6","4","8","1") = "7"
    & skf18("6","5","3","6","4","9","1") = "8"
    & skf18("6","5","3","6","4","10","1") = "9"
    & skf18("6","5","3","6","5","1","1") = "5"
    & skf18("6","5","3","6","5","2","1") = "5"
    & skf18("6","5","3","6","5","3","1") = "5"
    & skf18("6","5","3","6","5","4","1") = "5"
    & skf18("6","5","3","6","5","5","1") = "5"
    & skf18("6","5","3","6","5","6","1") = "5"
    & skf18("6","5","3","6","5","7","1") = "6"
    & skf18("6","5","3","6","5","8","1") = "7"
    & skf18("6","5","3","6","5","9","1") = "8"
    & skf18("6","5","3","6","5","10","1") = "9"
    & skf18("6","5","3","6","6","1","1") = "5"
    & skf18("6","5","3","6","6","2","1") = "5"
    & skf18("6","5","3","6","6","3","1") = "5"
    & skf18("6","5","3","6","6","4","1") = "5"
    & skf18("6","5","3","6","6","5","1") = "5"
    & skf18("6","5","3","6","6","6","1") = "5"
    & skf18("6","5","3","6","6","7","1") = "6"
    & skf18("6","5","3","6","6","8","1") = "7"
    & skf18("6","5","3","6","6","9","1") = "8"
    & skf18("6","5","3","6","6","10","1") = "9"
    & skf18("6","5","3","6","7","1","1") = "6"
    & skf18("6","5","3","6","7","2","1") = "6"
    & skf18("6","5","3","6","7","3","1") = "6"
    & skf18("6","5","3","6","7","4","1") = "6"
    & skf18("6","5","3","6","7","5","1") = "6"
    & skf18("6","5","3","6","7","6","1") = "6"
    & skf18("6","5","3","6","7","7","1") = "6"
    & skf18("6","5","3","6","7","8","1") = "7"
    & skf18("6","5","3","6","7","9","1") = "8"
    & skf18("6","5","3","6","7","10","1") = "9"
    & skf18("6","5","3","6","8","1","1") = "7"
    & skf18("6","5","3","6","8","2","1") = "7"
    & skf18("6","5","3","6","8","3","1") = "7"
    & skf18("6","5","3","6","8","4","1") = "7"
    & skf18("6","5","3","6","8","5","1") = "7"
    & skf18("6","5","3","6","8","6","1") = "7"
    & skf18("6","5","3","6","8","7","1") = "7"
    & skf18("6","5","3","6","8","8","1") = "7"
    & skf18("6","5","3","6","8","9","1") = "8"
    & skf18("6","5","3","6","8","10","1") = "9"
    & skf18("6","5","3","6","9","1","1") = "8"
    & skf18("6","5","3","6","9","2","1") = "8"
    & skf18("6","5","3","6","9","3","1") = "8"
    & skf18("6","5","3","6","9","4","1") = "8"
    & skf18("6","5","3","6","9","5","1") = "8"
    & skf18("6","5","3","6","9","6","1") = "8"
    & skf18("6","5","3","6","9","7","1") = "8"
    & skf18("6","5","3","6","9","8","1") = "8"
    & skf18("6","5","3","6","9","9","1") = "8"
    & skf18("6","5","3","6","9","10","1") = "9"
    & skf18("6","5","3","6","10","1","1") = "9"
    & skf18("6","5","3","6","10","2","1") = "9"
    & skf18("6","5","3","6","10","3","1") = "9"
    & skf18("6","5","3","6","10","4","1") = "9"
    & skf18("6","5","3","6","10","5","1") = "9"
    & skf18("6","5","3","6","10","6","1") = "9"
    & skf18("6","5","3","6","10","7","1") = "9"
    & skf18("6","5","3","6","10","8","1") = "9"
    & skf18("6","5","3","6","10","9","1") = "9"
    & skf18("6","5","3","6","10","10","1") = "9"
    & skf18("6","5","3","7","1","1","1") = "6"
    & skf18("6","5","3","7","1","2","1") = "6"
    & skf18("6","5","3","7","1","3","1") = "6"
    & skf18("6","5","3","7","1","4","1") = "6"
    & skf18("6","5","3","7","1","5","1") = "6"
    & skf18("6","5","3","7","1","6","1") = "6"
    & skf18("6","5","3","7","1","7","1") = "6"
    & skf18("6","5","3","7","1","8","1") = "7"
    & skf18("6","5","3","7","1","9","1") = "8"
    & skf18("6","5","3","7","1","10","1") = "9"
    & skf18("6","5","3","7","2","1","1") = "6"
    & skf18("6","5","3","7","2","2","1") = "6"
    & skf18("6","5","3","7","2","3","1") = "6"
    & skf18("6","5","3","7","2","4","1") = "6"
    & skf18("6","5","3","7","2","5","1") = "6"
    & skf18("6","5","3","7","2","6","1") = "6"
    & skf18("6","5","3","7","2","7","1") = "6"
    & skf18("6","5","3","7","2","8","1") = "7"
    & skf18("6","5","3","7","2","9","1") = "8"
    & skf18("6","5","3","7","2","10","1") = "9"
    & skf18("6","5","3","7","3","1","1") = "6"
    & skf18("6","5","3","7","3","2","1") = "6"
    & skf18("6","5","3","7","3","3","1") = "6"
    & skf18("6","5","3","7","3","4","1") = "6"
    & skf18("6","5","3","7","3","5","1") = "6"
    & skf18("6","5","3","7","3","6","1") = "6"
    & skf18("6","5","3","7","3","7","1") = "6"
    & skf18("6","5","3","7","3","8","1") = "7"
    & skf18("6","5","3","7","3","9","1") = "8"
    & skf18("6","5","3","7","3","10","1") = "9"
    & skf18("6","5","3","7","4","1","1") = "6"
    & skf18("6","5","3","7","4","2","1") = "6"
    & skf18("6","5","3","7","4","3","1") = "6"
    & skf18("6","5","3","7","4","4","1") = "6"
    & skf18("6","5","3","7","4","5","1") = "6"
    & skf18("6","5","3","7","4","6","1") = "6"
    & skf18("6","5","3","7","4","7","1") = "6"
    & skf18("6","5","3","7","4","8","1") = "7"
    & skf18("6","5","3","7","4","9","1") = "8"
    & skf18("6","5","3","7","4","10","1") = "9"
    & skf18("6","5","3","7","5","1","1") = "6"
    & skf18("6","5","3","7","5","2","1") = "6"
    & skf18("6","5","3","7","5","3","1") = "6"
    & skf18("6","5","3","7","5","4","1") = "6"
    & skf18("6","5","3","7","5","5","1") = "6"
    & skf18("6","5","3","7","5","6","1") = "6"
    & skf18("6","5","3","7","5","7","1") = "6"
    & skf18("6","5","3","7","5","8","1") = "7"
    & skf18("6","5","3","7","5","9","1") = "8"
    & skf18("6","5","3","7","5","10","1") = "9"
    & skf18("6","5","3","7","6","1","1") = "6"
    & skf18("6","5","3","7","6","2","1") = "6"
    & skf18("6","5","3","7","6","3","1") = "6"
    & skf18("6","5","3","7","6","4","1") = "6"
    & skf18("6","5","3","7","6","5","1") = "6"
    & skf18("6","5","3","7","6","6","1") = "6"
    & skf18("6","5","3","7","6","7","1") = "6"
    & skf18("6","5","3","7","6","8","1") = "7"
    & skf18("6","5","3","7","6","9","1") = "8"
    & skf18("6","5","3","7","6","10","1") = "9"
    & skf18("6","5","3","7","7","1","1") = "6"
    & skf18("6","5","3","7","7","2","1") = "6"
    & skf18("6","5","3","7","7","3","1") = "6"
    & skf18("6","5","3","7","7","4","1") = "6"
    & skf18("6","5","3","7","7","5","1") = "6"
    & skf18("6","5","3","7","7","6","1") = "6"
    & skf18("6","5","3","7","7","7","1") = "6"
    & skf18("6","5","3","7","7","8","1") = "7"
    & skf18("6","5","3","7","7","9","1") = "8"
    & skf18("6","5","3","7","7","10","1") = "9"
    & skf18("6","5","3","7","8","1","1") = "7"
    & skf18("6","5","3","7","8","2","1") = "7"
    & skf18("6","5","3","7","8","3","1") = "7"
    & skf18("6","5","3","7","8","4","1") = "7"
    & skf18("6","5","3","7","8","5","1") = "7"
    & skf18("6","5","3","7","8","6","1") = "7"
    & skf18("6","5","3","7","8","7","1") = "7"
    & skf18("6","5","3","7","8","8","1") = "7"
    & skf18("6","5","3","7","8","9","1") = "8"
    & skf18("6","5","3","7","8","10","1") = "9"
    & skf18("6","5","3","7","9","1","1") = "8"
    & skf18("6","5","3","7","9","2","1") = "8"
    & skf18("6","5","3","7","9","3","1") = "8"
    & skf18("6","5","3","7","9","4","1") = "8"
    & skf18("6","5","3","7","9","5","1") = "8"
    & skf18("6","5","3","7","9","6","1") = "8"
    & skf18("6","5","3","7","9","7","1") = "8"
    & skf18("6","5","3","7","9","8","1") = "8"
    & skf18("6","5","3","7","9","9","1") = "8"
    & skf18("6","5","3","7","9","10","1") = "9"
    & skf18("6","5","3","7","10","1","1") = "9"
    & skf18("6","5","3","7","10","2","1") = "9"
    & skf18("6","5","3","7","10","3","1") = "9"
    & skf18("6","5","3","7","10","4","1") = "9"
    & skf18("6","5","3","7","10","5","1") = "9"
    & skf18("6","5","3","7","10","6","1") = "9"
    & skf18("6","5","3","7","10","7","1") = "9"
    & skf18("6","5","3","7","10","8","1") = "9"
    & skf18("6","5","3","7","10","9","1") = "9"
    & skf18("6","5","3","7","10","10","1") = "9"
    & skf18("6","5","3","8","1","1","1") = "7"
    & skf18("6","5","3","8","1","2","1") = "7"
    & skf18("6","5","3","8","1","3","1") = "7"
    & skf18("6","5","3","8","1","4","1") = "7"
    & skf18("6","5","3","8","1","5","1") = "7"
    & skf18("6","5","3","8","1","6","1") = "7"
    & skf18("6","5","3","8","1","7","1") = "7"
    & skf18("6","5","3","8","1","8","1") = "7"
    & skf18("6","5","3","8","1","9","1") = "8"
    & skf18("6","5","3","8","1","10","1") = "9"
    & skf18("6","5","3","8","2","1","1") = "7"
    & skf18("6","5","3","8","2","2","1") = "7"
    & skf18("6","5","3","8","2","3","1") = "7"
    & skf18("6","5","3","8","2","4","1") = "7"
    & skf18("6","5","3","8","2","5","1") = "7"
    & skf18("6","5","3","8","2","6","1") = "7"
    & skf18("6","5","3","8","2","7","1") = "7"
    & skf18("6","5","3","8","2","8","1") = "7"
    & skf18("6","5","3","8","2","9","1") = "8"
    & skf18("6","5","3","8","2","10","1") = "9"
    & skf18("6","5","3","8","3","1","1") = "7"
    & skf18("6","5","3","8","3","2","1") = "7"
    & skf18("6","5","3","8","3","3","1") = "7"
    & skf18("6","5","3","8","3","4","1") = "7"
    & skf18("6","5","3","8","3","5","1") = "7"
    & skf18("6","5","3","8","3","6","1") = "7"
    & skf18("6","5","3","8","3","7","1") = "7"
    & skf18("6","5","3","8","3","8","1") = "7"
    & skf18("6","5","3","8","3","9","1") = "8"
    & skf18("6","5","3","8","3","10","1") = "9"
    & skf18("6","5","3","8","4","1","1") = "7"
    & skf18("6","5","3","8","4","2","1") = "7"
    & skf18("6","5","3","8","4","3","1") = "7"
    & skf18("6","5","3","8","4","4","1") = "7"
    & skf18("6","5","3","8","4","5","1") = "7"
    & skf18("6","5","3","8","4","6","1") = "7"
    & skf18("6","5","3","8","4","7","1") = "7"
    & skf18("6","5","3","8","4","8","1") = "7"
    & skf18("6","5","3","8","4","9","1") = "8"
    & skf18("6","5","3","8","4","10","1") = "9"
    & skf18("6","5","3","8","5","1","1") = "7"
    & skf18("6","5","3","8","5","2","1") = "7"
    & skf18("6","5","3","8","5","3","1") = "7"
    & skf18("6","5","3","8","5","4","1") = "7"
    & skf18("6","5","3","8","5","5","1") = "7"
    & skf18("6","5","3","8","5","6","1") = "7"
    & skf18("6","5","3","8","5","7","1") = "7"
    & skf18("6","5","3","8","5","8","1") = "7"
    & skf18("6","5","3","8","5","9","1") = "8"
    & skf18("6","5","3","8","5","10","1") = "9"
    & skf18("6","5","3","8","6","1","1") = "7"
    & skf18("6","5","3","8","6","2","1") = "7"
    & skf18("6","5","3","8","6","3","1") = "7"
    & skf18("6","5","3","8","6","4","1") = "7"
    & skf18("6","5","3","8","6","5","1") = "7"
    & skf18("6","5","3","8","6","6","1") = "7"
    & skf18("6","5","3","8","6","7","1") = "7"
    & skf18("6","5","3","8","6","8","1") = "7"
    & skf18("6","5","3","8","6","9","1") = "8"
    & skf18("6","5","3","8","6","10","1") = "9"
    & skf18("6","5","3","8","7","1","1") = "7"
    & skf18("6","5","3","8","7","2","1") = "7"
    & skf18("6","5","3","8","7","3","1") = "7"
    & skf18("6","5","3","8","7","4","1") = "7"
    & skf18("6","5","3","8","7","5","1") = "7"
    & skf18("6","5","3","8","7","6","1") = "7"
    & skf18("6","5","3","8","7","7","1") = "7"
    & skf18("6","5","3","8","7","8","1") = "7"
    & skf18("6","5","3","8","7","9","1") = "8"
    & skf18("6","5","3","8","7","10","1") = "9"
    & skf18("6","5","3","8","8","1","1") = "7"
    & skf18("6","5","3","8","8","2","1") = "7"
    & skf18("6","5","3","8","8","3","1") = "7"
    & skf18("6","5","3","8","8","4","1") = "7"
    & skf18("6","5","3","8","8","5","1") = "7"
    & skf18("6","5","3","8","8","6","1") = "7"
    & skf18("6","5","3","8","8","7","1") = "7"
    & skf18("6","5","3","8","8","8","1") = "7"
    & skf18("6","5","3","8","8","9","1") = "8"
    & skf18("6","5","3","8","8","10","1") = "9"
    & skf18("6","5","3","8","9","1","1") = "8"
    & skf18("6","5","3","8","9","2","1") = "8"
    & skf18("6","5","3","8","9","3","1") = "8"
    & skf18("6","5","3","8","9","4","1") = "8"
    & skf18("6","5","3","8","9","5","1") = "8"
    & skf18("6","5","3","8","9","6","1") = "8"
    & skf18("6","5","3","8","9","7","1") = "8"
    & skf18("6","5","3","8","9","8","1") = "8"
    & skf18("6","5","3","8","9","9","1") = "8"
    & skf18("6","5","3","8","9","10","1") = "9"
    & skf18("6","5","3","8","10","1","1") = "9"
    & skf18("6","5","3","8","10","2","1") = "9"
    & skf18("6","5","3","8","10","3","1") = "9"
    & skf18("6","5","3","8","10","4","1") = "9"
    & skf18("6","5","3","8","10","5","1") = "9"
    & skf18("6","5","3","8","10","6","1") = "9"
    & skf18("6","5","3","8","10","7","1") = "9"
    & skf18("6","5","3","8","10","8","1") = "9"
    & skf18("6","5","3","8","10","9","1") = "9"
    & skf18("6","5","3","8","10","10","1") = "9"
    & skf18("6","5","3","9","1","1","1") = "8"
    & skf18("6","5","3","9","1","2","1") = "8"
    & skf18("6","5","3","9","1","3","1") = "8"
    & skf18("6","5","3","9","1","4","1") = "8"
    & skf18("6","5","3","9","1","5","1") = "8"
    & skf18("6","5","3","9","1","6","1") = "8"
    & skf18("6","5","3","9","1","7","1") = "8"
    & skf18("6","5","3","9","1","8","1") = "8"
    & skf18("6","5","3","9","1","9","1") = "8"
    & skf18("6","5","3","9","1","10","1") = "9"
    & skf18("6","5","3","9","2","1","1") = "8"
    & skf18("6","5","3","9","2","2","1") = "8"
    & skf18("6","5","3","9","2","3","1") = "8"
    & skf18("6","5","3","9","2","4","1") = "8"
    & skf18("6","5","3","9","2","5","1") = "8"
    & skf18("6","5","3","9","2","6","1") = "8"
    & skf18("6","5","3","9","2","7","1") = "8"
    & skf18("6","5","3","9","2","8","1") = "8"
    & skf18("6","5","3","9","2","9","1") = "8"
    & skf18("6","5","3","9","2","10","1") = "9"
    & skf18("6","5","3","9","3","1","1") = "8"
    & skf18("6","5","3","9","3","2","1") = "8"
    & skf18("6","5","3","9","3","3","1") = "8"
    & skf18("6","5","3","9","3","4","1") = "8"
    & skf18("6","5","3","9","3","5","1") = "8"
    & skf18("6","5","3","9","3","6","1") = "8"
    & skf18("6","5","3","9","3","7","1") = "8"
    & skf18("6","5","3","9","3","8","1") = "8"
    & skf18("6","5","3","9","3","9","1") = "8"
    & skf18("6","5","3","9","3","10","1") = "9"
    & skf18("6","5","3","9","4","1","1") = "8"
    & skf18("6","5","3","9","4","2","1") = "8"
    & skf18("6","5","3","9","4","3","1") = "8"
    & skf18("6","5","3","9","4","4","1") = "8"
    & skf18("6","5","3","9","4","5","1") = "8"
    & skf18("6","5","3","9","4","6","1") = "8"
    & skf18("6","5","3","9","4","7","1") = "8"
    & skf18("6","5","3","9","4","8","1") = "8"
    & skf18("6","5","3","9","4","9","1") = "8"
    & skf18("6","5","3","9","4","10","1") = "9"
    & skf18("6","5","3","9","5","1","1") = "8"
    & skf18("6","5","3","9","5","2","1") = "8"
    & skf18("6","5","3","9","5","3","1") = "8"
    & skf18("6","5","3","9","5","4","1") = "8"
    & skf18("6","5","3","9","5","5","1") = "8"
    & skf18("6","5","3","9","5","6","1") = "8"
    & skf18("6","5","3","9","5","7","1") = "8"
    & skf18("6","5","3","9","5","8","1") = "8"
    & skf18("6","5","3","9","5","9","1") = "8"
    & skf18("6","5","3","9","5","10","1") = "9"
    & skf18("6","5","3","9","6","1","1") = "8"
    & skf18("6","5","3","9","6","2","1") = "8"
    & skf18("6","5","3","9","6","3","1") = "8"
    & skf18("6","5","3","9","6","4","1") = "8"
    & skf18("6","5","3","9","6","5","1") = "8"
    & skf18("6","5","3","9","6","6","1") = "8"
    & skf18("6","5","3","9","6","7","1") = "8"
    & skf18("6","5","3","9","6","8","1") = "8"
    & skf18("6","5","3","9","6","9","1") = "8"
    & skf18("6","5","3","9","6","10","1") = "9"
    & skf18("6","5","3","9","7","1","1") = "8"
    & skf18("6","5","3","9","7","2","1") = "8"
    & skf18("6","5","3","9","7","3","1") = "8"
    & skf18("6","5","3","9","7","4","1") = "8"
    & skf18("6","5","3","9","7","5","1") = "8"
    & skf18("6","5","3","9","7","6","1") = "8"
    & skf18("6","5","3","9","7","7","1") = "8"
    & skf18("6","5","3","9","7","8","1") = "8"
    & skf18("6","5","3","9","7","9","1") = "8"
    & skf18("6","5","3","9","7","10","1") = "9"
    & skf18("6","5","3","9","8","1","1") = "8"
    & skf18("6","5","3","9","8","2","1") = "8"
    & skf18("6","5","3","9","8","3","1") = "8"
    & skf18("6","5","3","9","8","4","1") = "8"
    & skf18("6","5","3","9","8","5","1") = "8"
    & skf18("6","5","3","9","8","6","1") = "8"
    & skf18("6","5","3","9","8","7","1") = "8"
    & skf18("6","5","3","9","8","8","1") = "8"
    & skf18("6","5","3","9","8","9","1") = "8"
    & skf18("6","5","3","9","8","10","1") = "9"
    & skf18("6","5","3","9","9","1","1") = "8"
    & skf18("6","5","3","9","9","2","1") = "8"
    & skf18("6","5","3","9","9","3","1") = "8"
    & skf18("6","5","3","9","9","4","1") = "8"
    & skf18("6","5","3","9","9","5","1") = "8"
    & skf18("6","5","3","9","9","6","1") = "8"
    & skf18("6","5","3","9","9","7","1") = "8"
    & skf18("6","5","3","9","9","8","1") = "8"
    & skf18("6","5","3","9","9","9","1") = "8"
    & skf18("6","5","3","9","9","10","1") = "9"
    & skf18("6","5","3","9","10","1","1") = "9"
    & skf18("6","5","3","9","10","2","1") = "9"
    & skf18("6","5","3","9","10","3","1") = "9"
    & skf18("6","5","3","9","10","4","1") = "9"
    & skf18("6","5","3","9","10","5","1") = "9"
    & skf18("6","5","3","9","10","6","1") = "9"
    & skf18("6","5","3","9","10","7","1") = "9"
    & skf18("6","5","3","9","10","8","1") = "9"
    & skf18("6","5","3","9","10","9","1") = "9"
    & skf18("6","5","3","9","10","10","1") = "9"
    & skf18("6","5","3","10","1","1","1") = "9"
    & skf18("6","5","3","10","1","2","1") = "9"
    & skf18("6","5","3","10","1","3","1") = "9"
    & skf18("6","5","3","10","1","4","1") = "9"
    & skf18("6","5","3","10","1","5","1") = "9"
    & skf18("6","5","3","10","1","6","1") = "9"
    & skf18("6","5","3","10","1","7","1") = "9"
    & skf18("6","5","3","10","1","8","1") = "9"
    & skf18("6","5","3","10","1","9","1") = "9"
    & skf18("6","5","3","10","1","10","1") = "9"
    & skf18("6","5","3","10","2","1","1") = "9"
    & skf18("6","5","3","10","2","2","1") = "9"
    & skf18("6","5","3","10","2","3","1") = "9"
    & skf18("6","5","3","10","2","4","1") = "9"
    & skf18("6","5","3","10","2","5","1") = "9"
    & skf18("6","5","3","10","2","6","1") = "9"
    & skf18("6","5","3","10","2","7","1") = "9"
    & skf18("6","5","3","10","2","8","1") = "9"
    & skf18("6","5","3","10","2","9","1") = "9"
    & skf18("6","5","3","10","2","10","1") = "9"
    & skf18("6","5","3","10","3","1","1") = "9"
    & skf18("6","5","3","10","3","2","1") = "9"
    & skf18("6","5","3","10","3","3","1") = "9"
    & skf18("6","5","3","10","3","4","1") = "9"
    & skf18("6","5","3","10","3","5","1") = "9"
    & skf18("6","5","3","10","3","6","1") = "9"
    & skf18("6","5","3","10","3","7","1") = "9"
    & skf18("6","5","3","10","3","8","1") = "9"
    & skf18("6","5","3","10","3","9","1") = "9"
    & skf18("6","5","3","10","3","10","1") = "9"
    & skf18("6","5","3","10","4","1","1") = "9"
    & skf18("6","5","3","10","4","2","1") = "9"
    & skf18("6","5","3","10","4","3","1") = "9"
    & skf18("6","5","3","10","4","4","1") = "9"
    & skf18("6","5","3","10","4","5","1") = "9"
    & skf18("6","5","3","10","4","6","1") = "9"
    & skf18("6","5","3","10","4","7","1") = "9"
    & skf18("6","5","3","10","4","8","1") = "9"
    & skf18("6","5","3","10","4","9","1") = "9"
    & skf18("6","5","3","10","4","10","1") = "9"
    & skf18("6","5","3","10","5","1","1") = "9"
    & skf18("6","5","3","10","5","2","1") = "9"
    & skf18("6","5","3","10","5","3","1") = "9"
    & skf18("6","5","3","10","5","4","1") = "9"
    & skf18("6","5","3","10","5","5","1") = "9"
    & skf18("6","5","3","10","5","6","1") = "9"
    & skf18("6","5","3","10","5","7","1") = "9"
    & skf18("6","5","3","10","5","8","1") = "9"
    & skf18("6","5","3","10","5","9","1") = "9"
    & skf18("6","5","3","10","5","10","1") = "9"
    & skf18("6","5","3","10","6","1","1") = "9"
    & skf18("6","5","3","10","6","2","1") = "9"
    & skf18("6","5","3","10","6","3","1") = "9"
    & skf18("6","5","3","10","6","4","1") = "9"
    & skf18("6","5","3","10","6","5","1") = "9"
    & skf18("6","5","3","10","6","6","1") = "9"
    & skf18("6","5","3","10","6","7","1") = "9"
    & skf18("6","5","3","10","6","8","1") = "9"
    & skf18("6","5","3","10","6","9","1") = "9"
    & skf18("6","5","3","10","6","10","1") = "9"
    & skf18("6","5","3","10","7","1","1") = "9"
    & skf18("6","5","3","10","7","2","1") = "9"
    & skf18("6","5","3","10","7","3","1") = "9"
    & skf18("6","5","3","10","7","4","1") = "9"
    & skf18("6","5","3","10","7","5","1") = "9"
    & skf18("6","5","3","10","7","6","1") = "9"
    & skf18("6","5","3","10","7","7","1") = "9"
    & skf18("6","5","3","10","7","8","1") = "9"
    & skf18("6","5","3","10","7","9","1") = "9"
    & skf18("6","5","3","10","7","10","1") = "9"
    & skf18("6","5","3","10","8","1","1") = "9"
    & skf18("6","5","3","10","8","2","1") = "9"
    & skf18("6","5","3","10","8","3","1") = "9"
    & skf18("6","5","3","10","8","4","1") = "9"
    & skf18("6","5","3","10","8","5","1") = "9"
    & skf18("6","5","3","10","8","6","1") = "9"
    & skf18("6","5","3","10","8","7","1") = "9"
    & skf18("6","5","3","10","8","8","1") = "9"
    & skf18("6","5","3","10","8","9","1") = "9"
    & skf18("6","5","3","10","8","10","1") = "9"
    & skf18("6","5","3","10","9","1","1") = "9"
    & skf18("6","5","3","10","9","2","1") = "9"
    & skf18("6","5","3","10","9","3","1") = "9"
    & skf18("6","5","3","10","9","4","1") = "9"
    & skf18("6","5","3","10","9","5","1") = "9"
    & skf18("6","5","3","10","9","6","1") = "9"
    & skf18("6","5","3","10","9","7","1") = "9"
    & skf18("6","5","3","10","9","8","1") = "9"
    & skf18("6","5","3","10","9","9","1") = "9"
    & skf18("6","5","3","10","9","10","1") = "9"
    & skf18("6","5","3","10","10","1","1") = "9"
    & skf18("6","5","3","10","10","2","1") = "9"
    & skf18("6","5","3","10","10","3","1") = "9"
    & skf18("6","5","3","10","10","4","1") = "9"
    & skf18("6","5","3","10","10","5","1") = "9"
    & skf18("6","5","3","10","10","6","1") = "9"
    & skf18("6","5","3","10","10","7","1") = "9"
    & skf18("6","5","3","10","10","8","1") = "9"
    & skf18("6","5","3","10","10","9","1") = "9"
    & skf18("6","5","3","10","10","10","1") = "9"
    & skf18("6","5","4","1","1","1","1") = "5"
    & skf18("6","5","4","1","1","2","1") = "5"
    & skf18("6","5","4","1","1","3","1") = "5"
    & skf18("6","5","4","1","1","4","1") = "5"
    & skf18("6","5","4","1","1","5","1") = "5"
    & skf18("6","5","4","1","1","6","1") = "5"
    & skf18("6","5","4","1","1","7","1") = "6"
    & skf18("6","5","4","1","1","8","1") = "7"
    & skf18("6","5","4","1","1","9","1") = "8"
    & skf18("6","5","4","1","1","10","1") = "9"
    & skf18("6","5","4","1","2","1","1") = "5"
    & skf18("6","5","4","1","2","2","1") = "5"
    & skf18("6","5","4","1","2","3","1") = "5"
    & skf18("6","5","4","1","2","4","1") = "5"
    & skf18("6","5","4","1","2","5","1") = "5"
    & skf18("6","5","4","1","2","6","1") = "5"
    & skf18("6","5","4","1","2","7","1") = "6"
    & skf18("6","5","4","1","2","8","1") = "7"
    & skf18("6","5","4","1","2","9","1") = "8"
    & skf18("6","5","4","1","2","10","1") = "9"
    & skf18("6","5","4","1","3","1","1") = "5"
    & skf18("6","5","4","1","3","2","1") = "5"
    & skf18("6","5","4","1","3","3","1") = "5"
    & skf18("6","5","4","1","3","4","1") = "5"
    & skf18("6","5","4","1","3","5","1") = "5"
    & skf18("6","5","4","1","3","6","1") = "5"
    & skf18("6","5","4","1","3","7","1") = "6"
    & skf18("6","5","4","1","3","8","1") = "7"
    & skf18("6","5","4","1","3","9","1") = "8"
    & skf18("6","5","4","1","3","10","1") = "9"
    & skf18("6","5","4","1","4","1","1") = "5"
    & skf18("6","5","4","1","4","2","1") = "5"
    & skf18("6","5","4","1","4","3","1") = "5"
    & skf18("6","5","4","1","4","4","1") = "5"
    & skf18("6","5","4","1","4","5","1") = "5"
    & skf18("6","5","4","1","4","6","1") = "5"
    & skf18("6","5","4","1","4","7","1") = "6"
    & skf18("6","5","4","1","4","8","1") = "7"
    & skf18("6","5","4","1","4","9","1") = "8"
    & skf18("6","5","4","1","4","10","1") = "9"
    & skf18("6","5","4","1","5","1","1") = "5"
    & skf18("6","5","4","1","5","2","1") = "5"
    & skf18("6","5","4","1","5","3","1") = "5"
    & skf18("6","5","4","1","5","4","1") = "5"
    & skf18("6","5","4","1","5","5","1") = "5"
    & skf18("6","5","4","1","5","6","1") = "5"
    & skf18("6","5","4","1","5","7","1") = "6"
    & skf18("6","5","4","1","5","8","1") = "7"
    & skf18("6","5","4","1","5","9","1") = "8"
    & skf18("6","5","4","1","5","10","1") = "9"
    & skf18("6","5","4","1","6","1","1") = "5"
    & skf18("6","5","4","1","6","2","1") = "5"
    & skf18("6","5","4","1","6","3","1") = "5"
    & skf18("6","5","4","1","6","4","1") = "5"
    & skf18("6","5","4","1","6","5","1") = "5"
    & skf18("6","5","4","1","6","6","1") = "5"
    & skf18("6","5","4","1","6","7","1") = "6"
    & skf18("6","5","4","1","6","8","1") = "7"
    & skf18("6","5","4","1","6","9","1") = "8"
    & skf18("6","5","4","1","6","10","1") = "9"
    & skf18("6","5","4","1","7","1","1") = "6"
    & skf18("6","5","4","1","7","2","1") = "6"
    & skf18("6","5","4","1","7","3","1") = "6"
    & skf18("6","5","4","1","7","4","1") = "6"
    & skf18("6","5","4","1","7","5","1") = "6"
    & skf18("6","5","4","1","7","6","1") = "6"
    & skf18("6","5","4","1","7","7","1") = "6"
    & skf18("6","5","4","1","7","8","1") = "7"
    & skf18("6","5","4","1","7","9","1") = "8"
    & skf18("6","5","4","1","7","10","1") = "9"
    & skf18("6","5","4","1","8","1","1") = "7"
    & skf18("6","5","4","1","8","2","1") = "7"
    & skf18("6","5","4","1","8","3","1") = "7"
    & skf18("6","5","4","1","8","4","1") = "7"
    & skf18("6","5","4","1","8","5","1") = "7"
    & skf18("6","5","4","1","8","6","1") = "7"
    & skf18("6","5","4","1","8","7","1") = "7"
    & skf18("6","5","4","1","8","8","1") = "7"
    & skf18("6","5","4","1","8","9","1") = "8"
    & skf18("6","5","4","1","8","10","1") = "9"
    & skf18("6","5","4","1","9","1","1") = "8"
    & skf18("6","5","4","1","9","2","1") = "8"
    & skf18("6","5","4","1","9","3","1") = "8"
    & skf18("6","5","4","1","9","4","1") = "8"
    & skf18("6","5","4","1","9","5","1") = "8"
    & skf18("6","5","4","1","9","6","1") = "8"
    & skf18("6","5","4","1","9","7","1") = "8"
    & skf18("6","5","4","1","9","8","1") = "8"
    & skf18("6","5","4","1","9","9","1") = "8"
    & skf18("6","5","4","1","9","10","1") = "9"
    & skf18("6","5","4","1","10","1","1") = "9"
    & skf18("6","5","4","1","10","2","1") = "9"
    & skf18("6","5","4","1","10","3","1") = "9"
    & skf18("6","5","4","1","10","4","1") = "9"
    & skf18("6","5","4","1","10","5","1") = "9"
    & skf18("6","5","4","1","10","6","1") = "9"
    & skf18("6","5","4","1","10","7","1") = "9"
    & skf18("6","5","4","1","10","8","1") = "9"
    & skf18("6","5","4","1","10","9","1") = "9"
    & skf18("6","5","4","1","10","10","1") = "9"
    & skf18("6","5","4","2","1","1","1") = "5"
    & skf18("6","5","4","2","1","2","1") = "5"
    & skf18("6","5","4","2","1","3","1") = "5"
    & skf18("6","5","4","2","1","4","1") = "5"
    & skf18("6","5","4","2","1","5","1") = "5"
    & skf18("6","5","4","2","1","6","1") = "5"
    & skf18("6","5","4","2","1","7","1") = "6"
    & skf18("6","5","4","2","1","8","1") = "7"
    & skf18("6","5","4","2","1","9","1") = "8"
    & skf18("6","5","4","2","1","10","1") = "9"
    & skf18("6","5","4","2","2","1","1") = "5"
    & skf18("6","5","4","2","2","2","1") = "5"
    & skf18("6","5","4","2","2","3","1") = "5"
    & skf18("6","5","4","2","2","4","1") = "5"
    & skf18("6","5","4","2","2","5","1") = "5"
    & skf18("6","5","4","2","2","6","1") = "5"
    & skf18("6","5","4","2","2","7","1") = "6"
    & skf18("6","5","4","2","2","8","1") = "7"
    & skf18("6","5","4","2","2","9","1") = "8"
    & skf18("6","5","4","2","2","10","1") = "9"
    & skf18("6","5","4","2","3","1","1") = "5"
    & skf18("6","5","4","2","3","2","1") = "5"
    & skf18("6","5","4","2","3","3","1") = "5"
    & skf18("6","5","4","2","3","4","1") = "5"
    & skf18("6","5","4","2","3","5","1") = "5"
    & skf18("6","5","4","2","3","6","1") = "5"
    & skf18("6","5","4","2","3","7","1") = "6"
    & skf18("6","5","4","2","3","8","1") = "7"
    & skf18("6","5","4","2","3","9","1") = "8"
    & skf18("6","5","4","2","3","10","1") = "9"
    & skf18("6","5","4","2","4","1","1") = "5"
    & skf18("6","5","4","2","4","2","1") = "5"
    & skf18("6","5","4","2","4","3","1") = "5"
    & skf18("6","5","4","2","4","4","1") = "5"
    & skf18("6","5","4","2","4","5","1") = "5"
    & skf18("6","5","4","2","4","6","1") = "5"
    & skf18("6","5","4","2","4","7","1") = "6"
    & skf18("6","5","4","2","4","8","1") = "7"
    & skf18("6","5","4","2","4","9","1") = "8"
    & skf18("6","5","4","2","4","10","1") = "9"
    & skf18("6","5","4","2","5","1","1") = "5"
    & skf18("6","5","4","2","5","2","1") = "5"
    & skf18("6","5","4","2","5","3","1") = "5"
    & skf18("6","5","4","2","5","4","1") = "5"
    & skf18("6","5","4","2","5","5","1") = "5"
    & skf18("6","5","4","2","5","6","1") = "5"
    & skf18("6","5","4","2","5","7","1") = "6"
    & skf18("6","5","4","2","5","8","1") = "7"
    & skf18("6","5","4","2","5","9","1") = "8"
    & skf18("6","5","4","2","5","10","1") = "9"
    & skf18("6","5","4","2","6","1","1") = "5"
    & skf18("6","5","4","2","6","2","1") = "5"
    & skf18("6","5","4","2","6","3","1") = "5"
    & skf18("6","5","4","2","6","4","1") = "5"
    & skf18("6","5","4","2","6","5","1") = "5"
    & skf18("6","5","4","2","6","6","1") = "5"
    & skf18("6","5","4","2","6","7","1") = "6"
    & skf18("6","5","4","2","6","8","1") = "7"
    & skf18("6","5","4","2","6","9","1") = "8"
    & skf18("6","5","4","2","6","10","1") = "9"
    & skf18("6","5","4","2","7","1","1") = "6"
    & skf18("6","5","4","2","7","2","1") = "6"
    & skf18("6","5","4","2","7","3","1") = "6"
    & skf18("6","5","4","2","7","4","1") = "6"
    & skf18("6","5","4","2","7","5","1") = "6"
    & skf18("6","5","4","2","7","6","1") = "6"
    & skf18("6","5","4","2","7","7","1") = "6"
    & skf18("6","5","4","2","7","8","1") = "7"
    & skf18("6","5","4","2","7","9","1") = "8"
    & skf18("6","5","4","2","7","10","1") = "9"
    & skf18("6","5","4","2","8","1","1") = "7"
    & skf18("6","5","4","2","8","2","1") = "7"
    & skf18("6","5","4","2","8","3","1") = "7"
    & skf18("6","5","4","2","8","4","1") = "7"
    & skf18("6","5","4","2","8","5","1") = "7"
    & skf18("6","5","4","2","8","6","1") = "7"
    & skf18("6","5","4","2","8","7","1") = "7"
    & skf18("6","5","4","2","8","8","1") = "7"
    & skf18("6","5","4","2","8","9","1") = "8"
    & skf18("6","5","4","2","8","10","1") = "9"
    & skf18("6","5","4","2","9","1","1") = "8"
    & skf18("6","5","4","2","9","2","1") = "8"
    & skf18("6","5","4","2","9","3","1") = "8"
    & skf18("6","5","4","2","9","4","1") = "8"
    & skf18("6","5","4","2","9","5","1") = "8"
    & skf18("6","5","4","2","9","6","1") = "8"
    & skf18("6","5","4","2","9","7","1") = "8"
    & skf18("6","5","4","2","9","8","1") = "8"
    & skf18("6","5","4","2","9","9","1") = "8"
    & skf18("6","5","4","2","9","10","1") = "9"
    & skf18("6","5","4","2","10","1","1") = "9"
    & skf18("6","5","4","2","10","2","1") = "9"
    & skf18("6","5","4","2","10","3","1") = "9"
    & skf18("6","5","4","2","10","4","1") = "9"
    & skf18("6","5","4","2","10","5","1") = "9"
    & skf18("6","5","4","2","10","6","1") = "9"
    & skf18("6","5","4","2","10","7","1") = "9"
    & skf18("6","5","4","2","10","8","1") = "9"
    & skf18("6","5","4","2","10","9","1") = "9"
    & skf18("6","5","4","2","10","10","1") = "9"
    & skf18("6","5","4","3","1","1","1") = "5"
    & skf18("6","5","4","3","1","2","1") = "5"
    & skf18("6","5","4","3","1","3","1") = "5"
    & skf18("6","5","4","3","1","4","1") = "5"
    & skf18("6","5","4","3","1","5","1") = "5"
    & skf18("6","5","4","3","1","6","1") = "5"
    & skf18("6","5","4","3","1","7","1") = "6"
    & skf18("6","5","4","3","1","8","1") = "7"
    & skf18("6","5","4","3","1","9","1") = "8"
    & skf18("6","5","4","3","1","10","1") = "9"
    & skf18("6","5","4","3","2","1","1") = "5"
    & skf18("6","5","4","3","2","2","1") = "5"
    & skf18("6","5","4","3","2","3","1") = "5"
    & skf18("6","5","4","3","2","4","1") = "5"
    & skf18("6","5","4","3","2","5","1") = "5"
    & skf18("6","5","4","3","2","6","1") = "5"
    & skf18("6","5","4","3","2","7","1") = "6"
    & skf18("6","5","4","3","2","8","1") = "7"
    & skf18("6","5","4","3","2","9","1") = "8"
    & skf18("6","5","4","3","2","10","1") = "9"
    & skf18("6","5","4","3","3","1","1") = "5"
    & skf18("6","5","4","3","3","2","1") = "5"
    & skf18("6","5","4","3","3","3","1") = "5"
    & skf18("6","5","4","3","3","4","1") = "5"
    & skf18("6","5","4","3","3","5","1") = "5"
    & skf18("6","5","4","3","3","6","1") = "5"
    & skf18("6","5","4","3","3","7","1") = "6"
    & skf18("6","5","4","3","3","8","1") = "7"
    & skf18("6","5","4","3","3","9","1") = "8"
    & skf18("6","5","4","3","3","10","1") = "9"
    & skf18("6","5","4","3","4","1","1") = "5"
    & skf18("6","5","4","3","4","2","1") = "5"
    & skf18("6","5","4","3","4","3","1") = "5"
    & skf18("6","5","4","3","4","4","1") = "5"
    & skf18("6","5","4","3","4","5","1") = "5"
    & skf18("6","5","4","3","4","6","1") = "5"
    & skf18("6","5","4","3","4","7","1") = "6"
    & skf18("6","5","4","3","4","8","1") = "7"
    & skf18("6","5","4","3","4","9","1") = "8"
    & skf18("6","5","4","3","4","10","1") = "9"
    & skf18("6","5","4","3","5","1","1") = "5"
    & skf18("6","5","4","3","5","2","1") = "5"
    & skf18("6","5","4","3","5","3","1") = "5"
    & skf18("6","5","4","3","5","4","1") = "5"
    & skf18("6","5","4","3","5","5","1") = "5"
    & skf18("6","5","4","3","5","6","1") = "5"
    & skf18("6","5","4","3","5","7","1") = "6"
    & skf18("6","5","4","3","5","8","1") = "7"
    & skf18("6","5","4","3","5","9","1") = "8"
    & skf18("6","5","4","3","5","10","1") = "9"
    & skf18("6","5","4","3","6","1","1") = "5"
    & skf18("6","5","4","3","6","2","1") = "5"
    & skf18("6","5","4","3","6","3","1") = "5"
    & skf18("6","5","4","3","6","4","1") = "5"
    & skf18("6","5","4","3","6","5","1") = "5"
    & skf18("6","5","4","3","6","6","1") = "5"
    & skf18("6","5","4","3","6","7","1") = "6"
    & skf18("6","5","4","3","6","8","1") = "7"
    & skf18("6","5","4","3","6","9","1") = "8"
    & skf18("6","5","4","3","6","10","1") = "9"
    & skf18("6","5","4","3","7","1","1") = "6"
    & skf18("6","5","4","3","7","2","1") = "6"
    & skf18("6","5","4","3","7","3","1") = "6"
    & skf18("6","5","4","3","7","4","1") = "6"
    & skf18("6","5","4","3","7","5","1") = "6"
    & skf18("6","5","4","3","7","6","1") = "6"
    & skf18("6","5","4","3","7","7","1") = "6"
    & skf18("6","5","4","3","7","8","1") = "7"
    & skf18("6","5","4","3","7","9","1") = "8"
    & skf18("6","5","4","3","7","10","1") = "9"
    & skf18("6","5","4","3","8","1","1") = "7"
    & skf18("6","5","4","3","8","2","1") = "7"
    & skf18("6","5","4","3","8","3","1") = "7"
    & skf18("6","5","4","3","8","4","1") = "7"
    & skf18("6","5","4","3","8","5","1") = "7"
    & skf18("6","5","4","3","8","6","1") = "7"
    & skf18("6","5","4","3","8","7","1") = "7"
    & skf18("6","5","4","3","8","8","1") = "7"
    & skf18("6","5","4","3","8","9","1") = "8"
    & skf18("6","5","4","3","8","10","1") = "9"
    & skf18("6","5","4","3","9","1","1") = "8"
    & skf18("6","5","4","3","9","2","1") = "8"
    & skf18("6","5","4","3","9","3","1") = "8"
    & skf18("6","5","4","3","9","4","1") = "8"
    & skf18("6","5","4","3","9","5","1") = "8"
    & skf18("6","5","4","3","9","6","1") = "8"
    & skf18("6","5","4","3","9","7","1") = "8"
    & skf18("6","5","4","3","9","8","1") = "8"
    & skf18("6","5","4","3","9","9","1") = "8"
    & skf18("6","5","4","3","9","10","1") = "9"
    & skf18("6","5","4","3","10","1","1") = "9"
    & skf18("6","5","4","3","10","2","1") = "9"
    & skf18("6","5","4","3","10","3","1") = "9"
    & skf18("6","5","4","3","10","4","1") = "9"
    & skf18("6","5","4","3","10","5","1") = "9"
    & skf18("6","5","4","3","10","6","1") = "9"
    & skf18("6","5","4","3","10","7","1") = "9"
    & skf18("6","5","4","3","10","8","1") = "9"
    & skf18("6","5","4","3","10","9","1") = "9"
    & skf18("6","5","4","3","10","10","1") = "9"
    & skf18("6","5","4","4","1","1","1") = "5"
    & skf18("6","5","4","4","1","2","1") = "5"
    & skf18("6","5","4","4","1","3","1") = "5"
    & skf18("6","5","4","4","1","4","1") = "5"
    & skf18("6","5","4","4","1","5","1") = "5"
    & skf18("6","5","4","4","1","6","1") = "5"
    & skf18("6","5","4","4","1","7","1") = "6"
    & skf18("6","5","4","4","1","8","1") = "7"
    & skf18("6","5","4","4","1","9","1") = "8"
    & skf18("6","5","4","4","1","10","1") = "9"
    & skf18("6","5","4","4","2","1","1") = "5"
    & skf18("6","5","4","4","2","2","1") = "5"
    & skf18("6","5","4","4","2","3","1") = "5"
    & skf18("6","5","4","4","2","4","1") = "5"
    & skf18("6","5","4","4","2","5","1") = "5"
    & skf18("6","5","4","4","2","6","1") = "5"
    & skf18("6","5","4","4","2","7","1") = "6"
    & skf18("6","5","4","4","2","8","1") = "7"
    & skf18("6","5","4","4","2","9","1") = "8"
    & skf18("6","5","4","4","2","10","1") = "9"
    & skf18("6","5","4","4","3","1","1") = "5"
    & skf18("6","5","4","4","3","2","1") = "5"
    & skf18("6","5","4","4","3","3","1") = "5"
    & skf18("6","5","4","4","3","4","1") = "5"
    & skf18("6","5","4","4","3","5","1") = "5"
    & skf18("6","5","4","4","3","6","1") = "5"
    & skf18("6","5","4","4","3","7","1") = "6"
    & skf18("6","5","4","4","3","8","1") = "7"
    & skf18("6","5","4","4","3","9","1") = "8"
    & skf18("6","5","4","4","3","10","1") = "9"
    & skf18("6","5","4","4","4","1","1") = "5"
    & skf18("6","5","4","4","4","2","1") = "5"
    & skf18("6","5","4","4","4","3","1") = "5"
    & skf18("6","5","4","4","4","4","1") = "5"
    & skf18("6","5","4","4","4","5","1") = "5"
    & skf18("6","5","4","4","4","6","1") = "5"
    & skf18("6","5","4","4","4","7","1") = "6"
    & skf18("6","5","4","4","4","8","1") = "7"
    & skf18("6","5","4","4","4","9","1") = "8"
    & skf18("6","5","4","4","4","10","1") = "9"
    & skf18("6","5","4","4","5","1","1") = "5"
    & skf18("6","5","4","4","5","2","1") = "5"
    & skf18("6","5","4","4","5","3","1") = "5"
    & skf18("6","5","4","4","5","4","1") = "5"
    & skf18("6","5","4","4","5","5","1") = "5"
    & skf18("6","5","4","4","5","6","1") = "5"
    & skf18("6","5","4","4","5","7","1") = "6"
    & skf18("6","5","4","4","5","8","1") = "7"
    & skf18("6","5","4","4","5","9","1") = "8"
    & skf18("6","5","4","4","5","10","1") = "9"
    & skf18("6","5","4","4","6","1","1") = "5"
    & skf18("6","5","4","4","6","2","1") = "5"
    & skf18("6","5","4","4","6","3","1") = "5"
    & skf18("6","5","4","4","6","4","1") = "5"
    & skf18("6","5","4","4","6","5","1") = "5"
    & skf18("6","5","4","4","6","6","1") = "5"
    & skf18("6","5","4","4","6","7","1") = "6"
    & skf18("6","5","4","4","6","8","1") = "7"
    & skf18("6","5","4","4","6","9","1") = "8"
    & skf18("6","5","4","4","6","10","1") = "9"
    & skf18("6","5","4","4","7","1","1") = "6"
    & skf18("6","5","4","4","7","2","1") = "6"
    & skf18("6","5","4","4","7","3","1") = "6"
    & skf18("6","5","4","4","7","4","1") = "6"
    & skf18("6","5","4","4","7","5","1") = "6"
    & skf18("6","5","4","4","7","6","1") = "6"
    & skf18("6","5","4","4","7","7","1") = "6"
    & skf18("6","5","4","4","7","8","1") = "7"
    & skf18("6","5","4","4","7","9","1") = "8"
    & skf18("6","5","4","4","7","10","1") = "9"
    & skf18("6","5","4","4","8","1","1") = "7"
    & skf18("6","5","4","4","8","2","1") = "7"
    & skf18("6","5","4","4","8","3","1") = "7"
    & skf18("6","5","4","4","8","4","1") = "7"
    & skf18("6","5","4","4","8","5","1") = "7"
    & skf18("6","5","4","4","8","6","1") = "7"
    & skf18("6","5","4","4","8","7","1") = "7"
    & skf18("6","5","4","4","8","8","1") = "7"
    & skf18("6","5","4","4","8","9","1") = "8"
    & skf18("6","5","4","4","8","10","1") = "9"
    & skf18("6","5","4","4","9","1","1") = "8"
    & skf18("6","5","4","4","9","2","1") = "8"
    & skf18("6","5","4","4","9","3","1") = "8"
    & skf18("6","5","4","4","9","4","1") = "8"
    & skf18("6","5","4","4","9","5","1") = "8"
    & skf18("6","5","4","4","9","6","1") = "8"
    & skf18("6","5","4","4","9","7","1") = "8"
    & skf18("6","5","4","4","9","8","1") = "8"
    & skf18("6","5","4","4","9","9","1") = "8"
    & skf18("6","5","4","4","9","10","1") = "9"
    & skf18("6","5","4","4","10","1","1") = "9"
    & skf18("6","5","4","4","10","2","1") = "9"
    & skf18("6","5","4","4","10","3","1") = "9"
    & skf18("6","5","4","4","10","4","1") = "9"
    & skf18("6","5","4","4","10","5","1") = "9"
    & skf18("6","5","4","4","10","6","1") = "9"
    & skf18("6","5","4","4","10","7","1") = "9"
    & skf18("6","5","4","4","10","8","1") = "9"
    & skf18("6","5","4","4","10","9","1") = "9"
    & skf18("6","5","4","4","10","10","1") = "9"
    & skf18("6","5","4","5","1","1","1") = "5"
    & skf18("6","5","4","5","1","2","1") = "5"
    & skf18("6","5","4","5","1","3","1") = "5"
    & skf18("6","5","4","5","1","4","1") = "5"
    & skf18("6","5","4","5","1","5","1") = "5"
    & skf18("6","5","4","5","1","6","1") = "5"
    & skf18("6","5","4","5","1","7","1") = "6"
    & skf18("6","5","4","5","1","8","1") = "7"
    & skf18("6","5","4","5","1","9","1") = "8"
    & skf18("6","5","4","5","1","10","1") = "9"
    & skf18("6","5","4","5","2","1","1") = "5"
    & skf18("6","5","4","5","2","2","1") = "5"
    & skf18("6","5","4","5","2","3","1") = "5"
    & skf18("6","5","4","5","2","4","1") = "5"
    & skf18("6","5","4","5","2","5","1") = "5"
    & skf18("6","5","4","5","2","6","1") = "5"
    & skf18("6","5","4","5","2","7","1") = "6"
    & skf18("6","5","4","5","2","8","1") = "7"
    & skf18("6","5","4","5","2","9","1") = "8"
    & skf18("6","5","4","5","2","10","1") = "9"
    & skf18("6","5","4","5","3","1","1") = "5"
    & skf18("6","5","4","5","3","2","1") = "5"
    & skf18("6","5","4","5","3","3","1") = "5"
    & skf18("6","5","4","5","3","4","1") = "5"
    & skf18("6","5","4","5","3","5","1") = "5"
    & skf18("6","5","4","5","3","6","1") = "5"
    & skf18("6","5","4","5","3","7","1") = "6"
    & skf18("6","5","4","5","3","8","1") = "7"
    & skf18("6","5","4","5","3","9","1") = "8"
    & skf18("6","5","4","5","3","10","1") = "9"
    & skf18("6","5","4","5","4","1","1") = "5"
    & skf18("6","5","4","5","4","2","1") = "5"
    & skf18("6","5","4","5","4","3","1") = "5"
    & skf18("6","5","4","5","4","4","1") = "5"
    & skf18("6","5","4","5","4","5","1") = "5"
    & skf18("6","5","4","5","4","6","1") = "5"
    & skf18("6","5","4","5","4","7","1") = "6"
    & skf18("6","5","4","5","4","8","1") = "7"
    & skf18("6","5","4","5","4","9","1") = "8"
    & skf18("6","5","4","5","4","10","1") = "9"
    & skf18("6","5","4","5","5","1","1") = "5"
    & skf18("6","5","4","5","5","2","1") = "5"
    & skf18("6","5","4","5","5","3","1") = "5"
    & skf18("6","5","4","5","5","4","1") = "5"
    & skf18("6","5","4","5","5","5","1") = "5"
    & skf18("6","5","4","5","5","6","1") = "5"
    & skf18("6","5","4","5","5","7","1") = "6"
    & skf18("6","5","4","5","5","8","1") = "7"
    & skf18("6","5","4","5","5","9","1") = "8"
    & skf18("6","5","4","5","5","10","1") = "9"
    & skf18("6","5","4","5","6","1","1") = "5"
    & skf18("6","5","4","5","6","2","1") = "5"
    & skf18("6","5","4","5","6","3","1") = "5"
    & skf18("6","5","4","5","6","4","1") = "5"
    & skf18("6","5","4","5","6","5","1") = "5"
    & skf18("6","5","4","5","6","6","1") = "5"
    & skf18("6","5","4","5","6","7","1") = "6"
    & skf18("6","5","4","5","6","8","1") = "7"
    & skf18("6","5","4","5","6","9","1") = "8"
    & skf18("6","5","4","5","6","10","1") = "9"
    & skf18("6","5","4","5","7","1","1") = "6"
    & skf18("6","5","4","5","7","2","1") = "6"
    & skf18("6","5","4","5","7","3","1") = "6"
    & skf18("6","5","4","5","7","4","1") = "6"
    & skf18("6","5","4","5","7","5","1") = "6"
    & skf18("6","5","4","5","7","6","1") = "6"
    & skf18("6","5","4","5","7","7","1") = "6"
    & skf18("6","5","4","5","7","8","1") = "7"
    & skf18("6","5","4","5","7","9","1") = "8"
    & skf18("6","5","4","5","7","10","1") = "9"
    & skf18("6","5","4","5","8","1","1") = "7"
    & skf18("6","5","4","5","8","2","1") = "7"
    & skf18("6","5","4","5","8","3","1") = "7"
    & skf18("6","5","4","5","8","4","1") = "7"
    & skf18("6","5","4","5","8","5","1") = "7"
    & skf18("6","5","4","5","8","6","1") = "7"
    & skf18("6","5","4","5","8","7","1") = "7"
    & skf18("6","5","4","5","8","8","1") = "7"
    & skf18("6","5","4","5","8","9","1") = "8"
    & skf18("6","5","4","5","8","10","1") = "9"
    & skf18("6","5","4","5","9","1","1") = "8"
    & skf18("6","5","4","5","9","2","1") = "8"
    & skf18("6","5","4","5","9","3","1") = "8"
    & skf18("6","5","4","5","9","4","1") = "8"
    & skf18("6","5","4","5","9","5","1") = "8"
    & skf18("6","5","4","5","9","6","1") = "8"
    & skf18("6","5","4","5","9","7","1") = "8"
    & skf18("6","5","4","5","9","8","1") = "8"
    & skf18("6","5","4","5","9","9","1") = "8"
    & skf18("6","5","4","5","9","10","1") = "9"
    & skf18("6","5","4","5","10","1","1") = "9"
    & skf18("6","5","4","5","10","2","1") = "9"
    & skf18("6","5","4","5","10","3","1") = "9"
    & skf18("6","5","4","5","10","4","1") = "9"
    & skf18("6","5","4","5","10","5","1") = "9"
    & skf18("6","5","4","5","10","6","1") = "9"
    & skf18("6","5","4","5","10","7","1") = "9"
    & skf18("6","5","4","5","10","8","1") = "9"
    & skf18("6","5","4","5","10","9","1") = "9"
    & skf18("6","5","4","5","10","10","1") = "9"
    & skf18("6","5","4","6","1","1","1") = "5"
    & skf18("6","5","4","6","1","2","1") = "5"
    & skf18("6","5","4","6","1","3","1") = "5"
    & skf18("6","5","4","6","1","4","1") = "5"
    & skf18("6","5","4","6","1","5","1") = "5"
    & skf18("6","5","4","6","1","6","1") = "5"
    & skf18("6","5","4","6","1","7","1") = "6"
    & skf18("6","5","4","6","1","8","1") = "7"
    & skf18("6","5","4","6","1","9","1") = "8"
    & skf18("6","5","4","6","1","10","1") = "9"
    & skf18("6","5","4","6","2","1","1") = "5"
    & skf18("6","5","4","6","2","2","1") = "5"
    & skf18("6","5","4","6","2","3","1") = "5"
    & skf18("6","5","4","6","2","4","1") = "5"
    & skf18("6","5","4","6","2","5","1") = "5"
    & skf18("6","5","4","6","2","6","1") = "5"
    & skf18("6","5","4","6","2","7","1") = "6"
    & skf18("6","5","4","6","2","8","1") = "7"
    & skf18("6","5","4","6","2","9","1") = "8"
    & skf18("6","5","4","6","2","10","1") = "9"
    & skf18("6","5","4","6","3","1","1") = "5"
    & skf18("6","5","4","6","3","2","1") = "5"
    & skf18("6","5","4","6","3","3","1") = "5"
    & skf18("6","5","4","6","3","4","1") = "5"
    & skf18("6","5","4","6","3","5","1") = "5"
    & skf18("6","5","4","6","3","6","1") = "5"
    & skf18("6","5","4","6","3","7","1") = "6"
    & skf18("6","5","4","6","3","8","1") = "7"
    & skf18("6","5","4","6","3","9","1") = "8"
    & skf18("6","5","4","6","3","10","1") = "9"
    & skf18("6","5","4","6","4","1","1") = "5"
    & skf18("6","5","4","6","4","2","1") = "5"
    & skf18("6","5","4","6","4","3","1") = "5"
    & skf18("6","5","4","6","4","4","1") = "5"
    & skf18("6","5","4","6","4","5","1") = "5"
    & skf18("6","5","4","6","4","6","1") = "5"
    & skf18("6","5","4","6","4","7","1") = "6"
    & skf18("6","5","4","6","4","8","1") = "7"
    & skf18("6","5","4","6","4","9","1") = "8"
    & skf18("6","5","4","6","4","10","1") = "9"
    & skf18("6","5","4","6","5","1","1") = "5"
    & skf18("6","5","4","6","5","2","1") = "5"
    & skf18("6","5","4","6","5","3","1") = "5"
    & skf18("6","5","4","6","5","4","1") = "5"
    & skf18("6","5","4","6","5","5","1") = "5"
    & skf18("6","5","4","6","5","6","1") = "5"
    & skf18("6","5","4","6","5","7","1") = "6"
    & skf18("6","5","4","6","5","8","1") = "7"
    & skf18("6","5","4","6","5","9","1") = "8"
    & skf18("6","5","4","6","5","10","1") = "9"
    & skf18("6","5","4","6","6","1","1") = "5"
    & skf18("6","5","4","6","6","2","1") = "5"
    & skf18("6","5","4","6","6","3","1") = "5"
    & skf18("6","5","4","6","6","4","1") = "5"
    & skf18("6","5","4","6","6","5","1") = "5"
    & skf18("6","5","4","6","6","6","1") = "5"
    & skf18("6","5","4","6","6","7","1") = "6"
    & skf18("6","5","4","6","6","8","1") = "7"
    & skf18("6","5","4","6","6","9","1") = "8"
    & skf18("6","5","4","6","6","10","1") = "9"
    & skf18("6","5","4","6","7","1","1") = "6"
    & skf18("6","5","4","6","7","2","1") = "6"
    & skf18("6","5","4","6","7","3","1") = "6"
    & skf18("6","5","4","6","7","4","1") = "6"
    & skf18("6","5","4","6","7","5","1") = "6"
    & skf18("6","5","4","6","7","6","1") = "6"
    & skf18("6","5","4","6","7","7","1") = "6"
    & skf18("6","5","4","6","7","8","1") = "7"
    & skf18("6","5","4","6","7","9","1") = "8"
    & skf18("6","5","4","6","7","10","1") = "9"
    & skf18("6","5","4","6","8","1","1") = "7"
    & skf18("6","5","4","6","8","2","1") = "7"
    & skf18("6","5","4","6","8","3","1") = "7"
    & skf18("6","5","4","6","8","4","1") = "7"
    & skf18("6","5","4","6","8","5","1") = "7"
    & skf18("6","5","4","6","8","6","1") = "7"
    & skf18("6","5","4","6","8","7","1") = "7"
    & skf18("6","5","4","6","8","8","1") = "7"
    & skf18("6","5","4","6","8","9","1") = "8"
    & skf18("6","5","4","6","8","10","1") = "9"
    & skf18("6","5","4","6","9","1","1") = "8"
    & skf18("6","5","4","6","9","2","1") = "8"
    & skf18("6","5","4","6","9","3","1") = "8"
    & skf18("6","5","4","6","9","4","1") = "8"
    & skf18("6","5","4","6","9","5","1") = "8"
    & skf18("6","5","4","6","9","6","1") = "8"
    & skf18("6","5","4","6","9","7","1") = "8"
    & skf18("6","5","4","6","9","8","1") = "8"
    & skf18("6","5","4","6","9","9","1") = "8"
    & skf18("6","5","4","6","9","10","1") = "9"
    & skf18("6","5","4","6","10","1","1") = "9"
    & skf18("6","5","4","6","10","2","1") = "9"
    & skf18("6","5","4","6","10","3","1") = "9"
    & skf18("6","5","4","6","10","4","1") = "9"
    & skf18("6","5","4","6","10","5","1") = "9"
    & skf18("6","5","4","6","10","6","1") = "9"
    & skf18("6","5","4","6","10","7","1") = "9"
    & skf18("6","5","4","6","10","8","1") = "9"
    & skf18("6","5","4","6","10","9","1") = "9"
    & skf18("6","5","4","6","10","10","1") = "9"
    & skf18("6","5","4","7","1","1","1") = "6"
    & skf18("6","5","4","7","1","2","1") = "6"
    & skf18("6","5","4","7","1","3","1") = "6"
    & skf18("6","5","4","7","1","4","1") = "6"
    & skf18("6","5","4","7","1","5","1") = "6"
    & skf18("6","5","4","7","1","6","1") = "6"
    & skf18("6","5","4","7","1","7","1") = "6"
    & skf18("6","5","4","7","1","8","1") = "7"
    & skf18("6","5","4","7","1","9","1") = "8"
    & skf18("6","5","4","7","1","10","1") = "9"
    & skf18("6","5","4","7","2","1","1") = "6"
    & skf18("6","5","4","7","2","2","1") = "6"
    & skf18("6","5","4","7","2","3","1") = "6"
    & skf18("6","5","4","7","2","4","1") = "6"
    & skf18("6","5","4","7","2","5","1") = "6"
    & skf18("6","5","4","7","2","6","1") = "6"
    & skf18("6","5","4","7","2","7","1") = "6"
    & skf18("6","5","4","7","2","8","1") = "7"
    & skf18("6","5","4","7","2","9","1") = "8"
    & skf18("6","5","4","7","2","10","1") = "9"
    & skf18("6","5","4","7","3","1","1") = "6"
    & skf18("6","5","4","7","3","2","1") = "6"
    & skf18("6","5","4","7","3","3","1") = "6"
    & skf18("6","5","4","7","3","4","1") = "6"
    & skf18("6","5","4","7","3","5","1") = "6"
    & skf18("6","5","4","7","3","6","1") = "6"
    & skf18("6","5","4","7","3","7","1") = "6"
    & skf18("6","5","4","7","3","8","1") = "7"
    & skf18("6","5","4","7","3","9","1") = "8"
    & skf18("6","5","4","7","3","10","1") = "9"
    & skf18("6","5","4","7","4","1","1") = "6"
    & skf18("6","5","4","7","4","2","1") = "6"
    & skf18("6","5","4","7","4","3","1") = "6"
    & skf18("6","5","4","7","4","4","1") = "6"
    & skf18("6","5","4","7","4","5","1") = "6"
    & skf18("6","5","4","7","4","6","1") = "6"
    & skf18("6","5","4","7","4","7","1") = "6"
    & skf18("6","5","4","7","4","8","1") = "7"
    & skf18("6","5","4","7","4","9","1") = "8"
    & skf18("6","5","4","7","4","10","1") = "9"
    & skf18("6","5","4","7","5","1","1") = "6"
    & skf18("6","5","4","7","5","2","1") = "6"
    & skf18("6","5","4","7","5","3","1") = "6"
    & skf18("6","5","4","7","5","4","1") = "6"
    & skf18("6","5","4","7","5","5","1") = "6"
    & skf18("6","5","4","7","5","6","1") = "6"
    & skf18("6","5","4","7","5","7","1") = "6"
    & skf18("6","5","4","7","5","8","1") = "7"
    & skf18("6","5","4","7","5","9","1") = "8"
    & skf18("6","5","4","7","5","10","1") = "9"
    & skf18("6","5","4","7","6","1","1") = "6"
    & skf18("6","5","4","7","6","2","1") = "6"
    & skf18("6","5","4","7","6","3","1") = "6"
    & skf18("6","5","4","7","6","4","1") = "6"
    & skf18("6","5","4","7","6","5","1") = "6"
    & skf18("6","5","4","7","6","6","1") = "6"
    & skf18("6","5","4","7","6","7","1") = "6"
    & skf18("6","5","4","7","6","8","1") = "7"
    & skf18("6","5","4","7","6","9","1") = "8"
    & skf18("6","5","4","7","6","10","1") = "9"
    & skf18("6","5","4","7","7","1","1") = "6"
    & skf18("6","5","4","7","7","2","1") = "6"
    & skf18("6","5","4","7","7","3","1") = "6"
    & skf18("6","5","4","7","7","4","1") = "6"
    & skf18("6","5","4","7","7","5","1") = "6"
    & skf18("6","5","4","7","7","6","1") = "6"
    & skf18("6","5","4","7","7","7","1") = "6"
    & skf18("6","5","4","7","7","8","1") = "7"
    & skf18("6","5","4","7","7","9","1") = "8"
    & skf18("6","5","4","7","7","10","1") = "9"
    & skf18("6","5","4","7","8","1","1") = "7"
    & skf18("6","5","4","7","8","2","1") = "7"
    & skf18("6","5","4","7","8","3","1") = "7"
    & skf18("6","5","4","7","8","4","1") = "7"
    & skf18("6","5","4","7","8","5","1") = "7"
    & skf18("6","5","4","7","8","6","1") = "7"
    & skf18("6","5","4","7","8","7","1") = "7"
    & skf18("6","5","4","7","8","8","1") = "7"
    & skf18("6","5","4","7","8","9","1") = "8"
    & skf18("6","5","4","7","8","10","1") = "9"
    & skf18("6","5","4","7","9","1","1") = "8"
    & skf18("6","5","4","7","9","2","1") = "8"
    & skf18("6","5","4","7","9","3","1") = "8"
    & skf18("6","5","4","7","9","4","1") = "8"
    & skf18("6","5","4","7","9","5","1") = "8"
    & skf18("6","5","4","7","9","6","1") = "8"
    & skf18("6","5","4","7","9","7","1") = "8"
    & skf18("6","5","4","7","9","8","1") = "8"
    & skf18("6","5","4","7","9","9","1") = "8"
    & skf18("6","5","4","7","9","10","1") = "9"
    & skf18("6","5","4","7","10","1","1") = "9"
    & skf18("6","5","4","7","10","2","1") = "9"
    & skf18("6","5","4","7","10","3","1") = "9"
    & skf18("6","5","4","7","10","4","1") = "9"
    & skf18("6","5","4","7","10","5","1") = "9"
    & skf18("6","5","4","7","10","6","1") = "9"
    & skf18("6","5","4","7","10","7","1") = "9"
    & skf18("6","5","4","7","10","8","1") = "9"
    & skf18("6","5","4","7","10","9","1") = "9"
    & skf18("6","5","4","7","10","10","1") = "9"
    & skf18("6","5","4","8","1","1","1") = "7"
    & skf18("6","5","4","8","1","2","1") = "7"
    & skf18("6","5","4","8","1","3","1") = "7"
    & skf18("6","5","4","8","1","4","1") = "7"
    & skf18("6","5","4","8","1","5","1") = "7"
    & skf18("6","5","4","8","1","6","1") = "7"
    & skf18("6","5","4","8","1","7","1") = "7"
    & skf18("6","5","4","8","1","8","1") = "7"
    & skf18("6","5","4","8","1","9","1") = "8"
    & skf18("6","5","4","8","1","10","1") = "9"
    & skf18("6","5","4","8","2","1","1") = "7"
    & skf18("6","5","4","8","2","2","1") = "7"
    & skf18("6","5","4","8","2","3","1") = "7"
    & skf18("6","5","4","8","2","4","1") = "7"
    & skf18("6","5","4","8","2","5","1") = "7"
    & skf18("6","5","4","8","2","6","1") = "7"
    & skf18("6","5","4","8","2","7","1") = "7"
    & skf18("6","5","4","8","2","8","1") = "7"
    & skf18("6","5","4","8","2","9","1") = "8"
    & skf18("6","5","4","8","2","10","1") = "9"
    & skf18("6","5","4","8","3","1","1") = "7"
    & skf18("6","5","4","8","3","2","1") = "7"
    & skf18("6","5","4","8","3","3","1") = "7"
    & skf18("6","5","4","8","3","4","1") = "7"
    & skf18("6","5","4","8","3","5","1") = "7"
    & skf18("6","5","4","8","3","6","1") = "7"
    & skf18("6","5","4","8","3","7","1") = "7"
    & skf18("6","5","4","8","3","8","1") = "7"
    & skf18("6","5","4","8","3","9","1") = "8"
    & skf18("6","5","4","8","3","10","1") = "9"
    & skf18("6","5","4","8","4","1","1") = "7"
    & skf18("6","5","4","8","4","2","1") = "7"
    & skf18("6","5","4","8","4","3","1") = "7"
    & skf18("6","5","4","8","4","4","1") = "7"
    & skf18("6","5","4","8","4","5","1") = "7"
    & skf18("6","5","4","8","4","6","1") = "7"
    & skf18("6","5","4","8","4","7","1") = "7"
    & skf18("6","5","4","8","4","8","1") = "7"
    & skf18("6","5","4","8","4","9","1") = "8"
    & skf18("6","5","4","8","4","10","1") = "9"
    & skf18("6","5","4","8","5","1","1") = "7"
    & skf18("6","5","4","8","5","2","1") = "7"
    & skf18("6","5","4","8","5","3","1") = "7"
    & skf18("6","5","4","8","5","4","1") = "7"
    & skf18("6","5","4","8","5","5","1") = "7"
    & skf18("6","5","4","8","5","6","1") = "7"
    & skf18("6","5","4","8","5","7","1") = "7"
    & skf18("6","5","4","8","5","8","1") = "7"
    & skf18("6","5","4","8","5","9","1") = "8"
    & skf18("6","5","4","8","5","10","1") = "9"
    & skf18("6","5","4","8","6","1","1") = "7"
    & skf18("6","5","4","8","6","2","1") = "7"
    & skf18("6","5","4","8","6","3","1") = "7"
    & skf18("6","5","4","8","6","4","1") = "7"
    & skf18("6","5","4","8","6","5","1") = "7"
    & skf18("6","5","4","8","6","6","1") = "7"
    & skf18("6","5","4","8","6","7","1") = "7"
    & skf18("6","5","4","8","6","8","1") = "7"
    & skf18("6","5","4","8","6","9","1") = "8"
    & skf18("6","5","4","8","6","10","1") = "9"
    & skf18("6","5","4","8","7","1","1") = "7"
    & skf18("6","5","4","8","7","2","1") = "7"
    & skf18("6","5","4","8","7","3","1") = "7"
    & skf18("6","5","4","8","7","4","1") = "7"
    & skf18("6","5","4","8","7","5","1") = "7"
    & skf18("6","5","4","8","7","6","1") = "7"
    & skf18("6","5","4","8","7","7","1") = "7"
    & skf18("6","5","4","8","7","8","1") = "7"
    & skf18("6","5","4","8","7","9","1") = "8"
    & skf18("6","5","4","8","7","10","1") = "9"
    & skf18("6","5","4","8","8","1","1") = "7"
    & skf18("6","5","4","8","8","2","1") = "7"
    & skf18("6","5","4","8","8","3","1") = "7"
    & skf18("6","5","4","8","8","4","1") = "7"
    & skf18("6","5","4","8","8","5","1") = "7"
    & skf18("6","5","4","8","8","6","1") = "7"
    & skf18("6","5","4","8","8","7","1") = "7"
    & skf18("6","5","4","8","8","8","1") = "7"
    & skf18("6","5","4","8","8","9","1") = "8"
    & skf18("6","5","4","8","8","10","1") = "9"
    & skf18("6","5","4","8","9","1","1") = "8"
    & skf18("6","5","4","8","9","2","1") = "8"
    & skf18("6","5","4","8","9","3","1") = "8"
    & skf18("6","5","4","8","9","4","1") = "8"
    & skf18("6","5","4","8","9","5","1") = "8"
    & skf18("6","5","4","8","9","6","1") = "8"
    & skf18("6","5","4","8","9","7","1") = "8"
    & skf18("6","5","4","8","9","8","1") = "8"
    & skf18("6","5","4","8","9","9","1") = "8"
    & skf18("6","5","4","8","9","10","1") = "9"
    & skf18("6","5","4","8","10","1","1") = "9"
    & skf18("6","5","4","8","10","2","1") = "9"
    & skf18("6","5","4","8","10","3","1") = "9"
    & skf18("6","5","4","8","10","4","1") = "9"
    & skf18("6","5","4","8","10","5","1") = "9"
    & skf18("6","5","4","8","10","6","1") = "9"
    & skf18("6","5","4","8","10","7","1") = "9"
    & skf18("6","5","4","8","10","8","1") = "9"
    & skf18("6","5","4","8","10","9","1") = "9"
    & skf18("6","5","4","8","10","10","1") = "9"
    & skf18("6","5","4","9","1","1","1") = "8"
    & skf18("6","5","4","9","1","2","1") = "8"
    & skf18("6","5","4","9","1","3","1") = "8"
    & skf18("6","5","4","9","1","4","1") = "8"
    & skf18("6","5","4","9","1","5","1") = "8"
    & skf18("6","5","4","9","1","6","1") = "8"
    & skf18("6","5","4","9","1","7","1") = "8"
    & skf18("6","5","4","9","1","8","1") = "8"
    & skf18("6","5","4","9","1","9","1") = "8"
    & skf18("6","5","4","9","1","10","1") = "9"
    & skf18("6","5","4","9","2","1","1") = "8"
    & skf18("6","5","4","9","2","2","1") = "8"
    & skf18("6","5","4","9","2","3","1") = "8"
    & skf18("6","5","4","9","2","4","1") = "8"
    & skf18("6","5","4","9","2","5","1") = "8"
    & skf18("6","5","4","9","2","6","1") = "8"
    & skf18("6","5","4","9","2","7","1") = "8"
    & skf18("6","5","4","9","2","8","1") = "8"
    & skf18("6","5","4","9","2","9","1") = "8"
    & skf18("6","5","4","9","2","10","1") = "9"
    & skf18("6","5","4","9","3","1","1") = "8"
    & skf18("6","5","4","9","3","2","1") = "8"
    & skf18("6","5","4","9","3","3","1") = "8"
    & skf18("6","5","4","9","3","4","1") = "8"
    & skf18("6","5","4","9","3","5","1") = "8"
    & skf18("6","5","4","9","3","6","1") = "8"
    & skf18("6","5","4","9","3","7","1") = "8"
    & skf18("6","5","4","9","3","8","1") = "8"
    & skf18("6","5","4","9","3","9","1") = "8"
    & skf18("6","5","4","9","3","10","1") = "9"
    & skf18("6","5","4","9","4","1","1") = "8"
    & skf18("6","5","4","9","4","2","1") = "8"
    & skf18("6","5","4","9","4","3","1") = "8"
    & skf18("6","5","4","9","4","4","1") = "8"
    & skf18("6","5","4","9","4","5","1") = "8"
    & skf18("6","5","4","9","4","6","1") = "8"
    & skf18("6","5","4","9","4","7","1") = "8"
    & skf18("6","5","4","9","4","8","1") = "8"
    & skf18("6","5","4","9","4","9","1") = "8"
    & skf18("6","5","4","9","4","10","1") = "9"
    & skf18("6","5","4","9","5","1","1") = "8"
    & skf18("6","5","4","9","5","2","1") = "8"
    & skf18("6","5","4","9","5","3","1") = "8"
    & skf18("6","5","4","9","5","4","1") = "8"
    & skf18("6","5","4","9","5","5","1") = "8"
    & skf18("6","5","4","9","5","6","1") = "8"
    & skf18("6","5","4","9","5","7","1") = "8"
    & skf18("6","5","4","9","5","8","1") = "8"
    & skf18("6","5","4","9","5","9","1") = "8"
    & skf18("6","5","4","9","5","10","1") = "9"
    & skf18("6","5","4","9","6","1","1") = "8"
    & skf18("6","5","4","9","6","2","1") = "8"
    & skf18("6","5","4","9","6","3","1") = "8"
    & skf18("6","5","4","9","6","4","1") = "8"
    & skf18("6","5","4","9","6","5","1") = "8"
    & skf18("6","5","4","9","6","6","1") = "8"
    & skf18("6","5","4","9","6","7","1") = "8"
    & skf18("6","5","4","9","6","8","1") = "8"
    & skf18("6","5","4","9","6","9","1") = "8"
    & skf18("6","5","4","9","6","10","1") = "9"
    & skf18("6","5","4","9","7","1","1") = "8"
    & skf18("6","5","4","9","7","2","1") = "8"
    & skf18("6","5","4","9","7","3","1") = "8"
    & skf18("6","5","4","9","7","4","1") = "8"
    & skf18("6","5","4","9","7","5","1") = "8"
    & skf18("6","5","4","9","7","6","1") = "8"
    & skf18("6","5","4","9","7","7","1") = "8"
    & skf18("6","5","4","9","7","8","1") = "8"
    & skf18("6","5","4","9","7","9","1") = "8"
    & skf18("6","5","4","9","7","10","1") = "9"
    & skf18("6","5","4","9","8","1","1") = "8"
    & skf18("6","5","4","9","8","2","1") = "8"
    & skf18("6","5","4","9","8","3","1") = "8"
    & skf18("6","5","4","9","8","4","1") = "8"
    & skf18("6","5","4","9","8","5","1") = "8"
    & skf18("6","5","4","9","8","6","1") = "8"
    & skf18("6","5","4","9","8","7","1") = "8"
    & skf18("6","5","4","9","8","8","1") = "8"
    & skf18("6","5","4","9","8","9","1") = "8"
    & skf18("6","5","4","9","8","10","1") = "9"
    & skf18("6","5","4","9","9","1","1") = "8"
    & skf18("6","5","4","9","9","2","1") = "8"
    & skf18("6","5","4","9","9","3","1") = "8"
    & skf18("6","5","4","9","9","4","1") = "8"
    & skf18("6","5","4","9","9","5","1") = "8"
    & skf18("6","5","4","9","9","6","1") = "8"
    & skf18("6","5","4","9","9","7","1") = "8"
    & skf18("6","5","4","9","9","8","1") = "8"
    & skf18("6","5","4","9","9","9","1") = "8"
    & skf18("6","5","4","9","9","10","1") = "9"
    & skf18("6","5","4","9","10","1","1") = "9"
    & skf18("6","5","4","9","10","2","1") = "9"
    & skf18("6","5","4","9","10","3","1") = "9"
    & skf18("6","5","4","9","10","4","1") = "9"
    & skf18("6","5","4","9","10","5","1") = "9"
    & skf18("6","5","4","9","10","6","1") = "9"
    & skf18("6","5","4","9","10","7","1") = "9"
    & skf18("6","5","4","9","10","8","1") = "9"
    & skf18("6","5","4","9","10","9","1") = "9"
    & skf18("6","5","4","9","10","10","1") = "9"
    & skf18("6","5","4","10","1","1","1") = "9"
    & skf18("6","5","4","10","1","2","1") = "9"
    & skf18("6","5","4","10","1","3","1") = "9"
    & skf18("6","5","4","10","1","4","1") = "9"
    & skf18("6","5","4","10","1","5","1") = "9"
    & skf18("6","5","4","10","1","6","1") = "9"
    & skf18("6","5","4","10","1","7","1") = "9"
    & skf18("6","5","4","10","1","8","1") = "9"
    & skf18("6","5","4","10","1","9","1") = "9"
    & skf18("6","5","4","10","1","10","1") = "9"
    & skf18("6","5","4","10","2","1","1") = "9"
    & skf18("6","5","4","10","2","2","1") = "9"
    & skf18("6","5","4","10","2","3","1") = "9"
    & skf18("6","5","4","10","2","4","1") = "9"
    & skf18("6","5","4","10","2","5","1") = "9"
    & skf18("6","5","4","10","2","6","1") = "9"
    & skf18("6","5","4","10","2","7","1") = "9"
    & skf18("6","5","4","10","2","8","1") = "9"
    & skf18("6","5","4","10","2","9","1") = "9"
    & skf18("6","5","4","10","2","10","1") = "9"
    & skf18("6","5","4","10","3","1","1") = "9"
    & skf18("6","5","4","10","3","2","1") = "9"
    & skf18("6","5","4","10","3","3","1") = "9"
    & skf18("6","5","4","10","3","4","1") = "9"
    & skf18("6","5","4","10","3","5","1") = "9"
    & skf18("6","5","4","10","3","6","1") = "9"
    & skf18("6","5","4","10","3","7","1") = "9"
    & skf18("6","5","4","10","3","8","1") = "9"
    & skf18("6","5","4","10","3","9","1") = "9"
    & skf18("6","5","4","10","3","10","1") = "9"
    & skf18("6","5","4","10","4","1","1") = "9"
    & skf18("6","5","4","10","4","2","1") = "9"
    & skf18("6","5","4","10","4","3","1") = "9"
    & skf18("6","5","4","10","4","4","1") = "9"
    & skf18("6","5","4","10","4","5","1") = "9"
    & skf18("6","5","4","10","4","6","1") = "9"
    & skf18("6","5","4","10","4","7","1") = "9"
    & skf18("6","5","4","10","4","8","1") = "9"
    & skf18("6","5","4","10","4","9","1") = "9"
    & skf18("6","5","4","10","4","10","1") = "9"
    & skf18("6","5","4","10","5","1","1") = "9"
    & skf18("6","5","4","10","5","2","1") = "9"
    & skf18("6","5","4","10","5","3","1") = "9"
    & skf18("6","5","4","10","5","4","1") = "9"
    & skf18("6","5","4","10","5","5","1") = "9"
    & skf18("6","5","4","10","5","6","1") = "9"
    & skf18("6","5","4","10","5","7","1") = "9"
    & skf18("6","5","4","10","5","8","1") = "9"
    & skf18("6","5","4","10","5","9","1") = "9"
    & skf18("6","5","4","10","5","10","1") = "9"
    & skf18("6","5","4","10","6","1","1") = "9"
    & skf18("6","5","4","10","6","2","1") = "9"
    & skf18("6","5","4","10","6","3","1") = "9"
    & skf18("6","5","4","10","6","4","1") = "9"
    & skf18("6","5","4","10","6","5","1") = "9"
    & skf18("6","5","4","10","6","6","1") = "9"
    & skf18("6","5","4","10","6","7","1") = "9"
    & skf18("6","5","4","10","6","8","1") = "9"
    & skf18("6","5","4","10","6","9","1") = "9"
    & skf18("6","5","4","10","6","10","1") = "9"
    & skf18("6","5","4","10","7","1","1") = "9"
    & skf18("6","5","4","10","7","2","1") = "9"
    & skf18("6","5","4","10","7","3","1") = "9"
    & skf18("6","5","4","10","7","4","1") = "9"
    & skf18("6","5","4","10","7","5","1") = "9"
    & skf18("6","5","4","10","7","6","1") = "9"
    & skf18("6","5","4","10","7","7","1") = "9"
    & skf18("6","5","4","10","7","8","1") = "9"
    & skf18("6","5","4","10","7","9","1") = "9"
    & skf18("6","5","4","10","7","10","1") = "9"
    & skf18("6","5","4","10","8","1","1") = "9"
    & skf18("6","5","4","10","8","2","1") = "9"
    & skf18("6","5","4","10","8","3","1") = "9"
    & skf18("6","5","4","10","8","4","1") = "9"
    & skf18("6","5","4","10","8","5","1") = "9"
    & skf18("6","5","4","10","8","6","1") = "9"
    & skf18("6","5","4","10","8","7","1") = "9"
    & skf18("6","5","4","10","8","8","1") = "9"
    & skf18("6","5","4","10","8","9","1") = "9"
    & skf18("6","5","4","10","8","10","1") = "9"
    & skf18("6","5","4","10","9","1","1") = "9"
    & skf18("6","5","4","10","9","2","1") = "9"
    & skf18("6","5","4","10","9","3","1") = "9"
    & skf18("6","5","4","10","9","4","1") = "9"
    & skf18("6","5","4","10","9","5","1") = "9"
    & skf18("6","5","4","10","9","6","1") = "9"
    & skf18("6","5","4","10","9","7","1") = "9"
    & skf18("6","5","4","10","9","8","1") = "9"
    & skf18("6","5","4","10","9","9","1") = "9"
    & skf18("6","5","4","10","9","10","1") = "9"
    & skf18("6","5","4","10","10","1","1") = "9"
    & skf18("6","5","4","10","10","2","1") = "9"
    & skf18("6","5","4","10","10","3","1") = "9"
    & skf18("6","5","4","10","10","4","1") = "9"
    & skf18("6","5","4","10","10","5","1") = "9"
    & skf18("6","5","4","10","10","6","1") = "9"
    & skf18("6","5","4","10","10","7","1") = "9"
    & skf18("6","5","4","10","10","8","1") = "9"
    & skf18("6","5","4","10","10","9","1") = "9"
    & skf18("6","5","4","10","10","10","1") = "9"
    & skf18("6","5","5","1","1","1","1") = "5"
    & skf18("6","5","5","1","1","2","1") = "5"
    & skf18("6","5","5","1","1","3","1") = "5"
    & skf18("6","5","5","1","1","4","1") = "5"
    & skf18("6","5","5","1","1","5","1") = "5"
    & skf18("6","5","5","1","1","6","1") = "5"
    & skf18("6","5","5","1","1","7","1") = "6"
    & skf18("6","5","5","1","1","8","1") = "7"
    & skf18("6","5","5","1","1","9","1") = "8"
    & skf18("6","5","5","1","1","10","1") = "9"
    & skf18("6","5","5","1","2","1","1") = "5"
    & skf18("6","5","5","1","2","2","1") = "5"
    & skf18("6","5","5","1","2","3","1") = "5"
    & skf18("6","5","5","1","2","4","1") = "5"
    & skf18("6","5","5","1","2","5","1") = "5"
    & skf18("6","5","5","1","2","6","1") = "5"
    & skf18("6","5","5","1","2","7","1") = "6"
    & skf18("6","5","5","1","2","8","1") = "7"
    & skf18("6","5","5","1","2","9","1") = "8"
    & skf18("6","5","5","1","2","10","1") = "9"
    & skf18("6","5","5","1","3","1","1") = "5"
    & skf18("6","5","5","1","3","2","1") = "5"
    & skf18("6","5","5","1","3","3","1") = "5"
    & skf18("6","5","5","1","3","4","1") = "5"
    & skf18("6","5","5","1","3","5","1") = "5"
    & skf18("6","5","5","1","3","6","1") = "5"
    & skf18("6","5","5","1","3","7","1") = "6"
    & skf18("6","5","5","1","3","8","1") = "7"
    & skf18("6","5","5","1","3","9","1") = "8"
    & skf18("6","5","5","1","3","10","1") = "9"
    & skf18("6","5","5","1","4","1","1") = "5"
    & skf18("6","5","5","1","4","2","1") = "5"
    & skf18("6","5","5","1","4","3","1") = "5"
    & skf18("6","5","5","1","4","4","1") = "5"
    & skf18("6","5","5","1","4","5","1") = "5"
    & skf18("6","5","5","1","4","6","1") = "5"
    & skf18("6","5","5","1","4","7","1") = "6"
    & skf18("6","5","5","1","4","8","1") = "7"
    & skf18("6","5","5","1","4","9","1") = "8"
    & skf18("6","5","5","1","4","10","1") = "9"
    & skf18("6","5","5","1","5","1","1") = "5"
    & skf18("6","5","5","1","5","2","1") = "5"
    & skf18("6","5","5","1","5","3","1") = "5"
    & skf18("6","5","5","1","5","4","1") = "5"
    & skf18("6","5","5","1","5","5","1") = "5"
    & skf18("6","5","5","1","5","6","1") = "5"
    & skf18("6","5","5","1","5","7","1") = "6"
    & skf18("6","5","5","1","5","8","1") = "7"
    & skf18("6","5","5","1","5","9","1") = "8"
    & skf18("6","5","5","1","5","10","1") = "9"
    & skf18("6","5","5","1","6","1","1") = "5"
    & skf18("6","5","5","1","6","2","1") = "5"
    & skf18("6","5","5","1","6","3","1") = "5"
    & skf18("6","5","5","1","6","4","1") = "5"
    & skf18("6","5","5","1","6","5","1") = "5"
    & skf18("6","5","5","1","6","6","1") = "5"
    & skf18("6","5","5","1","6","7","1") = "6"
    & skf18("6","5","5","1","6","8","1") = "7"
    & skf18("6","5","5","1","6","9","1") = "8"
    & skf18("6","5","5","1","6","10","1") = "9"
    & skf18("6","5","5","1","7","1","1") = "6"
    & skf18("6","5","5","1","7","2","1") = "6"
    & skf18("6","5","5","1","7","3","1") = "6"
    & skf18("6","5","5","1","7","4","1") = "6"
    & skf18("6","5","5","1","7","5","1") = "6"
    & skf18("6","5","5","1","7","6","1") = "6"
    & skf18("6","5","5","1","7","7","1") = "6"
    & skf18("6","5","5","1","7","8","1") = "7"
    & skf18("6","5","5","1","7","9","1") = "8"
    & skf18("6","5","5","1","7","10","1") = "9"
    & skf18("6","5","5","1","8","1","1") = "7"
    & skf18("6","5","5","1","8","2","1") = "7"
    & skf18("6","5","5","1","8","3","1") = "7"
    & skf18("6","5","5","1","8","4","1") = "7"
    & skf18("6","5","5","1","8","5","1") = "7"
    & skf18("6","5","5","1","8","6","1") = "7"
    & skf18("6","5","5","1","8","7","1") = "7"
    & skf18("6","5","5","1","8","8","1") = "7"
    & skf18("6","5","5","1","8","9","1") = "8"
    & skf18("6","5","5","1","8","10","1") = "9"
    & skf18("6","5","5","1","9","1","1") = "8"
    & skf18("6","5","5","1","9","2","1") = "8"
    & skf18("6","5","5","1","9","3","1") = "8"
    & skf18("6","5","5","1","9","4","1") = "8"
    & skf18("6","5","5","1","9","5","1") = "8"
    & skf18("6","5","5","1","9","6","1") = "8"
    & skf18("6","5","5","1","9","7","1") = "8"
    & skf18("6","5","5","1","9","8","1") = "8"
    & skf18("6","5","5","1","9","9","1") = "8"
    & skf18("6","5","5","1","9","10","1") = "9"
    & skf18("6","5","5","1","10","1","1") = "9"
    & skf18("6","5","5","1","10","2","1") = "9"
    & skf18("6","5","5","1","10","3","1") = "9"
    & skf18("6","5","5","1","10","4","1") = "9"
    & skf18("6","5","5","1","10","5","1") = "9"
    & skf18("6","5","5","1","10","6","1") = "9"
    & skf18("6","5","5","1","10","7","1") = "9"
    & skf18("6","5","5","1","10","8","1") = "9"
    & skf18("6","5","5","1","10","9","1") = "9"
    & skf18("6","5","5","1","10","10","1") = "9"
    & skf18("6","5","5","2","1","1","1") = "5"
    & skf18("6","5","5","2","1","2","1") = "5"
    & skf18("6","5","5","2","1","3","1") = "5"
    & skf18("6","5","5","2","1","4","1") = "5"
    & skf18("6","5","5","2","1","5","1") = "5"
    & skf18("6","5","5","2","1","6","1") = "5"
    & skf18("6","5","5","2","1","7","1") = "6"
    & skf18("6","5","5","2","1","8","1") = "7"
    & skf18("6","5","5","2","1","9","1") = "8"
    & skf18("6","5","5","2","1","10","1") = "9"
    & skf18("6","5","5","2","2","1","1") = "5"
    & skf18("6","5","5","2","2","2","1") = "5"
    & skf18("6","5","5","2","2","3","1") = "5"
    & skf18("6","5","5","2","2","4","1") = "5"
    & skf18("6","5","5","2","2","5","1") = "5"
    & skf18("6","5","5","2","2","6","1") = "5"
    & skf18("6","5","5","2","2","7","1") = "6"
    & skf18("6","5","5","2","2","8","1") = "7"
    & skf18("6","5","5","2","2","9","1") = "8"
    & skf18("6","5","5","2","2","10","1") = "9"
    & skf18("6","5","5","2","3","1","1") = "5"
    & skf18("6","5","5","2","3","2","1") = "5"
    & skf18("6","5","5","2","3","3","1") = "5"
    & skf18("6","5","5","2","3","4","1") = "5"
    & skf18("6","5","5","2","3","5","1") = "5"
    & skf18("6","5","5","2","3","6","1") = "5"
    & skf18("6","5","5","2","3","7","1") = "6"
    & skf18("6","5","5","2","3","8","1") = "7"
    & skf18("6","5","5","2","3","9","1") = "8"
    & skf18("6","5","5","2","3","10","1") = "9"
    & skf18("6","5","5","2","4","1","1") = "5"
    & skf18("6","5","5","2","4","2","1") = "5"
    & skf18("6","5","5","2","4","3","1") = "5"
    & skf18("6","5","5","2","4","4","1") = "5"
    & skf18("6","5","5","2","4","5","1") = "5"
    & skf18("6","5","5","2","4","6","1") = "5"
    & skf18("6","5","5","2","4","7","1") = "6"
    & skf18("6","5","5","2","4","8","1") = "7"
    & skf18("6","5","5","2","4","9","1") = "8"
    & skf18("6","5","5","2","4","10","1") = "9"
    & skf18("6","5","5","2","5","1","1") = "5"
    & skf18("6","5","5","2","5","2","1") = "5"
    & skf18("6","5","5","2","5","3","1") = "5"
    & skf18("6","5","5","2","5","4","1") = "5"
    & skf18("6","5","5","2","5","5","1") = "5"
    & skf18("6","5","5","2","5","6","1") = "5"
    & skf18("6","5","5","2","5","7","1") = "6"
    & skf18("6","5","5","2","5","8","1") = "7"
    & skf18("6","5","5","2","5","9","1") = "8"
    & skf18("6","5","5","2","5","10","1") = "9"
    & skf18("6","5","5","2","6","1","1") = "5"
    & skf18("6","5","5","2","6","2","1") = "5"
    & skf18("6","5","5","2","6","3","1") = "5"
    & skf18("6","5","5","2","6","4","1") = "5"
    & skf18("6","5","5","2","6","5","1") = "5"
    & skf18("6","5","5","2","6","6","1") = "5"
    & skf18("6","5","5","2","6","7","1") = "6"
    & skf18("6","5","5","2","6","8","1") = "7"
    & skf18("6","5","5","2","6","9","1") = "8"
    & skf18("6","5","5","2","6","10","1") = "9"
    & skf18("6","5","5","2","7","1","1") = "6"
    & skf18("6","5","5","2","7","2","1") = "6"
    & skf18("6","5","5","2","7","3","1") = "6"
    & skf18("6","5","5","2","7","4","1") = "6"
    & skf18("6","5","5","2","7","5","1") = "6"
    & skf18("6","5","5","2","7","6","1") = "6"
    & skf18("6","5","5","2","7","7","1") = "6"
    & skf18("6","5","5","2","7","8","1") = "7"
    & skf18("6","5","5","2","7","9","1") = "8"
    & skf18("6","5","5","2","7","10","1") = "9"
    & skf18("6","5","5","2","8","1","1") = "7"
    & skf18("6","5","5","2","8","2","1") = "7"
    & skf18("6","5","5","2","8","3","1") = "7"
    & skf18("6","5","5","2","8","4","1") = "7"
    & skf18("6","5","5","2","8","5","1") = "7"
    & skf18("6","5","5","2","8","6","1") = "7"
    & skf18("6","5","5","2","8","7","1") = "7"
    & skf18("6","5","5","2","8","8","1") = "7"
    & skf18("6","5","5","2","8","9","1") = "8"
    & skf18("6","5","5","2","8","10","1") = "9"
    & skf18("6","5","5","2","9","1","1") = "8"
    & skf18("6","5","5","2","9","2","1") = "8"
    & skf18("6","5","5","2","9","3","1") = "8"
    & skf18("6","5","5","2","9","4","1") = "8"
    & skf18("6","5","5","2","9","5","1") = "8"
    & skf18("6","5","5","2","9","6","1") = "8"
    & skf18("6","5","5","2","9","7","1") = "8"
    & skf18("6","5","5","2","9","8","1") = "8"
    & skf18("6","5","5","2","9","9","1") = "8"
    & skf18("6","5","5","2","9","10","1") = "9"
    & skf18("6","5","5","2","10","1","1") = "9"
    & skf18("6","5","5","2","10","2","1") = "9"
    & skf18("6","5","5","2","10","3","1") = "9"
    & skf18("6","5","5","2","10","4","1") = "9"
    & skf18("6","5","5","2","10","5","1") = "9"
    & skf18("6","5","5","2","10","6","1") = "9"
    & skf18("6","5","5","2","10","7","1") = "9"
    & skf18("6","5","5","2","10","8","1") = "9"
    & skf18("6","5","5","2","10","9","1") = "9"
    & skf18("6","5","5","2","10","10","1") = "9"
    & skf18("6","5","5","3","1","1","1") = "5"
    & skf18("6","5","5","3","1","2","1") = "5"
    & skf18("6","5","5","3","1","3","1") = "5"
    & skf18("6","5","5","3","1","4","1") = "5"
    & skf18("6","5","5","3","1","5","1") = "5"
    & skf18("6","5","5","3","1","6","1") = "5"
    & skf18("6","5","5","3","1","7","1") = "6"
    & skf18("6","5","5","3","1","8","1") = "7"
    & skf18("6","5","5","3","1","9","1") = "8"
    & skf18("6","5","5","3","1","10","1") = "9"
    & skf18("6","5","5","3","2","1","1") = "5"
    & skf18("6","5","5","3","2","2","1") = "5"
    & skf18("6","5","5","3","2","3","1") = "5"
    & skf18("6","5","5","3","2","4","1") = "5"
    & skf18("6","5","5","3","2","5","1") = "5"
    & skf18("6","5","5","3","2","6","1") = "5"
    & skf18("6","5","5","3","2","7","1") = "6"
    & skf18("6","5","5","3","2","8","1") = "7"
    & skf18("6","5","5","3","2","9","1") = "8"
    & skf18("6","5","5","3","2","10","1") = "9"
    & skf18("6","5","5","3","3","1","1") = "5"
    & skf18("6","5","5","3","3","2","1") = "5"
    & skf18("6","5","5","3","3","3","1") = "5"
    & skf18("6","5","5","3","3","4","1") = "5"
    & skf18("6","5","5","3","3","5","1") = "5"
    & skf18("6","5","5","3","3","6","1") = "5"
    & skf18("6","5","5","3","3","7","1") = "6"
    & skf18("6","5","5","3","3","8","1") = "7"
    & skf18("6","5","5","3","3","9","1") = "8"
    & skf18("6","5","5","3","3","10","1") = "9"
    & skf18("6","5","5","3","4","1","1") = "5"
    & skf18("6","5","5","3","4","2","1") = "5"
    & skf18("6","5","5","3","4","3","1") = "5"
    & skf18("6","5","5","3","4","4","1") = "5"
    & skf18("6","5","5","3","4","5","1") = "5"
    & skf18("6","5","5","3","4","6","1") = "5"
    & skf18("6","5","5","3","4","7","1") = "6"
    & skf18("6","5","5","3","4","8","1") = "7"
    & skf18("6","5","5","3","4","9","1") = "8"
    & skf18("6","5","5","3","4","10","1") = "9"
    & skf18("6","5","5","3","5","1","1") = "5"
    & skf18("6","5","5","3","5","2","1") = "5"
    & skf18("6","5","5","3","5","3","1") = "5"
    & skf18("6","5","5","3","5","4","1") = "5"
    & skf18("6","5","5","3","5","5","1") = "5"
    & skf18("6","5","5","3","5","6","1") = "5"
    & skf18("6","5","5","3","5","7","1") = "6"
    & skf18("6","5","5","3","5","8","1") = "7"
    & skf18("6","5","5","3","5","9","1") = "8"
    & skf18("6","5","5","3","5","10","1") = "9"
    & skf18("6","5","5","3","6","1","1") = "5"
    & skf18("6","5","5","3","6","2","1") = "5"
    & skf18("6","5","5","3","6","3","1") = "5"
    & skf18("6","5","5","3","6","4","1") = "5"
    & skf18("6","5","5","3","6","5","1") = "5"
    & skf18("6","5","5","3","6","6","1") = "5"
    & skf18("6","5","5","3","6","7","1") = "6"
    & skf18("6","5","5","3","6","8","1") = "7"
    & skf18("6","5","5","3","6","9","1") = "8"
    & skf18("6","5","5","3","6","10","1") = "9"
    & skf18("6","5","5","3","7","1","1") = "6"
    & skf18("6","5","5","3","7","2","1") = "6"
    & skf18("6","5","5","3","7","3","1") = "6"
    & skf18("6","5","5","3","7","4","1") = "6"
    & skf18("6","5","5","3","7","5","1") = "6"
    & skf18("6","5","5","3","7","6","1") = "6"
    & skf18("6","5","5","3","7","7","1") = "6"
    & skf18("6","5","5","3","7","8","1") = "7"
    & skf18("6","5","5","3","7","9","1") = "8"
    & skf18("6","5","5","3","7","10","1") = "9"
    & skf18("6","5","5","3","8","1","1") = "7"
    & skf18("6","5","5","3","8","2","1") = "7"
    & skf18("6","5","5","3","8","3","1") = "7"
    & skf18("6","5","5","3","8","4","1") = "7"
    & skf18("6","5","5","3","8","5","1") = "7"
    & skf18("6","5","5","3","8","6","1") = "7"
    & skf18("6","5","5","3","8","7","1") = "7"
    & skf18("6","5","5","3","8","8","1") = "7"
    & skf18("6","5","5","3","8","9","1") = "8"
    & skf18("6","5","5","3","8","10","1") = "9"
    & skf18("6","5","5","3","9","1","1") = "8"
    & skf18("6","5","5","3","9","2","1") = "8"
    & skf18("6","5","5","3","9","3","1") = "8"
    & skf18("6","5","5","3","9","4","1") = "8"
    & skf18("6","5","5","3","9","5","1") = "8"
    & skf18("6","5","5","3","9","6","1") = "8"
    & skf18("6","5","5","3","9","7","1") = "8"
    & skf18("6","5","5","3","9","8","1") = "8"
    & skf18("6","5","5","3","9","9","1") = "8"
    & skf18("6","5","5","3","9","10","1") = "9"
    & skf18("6","5","5","3","10","1","1") = "9"
    & skf18("6","5","5","3","10","2","1") = "9"
    & skf18("6","5","5","3","10","3","1") = "9"
    & skf18("6","5","5","3","10","4","1") = "9"
    & skf18("6","5","5","3","10","5","1") = "9"
    & skf18("6","5","5","3","10","6","1") = "9"
    & skf18("6","5","5","3","10","7","1") = "9"
    & skf18("6","5","5","3","10","8","1") = "9"
    & skf18("6","5","5","3","10","9","1") = "9"
    & skf18("6","5","5","3","10","10","1") = "9"
    & skf18("6","5","5","4","1","1","1") = "5"
    & skf18("6","5","5","4","1","2","1") = "5"
    & skf18("6","5","5","4","1","3","1") = "5"
    & skf18("6","5","5","4","1","4","1") = "5"
    & skf18("6","5","5","4","1","5","1") = "5"
    & skf18("6","5","5","4","1","6","1") = "5"
    & skf18("6","5","5","4","1","7","1") = "6"
    & skf18("6","5","5","4","1","8","1") = "7"
    & skf18("6","5","5","4","1","9","1") = "8"
    & skf18("6","5","5","4","1","10","1") = "9"
    & skf18("6","5","5","4","2","1","1") = "5"
    & skf18("6","5","5","4","2","2","1") = "5"
    & skf18("6","5","5","4","2","3","1") = "5"
    & skf18("6","5","5","4","2","4","1") = "5"
    & skf18("6","5","5","4","2","5","1") = "5"
    & skf18("6","5","5","4","2","6","1") = "5"
    & skf18("6","5","5","4","2","7","1") = "6"
    & skf18("6","5","5","4","2","8","1") = "7"
    & skf18("6","5","5","4","2","9","1") = "8"
    & skf18("6","5","5","4","2","10","1") = "9"
    & skf18("6","5","5","4","3","1","1") = "5"
    & skf18("6","5","5","4","3","2","1") = "5"
    & skf18("6","5","5","4","3","3","1") = "5"
    & skf18("6","5","5","4","3","4","1") = "5"
    & skf18("6","5","5","4","3","5","1") = "5"
    & skf18("6","5","5","4","3","6","1") = "5"
    & skf18("6","5","5","4","3","7","1") = "6"
    & skf18("6","5","5","4","3","8","1") = "7"
    & skf18("6","5","5","4","3","9","1") = "8"
    & skf18("6","5","5","4","3","10","1") = "9"
    & skf18("6","5","5","4","4","1","1") = "5"
    & skf18("6","5","5","4","4","2","1") = "5"
    & skf18("6","5","5","4","4","3","1") = "5"
    & skf18("6","5","5","4","4","4","1") = "5"
    & skf18("6","5","5","4","4","5","1") = "5"
    & skf18("6","5","5","4","4","6","1") = "5"
    & skf18("6","5","5","4","4","7","1") = "6"
    & skf18("6","5","5","4","4","8","1") = "7"
    & skf18("6","5","5","4","4","9","1") = "8"
    & skf18("6","5","5","4","4","10","1") = "9"
    & skf18("6","5","5","4","5","1","1") = "5"
    & skf18("6","5","5","4","5","2","1") = "5"
    & skf18("6","5","5","4","5","3","1") = "5"
    & skf18("6","5","5","4","5","4","1") = "5"
    & skf18("6","5","5","4","5","5","1") = "5"
    & skf18("6","5","5","4","5","6","1") = "5"
    & skf18("6","5","5","4","5","7","1") = "6"
    & skf18("6","5","5","4","5","8","1") = "7"
    & skf18("6","5","5","4","5","9","1") = "8"
    & skf18("6","5","5","4","5","10","1") = "9"
    & skf18("6","5","5","4","6","1","1") = "5"
    & skf18("6","5","5","4","6","2","1") = "5"
    & skf18("6","5","5","4","6","3","1") = "5"
    & skf18("6","5","5","4","6","4","1") = "5"
    & skf18("6","5","5","4","6","5","1") = "5"
    & skf18("6","5","5","4","6","6","1") = "5"
    & skf18("6","5","5","4","6","7","1") = "6"
    & skf18("6","5","5","4","6","8","1") = "7"
    & skf18("6","5","5","4","6","9","1") = "8"
    & skf18("6","5","5","4","6","10","1") = "9"
    & skf18("6","5","5","4","7","1","1") = "6"
    & skf18("6","5","5","4","7","2","1") = "6"
    & skf18("6","5","5","4","7","3","1") = "6"
    & skf18("6","5","5","4","7","4","1") = "6"
    & skf18("6","5","5","4","7","5","1") = "6"
    & skf18("6","5","5","4","7","6","1") = "6"
    & skf18("6","5","5","4","7","7","1") = "6"
    & skf18("6","5","5","4","7","8","1") = "7"
    & skf18("6","5","5","4","7","9","1") = "8"
    & skf18("6","5","5","4","7","10","1") = "9"
    & skf18("6","5","5","4","8","1","1") = "7"
    & skf18("6","5","5","4","8","2","1") = "7"
    & skf18("6","5","5","4","8","3","1") = "7"
    & skf18("6","5","5","4","8","4","1") = "7"
    & skf18("6","5","5","4","8","5","1") = "7"
    & skf18("6","5","5","4","8","6","1") = "7"
    & skf18("6","5","5","4","8","7","1") = "7"
    & skf18("6","5","5","4","8","8","1") = "7"
    & skf18("6","5","5","4","8","9","1") = "8"
    & skf18("6","5","5","4","8","10","1") = "9"
    & skf18("6","5","5","4","9","1","1") = "8"
    & skf18("6","5","5","4","9","2","1") = "8"
    & skf18("6","5","5","4","9","3","1") = "8"
    & skf18("6","5","5","4","9","4","1") = "8"
    & skf18("6","5","5","4","9","5","1") = "8"
    & skf18("6","5","5","4","9","6","1") = "8"
    & skf18("6","5","5","4","9","7","1") = "8"
    & skf18("6","5","5","4","9","8","1") = "8"
    & skf18("6","5","5","4","9","9","1") = "8"
    & skf18("6","5","5","4","9","10","1") = "9"
    & skf18("6","5","5","4","10","1","1") = "9"
    & skf18("6","5","5","4","10","2","1") = "9"
    & skf18("6","5","5","4","10","3","1") = "9"
    & skf18("6","5","5","4","10","4","1") = "9"
    & skf18("6","5","5","4","10","5","1") = "9"
    & skf18("6","5","5","4","10","6","1") = "9"
    & skf18("6","5","5","4","10","7","1") = "9"
    & skf18("6","5","5","4","10","8","1") = "9"
    & skf18("6","5","5","4","10","9","1") = "9"
    & skf18("6","5","5","4","10","10","1") = "9"
    & skf18("6","5","5","5","1","1","1") = "5"
    & skf18("6","5","5","5","1","2","1") = "5"
    & skf18("6","5","5","5","1","3","1") = "5"
    & skf18("6","5","5","5","1","4","1") = "5"
    & skf18("6","5","5","5","1","5","1") = "5"
    & skf18("6","5","5","5","1","6","1") = "5"
    & skf18("6","5","5","5","1","7","1") = "6"
    & skf18("6","5","5","5","1","8","1") = "7"
    & skf18("6","5","5","5","1","9","1") = "8"
    & skf18("6","5","5","5","1","10","1") = "9"
    & skf18("6","5","5","5","2","1","1") = "5"
    & skf18("6","5","5","5","2","2","1") = "5"
    & skf18("6","5","5","5","2","3","1") = "5"
    & skf18("6","5","5","5","2","4","1") = "5"
    & skf18("6","5","5","5","2","5","1") = "5"
    & skf18("6","5","5","5","2","6","1") = "5"
    & skf18("6","5","5","5","2","7","1") = "6"
    & skf18("6","5","5","5","2","8","1") = "7"
    & skf18("6","5","5","5","2","9","1") = "8"
    & skf18("6","5","5","5","2","10","1") = "9"
    & skf18("6","5","5","5","3","1","1") = "5"
    & skf18("6","5","5","5","3","2","1") = "5"
    & skf18("6","5","5","5","3","3","1") = "5"
    & skf18("6","5","5","5","3","4","1") = "5"
    & skf18("6","5","5","5","3","5","1") = "5"
    & skf18("6","5","5","5","3","6","1") = "5"
    & skf18("6","5","5","5","3","7","1") = "6"
    & skf18("6","5","5","5","3","8","1") = "7"
    & skf18("6","5","5","5","3","9","1") = "8"
    & skf18("6","5","5","5","3","10","1") = "9"
    & skf18("6","5","5","5","4","1","1") = "5"
    & skf18("6","5","5","5","4","2","1") = "5"
    & skf18("6","5","5","5","4","3","1") = "5"
    & skf18("6","5","5","5","4","4","1") = "5"
    & skf18("6","5","5","5","4","5","1") = "5"
    & skf18("6","5","5","5","4","6","1") = "5"
    & skf18("6","5","5","5","4","7","1") = "6"
    & skf18("6","5","5","5","4","8","1") = "7"
    & skf18("6","5","5","5","4","9","1") = "8"
    & skf18("6","5","5","5","4","10","1") = "9"
    & skf18("6","5","5","5","5","1","1") = "5"
    & skf18("6","5","5","5","5","2","1") = "5"
    & skf18("6","5","5","5","5","3","1") = "5"
    & skf18("6","5","5","5","5","4","1") = "5"
    & skf18("6","5","5","5","5","5","1") = "5"
    & skf18("6","5","5","5","5","6","1") = "5"
    & skf18("6","5","5","5","5","7","1") = "6"
    & skf18("6","5","5","5","5","8","1") = "7"
    & skf18("6","5","5","5","5","9","1") = "8"
    & skf18("6","5","5","5","5","10","1") = "9"
    & skf18("6","5","5","5","6","1","1") = "5"
    & skf18("6","5","5","5","6","2","1") = "5"
    & skf18("6","5","5","5","6","3","1") = "5"
    & skf18("6","5","5","5","6","4","1") = "5"
    & skf18("6","5","5","5","6","5","1") = "5"
    & skf18("6","5","5","5","6","6","1") = "5"
    & skf18("6","5","5","5","6","7","1") = "6"
    & skf18("6","5","5","5","6","8","1") = "7"
    & skf18("6","5","5","5","6","9","1") = "8"
    & skf18("6","5","5","5","6","10","1") = "9"
    & skf18("6","5","5","5","7","1","1") = "6"
    & skf18("6","5","5","5","7","2","1") = "6"
    & skf18("6","5","5","5","7","3","1") = "6"
    & skf18("6","5","5","5","7","4","1") = "6"
    & skf18("6","5","5","5","7","5","1") = "6"
    & skf18("6","5","5","5","7","6","1") = "6"
    & skf18("6","5","5","5","7","7","1") = "6"
    & skf18("6","5","5","5","7","8","1") = "7"
    & skf18("6","5","5","5","7","9","1") = "8"
    & skf18("6","5","5","5","7","10","1") = "9"
    & skf18("6","5","5","5","8","1","1") = "7"
    & skf18("6","5","5","5","8","2","1") = "7"
    & skf18("6","5","5","5","8","3","1") = "7"
    & skf18("6","5","5","5","8","4","1") = "7"
    & skf18("6","5","5","5","8","5","1") = "7"
    & skf18("6","5","5","5","8","6","1") = "7"
    & skf18("6","5","5","5","8","7","1") = "7"
    & skf18("6","5","5","5","8","8","1") = "7"
    & skf18("6","5","5","5","8","9","1") = "8"
    & skf18("6","5","5","5","8","10","1") = "9"
    & skf18("6","5","5","5","9","1","1") = "8"
    & skf18("6","5","5","5","9","2","1") = "8"
    & skf18("6","5","5","5","9","3","1") = "8"
    & skf18("6","5","5","5","9","4","1") = "8"
    & skf18("6","5","5","5","9","5","1") = "8"
    & skf18("6","5","5","5","9","6","1") = "8"
    & skf18("6","5","5","5","9","7","1") = "8"
    & skf18("6","5","5","5","9","8","1") = "8"
    & skf18("6","5","5","5","9","9","1") = "8"
    & skf18("6","5","5","5","9","10","1") = "9"
    & skf18("6","5","5","5","10","1","1") = "9"
    & skf18("6","5","5","5","10","2","1") = "9"
    & skf18("6","5","5","5","10","3","1") = "9"
    & skf18("6","5","5","5","10","4","1") = "9"
    & skf18("6","5","5","5","10","5","1") = "9"
    & skf18("6","5","5","5","10","6","1") = "9"
    & skf18("6","5","5","5","10","7","1") = "9"
    & skf18("6","5","5","5","10","8","1") = "9"
    & skf18("6","5","5","5","10","9","1") = "9"
    & skf18("6","5","5","5","10","10","1") = "9"
    & skf18("6","5","5","6","1","1","1") = "5"
    & skf18("6","5","5","6","1","2","1") = "5"
    & skf18("6","5","5","6","1","3","1") = "5"
    & skf18("6","5","5","6","1","4","1") = "5"
    & skf18("6","5","5","6","1","5","1") = "5"
    & skf18("6","5","5","6","1","6","1") = "5"
    & skf18("6","5","5","6","1","7","1") = "6"
    & skf18("6","5","5","6","1","8","1") = "7"
    & skf18("6","5","5","6","1","9","1") = "8"
    & skf18("6","5","5","6","1","10","1") = "9"
    & skf18("6","5","5","6","2","1","1") = "5"
    & skf18("6","5","5","6","2","2","1") = "5"
    & skf18("6","5","5","6","2","3","1") = "5"
    & skf18("6","5","5","6","2","4","1") = "5"
    & skf18("6","5","5","6","2","5","1") = "5"
    & skf18("6","5","5","6","2","6","1") = "5"
    & skf18("6","5","5","6","2","7","1") = "6"
    & skf18("6","5","5","6","2","8","1") = "7"
    & skf18("6","5","5","6","2","9","1") = "8"
    & skf18("6","5","5","6","2","10","1") = "9"
    & skf18("6","5","5","6","3","1","1") = "5"
    & skf18("6","5","5","6","3","2","1") = "5"
    & skf18("6","5","5","6","3","3","1") = "5"
    & skf18("6","5","5","6","3","4","1") = "5"
    & skf18("6","5","5","6","3","5","1") = "5"
    & skf18("6","5","5","6","3","6","1") = "5"
    & skf18("6","5","5","6","3","7","1") = "6"
    & skf18("6","5","5","6","3","8","1") = "7"
    & skf18("6","5","5","6","3","9","1") = "8"
    & skf18("6","5","5","6","3","10","1") = "9"
    & skf18("6","5","5","6","4","1","1") = "5"
    & skf18("6","5","5","6","4","2","1") = "5"
    & skf18("6","5","5","6","4","3","1") = "5"
    & skf18("6","5","5","6","4","4","1") = "5"
    & skf18("6","5","5","6","4","5","1") = "5"
    & skf18("6","5","5","6","4","6","1") = "5"
    & skf18("6","5","5","6","4","7","1") = "6"
    & skf18("6","5","5","6","4","8","1") = "7"
    & skf18("6","5","5","6","4","9","1") = "8"
    & skf18("6","5","5","6","4","10","1") = "9"
    & skf18("6","5","5","6","5","1","1") = "5"
    & skf18("6","5","5","6","5","2","1") = "5"
    & skf18("6","5","5","6","5","3","1") = "5"
    & skf18("6","5","5","6","5","4","1") = "5"
    & skf18("6","5","5","6","5","5","1") = "5"
    & skf18("6","5","5","6","5","6","1") = "5"
    & skf18("6","5","5","6","5","7","1") = "6"
    & skf18("6","5","5","6","5","8","1") = "7"
    & skf18("6","5","5","6","5","9","1") = "8"
    & skf18("6","5","5","6","5","10","1") = "9"
    & skf18("6","5","5","6","6","1","1") = "5"
    & skf18("6","5","5","6","6","2","1") = "5"
    & skf18("6","5","5","6","6","3","1") = "5"
    & skf18("6","5","5","6","6","4","1") = "5"
    & skf18("6","5","5","6","6","5","1") = "5"
    & skf18("6","5","5","6","6","6","1") = "5"
    & skf18("6","5","5","6","6","7","1") = "6"
    & skf18("6","5","5","6","6","8","1") = "7"
    & skf18("6","5","5","6","6","9","1") = "8"
    & skf18("6","5","5","6","6","10","1") = "9"
    & skf18("6","5","5","6","7","1","1") = "6"
    & skf18("6","5","5","6","7","2","1") = "6"
    & skf18("6","5","5","6","7","3","1") = "6"
    & skf18("6","5","5","6","7","4","1") = "6"
    & skf18("6","5","5","6","7","5","1") = "6"
    & skf18("6","5","5","6","7","6","1") = "6"
    & skf18("6","5","5","6","7","7","1") = "6"
    & skf18("6","5","5","6","7","8","1") = "7"
    & skf18("6","5","5","6","7","9","1") = "8"
    & skf18("6","5","5","6","7","10","1") = "9"
    & skf18("6","5","5","6","8","1","1") = "7"
    & skf18("6","5","5","6","8","2","1") = "7"
    & skf18("6","5","5","6","8","3","1") = "7"
    & skf18("6","5","5","6","8","4","1") = "7"
    & skf18("6","5","5","6","8","5","1") = "7"
    & skf18("6","5","5","6","8","6","1") = "7"
    & skf18("6","5","5","6","8","7","1") = "7"
    & skf18("6","5","5","6","8","8","1") = "7"
    & skf18("6","5","5","6","8","9","1") = "8"
    & skf18("6","5","5","6","8","10","1") = "9"
    & skf18("6","5","5","6","9","1","1") = "8"
    & skf18("6","5","5","6","9","2","1") = "8"
    & skf18("6","5","5","6","9","3","1") = "8"
    & skf18("6","5","5","6","9","4","1") = "8"
    & skf18("6","5","5","6","9","5","1") = "8"
    & skf18("6","5","5","6","9","6","1") = "8"
    & skf18("6","5","5","6","9","7","1") = "8"
    & skf18("6","5","5","6","9","8","1") = "8"
    & skf18("6","5","5","6","9","9","1") = "8"
    & skf18("6","5","5","6","9","10","1") = "9"
    & skf18("6","5","5","6","10","1","1") = "9"
    & skf18("6","5","5","6","10","2","1") = "9"
    & skf18("6","5","5","6","10","3","1") = "9"
    & skf18("6","5","5","6","10","4","1") = "9"
    & skf18("6","5","5","6","10","5","1") = "9"
    & skf18("6","5","5","6","10","6","1") = "9"
    & skf18("6","5","5","6","10","7","1") = "9"
    & skf18("6","5","5","6","10","8","1") = "9"
    & skf18("6","5","5","6","10","9","1") = "9"
    & skf18("6","5","5","6","10","10","1") = "9"
    & skf18("6","5","5","7","1","1","1") = "6"
    & skf18("6","5","5","7","1","2","1") = "6"
    & skf18("6","5","5","7","1","3","1") = "6"
    & skf18("6","5","5","7","1","4","1") = "6"
    & skf18("6","5","5","7","1","5","1") = "6"
    & skf18("6","5","5","7","1","6","1") = "6"
    & skf18("6","5","5","7","1","7","1") = "6"
    & skf18("6","5","5","7","1","8","1") = "7"
    & skf18("6","5","5","7","1","9","1") = "8"
    & skf18("6","5","5","7","1","10","1") = "9"
    & skf18("6","5","5","7","2","1","1") = "6"
    & skf18("6","5","5","7","2","2","1") = "6"
    & skf18("6","5","5","7","2","3","1") = "6"
    & skf18("6","5","5","7","2","4","1") = "6"
    & skf18("6","5","5","7","2","5","1") = "6"
    & skf18("6","5","5","7","2","6","1") = "6"
    & skf18("6","5","5","7","2","7","1") = "6"
    & skf18("6","5","5","7","2","8","1") = "7"
    & skf18("6","5","5","7","2","9","1") = "8"
    & skf18("6","5","5","7","2","10","1") = "9"
    & skf18("6","5","5","7","3","1","1") = "6"
    & skf18("6","5","5","7","3","2","1") = "6"
    & skf18("6","5","5","7","3","3","1") = "6"
    & skf18("6","5","5","7","3","4","1") = "6"
    & skf18("6","5","5","7","3","5","1") = "6"
    & skf18("6","5","5","7","3","6","1") = "6"
    & skf18("6","5","5","7","3","7","1") = "6"
    & skf18("6","5","5","7","3","8","1") = "7"
    & skf18("6","5","5","7","3","9","1") = "8"
    & skf18("6","5","5","7","3","10","1") = "9"
    & skf18("6","5","5","7","4","1","1") = "6"
    & skf18("6","5","5","7","4","2","1") = "6"
    & skf18("6","5","5","7","4","3","1") = "6"
    & skf18("6","5","5","7","4","4","1") = "6"
    & skf18("6","5","5","7","4","5","1") = "6"
    & skf18("6","5","5","7","4","6","1") = "6"
    & skf18("6","5","5","7","4","7","1") = "6"
    & skf18("6","5","5","7","4","8","1") = "7"
    & skf18("6","5","5","7","4","9","1") = "8"
    & skf18("6","5","5","7","4","10","1") = "9"
    & skf18("6","5","5","7","5","1","1") = "6"
    & skf18("6","5","5","7","5","2","1") = "6"
    & skf18("6","5","5","7","5","3","1") = "6"
    & skf18("6","5","5","7","5","4","1") = "6"
    & skf18("6","5","5","7","5","5","1") = "6"
    & skf18("6","5","5","7","5","6","1") = "6"
    & skf18("6","5","5","7","5","7","1") = "6"
    & skf18("6","5","5","7","5","8","1") = "7"
    & skf18("6","5","5","7","5","9","1") = "8"
    & skf18("6","5","5","7","5","10","1") = "9"
    & skf18("6","5","5","7","6","1","1") = "6"
    & skf18("6","5","5","7","6","2","1") = "6"
    & skf18("6","5","5","7","6","3","1") = "6"
    & skf18("6","5","5","7","6","4","1") = "6"
    & skf18("6","5","5","7","6","5","1") = "6"
    & skf18("6","5","5","7","6","6","1") = "6"
    & skf18("6","5","5","7","6","7","1") = "6"
    & skf18("6","5","5","7","6","8","1") = "7"
    & skf18("6","5","5","7","6","9","1") = "8"
    & skf18("6","5","5","7","6","10","1") = "9"
    & skf18("6","5","5","7","7","1","1") = "6"
    & skf18("6","5","5","7","7","2","1") = "6"
    & skf18("6","5","5","7","7","3","1") = "6"
    & skf18("6","5","5","7","7","4","1") = "6"
    & skf18("6","5","5","7","7","5","1") = "6"
    & skf18("6","5","5","7","7","6","1") = "6"
    & skf18("6","5","5","7","7","7","1") = "6"
    & skf18("6","5","5","7","7","8","1") = "7"
    & skf18("6","5","5","7","7","9","1") = "8"
    & skf18("6","5","5","7","7","10","1") = "9"
    & skf18("6","5","5","7","8","1","1") = "7"
    & skf18("6","5","5","7","8","2","1") = "7"
    & skf18("6","5","5","7","8","3","1") = "7"
    & skf18("6","5","5","7","8","4","1") = "7"
    & skf18("6","5","5","7","8","5","1") = "7"
    & skf18("6","5","5","7","8","6","1") = "7"
    & skf18("6","5","5","7","8","7","1") = "7"
    & skf18("6","5","5","7","8","8","1") = "7"
    & skf18("6","5","5","7","8","9","1") = "8"
    & skf18("6","5","5","7","8","10","1") = "9"
    & skf18("6","5","5","7","9","1","1") = "8"
    & skf18("6","5","5","7","9","2","1") = "8"
    & skf18("6","5","5","7","9","3","1") = "8"
    & skf18("6","5","5","7","9","4","1") = "8"
    & skf18("6","5","5","7","9","5","1") = "8"
    & skf18("6","5","5","7","9","6","1") = "8"
    & skf18("6","5","5","7","9","7","1") = "8"
    & skf18("6","5","5","7","9","8","1") = "8"
    & skf18("6","5","5","7","9","9","1") = "8"
    & skf18("6","5","5","7","9","10","1") = "9"
    & skf18("6","5","5","7","10","1","1") = "9"
    & skf18("6","5","5","7","10","2","1") = "9"
    & skf18("6","5","5","7","10","3","1") = "9"
    & skf18("6","5","5","7","10","4","1") = "9"
    & skf18("6","5","5","7","10","5","1") = "9"
    & skf18("6","5","5","7","10","6","1") = "9"
    & skf18("6","5","5","7","10","7","1") = "9"
    & skf18("6","5","5","7","10","8","1") = "9"
    & skf18("6","5","5","7","10","9","1") = "9"
    & skf18("6","5","5","7","10","10","1") = "9"
    & skf18("6","5","5","8","1","1","1") = "7"
    & skf18("6","5","5","8","1","2","1") = "7"
    & skf18("6","5","5","8","1","3","1") = "7"
    & skf18("6","5","5","8","1","4","1") = "7"
    & skf18("6","5","5","8","1","5","1") = "7"
    & skf18("6","5","5","8","1","6","1") = "7"
    & skf18("6","5","5","8","1","7","1") = "7"
    & skf18("6","5","5","8","1","8","1") = "7"
    & skf18("6","5","5","8","1","9","1") = "8"
    & skf18("6","5","5","8","1","10","1") = "9"
    & skf18("6","5","5","8","2","1","1") = "7"
    & skf18("6","5","5","8","2","2","1") = "7"
    & skf18("6","5","5","8","2","3","1") = "7"
    & skf18("6","5","5","8","2","4","1") = "7"
    & skf18("6","5","5","8","2","5","1") = "7"
    & skf18("6","5","5","8","2","6","1") = "7"
    & skf18("6","5","5","8","2","7","1") = "7"
    & skf18("6","5","5","8","2","8","1") = "7"
    & skf18("6","5","5","8","2","9","1") = "8"
    & skf18("6","5","5","8","2","10","1") = "9"
    & skf18("6","5","5","8","3","1","1") = "7"
    & skf18("6","5","5","8","3","2","1") = "7"
    & skf18("6","5","5","8","3","3","1") = "7"
    & skf18("6","5","5","8","3","4","1") = "7"
    & skf18("6","5","5","8","3","5","1") = "7"
    & skf18("6","5","5","8","3","6","1") = "7"
    & skf18("6","5","5","8","3","7","1") = "7"
    & skf18("6","5","5","8","3","8","1") = "7"
    & skf18("6","5","5","8","3","9","1") = "8"
    & skf18("6","5","5","8","3","10","1") = "9"
    & skf18("6","5","5","8","4","1","1") = "7"
    & skf18("6","5","5","8","4","2","1") = "7"
    & skf18("6","5","5","8","4","3","1") = "7"
    & skf18("6","5","5","8","4","4","1") = "7"
    & skf18("6","5","5","8","4","5","1") = "7"
    & skf18("6","5","5","8","4","6","1") = "7"
    & skf18("6","5","5","8","4","7","1") = "7"
    & skf18("6","5","5","8","4","8","1") = "7"
    & skf18("6","5","5","8","4","9","1") = "8"
    & skf18("6","5","5","8","4","10","1") = "9"
    & skf18("6","5","5","8","5","1","1") = "7"
    & skf18("6","5","5","8","5","2","1") = "7"
    & skf18("6","5","5","8","5","3","1") = "7"
    & skf18("6","5","5","8","5","4","1") = "7"
    & skf18("6","5","5","8","5","5","1") = "7"
    & skf18("6","5","5","8","5","6","1") = "7"
    & skf18("6","5","5","8","5","7","1") = "7"
    & skf18("6","5","5","8","5","8","1") = "7"
    & skf18("6","5","5","8","5","9","1") = "8"
    & skf18("6","5","5","8","5","10","1") = "9"
    & skf18("6","5","5","8","6","1","1") = "7"
    & skf18("6","5","5","8","6","2","1") = "7"
    & skf18("6","5","5","8","6","3","1") = "7"
    & skf18("6","5","5","8","6","4","1") = "7"
    & skf18("6","5","5","8","6","5","1") = "7"
    & skf18("6","5","5","8","6","6","1") = "7"
    & skf18("6","5","5","8","6","7","1") = "7"
    & skf18("6","5","5","8","6","8","1") = "7"
    & skf18("6","5","5","8","6","9","1") = "8"
    & skf18("6","5","5","8","6","10","1") = "9"
    & skf18("6","5","5","8","7","1","1") = "7"
    & skf18("6","5","5","8","7","2","1") = "7"
    & skf18("6","5","5","8","7","3","1") = "7"
    & skf18("6","5","5","8","7","4","1") = "7"
    & skf18("6","5","5","8","7","5","1") = "7"
    & skf18("6","5","5","8","7","6","1") = "7"
    & skf18("6","5","5","8","7","7","1") = "7"
    & skf18("6","5","5","8","7","8","1") = "7"
    & skf18("6","5","5","8","7","9","1") = "8"
    & skf18("6","5","5","8","7","10","1") = "9"
    & skf18("6","5","5","8","8","1","1") = "7"
    & skf18("6","5","5","8","8","2","1") = "7"
    & skf18("6","5","5","8","8","3","1") = "7"
    & skf18("6","5","5","8","8","4","1") = "7"
    & skf18("6","5","5","8","8","5","1") = "7"
    & skf18("6","5","5","8","8","6","1") = "7"
    & skf18("6","5","5","8","8","7","1") = "7"
    & skf18("6","5","5","8","8","8","1") = "7"
    & skf18("6","5","5","8","8","9","1") = "8"
    & skf18("6","5","5","8","8","10","1") = "9"
    & skf18("6","5","5","8","9","1","1") = "8"
    & skf18("6","5","5","8","9","2","1") = "8"
    & skf18("6","5","5","8","9","3","1") = "8"
    & skf18("6","5","5","8","9","4","1") = "8"
    & skf18("6","5","5","8","9","5","1") = "8"
    & skf18("6","5","5","8","9","6","1") = "8"
    & skf18("6","5","5","8","9","7","1") = "8"
    & skf18("6","5","5","8","9","8","1") = "8"
    & skf18("6","5","5","8","9","9","1") = "8"
    & skf18("6","5","5","8","9","10","1") = "9"
    & skf18("6","5","5","8","10","1","1") = "9"
    & skf18("6","5","5","8","10","2","1") = "9"
    & skf18("6","5","5","8","10","3","1") = "9"
    & skf18("6","5","5","8","10","4","1") = "9"
    & skf18("6","5","5","8","10","5","1") = "9"
    & skf18("6","5","5","8","10","6","1") = "9"
    & skf18("6","5","5","8","10","7","1") = "9"
    & skf18("6","5","5","8","10","8","1") = "9"
    & skf18("6","5","5","8","10","9","1") = "9"
    & skf18("6","5","5","8","10","10","1") = "9"
    & skf18("6","5","5","9","1","1","1") = "8"
    & skf18("6","5","5","9","1","2","1") = "8"
    & skf18("6","5","5","9","1","3","1") = "8"
    & skf18("6","5","5","9","1","4","1") = "8"
    & skf18("6","5","5","9","1","5","1") = "8"
    & skf18("6","5","5","9","1","6","1") = "8"
    & skf18("6","5","5","9","1","7","1") = "8"
    & skf18("6","5","5","9","1","8","1") = "8"
    & skf18("6","5","5","9","1","9","1") = "8"
    & skf18("6","5","5","9","1","10","1") = "9"
    & skf18("6","5","5","9","2","1","1") = "8"
    & skf18("6","5","5","9","2","2","1") = "8"
    & skf18("6","5","5","9","2","3","1") = "8"
    & skf18("6","5","5","9","2","4","1") = "8"
    & skf18("6","5","5","9","2","5","1") = "8"
    & skf18("6","5","5","9","2","6","1") = "8"
    & skf18("6","5","5","9","2","7","1") = "8"
    & skf18("6","5","5","9","2","8","1") = "8"
    & skf18("6","5","5","9","2","9","1") = "8"
    & skf18("6","5","5","9","2","10","1") = "9"
    & skf18("6","5","5","9","3","1","1") = "8"
    & skf18("6","5","5","9","3","2","1") = "8"
    & skf18("6","5","5","9","3","3","1") = "8"
    & skf18("6","5","5","9","3","4","1") = "8"
    & skf18("6","5","5","9","3","5","1") = "8"
    & skf18("6","5","5","9","3","6","1") = "8"
    & skf18("6","5","5","9","3","7","1") = "8"
    & skf18("6","5","5","9","3","8","1") = "8"
    & skf18("6","5","5","9","3","9","1") = "8"
    & skf18("6","5","5","9","3","10","1") = "9"
    & skf18("6","5","5","9","4","1","1") = "8"
    & skf18("6","5","5","9","4","2","1") = "8"
    & skf18("6","5","5","9","4","3","1") = "8"
    & skf18("6","5","5","9","4","4","1") = "8"
    & skf18("6","5","5","9","4","5","1") = "8"
    & skf18("6","5","5","9","4","6","1") = "8"
    & skf18("6","5","5","9","4","7","1") = "8"
    & skf18("6","5","5","9","4","8","1") = "8"
    & skf18("6","5","5","9","4","9","1") = "8"
    & skf18("6","5","5","9","4","10","1") = "9"
    & skf18("6","5","5","9","5","1","1") = "8"
    & skf18("6","5","5","9","5","2","1") = "8"
    & skf18("6","5","5","9","5","3","1") = "8"
    & skf18("6","5","5","9","5","4","1") = "8"
    & skf18("6","5","5","9","5","5","1") = "8"
    & skf18("6","5","5","9","5","6","1") = "8"
    & skf18("6","5","5","9","5","7","1") = "8"
    & skf18("6","5","5","9","5","8","1") = "8"
    & skf18("6","5","5","9","5","9","1") = "8"
    & skf18("6","5","5","9","5","10","1") = "9"
    & skf18("6","5","5","9","6","1","1") = "8"
    & skf18("6","5","5","9","6","2","1") = "8"
    & skf18("6","5","5","9","6","3","1") = "8"
    & skf18("6","5","5","9","6","4","1") = "8"
    & skf18("6","5","5","9","6","5","1") = "8"
    & skf18("6","5","5","9","6","6","1") = "8"
    & skf18("6","5","5","9","6","7","1") = "8"
    & skf18("6","5","5","9","6","8","1") = "8"
    & skf18("6","5","5","9","6","9","1") = "8"
    & skf18("6","5","5","9","6","10","1") = "9"
    & skf18("6","5","5","9","7","1","1") = "8"
    & skf18("6","5","5","9","7","2","1") = "8"
    & skf18("6","5","5","9","7","3","1") = "8"
    & skf18("6","5","5","9","7","4","1") = "8"
    & skf18("6","5","5","9","7","5","1") = "8"
    & skf18("6","5","5","9","7","6","1") = "8"
    & skf18("6","5","5","9","7","7","1") = "8"
    & skf18("6","5","5","9","7","8","1") = "8"
    & skf18("6","5","5","9","7","9","1") = "8"
    & skf18("6","5","5","9","7","10","1") = "9"
    & skf18("6","5","5","9","8","1","1") = "8"
    & skf18("6","5","5","9","8","2","1") = "8"
    & skf18("6","5","5","9","8","3","1") = "8"
    & skf18("6","5","5","9","8","4","1") = "8"
    & skf18("6","5","5","9","8","5","1") = "8"
    & skf18("6","5","5","9","8","6","1") = "8"
    & skf18("6","5","5","9","8","7","1") = "8"
    & skf18("6","5","5","9","8","8","1") = "8"
    & skf18("6","5","5","9","8","9","1") = "8"
    & skf18("6","5","5","9","8","10","1") = "9"
    & skf18("6","5","5","9","9","1","1") = "8"
    & skf18("6","5","5","9","9","2","1") = "8"
    & skf18("6","5","5","9","9","3","1") = "8"
    & skf18("6","5","5","9","9","4","1") = "8"
    & skf18("6","5","5","9","9","5","1") = "8"
    & skf18("6","5","5","9","9","6","1") = "8"
    & skf18("6","5","5","9","9","7","1") = "8"
    & skf18("6","5","5","9","9","8","1") = "8"
    & skf18("6","5","5","9","9","9","1") = "8"
    & skf18("6","5","5","9","9","10","1") = "9"
    & skf18("6","5","5","9","10","1","1") = "9"
    & skf18("6","5","5","9","10","2","1") = "9"
    & skf18("6","5","5","9","10","3","1") = "9"
    & skf18("6","5","5","9","10","4","1") = "9"
    & skf18("6","5","5","9","10","5","1") = "9"
    & skf18("6","5","5","9","10","6","1") = "9"
    & skf18("6","5","5","9","10","7","1") = "9"
    & skf18("6","5","5","9","10","8","1") = "9"
    & skf18("6","5","5","9","10","9","1") = "9"
    & skf18("6","5","5","9","10","10","1") = "9"
    & skf18("6","5","5","10","1","1","1") = "9"
    & skf18("6","5","5","10","1","2","1") = "9"
    & skf18("6","5","5","10","1","3","1") = "9"
    & skf18("6","5","5","10","1","4","1") = "9"
    & skf18("6","5","5","10","1","5","1") = "9"
    & skf18("6","5","5","10","1","6","1") = "9"
    & skf18("6","5","5","10","1","7","1") = "9"
    & skf18("6","5","5","10","1","8","1") = "9"
    & skf18("6","5","5","10","1","9","1") = "9"
    & skf18("6","5","5","10","1","10","1") = "9"
    & skf18("6","5","5","10","2","1","1") = "9"
    & skf18("6","5","5","10","2","2","1") = "9"
    & skf18("6","5","5","10","2","3","1") = "9"
    & skf18("6","5","5","10","2","4","1") = "9"
    & skf18("6","5","5","10","2","5","1") = "9"
    & skf18("6","5","5","10","2","6","1") = "9"
    & skf18("6","5","5","10","2","7","1") = "9"
    & skf18("6","5","5","10","2","8","1") = "9"
    & skf18("6","5","5","10","2","9","1") = "9"
    & skf18("6","5","5","10","2","10","1") = "9"
    & skf18("6","5","5","10","3","1","1") = "9"
    & skf18("6","5","5","10","3","2","1") = "9"
    & skf18("6","5","5","10","3","3","1") = "9"
    & skf18("6","5","5","10","3","4","1") = "9"
    & skf18("6","5","5","10","3","5","1") = "9"
    & skf18("6","5","5","10","3","6","1") = "9"
    & skf18("6","5","5","10","3","7","1") = "9"
    & skf18("6","5","5","10","3","8","1") = "9"
    & skf18("6","5","5","10","3","9","1") = "9"
    & skf18("6","5","5","10","3","10","1") = "9"
    & skf18("6","5","5","10","4","1","1") = "9"
    & skf18("6","5","5","10","4","2","1") = "9"
    & skf18("6","5","5","10","4","3","1") = "9"
    & skf18("6","5","5","10","4","4","1") = "9"
    & skf18("6","5","5","10","4","5","1") = "9"
    & skf18("6","5","5","10","4","6","1") = "9"
    & skf18("6","5","5","10","4","7","1") = "9"
    & skf18("6","5","5","10","4","8","1") = "9"
    & skf18("6","5","5","10","4","9","1") = "9"
    & skf18("6","5","5","10","4","10","1") = "9"
    & skf18("6","5","5","10","5","1","1") = "9"
    & skf18("6","5","5","10","5","2","1") = "9"
    & skf18("6","5","5","10","5","3","1") = "9"
    & skf18("6","5","5","10","5","4","1") = "9"
    & skf18("6","5","5","10","5","5","1") = "9"
    & skf18("6","5","5","10","5","6","1") = "9"
    & skf18("6","5","5","10","5","7","1") = "9"
    & skf18("6","5","5","10","5","8","1") = "9"
    & skf18("6","5","5","10","5","9","1") = "9"
    & skf18("6","5","5","10","5","10","1") = "9"
    & skf18("6","5","5","10","6","1","1") = "9"
    & skf18("6","5","5","10","6","2","1") = "9"
    & skf18("6","5","5","10","6","3","1") = "9"
    & skf18("6","5","5","10","6","4","1") = "9"
    & skf18("6","5","5","10","6","5","1") = "9"
    & skf18("6","5","5","10","6","6","1") = "9"
    & skf18("6","5","5","10","6","7","1") = "9"
    & skf18("6","5","5","10","6","8","1") = "9"
    & skf18("6","5","5","10","6","9","1") = "9"
    & skf18("6","5","5","10","6","10","1") = "9"
    & skf18("6","5","5","10","7","1","1") = "9"
    & skf18("6","5","5","10","7","2","1") = "9"
    & skf18("6","5","5","10","7","3","1") = "9"
    & skf18("6","5","5","10","7","4","1") = "9"
    & skf18("6","5","5","10","7","5","1") = "9"
    & skf18("6","5","5","10","7","6","1") = "9"
    & skf18("6","5","5","10","7","7","1") = "9"
    & skf18("6","5","5","10","7","8","1") = "9"
    & skf18("6","5","5","10","7","9","1") = "9"
    & skf18("6","5","5","10","7","10","1") = "9"
    & skf18("6","5","5","10","8","1","1") = "9"
    & skf18("6","5","5","10","8","2","1") = "9"
    & skf18("6","5","5","10","8","3","1") = "9"
    & skf18("6","5","5","10","8","4","1") = "9"
    & skf18("6","5","5","10","8","5","1") = "9"
    & skf18("6","5","5","10","8","6","1") = "9"
    & skf18("6","5","5","10","8","7","1") = "9"
    & skf18("6","5","5","10","8","8","1") = "9"
    & skf18("6","5","5","10","8","9","1") = "9"
    & skf18("6","5","5","10","8","10","1") = "9"
    & skf18("6","5","5","10","9","1","1") = "9"
    & skf18("6","5","5","10","9","2","1") = "9"
    & skf18("6","5","5","10","9","3","1") = "9"
    & skf18("6","5","5","10","9","4","1") = "9"
    & skf18("6","5","5","10","9","5","1") = "9"
    & skf18("6","5","5","10","9","6","1") = "9"
    & skf18("6","5","5","10","9","7","1") = "9"
    & skf18("6","5","5","10","9","8","1") = "9"
    & skf18("6","5","5","10","9","9","1") = "9"
    & skf18("6","5","5","10","9","10","1") = "9"
    & skf18("6","5","5","10","10","1","1") = "9"
    & skf18("6","5","5","10","10","2","1") = "9"
    & skf18("6","5","5","10","10","3","1") = "9"
    & skf18("6","5","5","10","10","4","1") = "9"
    & skf18("6","5","5","10","10","5","1") = "9"
    & skf18("6","5","5","10","10","6","1") = "9"
    & skf18("6","5","5","10","10","7","1") = "9"
    & skf18("6","5","5","10","10","8","1") = "9"
    & skf18("6","5","5","10","10","9","1") = "9"
    & skf18("6","5","5","10","10","10","1") = "9"
    & skf18("6","5","6","1","1","1","1") = "5"
    & skf18("6","5","6","1","1","2","1") = "5"
    & skf18("6","5","6","1","1","3","1") = "5"
    & skf18("6","5","6","1","1","4","1") = "5"
    & skf18("6","5","6","1","1","5","1") = "5"
    & skf18("6","5","6","1","1","6","1") = "5"
    & skf18("6","5","6","1","1","7","1") = "6"
    & skf18("6","5","6","1","1","8","1") = "7"
    & skf18("6","5","6","1","1","9","1") = "8"
    & skf18("6","5","6","1","1","10","1") = "9"
    & skf18("6","5","6","1","2","1","1") = "5"
    & skf18("6","5","6","1","2","2","1") = "5"
    & skf18("6","5","6","1","2","3","1") = "5"
    & skf18("6","5","6","1","2","4","1") = "5"
    & skf18("6","5","6","1","2","5","1") = "5"
    & skf18("6","5","6","1","2","6","1") = "5"
    & skf18("6","5","6","1","2","7","1") = "6"
    & skf18("6","5","6","1","2","8","1") = "7"
    & skf18("6","5","6","1","2","9","1") = "8"
    & skf18("6","5","6","1","2","10","1") = "9"
    & skf18("6","5","6","1","3","1","1") = "5"
    & skf18("6","5","6","1","3","2","1") = "5"
    & skf18("6","5","6","1","3","3","1") = "5"
    & skf18("6","5","6","1","3","4","1") = "5"
    & skf18("6","5","6","1","3","5","1") = "5"
    & skf18("6","5","6","1","3","6","1") = "5"
    & skf18("6","5","6","1","3","7","1") = "6"
    & skf18("6","5","6","1","3","8","1") = "7"
    & skf18("6","5","6","1","3","9","1") = "8"
    & skf18("6","5","6","1","3","10","1") = "9"
    & skf18("6","5","6","1","4","1","1") = "5"
    & skf18("6","5","6","1","4","2","1") = "5"
    & skf18("6","5","6","1","4","3","1") = "5"
    & skf18("6","5","6","1","4","4","1") = "5"
    & skf18("6","5","6","1","4","5","1") = "5"
    & skf18("6","5","6","1","4","6","1") = "5"
    & skf18("6","5","6","1","4","7","1") = "6"
    & skf18("6","5","6","1","4","8","1") = "7"
    & skf18("6","5","6","1","4","9","1") = "8"
    & skf18("6","5","6","1","4","10","1") = "9"
    & skf18("6","5","6","1","5","1","1") = "5"
    & skf18("6","5","6","1","5","2","1") = "5"
    & skf18("6","5","6","1","5","3","1") = "5"
    & skf18("6","5","6","1","5","4","1") = "5"
    & skf18("6","5","6","1","5","5","1") = "5"
    & skf18("6","5","6","1","5","6","1") = "5"
    & skf18("6","5","6","1","5","7","1") = "6"
    & skf18("6","5","6","1","5","8","1") = "7"
    & skf18("6","5","6","1","5","9","1") = "8"
    & skf18("6","5","6","1","5","10","1") = "9"
    & skf18("6","5","6","1","6","1","1") = "5"
    & skf18("6","5","6","1","6","2","1") = "5"
    & skf18("6","5","6","1","6","3","1") = "5"
    & skf18("6","5","6","1","6","4","1") = "5"
    & skf18("6","5","6","1","6","5","1") = "5"
    & skf18("6","5","6","1","6","6","1") = "5"
    & skf18("6","5","6","1","6","7","1") = "6"
    & skf18("6","5","6","1","6","8","1") = "7"
    & skf18("6","5","6","1","6","9","1") = "8"
    & skf18("6","5","6","1","6","10","1") = "9"
    & skf18("6","5","6","1","7","1","1") = "6"
    & skf18("6","5","6","1","7","2","1") = "6"
    & skf18("6","5","6","1","7","3","1") = "6"
    & skf18("6","5","6","1","7","4","1") = "6"
    & skf18("6","5","6","1","7","5","1") = "6"
    & skf18("6","5","6","1","7","6","1") = "6"
    & skf18("6","5","6","1","7","7","1") = "6"
    & skf18("6","5","6","1","7","8","1") = "7"
    & skf18("6","5","6","1","7","9","1") = "8"
    & skf18("6","5","6","1","7","10","1") = "9"
    & skf18("6","5","6","1","8","1","1") = "7"
    & skf18("6","5","6","1","8","2","1") = "7"
    & skf18("6","5","6","1","8","3","1") = "7"
    & skf18("6","5","6","1","8","4","1") = "7"
    & skf18("6","5","6","1","8","5","1") = "7"
    & skf18("6","5","6","1","8","6","1") = "7"
    & skf18("6","5","6","1","8","7","1") = "7"
    & skf18("6","5","6","1","8","8","1") = "7"
    & skf18("6","5","6","1","8","9","1") = "8"
    & skf18("6","5","6","1","8","10","1") = "9"
    & skf18("6","5","6","1","9","1","1") = "8"
    & skf18("6","5","6","1","9","2","1") = "8"
    & skf18("6","5","6","1","9","3","1") = "8"
    & skf18("6","5","6","1","9","4","1") = "8"
    & skf18("6","5","6","1","9","5","1") = "8"
    & skf18("6","5","6","1","9","6","1") = "8"
    & skf18("6","5","6","1","9","7","1") = "8"
    & skf18("6","5","6","1","9","8","1") = "8"
    & skf18("6","5","6","1","9","9","1") = "8"
    & skf18("6","5","6","1","9","10","1") = "9"
    & skf18("6","5","6","1","10","1","1") = "9"
    & skf18("6","5","6","1","10","2","1") = "9"
    & skf18("6","5","6","1","10","3","1") = "9"
    & skf18("6","5","6","1","10","4","1") = "9"
    & skf18("6","5","6","1","10","5","1") = "9"
    & skf18("6","5","6","1","10","6","1") = "9"
    & skf18("6","5","6","1","10","7","1") = "9"
    & skf18("6","5","6","1","10","8","1") = "9"
    & skf18("6","5","6","1","10","9","1") = "9"
    & skf18("6","5","6","1","10","10","1") = "9"
    & skf18("6","5","6","2","1","1","1") = "5"
    & skf18("6","5","6","2","1","2","1") = "5"
    & skf18("6","5","6","2","1","3","1") = "5"
    & skf18("6","5","6","2","1","4","1") = "5"
    & skf18("6","5","6","2","1","5","1") = "5"
    & skf18("6","5","6","2","1","6","1") = "5"
    & skf18("6","5","6","2","1","7","1") = "6"
    & skf18("6","5","6","2","1","8","1") = "7"
    & skf18("6","5","6","2","1","9","1") = "8"
    & skf18("6","5","6","2","1","10","1") = "9"
    & skf18("6","5","6","2","2","1","1") = "5"
    & skf18("6","5","6","2","2","2","1") = "5"
    & skf18("6","5","6","2","2","3","1") = "5"
    & skf18("6","5","6","2","2","4","1") = "5"
    & skf18("6","5","6","2","2","5","1") = "5"
    & skf18("6","5","6","2","2","6","1") = "5"
    & skf18("6","5","6","2","2","7","1") = "6"
    & skf18("6","5","6","2","2","8","1") = "7"
    & skf18("6","5","6","2","2","9","1") = "8"
    & skf18("6","5","6","2","2","10","1") = "9"
    & skf18("6","5","6","2","3","1","1") = "5"
    & skf18("6","5","6","2","3","2","1") = "5"
    & skf18("6","5","6","2","3","3","1") = "5"
    & skf18("6","5","6","2","3","4","1") = "5"
    & skf18("6","5","6","2","3","5","1") = "5"
    & skf18("6","5","6","2","3","6","1") = "5"
    & skf18("6","5","6","2","3","7","1") = "6"
    & skf18("6","5","6","2","3","8","1") = "7"
    & skf18("6","5","6","2","3","9","1") = "8"
    & skf18("6","5","6","2","3","10","1") = "9"
    & skf18("6","5","6","2","4","1","1") = "5"
    & skf18("6","5","6","2","4","2","1") = "5"
    & skf18("6","5","6","2","4","3","1") = "5"
    & skf18("6","5","6","2","4","4","1") = "5"
    & skf18("6","5","6","2","4","5","1") = "5"
    & skf18("6","5","6","2","4","6","1") = "5"
    & skf18("6","5","6","2","4","7","1") = "6"
    & skf18("6","5","6","2","4","8","1") = "7"
    & skf18("6","5","6","2","4","9","1") = "8"
    & skf18("6","5","6","2","4","10","1") = "9"
    & skf18("6","5","6","2","5","1","1") = "5"
    & skf18("6","5","6","2","5","2","1") = "5"
    & skf18("6","5","6","2","5","3","1") = "5"
    & skf18("6","5","6","2","5","4","1") = "5"
    & skf18("6","5","6","2","5","5","1") = "5"
    & skf18("6","5","6","2","5","6","1") = "5"
    & skf18("6","5","6","2","5","7","1") = "6"
    & skf18("6","5","6","2","5","8","1") = "7"
    & skf18("6","5","6","2","5","9","1") = "8"
    & skf18("6","5","6","2","5","10","1") = "9"
    & skf18("6","5","6","2","6","1","1") = "5"
    & skf18("6","5","6","2","6","2","1") = "5"
    & skf18("6","5","6","2","6","3","1") = "5"
    & skf18("6","5","6","2","6","4","1") = "5"
    & skf18("6","5","6","2","6","5","1") = "5"
    & skf18("6","5","6","2","6","6","1") = "5"
    & skf18("6","5","6","2","6","7","1") = "6"
    & skf18("6","5","6","2","6","8","1") = "7"
    & skf18("6","5","6","2","6","9","1") = "8"
    & skf18("6","5","6","2","6","10","1") = "9"
    & skf18("6","5","6","2","7","1","1") = "6"
    & skf18("6","5","6","2","7","2","1") = "6"
    & skf18("6","5","6","2","7","3","1") = "6"
    & skf18("6","5","6","2","7","4","1") = "6"
    & skf18("6","5","6","2","7","5","1") = "6"
    & skf18("6","5","6","2","7","6","1") = "6"
    & skf18("6","5","6","2","7","7","1") = "6"
    & skf18("6","5","6","2","7","8","1") = "7"
    & skf18("6","5","6","2","7","9","1") = "8"
    & skf18("6","5","6","2","7","10","1") = "9"
    & skf18("6","5","6","2","8","1","1") = "7"
    & skf18("6","5","6","2","8","2","1") = "7"
    & skf18("6","5","6","2","8","3","1") = "7"
    & skf18("6","5","6","2","8","4","1") = "7"
    & skf18("6","5","6","2","8","5","1") = "7"
    & skf18("6","5","6","2","8","6","1") = "7"
    & skf18("6","5","6","2","8","7","1") = "7"
    & skf18("6","5","6","2","8","8","1") = "7"
    & skf18("6","5","6","2","8","9","1") = "8"
    & skf18("6","5","6","2","8","10","1") = "9"
    & skf18("6","5","6","2","9","1","1") = "8"
    & skf18("6","5","6","2","9","2","1") = "8"
    & skf18("6","5","6","2","9","3","1") = "8"
    & skf18("6","5","6","2","9","4","1") = "8"
    & skf18("6","5","6","2","9","5","1") = "8"
    & skf18("6","5","6","2","9","6","1") = "8"
    & skf18("6","5","6","2","9","7","1") = "8"
    & skf18("6","5","6","2","9","8","1") = "8"
    & skf18("6","5","6","2","9","9","1") = "8"
    & skf18("6","5","6","2","9","10","1") = "9"
    & skf18("6","5","6","2","10","1","1") = "9"
    & skf18("6","5","6","2","10","2","1") = "9"
    & skf18("6","5","6","2","10","3","1") = "9"
    & skf18("6","5","6","2","10","4","1") = "9"
    & skf18("6","5","6","2","10","5","1") = "9"
    & skf18("6","5","6","2","10","6","1") = "9"
    & skf18("6","5","6","2","10","7","1") = "9"
    & skf18("6","5","6","2","10","8","1") = "9"
    & skf18("6","5","6","2","10","9","1") = "9"
    & skf18("6","5","6","2","10","10","1") = "9"
    & skf18("6","5","6","3","1","1","1") = "5"
    & skf18("6","5","6","3","1","2","1") = "5"
    & skf18("6","5","6","3","1","3","1") = "5"
    & skf18("6","5","6","3","1","4","1") = "5"
    & skf18("6","5","6","3","1","5","1") = "5"
    & skf18("6","5","6","3","1","6","1") = "5"
    & skf18("6","5","6","3","1","7","1") = "6"
    & skf18("6","5","6","3","1","8","1") = "7"
    & skf18("6","5","6","3","1","9","1") = "8"
    & skf18("6","5","6","3","1","10","1") = "9"
    & skf18("6","5","6","3","2","1","1") = "5"
    & skf18("6","5","6","3","2","2","1") = "5"
    & skf18("6","5","6","3","2","3","1") = "5"
    & skf18("6","5","6","3","2","4","1") = "5"
    & skf18("6","5","6","3","2","5","1") = "5"
    & skf18("6","5","6","3","2","6","1") = "5"
    & skf18("6","5","6","3","2","7","1") = "6"
    & skf18("6","5","6","3","2","8","1") = "7"
    & skf18("6","5","6","3","2","9","1") = "8"
    & skf18("6","5","6","3","2","10","1") = "9"
    & skf18("6","5","6","3","3","1","1") = "5"
    & skf18("6","5","6","3","3","2","1") = "5"
    & skf18("6","5","6","3","3","3","1") = "5"
    & skf18("6","5","6","3","3","4","1") = "5"
    & skf18("6","5","6","3","3","5","1") = "5"
    & skf18("6","5","6","3","3","6","1") = "5"
    & skf18("6","5","6","3","3","7","1") = "6"
    & skf18("6","5","6","3","3","8","1") = "7"
    & skf18("6","5","6","3","3","9","1") = "8"
    & skf18("6","5","6","3","3","10","1") = "9"
    & skf18("6","5","6","3","4","1","1") = "5"
    & skf18("6","5","6","3","4","2","1") = "5"
    & skf18("6","5","6","3","4","3","1") = "5"
    & skf18("6","5","6","3","4","4","1") = "5"
    & skf18("6","5","6","3","4","5","1") = "5"
    & skf18("6","5","6","3","4","6","1") = "5"
    & skf18("6","5","6","3","4","7","1") = "6"
    & skf18("6","5","6","3","4","8","1") = "7"
    & skf18("6","5","6","3","4","9","1") = "8"
    & skf18("6","5","6","3","4","10","1") = "9"
    & skf18("6","5","6","3","5","1","1") = "5"
    & skf18("6","5","6","3","5","2","1") = "5"
    & skf18("6","5","6","3","5","3","1") = "5"
    & skf18("6","5","6","3","5","4","1") = "5"
    & skf18("6","5","6","3","5","5","1") = "5"
    & skf18("6","5","6","3","5","6","1") = "5"
    & skf18("6","5","6","3","5","7","1") = "6"
    & skf18("6","5","6","3","5","8","1") = "7"
    & skf18("6","5","6","3","5","9","1") = "8"
    & skf18("6","5","6","3","5","10","1") = "9"
    & skf18("6","5","6","3","6","1","1") = "5"
    & skf18("6","5","6","3","6","2","1") = "5"
    & skf18("6","5","6","3","6","3","1") = "5"
    & skf18("6","5","6","3","6","4","1") = "5"
    & skf18("6","5","6","3","6","5","1") = "5"
    & skf18("6","5","6","3","6","6","1") = "5"
    & skf18("6","5","6","3","6","7","1") = "6"
    & skf18("6","5","6","3","6","8","1") = "7"
    & skf18("6","5","6","3","6","9","1") = "8"
    & skf18("6","5","6","3","6","10","1") = "9"
    & skf18("6","5","6","3","7","1","1") = "6"
    & skf18("6","5","6","3","7","2","1") = "6"
    & skf18("6","5","6","3","7","3","1") = "6"
    & skf18("6","5","6","3","7","4","1") = "6"
    & skf18("6","5","6","3","7","5","1") = "6"
    & skf18("6","5","6","3","7","6","1") = "6"
    & skf18("6","5","6","3","7","7","1") = "6"
    & skf18("6","5","6","3","7","8","1") = "7"
    & skf18("6","5","6","3","7","9","1") = "8"
    & skf18("6","5","6","3","7","10","1") = "9"
    & skf18("6","5","6","3","8","1","1") = "7"
    & skf18("6","5","6","3","8","2","1") = "7"
    & skf18("6","5","6","3","8","3","1") = "7"
    & skf18("6","5","6","3","8","4","1") = "7"
    & skf18("6","5","6","3","8","5","1") = "7"
    & skf18("6","5","6","3","8","6","1") = "7"
    & skf18("6","5","6","3","8","7","1") = "7"
    & skf18("6","5","6","3","8","8","1") = "7"
    & skf18("6","5","6","3","8","9","1") = "8"
    & skf18("6","5","6","3","8","10","1") = "9"
    & skf18("6","5","6","3","9","1","1") = "8"
    & skf18("6","5","6","3","9","2","1") = "8"
    & skf18("6","5","6","3","9","3","1") = "8"
    & skf18("6","5","6","3","9","4","1") = "8"
    & skf18("6","5","6","3","9","5","1") = "8"
    & skf18("6","5","6","3","9","6","1") = "8"
    & skf18("6","5","6","3","9","7","1") = "8"
    & skf18("6","5","6","3","9","8","1") = "8"
    & skf18("6","5","6","3","9","9","1") = "8"
    & skf18("6","5","6","3","9","10","1") = "9"
    & skf18("6","5","6","3","10","1","1") = "9"
    & skf18("6","5","6","3","10","2","1") = "9"
    & skf18("6","5","6","3","10","3","1") = "9"
    & skf18("6","5","6","3","10","4","1") = "9"
    & skf18("6","5","6","3","10","5","1") = "9"
    & skf18("6","5","6","3","10","6","1") = "9"
    & skf18("6","5","6","3","10","7","1") = "9"
    & skf18("6","5","6","3","10","8","1") = "9"
    & skf18("6","5","6","3","10","9","1") = "9"
    & skf18("6","5","6","3","10","10","1") = "9"
    & skf18("6","5","6","4","1","1","1") = "5"
    & skf18("6","5","6","4","1","2","1") = "5"
    & skf18("6","5","6","4","1","3","1") = "5"
    & skf18("6","5","6","4","1","4","1") = "5"
    & skf18("6","5","6","4","1","5","1") = "5"
    & skf18("6","5","6","4","1","6","1") = "5"
    & skf18("6","5","6","4","1","7","1") = "6"
    & skf18("6","5","6","4","1","8","1") = "7"
    & skf18("6","5","6","4","1","9","1") = "8"
    & skf18("6","5","6","4","1","10","1") = "9"
    & skf18("6","5","6","4","2","1","1") = "5"
    & skf18("6","5","6","4","2","2","1") = "5"
    & skf18("6","5","6","4","2","3","1") = "5"
    & skf18("6","5","6","4","2","4","1") = "5"
    & skf18("6","5","6","4","2","5","1") = "5"
    & skf18("6","5","6","4","2","6","1") = "5"
    & skf18("6","5","6","4","2","7","1") = "6"
    & skf18("6","5","6","4","2","8","1") = "7"
    & skf18("6","5","6","4","2","9","1") = "8"
    & skf18("6","5","6","4","2","10","1") = "9"
    & skf18("6","5","6","4","3","1","1") = "5"
    & skf18("6","5","6","4","3","2","1") = "5"
    & skf18("6","5","6","4","3","3","1") = "5"
    & skf18("6","5","6","4","3","4","1") = "5"
    & skf18("6","5","6","4","3","5","1") = "5"
    & skf18("6","5","6","4","3","6","1") = "5"
    & skf18("6","5","6","4","3","7","1") = "6"
    & skf18("6","5","6","4","3","8","1") = "7"
    & skf18("6","5","6","4","3","9","1") = "8"
    & skf18("6","5","6","4","3","10","1") = "9"
    & skf18("6","5","6","4","4","1","1") = "5"
    & skf18("6","5","6","4","4","2","1") = "5"
    & skf18("6","5","6","4","4","3","1") = "5"
    & skf18("6","5","6","4","4","4","1") = "5"
    & skf18("6","5","6","4","4","5","1") = "5"
    & skf18("6","5","6","4","4","6","1") = "5"
    & skf18("6","5","6","4","4","7","1") = "6"
    & skf18("6","5","6","4","4","8","1") = "7"
    & skf18("6","5","6","4","4","9","1") = "8"
    & skf18("6","5","6","4","4","10","1") = "9"
    & skf18("6","5","6","4","5","1","1") = "5"
    & skf18("6","5","6","4","5","2","1") = "5"
    & skf18("6","5","6","4","5","3","1") = "5"
    & skf18("6","5","6","4","5","4","1") = "5"
    & skf18("6","5","6","4","5","5","1") = "5"
    & skf18("6","5","6","4","5","6","1") = "5"
    & skf18("6","5","6","4","5","7","1") = "6"
    & skf18("6","5","6","4","5","8","1") = "7"
    & skf18("6","5","6","4","5","9","1") = "8"
    & skf18("6","5","6","4","5","10","1") = "9"
    & skf18("6","5","6","4","6","1","1") = "5"
    & skf18("6","5","6","4","6","2","1") = "5"
    & skf18("6","5","6","4","6","3","1") = "5"
    & skf18("6","5","6","4","6","4","1") = "5"
    & skf18("6","5","6","4","6","5","1") = "5"
    & skf18("6","5","6","4","6","6","1") = "5"
    & skf18("6","5","6","4","6","7","1") = "6"
    & skf18("6","5","6","4","6","8","1") = "7"
    & skf18("6","5","6","4","6","9","1") = "8"
    & skf18("6","5","6","4","6","10","1") = "9"
    & skf18("6","5","6","4","7","1","1") = "6"
    & skf18("6","5","6","4","7","2","1") = "6"
    & skf18("6","5","6","4","7","3","1") = "6"
    & skf18("6","5","6","4","7","4","1") = "6"
    & skf18("6","5","6","4","7","5","1") = "6"
    & skf18("6","5","6","4","7","6","1") = "6"
    & skf18("6","5","6","4","7","7","1") = "6"
    & skf18("6","5","6","4","7","8","1") = "7"
    & skf18("6","5","6","4","7","9","1") = "8"
    & skf18("6","5","6","4","7","10","1") = "9"
    & skf18("6","5","6","4","8","1","1") = "7"
    & skf18("6","5","6","4","8","2","1") = "7"
    & skf18("6","5","6","4","8","3","1") = "7"
    & skf18("6","5","6","4","8","4","1") = "7"
    & skf18("6","5","6","4","8","5","1") = "7"
    & skf18("6","5","6","4","8","6","1") = "7"
    & skf18("6","5","6","4","8","7","1") = "7"
    & skf18("6","5","6","4","8","8","1") = "7"
    & skf18("6","5","6","4","8","9","1") = "8"
    & skf18("6","5","6","4","8","10","1") = "9"
    & skf18("6","5","6","4","9","1","1") = "8"
    & skf18("6","5","6","4","9","2","1") = "8"
    & skf18("6","5","6","4","9","3","1") = "8"
    & skf18("6","5","6","4","9","4","1") = "8"
    & skf18("6","5","6","4","9","5","1") = "8"
    & skf18("6","5","6","4","9","6","1") = "8"
    & skf18("6","5","6","4","9","7","1") = "8"
    & skf18("6","5","6","4","9","8","1") = "8"
    & skf18("6","5","6","4","9","9","1") = "8"
    & skf18("6","5","6","4","9","10","1") = "9"
    & skf18("6","5","6","4","10","1","1") = "9"
    & skf18("6","5","6","4","10","2","1") = "9"
    & skf18("6","5","6","4","10","3","1") = "9"
    & skf18("6","5","6","4","10","4","1") = "9"
    & skf18("6","5","6","4","10","5","1") = "9"
    & skf18("6","5","6","4","10","6","1") = "9"
    & skf18("6","5","6","4","10","7","1") = "9"
    & skf18("6","5","6","4","10","8","1") = "9"
    & skf18("6","5","6","4","10","9","1") = "9"
    & skf18("6","5","6","4","10","10","1") = "9"
    & skf18("6","5","6","5","1","1","1") = "5"
    & skf18("6","5","6","5","1","2","1") = "5"
    & skf18("6","5","6","5","1","3","1") = "5"
    & skf18("6","5","6","5","1","4","1") = "5"
    & skf18("6","5","6","5","1","5","1") = "5"
    & skf18("6","5","6","5","1","6","1") = "5"
    & skf18("6","5","6","5","1","7","1") = "6"
    & skf18("6","5","6","5","1","8","1") = "7"
    & skf18("6","5","6","5","1","9","1") = "8"
    & skf18("6","5","6","5","1","10","1") = "9"
    & skf18("6","5","6","5","2","1","1") = "5"
    & skf18("6","5","6","5","2","2","1") = "5"
    & skf18("6","5","6","5","2","3","1") = "5"
    & skf18("6","5","6","5","2","4","1") = "5"
    & skf18("6","5","6","5","2","5","1") = "5"
    & skf18("6","5","6","5","2","6","1") = "5"
    & skf18("6","5","6","5","2","7","1") = "6"
    & skf18("6","5","6","5","2","8","1") = "7"
    & skf18("6","5","6","5","2","9","1") = "8"
    & skf18("6","5","6","5","2","10","1") = "9"
    & skf18("6","5","6","5","3","1","1") = "5"
    & skf18("6","5","6","5","3","2","1") = "5"
    & skf18("6","5","6","5","3","3","1") = "5"
    & skf18("6","5","6","5","3","4","1") = "5"
    & skf18("6","5","6","5","3","5","1") = "5"
    & skf18("6","5","6","5","3","6","1") = "5"
    & skf18("6","5","6","5","3","7","1") = "6"
    & skf18("6","5","6","5","3","8","1") = "7"
    & skf18("6","5","6","5","3","9","1") = "8"
    & skf18("6","5","6","5","3","10","1") = "9"
    & skf18("6","5","6","5","4","1","1") = "5"
    & skf18("6","5","6","5","4","2","1") = "5"
    & skf18("6","5","6","5","4","3","1") = "5"
    & skf18("6","5","6","5","4","4","1") = "5"
    & skf18("6","5","6","5","4","5","1") = "5"
    & skf18("6","5","6","5","4","6","1") = "5"
    & skf18("6","5","6","5","4","7","1") = "6"
    & skf18("6","5","6","5","4","8","1") = "7"
    & skf18("6","5","6","5","4","9","1") = "8"
    & skf18("6","5","6","5","4","10","1") = "9"
    & skf18("6","5","6","5","5","1","1") = "5"
    & skf18("6","5","6","5","5","2","1") = "5"
    & skf18("6","5","6","5","5","3","1") = "5"
    & skf18("6","5","6","5","5","4","1") = "5"
    & skf18("6","5","6","5","5","5","1") = "5"
    & skf18("6","5","6","5","5","6","1") = "5"
    & skf18("6","5","6","5","5","7","1") = "6"
    & skf18("6","5","6","5","5","8","1") = "7"
    & skf18("6","5","6","5","5","9","1") = "8"
    & skf18("6","5","6","5","5","10","1") = "9"
    & skf18("6","5","6","5","6","1","1") = "5"
    & skf18("6","5","6","5","6","2","1") = "5"
    & skf18("6","5","6","5","6","3","1") = "5"
    & skf18("6","5","6","5","6","4","1") = "5"
    & skf18("6","5","6","5","6","5","1") = "5"
    & skf18("6","5","6","5","6","6","1") = "5"
    & skf18("6","5","6","5","6","7","1") = "6"
    & skf18("6","5","6","5","6","8","1") = "7"
    & skf18("6","5","6","5","6","9","1") = "8"
    & skf18("6","5","6","5","6","10","1") = "9"
    & skf18("6","5","6","5","7","1","1") = "6"
    & skf18("6","5","6","5","7","2","1") = "6"
    & skf18("6","5","6","5","7","3","1") = "6"
    & skf18("6","5","6","5","7","4","1") = "6"
    & skf18("6","5","6","5","7","5","1") = "6"
    & skf18("6","5","6","5","7","6","1") = "6"
    & skf18("6","5","6","5","7","7","1") = "6"
    & skf18("6","5","6","5","7","8","1") = "7"
    & skf18("6","5","6","5","7","9","1") = "8"
    & skf18("6","5","6","5","7","10","1") = "9"
    & skf18("6","5","6","5","8","1","1") = "7"
    & skf18("6","5","6","5","8","2","1") = "7"
    & skf18("6","5","6","5","8","3","1") = "7"
    & skf18("6","5","6","5","8","4","1") = "7"
    & skf18("6","5","6","5","8","5","1") = "7"
    & skf18("6","5","6","5","8","6","1") = "7"
    & skf18("6","5","6","5","8","7","1") = "7"
    & skf18("6","5","6","5","8","8","1") = "7"
    & skf18("6","5","6","5","8","9","1") = "8"
    & skf18("6","5","6","5","8","10","1") = "9"
    & skf18("6","5","6","5","9","1","1") = "8"
    & skf18("6","5","6","5","9","2","1") = "8"
    & skf18("6","5","6","5","9","3","1") = "8"
    & skf18("6","5","6","5","9","4","1") = "8"
    & skf18("6","5","6","5","9","5","1") = "8"
    & skf18("6","5","6","5","9","6","1") = "8"
    & skf18("6","5","6","5","9","7","1") = "8"
    & skf18("6","5","6","5","9","8","1") = "8"
    & skf18("6","5","6","5","9","9","1") = "8"
    & skf18("6","5","6","5","9","10","1") = "9"
    & skf18("6","5","6","5","10","1","1") = "9"
    & skf18("6","5","6","5","10","2","1") = "9"
    & skf18("6","5","6","5","10","3","1") = "9"
    & skf18("6","5","6","5","10","4","1") = "9"
    & skf18("6","5","6","5","10","5","1") = "9"
    & skf18("6","5","6","5","10","6","1") = "9"
    & skf18("6","5","6","5","10","7","1") = "9"
    & skf18("6","5","6","5","10","8","1") = "9"
    & skf18("6","5","6","5","10","9","1") = "9"
    & skf18("6","5","6","5","10","10","1") = "9"
    & skf18("6","5","6","6","1","1","1") = "5"
    & skf18("6","5","6","6","1","2","1") = "5"
    & skf18("6","5","6","6","1","3","1") = "5"
    & skf18("6","5","6","6","1","4","1") = "5"
    & skf18("6","5","6","6","1","5","1") = "5"
    & skf18("6","5","6","6","1","6","1") = "5"
    & skf18("6","5","6","6","1","7","1") = "6"
    & skf18("6","5","6","6","1","8","1") = "7"
    & skf18("6","5","6","6","1","9","1") = "8"
    & skf18("6","5","6","6","1","10","1") = "9"
    & skf18("6","5","6","6","2","1","1") = "5"
    & skf18("6","5","6","6","2","2","1") = "5"
    & skf18("6","5","6","6","2","3","1") = "5"
    & skf18("6","5","6","6","2","4","1") = "5"
    & skf18("6","5","6","6","2","5","1") = "5"
    & skf18("6","5","6","6","2","6","1") = "5"
    & skf18("6","5","6","6","2","7","1") = "6"
    & skf18("6","5","6","6","2","8","1") = "7"
    & skf18("6","5","6","6","2","9","1") = "8"
    & skf18("6","5","6","6","2","10","1") = "9"
    & skf18("6","5","6","6","3","1","1") = "5"
    & skf18("6","5","6","6","3","2","1") = "5"
    & skf18("6","5","6","6","3","3","1") = "5"
    & skf18("6","5","6","6","3","4","1") = "5"
    & skf18("6","5","6","6","3","5","1") = "5"
    & skf18("6","5","6","6","3","6","1") = "5"
    & skf18("6","5","6","6","3","7","1") = "6"
    & skf18("6","5","6","6","3","8","1") = "7"
    & skf18("6","5","6","6","3","9","1") = "8"
    & skf18("6","5","6","6","3","10","1") = "9"
    & skf18("6","5","6","6","4","1","1") = "5"
    & skf18("6","5","6","6","4","2","1") = "5"
    & skf18("6","5","6","6","4","3","1") = "5"
    & skf18("6","5","6","6","4","4","1") = "5"
    & skf18("6","5","6","6","4","5","1") = "5"
    & skf18("6","5","6","6","4","6","1") = "5"
    & skf18("6","5","6","6","4","7","1") = "6"
    & skf18("6","5","6","6","4","8","1") = "7"
    & skf18("6","5","6","6","4","9","1") = "8"
    & skf18("6","5","6","6","4","10","1") = "9"
    & skf18("6","5","6","6","5","1","1") = "5"
    & skf18("6","5","6","6","5","2","1") = "5"
    & skf18("6","5","6","6","5","3","1") = "5"
    & skf18("6","5","6","6","5","4","1") = "5"
    & skf18("6","5","6","6","5","5","1") = "5"
    & skf18("6","5","6","6","5","6","1") = "5"
    & skf18("6","5","6","6","5","7","1") = "6"
    & skf18("6","5","6","6","5","8","1") = "7"
    & skf18("6","5","6","6","5","9","1") = "8"
    & skf18("6","5","6","6","5","10","1") = "9"
    & skf18("6","5","6","6","6","1","1") = "5"
    & skf18("6","5","6","6","6","2","1") = "5"
    & skf18("6","5","6","6","6","3","1") = "5"
    & skf18("6","5","6","6","6","4","1") = "5"
    & skf18("6","5","6","6","6","5","1") = "5"
    & skf18("6","5","6","6","6","6","1") = "5"
    & skf18("6","5","6","6","6","7","1") = "6"
    & skf18("6","5","6","6","6","8","1") = "7"
    & skf18("6","5","6","6","6","9","1") = "8"
    & skf18("6","5","6","6","6","10","1") = "9"
    & skf18("6","5","6","6","7","1","1") = "6"
    & skf18("6","5","6","6","7","2","1") = "6"
    & skf18("6","5","6","6","7","3","1") = "6"
    & skf18("6","5","6","6","7","4","1") = "6"
    & skf18("6","5","6","6","7","5","1") = "6"
    & skf18("6","5","6","6","7","6","1") = "6"
    & skf18("6","5","6","6","7","7","1") = "6"
    & skf18("6","5","6","6","7","8","1") = "7"
    & skf18("6","5","6","6","7","9","1") = "8"
    & skf18("6","5","6","6","7","10","1") = "9"
    & skf18("6","5","6","6","8","1","1") = "7"
    & skf18("6","5","6","6","8","2","1") = "7"
    & skf18("6","5","6","6","8","3","1") = "7"
    & skf18("6","5","6","6","8","4","1") = "7"
    & skf18("6","5","6","6","8","5","1") = "7"
    & skf18("6","5","6","6","8","6","1") = "7"
    & skf18("6","5","6","6","8","7","1") = "7"
    & skf18("6","5","6","6","8","8","1") = "7"
    & skf18("6","5","6","6","8","9","1") = "8"
    & skf18("6","5","6","6","8","10","1") = "9"
    & skf18("6","5","6","6","9","1","1") = "8"
    & skf18("6","5","6","6","9","2","1") = "8"
    & skf18("6","5","6","6","9","3","1") = "8"
    & skf18("6","5","6","6","9","4","1") = "8"
    & skf18("6","5","6","6","9","5","1") = "8"
    & skf18("6","5","6","6","9","6","1") = "8"
    & skf18("6","5","6","6","9","7","1") = "8"
    & skf18("6","5","6","6","9","8","1") = "8"
    & skf18("6","5","6","6","9","9","1") = "8"
    & skf18("6","5","6","6","9","10","1") = "9"
    & skf18("6","5","6","6","10","1","1") = "9"
    & skf18("6","5","6","6","10","2","1") = "9"
    & skf18("6","5","6","6","10","3","1") = "9"
    & skf18("6","5","6","6","10","4","1") = "9"
    & skf18("6","5","6","6","10","5","1") = "9"
    & skf18("6","5","6","6","10","6","1") = "9"
    & skf18("6","5","6","6","10","7","1") = "9"
    & skf18("6","5","6","6","10","8","1") = "9"
    & skf18("6","5","6","6","10","9","1") = "9"
    & skf18("6","5","6","6","10","10","1") = "9"
    & skf18("6","5","6","7","1","1","1") = "6"
    & skf18("6","5","6","7","1","2","1") = "6"
    & skf18("6","5","6","7","1","3","1") = "6"
    & skf18("6","5","6","7","1","4","1") = "6"
    & skf18("6","5","6","7","1","5","1") = "6"
    & skf18("6","5","6","7","1","6","1") = "6"
    & skf18("6","5","6","7","1","7","1") = "6"
    & skf18("6","5","6","7","1","8","1") = "7"
    & skf18("6","5","6","7","1","9","1") = "8"
    & skf18("6","5","6","7","1","10","1") = "9"
    & skf18("6","5","6","7","2","1","1") = "6"
    & skf18("6","5","6","7","2","2","1") = "6"
    & skf18("6","5","6","7","2","3","1") = "6"
    & skf18("6","5","6","7","2","4","1") = "6"
    & skf18("6","5","6","7","2","5","1") = "6"
    & skf18("6","5","6","7","2","6","1") = "6"
    & skf18("6","5","6","7","2","7","1") = "6"
    & skf18("6","5","6","7","2","8","1") = "7"
    & skf18("6","5","6","7","2","9","1") = "8"
    & skf18("6","5","6","7","2","10","1") = "9"
    & skf18("6","5","6","7","3","1","1") = "6"
    & skf18("6","5","6","7","3","2","1") = "6"
    & skf18("6","5","6","7","3","3","1") = "6"
    & skf18("6","5","6","7","3","4","1") = "6"
    & skf18("6","5","6","7","3","5","1") = "6"
    & skf18("6","5","6","7","3","6","1") = "6"
    & skf18("6","5","6","7","3","7","1") = "6"
    & skf18("6","5","6","7","3","8","1") = "7"
    & skf18("6","5","6","7","3","9","1") = "8"
    & skf18("6","5","6","7","3","10","1") = "9"
    & skf18("6","5","6","7","4","1","1") = "6"
    & skf18("6","5","6","7","4","2","1") = "6"
    & skf18("6","5","6","7","4","3","1") = "6"
    & skf18("6","5","6","7","4","4","1") = "6"
    & skf18("6","5","6","7","4","5","1") = "6"
    & skf18("6","5","6","7","4","6","1") = "6"
    & skf18("6","5","6","7","4","7","1") = "6"
    & skf18("6","5","6","7","4","8","1") = "7"
    & skf18("6","5","6","7","4","9","1") = "8"
    & skf18("6","5","6","7","4","10","1") = "9"
    & skf18("6","5","6","7","5","1","1") = "6"
    & skf18("6","5","6","7","5","2","1") = "6"
    & skf18("6","5","6","7","5","3","1") = "6"
    & skf18("6","5","6","7","5","4","1") = "6"
    & skf18("6","5","6","7","5","5","1") = "6"
    & skf18("6","5","6","7","5","6","1") = "6"
    & skf18("6","5","6","7","5","7","1") = "6"
    & skf18("6","5","6","7","5","8","1") = "7"
    & skf18("6","5","6","7","5","9","1") = "8"
    & skf18("6","5","6","7","5","10","1") = "9"
    & skf18("6","5","6","7","6","1","1") = "6"
    & skf18("6","5","6","7","6","2","1") = "6"
    & skf18("6","5","6","7","6","3","1") = "6"
    & skf18("6","5","6","7","6","4","1") = "6"
    & skf18("6","5","6","7","6","5","1") = "6"
    & skf18("6","5","6","7","6","6","1") = "6"
    & skf18("6","5","6","7","6","7","1") = "6"
    & skf18("6","5","6","7","6","8","1") = "7"
    & skf18("6","5","6","7","6","9","1") = "8"
    & skf18("6","5","6","7","6","10","1") = "9"
    & skf18("6","5","6","7","7","1","1") = "6"
    & skf18("6","5","6","7","7","2","1") = "6"
    & skf18("6","5","6","7","7","3","1") = "6"
    & skf18("6","5","6","7","7","4","1") = "6"
    & skf18("6","5","6","7","7","5","1") = "6"
    & skf18("6","5","6","7","7","6","1") = "6"
    & skf18("6","5","6","7","7","7","1") = "6"
    & skf18("6","5","6","7","7","8","1") = "7"
    & skf18("6","5","6","7","7","9","1") = "8"
    & skf18("6","5","6","7","7","10","1") = "9"
    & skf18("6","5","6","7","8","1","1") = "7"
    & skf18("6","5","6","7","8","2","1") = "7"
    & skf18("6","5","6","7","8","3","1") = "7"
    & skf18("6","5","6","7","8","4","1") = "7"
    & skf18("6","5","6","7","8","5","1") = "7"
    & skf18("6","5","6","7","8","6","1") = "7"
    & skf18("6","5","6","7","8","7","1") = "7"
    & skf18("6","5","6","7","8","8","1") = "7"
    & skf18("6","5","6","7","8","9","1") = "8"
    & skf18("6","5","6","7","8","10","1") = "9"
    & skf18("6","5","6","7","9","1","1") = "8"
    & skf18("6","5","6","7","9","2","1") = "8"
    & skf18("6","5","6","7","9","3","1") = "8"
    & skf18("6","5","6","7","9","4","1") = "8"
    & skf18("6","5","6","7","9","5","1") = "8"
    & skf18("6","5","6","7","9","6","1") = "8"
    & skf18("6","5","6","7","9","7","1") = "8"
    & skf18("6","5","6","7","9","8","1") = "8"
    & skf18("6","5","6","7","9","9","1") = "8"
    & skf18("6","5","6","7","9","10","1") = "9"
    & skf18("6","5","6","7","10","1","1") = "9"
    & skf18("6","5","6","7","10","2","1") = "9"
    & skf18("6","5","6","7","10","3","1") = "9"
    & skf18("6","5","6","7","10","4","1") = "9"
    & skf18("6","5","6","7","10","5","1") = "9"
    & skf18("6","5","6","7","10","6","1") = "9"
    & skf18("6","5","6","7","10","7","1") = "9"
    & skf18("6","5","6","7","10","8","1") = "9"
    & skf18("6","5","6","7","10","9","1") = "9"
    & skf18("6","5","6","7","10","10","1") = "9"
    & skf18("6","5","6","8","1","1","1") = "7"
    & skf18("6","5","6","8","1","2","1") = "7"
    & skf18("6","5","6","8","1","3","1") = "7"
    & skf18("6","5","6","8","1","4","1") = "7"
    & skf18("6","5","6","8","1","5","1") = "7"
    & skf18("6","5","6","8","1","6","1") = "7"
    & skf18("6","5","6","8","1","7","1") = "7"
    & skf18("6","5","6","8","1","8","1") = "7"
    & skf18("6","5","6","8","1","9","1") = "8"
    & skf18("6","5","6","8","1","10","1") = "9"
    & skf18("6","5","6","8","2","1","1") = "7"
    & skf18("6","5","6","8","2","2","1") = "7"
    & skf18("6","5","6","8","2","3","1") = "7"
    & skf18("6","5","6","8","2","4","1") = "7"
    & skf18("6","5","6","8","2","5","1") = "7"
    & skf18("6","5","6","8","2","6","1") = "7"
    & skf18("6","5","6","8","2","7","1") = "7"
    & skf18("6","5","6","8","2","8","1") = "7"
    & skf18("6","5","6","8","2","9","1") = "8"
    & skf18("6","5","6","8","2","10","1") = "9"
    & skf18("6","5","6","8","3","1","1") = "7"
    & skf18("6","5","6","8","3","2","1") = "7"
    & skf18("6","5","6","8","3","3","1") = "7"
    & skf18("6","5","6","8","3","4","1") = "7"
    & skf18("6","5","6","8","3","5","1") = "7"
    & skf18("6","5","6","8","3","6","1") = "7"
    & skf18("6","5","6","8","3","7","1") = "7"
    & skf18("6","5","6","8","3","8","1") = "7"
    & skf18("6","5","6","8","3","9","1") = "8"
    & skf18("6","5","6","8","3","10","1") = "9"
    & skf18("6","5","6","8","4","1","1") = "7"
    & skf18("6","5","6","8","4","2","1") = "7"
    & skf18("6","5","6","8","4","3","1") = "7"
    & skf18("6","5","6","8","4","4","1") = "7"
    & skf18("6","5","6","8","4","5","1") = "7"
    & skf18("6","5","6","8","4","6","1") = "7"
    & skf18("6","5","6","8","4","7","1") = "7"
    & skf18("6","5","6","8","4","8","1") = "7"
    & skf18("6","5","6","8","4","9","1") = "8"
    & skf18("6","5","6","8","4","10","1") = "9"
    & skf18("6","5","6","8","5","1","1") = "7"
    & skf18("6","5","6","8","5","2","1") = "7"
    & skf18("6","5","6","8","5","3","1") = "7"
    & skf18("6","5","6","8","5","4","1") = "7"
    & skf18("6","5","6","8","5","5","1") = "7"
    & skf18("6","5","6","8","5","6","1") = "7"
    & skf18("6","5","6","8","5","7","1") = "7"
    & skf18("6","5","6","8","5","8","1") = "7"
    & skf18("6","5","6","8","5","9","1") = "8"
    & skf18("6","5","6","8","5","10","1") = "9"
    & skf18("6","5","6","8","6","1","1") = "7"
    & skf18("6","5","6","8","6","2","1") = "7"
    & skf18("6","5","6","8","6","3","1") = "7"
    & skf18("6","5","6","8","6","4","1") = "7"
    & skf18("6","5","6","8","6","5","1") = "7"
    & skf18("6","5","6","8","6","6","1") = "7"
    & skf18("6","5","6","8","6","7","1") = "7"
    & skf18("6","5","6","8","6","8","1") = "7"
    & skf18("6","5","6","8","6","9","1") = "8"
    & skf18("6","5","6","8","6","10","1") = "9"
    & skf18("6","5","6","8","7","1","1") = "7"
    & skf18("6","5","6","8","7","2","1") = "7"
    & skf18("6","5","6","8","7","3","1") = "7"
    & skf18("6","5","6","8","7","4","1") = "7"
    & skf18("6","5","6","8","7","5","1") = "7"
    & skf18("6","5","6","8","7","6","1") = "7"
    & skf18("6","5","6","8","7","7","1") = "7"
    & skf18("6","5","6","8","7","8","1") = "7"
    & skf18("6","5","6","8","7","9","1") = "8"
    & skf18("6","5","6","8","7","10","1") = "9"
    & skf18("6","5","6","8","8","1","1") = "7"
    & skf18("6","5","6","8","8","2","1") = "7"
    & skf18("6","5","6","8","8","3","1") = "7"
    & skf18("6","5","6","8","8","4","1") = "7"
    & skf18("6","5","6","8","8","5","1") = "7"
    & skf18("6","5","6","8","8","6","1") = "7"
    & skf18("6","5","6","8","8","7","1") = "7"
    & skf18("6","5","6","8","8","8","1") = "7"
    & skf18("6","5","6","8","8","9","1") = "8"
    & skf18("6","5","6","8","8","10","1") = "9"
    & skf18("6","5","6","8","9","1","1") = "8"
    & skf18("6","5","6","8","9","2","1") = "8"
    & skf18("6","5","6","8","9","3","1") = "8"
    & skf18("6","5","6","8","9","4","1") = "8"
    & skf18("6","5","6","8","9","5","1") = "8"
    & skf18("6","5","6","8","9","6","1") = "8"
    & skf18("6","5","6","8","9","7","1") = "8"
    & skf18("6","5","6","8","9","8","1") = "8"
    & skf18("6","5","6","8","9","9","1") = "8"
    & skf18("6","5","6","8","9","10","1") = "9"
    & skf18("6","5","6","8","10","1","1") = "9"
    & skf18("6","5","6","8","10","2","1") = "9"
    & skf18("6","5","6","8","10","3","1") = "9"
    & skf18("6","5","6","8","10","4","1") = "9"
    & skf18("6","5","6","8","10","5","1") = "9"
    & skf18("6","5","6","8","10","6","1") = "9"
    & skf18("6","5","6","8","10","7","1") = "9"
    & skf18("6","5","6","8","10","8","1") = "9"
    & skf18("6","5","6","8","10","9","1") = "9"
    & skf18("6","5","6","8","10","10","1") = "9"
    & skf18("6","5","6","9","1","1","1") = "8"
    & skf18("6","5","6","9","1","2","1") = "8"
    & skf18("6","5","6","9","1","3","1") = "8"
    & skf18("6","5","6","9","1","4","1") = "8"
    & skf18("6","5","6","9","1","5","1") = "8"
    & skf18("6","5","6","9","1","6","1") = "8"
    & skf18("6","5","6","9","1","7","1") = "8"
    & skf18("6","5","6","9","1","8","1") = "8"
    & skf18("6","5","6","9","1","9","1") = "8"
    & skf18("6","5","6","9","1","10","1") = "9"
    & skf18("6","5","6","9","2","1","1") = "8"
    & skf18("6","5","6","9","2","2","1") = "8"
    & skf18("6","5","6","9","2","3","1") = "8"
    & skf18("6","5","6","9","2","4","1") = "8"
    & skf18("6","5","6","9","2","5","1") = "8"
    & skf18("6","5","6","9","2","6","1") = "8"
    & skf18("6","5","6","9","2","7","1") = "8"
    & skf18("6","5","6","9","2","8","1") = "8"
    & skf18("6","5","6","9","2","9","1") = "8"
    & skf18("6","5","6","9","2","10","1") = "9"
    & skf18("6","5","6","9","3","1","1") = "8"
    & skf18("6","5","6","9","3","2","1") = "8"
    & skf18("6","5","6","9","3","3","1") = "8"
    & skf18("6","5","6","9","3","4","1") = "8"
    & skf18("6","5","6","9","3","5","1") = "8"
    & skf18("6","5","6","9","3","6","1") = "8"
    & skf18("6","5","6","9","3","7","1") = "8"
    & skf18("6","5","6","9","3","8","1") = "8"
    & skf18("6","5","6","9","3","9","1") = "8"
    & skf18("6","5","6","9","3","10","1") = "9"
    & skf18("6","5","6","9","4","1","1") = "8"
    & skf18("6","5","6","9","4","2","1") = "8"
    & skf18("6","5","6","9","4","3","1") = "8"
    & skf18("6","5","6","9","4","4","1") = "8"
    & skf18("6","5","6","9","4","5","1") = "8"
    & skf18("6","5","6","9","4","6","1") = "8"
    & skf18("6","5","6","9","4","7","1") = "8"
    & skf18("6","5","6","9","4","8","1") = "8"
    & skf18("6","5","6","9","4","9","1") = "8"
    & skf18("6","5","6","9","4","10","1") = "9"
    & skf18("6","5","6","9","5","1","1") = "8"
    & skf18("6","5","6","9","5","2","1") = "8"
    & skf18("6","5","6","9","5","3","1") = "8"
    & skf18("6","5","6","9","5","4","1") = "8"
    & skf18("6","5","6","9","5","5","1") = "8"
    & skf18("6","5","6","9","5","6","1") = "8"
    & skf18("6","5","6","9","5","7","1") = "8"
    & skf18("6","5","6","9","5","8","1") = "8"
    & skf18("6","5","6","9","5","9","1") = "8"
    & skf18("6","5","6","9","5","10","1") = "9"
    & skf18("6","5","6","9","6","1","1") = "8"
    & skf18("6","5","6","9","6","2","1") = "8"
    & skf18("6","5","6","9","6","3","1") = "8"
    & skf18("6","5","6","9","6","4","1") = "8"
    & skf18("6","5","6","9","6","5","1") = "8"
    & skf18("6","5","6","9","6","6","1") = "8"
    & skf18("6","5","6","9","6","7","1") = "8"
    & skf18("6","5","6","9","6","8","1") = "8"
    & skf18("6","5","6","9","6","9","1") = "8"
    & skf18("6","5","6","9","6","10","1") = "9"
    & skf18("6","5","6","9","7","1","1") = "8"
    & skf18("6","5","6","9","7","2","1") = "8"
    & skf18("6","5","6","9","7","3","1") = "8"
    & skf18("6","5","6","9","7","4","1") = "8"
    & skf18("6","5","6","9","7","5","1") = "8"
    & skf18("6","5","6","9","7","6","1") = "8"
    & skf18("6","5","6","9","7","7","1") = "8"
    & skf18("6","5","6","9","7","8","1") = "8"
    & skf18("6","5","6","9","7","9","1") = "8"
    & skf18("6","5","6","9","7","10","1") = "9"
    & skf18("6","5","6","9","8","1","1") = "8"
    & skf18("6","5","6","9","8","2","1") = "8"
    & skf18("6","5","6","9","8","3","1") = "8"
    & skf18("6","5","6","9","8","4","1") = "8"
    & skf18("6","5","6","9","8","5","1") = "8"
    & skf18("6","5","6","9","8","6","1") = "8"
    & skf18("6","5","6","9","8","7","1") = "8"
    & skf18("6","5","6","9","8","8","1") = "8"
    & skf18("6","5","6","9","8","9","1") = "8"
    & skf18("6","5","6","9","8","10","1") = "9"
    & skf18("6","5","6","9","9","1","1") = "8"
    & skf18("6","5","6","9","9","2","1") = "8"
    & skf18("6","5","6","9","9","3","1") = "8"
    & skf18("6","5","6","9","9","4","1") = "8"
    & skf18("6","5","6","9","9","5","1") = "8"
    & skf18("6","5","6","9","9","6","1") = "8"
    & skf18("6","5","6","9","9","7","1") = "8"
    & skf18("6","5","6","9","9","8","1") = "8"
    & skf18("6","5","6","9","9","9","1") = "8"
    & skf18("6","5","6","9","9","10","1") = "9"
    & skf18("6","5","6","9","10","1","1") = "9"
    & skf18("6","5","6","9","10","2","1") = "9"
    & skf18("6","5","6","9","10","3","1") = "9"
    & skf18("6","5","6","9","10","4","1") = "9"
    & skf18("6","5","6","9","10","5","1") = "9"
    & skf18("6","5","6","9","10","6","1") = "9"
    & skf18("6","5","6","9","10","7","1") = "9"
    & skf18("6","5","6","9","10","8","1") = "9"
    & skf18("6","5","6","9","10","9","1") = "9"
    & skf18("6","5","6","9","10","10","1") = "9"
    & skf18("6","5","6","10","1","1","1") = "9"
    & skf18("6","5","6","10","1","2","1") = "9"
    & skf18("6","5","6","10","1","3","1") = "9"
    & skf18("6","5","6","10","1","4","1") = "9"
    & skf18("6","5","6","10","1","5","1") = "9"
    & skf18("6","5","6","10","1","6","1") = "9"
    & skf18("6","5","6","10","1","7","1") = "9"
    & skf18("6","5","6","10","1","8","1") = "9"
    & skf18("6","5","6","10","1","9","1") = "9"
    & skf18("6","5","6","10","1","10","1") = "9"
    & skf18("6","5","6","10","2","1","1") = "9"
    & skf18("6","5","6","10","2","2","1") = "9"
    & skf18("6","5","6","10","2","3","1") = "9"
    & skf18("6","5","6","10","2","4","1") = "9"
    & skf18("6","5","6","10","2","5","1") = "9"
    & skf18("6","5","6","10","2","6","1") = "9"
    & skf18("6","5","6","10","2","7","1") = "9"
    & skf18("6","5","6","10","2","8","1") = "9"
    & skf18("6","5","6","10","2","9","1") = "9"
    & skf18("6","5","6","10","2","10","1") = "9"
    & skf18("6","5","6","10","3","1","1") = "9"
    & skf18("6","5","6","10","3","2","1") = "9"
    & skf18("6","5","6","10","3","3","1") = "9"
    & skf18("6","5","6","10","3","4","1") = "9"
    & skf18("6","5","6","10","3","5","1") = "9"
    & skf18("6","5","6","10","3","6","1") = "9"
    & skf18("6","5","6","10","3","7","1") = "9"
    & skf18("6","5","6","10","3","8","1") = "9"
    & skf18("6","5","6","10","3","9","1") = "9"
    & skf18("6","5","6","10","3","10","1") = "9"
    & skf18("6","5","6","10","4","1","1") = "9"
    & skf18("6","5","6","10","4","2","1") = "9"
    & skf18("6","5","6","10","4","3","1") = "9"
    & skf18("6","5","6","10","4","4","1") = "9"
    & skf18("6","5","6","10","4","5","1") = "9"
    & skf18("6","5","6","10","4","6","1") = "9"
    & skf18("6","5","6","10","4","7","1") = "9"
    & skf18("6","5","6","10","4","8","1") = "9"
    & skf18("6","5","6","10","4","9","1") = "9"
    & skf18("6","5","6","10","4","10","1") = "9"
    & skf18("6","5","6","10","5","1","1") = "9"
    & skf18("6","5","6","10","5","2","1") = "9"
    & skf18("6","5","6","10","5","3","1") = "9"
    & skf18("6","5","6","10","5","4","1") = "9"
    & skf18("6","5","6","10","5","5","1") = "9"
    & skf18("6","5","6","10","5","6","1") = "9"
    & skf18("6","5","6","10","5","7","1") = "9"
    & skf18("6","5","6","10","5","8","1") = "9"
    & skf18("6","5","6","10","5","9","1") = "9"
    & skf18("6","5","6","10","5","10","1") = "9"
    & skf18("6","5","6","10","6","1","1") = "9"
    & skf18("6","5","6","10","6","2","1") = "9"
    & skf18("6","5","6","10","6","3","1") = "9"
    & skf18("6","5","6","10","6","4","1") = "9"
    & skf18("6","5","6","10","6","5","1") = "9"
    & skf18("6","5","6","10","6","6","1") = "9"
    & skf18("6","5","6","10","6","7","1") = "9"
    & skf18("6","5","6","10","6","8","1") = "9"
    & skf18("6","5","6","10","6","9","1") = "9"
    & skf18("6","5","6","10","6","10","1") = "9"
    & skf18("6","5","6","10","7","1","1") = "9"
    & skf18("6","5","6","10","7","2","1") = "9"
    & skf18("6","5","6","10","7","3","1") = "9"
    & skf18("6","5","6","10","7","4","1") = "9"
    & skf18("6","5","6","10","7","5","1") = "9"
    & skf18("6","5","6","10","7","6","1") = "9"
    & skf18("6","5","6","10","7","7","1") = "9"
    & skf18("6","5","6","10","7","8","1") = "9"
    & skf18("6","5","6","10","7","9","1") = "9"
    & skf18("6","5","6","10","7","10","1") = "9"
    & skf18("6","5","6","10","8","1","1") = "9"
    & skf18("6","5","6","10","8","2","1") = "9"
    & skf18("6","5","6","10","8","3","1") = "9"
    & skf18("6","5","6","10","8","4","1") = "9"
    & skf18("6","5","6","10","8","5","1") = "9"
    & skf18("6","5","6","10","8","6","1") = "9"
    & skf18("6","5","6","10","8","7","1") = "9"
    & skf18("6","5","6","10","8","8","1") = "9"
    & skf18("6","5","6","10","8","9","1") = "9"
    & skf18("6","5","6","10","8","10","1") = "9"
    & skf18("6","5","6","10","9","1","1") = "9"
    & skf18("6","5","6","10","9","2","1") = "9"
    & skf18("6","5","6","10","9","3","1") = "9"
    & skf18("6","5","6","10","9","4","1") = "9"
    & skf18("6","5","6","10","9","5","1") = "9"
    & skf18("6","5","6","10","9","6","1") = "9"
    & skf18("6","5","6","10","9","7","1") = "9"
    & skf18("6","5","6","10","9","8","1") = "9"
    & skf18("6","5","6","10","9","9","1") = "9"
    & skf18("6","5","6","10","9","10","1") = "9"
    & skf18("6","5","6","10","10","1","1") = "9"
    & skf18("6","5","6","10","10","2","1") = "9"
    & skf18("6","5","6","10","10","3","1") = "9"
    & skf18("6","5","6","10","10","4","1") = "9"
    & skf18("6","5","6","10","10","5","1") = "9"
    & skf18("6","5","6","10","10","6","1") = "9"
    & skf18("6","5","6","10","10","7","1") = "9"
    & skf18("6","5","6","10","10","8","1") = "9"
    & skf18("6","5","6","10","10","9","1") = "9"
    & skf18("6","5","6","10","10","10","1") = "9"
    & skf18("6","5","7","1","1","1","1") = "6"
    & skf18("6","5","7","1","1","2","1") = "6"
    & skf18("6","5","7","1","1","3","1") = "6"
    & skf18("6","5","7","1","1","4","1") = "6"
    & skf18("6","5","7","1","1","5","1") = "6"
    & skf18("6","5","7","1","1","6","1") = "6"
    & skf18("6","5","7","1","1","7","1") = "6"
    & skf18("6","5","7","1","1","8","1") = "7"
    & skf18("6","5","7","1","1","9","1") = "8"
    & skf18("6","5","7","1","1","10","1") = "9"
    & skf18("6","5","7","1","2","1","1") = "6"
    & skf18("6","5","7","1","2","2","1") = "6"
    & skf18("6","5","7","1","2","3","1") = "6"
    & skf18("6","5","7","1","2","4","1") = "6"
    & skf18("6","5","7","1","2","5","1") = "6"
    & skf18("6","5","7","1","2","6","1") = "6"
    & skf18("6","5","7","1","2","7","1") = "6"
    & skf18("6","5","7","1","2","8","1") = "7"
    & skf18("6","5","7","1","2","9","1") = "8"
    & skf18("6","5","7","1","2","10","1") = "9"
    & skf18("6","5","7","1","3","1","1") = "6"
    & skf18("6","5","7","1","3","2","1") = "6"
    & skf18("6","5","7","1","3","3","1") = "6"
    & skf18("6","5","7","1","3","4","1") = "6"
    & skf18("6","5","7","1","3","5","1") = "6"
    & skf18("6","5","7","1","3","6","1") = "6"
    & skf18("6","5","7","1","3","7","1") = "6"
    & skf18("6","5","7","1","3","8","1") = "7"
    & skf18("6","5","7","1","3","9","1") = "8"
    & skf18("6","5","7","1","3","10","1") = "9"
    & skf18("6","5","7","1","4","1","1") = "6"
    & skf18("6","5","7","1","4","2","1") = "6"
    & skf18("6","5","7","1","4","3","1") = "6"
    & skf18("6","5","7","1","4","4","1") = "6"
    & skf18("6","5","7","1","4","5","1") = "6"
    & skf18("6","5","7","1","4","6","1") = "6"
    & skf18("6","5","7","1","4","7","1") = "6"
    & skf18("6","5","7","1","4","8","1") = "7"
    & skf18("6","5","7","1","4","9","1") = "8"
    & skf18("6","5","7","1","4","10","1") = "9"
    & skf18("6","5","7","1","5","1","1") = "6"
    & skf18("6","5","7","1","5","2","1") = "6"
    & skf18("6","5","7","1","5","3","1") = "6"
    & skf18("6","5","7","1","5","4","1") = "6"
    & skf18("6","5","7","1","5","5","1") = "6"
    & skf18("6","5","7","1","5","6","1") = "6"
    & skf18("6","5","7","1","5","7","1") = "6"
    & skf18("6","5","7","1","5","8","1") = "7"
    & skf18("6","5","7","1","5","9","1") = "8"
    & skf18("6","5","7","1","5","10","1") = "9"
    & skf18("6","5","7","1","6","1","1") = "6"
    & skf18("6","5","7","1","6","2","1") = "6"
    & skf18("6","5","7","1","6","3","1") = "6"
    & skf18("6","5","7","1","6","4","1") = "6"
    & skf18("6","5","7","1","6","5","1") = "6"
    & skf18("6","5","7","1","6","6","1") = "6"
    & skf18("6","5","7","1","6","7","1") = "6"
    & skf18("6","5","7","1","6","8","1") = "7"
    & skf18("6","5","7","1","6","9","1") = "8"
    & skf18("6","5","7","1","6","10","1") = "9"
    & skf18("6","5","7","1","7","1","1") = "6"
    & skf18("6","5","7","1","7","2","1") = "6"
    & skf18("6","5","7","1","7","3","1") = "6"
    & skf18("6","5","7","1","7","4","1") = "6"
    & skf18("6","5","7","1","7","5","1") = "6"
    & skf18("6","5","7","1","7","6","1") = "6"
    & skf18("6","5","7","1","7","7","1") = "6"
    & skf18("6","5","7","1","7","8","1") = "7"
    & skf18("6","5","7","1","7","9","1") = "8"
    & skf18("6","5","7","1","7","10","1") = "9"
    & skf18("6","5","7","1","8","1","1") = "7"
    & skf18("6","5","7","1","8","2","1") = "7"
    & skf18("6","5","7","1","8","3","1") = "7"
    & skf18("6","5","7","1","8","4","1") = "7"
    & skf18("6","5","7","1","8","5","1") = "7"
    & skf18("6","5","7","1","8","6","1") = "7"
    & skf18("6","5","7","1","8","7","1") = "7"
    & skf18("6","5","7","1","8","8","1") = "7"
    & skf18("6","5","7","1","8","9","1") = "8"
    & skf18("6","5","7","1","8","10","1") = "9"
    & skf18("6","5","7","1","9","1","1") = "8"
    & skf18("6","5","7","1","9","2","1") = "8"
    & skf18("6","5","7","1","9","3","1") = "8"
    & skf18("6","5","7","1","9","4","1") = "8"
    & skf18("6","5","7","1","9","5","1") = "8"
    & skf18("6","5","7","1","9","6","1") = "8"
    & skf18("6","5","7","1","9","7","1") = "8"
    & skf18("6","5","7","1","9","8","1") = "8"
    & skf18("6","5","7","1","9","9","1") = "8"
    & skf18("6","5","7","1","9","10","1") = "9"
    & skf18("6","5","7","1","10","1","1") = "9"
    & skf18("6","5","7","1","10","2","1") = "9"
    & skf18("6","5","7","1","10","3","1") = "9"
    & skf18("6","5","7","1","10","4","1") = "9"
    & skf18("6","5","7","1","10","5","1") = "9"
    & skf18("6","5","7","1","10","6","1") = "9"
    & skf18("6","5","7","1","10","7","1") = "9"
    & skf18("6","5","7","1","10","8","1") = "9"
    & skf18("6","5","7","1","10","9","1") = "9"
    & skf18("6","5","7","1","10","10","1") = "9"
    & skf18("6","5","7","2","1","1","1") = "6"
    & skf18("6","5","7","2","1","2","1") = "6"
    & skf18("6","5","7","2","1","3","1") = "6"
    & skf18("6","5","7","2","1","4","1") = "6"
    & skf18("6","5","7","2","1","5","1") = "6"
    & skf18("6","5","7","2","1","6","1") = "6"
    & skf18("6","5","7","2","1","7","1") = "6"
    & skf18("6","5","7","2","1","8","1") = "7"
    & skf18("6","5","7","2","1","9","1") = "8"
    & skf18("6","5","7","2","1","10","1") = "9"
    & skf18("6","5","7","2","2","1","1") = "6"
    & skf18("6","5","7","2","2","2","1") = "6"
    & skf18("6","5","7","2","2","3","1") = "6"
    & skf18("6","5","7","2","2","4","1") = "6"
    & skf18("6","5","7","2","2","5","1") = "6"
    & skf18("6","5","7","2","2","6","1") = "6"
    & skf18("6","5","7","2","2","7","1") = "6"
    & skf18("6","5","7","2","2","8","1") = "7"
    & skf18("6","5","7","2","2","9","1") = "8"
    & skf18("6","5","7","2","2","10","1") = "9"
    & skf18("6","5","7","2","3","1","1") = "6"
    & skf18("6","5","7","2","3","2","1") = "6"
    & skf18("6","5","7","2","3","3","1") = "6"
    & skf18("6","5","7","2","3","4","1") = "6"
    & skf18("6","5","7","2","3","5","1") = "6"
    & skf18("6","5","7","2","3","6","1") = "6"
    & skf18("6","5","7","2","3","7","1") = "6"
    & skf18("6","5","7","2","3","8","1") = "7"
    & skf18("6","5","7","2","3","9","1") = "8"
    & skf18("6","5","7","2","3","10","1") = "9"
    & skf18("6","5","7","2","4","1","1") = "6"
    & skf18("6","5","7","2","4","2","1") = "6"
    & skf18("6","5","7","2","4","3","1") = "6"
    & skf18("6","5","7","2","4","4","1") = "6"
    & skf18("6","5","7","2","4","5","1") = "6"
    & skf18("6","5","7","2","4","6","1") = "6"
    & skf18("6","5","7","2","4","7","1") = "6"
    & skf18("6","5","7","2","4","8","1") = "7"
    & skf18("6","5","7","2","4","9","1") = "8"
    & skf18("6","5","7","2","4","10","1") = "9"
    & skf18("6","5","7","2","5","1","1") = "6"
    & skf18("6","5","7","2","5","2","1") = "6"
    & skf18("6","5","7","2","5","3","1") = "6"
    & skf18("6","5","7","2","5","4","1") = "6"
    & skf18("6","5","7","2","5","5","1") = "6"
    & skf18("6","5","7","2","5","6","1") = "6"
    & skf18("6","5","7","2","5","7","1") = "6"
    & skf18("6","5","7","2","5","8","1") = "7"
    & skf18("6","5","7","2","5","9","1") = "8"
    & skf18("6","5","7","2","5","10","1") = "9"
    & skf18("6","5","7","2","6","1","1") = "6"
    & skf18("6","5","7","2","6","2","1") = "6"
    & skf18("6","5","7","2","6","3","1") = "6"
    & skf18("6","5","7","2","6","4","1") = "6"
    & skf18("6","5","7","2","6","5","1") = "6"
    & skf18("6","5","7","2","6","6","1") = "6"
    & skf18("6","5","7","2","6","7","1") = "6"
    & skf18("6","5","7","2","6","8","1") = "7"
    & skf18("6","5","7","2","6","9","1") = "8"
    & skf18("6","5","7","2","6","10","1") = "9"
    & skf18("6","5","7","2","7","1","1") = "6"
    & skf18("6","5","7","2","7","2","1") = "6"
    & skf18("6","5","7","2","7","3","1") = "6"
    & skf18("6","5","7","2","7","4","1") = "6"
    & skf18("6","5","7","2","7","5","1") = "6"
    & skf18("6","5","7","2","7","6","1") = "6"
    & skf18("6","5","7","2","7","7","1") = "6"
    & skf18("6","5","7","2","7","8","1") = "7"
    & skf18("6","5","7","2","7","9","1") = "8"
    & skf18("6","5","7","2","7","10","1") = "9"
    & skf18("6","5","7","2","8","1","1") = "7"
    & skf18("6","5","7","2","8","2","1") = "7"
    & skf18("6","5","7","2","8","3","1") = "7"
    & skf18("6","5","7","2","8","4","1") = "7"
    & skf18("6","5","7","2","8","5","1") = "7"
    & skf18("6","5","7","2","8","6","1") = "7"
    & skf18("6","5","7","2","8","7","1") = "7"
    & skf18("6","5","7","2","8","8","1") = "7"
    & skf18("6","5","7","2","8","9","1") = "8"
    & skf18("6","5","7","2","8","10","1") = "9"
    & skf18("6","5","7","2","9","1","1") = "8"
    & skf18("6","5","7","2","9","2","1") = "8"
    & skf18("6","5","7","2","9","3","1") = "8"
    & skf18("6","5","7","2","9","4","1") = "8"
    & skf18("6","5","7","2","9","5","1") = "8"
    & skf18("6","5","7","2","9","6","1") = "8"
    & skf18("6","5","7","2","9","7","1") = "8"
    & skf18("6","5","7","2","9","8","1") = "8"
    & skf18("6","5","7","2","9","9","1") = "8"
    & skf18("6","5","7","2","9","10","1") = "9"
    & skf18("6","5","7","2","10","1","1") = "9"
    & skf18("6","5","7","2","10","2","1") = "9"
    & skf18("6","5","7","2","10","3","1") = "9"
    & skf18("6","5","7","2","10","4","1") = "9"
    & skf18("6","5","7","2","10","5","1") = "9"
    & skf18("6","5","7","2","10","6","1") = "9"
    & skf18("6","5","7","2","10","7","1") = "9"
    & skf18("6","5","7","2","10","8","1") = "9"
    & skf18("6","5","7","2","10","9","1") = "9"
    & skf18("6","5","7","2","10","10","1") = "9"
    & skf18("6","5","7","3","1","1","1") = "6"
    & skf18("6","5","7","3","1","2","1") = "6"
    & skf18("6","5","7","3","1","3","1") = "6"
    & skf18("6","5","7","3","1","4","1") = "6"
    & skf18("6","5","7","3","1","5","1") = "6"
    & skf18("6","5","7","3","1","6","1") = "6"
    & skf18("6","5","7","3","1","7","1") = "6"
    & skf18("6","5","7","3","1","8","1") = "7"
    & skf18("6","5","7","3","1","9","1") = "8"
    & skf18("6","5","7","3","1","10","1") = "9"
    & skf18("6","5","7","3","2","1","1") = "6"
    & skf18("6","5","7","3","2","2","1") = "6"
    & skf18("6","5","7","3","2","3","1") = "6"
    & skf18("6","5","7","3","2","4","1") = "6"
    & skf18("6","5","7","3","2","5","1") = "6"
    & skf18("6","5","7","3","2","6","1") = "6"
    & skf18("6","5","7","3","2","7","1") = "6"
    & skf18("6","5","7","3","2","8","1") = "7"
    & skf18("6","5","7","3","2","9","1") = "8"
    & skf18("6","5","7","3","2","10","1") = "9"
    & skf18("6","5","7","3","3","1","1") = "6"
    & skf18("6","5","7","3","3","2","1") = "6"
    & skf18("6","5","7","3","3","3","1") = "6"
    & skf18("6","5","7","3","3","4","1") = "6"
    & skf18("6","5","7","3","3","5","1") = "6"
    & skf18("6","5","7","3","3","6","1") = "6"
    & skf18("6","5","7","3","3","7","1") = "6"
    & skf18("6","5","7","3","3","8","1") = "7"
    & skf18("6","5","7","3","3","9","1") = "8"
    & skf18("6","5","7","3","3","10","1") = "9"
    & skf18("6","5","7","3","4","1","1") = "6"
    & skf18("6","5","7","3","4","2","1") = "6"
    & skf18("6","5","7","3","4","3","1") = "6"
    & skf18("6","5","7","3","4","4","1") = "6"
    & skf18("6","5","7","3","4","5","1") = "6"
    & skf18("6","5","7","3","4","6","1") = "6"
    & skf18("6","5","7","3","4","7","1") = "6"
    & skf18("6","5","7","3","4","8","1") = "7"
    & skf18("6","5","7","3","4","9","1") = "8"
    & skf18("6","5","7","3","4","10","1") = "9"
    & skf18("6","5","7","3","5","1","1") = "6"
    & skf18("6","5","7","3","5","2","1") = "6"
    & skf18("6","5","7","3","5","3","1") = "6"
    & skf18("6","5","7","3","5","4","1") = "6"
    & skf18("6","5","7","3","5","5","1") = "6"
    & skf18("6","5","7","3","5","6","1") = "6"
    & skf18("6","5","7","3","5","7","1") = "6"
    & skf18("6","5","7","3","5","8","1") = "7"
    & skf18("6","5","7","3","5","9","1") = "8"
    & skf18("6","5","7","3","5","10","1") = "9"
    & skf18("6","5","7","3","6","1","1") = "6"
    & skf18("6","5","7","3","6","2","1") = "6"
    & skf18("6","5","7","3","6","3","1") = "6"
    & skf18("6","5","7","3","6","4","1") = "6"
    & skf18("6","5","7","3","6","5","1") = "6"
    & skf18("6","5","7","3","6","6","1") = "6"
    & skf18("6","5","7","3","6","7","1") = "6"
    & skf18("6","5","7","3","6","8","1") = "7"
    & skf18("6","5","7","3","6","9","1") = "8"
    & skf18("6","5","7","3","6","10","1") = "9"
    & skf18("6","5","7","3","7","1","1") = "6"
    & skf18("6","5","7","3","7","2","1") = "6"
    & skf18("6","5","7","3","7","3","1") = "6"
    & skf18("6","5","7","3","7","4","1") = "6"
    & skf18("6","5","7","3","7","5","1") = "6"
    & skf18("6","5","7","3","7","6","1") = "6"
    & skf18("6","5","7","3","7","7","1") = "6"
    & skf18("6","5","7","3","7","8","1") = "7"
    & skf18("6","5","7","3","7","9","1") = "8"
    & skf18("6","5","7","3","7","10","1") = "9"
    & skf18("6","5","7","3","8","1","1") = "7"
    & skf18("6","5","7","3","8","2","1") = "7"
    & skf18("6","5","7","3","8","3","1") = "7"
    & skf18("6","5","7","3","8","4","1") = "7"
    & skf18("6","5","7","3","8","5","1") = "7"
    & skf18("6","5","7","3","8","6","1") = "7"
    & skf18("6","5","7","3","8","7","1") = "7"
    & skf18("6","5","7","3","8","8","1") = "7"
    & skf18("6","5","7","3","8","9","1") = "8"
    & skf18("6","5","7","3","8","10","1") = "9"
    & skf18("6","5","7","3","9","1","1") = "8"
    & skf18("6","5","7","3","9","2","1") = "8"
    & skf18("6","5","7","3","9","3","1") = "8"
    & skf18("6","5","7","3","9","4","1") = "8"
    & skf18("6","5","7","3","9","5","1") = "8"
    & skf18("6","5","7","3","9","6","1") = "8"
    & skf18("6","5","7","3","9","7","1") = "8"
    & skf18("6","5","7","3","9","8","1") = "8"
    & skf18("6","5","7","3","9","9","1") = "8"
    & skf18("6","5","7","3","9","10","1") = "9"
    & skf18("6","5","7","3","10","1","1") = "9"
    & skf18("6","5","7","3","10","2","1") = "9"
    & skf18("6","5","7","3","10","3","1") = "9"
    & skf18("6","5","7","3","10","4","1") = "9"
    & skf18("6","5","7","3","10","5","1") = "9"
    & skf18("6","5","7","3","10","6","1") = "9"
    & skf18("6","5","7","3","10","7","1") = "9"
    & skf18("6","5","7","3","10","8","1") = "9"
    & skf18("6","5","7","3","10","9","1") = "9"
    & skf18("6","5","7","3","10","10","1") = "9"
    & skf18("6","5","7","4","1","1","1") = "6"
    & skf18("6","5","7","4","1","2","1") = "6"
    & skf18("6","5","7","4","1","3","1") = "6"
    & skf18("6","5","7","4","1","4","1") = "6"
    & skf18("6","5","7","4","1","5","1") = "6"
    & skf18("6","5","7","4","1","6","1") = "6"
    & skf18("6","5","7","4","1","7","1") = "6"
    & skf18("6","5","7","4","1","8","1") = "7"
    & skf18("6","5","7","4","1","9","1") = "8"
    & skf18("6","5","7","4","1","10","1") = "9"
    & skf18("6","5","7","4","2","1","1") = "6"
    & skf18("6","5","7","4","2","2","1") = "6"
    & skf18("6","5","7","4","2","3","1") = "6"
    & skf18("6","5","7","4","2","4","1") = "6"
    & skf18("6","5","7","4","2","5","1") = "6"
    & skf18("6","5","7","4","2","6","1") = "6"
    & skf18("6","5","7","4","2","7","1") = "6"
    & skf18("6","5","7","4","2","8","1") = "7"
    & skf18("6","5","7","4","2","9","1") = "8"
    & skf18("6","5","7","4","2","10","1") = "9"
    & skf18("6","5","7","4","3","1","1") = "6"
    & skf18("6","5","7","4","3","2","1") = "6"
    & skf18("6","5","7","4","3","3","1") = "6"
    & skf18("6","5","7","4","3","4","1") = "6"
    & skf18("6","5","7","4","3","5","1") = "6"
    & skf18("6","5","7","4","3","6","1") = "6"
    & skf18("6","5","7","4","3","7","1") = "6"
    & skf18("6","5","7","4","3","8","1") = "7"
    & skf18("6","5","7","4","3","9","1") = "8"
    & skf18("6","5","7","4","3","10","1") = "9"
    & skf18("6","5","7","4","4","1","1") = "6"
    & skf18("6","5","7","4","4","2","1") = "6"
    & skf18("6","5","7","4","4","3","1") = "6"
    & skf18("6","5","7","4","4","4","1") = "6"
    & skf18("6","5","7","4","4","5","1") = "6"
    & skf18("6","5","7","4","4","6","1") = "6"
    & skf18("6","5","7","4","4","7","1") = "6"
    & skf18("6","5","7","4","4","8","1") = "7"
    & skf18("6","5","7","4","4","9","1") = "8"
    & skf18("6","5","7","4","4","10","1") = "9"
    & skf18("6","5","7","4","5","1","1") = "6"
    & skf18("6","5","7","4","5","2","1") = "6"
    & skf18("6","5","7","4","5","3","1") = "6"
    & skf18("6","5","7","4","5","4","1") = "6"
    & skf18("6","5","7","4","5","5","1") = "6"
    & skf18("6","5","7","4","5","6","1") = "6"
    & skf18("6","5","7","4","5","7","1") = "6"
    & skf18("6","5","7","4","5","8","1") = "7"
    & skf18("6","5","7","4","5","9","1") = "8"
    & skf18("6","5","7","4","5","10","1") = "9"
    & skf18("6","5","7","4","6","1","1") = "6"
    & skf18("6","5","7","4","6","2","1") = "6"
    & skf18("6","5","7","4","6","3","1") = "6"
    & skf18("6","5","7","4","6","4","1") = "6"
    & skf18("6","5","7","4","6","5","1") = "6"
    & skf18("6","5","7","4","6","6","1") = "6"
    & skf18("6","5","7","4","6","7","1") = "6"
    & skf18("6","5","7","4","6","8","1") = "7"
    & skf18("6","5","7","4","6","9","1") = "8"
    & skf18("6","5","7","4","6","10","1") = "9"
    & skf18("6","5","7","4","7","1","1") = "6"
    & skf18("6","5","7","4","7","2","1") = "6"
    & skf18("6","5","7","4","7","3","1") = "6"
    & skf18("6","5","7","4","7","4","1") = "6"
    & skf18("6","5","7","4","7","5","1") = "6"
    & skf18("6","5","7","4","7","6","1") = "6"
    & skf18("6","5","7","4","7","7","1") = "6"
    & skf18("6","5","7","4","7","8","1") = "7"
    & skf18("6","5","7","4","7","9","1") = "8"
    & skf18("6","5","7","4","7","10","1") = "9"
    & skf18("6","5","7","4","8","1","1") = "7"
    & skf18("6","5","7","4","8","2","1") = "7"
    & skf18("6","5","7","4","8","3","1") = "7"
    & skf18("6","5","7","4","8","4","1") = "7"
    & skf18("6","5","7","4","8","5","1") = "7"
    & skf18("6","5","7","4","8","6","1") = "7"
    & skf18("6","5","7","4","8","7","1") = "7"
    & skf18("6","5","7","4","8","8","1") = "7"
    & skf18("6","5","7","4","8","9","1") = "8"
    & skf18("6","5","7","4","8","10","1") = "9"
    & skf18("6","5","7","4","9","1","1") = "8"
    & skf18("6","5","7","4","9","2","1") = "8"
    & skf18("6","5","7","4","9","3","1") = "8"
    & skf18("6","5","7","4","9","4","1") = "8"
    & skf18("6","5","7","4","9","5","1") = "8"
    & skf18("6","5","7","4","9","6","1") = "8"
    & skf18("6","5","7","4","9","7","1") = "8"
    & skf18("6","5","7","4","9","8","1") = "8"
    & skf18("6","5","7","4","9","9","1") = "8"
    & skf18("6","5","7","4","9","10","1") = "9"
    & skf18("6","5","7","4","10","1","1") = "9"
    & skf18("6","5","7","4","10","2","1") = "9"
    & skf18("6","5","7","4","10","3","1") = "9"
    & skf18("6","5","7","4","10","4","1") = "9"
    & skf18("6","5","7","4","10","5","1") = "9"
    & skf18("6","5","7","4","10","6","1") = "9"
    & skf18("6","5","7","4","10","7","1") = "9"
    & skf18("6","5","7","4","10","8","1") = "9"
    & skf18("6","5","7","4","10","9","1") = "9"
    & skf18("6","5","7","4","10","10","1") = "9"
    & skf18("6","5","7","5","1","1","1") = "6"
    & skf18("6","5","7","5","1","2","1") = "6"
    & skf18("6","5","7","5","1","3","1") = "6"
    & skf18("6","5","7","5","1","4","1") = "6"
    & skf18("6","5","7","5","1","5","1") = "6"
    & skf18("6","5","7","5","1","6","1") = "6"
    & skf18("6","5","7","5","1","7","1") = "6"
    & skf18("6","5","7","5","1","8","1") = "7"
    & skf18("6","5","7","5","1","9","1") = "8"
    & skf18("6","5","7","5","1","10","1") = "9"
    & skf18("6","5","7","5","2","1","1") = "6"
    & skf18("6","5","7","5","2","2","1") = "6"
    & skf18("6","5","7","5","2","3","1") = "6"
    & skf18("6","5","7","5","2","4","1") = "6"
    & skf18("6","5","7","5","2","5","1") = "6"
    & skf18("6","5","7","5","2","6","1") = "6"
    & skf18("6","5","7","5","2","7","1") = "6"
    & skf18("6","5","7","5","2","8","1") = "7"
    & skf18("6","5","7","5","2","9","1") = "8"
    & skf18("6","5","7","5","2","10","1") = "9"
    & skf18("6","5","7","5","3","1","1") = "6"
    & skf18("6","5","7","5","3","2","1") = "6"
    & skf18("6","5","7","5","3","3","1") = "6"
    & skf18("6","5","7","5","3","4","1") = "6"
    & skf18("6","5","7","5","3","5","1") = "6"
    & skf18("6","5","7","5","3","6","1") = "6"
    & skf18("6","5","7","5","3","7","1") = "6"
    & skf18("6","5","7","5","3","8","1") = "7"
    & skf18("6","5","7","5","3","9","1") = "8"
    & skf18("6","5","7","5","3","10","1") = "9"
    & skf18("6","5","7","5","4","1","1") = "6"
    & skf18("6","5","7","5","4","2","1") = "6"
    & skf18("6","5","7","5","4","3","1") = "6"
    & skf18("6","5","7","5","4","4","1") = "6"
    & skf18("6","5","7","5","4","5","1") = "6"
    & skf18("6","5","7","5","4","6","1") = "6"
    & skf18("6","5","7","5","4","7","1") = "6"
    & skf18("6","5","7","5","4","8","1") = "7"
    & skf18("6","5","7","5","4","9","1") = "8"
    & skf18("6","5","7","5","4","10","1") = "9"
    & skf18("6","5","7","5","5","1","1") = "6"
    & skf18("6","5","7","5","5","2","1") = "6"
    & skf18("6","5","7","5","5","3","1") = "6"
    & skf18("6","5","7","5","5","4","1") = "6"
    & skf18("6","5","7","5","5","5","1") = "6"
    & skf18("6","5","7","5","5","6","1") = "6"
    & skf18("6","5","7","5","5","7","1") = "6"
    & skf18("6","5","7","5","5","8","1") = "7"
    & skf18("6","5","7","5","5","9","1") = "8"
    & skf18("6","5","7","5","5","10","1") = "9"
    & skf18("6","5","7","5","6","1","1") = "6"
    & skf18("6","5","7","5","6","2","1") = "6"
    & skf18("6","5","7","5","6","3","1") = "6"
    & skf18("6","5","7","5","6","4","1") = "6"
    & skf18("6","5","7","5","6","5","1") = "6"
    & skf18("6","5","7","5","6","6","1") = "6"
    & skf18("6","5","7","5","6","7","1") = "6"
    & skf18("6","5","7","5","6","8","1") = "7"
    & skf18("6","5","7","5","6","9","1") = "8"
    & skf18("6","5","7","5","6","10","1") = "9"
    & skf18("6","5","7","5","7","1","1") = "6"
    & skf18("6","5","7","5","7","2","1") = "6"
    & skf18("6","5","7","5","7","3","1") = "6"
    & skf18("6","5","7","5","7","4","1") = "6"
    & skf18("6","5","7","5","7","5","1") = "6"
    & skf18("6","5","7","5","7","6","1") = "6"
    & skf18("6","5","7","5","7","7","1") = "6"
    & skf18("6","5","7","5","7","8","1") = "7"
    & skf18("6","5","7","5","7","9","1") = "8"
    & skf18("6","5","7","5","7","10","1") = "9"
    & skf18("6","5","7","5","8","1","1") = "7"
    & skf18("6","5","7","5","8","2","1") = "7"
    & skf18("6","5","7","5","8","3","1") = "7"
    & skf18("6","5","7","5","8","4","1") = "7"
    & skf18("6","5","7","5","8","5","1") = "7"
    & skf18("6","5","7","5","8","6","1") = "7"
    & skf18("6","5","7","5","8","7","1") = "7"
    & skf18("6","5","7","5","8","8","1") = "7"
    & skf18("6","5","7","5","8","9","1") = "8"
    & skf18("6","5","7","5","8","10","1") = "9"
    & skf18("6","5","7","5","9","1","1") = "8"
    & skf18("6","5","7","5","9","2","1") = "8"
    & skf18("6","5","7","5","9","3","1") = "8"
    & skf18("6","5","7","5","9","4","1") = "8"
    & skf18("6","5","7","5","9","5","1") = "8"
    & skf18("6","5","7","5","9","6","1") = "8"
    & skf18("6","5","7","5","9","7","1") = "8"
    & skf18("6","5","7","5","9","8","1") = "8"
    & skf18("6","5","7","5","9","9","1") = "8"
    & skf18("6","5","7","5","9","10","1") = "9"
    & skf18("6","5","7","5","10","1","1") = "9"
    & skf18("6","5","7","5","10","2","1") = "9"
    & skf18("6","5","7","5","10","3","1") = "9"
    & skf18("6","5","7","5","10","4","1") = "9"
    & skf18("6","5","7","5","10","5","1") = "9"
    & skf18("6","5","7","5","10","6","1") = "9"
    & skf18("6","5","7","5","10","7","1") = "9"
    & skf18("6","5","7","5","10","8","1") = "9"
    & skf18("6","5","7","5","10","9","1") = "9"
    & skf18("6","5","7","5","10","10","1") = "9"
    & skf18("6","5","7","6","1","1","1") = "6"
    & skf18("6","5","7","6","1","2","1") = "6"
    & skf18("6","5","7","6","1","3","1") = "6"
    & skf18("6","5","7","6","1","4","1") = "6"
    & skf18("6","5","7","6","1","5","1") = "6"
    & skf18("6","5","7","6","1","6","1") = "6"
    & skf18("6","5","7","6","1","7","1") = "6"
    & skf18("6","5","7","6","1","8","1") = "7"
    & skf18("6","5","7","6","1","9","1") = "8"
    & skf18("6","5","7","6","1","10","1") = "9"
    & skf18("6","5","7","6","2","1","1") = "6"
    & skf18("6","5","7","6","2","2","1") = "6"
    & skf18("6","5","7","6","2","3","1") = "6"
    & skf18("6","5","7","6","2","4","1") = "6"
    & skf18("6","5","7","6","2","5","1") = "6"
    & skf18("6","5","7","6","2","6","1") = "6"
    & skf18("6","5","7","6","2","7","1") = "6"
    & skf18("6","5","7","6","2","8","1") = "7"
    & skf18("6","5","7","6","2","9","1") = "8"
    & skf18("6","5","7","6","2","10","1") = "9"
    & skf18("6","5","7","6","3","1","1") = "6"
    & skf18("6","5","7","6","3","2","1") = "6"
    & skf18("6","5","7","6","3","3","1") = "6"
    & skf18("6","5","7","6","3","4","1") = "6"
    & skf18("6","5","7","6","3","5","1") = "6"
    & skf18("6","5","7","6","3","6","1") = "6"
    & skf18("6","5","7","6","3","7","1") = "6"
    & skf18("6","5","7","6","3","8","1") = "7"
    & skf18("6","5","7","6","3","9","1") = "8"
    & skf18("6","5","7","6","3","10","1") = "9"
    & skf18("6","5","7","6","4","1","1") = "6"
    & skf18("6","5","7","6","4","2","1") = "6"
    & skf18("6","5","7","6","4","3","1") = "6"
    & skf18("6","5","7","6","4","4","1") = "6"
    & skf18("6","5","7","6","4","5","1") = "6"
    & skf18("6","5","7","6","4","6","1") = "6"
    & skf18("6","5","7","6","4","7","1") = "6"
    & skf18("6","5","7","6","4","8","1") = "7"
    & skf18("6","5","7","6","4","9","1") = "8"
    & skf18("6","5","7","6","4","10","1") = "9"
    & skf18("6","5","7","6","5","1","1") = "6"
    & skf18("6","5","7","6","5","2","1") = "6"
    & skf18("6","5","7","6","5","3","1") = "6"
    & skf18("6","5","7","6","5","4","1") = "6"
    & skf18("6","5","7","6","5","5","1") = "6"
    & skf18("6","5","7","6","5","6","1") = "6"
    & skf18("6","5","7","6","5","7","1") = "6"
    & skf18("6","5","7","6","5","8","1") = "7"
    & skf18("6","5","7","6","5","9","1") = "8"
    & skf18("6","5","7","6","5","10","1") = "9"
    & skf18("6","5","7","6","6","1","1") = "6"
    & skf18("6","5","7","6","6","2","1") = "6"
    & skf18("6","5","7","6","6","3","1") = "6"
    & skf18("6","5","7","6","6","4","1") = "6"
    & skf18("6","5","7","6","6","5","1") = "6"
    & skf18("6","5","7","6","6","6","1") = "6"
    & skf18("6","5","7","6","6","7","1") = "6"
    & skf18("6","5","7","6","6","8","1") = "7"
    & skf18("6","5","7","6","6","9","1") = "8"
    & skf18("6","5","7","6","6","10","1") = "9"
    & skf18("6","5","7","6","7","1","1") = "6"
    & skf18("6","5","7","6","7","2","1") = "6"
    & skf18("6","5","7","6","7","3","1") = "6"
    & skf18("6","5","7","6","7","4","1") = "6"
    & skf18("6","5","7","6","7","5","1") = "6"
    & skf18("6","5","7","6","7","6","1") = "6"
    & skf18("6","5","7","6","7","7","1") = "6"
    & skf18("6","5","7","6","7","8","1") = "7"
    & skf18("6","5","7","6","7","9","1") = "8"
    & skf18("6","5","7","6","7","10","1") = "9"
    & skf18("6","5","7","6","8","1","1") = "7"
    & skf18("6","5","7","6","8","2","1") = "7"
    & skf18("6","5","7","6","8","3","1") = "7"
    & skf18("6","5","7","6","8","4","1") = "7"
    & skf18("6","5","7","6","8","5","1") = "7"
    & skf18("6","5","7","6","8","6","1") = "7"
    & skf18("6","5","7","6","8","7","1") = "7"
    & skf18("6","5","7","6","8","8","1") = "7"
    & skf18("6","5","7","6","8","9","1") = "8"
    & skf18("6","5","7","6","8","10","1") = "9"
    & skf18("6","5","7","6","9","1","1") = "8"
    & skf18("6","5","7","6","9","2","1") = "8"
    & skf18("6","5","7","6","9","3","1") = "8"
    & skf18("6","5","7","6","9","4","1") = "8"
    & skf18("6","5","7","6","9","5","1") = "8"
    & skf18("6","5","7","6","9","6","1") = "8"
    & skf18("6","5","7","6","9","7","1") = "8"
    & skf18("6","5","7","6","9","8","1") = "8"
    & skf18("6","5","7","6","9","9","1") = "8"
    & skf18("6","5","7","6","9","10","1") = "9"
    & skf18("6","5","7","6","10","1","1") = "9"
    & skf18("6","5","7","6","10","2","1") = "9"
    & skf18("6","5","7","6","10","3","1") = "9"
    & skf18("6","5","7","6","10","4","1") = "9"
    & skf18("6","5","7","6","10","5","1") = "9"
    & skf18("6","5","7","6","10","6","1") = "9"
    & skf18("6","5","7","6","10","7","1") = "9"
    & skf18("6","5","7","6","10","8","1") = "9"
    & skf18("6","5","7","6","10","9","1") = "9"
    & skf18("6","5","7","6","10","10","1") = "9"
    & skf18("6","5","7","7","1","1","1") = "6"
    & skf18("6","5","7","7","1","2","1") = "6"
    & skf18("6","5","7","7","1","3","1") = "6"
    & skf18("6","5","7","7","1","4","1") = "6"
    & skf18("6","5","7","7","1","5","1") = "6"
    & skf18("6","5","7","7","1","6","1") = "6"
    & skf18("6","5","7","7","1","7","1") = "6"
    & skf18("6","5","7","7","1","8","1") = "7"
    & skf18("6","5","7","7","1","9","1") = "8"
    & skf18("6","5","7","7","1","10","1") = "9"
    & skf18("6","5","7","7","2","1","1") = "6"
    & skf18("6","5","7","7","2","2","1") = "6"
    & skf18("6","5","7","7","2","3","1") = "6"
    & skf18("6","5","7","7","2","4","1") = "6"
    & skf18("6","5","7","7","2","5","1") = "6"
    & skf18("6","5","7","7","2","6","1") = "6"
    & skf18("6","5","7","7","2","7","1") = "6"
    & skf18("6","5","7","7","2","8","1") = "7"
    & skf18("6","5","7","7","2","9","1") = "8"
    & skf18("6","5","7","7","2","10","1") = "9"
    & skf18("6","5","7","7","3","1","1") = "6"
    & skf18("6","5","7","7","3","2","1") = "6"
    & skf18("6","5","7","7","3","3","1") = "6"
    & skf18("6","5","7","7","3","4","1") = "6"
    & skf18("6","5","7","7","3","5","1") = "6"
    & skf18("6","5","7","7","3","6","1") = "6"
    & skf18("6","5","7","7","3","7","1") = "6"
    & skf18("6","5","7","7","3","8","1") = "7"
    & skf18("6","5","7","7","3","9","1") = "8"
    & skf18("6","5","7","7","3","10","1") = "9"
    & skf18("6","5","7","7","4","1","1") = "6"
    & skf18("6","5","7","7","4","2","1") = "6"
    & skf18("6","5","7","7","4","3","1") = "6"
    & skf18("6","5","7","7","4","4","1") = "6"
    & skf18("6","5","7","7","4","5","1") = "6"
    & skf18("6","5","7","7","4","6","1") = "6"
    & skf18("6","5","7","7","4","7","1") = "6"
    & skf18("6","5","7","7","4","8","1") = "7"
    & skf18("6","5","7","7","4","9","1") = "8"
    & skf18("6","5","7","7","4","10","1") = "9"
    & skf18("6","5","7","7","5","1","1") = "6"
    & skf18("6","5","7","7","5","2","1") = "6"
    & skf18("6","5","7","7","5","3","1") = "6"
    & skf18("6","5","7","7","5","4","1") = "6"
    & skf18("6","5","7","7","5","5","1") = "6"
    & skf18("6","5","7","7","5","6","1") = "6"
    & skf18("6","5","7","7","5","7","1") = "6"
    & skf18("6","5","7","7","5","8","1") = "7"
    & skf18("6","5","7","7","5","9","1") = "8"
    & skf18("6","5","7","7","5","10","1") = "9"
    & skf18("6","5","7","7","6","1","1") = "6"
    & skf18("6","5","7","7","6","2","1") = "6"
    & skf18("6","5","7","7","6","3","1") = "6"
    & skf18("6","5","7","7","6","4","1") = "6"
    & skf18("6","5","7","7","6","5","1") = "6"
    & skf18("6","5","7","7","6","6","1") = "6"
    & skf18("6","5","7","7","6","7","1") = "6"
    & skf18("6","5","7","7","6","8","1") = "7"
    & skf18("6","5","7","7","6","9","1") = "8"
    & skf18("6","5","7","7","6","10","1") = "9"
    & skf18("6","5","7","7","7","1","1") = "6"
    & skf18("6","5","7","7","7","2","1") = "6"
    & skf18("6","5","7","7","7","3","1") = "6"
    & skf18("6","5","7","7","7","4","1") = "6"
    & skf18("6","5","7","7","7","5","1") = "6"
    & skf18("6","5","7","7","7","6","1") = "6"
    & skf18("6","5","7","7","7","7","1") = "6"
    & skf18("6","5","7","7","7","8","1") = "7"
    & skf18("6","5","7","7","7","9","1") = "8"
    & skf18("6","5","7","7","7","10","1") = "9"
    & skf18("6","5","7","7","8","1","1") = "7"
    & skf18("6","5","7","7","8","2","1") = "7"
    & skf18("6","5","7","7","8","3","1") = "7"
    & skf18("6","5","7","7","8","4","1") = "7"
    & skf18("6","5","7","7","8","5","1") = "7"
    & skf18("6","5","7","7","8","6","1") = "7"
    & skf18("6","5","7","7","8","7","1") = "7"
    & skf18("6","5","7","7","8","8","1") = "7"
    & skf18("6","5","7","7","8","9","1") = "8"
    & skf18("6","5","7","7","8","10","1") = "9"
    & skf18("6","5","7","7","9","1","1") = "8"
    & skf18("6","5","7","7","9","2","1") = "8"
    & skf18("6","5","7","7","9","3","1") = "8"
    & skf18("6","5","7","7","9","4","1") = "8"
    & skf18("6","5","7","7","9","5","1") = "8"
    & skf18("6","5","7","7","9","6","1") = "8"
    & skf18("6","5","7","7","9","7","1") = "8"
    & skf18("6","5","7","7","9","8","1") = "8"
    & skf18("6","5","7","7","9","9","1") = "8"
    & skf18("6","5","7","7","9","10","1") = "9"
    & skf18("6","5","7","7","10","1","1") = "9"
    & skf18("6","5","7","7","10","2","1") = "9"
    & skf18("6","5","7","7","10","3","1") = "9"
    & skf18("6","5","7","7","10","4","1") = "9"
    & skf18("6","5","7","7","10","5","1") = "9"
    & skf18("6","5","7","7","10","6","1") = "9"
    & skf18("6","5","7","7","10","7","1") = "9"
    & skf18("6","5","7","7","10","8","1") = "9"
    & skf18("6","5","7","7","10","9","1") = "9"
    & skf18("6","5","7","7","10","10","1") = "9"
    & skf18("6","5","7","8","1","1","1") = "7"
    & skf18("6","5","7","8","1","2","1") = "7"
    & skf18("6","5","7","8","1","3","1") = "7"
    & skf18("6","5","7","8","1","4","1") = "7"
    & skf18("6","5","7","8","1","5","1") = "7"
    & skf18("6","5","7","8","1","6","1") = "7"
    & skf18("6","5","7","8","1","7","1") = "7"
    & skf18("6","5","7","8","1","8","1") = "7"
    & skf18("6","5","7","8","1","9","1") = "8"
    & skf18("6","5","7","8","1","10","1") = "9"
    & skf18("6","5","7","8","2","1","1") = "7"
    & skf18("6","5","7","8","2","2","1") = "7"
    & skf18("6","5","7","8","2","3","1") = "7"
    & skf18("6","5","7","8","2","4","1") = "7"
    & skf18("6","5","7","8","2","5","1") = "7"
    & skf18("6","5","7","8","2","6","1") = "7"
    & skf18("6","5","7","8","2","7","1") = "7"
    & skf18("6","5","7","8","2","8","1") = "7"
    & skf18("6","5","7","8","2","9","1") = "8"
    & skf18("6","5","7","8","2","10","1") = "9"
    & skf18("6","5","7","8","3","1","1") = "7"
    & skf18("6","5","7","8","3","2","1") = "7"
    & skf18("6","5","7","8","3","3","1") = "7"
    & skf18("6","5","7","8","3","4","1") = "7"
    & skf18("6","5","7","8","3","5","1") = "7"
    & skf18("6","5","7","8","3","6","1") = "7"
    & skf18("6","5","7","8","3","7","1") = "7"
    & skf18("6","5","7","8","3","8","1") = "7"
    & skf18("6","5","7","8","3","9","1") = "8"
    & skf18("6","5","7","8","3","10","1") = "9"
    & skf18("6","5","7","8","4","1","1") = "7"
    & skf18("6","5","7","8","4","2","1") = "7"
    & skf18("6","5","7","8","4","3","1") = "7"
    & skf18("6","5","7","8","4","4","1") = "7"
    & skf18("6","5","7","8","4","5","1") = "7"
    & skf18("6","5","7","8","4","6","1") = "7"
    & skf18("6","5","7","8","4","7","1") = "7"
    & skf18("6","5","7","8","4","8","1") = "7"
    & skf18("6","5","7","8","4","9","1") = "8"
    & skf18("6","5","7","8","4","10","1") = "9"
    & skf18("6","5","7","8","5","1","1") = "7"
    & skf18("6","5","7","8","5","2","1") = "7"
    & skf18("6","5","7","8","5","3","1") = "7"
    & skf18("6","5","7","8","5","4","1") = "7"
    & skf18("6","5","7","8","5","5","1") = "7"
    & skf18("6","5","7","8","5","6","1") = "7"
    & skf18("6","5","7","8","5","7","1") = "7"
    & skf18("6","5","7","8","5","8","1") = "7"
    & skf18("6","5","7","8","5","9","1") = "8"
    & skf18("6","5","7","8","5","10","1") = "9"
    & skf18("6","5","7","8","6","1","1") = "7"
    & skf18("6","5","7","8","6","2","1") = "7"
    & skf18("6","5","7","8","6","3","1") = "7"
    & skf18("6","5","7","8","6","4","1") = "7"
    & skf18("6","5","7","8","6","5","1") = "7"
    & skf18("6","5","7","8","6","6","1") = "7"
    & skf18("6","5","7","8","6","7","1") = "7"
    & skf18("6","5","7","8","6","8","1") = "7"
    & skf18("6","5","7","8","6","9","1") = "8"
    & skf18("6","5","7","8","6","10","1") = "9"
    & skf18("6","5","7","8","7","1","1") = "7"
    & skf18("6","5","7","8","7","2","1") = "7"
    & skf18("6","5","7","8","7","3","1") = "7"
    & skf18("6","5","7","8","7","4","1") = "7"
    & skf18("6","5","7","8","7","5","1") = "7"
    & skf18("6","5","7","8","7","6","1") = "7"
    & skf18("6","5","7","8","7","7","1") = "7"
    & skf18("6","5","7","8","7","8","1") = "7"
    & skf18("6","5","7","8","7","9","1") = "8"
    & skf18("6","5","7","8","7","10","1") = "9"
    & skf18("6","5","7","8","8","1","1") = "7"
    & skf18("6","5","7","8","8","2","1") = "7"
    & skf18("6","5","7","8","8","3","1") = "7"
    & skf18("6","5","7","8","8","4","1") = "7"
    & skf18("6","5","7","8","8","5","1") = "7"
    & skf18("6","5","7","8","8","6","1") = "7"
    & skf18("6","5","7","8","8","7","1") = "7"
    & skf18("6","5","7","8","8","8","1") = "7"
    & skf18("6","5","7","8","8","9","1") = "8"
    & skf18("6","5","7","8","8","10","1") = "9"
    & skf18("6","5","7","8","9","1","1") = "8"
    & skf18("6","5","7","8","9","2","1") = "8"
    & skf18("6","5","7","8","9","3","1") = "8"
    & skf18("6","5","7","8","9","4","1") = "8"
    & skf18("6","5","7","8","9","5","1") = "8"
    & skf18("6","5","7","8","9","6","1") = "8"
    & skf18("6","5","7","8","9","7","1") = "8"
    & skf18("6","5","7","8","9","8","1") = "8"
    & skf18("6","5","7","8","9","9","1") = "8"
    & skf18("6","5","7","8","9","10","1") = "9"
    & skf18("6","5","7","8","10","1","1") = "9"
    & skf18("6","5","7","8","10","2","1") = "9"
    & skf18("6","5","7","8","10","3","1") = "9"
    & skf18("6","5","7","8","10","4","1") = "9"
    & skf18("6","5","7","8","10","5","1") = "9"
    & skf18("6","5","7","8","10","6","1") = "9"
    & skf18("6","5","7","8","10","7","1") = "9"
    & skf18("6","5","7","8","10","8","1") = "9"
    & skf18("6","5","7","8","10","9","1") = "9"
    & skf18("6","5","7","8","10","10","1") = "9"
    & skf18("6","5","7","9","1","1","1") = "8"
    & skf18("6","5","7","9","1","2","1") = "8"
    & skf18("6","5","7","9","1","3","1") = "8"
    & skf18("6","5","7","9","1","4","1") = "8"
    & skf18("6","5","7","9","1","5","1") = "8"
    & skf18("6","5","7","9","1","6","1") = "8"
    & skf18("6","5","7","9","1","7","1") = "8"
    & skf18("6","5","7","9","1","8","1") = "8"
    & skf18("6","5","7","9","1","9","1") = "8"
    & skf18("6","5","7","9","1","10","1") = "9"
    & skf18("6","5","7","9","2","1","1") = "8"
    & skf18("6","5","7","9","2","2","1") = "8"
    & skf18("6","5","7","9","2","3","1") = "8"
    & skf18("6","5","7","9","2","4","1") = "8"
    & skf18("6","5","7","9","2","5","1") = "8"
    & skf18("6","5","7","9","2","6","1") = "8"
    & skf18("6","5","7","9","2","7","1") = "8"
    & skf18("6","5","7","9","2","8","1") = "8"
    & skf18("6","5","7","9","2","9","1") = "8"
    & skf18("6","5","7","9","2","10","1") = "9"
    & skf18("6","5","7","9","3","1","1") = "8"
    & skf18("6","5","7","9","3","2","1") = "8"
    & skf18("6","5","7","9","3","3","1") = "8"
    & skf18("6","5","7","9","3","4","1") = "8"
    & skf18("6","5","7","9","3","5","1") = "8"
    & skf18("6","5","7","9","3","6","1") = "8"
    & skf18("6","5","7","9","3","7","1") = "8"
    & skf18("6","5","7","9","3","8","1") = "8"
    & skf18("6","5","7","9","3","9","1") = "8"
    & skf18("6","5","7","9","3","10","1") = "9"
    & skf18("6","5","7","9","4","1","1") = "8"
    & skf18("6","5","7","9","4","2","1") = "8"
    & skf18("6","5","7","9","4","3","1") = "8"
    & skf18("6","5","7","9","4","4","1") = "8"
    & skf18("6","5","7","9","4","5","1") = "8"
    & skf18("6","5","7","9","4","6","1") = "8"
    & skf18("6","5","7","9","4","7","1") = "8"
    & skf18("6","5","7","9","4","8","1") = "8"
    & skf18("6","5","7","9","4","9","1") = "8"
    & skf18("6","5","7","9","4","10","1") = "9"
    & skf18("6","5","7","9","5","1","1") = "8"
    & skf18("6","5","7","9","5","2","1") = "8"
    & skf18("6","5","7","9","5","3","1") = "8"
    & skf18("6","5","7","9","5","4","1") = "8"
    & skf18("6","5","7","9","5","5","1") = "8"
    & skf18("6","5","7","9","5","6","1") = "8"
    & skf18("6","5","7","9","5","7","1") = "8"
    & skf18("6","5","7","9","5","8","1") = "8"
    & skf18("6","5","7","9","5","9","1") = "8"
    & skf18("6","5","7","9","5","10","1") = "9"
    & skf18("6","5","7","9","6","1","1") = "8"
    & skf18("6","5","7","9","6","2","1") = "8"
    & skf18("6","5","7","9","6","3","1") = "8"
    & skf18("6","5","7","9","6","4","1") = "8"
    & skf18("6","5","7","9","6","5","1") = "8"
    & skf18("6","5","7","9","6","6","1") = "8"
    & skf18("6","5","7","9","6","7","1") = "8"
    & skf18("6","5","7","9","6","8","1") = "8"
    & skf18("6","5","7","9","6","9","1") = "8"
    & skf18("6","5","7","9","6","10","1") = "9"
    & skf18("6","5","7","9","7","1","1") = "8"
    & skf18("6","5","7","9","7","2","1") = "8"
    & skf18("6","5","7","9","7","3","1") = "8"
    & skf18("6","5","7","9","7","4","1") = "8"
    & skf18("6","5","7","9","7","5","1") = "8"
    & skf18("6","5","7","9","7","6","1") = "8"
    & skf18("6","5","7","9","7","7","1") = "8"
    & skf18("6","5","7","9","7","8","1") = "8"
    & skf18("6","5","7","9","7","9","1") = "8"
    & skf18("6","5","7","9","7","10","1") = "9"
    & skf18("6","5","7","9","8","1","1") = "8"
    & skf18("6","5","7","9","8","2","1") = "8"
    & skf18("6","5","7","9","8","3","1") = "8"
    & skf18("6","5","7","9","8","4","1") = "8"
    & skf18("6","5","7","9","8","5","1") = "8"
    & skf18("6","5","7","9","8","6","1") = "8"
    & skf18("6","5","7","9","8","7","1") = "8"
    & skf18("6","5","7","9","8","8","1") = "8"
    & skf18("6","5","7","9","8","9","1") = "8"
    & skf18("6","5","7","9","8","10","1") = "9"
    & skf18("6","5","7","9","9","1","1") = "8"
    & skf18("6","5","7","9","9","2","1") = "8"
    & skf18("6","5","7","9","9","3","1") = "8"
    & skf18("6","5","7","9","9","4","1") = "8"
    & skf18("6","5","7","9","9","5","1") = "8"
    & skf18("6","5","7","9","9","6","1") = "8"
    & skf18("6","5","7","9","9","7","1") = "8"
    & skf18("6","5","7","9","9","8","1") = "8"
    & skf18("6","5","7","9","9","9","1") = "8"
    & skf18("6","5","7","9","9","10","1") = "9"
    & skf18("6","5","7","9","10","1","1") = "9"
    & skf18("6","5","7","9","10","2","1") = "9"
    & skf18("6","5","7","9","10","3","1") = "9"
    & skf18("6","5","7","9","10","4","1") = "9"
    & skf18("6","5","7","9","10","5","1") = "9"
    & skf18("6","5","7","9","10","6","1") = "9"
    & skf18("6","5","7","9","10","7","1") = "9"
    & skf18("6","5","7","9","10","8","1") = "9"
    & skf18("6","5","7","9","10","9","1") = "9"
    & skf18("6","5","7","9","10","10","1") = "9"
    & skf18("6","5","7","10","1","1","1") = "9"
    & skf18("6","5","7","10","1","2","1") = "9"
    & skf18("6","5","7","10","1","3","1") = "9"
    & skf18("6","5","7","10","1","4","1") = "9"
    & skf18("6","5","7","10","1","5","1") = "9"
    & skf18("6","5","7","10","1","6","1") = "9"
    & skf18("6","5","7","10","1","7","1") = "9"
    & skf18("6","5","7","10","1","8","1") = "9"
    & skf18("6","5","7","10","1","9","1") = "9"
    & skf18("6","5","7","10","1","10","1") = "9"
    & skf18("6","5","7","10","2","1","1") = "9"
    & skf18("6","5","7","10","2","2","1") = "9"
    & skf18("6","5","7","10","2","3","1") = "9"
    & skf18("6","5","7","10","2","4","1") = "9"
    & skf18("6","5","7","10","2","5","1") = "9"
    & skf18("6","5","7","10","2","6","1") = "9"
    & skf18("6","5","7","10","2","7","1") = "9"
    & skf18("6","5","7","10","2","8","1") = "9"
    & skf18("6","5","7","10","2","9","1") = "9"
    & skf18("6","5","7","10","2","10","1") = "9"
    & skf18("6","5","7","10","3","1","1") = "9"
    & skf18("6","5","7","10","3","2","1") = "9"
    & skf18("6","5","7","10","3","3","1") = "9"
    & skf18("6","5","7","10","3","4","1") = "9"
    & skf18("6","5","7","10","3","5","1") = "9"
    & skf18("6","5","7","10","3","6","1") = "9"
    & skf18("6","5","7","10","3","7","1") = "9"
    & skf18("6","5","7","10","3","8","1") = "9"
    & skf18("6","5","7","10","3","9","1") = "9"
    & skf18("6","5","7","10","3","10","1") = "9"
    & skf18("6","5","7","10","4","1","1") = "9"
    & skf18("6","5","7","10","4","2","1") = "9"
    & skf18("6","5","7","10","4","3","1") = "9"
    & skf18("6","5","7","10","4","4","1") = "9"
    & skf18("6","5","7","10","4","5","1") = "9"
    & skf18("6","5","7","10","4","6","1") = "9"
    & skf18("6","5","7","10","4","7","1") = "9"
    & skf18("6","5","7","10","4","8","1") = "9"
    & skf18("6","5","7","10","4","9","1") = "9"
    & skf18("6","5","7","10","4","10","1") = "9"
    & skf18("6","5","7","10","5","1","1") = "9"
    & skf18("6","5","7","10","5","2","1") = "9"
    & skf18("6","5","7","10","5","3","1") = "9"
    & skf18("6","5","7","10","5","4","1") = "9"
    & skf18("6","5","7","10","5","5","1") = "9"
    & skf18("6","5","7","10","5","6","1") = "9"
    & skf18("6","5","7","10","5","7","1") = "9"
    & skf18("6","5","7","10","5","8","1") = "9"
    & skf18("6","5","7","10","5","9","1") = "9"
    & skf18("6","5","7","10","5","10","1") = "9"
    & skf18("6","5","7","10","6","1","1") = "9"
    & skf18("6","5","7","10","6","2","1") = "9"
    & skf18("6","5","7","10","6","3","1") = "9"
    & skf18("6","5","7","10","6","4","1") = "9"
    & skf18("6","5","7","10","6","5","1") = "9"
    & skf18("6","5","7","10","6","6","1") = "9"
    & skf18("6","5","7","10","6","7","1") = "9"
    & skf18("6","5","7","10","6","8","1") = "9"
    & skf18("6","5","7","10","6","9","1") = "9"
    & skf18("6","5","7","10","6","10","1") = "9"
    & skf18("6","5","7","10","7","1","1") = "9"
    & skf18("6","5","7","10","7","2","1") = "9"
    & skf18("6","5","7","10","7","3","1") = "9"
    & skf18("6","5","7","10","7","4","1") = "9"
    & skf18("6","5","7","10","7","5","1") = "9"
    & skf18("6","5","7","10","7","6","1") = "9"
    & skf18("6","5","7","10","7","7","1") = "9"
    & skf18("6","5","7","10","7","8","1") = "9"
    & skf18("6","5","7","10","7","9","1") = "9"
    & skf18("6","5","7","10","7","10","1") = "9"
    & skf18("6","5","7","10","8","1","1") = "9"
    & skf18("6","5","7","10","8","2","1") = "9"
    & skf18("6","5","7","10","8","3","1") = "9"
    & skf18("6","5","7","10","8","4","1") = "9"
    & skf18("6","5","7","10","8","5","1") = "9"
    & skf18("6","5","7","10","8","6","1") = "9"
    & skf18("6","5","7","10","8","7","1") = "9"
    & skf18("6","5","7","10","8","8","1") = "9"
    & skf18("6","5","7","10","8","9","1") = "9"
    & skf18("6","5","7","10","8","10","1") = "9"
    & skf18("6","5","7","10","9","1","1") = "9"
    & skf18("6","5","7","10","9","2","1") = "9"
    & skf18("6","5","7","10","9","3","1") = "9"
    & skf18("6","5","7","10","9","4","1") = "9"
    & skf18("6","5","7","10","9","5","1") = "9"
    & skf18("6","5","7","10","9","6","1") = "9"
    & skf18("6","5","7","10","9","7","1") = "9"
    & skf18("6","5","7","10","9","8","1") = "9"
    & skf18("6","5","7","10","9","9","1") = "9"
    & skf18("6","5","7","10","9","10","1") = "9"
    & skf18("6","5","7","10","10","1","1") = "9"
    & skf18("6","5","7","10","10","2","1") = "9"
    & skf18("6","5","7","10","10","3","1") = "9"
    & skf18("6","5","7","10","10","4","1") = "9"
    & skf18("6","5","7","10","10","5","1") = "9"
    & skf18("6","5","7","10","10","6","1") = "9"
    & skf18("6","5","7","10","10","7","1") = "9"
    & skf18("6","5","7","10","10","8","1") = "9"
    & skf18("6","5","7","10","10","9","1") = "9"
    & skf18("6","5","7","10","10","10","1") = "9"
    & skf18("6","5","8","1","1","1","1") = "7"
    & skf18("6","5","8","1","1","2","1") = "7"
    & skf18("6","5","8","1","1","3","1") = "7"
    & skf18("6","5","8","1","1","4","1") = "7"
    & skf18("6","5","8","1","1","5","1") = "7"
    & skf18("6","5","8","1","1","6","1") = "7"
    & skf18("6","5","8","1","1","7","1") = "7"
    & skf18("6","5","8","1","1","8","1") = "7"
    & skf18("6","5","8","1","1","9","1") = "8"
    & skf18("6","5","8","1","1","10","1") = "9"
    & skf18("6","5","8","1","2","1","1") = "7"
    & skf18("6","5","8","1","2","2","1") = "7"
    & skf18("6","5","8","1","2","3","1") = "7"
    & skf18("6","5","8","1","2","4","1") = "7"
    & skf18("6","5","8","1","2","5","1") = "7"
    & skf18("6","5","8","1","2","6","1") = "7"
    & skf18("6","5","8","1","2","7","1") = "7"
    & skf18("6","5","8","1","2","8","1") = "7"
    & skf18("6","5","8","1","2","9","1") = "8"
    & skf18("6","5","8","1","2","10","1") = "9"
    & skf18("6","5","8","1","3","1","1") = "7"
    & skf18("6","5","8","1","3","2","1") = "7"
    & skf18("6","5","8","1","3","3","1") = "7"
    & skf18("6","5","8","1","3","4","1") = "7"
    & skf18("6","5","8","1","3","5","1") = "7"
    & skf18("6","5","8","1","3","6","1") = "7"
    & skf18("6","5","8","1","3","7","1") = "7"
    & skf18("6","5","8","1","3","8","1") = "7"
    & skf18("6","5","8","1","3","9","1") = "8"
    & skf18("6","5","8","1","3","10","1") = "9"
    & skf18("6","5","8","1","4","1","1") = "7"
    & skf18("6","5","8","1","4","2","1") = "7"
    & skf18("6","5","8","1","4","3","1") = "7"
    & skf18("6","5","8","1","4","4","1") = "7"
    & skf18("6","5","8","1","4","5","1") = "7"
    & skf18("6","5","8","1","4","6","1") = "7"
    & skf18("6","5","8","1","4","7","1") = "7"
    & skf18("6","5","8","1","4","8","1") = "7"
    & skf18("6","5","8","1","4","9","1") = "8"
    & skf18("6","5","8","1","4","10","1") = "9"
    & skf18("6","5","8","1","5","1","1") = "7"
    & skf18("6","5","8","1","5","2","1") = "7"
    & skf18("6","5","8","1","5","3","1") = "7"
    & skf18("6","5","8","1","5","4","1") = "7"
    & skf18("6","5","8","1","5","5","1") = "7"
    & skf18("6","5","8","1","5","6","1") = "7"
    & skf18("6","5","8","1","5","7","1") = "7"
    & skf18("6","5","8","1","5","8","1") = "7"
    & skf18("6","5","8","1","5","9","1") = "8"
    & skf18("6","5","8","1","5","10","1") = "9"
    & skf18("6","5","8","1","6","1","1") = "7"
    & skf18("6","5","8","1","6","2","1") = "7"
    & skf18("6","5","8","1","6","3","1") = "7"
    & skf18("6","5","8","1","6","4","1") = "7"
    & skf18("6","5","8","1","6","5","1") = "7"
    & skf18("6","5","8","1","6","6","1") = "7"
    & skf18("6","5","8","1","6","7","1") = "7"
    & skf18("6","5","8","1","6","8","1") = "7"
    & skf18("6","5","8","1","6","9","1") = "8"
    & skf18("6","5","8","1","6","10","1") = "9"
    & skf18("6","5","8","1","7","1","1") = "7"
    & skf18("6","5","8","1","7","2","1") = "7"
    & skf18("6","5","8","1","7","3","1") = "7"
    & skf18("6","5","8","1","7","4","1") = "7"
    & skf18("6","5","8","1","7","5","1") = "7"
    & skf18("6","5","8","1","7","6","1") = "7"
    & skf18("6","5","8","1","7","7","1") = "7"
    & skf18("6","5","8","1","7","8","1") = "7"
    & skf18("6","5","8","1","7","9","1") = "8"
    & skf18("6","5","8","1","7","10","1") = "9"
    & skf18("6","5","8","1","8","1","1") = "7"
    & skf18("6","5","8","1","8","2","1") = "7"
    & skf18("6","5","8","1","8","3","1") = "7"
    & skf18("6","5","8","1","8","4","1") = "7"
    & skf18("6","5","8","1","8","5","1") = "7"
    & skf18("6","5","8","1","8","6","1") = "7"
    & skf18("6","5","8","1","8","7","1") = "7"
    & skf18("6","5","8","1","8","8","1") = "7"
    & skf18("6","5","8","1","8","9","1") = "8"
    & skf18("6","5","8","1","8","10","1") = "9"
    & skf18("6","5","8","1","9","1","1") = "8"
    & skf18("6","5","8","1","9","2","1") = "8"
    & skf18("6","5","8","1","9","3","1") = "8"
    & skf18("6","5","8","1","9","4","1") = "8"
    & skf18("6","5","8","1","9","5","1") = "8"
    & skf18("6","5","8","1","9","6","1") = "8"
    & skf18("6","5","8","1","9","7","1") = "8"
    & skf18("6","5","8","1","9","8","1") = "8"
    & skf18("6","5","8","1","9","9","1") = "8"
    & skf18("6","5","8","1","9","10","1") = "9"
    & skf18("6","5","8","1","10","1","1") = "9"
    & skf18("6","5","8","1","10","2","1") = "9"
    & skf18("6","5","8","1","10","3","1") = "9"
    & skf18("6","5","8","1","10","4","1") = "9"
    & skf18("6","5","8","1","10","5","1") = "9"
    & skf18("6","5","8","1","10","6","1") = "9"
    & skf18("6","5","8","1","10","7","1") = "9"
    & skf18("6","5","8","1","10","8","1") = "9"
    & skf18("6","5","8","1","10","9","1") = "9"
    & skf18("6","5","8","1","10","10","1") = "9"
    & skf18("6","5","8","2","1","1","1") = "7"
    & skf18("6","5","8","2","1","2","1") = "7"
    & skf18("6","5","8","2","1","3","1") = "7"
    & skf18("6","5","8","2","1","4","1") = "7"
    & skf18("6","5","8","2","1","5","1") = "7"
    & skf18("6","5","8","2","1","6","1") = "7"
    & skf18("6","5","8","2","1","7","1") = "7"
    & skf18("6","5","8","2","1","8","1") = "7"
    & skf18("6","5","8","2","1","9","1") = "8"
    & skf18("6","5","8","2","1","10","1") = "9"
    & skf18("6","5","8","2","2","1","1") = "7"
    & skf18("6","5","8","2","2","2","1") = "7"
    & skf18("6","5","8","2","2","3","1") = "7"
    & skf18("6","5","8","2","2","4","1") = "7"
    & skf18("6","5","8","2","2","5","1") = "7"
    & skf18("6","5","8","2","2","6","1") = "7"
    & skf18("6","5","8","2","2","7","1") = "7"
    & skf18("6","5","8","2","2","8","1") = "7"
    & skf18("6","5","8","2","2","9","1") = "8"
    & skf18("6","5","8","2","2","10","1") = "9"
    & skf18("6","5","8","2","3","1","1") = "7"
    & skf18("6","5","8","2","3","2","1") = "7"
    & skf18("6","5","8","2","3","3","1") = "7"
    & skf18("6","5","8","2","3","4","1") = "7"
    & skf18("6","5","8","2","3","5","1") = "7"
    & skf18("6","5","8","2","3","6","1") = "7"
    & skf18("6","5","8","2","3","7","1") = "7"
    & skf18("6","5","8","2","3","8","1") = "7"
    & skf18("6","5","8","2","3","9","1") = "8"
    & skf18("6","5","8","2","3","10","1") = "9"
    & skf18("6","5","8","2","4","1","1") = "7"
    & skf18("6","5","8","2","4","2","1") = "7"
    & skf18("6","5","8","2","4","3","1") = "7"
    & skf18("6","5","8","2","4","4","1") = "7"
    & skf18("6","5","8","2","4","5","1") = "7"
    & skf18("6","5","8","2","4","6","1") = "7"
    & skf18("6","5","8","2","4","7","1") = "7"
    & skf18("6","5","8","2","4","8","1") = "7"
    & skf18("6","5","8","2","4","9","1") = "8"
    & skf18("6","5","8","2","4","10","1") = "9"
    & skf18("6","5","8","2","5","1","1") = "7"
    & skf18("6","5","8","2","5","2","1") = "7"
    & skf18("6","5","8","2","5","3","1") = "7"
    & skf18("6","5","8","2","5","4","1") = "7"
    & skf18("6","5","8","2","5","5","1") = "7"
    & skf18("6","5","8","2","5","6","1") = "7"
    & skf18("6","5","8","2","5","7","1") = "7"
    & skf18("6","5","8","2","5","8","1") = "7"
    & skf18("6","5","8","2","5","9","1") = "8"
    & skf18("6","5","8","2","5","10","1") = "9"
    & skf18("6","5","8","2","6","1","1") = "7"
    & skf18("6","5","8","2","6","2","1") = "7"
    & skf18("6","5","8","2","6","3","1") = "7"
    & skf18("6","5","8","2","6","4","1") = "7"
    & skf18("6","5","8","2","6","5","1") = "7"
    & skf18("6","5","8","2","6","6","1") = "7"
    & skf18("6","5","8","2","6","7","1") = "7"
    & skf18("6","5","8","2","6","8","1") = "7"
    & skf18("6","5","8","2","6","9","1") = "8"
    & skf18("6","5","8","2","6","10","1") = "9"
    & skf18("6","5","8","2","7","1","1") = "7"
    & skf18("6","5","8","2","7","2","1") = "7"
    & skf18("6","5","8","2","7","3","1") = "7"
    & skf18("6","5","8","2","7","4","1") = "7"
    & skf18("6","5","8","2","7","5","1") = "7"
    & skf18("6","5","8","2","7","6","1") = "7"
    & skf18("6","5","8","2","7","7","1") = "7"
    & skf18("6","5","8","2","7","8","1") = "7"
    & skf18("6","5","8","2","7","9","1") = "8"
    & skf18("6","5","8","2","7","10","1") = "9"
    & skf18("6","5","8","2","8","1","1") = "7"
    & skf18("6","5","8","2","8","2","1") = "7"
    & skf18("6","5","8","2","8","3","1") = "7"
    & skf18("6","5","8","2","8","4","1") = "7"
    & skf18("6","5","8","2","8","5","1") = "7"
    & skf18("6","5","8","2","8","6","1") = "7"
    & skf18("6","5","8","2","8","7","1") = "7"
    & skf18("6","5","8","2","8","8","1") = "7"
    & skf18("6","5","8","2","8","9","1") = "8"
    & skf18("6","5","8","2","8","10","1") = "9"
    & skf18("6","5","8","2","9","1","1") = "8"
    & skf18("6","5","8","2","9","2","1") = "8"
    & skf18("6","5","8","2","9","3","1") = "8"
    & skf18("6","5","8","2","9","4","1") = "8"
    & skf18("6","5","8","2","9","5","1") = "8"
    & skf18("6","5","8","2","9","6","1") = "8"
    & skf18("6","5","8","2","9","7","1") = "8"
    & skf18("6","5","8","2","9","8","1") = "8"
    & skf18("6","5","8","2","9","9","1") = "8"
    & skf18("6","5","8","2","9","10","1") = "9"
    & skf18("6","5","8","2","10","1","1") = "9"
    & skf18("6","5","8","2","10","2","1") = "9"
    & skf18("6","5","8","2","10","3","1") = "9"
    & skf18("6","5","8","2","10","4","1") = "9"
    & skf18("6","5","8","2","10","5","1") = "9"
    & skf18("6","5","8","2","10","6","1") = "9"
    & skf18("6","5","8","2","10","7","1") = "9"
    & skf18("6","5","8","2","10","8","1") = "9"
    & skf18("6","5","8","2","10","9","1") = "9"
    & skf18("6","5","8","2","10","10","1") = "9"
    & skf18("6","5","8","3","1","1","1") = "7"
    & skf18("6","5","8","3","1","2","1") = "7"
    & skf18("6","5","8","3","1","3","1") = "7"
    & skf18("6","5","8","3","1","4","1") = "7"
    & skf18("6","5","8","3","1","5","1") = "7"
    & skf18("6","5","8","3","1","6","1") = "7"
    & skf18("6","5","8","3","1","7","1") = "7"
    & skf18("6","5","8","3","1","8","1") = "7"
    & skf18("6","5","8","3","1","9","1") = "8"
    & skf18("6","5","8","3","1","10","1") = "9"
    & skf18("6","5","8","3","2","1","1") = "7"
    & skf18("6","5","8","3","2","2","1") = "7"
    & skf18("6","5","8","3","2","3","1") = "7"
    & skf18("6","5","8","3","2","4","1") = "7"
    & skf18("6","5","8","3","2","5","1") = "7"
    & skf18("6","5","8","3","2","6","1") = "7"
    & skf18("6","5","8","3","2","7","1") = "7"
    & skf18("6","5","8","3","2","8","1") = "7"
    & skf18("6","5","8","3","2","9","1") = "8"
    & skf18("6","5","8","3","2","10","1") = "9"
    & skf18("6","5","8","3","3","1","1") = "7"
    & skf18("6","5","8","3","3","2","1") = "7"
    & skf18("6","5","8","3","3","3","1") = "7"
    & skf18("6","5","8","3","3","4","1") = "7"
    & skf18("6","5","8","3","3","5","1") = "7"
    & skf18("6","5","8","3","3","6","1") = "7"
    & skf18("6","5","8","3","3","7","1") = "7"
    & skf18("6","5","8","3","3","8","1") = "7"
    & skf18("6","5","8","3","3","9","1") = "8"
    & skf18("6","5","8","3","3","10","1") = "9"
    & skf18("6","5","8","3","4","1","1") = "7"
    & skf18("6","5","8","3","4","2","1") = "7"
    & skf18("6","5","8","3","4","3","1") = "7"
    & skf18("6","5","8","3","4","4","1") = "7"
    & skf18("6","5","8","3","4","5","1") = "7"
    & skf18("6","5","8","3","4","6","1") = "7"
    & skf18("6","5","8","3","4","7","1") = "7"
    & skf18("6","5","8","3","4","8","1") = "7"
    & skf18("6","5","8","3","4","9","1") = "8"
    & skf18("6","5","8","3","4","10","1") = "9"
    & skf18("6","5","8","3","5","1","1") = "7"
    & skf18("6","5","8","3","5","2","1") = "7"
    & skf18("6","5","8","3","5","3","1") = "7"
    & skf18("6","5","8","3","5","4","1") = "7"
    & skf18("6","5","8","3","5","5","1") = "7"
    & skf18("6","5","8","3","5","6","1") = "7"
    & skf18("6","5","8","3","5","7","1") = "7"
    & skf18("6","5","8","3","5","8","1") = "7"
    & skf18("6","5","8","3","5","9","1") = "8"
    & skf18("6","5","8","3","5","10","1") = "9"
    & skf18("6","5","8","3","6","1","1") = "7"
    & skf18("6","5","8","3","6","2","1") = "7"
    & skf18("6","5","8","3","6","3","1") = "7"
    & skf18("6","5","8","3","6","4","1") = "7"
    & skf18("6","5","8","3","6","5","1") = "7"
    & skf18("6","5","8","3","6","6","1") = "7"
    & skf18("6","5","8","3","6","7","1") = "7"
    & skf18("6","5","8","3","6","8","1") = "7"
    & skf18("6","5","8","3","6","9","1") = "8"
    & skf18("6","5","8","3","6","10","1") = "9"
    & skf18("6","5","8","3","7","1","1") = "7"
    & skf18("6","5","8","3","7","2","1") = "7"
    & skf18("6","5","8","3","7","3","1") = "7"
    & skf18("6","5","8","3","7","4","1") = "7"
    & skf18("6","5","8","3","7","5","1") = "7"
    & skf18("6","5","8","3","7","6","1") = "7"
    & skf18("6","5","8","3","7","7","1") = "7"
    & skf18("6","5","8","3","7","8","1") = "7"
    & skf18("6","5","8","3","7","9","1") = "8"
    & skf18("6","5","8","3","7","10","1") = "9"
    & skf18("6","5","8","3","8","1","1") = "7"
    & skf18("6","5","8","3","8","2","1") = "7"
    & skf18("6","5","8","3","8","3","1") = "7"
    & skf18("6","5","8","3","8","4","1") = "7"
    & skf18("6","5","8","3","8","5","1") = "7"
    & skf18("6","5","8","3","8","6","1") = "7"
    & skf18("6","5","8","3","8","7","1") = "7"
    & skf18("6","5","8","3","8","8","1") = "7"
    & skf18("6","5","8","3","8","9","1") = "8"
    & skf18("6","5","8","3","8","10","1") = "9"
    & skf18("6","5","8","3","9","1","1") = "8"
    & skf18("6","5","8","3","9","2","1") = "8"
    & skf18("6","5","8","3","9","3","1") = "8"
    & skf18("6","5","8","3","9","4","1") = "8"
    & skf18("6","5","8","3","9","5","1") = "8"
    & skf18("6","5","8","3","9","6","1") = "8"
    & skf18("6","5","8","3","9","7","1") = "8"
    & skf18("6","5","8","3","9","8","1") = "8"
    & skf18("6","5","8","3","9","9","1") = "8"
    & skf18("6","5","8","3","9","10","1") = "9"
    & skf18("6","5","8","3","10","1","1") = "9"
    & skf18("6","5","8","3","10","2","1") = "9"
    & skf18("6","5","8","3","10","3","1") = "9"
    & skf18("6","5","8","3","10","4","1") = "9"
    & skf18("6","5","8","3","10","5","1") = "9"
    & skf18("6","5","8","3","10","6","1") = "9"
    & skf18("6","5","8","3","10","7","1") = "9"
    & skf18("6","5","8","3","10","8","1") = "9"
    & skf18("6","5","8","3","10","9","1") = "9"
    & skf18("6","5","8","3","10","10","1") = "9"
    & skf18("6","5","8","4","1","1","1") = "7"
    & skf18("6","5","8","4","1","2","1") = "7"
    & skf18("6","5","8","4","1","3","1") = "7"
    & skf18("6","5","8","4","1","4","1") = "7"
    & skf18("6","5","8","4","1","5","1") = "7"
    & skf18("6","5","8","4","1","6","1") = "7"
    & skf18("6","5","8","4","1","7","1") = "7"
    & skf18("6","5","8","4","1","8","1") = "7"
    & skf18("6","5","8","4","1","9","1") = "8"
    & skf18("6","5","8","4","1","10","1") = "9"
    & skf18("6","5","8","4","2","1","1") = "7"
    & skf18("6","5","8","4","2","2","1") = "7"
    & skf18("6","5","8","4","2","3","1") = "7"
    & skf18("6","5","8","4","2","4","1") = "7"
    & skf18("6","5","8","4","2","5","1") = "7"
    & skf18("6","5","8","4","2","6","1") = "7"
    & skf18("6","5","8","4","2","7","1") = "7"
    & skf18("6","5","8","4","2","8","1") = "7"
    & skf18("6","5","8","4","2","9","1") = "8"
    & skf18("6","5","8","4","2","10","1") = "9"
    & skf18("6","5","8","4","3","1","1") = "7"
    & skf18("6","5","8","4","3","2","1") = "7"
    & skf18("6","5","8","4","3","3","1") = "7"
    & skf18("6","5","8","4","3","4","1") = "7"
    & skf18("6","5","8","4","3","5","1") = "7"
    & skf18("6","5","8","4","3","6","1") = "7"
    & skf18("6","5","8","4","3","7","1") = "7"
    & skf18("6","5","8","4","3","8","1") = "7"
    & skf18("6","5","8","4","3","9","1") = "8"
    & skf18("6","5","8","4","3","10","1") = "9"
    & skf18("6","5","8","4","4","1","1") = "7"
    & skf18("6","5","8","4","4","2","1") = "7"
    & skf18("6","5","8","4","4","3","1") = "7"
    & skf18("6","5","8","4","4","4","1") = "7"
    & skf18("6","5","8","4","4","5","1") = "7"
    & skf18("6","5","8","4","4","6","1") = "7"
    & skf18("6","5","8","4","4","7","1") = "7"
    & skf18("6","5","8","4","4","8","1") = "7"
    & skf18("6","5","8","4","4","9","1") = "8"
    & skf18("6","5","8","4","4","10","1") = "9"
    & skf18("6","5","8","4","5","1","1") = "7"
    & skf18("6","5","8","4","5","2","1") = "7"
    & skf18("6","5","8","4","5","3","1") = "7"
    & skf18("6","5","8","4","5","4","1") = "7"
    & skf18("6","5","8","4","5","5","1") = "7"
    & skf18("6","5","8","4","5","6","1") = "7"
    & skf18("6","5","8","4","5","7","1") = "7"
    & skf18("6","5","8","4","5","8","1") = "7"
    & skf18("6","5","8","4","5","9","1") = "8"
    & skf18("6","5","8","4","5","10","1") = "9"
    & skf18("6","5","8","4","6","1","1") = "7"
    & skf18("6","5","8","4","6","2","1") = "7"
    & skf18("6","5","8","4","6","3","1") = "7"
    & skf18("6","5","8","4","6","4","1") = "7"
    & skf18("6","5","8","4","6","5","1") = "7"
    & skf18("6","5","8","4","6","6","1") = "7"
    & skf18("6","5","8","4","6","7","1") = "7"
    & skf18("6","5","8","4","6","8","1") = "7"
    & skf18("6","5","8","4","6","9","1") = "8"
    & skf18("6","5","8","4","6","10","1") = "9"
    & skf18("6","5","8","4","7","1","1") = "7"
    & skf18("6","5","8","4","7","2","1") = "7"
    & skf18("6","5","8","4","7","3","1") = "7"
    & skf18("6","5","8","4","7","4","1") = "7"
    & skf18("6","5","8","4","7","5","1") = "7"
    & skf18("6","5","8","4","7","6","1") = "7"
    & skf18("6","5","8","4","7","7","1") = "7"
    & skf18("6","5","8","4","7","8","1") = "7"
    & skf18("6","5","8","4","7","9","1") = "8"
    & skf18("6","5","8","4","7","10","1") = "9"
    & skf18("6","5","8","4","8","1","1") = "7"
    & skf18("6","5","8","4","8","2","1") = "7"
    & skf18("6","5","8","4","8","3","1") = "7"
    & skf18("6","5","8","4","8","4","1") = "7"
    & skf18("6","5","8","4","8","5","1") = "7"
    & skf18("6","5","8","4","8","6","1") = "7"
    & skf18("6","5","8","4","8","7","1") = "7"
    & skf18("6","5","8","4","8","8","1") = "7"
    & skf18("6","5","8","4","8","9","1") = "8"
    & skf18("6","5","8","4","8","10","1") = "9"
    & skf18("6","5","8","4","9","1","1") = "8"
    & skf18("6","5","8","4","9","2","1") = "8"
    & skf18("6","5","8","4","9","3","1") = "8"
    & skf18("6","5","8","4","9","4","1") = "8"
    & skf18("6","5","8","4","9","5","1") = "8"
    & skf18("6","5","8","4","9","6","1") = "8"
    & skf18("6","5","8","4","9","7","1") = "8"
    & skf18("6","5","8","4","9","8","1") = "8"
    & skf18("6","5","8","4","9","9","1") = "8"
    & skf18("6","5","8","4","9","10","1") = "9"
    & skf18("6","5","8","4","10","1","1") = "9"
    & skf18("6","5","8","4","10","2","1") = "9"
    & skf18("6","5","8","4","10","3","1") = "9"
    & skf18("6","5","8","4","10","4","1") = "9"
    & skf18("6","5","8","4","10","5","1") = "9"
    & skf18("6","5","8","4","10","6","1") = "9"
    & skf18("6","5","8","4","10","7","1") = "9"
    & skf18("6","5","8","4","10","8","1") = "9"
    & skf18("6","5","8","4","10","9","1") = "9"
    & skf18("6","5","8","4","10","10","1") = "9"
    & skf18("6","5","8","5","1","1","1") = "7"
    & skf18("6","5","8","5","1","2","1") = "7"
    & skf18("6","5","8","5","1","3","1") = "7"
    & skf18("6","5","8","5","1","4","1") = "7"
    & skf18("6","5","8","5","1","5","1") = "7"
    & skf18("6","5","8","5","1","6","1") = "7"
    & skf18("6","5","8","5","1","7","1") = "7"
    & skf18("6","5","8","5","1","8","1") = "7"
    & skf18("6","5","8","5","1","9","1") = "8"
    & skf18("6","5","8","5","1","10","1") = "9"
    & skf18("6","5","8","5","2","1","1") = "7"
    & skf18("6","5","8","5","2","2","1") = "7"
    & skf18("6","5","8","5","2","3","1") = "7"
    & skf18("6","5","8","5","2","4","1") = "7"
    & skf18("6","5","8","5","2","5","1") = "7"
    & skf18("6","5","8","5","2","6","1") = "7"
    & skf18("6","5","8","5","2","7","1") = "7"
    & skf18("6","5","8","5","2","8","1") = "7"
    & skf18("6","5","8","5","2","9","1") = "8"
    & skf18("6","5","8","5","2","10","1") = "9"
    & skf18("6","5","8","5","3","1","1") = "7"
    & skf18("6","5","8","5","3","2","1") = "7"
    & skf18("6","5","8","5","3","3","1") = "7"
    & skf18("6","5","8","5","3","4","1") = "7"
    & skf18("6","5","8","5","3","5","1") = "7"
    & skf18("6","5","8","5","3","6","1") = "7"
    & skf18("6","5","8","5","3","7","1") = "7"
    & skf18("6","5","8","5","3","8","1") = "7"
    & skf18("6","5","8","5","3","9","1") = "8"
    & skf18("6","5","8","5","3","10","1") = "9"
    & skf18("6","5","8","5","4","1","1") = "7"
    & skf18("6","5","8","5","4","2","1") = "7"
    & skf18("6","5","8","5","4","3","1") = "7"
    & skf18("6","5","8","5","4","4","1") = "7"
    & skf18("6","5","8","5","4","5","1") = "7"
    & skf18("6","5","8","5","4","6","1") = "7"
    & skf18("6","5","8","5","4","7","1") = "7"
    & skf18("6","5","8","5","4","8","1") = "7"
    & skf18("6","5","8","5","4","9","1") = "8"
    & skf18("6","5","8","5","4","10","1") = "9"
    & skf18("6","5","8","5","5","1","1") = "7"
    & skf18("6","5","8","5","5","2","1") = "7"
    & skf18("6","5","8","5","5","3","1") = "7"
    & skf18("6","5","8","5","5","4","1") = "7"
    & skf18("6","5","8","5","5","5","1") = "7"
    & skf18("6","5","8","5","5","6","1") = "7"
    & skf18("6","5","8","5","5","7","1") = "7"
    & skf18("6","5","8","5","5","8","1") = "7"
    & skf18("6","5","8","5","5","9","1") = "8"
    & skf18("6","5","8","5","5","10","1") = "9"
    & skf18("6","5","8","5","6","1","1") = "7"
    & skf18("6","5","8","5","6","2","1") = "7"
    & skf18("6","5","8","5","6","3","1") = "7"
    & skf18("6","5","8","5","6","4","1") = "7"
    & skf18("6","5","8","5","6","5","1") = "7"
    & skf18("6","5","8","5","6","6","1") = "7"
    & skf18("6","5","8","5","6","7","1") = "7"
    & skf18("6","5","8","5","6","8","1") = "7"
    & skf18("6","5","8","5","6","9","1") = "8"
    & skf18("6","5","8","5","6","10","1") = "9"
    & skf18("6","5","8","5","7","1","1") = "7"
    & skf18("6","5","8","5","7","2","1") = "7"
    & skf18("6","5","8","5","7","3","1") = "7"
    & skf18("6","5","8","5","7","4","1") = "7"
    & skf18("6","5","8","5","7","5","1") = "7"
    & skf18("6","5","8","5","7","6","1") = "7"
    & skf18("6","5","8","5","7","7","1") = "7"
    & skf18("6","5","8","5","7","8","1") = "7"
    & skf18("6","5","8","5","7","9","1") = "8"
    & skf18("6","5","8","5","7","10","1") = "9"
    & skf18("6","5","8","5","8","1","1") = "7"
    & skf18("6","5","8","5","8","2","1") = "7"
    & skf18("6","5","8","5","8","3","1") = "7"
    & skf18("6","5","8","5","8","4","1") = "7"
    & skf18("6","5","8","5","8","5","1") = "7"
    & skf18("6","5","8","5","8","6","1") = "7"
    & skf18("6","5","8","5","8","7","1") = "7"
    & skf18("6","5","8","5","8","8","1") = "7"
    & skf18("6","5","8","5","8","9","1") = "8"
    & skf18("6","5","8","5","8","10","1") = "9"
    & skf18("6","5","8","5","9","1","1") = "8"
    & skf18("6","5","8","5","9","2","1") = "8"
    & skf18("6","5","8","5","9","3","1") = "8"
    & skf18("6","5","8","5","9","4","1") = "8"
    & skf18("6","5","8","5","9","5","1") = "8"
    & skf18("6","5","8","5","9","6","1") = "8"
    & skf18("6","5","8","5","9","7","1") = "8"
    & skf18("6","5","8","5","9","8","1") = "8"
    & skf18("6","5","8","5","9","9","1") = "8"
    & skf18("6","5","8","5","9","10","1") = "9"
    & skf18("6","5","8","5","10","1","1") = "9"
    & skf18("6","5","8","5","10","2","1") = "9"
    & skf18("6","5","8","5","10","3","1") = "9"
    & skf18("6","5","8","5","10","4","1") = "9"
    & skf18("6","5","8","5","10","5","1") = "9"
    & skf18("6","5","8","5","10","6","1") = "9"
    & skf18("6","5","8","5","10","7","1") = "9"
    & skf18("6","5","8","5","10","8","1") = "9"
    & skf18("6","5","8","5","10","9","1") = "9"
    & skf18("6","5","8","5","10","10","1") = "9"
    & skf18("6","5","8","6","1","1","1") = "7"
    & skf18("6","5","8","6","1","2","1") = "7"
    & skf18("6","5","8","6","1","3","1") = "7"
    & skf18("6","5","8","6","1","4","1") = "7"
    & skf18("6","5","8","6","1","5","1") = "7"
    & skf18("6","5","8","6","1","6","1") = "7"
    & skf18("6","5","8","6","1","7","1") = "7"
    & skf18("6","5","8","6","1","8","1") = "7"
    & skf18("6","5","8","6","1","9","1") = "8"
    & skf18("6","5","8","6","1","10","1") = "9"
    & skf18("6","5","8","6","2","1","1") = "7"
    & skf18("6","5","8","6","2","2","1") = "7"
    & skf18("6","5","8","6","2","3","1") = "7"
    & skf18("6","5","8","6","2","4","1") = "7"
    & skf18("6","5","8","6","2","5","1") = "7"
    & skf18("6","5","8","6","2","6","1") = "7"
    & skf18("6","5","8","6","2","7","1") = "7"
    & skf18("6","5","8","6","2","8","1") = "7"
    & skf18("6","5","8","6","2","9","1") = "8"
    & skf18("6","5","8","6","2","10","1") = "9"
    & skf18("6","5","8","6","3","1","1") = "7"
    & skf18("6","5","8","6","3","2","1") = "7"
    & skf18("6","5","8","6","3","3","1") = "7"
    & skf18("6","5","8","6","3","4","1") = "7"
    & skf18("6","5","8","6","3","5","1") = "7"
    & skf18("6","5","8","6","3","6","1") = "7"
    & skf18("6","5","8","6","3","7","1") = "7"
    & skf18("6","5","8","6","3","8","1") = "7"
    & skf18("6","5","8","6","3","9","1") = "8"
    & skf18("6","5","8","6","3","10","1") = "9"
    & skf18("6","5","8","6","4","1","1") = "7"
    & skf18("6","5","8","6","4","2","1") = "7"
    & skf18("6","5","8","6","4","3","1") = "7"
    & skf18("6","5","8","6","4","4","1") = "7"
    & skf18("6","5","8","6","4","5","1") = "7"
    & skf18("6","5","8","6","4","6","1") = "7"
    & skf18("6","5","8","6","4","7","1") = "7"
    & skf18("6","5","8","6","4","8","1") = "7"
    & skf18("6","5","8","6","4","9","1") = "8"
    & skf18("6","5","8","6","4","10","1") = "9"
    & skf18("6","5","8","6","5","1","1") = "7"
    & skf18("6","5","8","6","5","2","1") = "7"
    & skf18("6","5","8","6","5","3","1") = "7"
    & skf18("6","5","8","6","5","4","1") = "7"
    & skf18("6","5","8","6","5","5","1") = "7"
    & skf18("6","5","8","6","5","6","1") = "7"
    & skf18("6","5","8","6","5","7","1") = "7"
    & skf18("6","5","8","6","5","8","1") = "7"
    & skf18("6","5","8","6","5","9","1") = "8"
    & skf18("6","5","8","6","5","10","1") = "9"
    & skf18("6","5","8","6","6","1","1") = "7"
    & skf18("6","5","8","6","6","2","1") = "7"
    & skf18("6","5","8","6","6","3","1") = "7"
    & skf18("6","5","8","6","6","4","1") = "7"
    & skf18("6","5","8","6","6","5","1") = "7"
    & skf18("6","5","8","6","6","6","1") = "7"
    & skf18("6","5","8","6","6","7","1") = "7"
    & skf18("6","5","8","6","6","8","1") = "7"
    & skf18("6","5","8","6","6","9","1") = "8"
    & skf18("6","5","8","6","6","10","1") = "9"
    & skf18("6","5","8","6","7","1","1") = "7"
    & skf18("6","5","8","6","7","2","1") = "7"
    & skf18("6","5","8","6","7","3","1") = "7"
    & skf18("6","5","8","6","7","4","1") = "7"
    & skf18("6","5","8","6","7","5","1") = "7"
    & skf18("6","5","8","6","7","6","1") = "7"
    & skf18("6","5","8","6","7","7","1") = "7"
    & skf18("6","5","8","6","7","8","1") = "7"
    & skf18("6","5","8","6","7","9","1") = "8"
    & skf18("6","5","8","6","7","10","1") = "9"
    & skf18("6","5","8","6","8","1","1") = "7"
    & skf18("6","5","8","6","8","2","1") = "7"
    & skf18("6","5","8","6","8","3","1") = "7"
    & skf18("6","5","8","6","8","4","1") = "7"
    & skf18("6","5","8","6","8","5","1") = "7"
    & skf18("6","5","8","6","8","6","1") = "7"
    & skf18("6","5","8","6","8","7","1") = "7"
    & skf18("6","5","8","6","8","8","1") = "7"
    & skf18("6","5","8","6","8","9","1") = "8"
    & skf18("6","5","8","6","8","10","1") = "9"
    & skf18("6","5","8","6","9","1","1") = "8"
    & skf18("6","5","8","6","9","2","1") = "8"
    & skf18("6","5","8","6","9","3","1") = "8"
    & skf18("6","5","8","6","9","4","1") = "8"
    & skf18("6","5","8","6","9","5","1") = "8"
    & skf18("6","5","8","6","9","6","1") = "8"
    & skf18("6","5","8","6","9","7","1") = "8"
    & skf18("6","5","8","6","9","8","1") = "8"
    & skf18("6","5","8","6","9","9","1") = "8"
    & skf18("6","5","8","6","9","10","1") = "9"
    & skf18("6","5","8","6","10","1","1") = "9"
    & skf18("6","5","8","6","10","2","1") = "9"
    & skf18("6","5","8","6","10","3","1") = "9"
    & skf18("6","5","8","6","10","4","1") = "9"
    & skf18("6","5","8","6","10","5","1") = "9"
    & skf18("6","5","8","6","10","6","1") = "9"
    & skf18("6","5","8","6","10","7","1") = "9"
    & skf18("6","5","8","6","10","8","1") = "9"
    & skf18("6","5","8","6","10","9","1") = "9"
    & skf18("6","5","8","6","10","10","1") = "9"
    & skf18("6","5","8","7","1","1","1") = "7"
    & skf18("6","5","8","7","1","2","1") = "7"
    & skf18("6","5","8","7","1","3","1") = "7"
    & skf18("6","5","8","7","1","4","1") = "7"
    & skf18("6","5","8","7","1","5","1") = "7"
    & skf18("6","5","8","7","1","6","1") = "7"
    & skf18("6","5","8","7","1","7","1") = "7"
    & skf18("6","5","8","7","1","8","1") = "7"
    & skf18("6","5","8","7","1","9","1") = "8"
    & skf18("6","5","8","7","1","10","1") = "9"
    & skf18("6","5","8","7","2","1","1") = "7"
    & skf18("6","5","8","7","2","2","1") = "7"
    & skf18("6","5","8","7","2","3","1") = "7"
    & skf18("6","5","8","7","2","4","1") = "7"
    & skf18("6","5","8","7","2","5","1") = "7"
    & skf18("6","5","8","7","2","6","1") = "7"
    & skf18("6","5","8","7","2","7","1") = "7"
    & skf18("6","5","8","7","2","8","1") = "7"
    & skf18("6","5","8","7","2","9","1") = "8"
    & skf18("6","5","8","7","2","10","1") = "9"
    & skf18("6","5","8","7","3","1","1") = "7"
    & skf18("6","5","8","7","3","2","1") = "7"
    & skf18("6","5","8","7","3","3","1") = "7"
    & skf18("6","5","8","7","3","4","1") = "7"
    & skf18("6","5","8","7","3","5","1") = "7"
    & skf18("6","5","8","7","3","6","1") = "7"
    & skf18("6","5","8","7","3","7","1") = "7"
    & skf18("6","5","8","7","3","8","1") = "7"
    & skf18("6","5","8","7","3","9","1") = "8"
    & skf18("6","5","8","7","3","10","1") = "9"
    & skf18("6","5","8","7","4","1","1") = "7"
    & skf18("6","5","8","7","4","2","1") = "7"
    & skf18("6","5","8","7","4","3","1") = "7"
    & skf18("6","5","8","7","4","4","1") = "7"
    & skf18("6","5","8","7","4","5","1") = "7"
    & skf18("6","5","8","7","4","6","1") = "7"
    & skf18("6","5","8","7","4","7","1") = "7"
    & skf18("6","5","8","7","4","8","1") = "7"
    & skf18("6","5","8","7","4","9","1") = "8"
    & skf18("6","5","8","7","4","10","1") = "9"
    & skf18("6","5","8","7","5","1","1") = "7"
    & skf18("6","5","8","7","5","2","1") = "7"
    & skf18("6","5","8","7","5","3","1") = "7"
    & skf18("6","5","8","7","5","4","1") = "7"
    & skf18("6","5","8","7","5","5","1") = "7"
    & skf18("6","5","8","7","5","6","1") = "7"
    & skf18("6","5","8","7","5","7","1") = "7"
    & skf18("6","5","8","7","5","8","1") = "7"
    & skf18("6","5","8","7","5","9","1") = "8"
    & skf18("6","5","8","7","5","10","1") = "9"
    & skf18("6","5","8","7","6","1","1") = "7"
    & skf18("6","5","8","7","6","2","1") = "7"
    & skf18("6","5","8","7","6","3","1") = "7"
    & skf18("6","5","8","7","6","4","1") = "7"
    & skf18("6","5","8","7","6","5","1") = "7"
    & skf18("6","5","8","7","6","6","1") = "7"
    & skf18("6","5","8","7","6","7","1") = "7"
    & skf18("6","5","8","7","6","8","1") = "7"
    & skf18("6","5","8","7","6","9","1") = "8"
    & skf18("6","5","8","7","6","10","1") = "9"
    & skf18("6","5","8","7","7","1","1") = "7"
    & skf18("6","5","8","7","7","2","1") = "7"
    & skf18("6","5","8","7","7","3","1") = "7"
    & skf18("6","5","8","7","7","4","1") = "7"
    & skf18("6","5","8","7","7","5","1") = "7"
    & skf18("6","5","8","7","7","6","1") = "7"
    & skf18("6","5","8","7","7","7","1") = "7"
    & skf18("6","5","8","7","7","8","1") = "7"
    & skf18("6","5","8","7","7","9","1") = "8"
    & skf18("6","5","8","7","7","10","1") = "9"
    & skf18("6","5","8","7","8","1","1") = "7"
    & skf18("6","5","8","7","8","2","1") = "7"
    & skf18("6","5","8","7","8","3","1") = "7"
    & skf18("6","5","8","7","8","4","1") = "7"
    & skf18("6","5","8","7","8","5","1") = "7"
    & skf18("6","5","8","7","8","6","1") = "7"
    & skf18("6","5","8","7","8","7","1") = "7"
    & skf18("6","5","8","7","8","8","1") = "7"
    & skf18("6","5","8","7","8","9","1") = "8"
    & skf18("6","5","8","7","8","10","1") = "9"
    & skf18("6","5","8","7","9","1","1") = "8"
    & skf18("6","5","8","7","9","2","1") = "8"
    & skf18("6","5","8","7","9","3","1") = "8"
    & skf18("6","5","8","7","9","4","1") = "8"
    & skf18("6","5","8","7","9","5","1") = "8"
    & skf18("6","5","8","7","9","6","1") = "8"
    & skf18("6","5","8","7","9","7","1") = "8"
    & skf18("6","5","8","7","9","8","1") = "8"
    & skf18("6","5","8","7","9","9","1") = "8"
    & skf18("6","5","8","7","9","10","1") = "9"
    & skf18("6","5","8","7","10","1","1") = "9"
    & skf18("6","5","8","7","10","2","1") = "9"
    & skf18("6","5","8","7","10","3","1") = "9"
    & skf18("6","5","8","7","10","4","1") = "9"
    & skf18("6","5","8","7","10","5","1") = "9"
    & skf18("6","5","8","7","10","6","1") = "9"
    & skf18("6","5","8","7","10","7","1") = "9"
    & skf18("6","5","8","7","10","8","1") = "9"
    & skf18("6","5","8","7","10","9","1") = "9"
    & skf18("6","5","8","7","10","10","1") = "9"
    & skf18("6","5","8","8","1","1","1") = "7"
    & skf18("6","5","8","8","1","2","1") = "7"
    & skf18("6","5","8","8","1","3","1") = "7"
    & skf18("6","5","8","8","1","4","1") = "7"
    & skf18("6","5","8","8","1","5","1") = "7"
    & skf18("6","5","8","8","1","6","1") = "7"
    & skf18("6","5","8","8","1","7","1") = "7"
    & skf18("6","5","8","8","1","8","1") = "7"
    & skf18("6","5","8","8","1","9","1") = "8"
    & skf18("6","5","8","8","1","10","1") = "9"
    & skf18("6","5","8","8","2","1","1") = "7"
    & skf18("6","5","8","8","2","2","1") = "7"
    & skf18("6","5","8","8","2","3","1") = "7"
    & skf18("6","5","8","8","2","4","1") = "7"
    & skf18("6","5","8","8","2","5","1") = "7"
    & skf18("6","5","8","8","2","6","1") = "7"
    & skf18("6","5","8","8","2","7","1") = "7"
    & skf18("6","5","8","8","2","8","1") = "7"
    & skf18("6","5","8","8","2","9","1") = "8"
    & skf18("6","5","8","8","2","10","1") = "9"
    & skf18("6","5","8","8","3","1","1") = "7"
    & skf18("6","5","8","8","3","2","1") = "7"
    & skf18("6","5","8","8","3","3","1") = "7"
    & skf18("6","5","8","8","3","4","1") = "7"
    & skf18("6","5","8","8","3","5","1") = "7"
    & skf18("6","5","8","8","3","6","1") = "7"
    & skf18("6","5","8","8","3","7","1") = "7"
    & skf18("6","5","8","8","3","8","1") = "7"
    & skf18("6","5","8","8","3","9","1") = "8"
    & skf18("6","5","8","8","3","10","1") = "9"
    & skf18("6","5","8","8","4","1","1") = "7"
    & skf18("6","5","8","8","4","2","1") = "7"
    & skf18("6","5","8","8","4","3","1") = "7"
    & skf18("6","5","8","8","4","4","1") = "7"
    & skf18("6","5","8","8","4","5","1") = "7"
    & skf18("6","5","8","8","4","6","1") = "7"
    & skf18("6","5","8","8","4","7","1") = "7"
    & skf18("6","5","8","8","4","8","1") = "7"
    & skf18("6","5","8","8","4","9","1") = "8"
    & skf18("6","5","8","8","4","10","1") = "9"
    & skf18("6","5","8","8","5","1","1") = "7"
    & skf18("6","5","8","8","5","2","1") = "7"
    & skf18("6","5","8","8","5","3","1") = "7"
    & skf18("6","5","8","8","5","4","1") = "7"
    & skf18("6","5","8","8","5","5","1") = "7"
    & skf18("6","5","8","8","5","6","1") = "7"
    & skf18("6","5","8","8","5","7","1") = "7"
    & skf18("6","5","8","8","5","8","1") = "7"
    & skf18("6","5","8","8","5","9","1") = "8"
    & skf18("6","5","8","8","5","10","1") = "9"
    & skf18("6","5","8","8","6","1","1") = "7"
    & skf18("6","5","8","8","6","2","1") = "7"
    & skf18("6","5","8","8","6","3","1") = "7"
    & skf18("6","5","8","8","6","4","1") = "7"
    & skf18("6","5","8","8","6","5","1") = "7"
    & skf18("6","5","8","8","6","6","1") = "7"
    & skf18("6","5","8","8","6","7","1") = "7"
    & skf18("6","5","8","8","6","8","1") = "7"
    & skf18("6","5","8","8","6","9","1") = "8"
    & skf18("6","5","8","8","6","10","1") = "9"
    & skf18("6","5","8","8","7","1","1") = "7"
    & skf18("6","5","8","8","7","2","1") = "7"
    & skf18("6","5","8","8","7","3","1") = "7"
    & skf18("6","5","8","8","7","4","1") = "7"
    & skf18("6","5","8","8","7","5","1") = "7"
    & skf18("6","5","8","8","7","6","1") = "7"
    & skf18("6","5","8","8","7","7","1") = "7"
    & skf18("6","5","8","8","7","8","1") = "7"
    & skf18("6","5","8","8","7","9","1") = "8"
    & skf18("6","5","8","8","7","10","1") = "9"
    & skf18("6","5","8","8","8","1","1") = "7"
    & skf18("6","5","8","8","8","2","1") = "7"
    & skf18("6","5","8","8","8","3","1") = "7"
    & skf18("6","5","8","8","8","4","1") = "7"
    & skf18("6","5","8","8","8","5","1") = "7"
    & skf18("6","5","8","8","8","6","1") = "7"
    & skf18("6","5","8","8","8","7","1") = "7"
    & skf18("6","5","8","8","8","8","1") = "7"
    & skf18("6","5","8","8","8","9","1") = "8"
    & skf18("6","5","8","8","8","10","1") = "9"
    & skf18("6","5","8","8","9","1","1") = "8"
    & skf18("6","5","8","8","9","2","1") = "8"
    & skf18("6","5","8","8","9","3","1") = "8"
    & skf18("6","5","8","8","9","4","1") = "8"
    & skf18("6","5","8","8","9","5","1") = "8"
    & skf18("6","5","8","8","9","6","1") = "8"
    & skf18("6","5","8","8","9","7","1") = "8"
    & skf18("6","5","8","8","9","8","1") = "8"
    & skf18("6","5","8","8","9","9","1") = "8"
    & skf18("6","5","8","8","9","10","1") = "9"
    & skf18("6","5","8","8","10","1","1") = "9"
    & skf18("6","5","8","8","10","2","1") = "9"
    & skf18("6","5","8","8","10","3","1") = "9"
    & skf18("6","5","8","8","10","4","1") = "9"
    & skf18("6","5","8","8","10","5","1") = "9"
    & skf18("6","5","8","8","10","6","1") = "9"
    & skf18("6","5","8","8","10","7","1") = "9"
    & skf18("6","5","8","8","10","8","1") = "9"
    & skf18("6","5","8","8","10","9","1") = "9"
    & skf18("6","5","8","8","10","10","1") = "9"
    & skf18("6","5","8","9","1","1","1") = "8"
    & skf18("6","5","8","9","1","2","1") = "8"
    & skf18("6","5","8","9","1","3","1") = "8"
    & skf18("6","5","8","9","1","4","1") = "8"
    & skf18("6","5","8","9","1","5","1") = "8"
    & skf18("6","5","8","9","1","6","1") = "8"
    & skf18("6","5","8","9","1","7","1") = "8"
    & skf18("6","5","8","9","1","8","1") = "8"
    & skf18("6","5","8","9","1","9","1") = "8"
    & skf18("6","5","8","9","1","10","1") = "9"
    & skf18("6","5","8","9","2","1","1") = "8"
    & skf18("6","5","8","9","2","2","1") = "8"
    & skf18("6","5","8","9","2","3","1") = "8"
    & skf18("6","5","8","9","2","4","1") = "8"
    & skf18("6","5","8","9","2","5","1") = "8"
    & skf18("6","5","8","9","2","6","1") = "8"
    & skf18("6","5","8","9","2","7","1") = "8"
    & skf18("6","5","8","9","2","8","1") = "8"
    & skf18("6","5","8","9","2","9","1") = "8"
    & skf18("6","5","8","9","2","10","1") = "9"
    & skf18("6","5","8","9","3","1","1") = "8"
    & skf18("6","5","8","9","3","2","1") = "8"
    & skf18("6","5","8","9","3","3","1") = "8"
    & skf18("6","5","8","9","3","4","1") = "8"
    & skf18("6","5","8","9","3","5","1") = "8"
    & skf18("6","5","8","9","3","6","1") = "8"
    & skf18("6","5","8","9","3","7","1") = "8"
    & skf18("6","5","8","9","3","8","1") = "8"
    & skf18("6","5","8","9","3","9","1") = "8"
    & skf18("6","5","8","9","3","10","1") = "9"
    & skf18("6","5","8","9","4","1","1") = "8"
    & skf18("6","5","8","9","4","2","1") = "8"
    & skf18("6","5","8","9","4","3","1") = "8"
    & skf18("6","5","8","9","4","4","1") = "8"
    & skf18("6","5","8","9","4","5","1") = "8"
    & skf18("6","5","8","9","4","6","1") = "8"
    & skf18("6","5","8","9","4","7","1") = "8"
    & skf18("6","5","8","9","4","8","1") = "8"
    & skf18("6","5","8","9","4","9","1") = "8"
    & skf18("6","5","8","9","4","10","1") = "9"
    & skf18("6","5","8","9","5","1","1") = "8"
    & skf18("6","5","8","9","5","2","1") = "8"
    & skf18("6","5","8","9","5","3","1") = "8"
    & skf18("6","5","8","9","5","4","1") = "8"
    & skf18("6","5","8","9","5","5","1") = "8"
    & skf18("6","5","8","9","5","6","1") = "8"
    & skf18("6","5","8","9","5","7","1") = "8"
    & skf18("6","5","8","9","5","8","1") = "8"
    & skf18("6","5","8","9","5","9","1") = "8"
    & skf18("6","5","8","9","5","10","1") = "9"
    & skf18("6","5","8","9","6","1","1") = "8"
    & skf18("6","5","8","9","6","2","1") = "8"
    & skf18("6","5","8","9","6","3","1") = "8"
    & skf18("6","5","8","9","6","4","1") = "8"
    & skf18("6","5","8","9","6","5","1") = "8"
    & skf18("6","5","8","9","6","6","1") = "8"
    & skf18("6","5","8","9","6","7","1") = "8"
    & skf18("6","5","8","9","6","8","1") = "8"
    & skf18("6","5","8","9","6","9","1") = "8"
    & skf18("6","5","8","9","6","10","1") = "9"
    & skf18("6","5","8","9","7","1","1") = "8"
    & skf18("6","5","8","9","7","2","1") = "8"
    & skf18("6","5","8","9","7","3","1") = "8"
    & skf18("6","5","8","9","7","4","1") = "8"
    & skf18("6","5","8","9","7","5","1") = "8"
    & skf18("6","5","8","9","7","6","1") = "8"
    & skf18("6","5","8","9","7","7","1") = "8"
    & skf18("6","5","8","9","7","8","1") = "8"
    & skf18("6","5","8","9","7","9","1") = "8"
    & skf18("6","5","8","9","7","10","1") = "9"
    & skf18("6","5","8","9","8","1","1") = "8"
    & skf18("6","5","8","9","8","2","1") = "8"
    & skf18("6","5","8","9","8","3","1") = "8"
    & skf18("6","5","8","9","8","4","1") = "8"
    & skf18("6","5","8","9","8","5","1") = "8"
    & skf18("6","5","8","9","8","6","1") = "8"
    & skf18("6","5","8","9","8","7","1") = "8"
    & skf18("6","5","8","9","8","8","1") = "8"
    & skf18("6","5","8","9","8","9","1") = "8"
    & skf18("6","5","8","9","8","10","1") = "9"
    & skf18("6","5","8","9","9","1","1") = "8"
    & skf18("6","5","8","9","9","2","1") = "8"
    & skf18("6","5","8","9","9","3","1") = "8"
    & skf18("6","5","8","9","9","4","1") = "8"
    & skf18("6","5","8","9","9","5","1") = "8"
    & skf18("6","5","8","9","9","6","1") = "8"
    & skf18("6","5","8","9","9","7","1") = "8"
    & skf18("6","5","8","9","9","8","1") = "8"
    & skf18("6","5","8","9","9","9","1") = "8"
    & skf18("6","5","8","9","9","10","1") = "9"
    & skf18("6","5","8","9","10","1","1") = "9"
    & skf18("6","5","8","9","10","2","1") = "9"
    & skf18("6","5","8","9","10","3","1") = "9"
    & skf18("6","5","8","9","10","4","1") = "9"
    & skf18("6","5","8","9","10","5","1") = "9"
    & skf18("6","5","8","9","10","6","1") = "9"
    & skf18("6","5","8","9","10","7","1") = "9"
    & skf18("6","5","8","9","10","8","1") = "9"
    & skf18("6","5","8","9","10","9","1") = "9"
    & skf18("6","5","8","9","10","10","1") = "9"
    & skf18("6","5","8","10","1","1","1") = "9"
    & skf18("6","5","8","10","1","2","1") = "9"
    & skf18("6","5","8","10","1","3","1") = "9"
    & skf18("6","5","8","10","1","4","1") = "9"
    & skf18("6","5","8","10","1","5","1") = "9"
    & skf18("6","5","8","10","1","6","1") = "9"
    & skf18("6","5","8","10","1","7","1") = "9"
    & skf18("6","5","8","10","1","8","1") = "9"
    & skf18("6","5","8","10","1","9","1") = "9"
    & skf18("6","5","8","10","1","10","1") = "9"
    & skf18("6","5","8","10","2","1","1") = "9"
    & skf18("6","5","8","10","2","2","1") = "9"
    & skf18("6","5","8","10","2","3","1") = "9"
    & skf18("6","5","8","10","2","4","1") = "9"
    & skf18("6","5","8","10","2","5","1") = "9"
    & skf18("6","5","8","10","2","6","1") = "9"
    & skf18("6","5","8","10","2","7","1") = "9"
    & skf18("6","5","8","10","2","8","1") = "9"
    & skf18("6","5","8","10","2","9","1") = "9"
    & skf18("6","5","8","10","2","10","1") = "9"
    & skf18("6","5","8","10","3","1","1") = "9"
    & skf18("6","5","8","10","3","2","1") = "9"
    & skf18("6","5","8","10","3","3","1") = "9"
    & skf18("6","5","8","10","3","4","1") = "9"
    & skf18("6","5","8","10","3","5","1") = "9"
    & skf18("6","5","8","10","3","6","1") = "9"
    & skf18("6","5","8","10","3","7","1") = "9"
    & skf18("6","5","8","10","3","8","1") = "9"
    & skf18("6","5","8","10","3","9","1") = "9"
    & skf18("6","5","8","10","3","10","1") = "9"
    & skf18("6","5","8","10","4","1","1") = "9"
    & skf18("6","5","8","10","4","2","1") = "9"
    & skf18("6","5","8","10","4","3","1") = "9"
    & skf18("6","5","8","10","4","4","1") = "9"
    & skf18("6","5","8","10","4","5","1") = "9"
    & skf18("6","5","8","10","4","6","1") = "9"
    & skf18("6","5","8","10","4","7","1") = "9"
    & skf18("6","5","8","10","4","8","1") = "9"
    & skf18("6","5","8","10","4","9","1") = "9"
    & skf18("6","5","8","10","4","10","1") = "9"
    & skf18("6","5","8","10","5","1","1") = "9"
    & skf18("6","5","8","10","5","2","1") = "9"
    & skf18("6","5","8","10","5","3","1") = "9"
    & skf18("6","5","8","10","5","4","1") = "9"
    & skf18("6","5","8","10","5","5","1") = "9"
    & skf18("6","5","8","10","5","6","1") = "9"
    & skf18("6","5","8","10","5","7","1") = "9"
    & skf18("6","5","8","10","5","8","1") = "9"
    & skf18("6","5","8","10","5","9","1") = "9"
    & skf18("6","5","8","10","5","10","1") = "9"
    & skf18("6","5","8","10","6","1","1") = "9"
    & skf18("6","5","8","10","6","2","1") = "9"
    & skf18("6","5","8","10","6","3","1") = "9"
    & skf18("6","5","8","10","6","4","1") = "9"
    & skf18("6","5","8","10","6","5","1") = "9"
    & skf18("6","5","8","10","6","6","1") = "9"
    & skf18("6","5","8","10","6","7","1") = "9"
    & skf18("6","5","8","10","6","8","1") = "9"
    & skf18("6","5","8","10","6","9","1") = "9"
    & skf18("6","5","8","10","6","10","1") = "9"
    & skf18("6","5","8","10","7","1","1") = "9"
    & skf18("6","5","8","10","7","2","1") = "9"
    & skf18("6","5","8","10","7","3","1") = "9"
    & skf18("6","5","8","10","7","4","1") = "9"
    & skf18("6","5","8","10","7","5","1") = "9"
    & skf18("6","5","8","10","7","6","1") = "9"
    & skf18("6","5","8","10","7","7","1") = "9"
    & skf18("6","5","8","10","7","8","1") = "9"
    & skf18("6","5","8","10","7","9","1") = "9"
    & skf18("6","5","8","10","7","10","1") = "9"
    & skf18("6","5","8","10","8","1","1") = "9"
    & skf18("6","5","8","10","8","2","1") = "9"
    & skf18("6","5","8","10","8","3","1") = "9"
    & skf18("6","5","8","10","8","4","1") = "9"
    & skf18("6","5","8","10","8","5","1") = "9"
    & skf18("6","5","8","10","8","6","1") = "9"
    & skf18("6","5","8","10","8","7","1") = "9"
    & skf18("6","5","8","10","8","8","1") = "9"
    & skf18("6","5","8","10","8","9","1") = "9"
    & skf18("6","5","8","10","8","10","1") = "9"
    & skf18("6","5","8","10","9","1","1") = "9"
    & skf18("6","5","8","10","9","2","1") = "9"
    & skf18("6","5","8","10","9","3","1") = "9"
    & skf18("6","5","8","10","9","4","1") = "9"
    & skf18("6","5","8","10","9","5","1") = "9"
    & skf18("6","5","8","10","9","6","1") = "9"
    & skf18("6","5","8","10","9","7","1") = "9"
    & skf18("6","5","8","10","9","8","1") = "9"
    & skf18("6","5","8","10","9","9","1") = "9"
    & skf18("6","5","8","10","9","10","1") = "9"
    & skf18("6","5","8","10","10","1","1") = "9"
    & skf18("6","5","8","10","10","2","1") = "9"
    & skf18("6","5","8","10","10","3","1") = "9"
    & skf18("6","5","8","10","10","4","1") = "9"
    & skf18("6","5","8","10","10","5","1") = "9"
    & skf18("6","5","8","10","10","6","1") = "9"
    & skf18("6","5","8","10","10","7","1") = "9"
    & skf18("6","5","8","10","10","8","1") = "9"
    & skf18("6","5","8","10","10","9","1") = "9"
    & skf18("6","5","8","10","10","10","1") = "9"
    & skf18("6","5","9","1","1","1","1") = "8"
    & skf18("6","5","9","1","1","2","1") = "8"
    & skf18("6","5","9","1","1","3","1") = "8"
    & skf18("6","5","9","1","1","4","1") = "8"
    & skf18("6","5","9","1","1","5","1") = "8"
    & skf18("6","5","9","1","1","6","1") = "8"
    & skf18("6","5","9","1","1","7","1") = "8"
    & skf18("6","5","9","1","1","8","1") = "8"
    & skf18("6","5","9","1","1","9","1") = "8"
    & skf18("6","5","9","1","1","10","1") = "9"
    & skf18("6","5","9","1","2","1","1") = "8"
    & skf18("6","5","9","1","2","2","1") = "8"
    & skf18("6","5","9","1","2","3","1") = "8"
    & skf18("6","5","9","1","2","4","1") = "8"
    & skf18("6","5","9","1","2","5","1") = "8"
    & skf18("6","5","9","1","2","6","1") = "8"
    & skf18("6","5","9","1","2","7","1") = "8"
    & skf18("6","5","9","1","2","8","1") = "8"
    & skf18("6","5","9","1","2","9","1") = "8"
    & skf18("6","5","9","1","2","10","1") = "9"
    & skf18("6","5","9","1","3","1","1") = "8"
    & skf18("6","5","9","1","3","2","1") = "8"
    & skf18("6","5","9","1","3","3","1") = "8"
    & skf18("6","5","9","1","3","4","1") = "8"
    & skf18("6","5","9","1","3","5","1") = "8"
    & skf18("6","5","9","1","3","6","1") = "8"
    & skf18("6","5","9","1","3","7","1") = "8"
    & skf18("6","5","9","1","3","8","1") = "8"
    & skf18("6","5","9","1","3","9","1") = "8"
    & skf18("6","5","9","1","3","10","1") = "9"
    & skf18("6","5","9","1","4","1","1") = "8"
    & skf18("6","5","9","1","4","2","1") = "8"
    & skf18("6","5","9","1","4","3","1") = "8"
    & skf18("6","5","9","1","4","4","1") = "8"
    & skf18("6","5","9","1","4","5","1") = "8"
    & skf18("6","5","9","1","4","6","1") = "8"
    & skf18("6","5","9","1","4","7","1") = "8"
    & skf18("6","5","9","1","4","8","1") = "8"
    & skf18("6","5","9","1","4","9","1") = "8"
    & skf18("6","5","9","1","4","10","1") = "9"
    & skf18("6","5","9","1","5","1","1") = "8"
    & skf18("6","5","9","1","5","2","1") = "8"
    & skf18("6","5","9","1","5","3","1") = "8"
    & skf18("6","5","9","1","5","4","1") = "8"
    & skf18("6","5","9","1","5","5","1") = "8"
    & skf18("6","5","9","1","5","6","1") = "8"
    & skf18("6","5","9","1","5","7","1") = "8"
    & skf18("6","5","9","1","5","8","1") = "8"
    & skf18("6","5","9","1","5","9","1") = "8"
    & skf18("6","5","9","1","5","10","1") = "9"
    & skf18("6","5","9","1","6","1","1") = "8"
    & skf18("6","5","9","1","6","2","1") = "8"
    & skf18("6","5","9","1","6","3","1") = "8"
    & skf18("6","5","9","1","6","4","1") = "8"
    & skf18("6","5","9","1","6","5","1") = "8"
    & skf18("6","5","9","1","6","6","1") = "8"
    & skf18("6","5","9","1","6","7","1") = "8"
    & skf18("6","5","9","1","6","8","1") = "8"
    & skf18("6","5","9","1","6","9","1") = "8"
    & skf18("6","5","9","1","6","10","1") = "9"
    & skf18("6","5","9","1","7","1","1") = "8"
    & skf18("6","5","9","1","7","2","1") = "8"
    & skf18("6","5","9","1","7","3","1") = "8"
    & skf18("6","5","9","1","7","4","1") = "8"
    & skf18("6","5","9","1","7","5","1") = "8"
    & skf18("6","5","9","1","7","6","1") = "8"
    & skf18("6","5","9","1","7","7","1") = "8"
    & skf18("6","5","9","1","7","8","1") = "8"
    & skf18("6","5","9","1","7","9","1") = "8"
    & skf18("6","5","9","1","7","10","1") = "9"
    & skf18("6","5","9","1","8","1","1") = "8"
    & skf18("6","5","9","1","8","2","1") = "8"
    & skf18("6","5","9","1","8","3","1") = "8"
    & skf18("6","5","9","1","8","4","1") = "8"
    & skf18("6","5","9","1","8","5","1") = "8"
    & skf18("6","5","9","1","8","6","1") = "8"
    & skf18("6","5","9","1","8","7","1") = "8"
    & skf18("6","5","9","1","8","8","1") = "8"
    & skf18("6","5","9","1","8","9","1") = "8"
    & skf18("6","5","9","1","8","10","1") = "9"
    & skf18("6","5","9","1","9","1","1") = "8"
    & skf18("6","5","9","1","9","2","1") = "8"
    & skf18("6","5","9","1","9","3","1") = "8"
    & skf18("6","5","9","1","9","4","1") = "8"
    & skf18("6","5","9","1","9","5","1") = "8"
    & skf18("6","5","9","1","9","6","1") = "8"
    & skf18("6","5","9","1","9","7","1") = "8"
    & skf18("6","5","9","1","9","8","1") = "8"
    & skf18("6","5","9","1","9","9","1") = "8"
    & skf18("6","5","9","1","9","10","1") = "9"
    & skf18("6","5","9","1","10","1","1") = "9"
    & skf18("6","5","9","1","10","2","1") = "9"
    & skf18("6","5","9","1","10","3","1") = "9"
    & skf18("6","5","9","1","10","4","1") = "9"
    & skf18("6","5","9","1","10","5","1") = "9"
    & skf18("6","5","9","1","10","6","1") = "9"
    & skf18("6","5","9","1","10","7","1") = "9"
    & skf18("6","5","9","1","10","8","1") = "9"
    & skf18("6","5","9","1","10","9","1") = "9"
    & skf18("6","5","9","1","10","10","1") = "9"
    & skf18("6","5","9","2","1","1","1") = "8"
    & skf18("6","5","9","2","1","2","1") = "8"
    & skf18("6","5","9","2","1","3","1") = "8"
    & skf18("6","5","9","2","1","4","1") = "8"
    & skf18("6","5","9","2","1","5","1") = "8"
    & skf18("6","5","9","2","1","6","1") = "8"
    & skf18("6","5","9","2","1","7","1") = "8"
    & skf18("6","5","9","2","1","8","1") = "8"
    & skf18("6","5","9","2","1","9","1") = "8"
    & skf18("6","5","9","2","1","10","1") = "9"
    & skf18("6","5","9","2","2","1","1") = "8"
    & skf18("6","5","9","2","2","2","1") = "8"
    & skf18("6","5","9","2","2","3","1") = "8"
    & skf18("6","5","9","2","2","4","1") = "8"
    & skf18("6","5","9","2","2","5","1") = "8"
    & skf18("6","5","9","2","2","6","1") = "8"
    & skf18("6","5","9","2","2","7","1") = "8"
    & skf18("6","5","9","2","2","8","1") = "8"
    & skf18("6","5","9","2","2","9","1") = "8"
    & skf18("6","5","9","2","2","10","1") = "9"
    & skf18("6","5","9","2","3","1","1") = "8"
    & skf18("6","5","9","2","3","2","1") = "8"
    & skf18("6","5","9","2","3","3","1") = "8"
    & skf18("6","5","9","2","3","4","1") = "8"
    & skf18("6","5","9","2","3","5","1") = "8"
    & skf18("6","5","9","2","3","6","1") = "8"
    & skf18("6","5","9","2","3","7","1") = "8"
    & skf18("6","5","9","2","3","8","1") = "8"
    & skf18("6","5","9","2","3","9","1") = "8"
    & skf18("6","5","9","2","3","10","1") = "9"
    & skf18("6","5","9","2","4","1","1") = "8"
    & skf18("6","5","9","2","4","2","1") = "8"
    & skf18("6","5","9","2","4","3","1") = "8"
    & skf18("6","5","9","2","4","4","1") = "8"
    & skf18("6","5","9","2","4","5","1") = "8"
    & skf18("6","5","9","2","4","6","1") = "8"
    & skf18("6","5","9","2","4","7","1") = "8"
    & skf18("6","5","9","2","4","8","1") = "8"
    & skf18("6","5","9","2","4","9","1") = "8"
    & skf18("6","5","9","2","4","10","1") = "9"
    & skf18("6","5","9","2","5","1","1") = "8"
    & skf18("6","5","9","2","5","2","1") = "8"
    & skf18("6","5","9","2","5","3","1") = "8"
    & skf18("6","5","9","2","5","4","1") = "8"
    & skf18("6","5","9","2","5","5","1") = "8"
    & skf18("6","5","9","2","5","6","1") = "8"
    & skf18("6","5","9","2","5","7","1") = "8"
    & skf18("6","5","9","2","5","8","1") = "8"
    & skf18("6","5","9","2","5","9","1") = "8"
    & skf18("6","5","9","2","5","10","1") = "9"
    & skf18("6","5","9","2","6","1","1") = "8"
    & skf18("6","5","9","2","6","2","1") = "8"
    & skf18("6","5","9","2","6","3","1") = "8"
    & skf18("6","5","9","2","6","4","1") = "8"
    & skf18("6","5","9","2","6","5","1") = "8"
    & skf18("6","5","9","2","6","6","1") = "8"
    & skf18("6","5","9","2","6","7","1") = "8"
    & skf18("6","5","9","2","6","8","1") = "8"
    & skf18("6","5","9","2","6","9","1") = "8"
    & skf18("6","5","9","2","6","10","1") = "9"
    & skf18("6","5","9","2","7","1","1") = "8"
    & skf18("6","5","9","2","7","2","1") = "8"
    & skf18("6","5","9","2","7","3","1") = "8"
    & skf18("6","5","9","2","7","4","1") = "8"
    & skf18("6","5","9","2","7","5","1") = "8"
    & skf18("6","5","9","2","7","6","1") = "8"
    & skf18("6","5","9","2","7","7","1") = "8"
    & skf18("6","5","9","2","7","8","1") = "8"
    & skf18("6","5","9","2","7","9","1") = "8"
    & skf18("6","5","9","2","7","10","1") = "9"
    & skf18("6","5","9","2","8","1","1") = "8"
    & skf18("6","5","9","2","8","2","1") = "8"
    & skf18("6","5","9","2","8","3","1") = "8"
    & skf18("6","5","9","2","8","4","1") = "8"
    & skf18("6","5","9","2","8","5","1") = "8"
    & skf18("6","5","9","2","8","6","1") = "8"
    & skf18("6","5","9","2","8","7","1") = "8"
    & skf18("6","5","9","2","8","8","1") = "8"
    & skf18("6","5","9","2","8","9","1") = "8"
    & skf18("6","5","9","2","8","10","1") = "9"
    & skf18("6","5","9","2","9","1","1") = "8"
    & skf18("6","5","9","2","9","2","1") = "8"
    & skf18("6","5","9","2","9","3","1") = "8"
    & skf18("6","5","9","2","9","4","1") = "8"
    & skf18("6","5","9","2","9","5","1") = "8"
    & skf18("6","5","9","2","9","6","1") = "8"
    & skf18("6","5","9","2","9","7","1") = "8"
    & skf18("6","5","9","2","9","8","1") = "8"
    & skf18("6","5","9","2","9","9","1") = "8"
    & skf18("6","5","9","2","9","10","1") = "9"
    & skf18("6","5","9","2","10","1","1") = "9"
    & skf18("6","5","9","2","10","2","1") = "9"
    & skf18("6","5","9","2","10","3","1") = "9"
    & skf18("6","5","9","2","10","4","1") = "9"
    & skf18("6","5","9","2","10","5","1") = "9"
    & skf18("6","5","9","2","10","6","1") = "9"
    & skf18("6","5","9","2","10","7","1") = "9"
    & skf18("6","5","9","2","10","8","1") = "9"
    & skf18("6","5","9","2","10","9","1") = "9"
    & skf18("6","5","9","2","10","10","1") = "9"
    & skf18("6","5","9","3","1","1","1") = "8"
    & skf18("6","5","9","3","1","2","1") = "8"
    & skf18("6","5","9","3","1","3","1") = "8"
    & skf18("6","5","9","3","1","4","1") = "8"
    & skf18("6","5","9","3","1","5","1") = "8"
    & skf18("6","5","9","3","1","6","1") = "8"
    & skf18("6","5","9","3","1","7","1") = "8"
    & skf18("6","5","9","3","1","8","1") = "8"
    & skf18("6","5","9","3","1","9","1") = "8"
    & skf18("6","5","9","3","1","10","1") = "9"
    & skf18("6","5","9","3","2","1","1") = "8"
    & skf18("6","5","9","3","2","2","1") = "8"
    & skf18("6","5","9","3","2","3","1") = "8"
    & skf18("6","5","9","3","2","4","1") = "8"
    & skf18("6","5","9","3","2","5","1") = "8"
    & skf18("6","5","9","3","2","6","1") = "8"
    & skf18("6","5","9","3","2","7","1") = "8"
    & skf18("6","5","9","3","2","8","1") = "8"
    & skf18("6","5","9","3","2","9","1") = "8"
    & skf18("6","5","9","3","2","10","1") = "9"
    & skf18("6","5","9","3","3","1","1") = "8"
    & skf18("6","5","9","3","3","2","1") = "8"
    & skf18("6","5","9","3","3","3","1") = "8"
    & skf18("6","5","9","3","3","4","1") = "8"
    & skf18("6","5","9","3","3","5","1") = "8"
    & skf18("6","5","9","3","3","6","1") = "8"
    & skf18("6","5","9","3","3","7","1") = "8"
    & skf18("6","5","9","3","3","8","1") = "8"
    & skf18("6","5","9","3","3","9","1") = "8"
    & skf18("6","5","9","3","3","10","1") = "9"
    & skf18("6","5","9","3","4","1","1") = "8"
    & skf18("6","5","9","3","4","2","1") = "8"
    & skf18("6","5","9","3","4","3","1") = "8"
    & skf18("6","5","9","3","4","4","1") = "8"
    & skf18("6","5","9","3","4","5","1") = "8"
    & skf18("6","5","9","3","4","6","1") = "8"
    & skf18("6","5","9","3","4","7","1") = "8"
    & skf18("6","5","9","3","4","8","1") = "8"
    & skf18("6","5","9","3","4","9","1") = "8"
    & skf18("6","5","9","3","4","10","1") = "9"
    & skf18("6","5","9","3","5","1","1") = "8"
    & skf18("6","5","9","3","5","2","1") = "8"
    & skf18("6","5","9","3","5","3","1") = "8"
    & skf18("6","5","9","3","5","4","1") = "8"
    & skf18("6","5","9","3","5","5","1") = "8"
    & skf18("6","5","9","3","5","6","1") = "8"
    & skf18("6","5","9","3","5","7","1") = "8"
    & skf18("6","5","9","3","5","8","1") = "8"
    & skf18("6","5","9","3","5","9","1") = "8"
    & skf18("6","5","9","3","5","10","1") = "9"
    & skf18("6","5","9","3","6","1","1") = "8"
    & skf18("6","5","9","3","6","2","1") = "8"
    & skf18("6","5","9","3","6","3","1") = "8"
    & skf18("6","5","9","3","6","4","1") = "8"
    & skf18("6","5","9","3","6","5","1") = "8"
    & skf18("6","5","9","3","6","6","1") = "8"
    & skf18("6","5","9","3","6","7","1") = "8"
    & skf18("6","5","9","3","6","8","1") = "8"
    & skf18("6","5","9","3","6","9","1") = "8"
    & skf18("6","5","9","3","6","10","1") = "9"
    & skf18("6","5","9","3","7","1","1") = "8"
    & skf18("6","5","9","3","7","2","1") = "8"
    & skf18("6","5","9","3","7","3","1") = "8"
    & skf18("6","5","9","3","7","4","1") = "8"
    & skf18("6","5","9","3","7","5","1") = "8"
    & skf18("6","5","9","3","7","6","1") = "8"
    & skf18("6","5","9","3","7","7","1") = "8"
    & skf18("6","5","9","3","7","8","1") = "8"
    & skf18("6","5","9","3","7","9","1") = "8"
    & skf18("6","5","9","3","7","10","1") = "9"
    & skf18("6","5","9","3","8","1","1") = "8"
    & skf18("6","5","9","3","8","2","1") = "8"
    & skf18("6","5","9","3","8","3","1") = "8"
    & skf18("6","5","9","3","8","4","1") = "8"
    & skf18("6","5","9","3","8","5","1") = "8"
    & skf18("6","5","9","3","8","6","1") = "8"
    & skf18("6","5","9","3","8","7","1") = "8"
    & skf18("6","5","9","3","8","8","1") = "8"
    & skf18("6","5","9","3","8","9","1") = "8"
    & skf18("6","5","9","3","8","10","1") = "9"
    & skf18("6","5","9","3","9","1","1") = "8"
    & skf18("6","5","9","3","9","2","1") = "8"
    & skf18("6","5","9","3","9","3","1") = "8"
    & skf18("6","5","9","3","9","4","1") = "8"
    & skf18("6","5","9","3","9","5","1") = "8"
    & skf18("6","5","9","3","9","6","1") = "8"
    & skf18("6","5","9","3","9","7","1") = "8"
    & skf18("6","5","9","3","9","8","1") = "8"
    & skf18("6","5","9","3","9","9","1") = "8"
    & skf18("6","5","9","3","9","10","1") = "9"
    & skf18("6","5","9","3","10","1","1") = "9"
    & skf18("6","5","9","3","10","2","1") = "9"
    & skf18("6","5","9","3","10","3","1") = "9"
    & skf18("6","5","9","3","10","4","1") = "9"
    & skf18("6","5","9","3","10","5","1") = "9"
    & skf18("6","5","9","3","10","6","1") = "9"
    & skf18("6","5","9","3","10","7","1") = "9"
    & skf18("6","5","9","3","10","8","1") = "9"
    & skf18("6","5","9","3","10","9","1") = "9"
    & skf18("6","5","9","3","10","10","1") = "9"
    & skf18("6","5","9","4","1","1","1") = "8"
    & skf18("6","5","9","4","1","2","1") = "8"
    & skf18("6","5","9","4","1","3","1") = "8"
    & skf18("6","5","9","4","1","4","1") = "8"
    & skf18("6","5","9","4","1","5","1") = "8"
    & skf18("6","5","9","4","1","6","1") = "8"
    & skf18("6","5","9","4","1","7","1") = "8"
    & skf18("6","5","9","4","1","8","1") = "8"
    & skf18("6","5","9","4","1","9","1") = "8"
    & skf18("6","5","9","4","1","10","1") = "9"
    & skf18("6","5","9","4","2","1","1") = "8"
    & skf18("6","5","9","4","2","2","1") = "8"
    & skf18("6","5","9","4","2","3","1") = "8"
    & skf18("6","5","9","4","2","4","1") = "8"
    & skf18("6","5","9","4","2","5","1") = "8"
    & skf18("6","5","9","4","2","6","1") = "8"
    & skf18("6","5","9","4","2","7","1") = "8"
    & skf18("6","5","9","4","2","8","1") = "8"
    & skf18("6","5","9","4","2","9","1") = "8"
    & skf18("6","5","9","4","2","10","1") = "9"
    & skf18("6","5","9","4","3","1","1") = "8"
    & skf18("6","5","9","4","3","2","1") = "8"
    & skf18("6","5","9","4","3","3","1") = "8"
    & skf18("6","5","9","4","3","4","1") = "8"
    & skf18("6","5","9","4","3","5","1") = "8"
    & skf18("6","5","9","4","3","6","1") = "8"
    & skf18("6","5","9","4","3","7","1") = "8"
    & skf18("6","5","9","4","3","8","1") = "8"
    & skf18("6","5","9","4","3","9","1") = "8"
    & skf18("6","5","9","4","3","10","1") = "9"
    & skf18("6","5","9","4","4","1","1") = "8"
    & skf18("6","5","9","4","4","2","1") = "8"
    & skf18("6","5","9","4","4","3","1") = "8"
    & skf18("6","5","9","4","4","4","1") = "8"
    & skf18("6","5","9","4","4","5","1") = "8"
    & skf18("6","5","9","4","4","6","1") = "8"
    & skf18("6","5","9","4","4","7","1") = "8"
    & skf18("6","5","9","4","4","8","1") = "8"
    & skf18("6","5","9","4","4","9","1") = "8"
    & skf18("6","5","9","4","4","10","1") = "9"
    & skf18("6","5","9","4","5","1","1") = "8"
    & skf18("6","5","9","4","5","2","1") = "8"
    & skf18("6","5","9","4","5","3","1") = "8"
    & skf18("6","5","9","4","5","4","1") = "8"
    & skf18("6","5","9","4","5","5","1") = "8"
    & skf18("6","5","9","4","5","6","1") = "8"
    & skf18("6","5","9","4","5","7","1") = "8"
    & skf18("6","5","9","4","5","8","1") = "8"
    & skf18("6","5","9","4","5","9","1") = "8"
    & skf18("6","5","9","4","5","10","1") = "9"
    & skf18("6","5","9","4","6","1","1") = "8"
    & skf18("6","5","9","4","6","2","1") = "8"
    & skf18("6","5","9","4","6","3","1") = "8"
    & skf18("6","5","9","4","6","4","1") = "8"
    & skf18("6","5","9","4","6","5","1") = "8"
    & skf18("6","5","9","4","6","6","1") = "8"
    & skf18("6","5","9","4","6","7","1") = "8"
    & skf18("6","5","9","4","6","8","1") = "8"
    & skf18("6","5","9","4","6","9","1") = "8"
    & skf18("6","5","9","4","6","10","1") = "9"
    & skf18("6","5","9","4","7","1","1") = "8"
    & skf18("6","5","9","4","7","2","1") = "8"
    & skf18("6","5","9","4","7","3","1") = "8"
    & skf18("6","5","9","4","7","4","1") = "8"
    & skf18("6","5","9","4","7","5","1") = "8"
    & skf18("6","5","9","4","7","6","1") = "8"
    & skf18("6","5","9","4","7","7","1") = "8"
    & skf18("6","5","9","4","7","8","1") = "8"
    & skf18("6","5","9","4","7","9","1") = "8"
    & skf18("6","5","9","4","7","10","1") = "9"
    & skf18("6","5","9","4","8","1","1") = "8"
    & skf18("6","5","9","4","8","2","1") = "8"
    & skf18("6","5","9","4","8","3","1") = "8"
    & skf18("6","5","9","4","8","4","1") = "8"
    & skf18("6","5","9","4","8","5","1") = "8"
    & skf18("6","5","9","4","8","6","1") = "8"
    & skf18("6","5","9","4","8","7","1") = "8"
    & skf18("6","5","9","4","8","8","1") = "8"
    & skf18("6","5","9","4","8","9","1") = "8"
    & skf18("6","5","9","4","8","10","1") = "9"
    & skf18("6","5","9","4","9","1","1") = "8"
    & skf18("6","5","9","4","9","2","1") = "8"
    & skf18("6","5","9","4","9","3","1") = "8"
    & skf18("6","5","9","4","9","4","1") = "8"
    & skf18("6","5","9","4","9","5","1") = "8"
    & skf18("6","5","9","4","9","6","1") = "8"
    & skf18("6","5","9","4","9","7","1") = "8"
    & skf18("6","5","9","4","9","8","1") = "8"
    & skf18("6","5","9","4","9","9","1") = "8"
    & skf18("6","5","9","4","9","10","1") = "9"
    & skf18("6","5","9","4","10","1","1") = "9"
    & skf18("6","5","9","4","10","2","1") = "9"
    & skf18("6","5","9","4","10","3","1") = "9"
    & skf18("6","5","9","4","10","4","1") = "9"
    & skf18("6","5","9","4","10","5","1") = "9"
    & skf18("6","5","9","4","10","6","1") = "9"
    & skf18("6","5","9","4","10","7","1") = "9"
    & skf18("6","5","9","4","10","8","1") = "9"
    & skf18("6","5","9","4","10","9","1") = "9"
    & skf18("6","5","9","4","10","10","1") = "9"
    & skf18("6","5","9","5","1","1","1") = "8"
    & skf18("6","5","9","5","1","2","1") = "8"
    & skf18("6","5","9","5","1","3","1") = "8"
    & skf18("6","5","9","5","1","4","1") = "8"
    & skf18("6","5","9","5","1","5","1") = "8"
    & skf18("6","5","9","5","1","6","1") = "8"
    & skf18("6","5","9","5","1","7","1") = "8"
    & skf18("6","5","9","5","1","8","1") = "8"
    & skf18("6","5","9","5","1","9","1") = "8"
    & skf18("6","5","9","5","1","10","1") = "9"
    & skf18("6","5","9","5","2","1","1") = "8"
    & skf18("6","5","9","5","2","2","1") = "8"
    & skf18("6","5","9","5","2","3","1") = "8"
    & skf18("6","5","9","5","2","4","1") = "8"
    & skf18("6","5","9","5","2","5","1") = "8"
    & skf18("6","5","9","5","2","6","1") = "8"
    & skf18("6","5","9","5","2","7","1") = "8"
    & skf18("6","5","9","5","2","8","1") = "8"
    & skf18("6","5","9","5","2","9","1") = "8"
    & skf18("6","5","9","5","2","10","1") = "9"
    & skf18("6","5","9","5","3","1","1") = "8"
    & skf18("6","5","9","5","3","2","1") = "8"
    & skf18("6","5","9","5","3","3","1") = "8"
    & skf18("6","5","9","5","3","4","1") = "8"
    & skf18("6","5","9","5","3","5","1") = "8"
    & skf18("6","5","9","5","3","6","1") = "8"
    & skf18("6","5","9","5","3","7","1") = "8"
    & skf18("6","5","9","5","3","8","1") = "8"
    & skf18("6","5","9","5","3","9","1") = "8"
    & skf18("6","5","9","5","3","10","1") = "9"
    & skf18("6","5","9","5","4","1","1") = "8"
    & skf18("6","5","9","5","4","2","1") = "8"
    & skf18("6","5","9","5","4","3","1") = "8"
    & skf18("6","5","9","5","4","4","1") = "8"
    & skf18("6","5","9","5","4","5","1") = "8"
    & skf18("6","5","9","5","4","6","1") = "8"
    & skf18("6","5","9","5","4","7","1") = "8"
    & skf18("6","5","9","5","4","8","1") = "8"
    & skf18("6","5","9","5","4","9","1") = "8"
    & skf18("6","5","9","5","4","10","1") = "9"
    & skf18("6","5","9","5","5","1","1") = "8"
    & skf18("6","5","9","5","5","2","1") = "8"
    & skf18("6","5","9","5","5","3","1") = "8"
    & skf18("6","5","9","5","5","4","1") = "8"
    & skf18("6","5","9","5","5","5","1") = "8"
    & skf18("6","5","9","5","5","6","1") = "8"
    & skf18("6","5","9","5","5","7","1") = "8"
    & skf18("6","5","9","5","5","8","1") = "8"
    & skf18("6","5","9","5","5","9","1") = "8"
    & skf18("6","5","9","5","5","10","1") = "9"
    & skf18("6","5","9","5","6","1","1") = "8"
    & skf18("6","5","9","5","6","2","1") = "8"
    & skf18("6","5","9","5","6","3","1") = "8"
    & skf18("6","5","9","5","6","4","1") = "8"
    & skf18("6","5","9","5","6","5","1") = "8"
    & skf18("6","5","9","5","6","6","1") = "8"
    & skf18("6","5","9","5","6","7","1") = "8"
    & skf18("6","5","9","5","6","8","1") = "8"
    & skf18("6","5","9","5","6","9","1") = "8"
    & skf18("6","5","9","5","6","10","1") = "9"
    & skf18("6","5","9","5","7","1","1") = "8"
    & skf18("6","5","9","5","7","2","1") = "8"
    & skf18("6","5","9","5","7","3","1") = "8"
    & skf18("6","5","9","5","7","4","1") = "8"
    & skf18("6","5","9","5","7","5","1") = "8"
    & skf18("6","5","9","5","7","6","1") = "8"
    & skf18("6","5","9","5","7","7","1") = "8"
    & skf18("6","5","9","5","7","8","1") = "8"
    & skf18("6","5","9","5","7","9","1") = "8"
    & skf18("6","5","9","5","7","10","1") = "9"
    & skf18("6","5","9","5","8","1","1") = "8"
    & skf18("6","5","9","5","8","2","1") = "8"
    & skf18("6","5","9","5","8","3","1") = "8"
    & skf18("6","5","9","5","8","4","1") = "8"
    & skf18("6","5","9","5","8","5","1") = "8"
    & skf18("6","5","9","5","8","6","1") = "8"
    & skf18("6","5","9","5","8","7","1") = "8"
    & skf18("6","5","9","5","8","8","1") = "8"
    & skf18("6","5","9","5","8","9","1") = "8"
    & skf18("6","5","9","5","8","10","1") = "9"
    & skf18("6","5","9","5","9","1","1") = "8"
    & skf18("6","5","9","5","9","2","1") = "8"
    & skf18("6","5","9","5","9","3","1") = "8"
    & skf18("6","5","9","5","9","4","1") = "8"
    & skf18("6","5","9","5","9","5","1") = "8"
    & skf18("6","5","9","5","9","6","1") = "8"
    & skf18("6","5","9","5","9","7","1") = "8"
    & skf18("6","5","9","5","9","8","1") = "8"
    & skf18("6","5","9","5","9","9","1") = "8"
    & skf18("6","5","9","5","9","10","1") = "9"
    & skf18("6","5","9","5","10","1","1") = "9"
    & skf18("6","5","9","5","10","2","1") = "9"
    & skf18("6","5","9","5","10","3","1") = "9"
    & skf18("6","5","9","5","10","4","1") = "9"
    & skf18("6","5","9","5","10","5","1") = "9"
    & skf18("6","5","9","5","10","6","1") = "9"
    & skf18("6","5","9","5","10","7","1") = "9"
    & skf18("6","5","9","5","10","8","1") = "9"
    & skf18("6","5","9","5","10","9","1") = "9"
    & skf18("6","5","9","5","10","10","1") = "9"
    & skf18("6","5","9","6","1","1","1") = "8"
    & skf18("6","5","9","6","1","2","1") = "8"
    & skf18("6","5","9","6","1","3","1") = "8"
    & skf18("6","5","9","6","1","4","1") = "8"
    & skf18("6","5","9","6","1","5","1") = "8"
    & skf18("6","5","9","6","1","6","1") = "8"
    & skf18("6","5","9","6","1","7","1") = "8"
    & skf18("6","5","9","6","1","8","1") = "8"
    & skf18("6","5","9","6","1","9","1") = "8"
    & skf18("6","5","9","6","1","10","1") = "9"
    & skf18("6","5","9","6","2","1","1") = "8"
    & skf18("6","5","9","6","2","2","1") = "8"
    & skf18("6","5","9","6","2","3","1") = "8"
    & skf18("6","5","9","6","2","4","1") = "8"
    & skf18("6","5","9","6","2","5","1") = "8"
    & skf18("6","5","9","6","2","6","1") = "8"
    & skf18("6","5","9","6","2","7","1") = "8"
    & skf18("6","5","9","6","2","8","1") = "8"
    & skf18("6","5","9","6","2","9","1") = "8"
    & skf18("6","5","9","6","2","10","1") = "9"
    & skf18("6","5","9","6","3","1","1") = "8"
    & skf18("6","5","9","6","3","2","1") = "8"
    & skf18("6","5","9","6","3","3","1") = "8"
    & skf18("6","5","9","6","3","4","1") = "8"
    & skf18("6","5","9","6","3","5","1") = "8"
    & skf18("6","5","9","6","3","6","1") = "8"
    & skf18("6","5","9","6","3","7","1") = "8"
    & skf18("6","5","9","6","3","8","1") = "8"
    & skf18("6","5","9","6","3","9","1") = "8"
    & skf18("6","5","9","6","3","10","1") = "9"
    & skf18("6","5","9","6","4","1","1") = "8"
    & skf18("6","5","9","6","4","2","1") = "8"
    & skf18("6","5","9","6","4","3","1") = "8"
    & skf18("6","5","9","6","4","4","1") = "8"
    & skf18("6","5","9","6","4","5","1") = "8"
    & skf18("6","5","9","6","4","6","1") = "8"
    & skf18("6","5","9","6","4","7","1") = "8"
    & skf18("6","5","9","6","4","8","1") = "8"
    & skf18("6","5","9","6","4","9","1") = "8"
    & skf18("6","5","9","6","4","10","1") = "9"
    & skf18("6","5","9","6","5","1","1") = "8"
    & skf18("6","5","9","6","5","2","1") = "8"
    & skf18("6","5","9","6","5","3","1") = "8"
    & skf18("6","5","9","6","5","4","1") = "8"
    & skf18("6","5","9","6","5","5","1") = "8"
    & skf18("6","5","9","6","5","6","1") = "8"
    & skf18("6","5","9","6","5","7","1") = "8"
    & skf18("6","5","9","6","5","8","1") = "8"
    & skf18("6","5","9","6","5","9","1") = "8"
    & skf18("6","5","9","6","5","10","1") = "9"
    & skf18("6","5","9","6","6","1","1") = "8"
    & skf18("6","5","9","6","6","2","1") = "8"
    & skf18("6","5","9","6","6","3","1") = "8"
    & skf18("6","5","9","6","6","4","1") = "8"
    & skf18("6","5","9","6","6","5","1") = "8"
    & skf18("6","5","9","6","6","6","1") = "8"
    & skf18("6","5","9","6","6","7","1") = "8"
    & skf18("6","5","9","6","6","8","1") = "8"
    & skf18("6","5","9","6","6","9","1") = "8"
    & skf18("6","5","9","6","6","10","1") = "9"
    & skf18("6","5","9","6","7","1","1") = "8"
    & skf18("6","5","9","6","7","2","1") = "8"
    & skf18("6","5","9","6","7","3","1") = "8"
    & skf18("6","5","9","6","7","4","1") = "8"
    & skf18("6","5","9","6","7","5","1") = "8"
    & skf18("6","5","9","6","7","6","1") = "8"
    & skf18("6","5","9","6","7","7","1") = "8"
    & skf18("6","5","9","6","7","8","1") = "8"
    & skf18("6","5","9","6","7","9","1") = "8"
    & skf18("6","5","9","6","7","10","1") = "9"
    & skf18("6","5","9","6","8","1","1") = "8"
    & skf18("6","5","9","6","8","2","1") = "8"
    & skf18("6","5","9","6","8","3","1") = "8"
    & skf18("6","5","9","6","8","4","1") = "8"
    & skf18("6","5","9","6","8","5","1") = "8"
    & skf18("6","5","9","6","8","6","1") = "8"
    & skf18("6","5","9","6","8","7","1") = "8"
    & skf18("6","5","9","6","8","8","1") = "8"
    & skf18("6","5","9","6","8","9","1") = "8"
    & skf18("6","5","9","6","8","10","1") = "9"
    & skf18("6","5","9","6","9","1","1") = "8"
    & skf18("6","5","9","6","9","2","1") = "8"
    & skf18("6","5","9","6","9","3","1") = "8"
    & skf18("6","5","9","6","9","4","1") = "8"
    & skf18("6","5","9","6","9","5","1") = "8"
    & skf18("6","5","9","6","9","6","1") = "8"
    & skf18("6","5","9","6","9","7","1") = "8"
    & skf18("6","5","9","6","9","8","1") = "8"
    & skf18("6","5","9","6","9","9","1") = "8"
    & skf18("6","5","9","6","9","10","1") = "9"
    & skf18("6","5","9","6","10","1","1") = "9"
    & skf18("6","5","9","6","10","2","1") = "9"
    & skf18("6","5","9","6","10","3","1") = "9"
    & skf18("6","5","9","6","10","4","1") = "9"
    & skf18("6","5","9","6","10","5","1") = "9"
    & skf18("6","5","9","6","10","6","1") = "9"
    & skf18("6","5","9","6","10","7","1") = "9"
    & skf18("6","5","9","6","10","8","1") = "9"
    & skf18("6","5","9","6","10","9","1") = "9"
    & skf18("6","5","9","6","10","10","1") = "9"
    & skf18("6","5","9","7","1","1","1") = "8"
    & skf18("6","5","9","7","1","2","1") = "8"
    & skf18("6","5","9","7","1","3","1") = "8"
    & skf18("6","5","9","7","1","4","1") = "8"
    & skf18("6","5","9","7","1","5","1") = "8"
    & skf18("6","5","9","7","1","6","1") = "8"
    & skf18("6","5","9","7","1","7","1") = "8"
    & skf18("6","5","9","7","1","8","1") = "8"
    & skf18("6","5","9","7","1","9","1") = "8"
    & skf18("6","5","9","7","1","10","1") = "9"
    & skf18("6","5","9","7","2","1","1") = "8"
    & skf18("6","5","9","7","2","2","1") = "8"
    & skf18("6","5","9","7","2","3","1") = "8"
    & skf18("6","5","9","7","2","4","1") = "8"
    & skf18("6","5","9","7","2","5","1") = "8"
    & skf18("6","5","9","7","2","6","1") = "8"
    & skf18("6","5","9","7","2","7","1") = "8"
    & skf18("6","5","9","7","2","8","1") = "8"
    & skf18("6","5","9","7","2","9","1") = "8"
    & skf18("6","5","9","7","2","10","1") = "9"
    & skf18("6","5","9","7","3","1","1") = "8"
    & skf18("6","5","9","7","3","2","1") = "8"
    & skf18("6","5","9","7","3","3","1") = "8"
    & skf18("6","5","9","7","3","4","1") = "8"
    & skf18("6","5","9","7","3","5","1") = "8"
    & skf18("6","5","9","7","3","6","1") = "8"
    & skf18("6","5","9","7","3","7","1") = "8"
    & skf18("6","5","9","7","3","8","1") = "8"
    & skf18("6","5","9","7","3","9","1") = "8"
    & skf18("6","5","9","7","3","10","1") = "9"
    & skf18("6","5","9","7","4","1","1") = "8"
    & skf18("6","5","9","7","4","2","1") = "8"
    & skf18("6","5","9","7","4","3","1") = "8"
    & skf18("6","5","9","7","4","4","1") = "8"
    & skf18("6","5","9","7","4","5","1") = "8"
    & skf18("6","5","9","7","4","6","1") = "8"
    & skf18("6","5","9","7","4","7","1") = "8"
    & skf18("6","5","9","7","4","8","1") = "8"
    & skf18("6","5","9","7","4","9","1") = "8"
    & skf18("6","5","9","7","4","10","1") = "9"
    & skf18("6","5","9","7","5","1","1") = "8"
    & skf18("6","5","9","7","5","2","1") = "8"
    & skf18("6","5","9","7","5","3","1") = "8"
    & skf18("6","5","9","7","5","4","1") = "8"
    & skf18("6","5","9","7","5","5","1") = "8"
    & skf18("6","5","9","7","5","6","1") = "8"
    & skf18("6","5","9","7","5","7","1") = "8"
    & skf18("6","5","9","7","5","8","1") = "8"
    & skf18("6","5","9","7","5","9","1") = "8"
    & skf18("6","5","9","7","5","10","1") = "9"
    & skf18("6","5","9","7","6","1","1") = "8"
    & skf18("6","5","9","7","6","2","1") = "8"
    & skf18("6","5","9","7","6","3","1") = "8"
    & skf18("6","5","9","7","6","4","1") = "8"
    & skf18("6","5","9","7","6","5","1") = "8"
    & skf18("6","5","9","7","6","6","1") = "8"
    & skf18("6","5","9","7","6","7","1") = "8"
    & skf18("6","5","9","7","6","8","1") = "8"
    & skf18("6","5","9","7","6","9","1") = "8"
    & skf18("6","5","9","7","6","10","1") = "9"
    & skf18("6","5","9","7","7","1","1") = "8"
    & skf18("6","5","9","7","7","2","1") = "8"
    & skf18("6","5","9","7","7","3","1") = "8"
    & skf18("6","5","9","7","7","4","1") = "8"
    & skf18("6","5","9","7","7","5","1") = "8"
    & skf18("6","5","9","7","7","6","1") = "8"
    & skf18("6","5","9","7","7","7","1") = "8"
    & skf18("6","5","9","7","7","8","1") = "8"
    & skf18("6","5","9","7","7","9","1") = "8"
    & skf18("6","5","9","7","7","10","1") = "9"
    & skf18("6","5","9","7","8","1","1") = "8"
    & skf18("6","5","9","7","8","2","1") = "8"
    & skf18("6","5","9","7","8","3","1") = "8"
    & skf18("6","5","9","7","8","4","1") = "8"
    & skf18("6","5","9","7","8","5","1") = "8"
    & skf18("6","5","9","7","8","6","1") = "8"
    & skf18("6","5","9","7","8","7","1") = "8"
    & skf18("6","5","9","7","8","8","1") = "8"
    & skf18("6","5","9","7","8","9","1") = "8"
    & skf18("6","5","9","7","8","10","1") = "9"
    & skf18("6","5","9","7","9","1","1") = "8"
    & skf18("6","5","9","7","9","2","1") = "8"
    & skf18("6","5","9","7","9","3","1") = "8"
    & skf18("6","5","9","7","9","4","1") = "8"
    & skf18("6","5","9","7","9","5","1") = "8"
    & skf18("6","5","9","7","9","6","1") = "8"
    & skf18("6","5","9","7","9","7","1") = "8"
    & skf18("6","5","9","7","9","8","1") = "8"
    & skf18("6","5","9","7","9","9","1") = "8"
    & skf18("6","5","9","7","9","10","1") = "9"
    & skf18("6","5","9","7","10","1","1") = "9"
    & skf18("6","5","9","7","10","2","1") = "9"
    & skf18("6","5","9","7","10","3","1") = "9"
    & skf18("6","5","9","7","10","4","1") = "9"
    & skf18("6","5","9","7","10","5","1") = "9"
    & skf18("6","5","9","7","10","6","1") = "9"
    & skf18("6","5","9","7","10","7","1") = "9"
    & skf18("6","5","9","7","10","8","1") = "9"
    & skf18("6","5","9","7","10","9","1") = "9"
    & skf18("6","5","9","7","10","10","1") = "9"
    & skf18("6","5","9","8","1","1","1") = "8"
    & skf18("6","5","9","8","1","2","1") = "8"
    & skf18("6","5","9","8","1","3","1") = "8"
    & skf18("6","5","9","8","1","4","1") = "8"
    & skf18("6","5","9","8","1","5","1") = "8"
    & skf18("6","5","9","8","1","6","1") = "8"
    & skf18("6","5","9","8","1","7","1") = "8"
    & skf18("6","5","9","8","1","8","1") = "8"
    & skf18("6","5","9","8","1","9","1") = "8"
    & skf18("6","5","9","8","1","10","1") = "9"
    & skf18("6","5","9","8","2","1","1") = "8"
    & skf18("6","5","9","8","2","2","1") = "8"
    & skf18("6","5","9","8","2","3","1") = "8"
    & skf18("6","5","9","8","2","4","1") = "8"
    & skf18("6","5","9","8","2","5","1") = "8"
    & skf18("6","5","9","8","2","6","1") = "8"
    & skf18("6","5","9","8","2","7","1") = "8"
    & skf18("6","5","9","8","2","8","1") = "8"
    & skf18("6","5","9","8","2","9","1") = "8"
    & skf18("6","5","9","8","2","10","1") = "9"
    & skf18("6","5","9","8","3","1","1") = "8"
    & skf18("6","5","9","8","3","2","1") = "8"
    & skf18("6","5","9","8","3","3","1") = "8"
    & skf18("6","5","9","8","3","4","1") = "8"
    & skf18("6","5","9","8","3","5","1") = "8"
    & skf18("6","5","9","8","3","6","1") = "8"
    & skf18("6","5","9","8","3","7","1") = "8"
    & skf18("6","5","9","8","3","8","1") = "8"
    & skf18("6","5","9","8","3","9","1") = "8"
    & skf18("6","5","9","8","3","10","1") = "9"
    & skf18("6","5","9","8","4","1","1") = "8"
    & skf18("6","5","9","8","4","2","1") = "8"
    & skf18("6","5","9","8","4","3","1") = "8"
    & skf18("6","5","9","8","4","4","1") = "8"
    & skf18("6","5","9","8","4","5","1") = "8"
    & skf18("6","5","9","8","4","6","1") = "8"
    & skf18("6","5","9","8","4","7","1") = "8"
    & skf18("6","5","9","8","4","8","1") = "8"
    & skf18("6","5","9","8","4","9","1") = "8"
    & skf18("6","5","9","8","4","10","1") = "9"
    & skf18("6","5","9","8","5","1","1") = "8"
    & skf18("6","5","9","8","5","2","1") = "8"
    & skf18("6","5","9","8","5","3","1") = "8"
    & skf18("6","5","9","8","5","4","1") = "8"
    & skf18("6","5","9","8","5","5","1") = "8"
    & skf18("6","5","9","8","5","6","1") = "8"
    & skf18("6","5","9","8","5","7","1") = "8"
    & skf18("6","5","9","8","5","8","1") = "8"
    & skf18("6","5","9","8","5","9","1") = "8"
    & skf18("6","5","9","8","5","10","1") = "9"
    & skf18("6","5","9","8","6","1","1") = "8"
    & skf18("6","5","9","8","6","2","1") = "8"
    & skf18("6","5","9","8","6","3","1") = "8"
    & skf18("6","5","9","8","6","4","1") = "8"
    & skf18("6","5","9","8","6","5","1") = "8"
    & skf18("6","5","9","8","6","6","1") = "8"
    & skf18("6","5","9","8","6","7","1") = "8"
    & skf18("6","5","9","8","6","8","1") = "8"
    & skf18("6","5","9","8","6","9","1") = "8"
    & skf18("6","5","9","8","6","10","1") = "9"
    & skf18("6","5","9","8","7","1","1") = "8"
    & skf18("6","5","9","8","7","2","1") = "8"
    & skf18("6","5","9","8","7","3","1") = "8"
    & skf18("6","5","9","8","7","4","1") = "8"
    & skf18("6","5","9","8","7","5","1") = "8"
    & skf18("6","5","9","8","7","6","1") = "8"
    & skf18("6","5","9","8","7","7","1") = "8"
    & skf18("6","5","9","8","7","8","1") = "8"
    & skf18("6","5","9","8","7","9","1") = "8"
    & skf18("6","5","9","8","7","10","1") = "9"
    & skf18("6","5","9","8","8","1","1") = "8"
    & skf18("6","5","9","8","8","2","1") = "8"
    & skf18("6","5","9","8","8","3","1") = "8"
    & skf18("6","5","9","8","8","4","1") = "8"
    & skf18("6","5","9","8","8","5","1") = "8"
    & skf18("6","5","9","8","8","6","1") = "8"
    & skf18("6","5","9","8","8","7","1") = "8"
    & skf18("6","5","9","8","8","8","1") = "8"
    & skf18("6","5","9","8","8","9","1") = "8"
    & skf18("6","5","9","8","8","10","1") = "9"
    & skf18("6","5","9","8","9","1","1") = "8"
    & skf18("6","5","9","8","9","2","1") = "8"
    & skf18("6","5","9","8","9","3","1") = "8"
    & skf18("6","5","9","8","9","4","1") = "8"
    & skf18("6","5","9","8","9","5","1") = "8"
    & skf18("6","5","9","8","9","6","1") = "8"
    & skf18("6","5","9","8","9","7","1") = "8"
    & skf18("6","5","9","8","9","8","1") = "8"
    & skf18("6","5","9","8","9","9","1") = "8"
    & skf18("6","5","9","8","9","10","1") = "9"
    & skf18("6","5","9","8","10","1","1") = "9"
    & skf18("6","5","9","8","10","2","1") = "9"
    & skf18("6","5","9","8","10","3","1") = "9"
    & skf18("6","5","9","8","10","4","1") = "9"
    & skf18("6","5","9","8","10","5","1") = "9"
    & skf18("6","5","9","8","10","6","1") = "9"
    & skf18("6","5","9","8","10","7","1") = "9"
    & skf18("6","5","9","8","10","8","1") = "9"
    & skf18("6","5","9","8","10","9","1") = "9"
    & skf18("6","5","9","8","10","10","1") = "9"
    & skf18("6","5","9","9","1","1","1") = "8"
    & skf18("6","5","9","9","1","2","1") = "8"
    & skf18("6","5","9","9","1","3","1") = "8"
    & skf18("6","5","9","9","1","4","1") = "8"
    & skf18("6","5","9","9","1","5","1") = "8"
    & skf18("6","5","9","9","1","6","1") = "8"
    & skf18("6","5","9","9","1","7","1") = "8"
    & skf18("6","5","9","9","1","8","1") = "8"
    & skf18("6","5","9","9","1","9","1") = "8"
    & skf18("6","5","9","9","1","10","1") = "9"
    & skf18("6","5","9","9","2","1","1") = "8"
    & skf18("6","5","9","9","2","2","1") = "8"
    & skf18("6","5","9","9","2","3","1") = "8"
    & skf18("6","5","9","9","2","4","1") = "8"
    & skf18("6","5","9","9","2","5","1") = "8"
    & skf18("6","5","9","9","2","6","1") = "8"
    & skf18("6","5","9","9","2","7","1") = "8"
    & skf18("6","5","9","9","2","8","1") = "8"
    & skf18("6","5","9","9","2","9","1") = "8"
    & skf18("6","5","9","9","2","10","1") = "9"
    & skf18("6","5","9","9","3","1","1") = "8"
    & skf18("6","5","9","9","3","2","1") = "8"
    & skf18("6","5","9","9","3","3","1") = "8"
    & skf18("6","5","9","9","3","4","1") = "8"
    & skf18("6","5","9","9","3","5","1") = "8"
    & skf18("6","5","9","9","3","6","1") = "8"
    & skf18("6","5","9","9","3","7","1") = "8"
    & skf18("6","5","9","9","3","8","1") = "8"
    & skf18("6","5","9","9","3","9","1") = "8"
    & skf18("6","5","9","9","3","10","1") = "9"
    & skf18("6","5","9","9","4","1","1") = "8"
    & skf18("6","5","9","9","4","2","1") = "8"
    & skf18("6","5","9","9","4","3","1") = "8"
    & skf18("6","5","9","9","4","4","1") = "8"
    & skf18("6","5","9","9","4","5","1") = "8"
    & skf18("6","5","9","9","4","6","1") = "8"
    & skf18("6","5","9","9","4","7","1") = "8"
    & skf18("6","5","9","9","4","8","1") = "8"
    & skf18("6","5","9","9","4","9","1") = "8"
    & skf18("6","5","9","9","4","10","1") = "9"
    & skf18("6","5","9","9","5","1","1") = "8"
    & skf18("6","5","9","9","5","2","1") = "8"
    & skf18("6","5","9","9","5","3","1") = "8"
    & skf18("6","5","9","9","5","4","1") = "8"
    & skf18("6","5","9","9","5","5","1") = "8"
    & skf18("6","5","9","9","5","6","1") = "8"
    & skf18("6","5","9","9","5","7","1") = "8"
    & skf18("6","5","9","9","5","8","1") = "8"
    & skf18("6","5","9","9","5","9","1") = "8"
    & skf18("6","5","9","9","5","10","1") = "9"
    & skf18("6","5","9","9","6","1","1") = "8"
    & skf18("6","5","9","9","6","2","1") = "8"
    & skf18("6","5","9","9","6","3","1") = "8"
    & skf18("6","5","9","9","6","4","1") = "8"
    & skf18("6","5","9","9","6","5","1") = "8"
    & skf18("6","5","9","9","6","6","1") = "8"
    & skf18("6","5","9","9","6","7","1") = "8"
    & skf18("6","5","9","9","6","8","1") = "8"
    & skf18("6","5","9","9","6","9","1") = "8"
    & skf18("6","5","9","9","6","10","1") = "9"
    & skf18("6","5","9","9","7","1","1") = "8"
    & skf18("6","5","9","9","7","2","1") = "8"
    & skf18("6","5","9","9","7","3","1") = "8"
    & skf18("6","5","9","9","7","4","1") = "8"
    & skf18("6","5","9","9","7","5","1") = "8"
    & skf18("6","5","9","9","7","6","1") = "8"
    & skf18("6","5","9","9","7","7","1") = "8"
    & skf18("6","5","9","9","7","8","1") = "8"
    & skf18("6","5","9","9","7","9","1") = "8"
    & skf18("6","5","9","9","7","10","1") = "9"
    & skf18("6","5","9","9","8","1","1") = "8"
    & skf18("6","5","9","9","8","2","1") = "8"
    & skf18("6","5","9","9","8","3","1") = "8"
    & skf18("6","5","9","9","8","4","1") = "8"
    & skf18("6","5","9","9","8","5","1") = "8"
    & skf18("6","5","9","9","8","6","1") = "8"
    & skf18("6","5","9","9","8","7","1") = "8"
    & skf18("6","5","9","9","8","8","1") = "8"
    & skf18("6","5","9","9","8","9","1") = "8"
    & skf18("6","5","9","9","8","10","1") = "9"
    & skf18("6","5","9","9","9","1","1") = "8"
    & skf18("6","5","9","9","9","2","1") = "8"
    & skf18("6","5","9","9","9","3","1") = "8"
    & skf18("6","5","9","9","9","4","1") = "8"
    & skf18("6","5","9","9","9","5","1") = "8"
    & skf18("6","5","9","9","9","6","1") = "8"
    & skf18("6","5","9","9","9","7","1") = "8"
    & skf18("6","5","9","9","9","8","1") = "8"
    & skf18("6","5","9","9","9","9","1") = "8"
    & skf18("6","5","9","9","9","10","1") = "9"
    & skf18("6","5","9","9","10","1","1") = "9"
    & skf18("6","5","9","9","10","2","1") = "9"
    & skf18("6","5","9","9","10","3","1") = "9"
    & skf18("6","5","9","9","10","4","1") = "9"
    & skf18("6","5","9","9","10","5","1") = "9"
    & skf18("6","5","9","9","10","6","1") = "9"
    & skf18("6","5","9","9","10","7","1") = "9"
    & skf18("6","5","9","9","10","8","1") = "9"
    & skf18("6","5","9","9","10","9","1") = "9"
    & skf18("6","5","9","9","10","10","1") = "9"
    & skf18("6","5","9","10","1","1","1") = "9"
    & skf18("6","5","9","10","1","2","1") = "9"
    & skf18("6","5","9","10","1","3","1") = "9"
    & skf18("6","5","9","10","1","4","1") = "9"
    & skf18("6","5","9","10","1","5","1") = "9"
    & skf18("6","5","9","10","1","6","1") = "9"
    & skf18("6","5","9","10","1","7","1") = "9"
    & skf18("6","5","9","10","1","8","1") = "9"
    & skf18("6","5","9","10","1","9","1") = "9"
    & skf18("6","5","9","10","1","10","1") = "9"
    & skf18("6","5","9","10","2","1","1") = "9"
    & skf18("6","5","9","10","2","2","1") = "9"
    & skf18("6","5","9","10","2","3","1") = "9"
    & skf18("6","5","9","10","2","4","1") = "9"
    & skf18("6","5","9","10","2","5","1") = "9"
    & skf18("6","5","9","10","2","6","1") = "9"
    & skf18("6","5","9","10","2","7","1") = "9"
    & skf18("6","5","9","10","2","8","1") = "9"
    & skf18("6","5","9","10","2","9","1") = "9"
    & skf18("6","5","9","10","2","10","1") = "9"
    & skf18("6","5","9","10","3","1","1") = "9"
    & skf18("6","5","9","10","3","2","1") = "9"
    & skf18("6","5","9","10","3","3","1") = "9"
    & skf18("6","5","9","10","3","4","1") = "9"
    & skf18("6","5","9","10","3","5","1") = "9"
    & skf18("6","5","9","10","3","6","1") = "9"
    & skf18("6","5","9","10","3","7","1") = "9"
    & skf18("6","5","9","10","3","8","1") = "9"
    & skf18("6","5","9","10","3","9","1") = "9"
    & skf18("6","5","9","10","3","10","1") = "9"
    & skf18("6","5","9","10","4","1","1") = "9"
    & skf18("6","5","9","10","4","2","1") = "9"
    & skf18("6","5","9","10","4","3","1") = "9"
    & skf18("6","5","9","10","4","4","1") = "9"
    & skf18("6","5","9","10","4","5","1") = "9"
    & skf18("6","5","9","10","4","6","1") = "9"
    & skf18("6","5","9","10","4","7","1") = "9"
    & skf18("6","5","9","10","4","8","1") = "9"
    & skf18("6","5","9","10","4","9","1") = "9"
    & skf18("6","5","9","10","4","10","1") = "9"
    & skf18("6","5","9","10","5","1","1") = "9"
    & skf18("6","5","9","10","5","2","1") = "9"
    & skf18("6","5","9","10","5","3","1") = "9"
    & skf18("6","5","9","10","5","4","1") = "9"
    & skf18("6","5","9","10","5","5","1") = "9"
    & skf18("6","5","9","10","5","6","1") = "9"
    & skf18("6","5","9","10","5","7","1") = "9"
    & skf18("6","5","9","10","5","8","1") = "9"
    & skf18("6","5","9","10","5","9","1") = "9"
    & skf18("6","5","9","10","5","10","1") = "9"
    & skf18("6","5","9","10","6","1","1") = "9"
    & skf18("6","5","9","10","6","2","1") = "9"
    & skf18("6","5","9","10","6","3","1") = "9"
    & skf18("6","5","9","10","6","4","1") = "9"
    & skf18("6","5","9","10","6","5","1") = "9"
    & skf18("6","5","9","10","6","6","1") = "9"
    & skf18("6","5","9","10","6","7","1") = "9"
    & skf18("6","5","9","10","6","8","1") = "9"
    & skf18("6","5","9","10","6","9","1") = "9"
    & skf18("6","5","9","10","6","10","1") = "9"
    & skf18("6","5","9","10","7","1","1") = "9"
    & skf18("6","5","9","10","7","2","1") = "9"
    & skf18("6","5","9","10","7","3","1") = "9"
    & skf18("6","5","9","10","7","4","1") = "9"
    & skf18("6","5","9","10","7","5","1") = "9"
    & skf18("6","5","9","10","7","6","1") = "9"
    & skf18("6","5","9","10","7","7","1") = "9"
    & skf18("6","5","9","10","7","8","1") = "9"
    & skf18("6","5","9","10","7","9","1") = "9"
    & skf18("6","5","9","10","7","10","1") = "9"
    & skf18("6","5","9","10","8","1","1") = "9"
    & skf18("6","5","9","10","8","2","1") = "9"
    & skf18("6","5","9","10","8","3","1") = "9"
    & skf18("6","5","9","10","8","4","1") = "9"
    & skf18("6","5","9","10","8","5","1") = "9"
    & skf18("6","5","9","10","8","6","1") = "9"
    & skf18("6","5","9","10","8","7","1") = "9"
    & skf18("6","5","9","10","8","8","1") = "9"
    & skf18("6","5","9","10","8","9","1") = "9"
    & skf18("6","5","9","10","8","10","1") = "9"
    & skf18("6","5","9","10","9","1","1") = "9"
    & skf18("6","5","9","10","9","2","1") = "9"
    & skf18("6","5","9","10","9","3","1") = "9"
    & skf18("6","5","9","10","9","4","1") = "9"
    & skf18("6","5","9","10","9","5","1") = "9"
    & skf18("6","5","9","10","9","6","1") = "9"
    & skf18("6","5","9","10","9","7","1") = "9"
    & skf18("6","5","9","10","9","8","1") = "9"
    & skf18("6","5","9","10","9","9","1") = "9"
    & skf18("6","5","9","10","9","10","1") = "9"
    & skf18("6","5","9","10","10","1","1") = "9"
    & skf18("6","5","9","10","10","2","1") = "9"
    & skf18("6","5","9","10","10","3","1") = "9"
    & skf18("6","5","9","10","10","4","1") = "9"
    & skf18("6","5","9","10","10","5","1") = "9"
    & skf18("6","5","9","10","10","6","1") = "9"
    & skf18("6","5","9","10","10","7","1") = "9"
    & skf18("6","5","9","10","10","8","1") = "9"
    & skf18("6","5","9","10","10","9","1") = "9"
    & skf18("6","5","9","10","10","10","1") = "9"
    & skf18("6","5","10","1","1","1","1") = "9"
    & skf18("6","5","10","1","1","2","1") = "9"
    & skf18("6","5","10","1","1","3","1") = "9"
    & skf18("6","5","10","1","1","4","1") = "9"
    & skf18("6","5","10","1","1","5","1") = "9"
    & skf18("6","5","10","1","1","6","1") = "9"
    & skf18("6","5","10","1","1","7","1") = "9"
    & skf18("6","5","10","1","1","8","1") = "9"
    & skf18("6","5","10","1","1","9","1") = "9"
    & skf18("6","5","10","1","1","10","1") = "9"
    & skf18("6","5","10","1","2","1","1") = "9"
    & skf18("6","5","10","1","2","2","1") = "9"
    & skf18("6","5","10","1","2","3","1") = "9"
    & skf18("6","5","10","1","2","4","1") = "9"
    & skf18("6","5","10","1","2","5","1") = "9"
    & skf18("6","5","10","1","2","6","1") = "9"
    & skf18("6","5","10","1","2","7","1") = "9"
    & skf18("6","5","10","1","2","8","1") = "9"
    & skf18("6","5","10","1","2","9","1") = "9"
    & skf18("6","5","10","1","2","10","1") = "9"
    & skf18("6","5","10","1","3","1","1") = "9"
    & skf18("6","5","10","1","3","2","1") = "9"
    & skf18("6","5","10","1","3","3","1") = "9"
    & skf18("6","5","10","1","3","4","1") = "9"
    & skf18("6","5","10","1","3","5","1") = "9"
    & skf18("6","5","10","1","3","6","1") = "9"
    & skf18("6","5","10","1","3","7","1") = "9"
    & skf18("6","5","10","1","3","8","1") = "9"
    & skf18("6","5","10","1","3","9","1") = "9"
    & skf18("6","5","10","1","3","10","1") = "9"
    & skf18("6","5","10","1","4","1","1") = "9"
    & skf18("6","5","10","1","4","2","1") = "9"
    & skf18("6","5","10","1","4","3","1") = "9"
    & skf18("6","5","10","1","4","4","1") = "9"
    & skf18("6","5","10","1","4","5","1") = "9"
    & skf18("6","5","10","1","4","6","1") = "9"
    & skf18("6","5","10","1","4","7","1") = "9"
    & skf18("6","5","10","1","4","8","1") = "9"
    & skf18("6","5","10","1","4","9","1") = "9"
    & skf18("6","5","10","1","4","10","1") = "9"
    & skf18("6","5","10","1","5","1","1") = "9"
    & skf18("6","5","10","1","5","2","1") = "9"
    & skf18("6","5","10","1","5","3","1") = "9"
    & skf18("6","5","10","1","5","4","1") = "9"
    & skf18("6","5","10","1","5","5","1") = "9"
    & skf18("6","5","10","1","5","6","1") = "9"
    & skf18("6","5","10","1","5","7","1") = "9"
    & skf18("6","5","10","1","5","8","1") = "9"
    & skf18("6","5","10","1","5","9","1") = "9"
    & skf18("6","5","10","1","5","10","1") = "9"
    & skf18("6","5","10","1","6","1","1") = "9"
    & skf18("6","5","10","1","6","2","1") = "9"
    & skf18("6","5","10","1","6","3","1") = "9"
    & skf18("6","5","10","1","6","4","1") = "9"
    & skf18("6","5","10","1","6","5","1") = "9"
    & skf18("6","5","10","1","6","6","1") = "9"
    & skf18("6","5","10","1","6","7","1") = "9"
    & skf18("6","5","10","1","6","8","1") = "9"
    & skf18("6","5","10","1","6","9","1") = "9"
    & skf18("6","5","10","1","6","10","1") = "9"
    & skf18("6","5","10","1","7","1","1") = "9"
    & skf18("6","5","10","1","7","2","1") = "9"
    & skf18("6","5","10","1","7","3","1") = "9"
    & skf18("6","5","10","1","7","4","1") = "9"
    & skf18("6","5","10","1","7","5","1") = "9"
    & skf18("6","5","10","1","7","6","1") = "9"
    & skf18("6","5","10","1","7","7","1") = "9"
    & skf18("6","5","10","1","7","8","1") = "9"
    & skf18("6","5","10","1","7","9","1") = "9"
    & skf18("6","5","10","1","7","10","1") = "9"
    & skf18("6","5","10","1","8","1","1") = "9"
    & skf18("6","5","10","1","8","2","1") = "9"
    & skf18("6","5","10","1","8","3","1") = "9"
    & skf18("6","5","10","1","8","4","1") = "9"
    & skf18("6","5","10","1","8","5","1") = "9"
    & skf18("6","5","10","1","8","6","1") = "9"
    & skf18("6","5","10","1","8","7","1") = "9"
    & skf18("6","5","10","1","8","8","1") = "9"
    & skf18("6","5","10","1","8","9","1") = "9"
    & skf18("6","5","10","1","8","10","1") = "9"
    & skf18("6","5","10","1","9","1","1") = "9"
    & skf18("6","5","10","1","9","2","1") = "9"
    & skf18("6","5","10","1","9","3","1") = "9"
    & skf18("6","5","10","1","9","4","1") = "9"
    & skf18("6","5","10","1","9","5","1") = "9"
    & skf18("6","5","10","1","9","6","1") = "9"
    & skf18("6","5","10","1","9","7","1") = "9"
    & skf18("6","5","10","1","9","8","1") = "9"
    & skf18("6","5","10","1","9","9","1") = "9"
    & skf18("6","5","10","1","9","10","1") = "9"
    & skf18("6","5","10","1","10","1","1") = "9"
    & skf18("6","5","10","1","10","2","1") = "9"
    & skf18("6","5","10","1","10","3","1") = "9"
    & skf18("6","5","10","1","10","4","1") = "9"
    & skf18("6","5","10","1","10","5","1") = "9"
    & skf18("6","5","10","1","10","6","1") = "9"
    & skf18("6","5","10","1","10","7","1") = "9"
    & skf18("6","5","10","1","10","8","1") = "9"
    & skf18("6","5","10","1","10","9","1") = "9"
    & skf18("6","5","10","1","10","10","1") = "9"
    & skf18("6","5","10","2","1","1","1") = "9"
    & skf18("6","5","10","2","1","2","1") = "9"
    & skf18("6","5","10","2","1","3","1") = "9"
    & skf18("6","5","10","2","1","4","1") = "9"
    & skf18("6","5","10","2","1","5","1") = "9"
    & skf18("6","5","10","2","1","6","1") = "9"
    & skf18("6","5","10","2","1","7","1") = "9"
    & skf18("6","5","10","2","1","8","1") = "9"
    & skf18("6","5","10","2","1","9","1") = "9"
    & skf18("6","5","10","2","1","10","1") = "9"
    & skf18("6","5","10","2","2","1","1") = "9"
    & skf18("6","5","10","2","2","2","1") = "9"
    & skf18("6","5","10","2","2","3","1") = "9"
    & skf18("6","5","10","2","2","4","1") = "9"
    & skf18("6","5","10","2","2","5","1") = "9"
    & skf18("6","5","10","2","2","6","1") = "9"
    & skf18("6","5","10","2","2","7","1") = "9"
    & skf18("6","5","10","2","2","8","1") = "9"
    & skf18("6","5","10","2","2","9","1") = "9"
    & skf18("6","5","10","2","2","10","1") = "9"
    & skf18("6","5","10","2","3","1","1") = "9"
    & skf18("6","5","10","2","3","2","1") = "9"
    & skf18("6","5","10","2","3","3","1") = "9"
    & skf18("6","5","10","2","3","4","1") = "9"
    & skf18("6","5","10","2","3","5","1") = "9"
    & skf18("6","5","10","2","3","6","1") = "9"
    & skf18("6","5","10","2","3","7","1") = "9"
    & skf18("6","5","10","2","3","8","1") = "9"
    & skf18("6","5","10","2","3","9","1") = "9"
    & skf18("6","5","10","2","3","10","1") = "9"
    & skf18("6","5","10","2","4","1","1") = "9"
    & skf18("6","5","10","2","4","2","1") = "9"
    & skf18("6","5","10","2","4","3","1") = "9"
    & skf18("6","5","10","2","4","4","1") = "9"
    & skf18("6","5","10","2","4","5","1") = "9"
    & skf18("6","5","10","2","4","6","1") = "9"
    & skf18("6","5","10","2","4","7","1") = "9"
    & skf18("6","5","10","2","4","8","1") = "9"
    & skf18("6","5","10","2","4","9","1") = "9"
    & skf18("6","5","10","2","4","10","1") = "9"
    & skf18("6","5","10","2","5","1","1") = "9"
    & skf18("6","5","10","2","5","2","1") = "9"
    & skf18("6","5","10","2","5","3","1") = "9"
    & skf18("6","5","10","2","5","4","1") = "9"
    & skf18("6","5","10","2","5","5","1") = "9"
    & skf18("6","5","10","2","5","6","1") = "9"
    & skf18("6","5","10","2","5","7","1") = "9"
    & skf18("6","5","10","2","5","8","1") = "9"
    & skf18("6","5","10","2","5","9","1") = "9"
    & skf18("6","5","10","2","5","10","1") = "9"
    & skf18("6","5","10","2","6","1","1") = "9"
    & skf18("6","5","10","2","6","2","1") = "9"
    & skf18("6","5","10","2","6","3","1") = "9"
    & skf18("6","5","10","2","6","4","1") = "9"
    & skf18("6","5","10","2","6","5","1") = "9"
    & skf18("6","5","10","2","6","6","1") = "9"
    & skf18("6","5","10","2","6","7","1") = "9"
    & skf18("6","5","10","2","6","8","1") = "9"
    & skf18("6","5","10","2","6","9","1") = "9"
    & skf18("6","5","10","2","6","10","1") = "9"
    & skf18("6","5","10","2","7","1","1") = "9"
    & skf18("6","5","10","2","7","2","1") = "9"
    & skf18("6","5","10","2","7","3","1") = "9"
    & skf18("6","5","10","2","7","4","1") = "9"
    & skf18("6","5","10","2","7","5","1") = "9"
    & skf18("6","5","10","2","7","6","1") = "9"
    & skf18("6","5","10","2","7","7","1") = "9"
    & skf18("6","5","10","2","7","8","1") = "9"
    & skf18("6","5","10","2","7","9","1") = "9"
    & skf18("6","5","10","2","7","10","1") = "9"
    & skf18("6","5","10","2","8","1","1") = "9"
    & skf18("6","5","10","2","8","2","1") = "9"
    & skf18("6","5","10","2","8","3","1") = "9"
    & skf18("6","5","10","2","8","4","1") = "9"
    & skf18("6","5","10","2","8","5","1") = "9"
    & skf18("6","5","10","2","8","6","1") = "9"
    & skf18("6","5","10","2","8","7","1") = "9"
    & skf18("6","5","10","2","8","8","1") = "9"
    & skf18("6","5","10","2","8","9","1") = "9"
    & skf18("6","5","10","2","8","10","1") = "9"
    & skf18("6","5","10","2","9","1","1") = "9"
    & skf18("6","5","10","2","9","2","1") = "9"
    & skf18("6","5","10","2","9","3","1") = "9"
    & skf18("6","5","10","2","9","4","1") = "9"
    & skf18("6","5","10","2","9","5","1") = "9"
    & skf18("6","5","10","2","9","6","1") = "9"
    & skf18("6","5","10","2","9","7","1") = "9"
    & skf18("6","5","10","2","9","8","1") = "9"
    & skf18("6","5","10","2","9","9","1") = "9"
    & skf18("6","5","10","2","9","10","1") = "9"
    & skf18("6","5","10","2","10","1","1") = "9"
    & skf18("6","5","10","2","10","2","1") = "9"
    & skf18("6","5","10","2","10","3","1") = "9"
    & skf18("6","5","10","2","10","4","1") = "9"
    & skf18("6","5","10","2","10","5","1") = "9"
    & skf18("6","5","10","2","10","6","1") = "9"
    & skf18("6","5","10","2","10","7","1") = "9"
    & skf18("6","5","10","2","10","8","1") = "9"
    & skf18("6","5","10","2","10","9","1") = "9"
    & skf18("6","5","10","2","10","10","1") = "9"
    & skf18("6","5","10","3","1","1","1") = "9"
    & skf18("6","5","10","3","1","2","1") = "9"
    & skf18("6","5","10","3","1","3","1") = "9"
    & skf18("6","5","10","3","1","4","1") = "9"
    & skf18("6","5","10","3","1","5","1") = "9"
    & skf18("6","5","10","3","1","6","1") = "9"
    & skf18("6","5","10","3","1","7","1") = "9"
    & skf18("6","5","10","3","1","8","1") = "9"
    & skf18("6","5","10","3","1","9","1") = "9"
    & skf18("6","5","10","3","1","10","1") = "9"
    & skf18("6","5","10","3","2","1","1") = "9"
    & skf18("6","5","10","3","2","2","1") = "9"
    & skf18("6","5","10","3","2","3","1") = "9"
    & skf18("6","5","10","3","2","4","1") = "9"
    & skf18("6","5","10","3","2","5","1") = "9"
    & skf18("6","5","10","3","2","6","1") = "9"
    & skf18("6","5","10","3","2","7","1") = "9"
    & skf18("6","5","10","3","2","8","1") = "9"
    & skf18("6","5","10","3","2","9","1") = "9"
    & skf18("6","5","10","3","2","10","1") = "9"
    & skf18("6","5","10","3","3","1","1") = "9"
    & skf18("6","5","10","3","3","2","1") = "9"
    & skf18("6","5","10","3","3","3","1") = "9"
    & skf18("6","5","10","3","3","4","1") = "9"
    & skf18("6","5","10","3","3","5","1") = "9"
    & skf18("6","5","10","3","3","6","1") = "9"
    & skf18("6","5","10","3","3","7","1") = "9"
    & skf18("6","5","10","3","3","8","1") = "9"
    & skf18("6","5","10","3","3","9","1") = "9"
    & skf18("6","5","10","3","3","10","1") = "9"
    & skf18("6","5","10","3","4","1","1") = "9"
    & skf18("6","5","10","3","4","2","1") = "9"
    & skf18("6","5","10","3","4","3","1") = "9"
    & skf18("6","5","10","3","4","4","1") = "9"
    & skf18("6","5","10","3","4","5","1") = "9"
    & skf18("6","5","10","3","4","6","1") = "9"
    & skf18("6","5","10","3","4","7","1") = "9"
    & skf18("6","5","10","3","4","8","1") = "9"
    & skf18("6","5","10","3","4","9","1") = "9"
    & skf18("6","5","10","3","4","10","1") = "9"
    & skf18("6","5","10","3","5","1","1") = "9"
    & skf18("6","5","10","3","5","2","1") = "9"
    & skf18("6","5","10","3","5","3","1") = "9"
    & skf18("6","5","10","3","5","4","1") = "9"
    & skf18("6","5","10","3","5","5","1") = "9"
    & skf18("6","5","10","3","5","6","1") = "9"
    & skf18("6","5","10","3","5","7","1") = "9"
    & skf18("6","5","10","3","5","8","1") = "9"
    & skf18("6","5","10","3","5","9","1") = "9"
    & skf18("6","5","10","3","5","10","1") = "9"
    & skf18("6","5","10","3","6","1","1") = "9"
    & skf18("6","5","10","3","6","2","1") = "9"
    & skf18("6","5","10","3","6","3","1") = "9"
    & skf18("6","5","10","3","6","4","1") = "9"
    & skf18("6","5","10","3","6","5","1") = "9"
    & skf18("6","5","10","3","6","6","1") = "9"
    & skf18("6","5","10","3","6","7","1") = "9"
    & skf18("6","5","10","3","6","8","1") = "9"
    & skf18("6","5","10","3","6","9","1") = "9"
    & skf18("6","5","10","3","6","10","1") = "9"
    & skf18("6","5","10","3","7","1","1") = "9"
    & skf18("6","5","10","3","7","2","1") = "9"
    & skf18("6","5","10","3","7","3","1") = "9"
    & skf18("6","5","10","3","7","4","1") = "9"
    & skf18("6","5","10","3","7","5","1") = "9"
    & skf18("6","5","10","3","7","6","1") = "9"
    & skf18("6","5","10","3","7","7","1") = "9"
    & skf18("6","5","10","3","7","8","1") = "9"
    & skf18("6","5","10","3","7","9","1") = "9"
    & skf18("6","5","10","3","7","10","1") = "9"
    & skf18("6","5","10","3","8","1","1") = "9"
    & skf18("6","5","10","3","8","2","1") = "9"
    & skf18("6","5","10","3","8","3","1") = "9"
    & skf18("6","5","10","3","8","4","1") = "9"
    & skf18("6","5","10","3","8","5","1") = "9"
    & skf18("6","5","10","3","8","6","1") = "9"
    & skf18("6","5","10","3","8","7","1") = "9"
    & skf18("6","5","10","3","8","8","1") = "9"
    & skf18("6","5","10","3","8","9","1") = "9"
    & skf18("6","5","10","3","8","10","1") = "9"
    & skf18("6","5","10","3","9","1","1") = "9"
    & skf18("6","5","10","3","9","2","1") = "9"
    & skf18("6","5","10","3","9","3","1") = "9"
    & skf18("6","5","10","3","9","4","1") = "9"
    & skf18("6","5","10","3","9","5","1") = "9"
    & skf18("6","5","10","3","9","6","1") = "9"
    & skf18("6","5","10","3","9","7","1") = "9"
    & skf18("6","5","10","3","9","8","1") = "9"
    & skf18("6","5","10","3","9","9","1") = "9"
    & skf18("6","5","10","3","9","10","1") = "9"
    & skf18("6","5","10","3","10","1","1") = "9"
    & skf18("6","5","10","3","10","2","1") = "9"
    & skf18("6","5","10","3","10","3","1") = "9"
    & skf18("6","5","10","3","10","4","1") = "9"
    & skf18("6","5","10","3","10","5","1") = "9"
    & skf18("6","5","10","3","10","6","1") = "9"
    & skf18("6","5","10","3","10","7","1") = "9"
    & skf18("6","5","10","3","10","8","1") = "9"
    & skf18("6","5","10","3","10","9","1") = "9"
    & skf18("6","5","10","3","10","10","1") = "9"
    & skf18("6","5","10","4","1","1","1") = "9"
    & skf18("6","5","10","4","1","2","1") = "9"
    & skf18("6","5","10","4","1","3","1") = "9"
    & skf18("6","5","10","4","1","4","1") = "9"
    & skf18("6","5","10","4","1","5","1") = "9"
    & skf18("6","5","10","4","1","6","1") = "9"
    & skf18("6","5","10","4","1","7","1") = "9"
    & skf18("6","5","10","4","1","8","1") = "9"
    & skf18("6","5","10","4","1","9","1") = "9"
    & skf18("6","5","10","4","1","10","1") = "9"
    & skf18("6","5","10","4","2","1","1") = "9"
    & skf18("6","5","10","4","2","2","1") = "9"
    & skf18("6","5","10","4","2","3","1") = "9"
    & skf18("6","5","10","4","2","4","1") = "9"
    & skf18("6","5","10","4","2","5","1") = "9"
    & skf18("6","5","10","4","2","6","1") = "9"
    & skf18("6","5","10","4","2","7","1") = "9"
    & skf18("6","5","10","4","2","8","1") = "9"
    & skf18("6","5","10","4","2","9","1") = "9"
    & skf18("6","5","10","4","2","10","1") = "9"
    & skf18("6","5","10","4","3","1","1") = "9"
    & skf18("6","5","10","4","3","2","1") = "9"
    & skf18("6","5","10","4","3","3","1") = "9"
    & skf18("6","5","10","4","3","4","1") = "9"
    & skf18("6","5","10","4","3","5","1") = "9"
    & skf18("6","5","10","4","3","6","1") = "9"
    & skf18("6","5","10","4","3","7","1") = "9"
    & skf18("6","5","10","4","3","8","1") = "9"
    & skf18("6","5","10","4","3","9","1") = "9"
    & skf18("6","5","10","4","3","10","1") = "9"
    & skf18("6","5","10","4","4","1","1") = "9"
    & skf18("6","5","10","4","4","2","1") = "9"
    & skf18("6","5","10","4","4","3","1") = "9"
    & skf18("6","5","10","4","4","4","1") = "9"
    & skf18("6","5","10","4","4","5","1") = "9"
    & skf18("6","5","10","4","4","6","1") = "9"
    & skf18("6","5","10","4","4","7","1") = "9"
    & skf18("6","5","10","4","4","8","1") = "9"
    & skf18("6","5","10","4","4","9","1") = "9"
    & skf18("6","5","10","4","4","10","1") = "9"
    & skf18("6","5","10","4","5","1","1") = "9"
    & skf18("6","5","10","4","5","2","1") = "9"
    & skf18("6","5","10","4","5","3","1") = "9"
    & skf18("6","5","10","4","5","4","1") = "9"
    & skf18("6","5","10","4","5","5","1") = "9"
    & skf18("6","5","10","4","5","6","1") = "9"
    & skf18("6","5","10","4","5","7","1") = "9"
    & skf18("6","5","10","4","5","8","1") = "9"
    & skf18("6","5","10","4","5","9","1") = "9"
    & skf18("6","5","10","4","5","10","1") = "9"
    & skf18("6","5","10","4","6","1","1") = "9"
    & skf18("6","5","10","4","6","2","1") = "9"
    & skf18("6","5","10","4","6","3","1") = "9"
    & skf18("6","5","10","4","6","4","1") = "9"
    & skf18("6","5","10","4","6","5","1") = "9"
    & skf18("6","5","10","4","6","6","1") = "9"
    & skf18("6","5","10","4","6","7","1") = "9"
    & skf18("6","5","10","4","6","8","1") = "9"
    & skf18("6","5","10","4","6","9","1") = "9"
    & skf18("6","5","10","4","6","10","1") = "9"
    & skf18("6","5","10","4","7","1","1") = "9"
    & skf18("6","5","10","4","7","2","1") = "9"
    & skf18("6","5","10","4","7","3","1") = "9"
    & skf18("6","5","10","4","7","4","1") = "9"
    & skf18("6","5","10","4","7","5","1") = "9"
    & skf18("6","5","10","4","7","6","1") = "9"
    & skf18("6","5","10","4","7","7","1") = "9"
    & skf18("6","5","10","4","7","8","1") = "9"
    & skf18("6","5","10","4","7","9","1") = "9"
    & skf18("6","5","10","4","7","10","1") = "9"
    & skf18("6","5","10","4","8","1","1") = "9"
    & skf18("6","5","10","4","8","2","1") = "9"
    & skf18("6","5","10","4","8","3","1") = "9"
    & skf18("6","5","10","4","8","4","1") = "9"
    & skf18("6","5","10","4","8","5","1") = "9"
    & skf18("6","5","10","4","8","6","1") = "9"
    & skf18("6","5","10","4","8","7","1") = "9"
    & skf18("6","5","10","4","8","8","1") = "9"
    & skf18("6","5","10","4","8","9","1") = "9"
    & skf18("6","5","10","4","8","10","1") = "9"
    & skf18("6","5","10","4","9","1","1") = "9"
    & skf18("6","5","10","4","9","2","1") = "9"
    & skf18("6","5","10","4","9","3","1") = "9"
    & skf18("6","5","10","4","9","4","1") = "9"
    & skf18("6","5","10","4","9","5","1") = "9"
    & skf18("6","5","10","4","9","6","1") = "9"
    & skf18("6","5","10","4","9","7","1") = "9"
    & skf18("6","5","10","4","9","8","1") = "9"
    & skf18("6","5","10","4","9","9","1") = "9"
    & skf18("6","5","10","4","9","10","1") = "9"
    & skf18("6","5","10","4","10","1","1") = "9"
    & skf18("6","5","10","4","10","2","1") = "9"
    & skf18("6","5","10","4","10","3","1") = "9"
    & skf18("6","5","10","4","10","4","1") = "9"
    & skf18("6","5","10","4","10","5","1") = "9"
    & skf18("6","5","10","4","10","6","1") = "9"
    & skf18("6","5","10","4","10","7","1") = "9"
    & skf18("6","5","10","4","10","8","1") = "9"
    & skf18("6","5","10","4","10","9","1") = "9"
    & skf18("6","5","10","4","10","10","1") = "9"
    & skf18("6","5","10","5","1","1","1") = "9"
    & skf18("6","5","10","5","1","2","1") = "9"
    & skf18("6","5","10","5","1","3","1") = "9"
    & skf18("6","5","10","5","1","4","1") = "9"
    & skf18("6","5","10","5","1","5","1") = "9"
    & skf18("6","5","10","5","1","6","1") = "9"
    & skf18("6","5","10","5","1","7","1") = "9"
    & skf18("6","5","10","5","1","8","1") = "9"
    & skf18("6","5","10","5","1","9","1") = "9"
    & skf18("6","5","10","5","1","10","1") = "9"
    & skf18("6","5","10","5","2","1","1") = "9"
    & skf18("6","5","10","5","2","2","1") = "9"
    & skf18("6","5","10","5","2","3","1") = "9"
    & skf18("6","5","10","5","2","4","1") = "9"
    & skf18("6","5","10","5","2","5","1") = "9"
    & skf18("6","5","10","5","2","6","1") = "9"
    & skf18("6","5","10","5","2","7","1") = "9"
    & skf18("6","5","10","5","2","8","1") = "9"
    & skf18("6","5","10","5","2","9","1") = "9"
    & skf18("6","5","10","5","2","10","1") = "9"
    & skf18("6","5","10","5","3","1","1") = "9"
    & skf18("6","5","10","5","3","2","1") = "9"
    & skf18("6","5","10","5","3","3","1") = "9"
    & skf18("6","5","10","5","3","4","1") = "9"
    & skf18("6","5","10","5","3","5","1") = "9"
    & skf18("6","5","10","5","3","6","1") = "9"
    & skf18("6","5","10","5","3","7","1") = "9"
    & skf18("6","5","10","5","3","8","1") = "9"
    & skf18("6","5","10","5","3","9","1") = "9"
    & skf18("6","5","10","5","3","10","1") = "9"
    & skf18("6","5","10","5","4","1","1") = "9"
    & skf18("6","5","10","5","4","2","1") = "9"
    & skf18("6","5","10","5","4","3","1") = "9"
    & skf18("6","5","10","5","4","4","1") = "9"
    & skf18("6","5","10","5","4","5","1") = "9"
    & skf18("6","5","10","5","4","6","1") = "9"
    & skf18("6","5","10","5","4","7","1") = "9"
    & skf18("6","5","10","5","4","8","1") = "9"
    & skf18("6","5","10","5","4","9","1") = "9"
    & skf18("6","5","10","5","4","10","1") = "9"
    & skf18("6","5","10","5","5","1","1") = "9"
    & skf18("6","5","10","5","5","2","1") = "9"
    & skf18("6","5","10","5","5","3","1") = "9"
    & skf18("6","5","10","5","5","4","1") = "9"
    & skf18("6","5","10","5","5","5","1") = "9"
    & skf18("6","5","10","5","5","6","1") = "9"
    & skf18("6","5","10","5","5","7","1") = "9"
    & skf18("6","5","10","5","5","8","1") = "9"
    & skf18("6","5","10","5","5","9","1") = "9"
    & skf18("6","5","10","5","5","10","1") = "9"
    & skf18("6","5","10","5","6","1","1") = "9"
    & skf18("6","5","10","5","6","2","1") = "9"
    & skf18("6","5","10","5","6","3","1") = "9"
    & skf18("6","5","10","5","6","4","1") = "9"
    & skf18("6","5","10","5","6","5","1") = "9"
    & skf18("6","5","10","5","6","6","1") = "9"
    & skf18("6","5","10","5","6","7","1") = "9"
    & skf18("6","5","10","5","6","8","1") = "9"
    & skf18("6","5","10","5","6","9","1") = "9"
    & skf18("6","5","10","5","6","10","1") = "9"
    & skf18("6","5","10","5","7","1","1") = "9"
    & skf18("6","5","10","5","7","2","1") = "9"
    & skf18("6","5","10","5","7","3","1") = "9"
    & skf18("6","5","10","5","7","4","1") = "9"
    & skf18("6","5","10","5","7","5","1") = "9"
    & skf18("6","5","10","5","7","6","1") = "9"
    & skf18("6","5","10","5","7","7","1") = "9"
    & skf18("6","5","10","5","7","8","1") = "9"
    & skf18("6","5","10","5","7","9","1") = "9"
    & skf18("6","5","10","5","7","10","1") = "9"
    & skf18("6","5","10","5","8","1","1") = "9"
    & skf18("6","5","10","5","8","2","1") = "9"
    & skf18("6","5","10","5","8","3","1") = "9"
    & skf18("6","5","10","5","8","4","1") = "9"
    & skf18("6","5","10","5","8","5","1") = "9"
    & skf18("6","5","10","5","8","6","1") = "9"
    & skf18("6","5","10","5","8","7","1") = "9"
    & skf18("6","5","10","5","8","8","1") = "9"
    & skf18("6","5","10","5","8","9","1") = "9"
    & skf18("6","5","10","5","8","10","1") = "9"
    & skf18("6","5","10","5","9","1","1") = "9"
    & skf18("6","5","10","5","9","2","1") = "9"
    & skf18("6","5","10","5","9","3","1") = "9"
    & skf18("6","5","10","5","9","4","1") = "9"
    & skf18("6","5","10","5","9","5","1") = "9"
    & skf18("6","5","10","5","9","6","1") = "9"
    & skf18("6","5","10","5","9","7","1") = "9"
    & skf18("6","5","10","5","9","8","1") = "9"
    & skf18("6","5","10","5","9","9","1") = "9"
    & skf18("6","5","10","5","9","10","1") = "9"
    & skf18("6","5","10","5","10","1","1") = "9"
    & skf18("6","5","10","5","10","2","1") = "9"
    & skf18("6","5","10","5","10","3","1") = "9"
    & skf18("6","5","10","5","10","4","1") = "9"
    & skf18("6","5","10","5","10","5","1") = "9"
    & skf18("6","5","10","5","10","6","1") = "9"
    & skf18("6","5","10","5","10","7","1") = "9"
    & skf18("6","5","10","5","10","8","1") = "9"
    & skf18("6","5","10","5","10","9","1") = "9"
    & skf18("6","5","10","5","10","10","1") = "9"
    & skf18("6","5","10","6","1","1","1") = "9"
    & skf18("6","5","10","6","1","2","1") = "9"
    & skf18("6","5","10","6","1","3","1") = "9"
    & skf18("6","5","10","6","1","4","1") = "9"
    & skf18("6","5","10","6","1","5","1") = "9"
    & skf18("6","5","10","6","1","6","1") = "9"
    & skf18("6","5","10","6","1","7","1") = "9"
    & skf18("6","5","10","6","1","8","1") = "9"
    & skf18("6","5","10","6","1","9","1") = "9"
    & skf18("6","5","10","6","1","10","1") = "9"
    & skf18("6","5","10","6","2","1","1") = "9"
    & skf18("6","5","10","6","2","2","1") = "9"
    & skf18("6","5","10","6","2","3","1") = "9"
    & skf18("6","5","10","6","2","4","1") = "9"
    & skf18("6","5","10","6","2","5","1") = "9"
    & skf18("6","5","10","6","2","6","1") = "9"
    & skf18("6","5","10","6","2","7","1") = "9"
    & skf18("6","5","10","6","2","8","1") = "9"
    & skf18("6","5","10","6","2","9","1") = "9"
    & skf18("6","5","10","6","2","10","1") = "9"
    & skf18("6","5","10","6","3","1","1") = "9"
    & skf18("6","5","10","6","3","2","1") = "9"
    & skf18("6","5","10","6","3","3","1") = "9"
    & skf18("6","5","10","6","3","4","1") = "9"
    & skf18("6","5","10","6","3","5","1") = "9"
    & skf18("6","5","10","6","3","6","1") = "9"
    & skf18("6","5","10","6","3","7","1") = "9"
    & skf18("6","5","10","6","3","8","1") = "9"
    & skf18("6","5","10","6","3","9","1") = "9"
    & skf18("6","5","10","6","3","10","1") = "9"
    & skf18("6","5","10","6","4","1","1") = "9"
    & skf18("6","5","10","6","4","2","1") = "9"
    & skf18("6","5","10","6","4","3","1") = "9"
    & skf18("6","5","10","6","4","4","1") = "9"
    & skf18("6","5","10","6","4","5","1") = "9"
    & skf18("6","5","10","6","4","6","1") = "9"
    & skf18("6","5","10","6","4","7","1") = "9"
    & skf18("6","5","10","6","4","8","1") = "9"
    & skf18("6","5","10","6","4","9","1") = "9"
    & skf18("6","5","10","6","4","10","1") = "9"
    & skf18("6","5","10","6","5","1","1") = "9"
    & skf18("6","5","10","6","5","2","1") = "9"
    & skf18("6","5","10","6","5","3","1") = "9"
    & skf18("6","5","10","6","5","4","1") = "9"
    & skf18("6","5","10","6","5","5","1") = "9"
    & skf18("6","5","10","6","5","6","1") = "9"
    & skf18("6","5","10","6","5","7","1") = "9"
    & skf18("6","5","10","6","5","8","1") = "9"
    & skf18("6","5","10","6","5","9","1") = "9"
    & skf18("6","5","10","6","5","10","1") = "9"
    & skf18("6","5","10","6","6","1","1") = "9"
    & skf18("6","5","10","6","6","2","1") = "9"
    & skf18("6","5","10","6","6","3","1") = "9"
    & skf18("6","5","10","6","6","4","1") = "9"
    & skf18("6","5","10","6","6","5","1") = "9"
    & skf18("6","5","10","6","6","6","1") = "9"
    & skf18("6","5","10","6","6","7","1") = "9"
    & skf18("6","5","10","6","6","8","1") = "9"
    & skf18("6","5","10","6","6","9","1") = "9"
    & skf18("6","5","10","6","6","10","1") = "9"
    & skf18("6","5","10","6","7","1","1") = "9"
    & skf18("6","5","10","6","7","2","1") = "9"
    & skf18("6","5","10","6","7","3","1") = "9"
    & skf18("6","5","10","6","7","4","1") = "9"
    & skf18("6","5","10","6","7","5","1") = "9"
    & skf18("6","5","10","6","7","6","1") = "9"
    & skf18("6","5","10","6","7","7","1") = "9"
    & skf18("6","5","10","6","7","8","1") = "9"
    & skf18("6","5","10","6","7","9","1") = "9"
    & skf18("6","5","10","6","7","10","1") = "9"
    & skf18("6","5","10","6","8","1","1") = "9"
    & skf18("6","5","10","6","8","2","1") = "9"
    & skf18("6","5","10","6","8","3","1") = "9"
    & skf18("6","5","10","6","8","4","1") = "9"
    & skf18("6","5","10","6","8","5","1") = "9"
    & skf18("6","5","10","6","8","6","1") = "9"
    & skf18("6","5","10","6","8","7","1") = "9"
    & skf18("6","5","10","6","8","8","1") = "9"
    & skf18("6","5","10","6","8","9","1") = "9"
    & skf18("6","5","10","6","8","10","1") = "9"
    & skf18("6","5","10","6","9","1","1") = "9"
    & skf18("6","5","10","6","9","2","1") = "9"
    & skf18("6","5","10","6","9","3","1") = "9"
    & skf18("6","5","10","6","9","4","1") = "9"
    & skf18("6","5","10","6","9","5","1") = "9"
    & skf18("6","5","10","6","9","6","1") = "9"
    & skf18("6","5","10","6","9","7","1") = "9"
    & skf18("6","5","10","6","9","8","1") = "9"
    & skf18("6","5","10","6","9","9","1") = "9"
    & skf18("6","5","10","6","9","10","1") = "9"
    & skf18("6","5","10","6","10","1","1") = "9"
    & skf18("6","5","10","6","10","2","1") = "9"
    & skf18("6","5","10","6","10","3","1") = "9"
    & skf18("6","5","10","6","10","4","1") = "9"
    & skf18("6","5","10","6","10","5","1") = "9"
    & skf18("6","5","10","6","10","6","1") = "9"
    & skf18("6","5","10","6","10","7","1") = "9"
    & skf18("6","5","10","6","10","8","1") = "9"
    & skf18("6","5","10","6","10","9","1") = "9"
    & skf18("6","5","10","6","10","10","1") = "9"
    & skf18("6","5","10","7","1","1","1") = "9"
    & skf18("6","5","10","7","1","2","1") = "9"
    & skf18("6","5","10","7","1","3","1") = "9"
    & skf18("6","5","10","7","1","4","1") = "9"
    & skf18("6","5","10","7","1","5","1") = "9"
    & skf18("6","5","10","7","1","6","1") = "9"
    & skf18("6","5","10","7","1","7","1") = "9"
    & skf18("6","5","10","7","1","8","1") = "9"
    & skf18("6","5","10","7","1","9","1") = "9"
    & skf18("6","5","10","7","1","10","1") = "9"
    & skf18("6","5","10","7","2","1","1") = "9"
    & skf18("6","5","10","7","2","2","1") = "9"
    & skf18("6","5","10","7","2","3","1") = "9"
    & skf18("6","5","10","7","2","4","1") = "9"
    & skf18("6","5","10","7","2","5","1") = "9"
    & skf18("6","5","10","7","2","6","1") = "9"
    & skf18("6","5","10","7","2","7","1") = "9"
    & skf18("6","5","10","7","2","8","1") = "9"
    & skf18("6","5","10","7","2","9","1") = "9"
    & skf18("6","5","10","7","2","10","1") = "9"
    & skf18("6","5","10","7","3","1","1") = "9"
    & skf18("6","5","10","7","3","2","1") = "9"
    & skf18("6","5","10","7","3","3","1") = "9"
    & skf18("6","5","10","7","3","4","1") = "9"
    & skf18("6","5","10","7","3","5","1") = "9"
    & skf18("6","5","10","7","3","6","1") = "9"
    & skf18("6","5","10","7","3","7","1") = "9"
    & skf18("6","5","10","7","3","8","1") = "9"
    & skf18("6","5","10","7","3","9","1") = "9"
    & skf18("6","5","10","7","3","10","1") = "9"
    & skf18("6","5","10","7","4","1","1") = "9"
    & skf18("6","5","10","7","4","2","1") = "9"
    & skf18("6","5","10","7","4","3","1") = "9"
    & skf18("6","5","10","7","4","4","1") = "9"
    & skf18("6","5","10","7","4","5","1") = "9"
    & skf18("6","5","10","7","4","6","1") = "9"
    & skf18("6","5","10","7","4","7","1") = "9"
    & skf18("6","5","10","7","4","8","1") = "9"
    & skf18("6","5","10","7","4","9","1") = "9"
    & skf18("6","5","10","7","4","10","1") = "9"
    & skf18("6","5","10","7","5","1","1") = "9"
    & skf18("6","5","10","7","5","2","1") = "9"
    & skf18("6","5","10","7","5","3","1") = "9"
    & skf18("6","5","10","7","5","4","1") = "9"
    & skf18("6","5","10","7","5","5","1") = "9"
    & skf18("6","5","10","7","5","6","1") = "9"
    & skf18("6","5","10","7","5","7","1") = "9"
    & skf18("6","5","10","7","5","8","1") = "9"
    & skf18("6","5","10","7","5","9","1") = "9"
    & skf18("6","5","10","7","5","10","1") = "9"
    & skf18("6","5","10","7","6","1","1") = "9"
    & skf18("6","5","10","7","6","2","1") = "9"
    & skf18("6","5","10","7","6","3","1") = "9"
    & skf18("6","5","10","7","6","4","1") = "9"
    & skf18("6","5","10","7","6","5","1") = "9"
    & skf18("6","5","10","7","6","6","1") = "9"
    & skf18("6","5","10","7","6","7","1") = "9"
    & skf18("6","5","10","7","6","8","1") = "9"
    & skf18("6","5","10","7","6","9","1") = "9"
    & skf18("6","5","10","7","6","10","1") = "9"
    & skf18("6","5","10","7","7","1","1") = "9"
    & skf18("6","5","10","7","7","2","1") = "9"
    & skf18("6","5","10","7","7","3","1") = "9"
    & skf18("6","5","10","7","7","4","1") = "9"
    & skf18("6","5","10","7","7","5","1") = "9"
    & skf18("6","5","10","7","7","6","1") = "9"
    & skf18("6","5","10","7","7","7","1") = "9"
    & skf18("6","5","10","7","7","8","1") = "9"
    & skf18("6","5","10","7","7","9","1") = "9"
    & skf18("6","5","10","7","7","10","1") = "9"
    & skf18("6","5","10","7","8","1","1") = "9"
    & skf18("6","5","10","7","8","2","1") = "9"
    & skf18("6","5","10","7","8","3","1") = "9"
    & skf18("6","5","10","7","8","4","1") = "9"
    & skf18("6","5","10","7","8","5","1") = "9"
    & skf18("6","5","10","7","8","6","1") = "9"
    & skf18("6","5","10","7","8","7","1") = "9"
    & skf18("6","5","10","7","8","8","1") = "9"
    & skf18("6","5","10","7","8","9","1") = "9"
    & skf18("6","5","10","7","8","10","1") = "9"
    & skf18("6","5","10","7","9","1","1") = "9"
    & skf18("6","5","10","7","9","2","1") = "9"
    & skf18("6","5","10","7","9","3","1") = "9"
    & skf18("6","5","10","7","9","4","1") = "9"
    & skf18("6","5","10","7","9","5","1") = "9"
    & skf18("6","5","10","7","9","6","1") = "9"
    & skf18("6","5","10","7","9","7","1") = "9"
    & skf18("6","5","10","7","9","8","1") = "9"
    & skf18("6","5","10","7","9","9","1") = "9"
    & skf18("6","5","10","7","9","10","1") = "9"
    & skf18("6","5","10","7","10","1","1") = "9"
    & skf18("6","5","10","7","10","2","1") = "9"
    & skf18("6","5","10","7","10","3","1") = "9"
    & skf18("6","5","10","7","10","4","1") = "9"
    & skf18("6","5","10","7","10","5","1") = "9"
    & skf18("6","5","10","7","10","6","1") = "9"
    & skf18("6","5","10","7","10","7","1") = "9"
    & skf18("6","5","10","7","10","8","1") = "9"
    & skf18("6","5","10","7","10","9","1") = "9"
    & skf18("6","5","10","7","10","10","1") = "9"
    & skf18("6","5","10","8","1","1","1") = "9"
    & skf18("6","5","10","8","1","2","1") = "9"
    & skf18("6","5","10","8","1","3","1") = "9"
    & skf18("6","5","10","8","1","4","1") = "9"
    & skf18("6","5","10","8","1","5","1") = "9"
    & skf18("6","5","10","8","1","6","1") = "9"
    & skf18("6","5","10","8","1","7","1") = "9"
    & skf18("6","5","10","8","1","8","1") = "9"
    & skf18("6","5","10","8","1","9","1") = "9"
    & skf18("6","5","10","8","1","10","1") = "9"
    & skf18("6","5","10","8","2","1","1") = "9"
    & skf18("6","5","10","8","2","2","1") = "9"
    & skf18("6","5","10","8","2","3","1") = "9"
    & skf18("6","5","10","8","2","4","1") = "9"
    & skf18("6","5","10","8","2","5","1") = "9"
    & skf18("6","5","10","8","2","6","1") = "9"
    & skf18("6","5","10","8","2","7","1") = "9"
    & skf18("6","5","10","8","2","8","1") = "9"
    & skf18("6","5","10","8","2","9","1") = "9"
    & skf18("6","5","10","8","2","10","1") = "9"
    & skf18("6","5","10","8","3","1","1") = "9"
    & skf18("6","5","10","8","3","2","1") = "9"
    & skf18("6","5","10","8","3","3","1") = "9"
    & skf18("6","5","10","8","3","4","1") = "9"
    & skf18("6","5","10","8","3","5","1") = "9"
    & skf18("6","5","10","8","3","6","1") = "9"
    & skf18("6","5","10","8","3","7","1") = "9"
    & skf18("6","5","10","8","3","8","1") = "9"
    & skf18("6","5","10","8","3","9","1") = "9"
    & skf18("6","5","10","8","3","10","1") = "9"
    & skf18("6","5","10","8","4","1","1") = "9"
    & skf18("6","5","10","8","4","2","1") = "9"
    & skf18("6","5","10","8","4","3","1") = "9"
    & skf18("6","5","10","8","4","4","1") = "9"
    & skf18("6","5","10","8","4","5","1") = "9"
    & skf18("6","5","10","8","4","6","1") = "9"
    & skf18("6","5","10","8","4","7","1") = "9"
    & skf18("6","5","10","8","4","8","1") = "9"
    & skf18("6","5","10","8","4","9","1") = "9"
    & skf18("6","5","10","8","4","10","1") = "9"
    & skf18("6","5","10","8","5","1","1") = "9"
    & skf18("6","5","10","8","5","2","1") = "9"
    & skf18("6","5","10","8","5","3","1") = "9"
    & skf18("6","5","10","8","5","4","1") = "9"
    & skf18("6","5","10","8","5","5","1") = "9"
    & skf18("6","5","10","8","5","6","1") = "9"
    & skf18("6","5","10","8","5","7","1") = "9"
    & skf18("6","5","10","8","5","8","1") = "9"
    & skf18("6","5","10","8","5","9","1") = "9"
    & skf18("6","5","10","8","5","10","1") = "9"
    & skf18("6","5","10","8","6","1","1") = "9"
    & skf18("6","5","10","8","6","2","1") = "9"
    & skf18("6","5","10","8","6","3","1") = "9"
    & skf18("6","5","10","8","6","4","1") = "9"
    & skf18("6","5","10","8","6","5","1") = "9"
    & skf18("6","5","10","8","6","6","1") = "9"
    & skf18("6","5","10","8","6","7","1") = "9"
    & skf18("6","5","10","8","6","8","1") = "9"
    & skf18("6","5","10","8","6","9","1") = "9"
    & skf18("6","5","10","8","6","10","1") = "9"
    & skf18("6","5","10","8","7","1","1") = "9"
    & skf18("6","5","10","8","7","2","1") = "9"
    & skf18("6","5","10","8","7","3","1") = "9"
    & skf18("6","5","10","8","7","4","1") = "9"
    & skf18("6","5","10","8","7","5","1") = "9"
    & skf18("6","5","10","8","7","6","1") = "9"
    & skf18("6","5","10","8","7","7","1") = "9"
    & skf18("6","5","10","8","7","8","1") = "9"
    & skf18("6","5","10","8","7","9","1") = "9"
    & skf18("6","5","10","8","7","10","1") = "9"
    & skf18("6","5","10","8","8","1","1") = "9"
    & skf18("6","5","10","8","8","2","1") = "9"
    & skf18("6","5","10","8","8","3","1") = "9"
    & skf18("6","5","10","8","8","4","1") = "9"
    & skf18("6","5","10","8","8","5","1") = "9"
    & skf18("6","5","10","8","8","6","1") = "9"
    & skf18("6","5","10","8","8","7","1") = "9"
    & skf18("6","5","10","8","8","8","1") = "9"
    & skf18("6","5","10","8","8","9","1") = "9"
    & skf18("6","5","10","8","8","10","1") = "9"
    & skf18("6","5","10","8","9","1","1") = "9"
    & skf18("6","5","10","8","9","2","1") = "9"
    & skf18("6","5","10","8","9","3","1") = "9"
    & skf18("6","5","10","8","9","4","1") = "9"
    & skf18("6","5","10","8","9","5","1") = "9"
    & skf18("6","5","10","8","9","6","1") = "9"
    & skf18("6","5","10","8","9","7","1") = "9"
    & skf18("6","5","10","8","9","8","1") = "9"
    & skf18("6","5","10","8","9","9","1") = "9"
    & skf18("6","5","10","8","9","10","1") = "9"
    & skf18("6","5","10","8","10","1","1") = "9"
    & skf18("6","5","10","8","10","2","1") = "9"
    & skf18("6","5","10","8","10","3","1") = "9"
    & skf18("6","5","10","8","10","4","1") = "9"
    & skf18("6","5","10","8","10","5","1") = "9"
    & skf18("6","5","10","8","10","6","1") = "9"
    & skf18("6","5","10","8","10","7","1") = "9"
    & skf18("6","5","10","8","10","8","1") = "9"
    & skf18("6","5","10","8","10","9","1") = "9"
    & skf18("6","5","10","8","10","10","1") = "9"
    & skf18("6","5","10","9","1","1","1") = "9"
    & skf18("6","5","10","9","1","2","1") = "9"
    & skf18("6","5","10","9","1","3","1") = "9"
    & skf18("6","5","10","9","1","4","1") = "9"
    & skf18("6","5","10","9","1","5","1") = "9"
    & skf18("6","5","10","9","1","6","1") = "9"
    & skf18("6","5","10","9","1","7","1") = "9"
    & skf18("6","5","10","9","1","8","1") = "9"
    & skf18("6","5","10","9","1","9","1") = "9"
    & skf18("6","5","10","9","1","10","1") = "9"
    & skf18("6","5","10","9","2","1","1") = "9"
    & skf18("6","5","10","9","2","2","1") = "9"
    & skf18("6","5","10","9","2","3","1") = "9"
    & skf18("6","5","10","9","2","4","1") = "9"
    & skf18("6","5","10","9","2","5","1") = "9"
    & skf18("6","5","10","9","2","6","1") = "9"
    & skf18("6","5","10","9","2","7","1") = "9"
    & skf18("6","5","10","9","2","8","1") = "9"
    & skf18("6","5","10","9","2","9","1") = "9"
    & skf18("6","5","10","9","2","10","1") = "9"
    & skf18("6","5","10","9","3","1","1") = "9"
    & skf18("6","5","10","9","3","2","1") = "9"
    & skf18("6","5","10","9","3","3","1") = "9"
    & skf18("6","5","10","9","3","4","1") = "9"
    & skf18("6","5","10","9","3","5","1") = "9"
    & skf18("6","5","10","9","3","6","1") = "9"
    & skf18("6","5","10","9","3","7","1") = "9"
    & skf18("6","5","10","9","3","8","1") = "9"
    & skf18("6","5","10","9","3","9","1") = "9"
    & skf18("6","5","10","9","3","10","1") = "9"
    & skf18("6","5","10","9","4","1","1") = "9"
    & skf18("6","5","10","9","4","2","1") = "9"
    & skf18("6","5","10","9","4","3","1") = "9"
    & skf18("6","5","10","9","4","4","1") = "9"
    & skf18("6","5","10","9","4","5","1") = "9"
    & skf18("6","5","10","9","4","6","1") = "9"
    & skf18("6","5","10","9","4","7","1") = "9"
    & skf18("6","5","10","9","4","8","1") = "9"
    & skf18("6","5","10","9","4","9","1") = "9"
    & skf18("6","5","10","9","4","10","1") = "9"
    & skf18("6","5","10","9","5","1","1") = "9"
    & skf18("6","5","10","9","5","2","1") = "9"
    & skf18("6","5","10","9","5","3","1") = "9"
    & skf18("6","5","10","9","5","4","1") = "9"
    & skf18("6","5","10","9","5","5","1") = "9"
    & skf18("6","5","10","9","5","6","1") = "9"
    & skf18("6","5","10","9","5","7","1") = "9"
    & skf18("6","5","10","9","5","8","1") = "9"
    & skf18("6","5","10","9","5","9","1") = "9"
    & skf18("6","5","10","9","5","10","1") = "9"
    & skf18("6","5","10","9","6","1","1") = "9"
    & skf18("6","5","10","9","6","2","1") = "9"
    & skf18("6","5","10","9","6","3","1") = "9"
    & skf18("6","5","10","9","6","4","1") = "9"
    & skf18("6","5","10","9","6","5","1") = "9"
    & skf18("6","5","10","9","6","6","1") = "9"
    & skf18("6","5","10","9","6","7","1") = "9"
    & skf18("6","5","10","9","6","8","1") = "9"
    & skf18("6","5","10","9","6","9","1") = "9"
    & skf18("6","5","10","9","6","10","1") = "9"
    & skf18("6","5","10","9","7","1","1") = "9"
    & skf18("6","5","10","9","7","2","1") = "9"
    & skf18("6","5","10","9","7","3","1") = "9"
    & skf18("6","5","10","9","7","4","1") = "9"
    & skf18("6","5","10","9","7","5","1") = "9"
    & skf18("6","5","10","9","7","6","1") = "9"
    & skf18("6","5","10","9","7","7","1") = "9"
    & skf18("6","5","10","9","7","8","1") = "9"
    & skf18("6","5","10","9","7","9","1") = "9"
    & skf18("6","5","10","9","7","10","1") = "9"
    & skf18("6","5","10","9","8","1","1") = "9"
    & skf18("6","5","10","9","8","2","1") = "9"
    & skf18("6","5","10","9","8","3","1") = "9"
    & skf18("6","5","10","9","8","4","1") = "9"
    & skf18("6","5","10","9","8","5","1") = "9"
    & skf18("6","5","10","9","8","6","1") = "9"
    & skf18("6","5","10","9","8","7","1") = "9"
    & skf18("6","5","10","9","8","8","1") = "9"
    & skf18("6","5","10","9","8","9","1") = "9"
    & skf18("6","5","10","9","8","10","1") = "9"
    & skf18("6","5","10","9","9","1","1") = "9"
    & skf18("6","5","10","9","9","2","1") = "9"
    & skf18("6","5","10","9","9","3","1") = "9"
    & skf18("6","5","10","9","9","4","1") = "9"
    & skf18("6","5","10","9","9","5","1") = "9"
    & skf18("6","5","10","9","9","6","1") = "9"
    & skf18("6","5","10","9","9","7","1") = "9"
    & skf18("6","5","10","9","9","8","1") = "9"
    & skf18("6","5","10","9","9","9","1") = "9"
    & skf18("6","5","10","9","9","10","1") = "9"
    & skf18("6","5","10","9","10","1","1") = "9"
    & skf18("6","5","10","9","10","2","1") = "9"
    & skf18("6","5","10","9","10","3","1") = "9"
    & skf18("6","5","10","9","10","4","1") = "9"
    & skf18("6","5","10","9","10","5","1") = "9"
    & skf18("6","5","10","9","10","6","1") = "9"
    & skf18("6","5","10","9","10","7","1") = "9"
    & skf18("6","5","10","9","10","8","1") = "9"
    & skf18("6","5","10","9","10","9","1") = "9"
    & skf18("6","5","10","9","10","10","1") = "9"
    & skf18("6","5","10","10","1","1","1") = "9"
    & skf18("6","5","10","10","1","2","1") = "9"
    & skf18("6","5","10","10","1","3","1") = "9"
    & skf18("6","5","10","10","1","4","1") = "9"
    & skf18("6","5","10","10","1","5","1") = "9"
    & skf18("6","5","10","10","1","6","1") = "9"
    & skf18("6","5","10","10","1","7","1") = "9"
    & skf18("6","5","10","10","1","8","1") = "9"
    & skf18("6","5","10","10","1","9","1") = "9"
    & skf18("6","5","10","10","1","10","1") = "9"
    & skf18("6","5","10","10","2","1","1") = "9"
    & skf18("6","5","10","10","2","2","1") = "9"
    & skf18("6","5","10","10","2","3","1") = "9"
    & skf18("6","5","10","10","2","4","1") = "9"
    & skf18("6","5","10","10","2","5","1") = "9"
    & skf18("6","5","10","10","2","6","1") = "9"
    & skf18("6","5","10","10","2","7","1") = "9"
    & skf18("6","5","10","10","2","8","1") = "9"
    & skf18("6","5","10","10","2","9","1") = "9"
    & skf18("6","5","10","10","2","10","1") = "9"
    & skf18("6","5","10","10","3","1","1") = "9"
    & skf18("6","5","10","10","3","2","1") = "9"
    & skf18("6","5","10","10","3","3","1") = "9"
    & skf18("6","5","10","10","3","4","1") = "9"
    & skf18("6","5","10","10","3","5","1") = "9"
    & skf18("6","5","10","10","3","6","1") = "9"
    & skf18("6","5","10","10","3","7","1") = "9"
    & skf18("6","5","10","10","3","8","1") = "9"
    & skf18("6","5","10","10","3","9","1") = "9"
    & skf18("6","5","10","10","3","10","1") = "9"
    & skf18("6","5","10","10","4","1","1") = "9"
    & skf18("6","5","10","10","4","2","1") = "9"
    & skf18("6","5","10","10","4","3","1") = "9"
    & skf18("6","5","10","10","4","4","1") = "9"
    & skf18("6","5","10","10","4","5","1") = "9"
    & skf18("6","5","10","10","4","6","1") = "9"
    & skf18("6","5","10","10","4","7","1") = "9"
    & skf18("6","5","10","10","4","8","1") = "9"
    & skf18("6","5","10","10","4","9","1") = "9"
    & skf18("6","5","10","10","4","10","1") = "9"
    & skf18("6","5","10","10","5","1","1") = "9"
    & skf18("6","5","10","10","5","2","1") = "9"
    & skf18("6","5","10","10","5","3","1") = "9"
    & skf18("6","5","10","10","5","4","1") = "9"
    & skf18("6","5","10","10","5","5","1") = "9"
    & skf18("6","5","10","10","5","6","1") = "9"
    & skf18("6","5","10","10","5","7","1") = "9"
    & skf18("6","5","10","10","5","8","1") = "9"
    & skf18("6","5","10","10","5","9","1") = "9"
    & skf18("6","5","10","10","5","10","1") = "9"
    & skf18("6","5","10","10","6","1","1") = "9"
    & skf18("6","5","10","10","6","2","1") = "9"
    & skf18("6","5","10","10","6","3","1") = "9"
    & skf18("6","5","10","10","6","4","1") = "9"
    & skf18("6","5","10","10","6","5","1") = "9"
    & skf18("6","5","10","10","6","6","1") = "9"
    & skf18("6","5","10","10","6","7","1") = "9"
    & skf18("6","5","10","10","6","8","1") = "9"
    & skf18("6","5","10","10","6","9","1") = "9"
    & skf18("6","5","10","10","6","10","1") = "9"
    & skf18("6","5","10","10","7","1","1") = "9"
    & skf18("6","5","10","10","7","2","1") = "9"
    & skf18("6","5","10","10","7","3","1") = "9"
    & skf18("6","5","10","10","7","4","1") = "9"
    & skf18("6","5","10","10","7","5","1") = "9"
    & skf18("6","5","10","10","7","6","1") = "9"
    & skf18("6","5","10","10","7","7","1") = "9"
    & skf18("6","5","10","10","7","8","1") = "9"
    & skf18("6","5","10","10","7","9","1") = "9"
    & skf18("6","5","10","10","7","10","1") = "9"
    & skf18("6","5","10","10","8","1","1") = "9"
    & skf18("6","5","10","10","8","2","1") = "9"
    & skf18("6","5","10","10","8","3","1") = "9"
    & skf18("6","5","10","10","8","4","1") = "9"
    & skf18("6","5","10","10","8","5","1") = "9"
    & skf18("6","5","10","10","8","6","1") = "9"
    & skf18("6","5","10","10","8","7","1") = "9"
    & skf18("6","5","10","10","8","8","1") = "9"
    & skf18("6","5","10","10","8","9","1") = "9"
    & skf18("6","5","10","10","8","10","1") = "9"
    & skf18("6","5","10","10","9","1","1") = "9"
    & skf18("6","5","10","10","9","2","1") = "9"
    & skf18("6","5","10","10","9","3","1") = "9"
    & skf18("6","5","10","10","9","4","1") = "9"
    & skf18("6","5","10","10","9","5","1") = "9"
    & skf18("6","5","10","10","9","6","1") = "9"
    & skf18("6","5","10","10","9","7","1") = "9"
    & skf18("6","5","10","10","9","8","1") = "9"
    & skf18("6","5","10","10","9","9","1") = "9"
    & skf18("6","5","10","10","9","10","1") = "9"
    & skf18("6","5","10","10","10","1","1") = "9"
    & skf18("6","5","10","10","10","2","1") = "9"
    & skf18("6","5","10","10","10","3","1") = "9"
    & skf18("6","5","10","10","10","4","1") = "9"
    & skf18("6","5","10","10","10","5","1") = "9"
    & skf18("6","5","10","10","10","6","1") = "9"
    & skf18("6","5","10","10","10","7","1") = "9"
    & skf18("6","5","10","10","10","8","1") = "9"
    & skf18("6","5","10","10","10","9","1") = "9"
    & skf18("6","5","10","10","10","10","1") = "9"
    & skf18("6","6","1","1","1","1","1") = "5"
    & skf18("6","6","1","1","1","2","1") = "5"
    & skf18("6","6","1","1","1","3","1") = "5"
    & skf18("6","6","1","1","1","4","1") = "5"
    & skf18("6","6","1","1","1","5","1") = "5"
    & skf18("6","6","1","1","1","6","1") = "5"
    & skf18("6","6","1","1","1","7","1") = "6"
    & skf18("6","6","1","1","1","8","1") = "7"
    & skf18("6","6","1","1","1","9","1") = "8"
    & skf18("6","6","1","1","1","10","1") = "9"
    & skf18("6","6","1","1","2","1","1") = "5"
    & skf18("6","6","1","1","2","2","1") = "5"
    & skf18("6","6","1","1","2","3","1") = "5"
    & skf18("6","6","1","1","2","4","1") = "5"
    & skf18("6","6","1","1","2","5","1") = "5"
    & skf18("6","6","1","1","2","6","1") = "5"
    & skf18("6","6","1","1","2","7","1") = "6"
    & skf18("6","6","1","1","2","8","1") = "7"
    & skf18("6","6","1","1","2","9","1") = "8"
    & skf18("6","6","1","1","2","10","1") = "9"
    & skf18("6","6","1","1","3","1","1") = "5"
    & skf18("6","6","1","1","3","2","1") = "5"
    & skf18("6","6","1","1","3","3","1") = "5"
    & skf18("6","6","1","1","3","4","1") = "5"
    & skf18("6","6","1","1","3","5","1") = "5"
    & skf18("6","6","1","1","3","6","1") = "5"
    & skf18("6","6","1","1","3","7","1") = "6"
    & skf18("6","6","1","1","3","8","1") = "7"
    & skf18("6","6","1","1","3","9","1") = "8"
    & skf18("6","6","1","1","3","10","1") = "9"
    & skf18("6","6","1","1","4","1","1") = "5"
    & skf18("6","6","1","1","4","2","1") = "5"
    & skf18("6","6","1","1","4","3","1") = "5"
    & skf18("6","6","1","1","4","4","1") = "5"
    & skf18("6","6","1","1","4","5","1") = "5"
    & skf18("6","6","1","1","4","6","1") = "5"
    & skf18("6","6","1","1","4","7","1") = "6"
    & skf18("6","6","1","1","4","8","1") = "7"
    & skf18("6","6","1","1","4","9","1") = "8"
    & skf18("6","6","1","1","4","10","1") = "9"
    & skf18("6","6","1","1","5","1","1") = "5"
    & skf18("6","6","1","1","5","2","1") = "5"
    & skf18("6","6","1","1","5","3","1") = "5"
    & skf18("6","6","1","1","5","4","1") = "5"
    & skf18("6","6","1","1","5","5","1") = "5"
    & skf18("6","6","1","1","5","6","1") = "5"
    & skf18("6","6","1","1","5","7","1") = "6"
    & skf18("6","6","1","1","5","8","1") = "7"
    & skf18("6","6","1","1","5","9","1") = "8"
    & skf18("6","6","1","1","5","10","1") = "9"
    & skf18("6","6","1","1","6","1","1") = "5"
    & skf18("6","6","1","1","6","2","1") = "5"
    & skf18("6","6","1","1","6","3","1") = "5"
    & skf18("6","6","1","1","6","4","1") = "5"
    & skf18("6","6","1","1","6","5","1") = "5"
    & skf18("6","6","1","1","6","6","1") = "5"
    & skf18("6","6","1","1","6","7","1") = "6"
    & skf18("6","6","1","1","6","8","1") = "7"
    & skf18("6","6","1","1","6","9","1") = "8"
    & skf18("6","6","1","1","6","10","1") = "9"
    & skf18("6","6","1","1","7","1","1") = "6"
    & skf18("6","6","1","1","7","2","1") = "6"
    & skf18("6","6","1","1","7","3","1") = "6"
    & skf18("6","6","1","1","7","4","1") = "6"
    & skf18("6","6","1","1","7","5","1") = "6"
    & skf18("6","6","1","1","7","6","1") = "6"
    & skf18("6","6","1","1","7","7","1") = "6"
    & skf18("6","6","1","1","7","8","1") = "7"
    & skf18("6","6","1","1","7","9","1") = "8"
    & skf18("6","6","1","1","7","10","1") = "9"
    & skf18("6","6","1","1","8","1","1") = "7"
    & skf18("6","6","1","1","8","2","1") = "7"
    & skf18("6","6","1","1","8","3","1") = "7"
    & skf18("6","6","1","1","8","4","1") = "7"
    & skf18("6","6","1","1","8","5","1") = "7"
    & skf18("6","6","1","1","8","6","1") = "7"
    & skf18("6","6","1","1","8","7","1") = "7"
    & skf18("6","6","1","1","8","8","1") = "7"
    & skf18("6","6","1","1","8","9","1") = "8"
    & skf18("6","6","1","1","8","10","1") = "9"
    & skf18("6","6","1","1","9","1","1") = "8"
    & skf18("6","6","1","1","9","2","1") = "8"
    & skf18("6","6","1","1","9","3","1") = "8"
    & skf18("6","6","1","1","9","4","1") = "8"
    & skf18("6","6","1","1","9","5","1") = "8"
    & skf18("6","6","1","1","9","6","1") = "8"
    & skf18("6","6","1","1","9","7","1") = "8"
    & skf18("6","6","1","1","9","8","1") = "8"
    & skf18("6","6","1","1","9","9","1") = "8"
    & skf18("6","6","1","1","9","10","1") = "9"
    & skf18("6","6","1","1","10","1","1") = "9"
    & skf18("6","6","1","1","10","2","1") = "9"
    & skf18("6","6","1","1","10","3","1") = "9"
    & skf18("6","6","1","1","10","4","1") = "9"
    & skf18("6","6","1","1","10","5","1") = "9"
    & skf18("6","6","1","1","10","6","1") = "9"
    & skf18("6","6","1","1","10","7","1") = "9"
    & skf18("6","6","1","1","10","8","1") = "9"
    & skf18("6","6","1","1","10","9","1") = "9"
    & skf18("6","6","1","1","10","10","1") = "9"
    & skf18("6","6","1","2","1","1","1") = "5"
    & skf18("6","6","1","2","1","2","1") = "5"
    & skf18("6","6","1","2","1","3","1") = "5"
    & skf18("6","6","1","2","1","4","1") = "5"
    & skf18("6","6","1","2","1","5","1") = "5"
    & skf18("6","6","1","2","1","6","1") = "5"
    & skf18("6","6","1","2","1","7","1") = "6"
    & skf18("6","6","1","2","1","8","1") = "7"
    & skf18("6","6","1","2","1","9","1") = "8"
    & skf18("6","6","1","2","1","10","1") = "9"
    & skf18("6","6","1","2","2","1","1") = "5"
    & skf18("6","6","1","2","2","2","1") = "5"
    & skf18("6","6","1","2","2","3","1") = "5"
    & skf18("6","6","1","2","2","4","1") = "5"
    & skf18("6","6","1","2","2","5","1") = "5"
    & skf18("6","6","1","2","2","6","1") = "5"
    & skf18("6","6","1","2","2","7","1") = "6"
    & skf18("6","6","1","2","2","8","1") = "7"
    & skf18("6","6","1","2","2","9","1") = "8"
    & skf18("6","6","1","2","2","10","1") = "9"
    & skf18("6","6","1","2","3","1","1") = "5"
    & skf18("6","6","1","2","3","2","1") = "5"
    & skf18("6","6","1","2","3","3","1") = "5"
    & skf18("6","6","1","2","3","4","1") = "5"
    & skf18("6","6","1","2","3","5","1") = "5"
    & skf18("6","6","1","2","3","6","1") = "5"
    & skf18("6","6","1","2","3","7","1") = "6"
    & skf18("6","6","1","2","3","8","1") = "7"
    & skf18("6","6","1","2","3","9","1") = "8"
    & skf18("6","6","1","2","3","10","1") = "9"
    & skf18("6","6","1","2","4","1","1") = "5"
    & skf18("6","6","1","2","4","2","1") = "5"
    & skf18("6","6","1","2","4","3","1") = "5"
    & skf18("6","6","1","2","4","4","1") = "5"
    & skf18("6","6","1","2","4","5","1") = "5"
    & skf18("6","6","1","2","4","6","1") = "5"
    & skf18("6","6","1","2","4","7","1") = "6"
    & skf18("6","6","1","2","4","8","1") = "7"
    & skf18("6","6","1","2","4","9","1") = "8"
    & skf18("6","6","1","2","4","10","1") = "9"
    & skf18("6","6","1","2","5","1","1") = "5"
    & skf18("6","6","1","2","5","2","1") = "5"
    & skf18("6","6","1","2","5","3","1") = "5"
    & skf18("6","6","1","2","5","4","1") = "5"
    & skf18("6","6","1","2","5","5","1") = "5"
    & skf18("6","6","1","2","5","6","1") = "5"
    & skf18("6","6","1","2","5","7","1") = "6"
    & skf18("6","6","1","2","5","8","1") = "7"
    & skf18("6","6","1","2","5","9","1") = "8"
    & skf18("6","6","1","2","5","10","1") = "9"
    & skf18("6","6","1","2","6","1","1") = "5"
    & skf18("6","6","1","2","6","2","1") = "5"
    & skf18("6","6","1","2","6","3","1") = "5"
    & skf18("6","6","1","2","6","4","1") = "5"
    & skf18("6","6","1","2","6","5","1") = "5"
    & skf18("6","6","1","2","6","6","1") = "5"
    & skf18("6","6","1","2","6","7","1") = "6"
    & skf18("6","6","1","2","6","8","1") = "7"
    & skf18("6","6","1","2","6","9","1") = "8"
    & skf18("6","6","1","2","6","10","1") = "9"
    & skf18("6","6","1","2","7","1","1") = "6"
    & skf18("6","6","1","2","7","2","1") = "6"
    & skf18("6","6","1","2","7","3","1") = "6"
    & skf18("6","6","1","2","7","4","1") = "6"
    & skf18("6","6","1","2","7","5","1") = "6"
    & skf18("6","6","1","2","7","6","1") = "6"
    & skf18("6","6","1","2","7","7","1") = "6"
    & skf18("6","6","1","2","7","8","1") = "7"
    & skf18("6","6","1","2","7","9","1") = "8"
    & skf18("6","6","1","2","7","10","1") = "9"
    & skf18("6","6","1","2","8","1","1") = "7"
    & skf18("6","6","1","2","8","2","1") = "7"
    & skf18("6","6","1","2","8","3","1") = "7"
    & skf18("6","6","1","2","8","4","1") = "7"
    & skf18("6","6","1","2","8","5","1") = "7"
    & skf18("6","6","1","2","8","6","1") = "7"
    & skf18("6","6","1","2","8","7","1") = "7"
    & skf18("6","6","1","2","8","8","1") = "7"
    & skf18("6","6","1","2","8","9","1") = "8"
    & skf18("6","6","1","2","8","10","1") = "9"
    & skf18("6","6","1","2","9","1","1") = "8"
    & skf18("6","6","1","2","9","2","1") = "8"
    & skf18("6","6","1","2","9","3","1") = "8"
    & skf18("6","6","1","2","9","4","1") = "8"
    & skf18("6","6","1","2","9","5","1") = "8"
    & skf18("6","6","1","2","9","6","1") = "8"
    & skf18("6","6","1","2","9","7","1") = "8"
    & skf18("6","6","1","2","9","8","1") = "8"
    & skf18("6","6","1","2","9","9","1") = "8"
    & skf18("6","6","1","2","9","10","1") = "9"
    & skf18("6","6","1","2","10","1","1") = "9"
    & skf18("6","6","1","2","10","2","1") = "9"
    & skf18("6","6","1","2","10","3","1") = "9"
    & skf18("6","6","1","2","10","4","1") = "9"
    & skf18("6","6","1","2","10","5","1") = "9"
    & skf18("6","6","1","2","10","6","1") = "9"
    & skf18("6","6","1","2","10","7","1") = "9"
    & skf18("6","6","1","2","10","8","1") = "9"
    & skf18("6","6","1","2","10","9","1") = "9"
    & skf18("6","6","1","2","10","10","1") = "9"
    & skf18("6","6","1","3","1","1","1") = "5"
    & skf18("6","6","1","3","1","2","1") = "5"
    & skf18("6","6","1","3","1","3","1") = "5"
    & skf18("6","6","1","3","1","4","1") = "5"
    & skf18("6","6","1","3","1","5","1") = "5"
    & skf18("6","6","1","3","1","6","1") = "5"
    & skf18("6","6","1","3","1","7","1") = "6"
    & skf18("6","6","1","3","1","8","1") = "7"
    & skf18("6","6","1","3","1","9","1") = "8"
    & skf18("6","6","1","3","1","10","1") = "9"
    & skf18("6","6","1","3","2","1","1") = "5"
    & skf18("6","6","1","3","2","2","1") = "5"
    & skf18("6","6","1","3","2","3","1") = "5"
    & skf18("6","6","1","3","2","4","1") = "5"
    & skf18("6","6","1","3","2","5","1") = "5"
    & skf18("6","6","1","3","2","6","1") = "5"
    & skf18("6","6","1","3","2","7","1") = "6"
    & skf18("6","6","1","3","2","8","1") = "7"
    & skf18("6","6","1","3","2","9","1") = "8"
    & skf18("6","6","1","3","2","10","1") = "9"
    & skf18("6","6","1","3","3","1","1") = "5"
    & skf18("6","6","1","3","3","2","1") = "5"
    & skf18("6","6","1","3","3","3","1") = "5"
    & skf18("6","6","1","3","3","4","1") = "5"
    & skf18("6","6","1","3","3","5","1") = "5"
    & skf18("6","6","1","3","3","6","1") = "5"
    & skf18("6","6","1","3","3","7","1") = "6"
    & skf18("6","6","1","3","3","8","1") = "7"
    & skf18("6","6","1","3","3","9","1") = "8"
    & skf18("6","6","1","3","3","10","1") = "9"
    & skf18("6","6","1","3","4","1","1") = "5"
    & skf18("6","6","1","3","4","2","1") = "5"
    & skf18("6","6","1","3","4","3","1") = "5"
    & skf18("6","6","1","3","4","4","1") = "5"
    & skf18("6","6","1","3","4","5","1") = "5"
    & skf18("6","6","1","3","4","6","1") = "5"
    & skf18("6","6","1","3","4","7","1") = "6"
    & skf18("6","6","1","3","4","8","1") = "7"
    & skf18("6","6","1","3","4","9","1") = "8"
    & skf18("6","6","1","3","4","10","1") = "9"
    & skf18("6","6","1","3","5","1","1") = "5"
    & skf18("6","6","1","3","5","2","1") = "5"
    & skf18("6","6","1","3","5","3","1") = "5"
    & skf18("6","6","1","3","5","4","1") = "5"
    & skf18("6","6","1","3","5","5","1") = "5"
    & skf18("6","6","1","3","5","6","1") = "5"
    & skf18("6","6","1","3","5","7","1") = "6"
    & skf18("6","6","1","3","5","8","1") = "7"
    & skf18("6","6","1","3","5","9","1") = "8"
    & skf18("6","6","1","3","5","10","1") = "9"
    & skf18("6","6","1","3","6","1","1") = "5"
    & skf18("6","6","1","3","6","2","1") = "5"
    & skf18("6","6","1","3","6","3","1") = "5"
    & skf18("6","6","1","3","6","4","1") = "5"
    & skf18("6","6","1","3","6","5","1") = "5"
    & skf18("6","6","1","3","6","6","1") = "5"
    & skf18("6","6","1","3","6","7","1") = "6"
    & skf18("6","6","1","3","6","8","1") = "7"
    & skf18("6","6","1","3","6","9","1") = "8"
    & skf18("6","6","1","3","6","10","1") = "9"
    & skf18("6","6","1","3","7","1","1") = "6"
    & skf18("6","6","1","3","7","2","1") = "6"
    & skf18("6","6","1","3","7","3","1") = "6"
    & skf18("6","6","1","3","7","4","1") = "6"
    & skf18("6","6","1","3","7","5","1") = "6"
    & skf18("6","6","1","3","7","6","1") = "6"
    & skf18("6","6","1","3","7","7","1") = "6"
    & skf18("6","6","1","3","7","8","1") = "7"
    & skf18("6","6","1","3","7","9","1") = "8"
    & skf18("6","6","1","3","7","10","1") = "9"
    & skf18("6","6","1","3","8","1","1") = "7"
    & skf18("6","6","1","3","8","2","1") = "7"
    & skf18("6","6","1","3","8","3","1") = "7"
    & skf18("6","6","1","3","8","4","1") = "7"
    & skf18("6","6","1","3","8","5","1") = "7"
    & skf18("6","6","1","3","8","6","1") = "7"
    & skf18("6","6","1","3","8","7","1") = "7"
    & skf18("6","6","1","3","8","8","1") = "7"
    & skf18("6","6","1","3","8","9","1") = "8"
    & skf18("6","6","1","3","8","10","1") = "9"
    & skf18("6","6","1","3","9","1","1") = "8"
    & skf18("6","6","1","3","9","2","1") = "8"
    & skf18("6","6","1","3","9","3","1") = "8"
    & skf18("6","6","1","3","9","4","1") = "8"
    & skf18("6","6","1","3","9","5","1") = "8"
    & skf18("6","6","1","3","9","6","1") = "8"
    & skf18("6","6","1","3","9","7","1") = "8"
    & skf18("6","6","1","3","9","8","1") = "8"
    & skf18("6","6","1","3","9","9","1") = "8"
    & skf18("6","6","1","3","9","10","1") = "9"
    & skf18("6","6","1","3","10","1","1") = "9"
    & skf18("6","6","1","3","10","2","1") = "9"
    & skf18("6","6","1","3","10","3","1") = "9"
    & skf18("6","6","1","3","10","4","1") = "9"
    & skf18("6","6","1","3","10","5","1") = "9"
    & skf18("6","6","1","3","10","6","1") = "9"
    & skf18("6","6","1","3","10","7","1") = "9"
    & skf18("6","6","1","3","10","8","1") = "9"
    & skf18("6","6","1","3","10","9","1") = "9"
    & skf18("6","6","1","3","10","10","1") = "9"
    & skf18("6","6","1","4","1","1","1") = "5"
    & skf18("6","6","1","4","1","2","1") = "5"
    & skf18("6","6","1","4","1","3","1") = "5"
    & skf18("6","6","1","4","1","4","1") = "5"
    & skf18("6","6","1","4","1","5","1") = "5"
    & skf18("6","6","1","4","1","6","1") = "5"
    & skf18("6","6","1","4","1","7","1") = "6"
    & skf18("6","6","1","4","1","8","1") = "7"
    & skf18("6","6","1","4","1","9","1") = "8"
    & skf18("6","6","1","4","1","10","1") = "9"
    & skf18("6","6","1","4","2","1","1") = "5"
    & skf18("6","6","1","4","2","2","1") = "5"
    & skf18("6","6","1","4","2","3","1") = "5"
    & skf18("6","6","1","4","2","4","1") = "5"
    & skf18("6","6","1","4","2","5","1") = "5"
    & skf18("6","6","1","4","2","6","1") = "5"
    & skf18("6","6","1","4","2","7","1") = "6"
    & skf18("6","6","1","4","2","8","1") = "7"
    & skf18("6","6","1","4","2","9","1") = "8"
    & skf18("6","6","1","4","2","10","1") = "9"
    & skf18("6","6","1","4","3","1","1") = "5"
    & skf18("6","6","1","4","3","2","1") = "5"
    & skf18("6","6","1","4","3","3","1") = "5"
    & skf18("6","6","1","4","3","4","1") = "5"
    & skf18("6","6","1","4","3","5","1") = "5"
    & skf18("6","6","1","4","3","6","1") = "5"
    & skf18("6","6","1","4","3","7","1") = "6"
    & skf18("6","6","1","4","3","8","1") = "7"
    & skf18("6","6","1","4","3","9","1") = "8"
    & skf18("6","6","1","4","3","10","1") = "9"
    & skf18("6","6","1","4","4","1","1") = "5"
    & skf18("6","6","1","4","4","2","1") = "5"
    & skf18("6","6","1","4","4","3","1") = "5"
    & skf18("6","6","1","4","4","4","1") = "5"
    & skf18("6","6","1","4","4","5","1") = "5"
    & skf18("6","6","1","4","4","6","1") = "5"
    & skf18("6","6","1","4","4","7","1") = "6"
    & skf18("6","6","1","4","4","8","1") = "7"
    & skf18("6","6","1","4","4","9","1") = "8"
    & skf18("6","6","1","4","4","10","1") = "9"
    & skf18("6","6","1","4","5","1","1") = "5"
    & skf18("6","6","1","4","5","2","1") = "5"
    & skf18("6","6","1","4","5","3","1") = "5"
    & skf18("6","6","1","4","5","4","1") = "5"
    & skf18("6","6","1","4","5","5","1") = "5"
    & skf18("6","6","1","4","5","6","1") = "5"
    & skf18("6","6","1","4","5","7","1") = "6"
    & skf18("6","6","1","4","5","8","1") = "7"
    & skf18("6","6","1","4","5","9","1") = "8"
    & skf18("6","6","1","4","5","10","1") = "9"
    & skf18("6","6","1","4","6","1","1") = "5"
    & skf18("6","6","1","4","6","2","1") = "5"
    & skf18("6","6","1","4","6","3","1") = "5"
    & skf18("6","6","1","4","6","4","1") = "5"
    & skf18("6","6","1","4","6","5","1") = "5"
    & skf18("6","6","1","4","6","6","1") = "5"
    & skf18("6","6","1","4","6","7","1") = "6"
    & skf18("6","6","1","4","6","8","1") = "7"
    & skf18("6","6","1","4","6","9","1") = "8"
    & skf18("6","6","1","4","6","10","1") = "9"
    & skf18("6","6","1","4","7","1","1") = "6"
    & skf18("6","6","1","4","7","2","1") = "6"
    & skf18("6","6","1","4","7","3","1") = "6"
    & skf18("6","6","1","4","7","4","1") = "6"
    & skf18("6","6","1","4","7","5","1") = "6"
    & skf18("6","6","1","4","7","6","1") = "6"
    & skf18("6","6","1","4","7","7","1") = "6"
    & skf18("6","6","1","4","7","8","1") = "7"
    & skf18("6","6","1","4","7","9","1") = "8"
    & skf18("6","6","1","4","7","10","1") = "9"
    & skf18("6","6","1","4","8","1","1") = "7"
    & skf18("6","6","1","4","8","2","1") = "7"
    & skf18("6","6","1","4","8","3","1") = "7"
    & skf18("6","6","1","4","8","4","1") = "7"
    & skf18("6","6","1","4","8","5","1") = "7"
    & skf18("6","6","1","4","8","6","1") = "7"
    & skf18("6","6","1","4","8","7","1") = "7"
    & skf18("6","6","1","4","8","8","1") = "7"
    & skf18("6","6","1","4","8","9","1") = "8"
    & skf18("6","6","1","4","8","10","1") = "9"
    & skf18("6","6","1","4","9","1","1") = "8"
    & skf18("6","6","1","4","9","2","1") = "8"
    & skf18("6","6","1","4","9","3","1") = "8"
    & skf18("6","6","1","4","9","4","1") = "8"
    & skf18("6","6","1","4","9","5","1") = "8"
    & skf18("6","6","1","4","9","6","1") = "8"
    & skf18("6","6","1","4","9","7","1") = "8"
    & skf18("6","6","1","4","9","8","1") = "8"
    & skf18("6","6","1","4","9","9","1") = "8"
    & skf18("6","6","1","4","9","10","1") = "9"
    & skf18("6","6","1","4","10","1","1") = "9"
    & skf18("6","6","1","4","10","2","1") = "9"
    & skf18("6","6","1","4","10","3","1") = "9"
    & skf18("6","6","1","4","10","4","1") = "9"
    & skf18("6","6","1","4","10","5","1") = "9"
    & skf18("6","6","1","4","10","6","1") = "9"
    & skf18("6","6","1","4","10","7","1") = "9"
    & skf18("6","6","1","4","10","8","1") = "9"
    & skf18("6","6","1","4","10","9","1") = "9"
    & skf18("6","6","1","4","10","10","1") = "9"
    & skf18("6","6","1","5","1","1","1") = "5"
    & skf18("6","6","1","5","1","2","1") = "5"
    & skf18("6","6","1","5","1","3","1") = "5"
    & skf18("6","6","1","5","1","4","1") = "5"
    & skf18("6","6","1","5","1","5","1") = "5"
    & skf18("6","6","1","5","1","6","1") = "5"
    & skf18("6","6","1","5","1","7","1") = "6"
    & skf18("6","6","1","5","1","8","1") = "7"
    & skf18("6","6","1","5","1","9","1") = "8"
    & skf18("6","6","1","5","1","10","1") = "9"
    & skf18("6","6","1","5","2","1","1") = "5"
    & skf18("6","6","1","5","2","2","1") = "5"
    & skf18("6","6","1","5","2","3","1") = "5"
    & skf18("6","6","1","5","2","4","1") = "5"
    & skf18("6","6","1","5","2","5","1") = "5"
    & skf18("6","6","1","5","2","6","1") = "5"
    & skf18("6","6","1","5","2","7","1") = "6"
    & skf18("6","6","1","5","2","8","1") = "7"
    & skf18("6","6","1","5","2","9","1") = "8"
    & skf18("6","6","1","5","2","10","1") = "9"
    & skf18("6","6","1","5","3","1","1") = "5"
    & skf18("6","6","1","5","3","2","1") = "5"
    & skf18("6","6","1","5","3","3","1") = "5"
    & skf18("6","6","1","5","3","4","1") = "5"
    & skf18("6","6","1","5","3","5","1") = "5"
    & skf18("6","6","1","5","3","6","1") = "5"
    & skf18("6","6","1","5","3","7","1") = "6"
    & skf18("6","6","1","5","3","8","1") = "7"
    & skf18("6","6","1","5","3","9","1") = "8"
    & skf18("6","6","1","5","3","10","1") = "9"
    & skf18("6","6","1","5","4","1","1") = "5"
    & skf18("6","6","1","5","4","2","1") = "5"
    & skf18("6","6","1","5","4","3","1") = "5"
    & skf18("6","6","1","5","4","4","1") = "5"
    & skf18("6","6","1","5","4","5","1") = "5"
    & skf18("6","6","1","5","4","6","1") = "5"
    & skf18("6","6","1","5","4","7","1") = "6"
    & skf18("6","6","1","5","4","8","1") = "7"
    & skf18("6","6","1","5","4","9","1") = "8"
    & skf18("6","6","1","5","4","10","1") = "9"
    & skf18("6","6","1","5","5","1","1") = "5"
    & skf18("6","6","1","5","5","2","1") = "5"
    & skf18("6","6","1","5","5","3","1") = "5"
    & skf18("6","6","1","5","5","4","1") = "5"
    & skf18("6","6","1","5","5","5","1") = "5"
    & skf18("6","6","1","5","5","6","1") = "5"
    & skf18("6","6","1","5","5","7","1") = "6"
    & skf18("6","6","1","5","5","8","1") = "7"
    & skf18("6","6","1","5","5","9","1") = "8"
    & skf18("6","6","1","5","5","10","1") = "9"
    & skf18("6","6","1","5","6","1","1") = "5"
    & skf18("6","6","1","5","6","2","1") = "5"
    & skf18("6","6","1","5","6","3","1") = "5"
    & skf18("6","6","1","5","6","4","1") = "5"
    & skf18("6","6","1","5","6","5","1") = "5"
    & skf18("6","6","1","5","6","6","1") = "5"
    & skf18("6","6","1","5","6","7","1") = "6"
    & skf18("6","6","1","5","6","8","1") = "7"
    & skf18("6","6","1","5","6","9","1") = "8"
    & skf18("6","6","1","5","6","10","1") = "9"
    & skf18("6","6","1","5","7","1","1") = "6"
    & skf18("6","6","1","5","7","2","1") = "6"
    & skf18("6","6","1","5","7","3","1") = "6"
    & skf18("6","6","1","5","7","4","1") = "6"
    & skf18("6","6","1","5","7","5","1") = "6"
    & skf18("6","6","1","5","7","6","1") = "6"
    & skf18("6","6","1","5","7","7","1") = "6"
    & skf18("6","6","1","5","7","8","1") = "7"
    & skf18("6","6","1","5","7","9","1") = "8"
    & skf18("6","6","1","5","7","10","1") = "9"
    & skf18("6","6","1","5","8","1","1") = "7"
    & skf18("6","6","1","5","8","2","1") = "7"
    & skf18("6","6","1","5","8","3","1") = "7"
    & skf18("6","6","1","5","8","4","1") = "7"
    & skf18("6","6","1","5","8","5","1") = "7"
    & skf18("6","6","1","5","8","6","1") = "7"
    & skf18("6","6","1","5","8","7","1") = "7"
    & skf18("6","6","1","5","8","8","1") = "7"
    & skf18("6","6","1","5","8","9","1") = "8"
    & skf18("6","6","1","5","8","10","1") = "9"
    & skf18("6","6","1","5","9","1","1") = "8"
    & skf18("6","6","1","5","9","2","1") = "8"
    & skf18("6","6","1","5","9","3","1") = "8"
    & skf18("6","6","1","5","9","4","1") = "8"
    & skf18("6","6","1","5","9","5","1") = "8"
    & skf18("6","6","1","5","9","6","1") = "8"
    & skf18("6","6","1","5","9","7","1") = "8"
    & skf18("6","6","1","5","9","8","1") = "8"
    & skf18("6","6","1","5","9","9","1") = "8"
    & skf18("6","6","1","5","9","10","1") = "9"
    & skf18("6","6","1","5","10","1","1") = "9"
    & skf18("6","6","1","5","10","2","1") = "9"
    & skf18("6","6","1","5","10","3","1") = "9"
    & skf18("6","6","1","5","10","4","1") = "9"
    & skf18("6","6","1","5","10","5","1") = "9"
    & skf18("6","6","1","5","10","6","1") = "9"
    & skf18("6","6","1","5","10","7","1") = "9"
    & skf18("6","6","1","5","10","8","1") = "9"
    & skf18("6","6","1","5","10","9","1") = "9"
    & skf18("6","6","1","5","10","10","1") = "9"
    & skf18("6","6","1","6","1","1","1") = "5"
    & skf18("6","6","1","6","1","2","1") = "5"
    & skf18("6","6","1","6","1","3","1") = "5"
    & skf18("6","6","1","6","1","4","1") = "5"
    & skf18("6","6","1","6","1","5","1") = "5"
    & skf18("6","6","1","6","1","6","1") = "5"
    & skf18("6","6","1","6","1","7","1") = "6"
    & skf18("6","6","1","6","1","8","1") = "7"
    & skf18("6","6","1","6","1","9","1") = "8"
    & skf18("6","6","1","6","1","10","1") = "9"
    & skf18("6","6","1","6","2","1","1") = "5"
    & skf18("6","6","1","6","2","2","1") = "5"
    & skf18("6","6","1","6","2","3","1") = "5"
    & skf18("6","6","1","6","2","4","1") = "5"
    & skf18("6","6","1","6","2","5","1") = "5"
    & skf18("6","6","1","6","2","6","1") = "5"
    & skf18("6","6","1","6","2","7","1") = "6"
    & skf18("6","6","1","6","2","8","1") = "7"
    & skf18("6","6","1","6","2","9","1") = "8"
    & skf18("6","6","1","6","2","10","1") = "9"
    & skf18("6","6","1","6","3","1","1") = "5"
    & skf18("6","6","1","6","3","2","1") = "5"
    & skf18("6","6","1","6","3","3","1") = "5"
    & skf18("6","6","1","6","3","4","1") = "5"
    & skf18("6","6","1","6","3","5","1") = "5"
    & skf18("6","6","1","6","3","6","1") = "5"
    & skf18("6","6","1","6","3","7","1") = "6"
    & skf18("6","6","1","6","3","8","1") = "7"
    & skf18("6","6","1","6","3","9","1") = "8"
    & skf18("6","6","1","6","3","10","1") = "9"
    & skf18("6","6","1","6","4","1","1") = "5"
    & skf18("6","6","1","6","4","2","1") = "5"
    & skf18("6","6","1","6","4","3","1") = "5"
    & skf18("6","6","1","6","4","4","1") = "5"
    & skf18("6","6","1","6","4","5","1") = "5"
    & skf18("6","6","1","6","4","6","1") = "5"
    & skf18("6","6","1","6","4","7","1") = "6"
    & skf18("6","6","1","6","4","8","1") = "7"
    & skf18("6","6","1","6","4","9","1") = "8"
    & skf18("6","6","1","6","4","10","1") = "9"
    & skf18("6","6","1","6","5","1","1") = "5"
    & skf18("6","6","1","6","5","2","1") = "5"
    & skf18("6","6","1","6","5","3","1") = "5"
    & skf18("6","6","1","6","5","4","1") = "5"
    & skf18("6","6","1","6","5","5","1") = "5"
    & skf18("6","6","1","6","5","6","1") = "5"
    & skf18("6","6","1","6","5","7","1") = "6"
    & skf18("6","6","1","6","5","8","1") = "7"
    & skf18("6","6","1","6","5","9","1") = "8"
    & skf18("6","6","1","6","5","10","1") = "9"
    & skf18("6","6","1","6","6","1","1") = "5"
    & skf18("6","6","1","6","6","2","1") = "5"
    & skf18("6","6","1","6","6","3","1") = "5"
    & skf18("6","6","1","6","6","4","1") = "5"
    & skf18("6","6","1","6","6","5","1") = "5"
    & skf18("6","6","1","6","6","6","1") = "5"
    & skf18("6","6","1","6","6","7","1") = "6"
    & skf18("6","6","1","6","6","8","1") = "7"
    & skf18("6","6","1","6","6","9","1") = "8"
    & skf18("6","6","1","6","6","10","1") = "9"
    & skf18("6","6","1","6","7","1","1") = "6"
    & skf18("6","6","1","6","7","2","1") = "6"
    & skf18("6","6","1","6","7","3","1") = "6"
    & skf18("6","6","1","6","7","4","1") = "6"
    & skf18("6","6","1","6","7","5","1") = "6"
    & skf18("6","6","1","6","7","6","1") = "6"
    & skf18("6","6","1","6","7","7","1") = "6"
    & skf18("6","6","1","6","7","8","1") = "7"
    & skf18("6","6","1","6","7","9","1") = "8"
    & skf18("6","6","1","6","7","10","1") = "9"
    & skf18("6","6","1","6","8","1","1") = "7"
    & skf18("6","6","1","6","8","2","1") = "7"
    & skf18("6","6","1","6","8","3","1") = "7"
    & skf18("6","6","1","6","8","4","1") = "7"
    & skf18("6","6","1","6","8","5","1") = "7"
    & skf18("6","6","1","6","8","6","1") = "7"
    & skf18("6","6","1","6","8","7","1") = "7"
    & skf18("6","6","1","6","8","8","1") = "7"
    & skf18("6","6","1","6","8","9","1") = "8"
    & skf18("6","6","1","6","8","10","1") = "9"
    & skf18("6","6","1","6","9","1","1") = "8"
    & skf18("6","6","1","6","9","2","1") = "8"
    & skf18("6","6","1","6","9","3","1") = "8"
    & skf18("6","6","1","6","9","4","1") = "8"
    & skf18("6","6","1","6","9","5","1") = "8"
    & skf18("6","6","1","6","9","6","1") = "8"
    & skf18("6","6","1","6","9","7","1") = "8"
    & skf18("6","6","1","6","9","8","1") = "8"
    & skf18("6","6","1","6","9","9","1") = "8"
    & skf18("6","6","1","6","9","10","1") = "9"
    & skf18("6","6","1","6","10","1","1") = "9"
    & skf18("6","6","1","6","10","2","1") = "9"
    & skf18("6","6","1","6","10","3","1") = "9"
    & skf18("6","6","1","6","10","4","1") = "9"
    & skf18("6","6","1","6","10","5","1") = "9"
    & skf18("6","6","1","6","10","6","1") = "9"
    & skf18("6","6","1","6","10","7","1") = "9"
    & skf18("6","6","1","6","10","8","1") = "9"
    & skf18("6","6","1","6","10","9","1") = "9"
    & skf18("6","6","1","6","10","10","1") = "9"
    & skf18("6","6","1","7","1","1","1") = "6"
    & skf18("6","6","1","7","1","2","1") = "6"
    & skf18("6","6","1","7","1","3","1") = "6"
    & skf18("6","6","1","7","1","4","1") = "6"
    & skf18("6","6","1","7","1","5","1") = "6"
    & skf18("6","6","1","7","1","6","1") = "6"
    & skf18("6","6","1","7","1","7","1") = "6"
    & skf18("6","6","1","7","1","8","1") = "7"
    & skf18("6","6","1","7","1","9","1") = "8"
    & skf18("6","6","1","7","1","10","1") = "9"
    & skf18("6","6","1","7","2","1","1") = "6"
    & skf18("6","6","1","7","2","2","1") = "6"
    & skf18("6","6","1","7","2","3","1") = "6"
    & skf18("6","6","1","7","2","4","1") = "6"
    & skf18("6","6","1","7","2","5","1") = "6"
    & skf18("6","6","1","7","2","6","1") = "6"
    & skf18("6","6","1","7","2","7","1") = "6"
    & skf18("6","6","1","7","2","8","1") = "7"
    & skf18("6","6","1","7","2","9","1") = "8"
    & skf18("6","6","1","7","2","10","1") = "9"
    & skf18("6","6","1","7","3","1","1") = "6"
    & skf18("6","6","1","7","3","2","1") = "6"
    & skf18("6","6","1","7","3","3","1") = "6"
    & skf18("6","6","1","7","3","4","1") = "6"
    & skf18("6","6","1","7","3","5","1") = "6"
    & skf18("6","6","1","7","3","6","1") = "6"
    & skf18("6","6","1","7","3","7","1") = "6"
    & skf18("6","6","1","7","3","8","1") = "7"
    & skf18("6","6","1","7","3","9","1") = "8"
    & skf18("6","6","1","7","3","10","1") = "9"
    & skf18("6","6","1","7","4","1","1") = "6"
    & skf18("6","6","1","7","4","2","1") = "6"
    & skf18("6","6","1","7","4","3","1") = "6"
    & skf18("6","6","1","7","4","4","1") = "6"
    & skf18("6","6","1","7","4","5","1") = "6"
    & skf18("6","6","1","7","4","6","1") = "6"
    & skf18("6","6","1","7","4","7","1") = "6"
    & skf18("6","6","1","7","4","8","1") = "7"
    & skf18("6","6","1","7","4","9","1") = "8"
    & skf18("6","6","1","7","4","10","1") = "9"
    & skf18("6","6","1","7","5","1","1") = "6"
    & skf18("6","6","1","7","5","2","1") = "6"
    & skf18("6","6","1","7","5","3","1") = "6"
    & skf18("6","6","1","7","5","4","1") = "6"
    & skf18("6","6","1","7","5","5","1") = "6"
    & skf18("6","6","1","7","5","6","1") = "6"
    & skf18("6","6","1","7","5","7","1") = "6"
    & skf18("6","6","1","7","5","8","1") = "7"
    & skf18("6","6","1","7","5","9","1") = "8"
    & skf18("6","6","1","7","5","10","1") = "9"
    & skf18("6","6","1","7","6","1","1") = "6"
    & skf18("6","6","1","7","6","2","1") = "6"
    & skf18("6","6","1","7","6","3","1") = "6"
    & skf18("6","6","1","7","6","4","1") = "6"
    & skf18("6","6","1","7","6","5","1") = "6"
    & skf18("6","6","1","7","6","6","1") = "6"
    & skf18("6","6","1","7","6","7","1") = "6"
    & skf18("6","6","1","7","6","8","1") = "7"
    & skf18("6","6","1","7","6","9","1") = "8"
    & skf18("6","6","1","7","6","10","1") = "9"
    & skf18("6","6","1","7","7","1","1") = "6"
    & skf18("6","6","1","7","7","2","1") = "6"
    & skf18("6","6","1","7","7","3","1") = "6"
    & skf18("6","6","1","7","7","4","1") = "6"
    & skf18("6","6","1","7","7","5","1") = "6"
    & skf18("6","6","1","7","7","6","1") = "6"
    & skf18("6","6","1","7","7","7","1") = "6"
    & skf18("6","6","1","7","7","8","1") = "7"
    & skf18("6","6","1","7","7","9","1") = "8"
    & skf18("6","6","1","7","7","10","1") = "9"
    & skf18("6","6","1","7","8","1","1") = "7"
    & skf18("6","6","1","7","8","2","1") = "7"
    & skf18("6","6","1","7","8","3","1") = "7"
    & skf18("6","6","1","7","8","4","1") = "7"
    & skf18("6","6","1","7","8","5","1") = "7"
    & skf18("6","6","1","7","8","6","1") = "7"
    & skf18("6","6","1","7","8","7","1") = "7"
    & skf18("6","6","1","7","8","8","1") = "7"
    & skf18("6","6","1","7","8","9","1") = "8"
    & skf18("6","6","1","7","8","10","1") = "9"
    & skf18("6","6","1","7","9","1","1") = "8"
    & skf18("6","6","1","7","9","2","1") = "8"
    & skf18("6","6","1","7","9","3","1") = "8"
    & skf18("6","6","1","7","9","4","1") = "8"
    & skf18("6","6","1","7","9","5","1") = "8"
    & skf18("6","6","1","7","9","6","1") = "8"
    & skf18("6","6","1","7","9","7","1") = "8"
    & skf18("6","6","1","7","9","8","1") = "8"
    & skf18("6","6","1","7","9","9","1") = "8"
    & skf18("6","6","1","7","9","10","1") = "9"
    & skf18("6","6","1","7","10","1","1") = "9"
    & skf18("6","6","1","7","10","2","1") = "9"
    & skf18("6","6","1","7","10","3","1") = "9"
    & skf18("6","6","1","7","10","4","1") = "9"
    & skf18("6","6","1","7","10","5","1") = "9"
    & skf18("6","6","1","7","10","6","1") = "9"
    & skf18("6","6","1","7","10","7","1") = "9"
    & skf18("6","6","1","7","10","8","1") = "9"
    & skf18("6","6","1","7","10","9","1") = "9"
    & skf18("6","6","1","7","10","10","1") = "9"
    & skf18("6","6","1","8","1","1","1") = "7"
    & skf18("6","6","1","8","1","2","1") = "7"
    & skf18("6","6","1","8","1","3","1") = "7"
    & skf18("6","6","1","8","1","4","1") = "7"
    & skf18("6","6","1","8","1","5","1") = "7"
    & skf18("6","6","1","8","1","6","1") = "7"
    & skf18("6","6","1","8","1","7","1") = "7"
    & skf18("6","6","1","8","1","8","1") = "7"
    & skf18("6","6","1","8","1","9","1") = "8"
    & skf18("6","6","1","8","1","10","1") = "9"
    & skf18("6","6","1","8","2","1","1") = "7"
    & skf18("6","6","1","8","2","2","1") = "7"
    & skf18("6","6","1","8","2","3","1") = "7"
    & skf18("6","6","1","8","2","4","1") = "7"
    & skf18("6","6","1","8","2","5","1") = "7"
    & skf18("6","6","1","8","2","6","1") = "7"
    & skf18("6","6","1","8","2","7","1") = "7"
    & skf18("6","6","1","8","2","8","1") = "7"
    & skf18("6","6","1","8","2","9","1") = "8"
    & skf18("6","6","1","8","2","10","1") = "9"
    & skf18("6","6","1","8","3","1","1") = "7"
    & skf18("6","6","1","8","3","2","1") = "7"
    & skf18("6","6","1","8","3","3","1") = "7"
    & skf18("6","6","1","8","3","4","1") = "7"
    & skf18("6","6","1","8","3","5","1") = "7"
    & skf18("6","6","1","8","3","6","1") = "7"
    & skf18("6","6","1","8","3","7","1") = "7"
    & skf18("6","6","1","8","3","8","1") = "7"
    & skf18("6","6","1","8","3","9","1") = "8"
    & skf18("6","6","1","8","3","10","1") = "9"
    & skf18("6","6","1","8","4","1","1") = "7"
    & skf18("6","6","1","8","4","2","1") = "7"
    & skf18("6","6","1","8","4","3","1") = "7"
    & skf18("6","6","1","8","4","4","1") = "7"
    & skf18("6","6","1","8","4","5","1") = "7"
    & skf18("6","6","1","8","4","6","1") = "7"
    & skf18("6","6","1","8","4","7","1") = "7"
    & skf18("6","6","1","8","4","8","1") = "7"
    & skf18("6","6","1","8","4","9","1") = "8"
    & skf18("6","6","1","8","4","10","1") = "9"
    & skf18("6","6","1","8","5","1","1") = "7"
    & skf18("6","6","1","8","5","2","1") = "7"
    & skf18("6","6","1","8","5","3","1") = "7"
    & skf18("6","6","1","8","5","4","1") = "7"
    & skf18("6","6","1","8","5","5","1") = "7"
    & skf18("6","6","1","8","5","6","1") = "7"
    & skf18("6","6","1","8","5","7","1") = "7"
    & skf18("6","6","1","8","5","8","1") = "7"
    & skf18("6","6","1","8","5","9","1") = "8"
    & skf18("6","6","1","8","5","10","1") = "9"
    & skf18("6","6","1","8","6","1","1") = "7"
    & skf18("6","6","1","8","6","2","1") = "7"
    & skf18("6","6","1","8","6","3","1") = "7"
    & skf18("6","6","1","8","6","4","1") = "7"
    & skf18("6","6","1","8","6","5","1") = "7"
    & skf18("6","6","1","8","6","6","1") = "7"
    & skf18("6","6","1","8","6","7","1") = "7"
    & skf18("6","6","1","8","6","8","1") = "7"
    & skf18("6","6","1","8","6","9","1") = "8"
    & skf18("6","6","1","8","6","10","1") = "9"
    & skf18("6","6","1","8","7","1","1") = "7"
    & skf18("6","6","1","8","7","2","1") = "7"
    & skf18("6","6","1","8","7","3","1") = "7"
    & skf18("6","6","1","8","7","4","1") = "7"
    & skf18("6","6","1","8","7","5","1") = "7"
    & skf18("6","6","1","8","7","6","1") = "7"
    & skf18("6","6","1","8","7","7","1") = "7"
    & skf18("6","6","1","8","7","8","1") = "7"
    & skf18("6","6","1","8","7","9","1") = "8"
    & skf18("6","6","1","8","7","10","1") = "9"
    & skf18("6","6","1","8","8","1","1") = "7"
    & skf18("6","6","1","8","8","2","1") = "7"
    & skf18("6","6","1","8","8","3","1") = "7"
    & skf18("6","6","1","8","8","4","1") = "7"
    & skf18("6","6","1","8","8","5","1") = "7"
    & skf18("6","6","1","8","8","6","1") = "7"
    & skf18("6","6","1","8","8","7","1") = "7"
    & skf18("6","6","1","8","8","8","1") = "7"
    & skf18("6","6","1","8","8","9","1") = "8"
    & skf18("6","6","1","8","8","10","1") = "9"
    & skf18("6","6","1","8","9","1","1") = "8"
    & skf18("6","6","1","8","9","2","1") = "8"
    & skf18("6","6","1","8","9","3","1") = "8"
    & skf18("6","6","1","8","9","4","1") = "8"
    & skf18("6","6","1","8","9","5","1") = "8"
    & skf18("6","6","1","8","9","6","1") = "8"
    & skf18("6","6","1","8","9","7","1") = "8"
    & skf18("6","6","1","8","9","8","1") = "8"
    & skf18("6","6","1","8","9","9","1") = "8"
    & skf18("6","6","1","8","9","10","1") = "9"
    & skf18("6","6","1","8","10","1","1") = "9"
    & skf18("6","6","1","8","10","2","1") = "9"
    & skf18("6","6","1","8","10","3","1") = "9"
    & skf18("6","6","1","8","10","4","1") = "9"
    & skf18("6","6","1","8","10","5","1") = "9"
    & skf18("6","6","1","8","10","6","1") = "9"
    & skf18("6","6","1","8","10","7","1") = "9"
    & skf18("6","6","1","8","10","8","1") = "9"
    & skf18("6","6","1","8","10","9","1") = "9"
    & skf18("6","6","1","8","10","10","1") = "9"
    & skf18("6","6","1","9","1","1","1") = "8"
    & skf18("6","6","1","9","1","2","1") = "8"
    & skf18("6","6","1","9","1","3","1") = "8"
    & skf18("6","6","1","9","1","4","1") = "8"
    & skf18("6","6","1","9","1","5","1") = "8"
    & skf18("6","6","1","9","1","6","1") = "8"
    & skf18("6","6","1","9","1","7","1") = "8"
    & skf18("6","6","1","9","1","8","1") = "8"
    & skf18("6","6","1","9","1","9","1") = "8"
    & skf18("6","6","1","9","1","10","1") = "9"
    & skf18("6","6","1","9","2","1","1") = "8"
    & skf18("6","6","1","9","2","2","1") = "8"
    & skf18("6","6","1","9","2","3","1") = "8"
    & skf18("6","6","1","9","2","4","1") = "8"
    & skf18("6","6","1","9","2","5","1") = "8"
    & skf18("6","6","1","9","2","6","1") = "8"
    & skf18("6","6","1","9","2","7","1") = "8"
    & skf18("6","6","1","9","2","8","1") = "8"
    & skf18("6","6","1","9","2","9","1") = "8"
    & skf18("6","6","1","9","2","10","1") = "9"
    & skf18("6","6","1","9","3","1","1") = "8"
    & skf18("6","6","1","9","3","2","1") = "8"
    & skf18("6","6","1","9","3","3","1") = "8"
    & skf18("6","6","1","9","3","4","1") = "8"
    & skf18("6","6","1","9","3","5","1") = "8"
    & skf18("6","6","1","9","3","6","1") = "8"
    & skf18("6","6","1","9","3","7","1") = "8"
    & skf18("6","6","1","9","3","8","1") = "8"
    & skf18("6","6","1","9","3","9","1") = "8"
    & skf18("6","6","1","9","3","10","1") = "9"
    & skf18("6","6","1","9","4","1","1") = "8"
    & skf18("6","6","1","9","4","2","1") = "8"
    & skf18("6","6","1","9","4","3","1") = "8"
    & skf18("6","6","1","9","4","4","1") = "8"
    & skf18("6","6","1","9","4","5","1") = "8"
    & skf18("6","6","1","9","4","6","1") = "8"
    & skf18("6","6","1","9","4","7","1") = "8"
    & skf18("6","6","1","9","4","8","1") = "8"
    & skf18("6","6","1","9","4","9","1") = "8"
    & skf18("6","6","1","9","4","10","1") = "9"
    & skf18("6","6","1","9","5","1","1") = "8"
    & skf18("6","6","1","9","5","2","1") = "8"
    & skf18("6","6","1","9","5","3","1") = "8"
    & skf18("6","6","1","9","5","4","1") = "8"
    & skf18("6","6","1","9","5","5","1") = "8"
    & skf18("6","6","1","9","5","6","1") = "8"
    & skf18("6","6","1","9","5","7","1") = "8"
    & skf18("6","6","1","9","5","8","1") = "8"
    & skf18("6","6","1","9","5","9","1") = "8"
    & skf18("6","6","1","9","5","10","1") = "9"
    & skf18("6","6","1","9","6","1","1") = "8"
    & skf18("6","6","1","9","6","2","1") = "8"
    & skf18("6","6","1","9","6","3","1") = "8"
    & skf18("6","6","1","9","6","4","1") = "8"
    & skf18("6","6","1","9","6","5","1") = "8"
    & skf18("6","6","1","9","6","6","1") = "8"
    & skf18("6","6","1","9","6","7","1") = "8"
    & skf18("6","6","1","9","6","8","1") = "8"
    & skf18("6","6","1","9","6","9","1") = "8"
    & skf18("6","6","1","9","6","10","1") = "9"
    & skf18("6","6","1","9","7","1","1") = "8"
    & skf18("6","6","1","9","7","2","1") = "8"
    & skf18("6","6","1","9","7","3","1") = "8"
    & skf18("6","6","1","9","7","4","1") = "8"
    & skf18("6","6","1","9","7","5","1") = "8"
    & skf18("6","6","1","9","7","6","1") = "8"
    & skf18("6","6","1","9","7","7","1") = "8"
    & skf18("6","6","1","9","7","8","1") = "8"
    & skf18("6","6","1","9","7","9","1") = "8"
    & skf18("6","6","1","9","7","10","1") = "9"
    & skf18("6","6","1","9","8","1","1") = "8"
    & skf18("6","6","1","9","8","2","1") = "8"
    & skf18("6","6","1","9","8","3","1") = "8"
    & skf18("6","6","1","9","8","4","1") = "8"
    & skf18("6","6","1","9","8","5","1") = "8"
    & skf18("6","6","1","9","8","6","1") = "8"
    & skf18("6","6","1","9","8","7","1") = "8"
    & skf18("6","6","1","9","8","8","1") = "8"
    & skf18("6","6","1","9","8","9","1") = "8"
    & skf18("6","6","1","9","8","10","1") = "9"
    & skf18("6","6","1","9","9","1","1") = "8"
    & skf18("6","6","1","9","9","2","1") = "8"
    & skf18("6","6","1","9","9","3","1") = "8"
    & skf18("6","6","1","9","9","4","1") = "8"
    & skf18("6","6","1","9","9","5","1") = "8"
    & skf18("6","6","1","9","9","6","1") = "8"
    & skf18("6","6","1","9","9","7","1") = "8"
    & skf18("6","6","1","9","9","8","1") = "8"
    & skf18("6","6","1","9","9","9","1") = "8"
    & skf18("6","6","1","9","9","10","1") = "9"
    & skf18("6","6","1","9","10","1","1") = "9"
    & skf18("6","6","1","9","10","2","1") = "9"
    & skf18("6","6","1","9","10","3","1") = "9"
    & skf18("6","6","1","9","10","4","1") = "9"
    & skf18("6","6","1","9","10","5","1") = "9"
    & skf18("6","6","1","9","10","6","1") = "9"
    & skf18("6","6","1","9","10","7","1") = "9"
    & skf18("6","6","1","9","10","8","1") = "9"
    & skf18("6","6","1","9","10","9","1") = "9"
    & skf18("6","6","1","9","10","10","1") = "9"
    & skf18("6","6","1","10","1","1","1") = "9"
    & skf18("6","6","1","10","1","2","1") = "9"
    & skf18("6","6","1","10","1","3","1") = "9"
    & skf18("6","6","1","10","1","4","1") = "9"
    & skf18("6","6","1","10","1","5","1") = "9"
    & skf18("6","6","1","10","1","6","1") = "9"
    & skf18("6","6","1","10","1","7","1") = "9"
    & skf18("6","6","1","10","1","8","1") = "9"
    & skf18("6","6","1","10","1","9","1") = "9"
    & skf18("6","6","1","10","1","10","1") = "9"
    & skf18("6","6","1","10","2","1","1") = "9"
    & skf18("6","6","1","10","2","2","1") = "9"
    & skf18("6","6","1","10","2","3","1") = "9"
    & skf18("6","6","1","10","2","4","1") = "9"
    & skf18("6","6","1","10","2","5","1") = "9"
    & skf18("6","6","1","10","2","6","1") = "9"
    & skf18("6","6","1","10","2","7","1") = "9"
    & skf18("6","6","1","10","2","8","1") = "9"
    & skf18("6","6","1","10","2","9","1") = "9"
    & skf18("6","6","1","10","2","10","1") = "9"
    & skf18("6","6","1","10","3","1","1") = "9"
    & skf18("6","6","1","10","3","2","1") = "9"
    & skf18("6","6","1","10","3","3","1") = "9"
    & skf18("6","6","1","10","3","4","1") = "9"
    & skf18("6","6","1","10","3","5","1") = "9"
    & skf18("6","6","1","10","3","6","1") = "9"
    & skf18("6","6","1","10","3","7","1") = "9"
    & skf18("6","6","1","10","3","8","1") = "9"
    & skf18("6","6","1","10","3","9","1") = "9"
    & skf18("6","6","1","10","3","10","1") = "9"
    & skf18("6","6","1","10","4","1","1") = "9"
    & skf18("6","6","1","10","4","2","1") = "9"
    & skf18("6","6","1","10","4","3","1") = "9"
    & skf18("6","6","1","10","4","4","1") = "9"
    & skf18("6","6","1","10","4","5","1") = "9"
    & skf18("6","6","1","10","4","6","1") = "9"
    & skf18("6","6","1","10","4","7","1") = "9"
    & skf18("6","6","1","10","4","8","1") = "9"
    & skf18("6","6","1","10","4","9","1") = "9"
    & skf18("6","6","1","10","4","10","1") = "9"
    & skf18("6","6","1","10","5","1","1") = "9"
    & skf18("6","6","1","10","5","2","1") = "9"
    & skf18("6","6","1","10","5","3","1") = "9"
    & skf18("6","6","1","10","5","4","1") = "9"
    & skf18("6","6","1","10","5","5","1") = "9"
    & skf18("6","6","1","10","5","6","1") = "9"
    & skf18("6","6","1","10","5","7","1") = "9"
    & skf18("6","6","1","10","5","8","1") = "9"
    & skf18("6","6","1","10","5","9","1") = "9"
    & skf18("6","6","1","10","5","10","1") = "9"
    & skf18("6","6","1","10","6","1","1") = "9"
    & skf18("6","6","1","10","6","2","1") = "9"
    & skf18("6","6","1","10","6","3","1") = "9"
    & skf18("6","6","1","10","6","4","1") = "9"
    & skf18("6","6","1","10","6","5","1") = "9"
    & skf18("6","6","1","10","6","6","1") = "9"
    & skf18("6","6","1","10","6","7","1") = "9"
    & skf18("6","6","1","10","6","8","1") = "9"
    & skf18("6","6","1","10","6","9","1") = "9"
    & skf18("6","6","1","10","6","10","1") = "9"
    & skf18("6","6","1","10","7","1","1") = "9"
    & skf18("6","6","1","10","7","2","1") = "9"
    & skf18("6","6","1","10","7","3","1") = "9"
    & skf18("6","6","1","10","7","4","1") = "9"
    & skf18("6","6","1","10","7","5","1") = "9"
    & skf18("6","6","1","10","7","6","1") = "9"
    & skf18("6","6","1","10","7","7","1") = "9"
    & skf18("6","6","1","10","7","8","1") = "9"
    & skf18("6","6","1","10","7","9","1") = "9"
    & skf18("6","6","1","10","7","10","1") = "9"
    & skf18("6","6","1","10","8","1","1") = "9"
    & skf18("6","6","1","10","8","2","1") = "9"
    & skf18("6","6","1","10","8","3","1") = "9"
    & skf18("6","6","1","10","8","4","1") = "9"
    & skf18("6","6","1","10","8","5","1") = "9"
    & skf18("6","6","1","10","8","6","1") = "9"
    & skf18("6","6","1","10","8","7","1") = "9"
    & skf18("6","6","1","10","8","8","1") = "9"
    & skf18("6","6","1","10","8","9","1") = "9"
    & skf18("6","6","1","10","8","10","1") = "9"
    & skf18("6","6","1","10","9","1","1") = "9"
    & skf18("6","6","1","10","9","2","1") = "9"
    & skf18("6","6","1","10","9","3","1") = "9"
    & skf18("6","6","1","10","9","4","1") = "9"
    & skf18("6","6","1","10","9","5","1") = "9"
    & skf18("6","6","1","10","9","6","1") = "9"
    & skf18("6","6","1","10","9","7","1") = "9"
    & skf18("6","6","1","10","9","8","1") = "9"
    & skf18("6","6","1","10","9","9","1") = "9"
    & skf18("6","6","1","10","9","10","1") = "9"
    & skf18("6","6","1","10","10","1","1") = "9"
    & skf18("6","6","1","10","10","2","1") = "9"
    & skf18("6","6","1","10","10","3","1") = "9"
    & skf18("6","6","1","10","10","4","1") = "9"
    & skf18("6","6","1","10","10","5","1") = "9"
    & skf18("6","6","1","10","10","6","1") = "9"
    & skf18("6","6","1","10","10","7","1") = "9"
    & skf18("6","6","1","10","10","8","1") = "9"
    & skf18("6","6","1","10","10","9","1") = "9"
    & skf18("6","6","1","10","10","10","1") = "9"
    & skf18("6","6","2","1","1","1","1") = "5"
    & skf18("6","6","2","1","1","2","1") = "5"
    & skf18("6","6","2","1","1","3","1") = "5"
    & skf18("6","6","2","1","1","4","1") = "5"
    & skf18("6","6","2","1","1","5","1") = "5"
    & skf18("6","6","2","1","1","6","1") = "5"
    & skf18("6","6","2","1","1","7","1") = "6"
    & skf18("6","6","2","1","1","8","1") = "7"
    & skf18("6","6","2","1","1","9","1") = "8"
    & skf18("6","6","2","1","1","10","1") = "9"
    & skf18("6","6","2","1","2","1","1") = "5"
    & skf18("6","6","2","1","2","2","1") = "5"
    & skf18("6","6","2","1","2","3","1") = "5"
    & skf18("6","6","2","1","2","4","1") = "5"
    & skf18("6","6","2","1","2","5","1") = "5"
    & skf18("6","6","2","1","2","6","1") = "5"
    & skf18("6","6","2","1","2","7","1") = "6"
    & skf18("6","6","2","1","2","8","1") = "7"
    & skf18("6","6","2","1","2","9","1") = "8"
    & skf18("6","6","2","1","2","10","1") = "9"
    & skf18("6","6","2","1","3","1","1") = "5"
    & skf18("6","6","2","1","3","2","1") = "5"
    & skf18("6","6","2","1","3","3","1") = "5"
    & skf18("6","6","2","1","3","4","1") = "5"
    & skf18("6","6","2","1","3","5","1") = "5"
    & skf18("6","6","2","1","3","6","1") = "5"
    & skf18("6","6","2","1","3","7","1") = "6"
    & skf18("6","6","2","1","3","8","1") = "7"
    & skf18("6","6","2","1","3","9","1") = "8"
    & skf18("6","6","2","1","3","10","1") = "9"
    & skf18("6","6","2","1","4","1","1") = "5"
    & skf18("6","6","2","1","4","2","1") = "5"
    & skf18("6","6","2","1","4","3","1") = "5"
    & skf18("6","6","2","1","4","4","1") = "5"
    & skf18("6","6","2","1","4","5","1") = "5"
    & skf18("6","6","2","1","4","6","1") = "5"
    & skf18("6","6","2","1","4","7","1") = "6"
    & skf18("6","6","2","1","4","8","1") = "7"
    & skf18("6","6","2","1","4","9","1") = "8"
    & skf18("6","6","2","1","4","10","1") = "9"
    & skf18("6","6","2","1","5","1","1") = "5"
    & skf18("6","6","2","1","5","2","1") = "5"
    & skf18("6","6","2","1","5","3","1") = "5"
    & skf18("6","6","2","1","5","4","1") = "5"
    & skf18("6","6","2","1","5","5","1") = "5"
    & skf18("6","6","2","1","5","6","1") = "5"
    & skf18("6","6","2","1","5","7","1") = "6"
    & skf18("6","6","2","1","5","8","1") = "7"
    & skf18("6","6","2","1","5","9","1") = "8"
    & skf18("6","6","2","1","5","10","1") = "9"
    & skf18("6","6","2","1","6","1","1") = "5"
    & skf18("6","6","2","1","6","2","1") = "5"
    & skf18("6","6","2","1","6","3","1") = "5"
    & skf18("6","6","2","1","6","4","1") = "5"
    & skf18("6","6","2","1","6","5","1") = "5"
    & skf18("6","6","2","1","6","6","1") = "5"
    & skf18("6","6","2","1","6","7","1") = "6"
    & skf18("6","6","2","1","6","8","1") = "7"
    & skf18("6","6","2","1","6","9","1") = "8"
    & skf18("6","6","2","1","6","10","1") = "9"
    & skf18("6","6","2","1","7","1","1") = "6"
    & skf18("6","6","2","1","7","2","1") = "6"
    & skf18("6","6","2","1","7","3","1") = "6"
    & skf18("6","6","2","1","7","4","1") = "6"
    & skf18("6","6","2","1","7","5","1") = "6"
    & skf18("6","6","2","1","7","6","1") = "6"
    & skf18("6","6","2","1","7","7","1") = "6"
    & skf18("6","6","2","1","7","8","1") = "7"
    & skf18("6","6","2","1","7","9","1") = "8"
    & skf18("6","6","2","1","7","10","1") = "9"
    & skf18("6","6","2","1","8","1","1") = "7"
    & skf18("6","6","2","1","8","2","1") = "7"
    & skf18("6","6","2","1","8","3","1") = "7"
    & skf18("6","6","2","1","8","4","1") = "7"
    & skf18("6","6","2","1","8","5","1") = "7"
    & skf18("6","6","2","1","8","6","1") = "7"
    & skf18("6","6","2","1","8","7","1") = "7"
    & skf18("6","6","2","1","8","8","1") = "7"
    & skf18("6","6","2","1","8","9","1") = "8"
    & skf18("6","6","2","1","8","10","1") = "9"
    & skf18("6","6","2","1","9","1","1") = "8"
    & skf18("6","6","2","1","9","2","1") = "8"
    & skf18("6","6","2","1","9","3","1") = "8"
    & skf18("6","6","2","1","9","4","1") = "8"
    & skf18("6","6","2","1","9","5","1") = "8"
    & skf18("6","6","2","1","9","6","1") = "8"
    & skf18("6","6","2","1","9","7","1") = "8"
    & skf18("6","6","2","1","9","8","1") = "8"
    & skf18("6","6","2","1","9","9","1") = "8"
    & skf18("6","6","2","1","9","10","1") = "9"
    & skf18("6","6","2","1","10","1","1") = "9"
    & skf18("6","6","2","1","10","2","1") = "9"
    & skf18("6","6","2","1","10","3","1") = "9"
    & skf18("6","6","2","1","10","4","1") = "9"
    & skf18("6","6","2","1","10","5","1") = "9"
    & skf18("6","6","2","1","10","6","1") = "9"
    & skf18("6","6","2","1","10","7","1") = "9"
    & skf18("6","6","2","1","10","8","1") = "9"
    & skf18("6","6","2","1","10","9","1") = "9"
    & skf18("6","6","2","1","10","10","1") = "9"
    & skf18("6","6","2","2","1","1","1") = "5"
    & skf18("6","6","2","2","1","2","1") = "5"
    & skf18("6","6","2","2","1","3","1") = "5"
    & skf18("6","6","2","2","1","4","1") = "5"
    & skf18("6","6","2","2","1","5","1") = "5"
    & skf18("6","6","2","2","1","6","1") = "5"
    & skf18("6","6","2","2","1","7","1") = "6"
    & skf18("6","6","2","2","1","8","1") = "7"
    & skf18("6","6","2","2","1","9","1") = "8"
    & skf18("6","6","2","2","1","10","1") = "9"
    & skf18("6","6","2","2","2","1","1") = "5"
    & skf18("6","6","2","2","2","2","1") = "5"
    & skf18("6","6","2","2","2","3","1") = "5"
    & skf18("6","6","2","2","2","4","1") = "5"
    & skf18("6","6","2","2","2","5","1") = "5"
    & skf18("6","6","2","2","2","6","1") = "5"
    & skf18("6","6","2","2","2","7","1") = "6"
    & skf18("6","6","2","2","2","8","1") = "7"
    & skf18("6","6","2","2","2","9","1") = "8"
    & skf18("6","6","2","2","2","10","1") = "9"
    & skf18("6","6","2","2","3","1","1") = "5"
    & skf18("6","6","2","2","3","2","1") = "5"
    & skf18("6","6","2","2","3","3","1") = "5"
    & skf18("6","6","2","2","3","4","1") = "5"
    & skf18("6","6","2","2","3","5","1") = "5"
    & skf18("6","6","2","2","3","6","1") = "5"
    & skf18("6","6","2","2","3","7","1") = "6"
    & skf18("6","6","2","2","3","8","1") = "7"
    & skf18("6","6","2","2","3","9","1") = "8"
    & skf18("6","6","2","2","3","10","1") = "9"
    & skf18("6","6","2","2","4","1","1") = "5"
    & skf18("6","6","2","2","4","2","1") = "5"
    & skf18("6","6","2","2","4","3","1") = "5"
    & skf18("6","6","2","2","4","4","1") = "5"
    & skf18("6","6","2","2","4","5","1") = "5"
    & skf18("6","6","2","2","4","6","1") = "5"
    & skf18("6","6","2","2","4","7","1") = "6"
    & skf18("6","6","2","2","4","8","1") = "7"
    & skf18("6","6","2","2","4","9","1") = "8"
    & skf18("6","6","2","2","4","10","1") = "9"
    & skf18("6","6","2","2","5","1","1") = "5"
    & skf18("6","6","2","2","5","2","1") = "5"
    & skf18("6","6","2","2","5","3","1") = "5"
    & skf18("6","6","2","2","5","4","1") = "5"
    & skf18("6","6","2","2","5","5","1") = "5"
    & skf18("6","6","2","2","5","6","1") = "5"
    & skf18("6","6","2","2","5","7","1") = "6"
    & skf18("6","6","2","2","5","8","1") = "7"
    & skf18("6","6","2","2","5","9","1") = "8"
    & skf18("6","6","2","2","5","10","1") = "9"
    & skf18("6","6","2","2","6","1","1") = "5"
    & skf18("6","6","2","2","6","2","1") = "5"
    & skf18("6","6","2","2","6","3","1") = "5"
    & skf18("6","6","2","2","6","4","1") = "5"
    & skf18("6","6","2","2","6","5","1") = "5"
    & skf18("6","6","2","2","6","6","1") = "5"
    & skf18("6","6","2","2","6","7","1") = "6"
    & skf18("6","6","2","2","6","8","1") = "7"
    & skf18("6","6","2","2","6","9","1") = "8"
    & skf18("6","6","2","2","6","10","1") = "9"
    & skf18("6","6","2","2","7","1","1") = "6"
    & skf18("6","6","2","2","7","2","1") = "6"
    & skf18("6","6","2","2","7","3","1") = "6"
    & skf18("6","6","2","2","7","4","1") = "6"
    & skf18("6","6","2","2","7","5","1") = "6"
    & skf18("6","6","2","2","7","6","1") = "6"
    & skf18("6","6","2","2","7","7","1") = "6"
    & skf18("6","6","2","2","7","8","1") = "7"
    & skf18("6","6","2","2","7","9","1") = "8"
    & skf18("6","6","2","2","7","10","1") = "9"
    & skf18("6","6","2","2","8","1","1") = "7"
    & skf18("6","6","2","2","8","2","1") = "7"
    & skf18("6","6","2","2","8","3","1") = "7"
    & skf18("6","6","2","2","8","4","1") = "7"
    & skf18("6","6","2","2","8","5","1") = "7"
    & skf18("6","6","2","2","8","6","1") = "7"
    & skf18("6","6","2","2","8","7","1") = "7"
    & skf18("6","6","2","2","8","8","1") = "7"
    & skf18("6","6","2","2","8","9","1") = "8"
    & skf18("6","6","2","2","8","10","1") = "9"
    & skf18("6","6","2","2","9","1","1") = "8"
    & skf18("6","6","2","2","9","2","1") = "8"
    & skf18("6","6","2","2","9","3","1") = "8"
    & skf18("6","6","2","2","9","4","1") = "8"
    & skf18("6","6","2","2","9","5","1") = "8"
    & skf18("6","6","2","2","9","6","1") = "8"
    & skf18("6","6","2","2","9","7","1") = "8"
    & skf18("6","6","2","2","9","8","1") = "8"
    & skf18("6","6","2","2","9","9","1") = "8"
    & skf18("6","6","2","2","9","10","1") = "9"
    & skf18("6","6","2","2","10","1","1") = "9"
    & skf18("6","6","2","2","10","2","1") = "9"
    & skf18("6","6","2","2","10","3","1") = "9"
    & skf18("6","6","2","2","10","4","1") = "9"
    & skf18("6","6","2","2","10","5","1") = "9"
    & skf18("6","6","2","2","10","6","1") = "9"
    & skf18("6","6","2","2","10","7","1") = "9"
    & skf18("6","6","2","2","10","8","1") = "9"
    & skf18("6","6","2","2","10","9","1") = "9"
    & skf18("6","6","2","2","10","10","1") = "9"
    & skf18("6","6","2","3","1","1","1") = "5"
    & skf18("6","6","2","3","1","2","1") = "5"
    & skf18("6","6","2","3","1","3","1") = "5"
    & skf18("6","6","2","3","1","4","1") = "5"
    & skf18("6","6","2","3","1","5","1") = "5"
    & skf18("6","6","2","3","1","6","1") = "5"
    & skf18("6","6","2","3","1","7","1") = "6"
    & skf18("6","6","2","3","1","8","1") = "7"
    & skf18("6","6","2","3","1","9","1") = "8"
    & skf18("6","6","2","3","1","10","1") = "9"
    & skf18("6","6","2","3","2","1","1") = "5"
    & skf18("6","6","2","3","2","2","1") = "5"
    & skf18("6","6","2","3","2","3","1") = "5"
    & skf18("6","6","2","3","2","4","1") = "5"
    & skf18("6","6","2","3","2","5","1") = "5"
    & skf18("6","6","2","3","2","6","1") = "5"
    & skf18("6","6","2","3","2","7","1") = "6"
    & skf18("6","6","2","3","2","8","1") = "7"
    & skf18("6","6","2","3","2","9","1") = "8"
    & skf18("6","6","2","3","2","10","1") = "9"
    & skf18("6","6","2","3","3","1","1") = "5"
    & skf18("6","6","2","3","3","2","1") = "5"
    & skf18("6","6","2","3","3","3","1") = "5"
    & skf18("6","6","2","3","3","4","1") = "5"
    & skf18("6","6","2","3","3","5","1") = "5"
    & skf18("6","6","2","3","3","6","1") = "5"
    & skf18("6","6","2","3","3","7","1") = "6"
    & skf18("6","6","2","3","3","8","1") = "7"
    & skf18("6","6","2","3","3","9","1") = "8"
    & skf18("6","6","2","3","3","10","1") = "9"
    & skf18("6","6","2","3","4","1","1") = "5"
    & skf18("6","6","2","3","4","2","1") = "5"
    & skf18("6","6","2","3","4","3","1") = "5"
    & skf18("6","6","2","3","4","4","1") = "5"
    & skf18("6","6","2","3","4","5","1") = "5"
    & skf18("6","6","2","3","4","6","1") = "5"
    & skf18("6","6","2","3","4","7","1") = "6"
    & skf18("6","6","2","3","4","8","1") = "7"
    & skf18("6","6","2","3","4","9","1") = "8"
    & skf18("6","6","2","3","4","10","1") = "9"
    & skf18("6","6","2","3","5","1","1") = "5"
    & skf18("6","6","2","3","5","2","1") = "5"
    & skf18("6","6","2","3","5","3","1") = "5"
    & skf18("6","6","2","3","5","4","1") = "5"
    & skf18("6","6","2","3","5","5","1") = "5"
    & skf18("6","6","2","3","5","6","1") = "5"
    & skf18("6","6","2","3","5","7","1") = "6"
    & skf18("6","6","2","3","5","8","1") = "7"
    & skf18("6","6","2","3","5","9","1") = "8"
    & skf18("6","6","2","3","5","10","1") = "9"
    & skf18("6","6","2","3","6","1","1") = "5"
    & skf18("6","6","2","3","6","2","1") = "5"
    & skf18("6","6","2","3","6","3","1") = "5"
    & skf18("6","6","2","3","6","4","1") = "5"
    & skf18("6","6","2","3","6","5","1") = "5"
    & skf18("6","6","2","3","6","6","1") = "5"
    & skf18("6","6","2","3","6","7","1") = "6"
    & skf18("6","6","2","3","6","8","1") = "7"
    & skf18("6","6","2","3","6","9","1") = "8"
    & skf18("6","6","2","3","6","10","1") = "9"
    & skf18("6","6","2","3","7","1","1") = "6"
    & skf18("6","6","2","3","7","2","1") = "6"
    & skf18("6","6","2","3","7","3","1") = "6"
    & skf18("6","6","2","3","7","4","1") = "6"
    & skf18("6","6","2","3","7","5","1") = "6"
    & skf18("6","6","2","3","7","6","1") = "6"
    & skf18("6","6","2","3","7","7","1") = "6"
    & skf18("6","6","2","3","7","8","1") = "7"
    & skf18("6","6","2","3","7","9","1") = "8"
    & skf18("6","6","2","3","7","10","1") = "9"
    & skf18("6","6","2","3","8","1","1") = "7"
    & skf18("6","6","2","3","8","2","1") = "7"
    & skf18("6","6","2","3","8","3","1") = "7"
    & skf18("6","6","2","3","8","4","1") = "7"
    & skf18("6","6","2","3","8","5","1") = "7"
    & skf18("6","6","2","3","8","6","1") = "7"
    & skf18("6","6","2","3","8","7","1") = "7"
    & skf18("6","6","2","3","8","8","1") = "7"
    & skf18("6","6","2","3","8","9","1") = "8"
    & skf18("6","6","2","3","8","10","1") = "9"
    & skf18("6","6","2","3","9","1","1") = "8"
    & skf18("6","6","2","3","9","2","1") = "8"
    & skf18("6","6","2","3","9","3","1") = "8"
    & skf18("6","6","2","3","9","4","1") = "8"
    & skf18("6","6","2","3","9","5","1") = "8"
    & skf18("6","6","2","3","9","6","1") = "8"
    & skf18("6","6","2","3","9","7","1") = "8"
    & skf18("6","6","2","3","9","8","1") = "8"
    & skf18("6","6","2","3","9","9","1") = "8"
    & skf18("6","6","2","3","9","10","1") = "9"
    & skf18("6","6","2","3","10","1","1") = "9"
    & skf18("6","6","2","3","10","2","1") = "9"
    & skf18("6","6","2","3","10","3","1") = "9"
    & skf18("6","6","2","3","10","4","1") = "9"
    & skf18("6","6","2","3","10","5","1") = "9"
    & skf18("6","6","2","3","10","6","1") = "9"
    & skf18("6","6","2","3","10","7","1") = "9"
    & skf18("6","6","2","3","10","8","1") = "9"
    & skf18("6","6","2","3","10","9","1") = "9"
    & skf18("6","6","2","3","10","10","1") = "9"
    & skf18("6","6","2","4","1","1","1") = "5"
    & skf18("6","6","2","4","1","2","1") = "5"
    & skf18("6","6","2","4","1","3","1") = "5"
    & skf18("6","6","2","4","1","4","1") = "5"
    & skf18("6","6","2","4","1","5","1") = "5"
    & skf18("6","6","2","4","1","6","1") = "5"
    & skf18("6","6","2","4","1","7","1") = "6"
    & skf18("6","6","2","4","1","8","1") = "7"
    & skf18("6","6","2","4","1","9","1") = "8"
    & skf18("6","6","2","4","1","10","1") = "9"
    & skf18("6","6","2","4","2","1","1") = "5"
    & skf18("6","6","2","4","2","2","1") = "5"
    & skf18("6","6","2","4","2","3","1") = "5"
    & skf18("6","6","2","4","2","4","1") = "5"
    & skf18("6","6","2","4","2","5","1") = "5"
    & skf18("6","6","2","4","2","6","1") = "5"
    & skf18("6","6","2","4","2","7","1") = "6"
    & skf18("6","6","2","4","2","8","1") = "7"
    & skf18("6","6","2","4","2","9","1") = "8"
    & skf18("6","6","2","4","2","10","1") = "9"
    & skf18("6","6","2","4","3","1","1") = "5"
    & skf18("6","6","2","4","3","2","1") = "5"
    & skf18("6","6","2","4","3","3","1") = "5"
    & skf18("6","6","2","4","3","4","1") = "5"
    & skf18("6","6","2","4","3","5","1") = "5"
    & skf18("6","6","2","4","3","6","1") = "5"
    & skf18("6","6","2","4","3","7","1") = "6"
    & skf18("6","6","2","4","3","8","1") = "7"
    & skf18("6","6","2","4","3","9","1") = "8"
    & skf18("6","6","2","4","3","10","1") = "9"
    & skf18("6","6","2","4","4","1","1") = "5"
    & skf18("6","6","2","4","4","2","1") = "5"
    & skf18("6","6","2","4","4","3","1") = "5"
    & skf18("6","6","2","4","4","4","1") = "5"
    & skf18("6","6","2","4","4","5","1") = "5"
    & skf18("6","6","2","4","4","6","1") = "5"
    & skf18("6","6","2","4","4","7","1") = "6"
    & skf18("6","6","2","4","4","8","1") = "7"
    & skf18("6","6","2","4","4","9","1") = "8"
    & skf18("6","6","2","4","4","10","1") = "9"
    & skf18("6","6","2","4","5","1","1") = "5"
    & skf18("6","6","2","4","5","2","1") = "5"
    & skf18("6","6","2","4","5","3","1") = "5"
    & skf18("6","6","2","4","5","4","1") = "5"
    & skf18("6","6","2","4","5","5","1") = "5"
    & skf18("6","6","2","4","5","6","1") = "5"
    & skf18("6","6","2","4","5","7","1") = "6"
    & skf18("6","6","2","4","5","8","1") = "7"
    & skf18("6","6","2","4","5","9","1") = "8"
    & skf18("6","6","2","4","5","10","1") = "9"
    & skf18("6","6","2","4","6","1","1") = "5"
    & skf18("6","6","2","4","6","2","1") = "5"
    & skf18("6","6","2","4","6","3","1") = "5"
    & skf18("6","6","2","4","6","4","1") = "5"
    & skf18("6","6","2","4","6","5","1") = "5"
    & skf18("6","6","2","4","6","6","1") = "5"
    & skf18("6","6","2","4","6","7","1") = "6"
    & skf18("6","6","2","4","6","8","1") = "7"
    & skf18("6","6","2","4","6","9","1") = "8"
    & skf18("6","6","2","4","6","10","1") = "9"
    & skf18("6","6","2","4","7","1","1") = "6"
    & skf18("6","6","2","4","7","2","1") = "6"
    & skf18("6","6","2","4","7","3","1") = "6"
    & skf18("6","6","2","4","7","4","1") = "6"
    & skf18("6","6","2","4","7","5","1") = "6"
    & skf18("6","6","2","4","7","6","1") = "6"
    & skf18("6","6","2","4","7","7","1") = "6"
    & skf18("6","6","2","4","7","8","1") = "7"
    & skf18("6","6","2","4","7","9","1") = "8"
    & skf18("6","6","2","4","7","10","1") = "9"
    & skf18("6","6","2","4","8","1","1") = "7"
    & skf18("6","6","2","4","8","2","1") = "7"
    & skf18("6","6","2","4","8","3","1") = "7"
    & skf18("6","6","2","4","8","4","1") = "7"
    & skf18("6","6","2","4","8","5","1") = "7"
    & skf18("6","6","2","4","8","6","1") = "7"
    & skf18("6","6","2","4","8","7","1") = "7"
    & skf18("6","6","2","4","8","8","1") = "7"
    & skf18("6","6","2","4","8","9","1") = "8"
    & skf18("6","6","2","4","8","10","1") = "9"
    & skf18("6","6","2","4","9","1","1") = "8"
    & skf18("6","6","2","4","9","2","1") = "8"
    & skf18("6","6","2","4","9","3","1") = "8"
    & skf18("6","6","2","4","9","4","1") = "8"
    & skf18("6","6","2","4","9","5","1") = "8"
    & skf18("6","6","2","4","9","6","1") = "8"
    & skf18("6","6","2","4","9","7","1") = "8"
    & skf18("6","6","2","4","9","8","1") = "8"
    & skf18("6","6","2","4","9","9","1") = "8"
    & skf18("6","6","2","4","9","10","1") = "9"
    & skf18("6","6","2","4","10","1","1") = "9"
    & skf18("6","6","2","4","10","2","1") = "9"
    & skf18("6","6","2","4","10","3","1") = "9"
    & skf18("6","6","2","4","10","4","1") = "9"
    & skf18("6","6","2","4","10","5","1") = "9"
    & skf18("6","6","2","4","10","6","1") = "9"
    & skf18("6","6","2","4","10","7","1") = "9"
    & skf18("6","6","2","4","10","8","1") = "9"
    & skf18("6","6","2","4","10","9","1") = "9"
    & skf18("6","6","2","4","10","10","1") = "9"
    & skf18("6","6","2","5","1","1","1") = "5"
    & skf18("6","6","2","5","1","2","1") = "5"
    & skf18("6","6","2","5","1","3","1") = "5"
    & skf18("6","6","2","5","1","4","1") = "5"
    & skf18("6","6","2","5","1","5","1") = "5"
    & skf18("6","6","2","5","1","6","1") = "5"
    & skf18("6","6","2","5","1","7","1") = "6"
    & skf18("6","6","2","5","1","8","1") = "7"
    & skf18("6","6","2","5","1","9","1") = "8"
    & skf18("6","6","2","5","1","10","1") = "9"
    & skf18("6","6","2","5","2","1","1") = "5"
    & skf18("6","6","2","5","2","2","1") = "5"
    & skf18("6","6","2","5","2","3","1") = "5"
    & skf18("6","6","2","5","2","4","1") = "5"
    & skf18("6","6","2","5","2","5","1") = "5"
    & skf18("6","6","2","5","2","6","1") = "5"
    & skf18("6","6","2","5","2","7","1") = "6"
    & skf18("6","6","2","5","2","8","1") = "7"
    & skf18("6","6","2","5","2","9","1") = "8"
    & skf18("6","6","2","5","2","10","1") = "9"
    & skf18("6","6","2","5","3","1","1") = "5"
    & skf18("6","6","2","5","3","2","1") = "5"
    & skf18("6","6","2","5","3","3","1") = "5"
    & skf18("6","6","2","5","3","4","1") = "5"
    & skf18("6","6","2","5","3","5","1") = "5"
    & skf18("6","6","2","5","3","6","1") = "5"
    & skf18("6","6","2","5","3","7","1") = "6"
    & skf18("6","6","2","5","3","8","1") = "7"
    & skf18("6","6","2","5","3","9","1") = "8"
    & skf18("6","6","2","5","3","10","1") = "9"
    & skf18("6","6","2","5","4","1","1") = "5"
    & skf18("6","6","2","5","4","2","1") = "5"
    & skf18("6","6","2","5","4","3","1") = "5"
    & skf18("6","6","2","5","4","4","1") = "5"
    & skf18("6","6","2","5","4","5","1") = "5"
    & skf18("6","6","2","5","4","6","1") = "5"
    & skf18("6","6","2","5","4","7","1") = "6"
    & skf18("6","6","2","5","4","8","1") = "7"
    & skf18("6","6","2","5","4","9","1") = "8"
    & skf18("6","6","2","5","4","10","1") = "9"
    & skf18("6","6","2","5","5","1","1") = "5"
    & skf18("6","6","2","5","5","2","1") = "5"
    & skf18("6","6","2","5","5","3","1") = "5"
    & skf18("6","6","2","5","5","4","1") = "5"
    & skf18("6","6","2","5","5","5","1") = "5"
    & skf18("6","6","2","5","5","6","1") = "5"
    & skf18("6","6","2","5","5","7","1") = "6"
    & skf18("6","6","2","5","5","8","1") = "7"
    & skf18("6","6","2","5","5","9","1") = "8"
    & skf18("6","6","2","5","5","10","1") = "9"
    & skf18("6","6","2","5","6","1","1") = "5"
    & skf18("6","6","2","5","6","2","1") = "5"
    & skf18("6","6","2","5","6","3","1") = "5"
    & skf18("6","6","2","5","6","4","1") = "5"
    & skf18("6","6","2","5","6","5","1") = "5"
    & skf18("6","6","2","5","6","6","1") = "5"
    & skf18("6","6","2","5","6","7","1") = "6"
    & skf18("6","6","2","5","6","8","1") = "7"
    & skf18("6","6","2","5","6","9","1") = "8"
    & skf18("6","6","2","5","6","10","1") = "9"
    & skf18("6","6","2","5","7","1","1") = "6"
    & skf18("6","6","2","5","7","2","1") = "6"
    & skf18("6","6","2","5","7","3","1") = "6"
    & skf18("6","6","2","5","7","4","1") = "6"
    & skf18("6","6","2","5","7","5","1") = "6"
    & skf18("6","6","2","5","7","6","1") = "6"
    & skf18("6","6","2","5","7","7","1") = "6"
    & skf18("6","6","2","5","7","8","1") = "7"
    & skf18("6","6","2","5","7","9","1") = "8"
    & skf18("6","6","2","5","7","10","1") = "9"
    & skf18("6","6","2","5","8","1","1") = "7"
    & skf18("6","6","2","5","8","2","1") = "7"
    & skf18("6","6","2","5","8","3","1") = "7"
    & skf18("6","6","2","5","8","4","1") = "7"
    & skf18("6","6","2","5","8","5","1") = "7"
    & skf18("6","6","2","5","8","6","1") = "7"
    & skf18("6","6","2","5","8","7","1") = "7"
    & skf18("6","6","2","5","8","8","1") = "7"
    & skf18("6","6","2","5","8","9","1") = "8"
    & skf18("6","6","2","5","8","10","1") = "9"
    & skf18("6","6","2","5","9","1","1") = "8"
    & skf18("6","6","2","5","9","2","1") = "8"
    & skf18("6","6","2","5","9","3","1") = "8"
    & skf18("6","6","2","5","9","4","1") = "8"
    & skf18("6","6","2","5","9","5","1") = "8"
    & skf18("6","6","2","5","9","6","1") = "8"
    & skf18("6","6","2","5","9","7","1") = "8"
    & skf18("6","6","2","5","9","8","1") = "8"
    & skf18("6","6","2","5","9","9","1") = "8"
    & skf18("6","6","2","5","9","10","1") = "9"
    & skf18("6","6","2","5","10","1","1") = "9"
    & skf18("6","6","2","5","10","2","1") = "9"
    & skf18("6","6","2","5","10","3","1") = "9"
    & skf18("6","6","2","5","10","4","1") = "9"
    & skf18("6","6","2","5","10","5","1") = "9"
    & skf18("6","6","2","5","10","6","1") = "9"
    & skf18("6","6","2","5","10","7","1") = "9"
    & skf18("6","6","2","5","10","8","1") = "9"
    & skf18("6","6","2","5","10","9","1") = "9"
    & skf18("6","6","2","5","10","10","1") = "9"
    & skf18("6","6","2","6","1","1","1") = "5"
    & skf18("6","6","2","6","1","2","1") = "5"
    & skf18("6","6","2","6","1","3","1") = "5"
    & skf18("6","6","2","6","1","4","1") = "5"
    & skf18("6","6","2","6","1","5","1") = "5"
    & skf18("6","6","2","6","1","6","1") = "5"
    & skf18("6","6","2","6","1","7","1") = "6"
    & skf18("6","6","2","6","1","8","1") = "7"
    & skf18("6","6","2","6","1","9","1") = "8"
    & skf18("6","6","2","6","1","10","1") = "9"
    & skf18("6","6","2","6","2","1","1") = "5"
    & skf18("6","6","2","6","2","2","1") = "5"
    & skf18("6","6","2","6","2","3","1") = "5"
    & skf18("6","6","2","6","2","4","1") = "5"
    & skf18("6","6","2","6","2","5","1") = "5"
    & skf18("6","6","2","6","2","6","1") = "5"
    & skf18("6","6","2","6","2","7","1") = "6"
    & skf18("6","6","2","6","2","8","1") = "7"
    & skf18("6","6","2","6","2","9","1") = "8"
    & skf18("6","6","2","6","2","10","1") = "9"
    & skf18("6","6","2","6","3","1","1") = "5"
    & skf18("6","6","2","6","3","2","1") = "5"
    & skf18("6","6","2","6","3","3","1") = "5"
    & skf18("6","6","2","6","3","4","1") = "5"
    & skf18("6","6","2","6","3","5","1") = "5"
    & skf18("6","6","2","6","3","6","1") = "5"
    & skf18("6","6","2","6","3","7","1") = "6"
    & skf18("6","6","2","6","3","8","1") = "7"
    & skf18("6","6","2","6","3","9","1") = "8"
    & skf18("6","6","2","6","3","10","1") = "9"
    & skf18("6","6","2","6","4","1","1") = "5"
    & skf18("6","6","2","6","4","2","1") = "5"
    & skf18("6","6","2","6","4","3","1") = "5"
    & skf18("6","6","2","6","4","4","1") = "5"
    & skf18("6","6","2","6","4","5","1") = "5"
    & skf18("6","6","2","6","4","6","1") = "5"
    & skf18("6","6","2","6","4","7","1") = "6"
    & skf18("6","6","2","6","4","8","1") = "7"
    & skf18("6","6","2","6","4","9","1") = "8"
    & skf18("6","6","2","6","4","10","1") = "9"
    & skf18("6","6","2","6","5","1","1") = "5"
    & skf18("6","6","2","6","5","2","1") = "5"
    & skf18("6","6","2","6","5","3","1") = "5"
    & skf18("6","6","2","6","5","4","1") = "5"
    & skf18("6","6","2","6","5","5","1") = "5"
    & skf18("6","6","2","6","5","6","1") = "5"
    & skf18("6","6","2","6","5","7","1") = "6"
    & skf18("6","6","2","6","5","8","1") = "7"
    & skf18("6","6","2","6","5","9","1") = "8"
    & skf18("6","6","2","6","5","10","1") = "9"
    & skf18("6","6","2","6","6","1","1") = "5"
    & skf18("6","6","2","6","6","2","1") = "5"
    & skf18("6","6","2","6","6","3","1") = "5"
    & skf18("6","6","2","6","6","4","1") = "5"
    & skf18("6","6","2","6","6","5","1") = "5"
    & skf18("6","6","2","6","6","6","1") = "5"
    & skf18("6","6","2","6","6","7","1") = "6"
    & skf18("6","6","2","6","6","8","1") = "7"
    & skf18("6","6","2","6","6","9","1") = "8"
    & skf18("6","6","2","6","6","10","1") = "9"
    & skf18("6","6","2","6","7","1","1") = "6"
    & skf18("6","6","2","6","7","2","1") = "6"
    & skf18("6","6","2","6","7","3","1") = "6"
    & skf18("6","6","2","6","7","4","1") = "6"
    & skf18("6","6","2","6","7","5","1") = "6"
    & skf18("6","6","2","6","7","6","1") = "6"
    & skf18("6","6","2","6","7","7","1") = "6"
    & skf18("6","6","2","6","7","8","1") = "7"
    & skf18("6","6","2","6","7","9","1") = "8"
    & skf18("6","6","2","6","7","10","1") = "9"
    & skf18("6","6","2","6","8","1","1") = "7"
    & skf18("6","6","2","6","8","2","1") = "7"
    & skf18("6","6","2","6","8","3","1") = "7"
    & skf18("6","6","2","6","8","4","1") = "7"
    & skf18("6","6","2","6","8","5","1") = "7"
    & skf18("6","6","2","6","8","6","1") = "7"
    & skf18("6","6","2","6","8","7","1") = "7"
    & skf18("6","6","2","6","8","8","1") = "7"
    & skf18("6","6","2","6","8","9","1") = "8"
    & skf18("6","6","2","6","8","10","1") = "9"
    & skf18("6","6","2","6","9","1","1") = "8"
    & skf18("6","6","2","6","9","2","1") = "8"
    & skf18("6","6","2","6","9","3","1") = "8"
    & skf18("6","6","2","6","9","4","1") = "8"
    & skf18("6","6","2","6","9","5","1") = "8"
    & skf18("6","6","2","6","9","6","1") = "8"
    & skf18("6","6","2","6","9","7","1") = "8"
    & skf18("6","6","2","6","9","8","1") = "8"
    & skf18("6","6","2","6","9","9","1") = "8"
    & skf18("6","6","2","6","9","10","1") = "9"
    & skf18("6","6","2","6","10","1","1") = "9"
    & skf18("6","6","2","6","10","2","1") = "9"
    & skf18("6","6","2","6","10","3","1") = "9"
    & skf18("6","6","2","6","10","4","1") = "9"
    & skf18("6","6","2","6","10","5","1") = "9"
    & skf18("6","6","2","6","10","6","1") = "9"
    & skf18("6","6","2","6","10","7","1") = "9"
    & skf18("6","6","2","6","10","8","1") = "9"
    & skf18("6","6","2","6","10","9","1") = "9"
    & skf18("6","6","2","6","10","10","1") = "9"
    & skf18("6","6","2","7","1","1","1") = "6"
    & skf18("6","6","2","7","1","2","1") = "6"
    & skf18("6","6","2","7","1","3","1") = "6"
    & skf18("6","6","2","7","1","4","1") = "6"
    & skf18("6","6","2","7","1","5","1") = "6"
    & skf18("6","6","2","7","1","6","1") = "6"
    & skf18("6","6","2","7","1","7","1") = "6"
    & skf18("6","6","2","7","1","8","1") = "7"
    & skf18("6","6","2","7","1","9","1") = "8"
    & skf18("6","6","2","7","1","10","1") = "9"
    & skf18("6","6","2","7","2","1","1") = "6"
    & skf18("6","6","2","7","2","2","1") = "6"
    & skf18("6","6","2","7","2","3","1") = "6"
    & skf18("6","6","2","7","2","4","1") = "6"
    & skf18("6","6","2","7","2","5","1") = "6"
    & skf18("6","6","2","7","2","6","1") = "6"
    & skf18("6","6","2","7","2","7","1") = "6"
    & skf18("6","6","2","7","2","8","1") = "7"
    & skf18("6","6","2","7","2","9","1") = "8"
    & skf18("6","6","2","7","2","10","1") = "9"
    & skf18("6","6","2","7","3","1","1") = "6"
    & skf18("6","6","2","7","3","2","1") = "6"
    & skf18("6","6","2","7","3","3","1") = "6"
    & skf18("6","6","2","7","3","4","1") = "6"
    & skf18("6","6","2","7","3","5","1") = "6"
    & skf18("6","6","2","7","3","6","1") = "6"
    & skf18("6","6","2","7","3","7","1") = "6"
    & skf18("6","6","2","7","3","8","1") = "7"
    & skf18("6","6","2","7","3","9","1") = "8"
    & skf18("6","6","2","7","3","10","1") = "9"
    & skf18("6","6","2","7","4","1","1") = "6"
    & skf18("6","6","2","7","4","2","1") = "6"
    & skf18("6","6","2","7","4","3","1") = "6"
    & skf18("6","6","2","7","4","4","1") = "6"
    & skf18("6","6","2","7","4","5","1") = "6"
    & skf18("6","6","2","7","4","6","1") = "6"
    & skf18("6","6","2","7","4","7","1") = "6"
    & skf18("6","6","2","7","4","8","1") = "7"
    & skf18("6","6","2","7","4","9","1") = "8"
    & skf18("6","6","2","7","4","10","1") = "9"
    & skf18("6","6","2","7","5","1","1") = "6"
    & skf18("6","6","2","7","5","2","1") = "6"
    & skf18("6","6","2","7","5","3","1") = "6"
    & skf18("6","6","2","7","5","4","1") = "6"
    & skf18("6","6","2","7","5","5","1") = "6"
    & skf18("6","6","2","7","5","6","1") = "6"
    & skf18("6","6","2","7","5","7","1") = "6"
    & skf18("6","6","2","7","5","8","1") = "7"
    & skf18("6","6","2","7","5","9","1") = "8"
    & skf18("6","6","2","7","5","10","1") = "9"
    & skf18("6","6","2","7","6","1","1") = "6"
    & skf18("6","6","2","7","6","2","1") = "6"
    & skf18("6","6","2","7","6","3","1") = "6"
    & skf18("6","6","2","7","6","4","1") = "6"
    & skf18("6","6","2","7","6","5","1") = "6"
    & skf18("6","6","2","7","6","6","1") = "6"
    & skf18("6","6","2","7","6","7","1") = "6"
    & skf18("6","6","2","7","6","8","1") = "7"
    & skf18("6","6","2","7","6","9","1") = "8"
    & skf18("6","6","2","7","6","10","1") = "9"
    & skf18("6","6","2","7","7","1","1") = "6"
    & skf18("6","6","2","7","7","2","1") = "6"
    & skf18("6","6","2","7","7","3","1") = "6"
    & skf18("6","6","2","7","7","4","1") = "6"
    & skf18("6","6","2","7","7","5","1") = "6"
    & skf18("6","6","2","7","7","6","1") = "6"
    & skf18("6","6","2","7","7","7","1") = "6"
    & skf18("6","6","2","7","7","8","1") = "7"
    & skf18("6","6","2","7","7","9","1") = "8"
    & skf18("6","6","2","7","7","10","1") = "9"
    & skf18("6","6","2","7","8","1","1") = "7"
    & skf18("6","6","2","7","8","2","1") = "7"
    & skf18("6","6","2","7","8","3","1") = "7"
    & skf18("6","6","2","7","8","4","1") = "7"
    & skf18("6","6","2","7","8","5","1") = "7"
    & skf18("6","6","2","7","8","6","1") = "7"
    & skf18("6","6","2","7","8","7","1") = "7"
    & skf18("6","6","2","7","8","8","1") = "7"
    & skf18("6","6","2","7","8","9","1") = "8"
    & skf18("6","6","2","7","8","10","1") = "9"
    & skf18("6","6","2","7","9","1","1") = "8"
    & skf18("6","6","2","7","9","2","1") = "8"
    & skf18("6","6","2","7","9","3","1") = "8"
    & skf18("6","6","2","7","9","4","1") = "8"
    & skf18("6","6","2","7","9","5","1") = "8"
    & skf18("6","6","2","7","9","6","1") = "8"
    & skf18("6","6","2","7","9","7","1") = "8"
    & skf18("6","6","2","7","9","8","1") = "8"
    & skf18("6","6","2","7","9","9","1") = "8"
    & skf18("6","6","2","7","9","10","1") = "9"
    & skf18("6","6","2","7","10","1","1") = "9"
    & skf18("6","6","2","7","10","2","1") = "9"
    & skf18("6","6","2","7","10","3","1") = "9"
    & skf18("6","6","2","7","10","4","1") = "9"
    & skf18("6","6","2","7","10","5","1") = "9"
    & skf18("6","6","2","7","10","6","1") = "9"
    & skf18("6","6","2","7","10","7","1") = "9"
    & skf18("6","6","2","7","10","8","1") = "9"
    & skf18("6","6","2","7","10","9","1") = "9"
    & skf18("6","6","2","7","10","10","1") = "9"
    & skf18("6","6","2","8","1","1","1") = "7"
    & skf18("6","6","2","8","1","2","1") = "7"
    & skf18("6","6","2","8","1","3","1") = "7"
    & skf18("6","6","2","8","1","4","1") = "7"
    & skf18("6","6","2","8","1","5","1") = "7"
    & skf18("6","6","2","8","1","6","1") = "7"
    & skf18("6","6","2","8","1","7","1") = "7"
    & skf18("6","6","2","8","1","8","1") = "7"
    & skf18("6","6","2","8","1","9","1") = "8"
    & skf18("6","6","2","8","1","10","1") = "9"
    & skf18("6","6","2","8","2","1","1") = "7"
    & skf18("6","6","2","8","2","2","1") = "7"
    & skf18("6","6","2","8","2","3","1") = "7"
    & skf18("6","6","2","8","2","4","1") = "7"
    & skf18("6","6","2","8","2","5","1") = "7"
    & skf18("6","6","2","8","2","6","1") = "7"
    & skf18("6","6","2","8","2","7","1") = "7"
    & skf18("6","6","2","8","2","8","1") = "7"
    & skf18("6","6","2","8","2","9","1") = "8"
    & skf18("6","6","2","8","2","10","1") = "9"
    & skf18("6","6","2","8","3","1","1") = "7"
    & skf18("6","6","2","8","3","2","1") = "7"
    & skf18("6","6","2","8","3","3","1") = "7"
    & skf18("6","6","2","8","3","4","1") = "7"
    & skf18("6","6","2","8","3","5","1") = "7"
    & skf18("6","6","2","8","3","6","1") = "7"
    & skf18("6","6","2","8","3","7","1") = "7"
    & skf18("6","6","2","8","3","8","1") = "7"
    & skf18("6","6","2","8","3","9","1") = "8"
    & skf18("6","6","2","8","3","10","1") = "9"
    & skf18("6","6","2","8","4","1","1") = "7"
    & skf18("6","6","2","8","4","2","1") = "7"
    & skf18("6","6","2","8","4","3","1") = "7"
    & skf18("6","6","2","8","4","4","1") = "7"
    & skf18("6","6","2","8","4","5","1") = "7"
    & skf18("6","6","2","8","4","6","1") = "7"
    & skf18("6","6","2","8","4","7","1") = "7"
    & skf18("6","6","2","8","4","8","1") = "7"
    & skf18("6","6","2","8","4","9","1") = "8"
    & skf18("6","6","2","8","4","10","1") = "9"
    & skf18("6","6","2","8","5","1","1") = "7"
    & skf18("6","6","2","8","5","2","1") = "7"
    & skf18("6","6","2","8","5","3","1") = "7"
    & skf18("6","6","2","8","5","4","1") = "7"
    & skf18("6","6","2","8","5","5","1") = "7"
    & skf18("6","6","2","8","5","6","1") = "7"
    & skf18("6","6","2","8","5","7","1") = "7"
    & skf18("6","6","2","8","5","8","1") = "7"
    & skf18("6","6","2","8","5","9","1") = "8"
    & skf18("6","6","2","8","5","10","1") = "9"
    & skf18("6","6","2","8","6","1","1") = "7"
    & skf18("6","6","2","8","6","2","1") = "7"
    & skf18("6","6","2","8","6","3","1") = "7"
    & skf18("6","6","2","8","6","4","1") = "7"
    & skf18("6","6","2","8","6","5","1") = "7"
    & skf18("6","6","2","8","6","6","1") = "7"
    & skf18("6","6","2","8","6","7","1") = "7"
    & skf18("6","6","2","8","6","8","1") = "7"
    & skf18("6","6","2","8","6","9","1") = "8"
    & skf18("6","6","2","8","6","10","1") = "9"
    & skf18("6","6","2","8","7","1","1") = "7"
    & skf18("6","6","2","8","7","2","1") = "7"
    & skf18("6","6","2","8","7","3","1") = "7"
    & skf18("6","6","2","8","7","4","1") = "7"
    & skf18("6","6","2","8","7","5","1") = "7"
    & skf18("6","6","2","8","7","6","1") = "7"
    & skf18("6","6","2","8","7","7","1") = "7"
    & skf18("6","6","2","8","7","8","1") = "7"
    & skf18("6","6","2","8","7","9","1") = "8"
    & skf18("6","6","2","8","7","10","1") = "9"
    & skf18("6","6","2","8","8","1","1") = "7"
    & skf18("6","6","2","8","8","2","1") = "7"
    & skf18("6","6","2","8","8","3","1") = "7"
    & skf18("6","6","2","8","8","4","1") = "7"
    & skf18("6","6","2","8","8","5","1") = "7"
    & skf18("6","6","2","8","8","6","1") = "7"
    & skf18("6","6","2","8","8","7","1") = "7"
    & skf18("6","6","2","8","8","8","1") = "7"
    & skf18("6","6","2","8","8","9","1") = "8"
    & skf18("6","6","2","8","8","10","1") = "9"
    & skf18("6","6","2","8","9","1","1") = "8"
    & skf18("6","6","2","8","9","2","1") = "8"
    & skf18("6","6","2","8","9","3","1") = "8"
    & skf18("6","6","2","8","9","4","1") = "8"
    & skf18("6","6","2","8","9","5","1") = "8"
    & skf18("6","6","2","8","9","6","1") = "8"
    & skf18("6","6","2","8","9","7","1") = "8"
    & skf18("6","6","2","8","9","8","1") = "8"
    & skf18("6","6","2","8","9","9","1") = "8"
    & skf18("6","6","2","8","9","10","1") = "9"
    & skf18("6","6","2","8","10","1","1") = "9"
    & skf18("6","6","2","8","10","2","1") = "9"
    & skf18("6","6","2","8","10","3","1") = "9"
    & skf18("6","6","2","8","10","4","1") = "9"
    & skf18("6","6","2","8","10","5","1") = "9"
    & skf18("6","6","2","8","10","6","1") = "9"
    & skf18("6","6","2","8","10","7","1") = "9"
    & skf18("6","6","2","8","10","8","1") = "9"
    & skf18("6","6","2","8","10","9","1") = "9"
    & skf18("6","6","2","8","10","10","1") = "9"
    & skf18("6","6","2","9","1","1","1") = "8"
    & skf18("6","6","2","9","1","2","1") = "8"
    & skf18("6","6","2","9","1","3","1") = "8"
    & skf18("6","6","2","9","1","4","1") = "8"
    & skf18("6","6","2","9","1","5","1") = "8"
    & skf18("6","6","2","9","1","6","1") = "8"
    & skf18("6","6","2","9","1","7","1") = "8"
    & skf18("6","6","2","9","1","8","1") = "8"
    & skf18("6","6","2","9","1","9","1") = "8"
    & skf18("6","6","2","9","1","10","1") = "9"
    & skf18("6","6","2","9","2","1","1") = "8"
    & skf18("6","6","2","9","2","2","1") = "8"
    & skf18("6","6","2","9","2","3","1") = "8"
    & skf18("6","6","2","9","2","4","1") = "8"
    & skf18("6","6","2","9","2","5","1") = "8"
    & skf18("6","6","2","9","2","6","1") = "8"
    & skf18("6","6","2","9","2","7","1") = "8"
    & skf18("6","6","2","9","2","8","1") = "8"
    & skf18("6","6","2","9","2","9","1") = "8"
    & skf18("6","6","2","9","2","10","1") = "9"
    & skf18("6","6","2","9","3","1","1") = "8"
    & skf18("6","6","2","9","3","2","1") = "8"
    & skf18("6","6","2","9","3","3","1") = "8"
    & skf18("6","6","2","9","3","4","1") = "8"
    & skf18("6","6","2","9","3","5","1") = "8"
    & skf18("6","6","2","9","3","6","1") = "8"
    & skf18("6","6","2","9","3","7","1") = "8"
    & skf18("6","6","2","9","3","8","1") = "8"
    & skf18("6","6","2","9","3","9","1") = "8"
    & skf18("6","6","2","9","3","10","1") = "9"
    & skf18("6","6","2","9","4","1","1") = "8"
    & skf18("6","6","2","9","4","2","1") = "8"
    & skf18("6","6","2","9","4","3","1") = "8"
    & skf18("6","6","2","9","4","4","1") = "8"
    & skf18("6","6","2","9","4","5","1") = "8"
    & skf18("6","6","2","9","4","6","1") = "8"
    & skf18("6","6","2","9","4","7","1") = "8"
    & skf18("6","6","2","9","4","8","1") = "8"
    & skf18("6","6","2","9","4","9","1") = "8"
    & skf18("6","6","2","9","4","10","1") = "9"
    & skf18("6","6","2","9","5","1","1") = "8"
    & skf18("6","6","2","9","5","2","1") = "8"
    & skf18("6","6","2","9","5","3","1") = "8"
    & skf18("6","6","2","9","5","4","1") = "8"
    & skf18("6","6","2","9","5","5","1") = "8"
    & skf18("6","6","2","9","5","6","1") = "8"
    & skf18("6","6","2","9","5","7","1") = "8"
    & skf18("6","6","2","9","5","8","1") = "8"
    & skf18("6","6","2","9","5","9","1") = "8"
    & skf18("6","6","2","9","5","10","1") = "9"
    & skf18("6","6","2","9","6","1","1") = "8"
    & skf18("6","6","2","9","6","2","1") = "8"
    & skf18("6","6","2","9","6","3","1") = "8"
    & skf18("6","6","2","9","6","4","1") = "8"
    & skf18("6","6","2","9","6","5","1") = "8"
    & skf18("6","6","2","9","6","6","1") = "8"
    & skf18("6","6","2","9","6","7","1") = "8"
    & skf18("6","6","2","9","6","8","1") = "8"
    & skf18("6","6","2","9","6","9","1") = "8"
    & skf18("6","6","2","9","6","10","1") = "9"
    & skf18("6","6","2","9","7","1","1") = "8"
    & skf18("6","6","2","9","7","2","1") = "8"
    & skf18("6","6","2","9","7","3","1") = "8"
    & skf18("6","6","2","9","7","4","1") = "8"
    & skf18("6","6","2","9","7","5","1") = "8"
    & skf18("6","6","2","9","7","6","1") = "8"
    & skf18("6","6","2","9","7","7","1") = "8"
    & skf18("6","6","2","9","7","8","1") = "8"
    & skf18("6","6","2","9","7","9","1") = "8"
    & skf18("6","6","2","9","7","10","1") = "9"
    & skf18("6","6","2","9","8","1","1") = "8"
    & skf18("6","6","2","9","8","2","1") = "8"
    & skf18("6","6","2","9","8","3","1") = "8"
    & skf18("6","6","2","9","8","4","1") = "8"
    & skf18("6","6","2","9","8","5","1") = "8"
    & skf18("6","6","2","9","8","6","1") = "8"
    & skf18("6","6","2","9","8","7","1") = "8"
    & skf18("6","6","2","9","8","8","1") = "8"
    & skf18("6","6","2","9","8","9","1") = "8"
    & skf18("6","6","2","9","8","10","1") = "9"
    & skf18("6","6","2","9","9","1","1") = "8"
    & skf18("6","6","2","9","9","2","1") = "8"
    & skf18("6","6","2","9","9","3","1") = "8"
    & skf18("6","6","2","9","9","4","1") = "8"
    & skf18("6","6","2","9","9","5","1") = "8"
    & skf18("6","6","2","9","9","6","1") = "8"
    & skf18("6","6","2","9","9","7","1") = "8"
    & skf18("6","6","2","9","9","8","1") = "8"
    & skf18("6","6","2","9","9","9","1") = "8"
    & skf18("6","6","2","9","9","10","1") = "9"
    & skf18("6","6","2","9","10","1","1") = "9"
    & skf18("6","6","2","9","10","2","1") = "9"
    & skf18("6","6","2","9","10","3","1") = "9"
    & skf18("6","6","2","9","10","4","1") = "9"
    & skf18("6","6","2","9","10","5","1") = "9"
    & skf18("6","6","2","9","10","6","1") = "9"
    & skf18("6","6","2","9","10","7","1") = "9"
    & skf18("6","6","2","9","10","8","1") = "9"
    & skf18("6","6","2","9","10","9","1") = "9"
    & skf18("6","6","2","9","10","10","1") = "9"
    & skf18("6","6","2","10","1","1","1") = "9"
    & skf18("6","6","2","10","1","2","1") = "9"
    & skf18("6","6","2","10","1","3","1") = "9"
    & skf18("6","6","2","10","1","4","1") = "9"
    & skf18("6","6","2","10","1","5","1") = "9"
    & skf18("6","6","2","10","1","6","1") = "9"
    & skf18("6","6","2","10","1","7","1") = "9"
    & skf18("6","6","2","10","1","8","1") = "9"
    & skf18("6","6","2","10","1","9","1") = "9"
    & skf18("6","6","2","10","1","10","1") = "9"
    & skf18("6","6","2","10","2","1","1") = "9"
    & skf18("6","6","2","10","2","2","1") = "9"
    & skf18("6","6","2","10","2","3","1") = "9"
    & skf18("6","6","2","10","2","4","1") = "9"
    & skf18("6","6","2","10","2","5","1") = "9"
    & skf18("6","6","2","10","2","6","1") = "9"
    & skf18("6","6","2","10","2","7","1") = "9"
    & skf18("6","6","2","10","2","8","1") = "9"
    & skf18("6","6","2","10","2","9","1") = "9"
    & skf18("6","6","2","10","2","10","1") = "9"
    & skf18("6","6","2","10","3","1","1") = "9"
    & skf18("6","6","2","10","3","2","1") = "9"
    & skf18("6","6","2","10","3","3","1") = "9"
    & skf18("6","6","2","10","3","4","1") = "9"
    & skf18("6","6","2","10","3","5","1") = "9"
    & skf18("6","6","2","10","3","6","1") = "9"
    & skf18("6","6","2","10","3","7","1") = "9"
    & skf18("6","6","2","10","3","8","1") = "9"
    & skf18("6","6","2","10","3","9","1") = "9"
    & skf18("6","6","2","10","3","10","1") = "9"
    & skf18("6","6","2","10","4","1","1") = "9"
    & skf18("6","6","2","10","4","2","1") = "9"
    & skf18("6","6","2","10","4","3","1") = "9"
    & skf18("6","6","2","10","4","4","1") = "9"
    & skf18("6","6","2","10","4","5","1") = "9"
    & skf18("6","6","2","10","4","6","1") = "9"
    & skf18("6","6","2","10","4","7","1") = "9"
    & skf18("6","6","2","10","4","8","1") = "9"
    & skf18("6","6","2","10","4","9","1") = "9"
    & skf18("6","6","2","10","4","10","1") = "9"
    & skf18("6","6","2","10","5","1","1") = "9"
    & skf18("6","6","2","10","5","2","1") = "9"
    & skf18("6","6","2","10","5","3","1") = "9"
    & skf18("6","6","2","10","5","4","1") = "9"
    & skf18("6","6","2","10","5","5","1") = "9"
    & skf18("6","6","2","10","5","6","1") = "9"
    & skf18("6","6","2","10","5","7","1") = "9"
    & skf18("6","6","2","10","5","8","1") = "9"
    & skf18("6","6","2","10","5","9","1") = "9"
    & skf18("6","6","2","10","5","10","1") = "9"
    & skf18("6","6","2","10","6","1","1") = "9"
    & skf18("6","6","2","10","6","2","1") = "9"
    & skf18("6","6","2","10","6","3","1") = "9"
    & skf18("6","6","2","10","6","4","1") = "9"
    & skf18("6","6","2","10","6","5","1") = "9"
    & skf18("6","6","2","10","6","6","1") = "9"
    & skf18("6","6","2","10","6","7","1") = "9"
    & skf18("6","6","2","10","6","8","1") = "9"
    & skf18("6","6","2","10","6","9","1") = "9"
    & skf18("6","6","2","10","6","10","1") = "9"
    & skf18("6","6","2","10","7","1","1") = "9"
    & skf18("6","6","2","10","7","2","1") = "9"
    & skf18("6","6","2","10","7","3","1") = "9"
    & skf18("6","6","2","10","7","4","1") = "9"
    & skf18("6","6","2","10","7","5","1") = "9"
    & skf18("6","6","2","10","7","6","1") = "9"
    & skf18("6","6","2","10","7","7","1") = "9"
    & skf18("6","6","2","10","7","8","1") = "9"
    & skf18("6","6","2","10","7","9","1") = "9"
    & skf18("6","6","2","10","7","10","1") = "9"
    & skf18("6","6","2","10","8","1","1") = "9"
    & skf18("6","6","2","10","8","2","1") = "9"
    & skf18("6","6","2","10","8","3","1") = "9"
    & skf18("6","6","2","10","8","4","1") = "9"
    & skf18("6","6","2","10","8","5","1") = "9"
    & skf18("6","6","2","10","8","6","1") = "9"
    & skf18("6","6","2","10","8","7","1") = "9"
    & skf18("6","6","2","10","8","8","1") = "9"
    & skf18("6","6","2","10","8","9","1") = "9"
    & skf18("6","6","2","10","8","10","1") = "9"
    & skf18("6","6","2","10","9","1","1") = "9"
    & skf18("6","6","2","10","9","2","1") = "9"
    & skf18("6","6","2","10","9","3","1") = "9"
    & skf18("6","6","2","10","9","4","1") = "9"
    & skf18("6","6","2","10","9","5","1") = "9"
    & skf18("6","6","2","10","9","6","1") = "9"
    & skf18("6","6","2","10","9","7","1") = "9"
    & skf18("6","6","2","10","9","8","1") = "9"
    & skf18("6","6","2","10","9","9","1") = "9"
    & skf18("6","6","2","10","9","10","1") = "9"
    & skf18("6","6","2","10","10","1","1") = "9"
    & skf18("6","6","2","10","10","2","1") = "9"
    & skf18("6","6","2","10","10","3","1") = "9"
    & skf18("6","6","2","10","10","4","1") = "9"
    & skf18("6","6","2","10","10","5","1") = "9"
    & skf18("6","6","2","10","10","6","1") = "9"
    & skf18("6","6","2","10","10","7","1") = "9"
    & skf18("6","6","2","10","10","8","1") = "9"
    & skf18("6","6","2","10","10","9","1") = "9"
    & skf18("6","6","2","10","10","10","1") = "9"
    & skf18("6","6","3","1","1","1","1") = "5"
    & skf18("6","6","3","1","1","2","1") = "5"
    & skf18("6","6","3","1","1","3","1") = "5"
    & skf18("6","6","3","1","1","4","1") = "5"
    & skf18("6","6","3","1","1","5","1") = "5"
    & skf18("6","6","3","1","1","6","1") = "5"
    & skf18("6","6","3","1","1","7","1") = "6"
    & skf18("6","6","3","1","1","8","1") = "7"
    & skf18("6","6","3","1","1","9","1") = "8"
    & skf18("6","6","3","1","1","10","1") = "9"
    & skf18("6","6","3","1","2","1","1") = "5"
    & skf18("6","6","3","1","2","2","1") = "5"
    & skf18("6","6","3","1","2","3","1") = "5"
    & skf18("6","6","3","1","2","4","1") = "5"
    & skf18("6","6","3","1","2","5","1") = "5"
    & skf18("6","6","3","1","2","6","1") = "5"
    & skf18("6","6","3","1","2","7","1") = "6"
    & skf18("6","6","3","1","2","8","1") = "7"
    & skf18("6","6","3","1","2","9","1") = "8"
    & skf18("6","6","3","1","2","10","1") = "9"
    & skf18("6","6","3","1","3","1","1") = "5"
    & skf18("6","6","3","1","3","2","1") = "5"
    & skf18("6","6","3","1","3","3","1") = "5"
    & skf18("6","6","3","1","3","4","1") = "5"
    & skf18("6","6","3","1","3","5","1") = "5"
    & skf18("6","6","3","1","3","6","1") = "5"
    & skf18("6","6","3","1","3","7","1") = "6"
    & skf18("6","6","3","1","3","8","1") = "7"
    & skf18("6","6","3","1","3","9","1") = "8"
    & skf18("6","6","3","1","3","10","1") = "9"
    & skf18("6","6","3","1","4","1","1") = "5"
    & skf18("6","6","3","1","4","2","1") = "5"
    & skf18("6","6","3","1","4","3","1") = "5"
    & skf18("6","6","3","1","4","4","1") = "5"
    & skf18("6","6","3","1","4","5","1") = "5"
    & skf18("6","6","3","1","4","6","1") = "5"
    & skf18("6","6","3","1","4","7","1") = "6"
    & skf18("6","6","3","1","4","8","1") = "7"
    & skf18("6","6","3","1","4","9","1") = "8"
    & skf18("6","6","3","1","4","10","1") = "9"
    & skf18("6","6","3","1","5","1","1") = "5"
    & skf18("6","6","3","1","5","2","1") = "5"
    & skf18("6","6","3","1","5","3","1") = "5"
    & skf18("6","6","3","1","5","4","1") = "5"
    & skf18("6","6","3","1","5","5","1") = "5"
    & skf18("6","6","3","1","5","6","1") = "5"
    & skf18("6","6","3","1","5","7","1") = "6"
    & skf18("6","6","3","1","5","8","1") = "7"
    & skf18("6","6","3","1","5","9","1") = "8"
    & skf18("6","6","3","1","5","10","1") = "9"
    & skf18("6","6","3","1","6","1","1") = "5"
    & skf18("6","6","3","1","6","2","1") = "5"
    & skf18("6","6","3","1","6","3","1") = "5"
    & skf18("6","6","3","1","6","4","1") = "5"
    & skf18("6","6","3","1","6","5","1") = "5"
    & skf18("6","6","3","1","6","6","1") = "5"
    & skf18("6","6","3","1","6","7","1") = "6"
    & skf18("6","6","3","1","6","8","1") = "7"
    & skf18("6","6","3","1","6","9","1") = "8"
    & skf18("6","6","3","1","6","10","1") = "9"
    & skf18("6","6","3","1","7","1","1") = "6"
    & skf18("6","6","3","1","7","2","1") = "6"
    & skf18("6","6","3","1","7","3","1") = "6"
    & skf18("6","6","3","1","7","4","1") = "6"
    & skf18("6","6","3","1","7","5","1") = "6"
    & skf18("6","6","3","1","7","6","1") = "6"
    & skf18("6","6","3","1","7","7","1") = "6"
    & skf18("6","6","3","1","7","8","1") = "7"
    & skf18("6","6","3","1","7","9","1") = "8"
    & skf18("6","6","3","1","7","10","1") = "9"
    & skf18("6","6","3","1","8","1","1") = "7"
    & skf18("6","6","3","1","8","2","1") = "7"
    & skf18("6","6","3","1","8","3","1") = "7"
    & skf18("6","6","3","1","8","4","1") = "7"
    & skf18("6","6","3","1","8","5","1") = "7"
    & skf18("6","6","3","1","8","6","1") = "7"
    & skf18("6","6","3","1","8","7","1") = "7"
    & skf18("6","6","3","1","8","8","1") = "7"
    & skf18("6","6","3","1","8","9","1") = "8"
    & skf18("6","6","3","1","8","10","1") = "9"
    & skf18("6","6","3","1","9","1","1") = "8"
    & skf18("6","6","3","1","9","2","1") = "8"
    & skf18("6","6","3","1","9","3","1") = "8"
    & skf18("6","6","3","1","9","4","1") = "8"
    & skf18("6","6","3","1","9","5","1") = "8"
    & skf18("6","6","3","1","9","6","1") = "8"
    & skf18("6","6","3","1","9","7","1") = "8"
    & skf18("6","6","3","1","9","8","1") = "8"
    & skf18("6","6","3","1","9","9","1") = "8"
    & skf18("6","6","3","1","9","10","1") = "9"
    & skf18("6","6","3","1","10","1","1") = "9"
    & skf18("6","6","3","1","10","2","1") = "9"
    & skf18("6","6","3","1","10","3","1") = "9"
    & skf18("6","6","3","1","10","4","1") = "9"
    & skf18("6","6","3","1","10","5","1") = "9"
    & skf18("6","6","3","1","10","6","1") = "9"
    & skf18("6","6","3","1","10","7","1") = "9"
    & skf18("6","6","3","1","10","8","1") = "9"
    & skf18("6","6","3","1","10","9","1") = "9"
    & skf18("6","6","3","1","10","10","1") = "9"
    & skf18("6","6","3","2","1","1","1") = "5"
    & skf18("6","6","3","2","1","2","1") = "5"
    & skf18("6","6","3","2","1","3","1") = "5"
    & skf18("6","6","3","2","1","4","1") = "5"
    & skf18("6","6","3","2","1","5","1") = "5"
    & skf18("6","6","3","2","1","6","1") = "5"
    & skf18("6","6","3","2","1","7","1") = "6"
    & skf18("6","6","3","2","1","8","1") = "7"
    & skf18("6","6","3","2","1","9","1") = "8"
    & skf18("6","6","3","2","1","10","1") = "9"
    & skf18("6","6","3","2","2","1","1") = "5"
    & skf18("6","6","3","2","2","2","1") = "5"
    & skf18("6","6","3","2","2","3","1") = "5"
    & skf18("6","6","3","2","2","4","1") = "5"
    & skf18("6","6","3","2","2","5","1") = "5"
    & skf18("6","6","3","2","2","6","1") = "5"
    & skf18("6","6","3","2","2","7","1") = "6"
    & skf18("6","6","3","2","2","8","1") = "7"
    & skf18("6","6","3","2","2","9","1") = "8"
    & skf18("6","6","3","2","2","10","1") = "9"
    & skf18("6","6","3","2","3","1","1") = "5"
    & skf18("6","6","3","2","3","2","1") = "5"
    & skf18("6","6","3","2","3","3","1") = "5"
    & skf18("6","6","3","2","3","4","1") = "5"
    & skf18("6","6","3","2","3","5","1") = "5"
    & skf18("6","6","3","2","3","6","1") = "5"
    & skf18("6","6","3","2","3","7","1") = "6"
    & skf18("6","6","3","2","3","8","1") = "7"
    & skf18("6","6","3","2","3","9","1") = "8"
    & skf18("6","6","3","2","3","10","1") = "9"
    & skf18("6","6","3","2","4","1","1") = "5"
    & skf18("6","6","3","2","4","2","1") = "5"
    & skf18("6","6","3","2","4","3","1") = "5"
    & skf18("6","6","3","2","4","4","1") = "5"
    & skf18("6","6","3","2","4","5","1") = "5"
    & skf18("6","6","3","2","4","6","1") = "5"
    & skf18("6","6","3","2","4","7","1") = "6"
    & skf18("6","6","3","2","4","8","1") = "7"
    & skf18("6","6","3","2","4","9","1") = "8"
    & skf18("6","6","3","2","4","10","1") = "9"
    & skf18("6","6","3","2","5","1","1") = "5"
    & skf18("6","6","3","2","5","2","1") = "5"
    & skf18("6","6","3","2","5","3","1") = "5"
    & skf18("6","6","3","2","5","4","1") = "5"
    & skf18("6","6","3","2","5","5","1") = "5"
    & skf18("6","6","3","2","5","6","1") = "5"
    & skf18("6","6","3","2","5","7","1") = "6"
    & skf18("6","6","3","2","5","8","1") = "7"
    & skf18("6","6","3","2","5","9","1") = "8"
    & skf18("6","6","3","2","5","10","1") = "9"
    & skf18("6","6","3","2","6","1","1") = "5"
    & skf18("6","6","3","2","6","2","1") = "5"
    & skf18("6","6","3","2","6","3","1") = "5"
    & skf18("6","6","3","2","6","4","1") = "5"
    & skf18("6","6","3","2","6","5","1") = "5"
    & skf18("6","6","3","2","6","6","1") = "5"
    & skf18("6","6","3","2","6","7","1") = "6"
    & skf18("6","6","3","2","6","8","1") = "7"
    & skf18("6","6","3","2","6","9","1") = "8"
    & skf18("6","6","3","2","6","10","1") = "9"
    & skf18("6","6","3","2","7","1","1") = "6"
    & skf18("6","6","3","2","7","2","1") = "6"
    & skf18("6","6","3","2","7","3","1") = "6"
    & skf18("6","6","3","2","7","4","1") = "6"
    & skf18("6","6","3","2","7","5","1") = "6"
    & skf18("6","6","3","2","7","6","1") = "6"
    & skf18("6","6","3","2","7","7","1") = "6"
    & skf18("6","6","3","2","7","8","1") = "7"
    & skf18("6","6","3","2","7","9","1") = "8"
    & skf18("6","6","3","2","7","10","1") = "9"
    & skf18("6","6","3","2","8","1","1") = "7"
    & skf18("6","6","3","2","8","2","1") = "7"
    & skf18("6","6","3","2","8","3","1") = "7"
    & skf18("6","6","3","2","8","4","1") = "7"
    & skf18("6","6","3","2","8","5","1") = "7"
    & skf18("6","6","3","2","8","6","1") = "7"
    & skf18("6","6","3","2","8","7","1") = "7"
    & skf18("6","6","3","2","8","8","1") = "7"
    & skf18("6","6","3","2","8","9","1") = "8"
    & skf18("6","6","3","2","8","10","1") = "9"
    & skf18("6","6","3","2","9","1","1") = "8"
    & skf18("6","6","3","2","9","2","1") = "8"
    & skf18("6","6","3","2","9","3","1") = "8"
    & skf18("6","6","3","2","9","4","1") = "8"
    & skf18("6","6","3","2","9","5","1") = "8"
    & skf18("6","6","3","2","9","6","1") = "8"
    & skf18("6","6","3","2","9","7","1") = "8"
    & skf18("6","6","3","2","9","8","1") = "8"
    & skf18("6","6","3","2","9","9","1") = "8"
    & skf18("6","6","3","2","9","10","1") = "9"
    & skf18("6","6","3","2","10","1","1") = "9"
    & skf18("6","6","3","2","10","2","1") = "9"
    & skf18("6","6","3","2","10","3","1") = "9"
    & skf18("6","6","3","2","10","4","1") = "9"
    & skf18("6","6","3","2","10","5","1") = "9"
    & skf18("6","6","3","2","10","6","1") = "9"
    & skf18("6","6","3","2","10","7","1") = "9"
    & skf18("6","6","3","2","10","8","1") = "9"
    & skf18("6","6","3","2","10","9","1") = "9"
    & skf18("6","6","3","2","10","10","1") = "9"
    & skf18("6","6","3","3","1","1","1") = "5"
    & skf18("6","6","3","3","1","2","1") = "5"
    & skf18("6","6","3","3","1","3","1") = "5"
    & skf18("6","6","3","3","1","4","1") = "5"
    & skf18("6","6","3","3","1","5","1") = "5"
    & skf18("6","6","3","3","1","6","1") = "5"
    & skf18("6","6","3","3","1","7","1") = "6"
    & skf18("6","6","3","3","1","8","1") = "7"
    & skf18("6","6","3","3","1","9","1") = "8"
    & skf18("6","6","3","3","1","10","1") = "9"
    & skf18("6","6","3","3","2","1","1") = "5"
    & skf18("6","6","3","3","2","2","1") = "5"
    & skf18("6","6","3","3","2","3","1") = "5"
    & skf18("6","6","3","3","2","4","1") = "5"
    & skf18("6","6","3","3","2","5","1") = "5"
    & skf18("6","6","3","3","2","6","1") = "5"
    & skf18("6","6","3","3","2","7","1") = "6"
    & skf18("6","6","3","3","2","8","1") = "7"
    & skf18("6","6","3","3","2","9","1") = "8"
    & skf18("6","6","3","3","2","10","1") = "9"
    & skf18("6","6","3","3","3","1","1") = "5"
    & skf18("6","6","3","3","3","2","1") = "5"
    & skf18("6","6","3","3","3","3","1") = "5"
    & skf18("6","6","3","3","3","4","1") = "5"
    & skf18("6","6","3","3","3","5","1") = "5"
    & skf18("6","6","3","3","3","6","1") = "5"
    & skf18("6","6","3","3","3","7","1") = "6"
    & skf18("6","6","3","3","3","8","1") = "7"
    & skf18("6","6","3","3","3","9","1") = "8"
    & skf18("6","6","3","3","3","10","1") = "9"
    & skf18("6","6","3","3","4","1","1") = "5"
    & skf18("6","6","3","3","4","2","1") = "5"
    & skf18("6","6","3","3","4","3","1") = "5"
    & skf18("6","6","3","3","4","4","1") = "5"
    & skf18("6","6","3","3","4","5","1") = "5"
    & skf18("6","6","3","3","4","6","1") = "5"
    & skf18("6","6","3","3","4","7","1") = "6"
    & skf18("6","6","3","3","4","8","1") = "7"
    & skf18("6","6","3","3","4","9","1") = "8"
    & skf18("6","6","3","3","4","10","1") = "9"
    & skf18("6","6","3","3","5","1","1") = "5"
    & skf18("6","6","3","3","5","2","1") = "5"
    & skf18("6","6","3","3","5","3","1") = "5"
    & skf18("6","6","3","3","5","4","1") = "5"
    & skf18("6","6","3","3","5","5","1") = "5"
    & skf18("6","6","3","3","5","6","1") = "5"
    & skf18("6","6","3","3","5","7","1") = "6"
    & skf18("6","6","3","3","5","8","1") = "7"
    & skf18("6","6","3","3","5","9","1") = "8"
    & skf18("6","6","3","3","5","10","1") = "9"
    & skf18("6","6","3","3","6","1","1") = "5"
    & skf18("6","6","3","3","6","2","1") = "5"
    & skf18("6","6","3","3","6","3","1") = "5"
    & skf18("6","6","3","3","6","4","1") = "5"
    & skf18("6","6","3","3","6","5","1") = "5"
    & skf18("6","6","3","3","6","6","1") = "5"
    & skf18("6","6","3","3","6","7","1") = "6"
    & skf18("6","6","3","3","6","8","1") = "7"
    & skf18("6","6","3","3","6","9","1") = "8"
    & skf18("6","6","3","3","6","10","1") = "9"
    & skf18("6","6","3","3","7","1","1") = "6"
    & skf18("6","6","3","3","7","2","1") = "6"
    & skf18("6","6","3","3","7","3","1") = "6"
    & skf18("6","6","3","3","7","4","1") = "6"
    & skf18("6","6","3","3","7","5","1") = "6"
    & skf18("6","6","3","3","7","6","1") = "6"
    & skf18("6","6","3","3","7","7","1") = "6"
    & skf18("6","6","3","3","7","8","1") = "7"
    & skf18("6","6","3","3","7","9","1") = "8"
    & skf18("6","6","3","3","7","10","1") = "9"
    & skf18("6","6","3","3","8","1","1") = "7"
    & skf18("6","6","3","3","8","2","1") = "7"
    & skf18("6","6","3","3","8","3","1") = "7"
    & skf18("6","6","3","3","8","4","1") = "7"
    & skf18("6","6","3","3","8","5","1") = "7"
    & skf18("6","6","3","3","8","6","1") = "7"
    & skf18("6","6","3","3","8","7","1") = "7"
    & skf18("6","6","3","3","8","8","1") = "7"
    & skf18("6","6","3","3","8","9","1") = "8"
    & skf18("6","6","3","3","8","10","1") = "9"
    & skf18("6","6","3","3","9","1","1") = "8"
    & skf18("6","6","3","3","9","2","1") = "8"
    & skf18("6","6","3","3","9","3","1") = "8"
    & skf18("6","6","3","3","9","4","1") = "8"
    & skf18("6","6","3","3","9","5","1") = "8"
    & skf18("6","6","3","3","9","6","1") = "8"
    & skf18("6","6","3","3","9","7","1") = "8"
    & skf18("6","6","3","3","9","8","1") = "8"
    & skf18("6","6","3","3","9","9","1") = "8"
    & skf18("6","6","3","3","9","10","1") = "9"
    & skf18("6","6","3","3","10","1","1") = "9"
    & skf18("6","6","3","3","10","2","1") = "9"
    & skf18("6","6","3","3","10","3","1") = "9"
    & skf18("6","6","3","3","10","4","1") = "9"
    & skf18("6","6","3","3","10","5","1") = "9"
    & skf18("6","6","3","3","10","6","1") = "9"
    & skf18("6","6","3","3","10","7","1") = "9"
    & skf18("6","6","3","3","10","8","1") = "9"
    & skf18("6","6","3","3","10","9","1") = "9"
    & skf18("6","6","3","3","10","10","1") = "9"
    & skf18("6","6","3","4","1","1","1") = "5"
    & skf18("6","6","3","4","1","2","1") = "5"
    & skf18("6","6","3","4","1","3","1") = "5"
    & skf18("6","6","3","4","1","4","1") = "5"
    & skf18("6","6","3","4","1","5","1") = "5"
    & skf18("6","6","3","4","1","6","1") = "5"
    & skf18("6","6","3","4","1","7","1") = "6"
    & skf18("6","6","3","4","1","8","1") = "7"
    & skf18("6","6","3","4","1","9","1") = "8"
    & skf18("6","6","3","4","1","10","1") = "9"
    & skf18("6","6","3","4","2","1","1") = "5"
    & skf18("6","6","3","4","2","2","1") = "5"
    & skf18("6","6","3","4","2","3","1") = "5"
    & skf18("6","6","3","4","2","4","1") = "5"
    & skf18("6","6","3","4","2","5","1") = "5"
    & skf18("6","6","3","4","2","6","1") = "5"
    & skf18("6","6","3","4","2","7","1") = "6"
    & skf18("6","6","3","4","2","8","1") = "7"
    & skf18("6","6","3","4","2","9","1") = "8"
    & skf18("6","6","3","4","2","10","1") = "9"
    & skf18("6","6","3","4","3","1","1") = "5"
    & skf18("6","6","3","4","3","2","1") = "5"
    & skf18("6","6","3","4","3","3","1") = "5"
    & skf18("6","6","3","4","3","4","1") = "5"
    & skf18("6","6","3","4","3","5","1") = "5"
    & skf18("6","6","3","4","3","6","1") = "5"
    & skf18("6","6","3","4","3","7","1") = "6"
    & skf18("6","6","3","4","3","8","1") = "7"
    & skf18("6","6","3","4","3","9","1") = "8"
    & skf18("6","6","3","4","3","10","1") = "9"
    & skf18("6","6","3","4","4","1","1") = "5"
    & skf18("6","6","3","4","4","2","1") = "5"
    & skf18("6","6","3","4","4","3","1") = "5"
    & skf18("6","6","3","4","4","4","1") = "5"
    & skf18("6","6","3","4","4","5","1") = "5"
    & skf18("6","6","3","4","4","6","1") = "5"
    & skf18("6","6","3","4","4","7","1") = "6"
    & skf18("6","6","3","4","4","8","1") = "7"
    & skf18("6","6","3","4","4","9","1") = "8"
    & skf18("6","6","3","4","4","10","1") = "9"
    & skf18("6","6","3","4","5","1","1") = "5"
    & skf18("6","6","3","4","5","2","1") = "5"
    & skf18("6","6","3","4","5","3","1") = "5"
    & skf18("6","6","3","4","5","4","1") = "5"
    & skf18("6","6","3","4","5","5","1") = "5"
    & skf18("6","6","3","4","5","6","1") = "5"
    & skf18("6","6","3","4","5","7","1") = "6"
    & skf18("6","6","3","4","5","8","1") = "7"
    & skf18("6","6","3","4","5","9","1") = "8"
    & skf18("6","6","3","4","5","10","1") = "9"
    & skf18("6","6","3","4","6","1","1") = "5"
    & skf18("6","6","3","4","6","2","1") = "5"
    & skf18("6","6","3","4","6","3","1") = "5"
    & skf18("6","6","3","4","6","4","1") = "5"
    & skf18("6","6","3","4","6","5","1") = "5"
    & skf18("6","6","3","4","6","6","1") = "5"
    & skf18("6","6","3","4","6","7","1") = "6"
    & skf18("6","6","3","4","6","8","1") = "7"
    & skf18("6","6","3","4","6","9","1") = "8"
    & skf18("6","6","3","4","6","10","1") = "9"
    & skf18("6","6","3","4","7","1","1") = "6"
    & skf18("6","6","3","4","7","2","1") = "6"
    & skf18("6","6","3","4","7","3","1") = "6"
    & skf18("6","6","3","4","7","4","1") = "6"
    & skf18("6","6","3","4","7","5","1") = "6"
    & skf18("6","6","3","4","7","6","1") = "6"
    & skf18("6","6","3","4","7","7","1") = "6"
    & skf18("6","6","3","4","7","8","1") = "7"
    & skf18("6","6","3","4","7","9","1") = "8"
    & skf18("6","6","3","4","7","10","1") = "9"
    & skf18("6","6","3","4","8","1","1") = "7"
    & skf18("6","6","3","4","8","2","1") = "7"
    & skf18("6","6","3","4","8","3","1") = "7"
    & skf18("6","6","3","4","8","4","1") = "7"
    & skf18("6","6","3","4","8","5","1") = "7"
    & skf18("6","6","3","4","8","6","1") = "7"
    & skf18("6","6","3","4","8","7","1") = "7"
    & skf18("6","6","3","4","8","8","1") = "7"
    & skf18("6","6","3","4","8","9","1") = "8"
    & skf18("6","6","3","4","8","10","1") = "9"
    & skf18("6","6","3","4","9","1","1") = "8"
    & skf18("6","6","3","4","9","2","1") = "8"
    & skf18("6","6","3","4","9","3","1") = "8"
    & skf18("6","6","3","4","9","4","1") = "8"
    & skf18("6","6","3","4","9","5","1") = "8"
    & skf18("6","6","3","4","9","6","1") = "8"
    & skf18("6","6","3","4","9","7","1") = "8"
    & skf18("6","6","3","4","9","8","1") = "8"
    & skf18("6","6","3","4","9","9","1") = "8"
    & skf18("6","6","3","4","9","10","1") = "9"
    & skf18("6","6","3","4","10","1","1") = "9"
    & skf18("6","6","3","4","10","2","1") = "9"
    & skf18("6","6","3","4","10","3","1") = "9"
    & skf18("6","6","3","4","10","4","1") = "9"
    & skf18("6","6","3","4","10","5","1") = "9"
    & skf18("6","6","3","4","10","6","1") = "9"
    & skf18("6","6","3","4","10","7","1") = "9"
    & skf18("6","6","3","4","10","8","1") = "9"
    & skf18("6","6","3","4","10","9","1") = "9"
    & skf18("6","6","3","4","10","10","1") = "9"
    & skf18("6","6","3","5","1","1","1") = "5"
    & skf18("6","6","3","5","1","2","1") = "5"
    & skf18("6","6","3","5","1","3","1") = "5"
    & skf18("6","6","3","5","1","4","1") = "5"
    & skf18("6","6","3","5","1","5","1") = "5"
    & skf18("6","6","3","5","1","6","1") = "5"
    & skf18("6","6","3","5","1","7","1") = "6"
    & skf18("6","6","3","5","1","8","1") = "7"
    & skf18("6","6","3","5","1","9","1") = "8"
    & skf18("6","6","3","5","1","10","1") = "9"
    & skf18("6","6","3","5","2","1","1") = "5"
    & skf18("6","6","3","5","2","2","1") = "5"
    & skf18("6","6","3","5","2","3","1") = "5"
    & skf18("6","6","3","5","2","4","1") = "5"
    & skf18("6","6","3","5","2","5","1") = "5"
    & skf18("6","6","3","5","2","6","1") = "5"
    & skf18("6","6","3","5","2","7","1") = "6"
    & skf18("6","6","3","5","2","8","1") = "7"
    & skf18("6","6","3","5","2","9","1") = "8"
    & skf18("6","6","3","5","2","10","1") = "9"
    & skf18("6","6","3","5","3","1","1") = "5"
    & skf18("6","6","3","5","3","2","1") = "5"
    & skf18("6","6","3","5","3","3","1") = "5"
    & skf18("6","6","3","5","3","4","1") = "5"
    & skf18("6","6","3","5","3","5","1") = "5"
    & skf18("6","6","3","5","3","6","1") = "5"
    & skf18("6","6","3","5","3","7","1") = "6"
    & skf18("6","6","3","5","3","8","1") = "7"
    & skf18("6","6","3","5","3","9","1") = "8"
    & skf18("6","6","3","5","3","10","1") = "9"
    & skf18("6","6","3","5","4","1","1") = "5"
    & skf18("6","6","3","5","4","2","1") = "5"
    & skf18("6","6","3","5","4","3","1") = "5"
    & skf18("6","6","3","5","4","4","1") = "5"
    & skf18("6","6","3","5","4","5","1") = "5"
    & skf18("6","6","3","5","4","6","1") = "5"
    & skf18("6","6","3","5","4","7","1") = "6"
    & skf18("6","6","3","5","4","8","1") = "7"
    & skf18("6","6","3","5","4","9","1") = "8"
    & skf18("6","6","3","5","4","10","1") = "9"
    & skf18("6","6","3","5","5","1","1") = "5"
    & skf18("6","6","3","5","5","2","1") = "5"
    & skf18("6","6","3","5","5","3","1") = "5"
    & skf18("6","6","3","5","5","4","1") = "5"
    & skf18("6","6","3","5","5","5","1") = "5"
    & skf18("6","6","3","5","5","6","1") = "5"
    & skf18("6","6","3","5","5","7","1") = "6"
    & skf18("6","6","3","5","5","8","1") = "7"
    & skf18("6","6","3","5","5","9","1") = "8"
    & skf18("6","6","3","5","5","10","1") = "9"
    & skf18("6","6","3","5","6","1","1") = "5"
    & skf18("6","6","3","5","6","2","1") = "5"
    & skf18("6","6","3","5","6","3","1") = "5"
    & skf18("6","6","3","5","6","4","1") = "5"
    & skf18("6","6","3","5","6","5","1") = "5"
    & skf18("6","6","3","5","6","6","1") = "5"
    & skf18("6","6","3","5","6","7","1") = "6"
    & skf18("6","6","3","5","6","8","1") = "7"
    & skf18("6","6","3","5","6","9","1") = "8"
    & skf18("6","6","3","5","6","10","1") = "9"
    & skf18("6","6","3","5","7","1","1") = "6"
    & skf18("6","6","3","5","7","2","1") = "6"
    & skf18("6","6","3","5","7","3","1") = "6"
    & skf18("6","6","3","5","7","4","1") = "6"
    & skf18("6","6","3","5","7","5","1") = "6"
    & skf18("6","6","3","5","7","6","1") = "6"
    & skf18("6","6","3","5","7","7","1") = "6"
    & skf18("6","6","3","5","7","8","1") = "7"
    & skf18("6","6","3","5","7","9","1") = "8"
    & skf18("6","6","3","5","7","10","1") = "9"
    & skf18("6","6","3","5","8","1","1") = "7"
    & skf18("6","6","3","5","8","2","1") = "7"
    & skf18("6","6","3","5","8","3","1") = "7"
    & skf18("6","6","3","5","8","4","1") = "7"
    & skf18("6","6","3","5","8","5","1") = "7"
    & skf18("6","6","3","5","8","6","1") = "7"
    & skf18("6","6","3","5","8","7","1") = "7"
    & skf18("6","6","3","5","8","8","1") = "7"
    & skf18("6","6","3","5","8","9","1") = "8"
    & skf18("6","6","3","5","8","10","1") = "9"
    & skf18("6","6","3","5","9","1","1") = "8"
    & skf18("6","6","3","5","9","2","1") = "8"
    & skf18("6","6","3","5","9","3","1") = "8"
    & skf18("6","6","3","5","9","4","1") = "8"
    & skf18("6","6","3","5","9","5","1") = "8"
    & skf18("6","6","3","5","9","6","1") = "8"
    & skf18("6","6","3","5","9","7","1") = "8"
    & skf18("6","6","3","5","9","8","1") = "8"
    & skf18("6","6","3","5","9","9","1") = "8"
    & skf18("6","6","3","5","9","10","1") = "9"
    & skf18("6","6","3","5","10","1","1") = "9"
    & skf18("6","6","3","5","10","2","1") = "9"
    & skf18("6","6","3","5","10","3","1") = "9"
    & skf18("6","6","3","5","10","4","1") = "9"
    & skf18("6","6","3","5","10","5","1") = "9"
    & skf18("6","6","3","5","10","6","1") = "9"
    & skf18("6","6","3","5","10","7","1") = "9"
    & skf18("6","6","3","5","10","8","1") = "9"
    & skf18("6","6","3","5","10","9","1") = "9"
    & skf18("6","6","3","5","10","10","1") = "9"
    & skf18("6","6","3","6","1","1","1") = "5"
    & skf18("6","6","3","6","1","2","1") = "5"
    & skf18("6","6","3","6","1","3","1") = "5"
    & skf18("6","6","3","6","1","4","1") = "5"
    & skf18("6","6","3","6","1","5","1") = "5"
    & skf18("6","6","3","6","1","6","1") = "5"
    & skf18("6","6","3","6","1","7","1") = "6"
    & skf18("6","6","3","6","1","8","1") = "7"
    & skf18("6","6","3","6","1","9","1") = "8"
    & skf18("6","6","3","6","1","10","1") = "9"
    & skf18("6","6","3","6","2","1","1") = "5"
    & skf18("6","6","3","6","2","2","1") = "5"
    & skf18("6","6","3","6","2","3","1") = "5"
    & skf18("6","6","3","6","2","4","1") = "5"
    & skf18("6","6","3","6","2","5","1") = "5"
    & skf18("6","6","3","6","2","6","1") = "5"
    & skf18("6","6","3","6","2","7","1") = "6"
    & skf18("6","6","3","6","2","8","1") = "7"
    & skf18("6","6","3","6","2","9","1") = "8"
    & skf18("6","6","3","6","2","10","1") = "9"
    & skf18("6","6","3","6","3","1","1") = "5"
    & skf18("6","6","3","6","3","2","1") = "5"
    & skf18("6","6","3","6","3","3","1") = "5"
    & skf18("6","6","3","6","3","4","1") = "5"
    & skf18("6","6","3","6","3","5","1") = "5"
    & skf18("6","6","3","6","3","6","1") = "5"
    & skf18("6","6","3","6","3","7","1") = "6"
    & skf18("6","6","3","6","3","8","1") = "7"
    & skf18("6","6","3","6","3","9","1") = "8"
    & skf18("6","6","3","6","3","10","1") = "9"
    & skf18("6","6","3","6","4","1","1") = "5"
    & skf18("6","6","3","6","4","2","1") = "5"
    & skf18("6","6","3","6","4","3","1") = "5"
    & skf18("6","6","3","6","4","4","1") = "5"
    & skf18("6","6","3","6","4","5","1") = "5"
    & skf18("6","6","3","6","4","6","1") = "5"
    & skf18("6","6","3","6","4","7","1") = "6"
    & skf18("6","6","3","6","4","8","1") = "7"
    & skf18("6","6","3","6","4","9","1") = "8"
    & skf18("6","6","3","6","4","10","1") = "9"
    & skf18("6","6","3","6","5","1","1") = "5"
    & skf18("6","6","3","6","5","2","1") = "5"
    & skf18("6","6","3","6","5","3","1") = "5"
    & skf18("6","6","3","6","5","4","1") = "5"
    & skf18("6","6","3","6","5","5","1") = "5"
    & skf18("6","6","3","6","5","6","1") = "5"
    & skf18("6","6","3","6","5","7","1") = "6"
    & skf18("6","6","3","6","5","8","1") = "7"
    & skf18("6","6","3","6","5","9","1") = "8"
    & skf18("6","6","3","6","5","10","1") = "9"
    & skf18("6","6","3","6","6","1","1") = "5"
    & skf18("6","6","3","6","6","2","1") = "5"
    & skf18("6","6","3","6","6","3","1") = "5"
    & skf18("6","6","3","6","6","4","1") = "5"
    & skf18("6","6","3","6","6","5","1") = "5"
    & skf18("6","6","3","6","6","6","1") = "5"
    & skf18("6","6","3","6","6","7","1") = "6"
    & skf18("6","6","3","6","6","8","1") = "7"
    & skf18("6","6","3","6","6","9","1") = "8"
    & skf18("6","6","3","6","6","10","1") = "9"
    & skf18("6","6","3","6","7","1","1") = "6"
    & skf18("6","6","3","6","7","2","1") = "6"
    & skf18("6","6","3","6","7","3","1") = "6"
    & skf18("6","6","3","6","7","4","1") = "6"
    & skf18("6","6","3","6","7","5","1") = "6"
    & skf18("6","6","3","6","7","6","1") = "6"
    & skf18("6","6","3","6","7","7","1") = "6"
    & skf18("6","6","3","6","7","8","1") = "7"
    & skf18("6","6","3","6","7","9","1") = "8"
    & skf18("6","6","3","6","7","10","1") = "9"
    & skf18("6","6","3","6","8","1","1") = "7"
    & skf18("6","6","3","6","8","2","1") = "7"
    & skf18("6","6","3","6","8","3","1") = "7"
    & skf18("6","6","3","6","8","4","1") = "7"
    & skf18("6","6","3","6","8","5","1") = "7"
    & skf18("6","6","3","6","8","6","1") = "7"
    & skf18("6","6","3","6","8","7","1") = "7"
    & skf18("6","6","3","6","8","8","1") = "7"
    & skf18("6","6","3","6","8","9","1") = "8"
    & skf18("6","6","3","6","8","10","1") = "9"
    & skf18("6","6","3","6","9","1","1") = "8"
    & skf18("6","6","3","6","9","2","1") = "8"
    & skf18("6","6","3","6","9","3","1") = "8"
    & skf18("6","6","3","6","9","4","1") = "8"
    & skf18("6","6","3","6","9","5","1") = "8"
    & skf18("6","6","3","6","9","6","1") = "8"
    & skf18("6","6","3","6","9","7","1") = "8"
    & skf18("6","6","3","6","9","8","1") = "8"
    & skf18("6","6","3","6","9","9","1") = "8"
    & skf18("6","6","3","6","9","10","1") = "9"
    & skf18("6","6","3","6","10","1","1") = "9"
    & skf18("6","6","3","6","10","2","1") = "9"
    & skf18("6","6","3","6","10","3","1") = "9"
    & skf18("6","6","3","6","10","4","1") = "9"
    & skf18("6","6","3","6","10","5","1") = "9"
    & skf18("6","6","3","6","10","6","1") = "9"
    & skf18("6","6","3","6","10","7","1") = "9"
    & skf18("6","6","3","6","10","8","1") = "9"
    & skf18("6","6","3","6","10","9","1") = "9"
    & skf18("6","6","3","6","10","10","1") = "9"
    & skf18("6","6","3","7","1","1","1") = "6"
    & skf18("6","6","3","7","1","2","1") = "6"
    & skf18("6","6","3","7","1","3","1") = "6"
    & skf18("6","6","3","7","1","4","1") = "6"
    & skf18("6","6","3","7","1","5","1") = "6"
    & skf18("6","6","3","7","1","6","1") = "6"
    & skf18("6","6","3","7","1","7","1") = "6"
    & skf18("6","6","3","7","1","8","1") = "7"
    & skf18("6","6","3","7","1","9","1") = "8"
    & skf18("6","6","3","7","1","10","1") = "9"
    & skf18("6","6","3","7","2","1","1") = "6"
    & skf18("6","6","3","7","2","2","1") = "6"
    & skf18("6","6","3","7","2","3","1") = "6"
    & skf18("6","6","3","7","2","4","1") = "6"
    & skf18("6","6","3","7","2","5","1") = "6"
    & skf18("6","6","3","7","2","6","1") = "6"
    & skf18("6","6","3","7","2","7","1") = "6"
    & skf18("6","6","3","7","2","8","1") = "7"
    & skf18("6","6","3","7","2","9","1") = "8"
    & skf18("6","6","3","7","2","10","1") = "9"
    & skf18("6","6","3","7","3","1","1") = "6"
    & skf18("6","6","3","7","3","2","1") = "6"
    & skf18("6","6","3","7","3","3","1") = "6"
    & skf18("6","6","3","7","3","4","1") = "6"
    & skf18("6","6","3","7","3","5","1") = "6"
    & skf18("6","6","3","7","3","6","1") = "6"
    & skf18("6","6","3","7","3","7","1") = "6"
    & skf18("6","6","3","7","3","8","1") = "7"
    & skf18("6","6","3","7","3","9","1") = "8"
    & skf18("6","6","3","7","3","10","1") = "9"
    & skf18("6","6","3","7","4","1","1") = "6"
    & skf18("6","6","3","7","4","2","1") = "6"
    & skf18("6","6","3","7","4","3","1") = "6"
    & skf18("6","6","3","7","4","4","1") = "6"
    & skf18("6","6","3","7","4","5","1") = "6"
    & skf18("6","6","3","7","4","6","1") = "6"
    & skf18("6","6","3","7","4","7","1") = "6"
    & skf18("6","6","3","7","4","8","1") = "7"
    & skf18("6","6","3","7","4","9","1") = "8"
    & skf18("6","6","3","7","4","10","1") = "9"
    & skf18("6","6","3","7","5","1","1") = "6"
    & skf18("6","6","3","7","5","2","1") = "6"
    & skf18("6","6","3","7","5","3","1") = "6"
    & skf18("6","6","3","7","5","4","1") = "6"
    & skf18("6","6","3","7","5","5","1") = "6"
    & skf18("6","6","3","7","5","6","1") = "6"
    & skf18("6","6","3","7","5","7","1") = "6"
    & skf18("6","6","3","7","5","8","1") = "7"
    & skf18("6","6","3","7","5","9","1") = "8"
    & skf18("6","6","3","7","5","10","1") = "9"
    & skf18("6","6","3","7","6","1","1") = "6"
    & skf18("6","6","3","7","6","2","1") = "6"
    & skf18("6","6","3","7","6","3","1") = "6"
    & skf18("6","6","3","7","6","4","1") = "6"
    & skf18("6","6","3","7","6","5","1") = "6"
    & skf18("6","6","3","7","6","6","1") = "6"
    & skf18("6","6","3","7","6","7","1") = "6"
    & skf18("6","6","3","7","6","8","1") = "7"
    & skf18("6","6","3","7","6","9","1") = "8"
    & skf18("6","6","3","7","6","10","1") = "9"
    & skf18("6","6","3","7","7","1","1") = "6"
    & skf18("6","6","3","7","7","2","1") = "6"
    & skf18("6","6","3","7","7","3","1") = "6"
    & skf18("6","6","3","7","7","4","1") = "6"
    & skf18("6","6","3","7","7","5","1") = "6"
    & skf18("6","6","3","7","7","6","1") = "6"
    & skf18("6","6","3","7","7","7","1") = "6"
    & skf18("6","6","3","7","7","8","1") = "7"
    & skf18("6","6","3","7","7","9","1") = "8"
    & skf18("6","6","3","7","7","10","1") = "9"
    & skf18("6","6","3","7","8","1","1") = "7"
    & skf18("6","6","3","7","8","2","1") = "7"
    & skf18("6","6","3","7","8","3","1") = "7"
    & skf18("6","6","3","7","8","4","1") = "7"
    & skf18("6","6","3","7","8","5","1") = "7"
    & skf18("6","6","3","7","8","6","1") = "7"
    & skf18("6","6","3","7","8","7","1") = "7"
    & skf18("6","6","3","7","8","8","1") = "7"
    & skf18("6","6","3","7","8","9","1") = "8"
    & skf18("6","6","3","7","8","10","1") = "9"
    & skf18("6","6","3","7","9","1","1") = "8"
    & skf18("6","6","3","7","9","2","1") = "8"
    & skf18("6","6","3","7","9","3","1") = "8"
    & skf18("6","6","3","7","9","4","1") = "8"
    & skf18("6","6","3","7","9","5","1") = "8"
    & skf18("6","6","3","7","9","6","1") = "8"
    & skf18("6","6","3","7","9","7","1") = "8"
    & skf18("6","6","3","7","9","8","1") = "8"
    & skf18("6","6","3","7","9","9","1") = "8"
    & skf18("6","6","3","7","9","10","1") = "9"
    & skf18("6","6","3","7","10","1","1") = "9"
    & skf18("6","6","3","7","10","2","1") = "9"
    & skf18("6","6","3","7","10","3","1") = "9"
    & skf18("6","6","3","7","10","4","1") = "9"
    & skf18("6","6","3","7","10","5","1") = "9"
    & skf18("6","6","3","7","10","6","1") = "9"
    & skf18("6","6","3","7","10","7","1") = "9"
    & skf18("6","6","3","7","10","8","1") = "9"
    & skf18("6","6","3","7","10","9","1") = "9"
    & skf18("6","6","3","7","10","10","1") = "9"
    & skf18("6","6","3","8","1","1","1") = "7"
    & skf18("6","6","3","8","1","2","1") = "7"
    & skf18("6","6","3","8","1","3","1") = "7"
    & skf18("6","6","3","8","1","4","1") = "7"
    & skf18("6","6","3","8","1","5","1") = "7"
    & skf18("6","6","3","8","1","6","1") = "7"
    & skf18("6","6","3","8","1","7","1") = "7"
    & skf18("6","6","3","8","1","8","1") = "7"
    & skf18("6","6","3","8","1","9","1") = "8"
    & skf18("6","6","3","8","1","10","1") = "9"
    & skf18("6","6","3","8","2","1","1") = "7"
    & skf18("6","6","3","8","2","2","1") = "7"
    & skf18("6","6","3","8","2","3","1") = "7"
    & skf18("6","6","3","8","2","4","1") = "7"
    & skf18("6","6","3","8","2","5","1") = "7"
    & skf18("6","6","3","8","2","6","1") = "7"
    & skf18("6","6","3","8","2","7","1") = "7"
    & skf18("6","6","3","8","2","8","1") = "7"
    & skf18("6","6","3","8","2","9","1") = "8"
    & skf18("6","6","3","8","2","10","1") = "9"
    & skf18("6","6","3","8","3","1","1") = "7"
    & skf18("6","6","3","8","3","2","1") = "7"
    & skf18("6","6","3","8","3","3","1") = "7"
    & skf18("6","6","3","8","3","4","1") = "7"
    & skf18("6","6","3","8","3","5","1") = "7"
    & skf18("6","6","3","8","3","6","1") = "7"
    & skf18("6","6","3","8","3","7","1") = "7"
    & skf18("6","6","3","8","3","8","1") = "7"
    & skf18("6","6","3","8","3","9","1") = "8"
    & skf18("6","6","3","8","3","10","1") = "9"
    & skf18("6","6","3","8","4","1","1") = "7"
    & skf18("6","6","3","8","4","2","1") = "7"
    & skf18("6","6","3","8","4","3","1") = "7"
    & skf18("6","6","3","8","4","4","1") = "7"
    & skf18("6","6","3","8","4","5","1") = "7"
    & skf18("6","6","3","8","4","6","1") = "7"
    & skf18("6","6","3","8","4","7","1") = "7"
    & skf18("6","6","3","8","4","8","1") = "7"
    & skf18("6","6","3","8","4","9","1") = "8"
    & skf18("6","6","3","8","4","10","1") = "9"
    & skf18("6","6","3","8","5","1","1") = "7"
    & skf18("6","6","3","8","5","2","1") = "7"
    & skf18("6","6","3","8","5","3","1") = "7"
    & skf18("6","6","3","8","5","4","1") = "7"
    & skf18("6","6","3","8","5","5","1") = "7"
    & skf18("6","6","3","8","5","6","1") = "7"
    & skf18("6","6","3","8","5","7","1") = "7"
    & skf18("6","6","3","8","5","8","1") = "7"
    & skf18("6","6","3","8","5","9","1") = "8"
    & skf18("6","6","3","8","5","10","1") = "9"
    & skf18("6","6","3","8","6","1","1") = "7"
    & skf18("6","6","3","8","6","2","1") = "7"
    & skf18("6","6","3","8","6","3","1") = "7"
    & skf18("6","6","3","8","6","4","1") = "7"
    & skf18("6","6","3","8","6","5","1") = "7"
    & skf18("6","6","3","8","6","6","1") = "7"
    & skf18("6","6","3","8","6","7","1") = "7"
    & skf18("6","6","3","8","6","8","1") = "7"
    & skf18("6","6","3","8","6","9","1") = "8"
    & skf18("6","6","3","8","6","10","1") = "9"
    & skf18("6","6","3","8","7","1","1") = "7"
    & skf18("6","6","3","8","7","2","1") = "7"
    & skf18("6","6","3","8","7","3","1") = "7"
    & skf18("6","6","3","8","7","4","1") = "7"
    & skf18("6","6","3","8","7","5","1") = "7"
    & skf18("6","6","3","8","7","6","1") = "7"
    & skf18("6","6","3","8","7","7","1") = "7"
    & skf18("6","6","3","8","7","8","1") = "7"
    & skf18("6","6","3","8","7","9","1") = "8"
    & skf18("6","6","3","8","7","10","1") = "9"
    & skf18("6","6","3","8","8","1","1") = "7"
    & skf18("6","6","3","8","8","2","1") = "7"
    & skf18("6","6","3","8","8","3","1") = "7"
    & skf18("6","6","3","8","8","4","1") = "7"
    & skf18("6","6","3","8","8","5","1") = "7"
    & skf18("6","6","3","8","8","6","1") = "7"
    & skf18("6","6","3","8","8","7","1") = "7"
    & skf18("6","6","3","8","8","8","1") = "7"
    & skf18("6","6","3","8","8","9","1") = "8"
    & skf18("6","6","3","8","8","10","1") = "9"
    & skf18("6","6","3","8","9","1","1") = "8"
    & skf18("6","6","3","8","9","2","1") = "8"
    & skf18("6","6","3","8","9","3","1") = "8"
    & skf18("6","6","3","8","9","4","1") = "8"
    & skf18("6","6","3","8","9","5","1") = "8"
    & skf18("6","6","3","8","9","6","1") = "8"
    & skf18("6","6","3","8","9","7","1") = "8"
    & skf18("6","6","3","8","9","8","1") = "8"
    & skf18("6","6","3","8","9","9","1") = "8"
    & skf18("6","6","3","8","9","10","1") = "9"
    & skf18("6","6","3","8","10","1","1") = "9"
    & skf18("6","6","3","8","10","2","1") = "9"
    & skf18("6","6","3","8","10","3","1") = "9"
    & skf18("6","6","3","8","10","4","1") = "9"
    & skf18("6","6","3","8","10","5","1") = "9"
    & skf18("6","6","3","8","10","6","1") = "9"
    & skf18("6","6","3","8","10","7","1") = "9"
    & skf18("6","6","3","8","10","8","1") = "9"
    & skf18("6","6","3","8","10","9","1") = "9"
    & skf18("6","6","3","8","10","10","1") = "9"
    & skf18("6","6","3","9","1","1","1") = "8"
    & skf18("6","6","3","9","1","2","1") = "8"
    & skf18("6","6","3","9","1","3","1") = "8"
    & skf18("6","6","3","9","1","4","1") = "8"
    & skf18("6","6","3","9","1","5","1") = "8"
    & skf18("6","6","3","9","1","6","1") = "8"
    & skf18("6","6","3","9","1","7","1") = "8"
    & skf18("6","6","3","9","1","8","1") = "8"
    & skf18("6","6","3","9","1","9","1") = "8"
    & skf18("6","6","3","9","1","10","1") = "9"
    & skf18("6","6","3","9","2","1","1") = "8"
    & skf18("6","6","3","9","2","2","1") = "8"
    & skf18("6","6","3","9","2","3","1") = "8"
    & skf18("6","6","3","9","2","4","1") = "8"
    & skf18("6","6","3","9","2","5","1") = "8"
    & skf18("6","6","3","9","2","6","1") = "8"
    & skf18("6","6","3","9","2","7","1") = "8"
    & skf18("6","6","3","9","2","8","1") = "8"
    & skf18("6","6","3","9","2","9","1") = "8"
    & skf18("6","6","3","9","2","10","1") = "9"
    & skf18("6","6","3","9","3","1","1") = "8"
    & skf18("6","6","3","9","3","2","1") = "8"
    & skf18("6","6","3","9","3","3","1") = "8"
    & skf18("6","6","3","9","3","4","1") = "8"
    & skf18("6","6","3","9","3","5","1") = "8"
    & skf18("6","6","3","9","3","6","1") = "8"
    & skf18("6","6","3","9","3","7","1") = "8"
    & skf18("6","6","3","9","3","8","1") = "8"
    & skf18("6","6","3","9","3","9","1") = "8"
    & skf18("6","6","3","9","3","10","1") = "9"
    & skf18("6","6","3","9","4","1","1") = "8"
    & skf18("6","6","3","9","4","2","1") = "8"
    & skf18("6","6","3","9","4","3","1") = "8"
    & skf18("6","6","3","9","4","4","1") = "8"
    & skf18("6","6","3","9","4","5","1") = "8"
    & skf18("6","6","3","9","4","6","1") = "8"
    & skf18("6","6","3","9","4","7","1") = "8"
    & skf18("6","6","3","9","4","8","1") = "8"
    & skf18("6","6","3","9","4","9","1") = "8"
    & skf18("6","6","3","9","4","10","1") = "9"
    & skf18("6","6","3","9","5","1","1") = "8"
    & skf18("6","6","3","9","5","2","1") = "8"
    & skf18("6","6","3","9","5","3","1") = "8"
    & skf18("6","6","3","9","5","4","1") = "8"
    & skf18("6","6","3","9","5","5","1") = "8"
    & skf18("6","6","3","9","5","6","1") = "8"
    & skf18("6","6","3","9","5","7","1") = "8"
    & skf18("6","6","3","9","5","8","1") = "8"
    & skf18("6","6","3","9","5","9","1") = "8"
    & skf18("6","6","3","9","5","10","1") = "9"
    & skf18("6","6","3","9","6","1","1") = "8"
    & skf18("6","6","3","9","6","2","1") = "8"
    & skf18("6","6","3","9","6","3","1") = "8"
    & skf18("6","6","3","9","6","4","1") = "8"
    & skf18("6","6","3","9","6","5","1") = "8"
    & skf18("6","6","3","9","6","6","1") = "8"
    & skf18("6","6","3","9","6","7","1") = "8"
    & skf18("6","6","3","9","6","8","1") = "8"
    & skf18("6","6","3","9","6","9","1") = "8"
    & skf18("6","6","3","9","6","10","1") = "9"
    & skf18("6","6","3","9","7","1","1") = "8"
    & skf18("6","6","3","9","7","2","1") = "8"
    & skf18("6","6","3","9","7","3","1") = "8"
    & skf18("6","6","3","9","7","4","1") = "8"
    & skf18("6","6","3","9","7","5","1") = "8"
    & skf18("6","6","3","9","7","6","1") = "8"
    & skf18("6","6","3","9","7","7","1") = "8"
    & skf18("6","6","3","9","7","8","1") = "8"
    & skf18("6","6","3","9","7","9","1") = "8"
    & skf18("6","6","3","9","7","10","1") = "9"
    & skf18("6","6","3","9","8","1","1") = "8"
    & skf18("6","6","3","9","8","2","1") = "8"
    & skf18("6","6","3","9","8","3","1") = "8"
    & skf18("6","6","3","9","8","4","1") = "8"
    & skf18("6","6","3","9","8","5","1") = "8"
    & skf18("6","6","3","9","8","6","1") = "8"
    & skf18("6","6","3","9","8","7","1") = "8"
    & skf18("6","6","3","9","8","8","1") = "8"
    & skf18("6","6","3","9","8","9","1") = "8"
    & skf18("6","6","3","9","8","10","1") = "9"
    & skf18("6","6","3","9","9","1","1") = "8"
    & skf18("6","6","3","9","9","2","1") = "8"
    & skf18("6","6","3","9","9","3","1") = "8"
    & skf18("6","6","3","9","9","4","1") = "8"
    & skf18("6","6","3","9","9","5","1") = "8"
    & skf18("6","6","3","9","9","6","1") = "8"
    & skf18("6","6","3","9","9","7","1") = "8"
    & skf18("6","6","3","9","9","8","1") = "8"
    & skf18("6","6","3","9","9","9","1") = "8"
    & skf18("6","6","3","9","9","10","1") = "9"
    & skf18("6","6","3","9","10","1","1") = "9"
    & skf18("6","6","3","9","10","2","1") = "9"
    & skf18("6","6","3","9","10","3","1") = "9"
    & skf18("6","6","3","9","10","4","1") = "9"
    & skf18("6","6","3","9","10","5","1") = "9"
    & skf18("6","6","3","9","10","6","1") = "9"
    & skf18("6","6","3","9","10","7","1") = "9"
    & skf18("6","6","3","9","10","8","1") = "9"
    & skf18("6","6","3","9","10","9","1") = "9"
    & skf18("6","6","3","9","10","10","1") = "9"
    & skf18("6","6","3","10","1","1","1") = "9"
    & skf18("6","6","3","10","1","2","1") = "9"
    & skf18("6","6","3","10","1","3","1") = "9"
    & skf18("6","6","3","10","1","4","1") = "9"
    & skf18("6","6","3","10","1","5","1") = "9"
    & skf18("6","6","3","10","1","6","1") = "9"
    & skf18("6","6","3","10","1","7","1") = "9"
    & skf18("6","6","3","10","1","8","1") = "9"
    & skf18("6","6","3","10","1","9","1") = "9"
    & skf18("6","6","3","10","1","10","1") = "9"
    & skf18("6","6","3","10","2","1","1") = "9"
    & skf18("6","6","3","10","2","2","1") = "9"
    & skf18("6","6","3","10","2","3","1") = "9"
    & skf18("6","6","3","10","2","4","1") = "9"
    & skf18("6","6","3","10","2","5","1") = "9"
    & skf18("6","6","3","10","2","6","1") = "9"
    & skf18("6","6","3","10","2","7","1") = "9"
    & skf18("6","6","3","10","2","8","1") = "9"
    & skf18("6","6","3","10","2","9","1") = "9"
    & skf18("6","6","3","10","2","10","1") = "9"
    & skf18("6","6","3","10","3","1","1") = "9"
    & skf18("6","6","3","10","3","2","1") = "9"
    & skf18("6","6","3","10","3","3","1") = "9"
    & skf18("6","6","3","10","3","4","1") = "9"
    & skf18("6","6","3","10","3","5","1") = "9"
    & skf18("6","6","3","10","3","6","1") = "9"
    & skf18("6","6","3","10","3","7","1") = "9"
    & skf18("6","6","3","10","3","8","1") = "9"
    & skf18("6","6","3","10","3","9","1") = "9"
    & skf18("6","6","3","10","3","10","1") = "9"
    & skf18("6","6","3","10","4","1","1") = "9"
    & skf18("6","6","3","10","4","2","1") = "9"
    & skf18("6","6","3","10","4","3","1") = "9"
    & skf18("6","6","3","10","4","4","1") = "9"
    & skf18("6","6","3","10","4","5","1") = "9"
    & skf18("6","6","3","10","4","6","1") = "9"
    & skf18("6","6","3","10","4","7","1") = "9"
    & skf18("6","6","3","10","4","8","1") = "9"
    & skf18("6","6","3","10","4","9","1") = "9"
    & skf18("6","6","3","10","4","10","1") = "9"
    & skf18("6","6","3","10","5","1","1") = "9"
    & skf18("6","6","3","10","5","2","1") = "9"
    & skf18("6","6","3","10","5","3","1") = "9"
    & skf18("6","6","3","10","5","4","1") = "9"
    & skf18("6","6","3","10","5","5","1") = "9"
    & skf18("6","6","3","10","5","6","1") = "9"
    & skf18("6","6","3","10","5","7","1") = "9"
    & skf18("6","6","3","10","5","8","1") = "9"
    & skf18("6","6","3","10","5","9","1") = "9"
    & skf18("6","6","3","10","5","10","1") = "9"
    & skf18("6","6","3","10","6","1","1") = "9"
    & skf18("6","6","3","10","6","2","1") = "9"
    & skf18("6","6","3","10","6","3","1") = "9"
    & skf18("6","6","3","10","6","4","1") = "9"
    & skf18("6","6","3","10","6","5","1") = "9"
    & skf18("6","6","3","10","6","6","1") = "9"
    & skf18("6","6","3","10","6","7","1") = "9"
    & skf18("6","6","3","10","6","8","1") = "9"
    & skf18("6","6","3","10","6","9","1") = "9"
    & skf18("6","6","3","10","6","10","1") = "9"
    & skf18("6","6","3","10","7","1","1") = "9"
    & skf18("6","6","3","10","7","2","1") = "9"
    & skf18("6","6","3","10","7","3","1") = "9"
    & skf18("6","6","3","10","7","4","1") = "9"
    & skf18("6","6","3","10","7","5","1") = "9"
    & skf18("6","6","3","10","7","6","1") = "9"
    & skf18("6","6","3","10","7","7","1") = "9"
    & skf18("6","6","3","10","7","8","1") = "9"
    & skf18("6","6","3","10","7","9","1") = "9"
    & skf18("6","6","3","10","7","10","1") = "9"
    & skf18("6","6","3","10","8","1","1") = "9"
    & skf18("6","6","3","10","8","2","1") = "9"
    & skf18("6","6","3","10","8","3","1") = "9"
    & skf18("6","6","3","10","8","4","1") = "9"
    & skf18("6","6","3","10","8","5","1") = "9"
    & skf18("6","6","3","10","8","6","1") = "9"
    & skf18("6","6","3","10","8","7","1") = "9"
    & skf18("6","6","3","10","8","8","1") = "9"
    & skf18("6","6","3","10","8","9","1") = "9"
    & skf18("6","6","3","10","8","10","1") = "9"
    & skf18("6","6","3","10","9","1","1") = "9"
    & skf18("6","6","3","10","9","2","1") = "9"
    & skf18("6","6","3","10","9","3","1") = "9"
    & skf18("6","6","3","10","9","4","1") = "9"
    & skf18("6","6","3","10","9","5","1") = "9"
    & skf18("6","6","3","10","9","6","1") = "9"
    & skf18("6","6","3","10","9","7","1") = "9"
    & skf18("6","6","3","10","9","8","1") = "9"
    & skf18("6","6","3","10","9","9","1") = "9"
    & skf18("6","6","3","10","9","10","1") = "9"
    & skf18("6","6","3","10","10","1","1") = "9"
    & skf18("6","6","3","10","10","2","1") = "9"
    & skf18("6","6","3","10","10","3","1") = "9"
    & skf18("6","6","3","10","10","4","1") = "9"
    & skf18("6","6","3","10","10","5","1") = "9"
    & skf18("6","6","3","10","10","6","1") = "9"
    & skf18("6","6","3","10","10","7","1") = "9"
    & skf18("6","6","3","10","10","8","1") = "9"
    & skf18("6","6","3","10","10","9","1") = "9"
    & skf18("6","6","3","10","10","10","1") = "9"
    & skf18("6","6","4","1","1","1","1") = "5"
    & skf18("6","6","4","1","1","2","1") = "5"
    & skf18("6","6","4","1","1","3","1") = "5"
    & skf18("6","6","4","1","1","4","1") = "5"
    & skf18("6","6","4","1","1","5","1") = "5"
    & skf18("6","6","4","1","1","6","1") = "5"
    & skf18("6","6","4","1","1","7","1") = "6"
    & skf18("6","6","4","1","1","8","1") = "7"
    & skf18("6","6","4","1","1","9","1") = "8"
    & skf18("6","6","4","1","1","10","1") = "9"
    & skf18("6","6","4","1","2","1","1") = "5"
    & skf18("6","6","4","1","2","2","1") = "5"
    & skf18("6","6","4","1","2","3","1") = "5"
    & skf18("6","6","4","1","2","4","1") = "5"
    & skf18("6","6","4","1","2","5","1") = "5"
    & skf18("6","6","4","1","2","6","1") = "5"
    & skf18("6","6","4","1","2","7","1") = "6"
    & skf18("6","6","4","1","2","8","1") = "7"
    & skf18("6","6","4","1","2","9","1") = "8"
    & skf18("6","6","4","1","2","10","1") = "9"
    & skf18("6","6","4","1","3","1","1") = "5"
    & skf18("6","6","4","1","3","2","1") = "5"
    & skf18("6","6","4","1","3","3","1") = "5"
    & skf18("6","6","4","1","3","4","1") = "5"
    & skf18("6","6","4","1","3","5","1") = "5"
    & skf18("6","6","4","1","3","6","1") = "5"
    & skf18("6","6","4","1","3","7","1") = "6"
    & skf18("6","6","4","1","3","8","1") = "7"
    & skf18("6","6","4","1","3","9","1") = "8"
    & skf18("6","6","4","1","3","10","1") = "9"
    & skf18("6","6","4","1","4","1","1") = "5"
    & skf18("6","6","4","1","4","2","1") = "5"
    & skf18("6","6","4","1","4","3","1") = "5"
    & skf18("6","6","4","1","4","4","1") = "5"
    & skf18("6","6","4","1","4","5","1") = "5"
    & skf18("6","6","4","1","4","6","1") = "5"
    & skf18("6","6","4","1","4","7","1") = "6"
    & skf18("6","6","4","1","4","8","1") = "7"
    & skf18("6","6","4","1","4","9","1") = "8"
    & skf18("6","6","4","1","4","10","1") = "9"
    & skf18("6","6","4","1","5","1","1") = "5"
    & skf18("6","6","4","1","5","2","1") = "5"
    & skf18("6","6","4","1","5","3","1") = "5"
    & skf18("6","6","4","1","5","4","1") = "5"
    & skf18("6","6","4","1","5","5","1") = "5"
    & skf18("6","6","4","1","5","6","1") = "5"
    & skf18("6","6","4","1","5","7","1") = "6"
    & skf18("6","6","4","1","5","8","1") = "7"
    & skf18("6","6","4","1","5","9","1") = "8"
    & skf18("6","6","4","1","5","10","1") = "9"
    & skf18("6","6","4","1","6","1","1") = "5"
    & skf18("6","6","4","1","6","2","1") = "5"
    & skf18("6","6","4","1","6","3","1") = "5"
    & skf18("6","6","4","1","6","4","1") = "5"
    & skf18("6","6","4","1","6","5","1") = "5"
    & skf18("6","6","4","1","6","6","1") = "5"
    & skf18("6","6","4","1","6","7","1") = "6"
    & skf18("6","6","4","1","6","8","1") = "7"
    & skf18("6","6","4","1","6","9","1") = "8"
    & skf18("6","6","4","1","6","10","1") = "9"
    & skf18("6","6","4","1","7","1","1") = "6"
    & skf18("6","6","4","1","7","2","1") = "6"
    & skf18("6","6","4","1","7","3","1") = "6"
    & skf18("6","6","4","1","7","4","1") = "6"
    & skf18("6","6","4","1","7","5","1") = "6"
    & skf18("6","6","4","1","7","6","1") = "6"
    & skf18("6","6","4","1","7","7","1") = "6"
    & skf18("6","6","4","1","7","8","1") = "7"
    & skf18("6","6","4","1","7","9","1") = "8"
    & skf18("6","6","4","1","7","10","1") = "9"
    & skf18("6","6","4","1","8","1","1") = "7"
    & skf18("6","6","4","1","8","2","1") = "7"
    & skf18("6","6","4","1","8","3","1") = "7"
    & skf18("6","6","4","1","8","4","1") = "7"
    & skf18("6","6","4","1","8","5","1") = "7"
    & skf18("6","6","4","1","8","6","1") = "7"
    & skf18("6","6","4","1","8","7","1") = "7"
    & skf18("6","6","4","1","8","8","1") = "7"
    & skf18("6","6","4","1","8","9","1") = "8"
    & skf18("6","6","4","1","8","10","1") = "9"
    & skf18("6","6","4","1","9","1","1") = "8"
    & skf18("6","6","4","1","9","2","1") = "8"
    & skf18("6","6","4","1","9","3","1") = "8"
    & skf18("6","6","4","1","9","4","1") = "8"
    & skf18("6","6","4","1","9","5","1") = "8"
    & skf18("6","6","4","1","9","6","1") = "8"
    & skf18("6","6","4","1","9","7","1") = "8"
    & skf18("6","6","4","1","9","8","1") = "8"
    & skf18("6","6","4","1","9","9","1") = "8"
    & skf18("6","6","4","1","9","10","1") = "9"
    & skf18("6","6","4","1","10","1","1") = "9"
    & skf18("6","6","4","1","10","2","1") = "9"
    & skf18("6","6","4","1","10","3","1") = "9"
    & skf18("6","6","4","1","10","4","1") = "9"
    & skf18("6","6","4","1","10","5","1") = "9"
    & skf18("6","6","4","1","10","6","1") = "9"
    & skf18("6","6","4","1","10","7","1") = "9"
    & skf18("6","6","4","1","10","8","1") = "9"
    & skf18("6","6","4","1","10","9","1") = "9"
    & skf18("6","6","4","1","10","10","1") = "9"
    & skf18("6","6","4","2","1","1","1") = "5"
    & skf18("6","6","4","2","1","2","1") = "5"
    & skf18("6","6","4","2","1","3","1") = "5"
    & skf18("6","6","4","2","1","4","1") = "5"
    & skf18("6","6","4","2","1","5","1") = "5"
    & skf18("6","6","4","2","1","6","1") = "5"
    & skf18("6","6","4","2","1","7","1") = "6"
    & skf18("6","6","4","2","1","8","1") = "7"
    & skf18("6","6","4","2","1","9","1") = "8"
    & skf18("6","6","4","2","1","10","1") = "9"
    & skf18("6","6","4","2","2","1","1") = "5"
    & skf18("6","6","4","2","2","2","1") = "5"
    & skf18("6","6","4","2","2","3","1") = "5"
    & skf18("6","6","4","2","2","4","1") = "5"
    & skf18("6","6","4","2","2","5","1") = "5"
    & skf18("6","6","4","2","2","6","1") = "5"
    & skf18("6","6","4","2","2","7","1") = "6"
    & skf18("6","6","4","2","2","8","1") = "7"
    & skf18("6","6","4","2","2","9","1") = "8"
    & skf18("6","6","4","2","2","10","1") = "9"
    & skf18("6","6","4","2","3","1","1") = "5"
    & skf18("6","6","4","2","3","2","1") = "5"
    & skf18("6","6","4","2","3","3","1") = "5"
    & skf18("6","6","4","2","3","4","1") = "5"
    & skf18("6","6","4","2","3","5","1") = "5"
    & skf18("6","6","4","2","3","6","1") = "5"
    & skf18("6","6","4","2","3","7","1") = "6"
    & skf18("6","6","4","2","3","8","1") = "7"
    & skf18("6","6","4","2","3","9","1") = "8"
    & skf18("6","6","4","2","3","10","1") = "9"
    & skf18("6","6","4","2","4","1","1") = "5"
    & skf18("6","6","4","2","4","2","1") = "5"
    & skf18("6","6","4","2","4","3","1") = "5"
    & skf18("6","6","4","2","4","4","1") = "5"
    & skf18("6","6","4","2","4","5","1") = "5"
    & skf18("6","6","4","2","4","6","1") = "5"
    & skf18("6","6","4","2","4","7","1") = "6"
    & skf18("6","6","4","2","4","8","1") = "7"
    & skf18("6","6","4","2","4","9","1") = "8"
    & skf18("6","6","4","2","4","10","1") = "9"
    & skf18("6","6","4","2","5","1","1") = "5"
    & skf18("6","6","4","2","5","2","1") = "5"
    & skf18("6","6","4","2","5","3","1") = "5"
    & skf18("6","6","4","2","5","4","1") = "5"
    & skf18("6","6","4","2","5","5","1") = "5"
    & skf18("6","6","4","2","5","6","1") = "5"
    & skf18("6","6","4","2","5","7","1") = "6"
    & skf18("6","6","4","2","5","8","1") = "7"
    & skf18("6","6","4","2","5","9","1") = "8"
    & skf18("6","6","4","2","5","10","1") = "9"
    & skf18("6","6","4","2","6","1","1") = "5"
    & skf18("6","6","4","2","6","2","1") = "5"
    & skf18("6","6","4","2","6","3","1") = "5"
    & skf18("6","6","4","2","6","4","1") = "5"
    & skf18("6","6","4","2","6","5","1") = "5"
    & skf18("6","6","4","2","6","6","1") = "5"
    & skf18("6","6","4","2","6","7","1") = "6"
    & skf18("6","6","4","2","6","8","1") = "7"
    & skf18("6","6","4","2","6","9","1") = "8"
    & skf18("6","6","4","2","6","10","1") = "9"
    & skf18("6","6","4","2","7","1","1") = "6"
    & skf18("6","6","4","2","7","2","1") = "6"
    & skf18("6","6","4","2","7","3","1") = "6"
    & skf18("6","6","4","2","7","4","1") = "6"
    & skf18("6","6","4","2","7","5","1") = "6"
    & skf18("6","6","4","2","7","6","1") = "6"
    & skf18("6","6","4","2","7","7","1") = "6"
    & skf18("6","6","4","2","7","8","1") = "7"
    & skf18("6","6","4","2","7","9","1") = "8"
    & skf18("6","6","4","2","7","10","1") = "9"
    & skf18("6","6","4","2","8","1","1") = "7"
    & skf18("6","6","4","2","8","2","1") = "7"
    & skf18("6","6","4","2","8","3","1") = "7"
    & skf18("6","6","4","2","8","4","1") = "7"
    & skf18("6","6","4","2","8","5","1") = "7"
    & skf18("6","6","4","2","8","6","1") = "7"
    & skf18("6","6","4","2","8","7","1") = "7"
    & skf18("6","6","4","2","8","8","1") = "7"
    & skf18("6","6","4","2","8","9","1") = "8"
    & skf18("6","6","4","2","8","10","1") = "9"
    & skf18("6","6","4","2","9","1","1") = "8"
    & skf18("6","6","4","2","9","2","1") = "8"
    & skf18("6","6","4","2","9","3","1") = "8"
    & skf18("6","6","4","2","9","4","1") = "8"
    & skf18("6","6","4","2","9","5","1") = "8"
    & skf18("6","6","4","2","9","6","1") = "8"
    & skf18("6","6","4","2","9","7","1") = "8"
    & skf18("6","6","4","2","9","8","1") = "8"
    & skf18("6","6","4","2","9","9","1") = "8"
    & skf18("6","6","4","2","9","10","1") = "9"
    & skf18("6","6","4","2","10","1","1") = "9"
    & skf18("6","6","4","2","10","2","1") = "9"
    & skf18("6","6","4","2","10","3","1") = "9"
    & skf18("6","6","4","2","10","4","1") = "9"
    & skf18("6","6","4","2","10","5","1") = "9"
    & skf18("6","6","4","2","10","6","1") = "9"
    & skf18("6","6","4","2","10","7","1") = "9"
    & skf18("6","6","4","2","10","8","1") = "9"
    & skf18("6","6","4","2","10","9","1") = "9"
    & skf18("6","6","4","2","10","10","1") = "9"
    & skf18("6","6","4","3","1","1","1") = "5"
    & skf18("6","6","4","3","1","2","1") = "5"
    & skf18("6","6","4","3","1","3","1") = "5"
    & skf18("6","6","4","3","1","4","1") = "5"
    & skf18("6","6","4","3","1","5","1") = "5"
    & skf18("6","6","4","3","1","6","1") = "5"
    & skf18("6","6","4","3","1","7","1") = "6"
    & skf18("6","6","4","3","1","8","1") = "7"
    & skf18("6","6","4","3","1","9","1") = "8"
    & skf18("6","6","4","3","1","10","1") = "9"
    & skf18("6","6","4","3","2","1","1") = "5"
    & skf18("6","6","4","3","2","2","1") = "5"
    & skf18("6","6","4","3","2","3","1") = "5"
    & skf18("6","6","4","3","2","4","1") = "5"
    & skf18("6","6","4","3","2","5","1") = "5"
    & skf18("6","6","4","3","2","6","1") = "5"
    & skf18("6","6","4","3","2","7","1") = "6"
    & skf18("6","6","4","3","2","8","1") = "7"
    & skf18("6","6","4","3","2","9","1") = "8"
    & skf18("6","6","4","3","2","10","1") = "9"
    & skf18("6","6","4","3","3","1","1") = "5"
    & skf18("6","6","4","3","3","2","1") = "5"
    & skf18("6","6","4","3","3","3","1") = "5"
    & skf18("6","6","4","3","3","4","1") = "5"
    & skf18("6","6","4","3","3","5","1") = "5"
    & skf18("6","6","4","3","3","6","1") = "5"
    & skf18("6","6","4","3","3","7","1") = "6"
    & skf18("6","6","4","3","3","8","1") = "7"
    & skf18("6","6","4","3","3","9","1") = "8"
    & skf18("6","6","4","3","3","10","1") = "9"
    & skf18("6","6","4","3","4","1","1") = "5"
    & skf18("6","6","4","3","4","2","1") = "5"
    & skf18("6","6","4","3","4","3","1") = "5"
    & skf18("6","6","4","3","4","4","1") = "5"
    & skf18("6","6","4","3","4","5","1") = "5"
    & skf18("6","6","4","3","4","6","1") = "5"
    & skf18("6","6","4","3","4","7","1") = "6"
    & skf18("6","6","4","3","4","8","1") = "7"
    & skf18("6","6","4","3","4","9","1") = "8"
    & skf18("6","6","4","3","4","10","1") = "9"
    & skf18("6","6","4","3","5","1","1") = "5"
    & skf18("6","6","4","3","5","2","1") = "5"
    & skf18("6","6","4","3","5","3","1") = "5"
    & skf18("6","6","4","3","5","4","1") = "5"
    & skf18("6","6","4","3","5","5","1") = "5"
    & skf18("6","6","4","3","5","6","1") = "5"
    & skf18("6","6","4","3","5","7","1") = "6"
    & skf18("6","6","4","3","5","8","1") = "7"
    & skf18("6","6","4","3","5","9","1") = "8"
    & skf18("6","6","4","3","5","10","1") = "9"
    & skf18("6","6","4","3","6","1","1") = "5"
    & skf18("6","6","4","3","6","2","1") = "5"
    & skf18("6","6","4","3","6","3","1") = "5"
    & skf18("6","6","4","3","6","4","1") = "5"
    & skf18("6","6","4","3","6","5","1") = "5"
    & skf18("6","6","4","3","6","6","1") = "5"
    & skf18("6","6","4","3","6","7","1") = "6"
    & skf18("6","6","4","3","6","8","1") = "7"
    & skf18("6","6","4","3","6","9","1") = "8"
    & skf18("6","6","4","3","6","10","1") = "9"
    & skf18("6","6","4","3","7","1","1") = "6"
    & skf18("6","6","4","3","7","2","1") = "6"
    & skf18("6","6","4","3","7","3","1") = "6"
    & skf18("6","6","4","3","7","4","1") = "6"
    & skf18("6","6","4","3","7","5","1") = "6"
    & skf18("6","6","4","3","7","6","1") = "6"
    & skf18("6","6","4","3","7","7","1") = "6"
    & skf18("6","6","4","3","7","8","1") = "7"
    & skf18("6","6","4","3","7","9","1") = "8"
    & skf18("6","6","4","3","7","10","1") = "9"
    & skf18("6","6","4","3","8","1","1") = "7"
    & skf18("6","6","4","3","8","2","1") = "7"
    & skf18("6","6","4","3","8","3","1") = "7"
    & skf18("6","6","4","3","8","4","1") = "7"
    & skf18("6","6","4","3","8","5","1") = "7"
    & skf18("6","6","4","3","8","6","1") = "7"
    & skf18("6","6","4","3","8","7","1") = "7"
    & skf18("6","6","4","3","8","8","1") = "7"
    & skf18("6","6","4","3","8","9","1") = "8"
    & skf18("6","6","4","3","8","10","1") = "9"
    & skf18("6","6","4","3","9","1","1") = "8"
    & skf18("6","6","4","3","9","2","1") = "8"
    & skf18("6","6","4","3","9","3","1") = "8"
    & skf18("6","6","4","3","9","4","1") = "8"
    & skf18("6","6","4","3","9","5","1") = "8"
    & skf18("6","6","4","3","9","6","1") = "8"
    & skf18("6","6","4","3","9","7","1") = "8"
    & skf18("6","6","4","3","9","8","1") = "8"
    & skf18("6","6","4","3","9","9","1") = "8"
    & skf18("6","6","4","3","9","10","1") = "9"
    & skf18("6","6","4","3","10","1","1") = "9"
    & skf18("6","6","4","3","10","2","1") = "9"
    & skf18("6","6","4","3","10","3","1") = "9"
    & skf18("6","6","4","3","10","4","1") = "9"
    & skf18("6","6","4","3","10","5","1") = "9"
    & skf18("6","6","4","3","10","6","1") = "9"
    & skf18("6","6","4","3","10","7","1") = "9"
    & skf18("6","6","4","3","10","8","1") = "9"
    & skf18("6","6","4","3","10","9","1") = "9"
    & skf18("6","6","4","3","10","10","1") = "9"
    & skf18("6","6","4","4","1","1","1") = "5"
    & skf18("6","6","4","4","1","2","1") = "5"
    & skf18("6","6","4","4","1","3","1") = "5"
    & skf18("6","6","4","4","1","4","1") = "5"
    & skf18("6","6","4","4","1","5","1") = "5"
    & skf18("6","6","4","4","1","6","1") = "5"
    & skf18("6","6","4","4","1","7","1") = "6"
    & skf18("6","6","4","4","1","8","1") = "7"
    & skf18("6","6","4","4","1","9","1") = "8"
    & skf18("6","6","4","4","1","10","1") = "9"
    & skf18("6","6","4","4","2","1","1") = "5"
    & skf18("6","6","4","4","2","2","1") = "5"
    & skf18("6","6","4","4","2","3","1") = "5"
    & skf18("6","6","4","4","2","4","1") = "5"
    & skf18("6","6","4","4","2","5","1") = "5"
    & skf18("6","6","4","4","2","6","1") = "5"
    & skf18("6","6","4","4","2","7","1") = "6"
    & skf18("6","6","4","4","2","8","1") = "7"
    & skf18("6","6","4","4","2","9","1") = "8"
    & skf18("6","6","4","4","2","10","1") = "9"
    & skf18("6","6","4","4","3","1","1") = "5"
    & skf18("6","6","4","4","3","2","1") = "5"
    & skf18("6","6","4","4","3","3","1") = "5"
    & skf18("6","6","4","4","3","4","1") = "5"
    & skf18("6","6","4","4","3","5","1") = "5"
    & skf18("6","6","4","4","3","6","1") = "5"
    & skf18("6","6","4","4","3","7","1") = "6"
    & skf18("6","6","4","4","3","8","1") = "7"
    & skf18("6","6","4","4","3","9","1") = "8"
    & skf18("6","6","4","4","3","10","1") = "9"
    & skf18("6","6","4","4","4","1","1") = "5"
    & skf18("6","6","4","4","4","2","1") = "5"
    & skf18("6","6","4","4","4","3","1") = "5"
    & skf18("6","6","4","4","4","4","1") = "5"
    & skf18("6","6","4","4","4","5","1") = "5"
    & skf18("6","6","4","4","4","6","1") = "5"
    & skf18("6","6","4","4","4","7","1") = "6"
    & skf18("6","6","4","4","4","8","1") = "7"
    & skf18("6","6","4","4","4","9","1") = "8"
    & skf18("6","6","4","4","4","10","1") = "9"
    & skf18("6","6","4","4","5","1","1") = "5"
    & skf18("6","6","4","4","5","2","1") = "5"
    & skf18("6","6","4","4","5","3","1") = "5"
    & skf18("6","6","4","4","5","4","1") = "5"
    & skf18("6","6","4","4","5","5","1") = "5"
    & skf18("6","6","4","4","5","6","1") = "5"
    & skf18("6","6","4","4","5","7","1") = "6"
    & skf18("6","6","4","4","5","8","1") = "7"
    & skf18("6","6","4","4","5","9","1") = "8"
    & skf18("6","6","4","4","5","10","1") = "9"
    & skf18("6","6","4","4","6","1","1") = "5"
    & skf18("6","6","4","4","6","2","1") = "5"
    & skf18("6","6","4","4","6","3","1") = "5"
    & skf18("6","6","4","4","6","4","1") = "5"
    & skf18("6","6","4","4","6","5","1") = "5"
    & skf18("6","6","4","4","6","6","1") = "5"
    & skf18("6","6","4","4","6","7","1") = "6"
    & skf18("6","6","4","4","6","8","1") = "7"
    & skf18("6","6","4","4","6","9","1") = "8"
    & skf18("6","6","4","4","6","10","1") = "9"
    & skf18("6","6","4","4","7","1","1") = "6"
    & skf18("6","6","4","4","7","2","1") = "6"
    & skf18("6","6","4","4","7","3","1") = "6"
    & skf18("6","6","4","4","7","4","1") = "6"
    & skf18("6","6","4","4","7","5","1") = "6"
    & skf18("6","6","4","4","7","6","1") = "6"
    & skf18("6","6","4","4","7","7","1") = "6"
    & skf18("6","6","4","4","7","8","1") = "7"
    & skf18("6","6","4","4","7","9","1") = "8"
    & skf18("6","6","4","4","7","10","1") = "9"
    & skf18("6","6","4","4","8","1","1") = "7"
    & skf18("6","6","4","4","8","2","1") = "7"
    & skf18("6","6","4","4","8","3","1") = "7"
    & skf18("6","6","4","4","8","4","1") = "7"
    & skf18("6","6","4","4","8","5","1") = "7"
    & skf18("6","6","4","4","8","6","1") = "7"
    & skf18("6","6","4","4","8","7","1") = "7"
    & skf18("6","6","4","4","8","8","1") = "7"
    & skf18("6","6","4","4","8","9","1") = "8"
    & skf18("6","6","4","4","8","10","1") = "9"
    & skf18("6","6","4","4","9","1","1") = "8"
    & skf18("6","6","4","4","9","2","1") = "8"
    & skf18("6","6","4","4","9","3","1") = "8"
    & skf18("6","6","4","4","9","4","1") = "8"
    & skf18("6","6","4","4","9","5","1") = "8"
    & skf18("6","6","4","4","9","6","1") = "8"
    & skf18("6","6","4","4","9","7","1") = "8"
    & skf18("6","6","4","4","9","8","1") = "8"
    & skf18("6","6","4","4","9","9","1") = "8"
    & skf18("6","6","4","4","9","10","1") = "9"
    & skf18("6","6","4","4","10","1","1") = "9"
    & skf18("6","6","4","4","10","2","1") = "9"
    & skf18("6","6","4","4","10","3","1") = "9"
    & skf18("6","6","4","4","10","4","1") = "9"
    & skf18("6","6","4","4","10","5","1") = "9"
    & skf18("6","6","4","4","10","6","1") = "9"
    & skf18("6","6","4","4","10","7","1") = "9"
    & skf18("6","6","4","4","10","8","1") = "9"
    & skf18("6","6","4","4","10","9","1") = "9"
    & skf18("6","6","4","4","10","10","1") = "9"
    & skf18("6","6","4","5","1","1","1") = "5"
    & skf18("6","6","4","5","1","2","1") = "5"
    & skf18("6","6","4","5","1","3","1") = "5"
    & skf18("6","6","4","5","1","4","1") = "5"
    & skf18("6","6","4","5","1","5","1") = "5"
    & skf18("6","6","4","5","1","6","1") = "5"
    & skf18("6","6","4","5","1","7","1") = "6"
    & skf18("6","6","4","5","1","8","1") = "7"
    & skf18("6","6","4","5","1","9","1") = "8"
    & skf18("6","6","4","5","1","10","1") = "9"
    & skf18("6","6","4","5","2","1","1") = "5"
    & skf18("6","6","4","5","2","2","1") = "5"
    & skf18("6","6","4","5","2","3","1") = "5"
    & skf18("6","6","4","5","2","4","1") = "5"
    & skf18("6","6","4","5","2","5","1") = "5"
    & skf18("6","6","4","5","2","6","1") = "5"
    & skf18("6","6","4","5","2","7","1") = "6"
    & skf18("6","6","4","5","2","8","1") = "7"
    & skf18("6","6","4","5","2","9","1") = "8"
    & skf18("6","6","4","5","2","10","1") = "9"
    & skf18("6","6","4","5","3","1","1") = "5"
    & skf18("6","6","4","5","3","2","1") = "5"
    & skf18("6","6","4","5","3","3","1") = "5"
    & skf18("6","6","4","5","3","4","1") = "5"
    & skf18("6","6","4","5","3","5","1") = "5"
    & skf18("6","6","4","5","3","6","1") = "5"
    & skf18("6","6","4","5","3","7","1") = "6"
    & skf18("6","6","4","5","3","8","1") = "7"
    & skf18("6","6","4","5","3","9","1") = "8"
    & skf18("6","6","4","5","3","10","1") = "9"
    & skf18("6","6","4","5","4","1","1") = "5"
    & skf18("6","6","4","5","4","2","1") = "5"
    & skf18("6","6","4","5","4","3","1") = "5"
    & skf18("6","6","4","5","4","4","1") = "5"
    & skf18("6","6","4","5","4","5","1") = "5"
    & skf18("6","6","4","5","4","6","1") = "5"
    & skf18("6","6","4","5","4","7","1") = "6"
    & skf18("6","6","4","5","4","8","1") = "7"
    & skf18("6","6","4","5","4","9","1") = "8"
    & skf18("6","6","4","5","4","10","1") = "9"
    & skf18("6","6","4","5","5","1","1") = "5"
    & skf18("6","6","4","5","5","2","1") = "5"
    & skf18("6","6","4","5","5","3","1") = "5"
    & skf18("6","6","4","5","5","4","1") = "5"
    & skf18("6","6","4","5","5","5","1") = "5"
    & skf18("6","6","4","5","5","6","1") = "5"
    & skf18("6","6","4","5","5","7","1") = "6"
    & skf18("6","6","4","5","5","8","1") = "7"
    & skf18("6","6","4","5","5","9","1") = "8"
    & skf18("6","6","4","5","5","10","1") = "9"
    & skf18("6","6","4","5","6","1","1") = "5"
    & skf18("6","6","4","5","6","2","1") = "5"
    & skf18("6","6","4","5","6","3","1") = "5"
    & skf18("6","6","4","5","6","4","1") = "5"
    & skf18("6","6","4","5","6","5","1") = "5"
    & skf18("6","6","4","5","6","6","1") = "5"
    & skf18("6","6","4","5","6","7","1") = "6"
    & skf18("6","6","4","5","6","8","1") = "7"
    & skf18("6","6","4","5","6","9","1") = "8"
    & skf18("6","6","4","5","6","10","1") = "9"
    & skf18("6","6","4","5","7","1","1") = "6"
    & skf18("6","6","4","5","7","2","1") = "6"
    & skf18("6","6","4","5","7","3","1") = "6"
    & skf18("6","6","4","5","7","4","1") = "6"
    & skf18("6","6","4","5","7","5","1") = "6"
    & skf18("6","6","4","5","7","6","1") = "6"
    & skf18("6","6","4","5","7","7","1") = "6"
    & skf18("6","6","4","5","7","8","1") = "7"
    & skf18("6","6","4","5","7","9","1") = "8"
    & skf18("6","6","4","5","7","10","1") = "9"
    & skf18("6","6","4","5","8","1","1") = "7"
    & skf18("6","6","4","5","8","2","1") = "7"
    & skf18("6","6","4","5","8","3","1") = "7"
    & skf18("6","6","4","5","8","4","1") = "7"
    & skf18("6","6","4","5","8","5","1") = "7"
    & skf18("6","6","4","5","8","6","1") = "7"
    & skf18("6","6","4","5","8","7","1") = "7"
    & skf18("6","6","4","5","8","8","1") = "7"
    & skf18("6","6","4","5","8","9","1") = "8"
    & skf18("6","6","4","5","8","10","1") = "9"
    & skf18("6","6","4","5","9","1","1") = "8"
    & skf18("6","6","4","5","9","2","1") = "8"
    & skf18("6","6","4","5","9","3","1") = "8"
    & skf18("6","6","4","5","9","4","1") = "8"
    & skf18("6","6","4","5","9","5","1") = "8"
    & skf18("6","6","4","5","9","6","1") = "8"
    & skf18("6","6","4","5","9","7","1") = "8"
    & skf18("6","6","4","5","9","8","1") = "8"
    & skf18("6","6","4","5","9","9","1") = "8"
    & skf18("6","6","4","5","9","10","1") = "9"
    & skf18("6","6","4","5","10","1","1") = "9"
    & skf18("6","6","4","5","10","2","1") = "9"
    & skf18("6","6","4","5","10","3","1") = "9"
    & skf18("6","6","4","5","10","4","1") = "9"
    & skf18("6","6","4","5","10","5","1") = "9"
    & skf18("6","6","4","5","10","6","1") = "9"
    & skf18("6","6","4","5","10","7","1") = "9"
    & skf18("6","6","4","5","10","8","1") = "9"
    & skf18("6","6","4","5","10","9","1") = "9"
    & skf18("6","6","4","5","10","10","1") = "9"
    & skf18("6","6","4","6","1","1","1") = "5"
    & skf18("6","6","4","6","1","2","1") = "5"
    & skf18("6","6","4","6","1","3","1") = "5"
    & skf18("6","6","4","6","1","4","1") = "5"
    & skf18("6","6","4","6","1","5","1") = "5"
    & skf18("6","6","4","6","1","6","1") = "5"
    & skf18("6","6","4","6","1","7","1") = "6"
    & skf18("6","6","4","6","1","8","1") = "7"
    & skf18("6","6","4","6","1","9","1") = "8"
    & skf18("6","6","4","6","1","10","1") = "9"
    & skf18("6","6","4","6","2","1","1") = "5"
    & skf18("6","6","4","6","2","2","1") = "5"
    & skf18("6","6","4","6","2","3","1") = "5"
    & skf18("6","6","4","6","2","4","1") = "5"
    & skf18("6","6","4","6","2","5","1") = "5"
    & skf18("6","6","4","6","2","6","1") = "5"
    & skf18("6","6","4","6","2","7","1") = "6"
    & skf18("6","6","4","6","2","8","1") = "7"
    & skf18("6","6","4","6","2","9","1") = "8"
    & skf18("6","6","4","6","2","10","1") = "9"
    & skf18("6","6","4","6","3","1","1") = "5"
    & skf18("6","6","4","6","3","2","1") = "5"
    & skf18("6","6","4","6","3","3","1") = "5"
    & skf18("6","6","4","6","3","4","1") = "5"
    & skf18("6","6","4","6","3","5","1") = "5"
    & skf18("6","6","4","6","3","6","1") = "5"
    & skf18("6","6","4","6","3","7","1") = "6"
    & skf18("6","6","4","6","3","8","1") = "7"
    & skf18("6","6","4","6","3","9","1") = "8"
    & skf18("6","6","4","6","3","10","1") = "9"
    & skf18("6","6","4","6","4","1","1") = "5"
    & skf18("6","6","4","6","4","2","1") = "5"
    & skf18("6","6","4","6","4","3","1") = "5"
    & skf18("6","6","4","6","4","4","1") = "5"
    & skf18("6","6","4","6","4","5","1") = "5"
    & skf18("6","6","4","6","4","6","1") = "5"
    & skf18("6","6","4","6","4","7","1") = "6"
    & skf18("6","6","4","6","4","8","1") = "7"
    & skf18("6","6","4","6","4","9","1") = "8"
    & skf18("6","6","4","6","4","10","1") = "9"
    & skf18("6","6","4","6","5","1","1") = "5"
    & skf18("6","6","4","6","5","2","1") = "5"
    & skf18("6","6","4","6","5","3","1") = "5"
    & skf18("6","6","4","6","5","4","1") = "5"
    & skf18("6","6","4","6","5","5","1") = "5"
    & skf18("6","6","4","6","5","6","1") = "5"
    & skf18("6","6","4","6","5","7","1") = "6"
    & skf18("6","6","4","6","5","8","1") = "7"
    & skf18("6","6","4","6","5","9","1") = "8"
    & skf18("6","6","4","6","5","10","1") = "9"
    & skf18("6","6","4","6","6","1","1") = "5"
    & skf18("6","6","4","6","6","2","1") = "5"
    & skf18("6","6","4","6","6","3","1") = "5"
    & skf18("6","6","4","6","6","4","1") = "5"
    & skf18("6","6","4","6","6","5","1") = "5"
    & skf18("6","6","4","6","6","6","1") = "5"
    & skf18("6","6","4","6","6","7","1") = "6"
    & skf18("6","6","4","6","6","8","1") = "7"
    & skf18("6","6","4","6","6","9","1") = "8"
    & skf18("6","6","4","6","6","10","1") = "9"
    & skf18("6","6","4","6","7","1","1") = "6"
    & skf18("6","6","4","6","7","2","1") = "6"
    & skf18("6","6","4","6","7","3","1") = "6"
    & skf18("6","6","4","6","7","4","1") = "6"
    & skf18("6","6","4","6","7","5","1") = "6"
    & skf18("6","6","4","6","7","6","1") = "6"
    & skf18("6","6","4","6","7","7","1") = "6"
    & skf18("6","6","4","6","7","8","1") = "7"
    & skf18("6","6","4","6","7","9","1") = "8"
    & skf18("6","6","4","6","7","10","1") = "9"
    & skf18("6","6","4","6","8","1","1") = "7"
    & skf18("6","6","4","6","8","2","1") = "7"
    & skf18("6","6","4","6","8","3","1") = "7"
    & skf18("6","6","4","6","8","4","1") = "7"
    & skf18("6","6","4","6","8","5","1") = "7"
    & skf18("6","6","4","6","8","6","1") = "7"
    & skf18("6","6","4","6","8","7","1") = "7"
    & skf18("6","6","4","6","8","8","1") = "7"
    & skf18("6","6","4","6","8","9","1") = "8"
    & skf18("6","6","4","6","8","10","1") = "9"
    & skf18("6","6","4","6","9","1","1") = "8"
    & skf18("6","6","4","6","9","2","1") = "8"
    & skf18("6","6","4","6","9","3","1") = "8"
    & skf18("6","6","4","6","9","4","1") = "8"
    & skf18("6","6","4","6","9","5","1") = "8"
    & skf18("6","6","4","6","9","6","1") = "8"
    & skf18("6","6","4","6","9","7","1") = "8"
    & skf18("6","6","4","6","9","8","1") = "8"
    & skf18("6","6","4","6","9","9","1") = "8"
    & skf18("6","6","4","6","9","10","1") = "9"
    & skf18("6","6","4","6","10","1","1") = "9"
    & skf18("6","6","4","6","10","2","1") = "9"
    & skf18("6","6","4","6","10","3","1") = "9"
    & skf18("6","6","4","6","10","4","1") = "9"
    & skf18("6","6","4","6","10","5","1") = "9"
    & skf18("6","6","4","6","10","6","1") = "9"
    & skf18("6","6","4","6","10","7","1") = "9"
    & skf18("6","6","4","6","10","8","1") = "9"
    & skf18("6","6","4","6","10","9","1") = "9"
    & skf18("6","6","4","6","10","10","1") = "9"
    & skf18("6","6","4","7","1","1","1") = "6"
    & skf18("6","6","4","7","1","2","1") = "6"
    & skf18("6","6","4","7","1","3","1") = "6"
    & skf18("6","6","4","7","1","4","1") = "6"
    & skf18("6","6","4","7","1","5","1") = "6"
    & skf18("6","6","4","7","1","6","1") = "6"
    & skf18("6","6","4","7","1","7","1") = "6"
    & skf18("6","6","4","7","1","8","1") = "7"
    & skf18("6","6","4","7","1","9","1") = "8"
    & skf18("6","6","4","7","1","10","1") = "9"
    & skf18("6","6","4","7","2","1","1") = "6"
    & skf18("6","6","4","7","2","2","1") = "6"
    & skf18("6","6","4","7","2","3","1") = "6"
    & skf18("6","6","4","7","2","4","1") = "6"
    & skf18("6","6","4","7","2","5","1") = "6"
    & skf18("6","6","4","7","2","6","1") = "6"
    & skf18("6","6","4","7","2","7","1") = "6"
    & skf18("6","6","4","7","2","8","1") = "7"
    & skf18("6","6","4","7","2","9","1") = "8"
    & skf18("6","6","4","7","2","10","1") = "9"
    & skf18("6","6","4","7","3","1","1") = "6"
    & skf18("6","6","4","7","3","2","1") = "6"
    & skf18("6","6","4","7","3","3","1") = "6"
    & skf18("6","6","4","7","3","4","1") = "6"
    & skf18("6","6","4","7","3","5","1") = "6"
    & skf18("6","6","4","7","3","6","1") = "6"
    & skf18("6","6","4","7","3","7","1") = "6"
    & skf18("6","6","4","7","3","8","1") = "7"
    & skf18("6","6","4","7","3","9","1") = "8"
    & skf18("6","6","4","7","3","10","1") = "9"
    & skf18("6","6","4","7","4","1","1") = "6"
    & skf18("6","6","4","7","4","2","1") = "6"
    & skf18("6","6","4","7","4","3","1") = "6"
    & skf18("6","6","4","7","4","4","1") = "6"
    & skf18("6","6","4","7","4","5","1") = "6"
    & skf18("6","6","4","7","4","6","1") = "6"
    & skf18("6","6","4","7","4","7","1") = "6"
    & skf18("6","6","4","7","4","8","1") = "7"
    & skf18("6","6","4","7","4","9","1") = "8"
    & skf18("6","6","4","7","4","10","1") = "9"
    & skf18("6","6","4","7","5","1","1") = "6"
    & skf18("6","6","4","7","5","2","1") = "6"
    & skf18("6","6","4","7","5","3","1") = "6"
    & skf18("6","6","4","7","5","4","1") = "6"
    & skf18("6","6","4","7","5","5","1") = "6"
    & skf18("6","6","4","7","5","6","1") = "6"
    & skf18("6","6","4","7","5","7","1") = "6"
    & skf18("6","6","4","7","5","8","1") = "7"
    & skf18("6","6","4","7","5","9","1") = "8"
    & skf18("6","6","4","7","5","10","1") = "9"
    & skf18("6","6","4","7","6","1","1") = "6"
    & skf18("6","6","4","7","6","2","1") = "6"
    & skf18("6","6","4","7","6","3","1") = "6"
    & skf18("6","6","4","7","6","4","1") = "6"
    & skf18("6","6","4","7","6","5","1") = "6"
    & skf18("6","6","4","7","6","6","1") = "6"
    & skf18("6","6","4","7","6","7","1") = "6"
    & skf18("6","6","4","7","6","8","1") = "7"
    & skf18("6","6","4","7","6","9","1") = "8"
    & skf18("6","6","4","7","6","10","1") = "9"
    & skf18("6","6","4","7","7","1","1") = "6"
    & skf18("6","6","4","7","7","2","1") = "6"
    & skf18("6","6","4","7","7","3","1") = "6"
    & skf18("6","6","4","7","7","4","1") = "6"
    & skf18("6","6","4","7","7","5","1") = "6"
    & skf18("6","6","4","7","7","6","1") = "6"
    & skf18("6","6","4","7","7","7","1") = "6"
    & skf18("6","6","4","7","7","8","1") = "7"
    & skf18("6","6","4","7","7","9","1") = "8"
    & skf18("6","6","4","7","7","10","1") = "9"
    & skf18("6","6","4","7","8","1","1") = "7"
    & skf18("6","6","4","7","8","2","1") = "7"
    & skf18("6","6","4","7","8","3","1") = "7"
    & skf18("6","6","4","7","8","4","1") = "7"
    & skf18("6","6","4","7","8","5","1") = "7"
    & skf18("6","6","4","7","8","6","1") = "7"
    & skf18("6","6","4","7","8","7","1") = "7"
    & skf18("6","6","4","7","8","8","1") = "7"
    & skf18("6","6","4","7","8","9","1") = "8"
    & skf18("6","6","4","7","8","10","1") = "9"
    & skf18("6","6","4","7","9","1","1") = "8"
    & skf18("6","6","4","7","9","2","1") = "8"
    & skf18("6","6","4","7","9","3","1") = "8"
    & skf18("6","6","4","7","9","4","1") = "8"
    & skf18("6","6","4","7","9","5","1") = "8"
    & skf18("6","6","4","7","9","6","1") = "8"
    & skf18("6","6","4","7","9","7","1") = "8"
    & skf18("6","6","4","7","9","8","1") = "8"
    & skf18("6","6","4","7","9","9","1") = "8"
    & skf18("6","6","4","7","9","10","1") = "9"
    & skf18("6","6","4","7","10","1","1") = "9"
    & skf18("6","6","4","7","10","2","1") = "9"
    & skf18("6","6","4","7","10","3","1") = "9"
    & skf18("6","6","4","7","10","4","1") = "9"
    & skf18("6","6","4","7","10","5","1") = "9"
    & skf18("6","6","4","7","10","6","1") = "9"
    & skf18("6","6","4","7","10","7","1") = "9"
    & skf18("6","6","4","7","10","8","1") = "9"
    & skf18("6","6","4","7","10","9","1") = "9"
    & skf18("6","6","4","7","10","10","1") = "9"
    & skf18("6","6","4","8","1","1","1") = "7"
    & skf18("6","6","4","8","1","2","1") = "7"
    & skf18("6","6","4","8","1","3","1") = "7"
    & skf18("6","6","4","8","1","4","1") = "7"
    & skf18("6","6","4","8","1","5","1") = "7"
    & skf18("6","6","4","8","1","6","1") = "7"
    & skf18("6","6","4","8","1","7","1") = "7"
    & skf18("6","6","4","8","1","8","1") = "7"
    & skf18("6","6","4","8","1","9","1") = "8"
    & skf18("6","6","4","8","1","10","1") = "9"
    & skf18("6","6","4","8","2","1","1") = "7"
    & skf18("6","6","4","8","2","2","1") = "7"
    & skf18("6","6","4","8","2","3","1") = "7"
    & skf18("6","6","4","8","2","4","1") = "7"
    & skf18("6","6","4","8","2","5","1") = "7"
    & skf18("6","6","4","8","2","6","1") = "7"
    & skf18("6","6","4","8","2","7","1") = "7"
    & skf18("6","6","4","8","2","8","1") = "7"
    & skf18("6","6","4","8","2","9","1") = "8"
    & skf18("6","6","4","8","2","10","1") = "9"
    & skf18("6","6","4","8","3","1","1") = "7"
    & skf18("6","6","4","8","3","2","1") = "7"
    & skf18("6","6","4","8","3","3","1") = "7"
    & skf18("6","6","4","8","3","4","1") = "7"
    & skf18("6","6","4","8","3","5","1") = "7"
    & skf18("6","6","4","8","3","6","1") = "7"
    & skf18("6","6","4","8","3","7","1") = "7"
    & skf18("6","6","4","8","3","8","1") = "7"
    & skf18("6","6","4","8","3","9","1") = "8"
    & skf18("6","6","4","8","3","10","1") = "9"
    & skf18("6","6","4","8","4","1","1") = "7"
    & skf18("6","6","4","8","4","2","1") = "7"
    & skf18("6","6","4","8","4","3","1") = "7"
    & skf18("6","6","4","8","4","4","1") = "7"
    & skf18("6","6","4","8","4","5","1") = "7"
    & skf18("6","6","4","8","4","6","1") = "7"
    & skf18("6","6","4","8","4","7","1") = "7"
    & skf18("6","6","4","8","4","8","1") = "7"
    & skf18("6","6","4","8","4","9","1") = "8"
    & skf18("6","6","4","8","4","10","1") = "9"
    & skf18("6","6","4","8","5","1","1") = "7"
    & skf18("6","6","4","8","5","2","1") = "7"
    & skf18("6","6","4","8","5","3","1") = "7"
    & skf18("6","6","4","8","5","4","1") = "7"
    & skf18("6","6","4","8","5","5","1") = "7"
    & skf18("6","6","4","8","5","6","1") = "7"
    & skf18("6","6","4","8","5","7","1") = "7"
    & skf18("6","6","4","8","5","8","1") = "7"
    & skf18("6","6","4","8","5","9","1") = "8"
    & skf18("6","6","4","8","5","10","1") = "9"
    & skf18("6","6","4","8","6","1","1") = "7"
    & skf18("6","6","4","8","6","2","1") = "7"
    & skf18("6","6","4","8","6","3","1") = "7"
    & skf18("6","6","4","8","6","4","1") = "7"
    & skf18("6","6","4","8","6","5","1") = "7"
    & skf18("6","6","4","8","6","6","1") = "7"
    & skf18("6","6","4","8","6","7","1") = "7"
    & skf18("6","6","4","8","6","8","1") = "7"
    & skf18("6","6","4","8","6","9","1") = "8"
    & skf18("6","6","4","8","6","10","1") = "9"
    & skf18("6","6","4","8","7","1","1") = "7"
    & skf18("6","6","4","8","7","2","1") = "7"
    & skf18("6","6","4","8","7","3","1") = "7"
    & skf18("6","6","4","8","7","4","1") = "7"
    & skf18("6","6","4","8","7","5","1") = "7"
    & skf18("6","6","4","8","7","6","1") = "7"
    & skf18("6","6","4","8","7","7","1") = "7"
    & skf18("6","6","4","8","7","8","1") = "7"
    & skf18("6","6","4","8","7","9","1") = "8"
    & skf18("6","6","4","8","7","10","1") = "9"
    & skf18("6","6","4","8","8","1","1") = "7"
    & skf18("6","6","4","8","8","2","1") = "7"
    & skf18("6","6","4","8","8","3","1") = "7"
    & skf18("6","6","4","8","8","4","1") = "7"
    & skf18("6","6","4","8","8","5","1") = "7"
    & skf18("6","6","4","8","8","6","1") = "7"
    & skf18("6","6","4","8","8","7","1") = "7"
    & skf18("6","6","4","8","8","8","1") = "7"
    & skf18("6","6","4","8","8","9","1") = "8"
    & skf18("6","6","4","8","8","10","1") = "9"
    & skf18("6","6","4","8","9","1","1") = "8"
    & skf18("6","6","4","8","9","2","1") = "8"
    & skf18("6","6","4","8","9","3","1") = "8"
    & skf18("6","6","4","8","9","4","1") = "8"
    & skf18("6","6","4","8","9","5","1") = "8"
    & skf18("6","6","4","8","9","6","1") = "8"
    & skf18("6","6","4","8","9","7","1") = "8"
    & skf18("6","6","4","8","9","8","1") = "8"
    & skf18("6","6","4","8","9","9","1") = "8"
    & skf18("6","6","4","8","9","10","1") = "9"
    & skf18("6","6","4","8","10","1","1") = "9"
    & skf18("6","6","4","8","10","2","1") = "9"
    & skf18("6","6","4","8","10","3","1") = "9"
    & skf18("6","6","4","8","10","4","1") = "9"
    & skf18("6","6","4","8","10","5","1") = "9"
    & skf18("6","6","4","8","10","6","1") = "9"
    & skf18("6","6","4","8","10","7","1") = "9"
    & skf18("6","6","4","8","10","8","1") = "9"
    & skf18("6","6","4","8","10","9","1") = "9"
    & skf18("6","6","4","8","10","10","1") = "9"
    & skf18("6","6","4","9","1","1","1") = "8"
    & skf18("6","6","4","9","1","2","1") = "8"
    & skf18("6","6","4","9","1","3","1") = "8"
    & skf18("6","6","4","9","1","4","1") = "8"
    & skf18("6","6","4","9","1","5","1") = "8"
    & skf18("6","6","4","9","1","6","1") = "8"
    & skf18("6","6","4","9","1","7","1") = "8"
    & skf18("6","6","4","9","1","8","1") = "8"
    & skf18("6","6","4","9","1","9","1") = "8"
    & skf18("6","6","4","9","1","10","1") = "9"
    & skf18("6","6","4","9","2","1","1") = "8"
    & skf18("6","6","4","9","2","2","1") = "8"
    & skf18("6","6","4","9","2","3","1") = "8"
    & skf18("6","6","4","9","2","4","1") = "8"
    & skf18("6","6","4","9","2","5","1") = "8"
    & skf18("6","6","4","9","2","6","1") = "8"
    & skf18("6","6","4","9","2","7","1") = "8"
    & skf18("6","6","4","9","2","8","1") = "8"
    & skf18("6","6","4","9","2","9","1") = "8"
    & skf18("6","6","4","9","2","10","1") = "9"
    & skf18("6","6","4","9","3","1","1") = "8"
    & skf18("6","6","4","9","3","2","1") = "8"
    & skf18("6","6","4","9","3","3","1") = "8"
    & skf18("6","6","4","9","3","4","1") = "8"
    & skf18("6","6","4","9","3","5","1") = "8"
    & skf18("6","6","4","9","3","6","1") = "8"
    & skf18("6","6","4","9","3","7","1") = "8"
    & skf18("6","6","4","9","3","8","1") = "8"
    & skf18("6","6","4","9","3","9","1") = "8"
    & skf18("6","6","4","9","3","10","1") = "9"
    & skf18("6","6","4","9","4","1","1") = "8"
    & skf18("6","6","4","9","4","2","1") = "8"
    & skf18("6","6","4","9","4","3","1") = "8"
    & skf18("6","6","4","9","4","4","1") = "8"
    & skf18("6","6","4","9","4","5","1") = "8"
    & skf18("6","6","4","9","4","6","1") = "8"
    & skf18("6","6","4","9","4","7","1") = "8"
    & skf18("6","6","4","9","4","8","1") = "8"
    & skf18("6","6","4","9","4","9","1") = "8"
    & skf18("6","6","4","9","4","10","1") = "9"
    & skf18("6","6","4","9","5","1","1") = "8"
    & skf18("6","6","4","9","5","2","1") = "8"
    & skf18("6","6","4","9","5","3","1") = "8"
    & skf18("6","6","4","9","5","4","1") = "8"
    & skf18("6","6","4","9","5","5","1") = "8"
    & skf18("6","6","4","9","5","6","1") = "8"
    & skf18("6","6","4","9","5","7","1") = "8"
    & skf18("6","6","4","9","5","8","1") = "8"
    & skf18("6","6","4","9","5","9","1") = "8"
    & skf18("6","6","4","9","5","10","1") = "9"
    & skf18("6","6","4","9","6","1","1") = "8"
    & skf18("6","6","4","9","6","2","1") = "8"
    & skf18("6","6","4","9","6","3","1") = "8"
    & skf18("6","6","4","9","6","4","1") = "8"
    & skf18("6","6","4","9","6","5","1") = "8"
    & skf18("6","6","4","9","6","6","1") = "8"
    & skf18("6","6","4","9","6","7","1") = "8"
    & skf18("6","6","4","9","6","8","1") = "8"
    & skf18("6","6","4","9","6","9","1") = "8"
    & skf18("6","6","4","9","6","10","1") = "9"
    & skf18("6","6","4","9","7","1","1") = "8"
    & skf18("6","6","4","9","7","2","1") = "8"
    & skf18("6","6","4","9","7","3","1") = "8"
    & skf18("6","6","4","9","7","4","1") = "8"
    & skf18("6","6","4","9","7","5","1") = "8"
    & skf18("6","6","4","9","7","6","1") = "8"
    & skf18("6","6","4","9","7","7","1") = "8"
    & skf18("6","6","4","9","7","8","1") = "8"
    & skf18("6","6","4","9","7","9","1") = "8"
    & skf18("6","6","4","9","7","10","1") = "9"
    & skf18("6","6","4","9","8","1","1") = "8"
    & skf18("6","6","4","9","8","2","1") = "8"
    & skf18("6","6","4","9","8","3","1") = "8"
    & skf18("6","6","4","9","8","4","1") = "8"
    & skf18("6","6","4","9","8","5","1") = "8"
    & skf18("6","6","4","9","8","6","1") = "8"
    & skf18("6","6","4","9","8","7","1") = "8"
    & skf18("6","6","4","9","8","8","1") = "8"
    & skf18("6","6","4","9","8","9","1") = "8"
    & skf18("6","6","4","9","8","10","1") = "9"
    & skf18("6","6","4","9","9","1","1") = "8"
    & skf18("6","6","4","9","9","2","1") = "8"
    & skf18("6","6","4","9","9","3","1") = "8"
    & skf18("6","6","4","9","9","4","1") = "8"
    & skf18("6","6","4","9","9","5","1") = "8"
    & skf18("6","6","4","9","9","6","1") = "8"
    & skf18("6","6","4","9","9","7","1") = "8"
    & skf18("6","6","4","9","9","8","1") = "8"
    & skf18("6","6","4","9","9","9","1") = "8"
    & skf18("6","6","4","9","9","10","1") = "9"
    & skf18("6","6","4","9","10","1","1") = "9"
    & skf18("6","6","4","9","10","2","1") = "9"
    & skf18("6","6","4","9","10","3","1") = "9"
    & skf18("6","6","4","9","10","4","1") = "9"
    & skf18("6","6","4","9","10","5","1") = "9"
    & skf18("6","6","4","9","10","6","1") = "9"
    & skf18("6","6","4","9","10","7","1") = "9"
    & skf18("6","6","4","9","10","8","1") = "9"
    & skf18("6","6","4","9","10","9","1") = "9"
    & skf18("6","6","4","9","10","10","1") = "9"
    & skf18("6","6","4","10","1","1","1") = "9"
    & skf18("6","6","4","10","1","2","1") = "9"
    & skf18("6","6","4","10","1","3","1") = "9"
    & skf18("6","6","4","10","1","4","1") = "9"
    & skf18("6","6","4","10","1","5","1") = "9"
    & skf18("6","6","4","10","1","6","1") = "9"
    & skf18("6","6","4","10","1","7","1") = "9"
    & skf18("6","6","4","10","1","8","1") = "9"
    & skf18("6","6","4","10","1","9","1") = "9"
    & skf18("6","6","4","10","1","10","1") = "9"
    & skf18("6","6","4","10","2","1","1") = "9"
    & skf18("6","6","4","10","2","2","1") = "9"
    & skf18("6","6","4","10","2","3","1") = "9"
    & skf18("6","6","4","10","2","4","1") = "9"
    & skf18("6","6","4","10","2","5","1") = "9"
    & skf18("6","6","4","10","2","6","1") = "9"
    & skf18("6","6","4","10","2","7","1") = "9"
    & skf18("6","6","4","10","2","8","1") = "9"
    & skf18("6","6","4","10","2","9","1") = "9"
    & skf18("6","6","4","10","2","10","1") = "9"
    & skf18("6","6","4","10","3","1","1") = "9"
    & skf18("6","6","4","10","3","2","1") = "9"
    & skf18("6","6","4","10","3","3","1") = "9"
    & skf18("6","6","4","10","3","4","1") = "9"
    & skf18("6","6","4","10","3","5","1") = "9"
    & skf18("6","6","4","10","3","6","1") = "9"
    & skf18("6","6","4","10","3","7","1") = "9"
    & skf18("6","6","4","10","3","8","1") = "9"
    & skf18("6","6","4","10","3","9","1") = "9"
    & skf18("6","6","4","10","3","10","1") = "9"
    & skf18("6","6","4","10","4","1","1") = "9"
    & skf18("6","6","4","10","4","2","1") = "9"
    & skf18("6","6","4","10","4","3","1") = "9"
    & skf18("6","6","4","10","4","4","1") = "9"
    & skf18("6","6","4","10","4","5","1") = "9"
    & skf18("6","6","4","10","4","6","1") = "9"
    & skf18("6","6","4","10","4","7","1") = "9"
    & skf18("6","6","4","10","4","8","1") = "9"
    & skf18("6","6","4","10","4","9","1") = "9"
    & skf18("6","6","4","10","4","10","1") = "9"
    & skf18("6","6","4","10","5","1","1") = "9"
    & skf18("6","6","4","10","5","2","1") = "9"
    & skf18("6","6","4","10","5","3","1") = "9"
    & skf18("6","6","4","10","5","4","1") = "9"
    & skf18("6","6","4","10","5","5","1") = "9"
    & skf18("6","6","4","10","5","6","1") = "9"
    & skf18("6","6","4","10","5","7","1") = "9"
    & skf18("6","6","4","10","5","8","1") = "9"
    & skf18("6","6","4","10","5","9","1") = "9"
    & skf18("6","6","4","10","5","10","1") = "9"
    & skf18("6","6","4","10","6","1","1") = "9"
    & skf18("6","6","4","10","6","2","1") = "9"
    & skf18("6","6","4","10","6","3","1") = "9"
    & skf18("6","6","4","10","6","4","1") = "9"
    & skf18("6","6","4","10","6","5","1") = "9"
    & skf18("6","6","4","10","6","6","1") = "9"
    & skf18("6","6","4","10","6","7","1") = "9"
    & skf18("6","6","4","10","6","8","1") = "9"
    & skf18("6","6","4","10","6","9","1") = "9"
    & skf18("6","6","4","10","6","10","1") = "9"
    & skf18("6","6","4","10","7","1","1") = "9"
    & skf18("6","6","4","10","7","2","1") = "9"
    & skf18("6","6","4","10","7","3","1") = "9"
    & skf18("6","6","4","10","7","4","1") = "9"
    & skf18("6","6","4","10","7","5","1") = "9"
    & skf18("6","6","4","10","7","6","1") = "9"
    & skf18("6","6","4","10","7","7","1") = "9"
    & skf18("6","6","4","10","7","8","1") = "9"
    & skf18("6","6","4","10","7","9","1") = "9"
    & skf18("6","6","4","10","7","10","1") = "9"
    & skf18("6","6","4","10","8","1","1") = "9"
    & skf18("6","6","4","10","8","2","1") = "9"
    & skf18("6","6","4","10","8","3","1") = "9"
    & skf18("6","6","4","10","8","4","1") = "9"
    & skf18("6","6","4","10","8","5","1") = "9"
    & skf18("6","6","4","10","8","6","1") = "9"
    & skf18("6","6","4","10","8","7","1") = "9"
    & skf18("6","6","4","10","8","8","1") = "9"
    & skf18("6","6","4","10","8","9","1") = "9"
    & skf18("6","6","4","10","8","10","1") = "9"
    & skf18("6","6","4","10","9","1","1") = "9"
    & skf18("6","6","4","10","9","2","1") = "9"
    & skf18("6","6","4","10","9","3","1") = "9"
    & skf18("6","6","4","10","9","4","1") = "9"
    & skf18("6","6","4","10","9","5","1") = "9"
    & skf18("6","6","4","10","9","6","1") = "9"
    & skf18("6","6","4","10","9","7","1") = "9"
    & skf18("6","6","4","10","9","8","1") = "9"
    & skf18("6","6","4","10","9","9","1") = "9"
    & skf18("6","6","4","10","9","10","1") = "9"
    & skf18("6","6","4","10","10","1","1") = "9"
    & skf18("6","6","4","10","10","2","1") = "9"
    & skf18("6","6","4","10","10","3","1") = "9"
    & skf18("6","6","4","10","10","4","1") = "9"
    & skf18("6","6","4","10","10","5","1") = "9"
    & skf18("6","6","4","10","10","6","1") = "9"
    & skf18("6","6","4","10","10","7","1") = "9"
    & skf18("6","6","4","10","10","8","1") = "9"
    & skf18("6","6","4","10","10","9","1") = "9"
    & skf18("6","6","4","10","10","10","1") = "9"
    & skf18("6","6","5","1","1","1","1") = "5"
    & skf18("6","6","5","1","1","2","1") = "5"
    & skf18("6","6","5","1","1","3","1") = "5"
    & skf18("6","6","5","1","1","4","1") = "5"
    & skf18("6","6","5","1","1","5","1") = "5"
    & skf18("6","6","5","1","1","6","1") = "5"
    & skf18("6","6","5","1","1","7","1") = "6"
    & skf18("6","6","5","1","1","8","1") = "7"
    & skf18("6","6","5","1","1","9","1") = "8"
    & skf18("6","6","5","1","1","10","1") = "9"
    & skf18("6","6","5","1","2","1","1") = "5"
    & skf18("6","6","5","1","2","2","1") = "5"
    & skf18("6","6","5","1","2","3","1") = "5"
    & skf18("6","6","5","1","2","4","1") = "5"
    & skf18("6","6","5","1","2","5","1") = "5"
    & skf18("6","6","5","1","2","6","1") = "5"
    & skf18("6","6","5","1","2","7","1") = "6"
    & skf18("6","6","5","1","2","8","1") = "7"
    & skf18("6","6","5","1","2","9","1") = "8"
    & skf18("6","6","5","1","2","10","1") = "9"
    & skf18("6","6","5","1","3","1","1") = "5"
    & skf18("6","6","5","1","3","2","1") = "5"
    & skf18("6","6","5","1","3","3","1") = "5"
    & skf18("6","6","5","1","3","4","1") = "5"
    & skf18("6","6","5","1","3","5","1") = "5"
    & skf18("6","6","5","1","3","6","1") = "5"
    & skf18("6","6","5","1","3","7","1") = "6"
    & skf18("6","6","5","1","3","8","1") = "7"
    & skf18("6","6","5","1","3","9","1") = "8"
    & skf18("6","6","5","1","3","10","1") = "9"
    & skf18("6","6","5","1","4","1","1") = "5"
    & skf18("6","6","5","1","4","2","1") = "5"
    & skf18("6","6","5","1","4","3","1") = "5"
    & skf18("6","6","5","1","4","4","1") = "5"
    & skf18("6","6","5","1","4","5","1") = "5"
    & skf18("6","6","5","1","4","6","1") = "5"
    & skf18("6","6","5","1","4","7","1") = "6"
    & skf18("6","6","5","1","4","8","1") = "7"
    & skf18("6","6","5","1","4","9","1") = "8"
    & skf18("6","6","5","1","4","10","1") = "9"
    & skf18("6","6","5","1","5","1","1") = "5"
    & skf18("6","6","5","1","5","2","1") = "5"
    & skf18("6","6","5","1","5","3","1") = "5"
    & skf18("6","6","5","1","5","4","1") = "5"
    & skf18("6","6","5","1","5","5","1") = "5"
    & skf18("6","6","5","1","5","6","1") = "5"
    & skf18("6","6","5","1","5","7","1") = "6"
    & skf18("6","6","5","1","5","8","1") = "7"
    & skf18("6","6","5","1","5","9","1") = "8"
    & skf18("6","6","5","1","5","10","1") = "9"
    & skf18("6","6","5","1","6","1","1") = "5"
    & skf18("6","6","5","1","6","2","1") = "5"
    & skf18("6","6","5","1","6","3","1") = "5"
    & skf18("6","6","5","1","6","4","1") = "5"
    & skf18("6","6","5","1","6","5","1") = "5"
    & skf18("6","6","5","1","6","6","1") = "5"
    & skf18("6","6","5","1","6","7","1") = "6"
    & skf18("6","6","5","1","6","8","1") = "7"
    & skf18("6","6","5","1","6","9","1") = "8"
    & skf18("6","6","5","1","6","10","1") = "9"
    & skf18("6","6","5","1","7","1","1") = "6"
    & skf18("6","6","5","1","7","2","1") = "6"
    & skf18("6","6","5","1","7","3","1") = "6"
    & skf18("6","6","5","1","7","4","1") = "6"
    & skf18("6","6","5","1","7","5","1") = "6"
    & skf18("6","6","5","1","7","6","1") = "6"
    & skf18("6","6","5","1","7","7","1") = "6"
    & skf18("6","6","5","1","7","8","1") = "7"
    & skf18("6","6","5","1","7","9","1") = "8"
    & skf18("6","6","5","1","7","10","1") = "9"
    & skf18("6","6","5","1","8","1","1") = "7"
    & skf18("6","6","5","1","8","2","1") = "7"
    & skf18("6","6","5","1","8","3","1") = "7"
    & skf18("6","6","5","1","8","4","1") = "7"
    & skf18("6","6","5","1","8","5","1") = "7"
    & skf18("6","6","5","1","8","6","1") = "7"
    & skf18("6","6","5","1","8","7","1") = "7"
    & skf18("6","6","5","1","8","8","1") = "7"
    & skf18("6","6","5","1","8","9","1") = "8"
    & skf18("6","6","5","1","8","10","1") = "9"
    & skf18("6","6","5","1","9","1","1") = "8"
    & skf18("6","6","5","1","9","2","1") = "8"
    & skf18("6","6","5","1","9","3","1") = "8"
    & skf18("6","6","5","1","9","4","1") = "8"
    & skf18("6","6","5","1","9","5","1") = "8"
    & skf18("6","6","5","1","9","6","1") = "8"
    & skf18("6","6","5","1","9","7","1") = "8"
    & skf18("6","6","5","1","9","8","1") = "8"
    & skf18("6","6","5","1","9","9","1") = "8"
    & skf18("6","6","5","1","9","10","1") = "9"
    & skf18("6","6","5","1","10","1","1") = "9"
    & skf18("6","6","5","1","10","2","1") = "9"
    & skf18("6","6","5","1","10","3","1") = "9"
    & skf18("6","6","5","1","10","4","1") = "9"
    & skf18("6","6","5","1","10","5","1") = "9"
    & skf18("6","6","5","1","10","6","1") = "9"
    & skf18("6","6","5","1","10","7","1") = "9"
    & skf18("6","6","5","1","10","8","1") = "9"
    & skf18("6","6","5","1","10","9","1") = "9"
    & skf18("6","6","5","1","10","10","1") = "9"
    & skf18("6","6","5","2","1","1","1") = "5"
    & skf18("6","6","5","2","1","2","1") = "5"
    & skf18("6","6","5","2","1","3","1") = "5"
    & skf18("6","6","5","2","1","4","1") = "5"
    & skf18("6","6","5","2","1","5","1") = "5"
    & skf18("6","6","5","2","1","6","1") = "5"
    & skf18("6","6","5","2","1","7","1") = "6"
    & skf18("6","6","5","2","1","8","1") = "7"
    & skf18("6","6","5","2","1","9","1") = "8"
    & skf18("6","6","5","2","1","10","1") = "9"
    & skf18("6","6","5","2","2","1","1") = "5"
    & skf18("6","6","5","2","2","2","1") = "5"
    & skf18("6","6","5","2","2","3","1") = "5"
    & skf18("6","6","5","2","2","4","1") = "5"
    & skf18("6","6","5","2","2","5","1") = "5"
    & skf18("6","6","5","2","2","6","1") = "5"
    & skf18("6","6","5","2","2","7","1") = "6"
    & skf18("6","6","5","2","2","8","1") = "7"
    & skf18("6","6","5","2","2","9","1") = "8"
    & skf18("6","6","5","2","2","10","1") = "9"
    & skf18("6","6","5","2","3","1","1") = "5"
    & skf18("6","6","5","2","3","2","1") = "5"
    & skf18("6","6","5","2","3","3","1") = "5"
    & skf18("6","6","5","2","3","4","1") = "5"
    & skf18("6","6","5","2","3","5","1") = "5"
    & skf18("6","6","5","2","3","6","1") = "5"
    & skf18("6","6","5","2","3","7","1") = "6"
    & skf18("6","6","5","2","3","8","1") = "7"
    & skf18("6","6","5","2","3","9","1") = "8"
    & skf18("6","6","5","2","3","10","1") = "9"
    & skf18("6","6","5","2","4","1","1") = "5"
    & skf18("6","6","5","2","4","2","1") = "5"
    & skf18("6","6","5","2","4","3","1") = "5"
    & skf18("6","6","5","2","4","4","1") = "5"
    & skf18("6","6","5","2","4","5","1") = "5"
    & skf18("6","6","5","2","4","6","1") = "5"
    & skf18("6","6","5","2","4","7","1") = "6"
    & skf18("6","6","5","2","4","8","1") = "7"
    & skf18("6","6","5","2","4","9","1") = "8"
    & skf18("6","6","5","2","4","10","1") = "9"
    & skf18("6","6","5","2","5","1","1") = "5"
    & skf18("6","6","5","2","5","2","1") = "5"
    & skf18("6","6","5","2","5","3","1") = "5"
    & skf18("6","6","5","2","5","4","1") = "5"
    & skf18("6","6","5","2","5","5","1") = "5"
    & skf18("6","6","5","2","5","6","1") = "5"
    & skf18("6","6","5","2","5","7","1") = "6"
    & skf18("6","6","5","2","5","8","1") = "7"
    & skf18("6","6","5","2","5","9","1") = "8"
    & skf18("6","6","5","2","5","10","1") = "9"
    & skf18("6","6","5","2","6","1","1") = "5"
    & skf18("6","6","5","2","6","2","1") = "5"
    & skf18("6","6","5","2","6","3","1") = "5"
    & skf18("6","6","5","2","6","4","1") = "5"
    & skf18("6","6","5","2","6","5","1") = "5"
    & skf18("6","6","5","2","6","6","1") = "5"
    & skf18("6","6","5","2","6","7","1") = "6"
    & skf18("6","6","5","2","6","8","1") = "7"
    & skf18("6","6","5","2","6","9","1") = "8"
    & skf18("6","6","5","2","6","10","1") = "9"
    & skf18("6","6","5","2","7","1","1") = "6"
    & skf18("6","6","5","2","7","2","1") = "6"
    & skf18("6","6","5","2","7","3","1") = "6"
    & skf18("6","6","5","2","7","4","1") = "6"
    & skf18("6","6","5","2","7","5","1") = "6"
    & skf18("6","6","5","2","7","6","1") = "6"
    & skf18("6","6","5","2","7","7","1") = "6"
    & skf18("6","6","5","2","7","8","1") = "7"
    & skf18("6","6","5","2","7","9","1") = "8"
    & skf18("6","6","5","2","7","10","1") = "9"
    & skf18("6","6","5","2","8","1","1") = "7"
    & skf18("6","6","5","2","8","2","1") = "7"
    & skf18("6","6","5","2","8","3","1") = "7"
    & skf18("6","6","5","2","8","4","1") = "7"
    & skf18("6","6","5","2","8","5","1") = "7"
    & skf18("6","6","5","2","8","6","1") = "7"
    & skf18("6","6","5","2","8","7","1") = "7"
    & skf18("6","6","5","2","8","8","1") = "7"
    & skf18("6","6","5","2","8","9","1") = "8"
    & skf18("6","6","5","2","8","10","1") = "9"
    & skf18("6","6","5","2","9","1","1") = "8"
    & skf18("6","6","5","2","9","2","1") = "8"
    & skf18("6","6","5","2","9","3","1") = "8"
    & skf18("6","6","5","2","9","4","1") = "8"
    & skf18("6","6","5","2","9","5","1") = "8"
    & skf18("6","6","5","2","9","6","1") = "8"
    & skf18("6","6","5","2","9","7","1") = "8"
    & skf18("6","6","5","2","9","8","1") = "8"
    & skf18("6","6","5","2","9","9","1") = "8"
    & skf18("6","6","5","2","9","10","1") = "9"
    & skf18("6","6","5","2","10","1","1") = "9"
    & skf18("6","6","5","2","10","2","1") = "9"
    & skf18("6","6","5","2","10","3","1") = "9"
    & skf18("6","6","5","2","10","4","1") = "9"
    & skf18("6","6","5","2","10","5","1") = "9"
    & skf18("6","6","5","2","10","6","1") = "9"
    & skf18("6","6","5","2","10","7","1") = "9"
    & skf18("6","6","5","2","10","8","1") = "9"
    & skf18("6","6","5","2","10","9","1") = "9"
    & skf18("6","6","5","2","10","10","1") = "9"
    & skf18("6","6","5","3","1","1","1") = "5"
    & skf18("6","6","5","3","1","2","1") = "5"
    & skf18("6","6","5","3","1","3","1") = "5"
    & skf18("6","6","5","3","1","4","1") = "5"
    & skf18("6","6","5","3","1","5","1") = "5"
    & skf18("6","6","5","3","1","6","1") = "5"
    & skf18("6","6","5","3","1","7","1") = "6"
    & skf18("6","6","5","3","1","8","1") = "7"
    & skf18("6","6","5","3","1","9","1") = "8"
    & skf18("6","6","5","3","1","10","1") = "9"
    & skf18("6","6","5","3","2","1","1") = "5"
    & skf18("6","6","5","3","2","2","1") = "5"
    & skf18("6","6","5","3","2","3","1") = "5"
    & skf18("6","6","5","3","2","4","1") = "5"
    & skf18("6","6","5","3","2","5","1") = "5"
    & skf18("6","6","5","3","2","6","1") = "5"
    & skf18("6","6","5","3","2","7","1") = "6"
    & skf18("6","6","5","3","2","8","1") = "7"
    & skf18("6","6","5","3","2","9","1") = "8"
    & skf18("6","6","5","3","2","10","1") = "9"
    & skf18("6","6","5","3","3","1","1") = "5"
    & skf18("6","6","5","3","3","2","1") = "5"
    & skf18("6","6","5","3","3","3","1") = "5"
    & skf18("6","6","5","3","3","4","1") = "5"
    & skf18("6","6","5","3","3","5","1") = "5"
    & skf18("6","6","5","3","3","6","1") = "5"
    & skf18("6","6","5","3","3","7","1") = "6"
    & skf18("6","6","5","3","3","8","1") = "7"
    & skf18("6","6","5","3","3","9","1") = "8"
    & skf18("6","6","5","3","3","10","1") = "9"
    & skf18("6","6","5","3","4","1","1") = "5"
    & skf18("6","6","5","3","4","2","1") = "5"
    & skf18("6","6","5","3","4","3","1") = "5"
    & skf18("6","6","5","3","4","4","1") = "5"
    & skf18("6","6","5","3","4","5","1") = "5"
    & skf18("6","6","5","3","4","6","1") = "5"
    & skf18("6","6","5","3","4","7","1") = "6"
    & skf18("6","6","5","3","4","8","1") = "7"
    & skf18("6","6","5","3","4","9","1") = "8"
    & skf18("6","6","5","3","4","10","1") = "9"
    & skf18("6","6","5","3","5","1","1") = "5"
    & skf18("6","6","5","3","5","2","1") = "5"
    & skf18("6","6","5","3","5","3","1") = "5"
    & skf18("6","6","5","3","5","4","1") = "5"
    & skf18("6","6","5","3","5","5","1") = "5"
    & skf18("6","6","5","3","5","6","1") = "5"
    & skf18("6","6","5","3","5","7","1") = "6"
    & skf18("6","6","5","3","5","8","1") = "7"
    & skf18("6","6","5","3","5","9","1") = "8"
    & skf18("6","6","5","3","5","10","1") = "9"
    & skf18("6","6","5","3","6","1","1") = "5"
    & skf18("6","6","5","3","6","2","1") = "5"
    & skf18("6","6","5","3","6","3","1") = "5"
    & skf18("6","6","5","3","6","4","1") = "5"
    & skf18("6","6","5","3","6","5","1") = "5"
    & skf18("6","6","5","3","6","6","1") = "5"
    & skf18("6","6","5","3","6","7","1") = "6"
    & skf18("6","6","5","3","6","8","1") = "7"
    & skf18("6","6","5","3","6","9","1") = "8"
    & skf18("6","6","5","3","6","10","1") = "9"
    & skf18("6","6","5","3","7","1","1") = "6"
    & skf18("6","6","5","3","7","2","1") = "6"
    & skf18("6","6","5","3","7","3","1") = "6"
    & skf18("6","6","5","3","7","4","1") = "6"
    & skf18("6","6","5","3","7","5","1") = "6"
    & skf18("6","6","5","3","7","6","1") = "6"
    & skf18("6","6","5","3","7","7","1") = "6"
    & skf18("6","6","5","3","7","8","1") = "7"
    & skf18("6","6","5","3","7","9","1") = "8"
    & skf18("6","6","5","3","7","10","1") = "9"
    & skf18("6","6","5","3","8","1","1") = "7"
    & skf18("6","6","5","3","8","2","1") = "7"
    & skf18("6","6","5","3","8","3","1") = "7"
    & skf18("6","6","5","3","8","4","1") = "7"
    & skf18("6","6","5","3","8","5","1") = "7"
    & skf18("6","6","5","3","8","6","1") = "7"
    & skf18("6","6","5","3","8","7","1") = "7"
    & skf18("6","6","5","3","8","8","1") = "7"
    & skf18("6","6","5","3","8","9","1") = "8"
    & skf18("6","6","5","3","8","10","1") = "9"
    & skf18("6","6","5","3","9","1","1") = "8"
    & skf18("6","6","5","3","9","2","1") = "8"
    & skf18("6","6","5","3","9","3","1") = "8"
    & skf18("6","6","5","3","9","4","1") = "8"
    & skf18("6","6","5","3","9","5","1") = "8"
    & skf18("6","6","5","3","9","6","1") = "8"
    & skf18("6","6","5","3","9","7","1") = "8"
    & skf18("6","6","5","3","9","8","1") = "8"
    & skf18("6","6","5","3","9","9","1") = "8"
    & skf18("6","6","5","3","9","10","1") = "9"
    & skf18("6","6","5","3","10","1","1") = "9"
    & skf18("6","6","5","3","10","2","1") = "9"
    & skf18("6","6","5","3","10","3","1") = "9"
    & skf18("6","6","5","3","10","4","1") = "9"
    & skf18("6","6","5","3","10","5","1") = "9"
    & skf18("6","6","5","3","10","6","1") = "9"
    & skf18("6","6","5","3","10","7","1") = "9"
    & skf18("6","6","5","3","10","8","1") = "9"
    & skf18("6","6","5","3","10","9","1") = "9"
    & skf18("6","6","5","3","10","10","1") = "9"
    & skf18("6","6","5","4","1","1","1") = "5"
    & skf18("6","6","5","4","1","2","1") = "5"
    & skf18("6","6","5","4","1","3","1") = "5"
    & skf18("6","6","5","4","1","4","1") = "5"
    & skf18("6","6","5","4","1","5","1") = "5"
    & skf18("6","6","5","4","1","6","1") = "5"
    & skf18("6","6","5","4","1","7","1") = "6"
    & skf18("6","6","5","4","1","8","1") = "7"
    & skf18("6","6","5","4","1","9","1") = "8"
    & skf18("6","6","5","4","1","10","1") = "9"
    & skf18("6","6","5","4","2","1","1") = "5"
    & skf18("6","6","5","4","2","2","1") = "5"
    & skf18("6","6","5","4","2","3","1") = "5"
    & skf18("6","6","5","4","2","4","1") = "5"
    & skf18("6","6","5","4","2","5","1") = "5"
    & skf18("6","6","5","4","2","6","1") = "5"
    & skf18("6","6","5","4","2","7","1") = "6"
    & skf18("6","6","5","4","2","8","1") = "7"
    & skf18("6","6","5","4","2","9","1") = "8"
    & skf18("6","6","5","4","2","10","1") = "9"
    & skf18("6","6","5","4","3","1","1") = "5"
    & skf18("6","6","5","4","3","2","1") = "5"
    & skf18("6","6","5","4","3","3","1") = "5"
    & skf18("6","6","5","4","3","4","1") = "5"
    & skf18("6","6","5","4","3","5","1") = "5"
    & skf18("6","6","5","4","3","6","1") = "5"
    & skf18("6","6","5","4","3","7","1") = "6"
    & skf18("6","6","5","4","3","8","1") = "7"
    & skf18("6","6","5","4","3","9","1") = "8"
    & skf18("6","6","5","4","3","10","1") = "9"
    & skf18("6","6","5","4","4","1","1") = "5"
    & skf18("6","6","5","4","4","2","1") = "5"
    & skf18("6","6","5","4","4","3","1") = "5"
    & skf18("6","6","5","4","4","4","1") = "5"
    & skf18("6","6","5","4","4","5","1") = "5"
    & skf18("6","6","5","4","4","6","1") = "5"
    & skf18("6","6","5","4","4","7","1") = "6"
    & skf18("6","6","5","4","4","8","1") = "7"
    & skf18("6","6","5","4","4","9","1") = "8"
    & skf18("6","6","5","4","4","10","1") = "9"
    & skf18("6","6","5","4","5","1","1") = "5"
    & skf18("6","6","5","4","5","2","1") = "5"
    & skf18("6","6","5","4","5","3","1") = "5"
    & skf18("6","6","5","4","5","4","1") = "5"
    & skf18("6","6","5","4","5","5","1") = "5"
    & skf18("6","6","5","4","5","6","1") = "5"
    & skf18("6","6","5","4","5","7","1") = "6"
    & skf18("6","6","5","4","5","8","1") = "7"
    & skf18("6","6","5","4","5","9","1") = "8"
    & skf18("6","6","5","4","5","10","1") = "9"
    & skf18("6","6","5","4","6","1","1") = "5"
    & skf18("6","6","5","4","6","2","1") = "5"
    & skf18("6","6","5","4","6","3","1") = "5"
    & skf18("6","6","5","4","6","4","1") = "5"
    & skf18("6","6","5","4","6","5","1") = "5"
    & skf18("6","6","5","4","6","6","1") = "5"
    & skf18("6","6","5","4","6","7","1") = "6"
    & skf18("6","6","5","4","6","8","1") = "7"
    & skf18("6","6","5","4","6","9","1") = "8"
    & skf18("6","6","5","4","6","10","1") = "9"
    & skf18("6","6","5","4","7","1","1") = "6"
    & skf18("6","6","5","4","7","2","1") = "6"
    & skf18("6","6","5","4","7","3","1") = "6"
    & skf18("6","6","5","4","7","4","1") = "6"
    & skf18("6","6","5","4","7","5","1") = "6"
    & skf18("6","6","5","4","7","6","1") = "6"
    & skf18("6","6","5","4","7","7","1") = "6"
    & skf18("6","6","5","4","7","8","1") = "7"
    & skf18("6","6","5","4","7","9","1") = "8"
    & skf18("6","6","5","4","7","10","1") = "9"
    & skf18("6","6","5","4","8","1","1") = "7"
    & skf18("6","6","5","4","8","2","1") = "7"
    & skf18("6","6","5","4","8","3","1") = "7"
    & skf18("6","6","5","4","8","4","1") = "7"
    & skf18("6","6","5","4","8","5","1") = "7"
    & skf18("6","6","5","4","8","6","1") = "7"
    & skf18("6","6","5","4","8","7","1") = "7"
    & skf18("6","6","5","4","8","8","1") = "7"
    & skf18("6","6","5","4","8","9","1") = "8"
    & skf18("6","6","5","4","8","10","1") = "9"
    & skf18("6","6","5","4","9","1","1") = "8"
    & skf18("6","6","5","4","9","2","1") = "8"
    & skf18("6","6","5","4","9","3","1") = "8"
    & skf18("6","6","5","4","9","4","1") = "8"
    & skf18("6","6","5","4","9","5","1") = "8"
    & skf18("6","6","5","4","9","6","1") = "8"
    & skf18("6","6","5","4","9","7","1") = "8"
    & skf18("6","6","5","4","9","8","1") = "8"
    & skf18("6","6","5","4","9","9","1") = "8"
    & skf18("6","6","5","4","9","10","1") = "9"
    & skf18("6","6","5","4","10","1","1") = "9"
    & skf18("6","6","5","4","10","2","1") = "9"
    & skf18("6","6","5","4","10","3","1") = "9"
    & skf18("6","6","5","4","10","4","1") = "9"
    & skf18("6","6","5","4","10","5","1") = "9"
    & skf18("6","6","5","4","10","6","1") = "9"
    & skf18("6","6","5","4","10","7","1") = "9"
    & skf18("6","6","5","4","10","8","1") = "9"
    & skf18("6","6","5","4","10","9","1") = "9"
    & skf18("6","6","5","4","10","10","1") = "9"
    & skf18("6","6","5","5","1","1","1") = "5"
    & skf18("6","6","5","5","1","2","1") = "5"
    & skf18("6","6","5","5","1","3","1") = "5"
    & skf18("6","6","5","5","1","4","1") = "5"
    & skf18("6","6","5","5","1","5","1") = "5"
    & skf18("6","6","5","5","1","6","1") = "5"
    & skf18("6","6","5","5","1","7","1") = "6"
    & skf18("6","6","5","5","1","8","1") = "7"
    & skf18("6","6","5","5","1","9","1") = "8"
    & skf18("6","6","5","5","1","10","1") = "9"
    & skf18("6","6","5","5","2","1","1") = "5"
    & skf18("6","6","5","5","2","2","1") = "5"
    & skf18("6","6","5","5","2","3","1") = "5"
    & skf18("6","6","5","5","2","4","1") = "5"
    & skf18("6","6","5","5","2","5","1") = "5"
    & skf18("6","6","5","5","2","6","1") = "5"
    & skf18("6","6","5","5","2","7","1") = "6"
    & skf18("6","6","5","5","2","8","1") = "7"
    & skf18("6","6","5","5","2","9","1") = "8"
    & skf18("6","6","5","5","2","10","1") = "9"
    & skf18("6","6","5","5","3","1","1") = "5"
    & skf18("6","6","5","5","3","2","1") = "5"
    & skf18("6","6","5","5","3","3","1") = "5"
    & skf18("6","6","5","5","3","4","1") = "5"
    & skf18("6","6","5","5","3","5","1") = "5"
    & skf18("6","6","5","5","3","6","1") = "5"
    & skf18("6","6","5","5","3","7","1") = "6"
    & skf18("6","6","5","5","3","8","1") = "7"
    & skf18("6","6","5","5","3","9","1") = "8"
    & skf18("6","6","5","5","3","10","1") = "9"
    & skf18("6","6","5","5","4","1","1") = "5"
    & skf18("6","6","5","5","4","2","1") = "5"
    & skf18("6","6","5","5","4","3","1") = "5"
    & skf18("6","6","5","5","4","4","1") = "5"
    & skf18("6","6","5","5","4","5","1") = "5"
    & skf18("6","6","5","5","4","6","1") = "5"
    & skf18("6","6","5","5","4","7","1") = "6"
    & skf18("6","6","5","5","4","8","1") = "7"
    & skf18("6","6","5","5","4","9","1") = "8"
    & skf18("6","6","5","5","4","10","1") = "9"
    & skf18("6","6","5","5","5","1","1") = "5"
    & skf18("6","6","5","5","5","2","1") = "5"
    & skf18("6","6","5","5","5","3","1") = "5"
    & skf18("6","6","5","5","5","4","1") = "5"
    & skf18("6","6","5","5","5","5","1") = "5"
    & skf18("6","6","5","5","5","6","1") = "5"
    & skf18("6","6","5","5","5","7","1") = "6"
    & skf18("6","6","5","5","5","8","1") = "7"
    & skf18("6","6","5","5","5","9","1") = "8"
    & skf18("6","6","5","5","5","10","1") = "9"
    & skf18("6","6","5","5","6","1","1") = "5"
    & skf18("6","6","5","5","6","2","1") = "5"
    & skf18("6","6","5","5","6","3","1") = "5"
    & skf18("6","6","5","5","6","4","1") = "5"
    & skf18("6","6","5","5","6","5","1") = "5"
    & skf18("6","6","5","5","6","6","1") = "5"
    & skf18("6","6","5","5","6","7","1") = "6"
    & skf18("6","6","5","5","6","8","1") = "7"
    & skf18("6","6","5","5","6","9","1") = "8"
    & skf18("6","6","5","5","6","10","1") = "9"
    & skf18("6","6","5","5","7","1","1") = "6"
    & skf18("6","6","5","5","7","2","1") = "6"
    & skf18("6","6","5","5","7","3","1") = "6"
    & skf18("6","6","5","5","7","4","1") = "6"
    & skf18("6","6","5","5","7","5","1") = "6"
    & skf18("6","6","5","5","7","6","1") = "6"
    & skf18("6","6","5","5","7","7","1") = "6"
    & skf18("6","6","5","5","7","8","1") = "7"
    & skf18("6","6","5","5","7","9","1") = "8"
    & skf18("6","6","5","5","7","10","1") = "9"
    & skf18("6","6","5","5","8","1","1") = "7"
    & skf18("6","6","5","5","8","2","1") = "7"
    & skf18("6","6","5","5","8","3","1") = "7"
    & skf18("6","6","5","5","8","4","1") = "7"
    & skf18("6","6","5","5","8","5","1") = "7"
    & skf18("6","6","5","5","8","6","1") = "7"
    & skf18("6","6","5","5","8","7","1") = "7"
    & skf18("6","6","5","5","8","8","1") = "7"
    & skf18("6","6","5","5","8","9","1") = "8"
    & skf18("6","6","5","5","8","10","1") = "9"
    & skf18("6","6","5","5","9","1","1") = "8"
    & skf18("6","6","5","5","9","2","1") = "8"
    & skf18("6","6","5","5","9","3","1") = "8"
    & skf18("6","6","5","5","9","4","1") = "8"
    & skf18("6","6","5","5","9","5","1") = "8"
    & skf18("6","6","5","5","9","6","1") = "8"
    & skf18("6","6","5","5","9","7","1") = "8"
    & skf18("6","6","5","5","9","8","1") = "8"
    & skf18("6","6","5","5","9","9","1") = "8"
    & skf18("6","6","5","5","9","10","1") = "9"
    & skf18("6","6","5","5","10","1","1") = "9"
    & skf18("6","6","5","5","10","2","1") = "9"
    & skf18("6","6","5","5","10","3","1") = "9"
    & skf18("6","6","5","5","10","4","1") = "9"
    & skf18("6","6","5","5","10","5","1") = "9"
    & skf18("6","6","5","5","10","6","1") = "9"
    & skf18("6","6","5","5","10","7","1") = "9"
    & skf18("6","6","5","5","10","8","1") = "9"
    & skf18("6","6","5","5","10","9","1") = "9"
    & skf18("6","6","5","5","10","10","1") = "9"
    & skf18("6","6","5","6","1","1","1") = "5"
    & skf18("6","6","5","6","1","2","1") = "5"
    & skf18("6","6","5","6","1","3","1") = "5"
    & skf18("6","6","5","6","1","4","1") = "5"
    & skf18("6","6","5","6","1","5","1") = "5"
    & skf18("6","6","5","6","1","6","1") = "5"
    & skf18("6","6","5","6","1","7","1") = "6"
    & skf18("6","6","5","6","1","8","1") = "7"
    & skf18("6","6","5","6","1","9","1") = "8"
    & skf18("6","6","5","6","1","10","1") = "9"
    & skf18("6","6","5","6","2","1","1") = "5"
    & skf18("6","6","5","6","2","2","1") = "5"
    & skf18("6","6","5","6","2","3","1") = "5"
    & skf18("6","6","5","6","2","4","1") = "5"
    & skf18("6","6","5","6","2","5","1") = "5"
    & skf18("6","6","5","6","2","6","1") = "5"
    & skf18("6","6","5","6","2","7","1") = "6"
    & skf18("6","6","5","6","2","8","1") = "7"
    & skf18("6","6","5","6","2","9","1") = "8"
    & skf18("6","6","5","6","2","10","1") = "9"
    & skf18("6","6","5","6","3","1","1") = "5"
    & skf18("6","6","5","6","3","2","1") = "5"
    & skf18("6","6","5","6","3","3","1") = "5"
    & skf18("6","6","5","6","3","4","1") = "5"
    & skf18("6","6","5","6","3","5","1") = "5"
    & skf18("6","6","5","6","3","6","1") = "5"
    & skf18("6","6","5","6","3","7","1") = "6"
    & skf18("6","6","5","6","3","8","1") = "7"
    & skf18("6","6","5","6","3","9","1") = "8"
    & skf18("6","6","5","6","3","10","1") = "9"
    & skf18("6","6","5","6","4","1","1") = "5"
    & skf18("6","6","5","6","4","2","1") = "5"
    & skf18("6","6","5","6","4","3","1") = "5"
    & skf18("6","6","5","6","4","4","1") = "5"
    & skf18("6","6","5","6","4","5","1") = "5"
    & skf18("6","6","5","6","4","6","1") = "5"
    & skf18("6","6","5","6","4","7","1") = "6"
    & skf18("6","6","5","6","4","8","1") = "7"
    & skf18("6","6","5","6","4","9","1") = "8"
    & skf18("6","6","5","6","4","10","1") = "9"
    & skf18("6","6","5","6","5","1","1") = "5"
    & skf18("6","6","5","6","5","2","1") = "5"
    & skf18("6","6","5","6","5","3","1") = "5"
    & skf18("6","6","5","6","5","4","1") = "5"
    & skf18("6","6","5","6","5","5","1") = "5"
    & skf18("6","6","5","6","5","6","1") = "5"
    & skf18("6","6","5","6","5","7","1") = "6"
    & skf18("6","6","5","6","5","8","1") = "7"
    & skf18("6","6","5","6","5","9","1") = "8"
    & skf18("6","6","5","6","5","10","1") = "9"
    & skf18("6","6","5","6","6","1","1") = "5"
    & skf18("6","6","5","6","6","2","1") = "5"
    & skf18("6","6","5","6","6","3","1") = "5"
    & skf18("6","6","5","6","6","4","1") = "5"
    & skf18("6","6","5","6","6","5","1") = "5"
    & skf18("6","6","5","6","6","6","1") = "5"
    & skf18("6","6","5","6","6","7","1") = "6"
    & skf18("6","6","5","6","6","8","1") = "7"
    & skf18("6","6","5","6","6","9","1") = "8"
    & skf18("6","6","5","6","6","10","1") = "9"
    & skf18("6","6","5","6","7","1","1") = "6"
    & skf18("6","6","5","6","7","2","1") = "6"
    & skf18("6","6","5","6","7","3","1") = "6"
    & skf18("6","6","5","6","7","4","1") = "6"
    & skf18("6","6","5","6","7","5","1") = "6"
    & skf18("6","6","5","6","7","6","1") = "6"
    & skf18("6","6","5","6","7","7","1") = "6"
    & skf18("6","6","5","6","7","8","1") = "7"
    & skf18("6","6","5","6","7","9","1") = "8"
    & skf18("6","6","5","6","7","10","1") = "9"
    & skf18("6","6","5","6","8","1","1") = "7"
    & skf18("6","6","5","6","8","2","1") = "7"
    & skf18("6","6","5","6","8","3","1") = "7"
    & skf18("6","6","5","6","8","4","1") = "7"
    & skf18("6","6","5","6","8","5","1") = "7"
    & skf18("6","6","5","6","8","6","1") = "7"
    & skf18("6","6","5","6","8","7","1") = "7"
    & skf18("6","6","5","6","8","8","1") = "7"
    & skf18("6","6","5","6","8","9","1") = "8"
    & skf18("6","6","5","6","8","10","1") = "9"
    & skf18("6","6","5","6","9","1","1") = "8"
    & skf18("6","6","5","6","9","2","1") = "8"
    & skf18("6","6","5","6","9","3","1") = "8"
    & skf18("6","6","5","6","9","4","1") = "8"
    & skf18("6","6","5","6","9","5","1") = "8"
    & skf18("6","6","5","6","9","6","1") = "8"
    & skf18("6","6","5","6","9","7","1") = "8"
    & skf18("6","6","5","6","9","8","1") = "8"
    & skf18("6","6","5","6","9","9","1") = "8"
    & skf18("6","6","5","6","9","10","1") = "9"
    & skf18("6","6","5","6","10","1","1") = "9"
    & skf18("6","6","5","6","10","2","1") = "9"
    & skf18("6","6","5","6","10","3","1") = "9"
    & skf18("6","6","5","6","10","4","1") = "9"
    & skf18("6","6","5","6","10","5","1") = "9"
    & skf18("6","6","5","6","10","6","1") = "9"
    & skf18("6","6","5","6","10","7","1") = "9"
    & skf18("6","6","5","6","10","8","1") = "9"
    & skf18("6","6","5","6","10","9","1") = "9"
    & skf18("6","6","5","6","10","10","1") = "9"
    & skf18("6","6","5","7","1","1","1") = "6"
    & skf18("6","6","5","7","1","2","1") = "6"
    & skf18("6","6","5","7","1","3","1") = "6"
    & skf18("6","6","5","7","1","4","1") = "6"
    & skf18("6","6","5","7","1","5","1") = "6"
    & skf18("6","6","5","7","1","6","1") = "6"
    & skf18("6","6","5","7","1","7","1") = "6"
    & skf18("6","6","5","7","1","8","1") = "7"
    & skf18("6","6","5","7","1","9","1") = "8"
    & skf18("6","6","5","7","1","10","1") = "9"
    & skf18("6","6","5","7","2","1","1") = "6"
    & skf18("6","6","5","7","2","2","1") = "6"
    & skf18("6","6","5","7","2","3","1") = "6"
    & skf18("6","6","5","7","2","4","1") = "6"
    & skf18("6","6","5","7","2","5","1") = "6"
    & skf18("6","6","5","7","2","6","1") = "6"
    & skf18("6","6","5","7","2","7","1") = "6"
    & skf18("6","6","5","7","2","8","1") = "7"
    & skf18("6","6","5","7","2","9","1") = "8"
    & skf18("6","6","5","7","2","10","1") = "9"
    & skf18("6","6","5","7","3","1","1") = "6"
    & skf18("6","6","5","7","3","2","1") = "6"
    & skf18("6","6","5","7","3","3","1") = "6"
    & skf18("6","6","5","7","3","4","1") = "6"
    & skf18("6","6","5","7","3","5","1") = "6"
    & skf18("6","6","5","7","3","6","1") = "6"
    & skf18("6","6","5","7","3","7","1") = "6"
    & skf18("6","6","5","7","3","8","1") = "7"
    & skf18("6","6","5","7","3","9","1") = "8"
    & skf18("6","6","5","7","3","10","1") = "9"
    & skf18("6","6","5","7","4","1","1") = "6"
    & skf18("6","6","5","7","4","2","1") = "6"
    & skf18("6","6","5","7","4","3","1") = "6"
    & skf18("6","6","5","7","4","4","1") = "6"
    & skf18("6","6","5","7","4","5","1") = "6"
    & skf18("6","6","5","7","4","6","1") = "6"
    & skf18("6","6","5","7","4","7","1") = "6"
    & skf18("6","6","5","7","4","8","1") = "7"
    & skf18("6","6","5","7","4","9","1") = "8"
    & skf18("6","6","5","7","4","10","1") = "9"
    & skf18("6","6","5","7","5","1","1") = "6"
    & skf18("6","6","5","7","5","2","1") = "6"
    & skf18("6","6","5","7","5","3","1") = "6"
    & skf18("6","6","5","7","5","4","1") = "6"
    & skf18("6","6","5","7","5","5","1") = "6"
    & skf18("6","6","5","7","5","6","1") = "6"
    & skf18("6","6","5","7","5","7","1") = "6"
    & skf18("6","6","5","7","5","8","1") = "7"
    & skf18("6","6","5","7","5","9","1") = "8"
    & skf18("6","6","5","7","5","10","1") = "9"
    & skf18("6","6","5","7","6","1","1") = "6"
    & skf18("6","6","5","7","6","2","1") = "6"
    & skf18("6","6","5","7","6","3","1") = "6"
    & skf18("6","6","5","7","6","4","1") = "6"
    & skf18("6","6","5","7","6","5","1") = "6"
    & skf18("6","6","5","7","6","6","1") = "6"
    & skf18("6","6","5","7","6","7","1") = "6"
    & skf18("6","6","5","7","6","8","1") = "7"
    & skf18("6","6","5","7","6","9","1") = "8"
    & skf18("6","6","5","7","6","10","1") = "9"
    & skf18("6","6","5","7","7","1","1") = "6"
    & skf18("6","6","5","7","7","2","1") = "6"
    & skf18("6","6","5","7","7","3","1") = "6"
    & skf18("6","6","5","7","7","4","1") = "6"
    & skf18("6","6","5","7","7","5","1") = "6"
    & skf18("6","6","5","7","7","6","1") = "6"
    & skf18("6","6","5","7","7","7","1") = "6"
    & skf18("6","6","5","7","7","8","1") = "7"
    & skf18("6","6","5","7","7","9","1") = "8"
    & skf18("6","6","5","7","7","10","1") = "9"
    & skf18("6","6","5","7","8","1","1") = "7"
    & skf18("6","6","5","7","8","2","1") = "7"
    & skf18("6","6","5","7","8","3","1") = "7"
    & skf18("6","6","5","7","8","4","1") = "7"
    & skf18("6","6","5","7","8","5","1") = "7"
    & skf18("6","6","5","7","8","6","1") = "7"
    & skf18("6","6","5","7","8","7","1") = "7"
    & skf18("6","6","5","7","8","8","1") = "7"
    & skf18("6","6","5","7","8","9","1") = "8"
    & skf18("6","6","5","7","8","10","1") = "9"
    & skf18("6","6","5","7","9","1","1") = "8"
    & skf18("6","6","5","7","9","2","1") = "8"
    & skf18("6","6","5","7","9","3","1") = "8"
    & skf18("6","6","5","7","9","4","1") = "8"
    & skf18("6","6","5","7","9","5","1") = "8"
    & skf18("6","6","5","7","9","6","1") = "8"
    & skf18("6","6","5","7","9","7","1") = "8"
    & skf18("6","6","5","7","9","8","1") = "8"
    & skf18("6","6","5","7","9","9","1") = "8"
    & skf18("6","6","5","7","9","10","1") = "9"
    & skf18("6","6","5","7","10","1","1") = "9"
    & skf18("6","6","5","7","10","2","1") = "9"
    & skf18("6","6","5","7","10","3","1") = "9"
    & skf18("6","6","5","7","10","4","1") = "9"
    & skf18("6","6","5","7","10","5","1") = "9"
    & skf18("6","6","5","7","10","6","1") = "9"
    & skf18("6","6","5","7","10","7","1") = "9"
    & skf18("6","6","5","7","10","8","1") = "9"
    & skf18("6","6","5","7","10","9","1") = "9"
    & skf18("6","6","5","7","10","10","1") = "9"
    & skf18("6","6","5","8","1","1","1") = "7"
    & skf18("6","6","5","8","1","2","1") = "7"
    & skf18("6","6","5","8","1","3","1") = "7"
    & skf18("6","6","5","8","1","4","1") = "7"
    & skf18("6","6","5","8","1","5","1") = "7"
    & skf18("6","6","5","8","1","6","1") = "7"
    & skf18("6","6","5","8","1","7","1") = "7"
    & skf18("6","6","5","8","1","8","1") = "7"
    & skf18("6","6","5","8","1","9","1") = "8"
    & skf18("6","6","5","8","1","10","1") = "9"
    & skf18("6","6","5","8","2","1","1") = "7"
    & skf18("6","6","5","8","2","2","1") = "7"
    & skf18("6","6","5","8","2","3","1") = "7"
    & skf18("6","6","5","8","2","4","1") = "7"
    & skf18("6","6","5","8","2","5","1") = "7"
    & skf18("6","6","5","8","2","6","1") = "7"
    & skf18("6","6","5","8","2","7","1") = "7"
    & skf18("6","6","5","8","2","8","1") = "7"
    & skf18("6","6","5","8","2","9","1") = "8"
    & skf18("6","6","5","8","2","10","1") = "9"
    & skf18("6","6","5","8","3","1","1") = "7"
    & skf18("6","6","5","8","3","2","1") = "7"
    & skf18("6","6","5","8","3","3","1") = "7"
    & skf18("6","6","5","8","3","4","1") = "7"
    & skf18("6","6","5","8","3","5","1") = "7"
    & skf18("6","6","5","8","3","6","1") = "7"
    & skf18("6","6","5","8","3","7","1") = "7"
    & skf18("6","6","5","8","3","8","1") = "7"
    & skf18("6","6","5","8","3","9","1") = "8"
    & skf18("6","6","5","8","3","10","1") = "9"
    & skf18("6","6","5","8","4","1","1") = "7"
    & skf18("6","6","5","8","4","2","1") = "7"
    & skf18("6","6","5","8","4","3","1") = "7"
    & skf18("6","6","5","8","4","4","1") = "7"
    & skf18("6","6","5","8","4","5","1") = "7"
    & skf18("6","6","5","8","4","6","1") = "7"
    & skf18("6","6","5","8","4","7","1") = "7"
    & skf18("6","6","5","8","4","8","1") = "7"
    & skf18("6","6","5","8","4","9","1") = "8"
    & skf18("6","6","5","8","4","10","1") = "9"
    & skf18("6","6","5","8","5","1","1") = "7"
    & skf18("6","6","5","8","5","2","1") = "7"
    & skf18("6","6","5","8","5","3","1") = "7"
    & skf18("6","6","5","8","5","4","1") = "7"
    & skf18("6","6","5","8","5","5","1") = "7"
    & skf18("6","6","5","8","5","6","1") = "7"
    & skf18("6","6","5","8","5","7","1") = "7"
    & skf18("6","6","5","8","5","8","1") = "7"
    & skf18("6","6","5","8","5","9","1") = "8"
    & skf18("6","6","5","8","5","10","1") = "9"
    & skf18("6","6","5","8","6","1","1") = "7"
    & skf18("6","6","5","8","6","2","1") = "7"
    & skf18("6","6","5","8","6","3","1") = "7"
    & skf18("6","6","5","8","6","4","1") = "7"
    & skf18("6","6","5","8","6","5","1") = "7"
    & skf18("6","6","5","8","6","6","1") = "7"
    & skf18("6","6","5","8","6","7","1") = "7"
    & skf18("6","6","5","8","6","8","1") = "7"
    & skf18("6","6","5","8","6","9","1") = "8"
    & skf18("6","6","5","8","6","10","1") = "9"
    & skf18("6","6","5","8","7","1","1") = "7"
    & skf18("6","6","5","8","7","2","1") = "7"
    & skf18("6","6","5","8","7","3","1") = "7"
    & skf18("6","6","5","8","7","4","1") = "7"
    & skf18("6","6","5","8","7","5","1") = "7"
    & skf18("6","6","5","8","7","6","1") = "7"
    & skf18("6","6","5","8","7","7","1") = "7"
    & skf18("6","6","5","8","7","8","1") = "7"
    & skf18("6","6","5","8","7","9","1") = "8"
    & skf18("6","6","5","8","7","10","1") = "9"
    & skf18("6","6","5","8","8","1","1") = "7"
    & skf18("6","6","5","8","8","2","1") = "7"
    & skf18("6","6","5","8","8","3","1") = "7"
    & skf18("6","6","5","8","8","4","1") = "7"
    & skf18("6","6","5","8","8","5","1") = "7"
    & skf18("6","6","5","8","8","6","1") = "7"
    & skf18("6","6","5","8","8","7","1") = "7"
    & skf18("6","6","5","8","8","8","1") = "7"
    & skf18("6","6","5","8","8","9","1") = "8"
    & skf18("6","6","5","8","8","10","1") = "9"
    & skf18("6","6","5","8","9","1","1") = "8"
    & skf18("6","6","5","8","9","2","1") = "8"
    & skf18("6","6","5","8","9","3","1") = "8"
    & skf18("6","6","5","8","9","4","1") = "8"
    & skf18("6","6","5","8","9","5","1") = "8"
    & skf18("6","6","5","8","9","6","1") = "8"
    & skf18("6","6","5","8","9","7","1") = "8"
    & skf18("6","6","5","8","9","8","1") = "8"
    & skf18("6","6","5","8","9","9","1") = "8"
    & skf18("6","6","5","8","9","10","1") = "9"
    & skf18("6","6","5","8","10","1","1") = "9"
    & skf18("6","6","5","8","10","2","1") = "9"
    & skf18("6","6","5","8","10","3","1") = "9"
    & skf18("6","6","5","8","10","4","1") = "9"
    & skf18("6","6","5","8","10","5","1") = "9"
    & skf18("6","6","5","8","10","6","1") = "9"
    & skf18("6","6","5","8","10","7","1") = "9"
    & skf18("6","6","5","8","10","8","1") = "9"
    & skf18("6","6","5","8","10","9","1") = "9"
    & skf18("6","6","5","8","10","10","1") = "9"
    & skf18("6","6","5","9","1","1","1") = "8"
    & skf18("6","6","5","9","1","2","1") = "8"
    & skf18("6","6","5","9","1","3","1") = "8"
    & skf18("6","6","5","9","1","4","1") = "8"
    & skf18("6","6","5","9","1","5","1") = "8"
    & skf18("6","6","5","9","1","6","1") = "8"
    & skf18("6","6","5","9","1","7","1") = "8"
    & skf18("6","6","5","9","1","8","1") = "8"
    & skf18("6","6","5","9","1","9","1") = "8"
    & skf18("6","6","5","9","1","10","1") = "9"
    & skf18("6","6","5","9","2","1","1") = "8"
    & skf18("6","6","5","9","2","2","1") = "8"
    & skf18("6","6","5","9","2","3","1") = "8"
    & skf18("6","6","5","9","2","4","1") = "8"
    & skf18("6","6","5","9","2","5","1") = "8"
    & skf18("6","6","5","9","2","6","1") = "8"
    & skf18("6","6","5","9","2","7","1") = "8"
    & skf18("6","6","5","9","2","8","1") = "8"
    & skf18("6","6","5","9","2","9","1") = "8"
    & skf18("6","6","5","9","2","10","1") = "9"
    & skf18("6","6","5","9","3","1","1") = "8"
    & skf18("6","6","5","9","3","2","1") = "8"
    & skf18("6","6","5","9","3","3","1") = "8"
    & skf18("6","6","5","9","3","4","1") = "8"
    & skf18("6","6","5","9","3","5","1") = "8"
    & skf18("6","6","5","9","3","6","1") = "8"
    & skf18("6","6","5","9","3","7","1") = "8"
    & skf18("6","6","5","9","3","8","1") = "8"
    & skf18("6","6","5","9","3","9","1") = "8"
    & skf18("6","6","5","9","3","10","1") = "9"
    & skf18("6","6","5","9","4","1","1") = "8"
    & skf18("6","6","5","9","4","2","1") = "8"
    & skf18("6","6","5","9","4","3","1") = "8"
    & skf18("6","6","5","9","4","4","1") = "8"
    & skf18("6","6","5","9","4","5","1") = "8"
    & skf18("6","6","5","9","4","6","1") = "8"
    & skf18("6","6","5","9","4","7","1") = "8"
    & skf18("6","6","5","9","4","8","1") = "8"
    & skf18("6","6","5","9","4","9","1") = "8"
    & skf18("6","6","5","9","4","10","1") = "9"
    & skf18("6","6","5","9","5","1","1") = "8"
    & skf18("6","6","5","9","5","2","1") = "8"
    & skf18("6","6","5","9","5","3","1") = "8"
    & skf18("6","6","5","9","5","4","1") = "8"
    & skf18("6","6","5","9","5","5","1") = "8"
    & skf18("6","6","5","9","5","6","1") = "8"
    & skf18("6","6","5","9","5","7","1") = "8"
    & skf18("6","6","5","9","5","8","1") = "8"
    & skf18("6","6","5","9","5","9","1") = "8"
    & skf18("6","6","5","9","5","10","1") = "9"
    & skf18("6","6","5","9","6","1","1") = "8"
    & skf18("6","6","5","9","6","2","1") = "8"
    & skf18("6","6","5","9","6","3","1") = "8"
    & skf18("6","6","5","9","6","4","1") = "8"
    & skf18("6","6","5","9","6","5","1") = "8"
    & skf18("6","6","5","9","6","6","1") = "8"
    & skf18("6","6","5","9","6","7","1") = "8"
    & skf18("6","6","5","9","6","8","1") = "8"
    & skf18("6","6","5","9","6","9","1") = "8"
    & skf18("6","6","5","9","6","10","1") = "9"
    & skf18("6","6","5","9","7","1","1") = "8"
    & skf18("6","6","5","9","7","2","1") = "8"
    & skf18("6","6","5","9","7","3","1") = "8"
    & skf18("6","6","5","9","7","4","1") = "8"
    & skf18("6","6","5","9","7","5","1") = "8"
    & skf18("6","6","5","9","7","6","1") = "8"
    & skf18("6","6","5","9","7","7","1") = "8"
    & skf18("6","6","5","9","7","8","1") = "8"
    & skf18("6","6","5","9","7","9","1") = "8"
    & skf18("6","6","5","9","7","10","1") = "9"
    & skf18("6","6","5","9","8","1","1") = "8"
    & skf18("6","6","5","9","8","2","1") = "8"
    & skf18("6","6","5","9","8","3","1") = "8"
    & skf18("6","6","5","9","8","4","1") = "8"
    & skf18("6","6","5","9","8","5","1") = "8"
    & skf18("6","6","5","9","8","6","1") = "8"
    & skf18("6","6","5","9","8","7","1") = "8"
    & skf18("6","6","5","9","8","8","1") = "8"
    & skf18("6","6","5","9","8","9","1") = "8"
    & skf18("6","6","5","9","8","10","1") = "9"
    & skf18("6","6","5","9","9","1","1") = "8"
    & skf18("6","6","5","9","9","2","1") = "8"
    & skf18("6","6","5","9","9","3","1") = "8"
    & skf18("6","6","5","9","9","4","1") = "8"
    & skf18("6","6","5","9","9","5","1") = "8"
    & skf18("6","6","5","9","9","6","1") = "8"
    & skf18("6","6","5","9","9","7","1") = "8"
    & skf18("6","6","5","9","9","8","1") = "8"
    & skf18("6","6","5","9","9","9","1") = "8"
    & skf18("6","6","5","9","9","10","1") = "9"
    & skf18("6","6","5","9","10","1","1") = "9"
    & skf18("6","6","5","9","10","2","1") = "9"
    & skf18("6","6","5","9","10","3","1") = "9"
    & skf18("6","6","5","9","10","4","1") = "9"
    & skf18("6","6","5","9","10","5","1") = "9"
    & skf18("6","6","5","9","10","6","1") = "9"
    & skf18("6","6","5","9","10","7","1") = "9"
    & skf18("6","6","5","9","10","8","1") = "9"
    & skf18("6","6","5","9","10","9","1") = "9"
    & skf18("6","6","5","9","10","10","1") = "9"
    & skf18("6","6","5","10","1","1","1") = "9"
    & skf18("6","6","5","10","1","2","1") = "9"
    & skf18("6","6","5","10","1","3","1") = "9"
    & skf18("6","6","5","10","1","4","1") = "9"
    & skf18("6","6","5","10","1","5","1") = "9"
    & skf18("6","6","5","10","1","6","1") = "9"
    & skf18("6","6","5","10","1","7","1") = "9"
    & skf18("6","6","5","10","1","8","1") = "9"
    & skf18("6","6","5","10","1","9","1") = "9"
    & skf18("6","6","5","10","1","10","1") = "9"
    & skf18("6","6","5","10","2","1","1") = "9"
    & skf18("6","6","5","10","2","2","1") = "9"
    & skf18("6","6","5","10","2","3","1") = "9"
    & skf18("6","6","5","10","2","4","1") = "9"
    & skf18("6","6","5","10","2","5","1") = "9"
    & skf18("6","6","5","10","2","6","1") = "9"
    & skf18("6","6","5","10","2","7","1") = "9"
    & skf18("6","6","5","10","2","8","1") = "9"
    & skf18("6","6","5","10","2","9","1") = "9"
    & skf18("6","6","5","10","2","10","1") = "9"
    & skf18("6","6","5","10","3","1","1") = "9"
    & skf18("6","6","5","10","3","2","1") = "9"
    & skf18("6","6","5","10","3","3","1") = "9"
    & skf18("6","6","5","10","3","4","1") = "9"
    & skf18("6","6","5","10","3","5","1") = "9"
    & skf18("6","6","5","10","3","6","1") = "9"
    & skf18("6","6","5","10","3","7","1") = "9"
    & skf18("6","6","5","10","3","8","1") = "9"
    & skf18("6","6","5","10","3","9","1") = "9"
    & skf18("6","6","5","10","3","10","1") = "9"
    & skf18("6","6","5","10","4","1","1") = "9"
    & skf18("6","6","5","10","4","2","1") = "9"
    & skf18("6","6","5","10","4","3","1") = "9"
    & skf18("6","6","5","10","4","4","1") = "9"
    & skf18("6","6","5","10","4","5","1") = "9"
    & skf18("6","6","5","10","4","6","1") = "9"
    & skf18("6","6","5","10","4","7","1") = "9"
    & skf18("6","6","5","10","4","8","1") = "9"
    & skf18("6","6","5","10","4","9","1") = "9"
    & skf18("6","6","5","10","4","10","1") = "9"
    & skf18("6","6","5","10","5","1","1") = "9"
    & skf18("6","6","5","10","5","2","1") = "9"
    & skf18("6","6","5","10","5","3","1") = "9"
    & skf18("6","6","5","10","5","4","1") = "9"
    & skf18("6","6","5","10","5","5","1") = "9"
    & skf18("6","6","5","10","5","6","1") = "9"
    & skf18("6","6","5","10","5","7","1") = "9"
    & skf18("6","6","5","10","5","8","1") = "9"
    & skf18("6","6","5","10","5","9","1") = "9"
    & skf18("6","6","5","10","5","10","1") = "9"
    & skf18("6","6","5","10","6","1","1") = "9"
    & skf18("6","6","5","10","6","2","1") = "9"
    & skf18("6","6","5","10","6","3","1") = "9"
    & skf18("6","6","5","10","6","4","1") = "9"
    & skf18("6","6","5","10","6","5","1") = "9"
    & skf18("6","6","5","10","6","6","1") = "9"
    & skf18("6","6","5","10","6","7","1") = "9"
    & skf18("6","6","5","10","6","8","1") = "9"
    & skf18("6","6","5","10","6","9","1") = "9"
    & skf18("6","6","5","10","6","10","1") = "9"
    & skf18("6","6","5","10","7","1","1") = "9"
    & skf18("6","6","5","10","7","2","1") = "9"
    & skf18("6","6","5","10","7","3","1") = "9"
    & skf18("6","6","5","10","7","4","1") = "9"
    & skf18("6","6","5","10","7","5","1") = "9"
    & skf18("6","6","5","10","7","6","1") = "9"
    & skf18("6","6","5","10","7","7","1") = "9"
    & skf18("6","6","5","10","7","8","1") = "9"
    & skf18("6","6","5","10","7","9","1") = "9"
    & skf18("6","6","5","10","7","10","1") = "9"
    & skf18("6","6","5","10","8","1","1") = "9"
    & skf18("6","6","5","10","8","2","1") = "9"
    & skf18("6","6","5","10","8","3","1") = "9"
    & skf18("6","6","5","10","8","4","1") = "9"
    & skf18("6","6","5","10","8","5","1") = "9"
    & skf18("6","6","5","10","8","6","1") = "9"
    & skf18("6","6","5","10","8","7","1") = "9"
    & skf18("6","6","5","10","8","8","1") = "9"
    & skf18("6","6","5","10","8","9","1") = "9"
    & skf18("6","6","5","10","8","10","1") = "9"
    & skf18("6","6","5","10","9","1","1") = "9"
    & skf18("6","6","5","10","9","2","1") = "9"
    & skf18("6","6","5","10","9","3","1") = "9"
    & skf18("6","6","5","10","9","4","1") = "9"
    & skf18("6","6","5","10","9","5","1") = "9"
    & skf18("6","6","5","10","9","6","1") = "9"
    & skf18("6","6","5","10","9","7","1") = "9"
    & skf18("6","6","5","10","9","8","1") = "9"
    & skf18("6","6","5","10","9","9","1") = "9"
    & skf18("6","6","5","10","9","10","1") = "9"
    & skf18("6","6","5","10","10","1","1") = "9"
    & skf18("6","6","5","10","10","2","1") = "9"
    & skf18("6","6","5","10","10","3","1") = "9"
    & skf18("6","6","5","10","10","4","1") = "9"
    & skf18("6","6","5","10","10","5","1") = "9"
    & skf18("6","6","5","10","10","6","1") = "9"
    & skf18("6","6","5","10","10","7","1") = "9"
    & skf18("6","6","5","10","10","8","1") = "9"
    & skf18("6","6","5","10","10","9","1") = "9"
    & skf18("6","6","5","10","10","10","1") = "9"
    & skf18("6","6","6","1","1","1","1") = "5"
    & skf18("6","6","6","1","1","2","1") = "5"
    & skf18("6","6","6","1","1","3","1") = "5"
    & skf18("6","6","6","1","1","4","1") = "5"
    & skf18("6","6","6","1","1","5","1") = "5"
    & skf18("6","6","6","1","1","6","1") = "5"
    & skf18("6","6","6","1","1","7","1") = "6"
    & skf18("6","6","6","1","1","8","1") = "7"
    & skf18("6","6","6","1","1","9","1") = "8"
    & skf18("6","6","6","1","1","10","1") = "9"
    & skf18("6","6","6","1","2","1","1") = "5"
    & skf18("6","6","6","1","2","2","1") = "5"
    & skf18("6","6","6","1","2","3","1") = "5"
    & skf18("6","6","6","1","2","4","1") = "5"
    & skf18("6","6","6","1","2","5","1") = "5"
    & skf18("6","6","6","1","2","6","1") = "5"
    & skf18("6","6","6","1","2","7","1") = "6"
    & skf18("6","6","6","1","2","8","1") = "7"
    & skf18("6","6","6","1","2","9","1") = "8"
    & skf18("6","6","6","1","2","10","1") = "9"
    & skf18("6","6","6","1","3","1","1") = "5"
    & skf18("6","6","6","1","3","2","1") = "5"
    & skf18("6","6","6","1","3","3","1") = "5"
    & skf18("6","6","6","1","3","4","1") = "5"
    & skf18("6","6","6","1","3","5","1") = "5"
    & skf18("6","6","6","1","3","6","1") = "5"
    & skf18("6","6","6","1","3","7","1") = "6"
    & skf18("6","6","6","1","3","8","1") = "7"
    & skf18("6","6","6","1","3","9","1") = "8"
    & skf18("6","6","6","1","3","10","1") = "9"
    & skf18("6","6","6","1","4","1","1") = "5"
    & skf18("6","6","6","1","4","2","1") = "5"
    & skf18("6","6","6","1","4","3","1") = "5"
    & skf18("6","6","6","1","4","4","1") = "5"
    & skf18("6","6","6","1","4","5","1") = "5"
    & skf18("6","6","6","1","4","6","1") = "5"
    & skf18("6","6","6","1","4","7","1") = "6"
    & skf18("6","6","6","1","4","8","1") = "7"
    & skf18("6","6","6","1","4","9","1") = "8"
    & skf18("6","6","6","1","4","10","1") = "9"
    & skf18("6","6","6","1","5","1","1") = "5"
    & skf18("6","6","6","1","5","2","1") = "5"
    & skf18("6","6","6","1","5","3","1") = "5"
    & skf18("6","6","6","1","5","4","1") = "5"
    & skf18("6","6","6","1","5","5","1") = "5"
    & skf18("6","6","6","1","5","6","1") = "5"
    & skf18("6","6","6","1","5","7","1") = "6"
    & skf18("6","6","6","1","5","8","1") = "7"
    & skf18("6","6","6","1","5","9","1") = "8"
    & skf18("6","6","6","1","5","10","1") = "9"
    & skf18("6","6","6","1","6","1","1") = "5"
    & skf18("6","6","6","1","6","2","1") = "5"
    & skf18("6","6","6","1","6","3","1") = "5"
    & skf18("6","6","6","1","6","4","1") = "5"
    & skf18("6","6","6","1","6","5","1") = "5"
    & skf18("6","6","6","1","6","6","1") = "5"
    & skf18("6","6","6","1","6","7","1") = "6"
    & skf18("6","6","6","1","6","8","1") = "7"
    & skf18("6","6","6","1","6","9","1") = "8"
    & skf18("6","6","6","1","6","10","1") = "9"
    & skf18("6","6","6","1","7","1","1") = "6"
    & skf18("6","6","6","1","7","2","1") = "6"
    & skf18("6","6","6","1","7","3","1") = "6"
    & skf18("6","6","6","1","7","4","1") = "6"
    & skf18("6","6","6","1","7","5","1") = "6"
    & skf18("6","6","6","1","7","6","1") = "6"
    & skf18("6","6","6","1","7","7","1") = "6"
    & skf18("6","6","6","1","7","8","1") = "7"
    & skf18("6","6","6","1","7","9","1") = "8"
    & skf18("6","6","6","1","7","10","1") = "9"
    & skf18("6","6","6","1","8","1","1") = "7"
    & skf18("6","6","6","1","8","2","1") = "7"
    & skf18("6","6","6","1","8","3","1") = "7"
    & skf18("6","6","6","1","8","4","1") = "7"
    & skf18("6","6","6","1","8","5","1") = "7"
    & skf18("6","6","6","1","8","6","1") = "7"
    & skf18("6","6","6","1","8","7","1") = "7"
    & skf18("6","6","6","1","8","8","1") = "7"
    & skf18("6","6","6","1","8","9","1") = "8"
    & skf18("6","6","6","1","8","10","1") = "9"
    & skf18("6","6","6","1","9","1","1") = "8"
    & skf18("6","6","6","1","9","2","1") = "8"
    & skf18("6","6","6","1","9","3","1") = "8"
    & skf18("6","6","6","1","9","4","1") = "8"
    & skf18("6","6","6","1","9","5","1") = "8"
    & skf18("6","6","6","1","9","6","1") = "8"
    & skf18("6","6","6","1","9","7","1") = "8"
    & skf18("6","6","6","1","9","8","1") = "8"
    & skf18("6","6","6","1","9","9","1") = "8"
    & skf18("6","6","6","1","9","10","1") = "9"
    & skf18("6","6","6","1","10","1","1") = "9"
    & skf18("6","6","6","1","10","2","1") = "9"
    & skf18("6","6","6","1","10","3","1") = "9"
    & skf18("6","6","6","1","10","4","1") = "9"
    & skf18("6","6","6","1","10","5","1") = "9"
    & skf18("6","6","6","1","10","6","1") = "9"
    & skf18("6","6","6","1","10","7","1") = "9"
    & skf18("6","6","6","1","10","8","1") = "9"
    & skf18("6","6","6","1","10","9","1") = "9"
    & skf18("6","6","6","1","10","10","1") = "9"
    & skf18("6","6","6","2","1","1","1") = "5"
    & skf18("6","6","6","2","1","2","1") = "5"
    & skf18("6","6","6","2","1","3","1") = "5"
    & skf18("6","6","6","2","1","4","1") = "5"
    & skf18("6","6","6","2","1","5","1") = "5"
    & skf18("6","6","6","2","1","6","1") = "5"
    & skf18("6","6","6","2","1","7","1") = "6"
    & skf18("6","6","6","2","1","8","1") = "7"
    & skf18("6","6","6","2","1","9","1") = "8"
    & skf18("6","6","6","2","1","10","1") = "9"
    & skf18("6","6","6","2","2","1","1") = "5"
    & skf18("6","6","6","2","2","2","1") = "5"
    & skf18("6","6","6","2","2","3","1") = "5"
    & skf18("6","6","6","2","2","4","1") = "5"
    & skf18("6","6","6","2","2","5","1") = "5"
    & skf18("6","6","6","2","2","6","1") = "5"
    & skf18("6","6","6","2","2","7","1") = "6"
    & skf18("6","6","6","2","2","8","1") = "7"
    & skf18("6","6","6","2","2","9","1") = "8"
    & skf18("6","6","6","2","2","10","1") = "9"
    & skf18("6","6","6","2","3","1","1") = "5"
    & skf18("6","6","6","2","3","2","1") = "5"
    & skf18("6","6","6","2","3","3","1") = "5"
    & skf18("6","6","6","2","3","4","1") = "5"
    & skf18("6","6","6","2","3","5","1") = "5"
    & skf18("6","6","6","2","3","6","1") = "5"
    & skf18("6","6","6","2","3","7","1") = "6"
    & skf18("6","6","6","2","3","8","1") = "7"
    & skf18("6","6","6","2","3","9","1") = "8"
    & skf18("6","6","6","2","3","10","1") = "9"
    & skf18("6","6","6","2","4","1","1") = "5"
    & skf18("6","6","6","2","4","2","1") = "5"
    & skf18("6","6","6","2","4","3","1") = "5"
    & skf18("6","6","6","2","4","4","1") = "5"
    & skf18("6","6","6","2","4","5","1") = "5"
    & skf18("6","6","6","2","4","6","1") = "5"
    & skf18("6","6","6","2","4","7","1") = "6"
    & skf18("6","6","6","2","4","8","1") = "7"
    & skf18("6","6","6","2","4","9","1") = "8"
    & skf18("6","6","6","2","4","10","1") = "9"
    & skf18("6","6","6","2","5","1","1") = "5"
    & skf18("6","6","6","2","5","2","1") = "5"
    & skf18("6","6","6","2","5","3","1") = "5"
    & skf18("6","6","6","2","5","4","1") = "5"
    & skf18("6","6","6","2","5","5","1") = "5"
    & skf18("6","6","6","2","5","6","1") = "5"
    & skf18("6","6","6","2","5","7","1") = "6"
    & skf18("6","6","6","2","5","8","1") = "7"
    & skf18("6","6","6","2","5","9","1") = "8"
    & skf18("6","6","6","2","5","10","1") = "9"
    & skf18("6","6","6","2","6","1","1") = "5"
    & skf18("6","6","6","2","6","2","1") = "5"
    & skf18("6","6","6","2","6","3","1") = "5"
    & skf18("6","6","6","2","6","4","1") = "5"
    & skf18("6","6","6","2","6","5","1") = "5"
    & skf18("6","6","6","2","6","6","1") = "5"
    & skf18("6","6","6","2","6","7","1") = "6"
    & skf18("6","6","6","2","6","8","1") = "7"
    & skf18("6","6","6","2","6","9","1") = "8"
    & skf18("6","6","6","2","6","10","1") = "9"
    & skf18("6","6","6","2","7","1","1") = "6"
    & skf18("6","6","6","2","7","2","1") = "6"
    & skf18("6","6","6","2","7","3","1") = "6"
    & skf18("6","6","6","2","7","4","1") = "6"
    & skf18("6","6","6","2","7","5","1") = "6"
    & skf18("6","6","6","2","7","6","1") = "6"
    & skf18("6","6","6","2","7","7","1") = "6"
    & skf18("6","6","6","2","7","8","1") = "7"
    & skf18("6","6","6","2","7","9","1") = "8"
    & skf18("6","6","6","2","7","10","1") = "9"
    & skf18("6","6","6","2","8","1","1") = "7"
    & skf18("6","6","6","2","8","2","1") = "7"
    & skf18("6","6","6","2","8","3","1") = "7"
    & skf18("6","6","6","2","8","4","1") = "7"
    & skf18("6","6","6","2","8","5","1") = "7"
    & skf18("6","6","6","2","8","6","1") = "7"
    & skf18("6","6","6","2","8","7","1") = "7"
    & skf18("6","6","6","2","8","8","1") = "7"
    & skf18("6","6","6","2","8","9","1") = "8"
    & skf18("6","6","6","2","8","10","1") = "9"
    & skf18("6","6","6","2","9","1","1") = "8"
    & skf18("6","6","6","2","9","2","1") = "8"
    & skf18("6","6","6","2","9","3","1") = "8"
    & skf18("6","6","6","2","9","4","1") = "8"
    & skf18("6","6","6","2","9","5","1") = "8"
    & skf18("6","6","6","2","9","6","1") = "8"
    & skf18("6","6","6","2","9","7","1") = "8"
    & skf18("6","6","6","2","9","8","1") = "8"
    & skf18("6","6","6","2","9","9","1") = "8"
    & skf18("6","6","6","2","9","10","1") = "9"
    & skf18("6","6","6","2","10","1","1") = "9"
    & skf18("6","6","6","2","10","2","1") = "9"
    & skf18("6","6","6","2","10","3","1") = "9"
    & skf18("6","6","6","2","10","4","1") = "9"
    & skf18("6","6","6","2","10","5","1") = "9"
    & skf18("6","6","6","2","10","6","1") = "9"
    & skf18("6","6","6","2","10","7","1") = "9"
    & skf18("6","6","6","2","10","8","1") = "9"
    & skf18("6","6","6","2","10","9","1") = "9"
    & skf18("6","6","6","2","10","10","1") = "9"
    & skf18("6","6","6","3","1","1","1") = "5"
    & skf18("6","6","6","3","1","2","1") = "5"
    & skf18("6","6","6","3","1","3","1") = "5"
    & skf18("6","6","6","3","1","4","1") = "5"
    & skf18("6","6","6","3","1","5","1") = "5"
    & skf18("6","6","6","3","1","6","1") = "5"
    & skf18("6","6","6","3","1","7","1") = "6"
    & skf18("6","6","6","3","1","8","1") = "7"
    & skf18("6","6","6","3","1","9","1") = "8"
    & skf18("6","6","6","3","1","10","1") = "9"
    & skf18("6","6","6","3","2","1","1") = "5"
    & skf18("6","6","6","3","2","2","1") = "5"
    & skf18("6","6","6","3","2","3","1") = "5"
    & skf18("6","6","6","3","2","4","1") = "5"
    & skf18("6","6","6","3","2","5","1") = "5"
    & skf18("6","6","6","3","2","6","1") = "5"
    & skf18("6","6","6","3","2","7","1") = "6"
    & skf18("6","6","6","3","2","8","1") = "7"
    & skf18("6","6","6","3","2","9","1") = "8"
    & skf18("6","6","6","3","2","10","1") = "9"
    & skf18("6","6","6","3","3","1","1") = "5"
    & skf18("6","6","6","3","3","2","1") = "5"
    & skf18("6","6","6","3","3","3","1") = "5"
    & skf18("6","6","6","3","3","4","1") = "5"
    & skf18("6","6","6","3","3","5","1") = "5"
    & skf18("6","6","6","3","3","6","1") = "5"
    & skf18("6","6","6","3","3","7","1") = "6"
    & skf18("6","6","6","3","3","8","1") = "7"
    & skf18("6","6","6","3","3","9","1") = "8"
    & skf18("6","6","6","3","3","10","1") = "9"
    & skf18("6","6","6","3","4","1","1") = "5"
    & skf18("6","6","6","3","4","2","1") = "5"
    & skf18("6","6","6","3","4","3","1") = "5"
    & skf18("6","6","6","3","4","4","1") = "5"
    & skf18("6","6","6","3","4","5","1") = "5"
    & skf18("6","6","6","3","4","6","1") = "5"
    & skf18("6","6","6","3","4","7","1") = "6"
    & skf18("6","6","6","3","4","8","1") = "7"
    & skf18("6","6","6","3","4","9","1") = "8"
    & skf18("6","6","6","3","4","10","1") = "9"
    & skf18("6","6","6","3","5","1","1") = "5"
    & skf18("6","6","6","3","5","2","1") = "5"
    & skf18("6","6","6","3","5","3","1") = "5"
    & skf18("6","6","6","3","5","4","1") = "5"
    & skf18("6","6","6","3","5","5","1") = "5"
    & skf18("6","6","6","3","5","6","1") = "5"
    & skf18("6","6","6","3","5","7","1") = "6"
    & skf18("6","6","6","3","5","8","1") = "7"
    & skf18("6","6","6","3","5","9","1") = "8"
    & skf18("6","6","6","3","5","10","1") = "9"
    & skf18("6","6","6","3","6","1","1") = "5"
    & skf18("6","6","6","3","6","2","1") = "5"
    & skf18("6","6","6","3","6","3","1") = "5"
    & skf18("6","6","6","3","6","4","1") = "5"
    & skf18("6","6","6","3","6","5","1") = "5"
    & skf18("6","6","6","3","6","6","1") = "5"
    & skf18("6","6","6","3","6","7","1") = "6"
    & skf18("6","6","6","3","6","8","1") = "7"
    & skf18("6","6","6","3","6","9","1") = "8"
    & skf18("6","6","6","3","6","10","1") = "9"
    & skf18("6","6","6","3","7","1","1") = "6"
    & skf18("6","6","6","3","7","2","1") = "6"
    & skf18("6","6","6","3","7","3","1") = "6"
    & skf18("6","6","6","3","7","4","1") = "6"
    & skf18("6","6","6","3","7","5","1") = "6"
    & skf18("6","6","6","3","7","6","1") = "6"
    & skf18("6","6","6","3","7","7","1") = "6"
    & skf18("6","6","6","3","7","8","1") = "7"
    & skf18("6","6","6","3","7","9","1") = "8"
    & skf18("6","6","6","3","7","10","1") = "9"
    & skf18("6","6","6","3","8","1","1") = "7"
    & skf18("6","6","6","3","8","2","1") = "7"
    & skf18("6","6","6","3","8","3","1") = "7"
    & skf18("6","6","6","3","8","4","1") = "7"
    & skf18("6","6","6","3","8","5","1") = "7"
    & skf18("6","6","6","3","8","6","1") = "7"
    & skf18("6","6","6","3","8","7","1") = "7"
    & skf18("6","6","6","3","8","8","1") = "7"
    & skf18("6","6","6","3","8","9","1") = "8"
    & skf18("6","6","6","3","8","10","1") = "9"
    & skf18("6","6","6","3","9","1","1") = "8"
    & skf18("6","6","6","3","9","2","1") = "8"
    & skf18("6","6","6","3","9","3","1") = "8"
    & skf18("6","6","6","3","9","4","1") = "8"
    & skf18("6","6","6","3","9","5","1") = "8"
    & skf18("6","6","6","3","9","6","1") = "8"
    & skf18("6","6","6","3","9","7","1") = "8"
    & skf18("6","6","6","3","9","8","1") = "8"
    & skf18("6","6","6","3","9","9","1") = "8"
    & skf18("6","6","6","3","9","10","1") = "9"
    & skf18("6","6","6","3","10","1","1") = "9"
    & skf18("6","6","6","3","10","2","1") = "9"
    & skf18("6","6","6","3","10","3","1") = "9"
    & skf18("6","6","6","3","10","4","1") = "9"
    & skf18("6","6","6","3","10","5","1") = "9"
    & skf18("6","6","6","3","10","6","1") = "9"
    & skf18("6","6","6","3","10","7","1") = "9"
    & skf18("6","6","6","3","10","8","1") = "9"
    & skf18("6","6","6","3","10","9","1") = "9"
    & skf18("6","6","6","3","10","10","1") = "9"
    & skf18("6","6","6","4","1","1","1") = "5"
    & skf18("6","6","6","4","1","2","1") = "5"
    & skf18("6","6","6","4","1","3","1") = "5"
    & skf18("6","6","6","4","1","4","1") = "5"
    & skf18("6","6","6","4","1","5","1") = "5"
    & skf18("6","6","6","4","1","6","1") = "5"
    & skf18("6","6","6","4","1","7","1") = "6"
    & skf18("6","6","6","4","1","8","1") = "7"
    & skf18("6","6","6","4","1","9","1") = "8"
    & skf18("6","6","6","4","1","10","1") = "9"
    & skf18("6","6","6","4","2","1","1") = "5"
    & skf18("6","6","6","4","2","2","1") = "5"
    & skf18("6","6","6","4","2","3","1") = "5"
    & skf18("6","6","6","4","2","4","1") = "5"
    & skf18("6","6","6","4","2","5","1") = "5"
    & skf18("6","6","6","4","2","6","1") = "5"
    & skf18("6","6","6","4","2","7","1") = "6"
    & skf18("6","6","6","4","2","8","1") = "7"
    & skf18("6","6","6","4","2","9","1") = "8"
    & skf18("6","6","6","4","2","10","1") = "9"
    & skf18("6","6","6","4","3","1","1") = "5"
    & skf18("6","6","6","4","3","2","1") = "5"
    & skf18("6","6","6","4","3","3","1") = "5"
    & skf18("6","6","6","4","3","4","1") = "5"
    & skf18("6","6","6","4","3","5","1") = "5"
    & skf18("6","6","6","4","3","6","1") = "5"
    & skf18("6","6","6","4","3","7","1") = "6"
    & skf18("6","6","6","4","3","8","1") = "7"
    & skf18("6","6","6","4","3","9","1") = "8"
    & skf18("6","6","6","4","3","10","1") = "9"
    & skf18("6","6","6","4","4","1","1") = "5"
    & skf18("6","6","6","4","4","2","1") = "5"
    & skf18("6","6","6","4","4","3","1") = "5"
    & skf18("6","6","6","4","4","4","1") = "5"
    & skf18("6","6","6","4","4","5","1") = "5"
    & skf18("6","6","6","4","4","6","1") = "5"
    & skf18("6","6","6","4","4","7","1") = "6"
    & skf18("6","6","6","4","4","8","1") = "7"
    & skf18("6","6","6","4","4","9","1") = "8"
    & skf18("6","6","6","4","4","10","1") = "9"
    & skf18("6","6","6","4","5","1","1") = "5"
    & skf18("6","6","6","4","5","2","1") = "5"
    & skf18("6","6","6","4","5","3","1") = "5"
    & skf18("6","6","6","4","5","4","1") = "5"
    & skf18("6","6","6","4","5","5","1") = "5"
    & skf18("6","6","6","4","5","6","1") = "5"
    & skf18("6","6","6","4","5","7","1") = "6"
    & skf18("6","6","6","4","5","8","1") = "7"
    & skf18("6","6","6","4","5","9","1") = "8"
    & skf18("6","6","6","4","5","10","1") = "9"
    & skf18("6","6","6","4","6","1","1") = "5"
    & skf18("6","6","6","4","6","2","1") = "5"
    & skf18("6","6","6","4","6","3","1") = "5"
    & skf18("6","6","6","4","6","4","1") = "5"
    & skf18("6","6","6","4","6","5","1") = "5"
    & skf18("6","6","6","4","6","6","1") = "5"
    & skf18("6","6","6","4","6","7","1") = "6"
    & skf18("6","6","6","4","6","8","1") = "7"
    & skf18("6","6","6","4","6","9","1") = "8"
    & skf18("6","6","6","4","6","10","1") = "9"
    & skf18("6","6","6","4","7","1","1") = "6"
    & skf18("6","6","6","4","7","2","1") = "6"
    & skf18("6","6","6","4","7","3","1") = "6"
    & skf18("6","6","6","4","7","4","1") = "6"
    & skf18("6","6","6","4","7","5","1") = "6"
    & skf18("6","6","6","4","7","6","1") = "6"
    & skf18("6","6","6","4","7","7","1") = "6"
    & skf18("6","6","6","4","7","8","1") = "7"
    & skf18("6","6","6","4","7","9","1") = "8"
    & skf18("6","6","6","4","7","10","1") = "9"
    & skf18("6","6","6","4","8","1","1") = "7"
    & skf18("6","6","6","4","8","2","1") = "7"
    & skf18("6","6","6","4","8","3","1") = "7"
    & skf18("6","6","6","4","8","4","1") = "7"
    & skf18("6","6","6","4","8","5","1") = "7"
    & skf18("6","6","6","4","8","6","1") = "7"
    & skf18("6","6","6","4","8","7","1") = "7"
    & skf18("6","6","6","4","8","8","1") = "7"
    & skf18("6","6","6","4","8","9","1") = "8"
    & skf18("6","6","6","4","8","10","1") = "9"
    & skf18("6","6","6","4","9","1","1") = "8"
    & skf18("6","6","6","4","9","2","1") = "8"
    & skf18("6","6","6","4","9","3","1") = "8"
    & skf18("6","6","6","4","9","4","1") = "8"
    & skf18("6","6","6","4","9","5","1") = "8"
    & skf18("6","6","6","4","9","6","1") = "8"
    & skf18("6","6","6","4","9","7","1") = "8"
    & skf18("6","6","6","4","9","8","1") = "8"
    & skf18("6","6","6","4","9","9","1") = "8"
    & skf18("6","6","6","4","9","10","1") = "9"
    & skf18("6","6","6","4","10","1","1") = "9"
    & skf18("6","6","6","4","10","2","1") = "9"
    & skf18("6","6","6","4","10","3","1") = "9"
    & skf18("6","6","6","4","10","4","1") = "9"
    & skf18("6","6","6","4","10","5","1") = "9"
    & skf18("6","6","6","4","10","6","1") = "9"
    & skf18("6","6","6","4","10","7","1") = "9"
    & skf18("6","6","6","4","10","8","1") = "9"
    & skf18("6","6","6","4","10","9","1") = "9"
    & skf18("6","6","6","4","10","10","1") = "9"
    & skf18("6","6","6","5","1","1","1") = "5"
    & skf18("6","6","6","5","1","2","1") = "5"
    & skf18("6","6","6","5","1","3","1") = "5"
    & skf18("6","6","6","5","1","4","1") = "5"
    & skf18("6","6","6","5","1","5","1") = "5"
    & skf18("6","6","6","5","1","6","1") = "5"
    & skf18("6","6","6","5","1","7","1") = "6"
    & skf18("6","6","6","5","1","8","1") = "7"
    & skf18("6","6","6","5","1","9","1") = "8"
    & skf18("6","6","6","5","1","10","1") = "9"
    & skf18("6","6","6","5","2","1","1") = "5"
    & skf18("6","6","6","5","2","2","1") = "5"
    & skf18("6","6","6","5","2","3","1") = "5"
    & skf18("6","6","6","5","2","4","1") = "5"
    & skf18("6","6","6","5","2","5","1") = "5"
    & skf18("6","6","6","5","2","6","1") = "5"
    & skf18("6","6","6","5","2","7","1") = "6"
    & skf18("6","6","6","5","2","8","1") = "7"
    & skf18("6","6","6","5","2","9","1") = "8"
    & skf18("6","6","6","5","2","10","1") = "9"
    & skf18("6","6","6","5","3","1","1") = "5"
    & skf18("6","6","6","5","3","2","1") = "5"
    & skf18("6","6","6","5","3","3","1") = "5"
    & skf18("6","6","6","5","3","4","1") = "5"
    & skf18("6","6","6","5","3","5","1") = "5"
    & skf18("6","6","6","5","3","6","1") = "5"
    & skf18("6","6","6","5","3","7","1") = "6"
    & skf18("6","6","6","5","3","8","1") = "7"
    & skf18("6","6","6","5","3","9","1") = "8"
    & skf18("6","6","6","5","3","10","1") = "9"
    & skf18("6","6","6","5","4","1","1") = "5"
    & skf18("6","6","6","5","4","2","1") = "5"
    & skf18("6","6","6","5","4","3","1") = "5"
    & skf18("6","6","6","5","4","4","1") = "5"
    & skf18("6","6","6","5","4","5","1") = "5"
    & skf18("6","6","6","5","4","6","1") = "5"
    & skf18("6","6","6","5","4","7","1") = "6"
    & skf18("6","6","6","5","4","8","1") = "7"
    & skf18("6","6","6","5","4","9","1") = "8"
    & skf18("6","6","6","5","4","10","1") = "9"
    & skf18("6","6","6","5","5","1","1") = "5"
    & skf18("6","6","6","5","5","2","1") = "5"
    & skf18("6","6","6","5","5","3","1") = "5"
    & skf18("6","6","6","5","5","4","1") = "5"
    & skf18("6","6","6","5","5","5","1") = "5"
    & skf18("6","6","6","5","5","6","1") = "5"
    & skf18("6","6","6","5","5","7","1") = "6"
    & skf18("6","6","6","5","5","8","1") = "7"
    & skf18("6","6","6","5","5","9","1") = "8"
    & skf18("6","6","6","5","5","10","1") = "9"
    & skf18("6","6","6","5","6","1","1") = "5"
    & skf18("6","6","6","5","6","2","1") = "5"
    & skf18("6","6","6","5","6","3","1") = "5"
    & skf18("6","6","6","5","6","4","1") = "5"
    & skf18("6","6","6","5","6","5","1") = "5"
    & skf18("6","6","6","5","6","6","1") = "5"
    & skf18("6","6","6","5","6","7","1") = "6"
    & skf18("6","6","6","5","6","8","1") = "7"
    & skf18("6","6","6","5","6","9","1") = "8"
    & skf18("6","6","6","5","6","10","1") = "9"
    & skf18("6","6","6","5","7","1","1") = "6"
    & skf18("6","6","6","5","7","2","1") = "6"
    & skf18("6","6","6","5","7","3","1") = "6"
    & skf18("6","6","6","5","7","4","1") = "6"
    & skf18("6","6","6","5","7","5","1") = "6"
    & skf18("6","6","6","5","7","6","1") = "6"
    & skf18("6","6","6","5","7","7","1") = "6"
    & skf18("6","6","6","5","7","8","1") = "7"
    & skf18("6","6","6","5","7","9","1") = "8"
    & skf18("6","6","6","5","7","10","1") = "9"
    & skf18("6","6","6","5","8","1","1") = "7"
    & skf18("6","6","6","5","8","2","1") = "7"
    & skf18("6","6","6","5","8","3","1") = "7"
    & skf18("6","6","6","5","8","4","1") = "7"
    & skf18("6","6","6","5","8","5","1") = "7"
    & skf18("6","6","6","5","8","6","1") = "7"
    & skf18("6","6","6","5","8","7","1") = "7"
    & skf18("6","6","6","5","8","8","1") = "7"
    & skf18("6","6","6","5","8","9","1") = "8"
    & skf18("6","6","6","5","8","10","1") = "9"
    & skf18("6","6","6","5","9","1","1") = "8"
    & skf18("6","6","6","5","9","2","1") = "8"
    & skf18("6","6","6","5","9","3","1") = "8"
    & skf18("6","6","6","5","9","4","1") = "8"
    & skf18("6","6","6","5","9","5","1") = "8"
    & skf18("6","6","6","5","9","6","1") = "8"
    & skf18("6","6","6","5","9","7","1") = "8"
    & skf18("6","6","6","5","9","8","1") = "8"
    & skf18("6","6","6","5","9","9","1") = "8"
    & skf18("6","6","6","5","9","10","1") = "9"
    & skf18("6","6","6","5","10","1","1") = "9"
    & skf18("6","6","6","5","10","2","1") = "9"
    & skf18("6","6","6","5","10","3","1") = "9"
    & skf18("6","6","6","5","10","4","1") = "9"
    & skf18("6","6","6","5","10","5","1") = "9"
    & skf18("6","6","6","5","10","6","1") = "9"
    & skf18("6","6","6","5","10","7","1") = "9"
    & skf18("6","6","6","5","10","8","1") = "9"
    & skf18("6","6","6","5","10","9","1") = "9"
    & skf18("6","6","6","5","10","10","1") = "9"
    & skf18("6","6","6","6","1","1","1") = "5"
    & skf18("6","6","6","6","1","2","1") = "5"
    & skf18("6","6","6","6","1","3","1") = "5"
    & skf18("6","6","6","6","1","4","1") = "5"
    & skf18("6","6","6","6","1","5","1") = "5"
    & skf18("6","6","6","6","1","6","1") = "5"
    & skf18("6","6","6","6","1","7","1") = "6"
    & skf18("6","6","6","6","1","8","1") = "7"
    & skf18("6","6","6","6","1","9","1") = "8"
    & skf18("6","6","6","6","1","10","1") = "9"
    & skf18("6","6","6","6","2","1","1") = "5"
    & skf18("6","6","6","6","2","2","1") = "5"
    & skf18("6","6","6","6","2","3","1") = "5"
    & skf18("6","6","6","6","2","4","1") = "5"
    & skf18("6","6","6","6","2","5","1") = "5"
    & skf18("6","6","6","6","2","6","1") = "5"
    & skf18("6","6","6","6","2","7","1") = "6"
    & skf18("6","6","6","6","2","8","1") = "7"
    & skf18("6","6","6","6","2","9","1") = "8"
    & skf18("6","6","6","6","2","10","1") = "9"
    & skf18("6","6","6","6","3","1","1") = "5"
    & skf18("6","6","6","6","3","2","1") = "5"
    & skf18("6","6","6","6","3","3","1") = "5"
    & skf18("6","6","6","6","3","4","1") = "5"
    & skf18("6","6","6","6","3","5","1") = "5"
    & skf18("6","6","6","6","3","6","1") = "5"
    & skf18("6","6","6","6","3","7","1") = "6"
    & skf18("6","6","6","6","3","8","1") = "7"
    & skf18("6","6","6","6","3","9","1") = "8"
    & skf18("6","6","6","6","3","10","1") = "9"
    & skf18("6","6","6","6","4","1","1") = "5"
    & skf18("6","6","6","6","4","2","1") = "5"
    & skf18("6","6","6","6","4","3","1") = "5"
    & skf18("6","6","6","6","4","4","1") = "5"
    & skf18("6","6","6","6","4","5","1") = "5"
    & skf18("6","6","6","6","4","6","1") = "5"
    & skf18("6","6","6","6","4","7","1") = "6"
    & skf18("6","6","6","6","4","8","1") = "7"
    & skf18("6","6","6","6","4","9","1") = "8"
    & skf18("6","6","6","6","4","10","1") = "9"
    & skf18("6","6","6","6","5","1","1") = "5"
    & skf18("6","6","6","6","5","2","1") = "5"
    & skf18("6","6","6","6","5","3","1") = "5"
    & skf18("6","6","6","6","5","4","1") = "5"
    & skf18("6","6","6","6","5","5","1") = "5"
    & skf18("6","6","6","6","5","6","1") = "5"
    & skf18("6","6","6","6","5","7","1") = "6"
    & skf18("6","6","6","6","5","8","1") = "7"
    & skf18("6","6","6","6","5","9","1") = "8"
    & skf18("6","6","6","6","5","10","1") = "9"
    & skf18("6","6","6","6","6","1","1") = "5"
    & skf18("6","6","6","6","6","2","1") = "5"
    & skf18("6","6","6","6","6","3","1") = "5"
    & skf18("6","6","6","6","6","4","1") = "5"
    & skf18("6","6","6","6","6","5","1") = "5"
    & skf18("6","6","6","6","6","6","1") = "5"
    & skf18("6","6","6","6","6","7","1") = "6"
    & skf18("6","6","6","6","6","8","1") = "7"
    & skf18("6","6","6","6","6","9","1") = "8"
    & skf18("6","6","6","6","6","10","1") = "9"
    & skf18("6","6","6","6","7","1","1") = "6"
    & skf18("6","6","6","6","7","2","1") = "6"
    & skf18("6","6","6","6","7","3","1") = "6"
    & skf18("6","6","6","6","7","4","1") = "6"
    & skf18("6","6","6","6","7","5","1") = "6"
    & skf18("6","6","6","6","7","6","1") = "6"
    & skf18("6","6","6","6","7","7","1") = "6"
    & skf18("6","6","6","6","7","8","1") = "7"
    & skf18("6","6","6","6","7","9","1") = "8"
    & skf18("6","6","6","6","7","10","1") = "9"
    & skf18("6","6","6","6","8","1","1") = "7"
    & skf18("6","6","6","6","8","2","1") = "7"
    & skf18("6","6","6","6","8","3","1") = "7"
    & skf18("6","6","6","6","8","4","1") = "7"
    & skf18("6","6","6","6","8","5","1") = "7"
    & skf18("6","6","6","6","8","6","1") = "7"
    & skf18("6","6","6","6","8","7","1") = "7"
    & skf18("6","6","6","6","8","8","1") = "7"
    & skf18("6","6","6","6","8","9","1") = "8"
    & skf18("6","6","6","6","8","10","1") = "9"
    & skf18("6","6","6","6","9","1","1") = "8"
    & skf18("6","6","6","6","9","2","1") = "8"
    & skf18("6","6","6","6","9","3","1") = "8"
    & skf18("6","6","6","6","9","4","1") = "8"
    & skf18("6","6","6","6","9","5","1") = "8"
    & skf18("6","6","6","6","9","6","1") = "8"
    & skf18("6","6","6","6","9","7","1") = "8"
    & skf18("6","6","6","6","9","8","1") = "8"
    & skf18("6","6","6","6","9","9","1") = "8"
    & skf18("6","6","6","6","9","10","1") = "9"
    & skf18("6","6","6","6","10","1","1") = "9"
    & skf18("6","6","6","6","10","2","1") = "9"
    & skf18("6","6","6","6","10","3","1") = "9"
    & skf18("6","6","6","6","10","4","1") = "9"
    & skf18("6","6","6","6","10","5","1") = "9"
    & skf18("6","6","6","6","10","6","1") = "9"
    & skf18("6","6","6","6","10","7","1") = "9"
    & skf18("6","6","6","6","10","8","1") = "9"
    & skf18("6","6","6","6","10","9","1") = "9"
    & skf18("6","6","6","6","10","10","1") = "9"
    & skf18("6","6","6","7","1","1","1") = "6"
    & skf18("6","6","6","7","1","2","1") = "6"
    & skf18("6","6","6","7","1","3","1") = "6"
    & skf18("6","6","6","7","1","4","1") = "6"
    & skf18("6","6","6","7","1","5","1") = "6"
    & skf18("6","6","6","7","1","6","1") = "6"
    & skf18("6","6","6","7","1","7","1") = "6"
    & skf18("6","6","6","7","1","8","1") = "7"
    & skf18("6","6","6","7","1","9","1") = "8"
    & skf18("6","6","6","7","1","10","1") = "9"
    & skf18("6","6","6","7","2","1","1") = "6"
    & skf18("6","6","6","7","2","2","1") = "6"
    & skf18("6","6","6","7","2","3","1") = "6"
    & skf18("6","6","6","7","2","4","1") = "6"
    & skf18("6","6","6","7","2","5","1") = "6"
    & skf18("6","6","6","7","2","6","1") = "6"
    & skf18("6","6","6","7","2","7","1") = "6"
    & skf18("6","6","6","7","2","8","1") = "7"
    & skf18("6","6","6","7","2","9","1") = "8"
    & skf18("6","6","6","7","2","10","1") = "9"
    & skf18("6","6","6","7","3","1","1") = "6"
    & skf18("6","6","6","7","3","2","1") = "6"
    & skf18("6","6","6","7","3","3","1") = "6"
    & skf18("6","6","6","7","3","4","1") = "6"
    & skf18("6","6","6","7","3","5","1") = "6"
    & skf18("6","6","6","7","3","6","1") = "6"
    & skf18("6","6","6","7","3","7","1") = "6"
    & skf18("6","6","6","7","3","8","1") = "7"
    & skf18("6","6","6","7","3","9","1") = "8"
    & skf18("6","6","6","7","3","10","1") = "9"
    & skf18("6","6","6","7","4","1","1") = "6"
    & skf18("6","6","6","7","4","2","1") = "6"
    & skf18("6","6","6","7","4","3","1") = "6"
    & skf18("6","6","6","7","4","4","1") = "6"
    & skf18("6","6","6","7","4","5","1") = "6"
    & skf18("6","6","6","7","4","6","1") = "6"
    & skf18("6","6","6","7","4","7","1") = "6"
    & skf18("6","6","6","7","4","8","1") = "7"
    & skf18("6","6","6","7","4","9","1") = "8"
    & skf18("6","6","6","7","4","10","1") = "9"
    & skf18("6","6","6","7","5","1","1") = "6"
    & skf18("6","6","6","7","5","2","1") = "6"
    & skf18("6","6","6","7","5","3","1") = "6"
    & skf18("6","6","6","7","5","4","1") = "6"
    & skf18("6","6","6","7","5","5","1") = "6"
    & skf18("6","6","6","7","5","6","1") = "6"
    & skf18("6","6","6","7","5","7","1") = "6"
    & skf18("6","6","6","7","5","8","1") = "7"
    & skf18("6","6","6","7","5","9","1") = "8"
    & skf18("6","6","6","7","5","10","1") = "9"
    & skf18("6","6","6","7","6","1","1") = "6"
    & skf18("6","6","6","7","6","2","1") = "6"
    & skf18("6","6","6","7","6","3","1") = "6"
    & skf18("6","6","6","7","6","4","1") = "6"
    & skf18("6","6","6","7","6","5","1") = "6"
    & skf18("6","6","6","7","6","6","1") = "6"
    & skf18("6","6","6","7","6","7","1") = "6"
    & skf18("6","6","6","7","6","8","1") = "7"
    & skf18("6","6","6","7","6","9","1") = "8"
    & skf18("6","6","6","7","6","10","1") = "9"
    & skf18("6","6","6","7","7","1","1") = "6"
    & skf18("6","6","6","7","7","2","1") = "6"
    & skf18("6","6","6","7","7","3","1") = "6"
    & skf18("6","6","6","7","7","4","1") = "6"
    & skf18("6","6","6","7","7","5","1") = "6"
    & skf18("6","6","6","7","7","6","1") = "6"
    & skf18("6","6","6","7","7","7","1") = "6"
    & skf18("6","6","6","7","7","8","1") = "7"
    & skf18("6","6","6","7","7","9","1") = "8"
    & skf18("6","6","6","7","7","10","1") = "9"
    & skf18("6","6","6","7","8","1","1") = "7"
    & skf18("6","6","6","7","8","2","1") = "7"
    & skf18("6","6","6","7","8","3","1") = "7"
    & skf18("6","6","6","7","8","4","1") = "7"
    & skf18("6","6","6","7","8","5","1") = "7"
    & skf18("6","6","6","7","8","6","1") = "7"
    & skf18("6","6","6","7","8","7","1") = "7"
    & skf18("6","6","6","7","8","8","1") = "7"
    & skf18("6","6","6","7","8","9","1") = "8"
    & skf18("6","6","6","7","8","10","1") = "9"
    & skf18("6","6","6","7","9","1","1") = "8"
    & skf18("6","6","6","7","9","2","1") = "8"
    & skf18("6","6","6","7","9","3","1") = "8"
    & skf18("6","6","6","7","9","4","1") = "8"
    & skf18("6","6","6","7","9","5","1") = "8"
    & skf18("6","6","6","7","9","6","1") = "8"
    & skf18("6","6","6","7","9","7","1") = "8"
    & skf18("6","6","6","7","9","8","1") = "8"
    & skf18("6","6","6","7","9","9","1") = "8"
    & skf18("6","6","6","7","9","10","1") = "9"
    & skf18("6","6","6","7","10","1","1") = "9"
    & skf18("6","6","6","7","10","2","1") = "9"
    & skf18("6","6","6","7","10","3","1") = "9"
    & skf18("6","6","6","7","10","4","1") = "9"
    & skf18("6","6","6","7","10","5","1") = "9"
    & skf18("6","6","6","7","10","6","1") = "9"
    & skf18("6","6","6","7","10","7","1") = "9"
    & skf18("6","6","6","7","10","8","1") = "9"
    & skf18("6","6","6","7","10","9","1") = "9"
    & skf18("6","6","6","7","10","10","1") = "9"
    & skf18("6","6","6","8","1","1","1") = "7"
    & skf18("6","6","6","8","1","2","1") = "7"
    & skf18("6","6","6","8","1","3","1") = "7"
    & skf18("6","6","6","8","1","4","1") = "7"
    & skf18("6","6","6","8","1","5","1") = "7"
    & skf18("6","6","6","8","1","6","1") = "7"
    & skf18("6","6","6","8","1","7","1") = "7"
    & skf18("6","6","6","8","1","8","1") = "7"
    & skf18("6","6","6","8","1","9","1") = "8"
    & skf18("6","6","6","8","1","10","1") = "9"
    & skf18("6","6","6","8","2","1","1") = "7"
    & skf18("6","6","6","8","2","2","1") = "7"
    & skf18("6","6","6","8","2","3","1") = "7"
    & skf18("6","6","6","8","2","4","1") = "7"
    & skf18("6","6","6","8","2","5","1") = "7"
    & skf18("6","6","6","8","2","6","1") = "7"
    & skf18("6","6","6","8","2","7","1") = "7"
    & skf18("6","6","6","8","2","8","1") = "7"
    & skf18("6","6","6","8","2","9","1") = "8"
    & skf18("6","6","6","8","2","10","1") = "9"
    & skf18("6","6","6","8","3","1","1") = "7"
    & skf18("6","6","6","8","3","2","1") = "7"
    & skf18("6","6","6","8","3","3","1") = "7"
    & skf18("6","6","6","8","3","4","1") = "7"
    & skf18("6","6","6","8","3","5","1") = "7"
    & skf18("6","6","6","8","3","6","1") = "7"
    & skf18("6","6","6","8","3","7","1") = "7"
    & skf18("6","6","6","8","3","8","1") = "7"
    & skf18("6","6","6","8","3","9","1") = "8"
    & skf18("6","6","6","8","3","10","1") = "9"
    & skf18("6","6","6","8","4","1","1") = "7"
    & skf18("6","6","6","8","4","2","1") = "7"
    & skf18("6","6","6","8","4","3","1") = "7"
    & skf18("6","6","6","8","4","4","1") = "7"
    & skf18("6","6","6","8","4","5","1") = "7"
    & skf18("6","6","6","8","4","6","1") = "7"
    & skf18("6","6","6","8","4","7","1") = "7"
    & skf18("6","6","6","8","4","8","1") = "7"
    & skf18("6","6","6","8","4","9","1") = "8"
    & skf18("6","6","6","8","4","10","1") = "9"
    & skf18("6","6","6","8","5","1","1") = "7"
    & skf18("6","6","6","8","5","2","1") = "7"
    & skf18("6","6","6","8","5","3","1") = "7"
    & skf18("6","6","6","8","5","4","1") = "7"
    & skf18("6","6","6","8","5","5","1") = "7"
    & skf18("6","6","6","8","5","6","1") = "7"
    & skf18("6","6","6","8","5","7","1") = "7"
    & skf18("6","6","6","8","5","8","1") = "7"
    & skf18("6","6","6","8","5","9","1") = "8"
    & skf18("6","6","6","8","5","10","1") = "9"
    & skf18("6","6","6","8","6","1","1") = "7"
    & skf18("6","6","6","8","6","2","1") = "7"
    & skf18("6","6","6","8","6","3","1") = "7"
    & skf18("6","6","6","8","6","4","1") = "7"
    & skf18("6","6","6","8","6","5","1") = "7"
    & skf18("6","6","6","8","6","6","1") = "7"
    & skf18("6","6","6","8","6","7","1") = "7"
    & skf18("6","6","6","8","6","8","1") = "7"
    & skf18("6","6","6","8","6","9","1") = "8"
    & skf18("6","6","6","8","6","10","1") = "9"
    & skf18("6","6","6","8","7","1","1") = "7"
    & skf18("6","6","6","8","7","2","1") = "7"
    & skf18("6","6","6","8","7","3","1") = "7"
    & skf18("6","6","6","8","7","4","1") = "7"
    & skf18("6","6","6","8","7","5","1") = "7"
    & skf18("6","6","6","8","7","6","1") = "7"
    & skf18("6","6","6","8","7","7","1") = "7"
    & skf18("6","6","6","8","7","8","1") = "7"
    & skf18("6","6","6","8","7","9","1") = "8"
    & skf18("6","6","6","8","7","10","1") = "9"
    & skf18("6","6","6","8","8","1","1") = "7"
    & skf18("6","6","6","8","8","2","1") = "7"
    & skf18("6","6","6","8","8","3","1") = "7"
    & skf18("6","6","6","8","8","4","1") = "7"
    & skf18("6","6","6","8","8","5","1") = "7"
    & skf18("6","6","6","8","8","6","1") = "7"
    & skf18("6","6","6","8","8","7","1") = "7"
    & skf18("6","6","6","8","8","8","1") = "7"
    & skf18("6","6","6","8","8","9","1") = "8"
    & skf18("6","6","6","8","8","10","1") = "9"
    & skf18("6","6","6","8","9","1","1") = "8"
    & skf18("6","6","6","8","9","2","1") = "8"
    & skf18("6","6","6","8","9","3","1") = "8"
    & skf18("6","6","6","8","9","4","1") = "8"
    & skf18("6","6","6","8","9","5","1") = "8"
    & skf18("6","6","6","8","9","6","1") = "8"
    & skf18("6","6","6","8","9","7","1") = "8"
    & skf18("6","6","6","8","9","8","1") = "8"
    & skf18("6","6","6","8","9","9","1") = "8"
    & skf18("6","6","6","8","9","10","1") = "9"
    & skf18("6","6","6","8","10","1","1") = "9"
    & skf18("6","6","6","8","10","2","1") = "9"
    & skf18("6","6","6","8","10","3","1") = "9"
    & skf18("6","6","6","8","10","4","1") = "9"
    & skf18("6","6","6","8","10","5","1") = "9"
    & skf18("6","6","6","8","10","6","1") = "9"
    & skf18("6","6","6","8","10","7","1") = "9"
    & skf18("6","6","6","8","10","8","1") = "9"
    & skf18("6","6","6","8","10","9","1") = "9"
    & skf18("6","6","6","8","10","10","1") = "9"
    & skf18("6","6","6","9","1","1","1") = "8"
    & skf18("6","6","6","9","1","2","1") = "8"
    & skf18("6","6","6","9","1","3","1") = "8"
    & skf18("6","6","6","9","1","4","1") = "8"
    & skf18("6","6","6","9","1","5","1") = "8"
    & skf18("6","6","6","9","1","6","1") = "8"
    & skf18("6","6","6","9","1","7","1") = "8"
    & skf18("6","6","6","9","1","8","1") = "8"
    & skf18("6","6","6","9","1","9","1") = "8"
    & skf18("6","6","6","9","1","10","1") = "9"
    & skf18("6","6","6","9","2","1","1") = "8"
    & skf18("6","6","6","9","2","2","1") = "8"
    & skf18("6","6","6","9","2","3","1") = "8"
    & skf18("6","6","6","9","2","4","1") = "8"
    & skf18("6","6","6","9","2","5","1") = "8"
    & skf18("6","6","6","9","2","6","1") = "8"
    & skf18("6","6","6","9","2","7","1") = "8"
    & skf18("6","6","6","9","2","8","1") = "8"
    & skf18("6","6","6","9","2","9","1") = "8"
    & skf18("6","6","6","9","2","10","1") = "9"
    & skf18("6","6","6","9","3","1","1") = "8"
    & skf18("6","6","6","9","3","2","1") = "8"
    & skf18("6","6","6","9","3","3","1") = "8"
    & skf18("6","6","6","9","3","4","1") = "8"
    & skf18("6","6","6","9","3","5","1") = "8"
    & skf18("6","6","6","9","3","6","1") = "8"
    & skf18("6","6","6","9","3","7","1") = "8"
    & skf18("6","6","6","9","3","8","1") = "8"
    & skf18("6","6","6","9","3","9","1") = "8"
    & skf18("6","6","6","9","3","10","1") = "9"
    & skf18("6","6","6","9","4","1","1") = "8"
    & skf18("6","6","6","9","4","2","1") = "8"
    & skf18("6","6","6","9","4","3","1") = "8"
    & skf18("6","6","6","9","4","4","1") = "8"
    & skf18("6","6","6","9","4","5","1") = "8"
    & skf18("6","6","6","9","4","6","1") = "8"
    & skf18("6","6","6","9","4","7","1") = "8"
    & skf18("6","6","6","9","4","8","1") = "8"
    & skf18("6","6","6","9","4","9","1") = "8"
    & skf18("6","6","6","9","4","10","1") = "9"
    & skf18("6","6","6","9","5","1","1") = "8"
    & skf18("6","6","6","9","5","2","1") = "8"
    & skf18("6","6","6","9","5","3","1") = "8"
    & skf18("6","6","6","9","5","4","1") = "8"
    & skf18("6","6","6","9","5","5","1") = "8"
    & skf18("6","6","6","9","5","6","1") = "8"
    & skf18("6","6","6","9","5","7","1") = "8"
    & skf18("6","6","6","9","5","8","1") = "8"
    & skf18("6","6","6","9","5","9","1") = "8"
    & skf18("6","6","6","9","5","10","1") = "9"
    & skf18("6","6","6","9","6","1","1") = "8"
    & skf18("6","6","6","9","6","2","1") = "8"
    & skf18("6","6","6","9","6","3","1") = "8"
    & skf18("6","6","6","9","6","4","1") = "8"
    & skf18("6","6","6","9","6","5","1") = "8"
    & skf18("6","6","6","9","6","6","1") = "8"
    & skf18("6","6","6","9","6","7","1") = "8"
    & skf18("6","6","6","9","6","8","1") = "8"
    & skf18("6","6","6","9","6","9","1") = "8"
    & skf18("6","6","6","9","6","10","1") = "9"
    & skf18("6","6","6","9","7","1","1") = "8"
    & skf18("6","6","6","9","7","2","1") = "8"
    & skf18("6","6","6","9","7","3","1") = "8"
    & skf18("6","6","6","9","7","4","1") = "8"
    & skf18("6","6","6","9","7","5","1") = "8"
    & skf18("6","6","6","9","7","6","1") = "8"
    & skf18("6","6","6","9","7","7","1") = "8"
    & skf18("6","6","6","9","7","8","1") = "8"
    & skf18("6","6","6","9","7","9","1") = "8"
    & skf18("6","6","6","9","7","10","1") = "9"
    & skf18("6","6","6","9","8","1","1") = "8"
    & skf18("6","6","6","9","8","2","1") = "8"
    & skf18("6","6","6","9","8","3","1") = "8"
    & skf18("6","6","6","9","8","4","1") = "8"
    & skf18("6","6","6","9","8","5","1") = "8"
    & skf18("6","6","6","9","8","6","1") = "8"
    & skf18("6","6","6","9","8","7","1") = "8"
    & skf18("6","6","6","9","8","8","1") = "8"
    & skf18("6","6","6","9","8","9","1") = "8"
    & skf18("6","6","6","9","8","10","1") = "9"
    & skf18("6","6","6","9","9","1","1") = "8"
    & skf18("6","6","6","9","9","2","1") = "8"
    & skf18("6","6","6","9","9","3","1") = "8"
    & skf18("6","6","6","9","9","4","1") = "8"
    & skf18("6","6","6","9","9","5","1") = "8"
    & skf18("6","6","6","9","9","6","1") = "8"
    & skf18("6","6","6","9","9","7","1") = "8"
    & skf18("6","6","6","9","9","8","1") = "8"
    & skf18("6","6","6","9","9","9","1") = "8"
    & skf18("6","6","6","9","9","10","1") = "9"
    & skf18("6","6","6","9","10","1","1") = "9"
    & skf18("6","6","6","9","10","2","1") = "9"
    & skf18("6","6","6","9","10","3","1") = "9"
    & skf18("6","6","6","9","10","4","1") = "9"
    & skf18("6","6","6","9","10","5","1") = "9"
    & skf18("6","6","6","9","10","6","1") = "9"
    & skf18("6","6","6","9","10","7","1") = "9"
    & skf18("6","6","6","9","10","8","1") = "9"
    & skf18("6","6","6","9","10","9","1") = "9"
    & skf18("6","6","6","9","10","10","1") = "9"
    & skf18("6","6","6","10","1","1","1") = "9"
    & skf18("6","6","6","10","1","2","1") = "9"
    & skf18("6","6","6","10","1","3","1") = "9"
    & skf18("6","6","6","10","1","4","1") = "9"
    & skf18("6","6","6","10","1","5","1") = "9"
    & skf18("6","6","6","10","1","6","1") = "9"
    & skf18("6","6","6","10","1","7","1") = "9"
    & skf18("6","6","6","10","1","8","1") = "9"
    & skf18("6","6","6","10","1","9","1") = "9"
    & skf18("6","6","6","10","1","10","1") = "9"
    & skf18("6","6","6","10","2","1","1") = "9"
    & skf18("6","6","6","10","2","2","1") = "9"
    & skf18("6","6","6","10","2","3","1") = "9"
    & skf18("6","6","6","10","2","4","1") = "9"
    & skf18("6","6","6","10","2","5","1") = "9"
    & skf18("6","6","6","10","2","6","1") = "9"
    & skf18("6","6","6","10","2","7","1") = "9"
    & skf18("6","6","6","10","2","8","1") = "9"
    & skf18("6","6","6","10","2","9","1") = "9"
    & skf18("6","6","6","10","2","10","1") = "9"
    & skf18("6","6","6","10","3","1","1") = "9"
    & skf18("6","6","6","10","3","2","1") = "9"
    & skf18("6","6","6","10","3","3","1") = "9"
    & skf18("6","6","6","10","3","4","1") = "9"
    & skf18("6","6","6","10","3","5","1") = "9"
    & skf18("6","6","6","10","3","6","1") = "9"
    & skf18("6","6","6","10","3","7","1") = "9"
    & skf18("6","6","6","10","3","8","1") = "9"
    & skf18("6","6","6","10","3","9","1") = "9"
    & skf18("6","6","6","10","3","10","1") = "9"
    & skf18("6","6","6","10","4","1","1") = "9"
    & skf18("6","6","6","10","4","2","1") = "9"
    & skf18("6","6","6","10","4","3","1") = "9"
    & skf18("6","6","6","10","4","4","1") = "9"
    & skf18("6","6","6","10","4","5","1") = "9"
    & skf18("6","6","6","10","4","6","1") = "9"
    & skf18("6","6","6","10","4","7","1") = "9"
    & skf18("6","6","6","10","4","8","1") = "9"
    & skf18("6","6","6","10","4","9","1") = "9"
    & skf18("6","6","6","10","4","10","1") = "9"
    & skf18("6","6","6","10","5","1","1") = "9"
    & skf18("6","6","6","10","5","2","1") = "9"
    & skf18("6","6","6","10","5","3","1") = "9"
    & skf18("6","6","6","10","5","4","1") = "9"
    & skf18("6","6","6","10","5","5","1") = "9"
    & skf18("6","6","6","10","5","6","1") = "9"
    & skf18("6","6","6","10","5","7","1") = "9"
    & skf18("6","6","6","10","5","8","1") = "9"
    & skf18("6","6","6","10","5","9","1") = "9"
    & skf18("6","6","6","10","5","10","1") = "9"
    & skf18("6","6","6","10","6","1","1") = "9"
    & skf18("6","6","6","10","6","2","1") = "9"
    & skf18("6","6","6","10","6","3","1") = "9"
    & skf18("6","6","6","10","6","4","1") = "9"
    & skf18("6","6","6","10","6","5","1") = "9"
    & skf18("6","6","6","10","6","6","1") = "9"
    & skf18("6","6","6","10","6","7","1") = "9"
    & skf18("6","6","6","10","6","8","1") = "9"
    & skf18("6","6","6","10","6","9","1") = "9"
    & skf18("6","6","6","10","6","10","1") = "9"
    & skf18("6","6","6","10","7","1","1") = "9"
    & skf18("6","6","6","10","7","2","1") = "9"
    & skf18("6","6","6","10","7","3","1") = "9"
    & skf18("6","6","6","10","7","4","1") = "9"
    & skf18("6","6","6","10","7","5","1") = "9"
    & skf18("6","6","6","10","7","6","1") = "9"
    & skf18("6","6","6","10","7","7","1") = "9"
    & skf18("6","6","6","10","7","8","1") = "9"
    & skf18("6","6","6","10","7","9","1") = "9"
    & skf18("6","6","6","10","7","10","1") = "9"
    & skf18("6","6","6","10","8","1","1") = "9"
    & skf18("6","6","6","10","8","2","1") = "9"
    & skf18("6","6","6","10","8","3","1") = "9"
    & skf18("6","6","6","10","8","4","1") = "9"
    & skf18("6","6","6","10","8","5","1") = "9"
    & skf18("6","6","6","10","8","6","1") = "9"
    & skf18("6","6","6","10","8","7","1") = "9"
    & skf18("6","6","6","10","8","8","1") = "9"
    & skf18("6","6","6","10","8","9","1") = "9"
    & skf18("6","6","6","10","8","10","1") = "9"
    & skf18("6","6","6","10","9","1","1") = "9"
    & skf18("6","6","6","10","9","2","1") = "9"
    & skf18("6","6","6","10","9","3","1") = "9"
    & skf18("6","6","6","10","9","4","1") = "9"
    & skf18("6","6","6","10","9","5","1") = "9"
    & skf18("6","6","6","10","9","6","1") = "9"
    & skf18("6","6","6","10","9","7","1") = "9"
    & skf18("6","6","6","10","9","8","1") = "9"
    & skf18("6","6","6","10","9","9","1") = "9"
    & skf18("6","6","6","10","9","10","1") = "9"
    & skf18("6","6","6","10","10","1","1") = "9"
    & skf18("6","6","6","10","10","2","1") = "9"
    & skf18("6","6","6","10","10","3","1") = "9"
    & skf18("6","6","6","10","10","4","1") = "9"
    & skf18("6","6","6","10","10","5","1") = "9"
    & skf18("6","6","6","10","10","6","1") = "9"
    & skf18("6","6","6","10","10","7","1") = "9"
    & skf18("6","6","6","10","10","8","1") = "9"
    & skf18("6","6","6","10","10","9","1") = "9"
    & skf18("6","6","6","10","10","10","1") = "9"
    & skf18("6","6","7","1","1","1","1") = "6"
    & skf18("6","6","7","1","1","2","1") = "6"
    & skf18("6","6","7","1","1","3","1") = "6"
    & skf18("6","6","7","1","1","4","1") = "6"
    & skf18("6","6","7","1","1","5","1") = "6"
    & skf18("6","6","7","1","1","6","1") = "6"
    & skf18("6","6","7","1","1","7","1") = "6"
    & skf18("6","6","7","1","1","8","1") = "7"
    & skf18("6","6","7","1","1","9","1") = "8"
    & skf18("6","6","7","1","1","10","1") = "9"
    & skf18("6","6","7","1","2","1","1") = "6"
    & skf18("6","6","7","1","2","2","1") = "6"
    & skf18("6","6","7","1","2","3","1") = "6"
    & skf18("6","6","7","1","2","4","1") = "6"
    & skf18("6","6","7","1","2","5","1") = "6"
    & skf18("6","6","7","1","2","6","1") = "6"
    & skf18("6","6","7","1","2","7","1") = "6"
    & skf18("6","6","7","1","2","8","1") = "7"
    & skf18("6","6","7","1","2","9","1") = "8"
    & skf18("6","6","7","1","2","10","1") = "9"
    & skf18("6","6","7","1","3","1","1") = "6"
    & skf18("6","6","7","1","3","2","1") = "6"
    & skf18("6","6","7","1","3","3","1") = "6"
    & skf18("6","6","7","1","3","4","1") = "6"
    & skf18("6","6","7","1","3","5","1") = "6"
    & skf18("6","6","7","1","3","6","1") = "6"
    & skf18("6","6","7","1","3","7","1") = "6"
    & skf18("6","6","7","1","3","8","1") = "7"
    & skf18("6","6","7","1","3","9","1") = "8"
    & skf18("6","6","7","1","3","10","1") = "9"
    & skf18("6","6","7","1","4","1","1") = "6"
    & skf18("6","6","7","1","4","2","1") = "6"
    & skf18("6","6","7","1","4","3","1") = "6"
    & skf18("6","6","7","1","4","4","1") = "6"
    & skf18("6","6","7","1","4","5","1") = "6"
    & skf18("6","6","7","1","4","6","1") = "6"
    & skf18("6","6","7","1","4","7","1") = "6"
    & skf18("6","6","7","1","4","8","1") = "7"
    & skf18("6","6","7","1","4","9","1") = "8"
    & skf18("6","6","7","1","4","10","1") = "9"
    & skf18("6","6","7","1","5","1","1") = "6"
    & skf18("6","6","7","1","5","2","1") = "6"
    & skf18("6","6","7","1","5","3","1") = "6"
    & skf18("6","6","7","1","5","4","1") = "6"
    & skf18("6","6","7","1","5","5","1") = "6"
    & skf18("6","6","7","1","5","6","1") = "6"
    & skf18("6","6","7","1","5","7","1") = "6"
    & skf18("6","6","7","1","5","8","1") = "7"
    & skf18("6","6","7","1","5","9","1") = "8"
    & skf18("6","6","7","1","5","10","1") = "9"
    & skf18("6","6","7","1","6","1","1") = "6"
    & skf18("6","6","7","1","6","2","1") = "6"
    & skf18("6","6","7","1","6","3","1") = "6"
    & skf18("6","6","7","1","6","4","1") = "6"
    & skf18("6","6","7","1","6","5","1") = "6"
    & skf18("6","6","7","1","6","6","1") = "6"
    & skf18("6","6","7","1","6","7","1") = "6"
    & skf18("6","6","7","1","6","8","1") = "7"
    & skf18("6","6","7","1","6","9","1") = "8"
    & skf18("6","6","7","1","6","10","1") = "9"
    & skf18("6","6","7","1","7","1","1") = "6"
    & skf18("6","6","7","1","7","2","1") = "6"
    & skf18("6","6","7","1","7","3","1") = "6"
    & skf18("6","6","7","1","7","4","1") = "6"
    & skf18("6","6","7","1","7","5","1") = "6"
    & skf18("6","6","7","1","7","6","1") = "6"
    & skf18("6","6","7","1","7","7","1") = "6"
    & skf18("6","6","7","1","7","8","1") = "7"
    & skf18("6","6","7","1","7","9","1") = "8"
    & skf18("6","6","7","1","7","10","1") = "9"
    & skf18("6","6","7","1","8","1","1") = "7"
    & skf18("6","6","7","1","8","2","1") = "7"
    & skf18("6","6","7","1","8","3","1") = "7"
    & skf18("6","6","7","1","8","4","1") = "7"
    & skf18("6","6","7","1","8","5","1") = "7"
    & skf18("6","6","7","1","8","6","1") = "7"
    & skf18("6","6","7","1","8","7","1") = "7"
    & skf18("6","6","7","1","8","8","1") = "7"
    & skf18("6","6","7","1","8","9","1") = "8"
    & skf18("6","6","7","1","8","10","1") = "9"
    & skf18("6","6","7","1","9","1","1") = "8"
    & skf18("6","6","7","1","9","2","1") = "8"
    & skf18("6","6","7","1","9","3","1") = "8"
    & skf18("6","6","7","1","9","4","1") = "8"
    & skf18("6","6","7","1","9","5","1") = "8"
    & skf18("6","6","7","1","9","6","1") = "8"
    & skf18("6","6","7","1","9","7","1") = "8"
    & skf18("6","6","7","1","9","8","1") = "8"
    & skf18("6","6","7","1","9","9","1") = "8"
    & skf18("6","6","7","1","9","10","1") = "9"
    & skf18("6","6","7","1","10","1","1") = "9"
    & skf18("6","6","7","1","10","2","1") = "9"
    & skf18("6","6","7","1","10","3","1") = "9"
    & skf18("6","6","7","1","10","4","1") = "9"
    & skf18("6","6","7","1","10","5","1") = "9"
    & skf18("6","6","7","1","10","6","1") = "9"
    & skf18("6","6","7","1","10","7","1") = "9"
    & skf18("6","6","7","1","10","8","1") = "9"
    & skf18("6","6","7","1","10","9","1") = "9"
    & skf18("6","6","7","1","10","10","1") = "9"
    & skf18("6","6","7","2","1","1","1") = "6"
    & skf18("6","6","7","2","1","2","1") = "6"
    & skf18("6","6","7","2","1","3","1") = "6"
    & skf18("6","6","7","2","1","4","1") = "6"
    & skf18("6","6","7","2","1","5","1") = "6"
    & skf18("6","6","7","2","1","6","1") = "6"
    & skf18("6","6","7","2","1","7","1") = "6"
    & skf18("6","6","7","2","1","8","1") = "7"
    & skf18("6","6","7","2","1","9","1") = "8"
    & skf18("6","6","7","2","1","10","1") = "9"
    & skf18("6","6","7","2","2","1","1") = "6"
    & skf18("6","6","7","2","2","2","1") = "6"
    & skf18("6","6","7","2","2","3","1") = "6"
    & skf18("6","6","7","2","2","4","1") = "6"
    & skf18("6","6","7","2","2","5","1") = "6"
    & skf18("6","6","7","2","2","6","1") = "6"
    & skf18("6","6","7","2","2","7","1") = "6"
    & skf18("6","6","7","2","2","8","1") = "7"
    & skf18("6","6","7","2","2","9","1") = "8"
    & skf18("6","6","7","2","2","10","1") = "9"
    & skf18("6","6","7","2","3","1","1") = "6"
    & skf18("6","6","7","2","3","2","1") = "6"
    & skf18("6","6","7","2","3","3","1") = "6"
    & skf18("6","6","7","2","3","4","1") = "6"
    & skf18("6","6","7","2","3","5","1") = "6"
    & skf18("6","6","7","2","3","6","1") = "6"
    & skf18("6","6","7","2","3","7","1") = "6"
    & skf18("6","6","7","2","3","8","1") = "7"
    & skf18("6","6","7","2","3","9","1") = "8"
    & skf18("6","6","7","2","3","10","1") = "9"
    & skf18("6","6","7","2","4","1","1") = "6"
    & skf18("6","6","7","2","4","2","1") = "6"
    & skf18("6","6","7","2","4","3","1") = "6"
    & skf18("6","6","7","2","4","4","1") = "6"
    & skf18("6","6","7","2","4","5","1") = "6"
    & skf18("6","6","7","2","4","6","1") = "6"
    & skf18("6","6","7","2","4","7","1") = "6"
    & skf18("6","6","7","2","4","8","1") = "7"
    & skf18("6","6","7","2","4","9","1") = "8"
    & skf18("6","6","7","2","4","10","1") = "9"
    & skf18("6","6","7","2","5","1","1") = "6"
    & skf18("6","6","7","2","5","2","1") = "6"
    & skf18("6","6","7","2","5","3","1") = "6"
    & skf18("6","6","7","2","5","4","1") = "6"
    & skf18("6","6","7","2","5","5","1") = "6"
    & skf18("6","6","7","2","5","6","1") = "6"
    & skf18("6","6","7","2","5","7","1") = "6"
    & skf18("6","6","7","2","5","8","1") = "7"
    & skf18("6","6","7","2","5","9","1") = "8"
    & skf18("6","6","7","2","5","10","1") = "9"
    & skf18("6","6","7","2","6","1","1") = "6"
    & skf18("6","6","7","2","6","2","1") = "6"
    & skf18("6","6","7","2","6","3","1") = "6"
    & skf18("6","6","7","2","6","4","1") = "6"
    & skf18("6","6","7","2","6","5","1") = "6"
    & skf18("6","6","7","2","6","6","1") = "6"
    & skf18("6","6","7","2","6","7","1") = "6"
    & skf18("6","6","7","2","6","8","1") = "7"
    & skf18("6","6","7","2","6","9","1") = "8"
    & skf18("6","6","7","2","6","10","1") = "9"
    & skf18("6","6","7","2","7","1","1") = "6"
    & skf18("6","6","7","2","7","2","1") = "6"
    & skf18("6","6","7","2","7","3","1") = "6"
    & skf18("6","6","7","2","7","4","1") = "6"
    & skf18("6","6","7","2","7","5","1") = "6"
    & skf18("6","6","7","2","7","6","1") = "6"
    & skf18("6","6","7","2","7","7","1") = "6"
    & skf18("6","6","7","2","7","8","1") = "7"
    & skf18("6","6","7","2","7","9","1") = "8"
    & skf18("6","6","7","2","7","10","1") = "9"
    & skf18("6","6","7","2","8","1","1") = "7"
    & skf18("6","6","7","2","8","2","1") = "7"
    & skf18("6","6","7","2","8","3","1") = "7"
    & skf18("6","6","7","2","8","4","1") = "7"
    & skf18("6","6","7","2","8","5","1") = "7"
    & skf18("6","6","7","2","8","6","1") = "7"
    & skf18("6","6","7","2","8","7","1") = "7"
    & skf18("6","6","7","2","8","8","1") = "7"
    & skf18("6","6","7","2","8","9","1") = "8"
    & skf18("6","6","7","2","8","10","1") = "9"
    & skf18("6","6","7","2","9","1","1") = "8"
    & skf18("6","6","7","2","9","2","1") = "8"
    & skf18("6","6","7","2","9","3","1") = "8"
    & skf18("6","6","7","2","9","4","1") = "8"
    & skf18("6","6","7","2","9","5","1") = "8"
    & skf18("6","6","7","2","9","6","1") = "8"
    & skf18("6","6","7","2","9","7","1") = "8"
    & skf18("6","6","7","2","9","8","1") = "8"
    & skf18("6","6","7","2","9","9","1") = "8"
    & skf18("6","6","7","2","9","10","1") = "9"
    & skf18("6","6","7","2","10","1","1") = "9"
    & skf18("6","6","7","2","10","2","1") = "9"
    & skf18("6","6","7","2","10","3","1") = "9"
    & skf18("6","6","7","2","10","4","1") = "9"
    & skf18("6","6","7","2","10","5","1") = "9"
    & skf18("6","6","7","2","10","6","1") = "9"
    & skf18("6","6","7","2","10","7","1") = "9"
    & skf18("6","6","7","2","10","8","1") = "9"
    & skf18("6","6","7","2","10","9","1") = "9"
    & skf18("6","6","7","2","10","10","1") = "9"
    & skf18("6","6","7","3","1","1","1") = "6"
    & skf18("6","6","7","3","1","2","1") = "6"
    & skf18("6","6","7","3","1","3","1") = "6"
    & skf18("6","6","7","3","1","4","1") = "6"
    & skf18("6","6","7","3","1","5","1") = "6"
    & skf18("6","6","7","3","1","6","1") = "6"
    & skf18("6","6","7","3","1","7","1") = "6"
    & skf18("6","6","7","3","1","8","1") = "7"
    & skf18("6","6","7","3","1","9","1") = "8"
    & skf18("6","6","7","3","1","10","1") = "9"
    & skf18("6","6","7","3","2","1","1") = "6"
    & skf18("6","6","7","3","2","2","1") = "6"
    & skf18("6","6","7","3","2","3","1") = "6"
    & skf18("6","6","7","3","2","4","1") = "6"
    & skf18("6","6","7","3","2","5","1") = "6"
    & skf18("6","6","7","3","2","6","1") = "6"
    & skf18("6","6","7","3","2","7","1") = "6"
    & skf18("6","6","7","3","2","8","1") = "7"
    & skf18("6","6","7","3","2","9","1") = "8"
    & skf18("6","6","7","3","2","10","1") = "9"
    & skf18("6","6","7","3","3","1","1") = "6"
    & skf18("6","6","7","3","3","2","1") = "6"
    & skf18("6","6","7","3","3","3","1") = "6"
    & skf18("6","6","7","3","3","4","1") = "6"
    & skf18("6","6","7","3","3","5","1") = "6"
    & skf18("6","6","7","3","3","6","1") = "6"
    & skf18("6","6","7","3","3","7","1") = "6"
    & skf18("6","6","7","3","3","8","1") = "7"
    & skf18("6","6","7","3","3","9","1") = "8"
    & skf18("6","6","7","3","3","10","1") = "9"
    & skf18("6","6","7","3","4","1","1") = "6"
    & skf18("6","6","7","3","4","2","1") = "6"
    & skf18("6","6","7","3","4","3","1") = "6"
    & skf18("6","6","7","3","4","4","1") = "6"
    & skf18("6","6","7","3","4","5","1") = "6"
    & skf18("6","6","7","3","4","6","1") = "6"
    & skf18("6","6","7","3","4","7","1") = "6"
    & skf18("6","6","7","3","4","8","1") = "7"
    & skf18("6","6","7","3","4","9","1") = "8"
    & skf18("6","6","7","3","4","10","1") = "9"
    & skf18("6","6","7","3","5","1","1") = "6"
    & skf18("6","6","7","3","5","2","1") = "6"
    & skf18("6","6","7","3","5","3","1") = "6"
    & skf18("6","6","7","3","5","4","1") = "6"
    & skf18("6","6","7","3","5","5","1") = "6"
    & skf18("6","6","7","3","5","6","1") = "6"
    & skf18("6","6","7","3","5","7","1") = "6"
    & skf18("6","6","7","3","5","8","1") = "7"
    & skf18("6","6","7","3","5","9","1") = "8"
    & skf18("6","6","7","3","5","10","1") = "9"
    & skf18("6","6","7","3","6","1","1") = "6"
    & skf18("6","6","7","3","6","2","1") = "6"
    & skf18("6","6","7","3","6","3","1") = "6"
    & skf18("6","6","7","3","6","4","1") = "6"
    & skf18("6","6","7","3","6","5","1") = "6"
    & skf18("6","6","7","3","6","6","1") = "6"
    & skf18("6","6","7","3","6","7","1") = "6"
    & skf18("6","6","7","3","6","8","1") = "7"
    & skf18("6","6","7","3","6","9","1") = "8"
    & skf18("6","6","7","3","6","10","1") = "9"
    & skf18("6","6","7","3","7","1","1") = "6"
    & skf18("6","6","7","3","7","2","1") = "6"
    & skf18("6","6","7","3","7","3","1") = "6"
    & skf18("6","6","7","3","7","4","1") = "6"
    & skf18("6","6","7","3","7","5","1") = "6"
    & skf18("6","6","7","3","7","6","1") = "6"
    & skf18("6","6","7","3","7","7","1") = "6"
    & skf18("6","6","7","3","7","8","1") = "7"
    & skf18("6","6","7","3","7","9","1") = "8"
    & skf18("6","6","7","3","7","10","1") = "9"
    & skf18("6","6","7","3","8","1","1") = "7"
    & skf18("6","6","7","3","8","2","1") = "7"
    & skf18("6","6","7","3","8","3","1") = "7"
    & skf18("6","6","7","3","8","4","1") = "7"
    & skf18("6","6","7","3","8","5","1") = "7"
    & skf18("6","6","7","3","8","6","1") = "7"
    & skf18("6","6","7","3","8","7","1") = "7"
    & skf18("6","6","7","3","8","8","1") = "7"
    & skf18("6","6","7","3","8","9","1") = "8"
    & skf18("6","6","7","3","8","10","1") = "9"
    & skf18("6","6","7","3","9","1","1") = "8"
    & skf18("6","6","7","3","9","2","1") = "8"
    & skf18("6","6","7","3","9","3","1") = "8"
    & skf18("6","6","7","3","9","4","1") = "8"
    & skf18("6","6","7","3","9","5","1") = "8"
    & skf18("6","6","7","3","9","6","1") = "8"
    & skf18("6","6","7","3","9","7","1") = "8"
    & skf18("6","6","7","3","9","8","1") = "8"
    & skf18("6","6","7","3","9","9","1") = "8"
    & skf18("6","6","7","3","9","10","1") = "9"
    & skf18("6","6","7","3","10","1","1") = "9"
    & skf18("6","6","7","3","10","2","1") = "9"
    & skf18("6","6","7","3","10","3","1") = "9"
    & skf18("6","6","7","3","10","4","1") = "9"
    & skf18("6","6","7","3","10","5","1") = "9"
    & skf18("6","6","7","3","10","6","1") = "9"
    & skf18("6","6","7","3","10","7","1") = "9"
    & skf18("6","6","7","3","10","8","1") = "9"
    & skf18("6","6","7","3","10","9","1") = "9"
    & skf18("6","6","7","3","10","10","1") = "9"
    & skf18("6","6","7","4","1","1","1") = "6"
    & skf18("6","6","7","4","1","2","1") = "6"
    & skf18("6","6","7","4","1","3","1") = "6"
    & skf18("6","6","7","4","1","4","1") = "6"
    & skf18("6","6","7","4","1","5","1") = "6"
    & skf18("6","6","7","4","1","6","1") = "6"
    & skf18("6","6","7","4","1","7","1") = "6"
    & skf18("6","6","7","4","1","8","1") = "7"
    & skf18("6","6","7","4","1","9","1") = "8"
    & skf18("6","6","7","4","1","10","1") = "9"
    & skf18("6","6","7","4","2","1","1") = "6"
    & skf18("6","6","7","4","2","2","1") = "6"
    & skf18("6","6","7","4","2","3","1") = "6"
    & skf18("6","6","7","4","2","4","1") = "6"
    & skf18("6","6","7","4","2","5","1") = "6"
    & skf18("6","6","7","4","2","6","1") = "6"
    & skf18("6","6","7","4","2","7","1") = "6"
    & skf18("6","6","7","4","2","8","1") = "7"
    & skf18("6","6","7","4","2","9","1") = "8"
    & skf18("6","6","7","4","2","10","1") = "9"
    & skf18("6","6","7","4","3","1","1") = "6"
    & skf18("6","6","7","4","3","2","1") = "6"
    & skf18("6","6","7","4","3","3","1") = "6"
    & skf18("6","6","7","4","3","4","1") = "6"
    & skf18("6","6","7","4","3","5","1") = "6"
    & skf18("6","6","7","4","3","6","1") = "6"
    & skf18("6","6","7","4","3","7","1") = "6"
    & skf18("6","6","7","4","3","8","1") = "7"
    & skf18("6","6","7","4","3","9","1") = "8"
    & skf18("6","6","7","4","3","10","1") = "9"
    & skf18("6","6","7","4","4","1","1") = "6"
    & skf18("6","6","7","4","4","2","1") = "6"
    & skf18("6","6","7","4","4","3","1") = "6"
    & skf18("6","6","7","4","4","4","1") = "6"
    & skf18("6","6","7","4","4","5","1") = "6"
    & skf18("6","6","7","4","4","6","1") = "6"
    & skf18("6","6","7","4","4","7","1") = "6"
    & skf18("6","6","7","4","4","8","1") = "7"
    & skf18("6","6","7","4","4","9","1") = "8"
    & skf18("6","6","7","4","4","10","1") = "9"
    & skf18("6","6","7","4","5","1","1") = "6"
    & skf18("6","6","7","4","5","2","1") = "6"
    & skf18("6","6","7","4","5","3","1") = "6"
    & skf18("6","6","7","4","5","4","1") = "6"
    & skf18("6","6","7","4","5","5","1") = "6"
    & skf18("6","6","7","4","5","6","1") = "6"
    & skf18("6","6","7","4","5","7","1") = "6"
    & skf18("6","6","7","4","5","8","1") = "7"
    & skf18("6","6","7","4","5","9","1") = "8"
    & skf18("6","6","7","4","5","10","1") = "9"
    & skf18("6","6","7","4","6","1","1") = "6"
    & skf18("6","6","7","4","6","2","1") = "6"
    & skf18("6","6","7","4","6","3","1") = "6"
    & skf18("6","6","7","4","6","4","1") = "6"
    & skf18("6","6","7","4","6","5","1") = "6"
    & skf18("6","6","7","4","6","6","1") = "6"
    & skf18("6","6","7","4","6","7","1") = "6"
    & skf18("6","6","7","4","6","8","1") = "7"
    & skf18("6","6","7","4","6","9","1") = "8"
    & skf18("6","6","7","4","6","10","1") = "9"
    & skf18("6","6","7","4","7","1","1") = "6"
    & skf18("6","6","7","4","7","2","1") = "6"
    & skf18("6","6","7","4","7","3","1") = "6"
    & skf18("6","6","7","4","7","4","1") = "6"
    & skf18("6","6","7","4","7","5","1") = "6"
    & skf18("6","6","7","4","7","6","1") = "6"
    & skf18("6","6","7","4","7","7","1") = "6"
    & skf18("6","6","7","4","7","8","1") = "7"
    & skf18("6","6","7","4","7","9","1") = "8"
    & skf18("6","6","7","4","7","10","1") = "9"
    & skf18("6","6","7","4","8","1","1") = "7"
    & skf18("6","6","7","4","8","2","1") = "7"
    & skf18("6","6","7","4","8","3","1") = "7"
    & skf18("6","6","7","4","8","4","1") = "7"
    & skf18("6","6","7","4","8","5","1") = "7"
    & skf18("6","6","7","4","8","6","1") = "7"
    & skf18("6","6","7","4","8","7","1") = "7"
    & skf18("6","6","7","4","8","8","1") = "7"
    & skf18("6","6","7","4","8","9","1") = "8"
    & skf18("6","6","7","4","8","10","1") = "9"
    & skf18("6","6","7","4","9","1","1") = "8"
    & skf18("6","6","7","4","9","2","1") = "8"
    & skf18("6","6","7","4","9","3","1") = "8"
    & skf18("6","6","7","4","9","4","1") = "8"
    & skf18("6","6","7","4","9","5","1") = "8"
    & skf18("6","6","7","4","9","6","1") = "8"
    & skf18("6","6","7","4","9","7","1") = "8"
    & skf18("6","6","7","4","9","8","1") = "8"
    & skf18("6","6","7","4","9","9","1") = "8"
    & skf18("6","6","7","4","9","10","1") = "9"
    & skf18("6","6","7","4","10","1","1") = "9"
    & skf18("6","6","7","4","10","2","1") = "9"
    & skf18("6","6","7","4","10","3","1") = "9"
    & skf18("6","6","7","4","10","4","1") = "9"
    & skf18("6","6","7","4","10","5","1") = "9"
    & skf18("6","6","7","4","10","6","1") = "9"
    & skf18("6","6","7","4","10","7","1") = "9"
    & skf18("6","6","7","4","10","8","1") = "9"
    & skf18("6","6","7","4","10","9","1") = "9"
    & skf18("6","6","7","4","10","10","1") = "9"
    & skf18("6","6","7","5","1","1","1") = "6"
    & skf18("6","6","7","5","1","2","1") = "6"
    & skf18("6","6","7","5","1","3","1") = "6"
    & skf18("6","6","7","5","1","4","1") = "6"
    & skf18("6","6","7","5","1","5","1") = "6"
    & skf18("6","6","7","5","1","6","1") = "6"
    & skf18("6","6","7","5","1","7","1") = "6"
    & skf18("6","6","7","5","1","8","1") = "7"
    & skf18("6","6","7","5","1","9","1") = "8"
    & skf18("6","6","7","5","1","10","1") = "9"
    & skf18("6","6","7","5","2","1","1") = "6"
    & skf18("6","6","7","5","2","2","1") = "6"
    & skf18("6","6","7","5","2","3","1") = "6"
    & skf18("6","6","7","5","2","4","1") = "6"
    & skf18("6","6","7","5","2","5","1") = "6"
    & skf18("6","6","7","5","2","6","1") = "6"
    & skf18("6","6","7","5","2","7","1") = "6"
    & skf18("6","6","7","5","2","8","1") = "7"
    & skf18("6","6","7","5","2","9","1") = "8"
    & skf18("6","6","7","5","2","10","1") = "9"
    & skf18("6","6","7","5","3","1","1") = "6"
    & skf18("6","6","7","5","3","2","1") = "6"
    & skf18("6","6","7","5","3","3","1") = "6"
    & skf18("6","6","7","5","3","4","1") = "6"
    & skf18("6","6","7","5","3","5","1") = "6"
    & skf18("6","6","7","5","3","6","1") = "6"
    & skf18("6","6","7","5","3","7","1") = "6"
    & skf18("6","6","7","5","3","8","1") = "7"
    & skf18("6","6","7","5","3","9","1") = "8"
    & skf18("6","6","7","5","3","10","1") = "9"
    & skf18("6","6","7","5","4","1","1") = "6"
    & skf18("6","6","7","5","4","2","1") = "6"
    & skf18("6","6","7","5","4","3","1") = "6"
    & skf18("6","6","7","5","4","4","1") = "6"
    & skf18("6","6","7","5","4","5","1") = "6"
    & skf18("6","6","7","5","4","6","1") = "6"
    & skf18("6","6","7","5","4","7","1") = "6"
    & skf18("6","6","7","5","4","8","1") = "7"
    & skf18("6","6","7","5","4","9","1") = "8"
    & skf18("6","6","7","5","4","10","1") = "9"
    & skf18("6","6","7","5","5","1","1") = "6"
    & skf18("6","6","7","5","5","2","1") = "6"
    & skf18("6","6","7","5","5","3","1") = "6"
    & skf18("6","6","7","5","5","4","1") = "6"
    & skf18("6","6","7","5","5","5","1") = "6"
    & skf18("6","6","7","5","5","6","1") = "6"
    & skf18("6","6","7","5","5","7","1") = "6"
    & skf18("6","6","7","5","5","8","1") = "7"
    & skf18("6","6","7","5","5","9","1") = "8"
    & skf18("6","6","7","5","5","10","1") = "9"
    & skf18("6","6","7","5","6","1","1") = "6"
    & skf18("6","6","7","5","6","2","1") = "6"
    & skf18("6","6","7","5","6","3","1") = "6"
    & skf18("6","6","7","5","6","4","1") = "6"
    & skf18("6","6","7","5","6","5","1") = "6"
    & skf18("6","6","7","5","6","6","1") = "6"
    & skf18("6","6","7","5","6","7","1") = "6"
    & skf18("6","6","7","5","6","8","1") = "7"
    & skf18("6","6","7","5","6","9","1") = "8"
    & skf18("6","6","7","5","6","10","1") = "9"
    & skf18("6","6","7","5","7","1","1") = "6"
    & skf18("6","6","7","5","7","2","1") = "6"
    & skf18("6","6","7","5","7","3","1") = "6"
    & skf18("6","6","7","5","7","4","1") = "6"
    & skf18("6","6","7","5","7","5","1") = "6"
    & skf18("6","6","7","5","7","6","1") = "6"
    & skf18("6","6","7","5","7","7","1") = "6"
    & skf18("6","6","7","5","7","8","1") = "7"
    & skf18("6","6","7","5","7","9","1") = "8"
    & skf18("6","6","7","5","7","10","1") = "9"
    & skf18("6","6","7","5","8","1","1") = "7"
    & skf18("6","6","7","5","8","2","1") = "7"
    & skf18("6","6","7","5","8","3","1") = "7"
    & skf18("6","6","7","5","8","4","1") = "7"
    & skf18("6","6","7","5","8","5","1") = "7"
    & skf18("6","6","7","5","8","6","1") = "7"
    & skf18("6","6","7","5","8","7","1") = "7"
    & skf18("6","6","7","5","8","8","1") = "7"
    & skf18("6","6","7","5","8","9","1") = "8"
    & skf18("6","6","7","5","8","10","1") = "9"
    & skf18("6","6","7","5","9","1","1") = "8"
    & skf18("6","6","7","5","9","2","1") = "8"
    & skf18("6","6","7","5","9","3","1") = "8"
    & skf18("6","6","7","5","9","4","1") = "8"
    & skf18("6","6","7","5","9","5","1") = "8"
    & skf18("6","6","7","5","9","6","1") = "8"
    & skf18("6","6","7","5","9","7","1") = "8"
    & skf18("6","6","7","5","9","8","1") = "8"
    & skf18("6","6","7","5","9","9","1") = "8"
    & skf18("6","6","7","5","9","10","1") = "9"
    & skf18("6","6","7","5","10","1","1") = "9"
    & skf18("6","6","7","5","10","2","1") = "9"
    & skf18("6","6","7","5","10","3","1") = "9"
    & skf18("6","6","7","5","10","4","1") = "9"
    & skf18("6","6","7","5","10","5","1") = "9"
    & skf18("6","6","7","5","10","6","1") = "9"
    & skf18("6","6","7","5","10","7","1") = "9"
    & skf18("6","6","7","5","10","8","1") = "9"
    & skf18("6","6","7","5","10","9","1") = "9"
    & skf18("6","6","7","5","10","10","1") = "9"
    & skf18("6","6","7","6","1","1","1") = "6"
    & skf18("6","6","7","6","1","2","1") = "6"
    & skf18("6","6","7","6","1","3","1") = "6"
    & skf18("6","6","7","6","1","4","1") = "6"
    & skf18("6","6","7","6","1","5","1") = "6"
    & skf18("6","6","7","6","1","6","1") = "6"
    & skf18("6","6","7","6","1","7","1") = "6"
    & skf18("6","6","7","6","1","8","1") = "7"
    & skf18("6","6","7","6","1","9","1") = "8"
    & skf18("6","6","7","6","1","10","1") = "9"
    & skf18("6","6","7","6","2","1","1") = "6"
    & skf18("6","6","7","6","2","2","1") = "6"
    & skf18("6","6","7","6","2","3","1") = "6"
    & skf18("6","6","7","6","2","4","1") = "6"
    & skf18("6","6","7","6","2","5","1") = "6"
    & skf18("6","6","7","6","2","6","1") = "6"
    & skf18("6","6","7","6","2","7","1") = "6"
    & skf18("6","6","7","6","2","8","1") = "7"
    & skf18("6","6","7","6","2","9","1") = "8"
    & skf18("6","6","7","6","2","10","1") = "9"
    & skf18("6","6","7","6","3","1","1") = "6"
    & skf18("6","6","7","6","3","2","1") = "6"
    & skf18("6","6","7","6","3","3","1") = "6"
    & skf18("6","6","7","6","3","4","1") = "6"
    & skf18("6","6","7","6","3","5","1") = "6"
    & skf18("6","6","7","6","3","6","1") = "6"
    & skf18("6","6","7","6","3","7","1") = "6"
    & skf18("6","6","7","6","3","8","1") = "7"
    & skf18("6","6","7","6","3","9","1") = "8"
    & skf18("6","6","7","6","3","10","1") = "9"
    & skf18("6","6","7","6","4","1","1") = "6"
    & skf18("6","6","7","6","4","2","1") = "6"
    & skf18("6","6","7","6","4","3","1") = "6"
    & skf18("6","6","7","6","4","4","1") = "6"
    & skf18("6","6","7","6","4","5","1") = "6"
    & skf18("6","6","7","6","4","6","1") = "6"
    & skf18("6","6","7","6","4","7","1") = "6"
    & skf18("6","6","7","6","4","8","1") = "7"
    & skf18("6","6","7","6","4","9","1") = "8"
    & skf18("6","6","7","6","4","10","1") = "9"
    & skf18("6","6","7","6","5","1","1") = "6"
    & skf18("6","6","7","6","5","2","1") = "6"
    & skf18("6","6","7","6","5","3","1") = "6"
    & skf18("6","6","7","6","5","4","1") = "6"
    & skf18("6","6","7","6","5","5","1") = "6"
    & skf18("6","6","7","6","5","6","1") = "6"
    & skf18("6","6","7","6","5","7","1") = "6"
    & skf18("6","6","7","6","5","8","1") = "7"
    & skf18("6","6","7","6","5","9","1") = "8"
    & skf18("6","6","7","6","5","10","1") = "9"
    & skf18("6","6","7","6","6","1","1") = "6"
    & skf18("6","6","7","6","6","2","1") = "6"
    & skf18("6","6","7","6","6","3","1") = "6"
    & skf18("6","6","7","6","6","4","1") = "6"
    & skf18("6","6","7","6","6","5","1") = "6"
    & skf18("6","6","7","6","6","6","1") = "6"
    & skf18("6","6","7","6","6","7","1") = "6"
    & skf18("6","6","7","6","6","8","1") = "7"
    & skf18("6","6","7","6","6","9","1") = "8"
    & skf18("6","6","7","6","6","10","1") = "9"
    & skf18("6","6","7","6","7","1","1") = "6"
    & skf18("6","6","7","6","7","2","1") = "6"
    & skf18("6","6","7","6","7","3","1") = "6"
    & skf18("6","6","7","6","7","4","1") = "6"
    & skf18("6","6","7","6","7","5","1") = "6"
    & skf18("6","6","7","6","7","6","1") = "6"
    & skf18("6","6","7","6","7","7","1") = "6"
    & skf18("6","6","7","6","7","8","1") = "7"
    & skf18("6","6","7","6","7","9","1") = "8"
    & skf18("6","6","7","6","7","10","1") = "9"
    & skf18("6","6","7","6","8","1","1") = "7"
    & skf18("6","6","7","6","8","2","1") = "7"
    & skf18("6","6","7","6","8","3","1") = "7"
    & skf18("6","6","7","6","8","4","1") = "7"
    & skf18("6","6","7","6","8","5","1") = "7"
    & skf18("6","6","7","6","8","6","1") = "7"
    & skf18("6","6","7","6","8","7","1") = "7"
    & skf18("6","6","7","6","8","8","1") = "7"
    & skf18("6","6","7","6","8","9","1") = "8"
    & skf18("6","6","7","6","8","10","1") = "9"
    & skf18("6","6","7","6","9","1","1") = "8"
    & skf18("6","6","7","6","9","2","1") = "8"
    & skf18("6","6","7","6","9","3","1") = "8"
    & skf18("6","6","7","6","9","4","1") = "8"
    & skf18("6","6","7","6","9","5","1") = "8"
    & skf18("6","6","7","6","9","6","1") = "8"
    & skf18("6","6","7","6","9","7","1") = "8"
    & skf18("6","6","7","6","9","8","1") = "8"
    & skf18("6","6","7","6","9","9","1") = "8"
    & skf18("6","6","7","6","9","10","1") = "9"
    & skf18("6","6","7","6","10","1","1") = "9"
    & skf18("6","6","7","6","10","2","1") = "9"
    & skf18("6","6","7","6","10","3","1") = "9"
    & skf18("6","6","7","6","10","4","1") = "9"
    & skf18("6","6","7","6","10","5","1") = "9"
    & skf18("6","6","7","6","10","6","1") = "9"
    & skf18("6","6","7","6","10","7","1") = "9"
    & skf18("6","6","7","6","10","8","1") = "9"
    & skf18("6","6","7","6","10","9","1") = "9"
    & skf18("6","6","7","6","10","10","1") = "9"
    & skf18("6","6","7","7","1","1","1") = "6"
    & skf18("6","6","7","7","1","2","1") = "6"
    & skf18("6","6","7","7","1","3","1") = "6"
    & skf18("6","6","7","7","1","4","1") = "6"
    & skf18("6","6","7","7","1","5","1") = "6"
    & skf18("6","6","7","7","1","6","1") = "6"
    & skf18("6","6","7","7","1","7","1") = "6"
    & skf18("6","6","7","7","1","8","1") = "7"
    & skf18("6","6","7","7","1","9","1") = "8"
    & skf18("6","6","7","7","1","10","1") = "9"
    & skf18("6","6","7","7","2","1","1") = "6"
    & skf18("6","6","7","7","2","2","1") = "6"
    & skf18("6","6","7","7","2","3","1") = "6"
    & skf18("6","6","7","7","2","4","1") = "6"
    & skf18("6","6","7","7","2","5","1") = "6"
    & skf18("6","6","7","7","2","6","1") = "6"
    & skf18("6","6","7","7","2","7","1") = "6"
    & skf18("6","6","7","7","2","8","1") = "7"
    & skf18("6","6","7","7","2","9","1") = "8"
    & skf18("6","6","7","7","2","10","1") = "9"
    & skf18("6","6","7","7","3","1","1") = "6"
    & skf18("6","6","7","7","3","2","1") = "6"
    & skf18("6","6","7","7","3","3","1") = "6"
    & skf18("6","6","7","7","3","4","1") = "6"
    & skf18("6","6","7","7","3","5","1") = "6"
    & skf18("6","6","7","7","3","6","1") = "6"
    & skf18("6","6","7","7","3","7","1") = "6"
    & skf18("6","6","7","7","3","8","1") = "7"
    & skf18("6","6","7","7","3","9","1") = "8"
    & skf18("6","6","7","7","3","10","1") = "9"
    & skf18("6","6","7","7","4","1","1") = "6"
    & skf18("6","6","7","7","4","2","1") = "6"
    & skf18("6","6","7","7","4","3","1") = "6"
    & skf18("6","6","7","7","4","4","1") = "6"
    & skf18("6","6","7","7","4","5","1") = "6"
    & skf18("6","6","7","7","4","6","1") = "6"
    & skf18("6","6","7","7","4","7","1") = "6"
    & skf18("6","6","7","7","4","8","1") = "7"
    & skf18("6","6","7","7","4","9","1") = "8"
    & skf18("6","6","7","7","4","10","1") = "9"
    & skf18("6","6","7","7","5","1","1") = "6"
    & skf18("6","6","7","7","5","2","1") = "6"
    & skf18("6","6","7","7","5","3","1") = "6"
    & skf18("6","6","7","7","5","4","1") = "6"
    & skf18("6","6","7","7","5","5","1") = "6"
    & skf18("6","6","7","7","5","6","1") = "6"
    & skf18("6","6","7","7","5","7","1") = "6"
    & skf18("6","6","7","7","5","8","1") = "7"
    & skf18("6","6","7","7","5","9","1") = "8"
    & skf18("6","6","7","7","5","10","1") = "9"
    & skf18("6","6","7","7","6","1","1") = "6"
    & skf18("6","6","7","7","6","2","1") = "6"
    & skf18("6","6","7","7","6","3","1") = "6"
    & skf18("6","6","7","7","6","4","1") = "6"
    & skf18("6","6","7","7","6","5","1") = "6"
    & skf18("6","6","7","7","6","6","1") = "6"
    & skf18("6","6","7","7","6","7","1") = "6"
    & skf18("6","6","7","7","6","8","1") = "7"
    & skf18("6","6","7","7","6","9","1") = "8"
    & skf18("6","6","7","7","6","10","1") = "9"
    & skf18("6","6","7","7","7","1","1") = "6"
    & skf18("6","6","7","7","7","2","1") = "6"
    & skf18("6","6","7","7","7","3","1") = "6"
    & skf18("6","6","7","7","7","4","1") = "6"
    & skf18("6","6","7","7","7","5","1") = "6"
    & skf18("6","6","7","7","7","6","1") = "6"
    & skf18("6","6","7","7","7","7","1") = "6"
    & skf18("6","6","7","7","7","8","1") = "7"
    & skf18("6","6","7","7","7","9","1") = "8"
    & skf18("6","6","7","7","7","10","1") = "9"
    & skf18("6","6","7","7","8","1","1") = "7"
    & skf18("6","6","7","7","8","2","1") = "7"
    & skf18("6","6","7","7","8","3","1") = "7"
    & skf18("6","6","7","7","8","4","1") = "7"
    & skf18("6","6","7","7","8","5","1") = "7"
    & skf18("6","6","7","7","8","6","1") = "7"
    & skf18("6","6","7","7","8","7","1") = "7"
    & skf18("6","6","7","7","8","8","1") = "7"
    & skf18("6","6","7","7","8","9","1") = "8"
    & skf18("6","6","7","7","8","10","1") = "9"
    & skf18("6","6","7","7","9","1","1") = "8"
    & skf18("6","6","7","7","9","2","1") = "8"
    & skf18("6","6","7","7","9","3","1") = "8"
    & skf18("6","6","7","7","9","4","1") = "8"
    & skf18("6","6","7","7","9","5","1") = "8"
    & skf18("6","6","7","7","9","6","1") = "8"
    & skf18("6","6","7","7","9","7","1") = "8"
    & skf18("6","6","7","7","9","8","1") = "8"
    & skf18("6","6","7","7","9","9","1") = "8"
    & skf18("6","6","7","7","9","10","1") = "9"
    & skf18("6","6","7","7","10","1","1") = "9"
    & skf18("6","6","7","7","10","2","1") = "9"
    & skf18("6","6","7","7","10","3","1") = "9"
    & skf18("6","6","7","7","10","4","1") = "9"
    & skf18("6","6","7","7","10","5","1") = "9"
    & skf18("6","6","7","7","10","6","1") = "9"
    & skf18("6","6","7","7","10","7","1") = "9"
    & skf18("6","6","7","7","10","8","1") = "9"
    & skf18("6","6","7","7","10","9","1") = "9"
    & skf18("6","6","7","7","10","10","1") = "9"
    & skf18("6","6","7","8","1","1","1") = "7"
    & skf18("6","6","7","8","1","2","1") = "7"
    & skf18("6","6","7","8","1","3","1") = "7"
    & skf18("6","6","7","8","1","4","1") = "7"
    & skf18("6","6","7","8","1","5","1") = "7"
    & skf18("6","6","7","8","1","6","1") = "7"
    & skf18("6","6","7","8","1","7","1") = "7"
    & skf18("6","6","7","8","1","8","1") = "7"
    & skf18("6","6","7","8","1","9","1") = "8"
    & skf18("6","6","7","8","1","10","1") = "9"
    & skf18("6","6","7","8","2","1","1") = "7"
    & skf18("6","6","7","8","2","2","1") = "7"
    & skf18("6","6","7","8","2","3","1") = "7"
    & skf18("6","6","7","8","2","4","1") = "7"
    & skf18("6","6","7","8","2","5","1") = "7"
    & skf18("6","6","7","8","2","6","1") = "7"
    & skf18("6","6","7","8","2","7","1") = "7"
    & skf18("6","6","7","8","2","8","1") = "7"
    & skf18("6","6","7","8","2","9","1") = "8"
    & skf18("6","6","7","8","2","10","1") = "9"
    & skf18("6","6","7","8","3","1","1") = "7"
    & skf18("6","6","7","8","3","2","1") = "7"
    & skf18("6","6","7","8","3","3","1") = "7"
    & skf18("6","6","7","8","3","4","1") = "7"
    & skf18("6","6","7","8","3","5","1") = "7"
    & skf18("6","6","7","8","3","6","1") = "7"
    & skf18("6","6","7","8","3","7","1") = "7"
    & skf18("6","6","7","8","3","8","1") = "7"
    & skf18("6","6","7","8","3","9","1") = "8"
    & skf18("6","6","7","8","3","10","1") = "9"
    & skf18("6","6","7","8","4","1","1") = "7"
    & skf18("6","6","7","8","4","2","1") = "7"
    & skf18("6","6","7","8","4","3","1") = "7"
    & skf18("6","6","7","8","4","4","1") = "7"
    & skf18("6","6","7","8","4","5","1") = "7"
    & skf18("6","6","7","8","4","6","1") = "7"
    & skf18("6","6","7","8","4","7","1") = "7"
    & skf18("6","6","7","8","4","8","1") = "7"
    & skf18("6","6","7","8","4","9","1") = "8"
    & skf18("6","6","7","8","4","10","1") = "9"
    & skf18("6","6","7","8","5","1","1") = "7"
    & skf18("6","6","7","8","5","2","1") = "7"
    & skf18("6","6","7","8","5","3","1") = "7"
    & skf18("6","6","7","8","5","4","1") = "7"
    & skf18("6","6","7","8","5","5","1") = "7"
    & skf18("6","6","7","8","5","6","1") = "7"
    & skf18("6","6","7","8","5","7","1") = "7"
    & skf18("6","6","7","8","5","8","1") = "7"
    & skf18("6","6","7","8","5","9","1") = "8"
    & skf18("6","6","7","8","5","10","1") = "9"
    & skf18("6","6","7","8","6","1","1") = "7"
    & skf18("6","6","7","8","6","2","1") = "7"
    & skf18("6","6","7","8","6","3","1") = "7"
    & skf18("6","6","7","8","6","4","1") = "7"
    & skf18("6","6","7","8","6","5","1") = "7"
    & skf18("6","6","7","8","6","6","1") = "7"
    & skf18("6","6","7","8","6","7","1") = "7"
    & skf18("6","6","7","8","6","8","1") = "7"
    & skf18("6","6","7","8","6","9","1") = "8"
    & skf18("6","6","7","8","6","10","1") = "9"
    & skf18("6","6","7","8","7","1","1") = "7"
    & skf18("6","6","7","8","7","2","1") = "7"
    & skf18("6","6","7","8","7","3","1") = "7"
    & skf18("6","6","7","8","7","4","1") = "7"
    & skf18("6","6","7","8","7","5","1") = "7"
    & skf18("6","6","7","8","7","6","1") = "7"
    & skf18("6","6","7","8","7","7","1") = "7"
    & skf18("6","6","7","8","7","8","1") = "7"
    & skf18("6","6","7","8","7","9","1") = "8"
    & skf18("6","6","7","8","7","10","1") = "9"
    & skf18("6","6","7","8","8","1","1") = "7"
    & skf18("6","6","7","8","8","2","1") = "7"
    & skf18("6","6","7","8","8","3","1") = "7"
    & skf18("6","6","7","8","8","4","1") = "7"
    & skf18("6","6","7","8","8","5","1") = "7"
    & skf18("6","6","7","8","8","6","1") = "7"
    & skf18("6","6","7","8","8","7","1") = "7"
    & skf18("6","6","7","8","8","8","1") = "7"
    & skf18("6","6","7","8","8","9","1") = "8"
    & skf18("6","6","7","8","8","10","1") = "9"
    & skf18("6","6","7","8","9","1","1") = "8"
    & skf18("6","6","7","8","9","2","1") = "8"
    & skf18("6","6","7","8","9","3","1") = "8"
    & skf18("6","6","7","8","9","4","1") = "8"
    & skf18("6","6","7","8","9","5","1") = "8"
    & skf18("6","6","7","8","9","6","1") = "8"
    & skf18("6","6","7","8","9","7","1") = "8"
    & skf18("6","6","7","8","9","8","1") = "8"
    & skf18("6","6","7","8","9","9","1") = "8"
    & skf18("6","6","7","8","9","10","1") = "9"
    & skf18("6","6","7","8","10","1","1") = "9"
    & skf18("6","6","7","8","10","2","1") = "9"
    & skf18("6","6","7","8","10","3","1") = "9"
    & skf18("6","6","7","8","10","4","1") = "9"
    & skf18("6","6","7","8","10","5","1") = "9"
    & skf18("6","6","7","8","10","6","1") = "9"
    & skf18("6","6","7","8","10","7","1") = "9"
    & skf18("6","6","7","8","10","8","1") = "9"
    & skf18("6","6","7","8","10","9","1") = "9"
    & skf18("6","6","7","8","10","10","1") = "9"
    & skf18("6","6","7","9","1","1","1") = "8"
    & skf18("6","6","7","9","1","2","1") = "8"
    & skf18("6","6","7","9","1","3","1") = "8"
    & skf18("6","6","7","9","1","4","1") = "8"
    & skf18("6","6","7","9","1","5","1") = "8"
    & skf18("6","6","7","9","1","6","1") = "8"
    & skf18("6","6","7","9","1","7","1") = "8"
    & skf18("6","6","7","9","1","8","1") = "8"
    & skf18("6","6","7","9","1","9","1") = "8"
    & skf18("6","6","7","9","1","10","1") = "9"
    & skf18("6","6","7","9","2","1","1") = "8"
    & skf18("6","6","7","9","2","2","1") = "8"
    & skf18("6","6","7","9","2","3","1") = "8"
    & skf18("6","6","7","9","2","4","1") = "8"
    & skf18("6","6","7","9","2","5","1") = "8"
    & skf18("6","6","7","9","2","6","1") = "8"
    & skf18("6","6","7","9","2","7","1") = "8"
    & skf18("6","6","7","9","2","8","1") = "8"
    & skf18("6","6","7","9","2","9","1") = "8"
    & skf18("6","6","7","9","2","10","1") = "9"
    & skf18("6","6","7","9","3","1","1") = "8"
    & skf18("6","6","7","9","3","2","1") = "8"
    & skf18("6","6","7","9","3","3","1") = "8"
    & skf18("6","6","7","9","3","4","1") = "8"
    & skf18("6","6","7","9","3","5","1") = "8"
    & skf18("6","6","7","9","3","6","1") = "8"
    & skf18("6","6","7","9","3","7","1") = "8"
    & skf18("6","6","7","9","3","8","1") = "8"
    & skf18("6","6","7","9","3","9","1") = "8"
    & skf18("6","6","7","9","3","10","1") = "9"
    & skf18("6","6","7","9","4","1","1") = "8"
    & skf18("6","6","7","9","4","2","1") = "8"
    & skf18("6","6","7","9","4","3","1") = "8"
    & skf18("6","6","7","9","4","4","1") = "8"
    & skf18("6","6","7","9","4","5","1") = "8"
    & skf18("6","6","7","9","4","6","1") = "8"
    & skf18("6","6","7","9","4","7","1") = "8"
    & skf18("6","6","7","9","4","8","1") = "8"
    & skf18("6","6","7","9","4","9","1") = "8"
    & skf18("6","6","7","9","4","10","1") = "9"
    & skf18("6","6","7","9","5","1","1") = "8"
    & skf18("6","6","7","9","5","2","1") = "8"
    & skf18("6","6","7","9","5","3","1") = "8"
    & skf18("6","6","7","9","5","4","1") = "8"
    & skf18("6","6","7","9","5","5","1") = "8"
    & skf18("6","6","7","9","5","6","1") = "8"
    & skf18("6","6","7","9","5","7","1") = "8"
    & skf18("6","6","7","9","5","8","1") = "8"
    & skf18("6","6","7","9","5","9","1") = "8"
    & skf18("6","6","7","9","5","10","1") = "9"
    & skf18("6","6","7","9","6","1","1") = "8"
    & skf18("6","6","7","9","6","2","1") = "8"
    & skf18("6","6","7","9","6","3","1") = "8"
    & skf18("6","6","7","9","6","4","1") = "8"
    & skf18("6","6","7","9","6","5","1") = "8"
    & skf18("6","6","7","9","6","6","1") = "8"
    & skf18("6","6","7","9","6","7","1") = "8"
    & skf18("6","6","7","9","6","8","1") = "8"
    & skf18("6","6","7","9","6","9","1") = "8"
    & skf18("6","6","7","9","6","10","1") = "9"
    & skf18("6","6","7","9","7","1","1") = "8"
    & skf18("6","6","7","9","7","2","1") = "8"
    & skf18("6","6","7","9","7","3","1") = "8"
    & skf18("6","6","7","9","7","4","1") = "8"
    & skf18("6","6","7","9","7","5","1") = "8"
    & skf18("6","6","7","9","7","6","1") = "8"
    & skf18("6","6","7","9","7","7","1") = "8"
    & skf18("6","6","7","9","7","8","1") = "8"
    & skf18("6","6","7","9","7","9","1") = "8"
    & skf18("6","6","7","9","7","10","1") = "9"
    & skf18("6","6","7","9","8","1","1") = "8"
    & skf18("6","6","7","9","8","2","1") = "8"
    & skf18("6","6","7","9","8","3","1") = "8"
    & skf18("6","6","7","9","8","4","1") = "8"
    & skf18("6","6","7","9","8","5","1") = "8"
    & skf18("6","6","7","9","8","6","1") = "8"
    & skf18("6","6","7","9","8","7","1") = "8"
    & skf18("6","6","7","9","8","8","1") = "8"
    & skf18("6","6","7","9","8","9","1") = "8"
    & skf18("6","6","7","9","8","10","1") = "9"
    & skf18("6","6","7","9","9","1","1") = "8"
    & skf18("6","6","7","9","9","2","1") = "8"
    & skf18("6","6","7","9","9","3","1") = "8"
    & skf18("6","6","7","9","9","4","1") = "8"
    & skf18("6","6","7","9","9","5","1") = "8"
    & skf18("6","6","7","9","9","6","1") = "8"
    & skf18("6","6","7","9","9","7","1") = "8"
    & skf18("6","6","7","9","9","8","1") = "8"
    & skf18("6","6","7","9","9","9","1") = "8"
    & skf18("6","6","7","9","9","10","1") = "9"
    & skf18("6","6","7","9","10","1","1") = "9"
    & skf18("6","6","7","9","10","2","1") = "9"
    & skf18("6","6","7","9","10","3","1") = "9"
    & skf18("6","6","7","9","10","4","1") = "9"
    & skf18("6","6","7","9","10","5","1") = "9"
    & skf18("6","6","7","9","10","6","1") = "9"
    & skf18("6","6","7","9","10","7","1") = "9"
    & skf18("6","6","7","9","10","8","1") = "9"
    & skf18("6","6","7","9","10","9","1") = "9"
    & skf18("6","6","7","9","10","10","1") = "9"
    & skf18("6","6","7","10","1","1","1") = "9"
    & skf18("6","6","7","10","1","2","1") = "9"
    & skf18("6","6","7","10","1","3","1") = "9"
    & skf18("6","6","7","10","1","4","1") = "9"
    & skf18("6","6","7","10","1","5","1") = "9"
    & skf18("6","6","7","10","1","6","1") = "9"
    & skf18("6","6","7","10","1","7","1") = "9"
    & skf18("6","6","7","10","1","8","1") = "9"
    & skf18("6","6","7","10","1","9","1") = "9"
    & skf18("6","6","7","10","1","10","1") = "9"
    & skf18("6","6","7","10","2","1","1") = "9"
    & skf18("6","6","7","10","2","2","1") = "9"
    & skf18("6","6","7","10","2","3","1") = "9"
    & skf18("6","6","7","10","2","4","1") = "9"
    & skf18("6","6","7","10","2","5","1") = "9"
    & skf18("6","6","7","10","2","6","1") = "9"
    & skf18("6","6","7","10","2","7","1") = "9"
    & skf18("6","6","7","10","2","8","1") = "9"
    & skf18("6","6","7","10","2","9","1") = "9"
    & skf18("6","6","7","10","2","10","1") = "9"
    & skf18("6","6","7","10","3","1","1") = "9"
    & skf18("6","6","7","10","3","2","1") = "9"
    & skf18("6","6","7","10","3","3","1") = "9"
    & skf18("6","6","7","10","3","4","1") = "9"
    & skf18("6","6","7","10","3","5","1") = "9"
    & skf18("6","6","7","10","3","6","1") = "9"
    & skf18("6","6","7","10","3","7","1") = "9"
    & skf18("6","6","7","10","3","8","1") = "9"
    & skf18("6","6","7","10","3","9","1") = "9"
    & skf18("6","6","7","10","3","10","1") = "9"
    & skf18("6","6","7","10","4","1","1") = "9"
    & skf18("6","6","7","10","4","2","1") = "9"
    & skf18("6","6","7","10","4","3","1") = "9"
    & skf18("6","6","7","10","4","4","1") = "9"
    & skf18("6","6","7","10","4","5","1") = "9"
    & skf18("6","6","7","10","4","6","1") = "9"
    & skf18("6","6","7","10","4","7","1") = "9"
    & skf18("6","6","7","10","4","8","1") = "9"
    & skf18("6","6","7","10","4","9","1") = "9"
    & skf18("6","6","7","10","4","10","1") = "9"
    & skf18("6","6","7","10","5","1","1") = "9"
    & skf18("6","6","7","10","5","2","1") = "9"
    & skf18("6","6","7","10","5","3","1") = "9"
    & skf18("6","6","7","10","5","4","1") = "9"
    & skf18("6","6","7","10","5","5","1") = "9"
    & skf18("6","6","7","10","5","6","1") = "9"
    & skf18("6","6","7","10","5","7","1") = "9"
    & skf18("6","6","7","10","5","8","1") = "9"
    & skf18("6","6","7","10","5","9","1") = "9"
    & skf18("6","6","7","10","5","10","1") = "9"
    & skf18("6","6","7","10","6","1","1") = "9"
    & skf18("6","6","7","10","6","2","1") = "9"
    & skf18("6","6","7","10","6","3","1") = "9"
    & skf18("6","6","7","10","6","4","1") = "9"
    & skf18("6","6","7","10","6","5","1") = "9"
    & skf18("6","6","7","10","6","6","1") = "9"
    & skf18("6","6","7","10","6","7","1") = "9"
    & skf18("6","6","7","10","6","8","1") = "9"
    & skf18("6","6","7","10","6","9","1") = "9"
    & skf18("6","6","7","10","6","10","1") = "9"
    & skf18("6","6","7","10","7","1","1") = "9"
    & skf18("6","6","7","10","7","2","1") = "9"
    & skf18("6","6","7","10","7","3","1") = "9"
    & skf18("6","6","7","10","7","4","1") = "9"
    & skf18("6","6","7","10","7","5","1") = "9"
    & skf18("6","6","7","10","7","6","1") = "9"
    & skf18("6","6","7","10","7","7","1") = "9"
    & skf18("6","6","7","10","7","8","1") = "9"
    & skf18("6","6","7","10","7","9","1") = "9"
    & skf18("6","6","7","10","7","10","1") = "9"
    & skf18("6","6","7","10","8","1","1") = "9"
    & skf18("6","6","7","10","8","2","1") = "9"
    & skf18("6","6","7","10","8","3","1") = "9"
    & skf18("6","6","7","10","8","4","1") = "9"
    & skf18("6","6","7","10","8","5","1") = "9"
    & skf18("6","6","7","10","8","6","1") = "9"
    & skf18("6","6","7","10","8","7","1") = "9"
    & skf18("6","6","7","10","8","8","1") = "9"
    & skf18("6","6","7","10","8","9","1") = "9"
    & skf18("6","6","7","10","8","10","1") = "9"
    & skf18("6","6","7","10","9","1","1") = "9"
    & skf18("6","6","7","10","9","2","1") = "9"
    & skf18("6","6","7","10","9","3","1") = "9"
    & skf18("6","6","7","10","9","4","1") = "9"
    & skf18("6","6","7","10","9","5","1") = "9"
    & skf18("6","6","7","10","9","6","1") = "9"
    & skf18("6","6","7","10","9","7","1") = "9"
    & skf18("6","6","7","10","9","8","1") = "9"
    & skf18("6","6","7","10","9","9","1") = "9"
    & skf18("6","6","7","10","9","10","1") = "9"
    & skf18("6","6","7","10","10","1","1") = "9"
    & skf18("6","6","7","10","10","2","1") = "9"
    & skf18("6","6","7","10","10","3","1") = "9"
    & skf18("6","6","7","10","10","4","1") = "9"
    & skf18("6","6","7","10","10","5","1") = "9"
    & skf18("6","6","7","10","10","6","1") = "9"
    & skf18("6","6","7","10","10","7","1") = "9"
    & skf18("6","6","7","10","10","8","1") = "9"
    & skf18("6","6","7","10","10","9","1") = "9"
    & skf18("6","6","7","10","10","10","1") = "9"
    & skf18("6","6","8","1","1","1","1") = "7"
    & skf18("6","6","8","1","1","2","1") = "7"
    & skf18("6","6","8","1","1","3","1") = "7"
    & skf18("6","6","8","1","1","4","1") = "7"
    & skf18("6","6","8","1","1","5","1") = "7"
    & skf18("6","6","8","1","1","6","1") = "7"
    & skf18("6","6","8","1","1","7","1") = "7"
    & skf18("6","6","8","1","1","8","1") = "7"
    & skf18("6","6","8","1","1","9","1") = "8"
    & skf18("6","6","8","1","1","10","1") = "9"
    & skf18("6","6","8","1","2","1","1") = "7"
    & skf18("6","6","8","1","2","2","1") = "7"
    & skf18("6","6","8","1","2","3","1") = "7"
    & skf18("6","6","8","1","2","4","1") = "7"
    & skf18("6","6","8","1","2","5","1") = "7"
    & skf18("6","6","8","1","2","6","1") = "7"
    & skf18("6","6","8","1","2","7","1") = "7"
    & skf18("6","6","8","1","2","8","1") = "7"
    & skf18("6","6","8","1","2","9","1") = "8"
    & skf18("6","6","8","1","2","10","1") = "9"
    & skf18("6","6","8","1","3","1","1") = "7"
    & skf18("6","6","8","1","3","2","1") = "7"
    & skf18("6","6","8","1","3","3","1") = "7"
    & skf18("6","6","8","1","3","4","1") = "7"
    & skf18("6","6","8","1","3","5","1") = "7"
    & skf18("6","6","8","1","3","6","1") = "7"
    & skf18("6","6","8","1","3","7","1") = "7"
    & skf18("6","6","8","1","3","8","1") = "7"
    & skf18("6","6","8","1","3","9","1") = "8"
    & skf18("6","6","8","1","3","10","1") = "9"
    & skf18("6","6","8","1","4","1","1") = "7"
    & skf18("6","6","8","1","4","2","1") = "7"
    & skf18("6","6","8","1","4","3","1") = "7"
    & skf18("6","6","8","1","4","4","1") = "7"
    & skf18("6","6","8","1","4","5","1") = "7"
    & skf18("6","6","8","1","4","6","1") = "7"
    & skf18("6","6","8","1","4","7","1") = "7"
    & skf18("6","6","8","1","4","8","1") = "7"
    & skf18("6","6","8","1","4","9","1") = "8"
    & skf18("6","6","8","1","4","10","1") = "9"
    & skf18("6","6","8","1","5","1","1") = "7"
    & skf18("6","6","8","1","5","2","1") = "7"
    & skf18("6","6","8","1","5","3","1") = "7"
    & skf18("6","6","8","1","5","4","1") = "7"
    & skf18("6","6","8","1","5","5","1") = "7"
    & skf18("6","6","8","1","5","6","1") = "7"
    & skf18("6","6","8","1","5","7","1") = "7"
    & skf18("6","6","8","1","5","8","1") = "7"
    & skf18("6","6","8","1","5","9","1") = "8"
    & skf18("6","6","8","1","5","10","1") = "9"
    & skf18("6","6","8","1","6","1","1") = "7"
    & skf18("6","6","8","1","6","2","1") = "7"
    & skf18("6","6","8","1","6","3","1") = "7"
    & skf18("6","6","8","1","6","4","1") = "7"
    & skf18("6","6","8","1","6","5","1") = "7"
    & skf18("6","6","8","1","6","6","1") = "7"
    & skf18("6","6","8","1","6","7","1") = "7"
    & skf18("6","6","8","1","6","8","1") = "7"
    & skf18("6","6","8","1","6","9","1") = "8"
    & skf18("6","6","8","1","6","10","1") = "9"
    & skf18("6","6","8","1","7","1","1") = "7"
    & skf18("6","6","8","1","7","2","1") = "7"
    & skf18("6","6","8","1","7","3","1") = "7"
    & skf18("6","6","8","1","7","4","1") = "7"
    & skf18("6","6","8","1","7","5","1") = "7"
    & skf18("6","6","8","1","7","6","1") = "7"
    & skf18("6","6","8","1","7","7","1") = "7"
    & skf18("6","6","8","1","7","8","1") = "7"
    & skf18("6","6","8","1","7","9","1") = "8"
    & skf18("6","6","8","1","7","10","1") = "9"
    & skf18("6","6","8","1","8","1","1") = "7"
    & skf18("6","6","8","1","8","2","1") = "7"
    & skf18("6","6","8","1","8","3","1") = "7"
    & skf18("6","6","8","1","8","4","1") = "7"
    & skf18("6","6","8","1","8","5","1") = "7"
    & skf18("6","6","8","1","8","6","1") = "7"
    & skf18("6","6","8","1","8","7","1") = "7"
    & skf18("6","6","8","1","8","8","1") = "7"
    & skf18("6","6","8","1","8","9","1") = "8"
    & skf18("6","6","8","1","8","10","1") = "9"
    & skf18("6","6","8","1","9","1","1") = "8"
    & skf18("6","6","8","1","9","2","1") = "8"
    & skf18("6","6","8","1","9","3","1") = "8"
    & skf18("6","6","8","1","9","4","1") = "8"
    & skf18("6","6","8","1","9","5","1") = "8"
    & skf18("6","6","8","1","9","6","1") = "8"
    & skf18("6","6","8","1","9","7","1") = "8"
    & skf18("6","6","8","1","9","8","1") = "8"
    & skf18("6","6","8","1","9","9","1") = "8"
    & skf18("6","6","8","1","9","10","1") = "9"
    & skf18("6","6","8","1","10","1","1") = "9"
    & skf18("6","6","8","1","10","2","1") = "9"
    & skf18("6","6","8","1","10","3","1") = "9"
    & skf18("6","6","8","1","10","4","1") = "9"
    & skf18("6","6","8","1","10","5","1") = "9"
    & skf18("6","6","8","1","10","6","1") = "9"
    & skf18("6","6","8","1","10","7","1") = "9"
    & skf18("6","6","8","1","10","8","1") = "9"
    & skf18("6","6","8","1","10","9","1") = "9"
    & skf18("6","6","8","1","10","10","1") = "9"
    & skf18("6","6","8","2","1","1","1") = "7"
    & skf18("6","6","8","2","1","2","1") = "7"
    & skf18("6","6","8","2","1","3","1") = "7"
    & skf18("6","6","8","2","1","4","1") = "7"
    & skf18("6","6","8","2","1","5","1") = "7"
    & skf18("6","6","8","2","1","6","1") = "7"
    & skf18("6","6","8","2","1","7","1") = "7"
    & skf18("6","6","8","2","1","8","1") = "7"
    & skf18("6","6","8","2","1","9","1") = "8"
    & skf18("6","6","8","2","1","10","1") = "9"
    & skf18("6","6","8","2","2","1","1") = "7"
    & skf18("6","6","8","2","2","2","1") = "7"
    & skf18("6","6","8","2","2","3","1") = "7"
    & skf18("6","6","8","2","2","4","1") = "7"
    & skf18("6","6","8","2","2","5","1") = "7"
    & skf18("6","6","8","2","2","6","1") = "7"
    & skf18("6","6","8","2","2","7","1") = "7"
    & skf18("6","6","8","2","2","8","1") = "7"
    & skf18("6","6","8","2","2","9","1") = "8"
    & skf18("6","6","8","2","2","10","1") = "9"
    & skf18("6","6","8","2","3","1","1") = "7"
    & skf18("6","6","8","2","3","2","1") = "7"
    & skf18("6","6","8","2","3","3","1") = "7"
    & skf18("6","6","8","2","3","4","1") = "7"
    & skf18("6","6","8","2","3","5","1") = "7"
    & skf18("6","6","8","2","3","6","1") = "7"
    & skf18("6","6","8","2","3","7","1") = "7"
    & skf18("6","6","8","2","3","8","1") = "7"
    & skf18("6","6","8","2","3","9","1") = "8"
    & skf18("6","6","8","2","3","10","1") = "9"
    & skf18("6","6","8","2","4","1","1") = "7"
    & skf18("6","6","8","2","4","2","1") = "7"
    & skf18("6","6","8","2","4","3","1") = "7"
    & skf18("6","6","8","2","4","4","1") = "7"
    & skf18("6","6","8","2","4","5","1") = "7"
    & skf18("6","6","8","2","4","6","1") = "7"
    & skf18("6","6","8","2","4","7","1") = "7"
    & skf18("6","6","8","2","4","8","1") = "7"
    & skf18("6","6","8","2","4","9","1") = "8"
    & skf18("6","6","8","2","4","10","1") = "9"
    & skf18("6","6","8","2","5","1","1") = "7"
    & skf18("6","6","8","2","5","2","1") = "7"
    & skf18("6","6","8","2","5","3","1") = "7"
    & skf18("6","6","8","2","5","4","1") = "7"
    & skf18("6","6","8","2","5","5","1") = "7"
    & skf18("6","6","8","2","5","6","1") = "7"
    & skf18("6","6","8","2","5","7","1") = "7"
    & skf18("6","6","8","2","5","8","1") = "7"
    & skf18("6","6","8","2","5","9","1") = "8"
    & skf18("6","6","8","2","5","10","1") = "9"
    & skf18("6","6","8","2","6","1","1") = "7"
    & skf18("6","6","8","2","6","2","1") = "7"
    & skf18("6","6","8","2","6","3","1") = "7"
    & skf18("6","6","8","2","6","4","1") = "7"
    & skf18("6","6","8","2","6","5","1") = "7"
    & skf18("6","6","8","2","6","6","1") = "7"
    & skf18("6","6","8","2","6","7","1") = "7"
    & skf18("6","6","8","2","6","8","1") = "7"
    & skf18("6","6","8","2","6","9","1") = "8"
    & skf18("6","6","8","2","6","10","1") = "9"
    & skf18("6","6","8","2","7","1","1") = "7"
    & skf18("6","6","8","2","7","2","1") = "7"
    & skf18("6","6","8","2","7","3","1") = "7"
    & skf18("6","6","8","2","7","4","1") = "7"
    & skf18("6","6","8","2","7","5","1") = "7"
    & skf18("6","6","8","2","7","6","1") = "7"
    & skf18("6","6","8","2","7","7","1") = "7"
    & skf18("6","6","8","2","7","8","1") = "7"
    & skf18("6","6","8","2","7","9","1") = "8"
    & skf18("6","6","8","2","7","10","1") = "9"
    & skf18("6","6","8","2","8","1","1") = "7"
    & skf18("6","6","8","2","8","2","1") = "7"
    & skf18("6","6","8","2","8","3","1") = "7"
    & skf18("6","6","8","2","8","4","1") = "7"
    & skf18("6","6","8","2","8","5","1") = "7"
    & skf18("6","6","8","2","8","6","1") = "7"
    & skf18("6","6","8","2","8","7","1") = "7"
    & skf18("6","6","8","2","8","8","1") = "7"
    & skf18("6","6","8","2","8","9","1") = "8"
    & skf18("6","6","8","2","8","10","1") = "9"
    & skf18("6","6","8","2","9","1","1") = "8"
    & skf18("6","6","8","2","9","2","1") = "8"
    & skf18("6","6","8","2","9","3","1") = "8"
    & skf18("6","6","8","2","9","4","1") = "8"
    & skf18("6","6","8","2","9","5","1") = "8"
    & skf18("6","6","8","2","9","6","1") = "8"
    & skf18("6","6","8","2","9","7","1") = "8"
    & skf18("6","6","8","2","9","8","1") = "8"
    & skf18("6","6","8","2","9","9","1") = "8"
    & skf18("6","6","8","2","9","10","1") = "9"
    & skf18("6","6","8","2","10","1","1") = "9"
    & skf18("6","6","8","2","10","2","1") = "9"
    & skf18("6","6","8","2","10","3","1") = "9"
    & skf18("6","6","8","2","10","4","1") = "9"
    & skf18("6","6","8","2","10","5","1") = "9"
    & skf18("6","6","8","2","10","6","1") = "9"
    & skf18("6","6","8","2","10","7","1") = "9"
    & skf18("6","6","8","2","10","8","1") = "9"
    & skf18("6","6","8","2","10","9","1") = "9"
    & skf18("6","6","8","2","10","10","1") = "9"
    & skf18("6","6","8","3","1","1","1") = "7"
    & skf18("6","6","8","3","1","2","1") = "7"
    & skf18("6","6","8","3","1","3","1") = "7"
    & skf18("6","6","8","3","1","4","1") = "7"
    & skf18("6","6","8","3","1","5","1") = "7"
    & skf18("6","6","8","3","1","6","1") = "7"
    & skf18("6","6","8","3","1","7","1") = "7"
    & skf18("6","6","8","3","1","8","1") = "7"
    & skf18("6","6","8","3","1","9","1") = "8"
    & skf18("6","6","8","3","1","10","1") = "9"
    & skf18("6","6","8","3","2","1","1") = "7"
    & skf18("6","6","8","3","2","2","1") = "7"
    & skf18("6","6","8","3","2","3","1") = "7"
    & skf18("6","6","8","3","2","4","1") = "7"
    & skf18("6","6","8","3","2","5","1") = "7"
    & skf18("6","6","8","3","2","6","1") = "7"
    & skf18("6","6","8","3","2","7","1") = "7"
    & skf18("6","6","8","3","2","8","1") = "7"
    & skf18("6","6","8","3","2","9","1") = "8"
    & skf18("6","6","8","3","2","10","1") = "9"
    & skf18("6","6","8","3","3","1","1") = "7"
    & skf18("6","6","8","3","3","2","1") = "7"
    & skf18("6","6","8","3","3","3","1") = "7"
    & skf18("6","6","8","3","3","4","1") = "7"
    & skf18("6","6","8","3","3","5","1") = "7"
    & skf18("6","6","8","3","3","6","1") = "7"
    & skf18("6","6","8","3","3","7","1") = "7"
    & skf18("6","6","8","3","3","8","1") = "7"
    & skf18("6","6","8","3","3","9","1") = "8"
    & skf18("6","6","8","3","3","10","1") = "9"
    & skf18("6","6","8","3","4","1","1") = "7"
    & skf18("6","6","8","3","4","2","1") = "7"
    & skf18("6","6","8","3","4","3","1") = "7"
    & skf18("6","6","8","3","4","4","1") = "7"
    & skf18("6","6","8","3","4","5","1") = "7"
    & skf18("6","6","8","3","4","6","1") = "7"
    & skf18("6","6","8","3","4","7","1") = "7"
    & skf18("6","6","8","3","4","8","1") = "7"
    & skf18("6","6","8","3","4","9","1") = "8"
    & skf18("6","6","8","3","4","10","1") = "9"
    & skf18("6","6","8","3","5","1","1") = "7"
    & skf18("6","6","8","3","5","2","1") = "7"
    & skf18("6","6","8","3","5","3","1") = "7"
    & skf18("6","6","8","3","5","4","1") = "7"
    & skf18("6","6","8","3","5","5","1") = "7"
    & skf18("6","6","8","3","5","6","1") = "7"
    & skf18("6","6","8","3","5","7","1") = "7"
    & skf18("6","6","8","3","5","8","1") = "7"
    & skf18("6","6","8","3","5","9","1") = "8"
    & skf18("6","6","8","3","5","10","1") = "9"
    & skf18("6","6","8","3","6","1","1") = "7"
    & skf18("6","6","8","3","6","2","1") = "7"
    & skf18("6","6","8","3","6","3","1") = "7"
    & skf18("6","6","8","3","6","4","1") = "7"
    & skf18("6","6","8","3","6","5","1") = "7"
    & skf18("6","6","8","3","6","6","1") = "7"
    & skf18("6","6","8","3","6","7","1") = "7"
    & skf18("6","6","8","3","6","8","1") = "7"
    & skf18("6","6","8","3","6","9","1") = "8"
    & skf18("6","6","8","3","6","10","1") = "9"
    & skf18("6","6","8","3","7","1","1") = "7"
    & skf18("6","6","8","3","7","2","1") = "7"
    & skf18("6","6","8","3","7","3","1") = "7"
    & skf18("6","6","8","3","7","4","1") = "7"
    & skf18("6","6","8","3","7","5","1") = "7"
    & skf18("6","6","8","3","7","6","1") = "7"
    & skf18("6","6","8","3","7","7","1") = "7"
    & skf18("6","6","8","3","7","8","1") = "7"
    & skf18("6","6","8","3","7","9","1") = "8"
    & skf18("6","6","8","3","7","10","1") = "9"
    & skf18("6","6","8","3","8","1","1") = "7"
    & skf18("6","6","8","3","8","2","1") = "7"
    & skf18("6","6","8","3","8","3","1") = "7"
    & skf18("6","6","8","3","8","4","1") = "7"
    & skf18("6","6","8","3","8","5","1") = "7"
    & skf18("6","6","8","3","8","6","1") = "7"
    & skf18("6","6","8","3","8","7","1") = "7"
    & skf18("6","6","8","3","8","8","1") = "7"
    & skf18("6","6","8","3","8","9","1") = "8"
    & skf18("6","6","8","3","8","10","1") = "9"
    & skf18("6","6","8","3","9","1","1") = "8"
    & skf18("6","6","8","3","9","2","1") = "8"
    & skf18("6","6","8","3","9","3","1") = "8"
    & skf18("6","6","8","3","9","4","1") = "8"
    & skf18("6","6","8","3","9","5","1") = "8"
    & skf18("6","6","8","3","9","6","1") = "8"
    & skf18("6","6","8","3","9","7","1") = "8"
    & skf18("6","6","8","3","9","8","1") = "8"
    & skf18("6","6","8","3","9","9","1") = "8"
    & skf18("6","6","8","3","9","10","1") = "9"
    & skf18("6","6","8","3","10","1","1") = "9"
    & skf18("6","6","8","3","10","2","1") = "9"
    & skf18("6","6","8","3","10","3","1") = "9"
    & skf18("6","6","8","3","10","4","1") = "9"
    & skf18("6","6","8","3","10","5","1") = "9"
    & skf18("6","6","8","3","10","6","1") = "9"
    & skf18("6","6","8","3","10","7","1") = "9"
    & skf18("6","6","8","3","10","8","1") = "9"
    & skf18("6","6","8","3","10","9","1") = "9"
    & skf18("6","6","8","3","10","10","1") = "9"
    & skf18("6","6","8","4","1","1","1") = "7"
    & skf18("6","6","8","4","1","2","1") = "7"
    & skf18("6","6","8","4","1","3","1") = "7"
    & skf18("6","6","8","4","1","4","1") = "7"
    & skf18("6","6","8","4","1","5","1") = "7"
    & skf18("6","6","8","4","1","6","1") = "7"
    & skf18("6","6","8","4","1","7","1") = "7"
    & skf18("6","6","8","4","1","8","1") = "7"
    & skf18("6","6","8","4","1","9","1") = "8"
    & skf18("6","6","8","4","1","10","1") = "9"
    & skf18("6","6","8","4","2","1","1") = "7"
    & skf18("6","6","8","4","2","2","1") = "7"
    & skf18("6","6","8","4","2","3","1") = "7"
    & skf18("6","6","8","4","2","4","1") = "7"
    & skf18("6","6","8","4","2","5","1") = "7"
    & skf18("6","6","8","4","2","6","1") = "7"
    & skf18("6","6","8","4","2","7","1") = "7"
    & skf18("6","6","8","4","2","8","1") = "7"
    & skf18("6","6","8","4","2","9","1") = "8"
    & skf18("6","6","8","4","2","10","1") = "9"
    & skf18("6","6","8","4","3","1","1") = "7"
    & skf18("6","6","8","4","3","2","1") = "7"
    & skf18("6","6","8","4","3","3","1") = "7"
    & skf18("6","6","8","4","3","4","1") = "7"
    & skf18("6","6","8","4","3","5","1") = "7"
    & skf18("6","6","8","4","3","6","1") = "7"
    & skf18("6","6","8","4","3","7","1") = "7"
    & skf18("6","6","8","4","3","8","1") = "7"
    & skf18("6","6","8","4","3","9","1") = "8"
    & skf18("6","6","8","4","3","10","1") = "9"
    & skf18("6","6","8","4","4","1","1") = "7"
    & skf18("6","6","8","4","4","2","1") = "7"
    & skf18("6","6","8","4","4","3","1") = "7"
    & skf18("6","6","8","4","4","4","1") = "7"
    & skf18("6","6","8","4","4","5","1") = "7"
    & skf18("6","6","8","4","4","6","1") = "7"
    & skf18("6","6","8","4","4","7","1") = "7"
    & skf18("6","6","8","4","4","8","1") = "7"
    & skf18("6","6","8","4","4","9","1") = "8"
    & skf18("6","6","8","4","4","10","1") = "9"
    & skf18("6","6","8","4","5","1","1") = "7"
    & skf18("6","6","8","4","5","2","1") = "7"
    & skf18("6","6","8","4","5","3","1") = "7"
    & skf18("6","6","8","4","5","4","1") = "7"
    & skf18("6","6","8","4","5","5","1") = "7"
    & skf18("6","6","8","4","5","6","1") = "7"
    & skf18("6","6","8","4","5","7","1") = "7"
    & skf18("6","6","8","4","5","8","1") = "7"
    & skf18("6","6","8","4","5","9","1") = "8"
    & skf18("6","6","8","4","5","10","1") = "9"
    & skf18("6","6","8","4","6","1","1") = "7"
    & skf18("6","6","8","4","6","2","1") = "7"
    & skf18("6","6","8","4","6","3","1") = "7"
    & skf18("6","6","8","4","6","4","1") = "7"
    & skf18("6","6","8","4","6","5","1") = "7"
    & skf18("6","6","8","4","6","6","1") = "7"
    & skf18("6","6","8","4","6","7","1") = "7"
    & skf18("6","6","8","4","6","8","1") = "7"
    & skf18("6","6","8","4","6","9","1") = "8"
    & skf18("6","6","8","4","6","10","1") = "9"
    & skf18("6","6","8","4","7","1","1") = "7"
    & skf18("6","6","8","4","7","2","1") = "7"
    & skf18("6","6","8","4","7","3","1") = "7"
    & skf18("6","6","8","4","7","4","1") = "7"
    & skf18("6","6","8","4","7","5","1") = "7"
    & skf18("6","6","8","4","7","6","1") = "7"
    & skf18("6","6","8","4","7","7","1") = "7"
    & skf18("6","6","8","4","7","8","1") = "7"
    & skf18("6","6","8","4","7","9","1") = "8"
    & skf18("6","6","8","4","7","10","1") = "9"
    & skf18("6","6","8","4","8","1","1") = "7"
    & skf18("6","6","8","4","8","2","1") = "7"
    & skf18("6","6","8","4","8","3","1") = "7"
    & skf18("6","6","8","4","8","4","1") = "7"
    & skf18("6","6","8","4","8","5","1") = "7"
    & skf18("6","6","8","4","8","6","1") = "7"
    & skf18("6","6","8","4","8","7","1") = "7"
    & skf18("6","6","8","4","8","8","1") = "7"
    & skf18("6","6","8","4","8","9","1") = "8"
    & skf18("6","6","8","4","8","10","1") = "9"
    & skf18("6","6","8","4","9","1","1") = "8"
    & skf18("6","6","8","4","9","2","1") = "8"
    & skf18("6","6","8","4","9","3","1") = "8"
    & skf18("6","6","8","4","9","4","1") = "8"
    & skf18("6","6","8","4","9","5","1") = "8"
    & skf18("6","6","8","4","9","6","1") = "8"
    & skf18("6","6","8","4","9","7","1") = "8"
    & skf18("6","6","8","4","9","8","1") = "8"
    & skf18("6","6","8","4","9","9","1") = "8"
    & skf18("6","6","8","4","9","10","1") = "9"
    & skf18("6","6","8","4","10","1","1") = "9"
    & skf18("6","6","8","4","10","2","1") = "9"
    & skf18("6","6","8","4","10","3","1") = "9"
    & skf18("6","6","8","4","10","4","1") = "9"
    & skf18("6","6","8","4","10","5","1") = "9"
    & skf18("6","6","8","4","10","6","1") = "9"
    & skf18("6","6","8","4","10","7","1") = "9"
    & skf18("6","6","8","4","10","8","1") = "9"
    & skf18("6","6","8","4","10","9","1") = "9"
    & skf18("6","6","8","4","10","10","1") = "9"
    & skf18("6","6","8","5","1","1","1") = "7"
    & skf18("6","6","8","5","1","2","1") = "7"
    & skf18("6","6","8","5","1","3","1") = "7"
    & skf18("6","6","8","5","1","4","1") = "7"
    & skf18("6","6","8","5","1","5","1") = "7"
    & skf18("6","6","8","5","1","6","1") = "7"
    & skf18("6","6","8","5","1","7","1") = "7"
    & skf18("6","6","8","5","1","8","1") = "7"
    & skf18("6","6","8","5","1","9","1") = "8"
    & skf18("6","6","8","5","1","10","1") = "9"
    & skf18("6","6","8","5","2","1","1") = "7"
    & skf18("6","6","8","5","2","2","1") = "7"
    & skf18("6","6","8","5","2","3","1") = "7"
    & skf18("6","6","8","5","2","4","1") = "7"
    & skf18("6","6","8","5","2","5","1") = "7"
    & skf18("6","6","8","5","2","6","1") = "7"
    & skf18("6","6","8","5","2","7","1") = "7"
    & skf18("6","6","8","5","2","8","1") = "7"
    & skf18("6","6","8","5","2","9","1") = "8"
    & skf18("6","6","8","5","2","10","1") = "9"
    & skf18("6","6","8","5","3","1","1") = "7"
    & skf18("6","6","8","5","3","2","1") = "7"
    & skf18("6","6","8","5","3","3","1") = "7"
    & skf18("6","6","8","5","3","4","1") = "7"
    & skf18("6","6","8","5","3","5","1") = "7"
    & skf18("6","6","8","5","3","6","1") = "7"
    & skf18("6","6","8","5","3","7","1") = "7"
    & skf18("6","6","8","5","3","8","1") = "7"
    & skf18("6","6","8","5","3","9","1") = "8"
    & skf18("6","6","8","5","3","10","1") = "9"
    & skf18("6","6","8","5","4","1","1") = "7"
    & skf18("6","6","8","5","4","2","1") = "7"
    & skf18("6","6","8","5","4","3","1") = "7"
    & skf18("6","6","8","5","4","4","1") = "7"
    & skf18("6","6","8","5","4","5","1") = "7"
    & skf18("6","6","8","5","4","6","1") = "7"
    & skf18("6","6","8","5","4","7","1") = "7"
    & skf18("6","6","8","5","4","8","1") = "7"
    & skf18("6","6","8","5","4","9","1") = "8"
    & skf18("6","6","8","5","4","10","1") = "9"
    & skf18("6","6","8","5","5","1","1") = "7"
    & skf18("6","6","8","5","5","2","1") = "7"
    & skf18("6","6","8","5","5","3","1") = "7"
    & skf18("6","6","8","5","5","4","1") = "7"
    & skf18("6","6","8","5","5","5","1") = "7"
    & skf18("6","6","8","5","5","6","1") = "7"
    & skf18("6","6","8","5","5","7","1") = "7"
    & skf18("6","6","8","5","5","8","1") = "7"
    & skf18("6","6","8","5","5","9","1") = "8"
    & skf18("6","6","8","5","5","10","1") = "9"
    & skf18("6","6","8","5","6","1","1") = "7"
    & skf18("6","6","8","5","6","2","1") = "7"
    & skf18("6","6","8","5","6","3","1") = "7"
    & skf18("6","6","8","5","6","4","1") = "7"
    & skf18("6","6","8","5","6","5","1") = "7"
    & skf18("6","6","8","5","6","6","1") = "7"
    & skf18("6","6","8","5","6","7","1") = "7"
    & skf18("6","6","8","5","6","8","1") = "7"
    & skf18("6","6","8","5","6","9","1") = "8"
    & skf18("6","6","8","5","6","10","1") = "9"
    & skf18("6","6","8","5","7","1","1") = "7"
    & skf18("6","6","8","5","7","2","1") = "7"
    & skf18("6","6","8","5","7","3","1") = "7"
    & skf18("6","6","8","5","7","4","1") = "7"
    & skf18("6","6","8","5","7","5","1") = "7"
    & skf18("6","6","8","5","7","6","1") = "7"
    & skf18("6","6","8","5","7","7","1") = "7"
    & skf18("6","6","8","5","7","8","1") = "7"
    & skf18("6","6","8","5","7","9","1") = "8"
    & skf18("6","6","8","5","7","10","1") = "9"
    & skf18("6","6","8","5","8","1","1") = "7"
    & skf18("6","6","8","5","8","2","1") = "7"
    & skf18("6","6","8","5","8","3","1") = "7"
    & skf18("6","6","8","5","8","4","1") = "7"
    & skf18("6","6","8","5","8","5","1") = "7"
    & skf18("6","6","8","5","8","6","1") = "7"
    & skf18("6","6","8","5","8","7","1") = "7"
    & skf18("6","6","8","5","8","8","1") = "7"
    & skf18("6","6","8","5","8","9","1") = "8"
    & skf18("6","6","8","5","8","10","1") = "9"
    & skf18("6","6","8","5","9","1","1") = "8"
    & skf18("6","6","8","5","9","2","1") = "8"
    & skf18("6","6","8","5","9","3","1") = "8"
    & skf18("6","6","8","5","9","4","1") = "8"
    & skf18("6","6","8","5","9","5","1") = "8"
    & skf18("6","6","8","5","9","6","1") = "8"
    & skf18("6","6","8","5","9","7","1") = "8"
    & skf18("6","6","8","5","9","8","1") = "8"
    & skf18("6","6","8","5","9","9","1") = "8"
    & skf18("6","6","8","5","9","10","1") = "9"
    & skf18("6","6","8","5","10","1","1") = "9"
    & skf18("6","6","8","5","10","2","1") = "9"
    & skf18("6","6","8","5","10","3","1") = "9"
    & skf18("6","6","8","5","10","4","1") = "9"
    & skf18("6","6","8","5","10","5","1") = "9"
    & skf18("6","6","8","5","10","6","1") = "9"
    & skf18("6","6","8","5","10","7","1") = "9"
    & skf18("6","6","8","5","10","8","1") = "9"
    & skf18("6","6","8","5","10","9","1") = "9"
    & skf18("6","6","8","5","10","10","1") = "9"
    & skf18("6","6","8","6","1","1","1") = "7"
    & skf18("6","6","8","6","1","2","1") = "7"
    & skf18("6","6","8","6","1","3","1") = "7"
    & skf18("6","6","8","6","1","4","1") = "7"
    & skf18("6","6","8","6","1","5","1") = "7"
    & skf18("6","6","8","6","1","6","1") = "7"
    & skf18("6","6","8","6","1","7","1") = "7"
    & skf18("6","6","8","6","1","8","1") = "7"
    & skf18("6","6","8","6","1","9","1") = "8"
    & skf18("6","6","8","6","1","10","1") = "9"
    & skf18("6","6","8","6","2","1","1") = "7"
    & skf18("6","6","8","6","2","2","1") = "7"
    & skf18("6","6","8","6","2","3","1") = "7"
    & skf18("6","6","8","6","2","4","1") = "7"
    & skf18("6","6","8","6","2","5","1") = "7"
    & skf18("6","6","8","6","2","6","1") = "7"
    & skf18("6","6","8","6","2","7","1") = "7"
    & skf18("6","6","8","6","2","8","1") = "7"
    & skf18("6","6","8","6","2","9","1") = "8"
    & skf18("6","6","8","6","2","10","1") = "9"
    & skf18("6","6","8","6","3","1","1") = "7"
    & skf18("6","6","8","6","3","2","1") = "7"
    & skf18("6","6","8","6","3","3","1") = "7"
    & skf18("6","6","8","6","3","4","1") = "7"
    & skf18("6","6","8","6","3","5","1") = "7"
    & skf18("6","6","8","6","3","6","1") = "7"
    & skf18("6","6","8","6","3","7","1") = "7"
    & skf18("6","6","8","6","3","8","1") = "7"
    & skf18("6","6","8","6","3","9","1") = "8"
    & skf18("6","6","8","6","3","10","1") = "9"
    & skf18("6","6","8","6","4","1","1") = "7"
    & skf18("6","6","8","6","4","2","1") = "7"
    & skf18("6","6","8","6","4","3","1") = "7"
    & skf18("6","6","8","6","4","4","1") = "7"
    & skf18("6","6","8","6","4","5","1") = "7"
    & skf18("6","6","8","6","4","6","1") = "7"
    & skf18("6","6","8","6","4","7","1") = "7"
    & skf18("6","6","8","6","4","8","1") = "7"
    & skf18("6","6","8","6","4","9","1") = "8"
    & skf18("6","6","8","6","4","10","1") = "9"
    & skf18("6","6","8","6","5","1","1") = "7"
    & skf18("6","6","8","6","5","2","1") = "7"
    & skf18("6","6","8","6","5","3","1") = "7"
    & skf18("6","6","8","6","5","4","1") = "7"
    & skf18("6","6","8","6","5","5","1") = "7"
    & skf18("6","6","8","6","5","6","1") = "7"
    & skf18("6","6","8","6","5","7","1") = "7"
    & skf18("6","6","8","6","5","8","1") = "7"
    & skf18("6","6","8","6","5","9","1") = "8"
    & skf18("6","6","8","6","5","10","1") = "9"
    & skf18("6","6","8","6","6","1","1") = "7"
    & skf18("6","6","8","6","6","2","1") = "7"
    & skf18("6","6","8","6","6","3","1") = "7"
    & skf18("6","6","8","6","6","4","1") = "7"
    & skf18("6","6","8","6","6","5","1") = "7"
    & skf18("6","6","8","6","6","6","1") = "7"
    & skf18("6","6","8","6","6","7","1") = "7"
    & skf18("6","6","8","6","6","8","1") = "7"
    & skf18("6","6","8","6","6","9","1") = "8"
    & skf18("6","6","8","6","6","10","1") = "9"
    & skf18("6","6","8","6","7","1","1") = "7"
    & skf18("6","6","8","6","7","2","1") = "7"
    & skf18("6","6","8","6","7","3","1") = "7"
    & skf18("6","6","8","6","7","4","1") = "7"
    & skf18("6","6","8","6","7","5","1") = "7"
    & skf18("6","6","8","6","7","6","1") = "7"
    & skf18("6","6","8","6","7","7","1") = "7"
    & skf18("6","6","8","6","7","8","1") = "7"
    & skf18("6","6","8","6","7","9","1") = "8"
    & skf18("6","6","8","6","7","10","1") = "9"
    & skf18("6","6","8","6","8","1","1") = "7"
    & skf18("6","6","8","6","8","2","1") = "7"
    & skf18("6","6","8","6","8","3","1") = "7"
    & skf18("6","6","8","6","8","4","1") = "7"
    & skf18("6","6","8","6","8","5","1") = "7"
    & skf18("6","6","8","6","8","6","1") = "7"
    & skf18("6","6","8","6","8","7","1") = "7"
    & skf18("6","6","8","6","8","8","1") = "7"
    & skf18("6","6","8","6","8","9","1") = "8"
    & skf18("6","6","8","6","8","10","1") = "9"
    & skf18("6","6","8","6","9","1","1") = "8"
    & skf18("6","6","8","6","9","2","1") = "8"
    & skf18("6","6","8","6","9","3","1") = "8"
    & skf18("6","6","8","6","9","4","1") = "8"
    & skf18("6","6","8","6","9","5","1") = "8"
    & skf18("6","6","8","6","9","6","1") = "8"
    & skf18("6","6","8","6","9","7","1") = "8"
    & skf18("6","6","8","6","9","8","1") = "8"
    & skf18("6","6","8","6","9","9","1") = "8"
    & skf18("6","6","8","6","9","10","1") = "9"
    & skf18("6","6","8","6","10","1","1") = "9"
    & skf18("6","6","8","6","10","2","1") = "9"
    & skf18("6","6","8","6","10","3","1") = "9"
    & skf18("6","6","8","6","10","4","1") = "9"
    & skf18("6","6","8","6","10","5","1") = "9"
    & skf18("6","6","8","6","10","6","1") = "9"
    & skf18("6","6","8","6","10","7","1") = "9"
    & skf18("6","6","8","6","10","8","1") = "9"
    & skf18("6","6","8","6","10","9","1") = "9"
    & skf18("6","6","8","6","10","10","1") = "9"
    & skf18("6","6","8","7","1","1","1") = "7"
    & skf18("6","6","8","7","1","2","1") = "7"
    & skf18("6","6","8","7","1","3","1") = "7"
    & skf18("6","6","8","7","1","4","1") = "7"
    & skf18("6","6","8","7","1","5","1") = "7"
    & skf18("6","6","8","7","1","6","1") = "7"
    & skf18("6","6","8","7","1","7","1") = "7"
    & skf18("6","6","8","7","1","8","1") = "7"
    & skf18("6","6","8","7","1","9","1") = "8"
    & skf18("6","6","8","7","1","10","1") = "9"
    & skf18("6","6","8","7","2","1","1") = "7"
    & skf18("6","6","8","7","2","2","1") = "7"
    & skf18("6","6","8","7","2","3","1") = "7"
    & skf18("6","6","8","7","2","4","1") = "7"
    & skf18("6","6","8","7","2","5","1") = "7"
    & skf18("6","6","8","7","2","6","1") = "7"
    & skf18("6","6","8","7","2","7","1") = "7"
    & skf18("6","6","8","7","2","8","1") = "7"
    & skf18("6","6","8","7","2","9","1") = "8"
    & skf18("6","6","8","7","2","10","1") = "9"
    & skf18("6","6","8","7","3","1","1") = "7"
    & skf18("6","6","8","7","3","2","1") = "7"
    & skf18("6","6","8","7","3","3","1") = "7"
    & skf18("6","6","8","7","3","4","1") = "7"
    & skf18("6","6","8","7","3","5","1") = "7"
    & skf18("6","6","8","7","3","6","1") = "7"
    & skf18("6","6","8","7","3","7","1") = "7"
    & skf18("6","6","8","7","3","8","1") = "7"
    & skf18("6","6","8","7","3","9","1") = "8"
    & skf18("6","6","8","7","3","10","1") = "9"
    & skf18("6","6","8","7","4","1","1") = "7"
    & skf18("6","6","8","7","4","2","1") = "7"
    & skf18("6","6","8","7","4","3","1") = "7"
    & skf18("6","6","8","7","4","4","1") = "7"
    & skf18("6","6","8","7","4","5","1") = "7"
    & skf18("6","6","8","7","4","6","1") = "7"
    & skf18("6","6","8","7","4","7","1") = "7"
    & skf18("6","6","8","7","4","8","1") = "7"
    & skf18("6","6","8","7","4","9","1") = "8"
    & skf18("6","6","8","7","4","10","1") = "9"
    & skf18("6","6","8","7","5","1","1") = "7"
    & skf18("6","6","8","7","5","2","1") = "7"
    & skf18("6","6","8","7","5","3","1") = "7"
    & skf18("6","6","8","7","5","4","1") = "7"
    & skf18("6","6","8","7","5","5","1") = "7"
    & skf18("6","6","8","7","5","6","1") = "7"
    & skf18("6","6","8","7","5","7","1") = "7"
    & skf18("6","6","8","7","5","8","1") = "7"
    & skf18("6","6","8","7","5","9","1") = "8"
    & skf18("6","6","8","7","5","10","1") = "9"
    & skf18("6","6","8","7","6","1","1") = "7"
    & skf18("6","6","8","7","6","2","1") = "7"
    & skf18("6","6","8","7","6","3","1") = "7"
    & skf18("6","6","8","7","6","4","1") = "7"
    & skf18("6","6","8","7","6","5","1") = "7"
    & skf18("6","6","8","7","6","6","1") = "7"
    & skf18("6","6","8","7","6","7","1") = "7"
    & skf18("6","6","8","7","6","8","1") = "7"
    & skf18("6","6","8","7","6","9","1") = "8"
    & skf18("6","6","8","7","6","10","1") = "9"
    & skf18("6","6","8","7","7","1","1") = "7"
    & skf18("6","6","8","7","7","2","1") = "7"
    & skf18("6","6","8","7","7","3","1") = "7"
    & skf18("6","6","8","7","7","4","1") = "7"
    & skf18("6","6","8","7","7","5","1") = "7"
    & skf18("6","6","8","7","7","6","1") = "7"
    & skf18("6","6","8","7","7","7","1") = "7"
    & skf18("6","6","8","7","7","8","1") = "7"
    & skf18("6","6","8","7","7","9","1") = "8"
    & skf18("6","6","8","7","7","10","1") = "9"
    & skf18("6","6","8","7","8","1","1") = "7"
    & skf18("6","6","8","7","8","2","1") = "7"
    & skf18("6","6","8","7","8","3","1") = "7"
    & skf18("6","6","8","7","8","4","1") = "7"
    & skf18("6","6","8","7","8","5","1") = "7"
    & skf18("6","6","8","7","8","6","1") = "7"
    & skf18("6","6","8","7","8","7","1") = "7"
    & skf18("6","6","8","7","8","8","1") = "7"
    & skf18("6","6","8","7","8","9","1") = "8"
    & skf18("6","6","8","7","8","10","1") = "9"
    & skf18("6","6","8","7","9","1","1") = "8"
    & skf18("6","6","8","7","9","2","1") = "8"
    & skf18("6","6","8","7","9","3","1") = "8"
    & skf18("6","6","8","7","9","4","1") = "8"
    & skf18("6","6","8","7","9","5","1") = "8"
    & skf18("6","6","8","7","9","6","1") = "8"
    & skf18("6","6","8","7","9","7","1") = "8"
    & skf18("6","6","8","7","9","8","1") = "8"
    & skf18("6","6","8","7","9","9","1") = "8"
    & skf18("6","6","8","7","9","10","1") = "9"
    & skf18("6","6","8","7","10","1","1") = "9"
    & skf18("6","6","8","7","10","2","1") = "9"
    & skf18("6","6","8","7","10","3","1") = "9"
    & skf18("6","6","8","7","10","4","1") = "9"
    & skf18("6","6","8","7","10","5","1") = "9"
    & skf18("6","6","8","7","10","6","1") = "9"
    & skf18("6","6","8","7","10","7","1") = "9"
    & skf18("6","6","8","7","10","8","1") = "9"
    & skf18("6","6","8","7","10","9","1") = "9"
    & skf18("6","6","8","7","10","10","1") = "9"
    & skf18("6","6","8","8","1","1","1") = "7"
    & skf18("6","6","8","8","1","2","1") = "7"
    & skf18("6","6","8","8","1","3","1") = "7"
    & skf18("6","6","8","8","1","4","1") = "7"
    & skf18("6","6","8","8","1","5","1") = "7"
    & skf18("6","6","8","8","1","6","1") = "7"
    & skf18("6","6","8","8","1","7","1") = "7"
    & skf18("6","6","8","8","1","8","1") = "7"
    & skf18("6","6","8","8","1","9","1") = "8"
    & skf18("6","6","8","8","1","10","1") = "9"
    & skf18("6","6","8","8","2","1","1") = "7"
    & skf18("6","6","8","8","2","2","1") = "7"
    & skf18("6","6","8","8","2","3","1") = "7"
    & skf18("6","6","8","8","2","4","1") = "7"
    & skf18("6","6","8","8","2","5","1") = "7"
    & skf18("6","6","8","8","2","6","1") = "7"
    & skf18("6","6","8","8","2","7","1") = "7"
    & skf18("6","6","8","8","2","8","1") = "7"
    & skf18("6","6","8","8","2","9","1") = "8"
    & skf18("6","6","8","8","2","10","1") = "9"
    & skf18("6","6","8","8","3","1","1") = "7"
    & skf18("6","6","8","8","3","2","1") = "7"
    & skf18("6","6","8","8","3","3","1") = "7"
    & skf18("6","6","8","8","3","4","1") = "7"
    & skf18("6","6","8","8","3","5","1") = "7"
    & skf18("6","6","8","8","3","6","1") = "7"
    & skf18("6","6","8","8","3","7","1") = "7"
    & skf18("6","6","8","8","3","8","1") = "7"
    & skf18("6","6","8","8","3","9","1") = "8"
    & skf18("6","6","8","8","3","10","1") = "9"
    & skf18("6","6","8","8","4","1","1") = "7"
    & skf18("6","6","8","8","4","2","1") = "7"
    & skf18("6","6","8","8","4","3","1") = "7"
    & skf18("6","6","8","8","4","4","1") = "7"
    & skf18("6","6","8","8","4","5","1") = "7"
    & skf18("6","6","8","8","4","6","1") = "7"
    & skf18("6","6","8","8","4","7","1") = "7"
    & skf18("6","6","8","8","4","8","1") = "7"
    & skf18("6","6","8","8","4","9","1") = "8"
    & skf18("6","6","8","8","4","10","1") = "9"
    & skf18("6","6","8","8","5","1","1") = "7"
    & skf18("6","6","8","8","5","2","1") = "7"
    & skf18("6","6","8","8","5","3","1") = "7"
    & skf18("6","6","8","8","5","4","1") = "7"
    & skf18("6","6","8","8","5","5","1") = "7"
    & skf18("6","6","8","8","5","6","1") = "7"
    & skf18("6","6","8","8","5","7","1") = "7"
    & skf18("6","6","8","8","5","8","1") = "7"
    & skf18("6","6","8","8","5","9","1") = "8"
    & skf18("6","6","8","8","5","10","1") = "9"
    & skf18("6","6","8","8","6","1","1") = "7"
    & skf18("6","6","8","8","6","2","1") = "7"
    & skf18("6","6","8","8","6","3","1") = "7"
    & skf18("6","6","8","8","6","4","1") = "7"
    & skf18("6","6","8","8","6","5","1") = "7"
    & skf18("6","6","8","8","6","6","1") = "7"
    & skf18("6","6","8","8","6","7","1") = "7"
    & skf18("6","6","8","8","6","8","1") = "7"
    & skf18("6","6","8","8","6","9","1") = "8"
    & skf18("6","6","8","8","6","10","1") = "9"
    & skf18("6","6","8","8","7","1","1") = "7"
    & skf18("6","6","8","8","7","2","1") = "7"
    & skf18("6","6","8","8","7","3","1") = "7"
    & skf18("6","6","8","8","7","4","1") = "7"
    & skf18("6","6","8","8","7","5","1") = "7"
    & skf18("6","6","8","8","7","6","1") = "7"
    & skf18("6","6","8","8","7","7","1") = "7"
    & skf18("6","6","8","8","7","8","1") = "7"
    & skf18("6","6","8","8","7","9","1") = "8"
    & skf18("6","6","8","8","7","10","1") = "9"
    & skf18("6","6","8","8","8","1","1") = "7"
    & skf18("6","6","8","8","8","2","1") = "7"
    & skf18("6","6","8","8","8","3","1") = "7"
    & skf18("6","6","8","8","8","4","1") = "7"
    & skf18("6","6","8","8","8","5","1") = "7"
    & skf18("6","6","8","8","8","6","1") = "7"
    & skf18("6","6","8","8","8","7","1") = "7"
    & skf18("6","6","8","8","8","8","1") = "7"
    & skf18("6","6","8","8","8","9","1") = "8"
    & skf18("6","6","8","8","8","10","1") = "9"
    & skf18("6","6","8","8","9","1","1") = "8"
    & skf18("6","6","8","8","9","2","1") = "8"
    & skf18("6","6","8","8","9","3","1") = "8"
    & skf18("6","6","8","8","9","4","1") = "8"
    & skf18("6","6","8","8","9","5","1") = "8"
    & skf18("6","6","8","8","9","6","1") = "8"
    & skf18("6","6","8","8","9","7","1") = "8"
    & skf18("6","6","8","8","9","8","1") = "8"
    & skf18("6","6","8","8","9","9","1") = "8"
    & skf18("6","6","8","8","9","10","1") = "9"
    & skf18("6","6","8","8","10","1","1") = "9"
    & skf18("6","6","8","8","10","2","1") = "9"
    & skf18("6","6","8","8","10","3","1") = "9"
    & skf18("6","6","8","8","10","4","1") = "9"
    & skf18("6","6","8","8","10","5","1") = "9"
    & skf18("6","6","8","8","10","6","1") = "9"
    & skf18("6","6","8","8","10","7","1") = "9"
    & skf18("6","6","8","8","10","8","1") = "9"
    & skf18("6","6","8","8","10","9","1") = "9"
    & skf18("6","6","8","8","10","10","1") = "9"
    & skf18("6","6","8","9","1","1","1") = "8"
    & skf18("6","6","8","9","1","2","1") = "8"
    & skf18("6","6","8","9","1","3","1") = "8"
    & skf18("6","6","8","9","1","4","1") = "8"
    & skf18("6","6","8","9","1","5","1") = "8"
    & skf18("6","6","8","9","1","6","1") = "8"
    & skf18("6","6","8","9","1","7","1") = "8"
    & skf18("6","6","8","9","1","8","1") = "8"
    & skf18("6","6","8","9","1","9","1") = "8"
    & skf18("6","6","8","9","1","10","1") = "9"
    & skf18("6","6","8","9","2","1","1") = "8"
    & skf18("6","6","8","9","2","2","1") = "8"
    & skf18("6","6","8","9","2","3","1") = "8"
    & skf18("6","6","8","9","2","4","1") = "8"
    & skf18("6","6","8","9","2","5","1") = "8"
    & skf18("6","6","8","9","2","6","1") = "8"
    & skf18("6","6","8","9","2","7","1") = "8"
    & skf18("6","6","8","9","2","8","1") = "8"
    & skf18("6","6","8","9","2","9","1") = "8"
    & skf18("6","6","8","9","2","10","1") = "9"
    & skf18("6","6","8","9","3","1","1") = "8"
    & skf18("6","6","8","9","3","2","1") = "8"
    & skf18("6","6","8","9","3","3","1") = "8"
    & skf18("6","6","8","9","3","4","1") = "8"
    & skf18("6","6","8","9","3","5","1") = "8"
    & skf18("6","6","8","9","3","6","1") = "8"
    & skf18("6","6","8","9","3","7","1") = "8"
    & skf18("6","6","8","9","3","8","1") = "8"
    & skf18("6","6","8","9","3","9","1") = "8"
    & skf18("6","6","8","9","3","10","1") = "9"
    & skf18("6","6","8","9","4","1","1") = "8"
    & skf18("6","6","8","9","4","2","1") = "8"
    & skf18("6","6","8","9","4","3","1") = "8"
    & skf18("6","6","8","9","4","4","1") = "8"
    & skf18("6","6","8","9","4","5","1") = "8"
    & skf18("6","6","8","9","4","6","1") = "8"
    & skf18("6","6","8","9","4","7","1") = "8"
    & skf18("6","6","8","9","4","8","1") = "8"
    & skf18("6","6","8","9","4","9","1") = "8"
    & skf18("6","6","8","9","4","10","1") = "9"
    & skf18("6","6","8","9","5","1","1") = "8"
    & skf18("6","6","8","9","5","2","1") = "8"
    & skf18("6","6","8","9","5","3","1") = "8"
    & skf18("6","6","8","9","5","4","1") = "8"
    & skf18("6","6","8","9","5","5","1") = "8"
    & skf18("6","6","8","9","5","6","1") = "8"
    & skf18("6","6","8","9","5","7","1") = "8"
    & skf18("6","6","8","9","5","8","1") = "8"
    & skf18("6","6","8","9","5","9","1") = "8"
    & skf18("6","6","8","9","5","10","1") = "9"
    & skf18("6","6","8","9","6","1","1") = "8"
    & skf18("6","6","8","9","6","2","1") = "8"
    & skf18("6","6","8","9","6","3","1") = "8"
    & skf18("6","6","8","9","6","4","1") = "8"
    & skf18("6","6","8","9","6","5","1") = "8"
    & skf18("6","6","8","9","6","6","1") = "8"
    & skf18("6","6","8","9","6","7","1") = "8"
    & skf18("6","6","8","9","6","8","1") = "8"
    & skf18("6","6","8","9","6","9","1") = "8"
    & skf18("6","6","8","9","6","10","1") = "9"
    & skf18("6","6","8","9","7","1","1") = "8"
    & skf18("6","6","8","9","7","2","1") = "8"
    & skf18("6","6","8","9","7","3","1") = "8"
    & skf18("6","6","8","9","7","4","1") = "8"
    & skf18("6","6","8","9","7","5","1") = "8"
    & skf18("6","6","8","9","7","6","1") = "8"
    & skf18("6","6","8","9","7","7","1") = "8"
    & skf18("6","6","8","9","7","8","1") = "8"
    & skf18("6","6","8","9","7","9","1") = "8"
    & skf18("6","6","8","9","7","10","1") = "9"
    & skf18("6","6","8","9","8","1","1") = "8"
    & skf18("6","6","8","9","8","2","1") = "8"
    & skf18("6","6","8","9","8","3","1") = "8"
    & skf18("6","6","8","9","8","4","1") = "8"
    & skf18("6","6","8","9","8","5","1") = "8"
    & skf18("6","6","8","9","8","6","1") = "8"
    & skf18("6","6","8","9","8","7","1") = "8"
    & skf18("6","6","8","9","8","8","1") = "8"
    & skf18("6","6","8","9","8","9","1") = "8"
    & skf18("6","6","8","9","8","10","1") = "9"
    & skf18("6","6","8","9","9","1","1") = "8"
    & skf18("6","6","8","9","9","2","1") = "8"
    & skf18("6","6","8","9","9","3","1") = "8"
    & skf18("6","6","8","9","9","4","1") = "8"
    & skf18("6","6","8","9","9","5","1") = "8"
    & skf18("6","6","8","9","9","6","1") = "8"
    & skf18("6","6","8","9","9","7","1") = "8"
    & skf18("6","6","8","9","9","8","1") = "8"
    & skf18("6","6","8","9","9","9","1") = "8"
    & skf18("6","6","8","9","9","10","1") = "9"
    & skf18("6","6","8","9","10","1","1") = "9"
    & skf18("6","6","8","9","10","2","1") = "9"
    & skf18("6","6","8","9","10","3","1") = "9"
    & skf18("6","6","8","9","10","4","1") = "9"
    & skf18("6","6","8","9","10","5","1") = "9"
    & skf18("6","6","8","9","10","6","1") = "9"
    & skf18("6","6","8","9","10","7","1") = "9"
    & skf18("6","6","8","9","10","8","1") = "9"
    & skf18("6","6","8","9","10","9","1") = "9"
    & skf18("6","6","8","9","10","10","1") = "9"
    & skf18("6","6","8","10","1","1","1") = "9"
    & skf18("6","6","8","10","1","2","1") = "9"
    & skf18("6","6","8","10","1","3","1") = "9"
    & skf18("6","6","8","10","1","4","1") = "9"
    & skf18("6","6","8","10","1","5","1") = "9"
    & skf18("6","6","8","10","1","6","1") = "9"
    & skf18("6","6","8","10","1","7","1") = "9"
    & skf18("6","6","8","10","1","8","1") = "9"
    & skf18("6","6","8","10","1","9","1") = "9"
    & skf18("6","6","8","10","1","10","1") = "9"
    & skf18("6","6","8","10","2","1","1") = "9"
    & skf18("6","6","8","10","2","2","1") = "9"
    & skf18("6","6","8","10","2","3","1") = "9"
    & skf18("6","6","8","10","2","4","1") = "9"
    & skf18("6","6","8","10","2","5","1") = "9"
    & skf18("6","6","8","10","2","6","1") = "9"
    & skf18("6","6","8","10","2","7","1") = "9"
    & skf18("6","6","8","10","2","8","1") = "9"
    & skf18("6","6","8","10","2","9","1") = "9"
    & skf18("6","6","8","10","2","10","1") = "9"
    & skf18("6","6","8","10","3","1","1") = "9"
    & skf18("6","6","8","10","3","2","1") = "9"
    & skf18("6","6","8","10","3","3","1") = "9"
    & skf18("6","6","8","10","3","4","1") = "9"
    & skf18("6","6","8","10","3","5","1") = "9"
    & skf18("6","6","8","10","3","6","1") = "9"
    & skf18("6","6","8","10","3","7","1") = "9"
    & skf18("6","6","8","10","3","8","1") = "9"
    & skf18("6","6","8","10","3","9","1") = "9"
    & skf18("6","6","8","10","3","10","1") = "9"
    & skf18("6","6","8","10","4","1","1") = "9"
    & skf18("6","6","8","10","4","2","1") = "9"
    & skf18("6","6","8","10","4","3","1") = "9"
    & skf18("6","6","8","10","4","4","1") = "9"
    & skf18("6","6","8","10","4","5","1") = "9"
    & skf18("6","6","8","10","4","6","1") = "9"
    & skf18("6","6","8","10","4","7","1") = "9"
    & skf18("6","6","8","10","4","8","1") = "9"
    & skf18("6","6","8","10","4","9","1") = "9"
    & skf18("6","6","8","10","4","10","1") = "9"
    & skf18("6","6","8","10","5","1","1") = "9"
    & skf18("6","6","8","10","5","2","1") = "9"
    & skf18("6","6","8","10","5","3","1") = "9"
    & skf18("6","6","8","10","5","4","1") = "9"
    & skf18("6","6","8","10","5","5","1") = "9"
    & skf18("6","6","8","10","5","6","1") = "9"
    & skf18("6","6","8","10","5","7","1") = "9"
    & skf18("6","6","8","10","5","8","1") = "9"
    & skf18("6","6","8","10","5","9","1") = "9"
    & skf18("6","6","8","10","5","10","1") = "9"
    & skf18("6","6","8","10","6","1","1") = "9"
    & skf18("6","6","8","10","6","2","1") = "9"
    & skf18("6","6","8","10","6","3","1") = "9"
    & skf18("6","6","8","10","6","4","1") = "9"
    & skf18("6","6","8","10","6","5","1") = "9"
    & skf18("6","6","8","10","6","6","1") = "9"
    & skf18("6","6","8","10","6","7","1") = "9"
    & skf18("6","6","8","10","6","8","1") = "9"
    & skf18("6","6","8","10","6","9","1") = "9"
    & skf18("6","6","8","10","6","10","1") = "9"
    & skf18("6","6","8","10","7","1","1") = "9"
    & skf18("6","6","8","10","7","2","1") = "9"
    & skf18("6","6","8","10","7","3","1") = "9"
    & skf18("6","6","8","10","7","4","1") = "9"
    & skf18("6","6","8","10","7","5","1") = "9"
    & skf18("6","6","8","10","7","6","1") = "9"
    & skf18("6","6","8","10","7","7","1") = "9"
    & skf18("6","6","8","10","7","8","1") = "9"
    & skf18("6","6","8","10","7","9","1") = "9"
    & skf18("6","6","8","10","7","10","1") = "9"
    & skf18("6","6","8","10","8","1","1") = "9"
    & skf18("6","6","8","10","8","2","1") = "9"
    & skf18("6","6","8","10","8","3","1") = "9"
    & skf18("6","6","8","10","8","4","1") = "9"
    & skf18("6","6","8","10","8","5","1") = "9"
    & skf18("6","6","8","10","8","6","1") = "9"
    & skf18("6","6","8","10","8","7","1") = "9"
    & skf18("6","6","8","10","8","8","1") = "9"
    & skf18("6","6","8","10","8","9","1") = "9"
    & skf18("6","6","8","10","8","10","1") = "9"
    & skf18("6","6","8","10","9","1","1") = "9"
    & skf18("6","6","8","10","9","2","1") = "9"
    & skf18("6","6","8","10","9","3","1") = "9"
    & skf18("6","6","8","10","9","4","1") = "9"
    & skf18("6","6","8","10","9","5","1") = "9"
    & skf18("6","6","8","10","9","6","1") = "9"
    & skf18("6","6","8","10","9","7","1") = "9"
    & skf18("6","6","8","10","9","8","1") = "9"
    & skf18("6","6","8","10","9","9","1") = "9"
    & skf18("6","6","8","10","9","10","1") = "9"
    & skf18("6","6","8","10","10","1","1") = "9"
    & skf18("6","6","8","10","10","2","1") = "9"
    & skf18("6","6","8","10","10","3","1") = "9"
    & skf18("6","6","8","10","10","4","1") = "9"
    & skf18("6","6","8","10","10","5","1") = "9"
    & skf18("6","6","8","10","10","6","1") = "9"
    & skf18("6","6","8","10","10","7","1") = "9"
    & skf18("6","6","8","10","10","8","1") = "9"
    & skf18("6","6","8","10","10","9","1") = "9"
    & skf18("6","6","8","10","10","10","1") = "9"
    & skf18("6","6","9","1","1","1","1") = "8"
    & skf18("6","6","9","1","1","2","1") = "8"
    & skf18("6","6","9","1","1","3","1") = "8"
    & skf18("6","6","9","1","1","4","1") = "8"
    & skf18("6","6","9","1","1","5","1") = "8"
    & skf18("6","6","9","1","1","6","1") = "8"
    & skf18("6","6","9","1","1","7","1") = "8"
    & skf18("6","6","9","1","1","8","1") = "8"
    & skf18("6","6","9","1","1","9","1") = "8"
    & skf18("6","6","9","1","1","10","1") = "9"
    & skf18("6","6","9","1","2","1","1") = "8"
    & skf18("6","6","9","1","2","2","1") = "8"
    & skf18("6","6","9","1","2","3","1") = "8"
    & skf18("6","6","9","1","2","4","1") = "8"
    & skf18("6","6","9","1","2","5","1") = "8"
    & skf18("6","6","9","1","2","6","1") = "8"
    & skf18("6","6","9","1","2","7","1") = "8"
    & skf18("6","6","9","1","2","8","1") = "8"
    & skf18("6","6","9","1","2","9","1") = "8"
    & skf18("6","6","9","1","2","10","1") = "9"
    & skf18("6","6","9","1","3","1","1") = "8"
    & skf18("6","6","9","1","3","2","1") = "8"
    & skf18("6","6","9","1","3","3","1") = "8"
    & skf18("6","6","9","1","3","4","1") = "8"
    & skf18("6","6","9","1","3","5","1") = "8"
    & skf18("6","6","9","1","3","6","1") = "8"
    & skf18("6","6","9","1","3","7","1") = "8"
    & skf18("6","6","9","1","3","8","1") = "8"
    & skf18("6","6","9","1","3","9","1") = "8"
    & skf18("6","6","9","1","3","10","1") = "9"
    & skf18("6","6","9","1","4","1","1") = "8"
    & skf18("6","6","9","1","4","2","1") = "8"
    & skf18("6","6","9","1","4","3","1") = "8"
    & skf18("6","6","9","1","4","4","1") = "8"
    & skf18("6","6","9","1","4","5","1") = "8"
    & skf18("6","6","9","1","4","6","1") = "8"
    & skf18("6","6","9","1","4","7","1") = "8"
    & skf18("6","6","9","1","4","8","1") = "8"
    & skf18("6","6","9","1","4","9","1") = "8"
    & skf18("6","6","9","1","4","10","1") = "9"
    & skf18("6","6","9","1","5","1","1") = "8"
    & skf18("6","6","9","1","5","2","1") = "8"
    & skf18("6","6","9","1","5","3","1") = "8"
    & skf18("6","6","9","1","5","4","1") = "8"
    & skf18("6","6","9","1","5","5","1") = "8"
    & skf18("6","6","9","1","5","6","1") = "8"
    & skf18("6","6","9","1","5","7","1") = "8"
    & skf18("6","6","9","1","5","8","1") = "8"
    & skf18("6","6","9","1","5","9","1") = "8"
    & skf18("6","6","9","1","5","10","1") = "9"
    & skf18("6","6","9","1","6","1","1") = "8"
    & skf18("6","6","9","1","6","2","1") = "8"
    & skf18("6","6","9","1","6","3","1") = "8"
    & skf18("6","6","9","1","6","4","1") = "8"
    & skf18("6","6","9","1","6","5","1") = "8"
    & skf18("6","6","9","1","6","6","1") = "8"
    & skf18("6","6","9","1","6","7","1") = "8"
    & skf18("6","6","9","1","6","8","1") = "8"
    & skf18("6","6","9","1","6","9","1") = "8"
    & skf18("6","6","9","1","6","10","1") = "9"
    & skf18("6","6","9","1","7","1","1") = "8"
    & skf18("6","6","9","1","7","2","1") = "8"
    & skf18("6","6","9","1","7","3","1") = "8"
    & skf18("6","6","9","1","7","4","1") = "8"
    & skf18("6","6","9","1","7","5","1") = "8"
    & skf18("6","6","9","1","7","6","1") = "8"
    & skf18("6","6","9","1","7","7","1") = "8"
    & skf18("6","6","9","1","7","8","1") = "8"
    & skf18("6","6","9","1","7","9","1") = "8"
    & skf18("6","6","9","1","7","10","1") = "9"
    & skf18("6","6","9","1","8","1","1") = "8"
    & skf18("6","6","9","1","8","2","1") = "8"
    & skf18("6","6","9","1","8","3","1") = "8"
    & skf18("6","6","9","1","8","4","1") = "8"
    & skf18("6","6","9","1","8","5","1") = "8"
    & skf18("6","6","9","1","8","6","1") = "8"
    & skf18("6","6","9","1","8","7","1") = "8"
    & skf18("6","6","9","1","8","8","1") = "8"
    & skf18("6","6","9","1","8","9","1") = "8"
    & skf18("6","6","9","1","8","10","1") = "9"
    & skf18("6","6","9","1","9","1","1") = "8"
    & skf18("6","6","9","1","9","2","1") = "8"
    & skf18("6","6","9","1","9","3","1") = "8"
    & skf18("6","6","9","1","9","4","1") = "8"
    & skf18("6","6","9","1","9","5","1") = "8"
    & skf18("6","6","9","1","9","6","1") = "8"
    & skf18("6","6","9","1","9","7","1") = "8"
    & skf18("6","6","9","1","9","8","1") = "8"
    & skf18("6","6","9","1","9","9","1") = "8"
    & skf18("6","6","9","1","9","10","1") = "9"
    & skf18("6","6","9","1","10","1","1") = "9"
    & skf18("6","6","9","1","10","2","1") = "9"
    & skf18("6","6","9","1","10","3","1") = "9"
    & skf18("6","6","9","1","10","4","1") = "9"
    & skf18("6","6","9","1","10","5","1") = "9"
    & skf18("6","6","9","1","10","6","1") = "9"
    & skf18("6","6","9","1","10","7","1") = "9"
    & skf18("6","6","9","1","10","8","1") = "9"
    & skf18("6","6","9","1","10","9","1") = "9"
    & skf18("6","6","9","1","10","10","1") = "9"
    & skf18("6","6","9","2","1","1","1") = "8"
    & skf18("6","6","9","2","1","2","1") = "8"
    & skf18("6","6","9","2","1","3","1") = "8"
    & skf18("6","6","9","2","1","4","1") = "8"
    & skf18("6","6","9","2","1","5","1") = "8"
    & skf18("6","6","9","2","1","6","1") = "8"
    & skf18("6","6","9","2","1","7","1") = "8"
    & skf18("6","6","9","2","1","8","1") = "8"
    & skf18("6","6","9","2","1","9","1") = "8"
    & skf18("6","6","9","2","1","10","1") = "9"
    & skf18("6","6","9","2","2","1","1") = "8"
    & skf18("6","6","9","2","2","2","1") = "8"
    & skf18("6","6","9","2","2","3","1") = "8"
    & skf18("6","6","9","2","2","4","1") = "8"
    & skf18("6","6","9","2","2","5","1") = "8"
    & skf18("6","6","9","2","2","6","1") = "8"
    & skf18("6","6","9","2","2","7","1") = "8"
    & skf18("6","6","9","2","2","8","1") = "8"
    & skf18("6","6","9","2","2","9","1") = "8"
    & skf18("6","6","9","2","2","10","1") = "9"
    & skf18("6","6","9","2","3","1","1") = "8"
    & skf18("6","6","9","2","3","2","1") = "8"
    & skf18("6","6","9","2","3","3","1") = "8"
    & skf18("6","6","9","2","3","4","1") = "8"
    & skf18("6","6","9","2","3","5","1") = "8"
    & skf18("6","6","9","2","3","6","1") = "8"
    & skf18("6","6","9","2","3","7","1") = "8"
    & skf18("6","6","9","2","3","8","1") = "8"
    & skf18("6","6","9","2","3","9","1") = "8"
    & skf18("6","6","9","2","3","10","1") = "9"
    & skf18("6","6","9","2","4","1","1") = "8"
    & skf18("6","6","9","2","4","2","1") = "8"
    & skf18("6","6","9","2","4","3","1") = "8"
    & skf18("6","6","9","2","4","4","1") = "8"
    & skf18("6","6","9","2","4","5","1") = "8"
    & skf18("6","6","9","2","4","6","1") = "8"
    & skf18("6","6","9","2","4","7","1") = "8"
    & skf18("6","6","9","2","4","8","1") = "8"
    & skf18("6","6","9","2","4","9","1") = "8"
    & skf18("6","6","9","2","4","10","1") = "9"
    & skf18("6","6","9","2","5","1","1") = "8"
    & skf18("6","6","9","2","5","2","1") = "8"
    & skf18("6","6","9","2","5","3","1") = "8"
    & skf18("6","6","9","2","5","4","1") = "8"
    & skf18("6","6","9","2","5","5","1") = "8"
    & skf18("6","6","9","2","5","6","1") = "8"
    & skf18("6","6","9","2","5","7","1") = "8"
    & skf18("6","6","9","2","5","8","1") = "8"
    & skf18("6","6","9","2","5","9","1") = "8"
    & skf18("6","6","9","2","5","10","1") = "9"
    & skf18("6","6","9","2","6","1","1") = "8"
    & skf18("6","6","9","2","6","2","1") = "8"
    & skf18("6","6","9","2","6","3","1") = "8"
    & skf18("6","6","9","2","6","4","1") = "8"
    & skf18("6","6","9","2","6","5","1") = "8"
    & skf18("6","6","9","2","6","6","1") = "8"
    & skf18("6","6","9","2","6","7","1") = "8"
    & skf18("6","6","9","2","6","8","1") = "8"
    & skf18("6","6","9","2","6","9","1") = "8"
    & skf18("6","6","9","2","6","10","1") = "9"
    & skf18("6","6","9","2","7","1","1") = "8"
    & skf18("6","6","9","2","7","2","1") = "8"
    & skf18("6","6","9","2","7","3","1") = "8"
    & skf18("6","6","9","2","7","4","1") = "8"
    & skf18("6","6","9","2","7","5","1") = "8"
    & skf18("6","6","9","2","7","6","1") = "8"
    & skf18("6","6","9","2","7","7","1") = "8"
    & skf18("6","6","9","2","7","8","1") = "8"
    & skf18("6","6","9","2","7","9","1") = "8"
    & skf18("6","6","9","2","7","10","1") = "9"
    & skf18("6","6","9","2","8","1","1") = "8"
    & skf18("6","6","9","2","8","2","1") = "8"
    & skf18("6","6","9","2","8","3","1") = "8"
    & skf18("6","6","9","2","8","4","1") = "8"
    & skf18("6","6","9","2","8","5","1") = "8"
    & skf18("6","6","9","2","8","6","1") = "8"
    & skf18("6","6","9","2","8","7","1") = "8"
    & skf18("6","6","9","2","8","8","1") = "8"
    & skf18("6","6","9","2","8","9","1") = "8"
    & skf18("6","6","9","2","8","10","1") = "9"
    & skf18("6","6","9","2","9","1","1") = "8"
    & skf18("6","6","9","2","9","2","1") = "8"
    & skf18("6","6","9","2","9","3","1") = "8"
    & skf18("6","6","9","2","9","4","1") = "8"
    & skf18("6","6","9","2","9","5","1") = "8"
    & skf18("6","6","9","2","9","6","1") = "8"
    & skf18("6","6","9","2","9","7","1") = "8"
    & skf18("6","6","9","2","9","8","1") = "8"
    & skf18("6","6","9","2","9","9","1") = "8"
    & skf18("6","6","9","2","9","10","1") = "9"
    & skf18("6","6","9","2","10","1","1") = "9"
    & skf18("6","6","9","2","10","2","1") = "9"
    & skf18("6","6","9","2","10","3","1") = "9"
    & skf18("6","6","9","2","10","4","1") = "9"
    & skf18("6","6","9","2","10","5","1") = "9"
    & skf18("6","6","9","2","10","6","1") = "9"
    & skf18("6","6","9","2","10","7","1") = "9"
    & skf18("6","6","9","2","10","8","1") = "9"
    & skf18("6","6","9","2","10","9","1") = "9"
    & skf18("6","6","9","2","10","10","1") = "9"
    & skf18("6","6","9","3","1","1","1") = "8"
    & skf18("6","6","9","3","1","2","1") = "8"
    & skf18("6","6","9","3","1","3","1") = "8"
    & skf18("6","6","9","3","1","4","1") = "8"
    & skf18("6","6","9","3","1","5","1") = "8"
    & skf18("6","6","9","3","1","6","1") = "8"
    & skf18("6","6","9","3","1","7","1") = "8"
    & skf18("6","6","9","3","1","8","1") = "8"
    & skf18("6","6","9","3","1","9","1") = "8"
    & skf18("6","6","9","3","1","10","1") = "9"
    & skf18("6","6","9","3","2","1","1") = "8"
    & skf18("6","6","9","3","2","2","1") = "8"
    & skf18("6","6","9","3","2","3","1") = "8"
    & skf18("6","6","9","3","2","4","1") = "8"
    & skf18("6","6","9","3","2","5","1") = "8"
    & skf18("6","6","9","3","2","6","1") = "8"
    & skf18("6","6","9","3","2","7","1") = "8"
    & skf18("6","6","9","3","2","8","1") = "8"
    & skf18("6","6","9","3","2","9","1") = "8"
    & skf18("6","6","9","3","2","10","1") = "9"
    & skf18("6","6","9","3","3","1","1") = "8"
    & skf18("6","6","9","3","3","2","1") = "8"
    & skf18("6","6","9","3","3","3","1") = "8"
    & skf18("6","6","9","3","3","4","1") = "8"
    & skf18("6","6","9","3","3","5","1") = "8"
    & skf18("6","6","9","3","3","6","1") = "8"
    & skf18("6","6","9","3","3","7","1") = "8"
    & skf18("6","6","9","3","3","8","1") = "8"
    & skf18("6","6","9","3","3","9","1") = "8"
    & skf18("6","6","9","3","3","10","1") = "9"
    & skf18("6","6","9","3","4","1","1") = "8"
    & skf18("6","6","9","3","4","2","1") = "8"
    & skf18("6","6","9","3","4","3","1") = "8"
    & skf18("6","6","9","3","4","4","1") = "8"
    & skf18("6","6","9","3","4","5","1") = "8"
    & skf18("6","6","9","3","4","6","1") = "8"
    & skf18("6","6","9","3","4","7","1") = "8"
    & skf18("6","6","9","3","4","8","1") = "8"
    & skf18("6","6","9","3","4","9","1") = "8"
    & skf18("6","6","9","3","4","10","1") = "9"
    & skf18("6","6","9","3","5","1","1") = "8"
    & skf18("6","6","9","3","5","2","1") = "8"
    & skf18("6","6","9","3","5","3","1") = "8"
    & skf18("6","6","9","3","5","4","1") = "8"
    & skf18("6","6","9","3","5","5","1") = "8"
    & skf18("6","6","9","3","5","6","1") = "8"
    & skf18("6","6","9","3","5","7","1") = "8"
    & skf18("6","6","9","3","5","8","1") = "8"
    & skf18("6","6","9","3","5","9","1") = "8"
    & skf18("6","6","9","3","5","10","1") = "9"
    & skf18("6","6","9","3","6","1","1") = "8"
    & skf18("6","6","9","3","6","2","1") = "8"
    & skf18("6","6","9","3","6","3","1") = "8"
    & skf18("6","6","9","3","6","4","1") = "8"
    & skf18("6","6","9","3","6","5","1") = "8"
    & skf18("6","6","9","3","6","6","1") = "8"
    & skf18("6","6","9","3","6","7","1") = "8"
    & skf18("6","6","9","3","6","8","1") = "8"
    & skf18("6","6","9","3","6","9","1") = "8"
    & skf18("6","6","9","3","6","10","1") = "9"
    & skf18("6","6","9","3","7","1","1") = "8"
    & skf18("6","6","9","3","7","2","1") = "8"
    & skf18("6","6","9","3","7","3","1") = "8"
    & skf18("6","6","9","3","7","4","1") = "8"
    & skf18("6","6","9","3","7","5","1") = "8"
    & skf18("6","6","9","3","7","6","1") = "8"
    & skf18("6","6","9","3","7","7","1") = "8"
    & skf18("6","6","9","3","7","8","1") = "8"
    & skf18("6","6","9","3","7","9","1") = "8"
    & skf18("6","6","9","3","7","10","1") = "9"
    & skf18("6","6","9","3","8","1","1") = "8"
    & skf18("6","6","9","3","8","2","1") = "8"
    & skf18("6","6","9","3","8","3","1") = "8"
    & skf18("6","6","9","3","8","4","1") = "8"
    & skf18("6","6","9","3","8","5","1") = "8"
    & skf18("6","6","9","3","8","6","1") = "8"
    & skf18("6","6","9","3","8","7","1") = "8"
    & skf18("6","6","9","3","8","8","1") = "8"
    & skf18("6","6","9","3","8","9","1") = "8"
    & skf18("6","6","9","3","8","10","1") = "9"
    & skf18("6","6","9","3","9","1","1") = "8"
    & skf18("6","6","9","3","9","2","1") = "8"
    & skf18("6","6","9","3","9","3","1") = "8"
    & skf18("6","6","9","3","9","4","1") = "8"
    & skf18("6","6","9","3","9","5","1") = "8"
    & skf18("6","6","9","3","9","6","1") = "8"
    & skf18("6","6","9","3","9","7","1") = "8"
    & skf18("6","6","9","3","9","8","1") = "8"
    & skf18("6","6","9","3","9","9","1") = "8"
    & skf18("6","6","9","3","9","10","1") = "9"
    & skf18("6","6","9","3","10","1","1") = "9"
    & skf18("6","6","9","3","10","2","1") = "9"
    & skf18("6","6","9","3","10","3","1") = "9"
    & skf18("6","6","9","3","10","4","1") = "9"
    & skf18("6","6","9","3","10","5","1") = "9"
    & skf18("6","6","9","3","10","6","1") = "9"
    & skf18("6","6","9","3","10","7","1") = "9"
    & skf18("6","6","9","3","10","8","1") = "9"
    & skf18("6","6","9","3","10","9","1") = "9"
    & skf18("6","6","9","3","10","10","1") = "9"
    & skf18("6","6","9","4","1","1","1") = "8"
    & skf18("6","6","9","4","1","2","1") = "8"
    & skf18("6","6","9","4","1","3","1") = "8"
    & skf18("6","6","9","4","1","4","1") = "8"
    & skf18("6","6","9","4","1","5","1") = "8"
    & skf18("6","6","9","4","1","6","1") = "8"
    & skf18("6","6","9","4","1","7","1") = "8"
    & skf18("6","6","9","4","1","8","1") = "8"
    & skf18("6","6","9","4","1","9","1") = "8"
    & skf18("6","6","9","4","1","10","1") = "9"
    & skf18("6","6","9","4","2","1","1") = "8"
    & skf18("6","6","9","4","2","2","1") = "8"
    & skf18("6","6","9","4","2","3","1") = "8"
    & skf18("6","6","9","4","2","4","1") = "8"
    & skf18("6","6","9","4","2","5","1") = "8"
    & skf18("6","6","9","4","2","6","1") = "8"
    & skf18("6","6","9","4","2","7","1") = "8"
    & skf18("6","6","9","4","2","8","1") = "8"
    & skf18("6","6","9","4","2","9","1") = "8"
    & skf18("6","6","9","4","2","10","1") = "9"
    & skf18("6","6","9","4","3","1","1") = "8"
    & skf18("6","6","9","4","3","2","1") = "8"
    & skf18("6","6","9","4","3","3","1") = "8"
    & skf18("6","6","9","4","3","4","1") = "8"
    & skf18("6","6","9","4","3","5","1") = "8"
    & skf18("6","6","9","4","3","6","1") = "8"
    & skf18("6","6","9","4","3","7","1") = "8"
    & skf18("6","6","9","4","3","8","1") = "8"
    & skf18("6","6","9","4","3","9","1") = "8"
    & skf18("6","6","9","4","3","10","1") = "9"
    & skf18("6","6","9","4","4","1","1") = "8"
    & skf18("6","6","9","4","4","2","1") = "8"
    & skf18("6","6","9","4","4","3","1") = "8"
    & skf18("6","6","9","4","4","4","1") = "8"
    & skf18("6","6","9","4","4","5","1") = "8"
    & skf18("6","6","9","4","4","6","1") = "8"
    & skf18("6","6","9","4","4","7","1") = "8"
    & skf18("6","6","9","4","4","8","1") = "8"
    & skf18("6","6","9","4","4","9","1") = "8"
    & skf18("6","6","9","4","4","10","1") = "9"
    & skf18("6","6","9","4","5","1","1") = "8"
    & skf18("6","6","9","4","5","2","1") = "8"
    & skf18("6","6","9","4","5","3","1") = "8"
    & skf18("6","6","9","4","5","4","1") = "8"
    & skf18("6","6","9","4","5","5","1") = "8"
    & skf18("6","6","9","4","5","6","1") = "8"
    & skf18("6","6","9","4","5","7","1") = "8"
    & skf18("6","6","9","4","5","8","1") = "8"
    & skf18("6","6","9","4","5","9","1") = "8"
    & skf18("6","6","9","4","5","10","1") = "9"
    & skf18("6","6","9","4","6","1","1") = "8"
    & skf18("6","6","9","4","6","2","1") = "8"
    & skf18("6","6","9","4","6","3","1") = "8"
    & skf18("6","6","9","4","6","4","1") = "8"
    & skf18("6","6","9","4","6","5","1") = "8"
    & skf18("6","6","9","4","6","6","1") = "8"
    & skf18("6","6","9","4","6","7","1") = "8"
    & skf18("6","6","9","4","6","8","1") = "8"
    & skf18("6","6","9","4","6","9","1") = "8"
    & skf18("6","6","9","4","6","10","1") = "9"
    & skf18("6","6","9","4","7","1","1") = "8"
    & skf18("6","6","9","4","7","2","1") = "8"
    & skf18("6","6","9","4","7","3","1") = "8"
    & skf18("6","6","9","4","7","4","1") = "8"
    & skf18("6","6","9","4","7","5","1") = "8"
    & skf18("6","6","9","4","7","6","1") = "8"
    & skf18("6","6","9","4","7","7","1") = "8"
    & skf18("6","6","9","4","7","8","1") = "8"
    & skf18("6","6","9","4","7","9","1") = "8"
    & skf18("6","6","9","4","7","10","1") = "9"
    & skf18("6","6","9","4","8","1","1") = "8"
    & skf18("6","6","9","4","8","2","1") = "8"
    & skf18("6","6","9","4","8","3","1") = "8"
    & skf18("6","6","9","4","8","4","1") = "8"
    & skf18("6","6","9","4","8","5","1") = "8"
    & skf18("6","6","9","4","8","6","1") = "8"
    & skf18("6","6","9","4","8","7","1") = "8"
    & skf18("6","6","9","4","8","8","1") = "8"
    & skf18("6","6","9","4","8","9","1") = "8"
    & skf18("6","6","9","4","8","10","1") = "9"
    & skf18("6","6","9","4","9","1","1") = "8"
    & skf18("6","6","9","4","9","2","1") = "8"
    & skf18("6","6","9","4","9","3","1") = "8"
    & skf18("6","6","9","4","9","4","1") = "8"
    & skf18("6","6","9","4","9","5","1") = "8"
    & skf18("6","6","9","4","9","6","1") = "8"
    & skf18("6","6","9","4","9","7","1") = "8"
    & skf18("6","6","9","4","9","8","1") = "8"
    & skf18("6","6","9","4","9","9","1") = "8"
    & skf18("6","6","9","4","9","10","1") = "9"
    & skf18("6","6","9","4","10","1","1") = "9"
    & skf18("6","6","9","4","10","2","1") = "9"
    & skf18("6","6","9","4","10","3","1") = "9"
    & skf18("6","6","9","4","10","4","1") = "9"
    & skf18("6","6","9","4","10","5","1") = "9"
    & skf18("6","6","9","4","10","6","1") = "9"
    & skf18("6","6","9","4","10","7","1") = "9"
    & skf18("6","6","9","4","10","8","1") = "9"
    & skf18("6","6","9","4","10","9","1") = "9"
    & skf18("6","6","9","4","10","10","1") = "9"
    & skf18("6","6","9","5","1","1","1") = "8"
    & skf18("6","6","9","5","1","2","1") = "8"
    & skf18("6","6","9","5","1","3","1") = "8"
    & skf18("6","6","9","5","1","4","1") = "8"
    & skf18("6","6","9","5","1","5","1") = "8"
    & skf18("6","6","9","5","1","6","1") = "8"
    & skf18("6","6","9","5","1","7","1") = "8"
    & skf18("6","6","9","5","1","8","1") = "8"
    & skf18("6","6","9","5","1","9","1") = "8"
    & skf18("6","6","9","5","1","10","1") = "9"
    & skf18("6","6","9","5","2","1","1") = "8"
    & skf18("6","6","9","5","2","2","1") = "8"
    & skf18("6","6","9","5","2","3","1") = "8"
    & skf18("6","6","9","5","2","4","1") = "8"
    & skf18("6","6","9","5","2","5","1") = "8"
    & skf18("6","6","9","5","2","6","1") = "8"
    & skf18("6","6","9","5","2","7","1") = "8"
    & skf18("6","6","9","5","2","8","1") = "8"
    & skf18("6","6","9","5","2","9","1") = "8"
    & skf18("6","6","9","5","2","10","1") = "9"
    & skf18("6","6","9","5","3","1","1") = "8"
    & skf18("6","6","9","5","3","2","1") = "8"
    & skf18("6","6","9","5","3","3","1") = "8"
    & skf18("6","6","9","5","3","4","1") = "8"
    & skf18("6","6","9","5","3","5","1") = "8"
    & skf18("6","6","9","5","3","6","1") = "8"
    & skf18("6","6","9","5","3","7","1") = "8"
    & skf18("6","6","9","5","3","8","1") = "8"
    & skf18("6","6","9","5","3","9","1") = "8"
    & skf18("6","6","9","5","3","10","1") = "9"
    & skf18("6","6","9","5","4","1","1") = "8"
    & skf18("6","6","9","5","4","2","1") = "8"
    & skf18("6","6","9","5","4","3","1") = "8"
    & skf18("6","6","9","5","4","4","1") = "8"
    & skf18("6","6","9","5","4","5","1") = "8"
    & skf18("6","6","9","5","4","6","1") = "8"
    & skf18("6","6","9","5","4","7","1") = "8"
    & skf18("6","6","9","5","4","8","1") = "8"
    & skf18("6","6","9","5","4","9","1") = "8"
    & skf18("6","6","9","5","4","10","1") = "9"
    & skf18("6","6","9","5","5","1","1") = "8"
    & skf18("6","6","9","5","5","2","1") = "8"
    & skf18("6","6","9","5","5","3","1") = "8"
    & skf18("6","6","9","5","5","4","1") = "8"
    & skf18("6","6","9","5","5","5","1") = "8"
    & skf18("6","6","9","5","5","6","1") = "8"
    & skf18("6","6","9","5","5","7","1") = "8"
    & skf18("6","6","9","5","5","8","1") = "8"
    & skf18("6","6","9","5","5","9","1") = "8"
    & skf18("6","6","9","5","5","10","1") = "9"
    & skf18("6","6","9","5","6","1","1") = "8"
    & skf18("6","6","9","5","6","2","1") = "8"
    & skf18("6","6","9","5","6","3","1") = "8"
    & skf18("6","6","9","5","6","4","1") = "8"
    & skf18("6","6","9","5","6","5","1") = "8"
    & skf18("6","6","9","5","6","6","1") = "8"
    & skf18("6","6","9","5","6","7","1") = "8"
    & skf18("6","6","9","5","6","8","1") = "8"
    & skf18("6","6","9","5","6","9","1") = "8"
    & skf18("6","6","9","5","6","10","1") = "9"
    & skf18("6","6","9","5","7","1","1") = "8"
    & skf18("6","6","9","5","7","2","1") = "8"
    & skf18("6","6","9","5","7","3","1") = "8"
    & skf18("6","6","9","5","7","4","1") = "8"
    & skf18("6","6","9","5","7","5","1") = "8"
    & skf18("6","6","9","5","7","6","1") = "8"
    & skf18("6","6","9","5","7","7","1") = "8"
    & skf18("6","6","9","5","7","8","1") = "8"
    & skf18("6","6","9","5","7","9","1") = "8"
    & skf18("6","6","9","5","7","10","1") = "9"
    & skf18("6","6","9","5","8","1","1") = "8"
    & skf18("6","6","9","5","8","2","1") = "8"
    & skf18("6","6","9","5","8","3","1") = "8"
    & skf18("6","6","9","5","8","4","1") = "8"
    & skf18("6","6","9","5","8","5","1") = "8"
    & skf18("6","6","9","5","8","6","1") = "8"
    & skf18("6","6","9","5","8","7","1") = "8"
    & skf18("6","6","9","5","8","8","1") = "8"
    & skf18("6","6","9","5","8","9","1") = "8"
    & skf18("6","6","9","5","8","10","1") = "9"
    & skf18("6","6","9","5","9","1","1") = "8"
    & skf18("6","6","9","5","9","2","1") = "8"
    & skf18("6","6","9","5","9","3","1") = "8"
    & skf18("6","6","9","5","9","4","1") = "8"
    & skf18("6","6","9","5","9","5","1") = "8"
    & skf18("6","6","9","5","9","6","1") = "8"
    & skf18("6","6","9","5","9","7","1") = "8"
    & skf18("6","6","9","5","9","8","1") = "8"
    & skf18("6","6","9","5","9","9","1") = "8"
    & skf18("6","6","9","5","9","10","1") = "9"
    & skf18("6","6","9","5","10","1","1") = "9"
    & skf18("6","6","9","5","10","2","1") = "9"
    & skf18("6","6","9","5","10","3","1") = "9"
    & skf18("6","6","9","5","10","4","1") = "9"
    & skf18("6","6","9","5","10","5","1") = "9"
    & skf18("6","6","9","5","10","6","1") = "9"
    & skf18("6","6","9","5","10","7","1") = "9"
    & skf18("6","6","9","5","10","8","1") = "9"
    & skf18("6","6","9","5","10","9","1") = "9"
    & skf18("6","6","9","5","10","10","1") = "9"
    & skf18("6","6","9","6","1","1","1") = "8"
    & skf18("6","6","9","6","1","2","1") = "8"
    & skf18("6","6","9","6","1","3","1") = "8"
    & skf18("6","6","9","6","1","4","1") = "8"
    & skf18("6","6","9","6","1","5","1") = "8"
    & skf18("6","6","9","6","1","6","1") = "8"
    & skf18("6","6","9","6","1","7","1") = "8"
    & skf18("6","6","9","6","1","8","1") = "8"
    & skf18("6","6","9","6","1","9","1") = "8"
    & skf18("6","6","9","6","1","10","1") = "9"
    & skf18("6","6","9","6","2","1","1") = "8"
    & skf18("6","6","9","6","2","2","1") = "8"
    & skf18("6","6","9","6","2","3","1") = "8"
    & skf18("6","6","9","6","2","4","1") = "8"
    & skf18("6","6","9","6","2","5","1") = "8"
    & skf18("6","6","9","6","2","6","1") = "8"
    & skf18("6","6","9","6","2","7","1") = "8"
    & skf18("6","6","9","6","2","8","1") = "8"
    & skf18("6","6","9","6","2","9","1") = "8"
    & skf18("6","6","9","6","2","10","1") = "9"
    & skf18("6","6","9","6","3","1","1") = "8"
    & skf18("6","6","9","6","3","2","1") = "8"
    & skf18("6","6","9","6","3","3","1") = "8"
    & skf18("6","6","9","6","3","4","1") = "8"
    & skf18("6","6","9","6","3","5","1") = "8"
    & skf18("6","6","9","6","3","6","1") = "8"
    & skf18("6","6","9","6","3","7","1") = "8"
    & skf18("6","6","9","6","3","8","1") = "8"
    & skf18("6","6","9","6","3","9","1") = "8"
    & skf18("6","6","9","6","3","10","1") = "9"
    & skf18("6","6","9","6","4","1","1") = "8"
    & skf18("6","6","9","6","4","2","1") = "8"
    & skf18("6","6","9","6","4","3","1") = "8"
    & skf18("6","6","9","6","4","4","1") = "8"
    & skf18("6","6","9","6","4","5","1") = "8"
    & skf18("6","6","9","6","4","6","1") = "8"
    & skf18("6","6","9","6","4","7","1") = "8"
    & skf18("6","6","9","6","4","8","1") = "8"
    & skf18("6","6","9","6","4","9","1") = "8"
    & skf18("6","6","9","6","4","10","1") = "9"
    & skf18("6","6","9","6","5","1","1") = "8"
    & skf18("6","6","9","6","5","2","1") = "8"
    & skf18("6","6","9","6","5","3","1") = "8"
    & skf18("6","6","9","6","5","4","1") = "8"
    & skf18("6","6","9","6","5","5","1") = "8"
    & skf18("6","6","9","6","5","6","1") = "8"
    & skf18("6","6","9","6","5","7","1") = "8"
    & skf18("6","6","9","6","5","8","1") = "8"
    & skf18("6","6","9","6","5","9","1") = "8"
    & skf18("6","6","9","6","5","10","1") = "9"
    & skf18("6","6","9","6","6","1","1") = "8"
    & skf18("6","6","9","6","6","2","1") = "8"
    & skf18("6","6","9","6","6","3","1") = "8"
    & skf18("6","6","9","6","6","4","1") = "8"
    & skf18("6","6","9","6","6","5","1") = "8"
    & skf18("6","6","9","6","6","6","1") = "8"
    & skf18("6","6","9","6","6","7","1") = "8"
    & skf18("6","6","9","6","6","8","1") = "8"
    & skf18("6","6","9","6","6","9","1") = "8"
    & skf18("6","6","9","6","6","10","1") = "9"
    & skf18("6","6","9","6","7","1","1") = "8"
    & skf18("6","6","9","6","7","2","1") = "8"
    & skf18("6","6","9","6","7","3","1") = "8"
    & skf18("6","6","9","6","7","4","1") = "8"
    & skf18("6","6","9","6","7","5","1") = "8"
    & skf18("6","6","9","6","7","6","1") = "8"
    & skf18("6","6","9","6","7","7","1") = "8"
    & skf18("6","6","9","6","7","8","1") = "8"
    & skf18("6","6","9","6","7","9","1") = "8"
    & skf18("6","6","9","6","7","10","1") = "9"
    & skf18("6","6","9","6","8","1","1") = "8"
    & skf18("6","6","9","6","8","2","1") = "8"
    & skf18("6","6","9","6","8","3","1") = "8"
    & skf18("6","6","9","6","8","4","1") = "8"
    & skf18("6","6","9","6","8","5","1") = "8"
    & skf18("6","6","9","6","8","6","1") = "8"
    & skf18("6","6","9","6","8","7","1") = "8"
    & skf18("6","6","9","6","8","8","1") = "8"
    & skf18("6","6","9","6","8","9","1") = "8"
    & skf18("6","6","9","6","8","10","1") = "9"
    & skf18("6","6","9","6","9","1","1") = "8"
    & skf18("6","6","9","6","9","2","1") = "8"
    & skf18("6","6","9","6","9","3","1") = "8"
    & skf18("6","6","9","6","9","4","1") = "8"
    & skf18("6","6","9","6","9","5","1") = "8"
    & skf18("6","6","9","6","9","6","1") = "8"
    & skf18("6","6","9","6","9","7","1") = "8"
    & skf18("6","6","9","6","9","8","1") = "8"
    & skf18("6","6","9","6","9","9","1") = "8"
    & skf18("6","6","9","6","9","10","1") = "9"
    & skf18("6","6","9","6","10","1","1") = "9"
    & skf18("6","6","9","6","10","2","1") = "9"
    & skf18("6","6","9","6","10","3","1") = "9"
    & skf18("6","6","9","6","10","4","1") = "9"
    & skf18("6","6","9","6","10","5","1") = "9"
    & skf18("6","6","9","6","10","6","1") = "9"
    & skf18("6","6","9","6","10","7","1") = "9"
    & skf18("6","6","9","6","10","8","1") = "9"
    & skf18("6","6","9","6","10","9","1") = "9"
    & skf18("6","6","9","6","10","10","1") = "9"
    & skf18("6","6","9","7","1","1","1") = "8"
    & skf18("6","6","9","7","1","2","1") = "8"
    & skf18("6","6","9","7","1","3","1") = "8"
    & skf18("6","6","9","7","1","4","1") = "8"
    & skf18("6","6","9","7","1","5","1") = "8"
    & skf18("6","6","9","7","1","6","1") = "8"
    & skf18("6","6","9","7","1","7","1") = "8"
    & skf18("6","6","9","7","1","8","1") = "8"
    & skf18("6","6","9","7","1","9","1") = "8"
    & skf18("6","6","9","7","1","10","1") = "9"
    & skf18("6","6","9","7","2","1","1") = "8"
    & skf18("6","6","9","7","2","2","1") = "8"
    & skf18("6","6","9","7","2","3","1") = "8"
    & skf18("6","6","9","7","2","4","1") = "8"
    & skf18("6","6","9","7","2","5","1") = "8"
    & skf18("6","6","9","7","2","6","1") = "8"
    & skf18("6","6","9","7","2","7","1") = "8"
    & skf18("6","6","9","7","2","8","1") = "8"
    & skf18("6","6","9","7","2","9","1") = "8"
    & skf18("6","6","9","7","2","10","1") = "9"
    & skf18("6","6","9","7","3","1","1") = "8"
    & skf18("6","6","9","7","3","2","1") = "8"
    & skf18("6","6","9","7","3","3","1") = "8"
    & skf18("6","6","9","7","3","4","1") = "8"
    & skf18("6","6","9","7","3","5","1") = "8"
    & skf18("6","6","9","7","3","6","1") = "8"
    & skf18("6","6","9","7","3","7","1") = "8"
    & skf18("6","6","9","7","3","8","1") = "8"
    & skf18("6","6","9","7","3","9","1") = "8"
    & skf18("6","6","9","7","3","10","1") = "9"
    & skf18("6","6","9","7","4","1","1") = "8"
    & skf18("6","6","9","7","4","2","1") = "8"
    & skf18("6","6","9","7","4","3","1") = "8"
    & skf18("6","6","9","7","4","4","1") = "8"
    & skf18("6","6","9","7","4","5","1") = "8"
    & skf18("6","6","9","7","4","6","1") = "8"
    & skf18("6","6","9","7","4","7","1") = "8"
    & skf18("6","6","9","7","4","8","1") = "8"
    & skf18("6","6","9","7","4","9","1") = "8"
    & skf18("6","6","9","7","4","10","1") = "9"
    & skf18("6","6","9","7","5","1","1") = "8"
    & skf18("6","6","9","7","5","2","1") = "8"
    & skf18("6","6","9","7","5","3","1") = "8"
    & skf18("6","6","9","7","5","4","1") = "8"
    & skf18("6","6","9","7","5","5","1") = "8"
    & skf18("6","6","9","7","5","6","1") = "8"
    & skf18("6","6","9","7","5","7","1") = "8"
    & skf18("6","6","9","7","5","8","1") = "8"
    & skf18("6","6","9","7","5","9","1") = "8"
    & skf18("6","6","9","7","5","10","1") = "9"
    & skf18("6","6","9","7","6","1","1") = "8"
    & skf18("6","6","9","7","6","2","1") = "8"
    & skf18("6","6","9","7","6","3","1") = "8"
    & skf18("6","6","9","7","6","4","1") = "8"
    & skf18("6","6","9","7","6","5","1") = "8"
    & skf18("6","6","9","7","6","6","1") = "8"
    & skf18("6","6","9","7","6","7","1") = "8"
    & skf18("6","6","9","7","6","8","1") = "8"
    & skf18("6","6","9","7","6","9","1") = "8"
    & skf18("6","6","9","7","6","10","1") = "9"
    & skf18("6","6","9","7","7","1","1") = "8"
    & skf18("6","6","9","7","7","2","1") = "8"
    & skf18("6","6","9","7","7","3","1") = "8"
    & skf18("6","6","9","7","7","4","1") = "8"
    & skf18("6","6","9","7","7","5","1") = "8"
    & skf18("6","6","9","7","7","6","1") = "8"
    & skf18("6","6","9","7","7","7","1") = "8"
    & skf18("6","6","9","7","7","8","1") = "8"
    & skf18("6","6","9","7","7","9","1") = "8"
    & skf18("6","6","9","7","7","10","1") = "9"
    & skf18("6","6","9","7","8","1","1") = "8"
    & skf18("6","6","9","7","8","2","1") = "8"
    & skf18("6","6","9","7","8","3","1") = "8"
    & skf18("6","6","9","7","8","4","1") = "8"
    & skf18("6","6","9","7","8","5","1") = "8"
    & skf18("6","6","9","7","8","6","1") = "8"
    & skf18("6","6","9","7","8","7","1") = "8"
    & skf18("6","6","9","7","8","8","1") = "8"
    & skf18("6","6","9","7","8","9","1") = "8"
    & skf18("6","6","9","7","8","10","1") = "9"
    & skf18("6","6","9","7","9","1","1") = "8"
    & skf18("6","6","9","7","9","2","1") = "8"
    & skf18("6","6","9","7","9","3","1") = "8"
    & skf18("6","6","9","7","9","4","1") = "8"
    & skf18("6","6","9","7","9","5","1") = "8"
    & skf18("6","6","9","7","9","6","1") = "8"
    & skf18("6","6","9","7","9","7","1") = "8"
    & skf18("6","6","9","7","9","8","1") = "8"
    & skf18("6","6","9","7","9","9","1") = "8"
    & skf18("6","6","9","7","9","10","1") = "9"
    & skf18("6","6","9","7","10","1","1") = "9"
    & skf18("6","6","9","7","10","2","1") = "9"
    & skf18("6","6","9","7","10","3","1") = "9"
    & skf18("6","6","9","7","10","4","1") = "9"
    & skf18("6","6","9","7","10","5","1") = "9"
    & skf18("6","6","9","7","10","6","1") = "9"
    & skf18("6","6","9","7","10","7","1") = "9"
    & skf18("6","6","9","7","10","8","1") = "9"
    & skf18("6","6","9","7","10","9","1") = "9"
    & skf18("6","6","9","7","10","10","1") = "9"
    & skf18("6","6","9","8","1","1","1") = "8"
    & skf18("6","6","9","8","1","2","1") = "8"
    & skf18("6","6","9","8","1","3","1") = "8"
    & skf18("6","6","9","8","1","4","1") = "8"
    & skf18("6","6","9","8","1","5","1") = "8"
    & skf18("6","6","9","8","1","6","1") = "8"
    & skf18("6","6","9","8","1","7","1") = "8"
    & skf18("6","6","9","8","1","8","1") = "8"
    & skf18("6","6","9","8","1","9","1") = "8"
    & skf18("6","6","9","8","1","10","1") = "9"
    & skf18("6","6","9","8","2","1","1") = "8"
    & skf18("6","6","9","8","2","2","1") = "8"
    & skf18("6","6","9","8","2","3","1") = "8"
    & skf18("6","6","9","8","2","4","1") = "8"
    & skf18("6","6","9","8","2","5","1") = "8"
    & skf18("6","6","9","8","2","6","1") = "8"
    & skf18("6","6","9","8","2","7","1") = "8"
    & skf18("6","6","9","8","2","8","1") = "8"
    & skf18("6","6","9","8","2","9","1") = "8"
    & skf18("6","6","9","8","2","10","1") = "9"
    & skf18("6","6","9","8","3","1","1") = "8"
    & skf18("6","6","9","8","3","2","1") = "8"
    & skf18("6","6","9","8","3","3","1") = "8"
    & skf18("6","6","9","8","3","4","1") = "8"
    & skf18("6","6","9","8","3","5","1") = "8"
    & skf18("6","6","9","8","3","6","1") = "8"
    & skf18("6","6","9","8","3","7","1") = "8"
    & skf18("6","6","9","8","3","8","1") = "8"
    & skf18("6","6","9","8","3","9","1") = "8"
    & skf18("6","6","9","8","3","10","1") = "9"
    & skf18("6","6","9","8","4","1","1") = "8"
    & skf18("6","6","9","8","4","2","1") = "8"
    & skf18("6","6","9","8","4","3","1") = "8"
    & skf18("6","6","9","8","4","4","1") = "8"
    & skf18("6","6","9","8","4","5","1") = "8"
    & skf18("6","6","9","8","4","6","1") = "8"
    & skf18("6","6","9","8","4","7","1") = "8"
    & skf18("6","6","9","8","4","8","1") = "8"
    & skf18("6","6","9","8","4","9","1") = "8"
    & skf18("6","6","9","8","4","10","1") = "9"
    & skf18("6","6","9","8","5","1","1") = "8"
    & skf18("6","6","9","8","5","2","1") = "8"
    & skf18("6","6","9","8","5","3","1") = "8"
    & skf18("6","6","9","8","5","4","1") = "8"
    & skf18("6","6","9","8","5","5","1") = "8"
    & skf18("6","6","9","8","5","6","1") = "8"
    & skf18("6","6","9","8","5","7","1") = "8"
    & skf18("6","6","9","8","5","8","1") = "8"
    & skf18("6","6","9","8","5","9","1") = "8"
    & skf18("6","6","9","8","5","10","1") = "9"
    & skf18("6","6","9","8","6","1","1") = "8"
    & skf18("6","6","9","8","6","2","1") = "8"
    & skf18("6","6","9","8","6","3","1") = "8"
    & skf18("6","6","9","8","6","4","1") = "8"
    & skf18("6","6","9","8","6","5","1") = "8"
    & skf18("6","6","9","8","6","6","1") = "8"
    & skf18("6","6","9","8","6","7","1") = "8"
    & skf18("6","6","9","8","6","8","1") = "8"
    & skf18("6","6","9","8","6","9","1") = "8"
    & skf18("6","6","9","8","6","10","1") = "9"
    & skf18("6","6","9","8","7","1","1") = "8"
    & skf18("6","6","9","8","7","2","1") = "8"
    & skf18("6","6","9","8","7","3","1") = "8"
    & skf18("6","6","9","8","7","4","1") = "8"
    & skf18("6","6","9","8","7","5","1") = "8"
    & skf18("6","6","9","8","7","6","1") = "8"
    & skf18("6","6","9","8","7","7","1") = "8"
    & skf18("6","6","9","8","7","8","1") = "8"
    & skf18("6","6","9","8","7","9","1") = "8"
    & skf18("6","6","9","8","7","10","1") = "9"
    & skf18("6","6","9","8","8","1","1") = "8"
    & skf18("6","6","9","8","8","2","1") = "8"
    & skf18("6","6","9","8","8","3","1") = "8"
    & skf18("6","6","9","8","8","4","1") = "8"
    & skf18("6","6","9","8","8","5","1") = "8"
    & skf18("6","6","9","8","8","6","1") = "8"
    & skf18("6","6","9","8","8","7","1") = "8"
    & skf18("6","6","9","8","8","8","1") = "8"
    & skf18("6","6","9","8","8","9","1") = "8"
    & skf18("6","6","9","8","8","10","1") = "9"
    & skf18("6","6","9","8","9","1","1") = "8"
    & skf18("6","6","9","8","9","2","1") = "8"
    & skf18("6","6","9","8","9","3","1") = "8"
    & skf18("6","6","9","8","9","4","1") = "8"
    & skf18("6","6","9","8","9","5","1") = "8"
    & skf18("6","6","9","8","9","6","1") = "8"
    & skf18("6","6","9","8","9","7","1") = "8"
    & skf18("6","6","9","8","9","8","1") = "8"
    & skf18("6","6","9","8","9","9","1") = "8"
    & skf18("6","6","9","8","9","10","1") = "9"
    & skf18("6","6","9","8","10","1","1") = "9"
    & skf18("6","6","9","8","10","2","1") = "9"
    & skf18("6","6","9","8","10","3","1") = "9"
    & skf18("6","6","9","8","10","4","1") = "9"
    & skf18("6","6","9","8","10","5","1") = "9"
    & skf18("6","6","9","8","10","6","1") = "9"
    & skf18("6","6","9","8","10","7","1") = "9"
    & skf18("6","6","9","8","10","8","1") = "9"
    & skf18("6","6","9","8","10","9","1") = "9"
    & skf18("6","6","9","8","10","10","1") = "9"
    & skf18("6","6","9","9","1","1","1") = "8"
    & skf18("6","6","9","9","1","2","1") = "8"
    & skf18("6","6","9","9","1","3","1") = "8"
    & skf18("6","6","9","9","1","4","1") = "8"
    & skf18("6","6","9","9","1","5","1") = "8"
    & skf18("6","6","9","9","1","6","1") = "8"
    & skf18("6","6","9","9","1","7","1") = "8"
    & skf18("6","6","9","9","1","8","1") = "8"
    & skf18("6","6","9","9","1","9","1") = "8"
    & skf18("6","6","9","9","1","10","1") = "9"
    & skf18("6","6","9","9","2","1","1") = "8"
    & skf18("6","6","9","9","2","2","1") = "8"
    & skf18("6","6","9","9","2","3","1") = "8"
    & skf18("6","6","9","9","2","4","1") = "8"
    & skf18("6","6","9","9","2","5","1") = "8"
    & skf18("6","6","9","9","2","6","1") = "8"
    & skf18("6","6","9","9","2","7","1") = "8"
    & skf18("6","6","9","9","2","8","1") = "8"
    & skf18("6","6","9","9","2","9","1") = "8"
    & skf18("6","6","9","9","2","10","1") = "9"
    & skf18("6","6","9","9","3","1","1") = "8"
    & skf18("6","6","9","9","3","2","1") = "8"
    & skf18("6","6","9","9","3","3","1") = "8"
    & skf18("6","6","9","9","3","4","1") = "8"
    & skf18("6","6","9","9","3","5","1") = "8"
    & skf18("6","6","9","9","3","6","1") = "8"
    & skf18("6","6","9","9","3","7","1") = "8"
    & skf18("6","6","9","9","3","8","1") = "8"
    & skf18("6","6","9","9","3","9","1") = "8"
    & skf18("6","6","9","9","3","10","1") = "9"
    & skf18("6","6","9","9","4","1","1") = "8"
    & skf18("6","6","9","9","4","2","1") = "8"
    & skf18("6","6","9","9","4","3","1") = "8"
    & skf18("6","6","9","9","4","4","1") = "8"
    & skf18("6","6","9","9","4","5","1") = "8"
    & skf18("6","6","9","9","4","6","1") = "8"
    & skf18("6","6","9","9","4","7","1") = "8"
    & skf18("6","6","9","9","4","8","1") = "8"
    & skf18("6","6","9","9","4","9","1") = "8"
    & skf18("6","6","9","9","4","10","1") = "9"
    & skf18("6","6","9","9","5","1","1") = "8"
    & skf18("6","6","9","9","5","2","1") = "8"
    & skf18("6","6","9","9","5","3","1") = "8"
    & skf18("6","6","9","9","5","4","1") = "8"
    & skf18("6","6","9","9","5","5","1") = "8"
    & skf18("6","6","9","9","5","6","1") = "8"
    & skf18("6","6","9","9","5","7","1") = "8"
    & skf18("6","6","9","9","5","8","1") = "8"
    & skf18("6","6","9","9","5","9","1") = "8"
    & skf18("6","6","9","9","5","10","1") = "9"
    & skf18("6","6","9","9","6","1","1") = "8"
    & skf18("6","6","9","9","6","2","1") = "8"
    & skf18("6","6","9","9","6","3","1") = "8"
    & skf18("6","6","9","9","6","4","1") = "8"
    & skf18("6","6","9","9","6","5","1") = "8"
    & skf18("6","6","9","9","6","6","1") = "8"
    & skf18("6","6","9","9","6","7","1") = "8"
    & skf18("6","6","9","9","6","8","1") = "8"
    & skf18("6","6","9","9","6","9","1") = "8"
    & skf18("6","6","9","9","6","10","1") = "9"
    & skf18("6","6","9","9","7","1","1") = "8"
    & skf18("6","6","9","9","7","2","1") = "8"
    & skf18("6","6","9","9","7","3","1") = "8"
    & skf18("6","6","9","9","7","4","1") = "8"
    & skf18("6","6","9","9","7","5","1") = "8"
    & skf18("6","6","9","9","7","6","1") = "8"
    & skf18("6","6","9","9","7","7","1") = "8"
    & skf18("6","6","9","9","7","8","1") = "8"
    & skf18("6","6","9","9","7","9","1") = "8"
    & skf18("6","6","9","9","7","10","1") = "9"
    & skf18("6","6","9","9","8","1","1") = "8"
    & skf18("6","6","9","9","8","2","1") = "8"
    & skf18("6","6","9","9","8","3","1") = "8"
    & skf18("6","6","9","9","8","4","1") = "8"
    & skf18("6","6","9","9","8","5","1") = "8"
    & skf18("6","6","9","9","8","6","1") = "8"
    & skf18("6","6","9","9","8","7","1") = "8"
    & skf18("6","6","9","9","8","8","1") = "8"
    & skf18("6","6","9","9","8","9","1") = "8"
    & skf18("6","6","9","9","8","10","1") = "9"
    & skf18("6","6","9","9","9","1","1") = "8"
    & skf18("6","6","9","9","9","2","1") = "8"
    & skf18("6","6","9","9","9","3","1") = "8"
    & skf18("6","6","9","9","9","4","1") = "8"
    & skf18("6","6","9","9","9","5","1") = "8"
    & skf18("6","6","9","9","9","6","1") = "8"
    & skf18("6","6","9","9","9","7","1") = "8"
    & skf18("6","6","9","9","9","8","1") = "8"
    & skf18("6","6","9","9","9","9","1") = "8"
    & skf18("6","6","9","9","9","10","1") = "9"
    & skf18("6","6","9","9","10","1","1") = "9"
    & skf18("6","6","9","9","10","2","1") = "9"
    & skf18("6","6","9","9","10","3","1") = "9"
    & skf18("6","6","9","9","10","4","1") = "9"
    & skf18("6","6","9","9","10","5","1") = "9"
    & skf18("6","6","9","9","10","6","1") = "9"
    & skf18("6","6","9","9","10","7","1") = "9"
    & skf18("6","6","9","9","10","8","1") = "9"
    & skf18("6","6","9","9","10","9","1") = "9"
    & skf18("6","6","9","9","10","10","1") = "9"
    & skf18("6","6","9","10","1","1","1") = "9"
    & skf18("6","6","9","10","1","2","1") = "9"
    & skf18("6","6","9","10","1","3","1") = "9"
    & skf18("6","6","9","10","1","4","1") = "9"
    & skf18("6","6","9","10","1","5","1") = "9"
    & skf18("6","6","9","10","1","6","1") = "9"
    & skf18("6","6","9","10","1","7","1") = "9"
    & skf18("6","6","9","10","1","8","1") = "9"
    & skf18("6","6","9","10","1","9","1") = "9"
    & skf18("6","6","9","10","1","10","1") = "9"
    & skf18("6","6","9","10","2","1","1") = "9"
    & skf18("6","6","9","10","2","2","1") = "9"
    & skf18("6","6","9","10","2","3","1") = "9"
    & skf18("6","6","9","10","2","4","1") = "9"
    & skf18("6","6","9","10","2","5","1") = "9"
    & skf18("6","6","9","10","2","6","1") = "9"
    & skf18("6","6","9","10","2","7","1") = "9"
    & skf18("6","6","9","10","2","8","1") = "9"
    & skf18("6","6","9","10","2","9","1") = "9"
    & skf18("6","6","9","10","2","10","1") = "9"
    & skf18("6","6","9","10","3","1","1") = "9"
    & skf18("6","6","9","10","3","2","1") = "9"
    & skf18("6","6","9","10","3","3","1") = "9"
    & skf18("6","6","9","10","3","4","1") = "9"
    & skf18("6","6","9","10","3","5","1") = "9"
    & skf18("6","6","9","10","3","6","1") = "9"
    & skf18("6","6","9","10","3","7","1") = "9"
    & skf18("6","6","9","10","3","8","1") = "9"
    & skf18("6","6","9","10","3","9","1") = "9"
    & skf18("6","6","9","10","3","10","1") = "9"
    & skf18("6","6","9","10","4","1","1") = "9"
    & skf18("6","6","9","10","4","2","1") = "9"
    & skf18("6","6","9","10","4","3","1") = "9"
    & skf18("6","6","9","10","4","4","1") = "9"
    & skf18("6","6","9","10","4","5","1") = "9"
    & skf18("6","6","9","10","4","6","1") = "9"
    & skf18("6","6","9","10","4","7","1") = "9"
    & skf18("6","6","9","10","4","8","1") = "9"
    & skf18("6","6","9","10","4","9","1") = "9"
    & skf18("6","6","9","10","4","10","1") = "9"
    & skf18("6","6","9","10","5","1","1") = "9"
    & skf18("6","6","9","10","5","2","1") = "9"
    & skf18("6","6","9","10","5","3","1") = "9"
    & skf18("6","6","9","10","5","4","1") = "9"
    & skf18("6","6","9","10","5","5","1") = "9"
    & skf18("6","6","9","10","5","6","1") = "9"
    & skf18("6","6","9","10","5","7","1") = "9"
    & skf18("6","6","9","10","5","8","1") = "9"
    & skf18("6","6","9","10","5","9","1") = "9"
    & skf18("6","6","9","10","5","10","1") = "9"
    & skf18("6","6","9","10","6","1","1") = "9"
    & skf18("6","6","9","10","6","2","1") = "9"
    & skf18("6","6","9","10","6","3","1") = "9"
    & skf18("6","6","9","10","6","4","1") = "9"
    & skf18("6","6","9","10","6","5","1") = "9"
    & skf18("6","6","9","10","6","6","1") = "9"
    & skf18("6","6","9","10","6","7","1") = "9"
    & skf18("6","6","9","10","6","8","1") = "9"
    & skf18("6","6","9","10","6","9","1") = "9"
    & skf18("6","6","9","10","6","10","1") = "9"
    & skf18("6","6","9","10","7","1","1") = "9"
    & skf18("6","6","9","10","7","2","1") = "9"
    & skf18("6","6","9","10","7","3","1") = "9"
    & skf18("6","6","9","10","7","4","1") = "9"
    & skf18("6","6","9","10","7","5","1") = "9"
    & skf18("6","6","9","10","7","6","1") = "9"
    & skf18("6","6","9","10","7","7","1") = "9"
    & skf18("6","6","9","10","7","8","1") = "9"
    & skf18("6","6","9","10","7","9","1") = "9"
    & skf18("6","6","9","10","7","10","1") = "9"
    & skf18("6","6","9","10","8","1","1") = "9"
    & skf18("6","6","9","10","8","2","1") = "9"
    & skf18("6","6","9","10","8","3","1") = "9"
    & skf18("6","6","9","10","8","4","1") = "9"
    & skf18("6","6","9","10","8","5","1") = "9"
    & skf18("6","6","9","10","8","6","1") = "9"
    & skf18("6","6","9","10","8","7","1") = "9"
    & skf18("6","6","9","10","8","8","1") = "9"
    & skf18("6","6","9","10","8","9","1") = "9"
    & skf18("6","6","9","10","8","10","1") = "9"
    & skf18("6","6","9","10","9","1","1") = "9"
    & skf18("6","6","9","10","9","2","1") = "9"
    & skf18("6","6","9","10","9","3","1") = "9"
    & skf18("6","6","9","10","9","4","1") = "9"
    & skf18("6","6","9","10","9","5","1") = "9"
    & skf18("6","6","9","10","9","6","1") = "9"
    & skf18("6","6","9","10","9","7","1") = "9"
    & skf18("6","6","9","10","9","8","1") = "9"
    & skf18("6","6","9","10","9","9","1") = "9"
    & skf18("6","6","9","10","9","10","1") = "9"
    & skf18("6","6","9","10","10","1","1") = "9"
    & skf18("6","6","9","10","10","2","1") = "9"
    & skf18("6","6","9","10","10","3","1") = "9"
    & skf18("6","6","9","10","10","4","1") = "9"
    & skf18("6","6","9","10","10","5","1") = "9"
    & skf18("6","6","9","10","10","6","1") = "9"
    & skf18("6","6","9","10","10","7","1") = "9"
    & skf18("6","6","9","10","10","8","1") = "9"
    & skf18("6","6","9","10","10","9","1") = "9"
    & skf18("6","6","9","10","10","10","1") = "9"
    & skf18("6","6","10","1","1","1","1") = "9"
    & skf18("6","6","10","1","1","2","1") = "9"
    & skf18("6","6","10","1","1","3","1") = "9"
    & skf18("6","6","10","1","1","4","1") = "9"
    & skf18("6","6","10","1","1","5","1") = "9"
    & skf18("6","6","10","1","1","6","1") = "9"
    & skf18("6","6","10","1","1","7","1") = "9"
    & skf18("6","6","10","1","1","8","1") = "9"
    & skf18("6","6","10","1","1","9","1") = "9"
    & skf18("6","6","10","1","1","10","1") = "9"
    & skf18("6","6","10","1","2","1","1") = "9"
    & skf18("6","6","10","1","2","2","1") = "9"
    & skf18("6","6","10","1","2","3","1") = "9"
    & skf18("6","6","10","1","2","4","1") = "9"
    & skf18("6","6","10","1","2","5","1") = "9"
    & skf18("6","6","10","1","2","6","1") = "9"
    & skf18("6","6","10","1","2","7","1") = "9"
    & skf18("6","6","10","1","2","8","1") = "9"
    & skf18("6","6","10","1","2","9","1") = "9"
    & skf18("6","6","10","1","2","10","1") = "9"
    & skf18("6","6","10","1","3","1","1") = "9"
    & skf18("6","6","10","1","3","2","1") = "9"
    & skf18("6","6","10","1","3","3","1") = "9"
    & skf18("6","6","10","1","3","4","1") = "9"
    & skf18("6","6","10","1","3","5","1") = "9"
    & skf18("6","6","10","1","3","6","1") = "9"
    & skf18("6","6","10","1","3","7","1") = "9"
    & skf18("6","6","10","1","3","8","1") = "9"
    & skf18("6","6","10","1","3","9","1") = "9"
    & skf18("6","6","10","1","3","10","1") = "9"
    & skf18("6","6","10","1","4","1","1") = "9"
    & skf18("6","6","10","1","4","2","1") = "9"
    & skf18("6","6","10","1","4","3","1") = "9"
    & skf18("6","6","10","1","4","4","1") = "9"
    & skf18("6","6","10","1","4","5","1") = "9"
    & skf18("6","6","10","1","4","6","1") = "9"
    & skf18("6","6","10","1","4","7","1") = "9"
    & skf18("6","6","10","1","4","8","1") = "9"
    & skf18("6","6","10","1","4","9","1") = "9"
    & skf18("6","6","10","1","4","10","1") = "9"
    & skf18("6","6","10","1","5","1","1") = "9"
    & skf18("6","6","10","1","5","2","1") = "9"
    & skf18("6","6","10","1","5","3","1") = "9"
    & skf18("6","6","10","1","5","4","1") = "9"
    & skf18("6","6","10","1","5","5","1") = "9"
    & skf18("6","6","10","1","5","6","1") = "9"
    & skf18("6","6","10","1","5","7","1") = "9"
    & skf18("6","6","10","1","5","8","1") = "9"
    & skf18("6","6","10","1","5","9","1") = "9"
    & skf18("6","6","10","1","5","10","1") = "9"
    & skf18("6","6","10","1","6","1","1") = "9"
    & skf18("6","6","10","1","6","2","1") = "9"
    & skf18("6","6","10","1","6","3","1") = "9"
    & skf18("6","6","10","1","6","4","1") = "9"
    & skf18("6","6","10","1","6","5","1") = "9"
    & skf18("6","6","10","1","6","6","1") = "9"
    & skf18("6","6","10","1","6","7","1") = "9"
    & skf18("6","6","10","1","6","8","1") = "9"
    & skf18("6","6","10","1","6","9","1") = "9"
    & skf18("6","6","10","1","6","10","1") = "9"
    & skf18("6","6","10","1","7","1","1") = "9"
    & skf18("6","6","10","1","7","2","1") = "9"
    & skf18("6","6","10","1","7","3","1") = "9"
    & skf18("6","6","10","1","7","4","1") = "9"
    & skf18("6","6","10","1","7","5","1") = "9"
    & skf18("6","6","10","1","7","6","1") = "9"
    & skf18("6","6","10","1","7","7","1") = "9"
    & skf18("6","6","10","1","7","8","1") = "9"
    & skf18("6","6","10","1","7","9","1") = "9"
    & skf18("6","6","10","1","7","10","1") = "9"
    & skf18("6","6","10","1","8","1","1") = "9"
    & skf18("6","6","10","1","8","2","1") = "9"
    & skf18("6","6","10","1","8","3","1") = "9"
    & skf18("6","6","10","1","8","4","1") = "9"
    & skf18("6","6","10","1","8","5","1") = "9"
    & skf18("6","6","10","1","8","6","1") = "9"
    & skf18("6","6","10","1","8","7","1") = "9"
    & skf18("6","6","10","1","8","8","1") = "9"
    & skf18("6","6","10","1","8","9","1") = "9"
    & skf18("6","6","10","1","8","10","1") = "9"
    & skf18("6","6","10","1","9","1","1") = "9"
    & skf18("6","6","10","1","9","2","1") = "9"
    & skf18("6","6","10","1","9","3","1") = "9"
    & skf18("6","6","10","1","9","4","1") = "9"
    & skf18("6","6","10","1","9","5","1") = "9"
    & skf18("6","6","10","1","9","6","1") = "9"
    & skf18("6","6","10","1","9","7","1") = "9"
    & skf18("6","6","10","1","9","8","1") = "9"
    & skf18("6","6","10","1","9","9","1") = "9"
    & skf18("6","6","10","1","9","10","1") = "9"
    & skf18("6","6","10","1","10","1","1") = "9"
    & skf18("6","6","10","1","10","2","1") = "9"
    & skf18("6","6","10","1","10","3","1") = "9"
    & skf18("6","6","10","1","10","4","1") = "9"
    & skf18("6","6","10","1","10","5","1") = "9"
    & skf18("6","6","10","1","10","6","1") = "9"
    & skf18("6","6","10","1","10","7","1") = "9"
    & skf18("6","6","10","1","10","8","1") = "9"
    & skf18("6","6","10","1","10","9","1") = "9"
    & skf18("6","6","10","1","10","10","1") = "9"
    & skf18("6","6","10","2","1","1","1") = "9"
    & skf18("6","6","10","2","1","2","1") = "9"
    & skf18("6","6","10","2","1","3","1") = "9"
    & skf18("6","6","10","2","1","4","1") = "9"
    & skf18("6","6","10","2","1","5","1") = "9"
    & skf18("6","6","10","2","1","6","1") = "9"
    & skf18("6","6","10","2","1","7","1") = "9"
    & skf18("6","6","10","2","1","8","1") = "9"
    & skf18("6","6","10","2","1","9","1") = "9"
    & skf18("6","6","10","2","1","10","1") = "9"
    & skf18("6","6","10","2","2","1","1") = "9"
    & skf18("6","6","10","2","2","2","1") = "9"
    & skf18("6","6","10","2","2","3","1") = "9"
    & skf18("6","6","10","2","2","4","1") = "9"
    & skf18("6","6","10","2","2","5","1") = "9"
    & skf18("6","6","10","2","2","6","1") = "9"
    & skf18("6","6","10","2","2","7","1") = "9"
    & skf18("6","6","10","2","2","8","1") = "9"
    & skf18("6","6","10","2","2","9","1") = "9"
    & skf18("6","6","10","2","2","10","1") = "9"
    & skf18("6","6","10","2","3","1","1") = "9"
    & skf18("6","6","10","2","3","2","1") = "9"
    & skf18("6","6","10","2","3","3","1") = "9"
    & skf18("6","6","10","2","3","4","1") = "9"
    & skf18("6","6","10","2","3","5","1") = "9"
    & skf18("6","6","10","2","3","6","1") = "9"
    & skf18("6","6","10","2","3","7","1") = "9"
    & skf18("6","6","10","2","3","8","1") = "9"
    & skf18("6","6","10","2","3","9","1") = "9"
    & skf18("6","6","10","2","3","10","1") = "9"
    & skf18("6","6","10","2","4","1","1") = "9"
    & skf18("6","6","10","2","4","2","1") = "9"
    & skf18("6","6","10","2","4","3","1") = "9"
    & skf18("6","6","10","2","4","4","1") = "9"
    & skf18("6","6","10","2","4","5","1") = "9"
    & skf18("6","6","10","2","4","6","1") = "9"
    & skf18("6","6","10","2","4","7","1") = "9"
    & skf18("6","6","10","2","4","8","1") = "9"
    & skf18("6","6","10","2","4","9","1") = "9"
    & skf18("6","6","10","2","4","10","1") = "9"
    & skf18("6","6","10","2","5","1","1") = "9"
    & skf18("6","6","10","2","5","2","1") = "9"
    & skf18("6","6","10","2","5","3","1") = "9"
    & skf18("6","6","10","2","5","4","1") = "9"
    & skf18("6","6","10","2","5","5","1") = "9"
    & skf18("6","6","10","2","5","6","1") = "9"
    & skf18("6","6","10","2","5","7","1") = "9"
    & skf18("6","6","10","2","5","8","1") = "9"
    & skf18("6","6","10","2","5","9","1") = "9"
    & skf18("6","6","10","2","5","10","1") = "9"
    & skf18("6","6","10","2","6","1","1") = "9"
    & skf18("6","6","10","2","6","2","1") = "9"
    & skf18("6","6","10","2","6","3","1") = "9"
    & skf18("6","6","10","2","6","4","1") = "9"
    & skf18("6","6","10","2","6","5","1") = "9"
    & skf18("6","6","10","2","6","6","1") = "9"
    & skf18("6","6","10","2","6","7","1") = "9"
    & skf18("6","6","10","2","6","8","1") = "9"
    & skf18("6","6","10","2","6","9","1") = "9"
    & skf18("6","6","10","2","6","10","1") = "9"
    & skf18("6","6","10","2","7","1","1") = "9"
    & skf18("6","6","10","2","7","2","1") = "9"
    & skf18("6","6","10","2","7","3","1") = "9"
    & skf18("6","6","10","2","7","4","1") = "9"
    & skf18("6","6","10","2","7","5","1") = "9"
    & skf18("6","6","10","2","7","6","1") = "9"
    & skf18("6","6","10","2","7","7","1") = "9"
    & skf18("6","6","10","2","7","8","1") = "9"
    & skf18("6","6","10","2","7","9","1") = "9"
    & skf18("6","6","10","2","7","10","1") = "9"
    & skf18("6","6","10","2","8","1","1") = "9"
    & skf18("6","6","10","2","8","2","1") = "9"
    & skf18("6","6","10","2","8","3","1") = "9"
    & skf18("6","6","10","2","8","4","1") = "9"
    & skf18("6","6","10","2","8","5","1") = "9"
    & skf18("6","6","10","2","8","6","1") = "9"
    & skf18("6","6","10","2","8","7","1") = "9"
    & skf18("6","6","10","2","8","8","1") = "9"
    & skf18("6","6","10","2","8","9","1") = "9"
    & skf18("6","6","10","2","8","10","1") = "9"
    & skf18("6","6","10","2","9","1","1") = "9"
    & skf18("6","6","10","2","9","2","1") = "9"
    & skf18("6","6","10","2","9","3","1") = "9"
    & skf18("6","6","10","2","9","4","1") = "9"
    & skf18("6","6","10","2","9","5","1") = "9"
    & skf18("6","6","10","2","9","6","1") = "9"
    & skf18("6","6","10","2","9","7","1") = "9"
    & skf18("6","6","10","2","9","8","1") = "9"
    & skf18("6","6","10","2","9","9","1") = "9"
    & skf18("6","6","10","2","9","10","1") = "9"
    & skf18("6","6","10","2","10","1","1") = "9"
    & skf18("6","6","10","2","10","2","1") = "9"
    & skf18("6","6","10","2","10","3","1") = "9"
    & skf18("6","6","10","2","10","4","1") = "9"
    & skf18("6","6","10","2","10","5","1") = "9"
    & skf18("6","6","10","2","10","6","1") = "9"
    & skf18("6","6","10","2","10","7","1") = "9"
    & skf18("6","6","10","2","10","8","1") = "9"
    & skf18("6","6","10","2","10","9","1") = "9"
    & skf18("6","6","10","2","10","10","1") = "9"
    & skf18("6","6","10","3","1","1","1") = "9"
    & skf18("6","6","10","3","1","2","1") = "9"
    & skf18("6","6","10","3","1","3","1") = "9"
    & skf18("6","6","10","3","1","4","1") = "9"
    & skf18("6","6","10","3","1","5","1") = "9"
    & skf18("6","6","10","3","1","6","1") = "9"
    & skf18("6","6","10","3","1","7","1") = "9"
    & skf18("6","6","10","3","1","8","1") = "9"
    & skf18("6","6","10","3","1","9","1") = "9"
    & skf18("6","6","10","3","1","10","1") = "9"
    & skf18("6","6","10","3","2","1","1") = "9"
    & skf18("6","6","10","3","2","2","1") = "9"
    & skf18("6","6","10","3","2","3","1") = "9"
    & skf18("6","6","10","3","2","4","1") = "9"
    & skf18("6","6","10","3","2","5","1") = "9"
    & skf18("6","6","10","3","2","6","1") = "9"
    & skf18("6","6","10","3","2","7","1") = "9"
    & skf18("6","6","10","3","2","8","1") = "9"
    & skf18("6","6","10","3","2","9","1") = "9"
    & skf18("6","6","10","3","2","10","1") = "9"
    & skf18("6","6","10","3","3","1","1") = "9"
    & skf18("6","6","10","3","3","2","1") = "9"
    & skf18("6","6","10","3","3","3","1") = "9"
    & skf18("6","6","10","3","3","4","1") = "9"
    & skf18("6","6","10","3","3","5","1") = "9"
    & skf18("6","6","10","3","3","6","1") = "9"
    & skf18("6","6","10","3","3","7","1") = "9"
    & skf18("6","6","10","3","3","8","1") = "9"
    & skf18("6","6","10","3","3","9","1") = "9"
    & skf18("6","6","10","3","3","10","1") = "9"
    & skf18("6","6","10","3","4","1","1") = "9"
    & skf18("6","6","10","3","4","2","1") = "9"
    & skf18("6","6","10","3","4","3","1") = "9"
    & skf18("6","6","10","3","4","4","1") = "9"
    & skf18("6","6","10","3","4","5","1") = "9"
    & skf18("6","6","10","3","4","6","1") = "9"
    & skf18("6","6","10","3","4","7","1") = "9"
    & skf18("6","6","10","3","4","8","1") = "9"
    & skf18("6","6","10","3","4","9","1") = "9"
    & skf18("6","6","10","3","4","10","1") = "9"
    & skf18("6","6","10","3","5","1","1") = "9"
    & skf18("6","6","10","3","5","2","1") = "9"
    & skf18("6","6","10","3","5","3","1") = "9"
    & skf18("6","6","10","3","5","4","1") = "9"
    & skf18("6","6","10","3","5","5","1") = "9"
    & skf18("6","6","10","3","5","6","1") = "9"
    & skf18("6","6","10","3","5","7","1") = "9"
    & skf18("6","6","10","3","5","8","1") = "9"
    & skf18("6","6","10","3","5","9","1") = "9"
    & skf18("6","6","10","3","5","10","1") = "9"
    & skf18("6","6","10","3","6","1","1") = "9"
    & skf18("6","6","10","3","6","2","1") = "9"
    & skf18("6","6","10","3","6","3","1") = "9"
    & skf18("6","6","10","3","6","4","1") = "9"
    & skf18("6","6","10","3","6","5","1") = "9"
    & skf18("6","6","10","3","6","6","1") = "9"
    & skf18("6","6","10","3","6","7","1") = "9"
    & skf18("6","6","10","3","6","8","1") = "9"
    & skf18("6","6","10","3","6","9","1") = "9"
    & skf18("6","6","10","3","6","10","1") = "9"
    & skf18("6","6","10","3","7","1","1") = "9"
    & skf18("6","6","10","3","7","2","1") = "9"
    & skf18("6","6","10","3","7","3","1") = "9"
    & skf18("6","6","10","3","7","4","1") = "9"
    & skf18("6","6","10","3","7","5","1") = "9"
    & skf18("6","6","10","3","7","6","1") = "9"
    & skf18("6","6","10","3","7","7","1") = "9"
    & skf18("6","6","10","3","7","8","1") = "9"
    & skf18("6","6","10","3","7","9","1") = "9"
    & skf18("6","6","10","3","7","10","1") = "9"
    & skf18("6","6","10","3","8","1","1") = "9"
    & skf18("6","6","10","3","8","2","1") = "9"
    & skf18("6","6","10","3","8","3","1") = "9"
    & skf18("6","6","10","3","8","4","1") = "9"
    & skf18("6","6","10","3","8","5","1") = "9"
    & skf18("6","6","10","3","8","6","1") = "9"
    & skf18("6","6","10","3","8","7","1") = "9"
    & skf18("6","6","10","3","8","8","1") = "9"
    & skf18("6","6","10","3","8","9","1") = "9"
    & skf18("6","6","10","3","8","10","1") = "9"
    & skf18("6","6","10","3","9","1","1") = "9"
    & skf18("6","6","10","3","9","2","1") = "9"
    & skf18("6","6","10","3","9","3","1") = "9"
    & skf18("6","6","10","3","9","4","1") = "9"
    & skf18("6","6","10","3","9","5","1") = "9"
    & skf18("6","6","10","3","9","6","1") = "9"
    & skf18("6","6","10","3","9","7","1") = "9"
    & skf18("6","6","10","3","9","8","1") = "9"
    & skf18("6","6","10","3","9","9","1") = "9"
    & skf18("6","6","10","3","9","10","1") = "9"
    & skf18("6","6","10","3","10","1","1") = "9"
    & skf18("6","6","10","3","10","2","1") = "9"
    & skf18("6","6","10","3","10","3","1") = "9"
    & skf18("6","6","10","3","10","4","1") = "9"
    & skf18("6","6","10","3","10","5","1") = "9"
    & skf18("6","6","10","3","10","6","1") = "9"
    & skf18("6","6","10","3","10","7","1") = "9"
    & skf18("6","6","10","3","10","8","1") = "9"
    & skf18("6","6","10","3","10","9","1") = "9"
    & skf18("6","6","10","3","10","10","1") = "9"
    & skf18("6","6","10","4","1","1","1") = "9"
    & skf18("6","6","10","4","1","2","1") = "9"
    & skf18("6","6","10","4","1","3","1") = "9"
    & skf18("6","6","10","4","1","4","1") = "9"
    & skf18("6","6","10","4","1","5","1") = "9"
    & skf18("6","6","10","4","1","6","1") = "9"
    & skf18("6","6","10","4","1","7","1") = "9"
    & skf18("6","6","10","4","1","8","1") = "9"
    & skf18("6","6","10","4","1","9","1") = "9"
    & skf18("6","6","10","4","1","10","1") = "9"
    & skf18("6","6","10","4","2","1","1") = "9"
    & skf18("6","6","10","4","2","2","1") = "9"
    & skf18("6","6","10","4","2","3","1") = "9"
    & skf18("6","6","10","4","2","4","1") = "9"
    & skf18("6","6","10","4","2","5","1") = "9"
    & skf18("6","6","10","4","2","6","1") = "9"
    & skf18("6","6","10","4","2","7","1") = "9"
    & skf18("6","6","10","4","2","8","1") = "9"
    & skf18("6","6","10","4","2","9","1") = "9"
    & skf18("6","6","10","4","2","10","1") = "9"
    & skf18("6","6","10","4","3","1","1") = "9"
    & skf18("6","6","10","4","3","2","1") = "9"
    & skf18("6","6","10","4","3","3","1") = "9"
    & skf18("6","6","10","4","3","4","1") = "9"
    & skf18("6","6","10","4","3","5","1") = "9"
    & skf18("6","6","10","4","3","6","1") = "9"
    & skf18("6","6","10","4","3","7","1") = "9"
    & skf18("6","6","10","4","3","8","1") = "9"
    & skf18("6","6","10","4","3","9","1") = "9"
    & skf18("6","6","10","4","3","10","1") = "9"
    & skf18("6","6","10","4","4","1","1") = "9"
    & skf18("6","6","10","4","4","2","1") = "9"
    & skf18("6","6","10","4","4","3","1") = "9"
    & skf18("6","6","10","4","4","4","1") = "9"
    & skf18("6","6","10","4","4","5","1") = "9"
    & skf18("6","6","10","4","4","6","1") = "9"
    & skf18("6","6","10","4","4","7","1") = "9"
    & skf18("6","6","10","4","4","8","1") = "9"
    & skf18("6","6","10","4","4","9","1") = "9"
    & skf18("6","6","10","4","4","10","1") = "9"
    & skf18("6","6","10","4","5","1","1") = "9"
    & skf18("6","6","10","4","5","2","1") = "9"
    & skf18("6","6","10","4","5","3","1") = "9"
    & skf18("6","6","10","4","5","4","1") = "9"
    & skf18("6","6","10","4","5","5","1") = "9"
    & skf18("6","6","10","4","5","6","1") = "9"
    & skf18("6","6","10","4","5","7","1") = "9"
    & skf18("6","6","10","4","5","8","1") = "9"
    & skf18("6","6","10","4","5","9","1") = "9"
    & skf18("6","6","10","4","5","10","1") = "9"
    & skf18("6","6","10","4","6","1","1") = "9"
    & skf18("6","6","10","4","6","2","1") = "9"
    & skf18("6","6","10","4","6","3","1") = "9"
    & skf18("6","6","10","4","6","4","1") = "9"
    & skf18("6","6","10","4","6","5","1") = "9"
    & skf18("6","6","10","4","6","6","1") = "9"
    & skf18("6","6","10","4","6","7","1") = "9"
    & skf18("6","6","10","4","6","8","1") = "9"
    & skf18("6","6","10","4","6","9","1") = "9"
    & skf18("6","6","10","4","6","10","1") = "9"
    & skf18("6","6","10","4","7","1","1") = "9"
    & skf18("6","6","10","4","7","2","1") = "9"
    & skf18("6","6","10","4","7","3","1") = "9"
    & skf18("6","6","10","4","7","4","1") = "9"
    & skf18("6","6","10","4","7","5","1") = "9"
    & skf18("6","6","10","4","7","6","1") = "9"
    & skf18("6","6","10","4","7","7","1") = "9"
    & skf18("6","6","10","4","7","8","1") = "9"
    & skf18("6","6","10","4","7","9","1") = "9"
    & skf18("6","6","10","4","7","10","1") = "9"
    & skf18("6","6","10","4","8","1","1") = "9"
    & skf18("6","6","10","4","8","2","1") = "9"
    & skf18("6","6","10","4","8","3","1") = "9"
    & skf18("6","6","10","4","8","4","1") = "9"
    & skf18("6","6","10","4","8","5","1") = "9"
    & skf18("6","6","10","4","8","6","1") = "9"
    & skf18("6","6","10","4","8","7","1") = "9"
    & skf18("6","6","10","4","8","8","1") = "9"
    & skf18("6","6","10","4","8","9","1") = "9"
    & skf18("6","6","10","4","8","10","1") = "9"
    & skf18("6","6","10","4","9","1","1") = "9"
    & skf18("6","6","10","4","9","2","1") = "9"
    & skf18("6","6","10","4","9","3","1") = "9"
    & skf18("6","6","10","4","9","4","1") = "9"
    & skf18("6","6","10","4","9","5","1") = "9"
    & skf18("6","6","10","4","9","6","1") = "9"
    & skf18("6","6","10","4","9","7","1") = "9"
    & skf18("6","6","10","4","9","8","1") = "9"
    & skf18("6","6","10","4","9","9","1") = "9"
    & skf18("6","6","10","4","9","10","1") = "9"
    & skf18("6","6","10","4","10","1","1") = "9"
    & skf18("6","6","10","4","10","2","1") = "9"
    & skf18("6","6","10","4","10","3","1") = "9"
    & skf18("6","6","10","4","10","4","1") = "9"
    & skf18("6","6","10","4","10","5","1") = "9"
    & skf18("6","6","10","4","10","6","1") = "9"
    & skf18("6","6","10","4","10","7","1") = "9"
    & skf18("6","6","10","4","10","8","1") = "9"
    & skf18("6","6","10","4","10","9","1") = "9"
    & skf18("6","6","10","4","10","10","1") = "9"
    & skf18("6","6","10","5","1","1","1") = "9"
    & skf18("6","6","10","5","1","2","1") = "9"
    & skf18("6","6","10","5","1","3","1") = "9"
    & skf18("6","6","10","5","1","4","1") = "9"
    & skf18("6","6","10","5","1","5","1") = "9"
    & skf18("6","6","10","5","1","6","1") = "9"
    & skf18("6","6","10","5","1","7","1") = "9"
    & skf18("6","6","10","5","1","8","1") = "9"
    & skf18("6","6","10","5","1","9","1") = "9"
    & skf18("6","6","10","5","1","10","1") = "9"
    & skf18("6","6","10","5","2","1","1") = "9"
    & skf18("6","6","10","5","2","2","1") = "9"
    & skf18("6","6","10","5","2","3","1") = "9"
    & skf18("6","6","10","5","2","4","1") = "9"
    & skf18("6","6","10","5","2","5","1") = "9"
    & skf18("6","6","10","5","2","6","1") = "9"
    & skf18("6","6","10","5","2","7","1") = "9"
    & skf18("6","6","10","5","2","8","1") = "9"
    & skf18("6","6","10","5","2","9","1") = "9"
    & skf18("6","6","10","5","2","10","1") = "9"
    & skf18("6","6","10","5","3","1","1") = "9"
    & skf18("6","6","10","5","3","2","1") = "9"
    & skf18("6","6","10","5","3","3","1") = "9"
    & skf18("6","6","10","5","3","4","1") = "9"
    & skf18("6","6","10","5","3","5","1") = "9"
    & skf18("6","6","10","5","3","6","1") = "9"
    & skf18("6","6","10","5","3","7","1") = "9"
    & skf18("6","6","10","5","3","8","1") = "9"
    & skf18("6","6","10","5","3","9","1") = "9"
    & skf18("6","6","10","5","3","10","1") = "9"
    & skf18("6","6","10","5","4","1","1") = "9"
    & skf18("6","6","10","5","4","2","1") = "9"
    & skf18("6","6","10","5","4","3","1") = "9"
    & skf18("6","6","10","5","4","4","1") = "9"
    & skf18("6","6","10","5","4","5","1") = "9"
    & skf18("6","6","10","5","4","6","1") = "9"
    & skf18("6","6","10","5","4","7","1") = "9"
    & skf18("6","6","10","5","4","8","1") = "9"
    & skf18("6","6","10","5","4","9","1") = "9"
    & skf18("6","6","10","5","4","10","1") = "9"
    & skf18("6","6","10","5","5","1","1") = "9"
    & skf18("6","6","10","5","5","2","1") = "9"
    & skf18("6","6","10","5","5","3","1") = "9"
    & skf18("6","6","10","5","5","4","1") = "9"
    & skf18("6","6","10","5","5","5","1") = "9"
    & skf18("6","6","10","5","5","6","1") = "9"
    & skf18("6","6","10","5","5","7","1") = "9"
    & skf18("6","6","10","5","5","8","1") = "9"
    & skf18("6","6","10","5","5","9","1") = "9"
    & skf18("6","6","10","5","5","10","1") = "9"
    & skf18("6","6","10","5","6","1","1") = "9"
    & skf18("6","6","10","5","6","2","1") = "9"
    & skf18("6","6","10","5","6","3","1") = "9"
    & skf18("6","6","10","5","6","4","1") = "9"
    & skf18("6","6","10","5","6","5","1") = "9"
    & skf18("6","6","10","5","6","6","1") = "9"
    & skf18("6","6","10","5","6","7","1") = "9"
    & skf18("6","6","10","5","6","8","1") = "9"
    & skf18("6","6","10","5","6","9","1") = "9"
    & skf18("6","6","10","5","6","10","1") = "9"
    & skf18("6","6","10","5","7","1","1") = "9"
    & skf18("6","6","10","5","7","2","1") = "9"
    & skf18("6","6","10","5","7","3","1") = "9"
    & skf18("6","6","10","5","7","4","1") = "9"
    & skf18("6","6","10","5","7","5","1") = "9"
    & skf18("6","6","10","5","7","6","1") = "9"
    & skf18("6","6","10","5","7","7","1") = "9"
    & skf18("6","6","10","5","7","8","1") = "9"
    & skf18("6","6","10","5","7","9","1") = "9"
    & skf18("6","6","10","5","7","10","1") = "9"
    & skf18("6","6","10","5","8","1","1") = "9"
    & skf18("6","6","10","5","8","2","1") = "9"
    & skf18("6","6","10","5","8","3","1") = "9"
    & skf18("6","6","10","5","8","4","1") = "9"
    & skf18("6","6","10","5","8","5","1") = "9"
    & skf18("6","6","10","5","8","6","1") = "9"
    & skf18("6","6","10","5","8","7","1") = "9"
    & skf18("6","6","10","5","8","8","1") = "9"
    & skf18("6","6","10","5","8","9","1") = "9"
    & skf18("6","6","10","5","8","10","1") = "9"
    & skf18("6","6","10","5","9","1","1") = "9"
    & skf18("6","6","10","5","9","2","1") = "9"
    & skf18("6","6","10","5","9","3","1") = "9"
    & skf18("6","6","10","5","9","4","1") = "9"
    & skf18("6","6","10","5","9","5","1") = "9"
    & skf18("6","6","10","5","9","6","1") = "9"
    & skf18("6","6","10","5","9","7","1") = "9"
    & skf18("6","6","10","5","9","8","1") = "9"
    & skf18("6","6","10","5","9","9","1") = "9"
    & skf18("6","6","10","5","9","10","1") = "9"
    & skf18("6","6","10","5","10","1","1") = "9"
    & skf18("6","6","10","5","10","2","1") = "9"
    & skf18("6","6","10","5","10","3","1") = "9"
    & skf18("6","6","10","5","10","4","1") = "9"
    & skf18("6","6","10","5","10","5","1") = "9"
    & skf18("6","6","10","5","10","6","1") = "9"
    & skf18("6","6","10","5","10","7","1") = "9"
    & skf18("6","6","10","5","10","8","1") = "9"
    & skf18("6","6","10","5","10","9","1") = "9"
    & skf18("6","6","10","5","10","10","1") = "9"
    & skf18("6","6","10","6","1","1","1") = "9"
    & skf18("6","6","10","6","1","2","1") = "9"
    & skf18("6","6","10","6","1","3","1") = "9"
    & skf18("6","6","10","6","1","4","1") = "9"
    & skf18("6","6","10","6","1","5","1") = "9"
    & skf18("6","6","10","6","1","6","1") = "9"
    & skf18("6","6","10","6","1","7","1") = "9"
    & skf18("6","6","10","6","1","8","1") = "9"
    & skf18("6","6","10","6","1","9","1") = "9"
    & skf18("6","6","10","6","1","10","1") = "9"
    & skf18("6","6","10","6","2","1","1") = "9"
    & skf18("6","6","10","6","2","2","1") = "9"
    & skf18("6","6","10","6","2","3","1") = "9"
    & skf18("6","6","10","6","2","4","1") = "9"
    & skf18("6","6","10","6","2","5","1") = "9"
    & skf18("6","6","10","6","2","6","1") = "9"
    & skf18("6","6","10","6","2","7","1") = "9"
    & skf18("6","6","10","6","2","8","1") = "9"
    & skf18("6","6","10","6","2","9","1") = "9"
    & skf18("6","6","10","6","2","10","1") = "9"
    & skf18("6","6","10","6","3","1","1") = "9"
    & skf18("6","6","10","6","3","2","1") = "9"
    & skf18("6","6","10","6","3","3","1") = "9"
    & skf18("6","6","10","6","3","4","1") = "9"
    & skf18("6","6","10","6","3","5","1") = "9"
    & skf18("6","6","10","6","3","6","1") = "9"
    & skf18("6","6","10","6","3","7","1") = "9"
    & skf18("6","6","10","6","3","8","1") = "9"
    & skf18("6","6","10","6","3","9","1") = "9"
    & skf18("6","6","10","6","3","10","1") = "9"
    & skf18("6","6","10","6","4","1","1") = "9"
    & skf18("6","6","10","6","4","2","1") = "9"
    & skf18("6","6","10","6","4","3","1") = "9"
    & skf18("6","6","10","6","4","4","1") = "9"
    & skf18("6","6","10","6","4","5","1") = "9"
    & skf18("6","6","10","6","4","6","1") = "9"
    & skf18("6","6","10","6","4","7","1") = "9"
    & skf18("6","6","10","6","4","8","1") = "9"
    & skf18("6","6","10","6","4","9","1") = "9"
    & skf18("6","6","10","6","4","10","1") = "9"
    & skf18("6","6","10","6","5","1","1") = "9"
    & skf18("6","6","10","6","5","2","1") = "9"
    & skf18("6","6","10","6","5","3","1") = "9"
    & skf18("6","6","10","6","5","4","1") = "9"
    & skf18("6","6","10","6","5","5","1") = "9"
    & skf18("6","6","10","6","5","6","1") = "9"
    & skf18("6","6","10","6","5","7","1") = "9"
    & skf18("6","6","10","6","5","8","1") = "9"
    & skf18("6","6","10","6","5","9","1") = "9"
    & skf18("6","6","10","6","5","10","1") = "9"
    & skf18("6","6","10","6","6","1","1") = "9"
    & skf18("6","6","10","6","6","2","1") = "9"
    & skf18("6","6","10","6","6","3","1") = "9"
    & skf18("6","6","10","6","6","4","1") = "9"
    & skf18("6","6","10","6","6","5","1") = "9"
    & skf18("6","6","10","6","6","6","1") = "9"
    & skf18("6","6","10","6","6","7","1") = "9"
    & skf18("6","6","10","6","6","8","1") = "9"
    & skf18("6","6","10","6","6","9","1") = "9"
    & skf18("6","6","10","6","6","10","1") = "9"
    & skf18("6","6","10","6","7","1","1") = "9"
    & skf18("6","6","10","6","7","2","1") = "9"
    & skf18("6","6","10","6","7","3","1") = "9"
    & skf18("6","6","10","6","7","4","1") = "9"
    & skf18("6","6","10","6","7","5","1") = "9"
    & skf18("6","6","10","6","7","6","1") = "9"
    & skf18("6","6","10","6","7","7","1") = "9"
    & skf18("6","6","10","6","7","8","1") = "9"
    & skf18("6","6","10","6","7","9","1") = "9"
    & skf18("6","6","10","6","7","10","1") = "9"
    & skf18("6","6","10","6","8","1","1") = "9"
    & skf18("6","6","10","6","8","2","1") = "9"
    & skf18("6","6","10","6","8","3","1") = "9"
    & skf18("6","6","10","6","8","4","1") = "9"
    & skf18("6","6","10","6","8","5","1") = "9"
    & skf18("6","6","10","6","8","6","1") = "9"
    & skf18("6","6","10","6","8","7","1") = "9"
    & skf18("6","6","10","6","8","8","1") = "9"
    & skf18("6","6","10","6","8","9","1") = "9"
    & skf18("6","6","10","6","8","10","1") = "9"
    & skf18("6","6","10","6","9","1","1") = "9"
    & skf18("6","6","10","6","9","2","1") = "9"
    & skf18("6","6","10","6","9","3","1") = "9"
    & skf18("6","6","10","6","9","4","1") = "9"
    & skf18("6","6","10","6","9","5","1") = "9"
    & skf18("6","6","10","6","9","6","1") = "9"
    & skf18("6","6","10","6","9","7","1") = "9"
    & skf18("6","6","10","6","9","8","1") = "9"
    & skf18("6","6","10","6","9","9","1") = "9"
    & skf18("6","6","10","6","9","10","1") = "9"
    & skf18("6","6","10","6","10","1","1") = "9"
    & skf18("6","6","10","6","10","2","1") = "9"
    & skf18("6","6","10","6","10","3","1") = "9"
    & skf18("6","6","10","6","10","4","1") = "9"
    & skf18("6","6","10","6","10","5","1") = "9"
    & skf18("6","6","10","6","10","6","1") = "9"
    & skf18("6","6","10","6","10","7","1") = "9"
    & skf18("6","6","10","6","10","8","1") = "9"
    & skf18("6","6","10","6","10","9","1") = "9"
    & skf18("6","6","10","6","10","10","1") = "9"
    & skf18("6","6","10","7","1","1","1") = "9"
    & skf18("6","6","10","7","1","2","1") = "9"
    & skf18("6","6","10","7","1","3","1") = "9"
    & skf18("6","6","10","7","1","4","1") = "9"
    & skf18("6","6","10","7","1","5","1") = "9"
    & skf18("6","6","10","7","1","6","1") = "9"
    & skf18("6","6","10","7","1","7","1") = "9"
    & skf18("6","6","10","7","1","8","1") = "9"
    & skf18("6","6","10","7","1","9","1") = "9"
    & skf18("6","6","10","7","1","10","1") = "9"
    & skf18("6","6","10","7","2","1","1") = "9"
    & skf18("6","6","10","7","2","2","1") = "9"
    & skf18("6","6","10","7","2","3","1") = "9"
    & skf18("6","6","10","7","2","4","1") = "9"
    & skf18("6","6","10","7","2","5","1") = "9"
    & skf18("6","6","10","7","2","6","1") = "9"
    & skf18("6","6","10","7","2","7","1") = "9"
    & skf18("6","6","10","7","2","8","1") = "9"
    & skf18("6","6","10","7","2","9","1") = "9"
    & skf18("6","6","10","7","2","10","1") = "9"
    & skf18("6","6","10","7","3","1","1") = "9"
    & skf18("6","6","10","7","3","2","1") = "9"
    & skf18("6","6","10","7","3","3","1") = "9"
    & skf18("6","6","10","7","3","4","1") = "9"
    & skf18("6","6","10","7","3","5","1") = "9"
    & skf18("6","6","10","7","3","6","1") = "9"
    & skf18("6","6","10","7","3","7","1") = "9"
    & skf18("6","6","10","7","3","8","1") = "9"
    & skf18("6","6","10","7","3","9","1") = "9"
    & skf18("6","6","10","7","3","10","1") = "9"
    & skf18("6","6","10","7","4","1","1") = "9"
    & skf18("6","6","10","7","4","2","1") = "9"
    & skf18("6","6","10","7","4","3","1") = "9"
    & skf18("6","6","10","7","4","4","1") = "9"
    & skf18("6","6","10","7","4","5","1") = "9"
    & skf18("6","6","10","7","4","6","1") = "9"
    & skf18("6","6","10","7","4","7","1") = "9"
    & skf18("6","6","10","7","4","8","1") = "9"
    & skf18("6","6","10","7","4","9","1") = "9"
    & skf18("6","6","10","7","4","10","1") = "9"
    & skf18("6","6","10","7","5","1","1") = "9"
    & skf18("6","6","10","7","5","2","1") = "9"
    & skf18("6","6","10","7","5","3","1") = "9"
    & skf18("6","6","10","7","5","4","1") = "9"
    & skf18("6","6","10","7","5","5","1") = "9"
    & skf18("6","6","10","7","5","6","1") = "9"
    & skf18("6","6","10","7","5","7","1") = "9"
    & skf18("6","6","10","7","5","8","1") = "9"
    & skf18("6","6","10","7","5","9","1") = "9"
    & skf18("6","6","10","7","5","10","1") = "9"
    & skf18("6","6","10","7","6","1","1") = "9"
    & skf18("6","6","10","7","6","2","1") = "9"
    & skf18("6","6","10","7","6","3","1") = "9"
    & skf18("6","6","10","7","6","4","1") = "9"
    & skf18("6","6","10","7","6","5","1") = "9"
    & skf18("6","6","10","7","6","6","1") = "9"
    & skf18("6","6","10","7","6","7","1") = "9"
    & skf18("6","6","10","7","6","8","1") = "9"
    & skf18("6","6","10","7","6","9","1") = "9"
    & skf18("6","6","10","7","6","10","1") = "9"
    & skf18("6","6","10","7","7","1","1") = "9"
    & skf18("6","6","10","7","7","2","1") = "9"
    & skf18("6","6","10","7","7","3","1") = "9"
    & skf18("6","6","10","7","7","4","1") = "9"
    & skf18("6","6","10","7","7","5","1") = "9"
    & skf18("6","6","10","7","7","6","1") = "9"
    & skf18("6","6","10","7","7","7","1") = "9"
    & skf18("6","6","10","7","7","8","1") = "9"
    & skf18("6","6","10","7","7","9","1") = "9"
    & skf18("6","6","10","7","7","10","1") = "9"
    & skf18("6","6","10","7","8","1","1") = "9"
    & skf18("6","6","10","7","8","2","1") = "9"
    & skf18("6","6","10","7","8","3","1") = "9"
    & skf18("6","6","10","7","8","4","1") = "9"
    & skf18("6","6","10","7","8","5","1") = "9"
    & skf18("6","6","10","7","8","6","1") = "9"
    & skf18("6","6","10","7","8","7","1") = "9"
    & skf18("6","6","10","7","8","8","1") = "9"
    & skf18("6","6","10","7","8","9","1") = "9"
    & skf18("6","6","10","7","8","10","1") = "9"
    & skf18("6","6","10","7","9","1","1") = "9"
    & skf18("6","6","10","7","9","2","1") = "9"
    & skf18("6","6","10","7","9","3","1") = "9"
    & skf18("6","6","10","7","9","4","1") = "9"
    & skf18("6","6","10","7","9","5","1") = "9"
    & skf18("6","6","10","7","9","6","1") = "9"
    & skf18("6","6","10","7","9","7","1") = "9"
    & skf18("6","6","10","7","9","8","1") = "9"
    & skf18("6","6","10","7","9","9","1") = "9"
    & skf18("6","6","10","7","9","10","1") = "9"
    & skf18("6","6","10","7","10","1","1") = "9"
    & skf18("6","6","10","7","10","2","1") = "9"
    & skf18("6","6","10","7","10","3","1") = "9"
    & skf18("6","6","10","7","10","4","1") = "9"
    & skf18("6","6","10","7","10","5","1") = "9"
    & skf18("6","6","10","7","10","6","1") = "9"
    & skf18("6","6","10","7","10","7","1") = "9"
    & skf18("6","6","10","7","10","8","1") = "9"
    & skf18("6","6","10","7","10","9","1") = "9"
    & skf18("6","6","10","7","10","10","1") = "9"
    & skf18("6","6","10","8","1","1","1") = "9"
    & skf18("6","6","10","8","1","2","1") = "9"
    & skf18("6","6","10","8","1","3","1") = "9"
    & skf18("6","6","10","8","1","4","1") = "9"
    & skf18("6","6","10","8","1","5","1") = "9"
    & skf18("6","6","10","8","1","6","1") = "9"
    & skf18("6","6","10","8","1","7","1") = "9"
    & skf18("6","6","10","8","1","8","1") = "9"
    & skf18("6","6","10","8","1","9","1") = "9"
    & skf18("6","6","10","8","1","10","1") = "9"
    & skf18("6","6","10","8","2","1","1") = "9"
    & skf18("6","6","10","8","2","2","1") = "9"
    & skf18("6","6","10","8","2","3","1") = "9"
    & skf18("6","6","10","8","2","4","1") = "9"
    & skf18("6","6","10","8","2","5","1") = "9"
    & skf18("6","6","10","8","2","6","1") = "9"
    & skf18("6","6","10","8","2","7","1") = "9"
    & skf18("6","6","10","8","2","8","1") = "9"
    & skf18("6","6","10","8","2","9","1") = "9"
    & skf18("6","6","10","8","2","10","1") = "9"
    & skf18("6","6","10","8","3","1","1") = "9"
    & skf18("6","6","10","8","3","2","1") = "9"
    & skf18("6","6","10","8","3","3","1") = "9"
    & skf18("6","6","10","8","3","4","1") = "9"
    & skf18("6","6","10","8","3","5","1") = "9"
    & skf18("6","6","10","8","3","6","1") = "9"
    & skf18("6","6","10","8","3","7","1") = "9"
    & skf18("6","6","10","8","3","8","1") = "9"
    & skf18("6","6","10","8","3","9","1") = "9"
    & skf18("6","6","10","8","3","10","1") = "9"
    & skf18("6","6","10","8","4","1","1") = "9"
    & skf18("6","6","10","8","4","2","1") = "9"
    & skf18("6","6","10","8","4","3","1") = "9"
    & skf18("6","6","10","8","4","4","1") = "9"
    & skf18("6","6","10","8","4","5","1") = "9"
    & skf18("6","6","10","8","4","6","1") = "9"
    & skf18("6","6","10","8","4","7","1") = "9"
    & skf18("6","6","10","8","4","8","1") = "9"
    & skf18("6","6","10","8","4","9","1") = "9"
    & skf18("6","6","10","8","4","10","1") = "9"
    & skf18("6","6","10","8","5","1","1") = "9"
    & skf18("6","6","10","8","5","2","1") = "9"
    & skf18("6","6","10","8","5","3","1") = "9"
    & skf18("6","6","10","8","5","4","1") = "9"
    & skf18("6","6","10","8","5","5","1") = "9"
    & skf18("6","6","10","8","5","6","1") = "9"
    & skf18("6","6","10","8","5","7","1") = "9"
    & skf18("6","6","10","8","5","8","1") = "9"
    & skf18("6","6","10","8","5","9","1") = "9"
    & skf18("6","6","10","8","5","10","1") = "9"
    & skf18("6","6","10","8","6","1","1") = "9"
    & skf18("6","6","10","8","6","2","1") = "9"
    & skf18("6","6","10","8","6","3","1") = "9"
    & skf18("6","6","10","8","6","4","1") = "9"
    & skf18("6","6","10","8","6","5","1") = "9"
    & skf18("6","6","10","8","6","6","1") = "9"
    & skf18("6","6","10","8","6","7","1") = "9"
    & skf18("6","6","10","8","6","8","1") = "9"
    & skf18("6","6","10","8","6","9","1") = "9"
    & skf18("6","6","10","8","6","10","1") = "9"
    & skf18("6","6","10","8","7","1","1") = "9"
    & skf18("6","6","10","8","7","2","1") = "9"
    & skf18("6","6","10","8","7","3","1") = "9"
    & skf18("6","6","10","8","7","4","1") = "9"
    & skf18("6","6","10","8","7","5","1") = "9"
    & skf18("6","6","10","8","7","6","1") = "9"
    & skf18("6","6","10","8","7","7","1") = "9"
    & skf18("6","6","10","8","7","8","1") = "9"
    & skf18("6","6","10","8","7","9","1") = "9"
    & skf18("6","6","10","8","7","10","1") = "9"
    & skf18("6","6","10","8","8","1","1") = "9"
    & skf18("6","6","10","8","8","2","1") = "9"
    & skf18("6","6","10","8","8","3","1") = "9"
    & skf18("6","6","10","8","8","4","1") = "9"
    & skf18("6","6","10","8","8","5","1") = "9"
    & skf18("6","6","10","8","8","6","1") = "9"
    & skf18("6","6","10","8","8","7","1") = "9"
    & skf18("6","6","10","8","8","8","1") = "9"
    & skf18("6","6","10","8","8","9","1") = "9"
    & skf18("6","6","10","8","8","10","1") = "9"
    & skf18("6","6","10","8","9","1","1") = "9"
    & skf18("6","6","10","8","9","2","1") = "9"
    & skf18("6","6","10","8","9","3","1") = "9"
    & skf18("6","6","10","8","9","4","1") = "9"
    & skf18("6","6","10","8","9","5","1") = "9"
    & skf18("6","6","10","8","9","6","1") = "9"
    & skf18("6","6","10","8","9","7","1") = "9"
    & skf18("6","6","10","8","9","8","1") = "9"
    & skf18("6","6","10","8","9","9","1") = "9"
    & skf18("6","6","10","8","9","10","1") = "9"
    & skf18("6","6","10","8","10","1","1") = "9"
    & skf18("6","6","10","8","10","2","1") = "9"
    & skf18("6","6","10","8","10","3","1") = "9"
    & skf18("6","6","10","8","10","4","1") = "9"
    & skf18("6","6","10","8","10","5","1") = "9"
    & skf18("6","6","10","8","10","6","1") = "9"
    & skf18("6","6","10","8","10","7","1") = "9"
    & skf18("6","6","10","8","10","8","1") = "9"
    & skf18("6","6","10","8","10","9","1") = "9"
    & skf18("6","6","10","8","10","10","1") = "9"
    & skf18("6","6","10","9","1","1","1") = "9"
    & skf18("6","6","10","9","1","2","1") = "9"
    & skf18("6","6","10","9","1","3","1") = "9"
    & skf18("6","6","10","9","1","4","1") = "9"
    & skf18("6","6","10","9","1","5","1") = "9"
    & skf18("6","6","10","9","1","6","1") = "9"
    & skf18("6","6","10","9","1","7","1") = "9"
    & skf18("6","6","10","9","1","8","1") = "9"
    & skf18("6","6","10","9","1","9","1") = "9"
    & skf18("6","6","10","9","1","10","1") = "9"
    & skf18("6","6","10","9","2","1","1") = "9"
    & skf18("6","6","10","9","2","2","1") = "9"
    & skf18("6","6","10","9","2","3","1") = "9"
    & skf18("6","6","10","9","2","4","1") = "9"
    & skf18("6","6","10","9","2","5","1") = "9"
    & skf18("6","6","10","9","2","6","1") = "9"
    & skf18("6","6","10","9","2","7","1") = "9"
    & skf18("6","6","10","9","2","8","1") = "9"
    & skf18("6","6","10","9","2","9","1") = "9"
    & skf18("6","6","10","9","2","10","1") = "9"
    & skf18("6","6","10","9","3","1","1") = "9"
    & skf18("6","6","10","9","3","2","1") = "9"
    & skf18("6","6","10","9","3","3","1") = "9"
    & skf18("6","6","10","9","3","4","1") = "9"
    & skf18("6","6","10","9","3","5","1") = "9"
    & skf18("6","6","10","9","3","6","1") = "9"
    & skf18("6","6","10","9","3","7","1") = "9"
    & skf18("6","6","10","9","3","8","1") = "9"
    & skf18("6","6","10","9","3","9","1") = "9"
    & skf18("6","6","10","9","3","10","1") = "9"
    & skf18("6","6","10","9","4","1","1") = "9"
    & skf18("6","6","10","9","4","2","1") = "9"
    & skf18("6","6","10","9","4","3","1") = "9"
    & skf18("6","6","10","9","4","4","1") = "9"
    & skf18("6","6","10","9","4","5","1") = "9"
    & skf18("6","6","10","9","4","6","1") = "9"
    & skf18("6","6","10","9","4","7","1") = "9"
    & skf18("6","6","10","9","4","8","1") = "9"
    & skf18("6","6","10","9","4","9","1") = "9"
    & skf18("6","6","10","9","4","10","1") = "9"
    & skf18("6","6","10","9","5","1","1") = "9"
    & skf18("6","6","10","9","5","2","1") = "9"
    & skf18("6","6","10","9","5","3","1") = "9"
    & skf18("6","6","10","9","5","4","1") = "9"
    & skf18("6","6","10","9","5","5","1") = "9"
    & skf18("6","6","10","9","5","6","1") = "9"
    & skf18("6","6","10","9","5","7","1") = "9"
    & skf18("6","6","10","9","5","8","1") = "9"
    & skf18("6","6","10","9","5","9","1") = "9"
    & skf18("6","6","10","9","5","10","1") = "9"
    & skf18("6","6","10","9","6","1","1") = "9"
    & skf18("6","6","10","9","6","2","1") = "9"
    & skf18("6","6","10","9","6","3","1") = "9"
    & skf18("6","6","10","9","6","4","1") = "9"
    & skf18("6","6","10","9","6","5","1") = "9"
    & skf18("6","6","10","9","6","6","1") = "9"
    & skf18("6","6","10","9","6","7","1") = "9"
    & skf18("6","6","10","9","6","8","1") = "9"
    & skf18("6","6","10","9","6","9","1") = "9"
    & skf18("6","6","10","9","6","10","1") = "9"
    & skf18("6","6","10","9","7","1","1") = "9"
    & skf18("6","6","10","9","7","2","1") = "9"
    & skf18("6","6","10","9","7","3","1") = "9"
    & skf18("6","6","10","9","7","4","1") = "9"
    & skf18("6","6","10","9","7","5","1") = "9"
    & skf18("6","6","10","9","7","6","1") = "9"
    & skf18("6","6","10","9","7","7","1") = "9"
    & skf18("6","6","10","9","7","8","1") = "9"
    & skf18("6","6","10","9","7","9","1") = "9"
    & skf18("6","6","10","9","7","10","1") = "9"
    & skf18("6","6","10","9","8","1","1") = "9"
    & skf18("6","6","10","9","8","2","1") = "9"
    & skf18("6","6","10","9","8","3","1") = "9"
    & skf18("6","6","10","9","8","4","1") = "9"
    & skf18("6","6","10","9","8","5","1") = "9"
    & skf18("6","6","10","9","8","6","1") = "9"
    & skf18("6","6","10","9","8","7","1") = "9"
    & skf18("6","6","10","9","8","8","1") = "9"
    & skf18("6","6","10","9","8","9","1") = "9"
    & skf18("6","6","10","9","8","10","1") = "9"
    & skf18("6","6","10","9","9","1","1") = "9"
    & skf18("6","6","10","9","9","2","1") = "9"
    & skf18("6","6","10","9","9","3","1") = "9"
    & skf18("6","6","10","9","9","4","1") = "9"
    & skf18("6","6","10","9","9","5","1") = "9"
    & skf18("6","6","10","9","9","6","1") = "9"
    & skf18("6","6","10","9","9","7","1") = "9"
    & skf18("6","6","10","9","9","8","1") = "9"
    & skf18("6","6","10","9","9","9","1") = "9"
    & skf18("6","6","10","9","9","10","1") = "9"
    & skf18("6","6","10","9","10","1","1") = "9"
    & skf18("6","6","10","9","10","2","1") = "9"
    & skf18("6","6","10","9","10","3","1") = "9"
    & skf18("6","6","10","9","10","4","1") = "9"
    & skf18("6","6","10","9","10","5","1") = "9"
    & skf18("6","6","10","9","10","6","1") = "9"
    & skf18("6","6","10","9","10","7","1") = "9"
    & skf18("6","6","10","9","10","8","1") = "9"
    & skf18("6","6","10","9","10","9","1") = "9"
    & skf18("6","6","10","9","10","10","1") = "9"
    & skf18("6","6","10","10","1","1","1") = "9"
    & skf18("6","6","10","10","1","2","1") = "9"
    & skf18("6","6","10","10","1","3","1") = "9"
    & skf18("6","6","10","10","1","4","1") = "9"
    & skf18("6","6","10","10","1","5","1") = "9"
    & skf18("6","6","10","10","1","6","1") = "9"
    & skf18("6","6","10","10","1","7","1") = "9"
    & skf18("6","6","10","10","1","8","1") = "9"
    & skf18("6","6","10","10","1","9","1") = "9"
    & skf18("6","6","10","10","1","10","1") = "9"
    & skf18("6","6","10","10","2","1","1") = "9"
    & skf18("6","6","10","10","2","2","1") = "9"
    & skf18("6","6","10","10","2","3","1") = "9"
    & skf18("6","6","10","10","2","4","1") = "9"
    & skf18("6","6","10","10","2","5","1") = "9"
    & skf18("6","6","10","10","2","6","1") = "9"
    & skf18("6","6","10","10","2","7","1") = "9"
    & skf18("6","6","10","10","2","8","1") = "9"
    & skf18("6","6","10","10","2","9","1") = "9"
    & skf18("6","6","10","10","2","10","1") = "9"
    & skf18("6","6","10","10","3","1","1") = "9"
    & skf18("6","6","10","10","3","2","1") = "9"
    & skf18("6","6","10","10","3","3","1") = "9"
    & skf18("6","6","10","10","3","4","1") = "9"
    & skf18("6","6","10","10","3","5","1") = "9"
    & skf18("6","6","10","10","3","6","1") = "9"
    & skf18("6","6","10","10","3","7","1") = "9"
    & skf18("6","6","10","10","3","8","1") = "9"
    & skf18("6","6","10","10","3","9","1") = "9"
    & skf18("6","6","10","10","3","10","1") = "9"
    & skf18("6","6","10","10","4","1","1") = "9"
    & skf18("6","6","10","10","4","2","1") = "9"
    & skf18("6","6","10","10","4","3","1") = "9"
    & skf18("6","6","10","10","4","4","1") = "9"
    & skf18("6","6","10","10","4","5","1") = "9"
    & skf18("6","6","10","10","4","6","1") = "9"
    & skf18("6","6","10","10","4","7","1") = "9"
    & skf18("6","6","10","10","4","8","1") = "9"
    & skf18("6","6","10","10","4","9","1") = "9"
    & skf18("6","6","10","10","4","10","1") = "9"
    & skf18("6","6","10","10","5","1","1") = "9"
    & skf18("6","6","10","10","5","2","1") = "9"
    & skf18("6","6","10","10","5","3","1") = "9"
    & skf18("6","6","10","10","5","4","1") = "9"
    & skf18("6","6","10","10","5","5","1") = "9"
    & skf18("6","6","10","10","5","6","1") = "9"
    & skf18("6","6","10","10","5","7","1") = "9"
    & skf18("6","6","10","10","5","8","1") = "9"
    & skf18("6","6","10","10","5","9","1") = "9"
    & skf18("6","6","10","10","5","10","1") = "9"
    & skf18("6","6","10","10","6","1","1") = "9"
    & skf18("6","6","10","10","6","2","1") = "9"
    & skf18("6","6","10","10","6","3","1") = "9"
    & skf18("6","6","10","10","6","4","1") = "9"
    & skf18("6","6","10","10","6","5","1") = "9"
    & skf18("6","6","10","10","6","6","1") = "9"
    & skf18("6","6","10","10","6","7","1") = "9"
    & skf18("6","6","10","10","6","8","1") = "9"
    & skf18("6","6","10","10","6","9","1") = "9"
    & skf18("6","6","10","10","6","10","1") = "9"
    & skf18("6","6","10","10","7","1","1") = "9"
    & skf18("6","6","10","10","7","2","1") = "9"
    & skf18("6","6","10","10","7","3","1") = "9"
    & skf18("6","6","10","10","7","4","1") = "9"
    & skf18("6","6","10","10","7","5","1") = "9"
    & skf18("6","6","10","10","7","6","1") = "9"
    & skf18("6","6","10","10","7","7","1") = "9"
    & skf18("6","6","10","10","7","8","1") = "9"
    & skf18("6","6","10","10","7","9","1") = "9"
    & skf18("6","6","10","10","7","10","1") = "9"
    & skf18("6","6","10","10","8","1","1") = "9"
    & skf18("6","6","10","10","8","2","1") = "9"
    & skf18("6","6","10","10","8","3","1") = "9"
    & skf18("6","6","10","10","8","4","1") = "9"
    & skf18("6","6","10","10","8","5","1") = "9"
    & skf18("6","6","10","10","8","6","1") = "9"
    & skf18("6","6","10","10","8","7","1") = "9"
    & skf18("6","6","10","10","8","8","1") = "9"
    & skf18("6","6","10","10","8","9","1") = "9"
    & skf18("6","6","10","10","8","10","1") = "9"
    & skf18("6","6","10","10","9","1","1") = "9"
    & skf18("6","6","10","10","9","2","1") = "9"
    & skf18("6","6","10","10","9","3","1") = "9"
    & skf18("6","6","10","10","9","4","1") = "9"
    & skf18("6","6","10","10","9","5","1") = "9"
    & skf18("6","6","10","10","9","6","1") = "9"
    & skf18("6","6","10","10","9","7","1") = "9"
    & skf18("6","6","10","10","9","8","1") = "9"
    & skf18("6","6","10","10","9","9","1") = "9"
    & skf18("6","6","10","10","9","10","1") = "9"
    & skf18("6","6","10","10","10","1","1") = "9"
    & skf18("6","6","10","10","10","2","1") = "9"
    & skf18("6","6","10","10","10","3","1") = "9"
    & skf18("6","6","10","10","10","4","1") = "9"
    & skf18("6","6","10","10","10","5","1") = "9"
    & skf18("6","6","10","10","10","6","1") = "9"
    & skf18("6","6","10","10","10","7","1") = "9"
    & skf18("6","6","10","10","10","8","1") = "9"
    & skf18("6","6","10","10","10","9","1") = "9"
    & skf18("6","6","10","10","10","10","1") = "9"
    & skf18("6","7","1","1","1","1","1") = "6"
    & skf18("6","7","1","1","1","2","1") = "6"
    & skf18("6","7","1","1","1","3","1") = "6"
    & skf18("6","7","1","1","1","4","1") = "6"
    & skf18("6","7","1","1","1","5","1") = "6"
    & skf18("6","7","1","1","1","6","1") = "6"
    & skf18("6","7","1","1","1","7","1") = "6"
    & skf18("6","7","1","1","1","8","1") = "7"
    & skf18("6","7","1","1","1","9","1") = "8"
    & skf18("6","7","1","1","1","10","1") = "9"
    & skf18("6","7","1","1","2","1","1") = "6"
    & skf18("6","7","1","1","2","2","1") = "6"
    & skf18("6","7","1","1","2","3","1") = "6"
    & skf18("6","7","1","1","2","4","1") = "6"
    & skf18("6","7","1","1","2","5","1") = "6"
    & skf18("6","7","1","1","2","6","1") = "6"
    & skf18("6","7","1","1","2","7","1") = "6"
    & skf18("6","7","1","1","2","8","1") = "7"
    & skf18("6","7","1","1","2","9","1") = "8"
    & skf18("6","7","1","1","2","10","1") = "9"
    & skf18("6","7","1","1","3","1","1") = "6"
    & skf18("6","7","1","1","3","2","1") = "6"
    & skf18("6","7","1","1","3","3","1") = "6"
    & skf18("6","7","1","1","3","4","1") = "6"
    & skf18("6","7","1","1","3","5","1") = "6"
    & skf18("6","7","1","1","3","6","1") = "6"
    & skf18("6","7","1","1","3","7","1") = "6"
    & skf18("6","7","1","1","3","8","1") = "7"
    & skf18("6","7","1","1","3","9","1") = "8"
    & skf18("6","7","1","1","3","10","1") = "9"
    & skf18("6","7","1","1","4","1","1") = "6"
    & skf18("6","7","1","1","4","2","1") = "6"
    & skf18("6","7","1","1","4","3","1") = "6"
    & skf18("6","7","1","1","4","4","1") = "6"
    & skf18("6","7","1","1","4","5","1") = "6"
    & skf18("6","7","1","1","4","6","1") = "6"
    & skf18("6","7","1","1","4","7","1") = "6"
    & skf18("6","7","1","1","4","8","1") = "7"
    & skf18("6","7","1","1","4","9","1") = "8"
    & skf18("6","7","1","1","4","10","1") = "9"
    & skf18("6","7","1","1","5","1","1") = "6"
    & skf18("6","7","1","1","5","2","1") = "6"
    & skf18("6","7","1","1","5","3","1") = "6"
    & skf18("6","7","1","1","5","4","1") = "6"
    & skf18("6","7","1","1","5","5","1") = "6"
    & skf18("6","7","1","1","5","6","1") = "6"
    & skf18("6","7","1","1","5","7","1") = "6"
    & skf18("6","7","1","1","5","8","1") = "7"
    & skf18("6","7","1","1","5","9","1") = "8"
    & skf18("6","7","1","1","5","10","1") = "9"
    & skf18("6","7","1","1","6","1","1") = "6"
    & skf18("6","7","1","1","6","2","1") = "6"
    & skf18("6","7","1","1","6","3","1") = "6"
    & skf18("6","7","1","1","6","4","1") = "6"
    & skf18("6","7","1","1","6","5","1") = "6"
    & skf18("6","7","1","1","6","6","1") = "6"
    & skf18("6","7","1","1","6","7","1") = "6"
    & skf18("6","7","1","1","6","8","1") = "7"
    & skf18("6","7","1","1","6","9","1") = "8"
    & skf18("6","7","1","1","6","10","1") = "9"
    & skf18("6","7","1","1","7","1","1") = "6"
    & skf18("6","7","1","1","7","2","1") = "6"
    & skf18("6","7","1","1","7","3","1") = "6"
    & skf18("6","7","1","1","7","4","1") = "6"
    & skf18("6","7","1","1","7","5","1") = "6"
    & skf18("6","7","1","1","7","6","1") = "6"
    & skf18("6","7","1","1","7","7","1") = "6"
    & skf18("6","7","1","1","7","8","1") = "7"
    & skf18("6","7","1","1","7","9","1") = "8"
    & skf18("6","7","1","1","7","10","1") = "9"
    & skf18("6","7","1","1","8","1","1") = "7"
    & skf18("6","7","1","1","8","2","1") = "7"
    & skf18("6","7","1","1","8","3","1") = "7"
    & skf18("6","7","1","1","8","4","1") = "7"
    & skf18("6","7","1","1","8","5","1") = "7"
    & skf18("6","7","1","1","8","6","1") = "7"
    & skf18("6","7","1","1","8","7","1") = "7"
    & skf18("6","7","1","1","8","8","1") = "7"
    & skf18("6","7","1","1","8","9","1") = "8"
    & skf18("6","7","1","1","8","10","1") = "9"
    & skf18("6","7","1","1","9","1","1") = "8"
    & skf18("6","7","1","1","9","2","1") = "8"
    & skf18("6","7","1","1","9","3","1") = "8"
    & skf18("6","7","1","1","9","4","1") = "8"
    & skf18("6","7","1","1","9","5","1") = "8"
    & skf18("6","7","1","1","9","6","1") = "8"
    & skf18("6","7","1","1","9","7","1") = "8"
    & skf18("6","7","1","1","9","8","1") = "8"
    & skf18("6","7","1","1","9","9","1") = "8"
    & skf18("6","7","1","1","9","10","1") = "9"
    & skf18("6","7","1","1","10","1","1") = "9"
    & skf18("6","7","1","1","10","2","1") = "9"
    & skf18("6","7","1","1","10","3","1") = "9"
    & skf18("6","7","1","1","10","4","1") = "9"
    & skf18("6","7","1","1","10","5","1") = "9"
    & skf18("6","7","1","1","10","6","1") = "9"
    & skf18("6","7","1","1","10","7","1") = "9"
    & skf18("6","7","1","1","10","8","1") = "9"
    & skf18("6","7","1","1","10","9","1") = "9"
    & skf18("6","7","1","1","10","10","1") = "9"
    & skf18("6","7","1","2","1","1","1") = "6"
    & skf18("6","7","1","2","1","2","1") = "6"
    & skf18("6","7","1","2","1","3","1") = "6"
    & skf18("6","7","1","2","1","4","1") = "6"
    & skf18("6","7","1","2","1","5","1") = "6"
    & skf18("6","7","1","2","1","6","1") = "6"
    & skf18("6","7","1","2","1","7","1") = "6"
    & skf18("6","7","1","2","1","8","1") = "7"
    & skf18("6","7","1","2","1","9","1") = "8"
    & skf18("6","7","1","2","1","10","1") = "9"
    & skf18("6","7","1","2","2","1","1") = "6"
    & skf18("6","7","1","2","2","2","1") = "6"
    & skf18("6","7","1","2","2","3","1") = "6"
    & skf18("6","7","1","2","2","4","1") = "6"
    & skf18("6","7","1","2","2","5","1") = "6"
    & skf18("6","7","1","2","2","6","1") = "6"
    & skf18("6","7","1","2","2","7","1") = "6"
    & skf18("6","7","1","2","2","8","1") = "7"
    & skf18("6","7","1","2","2","9","1") = "8"
    & skf18("6","7","1","2","2","10","1") = "9"
    & skf18("6","7","1","2","3","1","1") = "6"
    & skf18("6","7","1","2","3","2","1") = "6"
    & skf18("6","7","1","2","3","3","1") = "6"
    & skf18("6","7","1","2","3","4","1") = "6"
    & skf18("6","7","1","2","3","5","1") = "6"
    & skf18("6","7","1","2","3","6","1") = "6"
    & skf18("6","7","1","2","3","7","1") = "6"
    & skf18("6","7","1","2","3","8","1") = "7"
    & skf18("6","7","1","2","3","9","1") = "8"
    & skf18("6","7","1","2","3","10","1") = "9"
    & skf18("6","7","1","2","4","1","1") = "6"
    & skf18("6","7","1","2","4","2","1") = "6"
    & skf18("6","7","1","2","4","3","1") = "6"
    & skf18("6","7","1","2","4","4","1") = "6"
    & skf18("6","7","1","2","4","5","1") = "6"
    & skf18("6","7","1","2","4","6","1") = "6"
    & skf18("6","7","1","2","4","7","1") = "6"
    & skf18("6","7","1","2","4","8","1") = "7"
    & skf18("6","7","1","2","4","9","1") = "8"
    & skf18("6","7","1","2","4","10","1") = "9"
    & skf18("6","7","1","2","5","1","1") = "6"
    & skf18("6","7","1","2","5","2","1") = "6"
    & skf18("6","7","1","2","5","3","1") = "6"
    & skf18("6","7","1","2","5","4","1") = "6"
    & skf18("6","7","1","2","5","5","1") = "6"
    & skf18("6","7","1","2","5","6","1") = "6"
    & skf18("6","7","1","2","5","7","1") = "6"
    & skf18("6","7","1","2","5","8","1") = "7"
    & skf18("6","7","1","2","5","9","1") = "8"
    & skf18("6","7","1","2","5","10","1") = "9"
    & skf18("6","7","1","2","6","1","1") = "6"
    & skf18("6","7","1","2","6","2","1") = "6"
    & skf18("6","7","1","2","6","3","1") = "6"
    & skf18("6","7","1","2","6","4","1") = "6"
    & skf18("6","7","1","2","6","5","1") = "6"
    & skf18("6","7","1","2","6","6","1") = "6"
    & skf18("6","7","1","2","6","7","1") = "6"
    & skf18("6","7","1","2","6","8","1") = "7"
    & skf18("6","7","1","2","6","9","1") = "8"
    & skf18("6","7","1","2","6","10","1") = "9"
    & skf18("6","7","1","2","7","1","1") = "6"
    & skf18("6","7","1","2","7","2","1") = "6"
    & skf18("6","7","1","2","7","3","1") = "6"
    & skf18("6","7","1","2","7","4","1") = "6"
    & skf18("6","7","1","2","7","5","1") = "6"
    & skf18("6","7","1","2","7","6","1") = "6"
    & skf18("6","7","1","2","7","7","1") = "6"
    & skf18("6","7","1","2","7","8","1") = "7"
    & skf18("6","7","1","2","7","9","1") = "8"
    & skf18("6","7","1","2","7","10","1") = "9"
    & skf18("6","7","1","2","8","1","1") = "7"
    & skf18("6","7","1","2","8","2","1") = "7"
    & skf18("6","7","1","2","8","3","1") = "7"
    & skf18("6","7","1","2","8","4","1") = "7"
    & skf18("6","7","1","2","8","5","1") = "7"
    & skf18("6","7","1","2","8","6","1") = "7"
    & skf18("6","7","1","2","8","7","1") = "7"
    & skf18("6","7","1","2","8","8","1") = "7"
    & skf18("6","7","1","2","8","9","1") = "8"
    & skf18("6","7","1","2","8","10","1") = "9"
    & skf18("6","7","1","2","9","1","1") = "8"
    & skf18("6","7","1","2","9","2","1") = "8"
    & skf18("6","7","1","2","9","3","1") = "8"
    & skf18("6","7","1","2","9","4","1") = "8"
    & skf18("6","7","1","2","9","5","1") = "8"
    & skf18("6","7","1","2","9","6","1") = "8"
    & skf18("6","7","1","2","9","7","1") = "8"
    & skf18("6","7","1","2","9","8","1") = "8"
    & skf18("6","7","1","2","9","9","1") = "8"
    & skf18("6","7","1","2","9","10","1") = "9"
    & skf18("6","7","1","2","10","1","1") = "9"
    & skf18("6","7","1","2","10","2","1") = "9"
    & skf18("6","7","1","2","10","3","1") = "9"
    & skf18("6","7","1","2","10","4","1") = "9"
    & skf18("6","7","1","2","10","5","1") = "9"
    & skf18("6","7","1","2","10","6","1") = "9"
    & skf18("6","7","1","2","10","7","1") = "9"
    & skf18("6","7","1","2","10","8","1") = "9"
    & skf18("6","7","1","2","10","9","1") = "9"
    & skf18("6","7","1","2","10","10","1") = "9"
    & skf18("6","7","1","3","1","1","1") = "6"
    & skf18("6","7","1","3","1","2","1") = "6"
    & skf18("6","7","1","3","1","3","1") = "6"
    & skf18("6","7","1","3","1","4","1") = "6"
    & skf18("6","7","1","3","1","5","1") = "6"
    & skf18("6","7","1","3","1","6","1") = "6"
    & skf18("6","7","1","3","1","7","1") = "6"
    & skf18("6","7","1","3","1","8","1") = "7"
    & skf18("6","7","1","3","1","9","1") = "8"
    & skf18("6","7","1","3","1","10","1") = "9"
    & skf18("6","7","1","3","2","1","1") = "6"
    & skf18("6","7","1","3","2","2","1") = "6"
    & skf18("6","7","1","3","2","3","1") = "6"
    & skf18("6","7","1","3","2","4","1") = "6"
    & skf18("6","7","1","3","2","5","1") = "6"
    & skf18("6","7","1","3","2","6","1") = "6"
    & skf18("6","7","1","3","2","7","1") = "6"
    & skf18("6","7","1","3","2","8","1") = "7"
    & skf18("6","7","1","3","2","9","1") = "8"
    & skf18("6","7","1","3","2","10","1") = "9"
    & skf18("6","7","1","3","3","1","1") = "6"
    & skf18("6","7","1","3","3","2","1") = "6"
    & skf18("6","7","1","3","3","3","1") = "6"
    & skf18("6","7","1","3","3","4","1") = "6"
    & skf18("6","7","1","3","3","5","1") = "6"
    & skf18("6","7","1","3","3","6","1") = "6"
    & skf18("6","7","1","3","3","7","1") = "6"
    & skf18("6","7","1","3","3","8","1") = "7"
    & skf18("6","7","1","3","3","9","1") = "8"
    & skf18("6","7","1","3","3","10","1") = "9"
    & skf18("6","7","1","3","4","1","1") = "6"
    & skf18("6","7","1","3","4","2","1") = "6"
    & skf18("6","7","1","3","4","3","1") = "6"
    & skf18("6","7","1","3","4","4","1") = "6"
    & skf18("6","7","1","3","4","5","1") = "6"
    & skf18("6","7","1","3","4","6","1") = "6"
    & skf18("6","7","1","3","4","7","1") = "6"
    & skf18("6","7","1","3","4","8","1") = "7"
    & skf18("6","7","1","3","4","9","1") = "8"
    & skf18("6","7","1","3","4","10","1") = "9"
    & skf18("6","7","1","3","5","1","1") = "6"
    & skf18("6","7","1","3","5","2","1") = "6"
    & skf18("6","7","1","3","5","3","1") = "6"
    & skf18("6","7","1","3","5","4","1") = "6"
    & skf18("6","7","1","3","5","5","1") = "6"
    & skf18("6","7","1","3","5","6","1") = "6"
    & skf18("6","7","1","3","5","7","1") = "6"
    & skf18("6","7","1","3","5","8","1") = "7"
    & skf18("6","7","1","3","5","9","1") = "8"
    & skf18("6","7","1","3","5","10","1") = "9"
    & skf18("6","7","1","3","6","1","1") = "6"
    & skf18("6","7","1","3","6","2","1") = "6"
    & skf18("6","7","1","3","6","3","1") = "6"
    & skf18("6","7","1","3","6","4","1") = "6"
    & skf18("6","7","1","3","6","5","1") = "6"
    & skf18("6","7","1","3","6","6","1") = "6"
    & skf18("6","7","1","3","6","7","1") = "6"
    & skf18("6","7","1","3","6","8","1") = "7"
    & skf18("6","7","1","3","6","9","1") = "8"
    & skf18("6","7","1","3","6","10","1") = "9"
    & skf18("6","7","1","3","7","1","1") = "6"
    & skf18("6","7","1","3","7","2","1") = "6"
    & skf18("6","7","1","3","7","3","1") = "6"
    & skf18("6","7","1","3","7","4","1") = "6"
    & skf18("6","7","1","3","7","5","1") = "6"
    & skf18("6","7","1","3","7","6","1") = "6"
    & skf18("6","7","1","3","7","7","1") = "6"
    & skf18("6","7","1","3","7","8","1") = "7"
    & skf18("6","7","1","3","7","9","1") = "8"
    & skf18("6","7","1","3","7","10","1") = "9"
    & skf18("6","7","1","3","8","1","1") = "7"
    & skf18("6","7","1","3","8","2","1") = "7"
    & skf18("6","7","1","3","8","3","1") = "7"
    & skf18("6","7","1","3","8","4","1") = "7"
    & skf18("6","7","1","3","8","5","1") = "7"
    & skf18("6","7","1","3","8","6","1") = "7"
    & skf18("6","7","1","3","8","7","1") = "7"
    & skf18("6","7","1","3","8","8","1") = "7"
    & skf18("6","7","1","3","8","9","1") = "8"
    & skf18("6","7","1","3","8","10","1") = "9"
    & skf18("6","7","1","3","9","1","1") = "8"
    & skf18("6","7","1","3","9","2","1") = "8"
    & skf18("6","7","1","3","9","3","1") = "8"
    & skf18("6","7","1","3","9","4","1") = "8"
    & skf18("6","7","1","3","9","5","1") = "8"
    & skf18("6","7","1","3","9","6","1") = "8"
    & skf18("6","7","1","3","9","7","1") = "8"
    & skf18("6","7","1","3","9","8","1") = "8"
    & skf18("6","7","1","3","9","9","1") = "8"
    & skf18("6","7","1","3","9","10","1") = "9"
    & skf18("6","7","1","3","10","1","1") = "9"
    & skf18("6","7","1","3","10","2","1") = "9"
    & skf18("6","7","1","3","10","3","1") = "9"
    & skf18("6","7","1","3","10","4","1") = "9"
    & skf18("6","7","1","3","10","5","1") = "9"
    & skf18("6","7","1","3","10","6","1") = "9"
    & skf18("6","7","1","3","10","7","1") = "9"
    & skf18("6","7","1","3","10","8","1") = "9"
    & skf18("6","7","1","3","10","9","1") = "9"
    & skf18("6","7","1","3","10","10","1") = "9"
    & skf18("6","7","1","4","1","1","1") = "6"
    & skf18("6","7","1","4","1","2","1") = "6"
    & skf18("6","7","1","4","1","3","1") = "6"
    & skf18("6","7","1","4","1","4","1") = "6"
    & skf18("6","7","1","4","1","5","1") = "6"
    & skf18("6","7","1","4","1","6","1") = "6"
    & skf18("6","7","1","4","1","7","1") = "6"
    & skf18("6","7","1","4","1","8","1") = "7"
    & skf18("6","7","1","4","1","9","1") = "8"
    & skf18("6","7","1","4","1","10","1") = "9"
    & skf18("6","7","1","4","2","1","1") = "6"
    & skf18("6","7","1","4","2","2","1") = "6"
    & skf18("6","7","1","4","2","3","1") = "6"
    & skf18("6","7","1","4","2","4","1") = "6"
    & skf18("6","7","1","4","2","5","1") = "6"
    & skf18("6","7","1","4","2","6","1") = "6"
    & skf18("6","7","1","4","2","7","1") = "6"
    & skf18("6","7","1","4","2","8","1") = "7"
    & skf18("6","7","1","4","2","9","1") = "8"
    & skf18("6","7","1","4","2","10","1") = "9"
    & skf18("6","7","1","4","3","1","1") = "6"
    & skf18("6","7","1","4","3","2","1") = "6"
    & skf18("6","7","1","4","3","3","1") = "6"
    & skf18("6","7","1","4","3","4","1") = "6"
    & skf18("6","7","1","4","3","5","1") = "6"
    & skf18("6","7","1","4","3","6","1") = "6"
    & skf18("6","7","1","4","3","7","1") = "6"
    & skf18("6","7","1","4","3","8","1") = "7"
    & skf18("6","7","1","4","3","9","1") = "8"
    & skf18("6","7","1","4","3","10","1") = "9"
    & skf18("6","7","1","4","4","1","1") = "6"
    & skf18("6","7","1","4","4","2","1") = "6"
    & skf18("6","7","1","4","4","3","1") = "6"
    & skf18("6","7","1","4","4","4","1") = "6"
    & skf18("6","7","1","4","4","5","1") = "6"
    & skf18("6","7","1","4","4","6","1") = "6"
    & skf18("6","7","1","4","4","7","1") = "6"
    & skf18("6","7","1","4","4","8","1") = "7"
    & skf18("6","7","1","4","4","9","1") = "8"
    & skf18("6","7","1","4","4","10","1") = "9"
    & skf18("6","7","1","4","5","1","1") = "6"
    & skf18("6","7","1","4","5","2","1") = "6"
    & skf18("6","7","1","4","5","3","1") = "6"
    & skf18("6","7","1","4","5","4","1") = "6"
    & skf18("6","7","1","4","5","5","1") = "6"
    & skf18("6","7","1","4","5","6","1") = "6"
    & skf18("6","7","1","4","5","7","1") = "6"
    & skf18("6","7","1","4","5","8","1") = "7"
    & skf18("6","7","1","4","5","9","1") = "8"
    & skf18("6","7","1","4","5","10","1") = "9"
    & skf18("6","7","1","4","6","1","1") = "6"
    & skf18("6","7","1","4","6","2","1") = "6"
    & skf18("6","7","1","4","6","3","1") = "6"
    & skf18("6","7","1","4","6","4","1") = "6"
    & skf18("6","7","1","4","6","5","1") = "6"
    & skf18("6","7","1","4","6","6","1") = "6"
    & skf18("6","7","1","4","6","7","1") = "6"
    & skf18("6","7","1","4","6","8","1") = "7"
    & skf18("6","7","1","4","6","9","1") = "8"
    & skf18("6","7","1","4","6","10","1") = "9"
    & skf18("6","7","1","4","7","1","1") = "6"
    & skf18("6","7","1","4","7","2","1") = "6"
    & skf18("6","7","1","4","7","3","1") = "6"
    & skf18("6","7","1","4","7","4","1") = "6"
    & skf18("6","7","1","4","7","5","1") = "6"
    & skf18("6","7","1","4","7","6","1") = "6"
    & skf18("6","7","1","4","7","7","1") = "6"
    & skf18("6","7","1","4","7","8","1") = "7"
    & skf18("6","7","1","4","7","9","1") = "8"
    & skf18("6","7","1","4","7","10","1") = "9"
    & skf18("6","7","1","4","8","1","1") = "7"
    & skf18("6","7","1","4","8","2","1") = "7"
    & skf18("6","7","1","4","8","3","1") = "7"
    & skf18("6","7","1","4","8","4","1") = "7"
    & skf18("6","7","1","4","8","5","1") = "7"
    & skf18("6","7","1","4","8","6","1") = "7"
    & skf18("6","7","1","4","8","7","1") = "7"
    & skf18("6","7","1","4","8","8","1") = "7"
    & skf18("6","7","1","4","8","9","1") = "8"
    & skf18("6","7","1","4","8","10","1") = "9"
    & skf18("6","7","1","4","9","1","1") = "8"
    & skf18("6","7","1","4","9","2","1") = "8"
    & skf18("6","7","1","4","9","3","1") = "8"
    & skf18("6","7","1","4","9","4","1") = "8"
    & skf18("6","7","1","4","9","5","1") = "8"
    & skf18("6","7","1","4","9","6","1") = "8"
    & skf18("6","7","1","4","9","7","1") = "8"
    & skf18("6","7","1","4","9","8","1") = "8"
    & skf18("6","7","1","4","9","9","1") = "8"
    & skf18("6","7","1","4","9","10","1") = "9"
    & skf18("6","7","1","4","10","1","1") = "9"
    & skf18("6","7","1","4","10","2","1") = "9"
    & skf18("6","7","1","4","10","3","1") = "9"
    & skf18("6","7","1","4","10","4","1") = "9"
    & skf18("6","7","1","4","10","5","1") = "9"
    & skf18("6","7","1","4","10","6","1") = "9"
    & skf18("6","7","1","4","10","7","1") = "9"
    & skf18("6","7","1","4","10","8","1") = "9"
    & skf18("6","7","1","4","10","9","1") = "9"
    & skf18("6","7","1","4","10","10","1") = "9"
    & skf18("6","7","1","5","1","1","1") = "6"
    & skf18("6","7","1","5","1","2","1") = "6"
    & skf18("6","7","1","5","1","3","1") = "6"
    & skf18("6","7","1","5","1","4","1") = "6"
    & skf18("6","7","1","5","1","5","1") = "6"
    & skf18("6","7","1","5","1","6","1") = "6"
    & skf18("6","7","1","5","1","7","1") = "6"
    & skf18("6","7","1","5","1","8","1") = "7"
    & skf18("6","7","1","5","1","9","1") = "8"
    & skf18("6","7","1","5","1","10","1") = "9"
    & skf18("6","7","1","5","2","1","1") = "6"
    & skf18("6","7","1","5","2","2","1") = "6"
    & skf18("6","7","1","5","2","3","1") = "6"
    & skf18("6","7","1","5","2","4","1") = "6"
    & skf18("6","7","1","5","2","5","1") = "6"
    & skf18("6","7","1","5","2","6","1") = "6"
    & skf18("6","7","1","5","2","7","1") = "6"
    & skf18("6","7","1","5","2","8","1") = "7"
    & skf18("6","7","1","5","2","9","1") = "8"
    & skf18("6","7","1","5","2","10","1") = "9"
    & skf18("6","7","1","5","3","1","1") = "6"
    & skf18("6","7","1","5","3","2","1") = "6"
    & skf18("6","7","1","5","3","3","1") = "6"
    & skf18("6","7","1","5","3","4","1") = "6"
    & skf18("6","7","1","5","3","5","1") = "6"
    & skf18("6","7","1","5","3","6","1") = "6"
    & skf18("6","7","1","5","3","7","1") = "6"
    & skf18("6","7","1","5","3","8","1") = "7"
    & skf18("6","7","1","5","3","9","1") = "8"
    & skf18("6","7","1","5","3","10","1") = "9"
    & skf18("6","7","1","5","4","1","1") = "6"
    & skf18("6","7","1","5","4","2","1") = "6"
    & skf18("6","7","1","5","4","3","1") = "6"
    & skf18("6","7","1","5","4","4","1") = "6"
    & skf18("6","7","1","5","4","5","1") = "6"
    & skf18("6","7","1","5","4","6","1") = "6"
    & skf18("6","7","1","5","4","7","1") = "6"
    & skf18("6","7","1","5","4","8","1") = "7"
    & skf18("6","7","1","5","4","9","1") = "8"
    & skf18("6","7","1","5","4","10","1") = "9"
    & skf18("6","7","1","5","5","1","1") = "6"
    & skf18("6","7","1","5","5","2","1") = "6"
    & skf18("6","7","1","5","5","3","1") = "6"
    & skf18("6","7","1","5","5","4","1") = "6"
    & skf18("6","7","1","5","5","5","1") = "6"
    & skf18("6","7","1","5","5","6","1") = "6"
    & skf18("6","7","1","5","5","7","1") = "6"
    & skf18("6","7","1","5","5","8","1") = "7"
    & skf18("6","7","1","5","5","9","1") = "8"
    & skf18("6","7","1","5","5","10","1") = "9"
    & skf18("6","7","1","5","6","1","1") = "6"
    & skf18("6","7","1","5","6","2","1") = "6"
    & skf18("6","7","1","5","6","3","1") = "6"
    & skf18("6","7","1","5","6","4","1") = "6"
    & skf18("6","7","1","5","6","5","1") = "6"
    & skf18("6","7","1","5","6","6","1") = "6"
    & skf18("6","7","1","5","6","7","1") = "6"
    & skf18("6","7","1","5","6","8","1") = "7"
    & skf18("6","7","1","5","6","9","1") = "8"
    & skf18("6","7","1","5","6","10","1") = "9"
    & skf18("6","7","1","5","7","1","1") = "6"
    & skf18("6","7","1","5","7","2","1") = "6"
    & skf18("6","7","1","5","7","3","1") = "6"
    & skf18("6","7","1","5","7","4","1") = "6"
    & skf18("6","7","1","5","7","5","1") = "6"
    & skf18("6","7","1","5","7","6","1") = "6"
    & skf18("6","7","1","5","7","7","1") = "6"
    & skf18("6","7","1","5","7","8","1") = "7"
    & skf18("6","7","1","5","7","9","1") = "8"
    & skf18("6","7","1","5","7","10","1") = "9"
    & skf18("6","7","1","5","8","1","1") = "7"
    & skf18("6","7","1","5","8","2","1") = "7"
    & skf18("6","7","1","5","8","3","1") = "7"
    & skf18("6","7","1","5","8","4","1") = "7"
    & skf18("6","7","1","5","8","5","1") = "7"
    & skf18("6","7","1","5","8","6","1") = "7"
    & skf18("6","7","1","5","8","7","1") = "7"
    & skf18("6","7","1","5","8","8","1") = "7"
    & skf18("6","7","1","5","8","9","1") = "8"
    & skf18("6","7","1","5","8","10","1") = "9"
    & skf18("6","7","1","5","9","1","1") = "8"
    & skf18("6","7","1","5","9","2","1") = "8"
    & skf18("6","7","1","5","9","3","1") = "8"
    & skf18("6","7","1","5","9","4","1") = "8"
    & skf18("6","7","1","5","9","5","1") = "8"
    & skf18("6","7","1","5","9","6","1") = "8"
    & skf18("6","7","1","5","9","7","1") = "8"
    & skf18("6","7","1","5","9","8","1") = "8"
    & skf18("6","7","1","5","9","9","1") = "8"
    & skf18("6","7","1","5","9","10","1") = "9"
    & skf18("6","7","1","5","10","1","1") = "9"
    & skf18("6","7","1","5","10","2","1") = "9"
    & skf18("6","7","1","5","10","3","1") = "9"
    & skf18("6","7","1","5","10","4","1") = "9"
    & skf18("6","7","1","5","10","5","1") = "9"
    & skf18("6","7","1","5","10","6","1") = "9"
    & skf18("6","7","1","5","10","7","1") = "9"
    & skf18("6","7","1","5","10","8","1") = "9"
    & skf18("6","7","1","5","10","9","1") = "9"
    & skf18("6","7","1","5","10","10","1") = "9"
    & skf18("6","7","1","6","1","1","1") = "6"
    & skf18("6","7","1","6","1","2","1") = "6"
    & skf18("6","7","1","6","1","3","1") = "6"
    & skf18("6","7","1","6","1","4","1") = "6"
    & skf18("6","7","1","6","1","5","1") = "6"
    & skf18("6","7","1","6","1","6","1") = "6"
    & skf18("6","7","1","6","1","7","1") = "6"
    & skf18("6","7","1","6","1","8","1") = "7"
    & skf18("6","7","1","6","1","9","1") = "8"
    & skf18("6","7","1","6","1","10","1") = "9"
    & skf18("6","7","1","6","2","1","1") = "6"
    & skf18("6","7","1","6","2","2","1") = "6"
    & skf18("6","7","1","6","2","3","1") = "6"
    & skf18("6","7","1","6","2","4","1") = "6"
    & skf18("6","7","1","6","2","5","1") = "6"
    & skf18("6","7","1","6","2","6","1") = "6"
    & skf18("6","7","1","6","2","7","1") = "6"
    & skf18("6","7","1","6","2","8","1") = "7"
    & skf18("6","7","1","6","2","9","1") = "8"
    & skf18("6","7","1","6","2","10","1") = "9"
    & skf18("6","7","1","6","3","1","1") = "6"
    & skf18("6","7","1","6","3","2","1") = "6"
    & skf18("6","7","1","6","3","3","1") = "6"
    & skf18("6","7","1","6","3","4","1") = "6"
    & skf18("6","7","1","6","3","5","1") = "6"
    & skf18("6","7","1","6","3","6","1") = "6"
    & skf18("6","7","1","6","3","7","1") = "6"
    & skf18("6","7","1","6","3","8","1") = "7"
    & skf18("6","7","1","6","3","9","1") = "8"
    & skf18("6","7","1","6","3","10","1") = "9"
    & skf18("6","7","1","6","4","1","1") = "6"
    & skf18("6","7","1","6","4","2","1") = "6"
    & skf18("6","7","1","6","4","3","1") = "6"
    & skf18("6","7","1","6","4","4","1") = "6"
    & skf18("6","7","1","6","4","5","1") = "6"
    & skf18("6","7","1","6","4","6","1") = "6"
    & skf18("6","7","1","6","4","7","1") = "6"
    & skf18("6","7","1","6","4","8","1") = "7"
    & skf18("6","7","1","6","4","9","1") = "8"
    & skf18("6","7","1","6","4","10","1") = "9"
    & skf18("6","7","1","6","5","1","1") = "6"
    & skf18("6","7","1","6","5","2","1") = "6"
    & skf18("6","7","1","6","5","3","1") = "6"
    & skf18("6","7","1","6","5","4","1") = "6"
    & skf18("6","7","1","6","5","5","1") = "6"
    & skf18("6","7","1","6","5","6","1") = "6"
    & skf18("6","7","1","6","5","7","1") = "6"
    & skf18("6","7","1","6","5","8","1") = "7"
    & skf18("6","7","1","6","5","9","1") = "8"
    & skf18("6","7","1","6","5","10","1") = "9"
    & skf18("6","7","1","6","6","1","1") = "6"
    & skf18("6","7","1","6","6","2","1") = "6"
    & skf18("6","7","1","6","6","3","1") = "6"
    & skf18("6","7","1","6","6","4","1") = "6"
    & skf18("6","7","1","6","6","5","1") = "6"
    & skf18("6","7","1","6","6","6","1") = "6"
    & skf18("6","7","1","6","6","7","1") = "6"
    & skf18("6","7","1","6","6","8","1") = "7"
    & skf18("6","7","1","6","6","9","1") = "8"
    & skf18("6","7","1","6","6","10","1") = "9"
    & skf18("6","7","1","6","7","1","1") = "6"
    & skf18("6","7","1","6","7","2","1") = "6"
    & skf18("6","7","1","6","7","3","1") = "6"
    & skf18("6","7","1","6","7","4","1") = "6"
    & skf18("6","7","1","6","7","5","1") = "6"
    & skf18("6","7","1","6","7","6","1") = "6"
    & skf18("6","7","1","6","7","7","1") = "6"
    & skf18("6","7","1","6","7","8","1") = "7"
    & skf18("6","7","1","6","7","9","1") = "8"
    & skf18("6","7","1","6","7","10","1") = "9"
    & skf18("6","7","1","6","8","1","1") = "7"
    & skf18("6","7","1","6","8","2","1") = "7"
    & skf18("6","7","1","6","8","3","1") = "7"
    & skf18("6","7","1","6","8","4","1") = "7"
    & skf18("6","7","1","6","8","5","1") = "7"
    & skf18("6","7","1","6","8","6","1") = "7"
    & skf18("6","7","1","6","8","7","1") = "7"
    & skf18("6","7","1","6","8","8","1") = "7"
    & skf18("6","7","1","6","8","9","1") = "8"
    & skf18("6","7","1","6","8","10","1") = "9"
    & skf18("6","7","1","6","9","1","1") = "8"
    & skf18("6","7","1","6","9","2","1") = "8"
    & skf18("6","7","1","6","9","3","1") = "8"
    & skf18("6","7","1","6","9","4","1") = "8"
    & skf18("6","7","1","6","9","5","1") = "8"
    & skf18("6","7","1","6","9","6","1") = "8"
    & skf18("6","7","1","6","9","7","1") = "8"
    & skf18("6","7","1","6","9","8","1") = "8"
    & skf18("6","7","1","6","9","9","1") = "8"
    & skf18("6","7","1","6","9","10","1") = "9"
    & skf18("6","7","1","6","10","1","1") = "9"
    & skf18("6","7","1","6","10","2","1") = "9"
    & skf18("6","7","1","6","10","3","1") = "9"
    & skf18("6","7","1","6","10","4","1") = "9"
    & skf18("6","7","1","6","10","5","1") = "9"
    & skf18("6","7","1","6","10","6","1") = "9"
    & skf18("6","7","1","6","10","7","1") = "9"
    & skf18("6","7","1","6","10","8","1") = "9"
    & skf18("6","7","1","6","10","9","1") = "9"
    & skf18("6","7","1","6","10","10","1") = "9"
    & skf18("6","7","1","7","1","1","1") = "6"
    & skf18("6","7","1","7","1","2","1") = "6"
    & skf18("6","7","1","7","1","3","1") = "6"
    & skf18("6","7","1","7","1","4","1") = "6"
    & skf18("6","7","1","7","1","5","1") = "6"
    & skf18("6","7","1","7","1","6","1") = "6"
    & skf18("6","7","1","7","1","7","1") = "6"
    & skf18("6","7","1","7","1","8","1") = "7"
    & skf18("6","7","1","7","1","9","1") = "8"
    & skf18("6","7","1","7","1","10","1") = "9"
    & skf18("6","7","1","7","2","1","1") = "6"
    & skf18("6","7","1","7","2","2","1") = "6"
    & skf18("6","7","1","7","2","3","1") = "6"
    & skf18("6","7","1","7","2","4","1") = "6"
    & skf18("6","7","1","7","2","5","1") = "6"
    & skf18("6","7","1","7","2","6","1") = "6"
    & skf18("6","7","1","7","2","7","1") = "6"
    & skf18("6","7","1","7","2","8","1") = "7"
    & skf18("6","7","1","7","2","9","1") = "8"
    & skf18("6","7","1","7","2","10","1") = "9"
    & skf18("6","7","1","7","3","1","1") = "6"
    & skf18("6","7","1","7","3","2","1") = "6"
    & skf18("6","7","1","7","3","3","1") = "6"
    & skf18("6","7","1","7","3","4","1") = "6"
    & skf18("6","7","1","7","3","5","1") = "6"
    & skf18("6","7","1","7","3","6","1") = "6"
    & skf18("6","7","1","7","3","7","1") = "6"
    & skf18("6","7","1","7","3","8","1") = "7"
    & skf18("6","7","1","7","3","9","1") = "8"
    & skf18("6","7","1","7","3","10","1") = "9"
    & skf18("6","7","1","7","4","1","1") = "6"
    & skf18("6","7","1","7","4","2","1") = "6"
    & skf18("6","7","1","7","4","3","1") = "6"
    & skf18("6","7","1","7","4","4","1") = "6"
    & skf18("6","7","1","7","4","5","1") = "6"
    & skf18("6","7","1","7","4","6","1") = "6"
    & skf18("6","7","1","7","4","7","1") = "6"
    & skf18("6","7","1","7","4","8","1") = "7"
    & skf18("6","7","1","7","4","9","1") = "8"
    & skf18("6","7","1","7","4","10","1") = "9"
    & skf18("6","7","1","7","5","1","1") = "6"
    & skf18("6","7","1","7","5","2","1") = "6"
    & skf18("6","7","1","7","5","3","1") = "6"
    & skf18("6","7","1","7","5","4","1") = "6"
    & skf18("6","7","1","7","5","5","1") = "6"
    & skf18("6","7","1","7","5","6","1") = "6"
    & skf18("6","7","1","7","5","7","1") = "6"
    & skf18("6","7","1","7","5","8","1") = "7"
    & skf18("6","7","1","7","5","9","1") = "8"
    & skf18("6","7","1","7","5","10","1") = "9"
    & skf18("6","7","1","7","6","1","1") = "6"
    & skf18("6","7","1","7","6","2","1") = "6"
    & skf18("6","7","1","7","6","3","1") = "6"
    & skf18("6","7","1","7","6","4","1") = "6"
    & skf18("6","7","1","7","6","5","1") = "6"
    & skf18("6","7","1","7","6","6","1") = "6"
    & skf18("6","7","1","7","6","7","1") = "6"
    & skf18("6","7","1","7","6","8","1") = "7"
    & skf18("6","7","1","7","6","9","1") = "8"
    & skf18("6","7","1","7","6","10","1") = "9"
    & skf18("6","7","1","7","7","1","1") = "6"
    & skf18("6","7","1","7","7","2","1") = "6"
    & skf18("6","7","1","7","7","3","1") = "6"
    & skf18("6","7","1","7","7","4","1") = "6"
    & skf18("6","7","1","7","7","5","1") = "6"
    & skf18("6","7","1","7","7","6","1") = "6"
    & skf18("6","7","1","7","7","7","1") = "6"
    & skf18("6","7","1","7","7","8","1") = "7"
    & skf18("6","7","1","7","7","9","1") = "8"
    & skf18("6","7","1","7","7","10","1") = "9"
    & skf18("6","7","1","7","8","1","1") = "7"
    & skf18("6","7","1","7","8","2","1") = "7"
    & skf18("6","7","1","7","8","3","1") = "7"
    & skf18("6","7","1","7","8","4","1") = "7"
    & skf18("6","7","1","7","8","5","1") = "7"
    & skf18("6","7","1","7","8","6","1") = "7"
    & skf18("6","7","1","7","8","7","1") = "7"
    & skf18("6","7","1","7","8","8","1") = "7"
    & skf18("6","7","1","7","8","9","1") = "8"
    & skf18("6","7","1","7","8","10","1") = "9"
    & skf18("6","7","1","7","9","1","1") = "8"
    & skf18("6","7","1","7","9","2","1") = "8"
    & skf18("6","7","1","7","9","3","1") = "8"
    & skf18("6","7","1","7","9","4","1") = "8"
    & skf18("6","7","1","7","9","5","1") = "8"
    & skf18("6","7","1","7","9","6","1") = "8"
    & skf18("6","7","1","7","9","7","1") = "8"
    & skf18("6","7","1","7","9","8","1") = "8"
    & skf18("6","7","1","7","9","9","1") = "8"
    & skf18("6","7","1","7","9","10","1") = "9"
    & skf18("6","7","1","7","10","1","1") = "9"
    & skf18("6","7","1","7","10","2","1") = "9"
    & skf18("6","7","1","7","10","3","1") = "9"
    & skf18("6","7","1","7","10","4","1") = "9"
    & skf18("6","7","1","7","10","5","1") = "9"
    & skf18("6","7","1","7","10","6","1") = "9"
    & skf18("6","7","1","7","10","7","1") = "9"
    & skf18("6","7","1","7","10","8","1") = "9"
    & skf18("6","7","1","7","10","9","1") = "9"
    & skf18("6","7","1","7","10","10","1") = "9"
    & skf18("6","7","1","8","1","1","1") = "7"
    & skf18("6","7","1","8","1","2","1") = "7"
    & skf18("6","7","1","8","1","3","1") = "7"
    & skf18("6","7","1","8","1","4","1") = "7"
    & skf18("6","7","1","8","1","5","1") = "7"
    & skf18("6","7","1","8","1","6","1") = "7"
    & skf18("6","7","1","8","1","7","1") = "7"
    & skf18("6","7","1","8","1","8","1") = "7"
    & skf18("6","7","1","8","1","9","1") = "8"
    & skf18("6","7","1","8","1","10","1") = "9"
    & skf18("6","7","1","8","2","1","1") = "7"
    & skf18("6","7","1","8","2","2","1") = "7"
    & skf18("6","7","1","8","2","3","1") = "7"
    & skf18("6","7","1","8","2","4","1") = "7"
    & skf18("6","7","1","8","2","5","1") = "7"
    & skf18("6","7","1","8","2","6","1") = "7"
    & skf18("6","7","1","8","2","7","1") = "7"
    & skf18("6","7","1","8","2","8","1") = "7"
    & skf18("6","7","1","8","2","9","1") = "8"
    & skf18("6","7","1","8","2","10","1") = "9"
    & skf18("6","7","1","8","3","1","1") = "7"
    & skf18("6","7","1","8","3","2","1") = "7"
    & skf18("6","7","1","8","3","3","1") = "7"
    & skf18("6","7","1","8","3","4","1") = "7"
    & skf18("6","7","1","8","3","5","1") = "7"
    & skf18("6","7","1","8","3","6","1") = "7"
    & skf18("6","7","1","8","3","7","1") = "7"
    & skf18("6","7","1","8","3","8","1") = "7"
    & skf18("6","7","1","8","3","9","1") = "8"
    & skf18("6","7","1","8","3","10","1") = "9"
    & skf18("6","7","1","8","4","1","1") = "7"
    & skf18("6","7","1","8","4","2","1") = "7"
    & skf18("6","7","1","8","4","3","1") = "7"
    & skf18("6","7","1","8","4","4","1") = "7"
    & skf18("6","7","1","8","4","5","1") = "7"
    & skf18("6","7","1","8","4","6","1") = "7"
    & skf18("6","7","1","8","4","7","1") = "7"
    & skf18("6","7","1","8","4","8","1") = "7"
    & skf18("6","7","1","8","4","9","1") = "8"
    & skf18("6","7","1","8","4","10","1") = "9"
    & skf18("6","7","1","8","5","1","1") = "7"
    & skf18("6","7","1","8","5","2","1") = "7"
    & skf18("6","7","1","8","5","3","1") = "7"
    & skf18("6","7","1","8","5","4","1") = "7"
    & skf18("6","7","1","8","5","5","1") = "7"
    & skf18("6","7","1","8","5","6","1") = "7"
    & skf18("6","7","1","8","5","7","1") = "7"
    & skf18("6","7","1","8","5","8","1") = "7"
    & skf18("6","7","1","8","5","9","1") = "8"
    & skf18("6","7","1","8","5","10","1") = "9"
    & skf18("6","7","1","8","6","1","1") = "7"
    & skf18("6","7","1","8","6","2","1") = "7"
    & skf18("6","7","1","8","6","3","1") = "7"
    & skf18("6","7","1","8","6","4","1") = "7"
    & skf18("6","7","1","8","6","5","1") = "7"
    & skf18("6","7","1","8","6","6","1") = "7"
    & skf18("6","7","1","8","6","7","1") = "7"
    & skf18("6","7","1","8","6","8","1") = "7"
    & skf18("6","7","1","8","6","9","1") = "8"
    & skf18("6","7","1","8","6","10","1") = "9"
    & skf18("6","7","1","8","7","1","1") = "7"
    & skf18("6","7","1","8","7","2","1") = "7"
    & skf18("6","7","1","8","7","3","1") = "7"
    & skf18("6","7","1","8","7","4","1") = "7"
    & skf18("6","7","1","8","7","5","1") = "7"
    & skf18("6","7","1","8","7","6","1") = "7"
    & skf18("6","7","1","8","7","7","1") = "7"
    & skf18("6","7","1","8","7","8","1") = "7"
    & skf18("6","7","1","8","7","9","1") = "8"
    & skf18("6","7","1","8","7","10","1") = "9"
    & skf18("6","7","1","8","8","1","1") = "7"
    & skf18("6","7","1","8","8","2","1") = "7"
    & skf18("6","7","1","8","8","3","1") = "7"
    & skf18("6","7","1","8","8","4","1") = "7"
    & skf18("6","7","1","8","8","5","1") = "7"
    & skf18("6","7","1","8","8","6","1") = "7"
    & skf18("6","7","1","8","8","7","1") = "7"
    & skf18("6","7","1","8","8","8","1") = "7"
    & skf18("6","7","1","8","8","9","1") = "8"
    & skf18("6","7","1","8","8","10","1") = "9"
    & skf18("6","7","1","8","9","1","1") = "8"
    & skf18("6","7","1","8","9","2","1") = "8"
    & skf18("6","7","1","8","9","3","1") = "8"
    & skf18("6","7","1","8","9","4","1") = "8"
    & skf18("6","7","1","8","9","5","1") = "8"
    & skf18("6","7","1","8","9","6","1") = "8"
    & skf18("6","7","1","8","9","7","1") = "8"
    & skf18("6","7","1","8","9","8","1") = "8"
    & skf18("6","7","1","8","9","9","1") = "8"
    & skf18("6","7","1","8","9","10","1") = "9"
    & skf18("6","7","1","8","10","1","1") = "9"
    & skf18("6","7","1","8","10","2","1") = "9"
    & skf18("6","7","1","8","10","3","1") = "9"
    & skf18("6","7","1","8","10","4","1") = "9"
    & skf18("6","7","1","8","10","5","1") = "9"
    & skf18("6","7","1","8","10","6","1") = "9"
    & skf18("6","7","1","8","10","7","1") = "9"
    & skf18("6","7","1","8","10","8","1") = "9"
    & skf18("6","7","1","8","10","9","1") = "9"
    & skf18("6","7","1","8","10","10","1") = "9"
    & skf18("6","7","1","9","1","1","1") = "8"
    & skf18("6","7","1","9","1","2","1") = "8"
    & skf18("6","7","1","9","1","3","1") = "8"
    & skf18("6","7","1","9","1","4","1") = "8"
    & skf18("6","7","1","9","1","5","1") = "8"
    & skf18("6","7","1","9","1","6","1") = "8"
    & skf18("6","7","1","9","1","7","1") = "8"
    & skf18("6","7","1","9","1","8","1") = "8"
    & skf18("6","7","1","9","1","9","1") = "8"
    & skf18("6","7","1","9","1","10","1") = "9"
    & skf18("6","7","1","9","2","1","1") = "8"
    & skf18("6","7","1","9","2","2","1") = "8"
    & skf18("6","7","1","9","2","3","1") = "8"
    & skf18("6","7","1","9","2","4","1") = "8"
    & skf18("6","7","1","9","2","5","1") = "8"
    & skf18("6","7","1","9","2","6","1") = "8"
    & skf18("6","7","1","9","2","7","1") = "8"
    & skf18("6","7","1","9","2","8","1") = "8"
    & skf18("6","7","1","9","2","9","1") = "8"
    & skf18("6","7","1","9","2","10","1") = "9"
    & skf18("6","7","1","9","3","1","1") = "8"
    & skf18("6","7","1","9","3","2","1") = "8"
    & skf18("6","7","1","9","3","3","1") = "8"
    & skf18("6","7","1","9","3","4","1") = "8"
    & skf18("6","7","1","9","3","5","1") = "8"
    & skf18("6","7","1","9","3","6","1") = "8"
    & skf18("6","7","1","9","3","7","1") = "8"
    & skf18("6","7","1","9","3","8","1") = "8"
    & skf18("6","7","1","9","3","9","1") = "8"
    & skf18("6","7","1","9","3","10","1") = "9"
    & skf18("6","7","1","9","4","1","1") = "8"
    & skf18("6","7","1","9","4","2","1") = "8"
    & skf18("6","7","1","9","4","3","1") = "8"
    & skf18("6","7","1","9","4","4","1") = "8"
    & skf18("6","7","1","9","4","5","1") = "8"
    & skf18("6","7","1","9","4","6","1") = "8"
    & skf18("6","7","1","9","4","7","1") = "8"
    & skf18("6","7","1","9","4","8","1") = "8"
    & skf18("6","7","1","9","4","9","1") = "8"
    & skf18("6","7","1","9","4","10","1") = "9"
    & skf18("6","7","1","9","5","1","1") = "8"
    & skf18("6","7","1","9","5","2","1") = "8"
    & skf18("6","7","1","9","5","3","1") = "8"
    & skf18("6","7","1","9","5","4","1") = "8"
    & skf18("6","7","1","9","5","5","1") = "8"
    & skf18("6","7","1","9","5","6","1") = "8"
    & skf18("6","7","1","9","5","7","1") = "8"
    & skf18("6","7","1","9","5","8","1") = "8"
    & skf18("6","7","1","9","5","9","1") = "8"
    & skf18("6","7","1","9","5","10","1") = "9"
    & skf18("6","7","1","9","6","1","1") = "8"
    & skf18("6","7","1","9","6","2","1") = "8"
    & skf18("6","7","1","9","6","3","1") = "8"
    & skf18("6","7","1","9","6","4","1") = "8"
    & skf18("6","7","1","9","6","5","1") = "8"
    & skf18("6","7","1","9","6","6","1") = "8"
    & skf18("6","7","1","9","6","7","1") = "8"
    & skf18("6","7","1","9","6","8","1") = "8"
    & skf18("6","7","1","9","6","9","1") = "8"
    & skf18("6","7","1","9","6","10","1") = "9"
    & skf18("6","7","1","9","7","1","1") = "8"
    & skf18("6","7","1","9","7","2","1") = "8"
    & skf18("6","7","1","9","7","3","1") = "8"
    & skf18("6","7","1","9","7","4","1") = "8"
    & skf18("6","7","1","9","7","5","1") = "8"
    & skf18("6","7","1","9","7","6","1") = "8"
    & skf18("6","7","1","9","7","7","1") = "8"
    & skf18("6","7","1","9","7","8","1") = "8"
    & skf18("6","7","1","9","7","9","1") = "8"
    & skf18("6","7","1","9","7","10","1") = "9"
    & skf18("6","7","1","9","8","1","1") = "8"
    & skf18("6","7","1","9","8","2","1") = "8"
    & skf18("6","7","1","9","8","3","1") = "8"
    & skf18("6","7","1","9","8","4","1") = "8"
    & skf18("6","7","1","9","8","5","1") = "8"
    & skf18("6","7","1","9","8","6","1") = "8"
    & skf18("6","7","1","9","8","7","1") = "8"
    & skf18("6","7","1","9","8","8","1") = "8"
    & skf18("6","7","1","9","8","9","1") = "8"
    & skf18("6","7","1","9","8","10","1") = "9"
    & skf18("6","7","1","9","9","1","1") = "8"
    & skf18("6","7","1","9","9","2","1") = "8"
    & skf18("6","7","1","9","9","3","1") = "8"
    & skf18("6","7","1","9","9","4","1") = "8"
    & skf18("6","7","1","9","9","5","1") = "8"
    & skf18("6","7","1","9","9","6","1") = "8"
    & skf18("6","7","1","9","9","7","1") = "8"
    & skf18("6","7","1","9","9","8","1") = "8"
    & skf18("6","7","1","9","9","9","1") = "8"
    & skf18("6","7","1","9","9","10","1") = "9"
    & skf18("6","7","1","9","10","1","1") = "9"
    & skf18("6","7","1","9","10","2","1") = "9"
    & skf18("6","7","1","9","10","3","1") = "9"
    & skf18("6","7","1","9","10","4","1") = "9"
    & skf18("6","7","1","9","10","5","1") = "9"
    & skf18("6","7","1","9","10","6","1") = "9"
    & skf18("6","7","1","9","10","7","1") = "9"
    & skf18("6","7","1","9","10","8","1") = "9"
    & skf18("6","7","1","9","10","9","1") = "9"
    & skf18("6","7","1","9","10","10","1") = "9"
    & skf18("6","7","1","10","1","1","1") = "9"
    & skf18("6","7","1","10","1","2","1") = "9"
    & skf18("6","7","1","10","1","3","1") = "9"
    & skf18("6","7","1","10","1","4","1") = "9"
    & skf18("6","7","1","10","1","5","1") = "9"
    & skf18("6","7","1","10","1","6","1") = "9"
    & skf18("6","7","1","10","1","7","1") = "9"
    & skf18("6","7","1","10","1","8","1") = "9"
    & skf18("6","7","1","10","1","9","1") = "9"
    & skf18("6","7","1","10","1","10","1") = "9"
    & skf18("6","7","1","10","2","1","1") = "9"
    & skf18("6","7","1","10","2","2","1") = "9"
    & skf18("6","7","1","10","2","3","1") = "9"
    & skf18("6","7","1","10","2","4","1") = "9"
    & skf18("6","7","1","10","2","5","1") = "9"
    & skf18("6","7","1","10","2","6","1") = "9"
    & skf18("6","7","1","10","2","7","1") = "9"
    & skf18("6","7","1","10","2","8","1") = "9"
    & skf18("6","7","1","10","2","9","1") = "9"
    & skf18("6","7","1","10","2","10","1") = "9"
    & skf18("6","7","1","10","3","1","1") = "9"
    & skf18("6","7","1","10","3","2","1") = "9"
    & skf18("6","7","1","10","3","3","1") = "9"
    & skf18("6","7","1","10","3","4","1") = "9"
    & skf18("6","7","1","10","3","5","1") = "9"
    & skf18("6","7","1","10","3","6","1") = "9"
    & skf18("6","7","1","10","3","7","1") = "9"
    & skf18("6","7","1","10","3","8","1") = "9"
    & skf18("6","7","1","10","3","9","1") = "9"
    & skf18("6","7","1","10","3","10","1") = "9"
    & skf18("6","7","1","10","4","1","1") = "9"
    & skf18("6","7","1","10","4","2","1") = "9"
    & skf18("6","7","1","10","4","3","1") = "9"
    & skf18("6","7","1","10","4","4","1") = "9"
    & skf18("6","7","1","10","4","5","1") = "9"
    & skf18("6","7","1","10","4","6","1") = "9"
    & skf18("6","7","1","10","4","7","1") = "9"
    & skf18("6","7","1","10","4","8","1") = "9"
    & skf18("6","7","1","10","4","9","1") = "9"
    & skf18("6","7","1","10","4","10","1") = "9"
    & skf18("6","7","1","10","5","1","1") = "9"
    & skf18("6","7","1","10","5","2","1") = "9"
    & skf18("6","7","1","10","5","3","1") = "9"
    & skf18("6","7","1","10","5","4","1") = "9"
    & skf18("6","7","1","10","5","5","1") = "9"
    & skf18("6","7","1","10","5","6","1") = "9"
    & skf18("6","7","1","10","5","7","1") = "9"
    & skf18("6","7","1","10","5","8","1") = "9"
    & skf18("6","7","1","10","5","9","1") = "9"
    & skf18("6","7","1","10","5","10","1") = "9"
    & skf18("6","7","1","10","6","1","1") = "9"
    & skf18("6","7","1","10","6","2","1") = "9"
    & skf18("6","7","1","10","6","3","1") = "9"
    & skf18("6","7","1","10","6","4","1") = "9"
    & skf18("6","7","1","10","6","5","1") = "9"
    & skf18("6","7","1","10","6","6","1") = "9"
    & skf18("6","7","1","10","6","7","1") = "9"
    & skf18("6","7","1","10","6","8","1") = "9"
    & skf18("6","7","1","10","6","9","1") = "9"
    & skf18("6","7","1","10","6","10","1") = "9"
    & skf18("6","7","1","10","7","1","1") = "9"
    & skf18("6","7","1","10","7","2","1") = "9"
    & skf18("6","7","1","10","7","3","1") = "9"
    & skf18("6","7","1","10","7","4","1") = "9"
    & skf18("6","7","1","10","7","5","1") = "9"
    & skf18("6","7","1","10","7","6","1") = "9"
    & skf18("6","7","1","10","7","7","1") = "9"
    & skf18("6","7","1","10","7","8","1") = "9"
    & skf18("6","7","1","10","7","9","1") = "9"
    & skf18("6","7","1","10","7","10","1") = "9"
    & skf18("6","7","1","10","8","1","1") = "9"
    & skf18("6","7","1","10","8","2","1") = "9"
    & skf18("6","7","1","10","8","3","1") = "9"
    & skf18("6","7","1","10","8","4","1") = "9"
    & skf18("6","7","1","10","8","5","1") = "9"
    & skf18("6","7","1","10","8","6","1") = "9"
    & skf18("6","7","1","10","8","7","1") = "9"
    & skf18("6","7","1","10","8","8","1") = "9"
    & skf18("6","7","1","10","8","9","1") = "9"
    & skf18("6","7","1","10","8","10","1") = "9"
    & skf18("6","7","1","10","9","1","1") = "9"
    & skf18("6","7","1","10","9","2","1") = "9"
    & skf18("6","7","1","10","9","3","1") = "9"
    & skf18("6","7","1","10","9","4","1") = "9"
    & skf18("6","7","1","10","9","5","1") = "9"
    & skf18("6","7","1","10","9","6","1") = "9"
    & skf18("6","7","1","10","9","7","1") = "9"
    & skf18("6","7","1","10","9","8","1") = "9"
    & skf18("6","7","1","10","9","9","1") = "9"
    & skf18("6","7","1","10","9","10","1") = "9"
    & skf18("6","7","1","10","10","1","1") = "9"
    & skf18("6","7","1","10","10","2","1") = "9"
    & skf18("6","7","1","10","10","3","1") = "9"
    & skf18("6","7","1","10","10","4","1") = "9"
    & skf18("6","7","1","10","10","5","1") = "9"
    & skf18("6","7","1","10","10","6","1") = "9"
    & skf18("6","7","1","10","10","7","1") = "9"
    & skf18("6","7","1","10","10","8","1") = "9"
    & skf18("6","7","1","10","10","9","1") = "9"
    & skf18("6","7","1","10","10","10","1") = "9"
    & skf18("6","7","2","1","1","1","1") = "6"
    & skf18("6","7","2","1","1","2","1") = "6"
    & skf18("6","7","2","1","1","3","1") = "6"
    & skf18("6","7","2","1","1","4","1") = "6"
    & skf18("6","7","2","1","1","5","1") = "6"
    & skf18("6","7","2","1","1","6","1") = "6"
    & skf18("6","7","2","1","1","7","1") = "6"
    & skf18("6","7","2","1","1","8","1") = "7"
    & skf18("6","7","2","1","1","9","1") = "8"
    & skf18("6","7","2","1","1","10","1") = "9"
    & skf18("6","7","2","1","2","1","1") = "6"
    & skf18("6","7","2","1","2","2","1") = "6"
    & skf18("6","7","2","1","2","3","1") = "6"
    & skf18("6","7","2","1","2","4","1") = "6"
    & skf18("6","7","2","1","2","5","1") = "6"
    & skf18("6","7","2","1","2","6","1") = "6"
    & skf18("6","7","2","1","2","7","1") = "6"
    & skf18("6","7","2","1","2","8","1") = "7"
    & skf18("6","7","2","1","2","9","1") = "8"
    & skf18("6","7","2","1","2","10","1") = "9"
    & skf18("6","7","2","1","3","1","1") = "6"
    & skf18("6","7","2","1","3","2","1") = "6"
    & skf18("6","7","2","1","3","3","1") = "6"
    & skf18("6","7","2","1","3","4","1") = "6"
    & skf18("6","7","2","1","3","5","1") = "6"
    & skf18("6","7","2","1","3","6","1") = "6"
    & skf18("6","7","2","1","3","7","1") = "6"
    & skf18("6","7","2","1","3","8","1") = "7"
    & skf18("6","7","2","1","3","9","1") = "8"
    & skf18("6","7","2","1","3","10","1") = "9"
    & skf18("6","7","2","1","4","1","1") = "6"
    & skf18("6","7","2","1","4","2","1") = "6"
    & skf18("6","7","2","1","4","3","1") = "6"
    & skf18("6","7","2","1","4","4","1") = "6"
    & skf18("6","7","2","1","4","5","1") = "6"
    & skf18("6","7","2","1","4","6","1") = "6"
    & skf18("6","7","2","1","4","7","1") = "6"
    & skf18("6","7","2","1","4","8","1") = "7"
    & skf18("6","7","2","1","4","9","1") = "8"
    & skf18("6","7","2","1","4","10","1") = "9"
    & skf18("6","7","2","1","5","1","1") = "6"
    & skf18("6","7","2","1","5","2","1") = "6"
    & skf18("6","7","2","1","5","3","1") = "6"
    & skf18("6","7","2","1","5","4","1") = "6"
    & skf18("6","7","2","1","5","5","1") = "6"
    & skf18("6","7","2","1","5","6","1") = "6"
    & skf18("6","7","2","1","5","7","1") = "6"
    & skf18("6","7","2","1","5","8","1") = "7"
    & skf18("6","7","2","1","5","9","1") = "8"
    & skf18("6","7","2","1","5","10","1") = "9"
    & skf18("6","7","2","1","6","1","1") = "6"
    & skf18("6","7","2","1","6","2","1") = "6"
    & skf18("6","7","2","1","6","3","1") = "6"
    & skf18("6","7","2","1","6","4","1") = "6"
    & skf18("6","7","2","1","6","5","1") = "6"
    & skf18("6","7","2","1","6","6","1") = "6"
    & skf18("6","7","2","1","6","7","1") = "6"
    & skf18("6","7","2","1","6","8","1") = "7"
    & skf18("6","7","2","1","6","9","1") = "8"
    & skf18("6","7","2","1","6","10","1") = "9"
    & skf18("6","7","2","1","7","1","1") = "6"
    & skf18("6","7","2","1","7","2","1") = "6"
    & skf18("6","7","2","1","7","3","1") = "6"
    & skf18("6","7","2","1","7","4","1") = "6"
    & skf18("6","7","2","1","7","5","1") = "6"
    & skf18("6","7","2","1","7","6","1") = "6"
    & skf18("6","7","2","1","7","7","1") = "6"
    & skf18("6","7","2","1","7","8","1") = "7"
    & skf18("6","7","2","1","7","9","1") = "8"
    & skf18("6","7","2","1","7","10","1") = "9"
    & skf18("6","7","2","1","8","1","1") = "7"
    & skf18("6","7","2","1","8","2","1") = "7"
    & skf18("6","7","2","1","8","3","1") = "7"
    & skf18("6","7","2","1","8","4","1") = "7"
    & skf18("6","7","2","1","8","5","1") = "7"
    & skf18("6","7","2","1","8","6","1") = "7"
    & skf18("6","7","2","1","8","7","1") = "7"
    & skf18("6","7","2","1","8","8","1") = "7"
    & skf18("6","7","2","1","8","9","1") = "8"
    & skf18("6","7","2","1","8","10","1") = "9"
    & skf18("6","7","2","1","9","1","1") = "8"
    & skf18("6","7","2","1","9","2","1") = "8"
    & skf18("6","7","2","1","9","3","1") = "8"
    & skf18("6","7","2","1","9","4","1") = "8"
    & skf18("6","7","2","1","9","5","1") = "8"
    & skf18("6","7","2","1","9","6","1") = "8"
    & skf18("6","7","2","1","9","7","1") = "8"
    & skf18("6","7","2","1","9","8","1") = "8"
    & skf18("6","7","2","1","9","9","1") = "8"
    & skf18("6","7","2","1","9","10","1") = "9"
    & skf18("6","7","2","1","10","1","1") = "9"
    & skf18("6","7","2","1","10","2","1") = "9"
    & skf18("6","7","2","1","10","3","1") = "9"
    & skf18("6","7","2","1","10","4","1") = "9"
    & skf18("6","7","2","1","10","5","1") = "9"
    & skf18("6","7","2","1","10","6","1") = "9"
    & skf18("6","7","2","1","10","7","1") = "9"
    & skf18("6","7","2","1","10","8","1") = "9"
    & skf18("6","7","2","1","10","9","1") = "9"
    & skf18("6","7","2","1","10","10","1") = "9"
    & skf18("6","7","2","2","1","1","1") = "6"
    & skf18("6","7","2","2","1","2","1") = "6"
    & skf18("6","7","2","2","1","3","1") = "6"
    & skf18("6","7","2","2","1","4","1") = "6"
    & skf18("6","7","2","2","1","5","1") = "6"
    & skf18("6","7","2","2","1","6","1") = "6"
    & skf18("6","7","2","2","1","7","1") = "6"
    & skf18("6","7","2","2","1","8","1") = "7"
    & skf18("6","7","2","2","1","9","1") = "8"
    & skf18("6","7","2","2","1","10","1") = "9"
    & skf18("6","7","2","2","2","1","1") = "6"
    & skf18("6","7","2","2","2","2","1") = "6"
    & skf18("6","7","2","2","2","3","1") = "6"
    & skf18("6","7","2","2","2","4","1") = "6"
    & skf18("6","7","2","2","2","5","1") = "6"
    & skf18("6","7","2","2","2","6","1") = "6"
    & skf18("6","7","2","2","2","7","1") = "6"
    & skf18("6","7","2","2","2","8","1") = "7"
    & skf18("6","7","2","2","2","9","1") = "8"
    & skf18("6","7","2","2","2","10","1") = "9"
    & skf18("6","7","2","2","3","1","1") = "6"
    & skf18("6","7","2","2","3","2","1") = "6"
    & skf18("6","7","2","2","3","3","1") = "6"
    & skf18("6","7","2","2","3","4","1") = "6"
    & skf18("6","7","2","2","3","5","1") = "6"
    & skf18("6","7","2","2","3","6","1") = "6"
    & skf18("6","7","2","2","3","7","1") = "6"
    & skf18("6","7","2","2","3","8","1") = "7"
    & skf18("6","7","2","2","3","9","1") = "8"
    & skf18("6","7","2","2","3","10","1") = "9"
    & skf18("6","7","2","2","4","1","1") = "6"
    & skf18("6","7","2","2","4","2","1") = "6"
    & skf18("6","7","2","2","4","3","1") = "6"
    & skf18("6","7","2","2","4","4","1") = "6"
    & skf18("6","7","2","2","4","5","1") = "6"
    & skf18("6","7","2","2","4","6","1") = "6"
    & skf18("6","7","2","2","4","7","1") = "6"
    & skf18("6","7","2","2","4","8","1") = "7"
    & skf18("6","7","2","2","4","9","1") = "8"
    & skf18("6","7","2","2","4","10","1") = "9"
    & skf18("6","7","2","2","5","1","1") = "6"
    & skf18("6","7","2","2","5","2","1") = "6"
    & skf18("6","7","2","2","5","3","1") = "6"
    & skf18("6","7","2","2","5","4","1") = "6"
    & skf18("6","7","2","2","5","5","1") = "6"
    & skf18("6","7","2","2","5","6","1") = "6"
    & skf18("6","7","2","2","5","7","1") = "6"
    & skf18("6","7","2","2","5","8","1") = "7"
    & skf18("6","7","2","2","5","9","1") = "8"
    & skf18("6","7","2","2","5","10","1") = "9"
    & skf18("6","7","2","2","6","1","1") = "6"
    & skf18("6","7","2","2","6","2","1") = "6"
    & skf18("6","7","2","2","6","3","1") = "6"
    & skf18("6","7","2","2","6","4","1") = "6"
    & skf18("6","7","2","2","6","5","1") = "6"
    & skf18("6","7","2","2","6","6","1") = "6"
    & skf18("6","7","2","2","6","7","1") = "6"
    & skf18("6","7","2","2","6","8","1") = "7"
    & skf18("6","7","2","2","6","9","1") = "8"
    & skf18("6","7","2","2","6","10","1") = "9"
    & skf18("6","7","2","2","7","1","1") = "6"
    & skf18("6","7","2","2","7","2","1") = "6"
    & skf18("6","7","2","2","7","3","1") = "6"
    & skf18("6","7","2","2","7","4","1") = "6"
    & skf18("6","7","2","2","7","5","1") = "6"
    & skf18("6","7","2","2","7","6","1") = "6"
    & skf18("6","7","2","2","7","7","1") = "6"
    & skf18("6","7","2","2","7","8","1") = "7"
    & skf18("6","7","2","2","7","9","1") = "8"
    & skf18("6","7","2","2","7","10","1") = "9"
    & skf18("6","7","2","2","8","1","1") = "7"
    & skf18("6","7","2","2","8","2","1") = "7"
    & skf18("6","7","2","2","8","3","1") = "7"
    & skf18("6","7","2","2","8","4","1") = "7"
    & skf18("6","7","2","2","8","5","1") = "7"
    & skf18("6","7","2","2","8","6","1") = "7"
    & skf18("6","7","2","2","8","7","1") = "7"
    & skf18("6","7","2","2","8","8","1") = "7"
    & skf18("6","7","2","2","8","9","1") = "8"
    & skf18("6","7","2","2","8","10","1") = "9"
    & skf18("6","7","2","2","9","1","1") = "8"
    & skf18("6","7","2","2","9","2","1") = "8"
    & skf18("6","7","2","2","9","3","1") = "8"
    & skf18("6","7","2","2","9","4","1") = "8"
    & skf18("6","7","2","2","9","5","1") = "8"
    & skf18("6","7","2","2","9","6","1") = "8"
    & skf18("6","7","2","2","9","7","1") = "8"
    & skf18("6","7","2","2","9","8","1") = "8"
    & skf18("6","7","2","2","9","9","1") = "8"
    & skf18("6","7","2","2","9","10","1") = "9"
    & skf18("6","7","2","2","10","1","1") = "9"
    & skf18("6","7","2","2","10","2","1") = "9"
    & skf18("6","7","2","2","10","3","1") = "9"
    & skf18("6","7","2","2","10","4","1") = "9"
    & skf18("6","7","2","2","10","5","1") = "9"
    & skf18("6","7","2","2","10","6","1") = "9"
    & skf18("6","7","2","2","10","7","1") = "9"
    & skf18("6","7","2","2","10","8","1") = "9"
    & skf18("6","7","2","2","10","9","1") = "9"
    & skf18("6","7","2","2","10","10","1") = "9"
    & skf18("6","7","2","3","1","1","1") = "6"
    & skf18("6","7","2","3","1","2","1") = "6"
    & skf18("6","7","2","3","1","3","1") = "6"
    & skf18("6","7","2","3","1","4","1") = "6"
    & skf18("6","7","2","3","1","5","1") = "6"
    & skf18("6","7","2","3","1","6","1") = "6"
    & skf18("6","7","2","3","1","7","1") = "6"
    & skf18("6","7","2","3","1","8","1") = "7"
    & skf18("6","7","2","3","1","9","1") = "8"
    & skf18("6","7","2","3","1","10","1") = "9"
    & skf18("6","7","2","3","2","1","1") = "6"
    & skf18("6","7","2","3","2","2","1") = "6"
    & skf18("6","7","2","3","2","3","1") = "6"
    & skf18("6","7","2","3","2","4","1") = "6"
    & skf18("6","7","2","3","2","5","1") = "6"
    & skf18("6","7","2","3","2","6","1") = "6"
    & skf18("6","7","2","3","2","7","1") = "6"
    & skf18("6","7","2","3","2","8","1") = "7"
    & skf18("6","7","2","3","2","9","1") = "8"
    & skf18("6","7","2","3","2","10","1") = "9"
    & skf18("6","7","2","3","3","1","1") = "6"
    & skf18("6","7","2","3","3","2","1") = "6"
    & skf18("6","7","2","3","3","3","1") = "6"
    & skf18("6","7","2","3","3","4","1") = "6"
    & skf18("6","7","2","3","3","5","1") = "6"
    & skf18("6","7","2","3","3","6","1") = "6"
    & skf18("6","7","2","3","3","7","1") = "6"
    & skf18("6","7","2","3","3","8","1") = "7"
    & skf18("6","7","2","3","3","9","1") = "8"
    & skf18("6","7","2","3","3","10","1") = "9"
    & skf18("6","7","2","3","4","1","1") = "6"
    & skf18("6","7","2","3","4","2","1") = "6"
    & skf18("6","7","2","3","4","3","1") = "6"
    & skf18("6","7","2","3","4","4","1") = "6"
    & skf18("6","7","2","3","4","5","1") = "6"
    & skf18("6","7","2","3","4","6","1") = "6"
    & skf18("6","7","2","3","4","7","1") = "6"
    & skf18("6","7","2","3","4","8","1") = "7"
    & skf18("6","7","2","3","4","9","1") = "8"
    & skf18("6","7","2","3","4","10","1") = "9"
    & skf18("6","7","2","3","5","1","1") = "6"
    & skf18("6","7","2","3","5","2","1") = "6"
    & skf18("6","7","2","3","5","3","1") = "6"
    & skf18("6","7","2","3","5","4","1") = "6"
    & skf18("6","7","2","3","5","5","1") = "6"
    & skf18("6","7","2","3","5","6","1") = "6"
    & skf18("6","7","2","3","5","7","1") = "6"
    & skf18("6","7","2","3","5","8","1") = "7"
    & skf18("6","7","2","3","5","9","1") = "8"
    & skf18("6","7","2","3","5","10","1") = "9"
    & skf18("6","7","2","3","6","1","1") = "6"
    & skf18("6","7","2","3","6","2","1") = "6"
    & skf18("6","7","2","3","6","3","1") = "6"
    & skf18("6","7","2","3","6","4","1") = "6"
    & skf18("6","7","2","3","6","5","1") = "6"
    & skf18("6","7","2","3","6","6","1") = "6"
    & skf18("6","7","2","3","6","7","1") = "6"
    & skf18("6","7","2","3","6","8","1") = "7"
    & skf18("6","7","2","3","6","9","1") = "8"
    & skf18("6","7","2","3","6","10","1") = "9"
    & skf18("6","7","2","3","7","1","1") = "6"
    & skf18("6","7","2","3","7","2","1") = "6"
    & skf18("6","7","2","3","7","3","1") = "6"
    & skf18("6","7","2","3","7","4","1") = "6"
    & skf18("6","7","2","3","7","5","1") = "6"
    & skf18("6","7","2","3","7","6","1") = "6"
    & skf18("6","7","2","3","7","7","1") = "6"
    & skf18("6","7","2","3","7","8","1") = "7"
    & skf18("6","7","2","3","7","9","1") = "8"
    & skf18("6","7","2","3","7","10","1") = "9"
    & skf18("6","7","2","3","8","1","1") = "7"
    & skf18("6","7","2","3","8","2","1") = "7"
    & skf18("6","7","2","3","8","3","1") = "7"
    & skf18("6","7","2","3","8","4","1") = "7"
    & skf18("6","7","2","3","8","5","1") = "7"
    & skf18("6","7","2","3","8","6","1") = "7"
    & skf18("6","7","2","3","8","7","1") = "7"
    & skf18("6","7","2","3","8","8","1") = "7"
    & skf18("6","7","2","3","8","9","1") = "8"
    & skf18("6","7","2","3","8","10","1") = "9"
    & skf18("6","7","2","3","9","1","1") = "8"
    & skf18("6","7","2","3","9","2","1") = "8"
    & skf18("6","7","2","3","9","3","1") = "8"
    & skf18("6","7","2","3","9","4","1") = "8"
    & skf18("6","7","2","3","9","5","1") = "8"
    & skf18("6","7","2","3","9","6","1") = "8"
    & skf18("6","7","2","3","9","7","1") = "8"
    & skf18("6","7","2","3","9","8","1") = "8"
    & skf18("6","7","2","3","9","9","1") = "8"
    & skf18("6","7","2","3","9","10","1") = "9"
    & skf18("6","7","2","3","10","1","1") = "9"
    & skf18("6","7","2","3","10","2","1") = "9"
    & skf18("6","7","2","3","10","3","1") = "9"
    & skf18("6","7","2","3","10","4","1") = "9"
    & skf18("6","7","2","3","10","5","1") = "9"
    & skf18("6","7","2","3","10","6","1") = "9"
    & skf18("6","7","2","3","10","7","1") = "9"
    & skf18("6","7","2","3","10","8","1") = "9"
    & skf18("6","7","2","3","10","9","1") = "9"
    & skf18("6","7","2","3","10","10","1") = "9"
    & skf18("6","7","2","4","1","1","1") = "6"
    & skf18("6","7","2","4","1","2","1") = "6"
    & skf18("6","7","2","4","1","3","1") = "6"
    & skf18("6","7","2","4","1","4","1") = "6"
    & skf18("6","7","2","4","1","5","1") = "6"
    & skf18("6","7","2","4","1","6","1") = "6"
    & skf18("6","7","2","4","1","7","1") = "6"
    & skf18("6","7","2","4","1","8","1") = "7"
    & skf18("6","7","2","4","1","9","1") = "8"
    & skf18("6","7","2","4","1","10","1") = "9"
    & skf18("6","7","2","4","2","1","1") = "6"
    & skf18("6","7","2","4","2","2","1") = "6"
    & skf18("6","7","2","4","2","3","1") = "6"
    & skf18("6","7","2","4","2","4","1") = "6"
    & skf18("6","7","2","4","2","5","1") = "6"
    & skf18("6","7","2","4","2","6","1") = "6"
    & skf18("6","7","2","4","2","7","1") = "6"
    & skf18("6","7","2","4","2","8","1") = "7"
    & skf18("6","7","2","4","2","9","1") = "8"
    & skf18("6","7","2","4","2","10","1") = "9"
    & skf18("6","7","2","4","3","1","1") = "6"
    & skf18("6","7","2","4","3","2","1") = "6"
    & skf18("6","7","2","4","3","3","1") = "6"
    & skf18("6","7","2","4","3","4","1") = "6"
    & skf18("6","7","2","4","3","5","1") = "6"
    & skf18("6","7","2","4","3","6","1") = "6"
    & skf18("6","7","2","4","3","7","1") = "6"
    & skf18("6","7","2","4","3","8","1") = "7"
    & skf18("6","7","2","4","3","9","1") = "8"
    & skf18("6","7","2","4","3","10","1") = "9"
    & skf18("6","7","2","4","4","1","1") = "6"
    & skf18("6","7","2","4","4","2","1") = "6"
    & skf18("6","7","2","4","4","3","1") = "6"
    & skf18("6","7","2","4","4","4","1") = "6"
    & skf18("6","7","2","4","4","5","1") = "6"
    & skf18("6","7","2","4","4","6","1") = "6"
    & skf18("6","7","2","4","4","7","1") = "6"
    & skf18("6","7","2","4","4","8","1") = "7"
    & skf18("6","7","2","4","4","9","1") = "8"
    & skf18("6","7","2","4","4","10","1") = "9"
    & skf18("6","7","2","4","5","1","1") = "6"
    & skf18("6","7","2","4","5","2","1") = "6"
    & skf18("6","7","2","4","5","3","1") = "6"
    & skf18("6","7","2","4","5","4","1") = "6"
    & skf18("6","7","2","4","5","5","1") = "6"
    & skf18("6","7","2","4","5","6","1") = "6"
    & skf18("6","7","2","4","5","7","1") = "6"
    & skf18("6","7","2","4","5","8","1") = "7"
    & skf18("6","7","2","4","5","9","1") = "8"
    & skf18("6","7","2","4","5","10","1") = "9"
    & skf18("6","7","2","4","6","1","1") = "6"
    & skf18("6","7","2","4","6","2","1") = "6"
    & skf18("6","7","2","4","6","3","1") = "6"
    & skf18("6","7","2","4","6","4","1") = "6"
    & skf18("6","7","2","4","6","5","1") = "6"
    & skf18("6","7","2","4","6","6","1") = "6"
    & skf18("6","7","2","4","6","7","1") = "6"
    & skf18("6","7","2","4","6","8","1") = "7"
    & skf18("6","7","2","4","6","9","1") = "8"
    & skf18("6","7","2","4","6","10","1") = "9"
    & skf18("6","7","2","4","7","1","1") = "6"
    & skf18("6","7","2","4","7","2","1") = "6"
    & skf18("6","7","2","4","7","3","1") = "6"
    & skf18("6","7","2","4","7","4","1") = "6"
    & skf18("6","7","2","4","7","5","1") = "6"
    & skf18("6","7","2","4","7","6","1") = "6"
    & skf18("6","7","2","4","7","7","1") = "6"
    & skf18("6","7","2","4","7","8","1") = "7"
    & skf18("6","7","2","4","7","9","1") = "8"
    & skf18("6","7","2","4","7","10","1") = "9"
    & skf18("6","7","2","4","8","1","1") = "7"
    & skf18("6","7","2","4","8","2","1") = "7"
    & skf18("6","7","2","4","8","3","1") = "7"
    & skf18("6","7","2","4","8","4","1") = "7"
    & skf18("6","7","2","4","8","5","1") = "7"
    & skf18("6","7","2","4","8","6","1") = "7"
    & skf18("6","7","2","4","8","7","1") = "7"
    & skf18("6","7","2","4","8","8","1") = "7"
    & skf18("6","7","2","4","8","9","1") = "8"
    & skf18("6","7","2","4","8","10","1") = "9"
    & skf18("6","7","2","4","9","1","1") = "8"
    & skf18("6","7","2","4","9","2","1") = "8"
    & skf18("6","7","2","4","9","3","1") = "8"
    & skf18("6","7","2","4","9","4","1") = "8"
    & skf18("6","7","2","4","9","5","1") = "8"
    & skf18("6","7","2","4","9","6","1") = "8"
    & skf18("6","7","2","4","9","7","1") = "8"
    & skf18("6","7","2","4","9","8","1") = "8"
    & skf18("6","7","2","4","9","9","1") = "8"
    & skf18("6","7","2","4","9","10","1") = "9"
    & skf18("6","7","2","4","10","1","1") = "9"
    & skf18("6","7","2","4","10","2","1") = "9"
    & skf18("6","7","2","4","10","3","1") = "9"
    & skf18("6","7","2","4","10","4","1") = "9"
    & skf18("6","7","2","4","10","5","1") = "9"
    & skf18("6","7","2","4","10","6","1") = "9"
    & skf18("6","7","2","4","10","7","1") = "9"
    & skf18("6","7","2","4","10","8","1") = "9"
    & skf18("6","7","2","4","10","9","1") = "9"
    & skf18("6","7","2","4","10","10","1") = "9"
    & skf18("6","7","2","5","1","1","1") = "6"
    & skf18("6","7","2","5","1","2","1") = "6"
    & skf18("6","7","2","5","1","3","1") = "6"
    & skf18("6","7","2","5","1","4","1") = "6"
    & skf18("6","7","2","5","1","5","1") = "6"
    & skf18("6","7","2","5","1","6","1") = "6"
    & skf18("6","7","2","5","1","7","1") = "6"
    & skf18("6","7","2","5","1","8","1") = "7"
    & skf18("6","7","2","5","1","9","1") = "8"
    & skf18("6","7","2","5","1","10","1") = "9"
    & skf18("6","7","2","5","2","1","1") = "6"
    & skf18("6","7","2","5","2","2","1") = "6"
    & skf18("6","7","2","5","2","3","1") = "6"
    & skf18("6","7","2","5","2","4","1") = "6"
    & skf18("6","7","2","5","2","5","1") = "6"
    & skf18("6","7","2","5","2","6","1") = "6"
    & skf18("6","7","2","5","2","7","1") = "6"
    & skf18("6","7","2","5","2","8","1") = "7"
    & skf18("6","7","2","5","2","9","1") = "8"
    & skf18("6","7","2","5","2","10","1") = "9"
    & skf18("6","7","2","5","3","1","1") = "6"
    & skf18("6","7","2","5","3","2","1") = "6"
    & skf18("6","7","2","5","3","3","1") = "6"
    & skf18("6","7","2","5","3","4","1") = "6"
    & skf18("6","7","2","5","3","5","1") = "6"
    & skf18("6","7","2","5","3","6","1") = "6"
    & skf18("6","7","2","5","3","7","1") = "6"
    & skf18("6","7","2","5","3","8","1") = "7"
    & skf18("6","7","2","5","3","9","1") = "8"
    & skf18("6","7","2","5","3","10","1") = "9"
    & skf18("6","7","2","5","4","1","1") = "6"
    & skf18("6","7","2","5","4","2","1") = "6"
    & skf18("6","7","2","5","4","3","1") = "6"
    & skf18("6","7","2","5","4","4","1") = "6"
    & skf18("6","7","2","5","4","5","1") = "6"
    & skf18("6","7","2","5","4","6","1") = "6"
    & skf18("6","7","2","5","4","7","1") = "6"
    & skf18("6","7","2","5","4","8","1") = "7"
    & skf18("6","7","2","5","4","9","1") = "8"
    & skf18("6","7","2","5","4","10","1") = "9"
    & skf18("6","7","2","5","5","1","1") = "6"
    & skf18("6","7","2","5","5","2","1") = "6"
    & skf18("6","7","2","5","5","3","1") = "6"
    & skf18("6","7","2","5","5","4","1") = "6"
    & skf18("6","7","2","5","5","5","1") = "6"
    & skf18("6","7","2","5","5","6","1") = "6"
    & skf18("6","7","2","5","5","7","1") = "6"
    & skf18("6","7","2","5","5","8","1") = "7"
    & skf18("6","7","2","5","5","9","1") = "8"
    & skf18("6","7","2","5","5","10","1") = "9"
    & skf18("6","7","2","5","6","1","1") = "6"
    & skf18("6","7","2","5","6","2","1") = "6"
    & skf18("6","7","2","5","6","3","1") = "6"
    & skf18("6","7","2","5","6","4","1") = "6"
    & skf18("6","7","2","5","6","5","1") = "6"
    & skf18("6","7","2","5","6","6","1") = "6"
    & skf18("6","7","2","5","6","7","1") = "6"
    & skf18("6","7","2","5","6","8","1") = "7"
    & skf18("6","7","2","5","6","9","1") = "8"
    & skf18("6","7","2","5","6","10","1") = "9"
    & skf18("6","7","2","5","7","1","1") = "6"
    & skf18("6","7","2","5","7","2","1") = "6"
    & skf18("6","7","2","5","7","3","1") = "6"
    & skf18("6","7","2","5","7","4","1") = "6"
    & skf18("6","7","2","5","7","5","1") = "6"
    & skf18("6","7","2","5","7","6","1") = "6"
    & skf18("6","7","2","5","7","7","1") = "6"
    & skf18("6","7","2","5","7","8","1") = "7"
    & skf18("6","7","2","5","7","9","1") = "8"
    & skf18("6","7","2","5","7","10","1") = "9"
    & skf18("6","7","2","5","8","1","1") = "7"
    & skf18("6","7","2","5","8","2","1") = "7"
    & skf18("6","7","2","5","8","3","1") = "7"
    & skf18("6","7","2","5","8","4","1") = "7"
    & skf18("6","7","2","5","8","5","1") = "7"
    & skf18("6","7","2","5","8","6","1") = "7"
    & skf18("6","7","2","5","8","7","1") = "7"
    & skf18("6","7","2","5","8","8","1") = "7"
    & skf18("6","7","2","5","8","9","1") = "8"
    & skf18("6","7","2","5","8","10","1") = "9"
    & skf18("6","7","2","5","9","1","1") = "8"
    & skf18("6","7","2","5","9","2","1") = "8"
    & skf18("6","7","2","5","9","3","1") = "8"
    & skf18("6","7","2","5","9","4","1") = "8"
    & skf18("6","7","2","5","9","5","1") = "8"
    & skf18("6","7","2","5","9","6","1") = "8"
    & skf18("6","7","2","5","9","7","1") = "8"
    & skf18("6","7","2","5","9","8","1") = "8"
    & skf18("6","7","2","5","9","9","1") = "8"
    & skf18("6","7","2","5","9","10","1") = "9"
    & skf18("6","7","2","5","10","1","1") = "9"
    & skf18("6","7","2","5","10","2","1") = "9"
    & skf18("6","7","2","5","10","3","1") = "9"
    & skf18("6","7","2","5","10","4","1") = "9"
    & skf18("6","7","2","5","10","5","1") = "9"
    & skf18("6","7","2","5","10","6","1") = "9"
    & skf18("6","7","2","5","10","7","1") = "9"
    & skf18("6","7","2","5","10","8","1") = "9"
    & skf18("6","7","2","5","10","9","1") = "9"
    & skf18("6","7","2","5","10","10","1") = "9"
    & skf18("6","7","2","6","1","1","1") = "6"
    & skf18("6","7","2","6","1","2","1") = "6"
    & skf18("6","7","2","6","1","3","1") = "6"
    & skf18("6","7","2","6","1","4","1") = "6"
    & skf18("6","7","2","6","1","5","1") = "6"
    & skf18("6","7","2","6","1","6","1") = "6"
    & skf18("6","7","2","6","1","7","1") = "6"
    & skf18("6","7","2","6","1","8","1") = "7"
    & skf18("6","7","2","6","1","9","1") = "8"
    & skf18("6","7","2","6","1","10","1") = "9"
    & skf18("6","7","2","6","2","1","1") = "6"
    & skf18("6","7","2","6","2","2","1") = "6"
    & skf18("6","7","2","6","2","3","1") = "6"
    & skf18("6","7","2","6","2","4","1") = "6"
    & skf18("6","7","2","6","2","5","1") = "6"
    & skf18("6","7","2","6","2","6","1") = "6"
    & skf18("6","7","2","6","2","7","1") = "6"
    & skf18("6","7","2","6","2","8","1") = "7"
    & skf18("6","7","2","6","2","9","1") = "8"
    & skf18("6","7","2","6","2","10","1") = "9"
    & skf18("6","7","2","6","3","1","1") = "6"
    & skf18("6","7","2","6","3","2","1") = "6"
    & skf18("6","7","2","6","3","3","1") = "6"
    & skf18("6","7","2","6","3","4","1") = "6"
    & skf18("6","7","2","6","3","5","1") = "6"
    & skf18("6","7","2","6","3","6","1") = "6"
    & skf18("6","7","2","6","3","7","1") = "6"
    & skf18("6","7","2","6","3","8","1") = "7"
    & skf18("6","7","2","6","3","9","1") = "8"
    & skf18("6","7","2","6","3","10","1") = "9"
    & skf18("6","7","2","6","4","1","1") = "6"
    & skf18("6","7","2","6","4","2","1") = "6"
    & skf18("6","7","2","6","4","3","1") = "6"
    & skf18("6","7","2","6","4","4","1") = "6"
    & skf18("6","7","2","6","4","5","1") = "6"
    & skf18("6","7","2","6","4","6","1") = "6"
    & skf18("6","7","2","6","4","7","1") = "6"
    & skf18("6","7","2","6","4","8","1") = "7"
    & skf18("6","7","2","6","4","9","1") = "8"
    & skf18("6","7","2","6","4","10","1") = "9"
    & skf18("6","7","2","6","5","1","1") = "6"
    & skf18("6","7","2","6","5","2","1") = "6"
    & skf18("6","7","2","6","5","3","1") = "6"
    & skf18("6","7","2","6","5","4","1") = "6"
    & skf18("6","7","2","6","5","5","1") = "6"
    & skf18("6","7","2","6","5","6","1") = "6"
    & skf18("6","7","2","6","5","7","1") = "6"
    & skf18("6","7","2","6","5","8","1") = "7"
    & skf18("6","7","2","6","5","9","1") = "8"
    & skf18("6","7","2","6","5","10","1") = "9"
    & skf18("6","7","2","6","6","1","1") = "6"
    & skf18("6","7","2","6","6","2","1") = "6"
    & skf18("6","7","2","6","6","3","1") = "6"
    & skf18("6","7","2","6","6","4","1") = "6"
    & skf18("6","7","2","6","6","5","1") = "6"
    & skf18("6","7","2","6","6","6","1") = "6"
    & skf18("6","7","2","6","6","7","1") = "6"
    & skf18("6","7","2","6","6","8","1") = "7"
    & skf18("6","7","2","6","6","9","1") = "8"
    & skf18("6","7","2","6","6","10","1") = "9"
    & skf18("6","7","2","6","7","1","1") = "6"
    & skf18("6","7","2","6","7","2","1") = "6"
    & skf18("6","7","2","6","7","3","1") = "6"
    & skf18("6","7","2","6","7","4","1") = "6"
    & skf18("6","7","2","6","7","5","1") = "6"
    & skf18("6","7","2","6","7","6","1") = "6"
    & skf18("6","7","2","6","7","7","1") = "6"
    & skf18("6","7","2","6","7","8","1") = "7"
    & skf18("6","7","2","6","7","9","1") = "8"
    & skf18("6","7","2","6","7","10","1") = "9"
    & skf18("6","7","2","6","8","1","1") = "7"
    & skf18("6","7","2","6","8","2","1") = "7"
    & skf18("6","7","2","6","8","3","1") = "7"
    & skf18("6","7","2","6","8","4","1") = "7"
    & skf18("6","7","2","6","8","5","1") = "7"
    & skf18("6","7","2","6","8","6","1") = "7"
    & skf18("6","7","2","6","8","7","1") = "7"
    & skf18("6","7","2","6","8","8","1") = "7"
    & skf18("6","7","2","6","8","9","1") = "8"
    & skf18("6","7","2","6","8","10","1") = "9"
    & skf18("6","7","2","6","9","1","1") = "8"
    & skf18("6","7","2","6","9","2","1") = "8"
    & skf18("6","7","2","6","9","3","1") = "8"
    & skf18("6","7","2","6","9","4","1") = "8"
    & skf18("6","7","2","6","9","5","1") = "8"
    & skf18("6","7","2","6","9","6","1") = "8"
    & skf18("6","7","2","6","9","7","1") = "8"
    & skf18("6","7","2","6","9","8","1") = "8"
    & skf18("6","7","2","6","9","9","1") = "8"
    & skf18("6","7","2","6","9","10","1") = "9"
    & skf18("6","7","2","6","10","1","1") = "9"
    & skf18("6","7","2","6","10","2","1") = "9"
    & skf18("6","7","2","6","10","3","1") = "9"
    & skf18("6","7","2","6","10","4","1") = "9"
    & skf18("6","7","2","6","10","5","1") = "9"
    & skf18("6","7","2","6","10","6","1") = "9"
    & skf18("6","7","2","6","10","7","1") = "9"
    & skf18("6","7","2","6","10","8","1") = "9"
    & skf18("6","7","2","6","10","9","1") = "9"
    & skf18("6","7","2","6","10","10","1") = "9"
    & skf18("6","7","2","7","1","1","1") = "6"
    & skf18("6","7","2","7","1","2","1") = "6"
    & skf18("6","7","2","7","1","3","1") = "6"
    & skf18("6","7","2","7","1","4","1") = "6"
    & skf18("6","7","2","7","1","5","1") = "6"
    & skf18("6","7","2","7","1","6","1") = "6"
    & skf18("6","7","2","7","1","7","1") = "6"
    & skf18("6","7","2","7","1","8","1") = "7"
    & skf18("6","7","2","7","1","9","1") = "8"
    & skf18("6","7","2","7","1","10","1") = "9"
    & skf18("6","7","2","7","2","1","1") = "6"
    & skf18("6","7","2","7","2","2","1") = "6"
    & skf18("6","7","2","7","2","3","1") = "6"
    & skf18("6","7","2","7","2","4","1") = "6"
    & skf18("6","7","2","7","2","5","1") = "6"
    & skf18("6","7","2","7","2","6","1") = "6"
    & skf18("6","7","2","7","2","7","1") = "6"
    & skf18("6","7","2","7","2","8","1") = "7"
    & skf18("6","7","2","7","2","9","1") = "8"
    & skf18("6","7","2","7","2","10","1") = "9"
    & skf18("6","7","2","7","3","1","1") = "6"
    & skf18("6","7","2","7","3","2","1") = "6"
    & skf18("6","7","2","7","3","3","1") = "6"
    & skf18("6","7","2","7","3","4","1") = "6"
    & skf18("6","7","2","7","3","5","1") = "6"
    & skf18("6","7","2","7","3","6","1") = "6"
    & skf18("6","7","2","7","3","7","1") = "6"
    & skf18("6","7","2","7","3","8","1") = "7"
    & skf18("6","7","2","7","3","9","1") = "8"
    & skf18("6","7","2","7","3","10","1") = "9"
    & skf18("6","7","2","7","4","1","1") = "6"
    & skf18("6","7","2","7","4","2","1") = "6"
    & skf18("6","7","2","7","4","3","1") = "6"
    & skf18("6","7","2","7","4","4","1") = "6"
    & skf18("6","7","2","7","4","5","1") = "6"
    & skf18("6","7","2","7","4","6","1") = "6"
    & skf18("6","7","2","7","4","7","1") = "6"
    & skf18("6","7","2","7","4","8","1") = "7"
    & skf18("6","7","2","7","4","9","1") = "8"
    & skf18("6","7","2","7","4","10","1") = "9"
    & skf18("6","7","2","7","5","1","1") = "6"
    & skf18("6","7","2","7","5","2","1") = "6"
    & skf18("6","7","2","7","5","3","1") = "6"
    & skf18("6","7","2","7","5","4","1") = "6"
    & skf18("6","7","2","7","5","5","1") = "6"
    & skf18("6","7","2","7","5","6","1") = "6"
    & skf18("6","7","2","7","5","7","1") = "6"
    & skf18("6","7","2","7","5","8","1") = "7"
    & skf18("6","7","2","7","5","9","1") = "8"
    & skf18("6","7","2","7","5","10","1") = "9"
    & skf18("6","7","2","7","6","1","1") = "6"
    & skf18("6","7","2","7","6","2","1") = "6"
    & skf18("6","7","2","7","6","3","1") = "6"
    & skf18("6","7","2","7","6","4","1") = "6"
    & skf18("6","7","2","7","6","5","1") = "6"
    & skf18("6","7","2","7","6","6","1") = "6"
    & skf18("6","7","2","7","6","7","1") = "6"
    & skf18("6","7","2","7","6","8","1") = "7"
    & skf18("6","7","2","7","6","9","1") = "8"
    & skf18("6","7","2","7","6","10","1") = "9"
    & skf18("6","7","2","7","7","1","1") = "6"
    & skf18("6","7","2","7","7","2","1") = "6"
    & skf18("6","7","2","7","7","3","1") = "6"
    & skf18("6","7","2","7","7","4","1") = "6"
    & skf18("6","7","2","7","7","5","1") = "6"
    & skf18("6","7","2","7","7","6","1") = "6"
    & skf18("6","7","2","7","7","7","1") = "6"
    & skf18("6","7","2","7","7","8","1") = "7"
    & skf18("6","7","2","7","7","9","1") = "8"
    & skf18("6","7","2","7","7","10","1") = "9"
    & skf18("6","7","2","7","8","1","1") = "7"
    & skf18("6","7","2","7","8","2","1") = "7"
    & skf18("6","7","2","7","8","3","1") = "7"
    & skf18("6","7","2","7","8","4","1") = "7"
    & skf18("6","7","2","7","8","5","1") = "7"
    & skf18("6","7","2","7","8","6","1") = "7"
    & skf18("6","7","2","7","8","7","1") = "7"
    & skf18("6","7","2","7","8","8","1") = "7"
    & skf18("6","7","2","7","8","9","1") = "8"
    & skf18("6","7","2","7","8","10","1") = "9"
    & skf18("6","7","2","7","9","1","1") = "8"
    & skf18("6","7","2","7","9","2","1") = "8"
    & skf18("6","7","2","7","9","3","1") = "8"
    & skf18("6","7","2","7","9","4","1") = "8"
    & skf18("6","7","2","7","9","5","1") = "8"
    & skf18("6","7","2","7","9","6","1") = "8"
    & skf18("6","7","2","7","9","7","1") = "8"
    & skf18("6","7","2","7","9","8","1") = "8"
    & skf18("6","7","2","7","9","9","1") = "8"
    & skf18("6","7","2","7","9","10","1") = "9"
    & skf18("6","7","2","7","10","1","1") = "9"
    & skf18("6","7","2","7","10","2","1") = "9"
    & skf18("6","7","2","7","10","3","1") = "9"
    & skf18("6","7","2","7","10","4","1") = "9"
    & skf18("6","7","2","7","10","5","1") = "9"
    & skf18("6","7","2","7","10","6","1") = "9"
    & skf18("6","7","2","7","10","7","1") = "9"
    & skf18("6","7","2","7","10","8","1") = "9"
    & skf18("6","7","2","7","10","9","1") = "9"
    & skf18("6","7","2","7","10","10","1") = "9"
    & skf18("6","7","2","8","1","1","1") = "7"
    & skf18("6","7","2","8","1","2","1") = "7"
    & skf18("6","7","2","8","1","3","1") = "7"
    & skf18("6","7","2","8","1","4","1") = "7"
    & skf18("6","7","2","8","1","5","1") = "7"
    & skf18("6","7","2","8","1","6","1") = "7"
    & skf18("6","7","2","8","1","7","1") = "7"
    & skf18("6","7","2","8","1","8","1") = "7"
    & skf18("6","7","2","8","1","9","1") = "8"
    & skf18("6","7","2","8","1","10","1") = "9"
    & skf18("6","7","2","8","2","1","1") = "7"
    & skf18("6","7","2","8","2","2","1") = "7"
    & skf18("6","7","2","8","2","3","1") = "7"
    & skf18("6","7","2","8","2","4","1") = "7"
    & skf18("6","7","2","8","2","5","1") = "7"
    & skf18("6","7","2","8","2","6","1") = "7"
    & skf18("6","7","2","8","2","7","1") = "7"
    & skf18("6","7","2","8","2","8","1") = "7"
    & skf18("6","7","2","8","2","9","1") = "8"
    & skf18("6","7","2","8","2","10","1") = "9"
    & skf18("6","7","2","8","3","1","1") = "7"
    & skf18("6","7","2","8","3","2","1") = "7"
    & skf18("6","7","2","8","3","3","1") = "7"
    & skf18("6","7","2","8","3","4","1") = "7"
    & skf18("6","7","2","8","3","5","1") = "7"
    & skf18("6","7","2","8","3","6","1") = "7"
    & skf18("6","7","2","8","3","7","1") = "7"
    & skf18("6","7","2","8","3","8","1") = "7"
    & skf18("6","7","2","8","3","9","1") = "8"
    & skf18("6","7","2","8","3","10","1") = "9"
    & skf18("6","7","2","8","4","1","1") = "7"
    & skf18("6","7","2","8","4","2","1") = "7"
    & skf18("6","7","2","8","4","3","1") = "7"
    & skf18("6","7","2","8","4","4","1") = "7"
    & skf18("6","7","2","8","4","5","1") = "7"
    & skf18("6","7","2","8","4","6","1") = "7"
    & skf18("6","7","2","8","4","7","1") = "7"
    & skf18("6","7","2","8","4","8","1") = "7"
    & skf18("6","7","2","8","4","9","1") = "8"
    & skf18("6","7","2","8","4","10","1") = "9"
    & skf18("6","7","2","8","5","1","1") = "7"
    & skf18("6","7","2","8","5","2","1") = "7"
    & skf18("6","7","2","8","5","3","1") = "7"
    & skf18("6","7","2","8","5","4","1") = "7"
    & skf18("6","7","2","8","5","5","1") = "7"
    & skf18("6","7","2","8","5","6","1") = "7"
    & skf18("6","7","2","8","5","7","1") = "7"
    & skf18("6","7","2","8","5","8","1") = "7"
    & skf18("6","7","2","8","5","9","1") = "8"
    & skf18("6","7","2","8","5","10","1") = "9"
    & skf18("6","7","2","8","6","1","1") = "7"
    & skf18("6","7","2","8","6","2","1") = "7"
    & skf18("6","7","2","8","6","3","1") = "7"
    & skf18("6","7","2","8","6","4","1") = "7"
    & skf18("6","7","2","8","6","5","1") = "7"
    & skf18("6","7","2","8","6","6","1") = "7"
    & skf18("6","7","2","8","6","7","1") = "7"
    & skf18("6","7","2","8","6","8","1") = "7"
    & skf18("6","7","2","8","6","9","1") = "8"
    & skf18("6","7","2","8","6","10","1") = "9"
    & skf18("6","7","2","8","7","1","1") = "7"
    & skf18("6","7","2","8","7","2","1") = "7"
    & skf18("6","7","2","8","7","3","1") = "7"
    & skf18("6","7","2","8","7","4","1") = "7"
    & skf18("6","7","2","8","7","5","1") = "7"
    & skf18("6","7","2","8","7","6","1") = "7"
    & skf18("6","7","2","8","7","7","1") = "7"
    & skf18("6","7","2","8","7","8","1") = "7"
    & skf18("6","7","2","8","7","9","1") = "8"
    & skf18("6","7","2","8","7","10","1") = "9"
    & skf18("6","7","2","8","8","1","1") = "7"
    & skf18("6","7","2","8","8","2","1") = "7"
    & skf18("6","7","2","8","8","3","1") = "7"
    & skf18("6","7","2","8","8","4","1") = "7"
    & skf18("6","7","2","8","8","5","1") = "7"
    & skf18("6","7","2","8","8","6","1") = "7"
    & skf18("6","7","2","8","8","7","1") = "7"
    & skf18("6","7","2","8","8","8","1") = "7"
    & skf18("6","7","2","8","8","9","1") = "8"
    & skf18("6","7","2","8","8","10","1") = "9"
    & skf18("6","7","2","8","9","1","1") = "8"
    & skf18("6","7","2","8","9","2","1") = "8"
    & skf18("6","7","2","8","9","3","1") = "8"
    & skf18("6","7","2","8","9","4","1") = "8"
    & skf18("6","7","2","8","9","5","1") = "8"
    & skf18("6","7","2","8","9","6","1") = "8"
    & skf18("6","7","2","8","9","7","1") = "8"
    & skf18("6","7","2","8","9","8","1") = "8"
    & skf18("6","7","2","8","9","9","1") = "8"
    & skf18("6","7","2","8","9","10","1") = "9"
    & skf18("6","7","2","8","10","1","1") = "9"
    & skf18("6","7","2","8","10","2","1") = "9"
    & skf18("6","7","2","8","10","3","1") = "9"
    & skf18("6","7","2","8","10","4","1") = "9"
    & skf18("6","7","2","8","10","5","1") = "9"
    & skf18("6","7","2","8","10","6","1") = "9"
    & skf18("6","7","2","8","10","7","1") = "9"
    & skf18("6","7","2","8","10","8","1") = "9"
    & skf18("6","7","2","8","10","9","1") = "9"
    & skf18("6","7","2","8","10","10","1") = "9"
    & skf18("6","7","2","9","1","1","1") = "8"
    & skf18("6","7","2","9","1","2","1") = "8"
    & skf18("6","7","2","9","1","3","1") = "8"
    & skf18("6","7","2","9","1","4","1") = "8"
    & skf18("6","7","2","9","1","5","1") = "8"
    & skf18("6","7","2","9","1","6","1") = "8"
    & skf18("6","7","2","9","1","7","1") = "8"
    & skf18("6","7","2","9","1","8","1") = "8"
    & skf18("6","7","2","9","1","9","1") = "8"
    & skf18("6","7","2","9","1","10","1") = "9"
    & skf18("6","7","2","9","2","1","1") = "8"
    & skf18("6","7","2","9","2","2","1") = "8"
    & skf18("6","7","2","9","2","3","1") = "8"
    & skf18("6","7","2","9","2","4","1") = "8"
    & skf18("6","7","2","9","2","5","1") = "8"
    & skf18("6","7","2","9","2","6","1") = "8"
    & skf18("6","7","2","9","2","7","1") = "8"
    & skf18("6","7","2","9","2","8","1") = "8"
    & skf18("6","7","2","9","2","9","1") = "8"
    & skf18("6","7","2","9","2","10","1") = "9"
    & skf18("6","7","2","9","3","1","1") = "8"
    & skf18("6","7","2","9","3","2","1") = "8"
    & skf18("6","7","2","9","3","3","1") = "8"
    & skf18("6","7","2","9","3","4","1") = "8"
    & skf18("6","7","2","9","3","5","1") = "8"
    & skf18("6","7","2","9","3","6","1") = "8"
    & skf18("6","7","2","9","3","7","1") = "8"
    & skf18("6","7","2","9","3","8","1") = "8"
    & skf18("6","7","2","9","3","9","1") = "8"
    & skf18("6","7","2","9","3","10","1") = "9"
    & skf18("6","7","2","9","4","1","1") = "8"
    & skf18("6","7","2","9","4","2","1") = "8"
    & skf18("6","7","2","9","4","3","1") = "8"
    & skf18("6","7","2","9","4","4","1") = "8"
    & skf18("6","7","2","9","4","5","1") = "8"
    & skf18("6","7","2","9","4","6","1") = "8"
    & skf18("6","7","2","9","4","7","1") = "8"
    & skf18("6","7","2","9","4","8","1") = "8"
    & skf18("6","7","2","9","4","9","1") = "8"
    & skf18("6","7","2","9","4","10","1") = "9"
    & skf18("6","7","2","9","5","1","1") = "8"
    & skf18("6","7","2","9","5","2","1") = "8"
    & skf18("6","7","2","9","5","3","1") = "8"
    & skf18("6","7","2","9","5","4","1") = "8"
    & skf18("6","7","2","9","5","5","1") = "8"
    & skf18("6","7","2","9","5","6","1") = "8"
    & skf18("6","7","2","9","5","7","1") = "8"
    & skf18("6","7","2","9","5","8","1") = "8"
    & skf18("6","7","2","9","5","9","1") = "8"
    & skf18("6","7","2","9","5","10","1") = "9"
    & skf18("6","7","2","9","6","1","1") = "8"
    & skf18("6","7","2","9","6","2","1") = "8"
    & skf18("6","7","2","9","6","3","1") = "8"
    & skf18("6","7","2","9","6","4","1") = "8"
    & skf18("6","7","2","9","6","5","1") = "8"
    & skf18("6","7","2","9","6","6","1") = "8"
    & skf18("6","7","2","9","6","7","1") = "8"
    & skf18("6","7","2","9","6","8","1") = "8"
    & skf18("6","7","2","9","6","9","1") = "8"
    & skf18("6","7","2","9","6","10","1") = "9"
    & skf18("6","7","2","9","7","1","1") = "8"
    & skf18("6","7","2","9","7","2","1") = "8"
    & skf18("6","7","2","9","7","3","1") = "8"
    & skf18("6","7","2","9","7","4","1") = "8"
    & skf18("6","7","2","9","7","5","1") = "8"
    & skf18("6","7","2","9","7","6","1") = "8"
    & skf18("6","7","2","9","7","7","1") = "8"
    & skf18("6","7","2","9","7","8","1") = "8"
    & skf18("6","7","2","9","7","9","1") = "8"
    & skf18("6","7","2","9","7","10","1") = "9"
    & skf18("6","7","2","9","8","1","1") = "8"
    & skf18("6","7","2","9","8","2","1") = "8"
    & skf18("6","7","2","9","8","3","1") = "8"
    & skf18("6","7","2","9","8","4","1") = "8"
    & skf18("6","7","2","9","8","5","1") = "8"
    & skf18("6","7","2","9","8","6","1") = "8"
    & skf18("6","7","2","9","8","7","1") = "8"
    & skf18("6","7","2","9","8","8","1") = "8"
    & skf18("6","7","2","9","8","9","1") = "8"
    & skf18("6","7","2","9","8","10","1") = "9"
    & skf18("6","7","2","9","9","1","1") = "8"
    & skf18("6","7","2","9","9","2","1") = "8"
    & skf18("6","7","2","9","9","3","1") = "8"
    & skf18("6","7","2","9","9","4","1") = "8"
    & skf18("6","7","2","9","9","5","1") = "8"
    & skf18("6","7","2","9","9","6","1") = "8"
    & skf18("6","7","2","9","9","7","1") = "8"
    & skf18("6","7","2","9","9","8","1") = "8"
    & skf18("6","7","2","9","9","9","1") = "8"
    & skf18("6","7","2","9","9","10","1") = "9"
    & skf18("6","7","2","9","10","1","1") = "9"
    & skf18("6","7","2","9","10","2","1") = "9"
    & skf18("6","7","2","9","10","3","1") = "9"
    & skf18("6","7","2","9","10","4","1") = "9"
    & skf18("6","7","2","9","10","5","1") = "9"
    & skf18("6","7","2","9","10","6","1") = "9"
    & skf18("6","7","2","9","10","7","1") = "9"
    & skf18("6","7","2","9","10","8","1") = "9"
    & skf18("6","7","2","9","10","9","1") = "9"
    & skf18("6","7","2","9","10","10","1") = "9"
    & skf18("6","7","2","10","1","1","1") = "9"
    & skf18("6","7","2","10","1","2","1") = "9"
    & skf18("6","7","2","10","1","3","1") = "9"
    & skf18("6","7","2","10","1","4","1") = "9"
    & skf18("6","7","2","10","1","5","1") = "9"
    & skf18("6","7","2","10","1","6","1") = "9"
    & skf18("6","7","2","10","1","7","1") = "9"
    & skf18("6","7","2","10","1","8","1") = "9"
    & skf18("6","7","2","10","1","9","1") = "9"
    & skf18("6","7","2","10","1","10","1") = "9"
    & skf18("6","7","2","10","2","1","1") = "9"
    & skf18("6","7","2","10","2","2","1") = "9"
    & skf18("6","7","2","10","2","3","1") = "9"
    & skf18("6","7","2","10","2","4","1") = "9"
    & skf18("6","7","2","10","2","5","1") = "9"
    & skf18("6","7","2","10","2","6","1") = "9"
    & skf18("6","7","2","10","2","7","1") = "9"
    & skf18("6","7","2","10","2","8","1") = "9"
    & skf18("6","7","2","10","2","9","1") = "9"
    & skf18("6","7","2","10","2","10","1") = "9"
    & skf18("6","7","2","10","3","1","1") = "9"
    & skf18("6","7","2","10","3","2","1") = "9"
    & skf18("6","7","2","10","3","3","1") = "9"
    & skf18("6","7","2","10","3","4","1") = "9"
    & skf18("6","7","2","10","3","5","1") = "9"
    & skf18("6","7","2","10","3","6","1") = "9"
    & skf18("6","7","2","10","3","7","1") = "9"
    & skf18("6","7","2","10","3","8","1") = "9"
    & skf18("6","7","2","10","3","9","1") = "9"
    & skf18("6","7","2","10","3","10","1") = "9"
    & skf18("6","7","2","10","4","1","1") = "9"
    & skf18("6","7","2","10","4","2","1") = "9"
    & skf18("6","7","2","10","4","3","1") = "9"
    & skf18("6","7","2","10","4","4","1") = "9"
    & skf18("6","7","2","10","4","5","1") = "9"
    & skf18("6","7","2","10","4","6","1") = "9"
    & skf18("6","7","2","10","4","7","1") = "9"
    & skf18("6","7","2","10","4","8","1") = "9"
    & skf18("6","7","2","10","4","9","1") = "9"
    & skf18("6","7","2","10","4","10","1") = "9"
    & skf18("6","7","2","10","5","1","1") = "9"
    & skf18("6","7","2","10","5","2","1") = "9"
    & skf18("6","7","2","10","5","3","1") = "9"
    & skf18("6","7","2","10","5","4","1") = "9"
    & skf18("6","7","2","10","5","5","1") = "9"
    & skf18("6","7","2","10","5","6","1") = "9"
    & skf18("6","7","2","10","5","7","1") = "9"
    & skf18("6","7","2","10","5","8","1") = "9"
    & skf18("6","7","2","10","5","9","1") = "9"
    & skf18("6","7","2","10","5","10","1") = "9"
    & skf18("6","7","2","10","6","1","1") = "9"
    & skf18("6","7","2","10","6","2","1") = "9"
    & skf18("6","7","2","10","6","3","1") = "9"
    & skf18("6","7","2","10","6","4","1") = "9"
    & skf18("6","7","2","10","6","5","1") = "9"
    & skf18("6","7","2","10","6","6","1") = "9"
    & skf18("6","7","2","10","6","7","1") = "9"
    & skf18("6","7","2","10","6","8","1") = "9"
    & skf18("6","7","2","10","6","9","1") = "9"
    & skf18("6","7","2","10","6","10","1") = "9"
    & skf18("6","7","2","10","7","1","1") = "9"
    & skf18("6","7","2","10","7","2","1") = "9"
    & skf18("6","7","2","10","7","3","1") = "9"
    & skf18("6","7","2","10","7","4","1") = "9"
    & skf18("6","7","2","10","7","5","1") = "9"
    & skf18("6","7","2","10","7","6","1") = "9"
    & skf18("6","7","2","10","7","7","1") = "9"
    & skf18("6","7","2","10","7","8","1") = "9"
    & skf18("6","7","2","10","7","9","1") = "9"
    & skf18("6","7","2","10","7","10","1") = "9"
    & skf18("6","7","2","10","8","1","1") = "9"
    & skf18("6","7","2","10","8","2","1") = "9"
    & skf18("6","7","2","10","8","3","1") = "9"
    & skf18("6","7","2","10","8","4","1") = "9"
    & skf18("6","7","2","10","8","5","1") = "9"
    & skf18("6","7","2","10","8","6","1") = "9"
    & skf18("6","7","2","10","8","7","1") = "9"
    & skf18("6","7","2","10","8","8","1") = "9"
    & skf18("6","7","2","10","8","9","1") = "9"
    & skf18("6","7","2","10","8","10","1") = "9"
    & skf18("6","7","2","10","9","1","1") = "9"
    & skf18("6","7","2","10","9","2","1") = "9"
    & skf18("6","7","2","10","9","3","1") = "9"
    & skf18("6","7","2","10","9","4","1") = "9"
    & skf18("6","7","2","10","9","5","1") = "9"
    & skf18("6","7","2","10","9","6","1") = "9"
    & skf18("6","7","2","10","9","7","1") = "9"
    & skf18("6","7","2","10","9","8","1") = "9"
    & skf18("6","7","2","10","9","9","1") = "9"
    & skf18("6","7","2","10","9","10","1") = "9"
    & skf18("6","7","2","10","10","1","1") = "9"
    & skf18("6","7","2","10","10","2","1") = "9"
    & skf18("6","7","2","10","10","3","1") = "9"
    & skf18("6","7","2","10","10","4","1") = "9"
    & skf18("6","7","2","10","10","5","1") = "9"
    & skf18("6","7","2","10","10","6","1") = "9"
    & skf18("6","7","2","10","10","7","1") = "9"
    & skf18("6","7","2","10","10","8","1") = "9"
    & skf18("6","7","2","10","10","9","1") = "9"
    & skf18("6","7","2","10","10","10","1") = "9"
    & skf18("6","7","3","1","1","1","1") = "6"
    & skf18("6","7","3","1","1","2","1") = "6"
    & skf18("6","7","3","1","1","3","1") = "6"
    & skf18("6","7","3","1","1","4","1") = "6"
    & skf18("6","7","3","1","1","5","1") = "6"
    & skf18("6","7","3","1","1","6","1") = "6"
    & skf18("6","7","3","1","1","7","1") = "6"
    & skf18("6","7","3","1","1","8","1") = "7"
    & skf18("6","7","3","1","1","9","1") = "8"
    & skf18("6","7","3","1","1","10","1") = "9"
    & skf18("6","7","3","1","2","1","1") = "6"
    & skf18("6","7","3","1","2","2","1") = "6"
    & skf18("6","7","3","1","2","3","1") = "6"
    & skf18("6","7","3","1","2","4","1") = "6"
    & skf18("6","7","3","1","2","5","1") = "6"
    & skf18("6","7","3","1","2","6","1") = "6"
    & skf18("6","7","3","1","2","7","1") = "6"
    & skf18("6","7","3","1","2","8","1") = "7"
    & skf18("6","7","3","1","2","9","1") = "8"
    & skf18("6","7","3","1","2","10","1") = "9"
    & skf18("6","7","3","1","3","1","1") = "6"
    & skf18("6","7","3","1","3","2","1") = "6"
    & skf18("6","7","3","1","3","3","1") = "6"
    & skf18("6","7","3","1","3","4","1") = "6"
    & skf18("6","7","3","1","3","5","1") = "6"
    & skf18("6","7","3","1","3","6","1") = "6"
    & skf18("6","7","3","1","3","7","1") = "6"
    & skf18("6","7","3","1","3","8","1") = "7"
    & skf18("6","7","3","1","3","9","1") = "8"
    & skf18("6","7","3","1","3","10","1") = "9"
    & skf18("6","7","3","1","4","1","1") = "6"
    & skf18("6","7","3","1","4","2","1") = "6"
    & skf18("6","7","3","1","4","3","1") = "6"
    & skf18("6","7","3","1","4","4","1") = "6"
    & skf18("6","7","3","1","4","5","1") = "6"
    & skf18("6","7","3","1","4","6","1") = "6"
    & skf18("6","7","3","1","4","7","1") = "6"
    & skf18("6","7","3","1","4","8","1") = "7"
    & skf18("6","7","3","1","4","9","1") = "8"
    & skf18("6","7","3","1","4","10","1") = "9"
    & skf18("6","7","3","1","5","1","1") = "6"
    & skf18("6","7","3","1","5","2","1") = "6"
    & skf18("6","7","3","1","5","3","1") = "6"
    & skf18("6","7","3","1","5","4","1") = "6"
    & skf18("6","7","3","1","5","5","1") = "6"
    & skf18("6","7","3","1","5","6","1") = "6"
    & skf18("6","7","3","1","5","7","1") = "6"
    & skf18("6","7","3","1","5","8","1") = "7"
    & skf18("6","7","3","1","5","9","1") = "8"
    & skf18("6","7","3","1","5","10","1") = "9"
    & skf18("6","7","3","1","6","1","1") = "6"
    & skf18("6","7","3","1","6","2","1") = "6"
    & skf18("6","7","3","1","6","3","1") = "6"
    & skf18("6","7","3","1","6","4","1") = "6"
    & skf18("6","7","3","1","6","5","1") = "6"
    & skf18("6","7","3","1","6","6","1") = "6"
    & skf18("6","7","3","1","6","7","1") = "6"
    & skf18("6","7","3","1","6","8","1") = "7"
    & skf18("6","7","3","1","6","9","1") = "8"
    & skf18("6","7","3","1","6","10","1") = "9"
    & skf18("6","7","3","1","7","1","1") = "6"
    & skf18("6","7","3","1","7","2","1") = "6"
    & skf18("6","7","3","1","7","3","1") = "6"
    & skf18("6","7","3","1","7","4","1") = "6"
    & skf18("6","7","3","1","7","5","1") = "6"
    & skf18("6","7","3","1","7","6","1") = "6"
    & skf18("6","7","3","1","7","7","1") = "6"
    & skf18("6","7","3","1","7","8","1") = "7"
    & skf18("6","7","3","1","7","9","1") = "8"
    & skf18("6","7","3","1","7","10","1") = "9"
    & skf18("6","7","3","1","8","1","1") = "7"
    & skf18("6","7","3","1","8","2","1") = "7"
    & skf18("6","7","3","1","8","3","1") = "7"
    & skf18("6","7","3","1","8","4","1") = "7"
    & skf18("6","7","3","1","8","5","1") = "7"
    & skf18("6","7","3","1","8","6","1") = "7"
    & skf18("6","7","3","1","8","7","1") = "7"
    & skf18("6","7","3","1","8","8","1") = "7"
    & skf18("6","7","3","1","8","9","1") = "8"
    & skf18("6","7","3","1","8","10","1") = "9"
    & skf18("6","7","3","1","9","1","1") = "8"
    & skf18("6","7","3","1","9","2","1") = "8"
    & skf18("6","7","3","1","9","3","1") = "8"
    & skf18("6","7","3","1","9","4","1") = "8"
    & skf18("6","7","3","1","9","5","1") = "8"
    & skf18("6","7","3","1","9","6","1") = "8"
    & skf18("6","7","3","1","9","7","1") = "8"
    & skf18("6","7","3","1","9","8","1") = "8"
    & skf18("6","7","3","1","9","9","1") = "8"
    & skf18("6","7","3","1","9","10","1") = "9"
    & skf18("6","7","3","1","10","1","1") = "9"
    & skf18("6","7","3","1","10","2","1") = "9"
    & skf18("6","7","3","1","10","3","1") = "9"
    & skf18("6","7","3","1","10","4","1") = "9"
    & skf18("6","7","3","1","10","5","1") = "9"
    & skf18("6","7","3","1","10","6","1") = "9"
    & skf18("6","7","3","1","10","7","1") = "9"
    & skf18("6","7","3","1","10","8","1") = "9"
    & skf18("6","7","3","1","10","9","1") = "9"
    & skf18("6","7","3","1","10","10","1") = "9"
    & skf18("6","7","3","2","1","1","1") = "6"
    & skf18("6","7","3","2","1","2","1") = "6"
    & skf18("6","7","3","2","1","3","1") = "6"
    & skf18("6","7","3","2","1","4","1") = "6"
    & skf18("6","7","3","2","1","5","1") = "6"
    & skf18("6","7","3","2","1","6","1") = "6"
    & skf18("6","7","3","2","1","7","1") = "6"
    & skf18("6","7","3","2","1","8","1") = "7"
    & skf18("6","7","3","2","1","9","1") = "8"
    & skf18("6","7","3","2","1","10","1") = "9"
    & skf18("6","7","3","2","2","1","1") = "6"
    & skf18("6","7","3","2","2","2","1") = "6"
    & skf18("6","7","3","2","2","3","1") = "6"
    & skf18("6","7","3","2","2","4","1") = "6"
    & skf18("6","7","3","2","2","5","1") = "6"
    & skf18("6","7","3","2","2","6","1") = "6"
    & skf18("6","7","3","2","2","7","1") = "6"
    & skf18("6","7","3","2","2","8","1") = "7"
    & skf18("6","7","3","2","2","9","1") = "8"
    & skf18("6","7","3","2","2","10","1") = "9"
    & skf18("6","7","3","2","3","1","1") = "6"
    & skf18("6","7","3","2","3","2","1") = "6"
    & skf18("6","7","3","2","3","3","1") = "6"
    & skf18("6","7","3","2","3","4","1") = "6"
    & skf18("6","7","3","2","3","5","1") = "6"
    & skf18("6","7","3","2","3","6","1") = "6"
    & skf18("6","7","3","2","3","7","1") = "6"
    & skf18("6","7","3","2","3","8","1") = "7"
    & skf18("6","7","3","2","3","9","1") = "8"
    & skf18("6","7","3","2","3","10","1") = "9"
    & skf18("6","7","3","2","4","1","1") = "6"
    & skf18("6","7","3","2","4","2","1") = "6"
    & skf18("6","7","3","2","4","3","1") = "6"
    & skf18("6","7","3","2","4","4","1") = "6"
    & skf18("6","7","3","2","4","5","1") = "6"
    & skf18("6","7","3","2","4","6","1") = "6"
    & skf18("6","7","3","2","4","7","1") = "6"
    & skf18("6","7","3","2","4","8","1") = "7"
    & skf18("6","7","3","2","4","9","1") = "8"
    & skf18("6","7","3","2","4","10","1") = "9"
    & skf18("6","7","3","2","5","1","1") = "6"
    & skf18("6","7","3","2","5","2","1") = "6"
    & skf18("6","7","3","2","5","3","1") = "6"
    & skf18("6","7","3","2","5","4","1") = "6"
    & skf18("6","7","3","2","5","5","1") = "6"
    & skf18("6","7","3","2","5","6","1") = "6"
    & skf18("6","7","3","2","5","7","1") = "6"
    & skf18("6","7","3","2","5","8","1") = "7"
    & skf18("6","7","3","2","5","9","1") = "8"
    & skf18("6","7","3","2","5","10","1") = "9"
    & skf18("6","7","3","2","6","1","1") = "6"
    & skf18("6","7","3","2","6","2","1") = "6"
    & skf18("6","7","3","2","6","3","1") = "6"
    & skf18("6","7","3","2","6","4","1") = "6"
    & skf18("6","7","3","2","6","5","1") = "6"
    & skf18("6","7","3","2","6","6","1") = "6"
    & skf18("6","7","3","2","6","7","1") = "6"
    & skf18("6","7","3","2","6","8","1") = "7"
    & skf18("6","7","3","2","6","9","1") = "8"
    & skf18("6","7","3","2","6","10","1") = "9"
    & skf18("6","7","3","2","7","1","1") = "6"
    & skf18("6","7","3","2","7","2","1") = "6"
    & skf18("6","7","3","2","7","3","1") = "6"
    & skf18("6","7","3","2","7","4","1") = "6"
    & skf18("6","7","3","2","7","5","1") = "6"
    & skf18("6","7","3","2","7","6","1") = "6"
    & skf18("6","7","3","2","7","7","1") = "6"
    & skf18("6","7","3","2","7","8","1") = "7"
    & skf18("6","7","3","2","7","9","1") = "8"
    & skf18("6","7","3","2","7","10","1") = "9"
    & skf18("6","7","3","2","8","1","1") = "7"
    & skf18("6","7","3","2","8","2","1") = "7"
    & skf18("6","7","3","2","8","3","1") = "7"
    & skf18("6","7","3","2","8","4","1") = "7"
    & skf18("6","7","3","2","8","5","1") = "7"
    & skf18("6","7","3","2","8","6","1") = "7"
    & skf18("6","7","3","2","8","7","1") = "7"
    & skf18("6","7","3","2","8","8","1") = "7"
    & skf18("6","7","3","2","8","9","1") = "8"
    & skf18("6","7","3","2","8","10","1") = "9"
    & skf18("6","7","3","2","9","1","1") = "8"
    & skf18("6","7","3","2","9","2","1") = "8"
    & skf18("6","7","3","2","9","3","1") = "8"
    & skf18("6","7","3","2","9","4","1") = "8"
    & skf18("6","7","3","2","9","5","1") = "8"
    & skf18("6","7","3","2","9","6","1") = "8"
    & skf18("6","7","3","2","9","7","1") = "8"
    & skf18("6","7","3","2","9","8","1") = "8"
    & skf18("6","7","3","2","9","9","1") = "8"
    & skf18("6","7","3","2","9","10","1") = "9"
    & skf18("6","7","3","2","10","1","1") = "9"
    & skf18("6","7","3","2","10","2","1") = "9"
    & skf18("6","7","3","2","10","3","1") = "9"
    & skf18("6","7","3","2","10","4","1") = "9"
    & skf18("6","7","3","2","10","5","1") = "9"
    & skf18("6","7","3","2","10","6","1") = "9"
    & skf18("6","7","3","2","10","7","1") = "9"
    & skf18("6","7","3","2","10","8","1") = "9"
    & skf18("6","7","3","2","10","9","1") = "9"
    & skf18("6","7","3","2","10","10","1") = "9"
    & skf18("6","7","3","3","1","1","1") = "6"
    & skf18("6","7","3","3","1","2","1") = "6"
    & skf18("6","7","3","3","1","3","1") = "6"
    & skf18("6","7","3","3","1","4","1") = "6"
    & skf18("6","7","3","3","1","5","1") = "6"
    & skf18("6","7","3","3","1","6","1") = "6"
    & skf18("6","7","3","3","1","7","1") = "6"
    & skf18("6","7","3","3","1","8","1") = "7"
    & skf18("6","7","3","3","1","9","1") = "8"
    & skf18("6","7","3","3","1","10","1") = "9"
    & skf18("6","7","3","3","2","1","1") = "6"
    & skf18("6","7","3","3","2","2","1") = "6"
    & skf18("6","7","3","3","2","3","1") = "6"
    & skf18("6","7","3","3","2","4","1") = "6"
    & skf18("6","7","3","3","2","5","1") = "6"
    & skf18("6","7","3","3","2","6","1") = "6"
    & skf18("6","7","3","3","2","7","1") = "6"
    & skf18("6","7","3","3","2","8","1") = "7"
    & skf18("6","7","3","3","2","9","1") = "8"
    & skf18("6","7","3","3","2","10","1") = "9"
    & skf18("6","7","3","3","3","1","1") = "6"
    & skf18("6","7","3","3","3","2","1") = "6"
    & skf18("6","7","3","3","3","3","1") = "6"
    & skf18("6","7","3","3","3","4","1") = "6"
    & skf18("6","7","3","3","3","5","1") = "6"
    & skf18("6","7","3","3","3","6","1") = "6"
    & skf18("6","7","3","3","3","7","1") = "6"
    & skf18("6","7","3","3","3","8","1") = "7"
    & skf18("6","7","3","3","3","9","1") = "8"
    & skf18("6","7","3","3","3","10","1") = "9"
    & skf18("6","7","3","3","4","1","1") = "6"
    & skf18("6","7","3","3","4","2","1") = "6"
    & skf18("6","7","3","3","4","3","1") = "6"
    & skf18("6","7","3","3","4","4","1") = "6"
    & skf18("6","7","3","3","4","5","1") = "6"
    & skf18("6","7","3","3","4","6","1") = "6"
    & skf18("6","7","3","3","4","7","1") = "6"
    & skf18("6","7","3","3","4","8","1") = "7"
    & skf18("6","7","3","3","4","9","1") = "8"
    & skf18("6","7","3","3","4","10","1") = "9"
    & skf18("6","7","3","3","5","1","1") = "6"
    & skf18("6","7","3","3","5","2","1") = "6"
    & skf18("6","7","3","3","5","3","1") = "6"
    & skf18("6","7","3","3","5","4","1") = "6"
    & skf18("6","7","3","3","5","5","1") = "6"
    & skf18("6","7","3","3","5","6","1") = "6"
    & skf18("6","7","3","3","5","7","1") = "6"
    & skf18("6","7","3","3","5","8","1") = "7"
    & skf18("6","7","3","3","5","9","1") = "8"
    & skf18("6","7","3","3","5","10","1") = "9"
    & skf18("6","7","3","3","6","1","1") = "6"
    & skf18("6","7","3","3","6","2","1") = "6"
    & skf18("6","7","3","3","6","3","1") = "6"
    & skf18("6","7","3","3","6","4","1") = "6"
    & skf18("6","7","3","3","6","5","1") = "6"
    & skf18("6","7","3","3","6","6","1") = "6"
    & skf18("6","7","3","3","6","7","1") = "6"
    & skf18("6","7","3","3","6","8","1") = "7"
    & skf18("6","7","3","3","6","9","1") = "8"
    & skf18("6","7","3","3","6","10","1") = "9"
    & skf18("6","7","3","3","7","1","1") = "6"
    & skf18("6","7","3","3","7","2","1") = "6"
    & skf18("6","7","3","3","7","3","1") = "6"
    & skf18("6","7","3","3","7","4","1") = "6"
    & skf18("6","7","3","3","7","5","1") = "6"
    & skf18("6","7","3","3","7","6","1") = "6"
    & skf18("6","7","3","3","7","7","1") = "6"
    & skf18("6","7","3","3","7","8","1") = "7"
    & skf18("6","7","3","3","7","9","1") = "8"
    & skf18("6","7","3","3","7","10","1") = "9"
    & skf18("6","7","3","3","8","1","1") = "7"
    & skf18("6","7","3","3","8","2","1") = "7"
    & skf18("6","7","3","3","8","3","1") = "7"
    & skf18("6","7","3","3","8","4","1") = "7"
    & skf18("6","7","3","3","8","5","1") = "7"
    & skf18("6","7","3","3","8","6","1") = "7"
    & skf18("6","7","3","3","8","7","1") = "7"
    & skf18("6","7","3","3","8","8","1") = "7"
    & skf18("6","7","3","3","8","9","1") = "8"
    & skf18("6","7","3","3","8","10","1") = "9"
    & skf18("6","7","3","3","9","1","1") = "8"
    & skf18("6","7","3","3","9","2","1") = "8"
    & skf18("6","7","3","3","9","3","1") = "8"
    & skf18("6","7","3","3","9","4","1") = "8"
    & skf18("6","7","3","3","9","5","1") = "8"
    & skf18("6","7","3","3","9","6","1") = "8"
    & skf18("6","7","3","3","9","7","1") = "8"
    & skf18("6","7","3","3","9","8","1") = "8"
    & skf18("6","7","3","3","9","9","1") = "8"
    & skf18("6","7","3","3","9","10","1") = "9"
    & skf18("6","7","3","3","10","1","1") = "9"
    & skf18("6","7","3","3","10","2","1") = "9"
    & skf18("6","7","3","3","10","3","1") = "9"
    & skf18("6","7","3","3","10","4","1") = "9"
    & skf18("6","7","3","3","10","5","1") = "9"
    & skf18("6","7","3","3","10","6","1") = "9"
    & skf18("6","7","3","3","10","7","1") = "9"
    & skf18("6","7","3","3","10","8","1") = "9"
    & skf18("6","7","3","3","10","9","1") = "9"
    & skf18("6","7","3","3","10","10","1") = "9"
    & skf18("6","7","3","4","1","1","1") = "6"
    & skf18("6","7","3","4","1","2","1") = "6"
    & skf18("6","7","3","4","1","3","1") = "6"
    & skf18("6","7","3","4","1","4","1") = "6"
    & skf18("6","7","3","4","1","5","1") = "6"
    & skf18("6","7","3","4","1","6","1") = "6"
    & skf18("6","7","3","4","1","7","1") = "6"
    & skf18("6","7","3","4","1","8","1") = "7"
    & skf18("6","7","3","4","1","9","1") = "8"
    & skf18("6","7","3","4","1","10","1") = "9"
    & skf18("6","7","3","4","2","1","1") = "6"
    & skf18("6","7","3","4","2","2","1") = "6"
    & skf18("6","7","3","4","2","3","1") = "6"
    & skf18("6","7","3","4","2","4","1") = "6"
    & skf18("6","7","3","4","2","5","1") = "6"
    & skf18("6","7","3","4","2","6","1") = "6"
    & skf18("6","7","3","4","2","7","1") = "6"
    & skf18("6","7","3","4","2","8","1") = "7"
    & skf18("6","7","3","4","2","9","1") = "8"
    & skf18("6","7","3","4","2","10","1") = "9"
    & skf18("6","7","3","4","3","1","1") = "6"
    & skf18("6","7","3","4","3","2","1") = "6"
    & skf18("6","7","3","4","3","3","1") = "6"
    & skf18("6","7","3","4","3","4","1") = "6"
    & skf18("6","7","3","4","3","5","1") = "6"
    & skf18("6","7","3","4","3","6","1") = "6"
    & skf18("6","7","3","4","3","7","1") = "6"
    & skf18("6","7","3","4","3","8","1") = "7"
    & skf18("6","7","3","4","3","9","1") = "8"
    & skf18("6","7","3","4","3","10","1") = "9"
    & skf18("6","7","3","4","4","1","1") = "6"
    & skf18("6","7","3","4","4","2","1") = "6"
    & skf18("6","7","3","4","4","3","1") = "6"
    & skf18("6","7","3","4","4","4","1") = "6"
    & skf18("6","7","3","4","4","5","1") = "6"
    & skf18("6","7","3","4","4","6","1") = "6"
    & skf18("6","7","3","4","4","7","1") = "6"
    & skf18("6","7","3","4","4","8","1") = "7"
    & skf18("6","7","3","4","4","9","1") = "8"
    & skf18("6","7","3","4","4","10","1") = "9"
    & skf18("6","7","3","4","5","1","1") = "6"
    & skf18("6","7","3","4","5","2","1") = "6"
    & skf18("6","7","3","4","5","3","1") = "6"
    & skf18("6","7","3","4","5","4","1") = "6"
    & skf18("6","7","3","4","5","5","1") = "6"
    & skf18("6","7","3","4","5","6","1") = "6"
    & skf18("6","7","3","4","5","7","1") = "6"
    & skf18("6","7","3","4","5","8","1") = "7"
    & skf18("6","7","3","4","5","9","1") = "8"
    & skf18("6","7","3","4","5","10","1") = "9"
    & skf18("6","7","3","4","6","1","1") = "6"
    & skf18("6","7","3","4","6","2","1") = "6"
    & skf18("6","7","3","4","6","3","1") = "6"
    & skf18("6","7","3","4","6","4","1") = "6"
    & skf18("6","7","3","4","6","5","1") = "6"
    & skf18("6","7","3","4","6","6","1") = "6"
    & skf18("6","7","3","4","6","7","1") = "6"
    & skf18("6","7","3","4","6","8","1") = "7"
    & skf18("6","7","3","4","6","9","1") = "8"
    & skf18("6","7","3","4","6","10","1") = "9"
    & skf18("6","7","3","4","7","1","1") = "6"
    & skf18("6","7","3","4","7","2","1") = "6"
    & skf18("6","7","3","4","7","3","1") = "6"
    & skf18("6","7","3","4","7","4","1") = "6"
    & skf18("6","7","3","4","7","5","1") = "6"
    & skf18("6","7","3","4","7","6","1") = "6"
    & skf18("6","7","3","4","7","7","1") = "6"
    & skf18("6","7","3","4","7","8","1") = "7"
    & skf18("6","7","3","4","7","9","1") = "8"
    & skf18("6","7","3","4","7","10","1") = "9"
    & skf18("6","7","3","4","8","1","1") = "7"
    & skf18("6","7","3","4","8","2","1") = "7"
    & skf18("6","7","3","4","8","3","1") = "7"
    & skf18("6","7","3","4","8","4","1") = "7"
    & skf18("6","7","3","4","8","5","1") = "7"
    & skf18("6","7","3","4","8","6","1") = "7"
    & skf18("6","7","3","4","8","7","1") = "7"
    & skf18("6","7","3","4","8","8","1") = "7"
    & skf18("6","7","3","4","8","9","1") = "8"
    & skf18("6","7","3","4","8","10","1") = "9"
    & skf18("6","7","3","4","9","1","1") = "8"
    & skf18("6","7","3","4","9","2","1") = "8"
    & skf18("6","7","3","4","9","3","1") = "8"
    & skf18("6","7","3","4","9","4","1") = "8"
    & skf18("6","7","3","4","9","5","1") = "8"
    & skf18("6","7","3","4","9","6","1") = "8"
    & skf18("6","7","3","4","9","7","1") = "8"
    & skf18("6","7","3","4","9","8","1") = "8"
    & skf18("6","7","3","4","9","9","1") = "8"
    & skf18("6","7","3","4","9","10","1") = "9"
    & skf18("6","7","3","4","10","1","1") = "9"
    & skf18("6","7","3","4","10","2","1") = "9"
    & skf18("6","7","3","4","10","3","1") = "9"
    & skf18("6","7","3","4","10","4","1") = "9"
    & skf18("6","7","3","4","10","5","1") = "9"
    & skf18("6","7","3","4","10","6","1") = "9"
    & skf18("6","7","3","4","10","7","1") = "9"
    & skf18("6","7","3","4","10","8","1") = "9"
    & skf18("6","7","3","4","10","9","1") = "9"
    & skf18("6","7","3","4","10","10","1") = "9"
    & skf18("6","7","3","5","1","1","1") = "6"
    & skf18("6","7","3","5","1","2","1") = "6"
    & skf18("6","7","3","5","1","3","1") = "6"
    & skf18("6","7","3","5","1","4","1") = "6"
    & skf18("6","7","3","5","1","5","1") = "6"
    & skf18("6","7","3","5","1","6","1") = "6"
    & skf18("6","7","3","5","1","7","1") = "6"
    & skf18("6","7","3","5","1","8","1") = "7"
    & skf18("6","7","3","5","1","9","1") = "8"
    & skf18("6","7","3","5","1","10","1") = "9"
    & skf18("6","7","3","5","2","1","1") = "6"
    & skf18("6","7","3","5","2","2","1") = "6"
    & skf18("6","7","3","5","2","3","1") = "6"
    & skf18("6","7","3","5","2","4","1") = "6"
    & skf18("6","7","3","5","2","5","1") = "6"
    & skf18("6","7","3","5","2","6","1") = "6"
    & skf18("6","7","3","5","2","7","1") = "6"
    & skf18("6","7","3","5","2","8","1") = "7"
    & skf18("6","7","3","5","2","9","1") = "8"
    & skf18("6","7","3","5","2","10","1") = "9"
    & skf18("6","7","3","5","3","1","1") = "6"
    & skf18("6","7","3","5","3","2","1") = "6"
    & skf18("6","7","3","5","3","3","1") = "6"
    & skf18("6","7","3","5","3","4","1") = "6"
    & skf18("6","7","3","5","3","5","1") = "6"
    & skf18("6","7","3","5","3","6","1") = "6"
    & skf18("6","7","3","5","3","7","1") = "6"
    & skf18("6","7","3","5","3","8","1") = "7"
    & skf18("6","7","3","5","3","9","1") = "8"
    & skf18("6","7","3","5","3","10","1") = "9"
    & skf18("6","7","3","5","4","1","1") = "6"
    & skf18("6","7","3","5","4","2","1") = "6"
    & skf18("6","7","3","5","4","3","1") = "6"
    & skf18("6","7","3","5","4","4","1") = "6"
    & skf18("6","7","3","5","4","5","1") = "6"
    & skf18("6","7","3","5","4","6","1") = "6"
    & skf18("6","7","3","5","4","7","1") = "6"
    & skf18("6","7","3","5","4","8","1") = "7"
    & skf18("6","7","3","5","4","9","1") = "8"
    & skf18("6","7","3","5","4","10","1") = "9"
    & skf18("6","7","3","5","5","1","1") = "6"
    & skf18("6","7","3","5","5","2","1") = "6"
    & skf18("6","7","3","5","5","3","1") = "6"
    & skf18("6","7","3","5","5","4","1") = "6"
    & skf18("6","7","3","5","5","5","1") = "6"
    & skf18("6","7","3","5","5","6","1") = "6"
    & skf18("6","7","3","5","5","7","1") = "6"
    & skf18("6","7","3","5","5","8","1") = "7"
    & skf18("6","7","3","5","5","9","1") = "8"
    & skf18("6","7","3","5","5","10","1") = "9"
    & skf18("6","7","3","5","6","1","1") = "6"
    & skf18("6","7","3","5","6","2","1") = "6"
    & skf18("6","7","3","5","6","3","1") = "6"
    & skf18("6","7","3","5","6","4","1") = "6"
    & skf18("6","7","3","5","6","5","1") = "6"
    & skf18("6","7","3","5","6","6","1") = "6"
    & skf18("6","7","3","5","6","7","1") = "6"
    & skf18("6","7","3","5","6","8","1") = "7"
    & skf18("6","7","3","5","6","9","1") = "8"
    & skf18("6","7","3","5","6","10","1") = "9"
    & skf18("6","7","3","5","7","1","1") = "6"
    & skf18("6","7","3","5","7","2","1") = "6"
    & skf18("6","7","3","5","7","3","1") = "6"
    & skf18("6","7","3","5","7","4","1") = "6"
    & skf18("6","7","3","5","7","5","1") = "6"
    & skf18("6","7","3","5","7","6","1") = "6"
    & skf18("6","7","3","5","7","7","1") = "6"
    & skf18("6","7","3","5","7","8","1") = "7"
    & skf18("6","7","3","5","7","9","1") = "8"
    & skf18("6","7","3","5","7","10","1") = "9"
    & skf18("6","7","3","5","8","1","1") = "7"
    & skf18("6","7","3","5","8","2","1") = "7"
    & skf18("6","7","3","5","8","3","1") = "7"
    & skf18("6","7","3","5","8","4","1") = "7"
    & skf18("6","7","3","5","8","5","1") = "7"
    & skf18("6","7","3","5","8","6","1") = "7"
    & skf18("6","7","3","5","8","7","1") = "7"
    & skf18("6","7","3","5","8","8","1") = "7"
    & skf18("6","7","3","5","8","9","1") = "8"
    & skf18("6","7","3","5","8","10","1") = "9"
    & skf18("6","7","3","5","9","1","1") = "8"
    & skf18("6","7","3","5","9","2","1") = "8"
    & skf18("6","7","3","5","9","3","1") = "8"
    & skf18("6","7","3","5","9","4","1") = "8"
    & skf18("6","7","3","5","9","5","1") = "8"
    & skf18("6","7","3","5","9","6","1") = "8"
    & skf18("6","7","3","5","9","7","1") = "8"
    & skf18("6","7","3","5","9","8","1") = "8"
    & skf18("6","7","3","5","9","9","1") = "8"
    & skf18("6","7","3","5","9","10","1") = "9"
    & skf18("6","7","3","5","10","1","1") = "9"
    & skf18("6","7","3","5","10","2","1") = "9"
    & skf18("6","7","3","5","10","3","1") = "9"
    & skf18("6","7","3","5","10","4","1") = "9"
    & skf18("6","7","3","5","10","5","1") = "9"
    & skf18("6","7","3","5","10","6","1") = "9"
    & skf18("6","7","3","5","10","7","1") = "9"
    & skf18("6","7","3","5","10","8","1") = "9"
    & skf18("6","7","3","5","10","9","1") = "9"
    & skf18("6","7","3","5","10","10","1") = "9"
    & skf18("6","7","3","6","1","1","1") = "6"
    & skf18("6","7","3","6","1","2","1") = "6"
    & skf18("6","7","3","6","1","3","1") = "6"
    & skf18("6","7","3","6","1","4","1") = "6"
    & skf18("6","7","3","6","1","5","1") = "6"
    & skf18("6","7","3","6","1","6","1") = "6"
    & skf18("6","7","3","6","1","7","1") = "6"
    & skf18("6","7","3","6","1","8","1") = "7"
    & skf18("6","7","3","6","1","9","1") = "8"
    & skf18("6","7","3","6","1","10","1") = "9"
    & skf18("6","7","3","6","2","1","1") = "6"
    & skf18("6","7","3","6","2","2","1") = "6"
    & skf18("6","7","3","6","2","3","1") = "6"
    & skf18("6","7","3","6","2","4","1") = "6"
    & skf18("6","7","3","6","2","5","1") = "6"
    & skf18("6","7","3","6","2","6","1") = "6"
    & skf18("6","7","3","6","2","7","1") = "6"
    & skf18("6","7","3","6","2","8","1") = "7"
    & skf18("6","7","3","6","2","9","1") = "8"
    & skf18("6","7","3","6","2","10","1") = "9"
    & skf18("6","7","3","6","3","1","1") = "6"
    & skf18("6","7","3","6","3","2","1") = "6"
    & skf18("6","7","3","6","3","3","1") = "6"
    & skf18("6","7","3","6","3","4","1") = "6"
    & skf18("6","7","3","6","3","5","1") = "6"
    & skf18("6","7","3","6","3","6","1") = "6"
    & skf18("6","7","3","6","3","7","1") = "6"
    & skf18("6","7","3","6","3","8","1") = "7"
    & skf18("6","7","3","6","3","9","1") = "8"
    & skf18("6","7","3","6","3","10","1") = "9"
    & skf18("6","7","3","6","4","1","1") = "6"
    & skf18("6","7","3","6","4","2","1") = "6"
    & skf18("6","7","3","6","4","3","1") = "6"
    & skf18("6","7","3","6","4","4","1") = "6"
    & skf18("6","7","3","6","4","5","1") = "6"
    & skf18("6","7","3","6","4","6","1") = "6"
    & skf18("6","7","3","6","4","7","1") = "6"
    & skf18("6","7","3","6","4","8","1") = "7"
    & skf18("6","7","3","6","4","9","1") = "8"
    & skf18("6","7","3","6","4","10","1") = "9"
    & skf18("6","7","3","6","5","1","1") = "6"
    & skf18("6","7","3","6","5","2","1") = "6"
    & skf18("6","7","3","6","5","3","1") = "6"
    & skf18("6","7","3","6","5","4","1") = "6"
    & skf18("6","7","3","6","5","5","1") = "6"
    & skf18("6","7","3","6","5","6","1") = "6"
    & skf18("6","7","3","6","5","7","1") = "6"
    & skf18("6","7","3","6","5","8","1") = "7"
    & skf18("6","7","3","6","5","9","1") = "8"
    & skf18("6","7","3","6","5","10","1") = "9"
    & skf18("6","7","3","6","6","1","1") = "6"
    & skf18("6","7","3","6","6","2","1") = "6"
    & skf18("6","7","3","6","6","3","1") = "6"
    & skf18("6","7","3","6","6","4","1") = "6"
    & skf18("6","7","3","6","6","5","1") = "6"
    & skf18("6","7","3","6","6","6","1") = "6"
    & skf18("6","7","3","6","6","7","1") = "6"
    & skf18("6","7","3","6","6","8","1") = "7"
    & skf18("6","7","3","6","6","9","1") = "8"
    & skf18("6","7","3","6","6","10","1") = "9"
    & skf18("6","7","3","6","7","1","1") = "6"
    & skf18("6","7","3","6","7","2","1") = "6"
    & skf18("6","7","3","6","7","3","1") = "6"
    & skf18("6","7","3","6","7","4","1") = "6"
    & skf18("6","7","3","6","7","5","1") = "6"
    & skf18("6","7","3","6","7","6","1") = "6"
    & skf18("6","7","3","6","7","7","1") = "6"
    & skf18("6","7","3","6","7","8","1") = "7"
    & skf18("6","7","3","6","7","9","1") = "8"
    & skf18("6","7","3","6","7","10","1") = "9"
    & skf18("6","7","3","6","8","1","1") = "7"
    & skf18("6","7","3","6","8","2","1") = "7"
    & skf18("6","7","3","6","8","3","1") = "7"
    & skf18("6","7","3","6","8","4","1") = "7"
    & skf18("6","7","3","6","8","5","1") = "7"
    & skf18("6","7","3","6","8","6","1") = "7"
    & skf18("6","7","3","6","8","7","1") = "7"
    & skf18("6","7","3","6","8","8","1") = "7"
    & skf18("6","7","3","6","8","9","1") = "8"
    & skf18("6","7","3","6","8","10","1") = "9"
    & skf18("6","7","3","6","9","1","1") = "8"
    & skf18("6","7","3","6","9","2","1") = "8"
    & skf18("6","7","3","6","9","3","1") = "8"
    & skf18("6","7","3","6","9","4","1") = "8"
    & skf18("6","7","3","6","9","5","1") = "8"
    & skf18("6","7","3","6","9","6","1") = "8"
    & skf18("6","7","3","6","9","7","1") = "8"
    & skf18("6","7","3","6","9","8","1") = "8"
    & skf18("6","7","3","6","9","9","1") = "8"
    & skf18("6","7","3","6","9","10","1") = "9"
    & skf18("6","7","3","6","10","1","1") = "9"
    & skf18("6","7","3","6","10","2","1") = "9"
    & skf18("6","7","3","6","10","3","1") = "9"
    & skf18("6","7","3","6","10","4","1") = "9"
    & skf18("6","7","3","6","10","5","1") = "9"
    & skf18("6","7","3","6","10","6","1") = "9"
    & skf18("6","7","3","6","10","7","1") = "9"
    & skf18("6","7","3","6","10","8","1") = "9"
    & skf18("6","7","3","6","10","9","1") = "9"
    & skf18("6","7","3","6","10","10","1") = "9"
    & skf18("6","7","3","7","1","1","1") = "6"
    & skf18("6","7","3","7","1","2","1") = "6"
    & skf18("6","7","3","7","1","3","1") = "6"
    & skf18("6","7","3","7","1","4","1") = "6"
    & skf18("6","7","3","7","1","5","1") = "6"
    & skf18("6","7","3","7","1","6","1") = "6"
    & skf18("6","7","3","7","1","7","1") = "6"
    & skf18("6","7","3","7","1","8","1") = "7"
    & skf18("6","7","3","7","1","9","1") = "8"
    & skf18("6","7","3","7","1","10","1") = "9"
    & skf18("6","7","3","7","2","1","1") = "6"
    & skf18("6","7","3","7","2","2","1") = "6"
    & skf18("6","7","3","7","2","3","1") = "6"
    & skf18("6","7","3","7","2","4","1") = "6"
    & skf18("6","7","3","7","2","5","1") = "6"
    & skf18("6","7","3","7","2","6","1") = "6"
    & skf18("6","7","3","7","2","7","1") = "6"
    & skf18("6","7","3","7","2","8","1") = "7"
    & skf18("6","7","3","7","2","9","1") = "8"
    & skf18("6","7","3","7","2","10","1") = "9"
    & skf18("6","7","3","7","3","1","1") = "6"
    & skf18("6","7","3","7","3","2","1") = "6"
    & skf18("6","7","3","7","3","3","1") = "6"
    & skf18("6","7","3","7","3","4","1") = "6"
    & skf18("6","7","3","7","3","5","1") = "6"
    & skf18("6","7","3","7","3","6","1") = "6"
    & skf18("6","7","3","7","3","7","1") = "6"
    & skf18("6","7","3","7","3","8","1") = "7"
    & skf18("6","7","3","7","3","9","1") = "8"
    & skf18("6","7","3","7","3","10","1") = "9"
    & skf18("6","7","3","7","4","1","1") = "6"
    & skf18("6","7","3","7","4","2","1") = "6"
    & skf18("6","7","3","7","4","3","1") = "6"
    & skf18("6","7","3","7","4","4","1") = "6"
    & skf18("6","7","3","7","4","5","1") = "6"
    & skf18("6","7","3","7","4","6","1") = "6"
    & skf18("6","7","3","7","4","7","1") = "6"
    & skf18("6","7","3","7","4","8","1") = "7"
    & skf18("6","7","3","7","4","9","1") = "8"
    & skf18("6","7","3","7","4","10","1") = "9"
    & skf18("6","7","3","7","5","1","1") = "6"
    & skf18("6","7","3","7","5","2","1") = "6"
    & skf18("6","7","3","7","5","3","1") = "6"
    & skf18("6","7","3","7","5","4","1") = "6"
    & skf18("6","7","3","7","5","5","1") = "6"
    & skf18("6","7","3","7","5","6","1") = "6"
    & skf18("6","7","3","7","5","7","1") = "6"
    & skf18("6","7","3","7","5","8","1") = "7"
    & skf18("6","7","3","7","5","9","1") = "8"
    & skf18("6","7","3","7","5","10","1") = "9"
    & skf18("6","7","3","7","6","1","1") = "6"
    & skf18("6","7","3","7","6","2","1") = "6"
    & skf18("6","7","3","7","6","3","1") = "6"
    & skf18("6","7","3","7","6","4","1") = "6"
    & skf18("6","7","3","7","6","5","1") = "6"
    & skf18("6","7","3","7","6","6","1") = "6"
    & skf18("6","7","3","7","6","7","1") = "6"
    & skf18("6","7","3","7","6","8","1") = "7"
    & skf18("6","7","3","7","6","9","1") = "8"
    & skf18("6","7","3","7","6","10","1") = "9"
    & skf18("6","7","3","7","7","1","1") = "6"
    & skf18("6","7","3","7","7","2","1") = "6"
    & skf18("6","7","3","7","7","3","1") = "6"
    & skf18("6","7","3","7","7","4","1") = "6"
    & skf18("6","7","3","7","7","5","1") = "6"
    & skf18("6","7","3","7","7","6","1") = "6"
    & skf18("6","7","3","7","7","7","1") = "6"
    & skf18("6","7","3","7","7","8","1") = "7"
    & skf18("6","7","3","7","7","9","1") = "8"
    & skf18("6","7","3","7","7","10","1") = "9"
    & skf18("6","7","3","7","8","1","1") = "7"
    & skf18("6","7","3","7","8","2","1") = "7"
    & skf18("6","7","3","7","8","3","1") = "7"
    & skf18("6","7","3","7","8","4","1") = "7"
    & skf18("6","7","3","7","8","5","1") = "7"
    & skf18("6","7","3","7","8","6","1") = "7"
    & skf18("6","7","3","7","8","7","1") = "7"
    & skf18("6","7","3","7","8","8","1") = "7"
    & skf18("6","7","3","7","8","9","1") = "8"
    & skf18("6","7","3","7","8","10","1") = "9"
    & skf18("6","7","3","7","9","1","1") = "8"
    & skf18("6","7","3","7","9","2","1") = "8"
    & skf18("6","7","3","7","9","3","1") = "8"
    & skf18("6","7","3","7","9","4","1") = "8"
    & skf18("6","7","3","7","9","5","1") = "8"
    & skf18("6","7","3","7","9","6","1") = "8"
    & skf18("6","7","3","7","9","7","1") = "8"
    & skf18("6","7","3","7","9","8","1") = "8"
    & skf18("6","7","3","7","9","9","1") = "8"
    & skf18("6","7","3","7","9","10","1") = "9"
    & skf18("6","7","3","7","10","1","1") = "9"
    & skf18("6","7","3","7","10","2","1") = "9"
    & skf18("6","7","3","7","10","3","1") = "9"
    & skf18("6","7","3","7","10","4","1") = "9"
    & skf18("6","7","3","7","10","5","1") = "9"
    & skf18("6","7","3","7","10","6","1") = "9"
    & skf18("6","7","3","7","10","7","1") = "9"
    & skf18("6","7","3","7","10","8","1") = "9"
    & skf18("6","7","3","7","10","9","1") = "9"
    & skf18("6","7","3","7","10","10","1") = "9"
    & skf18("6","7","3","8","1","1","1") = "7"
    & skf18("6","7","3","8","1","2","1") = "7"
    & skf18("6","7","3","8","1","3","1") = "7"
    & skf18("6","7","3","8","1","4","1") = "7"
    & skf18("6","7","3","8","1","5","1") = "7"
    & skf18("6","7","3","8","1","6","1") = "7"
    & skf18("6","7","3","8","1","7","1") = "7"
    & skf18("6","7","3","8","1","8","1") = "7"
    & skf18("6","7","3","8","1","9","1") = "8"
    & skf18("6","7","3","8","1","10","1") = "9"
    & skf18("6","7","3","8","2","1","1") = "7"
    & skf18("6","7","3","8","2","2","1") = "7"
    & skf18("6","7","3","8","2","3","1") = "7"
    & skf18("6","7","3","8","2","4","1") = "7"
    & skf18("6","7","3","8","2","5","1") = "7"
    & skf18("6","7","3","8","2","6","1") = "7"
    & skf18("6","7","3","8","2","7","1") = "7"
    & skf18("6","7","3","8","2","8","1") = "7"
    & skf18("6","7","3","8","2","9","1") = "8"
    & skf18("6","7","3","8","2","10","1") = "9"
    & skf18("6","7","3","8","3","1","1") = "7"
    & skf18("6","7","3","8","3","2","1") = "7"
    & skf18("6","7","3","8","3","3","1") = "7"
    & skf18("6","7","3","8","3","4","1") = "7"
    & skf18("6","7","3","8","3","5","1") = "7"
    & skf18("6","7","3","8","3","6","1") = "7"
    & skf18("6","7","3","8","3","7","1") = "7"
    & skf18("6","7","3","8","3","8","1") = "7"
    & skf18("6","7","3","8","3","9","1") = "8"
    & skf18("6","7","3","8","3","10","1") = "9"
    & skf18("6","7","3","8","4","1","1") = "7"
    & skf18("6","7","3","8","4","2","1") = "7"
    & skf18("6","7","3","8","4","3","1") = "7"
    & skf18("6","7","3","8","4","4","1") = "7"
    & skf18("6","7","3","8","4","5","1") = "7"
    & skf18("6","7","3","8","4","6","1") = "7"
    & skf18("6","7","3","8","4","7","1") = "7"
    & skf18("6","7","3","8","4","8","1") = "7"
    & skf18("6","7","3","8","4","9","1") = "8"
    & skf18("6","7","3","8","4","10","1") = "9"
    & skf18("6","7","3","8","5","1","1") = "7"
    & skf18("6","7","3","8","5","2","1") = "7"
    & skf18("6","7","3","8","5","3","1") = "7"
    & skf18("6","7","3","8","5","4","1") = "7"
    & skf18("6","7","3","8","5","5","1") = "7"
    & skf18("6","7","3","8","5","6","1") = "7"
    & skf18("6","7","3","8","5","7","1") = "7"
    & skf18("6","7","3","8","5","8","1") = "7"
    & skf18("6","7","3","8","5","9","1") = "8"
    & skf18("6","7","3","8","5","10","1") = "9"
    & skf18("6","7","3","8","6","1","1") = "7"
    & skf18("6","7","3","8","6","2","1") = "7"
    & skf18("6","7","3","8","6","3","1") = "7"
    & skf18("6","7","3","8","6","4","1") = "7"
    & skf18("6","7","3","8","6","5","1") = "7"
    & skf18("6","7","3","8","6","6","1") = "7"
    & skf18("6","7","3","8","6","7","1") = "7"
    & skf18("6","7","3","8","6","8","1") = "7"
    & skf18("6","7","3","8","6","9","1") = "8"
    & skf18("6","7","3","8","6","10","1") = "9"
    & skf18("6","7","3","8","7","1","1") = "7"
    & skf18("6","7","3","8","7","2","1") = "7"
    & skf18("6","7","3","8","7","3","1") = "7"
    & skf18("6","7","3","8","7","4","1") = "7"
    & skf18("6","7","3","8","7","5","1") = "7"
    & skf18("6","7","3","8","7","6","1") = "7"
    & skf18("6","7","3","8","7","7","1") = "7"
    & skf18("6","7","3","8","7","8","1") = "7"
    & skf18("6","7","3","8","7","9","1") = "8"
    & skf18("6","7","3","8","7","10","1") = "9"
    & skf18("6","7","3","8","8","1","1") = "7"
    & skf18("6","7","3","8","8","2","1") = "7"
    & skf18("6","7","3","8","8","3","1") = "7"
    & skf18("6","7","3","8","8","4","1") = "7"
    & skf18("6","7","3","8","8","5","1") = "7"
    & skf18("6","7","3","8","8","6","1") = "7"
    & skf18("6","7","3","8","8","7","1") = "7"
    & skf18("6","7","3","8","8","8","1") = "7"
    & skf18("6","7","3","8","8","9","1") = "8"
    & skf18("6","7","3","8","8","10","1") = "9"
    & skf18("6","7","3","8","9","1","1") = "8"
    & skf18("6","7","3","8","9","2","1") = "8"
    & skf18("6","7","3","8","9","3","1") = "8"
    & skf18("6","7","3","8","9","4","1") = "8"
    & skf18("6","7","3","8","9","5","1") = "8"
    & skf18("6","7","3","8","9","6","1") = "8"
    & skf18("6","7","3","8","9","7","1") = "8"
    & skf18("6","7","3","8","9","8","1") = "8"
    & skf18("6","7","3","8","9","9","1") = "8"
    & skf18("6","7","3","8","9","10","1") = "9"
    & skf18("6","7","3","8","10","1","1") = "9"
    & skf18("6","7","3","8","10","2","1") = "9"
    & skf18("6","7","3","8","10","3","1") = "9"
    & skf18("6","7","3","8","10","4","1") = "9"
    & skf18("6","7","3","8","10","5","1") = "9"
    & skf18("6","7","3","8","10","6","1") = "9"
    & skf18("6","7","3","8","10","7","1") = "9"
    & skf18("6","7","3","8","10","8","1") = "9"
    & skf18("6","7","3","8","10","9","1") = "9"
    & skf18("6","7","3","8","10","10","1") = "9"
    & skf18("6","7","3","9","1","1","1") = "8"
    & skf18("6","7","3","9","1","2","1") = "8"
    & skf18("6","7","3","9","1","3","1") = "8"
    & skf18("6","7","3","9","1","4","1") = "8"
    & skf18("6","7","3","9","1","5","1") = "8"
    & skf18("6","7","3","9","1","6","1") = "8"
    & skf18("6","7","3","9","1","7","1") = "8"
    & skf18("6","7","3","9","1","8","1") = "8"
    & skf18("6","7","3","9","1","9","1") = "8"
    & skf18("6","7","3","9","1","10","1") = "9"
    & skf18("6","7","3","9","2","1","1") = "8"
    & skf18("6","7","3","9","2","2","1") = "8"
    & skf18("6","7","3","9","2","3","1") = "8"
    & skf18("6","7","3","9","2","4","1") = "8"
    & skf18("6","7","3","9","2","5","1") = "8"
    & skf18("6","7","3","9","2","6","1") = "8"
    & skf18("6","7","3","9","2","7","1") = "8"
    & skf18("6","7","3","9","2","8","1") = "8"
    & skf18("6","7","3","9","2","9","1") = "8"
    & skf18("6","7","3","9","2","10","1") = "9"
    & skf18("6","7","3","9","3","1","1") = "8"
    & skf18("6","7","3","9","3","2","1") = "8"
    & skf18("6","7","3","9","3","3","1") = "8"
    & skf18("6","7","3","9","3","4","1") = "8"
    & skf18("6","7","3","9","3","5","1") = "8"
    & skf18("6","7","3","9","3","6","1") = "8"
    & skf18("6","7","3","9","3","7","1") = "8"
    & skf18("6","7","3","9","3","8","1") = "8"
    & skf18("6","7","3","9","3","9","1") = "8"
    & skf18("6","7","3","9","3","10","1") = "9"
    & skf18("6","7","3","9","4","1","1") = "8"
    & skf18("6","7","3","9","4","2","1") = "8"
    & skf18("6","7","3","9","4","3","1") = "8"
    & skf18("6","7","3","9","4","4","1") = "8"
    & skf18("6","7","3","9","4","5","1") = "8"
    & skf18("6","7","3","9","4","6","1") = "8"
    & skf18("6","7","3","9","4","7","1") = "8"
    & skf18("6","7","3","9","4","8","1") = "8"
    & skf18("6","7","3","9","4","9","1") = "8"
    & skf18("6","7","3","9","4","10","1") = "9"
    & skf18("6","7","3","9","5","1","1") = "8"
    & skf18("6","7","3","9","5","2","1") = "8"
    & skf18("6","7","3","9","5","3","1") = "8"
    & skf18("6","7","3","9","5","4","1") = "8"
    & skf18("6","7","3","9","5","5","1") = "8"
    & skf18("6","7","3","9","5","6","1") = "8"
    & skf18("6","7","3","9","5","7","1") = "8"
    & skf18("6","7","3","9","5","8","1") = "8"
    & skf18("6","7","3","9","5","9","1") = "8"
    & skf18("6","7","3","9","5","10","1") = "9"
    & skf18("6","7","3","9","6","1","1") = "8"
    & skf18("6","7","3","9","6","2","1") = "8"
    & skf18("6","7","3","9","6","3","1") = "8"
    & skf18("6","7","3","9","6","4","1") = "8"
    & skf18("6","7","3","9","6","5","1") = "8"
    & skf18("6","7","3","9","6","6","1") = "8"
    & skf18("6","7","3","9","6","7","1") = "8"
    & skf18("6","7","3","9","6","8","1") = "8"
    & skf18("6","7","3","9","6","9","1") = "8"
    & skf18("6","7","3","9","6","10","1") = "9"
    & skf18("6","7","3","9","7","1","1") = "8"
    & skf18("6","7","3","9","7","2","1") = "8"
    & skf18("6","7","3","9","7","3","1") = "8"
    & skf18("6","7","3","9","7","4","1") = "8"
    & skf18("6","7","3","9","7","5","1") = "8"
    & skf18("6","7","3","9","7","6","1") = "8"
    & skf18("6","7","3","9","7","7","1") = "8"
    & skf18("6","7","3","9","7","8","1") = "8"
    & skf18("6","7","3","9","7","9","1") = "8"
    & skf18("6","7","3","9","7","10","1") = "9"
    & skf18("6","7","3","9","8","1","1") = "8"
    & skf18("6","7","3","9","8","2","1") = "8"
    & skf18("6","7","3","9","8","3","1") = "8"
    & skf18("6","7","3","9","8","4","1") = "8"
    & skf18("6","7","3","9","8","5","1") = "8"
    & skf18("6","7","3","9","8","6","1") = "8"
    & skf18("6","7","3","9","8","7","1") = "8"
    & skf18("6","7","3","9","8","8","1") = "8"
    & skf18("6","7","3","9","8","9","1") = "8"
    & skf18("6","7","3","9","8","10","1") = "9"
    & skf18("6","7","3","9","9","1","1") = "8"
    & skf18("6","7","3","9","9","2","1") = "8"
    & skf18("6","7","3","9","9","3","1") = "8"
    & skf18("6","7","3","9","9","4","1") = "8"
    & skf18("6","7","3","9","9","5","1") = "8"
    & skf18("6","7","3","9","9","6","1") = "8"
    & skf18("6","7","3","9","9","7","1") = "8"
    & skf18("6","7","3","9","9","8","1") = "8"
    & skf18("6","7","3","9","9","9","1") = "8"
    & skf18("6","7","3","9","9","10","1") = "9"
    & skf18("6","7","3","9","10","1","1") = "9"
    & skf18("6","7","3","9","10","2","1") = "9"
    & skf18("6","7","3","9","10","3","1") = "9"
    & skf18("6","7","3","9","10","4","1") = "9"
    & skf18("6","7","3","9","10","5","1") = "9"
    & skf18("6","7","3","9","10","6","1") = "9"
    & skf18("6","7","3","9","10","7","1") = "9"
    & skf18("6","7","3","9","10","8","1") = "9"
    & skf18("6","7","3","9","10","9","1") = "9"
    & skf18("6","7","3","9","10","10","1") = "9"
    & skf18("6","7","3","10","1","1","1") = "9"
    & skf18("6","7","3","10","1","2","1") = "9"
    & skf18("6","7","3","10","1","3","1") = "9"
    & skf18("6","7","3","10","1","4","1") = "9"
    & skf18("6","7","3","10","1","5","1") = "9"
    & skf18("6","7","3","10","1","6","1") = "9"
    & skf18("6","7","3","10","1","7","1") = "9"
    & skf18("6","7","3","10","1","8","1") = "9"
    & skf18("6","7","3","10","1","9","1") = "9"
    & skf18("6","7","3","10","1","10","1") = "9"
    & skf18("6","7","3","10","2","1","1") = "9"
    & skf18("6","7","3","10","2","2","1") = "9"
    & skf18("6","7","3","10","2","3","1") = "9"
    & skf18("6","7","3","10","2","4","1") = "9"
    & skf18("6","7","3","10","2","5","1") = "9"
    & skf18("6","7","3","10","2","6","1") = "9"
    & skf18("6","7","3","10","2","7","1") = "9"
    & skf18("6","7","3","10","2","8","1") = "9"
    & skf18("6","7","3","10","2","9","1") = "9"
    & skf18("6","7","3","10","2","10","1") = "9"
    & skf18("6","7","3","10","3","1","1") = "9"
    & skf18("6","7","3","10","3","2","1") = "9"
    & skf18("6","7","3","10","3","3","1") = "9"
    & skf18("6","7","3","10","3","4","1") = "9"
    & skf18("6","7","3","10","3","5","1") = "9"
    & skf18("6","7","3","10","3","6","1") = "9"
    & skf18("6","7","3","10","3","7","1") = "9"
    & skf18("6","7","3","10","3","8","1") = "9"
    & skf18("6","7","3","10","3","9","1") = "9"
    & skf18("6","7","3","10","3","10","1") = "9"
    & skf18("6","7","3","10","4","1","1") = "9"
    & skf18("6","7","3","10","4","2","1") = "9"
    & skf18("6","7","3","10","4","3","1") = "9"
    & skf18("6","7","3","10","4","4","1") = "9"
    & skf18("6","7","3","10","4","5","1") = "9"
    & skf18("6","7","3","10","4","6","1") = "9"
    & skf18("6","7","3","10","4","7","1") = "9"
    & skf18("6","7","3","10","4","8","1") = "9"
    & skf18("6","7","3","10","4","9","1") = "9"
    & skf18("6","7","3","10","4","10","1") = "9"
    & skf18("6","7","3","10","5","1","1") = "9"
    & skf18("6","7","3","10","5","2","1") = "9"
    & skf18("6","7","3","10","5","3","1") = "9"
    & skf18("6","7","3","10","5","4","1") = "9"
    & skf18("6","7","3","10","5","5","1") = "9"
    & skf18("6","7","3","10","5","6","1") = "9"
    & skf18("6","7","3","10","5","7","1") = "9"
    & skf18("6","7","3","10","5","8","1") = "9"
    & skf18("6","7","3","10","5","9","1") = "9"
    & skf18("6","7","3","10","5","10","1") = "9"
    & skf18("6","7","3","10","6","1","1") = "9"
    & skf18("6","7","3","10","6","2","1") = "9"
    & skf18("6","7","3","10","6","3","1") = "9"
    & skf18("6","7","3","10","6","4","1") = "9"
    & skf18("6","7","3","10","6","5","1") = "9"
    & skf18("6","7","3","10","6","6","1") = "9"
    & skf18("6","7","3","10","6","7","1") = "9"
    & skf18("6","7","3","10","6","8","1") = "9"
    & skf18("6","7","3","10","6","9","1") = "9"
    & skf18("6","7","3","10","6","10","1") = "9"
    & skf18("6","7","3","10","7","1","1") = "9"
    & skf18("6","7","3","10","7","2","1") = "9"
    & skf18("6","7","3","10","7","3","1") = "9"
    & skf18("6","7","3","10","7","4","1") = "9"
    & skf18("6","7","3","10","7","5","1") = "9"
    & skf18("6","7","3","10","7","6","1") = "9"
    & skf18("6","7","3","10","7","7","1") = "9"
    & skf18("6","7","3","10","7","8","1") = "9"
    & skf18("6","7","3","10","7","9","1") = "9"
    & skf18("6","7","3","10","7","10","1") = "9"
    & skf18("6","7","3","10","8","1","1") = "9"
    & skf18("6","7","3","10","8","2","1") = "9"
    & skf18("6","7","3","10","8","3","1") = "9"
    & skf18("6","7","3","10","8","4","1") = "9"
    & skf18("6","7","3","10","8","5","1") = "9"
    & skf18("6","7","3","10","8","6","1") = "9"
    & skf18("6","7","3","10","8","7","1") = "9"
    & skf18("6","7","3","10","8","8","1") = "9"
    & skf18("6","7","3","10","8","9","1") = "9"
    & skf18("6","7","3","10","8","10","1") = "9"
    & skf18("6","7","3","10","9","1","1") = "9"
    & skf18("6","7","3","10","9","2","1") = "9"
    & skf18("6","7","3","10","9","3","1") = "9"
    & skf18("6","7","3","10","9","4","1") = "9"
    & skf18("6","7","3","10","9","5","1") = "9"
    & skf18("6","7","3","10","9","6","1") = "9"
    & skf18("6","7","3","10","9","7","1") = "9"
    & skf18("6","7","3","10","9","8","1") = "9"
    & skf18("6","7","3","10","9","9","1") = "9"
    & skf18("6","7","3","10","9","10","1") = "9"
    & skf18("6","7","3","10","10","1","1") = "9"
    & skf18("6","7","3","10","10","2","1") = "9"
    & skf18("6","7","3","10","10","3","1") = "9"
    & skf18("6","7","3","10","10","4","1") = "9"
    & skf18("6","7","3","10","10","5","1") = "9"
    & skf18("6","7","3","10","10","6","1") = "9"
    & skf18("6","7","3","10","10","7","1") = "9"
    & skf18("6","7","3","10","10","8","1") = "9"
    & skf18("6","7","3","10","10","9","1") = "9"
    & skf18("6","7","3","10","10","10","1") = "9"
    & skf18("6","7","4","1","1","1","1") = "6"
    & skf18("6","7","4","1","1","2","1") = "6"
    & skf18("6","7","4","1","1","3","1") = "6"
    & skf18("6","7","4","1","1","4","1") = "6"
    & skf18("6","7","4","1","1","5","1") = "6"
    & skf18("6","7","4","1","1","6","1") = "6"
    & skf18("6","7","4","1","1","7","1") = "6"
    & skf18("6","7","4","1","1","8","1") = "7"
    & skf18("6","7","4","1","1","9","1") = "8"
    & skf18("6","7","4","1","1","10","1") = "9"
    & skf18("6","7","4","1","2","1","1") = "6"
    & skf18("6","7","4","1","2","2","1") = "6"
    & skf18("6","7","4","1","2","3","1") = "6"
    & skf18("6","7","4","1","2","4","1") = "6"
    & skf18("6","7","4","1","2","5","1") = "6"
    & skf18("6","7","4","1","2","6","1") = "6"
    & skf18("6","7","4","1","2","7","1") = "6"
    & skf18("6","7","4","1","2","8","1") = "7"
    & skf18("6","7","4","1","2","9","1") = "8"
    & skf18("6","7","4","1","2","10","1") = "9"
    & skf18("6","7","4","1","3","1","1") = "6"
    & skf18("6","7","4","1","3","2","1") = "6"
    & skf18("6","7","4","1","3","3","1") = "6"
    & skf18("6","7","4","1","3","4","1") = "6"
    & skf18("6","7","4","1","3","5","1") = "6"
    & skf18("6","7","4","1","3","6","1") = "6"
    & skf18("6","7","4","1","3","7","1") = "6"
    & skf18("6","7","4","1","3","8","1") = "7"
    & skf18("6","7","4","1","3","9","1") = "8"
    & skf18("6","7","4","1","3","10","1") = "9"
    & skf18("6","7","4","1","4","1","1") = "6"
    & skf18("6","7","4","1","4","2","1") = "6"
    & skf18("6","7","4","1","4","3","1") = "6"
    & skf18("6","7","4","1","4","4","1") = "6"
    & skf18("6","7","4","1","4","5","1") = "6"
    & skf18("6","7","4","1","4","6","1") = "6"
    & skf18("6","7","4","1","4","7","1") = "6"
    & skf18("6","7","4","1","4","8","1") = "7"
    & skf18("6","7","4","1","4","9","1") = "8"
    & skf18("6","7","4","1","4","10","1") = "9"
    & skf18("6","7","4","1","5","1","1") = "6"
    & skf18("6","7","4","1","5","2","1") = "6"
    & skf18("6","7","4","1","5","3","1") = "6"
    & skf18("6","7","4","1","5","4","1") = "6"
    & skf18("6","7","4","1","5","5","1") = "6"
    & skf18("6","7","4","1","5","6","1") = "6"
    & skf18("6","7","4","1","5","7","1") = "6"
    & skf18("6","7","4","1","5","8","1") = "7"
    & skf18("6","7","4","1","5","9","1") = "8"
    & skf18("6","7","4","1","5","10","1") = "9"
    & skf18("6","7","4","1","6","1","1") = "6"
    & skf18("6","7","4","1","6","2","1") = "6"
    & skf18("6","7","4","1","6","3","1") = "6"
    & skf18("6","7","4","1","6","4","1") = "6"
    & skf18("6","7","4","1","6","5","1") = "6"
    & skf18("6","7","4","1","6","6","1") = "6"
    & skf18("6","7","4","1","6","7","1") = "6"
    & skf18("6","7","4","1","6","8","1") = "7"
    & skf18("6","7","4","1","6","9","1") = "8"
    & skf18("6","7","4","1","6","10","1") = "9"
    & skf18("6","7","4","1","7","1","1") = "6"
    & skf18("6","7","4","1","7","2","1") = "6"
    & skf18("6","7","4","1","7","3","1") = "6"
    & skf18("6","7","4","1","7","4","1") = "6"
    & skf18("6","7","4","1","7","5","1") = "6"
    & skf18("6","7","4","1","7","6","1") = "6"
    & skf18("6","7","4","1","7","7","1") = "6"
    & skf18("6","7","4","1","7","8","1") = "7"
    & skf18("6","7","4","1","7","9","1") = "8"
    & skf18("6","7","4","1","7","10","1") = "9"
    & skf18("6","7","4","1","8","1","1") = "7"
    & skf18("6","7","4","1","8","2","1") = "7"
    & skf18("6","7","4","1","8","3","1") = "7"
    & skf18("6","7","4","1","8","4","1") = "7"
    & skf18("6","7","4","1","8","5","1") = "7"
    & skf18("6","7","4","1","8","6","1") = "7"
    & skf18("6","7","4","1","8","7","1") = "7"
    & skf18("6","7","4","1","8","8","1") = "7"
    & skf18("6","7","4","1","8","9","1") = "8"
    & skf18("6","7","4","1","8","10","1") = "9"
    & skf18("6","7","4","1","9","1","1") = "8"
    & skf18("6","7","4","1","9","2","1") = "8"
    & skf18("6","7","4","1","9","3","1") = "8"
    & skf18("6","7","4","1","9","4","1") = "8"
    & skf18("6","7","4","1","9","5","1") = "8"
    & skf18("6","7","4","1","9","6","1") = "8"
    & skf18("6","7","4","1","9","7","1") = "8"
    & skf18("6","7","4","1","9","8","1") = "8"
    & skf18("6","7","4","1","9","9","1") = "8"
    & skf18("6","7","4","1","9","10","1") = "9"
    & skf18("6","7","4","1","10","1","1") = "9"
    & skf18("6","7","4","1","10","2","1") = "9"
    & skf18("6","7","4","1","10","3","1") = "9"
    & skf18("6","7","4","1","10","4","1") = "9"
    & skf18("6","7","4","1","10","5","1") = "9"
    & skf18("6","7","4","1","10","6","1") = "9"
    & skf18("6","7","4","1","10","7","1") = "9"
    & skf18("6","7","4","1","10","8","1") = "9"
    & skf18("6","7","4","1","10","9","1") = "9"
    & skf18("6","7","4","1","10","10","1") = "9"
    & skf18("6","7","4","2","1","1","1") = "6"
    & skf18("6","7","4","2","1","2","1") = "6"
    & skf18("6","7","4","2","1","3","1") = "6"
    & skf18("6","7","4","2","1","4","1") = "6"
    & skf18("6","7","4","2","1","5","1") = "6"
    & skf18("6","7","4","2","1","6","1") = "6"
    & skf18("6","7","4","2","1","7","1") = "6"
    & skf18("6","7","4","2","1","8","1") = "7"
    & skf18("6","7","4","2","1","9","1") = "8"
    & skf18("6","7","4","2","1","10","1") = "9"
    & skf18("6","7","4","2","2","1","1") = "6"
    & skf18("6","7","4","2","2","2","1") = "6"
    & skf18("6","7","4","2","2","3","1") = "6"
    & skf18("6","7","4","2","2","4","1") = "6"
    & skf18("6","7","4","2","2","5","1") = "6"
    & skf18("6","7","4","2","2","6","1") = "6"
    & skf18("6","7","4","2","2","7","1") = "6"
    & skf18("6","7","4","2","2","8","1") = "7"
    & skf18("6","7","4","2","2","9","1") = "8"
    & skf18("6","7","4","2","2","10","1") = "9"
    & skf18("6","7","4","2","3","1","1") = "6"
    & skf18("6","7","4","2","3","2","1") = "6"
    & skf18("6","7","4","2","3","3","1") = "6"
    & skf18("6","7","4","2","3","4","1") = "6"
    & skf18("6","7","4","2","3","5","1") = "6"
    & skf18("6","7","4","2","3","6","1") = "6"
    & skf18("6","7","4","2","3","7","1") = "6"
    & skf18("6","7","4","2","3","8","1") = "7"
    & skf18("6","7","4","2","3","9","1") = "8"
    & skf18("6","7","4","2","3","10","1") = "9"
    & skf18("6","7","4","2","4","1","1") = "6"
    & skf18("6","7","4","2","4","2","1") = "6"
    & skf18("6","7","4","2","4","3","1") = "6"
    & skf18("6","7","4","2","4","4","1") = "6"
    & skf18("6","7","4","2","4","5","1") = "6"
    & skf18("6","7","4","2","4","6","1") = "6"
    & skf18("6","7","4","2","4","7","1") = "6"
    & skf18("6","7","4","2","4","8","1") = "7"
    & skf18("6","7","4","2","4","9","1") = "8"
    & skf18("6","7","4","2","4","10","1") = "9"
    & skf18("6","7","4","2","5","1","1") = "6"
    & skf18("6","7","4","2","5","2","1") = "6"
    & skf18("6","7","4","2","5","3","1") = "6"
    & skf18("6","7","4","2","5","4","1") = "6"
    & skf18("6","7","4","2","5","5","1") = "6"
    & skf18("6","7","4","2","5","6","1") = "6"
    & skf18("6","7","4","2","5","7","1") = "6"
    & skf18("6","7","4","2","5","8","1") = "7"
    & skf18("6","7","4","2","5","9","1") = "8"
    & skf18("6","7","4","2","5","10","1") = "9"
    & skf18("6","7","4","2","6","1","1") = "6"
    & skf18("6","7","4","2","6","2","1") = "6"
    & skf18("6","7","4","2","6","3","1") = "6"
    & skf18("6","7","4","2","6","4","1") = "6"
    & skf18("6","7","4","2","6","5","1") = "6"
    & skf18("6","7","4","2","6","6","1") = "6"
    & skf18("6","7","4","2","6","7","1") = "6"
    & skf18("6","7","4","2","6","8","1") = "7"
    & skf18("6","7","4","2","6","9","1") = "8"
    & skf18("6","7","4","2","6","10","1") = "9"
    & skf18("6","7","4","2","7","1","1") = "6"
    & skf18("6","7","4","2","7","2","1") = "6"
    & skf18("6","7","4","2","7","3","1") = "6"
    & skf18("6","7","4","2","7","4","1") = "6"
    & skf18("6","7","4","2","7","5","1") = "6"
    & skf18("6","7","4","2","7","6","1") = "6"
    & skf18("6","7","4","2","7","7","1") = "6"
    & skf18("6","7","4","2","7","8","1") = "7"
    & skf18("6","7","4","2","7","9","1") = "8"
    & skf18("6","7","4","2","7","10","1") = "9"
    & skf18("6","7","4","2","8","1","1") = "7"
    & skf18("6","7","4","2","8","2","1") = "7"
    & skf18("6","7","4","2","8","3","1") = "7"
    & skf18("6","7","4","2","8","4","1") = "7"
    & skf18("6","7","4","2","8","5","1") = "7"
    & skf18("6","7","4","2","8","6","1") = "7"
    & skf18("6","7","4","2","8","7","1") = "7"
    & skf18("6","7","4","2","8","8","1") = "7"
    & skf18("6","7","4","2","8","9","1") = "8"
    & skf18("6","7","4","2","8","10","1") = "9"
    & skf18("6","7","4","2","9","1","1") = "8"
    & skf18("6","7","4","2","9","2","1") = "8"
    & skf18("6","7","4","2","9","3","1") = "8"
    & skf18("6","7","4","2","9","4","1") = "8"
    & skf18("6","7","4","2","9","5","1") = "8"
    & skf18("6","7","4","2","9","6","1") = "8"
    & skf18("6","7","4","2","9","7","1") = "8"
    & skf18("6","7","4","2","9","8","1") = "8"
    & skf18("6","7","4","2","9","9","1") = "8"
    & skf18("6","7","4","2","9","10","1") = "9"
    & skf18("6","7","4","2","10","1","1") = "9"
    & skf18("6","7","4","2","10","2","1") = "9"
    & skf18("6","7","4","2","10","3","1") = "9"
    & skf18("6","7","4","2","10","4","1") = "9"
    & skf18("6","7","4","2","10","5","1") = "9"
    & skf18("6","7","4","2","10","6","1") = "9"
    & skf18("6","7","4","2","10","7","1") = "9"
    & skf18("6","7","4","2","10","8","1") = "9"
    & skf18("6","7","4","2","10","9","1") = "9"
    & skf18("6","7","4","2","10","10","1") = "9"
    & skf18("6","7","4","3","1","1","1") = "6"
    & skf18("6","7","4","3","1","2","1") = "6"
    & skf18("6","7","4","3","1","3","1") = "6"
    & skf18("6","7","4","3","1","4","1") = "6"
    & skf18("6","7","4","3","1","5","1") = "6"
    & skf18("6","7","4","3","1","6","1") = "6"
    & skf18("6","7","4","3","1","7","1") = "6"
    & skf18("6","7","4","3","1","8","1") = "7"
    & skf18("6","7","4","3","1","9","1") = "8"
    & skf18("6","7","4","3","1","10","1") = "9"
    & skf18("6","7","4","3","2","1","1") = "6"
    & skf18("6","7","4","3","2","2","1") = "6"
    & skf18("6","7","4","3","2","3","1") = "6"
    & skf18("6","7","4","3","2","4","1") = "6"
    & skf18("6","7","4","3","2","5","1") = "6"
    & skf18("6","7","4","3","2","6","1") = "6"
    & skf18("6","7","4","3","2","7","1") = "6"
    & skf18("6","7","4","3","2","8","1") = "7"
    & skf18("6","7","4","3","2","9","1") = "8"
    & skf18("6","7","4","3","2","10","1") = "9"
    & skf18("6","7","4","3","3","1","1") = "6"
    & skf18("6","7","4","3","3","2","1") = "6"
    & skf18("6","7","4","3","3","3","1") = "6"
    & skf18("6","7","4","3","3","4","1") = "6"
    & skf18("6","7","4","3","3","5","1") = "6"
    & skf18("6","7","4","3","3","6","1") = "6"
    & skf18("6","7","4","3","3","7","1") = "6"
    & skf18("6","7","4","3","3","8","1") = "7"
    & skf18("6","7","4","3","3","9","1") = "8"
    & skf18("6","7","4","3","3","10","1") = "9"
    & skf18("6","7","4","3","4","1","1") = "6"
    & skf18("6","7","4","3","4","2","1") = "6"
    & skf18("6","7","4","3","4","3","1") = "6"
    & skf18("6","7","4","3","4","4","1") = "6"
    & skf18("6","7","4","3","4","5","1") = "6"
    & skf18("6","7","4","3","4","6","1") = "6"
    & skf18("6","7","4","3","4","7","1") = "6"
    & skf18("6","7","4","3","4","8","1") = "7"
    & skf18("6","7","4","3","4","9","1") = "8"
    & skf18("6","7","4","3","4","10","1") = "9"
    & skf18("6","7","4","3","5","1","1") = "6"
    & skf18("6","7","4","3","5","2","1") = "6"
    & skf18("6","7","4","3","5","3","1") = "6"
    & skf18("6","7","4","3","5","4","1") = "6"
    & skf18("6","7","4","3","5","5","1") = "6"
    & skf18("6","7","4","3","5","6","1") = "6"
    & skf18("6","7","4","3","5","7","1") = "6"
    & skf18("6","7","4","3","5","8","1") = "7"
    & skf18("6","7","4","3","5","9","1") = "8"
    & skf18("6","7","4","3","5","10","1") = "9"
    & skf18("6","7","4","3","6","1","1") = "6"
    & skf18("6","7","4","3","6","2","1") = "6"
    & skf18("6","7","4","3","6","3","1") = "6"
    & skf18("6","7","4","3","6","4","1") = "6"
    & skf18("6","7","4","3","6","5","1") = "6"
    & skf18("6","7","4","3","6","6","1") = "6"
    & skf18("6","7","4","3","6","7","1") = "6"
    & skf18("6","7","4","3","6","8","1") = "7"
    & skf18("6","7","4","3","6","9","1") = "8"
    & skf18("6","7","4","3","6","10","1") = "9"
    & skf18("6","7","4","3","7","1","1") = "6"
    & skf18("6","7","4","3","7","2","1") = "6"
    & skf18("6","7","4","3","7","3","1") = "6"
    & skf18("6","7","4","3","7","4","1") = "6"
    & skf18("6","7","4","3","7","5","1") = "6"
    & skf18("6","7","4","3","7","6","1") = "6"
    & skf18("6","7","4","3","7","7","1") = "6"
    & skf18("6","7","4","3","7","8","1") = "7"
    & skf18("6","7","4","3","7","9","1") = "8"
    & skf18("6","7","4","3","7","10","1") = "9"
    & skf18("6","7","4","3","8","1","1") = "7"
    & skf18("6","7","4","3","8","2","1") = "7"
    & skf18("6","7","4","3","8","3","1") = "7"
    & skf18("6","7","4","3","8","4","1") = "7"
    & skf18("6","7","4","3","8","5","1") = "7"
    & skf18("6","7","4","3","8","6","1") = "7"
    & skf18("6","7","4","3","8","7","1") = "7"
    & skf18("6","7","4","3","8","8","1") = "7"
    & skf18("6","7","4","3","8","9","1") = "8"
    & skf18("6","7","4","3","8","10","1") = "9"
    & skf18("6","7","4","3","9","1","1") = "8"
    & skf18("6","7","4","3","9","2","1") = "8"
    & skf18("6","7","4","3","9","3","1") = "8"
    & skf18("6","7","4","3","9","4","1") = "8"
    & skf18("6","7","4","3","9","5","1") = "8"
    & skf18("6","7","4","3","9","6","1") = "8"
    & skf18("6","7","4","3","9","7","1") = "8"
    & skf18("6","7","4","3","9","8","1") = "8"
    & skf18("6","7","4","3","9","9","1") = "8"
    & skf18("6","7","4","3","9","10","1") = "9"
    & skf18("6","7","4","3","10","1","1") = "9"
    & skf18("6","7","4","3","10","2","1") = "9"
    & skf18("6","7","4","3","10","3","1") = "9"
    & skf18("6","7","4","3","10","4","1") = "9"
    & skf18("6","7","4","3","10","5","1") = "9"
    & skf18("6","7","4","3","10","6","1") = "9"
    & skf18("6","7","4","3","10","7","1") = "9"
    & skf18("6","7","4","3","10","8","1") = "9"
    & skf18("6","7","4","3","10","9","1") = "9"
    & skf18("6","7","4","3","10","10","1") = "9"
    & skf18("6","7","4","4","1","1","1") = "6"
    & skf18("6","7","4","4","1","2","1") = "6"
    & skf18("6","7","4","4","1","3","1") = "6"
    & skf18("6","7","4","4","1","4","1") = "6"
    & skf18("6","7","4","4","1","5","1") = "6"
    & skf18("6","7","4","4","1","6","1") = "6"
    & skf18("6","7","4","4","1","7","1") = "6"
    & skf18("6","7","4","4","1","8","1") = "7"
    & skf18("6","7","4","4","1","9","1") = "8"
    & skf18("6","7","4","4","1","10","1") = "9"
    & skf18("6","7","4","4","2","1","1") = "6"
    & skf18("6","7","4","4","2","2","1") = "6"
    & skf18("6","7","4","4","2","3","1") = "6"
    & skf18("6","7","4","4","2","4","1") = "6"
    & skf18("6","7","4","4","2","5","1") = "6"
    & skf18("6","7","4","4","2","6","1") = "6"
    & skf18("6","7","4","4","2","7","1") = "6"
    & skf18("6","7","4","4","2","8","1") = "7"
    & skf18("6","7","4","4","2","9","1") = "8"
    & skf18("6","7","4","4","2","10","1") = "9"
    & skf18("6","7","4","4","3","1","1") = "6"
    & skf18("6","7","4","4","3","2","1") = "6"
    & skf18("6","7","4","4","3","3","1") = "6"
    & skf18("6","7","4","4","3","4","1") = "6"
    & skf18("6","7","4","4","3","5","1") = "6"
    & skf18("6","7","4","4","3","6","1") = "6"
    & skf18("6","7","4","4","3","7","1") = "6"
    & skf18("6","7","4","4","3","8","1") = "7"
    & skf18("6","7","4","4","3","9","1") = "8"
    & skf18("6","7","4","4","3","10","1") = "9"
    & skf18("6","7","4","4","4","1","1") = "6"
    & skf18("6","7","4","4","4","2","1") = "6"
    & skf18("6","7","4","4","4","3","1") = "6"
    & skf18("6","7","4","4","4","4","1") = "6"
    & skf18("6","7","4","4","4","5","1") = "6"
    & skf18("6","7","4","4","4","6","1") = "6"
    & skf18("6","7","4","4","4","7","1") = "6"
    & skf18("6","7","4","4","4","8","1") = "7"
    & skf18("6","7","4","4","4","9","1") = "8"
    & skf18("6","7","4","4","4","10","1") = "9"
    & skf18("6","7","4","4","5","1","1") = "6"
    & skf18("6","7","4","4","5","2","1") = "6"
    & skf18("6","7","4","4","5","3","1") = "6"
    & skf18("6","7","4","4","5","4","1") = "6"
    & skf18("6","7","4","4","5","5","1") = "6"
    & skf18("6","7","4","4","5","6","1") = "6"
    & skf18("6","7","4","4","5","7","1") = "6"
    & skf18("6","7","4","4","5","8","1") = "7"
    & skf18("6","7","4","4","5","9","1") = "8"
    & skf18("6","7","4","4","5","10","1") = "9"
    & skf18("6","7","4","4","6","1","1") = "6"
    & skf18("6","7","4","4","6","2","1") = "6"
    & skf18("6","7","4","4","6","3","1") = "6"
    & skf18("6","7","4","4","6","4","1") = "6"
    & skf18("6","7","4","4","6","5","1") = "6"
    & skf18("6","7","4","4","6","6","1") = "6"
    & skf18("6","7","4","4","6","7","1") = "6"
    & skf18("6","7","4","4","6","8","1") = "7"
    & skf18("6","7","4","4","6","9","1") = "8"
    & skf18("6","7","4","4","6","10","1") = "9"
    & skf18("6","7","4","4","7","1","1") = "6"
    & skf18("6","7","4","4","7","2","1") = "6"
    & skf18("6","7","4","4","7","3","1") = "6"
    & skf18("6","7","4","4","7","4","1") = "6"
    & skf18("6","7","4","4","7","5","1") = "6"
    & skf18("6","7","4","4","7","6","1") = "6"
    & skf18("6","7","4","4","7","7","1") = "6"
    & skf18("6","7","4","4","7","8","1") = "7"
    & skf18("6","7","4","4","7","9","1") = "8"
    & skf18("6","7","4","4","7","10","1") = "9"
    & skf18("6","7","4","4","8","1","1") = "7"
    & skf18("6","7","4","4","8","2","1") = "7"
    & skf18("6","7","4","4","8","3","1") = "7"
    & skf18("6","7","4","4","8","4","1") = "7"
    & skf18("6","7","4","4","8","5","1") = "7"
    & skf18("6","7","4","4","8","6","1") = "7"
    & skf18("6","7","4","4","8","7","1") = "7"
    & skf18("6","7","4","4","8","8","1") = "7"
    & skf18("6","7","4","4","8","9","1") = "8"
    & skf18("6","7","4","4","8","10","1") = "9"
    & skf18("6","7","4","4","9","1","1") = "8"
    & skf18("6","7","4","4","9","2","1") = "8"
    & skf18("6","7","4","4","9","3","1") = "8"
    & skf18("6","7","4","4","9","4","1") = "8"
    & skf18("6","7","4","4","9","5","1") = "8"
    & skf18("6","7","4","4","9","6","1") = "8"
    & skf18("6","7","4","4","9","7","1") = "8"
    & skf18("6","7","4","4","9","8","1") = "8"
    & skf18("6","7","4","4","9","9","1") = "8"
    & skf18("6","7","4","4","9","10","1") = "9"
    & skf18("6","7","4","4","10","1","1") = "9"
    & skf18("6","7","4","4","10","2","1") = "9"
    & skf18("6","7","4","4","10","3","1") = "9"
    & skf18("6","7","4","4","10","4","1") = "9"
    & skf18("6","7","4","4","10","5","1") = "9"
    & skf18("6","7","4","4","10","6","1") = "9"
    & skf18("6","7","4","4","10","7","1") = "9"
    & skf18("6","7","4","4","10","8","1") = "9"
    & skf18("6","7","4","4","10","9","1") = "9"
    & skf18("6","7","4","4","10","10","1") = "9"
    & skf18("6","7","4","5","1","1","1") = "6"
    & skf18("6","7","4","5","1","2","1") = "6"
    & skf18("6","7","4","5","1","3","1") = "6"
    & skf18("6","7","4","5","1","4","1") = "6"
    & skf18("6","7","4","5","1","5","1") = "6"
    & skf18("6","7","4","5","1","6","1") = "6"
    & skf18("6","7","4","5","1","7","1") = "6"
    & skf18("6","7","4","5","1","8","1") = "7"
    & skf18("6","7","4","5","1","9","1") = "8"
    & skf18("6","7","4","5","1","10","1") = "9"
    & skf18("6","7","4","5","2","1","1") = "6"
    & skf18("6","7","4","5","2","2","1") = "6"
    & skf18("6","7","4","5","2","3","1") = "6"
    & skf18("6","7","4","5","2","4","1") = "6"
    & skf18("6","7","4","5","2","5","1") = "6"
    & skf18("6","7","4","5","2","6","1") = "6"
    & skf18("6","7","4","5","2","7","1") = "6"
    & skf18("6","7","4","5","2","8","1") = "7"
    & skf18("6","7","4","5","2","9","1") = "8"
    & skf18("6","7","4","5","2","10","1") = "9"
    & skf18("6","7","4","5","3","1","1") = "6"
    & skf18("6","7","4","5","3","2","1") = "6"
    & skf18("6","7","4","5","3","3","1") = "6"
    & skf18("6","7","4","5","3","4","1") = "6"
    & skf18("6","7","4","5","3","5","1") = "6"
    & skf18("6","7","4","5","3","6","1") = "6"
    & skf18("6","7","4","5","3","7","1") = "6"
    & skf18("6","7","4","5","3","8","1") = "7"
    & skf18("6","7","4","5","3","9","1") = "8"
    & skf18("6","7","4","5","3","10","1") = "9"
    & skf18("6","7","4","5","4","1","1") = "6"
    & skf18("6","7","4","5","4","2","1") = "6"
    & skf18("6","7","4","5","4","3","1") = "6"
    & skf18("6","7","4","5","4","4","1") = "6"
    & skf18("6","7","4","5","4","5","1") = "6"
    & skf18("6","7","4","5","4","6","1") = "6"
    & skf18("6","7","4","5","4","7","1") = "6"
    & skf18("6","7","4","5","4","8","1") = "7"
    & skf18("6","7","4","5","4","9","1") = "8"
    & skf18("6","7","4","5","4","10","1") = "9"
    & skf18("6","7","4","5","5","1","1") = "6"
    & skf18("6","7","4","5","5","2","1") = "6"
    & skf18("6","7","4","5","5","3","1") = "6"
    & skf18("6","7","4","5","5","4","1") = "6"
    & skf18("6","7","4","5","5","5","1") = "6"
    & skf18("6","7","4","5","5","6","1") = "6"
    & skf18("6","7","4","5","5","7","1") = "6"
    & skf18("6","7","4","5","5","8","1") = "7"
    & skf18("6","7","4","5","5","9","1") = "8"
    & skf18("6","7","4","5","5","10","1") = "9"
    & skf18("6","7","4","5","6","1","1") = "6"
    & skf18("6","7","4","5","6","2","1") = "6"
    & skf18("6","7","4","5","6","3","1") = "6"
    & skf18("6","7","4","5","6","4","1") = "6"
    & skf18("6","7","4","5","6","5","1") = "6"
    & skf18("6","7","4","5","6","6","1") = "6"
    & skf18("6","7","4","5","6","7","1") = "6"
    & skf18("6","7","4","5","6","8","1") = "7"
    & skf18("6","7","4","5","6","9","1") = "8"
    & skf18("6","7","4","5","6","10","1") = "9"
    & skf18("6","7","4","5","7","1","1") = "6"
    & skf18("6","7","4","5","7","2","1") = "6"
    & skf18("6","7","4","5","7","3","1") = "6"
    & skf18("6","7","4","5","7","4","1") = "6"
    & skf18("6","7","4","5","7","5","1") = "6"
    & skf18("6","7","4","5","7","6","1") = "6"
    & skf18("6","7","4","5","7","7","1") = "6"
    & skf18("6","7","4","5","7","8","1") = "7"
    & skf18("6","7","4","5","7","9","1") = "8"
    & skf18("6","7","4","5","7","10","1") = "9"
    & skf18("6","7","4","5","8","1","1") = "7"
    & skf18("6","7","4","5","8","2","1") = "7"
    & skf18("6","7","4","5","8","3","1") = "7"
    & skf18("6","7","4","5","8","4","1") = "7"
    & skf18("6","7","4","5","8","5","1") = "7"
    & skf18("6","7","4","5","8","6","1") = "7"
    & skf18("6","7","4","5","8","7","1") = "7"
    & skf18("6","7","4","5","8","8","1") = "7"
    & skf18("6","7","4","5","8","9","1") = "8"
    & skf18("6","7","4","5","8","10","1") = "9"
    & skf18("6","7","4","5","9","1","1") = "8"
    & skf18("6","7","4","5","9","2","1") = "8"
    & skf18("6","7","4","5","9","3","1") = "8"
    & skf18("6","7","4","5","9","4","1") = "8"
    & skf18("6","7","4","5","9","5","1") = "8"
    & skf18("6","7","4","5","9","6","1") = "8"
    & skf18("6","7","4","5","9","7","1") = "8"
    & skf18("6","7","4","5","9","8","1") = "8"
    & skf18("6","7","4","5","9","9","1") = "8"
    & skf18("6","7","4","5","9","10","1") = "9"
    & skf18("6","7","4","5","10","1","1") = "9"
    & skf18("6","7","4","5","10","2","1") = "9"
    & skf18("6","7","4","5","10","3","1") = "9"
    & skf18("6","7","4","5","10","4","1") = "9"
    & skf18("6","7","4","5","10","5","1") = "9"
    & skf18("6","7","4","5","10","6","1") = "9"
    & skf18("6","7","4","5","10","7","1") = "9"
    & skf18("6","7","4","5","10","8","1") = "9"
    & skf18("6","7","4","5","10","9","1") = "9"
    & skf18("6","7","4","5","10","10","1") = "9"
    & skf18("6","7","4","6","1","1","1") = "6"
    & skf18("6","7","4","6","1","2","1") = "6"
    & skf18("6","7","4","6","1","3","1") = "6"
    & skf18("6","7","4","6","1","4","1") = "6"
    & skf18("6","7","4","6","1","5","1") = "6"
    & skf18("6","7","4","6","1","6","1") = "6"
    & skf18("6","7","4","6","1","7","1") = "6"
    & skf18("6","7","4","6","1","8","1") = "7"
    & skf18("6","7","4","6","1","9","1") = "8"
    & skf18("6","7","4","6","1","10","1") = "9"
    & skf18("6","7","4","6","2","1","1") = "6"
    & skf18("6","7","4","6","2","2","1") = "6"
    & skf18("6","7","4","6","2","3","1") = "6"
    & skf18("6","7","4","6","2","4","1") = "6"
    & skf18("6","7","4","6","2","5","1") = "6"
    & skf18("6","7","4","6","2","6","1") = "6"
    & skf18("6","7","4","6","2","7","1") = "6"
    & skf18("6","7","4","6","2","8","1") = "7"
    & skf18("6","7","4","6","2","9","1") = "8"
    & skf18("6","7","4","6","2","10","1") = "9"
    & skf18("6","7","4","6","3","1","1") = "6"
    & skf18("6","7","4","6","3","2","1") = "6"
    & skf18("6","7","4","6","3","3","1") = "6"
    & skf18("6","7","4","6","3","4","1") = "6"
    & skf18("6","7","4","6","3","5","1") = "6"
    & skf18("6","7","4","6","3","6","1") = "6"
    & skf18("6","7","4","6","3","7","1") = "6"
    & skf18("6","7","4","6","3","8","1") = "7"
    & skf18("6","7","4","6","3","9","1") = "8"
    & skf18("6","7","4","6","3","10","1") = "9"
    & skf18("6","7","4","6","4","1","1") = "6"
    & skf18("6","7","4","6","4","2","1") = "6"
    & skf18("6","7","4","6","4","3","1") = "6"
    & skf18("6","7","4","6","4","4","1") = "6"
    & skf18("6","7","4","6","4","5","1") = "6"
    & skf18("6","7","4","6","4","6","1") = "6"
    & skf18("6","7","4","6","4","7","1") = "6"
    & skf18("6","7","4","6","4","8","1") = "7"
    & skf18("6","7","4","6","4","9","1") = "8"
    & skf18("6","7","4","6","4","10","1") = "9"
    & skf18("6","7","4","6","5","1","1") = "6"
    & skf18("6","7","4","6","5","2","1") = "6"
    & skf18("6","7","4","6","5","3","1") = "6"
    & skf18("6","7","4","6","5","4","1") = "6"
    & skf18("6","7","4","6","5","5","1") = "6"
    & skf18("6","7","4","6","5","6","1") = "6"
    & skf18("6","7","4","6","5","7","1") = "6"
    & skf18("6","7","4","6","5","8","1") = "7"
    & skf18("6","7","4","6","5","9","1") = "8"
    & skf18("6","7","4","6","5","10","1") = "9"
    & skf18("6","7","4","6","6","1","1") = "6"
    & skf18("6","7","4","6","6","2","1") = "6"
    & skf18("6","7","4","6","6","3","1") = "6"
    & skf18("6","7","4","6","6","4","1") = "6"
    & skf18("6","7","4","6","6","5","1") = "6"
    & skf18("6","7","4","6","6","6","1") = "6"
    & skf18("6","7","4","6","6","7","1") = "6"
    & skf18("6","7","4","6","6","8","1") = "7"
    & skf18("6","7","4","6","6","9","1") = "8"
    & skf18("6","7","4","6","6","10","1") = "9"
    & skf18("6","7","4","6","7","1","1") = "6"
    & skf18("6","7","4","6","7","2","1") = "6"
    & skf18("6","7","4","6","7","3","1") = "6"
    & skf18("6","7","4","6","7","4","1") = "6"
    & skf18("6","7","4","6","7","5","1") = "6"
    & skf18("6","7","4","6","7","6","1") = "6"
    & skf18("6","7","4","6","7","7","1") = "6"
    & skf18("6","7","4","6","7","8","1") = "7"
    & skf18("6","7","4","6","7","9","1") = "8"
    & skf18("6","7","4","6","7","10","1") = "9"
    & skf18("6","7","4","6","8","1","1") = "7"
    & skf18("6","7","4","6","8","2","1") = "7"
    & skf18("6","7","4","6","8","3","1") = "7"
    & skf18("6","7","4","6","8","4","1") = "7"
    & skf18("6","7","4","6","8","5","1") = "7"
    & skf18("6","7","4","6","8","6","1") = "7"
    & skf18("6","7","4","6","8","7","1") = "7"
    & skf18("6","7","4","6","8","8","1") = "7"
    & skf18("6","7","4","6","8","9","1") = "8"
    & skf18("6","7","4","6","8","10","1") = "9"
    & skf18("6","7","4","6","9","1","1") = "8"
    & skf18("6","7","4","6","9","2","1") = "8"
    & skf18("6","7","4","6","9","3","1") = "8"
    & skf18("6","7","4","6","9","4","1") = "8"
    & skf18("6","7","4","6","9","5","1") = "8"
    & skf18("6","7","4","6","9","6","1") = "8"
    & skf18("6","7","4","6","9","7","1") = "8"
    & skf18("6","7","4","6","9","8","1") = "8"
    & skf18("6","7","4","6","9","9","1") = "8"
    & skf18("6","7","4","6","9","10","1") = "9"
    & skf18("6","7","4","6","10","1","1") = "9"
    & skf18("6","7","4","6","10","2","1") = "9"
    & skf18("6","7","4","6","10","3","1") = "9"
    & skf18("6","7","4","6","10","4","1") = "9"
    & skf18("6","7","4","6","10","5","1") = "9"
    & skf18("6","7","4","6","10","6","1") = "9"
    & skf18("6","7","4","6","10","7","1") = "9"
    & skf18("6","7","4","6","10","8","1") = "9"
    & skf18("6","7","4","6","10","9","1") = "9"
    & skf18("6","7","4","6","10","10","1") = "9"
    & skf18("6","7","4","7","1","1","1") = "6"
    & skf18("6","7","4","7","1","2","1") = "6"
    & skf18("6","7","4","7","1","3","1") = "6"
    & skf18("6","7","4","7","1","4","1") = "6"
    & skf18("6","7","4","7","1","5","1") = "6"
    & skf18("6","7","4","7","1","6","1") = "6"
    & skf18("6","7","4","7","1","7","1") = "6"
    & skf18("6","7","4","7","1","8","1") = "7"
    & skf18("6","7","4","7","1","9","1") = "8"
    & skf18("6","7","4","7","1","10","1") = "9"
    & skf18("6","7","4","7","2","1","1") = "6"
    & skf18("6","7","4","7","2","2","1") = "6"
    & skf18("6","7","4","7","2","3","1") = "6"
    & skf18("6","7","4","7","2","4","1") = "6"
    & skf18("6","7","4","7","2","5","1") = "6"
    & skf18("6","7","4","7","2","6","1") = "6"
    & skf18("6","7","4","7","2","7","1") = "6"
    & skf18("6","7","4","7","2","8","1") = "7"
    & skf18("6","7","4","7","2","9","1") = "8"
    & skf18("6","7","4","7","2","10","1") = "9"
    & skf18("6","7","4","7","3","1","1") = "6"
    & skf18("6","7","4","7","3","2","1") = "6"
    & skf18("6","7","4","7","3","3","1") = "6"
    & skf18("6","7","4","7","3","4","1") = "6"
    & skf18("6","7","4","7","3","5","1") = "6"
    & skf18("6","7","4","7","3","6","1") = "6"
    & skf18("6","7","4","7","3","7","1") = "6"
    & skf18("6","7","4","7","3","8","1") = "7"
    & skf18("6","7","4","7","3","9","1") = "8"
    & skf18("6","7","4","7","3","10","1") = "9"
    & skf18("6","7","4","7","4","1","1") = "6"
    & skf18("6","7","4","7","4","2","1") = "6"
    & skf18("6","7","4","7","4","3","1") = "6"
    & skf18("6","7","4","7","4","4","1") = "6"
    & skf18("6","7","4","7","4","5","1") = "6"
    & skf18("6","7","4","7","4","6","1") = "6"
    & skf18("6","7","4","7","4","7","1") = "6"
    & skf18("6","7","4","7","4","8","1") = "7"
    & skf18("6","7","4","7","4","9","1") = "8"
    & skf18("6","7","4","7","4","10","1") = "9"
    & skf18("6","7","4","7","5","1","1") = "6"
    & skf18("6","7","4","7","5","2","1") = "6"
    & skf18("6","7","4","7","5","3","1") = "6"
    & skf18("6","7","4","7","5","4","1") = "6"
    & skf18("6","7","4","7","5","5","1") = "6"
    & skf18("6","7","4","7","5","6","1") = "6"
    & skf18("6","7","4","7","5","7","1") = "6"
    & skf18("6","7","4","7","5","8","1") = "7"
    & skf18("6","7","4","7","5","9","1") = "8"
    & skf18("6","7","4","7","5","10","1") = "9"
    & skf18("6","7","4","7","6","1","1") = "6"
    & skf18("6","7","4","7","6","2","1") = "6"
    & skf18("6","7","4","7","6","3","1") = "6"
    & skf18("6","7","4","7","6","4","1") = "6"
    & skf18("6","7","4","7","6","5","1") = "6"
    & skf18("6","7","4","7","6","6","1") = "6"
    & skf18("6","7","4","7","6","7","1") = "6"
    & skf18("6","7","4","7","6","8","1") = "7"
    & skf18("6","7","4","7","6","9","1") = "8"
    & skf18("6","7","4","7","6","10","1") = "9"
    & skf18("6","7","4","7","7","1","1") = "6"
    & skf18("6","7","4","7","7","2","1") = "6"
    & skf18("6","7","4","7","7","3","1") = "6"
    & skf18("6","7","4","7","7","4","1") = "6"
    & skf18("6","7","4","7","7","5","1") = "6"
    & skf18("6","7","4","7","7","6","1") = "6"
    & skf18("6","7","4","7","7","7","1") = "6"
    & skf18("6","7","4","7","7","8","1") = "7"
    & skf18("6","7","4","7","7","9","1") = "8"
    & skf18("6","7","4","7","7","10","1") = "9"
    & skf18("6","7","4","7","8","1","1") = "7"
    & skf18("6","7","4","7","8","2","1") = "7"
    & skf18("6","7","4","7","8","3","1") = "7"
    & skf18("6","7","4","7","8","4","1") = "7"
    & skf18("6","7","4","7","8","5","1") = "7"
    & skf18("6","7","4","7","8","6","1") = "7"
    & skf18("6","7","4","7","8","7","1") = "7"
    & skf18("6","7","4","7","8","8","1") = "7"
    & skf18("6","7","4","7","8","9","1") = "8"
    & skf18("6","7","4","7","8","10","1") = "9"
    & skf18("6","7","4","7","9","1","1") = "8"
    & skf18("6","7","4","7","9","2","1") = "8"
    & skf18("6","7","4","7","9","3","1") = "8"
    & skf18("6","7","4","7","9","4","1") = "8"
    & skf18("6","7","4","7","9","5","1") = "8"
    & skf18("6","7","4","7","9","6","1") = "8"
    & skf18("6","7","4","7","9","7","1") = "8"
    & skf18("6","7","4","7","9","8","1") = "8"
    & skf18("6","7","4","7","9","9","1") = "8"
    & skf18("6","7","4","7","9","10","1") = "9"
    & skf18("6","7","4","7","10","1","1") = "9"
    & skf18("6","7","4","7","10","2","1") = "9"
    & skf18("6","7","4","7","10","3","1") = "9"
    & skf18("6","7","4","7","10","4","1") = "9"
    & skf18("6","7","4","7","10","5","1") = "9"
    & skf18("6","7","4","7","10","6","1") = "9"
    & skf18("6","7","4","7","10","7","1") = "9"
    & skf18("6","7","4","7","10","8","1") = "9"
    & skf18("6","7","4","7","10","9","1") = "9"
    & skf18("6","7","4","7","10","10","1") = "9"
    & skf18("6","7","4","8","1","1","1") = "7"
    & skf18("6","7","4","8","1","2","1") = "7"
    & skf18("6","7","4","8","1","3","1") = "7"
    & skf18("6","7","4","8","1","4","1") = "7"
    & skf18("6","7","4","8","1","5","1") = "7"
    & skf18("6","7","4","8","1","6","1") = "7"
    & skf18("6","7","4","8","1","7","1") = "7"
    & skf18("6","7","4","8","1","8","1") = "7"
    & skf18("6","7","4","8","1","9","1") = "8"
    & skf18("6","7","4","8","1","10","1") = "9"
    & skf18("6","7","4","8","2","1","1") = "7"
    & skf18("6","7","4","8","2","2","1") = "7"
    & skf18("6","7","4","8","2","3","1") = "7"
    & skf18("6","7","4","8","2","4","1") = "7"
    & skf18("6","7","4","8","2","5","1") = "7"
    & skf18("6","7","4","8","2","6","1") = "7"
    & skf18("6","7","4","8","2","7","1") = "7"
    & skf18("6","7","4","8","2","8","1") = "7"
    & skf18("6","7","4","8","2","9","1") = "8"
    & skf18("6","7","4","8","2","10","1") = "9"
    & skf18("6","7","4","8","3","1","1") = "7"
    & skf18("6","7","4","8","3","2","1") = "7"
    & skf18("6","7","4","8","3","3","1") = "7"
    & skf18("6","7","4","8","3","4","1") = "7"
    & skf18("6","7","4","8","3","5","1") = "7"
    & skf18("6","7","4","8","3","6","1") = "7"
    & skf18("6","7","4","8","3","7","1") = "7"
    & skf18("6","7","4","8","3","8","1") = "7"
    & skf18("6","7","4","8","3","9","1") = "8"
    & skf18("6","7","4","8","3","10","1") = "9"
    & skf18("6","7","4","8","4","1","1") = "7"
    & skf18("6","7","4","8","4","2","1") = "7"
    & skf18("6","7","4","8","4","3","1") = "7"
    & skf18("6","7","4","8","4","4","1") = "7"
    & skf18("6","7","4","8","4","5","1") = "7"
    & skf18("6","7","4","8","4","6","1") = "7"
    & skf18("6","7","4","8","4","7","1") = "7"
    & skf18("6","7","4","8","4","8","1") = "7"
    & skf18("6","7","4","8","4","9","1") = "8"
    & skf18("6","7","4","8","4","10","1") = "9"
    & skf18("6","7","4","8","5","1","1") = "7"
    & skf18("6","7","4","8","5","2","1") = "7"
    & skf18("6","7","4","8","5","3","1") = "7"
    & skf18("6","7","4","8","5","4","1") = "7"
    & skf18("6","7","4","8","5","5","1") = "7"
    & skf18("6","7","4","8","5","6","1") = "7"
    & skf18("6","7","4","8","5","7","1") = "7"
    & skf18("6","7","4","8","5","8","1") = "7"
    & skf18("6","7","4","8","5","9","1") = "8"
    & skf18("6","7","4","8","5","10","1") = "9"
    & skf18("6","7","4","8","6","1","1") = "7"
    & skf18("6","7","4","8","6","2","1") = "7"
    & skf18("6","7","4","8","6","3","1") = "7"
    & skf18("6","7","4","8","6","4","1") = "7"
    & skf18("6","7","4","8","6","5","1") = "7"
    & skf18("6","7","4","8","6","6","1") = "7"
    & skf18("6","7","4","8","6","7","1") = "7"
    & skf18("6","7","4","8","6","8","1") = "7"
    & skf18("6","7","4","8","6","9","1") = "8"
    & skf18("6","7","4","8","6","10","1") = "9"
    & skf18("6","7","4","8","7","1","1") = "7"
    & skf18("6","7","4","8","7","2","1") = "7"
    & skf18("6","7","4","8","7","3","1") = "7"
    & skf18("6","7","4","8","7","4","1") = "7"
    & skf18("6","7","4","8","7","5","1") = "7"
    & skf18("6","7","4","8","7","6","1") = "7"
    & skf18("6","7","4","8","7","7","1") = "7"
    & skf18("6","7","4","8","7","8","1") = "7"
    & skf18("6","7","4","8","7","9","1") = "8"
    & skf18("6","7","4","8","7","10","1") = "9"
    & skf18("6","7","4","8","8","1","1") = "7"
    & skf18("6","7","4","8","8","2","1") = "7"
    & skf18("6","7","4","8","8","3","1") = "7"
    & skf18("6","7","4","8","8","4","1") = "7"
    & skf18("6","7","4","8","8","5","1") = "7"
    & skf18("6","7","4","8","8","6","1") = "7"
    & skf18("6","7","4","8","8","7","1") = "7"
    & skf18("6","7","4","8","8","8","1") = "7"
    & skf18("6","7","4","8","8","9","1") = "8"
    & skf18("6","7","4","8","8","10","1") = "9"
    & skf18("6","7","4","8","9","1","1") = "8"
    & skf18("6","7","4","8","9","2","1") = "8"
    & skf18("6","7","4","8","9","3","1") = "8"
    & skf18("6","7","4","8","9","4","1") = "8"
    & skf18("6","7","4","8","9","5","1") = "8"
    & skf18("6","7","4","8","9","6","1") = "8"
    & skf18("6","7","4","8","9","7","1") = "8"
    & skf18("6","7","4","8","9","8","1") = "8"
    & skf18("6","7","4","8","9","9","1") = "8"
    & skf18("6","7","4","8","9","10","1") = "9"
    & skf18("6","7","4","8","10","1","1") = "9"
    & skf18("6","7","4","8","10","2","1") = "9"
    & skf18("6","7","4","8","10","3","1") = "9"
    & skf18("6","7","4","8","10","4","1") = "9"
    & skf18("6","7","4","8","10","5","1") = "9"
    & skf18("6","7","4","8","10","6","1") = "9"
    & skf18("6","7","4","8","10","7","1") = "9"
    & skf18("6","7","4","8","10","8","1") = "9"
    & skf18("6","7","4","8","10","9","1") = "9"
    & skf18("6","7","4","8","10","10","1") = "9"
    & skf18("6","7","4","9","1","1","1") = "8"
    & skf18("6","7","4","9","1","2","1") = "8"
    & skf18("6","7","4","9","1","3","1") = "8"
    & skf18("6","7","4","9","1","4","1") = "8"
    & skf18("6","7","4","9","1","5","1") = "8"
    & skf18("6","7","4","9","1","6","1") = "8"
    & skf18("6","7","4","9","1","7","1") = "8"
    & skf18("6","7","4","9","1","8","1") = "8"
    & skf18("6","7","4","9","1","9","1") = "8"
    & skf18("6","7","4","9","1","10","1") = "9"
    & skf18("6","7","4","9","2","1","1") = "8"
    & skf18("6","7","4","9","2","2","1") = "8"
    & skf18("6","7","4","9","2","3","1") = "8"
    & skf18("6","7","4","9","2","4","1") = "8"
    & skf18("6","7","4","9","2","5","1") = "8"
    & skf18("6","7","4","9","2","6","1") = "8"
    & skf18("6","7","4","9","2","7","1") = "8"
    & skf18("6","7","4","9","2","8","1") = "8"
    & skf18("6","7","4","9","2","9","1") = "8"
    & skf18("6","7","4","9","2","10","1") = "9"
    & skf18("6","7","4","9","3","1","1") = "8"
    & skf18("6","7","4","9","3","2","1") = "8"
    & skf18("6","7","4","9","3","3","1") = "8"
    & skf18("6","7","4","9","3","4","1") = "8"
    & skf18("6","7","4","9","3","5","1") = "8"
    & skf18("6","7","4","9","3","6","1") = "8"
    & skf18("6","7","4","9","3","7","1") = "8"
    & skf18("6","7","4","9","3","8","1") = "8"
    & skf18("6","7","4","9","3","9","1") = "8"
    & skf18("6","7","4","9","3","10","1") = "9"
    & skf18("6","7","4","9","4","1","1") = "8"
    & skf18("6","7","4","9","4","2","1") = "8"
    & skf18("6","7","4","9","4","3","1") = "8"
    & skf18("6","7","4","9","4","4","1") = "8"
    & skf18("6","7","4","9","4","5","1") = "8"
    & skf18("6","7","4","9","4","6","1") = "8"
    & skf18("6","7","4","9","4","7","1") = "8"
    & skf18("6","7","4","9","4","8","1") = "8"
    & skf18("6","7","4","9","4","9","1") = "8"
    & skf18("6","7","4","9","4","10","1") = "9"
    & skf18("6","7","4","9","5","1","1") = "8"
    & skf18("6","7","4","9","5","2","1") = "8"
    & skf18("6","7","4","9","5","3","1") = "8"
    & skf18("6","7","4","9","5","4","1") = "8"
    & skf18("6","7","4","9","5","5","1") = "8"
    & skf18("6","7","4","9","5","6","1") = "8"
    & skf18("6","7","4","9","5","7","1") = "8"
    & skf18("6","7","4","9","5","8","1") = "8"
    & skf18("6","7","4","9","5","9","1") = "8"
    & skf18("6","7","4","9","5","10","1") = "9"
    & skf18("6","7","4","9","6","1","1") = "8"
    & skf18("6","7","4","9","6","2","1") = "8"
    & skf18("6","7","4","9","6","3","1") = "8"
    & skf18("6","7","4","9","6","4","1") = "8"
    & skf18("6","7","4","9","6","5","1") = "8"
    & skf18("6","7","4","9","6","6","1") = "8"
    & skf18("6","7","4","9","6","7","1") = "8"
    & skf18("6","7","4","9","6","8","1") = "8"
    & skf18("6","7","4","9","6","9","1") = "8"
    & skf18("6","7","4","9","6","10","1") = "9"
    & skf18("6","7","4","9","7","1","1") = "8"
    & skf18("6","7","4","9","7","2","1") = "8"
    & skf18("6","7","4","9","7","3","1") = "8"
    & skf18("6","7","4","9","7","4","1") = "8"
    & skf18("6","7","4","9","7","5","1") = "8"
    & skf18("6","7","4","9","7","6","1") = "8"
    & skf18("6","7","4","9","7","7","1") = "8"
    & skf18("6","7","4","9","7","8","1") = "8"
    & skf18("6","7","4","9","7","9","1") = "8"
    & skf18("6","7","4","9","7","10","1") = "9"
    & skf18("6","7","4","9","8","1","1") = "8"
    & skf18("6","7","4","9","8","2","1") = "8"
    & skf18("6","7","4","9","8","3","1") = "8"
    & skf18("6","7","4","9","8","4","1") = "8"
    & skf18("6","7","4","9","8","5","1") = "8"
    & skf18("6","7","4","9","8","6","1") = "8"
    & skf18("6","7","4","9","8","7","1") = "8"
    & skf18("6","7","4","9","8","8","1") = "8"
    & skf18("6","7","4","9","8","9","1") = "8"
    & skf18("6","7","4","9","8","10","1") = "9"
    & skf18("6","7","4","9","9","1","1") = "8"
    & skf18("6","7","4","9","9","2","1") = "8"
    & skf18("6","7","4","9","9","3","1") = "8"
    & skf18("6","7","4","9","9","4","1") = "8"
    & skf18("6","7","4","9","9","5","1") = "8"
    & skf18("6","7","4","9","9","6","1") = "8"
    & skf18("6","7","4","9","9","7","1") = "8"
    & skf18("6","7","4","9","9","8","1") = "8"
    & skf18("6","7","4","9","9","9","1") = "8"
    & skf18("6","7","4","9","9","10","1") = "9"
    & skf18("6","7","4","9","10","1","1") = "9"
    & skf18("6","7","4","9","10","2","1") = "9"
    & skf18("6","7","4","9","10","3","1") = "9"
    & skf18("6","7","4","9","10","4","1") = "9"
    & skf18("6","7","4","9","10","5","1") = "9"
    & skf18("6","7","4","9","10","6","1") = "9"
    & skf18("6","7","4","9","10","7","1") = "9"
    & skf18("6","7","4","9","10","8","1") = "9"
    & skf18("6","7","4","9","10","9","1") = "9"
    & skf18("6","7","4","9","10","10","1") = "9"
    & skf18("6","7","4","10","1","1","1") = "9"
    & skf18("6","7","4","10","1","2","1") = "9"
    & skf18("6","7","4","10","1","3","1") = "9"
    & skf18("6","7","4","10","1","4","1") = "9"
    & skf18("6","7","4","10","1","5","1") = "9"
    & skf18("6","7","4","10","1","6","1") = "9"
    & skf18("6","7","4","10","1","7","1") = "9"
    & skf18("6","7","4","10","1","8","1") = "9"
    & skf18("6","7","4","10","1","9","1") = "9"
    & skf18("6","7","4","10","1","10","1") = "9"
    & skf18("6","7","4","10","2","1","1") = "9"
    & skf18("6","7","4","10","2","2","1") = "9"
    & skf18("6","7","4","10","2","3","1") = "9"
    & skf18("6","7","4","10","2","4","1") = "9"
    & skf18("6","7","4","10","2","5","1") = "9"
    & skf18("6","7","4","10","2","6","1") = "9"
    & skf18("6","7","4","10","2","7","1") = "9"
    & skf18("6","7","4","10","2","8","1") = "9"
    & skf18("6","7","4","10","2","9","1") = "9"
    & skf18("6","7","4","10","2","10","1") = "9"
    & skf18("6","7","4","10","3","1","1") = "9"
    & skf18("6","7","4","10","3","2","1") = "9"
    & skf18("6","7","4","10","3","3","1") = "9"
    & skf18("6","7","4","10","3","4","1") = "9"
    & skf18("6","7","4","10","3","5","1") = "9"
    & skf18("6","7","4","10","3","6","1") = "9"
    & skf18("6","7","4","10","3","7","1") = "9"
    & skf18("6","7","4","10","3","8","1") = "9"
    & skf18("6","7","4","10","3","9","1") = "9"
    & skf18("6","7","4","10","3","10","1") = "9"
    & skf18("6","7","4","10","4","1","1") = "9"
    & skf18("6","7","4","10","4","2","1") = "9"
    & skf18("6","7","4","10","4","3","1") = "9"
    & skf18("6","7","4","10","4","4","1") = "9"
    & skf18("6","7","4","10","4","5","1") = "9"
    & skf18("6","7","4","10","4","6","1") = "9"
    & skf18("6","7","4","10","4","7","1") = "9"
    & skf18("6","7","4","10","4","8","1") = "9"
    & skf18("6","7","4","10","4","9","1") = "9"
    & skf18("6","7","4","10","4","10","1") = "9"
    & skf18("6","7","4","10","5","1","1") = "9"
    & skf18("6","7","4","10","5","2","1") = "9"
    & skf18("6","7","4","10","5","3","1") = "9"
    & skf18("6","7","4","10","5","4","1") = "9"
    & skf18("6","7","4","10","5","5","1") = "9"
    & skf18("6","7","4","10","5","6","1") = "9"
    & skf18("6","7","4","10","5","7","1") = "9"
    & skf18("6","7","4","10","5","8","1") = "9"
    & skf18("6","7","4","10","5","9","1") = "9"
    & skf18("6","7","4","10","5","10","1") = "9"
    & skf18("6","7","4","10","6","1","1") = "9"
    & skf18("6","7","4","10","6","2","1") = "9"
    & skf18("6","7","4","10","6","3","1") = "9"
    & skf18("6","7","4","10","6","4","1") = "9"
    & skf18("6","7","4","10","6","5","1") = "9"
    & skf18("6","7","4","10","6","6","1") = "9"
    & skf18("6","7","4","10","6","7","1") = "9"
    & skf18("6","7","4","10","6","8","1") = "9"
    & skf18("6","7","4","10","6","9","1") = "9"
    & skf18("6","7","4","10","6","10","1") = "9"
    & skf18("6","7","4","10","7","1","1") = "9"
    & skf18("6","7","4","10","7","2","1") = "9"
    & skf18("6","7","4","10","7","3","1") = "9"
    & skf18("6","7","4","10","7","4","1") = "9"
    & skf18("6","7","4","10","7","5","1") = "9"
    & skf18("6","7","4","10","7","6","1") = "9"
    & skf18("6","7","4","10","7","7","1") = "9"
    & skf18("6","7","4","10","7","8","1") = "9"
    & skf18("6","7","4","10","7","9","1") = "9"
    & skf18("6","7","4","10","7","10","1") = "9"
    & skf18("6","7","4","10","8","1","1") = "9"
    & skf18("6","7","4","10","8","2","1") = "9"
    & skf18("6","7","4","10","8","3","1") = "9"
    & skf18("6","7","4","10","8","4","1") = "9"
    & skf18("6","7","4","10","8","5","1") = "9"
    & skf18("6","7","4","10","8","6","1") = "9"
    & skf18("6","7","4","10","8","7","1") = "9"
    & skf18("6","7","4","10","8","8","1") = "9"
    & skf18("6","7","4","10","8","9","1") = "9"
    & skf18("6","7","4","10","8","10","1") = "9"
    & skf18("6","7","4","10","9","1","1") = "9"
    & skf18("6","7","4","10","9","2","1") = "9"
    & skf18("6","7","4","10","9","3","1") = "9"
    & skf18("6","7","4","10","9","4","1") = "9"
    & skf18("6","7","4","10","9","5","1") = "9"
    & skf18("6","7","4","10","9","6","1") = "9"
    & skf18("6","7","4","10","9","7","1") = "9"
    & skf18("6","7","4","10","9","8","1") = "9"
    & skf18("6","7","4","10","9","9","1") = "9"
    & skf18("6","7","4","10","9","10","1") = "9"
    & skf18("6","7","4","10","10","1","1") = "9"
    & skf18("6","7","4","10","10","2","1") = "9"
    & skf18("6","7","4","10","10","3","1") = "9"
    & skf18("6","7","4","10","10","4","1") = "9"
    & skf18("6","7","4","10","10","5","1") = "9"
    & skf18("6","7","4","10","10","6","1") = "9"
    & skf18("6","7","4","10","10","7","1") = "9"
    & skf18("6","7","4","10","10","8","1") = "9"
    & skf18("6","7","4","10","10","9","1") = "9"
    & skf18("6","7","4","10","10","10","1") = "9"
    & skf18("6","7","5","1","1","1","1") = "6"
    & skf18("6","7","5","1","1","2","1") = "6"
    & skf18("6","7","5","1","1","3","1") = "6"
    & skf18("6","7","5","1","1","4","1") = "6"
    & skf18("6","7","5","1","1","5","1") = "6"
    & skf18("6","7","5","1","1","6","1") = "6"
    & skf18("6","7","5","1","1","7","1") = "6"
    & skf18("6","7","5","1","1","8","1") = "7"
    & skf18("6","7","5","1","1","9","1") = "8"
    & skf18("6","7","5","1","1","10","1") = "9"
    & skf18("6","7","5","1","2","1","1") = "6"
    & skf18("6","7","5","1","2","2","1") = "6"
    & skf18("6","7","5","1","2","3","1") = "6"
    & skf18("6","7","5","1","2","4","1") = "6"
    & skf18("6","7","5","1","2","5","1") = "6"
    & skf18("6","7","5","1","2","6","1") = "6"
    & skf18("6","7","5","1","2","7","1") = "6"
    & skf18("6","7","5","1","2","8","1") = "7"
    & skf18("6","7","5","1","2","9","1") = "8"
    & skf18("6","7","5","1","2","10","1") = "9"
    & skf18("6","7","5","1","3","1","1") = "6"
    & skf18("6","7","5","1","3","2","1") = "6"
    & skf18("6","7","5","1","3","3","1") = "6"
    & skf18("6","7","5","1","3","4","1") = "6"
    & skf18("6","7","5","1","3","5","1") = "6"
    & skf18("6","7","5","1","3","6","1") = "6"
    & skf18("6","7","5","1","3","7","1") = "6"
    & skf18("6","7","5","1","3","8","1") = "7"
    & skf18("6","7","5","1","3","9","1") = "8"
    & skf18("6","7","5","1","3","10","1") = "9"
    & skf18("6","7","5","1","4","1","1") = "6"
    & skf18("6","7","5","1","4","2","1") = "6"
    & skf18("6","7","5","1","4","3","1") = "6"
    & skf18("6","7","5","1","4","4","1") = "6"
    & skf18("6","7","5","1","4","5","1") = "6"
    & skf18("6","7","5","1","4","6","1") = "6"
    & skf18("6","7","5","1","4","7","1") = "6"
    & skf18("6","7","5","1","4","8","1") = "7"
    & skf18("6","7","5","1","4","9","1") = "8"
    & skf18("6","7","5","1","4","10","1") = "9"
    & skf18("6","7","5","1","5","1","1") = "6"
    & skf18("6","7","5","1","5","2","1") = "6"
    & skf18("6","7","5","1","5","3","1") = "6"
    & skf18("6","7","5","1","5","4","1") = "6"
    & skf18("6","7","5","1","5","5","1") = "6"
    & skf18("6","7","5","1","5","6","1") = "6"
    & skf18("6","7","5","1","5","7","1") = "6"
    & skf18("6","7","5","1","5","8","1") = "7"
    & skf18("6","7","5","1","5","9","1") = "8"
    & skf18("6","7","5","1","5","10","1") = "9"
    & skf18("6","7","5","1","6","1","1") = "6"
    & skf18("6","7","5","1","6","2","1") = "6"
    & skf18("6","7","5","1","6","3","1") = "6"
    & skf18("6","7","5","1","6","4","1") = "6"
    & skf18("6","7","5","1","6","5","1") = "6"
    & skf18("6","7","5","1","6","6","1") = "6"
    & skf18("6","7","5","1","6","7","1") = "6"
    & skf18("6","7","5","1","6","8","1") = "7"
    & skf18("6","7","5","1","6","9","1") = "8"
    & skf18("6","7","5","1","6","10","1") = "9"
    & skf18("6","7","5","1","7","1","1") = "6"
    & skf18("6","7","5","1","7","2","1") = "6"
    & skf18("6","7","5","1","7","3","1") = "6"
    & skf18("6","7","5","1","7","4","1") = "6"
    & skf18("6","7","5","1","7","5","1") = "6"
    & skf18("6","7","5","1","7","6","1") = "6"
    & skf18("6","7","5","1","7","7","1") = "6"
    & skf18("6","7","5","1","7","8","1") = "7"
    & skf18("6","7","5","1","7","9","1") = "8"
    & skf18("6","7","5","1","7","10","1") = "9"
    & skf18("6","7","5","1","8","1","1") = "7"
    & skf18("6","7","5","1","8","2","1") = "7"
    & skf18("6","7","5","1","8","3","1") = "7"
    & skf18("6","7","5","1","8","4","1") = "7"
    & skf18("6","7","5","1","8","5","1") = "7"
    & skf18("6","7","5","1","8","6","1") = "7"
    & skf18("6","7","5","1","8","7","1") = "7"
    & skf18("6","7","5","1","8","8","1") = "7"
    & skf18("6","7","5","1","8","9","1") = "8"
    & skf18("6","7","5","1","8","10","1") = "9"
    & skf18("6","7","5","1","9","1","1") = "8"
    & skf18("6","7","5","1","9","2","1") = "8"
    & skf18("6","7","5","1","9","3","1") = "8"
    & skf18("6","7","5","1","9","4","1") = "8"
    & skf18("6","7","5","1","9","5","1") = "8"
    & skf18("6","7","5","1","9","6","1") = "8"
    & skf18("6","7","5","1","9","7","1") = "8"
    & skf18("6","7","5","1","9","8","1") = "8"
    & skf18("6","7","5","1","9","9","1") = "8"
    & skf18("6","7","5","1","9","10","1") = "9"
    & skf18("6","7","5","1","10","1","1") = "9"
    & skf18("6","7","5","1","10","2","1") = "9"
    & skf18("6","7","5","1","10","3","1") = "9"
    & skf18("6","7","5","1","10","4","1") = "9"
    & skf18("6","7","5","1","10","5","1") = "9"
    & skf18("6","7","5","1","10","6","1") = "9"
    & skf18("6","7","5","1","10","7","1") = "9"
    & skf18("6","7","5","1","10","8","1") = "9"
    & skf18("6","7","5","1","10","9","1") = "9"
    & skf18("6","7","5","1","10","10","1") = "9"
    & skf18("6","7","5","2","1","1","1") = "6"
    & skf18("6","7","5","2","1","2","1") = "6"
    & skf18("6","7","5","2","1","3","1") = "6"
    & skf18("6","7","5","2","1","4","1") = "6"
    & skf18("6","7","5","2","1","5","1") = "6"
    & skf18("6","7","5","2","1","6","1") = "6"
    & skf18("6","7","5","2","1","7","1") = "6"
    & skf18("6","7","5","2","1","8","1") = "7"
    & skf18("6","7","5","2","1","9","1") = "8"
    & skf18("6","7","5","2","1","10","1") = "9"
    & skf18("6","7","5","2","2","1","1") = "6"
    & skf18("6","7","5","2","2","2","1") = "6"
    & skf18("6","7","5","2","2","3","1") = "6"
    & skf18("6","7","5","2","2","4","1") = "6"
    & skf18("6","7","5","2","2","5","1") = "6"
    & skf18("6","7","5","2","2","6","1") = "6"
    & skf18("6","7","5","2","2","7","1") = "6"
    & skf18("6","7","5","2","2","8","1") = "7"
    & skf18("6","7","5","2","2","9","1") = "8"
    & skf18("6","7","5","2","2","10","1") = "9"
    & skf18("6","7","5","2","3","1","1") = "6"
    & skf18("6","7","5","2","3","2","1") = "6"
    & skf18("6","7","5","2","3","3","1") = "6"
    & skf18("6","7","5","2","3","4","1") = "6"
    & skf18("6","7","5","2","3","5","1") = "6"
    & skf18("6","7","5","2","3","6","1") = "6"
    & skf18("6","7","5","2","3","7","1") = "6"
    & skf18("6","7","5","2","3","8","1") = "7"
    & skf18("6","7","5","2","3","9","1") = "8"
    & skf18("6","7","5","2","3","10","1") = "9"
    & skf18("6","7","5","2","4","1","1") = "6"
    & skf18("6","7","5","2","4","2","1") = "6"
    & skf18("6","7","5","2","4","3","1") = "6"
    & skf18("6","7","5","2","4","4","1") = "6"
    & skf18("6","7","5","2","4","5","1") = "6"
    & skf18("6","7","5","2","4","6","1") = "6"
    & skf18("6","7","5","2","4","7","1") = "6"
    & skf18("6","7","5","2","4","8","1") = "7"
    & skf18("6","7","5","2","4","9","1") = "8"
    & skf18("6","7","5","2","4","10","1") = "9"
    & skf18("6","7","5","2","5","1","1") = "6"
    & skf18("6","7","5","2","5","2","1") = "6"
    & skf18("6","7","5","2","5","3","1") = "6"
    & skf18("6","7","5","2","5","4","1") = "6"
    & skf18("6","7","5","2","5","5","1") = "6"
    & skf18("6","7","5","2","5","6","1") = "6"
    & skf18("6","7","5","2","5","7","1") = "6"
    & skf18("6","7","5","2","5","8","1") = "7"
    & skf18("6","7","5","2","5","9","1") = "8"
    & skf18("6","7","5","2","5","10","1") = "9"
    & skf18("6","7","5","2","6","1","1") = "6"
    & skf18("6","7","5","2","6","2","1") = "6"
    & skf18("6","7","5","2","6","3","1") = "6"
    & skf18("6","7","5","2","6","4","1") = "6"
    & skf18("6","7","5","2","6","5","1") = "6"
    & skf18("6","7","5","2","6","6","1") = "6"
    & skf18("6","7","5","2","6","7","1") = "6"
    & skf18("6","7","5","2","6","8","1") = "7"
    & skf18("6","7","5","2","6","9","1") = "8"
    & skf18("6","7","5","2","6","10","1") = "9"
    & skf18("6","7","5","2","7","1","1") = "6"
    & skf18("6","7","5","2","7","2","1") = "6"
    & skf18("6","7","5","2","7","3","1") = "6"
    & skf18("6","7","5","2","7","4","1") = "6"
    & skf18("6","7","5","2","7","5","1") = "6"
    & skf18("6","7","5","2","7","6","1") = "6"
    & skf18("6","7","5","2","7","7","1") = "6"
    & skf18("6","7","5","2","7","8","1") = "7"
    & skf18("6","7","5","2","7","9","1") = "8"
    & skf18("6","7","5","2","7","10","1") = "9"
    & skf18("6","7","5","2","8","1","1") = "7"
    & skf18("6","7","5","2","8","2","1") = "7"
    & skf18("6","7","5","2","8","3","1") = "7"
    & skf18("6","7","5","2","8","4","1") = "7"
    & skf18("6","7","5","2","8","5","1") = "7"
    & skf18("6","7","5","2","8","6","1") = "7"
    & skf18("6","7","5","2","8","7","1") = "7"
    & skf18("6","7","5","2","8","8","1") = "7"
    & skf18("6","7","5","2","8","9","1") = "8"
    & skf18("6","7","5","2","8","10","1") = "9"
    & skf18("6","7","5","2","9","1","1") = "8"
    & skf18("6","7","5","2","9","2","1") = "8"
    & skf18("6","7","5","2","9","3","1") = "8"
    & skf18("6","7","5","2","9","4","1") = "8"
    & skf18("6","7","5","2","9","5","1") = "8"
    & skf18("6","7","5","2","9","6","1") = "8"
    & skf18("6","7","5","2","9","7","1") = "8"
    & skf18("6","7","5","2","9","8","1") = "8"
    & skf18("6","7","5","2","9","9","1") = "8"
    & skf18("6","7","5","2","9","10","1") = "9"
    & skf18("6","7","5","2","10","1","1") = "9"
    & skf18("6","7","5","2","10","2","1") = "9"
    & skf18("6","7","5","2","10","3","1") = "9"
    & skf18("6","7","5","2","10","4","1") = "9"
    & skf18("6","7","5","2","10","5","1") = "9"
    & skf18("6","7","5","2","10","6","1") = "9"
    & skf18("6","7","5","2","10","7","1") = "9"
    & skf18("6","7","5","2","10","8","1") = "9"
    & skf18("6","7","5","2","10","9","1") = "9"
    & skf18("6","7","5","2","10","10","1") = "9"
    & skf18("6","7","5","3","1","1","1") = "6"
    & skf18("6","7","5","3","1","2","1") = "6"
    & skf18("6","7","5","3","1","3","1") = "6"
    & skf18("6","7","5","3","1","4","1") = "6"
    & skf18("6","7","5","3","1","5","1") = "6"
    & skf18("6","7","5","3","1","6","1") = "6"
    & skf18("6","7","5","3","1","7","1") = "6"
    & skf18("6","7","5","3","1","8","1") = "7"
    & skf18("6","7","5","3","1","9","1") = "8"
    & skf18("6","7","5","3","1","10","1") = "9"
    & skf18("6","7","5","3","2","1","1") = "6"
    & skf18("6","7","5","3","2","2","1") = "6"
    & skf18("6","7","5","3","2","3","1") = "6"
    & skf18("6","7","5","3","2","4","1") = "6"
    & skf18("6","7","5","3","2","5","1") = "6"
    & skf18("6","7","5","3","2","6","1") = "6"
    & skf18("6","7","5","3","2","7","1") = "6"
    & skf18("6","7","5","3","2","8","1") = "7"
    & skf18("6","7","5","3","2","9","1") = "8"
    & skf18("6","7","5","3","2","10","1") = "9"
    & skf18("6","7","5","3","3","1","1") = "6"
    & skf18("6","7","5","3","3","2","1") = "6"
    & skf18("6","7","5","3","3","3","1") = "6"
    & skf18("6","7","5","3","3","4","1") = "6"
    & skf18("6","7","5","3","3","5","1") = "6"
    & skf18("6","7","5","3","3","6","1") = "6"
    & skf18("6","7","5","3","3","7","1") = "6"
    & skf18("6","7","5","3","3","8","1") = "7"
    & skf18("6","7","5","3","3","9","1") = "8"
    & skf18("6","7","5","3","3","10","1") = "9"
    & skf18("6","7","5","3","4","1","1") = "6"
    & skf18("6","7","5","3","4","2","1") = "6"
    & skf18("6","7","5","3","4","3","1") = "6"
    & skf18("6","7","5","3","4","4","1") = "6"
    & skf18("6","7","5","3","4","5","1") = "6"
    & skf18("6","7","5","3","4","6","1") = "6"
    & skf18("6","7","5","3","4","7","1") = "6"
    & skf18("6","7","5","3","4","8","1") = "7"
    & skf18("6","7","5","3","4","9","1") = "8"
    & skf18("6","7","5","3","4","10","1") = "9"
    & skf18("6","7","5","3","5","1","1") = "6"
    & skf18("6","7","5","3","5","2","1") = "6"
    & skf18("6","7","5","3","5","3","1") = "6"
    & skf18("6","7","5","3","5","4","1") = "6"
    & skf18("6","7","5","3","5","5","1") = "6"
    & skf18("6","7","5","3","5","6","1") = "6"
    & skf18("6","7","5","3","5","7","1") = "6"
    & skf18("6","7","5","3","5","8","1") = "7"
    & skf18("6","7","5","3","5","9","1") = "8"
    & skf18("6","7","5","3","5","10","1") = "9"
    & skf18("6","7","5","3","6","1","1") = "6"
    & skf18("6","7","5","3","6","2","1") = "6"
    & skf18("6","7","5","3","6","3","1") = "6"
    & skf18("6","7","5","3","6","4","1") = "6"
    & skf18("6","7","5","3","6","5","1") = "6"
    & skf18("6","7","5","3","6","6","1") = "6"
    & skf18("6","7","5","3","6","7","1") = "6"
    & skf18("6","7","5","3","6","8","1") = "7"
    & skf18("6","7","5","3","6","9","1") = "8"
    & skf18("6","7","5","3","6","10","1") = "9"
    & skf18("6","7","5","3","7","1","1") = "6"
    & skf18("6","7","5","3","7","2","1") = "6"
    & skf18("6","7","5","3","7","3","1") = "6"
    & skf18("6","7","5","3","7","4","1") = "6"
    & skf18("6","7","5","3","7","5","1") = "6"
    & skf18("6","7","5","3","7","6","1") = "6"
    & skf18("6","7","5","3","7","7","1") = "6"
    & skf18("6","7","5","3","7","8","1") = "7"
    & skf18("6","7","5","3","7","9","1") = "8"
    & skf18("6","7","5","3","7","10","1") = "9"
    & skf18("6","7","5","3","8","1","1") = "7"
    & skf18("6","7","5","3","8","2","1") = "7"
    & skf18("6","7","5","3","8","3","1") = "7"
    & skf18("6","7","5","3","8","4","1") = "7"
    & skf18("6","7","5","3","8","5","1") = "7"
    & skf18("6","7","5","3","8","6","1") = "7"
    & skf18("6","7","5","3","8","7","1") = "7"
    & skf18("6","7","5","3","8","8","1") = "7"
    & skf18("6","7","5","3","8","9","1") = "8"
    & skf18("6","7","5","3","8","10","1") = "9"
    & skf18("6","7","5","3","9","1","1") = "8"
    & skf18("6","7","5","3","9","2","1") = "8"
    & skf18("6","7","5","3","9","3","1") = "8"
    & skf18("6","7","5","3","9","4","1") = "8"
    & skf18("6","7","5","3","9","5","1") = "8"
    & skf18("6","7","5","3","9","6","1") = "8"
    & skf18("6","7","5","3","9","7","1") = "8"
    & skf18("6","7","5","3","9","8","1") = "8"
    & skf18("6","7","5","3","9","9","1") = "8"
    & skf18("6","7","5","3","9","10","1") = "9"
    & skf18("6","7","5","3","10","1","1") = "9"
    & skf18("6","7","5","3","10","2","1") = "9"
    & skf18("6","7","5","3","10","3","1") = "9"
    & skf18("6","7","5","3","10","4","1") = "9"
    & skf18("6","7","5","3","10","5","1") = "9"
    & skf18("6","7","5","3","10","6","1") = "9"
    & skf18("6","7","5","3","10","7","1") = "9"
    & skf18("6","7","5","3","10","8","1") = "9"
    & skf18("6","7","5","3","10","9","1") = "9"
    & skf18("6","7","5","3","10","10","1") = "9"
    & skf18("6","7","5","4","1","1","1") = "6"
    & skf18("6","7","5","4","1","2","1") = "6"
    & skf18("6","7","5","4","1","3","1") = "6"
    & skf18("6","7","5","4","1","4","1") = "6"
    & skf18("6","7","5","4","1","5","1") = "6"
    & skf18("6","7","5","4","1","6","1") = "6"
    & skf18("6","7","5","4","1","7","1") = "6"
    & skf18("6","7","5","4","1","8","1") = "7"
    & skf18("6","7","5","4","1","9","1") = "8"
    & skf18("6","7","5","4","1","10","1") = "9"
    & skf18("6","7","5","4","2","1","1") = "6"
    & skf18("6","7","5","4","2","2","1") = "6"
    & skf18("6","7","5","4","2","3","1") = "6"
    & skf18("6","7","5","4","2","4","1") = "6"
    & skf18("6","7","5","4","2","5","1") = "6"
    & skf18("6","7","5","4","2","6","1") = "6"
    & skf18("6","7","5","4","2","7","1") = "6"
    & skf18("6","7","5","4","2","8","1") = "7"
    & skf18("6","7","5","4","2","9","1") = "8"
    & skf18("6","7","5","4","2","10","1") = "9"
    & skf18("6","7","5","4","3","1","1") = "6"
    & skf18("6","7","5","4","3","2","1") = "6"
    & skf18("6","7","5","4","3","3","1") = "6"
    & skf18("6","7","5","4","3","4","1") = "6"
    & skf18("6","7","5","4","3","5","1") = "6"
    & skf18("6","7","5","4","3","6","1") = "6"
    & skf18("6","7","5","4","3","7","1") = "6"
    & skf18("6","7","5","4","3","8","1") = "7"
    & skf18("6","7","5","4","3","9","1") = "8"
    & skf18("6","7","5","4","3","10","1") = "9"
    & skf18("6","7","5","4","4","1","1") = "6"
    & skf18("6","7","5","4","4","2","1") = "6"
    & skf18("6","7","5","4","4","3","1") = "6"
    & skf18("6","7","5","4","4","4","1") = "6"
    & skf18("6","7","5","4","4","5","1") = "6"
    & skf18("6","7","5","4","4","6","1") = "6"
    & skf18("6","7","5","4","4","7","1") = "6"
    & skf18("6","7","5","4","4","8","1") = "7"
    & skf18("6","7","5","4","4","9","1") = "8"
    & skf18("6","7","5","4","4","10","1") = "9"
    & skf18("6","7","5","4","5","1","1") = "6"
    & skf18("6","7","5","4","5","2","1") = "6"
    & skf18("6","7","5","4","5","3","1") = "6"
    & skf18("6","7","5","4","5","4","1") = "6"
    & skf18("6","7","5","4","5","5","1") = "6"
    & skf18("6","7","5","4","5","6","1") = "6"
    & skf18("6","7","5","4","5","7","1") = "6"
    & skf18("6","7","5","4","5","8","1") = "7"
    & skf18("6","7","5","4","5","9","1") = "8"
    & skf18("6","7","5","4","5","10","1") = "9"
    & skf18("6","7","5","4","6","1","1") = "6"
    & skf18("6","7","5","4","6","2","1") = "6"
    & skf18("6","7","5","4","6","3","1") = "6"
    & skf18("6","7","5","4","6","4","1") = "6"
    & skf18("6","7","5","4","6","5","1") = "6"
    & skf18("6","7","5","4","6","6","1") = "6"
    & skf18("6","7","5","4","6","7","1") = "6"
    & skf18("6","7","5","4","6","8","1") = "7"
    & skf18("6","7","5","4","6","9","1") = "8"
    & skf18("6","7","5","4","6","10","1") = "9"
    & skf18("6","7","5","4","7","1","1") = "6"
    & skf18("6","7","5","4","7","2","1") = "6"
    & skf18("6","7","5","4","7","3","1") = "6"
    & skf18("6","7","5","4","7","4","1") = "6"
    & skf18("6","7","5","4","7","5","1") = "6"
    & skf18("6","7","5","4","7","6","1") = "6"
    & skf18("6","7","5","4","7","7","1") = "6"
    & skf18("6","7","5","4","7","8","1") = "7"
    & skf18("6","7","5","4","7","9","1") = "8"
    & skf18("6","7","5","4","7","10","1") = "9"
    & skf18("6","7","5","4","8","1","1") = "7"
    & skf18("6","7","5","4","8","2","1") = "7"
    & skf18("6","7","5","4","8","3","1") = "7"
    & skf18("6","7","5","4","8","4","1") = "7"
    & skf18("6","7","5","4","8","5","1") = "7"
    & skf18("6","7","5","4","8","6","1") = "7"
    & skf18("6","7","5","4","8","7","1") = "7"
    & skf18("6","7","5","4","8","8","1") = "7"
    & skf18("6","7","5","4","8","9","1") = "8"
    & skf18("6","7","5","4","8","10","1") = "9"
    & skf18("6","7","5","4","9","1","1") = "8"
    & skf18("6","7","5","4","9","2","1") = "8"
    & skf18("6","7","5","4","9","3","1") = "8"
    & skf18("6","7","5","4","9","4","1") = "8"
    & skf18("6","7","5","4","9","5","1") = "8"
    & skf18("6","7","5","4","9","6","1") = "8"
    & skf18("6","7","5","4","9","7","1") = "8"
    & skf18("6","7","5","4","9","8","1") = "8"
    & skf18("6","7","5","4","9","9","1") = "8"
    & skf18("6","7","5","4","9","10","1") = "9"
    & skf18("6","7","5","4","10","1","1") = "9"
    & skf18("6","7","5","4","10","2","1") = "9"
    & skf18("6","7","5","4","10","3","1") = "9"
    & skf18("6","7","5","4","10","4","1") = "9"
    & skf18("6","7","5","4","10","5","1") = "9"
    & skf18("6","7","5","4","10","6","1") = "9"
    & skf18("6","7","5","4","10","7","1") = "9"
    & skf18("6","7","5","4","10","8","1") = "9"
    & skf18("6","7","5","4","10","9","1") = "9"
    & skf18("6","7","5","4","10","10","1") = "9"
    & skf18("6","7","5","5","1","1","1") = "6"
    & skf18("6","7","5","5","1","2","1") = "6"
    & skf18("6","7","5","5","1","3","1") = "6"
    & skf18("6","7","5","5","1","4","1") = "6"
    & skf18("6","7","5","5","1","5","1") = "6"
    & skf18("6","7","5","5","1","6","1") = "6"
    & skf18("6","7","5","5","1","7","1") = "6"
    & skf18("6","7","5","5","1","8","1") = "7"
    & skf18("6","7","5","5","1","9","1") = "8"
    & skf18("6","7","5","5","1","10","1") = "9"
    & skf18("6","7","5","5","2","1","1") = "6"
    & skf18("6","7","5","5","2","2","1") = "6"
    & skf18("6","7","5","5","2","3","1") = "6"
    & skf18("6","7","5","5","2","4","1") = "6"
    & skf18("6","7","5","5","2","5","1") = "6"
    & skf18("6","7","5","5","2","6","1") = "6"
    & skf18("6","7","5","5","2","7","1") = "6"
    & skf18("6","7","5","5","2","8","1") = "7"
    & skf18("6","7","5","5","2","9","1") = "8"
    & skf18("6","7","5","5","2","10","1") = "9"
    & skf18("6","7","5","5","3","1","1") = "6"
    & skf18("6","7","5","5","3","2","1") = "6"
    & skf18("6","7","5","5","3","3","1") = "6"
    & skf18("6","7","5","5","3","4","1") = "6"
    & skf18("6","7","5","5","3","5","1") = "6"
    & skf18("6","7","5","5","3","6","1") = "6"
    & skf18("6","7","5","5","3","7","1") = "6"
    & skf18("6","7","5","5","3","8","1") = "7"
    & skf18("6","7","5","5","3","9","1") = "8"
    & skf18("6","7","5","5","3","10","1") = "9"
    & skf18("6","7","5","5","4","1","1") = "6"
    & skf18("6","7","5","5","4","2","1") = "6"
    & skf18("6","7","5","5","4","3","1") = "6"
    & skf18("6","7","5","5","4","4","1") = "6"
    & skf18("6","7","5","5","4","5","1") = "6"
    & skf18("6","7","5","5","4","6","1") = "6"
    & skf18("6","7","5","5","4","7","1") = "6"
    & skf18("6","7","5","5","4","8","1") = "7"
    & skf18("6","7","5","5","4","9","1") = "8"
    & skf18("6","7","5","5","4","10","1") = "9"
    & skf18("6","7","5","5","5","1","1") = "6"
    & skf18("6","7","5","5","5","2","1") = "6"
    & skf18("6","7","5","5","5","3","1") = "6"
    & skf18("6","7","5","5","5","4","1") = "6"
    & skf18("6","7","5","5","5","5","1") = "6"
    & skf18("6","7","5","5","5","6","1") = "6"
    & skf18("6","7","5","5","5","7","1") = "6"
    & skf18("6","7","5","5","5","8","1") = "7"
    & skf18("6","7","5","5","5","9","1") = "8"
    & skf18("6","7","5","5","5","10","1") = "9"
    & skf18("6","7","5","5","6","1","1") = "6"
    & skf18("6","7","5","5","6","2","1") = "6"
    & skf18("6","7","5","5","6","3","1") = "6"
    & skf18("6","7","5","5","6","4","1") = "6"
    & skf18("6","7","5","5","6","5","1") = "6"
    & skf18("6","7","5","5","6","6","1") = "6"
    & skf18("6","7","5","5","6","7","1") = "6"
    & skf18("6","7","5","5","6","8","1") = "7"
    & skf18("6","7","5","5","6","9","1") = "8"
    & skf18("6","7","5","5","6","10","1") = "9"
    & skf18("6","7","5","5","7","1","1") = "6"
    & skf18("6","7","5","5","7","2","1") = "6"
    & skf18("6","7","5","5","7","3","1") = "6"
    & skf18("6","7","5","5","7","4","1") = "6"
    & skf18("6","7","5","5","7","5","1") = "6"
    & skf18("6","7","5","5","7","6","1") = "6"
    & skf18("6","7","5","5","7","7","1") = "6"
    & skf18("6","7","5","5","7","8","1") = "7"
    & skf18("6","7","5","5","7","9","1") = "8"
    & skf18("6","7","5","5","7","10","1") = "9"
    & skf18("6","7","5","5","8","1","1") = "7"
    & skf18("6","7","5","5","8","2","1") = "7"
    & skf18("6","7","5","5","8","3","1") = "7"
    & skf18("6","7","5","5","8","4","1") = "7"
    & skf18("6","7","5","5","8","5","1") = "7"
    & skf18("6","7","5","5","8","6","1") = "7"
    & skf18("6","7","5","5","8","7","1") = "7"
    & skf18("6","7","5","5","8","8","1") = "7"
    & skf18("6","7","5","5","8","9","1") = "8"
    & skf18("6","7","5","5","8","10","1") = "9"
    & skf18("6","7","5","5","9","1","1") = "8"
    & skf18("6","7","5","5","9","2","1") = "8"
    & skf18("6","7","5","5","9","3","1") = "8"
    & skf18("6","7","5","5","9","4","1") = "8"
    & skf18("6","7","5","5","9","5","1") = "8"
    & skf18("6","7","5","5","9","6","1") = "8"
    & skf18("6","7","5","5","9","7","1") = "8"
    & skf18("6","7","5","5","9","8","1") = "8"
    & skf18("6","7","5","5","9","9","1") = "8"
    & skf18("6","7","5","5","9","10","1") = "9"
    & skf18("6","7","5","5","10","1","1") = "9"
    & skf18("6","7","5","5","10","2","1") = "9"
    & skf18("6","7","5","5","10","3","1") = "9"
    & skf18("6","7","5","5","10","4","1") = "9"
    & skf18("6","7","5","5","10","5","1") = "9"
    & skf18("6","7","5","5","10","6","1") = "9"
    & skf18("6","7","5","5","10","7","1") = "9"
    & skf18("6","7","5","5","10","8","1") = "9"
    & skf18("6","7","5","5","10","9","1") = "9"
    & skf18("6","7","5","5","10","10","1") = "9"
    & skf18("6","7","5","6","1","1","1") = "6"
    & skf18("6","7","5","6","1","2","1") = "6"
    & skf18("6","7","5","6","1","3","1") = "6"
    & skf18("6","7","5","6","1","4","1") = "6"
    & skf18("6","7","5","6","1","5","1") = "6"
    & skf18("6","7","5","6","1","6","1") = "6"
    & skf18("6","7","5","6","1","7","1") = "6"
    & skf18("6","7","5","6","1","8","1") = "7"
    & skf18("6","7","5","6","1","9","1") = "8"
    & skf18("6","7","5","6","1","10","1") = "9"
    & skf18("6","7","5","6","2","1","1") = "6"
    & skf18("6","7","5","6","2","2","1") = "6"
    & skf18("6","7","5","6","2","3","1") = "6"
    & skf18("6","7","5","6","2","4","1") = "6"
    & skf18("6","7","5","6","2","5","1") = "6"
    & skf18("6","7","5","6","2","6","1") = "6"
    & skf18("6","7","5","6","2","7","1") = "6"
    & skf18("6","7","5","6","2","8","1") = "7"
    & skf18("6","7","5","6","2","9","1") = "8"
    & skf18("6","7","5","6","2","10","1") = "9"
    & skf18("6","7","5","6","3","1","1") = "6"
    & skf18("6","7","5","6","3","2","1") = "6"
    & skf18("6","7","5","6","3","3","1") = "6"
    & skf18("6","7","5","6","3","4","1") = "6"
    & skf18("6","7","5","6","3","5","1") = "6"
    & skf18("6","7","5","6","3","6","1") = "6"
    & skf18("6","7","5","6","3","7","1") = "6"
    & skf18("6","7","5","6","3","8","1") = "7"
    & skf18("6","7","5","6","3","9","1") = "8"
    & skf18("6","7","5","6","3","10","1") = "9"
    & skf18("6","7","5","6","4","1","1") = "6"
    & skf18("6","7","5","6","4","2","1") = "6"
    & skf18("6","7","5","6","4","3","1") = "6"
    & skf18("6","7","5","6","4","4","1") = "6"
    & skf18("6","7","5","6","4","5","1") = "6"
    & skf18("6","7","5","6","4","6","1") = "6"
    & skf18("6","7","5","6","4","7","1") = "6"
    & skf18("6","7","5","6","4","8","1") = "7"
    & skf18("6","7","5","6","4","9","1") = "8"
    & skf18("6","7","5","6","4","10","1") = "9"
    & skf18("6","7","5","6","5","1","1") = "6"
    & skf18("6","7","5","6","5","2","1") = "6"
    & skf18("6","7","5","6","5","3","1") = "6"
    & skf18("6","7","5","6","5","4","1") = "6"
    & skf18("6","7","5","6","5","5","1") = "6"
    & skf18("6","7","5","6","5","6","1") = "6"
    & skf18("6","7","5","6","5","7","1") = "6"
    & skf18("6","7","5","6","5","8","1") = "7"
    & skf18("6","7","5","6","5","9","1") = "8"
    & skf18("6","7","5","6","5","10","1") = "9"
    & skf18("6","7","5","6","6","1","1") = "6"
    & skf18("6","7","5","6","6","2","1") = "6"
    & skf18("6","7","5","6","6","3","1") = "6"
    & skf18("6","7","5","6","6","4","1") = "6"
    & skf18("6","7","5","6","6","5","1") = "6"
    & skf18("6","7","5","6","6","6","1") = "6"
    & skf18("6","7","5","6","6","7","1") = "6"
    & skf18("6","7","5","6","6","8","1") = "7"
    & skf18("6","7","5","6","6","9","1") = "8"
    & skf18("6","7","5","6","6","10","1") = "9"
    & skf18("6","7","5","6","7","1","1") = "6"
    & skf18("6","7","5","6","7","2","1") = "6"
    & skf18("6","7","5","6","7","3","1") = "6"
    & skf18("6","7","5","6","7","4","1") = "6"
    & skf18("6","7","5","6","7","5","1") = "6"
    & skf18("6","7","5","6","7","6","1") = "6"
    & skf18("6","7","5","6","7","7","1") = "6"
    & skf18("6","7","5","6","7","8","1") = "7"
    & skf18("6","7","5","6","7","9","1") = "8"
    & skf18("6","7","5","6","7","10","1") = "9"
    & skf18("6","7","5","6","8","1","1") = "7"
    & skf18("6","7","5","6","8","2","1") = "7"
    & skf18("6","7","5","6","8","3","1") = "7"
    & skf18("6","7","5","6","8","4","1") = "7"
    & skf18("6","7","5","6","8","5","1") = "7"
    & skf18("6","7","5","6","8","6","1") = "7"
    & skf18("6","7","5","6","8","7","1") = "7"
    & skf18("6","7","5","6","8","8","1") = "7"
    & skf18("6","7","5","6","8","9","1") = "8"
    & skf18("6","7","5","6","8","10","1") = "9"
    & skf18("6","7","5","6","9","1","1") = "8"
    & skf18("6","7","5","6","9","2","1") = "8"
    & skf18("6","7","5","6","9","3","1") = "8"
    & skf18("6","7","5","6","9","4","1") = "8"
    & skf18("6","7","5","6","9","5","1") = "8"
    & skf18("6","7","5","6","9","6","1") = "8"
    & skf18("6","7","5","6","9","7","1") = "8"
    & skf18("6","7","5","6","9","8","1") = "8"
    & skf18("6","7","5","6","9","9","1") = "8"
    & skf18("6","7","5","6","9","10","1") = "9"
    & skf18("6","7","5","6","10","1","1") = "9"
    & skf18("6","7","5","6","10","2","1") = "9"
    & skf18("6","7","5","6","10","3","1") = "9"
    & skf18("6","7","5","6","10","4","1") = "9"
    & skf18("6","7","5","6","10","5","1") = "9"
    & skf18("6","7","5","6","10","6","1") = "9"
    & skf18("6","7","5","6","10","7","1") = "9"
    & skf18("6","7","5","6","10","8","1") = "9"
    & skf18("6","7","5","6","10","9","1") = "9"
    & skf18("6","7","5","6","10","10","1") = "9"
    & skf18("6","7","5","7","1","1","1") = "6"
    & skf18("6","7","5","7","1","2","1") = "6"
    & skf18("6","7","5","7","1","3","1") = "6"
    & skf18("6","7","5","7","1","4","1") = "6"
    & skf18("6","7","5","7","1","5","1") = "6"
    & skf18("6","7","5","7","1","6","1") = "6"
    & skf18("6","7","5","7","1","7","1") = "6"
    & skf18("6","7","5","7","1","8","1") = "7"
    & skf18("6","7","5","7","1","9","1") = "8"
    & skf18("6","7","5","7","1","10","1") = "9"
    & skf18("6","7","5","7","2","1","1") = "6"
    & skf18("6","7","5","7","2","2","1") = "6"
    & skf18("6","7","5","7","2","3","1") = "6"
    & skf18("6","7","5","7","2","4","1") = "6"
    & skf18("6","7","5","7","2","5","1") = "6"
    & skf18("6","7","5","7","2","6","1") = "6"
    & skf18("6","7","5","7","2","7","1") = "6"
    & skf18("6","7","5","7","2","8","1") = "7"
    & skf18("6","7","5","7","2","9","1") = "8"
    & skf18("6","7","5","7","2","10","1") = "9"
    & skf18("6","7","5","7","3","1","1") = "6"
    & skf18("6","7","5","7","3","2","1") = "6"
    & skf18("6","7","5","7","3","3","1") = "6"
    & skf18("6","7","5","7","3","4","1") = "6"
    & skf18("6","7","5","7","3","5","1") = "6"
    & skf18("6","7","5","7","3","6","1") = "6"
    & skf18("6","7","5","7","3","7","1") = "6"
    & skf18("6","7","5","7","3","8","1") = "7"
    & skf18("6","7","5","7","3","9","1") = "8"
    & skf18("6","7","5","7","3","10","1") = "9"
    & skf18("6","7","5","7","4","1","1") = "6"
    & skf18("6","7","5","7","4","2","1") = "6"
    & skf18("6","7","5","7","4","3","1") = "6"
    & skf18("6","7","5","7","4","4","1") = "6"
    & skf18("6","7","5","7","4","5","1") = "6"
    & skf18("6","7","5","7","4","6","1") = "6"
    & skf18("6","7","5","7","4","7","1") = "6"
    & skf18("6","7","5","7","4","8","1") = "7"
    & skf18("6","7","5","7","4","9","1") = "8"
    & skf18("6","7","5","7","4","10","1") = "9"
    & skf18("6","7","5","7","5","1","1") = "6"
    & skf18("6","7","5","7","5","2","1") = "6"
    & skf18("6","7","5","7","5","3","1") = "6"
    & skf18("6","7","5","7","5","4","1") = "6"
    & skf18("6","7","5","7","5","5","1") = "6"
    & skf18("6","7","5","7","5","6","1") = "6"
    & skf18("6","7","5","7","5","7","1") = "6"
    & skf18("6","7","5","7","5","8","1") = "7"
    & skf18("6","7","5","7","5","9","1") = "8"
    & skf18("6","7","5","7","5","10","1") = "9"
    & skf18("6","7","5","7","6","1","1") = "6"
    & skf18("6","7","5","7","6","2","1") = "6"
    & skf18("6","7","5","7","6","3","1") = "6"
    & skf18("6","7","5","7","6","4","1") = "6"
    & skf18("6","7","5","7","6","5","1") = "6"
    & skf18("6","7","5","7","6","6","1") = "6"
    & skf18("6","7","5","7","6","7","1") = "6"
    & skf18("6","7","5","7","6","8","1") = "7"
    & skf18("6","7","5","7","6","9","1") = "8"
    & skf18("6","7","5","7","6","10","1") = "9"
    & skf18("6","7","5","7","7","1","1") = "6"
    & skf18("6","7","5","7","7","2","1") = "6"
    & skf18("6","7","5","7","7","3","1") = "6"
    & skf18("6","7","5","7","7","4","1") = "6"
    & skf18("6","7","5","7","7","5","1") = "6"
    & skf18("6","7","5","7","7","6","1") = "6"
    & skf18("6","7","5","7","7","7","1") = "6"
    & skf18("6","7","5","7","7","8","1") = "7"
    & skf18("6","7","5","7","7","9","1") = "8"
    & skf18("6","7","5","7","7","10","1") = "9"
    & skf18("6","7","5","7","8","1","1") = "7"
    & skf18("6","7","5","7","8","2","1") = "7"
    & skf18("6","7","5","7","8","3","1") = "7"
    & skf18("6","7","5","7","8","4","1") = "7"
    & skf18("6","7","5","7","8","5","1") = "7"
    & skf18("6","7","5","7","8","6","1") = "7"
    & skf18("6","7","5","7","8","7","1") = "7"
    & skf18("6","7","5","7","8","8","1") = "7"
    & skf18("6","7","5","7","8","9","1") = "8"
    & skf18("6","7","5","7","8","10","1") = "9"
    & skf18("6","7","5","7","9","1","1") = "8"
    & skf18("6","7","5","7","9","2","1") = "8"
    & skf18("6","7","5","7","9","3","1") = "8"
    & skf18("6","7","5","7","9","4","1") = "8"
    & skf18("6","7","5","7","9","5","1") = "8"
    & skf18("6","7","5","7","9","6","1") = "8"
    & skf18("6","7","5","7","9","7","1") = "8"
    & skf18("6","7","5","7","9","8","1") = "8"
    & skf18("6","7","5","7","9","9","1") = "8"
    & skf18("6","7","5","7","9","10","1") = "9"
    & skf18("6","7","5","7","10","1","1") = "9"
    & skf18("6","7","5","7","10","2","1") = "9"
    & skf18("6","7","5","7","10","3","1") = "9"
    & skf18("6","7","5","7","10","4","1") = "9"
    & skf18("6","7","5","7","10","5","1") = "9"
    & skf18("6","7","5","7","10","6","1") = "9"
    & skf18("6","7","5","7","10","7","1") = "9"
    & skf18("6","7","5","7","10","8","1") = "9"
    & skf18("6","7","5","7","10","9","1") = "9"
    & skf18("6","7","5","7","10","10","1") = "9"
    & skf18("6","7","5","8","1","1","1") = "7"
    & skf18("6","7","5","8","1","2","1") = "7"
    & skf18("6","7","5","8","1","3","1") = "7"
    & skf18("6","7","5","8","1","4","1") = "7"
    & skf18("6","7","5","8","1","5","1") = "7"
    & skf18("6","7","5","8","1","6","1") = "7"
    & skf18("6","7","5","8","1","7","1") = "7"
    & skf18("6","7","5","8","1","8","1") = "7"
    & skf18("6","7","5","8","1","9","1") = "8"
    & skf18("6","7","5","8","1","10","1") = "9"
    & skf18("6","7","5","8","2","1","1") = "7"
    & skf18("6","7","5","8","2","2","1") = "7"
    & skf18("6","7","5","8","2","3","1") = "7"
    & skf18("6","7","5","8","2","4","1") = "7"
    & skf18("6","7","5","8","2","5","1") = "7"
    & skf18("6","7","5","8","2","6","1") = "7"
    & skf18("6","7","5","8","2","7","1") = "7"
    & skf18("6","7","5","8","2","8","1") = "7"
    & skf18("6","7","5","8","2","9","1") = "8"
    & skf18("6","7","5","8","2","10","1") = "9"
    & skf18("6","7","5","8","3","1","1") = "7"
    & skf18("6","7","5","8","3","2","1") = "7"
    & skf18("6","7","5","8","3","3","1") = "7"
    & skf18("6","7","5","8","3","4","1") = "7"
    & skf18("6","7","5","8","3","5","1") = "7"
    & skf18("6","7","5","8","3","6","1") = "7"
    & skf18("6","7","5","8","3","7","1") = "7"
    & skf18("6","7","5","8","3","8","1") = "7"
    & skf18("6","7","5","8","3","9","1") = "8"
    & skf18("6","7","5","8","3","10","1") = "9"
    & skf18("6","7","5","8","4","1","1") = "7"
    & skf18("6","7","5","8","4","2","1") = "7"
    & skf18("6","7","5","8","4","3","1") = "7"
    & skf18("6","7","5","8","4","4","1") = "7"
    & skf18("6","7","5","8","4","5","1") = "7"
    & skf18("6","7","5","8","4","6","1") = "7"
    & skf18("6","7","5","8","4","7","1") = "7"
    & skf18("6","7","5","8","4","8","1") = "7"
    & skf18("6","7","5","8","4","9","1") = "8"
    & skf18("6","7","5","8","4","10","1") = "9"
    & skf18("6","7","5","8","5","1","1") = "7"
    & skf18("6","7","5","8","5","2","1") = "7"
    & skf18("6","7","5","8","5","3","1") = "7"
    & skf18("6","7","5","8","5","4","1") = "7"
    & skf18("6","7","5","8","5","5","1") = "7"
    & skf18("6","7","5","8","5","6","1") = "7"
    & skf18("6","7","5","8","5","7","1") = "7"
    & skf18("6","7","5","8","5","8","1") = "7"
    & skf18("6","7","5","8","5","9","1") = "8"
    & skf18("6","7","5","8","5","10","1") = "9"
    & skf18("6","7","5","8","6","1","1") = "7"
    & skf18("6","7","5","8","6","2","1") = "7"
    & skf18("6","7","5","8","6","3","1") = "7"
    & skf18("6","7","5","8","6","4","1") = "7"
    & skf18("6","7","5","8","6","5","1") = "7"
    & skf18("6","7","5","8","6","6","1") = "7"
    & skf18("6","7","5","8","6","7","1") = "7"
    & skf18("6","7","5","8","6","8","1") = "7"
    & skf18("6","7","5","8","6","9","1") = "8"
    & skf18("6","7","5","8","6","10","1") = "9"
    & skf18("6","7","5","8","7","1","1") = "7"
    & skf18("6","7","5","8","7","2","1") = "7"
    & skf18("6","7","5","8","7","3","1") = "7"
    & skf18("6","7","5","8","7","4","1") = "7"
    & skf18("6","7","5","8","7","5","1") = "7"
    & skf18("6","7","5","8","7","6","1") = "7"
    & skf18("6","7","5","8","7","7","1") = "7"
    & skf18("6","7","5","8","7","8","1") = "7"
    & skf18("6","7","5","8","7","9","1") = "8"
    & skf18("6","7","5","8","7","10","1") = "9"
    & skf18("6","7","5","8","8","1","1") = "7"
    & skf18("6","7","5","8","8","2","1") = "7"
    & skf18("6","7","5","8","8","3","1") = "7"
    & skf18("6","7","5","8","8","4","1") = "7"
    & skf18("6","7","5","8","8","5","1") = "7"
    & skf18("6","7","5","8","8","6","1") = "7"
    & skf18("6","7","5","8","8","7","1") = "7"
    & skf18("6","7","5","8","8","8","1") = "7"
    & skf18("6","7","5","8","8","9","1") = "8"
    & skf18("6","7","5","8","8","10","1") = "9"
    & skf18("6","7","5","8","9","1","1") = "8"
    & skf18("6","7","5","8","9","2","1") = "8"
    & skf18("6","7","5","8","9","3","1") = "8"
    & skf18("6","7","5","8","9","4","1") = "8"
    & skf18("6","7","5","8","9","5","1") = "8"
    & skf18("6","7","5","8","9","6","1") = "8"
    & skf18("6","7","5","8","9","7","1") = "8"
    & skf18("6","7","5","8","9","8","1") = "8"
    & skf18("6","7","5","8","9","9","1") = "8"
    & skf18("6","7","5","8","9","10","1") = "9"
    & skf18("6","7","5","8","10","1","1") = "9"
    & skf18("6","7","5","8","10","2","1") = "9"
    & skf18("6","7","5","8","10","3","1") = "9"
    & skf18("6","7","5","8","10","4","1") = "9"
    & skf18("6","7","5","8","10","5","1") = "9"
    & skf18("6","7","5","8","10","6","1") = "9"
    & skf18("6","7","5","8","10","7","1") = "9"
    & skf18("6","7","5","8","10","8","1") = "9"
    & skf18("6","7","5","8","10","9","1") = "9"
    & skf18("6","7","5","8","10","10","1") = "9"
    & skf18("6","7","5","9","1","1","1") = "8"
    & skf18("6","7","5","9","1","2","1") = "8"
    & skf18("6","7","5","9","1","3","1") = "8"
    & skf18("6","7","5","9","1","4","1") = "8"
    & skf18("6","7","5","9","1","5","1") = "8"
    & skf18("6","7","5","9","1","6","1") = "8"
    & skf18("6","7","5","9","1","7","1") = "8"
    & skf18("6","7","5","9","1","8","1") = "8"
    & skf18("6","7","5","9","1","9","1") = "8"
    & skf18("6","7","5","9","1","10","1") = "9"
    & skf18("6","7","5","9","2","1","1") = "8"
    & skf18("6","7","5","9","2","2","1") = "8"
    & skf18("6","7","5","9","2","3","1") = "8"
    & skf18("6","7","5","9","2","4","1") = "8"
    & skf18("6","7","5","9","2","5","1") = "8"
    & skf18("6","7","5","9","2","6","1") = "8"
    & skf18("6","7","5","9","2","7","1") = "8"
    & skf18("6","7","5","9","2","8","1") = "8"
    & skf18("6","7","5","9","2","9","1") = "8"
    & skf18("6","7","5","9","2","10","1") = "9"
    & skf18("6","7","5","9","3","1","1") = "8"
    & skf18("6","7","5","9","3","2","1") = "8"
    & skf18("6","7","5","9","3","3","1") = "8"
    & skf18("6","7","5","9","3","4","1") = "8"
    & skf18("6","7","5","9","3","5","1") = "8"
    & skf18("6","7","5","9","3","6","1") = "8"
    & skf18("6","7","5","9","3","7","1") = "8"
    & skf18("6","7","5","9","3","8","1") = "8"
    & skf18("6","7","5","9","3","9","1") = "8"
    & skf18("6","7","5","9","3","10","1") = "9"
    & skf18("6","7","5","9","4","1","1") = "8"
    & skf18("6","7","5","9","4","2","1") = "8"
    & skf18("6","7","5","9","4","3","1") = "8"
    & skf18("6","7","5","9","4","4","1") = "8"
    & skf18("6","7","5","9","4","5","1") = "8"
    & skf18("6","7","5","9","4","6","1") = "8"
    & skf18("6","7","5","9","4","7","1") = "8"
    & skf18("6","7","5","9","4","8","1") = "8"
    & skf18("6","7","5","9","4","9","1") = "8"
    & skf18("6","7","5","9","4","10","1") = "9"
    & skf18("6","7","5","9","5","1","1") = "8"
    & skf18("6","7","5","9","5","2","1") = "8"
    & skf18("6","7","5","9","5","3","1") = "8"
    & skf18("6","7","5","9","5","4","1") = "8"
    & skf18("6","7","5","9","5","5","1") = "8"
    & skf18("6","7","5","9","5","6","1") = "8"
    & skf18("6","7","5","9","5","7","1") = "8"
    & skf18("6","7","5","9","5","8","1") = "8"
    & skf18("6","7","5","9","5","9","1") = "8"
    & skf18("6","7","5","9","5","10","1") = "9"
    & skf18("6","7","5","9","6","1","1") = "8"
    & skf18("6","7","5","9","6","2","1") = "8"
    & skf18("6","7","5","9","6","3","1") = "8"
    & skf18("6","7","5","9","6","4","1") = "8"
    & skf18("6","7","5","9","6","5","1") = "8"
    & skf18("6","7","5","9","6","6","1") = "8"
    & skf18("6","7","5","9","6","7","1") = "8"
    & skf18("6","7","5","9","6","8","1") = "8"
    & skf18("6","7","5","9","6","9","1") = "8"
    & skf18("6","7","5","9","6","10","1") = "9"
    & skf18("6","7","5","9","7","1","1") = "8"
    & skf18("6","7","5","9","7","2","1") = "8"
    & skf18("6","7","5","9","7","3","1") = "8"
    & skf18("6","7","5","9","7","4","1") = "8"
    & skf18("6","7","5","9","7","5","1") = "8"
    & skf18("6","7","5","9","7","6","1") = "8"
    & skf18("6","7","5","9","7","7","1") = "8"
    & skf18("6","7","5","9","7","8","1") = "8"
    & skf18("6","7","5","9","7","9","1") = "8"
    & skf18("6","7","5","9","7","10","1") = "9"
    & skf18("6","7","5","9","8","1","1") = "8"
    & skf18("6","7","5","9","8","2","1") = "8"
    & skf18("6","7","5","9","8","3","1") = "8"
    & skf18("6","7","5","9","8","4","1") = "8"
    & skf18("6","7","5","9","8","5","1") = "8"
    & skf18("6","7","5","9","8","6","1") = "8"
    & skf18("6","7","5","9","8","7","1") = "8"
    & skf18("6","7","5","9","8","8","1") = "8"
    & skf18("6","7","5","9","8","9","1") = "8"
    & skf18("6","7","5","9","8","10","1") = "9"
    & skf18("6","7","5","9","9","1","1") = "8"
    & skf18("6","7","5","9","9","2","1") = "8"
    & skf18("6","7","5","9","9","3","1") = "8"
    & skf18("6","7","5","9","9","4","1") = "8"
    & skf18("6","7","5","9","9","5","1") = "8"
    & skf18("6","7","5","9","9","6","1") = "8"
    & skf18("6","7","5","9","9","7","1") = "8"
    & skf18("6","7","5","9","9","8","1") = "8"
    & skf18("6","7","5","9","9","9","1") = "8"
    & skf18("6","7","5","9","9","10","1") = "9"
    & skf18("6","7","5","9","10","1","1") = "9"
    & skf18("6","7","5","9","10","2","1") = "9"
    & skf18("6","7","5","9","10","3","1") = "9"
    & skf18("6","7","5","9","10","4","1") = "9"
    & skf18("6","7","5","9","10","5","1") = "9"
    & skf18("6","7","5","9","10","6","1") = "9"
    & skf18("6","7","5","9","10","7","1") = "9"
    & skf18("6","7","5","9","10","8","1") = "9"
    & skf18("6","7","5","9","10","9","1") = "9"
    & skf18("6","7","5","9","10","10","1") = "9"
    & skf18("6","7","5","10","1","1","1") = "9"
    & skf18("6","7","5","10","1","2","1") = "9"
    & skf18("6","7","5","10","1","3","1") = "9"
    & skf18("6","7","5","10","1","4","1") = "9"
    & skf18("6","7","5","10","1","5","1") = "9"
    & skf18("6","7","5","10","1","6","1") = "9"
    & skf18("6","7","5","10","1","7","1") = "9"
    & skf18("6","7","5","10","1","8","1") = "9"
    & skf18("6","7","5","10","1","9","1") = "9"
    & skf18("6","7","5","10","1","10","1") = "9"
    & skf18("6","7","5","10","2","1","1") = "9"
    & skf18("6","7","5","10","2","2","1") = "9"
    & skf18("6","7","5","10","2","3","1") = "9"
    & skf18("6","7","5","10","2","4","1") = "9"
    & skf18("6","7","5","10","2","5","1") = "9"
    & skf18("6","7","5","10","2","6","1") = "9"
    & skf18("6","7","5","10","2","7","1") = "9"
    & skf18("6","7","5","10","2","8","1") = "9"
    & skf18("6","7","5","10","2","9","1") = "9"
    & skf18("6","7","5","10","2","10","1") = "9"
    & skf18("6","7","5","10","3","1","1") = "9"
    & skf18("6","7","5","10","3","2","1") = "9"
    & skf18("6","7","5","10","3","3","1") = "9"
    & skf18("6","7","5","10","3","4","1") = "9"
    & skf18("6","7","5","10","3","5","1") = "9"
    & skf18("6","7","5","10","3","6","1") = "9"
    & skf18("6","7","5","10","3","7","1") = "9"
    & skf18("6","7","5","10","3","8","1") = "9"
    & skf18("6","7","5","10","3","9","1") = "9"
    & skf18("6","7","5","10","3","10","1") = "9"
    & skf18("6","7","5","10","4","1","1") = "9"
    & skf18("6","7","5","10","4","2","1") = "9"
    & skf18("6","7","5","10","4","3","1") = "9"
    & skf18("6","7","5","10","4","4","1") = "9"
    & skf18("6","7","5","10","4","5","1") = "9"
    & skf18("6","7","5","10","4","6","1") = "9"
    & skf18("6","7","5","10","4","7","1") = "9"
    & skf18("6","7","5","10","4","8","1") = "9"
    & skf18("6","7","5","10","4","9","1") = "9"
    & skf18("6","7","5","10","4","10","1") = "9"
    & skf18("6","7","5","10","5","1","1") = "9"
    & skf18("6","7","5","10","5","2","1") = "9"
    & skf18("6","7","5","10","5","3","1") = "9"
    & skf18("6","7","5","10","5","4","1") = "9"
    & skf18("6","7","5","10","5","5","1") = "9"
    & skf18("6","7","5","10","5","6","1") = "9"
    & skf18("6","7","5","10","5","7","1") = "9"
    & skf18("6","7","5","10","5","8","1") = "9"
    & skf18("6","7","5","10","5","9","1") = "9"
    & skf18("6","7","5","10","5","10","1") = "9"
    & skf18("6","7","5","10","6","1","1") = "9"
    & skf18("6","7","5","10","6","2","1") = "9"
    & skf18("6","7","5","10","6","3","1") = "9"
    & skf18("6","7","5","10","6","4","1") = "9"
    & skf18("6","7","5","10","6","5","1") = "9"
    & skf18("6","7","5","10","6","6","1") = "9"
    & skf18("6","7","5","10","6","7","1") = "9"
    & skf18("6","7","5","10","6","8","1") = "9"
    & skf18("6","7","5","10","6","9","1") = "9"
    & skf18("6","7","5","10","6","10","1") = "9"
    & skf18("6","7","5","10","7","1","1") = "9"
    & skf18("6","7","5","10","7","2","1") = "9"
    & skf18("6","7","5","10","7","3","1") = "9"
    & skf18("6","7","5","10","7","4","1") = "9"
    & skf18("6","7","5","10","7","5","1") = "9"
    & skf18("6","7","5","10","7","6","1") = "9"
    & skf18("6","7","5","10","7","7","1") = "9"
    & skf18("6","7","5","10","7","8","1") = "9"
    & skf18("6","7","5","10","7","9","1") = "9"
    & skf18("6","7","5","10","7","10","1") = "9"
    & skf18("6","7","5","10","8","1","1") = "9"
    & skf18("6","7","5","10","8","2","1") = "9"
    & skf18("6","7","5","10","8","3","1") = "9"
    & skf18("6","7","5","10","8","4","1") = "9"
    & skf18("6","7","5","10","8","5","1") = "9"
    & skf18("6","7","5","10","8","6","1") = "9"
    & skf18("6","7","5","10","8","7","1") = "9"
    & skf18("6","7","5","10","8","8","1") = "9"
    & skf18("6","7","5","10","8","9","1") = "9"
    & skf18("6","7","5","10","8","10","1") = "9"
    & skf18("6","7","5","10","9","1","1") = "9"
    & skf18("6","7","5","10","9","2","1") = "9"
    & skf18("6","7","5","10","9","3","1") = "9"
    & skf18("6","7","5","10","9","4","1") = "9"
    & skf18("6","7","5","10","9","5","1") = "9"
    & skf18("6","7","5","10","9","6","1") = "9"
    & skf18("6","7","5","10","9","7","1") = "9"
    & skf18("6","7","5","10","9","8","1") = "9"
    & skf18("6","7","5","10","9","9","1") = "9"
    & skf18("6","7","5","10","9","10","1") = "9"
    & skf18("6","7","5","10","10","1","1") = "9"
    & skf18("6","7","5","10","10","2","1") = "9"
    & skf18("6","7","5","10","10","3","1") = "9"
    & skf18("6","7","5","10","10","4","1") = "9"
    & skf18("6","7","5","10","10","5","1") = "9"
    & skf18("6","7","5","10","10","6","1") = "9"
    & skf18("6","7","5","10","10","7","1") = "9"
    & skf18("6","7","5","10","10","8","1") = "9"
    & skf18("6","7","5","10","10","9","1") = "9"
    & skf18("6","7","5","10","10","10","1") = "9"
    & skf18("6","7","6","1","1","1","1") = "6"
    & skf18("6","7","6","1","1","2","1") = "6"
    & skf18("6","7","6","1","1","3","1") = "6"
    & skf18("6","7","6","1","1","4","1") = "6"
    & skf18("6","7","6","1","1","5","1") = "6"
    & skf18("6","7","6","1","1","6","1") = "6"
    & skf18("6","7","6","1","1","7","1") = "6"
    & skf18("6","7","6","1","1","8","1") = "7"
    & skf18("6","7","6","1","1","9","1") = "8"
    & skf18("6","7","6","1","1","10","1") = "9"
    & skf18("6","7","6","1","2","1","1") = "6"
    & skf18("6","7","6","1","2","2","1") = "6"
    & skf18("6","7","6","1","2","3","1") = "6"
    & skf18("6","7","6","1","2","4","1") = "6"
    & skf18("6","7","6","1","2","5","1") = "6"
    & skf18("6","7","6","1","2","6","1") = "6"
    & skf18("6","7","6","1","2","7","1") = "6"
    & skf18("6","7","6","1","2","8","1") = "7"
    & skf18("6","7","6","1","2","9","1") = "8"
    & skf18("6","7","6","1","2","10","1") = "9"
    & skf18("6","7","6","1","3","1","1") = "6"
    & skf18("6","7","6","1","3","2","1") = "6"
    & skf18("6","7","6","1","3","3","1") = "6"
    & skf18("6","7","6","1","3","4","1") = "6"
    & skf18("6","7","6","1","3","5","1") = "6"
    & skf18("6","7","6","1","3","6","1") = "6"
    & skf18("6","7","6","1","3","7","1") = "6"
    & skf18("6","7","6","1","3","8","1") = "7"
    & skf18("6","7","6","1","3","9","1") = "8"
    & skf18("6","7","6","1","3","10","1") = "9"
    & skf18("6","7","6","1","4","1","1") = "6"
    & skf18("6","7","6","1","4","2","1") = "6"
    & skf18("6","7","6","1","4","3","1") = "6"
    & skf18("6","7","6","1","4","4","1") = "6"
    & skf18("6","7","6","1","4","5","1") = "6"
    & skf18("6","7","6","1","4","6","1") = "6"
    & skf18("6","7","6","1","4","7","1") = "6"
    & skf18("6","7","6","1","4","8","1") = "7"
    & skf18("6","7","6","1","4","9","1") = "8"
    & skf18("6","7","6","1","4","10","1") = "9"
    & skf18("6","7","6","1","5","1","1") = "6"
    & skf18("6","7","6","1","5","2","1") = "6"
    & skf18("6","7","6","1","5","3","1") = "6"
    & skf18("6","7","6","1","5","4","1") = "6"
    & skf18("6","7","6","1","5","5","1") = "6"
    & skf18("6","7","6","1","5","6","1") = "6"
    & skf18("6","7","6","1","5","7","1") = "6"
    & skf18("6","7","6","1","5","8","1") = "7"
    & skf18("6","7","6","1","5","9","1") = "8"
    & skf18("6","7","6","1","5","10","1") = "9"
    & skf18("6","7","6","1","6","1","1") = "6"
    & skf18("6","7","6","1","6","2","1") = "6"
    & skf18("6","7","6","1","6","3","1") = "6"
    & skf18("6","7","6","1","6","4","1") = "6"
    & skf18("6","7","6","1","6","5","1") = "6"
    & skf18("6","7","6","1","6","6","1") = "6"
    & skf18("6","7","6","1","6","7","1") = "6"
    & skf18("6","7","6","1","6","8","1") = "7"
    & skf18("6","7","6","1","6","9","1") = "8"
    & skf18("6","7","6","1","6","10","1") = "9"
    & skf18("6","7","6","1","7","1","1") = "6"
    & skf18("6","7","6","1","7","2","1") = "6"
    & skf18("6","7","6","1","7","3","1") = "6"
    & skf18("6","7","6","1","7","4","1") = "6"
    & skf18("6","7","6","1","7","5","1") = "6"
    & skf18("6","7","6","1","7","6","1") = "6"
    & skf18("6","7","6","1","7","7","1") = "6"
    & skf18("6","7","6","1","7","8","1") = "7"
    & skf18("6","7","6","1","7","9","1") = "8"
    & skf18("6","7","6","1","7","10","1") = "9"
    & skf18("6","7","6","1","8","1","1") = "7"
    & skf18("6","7","6","1","8","2","1") = "7"
    & skf18("6","7","6","1","8","3","1") = "7"
    & skf18("6","7","6","1","8","4","1") = "7"
    & skf18("6","7","6","1","8","5","1") = "7"
    & skf18("6","7","6","1","8","6","1") = "7"
    & skf18("6","7","6","1","8","7","1") = "7"
    & skf18("6","7","6","1","8","8","1") = "7"
    & skf18("6","7","6","1","8","9","1") = "8"
    & skf18("6","7","6","1","8","10","1") = "9"
    & skf18("6","7","6","1","9","1","1") = "8"
    & skf18("6","7","6","1","9","2","1") = "8"
    & skf18("6","7","6","1","9","3","1") = "8"
    & skf18("6","7","6","1","9","4","1") = "8"
    & skf18("6","7","6","1","9","5","1") = "8"
    & skf18("6","7","6","1","9","6","1") = "8"
    & skf18("6","7","6","1","9","7","1") = "8"
    & skf18("6","7","6","1","9","8","1") = "8"
    & skf18("6","7","6","1","9","9","1") = "8"
    & skf18("6","7","6","1","9","10","1") = "9"
    & skf18("6","7","6","1","10","1","1") = "9"
    & skf18("6","7","6","1","10","2","1") = "9"
    & skf18("6","7","6","1","10","3","1") = "9"
    & skf18("6","7","6","1","10","4","1") = "9"
    & skf18("6","7","6","1","10","5","1") = "9"
    & skf18("6","7","6","1","10","6","1") = "9"
    & skf18("6","7","6","1","10","7","1") = "9"
    & skf18("6","7","6","1","10","8","1") = "9"
    & skf18("6","7","6","1","10","9","1") = "9"
    & skf18("6","7","6","1","10","10","1") = "9"
    & skf18("6","7","6","2","1","1","1") = "6"
    & skf18("6","7","6","2","1","2","1") = "6"
    & skf18("6","7","6","2","1","3","1") = "6"
    & skf18("6","7","6","2","1","4","1") = "6"
    & skf18("6","7","6","2","1","5","1") = "6"
    & skf18("6","7","6","2","1","6","1") = "6"
    & skf18("6","7","6","2","1","7","1") = "6"
    & skf18("6","7","6","2","1","8","1") = "7"
    & skf18("6","7","6","2","1","9","1") = "8"
    & skf18("6","7","6","2","1","10","1") = "9"
    & skf18("6","7","6","2","2","1","1") = "6"
    & skf18("6","7","6","2","2","2","1") = "6"
    & skf18("6","7","6","2","2","3","1") = "6"
    & skf18("6","7","6","2","2","4","1") = "6"
    & skf18("6","7","6","2","2","5","1") = "6"
    & skf18("6","7","6","2","2","6","1") = "6"
    & skf18("6","7","6","2","2","7","1") = "6"
    & skf18("6","7","6","2","2","8","1") = "7"
    & skf18("6","7","6","2","2","9","1") = "8"
    & skf18("6","7","6","2","2","10","1") = "9"
    & skf18("6","7","6","2","3","1","1") = "6"
    & skf18("6","7","6","2","3","2","1") = "6"
    & skf18("6","7","6","2","3","3","1") = "6"
    & skf18("6","7","6","2","3","4","1") = "6"
    & skf18("6","7","6","2","3","5","1") = "6"
    & skf18("6","7","6","2","3","6","1") = "6"
    & skf18("6","7","6","2","3","7","1") = "6"
    & skf18("6","7","6","2","3","8","1") = "7"
    & skf18("6","7","6","2","3","9","1") = "8"
    & skf18("6","7","6","2","3","10","1") = "9"
    & skf18("6","7","6","2","4","1","1") = "6"
    & skf18("6","7","6","2","4","2","1") = "6"
    & skf18("6","7","6","2","4","3","1") = "6"
    & skf18("6","7","6","2","4","4","1") = "6"
    & skf18("6","7","6","2","4","5","1") = "6"
    & skf18("6","7","6","2","4","6","1") = "6"
    & skf18("6","7","6","2","4","7","1") = "6"
    & skf18("6","7","6","2","4","8","1") = "7"
    & skf18("6","7","6","2","4","9","1") = "8"
    & skf18("6","7","6","2","4","10","1") = "9"
    & skf18("6","7","6","2","5","1","1") = "6"
    & skf18("6","7","6","2","5","2","1") = "6"
    & skf18("6","7","6","2","5","3","1") = "6"
    & skf18("6","7","6","2","5","4","1") = "6"
    & skf18("6","7","6","2","5","5","1") = "6"
    & skf18("6","7","6","2","5","6","1") = "6"
    & skf18("6","7","6","2","5","7","1") = "6"
    & skf18("6","7","6","2","5","8","1") = "7"
    & skf18("6","7","6","2","5","9","1") = "8"
    & skf18("6","7","6","2","5","10","1") = "9"
    & skf18("6","7","6","2","6","1","1") = "6"
    & skf18("6","7","6","2","6","2","1") = "6"
    & skf18("6","7","6","2","6","3","1") = "6"
    & skf18("6","7","6","2","6","4","1") = "6"
    & skf18("6","7","6","2","6","5","1") = "6"
    & skf18("6","7","6","2","6","6","1") = "6"
    & skf18("6","7","6","2","6","7","1") = "6"
    & skf18("6","7","6","2","6","8","1") = "7"
    & skf18("6","7","6","2","6","9","1") = "8"
    & skf18("6","7","6","2","6","10","1") = "9"
    & skf18("6","7","6","2","7","1","1") = "6"
    & skf18("6","7","6","2","7","2","1") = "6"
    & skf18("6","7","6","2","7","3","1") = "6"
    & skf18("6","7","6","2","7","4","1") = "6"
    & skf18("6","7","6","2","7","5","1") = "6"
    & skf18("6","7","6","2","7","6","1") = "6"
    & skf18("6","7","6","2","7","7","1") = "6"
    & skf18("6","7","6","2","7","8","1") = "7"
    & skf18("6","7","6","2","7","9","1") = "8"
    & skf18("6","7","6","2","7","10","1") = "9"
    & skf18("6","7","6","2","8","1","1") = "7"
    & skf18("6","7","6","2","8","2","1") = "7"
    & skf18("6","7","6","2","8","3","1") = "7"
    & skf18("6","7","6","2","8","4","1") = "7"
    & skf18("6","7","6","2","8","5","1") = "7"
    & skf18("6","7","6","2","8","6","1") = "7"
    & skf18("6","7","6","2","8","7","1") = "7"
    & skf18("6","7","6","2","8","8","1") = "7"
    & skf18("6","7","6","2","8","9","1") = "8"
    & skf18("6","7","6","2","8","10","1") = "9"
    & skf18("6","7","6","2","9","1","1") = "8"
    & skf18("6","7","6","2","9","2","1") = "8"
    & skf18("6","7","6","2","9","3","1") = "8"
    & skf18("6","7","6","2","9","4","1") = "8"
    & skf18("6","7","6","2","9","5","1") = "8"
    & skf18("6","7","6","2","9","6","1") = "8"
    & skf18("6","7","6","2","9","7","1") = "8"
    & skf18("6","7","6","2","9","8","1") = "8"
    & skf18("6","7","6","2","9","9","1") = "8"
    & skf18("6","7","6","2","9","10","1") = "9"
    & skf18("6","7","6","2","10","1","1") = "9"
    & skf18("6","7","6","2","10","2","1") = "9"
    & skf18("6","7","6","2","10","3","1") = "9"
    & skf18("6","7","6","2","10","4","1") = "9"
    & skf18("6","7","6","2","10","5","1") = "9"
    & skf18("6","7","6","2","10","6","1") = "9"
    & skf18("6","7","6","2","10","7","1") = "9"
    & skf18("6","7","6","2","10","8","1") = "9"
    & skf18("6","7","6","2","10","9","1") = "9"
    & skf18("6","7","6","2","10","10","1") = "9"
    & skf18("6","7","6","3","1","1","1") = "6"
    & skf18("6","7","6","3","1","2","1") = "6"
    & skf18("6","7","6","3","1","3","1") = "6"
    & skf18("6","7","6","3","1","4","1") = "6"
    & skf18("6","7","6","3","1","5","1") = "6"
    & skf18("6","7","6","3","1","6","1") = "6"
    & skf18("6","7","6","3","1","7","1") = "6"
    & skf18("6","7","6","3","1","8","1") = "7"
    & skf18("6","7","6","3","1","9","1") = "8"
    & skf18("6","7","6","3","1","10","1") = "9"
    & skf18("6","7","6","3","2","1","1") = "6"
    & skf18("6","7","6","3","2","2","1") = "6"
    & skf18("6","7","6","3","2","3","1") = "6"
    & skf18("6","7","6","3","2","4","1") = "6"
    & skf18("6","7","6","3","2","5","1") = "6"
    & skf18("6","7","6","3","2","6","1") = "6"
    & skf18("6","7","6","3","2","7","1") = "6"
    & skf18("6","7","6","3","2","8","1") = "7"
    & skf18("6","7","6","3","2","9","1") = "8"
    & skf18("6","7","6","3","2","10","1") = "9"
    & skf18("6","7","6","3","3","1","1") = "6"
    & skf18("6","7","6","3","3","2","1") = "6"
    & skf18("6","7","6","3","3","3","1") = "6"
    & skf18("6","7","6","3","3","4","1") = "6"
    & skf18("6","7","6","3","3","5","1") = "6"
    & skf18("6","7","6","3","3","6","1") = "6"
    & skf18("6","7","6","3","3","7","1") = "6"
    & skf18("6","7","6","3","3","8","1") = "7"
    & skf18("6","7","6","3","3","9","1") = "8"
    & skf18("6","7","6","3","3","10","1") = "9"
    & skf18("6","7","6","3","4","1","1") = "6"
    & skf18("6","7","6","3","4","2","1") = "6"
    & skf18("6","7","6","3","4","3","1") = "6"
    & skf18("6","7","6","3","4","4","1") = "6"
    & skf18("6","7","6","3","4","5","1") = "6"
    & skf18("6","7","6","3","4","6","1") = "6"
    & skf18("6","7","6","3","4","7","1") = "6"
    & skf18("6","7","6","3","4","8","1") = "7"
    & skf18("6","7","6","3","4","9","1") = "8"
    & skf18("6","7","6","3","4","10","1") = "9"
    & skf18("6","7","6","3","5","1","1") = "6"
    & skf18("6","7","6","3","5","2","1") = "6"
    & skf18("6","7","6","3","5","3","1") = "6"
    & skf18("6","7","6","3","5","4","1") = "6"
    & skf18("6","7","6","3","5","5","1") = "6"
    & skf18("6","7","6","3","5","6","1") = "6"
    & skf18("6","7","6","3","5","7","1") = "6"
    & skf18("6","7","6","3","5","8","1") = "7"
    & skf18("6","7","6","3","5","9","1") = "8"
    & skf18("6","7","6","3","5","10","1") = "9"
    & skf18("6","7","6","3","6","1","1") = "6"
    & skf18("6","7","6","3","6","2","1") = "6"
    & skf18("6","7","6","3","6","3","1") = "6"
    & skf18("6","7","6","3","6","4","1") = "6"
    & skf18("6","7","6","3","6","5","1") = "6"
    & skf18("6","7","6","3","6","6","1") = "6"
    & skf18("6","7","6","3","6","7","1") = "6"
    & skf18("6","7","6","3","6","8","1") = "7"
    & skf18("6","7","6","3","6","9","1") = "8"
    & skf18("6","7","6","3","6","10","1") = "9"
    & skf18("6","7","6","3","7","1","1") = "6"
    & skf18("6","7","6","3","7","2","1") = "6"
    & skf18("6","7","6","3","7","3","1") = "6"
    & skf18("6","7","6","3","7","4","1") = "6"
    & skf18("6","7","6","3","7","5","1") = "6"
    & skf18("6","7","6","3","7","6","1") = "6"
    & skf18("6","7","6","3","7","7","1") = "6"
    & skf18("6","7","6","3","7","8","1") = "7"
    & skf18("6","7","6","3","7","9","1") = "8"
    & skf18("6","7","6","3","7","10","1") = "9"
    & skf18("6","7","6","3","8","1","1") = "7"
    & skf18("6","7","6","3","8","2","1") = "7"
    & skf18("6","7","6","3","8","3","1") = "7"
    & skf18("6","7","6","3","8","4","1") = "7"
    & skf18("6","7","6","3","8","5","1") = "7"
    & skf18("6","7","6","3","8","6","1") = "7"
    & skf18("6","7","6","3","8","7","1") = "7"
    & skf18("6","7","6","3","8","8","1") = "7"
    & skf18("6","7","6","3","8","9","1") = "8"
    & skf18("6","7","6","3","8","10","1") = "9"
    & skf18("6","7","6","3","9","1","1") = "8"
    & skf18("6","7","6","3","9","2","1") = "8"
    & skf18("6","7","6","3","9","3","1") = "8"
    & skf18("6","7","6","3","9","4","1") = "8"
    & skf18("6","7","6","3","9","5","1") = "8"
    & skf18("6","7","6","3","9","6","1") = "8"
    & skf18("6","7","6","3","9","7","1") = "8"
    & skf18("6","7","6","3","9","8","1") = "8"
    & skf18("6","7","6","3","9","9","1") = "8"
    & skf18("6","7","6","3","9","10","1") = "9"
    & skf18("6","7","6","3","10","1","1") = "9"
    & skf18("6","7","6","3","10","2","1") = "9"
    & skf18("6","7","6","3","10","3","1") = "9"
    & skf18("6","7","6","3","10","4","1") = "9"
    & skf18("6","7","6","3","10","5","1") = "9"
    & skf18("6","7","6","3","10","6","1") = "9"
    & skf18("6","7","6","3","10","7","1") = "9"
    & skf18("6","7","6","3","10","8","1") = "9"
    & skf18("6","7","6","3","10","9","1") = "9"
    & skf18("6","7","6","3","10","10","1") = "9"
    & skf18("6","7","6","4","1","1","1") = "6"
    & skf18("6","7","6","4","1","2","1") = "6"
    & skf18("6","7","6","4","1","3","1") = "6"
    & skf18("6","7","6","4","1","4","1") = "6"
    & skf18("6","7","6","4","1","5","1") = "6"
    & skf18("6","7","6","4","1","6","1") = "6"
    & skf18("6","7","6","4","1","7","1") = "6"
    & skf18("6","7","6","4","1","8","1") = "7"
    & skf18("6","7","6","4","1","9","1") = "8"
    & skf18("6","7","6","4","1","10","1") = "9"
    & skf18("6","7","6","4","2","1","1") = "6"
    & skf18("6","7","6","4","2","2","1") = "6"
    & skf18("6","7","6","4","2","3","1") = "6"
    & skf18("6","7","6","4","2","4","1") = "6"
    & skf18("6","7","6","4","2","5","1") = "6"
    & skf18("6","7","6","4","2","6","1") = "6"
    & skf18("6","7","6","4","2","7","1") = "6"
    & skf18("6","7","6","4","2","8","1") = "7"
    & skf18("6","7","6","4","2","9","1") = "8"
    & skf18("6","7","6","4","2","10","1") = "9"
    & skf18("6","7","6","4","3","1","1") = "6"
    & skf18("6","7","6","4","3","2","1") = "6"
    & skf18("6","7","6","4","3","3","1") = "6"
    & skf18("6","7","6","4","3","4","1") = "6"
    & skf18("6","7","6","4","3","5","1") = "6"
    & skf18("6","7","6","4","3","6","1") = "6"
    & skf18("6","7","6","4","3","7","1") = "6"
    & skf18("6","7","6","4","3","8","1") = "7"
    & skf18("6","7","6","4","3","9","1") = "8"
    & skf18("6","7","6","4","3","10","1") = "9"
    & skf18("6","7","6","4","4","1","1") = "6"
    & skf18("6","7","6","4","4","2","1") = "6"
    & skf18("6","7","6","4","4","3","1") = "6"
    & skf18("6","7","6","4","4","4","1") = "6"
    & skf18("6","7","6","4","4","5","1") = "6"
    & skf18("6","7","6","4","4","6","1") = "6"
    & skf18("6","7","6","4","4","7","1") = "6"
    & skf18("6","7","6","4","4","8","1") = "7"
    & skf18("6","7","6","4","4","9","1") = "8"
    & skf18("6","7","6","4","4","10","1") = "9"
    & skf18("6","7","6","4","5","1","1") = "6"
    & skf18("6","7","6","4","5","2","1") = "6"
    & skf18("6","7","6","4","5","3","1") = "6"
    & skf18("6","7","6","4","5","4","1") = "6"
    & skf18("6","7","6","4","5","5","1") = "6"
    & skf18("6","7","6","4","5","6","1") = "6"
    & skf18("6","7","6","4","5","7","1") = "6"
    & skf18("6","7","6","4","5","8","1") = "7"
    & skf18("6","7","6","4","5","9","1") = "8"
    & skf18("6","7","6","4","5","10","1") = "9"
    & skf18("6","7","6","4","6","1","1") = "6"
    & skf18("6","7","6","4","6","2","1") = "6"
    & skf18("6","7","6","4","6","3","1") = "6"
    & skf18("6","7","6","4","6","4","1") = "6"
    & skf18("6","7","6","4","6","5","1") = "6"
    & skf18("6","7","6","4","6","6","1") = "6"
    & skf18("6","7","6","4","6","7","1") = "6"
    & skf18("6","7","6","4","6","8","1") = "7"
    & skf18("6","7","6","4","6","9","1") = "8"
    & skf18("6","7","6","4","6","10","1") = "9"
    & skf18("6","7","6","4","7","1","1") = "6"
    & skf18("6","7","6","4","7","2","1") = "6"
    & skf18("6","7","6","4","7","3","1") = "6"
    & skf18("6","7","6","4","7","4","1") = "6"
    & skf18("6","7","6","4","7","5","1") = "6"
    & skf18("6","7","6","4","7","6","1") = "6"
    & skf18("6","7","6","4","7","7","1") = "6"
    & skf18("6","7","6","4","7","8","1") = "7"
    & skf18("6","7","6","4","7","9","1") = "8"
    & skf18("6","7","6","4","7","10","1") = "9"
    & skf18("6","7","6","4","8","1","1") = "7"
    & skf18("6","7","6","4","8","2","1") = "7"
    & skf18("6","7","6","4","8","3","1") = "7"
    & skf18("6","7","6","4","8","4","1") = "7"
    & skf18("6","7","6","4","8","5","1") = "7"
    & skf18("6","7","6","4","8","6","1") = "7"
    & skf18("6","7","6","4","8","7","1") = "7"
    & skf18("6","7","6","4","8","8","1") = "7"
    & skf18("6","7","6","4","8","9","1") = "8"
    & skf18("6","7","6","4","8","10","1") = "9"
    & skf18("6","7","6","4","9","1","1") = "8"
    & skf18("6","7","6","4","9","2","1") = "8"
    & skf18("6","7","6","4","9","3","1") = "8"
    & skf18("6","7","6","4","9","4","1") = "8"
    & skf18("6","7","6","4","9","5","1") = "8"
    & skf18("6","7","6","4","9","6","1") = "8"
    & skf18("6","7","6","4","9","7","1") = "8"
    & skf18("6","7","6","4","9","8","1") = "8"
    & skf18("6","7","6","4","9","9","1") = "8"
    & skf18("6","7","6","4","9","10","1") = "9"
    & skf18("6","7","6","4","10","1","1") = "9"
    & skf18("6","7","6","4","10","2","1") = "9"
    & skf18("6","7","6","4","10","3","1") = "9"
    & skf18("6","7","6","4","10","4","1") = "9"
    & skf18("6","7","6","4","10","5","1") = "9"
    & skf18("6","7","6","4","10","6","1") = "9"
    & skf18("6","7","6","4","10","7","1") = "9"
    & skf18("6","7","6","4","10","8","1") = "9"
    & skf18("6","7","6","4","10","9","1") = "9"
    & skf18("6","7","6","4","10","10","1") = "9"
    & skf18("6","7","6","5","1","1","1") = "6"
    & skf18("6","7","6","5","1","2","1") = "6"
    & skf18("6","7","6","5","1","3","1") = "6"
    & skf18("6","7","6","5","1","4","1") = "6"
    & skf18("6","7","6","5","1","5","1") = "6"
    & skf18("6","7","6","5","1","6","1") = "6"
    & skf18("6","7","6","5","1","7","1") = "6"
    & skf18("6","7","6","5","1","8","1") = "7"
    & skf18("6","7","6","5","1","9","1") = "8"
    & skf18("6","7","6","5","1","10","1") = "9"
    & skf18("6","7","6","5","2","1","1") = "6"
    & skf18("6","7","6","5","2","2","1") = "6"
    & skf18("6","7","6","5","2","3","1") = "6"
    & skf18("6","7","6","5","2","4","1") = "6"
    & skf18("6","7","6","5","2","5","1") = "6"
    & skf18("6","7","6","5","2","6","1") = "6"
    & skf18("6","7","6","5","2","7","1") = "6"
    & skf18("6","7","6","5","2","8","1") = "7"
    & skf18("6","7","6","5","2","9","1") = "8"
    & skf18("6","7","6","5","2","10","1") = "9"
    & skf18("6","7","6","5","3","1","1") = "6"
    & skf18("6","7","6","5","3","2","1") = "6"
    & skf18("6","7","6","5","3","3","1") = "6"
    & skf18("6","7","6","5","3","4","1") = "6"
    & skf18("6","7","6","5","3","5","1") = "6"
    & skf18("6","7","6","5","3","6","1") = "6"
    & skf18("6","7","6","5","3","7","1") = "6"
    & skf18("6","7","6","5","3","8","1") = "7"
    & skf18("6","7","6","5","3","9","1") = "8"
    & skf18("6","7","6","5","3","10","1") = "9"
    & skf18("6","7","6","5","4","1","1") = "6"
    & skf18("6","7","6","5","4","2","1") = "6"
    & skf18("6","7","6","5","4","3","1") = "6"
    & skf18("6","7","6","5","4","4","1") = "6"
    & skf18("6","7","6","5","4","5","1") = "6"
    & skf18("6","7","6","5","4","6","1") = "6"
    & skf18("6","7","6","5","4","7","1") = "6"
    & skf18("6","7","6","5","4","8","1") = "7"
    & skf18("6","7","6","5","4","9","1") = "8"
    & skf18("6","7","6","5","4","10","1") = "9"
    & skf18("6","7","6","5","5","1","1") = "6"
    & skf18("6","7","6","5","5","2","1") = "6"
    & skf18("6","7","6","5","5","3","1") = "6"
    & skf18("6","7","6","5","5","4","1") = "6"
    & skf18("6","7","6","5","5","5","1") = "6"
    & skf18("6","7","6","5","5","6","1") = "6"
    & skf18("6","7","6","5","5","7","1") = "6"
    & skf18("6","7","6","5","5","8","1") = "7"
    & skf18("6","7","6","5","5","9","1") = "8"
    & skf18("6","7","6","5","5","10","1") = "9"
    & skf18("6","7","6","5","6","1","1") = "6"
    & skf18("6","7","6","5","6","2","1") = "6"
    & skf18("6","7","6","5","6","3","1") = "6"
    & skf18("6","7","6","5","6","4","1") = "6"
    & skf18("6","7","6","5","6","5","1") = "6"
    & skf18("6","7","6","5","6","6","1") = "6"
    & skf18("6","7","6","5","6","7","1") = "6"
    & skf18("6","7","6","5","6","8","1") = "7"
    & skf18("6","7","6","5","6","9","1") = "8"
    & skf18("6","7","6","5","6","10","1") = "9"
    & skf18("6","7","6","5","7","1","1") = "6"
    & skf18("6","7","6","5","7","2","1") = "6"
    & skf18("6","7","6","5","7","3","1") = "6"
    & skf18("6","7","6","5","7","4","1") = "6"
    & skf18("6","7","6","5","7","5","1") = "6"
    & skf18("6","7","6","5","7","6","1") = "6"
    & skf18("6","7","6","5","7","7","1") = "6"
    & skf18("6","7","6","5","7","8","1") = "7"
    & skf18("6","7","6","5","7","9","1") = "8"
    & skf18("6","7","6","5","7","10","1") = "9"
    & skf18("6","7","6","5","8","1","1") = "7"
    & skf18("6","7","6","5","8","2","1") = "7"
    & skf18("6","7","6","5","8","3","1") = "7"
    & skf18("6","7","6","5","8","4","1") = "7"
    & skf18("6","7","6","5","8","5","1") = "7"
    & skf18("6","7","6","5","8","6","1") = "7"
    & skf18("6","7","6","5","8","7","1") = "7"
    & skf18("6","7","6","5","8","8","1") = "7"
    & skf18("6","7","6","5","8","9","1") = "8"
    & skf18("6","7","6","5","8","10","1") = "9"
    & skf18("6","7","6","5","9","1","1") = "8"
    & skf18("6","7","6","5","9","2","1") = "8"
    & skf18("6","7","6","5","9","3","1") = "8"
    & skf18("6","7","6","5","9","4","1") = "8"
    & skf18("6","7","6","5","9","5","1") = "8"
    & skf18("6","7","6","5","9","6","1") = "8"
    & skf18("6","7","6","5","9","7","1") = "8"
    & skf18("6","7","6","5","9","8","1") = "8"
    & skf18("6","7","6","5","9","9","1") = "8"
    & skf18("6","7","6","5","9","10","1") = "9"
    & skf18("6","7","6","5","10","1","1") = "9"
    & skf18("6","7","6","5","10","2","1") = "9"
    & skf18("6","7","6","5","10","3","1") = "9"
    & skf18("6","7","6","5","10","4","1") = "9"
    & skf18("6","7","6","5","10","5","1") = "9"
    & skf18("6","7","6","5","10","6","1") = "9"
    & skf18("6","7","6","5","10","7","1") = "9"
    & skf18("6","7","6","5","10","8","1") = "9"
    & skf18("6","7","6","5","10","9","1") = "9"
    & skf18("6","7","6","5","10","10","1") = "9"
    & skf18("6","7","6","6","1","1","1") = "6"
    & skf18("6","7","6","6","1","2","1") = "6"
    & skf18("6","7","6","6","1","3","1") = "6"
    & skf18("6","7","6","6","1","4","1") = "6"
    & skf18("6","7","6","6","1","5","1") = "6"
    & skf18("6","7","6","6","1","6","1") = "6"
    & skf18("6","7","6","6","1","7","1") = "6"
    & skf18("6","7","6","6","1","8","1") = "7"
    & skf18("6","7","6","6","1","9","1") = "8"
    & skf18("6","7","6","6","1","10","1") = "9"
    & skf18("6","7","6","6","2","1","1") = "6"
    & skf18("6","7","6","6","2","2","1") = "6"
    & skf18("6","7","6","6","2","3","1") = "6"
    & skf18("6","7","6","6","2","4","1") = "6"
    & skf18("6","7","6","6","2","5","1") = "6"
    & skf18("6","7","6","6","2","6","1") = "6"
    & skf18("6","7","6","6","2","7","1") = "6"
    & skf18("6","7","6","6","2","8","1") = "7"
    & skf18("6","7","6","6","2","9","1") = "8"
    & skf18("6","7","6","6","2","10","1") = "9"
    & skf18("6","7","6","6","3","1","1") = "6"
    & skf18("6","7","6","6","3","2","1") = "6"
    & skf18("6","7","6","6","3","3","1") = "6"
    & skf18("6","7","6","6","3","4","1") = "6"
    & skf18("6","7","6","6","3","5","1") = "6"
    & skf18("6","7","6","6","3","6","1") = "6"
    & skf18("6","7","6","6","3","7","1") = "6"
    & skf18("6","7","6","6","3","8","1") = "7"
    & skf18("6","7","6","6","3","9","1") = "8"
    & skf18("6","7","6","6","3","10","1") = "9"
    & skf18("6","7","6","6","4","1","1") = "6"
    & skf18("6","7","6","6","4","2","1") = "6"
    & skf18("6","7","6","6","4","3","1") = "6"
    & skf18("6","7","6","6","4","4","1") = "6"
    & skf18("6","7","6","6","4","5","1") = "6"
    & skf18("6","7","6","6","4","6","1") = "6"
    & skf18("6","7","6","6","4","7","1") = "6"
    & skf18("6","7","6","6","4","8","1") = "7"
    & skf18("6","7","6","6","4","9","1") = "8"
    & skf18("6","7","6","6","4","10","1") = "9"
    & skf18("6","7","6","6","5","1","1") = "6"
    & skf18("6","7","6","6","5","2","1") = "6"
    & skf18("6","7","6","6","5","3","1") = "6"
    & skf18("6","7","6","6","5","4","1") = "6"
    & skf18("6","7","6","6","5","5","1") = "6"
    & skf18("6","7","6","6","5","6","1") = "6"
    & skf18("6","7","6","6","5","7","1") = "6"
    & skf18("6","7","6","6","5","8","1") = "7"
    & skf18("6","7","6","6","5","9","1") = "8"
    & skf18("6","7","6","6","5","10","1") = "9"
    & skf18("6","7","6","6","6","1","1") = "6"
    & skf18("6","7","6","6","6","2","1") = "6"
    & skf18("6","7","6","6","6","3","1") = "6"
    & skf18("6","7","6","6","6","4","1") = "6"
    & skf18("6","7","6","6","6","5","1") = "6"
    & skf18("6","7","6","6","6","6","1") = "6"
    & skf18("6","7","6","6","6","7","1") = "6"
    & skf18("6","7","6","6","6","8","1") = "7"
    & skf18("6","7","6","6","6","9","1") = "8"
    & skf18("6","7","6","6","6","10","1") = "9"
    & skf18("6","7","6","6","7","1","1") = "6"
    & skf18("6","7","6","6","7","2","1") = "6"
    & skf18("6","7","6","6","7","3","1") = "6"
    & skf18("6","7","6","6","7","4","1") = "6"
    & skf18("6","7","6","6","7","5","1") = "6"
    & skf18("6","7","6","6","7","6","1") = "6"
    & skf18("6","7","6","6","7","7","1") = "6"
    & skf18("6","7","6","6","7","8","1") = "7"
    & skf18("6","7","6","6","7","9","1") = "8"
    & skf18("6","7","6","6","7","10","1") = "9"
    & skf18("6","7","6","6","8","1","1") = "7"
    & skf18("6","7","6","6","8","2","1") = "7"
    & skf18("6","7","6","6","8","3","1") = "7"
    & skf18("6","7","6","6","8","4","1") = "7"
    & skf18("6","7","6","6","8","5","1") = "7"
    & skf18("6","7","6","6","8","6","1") = "7"
    & skf18("6","7","6","6","8","7","1") = "7"
    & skf18("6","7","6","6","8","8","1") = "7"
    & skf18("6","7","6","6","8","9","1") = "8"
    & skf18("6","7","6","6","8","10","1") = "9"
    & skf18("6","7","6","6","9","1","1") = "8"
    & skf18("6","7","6","6","9","2","1") = "8"
    & skf18("6","7","6","6","9","3","1") = "8"
    & skf18("6","7","6","6","9","4","1") = "8"
    & skf18("6","7","6","6","9","5","1") = "8"
    & skf18("6","7","6","6","9","6","1") = "8"
    & skf18("6","7","6","6","9","7","1") = "8"
    & skf18("6","7","6","6","9","8","1") = "8"
    & skf18("6","7","6","6","9","9","1") = "8"
    & skf18("6","7","6","6","9","10","1") = "9"
    & skf18("6","7","6","6","10","1","1") = "9"
    & skf18("6","7","6","6","10","2","1") = "9"
    & skf18("6","7","6","6","10","3","1") = "9"
    & skf18("6","7","6","6","10","4","1") = "9"
    & skf18("6","7","6","6","10","5","1") = "9"
    & skf18("6","7","6","6","10","6","1") = "9"
    & skf18("6","7","6","6","10","7","1") = "9"
    & skf18("6","7","6","6","10","8","1") = "9"
    & skf18("6","7","6","6","10","9","1") = "9"
    & skf18("6","7","6","6","10","10","1") = "9"
    & skf18("6","7","6","7","1","1","1") = "6"
    & skf18("6","7","6","7","1","2","1") = "6"
    & skf18("6","7","6","7","1","3","1") = "6"
    & skf18("6","7","6","7","1","4","1") = "6"
    & skf18("6","7","6","7","1","5","1") = "6"
    & skf18("6","7","6","7","1","6","1") = "6"
    & skf18("6","7","6","7","1","7","1") = "6"
    & skf18("6","7","6","7","1","8","1") = "7"
    & skf18("6","7","6","7","1","9","1") = "8"
    & skf18("6","7","6","7","1","10","1") = "9"
    & skf18("6","7","6","7","2","1","1") = "6"
    & skf18("6","7","6","7","2","2","1") = "6"
    & skf18("6","7","6","7","2","3","1") = "6"
    & skf18("6","7","6","7","2","4","1") = "6"
    & skf18("6","7","6","7","2","5","1") = "6"
    & skf18("6","7","6","7","2","6","1") = "6"
    & skf18("6","7","6","7","2","7","1") = "6"
    & skf18("6","7","6","7","2","8","1") = "7"
    & skf18("6","7","6","7","2","9","1") = "8"
    & skf18("6","7","6","7","2","10","1") = "9"
    & skf18("6","7","6","7","3","1","1") = "6"
    & skf18("6","7","6","7","3","2","1") = "6"
    & skf18("6","7","6","7","3","3","1") = "6"
    & skf18("6","7","6","7","3","4","1") = "6"
    & skf18("6","7","6","7","3","5","1") = "6"
    & skf18("6","7","6","7","3","6","1") = "6"
    & skf18("6","7","6","7","3","7","1") = "6"
    & skf18("6","7","6","7","3","8","1") = "7"
    & skf18("6","7","6","7","3","9","1") = "8"
    & skf18("6","7","6","7","3","10","1") = "9"
    & skf18("6","7","6","7","4","1","1") = "6"
    & skf18("6","7","6","7","4","2","1") = "6"
    & skf18("6","7","6","7","4","3","1") = "6"
    & skf18("6","7","6","7","4","4","1") = "6"
    & skf18("6","7","6","7","4","5","1") = "6"
    & skf18("6","7","6","7","4","6","1") = "6"
    & skf18("6","7","6","7","4","7","1") = "6"
    & skf18("6","7","6","7","4","8","1") = "7"
    & skf18("6","7","6","7","4","9","1") = "8"
    & skf18("6","7","6","7","4","10","1") = "9"
    & skf18("6","7","6","7","5","1","1") = "6"
    & skf18("6","7","6","7","5","2","1") = "6"
    & skf18("6","7","6","7","5","3","1") = "6"
    & skf18("6","7","6","7","5","4","1") = "6"
    & skf18("6","7","6","7","5","5","1") = "6"
    & skf18("6","7","6","7","5","6","1") = "6"
    & skf18("6","7","6","7","5","7","1") = "6"
    & skf18("6","7","6","7","5","8","1") = "7"
    & skf18("6","7","6","7","5","9","1") = "8"
    & skf18("6","7","6","7","5","10","1") = "9"
    & skf18("6","7","6","7","6","1","1") = "6"
    & skf18("6","7","6","7","6","2","1") = "6"
    & skf18("6","7","6","7","6","3","1") = "6"
    & skf18("6","7","6","7","6","4","1") = "6"
    & skf18("6","7","6","7","6","5","1") = "6"
    & skf18("6","7","6","7","6","6","1") = "6"
    & skf18("6","7","6","7","6","7","1") = "6"
    & skf18("6","7","6","7","6","8","1") = "7"
    & skf18("6","7","6","7","6","9","1") = "8"
    & skf18("6","7","6","7","6","10","1") = "9"
    & skf18("6","7","6","7","7","1","1") = "6"
    & skf18("6","7","6","7","7","2","1") = "6"
    & skf18("6","7","6","7","7","3","1") = "6"
    & skf18("6","7","6","7","7","4","1") = "6"
    & skf18("6","7","6","7","7","5","1") = "6"
    & skf18("6","7","6","7","7","6","1") = "6"
    & skf18("6","7","6","7","7","7","1") = "6"
    & skf18("6","7","6","7","7","8","1") = "7"
    & skf18("6","7","6","7","7","9","1") = "8"
    & skf18("6","7","6","7","7","10","1") = "9"
    & skf18("6","7","6","7","8","1","1") = "7"
    & skf18("6","7","6","7","8","2","1") = "7"
    & skf18("6","7","6","7","8","3","1") = "7"
    & skf18("6","7","6","7","8","4","1") = "7"
    & skf18("6","7","6","7","8","5","1") = "7"
    & skf18("6","7","6","7","8","6","1") = "7"
    & skf18("6","7","6","7","8","7","1") = "7"
    & skf18("6","7","6","7","8","8","1") = "7"
    & skf18("6","7","6","7","8","9","1") = "8"
    & skf18("6","7","6","7","8","10","1") = "9"
    & skf18("6","7","6","7","9","1","1") = "8"
    & skf18("6","7","6","7","9","2","1") = "8"
    & skf18("6","7","6","7","9","3","1") = "8"
    & skf18("6","7","6","7","9","4","1") = "8"
    & skf18("6","7","6","7","9","5","1") = "8"
    & skf18("6","7","6","7","9","6","1") = "8"
    & skf18("6","7","6","7","9","7","1") = "8"
    & skf18("6","7","6","7","9","8","1") = "8"
    & skf18("6","7","6","7","9","9","1") = "8"
    & skf18("6","7","6","7","9","10","1") = "9"
    & skf18("6","7","6","7","10","1","1") = "9"
    & skf18("6","7","6","7","10","2","1") = "9"
    & skf18("6","7","6","7","10","3","1") = "9"
    & skf18("6","7","6","7","10","4","1") = "9"
    & skf18("6","7","6","7","10","5","1") = "9"
    & skf18("6","7","6","7","10","6","1") = "9"
    & skf18("6","7","6","7","10","7","1") = "9"
    & skf18("6","7","6","7","10","8","1") = "9"
    & skf18("6","7","6","7","10","9","1") = "9"
    & skf18("6","7","6","7","10","10","1") = "9"
    & skf18("6","7","6","8","1","1","1") = "7"
    & skf18("6","7","6","8","1","2","1") = "7"
    & skf18("6","7","6","8","1","3","1") = "7"
    & skf18("6","7","6","8","1","4","1") = "7"
    & skf18("6","7","6","8","1","5","1") = "7"
    & skf18("6","7","6","8","1","6","1") = "7"
    & skf18("6","7","6","8","1","7","1") = "7"
    & skf18("6","7","6","8","1","8","1") = "7"
    & skf18("6","7","6","8","1","9","1") = "8"
    & skf18("6","7","6","8","1","10","1") = "9"
    & skf18("6","7","6","8","2","1","1") = "7"
    & skf18("6","7","6","8","2","2","1") = "7"
    & skf18("6","7","6","8","2","3","1") = "7"
    & skf18("6","7","6","8","2","4","1") = "7"
    & skf18("6","7","6","8","2","5","1") = "7"
    & skf18("6","7","6","8","2","6","1") = "7"
    & skf18("6","7","6","8","2","7","1") = "7"
    & skf18("6","7","6","8","2","8","1") = "7"
    & skf18("6","7","6","8","2","9","1") = "8"
    & skf18("6","7","6","8","2","10","1") = "9"
    & skf18("6","7","6","8","3","1","1") = "7"
    & skf18("6","7","6","8","3","2","1") = "7"
    & skf18("6","7","6","8","3","3","1") = "7"
    & skf18("6","7","6","8","3","4","1") = "7"
    & skf18("6","7","6","8","3","5","1") = "7"
    & skf18("6","7","6","8","3","6","1") = "7"
    & skf18("6","7","6","8","3","7","1") = "7"
    & skf18("6","7","6","8","3","8","1") = "7"
    & skf18("6","7","6","8","3","9","1") = "8"
    & skf18("6","7","6","8","3","10","1") = "9"
    & skf18("6","7","6","8","4","1","1") = "7"
    & skf18("6","7","6","8","4","2","1") = "7"
    & skf18("6","7","6","8","4","3","1") = "7"
    & skf18("6","7","6","8","4","4","1") = "7"
    & skf18("6","7","6","8","4","5","1") = "7"
    & skf18("6","7","6","8","4","6","1") = "7"
    & skf18("6","7","6","8","4","7","1") = "7"
    & skf18("6","7","6","8","4","8","1") = "7"
    & skf18("6","7","6","8","4","9","1") = "8"
    & skf18("6","7","6","8","4","10","1") = "9"
    & skf18("6","7","6","8","5","1","1") = "7"
    & skf18("6","7","6","8","5","2","1") = "7"
    & skf18("6","7","6","8","5","3","1") = "7"
    & skf18("6","7","6","8","5","4","1") = "7"
    & skf18("6","7","6","8","5","5","1") = "7"
    & skf18("6","7","6","8","5","6","1") = "7"
    & skf18("6","7","6","8","5","7","1") = "7"
    & skf18("6","7","6","8","5","8","1") = "7"
    & skf18("6","7","6","8","5","9","1") = "8"
    & skf18("6","7","6","8","5","10","1") = "9"
    & skf18("6","7","6","8","6","1","1") = "7"
    & skf18("6","7","6","8","6","2","1") = "7"
    & skf18("6","7","6","8","6","3","1") = "7"
    & skf18("6","7","6","8","6","4","1") = "7"
    & skf18("6","7","6","8","6","5","1") = "7"
    & skf18("6","7","6","8","6","6","1") = "7"
    & skf18("6","7","6","8","6","7","1") = "7"
    & skf18("6","7","6","8","6","8","1") = "7"
    & skf18("6","7","6","8","6","9","1") = "8"
    & skf18("6","7","6","8","6","10","1") = "9"
    & skf18("6","7","6","8","7","1","1") = "7"
    & skf18("6","7","6","8","7","2","1") = "7"
    & skf18("6","7","6","8","7","3","1") = "7"
    & skf18("6","7","6","8","7","4","1") = "7"
    & skf18("6","7","6","8","7","5","1") = "7"
    & skf18("6","7","6","8","7","6","1") = "7"
    & skf18("6","7","6","8","7","7","1") = "7"
    & skf18("6","7","6","8","7","8","1") = "7"
    & skf18("6","7","6","8","7","9","1") = "8"
    & skf18("6","7","6","8","7","10","1") = "9"
    & skf18("6","7","6","8","8","1","1") = "7"
    & skf18("6","7","6","8","8","2","1") = "7"
    & skf18("6","7","6","8","8","3","1") = "7"
    & skf18("6","7","6","8","8","4","1") = "7"
    & skf18("6","7","6","8","8","5","1") = "7"
    & skf18("6","7","6","8","8","6","1") = "7"
    & skf18("6","7","6","8","8","7","1") = "7"
    & skf18("6","7","6","8","8","8","1") = "7"
    & skf18("6","7","6","8","8","9","1") = "8"
    & skf18("6","7","6","8","8","10","1") = "9"
    & skf18("6","7","6","8","9","1","1") = "8"
    & skf18("6","7","6","8","9","2","1") = "8"
    & skf18("6","7","6","8","9","3","1") = "8"
    & skf18("6","7","6","8","9","4","1") = "8"
    & skf18("6","7","6","8","9","5","1") = "8"
    & skf18("6","7","6","8","9","6","1") = "8"
    & skf18("6","7","6","8","9","7","1") = "8"
    & skf18("6","7","6","8","9","8","1") = "8"
    & skf18("6","7","6","8","9","9","1") = "8"
    & skf18("6","7","6","8","9","10","1") = "9"
    & skf18("6","7","6","8","10","1","1") = "9"
    & skf18("6","7","6","8","10","2","1") = "9"
    & skf18("6","7","6","8","10","3","1") = "9"
    & skf18("6","7","6","8","10","4","1") = "9"
    & skf18("6","7","6","8","10","5","1") = "9"
    & skf18("6","7","6","8","10","6","1") = "9"
    & skf18("6","7","6","8","10","7","1") = "9"
    & skf18("6","7","6","8","10","8","1") = "9"
    & skf18("6","7","6","8","10","9","1") = "9"
    & skf18("6","7","6","8","10","10","1") = "9"
    & skf18("6","7","6","9","1","1","1") = "8"
    & skf18("6","7","6","9","1","2","1") = "8"
    & skf18("6","7","6","9","1","3","1") = "8"
    & skf18("6","7","6","9","1","4","1") = "8"
    & skf18("6","7","6","9","1","5","1") = "8"
    & skf18("6","7","6","9","1","6","1") = "8"
    & skf18("6","7","6","9","1","7","1") = "8"
    & skf18("6","7","6","9","1","8","1") = "8"
    & skf18("6","7","6","9","1","9","1") = "8"
    & skf18("6","7","6","9","1","10","1") = "9"
    & skf18("6","7","6","9","2","1","1") = "8"
    & skf18("6","7","6","9","2","2","1") = "8"
    & skf18("6","7","6","9","2","3","1") = "8"
    & skf18("6","7","6","9","2","4","1") = "8"
    & skf18("6","7","6","9","2","5","1") = "8"
    & skf18("6","7","6","9","2","6","1") = "8"
    & skf18("6","7","6","9","2","7","1") = "8"
    & skf18("6","7","6","9","2","8","1") = "8"
    & skf18("6","7","6","9","2","9","1") = "8"
    & skf18("6","7","6","9","2","10","1") = "9"
    & skf18("6","7","6","9","3","1","1") = "8"
    & skf18("6","7","6","9","3","2","1") = "8"
    & skf18("6","7","6","9","3","3","1") = "8"
    & skf18("6","7","6","9","3","4","1") = "8"
    & skf18("6","7","6","9","3","5","1") = "8"
    & skf18("6","7","6","9","3","6","1") = "8"
    & skf18("6","7","6","9","3","7","1") = "8"
    & skf18("6","7","6","9","3","8","1") = "8"
    & skf18("6","7","6","9","3","9","1") = "8"
    & skf18("6","7","6","9","3","10","1") = "9"
    & skf18("6","7","6","9","4","1","1") = "8"
    & skf18("6","7","6","9","4","2","1") = "8"
    & skf18("6","7","6","9","4","3","1") = "8"
    & skf18("6","7","6","9","4","4","1") = "8"
    & skf18("6","7","6","9","4","5","1") = "8"
    & skf18("6","7","6","9","4","6","1") = "8"
    & skf18("6","7","6","9","4","7","1") = "8"
    & skf18("6","7","6","9","4","8","1") = "8"
    & skf18("6","7","6","9","4","9","1") = "8"
    & skf18("6","7","6","9","4","10","1") = "9"
    & skf18("6","7","6","9","5","1","1") = "8"
    & skf18("6","7","6","9","5","2","1") = "8"
    & skf18("6","7","6","9","5","3","1") = "8"
    & skf18("6","7","6","9","5","4","1") = "8"
    & skf18("6","7","6","9","5","5","1") = "8"
    & skf18("6","7","6","9","5","6","1") = "8"
    & skf18("6","7","6","9","5","7","1") = "8"
    & skf18("6","7","6","9","5","8","1") = "8"
    & skf18("6","7","6","9","5","9","1") = "8"
    & skf18("6","7","6","9","5","10","1") = "9"
    & skf18("6","7","6","9","6","1","1") = "8"
    & skf18("6","7","6","9","6","2","1") = "8"
    & skf18("6","7","6","9","6","3","1") = "8"
    & skf18("6","7","6","9","6","4","1") = "8"
    & skf18("6","7","6","9","6","5","1") = "8"
    & skf18("6","7","6","9","6","6","1") = "8"
    & skf18("6","7","6","9","6","7","1") = "8"
    & skf18("6","7","6","9","6","8","1") = "8"
    & skf18("6","7","6","9","6","9","1") = "8"
    & skf18("6","7","6","9","6","10","1") = "9"
    & skf18("6","7","6","9","7","1","1") = "8"
    & skf18("6","7","6","9","7","2","1") = "8"
    & skf18("6","7","6","9","7","3","1") = "8"
    & skf18("6","7","6","9","7","4","1") = "8"
    & skf18("6","7","6","9","7","5","1") = "8"
    & skf18("6","7","6","9","7","6","1") = "8"
    & skf18("6","7","6","9","7","7","1") = "8"
    & skf18("6","7","6","9","7","8","1") = "8"
    & skf18("6","7","6","9","7","9","1") = "8"
    & skf18("6","7","6","9","7","10","1") = "9"
    & skf18("6","7","6","9","8","1","1") = "8"
    & skf18("6","7","6","9","8","2","1") = "8"
    & skf18("6","7","6","9","8","3","1") = "8"
    & skf18("6","7","6","9","8","4","1") = "8"
    & skf18("6","7","6","9","8","5","1") = "8"
    & skf18("6","7","6","9","8","6","1") = "8"
    & skf18("6","7","6","9","8","7","1") = "8"
    & skf18("6","7","6","9","8","8","1") = "8"
    & skf18("6","7","6","9","8","9","1") = "8"
    & skf18("6","7","6","9","8","10","1") = "9"
    & skf18("6","7","6","9","9","1","1") = "8"
    & skf18("6","7","6","9","9","2","1") = "8"
    & skf18("6","7","6","9","9","3","1") = "8"
    & skf18("6","7","6","9","9","4","1") = "8"
    & skf18("6","7","6","9","9","5","1") = "8"
    & skf18("6","7","6","9","9","6","1") = "8"
    & skf18("6","7","6","9","9","7","1") = "8"
    & skf18("6","7","6","9","9","8","1") = "8"
    & skf18("6","7","6","9","9","9","1") = "8"
    & skf18("6","7","6","9","9","10","1") = "9"
    & skf18("6","7","6","9","10","1","1") = "9"
    & skf18("6","7","6","9","10","2","1") = "9"
    & skf18("6","7","6","9","10","3","1") = "9"
    & skf18("6","7","6","9","10","4","1") = "9"
    & skf18("6","7","6","9","10","5","1") = "9"
    & skf18("6","7","6","9","10","6","1") = "9"
    & skf18("6","7","6","9","10","7","1") = "9"
    & skf18("6","7","6","9","10","8","1") = "9"
    & skf18("6","7","6","9","10","9","1") = "9"
    & skf18("6","7","6","9","10","10","1") = "9"
    & skf18("6","7","6","10","1","1","1") = "9"
    & skf18("6","7","6","10","1","2","1") = "9"
    & skf18("6","7","6","10","1","3","1") = "9"
    & skf18("6","7","6","10","1","4","1") = "9"
    & skf18("6","7","6","10","1","5","1") = "9"
    & skf18("6","7","6","10","1","6","1") = "9"
    & skf18("6","7","6","10","1","7","1") = "9"
    & skf18("6","7","6","10","1","8","1") = "9"
    & skf18("6","7","6","10","1","9","1") = "9"
    & skf18("6","7","6","10","1","10","1") = "9"
    & skf18("6","7","6","10","2","1","1") = "9"
    & skf18("6","7","6","10","2","2","1") = "9"
    & skf18("6","7","6","10","2","3","1") = "9"
    & skf18("6","7","6","10","2","4","1") = "9"
    & skf18("6","7","6","10","2","5","1") = "9"
    & skf18("6","7","6","10","2","6","1") = "9"
    & skf18("6","7","6","10","2","7","1") = "9"
    & skf18("6","7","6","10","2","8","1") = "9"
    & skf18("6","7","6","10","2","9","1") = "9"
    & skf18("6","7","6","10","2","10","1") = "9"
    & skf18("6","7","6","10","3","1","1") = "9"
    & skf18("6","7","6","10","3","2","1") = "9"
    & skf18("6","7","6","10","3","3","1") = "9"
    & skf18("6","7","6","10","3","4","1") = "9"
    & skf18("6","7","6","10","3","5","1") = "9"
    & skf18("6","7","6","10","3","6","1") = "9"
    & skf18("6","7","6","10","3","7","1") = "9"
    & skf18("6","7","6","10","3","8","1") = "9"
    & skf18("6","7","6","10","3","9","1") = "9"
    & skf18("6","7","6","10","3","10","1") = "9"
    & skf18("6","7","6","10","4","1","1") = "9"
    & skf18("6","7","6","10","4","2","1") = "9"
    & skf18("6","7","6","10","4","3","1") = "9"
    & skf18("6","7","6","10","4","4","1") = "9"
    & skf18("6","7","6","10","4","5","1") = "9"
    & skf18("6","7","6","10","4","6","1") = "9"
    & skf18("6","7","6","10","4","7","1") = "9"
    & skf18("6","7","6","10","4","8","1") = "9"
    & skf18("6","7","6","10","4","9","1") = "9"
    & skf18("6","7","6","10","4","10","1") = "9"
    & skf18("6","7","6","10","5","1","1") = "9"
    & skf18("6","7","6","10","5","2","1") = "9"
    & skf18("6","7","6","10","5","3","1") = "9"
    & skf18("6","7","6","10","5","4","1") = "9"
    & skf18("6","7","6","10","5","5","1") = "9"
    & skf18("6","7","6","10","5","6","1") = "9"
    & skf18("6","7","6","10","5","7","1") = "9"
    & skf18("6","7","6","10","5","8","1") = "9"
    & skf18("6","7","6","10","5","9","1") = "9"
    & skf18("6","7","6","10","5","10","1") = "9"
    & skf18("6","7","6","10","6","1","1") = "9"
    & skf18("6","7","6","10","6","2","1") = "9"
    & skf18("6","7","6","10","6","3","1") = "9"
    & skf18("6","7","6","10","6","4","1") = "9"
    & skf18("6","7","6","10","6","5","1") = "9"
    & skf18("6","7","6","10","6","6","1") = "9"
    & skf18("6","7","6","10","6","7","1") = "9"
    & skf18("6","7","6","10","6","8","1") = "9"
    & skf18("6","7","6","10","6","9","1") = "9"
    & skf18("6","7","6","10","6","10","1") = "9"
    & skf18("6","7","6","10","7","1","1") = "9"
    & skf18("6","7","6","10","7","2","1") = "9"
    & skf18("6","7","6","10","7","3","1") = "9"
    & skf18("6","7","6","10","7","4","1") = "9"
    & skf18("6","7","6","10","7","5","1") = "9"
    & skf18("6","7","6","10","7","6","1") = "9"
    & skf18("6","7","6","10","7","7","1") = "9"
    & skf18("6","7","6","10","7","8","1") = "9"
    & skf18("6","7","6","10","7","9","1") = "9"
    & skf18("6","7","6","10","7","10","1") = "9"
    & skf18("6","7","6","10","8","1","1") = "9"
    & skf18("6","7","6","10","8","2","1") = "9"
    & skf18("6","7","6","10","8","3","1") = "9"
    & skf18("6","7","6","10","8","4","1") = "9"
    & skf18("6","7","6","10","8","5","1") = "9"
    & skf18("6","7","6","10","8","6","1") = "9"
    & skf18("6","7","6","10","8","7","1") = "9"
    & skf18("6","7","6","10","8","8","1") = "9"
    & skf18("6","7","6","10","8","9","1") = "9"
    & skf18("6","7","6","10","8","10","1") = "9"
    & skf18("6","7","6","10","9","1","1") = "9"
    & skf18("6","7","6","10","9","2","1") = "9"
    & skf18("6","7","6","10","9","3","1") = "9"
    & skf18("6","7","6","10","9","4","1") = "9"
    & skf18("6","7","6","10","9","5","1") = "9"
    & skf18("6","7","6","10","9","6","1") = "9"
    & skf18("6","7","6","10","9","7","1") = "9"
    & skf18("6","7","6","10","9","8","1") = "9"
    & skf18("6","7","6","10","9","9","1") = "9"
    & skf18("6","7","6","10","9","10","1") = "9"
    & skf18("6","7","6","10","10","1","1") = "9"
    & skf18("6","7","6","10","10","2","1") = "9"
    & skf18("6","7","6","10","10","3","1") = "9"
    & skf18("6","7","6","10","10","4","1") = "9"
    & skf18("6","7","6","10","10","5","1") = "9"
    & skf18("6","7","6","10","10","6","1") = "9"
    & skf18("6","7","6","10","10","7","1") = "9"
    & skf18("6","7","6","10","10","8","1") = "9"
    & skf18("6","7","6","10","10","9","1") = "9"
    & skf18("6","7","6","10","10","10","1") = "9"
    & skf18("6","7","7","1","1","1","1") = "6"
    & skf18("6","7","7","1","1","2","1") = "6"
    & skf18("6","7","7","1","1","3","1") = "6"
    & skf18("6","7","7","1","1","4","1") = "6"
    & skf18("6","7","7","1","1","5","1") = "6"
    & skf18("6","7","7","1","1","6","1") = "6"
    & skf18("6","7","7","1","1","7","1") = "6"
    & skf18("6","7","7","1","1","8","1") = "7"
    & skf18("6","7","7","1","1","9","1") = "8"
    & skf18("6","7","7","1","1","10","1") = "9"
    & skf18("6","7","7","1","2","1","1") = "6"
    & skf18("6","7","7","1","2","2","1") = "6"
    & skf18("6","7","7","1","2","3","1") = "6"
    & skf18("6","7","7","1","2","4","1") = "6"
    & skf18("6","7","7","1","2","5","1") = "6"
    & skf18("6","7","7","1","2","6","1") = "6"
    & skf18("6","7","7","1","2","7","1") = "6"
    & skf18("6","7","7","1","2","8","1") = "7"
    & skf18("6","7","7","1","2","9","1") = "8"
    & skf18("6","7","7","1","2","10","1") = "9"
    & skf18("6","7","7","1","3","1","1") = "6"
    & skf18("6","7","7","1","3","2","1") = "6"
    & skf18("6","7","7","1","3","3","1") = "6"
    & skf18("6","7","7","1","3","4","1") = "6"
    & skf18("6","7","7","1","3","5","1") = "6"
    & skf18("6","7","7","1","3","6","1") = "6"
    & skf18("6","7","7","1","3","7","1") = "6"
    & skf18("6","7","7","1","3","8","1") = "7"
    & skf18("6","7","7","1","3","9","1") = "8"
    & skf18("6","7","7","1","3","10","1") = "9"
    & skf18("6","7","7","1","4","1","1") = "6"
    & skf18("6","7","7","1","4","2","1") = "6"
    & skf18("6","7","7","1","4","3","1") = "6"
    & skf18("6","7","7","1","4","4","1") = "6"
    & skf18("6","7","7","1","4","5","1") = "6"
    & skf18("6","7","7","1","4","6","1") = "6"
    & skf18("6","7","7","1","4","7","1") = "6"
    & skf18("6","7","7","1","4","8","1") = "7"
    & skf18("6","7","7","1","4","9","1") = "8"
    & skf18("6","7","7","1","4","10","1") = "9"
    & skf18("6","7","7","1","5","1","1") = "6"
    & skf18("6","7","7","1","5","2","1") = "6"
    & skf18("6","7","7","1","5","3","1") = "6"
    & skf18("6","7","7","1","5","4","1") = "6"
    & skf18("6","7","7","1","5","5","1") = "6"
    & skf18("6","7","7","1","5","6","1") = "6"
    & skf18("6","7","7","1","5","7","1") = "6"
    & skf18("6","7","7","1","5","8","1") = "7"
    & skf18("6","7","7","1","5","9","1") = "8"
    & skf18("6","7","7","1","5","10","1") = "9"
    & skf18("6","7","7","1","6","1","1") = "6"
    & skf18("6","7","7","1","6","2","1") = "6"
    & skf18("6","7","7","1","6","3","1") = "6"
    & skf18("6","7","7","1","6","4","1") = "6"
    & skf18("6","7","7","1","6","5","1") = "6"
    & skf18("6","7","7","1","6","6","1") = "6"
    & skf18("6","7","7","1","6","7","1") = "6"
    & skf18("6","7","7","1","6","8","1") = "7"
    & skf18("6","7","7","1","6","9","1") = "8"
    & skf18("6","7","7","1","6","10","1") = "9"
    & skf18("6","7","7","1","7","1","1") = "6"
    & skf18("6","7","7","1","7","2","1") = "6"
    & skf18("6","7","7","1","7","3","1") = "6"
    & skf18("6","7","7","1","7","4","1") = "6"
    & skf18("6","7","7","1","7","5","1") = "6"
    & skf18("6","7","7","1","7","6","1") = "6"
    & skf18("6","7","7","1","7","7","1") = "6"
    & skf18("6","7","7","1","7","8","1") = "7"
    & skf18("6","7","7","1","7","9","1") = "8"
    & skf18("6","7","7","1","7","10","1") = "9"
    & skf18("6","7","7","1","8","1","1") = "7"
    & skf18("6","7","7","1","8","2","1") = "7"
    & skf18("6","7","7","1","8","3","1") = "7"
    & skf18("6","7","7","1","8","4","1") = "7"
    & skf18("6","7","7","1","8","5","1") = "7"
    & skf18("6","7","7","1","8","6","1") = "7"
    & skf18("6","7","7","1","8","7","1") = "7"
    & skf18("6","7","7","1","8","8","1") = "7"
    & skf18("6","7","7","1","8","9","1") = "8"
    & skf18("6","7","7","1","8","10","1") = "9"
    & skf18("6","7","7","1","9","1","1") = "8"
    & skf18("6","7","7","1","9","2","1") = "8"
    & skf18("6","7","7","1","9","3","1") = "8"
    & skf18("6","7","7","1","9","4","1") = "8"
    & skf18("6","7","7","1","9","5","1") = "8"
    & skf18("6","7","7","1","9","6","1") = "8"
    & skf18("6","7","7","1","9","7","1") = "8"
    & skf18("6","7","7","1","9","8","1") = "8"
    & skf18("6","7","7","1","9","9","1") = "8"
    & skf18("6","7","7","1","9","10","1") = "9"
    & skf18("6","7","7","1","10","1","1") = "9"
    & skf18("6","7","7","1","10","2","1") = "9"
    & skf18("6","7","7","1","10","3","1") = "9"
    & skf18("6","7","7","1","10","4","1") = "9"
    & skf18("6","7","7","1","10","5","1") = "9"
    & skf18("6","7","7","1","10","6","1") = "9"
    & skf18("6","7","7","1","10","7","1") = "9"
    & skf18("6","7","7","1","10","8","1") = "9"
    & skf18("6","7","7","1","10","9","1") = "9"
    & skf18("6","7","7","1","10","10","1") = "9"
    & skf18("6","7","7","2","1","1","1") = "6"
    & skf18("6","7","7","2","1","2","1") = "6"
    & skf18("6","7","7","2","1","3","1") = "6"
    & skf18("6","7","7","2","1","4","1") = "6"
    & skf18("6","7","7","2","1","5","1") = "6"
    & skf18("6","7","7","2","1","6","1") = "6"
    & skf18("6","7","7","2","1","7","1") = "6"
    & skf18("6","7","7","2","1","8","1") = "7"
    & skf18("6","7","7","2","1","9","1") = "8"
    & skf18("6","7","7","2","1","10","1") = "9"
    & skf18("6","7","7","2","2","1","1") = "6"
    & skf18("6","7","7","2","2","2","1") = "6"
    & skf18("6","7","7","2","2","3","1") = "6"
    & skf18("6","7","7","2","2","4","1") = "6"
    & skf18("6","7","7","2","2","5","1") = "6"
    & skf18("6","7","7","2","2","6","1") = "6"
    & skf18("6","7","7","2","2","7","1") = "6"
    & skf18("6","7","7","2","2","8","1") = "7"
    & skf18("6","7","7","2","2","9","1") = "8"
    & skf18("6","7","7","2","2","10","1") = "9"
    & skf18("6","7","7","2","3","1","1") = "6"
    & skf18("6","7","7","2","3","2","1") = "6"
    & skf18("6","7","7","2","3","3","1") = "6"
    & skf18("6","7","7","2","3","4","1") = "6"
    & skf18("6","7","7","2","3","5","1") = "6"
    & skf18("6","7","7","2","3","6","1") = "6"
    & skf18("6","7","7","2","3","7","1") = "6"
    & skf18("6","7","7","2","3","8","1") = "7"
    & skf18("6","7","7","2","3","9","1") = "8"
    & skf18("6","7","7","2","3","10","1") = "9"
    & skf18("6","7","7","2","4","1","1") = "6"
    & skf18("6","7","7","2","4","2","1") = "6"
    & skf18("6","7","7","2","4","3","1") = "6"
    & skf18("6","7","7","2","4","4","1") = "6"
    & skf18("6","7","7","2","4","5","1") = "6"
    & skf18("6","7","7","2","4","6","1") = "6"
    & skf18("6","7","7","2","4","7","1") = "6"
    & skf18("6","7","7","2","4","8","1") = "7"
    & skf18("6","7","7","2","4","9","1") = "8"
    & skf18("6","7","7","2","4","10","1") = "9"
    & skf18("6","7","7","2","5","1","1") = "6"
    & skf18("6","7","7","2","5","2","1") = "6"
    & skf18("6","7","7","2","5","3","1") = "6"
    & skf18("6","7","7","2","5","4","1") = "6"
    & skf18("6","7","7","2","5","5","1") = "6"
    & skf18("6","7","7","2","5","6","1") = "6"
    & skf18("6","7","7","2","5","7","1") = "6"
    & skf18("6","7","7","2","5","8","1") = "7"
    & skf18("6","7","7","2","5","9","1") = "8"
    & skf18("6","7","7","2","5","10","1") = "9"
    & skf18("6","7","7","2","6","1","1") = "6"
    & skf18("6","7","7","2","6","2","1") = "6"
    & skf18("6","7","7","2","6","3","1") = "6"
    & skf18("6","7","7","2","6","4","1") = "6"
    & skf18("6","7","7","2","6","5","1") = "6"
    & skf18("6","7","7","2","6","6","1") = "6"
    & skf18("6","7","7","2","6","7","1") = "6"
    & skf18("6","7","7","2","6","8","1") = "7"
    & skf18("6","7","7","2","6","9","1") = "8"
    & skf18("6","7","7","2","6","10","1") = "9"
    & skf18("6","7","7","2","7","1","1") = "6"
    & skf18("6","7","7","2","7","2","1") = "6"
    & skf18("6","7","7","2","7","3","1") = "6"
    & skf18("6","7","7","2","7","4","1") = "6"
    & skf18("6","7","7","2","7","5","1") = "6"
    & skf18("6","7","7","2","7","6","1") = "6"
    & skf18("6","7","7","2","7","7","1") = "6"
    & skf18("6","7","7","2","7","8","1") = "7"
    & skf18("6","7","7","2","7","9","1") = "8"
    & skf18("6","7","7","2","7","10","1") = "9"
    & skf18("6","7","7","2","8","1","1") = "7"
    & skf18("6","7","7","2","8","2","1") = "7"
    & skf18("6","7","7","2","8","3","1") = "7"
    & skf18("6","7","7","2","8","4","1") = "7"
    & skf18("6","7","7","2","8","5","1") = "7"
    & skf18("6","7","7","2","8","6","1") = "7"
    & skf18("6","7","7","2","8","7","1") = "7"
    & skf18("6","7","7","2","8","8","1") = "7"
    & skf18("6","7","7","2","8","9","1") = "8"
    & skf18("6","7","7","2","8","10","1") = "9"
    & skf18("6","7","7","2","9","1","1") = "8"
    & skf18("6","7","7","2","9","2","1") = "8"
    & skf18("6","7","7","2","9","3","1") = "8"
    & skf18("6","7","7","2","9","4","1") = "8"
    & skf18("6","7","7","2","9","5","1") = "8"
    & skf18("6","7","7","2","9","6","1") = "8"
    & skf18("6","7","7","2","9","7","1") = "8"
    & skf18("6","7","7","2","9","8","1") = "8"
    & skf18("6","7","7","2","9","9","1") = "8"
    & skf18("6","7","7","2","9","10","1") = "9"
    & skf18("6","7","7","2","10","1","1") = "9"
    & skf18("6","7","7","2","10","2","1") = "9"
    & skf18("6","7","7","2","10","3","1") = "9"
    & skf18("6","7","7","2","10","4","1") = "9"
    & skf18("6","7","7","2","10","5","1") = "9"
    & skf18("6","7","7","2","10","6","1") = "9"
    & skf18("6","7","7","2","10","7","1") = "9"
    & skf18("6","7","7","2","10","8","1") = "9"
    & skf18("6","7","7","2","10","9","1") = "9"
    & skf18("6","7","7","2","10","10","1") = "9"
    & skf18("6","7","7","3","1","1","1") = "6"
    & skf18("6","7","7","3","1","2","1") = "6"
    & skf18("6","7","7","3","1","3","1") = "6"
    & skf18("6","7","7","3","1","4","1") = "6"
    & skf18("6","7","7","3","1","5","1") = "6"
    & skf18("6","7","7","3","1","6","1") = "6"
    & skf18("6","7","7","3","1","7","1") = "6"
    & skf18("6","7","7","3","1","8","1") = "7"
    & skf18("6","7","7","3","1","9","1") = "8"
    & skf18("6","7","7","3","1","10","1") = "9"
    & skf18("6","7","7","3","2","1","1") = "6"
    & skf18("6","7","7","3","2","2","1") = "6"
    & skf18("6","7","7","3","2","3","1") = "6"
    & skf18("6","7","7","3","2","4","1") = "6"
    & skf18("6","7","7","3","2","5","1") = "6"
    & skf18("6","7","7","3","2","6","1") = "6"
    & skf18("6","7","7","3","2","7","1") = "6"
    & skf18("6","7","7","3","2","8","1") = "7"
    & skf18("6","7","7","3","2","9","1") = "8"
    & skf18("6","7","7","3","2","10","1") = "9"
    & skf18("6","7","7","3","3","1","1") = "6"
    & skf18("6","7","7","3","3","2","1") = "6"
    & skf18("6","7","7","3","3","3","1") = "6"
    & skf18("6","7","7","3","3","4","1") = "6"
    & skf18("6","7","7","3","3","5","1") = "6"
    & skf18("6","7","7","3","3","6","1") = "6"
    & skf18("6","7","7","3","3","7","1") = "6"
    & skf18("6","7","7","3","3","8","1") = "7"
    & skf18("6","7","7","3","3","9","1") = "8"
    & skf18("6","7","7","3","3","10","1") = "9"
    & skf18("6","7","7","3","4","1","1") = "6"
    & skf18("6","7","7","3","4","2","1") = "6"
    & skf18("6","7","7","3","4","3","1") = "6"
    & skf18("6","7","7","3","4","4","1") = "6"
    & skf18("6","7","7","3","4","5","1") = "6"
    & skf18("6","7","7","3","4","6","1") = "6"
    & skf18("6","7","7","3","4","7","1") = "6"
    & skf18("6","7","7","3","4","8","1") = "7"
    & skf18("6","7","7","3","4","9","1") = "8"
    & skf18("6","7","7","3","4","10","1") = "9"
    & skf18("6","7","7","3","5","1","1") = "6"
    & skf18("6","7","7","3","5","2","1") = "6"
    & skf18("6","7","7","3","5","3","1") = "6"
    & skf18("6","7","7","3","5","4","1") = "6"
    & skf18("6","7","7","3","5","5","1") = "6"
    & skf18("6","7","7","3","5","6","1") = "6"
    & skf18("6","7","7","3","5","7","1") = "6"
    & skf18("6","7","7","3","5","8","1") = "7"
    & skf18("6","7","7","3","5","9","1") = "8"
    & skf18("6","7","7","3","5","10","1") = "9"
    & skf18("6","7","7","3","6","1","1") = "6"
    & skf18("6","7","7","3","6","2","1") = "6"
    & skf18("6","7","7","3","6","3","1") = "6"
    & skf18("6","7","7","3","6","4","1") = "6"
    & skf18("6","7","7","3","6","5","1") = "6"
    & skf18("6","7","7","3","6","6","1") = "6"
    & skf18("6","7","7","3","6","7","1") = "6"
    & skf18("6","7","7","3","6","8","1") = "7"
    & skf18("6","7","7","3","6","9","1") = "8"
    & skf18("6","7","7","3","6","10","1") = "9"
    & skf18("6","7","7","3","7","1","1") = "6"
    & skf18("6","7","7","3","7","2","1") = "6"
    & skf18("6","7","7","3","7","3","1") = "6"
    & skf18("6","7","7","3","7","4","1") = "6"
    & skf18("6","7","7","3","7","5","1") = "6"
    & skf18("6","7","7","3","7","6","1") = "6"
    & skf18("6","7","7","3","7","7","1") = "6"
    & skf18("6","7","7","3","7","8","1") = "7"
    & skf18("6","7","7","3","7","9","1") = "8"
    & skf18("6","7","7","3","7","10","1") = "9"
    & skf18("6","7","7","3","8","1","1") = "7"
    & skf18("6","7","7","3","8","2","1") = "7"
    & skf18("6","7","7","3","8","3","1") = "7"
    & skf18("6","7","7","3","8","4","1") = "7"
    & skf18("6","7","7","3","8","5","1") = "7"
    & skf18("6","7","7","3","8","6","1") = "7"
    & skf18("6","7","7","3","8","7","1") = "7"
    & skf18("6","7","7","3","8","8","1") = "7"
    & skf18("6","7","7","3","8","9","1") = "8"
    & skf18("6","7","7","3","8","10","1") = "9"
    & skf18("6","7","7","3","9","1","1") = "8"
    & skf18("6","7","7","3","9","2","1") = "8"
    & skf18("6","7","7","3","9","3","1") = "8"
    & skf18("6","7","7","3","9","4","1") = "8"
    & skf18("6","7","7","3","9","5","1") = "8"
    & skf18("6","7","7","3","9","6","1") = "8"
    & skf18("6","7","7","3","9","7","1") = "8"
    & skf18("6","7","7","3","9","8","1") = "8"
    & skf18("6","7","7","3","9","9","1") = "8"
    & skf18("6","7","7","3","9","10","1") = "9"
    & skf18("6","7","7","3","10","1","1") = "9"
    & skf18("6","7","7","3","10","2","1") = "9"
    & skf18("6","7","7","3","10","3","1") = "9"
    & skf18("6","7","7","3","10","4","1") = "9"
    & skf18("6","7","7","3","10","5","1") = "9"
    & skf18("6","7","7","3","10","6","1") = "9"
    & skf18("6","7","7","3","10","7","1") = "9"
    & skf18("6","7","7","3","10","8","1") = "9"
    & skf18("6","7","7","3","10","9","1") = "9"
    & skf18("6","7","7","3","10","10","1") = "9"
    & skf18("6","7","7","4","1","1","1") = "6"
    & skf18("6","7","7","4","1","2","1") = "6"
    & skf18("6","7","7","4","1","3","1") = "6"
    & skf18("6","7","7","4","1","4","1") = "6"
    & skf18("6","7","7","4","1","5","1") = "6"
    & skf18("6","7","7","4","1","6","1") = "6"
    & skf18("6","7","7","4","1","7","1") = "6"
    & skf18("6","7","7","4","1","8","1") = "7"
    & skf18("6","7","7","4","1","9","1") = "8"
    & skf18("6","7","7","4","1","10","1") = "9"
    & skf18("6","7","7","4","2","1","1") = "6"
    & skf18("6","7","7","4","2","2","1") = "6"
    & skf18("6","7","7","4","2","3","1") = "6"
    & skf18("6","7","7","4","2","4","1") = "6"
    & skf18("6","7","7","4","2","5","1") = "6"
    & skf18("6","7","7","4","2","6","1") = "6"
    & skf18("6","7","7","4","2","7","1") = "6"
    & skf18("6","7","7","4","2","8","1") = "7"
    & skf18("6","7","7","4","2","9","1") = "8"
    & skf18("6","7","7","4","2","10","1") = "9"
    & skf18("6","7","7","4","3","1","1") = "6"
    & skf18("6","7","7","4","3","2","1") = "6"
    & skf18("6","7","7","4","3","3","1") = "6"
    & skf18("6","7","7","4","3","4","1") = "6"
    & skf18("6","7","7","4","3","5","1") = "6"
    & skf18("6","7","7","4","3","6","1") = "6"
    & skf18("6","7","7","4","3","7","1") = "6"
    & skf18("6","7","7","4","3","8","1") = "7"
    & skf18("6","7","7","4","3","9","1") = "8"
    & skf18("6","7","7","4","3","10","1") = "9"
    & skf18("6","7","7","4","4","1","1") = "6"
    & skf18("6","7","7","4","4","2","1") = "6"
    & skf18("6","7","7","4","4","3","1") = "6"
    & skf18("6","7","7","4","4","4","1") = "6"
    & skf18("6","7","7","4","4","5","1") = "6"
    & skf18("6","7","7","4","4","6","1") = "6"
    & skf18("6","7","7","4","4","7","1") = "6"
    & skf18("6","7","7","4","4","8","1") = "7"
    & skf18("6","7","7","4","4","9","1") = "8"
    & skf18("6","7","7","4","4","10","1") = "9"
    & skf18("6","7","7","4","5","1","1") = "6"
    & skf18("6","7","7","4","5","2","1") = "6"
    & skf18("6","7","7","4","5","3","1") = "6"
    & skf18("6","7","7","4","5","4","1") = "6"
    & skf18("6","7","7","4","5","5","1") = "6"
    & skf18("6","7","7","4","5","6","1") = "6"
    & skf18("6","7","7","4","5","7","1") = "6"
    & skf18("6","7","7","4","5","8","1") = "7"
    & skf18("6","7","7","4","5","9","1") = "8"
    & skf18("6","7","7","4","5","10","1") = "9"
    & skf18("6","7","7","4","6","1","1") = "6"
    & skf18("6","7","7","4","6","2","1") = "6"
    & skf18("6","7","7","4","6","3","1") = "6"
    & skf18("6","7","7","4","6","4","1") = "6"
    & skf18("6","7","7","4","6","5","1") = "6"
    & skf18("6","7","7","4","6","6","1") = "6"
    & skf18("6","7","7","4","6","7","1") = "6"
    & skf18("6","7","7","4","6","8","1") = "7"
    & skf18("6","7","7","4","6","9","1") = "8"
    & skf18("6","7","7","4","6","10","1") = "9"
    & skf18("6","7","7","4","7","1","1") = "6"
    & skf18("6","7","7","4","7","2","1") = "6"
    & skf18("6","7","7","4","7","3","1") = "6"
    & skf18("6","7","7","4","7","4","1") = "6"
    & skf18("6","7","7","4","7","5","1") = "6"
    & skf18("6","7","7","4","7","6","1") = "6"
    & skf18("6","7","7","4","7","7","1") = "6"
    & skf18("6","7","7","4","7","8","1") = "7"
    & skf18("6","7","7","4","7","9","1") = "8"
    & skf18("6","7","7","4","7","10","1") = "9"
    & skf18("6","7","7","4","8","1","1") = "7"
    & skf18("6","7","7","4","8","2","1") = "7"
    & skf18("6","7","7","4","8","3","1") = "7"
    & skf18("6","7","7","4","8","4","1") = "7"
    & skf18("6","7","7","4","8","5","1") = "7"
    & skf18("6","7","7","4","8","6","1") = "7"
    & skf18("6","7","7","4","8","7","1") = "7"
    & skf18("6","7","7","4","8","8","1") = "7"
    & skf18("6","7","7","4","8","9","1") = "8"
    & skf18("6","7","7","4","8","10","1") = "9"
    & skf18("6","7","7","4","9","1","1") = "8"
    & skf18("6","7","7","4","9","2","1") = "8"
    & skf18("6","7","7","4","9","3","1") = "8"
    & skf18("6","7","7","4","9","4","1") = "8"
    & skf18("6","7","7","4","9","5","1") = "8"
    & skf18("6","7","7","4","9","6","1") = "8"
    & skf18("6","7","7","4","9","7","1") = "8"
    & skf18("6","7","7","4","9","8","1") = "8"
    & skf18("6","7","7","4","9","9","1") = "8"
    & skf18("6","7","7","4","9","10","1") = "9"
    & skf18("6","7","7","4","10","1","1") = "9"
    & skf18("6","7","7","4","10","2","1") = "9"
    & skf18("6","7","7","4","10","3","1") = "9"
    & skf18("6","7","7","4","10","4","1") = "9"
    & skf18("6","7","7","4","10","5","1") = "9"
    & skf18("6","7","7","4","10","6","1") = "9"
    & skf18("6","7","7","4","10","7","1") = "9"
    & skf18("6","7","7","4","10","8","1") = "9"
    & skf18("6","7","7","4","10","9","1") = "9"
    & skf18("6","7","7","4","10","10","1") = "9"
    & skf18("6","7","7","5","1","1","1") = "6"
    & skf18("6","7","7","5","1","2","1") = "6"
    & skf18("6","7","7","5","1","3","1") = "6"
    & skf18("6","7","7","5","1","4","1") = "6"
    & skf18("6","7","7","5","1","5","1") = "6"
    & skf18("6","7","7","5","1","6","1") = "6"
    & skf18("6","7","7","5","1","7","1") = "6"
    & skf18("6","7","7","5","1","8","1") = "7"
    & skf18("6","7","7","5","1","9","1") = "8"
    & skf18("6","7","7","5","1","10","1") = "9"
    & skf18("6","7","7","5","2","1","1") = "6"
    & skf18("6","7","7","5","2","2","1") = "6"
    & skf18("6","7","7","5","2","3","1") = "6"
    & skf18("6","7","7","5","2","4","1") = "6"
    & skf18("6","7","7","5","2","5","1") = "6"
    & skf18("6","7","7","5","2","6","1") = "6"
    & skf18("6","7","7","5","2","7","1") = "6"
    & skf18("6","7","7","5","2","8","1") = "7"
    & skf18("6","7","7","5","2","9","1") = "8"
    & skf18("6","7","7","5","2","10","1") = "9"
    & skf18("6","7","7","5","3","1","1") = "6"
    & skf18("6","7","7","5","3","2","1") = "6"
    & skf18("6","7","7","5","3","3","1") = "6"
    & skf18("6","7","7","5","3","4","1") = "6"
    & skf18("6","7","7","5","3","5","1") = "6"
    & skf18("6","7","7","5","3","6","1") = "6"
    & skf18("6","7","7","5","3","7","1") = "6"
    & skf18("6","7","7","5","3","8","1") = "7"
    & skf18("6","7","7","5","3","9","1") = "8"
    & skf18("6","7","7","5","3","10","1") = "9"
    & skf18("6","7","7","5","4","1","1") = "6"
    & skf18("6","7","7","5","4","2","1") = "6"
    & skf18("6","7","7","5","4","3","1") = "6"
    & skf18("6","7","7","5","4","4","1") = "6"
    & skf18("6","7","7","5","4","5","1") = "6"
    & skf18("6","7","7","5","4","6","1") = "6"
    & skf18("6","7","7","5","4","7","1") = "6"
    & skf18("6","7","7","5","4","8","1") = "7"
    & skf18("6","7","7","5","4","9","1") = "8"
    & skf18("6","7","7","5","4","10","1") = "9"
    & skf18("6","7","7","5","5","1","1") = "6"
    & skf18("6","7","7","5","5","2","1") = "6"
    & skf18("6","7","7","5","5","3","1") = "6"
    & skf18("6","7","7","5","5","4","1") = "6"
    & skf18("6","7","7","5","5","5","1") = "6"
    & skf18("6","7","7","5","5","6","1") = "6"
    & skf18("6","7","7","5","5","7","1") = "6"
    & skf18("6","7","7","5","5","8","1") = "7"
    & skf18("6","7","7","5","5","9","1") = "8"
    & skf18("6","7","7","5","5","10","1") = "9"
    & skf18("6","7","7","5","6","1","1") = "6"
    & skf18("6","7","7","5","6","2","1") = "6"
    & skf18("6","7","7","5","6","3","1") = "6"
    & skf18("6","7","7","5","6","4","1") = "6"
    & skf18("6","7","7","5","6","5","1") = "6"
    & skf18("6","7","7","5","6","6","1") = "6"
    & skf18("6","7","7","5","6","7","1") = "6"
    & skf18("6","7","7","5","6","8","1") = "7"
    & skf18("6","7","7","5","6","9","1") = "8"
    & skf18("6","7","7","5","6","10","1") = "9"
    & skf18("6","7","7","5","7","1","1") = "6"
    & skf18("6","7","7","5","7","2","1") = "6"
    & skf18("6","7","7","5","7","3","1") = "6"
    & skf18("6","7","7","5","7","4","1") = "6"
    & skf18("6","7","7","5","7","5","1") = "6"
    & skf18("6","7","7","5","7","6","1") = "6"
    & skf18("6","7","7","5","7","7","1") = "6"
    & skf18("6","7","7","5","7","8","1") = "7"
    & skf18("6","7","7","5","7","9","1") = "8"
    & skf18("6","7","7","5","7","10","1") = "9"
    & skf18("6","7","7","5","8","1","1") = "7"
    & skf18("6","7","7","5","8","2","1") = "7"
    & skf18("6","7","7","5","8","3","1") = "7"
    & skf18("6","7","7","5","8","4","1") = "7"
    & skf18("6","7","7","5","8","5","1") = "7"
    & skf18("6","7","7","5","8","6","1") = "7"
    & skf18("6","7","7","5","8","7","1") = "7"
    & skf18("6","7","7","5","8","8","1") = "7"
    & skf18("6","7","7","5","8","9","1") = "8"
    & skf18("6","7","7","5","8","10","1") = "9"
    & skf18("6","7","7","5","9","1","1") = "8"
    & skf18("6","7","7","5","9","2","1") = "8"
    & skf18("6","7","7","5","9","3","1") = "8"
    & skf18("6","7","7","5","9","4","1") = "8"
    & skf18("6","7","7","5","9","5","1") = "8"
    & skf18("6","7","7","5","9","6","1") = "8"
    & skf18("6","7","7","5","9","7","1") = "8"
    & skf18("6","7","7","5","9","8","1") = "8"
    & skf18("6","7","7","5","9","9","1") = "8"
    & skf18("6","7","7","5","9","10","1") = "9"
    & skf18("6","7","7","5","10","1","1") = "9"
    & skf18("6","7","7","5","10","2","1") = "9"
    & skf18("6","7","7","5","10","3","1") = "9"
    & skf18("6","7","7","5","10","4","1") = "9"
    & skf18("6","7","7","5","10","5","1") = "9"
    & skf18("6","7","7","5","10","6","1") = "9"
    & skf18("6","7","7","5","10","7","1") = "9"
    & skf18("6","7","7","5","10","8","1") = "9"
    & skf18("6","7","7","5","10","9","1") = "9"
    & skf18("6","7","7","5","10","10","1") = "9"
    & skf18("6","7","7","6","1","1","1") = "6"
    & skf18("6","7","7","6","1","2","1") = "6"
    & skf18("6","7","7","6","1","3","1") = "6"
    & skf18("6","7","7","6","1","4","1") = "6"
    & skf18("6","7","7","6","1","5","1") = "6"
    & skf18("6","7","7","6","1","6","1") = "6"
    & skf18("6","7","7","6","1","7","1") = "6"
    & skf18("6","7","7","6","1","8","1") = "7"
    & skf18("6","7","7","6","1","9","1") = "8"
    & skf18("6","7","7","6","1","10","1") = "9"
    & skf18("6","7","7","6","2","1","1") = "6"
    & skf18("6","7","7","6","2","2","1") = "6"
    & skf18("6","7","7","6","2","3","1") = "6"
    & skf18("6","7","7","6","2","4","1") = "6"
    & skf18("6","7","7","6","2","5","1") = "6"
    & skf18("6","7","7","6","2","6","1") = "6"
    & skf18("6","7","7","6","2","7","1") = "6"
    & skf18("6","7","7","6","2","8","1") = "7"
    & skf18("6","7","7","6","2","9","1") = "8"
    & skf18("6","7","7","6","2","10","1") = "9"
    & skf18("6","7","7","6","3","1","1") = "6"
    & skf18("6","7","7","6","3","2","1") = "6"
    & skf18("6","7","7","6","3","3","1") = "6"
    & skf18("6","7","7","6","3","4","1") = "6"
    & skf18("6","7","7","6","3","5","1") = "6"
    & skf18("6","7","7","6","3","6","1") = "6"
    & skf18("6","7","7","6","3","7","1") = "6"
    & skf18("6","7","7","6","3","8","1") = "7"
    & skf18("6","7","7","6","3","9","1") = "8"
    & skf18("6","7","7","6","3","10","1") = "9"
    & skf18("6","7","7","6","4","1","1") = "6"
    & skf18("6","7","7","6","4","2","1") = "6"
    & skf18("6","7","7","6","4","3","1") = "6"
    & skf18("6","7","7","6","4","4","1") = "6"
    & skf18("6","7","7","6","4","5","1") = "6"
    & skf18("6","7","7","6","4","6","1") = "6"
    & skf18("6","7","7","6","4","7","1") = "6"
    & skf18("6","7","7","6","4","8","1") = "7"
    & skf18("6","7","7","6","4","9","1") = "8"
    & skf18("6","7","7","6","4","10","1") = "9"
    & skf18("6","7","7","6","5","1","1") = "6"
    & skf18("6","7","7","6","5","2","1") = "6"
    & skf18("6","7","7","6","5","3","1") = "6"
    & skf18("6","7","7","6","5","4","1") = "6"
    & skf18("6","7","7","6","5","5","1") = "6"
    & skf18("6","7","7","6","5","6","1") = "6"
    & skf18("6","7","7","6","5","7","1") = "6"
    & skf18("6","7","7","6","5","8","1") = "7"
    & skf18("6","7","7","6","5","9","1") = "8"
    & skf18("6","7","7","6","5","10","1") = "9"
    & skf18("6","7","7","6","6","1","1") = "6"
    & skf18("6","7","7","6","6","2","1") = "6"
    & skf18("6","7","7","6","6","3","1") = "6"
    & skf18("6","7","7","6","6","4","1") = "6"
    & skf18("6","7","7","6","6","5","1") = "6"
    & skf18("6","7","7","6","6","6","1") = "6"
    & skf18("6","7","7","6","6","7","1") = "6"
    & skf18("6","7","7","6","6","8","1") = "7"
    & skf18("6","7","7","6","6","9","1") = "8"
    & skf18("6","7","7","6","6","10","1") = "9"
    & skf18("6","7","7","6","7","1","1") = "6"
    & skf18("6","7","7","6","7","2","1") = "6"
    & skf18("6","7","7","6","7","3","1") = "6"
    & skf18("6","7","7","6","7","4","1") = "6"
    & skf18("6","7","7","6","7","5","1") = "6"
    & skf18("6","7","7","6","7","6","1") = "6"
    & skf18("6","7","7","6","7","7","1") = "6"
    & skf18("6","7","7","6","7","8","1") = "7"
    & skf18("6","7","7","6","7","9","1") = "8"
    & skf18("6","7","7","6","7","10","1") = "9"
    & skf18("6","7","7","6","8","1","1") = "7"
    & skf18("6","7","7","6","8","2","1") = "7"
    & skf18("6","7","7","6","8","3","1") = "7"
    & skf18("6","7","7","6","8","4","1") = "7"
    & skf18("6","7","7","6","8","5","1") = "7"
    & skf18("6","7","7","6","8","6","1") = "7"
    & skf18("6","7","7","6","8","7","1") = "7"
    & skf18("6","7","7","6","8","8","1") = "7"
    & skf18("6","7","7","6","8","9","1") = "8"
    & skf18("6","7","7","6","8","10","1") = "9"
    & skf18("6","7","7","6","9","1","1") = "8"
    & skf18("6","7","7","6","9","2","1") = "8"
    & skf18("6","7","7","6","9","3","1") = "8"
    & skf18("6","7","7","6","9","4","1") = "8"
    & skf18("6","7","7","6","9","5","1") = "8"
    & skf18("6","7","7","6","9","6","1") = "8"
    & skf18("6","7","7","6","9","7","1") = "8"
    & skf18("6","7","7","6","9","8","1") = "8"
    & skf18("6","7","7","6","9","9","1") = "8"
    & skf18("6","7","7","6","9","10","1") = "9"
    & skf18("6","7","7","6","10","1","1") = "9"
    & skf18("6","7","7","6","10","2","1") = "9"
    & skf18("6","7","7","6","10","3","1") = "9"
    & skf18("6","7","7","6","10","4","1") = "9"
    & skf18("6","7","7","6","10","5","1") = "9"
    & skf18("6","7","7","6","10","6","1") = "9"
    & skf18("6","7","7","6","10","7","1") = "9"
    & skf18("6","7","7","6","10","8","1") = "9"
    & skf18("6","7","7","6","10","9","1") = "9"
    & skf18("6","7","7","6","10","10","1") = "9"
    & skf18("6","7","7","7","1","1","1") = "6"
    & skf18("6","7","7","7","1","2","1") = "6"
    & skf18("6","7","7","7","1","3","1") = "6"
    & skf18("6","7","7","7","1","4","1") = "6"
    & skf18("6","7","7","7","1","5","1") = "6"
    & skf18("6","7","7","7","1","6","1") = "6"
    & skf18("6","7","7","7","1","7","1") = "6"
    & skf18("6","7","7","7","1","8","1") = "7"
    & skf18("6","7","7","7","1","9","1") = "8"
    & skf18("6","7","7","7","1","10","1") = "9"
    & skf18("6","7","7","7","2","1","1") = "6"
    & skf18("6","7","7","7","2","2","1") = "6"
    & skf18("6","7","7","7","2","3","1") = "6"
    & skf18("6","7","7","7","2","4","1") = "6"
    & skf18("6","7","7","7","2","5","1") = "6"
    & skf18("6","7","7","7","2","6","1") = "6"
    & skf18("6","7","7","7","2","7","1") = "6"
    & skf18("6","7","7","7","2","8","1") = "7"
    & skf18("6","7","7","7","2","9","1") = "8"
    & skf18("6","7","7","7","2","10","1") = "9"
    & skf18("6","7","7","7","3","1","1") = "6"
    & skf18("6","7","7","7","3","2","1") = "6"
    & skf18("6","7","7","7","3","3","1") = "6"
    & skf18("6","7","7","7","3","4","1") = "6"
    & skf18("6","7","7","7","3","5","1") = "6"
    & skf18("6","7","7","7","3","6","1") = "6"
    & skf18("6","7","7","7","3","7","1") = "6"
    & skf18("6","7","7","7","3","8","1") = "7"
    & skf18("6","7","7","7","3","9","1") = "8"
    & skf18("6","7","7","7","3","10","1") = "9"
    & skf18("6","7","7","7","4","1","1") = "6"
    & skf18("6","7","7","7","4","2","1") = "6"
    & skf18("6","7","7","7","4","3","1") = "6"
    & skf18("6","7","7","7","4","4","1") = "6"
    & skf18("6","7","7","7","4","5","1") = "6"
    & skf18("6","7","7","7","4","6","1") = "6"
    & skf18("6","7","7","7","4","7","1") = "6"
    & skf18("6","7","7","7","4","8","1") = "7"
    & skf18("6","7","7","7","4","9","1") = "8"
    & skf18("6","7","7","7","4","10","1") = "9"
    & skf18("6","7","7","7","5","1","1") = "6"
    & skf18("6","7","7","7","5","2","1") = "6"
    & skf18("6","7","7","7","5","3","1") = "6"
    & skf18("6","7","7","7","5","4","1") = "6"
    & skf18("6","7","7","7","5","5","1") = "6"
    & skf18("6","7","7","7","5","6","1") = "6"
    & skf18("6","7","7","7","5","7","1") = "6"
    & skf18("6","7","7","7","5","8","1") = "7"
    & skf18("6","7","7","7","5","9","1") = "8"
    & skf18("6","7","7","7","5","10","1") = "9"
    & skf18("6","7","7","7","6","1","1") = "6"
    & skf18("6","7","7","7","6","2","1") = "6"
    & skf18("6","7","7","7","6","3","1") = "6"
    & skf18("6","7","7","7","6","4","1") = "6"
    & skf18("6","7","7","7","6","5","1") = "6"
    & skf18("6","7","7","7","6","6","1") = "6"
    & skf18("6","7","7","7","6","7","1") = "6"
    & skf18("6","7","7","7","6","8","1") = "7"
    & skf18("6","7","7","7","6","9","1") = "8"
    & skf18("6","7","7","7","6","10","1") = "9"
    & skf18("6","7","7","7","7","1","1") = "6"
    & skf18("6","7","7","7","7","2","1") = "6"
    & skf18("6","7","7","7","7","3","1") = "6"
    & skf18("6","7","7","7","7","4","1") = "6"
    & skf18("6","7","7","7","7","5","1") = "6"
    & skf18("6","7","7","7","7","6","1") = "6"
    & skf18("6","7","7","7","7","7","1") = "6"
    & skf18("6","7","7","7","7","8","1") = "7"
    & skf18("6","7","7","7","7","9","1") = "8"
    & skf18("6","7","7","7","7","10","1") = "9"
    & skf18("6","7","7","7","8","1","1") = "7"
    & skf18("6","7","7","7","8","2","1") = "7"
    & skf18("6","7","7","7","8","3","1") = "7"
    & skf18("6","7","7","7","8","4","1") = "7"
    & skf18("6","7","7","7","8","5","1") = "7"
    & skf18("6","7","7","7","8","6","1") = "7"
    & skf18("6","7","7","7","8","7","1") = "7"
    & skf18("6","7","7","7","8","8","1") = "7"
    & skf18("6","7","7","7","8","9","1") = "8"
    & skf18("6","7","7","7","8","10","1") = "9"
    & skf18("6","7","7","7","9","1","1") = "8"
    & skf18("6","7","7","7","9","2","1") = "8"
    & skf18("6","7","7","7","9","3","1") = "8"
    & skf18("6","7","7","7","9","4","1") = "8"
    & skf18("6","7","7","7","9","5","1") = "8"
    & skf18("6","7","7","7","9","6","1") = "8"
    & skf18("6","7","7","7","9","7","1") = "8"
    & skf18("6","7","7","7","9","8","1") = "8"
    & skf18("6","7","7","7","9","9","1") = "8"
    & skf18("6","7","7","7","9","10","1") = "9"
    & skf18("6","7","7","7","10","1","1") = "9"
    & skf18("6","7","7","7","10","2","1") = "9"
    & skf18("6","7","7","7","10","3","1") = "9"
    & skf18("6","7","7","7","10","4","1") = "9"
    & skf18("6","7","7","7","10","5","1") = "9"
    & skf18("6","7","7","7","10","6","1") = "9"
    & skf18("6","7","7","7","10","7","1") = "9"
    & skf18("6","7","7","7","10","8","1") = "9"
    & skf18("6","7","7","7","10","9","1") = "9"
    & skf18("6","7","7","7","10","10","1") = "9"
    & skf18("6","7","7","8","1","1","1") = "7"
    & skf18("6","7","7","8","1","2","1") = "7"
    & skf18("6","7","7","8","1","3","1") = "7"
    & skf18("6","7","7","8","1","4","1") = "7"
    & skf18("6","7","7","8","1","5","1") = "7"
    & skf18("6","7","7","8","1","6","1") = "7"
    & skf18("6","7","7","8","1","7","1") = "7"
    & skf18("6","7","7","8","1","8","1") = "7"
    & skf18("6","7","7","8","1","9","1") = "8"
    & skf18("6","7","7","8","1","10","1") = "9"
    & skf18("6","7","7","8","2","1","1") = "7"
    & skf18("6","7","7","8","2","2","1") = "7"
    & skf18("6","7","7","8","2","3","1") = "7"
    & skf18("6","7","7","8","2","4","1") = "7"
    & skf18("6","7","7","8","2","5","1") = "7"
    & skf18("6","7","7","8","2","6","1") = "7"
    & skf18("6","7","7","8","2","7","1") = "7"
    & skf18("6","7","7","8","2","8","1") = "7"
    & skf18("6","7","7","8","2","9","1") = "8"
    & skf18("6","7","7","8","2","10","1") = "9"
    & skf18("6","7","7","8","3","1","1") = "7"
    & skf18("6","7","7","8","3","2","1") = "7"
    & skf18("6","7","7","8","3","3","1") = "7"
    & skf18("6","7","7","8","3","4","1") = "7"
    & skf18("6","7","7","8","3","5","1") = "7"
    & skf18("6","7","7","8","3","6","1") = "7"
    & skf18("6","7","7","8","3","7","1") = "7"
    & skf18("6","7","7","8","3","8","1") = "7"
    & skf18("6","7","7","8","3","9","1") = "8"
    & skf18("6","7","7","8","3","10","1") = "9"
    & skf18("6","7","7","8","4","1","1") = "7"
    & skf18("6","7","7","8","4","2","1") = "7"
    & skf18("6","7","7","8","4","3","1") = "7"
    & skf18("6","7","7","8","4","4","1") = "7"
    & skf18("6","7","7","8","4","5","1") = "7"
    & skf18("6","7","7","8","4","6","1") = "7"
    & skf18("6","7","7","8","4","7","1") = "7"
    & skf18("6","7","7","8","4","8","1") = "7"
    & skf18("6","7","7","8","4","9","1") = "8"
    & skf18("6","7","7","8","4","10","1") = "9"
    & skf18("6","7","7","8","5","1","1") = "7"
    & skf18("6","7","7","8","5","2","1") = "7"
    & skf18("6","7","7","8","5","3","1") = "7"
    & skf18("6","7","7","8","5","4","1") = "7"
    & skf18("6","7","7","8","5","5","1") = "7"
    & skf18("6","7","7","8","5","6","1") = "7"
    & skf18("6","7","7","8","5","7","1") = "7"
    & skf18("6","7","7","8","5","8","1") = "7"
    & skf18("6","7","7","8","5","9","1") = "8"
    & skf18("6","7","7","8","5","10","1") = "9"
    & skf18("6","7","7","8","6","1","1") = "7"
    & skf18("6","7","7","8","6","2","1") = "7"
    & skf18("6","7","7","8","6","3","1") = "7"
    & skf18("6","7","7","8","6","4","1") = "7"
    & skf18("6","7","7","8","6","5","1") = "7"
    & skf18("6","7","7","8","6","6","1") = "7"
    & skf18("6","7","7","8","6","7","1") = "7"
    & skf18("6","7","7","8","6","8","1") = "7"
    & skf18("6","7","7","8","6","9","1") = "8"
    & skf18("6","7","7","8","6","10","1") = "9"
    & skf18("6","7","7","8","7","1","1") = "7"
    & skf18("6","7","7","8","7","2","1") = "7"
    & skf18("6","7","7","8","7","3","1") = "7"
    & skf18("6","7","7","8","7","4","1") = "7"
    & skf18("6","7","7","8","7","5","1") = "7"
    & skf18("6","7","7","8","7","6","1") = "7"
    & skf18("6","7","7","8","7","7","1") = "7"
    & skf18("6","7","7","8","7","8","1") = "7"
    & skf18("6","7","7","8","7","9","1") = "8"
    & skf18("6","7","7","8","7","10","1") = "9"
    & skf18("6","7","7","8","8","1","1") = "7"
    & skf18("6","7","7","8","8","2","1") = "7"
    & skf18("6","7","7","8","8","3","1") = "7"
    & skf18("6","7","7","8","8","4","1") = "7"
    & skf18("6","7","7","8","8","5","1") = "7"
    & skf18("6","7","7","8","8","6","1") = "7"
    & skf18("6","7","7","8","8","7","1") = "7"
    & skf18("6","7","7","8","8","8","1") = "7"
    & skf18("6","7","7","8","8","9","1") = "8"
    & skf18("6","7","7","8","8","10","1") = "9"
    & skf18("6","7","7","8","9","1","1") = "8"
    & skf18("6","7","7","8","9","2","1") = "8"
    & skf18("6","7","7","8","9","3","1") = "8"
    & skf18("6","7","7","8","9","4","1") = "8"
    & skf18("6","7","7","8","9","5","1") = "8"
    & skf18("6","7","7","8","9","6","1") = "8"
    & skf18("6","7","7","8","9","7","1") = "8"
    & skf18("6","7","7","8","9","8","1") = "8"
    & skf18("6","7","7","8","9","9","1") = "8"
    & skf18("6","7","7","8","9","10","1") = "9"
    & skf18("6","7","7","8","10","1","1") = "9"
    & skf18("6","7","7","8","10","2","1") = "9"
    & skf18("6","7","7","8","10","3","1") = "9"
    & skf18("6","7","7","8","10","4","1") = "9"
    & skf18("6","7","7","8","10","5","1") = "9"
    & skf18("6","7","7","8","10","6","1") = "9"
    & skf18("6","7","7","8","10","7","1") = "9"
    & skf18("6","7","7","8","10","8","1") = "9"
    & skf18("6","7","7","8","10","9","1") = "9"
    & skf18("6","7","7","8","10","10","1") = "9"
    & skf18("6","7","7","9","1","1","1") = "8"
    & skf18("6","7","7","9","1","2","1") = "8"
    & skf18("6","7","7","9","1","3","1") = "8"
    & skf18("6","7","7","9","1","4","1") = "8"
    & skf18("6","7","7","9","1","5","1") = "8"
    & skf18("6","7","7","9","1","6","1") = "8"
    & skf18("6","7","7","9","1","7","1") = "8"
    & skf18("6","7","7","9","1","8","1") = "8"
    & skf18("6","7","7","9","1","9","1") = "8"
    & skf18("6","7","7","9","1","10","1") = "9"
    & skf18("6","7","7","9","2","1","1") = "8"
    & skf18("6","7","7","9","2","2","1") = "8"
    & skf18("6","7","7","9","2","3","1") = "8"
    & skf18("6","7","7","9","2","4","1") = "8"
    & skf18("6","7","7","9","2","5","1") = "8"
    & skf18("6","7","7","9","2","6","1") = "8"
    & skf18("6","7","7","9","2","7","1") = "8"
    & skf18("6","7","7","9","2","8","1") = "8"
    & skf18("6","7","7","9","2","9","1") = "8"
    & skf18("6","7","7","9","2","10","1") = "9"
    & skf18("6","7","7","9","3","1","1") = "8"
    & skf18("6","7","7","9","3","2","1") = "8"
    & skf18("6","7","7","9","3","3","1") = "8"
    & skf18("6","7","7","9","3","4","1") = "8"
    & skf18("6","7","7","9","3","5","1") = "8"
    & skf18("6","7","7","9","3","6","1") = "8"
    & skf18("6","7","7","9","3","7","1") = "8"
    & skf18("6","7","7","9","3","8","1") = "8"
    & skf18("6","7","7","9","3","9","1") = "8"
    & skf18("6","7","7","9","3","10","1") = "9"
    & skf18("6","7","7","9","4","1","1") = "8"
    & skf18("6","7","7","9","4","2","1") = "8"
    & skf18("6","7","7","9","4","3","1") = "8"
    & skf18("6","7","7","9","4","4","1") = "8"
    & skf18("6","7","7","9","4","5","1") = "8"
    & skf18("6","7","7","9","4","6","1") = "8"
    & skf18("6","7","7","9","4","7","1") = "8"
    & skf18("6","7","7","9","4","8","1") = "8"
    & skf18("6","7","7","9","4","9","1") = "8"
    & skf18("6","7","7","9","4","10","1") = "9"
    & skf18("6","7","7","9","5","1","1") = "8"
    & skf18("6","7","7","9","5","2","1") = "8"
    & skf18("6","7","7","9","5","3","1") = "8"
    & skf18("6","7","7","9","5","4","1") = "8"
    & skf18("6","7","7","9","5","5","1") = "8"
    & skf18("6","7","7","9","5","6","1") = "8"
    & skf18("6","7","7","9","5","7","1") = "8"
    & skf18("6","7","7","9","5","8","1") = "8"
    & skf18("6","7","7","9","5","9","1") = "8"
    & skf18("6","7","7","9","5","10","1") = "9"
    & skf18("6","7","7","9","6","1","1") = "8"
    & skf18("6","7","7","9","6","2","1") = "8"
    & skf18("6","7","7","9","6","3","1") = "8"
    & skf18("6","7","7","9","6","4","1") = "8"
    & skf18("6","7","7","9","6","5","1") = "8"
    & skf18("6","7","7","9","6","6","1") = "8"
    & skf18("6","7","7","9","6","7","1") = "8"
    & skf18("6","7","7","9","6","8","1") = "8"
    & skf18("6","7","7","9","6","9","1") = "8"
    & skf18("6","7","7","9","6","10","1") = "9"
    & skf18("6","7","7","9","7","1","1") = "8"
    & skf18("6","7","7","9","7","2","1") = "8"
    & skf18("6","7","7","9","7","3","1") = "8"
    & skf18("6","7","7","9","7","4","1") = "8"
    & skf18("6","7","7","9","7","5","1") = "8"
    & skf18("6","7","7","9","7","6","1") = "8"
    & skf18("6","7","7","9","7","7","1") = "8"
    & skf18("6","7","7","9","7","8","1") = "8"
    & skf18("6","7","7","9","7","9","1") = "8"
    & skf18("6","7","7","9","7","10","1") = "9"
    & skf18("6","7","7","9","8","1","1") = "8"
    & skf18("6","7","7","9","8","2","1") = "8"
    & skf18("6","7","7","9","8","3","1") = "8"
    & skf18("6","7","7","9","8","4","1") = "8"
    & skf18("6","7","7","9","8","5","1") = "8"
    & skf18("6","7","7","9","8","6","1") = "8"
    & skf18("6","7","7","9","8","7","1") = "8"
    & skf18("6","7","7","9","8","8","1") = "8"
    & skf18("6","7","7","9","8","9","1") = "8"
    & skf18("6","7","7","9","8","10","1") = "9"
    & skf18("6","7","7","9","9","1","1") = "8"
    & skf18("6","7","7","9","9","2","1") = "8"
    & skf18("6","7","7","9","9","3","1") = "8"
    & skf18("6","7","7","9","9","4","1") = "8"
    & skf18("6","7","7","9","9","5","1") = "8"
    & skf18("6","7","7","9","9","6","1") = "8"
    & skf18("6","7","7","9","9","7","1") = "8"
    & skf18("6","7","7","9","9","8","1") = "8"
    & skf18("6","7","7","9","9","9","1") = "8"
    & skf18("6","7","7","9","9","10","1") = "9"
    & skf18("6","7","7","9","10","1","1") = "9"
    & skf18("6","7","7","9","10","2","1") = "9"
    & skf18("6","7","7","9","10","3","1") = "9"
    & skf18("6","7","7","9","10","4","1") = "9"
    & skf18("6","7","7","9","10","5","1") = "9"
    & skf18("6","7","7","9","10","6","1") = "9"
    & skf18("6","7","7","9","10","7","1") = "9"
    & skf18("6","7","7","9","10","8","1") = "9"
    & skf18("6","7","7","9","10","9","1") = "9"
    & skf18("6","7","7","9","10","10","1") = "9"
    & skf18("6","7","7","10","1","1","1") = "9"
    & skf18("6","7","7","10","1","2","1") = "9"
    & skf18("6","7","7","10","1","3","1") = "9"
    & skf18("6","7","7","10","1","4","1") = "9"
    & skf18("6","7","7","10","1","5","1") = "9"
    & skf18("6","7","7","10","1","6","1") = "9"
    & skf18("6","7","7","10","1","7","1") = "9"
    & skf18("6","7","7","10","1","8","1") = "9"
    & skf18("6","7","7","10","1","9","1") = "9"
    & skf18("6","7","7","10","1","10","1") = "9"
    & skf18("6","7","7","10","2","1","1") = "9"
    & skf18("6","7","7","10","2","2","1") = "9"
    & skf18("6","7","7","10","2","3","1") = "9"
    & skf18("6","7","7","10","2","4","1") = "9"
    & skf18("6","7","7","10","2","5","1") = "9"
    & skf18("6","7","7","10","2","6","1") = "9"
    & skf18("6","7","7","10","2","7","1") = "9"
    & skf18("6","7","7","10","2","8","1") = "9"
    & skf18("6","7","7","10","2","9","1") = "9"
    & skf18("6","7","7","10","2","10","1") = "9"
    & skf18("6","7","7","10","3","1","1") = "9"
    & skf18("6","7","7","10","3","2","1") = "9"
    & skf18("6","7","7","10","3","3","1") = "9"
    & skf18("6","7","7","10","3","4","1") = "9"
    & skf18("6","7","7","10","3","5","1") = "9"
    & skf18("6","7","7","10","3","6","1") = "9"
    & skf18("6","7","7","10","3","7","1") = "9"
    & skf18("6","7","7","10","3","8","1") = "9"
    & skf18("6","7","7","10","3","9","1") = "9"
    & skf18("6","7","7","10","3","10","1") = "9"
    & skf18("6","7","7","10","4","1","1") = "9"
    & skf18("6","7","7","10","4","2","1") = "9"
    & skf18("6","7","7","10","4","3","1") = "9"
    & skf18("6","7","7","10","4","4","1") = "9"
    & skf18("6","7","7","10","4","5","1") = "9"
    & skf18("6","7","7","10","4","6","1") = "9"
    & skf18("6","7","7","10","4","7","1") = "9"
    & skf18("6","7","7","10","4","8","1") = "9"
    & skf18("6","7","7","10","4","9","1") = "9"
    & skf18("6","7","7","10","4","10","1") = "9"
    & skf18("6","7","7","10","5","1","1") = "9"
    & skf18("6","7","7","10","5","2","1") = "9"
    & skf18("6","7","7","10","5","3","1") = "9"
    & skf18("6","7","7","10","5","4","1") = "9"
    & skf18("6","7","7","10","5","5","1") = "9"
    & skf18("6","7","7","10","5","6","1") = "9"
    & skf18("6","7","7","10","5","7","1") = "9"
    & skf18("6","7","7","10","5","8","1") = "9"
    & skf18("6","7","7","10","5","9","1") = "9"
    & skf18("6","7","7","10","5","10","1") = "9"
    & skf18("6","7","7","10","6","1","1") = "9"
    & skf18("6","7","7","10","6","2","1") = "9"
    & skf18("6","7","7","10","6","3","1") = "9"
    & skf18("6","7","7","10","6","4","1") = "9"
    & skf18("6","7","7","10","6","5","1") = "9"
    & skf18("6","7","7","10","6","6","1") = "9"
    & skf18("6","7","7","10","6","7","1") = "9"
    & skf18("6","7","7","10","6","8","1") = "9"
    & skf18("6","7","7","10","6","9","1") = "9"
    & skf18("6","7","7","10","6","10","1") = "9"
    & skf18("6","7","7","10","7","1","1") = "9"
    & skf18("6","7","7","10","7","2","1") = "9"
    & skf18("6","7","7","10","7","3","1") = "9"
    & skf18("6","7","7","10","7","4","1") = "9"
    & skf18("6","7","7","10","7","5","1") = "9"
    & skf18("6","7","7","10","7","6","1") = "9"
    & skf18("6","7","7","10","7","7","1") = "9"
    & skf18("6","7","7","10","7","8","1") = "9"
    & skf18("6","7","7","10","7","9","1") = "9"
    & skf18("6","7","7","10","7","10","1") = "9"
    & skf18("6","7","7","10","8","1","1") = "9"
    & skf18("6","7","7","10","8","2","1") = "9"
    & skf18("6","7","7","10","8","3","1") = "9"
    & skf18("6","7","7","10","8","4","1") = "9"
    & skf18("6","7","7","10","8","5","1") = "9"
    & skf18("6","7","7","10","8","6","1") = "9"
    & skf18("6","7","7","10","8","7","1") = "9"
    & skf18("6","7","7","10","8","8","1") = "9"
    & skf18("6","7","7","10","8","9","1") = "9"
    & skf18("6","7","7","10","8","10","1") = "9"
    & skf18("6","7","7","10","9","1","1") = "9"
    & skf18("6","7","7","10","9","2","1") = "9"
    & skf18("6","7","7","10","9","3","1") = "9"
    & skf18("6","7","7","10","9","4","1") = "9"
    & skf18("6","7","7","10","9","5","1") = "9"
    & skf18("6","7","7","10","9","6","1") = "9"
    & skf18("6","7","7","10","9","7","1") = "9"
    & skf18("6","7","7","10","9","8","1") = "9"
    & skf18("6","7","7","10","9","9","1") = "9"
    & skf18("6","7","7","10","9","10","1") = "9"
    & skf18("6","7","7","10","10","1","1") = "9"
    & skf18("6","7","7","10","10","2","1") = "9"
    & skf18("6","7","7","10","10","3","1") = "9"
    & skf18("6","7","7","10","10","4","1") = "9"
    & skf18("6","7","7","10","10","5","1") = "9"
    & skf18("6","7","7","10","10","6","1") = "9"
    & skf18("6","7","7","10","10","7","1") = "9"
    & skf18("6","7","7","10","10","8","1") = "9"
    & skf18("6","7","7","10","10","9","1") = "9"
    & skf18("6","7","7","10","10","10","1") = "9"
    & skf18("6","7","8","1","1","1","1") = "7"
    & skf18("6","7","8","1","1","2","1") = "7"
    & skf18("6","7","8","1","1","3","1") = "7"
    & skf18("6","7","8","1","1","4","1") = "7"
    & skf18("6","7","8","1","1","5","1") = "7"
    & skf18("6","7","8","1","1","6","1") = "7"
    & skf18("6","7","8","1","1","7","1") = "7"
    & skf18("6","7","8","1","1","8","1") = "7"
    & skf18("6","7","8","1","1","9","1") = "8"
    & skf18("6","7","8","1","1","10","1") = "9"
    & skf18("6","7","8","1","2","1","1") = "7"
    & skf18("6","7","8","1","2","2","1") = "7"
    & skf18("6","7","8","1","2","3","1") = "7"
    & skf18("6","7","8","1","2","4","1") = "7"
    & skf18("6","7","8","1","2","5","1") = "7"
    & skf18("6","7","8","1","2","6","1") = "7"
    & skf18("6","7","8","1","2","7","1") = "7"
    & skf18("6","7","8","1","2","8","1") = "7"
    & skf18("6","7","8","1","2","9","1") = "8"
    & skf18("6","7","8","1","2","10","1") = "9"
    & skf18("6","7","8","1","3","1","1") = "7"
    & skf18("6","7","8","1","3","2","1") = "7"
    & skf18("6","7","8","1","3","3","1") = "7"
    & skf18("6","7","8","1","3","4","1") = "7"
    & skf18("6","7","8","1","3","5","1") = "7"
    & skf18("6","7","8","1","3","6","1") = "7"
    & skf18("6","7","8","1","3","7","1") = "7"
    & skf18("6","7","8","1","3","8","1") = "7"
    & skf18("6","7","8","1","3","9","1") = "8"
    & skf18("6","7","8","1","3","10","1") = "9"
    & skf18("6","7","8","1","4","1","1") = "7"
    & skf18("6","7","8","1","4","2","1") = "7"
    & skf18("6","7","8","1","4","3","1") = "7"
    & skf18("6","7","8","1","4","4","1") = "7"
    & skf18("6","7","8","1","4","5","1") = "7"
    & skf18("6","7","8","1","4","6","1") = "7"
    & skf18("6","7","8","1","4","7","1") = "7"
    & skf18("6","7","8","1","4","8","1") = "7"
    & skf18("6","7","8","1","4","9","1") = "8"
    & skf18("6","7","8","1","4","10","1") = "9"
    & skf18("6","7","8","1","5","1","1") = "7"
    & skf18("6","7","8","1","5","2","1") = "7"
    & skf18("6","7","8","1","5","3","1") = "7"
    & skf18("6","7","8","1","5","4","1") = "7"
    & skf18("6","7","8","1","5","5","1") = "7"
    & skf18("6","7","8","1","5","6","1") = "7"
    & skf18("6","7","8","1","5","7","1") = "7"
    & skf18("6","7","8","1","5","8","1") = "7"
    & skf18("6","7","8","1","5","9","1") = "8"
    & skf18("6","7","8","1","5","10","1") = "9"
    & skf18("6","7","8","1","6","1","1") = "7"
    & skf18("6","7","8","1","6","2","1") = "7"
    & skf18("6","7","8","1","6","3","1") = "7"
    & skf18("6","7","8","1","6","4","1") = "7"
    & skf18("6","7","8","1","6","5","1") = "7"
    & skf18("6","7","8","1","6","6","1") = "7"
    & skf18("6","7","8","1","6","7","1") = "7"
    & skf18("6","7","8","1","6","8","1") = "7"
    & skf18("6","7","8","1","6","9","1") = "8"
    & skf18("6","7","8","1","6","10","1") = "9"
    & skf18("6","7","8","1","7","1","1") = "7"
    & skf18("6","7","8","1","7","2","1") = "7"
    & skf18("6","7","8","1","7","3","1") = "7"
    & skf18("6","7","8","1","7","4","1") = "7"
    & skf18("6","7","8","1","7","5","1") = "7"
    & skf18("6","7","8","1","7","6","1") = "7"
    & skf18("6","7","8","1","7","7","1") = "7"
    & skf18("6","7","8","1","7","8","1") = "7"
    & skf18("6","7","8","1","7","9","1") = "8"
    & skf18("6","7","8","1","7","10","1") = "9"
    & skf18("6","7","8","1","8","1","1") = "7"
    & skf18("6","7","8","1","8","2","1") = "7"
    & skf18("6","7","8","1","8","3","1") = "7"
    & skf18("6","7","8","1","8","4","1") = "7"
    & skf18("6","7","8","1","8","5","1") = "7"
    & skf18("6","7","8","1","8","6","1") = "7"
    & skf18("6","7","8","1","8","7","1") = "7"
    & skf18("6","7","8","1","8","8","1") = "7"
    & skf18("6","7","8","1","8","9","1") = "8"
    & skf18("6","7","8","1","8","10","1") = "9"
    & skf18("6","7","8","1","9","1","1") = "8"
    & skf18("6","7","8","1","9","2","1") = "8"
    & skf18("6","7","8","1","9","3","1") = "8"
    & skf18("6","7","8","1","9","4","1") = "8"
    & skf18("6","7","8","1","9","5","1") = "8"
    & skf18("6","7","8","1","9","6","1") = "8"
    & skf18("6","7","8","1","9","7","1") = "8"
    & skf18("6","7","8","1","9","8","1") = "8"
    & skf18("6","7","8","1","9","9","1") = "8"
    & skf18("6","7","8","1","9","10","1") = "9"
    & skf18("6","7","8","1","10","1","1") = "9"
    & skf18("6","7","8","1","10","2","1") = "9"
    & skf18("6","7","8","1","10","3","1") = "9"
    & skf18("6","7","8","1","10","4","1") = "9"
    & skf18("6","7","8","1","10","5","1") = "9"
    & skf18("6","7","8","1","10","6","1") = "9"
    & skf18("6","7","8","1","10","7","1") = "9"
    & skf18("6","7","8","1","10","8","1") = "9"
    & skf18("6","7","8","1","10","9","1") = "9"
    & skf18("6","7","8","1","10","10","1") = "9"
    & skf18("6","7","8","2","1","1","1") = "7"
    & skf18("6","7","8","2","1","2","1") = "7"
    & skf18("6","7","8","2","1","3","1") = "7"
    & skf18("6","7","8","2","1","4","1") = "7"
    & skf18("6","7","8","2","1","5","1") = "7"
    & skf18("6","7","8","2","1","6","1") = "7"
    & skf18("6","7","8","2","1","7","1") = "7"
    & skf18("6","7","8","2","1","8","1") = "7"
    & skf18("6","7","8","2","1","9","1") = "8"
    & skf18("6","7","8","2","1","10","1") = "9"
    & skf18("6","7","8","2","2","1","1") = "7"
    & skf18("6","7","8","2","2","2","1") = "7"
    & skf18("6","7","8","2","2","3","1") = "7"
    & skf18("6","7","8","2","2","4","1") = "7"
    & skf18("6","7","8","2","2","5","1") = "7"
    & skf18("6","7","8","2","2","6","1") = "7"
    & skf18("6","7","8","2","2","7","1") = "7"
    & skf18("6","7","8","2","2","8","1") = "7"
    & skf18("6","7","8","2","2","9","1") = "8"
    & skf18("6","7","8","2","2","10","1") = "9"
    & skf18("6","7","8","2","3","1","1") = "7"
    & skf18("6","7","8","2","3","2","1") = "7"
    & skf18("6","7","8","2","3","3","1") = "7"
    & skf18("6","7","8","2","3","4","1") = "7"
    & skf18("6","7","8","2","3","5","1") = "7"
    & skf18("6","7","8","2","3","6","1") = "7"
    & skf18("6","7","8","2","3","7","1") = "7"
    & skf18("6","7","8","2","3","8","1") = "7"
    & skf18("6","7","8","2","3","9","1") = "8"
    & skf18("6","7","8","2","3","10","1") = "9"
    & skf18("6","7","8","2","4","1","1") = "7"
    & skf18("6","7","8","2","4","2","1") = "7"
    & skf18("6","7","8","2","4","3","1") = "7"
    & skf18("6","7","8","2","4","4","1") = "7"
    & skf18("6","7","8","2","4","5","1") = "7"
    & skf18("6","7","8","2","4","6","1") = "7"
    & skf18("6","7","8","2","4","7","1") = "7"
    & skf18("6","7","8","2","4","8","1") = "7"
    & skf18("6","7","8","2","4","9","1") = "8"
    & skf18("6","7","8","2","4","10","1") = "9"
    & skf18("6","7","8","2","5","1","1") = "7"
    & skf18("6","7","8","2","5","2","1") = "7"
    & skf18("6","7","8","2","5","3","1") = "7"
    & skf18("6","7","8","2","5","4","1") = "7"
    & skf18("6","7","8","2","5","5","1") = "7"
    & skf18("6","7","8","2","5","6","1") = "7"
    & skf18("6","7","8","2","5","7","1") = "7"
    & skf18("6","7","8","2","5","8","1") = "7"
    & skf18("6","7","8","2","5","9","1") = "8"
    & skf18("6","7","8","2","5","10","1") = "9"
    & skf18("6","7","8","2","6","1","1") = "7"
    & skf18("6","7","8","2","6","2","1") = "7"
    & skf18("6","7","8","2","6","3","1") = "7"
    & skf18("6","7","8","2","6","4","1") = "7"
    & skf18("6","7","8","2","6","5","1") = "7"
    & skf18("6","7","8","2","6","6","1") = "7"
    & skf18("6","7","8","2","6","7","1") = "7"
    & skf18("6","7","8","2","6","8","1") = "7"
    & skf18("6","7","8","2","6","9","1") = "8"
    & skf18("6","7","8","2","6","10","1") = "9"
    & skf18("6","7","8","2","7","1","1") = "7"
    & skf18("6","7","8","2","7","2","1") = "7"
    & skf18("6","7","8","2","7","3","1") = "7"
    & skf18("6","7","8","2","7","4","1") = "7"
    & skf18("6","7","8","2","7","5","1") = "7"
    & skf18("6","7","8","2","7","6","1") = "7"
    & skf18("6","7","8","2","7","7","1") = "7"
    & skf18("6","7","8","2","7","8","1") = "7"
    & skf18("6","7","8","2","7","9","1") = "8"
    & skf18("6","7","8","2","7","10","1") = "9"
    & skf18("6","7","8","2","8","1","1") = "7"
    & skf18("6","7","8","2","8","2","1") = "7"
    & skf18("6","7","8","2","8","3","1") = "7"
    & skf18("6","7","8","2","8","4","1") = "7"
    & skf18("6","7","8","2","8","5","1") = "7"
    & skf18("6","7","8","2","8","6","1") = "7"
    & skf18("6","7","8","2","8","7","1") = "7"
    & skf18("6","7","8","2","8","8","1") = "7"
    & skf18("6","7","8","2","8","9","1") = "8"
    & skf18("6","7","8","2","8","10","1") = "9"
    & skf18("6","7","8","2","9","1","1") = "8"
    & skf18("6","7","8","2","9","2","1") = "8"
    & skf18("6","7","8","2","9","3","1") = "8"
    & skf18("6","7","8","2","9","4","1") = "8"
    & skf18("6","7","8","2","9","5","1") = "8"
    & skf18("6","7","8","2","9","6","1") = "8"
    & skf18("6","7","8","2","9","7","1") = "8"
    & skf18("6","7","8","2","9","8","1") = "8"
    & skf18("6","7","8","2","9","9","1") = "8"
    & skf18("6","7","8","2","9","10","1") = "9"
    & skf18("6","7","8","2","10","1","1") = "9"
    & skf18("6","7","8","2","10","2","1") = "9"
    & skf18("6","7","8","2","10","3","1") = "9"
    & skf18("6","7","8","2","10","4","1") = "9"
    & skf18("6","7","8","2","10","5","1") = "9"
    & skf18("6","7","8","2","10","6","1") = "9"
    & skf18("6","7","8","2","10","7","1") = "9"
    & skf18("6","7","8","2","10","8","1") = "9"
    & skf18("6","7","8","2","10","9","1") = "9"
    & skf18("6","7","8","2","10","10","1") = "9"
    & skf18("6","7","8","3","1","1","1") = "7"
    & skf18("6","7","8","3","1","2","1") = "7"
    & skf18("6","7","8","3","1","3","1") = "7"
    & skf18("6","7","8","3","1","4","1") = "7"
    & skf18("6","7","8","3","1","5","1") = "7"
    & skf18("6","7","8","3","1","6","1") = "7"
    & skf18("6","7","8","3","1","7","1") = "7"
    & skf18("6","7","8","3","1","8","1") = "7"
    & skf18("6","7","8","3","1","9","1") = "8"
    & skf18("6","7","8","3","1","10","1") = "9"
    & skf18("6","7","8","3","2","1","1") = "7"
    & skf18("6","7","8","3","2","2","1") = "7"
    & skf18("6","7","8","3","2","3","1") = "7"
    & skf18("6","7","8","3","2","4","1") = "7"
    & skf18("6","7","8","3","2","5","1") = "7"
    & skf18("6","7","8","3","2","6","1") = "7"
    & skf18("6","7","8","3","2","7","1") = "7"
    & skf18("6","7","8","3","2","8","1") = "7"
    & skf18("6","7","8","3","2","9","1") = "8"
    & skf18("6","7","8","3","2","10","1") = "9"
    & skf18("6","7","8","3","3","1","1") = "7"
    & skf18("6","7","8","3","3","2","1") = "7"
    & skf18("6","7","8","3","3","3","1") = "7"
    & skf18("6","7","8","3","3","4","1") = "7"
    & skf18("6","7","8","3","3","5","1") = "7"
    & skf18("6","7","8","3","3","6","1") = "7"
    & skf18("6","7","8","3","3","7","1") = "7"
    & skf18("6","7","8","3","3","8","1") = "7"
    & skf18("6","7","8","3","3","9","1") = "8"
    & skf18("6","7","8","3","3","10","1") = "9"
    & skf18("6","7","8","3","4","1","1") = "7"
    & skf18("6","7","8","3","4","2","1") = "7"
    & skf18("6","7","8","3","4","3","1") = "7"
    & skf18("6","7","8","3","4","4","1") = "7"
    & skf18("6","7","8","3","4","5","1") = "7"
    & skf18("6","7","8","3","4","6","1") = "7"
    & skf18("6","7","8","3","4","7","1") = "7"
    & skf18("6","7","8","3","4","8","1") = "7"
    & skf18("6","7","8","3","4","9","1") = "8"
    & skf18("6","7","8","3","4","10","1") = "9"
    & skf18("6","7","8","3","5","1","1") = "7"
    & skf18("6","7","8","3","5","2","1") = "7"
    & skf18("6","7","8","3","5","3","1") = "7"
    & skf18("6","7","8","3","5","4","1") = "7"
    & skf18("6","7","8","3","5","5","1") = "7"
    & skf18("6","7","8","3","5","6","1") = "7"
    & skf18("6","7","8","3","5","7","1") = "7"
    & skf18("6","7","8","3","5","8","1") = "7"
    & skf18("6","7","8","3","5","9","1") = "8"
    & skf18("6","7","8","3","5","10","1") = "9"
    & skf18("6","7","8","3","6","1","1") = "7"
    & skf18("6","7","8","3","6","2","1") = "7"
    & skf18("6","7","8","3","6","3","1") = "7"
    & skf18("6","7","8","3","6","4","1") = "7"
    & skf18("6","7","8","3","6","5","1") = "7"
    & skf18("6","7","8","3","6","6","1") = "7"
    & skf18("6","7","8","3","6","7","1") = "7"
    & skf18("6","7","8","3","6","8","1") = "7"
    & skf18("6","7","8","3","6","9","1") = "8"
    & skf18("6","7","8","3","6","10","1") = "9"
    & skf18("6","7","8","3","7","1","1") = "7"
    & skf18("6","7","8","3","7","2","1") = "7"
    & skf18("6","7","8","3","7","3","1") = "7"
    & skf18("6","7","8","3","7","4","1") = "7"
    & skf18("6","7","8","3","7","5","1") = "7"
    & skf18("6","7","8","3","7","6","1") = "7"
    & skf18("6","7","8","3","7","7","1") = "7"
    & skf18("6","7","8","3","7","8","1") = "7"
    & skf18("6","7","8","3","7","9","1") = "8"
    & skf18("6","7","8","3","7","10","1") = "9"
    & skf18("6","7","8","3","8","1","1") = "7"
    & skf18("6","7","8","3","8","2","1") = "7"
    & skf18("6","7","8","3","8","3","1") = "7"
    & skf18("6","7","8","3","8","4","1") = "7"
    & skf18("6","7","8","3","8","5","1") = "7"
    & skf18("6","7","8","3","8","6","1") = "7"
    & skf18("6","7","8","3","8","7","1") = "7"
    & skf18("6","7","8","3","8","8","1") = "7"
    & skf18("6","7","8","3","8","9","1") = "8"
    & skf18("6","7","8","3","8","10","1") = "9"
    & skf18("6","7","8","3","9","1","1") = "8"
    & skf18("6","7","8","3","9","2","1") = "8"
    & skf18("6","7","8","3","9","3","1") = "8"
    & skf18("6","7","8","3","9","4","1") = "8"
    & skf18("6","7","8","3","9","5","1") = "8"
    & skf18("6","7","8","3","9","6","1") = "8"
    & skf18("6","7","8","3","9","7","1") = "8"
    & skf18("6","7","8","3","9","8","1") = "8"
    & skf18("6","7","8","3","9","9","1") = "8"
    & skf18("6","7","8","3","9","10","1") = "9"
    & skf18("6","7","8","3","10","1","1") = "9"
    & skf18("6","7","8","3","10","2","1") = "9"
    & skf18("6","7","8","3","10","3","1") = "9"
    & skf18("6","7","8","3","10","4","1") = "9"
    & skf18("6","7","8","3","10","5","1") = "9"
    & skf18("6","7","8","3","10","6","1") = "9"
    & skf18("6","7","8","3","10","7","1") = "9"
    & skf18("6","7","8","3","10","8","1") = "9"
    & skf18("6","7","8","3","10","9","1") = "9"
    & skf18("6","7","8","3","10","10","1") = "9"
    & skf18("6","7","8","4","1","1","1") = "7"
    & skf18("6","7","8","4","1","2","1") = "7"
    & skf18("6","7","8","4","1","3","1") = "7"
    & skf18("6","7","8","4","1","4","1") = "7"
    & skf18("6","7","8","4","1","5","1") = "7"
    & skf18("6","7","8","4","1","6","1") = "7"
    & skf18("6","7","8","4","1","7","1") = "7"
    & skf18("6","7","8","4","1","8","1") = "7"
    & skf18("6","7","8","4","1","9","1") = "8"
    & skf18("6","7","8","4","1","10","1") = "9"
    & skf18("6","7","8","4","2","1","1") = "7"
    & skf18("6","7","8","4","2","2","1") = "7"
    & skf18("6","7","8","4","2","3","1") = "7"
    & skf18("6","7","8","4","2","4","1") = "7"
    & skf18("6","7","8","4","2","5","1") = "7"
    & skf18("6","7","8","4","2","6","1") = "7"
    & skf18("6","7","8","4","2","7","1") = "7"
    & skf18("6","7","8","4","2","8","1") = "7"
    & skf18("6","7","8","4","2","9","1") = "8"
    & skf18("6","7","8","4","2","10","1") = "9"
    & skf18("6","7","8","4","3","1","1") = "7"
    & skf18("6","7","8","4","3","2","1") = "7"
    & skf18("6","7","8","4","3","3","1") = "7"
    & skf18("6","7","8","4","3","4","1") = "7"
    & skf18("6","7","8","4","3","5","1") = "7"
    & skf18("6","7","8","4","3","6","1") = "7"
    & skf18("6","7","8","4","3","7","1") = "7"
    & skf18("6","7","8","4","3","8","1") = "7"
    & skf18("6","7","8","4","3","9","1") = "8"
    & skf18("6","7","8","4","3","10","1") = "9"
    & skf18("6","7","8","4","4","1","1") = "7"
    & skf18("6","7","8","4","4","2","1") = "7"
    & skf18("6","7","8","4","4","3","1") = "7"
    & skf18("6","7","8","4","4","4","1") = "7"
    & skf18("6","7","8","4","4","5","1") = "7"
    & skf18("6","7","8","4","4","6","1") = "7"
    & skf18("6","7","8","4","4","7","1") = "7"
    & skf18("6","7","8","4","4","8","1") = "7"
    & skf18("6","7","8","4","4","9","1") = "8"
    & skf18("6","7","8","4","4","10","1") = "9"
    & skf18("6","7","8","4","5","1","1") = "7"
    & skf18("6","7","8","4","5","2","1") = "7"
    & skf18("6","7","8","4","5","3","1") = "7"
    & skf18("6","7","8","4","5","4","1") = "7"
    & skf18("6","7","8","4","5","5","1") = "7"
    & skf18("6","7","8","4","5","6","1") = "7"
    & skf18("6","7","8","4","5","7","1") = "7"
    & skf18("6","7","8","4","5","8","1") = "7"
    & skf18("6","7","8","4","5","9","1") = "8"
    & skf18("6","7","8","4","5","10","1") = "9"
    & skf18("6","7","8","4","6","1","1") = "7"
    & skf18("6","7","8","4","6","2","1") = "7"
    & skf18("6","7","8","4","6","3","1") = "7"
    & skf18("6","7","8","4","6","4","1") = "7"
    & skf18("6","7","8","4","6","5","1") = "7"
    & skf18("6","7","8","4","6","6","1") = "7"
    & skf18("6","7","8","4","6","7","1") = "7"
    & skf18("6","7","8","4","6","8","1") = "7"
    & skf18("6","7","8","4","6","9","1") = "8"
    & skf18("6","7","8","4","6","10","1") = "9"
    & skf18("6","7","8","4","7","1","1") = "7"
    & skf18("6","7","8","4","7","2","1") = "7"
    & skf18("6","7","8","4","7","3","1") = "7"
    & skf18("6","7","8","4","7","4","1") = "7"
    & skf18("6","7","8","4","7","5","1") = "7"
    & skf18("6","7","8","4","7","6","1") = "7"
    & skf18("6","7","8","4","7","7","1") = "7"
    & skf18("6","7","8","4","7","8","1") = "7"
    & skf18("6","7","8","4","7","9","1") = "8"
    & skf18("6","7","8","4","7","10","1") = "9"
    & skf18("6","7","8","4","8","1","1") = "7"
    & skf18("6","7","8","4","8","2","1") = "7"
    & skf18("6","7","8","4","8","3","1") = "7"
    & skf18("6","7","8","4","8","4","1") = "7"
    & skf18("6","7","8","4","8","5","1") = "7"
    & skf18("6","7","8","4","8","6","1") = "7"
    & skf18("6","7","8","4","8","7","1") = "7"
    & skf18("6","7","8","4","8","8","1") = "7"
    & skf18("6","7","8","4","8","9","1") = "8"
    & skf18("6","7","8","4","8","10","1") = "9"
    & skf18("6","7","8","4","9","1","1") = "8"
    & skf18("6","7","8","4","9","2","1") = "8"
    & skf18("6","7","8","4","9","3","1") = "8"
    & skf18("6","7","8","4","9","4","1") = "8"
    & skf18("6","7","8","4","9","5","1") = "8"
    & skf18("6","7","8","4","9","6","1") = "8"
    & skf18("6","7","8","4","9","7","1") = "8"
    & skf18("6","7","8","4","9","8","1") = "8"
    & skf18("6","7","8","4","9","9","1") = "8"
    & skf18("6","7","8","4","9","10","1") = "9"
    & skf18("6","7","8","4","10","1","1") = "9"
    & skf18("6","7","8","4","10","2","1") = "9"
    & skf18("6","7","8","4","10","3","1") = "9"
    & skf18("6","7","8","4","10","4","1") = "9"
    & skf18("6","7","8","4","10","5","1") = "9"
    & skf18("6","7","8","4","10","6","1") = "9"
    & skf18("6","7","8","4","10","7","1") = "9"
    & skf18("6","7","8","4","10","8","1") = "9"
    & skf18("6","7","8","4","10","9","1") = "9"
    & skf18("6","7","8","4","10","10","1") = "9"
    & skf18("6","7","8","5","1","1","1") = "7"
    & skf18("6","7","8","5","1","2","1") = "7"
    & skf18("6","7","8","5","1","3","1") = "7"
    & skf18("6","7","8","5","1","4","1") = "7"
    & skf18("6","7","8","5","1","5","1") = "7"
    & skf18("6","7","8","5","1","6","1") = "7"
    & skf18("6","7","8","5","1","7","1") = "7"
    & skf18("6","7","8","5","1","8","1") = "7"
    & skf18("6","7","8","5","1","9","1") = "8"
    & skf18("6","7","8","5","1","10","1") = "9"
    & skf18("6","7","8","5","2","1","1") = "7"
    & skf18("6","7","8","5","2","2","1") = "7"
    & skf18("6","7","8","5","2","3","1") = "7"
    & skf18("6","7","8","5","2","4","1") = "7"
    & skf18("6","7","8","5","2","5","1") = "7"
    & skf18("6","7","8","5","2","6","1") = "7"
    & skf18("6","7","8","5","2","7","1") = "7"
    & skf18("6","7","8","5","2","8","1") = "7"
    & skf18("6","7","8","5","2","9","1") = "8"
    & skf18("6","7","8","5","2","10","1") = "9"
    & skf18("6","7","8","5","3","1","1") = "7"
    & skf18("6","7","8","5","3","2","1") = "7"
    & skf18("6","7","8","5","3","3","1") = "7"
    & skf18("6","7","8","5","3","4","1") = "7"
    & skf18("6","7","8","5","3","5","1") = "7"
    & skf18("6","7","8","5","3","6","1") = "7"
    & skf18("6","7","8","5","3","7","1") = "7"
    & skf18("6","7","8","5","3","8","1") = "7"
    & skf18("6","7","8","5","3","9","1") = "8"
    & skf18("6","7","8","5","3","10","1") = "9"
    & skf18("6","7","8","5","4","1","1") = "7"
    & skf18("6","7","8","5","4","2","1") = "7"
    & skf18("6","7","8","5","4","3","1") = "7"
    & skf18("6","7","8","5","4","4","1") = "7"
    & skf18("6","7","8","5","4","5","1") = "7"
    & skf18("6","7","8","5","4","6","1") = "7"
    & skf18("6","7","8","5","4","7","1") = "7"
    & skf18("6","7","8","5","4","8","1") = "7"
    & skf18("6","7","8","5","4","9","1") = "8"
    & skf18("6","7","8","5","4","10","1") = "9"
    & skf18("6","7","8","5","5","1","1") = "7"
    & skf18("6","7","8","5","5","2","1") = "7"
    & skf18("6","7","8","5","5","3","1") = "7"
    & skf18("6","7","8","5","5","4","1") = "7"
    & skf18("6","7","8","5","5","5","1") = "7"
    & skf18("6","7","8","5","5","6","1") = "7"
    & skf18("6","7","8","5","5","7","1") = "7"
    & skf18("6","7","8","5","5","8","1") = "7"
    & skf18("6","7","8","5","5","9","1") = "8"
    & skf18("6","7","8","5","5","10","1") = "9"
    & skf18("6","7","8","5","6","1","1") = "7"
    & skf18("6","7","8","5","6","2","1") = "7"
    & skf18("6","7","8","5","6","3","1") = "7"
    & skf18("6","7","8","5","6","4","1") = "7"
    & skf18("6","7","8","5","6","5","1") = "7"
    & skf18("6","7","8","5","6","6","1") = "7"
    & skf18("6","7","8","5","6","7","1") = "7"
    & skf18("6","7","8","5","6","8","1") = "7"
    & skf18("6","7","8","5","6","9","1") = "8"
    & skf18("6","7","8","5","6","10","1") = "9"
    & skf18("6","7","8","5","7","1","1") = "7"
    & skf18("6","7","8","5","7","2","1") = "7"
    & skf18("6","7","8","5","7","3","1") = "7"
    & skf18("6","7","8","5","7","4","1") = "7"
    & skf18("6","7","8","5","7","5","1") = "7"
    & skf18("6","7","8","5","7","6","1") = "7"
    & skf18("6","7","8","5","7","7","1") = "7"
    & skf18("6","7","8","5","7","8","1") = "7"
    & skf18("6","7","8","5","7","9","1") = "8"
    & skf18("6","7","8","5","7","10","1") = "9"
    & skf18("6","7","8","5","8","1","1") = "7"
    & skf18("6","7","8","5","8","2","1") = "7"
    & skf18("6","7","8","5","8","3","1") = "7"
    & skf18("6","7","8","5","8","4","1") = "7"
    & skf18("6","7","8","5","8","5","1") = "7"
    & skf18("6","7","8","5","8","6","1") = "7"
    & skf18("6","7","8","5","8","7","1") = "7"
    & skf18("6","7","8","5","8","8","1") = "7"
    & skf18("6","7","8","5","8","9","1") = "8"
    & skf18("6","7","8","5","8","10","1") = "9"
    & skf18("6","7","8","5","9","1","1") = "8"
    & skf18("6","7","8","5","9","2","1") = "8"
    & skf18("6","7","8","5","9","3","1") = "8"
    & skf18("6","7","8","5","9","4","1") = "8"
    & skf18("6","7","8","5","9","5","1") = "8"
    & skf18("6","7","8","5","9","6","1") = "8"
    & skf18("6","7","8","5","9","7","1") = "8"
    & skf18("6","7","8","5","9","8","1") = "8"
    & skf18("6","7","8","5","9","9","1") = "8"
    & skf18("6","7","8","5","9","10","1") = "9"
    & skf18("6","7","8","5","10","1","1") = "9"
    & skf18("6","7","8","5","10","2","1") = "9"
    & skf18("6","7","8","5","10","3","1") = "9"
    & skf18("6","7","8","5","10","4","1") = "9"
    & skf18("6","7","8","5","10","5","1") = "9"
    & skf18("6","7","8","5","10","6","1") = "9"
    & skf18("6","7","8","5","10","7","1") = "9"
    & skf18("6","7","8","5","10","8","1") = "9"
    & skf18("6","7","8","5","10","9","1") = "9"
    & skf18("6","7","8","5","10","10","1") = "9"
    & skf18("6","7","8","6","1","1","1") = "7"
    & skf18("6","7","8","6","1","2","1") = "7"
    & skf18("6","7","8","6","1","3","1") = "7"
    & skf18("6","7","8","6","1","4","1") = "7"
    & skf18("6","7","8","6","1","5","1") = "7"
    & skf18("6","7","8","6","1","6","1") = "7"
    & skf18("6","7","8","6","1","7","1") = "7"
    & skf18("6","7","8","6","1","8","1") = "7"
    & skf18("6","7","8","6","1","9","1") = "8"
    & skf18("6","7","8","6","1","10","1") = "9"
    & skf18("6","7","8","6","2","1","1") = "7"
    & skf18("6","7","8","6","2","2","1") = "7"
    & skf18("6","7","8","6","2","3","1") = "7"
    & skf18("6","7","8","6","2","4","1") = "7"
    & skf18("6","7","8","6","2","5","1") = "7"
    & skf18("6","7","8","6","2","6","1") = "7"
    & skf18("6","7","8","6","2","7","1") = "7"
    & skf18("6","7","8","6","2","8","1") = "7"
    & skf18("6","7","8","6","2","9","1") = "8"
    & skf18("6","7","8","6","2","10","1") = "9"
    & skf18("6","7","8","6","3","1","1") = "7"
    & skf18("6","7","8","6","3","2","1") = "7"
    & skf18("6","7","8","6","3","3","1") = "7"
    & skf18("6","7","8","6","3","4","1") = "7"
    & skf18("6","7","8","6","3","5","1") = "7"
    & skf18("6","7","8","6","3","6","1") = "7"
    & skf18("6","7","8","6","3","7","1") = "7"
    & skf18("6","7","8","6","3","8","1") = "7"
    & skf18("6","7","8","6","3","9","1") = "8"
    & skf18("6","7","8","6","3","10","1") = "9"
    & skf18("6","7","8","6","4","1","1") = "7"
    & skf18("6","7","8","6","4","2","1") = "7"
    & skf18("6","7","8","6","4","3","1") = "7"
    & skf18("6","7","8","6","4","4","1") = "7"
    & skf18("6","7","8","6","4","5","1") = "7"
    & skf18("6","7","8","6","4","6","1") = "7"
    & skf18("6","7","8","6","4","7","1") = "7"
    & skf18("6","7","8","6","4","8","1") = "7"
    & skf18("6","7","8","6","4","9","1") = "8"
    & skf18("6","7","8","6","4","10","1") = "9"
    & skf18("6","7","8","6","5","1","1") = "7"
    & skf18("6","7","8","6","5","2","1") = "7"
    & skf18("6","7","8","6","5","3","1") = "7"
    & skf18("6","7","8","6","5","4","1") = "7"
    & skf18("6","7","8","6","5","5","1") = "7"
    & skf18("6","7","8","6","5","6","1") = "7"
    & skf18("6","7","8","6","5","7","1") = "7"
    & skf18("6","7","8","6","5","8","1") = "7"
    & skf18("6","7","8","6","5","9","1") = "8"
    & skf18("6","7","8","6","5","10","1") = "9"
    & skf18("6","7","8","6","6","1","1") = "7"
    & skf18("6","7","8","6","6","2","1") = "7"
    & skf18("6","7","8","6","6","3","1") = "7"
    & skf18("6","7","8","6","6","4","1") = "7"
    & skf18("6","7","8","6","6","5","1") = "7"
    & skf18("6","7","8","6","6","6","1") = "7"
    & skf18("6","7","8","6","6","7","1") = "7"
    & skf18("6","7","8","6","6","8","1") = "7"
    & skf18("6","7","8","6","6","9","1") = "8"
    & skf18("6","7","8","6","6","10","1") = "9"
    & skf18("6","7","8","6","7","1","1") = "7"
    & skf18("6","7","8","6","7","2","1") = "7"
    & skf18("6","7","8","6","7","3","1") = "7"
    & skf18("6","7","8","6","7","4","1") = "7"
    & skf18("6","7","8","6","7","5","1") = "7"
    & skf18("6","7","8","6","7","6","1") = "7"
    & skf18("6","7","8","6","7","7","1") = "7"
    & skf18("6","7","8","6","7","8","1") = "7"
    & skf18("6","7","8","6","7","9","1") = "8"
    & skf18("6","7","8","6","7","10","1") = "9"
    & skf18("6","7","8","6","8","1","1") = "7"
    & skf18("6","7","8","6","8","2","1") = "7"
    & skf18("6","7","8","6","8","3","1") = "7"
    & skf18("6","7","8","6","8","4","1") = "7"
    & skf18("6","7","8","6","8","5","1") = "7"
    & skf18("6","7","8","6","8","6","1") = "7"
    & skf18("6","7","8","6","8","7","1") = "7"
    & skf18("6","7","8","6","8","8","1") = "7"
    & skf18("6","7","8","6","8","9","1") = "8"
    & skf18("6","7","8","6","8","10","1") = "9"
    & skf18("6","7","8","6","9","1","1") = "8"
    & skf18("6","7","8","6","9","2","1") = "8"
    & skf18("6","7","8","6","9","3","1") = "8"
    & skf18("6","7","8","6","9","4","1") = "8"
    & skf18("6","7","8","6","9","5","1") = "8"
    & skf18("6","7","8","6","9","6","1") = "8"
    & skf18("6","7","8","6","9","7","1") = "8"
    & skf18("6","7","8","6","9","8","1") = "8"
    & skf18("6","7","8","6","9","9","1") = "8"
    & skf18("6","7","8","6","9","10","1") = "9"
    & skf18("6","7","8","6","10","1","1") = "9"
    & skf18("6","7","8","6","10","2","1") = "9"
    & skf18("6","7","8","6","10","3","1") = "9"
    & skf18("6","7","8","6","10","4","1") = "9"
    & skf18("6","7","8","6","10","5","1") = "9"
    & skf18("6","7","8","6","10","6","1") = "9"
    & skf18("6","7","8","6","10","7","1") = "9"
    & skf18("6","7","8","6","10","8","1") = "9"
    & skf18("6","7","8","6","10","9","1") = "9"
    & skf18("6","7","8","6","10","10","1") = "9"
    & skf18("6","7","8","7","1","1","1") = "7"
    & skf18("6","7","8","7","1","2","1") = "7"
    & skf18("6","7","8","7","1","3","1") = "7"
    & skf18("6","7","8","7","1","4","1") = "7"
    & skf18("6","7","8","7","1","5","1") = "7"
    & skf18("6","7","8","7","1","6","1") = "7"
    & skf18("6","7","8","7","1","7","1") = "7"
    & skf18("6","7","8","7","1","8","1") = "7"
    & skf18("6","7","8","7","1","9","1") = "8"
    & skf18("6","7","8","7","1","10","1") = "9"
    & skf18("6","7","8","7","2","1","1") = "7"
    & skf18("6","7","8","7","2","2","1") = "7"
    & skf18("6","7","8","7","2","3","1") = "7"
    & skf18("6","7","8","7","2","4","1") = "7"
    & skf18("6","7","8","7","2","5","1") = "7"
    & skf18("6","7","8","7","2","6","1") = "7"
    & skf18("6","7","8","7","2","7","1") = "7"
    & skf18("6","7","8","7","2","8","1") = "7"
    & skf18("6","7","8","7","2","9","1") = "8"
    & skf18("6","7","8","7","2","10","1") = "9"
    & skf18("6","7","8","7","3","1","1") = "7"
    & skf18("6","7","8","7","3","2","1") = "7"
    & skf18("6","7","8","7","3","3","1") = "7"
    & skf18("6","7","8","7","3","4","1") = "7"
    & skf18("6","7","8","7","3","5","1") = "7"
    & skf18("6","7","8","7","3","6","1") = "7"
    & skf18("6","7","8","7","3","7","1") = "7"
    & skf18("6","7","8","7","3","8","1") = "7"
    & skf18("6","7","8","7","3","9","1") = "8"
    & skf18("6","7","8","7","3","10","1") = "9"
    & skf18("6","7","8","7","4","1","1") = "7"
    & skf18("6","7","8","7","4","2","1") = "7"
    & skf18("6","7","8","7","4","3","1") = "7"
    & skf18("6","7","8","7","4","4","1") = "7"
    & skf18("6","7","8","7","4","5","1") = "7"
    & skf18("6","7","8","7","4","6","1") = "7"
    & skf18("6","7","8","7","4","7","1") = "7"
    & skf18("6","7","8","7","4","8","1") = "7"
    & skf18("6","7","8","7","4","9","1") = "8"
    & skf18("6","7","8","7","4","10","1") = "9"
    & skf18("6","7","8","7","5","1","1") = "7"
    & skf18("6","7","8","7","5","2","1") = "7"
    & skf18("6","7","8","7","5","3","1") = "7"
    & skf18("6","7","8","7","5","4","1") = "7"
    & skf18("6","7","8","7","5","5","1") = "7"
    & skf18("6","7","8","7","5","6","1") = "7"
    & skf18("6","7","8","7","5","7","1") = "7"
    & skf18("6","7","8","7","5","8","1") = "7"
    & skf18("6","7","8","7","5","9","1") = "8"
    & skf18("6","7","8","7","5","10","1") = "9"
    & skf18("6","7","8","7","6","1","1") = "7"
    & skf18("6","7","8","7","6","2","1") = "7"
    & skf18("6","7","8","7","6","3","1") = "7"
    & skf18("6","7","8","7","6","4","1") = "7"
    & skf18("6","7","8","7","6","5","1") = "7"
    & skf18("6","7","8","7","6","6","1") = "7"
    & skf18("6","7","8","7","6","7","1") = "7"
    & skf18("6","7","8","7","6","8","1") = "7"
    & skf18("6","7","8","7","6","9","1") = "8"
    & skf18("6","7","8","7","6","10","1") = "9"
    & skf18("6","7","8","7","7","1","1") = "7"
    & skf18("6","7","8","7","7","2","1") = "7"
    & skf18("6","7","8","7","7","3","1") = "7"
    & skf18("6","7","8","7","7","4","1") = "7"
    & skf18("6","7","8","7","7","5","1") = "7"
    & skf18("6","7","8","7","7","6","1") = "7"
    & skf18("6","7","8","7","7","7","1") = "7"
    & skf18("6","7","8","7","7","8","1") = "7"
    & skf18("6","7","8","7","7","9","1") = "8"
    & skf18("6","7","8","7","7","10","1") = "9"
    & skf18("6","7","8","7","8","1","1") = "7"
    & skf18("6","7","8","7","8","2","1") = "7"
    & skf18("6","7","8","7","8","3","1") = "7"
    & skf18("6","7","8","7","8","4","1") = "7"
    & skf18("6","7","8","7","8","5","1") = "7"
    & skf18("6","7","8","7","8","6","1") = "7"
    & skf18("6","7","8","7","8","7","1") = "7"
    & skf18("6","7","8","7","8","8","1") = "7"
    & skf18("6","7","8","7","8","9","1") = "8"
    & skf18("6","7","8","7","8","10","1") = "9"
    & skf18("6","7","8","7","9","1","1") = "8"
    & skf18("6","7","8","7","9","2","1") = "8"
    & skf18("6","7","8","7","9","3","1") = "8"
    & skf18("6","7","8","7","9","4","1") = "8"
    & skf18("6","7","8","7","9","5","1") = "8"
    & skf18("6","7","8","7","9","6","1") = "8"
    & skf18("6","7","8","7","9","7","1") = "8"
    & skf18("6","7","8","7","9","8","1") = "8"
    & skf18("6","7","8","7","9","9","1") = "8"
    & skf18("6","7","8","7","9","10","1") = "9"
    & skf18("6","7","8","7","10","1","1") = "9"
    & skf18("6","7","8","7","10","2","1") = "9"
    & skf18("6","7","8","7","10","3","1") = "9"
    & skf18("6","7","8","7","10","4","1") = "9"
    & skf18("6","7","8","7","10","5","1") = "9"
    & skf18("6","7","8","7","10","6","1") = "9"
    & skf18("6","7","8","7","10","7","1") = "9"
    & skf18("6","7","8","7","10","8","1") = "9"
    & skf18("6","7","8","7","10","9","1") = "9"
    & skf18("6","7","8","7","10","10","1") = "9"
    & skf18("6","7","8","8","1","1","1") = "7"
    & skf18("6","7","8","8","1","2","1") = "7"
    & skf18("6","7","8","8","1","3","1") = "7"
    & skf18("6","7","8","8","1","4","1") = "7"
    & skf18("6","7","8","8","1","5","1") = "7"
    & skf18("6","7","8","8","1","6","1") = "7"
    & skf18("6","7","8","8","1","7","1") = "7"
    & skf18("6","7","8","8","1","8","1") = "7"
    & skf18("6","7","8","8","1","9","1") = "8"
    & skf18("6","7","8","8","1","10","1") = "9"
    & skf18("6","7","8","8","2","1","1") = "7"
    & skf18("6","7","8","8","2","2","1") = "7"
    & skf18("6","7","8","8","2","3","1") = "7"
    & skf18("6","7","8","8","2","4","1") = "7"
    & skf18("6","7","8","8","2","5","1") = "7"
    & skf18("6","7","8","8","2","6","1") = "7"
    & skf18("6","7","8","8","2","7","1") = "7"
    & skf18("6","7","8","8","2","8","1") = "7"
    & skf18("6","7","8","8","2","9","1") = "8"
    & skf18("6","7","8","8","2","10","1") = "9"
    & skf18("6","7","8","8","3","1","1") = "7"
    & skf18("6","7","8","8","3","2","1") = "7"
    & skf18("6","7","8","8","3","3","1") = "7"
    & skf18("6","7","8","8","3","4","1") = "7"
    & skf18("6","7","8","8","3","5","1") = "7"
    & skf18("6","7","8","8","3","6","1") = "7"
    & skf18("6","7","8","8","3","7","1") = "7"
    & skf18("6","7","8","8","3","8","1") = "7"
    & skf18("6","7","8","8","3","9","1") = "8"
    & skf18("6","7","8","8","3","10","1") = "9"
    & skf18("6","7","8","8","4","1","1") = "7"
    & skf18("6","7","8","8","4","2","1") = "7"
    & skf18("6","7","8","8","4","3","1") = "7"
    & skf18("6","7","8","8","4","4","1") = "7"
    & skf18("6","7","8","8","4","5","1") = "7"
    & skf18("6","7","8","8","4","6","1") = "7"
    & skf18("6","7","8","8","4","7","1") = "7"
    & skf18("6","7","8","8","4","8","1") = "7"
    & skf18("6","7","8","8","4","9","1") = "8"
    & skf18("6","7","8","8","4","10","1") = "9"
    & skf18("6","7","8","8","5","1","1") = "7"
    & skf18("6","7","8","8","5","2","1") = "7"
    & skf18("6","7","8","8","5","3","1") = "7"
    & skf18("6","7","8","8","5","4","1") = "7"
    & skf18("6","7","8","8","5","5","1") = "7"
    & skf18("6","7","8","8","5","6","1") = "7"
    & skf18("6","7","8","8","5","7","1") = "7"
    & skf18("6","7","8","8","5","8","1") = "7"
    & skf18("6","7","8","8","5","9","1") = "8"
    & skf18("6","7","8","8","5","10","1") = "9"
    & skf18("6","7","8","8","6","1","1") = "7"
    & skf18("6","7","8","8","6","2","1") = "7"
    & skf18("6","7","8","8","6","3","1") = "7"
    & skf18("6","7","8","8","6","4","1") = "7"
    & skf18("6","7","8","8","6","5","1") = "7"
    & skf18("6","7","8","8","6","6","1") = "7"
    & skf18("6","7","8","8","6","7","1") = "7"
    & skf18("6","7","8","8","6","8","1") = "7"
    & skf18("6","7","8","8","6","9","1") = "8"
    & skf18("6","7","8","8","6","10","1") = "9"
    & skf18("6","7","8","8","7","1","1") = "7"
    & skf18("6","7","8","8","7","2","1") = "7"
    & skf18("6","7","8","8","7","3","1") = "7"
    & skf18("6","7","8","8","7","4","1") = "7"
    & skf18("6","7","8","8","7","5","1") = "7"
    & skf18("6","7","8","8","7","6","1") = "7"
    & skf18("6","7","8","8","7","7","1") = "7"
    & skf18("6","7","8","8","7","8","1") = "7"
    & skf18("6","7","8","8","7","9","1") = "8"
    & skf18("6","7","8","8","7","10","1") = "9"
    & skf18("6","7","8","8","8","1","1") = "7"
    & skf18("6","7","8","8","8","2","1") = "7"
    & skf18("6","7","8","8","8","3","1") = "7"
    & skf18("6","7","8","8","8","4","1") = "7"
    & skf18("6","7","8","8","8","5","1") = "7"
    & skf18("6","7","8","8","8","6","1") = "7"
    & skf18("6","7","8","8","8","7","1") = "7"
    & skf18("6","7","8","8","8","8","1") = "7"
    & skf18("6","7","8","8","8","9","1") = "8"
    & skf18("6","7","8","8","8","10","1") = "9"
    & skf18("6","7","8","8","9","1","1") = "8"
    & skf18("6","7","8","8","9","2","1") = "8"
    & skf18("6","7","8","8","9","3","1") = "8"
    & skf18("6","7","8","8","9","4","1") = "8"
    & skf18("6","7","8","8","9","5","1") = "8"
    & skf18("6","7","8","8","9","6","1") = "8"
    & skf18("6","7","8","8","9","7","1") = "8"
    & skf18("6","7","8","8","9","8","1") = "8"
    & skf18("6","7","8","8","9","9","1") = "8"
    & skf18("6","7","8","8","9","10","1") = "9"
    & skf18("6","7","8","8","10","1","1") = "9"
    & skf18("6","7","8","8","10","2","1") = "9"
    & skf18("6","7","8","8","10","3","1") = "9"
    & skf18("6","7","8","8","10","4","1") = "9"
    & skf18("6","7","8","8","10","5","1") = "9"
    & skf18("6","7","8","8","10","6","1") = "9"
    & skf18("6","7","8","8","10","7","1") = "9"
    & skf18("6","7","8","8","10","8","1") = "9"
    & skf18("6","7","8","8","10","9","1") = "9"
    & skf18("6","7","8","8","10","10","1") = "9"
    & skf18("6","7","8","9","1","1","1") = "8"
    & skf18("6","7","8","9","1","2","1") = "8"
    & skf18("6","7","8","9","1","3","1") = "8"
    & skf18("6","7","8","9","1","4","1") = "8"
    & skf18("6","7","8","9","1","5","1") = "8"
    & skf18("6","7","8","9","1","6","1") = "8"
    & skf18("6","7","8","9","1","7","1") = "8"
    & skf18("6","7","8","9","1","8","1") = "8"
    & skf18("6","7","8","9","1","9","1") = "8"
    & skf18("6","7","8","9","1","10","1") = "9"
    & skf18("6","7","8","9","2","1","1") = "8"
    & skf18("6","7","8","9","2","2","1") = "8"
    & skf18("6","7","8","9","2","3","1") = "8"
    & skf18("6","7","8","9","2","4","1") = "8"
    & skf18("6","7","8","9","2","5","1") = "8"
    & skf18("6","7","8","9","2","6","1") = "8"
    & skf18("6","7","8","9","2","7","1") = "8"
    & skf18("6","7","8","9","2","8","1") = "8"
    & skf18("6","7","8","9","2","9","1") = "8"
    & skf18("6","7","8","9","2","10","1") = "9"
    & skf18("6","7","8","9","3","1","1") = "8"
    & skf18("6","7","8","9","3","2","1") = "8"
    & skf18("6","7","8","9","3","3","1") = "8"
    & skf18("6","7","8","9","3","4","1") = "8"
    & skf18("6","7","8","9","3","5","1") = "8"
    & skf18("6","7","8","9","3","6","1") = "8"
    & skf18("6","7","8","9","3","7","1") = "8"
    & skf18("6","7","8","9","3","8","1") = "8"
    & skf18("6","7","8","9","3","9","1") = "8"
    & skf18("6","7","8","9","3","10","1") = "9"
    & skf18("6","7","8","9","4","1","1") = "8"
    & skf18("6","7","8","9","4","2","1") = "8"
    & skf18("6","7","8","9","4","3","1") = "8"
    & skf18("6","7","8","9","4","4","1") = "8"
    & skf18("6","7","8","9","4","5","1") = "8"
    & skf18("6","7","8","9","4","6","1") = "8"
    & skf18("6","7","8","9","4","7","1") = "8"
    & skf18("6","7","8","9","4","8","1") = "8"
    & skf18("6","7","8","9","4","9","1") = "8"
    & skf18("6","7","8","9","4","10","1") = "9"
    & skf18("6","7","8","9","5","1","1") = "8"
    & skf18("6","7","8","9","5","2","1") = "8"
    & skf18("6","7","8","9","5","3","1") = "8"
    & skf18("6","7","8","9","5","4","1") = "8"
    & skf18("6","7","8","9","5","5","1") = "8"
    & skf18("6","7","8","9","5","6","1") = "8"
    & skf18("6","7","8","9","5","7","1") = "8"
    & skf18("6","7","8","9","5","8","1") = "8"
    & skf18("6","7","8","9","5","9","1") = "8"
    & skf18("6","7","8","9","5","10","1") = "9"
    & skf18("6","7","8","9","6","1","1") = "8"
    & skf18("6","7","8","9","6","2","1") = "8"
    & skf18("6","7","8","9","6","3","1") = "8"
    & skf18("6","7","8","9","6","4","1") = "8"
    & skf18("6","7","8","9","6","5","1") = "8"
    & skf18("6","7","8","9","6","6","1") = "8"
    & skf18("6","7","8","9","6","7","1") = "8"
    & skf18("6","7","8","9","6","8","1") = "8"
    & skf18("6","7","8","9","6","9","1") = "8"
    & skf18("6","7","8","9","6","10","1") = "9"
    & skf18("6","7","8","9","7","1","1") = "8"
    & skf18("6","7","8","9","7","2","1") = "8"
    & skf18("6","7","8","9","7","3","1") = "8"
    & skf18("6","7","8","9","7","4","1") = "8"
    & skf18("6","7","8","9","7","5","1") = "8"
    & skf18("6","7","8","9","7","6","1") = "8"
    & skf18("6","7","8","9","7","7","1") = "8"
    & skf18("6","7","8","9","7","8","1") = "8"
    & skf18("6","7","8","9","7","9","1") = "8"
    & skf18("6","7","8","9","7","10","1") = "9"
    & skf18("6","7","8","9","8","1","1") = "8"
    & skf18("6","7","8","9","8","2","1") = "8"
    & skf18("6","7","8","9","8","3","1") = "8"
    & skf18("6","7","8","9","8","4","1") = "8"
    & skf18("6","7","8","9","8","5","1") = "8"
    & skf18("6","7","8","9","8","6","1") = "8"
    & skf18("6","7","8","9","8","7","1") = "8"
    & skf18("6","7","8","9","8","8","1") = "8"
    & skf18("6","7","8","9","8","9","1") = "8"
    & skf18("6","7","8","9","8","10","1") = "9"
    & skf18("6","7","8","9","9","1","1") = "8"
    & skf18("6","7","8","9","9","2","1") = "8"
    & skf18("6","7","8","9","9","3","1") = "8"
    & skf18("6","7","8","9","9","4","1") = "8"
    & skf18("6","7","8","9","9","5","1") = "8"
    & skf18("6","7","8","9","9","6","1") = "8"
    & skf18("6","7","8","9","9","7","1") = "8"
    & skf18("6","7","8","9","9","8","1") = "8"
    & skf18("6","7","8","9","9","9","1") = "8"
    & skf18("6","7","8","9","9","10","1") = "9"
    & skf18("6","7","8","9","10","1","1") = "9"
    & skf18("6","7","8","9","10","2","1") = "9"
    & skf18("6","7","8","9","10","3","1") = "9"
    & skf18("6","7","8","9","10","4","1") = "9"
    & skf18("6","7","8","9","10","5","1") = "9"
    & skf18("6","7","8","9","10","6","1") = "9"
    & skf18("6","7","8","9","10","7","1") = "9"
    & skf18("6","7","8","9","10","8","1") = "9"
    & skf18("6","7","8","9","10","9","1") = "9"
    & skf18("6","7","8","9","10","10","1") = "9"
    & skf18("6","7","8","10","1","1","1") = "9"
    & skf18("6","7","8","10","1","2","1") = "9"
    & skf18("6","7","8","10","1","3","1") = "9"
    & skf18("6","7","8","10","1","4","1") = "9"
    & skf18("6","7","8","10","1","5","1") = "9"
    & skf18("6","7","8","10","1","6","1") = "9"
    & skf18("6","7","8","10","1","7","1") = "9"
    & skf18("6","7","8","10","1","8","1") = "9"
    & skf18("6","7","8","10","1","9","1") = "9"
    & skf18("6","7","8","10","1","10","1") = "9"
    & skf18("6","7","8","10","2","1","1") = "9"
    & skf18("6","7","8","10","2","2","1") = "9"
    & skf18("6","7","8","10","2","3","1") = "9"
    & skf18("6","7","8","10","2","4","1") = "9"
    & skf18("6","7","8","10","2","5","1") = "9"
    & skf18("6","7","8","10","2","6","1") = "9"
    & skf18("6","7","8","10","2","7","1") = "9"
    & skf18("6","7","8","10","2","8","1") = "9"
    & skf18("6","7","8","10","2","9","1") = "9"
    & skf18("6","7","8","10","2","10","1") = "9"
    & skf18("6","7","8","10","3","1","1") = "9"
    & skf18("6","7","8","10","3","2","1") = "9"
    & skf18("6","7","8","10","3","3","1") = "9"
    & skf18("6","7","8","10","3","4","1") = "9"
    & skf18("6","7","8","10","3","5","1") = "9"
    & skf18("6","7","8","10","3","6","1") = "9"
    & skf18("6","7","8","10","3","7","1") = "9"
    & skf18("6","7","8","10","3","8","1") = "9"
    & skf18("6","7","8","10","3","9","1") = "9"
    & skf18("6","7","8","10","3","10","1") = "9"
    & skf18("6","7","8","10","4","1","1") = "9"
    & skf18("6","7","8","10","4","2","1") = "9"
    & skf18("6","7","8","10","4","3","1") = "9"
    & skf18("6","7","8","10","4","4","1") = "9"
    & skf18("6","7","8","10","4","5","1") = "9"
    & skf18("6","7","8","10","4","6","1") = "9"
    & skf18("6","7","8","10","4","7","1") = "9"
    & skf18("6","7","8","10","4","8","1") = "9"
    & skf18("6","7","8","10","4","9","1") = "9"
    & skf18("6","7","8","10","4","10","1") = "9"
    & skf18("6","7","8","10","5","1","1") = "9"
    & skf18("6","7","8","10","5","2","1") = "9"
    & skf18("6","7","8","10","5","3","1") = "9"
    & skf18("6","7","8","10","5","4","1") = "9"
    & skf18("6","7","8","10","5","5","1") = "9"
    & skf18("6","7","8","10","5","6","1") = "9"
    & skf18("6","7","8","10","5","7","1") = "9"
    & skf18("6","7","8","10","5","8","1") = "9"
    & skf18("6","7","8","10","5","9","1") = "9"
    & skf18("6","7","8","10","5","10","1") = "9"
    & skf18("6","7","8","10","6","1","1") = "9"
    & skf18("6","7","8","10","6","2","1") = "9"
    & skf18("6","7","8","10","6","3","1") = "9"
    & skf18("6","7","8","10","6","4","1") = "9"
    & skf18("6","7","8","10","6","5","1") = "9"
    & skf18("6","7","8","10","6","6","1") = "9"
    & skf18("6","7","8","10","6","7","1") = "9"
    & skf18("6","7","8","10","6","8","1") = "9"
    & skf18("6","7","8","10","6","9","1") = "9"
    & skf18("6","7","8","10","6","10","1") = "9"
    & skf18("6","7","8","10","7","1","1") = "9"
    & skf18("6","7","8","10","7","2","1") = "9"
    & skf18("6","7","8","10","7","3","1") = "9"
    & skf18("6","7","8","10","7","4","1") = "9"
    & skf18("6","7","8","10","7","5","1") = "9"
    & skf18("6","7","8","10","7","6","1") = "9"
    & skf18("6","7","8","10","7","7","1") = "9"
    & skf18("6","7","8","10","7","8","1") = "9"
    & skf18("6","7","8","10","7","9","1") = "9"
    & skf18("6","7","8","10","7","10","1") = "9"
    & skf18("6","7","8","10","8","1","1") = "9"
    & skf18("6","7","8","10","8","2","1") = "9"
    & skf18("6","7","8","10","8","3","1") = "9"
    & skf18("6","7","8","10","8","4","1") = "9"
    & skf18("6","7","8","10","8","5","1") = "9"
    & skf18("6","7","8","10","8","6","1") = "9"
    & skf18("6","7","8","10","8","7","1") = "9"
    & skf18("6","7","8","10","8","8","1") = "9"
    & skf18("6","7","8","10","8","9","1") = "9"
    & skf18("6","7","8","10","8","10","1") = "9"
    & skf18("6","7","8","10","9","1","1") = "9"
    & skf18("6","7","8","10","9","2","1") = "9"
    & skf18("6","7","8","10","9","3","1") = "9"
    & skf18("6","7","8","10","9","4","1") = "9"
    & skf18("6","7","8","10","9","5","1") = "9"
    & skf18("6","7","8","10","9","6","1") = "9"
    & skf18("6","7","8","10","9","7","1") = "9"
    & skf18("6","7","8","10","9","8","1") = "9"
    & skf18("6","7","8","10","9","9","1") = "9"
    & skf18("6","7","8","10","9","10","1") = "9"
    & skf18("6","7","8","10","10","1","1") = "9"
    & skf18("6","7","8","10","10","2","1") = "9"
    & skf18("6","7","8","10","10","3","1") = "9"
    & skf18("6","7","8","10","10","4","1") = "9"
    & skf18("6","7","8","10","10","5","1") = "9"
    & skf18("6","7","8","10","10","6","1") = "9"
    & skf18("6","7","8","10","10","7","1") = "9"
    & skf18("6","7","8","10","10","8","1") = "9"
    & skf18("6","7","8","10","10","9","1") = "9"
    & skf18("6","7","8","10","10","10","1") = "9"
    & skf18("6","7","9","1","1","1","1") = "8"
    & skf18("6","7","9","1","1","2","1") = "8"
    & skf18("6","7","9","1","1","3","1") = "8"
    & skf18("6","7","9","1","1","4","1") = "8"
    & skf18("6","7","9","1","1","5","1") = "8"
    & skf18("6","7","9","1","1","6","1") = "8"
    & skf18("6","7","9","1","1","7","1") = "8"
    & skf18("6","7","9","1","1","8","1") = "8"
    & skf18("6","7","9","1","1","9","1") = "8"
    & skf18("6","7","9","1","1","10","1") = "9"
    & skf18("6","7","9","1","2","1","1") = "8"
    & skf18("6","7","9","1","2","2","1") = "8"
    & skf18("6","7","9","1","2","3","1") = "8"
    & skf18("6","7","9","1","2","4","1") = "8"
    & skf18("6","7","9","1","2","5","1") = "8"
    & skf18("6","7","9","1","2","6","1") = "8"
    & skf18("6","7","9","1","2","7","1") = "8"
    & skf18("6","7","9","1","2","8","1") = "8"
    & skf18("6","7","9","1","2","9","1") = "8"
    & skf18("6","7","9","1","2","10","1") = "9"
    & skf18("6","7","9","1","3","1","1") = "8"
    & skf18("6","7","9","1","3","2","1") = "8"
    & skf18("6","7","9","1","3","3","1") = "8"
    & skf18("6","7","9","1","3","4","1") = "8"
    & skf18("6","7","9","1","3","5","1") = "8"
    & skf18("6","7","9","1","3","6","1") = "8"
    & skf18("6","7","9","1","3","7","1") = "8"
    & skf18("6","7","9","1","3","8","1") = "8"
    & skf18("6","7","9","1","3","9","1") = "8"
    & skf18("6","7","9","1","3","10","1") = "9"
    & skf18("6","7","9","1","4","1","1") = "8"
    & skf18("6","7","9","1","4","2","1") = "8"
    & skf18("6","7","9","1","4","3","1") = "8"
    & skf18("6","7","9","1","4","4","1") = "8"
    & skf18("6","7","9","1","4","5","1") = "8"
    & skf18("6","7","9","1","4","6","1") = "8"
    & skf18("6","7","9","1","4","7","1") = "8"
    & skf18("6","7","9","1","4","8","1") = "8"
    & skf18("6","7","9","1","4","9","1") = "8"
    & skf18("6","7","9","1","4","10","1") = "9"
    & skf18("6","7","9","1","5","1","1") = "8"
    & skf18("6","7","9","1","5","2","1") = "8"
    & skf18("6","7","9","1","5","3","1") = "8"
    & skf18("6","7","9","1","5","4","1") = "8"
    & skf18("6","7","9","1","5","5","1") = "8"
    & skf18("6","7","9","1","5","6","1") = "8"
    & skf18("6","7","9","1","5","7","1") = "8"
    & skf18("6","7","9","1","5","8","1") = "8"
    & skf18("6","7","9","1","5","9","1") = "8"
    & skf18("6","7","9","1","5","10","1") = "9"
    & skf18("6","7","9","1","6","1","1") = "8"
    & skf18("6","7","9","1","6","2","1") = "8"
    & skf18("6","7","9","1","6","3","1") = "8"
    & skf18("6","7","9","1","6","4","1") = "8"
    & skf18("6","7","9","1","6","5","1") = "8"
    & skf18("6","7","9","1","6","6","1") = "8"
    & skf18("6","7","9","1","6","7","1") = "8"
    & skf18("6","7","9","1","6","8","1") = "8"
    & skf18("6","7","9","1","6","9","1") = "8"
    & skf18("6","7","9","1","6","10","1") = "9"
    & skf18("6","7","9","1","7","1","1") = "8"
    & skf18("6","7","9","1","7","2","1") = "8"
    & skf18("6","7","9","1","7","3","1") = "8"
    & skf18("6","7","9","1","7","4","1") = "8"
    & skf18("6","7","9","1","7","5","1") = "8"
    & skf18("6","7","9","1","7","6","1") = "8"
    & skf18("6","7","9","1","7","7","1") = "8"
    & skf18("6","7","9","1","7","8","1") = "8"
    & skf18("6","7","9","1","7","9","1") = "8"
    & skf18("6","7","9","1","7","10","1") = "9"
    & skf18("6","7","9","1","8","1","1") = "8"
    & skf18("6","7","9","1","8","2","1") = "8"
    & skf18("6","7","9","1","8","3","1") = "8"
    & skf18("6","7","9","1","8","4","1") = "8"
    & skf18("6","7","9","1","8","5","1") = "8"
    & skf18("6","7","9","1","8","6","1") = "8"
    & skf18("6","7","9","1","8","7","1") = "8"
    & skf18("6","7","9","1","8","8","1") = "8"
    & skf18("6","7","9","1","8","9","1") = "8"
    & skf18("6","7","9","1","8","10","1") = "9"
    & skf18("6","7","9","1","9","1","1") = "8"
    & skf18("6","7","9","1","9","2","1") = "8"
    & skf18("6","7","9","1","9","3","1") = "8"
    & skf18("6","7","9","1","9","4","1") = "8"
    & skf18("6","7","9","1","9","5","1") = "8"
    & skf18("6","7","9","1","9","6","1") = "8"
    & skf18("6","7","9","1","9","7","1") = "8"
    & skf18("6","7","9","1","9","8","1") = "8"
    & skf18("6","7","9","1","9","9","1") = "8"
    & skf18("6","7","9","1","9","10","1") = "9"
    & skf18("6","7","9","1","10","1","1") = "9"
    & skf18("6","7","9","1","10","2","1") = "9"
    & skf18("6","7","9","1","10","3","1") = "9"
    & skf18("6","7","9","1","10","4","1") = "9"
    & skf18("6","7","9","1","10","5","1") = "9"
    & skf18("6","7","9","1","10","6","1") = "9"
    & skf18("6","7","9","1","10","7","1") = "9"
    & skf18("6","7","9","1","10","8","1") = "9"
    & skf18("6","7","9","1","10","9","1") = "9"
    & skf18("6","7","9","1","10","10","1") = "9"
    & skf18("6","7","9","2","1","1","1") = "8"
    & skf18("6","7","9","2","1","2","1") = "8"
    & skf18("6","7","9","2","1","3","1") = "8"
    & skf18("6","7","9","2","1","4","1") = "8"
    & skf18("6","7","9","2","1","5","1") = "8"
    & skf18("6","7","9","2","1","6","1") = "8"
    & skf18("6","7","9","2","1","7","1") = "8"
    & skf18("6","7","9","2","1","8","1") = "8"
    & skf18("6","7","9","2","1","9","1") = "8"
    & skf18("6","7","9","2","1","10","1") = "9"
    & skf18("6","7","9","2","2","1","1") = "8"
    & skf18("6","7","9","2","2","2","1") = "8"
    & skf18("6","7","9","2","2","3","1") = "8"
    & skf18("6","7","9","2","2","4","1") = "8"
    & skf18("6","7","9","2","2","5","1") = "8"
    & skf18("6","7","9","2","2","6","1") = "8"
    & skf18("6","7","9","2","2","7","1") = "8"
    & skf18("6","7","9","2","2","8","1") = "8"
    & skf18("6","7","9","2","2","9","1") = "8"
    & skf18("6","7","9","2","2","10","1") = "9"
    & skf18("6","7","9","2","3","1","1") = "8"
    & skf18("6","7","9","2","3","2","1") = "8"
    & skf18("6","7","9","2","3","3","1") = "8"
    & skf18("6","7","9","2","3","4","1") = "8"
    & skf18("6","7","9","2","3","5","1") = "8"
    & skf18("6","7","9","2","3","6","1") = "8"
    & skf18("6","7","9","2","3","7","1") = "8"
    & skf18("6","7","9","2","3","8","1") = "8"
    & skf18("6","7","9","2","3","9","1") = "8"
    & skf18("6","7","9","2","3","10","1") = "9"
    & skf18("6","7","9","2","4","1","1") = "8"
    & skf18("6","7","9","2","4","2","1") = "8"
    & skf18("6","7","9","2","4","3","1") = "8"
    & skf18("6","7","9","2","4","4","1") = "8"
    & skf18("6","7","9","2","4","5","1") = "8"
    & skf18("6","7","9","2","4","6","1") = "8"
    & skf18("6","7","9","2","4","7","1") = "8"
    & skf18("6","7","9","2","4","8","1") = "8"
    & skf18("6","7","9","2","4","9","1") = "8"
    & skf18("6","7","9","2","4","10","1") = "9"
    & skf18("6","7","9","2","5","1","1") = "8"
    & skf18("6","7","9","2","5","2","1") = "8"
    & skf18("6","7","9","2","5","3","1") = "8"
    & skf18("6","7","9","2","5","4","1") = "8"
    & skf18("6","7","9","2","5","5","1") = "8"
    & skf18("6","7","9","2","5","6","1") = "8"
    & skf18("6","7","9","2","5","7","1") = "8"
    & skf18("6","7","9","2","5","8","1") = "8"
    & skf18("6","7","9","2","5","9","1") = "8"
    & skf18("6","7","9","2","5","10","1") = "9"
    & skf18("6","7","9","2","6","1","1") = "8"
    & skf18("6","7","9","2","6","2","1") = "8"
    & skf18("6","7","9","2","6","3","1") = "8"
    & skf18("6","7","9","2","6","4","1") = "8"
    & skf18("6","7","9","2","6","5","1") = "8"
    & skf18("6","7","9","2","6","6","1") = "8"
    & skf18("6","7","9","2","6","7","1") = "8"
    & skf18("6","7","9","2","6","8","1") = "8"
    & skf18("6","7","9","2","6","9","1") = "8"
    & skf18("6","7","9","2","6","10","1") = "9"
    & skf18("6","7","9","2","7","1","1") = "8"
    & skf18("6","7","9","2","7","2","1") = "8"
    & skf18("6","7","9","2","7","3","1") = "8"
    & skf18("6","7","9","2","7","4","1") = "8"
    & skf18("6","7","9","2","7","5","1") = "8"
    & skf18("6","7","9","2","7","6","1") = "8"
    & skf18("6","7","9","2","7","7","1") = "8"
    & skf18("6","7","9","2","7","8","1") = "8"
    & skf18("6","7","9","2","7","9","1") = "8"
    & skf18("6","7","9","2","7","10","1") = "9"
    & skf18("6","7","9","2","8","1","1") = "8"
    & skf18("6","7","9","2","8","2","1") = "8"
    & skf18("6","7","9","2","8","3","1") = "8"
    & skf18("6","7","9","2","8","4","1") = "8"
    & skf18("6","7","9","2","8","5","1") = "8"
    & skf18("6","7","9","2","8","6","1") = "8"
    & skf18("6","7","9","2","8","7","1") = "8"
    & skf18("6","7","9","2","8","8","1") = "8"
    & skf18("6","7","9","2","8","9","1") = "8"
    & skf18("6","7","9","2","8","10","1") = "9"
    & skf18("6","7","9","2","9","1","1") = "8"
    & skf18("6","7","9","2","9","2","1") = "8"
    & skf18("6","7","9","2","9","3","1") = "8"
    & skf18("6","7","9","2","9","4","1") = "8"
    & skf18("6","7","9","2","9","5","1") = "8"
    & skf18("6","7","9","2","9","6","1") = "8"
    & skf18("6","7","9","2","9","7","1") = "8"
    & skf18("6","7","9","2","9","8","1") = "8"
    & skf18("6","7","9","2","9","9","1") = "8"
    & skf18("6","7","9","2","9","10","1") = "9"
    & skf18("6","7","9","2","10","1","1") = "9"
    & skf18("6","7","9","2","10","2","1") = "9"
    & skf18("6","7","9","2","10","3","1") = "9"
    & skf18("6","7","9","2","10","4","1") = "9"
    & skf18("6","7","9","2","10","5","1") = "9"
    & skf18("6","7","9","2","10","6","1") = "9"
    & skf18("6","7","9","2","10","7","1") = "9"
    & skf18("6","7","9","2","10","8","1") = "9"
    & skf18("6","7","9","2","10","9","1") = "9"
    & skf18("6","7","9","2","10","10","1") = "9"
    & skf18("6","7","9","3","1","1","1") = "8"
    & skf18("6","7","9","3","1","2","1") = "8"
    & skf18("6","7","9","3","1","3","1") = "8"
    & skf18("6","7","9","3","1","4","1") = "8"
    & skf18("6","7","9","3","1","5","1") = "8"
    & skf18("6","7","9","3","1","6","1") = "8"
    & skf18("6","7","9","3","1","7","1") = "8"
    & skf18("6","7","9","3","1","8","1") = "8"
    & skf18("6","7","9","3","1","9","1") = "8"
    & skf18("6","7","9","3","1","10","1") = "9"
    & skf18("6","7","9","3","2","1","1") = "8"
    & skf18("6","7","9","3","2","2","1") = "8"
    & skf18("6","7","9","3","2","3","1") = "8"
    & skf18("6","7","9","3","2","4","1") = "8"
    & skf18("6","7","9","3","2","5","1") = "8"
    & skf18("6","7","9","3","2","6","1") = "8"
    & skf18("6","7","9","3","2","7","1") = "8"
    & skf18("6","7","9","3","2","8","1") = "8"
    & skf18("6","7","9","3","2","9","1") = "8"
    & skf18("6","7","9","3","2","10","1") = "9"
    & skf18("6","7","9","3","3","1","1") = "8"
    & skf18("6","7","9","3","3","2","1") = "8"
    & skf18("6","7","9","3","3","3","1") = "8"
    & skf18("6","7","9","3","3","4","1") = "8"
    & skf18("6","7","9","3","3","5","1") = "8"
    & skf18("6","7","9","3","3","6","1") = "8"
    & skf18("6","7","9","3","3","7","1") = "8"
    & skf18("6","7","9","3","3","8","1") = "8"
    & skf18("6","7","9","3","3","9","1") = "8"
    & skf18("6","7","9","3","3","10","1") = "9"
    & skf18("6","7","9","3","4","1","1") = "8"
    & skf18("6","7","9","3","4","2","1") = "8"
    & skf18("6","7","9","3","4","3","1") = "8"
    & skf18("6","7","9","3","4","4","1") = "8"
    & skf18("6","7","9","3","4","5","1") = "8"
    & skf18("6","7","9","3","4","6","1") = "8"
    & skf18("6","7","9","3","4","7","1") = "8"
    & skf18("6","7","9","3","4","8","1") = "8"
    & skf18("6","7","9","3","4","9","1") = "8"
    & skf18("6","7","9","3","4","10","1") = "9"
    & skf18("6","7","9","3","5","1","1") = "8"
    & skf18("6","7","9","3","5","2","1") = "8"
    & skf18("6","7","9","3","5","3","1") = "8"
    & skf18("6","7","9","3","5","4","1") = "8"
    & skf18("6","7","9","3","5","5","1") = "8"
    & skf18("6","7","9","3","5","6","1") = "8"
    & skf18("6","7","9","3","5","7","1") = "8"
    & skf18("6","7","9","3","5","8","1") = "8"
    & skf18("6","7","9","3","5","9","1") = "8"
    & skf18("6","7","9","3","5","10","1") = "9"
    & skf18("6","7","9","3","6","1","1") = "8"
    & skf18("6","7","9","3","6","2","1") = "8"
    & skf18("6","7","9","3","6","3","1") = "8"
    & skf18("6","7","9","3","6","4","1") = "8"
    & skf18("6","7","9","3","6","5","1") = "8"
    & skf18("6","7","9","3","6","6","1") = "8"
    & skf18("6","7","9","3","6","7","1") = "8"
    & skf18("6","7","9","3","6","8","1") = "8"
    & skf18("6","7","9","3","6","9","1") = "8"
    & skf18("6","7","9","3","6","10","1") = "9"
    & skf18("6","7","9","3","7","1","1") = "8"
    & skf18("6","7","9","3","7","2","1") = "8"
    & skf18("6","7","9","3","7","3","1") = "8"
    & skf18("6","7","9","3","7","4","1") = "8"
    & skf18("6","7","9","3","7","5","1") = "8"
    & skf18("6","7","9","3","7","6","1") = "8"
    & skf18("6","7","9","3","7","7","1") = "8"
    & skf18("6","7","9","3","7","8","1") = "8"
    & skf18("6","7","9","3","7","9","1") = "8"
    & skf18("6","7","9","3","7","10","1") = "9"
    & skf18("6","7","9","3","8","1","1") = "8"
    & skf18("6","7","9","3","8","2","1") = "8"
    & skf18("6","7","9","3","8","3","1") = "8"
    & skf18("6","7","9","3","8","4","1") = "8"
    & skf18("6","7","9","3","8","5","1") = "8"
    & skf18("6","7","9","3","8","6","1") = "8"
    & skf18("6","7","9","3","8","7","1") = "8"
    & skf18("6","7","9","3","8","8","1") = "8"
    & skf18("6","7","9","3","8","9","1") = "8"
    & skf18("6","7","9","3","8","10","1") = "9"
    & skf18("6","7","9","3","9","1","1") = "8"
    & skf18("6","7","9","3","9","2","1") = "8"
    & skf18("6","7","9","3","9","3","1") = "8"
    & skf18("6","7","9","3","9","4","1") = "8"
    & skf18("6","7","9","3","9","5","1") = "8"
    & skf18("6","7","9","3","9","6","1") = "8"
    & skf18("6","7","9","3","9","7","1") = "8"
    & skf18("6","7","9","3","9","8","1") = "8"
    & skf18("6","7","9","3","9","9","1") = "8"
    & skf18("6","7","9","3","9","10","1") = "9"
    & skf18("6","7","9","3","10","1","1") = "9"
    & skf18("6","7","9","3","10","2","1") = "9"
    & skf18("6","7","9","3","10","3","1") = "9"
    & skf18("6","7","9","3","10","4","1") = "9"
    & skf18("6","7","9","3","10","5","1") = "9"
    & skf18("6","7","9","3","10","6","1") = "9"
    & skf18("6","7","9","3","10","7","1") = "9"
    & skf18("6","7","9","3","10","8","1") = "9"
    & skf18("6","7","9","3","10","9","1") = "9"
    & skf18("6","7","9","3","10","10","1") = "9"
    & skf18("6","7","9","4","1","1","1") = "8"
    & skf18("6","7","9","4","1","2","1") = "8"
    & skf18("6","7","9","4","1","3","1") = "8"
    & skf18("6","7","9","4","1","4","1") = "8"
    & skf18("6","7","9","4","1","5","1") = "8"
    & skf18("6","7","9","4","1","6","1") = "8"
    & skf18("6","7","9","4","1","7","1") = "8"
    & skf18("6","7","9","4","1","8","1") = "8"
    & skf18("6","7","9","4","1","9","1") = "8"
    & skf18("6","7","9","4","1","10","1") = "9"
    & skf18("6","7","9","4","2","1","1") = "8"
    & skf18("6","7","9","4","2","2","1") = "8"
    & skf18("6","7","9","4","2","3","1") = "8"
    & skf18("6","7","9","4","2","4","1") = "8"
    & skf18("6","7","9","4","2","5","1") = "8"
    & skf18("6","7","9","4","2","6","1") = "8"
    & skf18("6","7","9","4","2","7","1") = "8"
    & skf18("6","7","9","4","2","8","1") = "8"
    & skf18("6","7","9","4","2","9","1") = "8"
    & skf18("6","7","9","4","2","10","1") = "9"
    & skf18("6","7","9","4","3","1","1") = "8"
    & skf18("6","7","9","4","3","2","1") = "8"
    & skf18("6","7","9","4","3","3","1") = "8"
    & skf18("6","7","9","4","3","4","1") = "8"
    & skf18("6","7","9","4","3","5","1") = "8"
    & skf18("6","7","9","4","3","6","1") = "8"
    & skf18("6","7","9","4","3","7","1") = "8"
    & skf18("6","7","9","4","3","8","1") = "8"
    & skf18("6","7","9","4","3","9","1") = "8"
    & skf18("6","7","9","4","3","10","1") = "9"
    & skf18("6","7","9","4","4","1","1") = "8"
    & skf18("6","7","9","4","4","2","1") = "8"
    & skf18("6","7","9","4","4","3","1") = "8"
    & skf18("6","7","9","4","4","4","1") = "8"
    & skf18("6","7","9","4","4","5","1") = "8"
    & skf18("6","7","9","4","4","6","1") = "8"
    & skf18("6","7","9","4","4","7","1") = "8"
    & skf18("6","7","9","4","4","8","1") = "8"
    & skf18("6","7","9","4","4","9","1") = "8"
    & skf18("6","7","9","4","4","10","1") = "9"
    & skf18("6","7","9","4","5","1","1") = "8"
    & skf18("6","7","9","4","5","2","1") = "8"
    & skf18("6","7","9","4","5","3","1") = "8"
    & skf18("6","7","9","4","5","4","1") = "8"
    & skf18("6","7","9","4","5","5","1") = "8"
    & skf18("6","7","9","4","5","6","1") = "8"
    & skf18("6","7","9","4","5","7","1") = "8"
    & skf18("6","7","9","4","5","8","1") = "8"
    & skf18("6","7","9","4","5","9","1") = "8"
    & skf18("6","7","9","4","5","10","1") = "9"
    & skf18("6","7","9","4","6","1","1") = "8"
    & skf18("6","7","9","4","6","2","1") = "8"
    & skf18("6","7","9","4","6","3","1") = "8"
    & skf18("6","7","9","4","6","4","1") = "8"
    & skf18("6","7","9","4","6","5","1") = "8"
    & skf18("6","7","9","4","6","6","1") = "8"
    & skf18("6","7","9","4","6","7","1") = "8"
    & skf18("6","7","9","4","6","8","1") = "8"
    & skf18("6","7","9","4","6","9","1") = "8"
    & skf18("6","7","9","4","6","10","1") = "9"
    & skf18("6","7","9","4","7","1","1") = "8"
    & skf18("6","7","9","4","7","2","1") = "8"
    & skf18("6","7","9","4","7","3","1") = "8"
    & skf18("6","7","9","4","7","4","1") = "8"
    & skf18("6","7","9","4","7","5","1") = "8"
    & skf18("6","7","9","4","7","6","1") = "8"
    & skf18("6","7","9","4","7","7","1") = "8"
    & skf18("6","7","9","4","7","8","1") = "8"
    & skf18("6","7","9","4","7","9","1") = "8"
    & skf18("6","7","9","4","7","10","1") = "9"
    & skf18("6","7","9","4","8","1","1") = "8"
    & skf18("6","7","9","4","8","2","1") = "8"
    & skf18("6","7","9","4","8","3","1") = "8"
    & skf18("6","7","9","4","8","4","1") = "8"
    & skf18("6","7","9","4","8","5","1") = "8"
    & skf18("6","7","9","4","8","6","1") = "8"
    & skf18("6","7","9","4","8","7","1") = "8"
    & skf18("6","7","9","4","8","8","1") = "8"
    & skf18("6","7","9","4","8","9","1") = "8"
    & skf18("6","7","9","4","8","10","1") = "9"
    & skf18("6","7","9","4","9","1","1") = "8"
    & skf18("6","7","9","4","9","2","1") = "8"
    & skf18("6","7","9","4","9","3","1") = "8"
    & skf18("6","7","9","4","9","4","1") = "8"
    & skf18("6","7","9","4","9","5","1") = "8"
    & skf18("6","7","9","4","9","6","1") = "8"
    & skf18("6","7","9","4","9","7","1") = "8"
    & skf18("6","7","9","4","9","8","1") = "8"
    & skf18("6","7","9","4","9","9","1") = "8"
    & skf18("6","7","9","4","9","10","1") = "9"
    & skf18("6","7","9","4","10","1","1") = "9"
    & skf18("6","7","9","4","10","2","1") = "9"
    & skf18("6","7","9","4","10","3","1") = "9"
    & skf18("6","7","9","4","10","4","1") = "9"
    & skf18("6","7","9","4","10","5","1") = "9"
    & skf18("6","7","9","4","10","6","1") = "9"
    & skf18("6","7","9","4","10","7","1") = "9"
    & skf18("6","7","9","4","10","8","1") = "9"
    & skf18("6","7","9","4","10","9","1") = "9"
    & skf18("6","7","9","4","10","10","1") = "9"
    & skf18("6","7","9","5","1","1","1") = "8"
    & skf18("6","7","9","5","1","2","1") = "8"
    & skf18("6","7","9","5","1","3","1") = "8"
    & skf18("6","7","9","5","1","4","1") = "8"
    & skf18("6","7","9","5","1","5","1") = "8"
    & skf18("6","7","9","5","1","6","1") = "8"
    & skf18("6","7","9","5","1","7","1") = "8"
    & skf18("6","7","9","5","1","8","1") = "8"
    & skf18("6","7","9","5","1","9","1") = "8"
    & skf18("6","7","9","5","1","10","1") = "9"
    & skf18("6","7","9","5","2","1","1") = "8"
    & skf18("6","7","9","5","2","2","1") = "8"
    & skf18("6","7","9","5","2","3","1") = "8"
    & skf18("6","7","9","5","2","4","1") = "8"
    & skf18("6","7","9","5","2","5","1") = "8"
    & skf18("6","7","9","5","2","6","1") = "8"
    & skf18("6","7","9","5","2","7","1") = "8"
    & skf18("6","7","9","5","2","8","1") = "8"
    & skf18("6","7","9","5","2","9","1") = "8"
    & skf18("6","7","9","5","2","10","1") = "9"
    & skf18("6","7","9","5","3","1","1") = "8"
    & skf18("6","7","9","5","3","2","1") = "8"
    & skf18("6","7","9","5","3","3","1") = "8"
    & skf18("6","7","9","5","3","4","1") = "8"
    & skf18("6","7","9","5","3","5","1") = "8"
    & skf18("6","7","9","5","3","6","1") = "8"
    & skf18("6","7","9","5","3","7","1") = "8"
    & skf18("6","7","9","5","3","8","1") = "8"
    & skf18("6","7","9","5","3","9","1") = "8"
    & skf18("6","7","9","5","3","10","1") = "9"
    & skf18("6","7","9","5","4","1","1") = "8"
    & skf18("6","7","9","5","4","2","1") = "8"
    & skf18("6","7","9","5","4","3","1") = "8"
    & skf18("6","7","9","5","4","4","1") = "8"
    & skf18("6","7","9","5","4","5","1") = "8"
    & skf18("6","7","9","5","4","6","1") = "8"
    & skf18("6","7","9","5","4","7","1") = "8"
    & skf18("6","7","9","5","4","8","1") = "8"
    & skf18("6","7","9","5","4","9","1") = "8"
    & skf18("6","7","9","5","4","10","1") = "9"
    & skf18("6","7","9","5","5","1","1") = "8"
    & skf18("6","7","9","5","5","2","1") = "8"
    & skf18("6","7","9","5","5","3","1") = "8"
    & skf18("6","7","9","5","5","4","1") = "8"
    & skf18("6","7","9","5","5","5","1") = "8"
    & skf18("6","7","9","5","5","6","1") = "8"
    & skf18("6","7","9","5","5","7","1") = "8"
    & skf18("6","7","9","5","5","8","1") = "8"
    & skf18("6","7","9","5","5","9","1") = "8"
    & skf18("6","7","9","5","5","10","1") = "9"
    & skf18("6","7","9","5","6","1","1") = "8"
    & skf18("6","7","9","5","6","2","1") = "8"
    & skf18("6","7","9","5","6","3","1") = "8"
    & skf18("6","7","9","5","6","4","1") = "8"
    & skf18("6","7","9","5","6","5","1") = "8"
    & skf18("6","7","9","5","6","6","1") = "8"
    & skf18("6","7","9","5","6","7","1") = "8"
    & skf18("6","7","9","5","6","8","1") = "8"
    & skf18("6","7","9","5","6","9","1") = "8"
    & skf18("6","7","9","5","6","10","1") = "9"
    & skf18("6","7","9","5","7","1","1") = "8"
    & skf18("6","7","9","5","7","2","1") = "8"
    & skf18("6","7","9","5","7","3","1") = "8"
    & skf18("6","7","9","5","7","4","1") = "8"
    & skf18("6","7","9","5","7","5","1") = "8"
    & skf18("6","7","9","5","7","6","1") = "8"
    & skf18("6","7","9","5","7","7","1") = "8"
    & skf18("6","7","9","5","7","8","1") = "8"
    & skf18("6","7","9","5","7","9","1") = "8"
    & skf18("6","7","9","5","7","10","1") = "9"
    & skf18("6","7","9","5","8","1","1") = "8"
    & skf18("6","7","9","5","8","2","1") = "8"
    & skf18("6","7","9","5","8","3","1") = "8"
    & skf18("6","7","9","5","8","4","1") = "8"
    & skf18("6","7","9","5","8","5","1") = "8"
    & skf18("6","7","9","5","8","6","1") = "8"
    & skf18("6","7","9","5","8","7","1") = "8"
    & skf18("6","7","9","5","8","8","1") = "8"
    & skf18("6","7","9","5","8","9","1") = "8"
    & skf18("6","7","9","5","8","10","1") = "9"
    & skf18("6","7","9","5","9","1","1") = "8"
    & skf18("6","7","9","5","9","2","1") = "8"
    & skf18("6","7","9","5","9","3","1") = "8"
    & skf18("6","7","9","5","9","4","1") = "8"
    & skf18("6","7","9","5","9","5","1") = "8"
    & skf18("6","7","9","5","9","6","1") = "8"
    & skf18("6","7","9","5","9","7","1") = "8"
    & skf18("6","7","9","5","9","8","1") = "8"
    & skf18("6","7","9","5","9","9","1") = "8"
    & skf18("6","7","9","5","9","10","1") = "9"
    & skf18("6","7","9","5","10","1","1") = "9"
    & skf18("6","7","9","5","10","2","1") = "9"
    & skf18("6","7","9","5","10","3","1") = "9"
    & skf18("6","7","9","5","10","4","1") = "9"
    & skf18("6","7","9","5","10","5","1") = "9"
    & skf18("6","7","9","5","10","6","1") = "9"
    & skf18("6","7","9","5","10","7","1") = "9"
    & skf18("6","7","9","5","10","8","1") = "9"
    & skf18("6","7","9","5","10","9","1") = "9"
    & skf18("6","7","9","5","10","10","1") = "9"
    & skf18("6","7","9","6","1","1","1") = "8"
    & skf18("6","7","9","6","1","2","1") = "8"
    & skf18("6","7","9","6","1","3","1") = "8"
    & skf18("6","7","9","6","1","4","1") = "8"
    & skf18("6","7","9","6","1","5","1") = "8"
    & skf18("6","7","9","6","1","6","1") = "8"
    & skf18("6","7","9","6","1","7","1") = "8"
    & skf18("6","7","9","6","1","8","1") = "8"
    & skf18("6","7","9","6","1","9","1") = "8"
    & skf18("6","7","9","6","1","10","1") = "9"
    & skf18("6","7","9","6","2","1","1") = "8"
    & skf18("6","7","9","6","2","2","1") = "8"
    & skf18("6","7","9","6","2","3","1") = "8"
    & skf18("6","7","9","6","2","4","1") = "8"
    & skf18("6","7","9","6","2","5","1") = "8"
    & skf18("6","7","9","6","2","6","1") = "8"
    & skf18("6","7","9","6","2","7","1") = "8"
    & skf18("6","7","9","6","2","8","1") = "8"
    & skf18("6","7","9","6","2","9","1") = "8"
    & skf18("6","7","9","6","2","10","1") = "9"
    & skf18("6","7","9","6","3","1","1") = "8"
    & skf18("6","7","9","6","3","2","1") = "8"
    & skf18("6","7","9","6","3","3","1") = "8"
    & skf18("6","7","9","6","3","4","1") = "8"
    & skf18("6","7","9","6","3","5","1") = "8"
    & skf18("6","7","9","6","3","6","1") = "8"
    & skf18("6","7","9","6","3","7","1") = "8"
    & skf18("6","7","9","6","3","8","1") = "8"
    & skf18("6","7","9","6","3","9","1") = "8"
    & skf18("6","7","9","6","3","10","1") = "9"
    & skf18("6","7","9","6","4","1","1") = "8"
    & skf18("6","7","9","6","4","2","1") = "8"
    & skf18("6","7","9","6","4","3","1") = "8"
    & skf18("6","7","9","6","4","4","1") = "8"
    & skf18("6","7","9","6","4","5","1") = "8"
    & skf18("6","7","9","6","4","6","1") = "8"
    & skf18("6","7","9","6","4","7","1") = "8"
    & skf18("6","7","9","6","4","8","1") = "8"
    & skf18("6","7","9","6","4","9","1") = "8"
    & skf18("6","7","9","6","4","10","1") = "9"
    & skf18("6","7","9","6","5","1","1") = "8"
    & skf18("6","7","9","6","5","2","1") = "8"
    & skf18("6","7","9","6","5","3","1") = "8"
    & skf18("6","7","9","6","5","4","1") = "8"
    & skf18("6","7","9","6","5","5","1") = "8"
    & skf18("6","7","9","6","5","6","1") = "8"
    & skf18("6","7","9","6","5","7","1") = "8"
    & skf18("6","7","9","6","5","8","1") = "8"
    & skf18("6","7","9","6","5","9","1") = "8"
    & skf18("6","7","9","6","5","10","1") = "9"
    & skf18("6","7","9","6","6","1","1") = "8"
    & skf18("6","7","9","6","6","2","1") = "8"
    & skf18("6","7","9","6","6","3","1") = "8"
    & skf18("6","7","9","6","6","4","1") = "8"
    & skf18("6","7","9","6","6","5","1") = "8"
    & skf18("6","7","9","6","6","6","1") = "8"
    & skf18("6","7","9","6","6","7","1") = "8"
    & skf18("6","7","9","6","6","8","1") = "8"
    & skf18("6","7","9","6","6","9","1") = "8"
    & skf18("6","7","9","6","6","10","1") = "9"
    & skf18("6","7","9","6","7","1","1") = "8"
    & skf18("6","7","9","6","7","2","1") = "8"
    & skf18("6","7","9","6","7","3","1") = "8"
    & skf18("6","7","9","6","7","4","1") = "8"
    & skf18("6","7","9","6","7","5","1") = "8"
    & skf18("6","7","9","6","7","6","1") = "8"
    & skf18("6","7","9","6","7","7","1") = "8"
    & skf18("6","7","9","6","7","8","1") = "8"
    & skf18("6","7","9","6","7","9","1") = "8"
    & skf18("6","7","9","6","7","10","1") = "9"
    & skf18("6","7","9","6","8","1","1") = "8"
    & skf18("6","7","9","6","8","2","1") = "8"
    & skf18("6","7","9","6","8","3","1") = "8"
    & skf18("6","7","9","6","8","4","1") = "8"
    & skf18("6","7","9","6","8","5","1") = "8"
    & skf18("6","7","9","6","8","6","1") = "8"
    & skf18("6","7","9","6","8","7","1") = "8"
    & skf18("6","7","9","6","8","8","1") = "8"
    & skf18("6","7","9","6","8","9","1") = "8"
    & skf18("6","7","9","6","8","10","1") = "9"
    & skf18("6","7","9","6","9","1","1") = "8"
    & skf18("6","7","9","6","9","2","1") = "8"
    & skf18("6","7","9","6","9","3","1") = "8"
    & skf18("6","7","9","6","9","4","1") = "8"
    & skf18("6","7","9","6","9","5","1") = "8"
    & skf18("6","7","9","6","9","6","1") = "8"
    & skf18("6","7","9","6","9","7","1") = "8"
    & skf18("6","7","9","6","9","8","1") = "8"
    & skf18("6","7","9","6","9","9","1") = "8"
    & skf18("6","7","9","6","9","10","1") = "9"
    & skf18("6","7","9","6","10","1","1") = "9"
    & skf18("6","7","9","6","10","2","1") = "9"
    & skf18("6","7","9","6","10","3","1") = "9"
    & skf18("6","7","9","6","10","4","1") = "9"
    & skf18("6","7","9","6","10","5","1") = "9"
    & skf18("6","7","9","6","10","6","1") = "9"
    & skf18("6","7","9","6","10","7","1") = "9"
    & skf18("6","7","9","6","10","8","1") = "9"
    & skf18("6","7","9","6","10","9","1") = "9"
    & skf18("6","7","9","6","10","10","1") = "9"
    & skf18("6","7","9","7","1","1","1") = "8"
    & skf18("6","7","9","7","1","2","1") = "8"
    & skf18("6","7","9","7","1","3","1") = "8"
    & skf18("6","7","9","7","1","4","1") = "8"
    & skf18("6","7","9","7","1","5","1") = "8"
    & skf18("6","7","9","7","1","6","1") = "8"
    & skf18("6","7","9","7","1","7","1") = "8"
    & skf18("6","7","9","7","1","8","1") = "8"
    & skf18("6","7","9","7","1","9","1") = "8"
    & skf18("6","7","9","7","1","10","1") = "9"
    & skf18("6","7","9","7","2","1","1") = "8"
    & skf18("6","7","9","7","2","2","1") = "8"
    & skf18("6","7","9","7","2","3","1") = "8"
    & skf18("6","7","9","7","2","4","1") = "8"
    & skf18("6","7","9","7","2","5","1") = "8"
    & skf18("6","7","9","7","2","6","1") = "8"
    & skf18("6","7","9","7","2","7","1") = "8"
    & skf18("6","7","9","7","2","8","1") = "8"
    & skf18("6","7","9","7","2","9","1") = "8"
    & skf18("6","7","9","7","2","10","1") = "9"
    & skf18("6","7","9","7","3","1","1") = "8"
    & skf18("6","7","9","7","3","2","1") = "8"
    & skf18("6","7","9","7","3","3","1") = "8"
    & skf18("6","7","9","7","3","4","1") = "8"
    & skf18("6","7","9","7","3","5","1") = "8"
    & skf18("6","7","9","7","3","6","1") = "8"
    & skf18("6","7","9","7","3","7","1") = "8"
    & skf18("6","7","9","7","3","8","1") = "8"
    & skf18("6","7","9","7","3","9","1") = "8"
    & skf18("6","7","9","7","3","10","1") = "9"
    & skf18("6","7","9","7","4","1","1") = "8"
    & skf18("6","7","9","7","4","2","1") = "8"
    & skf18("6","7","9","7","4","3","1") = "8"
    & skf18("6","7","9","7","4","4","1") = "8"
    & skf18("6","7","9","7","4","5","1") = "8"
    & skf18("6","7","9","7","4","6","1") = "8"
    & skf18("6","7","9","7","4","7","1") = "8"
    & skf18("6","7","9","7","4","8","1") = "8"
    & skf18("6","7","9","7","4","9","1") = "8"
    & skf18("6","7","9","7","4","10","1") = "9"
    & skf18("6","7","9","7","5","1","1") = "8"
    & skf18("6","7","9","7","5","2","1") = "8"
    & skf18("6","7","9","7","5","3","1") = "8"
    & skf18("6","7","9","7","5","4","1") = "8"
    & skf18("6","7","9","7","5","5","1") = "8"
    & skf18("6","7","9","7","5","6","1") = "8"
    & skf18("6","7","9","7","5","7","1") = "8"
    & skf18("6","7","9","7","5","8","1") = "8"
    & skf18("6","7","9","7","5","9","1") = "8"
    & skf18("6","7","9","7","5","10","1") = "9"
    & skf18("6","7","9","7","6","1","1") = "8"
    & skf18("6","7","9","7","6","2","1") = "8"
    & skf18("6","7","9","7","6","3","1") = "8"
    & skf18("6","7","9","7","6","4","1") = "8"
    & skf18("6","7","9","7","6","5","1") = "8"
    & skf18("6","7","9","7","6","6","1") = "8"
    & skf18("6","7","9","7","6","7","1") = "8"
    & skf18("6","7","9","7","6","8","1") = "8"
    & skf18("6","7","9","7","6","9","1") = "8"
    & skf18("6","7","9","7","6","10","1") = "9"
    & skf18("6","7","9","7","7","1","1") = "8"
    & skf18("6","7","9","7","7","2","1") = "8"
    & skf18("6","7","9","7","7","3","1") = "8"
    & skf18("6","7","9","7","7","4","1") = "8"
    & skf18("6","7","9","7","7","5","1") = "8"
    & skf18("6","7","9","7","7","6","1") = "8"
    & skf18("6","7","9","7","7","7","1") = "8"
    & skf18("6","7","9","7","7","8","1") = "8"
    & skf18("6","7","9","7","7","9","1") = "8"
    & skf18("6","7","9","7","7","10","1") = "9"
    & skf18("6","7","9","7","8","1","1") = "8"
    & skf18("6","7","9","7","8","2","1") = "8"
    & skf18("6","7","9","7","8","3","1") = "8"
    & skf18("6","7","9","7","8","4","1") = "8"
    & skf18("6","7","9","7","8","5","1") = "8"
    & skf18("6","7","9","7","8","6","1") = "8"
    & skf18("6","7","9","7","8","7","1") = "8"
    & skf18("6","7","9","7","8","8","1") = "8"
    & skf18("6","7","9","7","8","9","1") = "8"
    & skf18("6","7","9","7","8","10","1") = "9"
    & skf18("6","7","9","7","9","1","1") = "8"
    & skf18("6","7","9","7","9","2","1") = "8"
    & skf18("6","7","9","7","9","3","1") = "8"
    & skf18("6","7","9","7","9","4","1") = "8"
    & skf18("6","7","9","7","9","5","1") = "8"
    & skf18("6","7","9","7","9","6","1") = "8"
    & skf18("6","7","9","7","9","7","1") = "8"
    & skf18("6","7","9","7","9","8","1") = "8"
    & skf18("6","7","9","7","9","9","1") = "8"
    & skf18("6","7","9","7","9","10","1") = "9"
    & skf18("6","7","9","7","10","1","1") = "9"
    & skf18("6","7","9","7","10","2","1") = "9"
    & skf18("6","7","9","7","10","3","1") = "9"
    & skf18("6","7","9","7","10","4","1") = "9"
    & skf18("6","7","9","7","10","5","1") = "9"
    & skf18("6","7","9","7","10","6","1") = "9"
    & skf18("6","7","9","7","10","7","1") = "9"
    & skf18("6","7","9","7","10","8","1") = "9"
    & skf18("6","7","9","7","10","9","1") = "9"
    & skf18("6","7","9","7","10","10","1") = "9"
    & skf18("6","7","9","8","1","1","1") = "8"
    & skf18("6","7","9","8","1","2","1") = "8"
    & skf18("6","7","9","8","1","3","1") = "8"
    & skf18("6","7","9","8","1","4","1") = "8"
    & skf18("6","7","9","8","1","5","1") = "8"
    & skf18("6","7","9","8","1","6","1") = "8"
    & skf18("6","7","9","8","1","7","1") = "8"
    & skf18("6","7","9","8","1","8","1") = "8"
    & skf18("6","7","9","8","1","9","1") = "8"
    & skf18("6","7","9","8","1","10","1") = "9"
    & skf18("6","7","9","8","2","1","1") = "8"
    & skf18("6","7","9","8","2","2","1") = "8"
    & skf18("6","7","9","8","2","3","1") = "8"
    & skf18("6","7","9","8","2","4","1") = "8"
    & skf18("6","7","9","8","2","5","1") = "8"
    & skf18("6","7","9","8","2","6","1") = "8"
    & skf18("6","7","9","8","2","7","1") = "8"
    & skf18("6","7","9","8","2","8","1") = "8"
    & skf18("6","7","9","8","2","9","1") = "8"
    & skf18("6","7","9","8","2","10","1") = "9"
    & skf18("6","7","9","8","3","1","1") = "8"
    & skf18("6","7","9","8","3","2","1") = "8"
    & skf18("6","7","9","8","3","3","1") = "8"
    & skf18("6","7","9","8","3","4","1") = "8"
    & skf18("6","7","9","8","3","5","1") = "8"
    & skf18("6","7","9","8","3","6","1") = "8"
    & skf18("6","7","9","8","3","7","1") = "8"
    & skf18("6","7","9","8","3","8","1") = "8"
    & skf18("6","7","9","8","3","9","1") = "8"
    & skf18("6","7","9","8","3","10","1") = "9"
    & skf18("6","7","9","8","4","1","1") = "8"
    & skf18("6","7","9","8","4","2","1") = "8"
    & skf18("6","7","9","8","4","3","1") = "8"
    & skf18("6","7","9","8","4","4","1") = "8"
    & skf18("6","7","9","8","4","5","1") = "8"
    & skf18("6","7","9","8","4","6","1") = "8"
    & skf18("6","7","9","8","4","7","1") = "8"
    & skf18("6","7","9","8","4","8","1") = "8"
    & skf18("6","7","9","8","4","9","1") = "8"
    & skf18("6","7","9","8","4","10","1") = "9"
    & skf18("6","7","9","8","5","1","1") = "8"
    & skf18("6","7","9","8","5","2","1") = "8"
    & skf18("6","7","9","8","5","3","1") = "8"
    & skf18("6","7","9","8","5","4","1") = "8"
    & skf18("6","7","9","8","5","5","1") = "8"
    & skf18("6","7","9","8","5","6","1") = "8"
    & skf18("6","7","9","8","5","7","1") = "8"
    & skf18("6","7","9","8","5","8","1") = "8"
    & skf18("6","7","9","8","5","9","1") = "8"
    & skf18("6","7","9","8","5","10","1") = "9"
    & skf18("6","7","9","8","6","1","1") = "8"
    & skf18("6","7","9","8","6","2","1") = "8"
    & skf18("6","7","9","8","6","3","1") = "8"
    & skf18("6","7","9","8","6","4","1") = "8"
    & skf18("6","7","9","8","6","5","1") = "8"
    & skf18("6","7","9","8","6","6","1") = "8"
    & skf18("6","7","9","8","6","7","1") = "8"
    & skf18("6","7","9","8","6","8","1") = "8"
    & skf18("6","7","9","8","6","9","1") = "8"
    & skf18("6","7","9","8","6","10","1") = "9"
    & skf18("6","7","9","8","7","1","1") = "8"
    & skf18("6","7","9","8","7","2","1") = "8"
    & skf18("6","7","9","8","7","3","1") = "8"
    & skf18("6","7","9","8","7","4","1") = "8"
    & skf18("6","7","9","8","7","5","1") = "8"
    & skf18("6","7","9","8","7","6","1") = "8"
    & skf18("6","7","9","8","7","7","1") = "8"
    & skf18("6","7","9","8","7","8","1") = "8"
    & skf18("6","7","9","8","7","9","1") = "8"
    & skf18("6","7","9","8","7","10","1") = "9"
    & skf18("6","7","9","8","8","1","1") = "8"
    & skf18("6","7","9","8","8","2","1") = "8"
    & skf18("6","7","9","8","8","3","1") = "8"
    & skf18("6","7","9","8","8","4","1") = "8"
    & skf18("6","7","9","8","8","5","1") = "8"
    & skf18("6","7","9","8","8","6","1") = "8"
    & skf18("6","7","9","8","8","7","1") = "8"
    & skf18("6","7","9","8","8","8","1") = "8"
    & skf18("6","7","9","8","8","9","1") = "8"
    & skf18("6","7","9","8","8","10","1") = "9"
    & skf18("6","7","9","8","9","1","1") = "8"
    & skf18("6","7","9","8","9","2","1") = "8"
    & skf18("6","7","9","8","9","3","1") = "8"
    & skf18("6","7","9","8","9","4","1") = "8"
    & skf18("6","7","9","8","9","5","1") = "8"
    & skf18("6","7","9","8","9","6","1") = "8"
    & skf18("6","7","9","8","9","7","1") = "8"
    & skf18("6","7","9","8","9","8","1") = "8"
    & skf18("6","7","9","8","9","9","1") = "8"
    & skf18("6","7","9","8","9","10","1") = "9"
    & skf18("6","7","9","8","10","1","1") = "9"
    & skf18("6","7","9","8","10","2","1") = "9"
    & skf18("6","7","9","8","10","3","1") = "9"
    & skf18("6","7","9","8","10","4","1") = "9"
    & skf18("6","7","9","8","10","5","1") = "9"
    & skf18("6","7","9","8","10","6","1") = "9"
    & skf18("6","7","9","8","10","7","1") = "9"
    & skf18("6","7","9","8","10","8","1") = "9"
    & skf18("6","7","9","8","10","9","1") = "9"
    & skf18("6","7","9","8","10","10","1") = "9"
    & skf18("6","7","9","9","1","1","1") = "8"
    & skf18("6","7","9","9","1","2","1") = "8"
    & skf18("6","7","9","9","1","3","1") = "8"
    & skf18("6","7","9","9","1","4","1") = "8"
    & skf18("6","7","9","9","1","5","1") = "8"
    & skf18("6","7","9","9","1","6","1") = "8"
    & skf18("6","7","9","9","1","7","1") = "8"
    & skf18("6","7","9","9","1","8","1") = "8"
    & skf18("6","7","9","9","1","9","1") = "8"
    & skf18("6","7","9","9","1","10","1") = "9"
    & skf18("6","7","9","9","2","1","1") = "8"
    & skf18("6","7","9","9","2","2","1") = "8"
    & skf18("6","7","9","9","2","3","1") = "8"
    & skf18("6","7","9","9","2","4","1") = "8"
    & skf18("6","7","9","9","2","5","1") = "8"
    & skf18("6","7","9","9","2","6","1") = "8"
    & skf18("6","7","9","9","2","7","1") = "8"
    & skf18("6","7","9","9","2","8","1") = "8"
    & skf18("6","7","9","9","2","9","1") = "8"
    & skf18("6","7","9","9","2","10","1") = "9"
    & skf18("6","7","9","9","3","1","1") = "8"
    & skf18("6","7","9","9","3","2","1") = "8"
    & skf18("6","7","9","9","3","3","1") = "8"
    & skf18("6","7","9","9","3","4","1") = "8"
    & skf18("6","7","9","9","3","5","1") = "8"
    & skf18("6","7","9","9","3","6","1") = "8"
    & skf18("6","7","9","9","3","7","1") = "8"
    & skf18("6","7","9","9","3","8","1") = "8"
    & skf18("6","7","9","9","3","9","1") = "8"
    & skf18("6","7","9","9","3","10","1") = "9"
    & skf18("6","7","9","9","4","1","1") = "8"
    & skf18("6","7","9","9","4","2","1") = "8"
    & skf18("6","7","9","9","4","3","1") = "8"
    & skf18("6","7","9","9","4","4","1") = "8"
    & skf18("6","7","9","9","4","5","1") = "8"
    & skf18("6","7","9","9","4","6","1") = "8"
    & skf18("6","7","9","9","4","7","1") = "8"
    & skf18("6","7","9","9","4","8","1") = "8"
    & skf18("6","7","9","9","4","9","1") = "8"
    & skf18("6","7","9","9","4","10","1") = "9"
    & skf18("6","7","9","9","5","1","1") = "8"
    & skf18("6","7","9","9","5","2","1") = "8"
    & skf18("6","7","9","9","5","3","1") = "8"
    & skf18("6","7","9","9","5","4","1") = "8"
    & skf18("6","7","9","9","5","5","1") = "8"
    & skf18("6","7","9","9","5","6","1") = "8"
    & skf18("6","7","9","9","5","7","1") = "8"
    & skf18("6","7","9","9","5","8","1") = "8"
    & skf18("6","7","9","9","5","9","1") = "8"
    & skf18("6","7","9","9","5","10","1") = "9"
    & skf18("6","7","9","9","6","1","1") = "8"
    & skf18("6","7","9","9","6","2","1") = "8"
    & skf18("6","7","9","9","6","3","1") = "8"
    & skf18("6","7","9","9","6","4","1") = "8"
    & skf18("6","7","9","9","6","5","1") = "8"
    & skf18("6","7","9","9","6","6","1") = "8"
    & skf18("6","7","9","9","6","7","1") = "8"
    & skf18("6","7","9","9","6","8","1") = "8"
    & skf18("6","7","9","9","6","9","1") = "8"
    & skf18("6","7","9","9","6","10","1") = "9"
    & skf18("6","7","9","9","7","1","1") = "8"
    & skf18("6","7","9","9","7","2","1") = "8"
    & skf18("6","7","9","9","7","3","1") = "8"
    & skf18("6","7","9","9","7","4","1") = "8"
    & skf18("6","7","9","9","7","5","1") = "8"
    & skf18("6","7","9","9","7","6","1") = "8"
    & skf18("6","7","9","9","7","7","1") = "8"
    & skf18("6","7","9","9","7","8","1") = "8"
    & skf18("6","7","9","9","7","9","1") = "8"
    & skf18("6","7","9","9","7","10","1") = "9"
    & skf18("6","7","9","9","8","1","1") = "8"
    & skf18("6","7","9","9","8","2","1") = "8"
    & skf18("6","7","9","9","8","3","1") = "8"
    & skf18("6","7","9","9","8","4","1") = "8"
    & skf18("6","7","9","9","8","5","1") = "8"
    & skf18("6","7","9","9","8","6","1") = "8"
    & skf18("6","7","9","9","8","7","1") = "8"
    & skf18("6","7","9","9","8","8","1") = "8"
    & skf18("6","7","9","9","8","9","1") = "8"
    & skf18("6","7","9","9","8","10","1") = "9"
    & skf18("6","7","9","9","9","1","1") = "8"
    & skf18("6","7","9","9","9","2","1") = "8"
    & skf18("6","7","9","9","9","3","1") = "8"
    & skf18("6","7","9","9","9","4","1") = "8"
    & skf18("6","7","9","9","9","5","1") = "8"
    & skf18("6","7","9","9","9","6","1") = "8"
    & skf18("6","7","9","9","9","7","1") = "8"
    & skf18("6","7","9","9","9","8","1") = "8"
    & skf18("6","7","9","9","9","9","1") = "8"
    & skf18("6","7","9","9","9","10","1") = "9"
    & skf18("6","7","9","9","10","1","1") = "9"
    & skf18("6","7","9","9","10","2","1") = "9"
    & skf18("6","7","9","9","10","3","1") = "9"
    & skf18("6","7","9","9","10","4","1") = "9"
    & skf18("6","7","9","9","10","5","1") = "9"
    & skf18("6","7","9","9","10","6","1") = "9"
    & skf18("6","7","9","9","10","7","1") = "9"
    & skf18("6","7","9","9","10","8","1") = "9"
    & skf18("6","7","9","9","10","9","1") = "9"
    & skf18("6","7","9","9","10","10","1") = "9"
    & skf18("6","7","9","10","1","1","1") = "9"
    & skf18("6","7","9","10","1","2","1") = "9"
    & skf18("6","7","9","10","1","3","1") = "9"
    & skf18("6","7","9","10","1","4","1") = "9"
    & skf18("6","7","9","10","1","5","1") = "9"
    & skf18("6","7","9","10","1","6","1") = "9"
    & skf18("6","7","9","10","1","7","1") = "9"
    & skf18("6","7","9","10","1","8","1") = "9"
    & skf18("6","7","9","10","1","9","1") = "9"
    & skf18("6","7","9","10","1","10","1") = "9"
    & skf18("6","7","9","10","2","1","1") = "9"
    & skf18("6","7","9","10","2","2","1") = "9"
    & skf18("6","7","9","10","2","3","1") = "9"
    & skf18("6","7","9","10","2","4","1") = "9"
    & skf18("6","7","9","10","2","5","1") = "9"
    & skf18("6","7","9","10","2","6","1") = "9"
    & skf18("6","7","9","10","2","7","1") = "9"
    & skf18("6","7","9","10","2","8","1") = "9"
    & skf18("6","7","9","10","2","9","1") = "9"
    & skf18("6","7","9","10","2","10","1") = "9"
    & skf18("6","7","9","10","3","1","1") = "9"
    & skf18("6","7","9","10","3","2","1") = "9"
    & skf18("6","7","9","10","3","3","1") = "9"
    & skf18("6","7","9","10","3","4","1") = "9"
    & skf18("6","7","9","10","3","5","1") = "9"
    & skf18("6","7","9","10","3","6","1") = "9"
    & skf18("6","7","9","10","3","7","1") = "9"
    & skf18("6","7","9","10","3","8","1") = "9"
    & skf18("6","7","9","10","3","9","1") = "9"
    & skf18("6","7","9","10","3","10","1") = "9"
    & skf18("6","7","9","10","4","1","1") = "9"
    & skf18("6","7","9","10","4","2","1") = "9"
    & skf18("6","7","9","10","4","3","1") = "9"
    & skf18("6","7","9","10","4","4","1") = "9"
    & skf18("6","7","9","10","4","5","1") = "9"
    & skf18("6","7","9","10","4","6","1") = "9"
    & skf18("6","7","9","10","4","7","1") = "9"
    & skf18("6","7","9","10","4","8","1") = "9"
    & skf18("6","7","9","10","4","9","1") = "9"
    & skf18("6","7","9","10","4","10","1") = "9"
    & skf18("6","7","9","10","5","1","1") = "9"
    & skf18("6","7","9","10","5","2","1") = "9"
    & skf18("6","7","9","10","5","3","1") = "9"
    & skf18("6","7","9","10","5","4","1") = "9"
    & skf18("6","7","9","10","5","5","1") = "9"
    & skf18("6","7","9","10","5","6","1") = "9"
    & skf18("6","7","9","10","5","7","1") = "9"
    & skf18("6","7","9","10","5","8","1") = "9"
    & skf18("6","7","9","10","5","9","1") = "9"
    & skf18("6","7","9","10","5","10","1") = "9"
    & skf18("6","7","9","10","6","1","1") = "9"
    & skf18("6","7","9","10","6","2","1") = "9"
    & skf18("6","7","9","10","6","3","1") = "9"
    & skf18("6","7","9","10","6","4","1") = "9"
    & skf18("6","7","9","10","6","5","1") = "9"
    & skf18("6","7","9","10","6","6","1") = "9"
    & skf18("6","7","9","10","6","7","1") = "9"
    & skf18("6","7","9","10","6","8","1") = "9"
    & skf18("6","7","9","10","6","9","1") = "9"
    & skf18("6","7","9","10","6","10","1") = "9"
    & skf18("6","7","9","10","7","1","1") = "9"
    & skf18("6","7","9","10","7","2","1") = "9"
    & skf18("6","7","9","10","7","3","1") = "9"
    & skf18("6","7","9","10","7","4","1") = "9"
    & skf18("6","7","9","10","7","5","1") = "9"
    & skf18("6","7","9","10","7","6","1") = "9"
    & skf18("6","7","9","10","7","7","1") = "9"
    & skf18("6","7","9","10","7","8","1") = "9"
    & skf18("6","7","9","10","7","9","1") = "9"
    & skf18("6","7","9","10","7","10","1") = "9"
    & skf18("6","7","9","10","8","1","1") = "9"
    & skf18("6","7","9","10","8","2","1") = "9"
    & skf18("6","7","9","10","8","3","1") = "9"
    & skf18("6","7","9","10","8","4","1") = "9"
    & skf18("6","7","9","10","8","5","1") = "9"
    & skf18("6","7","9","10","8","6","1") = "9"
    & skf18("6","7","9","10","8","7","1") = "9"
    & skf18("6","7","9","10","8","8","1") = "9"
    & skf18("6","7","9","10","8","9","1") = "9"
    & skf18("6","7","9","10","8","10","1") = "9"
    & skf18("6","7","9","10","9","1","1") = "9"
    & skf18("6","7","9","10","9","2","1") = "9"
    & skf18("6","7","9","10","9","3","1") = "9"
    & skf18("6","7","9","10","9","4","1") = "9"
    & skf18("6","7","9","10","9","5","1") = "9"
    & skf18("6","7","9","10","9","6","1") = "9"
    & skf18("6","7","9","10","9","7","1") = "9"
    & skf18("6","7","9","10","9","8","1") = "9"
    & skf18("6","7","9","10","9","9","1") = "9"
    & skf18("6","7","9","10","9","10","1") = "9"
    & skf18("6","7","9","10","10","1","1") = "9"
    & skf18("6","7","9","10","10","2","1") = "9"
    & skf18("6","7","9","10","10","3","1") = "9"
    & skf18("6","7","9","10","10","4","1") = "9"
    & skf18("6","7","9","10","10","5","1") = "9"
    & skf18("6","7","9","10","10","6","1") = "9"
    & skf18("6","7","9","10","10","7","1") = "9"
    & skf18("6","7","9","10","10","8","1") = "9"
    & skf18("6","7","9","10","10","9","1") = "9"
    & skf18("6","7","9","10","10","10","1") = "9"
    & skf18("6","7","10","1","1","1","1") = "9"
    & skf18("6","7","10","1","1","2","1") = "9"
    & skf18("6","7","10","1","1","3","1") = "9"
    & skf18("6","7","10","1","1","4","1") = "9"
    & skf18("6","7","10","1","1","5","1") = "9"
    & skf18("6","7","10","1","1","6","1") = "9"
    & skf18("6","7","10","1","1","7","1") = "9"
    & skf18("6","7","10","1","1","8","1") = "9"
    & skf18("6","7","10","1","1","9","1") = "9"
    & skf18("6","7","10","1","1","10","1") = "9"
    & skf18("6","7","10","1","2","1","1") = "9"
    & skf18("6","7","10","1","2","2","1") = "9"
    & skf18("6","7","10","1","2","3","1") = "9"
    & skf18("6","7","10","1","2","4","1") = "9"
    & skf18("6","7","10","1","2","5","1") = "9"
    & skf18("6","7","10","1","2","6","1") = "9"
    & skf18("6","7","10","1","2","7","1") = "9"
    & skf18("6","7","10","1","2","8","1") = "9"
    & skf18("6","7","10","1","2","9","1") = "9"
    & skf18("6","7","10","1","2","10","1") = "9"
    & skf18("6","7","10","1","3","1","1") = "9"
    & skf18("6","7","10","1","3","2","1") = "9"
    & skf18("6","7","10","1","3","3","1") = "9"
    & skf18("6","7","10","1","3","4","1") = "9"
    & skf18("6","7","10","1","3","5","1") = "9"
    & skf18("6","7","10","1","3","6","1") = "9"
    & skf18("6","7","10","1","3","7","1") = "9"
    & skf18("6","7","10","1","3","8","1") = "9"
    & skf18("6","7","10","1","3","9","1") = "9"
    & skf18("6","7","10","1","3","10","1") = "9"
    & skf18("6","7","10","1","4","1","1") = "9"
    & skf18("6","7","10","1","4","2","1") = "9"
    & skf18("6","7","10","1","4","3","1") = "9"
    & skf18("6","7","10","1","4","4","1") = "9"
    & skf18("6","7","10","1","4","5","1") = "9"
    & skf18("6","7","10","1","4","6","1") = "9"
    & skf18("6","7","10","1","4","7","1") = "9"
    & skf18("6","7","10","1","4","8","1") = "9"
    & skf18("6","7","10","1","4","9","1") = "9"
    & skf18("6","7","10","1","4","10","1") = "9"
    & skf18("6","7","10","1","5","1","1") = "9"
    & skf18("6","7","10","1","5","2","1") = "9"
    & skf18("6","7","10","1","5","3","1") = "9"
    & skf18("6","7","10","1","5","4","1") = "9"
    & skf18("6","7","10","1","5","5","1") = "9"
    & skf18("6","7","10","1","5","6","1") = "9"
    & skf18("6","7","10","1","5","7","1") = "9"
    & skf18("6","7","10","1","5","8","1") = "9"
    & skf18("6","7","10","1","5","9","1") = "9"
    & skf18("6","7","10","1","5","10","1") = "9"
    & skf18("6","7","10","1","6","1","1") = "9"
    & skf18("6","7","10","1","6","2","1") = "9"
    & skf18("6","7","10","1","6","3","1") = "9"
    & skf18("6","7","10","1","6","4","1") = "9"
    & skf18("6","7","10","1","6","5","1") = "9"
    & skf18("6","7","10","1","6","6","1") = "9"
    & skf18("6","7","10","1","6","7","1") = "9"
    & skf18("6","7","10","1","6","8","1") = "9"
    & skf18("6","7","10","1","6","9","1") = "9"
    & skf18("6","7","10","1","6","10","1") = "9"
    & skf18("6","7","10","1","7","1","1") = "9"
    & skf18("6","7","10","1","7","2","1") = "9"
    & skf18("6","7","10","1","7","3","1") = "9"
    & skf18("6","7","10","1","7","4","1") = "9"
    & skf18("6","7","10","1","7","5","1") = "9"
    & skf18("6","7","10","1","7","6","1") = "9"
    & skf18("6","7","10","1","7","7","1") = "9"
    & skf18("6","7","10","1","7","8","1") = "9"
    & skf18("6","7","10","1","7","9","1") = "9"
    & skf18("6","7","10","1","7","10","1") = "9"
    & skf18("6","7","10","1","8","1","1") = "9"
    & skf18("6","7","10","1","8","2","1") = "9"
    & skf18("6","7","10","1","8","3","1") = "9"
    & skf18("6","7","10","1","8","4","1") = "9"
    & skf18("6","7","10","1","8","5","1") = "9"
    & skf18("6","7","10","1","8","6","1") = "9"
    & skf18("6","7","10","1","8","7","1") = "9"
    & skf18("6","7","10","1","8","8","1") = "9"
    & skf18("6","7","10","1","8","9","1") = "9"
    & skf18("6","7","10","1","8","10","1") = "9"
    & skf18("6","7","10","1","9","1","1") = "9"
    & skf18("6","7","10","1","9","2","1") = "9"
    & skf18("6","7","10","1","9","3","1") = "9"
    & skf18("6","7","10","1","9","4","1") = "9"
    & skf18("6","7","10","1","9","5","1") = "9"
    & skf18("6","7","10","1","9","6","1") = "9"
    & skf18("6","7","10","1","9","7","1") = "9"
    & skf18("6","7","10","1","9","8","1") = "9"
    & skf18("6","7","10","1","9","9","1") = "9"
    & skf18("6","7","10","1","9","10","1") = "9"
    & skf18("6","7","10","1","10","1","1") = "9"
    & skf18("6","7","10","1","10","2","1") = "9"
    & skf18("6","7","10","1","10","3","1") = "9"
    & skf18("6","7","10","1","10","4","1") = "9"
    & skf18("6","7","10","1","10","5","1") = "9"
    & skf18("6","7","10","1","10","6","1") = "9"
    & skf18("6","7","10","1","10","7","1") = "9"
    & skf18("6","7","10","1","10","8","1") = "9"
    & skf18("6","7","10","1","10","9","1") = "9"
    & skf18("6","7","10","1","10","10","1") = "9"
    & skf18("6","7","10","2","1","1","1") = "9"
    & skf18("6","7","10","2","1","2","1") = "9"
    & skf18("6","7","10","2","1","3","1") = "9"
    & skf18("6","7","10","2","1","4","1") = "9"
    & skf18("6","7","10","2","1","5","1") = "9"
    & skf18("6","7","10","2","1","6","1") = "9"
    & skf18("6","7","10","2","1","7","1") = "9"
    & skf18("6","7","10","2","1","8","1") = "9"
    & skf18("6","7","10","2","1","9","1") = "9"
    & skf18("6","7","10","2","1","10","1") = "9"
    & skf18("6","7","10","2","2","1","1") = "9"
    & skf18("6","7","10","2","2","2","1") = "9"
    & skf18("6","7","10","2","2","3","1") = "9"
    & skf18("6","7","10","2","2","4","1") = "9"
    & skf18("6","7","10","2","2","5","1") = "9"
    & skf18("6","7","10","2","2","6","1") = "9"
    & skf18("6","7","10","2","2","7","1") = "9"
    & skf18("6","7","10","2","2","8","1") = "9"
    & skf18("6","7","10","2","2","9","1") = "9"
    & skf18("6","7","10","2","2","10","1") = "9"
    & skf18("6","7","10","2","3","1","1") = "9"
    & skf18("6","7","10","2","3","2","1") = "9"
    & skf18("6","7","10","2","3","3","1") = "9"
    & skf18("6","7","10","2","3","4","1") = "9"
    & skf18("6","7","10","2","3","5","1") = "9"
    & skf18("6","7","10","2","3","6","1") = "9"
    & skf18("6","7","10","2","3","7","1") = "9"
    & skf18("6","7","10","2","3","8","1") = "9"
    & skf18("6","7","10","2","3","9","1") = "9"
    & skf18("6","7","10","2","3","10","1") = "9"
    & skf18("6","7","10","2","4","1","1") = "9"
    & skf18("6","7","10","2","4","2","1") = "9"
    & skf18("6","7","10","2","4","3","1") = "9"
    & skf18("6","7","10","2","4","4","1") = "9"
    & skf18("6","7","10","2","4","5","1") = "9"
    & skf18("6","7","10","2","4","6","1") = "9"
    & skf18("6","7","10","2","4","7","1") = "9"
    & skf18("6","7","10","2","4","8","1") = "9"
    & skf18("6","7","10","2","4","9","1") = "9"
    & skf18("6","7","10","2","4","10","1") = "9"
    & skf18("6","7","10","2","5","1","1") = "9"
    & skf18("6","7","10","2","5","2","1") = "9"
    & skf18("6","7","10","2","5","3","1") = "9"
    & skf18("6","7","10","2","5","4","1") = "9"
    & skf18("6","7","10","2","5","5","1") = "9"
    & skf18("6","7","10","2","5","6","1") = "9"
    & skf18("6","7","10","2","5","7","1") = "9"
    & skf18("6","7","10","2","5","8","1") = "9"
    & skf18("6","7","10","2","5","9","1") = "9"
    & skf18("6","7","10","2","5","10","1") = "9"
    & skf18("6","7","10","2","6","1","1") = "9"
    & skf18("6","7","10","2","6","2","1") = "9"
    & skf18("6","7","10","2","6","3","1") = "9"
    & skf18("6","7","10","2","6","4","1") = "9"
    & skf18("6","7","10","2","6","5","1") = "9"
    & skf18("6","7","10","2","6","6","1") = "9"
    & skf18("6","7","10","2","6","7","1") = "9"
    & skf18("6","7","10","2","6","8","1") = "9"
    & skf18("6","7","10","2","6","9","1") = "9"
    & skf18("6","7","10","2","6","10","1") = "9"
    & skf18("6","7","10","2","7","1","1") = "9"
    & skf18("6","7","10","2","7","2","1") = "9"
    & skf18("6","7","10","2","7","3","1") = "9"
    & skf18("6","7","10","2","7","4","1") = "9"
    & skf18("6","7","10","2","7","5","1") = "9"
    & skf18("6","7","10","2","7","6","1") = "9"
    & skf18("6","7","10","2","7","7","1") = "9"
    & skf18("6","7","10","2","7","8","1") = "9"
    & skf18("6","7","10","2","7","9","1") = "9"
    & skf18("6","7","10","2","7","10","1") = "9"
    & skf18("6","7","10","2","8","1","1") = "9"
    & skf18("6","7","10","2","8","2","1") = "9"
    & skf18("6","7","10","2","8","3","1") = "9"
    & skf18("6","7","10","2","8","4","1") = "9"
    & skf18("6","7","10","2","8","5","1") = "9"
    & skf18("6","7","10","2","8","6","1") = "9"
    & skf18("6","7","10","2","8","7","1") = "9"
    & skf18("6","7","10","2","8","8","1") = "9"
    & skf18("6","7","10","2","8","9","1") = "9"
    & skf18("6","7","10","2","8","10","1") = "9"
    & skf18("6","7","10","2","9","1","1") = "9"
    & skf18("6","7","10","2","9","2","1") = "9"
    & skf18("6","7","10","2","9","3","1") = "9"
    & skf18("6","7","10","2","9","4","1") = "9"
    & skf18("6","7","10","2","9","5","1") = "9"
    & skf18("6","7","10","2","9","6","1") = "9"
    & skf18("6","7","10","2","9","7","1") = "9"
    & skf18("6","7","10","2","9","8","1") = "9"
    & skf18("6","7","10","2","9","9","1") = "9"
    & skf18("6","7","10","2","9","10","1") = "9"
    & skf18("6","7","10","2","10","1","1") = "9"
    & skf18("6","7","10","2","10","2","1") = "9"
    & skf18("6","7","10","2","10","3","1") = "9"
    & skf18("6","7","10","2","10","4","1") = "9"
    & skf18("6","7","10","2","10","5","1") = "9"
    & skf18("6","7","10","2","10","6","1") = "9"
    & skf18("6","7","10","2","10","7","1") = "9"
    & skf18("6","7","10","2","10","8","1") = "9"
    & skf18("6","7","10","2","10","9","1") = "9"
    & skf18("6","7","10","2","10","10","1") = "9"
    & skf18("6","7","10","3","1","1","1") = "9"
    & skf18("6","7","10","3","1","2","1") = "9"
    & skf18("6","7","10","3","1","3","1") = "9"
    & skf18("6","7","10","3","1","4","1") = "9"
    & skf18("6","7","10","3","1","5","1") = "9"
    & skf18("6","7","10","3","1","6","1") = "9"
    & skf18("6","7","10","3","1","7","1") = "9"
    & skf18("6","7","10","3","1","8","1") = "9"
    & skf18("6","7","10","3","1","9","1") = "9"
    & skf18("6","7","10","3","1","10","1") = "9"
    & skf18("6","7","10","3","2","1","1") = "9"
    & skf18("6","7","10","3","2","2","1") = "9"
    & skf18("6","7","10","3","2","3","1") = "9"
    & skf18("6","7","10","3","2","4","1") = "9"
    & skf18("6","7","10","3","2","5","1") = "9"
    & skf18("6","7","10","3","2","6","1") = "9"
    & skf18("6","7","10","3","2","7","1") = "9"
    & skf18("6","7","10","3","2","8","1") = "9"
    & skf18("6","7","10","3","2","9","1") = "9"
    & skf18("6","7","10","3","2","10","1") = "9"
    & skf18("6","7","10","3","3","1","1") = "9"
    & skf18("6","7","10","3","3","2","1") = "9"
    & skf18("6","7","10","3","3","3","1") = "9"
    & skf18("6","7","10","3","3","4","1") = "9"
    & skf18("6","7","10","3","3","5","1") = "9"
    & skf18("6","7","10","3","3","6","1") = "9"
    & skf18("6","7","10","3","3","7","1") = "9"
    & skf18("6","7","10","3","3","8","1") = "9"
    & skf18("6","7","10","3","3","9","1") = "9"
    & skf18("6","7","10","3","3","10","1") = "9"
    & skf18("6","7","10","3","4","1","1") = "9"
    & skf18("6","7","10","3","4","2","1") = "9"
    & skf18("6","7","10","3","4","3","1") = "9"
    & skf18("6","7","10","3","4","4","1") = "9"
    & skf18("6","7","10","3","4","5","1") = "9"
    & skf18("6","7","10","3","4","6","1") = "9"
    & skf18("6","7","10","3","4","7","1") = "9"
    & skf18("6","7","10","3","4","8","1") = "9"
    & skf18("6","7","10","3","4","9","1") = "9"
    & skf18("6","7","10","3","4","10","1") = "9"
    & skf18("6","7","10","3","5","1","1") = "9"
    & skf18("6","7","10","3","5","2","1") = "9"
    & skf18("6","7","10","3","5","3","1") = "9"
    & skf18("6","7","10","3","5","4","1") = "9"
    & skf18("6","7","10","3","5","5","1") = "9"
    & skf18("6","7","10","3","5","6","1") = "9"
    & skf18("6","7","10","3","5","7","1") = "9"
    & skf18("6","7","10","3","5","8","1") = "9"
    & skf18("6","7","10","3","5","9","1") = "9"
    & skf18("6","7","10","3","5","10","1") = "9"
    & skf18("6","7","10","3","6","1","1") = "9"
    & skf18("6","7","10","3","6","2","1") = "9"
    & skf18("6","7","10","3","6","3","1") = "9"
    & skf18("6","7","10","3","6","4","1") = "9"
    & skf18("6","7","10","3","6","5","1") = "9"
    & skf18("6","7","10","3","6","6","1") = "9"
    & skf18("6","7","10","3","6","7","1") = "9"
    & skf18("6","7","10","3","6","8","1") = "9"
    & skf18("6","7","10","3","6","9","1") = "9"
    & skf18("6","7","10","3","6","10","1") = "9"
    & skf18("6","7","10","3","7","1","1") = "9"
    & skf18("6","7","10","3","7","2","1") = "9"
    & skf18("6","7","10","3","7","3","1") = "9"
    & skf18("6","7","10","3","7","4","1") = "9"
    & skf18("6","7","10","3","7","5","1") = "9"
    & skf18("6","7","10","3","7","6","1") = "9"
    & skf18("6","7","10","3","7","7","1") = "9"
    & skf18("6","7","10","3","7","8","1") = "9"
    & skf18("6","7","10","3","7","9","1") = "9"
    & skf18("6","7","10","3","7","10","1") = "9"
    & skf18("6","7","10","3","8","1","1") = "9"
    & skf18("6","7","10","3","8","2","1") = "9"
    & skf18("6","7","10","3","8","3","1") = "9"
    & skf18("6","7","10","3","8","4","1") = "9"
    & skf18("6","7","10","3","8","5","1") = "9"
    & skf18("6","7","10","3","8","6","1") = "9"
    & skf18("6","7","10","3","8","7","1") = "9"
    & skf18("6","7","10","3","8","8","1") = "9"
    & skf18("6","7","10","3","8","9","1") = "9"
    & skf18("6","7","10","3","8","10","1") = "9"
    & skf18("6","7","10","3","9","1","1") = "9"
    & skf18("6","7","10","3","9","2","1") = "9"
    & skf18("6","7","10","3","9","3","1") = "9"
    & skf18("6","7","10","3","9","4","1") = "9"
    & skf18("6","7","10","3","9","5","1") = "9"
    & skf18("6","7","10","3","9","6","1") = "9"
    & skf18("6","7","10","3","9","7","1") = "9"
    & skf18("6","7","10","3","9","8","1") = "9"
    & skf18("6","7","10","3","9","9","1") = "9"
    & skf18("6","7","10","3","9","10","1") = "9"
    & skf18("6","7","10","3","10","1","1") = "9"
    & skf18("6","7","10","3","10","2","1") = "9"
    & skf18("6","7","10","3","10","3","1") = "9"
    & skf18("6","7","10","3","10","4","1") = "9"
    & skf18("6","7","10","3","10","5","1") = "9"
    & skf18("6","7","10","3","10","6","1") = "9"
    & skf18("6","7","10","3","10","7","1") = "9"
    & skf18("6","7","10","3","10","8","1") = "9"
    & skf18("6","7","10","3","10","9","1") = "9"
    & skf18("6","7","10","3","10","10","1") = "9"
    & skf18("6","7","10","4","1","1","1") = "9"
    & skf18("6","7","10","4","1","2","1") = "9"
    & skf18("6","7","10","4","1","3","1") = "9"
    & skf18("6","7","10","4","1","4","1") = "9"
    & skf18("6","7","10","4","1","5","1") = "9"
    & skf18("6","7","10","4","1","6","1") = "9"
    & skf18("6","7","10","4","1","7","1") = "9"
    & skf18("6","7","10","4","1","8","1") = "9"
    & skf18("6","7","10","4","1","9","1") = "9"
    & skf18("6","7","10","4","1","10","1") = "9"
    & skf18("6","7","10","4","2","1","1") = "9"
    & skf18("6","7","10","4","2","2","1") = "9"
    & skf18("6","7","10","4","2","3","1") = "9"
    & skf18("6","7","10","4","2","4","1") = "9"
    & skf18("6","7","10","4","2","5","1") = "9"
    & skf18("6","7","10","4","2","6","1") = "9"
    & skf18("6","7","10","4","2","7","1") = "9"
    & skf18("6","7","10","4","2","8","1") = "9"
    & skf18("6","7","10","4","2","9","1") = "9"
    & skf18("6","7","10","4","2","10","1") = "9"
    & skf18("6","7","10","4","3","1","1") = "9"
    & skf18("6","7","10","4","3","2","1") = "9"
    & skf18("6","7","10","4","3","3","1") = "9"
    & skf18("6","7","10","4","3","4","1") = "9"
    & skf18("6","7","10","4","3","5","1") = "9"
    & skf18("6","7","10","4","3","6","1") = "9"
    & skf18("6","7","10","4","3","7","1") = "9"
    & skf18("6","7","10","4","3","8","1") = "9"
    & skf18("6","7","10","4","3","9","1") = "9"
    & skf18("6","7","10","4","3","10","1") = "9"
    & skf18("6","7","10","4","4","1","1") = "9"
    & skf18("6","7","10","4","4","2","1") = "9"
    & skf18("6","7","10","4","4","3","1") = "9"
    & skf18("6","7","10","4","4","4","1") = "9"
    & skf18("6","7","10","4","4","5","1") = "9"
    & skf18("6","7","10","4","4","6","1") = "9"
    & skf18("6","7","10","4","4","7","1") = "9"
    & skf18("6","7","10","4","4","8","1") = "9"
    & skf18("6","7","10","4","4","9","1") = "9"
    & skf18("6","7","10","4","4","10","1") = "9"
    & skf18("6","7","10","4","5","1","1") = "9"
    & skf18("6","7","10","4","5","2","1") = "9"
    & skf18("6","7","10","4","5","3","1") = "9"
    & skf18("6","7","10","4","5","4","1") = "9"
    & skf18("6","7","10","4","5","5","1") = "9"
    & skf18("6","7","10","4","5","6","1") = "9"
    & skf18("6","7","10","4","5","7","1") = "9"
    & skf18("6","7","10","4","5","8","1") = "9"
    & skf18("6","7","10","4","5","9","1") = "9"
    & skf18("6","7","10","4","5","10","1") = "9"
    & skf18("6","7","10","4","6","1","1") = "9"
    & skf18("6","7","10","4","6","2","1") = "9"
    & skf18("6","7","10","4","6","3","1") = "9"
    & skf18("6","7","10","4","6","4","1") = "9"
    & skf18("6","7","10","4","6","5","1") = "9"
    & skf18("6","7","10","4","6","6","1") = "9"
    & skf18("6","7","10","4","6","7","1") = "9"
    & skf18("6","7","10","4","6","8","1") = "9"
    & skf18("6","7","10","4","6","9","1") = "9"
    & skf18("6","7","10","4","6","10","1") = "9"
    & skf18("6","7","10","4","7","1","1") = "9"
    & skf18("6","7","10","4","7","2","1") = "9"
    & skf18("6","7","10","4","7","3","1") = "9"
    & skf18("6","7","10","4","7","4","1") = "9"
    & skf18("6","7","10","4","7","5","1") = "9"
    & skf18("6","7","10","4","7","6","1") = "9"
    & skf18("6","7","10","4","7","7","1") = "9"
    & skf18("6","7","10","4","7","8","1") = "9"
    & skf18("6","7","10","4","7","9","1") = "9"
    & skf18("6","7","10","4","7","10","1") = "9"
    & skf18("6","7","10","4","8","1","1") = "9"
    & skf18("6","7","10","4","8","2","1") = "9"
    & skf18("6","7","10","4","8","3","1") = "9"
    & skf18("6","7","10","4","8","4","1") = "9"
    & skf18("6","7","10","4","8","5","1") = "9"
    & skf18("6","7","10","4","8","6","1") = "9"
    & skf18("6","7","10","4","8","7","1") = "9"
    & skf18("6","7","10","4","8","8","1") = "9"
    & skf18("6","7","10","4","8","9","1") = "9"
    & skf18("6","7","10","4","8","10","1") = "9"
    & skf18("6","7","10","4","9","1","1") = "9"
    & skf18("6","7","10","4","9","2","1") = "9"
    & skf18("6","7","10","4","9","3","1") = "9"
    & skf18("6","7","10","4","9","4","1") = "9"
    & skf18("6","7","10","4","9","5","1") = "9"
    & skf18("6","7","10","4","9","6","1") = "9"
    & skf18("6","7","10","4","9","7","1") = "9"
    & skf18("6","7","10","4","9","8","1") = "9"
    & skf18("6","7","10","4","9","9","1") = "9"
    & skf18("6","7","10","4","9","10","1") = "9"
    & skf18("6","7","10","4","10","1","1") = "9"
    & skf18("6","7","10","4","10","2","1") = "9"
    & skf18("6","7","10","4","10","3","1") = "9"
    & skf18("6","7","10","4","10","4","1") = "9"
    & skf18("6","7","10","4","10","5","1") = "9"
    & skf18("6","7","10","4","10","6","1") = "9"
    & skf18("6","7","10","4","10","7","1") = "9"
    & skf18("6","7","10","4","10","8","1") = "9"
    & skf18("6","7","10","4","10","9","1") = "9"
    & skf18("6","7","10","4","10","10","1") = "9"
    & skf18("6","7","10","5","1","1","1") = "9"
    & skf18("6","7","10","5","1","2","1") = "9"
    & skf18("6","7","10","5","1","3","1") = "9"
    & skf18("6","7","10","5","1","4","1") = "9"
    & skf18("6","7","10","5","1","5","1") = "9"
    & skf18("6","7","10","5","1","6","1") = "9"
    & skf18("6","7","10","5","1","7","1") = "9"
    & skf18("6","7","10","5","1","8","1") = "9"
    & skf18("6","7","10","5","1","9","1") = "9"
    & skf18("6","7","10","5","1","10","1") = "9"
    & skf18("6","7","10","5","2","1","1") = "9"
    & skf18("6","7","10","5","2","2","1") = "9"
    & skf18("6","7","10","5","2","3","1") = "9"
    & skf18("6","7","10","5","2","4","1") = "9"
    & skf18("6","7","10","5","2","5","1") = "9"
    & skf18("6","7","10","5","2","6","1") = "9"
    & skf18("6","7","10","5","2","7","1") = "9"
    & skf18("6","7","10","5","2","8","1") = "9"
    & skf18("6","7","10","5","2","9","1") = "9"
    & skf18("6","7","10","5","2","10","1") = "9"
    & skf18("6","7","10","5","3","1","1") = "9"
    & skf18("6","7","10","5","3","2","1") = "9"
    & skf18("6","7","10","5","3","3","1") = "9"
    & skf18("6","7","10","5","3","4","1") = "9"
    & skf18("6","7","10","5","3","5","1") = "9"
    & skf18("6","7","10","5","3","6","1") = "9"
    & skf18("6","7","10","5","3","7","1") = "9"
    & skf18("6","7","10","5","3","8","1") = "9"
    & skf18("6","7","10","5","3","9","1") = "9"
    & skf18("6","7","10","5","3","10","1") = "9"
    & skf18("6","7","10","5","4","1","1") = "9"
    & skf18("6","7","10","5","4","2","1") = "9"
    & skf18("6","7","10","5","4","3","1") = "9"
    & skf18("6","7","10","5","4","4","1") = "9"
    & skf18("6","7","10","5","4","5","1") = "9"
    & skf18("6","7","10","5","4","6","1") = "9"
    & skf18("6","7","10","5","4","7","1") = "9"
    & skf18("6","7","10","5","4","8","1") = "9"
    & skf18("6","7","10","5","4","9","1") = "9"
    & skf18("6","7","10","5","4","10","1") = "9"
    & skf18("6","7","10","5","5","1","1") = "9"
    & skf18("6","7","10","5","5","2","1") = "9"
    & skf18("6","7","10","5","5","3","1") = "9"
    & skf18("6","7","10","5","5","4","1") = "9"
    & skf18("6","7","10","5","5","5","1") = "9"
    & skf18("6","7","10","5","5","6","1") = "9"
    & skf18("6","7","10","5","5","7","1") = "9"
    & skf18("6","7","10","5","5","8","1") = "9"
    & skf18("6","7","10","5","5","9","1") = "9"
    & skf18("6","7","10","5","5","10","1") = "9"
    & skf18("6","7","10","5","6","1","1") = "9"
    & skf18("6","7","10","5","6","2","1") = "9"
    & skf18("6","7","10","5","6","3","1") = "9"
    & skf18("6","7","10","5","6","4","1") = "9"
    & skf18("6","7","10","5","6","5","1") = "9"
    & skf18("6","7","10","5","6","6","1") = "9"
    & skf18("6","7","10","5","6","7","1") = "9"
    & skf18("6","7","10","5","6","8","1") = "9"
    & skf18("6","7","10","5","6","9","1") = "9"
    & skf18("6","7","10","5","6","10","1") = "9"
    & skf18("6","7","10","5","7","1","1") = "9"
    & skf18("6","7","10","5","7","2","1") = "9"
    & skf18("6","7","10","5","7","3","1") = "9"
    & skf18("6","7","10","5","7","4","1") = "9"
    & skf18("6","7","10","5","7","5","1") = "9"
    & skf18("6","7","10","5","7","6","1") = "9"
    & skf18("6","7","10","5","7","7","1") = "9"
    & skf18("6","7","10","5","7","8","1") = "9"
    & skf18("6","7","10","5","7","9","1") = "9"
    & skf18("6","7","10","5","7","10","1") = "9"
    & skf18("6","7","10","5","8","1","1") = "9"
    & skf18("6","7","10","5","8","2","1") = "9"
    & skf18("6","7","10","5","8","3","1") = "9"
    & skf18("6","7","10","5","8","4","1") = "9"
    & skf18("6","7","10","5","8","5","1") = "9"
    & skf18("6","7","10","5","8","6","1") = "9"
    & skf18("6","7","10","5","8","7","1") = "9"
    & skf18("6","7","10","5","8","8","1") = "9"
    & skf18("6","7","10","5","8","9","1") = "9"
    & skf18("6","7","10","5","8","10","1") = "9"
    & skf18("6","7","10","5","9","1","1") = "9"
    & skf18("6","7","10","5","9","2","1") = "9"
    & skf18("6","7","10","5","9","3","1") = "9"
    & skf18("6","7","10","5","9","4","1") = "9"
    & skf18("6","7","10","5","9","5","1") = "9"
    & skf18("6","7","10","5","9","6","1") = "9"
    & skf18("6","7","10","5","9","7","1") = "9"
    & skf18("6","7","10","5","9","8","1") = "9"
    & skf18("6","7","10","5","9","9","1") = "9"
    & skf18("6","7","10","5","9","10","1") = "9"
    & skf18("6","7","10","5","10","1","1") = "9"
    & skf18("6","7","10","5","10","2","1") = "9"
    & skf18("6","7","10","5","10","3","1") = "9"
    & skf18("6","7","10","5","10","4","1") = "9"
    & skf18("6","7","10","5","10","5","1") = "9"
    & skf18("6","7","10","5","10","6","1") = "9"
    & skf18("6","7","10","5","10","7","1") = "9"
    & skf18("6","7","10","5","10","8","1") = "9"
    & skf18("6","7","10","5","10","9","1") = "9"
    & skf18("6","7","10","5","10","10","1") = "9"
    & skf18("6","7","10","6","1","1","1") = "9"
    & skf18("6","7","10","6","1","2","1") = "9"
    & skf18("6","7","10","6","1","3","1") = "9"
    & skf18("6","7","10","6","1","4","1") = "9"
    & skf18("6","7","10","6","1","5","1") = "9"
    & skf18("6","7","10","6","1","6","1") = "9"
    & skf18("6","7","10","6","1","7","1") = "9"
    & skf18("6","7","10","6","1","8","1") = "9"
    & skf18("6","7","10","6","1","9","1") = "9"
    & skf18("6","7","10","6","1","10","1") = "9"
    & skf18("6","7","10","6","2","1","1") = "9"
    & skf18("6","7","10","6","2","2","1") = "9"
    & skf18("6","7","10","6","2","3","1") = "9"
    & skf18("6","7","10","6","2","4","1") = "9"
    & skf18("6","7","10","6","2","5","1") = "9"
    & skf18("6","7","10","6","2","6","1") = "9"
    & skf18("6","7","10","6","2","7","1") = "9"
    & skf18("6","7","10","6","2","8","1") = "9"
    & skf18("6","7","10","6","2","9","1") = "9"
    & skf18("6","7","10","6","2","10","1") = "9"
    & skf18("6","7","10","6","3","1","1") = "9"
    & skf18("6","7","10","6","3","2","1") = "9"
    & skf18("6","7","10","6","3","3","1") = "9"
    & skf18("6","7","10","6","3","4","1") = "9"
    & skf18("6","7","10","6","3","5","1") = "9"
    & skf18("6","7","10","6","3","6","1") = "9"
    & skf18("6","7","10","6","3","7","1") = "9"
    & skf18("6","7","10","6","3","8","1") = "9"
    & skf18("6","7","10","6","3","9","1") = "9"
    & skf18("6","7","10","6","3","10","1") = "9"
    & skf18("6","7","10","6","4","1","1") = "9"
    & skf18("6","7","10","6","4","2","1") = "9"
    & skf18("6","7","10","6","4","3","1") = "9"
    & skf18("6","7","10","6","4","4","1") = "9"
    & skf18("6","7","10","6","4","5","1") = "9"
    & skf18("6","7","10","6","4","6","1") = "9"
    & skf18("6","7","10","6","4","7","1") = "9"
    & skf18("6","7","10","6","4","8","1") = "9"
    & skf18("6","7","10","6","4","9","1") = "9"
    & skf18("6","7","10","6","4","10","1") = "9"
    & skf18("6","7","10","6","5","1","1") = "9"
    & skf18("6","7","10","6","5","2","1") = "9"
    & skf18("6","7","10","6","5","3","1") = "9"
    & skf18("6","7","10","6","5","4","1") = "9"
    & skf18("6","7","10","6","5","5","1") = "9"
    & skf18("6","7","10","6","5","6","1") = "9"
    & skf18("6","7","10","6","5","7","1") = "9"
    & skf18("6","7","10","6","5","8","1") = "9"
    & skf18("6","7","10","6","5","9","1") = "9"
    & skf18("6","7","10","6","5","10","1") = "9"
    & skf18("6","7","10","6","6","1","1") = "9"
    & skf18("6","7","10","6","6","2","1") = "9"
    & skf18("6","7","10","6","6","3","1") = "9"
    & skf18("6","7","10","6","6","4","1") = "9"
    & skf18("6","7","10","6","6","5","1") = "9"
    & skf18("6","7","10","6","6","6","1") = "9"
    & skf18("6","7","10","6","6","7","1") = "9"
    & skf18("6","7","10","6","6","8","1") = "9"
    & skf18("6","7","10","6","6","9","1") = "9"
    & skf18("6","7","10","6","6","10","1") = "9"
    & skf18("6","7","10","6","7","1","1") = "9"
    & skf18("6","7","10","6","7","2","1") = "9"
    & skf18("6","7","10","6","7","3","1") = "9"
    & skf18("6","7","10","6","7","4","1") = "9"
    & skf18("6","7","10","6","7","5","1") = "9"
    & skf18("6","7","10","6","7","6","1") = "9"
    & skf18("6","7","10","6","7","7","1") = "9"
    & skf18("6","7","10","6","7","8","1") = "9"
    & skf18("6","7","10","6","7","9","1") = "9"
    & skf18("6","7","10","6","7","10","1") = "9"
    & skf18("6","7","10","6","8","1","1") = "9"
    & skf18("6","7","10","6","8","2","1") = "9"
    & skf18("6","7","10","6","8","3","1") = "9"
    & skf18("6","7","10","6","8","4","1") = "9"
    & skf18("6","7","10","6","8","5","1") = "9"
    & skf18("6","7","10","6","8","6","1") = "9"
    & skf18("6","7","10","6","8","7","1") = "9"
    & skf18("6","7","10","6","8","8","1") = "9"
    & skf18("6","7","10","6","8","9","1") = "9"
    & skf18("6","7","10","6","8","10","1") = "9"
    & skf18("6","7","10","6","9","1","1") = "9"
    & skf18("6","7","10","6","9","2","1") = "9"
    & skf18("6","7","10","6","9","3","1") = "9"
    & skf18("6","7","10","6","9","4","1") = "9"
    & skf18("6","7","10","6","9","5","1") = "9"
    & skf18("6","7","10","6","9","6","1") = "9"
    & skf18("6","7","10","6","9","7","1") = "9"
    & skf18("6","7","10","6","9","8","1") = "9"
    & skf18("6","7","10","6","9","9","1") = "9"
    & skf18("6","7","10","6","9","10","1") = "9"
    & skf18("6","7","10","6","10","1","1") = "9"
    & skf18("6","7","10","6","10","2","1") = "9"
    & skf18("6","7","10","6","10","3","1") = "9"
    & skf18("6","7","10","6","10","4","1") = "9"
    & skf18("6","7","10","6","10","5","1") = "9"
    & skf18("6","7","10","6","10","6","1") = "9"
    & skf18("6","7","10","6","10","7","1") = "9"
    & skf18("6","7","10","6","10","8","1") = "9"
    & skf18("6","7","10","6","10","9","1") = "9"
    & skf18("6","7","10","6","10","10","1") = "9"
    & skf18("6","7","10","7","1","1","1") = "9"
    & skf18("6","7","10","7","1","2","1") = "9"
    & skf18("6","7","10","7","1","3","1") = "9"
    & skf18("6","7","10","7","1","4","1") = "9"
    & skf18("6","7","10","7","1","5","1") = "9"
    & skf18("6","7","10","7","1","6","1") = "9"
    & skf18("6","7","10","7","1","7","1") = "9"
    & skf18("6","7","10","7","1","8","1") = "9"
    & skf18("6","7","10","7","1","9","1") = "9"
    & skf18("6","7","10","7","1","10","1") = "9"
    & skf18("6","7","10","7","2","1","1") = "9"
    & skf18("6","7","10","7","2","2","1") = "9"
    & skf18("6","7","10","7","2","3","1") = "9"
    & skf18("6","7","10","7","2","4","1") = "9"
    & skf18("6","7","10","7","2","5","1") = "9"
    & skf18("6","7","10","7","2","6","1") = "9"
    & skf18("6","7","10","7","2","7","1") = "9"
    & skf18("6","7","10","7","2","8","1") = "9"
    & skf18("6","7","10","7","2","9","1") = "9"
    & skf18("6","7","10","7","2","10","1") = "9"
    & skf18("6","7","10","7","3","1","1") = "9"
    & skf18("6","7","10","7","3","2","1") = "9"
    & skf18("6","7","10","7","3","3","1") = "9"
    & skf18("6","7","10","7","3","4","1") = "9"
    & skf18("6","7","10","7","3","5","1") = "9"
    & skf18("6","7","10","7","3","6","1") = "9"
    & skf18("6","7","10","7","3","7","1") = "9"
    & skf18("6","7","10","7","3","8","1") = "9"
    & skf18("6","7","10","7","3","9","1") = "9"
    & skf18("6","7","10","7","3","10","1") = "9"
    & skf18("6","7","10","7","4","1","1") = "9"
    & skf18("6","7","10","7","4","2","1") = "9"
    & skf18("6","7","10","7","4","3","1") = "9"
    & skf18("6","7","10","7","4","4","1") = "9"
    & skf18("6","7","10","7","4","5","1") = "9"
    & skf18("6","7","10","7","4","6","1") = "9"
    & skf18("6","7","10","7","4","7","1") = "9"
    & skf18("6","7","10","7","4","8","1") = "9"
    & skf18("6","7","10","7","4","9","1") = "9"
    & skf18("6","7","10","7","4","10","1") = "9"
    & skf18("6","7","10","7","5","1","1") = "9"
    & skf18("6","7","10","7","5","2","1") = "9"
    & skf18("6","7","10","7","5","3","1") = "9"
    & skf18("6","7","10","7","5","4","1") = "9"
    & skf18("6","7","10","7","5","5","1") = "9"
    & skf18("6","7","10","7","5","6","1") = "9"
    & skf18("6","7","10","7","5","7","1") = "9"
    & skf18("6","7","10","7","5","8","1") = "9"
    & skf18("6","7","10","7","5","9","1") = "9"
    & skf18("6","7","10","7","5","10","1") = "9"
    & skf18("6","7","10","7","6","1","1") = "9"
    & skf18("6","7","10","7","6","2","1") = "9"
    & skf18("6","7","10","7","6","3","1") = "9"
    & skf18("6","7","10","7","6","4","1") = "9"
    & skf18("6","7","10","7","6","5","1") = "9"
    & skf18("6","7","10","7","6","6","1") = "9"
    & skf18("6","7","10","7","6","7","1") = "9"
    & skf18("6","7","10","7","6","8","1") = "9"
    & skf18("6","7","10","7","6","9","1") = "9"
    & skf18("6","7","10","7","6","10","1") = "9"
    & skf18("6","7","10","7","7","1","1") = "9"
    & skf18("6","7","10","7","7","2","1") = "9"
    & skf18("6","7","10","7","7","3","1") = "9"
    & skf18("6","7","10","7","7","4","1") = "9"
    & skf18("6","7","10","7","7","5","1") = "9"
    & skf18("6","7","10","7","7","6","1") = "9"
    & skf18("6","7","10","7","7","7","1") = "9"
    & skf18("6","7","10","7","7","8","1") = "9"
    & skf18("6","7","10","7","7","9","1") = "9"
    & skf18("6","7","10","7","7","10","1") = "9"
    & skf18("6","7","10","7","8","1","1") = "9"
    & skf18("6","7","10","7","8","2","1") = "9"
    & skf18("6","7","10","7","8","3","1") = "9"
    & skf18("6","7","10","7","8","4","1") = "9"
    & skf18("6","7","10","7","8","5","1") = "9"
    & skf18("6","7","10","7","8","6","1") = "9"
    & skf18("6","7","10","7","8","7","1") = "9"
    & skf18("6","7","10","7","8","8","1") = "9"
    & skf18("6","7","10","7","8","9","1") = "9"
    & skf18("6","7","10","7","8","10","1") = "9"
    & skf18("6","7","10","7","9","1","1") = "9"
    & skf18("6","7","10","7","9","2","1") = "9"
    & skf18("6","7","10","7","9","3","1") = "9"
    & skf18("6","7","10","7","9","4","1") = "9"
    & skf18("6","7","10","7","9","5","1") = "9"
    & skf18("6","7","10","7","9","6","1") = "9"
    & skf18("6","7","10","7","9","7","1") = "9"
    & skf18("6","7","10","7","9","8","1") = "9"
    & skf18("6","7","10","7","9","9","1") = "9"
    & skf18("6","7","10","7","9","10","1") = "9"
    & skf18("6","7","10","7","10","1","1") = "9"
    & skf18("6","7","10","7","10","2","1") = "9"
    & skf18("6","7","10","7","10","3","1") = "9"
    & skf18("6","7","10","7","10","4","1") = "9"
    & skf18("6","7","10","7","10","5","1") = "9"
    & skf18("6","7","10","7","10","6","1") = "9"
    & skf18("6","7","10","7","10","7","1") = "9"
    & skf18("6","7","10","7","10","8","1") = "9"
    & skf18("6","7","10","7","10","9","1") = "9"
    & skf18("6","7","10","7","10","10","1") = "9"
    & skf18("6","7","10","8","1","1","1") = "9"
    & skf18("6","7","10","8","1","2","1") = "9"
    & skf18("6","7","10","8","1","3","1") = "9"
    & skf18("6","7","10","8","1","4","1") = "9"
    & skf18("6","7","10","8","1","5","1") = "9"
    & skf18("6","7","10","8","1","6","1") = "9"
    & skf18("6","7","10","8","1","7","1") = "9"
    & skf18("6","7","10","8","1","8","1") = "9"
    & skf18("6","7","10","8","1","9","1") = "9"
    & skf18("6","7","10","8","1","10","1") = "9"
    & skf18("6","7","10","8","2","1","1") = "9"
    & skf18("6","7","10","8","2","2","1") = "9"
    & skf18("6","7","10","8","2","3","1") = "9"
    & skf18("6","7","10","8","2","4","1") = "9"
    & skf18("6","7","10","8","2","5","1") = "9"
    & skf18("6","7","10","8","2","6","1") = "9"
    & skf18("6","7","10","8","2","7","1") = "9"
    & skf18("6","7","10","8","2","8","1") = "9"
    & skf18("6","7","10","8","2","9","1") = "9"
    & skf18("6","7","10","8","2","10","1") = "9"
    & skf18("6","7","10","8","3","1","1") = "9"
    & skf18("6","7","10","8","3","2","1") = "9"
    & skf18("6","7","10","8","3","3","1") = "9"
    & skf18("6","7","10","8","3","4","1") = "9"
    & skf18("6","7","10","8","3","5","1") = "9"
    & skf18("6","7","10","8","3","6","1") = "9"
    & skf18("6","7","10","8","3","7","1") = "9"
    & skf18("6","7","10","8","3","8","1") = "9"
    & skf18("6","7","10","8","3","9","1") = "9"
    & skf18("6","7","10","8","3","10","1") = "9"
    & skf18("6","7","10","8","4","1","1") = "9"
    & skf18("6","7","10","8","4","2","1") = "9"
    & skf18("6","7","10","8","4","3","1") = "9"
    & skf18("6","7","10","8","4","4","1") = "9"
    & skf18("6","7","10","8","4","5","1") = "9"
    & skf18("6","7","10","8","4","6","1") = "9"
    & skf18("6","7","10","8","4","7","1") = "9"
    & skf18("6","7","10","8","4","8","1") = "9"
    & skf18("6","7","10","8","4","9","1") = "9"
    & skf18("6","7","10","8","4","10","1") = "9"
    & skf18("6","7","10","8","5","1","1") = "9"
    & skf18("6","7","10","8","5","2","1") = "9"
    & skf18("6","7","10","8","5","3","1") = "9"
    & skf18("6","7","10","8","5","4","1") = "9"
    & skf18("6","7","10","8","5","5","1") = "9"
    & skf18("6","7","10","8","5","6","1") = "9"
    & skf18("6","7","10","8","5","7","1") = "9"
    & skf18("6","7","10","8","5","8","1") = "9"
    & skf18("6","7","10","8","5","9","1") = "9"
    & skf18("6","7","10","8","5","10","1") = "9"
    & skf18("6","7","10","8","6","1","1") = "9"
    & skf18("6","7","10","8","6","2","1") = "9"
    & skf18("6","7","10","8","6","3","1") = "9"
    & skf18("6","7","10","8","6","4","1") = "9"
    & skf18("6","7","10","8","6","5","1") = "9"
    & skf18("6","7","10","8","6","6","1") = "9"
    & skf18("6","7","10","8","6","7","1") = "9"
    & skf18("6","7","10","8","6","8","1") = "9"
    & skf18("6","7","10","8","6","9","1") = "9"
    & skf18("6","7","10","8","6","10","1") = "9"
    & skf18("6","7","10","8","7","1","1") = "9"
    & skf18("6","7","10","8","7","2","1") = "9"
    & skf18("6","7","10","8","7","3","1") = "9"
    & skf18("6","7","10","8","7","4","1") = "9"
    & skf18("6","7","10","8","7","5","1") = "9"
    & skf18("6","7","10","8","7","6","1") = "9"
    & skf18("6","7","10","8","7","7","1") = "9"
    & skf18("6","7","10","8","7","8","1") = "9"
    & skf18("6","7","10","8","7","9","1") = "9"
    & skf18("6","7","10","8","7","10","1") = "9"
    & skf18("6","7","10","8","8","1","1") = "9"
    & skf18("6","7","10","8","8","2","1") = "9"
    & skf18("6","7","10","8","8","3","1") = "9"
    & skf18("6","7","10","8","8","4","1") = "9"
    & skf18("6","7","10","8","8","5","1") = "9"
    & skf18("6","7","10","8","8","6","1") = "9"
    & skf18("6","7","10","8","8","7","1") = "9"
    & skf18("6","7","10","8","8","8","1") = "9"
    & skf18("6","7","10","8","8","9","1") = "9"
    & skf18("6","7","10","8","8","10","1") = "9"
    & skf18("6","7","10","8","9","1","1") = "9"
    & skf18("6","7","10","8","9","2","1") = "9"
    & skf18("6","7","10","8","9","3","1") = "9"
    & skf18("6","7","10","8","9","4","1") = "9"
    & skf18("6","7","10","8","9","5","1") = "9"
    & skf18("6","7","10","8","9","6","1") = "9"
    & skf18("6","7","10","8","9","7","1") = "9"
    & skf18("6","7","10","8","9","8","1") = "9"
    & skf18("6","7","10","8","9","9","1") = "9"
    & skf18("6","7","10","8","9","10","1") = "9"
    & skf18("6","7","10","8","10","1","1") = "9"
    & skf18("6","7","10","8","10","2","1") = "9"
    & skf18("6","7","10","8","10","3","1") = "9"
    & skf18("6","7","10","8","10","4","1") = "9"
    & skf18("6","7","10","8","10","5","1") = "9"
    & skf18("6","7","10","8","10","6","1") = "9"
    & skf18("6","7","10","8","10","7","1") = "9"
    & skf18("6","7","10","8","10","8","1") = "9"
    & skf18("6","7","10","8","10","9","1") = "9"
    & skf18("6","7","10","8","10","10","1") = "9"
    & skf18("6","7","10","9","1","1","1") = "9"
    & skf18("6","7","10","9","1","2","1") = "9"
    & skf18("6","7","10","9","1","3","1") = "9"
    & skf18("6","7","10","9","1","4","1") = "9"
    & skf18("6","7","10","9","1","5","1") = "9"
    & skf18("6","7","10","9","1","6","1") = "9"
    & skf18("6","7","10","9","1","7","1") = "9"
    & skf18("6","7","10","9","1","8","1") = "9"
    & skf18("6","7","10","9","1","9","1") = "9"
    & skf18("6","7","10","9","1","10","1") = "9"
    & skf18("6","7","10","9","2","1","1") = "9"
    & skf18("6","7","10","9","2","2","1") = "9"
    & skf18("6","7","10","9","2","3","1") = "9"
    & skf18("6","7","10","9","2","4","1") = "9"
    & skf18("6","7","10","9","2","5","1") = "9"
    & skf18("6","7","10","9","2","6","1") = "9"
    & skf18("6","7","10","9","2","7","1") = "9"
    & skf18("6","7","10","9","2","8","1") = "9"
    & skf18("6","7","10","9","2","9","1") = "9"
    & skf18("6","7","10","9","2","10","1") = "9"
    & skf18("6","7","10","9","3","1","1") = "9"
    & skf18("6","7","10","9","3","2","1") = "9"
    & skf18("6","7","10","9","3","3","1") = "9"
    & skf18("6","7","10","9","3","4","1") = "9"
    & skf18("6","7","10","9","3","5","1") = "9"
    & skf18("6","7","10","9","3","6","1") = "9"
    & skf18("6","7","10","9","3","7","1") = "9"
    & skf18("6","7","10","9","3","8","1") = "9"
    & skf18("6","7","10","9","3","9","1") = "9"
    & skf18("6","7","10","9","3","10","1") = "9"
    & skf18("6","7","10","9","4","1","1") = "9"
    & skf18("6","7","10","9","4","2","1") = "9"
    & skf18("6","7","10","9","4","3","1") = "9"
    & skf18("6","7","10","9","4","4","1") = "9"
    & skf18("6","7","10","9","4","5","1") = "9"
    & skf18("6","7","10","9","4","6","1") = "9"
    & skf18("6","7","10","9","4","7","1") = "9"
    & skf18("6","7","10","9","4","8","1") = "9"
    & skf18("6","7","10","9","4","9","1") = "9"
    & skf18("6","7","10","9","4","10","1") = "9"
    & skf18("6","7","10","9","5","1","1") = "9"
    & skf18("6","7","10","9","5","2","1") = "9"
    & skf18("6","7","10","9","5","3","1") = "9"
    & skf18("6","7","10","9","5","4","1") = "9"
    & skf18("6","7","10","9","5","5","1") = "9"
    & skf18("6","7","10","9","5","6","1") = "9"
    & skf18("6","7","10","9","5","7","1") = "9"
    & skf18("6","7","10","9","5","8","1") = "9"
    & skf18("6","7","10","9","5","9","1") = "9"
    & skf18("6","7","10","9","5","10","1") = "9"
    & skf18("6","7","10","9","6","1","1") = "9"
    & skf18("6","7","10","9","6","2","1") = "9"
    & skf18("6","7","10","9","6","3","1") = "9"
    & skf18("6","7","10","9","6","4","1") = "9"
    & skf18("6","7","10","9","6","5","1") = "9"
    & skf18("6","7","10","9","6","6","1") = "9"
    & skf18("6","7","10","9","6","7","1") = "9"
    & skf18("6","7","10","9","6","8","1") = "9"
    & skf18("6","7","10","9","6","9","1") = "9"
    & skf18("6","7","10","9","6","10","1") = "9"
    & skf18("6","7","10","9","7","1","1") = "9"
    & skf18("6","7","10","9","7","2","1") = "9"
    & skf18("6","7","10","9","7","3","1") = "9"
    & skf18("6","7","10","9","7","4","1") = "9"
    & skf18("6","7","10","9","7","5","1") = "9"
    & skf18("6","7","10","9","7","6","1") = "9"
    & skf18("6","7","10","9","7","7","1") = "9"
    & skf18("6","7","10","9","7","8","1") = "9"
    & skf18("6","7","10","9","7","9","1") = "9"
    & skf18("6","7","10","9","7","10","1") = "9"
    & skf18("6","7","10","9","8","1","1") = "9"
    & skf18("6","7","10","9","8","2","1") = "9"
    & skf18("6","7","10","9","8","3","1") = "9"
    & skf18("6","7","10","9","8","4","1") = "9"
    & skf18("6","7","10","9","8","5","1") = "9"
    & skf18("6","7","10","9","8","6","1") = "9"
    & skf18("6","7","10","9","8","7","1") = "9"
    & skf18("6","7","10","9","8","8","1") = "9"
    & skf18("6","7","10","9","8","9","1") = "9"
    & skf18("6","7","10","9","8","10","1") = "9"
    & skf18("6","7","10","9","9","1","1") = "9"
    & skf18("6","7","10","9","9","2","1") = "9"
    & skf18("6","7","10","9","9","3","1") = "9"
    & skf18("6","7","10","9","9","4","1") = "9"
    & skf18("6","7","10","9","9","5","1") = "9"
    & skf18("6","7","10","9","9","6","1") = "9"
    & skf18("6","7","10","9","9","7","1") = "9"
    & skf18("6","7","10","9","9","8","1") = "9"
    & skf18("6","7","10","9","9","9","1") = "9"
    & skf18("6","7","10","9","9","10","1") = "9"
    & skf18("6","7","10","9","10","1","1") = "9"
    & skf18("6","7","10","9","10","2","1") = "9"
    & skf18("6","7","10","9","10","3","1") = "9"
    & skf18("6","7","10","9","10","4","1") = "9"
    & skf18("6","7","10","9","10","5","1") = "9"
    & skf18("6","7","10","9","10","6","1") = "9"
    & skf18("6","7","10","9","10","7","1") = "9"
    & skf18("6","7","10","9","10","8","1") = "9"
    & skf18("6","7","10","9","10","9","1") = "9"
    & skf18("6","7","10","9","10","10","1") = "9"
    & skf18("6","7","10","10","1","1","1") = "9"
    & skf18("6","7","10","10","1","2","1") = "9"
    & skf18("6","7","10","10","1","3","1") = "9"
    & skf18("6","7","10","10","1","4","1") = "9"
    & skf18("6","7","10","10","1","5","1") = "9"
    & skf18("6","7","10","10","1","6","1") = "9"
    & skf18("6","7","10","10","1","7","1") = "9"
    & skf18("6","7","10","10","1","8","1") = "9"
    & skf18("6","7","10","10","1","9","1") = "9"
    & skf18("6","7","10","10","1","10","1") = "9"
    & skf18("6","7","10","10","2","1","1") = "9"
    & skf18("6","7","10","10","2","2","1") = "9"
    & skf18("6","7","10","10","2","3","1") = "9"
    & skf18("6","7","10","10","2","4","1") = "9"
    & skf18("6","7","10","10","2","5","1") = "9"
    & skf18("6","7","10","10","2","6","1") = "9"
    & skf18("6","7","10","10","2","7","1") = "9"
    & skf18("6","7","10","10","2","8","1") = "9"
    & skf18("6","7","10","10","2","9","1") = "9"
    & skf18("6","7","10","10","2","10","1") = "9"
    & skf18("6","7","10","10","3","1","1") = "9"
    & skf18("6","7","10","10","3","2","1") = "9"
    & skf18("6","7","10","10","3","3","1") = "9"
    & skf18("6","7","10","10","3","4","1") = "9"
    & skf18("6","7","10","10","3","5","1") = "9"
    & skf18("6","7","10","10","3","6","1") = "9"
    & skf18("6","7","10","10","3","7","1") = "9"
    & skf18("6","7","10","10","3","8","1") = "9"
    & skf18("6","7","10","10","3","9","1") = "9"
    & skf18("6","7","10","10","3","10","1") = "9"
    & skf18("6","7","10","10","4","1","1") = "9"
    & skf18("6","7","10","10","4","2","1") = "9"
    & skf18("6","7","10","10","4","3","1") = "9"
    & skf18("6","7","10","10","4","4","1") = "9"
    & skf18("6","7","10","10","4","5","1") = "9"
    & skf18("6","7","10","10","4","6","1") = "9"
    & skf18("6","7","10","10","4","7","1") = "9"
    & skf18("6","7","10","10","4","8","1") = "9"
    & skf18("6","7","10","10","4","9","1") = "9"
    & skf18("6","7","10","10","4","10","1") = "9"
    & skf18("6","7","10","10","5","1","1") = "9"
    & skf18("6","7","10","10","5","2","1") = "9"
    & skf18("6","7","10","10","5","3","1") = "9"
    & skf18("6","7","10","10","5","4","1") = "9"
    & skf18("6","7","10","10","5","5","1") = "9"
    & skf18("6","7","10","10","5","6","1") = "9"
    & skf18("6","7","10","10","5","7","1") = "9"
    & skf18("6","7","10","10","5","8","1") = "9"
    & skf18("6","7","10","10","5","9","1") = "9"
    & skf18("6","7","10","10","5","10","1") = "9"
    & skf18("6","7","10","10","6","1","1") = "9"
    & skf18("6","7","10","10","6","2","1") = "9"
    & skf18("6","7","10","10","6","3","1") = "9"
    & skf18("6","7","10","10","6","4","1") = "9"
    & skf18("6","7","10","10","6","5","1") = "9"
    & skf18("6","7","10","10","6","6","1") = "9"
    & skf18("6","7","10","10","6","7","1") = "9"
    & skf18("6","7","10","10","6","8","1") = "9"
    & skf18("6","7","10","10","6","9","1") = "9"
    & skf18("6","7","10","10","6","10","1") = "9"
    & skf18("6","7","10","10","7","1","1") = "9"
    & skf18("6","7","10","10","7","2","1") = "9"
    & skf18("6","7","10","10","7","3","1") = "9"
    & skf18("6","7","10","10","7","4","1") = "9"
    & skf18("6","7","10","10","7","5","1") = "9"
    & skf18("6","7","10","10","7","6","1") = "9"
    & skf18("6","7","10","10","7","7","1") = "9"
    & skf18("6","7","10","10","7","8","1") = "9"
    & skf18("6","7","10","10","7","9","1") = "9"
    & skf18("6","7","10","10","7","10","1") = "9"
    & skf18("6","7","10","10","8","1","1") = "9"
    & skf18("6","7","10","10","8","2","1") = "9"
    & skf18("6","7","10","10","8","3","1") = "9"
    & skf18("6","7","10","10","8","4","1") = "9"
    & skf18("6","7","10","10","8","5","1") = "9"
    & skf18("6","7","10","10","8","6","1") = "9"
    & skf18("6","7","10","10","8","7","1") = "9"
    & skf18("6","7","10","10","8","8","1") = "9"
    & skf18("6","7","10","10","8","9","1") = "9"
    & skf18("6","7","10","10","8","10","1") = "9"
    & skf18("6","7","10","10","9","1","1") = "9"
    & skf18("6","7","10","10","9","2","1") = "9"
    & skf18("6","7","10","10","9","3","1") = "9"
    & skf18("6","7","10","10","9","4","1") = "9"
    & skf18("6","7","10","10","9","5","1") = "9"
    & skf18("6","7","10","10","9","6","1") = "9"
    & skf18("6","7","10","10","9","7","1") = "9"
    & skf18("6","7","10","10","9","8","1") = "9"
    & skf18("6","7","10","10","9","9","1") = "9"
    & skf18("6","7","10","10","9","10","1") = "9"
    & skf18("6","7","10","10","10","1","1") = "9"
    & skf18("6","7","10","10","10","2","1") = "9"
    & skf18("6","7","10","10","10","3","1") = "9"
    & skf18("6","7","10","10","10","4","1") = "9"
    & skf18("6","7","10","10","10","5","1") = "9"
    & skf18("6","7","10","10","10","6","1") = "9"
    & skf18("6","7","10","10","10","7","1") = "9"
    & skf18("6","7","10","10","10","8","1") = "9"
    & skf18("6","7","10","10","10","9","1") = "9"
    & skf18("6","7","10","10","10","10","1") = "9"
    & skf18("6","8","1","1","1","1","1") = "7"
    & skf18("6","8","1","1","1","2","1") = "7"
    & skf18("6","8","1","1","1","3","1") = "7"
    & skf18("6","8","1","1","1","4","1") = "7"
    & skf18("6","8","1","1","1","5","1") = "7"
    & skf18("6","8","1","1","1","6","1") = "7"
    & skf18("6","8","1","1","1","7","1") = "7"
    & skf18("6","8","1","1","1","8","1") = "7"
    & skf18("6","8","1","1","1","9","1") = "8"
    & skf18("6","8","1","1","1","10","1") = "9"
    & skf18("6","8","1","1","2","1","1") = "7"
    & skf18("6","8","1","1","2","2","1") = "7"
    & skf18("6","8","1","1","2","3","1") = "7"
    & skf18("6","8","1","1","2","4","1") = "7"
    & skf18("6","8","1","1","2","5","1") = "7"
    & skf18("6","8","1","1","2","6","1") = "7"
    & skf18("6","8","1","1","2","7","1") = "7"
    & skf18("6","8","1","1","2","8","1") = "7"
    & skf18("6","8","1","1","2","9","1") = "8"
    & skf18("6","8","1","1","2","10","1") = "9"
    & skf18("6","8","1","1","3","1","1") = "7"
    & skf18("6","8","1","1","3","2","1") = "7"
    & skf18("6","8","1","1","3","3","1") = "7"
    & skf18("6","8","1","1","3","4","1") = "7"
    & skf18("6","8","1","1","3","5","1") = "7"
    & skf18("6","8","1","1","3","6","1") = "7"
    & skf18("6","8","1","1","3","7","1") = "7"
    & skf18("6","8","1","1","3","8","1") = "7"
    & skf18("6","8","1","1","3","9","1") = "8"
    & skf18("6","8","1","1","3","10","1") = "9"
    & skf18("6","8","1","1","4","1","1") = "7"
    & skf18("6","8","1","1","4","2","1") = "7"
    & skf18("6","8","1","1","4","3","1") = "7"
    & skf18("6","8","1","1","4","4","1") = "7"
    & skf18("6","8","1","1","4","5","1") = "7"
    & skf18("6","8","1","1","4","6","1") = "7"
    & skf18("6","8","1","1","4","7","1") = "7"
    & skf18("6","8","1","1","4","8","1") = "7"
    & skf18("6","8","1","1","4","9","1") = "8"
    & skf18("6","8","1","1","4","10","1") = "9"
    & skf18("6","8","1","1","5","1","1") = "7"
    & skf18("6","8","1","1","5","2","1") = "7"
    & skf18("6","8","1","1","5","3","1") = "7"
    & skf18("6","8","1","1","5","4","1") = "7"
    & skf18("6","8","1","1","5","5","1") = "7"
    & skf18("6","8","1","1","5","6","1") = "7"
    & skf18("6","8","1","1","5","7","1") = "7"
    & skf18("6","8","1","1","5","8","1") = "7"
    & skf18("6","8","1","1","5","9","1") = "8"
    & skf18("6","8","1","1","5","10","1") = "9"
    & skf18("6","8","1","1","6","1","1") = "7"
    & skf18("6","8","1","1","6","2","1") = "7"
    & skf18("6","8","1","1","6","3","1") = "7"
    & skf18("6","8","1","1","6","4","1") = "7"
    & skf18("6","8","1","1","6","5","1") = "7"
    & skf18("6","8","1","1","6","6","1") = "7"
    & skf18("6","8","1","1","6","7","1") = "7"
    & skf18("6","8","1","1","6","8","1") = "7"
    & skf18("6","8","1","1","6","9","1") = "8"
    & skf18("6","8","1","1","6","10","1") = "9"
    & skf18("6","8","1","1","7","1","1") = "7"
    & skf18("6","8","1","1","7","2","1") = "7"
    & skf18("6","8","1","1","7","3","1") = "7"
    & skf18("6","8","1","1","7","4","1") = "7"
    & skf18("6","8","1","1","7","5","1") = "7"
    & skf18("6","8","1","1","7","6","1") = "7"
    & skf18("6","8","1","1","7","7","1") = "7"
    & skf18("6","8","1","1","7","8","1") = "7"
    & skf18("6","8","1","1","7","9","1") = "8"
    & skf18("6","8","1","1","7","10","1") = "9"
    & skf18("6","8","1","1","8","1","1") = "7"
    & skf18("6","8","1","1","8","2","1") = "7"
    & skf18("6","8","1","1","8","3","1") = "7"
    & skf18("6","8","1","1","8","4","1") = "7"
    & skf18("6","8","1","1","8","5","1") = "7"
    & skf18("6","8","1","1","8","6","1") = "7"
    & skf18("6","8","1","1","8","7","1") = "7"
    & skf18("6","8","1","1","8","8","1") = "7"
    & skf18("6","8","1","1","8","9","1") = "8"
    & skf18("6","8","1","1","8","10","1") = "9"
    & skf18("6","8","1","1","9","1","1") = "8"
    & skf18("6","8","1","1","9","2","1") = "8"
    & skf18("6","8","1","1","9","3","1") = "8"
    & skf18("6","8","1","1","9","4","1") = "8"
    & skf18("6","8","1","1","9","5","1") = "8"
    & skf18("6","8","1","1","9","6","1") = "8"
    & skf18("6","8","1","1","9","7","1") = "8"
    & skf18("6","8","1","1","9","8","1") = "8"
    & skf18("6","8","1","1","9","9","1") = "8"
    & skf18("6","8","1","1","9","10","1") = "9"
    & skf18("6","8","1","1","10","1","1") = "9"
    & skf18("6","8","1","1","10","2","1") = "9"
    & skf18("6","8","1","1","10","3","1") = "9"
    & skf18("6","8","1","1","10","4","1") = "9"
    & skf18("6","8","1","1","10","5","1") = "9"
    & skf18("6","8","1","1","10","6","1") = "9"
    & skf18("6","8","1","1","10","7","1") = "9"
    & skf18("6","8","1","1","10","8","1") = "9"
    & skf18("6","8","1","1","10","9","1") = "9"
    & skf18("6","8","1","1","10","10","1") = "9"
    & skf18("6","8","1","2","1","1","1") = "7"
    & skf18("6","8","1","2","1","2","1") = "7"
    & skf18("6","8","1","2","1","3","1") = "7"
    & skf18("6","8","1","2","1","4","1") = "7"
    & skf18("6","8","1","2","1","5","1") = "7"
    & skf18("6","8","1","2","1","6","1") = "7"
    & skf18("6","8","1","2","1","7","1") = "7"
    & skf18("6","8","1","2","1","8","1") = "7"
    & skf18("6","8","1","2","1","9","1") = "8"
    & skf18("6","8","1","2","1","10","1") = "9"
    & skf18("6","8","1","2","2","1","1") = "7"
    & skf18("6","8","1","2","2","2","1") = "7"
    & skf18("6","8","1","2","2","3","1") = "7"
    & skf18("6","8","1","2","2","4","1") = "7"
    & skf18("6","8","1","2","2","5","1") = "7"
    & skf18("6","8","1","2","2","6","1") = "7"
    & skf18("6","8","1","2","2","7","1") = "7"
    & skf18("6","8","1","2","2","8","1") = "7"
    & skf18("6","8","1","2","2","9","1") = "8"
    & skf18("6","8","1","2","2","10","1") = "9"
    & skf18("6","8","1","2","3","1","1") = "7"
    & skf18("6","8","1","2","3","2","1") = "7"
    & skf18("6","8","1","2","3","3","1") = "7"
    & skf18("6","8","1","2","3","4","1") = "7"
    & skf18("6","8","1","2","3","5","1") = "7"
    & skf18("6","8","1","2","3","6","1") = "7"
    & skf18("6","8","1","2","3","7","1") = "7"
    & skf18("6","8","1","2","3","8","1") = "7"
    & skf18("6","8","1","2","3","9","1") = "8"
    & skf18("6","8","1","2","3","10","1") = "9"
    & skf18("6","8","1","2","4","1","1") = "7"
    & skf18("6","8","1","2","4","2","1") = "7"
    & skf18("6","8","1","2","4","3","1") = "7"
    & skf18("6","8","1","2","4","4","1") = "7"
    & skf18("6","8","1","2","4","5","1") = "7"
    & skf18("6","8","1","2","4","6","1") = "7"
    & skf18("6","8","1","2","4","7","1") = "7"
    & skf18("6","8","1","2","4","8","1") = "7"
    & skf18("6","8","1","2","4","9","1") = "8"
    & skf18("6","8","1","2","4","10","1") = "9"
    & skf18("6","8","1","2","5","1","1") = "7"
    & skf18("6","8","1","2","5","2","1") = "7"
    & skf18("6","8","1","2","5","3","1") = "7"
    & skf18("6","8","1","2","5","4","1") = "7"
    & skf18("6","8","1","2","5","5","1") = "7"
    & skf18("6","8","1","2","5","6","1") = "7"
    & skf18("6","8","1","2","5","7","1") = "7"
    & skf18("6","8","1","2","5","8","1") = "7"
    & skf18("6","8","1","2","5","9","1") = "8"
    & skf18("6","8","1","2","5","10","1") = "9"
    & skf18("6","8","1","2","6","1","1") = "7"
    & skf18("6","8","1","2","6","2","1") = "7"
    & skf18("6","8","1","2","6","3","1") = "7"
    & skf18("6","8","1","2","6","4","1") = "7"
    & skf18("6","8","1","2","6","5","1") = "7"
    & skf18("6","8","1","2","6","6","1") = "7"
    & skf18("6","8","1","2","6","7","1") = "7"
    & skf18("6","8","1","2","6","8","1") = "7"
    & skf18("6","8","1","2","6","9","1") = "8"
    & skf18("6","8","1","2","6","10","1") = "9"
    & skf18("6","8","1","2","7","1","1") = "7"
    & skf18("6","8","1","2","7","2","1") = "7"
    & skf18("6","8","1","2","7","3","1") = "7"
    & skf18("6","8","1","2","7","4","1") = "7"
    & skf18("6","8","1","2","7","5","1") = "7"
    & skf18("6","8","1","2","7","6","1") = "7"
    & skf18("6","8","1","2","7","7","1") = "7"
    & skf18("6","8","1","2","7","8","1") = "7"
    & skf18("6","8","1","2","7","9","1") = "8"
    & skf18("6","8","1","2","7","10","1") = "9"
    & skf18("6","8","1","2","8","1","1") = "7"
    & skf18("6","8","1","2","8","2","1") = "7"
    & skf18("6","8","1","2","8","3","1") = "7"
    & skf18("6","8","1","2","8","4","1") = "7"
    & skf18("6","8","1","2","8","5","1") = "7"
    & skf18("6","8","1","2","8","6","1") = "7"
    & skf18("6","8","1","2","8","7","1") = "7"
    & skf18("6","8","1","2","8","8","1") = "7"
    & skf18("6","8","1","2","8","9","1") = "8"
    & skf18("6","8","1","2","8","10","1") = "9"
    & skf18("6","8","1","2","9","1","1") = "8"
    & skf18("6","8","1","2","9","2","1") = "8"
    & skf18("6","8","1","2","9","3","1") = "8"
    & skf18("6","8","1","2","9","4","1") = "8"
    & skf18("6","8","1","2","9","5","1") = "8"
    & skf18("6","8","1","2","9","6","1") = "8"
    & skf18("6","8","1","2","9","7","1") = "8"
    & skf18("6","8","1","2","9","8","1") = "8"
    & skf18("6","8","1","2","9","9","1") = "8"
    & skf18("6","8","1","2","9","10","1") = "9"
    & skf18("6","8","1","2","10","1","1") = "9"
    & skf18("6","8","1","2","10","2","1") = "9"
    & skf18("6","8","1","2","10","3","1") = "9"
    & skf18("6","8","1","2","10","4","1") = "9"
    & skf18("6","8","1","2","10","5","1") = "9"
    & skf18("6","8","1","2","10","6","1") = "9"
    & skf18("6","8","1","2","10","7","1") = "9"
    & skf18("6","8","1","2","10","8","1") = "9"
    & skf18("6","8","1","2","10","9","1") = "9"
    & skf18("6","8","1","2","10","10","1") = "9"
    & skf18("6","8","1","3","1","1","1") = "7"
    & skf18("6","8","1","3","1","2","1") = "7"
    & skf18("6","8","1","3","1","3","1") = "7"
    & skf18("6","8","1","3","1","4","1") = "7"
    & skf18("6","8","1","3","1","5","1") = "7"
    & skf18("6","8","1","3","1","6","1") = "7"
    & skf18("6","8","1","3","1","7","1") = "7"
    & skf18("6","8","1","3","1","8","1") = "7"
    & skf18("6","8","1","3","1","9","1") = "8"
    & skf18("6","8","1","3","1","10","1") = "9"
    & skf18("6","8","1","3","2","1","1") = "7"
    & skf18("6","8","1","3","2","2","1") = "7"
    & skf18("6","8","1","3","2","3","1") = "7"
    & skf18("6","8","1","3","2","4","1") = "7"
    & skf18("6","8","1","3","2","5","1") = "7"
    & skf18("6","8","1","3","2","6","1") = "7"
    & skf18("6","8","1","3","2","7","1") = "7"
    & skf18("6","8","1","3","2","8","1") = "7"
    & skf18("6","8","1","3","2","9","1") = "8"
    & skf18("6","8","1","3","2","10","1") = "9"
    & skf18("6","8","1","3","3","1","1") = "7"
    & skf18("6","8","1","3","3","2","1") = "7"
    & skf18("6","8","1","3","3","3","1") = "7"
    & skf18("6","8","1","3","3","4","1") = "7"
    & skf18("6","8","1","3","3","5","1") = "7"
    & skf18("6","8","1","3","3","6","1") = "7"
    & skf18("6","8","1","3","3","7","1") = "7"
    & skf18("6","8","1","3","3","8","1") = "7"
    & skf18("6","8","1","3","3","9","1") = "8"
    & skf18("6","8","1","3","3","10","1") = "9"
    & skf18("6","8","1","3","4","1","1") = "7"
    & skf18("6","8","1","3","4","2","1") = "7"
    & skf18("6","8","1","3","4","3","1") = "7"
    & skf18("6","8","1","3","4","4","1") = "7"
    & skf18("6","8","1","3","4","5","1") = "7"
    & skf18("6","8","1","3","4","6","1") = "7"
    & skf18("6","8","1","3","4","7","1") = "7"
    & skf18("6","8","1","3","4","8","1") = "7"
    & skf18("6","8","1","3","4","9","1") = "8"
    & skf18("6","8","1","3","4","10","1") = "9"
    & skf18("6","8","1","3","5","1","1") = "7"
    & skf18("6","8","1","3","5","2","1") = "7"
    & skf18("6","8","1","3","5","3","1") = "7"
    & skf18("6","8","1","3","5","4","1") = "7"
    & skf18("6","8","1","3","5","5","1") = "7"
    & skf18("6","8","1","3","5","6","1") = "7"
    & skf18("6","8","1","3","5","7","1") = "7"
    & skf18("6","8","1","3","5","8","1") = "7"
    & skf18("6","8","1","3","5","9","1") = "8"
    & skf18("6","8","1","3","5","10","1") = "9"
    & skf18("6","8","1","3","6","1","1") = "7"
    & skf18("6","8","1","3","6","2","1") = "7"
    & skf18("6","8","1","3","6","3","1") = "7"
    & skf18("6","8","1","3","6","4","1") = "7"
    & skf18("6","8","1","3","6","5","1") = "7"
    & skf18("6","8","1","3","6","6","1") = "7"
    & skf18("6","8","1","3","6","7","1") = "7"
    & skf18("6","8","1","3","6","8","1") = "7"
    & skf18("6","8","1","3","6","9","1") = "8"
    & skf18("6","8","1","3","6","10","1") = "9"
    & skf18("6","8","1","3","7","1","1") = "7"
    & skf18("6","8","1","3","7","2","1") = "7"
    & skf18("6","8","1","3","7","3","1") = "7"
    & skf18("6","8","1","3","7","4","1") = "7"
    & skf18("6","8","1","3","7","5","1") = "7"
    & skf18("6","8","1","3","7","6","1") = "7"
    & skf18("6","8","1","3","7","7","1") = "7"
    & skf18("6","8","1","3","7","8","1") = "7"
    & skf18("6","8","1","3","7","9","1") = "8"
    & skf18("6","8","1","3","7","10","1") = "9"
    & skf18("6","8","1","3","8","1","1") = "7"
    & skf18("6","8","1","3","8","2","1") = "7"
    & skf18("6","8","1","3","8","3","1") = "7"
    & skf18("6","8","1","3","8","4","1") = "7"
    & skf18("6","8","1","3","8","5","1") = "7"
    & skf18("6","8","1","3","8","6","1") = "7"
    & skf18("6","8","1","3","8","7","1") = "7"
    & skf18("6","8","1","3","8","8","1") = "7"
    & skf18("6","8","1","3","8","9","1") = "8"
    & skf18("6","8","1","3","8","10","1") = "9"
    & skf18("6","8","1","3","9","1","1") = "8"
    & skf18("6","8","1","3","9","2","1") = "8"
    & skf18("6","8","1","3","9","3","1") = "8"
    & skf18("6","8","1","3","9","4","1") = "8"
    & skf18("6","8","1","3","9","5","1") = "8"
    & skf18("6","8","1","3","9","6","1") = "8"
    & skf18("6","8","1","3","9","7","1") = "8"
    & skf18("6","8","1","3","9","8","1") = "8"
    & skf18("6","8","1","3","9","9","1") = "8"
    & skf18("6","8","1","3","9","10","1") = "9"
    & skf18("6","8","1","3","10","1","1") = "9"
    & skf18("6","8","1","3","10","2","1") = "9"
    & skf18("6","8","1","3","10","3","1") = "9"
    & skf18("6","8","1","3","10","4","1") = "9"
    & skf18("6","8","1","3","10","5","1") = "9"
    & skf18("6","8","1","3","10","6","1") = "9"
    & skf18("6","8","1","3","10","7","1") = "9"
    & skf18("6","8","1","3","10","8","1") = "9"
    & skf18("6","8","1","3","10","9","1") = "9"
    & skf18("6","8","1","3","10","10","1") = "9"
    & skf18("6","8","1","4","1","1","1") = "7"
    & skf18("6","8","1","4","1","2","1") = "7"
    & skf18("6","8","1","4","1","3","1") = "7"
    & skf18("6","8","1","4","1","4","1") = "7"
    & skf18("6","8","1","4","1","5","1") = "7"
    & skf18("6","8","1","4","1","6","1") = "7"
    & skf18("6","8","1","4","1","7","1") = "7"
    & skf18("6","8","1","4","1","8","1") = "7"
    & skf18("6","8","1","4","1","9","1") = "8"
    & skf18("6","8","1","4","1","10","1") = "9"
    & skf18("6","8","1","4","2","1","1") = "7"
    & skf18("6","8","1","4","2","2","1") = "7"
    & skf18("6","8","1","4","2","3","1") = "7"
    & skf18("6","8","1","4","2","4","1") = "7"
    & skf18("6","8","1","4","2","5","1") = "7"
    & skf18("6","8","1","4","2","6","1") = "7"
    & skf18("6","8","1","4","2","7","1") = "7"
    & skf18("6","8","1","4","2","8","1") = "7"
    & skf18("6","8","1","4","2","9","1") = "8"
    & skf18("6","8","1","4","2","10","1") = "9"
    & skf18("6","8","1","4","3","1","1") = "7"
    & skf18("6","8","1","4","3","2","1") = "7"
    & skf18("6","8","1","4","3","3","1") = "7"
    & skf18("6","8","1","4","3","4","1") = "7"
    & skf18("6","8","1","4","3","5","1") = "7"
    & skf18("6","8","1","4","3","6","1") = "7"
    & skf18("6","8","1","4","3","7","1") = "7"
    & skf18("6","8","1","4","3","8","1") = "7"
    & skf18("6","8","1","4","3","9","1") = "8"
    & skf18("6","8","1","4","3","10","1") = "9"
    & skf18("6","8","1","4","4","1","1") = "7"
    & skf18("6","8","1","4","4","2","1") = "7"
    & skf18("6","8","1","4","4","3","1") = "7"
    & skf18("6","8","1","4","4","4","1") = "7"
    & skf18("6","8","1","4","4","5","1") = "7"
    & skf18("6","8","1","4","4","6","1") = "7"
    & skf18("6","8","1","4","4","7","1") = "7"
    & skf18("6","8","1","4","4","8","1") = "7"
    & skf18("6","8","1","4","4","9","1") = "8"
    & skf18("6","8","1","4","4","10","1") = "9"
    & skf18("6","8","1","4","5","1","1") = "7"
    & skf18("6","8","1","4","5","2","1") = "7"
    & skf18("6","8","1","4","5","3","1") = "7"
    & skf18("6","8","1","4","5","4","1") = "7"
    & skf18("6","8","1","4","5","5","1") = "7"
    & skf18("6","8","1","4","5","6","1") = "7"
    & skf18("6","8","1","4","5","7","1") = "7"
    & skf18("6","8","1","4","5","8","1") = "7"
    & skf18("6","8","1","4","5","9","1") = "8"
    & skf18("6","8","1","4","5","10","1") = "9"
    & skf18("6","8","1","4","6","1","1") = "7"
    & skf18("6","8","1","4","6","2","1") = "7"
    & skf18("6","8","1","4","6","3","1") = "7"
    & skf18("6","8","1","4","6","4","1") = "7"
    & skf18("6","8","1","4","6","5","1") = "7"
    & skf18("6","8","1","4","6","6","1") = "7"
    & skf18("6","8","1","4","6","7","1") = "7"
    & skf18("6","8","1","4","6","8","1") = "7"
    & skf18("6","8","1","4","6","9","1") = "8"
    & skf18("6","8","1","4","6","10","1") = "9"
    & skf18("6","8","1","4","7","1","1") = "7"
    & skf18("6","8","1","4","7","2","1") = "7"
    & skf18("6","8","1","4","7","3","1") = "7"
    & skf18("6","8","1","4","7","4","1") = "7"
    & skf18("6","8","1","4","7","5","1") = "7"
    & skf18("6","8","1","4","7","6","1") = "7"
    & skf18("6","8","1","4","7","7","1") = "7"
    & skf18("6","8","1","4","7","8","1") = "7"
    & skf18("6","8","1","4","7","9","1") = "8"
    & skf18("6","8","1","4","7","10","1") = "9"
    & skf18("6","8","1","4","8","1","1") = "7"
    & skf18("6","8","1","4","8","2","1") = "7"
    & skf18("6","8","1","4","8","3","1") = "7"
    & skf18("6","8","1","4","8","4","1") = "7"
    & skf18("6","8","1","4","8","5","1") = "7"
    & skf18("6","8","1","4","8","6","1") = "7"
    & skf18("6","8","1","4","8","7","1") = "7"
    & skf18("6","8","1","4","8","8","1") = "7"
    & skf18("6","8","1","4","8","9","1") = "8"
    & skf18("6","8","1","4","8","10","1") = "9"
    & skf18("6","8","1","4","9","1","1") = "8"
    & skf18("6","8","1","4","9","2","1") = "8"
    & skf18("6","8","1","4","9","3","1") = "8"
    & skf18("6","8","1","4","9","4","1") = "8"
    & skf18("6","8","1","4","9","5","1") = "8"
    & skf18("6","8","1","4","9","6","1") = "8"
    & skf18("6","8","1","4","9","7","1") = "8"
    & skf18("6","8","1","4","9","8","1") = "8"
    & skf18("6","8","1","4","9","9","1") = "8"
    & skf18("6","8","1","4","9","10","1") = "9"
    & skf18("6","8","1","4","10","1","1") = "9"
    & skf18("6","8","1","4","10","2","1") = "9"
    & skf18("6","8","1","4","10","3","1") = "9"
    & skf18("6","8","1","4","10","4","1") = "9"
    & skf18("6","8","1","4","10","5","1") = "9"
    & skf18("6","8","1","4","10","6","1") = "9"
    & skf18("6","8","1","4","10","7","1") = "9"
    & skf18("6","8","1","4","10","8","1") = "9"
    & skf18("6","8","1","4","10","9","1") = "9"
    & skf18("6","8","1","4","10","10","1") = "9"
    & skf18("6","8","1","5","1","1","1") = "7"
    & skf18("6","8","1","5","1","2","1") = "7"
    & skf18("6","8","1","5","1","3","1") = "7"
    & skf18("6","8","1","5","1","4","1") = "7"
    & skf18("6","8","1","5","1","5","1") = "7"
    & skf18("6","8","1","5","1","6","1") = "7"
    & skf18("6","8","1","5","1","7","1") = "7"
    & skf18("6","8","1","5","1","8","1") = "7"
    & skf18("6","8","1","5","1","9","1") = "8"
    & skf18("6","8","1","5","1","10","1") = "9"
    & skf18("6","8","1","5","2","1","1") = "7"
    & skf18("6","8","1","5","2","2","1") = "7"
    & skf18("6","8","1","5","2","3","1") = "7"
    & skf18("6","8","1","5","2","4","1") = "7"
    & skf18("6","8","1","5","2","5","1") = "7"
    & skf18("6","8","1","5","2","6","1") = "7"
    & skf18("6","8","1","5","2","7","1") = "7"
    & skf18("6","8","1","5","2","8","1") = "7"
    & skf18("6","8","1","5","2","9","1") = "8"
    & skf18("6","8","1","5","2","10","1") = "9"
    & skf18("6","8","1","5","3","1","1") = "7"
    & skf18("6","8","1","5","3","2","1") = "7"
    & skf18("6","8","1","5","3","3","1") = "7"
    & skf18("6","8","1","5","3","4","1") = "7"
    & skf18("6","8","1","5","3","5","1") = "7"
    & skf18("6","8","1","5","3","6","1") = "7"
    & skf18("6","8","1","5","3","7","1") = "7"
    & skf18("6","8","1","5","3","8","1") = "7"
    & skf18("6","8","1","5","3","9","1") = "8"
    & skf18("6","8","1","5","3","10","1") = "9"
    & skf18("6","8","1","5","4","1","1") = "7"
    & skf18("6","8","1","5","4","2","1") = "7"
    & skf18("6","8","1","5","4","3","1") = "7"
    & skf18("6","8","1","5","4","4","1") = "7"
    & skf18("6","8","1","5","4","5","1") = "7"
    & skf18("6","8","1","5","4","6","1") = "7"
    & skf18("6","8","1","5","4","7","1") = "7"
    & skf18("6","8","1","5","4","8","1") = "7"
    & skf18("6","8","1","5","4","9","1") = "8"
    & skf18("6","8","1","5","4","10","1") = "9"
    & skf18("6","8","1","5","5","1","1") = "7"
    & skf18("6","8","1","5","5","2","1") = "7"
    & skf18("6","8","1","5","5","3","1") = "7"
    & skf18("6","8","1","5","5","4","1") = "7"
    & skf18("6","8","1","5","5","5","1") = "7"
    & skf18("6","8","1","5","5","6","1") = "7"
    & skf18("6","8","1","5","5","7","1") = "7"
    & skf18("6","8","1","5","5","8","1") = "7"
    & skf18("6","8","1","5","5","9","1") = "8"
    & skf18("6","8","1","5","5","10","1") = "9"
    & skf18("6","8","1","5","6","1","1") = "7"
    & skf18("6","8","1","5","6","2","1") = "7"
    & skf18("6","8","1","5","6","3","1") = "7"
    & skf18("6","8","1","5","6","4","1") = "7"
    & skf18("6","8","1","5","6","5","1") = "7"
    & skf18("6","8","1","5","6","6","1") = "7"
    & skf18("6","8","1","5","6","7","1") = "7"
    & skf18("6","8","1","5","6","8","1") = "7"
    & skf18("6","8","1","5","6","9","1") = "8"
    & skf18("6","8","1","5","6","10","1") = "9"
    & skf18("6","8","1","5","7","1","1") = "7"
    & skf18("6","8","1","5","7","2","1") = "7"
    & skf18("6","8","1","5","7","3","1") = "7"
    & skf18("6","8","1","5","7","4","1") = "7"
    & skf18("6","8","1","5","7","5","1") = "7"
    & skf18("6","8","1","5","7","6","1") = "7"
    & skf18("6","8","1","5","7","7","1") = "7"
    & skf18("6","8","1","5","7","8","1") = "7"
    & skf18("6","8","1","5","7","9","1") = "8"
    & skf18("6","8","1","5","7","10","1") = "9"
    & skf18("6","8","1","5","8","1","1") = "7"
    & skf18("6","8","1","5","8","2","1") = "7"
    & skf18("6","8","1","5","8","3","1") = "7"
    & skf18("6","8","1","5","8","4","1") = "7"
    & skf18("6","8","1","5","8","5","1") = "7"
    & skf18("6","8","1","5","8","6","1") = "7"
    & skf18("6","8","1","5","8","7","1") = "7"
    & skf18("6","8","1","5","8","8","1") = "7"
    & skf18("6","8","1","5","8","9","1") = "8"
    & skf18("6","8","1","5","8","10","1") = "9"
    & skf18("6","8","1","5","9","1","1") = "8"
    & skf18("6","8","1","5","9","2","1") = "8"
    & skf18("6","8","1","5","9","3","1") = "8"
    & skf18("6","8","1","5","9","4","1") = "8"
    & skf18("6","8","1","5","9","5","1") = "8"
    & skf18("6","8","1","5","9","6","1") = "8"
    & skf18("6","8","1","5","9","7","1") = "8"
    & skf18("6","8","1","5","9","8","1") = "8"
    & skf18("6","8","1","5","9","9","1") = "8"
    & skf18("6","8","1","5","9","10","1") = "9"
    & skf18("6","8","1","5","10","1","1") = "9"
    & skf18("6","8","1","5","10","2","1") = "9"
    & skf18("6","8","1","5","10","3","1") = "9"
    & skf18("6","8","1","5","10","4","1") = "9"
    & skf18("6","8","1","5","10","5","1") = "9"
    & skf18("6","8","1","5","10","6","1") = "9"
    & skf18("6","8","1","5","10","7","1") = "9"
    & skf18("6","8","1","5","10","8","1") = "9"
    & skf18("6","8","1","5","10","9","1") = "9"
    & skf18("6","8","1","5","10","10","1") = "9"
    & skf18("6","8","1","6","1","1","1") = "7"
    & skf18("6","8","1","6","1","2","1") = "7"
    & skf18("6","8","1","6","1","3","1") = "7"
    & skf18("6","8","1","6","1","4","1") = "7"
    & skf18("6","8","1","6","1","5","1") = "7"
    & skf18("6","8","1","6","1","6","1") = "7"
    & skf18("6","8","1","6","1","7","1") = "7"
    & skf18("6","8","1","6","1","8","1") = "7"
    & skf18("6","8","1","6","1","9","1") = "8"
    & skf18("6","8","1","6","1","10","1") = "9"
    & skf18("6","8","1","6","2","1","1") = "7"
    & skf18("6","8","1","6","2","2","1") = "7"
    & skf18("6","8","1","6","2","3","1") = "7"
    & skf18("6","8","1","6","2","4","1") = "7"
    & skf18("6","8","1","6","2","5","1") = "7"
    & skf18("6","8","1","6","2","6","1") = "7"
    & skf18("6","8","1","6","2","7","1") = "7"
    & skf18("6","8","1","6","2","8","1") = "7"
    & skf18("6","8","1","6","2","9","1") = "8"
    & skf18("6","8","1","6","2","10","1") = "9"
    & skf18("6","8","1","6","3","1","1") = "7"
    & skf18("6","8","1","6","3","2","1") = "7"
    & skf18("6","8","1","6","3","3","1") = "7"
    & skf18("6","8","1","6","3","4","1") = "7"
    & skf18("6","8","1","6","3","5","1") = "7"
    & skf18("6","8","1","6","3","6","1") = "7"
    & skf18("6","8","1","6","3","7","1") = "7"
    & skf18("6","8","1","6","3","8","1") = "7"
    & skf18("6","8","1","6","3","9","1") = "8"
    & skf18("6","8","1","6","3","10","1") = "9"
    & skf18("6","8","1","6","4","1","1") = "7"
    & skf18("6","8","1","6","4","2","1") = "7"
    & skf18("6","8","1","6","4","3","1") = "7"
    & skf18("6","8","1","6","4","4","1") = "7"
    & skf18("6","8","1","6","4","5","1") = "7"
    & skf18("6","8","1","6","4","6","1") = "7"
    & skf18("6","8","1","6","4","7","1") = "7"
    & skf18("6","8","1","6","4","8","1") = "7"
    & skf18("6","8","1","6","4","9","1") = "8"
    & skf18("6","8","1","6","4","10","1") = "9"
    & skf18("6","8","1","6","5","1","1") = "7"
    & skf18("6","8","1","6","5","2","1") = "7"
    & skf18("6","8","1","6","5","3","1") = "7"
    & skf18("6","8","1","6","5","4","1") = "7"
    & skf18("6","8","1","6","5","5","1") = "7"
    & skf18("6","8","1","6","5","6","1") = "7"
    & skf18("6","8","1","6","5","7","1") = "7"
    & skf18("6","8","1","6","5","8","1") = "7"
    & skf18("6","8","1","6","5","9","1") = "8"
    & skf18("6","8","1","6","5","10","1") = "9"
    & skf18("6","8","1","6","6","1","1") = "7"
    & skf18("6","8","1","6","6","2","1") = "7"
    & skf18("6","8","1","6","6","3","1") = "7"
    & skf18("6","8","1","6","6","4","1") = "7"
    & skf18("6","8","1","6","6","5","1") = "7"
    & skf18("6","8","1","6","6","6","1") = "7"
    & skf18("6","8","1","6","6","7","1") = "7"
    & skf18("6","8","1","6","6","8","1") = "7"
    & skf18("6","8","1","6","6","9","1") = "8"
    & skf18("6","8","1","6","6","10","1") = "9"
    & skf18("6","8","1","6","7","1","1") = "7"
    & skf18("6","8","1","6","7","2","1") = "7"
    & skf18("6","8","1","6","7","3","1") = "7"
    & skf18("6","8","1","6","7","4","1") = "7"
    & skf18("6","8","1","6","7","5","1") = "7"
    & skf18("6","8","1","6","7","6","1") = "7"
    & skf18("6","8","1","6","7","7","1") = "7"
    & skf18("6","8","1","6","7","8","1") = "7"
    & skf18("6","8","1","6","7","9","1") = "8"
    & skf18("6","8","1","6","7","10","1") = "9"
    & skf18("6","8","1","6","8","1","1") = "7"
    & skf18("6","8","1","6","8","2","1") = "7"
    & skf18("6","8","1","6","8","3","1") = "7"
    & skf18("6","8","1","6","8","4","1") = "7"
    & skf18("6","8","1","6","8","5","1") = "7"
    & skf18("6","8","1","6","8","6","1") = "7"
    & skf18("6","8","1","6","8","7","1") = "7"
    & skf18("6","8","1","6","8","8","1") = "7"
    & skf18("6","8","1","6","8","9","1") = "8"
    & skf18("6","8","1","6","8","10","1") = "9"
    & skf18("6","8","1","6","9","1","1") = "8"
    & skf18("6","8","1","6","9","2","1") = "8"
    & skf18("6","8","1","6","9","3","1") = "8"
    & skf18("6","8","1","6","9","4","1") = "8"
    & skf18("6","8","1","6","9","5","1") = "8"
    & skf18("6","8","1","6","9","6","1") = "8"
    & skf18("6","8","1","6","9","7","1") = "8"
    & skf18("6","8","1","6","9","8","1") = "8"
    & skf18("6","8","1","6","9","9","1") = "8"
    & skf18("6","8","1","6","9","10","1") = "9"
    & skf18("6","8","1","6","10","1","1") = "9"
    & skf18("6","8","1","6","10","2","1") = "9"
    & skf18("6","8","1","6","10","3","1") = "9"
    & skf18("6","8","1","6","10","4","1") = "9"
    & skf18("6","8","1","6","10","5","1") = "9"
    & skf18("6","8","1","6","10","6","1") = "9"
    & skf18("6","8","1","6","10","7","1") = "9"
    & skf18("6","8","1","6","10","8","1") = "9"
    & skf18("6","8","1","6","10","9","1") = "9"
    & skf18("6","8","1","6","10","10","1") = "9"
    & skf18("6","8","1","7","1","1","1") = "7"
    & skf18("6","8","1","7","1","2","1") = "7"
    & skf18("6","8","1","7","1","3","1") = "7"
    & skf18("6","8","1","7","1","4","1") = "7"
    & skf18("6","8","1","7","1","5","1") = "7"
    & skf18("6","8","1","7","1","6","1") = "7"
    & skf18("6","8","1","7","1","7","1") = "7"
    & skf18("6","8","1","7","1","8","1") = "7"
    & skf18("6","8","1","7","1","9","1") = "8"
    & skf18("6","8","1","7","1","10","1") = "9"
    & skf18("6","8","1","7","2","1","1") = "7"
    & skf18("6","8","1","7","2","2","1") = "7"
    & skf18("6","8","1","7","2","3","1") = "7"
    & skf18("6","8","1","7","2","4","1") = "7"
    & skf18("6","8","1","7","2","5","1") = "7"
    & skf18("6","8","1","7","2","6","1") = "7"
    & skf18("6","8","1","7","2","7","1") = "7"
    & skf18("6","8","1","7","2","8","1") = "7"
    & skf18("6","8","1","7","2","9","1") = "8"
    & skf18("6","8","1","7","2","10","1") = "9"
    & skf18("6","8","1","7","3","1","1") = "7"
    & skf18("6","8","1","7","3","2","1") = "7"
    & skf18("6","8","1","7","3","3","1") = "7"
    & skf18("6","8","1","7","3","4","1") = "7"
    & skf18("6","8","1","7","3","5","1") = "7"
    & skf18("6","8","1","7","3","6","1") = "7"
    & skf18("6","8","1","7","3","7","1") = "7"
    & skf18("6","8","1","7","3","8","1") = "7"
    & skf18("6","8","1","7","3","9","1") = "8"
    & skf18("6","8","1","7","3","10","1") = "9"
    & skf18("6","8","1","7","4","1","1") = "7"
    & skf18("6","8","1","7","4","2","1") = "7"
    & skf18("6","8","1","7","4","3","1") = "7"
    & skf18("6","8","1","7","4","4","1") = "7"
    & skf18("6","8","1","7","4","5","1") = "7"
    & skf18("6","8","1","7","4","6","1") = "7"
    & skf18("6","8","1","7","4","7","1") = "7"
    & skf18("6","8","1","7","4","8","1") = "7"
    & skf18("6","8","1","7","4","9","1") = "8"
    & skf18("6","8","1","7","4","10","1") = "9"
    & skf18("6","8","1","7","5","1","1") = "7"
    & skf18("6","8","1","7","5","2","1") = "7"
    & skf18("6","8","1","7","5","3","1") = "7"
    & skf18("6","8","1","7","5","4","1") = "7"
    & skf18("6","8","1","7","5","5","1") = "7"
    & skf18("6","8","1","7","5","6","1") = "7"
    & skf18("6","8","1","7","5","7","1") = "7"
    & skf18("6","8","1","7","5","8","1") = "7"
    & skf18("6","8","1","7","5","9","1") = "8"
    & skf18("6","8","1","7","5","10","1") = "9"
    & skf18("6","8","1","7","6","1","1") = "7"
    & skf18("6","8","1","7","6","2","1") = "7"
    & skf18("6","8","1","7","6","3","1") = "7"
    & skf18("6","8","1","7","6","4","1") = "7"
    & skf18("6","8","1","7","6","5","1") = "7"
    & skf18("6","8","1","7","6","6","1") = "7"
    & skf18("6","8","1","7","6","7","1") = "7"
    & skf18("6","8","1","7","6","8","1") = "7"
    & skf18("6","8","1","7","6","9","1") = "8"
    & skf18("6","8","1","7","6","10","1") = "9"
    & skf18("6","8","1","7","7","1","1") = "7"
    & skf18("6","8","1","7","7","2","1") = "7"
    & skf18("6","8","1","7","7","3","1") = "7"
    & skf18("6","8","1","7","7","4","1") = "7"
    & skf18("6","8","1","7","7","5","1") = "7"
    & skf18("6","8","1","7","7","6","1") = "7"
    & skf18("6","8","1","7","7","7","1") = "7"
    & skf18("6","8","1","7","7","8","1") = "7"
    & skf18("6","8","1","7","7","9","1") = "8"
    & skf18("6","8","1","7","7","10","1") = "9"
    & skf18("6","8","1","7","8","1","1") = "7"
    & skf18("6","8","1","7","8","2","1") = "7"
    & skf18("6","8","1","7","8","3","1") = "7"
    & skf18("6","8","1","7","8","4","1") = "7"
    & skf18("6","8","1","7","8","5","1") = "7"
    & skf18("6","8","1","7","8","6","1") = "7"
    & skf18("6","8","1","7","8","7","1") = "7"
    & skf18("6","8","1","7","8","8","1") = "7"
    & skf18("6","8","1","7","8","9","1") = "8"
    & skf18("6","8","1","7","8","10","1") = "9"
    & skf18("6","8","1","7","9","1","1") = "8"
    & skf18("6","8","1","7","9","2","1") = "8"
    & skf18("6","8","1","7","9","3","1") = "8"
    & skf18("6","8","1","7","9","4","1") = "8"
    & skf18("6","8","1","7","9","5","1") = "8"
    & skf18("6","8","1","7","9","6","1") = "8"
    & skf18("6","8","1","7","9","7","1") = "8"
    & skf18("6","8","1","7","9","8","1") = "8"
    & skf18("6","8","1","7","9","9","1") = "8"
    & skf18("6","8","1","7","9","10","1") = "9"
    & skf18("6","8","1","7","10","1","1") = "9"
    & skf18("6","8","1","7","10","2","1") = "9"
    & skf18("6","8","1","7","10","3","1") = "9"
    & skf18("6","8","1","7","10","4","1") = "9"
    & skf18("6","8","1","7","10","5","1") = "9"
    & skf18("6","8","1","7","10","6","1") = "9"
    & skf18("6","8","1","7","10","7","1") = "9"
    & skf18("6","8","1","7","10","8","1") = "9"
    & skf18("6","8","1","7","10","9","1") = "9"
    & skf18("6","8","1","7","10","10","1") = "9"
    & skf18("6","8","1","8","1","1","1") = "7"
    & skf18("6","8","1","8","1","2","1") = "7"
    & skf18("6","8","1","8","1","3","1") = "7"
    & skf18("6","8","1","8","1","4","1") = "7"
    & skf18("6","8","1","8","1","5","1") = "7"
    & skf18("6","8","1","8","1","6","1") = "7"
    & skf18("6","8","1","8","1","7","1") = "7"
    & skf18("6","8","1","8","1","8","1") = "7"
    & skf18("6","8","1","8","1","9","1") = "8"
    & skf18("6","8","1","8","1","10","1") = "9"
    & skf18("6","8","1","8","2","1","1") = "7"
    & skf18("6","8","1","8","2","2","1") = "7"
    & skf18("6","8","1","8","2","3","1") = "7"
    & skf18("6","8","1","8","2","4","1") = "7"
    & skf18("6","8","1","8","2","5","1") = "7"
    & skf18("6","8","1","8","2","6","1") = "7"
    & skf18("6","8","1","8","2","7","1") = "7"
    & skf18("6","8","1","8","2","8","1") = "7"
    & skf18("6","8","1","8","2","9","1") = "8"
    & skf18("6","8","1","8","2","10","1") = "9"
    & skf18("6","8","1","8","3","1","1") = "7"
    & skf18("6","8","1","8","3","2","1") = "7"
    & skf18("6","8","1","8","3","3","1") = "7"
    & skf18("6","8","1","8","3","4","1") = "7"
    & skf18("6","8","1","8","3","5","1") = "7"
    & skf18("6","8","1","8","3","6","1") = "7"
    & skf18("6","8","1","8","3","7","1") = "7"
    & skf18("6","8","1","8","3","8","1") = "7"
    & skf18("6","8","1","8","3","9","1") = "8"
    & skf18("6","8","1","8","3","10","1") = "9"
    & skf18("6","8","1","8","4","1","1") = "7"
    & skf18("6","8","1","8","4","2","1") = "7"
    & skf18("6","8","1","8","4","3","1") = "7"
    & skf18("6","8","1","8","4","4","1") = "7"
    & skf18("6","8","1","8","4","5","1") = "7"
    & skf18("6","8","1","8","4","6","1") = "7"
    & skf18("6","8","1","8","4","7","1") = "7"
    & skf18("6","8","1","8","4","8","1") = "7"
    & skf18("6","8","1","8","4","9","1") = "8"
    & skf18("6","8","1","8","4","10","1") = "9"
    & skf18("6","8","1","8","5","1","1") = "7"
    & skf18("6","8","1","8","5","2","1") = "7"
    & skf18("6","8","1","8","5","3","1") = "7"
    & skf18("6","8","1","8","5","4","1") = "7"
    & skf18("6","8","1","8","5","5","1") = "7"
    & skf18("6","8","1","8","5","6","1") = "7"
    & skf18("6","8","1","8","5","7","1") = "7"
    & skf18("6","8","1","8","5","8","1") = "7"
    & skf18("6","8","1","8","5","9","1") = "8"
    & skf18("6","8","1","8","5","10","1") = "9"
    & skf18("6","8","1","8","6","1","1") = "7"
    & skf18("6","8","1","8","6","2","1") = "7"
    & skf18("6","8","1","8","6","3","1") = "7"
    & skf18("6","8","1","8","6","4","1") = "7"
    & skf18("6","8","1","8","6","5","1") = "7"
    & skf18("6","8","1","8","6","6","1") = "7"
    & skf18("6","8","1","8","6","7","1") = "7"
    & skf18("6","8","1","8","6","8","1") = "7"
    & skf18("6","8","1","8","6","9","1") = "8"
    & skf18("6","8","1","8","6","10","1") = "9"
    & skf18("6","8","1","8","7","1","1") = "7"
    & skf18("6","8","1","8","7","2","1") = "7"
    & skf18("6","8","1","8","7","3","1") = "7"
    & skf18("6","8","1","8","7","4","1") = "7"
    & skf18("6","8","1","8","7","5","1") = "7"
    & skf18("6","8","1","8","7","6","1") = "7"
    & skf18("6","8","1","8","7","7","1") = "7"
    & skf18("6","8","1","8","7","8","1") = "7"
    & skf18("6","8","1","8","7","9","1") = "8"
    & skf18("6","8","1","8","7","10","1") = "9"
    & skf18("6","8","1","8","8","1","1") = "7"
    & skf18("6","8","1","8","8","2","1") = "7"
    & skf18("6","8","1","8","8","3","1") = "7"
    & skf18("6","8","1","8","8","4","1") = "7"
    & skf18("6","8","1","8","8","5","1") = "7"
    & skf18("6","8","1","8","8","6","1") = "7"
    & skf18("6","8","1","8","8","7","1") = "7"
    & skf18("6","8","1","8","8","8","1") = "7"
    & skf18("6","8","1","8","8","9","1") = "8"
    & skf18("6","8","1","8","8","10","1") = "9"
    & skf18("6","8","1","8","9","1","1") = "8"
    & skf18("6","8","1","8","9","2","1") = "8"
    & skf18("6","8","1","8","9","3","1") = "8"
    & skf18("6","8","1","8","9","4","1") = "8"
    & skf18("6","8","1","8","9","5","1") = "8"
    & skf18("6","8","1","8","9","6","1") = "8"
    & skf18("6","8","1","8","9","7","1") = "8"
    & skf18("6","8","1","8","9","8","1") = "8"
    & skf18("6","8","1","8","9","9","1") = "8"
    & skf18("6","8","1","8","9","10","1") = "9"
    & skf18("6","8","1","8","10","1","1") = "9"
    & skf18("6","8","1","8","10","2","1") = "9"
    & skf18("6","8","1","8","10","3","1") = "9"
    & skf18("6","8","1","8","10","4","1") = "9"
    & skf18("6","8","1","8","10","5","1") = "9"
    & skf18("6","8","1","8","10","6","1") = "9"
    & skf18("6","8","1","8","10","7","1") = "9"
    & skf18("6","8","1","8","10","8","1") = "9"
    & skf18("6","8","1","8","10","9","1") = "9"
    & skf18("6","8","1","8","10","10","1") = "9"
    & skf18("6","8","1","9","1","1","1") = "8"
    & skf18("6","8","1","9","1","2","1") = "8"
    & skf18("6","8","1","9","1","3","1") = "8"
    & skf18("6","8","1","9","1","4","1") = "8"
    & skf18("6","8","1","9","1","5","1") = "8"
    & skf18("6","8","1","9","1","6","1") = "8"
    & skf18("6","8","1","9","1","7","1") = "8"
    & skf18("6","8","1","9","1","8","1") = "8"
    & skf18("6","8","1","9","1","9","1") = "8"
    & skf18("6","8","1","9","1","10","1") = "9"
    & skf18("6","8","1","9","2","1","1") = "8"
    & skf18("6","8","1","9","2","2","1") = "8"
    & skf18("6","8","1","9","2","3","1") = "8"
    & skf18("6","8","1","9","2","4","1") = "8"
    & skf18("6","8","1","9","2","5","1") = "8"
    & skf18("6","8","1","9","2","6","1") = "8"
    & skf18("6","8","1","9","2","7","1") = "8"
    & skf18("6","8","1","9","2","8","1") = "8"
    & skf18("6","8","1","9","2","9","1") = "8"
    & skf18("6","8","1","9","2","10","1") = "9"
    & skf18("6","8","1","9","3","1","1") = "8"
    & skf18("6","8","1","9","3","2","1") = "8"
    & skf18("6","8","1","9","3","3","1") = "8"
    & skf18("6","8","1","9","3","4","1") = "8"
    & skf18("6","8","1","9","3","5","1") = "8"
    & skf18("6","8","1","9","3","6","1") = "8"
    & skf18("6","8","1","9","3","7","1") = "8"
    & skf18("6","8","1","9","3","8","1") = "8"
    & skf18("6","8","1","9","3","9","1") = "8"
    & skf18("6","8","1","9","3","10","1") = "9"
    & skf18("6","8","1","9","4","1","1") = "8"
    & skf18("6","8","1","9","4","2","1") = "8"
    & skf18("6","8","1","9","4","3","1") = "8"
    & skf18("6","8","1","9","4","4","1") = "8"
    & skf18("6","8","1","9","4","5","1") = "8"
    & skf18("6","8","1","9","4","6","1") = "8"
    & skf18("6","8","1","9","4","7","1") = "8"
    & skf18("6","8","1","9","4","8","1") = "8"
    & skf18("6","8","1","9","4","9","1") = "8"
    & skf18("6","8","1","9","4","10","1") = "9"
    & skf18("6","8","1","9","5","1","1") = "8"
    & skf18("6","8","1","9","5","2","1") = "8"
    & skf18("6","8","1","9","5","3","1") = "8"
    & skf18("6","8","1","9","5","4","1") = "8"
    & skf18("6","8","1","9","5","5","1") = "8"
    & skf18("6","8","1","9","5","6","1") = "8"
    & skf18("6","8","1","9","5","7","1") = "8"
    & skf18("6","8","1","9","5","8","1") = "8"
    & skf18("6","8","1","9","5","9","1") = "8"
    & skf18("6","8","1","9","5","10","1") = "9"
    & skf18("6","8","1","9","6","1","1") = "8"
    & skf18("6","8","1","9","6","2","1") = "8"
    & skf18("6","8","1","9","6","3","1") = "8"
    & skf18("6","8","1","9","6","4","1") = "8"
    & skf18("6","8","1","9","6","5","1") = "8"
    & skf18("6","8","1","9","6","6","1") = "8"
    & skf18("6","8","1","9","6","7","1") = "8"
    & skf18("6","8","1","9","6","8","1") = "8"
    & skf18("6","8","1","9","6","9","1") = "8"
    & skf18("6","8","1","9","6","10","1") = "9"
    & skf18("6","8","1","9","7","1","1") = "8"
    & skf18("6","8","1","9","7","2","1") = "8"
    & skf18("6","8","1","9","7","3","1") = "8"
    & skf18("6","8","1","9","7","4","1") = "8"
    & skf18("6","8","1","9","7","5","1") = "8"
    & skf18("6","8","1","9","7","6","1") = "8"
    & skf18("6","8","1","9","7","7","1") = "8"
    & skf18("6","8","1","9","7","8","1") = "8"
    & skf18("6","8","1","9","7","9","1") = "8"
    & skf18("6","8","1","9","7","10","1") = "9"
    & skf18("6","8","1","9","8","1","1") = "8"
    & skf18("6","8","1","9","8","2","1") = "8"
    & skf18("6","8","1","9","8","3","1") = "8"
    & skf18("6","8","1","9","8","4","1") = "8"
    & skf18("6","8","1","9","8","5","1") = "8"
    & skf18("6","8","1","9","8","6","1") = "8"
    & skf18("6","8","1","9","8","7","1") = "8"
    & skf18("6","8","1","9","8","8","1") = "8"
    & skf18("6","8","1","9","8","9","1") = "8"
    & skf18("6","8","1","9","8","10","1") = "9"
    & skf18("6","8","1","9","9","1","1") = "8"
    & skf18("6","8","1","9","9","2","1") = "8"
    & skf18("6","8","1","9","9","3","1") = "8"
    & skf18("6","8","1","9","9","4","1") = "8"
    & skf18("6","8","1","9","9","5","1") = "8"
    & skf18("6","8","1","9","9","6","1") = "8"
    & skf18("6","8","1","9","9","7","1") = "8"
    & skf18("6","8","1","9","9","8","1") = "8"
    & skf18("6","8","1","9","9","9","1") = "8"
    & skf18("6","8","1","9","9","10","1") = "9"
    & skf18("6","8","1","9","10","1","1") = "9"
    & skf18("6","8","1","9","10","2","1") = "9"
    & skf18("6","8","1","9","10","3","1") = "9"
    & skf18("6","8","1","9","10","4","1") = "9"
    & skf18("6","8","1","9","10","5","1") = "9"
    & skf18("6","8","1","9","10","6","1") = "9"
    & skf18("6","8","1","9","10","7","1") = "9"
    & skf18("6","8","1","9","10","8","1") = "9"
    & skf18("6","8","1","9","10","9","1") = "9"
    & skf18("6","8","1","9","10","10","1") = "9"
    & skf18("6","8","1","10","1","1","1") = "9"
    & skf18("6","8","1","10","1","2","1") = "9"
    & skf18("6","8","1","10","1","3","1") = "9"
    & skf18("6","8","1","10","1","4","1") = "9"
    & skf18("6","8","1","10","1","5","1") = "9"
    & skf18("6","8","1","10","1","6","1") = "9"
    & skf18("6","8","1","10","1","7","1") = "9"
    & skf18("6","8","1","10","1","8","1") = "9"
    & skf18("6","8","1","10","1","9","1") = "9"
    & skf18("6","8","1","10","1","10","1") = "9"
    & skf18("6","8","1","10","2","1","1") = "9"
    & skf18("6","8","1","10","2","2","1") = "9"
    & skf18("6","8","1","10","2","3","1") = "9"
    & skf18("6","8","1","10","2","4","1") = "9"
    & skf18("6","8","1","10","2","5","1") = "9"
    & skf18("6","8","1","10","2","6","1") = "9"
    & skf18("6","8","1","10","2","7","1") = "9"
    & skf18("6","8","1","10","2","8","1") = "9"
    & skf18("6","8","1","10","2","9","1") = "9"
    & skf18("6","8","1","10","2","10","1") = "9"
    & skf18("6","8","1","10","3","1","1") = "9"
    & skf18("6","8","1","10","3","2","1") = "9"
    & skf18("6","8","1","10","3","3","1") = "9"
    & skf18("6","8","1","10","3","4","1") = "9"
    & skf18("6","8","1","10","3","5","1") = "9"
    & skf18("6","8","1","10","3","6","1") = "9"
    & skf18("6","8","1","10","3","7","1") = "9"
    & skf18("6","8","1","10","3","8","1") = "9"
    & skf18("6","8","1","10","3","9","1") = "9"
    & skf18("6","8","1","10","3","10","1") = "9"
    & skf18("6","8","1","10","4","1","1") = "9"
    & skf18("6","8","1","10","4","2","1") = "9"
    & skf18("6","8","1","10","4","3","1") = "9"
    & skf18("6","8","1","10","4","4","1") = "9"
    & skf18("6","8","1","10","4","5","1") = "9"
    & skf18("6","8","1","10","4","6","1") = "9"
    & skf18("6","8","1","10","4","7","1") = "9"
    & skf18("6","8","1","10","4","8","1") = "9"
    & skf18("6","8","1","10","4","9","1") = "9"
    & skf18("6","8","1","10","4","10","1") = "9"
    & skf18("6","8","1","10","5","1","1") = "9"
    & skf18("6","8","1","10","5","2","1") = "9"
    & skf18("6","8","1","10","5","3","1") = "9"
    & skf18("6","8","1","10","5","4","1") = "9"
    & skf18("6","8","1","10","5","5","1") = "9"
    & skf18("6","8","1","10","5","6","1") = "9"
    & skf18("6","8","1","10","5","7","1") = "9"
    & skf18("6","8","1","10","5","8","1") = "9"
    & skf18("6","8","1","10","5","9","1") = "9"
    & skf18("6","8","1","10","5","10","1") = "9"
    & skf18("6","8","1","10","6","1","1") = "9"
    & skf18("6","8","1","10","6","2","1") = "9"
    & skf18("6","8","1","10","6","3","1") = "9"
    & skf18("6","8","1","10","6","4","1") = "9"
    & skf18("6","8","1","10","6","5","1") = "9"
    & skf18("6","8","1","10","6","6","1") = "9"
    & skf18("6","8","1","10","6","7","1") = "9"
    & skf18("6","8","1","10","6","8","1") = "9"
    & skf18("6","8","1","10","6","9","1") = "9"
    & skf18("6","8","1","10","6","10","1") = "9"
    & skf18("6","8","1","10","7","1","1") = "9"
    & skf18("6","8","1","10","7","2","1") = "9"
    & skf18("6","8","1","10","7","3","1") = "9"
    & skf18("6","8","1","10","7","4","1") = "9"
    & skf18("6","8","1","10","7","5","1") = "9"
    & skf18("6","8","1","10","7","6","1") = "9"
    & skf18("6","8","1","10","7","7","1") = "9"
    & skf18("6","8","1","10","7","8","1") = "9"
    & skf18("6","8","1","10","7","9","1") = "9"
    & skf18("6","8","1","10","7","10","1") = "9"
    & skf18("6","8","1","10","8","1","1") = "9"
    & skf18("6","8","1","10","8","2","1") = "9"
    & skf18("6","8","1","10","8","3","1") = "9"
    & skf18("6","8","1","10","8","4","1") = "9"
    & skf18("6","8","1","10","8","5","1") = "9"
    & skf18("6","8","1","10","8","6","1") = "9"
    & skf18("6","8","1","10","8","7","1") = "9"
    & skf18("6","8","1","10","8","8","1") = "9"
    & skf18("6","8","1","10","8","9","1") = "9"
    & skf18("6","8","1","10","8","10","1") = "9"
    & skf18("6","8","1","10","9","1","1") = "9"
    & skf18("6","8","1","10","9","2","1") = "9"
    & skf18("6","8","1","10","9","3","1") = "9"
    & skf18("6","8","1","10","9","4","1") = "9"
    & skf18("6","8","1","10","9","5","1") = "9"
    & skf18("6","8","1","10","9","6","1") = "9"
    & skf18("6","8","1","10","9","7","1") = "9"
    & skf18("6","8","1","10","9","8","1") = "9"
    & skf18("6","8","1","10","9","9","1") = "9"
    & skf18("6","8","1","10","9","10","1") = "9"
    & skf18("6","8","1","10","10","1","1") = "9"
    & skf18("6","8","1","10","10","2","1") = "9"
    & skf18("6","8","1","10","10","3","1") = "9"
    & skf18("6","8","1","10","10","4","1") = "9"
    & skf18("6","8","1","10","10","5","1") = "9"
    & skf18("6","8","1","10","10","6","1") = "9"
    & skf18("6","8","1","10","10","7","1") = "9"
    & skf18("6","8","1","10","10","8","1") = "9"
    & skf18("6","8","1","10","10","9","1") = "9"
    & skf18("6","8","1","10","10","10","1") = "9"
    & skf18("6","8","2","1","1","1","1") = "7"
    & skf18("6","8","2","1","1","2","1") = "7"
    & skf18("6","8","2","1","1","3","1") = "7"
    & skf18("6","8","2","1","1","4","1") = "7"
    & skf18("6","8","2","1","1","5","1") = "7"
    & skf18("6","8","2","1","1","6","1") = "7"
    & skf18("6","8","2","1","1","7","1") = "7"
    & skf18("6","8","2","1","1","8","1") = "7"
    & skf18("6","8","2","1","1","9","1") = "8"
    & skf18("6","8","2","1","1","10","1") = "9"
    & skf18("6","8","2","1","2","1","1") = "7"
    & skf18("6","8","2","1","2","2","1") = "7"
    & skf18("6","8","2","1","2","3","1") = "7"
    & skf18("6","8","2","1","2","4","1") = "7"
    & skf18("6","8","2","1","2","5","1") = "7"
    & skf18("6","8","2","1","2","6","1") = "7"
    & skf18("6","8","2","1","2","7","1") = "7"
    & skf18("6","8","2","1","2","8","1") = "7"
    & skf18("6","8","2","1","2","9","1") = "8"
    & skf18("6","8","2","1","2","10","1") = "9"
    & skf18("6","8","2","1","3","1","1") = "7"
    & skf18("6","8","2","1","3","2","1") = "7"
    & skf18("6","8","2","1","3","3","1") = "7"
    & skf18("6","8","2","1","3","4","1") = "7"
    & skf18("6","8","2","1","3","5","1") = "7"
    & skf18("6","8","2","1","3","6","1") = "7"
    & skf18("6","8","2","1","3","7","1") = "7"
    & skf18("6","8","2","1","3","8","1") = "7"
    & skf18("6","8","2","1","3","9","1") = "8"
    & skf18("6","8","2","1","3","10","1") = "9"
    & skf18("6","8","2","1","4","1","1") = "7"
    & skf18("6","8","2","1","4","2","1") = "7"
    & skf18("6","8","2","1","4","3","1") = "7"
    & skf18("6","8","2","1","4","4","1") = "7"
    & skf18("6","8","2","1","4","5","1") = "7"
    & skf18("6","8","2","1","4","6","1") = "7"
    & skf18("6","8","2","1","4","7","1") = "7"
    & skf18("6","8","2","1","4","8","1") = "7"
    & skf18("6","8","2","1","4","9","1") = "8"
    & skf18("6","8","2","1","4","10","1") = "9"
    & skf18("6","8","2","1","5","1","1") = "7"
    & skf18("6","8","2","1","5","2","1") = "7"
    & skf18("6","8","2","1","5","3","1") = "7"
    & skf18("6","8","2","1","5","4","1") = "7"
    & skf18("6","8","2","1","5","5","1") = "7"
    & skf18("6","8","2","1","5","6","1") = "7"
    & skf18("6","8","2","1","5","7","1") = "7"
    & skf18("6","8","2","1","5","8","1") = "7"
    & skf18("6","8","2","1","5","9","1") = "8"
    & skf18("6","8","2","1","5","10","1") = "9"
    & skf18("6","8","2","1","6","1","1") = "7"
    & skf18("6","8","2","1","6","2","1") = "7"
    & skf18("6","8","2","1","6","3","1") = "7"
    & skf18("6","8","2","1","6","4","1") = "7"
    & skf18("6","8","2","1","6","5","1") = "7"
    & skf18("6","8","2","1","6","6","1") = "7"
    & skf18("6","8","2","1","6","7","1") = "7"
    & skf18("6","8","2","1","6","8","1") = "7"
    & skf18("6","8","2","1","6","9","1") = "8"
    & skf18("6","8","2","1","6","10","1") = "9"
    & skf18("6","8","2","1","7","1","1") = "7"
    & skf18("6","8","2","1","7","2","1") = "7"
    & skf18("6","8","2","1","7","3","1") = "7"
    & skf18("6","8","2","1","7","4","1") = "7"
    & skf18("6","8","2","1","7","5","1") = "7"
    & skf18("6","8","2","1","7","6","1") = "7"
    & skf18("6","8","2","1","7","7","1") = "7"
    & skf18("6","8","2","1","7","8","1") = "7"
    & skf18("6","8","2","1","7","9","1") = "8"
    & skf18("6","8","2","1","7","10","1") = "9"
    & skf18("6","8","2","1","8","1","1") = "7"
    & skf18("6","8","2","1","8","2","1") = "7"
    & skf18("6","8","2","1","8","3","1") = "7"
    & skf18("6","8","2","1","8","4","1") = "7"
    & skf18("6","8","2","1","8","5","1") = "7"
    & skf18("6","8","2","1","8","6","1") = "7"
    & skf18("6","8","2","1","8","7","1") = "7"
    & skf18("6","8","2","1","8","8","1") = "7"
    & skf18("6","8","2","1","8","9","1") = "8"
    & skf18("6","8","2","1","8","10","1") = "9"
    & skf18("6","8","2","1","9","1","1") = "8"
    & skf18("6","8","2","1","9","2","1") = "8"
    & skf18("6","8","2","1","9","3","1") = "8"
    & skf18("6","8","2","1","9","4","1") = "8"
    & skf18("6","8","2","1","9","5","1") = "8"
    & skf18("6","8","2","1","9","6","1") = "8"
    & skf18("6","8","2","1","9","7","1") = "8"
    & skf18("6","8","2","1","9","8","1") = "8"
    & skf18("6","8","2","1","9","9","1") = "8"
    & skf18("6","8","2","1","9","10","1") = "9"
    & skf18("6","8","2","1","10","1","1") = "9"
    & skf18("6","8","2","1","10","2","1") = "9"
    & skf18("6","8","2","1","10","3","1") = "9"
    & skf18("6","8","2","1","10","4","1") = "9"
    & skf18("6","8","2","1","10","5","1") = "9"
    & skf18("6","8","2","1","10","6","1") = "9"
    & skf18("6","8","2","1","10","7","1") = "9"
    & skf18("6","8","2","1","10","8","1") = "9"
    & skf18("6","8","2","1","10","9","1") = "9"
    & skf18("6","8","2","1","10","10","1") = "9"
    & skf18("6","8","2","2","1","1","1") = "7"
    & skf18("6","8","2","2","1","2","1") = "7"
    & skf18("6","8","2","2","1","3","1") = "7"
    & skf18("6","8","2","2","1","4","1") = "7"
    & skf18("6","8","2","2","1","5","1") = "7"
    & skf18("6","8","2","2","1","6","1") = "7"
    & skf18("6","8","2","2","1","7","1") = "7"
    & skf18("6","8","2","2","1","8","1") = "7"
    & skf18("6","8","2","2","1","9","1") = "8"
    & skf18("6","8","2","2","1","10","1") = "9"
    & skf18("6","8","2","2","2","1","1") = "7"
    & skf18("6","8","2","2","2","2","1") = "7"
    & skf18("6","8","2","2","2","3","1") = "7"
    & skf18("6","8","2","2","2","4","1") = "7"
    & skf18("6","8","2","2","2","5","1") = "7"
    & skf18("6","8","2","2","2","6","1") = "7"
    & skf18("6","8","2","2","2","7","1") = "7"
    & skf18("6","8","2","2","2","8","1") = "7"
    & skf18("6","8","2","2","2","9","1") = "8"
    & skf18("6","8","2","2","2","10","1") = "9"
    & skf18("6","8","2","2","3","1","1") = "7"
    & skf18("6","8","2","2","3","2","1") = "7"
    & skf18("6","8","2","2","3","3","1") = "7"
    & skf18("6","8","2","2","3","4","1") = "7"
    & skf18("6","8","2","2","3","5","1") = "7"
    & skf18("6","8","2","2","3","6","1") = "7"
    & skf18("6","8","2","2","3","7","1") = "7"
    & skf18("6","8","2","2","3","8","1") = "7"
    & skf18("6","8","2","2","3","9","1") = "8"
    & skf18("6","8","2","2","3","10","1") = "9"
    & skf18("6","8","2","2","4","1","1") = "7"
    & skf18("6","8","2","2","4","2","1") = "7"
    & skf18("6","8","2","2","4","3","1") = "7"
    & skf18("6","8","2","2","4","4","1") = "7"
    & skf18("6","8","2","2","4","5","1") = "7"
    & skf18("6","8","2","2","4","6","1") = "7"
    & skf18("6","8","2","2","4","7","1") = "7"
    & skf18("6","8","2","2","4","8","1") = "7"
    & skf18("6","8","2","2","4","9","1") = "8"
    & skf18("6","8","2","2","4","10","1") = "9"
    & skf18("6","8","2","2","5","1","1") = "7"
    & skf18("6","8","2","2","5","2","1") = "7"
    & skf18("6","8","2","2","5","3","1") = "7"
    & skf18("6","8","2","2","5","4","1") = "7"
    & skf18("6","8","2","2","5","5","1") = "7"
    & skf18("6","8","2","2","5","6","1") = "7"
    & skf18("6","8","2","2","5","7","1") = "7"
    & skf18("6","8","2","2","5","8","1") = "7"
    & skf18("6","8","2","2","5","9","1") = "8"
    & skf18("6","8","2","2","5","10","1") = "9"
    & skf18("6","8","2","2","6","1","1") = "7"
    & skf18("6","8","2","2","6","2","1") = "7"
    & skf18("6","8","2","2","6","3","1") = "7"
    & skf18("6","8","2","2","6","4","1") = "7"
    & skf18("6","8","2","2","6","5","1") = "7"
    & skf18("6","8","2","2","6","6","1") = "7"
    & skf18("6","8","2","2","6","7","1") = "7"
    & skf18("6","8","2","2","6","8","1") = "7"
    & skf18("6","8","2","2","6","9","1") = "8"
    & skf18("6","8","2","2","6","10","1") = "9"
    & skf18("6","8","2","2","7","1","1") = "7"
    & skf18("6","8","2","2","7","2","1") = "7"
    & skf18("6","8","2","2","7","3","1") = "7"
    & skf18("6","8","2","2","7","4","1") = "7"
    & skf18("6","8","2","2","7","5","1") = "7"
    & skf18("6","8","2","2","7","6","1") = "7"
    & skf18("6","8","2","2","7","7","1") = "7"
    & skf18("6","8","2","2","7","8","1") = "7"
    & skf18("6","8","2","2","7","9","1") = "8"
    & skf18("6","8","2","2","7","10","1") = "9"
    & skf18("6","8","2","2","8","1","1") = "7"
    & skf18("6","8","2","2","8","2","1") = "7"
    & skf18("6","8","2","2","8","3","1") = "7"
    & skf18("6","8","2","2","8","4","1") = "7"
    & skf18("6","8","2","2","8","5","1") = "7"
    & skf18("6","8","2","2","8","6","1") = "7"
    & skf18("6","8","2","2","8","7","1") = "7"
    & skf18("6","8","2","2","8","8","1") = "7"
    & skf18("6","8","2","2","8","9","1") = "8"
    & skf18("6","8","2","2","8","10","1") = "9"
    & skf18("6","8","2","2","9","1","1") = "8"
    & skf18("6","8","2","2","9","2","1") = "8"
    & skf18("6","8","2","2","9","3","1") = "8"
    & skf18("6","8","2","2","9","4","1") = "8"
    & skf18("6","8","2","2","9","5","1") = "8"
    & skf18("6","8","2","2","9","6","1") = "8"
    & skf18("6","8","2","2","9","7","1") = "8"
    & skf18("6","8","2","2","9","8","1") = "8"
    & skf18("6","8","2","2","9","9","1") = "8"
    & skf18("6","8","2","2","9","10","1") = "9"
    & skf18("6","8","2","2","10","1","1") = "9"
    & skf18("6","8","2","2","10","2","1") = "9"
    & skf18("6","8","2","2","10","3","1") = "9"
    & skf18("6","8","2","2","10","4","1") = "9"
    & skf18("6","8","2","2","10","5","1") = "9"
    & skf18("6","8","2","2","10","6","1") = "9"
    & skf18("6","8","2","2","10","7","1") = "9"
    & skf18("6","8","2","2","10","8","1") = "9"
    & skf18("6","8","2","2","10","9","1") = "9"
    & skf18("6","8","2","2","10","10","1") = "9"
    & skf18("6","8","2","3","1","1","1") = "7"
    & skf18("6","8","2","3","1","2","1") = "7"
    & skf18("6","8","2","3","1","3","1") = "7"
    & skf18("6","8","2","3","1","4","1") = "7"
    & skf18("6","8","2","3","1","5","1") = "7"
    & skf18("6","8","2","3","1","6","1") = "7"
    & skf18("6","8","2","3","1","7","1") = "7"
    & skf18("6","8","2","3","1","8","1") = "7"
    & skf18("6","8","2","3","1","9","1") = "8"
    & skf18("6","8","2","3","1","10","1") = "9"
    & skf18("6","8","2","3","2","1","1") = "7"
    & skf18("6","8","2","3","2","2","1") = "7"
    & skf18("6","8","2","3","2","3","1") = "7"
    & skf18("6","8","2","3","2","4","1") = "7"
    & skf18("6","8","2","3","2","5","1") = "7"
    & skf18("6","8","2","3","2","6","1") = "7"
    & skf18("6","8","2","3","2","7","1") = "7"
    & skf18("6","8","2","3","2","8","1") = "7"
    & skf18("6","8","2","3","2","9","1") = "8"
    & skf18("6","8","2","3","2","10","1") = "9"
    & skf18("6","8","2","3","3","1","1") = "7"
    & skf18("6","8","2","3","3","2","1") = "7"
    & skf18("6","8","2","3","3","3","1") = "7"
    & skf18("6","8","2","3","3","4","1") = "7"
    & skf18("6","8","2","3","3","5","1") = "7"
    & skf18("6","8","2","3","3","6","1") = "7"
    & skf18("6","8","2","3","3","7","1") = "7"
    & skf18("6","8","2","3","3","8","1") = "7"
    & skf18("6","8","2","3","3","9","1") = "8"
    & skf18("6","8","2","3","3","10","1") = "9"
    & skf18("6","8","2","3","4","1","1") = "7"
    & skf18("6","8","2","3","4","2","1") = "7"
    & skf18("6","8","2","3","4","3","1") = "7"
    & skf18("6","8","2","3","4","4","1") = "7"
    & skf18("6","8","2","3","4","5","1") = "7"
    & skf18("6","8","2","3","4","6","1") = "7"
    & skf18("6","8","2","3","4","7","1") = "7"
    & skf18("6","8","2","3","4","8","1") = "7"
    & skf18("6","8","2","3","4","9","1") = "8"
    & skf18("6","8","2","3","4","10","1") = "9"
    & skf18("6","8","2","3","5","1","1") = "7"
    & skf18("6","8","2","3","5","2","1") = "7"
    & skf18("6","8","2","3","5","3","1") = "7"
    & skf18("6","8","2","3","5","4","1") = "7"
    & skf18("6","8","2","3","5","5","1") = "7"
    & skf18("6","8","2","3","5","6","1") = "7"
    & skf18("6","8","2","3","5","7","1") = "7"
    & skf18("6","8","2","3","5","8","1") = "7"
    & skf18("6","8","2","3","5","9","1") = "8"
    & skf18("6","8","2","3","5","10","1") = "9"
    & skf18("6","8","2","3","6","1","1") = "7"
    & skf18("6","8","2","3","6","2","1") = "7"
    & skf18("6","8","2","3","6","3","1") = "7"
    & skf18("6","8","2","3","6","4","1") = "7"
    & skf18("6","8","2","3","6","5","1") = "7"
    & skf18("6","8","2","3","6","6","1") = "7"
    & skf18("6","8","2","3","6","7","1") = "7"
    & skf18("6","8","2","3","6","8","1") = "7"
    & skf18("6","8","2","3","6","9","1") = "8"
    & skf18("6","8","2","3","6","10","1") = "9"
    & skf18("6","8","2","3","7","1","1") = "7"
    & skf18("6","8","2","3","7","2","1") = "7"
    & skf18("6","8","2","3","7","3","1") = "7"
    & skf18("6","8","2","3","7","4","1") = "7"
    & skf18("6","8","2","3","7","5","1") = "7"
    & skf18("6","8","2","3","7","6","1") = "7"
    & skf18("6","8","2","3","7","7","1") = "7"
    & skf18("6","8","2","3","7","8","1") = "7"
    & skf18("6","8","2","3","7","9","1") = "8"
    & skf18("6","8","2","3","7","10","1") = "9"
    & skf18("6","8","2","3","8","1","1") = "7"
    & skf18("6","8","2","3","8","2","1") = "7"
    & skf18("6","8","2","3","8","3","1") = "7"
    & skf18("6","8","2","3","8","4","1") = "7"
    & skf18("6","8","2","3","8","5","1") = "7"
    & skf18("6","8","2","3","8","6","1") = "7"
    & skf18("6","8","2","3","8","7","1") = "7"
    & skf18("6","8","2","3","8","8","1") = "7"
    & skf18("6","8","2","3","8","9","1") = "8"
    & skf18("6","8","2","3","8","10","1") = "9"
    & skf18("6","8","2","3","9","1","1") = "8"
    & skf18("6","8","2","3","9","2","1") = "8"
    & skf18("6","8","2","3","9","3","1") = "8"
    & skf18("6","8","2","3","9","4","1") = "8"
    & skf18("6","8","2","3","9","5","1") = "8"
    & skf18("6","8","2","3","9","6","1") = "8"
    & skf18("6","8","2","3","9","7","1") = "8"
    & skf18("6","8","2","3","9","8","1") = "8"
    & skf18("6","8","2","3","9","9","1") = "8"
    & skf18("6","8","2","3","9","10","1") = "9"
    & skf18("6","8","2","3","10","1","1") = "9"
    & skf18("6","8","2","3","10","2","1") = "9"
    & skf18("6","8","2","3","10","3","1") = "9"
    & skf18("6","8","2","3","10","4","1") = "9"
    & skf18("6","8","2","3","10","5","1") = "9"
    & skf18("6","8","2","3","10","6","1") = "9"
    & skf18("6","8","2","3","10","7","1") = "9"
    & skf18("6","8","2","3","10","8","1") = "9"
    & skf18("6","8","2","3","10","9","1") = "9"
    & skf18("6","8","2","3","10","10","1") = "9"
    & skf18("6","8","2","4","1","1","1") = "7"
    & skf18("6","8","2","4","1","2","1") = "7"
    & skf18("6","8","2","4","1","3","1") = "7"
    & skf18("6","8","2","4","1","4","1") = "7"
    & skf18("6","8","2","4","1","5","1") = "7"
    & skf18("6","8","2","4","1","6","1") = "7"
    & skf18("6","8","2","4","1","7","1") = "7"
    & skf18("6","8","2","4","1","8","1") = "7"
    & skf18("6","8","2","4","1","9","1") = "8"
    & skf18("6","8","2","4","1","10","1") = "9"
    & skf18("6","8","2","4","2","1","1") = "7"
    & skf18("6","8","2","4","2","2","1") = "7"
    & skf18("6","8","2","4","2","3","1") = "7"
    & skf18("6","8","2","4","2","4","1") = "7"
    & skf18("6","8","2","4","2","5","1") = "7"
    & skf18("6","8","2","4","2","6","1") = "7"
    & skf18("6","8","2","4","2","7","1") = "7"
    & skf18("6","8","2","4","2","8","1") = "7"
    & skf18("6","8","2","4","2","9","1") = "8"
    & skf18("6","8","2","4","2","10","1") = "9"
    & skf18("6","8","2","4","3","1","1") = "7"
    & skf18("6","8","2","4","3","2","1") = "7"
    & skf18("6","8","2","4","3","3","1") = "7"
    & skf18("6","8","2","4","3","4","1") = "7"
    & skf18("6","8","2","4","3","5","1") = "7"
    & skf18("6","8","2","4","3","6","1") = "7"
    & skf18("6","8","2","4","3","7","1") = "7"
    & skf18("6","8","2","4","3","8","1") = "7"
    & skf18("6","8","2","4","3","9","1") = "8"
    & skf18("6","8","2","4","3","10","1") = "9"
    & skf18("6","8","2","4","4","1","1") = "7"
    & skf18("6","8","2","4","4","2","1") = "7"
    & skf18("6","8","2","4","4","3","1") = "7"
    & skf18("6","8","2","4","4","4","1") = "7"
    & skf18("6","8","2","4","4","5","1") = "7"
    & skf18("6","8","2","4","4","6","1") = "7"
    & skf18("6","8","2","4","4","7","1") = "7"
    & skf18("6","8","2","4","4","8","1") = "7"
    & skf18("6","8","2","4","4","9","1") = "8"
    & skf18("6","8","2","4","4","10","1") = "9"
    & skf18("6","8","2","4","5","1","1") = "7"
    & skf18("6","8","2","4","5","2","1") = "7"
    & skf18("6","8","2","4","5","3","1") = "7"
    & skf18("6","8","2","4","5","4","1") = "7"
    & skf18("6","8","2","4","5","5","1") = "7"
    & skf18("6","8","2","4","5","6","1") = "7"
    & skf18("6","8","2","4","5","7","1") = "7"
    & skf18("6","8","2","4","5","8","1") = "7"
    & skf18("6","8","2","4","5","9","1") = "8"
    & skf18("6","8","2","4","5","10","1") = "9"
    & skf18("6","8","2","4","6","1","1") = "7"
    & skf18("6","8","2","4","6","2","1") = "7"
    & skf18("6","8","2","4","6","3","1") = "7"
    & skf18("6","8","2","4","6","4","1") = "7"
    & skf18("6","8","2","4","6","5","1") = "7"
    & skf18("6","8","2","4","6","6","1") = "7"
    & skf18("6","8","2","4","6","7","1") = "7"
    & skf18("6","8","2","4","6","8","1") = "7"
    & skf18("6","8","2","4","6","9","1") = "8"
    & skf18("6","8","2","4","6","10","1") = "9"
    & skf18("6","8","2","4","7","1","1") = "7"
    & skf18("6","8","2","4","7","2","1") = "7"
    & skf18("6","8","2","4","7","3","1") = "7"
    & skf18("6","8","2","4","7","4","1") = "7"
    & skf18("6","8","2","4","7","5","1") = "7"
    & skf18("6","8","2","4","7","6","1") = "7"
    & skf18("6","8","2","4","7","7","1") = "7"
    & skf18("6","8","2","4","7","8","1") = "7"
    & skf18("6","8","2","4","7","9","1") = "8"
    & skf18("6","8","2","4","7","10","1") = "9"
    & skf18("6","8","2","4","8","1","1") = "7"
    & skf18("6","8","2","4","8","2","1") = "7"
    & skf18("6","8","2","4","8","3","1") = "7"
    & skf18("6","8","2","4","8","4","1") = "7"
    & skf18("6","8","2","4","8","5","1") = "7"
    & skf18("6","8","2","4","8","6","1") = "7"
    & skf18("6","8","2","4","8","7","1") = "7"
    & skf18("6","8","2","4","8","8","1") = "7"
    & skf18("6","8","2","4","8","9","1") = "8"
    & skf18("6","8","2","4","8","10","1") = "9"
    & skf18("6","8","2","4","9","1","1") = "8"
    & skf18("6","8","2","4","9","2","1") = "8"
    & skf18("6","8","2","4","9","3","1") = "8"
    & skf18("6","8","2","4","9","4","1") = "8"
    & skf18("6","8","2","4","9","5","1") = "8"
    & skf18("6","8","2","4","9","6","1") = "8"
    & skf18("6","8","2","4","9","7","1") = "8"
    & skf18("6","8","2","4","9","8","1") = "8"
    & skf18("6","8","2","4","9","9","1") = "8"
    & skf18("6","8","2","4","9","10","1") = "9"
    & skf18("6","8","2","4","10","1","1") = "9"
    & skf18("6","8","2","4","10","2","1") = "9"
    & skf18("6","8","2","4","10","3","1") = "9"
    & skf18("6","8","2","4","10","4","1") = "9"
    & skf18("6","8","2","4","10","5","1") = "9"
    & skf18("6","8","2","4","10","6","1") = "9"
    & skf18("6","8","2","4","10","7","1") = "9"
    & skf18("6","8","2","4","10","8","1") = "9"
    & skf18("6","8","2","4","10","9","1") = "9"
    & skf18("6","8","2","4","10","10","1") = "9"
    & skf18("6","8","2","5","1","1","1") = "7"
    & skf18("6","8","2","5","1","2","1") = "7"
    & skf18("6","8","2","5","1","3","1") = "7"
    & skf18("6","8","2","5","1","4","1") = "7"
    & skf18("6","8","2","5","1","5","1") = "7"
    & skf18("6","8","2","5","1","6","1") = "7"
    & skf18("6","8","2","5","1","7","1") = "7"
    & skf18("6","8","2","5","1","8","1") = "7"
    & skf18("6","8","2","5","1","9","1") = "8"
    & skf18("6","8","2","5","1","10","1") = "9"
    & skf18("6","8","2","5","2","1","1") = "7"
    & skf18("6","8","2","5","2","2","1") = "7"
    & skf18("6","8","2","5","2","3","1") = "7"
    & skf18("6","8","2","5","2","4","1") = "7"
    & skf18("6","8","2","5","2","5","1") = "7"
    & skf18("6","8","2","5","2","6","1") = "7"
    & skf18("6","8","2","5","2","7","1") = "7"
    & skf18("6","8","2","5","2","8","1") = "7"
    & skf18("6","8","2","5","2","9","1") = "8"
    & skf18("6","8","2","5","2","10","1") = "9"
    & skf18("6","8","2","5","3","1","1") = "7"
    & skf18("6","8","2","5","3","2","1") = "7"
    & skf18("6","8","2","5","3","3","1") = "7"
    & skf18("6","8","2","5","3","4","1") = "7"
    & skf18("6","8","2","5","3","5","1") = "7"
    & skf18("6","8","2","5","3","6","1") = "7"
    & skf18("6","8","2","5","3","7","1") = "7"
    & skf18("6","8","2","5","3","8","1") = "7"
    & skf18("6","8","2","5","3","9","1") = "8"
    & skf18("6","8","2","5","3","10","1") = "9"
    & skf18("6","8","2","5","4","1","1") = "7"
    & skf18("6","8","2","5","4","2","1") = "7"
    & skf18("6","8","2","5","4","3","1") = "7"
    & skf18("6","8","2","5","4","4","1") = "7"
    & skf18("6","8","2","5","4","5","1") = "7"
    & skf18("6","8","2","5","4","6","1") = "7"
    & skf18("6","8","2","5","4","7","1") = "7"
    & skf18("6","8","2","5","4","8","1") = "7"
    & skf18("6","8","2","5","4","9","1") = "8"
    & skf18("6","8","2","5","4","10","1") = "9"
    & skf18("6","8","2","5","5","1","1") = "7"
    & skf18("6","8","2","5","5","2","1") = "7"
    & skf18("6","8","2","5","5","3","1") = "7"
    & skf18("6","8","2","5","5","4","1") = "7"
    & skf18("6","8","2","5","5","5","1") = "7"
    & skf18("6","8","2","5","5","6","1") = "7"
    & skf18("6","8","2","5","5","7","1") = "7"
    & skf18("6","8","2","5","5","8","1") = "7"
    & skf18("6","8","2","5","5","9","1") = "8"
    & skf18("6","8","2","5","5","10","1") = "9"
    & skf18("6","8","2","5","6","1","1") = "7"
    & skf18("6","8","2","5","6","2","1") = "7"
    & skf18("6","8","2","5","6","3","1") = "7"
    & skf18("6","8","2","5","6","4","1") = "7"
    & skf18("6","8","2","5","6","5","1") = "7"
    & skf18("6","8","2","5","6","6","1") = "7"
    & skf18("6","8","2","5","6","7","1") = "7"
    & skf18("6","8","2","5","6","8","1") = "7"
    & skf18("6","8","2","5","6","9","1") = "8"
    & skf18("6","8","2","5","6","10","1") = "9"
    & skf18("6","8","2","5","7","1","1") = "7"
    & skf18("6","8","2","5","7","2","1") = "7"
    & skf18("6","8","2","5","7","3","1") = "7"
    & skf18("6","8","2","5","7","4","1") = "7"
    & skf18("6","8","2","5","7","5","1") = "7"
    & skf18("6","8","2","5","7","6","1") = "7"
    & skf18("6","8","2","5","7","7","1") = "7"
    & skf18("6","8","2","5","7","8","1") = "7"
    & skf18("6","8","2","5","7","9","1") = "8"
    & skf18("6","8","2","5","7","10","1") = "9"
    & skf18("6","8","2","5","8","1","1") = "7"
    & skf18("6","8","2","5","8","2","1") = "7"
    & skf18("6","8","2","5","8","3","1") = "7"
    & skf18("6","8","2","5","8","4","1") = "7"
    & skf18("6","8","2","5","8","5","1") = "7"
    & skf18("6","8","2","5","8","6","1") = "7"
    & skf18("6","8","2","5","8","7","1") = "7"
    & skf18("6","8","2","5","8","8","1") = "7"
    & skf18("6","8","2","5","8","9","1") = "8"
    & skf18("6","8","2","5","8","10","1") = "9"
    & skf18("6","8","2","5","9","1","1") = "8"
    & skf18("6","8","2","5","9","2","1") = "8"
    & skf18("6","8","2","5","9","3","1") = "8"
    & skf18("6","8","2","5","9","4","1") = "8"
    & skf18("6","8","2","5","9","5","1") = "8"
    & skf18("6","8","2","5","9","6","1") = "8"
    & skf18("6","8","2","5","9","7","1") = "8"
    & skf18("6","8","2","5","9","8","1") = "8"
    & skf18("6","8","2","5","9","9","1") = "8"
    & skf18("6","8","2","5","9","10","1") = "9"
    & skf18("6","8","2","5","10","1","1") = "9"
    & skf18("6","8","2","5","10","2","1") = "9"
    & skf18("6","8","2","5","10","3","1") = "9"
    & skf18("6","8","2","5","10","4","1") = "9"
    & skf18("6","8","2","5","10","5","1") = "9"
    & skf18("6","8","2","5","10","6","1") = "9"
    & skf18("6","8","2","5","10","7","1") = "9"
    & skf18("6","8","2","5","10","8","1") = "9"
    & skf18("6","8","2","5","10","9","1") = "9"
    & skf18("6","8","2","5","10","10","1") = "9"
    & skf18("6","8","2","6","1","1","1") = "7"
    & skf18("6","8","2","6","1","2","1") = "7"
    & skf18("6","8","2","6","1","3","1") = "7"
    & skf18("6","8","2","6","1","4","1") = "7"
    & skf18("6","8","2","6","1","5","1") = "7"
    & skf18("6","8","2","6","1","6","1") = "7"
    & skf18("6","8","2","6","1","7","1") = "7"
    & skf18("6","8","2","6","1","8","1") = "7"
    & skf18("6","8","2","6","1","9","1") = "8"
    & skf18("6","8","2","6","1","10","1") = "9"
    & skf18("6","8","2","6","2","1","1") = "7"
    & skf18("6","8","2","6","2","2","1") = "7"
    & skf18("6","8","2","6","2","3","1") = "7"
    & skf18("6","8","2","6","2","4","1") = "7"
    & skf18("6","8","2","6","2","5","1") = "7"
    & skf18("6","8","2","6","2","6","1") = "7"
    & skf18("6","8","2","6","2","7","1") = "7"
    & skf18("6","8","2","6","2","8","1") = "7"
    & skf18("6","8","2","6","2","9","1") = "8"
    & skf18("6","8","2","6","2","10","1") = "9"
    & skf18("6","8","2","6","3","1","1") = "7"
    & skf18("6","8","2","6","3","2","1") = "7"
    & skf18("6","8","2","6","3","3","1") = "7"
    & skf18("6","8","2","6","3","4","1") = "7"
    & skf18("6","8","2","6","3","5","1") = "7"
    & skf18("6","8","2","6","3","6","1") = "7"
    & skf18("6","8","2","6","3","7","1") = "7"
    & skf18("6","8","2","6","3","8","1") = "7"
    & skf18("6","8","2","6","3","9","1") = "8"
    & skf18("6","8","2","6","3","10","1") = "9"
    & skf18("6","8","2","6","4","1","1") = "7"
    & skf18("6","8","2","6","4","2","1") = "7"
    & skf18("6","8","2","6","4","3","1") = "7"
    & skf18("6","8","2","6","4","4","1") = "7"
    & skf18("6","8","2","6","4","5","1") = "7"
    & skf18("6","8","2","6","4","6","1") = "7"
    & skf18("6","8","2","6","4","7","1") = "7"
    & skf18("6","8","2","6","4","8","1") = "7"
    & skf18("6","8","2","6","4","9","1") = "8"
    & skf18("6","8","2","6","4","10","1") = "9"
    & skf18("6","8","2","6","5","1","1") = "7"
    & skf18("6","8","2","6","5","2","1") = "7"
    & skf18("6","8","2","6","5","3","1") = "7"
    & skf18("6","8","2","6","5","4","1") = "7"
    & skf18("6","8","2","6","5","5","1") = "7"
    & skf18("6","8","2","6","5","6","1") = "7"
    & skf18("6","8","2","6","5","7","1") = "7"
    & skf18("6","8","2","6","5","8","1") = "7"
    & skf18("6","8","2","6","5","9","1") = "8"
    & skf18("6","8","2","6","5","10","1") = "9"
    & skf18("6","8","2","6","6","1","1") = "7"
    & skf18("6","8","2","6","6","2","1") = "7"
    & skf18("6","8","2","6","6","3","1") = "7"
    & skf18("6","8","2","6","6","4","1") = "7"
    & skf18("6","8","2","6","6","5","1") = "7"
    & skf18("6","8","2","6","6","6","1") = "7"
    & skf18("6","8","2","6","6","7","1") = "7"
    & skf18("6","8","2","6","6","8","1") = "7"
    & skf18("6","8","2","6","6","9","1") = "8"
    & skf18("6","8","2","6","6","10","1") = "9"
    & skf18("6","8","2","6","7","1","1") = "7"
    & skf18("6","8","2","6","7","2","1") = "7"
    & skf18("6","8","2","6","7","3","1") = "7"
    & skf18("6","8","2","6","7","4","1") = "7"
    & skf18("6","8","2","6","7","5","1") = "7"
    & skf18("6","8","2","6","7","6","1") = "7"
    & skf18("6","8","2","6","7","7","1") = "7"
    & skf18("6","8","2","6","7","8","1") = "7"
    & skf18("6","8","2","6","7","9","1") = "8"
    & skf18("6","8","2","6","7","10","1") = "9"
    & skf18("6","8","2","6","8","1","1") = "7"
    & skf18("6","8","2","6","8","2","1") = "7"
    & skf18("6","8","2","6","8","3","1") = "7"
    & skf18("6","8","2","6","8","4","1") = "7"
    & skf18("6","8","2","6","8","5","1") = "7"
    & skf18("6","8","2","6","8","6","1") = "7"
    & skf18("6","8","2","6","8","7","1") = "7"
    & skf18("6","8","2","6","8","8","1") = "7"
    & skf18("6","8","2","6","8","9","1") = "8"
    & skf18("6","8","2","6","8","10","1") = "9"
    & skf18("6","8","2","6","9","1","1") = "8"
    & skf18("6","8","2","6","9","2","1") = "8"
    & skf18("6","8","2","6","9","3","1") = "8"
    & skf18("6","8","2","6","9","4","1") = "8"
    & skf18("6","8","2","6","9","5","1") = "8"
    & skf18("6","8","2","6","9","6","1") = "8"
    & skf18("6","8","2","6","9","7","1") = "8"
    & skf18("6","8","2","6","9","8","1") = "8"
    & skf18("6","8","2","6","9","9","1") = "8"
    & skf18("6","8","2","6","9","10","1") = "9"
    & skf18("6","8","2","6","10","1","1") = "9"
    & skf18("6","8","2","6","10","2","1") = "9"
    & skf18("6","8","2","6","10","3","1") = "9"
    & skf18("6","8","2","6","10","4","1") = "9"
    & skf18("6","8","2","6","10","5","1") = "9"
    & skf18("6","8","2","6","10","6","1") = "9"
    & skf18("6","8","2","6","10","7","1") = "9"
    & skf18("6","8","2","6","10","8","1") = "9"
    & skf18("6","8","2","6","10","9","1") = "9"
    & skf18("6","8","2","6","10","10","1") = "9"
    & skf18("6","8","2","7","1","1","1") = "7"
    & skf18("6","8","2","7","1","2","1") = "7"
    & skf18("6","8","2","7","1","3","1") = "7"
    & skf18("6","8","2","7","1","4","1") = "7"
    & skf18("6","8","2","7","1","5","1") = "7"
    & skf18("6","8","2","7","1","6","1") = "7"
    & skf18("6","8","2","7","1","7","1") = "7"
    & skf18("6","8","2","7","1","8","1") = "7"
    & skf18("6","8","2","7","1","9","1") = "8"
    & skf18("6","8","2","7","1","10","1") = "9"
    & skf18("6","8","2","7","2","1","1") = "7"
    & skf18("6","8","2","7","2","2","1") = "7"
    & skf18("6","8","2","7","2","3","1") = "7"
    & skf18("6","8","2","7","2","4","1") = "7"
    & skf18("6","8","2","7","2","5","1") = "7"
    & skf18("6","8","2","7","2","6","1") = "7"
    & skf18("6","8","2","7","2","7","1") = "7"
    & skf18("6","8","2","7","2","8","1") = "7"
    & skf18("6","8","2","7","2","9","1") = "8"
    & skf18("6","8","2","7","2","10","1") = "9"
    & skf18("6","8","2","7","3","1","1") = "7"
    & skf18("6","8","2","7","3","2","1") = "7"
    & skf18("6","8","2","7","3","3","1") = "7"
    & skf18("6","8","2","7","3","4","1") = "7"
    & skf18("6","8","2","7","3","5","1") = "7"
    & skf18("6","8","2","7","3","6","1") = "7"
    & skf18("6","8","2","7","3","7","1") = "7"
    & skf18("6","8","2","7","3","8","1") = "7"
    & skf18("6","8","2","7","3","9","1") = "8"
    & skf18("6","8","2","7","3","10","1") = "9"
    & skf18("6","8","2","7","4","1","1") = "7"
    & skf18("6","8","2","7","4","2","1") = "7"
    & skf18("6","8","2","7","4","3","1") = "7"
    & skf18("6","8","2","7","4","4","1") = "7"
    & skf18("6","8","2","7","4","5","1") = "7"
    & skf18("6","8","2","7","4","6","1") = "7"
    & skf18("6","8","2","7","4","7","1") = "7"
    & skf18("6","8","2","7","4","8","1") = "7"
    & skf18("6","8","2","7","4","9","1") = "8"
    & skf18("6","8","2","7","4","10","1") = "9"
    & skf18("6","8","2","7","5","1","1") = "7"
    & skf18("6","8","2","7","5","2","1") = "7"
    & skf18("6","8","2","7","5","3","1") = "7"
    & skf18("6","8","2","7","5","4","1") = "7"
    & skf18("6","8","2","7","5","5","1") = "7"
    & skf18("6","8","2","7","5","6","1") = "7"
    & skf18("6","8","2","7","5","7","1") = "7"
    & skf18("6","8","2","7","5","8","1") = "7"
    & skf18("6","8","2","7","5","9","1") = "8"
    & skf18("6","8","2","7","5","10","1") = "9"
    & skf18("6","8","2","7","6","1","1") = "7"
    & skf18("6","8","2","7","6","2","1") = "7"
    & skf18("6","8","2","7","6","3","1") = "7"
    & skf18("6","8","2","7","6","4","1") = "7"
    & skf18("6","8","2","7","6","5","1") = "7"
    & skf18("6","8","2","7","6","6","1") = "7"
    & skf18("6","8","2","7","6","7","1") = "7"
    & skf18("6","8","2","7","6","8","1") = "7"
    & skf18("6","8","2","7","6","9","1") = "8"
    & skf18("6","8","2","7","6","10","1") = "9"
    & skf18("6","8","2","7","7","1","1") = "7"
    & skf18("6","8","2","7","7","2","1") = "7"
    & skf18("6","8","2","7","7","3","1") = "7"
    & skf18("6","8","2","7","7","4","1") = "7"
    & skf18("6","8","2","7","7","5","1") = "7"
    & skf18("6","8","2","7","7","6","1") = "7"
    & skf18("6","8","2","7","7","7","1") = "7"
    & skf18("6","8","2","7","7","8","1") = "7"
    & skf18("6","8","2","7","7","9","1") = "8"
    & skf18("6","8","2","7","7","10","1") = "9"
    & skf18("6","8","2","7","8","1","1") = "7"
    & skf18("6","8","2","7","8","2","1") = "7"
    & skf18("6","8","2","7","8","3","1") = "7"
    & skf18("6","8","2","7","8","4","1") = "7"
    & skf18("6","8","2","7","8","5","1") = "7"
    & skf18("6","8","2","7","8","6","1") = "7"
    & skf18("6","8","2","7","8","7","1") = "7"
    & skf18("6","8","2","7","8","8","1") = "7"
    & skf18("6","8","2","7","8","9","1") = "8"
    & skf18("6","8","2","7","8","10","1") = "9"
    & skf18("6","8","2","7","9","1","1") = "8"
    & skf18("6","8","2","7","9","2","1") = "8"
    & skf18("6","8","2","7","9","3","1") = "8"
    & skf18("6","8","2","7","9","4","1") = "8"
    & skf18("6","8","2","7","9","5","1") = "8"
    & skf18("6","8","2","7","9","6","1") = "8"
    & skf18("6","8","2","7","9","7","1") = "8"
    & skf18("6","8","2","7","9","8","1") = "8"
    & skf18("6","8","2","7","9","9","1") = "8"
    & skf18("6","8","2","7","9","10","1") = "9"
    & skf18("6","8","2","7","10","1","1") = "9"
    & skf18("6","8","2","7","10","2","1") = "9"
    & skf18("6","8","2","7","10","3","1") = "9"
    & skf18("6","8","2","7","10","4","1") = "9"
    & skf18("6","8","2","7","10","5","1") = "9"
    & skf18("6","8","2","7","10","6","1") = "9"
    & skf18("6","8","2","7","10","7","1") = "9"
    & skf18("6","8","2","7","10","8","1") = "9"
    & skf18("6","8","2","7","10","9","1") = "9"
    & skf18("6","8","2","7","10","10","1") = "9"
    & skf18("6","8","2","8","1","1","1") = "7"
    & skf18("6","8","2","8","1","2","1") = "7"
    & skf18("6","8","2","8","1","3","1") = "7"
    & skf18("6","8","2","8","1","4","1") = "7"
    & skf18("6","8","2","8","1","5","1") = "7"
    & skf18("6","8","2","8","1","6","1") = "7"
    & skf18("6","8","2","8","1","7","1") = "7"
    & skf18("6","8","2","8","1","8","1") = "7"
    & skf18("6","8","2","8","1","9","1") = "8"
    & skf18("6","8","2","8","1","10","1") = "9"
    & skf18("6","8","2","8","2","1","1") = "7"
    & skf18("6","8","2","8","2","2","1") = "7"
    & skf18("6","8","2","8","2","3","1") = "7"
    & skf18("6","8","2","8","2","4","1") = "7"
    & skf18("6","8","2","8","2","5","1") = "7"
    & skf18("6","8","2","8","2","6","1") = "7"
    & skf18("6","8","2","8","2","7","1") = "7"
    & skf18("6","8","2","8","2","8","1") = "7"
    & skf18("6","8","2","8","2","9","1") = "8"
    & skf18("6","8","2","8","2","10","1") = "9"
    & skf18("6","8","2","8","3","1","1") = "7"
    & skf18("6","8","2","8","3","2","1") = "7"
    & skf18("6","8","2","8","3","3","1") = "7"
    & skf18("6","8","2","8","3","4","1") = "7"
    & skf18("6","8","2","8","3","5","1") = "7"
    & skf18("6","8","2","8","3","6","1") = "7"
    & skf18("6","8","2","8","3","7","1") = "7"
    & skf18("6","8","2","8","3","8","1") = "7"
    & skf18("6","8","2","8","3","9","1") = "8"
    & skf18("6","8","2","8","3","10","1") = "9"
    & skf18("6","8","2","8","4","1","1") = "7"
    & skf18("6","8","2","8","4","2","1") = "7"
    & skf18("6","8","2","8","4","3","1") = "7"
    & skf18("6","8","2","8","4","4","1") = "7"
    & skf18("6","8","2","8","4","5","1") = "7"
    & skf18("6","8","2","8","4","6","1") = "7"
    & skf18("6","8","2","8","4","7","1") = "7"
    & skf18("6","8","2","8","4","8","1") = "7"
    & skf18("6","8","2","8","4","9","1") = "8"
    & skf18("6","8","2","8","4","10","1") = "9"
    & skf18("6","8","2","8","5","1","1") = "7"
    & skf18("6","8","2","8","5","2","1") = "7"
    & skf18("6","8","2","8","5","3","1") = "7"
    & skf18("6","8","2","8","5","4","1") = "7"
    & skf18("6","8","2","8","5","5","1") = "7"
    & skf18("6","8","2","8","5","6","1") = "7"
    & skf18("6","8","2","8","5","7","1") = "7"
    & skf18("6","8","2","8","5","8","1") = "7"
    & skf18("6","8","2","8","5","9","1") = "8"
    & skf18("6","8","2","8","5","10","1") = "9"
    & skf18("6","8","2","8","6","1","1") = "7"
    & skf18("6","8","2","8","6","2","1") = "7"
    & skf18("6","8","2","8","6","3","1") = "7"
    & skf18("6","8","2","8","6","4","1") = "7"
    & skf18("6","8","2","8","6","5","1") = "7"
    & skf18("6","8","2","8","6","6","1") = "7"
    & skf18("6","8","2","8","6","7","1") = "7"
    & skf18("6","8","2","8","6","8","1") = "7"
    & skf18("6","8","2","8","6","9","1") = "8"
    & skf18("6","8","2","8","6","10","1") = "9"
    & skf18("6","8","2","8","7","1","1") = "7"
    & skf18("6","8","2","8","7","2","1") = "7"
    & skf18("6","8","2","8","7","3","1") = "7"
    & skf18("6","8","2","8","7","4","1") = "7"
    & skf18("6","8","2","8","7","5","1") = "7"
    & skf18("6","8","2","8","7","6","1") = "7"
    & skf18("6","8","2","8","7","7","1") = "7"
    & skf18("6","8","2","8","7","8","1") = "7"
    & skf18("6","8","2","8","7","9","1") = "8"
    & skf18("6","8","2","8","7","10","1") = "9"
    & skf18("6","8","2","8","8","1","1") = "7"
    & skf18("6","8","2","8","8","2","1") = "7"
    & skf18("6","8","2","8","8","3","1") = "7"
    & skf18("6","8","2","8","8","4","1") = "7"
    & skf18("6","8","2","8","8","5","1") = "7"
    & skf18("6","8","2","8","8","6","1") = "7"
    & skf18("6","8","2","8","8","7","1") = "7"
    & skf18("6","8","2","8","8","8","1") = "7"
    & skf18("6","8","2","8","8","9","1") = "8"
    & skf18("6","8","2","8","8","10","1") = "9"
    & skf18("6","8","2","8","9","1","1") = "8"
    & skf18("6","8","2","8","9","2","1") = "8"
    & skf18("6","8","2","8","9","3","1") = "8"
    & skf18("6","8","2","8","9","4","1") = "8"
    & skf18("6","8","2","8","9","5","1") = "8"
    & skf18("6","8","2","8","9","6","1") = "8"
    & skf18("6","8","2","8","9","7","1") = "8"
    & skf18("6","8","2","8","9","8","1") = "8"
    & skf18("6","8","2","8","9","9","1") = "8"
    & skf18("6","8","2","8","9","10","1") = "9"
    & skf18("6","8","2","8","10","1","1") = "9"
    & skf18("6","8","2","8","10","2","1") = "9"
    & skf18("6","8","2","8","10","3","1") = "9"
    & skf18("6","8","2","8","10","4","1") = "9"
    & skf18("6","8","2","8","10","5","1") = "9"
    & skf18("6","8","2","8","10","6","1") = "9"
    & skf18("6","8","2","8","10","7","1") = "9"
    & skf18("6","8","2","8","10","8","1") = "9"
    & skf18("6","8","2","8","10","9","1") = "9"
    & skf18("6","8","2","8","10","10","1") = "9"
    & skf18("6","8","2","9","1","1","1") = "8"
    & skf18("6","8","2","9","1","2","1") = "8"
    & skf18("6","8","2","9","1","3","1") = "8"
    & skf18("6","8","2","9","1","4","1") = "8"
    & skf18("6","8","2","9","1","5","1") = "8"
    & skf18("6","8","2","9","1","6","1") = "8"
    & skf18("6","8","2","9","1","7","1") = "8"
    & skf18("6","8","2","9","1","8","1") = "8"
    & skf18("6","8","2","9","1","9","1") = "8"
    & skf18("6","8","2","9","1","10","1") = "9"
    & skf18("6","8","2","9","2","1","1") = "8"
    & skf18("6","8","2","9","2","2","1") = "8"
    & skf18("6","8","2","9","2","3","1") = "8"
    & skf18("6","8","2","9","2","4","1") = "8"
    & skf18("6","8","2","9","2","5","1") = "8"
    & skf18("6","8","2","9","2","6","1") = "8"
    & skf18("6","8","2","9","2","7","1") = "8"
    & skf18("6","8","2","9","2","8","1") = "8"
    & skf18("6","8","2","9","2","9","1") = "8"
    & skf18("6","8","2","9","2","10","1") = "9"
    & skf18("6","8","2","9","3","1","1") = "8"
    & skf18("6","8","2","9","3","2","1") = "8"
    & skf18("6","8","2","9","3","3","1") = "8"
    & skf18("6","8","2","9","3","4","1") = "8"
    & skf18("6","8","2","9","3","5","1") = "8"
    & skf18("6","8","2","9","3","6","1") = "8"
    & skf18("6","8","2","9","3","7","1") = "8"
    & skf18("6","8","2","9","3","8","1") = "8"
    & skf18("6","8","2","9","3","9","1") = "8"
    & skf18("6","8","2","9","3","10","1") = "9"
    & skf18("6","8","2","9","4","1","1") = "8"
    & skf18("6","8","2","9","4","2","1") = "8"
    & skf18("6","8","2","9","4","3","1") = "8"
    & skf18("6","8","2","9","4","4","1") = "8"
    & skf18("6","8","2","9","4","5","1") = "8"
    & skf18("6","8","2","9","4","6","1") = "8"
    & skf18("6","8","2","9","4","7","1") = "8"
    & skf18("6","8","2","9","4","8","1") = "8"
    & skf18("6","8","2","9","4","9","1") = "8"
    & skf18("6","8","2","9","4","10","1") = "9"
    & skf18("6","8","2","9","5","1","1") = "8"
    & skf18("6","8","2","9","5","2","1") = "8"
    & skf18("6","8","2","9","5","3","1") = "8"
    & skf18("6","8","2","9","5","4","1") = "8"
    & skf18("6","8","2","9","5","5","1") = "8"
    & skf18("6","8","2","9","5","6","1") = "8"
    & skf18("6","8","2","9","5","7","1") = "8"
    & skf18("6","8","2","9","5","8","1") = "8"
    & skf18("6","8","2","9","5","9","1") = "8"
    & skf18("6","8","2","9","5","10","1") = "9"
    & skf18("6","8","2","9","6","1","1") = "8"
    & skf18("6","8","2","9","6","2","1") = "8"
    & skf18("6","8","2","9","6","3","1") = "8"
    & skf18("6","8","2","9","6","4","1") = "8"
    & skf18("6","8","2","9","6","5","1") = "8"
    & skf18("6","8","2","9","6","6","1") = "8"
    & skf18("6","8","2","9","6","7","1") = "8"
    & skf18("6","8","2","9","6","8","1") = "8"
    & skf18("6","8","2","9","6","9","1") = "8"
    & skf18("6","8","2","9","6","10","1") = "9"
    & skf18("6","8","2","9","7","1","1") = "8"
    & skf18("6","8","2","9","7","2","1") = "8"
    & skf18("6","8","2","9","7","3","1") = "8"
    & skf18("6","8","2","9","7","4","1") = "8"
    & skf18("6","8","2","9","7","5","1") = "8"
    & skf18("6","8","2","9","7","6","1") = "8"
    & skf18("6","8","2","9","7","7","1") = "8"
    & skf18("6","8","2","9","7","8","1") = "8"
    & skf18("6","8","2","9","7","9","1") = "8"
    & skf18("6","8","2","9","7","10","1") = "9"
    & skf18("6","8","2","9","8","1","1") = "8"
    & skf18("6","8","2","9","8","2","1") = "8"
    & skf18("6","8","2","9","8","3","1") = "8"
    & skf18("6","8","2","9","8","4","1") = "8"
    & skf18("6","8","2","9","8","5","1") = "8"
    & skf18("6","8","2","9","8","6","1") = "8"
    & skf18("6","8","2","9","8","7","1") = "8"
    & skf18("6","8","2","9","8","8","1") = "8"
    & skf18("6","8","2","9","8","9","1") = "8"
    & skf18("6","8","2","9","8","10","1") = "9"
    & skf18("6","8","2","9","9","1","1") = "8"
    & skf18("6","8","2","9","9","2","1") = "8"
    & skf18("6","8","2","9","9","3","1") = "8"
    & skf18("6","8","2","9","9","4","1") = "8"
    & skf18("6","8","2","9","9","5","1") = "8"
    & skf18("6","8","2","9","9","6","1") = "8"
    & skf18("6","8","2","9","9","7","1") = "8"
    & skf18("6","8","2","9","9","8","1") = "8"
    & skf18("6","8","2","9","9","9","1") = "8"
    & skf18("6","8","2","9","9","10","1") = "9"
    & skf18("6","8","2","9","10","1","1") = "9"
    & skf18("6","8","2","9","10","2","1") = "9"
    & skf18("6","8","2","9","10","3","1") = "9"
    & skf18("6","8","2","9","10","4","1") = "9"
    & skf18("6","8","2","9","10","5","1") = "9"
    & skf18("6","8","2","9","10","6","1") = "9"
    & skf18("6","8","2","9","10","7","1") = "9"
    & skf18("6","8","2","9","10","8","1") = "9"
    & skf18("6","8","2","9","10","9","1") = "9"
    & skf18("6","8","2","9","10","10","1") = "9"
    & skf18("6","8","2","10","1","1","1") = "9"
    & skf18("6","8","2","10","1","2","1") = "9"
    & skf18("6","8","2","10","1","3","1") = "9"
    & skf18("6","8","2","10","1","4","1") = "9"
    & skf18("6","8","2","10","1","5","1") = "9"
    & skf18("6","8","2","10","1","6","1") = "9"
    & skf18("6","8","2","10","1","7","1") = "9"
    & skf18("6","8","2","10","1","8","1") = "9"
    & skf18("6","8","2","10","1","9","1") = "9"
    & skf18("6","8","2","10","1","10","1") = "9"
    & skf18("6","8","2","10","2","1","1") = "9"
    & skf18("6","8","2","10","2","2","1") = "9"
    & skf18("6","8","2","10","2","3","1") = "9"
    & skf18("6","8","2","10","2","4","1") = "9"
    & skf18("6","8","2","10","2","5","1") = "9"
    & skf18("6","8","2","10","2","6","1") = "9"
    & skf18("6","8","2","10","2","7","1") = "9"
    & skf18("6","8","2","10","2","8","1") = "9"
    & skf18("6","8","2","10","2","9","1") = "9"
    & skf18("6","8","2","10","2","10","1") = "9"
    & skf18("6","8","2","10","3","1","1") = "9"
    & skf18("6","8","2","10","3","2","1") = "9"
    & skf18("6","8","2","10","3","3","1") = "9"
    & skf18("6","8","2","10","3","4","1") = "9"
    & skf18("6","8","2","10","3","5","1") = "9"
    & skf18("6","8","2","10","3","6","1") = "9"
    & skf18("6","8","2","10","3","7","1") = "9"
    & skf18("6","8","2","10","3","8","1") = "9"
    & skf18("6","8","2","10","3","9","1") = "9"
    & skf18("6","8","2","10","3","10","1") = "9"
    & skf18("6","8","2","10","4","1","1") = "9"
    & skf18("6","8","2","10","4","2","1") = "9"
    & skf18("6","8","2","10","4","3","1") = "9"
    & skf18("6","8","2","10","4","4","1") = "9"
    & skf18("6","8","2","10","4","5","1") = "9"
    & skf18("6","8","2","10","4","6","1") = "9"
    & skf18("6","8","2","10","4","7","1") = "9"
    & skf18("6","8","2","10","4","8","1") = "9"
    & skf18("6","8","2","10","4","9","1") = "9"
    & skf18("6","8","2","10","4","10","1") = "9"
    & skf18("6","8","2","10","5","1","1") = "9"
    & skf18("6","8","2","10","5","2","1") = "9"
    & skf18("6","8","2","10","5","3","1") = "9"
    & skf18("6","8","2","10","5","4","1") = "9"
    & skf18("6","8","2","10","5","5","1") = "9"
    & skf18("6","8","2","10","5","6","1") = "9"
    & skf18("6","8","2","10","5","7","1") = "9"
    & skf18("6","8","2","10","5","8","1") = "9"
    & skf18("6","8","2","10","5","9","1") = "9"
    & skf18("6","8","2","10","5","10","1") = "9"
    & skf18("6","8","2","10","6","1","1") = "9"
    & skf18("6","8","2","10","6","2","1") = "9"
    & skf18("6","8","2","10","6","3","1") = "9"
    & skf18("6","8","2","10","6","4","1") = "9"
    & skf18("6","8","2","10","6","5","1") = "9"
    & skf18("6","8","2","10","6","6","1") = "9"
    & skf18("6","8","2","10","6","7","1") = "9"
    & skf18("6","8","2","10","6","8","1") = "9"
    & skf18("6","8","2","10","6","9","1") = "9"
    & skf18("6","8","2","10","6","10","1") = "9"
    & skf18("6","8","2","10","7","1","1") = "9"
    & skf18("6","8","2","10","7","2","1") = "9"
    & skf18("6","8","2","10","7","3","1") = "9"
    & skf18("6","8","2","10","7","4","1") = "9"
    & skf18("6","8","2","10","7","5","1") = "9"
    & skf18("6","8","2","10","7","6","1") = "9"
    & skf18("6","8","2","10","7","7","1") = "9"
    & skf18("6","8","2","10","7","8","1") = "9"
    & skf18("6","8","2","10","7","9","1") = "9"
    & skf18("6","8","2","10","7","10","1") = "9"
    & skf18("6","8","2","10","8","1","1") = "9"
    & skf18("6","8","2","10","8","2","1") = "9"
    & skf18("6","8","2","10","8","3","1") = "9"
    & skf18("6","8","2","10","8","4","1") = "9"
    & skf18("6","8","2","10","8","5","1") = "9"
    & skf18("6","8","2","10","8","6","1") = "9"
    & skf18("6","8","2","10","8","7","1") = "9"
    & skf18("6","8","2","10","8","8","1") = "9"
    & skf18("6","8","2","10","8","9","1") = "9"
    & skf18("6","8","2","10","8","10","1") = "9"
    & skf18("6","8","2","10","9","1","1") = "9"
    & skf18("6","8","2","10","9","2","1") = "9"
    & skf18("6","8","2","10","9","3","1") = "9"
    & skf18("6","8","2","10","9","4","1") = "9"
    & skf18("6","8","2","10","9","5","1") = "9"
    & skf18("6","8","2","10","9","6","1") = "9"
    & skf18("6","8","2","10","9","7","1") = "9"
    & skf18("6","8","2","10","9","8","1") = "9"
    & skf18("6","8","2","10","9","9","1") = "9"
    & skf18("6","8","2","10","9","10","1") = "9"
    & skf18("6","8","2","10","10","1","1") = "9"
    & skf18("6","8","2","10","10","2","1") = "9"
    & skf18("6","8","2","10","10","3","1") = "9"
    & skf18("6","8","2","10","10","4","1") = "9"
    & skf18("6","8","2","10","10","5","1") = "9"
    & skf18("6","8","2","10","10","6","1") = "9"
    & skf18("6","8","2","10","10","7","1") = "9"
    & skf18("6","8","2","10","10","8","1") = "9"
    & skf18("6","8","2","10","10","9","1") = "9"
    & skf18("6","8","2","10","10","10","1") = "9"
    & skf18("6","8","3","1","1","1","1") = "7"
    & skf18("6","8","3","1","1","2","1") = "7"
    & skf18("6","8","3","1","1","3","1") = "7"
    & skf18("6","8","3","1","1","4","1") = "7"
    & skf18("6","8","3","1","1","5","1") = "7"
    & skf18("6","8","3","1","1","6","1") = "7"
    & skf18("6","8","3","1","1","7","1") = "7"
    & skf18("6","8","3","1","1","8","1") = "7"
    & skf18("6","8","3","1","1","9","1") = "8"
    & skf18("6","8","3","1","1","10","1") = "9"
    & skf18("6","8","3","1","2","1","1") = "7"
    & skf18("6","8","3","1","2","2","1") = "7"
    & skf18("6","8","3","1","2","3","1") = "7"
    & skf18("6","8","3","1","2","4","1") = "7"
    & skf18("6","8","3","1","2","5","1") = "7"
    & skf18("6","8","3","1","2","6","1") = "7"
    & skf18("6","8","3","1","2","7","1") = "7"
    & skf18("6","8","3","1","2","8","1") = "7"
    & skf18("6","8","3","1","2","9","1") = "8"
    & skf18("6","8","3","1","2","10","1") = "9"
    & skf18("6","8","3","1","3","1","1") = "7"
    & skf18("6","8","3","1","3","2","1") = "7"
    & skf18("6","8","3","1","3","3","1") = "7"
    & skf18("6","8","3","1","3","4","1") = "7"
    & skf18("6","8","3","1","3","5","1") = "7"
    & skf18("6","8","3","1","3","6","1") = "7"
    & skf18("6","8","3","1","3","7","1") = "7"
    & skf18("6","8","3","1","3","8","1") = "7"
    & skf18("6","8","3","1","3","9","1") = "8"
    & skf18("6","8","3","1","3","10","1") = "9"
    & skf18("6","8","3","1","4","1","1") = "7"
    & skf18("6","8","3","1","4","2","1") = "7"
    & skf18("6","8","3","1","4","3","1") = "7"
    & skf18("6","8","3","1","4","4","1") = "7"
    & skf18("6","8","3","1","4","5","1") = "7"
    & skf18("6","8","3","1","4","6","1") = "7"
    & skf18("6","8","3","1","4","7","1") = "7"
    & skf18("6","8","3","1","4","8","1") = "7"
    & skf18("6","8","3","1","4","9","1") = "8"
    & skf18("6","8","3","1","4","10","1") = "9"
    & skf18("6","8","3","1","5","1","1") = "7"
    & skf18("6","8","3","1","5","2","1") = "7"
    & skf18("6","8","3","1","5","3","1") = "7"
    & skf18("6","8","3","1","5","4","1") = "7"
    & skf18("6","8","3","1","5","5","1") = "7"
    & skf18("6","8","3","1","5","6","1") = "7"
    & skf18("6","8","3","1","5","7","1") = "7"
    & skf18("6","8","3","1","5","8","1") = "7"
    & skf18("6","8","3","1","5","9","1") = "8"
    & skf18("6","8","3","1","5","10","1") = "9"
    & skf18("6","8","3","1","6","1","1") = "7"
    & skf18("6","8","3","1","6","2","1") = "7"
    & skf18("6","8","3","1","6","3","1") = "7"
    & skf18("6","8","3","1","6","4","1") = "7"
    & skf18("6","8","3","1","6","5","1") = "7"
    & skf18("6","8","3","1","6","6","1") = "7"
    & skf18("6","8","3","1","6","7","1") = "7"
    & skf18("6","8","3","1","6","8","1") = "7"
    & skf18("6","8","3","1","6","9","1") = "8"
    & skf18("6","8","3","1","6","10","1") = "9"
    & skf18("6","8","3","1","7","1","1") = "7"
    & skf18("6","8","3","1","7","2","1") = "7"
    & skf18("6","8","3","1","7","3","1") = "7"
    & skf18("6","8","3","1","7","4","1") = "7"
    & skf18("6","8","3","1","7","5","1") = "7"
    & skf18("6","8","3","1","7","6","1") = "7"
    & skf18("6","8","3","1","7","7","1") = "7"
    & skf18("6","8","3","1","7","8","1") = "7"
    & skf18("6","8","3","1","7","9","1") = "8"
    & skf18("6","8","3","1","7","10","1") = "9"
    & skf18("6","8","3","1","8","1","1") = "7"
    & skf18("6","8","3","1","8","2","1") = "7"
    & skf18("6","8","3","1","8","3","1") = "7"
    & skf18("6","8","3","1","8","4","1") = "7"
    & skf18("6","8","3","1","8","5","1") = "7"
    & skf18("6","8","3","1","8","6","1") = "7"
    & skf18("6","8","3","1","8","7","1") = "7"
    & skf18("6","8","3","1","8","8","1") = "7"
    & skf18("6","8","3","1","8","9","1") = "8"
    & skf18("6","8","3","1","8","10","1") = "9"
    & skf18("6","8","3","1","9","1","1") = "8"
    & skf18("6","8","3","1","9","2","1") = "8"
    & skf18("6","8","3","1","9","3","1") = "8"
    & skf18("6","8","3","1","9","4","1") = "8"
    & skf18("6","8","3","1","9","5","1") = "8"
    & skf18("6","8","3","1","9","6","1") = "8"
    & skf18("6","8","3","1","9","7","1") = "8"
    & skf18("6","8","3","1","9","8","1") = "8"
    & skf18("6","8","3","1","9","9","1") = "8"
    & skf18("6","8","3","1","9","10","1") = "9"
    & skf18("6","8","3","1","10","1","1") = "9"
    & skf18("6","8","3","1","10","2","1") = "9"
    & skf18("6","8","3","1","10","3","1") = "9"
    & skf18("6","8","3","1","10","4","1") = "9"
    & skf18("6","8","3","1","10","5","1") = "9"
    & skf18("6","8","3","1","10","6","1") = "9"
    & skf18("6","8","3","1","10","7","1") = "9"
    & skf18("6","8","3","1","10","8","1") = "9"
    & skf18("6","8","3","1","10","9","1") = "9"
    & skf18("6","8","3","1","10","10","1") = "9"
    & skf18("6","8","3","2","1","1","1") = "7"
    & skf18("6","8","3","2","1","2","1") = "7"
    & skf18("6","8","3","2","1","3","1") = "7"
    & skf18("6","8","3","2","1","4","1") = "7"
    & skf18("6","8","3","2","1","5","1") = "7"
    & skf18("6","8","3","2","1","6","1") = "7"
    & skf18("6","8","3","2","1","7","1") = "7"
    & skf18("6","8","3","2","1","8","1") = "7"
    & skf18("6","8","3","2","1","9","1") = "8"
    & skf18("6","8","3","2","1","10","1") = "9"
    & skf18("6","8","3","2","2","1","1") = "7"
    & skf18("6","8","3","2","2","2","1") = "7"
    & skf18("6","8","3","2","2","3","1") = "7"
    & skf18("6","8","3","2","2","4","1") = "7"
    & skf18("6","8","3","2","2","5","1") = "7"
    & skf18("6","8","3","2","2","6","1") = "7"
    & skf18("6","8","3","2","2","7","1") = "7"
    & skf18("6","8","3","2","2","8","1") = "7"
    & skf18("6","8","3","2","2","9","1") = "8"
    & skf18("6","8","3","2","2","10","1") = "9"
    & skf18("6","8","3","2","3","1","1") = "7"
    & skf18("6","8","3","2","3","2","1") = "7"
    & skf18("6","8","3","2","3","3","1") = "7"
    & skf18("6","8","3","2","3","4","1") = "7"
    & skf18("6","8","3","2","3","5","1") = "7"
    & skf18("6","8","3","2","3","6","1") = "7"
    & skf18("6","8","3","2","3","7","1") = "7"
    & skf18("6","8","3","2","3","8","1") = "7"
    & skf18("6","8","3","2","3","9","1") = "8"
    & skf18("6","8","3","2","3","10","1") = "9"
    & skf18("6","8","3","2","4","1","1") = "7"
    & skf18("6","8","3","2","4","2","1") = "7"
    & skf18("6","8","3","2","4","3","1") = "7"
    & skf18("6","8","3","2","4","4","1") = "7"
    & skf18("6","8","3","2","4","5","1") = "7"
    & skf18("6","8","3","2","4","6","1") = "7"
    & skf18("6","8","3","2","4","7","1") = "7"
    & skf18("6","8","3","2","4","8","1") = "7"
    & skf18("6","8","3","2","4","9","1") = "8"
    & skf18("6","8","3","2","4","10","1") = "9"
    & skf18("6","8","3","2","5","1","1") = "7"
    & skf18("6","8","3","2","5","2","1") = "7"
    & skf18("6","8","3","2","5","3","1") = "7"
    & skf18("6","8","3","2","5","4","1") = "7"
    & skf18("6","8","3","2","5","5","1") = "7"
    & skf18("6","8","3","2","5","6","1") = "7"
    & skf18("6","8","3","2","5","7","1") = "7"
    & skf18("6","8","3","2","5","8","1") = "7"
    & skf18("6","8","3","2","5","9","1") = "8"
    & skf18("6","8","3","2","5","10","1") = "9"
    & skf18("6","8","3","2","6","1","1") = "7"
    & skf18("6","8","3","2","6","2","1") = "7"
    & skf18("6","8","3","2","6","3","1") = "7"
    & skf18("6","8","3","2","6","4","1") = "7"
    & skf18("6","8","3","2","6","5","1") = "7"
    & skf18("6","8","3","2","6","6","1") = "7"
    & skf18("6","8","3","2","6","7","1") = "7"
    & skf18("6","8","3","2","6","8","1") = "7"
    & skf18("6","8","3","2","6","9","1") = "8"
    & skf18("6","8","3","2","6","10","1") = "9"
    & skf18("6","8","3","2","7","1","1") = "7"
    & skf18("6","8","3","2","7","2","1") = "7"
    & skf18("6","8","3","2","7","3","1") = "7"
    & skf18("6","8","3","2","7","4","1") = "7"
    & skf18("6","8","3","2","7","5","1") = "7"
    & skf18("6","8","3","2","7","6","1") = "7"
    & skf18("6","8","3","2","7","7","1") = "7"
    & skf18("6","8","3","2","7","8","1") = "7"
    & skf18("6","8","3","2","7","9","1") = "8"
    & skf18("6","8","3","2","7","10","1") = "9"
    & skf18("6","8","3","2","8","1","1") = "7"
    & skf18("6","8","3","2","8","2","1") = "7"
    & skf18("6","8","3","2","8","3","1") = "7"
    & skf18("6","8","3","2","8","4","1") = "7"
    & skf18("6","8","3","2","8","5","1") = "7"
    & skf18("6","8","3","2","8","6","1") = "7"
    & skf18("6","8","3","2","8","7","1") = "7"
    & skf18("6","8","3","2","8","8","1") = "7"
    & skf18("6","8","3","2","8","9","1") = "8"
    & skf18("6","8","3","2","8","10","1") = "9"
    & skf18("6","8","3","2","9","1","1") = "8"
    & skf18("6","8","3","2","9","2","1") = "8"
    & skf18("6","8","3","2","9","3","1") = "8"
    & skf18("6","8","3","2","9","4","1") = "8"
    & skf18("6","8","3","2","9","5","1") = "8"
    & skf18("6","8","3","2","9","6","1") = "8"
    & skf18("6","8","3","2","9","7","1") = "8"
    & skf18("6","8","3","2","9","8","1") = "8"
    & skf18("6","8","3","2","9","9","1") = "8"
    & skf18("6","8","3","2","9","10","1") = "9"
    & skf18("6","8","3","2","10","1","1") = "9"
    & skf18("6","8","3","2","10","2","1") = "9"
    & skf18("6","8","3","2","10","3","1") = "9"
    & skf18("6","8","3","2","10","4","1") = "9"
    & skf18("6","8","3","2","10","5","1") = "9"
    & skf18("6","8","3","2","10","6","1") = "9"
    & skf18("6","8","3","2","10","7","1") = "9"
    & skf18("6","8","3","2","10","8","1") = "9"
    & skf18("6","8","3","2","10","9","1") = "9"
    & skf18("6","8","3","2","10","10","1") = "9"
    & skf18("6","8","3","3","1","1","1") = "7"
    & skf18("6","8","3","3","1","2","1") = "7"
    & skf18("6","8","3","3","1","3","1") = "7"
    & skf18("6","8","3","3","1","4","1") = "7"
    & skf18("6","8","3","3","1","5","1") = "7"
    & skf18("6","8","3","3","1","6","1") = "7"
    & skf18("6","8","3","3","1","7","1") = "7"
    & skf18("6","8","3","3","1","8","1") = "7"
    & skf18("6","8","3","3","1","9","1") = "8"
    & skf18("6","8","3","3","1","10","1") = "9"
    & skf18("6","8","3","3","2","1","1") = "7"
    & skf18("6","8","3","3","2","2","1") = "7"
    & skf18("6","8","3","3","2","3","1") = "7"
    & skf18("6","8","3","3","2","4","1") = "7"
    & skf18("6","8","3","3","2","5","1") = "7"
    & skf18("6","8","3","3","2","6","1") = "7"
    & skf18("6","8","3","3","2","7","1") = "7"
    & skf18("6","8","3","3","2","8","1") = "7"
    & skf18("6","8","3","3","2","9","1") = "8"
    & skf18("6","8","3","3","2","10","1") = "9"
    & skf18("6","8","3","3","3","1","1") = "7"
    & skf18("6","8","3","3","3","2","1") = "7"
    & skf18("6","8","3","3","3","3","1") = "7"
    & skf18("6","8","3","3","3","4","1") = "7"
    & skf18("6","8","3","3","3","5","1") = "7"
    & skf18("6","8","3","3","3","6","1") = "7"
    & skf18("6","8","3","3","3","7","1") = "7"
    & skf18("6","8","3","3","3","8","1") = "7"
    & skf18("6","8","3","3","3","9","1") = "8"
    & skf18("6","8","3","3","3","10","1") = "9"
    & skf18("6","8","3","3","4","1","1") = "7"
    & skf18("6","8","3","3","4","2","1") = "7"
    & skf18("6","8","3","3","4","3","1") = "7"
    & skf18("6","8","3","3","4","4","1") = "7"
    & skf18("6","8","3","3","4","5","1") = "7"
    & skf18("6","8","3","3","4","6","1") = "7"
    & skf18("6","8","3","3","4","7","1") = "7"
    & skf18("6","8","3","3","4","8","1") = "7"
    & skf18("6","8","3","3","4","9","1") = "8"
    & skf18("6","8","3","3","4","10","1") = "9"
    & skf18("6","8","3","3","5","1","1") = "7"
    & skf18("6","8","3","3","5","2","1") = "7"
    & skf18("6","8","3","3","5","3","1") = "7"
    & skf18("6","8","3","3","5","4","1") = "7"
    & skf18("6","8","3","3","5","5","1") = "7"
    & skf18("6","8","3","3","5","6","1") = "7"
    & skf18("6","8","3","3","5","7","1") = "7"
    & skf18("6","8","3","3","5","8","1") = "7"
    & skf18("6","8","3","3","5","9","1") = "8"
    & skf18("6","8","3","3","5","10","1") = "9"
    & skf18("6","8","3","3","6","1","1") = "7"
    & skf18("6","8","3","3","6","2","1") = "7"
    & skf18("6","8","3","3","6","3","1") = "7"
    & skf18("6","8","3","3","6","4","1") = "7"
    & skf18("6","8","3","3","6","5","1") = "7"
    & skf18("6","8","3","3","6","6","1") = "7"
    & skf18("6","8","3","3","6","7","1") = "7"
    & skf18("6","8","3","3","6","8","1") = "7"
    & skf18("6","8","3","3","6","9","1") = "8"
    & skf18("6","8","3","3","6","10","1") = "9"
    & skf18("6","8","3","3","7","1","1") = "7"
    & skf18("6","8","3","3","7","2","1") = "7"
    & skf18("6","8","3","3","7","3","1") = "7"
    & skf18("6","8","3","3","7","4","1") = "7"
    & skf18("6","8","3","3","7","5","1") = "7"
    & skf18("6","8","3","3","7","6","1") = "7"
    & skf18("6","8","3","3","7","7","1") = "7"
    & skf18("6","8","3","3","7","8","1") = "7"
    & skf18("6","8","3","3","7","9","1") = "8"
    & skf18("6","8","3","3","7","10","1") = "9"
    & skf18("6","8","3","3","8","1","1") = "7"
    & skf18("6","8","3","3","8","2","1") = "7"
    & skf18("6","8","3","3","8","3","1") = "7"
    & skf18("6","8","3","3","8","4","1") = "7"
    & skf18("6","8","3","3","8","5","1") = "7"
    & skf18("6","8","3","3","8","6","1") = "7"
    & skf18("6","8","3","3","8","7","1") = "7"
    & skf18("6","8","3","3","8","8","1") = "7"
    & skf18("6","8","3","3","8","9","1") = "8"
    & skf18("6","8","3","3","8","10","1") = "9"
    & skf18("6","8","3","3","9","1","1") = "8"
    & skf18("6","8","3","3","9","2","1") = "8"
    & skf18("6","8","3","3","9","3","1") = "8"
    & skf18("6","8","3","3","9","4","1") = "8"
    & skf18("6","8","3","3","9","5","1") = "8"
    & skf18("6","8","3","3","9","6","1") = "8"
    & skf18("6","8","3","3","9","7","1") = "8"
    & skf18("6","8","3","3","9","8","1") = "8"
    & skf18("6","8","3","3","9","9","1") = "8"
    & skf18("6","8","3","3","9","10","1") = "9"
    & skf18("6","8","3","3","10","1","1") = "9"
    & skf18("6","8","3","3","10","2","1") = "9"
    & skf18("6","8","3","3","10","3","1") = "9"
    & skf18("6","8","3","3","10","4","1") = "9"
    & skf18("6","8","3","3","10","5","1") = "9"
    & skf18("6","8","3","3","10","6","1") = "9"
    & skf18("6","8","3","3","10","7","1") = "9"
    & skf18("6","8","3","3","10","8","1") = "9"
    & skf18("6","8","3","3","10","9","1") = "9"
    & skf18("6","8","3","3","10","10","1") = "9"
    & skf18("6","8","3","4","1","1","1") = "7"
    & skf18("6","8","3","4","1","2","1") = "7"
    & skf18("6","8","3","4","1","3","1") = "7"
    & skf18("6","8","3","4","1","4","1") = "7"
    & skf18("6","8","3","4","1","5","1") = "7"
    & skf18("6","8","3","4","1","6","1") = "7"
    & skf18("6","8","3","4","1","7","1") = "7"
    & skf18("6","8","3","4","1","8","1") = "7"
    & skf18("6","8","3","4","1","9","1") = "8"
    & skf18("6","8","3","4","1","10","1") = "9"
    & skf18("6","8","3","4","2","1","1") = "7"
    & skf18("6","8","3","4","2","2","1") = "7"
    & skf18("6","8","3","4","2","3","1") = "7"
    & skf18("6","8","3","4","2","4","1") = "7"
    & skf18("6","8","3","4","2","5","1") = "7"
    & skf18("6","8","3","4","2","6","1") = "7"
    & skf18("6","8","3","4","2","7","1") = "7"
    & skf18("6","8","3","4","2","8","1") = "7"
    & skf18("6","8","3","4","2","9","1") = "8"
    & skf18("6","8","3","4","2","10","1") = "9"
    & skf18("6","8","3","4","3","1","1") = "7"
    & skf18("6","8","3","4","3","2","1") = "7"
    & skf18("6","8","3","4","3","3","1") = "7"
    & skf18("6","8","3","4","3","4","1") = "7"
    & skf18("6","8","3","4","3","5","1") = "7"
    & skf18("6","8","3","4","3","6","1") = "7"
    & skf18("6","8","3","4","3","7","1") = "7"
    & skf18("6","8","3","4","3","8","1") = "7"
    & skf18("6","8","3","4","3","9","1") = "8"
    & skf18("6","8","3","4","3","10","1") = "9"
    & skf18("6","8","3","4","4","1","1") = "7"
    & skf18("6","8","3","4","4","2","1") = "7"
    & skf18("6","8","3","4","4","3","1") = "7"
    & skf18("6","8","3","4","4","4","1") = "7"
    & skf18("6","8","3","4","4","5","1") = "7"
    & skf18("6","8","3","4","4","6","1") = "7"
    & skf18("6","8","3","4","4","7","1") = "7"
    & skf18("6","8","3","4","4","8","1") = "7"
    & skf18("6","8","3","4","4","9","1") = "8"
    & skf18("6","8","3","4","4","10","1") = "9"
    & skf18("6","8","3","4","5","1","1") = "7"
    & skf18("6","8","3","4","5","2","1") = "7"
    & skf18("6","8","3","4","5","3","1") = "7"
    & skf18("6","8","3","4","5","4","1") = "7"
    & skf18("6","8","3","4","5","5","1") = "7"
    & skf18("6","8","3","4","5","6","1") = "7"
    & skf18("6","8","3","4","5","7","1") = "7"
    & skf18("6","8","3","4","5","8","1") = "7"
    & skf18("6","8","3","4","5","9","1") = "8"
    & skf18("6","8","3","4","5","10","1") = "9"
    & skf18("6","8","3","4","6","1","1") = "7"
    & skf18("6","8","3","4","6","2","1") = "7"
    & skf18("6","8","3","4","6","3","1") = "7"
    & skf18("6","8","3","4","6","4","1") = "7"
    & skf18("6","8","3","4","6","5","1") = "7"
    & skf18("6","8","3","4","6","6","1") = "7"
    & skf18("6","8","3","4","6","7","1") = "7"
    & skf18("6","8","3","4","6","8","1") = "7"
    & skf18("6","8","3","4","6","9","1") = "8"
    & skf18("6","8","3","4","6","10","1") = "9"
    & skf18("6","8","3","4","7","1","1") = "7"
    & skf18("6","8","3","4","7","2","1") = "7"
    & skf18("6","8","3","4","7","3","1") = "7"
    & skf18("6","8","3","4","7","4","1") = "7"
    & skf18("6","8","3","4","7","5","1") = "7"
    & skf18("6","8","3","4","7","6","1") = "7"
    & skf18("6","8","3","4","7","7","1") = "7"
    & skf18("6","8","3","4","7","8","1") = "7"
    & skf18("6","8","3","4","7","9","1") = "8"
    & skf18("6","8","3","4","7","10","1") = "9"
    & skf18("6","8","3","4","8","1","1") = "7"
    & skf18("6","8","3","4","8","2","1") = "7"
    & skf18("6","8","3","4","8","3","1") = "7"
    & skf18("6","8","3","4","8","4","1") = "7"
    & skf18("6","8","3","4","8","5","1") = "7"
    & skf18("6","8","3","4","8","6","1") = "7"
    & skf18("6","8","3","4","8","7","1") = "7"
    & skf18("6","8","3","4","8","8","1") = "7"
    & skf18("6","8","3","4","8","9","1") = "8"
    & skf18("6","8","3","4","8","10","1") = "9"
    & skf18("6","8","3","4","9","1","1") = "8"
    & skf18("6","8","3","4","9","2","1") = "8"
    & skf18("6","8","3","4","9","3","1") = "8"
    & skf18("6","8","3","4","9","4","1") = "8"
    & skf18("6","8","3","4","9","5","1") = "8"
    & skf18("6","8","3","4","9","6","1") = "8"
    & skf18("6","8","3","4","9","7","1") = "8"
    & skf18("6","8","3","4","9","8","1") = "8"
    & skf18("6","8","3","4","9","9","1") = "8"
    & skf18("6","8","3","4","9","10","1") = "9"
    & skf18("6","8","3","4","10","1","1") = "9"
    & skf18("6","8","3","4","10","2","1") = "9"
    & skf18("6","8","3","4","10","3","1") = "9"
    & skf18("6","8","3","4","10","4","1") = "9"
    & skf18("6","8","3","4","10","5","1") = "9"
    & skf18("6","8","3","4","10","6","1") = "9"
    & skf18("6","8","3","4","10","7","1") = "9"
    & skf18("6","8","3","4","10","8","1") = "9"
    & skf18("6","8","3","4","10","9","1") = "9"
    & skf18("6","8","3","4","10","10","1") = "9"
    & skf18("6","8","3","5","1","1","1") = "7"
    & skf18("6","8","3","5","1","2","1") = "7"
    & skf18("6","8","3","5","1","3","1") = "7"
    & skf18("6","8","3","5","1","4","1") = "7"
    & skf18("6","8","3","5","1","5","1") = "7"
    & skf18("6","8","3","5","1","6","1") = "7"
    & skf18("6","8","3","5","1","7","1") = "7"
    & skf18("6","8","3","5","1","8","1") = "7"
    & skf18("6","8","3","5","1","9","1") = "8"
    & skf18("6","8","3","5","1","10","1") = "9"
    & skf18("6","8","3","5","2","1","1") = "7"
    & skf18("6","8","3","5","2","2","1") = "7"
    & skf18("6","8","3","5","2","3","1") = "7"
    & skf18("6","8","3","5","2","4","1") = "7"
    & skf18("6","8","3","5","2","5","1") = "7"
    & skf18("6","8","3","5","2","6","1") = "7"
    & skf18("6","8","3","5","2","7","1") = "7"
    & skf18("6","8","3","5","2","8","1") = "7"
    & skf18("6","8","3","5","2","9","1") = "8"
    & skf18("6","8","3","5","2","10","1") = "9"
    & skf18("6","8","3","5","3","1","1") = "7"
    & skf18("6","8","3","5","3","2","1") = "7"
    & skf18("6","8","3","5","3","3","1") = "7"
    & skf18("6","8","3","5","3","4","1") = "7"
    & skf18("6","8","3","5","3","5","1") = "7"
    & skf18("6","8","3","5","3","6","1") = "7"
    & skf18("6","8","3","5","3","7","1") = "7"
    & skf18("6","8","3","5","3","8","1") = "7"
    & skf18("6","8","3","5","3","9","1") = "8"
    & skf18("6","8","3","5","3","10","1") = "9"
    & skf18("6","8","3","5","4","1","1") = "7"
    & skf18("6","8","3","5","4","2","1") = "7"
    & skf18("6","8","3","5","4","3","1") = "7"
    & skf18("6","8","3","5","4","4","1") = "7"
    & skf18("6","8","3","5","4","5","1") = "7"
    & skf18("6","8","3","5","4","6","1") = "7"
    & skf18("6","8","3","5","4","7","1") = "7"
    & skf18("6","8","3","5","4","8","1") = "7"
    & skf18("6","8","3","5","4","9","1") = "8"
    & skf18("6","8","3","5","4","10","1") = "9"
    & skf18("6","8","3","5","5","1","1") = "7"
    & skf18("6","8","3","5","5","2","1") = "7"
    & skf18("6","8","3","5","5","3","1") = "7"
    & skf18("6","8","3","5","5","4","1") = "7"
    & skf18("6","8","3","5","5","5","1") = "7"
    & skf18("6","8","3","5","5","6","1") = "7"
    & skf18("6","8","3","5","5","7","1") = "7"
    & skf18("6","8","3","5","5","8","1") = "7"
    & skf18("6","8","3","5","5","9","1") = "8"
    & skf18("6","8","3","5","5","10","1") = "9"
    & skf18("6","8","3","5","6","1","1") = "7"
    & skf18("6","8","3","5","6","2","1") = "7"
    & skf18("6","8","3","5","6","3","1") = "7"
    & skf18("6","8","3","5","6","4","1") = "7"
    & skf18("6","8","3","5","6","5","1") = "7"
    & skf18("6","8","3","5","6","6","1") = "7"
    & skf18("6","8","3","5","6","7","1") = "7"
    & skf18("6","8","3","5","6","8","1") = "7"
    & skf18("6","8","3","5","6","9","1") = "8"
    & skf18("6","8","3","5","6","10","1") = "9"
    & skf18("6","8","3","5","7","1","1") = "7"
    & skf18("6","8","3","5","7","2","1") = "7"
    & skf18("6","8","3","5","7","3","1") = "7"
    & skf18("6","8","3","5","7","4","1") = "7"
    & skf18("6","8","3","5","7","5","1") = "7"
    & skf18("6","8","3","5","7","6","1") = "7"
    & skf18("6","8","3","5","7","7","1") = "7"
    & skf18("6","8","3","5","7","8","1") = "7"
    & skf18("6","8","3","5","7","9","1") = "8"
    & skf18("6","8","3","5","7","10","1") = "9"
    & skf18("6","8","3","5","8","1","1") = "7"
    & skf18("6","8","3","5","8","2","1") = "7"
    & skf18("6","8","3","5","8","3","1") = "7"
    & skf18("6","8","3","5","8","4","1") = "7"
    & skf18("6","8","3","5","8","5","1") = "7"
    & skf18("6","8","3","5","8","6","1") = "7"
    & skf18("6","8","3","5","8","7","1") = "7"
    & skf18("6","8","3","5","8","8","1") = "7"
    & skf18("6","8","3","5","8","9","1") = "8"
    & skf18("6","8","3","5","8","10","1") = "9"
    & skf18("6","8","3","5","9","1","1") = "8"
    & skf18("6","8","3","5","9","2","1") = "8"
    & skf18("6","8","3","5","9","3","1") = "8"
    & skf18("6","8","3","5","9","4","1") = "8"
    & skf18("6","8","3","5","9","5","1") = "8"
    & skf18("6","8","3","5","9","6","1") = "8"
    & skf18("6","8","3","5","9","7","1") = "8"
    & skf18("6","8","3","5","9","8","1") = "8"
    & skf18("6","8","3","5","9","9","1") = "8"
    & skf18("6","8","3","5","9","10","1") = "9"
    & skf18("6","8","3","5","10","1","1") = "9"
    & skf18("6","8","3","5","10","2","1") = "9"
    & skf18("6","8","3","5","10","3","1") = "9"
    & skf18("6","8","3","5","10","4","1") = "9"
    & skf18("6","8","3","5","10","5","1") = "9"
    & skf18("6","8","3","5","10","6","1") = "9"
    & skf18("6","8","3","5","10","7","1") = "9"
    & skf18("6","8","3","5","10","8","1") = "9"
    & skf18("6","8","3","5","10","9","1") = "9"
    & skf18("6","8","3","5","10","10","1") = "9"
    & skf18("6","8","3","6","1","1","1") = "7"
    & skf18("6","8","3","6","1","2","1") = "7"
    & skf18("6","8","3","6","1","3","1") = "7"
    & skf18("6","8","3","6","1","4","1") = "7"
    & skf18("6","8","3","6","1","5","1") = "7"
    & skf18("6","8","3","6","1","6","1") = "7"
    & skf18("6","8","3","6","1","7","1") = "7"
    & skf18("6","8","3","6","1","8","1") = "7"
    & skf18("6","8","3","6","1","9","1") = "8"
    & skf18("6","8","3","6","1","10","1") = "9"
    & skf18("6","8","3","6","2","1","1") = "7"
    & skf18("6","8","3","6","2","2","1") = "7"
    & skf18("6","8","3","6","2","3","1") = "7"
    & skf18("6","8","3","6","2","4","1") = "7"
    & skf18("6","8","3","6","2","5","1") = "7"
    & skf18("6","8","3","6","2","6","1") = "7"
    & skf18("6","8","3","6","2","7","1") = "7"
    & skf18("6","8","3","6","2","8","1") = "7"
    & skf18("6","8","3","6","2","9","1") = "8"
    & skf18("6","8","3","6","2","10","1") = "9"
    & skf18("6","8","3","6","3","1","1") = "7"
    & skf18("6","8","3","6","3","2","1") = "7"
    & skf18("6","8","3","6","3","3","1") = "7"
    & skf18("6","8","3","6","3","4","1") = "7"
    & skf18("6","8","3","6","3","5","1") = "7"
    & skf18("6","8","3","6","3","6","1") = "7"
    & skf18("6","8","3","6","3","7","1") = "7"
    & skf18("6","8","3","6","3","8","1") = "7"
    & skf18("6","8","3","6","3","9","1") = "8"
    & skf18("6","8","3","6","3","10","1") = "9"
    & skf18("6","8","3","6","4","1","1") = "7"
    & skf18("6","8","3","6","4","2","1") = "7"
    & skf18("6","8","3","6","4","3","1") = "7"
    & skf18("6","8","3","6","4","4","1") = "7"
    & skf18("6","8","3","6","4","5","1") = "7"
    & skf18("6","8","3","6","4","6","1") = "7"
    & skf18("6","8","3","6","4","7","1") = "7"
    & skf18("6","8","3","6","4","8","1") = "7"
    & skf18("6","8","3","6","4","9","1") = "8"
    & skf18("6","8","3","6","4","10","1") = "9"
    & skf18("6","8","3","6","5","1","1") = "7"
    & skf18("6","8","3","6","5","2","1") = "7"
    & skf18("6","8","3","6","5","3","1") = "7"
    & skf18("6","8","3","6","5","4","1") = "7"
    & skf18("6","8","3","6","5","5","1") = "7"
    & skf18("6","8","3","6","5","6","1") = "7"
    & skf18("6","8","3","6","5","7","1") = "7"
    & skf18("6","8","3","6","5","8","1") = "7"
    & skf18("6","8","3","6","5","9","1") = "8"
    & skf18("6","8","3","6","5","10","1") = "9"
    & skf18("6","8","3","6","6","1","1") = "7"
    & skf18("6","8","3","6","6","2","1") = "7"
    & skf18("6","8","3","6","6","3","1") = "7"
    & skf18("6","8","3","6","6","4","1") = "7"
    & skf18("6","8","3","6","6","5","1") = "7"
    & skf18("6","8","3","6","6","6","1") = "7"
    & skf18("6","8","3","6","6","7","1") = "7"
    & skf18("6","8","3","6","6","8","1") = "7"
    & skf18("6","8","3","6","6","9","1") = "8"
    & skf18("6","8","3","6","6","10","1") = "9"
    & skf18("6","8","3","6","7","1","1") = "7"
    & skf18("6","8","3","6","7","2","1") = "7"
    & skf18("6","8","3","6","7","3","1") = "7"
    & skf18("6","8","3","6","7","4","1") = "7"
    & skf18("6","8","3","6","7","5","1") = "7"
    & skf18("6","8","3","6","7","6","1") = "7"
    & skf18("6","8","3","6","7","7","1") = "7"
    & skf18("6","8","3","6","7","8","1") = "7"
    & skf18("6","8","3","6","7","9","1") = "8"
    & skf18("6","8","3","6","7","10","1") = "9"
    & skf18("6","8","3","6","8","1","1") = "7"
    & skf18("6","8","3","6","8","2","1") = "7"
    & skf18("6","8","3","6","8","3","1") = "7"
    & skf18("6","8","3","6","8","4","1") = "7"
    & skf18("6","8","3","6","8","5","1") = "7"
    & skf18("6","8","3","6","8","6","1") = "7"
    & skf18("6","8","3","6","8","7","1") = "7"
    & skf18("6","8","3","6","8","8","1") = "7"
    & skf18("6","8","3","6","8","9","1") = "8"
    & skf18("6","8","3","6","8","10","1") = "9"
    & skf18("6","8","3","6","9","1","1") = "8"
    & skf18("6","8","3","6","9","2","1") = "8"
    & skf18("6","8","3","6","9","3","1") = "8"
    & skf18("6","8","3","6","9","4","1") = "8"
    & skf18("6","8","3","6","9","5","1") = "8"
    & skf18("6","8","3","6","9","6","1") = "8"
    & skf18("6","8","3","6","9","7","1") = "8"
    & skf18("6","8","3","6","9","8","1") = "8"
    & skf18("6","8","3","6","9","9","1") = "8"
    & skf18("6","8","3","6","9","10","1") = "9"
    & skf18("6","8","3","6","10","1","1") = "9"
    & skf18("6","8","3","6","10","2","1") = "9"
    & skf18("6","8","3","6","10","3","1") = "9"
    & skf18("6","8","3","6","10","4","1") = "9"
    & skf18("6","8","3","6","10","5","1") = "9"
    & skf18("6","8","3","6","10","6","1") = "9"
    & skf18("6","8","3","6","10","7","1") = "9"
    & skf18("6","8","3","6","10","8","1") = "9"
    & skf18("6","8","3","6","10","9","1") = "9"
    & skf18("6","8","3","6","10","10","1") = "9"
    & skf18("6","8","3","7","1","1","1") = "7"
    & skf18("6","8","3","7","1","2","1") = "7"
    & skf18("6","8","3","7","1","3","1") = "7"
    & skf18("6","8","3","7","1","4","1") = "7"
    & skf18("6","8","3","7","1","5","1") = "7"
    & skf18("6","8","3","7","1","6","1") = "7"
    & skf18("6","8","3","7","1","7","1") = "7"
    & skf18("6","8","3","7","1","8","1") = "7"
    & skf18("6","8","3","7","1","9","1") = "8"
    & skf18("6","8","3","7","1","10","1") = "9"
    & skf18("6","8","3","7","2","1","1") = "7"
    & skf18("6","8","3","7","2","2","1") = "7"
    & skf18("6","8","3","7","2","3","1") = "7"
    & skf18("6","8","3","7","2","4","1") = "7"
    & skf18("6","8","3","7","2","5","1") = "7"
    & skf18("6","8","3","7","2","6","1") = "7"
    & skf18("6","8","3","7","2","7","1") = "7"
    & skf18("6","8","3","7","2","8","1") = "7"
    & skf18("6","8","3","7","2","9","1") = "8"
    & skf18("6","8","3","7","2","10","1") = "9"
    & skf18("6","8","3","7","3","1","1") = "7"
    & skf18("6","8","3","7","3","2","1") = "7"
    & skf18("6","8","3","7","3","3","1") = "7"
    & skf18("6","8","3","7","3","4","1") = "7"
    & skf18("6","8","3","7","3","5","1") = "7"
    & skf18("6","8","3","7","3","6","1") = "7"
    & skf18("6","8","3","7","3","7","1") = "7"
    & skf18("6","8","3","7","3","8","1") = "7"
    & skf18("6","8","3","7","3","9","1") = "8"
    & skf18("6","8","3","7","3","10","1") = "9"
    & skf18("6","8","3","7","4","1","1") = "7"
    & skf18("6","8","3","7","4","2","1") = "7"
    & skf18("6","8","3","7","4","3","1") = "7"
    & skf18("6","8","3","7","4","4","1") = "7"
    & skf18("6","8","3","7","4","5","1") = "7"
    & skf18("6","8","3","7","4","6","1") = "7"
    & skf18("6","8","3","7","4","7","1") = "7"
    & skf18("6","8","3","7","4","8","1") = "7"
    & skf18("6","8","3","7","4","9","1") = "8"
    & skf18("6","8","3","7","4","10","1") = "9"
    & skf18("6","8","3","7","5","1","1") = "7"
    & skf18("6","8","3","7","5","2","1") = "7"
    & skf18("6","8","3","7","5","3","1") = "7"
    & skf18("6","8","3","7","5","4","1") = "7"
    & skf18("6","8","3","7","5","5","1") = "7"
    & skf18("6","8","3","7","5","6","1") = "7"
    & skf18("6","8","3","7","5","7","1") = "7"
    & skf18("6","8","3","7","5","8","1") = "7"
    & skf18("6","8","3","7","5","9","1") = "8"
    & skf18("6","8","3","7","5","10","1") = "9"
    & skf18("6","8","3","7","6","1","1") = "7"
    & skf18("6","8","3","7","6","2","1") = "7"
    & skf18("6","8","3","7","6","3","1") = "7"
    & skf18("6","8","3","7","6","4","1") = "7"
    & skf18("6","8","3","7","6","5","1") = "7"
    & skf18("6","8","3","7","6","6","1") = "7"
    & skf18("6","8","3","7","6","7","1") = "7"
    & skf18("6","8","3","7","6","8","1") = "7"
    & skf18("6","8","3","7","6","9","1") = "8"
    & skf18("6","8","3","7","6","10","1") = "9"
    & skf18("6","8","3","7","7","1","1") = "7"
    & skf18("6","8","3","7","7","2","1") = "7"
    & skf18("6","8","3","7","7","3","1") = "7"
    & skf18("6","8","3","7","7","4","1") = "7"
    & skf18("6","8","3","7","7","5","1") = "7"
    & skf18("6","8","3","7","7","6","1") = "7"
    & skf18("6","8","3","7","7","7","1") = "7"
    & skf18("6","8","3","7","7","8","1") = "7"
    & skf18("6","8","3","7","7","9","1") = "8"
    & skf18("6","8","3","7","7","10","1") = "9"
    & skf18("6","8","3","7","8","1","1") = "7"
    & skf18("6","8","3","7","8","2","1") = "7"
    & skf18("6","8","3","7","8","3","1") = "7"
    & skf18("6","8","3","7","8","4","1") = "7"
    & skf18("6","8","3","7","8","5","1") = "7"
    & skf18("6","8","3","7","8","6","1") = "7"
    & skf18("6","8","3","7","8","7","1") = "7"
    & skf18("6","8","3","7","8","8","1") = "7"
    & skf18("6","8","3","7","8","9","1") = "8"
    & skf18("6","8","3","7","8","10","1") = "9"
    & skf18("6","8","3","7","9","1","1") = "8"
    & skf18("6","8","3","7","9","2","1") = "8"
    & skf18("6","8","3","7","9","3","1") = "8"
    & skf18("6","8","3","7","9","4","1") = "8"
    & skf18("6","8","3","7","9","5","1") = "8"
    & skf18("6","8","3","7","9","6","1") = "8"
    & skf18("6","8","3","7","9","7","1") = "8"
    & skf18("6","8","3","7","9","8","1") = "8"
    & skf18("6","8","3","7","9","9","1") = "8"
    & skf18("6","8","3","7","9","10","1") = "9"
    & skf18("6","8","3","7","10","1","1") = "9"
    & skf18("6","8","3","7","10","2","1") = "9"
    & skf18("6","8","3","7","10","3","1") = "9"
    & skf18("6","8","3","7","10","4","1") = "9"
    & skf18("6","8","3","7","10","5","1") = "9"
    & skf18("6","8","3","7","10","6","1") = "9"
    & skf18("6","8","3","7","10","7","1") = "9"
    & skf18("6","8","3","7","10","8","1") = "9"
    & skf18("6","8","3","7","10","9","1") = "9"
    & skf18("6","8","3","7","10","10","1") = "9"
    & skf18("6","8","3","8","1","1","1") = "7"
    & skf18("6","8","3","8","1","2","1") = "7"
    & skf18("6","8","3","8","1","3","1") = "7"
    & skf18("6","8","3","8","1","4","1") = "7"
    & skf18("6","8","3","8","1","5","1") = "7"
    & skf18("6","8","3","8","1","6","1") = "7"
    & skf18("6","8","3","8","1","7","1") = "7"
    & skf18("6","8","3","8","1","8","1") = "7"
    & skf18("6","8","3","8","1","9","1") = "8"
    & skf18("6","8","3","8","1","10","1") = "9"
    & skf18("6","8","3","8","2","1","1") = "7"
    & skf18("6","8","3","8","2","2","1") = "7"
    & skf18("6","8","3","8","2","3","1") = "7"
    & skf18("6","8","3","8","2","4","1") = "7"
    & skf18("6","8","3","8","2","5","1") = "7"
    & skf18("6","8","3","8","2","6","1") = "7"
    & skf18("6","8","3","8","2","7","1") = "7"
    & skf18("6","8","3","8","2","8","1") = "7"
    & skf18("6","8","3","8","2","9","1") = "8"
    & skf18("6","8","3","8","2","10","1") = "9"
    & skf18("6","8","3","8","3","1","1") = "7"
    & skf18("6","8","3","8","3","2","1") = "7"
    & skf18("6","8","3","8","3","3","1") = "7"
    & skf18("6","8","3","8","3","4","1") = "7"
    & skf18("6","8","3","8","3","5","1") = "7"
    & skf18("6","8","3","8","3","6","1") = "7"
    & skf18("6","8","3","8","3","7","1") = "7"
    & skf18("6","8","3","8","3","8","1") = "7"
    & skf18("6","8","3","8","3","9","1") = "8"
    & skf18("6","8","3","8","3","10","1") = "9"
    & skf18("6","8","3","8","4","1","1") = "7"
    & skf18("6","8","3","8","4","2","1") = "7"
    & skf18("6","8","3","8","4","3","1") = "7"
    & skf18("6","8","3","8","4","4","1") = "7"
    & skf18("6","8","3","8","4","5","1") = "7"
    & skf18("6","8","3","8","4","6","1") = "7"
    & skf18("6","8","3","8","4","7","1") = "7"
    & skf18("6","8","3","8","4","8","1") = "7"
    & skf18("6","8","3","8","4","9","1") = "8"
    & skf18("6","8","3","8","4","10","1") = "9"
    & skf18("6","8","3","8","5","1","1") = "7"
    & skf18("6","8","3","8","5","2","1") = "7"
    & skf18("6","8","3","8","5","3","1") = "7"
    & skf18("6","8","3","8","5","4","1") = "7"
    & skf18("6","8","3","8","5","5","1") = "7"
    & skf18("6","8","3","8","5","6","1") = "7"
    & skf18("6","8","3","8","5","7","1") = "7"
    & skf18("6","8","3","8","5","8","1") = "7"
    & skf18("6","8","3","8","5","9","1") = "8"
    & skf18("6","8","3","8","5","10","1") = "9"
    & skf18("6","8","3","8","6","1","1") = "7"
    & skf18("6","8","3","8","6","2","1") = "7"
    & skf18("6","8","3","8","6","3","1") = "7"
    & skf18("6","8","3","8","6","4","1") = "7"
    & skf18("6","8","3","8","6","5","1") = "7"
    & skf18("6","8","3","8","6","6","1") = "7"
    & skf18("6","8","3","8","6","7","1") = "7"
    & skf18("6","8","3","8","6","8","1") = "7"
    & skf18("6","8","3","8","6","9","1") = "8"
    & skf18("6","8","3","8","6","10","1") = "9"
    & skf18("6","8","3","8","7","1","1") = "7"
    & skf18("6","8","3","8","7","2","1") = "7"
    & skf18("6","8","3","8","7","3","1") = "7"
    & skf18("6","8","3","8","7","4","1") = "7"
    & skf18("6","8","3","8","7","5","1") = "7"
    & skf18("6","8","3","8","7","6","1") = "7"
    & skf18("6","8","3","8","7","7","1") = "7"
    & skf18("6","8","3","8","7","8","1") = "7"
    & skf18("6","8","3","8","7","9","1") = "8"
    & skf18("6","8","3","8","7","10","1") = "9"
    & skf18("6","8","3","8","8","1","1") = "7"
    & skf18("6","8","3","8","8","2","1") = "7"
    & skf18("6","8","3","8","8","3","1") = "7"
    & skf18("6","8","3","8","8","4","1") = "7"
    & skf18("6","8","3","8","8","5","1") = "7"
    & skf18("6","8","3","8","8","6","1") = "7"
    & skf18("6","8","3","8","8","7","1") = "7"
    & skf18("6","8","3","8","8","8","1") = "7"
    & skf18("6","8","3","8","8","9","1") = "8"
    & skf18("6","8","3","8","8","10","1") = "9"
    & skf18("6","8","3","8","9","1","1") = "8"
    & skf18("6","8","3","8","9","2","1") = "8"
    & skf18("6","8","3","8","9","3","1") = "8"
    & skf18("6","8","3","8","9","4","1") = "8"
    & skf18("6","8","3","8","9","5","1") = "8"
    & skf18("6","8","3","8","9","6","1") = "8"
    & skf18("6","8","3","8","9","7","1") = "8"
    & skf18("6","8","3","8","9","8","1") = "8"
    & skf18("6","8","3","8","9","9","1") = "8"
    & skf18("6","8","3","8","9","10","1") = "9"
    & skf18("6","8","3","8","10","1","1") = "9"
    & skf18("6","8","3","8","10","2","1") = "9"
    & skf18("6","8","3","8","10","3","1") = "9"
    & skf18("6","8","3","8","10","4","1") = "9"
    & skf18("6","8","3","8","10","5","1") = "9"
    & skf18("6","8","3","8","10","6","1") = "9"
    & skf18("6","8","3","8","10","7","1") = "9"
    & skf18("6","8","3","8","10","8","1") = "9"
    & skf18("6","8","3","8","10","9","1") = "9"
    & skf18("6","8","3","8","10","10","1") = "9"
    & skf18("6","8","3","9","1","1","1") = "8"
    & skf18("6","8","3","9","1","2","1") = "8"
    & skf18("6","8","3","9","1","3","1") = "8"
    & skf18("6","8","3","9","1","4","1") = "8"
    & skf18("6","8","3","9","1","5","1") = "8"
    & skf18("6","8","3","9","1","6","1") = "8"
    & skf18("6","8","3","9","1","7","1") = "8"
    & skf18("6","8","3","9","1","8","1") = "8"
    & skf18("6","8","3","9","1","9","1") = "8"
    & skf18("6","8","3","9","1","10","1") = "9"
    & skf18("6","8","3","9","2","1","1") = "8"
    & skf18("6","8","3","9","2","2","1") = "8"
    & skf18("6","8","3","9","2","3","1") = "8"
    & skf18("6","8","3","9","2","4","1") = "8"
    & skf18("6","8","3","9","2","5","1") = "8"
    & skf18("6","8","3","9","2","6","1") = "8"
    & skf18("6","8","3","9","2","7","1") = "8"
    & skf18("6","8","3","9","2","8","1") = "8"
    & skf18("6","8","3","9","2","9","1") = "8"
    & skf18("6","8","3","9","2","10","1") = "9"
    & skf18("6","8","3","9","3","1","1") = "8"
    & skf18("6","8","3","9","3","2","1") = "8"
    & skf18("6","8","3","9","3","3","1") = "8"
    & skf18("6","8","3","9","3","4","1") = "8"
    & skf18("6","8","3","9","3","5","1") = "8"
    & skf18("6","8","3","9","3","6","1") = "8"
    & skf18("6","8","3","9","3","7","1") = "8"
    & skf18("6","8","3","9","3","8","1") = "8"
    & skf18("6","8","3","9","3","9","1") = "8"
    & skf18("6","8","3","9","3","10","1") = "9"
    & skf18("6","8","3","9","4","1","1") = "8"
    & skf18("6","8","3","9","4","2","1") = "8"
    & skf18("6","8","3","9","4","3","1") = "8"
    & skf18("6","8","3","9","4","4","1") = "8"
    & skf18("6","8","3","9","4","5","1") = "8"
    & skf18("6","8","3","9","4","6","1") = "8"
    & skf18("6","8","3","9","4","7","1") = "8"
    & skf18("6","8","3","9","4","8","1") = "8"
    & skf18("6","8","3","9","4","9","1") = "8"
    & skf18("6","8","3","9","4","10","1") = "9"
    & skf18("6","8","3","9","5","1","1") = "8"
    & skf18("6","8","3","9","5","2","1") = "8"
    & skf18("6","8","3","9","5","3","1") = "8"
    & skf18("6","8","3","9","5","4","1") = "8"
    & skf18("6","8","3","9","5","5","1") = "8"
    & skf18("6","8","3","9","5","6","1") = "8"
    & skf18("6","8","3","9","5","7","1") = "8"
    & skf18("6","8","3","9","5","8","1") = "8"
    & skf18("6","8","3","9","5","9","1") = "8"
    & skf18("6","8","3","9","5","10","1") = "9"
    & skf18("6","8","3","9","6","1","1") = "8"
    & skf18("6","8","3","9","6","2","1") = "8"
    & skf18("6","8","3","9","6","3","1") = "8"
    & skf18("6","8","3","9","6","4","1") = "8"
    & skf18("6","8","3","9","6","5","1") = "8"
    & skf18("6","8","3","9","6","6","1") = "8"
    & skf18("6","8","3","9","6","7","1") = "8"
    & skf18("6","8","3","9","6","8","1") = "8"
    & skf18("6","8","3","9","6","9","1") = "8"
    & skf18("6","8","3","9","6","10","1") = "9"
    & skf18("6","8","3","9","7","1","1") = "8"
    & skf18("6","8","3","9","7","2","1") = "8"
    & skf18("6","8","3","9","7","3","1") = "8"
    & skf18("6","8","3","9","7","4","1") = "8"
    & skf18("6","8","3","9","7","5","1") = "8"
    & skf18("6","8","3","9","7","6","1") = "8"
    & skf18("6","8","3","9","7","7","1") = "8"
    & skf18("6","8","3","9","7","8","1") = "8"
    & skf18("6","8","3","9","7","9","1") = "8"
    & skf18("6","8","3","9","7","10","1") = "9"
    & skf18("6","8","3","9","8","1","1") = "8"
    & skf18("6","8","3","9","8","2","1") = "8"
    & skf18("6","8","3","9","8","3","1") = "8"
    & skf18("6","8","3","9","8","4","1") = "8"
    & skf18("6","8","3","9","8","5","1") = "8"
    & skf18("6","8","3","9","8","6","1") = "8"
    & skf18("6","8","3","9","8","7","1") = "8"
    & skf18("6","8","3","9","8","8","1") = "8"
    & skf18("6","8","3","9","8","9","1") = "8"
    & skf18("6","8","3","9","8","10","1") = "9"
    & skf18("6","8","3","9","9","1","1") = "8"
    & skf18("6","8","3","9","9","2","1") = "8"
    & skf18("6","8","3","9","9","3","1") = "8"
    & skf18("6","8","3","9","9","4","1") = "8"
    & skf18("6","8","3","9","9","5","1") = "8"
    & skf18("6","8","3","9","9","6","1") = "8"
    & skf18("6","8","3","9","9","7","1") = "8"
    & skf18("6","8","3","9","9","8","1") = "8"
    & skf18("6","8","3","9","9","9","1") = "8"
    & skf18("6","8","3","9","9","10","1") = "9"
    & skf18("6","8","3","9","10","1","1") = "9"
    & skf18("6","8","3","9","10","2","1") = "9"
    & skf18("6","8","3","9","10","3","1") = "9"
    & skf18("6","8","3","9","10","4","1") = "9"
    & skf18("6","8","3","9","10","5","1") = "9"
    & skf18("6","8","3","9","10","6","1") = "9"
    & skf18("6","8","3","9","10","7","1") = "9"
    & skf18("6","8","3","9","10","8","1") = "9"
    & skf18("6","8","3","9","10","9","1") = "9"
    & skf18("6","8","3","9","10","10","1") = "9"
    & skf18("6","8","3","10","1","1","1") = "9"
    & skf18("6","8","3","10","1","2","1") = "9"
    & skf18("6","8","3","10","1","3","1") = "9"
    & skf18("6","8","3","10","1","4","1") = "9"
    & skf18("6","8","3","10","1","5","1") = "9"
    & skf18("6","8","3","10","1","6","1") = "9"
    & skf18("6","8","3","10","1","7","1") = "9"
    & skf18("6","8","3","10","1","8","1") = "9"
    & skf18("6","8","3","10","1","9","1") = "9"
    & skf18("6","8","3","10","1","10","1") = "9"
    & skf18("6","8","3","10","2","1","1") = "9"
    & skf18("6","8","3","10","2","2","1") = "9"
    & skf18("6","8","3","10","2","3","1") = "9"
    & skf18("6","8","3","10","2","4","1") = "9"
    & skf18("6","8","3","10","2","5","1") = "9"
    & skf18("6","8","3","10","2","6","1") = "9"
    & skf18("6","8","3","10","2","7","1") = "9"
    & skf18("6","8","3","10","2","8","1") = "9"
    & skf18("6","8","3","10","2","9","1") = "9"
    & skf18("6","8","3","10","2","10","1") = "9"
    & skf18("6","8","3","10","3","1","1") = "9"
    & skf18("6","8","3","10","3","2","1") = "9"
    & skf18("6","8","3","10","3","3","1") = "9"
    & skf18("6","8","3","10","3","4","1") = "9"
    & skf18("6","8","3","10","3","5","1") = "9"
    & skf18("6","8","3","10","3","6","1") = "9"
    & skf18("6","8","3","10","3","7","1") = "9"
    & skf18("6","8","3","10","3","8","1") = "9"
    & skf18("6","8","3","10","3","9","1") = "9"
    & skf18("6","8","3","10","3","10","1") = "9"
    & skf18("6","8","3","10","4","1","1") = "9"
    & skf18("6","8","3","10","4","2","1") = "9"
    & skf18("6","8","3","10","4","3","1") = "9"
    & skf18("6","8","3","10","4","4","1") = "9"
    & skf18("6","8","3","10","4","5","1") = "9"
    & skf18("6","8","3","10","4","6","1") = "9"
    & skf18("6","8","3","10","4","7","1") = "9"
    & skf18("6","8","3","10","4","8","1") = "9"
    & skf18("6","8","3","10","4","9","1") = "9"
    & skf18("6","8","3","10","4","10","1") = "9"
    & skf18("6","8","3","10","5","1","1") = "9"
    & skf18("6","8","3","10","5","2","1") = "9"
    & skf18("6","8","3","10","5","3","1") = "9"
    & skf18("6","8","3","10","5","4","1") = "9"
    & skf18("6","8","3","10","5","5","1") = "9"
    & skf18("6","8","3","10","5","6","1") = "9"
    & skf18("6","8","3","10","5","7","1") = "9"
    & skf18("6","8","3","10","5","8","1") = "9"
    & skf18("6","8","3","10","5","9","1") = "9"
    & skf18("6","8","3","10","5","10","1") = "9"
    & skf18("6","8","3","10","6","1","1") = "9"
    & skf18("6","8","3","10","6","2","1") = "9"
    & skf18("6","8","3","10","6","3","1") = "9"
    & skf18("6","8","3","10","6","4","1") = "9"
    & skf18("6","8","3","10","6","5","1") = "9"
    & skf18("6","8","3","10","6","6","1") = "9"
    & skf18("6","8","3","10","6","7","1") = "9"
    & skf18("6","8","3","10","6","8","1") = "9"
    & skf18("6","8","3","10","6","9","1") = "9"
    & skf18("6","8","3","10","6","10","1") = "9"
    & skf18("6","8","3","10","7","1","1") = "9"
    & skf18("6","8","3","10","7","2","1") = "9"
    & skf18("6","8","3","10","7","3","1") = "9"
    & skf18("6","8","3","10","7","4","1") = "9"
    & skf18("6","8","3","10","7","5","1") = "9"
    & skf18("6","8","3","10","7","6","1") = "9"
    & skf18("6","8","3","10","7","7","1") = "9"
    & skf18("6","8","3","10","7","8","1") = "9"
    & skf18("6","8","3","10","7","9","1") = "9"
    & skf18("6","8","3","10","7","10","1") = "9"
    & skf18("6","8","3","10","8","1","1") = "9"
    & skf18("6","8","3","10","8","2","1") = "9"
    & skf18("6","8","3","10","8","3","1") = "9"
    & skf18("6","8","3","10","8","4","1") = "9"
    & skf18("6","8","3","10","8","5","1") = "9"
    & skf18("6","8","3","10","8","6","1") = "9"
    & skf18("6","8","3","10","8","7","1") = "9"
    & skf18("6","8","3","10","8","8","1") = "9"
    & skf18("6","8","3","10","8","9","1") = "9"
    & skf18("6","8","3","10","8","10","1") = "9"
    & skf18("6","8","3","10","9","1","1") = "9"
    & skf18("6","8","3","10","9","2","1") = "9"
    & skf18("6","8","3","10","9","3","1") = "9"
    & skf18("6","8","3","10","9","4","1") = "9"
    & skf18("6","8","3","10","9","5","1") = "9"
    & skf18("6","8","3","10","9","6","1") = "9"
    & skf18("6","8","3","10","9","7","1") = "9"
    & skf18("6","8","3","10","9","8","1") = "9"
    & skf18("6","8","3","10","9","9","1") = "9"
    & skf18("6","8","3","10","9","10","1") = "9"
    & skf18("6","8","3","10","10","1","1") = "9"
    & skf18("6","8","3","10","10","2","1") = "9"
    & skf18("6","8","3","10","10","3","1") = "9"
    & skf18("6","8","3","10","10","4","1") = "9"
    & skf18("6","8","3","10","10","5","1") = "9"
    & skf18("6","8","3","10","10","6","1") = "9"
    & skf18("6","8","3","10","10","7","1") = "9"
    & skf18("6","8","3","10","10","8","1") = "9"
    & skf18("6","8","3","10","10","9","1") = "9"
    & skf18("6","8","3","10","10","10","1") = "9"
    & skf18("6","8","4","1","1","1","1") = "7"
    & skf18("6","8","4","1","1","2","1") = "7"
    & skf18("6","8","4","1","1","3","1") = "7"
    & skf18("6","8","4","1","1","4","1") = "7"
    & skf18("6","8","4","1","1","5","1") = "7"
    & skf18("6","8","4","1","1","6","1") = "7"
    & skf18("6","8","4","1","1","7","1") = "7"
    & skf18("6","8","4","1","1","8","1") = "7"
    & skf18("6","8","4","1","1","9","1") = "8"
    & skf18("6","8","4","1","1","10","1") = "9"
    & skf18("6","8","4","1","2","1","1") = "7"
    & skf18("6","8","4","1","2","2","1") = "7"
    & skf18("6","8","4","1","2","3","1") = "7"
    & skf18("6","8","4","1","2","4","1") = "7"
    & skf18("6","8","4","1","2","5","1") = "7"
    & skf18("6","8","4","1","2","6","1") = "7"
    & skf18("6","8","4","1","2","7","1") = "7"
    & skf18("6","8","4","1","2","8","1") = "7"
    & skf18("6","8","4","1","2","9","1") = "8"
    & skf18("6","8","4","1","2","10","1") = "9"
    & skf18("6","8","4","1","3","1","1") = "7"
    & skf18("6","8","4","1","3","2","1") = "7"
    & skf18("6","8","4","1","3","3","1") = "7"
    & skf18("6","8","4","1","3","4","1") = "7"
    & skf18("6","8","4","1","3","5","1") = "7"
    & skf18("6","8","4","1","3","6","1") = "7"
    & skf18("6","8","4","1","3","7","1") = "7"
    & skf18("6","8","4","1","3","8","1") = "7"
    & skf18("6","8","4","1","3","9","1") = "8"
    & skf18("6","8","4","1","3","10","1") = "9"
    & skf18("6","8","4","1","4","1","1") = "7"
    & skf18("6","8","4","1","4","2","1") = "7"
    & skf18("6","8","4","1","4","3","1") = "7"
    & skf18("6","8","4","1","4","4","1") = "7"
    & skf18("6","8","4","1","4","5","1") = "7"
    & skf18("6","8","4","1","4","6","1") = "7"
    & skf18("6","8","4","1","4","7","1") = "7"
    & skf18("6","8","4","1","4","8","1") = "7"
    & skf18("6","8","4","1","4","9","1") = "8"
    & skf18("6","8","4","1","4","10","1") = "9"
    & skf18("6","8","4","1","5","1","1") = "7"
    & skf18("6","8","4","1","5","2","1") = "7"
    & skf18("6","8","4","1","5","3","1") = "7"
    & skf18("6","8","4","1","5","4","1") = "7"
    & skf18("6","8","4","1","5","5","1") = "7"
    & skf18("6","8","4","1","5","6","1") = "7"
    & skf18("6","8","4","1","5","7","1") = "7"
    & skf18("6","8","4","1","5","8","1") = "7"
    & skf18("6","8","4","1","5","9","1") = "8"
    & skf18("6","8","4","1","5","10","1") = "9"
    & skf18("6","8","4","1","6","1","1") = "7"
    & skf18("6","8","4","1","6","2","1") = "7"
    & skf18("6","8","4","1","6","3","1") = "7"
    & skf18("6","8","4","1","6","4","1") = "7"
    & skf18("6","8","4","1","6","5","1") = "7"
    & skf18("6","8","4","1","6","6","1") = "7"
    & skf18("6","8","4","1","6","7","1") = "7"
    & skf18("6","8","4","1","6","8","1") = "7"
    & skf18("6","8","4","1","6","9","1") = "8"
    & skf18("6","8","4","1","6","10","1") = "9"
    & skf18("6","8","4","1","7","1","1") = "7"
    & skf18("6","8","4","1","7","2","1") = "7"
    & skf18("6","8","4","1","7","3","1") = "7"
    & skf18("6","8","4","1","7","4","1") = "7"
    & skf18("6","8","4","1","7","5","1") = "7"
    & skf18("6","8","4","1","7","6","1") = "7"
    & skf18("6","8","4","1","7","7","1") = "7"
    & skf18("6","8","4","1","7","8","1") = "7"
    & skf18("6","8","4","1","7","9","1") = "8"
    & skf18("6","8","4","1","7","10","1") = "9"
    & skf18("6","8","4","1","8","1","1") = "7"
    & skf18("6","8","4","1","8","2","1") = "7"
    & skf18("6","8","4","1","8","3","1") = "7"
    & skf18("6","8","4","1","8","4","1") = "7"
    & skf18("6","8","4","1","8","5","1") = "7"
    & skf18("6","8","4","1","8","6","1") = "7"
    & skf18("6","8","4","1","8","7","1") = "7"
    & skf18("6","8","4","1","8","8","1") = "7"
    & skf18("6","8","4","1","8","9","1") = "8"
    & skf18("6","8","4","1","8","10","1") = "9"
    & skf18("6","8","4","1","9","1","1") = "8"
    & skf18("6","8","4","1","9","2","1") = "8"
    & skf18("6","8","4","1","9","3","1") = "8"
    & skf18("6","8","4","1","9","4","1") = "8"
    & skf18("6","8","4","1","9","5","1") = "8"
    & skf18("6","8","4","1","9","6","1") = "8"
    & skf18("6","8","4","1","9","7","1") = "8"
    & skf18("6","8","4","1","9","8","1") = "8"
    & skf18("6","8","4","1","9","9","1") = "8"
    & skf18("6","8","4","1","9","10","1") = "9"
    & skf18("6","8","4","1","10","1","1") = "9"
    & skf18("6","8","4","1","10","2","1") = "9"
    & skf18("6","8","4","1","10","3","1") = "9"
    & skf18("6","8","4","1","10","4","1") = "9"
    & skf18("6","8","4","1","10","5","1") = "9"
    & skf18("6","8","4","1","10","6","1") = "9"
    & skf18("6","8","4","1","10","7","1") = "9"
    & skf18("6","8","4","1","10","8","1") = "9"
    & skf18("6","8","4","1","10","9","1") = "9"
    & skf18("6","8","4","1","10","10","1") = "9"
    & skf18("6","8","4","2","1","1","1") = "7"
    & skf18("6","8","4","2","1","2","1") = "7"
    & skf18("6","8","4","2","1","3","1") = "7"
    & skf18("6","8","4","2","1","4","1") = "7"
    & skf18("6","8","4","2","1","5","1") = "7"
    & skf18("6","8","4","2","1","6","1") = "7"
    & skf18("6","8","4","2","1","7","1") = "7"
    & skf18("6","8","4","2","1","8","1") = "7"
    & skf18("6","8","4","2","1","9","1") = "8"
    & skf18("6","8","4","2","1","10","1") = "9"
    & skf18("6","8","4","2","2","1","1") = "7"
    & skf18("6","8","4","2","2","2","1") = "7"
    & skf18("6","8","4","2","2","3","1") = "7"
    & skf18("6","8","4","2","2","4","1") = "7"
    & skf18("6","8","4","2","2","5","1") = "7"
    & skf18("6","8","4","2","2","6","1") = "7"
    & skf18("6","8","4","2","2","7","1") = "7"
    & skf18("6","8","4","2","2","8","1") = "7"
    & skf18("6","8","4","2","2","9","1") = "8"
    & skf18("6","8","4","2","2","10","1") = "9"
    & skf18("6","8","4","2","3","1","1") = "7"
    & skf18("6","8","4","2","3","2","1") = "7"
    & skf18("6","8","4","2","3","3","1") = "7"
    & skf18("6","8","4","2","3","4","1") = "7"
    & skf18("6","8","4","2","3","5","1") = "7"
    & skf18("6","8","4","2","3","6","1") = "7"
    & skf18("6","8","4","2","3","7","1") = "7"
    & skf18("6","8","4","2","3","8","1") = "7"
    & skf18("6","8","4","2","3","9","1") = "8"
    & skf18("6","8","4","2","3","10","1") = "9"
    & skf18("6","8","4","2","4","1","1") = "7"
    & skf18("6","8","4","2","4","2","1") = "7"
    & skf18("6","8","4","2","4","3","1") = "7"
    & skf18("6","8","4","2","4","4","1") = "7"
    & skf18("6","8","4","2","4","5","1") = "7"
    & skf18("6","8","4","2","4","6","1") = "7"
    & skf18("6","8","4","2","4","7","1") = "7"
    & skf18("6","8","4","2","4","8","1") = "7"
    & skf18("6","8","4","2","4","9","1") = "8"
    & skf18("6","8","4","2","4","10","1") = "9"
    & skf18("6","8","4","2","5","1","1") = "7"
    & skf18("6","8","4","2","5","2","1") = "7"
    & skf18("6","8","4","2","5","3","1") = "7"
    & skf18("6","8","4","2","5","4","1") = "7"
    & skf18("6","8","4","2","5","5","1") = "7"
    & skf18("6","8","4","2","5","6","1") = "7"
    & skf18("6","8","4","2","5","7","1") = "7"
    & skf18("6","8","4","2","5","8","1") = "7"
    & skf18("6","8","4","2","5","9","1") = "8"
    & skf18("6","8","4","2","5","10","1") = "9"
    & skf18("6","8","4","2","6","1","1") = "7"
    & skf18("6","8","4","2","6","2","1") = "7"
    & skf18("6","8","4","2","6","3","1") = "7"
    & skf18("6","8","4","2","6","4","1") = "7"
    & skf18("6","8","4","2","6","5","1") = "7"
    & skf18("6","8","4","2","6","6","1") = "7"
    & skf18("6","8","4","2","6","7","1") = "7"
    & skf18("6","8","4","2","6","8","1") = "7"
    & skf18("6","8","4","2","6","9","1") = "8"
    & skf18("6","8","4","2","6","10","1") = "9"
    & skf18("6","8","4","2","7","1","1") = "7"
    & skf18("6","8","4","2","7","2","1") = "7"
    & skf18("6","8","4","2","7","3","1") = "7"
    & skf18("6","8","4","2","7","4","1") = "7"
    & skf18("6","8","4","2","7","5","1") = "7"
    & skf18("6","8","4","2","7","6","1") = "7"
    & skf18("6","8","4","2","7","7","1") = "7"
    & skf18("6","8","4","2","7","8","1") = "7"
    & skf18("6","8","4","2","7","9","1") = "8"
    & skf18("6","8","4","2","7","10","1") = "9"
    & skf18("6","8","4","2","8","1","1") = "7"
    & skf18("6","8","4","2","8","2","1") = "7"
    & skf18("6","8","4","2","8","3","1") = "7"
    & skf18("6","8","4","2","8","4","1") = "7"
    & skf18("6","8","4","2","8","5","1") = "7"
    & skf18("6","8","4","2","8","6","1") = "7"
    & skf18("6","8","4","2","8","7","1") = "7"
    & skf18("6","8","4","2","8","8","1") = "7"
    & skf18("6","8","4","2","8","9","1") = "8"
    & skf18("6","8","4","2","8","10","1") = "9"
    & skf18("6","8","4","2","9","1","1") = "8"
    & skf18("6","8","4","2","9","2","1") = "8"
    & skf18("6","8","4","2","9","3","1") = "8"
    & skf18("6","8","4","2","9","4","1") = "8"
    & skf18("6","8","4","2","9","5","1") = "8"
    & skf18("6","8","4","2","9","6","1") = "8"
    & skf18("6","8","4","2","9","7","1") = "8"
    & skf18("6","8","4","2","9","8","1") = "8"
    & skf18("6","8","4","2","9","9","1") = "8"
    & skf18("6","8","4","2","9","10","1") = "9"
    & skf18("6","8","4","2","10","1","1") = "9"
    & skf18("6","8","4","2","10","2","1") = "9"
    & skf18("6","8","4","2","10","3","1") = "9"
    & skf18("6","8","4","2","10","4","1") = "9"
    & skf18("6","8","4","2","10","5","1") = "9"
    & skf18("6","8","4","2","10","6","1") = "9"
    & skf18("6","8","4","2","10","7","1") = "9"
    & skf18("6","8","4","2","10","8","1") = "9"
    & skf18("6","8","4","2","10","9","1") = "9"
    & skf18("6","8","4","2","10","10","1") = "9"
    & skf18("6","8","4","3","1","1","1") = "7"
    & skf18("6","8","4","3","1","2","1") = "7"
    & skf18("6","8","4","3","1","3","1") = "7"
    & skf18("6","8","4","3","1","4","1") = "7"
    & skf18("6","8","4","3","1","5","1") = "7"
    & skf18("6","8","4","3","1","6","1") = "7"
    & skf18("6","8","4","3","1","7","1") = "7"
    & skf18("6","8","4","3","1","8","1") = "7"
    & skf18("6","8","4","3","1","9","1") = "8"
    & skf18("6","8","4","3","1","10","1") = "9"
    & skf18("6","8","4","3","2","1","1") = "7"
    & skf18("6","8","4","3","2","2","1") = "7"
    & skf18("6","8","4","3","2","3","1") = "7"
    & skf18("6","8","4","3","2","4","1") = "7"
    & skf18("6","8","4","3","2","5","1") = "7"
    & skf18("6","8","4","3","2","6","1") = "7"
    & skf18("6","8","4","3","2","7","1") = "7"
    & skf18("6","8","4","3","2","8","1") = "7"
    & skf18("6","8","4","3","2","9","1") = "8"
    & skf18("6","8","4","3","2","10","1") = "9"
    & skf18("6","8","4","3","3","1","1") = "7"
    & skf18("6","8","4","3","3","2","1") = "7"
    & skf18("6","8","4","3","3","3","1") = "7"
    & skf18("6","8","4","3","3","4","1") = "7"
    & skf18("6","8","4","3","3","5","1") = "7"
    & skf18("6","8","4","3","3","6","1") = "7"
    & skf18("6","8","4","3","3","7","1") = "7"
    & skf18("6","8","4","3","3","8","1") = "7"
    & skf18("6","8","4","3","3","9","1") = "8"
    & skf18("6","8","4","3","3","10","1") = "9"
    & skf18("6","8","4","3","4","1","1") = "7"
    & skf18("6","8","4","3","4","2","1") = "7"
    & skf18("6","8","4","3","4","3","1") = "7"
    & skf18("6","8","4","3","4","4","1") = "7"
    & skf18("6","8","4","3","4","5","1") = "7"
    & skf18("6","8","4","3","4","6","1") = "7"
    & skf18("6","8","4","3","4","7","1") = "7"
    & skf18("6","8","4","3","4","8","1") = "7"
    & skf18("6","8","4","3","4","9","1") = "8"
    & skf18("6","8","4","3","4","10","1") = "9"
    & skf18("6","8","4","3","5","1","1") = "7"
    & skf18("6","8","4","3","5","2","1") = "7"
    & skf18("6","8","4","3","5","3","1") = "7"
    & skf18("6","8","4","3","5","4","1") = "7"
    & skf18("6","8","4","3","5","5","1") = "7"
    & skf18("6","8","4","3","5","6","1") = "7"
    & skf18("6","8","4","3","5","7","1") = "7"
    & skf18("6","8","4","3","5","8","1") = "7"
    & skf18("6","8","4","3","5","9","1") = "8"
    & skf18("6","8","4","3","5","10","1") = "9"
    & skf18("6","8","4","3","6","1","1") = "7"
    & skf18("6","8","4","3","6","2","1") = "7"
    & skf18("6","8","4","3","6","3","1") = "7"
    & skf18("6","8","4","3","6","4","1") = "7"
    & skf18("6","8","4","3","6","5","1") = "7"
    & skf18("6","8","4","3","6","6","1") = "7"
    & skf18("6","8","4","3","6","7","1") = "7"
    & skf18("6","8","4","3","6","8","1") = "7"
    & skf18("6","8","4","3","6","9","1") = "8"
    & skf18("6","8","4","3","6","10","1") = "9"
    & skf18("6","8","4","3","7","1","1") = "7"
    & skf18("6","8","4","3","7","2","1") = "7"
    & skf18("6","8","4","3","7","3","1") = "7"
    & skf18("6","8","4","3","7","4","1") = "7"
    & skf18("6","8","4","3","7","5","1") = "7"
    & skf18("6","8","4","3","7","6","1") = "7"
    & skf18("6","8","4","3","7","7","1") = "7"
    & skf18("6","8","4","3","7","8","1") = "7"
    & skf18("6","8","4","3","7","9","1") = "8"
    & skf18("6","8","4","3","7","10","1") = "9"
    & skf18("6","8","4","3","8","1","1") = "7"
    & skf18("6","8","4","3","8","2","1") = "7"
    & skf18("6","8","4","3","8","3","1") = "7"
    & skf18("6","8","4","3","8","4","1") = "7"
    & skf18("6","8","4","3","8","5","1") = "7"
    & skf18("6","8","4","3","8","6","1") = "7"
    & skf18("6","8","4","3","8","7","1") = "7"
    & skf18("6","8","4","3","8","8","1") = "7"
    & skf18("6","8","4","3","8","9","1") = "8"
    & skf18("6","8","4","3","8","10","1") = "9"
    & skf18("6","8","4","3","9","1","1") = "8"
    & skf18("6","8","4","3","9","2","1") = "8"
    & skf18("6","8","4","3","9","3","1") = "8"
    & skf18("6","8","4","3","9","4","1") = "8"
    & skf18("6","8","4","3","9","5","1") = "8"
    & skf18("6","8","4","3","9","6","1") = "8"
    & skf18("6","8","4","3","9","7","1") = "8"
    & skf18("6","8","4","3","9","8","1") = "8"
    & skf18("6","8","4","3","9","9","1") = "8"
    & skf18("6","8","4","3","9","10","1") = "9"
    & skf18("6","8","4","3","10","1","1") = "9"
    & skf18("6","8","4","3","10","2","1") = "9"
    & skf18("6","8","4","3","10","3","1") = "9"
    & skf18("6","8","4","3","10","4","1") = "9"
    & skf18("6","8","4","3","10","5","1") = "9"
    & skf18("6","8","4","3","10","6","1") = "9"
    & skf18("6","8","4","3","10","7","1") = "9"
    & skf18("6","8","4","3","10","8","1") = "9"
    & skf18("6","8","4","3","10","9","1") = "9"
    & skf18("6","8","4","3","10","10","1") = "9"
    & skf18("6","8","4","4","1","1","1") = "7"
    & skf18("6","8","4","4","1","2","1") = "7"
    & skf18("6","8","4","4","1","3","1") = "7"
    & skf18("6","8","4","4","1","4","1") = "7"
    & skf18("6","8","4","4","1","5","1") = "7"
    & skf18("6","8","4","4","1","6","1") = "7"
    & skf18("6","8","4","4","1","7","1") = "7"
    & skf18("6","8","4","4","1","8","1") = "7"
    & skf18("6","8","4","4","1","9","1") = "8"
    & skf18("6","8","4","4","1","10","1") = "9"
    & skf18("6","8","4","4","2","1","1") = "7"
    & skf18("6","8","4","4","2","2","1") = "7"
    & skf18("6","8","4","4","2","3","1") = "7"
    & skf18("6","8","4","4","2","4","1") = "7"
    & skf18("6","8","4","4","2","5","1") = "7"
    & skf18("6","8","4","4","2","6","1") = "7"
    & skf18("6","8","4","4","2","7","1") = "7"
    & skf18("6","8","4","4","2","8","1") = "7"
    & skf18("6","8","4","4","2","9","1") = "8"
    & skf18("6","8","4","4","2","10","1") = "9"
    & skf18("6","8","4","4","3","1","1") = "7"
    & skf18("6","8","4","4","3","2","1") = "7"
    & skf18("6","8","4","4","3","3","1") = "7"
    & skf18("6","8","4","4","3","4","1") = "7"
    & skf18("6","8","4","4","3","5","1") = "7"
    & skf18("6","8","4","4","3","6","1") = "7"
    & skf18("6","8","4","4","3","7","1") = "7"
    & skf18("6","8","4","4","3","8","1") = "7"
    & skf18("6","8","4","4","3","9","1") = "8"
    & skf18("6","8","4","4","3","10","1") = "9"
    & skf18("6","8","4","4","4","1","1") = "7"
    & skf18("6","8","4","4","4","2","1") = "7"
    & skf18("6","8","4","4","4","3","1") = "7"
    & skf18("6","8","4","4","4","4","1") = "7"
    & skf18("6","8","4","4","4","5","1") = "7"
    & skf18("6","8","4","4","4","6","1") = "7"
    & skf18("6","8","4","4","4","7","1") = "7"
    & skf18("6","8","4","4","4","8","1") = "7"
    & skf18("6","8","4","4","4","9","1") = "8"
    & skf18("6","8","4","4","4","10","1") = "9"
    & skf18("6","8","4","4","5","1","1") = "7"
    & skf18("6","8","4","4","5","2","1") = "7"
    & skf18("6","8","4","4","5","3","1") = "7"
    & skf18("6","8","4","4","5","4","1") = "7"
    & skf18("6","8","4","4","5","5","1") = "7"
    & skf18("6","8","4","4","5","6","1") = "7"
    & skf18("6","8","4","4","5","7","1") = "7"
    & skf18("6","8","4","4","5","8","1") = "7"
    & skf18("6","8","4","4","5","9","1") = "8"
    & skf18("6","8","4","4","5","10","1") = "9"
    & skf18("6","8","4","4","6","1","1") = "7"
    & skf18("6","8","4","4","6","2","1") = "7"
    & skf18("6","8","4","4","6","3","1") = "7"
    & skf18("6","8","4","4","6","4","1") = "7"
    & skf18("6","8","4","4","6","5","1") = "7"
    & skf18("6","8","4","4","6","6","1") = "7"
    & skf18("6","8","4","4","6","7","1") = "7"
    & skf18("6","8","4","4","6","8","1") = "7"
    & skf18("6","8","4","4","6","9","1") = "8"
    & skf18("6","8","4","4","6","10","1") = "9"
    & skf18("6","8","4","4","7","1","1") = "7"
    & skf18("6","8","4","4","7","2","1") = "7"
    & skf18("6","8","4","4","7","3","1") = "7"
    & skf18("6","8","4","4","7","4","1") = "7"
    & skf18("6","8","4","4","7","5","1") = "7"
    & skf18("6","8","4","4","7","6","1") = "7"
    & skf18("6","8","4","4","7","7","1") = "7"
    & skf18("6","8","4","4","7","8","1") = "7"
    & skf18("6","8","4","4","7","9","1") = "8"
    & skf18("6","8","4","4","7","10","1") = "9"
    & skf18("6","8","4","4","8","1","1") = "7"
    & skf18("6","8","4","4","8","2","1") = "7"
    & skf18("6","8","4","4","8","3","1") = "7"
    & skf18("6","8","4","4","8","4","1") = "7"
    & skf18("6","8","4","4","8","5","1") = "7"
    & skf18("6","8","4","4","8","6","1") = "7"
    & skf18("6","8","4","4","8","7","1") = "7"
    & skf18("6","8","4","4","8","8","1") = "7"
    & skf18("6","8","4","4","8","9","1") = "8"
    & skf18("6","8","4","4","8","10","1") = "9"
    & skf18("6","8","4","4","9","1","1") = "8"
    & skf18("6","8","4","4","9","2","1") = "8"
    & skf18("6","8","4","4","9","3","1") = "8"
    & skf18("6","8","4","4","9","4","1") = "8"
    & skf18("6","8","4","4","9","5","1") = "8"
    & skf18("6","8","4","4","9","6","1") = "8"
    & skf18("6","8","4","4","9","7","1") = "8"
    & skf18("6","8","4","4","9","8","1") = "8"
    & skf18("6","8","4","4","9","9","1") = "8"
    & skf18("6","8","4","4","9","10","1") = "9"
    & skf18("6","8","4","4","10","1","1") = "9"
    & skf18("6","8","4","4","10","2","1") = "9"
    & skf18("6","8","4","4","10","3","1") = "9"
    & skf18("6","8","4","4","10","4","1") = "9"
    & skf18("6","8","4","4","10","5","1") = "9"
    & skf18("6","8","4","4","10","6","1") = "9"
    & skf18("6","8","4","4","10","7","1") = "9"
    & skf18("6","8","4","4","10","8","1") = "9"
    & skf18("6","8","4","4","10","9","1") = "9"
    & skf18("6","8","4","4","10","10","1") = "9"
    & skf18("6","8","4","5","1","1","1") = "7"
    & skf18("6","8","4","5","1","2","1") = "7"
    & skf18("6","8","4","5","1","3","1") = "7"
    & skf18("6","8","4","5","1","4","1") = "7"
    & skf18("6","8","4","5","1","5","1") = "7"
    & skf18("6","8","4","5","1","6","1") = "7"
    & skf18("6","8","4","5","1","7","1") = "7"
    & skf18("6","8","4","5","1","8","1") = "7"
    & skf18("6","8","4","5","1","9","1") = "8"
    & skf18("6","8","4","5","1","10","1") = "9"
    & skf18("6","8","4","5","2","1","1") = "7"
    & skf18("6","8","4","5","2","2","1") = "7"
    & skf18("6","8","4","5","2","3","1") = "7"
    & skf18("6","8","4","5","2","4","1") = "7"
    & skf18("6","8","4","5","2","5","1") = "7"
    & skf18("6","8","4","5","2","6","1") = "7"
    & skf18("6","8","4","5","2","7","1") = "7"
    & skf18("6","8","4","5","2","8","1") = "7"
    & skf18("6","8","4","5","2","9","1") = "8"
    & skf18("6","8","4","5","2","10","1") = "9"
    & skf18("6","8","4","5","3","1","1") = "7"
    & skf18("6","8","4","5","3","2","1") = "7"
    & skf18("6","8","4","5","3","3","1") = "7"
    & skf18("6","8","4","5","3","4","1") = "7"
    & skf18("6","8","4","5","3","5","1") = "7"
    & skf18("6","8","4","5","3","6","1") = "7"
    & skf18("6","8","4","5","3","7","1") = "7"
    & skf18("6","8","4","5","3","8","1") = "7"
    & skf18("6","8","4","5","3","9","1") = "8"
    & skf18("6","8","4","5","3","10","1") = "9"
    & skf18("6","8","4","5","4","1","1") = "7"
    & skf18("6","8","4","5","4","2","1") = "7"
    & skf18("6","8","4","5","4","3","1") = "7"
    & skf18("6","8","4","5","4","4","1") = "7"
    & skf18("6","8","4","5","4","5","1") = "7"
    & skf18("6","8","4","5","4","6","1") = "7"
    & skf18("6","8","4","5","4","7","1") = "7"
    & skf18("6","8","4","5","4","8","1") = "7"
    & skf18("6","8","4","5","4","9","1") = "8"
    & skf18("6","8","4","5","4","10","1") = "9"
    & skf18("6","8","4","5","5","1","1") = "7"
    & skf18("6","8","4","5","5","2","1") = "7"
    & skf18("6","8","4","5","5","3","1") = "7"
    & skf18("6","8","4","5","5","4","1") = "7"
    & skf18("6","8","4","5","5","5","1") = "7"
    & skf18("6","8","4","5","5","6","1") = "7"
    & skf18("6","8","4","5","5","7","1") = "7"
    & skf18("6","8","4","5","5","8","1") = "7"
    & skf18("6","8","4","5","5","9","1") = "8"
    & skf18("6","8","4","5","5","10","1") = "9"
    & skf18("6","8","4","5","6","1","1") = "7"
    & skf18("6","8","4","5","6","2","1") = "7"
    & skf18("6","8","4","5","6","3","1") = "7"
    & skf18("6","8","4","5","6","4","1") = "7"
    & skf18("6","8","4","5","6","5","1") = "7"
    & skf18("6","8","4","5","6","6","1") = "7"
    & skf18("6","8","4","5","6","7","1") = "7"
    & skf18("6","8","4","5","6","8","1") = "7"
    & skf18("6","8","4","5","6","9","1") = "8"
    & skf18("6","8","4","5","6","10","1") = "9"
    & skf18("6","8","4","5","7","1","1") = "7"
    & skf18("6","8","4","5","7","2","1") = "7"
    & skf18("6","8","4","5","7","3","1") = "7"
    & skf18("6","8","4","5","7","4","1") = "7"
    & skf18("6","8","4","5","7","5","1") = "7"
    & skf18("6","8","4","5","7","6","1") = "7"
    & skf18("6","8","4","5","7","7","1") = "7"
    & skf18("6","8","4","5","7","8","1") = "7"
    & skf18("6","8","4","5","7","9","1") = "8"
    & skf18("6","8","4","5","7","10","1") = "9"
    & skf18("6","8","4","5","8","1","1") = "7"
    & skf18("6","8","4","5","8","2","1") = "7"
    & skf18("6","8","4","5","8","3","1") = "7"
    & skf18("6","8","4","5","8","4","1") = "7"
    & skf18("6","8","4","5","8","5","1") = "7"
    & skf18("6","8","4","5","8","6","1") = "7"
    & skf18("6","8","4","5","8","7","1") = "7"
    & skf18("6","8","4","5","8","8","1") = "7"
    & skf18("6","8","4","5","8","9","1") = "8"
    & skf18("6","8","4","5","8","10","1") = "9"
    & skf18("6","8","4","5","9","1","1") = "8"
    & skf18("6","8","4","5","9","2","1") = "8"
    & skf18("6","8","4","5","9","3","1") = "8"
    & skf18("6","8","4","5","9","4","1") = "8"
    & skf18("6","8","4","5","9","5","1") = "8"
    & skf18("6","8","4","5","9","6","1") = "8"
    & skf18("6","8","4","5","9","7","1") = "8"
    & skf18("6","8","4","5","9","8","1") = "8"
    & skf18("6","8","4","5","9","9","1") = "8"
    & skf18("6","8","4","5","9","10","1") = "9"
    & skf18("6","8","4","5","10","1","1") = "9"
    & skf18("6","8","4","5","10","2","1") = "9"
    & skf18("6","8","4","5","10","3","1") = "9"
    & skf18("6","8","4","5","10","4","1") = "9"
    & skf18("6","8","4","5","10","5","1") = "9"
    & skf18("6","8","4","5","10","6","1") = "9"
    & skf18("6","8","4","5","10","7","1") = "9"
    & skf18("6","8","4","5","10","8","1") = "9"
    & skf18("6","8","4","5","10","9","1") = "9"
    & skf18("6","8","4","5","10","10","1") = "9"
    & skf18("6","8","4","6","1","1","1") = "7"
    & skf18("6","8","4","6","1","2","1") = "7"
    & skf18("6","8","4","6","1","3","1") = "7"
    & skf18("6","8","4","6","1","4","1") = "7"
    & skf18("6","8","4","6","1","5","1") = "7"
    & skf18("6","8","4","6","1","6","1") = "7"
    & skf18("6","8","4","6","1","7","1") = "7"
    & skf18("6","8","4","6","1","8","1") = "7"
    & skf18("6","8","4","6","1","9","1") = "8"
    & skf18("6","8","4","6","1","10","1") = "9"
    & skf18("6","8","4","6","2","1","1") = "7"
    & skf18("6","8","4","6","2","2","1") = "7"
    & skf18("6","8","4","6","2","3","1") = "7"
    & skf18("6","8","4","6","2","4","1") = "7"
    & skf18("6","8","4","6","2","5","1") = "7"
    & skf18("6","8","4","6","2","6","1") = "7"
    & skf18("6","8","4","6","2","7","1") = "7"
    & skf18("6","8","4","6","2","8","1") = "7"
    & skf18("6","8","4","6","2","9","1") = "8"
    & skf18("6","8","4","6","2","10","1") = "9"
    & skf18("6","8","4","6","3","1","1") = "7"
    & skf18("6","8","4","6","3","2","1") = "7"
    & skf18("6","8","4","6","3","3","1") = "7"
    & skf18("6","8","4","6","3","4","1") = "7"
    & skf18("6","8","4","6","3","5","1") = "7"
    & skf18("6","8","4","6","3","6","1") = "7"
    & skf18("6","8","4","6","3","7","1") = "7"
    & skf18("6","8","4","6","3","8","1") = "7"
    & skf18("6","8","4","6","3","9","1") = "8"
    & skf18("6","8","4","6","3","10","1") = "9"
    & skf18("6","8","4","6","4","1","1") = "7"
    & skf18("6","8","4","6","4","2","1") = "7"
    & skf18("6","8","4","6","4","3","1") = "7"
    & skf18("6","8","4","6","4","4","1") = "7"
    & skf18("6","8","4","6","4","5","1") = "7"
    & skf18("6","8","4","6","4","6","1") = "7"
    & skf18("6","8","4","6","4","7","1") = "7"
    & skf18("6","8","4","6","4","8","1") = "7"
    & skf18("6","8","4","6","4","9","1") = "8"
    & skf18("6","8","4","6","4","10","1") = "9"
    & skf18("6","8","4","6","5","1","1") = "7"
    & skf18("6","8","4","6","5","2","1") = "7"
    & skf18("6","8","4","6","5","3","1") = "7"
    & skf18("6","8","4","6","5","4","1") = "7"
    & skf18("6","8","4","6","5","5","1") = "7"
    & skf18("6","8","4","6","5","6","1") = "7"
    & skf18("6","8","4","6","5","7","1") = "7"
    & skf18("6","8","4","6","5","8","1") = "7"
    & skf18("6","8","4","6","5","9","1") = "8"
    & skf18("6","8","4","6","5","10","1") = "9"
    & skf18("6","8","4","6","6","1","1") = "7"
    & skf18("6","8","4","6","6","2","1") = "7"
    & skf18("6","8","4","6","6","3","1") = "7"
    & skf18("6","8","4","6","6","4","1") = "7"
    & skf18("6","8","4","6","6","5","1") = "7"
    & skf18("6","8","4","6","6","6","1") = "7"
    & skf18("6","8","4","6","6","7","1") = "7"
    & skf18("6","8","4","6","6","8","1") = "7"
    & skf18("6","8","4","6","6","9","1") = "8"
    & skf18("6","8","4","6","6","10","1") = "9"
    & skf18("6","8","4","6","7","1","1") = "7"
    & skf18("6","8","4","6","7","2","1") = "7"
    & skf18("6","8","4","6","7","3","1") = "7"
    & skf18("6","8","4","6","7","4","1") = "7"
    & skf18("6","8","4","6","7","5","1") = "7"
    & skf18("6","8","4","6","7","6","1") = "7"
    & skf18("6","8","4","6","7","7","1") = "7"
    & skf18("6","8","4","6","7","8","1") = "7"
    & skf18("6","8","4","6","7","9","1") = "8"
    & skf18("6","8","4","6","7","10","1") = "9"
    & skf18("6","8","4","6","8","1","1") = "7"
    & skf18("6","8","4","6","8","2","1") = "7"
    & skf18("6","8","4","6","8","3","1") = "7"
    & skf18("6","8","4","6","8","4","1") = "7"
    & skf18("6","8","4","6","8","5","1") = "7"
    & skf18("6","8","4","6","8","6","1") = "7"
    & skf18("6","8","4","6","8","7","1") = "7"
    & skf18("6","8","4","6","8","8","1") = "7"
    & skf18("6","8","4","6","8","9","1") = "8"
    & skf18("6","8","4","6","8","10","1") = "9"
    & skf18("6","8","4","6","9","1","1") = "8"
    & skf18("6","8","4","6","9","2","1") = "8"
    & skf18("6","8","4","6","9","3","1") = "8"
    & skf18("6","8","4","6","9","4","1") = "8"
    & skf18("6","8","4","6","9","5","1") = "8"
    & skf18("6","8","4","6","9","6","1") = "8"
    & skf18("6","8","4","6","9","7","1") = "8"
    & skf18("6","8","4","6","9","8","1") = "8"
    & skf18("6","8","4","6","9","9","1") = "8"
    & skf18("6","8","4","6","9","10","1") = "9"
    & skf18("6","8","4","6","10","1","1") = "9"
    & skf18("6","8","4","6","10","2","1") = "9"
    & skf18("6","8","4","6","10","3","1") = "9"
    & skf18("6","8","4","6","10","4","1") = "9"
    & skf18("6","8","4","6","10","5","1") = "9"
    & skf18("6","8","4","6","10","6","1") = "9"
    & skf18("6","8","4","6","10","7","1") = "9"
    & skf18("6","8","4","6","10","8","1") = "9"
    & skf18("6","8","4","6","10","9","1") = "9"
    & skf18("6","8","4","6","10","10","1") = "9"
    & skf18("6","8","4","7","1","1","1") = "7"
    & skf18("6","8","4","7","1","2","1") = "7"
    & skf18("6","8","4","7","1","3","1") = "7"
    & skf18("6","8","4","7","1","4","1") = "7"
    & skf18("6","8","4","7","1","5","1") = "7"
    & skf18("6","8","4","7","1","6","1") = "7"
    & skf18("6","8","4","7","1","7","1") = "7"
    & skf18("6","8","4","7","1","8","1") = "7"
    & skf18("6","8","4","7","1","9","1") = "8"
    & skf18("6","8","4","7","1","10","1") = "9"
    & skf18("6","8","4","7","2","1","1") = "7"
    & skf18("6","8","4","7","2","2","1") = "7"
    & skf18("6","8","4","7","2","3","1") = "7"
    & skf18("6","8","4","7","2","4","1") = "7"
    & skf18("6","8","4","7","2","5","1") = "7"
    & skf18("6","8","4","7","2","6","1") = "7"
    & skf18("6","8","4","7","2","7","1") = "7"
    & skf18("6","8","4","7","2","8","1") = "7"
    & skf18("6","8","4","7","2","9","1") = "8"
    & skf18("6","8","4","7","2","10","1") = "9"
    & skf18("6","8","4","7","3","1","1") = "7"
    & skf18("6","8","4","7","3","2","1") = "7"
    & skf18("6","8","4","7","3","3","1") = "7"
    & skf18("6","8","4","7","3","4","1") = "7"
    & skf18("6","8","4","7","3","5","1") = "7"
    & skf18("6","8","4","7","3","6","1") = "7"
    & skf18("6","8","4","7","3","7","1") = "7"
    & skf18("6","8","4","7","3","8","1") = "7"
    & skf18("6","8","4","7","3","9","1") = "8"
    & skf18("6","8","4","7","3","10","1") = "9"
    & skf18("6","8","4","7","4","1","1") = "7"
    & skf18("6","8","4","7","4","2","1") = "7"
    & skf18("6","8","4","7","4","3","1") = "7"
    & skf18("6","8","4","7","4","4","1") = "7"
    & skf18("6","8","4","7","4","5","1") = "7"
    & skf18("6","8","4","7","4","6","1") = "7"
    & skf18("6","8","4","7","4","7","1") = "7"
    & skf18("6","8","4","7","4","8","1") = "7"
    & skf18("6","8","4","7","4","9","1") = "8"
    & skf18("6","8","4","7","4","10","1") = "9"
    & skf18("6","8","4","7","5","1","1") = "7"
    & skf18("6","8","4","7","5","2","1") = "7"
    & skf18("6","8","4","7","5","3","1") = "7"
    & skf18("6","8","4","7","5","4","1") = "7"
    & skf18("6","8","4","7","5","5","1") = "7"
    & skf18("6","8","4","7","5","6","1") = "7"
    & skf18("6","8","4","7","5","7","1") = "7"
    & skf18("6","8","4","7","5","8","1") = "7"
    & skf18("6","8","4","7","5","9","1") = "8"
    & skf18("6","8","4","7","5","10","1") = "9"
    & skf18("6","8","4","7","6","1","1") = "7"
    & skf18("6","8","4","7","6","2","1") = "7"
    & skf18("6","8","4","7","6","3","1") = "7"
    & skf18("6","8","4","7","6","4","1") = "7"
    & skf18("6","8","4","7","6","5","1") = "7"
    & skf18("6","8","4","7","6","6","1") = "7"
    & skf18("6","8","4","7","6","7","1") = "7"
    & skf18("6","8","4","7","6","8","1") = "7"
    & skf18("6","8","4","7","6","9","1") = "8"
    & skf18("6","8","4","7","6","10","1") = "9"
    & skf18("6","8","4","7","7","1","1") = "7"
    & skf18("6","8","4","7","7","2","1") = "7"
    & skf18("6","8","4","7","7","3","1") = "7"
    & skf18("6","8","4","7","7","4","1") = "7"
    & skf18("6","8","4","7","7","5","1") = "7"
    & skf18("6","8","4","7","7","6","1") = "7"
    & skf18("6","8","4","7","7","7","1") = "7"
    & skf18("6","8","4","7","7","8","1") = "7"
    & skf18("6","8","4","7","7","9","1") = "8"
    & skf18("6","8","4","7","7","10","1") = "9"
    & skf18("6","8","4","7","8","1","1") = "7"
    & skf18("6","8","4","7","8","2","1") = "7"
    & skf18("6","8","4","7","8","3","1") = "7"
    & skf18("6","8","4","7","8","4","1") = "7"
    & skf18("6","8","4","7","8","5","1") = "7"
    & skf18("6","8","4","7","8","6","1") = "7"
    & skf18("6","8","4","7","8","7","1") = "7"
    & skf18("6","8","4","7","8","8","1") = "7"
    & skf18("6","8","4","7","8","9","1") = "8"
    & skf18("6","8","4","7","8","10","1") = "9"
    & skf18("6","8","4","7","9","1","1") = "8"
    & skf18("6","8","4","7","9","2","1") = "8"
    & skf18("6","8","4","7","9","3","1") = "8"
    & skf18("6","8","4","7","9","4","1") = "8"
    & skf18("6","8","4","7","9","5","1") = "8"
    & skf18("6","8","4","7","9","6","1") = "8"
    & skf18("6","8","4","7","9","7","1") = "8"
    & skf18("6","8","4","7","9","8","1") = "8"
    & skf18("6","8","4","7","9","9","1") = "8"
    & skf18("6","8","4","7","9","10","1") = "9"
    & skf18("6","8","4","7","10","1","1") = "9"
    & skf18("6","8","4","7","10","2","1") = "9"
    & skf18("6","8","4","7","10","3","1") = "9"
    & skf18("6","8","4","7","10","4","1") = "9"
    & skf18("6","8","4","7","10","5","1") = "9"
    & skf18("6","8","4","7","10","6","1") = "9"
    & skf18("6","8","4","7","10","7","1") = "9"
    & skf18("6","8","4","7","10","8","1") = "9"
    & skf18("6","8","4","7","10","9","1") = "9"
    & skf18("6","8","4","7","10","10","1") = "9"
    & skf18("6","8","4","8","1","1","1") = "7"
    & skf18("6","8","4","8","1","2","1") = "7"
    & skf18("6","8","4","8","1","3","1") = "7"
    & skf18("6","8","4","8","1","4","1") = "7"
    & skf18("6","8","4","8","1","5","1") = "7"
    & skf18("6","8","4","8","1","6","1") = "7"
    & skf18("6","8","4","8","1","7","1") = "7"
    & skf18("6","8","4","8","1","8","1") = "7"
    & skf18("6","8","4","8","1","9","1") = "8"
    & skf18("6","8","4","8","1","10","1") = "9"
    & skf18("6","8","4","8","2","1","1") = "7"
    & skf18("6","8","4","8","2","2","1") = "7"
    & skf18("6","8","4","8","2","3","1") = "7"
    & skf18("6","8","4","8","2","4","1") = "7"
    & skf18("6","8","4","8","2","5","1") = "7"
    & skf18("6","8","4","8","2","6","1") = "7"
    & skf18("6","8","4","8","2","7","1") = "7"
    & skf18("6","8","4","8","2","8","1") = "7"
    & skf18("6","8","4","8","2","9","1") = "8"
    & skf18("6","8","4","8","2","10","1") = "9"
    & skf18("6","8","4","8","3","1","1") = "7"
    & skf18("6","8","4","8","3","2","1") = "7"
    & skf18("6","8","4","8","3","3","1") = "7"
    & skf18("6","8","4","8","3","4","1") = "7"
    & skf18("6","8","4","8","3","5","1") = "7"
    & skf18("6","8","4","8","3","6","1") = "7"
    & skf18("6","8","4","8","3","7","1") = "7"
    & skf18("6","8","4","8","3","8","1") = "7"
    & skf18("6","8","4","8","3","9","1") = "8"
    & skf18("6","8","4","8","3","10","1") = "9"
    & skf18("6","8","4","8","4","1","1") = "7"
    & skf18("6","8","4","8","4","2","1") = "7"
    & skf18("6","8","4","8","4","3","1") = "7"
    & skf18("6","8","4","8","4","4","1") = "7"
    & skf18("6","8","4","8","4","5","1") = "7"
    & skf18("6","8","4","8","4","6","1") = "7"
    & skf18("6","8","4","8","4","7","1") = "7"
    & skf18("6","8","4","8","4","8","1") = "7"
    & skf18("6","8","4","8","4","9","1") = "8"
    & skf18("6","8","4","8","4","10","1") = "9"
    & skf18("6","8","4","8","5","1","1") = "7"
    & skf18("6","8","4","8","5","2","1") = "7"
    & skf18("6","8","4","8","5","3","1") = "7"
    & skf18("6","8","4","8","5","4","1") = "7"
    & skf18("6","8","4","8","5","5","1") = "7"
    & skf18("6","8","4","8","5","6","1") = "7"
    & skf18("6","8","4","8","5","7","1") = "7"
    & skf18("6","8","4","8","5","8","1") = "7"
    & skf18("6","8","4","8","5","9","1") = "8"
    & skf18("6","8","4","8","5","10","1") = "9"
    & skf18("6","8","4","8","6","1","1") = "7"
    & skf18("6","8","4","8","6","2","1") = "7"
    & skf18("6","8","4","8","6","3","1") = "7"
    & skf18("6","8","4","8","6","4","1") = "7"
    & skf18("6","8","4","8","6","5","1") = "7"
    & skf18("6","8","4","8","6","6","1") = "7"
    & skf18("6","8","4","8","6","7","1") = "7"
    & skf18("6","8","4","8","6","8","1") = "7"
    & skf18("6","8","4","8","6","9","1") = "8"
    & skf18("6","8","4","8","6","10","1") = "9"
    & skf18("6","8","4","8","7","1","1") = "7"
    & skf18("6","8","4","8","7","2","1") = "7"
    & skf18("6","8","4","8","7","3","1") = "7"
    & skf18("6","8","4","8","7","4","1") = "7"
    & skf18("6","8","4","8","7","5","1") = "7"
    & skf18("6","8","4","8","7","6","1") = "7"
    & skf18("6","8","4","8","7","7","1") = "7"
    & skf18("6","8","4","8","7","8","1") = "7"
    & skf18("6","8","4","8","7","9","1") = "8"
    & skf18("6","8","4","8","7","10","1") = "9"
    & skf18("6","8","4","8","8","1","1") = "7"
    & skf18("6","8","4","8","8","2","1") = "7"
    & skf18("6","8","4","8","8","3","1") = "7"
    & skf18("6","8","4","8","8","4","1") = "7"
    & skf18("6","8","4","8","8","5","1") = "7"
    & skf18("6","8","4","8","8","6","1") = "7"
    & skf18("6","8","4","8","8","7","1") = "7"
    & skf18("6","8","4","8","8","8","1") = "7"
    & skf18("6","8","4","8","8","9","1") = "8"
    & skf18("6","8","4","8","8","10","1") = "9"
    & skf18("6","8","4","8","9","1","1") = "8"
    & skf18("6","8","4","8","9","2","1") = "8"
    & skf18("6","8","4","8","9","3","1") = "8"
    & skf18("6","8","4","8","9","4","1") = "8"
    & skf18("6","8","4","8","9","5","1") = "8"
    & skf18("6","8","4","8","9","6","1") = "8"
    & skf18("6","8","4","8","9","7","1") = "8"
    & skf18("6","8","4","8","9","8","1") = "8"
    & skf18("6","8","4","8","9","9","1") = "8"
    & skf18("6","8","4","8","9","10","1") = "9"
    & skf18("6","8","4","8","10","1","1") = "9"
    & skf18("6","8","4","8","10","2","1") = "9"
    & skf18("6","8","4","8","10","3","1") = "9"
    & skf18("6","8","4","8","10","4","1") = "9"
    & skf18("6","8","4","8","10","5","1") = "9"
    & skf18("6","8","4","8","10","6","1") = "9"
    & skf18("6","8","4","8","10","7","1") = "9"
    & skf18("6","8","4","8","10","8","1") = "9"
    & skf18("6","8","4","8","10","9","1") = "9"
    & skf18("6","8","4","8","10","10","1") = "9"
    & skf18("6","8","4","9","1","1","1") = "8"
    & skf18("6","8","4","9","1","2","1") = "8"
    & skf18("6","8","4","9","1","3","1") = "8"
    & skf18("6","8","4","9","1","4","1") = "8"
    & skf18("6","8","4","9","1","5","1") = "8"
    & skf18("6","8","4","9","1","6","1") = "8"
    & skf18("6","8","4","9","1","7","1") = "8"
    & skf18("6","8","4","9","1","8","1") = "8"
    & skf18("6","8","4","9","1","9","1") = "8"
    & skf18("6","8","4","9","1","10","1") = "9"
    & skf18("6","8","4","9","2","1","1") = "8"
    & skf18("6","8","4","9","2","2","1") = "8"
    & skf18("6","8","4","9","2","3","1") = "8"
    & skf18("6","8","4","9","2","4","1") = "8"
    & skf18("6","8","4","9","2","5","1") = "8"
    & skf18("6","8","4","9","2","6","1") = "8"
    & skf18("6","8","4","9","2","7","1") = "8"
    & skf18("6","8","4","9","2","8","1") = "8"
    & skf18("6","8","4","9","2","9","1") = "8"
    & skf18("6","8","4","9","2","10","1") = "9"
    & skf18("6","8","4","9","3","1","1") = "8"
    & skf18("6","8","4","9","3","2","1") = "8"
    & skf18("6","8","4","9","3","3","1") = "8"
    & skf18("6","8","4","9","3","4","1") = "8"
    & skf18("6","8","4","9","3","5","1") = "8"
    & skf18("6","8","4","9","3","6","1") = "8"
    & skf18("6","8","4","9","3","7","1") = "8"
    & skf18("6","8","4","9","3","8","1") = "8"
    & skf18("6","8","4","9","3","9","1") = "8"
    & skf18("6","8","4","9","3","10","1") = "9"
    & skf18("6","8","4","9","4","1","1") = "8"
    & skf18("6","8","4","9","4","2","1") = "8"
    & skf18("6","8","4","9","4","3","1") = "8"
    & skf18("6","8","4","9","4","4","1") = "8"
    & skf18("6","8","4","9","4","5","1") = "8"
    & skf18("6","8","4","9","4","6","1") = "8"
    & skf18("6","8","4","9","4","7","1") = "8"
    & skf18("6","8","4","9","4","8","1") = "8"
    & skf18("6","8","4","9","4","9","1") = "8"
    & skf18("6","8","4","9","4","10","1") = "9"
    & skf18("6","8","4","9","5","1","1") = "8"
    & skf18("6","8","4","9","5","2","1") = "8"
    & skf18("6","8","4","9","5","3","1") = "8"
    & skf18("6","8","4","9","5","4","1") = "8"
    & skf18("6","8","4","9","5","5","1") = "8"
    & skf18("6","8","4","9","5","6","1") = "8"
    & skf18("6","8","4","9","5","7","1") = "8"
    & skf18("6","8","4","9","5","8","1") = "8"
    & skf18("6","8","4","9","5","9","1") = "8"
    & skf18("6","8","4","9","5","10","1") = "9"
    & skf18("6","8","4","9","6","1","1") = "8"
    & skf18("6","8","4","9","6","2","1") = "8"
    & skf18("6","8","4","9","6","3","1") = "8"
    & skf18("6","8","4","9","6","4","1") = "8"
    & skf18("6","8","4","9","6","5","1") = "8"
    & skf18("6","8","4","9","6","6","1") = "8"
    & skf18("6","8","4","9","6","7","1") = "8"
    & skf18("6","8","4","9","6","8","1") = "8"
    & skf18("6","8","4","9","6","9","1") = "8"
    & skf18("6","8","4","9","6","10","1") = "9"
    & skf18("6","8","4","9","7","1","1") = "8"
    & skf18("6","8","4","9","7","2","1") = "8"
    & skf18("6","8","4","9","7","3","1") = "8"
    & skf18("6","8","4","9","7","4","1") = "8"
    & skf18("6","8","4","9","7","5","1") = "8"
    & skf18("6","8","4","9","7","6","1") = "8"
    & skf18("6","8","4","9","7","7","1") = "8"
    & skf18("6","8","4","9","7","8","1") = "8"
    & skf18("6","8","4","9","7","9","1") = "8"
    & skf18("6","8","4","9","7","10","1") = "9"
    & skf18("6","8","4","9","8","1","1") = "8"
    & skf18("6","8","4","9","8","2","1") = "8"
    & skf18("6","8","4","9","8","3","1") = "8"
    & skf18("6","8","4","9","8","4","1") = "8"
    & skf18("6","8","4","9","8","5","1") = "8"
    & skf18("6","8","4","9","8","6","1") = "8"
    & skf18("6","8","4","9","8","7","1") = "8"
    & skf18("6","8","4","9","8","8","1") = "8"
    & skf18("6","8","4","9","8","9","1") = "8"
    & skf18("6","8","4","9","8","10","1") = "9"
    & skf18("6","8","4","9","9","1","1") = "8"
    & skf18("6","8","4","9","9","2","1") = "8"
    & skf18("6","8","4","9","9","3","1") = "8"
    & skf18("6","8","4","9","9","4","1") = "8"
    & skf18("6","8","4","9","9","5","1") = "8"
    & skf18("6","8","4","9","9","6","1") = "8"
    & skf18("6","8","4","9","9","7","1") = "8"
    & skf18("6","8","4","9","9","8","1") = "8"
    & skf18("6","8","4","9","9","9","1") = "8"
    & skf18("6","8","4","9","9","10","1") = "9"
    & skf18("6","8","4","9","10","1","1") = "9"
    & skf18("6","8","4","9","10","2","1") = "9"
    & skf18("6","8","4","9","10","3","1") = "9"
    & skf18("6","8","4","9","10","4","1") = "9"
    & skf18("6","8","4","9","10","5","1") = "9"
    & skf18("6","8","4","9","10","6","1") = "9"
    & skf18("6","8","4","9","10","7","1") = "9"
    & skf18("6","8","4","9","10","8","1") = "9"
    & skf18("6","8","4","9","10","9","1") = "9"
    & skf18("6","8","4","9","10","10","1") = "9"
    & skf18("6","8","4","10","1","1","1") = "9"
    & skf18("6","8","4","10","1","2","1") = "9"
    & skf18("6","8","4","10","1","3","1") = "9"
    & skf18("6","8","4","10","1","4","1") = "9"
    & skf18("6","8","4","10","1","5","1") = "9"
    & skf18("6","8","4","10","1","6","1") = "9"
    & skf18("6","8","4","10","1","7","1") = "9"
    & skf18("6","8","4","10","1","8","1") = "9"
    & skf18("6","8","4","10","1","9","1") = "9"
    & skf18("6","8","4","10","1","10","1") = "9"
    & skf18("6","8","4","10","2","1","1") = "9"
    & skf18("6","8","4","10","2","2","1") = "9"
    & skf18("6","8","4","10","2","3","1") = "9"
    & skf18("6","8","4","10","2","4","1") = "9"
    & skf18("6","8","4","10","2","5","1") = "9"
    & skf18("6","8","4","10","2","6","1") = "9"
    & skf18("6","8","4","10","2","7","1") = "9"
    & skf18("6","8","4","10","2","8","1") = "9"
    & skf18("6","8","4","10","2","9","1") = "9"
    & skf18("6","8","4","10","2","10","1") = "9"
    & skf18("6","8","4","10","3","1","1") = "9"
    & skf18("6","8","4","10","3","2","1") = "9"
    & skf18("6","8","4","10","3","3","1") = "9"
    & skf18("6","8","4","10","3","4","1") = "9"
    & skf18("6","8","4","10","3","5","1") = "9"
    & skf18("6","8","4","10","3","6","1") = "9"
    & skf18("6","8","4","10","3","7","1") = "9"
    & skf18("6","8","4","10","3","8","1") = "9"
    & skf18("6","8","4","10","3","9","1") = "9"
    & skf18("6","8","4","10","3","10","1") = "9"
    & skf18("6","8","4","10","4","1","1") = "9"
    & skf18("6","8","4","10","4","2","1") = "9"
    & skf18("6","8","4","10","4","3","1") = "9"
    & skf18("6","8","4","10","4","4","1") = "9"
    & skf18("6","8","4","10","4","5","1") = "9"
    & skf18("6","8","4","10","4","6","1") = "9"
    & skf18("6","8","4","10","4","7","1") = "9"
    & skf18("6","8","4","10","4","8","1") = "9"
    & skf18("6","8","4","10","4","9","1") = "9"
    & skf18("6","8","4","10","4","10","1") = "9"
    & skf18("6","8","4","10","5","1","1") = "9"
    & skf18("6","8","4","10","5","2","1") = "9"
    & skf18("6","8","4","10","5","3","1") = "9"
    & skf18("6","8","4","10","5","4","1") = "9"
    & skf18("6","8","4","10","5","5","1") = "9"
    & skf18("6","8","4","10","5","6","1") = "9"
    & skf18("6","8","4","10","5","7","1") = "9"
    & skf18("6","8","4","10","5","8","1") = "9"
    & skf18("6","8","4","10","5","9","1") = "9"
    & skf18("6","8","4","10","5","10","1") = "9"
    & skf18("6","8","4","10","6","1","1") = "9"
    & skf18("6","8","4","10","6","2","1") = "9"
    & skf18("6","8","4","10","6","3","1") = "9"
    & skf18("6","8","4","10","6","4","1") = "9"
    & skf18("6","8","4","10","6","5","1") = "9"
    & skf18("6","8","4","10","6","6","1") = "9"
    & skf18("6","8","4","10","6","7","1") = "9"
    & skf18("6","8","4","10","6","8","1") = "9"
    & skf18("6","8","4","10","6","9","1") = "9"
    & skf18("6","8","4","10","6","10","1") = "9"
    & skf18("6","8","4","10","7","1","1") = "9"
    & skf18("6","8","4","10","7","2","1") = "9"
    & skf18("6","8","4","10","7","3","1") = "9"
    & skf18("6","8","4","10","7","4","1") = "9"
    & skf18("6","8","4","10","7","5","1") = "9"
    & skf18("6","8","4","10","7","6","1") = "9"
    & skf18("6","8","4","10","7","7","1") = "9"
    & skf18("6","8","4","10","7","8","1") = "9"
    & skf18("6","8","4","10","7","9","1") = "9"
    & skf18("6","8","4","10","7","10","1") = "9"
    & skf18("6","8","4","10","8","1","1") = "9"
    & skf18("6","8","4","10","8","2","1") = "9"
    & skf18("6","8","4","10","8","3","1") = "9"
    & skf18("6","8","4","10","8","4","1") = "9"
    & skf18("6","8","4","10","8","5","1") = "9"
    & skf18("6","8","4","10","8","6","1") = "9"
    & skf18("6","8","4","10","8","7","1") = "9"
    & skf18("6","8","4","10","8","8","1") = "9"
    & skf18("6","8","4","10","8","9","1") = "9"
    & skf18("6","8","4","10","8","10","1") = "9"
    & skf18("6","8","4","10","9","1","1") = "9"
    & skf18("6","8","4","10","9","2","1") = "9"
    & skf18("6","8","4","10","9","3","1") = "9"
    & skf18("6","8","4","10","9","4","1") = "9"
    & skf18("6","8","4","10","9","5","1") = "9"
    & skf18("6","8","4","10","9","6","1") = "9"
    & skf18("6","8","4","10","9","7","1") = "9"
    & skf18("6","8","4","10","9","8","1") = "9"
    & skf18("6","8","4","10","9","9","1") = "9"
    & skf18("6","8","4","10","9","10","1") = "9"
    & skf18("6","8","4","10","10","1","1") = "9"
    & skf18("6","8","4","10","10","2","1") = "9"
    & skf18("6","8","4","10","10","3","1") = "9"
    & skf18("6","8","4","10","10","4","1") = "9"
    & skf18("6","8","4","10","10","5","1") = "9"
    & skf18("6","8","4","10","10","6","1") = "9"
    & skf18("6","8","4","10","10","7","1") = "9"
    & skf18("6","8","4","10","10","8","1") = "9"
    & skf18("6","8","4","10","10","9","1") = "9"
    & skf18("6","8","4","10","10","10","1") = "9"
    & skf18("6","8","5","1","1","1","1") = "7"
    & skf18("6","8","5","1","1","2","1") = "7"
    & skf18("6","8","5","1","1","3","1") = "7"
    & skf18("6","8","5","1","1","4","1") = "7"
    & skf18("6","8","5","1","1","5","1") = "7"
    & skf18("6","8","5","1","1","6","1") = "7"
    & skf18("6","8","5","1","1","7","1") = "7"
    & skf18("6","8","5","1","1","8","1") = "7"
    & skf18("6","8","5","1","1","9","1") = "8"
    & skf18("6","8","5","1","1","10","1") = "9"
    & skf18("6","8","5","1","2","1","1") = "7"
    & skf18("6","8","5","1","2","2","1") = "7"
    & skf18("6","8","5","1","2","3","1") = "7"
    & skf18("6","8","5","1","2","4","1") = "7"
    & skf18("6","8","5","1","2","5","1") = "7"
    & skf18("6","8","5","1","2","6","1") = "7"
    & skf18("6","8","5","1","2","7","1") = "7"
    & skf18("6","8","5","1","2","8","1") = "7"
    & skf18("6","8","5","1","2","9","1") = "8"
    & skf18("6","8","5","1","2","10","1") = "9"
    & skf18("6","8","5","1","3","1","1") = "7"
    & skf18("6","8","5","1","3","2","1") = "7"
    & skf18("6","8","5","1","3","3","1") = "7"
    & skf18("6","8","5","1","3","4","1") = "7"
    & skf18("6","8","5","1","3","5","1") = "7"
    & skf18("6","8","5","1","3","6","1") = "7"
    & skf18("6","8","5","1","3","7","1") = "7"
    & skf18("6","8","5","1","3","8","1") = "7"
    & skf18("6","8","5","1","3","9","1") = "8"
    & skf18("6","8","5","1","3","10","1") = "9"
    & skf18("6","8","5","1","4","1","1") = "7"
    & skf18("6","8","5","1","4","2","1") = "7"
    & skf18("6","8","5","1","4","3","1") = "7"
    & skf18("6","8","5","1","4","4","1") = "7"
    & skf18("6","8","5","1","4","5","1") = "7"
    & skf18("6","8","5","1","4","6","1") = "7"
    & skf18("6","8","5","1","4","7","1") = "7"
    & skf18("6","8","5","1","4","8","1") = "7"
    & skf18("6","8","5","1","4","9","1") = "8"
    & skf18("6","8","5","1","4","10","1") = "9"
    & skf18("6","8","5","1","5","1","1") = "7"
    & skf18("6","8","5","1","5","2","1") = "7"
    & skf18("6","8","5","1","5","3","1") = "7"
    & skf18("6","8","5","1","5","4","1") = "7"
    & skf18("6","8","5","1","5","5","1") = "7"
    & skf18("6","8","5","1","5","6","1") = "7"
    & skf18("6","8","5","1","5","7","1") = "7"
    & skf18("6","8","5","1","5","8","1") = "7"
    & skf18("6","8","5","1","5","9","1") = "8"
    & skf18("6","8","5","1","5","10","1") = "9"
    & skf18("6","8","5","1","6","1","1") = "7"
    & skf18("6","8","5","1","6","2","1") = "7"
    & skf18("6","8","5","1","6","3","1") = "7"
    & skf18("6","8","5","1","6","4","1") = "7"
    & skf18("6","8","5","1","6","5","1") = "7"
    & skf18("6","8","5","1","6","6","1") = "7"
    & skf18("6","8","5","1","6","7","1") = "7"
    & skf18("6","8","5","1","6","8","1") = "7"
    & skf18("6","8","5","1","6","9","1") = "8"
    & skf18("6","8","5","1","6","10","1") = "9"
    & skf18("6","8","5","1","7","1","1") = "7"
    & skf18("6","8","5","1","7","2","1") = "7"
    & skf18("6","8","5","1","7","3","1") = "7"
    & skf18("6","8","5","1","7","4","1") = "7"
    & skf18("6","8","5","1","7","5","1") = "7"
    & skf18("6","8","5","1","7","6","1") = "7"
    & skf18("6","8","5","1","7","7","1") = "7"
    & skf18("6","8","5","1","7","8","1") = "7"
    & skf18("6","8","5","1","7","9","1") = "8"
    & skf18("6","8","5","1","7","10","1") = "9"
    & skf18("6","8","5","1","8","1","1") = "7"
    & skf18("6","8","5","1","8","2","1") = "7"
    & skf18("6","8","5","1","8","3","1") = "7"
    & skf18("6","8","5","1","8","4","1") = "7"
    & skf18("6","8","5","1","8","5","1") = "7"
    & skf18("6","8","5","1","8","6","1") = "7"
    & skf18("6","8","5","1","8","7","1") = "7"
    & skf18("6","8","5","1","8","8","1") = "7"
    & skf18("6","8","5","1","8","9","1") = "8"
    & skf18("6","8","5","1","8","10","1") = "9"
    & skf18("6","8","5","1","9","1","1") = "8"
    & skf18("6","8","5","1","9","2","1") = "8"
    & skf18("6","8","5","1","9","3","1") = "8"
    & skf18("6","8","5","1","9","4","1") = "8"
    & skf18("6","8","5","1","9","5","1") = "8"
    & skf18("6","8","5","1","9","6","1") = "8"
    & skf18("6","8","5","1","9","7","1") = "8"
    & skf18("6","8","5","1","9","8","1") = "8"
    & skf18("6","8","5","1","9","9","1") = "8"
    & skf18("6","8","5","1","9","10","1") = "9"
    & skf18("6","8","5","1","10","1","1") = "9"
    & skf18("6","8","5","1","10","2","1") = "9"
    & skf18("6","8","5","1","10","3","1") = "9"
    & skf18("6","8","5","1","10","4","1") = "9"
    & skf18("6","8","5","1","10","5","1") = "9"
    & skf18("6","8","5","1","10","6","1") = "9"
    & skf18("6","8","5","1","10","7","1") = "9"
    & skf18("6","8","5","1","10","8","1") = "9"
    & skf18("6","8","5","1","10","9","1") = "9"
    & skf18("6","8","5","1","10","10","1") = "9"
    & skf18("6","8","5","2","1","1","1") = "7"
    & skf18("6","8","5","2","1","2","1") = "7"
    & skf18("6","8","5","2","1","3","1") = "7"
    & skf18("6","8","5","2","1","4","1") = "7"
    & skf18("6","8","5","2","1","5","1") = "7"
    & skf18("6","8","5","2","1","6","1") = "7"
    & skf18("6","8","5","2","1","7","1") = "7"
    & skf18("6","8","5","2","1","8","1") = "7"
    & skf18("6","8","5","2","1","9","1") = "8"
    & skf18("6","8","5","2","1","10","1") = "9"
    & skf18("6","8","5","2","2","1","1") = "7"
    & skf18("6","8","5","2","2","2","1") = "7"
    & skf18("6","8","5","2","2","3","1") = "7"
    & skf18("6","8","5","2","2","4","1") = "7"
    & skf18("6","8","5","2","2","5","1") = "7"
    & skf18("6","8","5","2","2","6","1") = "7"
    & skf18("6","8","5","2","2","7","1") = "7"
    & skf18("6","8","5","2","2","8","1") = "7"
    & skf18("6","8","5","2","2","9","1") = "8"
    & skf18("6","8","5","2","2","10","1") = "9"
    & skf18("6","8","5","2","3","1","1") = "7"
    & skf18("6","8","5","2","3","2","1") = "7"
    & skf18("6","8","5","2","3","3","1") = "7"
    & skf18("6","8","5","2","3","4","1") = "7"
    & skf18("6","8","5","2","3","5","1") = "7"
    & skf18("6","8","5","2","3","6","1") = "7"
    & skf18("6","8","5","2","3","7","1") = "7"
    & skf18("6","8","5","2","3","8","1") = "7"
    & skf18("6","8","5","2","3","9","1") = "8"
    & skf18("6","8","5","2","3","10","1") = "9"
    & skf18("6","8","5","2","4","1","1") = "7"
    & skf18("6","8","5","2","4","2","1") = "7"
    & skf18("6","8","5","2","4","3","1") = "7"
    & skf18("6","8","5","2","4","4","1") = "7"
    & skf18("6","8","5","2","4","5","1") = "7"
    & skf18("6","8","5","2","4","6","1") = "7"
    & skf18("6","8","5","2","4","7","1") = "7"
    & skf18("6","8","5","2","4","8","1") = "7"
    & skf18("6","8","5","2","4","9","1") = "8"
    & skf18("6","8","5","2","4","10","1") = "9"
    & skf18("6","8","5","2","5","1","1") = "7"
    & skf18("6","8","5","2","5","2","1") = "7"
    & skf18("6","8","5","2","5","3","1") = "7"
    & skf18("6","8","5","2","5","4","1") = "7"
    & skf18("6","8","5","2","5","5","1") = "7"
    & skf18("6","8","5","2","5","6","1") = "7"
    & skf18("6","8","5","2","5","7","1") = "7"
    & skf18("6","8","5","2","5","8","1") = "7"
    & skf18("6","8","5","2","5","9","1") = "8"
    & skf18("6","8","5","2","5","10","1") = "9"
    & skf18("6","8","5","2","6","1","1") = "7"
    & skf18("6","8","5","2","6","2","1") = "7"
    & skf18("6","8","5","2","6","3","1") = "7"
    & skf18("6","8","5","2","6","4","1") = "7"
    & skf18("6","8","5","2","6","5","1") = "7"
    & skf18("6","8","5","2","6","6","1") = "7"
    & skf18("6","8","5","2","6","7","1") = "7"
    & skf18("6","8","5","2","6","8","1") = "7"
    & skf18("6","8","5","2","6","9","1") = "8"
    & skf18("6","8","5","2","6","10","1") = "9"
    & skf18("6","8","5","2","7","1","1") = "7"
    & skf18("6","8","5","2","7","2","1") = "7"
    & skf18("6","8","5","2","7","3","1") = "7"
    & skf18("6","8","5","2","7","4","1") = "7"
    & skf18("6","8","5","2","7","5","1") = "7"
    & skf18("6","8","5","2","7","6","1") = "7"
    & skf18("6","8","5","2","7","7","1") = "7"
    & skf18("6","8","5","2","7","8","1") = "7"
    & skf18("6","8","5","2","7","9","1") = "8"
    & skf18("6","8","5","2","7","10","1") = "9"
    & skf18("6","8","5","2","8","1","1") = "7"
    & skf18("6","8","5","2","8","2","1") = "7"
    & skf18("6","8","5","2","8","3","1") = "7"
    & skf18("6","8","5","2","8","4","1") = "7"
    & skf18("6","8","5","2","8","5","1") = "7"
    & skf18("6","8","5","2","8","6","1") = "7"
    & skf18("6","8","5","2","8","7","1") = "7"
    & skf18("6","8","5","2","8","8","1") = "7"
    & skf18("6","8","5","2","8","9","1") = "8"
    & skf18("6","8","5","2","8","10","1") = "9"
    & skf18("6","8","5","2","9","1","1") = "8"
    & skf18("6","8","5","2","9","2","1") = "8"
    & skf18("6","8","5","2","9","3","1") = "8"
    & skf18("6","8","5","2","9","4","1") = "8"
    & skf18("6","8","5","2","9","5","1") = "8"
    & skf18("6","8","5","2","9","6","1") = "8"
    & skf18("6","8","5","2","9","7","1") = "8"
    & skf18("6","8","5","2","9","8","1") = "8"
    & skf18("6","8","5","2","9","9","1") = "8"
    & skf18("6","8","5","2","9","10","1") = "9"
    & skf18("6","8","5","2","10","1","1") = "9"
    & skf18("6","8","5","2","10","2","1") = "9"
    & skf18("6","8","5","2","10","3","1") = "9"
    & skf18("6","8","5","2","10","4","1") = "9"
    & skf18("6","8","5","2","10","5","1") = "9"
    & skf18("6","8","5","2","10","6","1") = "9"
    & skf18("6","8","5","2","10","7","1") = "9"
    & skf18("6","8","5","2","10","8","1") = "9"
    & skf18("6","8","5","2","10","9","1") = "9"
    & skf18("6","8","5","2","10","10","1") = "9"
    & skf18("6","8","5","3","1","1","1") = "7"
    & skf18("6","8","5","3","1","2","1") = "7"
    & skf18("6","8","5","3","1","3","1") = "7"
    & skf18("6","8","5","3","1","4","1") = "7"
    & skf18("6","8","5","3","1","5","1") = "7"
    & skf18("6","8","5","3","1","6","1") = "7"
    & skf18("6","8","5","3","1","7","1") = "7"
    & skf18("6","8","5","3","1","8","1") = "7"
    & skf18("6","8","5","3","1","9","1") = "8"
    & skf18("6","8","5","3","1","10","1") = "9"
    & skf18("6","8","5","3","2","1","1") = "7"
    & skf18("6","8","5","3","2","2","1") = "7"
    & skf18("6","8","5","3","2","3","1") = "7"
    & skf18("6","8","5","3","2","4","1") = "7"
    & skf18("6","8","5","3","2","5","1") = "7"
    & skf18("6","8","5","3","2","6","1") = "7"
    & skf18("6","8","5","3","2","7","1") = "7"
    & skf18("6","8","5","3","2","8","1") = "7"
    & skf18("6","8","5","3","2","9","1") = "8"
    & skf18("6","8","5","3","2","10","1") = "9"
    & skf18("6","8","5","3","3","1","1") = "7"
    & skf18("6","8","5","3","3","2","1") = "7"
    & skf18("6","8","5","3","3","3","1") = "7"
    & skf18("6","8","5","3","3","4","1") = "7"
    & skf18("6","8","5","3","3","5","1") = "7"
    & skf18("6","8","5","3","3","6","1") = "7"
    & skf18("6","8","5","3","3","7","1") = "7"
    & skf18("6","8","5","3","3","8","1") = "7"
    & skf18("6","8","5","3","3","9","1") = "8"
    & skf18("6","8","5","3","3","10","1") = "9"
    & skf18("6","8","5","3","4","1","1") = "7"
    & skf18("6","8","5","3","4","2","1") = "7"
    & skf18("6","8","5","3","4","3","1") = "7"
    & skf18("6","8","5","3","4","4","1") = "7"
    & skf18("6","8","5","3","4","5","1") = "7"
    & skf18("6","8","5","3","4","6","1") = "7"
    & skf18("6","8","5","3","4","7","1") = "7"
    & skf18("6","8","5","3","4","8","1") = "7"
    & skf18("6","8","5","3","4","9","1") = "8"
    & skf18("6","8","5","3","4","10","1") = "9"
    & skf18("6","8","5","3","5","1","1") = "7"
    & skf18("6","8","5","3","5","2","1") = "7"
    & skf18("6","8","5","3","5","3","1") = "7"
    & skf18("6","8","5","3","5","4","1") = "7"
    & skf18("6","8","5","3","5","5","1") = "7"
    & skf18("6","8","5","3","5","6","1") = "7"
    & skf18("6","8","5","3","5","7","1") = "7"
    & skf18("6","8","5","3","5","8","1") = "7"
    & skf18("6","8","5","3","5","9","1") = "8"
    & skf18("6","8","5","3","5","10","1") = "9"
    & skf18("6","8","5","3","6","1","1") = "7"
    & skf18("6","8","5","3","6","2","1") = "7"
    & skf18("6","8","5","3","6","3","1") = "7"
    & skf18("6","8","5","3","6","4","1") = "7"
    & skf18("6","8","5","3","6","5","1") = "7"
    & skf18("6","8","5","3","6","6","1") = "7"
    & skf18("6","8","5","3","6","7","1") = "7"
    & skf18("6","8","5","3","6","8","1") = "7"
    & skf18("6","8","5","3","6","9","1") = "8"
    & skf18("6","8","5","3","6","10","1") = "9"
    & skf18("6","8","5","3","7","1","1") = "7"
    & skf18("6","8","5","3","7","2","1") = "7"
    & skf18("6","8","5","3","7","3","1") = "7"
    & skf18("6","8","5","3","7","4","1") = "7"
    & skf18("6","8","5","3","7","5","1") = "7"
    & skf18("6","8","5","3","7","6","1") = "7"
    & skf18("6","8","5","3","7","7","1") = "7"
    & skf18("6","8","5","3","7","8","1") = "7"
    & skf18("6","8","5","3","7","9","1") = "8"
    & skf18("6","8","5","3","7","10","1") = "9"
    & skf18("6","8","5","3","8","1","1") = "7"
    & skf18("6","8","5","3","8","2","1") = "7"
    & skf18("6","8","5","3","8","3","1") = "7"
    & skf18("6","8","5","3","8","4","1") = "7"
    & skf18("6","8","5","3","8","5","1") = "7"
    & skf18("6","8","5","3","8","6","1") = "7"
    & skf18("6","8","5","3","8","7","1") = "7"
    & skf18("6","8","5","3","8","8","1") = "7"
    & skf18("6","8","5","3","8","9","1") = "8"
    & skf18("6","8","5","3","8","10","1") = "9"
    & skf18("6","8","5","3","9","1","1") = "8"
    & skf18("6","8","5","3","9","2","1") = "8"
    & skf18("6","8","5","3","9","3","1") = "8"
    & skf18("6","8","5","3","9","4","1") = "8"
    & skf18("6","8","5","3","9","5","1") = "8"
    & skf18("6","8","5","3","9","6","1") = "8"
    & skf18("6","8","5","3","9","7","1") = "8"
    & skf18("6","8","5","3","9","8","1") = "8"
    & skf18("6","8","5","3","9","9","1") = "8"
    & skf18("6","8","5","3","9","10","1") = "9"
    & skf18("6","8","5","3","10","1","1") = "9"
    & skf18("6","8","5","3","10","2","1") = "9"
    & skf18("6","8","5","3","10","3","1") = "9"
    & skf18("6","8","5","3","10","4","1") = "9"
    & skf18("6","8","5","3","10","5","1") = "9"
    & skf18("6","8","5","3","10","6","1") = "9"
    & skf18("6","8","5","3","10","7","1") = "9"
    & skf18("6","8","5","3","10","8","1") = "9"
    & skf18("6","8","5","3","10","9","1") = "9"
    & skf18("6","8","5","3","10","10","1") = "9"
    & skf18("6","8","5","4","1","1","1") = "7"
    & skf18("6","8","5","4","1","2","1") = "7"
    & skf18("6","8","5","4","1","3","1") = "7"
    & skf18("6","8","5","4","1","4","1") = "7"
    & skf18("6","8","5","4","1","5","1") = "7"
    & skf18("6","8","5","4","1","6","1") = "7"
    & skf18("6","8","5","4","1","7","1") = "7"
    & skf18("6","8","5","4","1","8","1") = "7"
    & skf18("6","8","5","4","1","9","1") = "8"
    & skf18("6","8","5","4","1","10","1") = "9"
    & skf18("6","8","5","4","2","1","1") = "7"
    & skf18("6","8","5","4","2","2","1") = "7"
    & skf18("6","8","5","4","2","3","1") = "7"
    & skf18("6","8","5","4","2","4","1") = "7"
    & skf18("6","8","5","4","2","5","1") = "7"
    & skf18("6","8","5","4","2","6","1") = "7"
    & skf18("6","8","5","4","2","7","1") = "7"
    & skf18("6","8","5","4","2","8","1") = "7"
    & skf18("6","8","5","4","2","9","1") = "8"
    & skf18("6","8","5","4","2","10","1") = "9"
    & skf18("6","8","5","4","3","1","1") = "7"
    & skf18("6","8","5","4","3","2","1") = "7"
    & skf18("6","8","5","4","3","3","1") = "7"
    & skf18("6","8","5","4","3","4","1") = "7"
    & skf18("6","8","5","4","3","5","1") = "7"
    & skf18("6","8","5","4","3","6","1") = "7"
    & skf18("6","8","5","4","3","7","1") = "7"
    & skf18("6","8","5","4","3","8","1") = "7"
    & skf18("6","8","5","4","3","9","1") = "8"
    & skf18("6","8","5","4","3","10","1") = "9"
    & skf18("6","8","5","4","4","1","1") = "7"
    & skf18("6","8","5","4","4","2","1") = "7"
    & skf18("6","8","5","4","4","3","1") = "7"
    & skf18("6","8","5","4","4","4","1") = "7"
    & skf18("6","8","5","4","4","5","1") = "7"
    & skf18("6","8","5","4","4","6","1") = "7"
    & skf18("6","8","5","4","4","7","1") = "7"
    & skf18("6","8","5","4","4","8","1") = "7"
    & skf18("6","8","5","4","4","9","1") = "8"
    & skf18("6","8","5","4","4","10","1") = "9"
    & skf18("6","8","5","4","5","1","1") = "7"
    & skf18("6","8","5","4","5","2","1") = "7"
    & skf18("6","8","5","4","5","3","1") = "7"
    & skf18("6","8","5","4","5","4","1") = "7"
    & skf18("6","8","5","4","5","5","1") = "7"
    & skf18("6","8","5","4","5","6","1") = "7"
    & skf18("6","8","5","4","5","7","1") = "7"
    & skf18("6","8","5","4","5","8","1") = "7"
    & skf18("6","8","5","4","5","9","1") = "8"
    & skf18("6","8","5","4","5","10","1") = "9"
    & skf18("6","8","5","4","6","1","1") = "7"
    & skf18("6","8","5","4","6","2","1") = "7"
    & skf18("6","8","5","4","6","3","1") = "7"
    & skf18("6","8","5","4","6","4","1") = "7"
    & skf18("6","8","5","4","6","5","1") = "7"
    & skf18("6","8","5","4","6","6","1") = "7"
    & skf18("6","8","5","4","6","7","1") = "7"
    & skf18("6","8","5","4","6","8","1") = "7"
    & skf18("6","8","5","4","6","9","1") = "8"
    & skf18("6","8","5","4","6","10","1") = "9"
    & skf18("6","8","5","4","7","1","1") = "7"
    & skf18("6","8","5","4","7","2","1") = "7"
    & skf18("6","8","5","4","7","3","1") = "7"
    & skf18("6","8","5","4","7","4","1") = "7"
    & skf18("6","8","5","4","7","5","1") = "7"
    & skf18("6","8","5","4","7","6","1") = "7"
    & skf18("6","8","5","4","7","7","1") = "7"
    & skf18("6","8","5","4","7","8","1") = "7"
    & skf18("6","8","5","4","7","9","1") = "8"
    & skf18("6","8","5","4","7","10","1") = "9"
    & skf18("6","8","5","4","8","1","1") = "7"
    & skf18("6","8","5","4","8","2","1") = "7"
    & skf18("6","8","5","4","8","3","1") = "7"
    & skf18("6","8","5","4","8","4","1") = "7"
    & skf18("6","8","5","4","8","5","1") = "7"
    & skf18("6","8","5","4","8","6","1") = "7"
    & skf18("6","8","5","4","8","7","1") = "7"
    & skf18("6","8","5","4","8","8","1") = "7"
    & skf18("6","8","5","4","8","9","1") = "8"
    & skf18("6","8","5","4","8","10","1") = "9"
    & skf18("6","8","5","4","9","1","1") = "8"
    & skf18("6","8","5","4","9","2","1") = "8"
    & skf18("6","8","5","4","9","3","1") = "8"
    & skf18("6","8","5","4","9","4","1") = "8"
    & skf18("6","8","5","4","9","5","1") = "8"
    & skf18("6","8","5","4","9","6","1") = "8"
    & skf18("6","8","5","4","9","7","1") = "8"
    & skf18("6","8","5","4","9","8","1") = "8"
    & skf18("6","8","5","4","9","9","1") = "8"
    & skf18("6","8","5","4","9","10","1") = "9"
    & skf18("6","8","5","4","10","1","1") = "9"
    & skf18("6","8","5","4","10","2","1") = "9"
    & skf18("6","8","5","4","10","3","1") = "9"
    & skf18("6","8","5","4","10","4","1") = "9"
    & skf18("6","8","5","4","10","5","1") = "9"
    & skf18("6","8","5","4","10","6","1") = "9"
    & skf18("6","8","5","4","10","7","1") = "9"
    & skf18("6","8","5","4","10","8","1") = "9"
    & skf18("6","8","5","4","10","9","1") = "9"
    & skf18("6","8","5","4","10","10","1") = "9"
    & skf18("6","8","5","5","1","1","1") = "7"
    & skf18("6","8","5","5","1","2","1") = "7"
    & skf18("6","8","5","5","1","3","1") = "7"
    & skf18("6","8","5","5","1","4","1") = "7"
    & skf18("6","8","5","5","1","5","1") = "7"
    & skf18("6","8","5","5","1","6","1") = "7"
    & skf18("6","8","5","5","1","7","1") = "7"
    & skf18("6","8","5","5","1","8","1") = "7"
    & skf18("6","8","5","5","1","9","1") = "8"
    & skf18("6","8","5","5","1","10","1") = "9"
    & skf18("6","8","5","5","2","1","1") = "7"
    & skf18("6","8","5","5","2","2","1") = "7"
    & skf18("6","8","5","5","2","3","1") = "7"
    & skf18("6","8","5","5","2","4","1") = "7"
    & skf18("6","8","5","5","2","5","1") = "7"
    & skf18("6","8","5","5","2","6","1") = "7"
    & skf18("6","8","5","5","2","7","1") = "7"
    & skf18("6","8","5","5","2","8","1") = "7"
    & skf18("6","8","5","5","2","9","1") = "8"
    & skf18("6","8","5","5","2","10","1") = "9"
    & skf18("6","8","5","5","3","1","1") = "7"
    & skf18("6","8","5","5","3","2","1") = "7"
    & skf18("6","8","5","5","3","3","1") = "7"
    & skf18("6","8","5","5","3","4","1") = "7"
    & skf18("6","8","5","5","3","5","1") = "7"
    & skf18("6","8","5","5","3","6","1") = "7"
    & skf18("6","8","5","5","3","7","1") = "7"
    & skf18("6","8","5","5","3","8","1") = "7"
    & skf18("6","8","5","5","3","9","1") = "8"
    & skf18("6","8","5","5","3","10","1") = "9"
    & skf18("6","8","5","5","4","1","1") = "7"
    & skf18("6","8","5","5","4","2","1") = "7"
    & skf18("6","8","5","5","4","3","1") = "7"
    & skf18("6","8","5","5","4","4","1") = "7"
    & skf18("6","8","5","5","4","5","1") = "7"
    & skf18("6","8","5","5","4","6","1") = "7"
    & skf18("6","8","5","5","4","7","1") = "7"
    & skf18("6","8","5","5","4","8","1") = "7"
    & skf18("6","8","5","5","4","9","1") = "8"
    & skf18("6","8","5","5","4","10","1") = "9"
    & skf18("6","8","5","5","5","1","1") = "7"
    & skf18("6","8","5","5","5","2","1") = "7"
    & skf18("6","8","5","5","5","3","1") = "7"
    & skf18("6","8","5","5","5","4","1") = "7"
    & skf18("6","8","5","5","5","5","1") = "7"
    & skf18("6","8","5","5","5","6","1") = "7"
    & skf18("6","8","5","5","5","7","1") = "7"
    & skf18("6","8","5","5","5","8","1") = "7"
    & skf18("6","8","5","5","5","9","1") = "8"
    & skf18("6","8","5","5","5","10","1") = "9"
    & skf18("6","8","5","5","6","1","1") = "7"
    & skf18("6","8","5","5","6","2","1") = "7"
    & skf18("6","8","5","5","6","3","1") = "7"
    & skf18("6","8","5","5","6","4","1") = "7"
    & skf18("6","8","5","5","6","5","1") = "7"
    & skf18("6","8","5","5","6","6","1") = "7"
    & skf18("6","8","5","5","6","7","1") = "7"
    & skf18("6","8","5","5","6","8","1") = "7"
    & skf18("6","8","5","5","6","9","1") = "8"
    & skf18("6","8","5","5","6","10","1") = "9"
    & skf18("6","8","5","5","7","1","1") = "7"
    & skf18("6","8","5","5","7","2","1") = "7"
    & skf18("6","8","5","5","7","3","1") = "7"
    & skf18("6","8","5","5","7","4","1") = "7"
    & skf18("6","8","5","5","7","5","1") = "7"
    & skf18("6","8","5","5","7","6","1") = "7"
    & skf18("6","8","5","5","7","7","1") = "7"
    & skf18("6","8","5","5","7","8","1") = "7"
    & skf18("6","8","5","5","7","9","1") = "8"
    & skf18("6","8","5","5","7","10","1") = "9"
    & skf18("6","8","5","5","8","1","1") = "7"
    & skf18("6","8","5","5","8","2","1") = "7"
    & skf18("6","8","5","5","8","3","1") = "7"
    & skf18("6","8","5","5","8","4","1") = "7"
    & skf18("6","8","5","5","8","5","1") = "7"
    & skf18("6","8","5","5","8","6","1") = "7"
    & skf18("6","8","5","5","8","7","1") = "7"
    & skf18("6","8","5","5","8","8","1") = "7"
    & skf18("6","8","5","5","8","9","1") = "8"
    & skf18("6","8","5","5","8","10","1") = "9"
    & skf18("6","8","5","5","9","1","1") = "8"
    & skf18("6","8","5","5","9","2","1") = "8"
    & skf18("6","8","5","5","9","3","1") = "8"
    & skf18("6","8","5","5","9","4","1") = "8"
    & skf18("6","8","5","5","9","5","1") = "8"
    & skf18("6","8","5","5","9","6","1") = "8"
    & skf18("6","8","5","5","9","7","1") = "8"
    & skf18("6","8","5","5","9","8","1") = "8"
    & skf18("6","8","5","5","9","9","1") = "8"
    & skf18("6","8","5","5","9","10","1") = "9"
    & skf18("6","8","5","5","10","1","1") = "9"
    & skf18("6","8","5","5","10","2","1") = "9"
    & skf18("6","8","5","5","10","3","1") = "9"
    & skf18("6","8","5","5","10","4","1") = "9"
    & skf18("6","8","5","5","10","5","1") = "9"
    & skf18("6","8","5","5","10","6","1") = "9"
    & skf18("6","8","5","5","10","7","1") = "9"
    & skf18("6","8","5","5","10","8","1") = "9"
    & skf18("6","8","5","5","10","9","1") = "9"
    & skf18("6","8","5","5","10","10","1") = "9"
    & skf18("6","8","5","6","1","1","1") = "7"
    & skf18("6","8","5","6","1","2","1") = "7"
    & skf18("6","8","5","6","1","3","1") = "7"
    & skf18("6","8","5","6","1","4","1") = "7"
    & skf18("6","8","5","6","1","5","1") = "7"
    & skf18("6","8","5","6","1","6","1") = "7"
    & skf18("6","8","5","6","1","7","1") = "7"
    & skf18("6","8","5","6","1","8","1") = "7"
    & skf18("6","8","5","6","1","9","1") = "8"
    & skf18("6","8","5","6","1","10","1") = "9"
    & skf18("6","8","5","6","2","1","1") = "7"
    & skf18("6","8","5","6","2","2","1") = "7"
    & skf18("6","8","5","6","2","3","1") = "7"
    & skf18("6","8","5","6","2","4","1") = "7"
    & skf18("6","8","5","6","2","5","1") = "7"
    & skf18("6","8","5","6","2","6","1") = "7"
    & skf18("6","8","5","6","2","7","1") = "7"
    & skf18("6","8","5","6","2","8","1") = "7"
    & skf18("6","8","5","6","2","9","1") = "8"
    & skf18("6","8","5","6","2","10","1") = "9"
    & skf18("6","8","5","6","3","1","1") = "7"
    & skf18("6","8","5","6","3","2","1") = "7"
    & skf18("6","8","5","6","3","3","1") = "7"
    & skf18("6","8","5","6","3","4","1") = "7"
    & skf18("6","8","5","6","3","5","1") = "7"
    & skf18("6","8","5","6","3","6","1") = "7"
    & skf18("6","8","5","6","3","7","1") = "7"
    & skf18("6","8","5","6","3","8","1") = "7"
    & skf18("6","8","5","6","3","9","1") = "8"
    & skf18("6","8","5","6","3","10","1") = "9"
    & skf18("6","8","5","6","4","1","1") = "7"
    & skf18("6","8","5","6","4","2","1") = "7"
    & skf18("6","8","5","6","4","3","1") = "7"
    & skf18("6","8","5","6","4","4","1") = "7"
    & skf18("6","8","5","6","4","5","1") = "7"
    & skf18("6","8","5","6","4","6","1") = "7"
    & skf18("6","8","5","6","4","7","1") = "7"
    & skf18("6","8","5","6","4","8","1") = "7"
    & skf18("6","8","5","6","4","9","1") = "8"
    & skf18("6","8","5","6","4","10","1") = "9"
    & skf18("6","8","5","6","5","1","1") = "7"
    & skf18("6","8","5","6","5","2","1") = "7"
    & skf18("6","8","5","6","5","3","1") = "7"
    & skf18("6","8","5","6","5","4","1") = "7"
    & skf18("6","8","5","6","5","5","1") = "7"
    & skf18("6","8","5","6","5","6","1") = "7"
    & skf18("6","8","5","6","5","7","1") = "7"
    & skf18("6","8","5","6","5","8","1") = "7"
    & skf18("6","8","5","6","5","9","1") = "8"
    & skf18("6","8","5","6","5","10","1") = "9"
    & skf18("6","8","5","6","6","1","1") = "7"
    & skf18("6","8","5","6","6","2","1") = "7"
    & skf18("6","8","5","6","6","3","1") = "7"
    & skf18("6","8","5","6","6","4","1") = "7"
    & skf18("6","8","5","6","6","5","1") = "7"
    & skf18("6","8","5","6","6","6","1") = "7"
    & skf18("6","8","5","6","6","7","1") = "7"
    & skf18("6","8","5","6","6","8","1") = "7"
    & skf18("6","8","5","6","6","9","1") = "8"
    & skf18("6","8","5","6","6","10","1") = "9"
    & skf18("6","8","5","6","7","1","1") = "7"
    & skf18("6","8","5","6","7","2","1") = "7"
    & skf18("6","8","5","6","7","3","1") = "7"
    & skf18("6","8","5","6","7","4","1") = "7"
    & skf18("6","8","5","6","7","5","1") = "7"
    & skf18("6","8","5","6","7","6","1") = "7"
    & skf18("6","8","5","6","7","7","1") = "7"
    & skf18("6","8","5","6","7","8","1") = "7"
    & skf18("6","8","5","6","7","9","1") = "8"
    & skf18("6","8","5","6","7","10","1") = "9"
    & skf18("6","8","5","6","8","1","1") = "7"
    & skf18("6","8","5","6","8","2","1") = "7"
    & skf18("6","8","5","6","8","3","1") = "7"
    & skf18("6","8","5","6","8","4","1") = "7"
    & skf18("6","8","5","6","8","5","1") = "7"
    & skf18("6","8","5","6","8","6","1") = "7"
    & skf18("6","8","5","6","8","7","1") = "7"
    & skf18("6","8","5","6","8","8","1") = "7"
    & skf18("6","8","5","6","8","9","1") = "8"
    & skf18("6","8","5","6","8","10","1") = "9"
    & skf18("6","8","5","6","9","1","1") = "8"
    & skf18("6","8","5","6","9","2","1") = "8"
    & skf18("6","8","5","6","9","3","1") = "8"
    & skf18("6","8","5","6","9","4","1") = "8"
    & skf18("6","8","5","6","9","5","1") = "8"
    & skf18("6","8","5","6","9","6","1") = "8"
    & skf18("6","8","5","6","9","7","1") = "8"
    & skf18("6","8","5","6","9","8","1") = "8"
    & skf18("6","8","5","6","9","9","1") = "8"
    & skf18("6","8","5","6","9","10","1") = "9"
    & skf18("6","8","5","6","10","1","1") = "9"
    & skf18("6","8","5","6","10","2","1") = "9"
    & skf18("6","8","5","6","10","3","1") = "9"
    & skf18("6","8","5","6","10","4","1") = "9"
    & skf18("6","8","5","6","10","5","1") = "9"
    & skf18("6","8","5","6","10","6","1") = "9"
    & skf18("6","8","5","6","10","7","1") = "9"
    & skf18("6","8","5","6","10","8","1") = "9"
    & skf18("6","8","5","6","10","9","1") = "9"
    & skf18("6","8","5","6","10","10","1") = "9"
    & skf18("6","8","5","7","1","1","1") = "7"
    & skf18("6","8","5","7","1","2","1") = "7"
    & skf18("6","8","5","7","1","3","1") = "7"
    & skf18("6","8","5","7","1","4","1") = "7"
    & skf18("6","8","5","7","1","5","1") = "7"
    & skf18("6","8","5","7","1","6","1") = "7"
    & skf18("6","8","5","7","1","7","1") = "7"
    & skf18("6","8","5","7","1","8","1") = "7"
    & skf18("6","8","5","7","1","9","1") = "8"
    & skf18("6","8","5","7","1","10","1") = "9"
    & skf18("6","8","5","7","2","1","1") = "7"
    & skf18("6","8","5","7","2","2","1") = "7"
    & skf18("6","8","5","7","2","3","1") = "7"
    & skf18("6","8","5","7","2","4","1") = "7"
    & skf18("6","8","5","7","2","5","1") = "7"
    & skf18("6","8","5","7","2","6","1") = "7"
    & skf18("6","8","5","7","2","7","1") = "7"
    & skf18("6","8","5","7","2","8","1") = "7"
    & skf18("6","8","5","7","2","9","1") = "8"
    & skf18("6","8","5","7","2","10","1") = "9"
    & skf18("6","8","5","7","3","1","1") = "7"
    & skf18("6","8","5","7","3","2","1") = "7"
    & skf18("6","8","5","7","3","3","1") = "7"
    & skf18("6","8","5","7","3","4","1") = "7"
    & skf18("6","8","5","7","3","5","1") = "7"
    & skf18("6","8","5","7","3","6","1") = "7"
    & skf18("6","8","5","7","3","7","1") = "7"
    & skf18("6","8","5","7","3","8","1") = "7"
    & skf18("6","8","5","7","3","9","1") = "8"
    & skf18("6","8","5","7","3","10","1") = "9"
    & skf18("6","8","5","7","4","1","1") = "7"
    & skf18("6","8","5","7","4","2","1") = "7"
    & skf18("6","8","5","7","4","3","1") = "7"
    & skf18("6","8","5","7","4","4","1") = "7"
    & skf18("6","8","5","7","4","5","1") = "7"
    & skf18("6","8","5","7","4","6","1") = "7"
    & skf18("6","8","5","7","4","7","1") = "7"
    & skf18("6","8","5","7","4","8","1") = "7"
    & skf18("6","8","5","7","4","9","1") = "8"
    & skf18("6","8","5","7","4","10","1") = "9"
    & skf18("6","8","5","7","5","1","1") = "7"
    & skf18("6","8","5","7","5","2","1") = "7"
    & skf18("6","8","5","7","5","3","1") = "7"
    & skf18("6","8","5","7","5","4","1") = "7"
    & skf18("6","8","5","7","5","5","1") = "7"
    & skf18("6","8","5","7","5","6","1") = "7"
    & skf18("6","8","5","7","5","7","1") = "7"
    & skf18("6","8","5","7","5","8","1") = "7"
    & skf18("6","8","5","7","5","9","1") = "8"
    & skf18("6","8","5","7","5","10","1") = "9"
    & skf18("6","8","5","7","6","1","1") = "7"
    & skf18("6","8","5","7","6","2","1") = "7"
    & skf18("6","8","5","7","6","3","1") = "7"
    & skf18("6","8","5","7","6","4","1") = "7"
    & skf18("6","8","5","7","6","5","1") = "7"
    & skf18("6","8","5","7","6","6","1") = "7"
    & skf18("6","8","5","7","6","7","1") = "7"
    & skf18("6","8","5","7","6","8","1") = "7"
    & skf18("6","8","5","7","6","9","1") = "8"
    & skf18("6","8","5","7","6","10","1") = "9"
    & skf18("6","8","5","7","7","1","1") = "7"
    & skf18("6","8","5","7","7","2","1") = "7"
    & skf18("6","8","5","7","7","3","1") = "7"
    & skf18("6","8","5","7","7","4","1") = "7"
    & skf18("6","8","5","7","7","5","1") = "7"
    & skf18("6","8","5","7","7","6","1") = "7"
    & skf18("6","8","5","7","7","7","1") = "7"
    & skf18("6","8","5","7","7","8","1") = "7"
    & skf18("6","8","5","7","7","9","1") = "8"
    & skf18("6","8","5","7","7","10","1") = "9"
    & skf18("6","8","5","7","8","1","1") = "7"
    & skf18("6","8","5","7","8","2","1") = "7"
    & skf18("6","8","5","7","8","3","1") = "7"
    & skf18("6","8","5","7","8","4","1") = "7"
    & skf18("6","8","5","7","8","5","1") = "7"
    & skf18("6","8","5","7","8","6","1") = "7"
    & skf18("6","8","5","7","8","7","1") = "7"
    & skf18("6","8","5","7","8","8","1") = "7"
    & skf18("6","8","5","7","8","9","1") = "8"
    & skf18("6","8","5","7","8","10","1") = "9"
    & skf18("6","8","5","7","9","1","1") = "8"
    & skf18("6","8","5","7","9","2","1") = "8"
    & skf18("6","8","5","7","9","3","1") = "8"
    & skf18("6","8","5","7","9","4","1") = "8"
    & skf18("6","8","5","7","9","5","1") = "8"
    & skf18("6","8","5","7","9","6","1") = "8"
    & skf18("6","8","5","7","9","7","1") = "8"
    & skf18("6","8","5","7","9","8","1") = "8"
    & skf18("6","8","5","7","9","9","1") = "8"
    & skf18("6","8","5","7","9","10","1") = "9"
    & skf18("6","8","5","7","10","1","1") = "9"
    & skf18("6","8","5","7","10","2","1") = "9"
    & skf18("6","8","5","7","10","3","1") = "9"
    & skf18("6","8","5","7","10","4","1") = "9"
    & skf18("6","8","5","7","10","5","1") = "9"
    & skf18("6","8","5","7","10","6","1") = "9"
    & skf18("6","8","5","7","10","7","1") = "9"
    & skf18("6","8","5","7","10","8","1") = "9"
    & skf18("6","8","5","7","10","9","1") = "9"
    & skf18("6","8","5","7","10","10","1") = "9"
    & skf18("6","8","5","8","1","1","1") = "7"
    & skf18("6","8","5","8","1","2","1") = "7"
    & skf18("6","8","5","8","1","3","1") = "7"
    & skf18("6","8","5","8","1","4","1") = "7"
    & skf18("6","8","5","8","1","5","1") = "7"
    & skf18("6","8","5","8","1","6","1") = "7"
    & skf18("6","8","5","8","1","7","1") = "7"
    & skf18("6","8","5","8","1","8","1") = "7"
    & skf18("6","8","5","8","1","9","1") = "8"
    & skf18("6","8","5","8","1","10","1") = "9"
    & skf18("6","8","5","8","2","1","1") = "7"
    & skf18("6","8","5","8","2","2","1") = "7"
    & skf18("6","8","5","8","2","3","1") = "7"
    & skf18("6","8","5","8","2","4","1") = "7"
    & skf18("6","8","5","8","2","5","1") = "7"
    & skf18("6","8","5","8","2","6","1") = "7"
    & skf18("6","8","5","8","2","7","1") = "7"
    & skf18("6","8","5","8","2","8","1") = "7"
    & skf18("6","8","5","8","2","9","1") = "8"
    & skf18("6","8","5","8","2","10","1") = "9"
    & skf18("6","8","5","8","3","1","1") = "7"
    & skf18("6","8","5","8","3","2","1") = "7"
    & skf18("6","8","5","8","3","3","1") = "7"
    & skf18("6","8","5","8","3","4","1") = "7"
    & skf18("6","8","5","8","3","5","1") = "7"
    & skf18("6","8","5","8","3","6","1") = "7"
    & skf18("6","8","5","8","3","7","1") = "7"
    & skf18("6","8","5","8","3","8","1") = "7"
    & skf18("6","8","5","8","3","9","1") = "8"
    & skf18("6","8","5","8","3","10","1") = "9"
    & skf18("6","8","5","8","4","1","1") = "7"
    & skf18("6","8","5","8","4","2","1") = "7"
    & skf18("6","8","5","8","4","3","1") = "7"
    & skf18("6","8","5","8","4","4","1") = "7"
    & skf18("6","8","5","8","4","5","1") = "7"
    & skf18("6","8","5","8","4","6","1") = "7"
    & skf18("6","8","5","8","4","7","1") = "7"
    & skf18("6","8","5","8","4","8","1") = "7"
    & skf18("6","8","5","8","4","9","1") = "8"
    & skf18("6","8","5","8","4","10","1") = "9"
    & skf18("6","8","5","8","5","1","1") = "7"
    & skf18("6","8","5","8","5","2","1") = "7"
    & skf18("6","8","5","8","5","3","1") = "7"
    & skf18("6","8","5","8","5","4","1") = "7"
    & skf18("6","8","5","8","5","5","1") = "7"
    & skf18("6","8","5","8","5","6","1") = "7"
    & skf18("6","8","5","8","5","7","1") = "7"
    & skf18("6","8","5","8","5","8","1") = "7"
    & skf18("6","8","5","8","5","9","1") = "8"
    & skf18("6","8","5","8","5","10","1") = "9"
    & skf18("6","8","5","8","6","1","1") = "7"
    & skf18("6","8","5","8","6","2","1") = "7"
    & skf18("6","8","5","8","6","3","1") = "7"
    & skf18("6","8","5","8","6","4","1") = "7"
    & skf18("6","8","5","8","6","5","1") = "7"
    & skf18("6","8","5","8","6","6","1") = "7"
    & skf18("6","8","5","8","6","7","1") = "7"
    & skf18("6","8","5","8","6","8","1") = "7"
    & skf18("6","8","5","8","6","9","1") = "8"
    & skf18("6","8","5","8","6","10","1") = "9"
    & skf18("6","8","5","8","7","1","1") = "7"
    & skf18("6","8","5","8","7","2","1") = "7"
    & skf18("6","8","5","8","7","3","1") = "7"
    & skf18("6","8","5","8","7","4","1") = "7"
    & skf18("6","8","5","8","7","5","1") = "7"
    & skf18("6","8","5","8","7","6","1") = "7"
    & skf18("6","8","5","8","7","7","1") = "7"
    & skf18("6","8","5","8","7","8","1") = "7"
    & skf18("6","8","5","8","7","9","1") = "8"
    & skf18("6","8","5","8","7","10","1") = "9"
    & skf18("6","8","5","8","8","1","1") = "7"
    & skf18("6","8","5","8","8","2","1") = "7"
    & skf18("6","8","5","8","8","3","1") = "7"
    & skf18("6","8","5","8","8","4","1") = "7"
    & skf18("6","8","5","8","8","5","1") = "7"
    & skf18("6","8","5","8","8","6","1") = "7"
    & skf18("6","8","5","8","8","7","1") = "7"
    & skf18("6","8","5","8","8","8","1") = "7"
    & skf18("6","8","5","8","8","9","1") = "8"
    & skf18("6","8","5","8","8","10","1") = "9"
    & skf18("6","8","5","8","9","1","1") = "8"
    & skf18("6","8","5","8","9","2","1") = "8"
    & skf18("6","8","5","8","9","3","1") = "8"
    & skf18("6","8","5","8","9","4","1") = "8"
    & skf18("6","8","5","8","9","5","1") = "8"
    & skf18("6","8","5","8","9","6","1") = "8"
    & skf18("6","8","5","8","9","7","1") = "8"
    & skf18("6","8","5","8","9","8","1") = "8"
    & skf18("6","8","5","8","9","9","1") = "8"
    & skf18("6","8","5","8","9","10","1") = "9"
    & skf18("6","8","5","8","10","1","1") = "9"
    & skf18("6","8","5","8","10","2","1") = "9"
    & skf18("6","8","5","8","10","3","1") = "9"
    & skf18("6","8","5","8","10","4","1") = "9"
    & skf18("6","8","5","8","10","5","1") = "9"
    & skf18("6","8","5","8","10","6","1") = "9"
    & skf18("6","8","5","8","10","7","1") = "9"
    & skf18("6","8","5","8","10","8","1") = "9"
    & skf18("6","8","5","8","10","9","1") = "9"
    & skf18("6","8","5","8","10","10","1") = "9"
    & skf18("6","8","5","9","1","1","1") = "8"
    & skf18("6","8","5","9","1","2","1") = "8"
    & skf18("6","8","5","9","1","3","1") = "8"
    & skf18("6","8","5","9","1","4","1") = "8"
    & skf18("6","8","5","9","1","5","1") = "8"
    & skf18("6","8","5","9","1","6","1") = "8"
    & skf18("6","8","5","9","1","7","1") = "8"
    & skf18("6","8","5","9","1","8","1") = "8"
    & skf18("6","8","5","9","1","9","1") = "8"
    & skf18("6","8","5","9","1","10","1") = "9"
    & skf18("6","8","5","9","2","1","1") = "8"
    & skf18("6","8","5","9","2","2","1") = "8"
    & skf18("6","8","5","9","2","3","1") = "8"
    & skf18("6","8","5","9","2","4","1") = "8"
    & skf18("6","8","5","9","2","5","1") = "8"
    & skf18("6","8","5","9","2","6","1") = "8"
    & skf18("6","8","5","9","2","7","1") = "8"
    & skf18("6","8","5","9","2","8","1") = "8"
    & skf18("6","8","5","9","2","9","1") = "8"
    & skf18("6","8","5","9","2","10","1") = "9"
    & skf18("6","8","5","9","3","1","1") = "8"
    & skf18("6","8","5","9","3","2","1") = "8"
    & skf18("6","8","5","9","3","3","1") = "8"
    & skf18("6","8","5","9","3","4","1") = "8"
    & skf18("6","8","5","9","3","5","1") = "8"
    & skf18("6","8","5","9","3","6","1") = "8"
    & skf18("6","8","5","9","3","7","1") = "8"
    & skf18("6","8","5","9","3","8","1") = "8"
    & skf18("6","8","5","9","3","9","1") = "8"
    & skf18("6","8","5","9","3","10","1") = "9"
    & skf18("6","8","5","9","4","1","1") = "8"
    & skf18("6","8","5","9","4","2","1") = "8"
    & skf18("6","8","5","9","4","3","1") = "8"
    & skf18("6","8","5","9","4","4","1") = "8"
    & skf18("6","8","5","9","4","5","1") = "8"
    & skf18("6","8","5","9","4","6","1") = "8"
    & skf18("6","8","5","9","4","7","1") = "8"
    & skf18("6","8","5","9","4","8","1") = "8"
    & skf18("6","8","5","9","4","9","1") = "8"
    & skf18("6","8","5","9","4","10","1") = "9"
    & skf18("6","8","5","9","5","1","1") = "8"
    & skf18("6","8","5","9","5","2","1") = "8"
    & skf18("6","8","5","9","5","3","1") = "8"
    & skf18("6","8","5","9","5","4","1") = "8"
    & skf18("6","8","5","9","5","5","1") = "8"
    & skf18("6","8","5","9","5","6","1") = "8"
    & skf18("6","8","5","9","5","7","1") = "8"
    & skf18("6","8","5","9","5","8","1") = "8"
    & skf18("6","8","5","9","5","9","1") = "8"
    & skf18("6","8","5","9","5","10","1") = "9"
    & skf18("6","8","5","9","6","1","1") = "8"
    & skf18("6","8","5","9","6","2","1") = "8"
    & skf18("6","8","5","9","6","3","1") = "8"
    & skf18("6","8","5","9","6","4","1") = "8"
    & skf18("6","8","5","9","6","5","1") = "8"
    & skf18("6","8","5","9","6","6","1") = "8"
    & skf18("6","8","5","9","6","7","1") = "8"
    & skf18("6","8","5","9","6","8","1") = "8"
    & skf18("6","8","5","9","6","9","1") = "8"
    & skf18("6","8","5","9","6","10","1") = "9"
    & skf18("6","8","5","9","7","1","1") = "8"
    & skf18("6","8","5","9","7","2","1") = "8"
    & skf18("6","8","5","9","7","3","1") = "8"
    & skf18("6","8","5","9","7","4","1") = "8"
    & skf18("6","8","5","9","7","5","1") = "8"
    & skf18("6","8","5","9","7","6","1") = "8"
    & skf18("6","8","5","9","7","7","1") = "8"
    & skf18("6","8","5","9","7","8","1") = "8"
    & skf18("6","8","5","9","7","9","1") = "8"
    & skf18("6","8","5","9","7","10","1") = "9"
    & skf18("6","8","5","9","8","1","1") = "8"
    & skf18("6","8","5","9","8","2","1") = "8"
    & skf18("6","8","5","9","8","3","1") = "8"
    & skf18("6","8","5","9","8","4","1") = "8"
    & skf18("6","8","5","9","8","5","1") = "8"
    & skf18("6","8","5","9","8","6","1") = "8"
    & skf18("6","8","5","9","8","7","1") = "8"
    & skf18("6","8","5","9","8","8","1") = "8"
    & skf18("6","8","5","9","8","9","1") = "8"
    & skf18("6","8","5","9","8","10","1") = "9"
    & skf18("6","8","5","9","9","1","1") = "8"
    & skf18("6","8","5","9","9","2","1") = "8"
    & skf18("6","8","5","9","9","3","1") = "8"
    & skf18("6","8","5","9","9","4","1") = "8"
    & skf18("6","8","5","9","9","5","1") = "8"
    & skf18("6","8","5","9","9","6","1") = "8"
    & skf18("6","8","5","9","9","7","1") = "8"
    & skf18("6","8","5","9","9","8","1") = "8"
    & skf18("6","8","5","9","9","9","1") = "8"
    & skf18("6","8","5","9","9","10","1") = "9"
    & skf18("6","8","5","9","10","1","1") = "9"
    & skf18("6","8","5","9","10","2","1") = "9"
    & skf18("6","8","5","9","10","3","1") = "9"
    & skf18("6","8","5","9","10","4","1") = "9"
    & skf18("6","8","5","9","10","5","1") = "9"
    & skf18("6","8","5","9","10","6","1") = "9"
    & skf18("6","8","5","9","10","7","1") = "9"
    & skf18("6","8","5","9","10","8","1") = "9"
    & skf18("6","8","5","9","10","9","1") = "9"
    & skf18("6","8","5","9","10","10","1") = "9"
    & skf18("6","8","5","10","1","1","1") = "9"
    & skf18("6","8","5","10","1","2","1") = "9"
    & skf18("6","8","5","10","1","3","1") = "9"
    & skf18("6","8","5","10","1","4","1") = "9"
    & skf18("6","8","5","10","1","5","1") = "9"
    & skf18("6","8","5","10","1","6","1") = "9"
    & skf18("6","8","5","10","1","7","1") = "9"
    & skf18("6","8","5","10","1","8","1") = "9"
    & skf18("6","8","5","10","1","9","1") = "9"
    & skf18("6","8","5","10","1","10","1") = "9"
    & skf18("6","8","5","10","2","1","1") = "9"
    & skf18("6","8","5","10","2","2","1") = "9"
    & skf18("6","8","5","10","2","3","1") = "9"
    & skf18("6","8","5","10","2","4","1") = "9"
    & skf18("6","8","5","10","2","5","1") = "9"
    & skf18("6","8","5","10","2","6","1") = "9"
    & skf18("6","8","5","10","2","7","1") = "9"
    & skf18("6","8","5","10","2","8","1") = "9"
    & skf18("6","8","5","10","2","9","1") = "9"
    & skf18("6","8","5","10","2","10","1") = "9"
    & skf18("6","8","5","10","3","1","1") = "9"
    & skf18("6","8","5","10","3","2","1") = "9"
    & skf18("6","8","5","10","3","3","1") = "9"
    & skf18("6","8","5","10","3","4","1") = "9"
    & skf18("6","8","5","10","3","5","1") = "9"
    & skf18("6","8","5","10","3","6","1") = "9"
    & skf18("6","8","5","10","3","7","1") = "9"
    & skf18("6","8","5","10","3","8","1") = "9"
    & skf18("6","8","5","10","3","9","1") = "9"
    & skf18("6","8","5","10","3","10","1") = "9"
    & skf18("6","8","5","10","4","1","1") = "9"
    & skf18("6","8","5","10","4","2","1") = "9"
    & skf18("6","8","5","10","4","3","1") = "9"
    & skf18("6","8","5","10","4","4","1") = "9"
    & skf18("6","8","5","10","4","5","1") = "9"
    & skf18("6","8","5","10","4","6","1") = "9"
    & skf18("6","8","5","10","4","7","1") = "9"
    & skf18("6","8","5","10","4","8","1") = "9"
    & skf18("6","8","5","10","4","9","1") = "9"
    & skf18("6","8","5","10","4","10","1") = "9"
    & skf18("6","8","5","10","5","1","1") = "9"
    & skf18("6","8","5","10","5","2","1") = "9"
    & skf18("6","8","5","10","5","3","1") = "9"
    & skf18("6","8","5","10","5","4","1") = "9"
    & skf18("6","8","5","10","5","5","1") = "9"
    & skf18("6","8","5","10","5","6","1") = "9"
    & skf18("6","8","5","10","5","7","1") = "9"
    & skf18("6","8","5","10","5","8","1") = "9"
    & skf18("6","8","5","10","5","9","1") = "9"
    & skf18("6","8","5","10","5","10","1") = "9"
    & skf18("6","8","5","10","6","1","1") = "9"
    & skf18("6","8","5","10","6","2","1") = "9"
    & skf18("6","8","5","10","6","3","1") = "9"
    & skf18("6","8","5","10","6","4","1") = "9"
    & skf18("6","8","5","10","6","5","1") = "9"
    & skf18("6","8","5","10","6","6","1") = "9"
    & skf18("6","8","5","10","6","7","1") = "9"
    & skf18("6","8","5","10","6","8","1") = "9"
    & skf18("6","8","5","10","6","9","1") = "9"
    & skf18("6","8","5","10","6","10","1") = "9"
    & skf18("6","8","5","10","7","1","1") = "9"
    & skf18("6","8","5","10","7","2","1") = "9"
    & skf18("6","8","5","10","7","3","1") = "9"
    & skf18("6","8","5","10","7","4","1") = "9"
    & skf18("6","8","5","10","7","5","1") = "9"
    & skf18("6","8","5","10","7","6","1") = "9"
    & skf18("6","8","5","10","7","7","1") = "9"
    & skf18("6","8","5","10","7","8","1") = "9"
    & skf18("6","8","5","10","7","9","1") = "9"
    & skf18("6","8","5","10","7","10","1") = "9"
    & skf18("6","8","5","10","8","1","1") = "9"
    & skf18("6","8","5","10","8","2","1") = "9"
    & skf18("6","8","5","10","8","3","1") = "9"
    & skf18("6","8","5","10","8","4","1") = "9"
    & skf18("6","8","5","10","8","5","1") = "9"
    & skf18("6","8","5","10","8","6","1") = "9"
    & skf18("6","8","5","10","8","7","1") = "9"
    & skf18("6","8","5","10","8","8","1") = "9"
    & skf18("6","8","5","10","8","9","1") = "9"
    & skf18("6","8","5","10","8","10","1") = "9"
    & skf18("6","8","5","10","9","1","1") = "9"
    & skf18("6","8","5","10","9","2","1") = "9"
    & skf18("6","8","5","10","9","3","1") = "9"
    & skf18("6","8","5","10","9","4","1") = "9"
    & skf18("6","8","5","10","9","5","1") = "9"
    & skf18("6","8","5","10","9","6","1") = "9"
    & skf18("6","8","5","10","9","7","1") = "9"
    & skf18("6","8","5","10","9","8","1") = "9"
    & skf18("6","8","5","10","9","9","1") = "9"
    & skf18("6","8","5","10","9","10","1") = "9"
    & skf18("6","8","5","10","10","1","1") = "9"
    & skf18("6","8","5","10","10","2","1") = "9"
    & skf18("6","8","5","10","10","3","1") = "9"
    & skf18("6","8","5","10","10","4","1") = "9"
    & skf18("6","8","5","10","10","5","1") = "9"
    & skf18("6","8","5","10","10","6","1") = "9"
    & skf18("6","8","5","10","10","7","1") = "9"
    & skf18("6","8","5","10","10","8","1") = "9"
    & skf18("6","8","5","10","10","9","1") = "9"
    & skf18("6","8","5","10","10","10","1") = "9"
    & skf18("6","8","6","1","1","1","1") = "7"
    & skf18("6","8","6","1","1","2","1") = "7"
    & skf18("6","8","6","1","1","3","1") = "7"
    & skf18("6","8","6","1","1","4","1") = "7"
    & skf18("6","8","6","1","1","5","1") = "7"
    & skf18("6","8","6","1","1","6","1") = "7"
    & skf18("6","8","6","1","1","7","1") = "7"
    & skf18("6","8","6","1","1","8","1") = "7"
    & skf18("6","8","6","1","1","9","1") = "8"
    & skf18("6","8","6","1","1","10","1") = "9"
    & skf18("6","8","6","1","2","1","1") = "7"
    & skf18("6","8","6","1","2","2","1") = "7"
    & skf18("6","8","6","1","2","3","1") = "7"
    & skf18("6","8","6","1","2","4","1") = "7"
    & skf18("6","8","6","1","2","5","1") = "7"
    & skf18("6","8","6","1","2","6","1") = "7"
    & skf18("6","8","6","1","2","7","1") = "7"
    & skf18("6","8","6","1","2","8","1") = "7"
    & skf18("6","8","6","1","2","9","1") = "8"
    & skf18("6","8","6","1","2","10","1") = "9"
    & skf18("6","8","6","1","3","1","1") = "7"
    & skf18("6","8","6","1","3","2","1") = "7"
    & skf18("6","8","6","1","3","3","1") = "7"
    & skf18("6","8","6","1","3","4","1") = "7"
    & skf18("6","8","6","1","3","5","1") = "7"
    & skf18("6","8","6","1","3","6","1") = "7"
    & skf18("6","8","6","1","3","7","1") = "7"
    & skf18("6","8","6","1","3","8","1") = "7"
    & skf18("6","8","6","1","3","9","1") = "8"
    & skf18("6","8","6","1","3","10","1") = "9"
    & skf18("6","8","6","1","4","1","1") = "7"
    & skf18("6","8","6","1","4","2","1") = "7"
    & skf18("6","8","6","1","4","3","1") = "7"
    & skf18("6","8","6","1","4","4","1") = "7"
    & skf18("6","8","6","1","4","5","1") = "7"
    & skf18("6","8","6","1","4","6","1") = "7"
    & skf18("6","8","6","1","4","7","1") = "7"
    & skf18("6","8","6","1","4","8","1") = "7"
    & skf18("6","8","6","1","4","9","1") = "8"
    & skf18("6","8","6","1","4","10","1") = "9"
    & skf18("6","8","6","1","5","1","1") = "7"
    & skf18("6","8","6","1","5","2","1") = "7"
    & skf18("6","8","6","1","5","3","1") = "7"
    & skf18("6","8","6","1","5","4","1") = "7"
    & skf18("6","8","6","1","5","5","1") = "7"
    & skf18("6","8","6","1","5","6","1") = "7"
    & skf18("6","8","6","1","5","7","1") = "7"
    & skf18("6","8","6","1","5","8","1") = "7"
    & skf18("6","8","6","1","5","9","1") = "8"
    & skf18("6","8","6","1","5","10","1") = "9"
    & skf18("6","8","6","1","6","1","1") = "7"
    & skf18("6","8","6","1","6","2","1") = "7"
    & skf18("6","8","6","1","6","3","1") = "7"
    & skf18("6","8","6","1","6","4","1") = "7"
    & skf18("6","8","6","1","6","5","1") = "7"
    & skf18("6","8","6","1","6","6","1") = "7"
    & skf18("6","8","6","1","6","7","1") = "7"
    & skf18("6","8","6","1","6","8","1") = "7"
    & skf18("6","8","6","1","6","9","1") = "8"
    & skf18("6","8","6","1","6","10","1") = "9"
    & skf18("6","8","6","1","7","1","1") = "7"
    & skf18("6","8","6","1","7","2","1") = "7"
    & skf18("6","8","6","1","7","3","1") = "7"
    & skf18("6","8","6","1","7","4","1") = "7"
    & skf18("6","8","6","1","7","5","1") = "7"
    & skf18("6","8","6","1","7","6","1") = "7"
    & skf18("6","8","6","1","7","7","1") = "7"
    & skf18("6","8","6","1","7","8","1") = "7"
    & skf18("6","8","6","1","7","9","1") = "8"
    & skf18("6","8","6","1","7","10","1") = "9"
    & skf18("6","8","6","1","8","1","1") = "7"
    & skf18("6","8","6","1","8","2","1") = "7"
    & skf18("6","8","6","1","8","3","1") = "7"
    & skf18("6","8","6","1","8","4","1") = "7"
    & skf18("6","8","6","1","8","5","1") = "7"
    & skf18("6","8","6","1","8","6","1") = "7"
    & skf18("6","8","6","1","8","7","1") = "7"
    & skf18("6","8","6","1","8","8","1") = "7"
    & skf18("6","8","6","1","8","9","1") = "8"
    & skf18("6","8","6","1","8","10","1") = "9"
    & skf18("6","8","6","1","9","1","1") = "8"
    & skf18("6","8","6","1","9","2","1") = "8"
    & skf18("6","8","6","1","9","3","1") = "8"
    & skf18("6","8","6","1","9","4","1") = "8"
    & skf18("6","8","6","1","9","5","1") = "8"
    & skf18("6","8","6","1","9","6","1") = "8"
    & skf18("6","8","6","1","9","7","1") = "8"
    & skf18("6","8","6","1","9","8","1") = "8"
    & skf18("6","8","6","1","9","9","1") = "8"
    & skf18("6","8","6","1","9","10","1") = "9"
    & skf18("6","8","6","1","10","1","1") = "9"
    & skf18("6","8","6","1","10","2","1") = "9"
    & skf18("6","8","6","1","10","3","1") = "9"
    & skf18("6","8","6","1","10","4","1") = "9"
    & skf18("6","8","6","1","10","5","1") = "9"
    & skf18("6","8","6","1","10","6","1") = "9"
    & skf18("6","8","6","1","10","7","1") = "9"
    & skf18("6","8","6","1","10","8","1") = "9"
    & skf18("6","8","6","1","10","9","1") = "9"
    & skf18("6","8","6","1","10","10","1") = "9"
    & skf18("6","8","6","2","1","1","1") = "7"
    & skf18("6","8","6","2","1","2","1") = "7"
    & skf18("6","8","6","2","1","3","1") = "7"
    & skf18("6","8","6","2","1","4","1") = "7"
    & skf18("6","8","6","2","1","5","1") = "7"
    & skf18("6","8","6","2","1","6","1") = "7"
    & skf18("6","8","6","2","1","7","1") = "7"
    & skf18("6","8","6","2","1","8","1") = "7"
    & skf18("6","8","6","2","1","9","1") = "8"
    & skf18("6","8","6","2","1","10","1") = "9"
    & skf18("6","8","6","2","2","1","1") = "7"
    & skf18("6","8","6","2","2","2","1") = "7"
    & skf18("6","8","6","2","2","3","1") = "7"
    & skf18("6","8","6","2","2","4","1") = "7"
    & skf18("6","8","6","2","2","5","1") = "7"
    & skf18("6","8","6","2","2","6","1") = "7"
    & skf18("6","8","6","2","2","7","1") = "7"
    & skf18("6","8","6","2","2","8","1") = "7"
    & skf18("6","8","6","2","2","9","1") = "8"
    & skf18("6","8","6","2","2","10","1") = "9"
    & skf18("6","8","6","2","3","1","1") = "7"
    & skf18("6","8","6","2","3","2","1") = "7"
    & skf18("6","8","6","2","3","3","1") = "7"
    & skf18("6","8","6","2","3","4","1") = "7"
    & skf18("6","8","6","2","3","5","1") = "7"
    & skf18("6","8","6","2","3","6","1") = "7"
    & skf18("6","8","6","2","3","7","1") = "7"
    & skf18("6","8","6","2","3","8","1") = "7"
    & skf18("6","8","6","2","3","9","1") = "8"
    & skf18("6","8","6","2","3","10","1") = "9"
    & skf18("6","8","6","2","4","1","1") = "7"
    & skf18("6","8","6","2","4","2","1") = "7"
    & skf18("6","8","6","2","4","3","1") = "7"
    & skf18("6","8","6","2","4","4","1") = "7"
    & skf18("6","8","6","2","4","5","1") = "7"
    & skf18("6","8","6","2","4","6","1") = "7"
    & skf18("6","8","6","2","4","7","1") = "7"
    & skf18("6","8","6","2","4","8","1") = "7"
    & skf18("6","8","6","2","4","9","1") = "8"
    & skf18("6","8","6","2","4","10","1") = "9"
    & skf18("6","8","6","2","5","1","1") = "7"
    & skf18("6","8","6","2","5","2","1") = "7"
    & skf18("6","8","6","2","5","3","1") = "7"
    & skf18("6","8","6","2","5","4","1") = "7"
    & skf18("6","8","6","2","5","5","1") = "7"
    & skf18("6","8","6","2","5","6","1") = "7"
    & skf18("6","8","6","2","5","7","1") = "7"
    & skf18("6","8","6","2","5","8","1") = "7"
    & skf18("6","8","6","2","5","9","1") = "8"
    & skf18("6","8","6","2","5","10","1") = "9"
    & skf18("6","8","6","2","6","1","1") = "7"
    & skf18("6","8","6","2","6","2","1") = "7"
    & skf18("6","8","6","2","6","3","1") = "7"
    & skf18("6","8","6","2","6","4","1") = "7"
    & skf18("6","8","6","2","6","5","1") = "7"
    & skf18("6","8","6","2","6","6","1") = "7"
    & skf18("6","8","6","2","6","7","1") = "7"
    & skf18("6","8","6","2","6","8","1") = "7"
    & skf18("6","8","6","2","6","9","1") = "8"
    & skf18("6","8","6","2","6","10","1") = "9"
    & skf18("6","8","6","2","7","1","1") = "7"
    & skf18("6","8","6","2","7","2","1") = "7"
    & skf18("6","8","6","2","7","3","1") = "7"
    & skf18("6","8","6","2","7","4","1") = "7"
    & skf18("6","8","6","2","7","5","1") = "7"
    & skf18("6","8","6","2","7","6","1") = "7"
    & skf18("6","8","6","2","7","7","1") = "7"
    & skf18("6","8","6","2","7","8","1") = "7"
    & skf18("6","8","6","2","7","9","1") = "8"
    & skf18("6","8","6","2","7","10","1") = "9"
    & skf18("6","8","6","2","8","1","1") = "7"
    & skf18("6","8","6","2","8","2","1") = "7"
    & skf18("6","8","6","2","8","3","1") = "7"
    & skf18("6","8","6","2","8","4","1") = "7"
    & skf18("6","8","6","2","8","5","1") = "7"
    & skf18("6","8","6","2","8","6","1") = "7"
    & skf18("6","8","6","2","8","7","1") = "7"
    & skf18("6","8","6","2","8","8","1") = "7"
    & skf18("6","8","6","2","8","9","1") = "8"
    & skf18("6","8","6","2","8","10","1") = "9"
    & skf18("6","8","6","2","9","1","1") = "8"
    & skf18("6","8","6","2","9","2","1") = "8"
    & skf18("6","8","6","2","9","3","1") = "8"
    & skf18("6","8","6","2","9","4","1") = "8"
    & skf18("6","8","6","2","9","5","1") = "8"
    & skf18("6","8","6","2","9","6","1") = "8"
    & skf18("6","8","6","2","9","7","1") = "8"
    & skf18("6","8","6","2","9","8","1") = "8"
    & skf18("6","8","6","2","9","9","1") = "8"
    & skf18("6","8","6","2","9","10","1") = "9"
    & skf18("6","8","6","2","10","1","1") = "9"
    & skf18("6","8","6","2","10","2","1") = "9"
    & skf18("6","8","6","2","10","3","1") = "9"
    & skf18("6","8","6","2","10","4","1") = "9"
    & skf18("6","8","6","2","10","5","1") = "9"
    & skf18("6","8","6","2","10","6","1") = "9"
    & skf18("6","8","6","2","10","7","1") = "9"
    & skf18("6","8","6","2","10","8","1") = "9"
    & skf18("6","8","6","2","10","9","1") = "9"
    & skf18("6","8","6","2","10","10","1") = "9"
    & skf18("6","8","6","3","1","1","1") = "7"
    & skf18("6","8","6","3","1","2","1") = "7"
    & skf18("6","8","6","3","1","3","1") = "7"
    & skf18("6","8","6","3","1","4","1") = "7"
    & skf18("6","8","6","3","1","5","1") = "7"
    & skf18("6","8","6","3","1","6","1") = "7"
    & skf18("6","8","6","3","1","7","1") = "7"
    & skf18("6","8","6","3","1","8","1") = "7"
    & skf18("6","8","6","3","1","9","1") = "8"
    & skf18("6","8","6","3","1","10","1") = "9"
    & skf18("6","8","6","3","2","1","1") = "7"
    & skf18("6","8","6","3","2","2","1") = "7"
    & skf18("6","8","6","3","2","3","1") = "7"
    & skf18("6","8","6","3","2","4","1") = "7"
    & skf18("6","8","6","3","2","5","1") = "7"
    & skf18("6","8","6","3","2","6","1") = "7"
    & skf18("6","8","6","3","2","7","1") = "7"
    & skf18("6","8","6","3","2","8","1") = "7"
    & skf18("6","8","6","3","2","9","1") = "8"
    & skf18("6","8","6","3","2","10","1") = "9"
    & skf18("6","8","6","3","3","1","1") = "7"
    & skf18("6","8","6","3","3","2","1") = "7"
    & skf18("6","8","6","3","3","3","1") = "7"
    & skf18("6","8","6","3","3","4","1") = "7"
    & skf18("6","8","6","3","3","5","1") = "7"
    & skf18("6","8","6","3","3","6","1") = "7"
    & skf18("6","8","6","3","3","7","1") = "7"
    & skf18("6","8","6","3","3","8","1") = "7"
    & skf18("6","8","6","3","3","9","1") = "8"
    & skf18("6","8","6","3","3","10","1") = "9"
    & skf18("6","8","6","3","4","1","1") = "7"
    & skf18("6","8","6","3","4","2","1") = "7"
    & skf18("6","8","6","3","4","3","1") = "7"
    & skf18("6","8","6","3","4","4","1") = "7"
    & skf18("6","8","6","3","4","5","1") = "7"
    & skf18("6","8","6","3","4","6","1") = "7"
    & skf18("6","8","6","3","4","7","1") = "7"
    & skf18("6","8","6","3","4","8","1") = "7"
    & skf18("6","8","6","3","4","9","1") = "8"
    & skf18("6","8","6","3","4","10","1") = "9"
    & skf18("6","8","6","3","5","1","1") = "7"
    & skf18("6","8","6","3","5","2","1") = "7"
    & skf18("6","8","6","3","5","3","1") = "7"
    & skf18("6","8","6","3","5","4","1") = "7"
    & skf18("6","8","6","3","5","5","1") = "7"
    & skf18("6","8","6","3","5","6","1") = "7"
    & skf18("6","8","6","3","5","7","1") = "7"
    & skf18("6","8","6","3","5","8","1") = "7"
    & skf18("6","8","6","3","5","9","1") = "8"
    & skf18("6","8","6","3","5","10","1") = "9"
    & skf18("6","8","6","3","6","1","1") = "7"
    & skf18("6","8","6","3","6","2","1") = "7"
    & skf18("6","8","6","3","6","3","1") = "7"
    & skf18("6","8","6","3","6","4","1") = "7"
    & skf18("6","8","6","3","6","5","1") = "7"
    & skf18("6","8","6","3","6","6","1") = "7"
    & skf18("6","8","6","3","6","7","1") = "7"
    & skf18("6","8","6","3","6","8","1") = "7"
    & skf18("6","8","6","3","6","9","1") = "8"
    & skf18("6","8","6","3","6","10","1") = "9"
    & skf18("6","8","6","3","7","1","1") = "7"
    & skf18("6","8","6","3","7","2","1") = "7"
    & skf18("6","8","6","3","7","3","1") = "7"
    & skf18("6","8","6","3","7","4","1") = "7"
    & skf18("6","8","6","3","7","5","1") = "7"
    & skf18("6","8","6","3","7","6","1") = "7"
    & skf18("6","8","6","3","7","7","1") = "7"
    & skf18("6","8","6","3","7","8","1") = "7"
    & skf18("6","8","6","3","7","9","1") = "8"
    & skf18("6","8","6","3","7","10","1") = "9"
    & skf18("6","8","6","3","8","1","1") = "7"
    & skf18("6","8","6","3","8","2","1") = "7"
    & skf18("6","8","6","3","8","3","1") = "7"
    & skf18("6","8","6","3","8","4","1") = "7"
    & skf18("6","8","6","3","8","5","1") = "7"
    & skf18("6","8","6","3","8","6","1") = "7"
    & skf18("6","8","6","3","8","7","1") = "7"
    & skf18("6","8","6","3","8","8","1") = "7"
    & skf18("6","8","6","3","8","9","1") = "8"
    & skf18("6","8","6","3","8","10","1") = "9"
    & skf18("6","8","6","3","9","1","1") = "8"
    & skf18("6","8","6","3","9","2","1") = "8"
    & skf18("6","8","6","3","9","3","1") = "8"
    & skf18("6","8","6","3","9","4","1") = "8"
    & skf18("6","8","6","3","9","5","1") = "8"
    & skf18("6","8","6","3","9","6","1") = "8"
    & skf18("6","8","6","3","9","7","1") = "8"
    & skf18("6","8","6","3","9","8","1") = "8"
    & skf18("6","8","6","3","9","9","1") = "8"
    & skf18("6","8","6","3","9","10","1") = "9"
    & skf18("6","8","6","3","10","1","1") = "9"
    & skf18("6","8","6","3","10","2","1") = "9"
    & skf18("6","8","6","3","10","3","1") = "9"
    & skf18("6","8","6","3","10","4","1") = "9"
    & skf18("6","8","6","3","10","5","1") = "9"
    & skf18("6","8","6","3","10","6","1") = "9"
    & skf18("6","8","6","3","10","7","1") = "9"
    & skf18("6","8","6","3","10","8","1") = "9"
    & skf18("6","8","6","3","10","9","1") = "9"
    & skf18("6","8","6","3","10","10","1") = "9"
    & skf18("6","8","6","4","1","1","1") = "7"
    & skf18("6","8","6","4","1","2","1") = "7"
    & skf18("6","8","6","4","1","3","1") = "7"
    & skf18("6","8","6","4","1","4","1") = "7"
    & skf18("6","8","6","4","1","5","1") = "7"
    & skf18("6","8","6","4","1","6","1") = "7"
    & skf18("6","8","6","4","1","7","1") = "7"
    & skf18("6","8","6","4","1","8","1") = "7"
    & skf18("6","8","6","4","1","9","1") = "8"
    & skf18("6","8","6","4","1","10","1") = "9"
    & skf18("6","8","6","4","2","1","1") = "7"
    & skf18("6","8","6","4","2","2","1") = "7"
    & skf18("6","8","6","4","2","3","1") = "7"
    & skf18("6","8","6","4","2","4","1") = "7"
    & skf18("6","8","6","4","2","5","1") = "7"
    & skf18("6","8","6","4","2","6","1") = "7"
    & skf18("6","8","6","4","2","7","1") = "7"
    & skf18("6","8","6","4","2","8","1") = "7"
    & skf18("6","8","6","4","2","9","1") = "8"
    & skf18("6","8","6","4","2","10","1") = "9"
    & skf18("6","8","6","4","3","1","1") = "7"
    & skf18("6","8","6","4","3","2","1") = "7"
    & skf18("6","8","6","4","3","3","1") = "7"
    & skf18("6","8","6","4","3","4","1") = "7"
    & skf18("6","8","6","4","3","5","1") = "7"
    & skf18("6","8","6","4","3","6","1") = "7"
    & skf18("6","8","6","4","3","7","1") = "7"
    & skf18("6","8","6","4","3","8","1") = "7"
    & skf18("6","8","6","4","3","9","1") = "8"
    & skf18("6","8","6","4","3","10","1") = "9"
    & skf18("6","8","6","4","4","1","1") = "7"
    & skf18("6","8","6","4","4","2","1") = "7"
    & skf18("6","8","6","4","4","3","1") = "7"
    & skf18("6","8","6","4","4","4","1") = "7"
    & skf18("6","8","6","4","4","5","1") = "7"
    & skf18("6","8","6","4","4","6","1") = "7"
    & skf18("6","8","6","4","4","7","1") = "7"
    & skf18("6","8","6","4","4","8","1") = "7"
    & skf18("6","8","6","4","4","9","1") = "8"
    & skf18("6","8","6","4","4","10","1") = "9"
    & skf18("6","8","6","4","5","1","1") = "7"
    & skf18("6","8","6","4","5","2","1") = "7"
    & skf18("6","8","6","4","5","3","1") = "7"
    & skf18("6","8","6","4","5","4","1") = "7"
    & skf18("6","8","6","4","5","5","1") = "7"
    & skf18("6","8","6","4","5","6","1") = "7"
    & skf18("6","8","6","4","5","7","1") = "7"
    & skf18("6","8","6","4","5","8","1") = "7"
    & skf18("6","8","6","4","5","9","1") = "8"
    & skf18("6","8","6","4","5","10","1") = "9"
    & skf18("6","8","6","4","6","1","1") = "7"
    & skf18("6","8","6","4","6","2","1") = "7"
    & skf18("6","8","6","4","6","3","1") = "7"
    & skf18("6","8","6","4","6","4","1") = "7"
    & skf18("6","8","6","4","6","5","1") = "7"
    & skf18("6","8","6","4","6","6","1") = "7"
    & skf18("6","8","6","4","6","7","1") = "7"
    & skf18("6","8","6","4","6","8","1") = "7"
    & skf18("6","8","6","4","6","9","1") = "8"
    & skf18("6","8","6","4","6","10","1") = "9"
    & skf18("6","8","6","4","7","1","1") = "7"
    & skf18("6","8","6","4","7","2","1") = "7"
    & skf18("6","8","6","4","7","3","1") = "7"
    & skf18("6","8","6","4","7","4","1") = "7"
    & skf18("6","8","6","4","7","5","1") = "7"
    & skf18("6","8","6","4","7","6","1") = "7"
    & skf18("6","8","6","4","7","7","1") = "7"
    & skf18("6","8","6","4","7","8","1") = "7"
    & skf18("6","8","6","4","7","9","1") = "8"
    & skf18("6","8","6","4","7","10","1") = "9"
    & skf18("6","8","6","4","8","1","1") = "7"
    & skf18("6","8","6","4","8","2","1") = "7"
    & skf18("6","8","6","4","8","3","1") = "7"
    & skf18("6","8","6","4","8","4","1") = "7"
    & skf18("6","8","6","4","8","5","1") = "7"
    & skf18("6","8","6","4","8","6","1") = "7"
    & skf18("6","8","6","4","8","7","1") = "7"
    & skf18("6","8","6","4","8","8","1") = "7"
    & skf18("6","8","6","4","8","9","1") = "8"
    & skf18("6","8","6","4","8","10","1") = "9"
    & skf18("6","8","6","4","9","1","1") = "8"
    & skf18("6","8","6","4","9","2","1") = "8"
    & skf18("6","8","6","4","9","3","1") = "8"
    & skf18("6","8","6","4","9","4","1") = "8"
    & skf18("6","8","6","4","9","5","1") = "8"
    & skf18("6","8","6","4","9","6","1") = "8"
    & skf18("6","8","6","4","9","7","1") = "8"
    & skf18("6","8","6","4","9","8","1") = "8"
    & skf18("6","8","6","4","9","9","1") = "8"
    & skf18("6","8","6","4","9","10","1") = "9"
    & skf18("6","8","6","4","10","1","1") = "9"
    & skf18("6","8","6","4","10","2","1") = "9"
    & skf18("6","8","6","4","10","3","1") = "9"
    & skf18("6","8","6","4","10","4","1") = "9"
    & skf18("6","8","6","4","10","5","1") = "9"
    & skf18("6","8","6","4","10","6","1") = "9"
    & skf18("6","8","6","4","10","7","1") = "9"
    & skf18("6","8","6","4","10","8","1") = "9"
    & skf18("6","8","6","4","10","9","1") = "9"
    & skf18("6","8","6","4","10","10","1") = "9"
    & skf18("6","8","6","5","1","1","1") = "7"
    & skf18("6","8","6","5","1","2","1") = "7"
    & skf18("6","8","6","5","1","3","1") = "7"
    & skf18("6","8","6","5","1","4","1") = "7"
    & skf18("6","8","6","5","1","5","1") = "7"
    & skf18("6","8","6","5","1","6","1") = "7"
    & skf18("6","8","6","5","1","7","1") = "7"
    & skf18("6","8","6","5","1","8","1") = "7"
    & skf18("6","8","6","5","1","9","1") = "8"
    & skf18("6","8","6","5","1","10","1") = "9"
    & skf18("6","8","6","5","2","1","1") = "7"
    & skf18("6","8","6","5","2","2","1") = "7"
    & skf18("6","8","6","5","2","3","1") = "7"
    & skf18("6","8","6","5","2","4","1") = "7"
    & skf18("6","8","6","5","2","5","1") = "7"
    & skf18("6","8","6","5","2","6","1") = "7"
    & skf18("6","8","6","5","2","7","1") = "7"
    & skf18("6","8","6","5","2","8","1") = "7"
    & skf18("6","8","6","5","2","9","1") = "8"
    & skf18("6","8","6","5","2","10","1") = "9"
    & skf18("6","8","6","5","3","1","1") = "7"
    & skf18("6","8","6","5","3","2","1") = "7"
    & skf18("6","8","6","5","3","3","1") = "7"
    & skf18("6","8","6","5","3","4","1") = "7"
    & skf18("6","8","6","5","3","5","1") = "7"
    & skf18("6","8","6","5","3","6","1") = "7"
    & skf18("6","8","6","5","3","7","1") = "7"
    & skf18("6","8","6","5","3","8","1") = "7"
    & skf18("6","8","6","5","3","9","1") = "8"
    & skf18("6","8","6","5","3","10","1") = "9"
    & skf18("6","8","6","5","4","1","1") = "7"
    & skf18("6","8","6","5","4","2","1") = "7"
    & skf18("6","8","6","5","4","3","1") = "7"
    & skf18("6","8","6","5","4","4","1") = "7"
    & skf18("6","8","6","5","4","5","1") = "7"
    & skf18("6","8","6","5","4","6","1") = "7"
    & skf18("6","8","6","5","4","7","1") = "7"
    & skf18("6","8","6","5","4","8","1") = "7"
    & skf18("6","8","6","5","4","9","1") = "8"
    & skf18("6","8","6","5","4","10","1") = "9"
    & skf18("6","8","6","5","5","1","1") = "7"
    & skf18("6","8","6","5","5","2","1") = "7"
    & skf18("6","8","6","5","5","3","1") = "7"
    & skf18("6","8","6","5","5","4","1") = "7"
    & skf18("6","8","6","5","5","5","1") = "7"
    & skf18("6","8","6","5","5","6","1") = "7"
    & skf18("6","8","6","5","5","7","1") = "7"
    & skf18("6","8","6","5","5","8","1") = "7"
    & skf18("6","8","6","5","5","9","1") = "8"
    & skf18("6","8","6","5","5","10","1") = "9"
    & skf18("6","8","6","5","6","1","1") = "7"
    & skf18("6","8","6","5","6","2","1") = "7"
    & skf18("6","8","6","5","6","3","1") = "7"
    & skf18("6","8","6","5","6","4","1") = "7"
    & skf18("6","8","6","5","6","5","1") = "7"
    & skf18("6","8","6","5","6","6","1") = "7"
    & skf18("6","8","6","5","6","7","1") = "7"
    & skf18("6","8","6","5","6","8","1") = "7"
    & skf18("6","8","6","5","6","9","1") = "8"
    & skf18("6","8","6","5","6","10","1") = "9"
    & skf18("6","8","6","5","7","1","1") = "7"
    & skf18("6","8","6","5","7","2","1") = "7"
    & skf18("6","8","6","5","7","3","1") = "7"
    & skf18("6","8","6","5","7","4","1") = "7"
    & skf18("6","8","6","5","7","5","1") = "7"
    & skf18("6","8","6","5","7","6","1") = "7"
    & skf18("6","8","6","5","7","7","1") = "7"
    & skf18("6","8","6","5","7","8","1") = "7"
    & skf18("6","8","6","5","7","9","1") = "8"
    & skf18("6","8","6","5","7","10","1") = "9"
    & skf18("6","8","6","5","8","1","1") = "7"
    & skf18("6","8","6","5","8","2","1") = "7"
    & skf18("6","8","6","5","8","3","1") = "7"
    & skf18("6","8","6","5","8","4","1") = "7"
    & skf18("6","8","6","5","8","5","1") = "7"
    & skf18("6","8","6","5","8","6","1") = "7"
    & skf18("6","8","6","5","8","7","1") = "7"
    & skf18("6","8","6","5","8","8","1") = "7"
    & skf18("6","8","6","5","8","9","1") = "8"
    & skf18("6","8","6","5","8","10","1") = "9"
    & skf18("6","8","6","5","9","1","1") = "8"
    & skf18("6","8","6","5","9","2","1") = "8"
    & skf18("6","8","6","5","9","3","1") = "8"
    & skf18("6","8","6","5","9","4","1") = "8"
    & skf18("6","8","6","5","9","5","1") = "8"
    & skf18("6","8","6","5","9","6","1") = "8"
    & skf18("6","8","6","5","9","7","1") = "8"
    & skf18("6","8","6","5","9","8","1") = "8"
    & skf18("6","8","6","5","9","9","1") = "8"
    & skf18("6","8","6","5","9","10","1") = "9"
    & skf18("6","8","6","5","10","1","1") = "9"
    & skf18("6","8","6","5","10","2","1") = "9"
    & skf18("6","8","6","5","10","3","1") = "9"
    & skf18("6","8","6","5","10","4","1") = "9"
    & skf18("6","8","6","5","10","5","1") = "9"
    & skf18("6","8","6","5","10","6","1") = "9"
    & skf18("6","8","6","5","10","7","1") = "9"
    & skf18("6","8","6","5","10","8","1") = "9"
    & skf18("6","8","6","5","10","9","1") = "9"
    & skf18("6","8","6","5","10","10","1") = "9"
    & skf18("6","8","6","6","1","1","1") = "7"
    & skf18("6","8","6","6","1","2","1") = "7"
    & skf18("6","8","6","6","1","3","1") = "7"
    & skf18("6","8","6","6","1","4","1") = "7"
    & skf18("6","8","6","6","1","5","1") = "7"
    & skf18("6","8","6","6","1","6","1") = "7"
    & skf18("6","8","6","6","1","7","1") = "7"
    & skf18("6","8","6","6","1","8","1") = "7"
    & skf18("6","8","6","6","1","9","1") = "8"
    & skf18("6","8","6","6","1","10","1") = "9"
    & skf18("6","8","6","6","2","1","1") = "7"
    & skf18("6","8","6","6","2","2","1") = "7"
    & skf18("6","8","6","6","2","3","1") = "7"
    & skf18("6","8","6","6","2","4","1") = "7"
    & skf18("6","8","6","6","2","5","1") = "7"
    & skf18("6","8","6","6","2","6","1") = "7"
    & skf18("6","8","6","6","2","7","1") = "7"
    & skf18("6","8","6","6","2","8","1") = "7"
    & skf18("6","8","6","6","2","9","1") = "8"
    & skf18("6","8","6","6","2","10","1") = "9"
    & skf18("6","8","6","6","3","1","1") = "7"
    & skf18("6","8","6","6","3","2","1") = "7"
    & skf18("6","8","6","6","3","3","1") = "7"
    & skf18("6","8","6","6","3","4","1") = "7"
    & skf18("6","8","6","6","3","5","1") = "7"
    & skf18("6","8","6","6","3","6","1") = "7"
    & skf18("6","8","6","6","3","7","1") = "7"
    & skf18("6","8","6","6","3","8","1") = "7"
    & skf18("6","8","6","6","3","9","1") = "8"
    & skf18("6","8","6","6","3","10","1") = "9"
    & skf18("6","8","6","6","4","1","1") = "7"
    & skf18("6","8","6","6","4","2","1") = "7"
    & skf18("6","8","6","6","4","3","1") = "7"
    & skf18("6","8","6","6","4","4","1") = "7"
    & skf18("6","8","6","6","4","5","1") = "7"
    & skf18("6","8","6","6","4","6","1") = "7"
    & skf18("6","8","6","6","4","7","1") = "7"
    & skf18("6","8","6","6","4","8","1") = "7"
    & skf18("6","8","6","6","4","9","1") = "8"
    & skf18("6","8","6","6","4","10","1") = "9"
    & skf18("6","8","6","6","5","1","1") = "7"
    & skf18("6","8","6","6","5","2","1") = "7"
    & skf18("6","8","6","6","5","3","1") = "7"
    & skf18("6","8","6","6","5","4","1") = "7"
    & skf18("6","8","6","6","5","5","1") = "7"
    & skf18("6","8","6","6","5","6","1") = "7"
    & skf18("6","8","6","6","5","7","1") = "7"
    & skf18("6","8","6","6","5","8","1") = "7"
    & skf18("6","8","6","6","5","9","1") = "8"
    & skf18("6","8","6","6","5","10","1") = "9"
    & skf18("6","8","6","6","6","1","1") = "7"
    & skf18("6","8","6","6","6","2","1") = "7"
    & skf18("6","8","6","6","6","3","1") = "7"
    & skf18("6","8","6","6","6","4","1") = "7"
    & skf18("6","8","6","6","6","5","1") = "7"
    & skf18("6","8","6","6","6","6","1") = "7"
    & skf18("6","8","6","6","6","7","1") = "7"
    & skf18("6","8","6","6","6","8","1") = "7"
    & skf18("6","8","6","6","6","9","1") = "8"
    & skf18("6","8","6","6","6","10","1") = "9"
    & skf18("6","8","6","6","7","1","1") = "7"
    & skf18("6","8","6","6","7","2","1") = "7"
    & skf18("6","8","6","6","7","3","1") = "7"
    & skf18("6","8","6","6","7","4","1") = "7"
    & skf18("6","8","6","6","7","5","1") = "7"
    & skf18("6","8","6","6","7","6","1") = "7"
    & skf18("6","8","6","6","7","7","1") = "7"
    & skf18("6","8","6","6","7","8","1") = "7"
    & skf18("6","8","6","6","7","9","1") = "8"
    & skf18("6","8","6","6","7","10","1") = "9"
    & skf18("6","8","6","6","8","1","1") = "7"
    & skf18("6","8","6","6","8","2","1") = "7"
    & skf18("6","8","6","6","8","3","1") = "7"
    & skf18("6","8","6","6","8","4","1") = "7"
    & skf18("6","8","6","6","8","5","1") = "7"
    & skf18("6","8","6","6","8","6","1") = "7"
    & skf18("6","8","6","6","8","7","1") = "7"
    & skf18("6","8","6","6","8","8","1") = "7"
    & skf18("6","8","6","6","8","9","1") = "8"
    & skf18("6","8","6","6","8","10","1") = "9"
    & skf18("6","8","6","6","9","1","1") = "8"
    & skf18("6","8","6","6","9","2","1") = "8"
    & skf18("6","8","6","6","9","3","1") = "8"
    & skf18("6","8","6","6","9","4","1") = "8"
    & skf18("6","8","6","6","9","5","1") = "8"
    & skf18("6","8","6","6","9","6","1") = "8"
    & skf18("6","8","6","6","9","7","1") = "8"
    & skf18("6","8","6","6","9","8","1") = "8"
    & skf18("6","8","6","6","9","9","1") = "8"
    & skf18("6","8","6","6","9","10","1") = "9"
    & skf18("6","8","6","6","10","1","1") = "9"
    & skf18("6","8","6","6","10","2","1") = "9"
    & skf18("6","8","6","6","10","3","1") = "9"
    & skf18("6","8","6","6","10","4","1") = "9"
    & skf18("6","8","6","6","10","5","1") = "9"
    & skf18("6","8","6","6","10","6","1") = "9"
    & skf18("6","8","6","6","10","7","1") = "9"
    & skf18("6","8","6","6","10","8","1") = "9"
    & skf18("6","8","6","6","10","9","1") = "9"
    & skf18("6","8","6","6","10","10","1") = "9"
    & skf18("6","8","6","7","1","1","1") = "7"
    & skf18("6","8","6","7","1","2","1") = "7"
    & skf18("6","8","6","7","1","3","1") = "7"
    & skf18("6","8","6","7","1","4","1") = "7"
    & skf18("6","8","6","7","1","5","1") = "7"
    & skf18("6","8","6","7","1","6","1") = "7"
    & skf18("6","8","6","7","1","7","1") = "7"
    & skf18("6","8","6","7","1","8","1") = "7"
    & skf18("6","8","6","7","1","9","1") = "8"
    & skf18("6","8","6","7","1","10","1") = "9"
    & skf18("6","8","6","7","2","1","1") = "7"
    & skf18("6","8","6","7","2","2","1") = "7"
    & skf18("6","8","6","7","2","3","1") = "7"
    & skf18("6","8","6","7","2","4","1") = "7"
    & skf18("6","8","6","7","2","5","1") = "7"
    & skf18("6","8","6","7","2","6","1") = "7"
    & skf18("6","8","6","7","2","7","1") = "7"
    & skf18("6","8","6","7","2","8","1") = "7"
    & skf18("6","8","6","7","2","9","1") = "8"
    & skf18("6","8","6","7","2","10","1") = "9"
    & skf18("6","8","6","7","3","1","1") = "7"
    & skf18("6","8","6","7","3","2","1") = "7"
    & skf18("6","8","6","7","3","3","1") = "7"
    & skf18("6","8","6","7","3","4","1") = "7"
    & skf18("6","8","6","7","3","5","1") = "7"
    & skf18("6","8","6","7","3","6","1") = "7"
    & skf18("6","8","6","7","3","7","1") = "7"
    & skf18("6","8","6","7","3","8","1") = "7"
    & skf18("6","8","6","7","3","9","1") = "8"
    & skf18("6","8","6","7","3","10","1") = "9"
    & skf18("6","8","6","7","4","1","1") = "7"
    & skf18("6","8","6","7","4","2","1") = "7"
    & skf18("6","8","6","7","4","3","1") = "7"
    & skf18("6","8","6","7","4","4","1") = "7"
    & skf18("6","8","6","7","4","5","1") = "7"
    & skf18("6","8","6","7","4","6","1") = "7"
    & skf18("6","8","6","7","4","7","1") = "7"
    & skf18("6","8","6","7","4","8","1") = "7"
    & skf18("6","8","6","7","4","9","1") = "8"
    & skf18("6","8","6","7","4","10","1") = "9"
    & skf18("6","8","6","7","5","1","1") = "7"
    & skf18("6","8","6","7","5","2","1") = "7"
    & skf18("6","8","6","7","5","3","1") = "7"
    & skf18("6","8","6","7","5","4","1") = "7"
    & skf18("6","8","6","7","5","5","1") = "7"
    & skf18("6","8","6","7","5","6","1") = "7"
    & skf18("6","8","6","7","5","7","1") = "7"
    & skf18("6","8","6","7","5","8","1") = "7"
    & skf18("6","8","6","7","5","9","1") = "8"
    & skf18("6","8","6","7","5","10","1") = "9"
    & skf18("6","8","6","7","6","1","1") = "7"
    & skf18("6","8","6","7","6","2","1") = "7"
    & skf18("6","8","6","7","6","3","1") = "7"
    & skf18("6","8","6","7","6","4","1") = "7"
    & skf18("6","8","6","7","6","5","1") = "7"
    & skf18("6","8","6","7","6","6","1") = "7"
    & skf18("6","8","6","7","6","7","1") = "7"
    & skf18("6","8","6","7","6","8","1") = "7"
    & skf18("6","8","6","7","6","9","1") = "8"
    & skf18("6","8","6","7","6","10","1") = "9"
    & skf18("6","8","6","7","7","1","1") = "7"
    & skf18("6","8","6","7","7","2","1") = "7"
    & skf18("6","8","6","7","7","3","1") = "7"
    & skf18("6","8","6","7","7","4","1") = "7"
    & skf18("6","8","6","7","7","5","1") = "7"
    & skf18("6","8","6","7","7","6","1") = "7"
    & skf18("6","8","6","7","7","7","1") = "7"
    & skf18("6","8","6","7","7","8","1") = "7"
    & skf18("6","8","6","7","7","9","1") = "8"
    & skf18("6","8","6","7","7","10","1") = "9"
    & skf18("6","8","6","7","8","1","1") = "7"
    & skf18("6","8","6","7","8","2","1") = "7"
    & skf18("6","8","6","7","8","3","1") = "7"
    & skf18("6","8","6","7","8","4","1") = "7"
    & skf18("6","8","6","7","8","5","1") = "7"
    & skf18("6","8","6","7","8","6","1") = "7"
    & skf18("6","8","6","7","8","7","1") = "7"
    & skf18("6","8","6","7","8","8","1") = "7"
    & skf18("6","8","6","7","8","9","1") = "8"
    & skf18("6","8","6","7","8","10","1") = "9"
    & skf18("6","8","6","7","9","1","1") = "8"
    & skf18("6","8","6","7","9","2","1") = "8"
    & skf18("6","8","6","7","9","3","1") = "8"
    & skf18("6","8","6","7","9","4","1") = "8"
    & skf18("6","8","6","7","9","5","1") = "8"
    & skf18("6","8","6","7","9","6","1") = "8"
    & skf18("6","8","6","7","9","7","1") = "8"
    & skf18("6","8","6","7","9","8","1") = "8"
    & skf18("6","8","6","7","9","9","1") = "8"
    & skf18("6","8","6","7","9","10","1") = "9"
    & skf18("6","8","6","7","10","1","1") = "9"
    & skf18("6","8","6","7","10","2","1") = "9"
    & skf18("6","8","6","7","10","3","1") = "9"
    & skf18("6","8","6","7","10","4","1") = "9"
    & skf18("6","8","6","7","10","5","1") = "9"
    & skf18("6","8","6","7","10","6","1") = "9"
    & skf18("6","8","6","7","10","7","1") = "9"
    & skf18("6","8","6","7","10","8","1") = "9"
    & skf18("6","8","6","7","10","9","1") = "9"
    & skf18("6","8","6","7","10","10","1") = "9"
    & skf18("6","8","6","8","1","1","1") = "7"
    & skf18("6","8","6","8","1","2","1") = "7"
    & skf18("6","8","6","8","1","3","1") = "7"
    & skf18("6","8","6","8","1","4","1") = "7"
    & skf18("6","8","6","8","1","5","1") = "7"
    & skf18("6","8","6","8","1","6","1") = "7"
    & skf18("6","8","6","8","1","7","1") = "7"
    & skf18("6","8","6","8","1","8","1") = "7"
    & skf18("6","8","6","8","1","9","1") = "8"
    & skf18("6","8","6","8","1","10","1") = "9"
    & skf18("6","8","6","8","2","1","1") = "7"
    & skf18("6","8","6","8","2","2","1") = "7"
    & skf18("6","8","6","8","2","3","1") = "7"
    & skf18("6","8","6","8","2","4","1") = "7"
    & skf18("6","8","6","8","2","5","1") = "7"
    & skf18("6","8","6","8","2","6","1") = "7"
    & skf18("6","8","6","8","2","7","1") = "7"
    & skf18("6","8","6","8","2","8","1") = "7"
    & skf18("6","8","6","8","2","9","1") = "8"
    & skf18("6","8","6","8","2","10","1") = "9"
    & skf18("6","8","6","8","3","1","1") = "7"
    & skf18("6","8","6","8","3","2","1") = "7"
    & skf18("6","8","6","8","3","3","1") = "7"
    & skf18("6","8","6","8","3","4","1") = "7"
    & skf18("6","8","6","8","3","5","1") = "7"
    & skf18("6","8","6","8","3","6","1") = "7"
    & skf18("6","8","6","8","3","7","1") = "7"
    & skf18("6","8","6","8","3","8","1") = "7"
    & skf18("6","8","6","8","3","9","1") = "8"
    & skf18("6","8","6","8","3","10","1") = "9"
    & skf18("6","8","6","8","4","1","1") = "7"
    & skf18("6","8","6","8","4","2","1") = "7"
    & skf18("6","8","6","8","4","3","1") = "7"
    & skf18("6","8","6","8","4","4","1") = "7"
    & skf18("6","8","6","8","4","5","1") = "7"
    & skf18("6","8","6","8","4","6","1") = "7"
    & skf18("6","8","6","8","4","7","1") = "7"
    & skf18("6","8","6","8","4","8","1") = "7"
    & skf18("6","8","6","8","4","9","1") = "8"
    & skf18("6","8","6","8","4","10","1") = "9"
    & skf18("6","8","6","8","5","1","1") = "7"
    & skf18("6","8","6","8","5","2","1") = "7"
    & skf18("6","8","6","8","5","3","1") = "7"
    & skf18("6","8","6","8","5","4","1") = "7"
    & skf18("6","8","6","8","5","5","1") = "7"
    & skf18("6","8","6","8","5","6","1") = "7"
    & skf18("6","8","6","8","5","7","1") = "7"
    & skf18("6","8","6","8","5","8","1") = "7"
    & skf18("6","8","6","8","5","9","1") = "8"
    & skf18("6","8","6","8","5","10","1") = "9"
    & skf18("6","8","6","8","6","1","1") = "7"
    & skf18("6","8","6","8","6","2","1") = "7"
    & skf18("6","8","6","8","6","3","1") = "7"
    & skf18("6","8","6","8","6","4","1") = "7"
    & skf18("6","8","6","8","6","5","1") = "7"
    & skf18("6","8","6","8","6","6","1") = "7"
    & skf18("6","8","6","8","6","7","1") = "7"
    & skf18("6","8","6","8","6","8","1") = "7"
    & skf18("6","8","6","8","6","9","1") = "8"
    & skf18("6","8","6","8","6","10","1") = "9"
    & skf18("6","8","6","8","7","1","1") = "7"
    & skf18("6","8","6","8","7","2","1") = "7"
    & skf18("6","8","6","8","7","3","1") = "7"
    & skf18("6","8","6","8","7","4","1") = "7"
    & skf18("6","8","6","8","7","5","1") = "7"
    & skf18("6","8","6","8","7","6","1") = "7"
    & skf18("6","8","6","8","7","7","1") = "7"
    & skf18("6","8","6","8","7","8","1") = "7"
    & skf18("6","8","6","8","7","9","1") = "8"
    & skf18("6","8","6","8","7","10","1") = "9"
    & skf18("6","8","6","8","8","1","1") = "7"
    & skf18("6","8","6","8","8","2","1") = "7"
    & skf18("6","8","6","8","8","3","1") = "7"
    & skf18("6","8","6","8","8","4","1") = "7"
    & skf18("6","8","6","8","8","5","1") = "7"
    & skf18("6","8","6","8","8","6","1") = "7"
    & skf18("6","8","6","8","8","7","1") = "7"
    & skf18("6","8","6","8","8","8","1") = "7"
    & skf18("6","8","6","8","8","9","1") = "8"
    & skf18("6","8","6","8","8","10","1") = "9"
    & skf18("6","8","6","8","9","1","1") = "8"
    & skf18("6","8","6","8","9","2","1") = "8"
    & skf18("6","8","6","8","9","3","1") = "8"
    & skf18("6","8","6","8","9","4","1") = "8"
    & skf18("6","8","6","8","9","5","1") = "8"
    & skf18("6","8","6","8","9","6","1") = "8"
    & skf18("6","8","6","8","9","7","1") = "8"
    & skf18("6","8","6","8","9","8","1") = "8"
    & skf18("6","8","6","8","9","9","1") = "8"
    & skf18("6","8","6","8","9","10","1") = "9"
    & skf18("6","8","6","8","10","1","1") = "9"
    & skf18("6","8","6","8","10","2","1") = "9"
    & skf18("6","8","6","8","10","3","1") = "9"
    & skf18("6","8","6","8","10","4","1") = "9"
    & skf18("6","8","6","8","10","5","1") = "9"
    & skf18("6","8","6","8","10","6","1") = "9"
    & skf18("6","8","6","8","10","7","1") = "9"
    & skf18("6","8","6","8","10","8","1") = "9"
    & skf18("6","8","6","8","10","9","1") = "9"
    & skf18("6","8","6","8","10","10","1") = "9"
    & skf18("6","8","6","9","1","1","1") = "8"
    & skf18("6","8","6","9","1","2","1") = "8"
    & skf18("6","8","6","9","1","3","1") = "8"
    & skf18("6","8","6","9","1","4","1") = "8"
    & skf18("6","8","6","9","1","5","1") = "8"
    & skf18("6","8","6","9","1","6","1") = "8"
    & skf18("6","8","6","9","1","7","1") = "8"
    & skf18("6","8","6","9","1","8","1") = "8"
    & skf18("6","8","6","9","1","9","1") = "8"
    & skf18("6","8","6","9","1","10","1") = "9"
    & skf18("6","8","6","9","2","1","1") = "8"
    & skf18("6","8","6","9","2","2","1") = "8"
    & skf18("6","8","6","9","2","3","1") = "8"
    & skf18("6","8","6","9","2","4","1") = "8"
    & skf18("6","8","6","9","2","5","1") = "8"
    & skf18("6","8","6","9","2","6","1") = "8"
    & skf18("6","8","6","9","2","7","1") = "8"
    & skf18("6","8","6","9","2","8","1") = "8"
    & skf18("6","8","6","9","2","9","1") = "8"
    & skf18("6","8","6","9","2","10","1") = "9"
    & skf18("6","8","6","9","3","1","1") = "8"
    & skf18("6","8","6","9","3","2","1") = "8"
    & skf18("6","8","6","9","3","3","1") = "8"
    & skf18("6","8","6","9","3","4","1") = "8"
    & skf18("6","8","6","9","3","5","1") = "8"
    & skf18("6","8","6","9","3","6","1") = "8"
    & skf18("6","8","6","9","3","7","1") = "8"
    & skf18("6","8","6","9","3","8","1") = "8"
    & skf18("6","8","6","9","3","9","1") = "8"
    & skf18("6","8","6","9","3","10","1") = "9"
    & skf18("6","8","6","9","4","1","1") = "8"
    & skf18("6","8","6","9","4","2","1") = "8"
    & skf18("6","8","6","9","4","3","1") = "8"
    & skf18("6","8","6","9","4","4","1") = "8"
    & skf18("6","8","6","9","4","5","1") = "8"
    & skf18("6","8","6","9","4","6","1") = "8"
    & skf18("6","8","6","9","4","7","1") = "8"
    & skf18("6","8","6","9","4","8","1") = "8"
    & skf18("6","8","6","9","4","9","1") = "8"
    & skf18("6","8","6","9","4","10","1") = "9"
    & skf18("6","8","6","9","5","1","1") = "8"
    & skf18("6","8","6","9","5","2","1") = "8"
    & skf18("6","8","6","9","5","3","1") = "8"
    & skf18("6","8","6","9","5","4","1") = "8"
    & skf18("6","8","6","9","5","5","1") = "8"
    & skf18("6","8","6","9","5","6","1") = "8"
    & skf18("6","8","6","9","5","7","1") = "8"
    & skf18("6","8","6","9","5","8","1") = "8"
    & skf18("6","8","6","9","5","9","1") = "8"
    & skf18("6","8","6","9","5","10","1") = "9"
    & skf18("6","8","6","9","6","1","1") = "8"
    & skf18("6","8","6","9","6","2","1") = "8"
    & skf18("6","8","6","9","6","3","1") = "8"
    & skf18("6","8","6","9","6","4","1") = "8"
    & skf18("6","8","6","9","6","5","1") = "8"
    & skf18("6","8","6","9","6","6","1") = "8"
    & skf18("6","8","6","9","6","7","1") = "8"
    & skf18("6","8","6","9","6","8","1") = "8"
    & skf18("6","8","6","9","6","9","1") = "8"
    & skf18("6","8","6","9","6","10","1") = "9"
    & skf18("6","8","6","9","7","1","1") = "8"
    & skf18("6","8","6","9","7","2","1") = "8"
    & skf18("6","8","6","9","7","3","1") = "8"
    & skf18("6","8","6","9","7","4","1") = "8"
    & skf18("6","8","6","9","7","5","1") = "8"
    & skf18("6","8","6","9","7","6","1") = "8"
    & skf18("6","8","6","9","7","7","1") = "8"
    & skf18("6","8","6","9","7","8","1") = "8"
    & skf18("6","8","6","9","7","9","1") = "8"
    & skf18("6","8","6","9","7","10","1") = "9"
    & skf18("6","8","6","9","8","1","1") = "8"
    & skf18("6","8","6","9","8","2","1") = "8"
    & skf18("6","8","6","9","8","3","1") = "8"
    & skf18("6","8","6","9","8","4","1") = "8"
    & skf18("6","8","6","9","8","5","1") = "8"
    & skf18("6","8","6","9","8","6","1") = "8"
    & skf18("6","8","6","9","8","7","1") = "8"
    & skf18("6","8","6","9","8","8","1") = "8"
    & skf18("6","8","6","9","8","9","1") = "8"
    & skf18("6","8","6","9","8","10","1") = "9"
    & skf18("6","8","6","9","9","1","1") = "8"
    & skf18("6","8","6","9","9","2","1") = "8"
    & skf18("6","8","6","9","9","3","1") = "8"
    & skf18("6","8","6","9","9","4","1") = "8"
    & skf18("6","8","6","9","9","5","1") = "8"
    & skf18("6","8","6","9","9","6","1") = "8"
    & skf18("6","8","6","9","9","7","1") = "8"
    & skf18("6","8","6","9","9","8","1") = "8"
    & skf18("6","8","6","9","9","9","1") = "8"
    & skf18("6","8","6","9","9","10","1") = "9"
    & skf18("6","8","6","9","10","1","1") = "9"
    & skf18("6","8","6","9","10","2","1") = "9"
    & skf18("6","8","6","9","10","3","1") = "9"
    & skf18("6","8","6","9","10","4","1") = "9"
    & skf18("6","8","6","9","10","5","1") = "9"
    & skf18("6","8","6","9","10","6","1") = "9"
    & skf18("6","8","6","9","10","7","1") = "9"
    & skf18("6","8","6","9","10","8","1") = "9"
    & skf18("6","8","6","9","10","9","1") = "9"
    & skf18("6","8","6","9","10","10","1") = "9"
    & skf18("6","8","6","10","1","1","1") = "9"
    & skf18("6","8","6","10","1","2","1") = "9"
    & skf18("6","8","6","10","1","3","1") = "9"
    & skf18("6","8","6","10","1","4","1") = "9"
    & skf18("6","8","6","10","1","5","1") = "9"
    & skf18("6","8","6","10","1","6","1") = "9"
    & skf18("6","8","6","10","1","7","1") = "9"
    & skf18("6","8","6","10","1","8","1") = "9"
    & skf18("6","8","6","10","1","9","1") = "9"
    & skf18("6","8","6","10","1","10","1") = "9"
    & skf18("6","8","6","10","2","1","1") = "9"
    & skf18("6","8","6","10","2","2","1") = "9"
    & skf18("6","8","6","10","2","3","1") = "9"
    & skf18("6","8","6","10","2","4","1") = "9"
    & skf18("6","8","6","10","2","5","1") = "9"
    & skf18("6","8","6","10","2","6","1") = "9"
    & skf18("6","8","6","10","2","7","1") = "9"
    & skf18("6","8","6","10","2","8","1") = "9"
    & skf18("6","8","6","10","2","9","1") = "9"
    & skf18("6","8","6","10","2","10","1") = "9"
    & skf18("6","8","6","10","3","1","1") = "9"
    & skf18("6","8","6","10","3","2","1") = "9"
    & skf18("6","8","6","10","3","3","1") = "9"
    & skf18("6","8","6","10","3","4","1") = "9"
    & skf18("6","8","6","10","3","5","1") = "9"
    & skf18("6","8","6","10","3","6","1") = "9"
    & skf18("6","8","6","10","3","7","1") = "9"
    & skf18("6","8","6","10","3","8","1") = "9"
    & skf18("6","8","6","10","3","9","1") = "9"
    & skf18("6","8","6","10","3","10","1") = "9"
    & skf18("6","8","6","10","4","1","1") = "9"
    & skf18("6","8","6","10","4","2","1") = "9"
    & skf18("6","8","6","10","4","3","1") = "9"
    & skf18("6","8","6","10","4","4","1") = "9"
    & skf18("6","8","6","10","4","5","1") = "9"
    & skf18("6","8","6","10","4","6","1") = "9"
    & skf18("6","8","6","10","4","7","1") = "9"
    & skf18("6","8","6","10","4","8","1") = "9"
    & skf18("6","8","6","10","4","9","1") = "9"
    & skf18("6","8","6","10","4","10","1") = "9"
    & skf18("6","8","6","10","5","1","1") = "9"
    & skf18("6","8","6","10","5","2","1") = "9"
    & skf18("6","8","6","10","5","3","1") = "9"
    & skf18("6","8","6","10","5","4","1") = "9"
    & skf18("6","8","6","10","5","5","1") = "9"
    & skf18("6","8","6","10","5","6","1") = "9"
    & skf18("6","8","6","10","5","7","1") = "9"
    & skf18("6","8","6","10","5","8","1") = "9"
    & skf18("6","8","6","10","5","9","1") = "9"
    & skf18("6","8","6","10","5","10","1") = "9"
    & skf18("6","8","6","10","6","1","1") = "9"
    & skf18("6","8","6","10","6","2","1") = "9"
    & skf18("6","8","6","10","6","3","1") = "9"
    & skf18("6","8","6","10","6","4","1") = "9"
    & skf18("6","8","6","10","6","5","1") = "9"
    & skf18("6","8","6","10","6","6","1") = "9"
    & skf18("6","8","6","10","6","7","1") = "9"
    & skf18("6","8","6","10","6","8","1") = "9"
    & skf18("6","8","6","10","6","9","1") = "9"
    & skf18("6","8","6","10","6","10","1") = "9"
    & skf18("6","8","6","10","7","1","1") = "9"
    & skf18("6","8","6","10","7","2","1") = "9"
    & skf18("6","8","6","10","7","3","1") = "9"
    & skf18("6","8","6","10","7","4","1") = "9"
    & skf18("6","8","6","10","7","5","1") = "9"
    & skf18("6","8","6","10","7","6","1") = "9"
    & skf18("6","8","6","10","7","7","1") = "9"
    & skf18("6","8","6","10","7","8","1") = "9"
    & skf18("6","8","6","10","7","9","1") = "9"
    & skf18("6","8","6","10","7","10","1") = "9"
    & skf18("6","8","6","10","8","1","1") = "9"
    & skf18("6","8","6","10","8","2","1") = "9"
    & skf18("6","8","6","10","8","3","1") = "9"
    & skf18("6","8","6","10","8","4","1") = "9"
    & skf18("6","8","6","10","8","5","1") = "9"
    & skf18("6","8","6","10","8","6","1") = "9"
    & skf18("6","8","6","10","8","7","1") = "9"
    & skf18("6","8","6","10","8","8","1") = "9"
    & skf18("6","8","6","10","8","9","1") = "9"
    & skf18("6","8","6","10","8","10","1") = "9"
    & skf18("6","8","6","10","9","1","1") = "9"
    & skf18("6","8","6","10","9","2","1") = "9"
    & skf18("6","8","6","10","9","3","1") = "9"
    & skf18("6","8","6","10","9","4","1") = "9"
    & skf18("6","8","6","10","9","5","1") = "9"
    & skf18("6","8","6","10","9","6","1") = "9"
    & skf18("6","8","6","10","9","7","1") = "9"
    & skf18("6","8","6","10","9","8","1") = "9"
    & skf18("6","8","6","10","9","9","1") = "9"
    & skf18("6","8","6","10","9","10","1") = "9"
    & skf18("6","8","6","10","10","1","1") = "9"
    & skf18("6","8","6","10","10","2","1") = "9"
    & skf18("6","8","6","10","10","3","1") = "9"
    & skf18("6","8","6","10","10","4","1") = "9"
    & skf18("6","8","6","10","10","5","1") = "9"
    & skf18("6","8","6","10","10","6","1") = "9"
    & skf18("6","8","6","10","10","7","1") = "9"
    & skf18("6","8","6","10","10","8","1") = "9"
    & skf18("6","8","6","10","10","9","1") = "9"
    & skf18("6","8","6","10","10","10","1") = "9"
    & skf18("6","8","7","1","1","1","1") = "7"
    & skf18("6","8","7","1","1","2","1") = "7"
    & skf18("6","8","7","1","1","3","1") = "7"
    & skf18("6","8","7","1","1","4","1") = "7"
    & skf18("6","8","7","1","1","5","1") = "7"
    & skf18("6","8","7","1","1","6","1") = "7"
    & skf18("6","8","7","1","1","7","1") = "7"
    & skf18("6","8","7","1","1","8","1") = "7"
    & skf18("6","8","7","1","1","9","1") = "8"
    & skf18("6","8","7","1","1","10","1") = "9"
    & skf18("6","8","7","1","2","1","1") = "7"
    & skf18("6","8","7","1","2","2","1") = "7"
    & skf18("6","8","7","1","2","3","1") = "7"
    & skf18("6","8","7","1","2","4","1") = "7"
    & skf18("6","8","7","1","2","5","1") = "7"
    & skf18("6","8","7","1","2","6","1") = "7"
    & skf18("6","8","7","1","2","7","1") = "7"
    & skf18("6","8","7","1","2","8","1") = "7"
    & skf18("6","8","7","1","2","9","1") = "8"
    & skf18("6","8","7","1","2","10","1") = "9"
    & skf18("6","8","7","1","3","1","1") = "7"
    & skf18("6","8","7","1","3","2","1") = "7"
    & skf18("6","8","7","1","3","3","1") = "7"
    & skf18("6","8","7","1","3","4","1") = "7"
    & skf18("6","8","7","1","3","5","1") = "7"
    & skf18("6","8","7","1","3","6","1") = "7"
    & skf18("6","8","7","1","3","7","1") = "7"
    & skf18("6","8","7","1","3","8","1") = "7"
    & skf18("6","8","7","1","3","9","1") = "8"
    & skf18("6","8","7","1","3","10","1") = "9"
    & skf18("6","8","7","1","4","1","1") = "7"
    & skf18("6","8","7","1","4","2","1") = "7"
    & skf18("6","8","7","1","4","3","1") = "7"
    & skf18("6","8","7","1","4","4","1") = "7"
    & skf18("6","8","7","1","4","5","1") = "7"
    & skf18("6","8","7","1","4","6","1") = "7"
    & skf18("6","8","7","1","4","7","1") = "7"
    & skf18("6","8","7","1","4","8","1") = "7"
    & skf18("6","8","7","1","4","9","1") = "8"
    & skf18("6","8","7","1","4","10","1") = "9"
    & skf18("6","8","7","1","5","1","1") = "7"
    & skf18("6","8","7","1","5","2","1") = "7"
    & skf18("6","8","7","1","5","3","1") = "7"
    & skf18("6","8","7","1","5","4","1") = "7"
    & skf18("6","8","7","1","5","5","1") = "7"
    & skf18("6","8","7","1","5","6","1") = "7"
    & skf18("6","8","7","1","5","7","1") = "7"
    & skf18("6","8","7","1","5","8","1") = "7"
    & skf18("6","8","7","1","5","9","1") = "8"
    & skf18("6","8","7","1","5","10","1") = "9"
    & skf18("6","8","7","1","6","1","1") = "7"
    & skf18("6","8","7","1","6","2","1") = "7"
    & skf18("6","8","7","1","6","3","1") = "7"
    & skf18("6","8","7","1","6","4","1") = "7"
    & skf18("6","8","7","1","6","5","1") = "7"
    & skf18("6","8","7","1","6","6","1") = "7"
    & skf18("6","8","7","1","6","7","1") = "7"
    & skf18("6","8","7","1","6","8","1") = "7"
    & skf18("6","8","7","1","6","9","1") = "8"
    & skf18("6","8","7","1","6","10","1") = "9"
    & skf18("6","8","7","1","7","1","1") = "7"
    & skf18("6","8","7","1","7","2","1") = "7"
    & skf18("6","8","7","1","7","3","1") = "7"
    & skf18("6","8","7","1","7","4","1") = "7"
    & skf18("6","8","7","1","7","5","1") = "7"
    & skf18("6","8","7","1","7","6","1") = "7"
    & skf18("6","8","7","1","7","7","1") = "7"
    & skf18("6","8","7","1","7","8","1") = "7"
    & skf18("6","8","7","1","7","9","1") = "8"
    & skf18("6","8","7","1","7","10","1") = "9"
    & skf18("6","8","7","1","8","1","1") = "7"
    & skf18("6","8","7","1","8","2","1") = "7"
    & skf18("6","8","7","1","8","3","1") = "7"
    & skf18("6","8","7","1","8","4","1") = "7"
    & skf18("6","8","7","1","8","5","1") = "7"
    & skf18("6","8","7","1","8","6","1") = "7"
    & skf18("6","8","7","1","8","7","1") = "7"
    & skf18("6","8","7","1","8","8","1") = "7"
    & skf18("6","8","7","1","8","9","1") = "8"
    & skf18("6","8","7","1","8","10","1") = "9"
    & skf18("6","8","7","1","9","1","1") = "8"
    & skf18("6","8","7","1","9","2","1") = "8"
    & skf18("6","8","7","1","9","3","1") = "8"
    & skf18("6","8","7","1","9","4","1") = "8"
    & skf18("6","8","7","1","9","5","1") = "8"
    & skf18("6","8","7","1","9","6","1") = "8"
    & skf18("6","8","7","1","9","7","1") = "8"
    & skf18("6","8","7","1","9","8","1") = "8"
    & skf18("6","8","7","1","9","9","1") = "8"
    & skf18("6","8","7","1","9","10","1") = "9"
    & skf18("6","8","7","1","10","1","1") = "9"
    & skf18("6","8","7","1","10","2","1") = "9"
    & skf18("6","8","7","1","10","3","1") = "9"
    & skf18("6","8","7","1","10","4","1") = "9"
    & skf18("6","8","7","1","10","5","1") = "9"
    & skf18("6","8","7","1","10","6","1") = "9"
    & skf18("6","8","7","1","10","7","1") = "9"
    & skf18("6","8","7","1","10","8","1") = "9"
    & skf18("6","8","7","1","10","9","1") = "9"
    & skf18("6","8","7","1","10","10","1") = "9"
    & skf18("6","8","7","2","1","1","1") = "7"
    & skf18("6","8","7","2","1","2","1") = "7"
    & skf18("6","8","7","2","1","3","1") = "7"
    & skf18("6","8","7","2","1","4","1") = "7"
    & skf18("6","8","7","2","1","5","1") = "7"
    & skf18("6","8","7","2","1","6","1") = "7"
    & skf18("6","8","7","2","1","7","1") = "7"
    & skf18("6","8","7","2","1","8","1") = "7"
    & skf18("6","8","7","2","1","9","1") = "8"
    & skf18("6","8","7","2","1","10","1") = "9"
    & skf18("6","8","7","2","2","1","1") = "7"
    & skf18("6","8","7","2","2","2","1") = "7"
    & skf18("6","8","7","2","2","3","1") = "7"
    & skf18("6","8","7","2","2","4","1") = "7"
    & skf18("6","8","7","2","2","5","1") = "7"
    & skf18("6","8","7","2","2","6","1") = "7"
    & skf18("6","8","7","2","2","7","1") = "7"
    & skf18("6","8","7","2","2","8","1") = "7"
    & skf18("6","8","7","2","2","9","1") = "8"
    & skf18("6","8","7","2","2","10","1") = "9"
    & skf18("6","8","7","2","3","1","1") = "7"
    & skf18("6","8","7","2","3","2","1") = "7"
    & skf18("6","8","7","2","3","3","1") = "7"
    & skf18("6","8","7","2","3","4","1") = "7"
    & skf18("6","8","7","2","3","5","1") = "7"
    & skf18("6","8","7","2","3","6","1") = "7"
    & skf18("6","8","7","2","3","7","1") = "7"
    & skf18("6","8","7","2","3","8","1") = "7"
    & skf18("6","8","7","2","3","9","1") = "8"
    & skf18("6","8","7","2","3","10","1") = "9"
    & skf18("6","8","7","2","4","1","1") = "7"
    & skf18("6","8","7","2","4","2","1") = "7"
    & skf18("6","8","7","2","4","3","1") = "7"
    & skf18("6","8","7","2","4","4","1") = "7"
    & skf18("6","8","7","2","4","5","1") = "7"
    & skf18("6","8","7","2","4","6","1") = "7"
    & skf18("6","8","7","2","4","7","1") = "7"
    & skf18("6","8","7","2","4","8","1") = "7"
    & skf18("6","8","7","2","4","9","1") = "8"
    & skf18("6","8","7","2","4","10","1") = "9"
    & skf18("6","8","7","2","5","1","1") = "7"
    & skf18("6","8","7","2","5","2","1") = "7"
    & skf18("6","8","7","2","5","3","1") = "7"
    & skf18("6","8","7","2","5","4","1") = "7"
    & skf18("6","8","7","2","5","5","1") = "7"
    & skf18("6","8","7","2","5","6","1") = "7"
    & skf18("6","8","7","2","5","7","1") = "7"
    & skf18("6","8","7","2","5","8","1") = "7"
    & skf18("6","8","7","2","5","9","1") = "8"
    & skf18("6","8","7","2","5","10","1") = "9"
    & skf18("6","8","7","2","6","1","1") = "7"
    & skf18("6","8","7","2","6","2","1") = "7"
    & skf18("6","8","7","2","6","3","1") = "7"
    & skf18("6","8","7","2","6","4","1") = "7"
    & skf18("6","8","7","2","6","5","1") = "7"
    & skf18("6","8","7","2","6","6","1") = "7"
    & skf18("6","8","7","2","6","7","1") = "7"
    & skf18("6","8","7","2","6","8","1") = "7"
    & skf18("6","8","7","2","6","9","1") = "8"
    & skf18("6","8","7","2","6","10","1") = "9"
    & skf18("6","8","7","2","7","1","1") = "7"
    & skf18("6","8","7","2","7","2","1") = "7"
    & skf18("6","8","7","2","7","3","1") = "7"
    & skf18("6","8","7","2","7","4","1") = "7"
    & skf18("6","8","7","2","7","5","1") = "7"
    & skf18("6","8","7","2","7","6","1") = "7"
    & skf18("6","8","7","2","7","7","1") = "7"
    & skf18("6","8","7","2","7","8","1") = "7"
    & skf18("6","8","7","2","7","9","1") = "8"
    & skf18("6","8","7","2","7","10","1") = "9"
    & skf18("6","8","7","2","8","1","1") = "7"
    & skf18("6","8","7","2","8","2","1") = "7"
    & skf18("6","8","7","2","8","3","1") = "7"
    & skf18("6","8","7","2","8","4","1") = "7"
    & skf18("6","8","7","2","8","5","1") = "7"
    & skf18("6","8","7","2","8","6","1") = "7"
    & skf18("6","8","7","2","8","7","1") = "7"
    & skf18("6","8","7","2","8","8","1") = "7"
    & skf18("6","8","7","2","8","9","1") = "8"
    & skf18("6","8","7","2","8","10","1") = "9"
    & skf18("6","8","7","2","9","1","1") = "8"
    & skf18("6","8","7","2","9","2","1") = "8"
    & skf18("6","8","7","2","9","3","1") = "8"
    & skf18("6","8","7","2","9","4","1") = "8"
    & skf18("6","8","7","2","9","5","1") = "8"
    & skf18("6","8","7","2","9","6","1") = "8"
    & skf18("6","8","7","2","9","7","1") = "8"
    & skf18("6","8","7","2","9","8","1") = "8"
    & skf18("6","8","7","2","9","9","1") = "8"
    & skf18("6","8","7","2","9","10","1") = "9"
    & skf18("6","8","7","2","10","1","1") = "9"
    & skf18("6","8","7","2","10","2","1") = "9"
    & skf18("6","8","7","2","10","3","1") = "9"
    & skf18("6","8","7","2","10","4","1") = "9"
    & skf18("6","8","7","2","10","5","1") = "9"
    & skf18("6","8","7","2","10","6","1") = "9"
    & skf18("6","8","7","2","10","7","1") = "9"
    & skf18("6","8","7","2","10","8","1") = "9"
    & skf18("6","8","7","2","10","9","1") = "9"
    & skf18("6","8","7","2","10","10","1") = "9"
    & skf18("6","8","7","3","1","1","1") = "7"
    & skf18("6","8","7","3","1","2","1") = "7"
    & skf18("6","8","7","3","1","3","1") = "7"
    & skf18("6","8","7","3","1","4","1") = "7"
    & skf18("6","8","7","3","1","5","1") = "7"
    & skf18("6","8","7","3","1","6","1") = "7"
    & skf18("6","8","7","3","1","7","1") = "7"
    & skf18("6","8","7","3","1","8","1") = "7"
    & skf18("6","8","7","3","1","9","1") = "8"
    & skf18("6","8","7","3","1","10","1") = "9"
    & skf18("6","8","7","3","2","1","1") = "7"
    & skf18("6","8","7","3","2","2","1") = "7"
    & skf18("6","8","7","3","2","3","1") = "7"
    & skf18("6","8","7","3","2","4","1") = "7"
    & skf18("6","8","7","3","2","5","1") = "7"
    & skf18("6","8","7","3","2","6","1") = "7"
    & skf18("6","8","7","3","2","7","1") = "7"
    & skf18("6","8","7","3","2","8","1") = "7"
    & skf18("6","8","7","3","2","9","1") = "8"
    & skf18("6","8","7","3","2","10","1") = "9"
    & skf18("6","8","7","3","3","1","1") = "7"
    & skf18("6","8","7","3","3","2","1") = "7"
    & skf18("6","8","7","3","3","3","1") = "7"
    & skf18("6","8","7","3","3","4","1") = "7"
    & skf18("6","8","7","3","3","5","1") = "7"
    & skf18("6","8","7","3","3","6","1") = "7"
    & skf18("6","8","7","3","3","7","1") = "7"
    & skf18("6","8","7","3","3","8","1") = "7"
    & skf18("6","8","7","3","3","9","1") = "8"
    & skf18("6","8","7","3","3","10","1") = "9"
    & skf18("6","8","7","3","4","1","1") = "7"
    & skf18("6","8","7","3","4","2","1") = "7"
    & skf18("6","8","7","3","4","3","1") = "7"
    & skf18("6","8","7","3","4","4","1") = "7"
    & skf18("6","8","7","3","4","5","1") = "7"
    & skf18("6","8","7","3","4","6","1") = "7"
    & skf18("6","8","7","3","4","7","1") = "7"
    & skf18("6","8","7","3","4","8","1") = "7"
    & skf18("6","8","7","3","4","9","1") = "8"
    & skf18("6","8","7","3","4","10","1") = "9"
    & skf18("6","8","7","3","5","1","1") = "7"
    & skf18("6","8","7","3","5","2","1") = "7"
    & skf18("6","8","7","3","5","3","1") = "7"
    & skf18("6","8","7","3","5","4","1") = "7"
    & skf18("6","8","7","3","5","5","1") = "7"
    & skf18("6","8","7","3","5","6","1") = "7"
    & skf18("6","8","7","3","5","7","1") = "7"
    & skf18("6","8","7","3","5","8","1") = "7"
    & skf18("6","8","7","3","5","9","1") = "8"
    & skf18("6","8","7","3","5","10","1") = "9"
    & skf18("6","8","7","3","6","1","1") = "7"
    & skf18("6","8","7","3","6","2","1") = "7"
    & skf18("6","8","7","3","6","3","1") = "7"
    & skf18("6","8","7","3","6","4","1") = "7"
    & skf18("6","8","7","3","6","5","1") = "7"
    & skf18("6","8","7","3","6","6","1") = "7"
    & skf18("6","8","7","3","6","7","1") = "7"
    & skf18("6","8","7","3","6","8","1") = "7"
    & skf18("6","8","7","3","6","9","1") = "8"
    & skf18("6","8","7","3","6","10","1") = "9"
    & skf18("6","8","7","3","7","1","1") = "7"
    & skf18("6","8","7","3","7","2","1") = "7"
    & skf18("6","8","7","3","7","3","1") = "7"
    & skf18("6","8","7","3","7","4","1") = "7"
    & skf18("6","8","7","3","7","5","1") = "7"
    & skf18("6","8","7","3","7","6","1") = "7"
    & skf18("6","8","7","3","7","7","1") = "7"
    & skf18("6","8","7","3","7","8","1") = "7"
    & skf18("6","8","7","3","7","9","1") = "8"
    & skf18("6","8","7","3","7","10","1") = "9"
    & skf18("6","8","7","3","8","1","1") = "7"
    & skf18("6","8","7","3","8","2","1") = "7"
    & skf18("6","8","7","3","8","3","1") = "7"
    & skf18("6","8","7","3","8","4","1") = "7"
    & skf18("6","8","7","3","8","5","1") = "7"
    & skf18("6","8","7","3","8","6","1") = "7"
    & skf18("6","8","7","3","8","7","1") = "7"
    & skf18("6","8","7","3","8","8","1") = "7"
    & skf18("6","8","7","3","8","9","1") = "8"
    & skf18("6","8","7","3","8","10","1") = "9"
    & skf18("6","8","7","3","9","1","1") = "8"
    & skf18("6","8","7","3","9","2","1") = "8"
    & skf18("6","8","7","3","9","3","1") = "8"
    & skf18("6","8","7","3","9","4","1") = "8"
    & skf18("6","8","7","3","9","5","1") = "8"
    & skf18("6","8","7","3","9","6","1") = "8"
    & skf18("6","8","7","3","9","7","1") = "8"
    & skf18("6","8","7","3","9","8","1") = "8"
    & skf18("6","8","7","3","9","9","1") = "8"
    & skf18("6","8","7","3","9","10","1") = "9"
    & skf18("6","8","7","3","10","1","1") = "9"
    & skf18("6","8","7","3","10","2","1") = "9"
    & skf18("6","8","7","3","10","3","1") = "9"
    & skf18("6","8","7","3","10","4","1") = "9"
    & skf18("6","8","7","3","10","5","1") = "9"
    & skf18("6","8","7","3","10","6","1") = "9"
    & skf18("6","8","7","3","10","7","1") = "9"
    & skf18("6","8","7","3","10","8","1") = "9"
    & skf18("6","8","7","3","10","9","1") = "9"
    & skf18("6","8","7","3","10","10","1") = "9"
    & skf18("6","8","7","4","1","1","1") = "7"
    & skf18("6","8","7","4","1","2","1") = "7"
    & skf18("6","8","7","4","1","3","1") = "7"
    & skf18("6","8","7","4","1","4","1") = "7"
    & skf18("6","8","7","4","1","5","1") = "7"
    & skf18("6","8","7","4","1","6","1") = "7"
    & skf18("6","8","7","4","1","7","1") = "7"
    & skf18("6","8","7","4","1","8","1") = "7"
    & skf18("6","8","7","4","1","9","1") = "8"
    & skf18("6","8","7","4","1","10","1") = "9"
    & skf18("6","8","7","4","2","1","1") = "7"
    & skf18("6","8","7","4","2","2","1") = "7"
    & skf18("6","8","7","4","2","3","1") = "7"
    & skf18("6","8","7","4","2","4","1") = "7"
    & skf18("6","8","7","4","2","5","1") = "7"
    & skf18("6","8","7","4","2","6","1") = "7"
    & skf18("6","8","7","4","2","7","1") = "7"
    & skf18("6","8","7","4","2","8","1") = "7"
    & skf18("6","8","7","4","2","9","1") = "8"
    & skf18("6","8","7","4","2","10","1") = "9"
    & skf18("6","8","7","4","3","1","1") = "7"
    & skf18("6","8","7","4","3","2","1") = "7"
    & skf18("6","8","7","4","3","3","1") = "7"
    & skf18("6","8","7","4","3","4","1") = "7"
    & skf18("6","8","7","4","3","5","1") = "7"
    & skf18("6","8","7","4","3","6","1") = "7"
    & skf18("6","8","7","4","3","7","1") = "7"
    & skf18("6","8","7","4","3","8","1") = "7"
    & skf18("6","8","7","4","3","9","1") = "8"
    & skf18("6","8","7","4","3","10","1") = "9"
    & skf18("6","8","7","4","4","1","1") = "7"
    & skf18("6","8","7","4","4","2","1") = "7"
    & skf18("6","8","7","4","4","3","1") = "7"
    & skf18("6","8","7","4","4","4","1") = "7"
    & skf18("6","8","7","4","4","5","1") = "7"
    & skf18("6","8","7","4","4","6","1") = "7"
    & skf18("6","8","7","4","4","7","1") = "7"
    & skf18("6","8","7","4","4","8","1") = "7"
    & skf18("6","8","7","4","4","9","1") = "8"
    & skf18("6","8","7","4","4","10","1") = "9"
    & skf18("6","8","7","4","5","1","1") = "7"
    & skf18("6","8","7","4","5","2","1") = "7"
    & skf18("6","8","7","4","5","3","1") = "7"
    & skf18("6","8","7","4","5","4","1") = "7"
    & skf18("6","8","7","4","5","5","1") = "7"
    & skf18("6","8","7","4","5","6","1") = "7"
    & skf18("6","8","7","4","5","7","1") = "7"
    & skf18("6","8","7","4","5","8","1") = "7"
    & skf18("6","8","7","4","5","9","1") = "8"
    & skf18("6","8","7","4","5","10","1") = "9"
    & skf18("6","8","7","4","6","1","1") = "7"
    & skf18("6","8","7","4","6","2","1") = "7"
    & skf18("6","8","7","4","6","3","1") = "7"
    & skf18("6","8","7","4","6","4","1") = "7"
    & skf18("6","8","7","4","6","5","1") = "7"
    & skf18("6","8","7","4","6","6","1") = "7"
    & skf18("6","8","7","4","6","7","1") = "7"
    & skf18("6","8","7","4","6","8","1") = "7"
    & skf18("6","8","7","4","6","9","1") = "8"
    & skf18("6","8","7","4","6","10","1") = "9"
    & skf18("6","8","7","4","7","1","1") = "7"
    & skf18("6","8","7","4","7","2","1") = "7"
    & skf18("6","8","7","4","7","3","1") = "7"
    & skf18("6","8","7","4","7","4","1") = "7"
    & skf18("6","8","7","4","7","5","1") = "7"
    & skf18("6","8","7","4","7","6","1") = "7"
    & skf18("6","8","7","4","7","7","1") = "7"
    & skf18("6","8","7","4","7","8","1") = "7"
    & skf18("6","8","7","4","7","9","1") = "8"
    & skf18("6","8","7","4","7","10","1") = "9"
    & skf18("6","8","7","4","8","1","1") = "7"
    & skf18("6","8","7","4","8","2","1") = "7"
    & skf18("6","8","7","4","8","3","1") = "7"
    & skf18("6","8","7","4","8","4","1") = "7"
    & skf18("6","8","7","4","8","5","1") = "7"
    & skf18("6","8","7","4","8","6","1") = "7"
    & skf18("6","8","7","4","8","7","1") = "7"
    & skf18("6","8","7","4","8","8","1") = "7"
    & skf18("6","8","7","4","8","9","1") = "8"
    & skf18("6","8","7","4","8","10","1") = "9"
    & skf18("6","8","7","4","9","1","1") = "8"
    & skf18("6","8","7","4","9","2","1") = "8"
    & skf18("6","8","7","4","9","3","1") = "8"
    & skf18("6","8","7","4","9","4","1") = "8"
    & skf18("6","8","7","4","9","5","1") = "8"
    & skf18("6","8","7","4","9","6","1") = "8"
    & skf18("6","8","7","4","9","7","1") = "8"
    & skf18("6","8","7","4","9","8","1") = "8"
    & skf18("6","8","7","4","9","9","1") = "8"
    & skf18("6","8","7","4","9","10","1") = "9"
    & skf18("6","8","7","4","10","1","1") = "9"
    & skf18("6","8","7","4","10","2","1") = "9"
    & skf18("6","8","7","4","10","3","1") = "9"
    & skf18("6","8","7","4","10","4","1") = "9"
    & skf18("6","8","7","4","10","5","1") = "9"
    & skf18("6","8","7","4","10","6","1") = "9"
    & skf18("6","8","7","4","10","7","1") = "9"
    & skf18("6","8","7","4","10","8","1") = "9"
    & skf18("6","8","7","4","10","9","1") = "9"
    & skf18("6","8","7","4","10","10","1") = "9"
    & skf18("6","8","7","5","1","1","1") = "7"
    & skf18("6","8","7","5","1","2","1") = "7"
    & skf18("6","8","7","5","1","3","1") = "7"
    & skf18("6","8","7","5","1","4","1") = "7"
    & skf18("6","8","7","5","1","5","1") = "7"
    & skf18("6","8","7","5","1","6","1") = "7"
    & skf18("6","8","7","5","1","7","1") = "7"
    & skf18("6","8","7","5","1","8","1") = "7"
    & skf18("6","8","7","5","1","9","1") = "8"
    & skf18("6","8","7","5","1","10","1") = "9"
    & skf18("6","8","7","5","2","1","1") = "7"
    & skf18("6","8","7","5","2","2","1") = "7"
    & skf18("6","8","7","5","2","3","1") = "7"
    & skf18("6","8","7","5","2","4","1") = "7"
    & skf18("6","8","7","5","2","5","1") = "7"
    & skf18("6","8","7","5","2","6","1") = "7"
    & skf18("6","8","7","5","2","7","1") = "7"
    & skf18("6","8","7","5","2","8","1") = "7"
    & skf18("6","8","7","5","2","9","1") = "8"
    & skf18("6","8","7","5","2","10","1") = "9"
    & skf18("6","8","7","5","3","1","1") = "7"
    & skf18("6","8","7","5","3","2","1") = "7"
    & skf18("6","8","7","5","3","3","1") = "7"
    & skf18("6","8","7","5","3","4","1") = "7"
    & skf18("6","8","7","5","3","5","1") = "7"
    & skf18("6","8","7","5","3","6","1") = "7"
    & skf18("6","8","7","5","3","7","1") = "7"
    & skf18("6","8","7","5","3","8","1") = "7"
    & skf18("6","8","7","5","3","9","1") = "8"
    & skf18("6","8","7","5","3","10","1") = "9"
    & skf18("6","8","7","5","4","1","1") = "7"
    & skf18("6","8","7","5","4","2","1") = "7"
    & skf18("6","8","7","5","4","3","1") = "7"
    & skf18("6","8","7","5","4","4","1") = "7"
    & skf18("6","8","7","5","4","5","1") = "7"
    & skf18("6","8","7","5","4","6","1") = "7"
    & skf18("6","8","7","5","4","7","1") = "7"
    & skf18("6","8","7","5","4","8","1") = "7"
    & skf18("6","8","7","5","4","9","1") = "8"
    & skf18("6","8","7","5","4","10","1") = "9"
    & skf18("6","8","7","5","5","1","1") = "7"
    & skf18("6","8","7","5","5","2","1") = "7"
    & skf18("6","8","7","5","5","3","1") = "7"
    & skf18("6","8","7","5","5","4","1") = "7"
    & skf18("6","8","7","5","5","5","1") = "7"
    & skf18("6","8","7","5","5","6","1") = "7"
    & skf18("6","8","7","5","5","7","1") = "7"
    & skf18("6","8","7","5","5","8","1") = "7"
    & skf18("6","8","7","5","5","9","1") = "8"
    & skf18("6","8","7","5","5","10","1") = "9"
    & skf18("6","8","7","5","6","1","1") = "7"
    & skf18("6","8","7","5","6","2","1") = "7"
    & skf18("6","8","7","5","6","3","1") = "7"
    & skf18("6","8","7","5","6","4","1") = "7"
    & skf18("6","8","7","5","6","5","1") = "7"
    & skf18("6","8","7","5","6","6","1") = "7"
    & skf18("6","8","7","5","6","7","1") = "7"
    & skf18("6","8","7","5","6","8","1") = "7"
    & skf18("6","8","7","5","6","9","1") = "8"
    & skf18("6","8","7","5","6","10","1") = "9"
    & skf18("6","8","7","5","7","1","1") = "7"
    & skf18("6","8","7","5","7","2","1") = "7"
    & skf18("6","8","7","5","7","3","1") = "7"
    & skf18("6","8","7","5","7","4","1") = "7"
    & skf18("6","8","7","5","7","5","1") = "7"
    & skf18("6","8","7","5","7","6","1") = "7"
    & skf18("6","8","7","5","7","7","1") = "7"
    & skf18("6","8","7","5","7","8","1") = "7"
    & skf18("6","8","7","5","7","9","1") = "8"
    & skf18("6","8","7","5","7","10","1") = "9"
    & skf18("6","8","7","5","8","1","1") = "7"
    & skf18("6","8","7","5","8","2","1") = "7"
    & skf18("6","8","7","5","8","3","1") = "7"
    & skf18("6","8","7","5","8","4","1") = "7"
    & skf18("6","8","7","5","8","5","1") = "7"
    & skf18("6","8","7","5","8","6","1") = "7"
    & skf18("6","8","7","5","8","7","1") = "7"
    & skf18("6","8","7","5","8","8","1") = "7"
    & skf18("6","8","7","5","8","9","1") = "8"
    & skf18("6","8","7","5","8","10","1") = "9"
    & skf18("6","8","7","5","9","1","1") = "8"
    & skf18("6","8","7","5","9","2","1") = "8"
    & skf18("6","8","7","5","9","3","1") = "8"
    & skf18("6","8","7","5","9","4","1") = "8"
    & skf18("6","8","7","5","9","5","1") = "8"
    & skf18("6","8","7","5","9","6","1") = "8"
    & skf18("6","8","7","5","9","7","1") = "8"
    & skf18("6","8","7","5","9","8","1") = "8"
    & skf18("6","8","7","5","9","9","1") = "8"
    & skf18("6","8","7","5","9","10","1") = "9"
    & skf18("6","8","7","5","10","1","1") = "9"
    & skf18("6","8","7","5","10","2","1") = "9"
    & skf18("6","8","7","5","10","3","1") = "9"
    & skf18("6","8","7","5","10","4","1") = "9"
    & skf18("6","8","7","5","10","5","1") = "9"
    & skf18("6","8","7","5","10","6","1") = "9"
    & skf18("6","8","7","5","10","7","1") = "9"
    & skf18("6","8","7","5","10","8","1") = "9"
    & skf18("6","8","7","5","10","9","1") = "9"
    & skf18("6","8","7","5","10","10","1") = "9"
    & skf18("6","8","7","6","1","1","1") = "7"
    & skf18("6","8","7","6","1","2","1") = "7"
    & skf18("6","8","7","6","1","3","1") = "7"
    & skf18("6","8","7","6","1","4","1") = "7"
    & skf18("6","8","7","6","1","5","1") = "7"
    & skf18("6","8","7","6","1","6","1") = "7"
    & skf18("6","8","7","6","1","7","1") = "7"
    & skf18("6","8","7","6","1","8","1") = "7"
    & skf18("6","8","7","6","1","9","1") = "8"
    & skf18("6","8","7","6","1","10","1") = "9"
    & skf18("6","8","7","6","2","1","1") = "7"
    & skf18("6","8","7","6","2","2","1") = "7"
    & skf18("6","8","7","6","2","3","1") = "7"
    & skf18("6","8","7","6","2","4","1") = "7"
    & skf18("6","8","7","6","2","5","1") = "7"
    & skf18("6","8","7","6","2","6","1") = "7"
    & skf18("6","8","7","6","2","7","1") = "7"
    & skf18("6","8","7","6","2","8","1") = "7"
    & skf18("6","8","7","6","2","9","1") = "8"
    & skf18("6","8","7","6","2","10","1") = "9"
    & skf18("6","8","7","6","3","1","1") = "7"
    & skf18("6","8","7","6","3","2","1") = "7"
    & skf18("6","8","7","6","3","3","1") = "7"
    & skf18("6","8","7","6","3","4","1") = "7"
    & skf18("6","8","7","6","3","5","1") = "7"
    & skf18("6","8","7","6","3","6","1") = "7"
    & skf18("6","8","7","6","3","7","1") = "7"
    & skf18("6","8","7","6","3","8","1") = "7"
    & skf18("6","8","7","6","3","9","1") = "8"
    & skf18("6","8","7","6","3","10","1") = "9"
    & skf18("6","8","7","6","4","1","1") = "7"
    & skf18("6","8","7","6","4","2","1") = "7"
    & skf18("6","8","7","6","4","3","1") = "7"
    & skf18("6","8","7","6","4","4","1") = "7"
    & skf18("6","8","7","6","4","5","1") = "7"
    & skf18("6","8","7","6","4","6","1") = "7"
    & skf18("6","8","7","6","4","7","1") = "7"
    & skf18("6","8","7","6","4","8","1") = "7"
    & skf18("6","8","7","6","4","9","1") = "8"
    & skf18("6","8","7","6","4","10","1") = "9"
    & skf18("6","8","7","6","5","1","1") = "7"
    & skf18("6","8","7","6","5","2","1") = "7"
    & skf18("6","8","7","6","5","3","1") = "7"
    & skf18("6","8","7","6","5","4","1") = "7"
    & skf18("6","8","7","6","5","5","1") = "7"
    & skf18("6","8","7","6","5","6","1") = "7"
    & skf18("6","8","7","6","5","7","1") = "7"
    & skf18("6","8","7","6","5","8","1") = "7"
    & skf18("6","8","7","6","5","9","1") = "8"
    & skf18("6","8","7","6","5","10","1") = "9"
    & skf18("6","8","7","6","6","1","1") = "7"
    & skf18("6","8","7","6","6","2","1") = "7"
    & skf18("6","8","7","6","6","3","1") = "7"
    & skf18("6","8","7","6","6","4","1") = "7"
    & skf18("6","8","7","6","6","5","1") = "7"
    & skf18("6","8","7","6","6","6","1") = "7"
    & skf18("6","8","7","6","6","7","1") = "7"
    & skf18("6","8","7","6","6","8","1") = "7"
    & skf18("6","8","7","6","6","9","1") = "8"
    & skf18("6","8","7","6","6","10","1") = "9"
    & skf18("6","8","7","6","7","1","1") = "7"
    & skf18("6","8","7","6","7","2","1") = "7"
    & skf18("6","8","7","6","7","3","1") = "7"
    & skf18("6","8","7","6","7","4","1") = "7"
    & skf18("6","8","7","6","7","5","1") = "7"
    & skf18("6","8","7","6","7","6","1") = "7"
    & skf18("6","8","7","6","7","7","1") = "7"
    & skf18("6","8","7","6","7","8","1") = "7"
    & skf18("6","8","7","6","7","9","1") = "8"
    & skf18("6","8","7","6","7","10","1") = "9"
    & skf18("6","8","7","6","8","1","1") = "7"
    & skf18("6","8","7","6","8","2","1") = "7"
    & skf18("6","8","7","6","8","3","1") = "7"
    & skf18("6","8","7","6","8","4","1") = "7"
    & skf18("6","8","7","6","8","5","1") = "7"
    & skf18("6","8","7","6","8","6","1") = "7"
    & skf18("6","8","7","6","8","7","1") = "7"
    & skf18("6","8","7","6","8","8","1") = "7"
    & skf18("6","8","7","6","8","9","1") = "8"
    & skf18("6","8","7","6","8","10","1") = "9"
    & skf18("6","8","7","6","9","1","1") = "8"
    & skf18("6","8","7","6","9","2","1") = "8"
    & skf18("6","8","7","6","9","3","1") = "8"
    & skf18("6","8","7","6","9","4","1") = "8"
    & skf18("6","8","7","6","9","5","1") = "8"
    & skf18("6","8","7","6","9","6","1") = "8"
    & skf18("6","8","7","6","9","7","1") = "8"
    & skf18("6","8","7","6","9","8","1") = "8"
    & skf18("6","8","7","6","9","9","1") = "8"
    & skf18("6","8","7","6","9","10","1") = "9"
    & skf18("6","8","7","6","10","1","1") = "9"
    & skf18("6","8","7","6","10","2","1") = "9"
    & skf18("6","8","7","6","10","3","1") = "9"
    & skf18("6","8","7","6","10","4","1") = "9"
    & skf18("6","8","7","6","10","5","1") = "9"
    & skf18("6","8","7","6","10","6","1") = "9"
    & skf18("6","8","7","6","10","7","1") = "9"
    & skf18("6","8","7","6","10","8","1") = "9"
    & skf18("6","8","7","6","10","9","1") = "9"
    & skf18("6","8","7","6","10","10","1") = "9"
    & skf18("6","8","7","7","1","1","1") = "7"
    & skf18("6","8","7","7","1","2","1") = "7"
    & skf18("6","8","7","7","1","3","1") = "7"
    & skf18("6","8","7","7","1","4","1") = "7"
    & skf18("6","8","7","7","1","5","1") = "7"
    & skf18("6","8","7","7","1","6","1") = "7"
    & skf18("6","8","7","7","1","7","1") = "7"
    & skf18("6","8","7","7","1","8","1") = "7"
    & skf18("6","8","7","7","1","9","1") = "8"
    & skf18("6","8","7","7","1","10","1") = "9"
    & skf18("6","8","7","7","2","1","1") = "7"
    & skf18("6","8","7","7","2","2","1") = "7"
    & skf18("6","8","7","7","2","3","1") = "7"
    & skf18("6","8","7","7","2","4","1") = "7"
    & skf18("6","8","7","7","2","5","1") = "7"
    & skf18("6","8","7","7","2","6","1") = "7"
    & skf18("6","8","7","7","2","7","1") = "7"
    & skf18("6","8","7","7","2","8","1") = "7"
    & skf18("6","8","7","7","2","9","1") = "8"
    & skf18("6","8","7","7","2","10","1") = "9"
    & skf18("6","8","7","7","3","1","1") = "7"
    & skf18("6","8","7","7","3","2","1") = "7"
    & skf18("6","8","7","7","3","3","1") = "7"
    & skf18("6","8","7","7","3","4","1") = "7"
    & skf18("6","8","7","7","3","5","1") = "7"
    & skf18("6","8","7","7","3","6","1") = "7"
    & skf18("6","8","7","7","3","7","1") = "7"
    & skf18("6","8","7","7","3","8","1") = "7"
    & skf18("6","8","7","7","3","9","1") = "8"
    & skf18("6","8","7","7","3","10","1") = "9"
    & skf18("6","8","7","7","4","1","1") = "7"
    & skf18("6","8","7","7","4","2","1") = "7"
    & skf18("6","8","7","7","4","3","1") = "7"
    & skf18("6","8","7","7","4","4","1") = "7"
    & skf18("6","8","7","7","4","5","1") = "7"
    & skf18("6","8","7","7","4","6","1") = "7"
    & skf18("6","8","7","7","4","7","1") = "7"
    & skf18("6","8","7","7","4","8","1") = "7"
    & skf18("6","8","7","7","4","9","1") = "8"
    & skf18("6","8","7","7","4","10","1") = "9"
    & skf18("6","8","7","7","5","1","1") = "7"
    & skf18("6","8","7","7","5","2","1") = "7"
    & skf18("6","8","7","7","5","3","1") = "7"
    & skf18("6","8","7","7","5","4","1") = "7"
    & skf18("6","8","7","7","5","5","1") = "7"
    & skf18("6","8","7","7","5","6","1") = "7"
    & skf18("6","8","7","7","5","7","1") = "7"
    & skf18("6","8","7","7","5","8","1") = "7"
    & skf18("6","8","7","7","5","9","1") = "8"
    & skf18("6","8","7","7","5","10","1") = "9"
    & skf18("6","8","7","7","6","1","1") = "7"
    & skf18("6","8","7","7","6","2","1") = "7"
    & skf18("6","8","7","7","6","3","1") = "7"
    & skf18("6","8","7","7","6","4","1") = "7"
    & skf18("6","8","7","7","6","5","1") = "7"
    & skf18("6","8","7","7","6","6","1") = "7"
    & skf18("6","8","7","7","6","7","1") = "7"
    & skf18("6","8","7","7","6","8","1") = "7"
    & skf18("6","8","7","7","6","9","1") = "8"
    & skf18("6","8","7","7","6","10","1") = "9"
    & skf18("6","8","7","7","7","1","1") = "7"
    & skf18("6","8","7","7","7","2","1") = "7"
    & skf18("6","8","7","7","7","3","1") = "7"
    & skf18("6","8","7","7","7","4","1") = "7"
    & skf18("6","8","7","7","7","5","1") = "7"
    & skf18("6","8","7","7","7","6","1") = "7"
    & skf18("6","8","7","7","7","7","1") = "7"
    & skf18("6","8","7","7","7","8","1") = "7"
    & skf18("6","8","7","7","7","9","1") = "8"
    & skf18("6","8","7","7","7","10","1") = "9"
    & skf18("6","8","7","7","8","1","1") = "7"
    & skf18("6","8","7","7","8","2","1") = "7"
    & skf18("6","8","7","7","8","3","1") = "7"
    & skf18("6","8","7","7","8","4","1") = "7"
    & skf18("6","8","7","7","8","5","1") = "7"
    & skf18("6","8","7","7","8","6","1") = "7"
    & skf18("6","8","7","7","8","7","1") = "7"
    & skf18("6","8","7","7","8","8","1") = "7"
    & skf18("6","8","7","7","8","9","1") = "8"
    & skf18("6","8","7","7","8","10","1") = "9"
    & skf18("6","8","7","7","9","1","1") = "8"
    & skf18("6","8","7","7","9","2","1") = "8"
    & skf18("6","8","7","7","9","3","1") = "8"
    & skf18("6","8","7","7","9","4","1") = "8"
    & skf18("6","8","7","7","9","5","1") = "8"
    & skf18("6","8","7","7","9","6","1") = "8"
    & skf18("6","8","7","7","9","7","1") = "8"
    & skf18("6","8","7","7","9","8","1") = "8"
    & skf18("6","8","7","7","9","9","1") = "8"
    & skf18("6","8","7","7","9","10","1") = "9"
    & skf18("6","8","7","7","10","1","1") = "9"
    & skf18("6","8","7","7","10","2","1") = "9"
    & skf18("6","8","7","7","10","3","1") = "9"
    & skf18("6","8","7","7","10","4","1") = "9"
    & skf18("6","8","7","7","10","5","1") = "9"
    & skf18("6","8","7","7","10","6","1") = "9"
    & skf18("6","8","7","7","10","7","1") = "9"
    & skf18("6","8","7","7","10","8","1") = "9"
    & skf18("6","8","7","7","10","9","1") = "9"
    & skf18("6","8","7","7","10","10","1") = "9"
    & skf18("6","8","7","8","1","1","1") = "7"
    & skf18("6","8","7","8","1","2","1") = "7"
    & skf18("6","8","7","8","1","3","1") = "7"
    & skf18("6","8","7","8","1","4","1") = "7"
    & skf18("6","8","7","8","1","5","1") = "7"
    & skf18("6","8","7","8","1","6","1") = "7"
    & skf18("6","8","7","8","1","7","1") = "7"
    & skf18("6","8","7","8","1","8","1") = "7"
    & skf18("6","8","7","8","1","9","1") = "8"
    & skf18("6","8","7","8","1","10","1") = "9"
    & skf18("6","8","7","8","2","1","1") = "7"
    & skf18("6","8","7","8","2","2","1") = "7"
    & skf18("6","8","7","8","2","3","1") = "7"
    & skf18("6","8","7","8","2","4","1") = "7"
    & skf18("6","8","7","8","2","5","1") = "7"
    & skf18("6","8","7","8","2","6","1") = "7"
    & skf18("6","8","7","8","2","7","1") = "7"
    & skf18("6","8","7","8","2","8","1") = "7"
    & skf18("6","8","7","8","2","9","1") = "8"
    & skf18("6","8","7","8","2","10","1") = "9"
    & skf18("6","8","7","8","3","1","1") = "7"
    & skf18("6","8","7","8","3","2","1") = "7"
    & skf18("6","8","7","8","3","3","1") = "7"
    & skf18("6","8","7","8","3","4","1") = "7"
    & skf18("6","8","7","8","3","5","1") = "7"
    & skf18("6","8","7","8","3","6","1") = "7"
    & skf18("6","8","7","8","3","7","1") = "7"
    & skf18("6","8","7","8","3","8","1") = "7"
    & skf18("6","8","7","8","3","9","1") = "8"
    & skf18("6","8","7","8","3","10","1") = "9"
    & skf18("6","8","7","8","4","1","1") = "7"
    & skf18("6","8","7","8","4","2","1") = "7"
    & skf18("6","8","7","8","4","3","1") = "7"
    & skf18("6","8","7","8","4","4","1") = "7"
    & skf18("6","8","7","8","4","5","1") = "7"
    & skf18("6","8","7","8","4","6","1") = "7"
    & skf18("6","8","7","8","4","7","1") = "7"
    & skf18("6","8","7","8","4","8","1") = "7"
    & skf18("6","8","7","8","4","9","1") = "8"
    & skf18("6","8","7","8","4","10","1") = "9"
    & skf18("6","8","7","8","5","1","1") = "7"
    & skf18("6","8","7","8","5","2","1") = "7"
    & skf18("6","8","7","8","5","3","1") = "7"
    & skf18("6","8","7","8","5","4","1") = "7"
    & skf18("6","8","7","8","5","5","1") = "7"
    & skf18("6","8","7","8","5","6","1") = "7"
    & skf18("6","8","7","8","5","7","1") = "7"
    & skf18("6","8","7","8","5","8","1") = "7"
    & skf18("6","8","7","8","5","9","1") = "8"
    & skf18("6","8","7","8","5","10","1") = "9"
    & skf18("6","8","7","8","6","1","1") = "7"
    & skf18("6","8","7","8","6","2","1") = "7"
    & skf18("6","8","7","8","6","3","1") = "7"
    & skf18("6","8","7","8","6","4","1") = "7"
    & skf18("6","8","7","8","6","5","1") = "7"
    & skf18("6","8","7","8","6","6","1") = "7"
    & skf18("6","8","7","8","6","7","1") = "7"
    & skf18("6","8","7","8","6","8","1") = "7"
    & skf18("6","8","7","8","6","9","1") = "8"
    & skf18("6","8","7","8","6","10","1") = "9"
    & skf18("6","8","7","8","7","1","1") = "7"
    & skf18("6","8","7","8","7","2","1") = "7"
    & skf18("6","8","7","8","7","3","1") = "7"
    & skf18("6","8","7","8","7","4","1") = "7"
    & skf18("6","8","7","8","7","5","1") = "7"
    & skf18("6","8","7","8","7","6","1") = "7"
    & skf18("6","8","7","8","7","7","1") = "7"
    & skf18("6","8","7","8","7","8","1") = "7"
    & skf18("6","8","7","8","7","9","1") = "8"
    & skf18("6","8","7","8","7","10","1") = "9"
    & skf18("6","8","7","8","8","1","1") = "7"
    & skf18("6","8","7","8","8","2","1") = "7"
    & skf18("6","8","7","8","8","3","1") = "7"
    & skf18("6","8","7","8","8","4","1") = "7"
    & skf18("6","8","7","8","8","5","1") = "7"
    & skf18("6","8","7","8","8","6","1") = "7"
    & skf18("6","8","7","8","8","7","1") = "7"
    & skf18("6","8","7","8","8","8","1") = "7"
    & skf18("6","8","7","8","8","9","1") = "8"
    & skf18("6","8","7","8","8","10","1") = "9"
    & skf18("6","8","7","8","9","1","1") = "8"
    & skf18("6","8","7","8","9","2","1") = "8"
    & skf18("6","8","7","8","9","3","1") = "8"
    & skf18("6","8","7","8","9","4","1") = "8"
    & skf18("6","8","7","8","9","5","1") = "8"
    & skf18("6","8","7","8","9","6","1") = "8"
    & skf18("6","8","7","8","9","7","1") = "8"
    & skf18("6","8","7","8","9","8","1") = "8"
    & skf18("6","8","7","8","9","9","1") = "8"
    & skf18("6","8","7","8","9","10","1") = "9"
    & skf18("6","8","7","8","10","1","1") = "9"
    & skf18("6","8","7","8","10","2","1") = "9"
    & skf18("6","8","7","8","10","3","1") = "9"
    & skf18("6","8","7","8","10","4","1") = "9"
    & skf18("6","8","7","8","10","5","1") = "9"
    & skf18("6","8","7","8","10","6","1") = "9"
    & skf18("6","8","7","8","10","7","1") = "9"
    & skf18("6","8","7","8","10","8","1") = "9"
    & skf18("6","8","7","8","10","9","1") = "9"
    & skf18("6","8","7","8","10","10","1") = "9"
    & skf18("6","8","7","9","1","1","1") = "8"
    & skf18("6","8","7","9","1","2","1") = "8"
    & skf18("6","8","7","9","1","3","1") = "8"
    & skf18("6","8","7","9","1","4","1") = "8"
    & skf18("6","8","7","9","1","5","1") = "8"
    & skf18("6","8","7","9","1","6","1") = "8"
    & skf18("6","8","7","9","1","7","1") = "8"
    & skf18("6","8","7","9","1","8","1") = "8"
    & skf18("6","8","7","9","1","9","1") = "8"
    & skf18("6","8","7","9","1","10","1") = "9"
    & skf18("6","8","7","9","2","1","1") = "8"
    & skf18("6","8","7","9","2","2","1") = "8"
    & skf18("6","8","7","9","2","3","1") = "8"
    & skf18("6","8","7","9","2","4","1") = "8"
    & skf18("6","8","7","9","2","5","1") = "8"
    & skf18("6","8","7","9","2","6","1") = "8"
    & skf18("6","8","7","9","2","7","1") = "8"
    & skf18("6","8","7","9","2","8","1") = "8"
    & skf18("6","8","7","9","2","9","1") = "8"
    & skf18("6","8","7","9","2","10","1") = "9"
    & skf18("6","8","7","9","3","1","1") = "8"
    & skf18("6","8","7","9","3","2","1") = "8"
    & skf18("6","8","7","9","3","3","1") = "8"
    & skf18("6","8","7","9","3","4","1") = "8"
    & skf18("6","8","7","9","3","5","1") = "8"
    & skf18("6","8","7","9","3","6","1") = "8"
    & skf18("6","8","7","9","3","7","1") = "8"
    & skf18("6","8","7","9","3","8","1") = "8"
    & skf18("6","8","7","9","3","9","1") = "8"
    & skf18("6","8","7","9","3","10","1") = "9"
    & skf18("6","8","7","9","4","1","1") = "8"
    & skf18("6","8","7","9","4","2","1") = "8"
    & skf18("6","8","7","9","4","3","1") = "8"
    & skf18("6","8","7","9","4","4","1") = "8"
    & skf18("6","8","7","9","4","5","1") = "8"
    & skf18("6","8","7","9","4","6","1") = "8"
    & skf18("6","8","7","9","4","7","1") = "8"
    & skf18("6","8","7","9","4","8","1") = "8"
    & skf18("6","8","7","9","4","9","1") = "8"
    & skf18("6","8","7","9","4","10","1") = "9"
    & skf18("6","8","7","9","5","1","1") = "8"
    & skf18("6","8","7","9","5","2","1") = "8"
    & skf18("6","8","7","9","5","3","1") = "8"
    & skf18("6","8","7","9","5","4","1") = "8"
    & skf18("6","8","7","9","5","5","1") = "8"
    & skf18("6","8","7","9","5","6","1") = "8"
    & skf18("6","8","7","9","5","7","1") = "8"
    & skf18("6","8","7","9","5","8","1") = "8"
    & skf18("6","8","7","9","5","9","1") = "8"
    & skf18("6","8","7","9","5","10","1") = "9"
    & skf18("6","8","7","9","6","1","1") = "8"
    & skf18("6","8","7","9","6","2","1") = "8"
    & skf18("6","8","7","9","6","3","1") = "8"
    & skf18("6","8","7","9","6","4","1") = "8"
    & skf18("6","8","7","9","6","5","1") = "8"
    & skf18("6","8","7","9","6","6","1") = "8"
    & skf18("6","8","7","9","6","7","1") = "8"
    & skf18("6","8","7","9","6","8","1") = "8"
    & skf18("6","8","7","9","6","9","1") = "8"
    & skf18("6","8","7","9","6","10","1") = "9"
    & skf18("6","8","7","9","7","1","1") = "8"
    & skf18("6","8","7","9","7","2","1") = "8"
    & skf18("6","8","7","9","7","3","1") = "8"
    & skf18("6","8","7","9","7","4","1") = "8"
    & skf18("6","8","7","9","7","5","1") = "8"
    & skf18("6","8","7","9","7","6","1") = "8"
    & skf18("6","8","7","9","7","7","1") = "8"
    & skf18("6","8","7","9","7","8","1") = "8"
    & skf18("6","8","7","9","7","9","1") = "8"
    & skf18("6","8","7","9","7","10","1") = "9"
    & skf18("6","8","7","9","8","1","1") = "8"
    & skf18("6","8","7","9","8","2","1") = "8"
    & skf18("6","8","7","9","8","3","1") = "8"
    & skf18("6","8","7","9","8","4","1") = "8"
    & skf18("6","8","7","9","8","5","1") = "8"
    & skf18("6","8","7","9","8","6","1") = "8"
    & skf18("6","8","7","9","8","7","1") = "8"
    & skf18("6","8","7","9","8","8","1") = "8"
    & skf18("6","8","7","9","8","9","1") = "8"
    & skf18("6","8","7","9","8","10","1") = "9"
    & skf18("6","8","7","9","9","1","1") = "8"
    & skf18("6","8","7","9","9","2","1") = "8"
    & skf18("6","8","7","9","9","3","1") = "8"
    & skf18("6","8","7","9","9","4","1") = "8"
    & skf18("6","8","7","9","9","5","1") = "8"
    & skf18("6","8","7","9","9","6","1") = "8"
    & skf18("6","8","7","9","9","7","1") = "8"
    & skf18("6","8","7","9","9","8","1") = "8"
    & skf18("6","8","7","9","9","9","1") = "8"
    & skf18("6","8","7","9","9","10","1") = "9"
    & skf18("6","8","7","9","10","1","1") = "9"
    & skf18("6","8","7","9","10","2","1") = "9"
    & skf18("6","8","7","9","10","3","1") = "9"
    & skf18("6","8","7","9","10","4","1") = "9"
    & skf18("6","8","7","9","10","5","1") = "9"
    & skf18("6","8","7","9","10","6","1") = "9"
    & skf18("6","8","7","9","10","7","1") = "9"
    & skf18("6","8","7","9","10","8","1") = "9"
    & skf18("6","8","7","9","10","9","1") = "9"
    & skf18("6","8","7","9","10","10","1") = "9"
    & skf18("6","8","7","10","1","1","1") = "9"
    & skf18("6","8","7","10","1","2","1") = "9"
    & skf18("6","8","7","10","1","3","1") = "9"
    & skf18("6","8","7","10","1","4","1") = "9"
    & skf18("6","8","7","10","1","5","1") = "9"
    & skf18("6","8","7","10","1","6","1") = "9"
    & skf18("6","8","7","10","1","7","1") = "9"
    & skf18("6","8","7","10","1","8","1") = "9"
    & skf18("6","8","7","10","1","9","1") = "9"
    & skf18("6","8","7","10","1","10","1") = "9"
    & skf18("6","8","7","10","2","1","1") = "9"
    & skf18("6","8","7","10","2","2","1") = "9"
    & skf18("6","8","7","10","2","3","1") = "9"
    & skf18("6","8","7","10","2","4","1") = "9"
    & skf18("6","8","7","10","2","5","1") = "9"
    & skf18("6","8","7","10","2","6","1") = "9"
    & skf18("6","8","7","10","2","7","1") = "9"
    & skf18("6","8","7","10","2","8","1") = "9"
    & skf18("6","8","7","10","2","9","1") = "9"
    & skf18("6","8","7","10","2","10","1") = "9"
    & skf18("6","8","7","10","3","1","1") = "9"
    & skf18("6","8","7","10","3","2","1") = "9"
    & skf18("6","8","7","10","3","3","1") = "9"
    & skf18("6","8","7","10","3","4","1") = "9"
    & skf18("6","8","7","10","3","5","1") = "9"
    & skf18("6","8","7","10","3","6","1") = "9"
    & skf18("6","8","7","10","3","7","1") = "9"
    & skf18("6","8","7","10","3","8","1") = "9"
    & skf18("6","8","7","10","3","9","1") = "9"
    & skf18("6","8","7","10","3","10","1") = "9"
    & skf18("6","8","7","10","4","1","1") = "9"
    & skf18("6","8","7","10","4","2","1") = "9"
    & skf18("6","8","7","10","4","3","1") = "9"
    & skf18("6","8","7","10","4","4","1") = "9"
    & skf18("6","8","7","10","4","5","1") = "9"
    & skf18("6","8","7","10","4","6","1") = "9"
    & skf18("6","8","7","10","4","7","1") = "9"
    & skf18("6","8","7","10","4","8","1") = "9"
    & skf18("6","8","7","10","4","9","1") = "9"
    & skf18("6","8","7","10","4","10","1") = "9"
    & skf18("6","8","7","10","5","1","1") = "9"
    & skf18("6","8","7","10","5","2","1") = "9"
    & skf18("6","8","7","10","5","3","1") = "9"
    & skf18("6","8","7","10","5","4","1") = "9"
    & skf18("6","8","7","10","5","5","1") = "9"
    & skf18("6","8","7","10","5","6","1") = "9"
    & skf18("6","8","7","10","5","7","1") = "9"
    & skf18("6","8","7","10","5","8","1") = "9"
    & skf18("6","8","7","10","5","9","1") = "9"
    & skf18("6","8","7","10","5","10","1") = "9"
    & skf18("6","8","7","10","6","1","1") = "9"
    & skf18("6","8","7","10","6","2","1") = "9"
    & skf18("6","8","7","10","6","3","1") = "9"
    & skf18("6","8","7","10","6","4","1") = "9"
    & skf18("6","8","7","10","6","5","1") = "9"
    & skf18("6","8","7","10","6","6","1") = "9"
    & skf18("6","8","7","10","6","7","1") = "9"
    & skf18("6","8","7","10","6","8","1") = "9"
    & skf18("6","8","7","10","6","9","1") = "9"
    & skf18("6","8","7","10","6","10","1") = "9"
    & skf18("6","8","7","10","7","1","1") = "9"
    & skf18("6","8","7","10","7","2","1") = "9"
    & skf18("6","8","7","10","7","3","1") = "9"
    & skf18("6","8","7","10","7","4","1") = "9"
    & skf18("6","8","7","10","7","5","1") = "9"
    & skf18("6","8","7","10","7","6","1") = "9"
    & skf18("6","8","7","10","7","7","1") = "9"
    & skf18("6","8","7","10","7","8","1") = "9"
    & skf18("6","8","7","10","7","9","1") = "9"
    & skf18("6","8","7","10","7","10","1") = "9"
    & skf18("6","8","7","10","8","1","1") = "9"
    & skf18("6","8","7","10","8","2","1") = "9"
    & skf18("6","8","7","10","8","3","1") = "9"
    & skf18("6","8","7","10","8","4","1") = "9"
    & skf18("6","8","7","10","8","5","1") = "9"
    & skf18("6","8","7","10","8","6","1") = "9"
    & skf18("6","8","7","10","8","7","1") = "9"
    & skf18("6","8","7","10","8","8","1") = "9"
    & skf18("6","8","7","10","8","9","1") = "9"
    & skf18("6","8","7","10","8","10","1") = "9"
    & skf18("6","8","7","10","9","1","1") = "9"
    & skf18("6","8","7","10","9","2","1") = "9"
    & skf18("6","8","7","10","9","3","1") = "9"
    & skf18("6","8","7","10","9","4","1") = "9"
    & skf18("6","8","7","10","9","5","1") = "9"
    & skf18("6","8","7","10","9","6","1") = "9"
    & skf18("6","8","7","10","9","7","1") = "9"
    & skf18("6","8","7","10","9","8","1") = "9"
    & skf18("6","8","7","10","9","9","1") = "9"
    & skf18("6","8","7","10","9","10","1") = "9"
    & skf18("6","8","7","10","10","1","1") = "9"
    & skf18("6","8","7","10","10","2","1") = "9"
    & skf18("6","8","7","10","10","3","1") = "9"
    & skf18("6","8","7","10","10","4","1") = "9"
    & skf18("6","8","7","10","10","5","1") = "9"
    & skf18("6","8","7","10","10","6","1") = "9"
    & skf18("6","8","7","10","10","7","1") = "9"
    & skf18("6","8","7","10","10","8","1") = "9"
    & skf18("6","8","7","10","10","9","1") = "9"
    & skf18("6","8","7","10","10","10","1") = "9"
    & skf18("6","8","8","1","1","1","1") = "7"
    & skf18("6","8","8","1","1","2","1") = "7"
    & skf18("6","8","8","1","1","3","1") = "7"
    & skf18("6","8","8","1","1","4","1") = "7"
    & skf18("6","8","8","1","1","5","1") = "7"
    & skf18("6","8","8","1","1","6","1") = "7"
    & skf18("6","8","8","1","1","7","1") = "7"
    & skf18("6","8","8","1","1","8","1") = "7"
    & skf18("6","8","8","1","1","9","1") = "8"
    & skf18("6","8","8","1","1","10","1") = "9"
    & skf18("6","8","8","1","2","1","1") = "7"
    & skf18("6","8","8","1","2","2","1") = "7"
    & skf18("6","8","8","1","2","3","1") = "7"
    & skf18("6","8","8","1","2","4","1") = "7"
    & skf18("6","8","8","1","2","5","1") = "7"
    & skf18("6","8","8","1","2","6","1") = "7"
    & skf18("6","8","8","1","2","7","1") = "7"
    & skf18("6","8","8","1","2","8","1") = "7"
    & skf18("6","8","8","1","2","9","1") = "8"
    & skf18("6","8","8","1","2","10","1") = "9"
    & skf18("6","8","8","1","3","1","1") = "7"
    & skf18("6","8","8","1","3","2","1") = "7"
    & skf18("6","8","8","1","3","3","1") = "7"
    & skf18("6","8","8","1","3","4","1") = "7"
    & skf18("6","8","8","1","3","5","1") = "7"
    & skf18("6","8","8","1","3","6","1") = "7"
    & skf18("6","8","8","1","3","7","1") = "7"
    & skf18("6","8","8","1","3","8","1") = "7"
    & skf18("6","8","8","1","3","9","1") = "8"
    & skf18("6","8","8","1","3","10","1") = "9"
    & skf18("6","8","8","1","4","1","1") = "7"
    & skf18("6","8","8","1","4","2","1") = "7"
    & skf18("6","8","8","1","4","3","1") = "7"
    & skf18("6","8","8","1","4","4","1") = "7"
    & skf18("6","8","8","1","4","5","1") = "7"
    & skf18("6","8","8","1","4","6","1") = "7"
    & skf18("6","8","8","1","4","7","1") = "7"
    & skf18("6","8","8","1","4","8","1") = "7"
    & skf18("6","8","8","1","4","9","1") = "8"
    & skf18("6","8","8","1","4","10","1") = "9"
    & skf18("6","8","8","1","5","1","1") = "7"
    & skf18("6","8","8","1","5","2","1") = "7"
    & skf18("6","8","8","1","5","3","1") = "7"
    & skf18("6","8","8","1","5","4","1") = "7"
    & skf18("6","8","8","1","5","5","1") = "7"
    & skf18("6","8","8","1","5","6","1") = "7"
    & skf18("6","8","8","1","5","7","1") = "7"
    & skf18("6","8","8","1","5","8","1") = "7"
    & skf18("6","8","8","1","5","9","1") = "8"
    & skf18("6","8","8","1","5","10","1") = "9"
    & skf18("6","8","8","1","6","1","1") = "7"
    & skf18("6","8","8","1","6","2","1") = "7"
    & skf18("6","8","8","1","6","3","1") = "7"
    & skf18("6","8","8","1","6","4","1") = "7"
    & skf18("6","8","8","1","6","5","1") = "7"
    & skf18("6","8","8","1","6","6","1") = "7"
    & skf18("6","8","8","1","6","7","1") = "7"
    & skf18("6","8","8","1","6","8","1") = "7"
    & skf18("6","8","8","1","6","9","1") = "8"
    & skf18("6","8","8","1","6","10","1") = "9"
    & skf18("6","8","8","1","7","1","1") = "7"
    & skf18("6","8","8","1","7","2","1") = "7"
    & skf18("6","8","8","1","7","3","1") = "7"
    & skf18("6","8","8","1","7","4","1") = "7"
    & skf18("6","8","8","1","7","5","1") = "7"
    & skf18("6","8","8","1","7","6","1") = "7"
    & skf18("6","8","8","1","7","7","1") = "7"
    & skf18("6","8","8","1","7","8","1") = "7"
    & skf18("6","8","8","1","7","9","1") = "8"
    & skf18("6","8","8","1","7","10","1") = "9"
    & skf18("6","8","8","1","8","1","1") = "7"
    & skf18("6","8","8","1","8","2","1") = "7"
    & skf18("6","8","8","1","8","3","1") = "7"
    & skf18("6","8","8","1","8","4","1") = "7"
    & skf18("6","8","8","1","8","5","1") = "7"
    & skf18("6","8","8","1","8","6","1") = "7"
    & skf18("6","8","8","1","8","7","1") = "7"
    & skf18("6","8","8","1","8","8","1") = "7"
    & skf18("6","8","8","1","8","9","1") = "8"
    & skf18("6","8","8","1","8","10","1") = "9"
    & skf18("6","8","8","1","9","1","1") = "8"
    & skf18("6","8","8","1","9","2","1") = "8"
    & skf18("6","8","8","1","9","3","1") = "8"
    & skf18("6","8","8","1","9","4","1") = "8"
    & skf18("6","8","8","1","9","5","1") = "8"
    & skf18("6","8","8","1","9","6","1") = "8"
    & skf18("6","8","8","1","9","7","1") = "8"
    & skf18("6","8","8","1","9","8","1") = "8"
    & skf18("6","8","8","1","9","9","1") = "8"
    & skf18("6","8","8","1","9","10","1") = "9"
    & skf18("6","8","8","1","10","1","1") = "9"
    & skf18("6","8","8","1","10","2","1") = "9"
    & skf18("6","8","8","1","10","3","1") = "9"
    & skf18("6","8","8","1","10","4","1") = "9"
    & skf18("6","8","8","1","10","5","1") = "9"
    & skf18("6","8","8","1","10","6","1") = "9"
    & skf18("6","8","8","1","10","7","1") = "9"
    & skf18("6","8","8","1","10","8","1") = "9"
    & skf18("6","8","8","1","10","9","1") = "9"
    & skf18("6","8","8","1","10","10","1") = "9"
    & skf18("6","8","8","2","1","1","1") = "7"
    & skf18("6","8","8","2","1","2","1") = "7"
    & skf18("6","8","8","2","1","3","1") = "7"
    & skf18("6","8","8","2","1","4","1") = "7"
    & skf18("6","8","8","2","1","5","1") = "7"
    & skf18("6","8","8","2","1","6","1") = "7"
    & skf18("6","8","8","2","1","7","1") = "7"
    & skf18("6","8","8","2","1","8","1") = "7"
    & skf18("6","8","8","2","1","9","1") = "8"
    & skf18("6","8","8","2","1","10","1") = "9"
    & skf18("6","8","8","2","2","1","1") = "7"
    & skf18("6","8","8","2","2","2","1") = "7"
    & skf18("6","8","8","2","2","3","1") = "7"
    & skf18("6","8","8","2","2","4","1") = "7"
    & skf18("6","8","8","2","2","5","1") = "7"
    & skf18("6","8","8","2","2","6","1") = "7"
    & skf18("6","8","8","2","2","7","1") = "7"
    & skf18("6","8","8","2","2","8","1") = "7"
    & skf18("6","8","8","2","2","9","1") = "8"
    & skf18("6","8","8","2","2","10","1") = "9"
    & skf18("6","8","8","2","3","1","1") = "7"
    & skf18("6","8","8","2","3","2","1") = "7"
    & skf18("6","8","8","2","3","3","1") = "7"
    & skf18("6","8","8","2","3","4","1") = "7"
    & skf18("6","8","8","2","3","5","1") = "7"
    & skf18("6","8","8","2","3","6","1") = "7"
    & skf18("6","8","8","2","3","7","1") = "7"
    & skf18("6","8","8","2","3","8","1") = "7"
    & skf18("6","8","8","2","3","9","1") = "8"
    & skf18("6","8","8","2","3","10","1") = "9"
    & skf18("6","8","8","2","4","1","1") = "7"
    & skf18("6","8","8","2","4","2","1") = "7"
    & skf18("6","8","8","2","4","3","1") = "7"
    & skf18("6","8","8","2","4","4","1") = "7"
    & skf18("6","8","8","2","4","5","1") = "7"
    & skf18("6","8","8","2","4","6","1") = "7"
    & skf18("6","8","8","2","4","7","1") = "7"
    & skf18("6","8","8","2","4","8","1") = "7"
    & skf18("6","8","8","2","4","9","1") = "8"
    & skf18("6","8","8","2","4","10","1") = "9"
    & skf18("6","8","8","2","5","1","1") = "7"
    & skf18("6","8","8","2","5","2","1") = "7"
    & skf18("6","8","8","2","5","3","1") = "7"
    & skf18("6","8","8","2","5","4","1") = "7"
    & skf18("6","8","8","2","5","5","1") = "7"
    & skf18("6","8","8","2","5","6","1") = "7"
    & skf18("6","8","8","2","5","7","1") = "7"
    & skf18("6","8","8","2","5","8","1") = "7"
    & skf18("6","8","8","2","5","9","1") = "8"
    & skf18("6","8","8","2","5","10","1") = "9"
    & skf18("6","8","8","2","6","1","1") = "7"
    & skf18("6","8","8","2","6","2","1") = "7"
    & skf18("6","8","8","2","6","3","1") = "7"
    & skf18("6","8","8","2","6","4","1") = "7"
    & skf18("6","8","8","2","6","5","1") = "7"
    & skf18("6","8","8","2","6","6","1") = "7"
    & skf18("6","8","8","2","6","7","1") = "7"
    & skf18("6","8","8","2","6","8","1") = "7"
    & skf18("6","8","8","2","6","9","1") = "8"
    & skf18("6","8","8","2","6","10","1") = "9"
    & skf18("6","8","8","2","7","1","1") = "7"
    & skf18("6","8","8","2","7","2","1") = "7"
    & skf18("6","8","8","2","7","3","1") = "7"
    & skf18("6","8","8","2","7","4","1") = "7"
    & skf18("6","8","8","2","7","5","1") = "7"
    & skf18("6","8","8","2","7","6","1") = "7"
    & skf18("6","8","8","2","7","7","1") = "7"
    & skf18("6","8","8","2","7","8","1") = "7"
    & skf18("6","8","8","2","7","9","1") = "8"
    & skf18("6","8","8","2","7","10","1") = "9"
    & skf18("6","8","8","2","8","1","1") = "7"
    & skf18("6","8","8","2","8","2","1") = "7"
    & skf18("6","8","8","2","8","3","1") = "7"
    & skf18("6","8","8","2","8","4","1") = "7"
    & skf18("6","8","8","2","8","5","1") = "7"
    & skf18("6","8","8","2","8","6","1") = "7"
    & skf18("6","8","8","2","8","7","1") = "7"
    & skf18("6","8","8","2","8","8","1") = "7"
    & skf18("6","8","8","2","8","9","1") = "8"
    & skf18("6","8","8","2","8","10","1") = "9"
    & skf18("6","8","8","2","9","1","1") = "8"
    & skf18("6","8","8","2","9","2","1") = "8"
    & skf18("6","8","8","2","9","3","1") = "8"
    & skf18("6","8","8","2","9","4","1") = "8"
    & skf18("6","8","8","2","9","5","1") = "8"
    & skf18("6","8","8","2","9","6","1") = "8"
    & skf18("6","8","8","2","9","7","1") = "8"
    & skf18("6","8","8","2","9","8","1") = "8"
    & skf18("6","8","8","2","9","9","1") = "8"
    & skf18("6","8","8","2","9","10","1") = "9"
    & skf18("6","8","8","2","10","1","1") = "9"
    & skf18("6","8","8","2","10","2","1") = "9"
    & skf18("6","8","8","2","10","3","1") = "9"
    & skf18("6","8","8","2","10","4","1") = "9"
    & skf18("6","8","8","2","10","5","1") = "9"
    & skf18("6","8","8","2","10","6","1") = "9"
    & skf18("6","8","8","2","10","7","1") = "9"
    & skf18("6","8","8","2","10","8","1") = "9"
    & skf18("6","8","8","2","10","9","1") = "9"
    & skf18("6","8","8","2","10","10","1") = "9"
    & skf18("6","8","8","3","1","1","1") = "7"
    & skf18("6","8","8","3","1","2","1") = "7"
    & skf18("6","8","8","3","1","3","1") = "7"
    & skf18("6","8","8","3","1","4","1") = "7"
    & skf18("6","8","8","3","1","5","1") = "7"
    & skf18("6","8","8","3","1","6","1") = "7"
    & skf18("6","8","8","3","1","7","1") = "7"
    & skf18("6","8","8","3","1","8","1") = "7"
    & skf18("6","8","8","3","1","9","1") = "8"
    & skf18("6","8","8","3","1","10","1") = "9"
    & skf18("6","8","8","3","2","1","1") = "7"
    & skf18("6","8","8","3","2","2","1") = "7"
    & skf18("6","8","8","3","2","3","1") = "7"
    & skf18("6","8","8","3","2","4","1") = "7"
    & skf18("6","8","8","3","2","5","1") = "7"
    & skf18("6","8","8","3","2","6","1") = "7"
    & skf18("6","8","8","3","2","7","1") = "7"
    & skf18("6","8","8","3","2","8","1") = "7"
    & skf18("6","8","8","3","2","9","1") = "8"
    & skf18("6","8","8","3","2","10","1") = "9"
    & skf18("6","8","8","3","3","1","1") = "7"
    & skf18("6","8","8","3","3","2","1") = "7"
    & skf18("6","8","8","3","3","3","1") = "7"
    & skf18("6","8","8","3","3","4","1") = "7"
    & skf18("6","8","8","3","3","5","1") = "7"
    & skf18("6","8","8","3","3","6","1") = "7"
    & skf18("6","8","8","3","3","7","1") = "7"
    & skf18("6","8","8","3","3","8","1") = "7"
    & skf18("6","8","8","3","3","9","1") = "8"
    & skf18("6","8","8","3","3","10","1") = "9"
    & skf18("6","8","8","3","4","1","1") = "7"
    & skf18("6","8","8","3","4","2","1") = "7"
    & skf18("6","8","8","3","4","3","1") = "7"
    & skf18("6","8","8","3","4","4","1") = "7"
    & skf18("6","8","8","3","4","5","1") = "7"
    & skf18("6","8","8","3","4","6","1") = "7"
    & skf18("6","8","8","3","4","7","1") = "7"
    & skf18("6","8","8","3","4","8","1") = "7"
    & skf18("6","8","8","3","4","9","1") = "8"
    & skf18("6","8","8","3","4","10","1") = "9"
    & skf18("6","8","8","3","5","1","1") = "7"
    & skf18("6","8","8","3","5","2","1") = "7"
    & skf18("6","8","8","3","5","3","1") = "7"
    & skf18("6","8","8","3","5","4","1") = "7"
    & skf18("6","8","8","3","5","5","1") = "7"
    & skf18("6","8","8","3","5","6","1") = "7"
    & skf18("6","8","8","3","5","7","1") = "7"
    & skf18("6","8","8","3","5","8","1") = "7"
    & skf18("6","8","8","3","5","9","1") = "8"
    & skf18("6","8","8","3","5","10","1") = "9"
    & skf18("6","8","8","3","6","1","1") = "7"
    & skf18("6","8","8","3","6","2","1") = "7"
    & skf18("6","8","8","3","6","3","1") = "7"
    & skf18("6","8","8","3","6","4","1") = "7"
    & skf18("6","8","8","3","6","5","1") = "7"
    & skf18("6","8","8","3","6","6","1") = "7"
    & skf18("6","8","8","3","6","7","1") = "7"
    & skf18("6","8","8","3","6","8","1") = "7"
    & skf18("6","8","8","3","6","9","1") = "8"
    & skf18("6","8","8","3","6","10","1") = "9"
    & skf18("6","8","8","3","7","1","1") = "7"
    & skf18("6","8","8","3","7","2","1") = "7"
    & skf18("6","8","8","3","7","3","1") = "7"
    & skf18("6","8","8","3","7","4","1") = "7"
    & skf18("6","8","8","3","7","5","1") = "7"
    & skf18("6","8","8","3","7","6","1") = "7"
    & skf18("6","8","8","3","7","7","1") = "7"
    & skf18("6","8","8","3","7","8","1") = "7"
    & skf18("6","8","8","3","7","9","1") = "8"
    & skf18("6","8","8","3","7","10","1") = "9"
    & skf18("6","8","8","3","8","1","1") = "7"
    & skf18("6","8","8","3","8","2","1") = "7"
    & skf18("6","8","8","3","8","3","1") = "7"
    & skf18("6","8","8","3","8","4","1") = "7"
    & skf18("6","8","8","3","8","5","1") = "7"
    & skf18("6","8","8","3","8","6","1") = "7"
    & skf18("6","8","8","3","8","7","1") = "7"
    & skf18("6","8","8","3","8","8","1") = "7"
    & skf18("6","8","8","3","8","9","1") = "8"
    & skf18("6","8","8","3","8","10","1") = "9"
    & skf18("6","8","8","3","9","1","1") = "8"
    & skf18("6","8","8","3","9","2","1") = "8"
    & skf18("6","8","8","3","9","3","1") = "8"
    & skf18("6","8","8","3","9","4","1") = "8"
    & skf18("6","8","8","3","9","5","1") = "8"
    & skf18("6","8","8","3","9","6","1") = "8"
    & skf18("6","8","8","3","9","7","1") = "8"
    & skf18("6","8","8","3","9","8","1") = "8"
    & skf18("6","8","8","3","9","9","1") = "8"
    & skf18("6","8","8","3","9","10","1") = "9"
    & skf18("6","8","8","3","10","1","1") = "9"
    & skf18("6","8","8","3","10","2","1") = "9"
    & skf18("6","8","8","3","10","3","1") = "9"
    & skf18("6","8","8","3","10","4","1") = "9"
    & skf18("6","8","8","3","10","5","1") = "9"
    & skf18("6","8","8","3","10","6","1") = "9"
    & skf18("6","8","8","3","10","7","1") = "9"
    & skf18("6","8","8","3","10","8","1") = "9"
    & skf18("6","8","8","3","10","9","1") = "9"
    & skf18("6","8","8","3","10","10","1") = "9"
    & skf18("6","8","8","4","1","1","1") = "7"
    & skf18("6","8","8","4","1","2","1") = "7"
    & skf18("6","8","8","4","1","3","1") = "7"
    & skf18("6","8","8","4","1","4","1") = "7"
    & skf18("6","8","8","4","1","5","1") = "7"
    & skf18("6","8","8","4","1","6","1") = "7"
    & skf18("6","8","8","4","1","7","1") = "7"
    & skf18("6","8","8","4","1","8","1") = "7"
    & skf18("6","8","8","4","1","9","1") = "8"
    & skf18("6","8","8","4","1","10","1") = "9"
    & skf18("6","8","8","4","2","1","1") = "7"
    & skf18("6","8","8","4","2","2","1") = "7"
    & skf18("6","8","8","4","2","3","1") = "7"
    & skf18("6","8","8","4","2","4","1") = "7"
    & skf18("6","8","8","4","2","5","1") = "7"
    & skf18("6","8","8","4","2","6","1") = "7"
    & skf18("6","8","8","4","2","7","1") = "7"
    & skf18("6","8","8","4","2","8","1") = "7"
    & skf18("6","8","8","4","2","9","1") = "8"
    & skf18("6","8","8","4","2","10","1") = "9"
    & skf18("6","8","8","4","3","1","1") = "7"
    & skf18("6","8","8","4","3","2","1") = "7"
    & skf18("6","8","8","4","3","3","1") = "7"
    & skf18("6","8","8","4","3","4","1") = "7"
    & skf18("6","8","8","4","3","5","1") = "7"
    & skf18("6","8","8","4","3","6","1") = "7"
    & skf18("6","8","8","4","3","7","1") = "7"
    & skf18("6","8","8","4","3","8","1") = "7"
    & skf18("6","8","8","4","3","9","1") = "8"
    & skf18("6","8","8","4","3","10","1") = "9"
    & skf18("6","8","8","4","4","1","1") = "7"
    & skf18("6","8","8","4","4","2","1") = "7"
    & skf18("6","8","8","4","4","3","1") = "7"
    & skf18("6","8","8","4","4","4","1") = "7"
    & skf18("6","8","8","4","4","5","1") = "7"
    & skf18("6","8","8","4","4","6","1") = "7"
    & skf18("6","8","8","4","4","7","1") = "7"
    & skf18("6","8","8","4","4","8","1") = "7"
    & skf18("6","8","8","4","4","9","1") = "8"
    & skf18("6","8","8","4","4","10","1") = "9"
    & skf18("6","8","8","4","5","1","1") = "7"
    & skf18("6","8","8","4","5","2","1") = "7"
    & skf18("6","8","8","4","5","3","1") = "7"
    & skf18("6","8","8","4","5","4","1") = "7"
    & skf18("6","8","8","4","5","5","1") = "7"
    & skf18("6","8","8","4","5","6","1") = "7"
    & skf18("6","8","8","4","5","7","1") = "7"
    & skf18("6","8","8","4","5","8","1") = "7"
    & skf18("6","8","8","4","5","9","1") = "8"
    & skf18("6","8","8","4","5","10","1") = "9"
    & skf18("6","8","8","4","6","1","1") = "7"
    & skf18("6","8","8","4","6","2","1") = "7"
    & skf18("6","8","8","4","6","3","1") = "7"
    & skf18("6","8","8","4","6","4","1") = "7"
    & skf18("6","8","8","4","6","5","1") = "7"
    & skf18("6","8","8","4","6","6","1") = "7"
    & skf18("6","8","8","4","6","7","1") = "7"
    & skf18("6","8","8","4","6","8","1") = "7"
    & skf18("6","8","8","4","6","9","1") = "8"
    & skf18("6","8","8","4","6","10","1") = "9"
    & skf18("6","8","8","4","7","1","1") = "7"
    & skf18("6","8","8","4","7","2","1") = "7"
    & skf18("6","8","8","4","7","3","1") = "7"
    & skf18("6","8","8","4","7","4","1") = "7"
    & skf18("6","8","8","4","7","5","1") = "7"
    & skf18("6","8","8","4","7","6","1") = "7"
    & skf18("6","8","8","4","7","7","1") = "7"
    & skf18("6","8","8","4","7","8","1") = "7"
    & skf18("6","8","8","4","7","9","1") = "8"
    & skf18("6","8","8","4","7","10","1") = "9"
    & skf18("6","8","8","4","8","1","1") = "7"
    & skf18("6","8","8","4","8","2","1") = "7"
    & skf18("6","8","8","4","8","3","1") = "7"
    & skf18("6","8","8","4","8","4","1") = "7"
    & skf18("6","8","8","4","8","5","1") = "7"
    & skf18("6","8","8","4","8","6","1") = "7"
    & skf18("6","8","8","4","8","7","1") = "7"
    & skf18("6","8","8","4","8","8","1") = "7"
    & skf18("6","8","8","4","8","9","1") = "8"
    & skf18("6","8","8","4","8","10","1") = "9"
    & skf18("6","8","8","4","9","1","1") = "8"
    & skf18("6","8","8","4","9","2","1") = "8"
    & skf18("6","8","8","4","9","3","1") = "8"
    & skf18("6","8","8","4","9","4","1") = "8"
    & skf18("6","8","8","4","9","5","1") = "8"
    & skf18("6","8","8","4","9","6","1") = "8"
    & skf18("6","8","8","4","9","7","1") = "8"
    & skf18("6","8","8","4","9","8","1") = "8"
    & skf18("6","8","8","4","9","9","1") = "8"
    & skf18("6","8","8","4","9","10","1") = "9"
    & skf18("6","8","8","4","10","1","1") = "9"
    & skf18("6","8","8","4","10","2","1") = "9"
    & skf18("6","8","8","4","10","3","1") = "9"
    & skf18("6","8","8","4","10","4","1") = "9"
    & skf18("6","8","8","4","10","5","1") = "9"
    & skf18("6","8","8","4","10","6","1") = "9"
    & skf18("6","8","8","4","10","7","1") = "9"
    & skf18("6","8","8","4","10","8","1") = "9"
    & skf18("6","8","8","4","10","9","1") = "9"
    & skf18("6","8","8","4","10","10","1") = "9"
    & skf18("6","8","8","5","1","1","1") = "7"
    & skf18("6","8","8","5","1","2","1") = "7"
    & skf18("6","8","8","5","1","3","1") = "7"
    & skf18("6","8","8","5","1","4","1") = "7"
    & skf18("6","8","8","5","1","5","1") = "7"
    & skf18("6","8","8","5","1","6","1") = "7"
    & skf18("6","8","8","5","1","7","1") = "7"
    & skf18("6","8","8","5","1","8","1") = "7"
    & skf18("6","8","8","5","1","9","1") = "8"
    & skf18("6","8","8","5","1","10","1") = "9"
    & skf18("6","8","8","5","2","1","1") = "7"
    & skf18("6","8","8","5","2","2","1") = "7"
    & skf18("6","8","8","5","2","3","1") = "7"
    & skf18("6","8","8","5","2","4","1") = "7"
    & skf18("6","8","8","5","2","5","1") = "7"
    & skf18("6","8","8","5","2","6","1") = "7"
    & skf18("6","8","8","5","2","7","1") = "7"
    & skf18("6","8","8","5","2","8","1") = "7"
    & skf18("6","8","8","5","2","9","1") = "8"
    & skf18("6","8","8","5","2","10","1") = "9"
    & skf18("6","8","8","5","3","1","1") = "7"
    & skf18("6","8","8","5","3","2","1") = "7"
    & skf18("6","8","8","5","3","3","1") = "7"
    & skf18("6","8","8","5","3","4","1") = "7"
    & skf18("6","8","8","5","3","5","1") = "7"
    & skf18("6","8","8","5","3","6","1") = "7"
    & skf18("6","8","8","5","3","7","1") = "7"
    & skf18("6","8","8","5","3","8","1") = "7"
    & skf18("6","8","8","5","3","9","1") = "8"
    & skf18("6","8","8","5","3","10","1") = "9"
    & skf18("6","8","8","5","4","1","1") = "7"
    & skf18("6","8","8","5","4","2","1") = "7"
    & skf18("6","8","8","5","4","3","1") = "7"
    & skf18("6","8","8","5","4","4","1") = "7"
    & skf18("6","8","8","5","4","5","1") = "7"
    & skf18("6","8","8","5","4","6","1") = "7"
    & skf18("6","8","8","5","4","7","1") = "7"
    & skf18("6","8","8","5","4","8","1") = "7"
    & skf18("6","8","8","5","4","9","1") = "8"
    & skf18("6","8","8","5","4","10","1") = "9"
    & skf18("6","8","8","5","5","1","1") = "7"
    & skf18("6","8","8","5","5","2","1") = "7"
    & skf18("6","8","8","5","5","3","1") = "7"
    & skf18("6","8","8","5","5","4","1") = "7"
    & skf18("6","8","8","5","5","5","1") = "7"
    & skf18("6","8","8","5","5","6","1") = "7"
    & skf18("6","8","8","5","5","7","1") = "7"
    & skf18("6","8","8","5","5","8","1") = "7"
    & skf18("6","8","8","5","5","9","1") = "8"
    & skf18("6","8","8","5","5","10","1") = "9"
    & skf18("6","8","8","5","6","1","1") = "7"
    & skf18("6","8","8","5","6","2","1") = "7"
    & skf18("6","8","8","5","6","3","1") = "7"
    & skf18("6","8","8","5","6","4","1") = "7"
    & skf18("6","8","8","5","6","5","1") = "7"
    & skf18("6","8","8","5","6","6","1") = "7"
    & skf18("6","8","8","5","6","7","1") = "7"
    & skf18("6","8","8","5","6","8","1") = "7"
    & skf18("6","8","8","5","6","9","1") = "8"
    & skf18("6","8","8","5","6","10","1") = "9"
    & skf18("6","8","8","5","7","1","1") = "7"
    & skf18("6","8","8","5","7","2","1") = "7"
    & skf18("6","8","8","5","7","3","1") = "7"
    & skf18("6","8","8","5","7","4","1") = "7"
    & skf18("6","8","8","5","7","5","1") = "7"
    & skf18("6","8","8","5","7","6","1") = "7"
    & skf18("6","8","8","5","7","7","1") = "7"
    & skf18("6","8","8","5","7","8","1") = "7"
    & skf18("6","8","8","5","7","9","1") = "8"
    & skf18("6","8","8","5","7","10","1") = "9"
    & skf18("6","8","8","5","8","1","1") = "7"
    & skf18("6","8","8","5","8","2","1") = "7"
    & skf18("6","8","8","5","8","3","1") = "7"
    & skf18("6","8","8","5","8","4","1") = "7"
    & skf18("6","8","8","5","8","5","1") = "7"
    & skf18("6","8","8","5","8","6","1") = "7"
    & skf18("6","8","8","5","8","7","1") = "7"
    & skf18("6","8","8","5","8","8","1") = "7"
    & skf18("6","8","8","5","8","9","1") = "8"
    & skf18("6","8","8","5","8","10","1") = "9"
    & skf18("6","8","8","5","9","1","1") = "8"
    & skf18("6","8","8","5","9","2","1") = "8"
    & skf18("6","8","8","5","9","3","1") = "8"
    & skf18("6","8","8","5","9","4","1") = "8"
    & skf18("6","8","8","5","9","5","1") = "8"
    & skf18("6","8","8","5","9","6","1") = "8"
    & skf18("6","8","8","5","9","7","1") = "8"
    & skf18("6","8","8","5","9","8","1") = "8"
    & skf18("6","8","8","5","9","9","1") = "8"
    & skf18("6","8","8","5","9","10","1") = "9"
    & skf18("6","8","8","5","10","1","1") = "9"
    & skf18("6","8","8","5","10","2","1") = "9"
    & skf18("6","8","8","5","10","3","1") = "9"
    & skf18("6","8","8","5","10","4","1") = "9"
    & skf18("6","8","8","5","10","5","1") = "9"
    & skf18("6","8","8","5","10","6","1") = "9"
    & skf18("6","8","8","5","10","7","1") = "9"
    & skf18("6","8","8","5","10","8","1") = "9"
    & skf18("6","8","8","5","10","9","1") = "9"
    & skf18("6","8","8","5","10","10","1") = "9"
    & skf18("6","8","8","6","1","1","1") = "7"
    & skf18("6","8","8","6","1","2","1") = "7"
    & skf18("6","8","8","6","1","3","1") = "7"
    & skf18("6","8","8","6","1","4","1") = "7"
    & skf18("6","8","8","6","1","5","1") = "7"
    & skf18("6","8","8","6","1","6","1") = "7"
    & skf18("6","8","8","6","1","7","1") = "7"
    & skf18("6","8","8","6","1","8","1") = "7"
    & skf18("6","8","8","6","1","9","1") = "8"
    & skf18("6","8","8","6","1","10","1") = "9"
    & skf18("6","8","8","6","2","1","1") = "7"
    & skf18("6","8","8","6","2","2","1") = "7"
    & skf18("6","8","8","6","2","3","1") = "7"
    & skf18("6","8","8","6","2","4","1") = "7"
    & skf18("6","8","8","6","2","5","1") = "7"
    & skf18("6","8","8","6","2","6","1") = "7"
    & skf18("6","8","8","6","2","7","1") = "7"
    & skf18("6","8","8","6","2","8","1") = "7"
    & skf18("6","8","8","6","2","9","1") = "8"
    & skf18("6","8","8","6","2","10","1") = "9"
    & skf18("6","8","8","6","3","1","1") = "7"
    & skf18("6","8","8","6","3","2","1") = "7"
    & skf18("6","8","8","6","3","3","1") = "7"
    & skf18("6","8","8","6","3","4","1") = "7"
    & skf18("6","8","8","6","3","5","1") = "7"
    & skf18("6","8","8","6","3","6","1") = "7"
    & skf18("6","8","8","6","3","7","1") = "7"
    & skf18("6","8","8","6","3","8","1") = "7"
    & skf18("6","8","8","6","3","9","1") = "8"
    & skf18("6","8","8","6","3","10","1") = "9"
    & skf18("6","8","8","6","4","1","1") = "7"
    & skf18("6","8","8","6","4","2","1") = "7"
    & skf18("6","8","8","6","4","3","1") = "7"
    & skf18("6","8","8","6","4","4","1") = "7"
    & skf18("6","8","8","6","4","5","1") = "7"
    & skf18("6","8","8","6","4","6","1") = "7"
    & skf18("6","8","8","6","4","7","1") = "7"
    & skf18("6","8","8","6","4","8","1") = "7"
    & skf18("6","8","8","6","4","9","1") = "8"
    & skf18("6","8","8","6","4","10","1") = "9"
    & skf18("6","8","8","6","5","1","1") = "7"
    & skf18("6","8","8","6","5","2","1") = "7"
    & skf18("6","8","8","6","5","3","1") = "7"
    & skf18("6","8","8","6","5","4","1") = "7"
    & skf18("6","8","8","6","5","5","1") = "7"
    & skf18("6","8","8","6","5","6","1") = "7"
    & skf18("6","8","8","6","5","7","1") = "7"
    & skf18("6","8","8","6","5","8","1") = "7"
    & skf18("6","8","8","6","5","9","1") = "8"
    & skf18("6","8","8","6","5","10","1") = "9"
    & skf18("6","8","8","6","6","1","1") = "7"
    & skf18("6","8","8","6","6","2","1") = "7"
    & skf18("6","8","8","6","6","3","1") = "7"
    & skf18("6","8","8","6","6","4","1") = "7"
    & skf18("6","8","8","6","6","5","1") = "7"
    & skf18("6","8","8","6","6","6","1") = "7"
    & skf18("6","8","8","6","6","7","1") = "7"
    & skf18("6","8","8","6","6","8","1") = "7"
    & skf18("6","8","8","6","6","9","1") = "8"
    & skf18("6","8","8","6","6","10","1") = "9"
    & skf18("6","8","8","6","7","1","1") = "7"
    & skf18("6","8","8","6","7","2","1") = "7"
    & skf18("6","8","8","6","7","3","1") = "7"
    & skf18("6","8","8","6","7","4","1") = "7"
    & skf18("6","8","8","6","7","5","1") = "7"
    & skf18("6","8","8","6","7","6","1") = "7"
    & skf18("6","8","8","6","7","7","1") = "7"
    & skf18("6","8","8","6","7","8","1") = "7"
    & skf18("6","8","8","6","7","9","1") = "8"
    & skf18("6","8","8","6","7","10","1") = "9"
    & skf18("6","8","8","6","8","1","1") = "7"
    & skf18("6","8","8","6","8","2","1") = "7"
    & skf18("6","8","8","6","8","3","1") = "7"
    & skf18("6","8","8","6","8","4","1") = "7"
    & skf18("6","8","8","6","8","5","1") = "7"
    & skf18("6","8","8","6","8","6","1") = "7"
    & skf18("6","8","8","6","8","7","1") = "7"
    & skf18("6","8","8","6","8","8","1") = "7"
    & skf18("6","8","8","6","8","9","1") = "8"
    & skf18("6","8","8","6","8","10","1") = "9"
    & skf18("6","8","8","6","9","1","1") = "8"
    & skf18("6","8","8","6","9","2","1") = "8"
    & skf18("6","8","8","6","9","3","1") = "8"
    & skf18("6","8","8","6","9","4","1") = "8"
    & skf18("6","8","8","6","9","5","1") = "8"
    & skf18("6","8","8","6","9","6","1") = "8"
    & skf18("6","8","8","6","9","7","1") = "8"
    & skf18("6","8","8","6","9","8","1") = "8"
    & skf18("6","8","8","6","9","9","1") = "8"
    & skf18("6","8","8","6","9","10","1") = "9"
    & skf18("6","8","8","6","10","1","1") = "9"
    & skf18("6","8","8","6","10","2","1") = "9"
    & skf18("6","8","8","6","10","3","1") = "9"
    & skf18("6","8","8","6","10","4","1") = "9"
    & skf18("6","8","8","6","10","5","1") = "9"
    & skf18("6","8","8","6","10","6","1") = "9"
    & skf18("6","8","8","6","10","7","1") = "9"
    & skf18("6","8","8","6","10","8","1") = "9"
    & skf18("6","8","8","6","10","9","1") = "9"
    & skf18("6","8","8","6","10","10","1") = "9"
    & skf18("6","8","8","7","1","1","1") = "7"
    & skf18("6","8","8","7","1","2","1") = "7"
    & skf18("6","8","8","7","1","3","1") = "7"
    & skf18("6","8","8","7","1","4","1") = "7"
    & skf18("6","8","8","7","1","5","1") = "7"
    & skf18("6","8","8","7","1","6","1") = "7"
    & skf18("6","8","8","7","1","7","1") = "7"
    & skf18("6","8","8","7","1","8","1") = "7"
    & skf18("6","8","8","7","1","9","1") = "8"
    & skf18("6","8","8","7","1","10","1") = "9"
    & skf18("6","8","8","7","2","1","1") = "7"
    & skf18("6","8","8","7","2","2","1") = "7"
    & skf18("6","8","8","7","2","3","1") = "7"
    & skf18("6","8","8","7","2","4","1") = "7"
    & skf18("6","8","8","7","2","5","1") = "7"
    & skf18("6","8","8","7","2","6","1") = "7"
    & skf18("6","8","8","7","2","7","1") = "7"
    & skf18("6","8","8","7","2","8","1") = "7"
    & skf18("6","8","8","7","2","9","1") = "8"
    & skf18("6","8","8","7","2","10","1") = "9"
    & skf18("6","8","8","7","3","1","1") = "7"
    & skf18("6","8","8","7","3","2","1") = "7"
    & skf18("6","8","8","7","3","3","1") = "7"
    & skf18("6","8","8","7","3","4","1") = "7"
    & skf18("6","8","8","7","3","5","1") = "7"
    & skf18("6","8","8","7","3","6","1") = "7"
    & skf18("6","8","8","7","3","7","1") = "7"
    & skf18("6","8","8","7","3","8","1") = "7"
    & skf18("6","8","8","7","3","9","1") = "8"
    & skf18("6","8","8","7","3","10","1") = "9"
    & skf18("6","8","8","7","4","1","1") = "7"
    & skf18("6","8","8","7","4","2","1") = "7"
    & skf18("6","8","8","7","4","3","1") = "7"
    & skf18("6","8","8","7","4","4","1") = "7"
    & skf18("6","8","8","7","4","5","1") = "7"
    & skf18("6","8","8","7","4","6","1") = "7"
    & skf18("6","8","8","7","4","7","1") = "7"
    & skf18("6","8","8","7","4","8","1") = "7"
    & skf18("6","8","8","7","4","9","1") = "8"
    & skf18("6","8","8","7","4","10","1") = "9"
    & skf18("6","8","8","7","5","1","1") = "7"
    & skf18("6","8","8","7","5","2","1") = "7"
    & skf18("6","8","8","7","5","3","1") = "7"
    & skf18("6","8","8","7","5","4","1") = "7"
    & skf18("6","8","8","7","5","5","1") = "7"
    & skf18("6","8","8","7","5","6","1") = "7"
    & skf18("6","8","8","7","5","7","1") = "7"
    & skf18("6","8","8","7","5","8","1") = "7"
    & skf18("6","8","8","7","5","9","1") = "8"
    & skf18("6","8","8","7","5","10","1") = "9"
    & skf18("6","8","8","7","6","1","1") = "7"
    & skf18("6","8","8","7","6","2","1") = "7"
    & skf18("6","8","8","7","6","3","1") = "7"
    & skf18("6","8","8","7","6","4","1") = "7"
    & skf18("6","8","8","7","6","5","1") = "7"
    & skf18("6","8","8","7","6","6","1") = "7"
    & skf18("6","8","8","7","6","7","1") = "7"
    & skf18("6","8","8","7","6","8","1") = "7"
    & skf18("6","8","8","7","6","9","1") = "8"
    & skf18("6","8","8","7","6","10","1") = "9"
    & skf18("6","8","8","7","7","1","1") = "7"
    & skf18("6","8","8","7","7","2","1") = "7"
    & skf18("6","8","8","7","7","3","1") = "7"
    & skf18("6","8","8","7","7","4","1") = "7"
    & skf18("6","8","8","7","7","5","1") = "7"
    & skf18("6","8","8","7","7","6","1") = "7"
    & skf18("6","8","8","7","7","7","1") = "7"
    & skf18("6","8","8","7","7","8","1") = "7"
    & skf18("6","8","8","7","7","9","1") = "8"
    & skf18("6","8","8","7","7","10","1") = "9"
    & skf18("6","8","8","7","8","1","1") = "7"
    & skf18("6","8","8","7","8","2","1") = "7"
    & skf18("6","8","8","7","8","3","1") = "7"
    & skf18("6","8","8","7","8","4","1") = "7"
    & skf18("6","8","8","7","8","5","1") = "7"
    & skf18("6","8","8","7","8","6","1") = "7"
    & skf18("6","8","8","7","8","7","1") = "7"
    & skf18("6","8","8","7","8","8","1") = "7"
    & skf18("6","8","8","7","8","9","1") = "8"
    & skf18("6","8","8","7","8","10","1") = "9"
    & skf18("6","8","8","7","9","1","1") = "8"
    & skf18("6","8","8","7","9","2","1") = "8"
    & skf18("6","8","8","7","9","3","1") = "8"
    & skf18("6","8","8","7","9","4","1") = "8"
    & skf18("6","8","8","7","9","5","1") = "8"
    & skf18("6","8","8","7","9","6","1") = "8"
    & skf18("6","8","8","7","9","7","1") = "8"
    & skf18("6","8","8","7","9","8","1") = "8"
    & skf18("6","8","8","7","9","9","1") = "8"
    & skf18("6","8","8","7","9","10","1") = "9"
    & skf18("6","8","8","7","10","1","1") = "9"
    & skf18("6","8","8","7","10","2","1") = "9"
    & skf18("6","8","8","7","10","3","1") = "9"
    & skf18("6","8","8","7","10","4","1") = "9"
    & skf18("6","8","8","7","10","5","1") = "9"
    & skf18("6","8","8","7","10","6","1") = "9"
    & skf18("6","8","8","7","10","7","1") = "9"
    & skf18("6","8","8","7","10","8","1") = "9"
    & skf18("6","8","8","7","10","9","1") = "9"
    & skf18("6","8","8","7","10","10","1") = "9"
    & skf18("6","8","8","8","1","1","1") = "7"
    & skf18("6","8","8","8","1","2","1") = "7"
    & skf18("6","8","8","8","1","3","1") = "7"
    & skf18("6","8","8","8","1","4","1") = "7"
    & skf18("6","8","8","8","1","5","1") = "7"
    & skf18("6","8","8","8","1","6","1") = "7"
    & skf18("6","8","8","8","1","7","1") = "7"
    & skf18("6","8","8","8","1","8","1") = "7"
    & skf18("6","8","8","8","1","9","1") = "8"
    & skf18("6","8","8","8","1","10","1") = "9"
    & skf18("6","8","8","8","2","1","1") = "7"
    & skf18("6","8","8","8","2","2","1") = "7"
    & skf18("6","8","8","8","2","3","1") = "7"
    & skf18("6","8","8","8","2","4","1") = "7"
    & skf18("6","8","8","8","2","5","1") = "7"
    & skf18("6","8","8","8","2","6","1") = "7"
    & skf18("6","8","8","8","2","7","1") = "7"
    & skf18("6","8","8","8","2","8","1") = "7"
    & skf18("6","8","8","8","2","9","1") = "8"
    & skf18("6","8","8","8","2","10","1") = "9"
    & skf18("6","8","8","8","3","1","1") = "7"
    & skf18("6","8","8","8","3","2","1") = "7"
    & skf18("6","8","8","8","3","3","1") = "7"
    & skf18("6","8","8","8","3","4","1") = "7"
    & skf18("6","8","8","8","3","5","1") = "7"
    & skf18("6","8","8","8","3","6","1") = "7"
    & skf18("6","8","8","8","3","7","1") = "7"
    & skf18("6","8","8","8","3","8","1") = "7"
    & skf18("6","8","8","8","3","9","1") = "8"
    & skf18("6","8","8","8","3","10","1") = "9"
    & skf18("6","8","8","8","4","1","1") = "7"
    & skf18("6","8","8","8","4","2","1") = "7"
    & skf18("6","8","8","8","4","3","1") = "7"
    & skf18("6","8","8","8","4","4","1") = "7"
    & skf18("6","8","8","8","4","5","1") = "7"
    & skf18("6","8","8","8","4","6","1") = "7"
    & skf18("6","8","8","8","4","7","1") = "7"
    & skf18("6","8","8","8","4","8","1") = "7"
    & skf18("6","8","8","8","4","9","1") = "8"
    & skf18("6","8","8","8","4","10","1") = "9"
    & skf18("6","8","8","8","5","1","1") = "7"
    & skf18("6","8","8","8","5","2","1") = "7"
    & skf18("6","8","8","8","5","3","1") = "7"
    & skf18("6","8","8","8","5","4","1") = "7"
    & skf18("6","8","8","8","5","5","1") = "7"
    & skf18("6","8","8","8","5","6","1") = "7"
    & skf18("6","8","8","8","5","7","1") = "7"
    & skf18("6","8","8","8","5","8","1") = "7"
    & skf18("6","8","8","8","5","9","1") = "8"
    & skf18("6","8","8","8","5","10","1") = "9"
    & skf18("6","8","8","8","6","1","1") = "7"
    & skf18("6","8","8","8","6","2","1") = "7"
    & skf18("6","8","8","8","6","3","1") = "7"
    & skf18("6","8","8","8","6","4","1") = "7"
    & skf18("6","8","8","8","6","5","1") = "7"
    & skf18("6","8","8","8","6","6","1") = "7"
    & skf18("6","8","8","8","6","7","1") = "7"
    & skf18("6","8","8","8","6","8","1") = "7"
    & skf18("6","8","8","8","6","9","1") = "8"
    & skf18("6","8","8","8","6","10","1") = "9"
    & skf18("6","8","8","8","7","1","1") = "7"
    & skf18("6","8","8","8","7","2","1") = "7"
    & skf18("6","8","8","8","7","3","1") = "7"
    & skf18("6","8","8","8","7","4","1") = "7"
    & skf18("6","8","8","8","7","5","1") = "7"
    & skf18("6","8","8","8","7","6","1") = "7"
    & skf18("6","8","8","8","7","7","1") = "7"
    & skf18("6","8","8","8","7","8","1") = "7"
    & skf18("6","8","8","8","7","9","1") = "8"
    & skf18("6","8","8","8","7","10","1") = "9"
    & skf18("6","8","8","8","8","1","1") = "7"
    & skf18("6","8","8","8","8","2","1") = "7"
    & skf18("6","8","8","8","8","3","1") = "7"
    & skf18("6","8","8","8","8","4","1") = "7"
    & skf18("6","8","8","8","8","5","1") = "7"
    & skf18("6","8","8","8","8","6","1") = "7"
    & skf18("6","8","8","8","8","7","1") = "7"
    & skf18("6","8","8","8","8","8","1") = "7"
    & skf18("6","8","8","8","8","9","1") = "8"
    & skf18("6","8","8","8","8","10","1") = "9"
    & skf18("6","8","8","8","9","1","1") = "8"
    & skf18("6","8","8","8","9","2","1") = "8"
    & skf18("6","8","8","8","9","3","1") = "8"
    & skf18("6","8","8","8","9","4","1") = "8"
    & skf18("6","8","8","8","9","5","1") = "8"
    & skf18("6","8","8","8","9","6","1") = "8"
    & skf18("6","8","8","8","9","7","1") = "8"
    & skf18("6","8","8","8","9","8","1") = "8"
    & skf18("6","8","8","8","9","9","1") = "8"
    & skf18("6","8","8","8","9","10","1") = "9"
    & skf18("6","8","8","8","10","1","1") = "9"
    & skf18("6","8","8","8","10","2","1") = "9"
    & skf18("6","8","8","8","10","3","1") = "9"
    & skf18("6","8","8","8","10","4","1") = "9"
    & skf18("6","8","8","8","10","5","1") = "9"
    & skf18("6","8","8","8","10","6","1") = "9"
    & skf18("6","8","8","8","10","7","1") = "9"
    & skf18("6","8","8","8","10","8","1") = "9"
    & skf18("6","8","8","8","10","9","1") = "9"
    & skf18("6","8","8","8","10","10","1") = "9"
    & skf18("6","8","8","9","1","1","1") = "8"
    & skf18("6","8","8","9","1","2","1") = "8"
    & skf18("6","8","8","9","1","3","1") = "8"
    & skf18("6","8","8","9","1","4","1") = "8"
    & skf18("6","8","8","9","1","5","1") = "8"
    & skf18("6","8","8","9","1","6","1") = "8"
    & skf18("6","8","8","9","1","7","1") = "8"
    & skf18("6","8","8","9","1","8","1") = "8"
    & skf18("6","8","8","9","1","9","1") = "8"
    & skf18("6","8","8","9","1","10","1") = "9"
    & skf18("6","8","8","9","2","1","1") = "8"
    & skf18("6","8","8","9","2","2","1") = "8"
    & skf18("6","8","8","9","2","3","1") = "8"
    & skf18("6","8","8","9","2","4","1") = "8"
    & skf18("6","8","8","9","2","5","1") = "8"
    & skf18("6","8","8","9","2","6","1") = "8"
    & skf18("6","8","8","9","2","7","1") = "8"
    & skf18("6","8","8","9","2","8","1") = "8"
    & skf18("6","8","8","9","2","9","1") = "8"
    & skf18("6","8","8","9","2","10","1") = "9"
    & skf18("6","8","8","9","3","1","1") = "8"
    & skf18("6","8","8","9","3","2","1") = "8"
    & skf18("6","8","8","9","3","3","1") = "8"
    & skf18("6","8","8","9","3","4","1") = "8"
    & skf18("6","8","8","9","3","5","1") = "8"
    & skf18("6","8","8","9","3","6","1") = "8"
    & skf18("6","8","8","9","3","7","1") = "8"
    & skf18("6","8","8","9","3","8","1") = "8"
    & skf18("6","8","8","9","3","9","1") = "8"
    & skf18("6","8","8","9","3","10","1") = "9"
    & skf18("6","8","8","9","4","1","1") = "8"
    & skf18("6","8","8","9","4","2","1") = "8"
    & skf18("6","8","8","9","4","3","1") = "8"
    & skf18("6","8","8","9","4","4","1") = "8"
    & skf18("6","8","8","9","4","5","1") = "8"
    & skf18("6","8","8","9","4","6","1") = "8"
    & skf18("6","8","8","9","4","7","1") = "8"
    & skf18("6","8","8","9","4","8","1") = "8"
    & skf18("6","8","8","9","4","9","1") = "8"
    & skf18("6","8","8","9","4","10","1") = "9"
    & skf18("6","8","8","9","5","1","1") = "8"
    & skf18("6","8","8","9","5","2","1") = "8"
    & skf18("6","8","8","9","5","3","1") = "8"
    & skf18("6","8","8","9","5","4","1") = "8"
    & skf18("6","8","8","9","5","5","1") = "8"
    & skf18("6","8","8","9","5","6","1") = "8"
    & skf18("6","8","8","9","5","7","1") = "8"
    & skf18("6","8","8","9","5","8","1") = "8"
    & skf18("6","8","8","9","5","9","1") = "8"
    & skf18("6","8","8","9","5","10","1") = "9"
    & skf18("6","8","8","9","6","1","1") = "8"
    & skf18("6","8","8","9","6","2","1") = "8"
    & skf18("6","8","8","9","6","3","1") = "8"
    & skf18("6","8","8","9","6","4","1") = "8"
    & skf18("6","8","8","9","6","5","1") = "8"
    & skf18("6","8","8","9","6","6","1") = "8"
    & skf18("6","8","8","9","6","7","1") = "8"
    & skf18("6","8","8","9","6","8","1") = "8"
    & skf18("6","8","8","9","6","9","1") = "8"
    & skf18("6","8","8","9","6","10","1") = "9"
    & skf18("6","8","8","9","7","1","1") = "8"
    & skf18("6","8","8","9","7","2","1") = "8"
    & skf18("6","8","8","9","7","3","1") = "8"
    & skf18("6","8","8","9","7","4","1") = "8"
    & skf18("6","8","8","9","7","5","1") = "8"
    & skf18("6","8","8","9","7","6","1") = "8"
    & skf18("6","8","8","9","7","7","1") = "8"
    & skf18("6","8","8","9","7","8","1") = "8"
    & skf18("6","8","8","9","7","9","1") = "8"
    & skf18("6","8","8","9","7","10","1") = "9"
    & skf18("6","8","8","9","8","1","1") = "8"
    & skf18("6","8","8","9","8","2","1") = "8"
    & skf18("6","8","8","9","8","3","1") = "8"
    & skf18("6","8","8","9","8","4","1") = "8"
    & skf18("6","8","8","9","8","5","1") = "8"
    & skf18("6","8","8","9","8","6","1") = "8"
    & skf18("6","8","8","9","8","7","1") = "8"
    & skf18("6","8","8","9","8","8","1") = "8"
    & skf18("6","8","8","9","8","9","1") = "8"
    & skf18("6","8","8","9","8","10","1") = "9"
    & skf18("6","8","8","9","9","1","1") = "8"
    & skf18("6","8","8","9","9","2","1") = "8"
    & skf18("6","8","8","9","9","3","1") = "8"
    & skf18("6","8","8","9","9","4","1") = "8"
    & skf18("6","8","8","9","9","5","1") = "8"
    & skf18("6","8","8","9","9","6","1") = "8"
    & skf18("6","8","8","9","9","7","1") = "8"
    & skf18("6","8","8","9","9","8","1") = "8"
    & skf18("6","8","8","9","9","9","1") = "8"
    & skf18("6","8","8","9","9","10","1") = "9"
    & skf18("6","8","8","9","10","1","1") = "9"
    & skf18("6","8","8","9","10","2","1") = "9"
    & skf18("6","8","8","9","10","3","1") = "9"
    & skf18("6","8","8","9","10","4","1") = "9"
    & skf18("6","8","8","9","10","5","1") = "9"
    & skf18("6","8","8","9","10","6","1") = "9"
    & skf18("6","8","8","9","10","7","1") = "9"
    & skf18("6","8","8","9","10","8","1") = "9"
    & skf18("6","8","8","9","10","9","1") = "9"
    & skf18("6","8","8","9","10","10","1") = "9"
    & skf18("6","8","8","10","1","1","1") = "9"
    & skf18("6","8","8","10","1","2","1") = "9"
    & skf18("6","8","8","10","1","3","1") = "9"
    & skf18("6","8","8","10","1","4","1") = "9"
    & skf18("6","8","8","10","1","5","1") = "9"
    & skf18("6","8","8","10","1","6","1") = "9"
    & skf18("6","8","8","10","1","7","1") = "9"
    & skf18("6","8","8","10","1","8","1") = "9"
    & skf18("6","8","8","10","1","9","1") = "9"
    & skf18("6","8","8","10","1","10","1") = "9"
    & skf18("6","8","8","10","2","1","1") = "9"
    & skf18("6","8","8","10","2","2","1") = "9"
    & skf18("6","8","8","10","2","3","1") = "9"
    & skf18("6","8","8","10","2","4","1") = "9"
    & skf18("6","8","8","10","2","5","1") = "9"
    & skf18("6","8","8","10","2","6","1") = "9"
    & skf18("6","8","8","10","2","7","1") = "9"
    & skf18("6","8","8","10","2","8","1") = "9"
    & skf18("6","8","8","10","2","9","1") = "9"
    & skf18("6","8","8","10","2","10","1") = "9"
    & skf18("6","8","8","10","3","1","1") = "9"
    & skf18("6","8","8","10","3","2","1") = "9"
    & skf18("6","8","8","10","3","3","1") = "9"
    & skf18("6","8","8","10","3","4","1") = "9"
    & skf18("6","8","8","10","3","5","1") = "9"
    & skf18("6","8","8","10","3","6","1") = "9"
    & skf18("6","8","8","10","3","7","1") = "9"
    & skf18("6","8","8","10","3","8","1") = "9"
    & skf18("6","8","8","10","3","9","1") = "9"
    & skf18("6","8","8","10","3","10","1") = "9"
    & skf18("6","8","8","10","4","1","1") = "9"
    & skf18("6","8","8","10","4","2","1") = "9"
    & skf18("6","8","8","10","4","3","1") = "9"
    & skf18("6","8","8","10","4","4","1") = "9"
    & skf18("6","8","8","10","4","5","1") = "9"
    & skf18("6","8","8","10","4","6","1") = "9"
    & skf18("6","8","8","10","4","7","1") = "9"
    & skf18("6","8","8","10","4","8","1") = "9"
    & skf18("6","8","8","10","4","9","1") = "9"
    & skf18("6","8","8","10","4","10","1") = "9"
    & skf18("6","8","8","10","5","1","1") = "9"
    & skf18("6","8","8","10","5","2","1") = "9"
    & skf18("6","8","8","10","5","3","1") = "9"
    & skf18("6","8","8","10","5","4","1") = "9"
    & skf18("6","8","8","10","5","5","1") = "9"
    & skf18("6","8","8","10","5","6","1") = "9"
    & skf18("6","8","8","10","5","7","1") = "9"
    & skf18("6","8","8","10","5","8","1") = "9"
    & skf18("6","8","8","10","5","9","1") = "9"
    & skf18("6","8","8","10","5","10","1") = "9"
    & skf18("6","8","8","10","6","1","1") = "9"
    & skf18("6","8","8","10","6","2","1") = "9"
    & skf18("6","8","8","10","6","3","1") = "9"
    & skf18("6","8","8","10","6","4","1") = "9"
    & skf18("6","8","8","10","6","5","1") = "9"
    & skf18("6","8","8","10","6","6","1") = "9"
    & skf18("6","8","8","10","6","7","1") = "9"
    & skf18("6","8","8","10","6","8","1") = "9"
    & skf18("6","8","8","10","6","9","1") = "9"
    & skf18("6","8","8","10","6","10","1") = "9"
    & skf18("6","8","8","10","7","1","1") = "9"
    & skf18("6","8","8","10","7","2","1") = "9"
    & skf18("6","8","8","10","7","3","1") = "9"
    & skf18("6","8","8","10","7","4","1") = "9"
    & skf18("6","8","8","10","7","5","1") = "9"
    & skf18("6","8","8","10","7","6","1") = "9"
    & skf18("6","8","8","10","7","7","1") = "9"
    & skf18("6","8","8","10","7","8","1") = "9"
    & skf18("6","8","8","10","7","9","1") = "9"
    & skf18("6","8","8","10","7","10","1") = "9"
    & skf18("6","8","8","10","8","1","1") = "9"
    & skf18("6","8","8","10","8","2","1") = "9"
    & skf18("6","8","8","10","8","3","1") = "9"
    & skf18("6","8","8","10","8","4","1") = "9"
    & skf18("6","8","8","10","8","5","1") = "9"
    & skf18("6","8","8","10","8","6","1") = "9"
    & skf18("6","8","8","10","8","7","1") = "9"
    & skf18("6","8","8","10","8","8","1") = "9"
    & skf18("6","8","8","10","8","9","1") = "9"
    & skf18("6","8","8","10","8","10","1") = "9"
    & skf18("6","8","8","10","9","1","1") = "9"
    & skf18("6","8","8","10","9","2","1") = "9"
    & skf18("6","8","8","10","9","3","1") = "9"
    & skf18("6","8","8","10","9","4","1") = "9"
    & skf18("6","8","8","10","9","5","1") = "9"
    & skf18("6","8","8","10","9","6","1") = "9"
    & skf18("6","8","8","10","9","7","1") = "9"
    & skf18("6","8","8","10","9","8","1") = "9"
    & skf18("6","8","8","10","9","9","1") = "9"
    & skf18("6","8","8","10","9","10","1") = "9"
    & skf18("6","8","8","10","10","1","1") = "9"
    & skf18("6","8","8","10","10","2","1") = "9"
    & skf18("6","8","8","10","10","3","1") = "9"
    & skf18("6","8","8","10","10","4","1") = "9"
    & skf18("6","8","8","10","10","5","1") = "9"
    & skf18("6","8","8","10","10","6","1") = "9"
    & skf18("6","8","8","10","10","7","1") = "9"
    & skf18("6","8","8","10","10","8","1") = "9"
    & skf18("6","8","8","10","10","9","1") = "9"
    & skf18("6","8","8","10","10","10","1") = "9"
    & skf18("6","8","9","1","1","1","1") = "8"
    & skf18("6","8","9","1","1","2","1") = "8"
    & skf18("6","8","9","1","1","3","1") = "8"
    & skf18("6","8","9","1","1","4","1") = "8"
    & skf18("6","8","9","1","1","5","1") = "8"
    & skf18("6","8","9","1","1","6","1") = "8"
    & skf18("6","8","9","1","1","7","1") = "8"
    & skf18("6","8","9","1","1","8","1") = "8"
    & skf18("6","8","9","1","1","9","1") = "8"
    & skf18("6","8","9","1","1","10","1") = "9"
    & skf18("6","8","9","1","2","1","1") = "8"
    & skf18("6","8","9","1","2","2","1") = "8"
    & skf18("6","8","9","1","2","3","1") = "8"
    & skf18("6","8","9","1","2","4","1") = "8"
    & skf18("6","8","9","1","2","5","1") = "8"
    & skf18("6","8","9","1","2","6","1") = "8"
    & skf18("6","8","9","1","2","7","1") = "8"
    & skf18("6","8","9","1","2","8","1") = "8"
    & skf18("6","8","9","1","2","9","1") = "8"
    & skf18("6","8","9","1","2","10","1") = "9"
    & skf18("6","8","9","1","3","1","1") = "8"
    & skf18("6","8","9","1","3","2","1") = "8"
    & skf18("6","8","9","1","3","3","1") = "8"
    & skf18("6","8","9","1","3","4","1") = "8"
    & skf18("6","8","9","1","3","5","1") = "8"
    & skf18("6","8","9","1","3","6","1") = "8"
    & skf18("6","8","9","1","3","7","1") = "8"
    & skf18("6","8","9","1","3","8","1") = "8"
    & skf18("6","8","9","1","3","9","1") = "8"
    & skf18("6","8","9","1","3","10","1") = "9"
    & skf18("6","8","9","1","4","1","1") = "8"
    & skf18("6","8","9","1","4","2","1") = "8"
    & skf18("6","8","9","1","4","3","1") = "8"
    & skf18("6","8","9","1","4","4","1") = "8"
    & skf18("6","8","9","1","4","5","1") = "8"
    & skf18("6","8","9","1","4","6","1") = "8"
    & skf18("6","8","9","1","4","7","1") = "8"
    & skf18("6","8","9","1","4","8","1") = "8"
    & skf18("6","8","9","1","4","9","1") = "8"
    & skf18("6","8","9","1","4","10","1") = "9"
    & skf18("6","8","9","1","5","1","1") = "8"
    & skf18("6","8","9","1","5","2","1") = "8"
    & skf18("6","8","9","1","5","3","1") = "8"
    & skf18("6","8","9","1","5","4","1") = "8"
    & skf18("6","8","9","1","5","5","1") = "8"
    & skf18("6","8","9","1","5","6","1") = "8"
    & skf18("6","8","9","1","5","7","1") = "8"
    & skf18("6","8","9","1","5","8","1") = "8"
    & skf18("6","8","9","1","5","9","1") = "8"
    & skf18("6","8","9","1","5","10","1") = "9"
    & skf18("6","8","9","1","6","1","1") = "8"
    & skf18("6","8","9","1","6","2","1") = "8"
    & skf18("6","8","9","1","6","3","1") = "8"
    & skf18("6","8","9","1","6","4","1") = "8"
    & skf18("6","8","9","1","6","5","1") = "8"
    & skf18("6","8","9","1","6","6","1") = "8"
    & skf18("6","8","9","1","6","7","1") = "8"
    & skf18("6","8","9","1","6","8","1") = "8"
    & skf18("6","8","9","1","6","9","1") = "8"
    & skf18("6","8","9","1","6","10","1") = "9"
    & skf18("6","8","9","1","7","1","1") = "8"
    & skf18("6","8","9","1","7","2","1") = "8"
    & skf18("6","8","9","1","7","3","1") = "8"
    & skf18("6","8","9","1","7","4","1") = "8"
    & skf18("6","8","9","1","7","5","1") = "8"
    & skf18("6","8","9","1","7","6","1") = "8"
    & skf18("6","8","9","1","7","7","1") = "8"
    & skf18("6","8","9","1","7","8","1") = "8"
    & skf18("6","8","9","1","7","9","1") = "8"
    & skf18("6","8","9","1","7","10","1") = "9"
    & skf18("6","8","9","1","8","1","1") = "8"
    & skf18("6","8","9","1","8","2","1") = "8"
    & skf18("6","8","9","1","8","3","1") = "8"
    & skf18("6","8","9","1","8","4","1") = "8"
    & skf18("6","8","9","1","8","5","1") = "8"
    & skf18("6","8","9","1","8","6","1") = "8"
    & skf18("6","8","9","1","8","7","1") = "8"
    & skf18("6","8","9","1","8","8","1") = "8"
    & skf18("6","8","9","1","8","9","1") = "8"
    & skf18("6","8","9","1","8","10","1") = "9"
    & skf18("6","8","9","1","9","1","1") = "8"
    & skf18("6","8","9","1","9","2","1") = "8"
    & skf18("6","8","9","1","9","3","1") = "8"
    & skf18("6","8","9","1","9","4","1") = "8"
    & skf18("6","8","9","1","9","5","1") = "8"
    & skf18("6","8","9","1","9","6","1") = "8"
    & skf18("6","8","9","1","9","7","1") = "8"
    & skf18("6","8","9","1","9","8","1") = "8"
    & skf18("6","8","9","1","9","9","1") = "8"
    & skf18("6","8","9","1","9","10","1") = "9"
    & skf18("6","8","9","1","10","1","1") = "9"
    & skf18("6","8","9","1","10","2","1") = "9"
    & skf18("6","8","9","1","10","3","1") = "9"
    & skf18("6","8","9","1","10","4","1") = "9"
    & skf18("6","8","9","1","10","5","1") = "9"
    & skf18("6","8","9","1","10","6","1") = "9"
    & skf18("6","8","9","1","10","7","1") = "9"
    & skf18("6","8","9","1","10","8","1") = "9"
    & skf18("6","8","9","1","10","9","1") = "9"
    & skf18("6","8","9","1","10","10","1") = "9"
    & skf18("6","8","9","2","1","1","1") = "8"
    & skf18("6","8","9","2","1","2","1") = "8"
    & skf18("6","8","9","2","1","3","1") = "8"
    & skf18("6","8","9","2","1","4","1") = "8"
    & skf18("6","8","9","2","1","5","1") = "8"
    & skf18("6","8","9","2","1","6","1") = "8"
    & skf18("6","8","9","2","1","7","1") = "8"
    & skf18("6","8","9","2","1","8","1") = "8"
    & skf18("6","8","9","2","1","9","1") = "8"
    & skf18("6","8","9","2","1","10","1") = "9"
    & skf18("6","8","9","2","2","1","1") = "8"
    & skf18("6","8","9","2","2","2","1") = "8"
    & skf18("6","8","9","2","2","3","1") = "8"
    & skf18("6","8","9","2","2","4","1") = "8"
    & skf18("6","8","9","2","2","5","1") = "8"
    & skf18("6","8","9","2","2","6","1") = "8"
    & skf18("6","8","9","2","2","7","1") = "8"
    & skf18("6","8","9","2","2","8","1") = "8"
    & skf18("6","8","9","2","2","9","1") = "8"
    & skf18("6","8","9","2","2","10","1") = "9"
    & skf18("6","8","9","2","3","1","1") = "8"
    & skf18("6","8","9","2","3","2","1") = "8"
    & skf18("6","8","9","2","3","3","1") = "8"
    & skf18("6","8","9","2","3","4","1") = "8"
    & skf18("6","8","9","2","3","5","1") = "8"
    & skf18("6","8","9","2","3","6","1") = "8"
    & skf18("6","8","9","2","3","7","1") = "8"
    & skf18("6","8","9","2","3","8","1") = "8"
    & skf18("6","8","9","2","3","9","1") = "8"
    & skf18("6","8","9","2","3","10","1") = "9"
    & skf18("6","8","9","2","4","1","1") = "8"
    & skf18("6","8","9","2","4","2","1") = "8"
    & skf18("6","8","9","2","4","3","1") = "8"
    & skf18("6","8","9","2","4","4","1") = "8"
    & skf18("6","8","9","2","4","5","1") = "8"
    & skf18("6","8","9","2","4","6","1") = "8"
    & skf18("6","8","9","2","4","7","1") = "8"
    & skf18("6","8","9","2","4","8","1") = "8"
    & skf18("6","8","9","2","4","9","1") = "8"
    & skf18("6","8","9","2","4","10","1") = "9"
    & skf18("6","8","9","2","5","1","1") = "8"
    & skf18("6","8","9","2","5","2","1") = "8"
    & skf18("6","8","9","2","5","3","1") = "8"
    & skf18("6","8","9","2","5","4","1") = "8"
    & skf18("6","8","9","2","5","5","1") = "8"
    & skf18("6","8","9","2","5","6","1") = "8"
    & skf18("6","8","9","2","5","7","1") = "8"
    & skf18("6","8","9","2","5","8","1") = "8"
    & skf18("6","8","9","2","5","9","1") = "8"
    & skf18("6","8","9","2","5","10","1") = "9"
    & skf18("6","8","9","2","6","1","1") = "8"
    & skf18("6","8","9","2","6","2","1") = "8"
    & skf18("6","8","9","2","6","3","1") = "8"
    & skf18("6","8","9","2","6","4","1") = "8"
    & skf18("6","8","9","2","6","5","1") = "8"
    & skf18("6","8","9","2","6","6","1") = "8"
    & skf18("6","8","9","2","6","7","1") = "8"
    & skf18("6","8","9","2","6","8","1") = "8"
    & skf18("6","8","9","2","6","9","1") = "8"
    & skf18("6","8","9","2","6","10","1") = "9"
    & skf18("6","8","9","2","7","1","1") = "8"
    & skf18("6","8","9","2","7","2","1") = "8"
    & skf18("6","8","9","2","7","3","1") = "8"
    & skf18("6","8","9","2","7","4","1") = "8"
    & skf18("6","8","9","2","7","5","1") = "8"
    & skf18("6","8","9","2","7","6","1") = "8"
    & skf18("6","8","9","2","7","7","1") = "8"
    & skf18("6","8","9","2","7","8","1") = "8"
    & skf18("6","8","9","2","7","9","1") = "8"
    & skf18("6","8","9","2","7","10","1") = "9"
    & skf18("6","8","9","2","8","1","1") = "8"
    & skf18("6","8","9","2","8","2","1") = "8"
    & skf18("6","8","9","2","8","3","1") = "8"
    & skf18("6","8","9","2","8","4","1") = "8"
    & skf18("6","8","9","2","8","5","1") = "8"
    & skf18("6","8","9","2","8","6","1") = "8"
    & skf18("6","8","9","2","8","7","1") = "8"
    & skf18("6","8","9","2","8","8","1") = "8"
    & skf18("6","8","9","2","8","9","1") = "8"
    & skf18("6","8","9","2","8","10","1") = "9"
    & skf18("6","8","9","2","9","1","1") = "8"
    & skf18("6","8","9","2","9","2","1") = "8"
    & skf18("6","8","9","2","9","3","1") = "8"
    & skf18("6","8","9","2","9","4","1") = "8"
    & skf18("6","8","9","2","9","5","1") = "8"
    & skf18("6","8","9","2","9","6","1") = "8"
    & skf18("6","8","9","2","9","7","1") = "8"
    & skf18("6","8","9","2","9","8","1") = "8"
    & skf18("6","8","9","2","9","9","1") = "8"
    & skf18("6","8","9","2","9","10","1") = "9"
    & skf18("6","8","9","2","10","1","1") = "9"
    & skf18("6","8","9","2","10","2","1") = "9"
    & skf18("6","8","9","2","10","3","1") = "9"
    & skf18("6","8","9","2","10","4","1") = "9"
    & skf18("6","8","9","2","10","5","1") = "9"
    & skf18("6","8","9","2","10","6","1") = "9"
    & skf18("6","8","9","2","10","7","1") = "9"
    & skf18("6","8","9","2","10","8","1") = "9"
    & skf18("6","8","9","2","10","9","1") = "9"
    & skf18("6","8","9","2","10","10","1") = "9"
    & skf18("6","8","9","3","1","1","1") = "8"
    & skf18("6","8","9","3","1","2","1") = "8"
    & skf18("6","8","9","3","1","3","1") = "8"
    & skf18("6","8","9","3","1","4","1") = "8"
    & skf18("6","8","9","3","1","5","1") = "8"
    & skf18("6","8","9","3","1","6","1") = "8"
    & skf18("6","8","9","3","1","7","1") = "8"
    & skf18("6","8","9","3","1","8","1") = "8"
    & skf18("6","8","9","3","1","9","1") = "8"
    & skf18("6","8","9","3","1","10","1") = "9"
    & skf18("6","8","9","3","2","1","1") = "8"
    & skf18("6","8","9","3","2","2","1") = "8"
    & skf18("6","8","9","3","2","3","1") = "8"
    & skf18("6","8","9","3","2","4","1") = "8"
    & skf18("6","8","9","3","2","5","1") = "8"
    & skf18("6","8","9","3","2","6","1") = "8"
    & skf18("6","8","9","3","2","7","1") = "8"
    & skf18("6","8","9","3","2","8","1") = "8"
    & skf18("6","8","9","3","2","9","1") = "8"
    & skf18("6","8","9","3","2","10","1") = "9"
    & skf18("6","8","9","3","3","1","1") = "8"
    & skf18("6","8","9","3","3","2","1") = "8"
    & skf18("6","8","9","3","3","3","1") = "8"
    & skf18("6","8","9","3","3","4","1") = "8"
    & skf18("6","8","9","3","3","5","1") = "8"
    & skf18("6","8","9","3","3","6","1") = "8"
    & skf18("6","8","9","3","3","7","1") = "8"
    & skf18("6","8","9","3","3","8","1") = "8"
    & skf18("6","8","9","3","3","9","1") = "8"
    & skf18("6","8","9","3","3","10","1") = "9"
    & skf18("6","8","9","3","4","1","1") = "8"
    & skf18("6","8","9","3","4","2","1") = "8"
    & skf18("6","8","9","3","4","3","1") = "8"
    & skf18("6","8","9","3","4","4","1") = "8"
    & skf18("6","8","9","3","4","5","1") = "8"
    & skf18("6","8","9","3","4","6","1") = "8"
    & skf18("6","8","9","3","4","7","1") = "8"
    & skf18("6","8","9","3","4","8","1") = "8"
    & skf18("6","8","9","3","4","9","1") = "8"
    & skf18("6","8","9","3","4","10","1") = "9"
    & skf18("6","8","9","3","5","1","1") = "8"
    & skf18("6","8","9","3","5","2","1") = "8"
    & skf18("6","8","9","3","5","3","1") = "8"
    & skf18("6","8","9","3","5","4","1") = "8"
    & skf18("6","8","9","3","5","5","1") = "8"
    & skf18("6","8","9","3","5","6","1") = "8"
    & skf18("6","8","9","3","5","7","1") = "8"
    & skf18("6","8","9","3","5","8","1") = "8"
    & skf18("6","8","9","3","5","9","1") = "8"
    & skf18("6","8","9","3","5","10","1") = "9"
    & skf18("6","8","9","3","6","1","1") = "8"
    & skf18("6","8","9","3","6","2","1") = "8"
    & skf18("6","8","9","3","6","3","1") = "8"
    & skf18("6","8","9","3","6","4","1") = "8"
    & skf18("6","8","9","3","6","5","1") = "8"
    & skf18("6","8","9","3","6","6","1") = "8"
    & skf18("6","8","9","3","6","7","1") = "8"
    & skf18("6","8","9","3","6","8","1") = "8"
    & skf18("6","8","9","3","6","9","1") = "8"
    & skf18("6","8","9","3","6","10","1") = "9"
    & skf18("6","8","9","3","7","1","1") = "8"
    & skf18("6","8","9","3","7","2","1") = "8"
    & skf18("6","8","9","3","7","3","1") = "8"
    & skf18("6","8","9","3","7","4","1") = "8"
    & skf18("6","8","9","3","7","5","1") = "8"
    & skf18("6","8","9","3","7","6","1") = "8"
    & skf18("6","8","9","3","7","7","1") = "8"
    & skf18("6","8","9","3","7","8","1") = "8"
    & skf18("6","8","9","3","7","9","1") = "8"
    & skf18("6","8","9","3","7","10","1") = "9"
    & skf18("6","8","9","3","8","1","1") = "8"
    & skf18("6","8","9","3","8","2","1") = "8"
    & skf18("6","8","9","3","8","3","1") = "8"
    & skf18("6","8","9","3","8","4","1") = "8"
    & skf18("6","8","9","3","8","5","1") = "8"
    & skf18("6","8","9","3","8","6","1") = "8"
    & skf18("6","8","9","3","8","7","1") = "8"
    & skf18("6","8","9","3","8","8","1") = "8"
    & skf18("6","8","9","3","8","9","1") = "8"
    & skf18("6","8","9","3","8","10","1") = "9"
    & skf18("6","8","9","3","9","1","1") = "8"
    & skf18("6","8","9","3","9","2","1") = "8"
    & skf18("6","8","9","3","9","3","1") = "8"
    & skf18("6","8","9","3","9","4","1") = "8"
    & skf18("6","8","9","3","9","5","1") = "8"
    & skf18("6","8","9","3","9","6","1") = "8"
    & skf18("6","8","9","3","9","7","1") = "8"
    & skf18("6","8","9","3","9","8","1") = "8"
    & skf18("6","8","9","3","9","9","1") = "8"
    & skf18("6","8","9","3","9","10","1") = "9"
    & skf18("6","8","9","3","10","1","1") = "9"
    & skf18("6","8","9","3","10","2","1") = "9"
    & skf18("6","8","9","3","10","3","1") = "9"
    & skf18("6","8","9","3","10","4","1") = "9"
    & skf18("6","8","9","3","10","5","1") = "9"
    & skf18("6","8","9","3","10","6","1") = "9"
    & skf18("6","8","9","3","10","7","1") = "9"
    & skf18("6","8","9","3","10","8","1") = "9"
    & skf18("6","8","9","3","10","9","1") = "9"
    & skf18("6","8","9","3","10","10","1") = "9"
    & skf18("6","8","9","4","1","1","1") = "8"
    & skf18("6","8","9","4","1","2","1") = "8"
    & skf18("6","8","9","4","1","3","1") = "8"
    & skf18("6","8","9","4","1","4","1") = "8"
    & skf18("6","8","9","4","1","5","1") = "8"
    & skf18("6","8","9","4","1","6","1") = "8"
    & skf18("6","8","9","4","1","7","1") = "8"
    & skf18("6","8","9","4","1","8","1") = "8"
    & skf18("6","8","9","4","1","9","1") = "8"
    & skf18("6","8","9","4","1","10","1") = "9"
    & skf18("6","8","9","4","2","1","1") = "8"
    & skf18("6","8","9","4","2","2","1") = "8"
    & skf18("6","8","9","4","2","3","1") = "8"
    & skf18("6","8","9","4","2","4","1") = "8"
    & skf18("6","8","9","4","2","5","1") = "8"
    & skf18("6","8","9","4","2","6","1") = "8"
    & skf18("6","8","9","4","2","7","1") = "8"
    & skf18("6","8","9","4","2","8","1") = "8"
    & skf18("6","8","9","4","2","9","1") = "8"
    & skf18("6","8","9","4","2","10","1") = "9"
    & skf18("6","8","9","4","3","1","1") = "8"
    & skf18("6","8","9","4","3","2","1") = "8"
    & skf18("6","8","9","4","3","3","1") = "8"
    & skf18("6","8","9","4","3","4","1") = "8"
    & skf18("6","8","9","4","3","5","1") = "8"
    & skf18("6","8","9","4","3","6","1") = "8"
    & skf18("6","8","9","4","3","7","1") = "8"
    & skf18("6","8","9","4","3","8","1") = "8"
    & skf18("6","8","9","4","3","9","1") = "8"
    & skf18("6","8","9","4","3","10","1") = "9"
    & skf18("6","8","9","4","4","1","1") = "8"
    & skf18("6","8","9","4","4","2","1") = "8"
    & skf18("6","8","9","4","4","3","1") = "8"
    & skf18("6","8","9","4","4","4","1") = "8"
    & skf18("6","8","9","4","4","5","1") = "8"
    & skf18("6","8","9","4","4","6","1") = "8"
    & skf18("6","8","9","4","4","7","1") = "8"
    & skf18("6","8","9","4","4","8","1") = "8"
    & skf18("6","8","9","4","4","9","1") = "8"
    & skf18("6","8","9","4","4","10","1") = "9"
    & skf18("6","8","9","4","5","1","1") = "8"
    & skf18("6","8","9","4","5","2","1") = "8"
    & skf18("6","8","9","4","5","3","1") = "8"
    & skf18("6","8","9","4","5","4","1") = "8"
    & skf18("6","8","9","4","5","5","1") = "8"
    & skf18("6","8","9","4","5","6","1") = "8"
    & skf18("6","8","9","4","5","7","1") = "8"
    & skf18("6","8","9","4","5","8","1") = "8"
    & skf18("6","8","9","4","5","9","1") = "8"
    & skf18("6","8","9","4","5","10","1") = "9"
    & skf18("6","8","9","4","6","1","1") = "8"
    & skf18("6","8","9","4","6","2","1") = "8"
    & skf18("6","8","9","4","6","3","1") = "8"
    & skf18("6","8","9","4","6","4","1") = "8"
    & skf18("6","8","9","4","6","5","1") = "8"
    & skf18("6","8","9","4","6","6","1") = "8"
    & skf18("6","8","9","4","6","7","1") = "8"
    & skf18("6","8","9","4","6","8","1") = "8"
    & skf18("6","8","9","4","6","9","1") = "8"
    & skf18("6","8","9","4","6","10","1") = "9"
    & skf18("6","8","9","4","7","1","1") = "8"
    & skf18("6","8","9","4","7","2","1") = "8"
    & skf18("6","8","9","4","7","3","1") = "8"
    & skf18("6","8","9","4","7","4","1") = "8"
    & skf18("6","8","9","4","7","5","1") = "8"
    & skf18("6","8","9","4","7","6","1") = "8"
    & skf18("6","8","9","4","7","7","1") = "8"
    & skf18("6","8","9","4","7","8","1") = "8"
    & skf18("6","8","9","4","7","9","1") = "8"
    & skf18("6","8","9","4","7","10","1") = "9"
    & skf18("6","8","9","4","8","1","1") = "8"
    & skf18("6","8","9","4","8","2","1") = "8"
    & skf18("6","8","9","4","8","3","1") = "8"
    & skf18("6","8","9","4","8","4","1") = "8"
    & skf18("6","8","9","4","8","5","1") = "8"
    & skf18("6","8","9","4","8","6","1") = "8"
    & skf18("6","8","9","4","8","7","1") = "8"
    & skf18("6","8","9","4","8","8","1") = "8"
    & skf18("6","8","9","4","8","9","1") = "8"
    & skf18("6","8","9","4","8","10","1") = "9"
    & skf18("6","8","9","4","9","1","1") = "8"
    & skf18("6","8","9","4","9","2","1") = "8"
    & skf18("6","8","9","4","9","3","1") = "8"
    & skf18("6","8","9","4","9","4","1") = "8"
    & skf18("6","8","9","4","9","5","1") = "8"
    & skf18("6","8","9","4","9","6","1") = "8"
    & skf18("6","8","9","4","9","7","1") = "8"
    & skf18("6","8","9","4","9","8","1") = "8"
    & skf18("6","8","9","4","9","9","1") = "8"
    & skf18("6","8","9","4","9","10","1") = "9"
    & skf18("6","8","9","4","10","1","1") = "9"
    & skf18("6","8","9","4","10","2","1") = "9"
    & skf18("6","8","9","4","10","3","1") = "9"
    & skf18("6","8","9","4","10","4","1") = "9"
    & skf18("6","8","9","4","10","5","1") = "9"
    & skf18("6","8","9","4","10","6","1") = "9"
    & skf18("6","8","9","4","10","7","1") = "9"
    & skf18("6","8","9","4","10","8","1") = "9"
    & skf18("6","8","9","4","10","9","1") = "9"
    & skf18("6","8","9","4","10","10","1") = "9"
    & skf18("6","8","9","5","1","1","1") = "8"
    & skf18("6","8","9","5","1","2","1") = "8"
    & skf18("6","8","9","5","1","3","1") = "8"
    & skf18("6","8","9","5","1","4","1") = "8"
    & skf18("6","8","9","5","1","5","1") = "8"
    & skf18("6","8","9","5","1","6","1") = "8"
    & skf18("6","8","9","5","1","7","1") = "8"
    & skf18("6","8","9","5","1","8","1") = "8"
    & skf18("6","8","9","5","1","9","1") = "8"
    & skf18("6","8","9","5","1","10","1") = "9"
    & skf18("6","8","9","5","2","1","1") = "8"
    & skf18("6","8","9","5","2","2","1") = "8"
    & skf18("6","8","9","5","2","3","1") = "8"
    & skf18("6","8","9","5","2","4","1") = "8"
    & skf18("6","8","9","5","2","5","1") = "8"
    & skf18("6","8","9","5","2","6","1") = "8"
    & skf18("6","8","9","5","2","7","1") = "8"
    & skf18("6","8","9","5","2","8","1") = "8"
    & skf18("6","8","9","5","2","9","1") = "8"
    & skf18("6","8","9","5","2","10","1") = "9"
    & skf18("6","8","9","5","3","1","1") = "8"
    & skf18("6","8","9","5","3","2","1") = "8"
    & skf18("6","8","9","5","3","3","1") = "8"
    & skf18("6","8","9","5","3","4","1") = "8"
    & skf18("6","8","9","5","3","5","1") = "8"
    & skf18("6","8","9","5","3","6","1") = "8"
    & skf18("6","8","9","5","3","7","1") = "8"
    & skf18("6","8","9","5","3","8","1") = "8"
    & skf18("6","8","9","5","3","9","1") = "8"
    & skf18("6","8","9","5","3","10","1") = "9"
    & skf18("6","8","9","5","4","1","1") = "8"
    & skf18("6","8","9","5","4","2","1") = "8"
    & skf18("6","8","9","5","4","3","1") = "8"
    & skf18("6","8","9","5","4","4","1") = "8"
    & skf18("6","8","9","5","4","5","1") = "8"
    & skf18("6","8","9","5","4","6","1") = "8"
    & skf18("6","8","9","5","4","7","1") = "8"
    & skf18("6","8","9","5","4","8","1") = "8"
    & skf18("6","8","9","5","4","9","1") = "8"
    & skf18("6","8","9","5","4","10","1") = "9"
    & skf18("6","8","9","5","5","1","1") = "8"
    & skf18("6","8","9","5","5","2","1") = "8"
    & skf18("6","8","9","5","5","3","1") = "8"
    & skf18("6","8","9","5","5","4","1") = "8"
    & skf18("6","8","9","5","5","5","1") = "8"
    & skf18("6","8","9","5","5","6","1") = "8"
    & skf18("6","8","9","5","5","7","1") = "8"
    & skf18("6","8","9","5","5","8","1") = "8"
    & skf18("6","8","9","5","5","9","1") = "8"
    & skf18("6","8","9","5","5","10","1") = "9"
    & skf18("6","8","9","5","6","1","1") = "8"
    & skf18("6","8","9","5","6","2","1") = "8"
    & skf18("6","8","9","5","6","3","1") = "8"
    & skf18("6","8","9","5","6","4","1") = "8"
    & skf18("6","8","9","5","6","5","1") = "8"
    & skf18("6","8","9","5","6","6","1") = "8"
    & skf18("6","8","9","5","6","7","1") = "8"
    & skf18("6","8","9","5","6","8","1") = "8"
    & skf18("6","8","9","5","6","9","1") = "8"
    & skf18("6","8","9","5","6","10","1") = "9"
    & skf18("6","8","9","5","7","1","1") = "8"
    & skf18("6","8","9","5","7","2","1") = "8"
    & skf18("6","8","9","5","7","3","1") = "8"
    & skf18("6","8","9","5","7","4","1") = "8"
    & skf18("6","8","9","5","7","5","1") = "8"
    & skf18("6","8","9","5","7","6","1") = "8"
    & skf18("6","8","9","5","7","7","1") = "8"
    & skf18("6","8","9","5","7","8","1") = "8"
    & skf18("6","8","9","5","7","9","1") = "8"
    & skf18("6","8","9","5","7","10","1") = "9"
    & skf18("6","8","9","5","8","1","1") = "8"
    & skf18("6","8","9","5","8","2","1") = "8"
    & skf18("6","8","9","5","8","3","1") = "8"
    & skf18("6","8","9","5","8","4","1") = "8"
    & skf18("6","8","9","5","8","5","1") = "8"
    & skf18("6","8","9","5","8","6","1") = "8"
    & skf18("6","8","9","5","8","7","1") = "8"
    & skf18("6","8","9","5","8","8","1") = "8"
    & skf18("6","8","9","5","8","9","1") = "8"
    & skf18("6","8","9","5","8","10","1") = "9"
    & skf18("6","8","9","5","9","1","1") = "8"
    & skf18("6","8","9","5","9","2","1") = "8"
    & skf18("6","8","9","5","9","3","1") = "8"
    & skf18("6","8","9","5","9","4","1") = "8"
    & skf18("6","8","9","5","9","5","1") = "8"
    & skf18("6","8","9","5","9","6","1") = "8"
    & skf18("6","8","9","5","9","7","1") = "8"
    & skf18("6","8","9","5","9","8","1") = "8"
    & skf18("6","8","9","5","9","9","1") = "8"
    & skf18("6","8","9","5","9","10","1") = "9"
    & skf18("6","8","9","5","10","1","1") = "9"
    & skf18("6","8","9","5","10","2","1") = "9"
    & skf18("6","8","9","5","10","3","1") = "9"
    & skf18("6","8","9","5","10","4","1") = "9"
    & skf18("6","8","9","5","10","5","1") = "9"
    & skf18("6","8","9","5","10","6","1") = "9"
    & skf18("6","8","9","5","10","7","1") = "9"
    & skf18("6","8","9","5","10","8","1") = "9"
    & skf18("6","8","9","5","10","9","1") = "9"
    & skf18("6","8","9","5","10","10","1") = "9"
    & skf18("6","8","9","6","1","1","1") = "8"
    & skf18("6","8","9","6","1","2","1") = "8"
    & skf18("6","8","9","6","1","3","1") = "8"
    & skf18("6","8","9","6","1","4","1") = "8"
    & skf18("6","8","9","6","1","5","1") = "8"
    & skf18("6","8","9","6","1","6","1") = "8"
    & skf18("6","8","9","6","1","7","1") = "8"
    & skf18("6","8","9","6","1","8","1") = "8"
    & skf18("6","8","9","6","1","9","1") = "8"
    & skf18("6","8","9","6","1","10","1") = "9"
    & skf18("6","8","9","6","2","1","1") = "8"
    & skf18("6","8","9","6","2","2","1") = "8"
    & skf18("6","8","9","6","2","3","1") = "8"
    & skf18("6","8","9","6","2","4","1") = "8"
    & skf18("6","8","9","6","2","5","1") = "8"
    & skf18("6","8","9","6","2","6","1") = "8"
    & skf18("6","8","9","6","2","7","1") = "8"
    & skf18("6","8","9","6","2","8","1") = "8"
    & skf18("6","8","9","6","2","9","1") = "8"
    & skf18("6","8","9","6","2","10","1") = "9"
    & skf18("6","8","9","6","3","1","1") = "8"
    & skf18("6","8","9","6","3","2","1") = "8"
    & skf18("6","8","9","6","3","3","1") = "8"
    & skf18("6","8","9","6","3","4","1") = "8"
    & skf18("6","8","9","6","3","5","1") = "8"
    & skf18("6","8","9","6","3","6","1") = "8"
    & skf18("6","8","9","6","3","7","1") = "8"
    & skf18("6","8","9","6","3","8","1") = "8"
    & skf18("6","8","9","6","3","9","1") = "8"
    & skf18("6","8","9","6","3","10","1") = "9"
    & skf18("6","8","9","6","4","1","1") = "8"
    & skf18("6","8","9","6","4","2","1") = "8"
    & skf18("6","8","9","6","4","3","1") = "8"
    & skf18("6","8","9","6","4","4","1") = "8"
    & skf18("6","8","9","6","4","5","1") = "8"
    & skf18("6","8","9","6","4","6","1") = "8"
    & skf18("6","8","9","6","4","7","1") = "8"
    & skf18("6","8","9","6","4","8","1") = "8"
    & skf18("6","8","9","6","4","9","1") = "8"
    & skf18("6","8","9","6","4","10","1") = "9"
    & skf18("6","8","9","6","5","1","1") = "8"
    & skf18("6","8","9","6","5","2","1") = "8"
    & skf18("6","8","9","6","5","3","1") = "8"
    & skf18("6","8","9","6","5","4","1") = "8"
    & skf18("6","8","9","6","5","5","1") = "8"
    & skf18("6","8","9","6","5","6","1") = "8"
    & skf18("6","8","9","6","5","7","1") = "8"
    & skf18("6","8","9","6","5","8","1") = "8"
    & skf18("6","8","9","6","5","9","1") = "8"
    & skf18("6","8","9","6","5","10","1") = "9"
    & skf18("6","8","9","6","6","1","1") = "8"
    & skf18("6","8","9","6","6","2","1") = "8"
    & skf18("6","8","9","6","6","3","1") = "8"
    & skf18("6","8","9","6","6","4","1") = "8"
    & skf18("6","8","9","6","6","5","1") = "8"
    & skf18("6","8","9","6","6","6","1") = "8"
    & skf18("6","8","9","6","6","7","1") = "8"
    & skf18("6","8","9","6","6","8","1") = "8"
    & skf18("6","8","9","6","6","9","1") = "8"
    & skf18("6","8","9","6","6","10","1") = "9"
    & skf18("6","8","9","6","7","1","1") = "8"
    & skf18("6","8","9","6","7","2","1") = "8"
    & skf18("6","8","9","6","7","3","1") = "8"
    & skf18("6","8","9","6","7","4","1") = "8"
    & skf18("6","8","9","6","7","5","1") = "8"
    & skf18("6","8","9","6","7","6","1") = "8"
    & skf18("6","8","9","6","7","7","1") = "8"
    & skf18("6","8","9","6","7","8","1") = "8"
    & skf18("6","8","9","6","7","9","1") = "8"
    & skf18("6","8","9","6","7","10","1") = "9"
    & skf18("6","8","9","6","8","1","1") = "8"
    & skf18("6","8","9","6","8","2","1") = "8"
    & skf18("6","8","9","6","8","3","1") = "8"
    & skf18("6","8","9","6","8","4","1") = "8"
    & skf18("6","8","9","6","8","5","1") = "8"
    & skf18("6","8","9","6","8","6","1") = "8"
    & skf18("6","8","9","6","8","7","1") = "8"
    & skf18("6","8","9","6","8","8","1") = "8"
    & skf18("6","8","9","6","8","9","1") = "8"
    & skf18("6","8","9","6","8","10","1") = "9"
    & skf18("6","8","9","6","9","1","1") = "8"
    & skf18("6","8","9","6","9","2","1") = "8"
    & skf18("6","8","9","6","9","3","1") = "8"
    & skf18("6","8","9","6","9","4","1") = "8"
    & skf18("6","8","9","6","9","5","1") = "8"
    & skf18("6","8","9","6","9","6","1") = "8"
    & skf18("6","8","9","6","9","7","1") = "8"
    & skf18("6","8","9","6","9","8","1") = "8"
    & skf18("6","8","9","6","9","9","1") = "8"
    & skf18("6","8","9","6","9","10","1") = "9"
    & skf18("6","8","9","6","10","1","1") = "9"
    & skf18("6","8","9","6","10","2","1") = "9"
    & skf18("6","8","9","6","10","3","1") = "9"
    & skf18("6","8","9","6","10","4","1") = "9"
    & skf18("6","8","9","6","10","5","1") = "9"
    & skf18("6","8","9","6","10","6","1") = "9"
    & skf18("6","8","9","6","10","7","1") = "9"
    & skf18("6","8","9","6","10","8","1") = "9"
    & skf18("6","8","9","6","10","9","1") = "9"
    & skf18("6","8","9","6","10","10","1") = "9"
    & skf18("6","8","9","7","1","1","1") = "8"
    & skf18("6","8","9","7","1","2","1") = "8"
    & skf18("6","8","9","7","1","3","1") = "8"
    & skf18("6","8","9","7","1","4","1") = "8"
    & skf18("6","8","9","7","1","5","1") = "8"
    & skf18("6","8","9","7","1","6","1") = "8"
    & skf18("6","8","9","7","1","7","1") = "8"
    & skf18("6","8","9","7","1","8","1") = "8"
    & skf18("6","8","9","7","1","9","1") = "8"
    & skf18("6","8","9","7","1","10","1") = "9"
    & skf18("6","8","9","7","2","1","1") = "8"
    & skf18("6","8","9","7","2","2","1") = "8"
    & skf18("6","8","9","7","2","3","1") = "8"
    & skf18("6","8","9","7","2","4","1") = "8"
    & skf18("6","8","9","7","2","5","1") = "8"
    & skf18("6","8","9","7","2","6","1") = "8"
    & skf18("6","8","9","7","2","7","1") = "8"
    & skf18("6","8","9","7","2","8","1") = "8"
    & skf18("6","8","9","7","2","9","1") = "8"
    & skf18("6","8","9","7","2","10","1") = "9"
    & skf18("6","8","9","7","3","1","1") = "8"
    & skf18("6","8","9","7","3","2","1") = "8"
    & skf18("6","8","9","7","3","3","1") = "8"
    & skf18("6","8","9","7","3","4","1") = "8"
    & skf18("6","8","9","7","3","5","1") = "8"
    & skf18("6","8","9","7","3","6","1") = "8"
    & skf18("6","8","9","7","3","7","1") = "8"
    & skf18("6","8","9","7","3","8","1") = "8"
    & skf18("6","8","9","7","3","9","1") = "8"
    & skf18("6","8","9","7","3","10","1") = "9"
    & skf18("6","8","9","7","4","1","1") = "8"
    & skf18("6","8","9","7","4","2","1") = "8"
    & skf18("6","8","9","7","4","3","1") = "8"
    & skf18("6","8","9","7","4","4","1") = "8"
    & skf18("6","8","9","7","4","5","1") = "8"
    & skf18("6","8","9","7","4","6","1") = "8"
    & skf18("6","8","9","7","4","7","1") = "8"
    & skf18("6","8","9","7","4","8","1") = "8"
    & skf18("6","8","9","7","4","9","1") = "8"
    & skf18("6","8","9","7","4","10","1") = "9"
    & skf18("6","8","9","7","5","1","1") = "8"
    & skf18("6","8","9","7","5","2","1") = "8"
    & skf18("6","8","9","7","5","3","1") = "8"
    & skf18("6","8","9","7","5","4","1") = "8"
    & skf18("6","8","9","7","5","5","1") = "8"
    & skf18("6","8","9","7","5","6","1") = "8"
    & skf18("6","8","9","7","5","7","1") = "8"
    & skf18("6","8","9","7","5","8","1") = "8"
    & skf18("6","8","9","7","5","9","1") = "8"
    & skf18("6","8","9","7","5","10","1") = "9"
    & skf18("6","8","9","7","6","1","1") = "8"
    & skf18("6","8","9","7","6","2","1") = "8"
    & skf18("6","8","9","7","6","3","1") = "8"
    & skf18("6","8","9","7","6","4","1") = "8"
    & skf18("6","8","9","7","6","5","1") = "8"
    & skf18("6","8","9","7","6","6","1") = "8"
    & skf18("6","8","9","7","6","7","1") = "8"
    & skf18("6","8","9","7","6","8","1") = "8"
    & skf18("6","8","9","7","6","9","1") = "8"
    & skf18("6","8","9","7","6","10","1") = "9"
    & skf18("6","8","9","7","7","1","1") = "8"
    & skf18("6","8","9","7","7","2","1") = "8"
    & skf18("6","8","9","7","7","3","1") = "8"
    & skf18("6","8","9","7","7","4","1") = "8"
    & skf18("6","8","9","7","7","5","1") = "8"
    & skf18("6","8","9","7","7","6","1") = "8"
    & skf18("6","8","9","7","7","7","1") = "8"
    & skf18("6","8","9","7","7","8","1") = "8"
    & skf18("6","8","9","7","7","9","1") = "8"
    & skf18("6","8","9","7","7","10","1") = "9"
    & skf18("6","8","9","7","8","1","1") = "8"
    & skf18("6","8","9","7","8","2","1") = "8"
    & skf18("6","8","9","7","8","3","1") = "8"
    & skf18("6","8","9","7","8","4","1") = "8"
    & skf18("6","8","9","7","8","5","1") = "8"
    & skf18("6","8","9","7","8","6","1") = "8"
    & skf18("6","8","9","7","8","7","1") = "8"
    & skf18("6","8","9","7","8","8","1") = "8"
    & skf18("6","8","9","7","8","9","1") = "8"
    & skf18("6","8","9","7","8","10","1") = "9"
    & skf18("6","8","9","7","9","1","1") = "8"
    & skf18("6","8","9","7","9","2","1") = "8"
    & skf18("6","8","9","7","9","3","1") = "8"
    & skf18("6","8","9","7","9","4","1") = "8"
    & skf18("6","8","9","7","9","5","1") = "8"
    & skf18("6","8","9","7","9","6","1") = "8"
    & skf18("6","8","9","7","9","7","1") = "8"
    & skf18("6","8","9","7","9","8","1") = "8"
    & skf18("6","8","9","7","9","9","1") = "8"
    & skf18("6","8","9","7","9","10","1") = "9"
    & skf18("6","8","9","7","10","1","1") = "9"
    & skf18("6","8","9","7","10","2","1") = "9"
    & skf18("6","8","9","7","10","3","1") = "9"
    & skf18("6","8","9","7","10","4","1") = "9"
    & skf18("6","8","9","7","10","5","1") = "9"
    & skf18("6","8","9","7","10","6","1") = "9"
    & skf18("6","8","9","7","10","7","1") = "9"
    & skf18("6","8","9","7","10","8","1") = "9"
    & skf18("6","8","9","7","10","9","1") = "9"
    & skf18("6","8","9","7","10","10","1") = "9"
    & skf18("6","8","9","8","1","1","1") = "8"
    & skf18("6","8","9","8","1","2","1") = "8"
    & skf18("6","8","9","8","1","3","1") = "8"
    & skf18("6","8","9","8","1","4","1") = "8"
    & skf18("6","8","9","8","1","5","1") = "8"
    & skf18("6","8","9","8","1","6","1") = "8"
    & skf18("6","8","9","8","1","7","1") = "8"
    & skf18("6","8","9","8","1","8","1") = "8"
    & skf18("6","8","9","8","1","9","1") = "8"
    & skf18("6","8","9","8","1","10","1") = "9"
    & skf18("6","8","9","8","2","1","1") = "8"
    & skf18("6","8","9","8","2","2","1") = "8"
    & skf18("6","8","9","8","2","3","1") = "8"
    & skf18("6","8","9","8","2","4","1") = "8"
    & skf18("6","8","9","8","2","5","1") = "8"
    & skf18("6","8","9","8","2","6","1") = "8"
    & skf18("6","8","9","8","2","7","1") = "8"
    & skf18("6","8","9","8","2","8","1") = "8"
    & skf18("6","8","9","8","2","9","1") = "8"
    & skf18("6","8","9","8","2","10","1") = "9"
    & skf18("6","8","9","8","3","1","1") = "8"
    & skf18("6","8","9","8","3","2","1") = "8"
    & skf18("6","8","9","8","3","3","1") = "8"
    & skf18("6","8","9","8","3","4","1") = "8"
    & skf18("6","8","9","8","3","5","1") = "8"
    & skf18("6","8","9","8","3","6","1") = "8"
    & skf18("6","8","9","8","3","7","1") = "8"
    & skf18("6","8","9","8","3","8","1") = "8"
    & skf18("6","8","9","8","3","9","1") = "8"
    & skf18("6","8","9","8","3","10","1") = "9"
    & skf18("6","8","9","8","4","1","1") = "8"
    & skf18("6","8","9","8","4","2","1") = "8"
    & skf18("6","8","9","8","4","3","1") = "8"
    & skf18("6","8","9","8","4","4","1") = "8"
    & skf18("6","8","9","8","4","5","1") = "8"
    & skf18("6","8","9","8","4","6","1") = "8"
    & skf18("6","8","9","8","4","7","1") = "8"
    & skf18("6","8","9","8","4","8","1") = "8"
    & skf18("6","8","9","8","4","9","1") = "8"
    & skf18("6","8","9","8","4","10","1") = "9"
    & skf18("6","8","9","8","5","1","1") = "8"
    & skf18("6","8","9","8","5","2","1") = "8"
    & skf18("6","8","9","8","5","3","1") = "8"
    & skf18("6","8","9","8","5","4","1") = "8"
    & skf18("6","8","9","8","5","5","1") = "8"
    & skf18("6","8","9","8","5","6","1") = "8"
    & skf18("6","8","9","8","5","7","1") = "8"
    & skf18("6","8","9","8","5","8","1") = "8"
    & skf18("6","8","9","8","5","9","1") = "8"
    & skf18("6","8","9","8","5","10","1") = "9"
    & skf18("6","8","9","8","6","1","1") = "8"
    & skf18("6","8","9","8","6","2","1") = "8"
    & skf18("6","8","9","8","6","3","1") = "8"
    & skf18("6","8","9","8","6","4","1") = "8"
    & skf18("6","8","9","8","6","5","1") = "8"
    & skf18("6","8","9","8","6","6","1") = "8"
    & skf18("6","8","9","8","6","7","1") = "8"
    & skf18("6","8","9","8","6","8","1") = "8"
    & skf18("6","8","9","8","6","9","1") = "8"
    & skf18("6","8","9","8","6","10","1") = "9"
    & skf18("6","8","9","8","7","1","1") = "8"
    & skf18("6","8","9","8","7","2","1") = "8"
    & skf18("6","8","9","8","7","3","1") = "8"
    & skf18("6","8","9","8","7","4","1") = "8"
    & skf18("6","8","9","8","7","5","1") = "8"
    & skf18("6","8","9","8","7","6","1") = "8"
    & skf18("6","8","9","8","7","7","1") = "8"
    & skf18("6","8","9","8","7","8","1") = "8"
    & skf18("6","8","9","8","7","9","1") = "8"
    & skf18("6","8","9","8","7","10","1") = "9"
    & skf18("6","8","9","8","8","1","1") = "8"
    & skf18("6","8","9","8","8","2","1") = "8"
    & skf18("6","8","9","8","8","3","1") = "8"
    & skf18("6","8","9","8","8","4","1") = "8"
    & skf18("6","8","9","8","8","5","1") = "8"
    & skf18("6","8","9","8","8","6","1") = "8"
    & skf18("6","8","9","8","8","7","1") = "8"
    & skf18("6","8","9","8","8","8","1") = "8"
    & skf18("6","8","9","8","8","9","1") = "8"
    & skf18("6","8","9","8","8","10","1") = "9"
    & skf18("6","8","9","8","9","1","1") = "8"
    & skf18("6","8","9","8","9","2","1") = "8"
    & skf18("6","8","9","8","9","3","1") = "8"
    & skf18("6","8","9","8","9","4","1") = "8"
    & skf18("6","8","9","8","9","5","1") = "8"
    & skf18("6","8","9","8","9","6","1") = "8"
    & skf18("6","8","9","8","9","7","1") = "8"
    & skf18("6","8","9","8","9","8","1") = "8"
    & skf18("6","8","9","8","9","9","1") = "8"
    & skf18("6","8","9","8","9","10","1") = "9"
    & skf18("6","8","9","8","10","1","1") = "9"
    & skf18("6","8","9","8","10","2","1") = "9"
    & skf18("6","8","9","8","10","3","1") = "9"
    & skf18("6","8","9","8","10","4","1") = "9"
    & skf18("6","8","9","8","10","5","1") = "9"
    & skf18("6","8","9","8","10","6","1") = "9"
    & skf18("6","8","9","8","10","7","1") = "9"
    & skf18("6","8","9","8","10","8","1") = "9"
    & skf18("6","8","9","8","10","9","1") = "9"
    & skf18("6","8","9","8","10","10","1") = "9"
    & skf18("6","8","9","9","1","1","1") = "8"
    & skf18("6","8","9","9","1","2","1") = "8"
    & skf18("6","8","9","9","1","3","1") = "8"
    & skf18("6","8","9","9","1","4","1") = "8"
    & skf18("6","8","9","9","1","5","1") = "8"
    & skf18("6","8","9","9","1","6","1") = "8"
    & skf18("6","8","9","9","1","7","1") = "8"
    & skf18("6","8","9","9","1","8","1") = "8"
    & skf18("6","8","9","9","1","9","1") = "8"
    & skf18("6","8","9","9","1","10","1") = "9"
    & skf18("6","8","9","9","2","1","1") = "8"
    & skf18("6","8","9","9","2","2","1") = "8"
    & skf18("6","8","9","9","2","3","1") = "8"
    & skf18("6","8","9","9","2","4","1") = "8"
    & skf18("6","8","9","9","2","5","1") = "8"
    & skf18("6","8","9","9","2","6","1") = "8"
    & skf18("6","8","9","9","2","7","1") = "8"
    & skf18("6","8","9","9","2","8","1") = "8"
    & skf18("6","8","9","9","2","9","1") = "8"
    & skf18("6","8","9","9","2","10","1") = "9"
    & skf18("6","8","9","9","3","1","1") = "8"
    & skf18("6","8","9","9","3","2","1") = "8"
    & skf18("6","8","9","9","3","3","1") = "8"
    & skf18("6","8","9","9","3","4","1") = "8"
    & skf18("6","8","9","9","3","5","1") = "8"
    & skf18("6","8","9","9","3","6","1") = "8"
    & skf18("6","8","9","9","3","7","1") = "8"
    & skf18("6","8","9","9","3","8","1") = "8"
    & skf18("6","8","9","9","3","9","1") = "8"
    & skf18("6","8","9","9","3","10","1") = "9"
    & skf18("6","8","9","9","4","1","1") = "8"
    & skf18("6","8","9","9","4","2","1") = "8"
    & skf18("6","8","9","9","4","3","1") = "8"
    & skf18("6","8","9","9","4","4","1") = "8"
    & skf18("6","8","9","9","4","5","1") = "8"
    & skf18("6","8","9","9","4","6","1") = "8"
    & skf18("6","8","9","9","4","7","1") = "8"
    & skf18("6","8","9","9","4","8","1") = "8"
    & skf18("6","8","9","9","4","9","1") = "8"
    & skf18("6","8","9","9","4","10","1") = "9"
    & skf18("6","8","9","9","5","1","1") = "8"
    & skf18("6","8","9","9","5","2","1") = "8"
    & skf18("6","8","9","9","5","3","1") = "8"
    & skf18("6","8","9","9","5","4","1") = "8"
    & skf18("6","8","9","9","5","5","1") = "8"
    & skf18("6","8","9","9","5","6","1") = "8"
    & skf18("6","8","9","9","5","7","1") = "8"
    & skf18("6","8","9","9","5","8","1") = "8"
    & skf18("6","8","9","9","5","9","1") = "8"
    & skf18("6","8","9","9","5","10","1") = "9"
    & skf18("6","8","9","9","6","1","1") = "8"
    & skf18("6","8","9","9","6","2","1") = "8"
    & skf18("6","8","9","9","6","3","1") = "8"
    & skf18("6","8","9","9","6","4","1") = "8"
    & skf18("6","8","9","9","6","5","1") = "8"
    & skf18("6","8","9","9","6","6","1") = "8"
    & skf18("6","8","9","9","6","7","1") = "8"
    & skf18("6","8","9","9","6","8","1") = "8"
    & skf18("6","8","9","9","6","9","1") = "8"
    & skf18("6","8","9","9","6","10","1") = "9"
    & skf18("6","8","9","9","7","1","1") = "8"
    & skf18("6","8","9","9","7","2","1") = "8"
    & skf18("6","8","9","9","7","3","1") = "8"
    & skf18("6","8","9","9","7","4","1") = "8"
    & skf18("6","8","9","9","7","5","1") = "8"
    & skf18("6","8","9","9","7","6","1") = "8"
    & skf18("6","8","9","9","7","7","1") = "8"
    & skf18("6","8","9","9","7","8","1") = "8"
    & skf18("6","8","9","9","7","9","1") = "8"
    & skf18("6","8","9","9","7","10","1") = "9"
    & skf18("6","8","9","9","8","1","1") = "8"
    & skf18("6","8","9","9","8","2","1") = "8"
    & skf18("6","8","9","9","8","3","1") = "8"
    & skf18("6","8","9","9","8","4","1") = "8"
    & skf18("6","8","9","9","8","5","1") = "8"
    & skf18("6","8","9","9","8","6","1") = "8"
    & skf18("6","8","9","9","8","7","1") = "8"
    & skf18("6","8","9","9","8","8","1") = "8"
    & skf18("6","8","9","9","8","9","1") = "8"
    & skf18("6","8","9","9","8","10","1") = "9"
    & skf18("6","8","9","9","9","1","1") = "8"
    & skf18("6","8","9","9","9","2","1") = "8"
    & skf18("6","8","9","9","9","3","1") = "8"
    & skf18("6","8","9","9","9","4","1") = "8"
    & skf18("6","8","9","9","9","5","1") = "8"
    & skf18("6","8","9","9","9","6","1") = "8"
    & skf18("6","8","9","9","9","7","1") = "8"
    & skf18("6","8","9","9","9","8","1") = "8"
    & skf18("6","8","9","9","9","9","1") = "8"
    & skf18("6","8","9","9","9","10","1") = "9"
    & skf18("6","8","9","9","10","1","1") = "9"
    & skf18("6","8","9","9","10","2","1") = "9"
    & skf18("6","8","9","9","10","3","1") = "9"
    & skf18("6","8","9","9","10","4","1") = "9"
    & skf18("6","8","9","9","10","5","1") = "9"
    & skf18("6","8","9","9","10","6","1") = "9"
    & skf18("6","8","9","9","10","7","1") = "9"
    & skf18("6","8","9","9","10","8","1") = "9"
    & skf18("6","8","9","9","10","9","1") = "9"
    & skf18("6","8","9","9","10","10","1") = "9"
    & skf18("6","8","9","10","1","1","1") = "9"
    & skf18("6","8","9","10","1","2","1") = "9"
    & skf18("6","8","9","10","1","3","1") = "9"
    & skf18("6","8","9","10","1","4","1") = "9"
    & skf18("6","8","9","10","1","5","1") = "9"
    & skf18("6","8","9","10","1","6","1") = "9"
    & skf18("6","8","9","10","1","7","1") = "9"
    & skf18("6","8","9","10","1","8","1") = "9"
    & skf18("6","8","9","10","1","9","1") = "9"
    & skf18("6","8","9","10","1","10","1") = "9"
    & skf18("6","8","9","10","2","1","1") = "9"
    & skf18("6","8","9","10","2","2","1") = "9"
    & skf18("6","8","9","10","2","3","1") = "9"
    & skf18("6","8","9","10","2","4","1") = "9"
    & skf18("6","8","9","10","2","5","1") = "9"
    & skf18("6","8","9","10","2","6","1") = "9"
    & skf18("6","8","9","10","2","7","1") = "9"
    & skf18("6","8","9","10","2","8","1") = "9"
    & skf18("6","8","9","10","2","9","1") = "9"
    & skf18("6","8","9","10","2","10","1") = "9"
    & skf18("6","8","9","10","3","1","1") = "9"
    & skf18("6","8","9","10","3","2","1") = "9"
    & skf18("6","8","9","10","3","3","1") = "9"
    & skf18("6","8","9","10","3","4","1") = "9"
    & skf18("6","8","9","10","3","5","1") = "9"
    & skf18("6","8","9","10","3","6","1") = "9"
    & skf18("6","8","9","10","3","7","1") = "9"
    & skf18("6","8","9","10","3","8","1") = "9"
    & skf18("6","8","9","10","3","9","1") = "9"
    & skf18("6","8","9","10","3","10","1") = "9"
    & skf18("6","8","9","10","4","1","1") = "9"
    & skf18("6","8","9","10","4","2","1") = "9"
    & skf18("6","8","9","10","4","3","1") = "9"
    & skf18("6","8","9","10","4","4","1") = "9"
    & skf18("6","8","9","10","4","5","1") = "9"
    & skf18("6","8","9","10","4","6","1") = "9"
    & skf18("6","8","9","10","4","7","1") = "9"
    & skf18("6","8","9","10","4","8","1") = "9"
    & skf18("6","8","9","10","4","9","1") = "9"
    & skf18("6","8","9","10","4","10","1") = "9"
    & skf18("6","8","9","10","5","1","1") = "9"
    & skf18("6","8","9","10","5","2","1") = "9"
    & skf18("6","8","9","10","5","3","1") = "9"
    & skf18("6","8","9","10","5","4","1") = "9"
    & skf18("6","8","9","10","5","5","1") = "9"
    & skf18("6","8","9","10","5","6","1") = "9"
    & skf18("6","8","9","10","5","7","1") = "9"
    & skf18("6","8","9","10","5","8","1") = "9"
    & skf18("6","8","9","10","5","9","1") = "9"
    & skf18("6","8","9","10","5","10","1") = "9"
    & skf18("6","8","9","10","6","1","1") = "9"
    & skf18("6","8","9","10","6","2","1") = "9"
    & skf18("6","8","9","10","6","3","1") = "9"
    & skf18("6","8","9","10","6","4","1") = "9"
    & skf18("6","8","9","10","6","5","1") = "9"
    & skf18("6","8","9","10","6","6","1") = "9"
    & skf18("6","8","9","10","6","7","1") = "9"
    & skf18("6","8","9","10","6","8","1") = "9"
    & skf18("6","8","9","10","6","9","1") = "9"
    & skf18("6","8","9","10","6","10","1") = "9"
    & skf18("6","8","9","10","7","1","1") = "9"
    & skf18("6","8","9","10","7","2","1") = "9"
    & skf18("6","8","9","10","7","3","1") = "9"
    & skf18("6","8","9","10","7","4","1") = "9"
    & skf18("6","8","9","10","7","5","1") = "9"
    & skf18("6","8","9","10","7","6","1") = "9"
    & skf18("6","8","9","10","7","7","1") = "9"
    & skf18("6","8","9","10","7","8","1") = "9"
    & skf18("6","8","9","10","7","9","1") = "9"
    & skf18("6","8","9","10","7","10","1") = "9"
    & skf18("6","8","9","10","8","1","1") = "9"
    & skf18("6","8","9","10","8","2","1") = "9"
    & skf18("6","8","9","10","8","3","1") = "9"
    & skf18("6","8","9","10","8","4","1") = "9"
    & skf18("6","8","9","10","8","5","1") = "9"
    & skf18("6","8","9","10","8","6","1") = "9"
    & skf18("6","8","9","10","8","7","1") = "9"
    & skf18("6","8","9","10","8","8","1") = "9"
    & skf18("6","8","9","10","8","9","1") = "9"
    & skf18("6","8","9","10","8","10","1") = "9"
    & skf18("6","8","9","10","9","1","1") = "9"
    & skf18("6","8","9","10","9","2","1") = "9"
    & skf18("6","8","9","10","9","3","1") = "9"
    & skf18("6","8","9","10","9","4","1") = "9"
    & skf18("6","8","9","10","9","5","1") = "9"
    & skf18("6","8","9","10","9","6","1") = "9"
    & skf18("6","8","9","10","9","7","1") = "9"
    & skf18("6","8","9","10","9","8","1") = "9"
    & skf18("6","8","9","10","9","9","1") = "9"
    & skf18("6","8","9","10","9","10","1") = "9"
    & skf18("6","8","9","10","10","1","1") = "9"
    & skf18("6","8","9","10","10","2","1") = "9"
    & skf18("6","8","9","10","10","3","1") = "9"
    & skf18("6","8","9","10","10","4","1") = "9"
    & skf18("6","8","9","10","10","5","1") = "9"
    & skf18("6","8","9","10","10","6","1") = "9"
    & skf18("6","8","9","10","10","7","1") = "9"
    & skf18("6","8","9","10","10","8","1") = "9"
    & skf18("6","8","9","10","10","9","1") = "9"
    & skf18("6","8","9","10","10","10","1") = "9"
    & skf18("6","8","10","1","1","1","1") = "9"
    & skf18("6","8","10","1","1","2","1") = "9"
    & skf18("6","8","10","1","1","3","1") = "9"
    & skf18("6","8","10","1","1","4","1") = "9"
    & skf18("6","8","10","1","1","5","1") = "9"
    & skf18("6","8","10","1","1","6","1") = "9"
    & skf18("6","8","10","1","1","7","1") = "9"
    & skf18("6","8","10","1","1","8","1") = "9"
    & skf18("6","8","10","1","1","9","1") = "9"
    & skf18("6","8","10","1","1","10","1") = "9"
    & skf18("6","8","10","1","2","1","1") = "9"
    & skf18("6","8","10","1","2","2","1") = "9"
    & skf18("6","8","10","1","2","3","1") = "9"
    & skf18("6","8","10","1","2","4","1") = "9"
    & skf18("6","8","10","1","2","5","1") = "9"
    & skf18("6","8","10","1","2","6","1") = "9"
    & skf18("6","8","10","1","2","7","1") = "9"
    & skf18("6","8","10","1","2","8","1") = "9"
    & skf18("6","8","10","1","2","9","1") = "9"
    & skf18("6","8","10","1","2","10","1") = "9"
    & skf18("6","8","10","1","3","1","1") = "9"
    & skf18("6","8","10","1","3","2","1") = "9"
    & skf18("6","8","10","1","3","3","1") = "9"
    & skf18("6","8","10","1","3","4","1") = "9"
    & skf18("6","8","10","1","3","5","1") = "9"
    & skf18("6","8","10","1","3","6","1") = "9"
    & skf18("6","8","10","1","3","7","1") = "9"
    & skf18("6","8","10","1","3","8","1") = "9"
    & skf18("6","8","10","1","3","9","1") = "9"
    & skf18("6","8","10","1","3","10","1") = "9"
    & skf18("6","8","10","1","4","1","1") = "9"
    & skf18("6","8","10","1","4","2","1") = "9"
    & skf18("6","8","10","1","4","3","1") = "9"
    & skf18("6","8","10","1","4","4","1") = "9"
    & skf18("6","8","10","1","4","5","1") = "9"
    & skf18("6","8","10","1","4","6","1") = "9"
    & skf18("6","8","10","1","4","7","1") = "9"
    & skf18("6","8","10","1","4","8","1") = "9"
    & skf18("6","8","10","1","4","9","1") = "9"
    & skf18("6","8","10","1","4","10","1") = "9"
    & skf18("6","8","10","1","5","1","1") = "9"
    & skf18("6","8","10","1","5","2","1") = "9"
    & skf18("6","8","10","1","5","3","1") = "9"
    & skf18("6","8","10","1","5","4","1") = "9"
    & skf18("6","8","10","1","5","5","1") = "9"
    & skf18("6","8","10","1","5","6","1") = "9"
    & skf18("6","8","10","1","5","7","1") = "9"
    & skf18("6","8","10","1","5","8","1") = "9"
    & skf18("6","8","10","1","5","9","1") = "9"
    & skf18("6","8","10","1","5","10","1") = "9"
    & skf18("6","8","10","1","6","1","1") = "9"
    & skf18("6","8","10","1","6","2","1") = "9"
    & skf18("6","8","10","1","6","3","1") = "9"
    & skf18("6","8","10","1","6","4","1") = "9"
    & skf18("6","8","10","1","6","5","1") = "9"
    & skf18("6","8","10","1","6","6","1") = "9"
    & skf18("6","8","10","1","6","7","1") = "9"
    & skf18("6","8","10","1","6","8","1") = "9"
    & skf18("6","8","10","1","6","9","1") = "9"
    & skf18("6","8","10","1","6","10","1") = "9"
    & skf18("6","8","10","1","7","1","1") = "9"
    & skf18("6","8","10","1","7","2","1") = "9"
    & skf18("6","8","10","1","7","3","1") = "9"
    & skf18("6","8","10","1","7","4","1") = "9"
    & skf18("6","8","10","1","7","5","1") = "9"
    & skf18("6","8","10","1","7","6","1") = "9"
    & skf18("6","8","10","1","7","7","1") = "9"
    & skf18("6","8","10","1","7","8","1") = "9"
    & skf18("6","8","10","1","7","9","1") = "9"
    & skf18("6","8","10","1","7","10","1") = "9"
    & skf18("6","8","10","1","8","1","1") = "9"
    & skf18("6","8","10","1","8","2","1") = "9"
    & skf18("6","8","10","1","8","3","1") = "9"
    & skf18("6","8","10","1","8","4","1") = "9"
    & skf18("6","8","10","1","8","5","1") = "9"
    & skf18("6","8","10","1","8","6","1") = "9"
    & skf18("6","8","10","1","8","7","1") = "9"
    & skf18("6","8","10","1","8","8","1") = "9"
    & skf18("6","8","10","1","8","9","1") = "9"
    & skf18("6","8","10","1","8","10","1") = "9"
    & skf18("6","8","10","1","9","1","1") = "9"
    & skf18("6","8","10","1","9","2","1") = "9"
    & skf18("6","8","10","1","9","3","1") = "9"
    & skf18("6","8","10","1","9","4","1") = "9"
    & skf18("6","8","10","1","9","5","1") = "9"
    & skf18("6","8","10","1","9","6","1") = "9"
    & skf18("6","8","10","1","9","7","1") = "9"
    & skf18("6","8","10","1","9","8","1") = "9"
    & skf18("6","8","10","1","9","9","1") = "9"
    & skf18("6","8","10","1","9","10","1") = "9"
    & skf18("6","8","10","1","10","1","1") = "9"
    & skf18("6","8","10","1","10","2","1") = "9"
    & skf18("6","8","10","1","10","3","1") = "9"
    & skf18("6","8","10","1","10","4","1") = "9"
    & skf18("6","8","10","1","10","5","1") = "9"
    & skf18("6","8","10","1","10","6","1") = "9"
    & skf18("6","8","10","1","10","7","1") = "9"
    & skf18("6","8","10","1","10","8","1") = "9"
    & skf18("6","8","10","1","10","9","1") = "9"
    & skf18("6","8","10","1","10","10","1") = "9"
    & skf18("6","8","10","2","1","1","1") = "9"
    & skf18("6","8","10","2","1","2","1") = "9"
    & skf18("6","8","10","2","1","3","1") = "9"
    & skf18("6","8","10","2","1","4","1") = "9"
    & skf18("6","8","10","2","1","5","1") = "9"
    & skf18("6","8","10","2","1","6","1") = "9"
    & skf18("6","8","10","2","1","7","1") = "9"
    & skf18("6","8","10","2","1","8","1") = "9"
    & skf18("6","8","10","2","1","9","1") = "9"
    & skf18("6","8","10","2","1","10","1") = "9"
    & skf18("6","8","10","2","2","1","1") = "9"
    & skf18("6","8","10","2","2","2","1") = "9"
    & skf18("6","8","10","2","2","3","1") = "9"
    & skf18("6","8","10","2","2","4","1") = "9"
    & skf18("6","8","10","2","2","5","1") = "9"
    & skf18("6","8","10","2","2","6","1") = "9"
    & skf18("6","8","10","2","2","7","1") = "9"
    & skf18("6","8","10","2","2","8","1") = "9"
    & skf18("6","8","10","2","2","9","1") = "9"
    & skf18("6","8","10","2","2","10","1") = "9"
    & skf18("6","8","10","2","3","1","1") = "9"
    & skf18("6","8","10","2","3","2","1") = "9"
    & skf18("6","8","10","2","3","3","1") = "9"
    & skf18("6","8","10","2","3","4","1") = "9"
    & skf18("6","8","10","2","3","5","1") = "9"
    & skf18("6","8","10","2","3","6","1") = "9"
    & skf18("6","8","10","2","3","7","1") = "9"
    & skf18("6","8","10","2","3","8","1") = "9"
    & skf18("6","8","10","2","3","9","1") = "9"
    & skf18("6","8","10","2","3","10","1") = "9"
    & skf18("6","8","10","2","4","1","1") = "9"
    & skf18("6","8","10","2","4","2","1") = "9"
    & skf18("6","8","10","2","4","3","1") = "9"
    & skf18("6","8","10","2","4","4","1") = "9"
    & skf18("6","8","10","2","4","5","1") = "9"
    & skf18("6","8","10","2","4","6","1") = "9"
    & skf18("6","8","10","2","4","7","1") = "9"
    & skf18("6","8","10","2","4","8","1") = "9"
    & skf18("6","8","10","2","4","9","1") = "9"
    & skf18("6","8","10","2","4","10","1") = "9"
    & skf18("6","8","10","2","5","1","1") = "9"
    & skf18("6","8","10","2","5","2","1") = "9"
    & skf18("6","8","10","2","5","3","1") = "9"
    & skf18("6","8","10","2","5","4","1") = "9"
    & skf18("6","8","10","2","5","5","1") = "9"
    & skf18("6","8","10","2","5","6","1") = "9"
    & skf18("6","8","10","2","5","7","1") = "9"
    & skf18("6","8","10","2","5","8","1") = "9"
    & skf18("6","8","10","2","5","9","1") = "9"
    & skf18("6","8","10","2","5","10","1") = "9"
    & skf18("6","8","10","2","6","1","1") = "9"
    & skf18("6","8","10","2","6","2","1") = "9"
    & skf18("6","8","10","2","6","3","1") = "9"
    & skf18("6","8","10","2","6","4","1") = "9"
    & skf18("6","8","10","2","6","5","1") = "9"
    & skf18("6","8","10","2","6","6","1") = "9"
    & skf18("6","8","10","2","6","7","1") = "9"
    & skf18("6","8","10","2","6","8","1") = "9"
    & skf18("6","8","10","2","6","9","1") = "9"
    & skf18("6","8","10","2","6","10","1") = "9"
    & skf18("6","8","10","2","7","1","1") = "9"
    & skf18("6","8","10","2","7","2","1") = "9"
    & skf18("6","8","10","2","7","3","1") = "9"
    & skf18("6","8","10","2","7","4","1") = "9"
    & skf18("6","8","10","2","7","5","1") = "9"
    & skf18("6","8","10","2","7","6","1") = "9"
    & skf18("6","8","10","2","7","7","1") = "9"
    & skf18("6","8","10","2","7","8","1") = "9"
    & skf18("6","8","10","2","7","9","1") = "9"
    & skf18("6","8","10","2","7","10","1") = "9"
    & skf18("6","8","10","2","8","1","1") = "9"
    & skf18("6","8","10","2","8","2","1") = "9"
    & skf18("6","8","10","2","8","3","1") = "9"
    & skf18("6","8","10","2","8","4","1") = "9"
    & skf18("6","8","10","2","8","5","1") = "9"
    & skf18("6","8","10","2","8","6","1") = "9"
    & skf18("6","8","10","2","8","7","1") = "9"
    & skf18("6","8","10","2","8","8","1") = "9"
    & skf18("6","8","10","2","8","9","1") = "9"
    & skf18("6","8","10","2","8","10","1") = "9"
    & skf18("6","8","10","2","9","1","1") = "9"
    & skf18("6","8","10","2","9","2","1") = "9"
    & skf18("6","8","10","2","9","3","1") = "9"
    & skf18("6","8","10","2","9","4","1") = "9"
    & skf18("6","8","10","2","9","5","1") = "9"
    & skf18("6","8","10","2","9","6","1") = "9"
    & skf18("6","8","10","2","9","7","1") = "9"
    & skf18("6","8","10","2","9","8","1") = "9"
    & skf18("6","8","10","2","9","9","1") = "9"
    & skf18("6","8","10","2","9","10","1") = "9"
    & skf18("6","8","10","2","10","1","1") = "9"
    & skf18("6","8","10","2","10","2","1") = "9"
    & skf18("6","8","10","2","10","3","1") = "9"
    & skf18("6","8","10","2","10","4","1") = "9"
    & skf18("6","8","10","2","10","5","1") = "9"
    & skf18("6","8","10","2","10","6","1") = "9"
    & skf18("6","8","10","2","10","7","1") = "9"
    & skf18("6","8","10","2","10","8","1") = "9"
    & skf18("6","8","10","2","10","9","1") = "9"
    & skf18("6","8","10","2","10","10","1") = "9"
    & skf18("6","8","10","3","1","1","1") = "9"
    & skf18("6","8","10","3","1","2","1") = "9"
    & skf18("6","8","10","3","1","3","1") = "9"
    & skf18("6","8","10","3","1","4","1") = "9"
    & skf18("6","8","10","3","1","5","1") = "9"
    & skf18("6","8","10","3","1","6","1") = "9"
    & skf18("6","8","10","3","1","7","1") = "9"
    & skf18("6","8","10","3","1","8","1") = "9"
    & skf18("6","8","10","3","1","9","1") = "9"
    & skf18("6","8","10","3","1","10","1") = "9"
    & skf18("6","8","10","3","2","1","1") = "9"
    & skf18("6","8","10","3","2","2","1") = "9"
    & skf18("6","8","10","3","2","3","1") = "9"
    & skf18("6","8","10","3","2","4","1") = "9"
    & skf18("6","8","10","3","2","5","1") = "9"
    & skf18("6","8","10","3","2","6","1") = "9"
    & skf18("6","8","10","3","2","7","1") = "9"
    & skf18("6","8","10","3","2","8","1") = "9"
    & skf18("6","8","10","3","2","9","1") = "9"
    & skf18("6","8","10","3","2","10","1") = "9"
    & skf18("6","8","10","3","3","1","1") = "9"
    & skf18("6","8","10","3","3","2","1") = "9"
    & skf18("6","8","10","3","3","3","1") = "9"
    & skf18("6","8","10","3","3","4","1") = "9"
    & skf18("6","8","10","3","3","5","1") = "9"
    & skf18("6","8","10","3","3","6","1") = "9"
    & skf18("6","8","10","3","3","7","1") = "9"
    & skf18("6","8","10","3","3","8","1") = "9"
    & skf18("6","8","10","3","3","9","1") = "9"
    & skf18("6","8","10","3","3","10","1") = "9"
    & skf18("6","8","10","3","4","1","1") = "9"
    & skf18("6","8","10","3","4","2","1") = "9"
    & skf18("6","8","10","3","4","3","1") = "9"
    & skf18("6","8","10","3","4","4","1") = "9"
    & skf18("6","8","10","3","4","5","1") = "9"
    & skf18("6","8","10","3","4","6","1") = "9"
    & skf18("6","8","10","3","4","7","1") = "9"
    & skf18("6","8","10","3","4","8","1") = "9"
    & skf18("6","8","10","3","4","9","1") = "9"
    & skf18("6","8","10","3","4","10","1") = "9"
    & skf18("6","8","10","3","5","1","1") = "9"
    & skf18("6","8","10","3","5","2","1") = "9"
    & skf18("6","8","10","3","5","3","1") = "9"
    & skf18("6","8","10","3","5","4","1") = "9"
    & skf18("6","8","10","3","5","5","1") = "9"
    & skf18("6","8","10","3","5","6","1") = "9"
    & skf18("6","8","10","3","5","7","1") = "9"
    & skf18("6","8","10","3","5","8","1") = "9"
    & skf18("6","8","10","3","5","9","1") = "9"
    & skf18("6","8","10","3","5","10","1") = "9"
    & skf18("6","8","10","3","6","1","1") = "9"
    & skf18("6","8","10","3","6","2","1") = "9"
    & skf18("6","8","10","3","6","3","1") = "9"
    & skf18("6","8","10","3","6","4","1") = "9"
    & skf18("6","8","10","3","6","5","1") = "9"
    & skf18("6","8","10","3","6","6","1") = "9"
    & skf18("6","8","10","3","6","7","1") = "9"
    & skf18("6","8","10","3","6","8","1") = "9"
    & skf18("6","8","10","3","6","9","1") = "9"
    & skf18("6","8","10","3","6","10","1") = "9"
    & skf18("6","8","10","3","7","1","1") = "9"
    & skf18("6","8","10","3","7","2","1") = "9"
    & skf18("6","8","10","3","7","3","1") = "9"
    & skf18("6","8","10","3","7","4","1") = "9"
    & skf18("6","8","10","3","7","5","1") = "9"
    & skf18("6","8","10","3","7","6","1") = "9"
    & skf18("6","8","10","3","7","7","1") = "9"
    & skf18("6","8","10","3","7","8","1") = "9"
    & skf18("6","8","10","3","7","9","1") = "9"
    & skf18("6","8","10","3","7","10","1") = "9"
    & skf18("6","8","10","3","8","1","1") = "9"
    & skf18("6","8","10","3","8","2","1") = "9"
    & skf18("6","8","10","3","8","3","1") = "9"
    & skf18("6","8","10","3","8","4","1") = "9"
    & skf18("6","8","10","3","8","5","1") = "9"
    & skf18("6","8","10","3","8","6","1") = "9"
    & skf18("6","8","10","3","8","7","1") = "9"
    & skf18("6","8","10","3","8","8","1") = "9"
    & skf18("6","8","10","3","8","9","1") = "9"
    & skf18("6","8","10","3","8","10","1") = "9"
    & skf18("6","8","10","3","9","1","1") = "9"
    & skf18("6","8","10","3","9","2","1") = "9"
    & skf18("6","8","10","3","9","3","1") = "9"
    & skf18("6","8","10","3","9","4","1") = "9"
    & skf18("6","8","10","3","9","5","1") = "9"
    & skf18("6","8","10","3","9","6","1") = "9"
    & skf18("6","8","10","3","9","7","1") = "9"
    & skf18("6","8","10","3","9","8","1") = "9"
    & skf18("6","8","10","3","9","9","1") = "9"
    & skf18("6","8","10","3","9","10","1") = "9"
    & skf18("6","8","10","3","10","1","1") = "9"
    & skf18("6","8","10","3","10","2","1") = "9"
    & skf18("6","8","10","3","10","3","1") = "9"
    & skf18("6","8","10","3","10","4","1") = "9"
    & skf18("6","8","10","3","10","5","1") = "9"
    & skf18("6","8","10","3","10","6","1") = "9"
    & skf18("6","8","10","3","10","7","1") = "9"
    & skf18("6","8","10","3","10","8","1") = "9"
    & skf18("6","8","10","3","10","9","1") = "9"
    & skf18("6","8","10","3","10","10","1") = "9"
    & skf18("6","8","10","4","1","1","1") = "9"
    & skf18("6","8","10","4","1","2","1") = "9"
    & skf18("6","8","10","4","1","3","1") = "9"
    & skf18("6","8","10","4","1","4","1") = "9"
    & skf18("6","8","10","4","1","5","1") = "9"
    & skf18("6","8","10","4","1","6","1") = "9"
    & skf18("6","8","10","4","1","7","1") = "9"
    & skf18("6","8","10","4","1","8","1") = "9"
    & skf18("6","8","10","4","1","9","1") = "9"
    & skf18("6","8","10","4","1","10","1") = "9"
    & skf18("6","8","10","4","2","1","1") = "9"
    & skf18("6","8","10","4","2","2","1") = "9"
    & skf18("6","8","10","4","2","3","1") = "9"
    & skf18("6","8","10","4","2","4","1") = "9"
    & skf18("6","8","10","4","2","5","1") = "9"
    & skf18("6","8","10","4","2","6","1") = "9"
    & skf18("6","8","10","4","2","7","1") = "9"
    & skf18("6","8","10","4","2","8","1") = "9"
    & skf18("6","8","10","4","2","9","1") = "9"
    & skf18("6","8","10","4","2","10","1") = "9"
    & skf18("6","8","10","4","3","1","1") = "9"
    & skf18("6","8","10","4","3","2","1") = "9"
    & skf18("6","8","10","4","3","3","1") = "9"
    & skf18("6","8","10","4","3","4","1") = "9"
    & skf18("6","8","10","4","3","5","1") = "9"
    & skf18("6","8","10","4","3","6","1") = "9"
    & skf18("6","8","10","4","3","7","1") = "9"
    & skf18("6","8","10","4","3","8","1") = "9"
    & skf18("6","8","10","4","3","9","1") = "9"
    & skf18("6","8","10","4","3","10","1") = "9"
    & skf18("6","8","10","4","4","1","1") = "9"
    & skf18("6","8","10","4","4","2","1") = "9"
    & skf18("6","8","10","4","4","3","1") = "9"
    & skf18("6","8","10","4","4","4","1") = "9"
    & skf18("6","8","10","4","4","5","1") = "9"
    & skf18("6","8","10","4","4","6","1") = "9"
    & skf18("6","8","10","4","4","7","1") = "9"
    & skf18("6","8","10","4","4","8","1") = "9"
    & skf18("6","8","10","4","4","9","1") = "9"
    & skf18("6","8","10","4","4","10","1") = "9"
    & skf18("6","8","10","4","5","1","1") = "9"
    & skf18("6","8","10","4","5","2","1") = "9"
    & skf18("6","8","10","4","5","3","1") = "9"
    & skf18("6","8","10","4","5","4","1") = "9"
    & skf18("6","8","10","4","5","5","1") = "9"
    & skf18("6","8","10","4","5","6","1") = "9"
    & skf18("6","8","10","4","5","7","1") = "9"
    & skf18("6","8","10","4","5","8","1") = "9"
    & skf18("6","8","10","4","5","9","1") = "9"
    & skf18("6","8","10","4","5","10","1") = "9"
    & skf18("6","8","10","4","6","1","1") = "9"
    & skf18("6","8","10","4","6","2","1") = "9"
    & skf18("6","8","10","4","6","3","1") = "9"
    & skf18("6","8","10","4","6","4","1") = "9"
    & skf18("6","8","10","4","6","5","1") = "9"
    & skf18("6","8","10","4","6","6","1") = "9"
    & skf18("6","8","10","4","6","7","1") = "9"
    & skf18("6","8","10","4","6","8","1") = "9"
    & skf18("6","8","10","4","6","9","1") = "9"
    & skf18("6","8","10","4","6","10","1") = "9"
    & skf18("6","8","10","4","7","1","1") = "9"
    & skf18("6","8","10","4","7","2","1") = "9"
    & skf18("6","8","10","4","7","3","1") = "9"
    & skf18("6","8","10","4","7","4","1") = "9"
    & skf18("6","8","10","4","7","5","1") = "9"
    & skf18("6","8","10","4","7","6","1") = "9"
    & skf18("6","8","10","4","7","7","1") = "9"
    & skf18("6","8","10","4","7","8","1") = "9"
    & skf18("6","8","10","4","7","9","1") = "9"
    & skf18("6","8","10","4","7","10","1") = "9"
    & skf18("6","8","10","4","8","1","1") = "9"
    & skf18("6","8","10","4","8","2","1") = "9"
    & skf18("6","8","10","4","8","3","1") = "9"
    & skf18("6","8","10","4","8","4","1") = "9"
    & skf18("6","8","10","4","8","5","1") = "9"
    & skf18("6","8","10","4","8","6","1") = "9"
    & skf18("6","8","10","4","8","7","1") = "9"
    & skf18("6","8","10","4","8","8","1") = "9"
    & skf18("6","8","10","4","8","9","1") = "9"
    & skf18("6","8","10","4","8","10","1") = "9"
    & skf18("6","8","10","4","9","1","1") = "9"
    & skf18("6","8","10","4","9","2","1") = "9"
    & skf18("6","8","10","4","9","3","1") = "9"
    & skf18("6","8","10","4","9","4","1") = "9"
    & skf18("6","8","10","4","9","5","1") = "9"
    & skf18("6","8","10","4","9","6","1") = "9"
    & skf18("6","8","10","4","9","7","1") = "9"
    & skf18("6","8","10","4","9","8","1") = "9"
    & skf18("6","8","10","4","9","9","1") = "9"
    & skf18("6","8","10","4","9","10","1") = "9"
    & skf18("6","8","10","4","10","1","1") = "9"
    & skf18("6","8","10","4","10","2","1") = "9"
    & skf18("6","8","10","4","10","3","1") = "9"
    & skf18("6","8","10","4","10","4","1") = "9"
    & skf18("6","8","10","4","10","5","1") = "9"
    & skf18("6","8","10","4","10","6","1") = "9"
    & skf18("6","8","10","4","10","7","1") = "9"
    & skf18("6","8","10","4","10","8","1") = "9"
    & skf18("6","8","10","4","10","9","1") = "9"
    & skf18("6","8","10","4","10","10","1") = "9"
    & skf18("6","8","10","5","1","1","1") = "9"
    & skf18("6","8","10","5","1","2","1") = "9"
    & skf18("6","8","10","5","1","3","1") = "9"
    & skf18("6","8","10","5","1","4","1") = "9"
    & skf18("6","8","10","5","1","5","1") = "9"
    & skf18("6","8","10","5","1","6","1") = "9"
    & skf18("6","8","10","5","1","7","1") = "9"
    & skf18("6","8","10","5","1","8","1") = "9"
    & skf18("6","8","10","5","1","9","1") = "9"
    & skf18("6","8","10","5","1","10","1") = "9"
    & skf18("6","8","10","5","2","1","1") = "9"
    & skf18("6","8","10","5","2","2","1") = "9"
    & skf18("6","8","10","5","2","3","1") = "9"
    & skf18("6","8","10","5","2","4","1") = "9"
    & skf18("6","8","10","5","2","5","1") = "9"
    & skf18("6","8","10","5","2","6","1") = "9"
    & skf18("6","8","10","5","2","7","1") = "9"
    & skf18("6","8","10","5","2","8","1") = "9"
    & skf18("6","8","10","5","2","9","1") = "9"
    & skf18("6","8","10","5","2","10","1") = "9"
    & skf18("6","8","10","5","3","1","1") = "9"
    & skf18("6","8","10","5","3","2","1") = "9"
    & skf18("6","8","10","5","3","3","1") = "9"
    & skf18("6","8","10","5","3","4","1") = "9"
    & skf18("6","8","10","5","3","5","1") = "9"
    & skf18("6","8","10","5","3","6","1") = "9"
    & skf18("6","8","10","5","3","7","1") = "9"
    & skf18("6","8","10","5","3","8","1") = "9"
    & skf18("6","8","10","5","3","9","1") = "9"
    & skf18("6","8","10","5","3","10","1") = "9"
    & skf18("6","8","10","5","4","1","1") = "9"
    & skf18("6","8","10","5","4","2","1") = "9"
    & skf18("6","8","10","5","4","3","1") = "9"
    & skf18("6","8","10","5","4","4","1") = "9"
    & skf18("6","8","10","5","4","5","1") = "9"
    & skf18("6","8","10","5","4","6","1") = "9"
    & skf18("6","8","10","5","4","7","1") = "9"
    & skf18("6","8","10","5","4","8","1") = "9"
    & skf18("6","8","10","5","4","9","1") = "9"
    & skf18("6","8","10","5","4","10","1") = "9"
    & skf18("6","8","10","5","5","1","1") = "9"
    & skf18("6","8","10","5","5","2","1") = "9"
    & skf18("6","8","10","5","5","3","1") = "9"
    & skf18("6","8","10","5","5","4","1") = "9"
    & skf18("6","8","10","5","5","5","1") = "9"
    & skf18("6","8","10","5","5","6","1") = "9"
    & skf18("6","8","10","5","5","7","1") = "9"
    & skf18("6","8","10","5","5","8","1") = "9"
    & skf18("6","8","10","5","5","9","1") = "9"
    & skf18("6","8","10","5","5","10","1") = "9"
    & skf18("6","8","10","5","6","1","1") = "9"
    & skf18("6","8","10","5","6","2","1") = "9"
    & skf18("6","8","10","5","6","3","1") = "9"
    & skf18("6","8","10","5","6","4","1") = "9"
    & skf18("6","8","10","5","6","5","1") = "9"
    & skf18("6","8","10","5","6","6","1") = "9"
    & skf18("6","8","10","5","6","7","1") = "9"
    & skf18("6","8","10","5","6","8","1") = "9"
    & skf18("6","8","10","5","6","9","1") = "9"
    & skf18("6","8","10","5","6","10","1") = "9"
    & skf18("6","8","10","5","7","1","1") = "9"
    & skf18("6","8","10","5","7","2","1") = "9"
    & skf18("6","8","10","5","7","3","1") = "9"
    & skf18("6","8","10","5","7","4","1") = "9"
    & skf18("6","8","10","5","7","5","1") = "9"
    & skf18("6","8","10","5","7","6","1") = "9"
    & skf18("6","8","10","5","7","7","1") = "9"
    & skf18("6","8","10","5","7","8","1") = "9"
    & skf18("6","8","10","5","7","9","1") = "9"
    & skf18("6","8","10","5","7","10","1") = "9"
    & skf18("6","8","10","5","8","1","1") = "9"
    & skf18("6","8","10","5","8","2","1") = "9"
    & skf18("6","8","10","5","8","3","1") = "9"
    & skf18("6","8","10","5","8","4","1") = "9"
    & skf18("6","8","10","5","8","5","1") = "9"
    & skf18("6","8","10","5","8","6","1") = "9"
    & skf18("6","8","10","5","8","7","1") = "9"
    & skf18("6","8","10","5","8","8","1") = "9"
    & skf18("6","8","10","5","8","9","1") = "9"
    & skf18("6","8","10","5","8","10","1") = "9"
    & skf18("6","8","10","5","9","1","1") = "9"
    & skf18("6","8","10","5","9","2","1") = "9"
    & skf18("6","8","10","5","9","3","1") = "9"
    & skf18("6","8","10","5","9","4","1") = "9"
    & skf18("6","8","10","5","9","5","1") = "9"
    & skf18("6","8","10","5","9","6","1") = "9"
    & skf18("6","8","10","5","9","7","1") = "9"
    & skf18("6","8","10","5","9","8","1") = "9"
    & skf18("6","8","10","5","9","9","1") = "9"
    & skf18("6","8","10","5","9","10","1") = "9"
    & skf18("6","8","10","5","10","1","1") = "9"
    & skf18("6","8","10","5","10","2","1") = "9"
    & skf18("6","8","10","5","10","3","1") = "9"
    & skf18("6","8","10","5","10","4","1") = "9"
    & skf18("6","8","10","5","10","5","1") = "9"
    & skf18("6","8","10","5","10","6","1") = "9"
    & skf18("6","8","10","5","10","7","1") = "9"
    & skf18("6","8","10","5","10","8","1") = "9"
    & skf18("6","8","10","5","10","9","1") = "9"
    & skf18("6","8","10","5","10","10","1") = "9"
    & skf18("6","8","10","6","1","1","1") = "9"
    & skf18("6","8","10","6","1","2","1") = "9"
    & skf18("6","8","10","6","1","3","1") = "9"
    & skf18("6","8","10","6","1","4","1") = "9"
    & skf18("6","8","10","6","1","5","1") = "9"
    & skf18("6","8","10","6","1","6","1") = "9"
    & skf18("6","8","10","6","1","7","1") = "9"
    & skf18("6","8","10","6","1","8","1") = "9"
    & skf18("6","8","10","6","1","9","1") = "9"
    & skf18("6","8","10","6","1","10","1") = "9"
    & skf18("6","8","10","6","2","1","1") = "9"
    & skf18("6","8","10","6","2","2","1") = "9"
    & skf18("6","8","10","6","2","3","1") = "9"
    & skf18("6","8","10","6","2","4","1") = "9"
    & skf18("6","8","10","6","2","5","1") = "9"
    & skf18("6","8","10","6","2","6","1") = "9"
    & skf18("6","8","10","6","2","7","1") = "9"
    & skf18("6","8","10","6","2","8","1") = "9"
    & skf18("6","8","10","6","2","9","1") = "9"
    & skf18("6","8","10","6","2","10","1") = "9"
    & skf18("6","8","10","6","3","1","1") = "9"
    & skf18("6","8","10","6","3","2","1") = "9"
    & skf18("6","8","10","6","3","3","1") = "9"
    & skf18("6","8","10","6","3","4","1") = "9"
    & skf18("6","8","10","6","3","5","1") = "9"
    & skf18("6","8","10","6","3","6","1") = "9"
    & skf18("6","8","10","6","3","7","1") = "9"
    & skf18("6","8","10","6","3","8","1") = "9"
    & skf18("6","8","10","6","3","9","1") = "9"
    & skf18("6","8","10","6","3","10","1") = "9"
    & skf18("6","8","10","6","4","1","1") = "9"
    & skf18("6","8","10","6","4","2","1") = "9"
    & skf18("6","8","10","6","4","3","1") = "9"
    & skf18("6","8","10","6","4","4","1") = "9"
    & skf18("6","8","10","6","4","5","1") = "9"
    & skf18("6","8","10","6","4","6","1") = "9"
    & skf18("6","8","10","6","4","7","1") = "9"
    & skf18("6","8","10","6","4","8","1") = "9"
    & skf18("6","8","10","6","4","9","1") = "9"
    & skf18("6","8","10","6","4","10","1") = "9"
    & skf18("6","8","10","6","5","1","1") = "9"
    & skf18("6","8","10","6","5","2","1") = "9"
    & skf18("6","8","10","6","5","3","1") = "9"
    & skf18("6","8","10","6","5","4","1") = "9"
    & skf18("6","8","10","6","5","5","1") = "9"
    & skf18("6","8","10","6","5","6","1") = "9"
    & skf18("6","8","10","6","5","7","1") = "9"
    & skf18("6","8","10","6","5","8","1") = "9"
    & skf18("6","8","10","6","5","9","1") = "9"
    & skf18("6","8","10","6","5","10","1") = "9"
    & skf18("6","8","10","6","6","1","1") = "9"
    & skf18("6","8","10","6","6","2","1") = "9"
    & skf18("6","8","10","6","6","3","1") = "9"
    & skf18("6","8","10","6","6","4","1") = "9"
    & skf18("6","8","10","6","6","5","1") = "9"
    & skf18("6","8","10","6","6","6","1") = "9"
    & skf18("6","8","10","6","6","7","1") = "9"
    & skf18("6","8","10","6","6","8","1") = "9"
    & skf18("6","8","10","6","6","9","1") = "9"
    & skf18("6","8","10","6","6","10","1") = "9"
    & skf18("6","8","10","6","7","1","1") = "9"
    & skf18("6","8","10","6","7","2","1") = "9"
    & skf18("6","8","10","6","7","3","1") = "9"
    & skf18("6","8","10","6","7","4","1") = "9"
    & skf18("6","8","10","6","7","5","1") = "9"
    & skf18("6","8","10","6","7","6","1") = "9"
    & skf18("6","8","10","6","7","7","1") = "9"
    & skf18("6","8","10","6","7","8","1") = "9"
    & skf18("6","8","10","6","7","9","1") = "9"
    & skf18("6","8","10","6","7","10","1") = "9"
    & skf18("6","8","10","6","8","1","1") = "9"
    & skf18("6","8","10","6","8","2","1") = "9"
    & skf18("6","8","10","6","8","3","1") = "9"
    & skf18("6","8","10","6","8","4","1") = "9"
    & skf18("6","8","10","6","8","5","1") = "9"
    & skf18("6","8","10","6","8","6","1") = "9"
    & skf18("6","8","10","6","8","7","1") = "9"
    & skf18("6","8","10","6","8","8","1") = "9"
    & skf18("6","8","10","6","8","9","1") = "9"
    & skf18("6","8","10","6","8","10","1") = "9"
    & skf18("6","8","10","6","9","1","1") = "9"
    & skf18("6","8","10","6","9","2","1") = "9"
    & skf18("6","8","10","6","9","3","1") = "9"
    & skf18("6","8","10","6","9","4","1") = "9"
    & skf18("6","8","10","6","9","5","1") = "9"
    & skf18("6","8","10","6","9","6","1") = "9"
    & skf18("6","8","10","6","9","7","1") = "9"
    & skf18("6","8","10","6","9","8","1") = "9"
    & skf18("6","8","10","6","9","9","1") = "9"
    & skf18("6","8","10","6","9","10","1") = "9"
    & skf18("6","8","10","6","10","1","1") = "9"
    & skf18("6","8","10","6","10","2","1") = "9"
    & skf18("6","8","10","6","10","3","1") = "9"
    & skf18("6","8","10","6","10","4","1") = "9"
    & skf18("6","8","10","6","10","5","1") = "9"
    & skf18("6","8","10","6","10","6","1") = "9"
    & skf18("6","8","10","6","10","7","1") = "9"
    & skf18("6","8","10","6","10","8","1") = "9"
    & skf18("6","8","10","6","10","9","1") = "9"
    & skf18("6","8","10","6","10","10","1") = "9"
    & skf18("6","8","10","7","1","1","1") = "9"
    & skf18("6","8","10","7","1","2","1") = "9"
    & skf18("6","8","10","7","1","3","1") = "9"
    & skf18("6","8","10","7","1","4","1") = "9"
    & skf18("6","8","10","7","1","5","1") = "9"
    & skf18("6","8","10","7","1","6","1") = "9"
    & skf18("6","8","10","7","1","7","1") = "9"
    & skf18("6","8","10","7","1","8","1") = "9"
    & skf18("6","8","10","7","1","9","1") = "9"
    & skf18("6","8","10","7","1","10","1") = "9"
    & skf18("6","8","10","7","2","1","1") = "9"
    & skf18("6","8","10","7","2","2","1") = "9"
    & skf18("6","8","10","7","2","3","1") = "9"
    & skf18("6","8","10","7","2","4","1") = "9"
    & skf18("6","8","10","7","2","5","1") = "9"
    & skf18("6","8","10","7","2","6","1") = "9"
    & skf18("6","8","10","7","2","7","1") = "9"
    & skf18("6","8","10","7","2","8","1") = "9"
    & skf18("6","8","10","7","2","9","1") = "9"
    & skf18("6","8","10","7","2","10","1") = "9"
    & skf18("6","8","10","7","3","1","1") = "9"
    & skf18("6","8","10","7","3","2","1") = "9"
    & skf18("6","8","10","7","3","3","1") = "9"
    & skf18("6","8","10","7","3","4","1") = "9"
    & skf18("6","8","10","7","3","5","1") = "9"
    & skf18("6","8","10","7","3","6","1") = "9"
    & skf18("6","8","10","7","3","7","1") = "9"
    & skf18("6","8","10","7","3","8","1") = "9"
    & skf18("6","8","10","7","3","9","1") = "9"
    & skf18("6","8","10","7","3","10","1") = "9"
    & skf18("6","8","10","7","4","1","1") = "9"
    & skf18("6","8","10","7","4","2","1") = "9"
    & skf18("6","8","10","7","4","3","1") = "9"
    & skf18("6","8","10","7","4","4","1") = "9"
    & skf18("6","8","10","7","4","5","1") = "9"
    & skf18("6","8","10","7","4","6","1") = "9"
    & skf18("6","8","10","7","4","7","1") = "9"
    & skf18("6","8","10","7","4","8","1") = "9"
    & skf18("6","8","10","7","4","9","1") = "9"
    & skf18("6","8","10","7","4","10","1") = "9"
    & skf18("6","8","10","7","5","1","1") = "9"
    & skf18("6","8","10","7","5","2","1") = "9"
    & skf18("6","8","10","7","5","3","1") = "9"
    & skf18("6","8","10","7","5","4","1") = "9"
    & skf18("6","8","10","7","5","5","1") = "9"
    & skf18("6","8","10","7","5","6","1") = "9"
    & skf18("6","8","10","7","5","7","1") = "9"
    & skf18("6","8","10","7","5","8","1") = "9"
    & skf18("6","8","10","7","5","9","1") = "9"
    & skf18("6","8","10","7","5","10","1") = "9"
    & skf18("6","8","10","7","6","1","1") = "9"
    & skf18("6","8","10","7","6","2","1") = "9"
    & skf18("6","8","10","7","6","3","1") = "9"
    & skf18("6","8","10","7","6","4","1") = "9"
    & skf18("6","8","10","7","6","5","1") = "9"
    & skf18("6","8","10","7","6","6","1") = "9"
    & skf18("6","8","10","7","6","7","1") = "9"
    & skf18("6","8","10","7","6","8","1") = "9"
    & skf18("6","8","10","7","6","9","1") = "9"
    & skf18("6","8","10","7","6","10","1") = "9"
    & skf18("6","8","10","7","7","1","1") = "9"
    & skf18("6","8","10","7","7","2","1") = "9"
    & skf18("6","8","10","7","7","3","1") = "9"
    & skf18("6","8","10","7","7","4","1") = "9"
    & skf18("6","8","10","7","7","5","1") = "9"
    & skf18("6","8","10","7","7","6","1") = "9"
    & skf18("6","8","10","7","7","7","1") = "9"
    & skf18("6","8","10","7","7","8","1") = "9"
    & skf18("6","8","10","7","7","9","1") = "9"
    & skf18("6","8","10","7","7","10","1") = "9"
    & skf18("6","8","10","7","8","1","1") = "9"
    & skf18("6","8","10","7","8","2","1") = "9"
    & skf18("6","8","10","7","8","3","1") = "9"
    & skf18("6","8","10","7","8","4","1") = "9"
    & skf18("6","8","10","7","8","5","1") = "9"
    & skf18("6","8","10","7","8","6","1") = "9"
    & skf18("6","8","10","7","8","7","1") = "9"
    & skf18("6","8","10","7","8","8","1") = "9"
    & skf18("6","8","10","7","8","9","1") = "9"
    & skf18("6","8","10","7","8","10","1") = "9"
    & skf18("6","8","10","7","9","1","1") = "9"
    & skf18("6","8","10","7","9","2","1") = "9"
    & skf18("6","8","10","7","9","3","1") = "9"
    & skf18("6","8","10","7","9","4","1") = "9"
    & skf18("6","8","10","7","9","5","1") = "9"
    & skf18("6","8","10","7","9","6","1") = "9"
    & skf18("6","8","10","7","9","7","1") = "9"
    & skf18("6","8","10","7","9","8","1") = "9"
    & skf18("6","8","10","7","9","9","1") = "9"
    & skf18("6","8","10","7","9","10","1") = "9"
    & skf18("6","8","10","7","10","1","1") = "9"
    & skf18("6","8","10","7","10","2","1") = "9"
    & skf18("6","8","10","7","10","3","1") = "9"
    & skf18("6","8","10","7","10","4","1") = "9"
    & skf18("6","8","10","7","10","5","1") = "9"
    & skf18("6","8","10","7","10","6","1") = "9"
    & skf18("6","8","10","7","10","7","1") = "9"
    & skf18("6","8","10","7","10","8","1") = "9"
    & skf18("6","8","10","7","10","9","1") = "9"
    & skf18("6","8","10","7","10","10","1") = "9"
    & skf18("6","8","10","8","1","1","1") = "9"
    & skf18("6","8","10","8","1","2","1") = "9"
    & skf18("6","8","10","8","1","3","1") = "9"
    & skf18("6","8","10","8","1","4","1") = "9"
    & skf18("6","8","10","8","1","5","1") = "9"
    & skf18("6","8","10","8","1","6","1") = "9"
    & skf18("6","8","10","8","1","7","1") = "9"
    & skf18("6","8","10","8","1","8","1") = "9"
    & skf18("6","8","10","8","1","9","1") = "9"
    & skf18("6","8","10","8","1","10","1") = "9"
    & skf18("6","8","10","8","2","1","1") = "9"
    & skf18("6","8","10","8","2","2","1") = "9"
    & skf18("6","8","10","8","2","3","1") = "9"
    & skf18("6","8","10","8","2","4","1") = "9"
    & skf18("6","8","10","8","2","5","1") = "9"
    & skf18("6","8","10","8","2","6","1") = "9"
    & skf18("6","8","10","8","2","7","1") = "9"
    & skf18("6","8","10","8","2","8","1") = "9"
    & skf18("6","8","10","8","2","9","1") = "9"
    & skf18("6","8","10","8","2","10","1") = "9"
    & skf18("6","8","10","8","3","1","1") = "9"
    & skf18("6","8","10","8","3","2","1") = "9"
    & skf18("6","8","10","8","3","3","1") = "9"
    & skf18("6","8","10","8","3","4","1") = "9"
    & skf18("6","8","10","8","3","5","1") = "9"
    & skf18("6","8","10","8","3","6","1") = "9"
    & skf18("6","8","10","8","3","7","1") = "9"
    & skf18("6","8","10","8","3","8","1") = "9"
    & skf18("6","8","10","8","3","9","1") = "9"
    & skf18("6","8","10","8","3","10","1") = "9"
    & skf18("6","8","10","8","4","1","1") = "9"
    & skf18("6","8","10","8","4","2","1") = "9"
    & skf18("6","8","10","8","4","3","1") = "9"
    & skf18("6","8","10","8","4","4","1") = "9"
    & skf18("6","8","10","8","4","5","1") = "9"
    & skf18("6","8","10","8","4","6","1") = "9"
    & skf18("6","8","10","8","4","7","1") = "9"
    & skf18("6","8","10","8","4","8","1") = "9"
    & skf18("6","8","10","8","4","9","1") = "9"
    & skf18("6","8","10","8","4","10","1") = "9"
    & skf18("6","8","10","8","5","1","1") = "9"
    & skf18("6","8","10","8","5","2","1") = "9"
    & skf18("6","8","10","8","5","3","1") = "9"
    & skf18("6","8","10","8","5","4","1") = "9"
    & skf18("6","8","10","8","5","5","1") = "9"
    & skf18("6","8","10","8","5","6","1") = "9"
    & skf18("6","8","10","8","5","7","1") = "9"
    & skf18("6","8","10","8","5","8","1") = "9"
    & skf18("6","8","10","8","5","9","1") = "9"
    & skf18("6","8","10","8","5","10","1") = "9"
    & skf18("6","8","10","8","6","1","1") = "9"
    & skf18("6","8","10","8","6","2","1") = "9"
    & skf18("6","8","10","8","6","3","1") = "9"
    & skf18("6","8","10","8","6","4","1") = "9"
    & skf18("6","8","10","8","6","5","1") = "9"
    & skf18("6","8","10","8","6","6","1") = "9"
    & skf18("6","8","10","8","6","7","1") = "9"
    & skf18("6","8","10","8","6","8","1") = "9"
    & skf18("6","8","10","8","6","9","1") = "9"
    & skf18("6","8","10","8","6","10","1") = "9"
    & skf18("6","8","10","8","7","1","1") = "9"
    & skf18("6","8","10","8","7","2","1") = "9"
    & skf18("6","8","10","8","7","3","1") = "9"
    & skf18("6","8","10","8","7","4","1") = "9"
    & skf18("6","8","10","8","7","5","1") = "9"
    & skf18("6","8","10","8","7","6","1") = "9"
    & skf18("6","8","10","8","7","7","1") = "9"
    & skf18("6","8","10","8","7","8","1") = "9"
    & skf18("6","8","10","8","7","9","1") = "9"
    & skf18("6","8","10","8","7","10","1") = "9"
    & skf18("6","8","10","8","8","1","1") = "9"
    & skf18("6","8","10","8","8","2","1") = "9"
    & skf18("6","8","10","8","8","3","1") = "9"
    & skf18("6","8","10","8","8","4","1") = "9"
    & skf18("6","8","10","8","8","5","1") = "9"
    & skf18("6","8","10","8","8","6","1") = "9"
    & skf18("6","8","10","8","8","7","1") = "9"
    & skf18("6","8","10","8","8","8","1") = "9"
    & skf18("6","8","10","8","8","9","1") = "9"
    & skf18("6","8","10","8","8","10","1") = "9"
    & skf18("6","8","10","8","9","1","1") = "9"
    & skf18("6","8","10","8","9","2","1") = "9"
    & skf18("6","8","10","8","9","3","1") = "9"
    & skf18("6","8","10","8","9","4","1") = "9"
    & skf18("6","8","10","8","9","5","1") = "9"
    & skf18("6","8","10","8","9","6","1") = "9"
    & skf18("6","8","10","8","9","7","1") = "9"
    & skf18("6","8","10","8","9","8","1") = "9"
    & skf18("6","8","10","8","9","9","1") = "9"
    & skf18("6","8","10","8","9","10","1") = "9"
    & skf18("6","8","10","8","10","1","1") = "9"
    & skf18("6","8","10","8","10","2","1") = "9"
    & skf18("6","8","10","8","10","3","1") = "9"
    & skf18("6","8","10","8","10","4","1") = "9"
    & skf18("6","8","10","8","10","5","1") = "9"
    & skf18("6","8","10","8","10","6","1") = "9"
    & skf18("6","8","10","8","10","7","1") = "9"
    & skf18("6","8","10","8","10","8","1") = "9"
    & skf18("6","8","10","8","10","9","1") = "9"
    & skf18("6","8","10","8","10","10","1") = "9"
    & skf18("6","8","10","9","1","1","1") = "9"
    & skf18("6","8","10","9","1","2","1") = "9"
    & skf18("6","8","10","9","1","3","1") = "9"
    & skf18("6","8","10","9","1","4","1") = "9"
    & skf18("6","8","10","9","1","5","1") = "9"
    & skf18("6","8","10","9","1","6","1") = "9"
    & skf18("6","8","10","9","1","7","1") = "9"
    & skf18("6","8","10","9","1","8","1") = "9"
    & skf18("6","8","10","9","1","9","1") = "9"
    & skf18("6","8","10","9","1","10","1") = "9"
    & skf18("6","8","10","9","2","1","1") = "9"
    & skf18("6","8","10","9","2","2","1") = "9"
    & skf18("6","8","10","9","2","3","1") = "9"
    & skf18("6","8","10","9","2","4","1") = "9"
    & skf18("6","8","10","9","2","5","1") = "9"
    & skf18("6","8","10","9","2","6","1") = "9"
    & skf18("6","8","10","9","2","7","1") = "9"
    & skf18("6","8","10","9","2","8","1") = "9"
    & skf18("6","8","10","9","2","9","1") = "9"
    & skf18("6","8","10","9","2","10","1") = "9"
    & skf18("6","8","10","9","3","1","1") = "9"
    & skf18("6","8","10","9","3","2","1") = "9"
    & skf18("6","8","10","9","3","3","1") = "9"
    & skf18("6","8","10","9","3","4","1") = "9"
    & skf18("6","8","10","9","3","5","1") = "9"
    & skf18("6","8","10","9","3","6","1") = "9"
    & skf18("6","8","10","9","3","7","1") = "9"
    & skf18("6","8","10","9","3","8","1") = "9"
    & skf18("6","8","10","9","3","9","1") = "9"
    & skf18("6","8","10","9","3","10","1") = "9"
    & skf18("6","8","10","9","4","1","1") = "9"
    & skf18("6","8","10","9","4","2","1") = "9"
    & skf18("6","8","10","9","4","3","1") = "9"
    & skf18("6","8","10","9","4","4","1") = "9"
    & skf18("6","8","10","9","4","5","1") = "9"
    & skf18("6","8","10","9","4","6","1") = "9"
    & skf18("6","8","10","9","4","7","1") = "9"
    & skf18("6","8","10","9","4","8","1") = "9"
    & skf18("6","8","10","9","4","9","1") = "9"
    & skf18("6","8","10","9","4","10","1") = "9"
    & skf18("6","8","10","9","5","1","1") = "9"
    & skf18("6","8","10","9","5","2","1") = "9"
    & skf18("6","8","10","9","5","3","1") = "9"
    & skf18("6","8","10","9","5","4","1") = "9"
    & skf18("6","8","10","9","5","5","1") = "9"
    & skf18("6","8","10","9","5","6","1") = "9"
    & skf18("6","8","10","9","5","7","1") = "9"
    & skf18("6","8","10","9","5","8","1") = "9"
    & skf18("6","8","10","9","5","9","1") = "9"
    & skf18("6","8","10","9","5","10","1") = "9"
    & skf18("6","8","10","9","6","1","1") = "9"
    & skf18("6","8","10","9","6","2","1") = "9"
    & skf18("6","8","10","9","6","3","1") = "9"
    & skf18("6","8","10","9","6","4","1") = "9"
    & skf18("6","8","10","9","6","5","1") = "9"
    & skf18("6","8","10","9","6","6","1") = "9"
    & skf18("6","8","10","9","6","7","1") = "9"
    & skf18("6","8","10","9","6","8","1") = "9"
    & skf18("6","8","10","9","6","9","1") = "9"
    & skf18("6","8","10","9","6","10","1") = "9"
    & skf18("6","8","10","9","7","1","1") = "9"
    & skf18("6","8","10","9","7","2","1") = "9"
    & skf18("6","8","10","9","7","3","1") = "9"
    & skf18("6","8","10","9","7","4","1") = "9"
    & skf18("6","8","10","9","7","5","1") = "9"
    & skf18("6","8","10","9","7","6","1") = "9"
    & skf18("6","8","10","9","7","7","1") = "9"
    & skf18("6","8","10","9","7","8","1") = "9"
    & skf18("6","8","10","9","7","9","1") = "9"
    & skf18("6","8","10","9","7","10","1") = "9"
    & skf18("6","8","10","9","8","1","1") = "9"
    & skf18("6","8","10","9","8","2","1") = "9"
    & skf18("6","8","10","9","8","3","1") = "9"
    & skf18("6","8","10","9","8","4","1") = "9"
    & skf18("6","8","10","9","8","5","1") = "9"
    & skf18("6","8","10","9","8","6","1") = "9"
    & skf18("6","8","10","9","8","7","1") = "9"
    & skf18("6","8","10","9","8","8","1") = "9"
    & skf18("6","8","10","9","8","9","1") = "9"
    & skf18("6","8","10","9","8","10","1") = "9"
    & skf18("6","8","10","9","9","1","1") = "9"
    & skf18("6","8","10","9","9","2","1") = "9"
    & skf18("6","8","10","9","9","3","1") = "9"
    & skf18("6","8","10","9","9","4","1") = "9"
    & skf18("6","8","10","9","9","5","1") = "9"
    & skf18("6","8","10","9","9","6","1") = "9"
    & skf18("6","8","10","9","9","7","1") = "9"
    & skf18("6","8","10","9","9","8","1") = "9"
    & skf18("6","8","10","9","9","9","1") = "9"
    & skf18("6","8","10","9","9","10","1") = "9"
    & skf18("6","8","10","9","10","1","1") = "9"
    & skf18("6","8","10","9","10","2","1") = "9"
    & skf18("6","8","10","9","10","3","1") = "9"
    & skf18("6","8","10","9","10","4","1") = "9"
    & skf18("6","8","10","9","10","5","1") = "9"
    & skf18("6","8","10","9","10","6","1") = "9"
    & skf18("6","8","10","9","10","7","1") = "9"
    & skf18("6","8","10","9","10","8","1") = "9"
    & skf18("6","8","10","9","10","9","1") = "9"
    & skf18("6","8","10","9","10","10","1") = "9"
    & skf18("6","8","10","10","1","1","1") = "9"
    & skf18("6","8","10","10","1","2","1") = "9"
    & skf18("6","8","10","10","1","3","1") = "9"
    & skf18("6","8","10","10","1","4","1") = "9"
    & skf18("6","8","10","10","1","5","1") = "9"
    & skf18("6","8","10","10","1","6","1") = "9"
    & skf18("6","8","10","10","1","7","1") = "9"
    & skf18("6","8","10","10","1","8","1") = "9"
    & skf18("6","8","10","10","1","9","1") = "9"
    & skf18("6","8","10","10","1","10","1") = "9"
    & skf18("6","8","10","10","2","1","1") = "9"
    & skf18("6","8","10","10","2","2","1") = "9"
    & skf18("6","8","10","10","2","3","1") = "9"
    & skf18("6","8","10","10","2","4","1") = "9"
    & skf18("6","8","10","10","2","5","1") = "9"
    & skf18("6","8","10","10","2","6","1") = "9"
    & skf18("6","8","10","10","2","7","1") = "9"
    & skf18("6","8","10","10","2","8","1") = "9"
    & skf18("6","8","10","10","2","9","1") = "9"
    & skf18("6","8","10","10","2","10","1") = "9"
    & skf18("6","8","10","10","3","1","1") = "9"
    & skf18("6","8","10","10","3","2","1") = "9"
    & skf18("6","8","10","10","3","3","1") = "9"
    & skf18("6","8","10","10","3","4","1") = "9"
    & skf18("6","8","10","10","3","5","1") = "9"
    & skf18("6","8","10","10","3","6","1") = "9"
    & skf18("6","8","10","10","3","7","1") = "9"
    & skf18("6","8","10","10","3","8","1") = "9"
    & skf18("6","8","10","10","3","9","1") = "9"
    & skf18("6","8","10","10","3","10","1") = "9"
    & skf18("6","8","10","10","4","1","1") = "9"
    & skf18("6","8","10","10","4","2","1") = "9"
    & skf18("6","8","10","10","4","3","1") = "9"
    & skf18("6","8","10","10","4","4","1") = "9"
    & skf18("6","8","10","10","4","5","1") = "9"
    & skf18("6","8","10","10","4","6","1") = "9"
    & skf18("6","8","10","10","4","7","1") = "9"
    & skf18("6","8","10","10","4","8","1") = "9"
    & skf18("6","8","10","10","4","9","1") = "9"
    & skf18("6","8","10","10","4","10","1") = "9"
    & skf18("6","8","10","10","5","1","1") = "9"
    & skf18("6","8","10","10","5","2","1") = "9"
    & skf18("6","8","10","10","5","3","1") = "9"
    & skf18("6","8","10","10","5","4","1") = "9"
    & skf18("6","8","10","10","5","5","1") = "9"
    & skf18("6","8","10","10","5","6","1") = "9"
    & skf18("6","8","10","10","5","7","1") = "9"
    & skf18("6","8","10","10","5","8","1") = "9"
    & skf18("6","8","10","10","5","9","1") = "9"
    & skf18("6","8","10","10","5","10","1") = "9"
    & skf18("6","8","10","10","6","1","1") = "9"
    & skf18("6","8","10","10","6","2","1") = "9"
    & skf18("6","8","10","10","6","3","1") = "9"
    & skf18("6","8","10","10","6","4","1") = "9"
    & skf18("6","8","10","10","6","5","1") = "9"
    & skf18("6","8","10","10","6","6","1") = "9"
    & skf18("6","8","10","10","6","7","1") = "9"
    & skf18("6","8","10","10","6","8","1") = "9"
    & skf18("6","8","10","10","6","9","1") = "9"
    & skf18("6","8","10","10","6","10","1") = "9"
    & skf18("6","8","10","10","7","1","1") = "9"
    & skf18("6","8","10","10","7","2","1") = "9"
    & skf18("6","8","10","10","7","3","1") = "9"
    & skf18("6","8","10","10","7","4","1") = "9"
    & skf18("6","8","10","10","7","5","1") = "9"
    & skf18("6","8","10","10","7","6","1") = "9"
    & skf18("6","8","10","10","7","7","1") = "9"
    & skf18("6","8","10","10","7","8","1") = "9"
    & skf18("6","8","10","10","7","9","1") = "9"
    & skf18("6","8","10","10","7","10","1") = "9"
    & skf18("6","8","10","10","8","1","1") = "9"
    & skf18("6","8","10","10","8","2","1") = "9"
    & skf18("6","8","10","10","8","3","1") = "9"
    & skf18("6","8","10","10","8","4","1") = "9"
    & skf18("6","8","10","10","8","5","1") = "9"
    & skf18("6","8","10","10","8","6","1") = "9"
    & skf18("6","8","10","10","8","7","1") = "9"
    & skf18("6","8","10","10","8","8","1") = "9"
    & skf18("6","8","10","10","8","9","1") = "9"
    & skf18("6","8","10","10","8","10","1") = "9"
    & skf18("6","8","10","10","9","1","1") = "9"
    & skf18("6","8","10","10","9","2","1") = "9"
    & skf18("6","8","10","10","9","3","1") = "9"
    & skf18("6","8","10","10","9","4","1") = "9"
    & skf18("6","8","10","10","9","5","1") = "9"
    & skf18("6","8","10","10","9","6","1") = "9"
    & skf18("6","8","10","10","9","7","1") = "9"
    & skf18("6","8","10","10","9","8","1") = "9"
    & skf18("6","8","10","10","9","9","1") = "9"
    & skf18("6","8","10","10","9","10","1") = "9"
    & skf18("6","8","10","10","10","1","1") = "9"
    & skf18("6","8","10","10","10","2","1") = "9"
    & skf18("6","8","10","10","10","3","1") = "9"
    & skf18("6","8","10","10","10","4","1") = "9"
    & skf18("6","8","10","10","10","5","1") = "9"
    & skf18("6","8","10","10","10","6","1") = "9"
    & skf18("6","8","10","10","10","7","1") = "9"
    & skf18("6","8","10","10","10","8","1") = "9"
    & skf18("6","8","10","10","10","9","1") = "9"
    & skf18("6","8","10","10","10","10","1") = "9"
    & skf18("6","9","1","1","1","1","1") = "8"
    & skf18("6","9","1","1","1","2","1") = "8"
    & skf18("6","9","1","1","1","3","1") = "8"
    & skf18("6","9","1","1","1","4","1") = "8"
    & skf18("6","9","1","1","1","5","1") = "8"
    & skf18("6","9","1","1","1","6","1") = "8"
    & skf18("6","9","1","1","1","7","1") = "8"
    & skf18("6","9","1","1","1","8","1") = "8"
    & skf18("6","9","1","1","1","9","1") = "8"
    & skf18("6","9","1","1","1","10","1") = "9"
    & skf18("6","9","1","1","2","1","1") = "8"
    & skf18("6","9","1","1","2","2","1") = "8"
    & skf18("6","9","1","1","2","3","1") = "8"
    & skf18("6","9","1","1","2","4","1") = "8"
    & skf18("6","9","1","1","2","5","1") = "8"
    & skf18("6","9","1","1","2","6","1") = "8"
    & skf18("6","9","1","1","2","7","1") = "8"
    & skf18("6","9","1","1","2","8","1") = "8"
    & skf18("6","9","1","1","2","9","1") = "8"
    & skf18("6","9","1","1","2","10","1") = "9"
    & skf18("6","9","1","1","3","1","1") = "8"
    & skf18("6","9","1","1","3","2","1") = "8"
    & skf18("6","9","1","1","3","3","1") = "8"
    & skf18("6","9","1","1","3","4","1") = "8"
    & skf18("6","9","1","1","3","5","1") = "8"
    & skf18("6","9","1","1","3","6","1") = "8"
    & skf18("6","9","1","1","3","7","1") = "8"
    & skf18("6","9","1","1","3","8","1") = "8"
    & skf18("6","9","1","1","3","9","1") = "8"
    & skf18("6","9","1","1","3","10","1") = "9"
    & skf18("6","9","1","1","4","1","1") = "8"
    & skf18("6","9","1","1","4","2","1") = "8"
    & skf18("6","9","1","1","4","3","1") = "8"
    & skf18("6","9","1","1","4","4","1") = "8"
    & skf18("6","9","1","1","4","5","1") = "8"
    & skf18("6","9","1","1","4","6","1") = "8"
    & skf18("6","9","1","1","4","7","1") = "8"
    & skf18("6","9","1","1","4","8","1") = "8"
    & skf18("6","9","1","1","4","9","1") = "8"
    & skf18("6","9","1","1","4","10","1") = "9"
    & skf18("6","9","1","1","5","1","1") = "8"
    & skf18("6","9","1","1","5","2","1") = "8"
    & skf18("6","9","1","1","5","3","1") = "8"
    & skf18("6","9","1","1","5","4","1") = "8"
    & skf18("6","9","1","1","5","5","1") = "8"
    & skf18("6","9","1","1","5","6","1") = "8"
    & skf18("6","9","1","1","5","7","1") = "8"
    & skf18("6","9","1","1","5","8","1") = "8"
    & skf18("6","9","1","1","5","9","1") = "8"
    & skf18("6","9","1","1","5","10","1") = "9"
    & skf18("6","9","1","1","6","1","1") = "8"
    & skf18("6","9","1","1","6","2","1") = "8"
    & skf18("6","9","1","1","6","3","1") = "8"
    & skf18("6","9","1","1","6","4","1") = "8"
    & skf18("6","9","1","1","6","5","1") = "8"
    & skf18("6","9","1","1","6","6","1") = "8"
    & skf18("6","9","1","1","6","7","1") = "8"
    & skf18("6","9","1","1","6","8","1") = "8"
    & skf18("6","9","1","1","6","9","1") = "8"
    & skf18("6","9","1","1","6","10","1") = "9"
    & skf18("6","9","1","1","7","1","1") = "8"
    & skf18("6","9","1","1","7","2","1") = "8"
    & skf18("6","9","1","1","7","3","1") = "8"
    & skf18("6","9","1","1","7","4","1") = "8"
    & skf18("6","9","1","1","7","5","1") = "8"
    & skf18("6","9","1","1","7","6","1") = "8"
    & skf18("6","9","1","1","7","7","1") = "8"
    & skf18("6","9","1","1","7","8","1") = "8"
    & skf18("6","9","1","1","7","9","1") = "8"
    & skf18("6","9","1","1","7","10","1") = "9"
    & skf18("6","9","1","1","8","1","1") = "8"
    & skf18("6","9","1","1","8","2","1") = "8"
    & skf18("6","9","1","1","8","3","1") = "8"
    & skf18("6","9","1","1","8","4","1") = "8"
    & skf18("6","9","1","1","8","5","1") = "8"
    & skf18("6","9","1","1","8","6","1") = "8"
    & skf18("6","9","1","1","8","7","1") = "8"
    & skf18("6","9","1","1","8","8","1") = "8"
    & skf18("6","9","1","1","8","9","1") = "8"
    & skf18("6","9","1","1","8","10","1") = "9"
    & skf18("6","9","1","1","9","1","1") = "8"
    & skf18("6","9","1","1","9","2","1") = "8"
    & skf18("6","9","1","1","9","3","1") = "8"
    & skf18("6","9","1","1","9","4","1") = "8"
    & skf18("6","9","1","1","9","5","1") = "8"
    & skf18("6","9","1","1","9","6","1") = "8"
    & skf18("6","9","1","1","9","7","1") = "8"
    & skf18("6","9","1","1","9","8","1") = "8"
    & skf18("6","9","1","1","9","9","1") = "8"
    & skf18("6","9","1","1","9","10","1") = "9"
    & skf18("6","9","1","1","10","1","1") = "9"
    & skf18("6","9","1","1","10","2","1") = "9"
    & skf18("6","9","1","1","10","3","1") = "9"
    & skf18("6","9","1","1","10","4","1") = "9"
    & skf18("6","9","1","1","10","5","1") = "9"
    & skf18("6","9","1","1","10","6","1") = "9"
    & skf18("6","9","1","1","10","7","1") = "9"
    & skf18("6","9","1","1","10","8","1") = "9"
    & skf18("6","9","1","1","10","9","1") = "9"
    & skf18("6","9","1","1","10","10","1") = "9"
    & skf18("6","9","1","2","1","1","1") = "8"
    & skf18("6","9","1","2","1","2","1") = "8"
    & skf18("6","9","1","2","1","3","1") = "8"
    & skf18("6","9","1","2","1","4","1") = "8"
    & skf18("6","9","1","2","1","5","1") = "8"
    & skf18("6","9","1","2","1","6","1") = "8"
    & skf18("6","9","1","2","1","7","1") = "8"
    & skf18("6","9","1","2","1","8","1") = "8"
    & skf18("6","9","1","2","1","9","1") = "8"
    & skf18("6","9","1","2","1","10","1") = "9"
    & skf18("6","9","1","2","2","1","1") = "8"
    & skf18("6","9","1","2","2","2","1") = "8"
    & skf18("6","9","1","2","2","3","1") = "8"
    & skf18("6","9","1","2","2","4","1") = "8"
    & skf18("6","9","1","2","2","5","1") = "8"
    & skf18("6","9","1","2","2","6","1") = "8"
    & skf18("6","9","1","2","2","7","1") = "8"
    & skf18("6","9","1","2","2","8","1") = "8"
    & skf18("6","9","1","2","2","9","1") = "8"
    & skf18("6","9","1","2","2","10","1") = "9"
    & skf18("6","9","1","2","3","1","1") = "8"
    & skf18("6","9","1","2","3","2","1") = "8"
    & skf18("6","9","1","2","3","3","1") = "8"
    & skf18("6","9","1","2","3","4","1") = "8"
    & skf18("6","9","1","2","3","5","1") = "8"
    & skf18("6","9","1","2","3","6","1") = "8"
    & skf18("6","9","1","2","3","7","1") = "8"
    & skf18("6","9","1","2","3","8","1") = "8"
    & skf18("6","9","1","2","3","9","1") = "8"
    & skf18("6","9","1","2","3","10","1") = "9"
    & skf18("6","9","1","2","4","1","1") = "8"
    & skf18("6","9","1","2","4","2","1") = "8"
    & skf18("6","9","1","2","4","3","1") = "8"
    & skf18("6","9","1","2","4","4","1") = "8"
    & skf18("6","9","1","2","4","5","1") = "8"
    & skf18("6","9","1","2","4","6","1") = "8"
    & skf18("6","9","1","2","4","7","1") = "8"
    & skf18("6","9","1","2","4","8","1") = "8"
    & skf18("6","9","1","2","4","9","1") = "8"
    & skf18("6","9","1","2","4","10","1") = "9"
    & skf18("6","9","1","2","5","1","1") = "8"
    & skf18("6","9","1","2","5","2","1") = "8"
    & skf18("6","9","1","2","5","3","1") = "8"
    & skf18("6","9","1","2","5","4","1") = "8"
    & skf18("6","9","1","2","5","5","1") = "8"
    & skf18("6","9","1","2","5","6","1") = "8"
    & skf18("6","9","1","2","5","7","1") = "8"
    & skf18("6","9","1","2","5","8","1") = "8"
    & skf18("6","9","1","2","5","9","1") = "8"
    & skf18("6","9","1","2","5","10","1") = "9"
    & skf18("6","9","1","2","6","1","1") = "8"
    & skf18("6","9","1","2","6","2","1") = "8"
    & skf18("6","9","1","2","6","3","1") = "8"
    & skf18("6","9","1","2","6","4","1") = "8"
    & skf18("6","9","1","2","6","5","1") = "8"
    & skf18("6","9","1","2","6","6","1") = "8"
    & skf18("6","9","1","2","6","7","1") = "8"
    & skf18("6","9","1","2","6","8","1") = "8"
    & skf18("6","9","1","2","6","9","1") = "8"
    & skf18("6","9","1","2","6","10","1") = "9"
    & skf18("6","9","1","2","7","1","1") = "8"
    & skf18("6","9","1","2","7","2","1") = "8"
    & skf18("6","9","1","2","7","3","1") = "8"
    & skf18("6","9","1","2","7","4","1") = "8"
    & skf18("6","9","1","2","7","5","1") = "8"
    & skf18("6","9","1","2","7","6","1") = "8"
    & skf18("6","9","1","2","7","7","1") = "8"
    & skf18("6","9","1","2","7","8","1") = "8"
    & skf18("6","9","1","2","7","9","1") = "8"
    & skf18("6","9","1","2","7","10","1") = "9"
    & skf18("6","9","1","2","8","1","1") = "8"
    & skf18("6","9","1","2","8","2","1") = "8"
    & skf18("6","9","1","2","8","3","1") = "8"
    & skf18("6","9","1","2","8","4","1") = "8"
    & skf18("6","9","1","2","8","5","1") = "8"
    & skf18("6","9","1","2","8","6","1") = "8"
    & skf18("6","9","1","2","8","7","1") = "8"
    & skf18("6","9","1","2","8","8","1") = "8"
    & skf18("6","9","1","2","8","9","1") = "8"
    & skf18("6","9","1","2","8","10","1") = "9"
    & skf18("6","9","1","2","9","1","1") = "8"
    & skf18("6","9","1","2","9","2","1") = "8"
    & skf18("6","9","1","2","9","3","1") = "8"
    & skf18("6","9","1","2","9","4","1") = "8"
    & skf18("6","9","1","2","9","5","1") = "8"
    & skf18("6","9","1","2","9","6","1") = "8"
    & skf18("6","9","1","2","9","7","1") = "8"
    & skf18("6","9","1","2","9","8","1") = "8"
    & skf18("6","9","1","2","9","9","1") = "8"
    & skf18("6","9","1","2","9","10","1") = "9"
    & skf18("6","9","1","2","10","1","1") = "9"
    & skf18("6","9","1","2","10","2","1") = "9"
    & skf18("6","9","1","2","10","3","1") = "9"
    & skf18("6","9","1","2","10","4","1") = "9"
    & skf18("6","9","1","2","10","5","1") = "9"
    & skf18("6","9","1","2","10","6","1") = "9"
    & skf18("6","9","1","2","10","7","1") = "9"
    & skf18("6","9","1","2","10","8","1") = "9"
    & skf18("6","9","1","2","10","9","1") = "9"
    & skf18("6","9","1","2","10","10","1") = "9"
    & skf18("6","9","1","3","1","1","1") = "8"
    & skf18("6","9","1","3","1","2","1") = "8"
    & skf18("6","9","1","3","1","3","1") = "8"
    & skf18("6","9","1","3","1","4","1") = "8"
    & skf18("6","9","1","3","1","5","1") = "8"
    & skf18("6","9","1","3","1","6","1") = "8"
    & skf18("6","9","1","3","1","7","1") = "8"
    & skf18("6","9","1","3","1","8","1") = "8"
    & skf18("6","9","1","3","1","9","1") = "8"
    & skf18("6","9","1","3","1","10","1") = "9"
    & skf18("6","9","1","3","2","1","1") = "8"
    & skf18("6","9","1","3","2","2","1") = "8"
    & skf18("6","9","1","3","2","3","1") = "8"
    & skf18("6","9","1","3","2","4","1") = "8"
    & skf18("6","9","1","3","2","5","1") = "8"
    & skf18("6","9","1","3","2","6","1") = "8"
    & skf18("6","9","1","3","2","7","1") = "8"
    & skf18("6","9","1","3","2","8","1") = "8"
    & skf18("6","9","1","3","2","9","1") = "8"
    & skf18("6","9","1","3","2","10","1") = "9"
    & skf18("6","9","1","3","3","1","1") = "8"
    & skf18("6","9","1","3","3","2","1") = "8"
    & skf18("6","9","1","3","3","3","1") = "8"
    & skf18("6","9","1","3","3","4","1") = "8"
    & skf18("6","9","1","3","3","5","1") = "8"
    & skf18("6","9","1","3","3","6","1") = "8"
    & skf18("6","9","1","3","3","7","1") = "8"
    & skf18("6","9","1","3","3","8","1") = "8"
    & skf18("6","9","1","3","3","9","1") = "8"
    & skf18("6","9","1","3","3","10","1") = "9"
    & skf18("6","9","1","3","4","1","1") = "8"
    & skf18("6","9","1","3","4","2","1") = "8"
    & skf18("6","9","1","3","4","3","1") = "8"
    & skf18("6","9","1","3","4","4","1") = "8"
    & skf18("6","9","1","3","4","5","1") = "8"
    & skf18("6","9","1","3","4","6","1") = "8"
    & skf18("6","9","1","3","4","7","1") = "8"
    & skf18("6","9","1","3","4","8","1") = "8"
    & skf18("6","9","1","3","4","9","1") = "8"
    & skf18("6","9","1","3","4","10","1") = "9"
    & skf18("6","9","1","3","5","1","1") = "8"
    & skf18("6","9","1","3","5","2","1") = "8"
    & skf18("6","9","1","3","5","3","1") = "8"
    & skf18("6","9","1","3","5","4","1") = "8"
    & skf18("6","9","1","3","5","5","1") = "8"
    & skf18("6","9","1","3","5","6","1") = "8"
    & skf18("6","9","1","3","5","7","1") = "8"
    & skf18("6","9","1","3","5","8","1") = "8"
    & skf18("6","9","1","3","5","9","1") = "8"
    & skf18("6","9","1","3","5","10","1") = "9"
    & skf18("6","9","1","3","6","1","1") = "8"
    & skf18("6","9","1","3","6","2","1") = "8"
    & skf18("6","9","1","3","6","3","1") = "8"
    & skf18("6","9","1","3","6","4","1") = "8"
    & skf18("6","9","1","3","6","5","1") = "8"
    & skf18("6","9","1","3","6","6","1") = "8"
    & skf18("6","9","1","3","6","7","1") = "8"
    & skf18("6","9","1","3","6","8","1") = "8"
    & skf18("6","9","1","3","6","9","1") = "8"
    & skf18("6","9","1","3","6","10","1") = "9"
    & skf18("6","9","1","3","7","1","1") = "8"
    & skf18("6","9","1","3","7","2","1") = "8"
    & skf18("6","9","1","3","7","3","1") = "8"
    & skf18("6","9","1","3","7","4","1") = "8"
    & skf18("6","9","1","3","7","5","1") = "8"
    & skf18("6","9","1","3","7","6","1") = "8"
    & skf18("6","9","1","3","7","7","1") = "8"
    & skf18("6","9","1","3","7","8","1") = "8"
    & skf18("6","9","1","3","7","9","1") = "8"
    & skf18("6","9","1","3","7","10","1") = "9"
    & skf18("6","9","1","3","8","1","1") = "8"
    & skf18("6","9","1","3","8","2","1") = "8"
    & skf18("6","9","1","3","8","3","1") = "8"
    & skf18("6","9","1","3","8","4","1") = "8"
    & skf18("6","9","1","3","8","5","1") = "8"
    & skf18("6","9","1","3","8","6","1") = "8"
    & skf18("6","9","1","3","8","7","1") = "8"
    & skf18("6","9","1","3","8","8","1") = "8"
    & skf18("6","9","1","3","8","9","1") = "8"
    & skf18("6","9","1","3","8","10","1") = "9"
    & skf18("6","9","1","3","9","1","1") = "8"
    & skf18("6","9","1","3","9","2","1") = "8"
    & skf18("6","9","1","3","9","3","1") = "8"
    & skf18("6","9","1","3","9","4","1") = "8"
    & skf18("6","9","1","3","9","5","1") = "8"
    & skf18("6","9","1","3","9","6","1") = "8"
    & skf18("6","9","1","3","9","7","1") = "8"
    & skf18("6","9","1","3","9","8","1") = "8"
    & skf18("6","9","1","3","9","9","1") = "8"
    & skf18("6","9","1","3","9","10","1") = "9"
    & skf18("6","9","1","3","10","1","1") = "9"
    & skf18("6","9","1","3","10","2","1") = "9"
    & skf18("6","9","1","3","10","3","1") = "9"
    & skf18("6","9","1","3","10","4","1") = "9"
    & skf18("6","9","1","3","10","5","1") = "9"
    & skf18("6","9","1","3","10","6","1") = "9"
    & skf18("6","9","1","3","10","7","1") = "9"
    & skf18("6","9","1","3","10","8","1") = "9"
    & skf18("6","9","1","3","10","9","1") = "9"
    & skf18("6","9","1","3","10","10","1") = "9"
    & skf18("6","9","1","4","1","1","1") = "8"
    & skf18("6","9","1","4","1","2","1") = "8"
    & skf18("6","9","1","4","1","3","1") = "8"
    & skf18("6","9","1","4","1","4","1") = "8"
    & skf18("6","9","1","4","1","5","1") = "8"
    & skf18("6","9","1","4","1","6","1") = "8"
    & skf18("6","9","1","4","1","7","1") = "8"
    & skf18("6","9","1","4","1","8","1") = "8"
    & skf18("6","9","1","4","1","9","1") = "8"
    & skf18("6","9","1","4","1","10","1") = "9"
    & skf18("6","9","1","4","2","1","1") = "8"
    & skf18("6","9","1","4","2","2","1") = "8"
    & skf18("6","9","1","4","2","3","1") = "8"
    & skf18("6","9","1","4","2","4","1") = "8"
    & skf18("6","9","1","4","2","5","1") = "8"
    & skf18("6","9","1","4","2","6","1") = "8"
    & skf18("6","9","1","4","2","7","1") = "8"
    & skf18("6","9","1","4","2","8","1") = "8"
    & skf18("6","9","1","4","2","9","1") = "8"
    & skf18("6","9","1","4","2","10","1") = "9"
    & skf18("6","9","1","4","3","1","1") = "8"
    & skf18("6","9","1","4","3","2","1") = "8"
    & skf18("6","9","1","4","3","3","1") = "8"
    & skf18("6","9","1","4","3","4","1") = "8"
    & skf18("6","9","1","4","3","5","1") = "8"
    & skf18("6","9","1","4","3","6","1") = "8"
    & skf18("6","9","1","4","3","7","1") = "8"
    & skf18("6","9","1","4","3","8","1") = "8"
    & skf18("6","9","1","4","3","9","1") = "8"
    & skf18("6","9","1","4","3","10","1") = "9"
    & skf18("6","9","1","4","4","1","1") = "8"
    & skf18("6","9","1","4","4","2","1") = "8"
    & skf18("6","9","1","4","4","3","1") = "8"
    & skf18("6","9","1","4","4","4","1") = "8"
    & skf18("6","9","1","4","4","5","1") = "8"
    & skf18("6","9","1","4","4","6","1") = "8"
    & skf18("6","9","1","4","4","7","1") = "8"
    & skf18("6","9","1","4","4","8","1") = "8"
    & skf18("6","9","1","4","4","9","1") = "8"
    & skf18("6","9","1","4","4","10","1") = "9"
    & skf18("6","9","1","4","5","1","1") = "8"
    & skf18("6","9","1","4","5","2","1") = "8"
    & skf18("6","9","1","4","5","3","1") = "8"
    & skf18("6","9","1","4","5","4","1") = "8"
    & skf18("6","9","1","4","5","5","1") = "8"
    & skf18("6","9","1","4","5","6","1") = "8"
    & skf18("6","9","1","4","5","7","1") = "8"
    & skf18("6","9","1","4","5","8","1") = "8"
    & skf18("6","9","1","4","5","9","1") = "8"
    & skf18("6","9","1","4","5","10","1") = "9"
    & skf18("6","9","1","4","6","1","1") = "8"
    & skf18("6","9","1","4","6","2","1") = "8"
    & skf18("6","9","1","4","6","3","1") = "8"
    & skf18("6","9","1","4","6","4","1") = "8"
    & skf18("6","9","1","4","6","5","1") = "8"
    & skf18("6","9","1","4","6","6","1") = "8"
    & skf18("6","9","1","4","6","7","1") = "8"
    & skf18("6","9","1","4","6","8","1") = "8"
    & skf18("6","9","1","4","6","9","1") = "8"
    & skf18("6","9","1","4","6","10","1") = "9"
    & skf18("6","9","1","4","7","1","1") = "8"
    & skf18("6","9","1","4","7","2","1") = "8"
    & skf18("6","9","1","4","7","3","1") = "8"
    & skf18("6","9","1","4","7","4","1") = "8"
    & skf18("6","9","1","4","7","5","1") = "8"
    & skf18("6","9","1","4","7","6","1") = "8"
    & skf18("6","9","1","4","7","7","1") = "8"
    & skf18("6","9","1","4","7","8","1") = "8"
    & skf18("6","9","1","4","7","9","1") = "8"
    & skf18("6","9","1","4","7","10","1") = "9"
    & skf18("6","9","1","4","8","1","1") = "8"
    & skf18("6","9","1","4","8","2","1") = "8"
    & skf18("6","9","1","4","8","3","1") = "8"
    & skf18("6","9","1","4","8","4","1") = "8"
    & skf18("6","9","1","4","8","5","1") = "8"
    & skf18("6","9","1","4","8","6","1") = "8"
    & skf18("6","9","1","4","8","7","1") = "8"
    & skf18("6","9","1","4","8","8","1") = "8"
    & skf18("6","9","1","4","8","9","1") = "8"
    & skf18("6","9","1","4","8","10","1") = "9"
    & skf18("6","9","1","4","9","1","1") = "8"
    & skf18("6","9","1","4","9","2","1") = "8"
    & skf18("6","9","1","4","9","3","1") = "8"
    & skf18("6","9","1","4","9","4","1") = "8"
    & skf18("6","9","1","4","9","5","1") = "8"
    & skf18("6","9","1","4","9","6","1") = "8"
    & skf18("6","9","1","4","9","7","1") = "8"
    & skf18("6","9","1","4","9","8","1") = "8"
    & skf18("6","9","1","4","9","9","1") = "8"
    & skf18("6","9","1","4","9","10","1") = "9"
    & skf18("6","9","1","4","10","1","1") = "9"
    & skf18("6","9","1","4","10","2","1") = "9"
    & skf18("6","9","1","4","10","3","1") = "9"
    & skf18("6","9","1","4","10","4","1") = "9"
    & skf18("6","9","1","4","10","5","1") = "9"
    & skf18("6","9","1","4","10","6","1") = "9"
    & skf18("6","9","1","4","10","7","1") = "9"
    & skf18("6","9","1","4","10","8","1") = "9"
    & skf18("6","9","1","4","10","9","1") = "9"
    & skf18("6","9","1","4","10","10","1") = "9"
    & skf18("6","9","1","5","1","1","1") = "8"
    & skf18("6","9","1","5","1","2","1") = "8"
    & skf18("6","9","1","5","1","3","1") = "8"
    & skf18("6","9","1","5","1","4","1") = "8"
    & skf18("6","9","1","5","1","5","1") = "8"
    & skf18("6","9","1","5","1","6","1") = "8"
    & skf18("6","9","1","5","1","7","1") = "8"
    & skf18("6","9","1","5","1","8","1") = "8"
    & skf18("6","9","1","5","1","9","1") = "8"
    & skf18("6","9","1","5","1","10","1") = "9"
    & skf18("6","9","1","5","2","1","1") = "8"
    & skf18("6","9","1","5","2","2","1") = "8"
    & skf18("6","9","1","5","2","3","1") = "8"
    & skf18("6","9","1","5","2","4","1") = "8"
    & skf18("6","9","1","5","2","5","1") = "8"
    & skf18("6","9","1","5","2","6","1") = "8"
    & skf18("6","9","1","5","2","7","1") = "8"
    & skf18("6","9","1","5","2","8","1") = "8"
    & skf18("6","9","1","5","2","9","1") = "8"
    & skf18("6","9","1","5","2","10","1") = "9"
    & skf18("6","9","1","5","3","1","1") = "8"
    & skf18("6","9","1","5","3","2","1") = "8"
    & skf18("6","9","1","5","3","3","1") = "8"
    & skf18("6","9","1","5","3","4","1") = "8"
    & skf18("6","9","1","5","3","5","1") = "8"
    & skf18("6","9","1","5","3","6","1") = "8"
    & skf18("6","9","1","5","3","7","1") = "8"
    & skf18("6","9","1","5","3","8","1") = "8"
    & skf18("6","9","1","5","3","9","1") = "8"
    & skf18("6","9","1","5","3","10","1") = "9"
    & skf18("6","9","1","5","4","1","1") = "8"
    & skf18("6","9","1","5","4","2","1") = "8"
    & skf18("6","9","1","5","4","3","1") = "8"
    & skf18("6","9","1","5","4","4","1") = "8"
    & skf18("6","9","1","5","4","5","1") = "8"
    & skf18("6","9","1","5","4","6","1") = "8"
    & skf18("6","9","1","5","4","7","1") = "8"
    & skf18("6","9","1","5","4","8","1") = "8"
    & skf18("6","9","1","5","4","9","1") = "8"
    & skf18("6","9","1","5","4","10","1") = "9"
    & skf18("6","9","1","5","5","1","1") = "8"
    & skf18("6","9","1","5","5","2","1") = "8"
    & skf18("6","9","1","5","5","3","1") = "8"
    & skf18("6","9","1","5","5","4","1") = "8"
    & skf18("6","9","1","5","5","5","1") = "8"
    & skf18("6","9","1","5","5","6","1") = "8"
    & skf18("6","9","1","5","5","7","1") = "8"
    & skf18("6","9","1","5","5","8","1") = "8"
    & skf18("6","9","1","5","5","9","1") = "8"
    & skf18("6","9","1","5","5","10","1") = "9"
    & skf18("6","9","1","5","6","1","1") = "8"
    & skf18("6","9","1","5","6","2","1") = "8"
    & skf18("6","9","1","5","6","3","1") = "8"
    & skf18("6","9","1","5","6","4","1") = "8"
    & skf18("6","9","1","5","6","5","1") = "8"
    & skf18("6","9","1","5","6","6","1") = "8"
    & skf18("6","9","1","5","6","7","1") = "8"
    & skf18("6","9","1","5","6","8","1") = "8"
    & skf18("6","9","1","5","6","9","1") = "8"
    & skf18("6","9","1","5","6","10","1") = "9"
    & skf18("6","9","1","5","7","1","1") = "8"
    & skf18("6","9","1","5","7","2","1") = "8"
    & skf18("6","9","1","5","7","3","1") = "8"
    & skf18("6","9","1","5","7","4","1") = "8"
    & skf18("6","9","1","5","7","5","1") = "8"
    & skf18("6","9","1","5","7","6","1") = "8"
    & skf18("6","9","1","5","7","7","1") = "8"
    & skf18("6","9","1","5","7","8","1") = "8"
    & skf18("6","9","1","5","7","9","1") = "8"
    & skf18("6","9","1","5","7","10","1") = "9"
    & skf18("6","9","1","5","8","1","1") = "8"
    & skf18("6","9","1","5","8","2","1") = "8"
    & skf18("6","9","1","5","8","3","1") = "8"
    & skf18("6","9","1","5","8","4","1") = "8"
    & skf18("6","9","1","5","8","5","1") = "8"
    & skf18("6","9","1","5","8","6","1") = "8"
    & skf18("6","9","1","5","8","7","1") = "8"
    & skf18("6","9","1","5","8","8","1") = "8"
    & skf18("6","9","1","5","8","9","1") = "8"
    & skf18("6","9","1","5","8","10","1") = "9"
    & skf18("6","9","1","5","9","1","1") = "8"
    & skf18("6","9","1","5","9","2","1") = "8"
    & skf18("6","9","1","5","9","3","1") = "8"
    & skf18("6","9","1","5","9","4","1") = "8"
    & skf18("6","9","1","5","9","5","1") = "8"
    & skf18("6","9","1","5","9","6","1") = "8"
    & skf18("6","9","1","5","9","7","1") = "8"
    & skf18("6","9","1","5","9","8","1") = "8"
    & skf18("6","9","1","5","9","9","1") = "8"
    & skf18("6","9","1","5","9","10","1") = "9"
    & skf18("6","9","1","5","10","1","1") = "9"
    & skf18("6","9","1","5","10","2","1") = "9"
    & skf18("6","9","1","5","10","3","1") = "9"
    & skf18("6","9","1","5","10","4","1") = "9"
    & skf18("6","9","1","5","10","5","1") = "9"
    & skf18("6","9","1","5","10","6","1") = "9"
    & skf18("6","9","1","5","10","7","1") = "9"
    & skf18("6","9","1","5","10","8","1") = "9"
    & skf18("6","9","1","5","10","9","1") = "9"
    & skf18("6","9","1","5","10","10","1") = "9"
    & skf18("6","9","1","6","1","1","1") = "8"
    & skf18("6","9","1","6","1","2","1") = "8"
    & skf18("6","9","1","6","1","3","1") = "8"
    & skf18("6","9","1","6","1","4","1") = "8"
    & skf18("6","9","1","6","1","5","1") = "8"
    & skf18("6","9","1","6","1","6","1") = "8"
    & skf18("6","9","1","6","1","7","1") = "8"
    & skf18("6","9","1","6","1","8","1") = "8"
    & skf18("6","9","1","6","1","9","1") = "8"
    & skf18("6","9","1","6","1","10","1") = "9"
    & skf18("6","9","1","6","2","1","1") = "8"
    & skf18("6","9","1","6","2","2","1") = "8"
    & skf18("6","9","1","6","2","3","1") = "8"
    & skf18("6","9","1","6","2","4","1") = "8"
    & skf18("6","9","1","6","2","5","1") = "8"
    & skf18("6","9","1","6","2","6","1") = "8"
    & skf18("6","9","1","6","2","7","1") = "8"
    & skf18("6","9","1","6","2","8","1") = "8"
    & skf18("6","9","1","6","2","9","1") = "8"
    & skf18("6","9","1","6","2","10","1") = "9"
    & skf18("6","9","1","6","3","1","1") = "8"
    & skf18("6","9","1","6","3","2","1") = "8"
    & skf18("6","9","1","6","3","3","1") = "8"
    & skf18("6","9","1","6","3","4","1") = "8"
    & skf18("6","9","1","6","3","5","1") = "8"
    & skf18("6","9","1","6","3","6","1") = "8"
    & skf18("6","9","1","6","3","7","1") = "8"
    & skf18("6","9","1","6","3","8","1") = "8"
    & skf18("6","9","1","6","3","9","1") = "8"
    & skf18("6","9","1","6","3","10","1") = "9"
    & skf18("6","9","1","6","4","1","1") = "8"
    & skf18("6","9","1","6","4","2","1") = "8"
    & skf18("6","9","1","6","4","3","1") = "8"
    & skf18("6","9","1","6","4","4","1") = "8"
    & skf18("6","9","1","6","4","5","1") = "8"
    & skf18("6","9","1","6","4","6","1") = "8"
    & skf18("6","9","1","6","4","7","1") = "8"
    & skf18("6","9","1","6","4","8","1") = "8"
    & skf18("6","9","1","6","4","9","1") = "8"
    & skf18("6","9","1","6","4","10","1") = "9"
    & skf18("6","9","1","6","5","1","1") = "8"
    & skf18("6","9","1","6","5","2","1") = "8"
    & skf18("6","9","1","6","5","3","1") = "8"
    & skf18("6","9","1","6","5","4","1") = "8"
    & skf18("6","9","1","6","5","5","1") = "8"
    & skf18("6","9","1","6","5","6","1") = "8"
    & skf18("6","9","1","6","5","7","1") = "8"
    & skf18("6","9","1","6","5","8","1") = "8"
    & skf18("6","9","1","6","5","9","1") = "8"
    & skf18("6","9","1","6","5","10","1") = "9"
    & skf18("6","9","1","6","6","1","1") = "8"
    & skf18("6","9","1","6","6","2","1") = "8"
    & skf18("6","9","1","6","6","3","1") = "8"
    & skf18("6","9","1","6","6","4","1") = "8"
    & skf18("6","9","1","6","6","5","1") = "8"
    & skf18("6","9","1","6","6","6","1") = "8"
    & skf18("6","9","1","6","6","7","1") = "8"
    & skf18("6","9","1","6","6","8","1") = "8"
    & skf18("6","9","1","6","6","9","1") = "8"
    & skf18("6","9","1","6","6","10","1") = "9"
    & skf18("6","9","1","6","7","1","1") = "8"
    & skf18("6","9","1","6","7","2","1") = "8"
    & skf18("6","9","1","6","7","3","1") = "8"
    & skf18("6","9","1","6","7","4","1") = "8"
    & skf18("6","9","1","6","7","5","1") = "8"
    & skf18("6","9","1","6","7","6","1") = "8"
    & skf18("6","9","1","6","7","7","1") = "8"
    & skf18("6","9","1","6","7","8","1") = "8"
    & skf18("6","9","1","6","7","9","1") = "8"
    & skf18("6","9","1","6","7","10","1") = "9"
    & skf18("6","9","1","6","8","1","1") = "8"
    & skf18("6","9","1","6","8","2","1") = "8"
    & skf18("6","9","1","6","8","3","1") = "8"
    & skf18("6","9","1","6","8","4","1") = "8"
    & skf18("6","9","1","6","8","5","1") = "8"
    & skf18("6","9","1","6","8","6","1") = "8"
    & skf18("6","9","1","6","8","7","1") = "8"
    & skf18("6","9","1","6","8","8","1") = "8"
    & skf18("6","9","1","6","8","9","1") = "8"
    & skf18("6","9","1","6","8","10","1") = "9"
    & skf18("6","9","1","6","9","1","1") = "8"
    & skf18("6","9","1","6","9","2","1") = "8"
    & skf18("6","9","1","6","9","3","1") = "8"
    & skf18("6","9","1","6","9","4","1") = "8"
    & skf18("6","9","1","6","9","5","1") = "8"
    & skf18("6","9","1","6","9","6","1") = "8"
    & skf18("6","9","1","6","9","7","1") = "8"
    & skf18("6","9","1","6","9","8","1") = "8"
    & skf18("6","9","1","6","9","9","1") = "8"
    & skf18("6","9","1","6","9","10","1") = "9"
    & skf18("6","9","1","6","10","1","1") = "9"
    & skf18("6","9","1","6","10","2","1") = "9"
    & skf18("6","9","1","6","10","3","1") = "9"
    & skf18("6","9","1","6","10","4","1") = "9"
    & skf18("6","9","1","6","10","5","1") = "9"
    & skf18("6","9","1","6","10","6","1") = "9"
    & skf18("6","9","1","6","10","7","1") = "9"
    & skf18("6","9","1","6","10","8","1") = "9"
    & skf18("6","9","1","6","10","9","1") = "9"
    & skf18("6","9","1","6","10","10","1") = "9"
    & skf18("6","9","1","7","1","1","1") = "8"
    & skf18("6","9","1","7","1","2","1") = "8"
    & skf18("6","9","1","7","1","3","1") = "8"
    & skf18("6","9","1","7","1","4","1") = "8"
    & skf18("6","9","1","7","1","5","1") = "8"
    & skf18("6","9","1","7","1","6","1") = "8"
    & skf18("6","9","1","7","1","7","1") = "8"
    & skf18("6","9","1","7","1","8","1") = "8"
    & skf18("6","9","1","7","1","9","1") = "8"
    & skf18("6","9","1","7","1","10","1") = "9"
    & skf18("6","9","1","7","2","1","1") = "8"
    & skf18("6","9","1","7","2","2","1") = "8"
    & skf18("6","9","1","7","2","3","1") = "8"
    & skf18("6","9","1","7","2","4","1") = "8"
    & skf18("6","9","1","7","2","5","1") = "8"
    & skf18("6","9","1","7","2","6","1") = "8"
    & skf18("6","9","1","7","2","7","1") = "8"
    & skf18("6","9","1","7","2","8","1") = "8"
    & skf18("6","9","1","7","2","9","1") = "8"
    & skf18("6","9","1","7","2","10","1") = "9"
    & skf18("6","9","1","7","3","1","1") = "8"
    & skf18("6","9","1","7","3","2","1") = "8"
    & skf18("6","9","1","7","3","3","1") = "8"
    & skf18("6","9","1","7","3","4","1") = "8"
    & skf18("6","9","1","7","3","5","1") = "8"
    & skf18("6","9","1","7","3","6","1") = "8"
    & skf18("6","9","1","7","3","7","1") = "8"
    & skf18("6","9","1","7","3","8","1") = "8"
    & skf18("6","9","1","7","3","9","1") = "8"
    & skf18("6","9","1","7","3","10","1") = "9"
    & skf18("6","9","1","7","4","1","1") = "8"
    & skf18("6","9","1","7","4","2","1") = "8"
    & skf18("6","9","1","7","4","3","1") = "8"
    & skf18("6","9","1","7","4","4","1") = "8"
    & skf18("6","9","1","7","4","5","1") = "8"
    & skf18("6","9","1","7","4","6","1") = "8"
    & skf18("6","9","1","7","4","7","1") = "8"
    & skf18("6","9","1","7","4","8","1") = "8"
    & skf18("6","9","1","7","4","9","1") = "8"
    & skf18("6","9","1","7","4","10","1") = "9"
    & skf18("6","9","1","7","5","1","1") = "8"
    & skf18("6","9","1","7","5","2","1") = "8"
    & skf18("6","9","1","7","5","3","1") = "8"
    & skf18("6","9","1","7","5","4","1") = "8"
    & skf18("6","9","1","7","5","5","1") = "8"
    & skf18("6","9","1","7","5","6","1") = "8"
    & skf18("6","9","1","7","5","7","1") = "8"
    & skf18("6","9","1","7","5","8","1") = "8"
    & skf18("6","9","1","7","5","9","1") = "8"
    & skf18("6","9","1","7","5","10","1") = "9"
    & skf18("6","9","1","7","6","1","1") = "8"
    & skf18("6","9","1","7","6","2","1") = "8"
    & skf18("6","9","1","7","6","3","1") = "8"
    & skf18("6","9","1","7","6","4","1") = "8"
    & skf18("6","9","1","7","6","5","1") = "8"
    & skf18("6","9","1","7","6","6","1") = "8"
    & skf18("6","9","1","7","6","7","1") = "8"
    & skf18("6","9","1","7","6","8","1") = "8"
    & skf18("6","9","1","7","6","9","1") = "8"
    & skf18("6","9","1","7","6","10","1") = "9"
    & skf18("6","9","1","7","7","1","1") = "8"
    & skf18("6","9","1","7","7","2","1") = "8"
    & skf18("6","9","1","7","7","3","1") = "8"
    & skf18("6","9","1","7","7","4","1") = "8"
    & skf18("6","9","1","7","7","5","1") = "8"
    & skf18("6","9","1","7","7","6","1") = "8"
    & skf18("6","9","1","7","7","7","1") = "8"
    & skf18("6","9","1","7","7","8","1") = "8"
    & skf18("6","9","1","7","7","9","1") = "8"
    & skf18("6","9","1","7","7","10","1") = "9"
    & skf18("6","9","1","7","8","1","1") = "8"
    & skf18("6","9","1","7","8","2","1") = "8"
    & skf18("6","9","1","7","8","3","1") = "8"
    & skf18("6","9","1","7","8","4","1") = "8"
    & skf18("6","9","1","7","8","5","1") = "8"
    & skf18("6","9","1","7","8","6","1") = "8"
    & skf18("6","9","1","7","8","7","1") = "8"
    & skf18("6","9","1","7","8","8","1") = "8"
    & skf18("6","9","1","7","8","9","1") = "8"
    & skf18("6","9","1","7","8","10","1") = "9"
    & skf18("6","9","1","7","9","1","1") = "8"
    & skf18("6","9","1","7","9","2","1") = "8"
    & skf18("6","9","1","7","9","3","1") = "8"
    & skf18("6","9","1","7","9","4","1") = "8"
    & skf18("6","9","1","7","9","5","1") = "8"
    & skf18("6","9","1","7","9","6","1") = "8"
    & skf18("6","9","1","7","9","7","1") = "8"
    & skf18("6","9","1","7","9","8","1") = "8"
    & skf18("6","9","1","7","9","9","1") = "8"
    & skf18("6","9","1","7","9","10","1") = "9"
    & skf18("6","9","1","7","10","1","1") = "9"
    & skf18("6","9","1","7","10","2","1") = "9"
    & skf18("6","9","1","7","10","3","1") = "9"
    & skf18("6","9","1","7","10","4","1") = "9"
    & skf18("6","9","1","7","10","5","1") = "9"
    & skf18("6","9","1","7","10","6","1") = "9"
    & skf18("6","9","1","7","10","7","1") = "9"
    & skf18("6","9","1","7","10","8","1") = "9"
    & skf18("6","9","1","7","10","9","1") = "9"
    & skf18("6","9","1","7","10","10","1") = "9"
    & skf18("6","9","1","8","1","1","1") = "8"
    & skf18("6","9","1","8","1","2","1") = "8"
    & skf18("6","9","1","8","1","3","1") = "8"
    & skf18("6","9","1","8","1","4","1") = "8"
    & skf18("6","9","1","8","1","5","1") = "8"
    & skf18("6","9","1","8","1","6","1") = "8"
    & skf18("6","9","1","8","1","7","1") = "8"
    & skf18("6","9","1","8","1","8","1") = "8"
    & skf18("6","9","1","8","1","9","1") = "8"
    & skf18("6","9","1","8","1","10","1") = "9"
    & skf18("6","9","1","8","2","1","1") = "8"
    & skf18("6","9","1","8","2","2","1") = "8"
    & skf18("6","9","1","8","2","3","1") = "8"
    & skf18("6","9","1","8","2","4","1") = "8"
    & skf18("6","9","1","8","2","5","1") = "8"
    & skf18("6","9","1","8","2","6","1") = "8"
    & skf18("6","9","1","8","2","7","1") = "8"
    & skf18("6","9","1","8","2","8","1") = "8"
    & skf18("6","9","1","8","2","9","1") = "8"
    & skf18("6","9","1","8","2","10","1") = "9"
    & skf18("6","9","1","8","3","1","1") = "8"
    & skf18("6","9","1","8","3","2","1") = "8"
    & skf18("6","9","1","8","3","3","1") = "8"
    & skf18("6","9","1","8","3","4","1") = "8"
    & skf18("6","9","1","8","3","5","1") = "8"
    & skf18("6","9","1","8","3","6","1") = "8"
    & skf18("6","9","1","8","3","7","1") = "8"
    & skf18("6","9","1","8","3","8","1") = "8"
    & skf18("6","9","1","8","3","9","1") = "8"
    & skf18("6","9","1","8","3","10","1") = "9"
    & skf18("6","9","1","8","4","1","1") = "8"
    & skf18("6","9","1","8","4","2","1") = "8"
    & skf18("6","9","1","8","4","3","1") = "8"
    & skf18("6","9","1","8","4","4","1") = "8"
    & skf18("6","9","1","8","4","5","1") = "8"
    & skf18("6","9","1","8","4","6","1") = "8"
    & skf18("6","9","1","8","4","7","1") = "8"
    & skf18("6","9","1","8","4","8","1") = "8"
    & skf18("6","9","1","8","4","9","1") = "8"
    & skf18("6","9","1","8","4","10","1") = "9"
    & skf18("6","9","1","8","5","1","1") = "8"
    & skf18("6","9","1","8","5","2","1") = "8"
    & skf18("6","9","1","8","5","3","1") = "8"
    & skf18("6","9","1","8","5","4","1") = "8"
    & skf18("6","9","1","8","5","5","1") = "8"
    & skf18("6","9","1","8","5","6","1") = "8"
    & skf18("6","9","1","8","5","7","1") = "8"
    & skf18("6","9","1","8","5","8","1") = "8"
    & skf18("6","9","1","8","5","9","1") = "8"
    & skf18("6","9","1","8","5","10","1") = "9"
    & skf18("6","9","1","8","6","1","1") = "8"
    & skf18("6","9","1","8","6","2","1") = "8"
    & skf18("6","9","1","8","6","3","1") = "8"
    & skf18("6","9","1","8","6","4","1") = "8"
    & skf18("6","9","1","8","6","5","1") = "8"
    & skf18("6","9","1","8","6","6","1") = "8"
    & skf18("6","9","1","8","6","7","1") = "8"
    & skf18("6","9","1","8","6","8","1") = "8"
    & skf18("6","9","1","8","6","9","1") = "8"
    & skf18("6","9","1","8","6","10","1") = "9"
    & skf18("6","9","1","8","7","1","1") = "8"
    & skf18("6","9","1","8","7","2","1") = "8"
    & skf18("6","9","1","8","7","3","1") = "8"
    & skf18("6","9","1","8","7","4","1") = "8"
    & skf18("6","9","1","8","7","5","1") = "8"
    & skf18("6","9","1","8","7","6","1") = "8"
    & skf18("6","9","1","8","7","7","1") = "8"
    & skf18("6","9","1","8","7","8","1") = "8"
    & skf18("6","9","1","8","7","9","1") = "8"
    & skf18("6","9","1","8","7","10","1") = "9"
    & skf18("6","9","1","8","8","1","1") = "8"
    & skf18("6","9","1","8","8","2","1") = "8"
    & skf18("6","9","1","8","8","3","1") = "8"
    & skf18("6","9","1","8","8","4","1") = "8"
    & skf18("6","9","1","8","8","5","1") = "8"
    & skf18("6","9","1","8","8","6","1") = "8"
    & skf18("6","9","1","8","8","7","1") = "8"
    & skf18("6","9","1","8","8","8","1") = "8"
    & skf18("6","9","1","8","8","9","1") = "8"
    & skf18("6","9","1","8","8","10","1") = "9"
    & skf18("6","9","1","8","9","1","1") = "8"
    & skf18("6","9","1","8","9","2","1") = "8"
    & skf18("6","9","1","8","9","3","1") = "8"
    & skf18("6","9","1","8","9","4","1") = "8"
    & skf18("6","9","1","8","9","5","1") = "8"
    & skf18("6","9","1","8","9","6","1") = "8"
    & skf18("6","9","1","8","9","7","1") = "8"
    & skf18("6","9","1","8","9","8","1") = "8"
    & skf18("6","9","1","8","9","9","1") = "8"
    & skf18("6","9","1","8","9","10","1") = "9"
    & skf18("6","9","1","8","10","1","1") = "9"
    & skf18("6","9","1","8","10","2","1") = "9"
    & skf18("6","9","1","8","10","3","1") = "9"
    & skf18("6","9","1","8","10","4","1") = "9"
    & skf18("6","9","1","8","10","5","1") = "9"
    & skf18("6","9","1","8","10","6","1") = "9"
    & skf18("6","9","1","8","10","7","1") = "9"
    & skf18("6","9","1","8","10","8","1") = "9"
    & skf18("6","9","1","8","10","9","1") = "9"
    & skf18("6","9","1","8","10","10","1") = "9"
    & skf18("6","9","1","9","1","1","1") = "8"
    & skf18("6","9","1","9","1","2","1") = "8"
    & skf18("6","9","1","9","1","3","1") = "8"
    & skf18("6","9","1","9","1","4","1") = "8"
    & skf18("6","9","1","9","1","5","1") = "8"
    & skf18("6","9","1","9","1","6","1") = "8"
    & skf18("6","9","1","9","1","7","1") = "8"
    & skf18("6","9","1","9","1","8","1") = "8"
    & skf18("6","9","1","9","1","9","1") = "8"
    & skf18("6","9","1","9","1","10","1") = "9"
    & skf18("6","9","1","9","2","1","1") = "8"
    & skf18("6","9","1","9","2","2","1") = "8"
    & skf18("6","9","1","9","2","3","1") = "8"
    & skf18("6","9","1","9","2","4","1") = "8"
    & skf18("6","9","1","9","2","5","1") = "8"
    & skf18("6","9","1","9","2","6","1") = "8"
    & skf18("6","9","1","9","2","7","1") = "8"
    & skf18("6","9","1","9","2","8","1") = "8"
    & skf18("6","9","1","9","2","9","1") = "8"
    & skf18("6","9","1","9","2","10","1") = "9"
    & skf18("6","9","1","9","3","1","1") = "8"
    & skf18("6","9","1","9","3","2","1") = "8"
    & skf18("6","9","1","9","3","3","1") = "8"
    & skf18("6","9","1","9","3","4","1") = "8"
    & skf18("6","9","1","9","3","5","1") = "8"
    & skf18("6","9","1","9","3","6","1") = "8"
    & skf18("6","9","1","9","3","7","1") = "8"
    & skf18("6","9","1","9","3","8","1") = "8"
    & skf18("6","9","1","9","3","9","1") = "8"
    & skf18("6","9","1","9","3","10","1") = "9"
    & skf18("6","9","1","9","4","1","1") = "8"
    & skf18("6","9","1","9","4","2","1") = "8"
    & skf18("6","9","1","9","4","3","1") = "8"
    & skf18("6","9","1","9","4","4","1") = "8"
    & skf18("6","9","1","9","4","5","1") = "8"
    & skf18("6","9","1","9","4","6","1") = "8"
    & skf18("6","9","1","9","4","7","1") = "8"
    & skf18("6","9","1","9","4","8","1") = "8"
    & skf18("6","9","1","9","4","9","1") = "8"
    & skf18("6","9","1","9","4","10","1") = "9"
    & skf18("6","9","1","9","5","1","1") = "8"
    & skf18("6","9","1","9","5","2","1") = "8"
    & skf18("6","9","1","9","5","3","1") = "8"
    & skf18("6","9","1","9","5","4","1") = "8"
    & skf18("6","9","1","9","5","5","1") = "8"
    & skf18("6","9","1","9","5","6","1") = "8"
    & skf18("6","9","1","9","5","7","1") = "8"
    & skf18("6","9","1","9","5","8","1") = "8"
    & skf18("6","9","1","9","5","9","1") = "8"
    & skf18("6","9","1","9","5","10","1") = "9"
    & skf18("6","9","1","9","6","1","1") = "8"
    & skf18("6","9","1","9","6","2","1") = "8"
    & skf18("6","9","1","9","6","3","1") = "8"
    & skf18("6","9","1","9","6","4","1") = "8"
    & skf18("6","9","1","9","6","5","1") = "8"
    & skf18("6","9","1","9","6","6","1") = "8"
    & skf18("6","9","1","9","6","7","1") = "8"
    & skf18("6","9","1","9","6","8","1") = "8"
    & skf18("6","9","1","9","6","9","1") = "8"
    & skf18("6","9","1","9","6","10","1") = "9"
    & skf18("6","9","1","9","7","1","1") = "8"
    & skf18("6","9","1","9","7","2","1") = "8"
    & skf18("6","9","1","9","7","3","1") = "8"
    & skf18("6","9","1","9","7","4","1") = "8"
    & skf18("6","9","1","9","7","5","1") = "8"
    & skf18("6","9","1","9","7","6","1") = "8"
    & skf18("6","9","1","9","7","7","1") = "8"
    & skf18("6","9","1","9","7","8","1") = "8"
    & skf18("6","9","1","9","7","9","1") = "8"
    & skf18("6","9","1","9","7","10","1") = "9"
    & skf18("6","9","1","9","8","1","1") = "8"
    & skf18("6","9","1","9","8","2","1") = "8"
    & skf18("6","9","1","9","8","3","1") = "8"
    & skf18("6","9","1","9","8","4","1") = "8"
    & skf18("6","9","1","9","8","5","1") = "8"
    & skf18("6","9","1","9","8","6","1") = "8"
    & skf18("6","9","1","9","8","7","1") = "8"
    & skf18("6","9","1","9","8","8","1") = "8"
    & skf18("6","9","1","9","8","9","1") = "8"
    & skf18("6","9","1","9","8","10","1") = "9"
    & skf18("6","9","1","9","9","1","1") = "8"
    & skf18("6","9","1","9","9","2","1") = "8"
    & skf18("6","9","1","9","9","3","1") = "8"
    & skf18("6","9","1","9","9","4","1") = "8"
    & skf18("6","9","1","9","9","5","1") = "8"
    & skf18("6","9","1","9","9","6","1") = "8"
    & skf18("6","9","1","9","9","7","1") = "8"
    & skf18("6","9","1","9","9","8","1") = "8"
    & skf18("6","9","1","9","9","9","1") = "8"
    & skf18("6","9","1","9","9","10","1") = "9"
    & skf18("6","9","1","9","10","1","1") = "9"
    & skf18("6","9","1","9","10","2","1") = "9"
    & skf18("6","9","1","9","10","3","1") = "9"
    & skf18("6","9","1","9","10","4","1") = "9"
    & skf18("6","9","1","9","10","5","1") = "9"
    & skf18("6","9","1","9","10","6","1") = "9"
    & skf18("6","9","1","9","10","7","1") = "9"
    & skf18("6","9","1","9","10","8","1") = "9"
    & skf18("6","9","1","9","10","9","1") = "9"
    & skf18("6","9","1","9","10","10","1") = "9"
    & skf18("6","9","1","10","1","1","1") = "9"
    & skf18("6","9","1","10","1","2","1") = "9"
    & skf18("6","9","1","10","1","3","1") = "9"
    & skf18("6","9","1","10","1","4","1") = "9"
    & skf18("6","9","1","10","1","5","1") = "9"
    & skf18("6","9","1","10","1","6","1") = "9"
    & skf18("6","9","1","10","1","7","1") = "9"
    & skf18("6","9","1","10","1","8","1") = "9"
    & skf18("6","9","1","10","1","9","1") = "9"
    & skf18("6","9","1","10","1","10","1") = "9"
    & skf18("6","9","1","10","2","1","1") = "9"
    & skf18("6","9","1","10","2","2","1") = "9"
    & skf18("6","9","1","10","2","3","1") = "9"
    & skf18("6","9","1","10","2","4","1") = "9"
    & skf18("6","9","1","10","2","5","1") = "9"
    & skf18("6","9","1","10","2","6","1") = "9"
    & skf18("6","9","1","10","2","7","1") = "9"
    & skf18("6","9","1","10","2","8","1") = "9"
    & skf18("6","9","1","10","2","9","1") = "9"
    & skf18("6","9","1","10","2","10","1") = "9"
    & skf18("6","9","1","10","3","1","1") = "9"
    & skf18("6","9","1","10","3","2","1") = "9"
    & skf18("6","9","1","10","3","3","1") = "9"
    & skf18("6","9","1","10","3","4","1") = "9"
    & skf18("6","9","1","10","3","5","1") = "9"
    & skf18("6","9","1","10","3","6","1") = "9"
    & skf18("6","9","1","10","3","7","1") = "9"
    & skf18("6","9","1","10","3","8","1") = "9"
    & skf18("6","9","1","10","3","9","1") = "9"
    & skf18("6","9","1","10","3","10","1") = "9"
    & skf18("6","9","1","10","4","1","1") = "9"
    & skf18("6","9","1","10","4","2","1") = "9"
    & skf18("6","9","1","10","4","3","1") = "9"
    & skf18("6","9","1","10","4","4","1") = "9"
    & skf18("6","9","1","10","4","5","1") = "9"
    & skf18("6","9","1","10","4","6","1") = "9"
    & skf18("6","9","1","10","4","7","1") = "9"
    & skf18("6","9","1","10","4","8","1") = "9"
    & skf18("6","9","1","10","4","9","1") = "9"
    & skf18("6","9","1","10","4","10","1") = "9"
    & skf18("6","9","1","10","5","1","1") = "9"
    & skf18("6","9","1","10","5","2","1") = "9"
    & skf18("6","9","1","10","5","3","1") = "9"
    & skf18("6","9","1","10","5","4","1") = "9"
    & skf18("6","9","1","10","5","5","1") = "9"
    & skf18("6","9","1","10","5","6","1") = "9"
    & skf18("6","9","1","10","5","7","1") = "9"
    & skf18("6","9","1","10","5","8","1") = "9"
    & skf18("6","9","1","10","5","9","1") = "9"
    & skf18("6","9","1","10","5","10","1") = "9"
    & skf18("6","9","1","10","6","1","1") = "9"
    & skf18("6","9","1","10","6","2","1") = "9"
    & skf18("6","9","1","10","6","3","1") = "9"
    & skf18("6","9","1","10","6","4","1") = "9"
    & skf18("6","9","1","10","6","5","1") = "9"
    & skf18("6","9","1","10","6","6","1") = "9"
    & skf18("6","9","1","10","6","7","1") = "9"
    & skf18("6","9","1","10","6","8","1") = "9"
    & skf18("6","9","1","10","6","9","1") = "9"
    & skf18("6","9","1","10","6","10","1") = "9"
    & skf18("6","9","1","10","7","1","1") = "9"
    & skf18("6","9","1","10","7","2","1") = "9"
    & skf18("6","9","1","10","7","3","1") = "9"
    & skf18("6","9","1","10","7","4","1") = "9"
    & skf18("6","9","1","10","7","5","1") = "9"
    & skf18("6","9","1","10","7","6","1") = "9"
    & skf18("6","9","1","10","7","7","1") = "9"
    & skf18("6","9","1","10","7","8","1") = "9"
    & skf18("6","9","1","10","7","9","1") = "9"
    & skf18("6","9","1","10","7","10","1") = "9"
    & skf18("6","9","1","10","8","1","1") = "9"
    & skf18("6","9","1","10","8","2","1") = "9"
    & skf18("6","9","1","10","8","3","1") = "9"
    & skf18("6","9","1","10","8","4","1") = "9"
    & skf18("6","9","1","10","8","5","1") = "9"
    & skf18("6","9","1","10","8","6","1") = "9"
    & skf18("6","9","1","10","8","7","1") = "9"
    & skf18("6","9","1","10","8","8","1") = "9"
    & skf18("6","9","1","10","8","9","1") = "9"
    & skf18("6","9","1","10","8","10","1") = "9"
    & skf18("6","9","1","10","9","1","1") = "9"
    & skf18("6","9","1","10","9","2","1") = "9"
    & skf18("6","9","1","10","9","3","1") = "9"
    & skf18("6","9","1","10","9","4","1") = "9"
    & skf18("6","9","1","10","9","5","1") = "9"
    & skf18("6","9","1","10","9","6","1") = "9"
    & skf18("6","9","1","10","9","7","1") = "9"
    & skf18("6","9","1","10","9","8","1") = "9"
    & skf18("6","9","1","10","9","9","1") = "9"
    & skf18("6","9","1","10","9","10","1") = "9"
    & skf18("6","9","1","10","10","1","1") = "9"
    & skf18("6","9","1","10","10","2","1") = "9"
    & skf18("6","9","1","10","10","3","1") = "9"
    & skf18("6","9","1","10","10","4","1") = "9"
    & skf18("6","9","1","10","10","5","1") = "9"
    & skf18("6","9","1","10","10","6","1") = "9"
    & skf18("6","9","1","10","10","7","1") = "9"
    & skf18("6","9","1","10","10","8","1") = "9"
    & skf18("6","9","1","10","10","9","1") = "9"
    & skf18("6","9","1","10","10","10","1") = "9"
    & skf18("6","9","2","1","1","1","1") = "8"
    & skf18("6","9","2","1","1","2","1") = "8"
    & skf18("6","9","2","1","1","3","1") = "8"
    & skf18("6","9","2","1","1","4","1") = "8"
    & skf18("6","9","2","1","1","5","1") = "8"
    & skf18("6","9","2","1","1","6","1") = "8"
    & skf18("6","9","2","1","1","7","1") = "8"
    & skf18("6","9","2","1","1","8","1") = "8"
    & skf18("6","9","2","1","1","9","1") = "8"
    & skf18("6","9","2","1","1","10","1") = "9"
    & skf18("6","9","2","1","2","1","1") = "8"
    & skf18("6","9","2","1","2","2","1") = "8"
    & skf18("6","9","2","1","2","3","1") = "8"
    & skf18("6","9","2","1","2","4","1") = "8"
    & skf18("6","9","2","1","2","5","1") = "8"
    & skf18("6","9","2","1","2","6","1") = "8"
    & skf18("6","9","2","1","2","7","1") = "8"
    & skf18("6","9","2","1","2","8","1") = "8"
    & skf18("6","9","2","1","2","9","1") = "8"
    & skf18("6","9","2","1","2","10","1") = "9"
    & skf18("6","9","2","1","3","1","1") = "8"
    & skf18("6","9","2","1","3","2","1") = "8"
    & skf18("6","9","2","1","3","3","1") = "8"
    & skf18("6","9","2","1","3","4","1") = "8"
    & skf18("6","9","2","1","3","5","1") = "8"
    & skf18("6","9","2","1","3","6","1") = "8"
    & skf18("6","9","2","1","3","7","1") = "8"
    & skf18("6","9","2","1","3","8","1") = "8"
    & skf18("6","9","2","1","3","9","1") = "8"
    & skf18("6","9","2","1","3","10","1") = "9"
    & skf18("6","9","2","1","4","1","1") = "8"
    & skf18("6","9","2","1","4","2","1") = "8"
    & skf18("6","9","2","1","4","3","1") = "8"
    & skf18("6","9","2","1","4","4","1") = "8"
    & skf18("6","9","2","1","4","5","1") = "8"
    & skf18("6","9","2","1","4","6","1") = "8"
    & skf18("6","9","2","1","4","7","1") = "8"
    & skf18("6","9","2","1","4","8","1") = "8"
    & skf18("6","9","2","1","4","9","1") = "8"
    & skf18("6","9","2","1","4","10","1") = "9"
    & skf18("6","9","2","1","5","1","1") = "8"
    & skf18("6","9","2","1","5","2","1") = "8"
    & skf18("6","9","2","1","5","3","1") = "8"
    & skf18("6","9","2","1","5","4","1") = "8"
    & skf18("6","9","2","1","5","5","1") = "8"
    & skf18("6","9","2","1","5","6","1") = "8"
    & skf18("6","9","2","1","5","7","1") = "8"
    & skf18("6","9","2","1","5","8","1") = "8"
    & skf18("6","9","2","1","5","9","1") = "8"
    & skf18("6","9","2","1","5","10","1") = "9"
    & skf18("6","9","2","1","6","1","1") = "8"
    & skf18("6","9","2","1","6","2","1") = "8"
    & skf18("6","9","2","1","6","3","1") = "8"
    & skf18("6","9","2","1","6","4","1") = "8"
    & skf18("6","9","2","1","6","5","1") = "8"
    & skf18("6","9","2","1","6","6","1") = "8"
    & skf18("6","9","2","1","6","7","1") = "8"
    & skf18("6","9","2","1","6","8","1") = "8"
    & skf18("6","9","2","1","6","9","1") = "8"
    & skf18("6","9","2","1","6","10","1") = "9"
    & skf18("6","9","2","1","7","1","1") = "8"
    & skf18("6","9","2","1","7","2","1") = "8"
    & skf18("6","9","2","1","7","3","1") = "8"
    & skf18("6","9","2","1","7","4","1") = "8"
    & skf18("6","9","2","1","7","5","1") = "8"
    & skf18("6","9","2","1","7","6","1") = "8"
    & skf18("6","9","2","1","7","7","1") = "8"
    & skf18("6","9","2","1","7","8","1") = "8"
    & skf18("6","9","2","1","7","9","1") = "8"
    & skf18("6","9","2","1","7","10","1") = "9"
    & skf18("6","9","2","1","8","1","1") = "8"
    & skf18("6","9","2","1","8","2","1") = "8"
    & skf18("6","9","2","1","8","3","1") = "8"
    & skf18("6","9","2","1","8","4","1") = "8"
    & skf18("6","9","2","1","8","5","1") = "8"
    & skf18("6","9","2","1","8","6","1") = "8"
    & skf18("6","9","2","1","8","7","1") = "8"
    & skf18("6","9","2","1","8","8","1") = "8"
    & skf18("6","9","2","1","8","9","1") = "8"
    & skf18("6","9","2","1","8","10","1") = "9"
    & skf18("6","9","2","1","9","1","1") = "8"
    & skf18("6","9","2","1","9","2","1") = "8"
    & skf18("6","9","2","1","9","3","1") = "8"
    & skf18("6","9","2","1","9","4","1") = "8"
    & skf18("6","9","2","1","9","5","1") = "8"
    & skf18("6","9","2","1","9","6","1") = "8"
    & skf18("6","9","2","1","9","7","1") = "8"
    & skf18("6","9","2","1","9","8","1") = "8"
    & skf18("6","9","2","1","9","9","1") = "8"
    & skf18("6","9","2","1","9","10","1") = "9"
    & skf18("6","9","2","1","10","1","1") = "9"
    & skf18("6","9","2","1","10","2","1") = "9"
    & skf18("6","9","2","1","10","3","1") = "9"
    & skf18("6","9","2","1","10","4","1") = "9"
    & skf18("6","9","2","1","10","5","1") = "9"
    & skf18("6","9","2","1","10","6","1") = "9"
    & skf18("6","9","2","1","10","7","1") = "9"
    & skf18("6","9","2","1","10","8","1") = "9"
    & skf18("6","9","2","1","10","9","1") = "9"
    & skf18("6","9","2","1","10","10","1") = "9"
    & skf18("6","9","2","2","1","1","1") = "8"
    & skf18("6","9","2","2","1","2","1") = "8"
    & skf18("6","9","2","2","1","3","1") = "8"
    & skf18("6","9","2","2","1","4","1") = "8"
    & skf18("6","9","2","2","1","5","1") = "8"
    & skf18("6","9","2","2","1","6","1") = "8"
    & skf18("6","9","2","2","1","7","1") = "8"
    & skf18("6","9","2","2","1","8","1") = "8"
    & skf18("6","9","2","2","1","9","1") = "8"
    & skf18("6","9","2","2","1","10","1") = "9"
    & skf18("6","9","2","2","2","1","1") = "8"
    & skf18("6","9","2","2","2","2","1") = "8"
    & skf18("6","9","2","2","2","3","1") = "8"
    & skf18("6","9","2","2","2","4","1") = "8"
    & skf18("6","9","2","2","2","5","1") = "8"
    & skf18("6","9","2","2","2","6","1") = "8"
    & skf18("6","9","2","2","2","7","1") = "8"
    & skf18("6","9","2","2","2","8","1") = "8"
    & skf18("6","9","2","2","2","9","1") = "8"
    & skf18("6","9","2","2","2","10","1") = "9"
    & skf18("6","9","2","2","3","1","1") = "8"
    & skf18("6","9","2","2","3","2","1") = "8"
    & skf18("6","9","2","2","3","3","1") = "8"
    & skf18("6","9","2","2","3","4","1") = "8"
    & skf18("6","9","2","2","3","5","1") = "8"
    & skf18("6","9","2","2","3","6","1") = "8"
    & skf18("6","9","2","2","3","7","1") = "8"
    & skf18("6","9","2","2","3","8","1") = "8"
    & skf18("6","9","2","2","3","9","1") = "8"
    & skf18("6","9","2","2","3","10","1") = "9"
    & skf18("6","9","2","2","4","1","1") = "8"
    & skf18("6","9","2","2","4","2","1") = "8"
    & skf18("6","9","2","2","4","3","1") = "8"
    & skf18("6","9","2","2","4","4","1") = "8"
    & skf18("6","9","2","2","4","5","1") = "8"
    & skf18("6","9","2","2","4","6","1") = "8"
    & skf18("6","9","2","2","4","7","1") = "8"
    & skf18("6","9","2","2","4","8","1") = "8"
    & skf18("6","9","2","2","4","9","1") = "8"
    & skf18("6","9","2","2","4","10","1") = "9"
    & skf18("6","9","2","2","5","1","1") = "8"
    & skf18("6","9","2","2","5","2","1") = "8"
    & skf18("6","9","2","2","5","3","1") = "8"
    & skf18("6","9","2","2","5","4","1") = "8"
    & skf18("6","9","2","2","5","5","1") = "8"
    & skf18("6","9","2","2","5","6","1") = "8"
    & skf18("6","9","2","2","5","7","1") = "8"
    & skf18("6","9","2","2","5","8","1") = "8"
    & skf18("6","9","2","2","5","9","1") = "8"
    & skf18("6","9","2","2","5","10","1") = "9"
    & skf18("6","9","2","2","6","1","1") = "8"
    & skf18("6","9","2","2","6","2","1") = "8"
    & skf18("6","9","2","2","6","3","1") = "8"
    & skf18("6","9","2","2","6","4","1") = "8"
    & skf18("6","9","2","2","6","5","1") = "8"
    & skf18("6","9","2","2","6","6","1") = "8"
    & skf18("6","9","2","2","6","7","1") = "8"
    & skf18("6","9","2","2","6","8","1") = "8"
    & skf18("6","9","2","2","6","9","1") = "8"
    & skf18("6","9","2","2","6","10","1") = "9"
    & skf18("6","9","2","2","7","1","1") = "8"
    & skf18("6","9","2","2","7","2","1") = "8"
    & skf18("6","9","2","2","7","3","1") = "8"
    & skf18("6","9","2","2","7","4","1") = "8"
    & skf18("6","9","2","2","7","5","1") = "8"
    & skf18("6","9","2","2","7","6","1") = "8"
    & skf18("6","9","2","2","7","7","1") = "8"
    & skf18("6","9","2","2","7","8","1") = "8"
    & skf18("6","9","2","2","7","9","1") = "8"
    & skf18("6","9","2","2","7","10","1") = "9"
    & skf18("6","9","2","2","8","1","1") = "8"
    & skf18("6","9","2","2","8","2","1") = "8"
    & skf18("6","9","2","2","8","3","1") = "8"
    & skf18("6","9","2","2","8","4","1") = "8"
    & skf18("6","9","2","2","8","5","1") = "8"
    & skf18("6","9","2","2","8","6","1") = "8"
    & skf18("6","9","2","2","8","7","1") = "8"
    & skf18("6","9","2","2","8","8","1") = "8"
    & skf18("6","9","2","2","8","9","1") = "8"
    & skf18("6","9","2","2","8","10","1") = "9"
    & skf18("6","9","2","2","9","1","1") = "8"
    & skf18("6","9","2","2","9","2","1") = "8"
    & skf18("6","9","2","2","9","3","1") = "8"
    & skf18("6","9","2","2","9","4","1") = "8"
    & skf18("6","9","2","2","9","5","1") = "8"
    & skf18("6","9","2","2","9","6","1") = "8"
    & skf18("6","9","2","2","9","7","1") = "8"
    & skf18("6","9","2","2","9","8","1") = "8"
    & skf18("6","9","2","2","9","9","1") = "8"
    & skf18("6","9","2","2","9","10","1") = "9"
    & skf18("6","9","2","2","10","1","1") = "9"
    & skf18("6","9","2","2","10","2","1") = "9"
    & skf18("6","9","2","2","10","3","1") = "9"
    & skf18("6","9","2","2","10","4","1") = "9"
    & skf18("6","9","2","2","10","5","1") = "9"
    & skf18("6","9","2","2","10","6","1") = "9"
    & skf18("6","9","2","2","10","7","1") = "9"
    & skf18("6","9","2","2","10","8","1") = "9"
    & skf18("6","9","2","2","10","9","1") = "9"
    & skf18("6","9","2","2","10","10","1") = "9"
    & skf18("6","9","2","3","1","1","1") = "8"
    & skf18("6","9","2","3","1","2","1") = "8"
    & skf18("6","9","2","3","1","3","1") = "8"
    & skf18("6","9","2","3","1","4","1") = "8"
    & skf18("6","9","2","3","1","5","1") = "8"
    & skf18("6","9","2","3","1","6","1") = "8"
    & skf18("6","9","2","3","1","7","1") = "8"
    & skf18("6","9","2","3","1","8","1") = "8"
    & skf18("6","9","2","3","1","9","1") = "8"
    & skf18("6","9","2","3","1","10","1") = "9"
    & skf18("6","9","2","3","2","1","1") = "8"
    & skf18("6","9","2","3","2","2","1") = "8"
    & skf18("6","9","2","3","2","3","1") = "8"
    & skf18("6","9","2","3","2","4","1") = "8"
    & skf18("6","9","2","3","2","5","1") = "8"
    & skf18("6","9","2","3","2","6","1") = "8"
    & skf18("6","9","2","3","2","7","1") = "8"
    & skf18("6","9","2","3","2","8","1") = "8"
    & skf18("6","9","2","3","2","9","1") = "8"
    & skf18("6","9","2","3","2","10","1") = "9"
    & skf18("6","9","2","3","3","1","1") = "8"
    & skf18("6","9","2","3","3","2","1") = "8"
    & skf18("6","9","2","3","3","3","1") = "8"
    & skf18("6","9","2","3","3","4","1") = "8"
    & skf18("6","9","2","3","3","5","1") = "8"
    & skf18("6","9","2","3","3","6","1") = "8"
    & skf18("6","9","2","3","3","7","1") = "8"
    & skf18("6","9","2","3","3","8","1") = "8"
    & skf18("6","9","2","3","3","9","1") = "8"
    & skf18("6","9","2","3","3","10","1") = "9"
    & skf18("6","9","2","3","4","1","1") = "8"
    & skf18("6","9","2","3","4","2","1") = "8"
    & skf18("6","9","2","3","4","3","1") = "8"
    & skf18("6","9","2","3","4","4","1") = "8"
    & skf18("6","9","2","3","4","5","1") = "8"
    & skf18("6","9","2","3","4","6","1") = "8"
    & skf18("6","9","2","3","4","7","1") = "8"
    & skf18("6","9","2","3","4","8","1") = "8"
    & skf18("6","9","2","3","4","9","1") = "8"
    & skf18("6","9","2","3","4","10","1") = "9"
    & skf18("6","9","2","3","5","1","1") = "8"
    & skf18("6","9","2","3","5","2","1") = "8"
    & skf18("6","9","2","3","5","3","1") = "8"
    & skf18("6","9","2","3","5","4","1") = "8"
    & skf18("6","9","2","3","5","5","1") = "8"
    & skf18("6","9","2","3","5","6","1") = "8"
    & skf18("6","9","2","3","5","7","1") = "8"
    & skf18("6","9","2","3","5","8","1") = "8"
    & skf18("6","9","2","3","5","9","1") = "8"
    & skf18("6","9","2","3","5","10","1") = "9"
    & skf18("6","9","2","3","6","1","1") = "8"
    & skf18("6","9","2","3","6","2","1") = "8"
    & skf18("6","9","2","3","6","3","1") = "8"
    & skf18("6","9","2","3","6","4","1") = "8"
    & skf18("6","9","2","3","6","5","1") = "8"
    & skf18("6","9","2","3","6","6","1") = "8"
    & skf18("6","9","2","3","6","7","1") = "8"
    & skf18("6","9","2","3","6","8","1") = "8"
    & skf18("6","9","2","3","6","9","1") = "8"
    & skf18("6","9","2","3","6","10","1") = "9"
    & skf18("6","9","2","3","7","1","1") = "8"
    & skf18("6","9","2","3","7","2","1") = "8"
    & skf18("6","9","2","3","7","3","1") = "8"
    & skf18("6","9","2","3","7","4","1") = "8"
    & skf18("6","9","2","3","7","5","1") = "8"
    & skf18("6","9","2","3","7","6","1") = "8"
    & skf18("6","9","2","3","7","7","1") = "8"
    & skf18("6","9","2","3","7","8","1") = "8"
    & skf18("6","9","2","3","7","9","1") = "8"
    & skf18("6","9","2","3","7","10","1") = "9"
    & skf18("6","9","2","3","8","1","1") = "8"
    & skf18("6","9","2","3","8","2","1") = "8"
    & skf18("6","9","2","3","8","3","1") = "8"
    & skf18("6","9","2","3","8","4","1") = "8"
    & skf18("6","9","2","3","8","5","1") = "8"
    & skf18("6","9","2","3","8","6","1") = "8"
    & skf18("6","9","2","3","8","7","1") = "8"
    & skf18("6","9","2","3","8","8","1") = "8"
    & skf18("6","9","2","3","8","9","1") = "8"
    & skf18("6","9","2","3","8","10","1") = "9"
    & skf18("6","9","2","3","9","1","1") = "8"
    & skf18("6","9","2","3","9","2","1") = "8"
    & skf18("6","9","2","3","9","3","1") = "8"
    & skf18("6","9","2","3","9","4","1") = "8"
    & skf18("6","9","2","3","9","5","1") = "8"
    & skf18("6","9","2","3","9","6","1") = "8"
    & skf18("6","9","2","3","9","7","1") = "8"
    & skf18("6","9","2","3","9","8","1") = "8"
    & skf18("6","9","2","3","9","9","1") = "8"
    & skf18("6","9","2","3","9","10","1") = "9"
    & skf18("6","9","2","3","10","1","1") = "9"
    & skf18("6","9","2","3","10","2","1") = "9"
    & skf18("6","9","2","3","10","3","1") = "9"
    & skf18("6","9","2","3","10","4","1") = "9"
    & skf18("6","9","2","3","10","5","1") = "9"
    & skf18("6","9","2","3","10","6","1") = "9"
    & skf18("6","9","2","3","10","7","1") = "9"
    & skf18("6","9","2","3","10","8","1") = "9"
    & skf18("6","9","2","3","10","9","1") = "9"
    & skf18("6","9","2","3","10","10","1") = "9"
    & skf18("6","9","2","4","1","1","1") = "8"
    & skf18("6","9","2","4","1","2","1") = "8"
    & skf18("6","9","2","4","1","3","1") = "8"
    & skf18("6","9","2","4","1","4","1") = "8"
    & skf18("6","9","2","4","1","5","1") = "8"
    & skf18("6","9","2","4","1","6","1") = "8"
    & skf18("6","9","2","4","1","7","1") = "8"
    & skf18("6","9","2","4","1","8","1") = "8"
    & skf18("6","9","2","4","1","9","1") = "8"
    & skf18("6","9","2","4","1","10","1") = "9"
    & skf18("6","9","2","4","2","1","1") = "8"
    & skf18("6","9","2","4","2","2","1") = "8"
    & skf18("6","9","2","4","2","3","1") = "8"
    & skf18("6","9","2","4","2","4","1") = "8"
    & skf18("6","9","2","4","2","5","1") = "8"
    & skf18("6","9","2","4","2","6","1") = "8"
    & skf18("6","9","2","4","2","7","1") = "8"
    & skf18("6","9","2","4","2","8","1") = "8"
    & skf18("6","9","2","4","2","9","1") = "8"
    & skf18("6","9","2","4","2","10","1") = "9"
    & skf18("6","9","2","4","3","1","1") = "8"
    & skf18("6","9","2","4","3","2","1") = "8"
    & skf18("6","9","2","4","3","3","1") = "8"
    & skf18("6","9","2","4","3","4","1") = "8"
    & skf18("6","9","2","4","3","5","1") = "8"
    & skf18("6","9","2","4","3","6","1") = "8"
    & skf18("6","9","2","4","3","7","1") = "8"
    & skf18("6","9","2","4","3","8","1") = "8"
    & skf18("6","9","2","4","3","9","1") = "8"
    & skf18("6","9","2","4","3","10","1") = "9"
    & skf18("6","9","2","4","4","1","1") = "8"
    & skf18("6","9","2","4","4","2","1") = "8"
    & skf18("6","9","2","4","4","3","1") = "8"
    & skf18("6","9","2","4","4","4","1") = "8"
    & skf18("6","9","2","4","4","5","1") = "8"
    & skf18("6","9","2","4","4","6","1") = "8"
    & skf18("6","9","2","4","4","7","1") = "8"
    & skf18("6","9","2","4","4","8","1") = "8"
    & skf18("6","9","2","4","4","9","1") = "8"
    & skf18("6","9","2","4","4","10","1") = "9"
    & skf18("6","9","2","4","5","1","1") = "8"
    & skf18("6","9","2","4","5","2","1") = "8"
    & skf18("6","9","2","4","5","3","1") = "8"
    & skf18("6","9","2","4","5","4","1") = "8"
    & skf18("6","9","2","4","5","5","1") = "8"
    & skf18("6","9","2","4","5","6","1") = "8"
    & skf18("6","9","2","4","5","7","1") = "8"
    & skf18("6","9","2","4","5","8","1") = "8"
    & skf18("6","9","2","4","5","9","1") = "8"
    & skf18("6","9","2","4","5","10","1") = "9"
    & skf18("6","9","2","4","6","1","1") = "8"
    & skf18("6","9","2","4","6","2","1") = "8"
    & skf18("6","9","2","4","6","3","1") = "8"
    & skf18("6","9","2","4","6","4","1") = "8"
    & skf18("6","9","2","4","6","5","1") = "8"
    & skf18("6","9","2","4","6","6","1") = "8"
    & skf18("6","9","2","4","6","7","1") = "8"
    & skf18("6","9","2","4","6","8","1") = "8"
    & skf18("6","9","2","4","6","9","1") = "8"
    & skf18("6","9","2","4","6","10","1") = "9"
    & skf18("6","9","2","4","7","1","1") = "8"
    & skf18("6","9","2","4","7","2","1") = "8"
    & skf18("6","9","2","4","7","3","1") = "8"
    & skf18("6","9","2","4","7","4","1") = "8"
    & skf18("6","9","2","4","7","5","1") = "8"
    & skf18("6","9","2","4","7","6","1") = "8"
    & skf18("6","9","2","4","7","7","1") = "8"
    & skf18("6","9","2","4","7","8","1") = "8"
    & skf18("6","9","2","4","7","9","1") = "8"
    & skf18("6","9","2","4","7","10","1") = "9"
    & skf18("6","9","2","4","8","1","1") = "8"
    & skf18("6","9","2","4","8","2","1") = "8"
    & skf18("6","9","2","4","8","3","1") = "8"
    & skf18("6","9","2","4","8","4","1") = "8"
    & skf18("6","9","2","4","8","5","1") = "8"
    & skf18("6","9","2","4","8","6","1") = "8"
    & skf18("6","9","2","4","8","7","1") = "8"
    & skf18("6","9","2","4","8","8","1") = "8"
    & skf18("6","9","2","4","8","9","1") = "8"
    & skf18("6","9","2","4","8","10","1") = "9"
    & skf18("6","9","2","4","9","1","1") = "8"
    & skf18("6","9","2","4","9","2","1") = "8"
    & skf18("6","9","2","4","9","3","1") = "8"
    & skf18("6","9","2","4","9","4","1") = "8"
    & skf18("6","9","2","4","9","5","1") = "8"
    & skf18("6","9","2","4","9","6","1") = "8"
    & skf18("6","9","2","4","9","7","1") = "8"
    & skf18("6","9","2","4","9","8","1") = "8"
    & skf18("6","9","2","4","9","9","1") = "8"
    & skf18("6","9","2","4","9","10","1") = "9"
    & skf18("6","9","2","4","10","1","1") = "9"
    & skf18("6","9","2","4","10","2","1") = "9"
    & skf18("6","9","2","4","10","3","1") = "9"
    & skf18("6","9","2","4","10","4","1") = "9"
    & skf18("6","9","2","4","10","5","1") = "9"
    & skf18("6","9","2","4","10","6","1") = "9"
    & skf18("6","9","2","4","10","7","1") = "9"
    & skf18("6","9","2","4","10","8","1") = "9"
    & skf18("6","9","2","4","10","9","1") = "9"
    & skf18("6","9","2","4","10","10","1") = "9"
    & skf18("6","9","2","5","1","1","1") = "8"
    & skf18("6","9","2","5","1","2","1") = "8"
    & skf18("6","9","2","5","1","3","1") = "8"
    & skf18("6","9","2","5","1","4","1") = "8"
    & skf18("6","9","2","5","1","5","1") = "8"
    & skf18("6","9","2","5","1","6","1") = "8"
    & skf18("6","9","2","5","1","7","1") = "8"
    & skf18("6","9","2","5","1","8","1") = "8"
    & skf18("6","9","2","5","1","9","1") = "8"
    & skf18("6","9","2","5","1","10","1") = "9"
    & skf18("6","9","2","5","2","1","1") = "8"
    & skf18("6","9","2","5","2","2","1") = "8"
    & skf18("6","9","2","5","2","3","1") = "8"
    & skf18("6","9","2","5","2","4","1") = "8"
    & skf18("6","9","2","5","2","5","1") = "8"
    & skf18("6","9","2","5","2","6","1") = "8"
    & skf18("6","9","2","5","2","7","1") = "8"
    & skf18("6","9","2","5","2","8","1") = "8"
    & skf18("6","9","2","5","2","9","1") = "8"
    & skf18("6","9","2","5","2","10","1") = "9"
    & skf18("6","9","2","5","3","1","1") = "8"
    & skf18("6","9","2","5","3","2","1") = "8"
    & skf18("6","9","2","5","3","3","1") = "8"
    & skf18("6","9","2","5","3","4","1") = "8"
    & skf18("6","9","2","5","3","5","1") = "8"
    & skf18("6","9","2","5","3","6","1") = "8"
    & skf18("6","9","2","5","3","7","1") = "8"
    & skf18("6","9","2","5","3","8","1") = "8"
    & skf18("6","9","2","5","3","9","1") = "8"
    & skf18("6","9","2","5","3","10","1") = "9"
    & skf18("6","9","2","5","4","1","1") = "8"
    & skf18("6","9","2","5","4","2","1") = "8"
    & skf18("6","9","2","5","4","3","1") = "8"
    & skf18("6","9","2","5","4","4","1") = "8"
    & skf18("6","9","2","5","4","5","1") = "8"
    & skf18("6","9","2","5","4","6","1") = "8"
    & skf18("6","9","2","5","4","7","1") = "8"
    & skf18("6","9","2","5","4","8","1") = "8"
    & skf18("6","9","2","5","4","9","1") = "8"
    & skf18("6","9","2","5","4","10","1") = "9"
    & skf18("6","9","2","5","5","1","1") = "8"
    & skf18("6","9","2","5","5","2","1") = "8"
    & skf18("6","9","2","5","5","3","1") = "8"
    & skf18("6","9","2","5","5","4","1") = "8"
    & skf18("6","9","2","5","5","5","1") = "8"
    & skf18("6","9","2","5","5","6","1") = "8"
    & skf18("6","9","2","5","5","7","1") = "8"
    & skf18("6","9","2","5","5","8","1") = "8"
    & skf18("6","9","2","5","5","9","1") = "8"
    & skf18("6","9","2","5","5","10","1") = "9"
    & skf18("6","9","2","5","6","1","1") = "8"
    & skf18("6","9","2","5","6","2","1") = "8"
    & skf18("6","9","2","5","6","3","1") = "8"
    & skf18("6","9","2","5","6","4","1") = "8"
    & skf18("6","9","2","5","6","5","1") = "8"
    & skf18("6","9","2","5","6","6","1") = "8"
    & skf18("6","9","2","5","6","7","1") = "8"
    & skf18("6","9","2","5","6","8","1") = "8"
    & skf18("6","9","2","5","6","9","1") = "8"
    & skf18("6","9","2","5","6","10","1") = "9"
    & skf18("6","9","2","5","7","1","1") = "8"
    & skf18("6","9","2","5","7","2","1") = "8"
    & skf18("6","9","2","5","7","3","1") = "8"
    & skf18("6","9","2","5","7","4","1") = "8"
    & skf18("6","9","2","5","7","5","1") = "8"
    & skf18("6","9","2","5","7","6","1") = "8"
    & skf18("6","9","2","5","7","7","1") = "8"
    & skf18("6","9","2","5","7","8","1") = "8"
    & skf18("6","9","2","5","7","9","1") = "8"
    & skf18("6","9","2","5","7","10","1") = "9"
    & skf18("6","9","2","5","8","1","1") = "8"
    & skf18("6","9","2","5","8","2","1") = "8"
    & skf18("6","9","2","5","8","3","1") = "8"
    & skf18("6","9","2","5","8","4","1") = "8"
    & skf18("6","9","2","5","8","5","1") = "8"
    & skf18("6","9","2","5","8","6","1") = "8"
    & skf18("6","9","2","5","8","7","1") = "8"
    & skf18("6","9","2","5","8","8","1") = "8"
    & skf18("6","9","2","5","8","9","1") = "8"
    & skf18("6","9","2","5","8","10","1") = "9"
    & skf18("6","9","2","5","9","1","1") = "8"
    & skf18("6","9","2","5","9","2","1") = "8"
    & skf18("6","9","2","5","9","3","1") = "8"
    & skf18("6","9","2","5","9","4","1") = "8"
    & skf18("6","9","2","5","9","5","1") = "8"
    & skf18("6","9","2","5","9","6","1") = "8"
    & skf18("6","9","2","5","9","7","1") = "8"
    & skf18("6","9","2","5","9","8","1") = "8"
    & skf18("6","9","2","5","9","9","1") = "8"
    & skf18("6","9","2","5","9","10","1") = "9"
    & skf18("6","9","2","5","10","1","1") = "9"
    & skf18("6","9","2","5","10","2","1") = "9"
    & skf18("6","9","2","5","10","3","1") = "9"
    & skf18("6","9","2","5","10","4","1") = "9"
    & skf18("6","9","2","5","10","5","1") = "9"
    & skf18("6","9","2","5","10","6","1") = "9"
    & skf18("6","9","2","5","10","7","1") = "9"
    & skf18("6","9","2","5","10","8","1") = "9"
    & skf18("6","9","2","5","10","9","1") = "9"
    & skf18("6","9","2","5","10","10","1") = "9"
    & skf18("6","9","2","6","1","1","1") = "8"
    & skf18("6","9","2","6","1","2","1") = "8"
    & skf18("6","9","2","6","1","3","1") = "8"
    & skf18("6","9","2","6","1","4","1") = "8"
    & skf18("6","9","2","6","1","5","1") = "8"
    & skf18("6","9","2","6","1","6","1") = "8"
    & skf18("6","9","2","6","1","7","1") = "8"
    & skf18("6","9","2","6","1","8","1") = "8"
    & skf18("6","9","2","6","1","9","1") = "8"
    & skf18("6","9","2","6","1","10","1") = "9"
    & skf18("6","9","2","6","2","1","1") = "8"
    & skf18("6","9","2","6","2","2","1") = "8"
    & skf18("6","9","2","6","2","3","1") = "8"
    & skf18("6","9","2","6","2","4","1") = "8"
    & skf18("6","9","2","6","2","5","1") = "8"
    & skf18("6","9","2","6","2","6","1") = "8"
    & skf18("6","9","2","6","2","7","1") = "8"
    & skf18("6","9","2","6","2","8","1") = "8"
    & skf18("6","9","2","6","2","9","1") = "8"
    & skf18("6","9","2","6","2","10","1") = "9"
    & skf18("6","9","2","6","3","1","1") = "8"
    & skf18("6","9","2","6","3","2","1") = "8"
    & skf18("6","9","2","6","3","3","1") = "8"
    & skf18("6","9","2","6","3","4","1") = "8"
    & skf18("6","9","2","6","3","5","1") = "8"
    & skf18("6","9","2","6","3","6","1") = "8"
    & skf18("6","9","2","6","3","7","1") = "8"
    & skf18("6","9","2","6","3","8","1") = "8"
    & skf18("6","9","2","6","3","9","1") = "8"
    & skf18("6","9","2","6","3","10","1") = "9"
    & skf18("6","9","2","6","4","1","1") = "8"
    & skf18("6","9","2","6","4","2","1") = "8"
    & skf18("6","9","2","6","4","3","1") = "8"
    & skf18("6","9","2","6","4","4","1") = "8"
    & skf18("6","9","2","6","4","5","1") = "8"
    & skf18("6","9","2","6","4","6","1") = "8"
    & skf18("6","9","2","6","4","7","1") = "8"
    & skf18("6","9","2","6","4","8","1") = "8"
    & skf18("6","9","2","6","4","9","1") = "8"
    & skf18("6","9","2","6","4","10","1") = "9"
    & skf18("6","9","2","6","5","1","1") = "8"
    & skf18("6","9","2","6","5","2","1") = "8"
    & skf18("6","9","2","6","5","3","1") = "8"
    & skf18("6","9","2","6","5","4","1") = "8"
    & skf18("6","9","2","6","5","5","1") = "8"
    & skf18("6","9","2","6","5","6","1") = "8"
    & skf18("6","9","2","6","5","7","1") = "8"
    & skf18("6","9","2","6","5","8","1") = "8"
    & skf18("6","9","2","6","5","9","1") = "8"
    & skf18("6","9","2","6","5","10","1") = "9"
    & skf18("6","9","2","6","6","1","1") = "8"
    & skf18("6","9","2","6","6","2","1") = "8"
    & skf18("6","9","2","6","6","3","1") = "8"
    & skf18("6","9","2","6","6","4","1") = "8"
    & skf18("6","9","2","6","6","5","1") = "8"
    & skf18("6","9","2","6","6","6","1") = "8"
    & skf18("6","9","2","6","6","7","1") = "8"
    & skf18("6","9","2","6","6","8","1") = "8"
    & skf18("6","9","2","6","6","9","1") = "8"
    & skf18("6","9","2","6","6","10","1") = "9"
    & skf18("6","9","2","6","7","1","1") = "8"
    & skf18("6","9","2","6","7","2","1") = "8"
    & skf18("6","9","2","6","7","3","1") = "8"
    & skf18("6","9","2","6","7","4","1") = "8"
    & skf18("6","9","2","6","7","5","1") = "8"
    & skf18("6","9","2","6","7","6","1") = "8"
    & skf18("6","9","2","6","7","7","1") = "8"
    & skf18("6","9","2","6","7","8","1") = "8"
    & skf18("6","9","2","6","7","9","1") = "8"
    & skf18("6","9","2","6","7","10","1") = "9"
    & skf18("6","9","2","6","8","1","1") = "8"
    & skf18("6","9","2","6","8","2","1") = "8"
    & skf18("6","9","2","6","8","3","1") = "8"
    & skf18("6","9","2","6","8","4","1") = "8"
    & skf18("6","9","2","6","8","5","1") = "8"
    & skf18("6","9","2","6","8","6","1") = "8"
    & skf18("6","9","2","6","8","7","1") = "8"
    & skf18("6","9","2","6","8","8","1") = "8"
    & skf18("6","9","2","6","8","9","1") = "8"
    & skf18("6","9","2","6","8","10","1") = "9"
    & skf18("6","9","2","6","9","1","1") = "8"
    & skf18("6","9","2","6","9","2","1") = "8"
    & skf18("6","9","2","6","9","3","1") = "8"
    & skf18("6","9","2","6","9","4","1") = "8"
    & skf18("6","9","2","6","9","5","1") = "8"
    & skf18("6","9","2","6","9","6","1") = "8"
    & skf18("6","9","2","6","9","7","1") = "8"
    & skf18("6","9","2","6","9","8","1") = "8"
    & skf18("6","9","2","6","9","9","1") = "8"
    & skf18("6","9","2","6","9","10","1") = "9"
    & skf18("6","9","2","6","10","1","1") = "9"
    & skf18("6","9","2","6","10","2","1") = "9"
    & skf18("6","9","2","6","10","3","1") = "9"
    & skf18("6","9","2","6","10","4","1") = "9"
    & skf18("6","9","2","6","10","5","1") = "9"
    & skf18("6","9","2","6","10","6","1") = "9"
    & skf18("6","9","2","6","10","7","1") = "9"
    & skf18("6","9","2","6","10","8","1") = "9"
    & skf18("6","9","2","6","10","9","1") = "9"
    & skf18("6","9","2","6","10","10","1") = "9"
    & skf18("6","9","2","7","1","1","1") = "8"
    & skf18("6","9","2","7","1","2","1") = "8"
    & skf18("6","9","2","7","1","3","1") = "8"
    & skf18("6","9","2","7","1","4","1") = "8"
    & skf18("6","9","2","7","1","5","1") = "8"
    & skf18("6","9","2","7","1","6","1") = "8"
    & skf18("6","9","2","7","1","7","1") = "8"
    & skf18("6","9","2","7","1","8","1") = "8"
    & skf18("6","9","2","7","1","9","1") = "8"
    & skf18("6","9","2","7","1","10","1") = "9"
    & skf18("6","9","2","7","2","1","1") = "8"
    & skf18("6","9","2","7","2","2","1") = "8"
    & skf18("6","9","2","7","2","3","1") = "8"
    & skf18("6","9","2","7","2","4","1") = "8"
    & skf18("6","9","2","7","2","5","1") = "8"
    & skf18("6","9","2","7","2","6","1") = "8"
    & skf18("6","9","2","7","2","7","1") = "8"
    & skf18("6","9","2","7","2","8","1") = "8"
    & skf18("6","9","2","7","2","9","1") = "8"
    & skf18("6","9","2","7","2","10","1") = "9"
    & skf18("6","9","2","7","3","1","1") = "8"
    & skf18("6","9","2","7","3","2","1") = "8"
    & skf18("6","9","2","7","3","3","1") = "8"
    & skf18("6","9","2","7","3","4","1") = "8"
    & skf18("6","9","2","7","3","5","1") = "8"
    & skf18("6","9","2","7","3","6","1") = "8"
    & skf18("6","9","2","7","3","7","1") = "8"
    & skf18("6","9","2","7","3","8","1") = "8"
    & skf18("6","9","2","7","3","9","1") = "8"
    & skf18("6","9","2","7","3","10","1") = "9"
    & skf18("6","9","2","7","4","1","1") = "8"
    & skf18("6","9","2","7","4","2","1") = "8"
    & skf18("6","9","2","7","4","3","1") = "8"
    & skf18("6","9","2","7","4","4","1") = "8"
    & skf18("6","9","2","7","4","5","1") = "8"
    & skf18("6","9","2","7","4","6","1") = "8"
    & skf18("6","9","2","7","4","7","1") = "8"
    & skf18("6","9","2","7","4","8","1") = "8"
    & skf18("6","9","2","7","4","9","1") = "8"
    & skf18("6","9","2","7","4","10","1") = "9"
    & skf18("6","9","2","7","5","1","1") = "8"
    & skf18("6","9","2","7","5","2","1") = "8"
    & skf18("6","9","2","7","5","3","1") = "8"
    & skf18("6","9","2","7","5","4","1") = "8"
    & skf18("6","9","2","7","5","5","1") = "8"
    & skf18("6","9","2","7","5","6","1") = "8"
    & skf18("6","9","2","7","5","7","1") = "8"
    & skf18("6","9","2","7","5","8","1") = "8"
    & skf18("6","9","2","7","5","9","1") = "8"
    & skf18("6","9","2","7","5","10","1") = "9"
    & skf18("6","9","2","7","6","1","1") = "8"
    & skf18("6","9","2","7","6","2","1") = "8"
    & skf18("6","9","2","7","6","3","1") = "8"
    & skf18("6","9","2","7","6","4","1") = "8"
    & skf18("6","9","2","7","6","5","1") = "8"
    & skf18("6","9","2","7","6","6","1") = "8"
    & skf18("6","9","2","7","6","7","1") = "8"
    & skf18("6","9","2","7","6","8","1") = "8"
    & skf18("6","9","2","7","6","9","1") = "8"
    & skf18("6","9","2","7","6","10","1") = "9"
    & skf18("6","9","2","7","7","1","1") = "8"
    & skf18("6","9","2","7","7","2","1") = "8"
    & skf18("6","9","2","7","7","3","1") = "8"
    & skf18("6","9","2","7","7","4","1") = "8"
    & skf18("6","9","2","7","7","5","1") = "8"
    & skf18("6","9","2","7","7","6","1") = "8"
    & skf18("6","9","2","7","7","7","1") = "8"
    & skf18("6","9","2","7","7","8","1") = "8"
    & skf18("6","9","2","7","7","9","1") = "8"
    & skf18("6","9","2","7","7","10","1") = "9"
    & skf18("6","9","2","7","8","1","1") = "8"
    & skf18("6","9","2","7","8","2","1") = "8"
    & skf18("6","9","2","7","8","3","1") = "8"
    & skf18("6","9","2","7","8","4","1") = "8"
    & skf18("6","9","2","7","8","5","1") = "8"
    & skf18("6","9","2","7","8","6","1") = "8"
    & skf18("6","9","2","7","8","7","1") = "8"
    & skf18("6","9","2","7","8","8","1") = "8"
    & skf18("6","9","2","7","8","9","1") = "8"
    & skf18("6","9","2","7","8","10","1") = "9"
    & skf18("6","9","2","7","9","1","1") = "8"
    & skf18("6","9","2","7","9","2","1") = "8"
    & skf18("6","9","2","7","9","3","1") = "8"
    & skf18("6","9","2","7","9","4","1") = "8"
    & skf18("6","9","2","7","9","5","1") = "8"
    & skf18("6","9","2","7","9","6","1") = "8"
    & skf18("6","9","2","7","9","7","1") = "8"
    & skf18("6","9","2","7","9","8","1") = "8"
    & skf18("6","9","2","7","9","9","1") = "8"
    & skf18("6","9","2","7","9","10","1") = "9"
    & skf18("6","9","2","7","10","1","1") = "9"
    & skf18("6","9","2","7","10","2","1") = "9"
    & skf18("6","9","2","7","10","3","1") = "9"
    & skf18("6","9","2","7","10","4","1") = "9"
    & skf18("6","9","2","7","10","5","1") = "9"
    & skf18("6","9","2","7","10","6","1") = "9"
    & skf18("6","9","2","7","10","7","1") = "9"
    & skf18("6","9","2","7","10","8","1") = "9"
    & skf18("6","9","2","7","10","9","1") = "9"
    & skf18("6","9","2","7","10","10","1") = "9"
    & skf18("6","9","2","8","1","1","1") = "8"
    & skf18("6","9","2","8","1","2","1") = "8"
    & skf18("6","9","2","8","1","3","1") = "8"
    & skf18("6","9","2","8","1","4","1") = "8"
    & skf18("6","9","2","8","1","5","1") = "8"
    & skf18("6","9","2","8","1","6","1") = "8"
    & skf18("6","9","2","8","1","7","1") = "8"
    & skf18("6","9","2","8","1","8","1") = "8"
    & skf18("6","9","2","8","1","9","1") = "8"
    & skf18("6","9","2","8","1","10","1") = "9"
    & skf18("6","9","2","8","2","1","1") = "8"
    & skf18("6","9","2","8","2","2","1") = "8"
    & skf18("6","9","2","8","2","3","1") = "8"
    & skf18("6","9","2","8","2","4","1") = "8"
    & skf18("6","9","2","8","2","5","1") = "8"
    & skf18("6","9","2","8","2","6","1") = "8"
    & skf18("6","9","2","8","2","7","1") = "8"
    & skf18("6","9","2","8","2","8","1") = "8"
    & skf18("6","9","2","8","2","9","1") = "8"
    & skf18("6","9","2","8","2","10","1") = "9"
    & skf18("6","9","2","8","3","1","1") = "8"
    & skf18("6","9","2","8","3","2","1") = "8"
    & skf18("6","9","2","8","3","3","1") = "8"
    & skf18("6","9","2","8","3","4","1") = "8"
    & skf18("6","9","2","8","3","5","1") = "8"
    & skf18("6","9","2","8","3","6","1") = "8"
    & skf18("6","9","2","8","3","7","1") = "8"
    & skf18("6","9","2","8","3","8","1") = "8"
    & skf18("6","9","2","8","3","9","1") = "8"
    & skf18("6","9","2","8","3","10","1") = "9"
    & skf18("6","9","2","8","4","1","1") = "8"
    & skf18("6","9","2","8","4","2","1") = "8"
    & skf18("6","9","2","8","4","3","1") = "8"
    & skf18("6","9","2","8","4","4","1") = "8"
    & skf18("6","9","2","8","4","5","1") = "8"
    & skf18("6","9","2","8","4","6","1") = "8"
    & skf18("6","9","2","8","4","7","1") = "8"
    & skf18("6","9","2","8","4","8","1") = "8"
    & skf18("6","9","2","8","4","9","1") = "8"
    & skf18("6","9","2","8","4","10","1") = "9"
    & skf18("6","9","2","8","5","1","1") = "8"
    & skf18("6","9","2","8","5","2","1") = "8"
    & skf18("6","9","2","8","5","3","1") = "8"
    & skf18("6","9","2","8","5","4","1") = "8"
    & skf18("6","9","2","8","5","5","1") = "8"
    & skf18("6","9","2","8","5","6","1") = "8"
    & skf18("6","9","2","8","5","7","1") = "8"
    & skf18("6","9","2","8","5","8","1") = "8"
    & skf18("6","9","2","8","5","9","1") = "8"
    & skf18("6","9","2","8","5","10","1") = "9"
    & skf18("6","9","2","8","6","1","1") = "8"
    & skf18("6","9","2","8","6","2","1") = "8"
    & skf18("6","9","2","8","6","3","1") = "8"
    & skf18("6","9","2","8","6","4","1") = "8"
    & skf18("6","9","2","8","6","5","1") = "8"
    & skf18("6","9","2","8","6","6","1") = "8"
    & skf18("6","9","2","8","6","7","1") = "8"
    & skf18("6","9","2","8","6","8","1") = "8"
    & skf18("6","9","2","8","6","9","1") = "8"
    & skf18("6","9","2","8","6","10","1") = "9"
    & skf18("6","9","2","8","7","1","1") = "8"
    & skf18("6","9","2","8","7","2","1") = "8"
    & skf18("6","9","2","8","7","3","1") = "8"
    & skf18("6","9","2","8","7","4","1") = "8"
    & skf18("6","9","2","8","7","5","1") = "8"
    & skf18("6","9","2","8","7","6","1") = "8"
    & skf18("6","9","2","8","7","7","1") = "8"
    & skf18("6","9","2","8","7","8","1") = "8"
    & skf18("6","9","2","8","7","9","1") = "8"
    & skf18("6","9","2","8","7","10","1") = "9"
    & skf18("6","9","2","8","8","1","1") = "8"
    & skf18("6","9","2","8","8","2","1") = "8"
    & skf18("6","9","2","8","8","3","1") = "8"
    & skf18("6","9","2","8","8","4","1") = "8"
    & skf18("6","9","2","8","8","5","1") = "8"
    & skf18("6","9","2","8","8","6","1") = "8"
    & skf18("6","9","2","8","8","7","1") = "8"
    & skf18("6","9","2","8","8","8","1") = "8"
    & skf18("6","9","2","8","8","9","1") = "8"
    & skf18("6","9","2","8","8","10","1") = "9"
    & skf18("6","9","2","8","9","1","1") = "8"
    & skf18("6","9","2","8","9","2","1") = "8"
    & skf18("6","9","2","8","9","3","1") = "8"
    & skf18("6","9","2","8","9","4","1") = "8"
    & skf18("6","9","2","8","9","5","1") = "8"
    & skf18("6","9","2","8","9","6","1") = "8"
    & skf18("6","9","2","8","9","7","1") = "8"
    & skf18("6","9","2","8","9","8","1") = "8"
    & skf18("6","9","2","8","9","9","1") = "8"
    & skf18("6","9","2","8","9","10","1") = "9"
    & skf18("6","9","2","8","10","1","1") = "9"
    & skf18("6","9","2","8","10","2","1") = "9"
    & skf18("6","9","2","8","10","3","1") = "9"
    & skf18("6","9","2","8","10","4","1") = "9"
    & skf18("6","9","2","8","10","5","1") = "9"
    & skf18("6","9","2","8","10","6","1") = "9"
    & skf18("6","9","2","8","10","7","1") = "9"
    & skf18("6","9","2","8","10","8","1") = "9"
    & skf18("6","9","2","8","10","9","1") = "9"
    & skf18("6","9","2","8","10","10","1") = "9"
    & skf18("6","9","2","9","1","1","1") = "8"
    & skf18("6","9","2","9","1","2","1") = "8"
    & skf18("6","9","2","9","1","3","1") = "8"
    & skf18("6","9","2","9","1","4","1") = "8"
    & skf18("6","9","2","9","1","5","1") = "8"
    & skf18("6","9","2","9","1","6","1") = "8"
    & skf18("6","9","2","9","1","7","1") = "8"
    & skf18("6","9","2","9","1","8","1") = "8"
    & skf18("6","9","2","9","1","9","1") = "8"
    & skf18("6","9","2","9","1","10","1") = "9"
    & skf18("6","9","2","9","2","1","1") = "8"
    & skf18("6","9","2","9","2","2","1") = "8"
    & skf18("6","9","2","9","2","3","1") = "8"
    & skf18("6","9","2","9","2","4","1") = "8"
    & skf18("6","9","2","9","2","5","1") = "8"
    & skf18("6","9","2","9","2","6","1") = "8"
    & skf18("6","9","2","9","2","7","1") = "8"
    & skf18("6","9","2","9","2","8","1") = "8"
    & skf18("6","9","2","9","2","9","1") = "8"
    & skf18("6","9","2","9","2","10","1") = "9"
    & skf18("6","9","2","9","3","1","1") = "8"
    & skf18("6","9","2","9","3","2","1") = "8"
    & skf18("6","9","2","9","3","3","1") = "8"
    & skf18("6","9","2","9","3","4","1") = "8"
    & skf18("6","9","2","9","3","5","1") = "8"
    & skf18("6","9","2","9","3","6","1") = "8"
    & skf18("6","9","2","9","3","7","1") = "8"
    & skf18("6","9","2","9","3","8","1") = "8"
    & skf18("6","9","2","9","3","9","1") = "8"
    & skf18("6","9","2","9","3","10","1") = "9"
    & skf18("6","9","2","9","4","1","1") = "8"
    & skf18("6","9","2","9","4","2","1") = "8"
    & skf18("6","9","2","9","4","3","1") = "8"
    & skf18("6","9","2","9","4","4","1") = "8"
    & skf18("6","9","2","9","4","5","1") = "8"
    & skf18("6","9","2","9","4","6","1") = "8"
    & skf18("6","9","2","9","4","7","1") = "8"
    & skf18("6","9","2","9","4","8","1") = "8"
    & skf18("6","9","2","9","4","9","1") = "8"
    & skf18("6","9","2","9","4","10","1") = "9"
    & skf18("6","9","2","9","5","1","1") = "8"
    & skf18("6","9","2","9","5","2","1") = "8"
    & skf18("6","9","2","9","5","3","1") = "8"
    & skf18("6","9","2","9","5","4","1") = "8"
    & skf18("6","9","2","9","5","5","1") = "8"
    & skf18("6","9","2","9","5","6","1") = "8"
    & skf18("6","9","2","9","5","7","1") = "8"
    & skf18("6","9","2","9","5","8","1") = "8"
    & skf18("6","9","2","9","5","9","1") = "8"
    & skf18("6","9","2","9","5","10","1") = "9"
    & skf18("6","9","2","9","6","1","1") = "8"
    & skf18("6","9","2","9","6","2","1") = "8"
    & skf18("6","9","2","9","6","3","1") = "8"
    & skf18("6","9","2","9","6","4","1") = "8"
    & skf18("6","9","2","9","6","5","1") = "8"
    & skf18("6","9","2","9","6","6","1") = "8"
    & skf18("6","9","2","9","6","7","1") = "8"
    & skf18("6","9","2","9","6","8","1") = "8"
    & skf18("6","9","2","9","6","9","1") = "8"
    & skf18("6","9","2","9","6","10","1") = "9"
    & skf18("6","9","2","9","7","1","1") = "8"
    & skf18("6","9","2","9","7","2","1") = "8"
    & skf18("6","9","2","9","7","3","1") = "8"
    & skf18("6","9","2","9","7","4","1") = "8"
    & skf18("6","9","2","9","7","5","1") = "8"
    & skf18("6","9","2","9","7","6","1") = "8"
    & skf18("6","9","2","9","7","7","1") = "8"
    & skf18("6","9","2","9","7","8","1") = "8"
    & skf18("6","9","2","9","7","9","1") = "8"
    & skf18("6","9","2","9","7","10","1") = "9"
    & skf18("6","9","2","9","8","1","1") = "8"
    & skf18("6","9","2","9","8","2","1") = "8"
    & skf18("6","9","2","9","8","3","1") = "8"
    & skf18("6","9","2","9","8","4","1") = "8"
    & skf18("6","9","2","9","8","5","1") = "8"
    & skf18("6","9","2","9","8","6","1") = "8"
    & skf18("6","9","2","9","8","7","1") = "8"
    & skf18("6","9","2","9","8","8","1") = "8"
    & skf18("6","9","2","9","8","9","1") = "8"
    & skf18("6","9","2","9","8","10","1") = "9"
    & skf18("6","9","2","9","9","1","1") = "8"
    & skf18("6","9","2","9","9","2","1") = "8"
    & skf18("6","9","2","9","9","3","1") = "8"
    & skf18("6","9","2","9","9","4","1") = "8"
    & skf18("6","9","2","9","9","5","1") = "8"
    & skf18("6","9","2","9","9","6","1") = "8"
    & skf18("6","9","2","9","9","7","1") = "8"
    & skf18("6","9","2","9","9","8","1") = "8"
    & skf18("6","9","2","9","9","9","1") = "8"
    & skf18("6","9","2","9","9","10","1") = "9"
    & skf18("6","9","2","9","10","1","1") = "9"
    & skf18("6","9","2","9","10","2","1") = "9"
    & skf18("6","9","2","9","10","3","1") = "9"
    & skf18("6","9","2","9","10","4","1") = "9"
    & skf18("6","9","2","9","10","5","1") = "9"
    & skf18("6","9","2","9","10","6","1") = "9"
    & skf18("6","9","2","9","10","7","1") = "9"
    & skf18("6","9","2","9","10","8","1") = "9"
    & skf18("6","9","2","9","10","9","1") = "9"
    & skf18("6","9","2","9","10","10","1") = "9"
    & skf18("6","9","2","10","1","1","1") = "9"
    & skf18("6","9","2","10","1","2","1") = "9"
    & skf18("6","9","2","10","1","3","1") = "9"
    & skf18("6","9","2","10","1","4","1") = "9"
    & skf18("6","9","2","10","1","5","1") = "9"
    & skf18("6","9","2","10","1","6","1") = "9"
    & skf18("6","9","2","10","1","7","1") = "9"
    & skf18("6","9","2","10","1","8","1") = "9"
    & skf18("6","9","2","10","1","9","1") = "9"
    & skf18("6","9","2","10","1","10","1") = "9"
    & skf18("6","9","2","10","2","1","1") = "9"
    & skf18("6","9","2","10","2","2","1") = "9"
    & skf18("6","9","2","10","2","3","1") = "9"
    & skf18("6","9","2","10","2","4","1") = "9"
    & skf18("6","9","2","10","2","5","1") = "9"
    & skf18("6","9","2","10","2","6","1") = "9"
    & skf18("6","9","2","10","2","7","1") = "9"
    & skf18("6","9","2","10","2","8","1") = "9"
    & skf18("6","9","2","10","2","9","1") = "9"
    & skf18("6","9","2","10","2","10","1") = "9"
    & skf18("6","9","2","10","3","1","1") = "9"
    & skf18("6","9","2","10","3","2","1") = "9"
    & skf18("6","9","2","10","3","3","1") = "9"
    & skf18("6","9","2","10","3","4","1") = "9"
    & skf18("6","9","2","10","3","5","1") = "9"
    & skf18("6","9","2","10","3","6","1") = "9"
    & skf18("6","9","2","10","3","7","1") = "9"
    & skf18("6","9","2","10","3","8","1") = "9"
    & skf18("6","9","2","10","3","9","1") = "9"
    & skf18("6","9","2","10","3","10","1") = "9"
    & skf18("6","9","2","10","4","1","1") = "9"
    & skf18("6","9","2","10","4","2","1") = "9"
    & skf18("6","9","2","10","4","3","1") = "9"
    & skf18("6","9","2","10","4","4","1") = "9"
    & skf18("6","9","2","10","4","5","1") = "9"
    & skf18("6","9","2","10","4","6","1") = "9"
    & skf18("6","9","2","10","4","7","1") = "9"
    & skf18("6","9","2","10","4","8","1") = "9"
    & skf18("6","9","2","10","4","9","1") = "9"
    & skf18("6","9","2","10","4","10","1") = "9"
    & skf18("6","9","2","10","5","1","1") = "9"
    & skf18("6","9","2","10","5","2","1") = "9"
    & skf18("6","9","2","10","5","3","1") = "9"
    & skf18("6","9","2","10","5","4","1") = "9"
    & skf18("6","9","2","10","5","5","1") = "9"
    & skf18("6","9","2","10","5","6","1") = "9"
    & skf18("6","9","2","10","5","7","1") = "9"
    & skf18("6","9","2","10","5","8","1") = "9"
    & skf18("6","9","2","10","5","9","1") = "9"
    & skf18("6","9","2","10","5","10","1") = "9"
    & skf18("6","9","2","10","6","1","1") = "9"
    & skf18("6","9","2","10","6","2","1") = "9"
    & skf18("6","9","2","10","6","3","1") = "9"
    & skf18("6","9","2","10","6","4","1") = "9"
    & skf18("6","9","2","10","6","5","1") = "9"
    & skf18("6","9","2","10","6","6","1") = "9"
    & skf18("6","9","2","10","6","7","1") = "9"
    & skf18("6","9","2","10","6","8","1") = "9"
    & skf18("6","9","2","10","6","9","1") = "9"
    & skf18("6","9","2","10","6","10","1") = "9"
    & skf18("6","9","2","10","7","1","1") = "9"
    & skf18("6","9","2","10","7","2","1") = "9"
    & skf18("6","9","2","10","7","3","1") = "9"
    & skf18("6","9","2","10","7","4","1") = "9"
    & skf18("6","9","2","10","7","5","1") = "9"
    & skf18("6","9","2","10","7","6","1") = "9"
    & skf18("6","9","2","10","7","7","1") = "9"
    & skf18("6","9","2","10","7","8","1") = "9"
    & skf18("6","9","2","10","7","9","1") = "9"
    & skf18("6","9","2","10","7","10","1") = "9"
    & skf18("6","9","2","10","8","1","1") = "9"
    & skf18("6","9","2","10","8","2","1") = "9"
    & skf18("6","9","2","10","8","3","1") = "9"
    & skf18("6","9","2","10","8","4","1") = "9"
    & skf18("6","9","2","10","8","5","1") = "9"
    & skf18("6","9","2","10","8","6","1") = "9"
    & skf18("6","9","2","10","8","7","1") = "9"
    & skf18("6","9","2","10","8","8","1") = "9"
    & skf18("6","9","2","10","8","9","1") = "9"
    & skf18("6","9","2","10","8","10","1") = "9"
    & skf18("6","9","2","10","9","1","1") = "9"
    & skf18("6","9","2","10","9","2","1") = "9"
    & skf18("6","9","2","10","9","3","1") = "9"
    & skf18("6","9","2","10","9","4","1") = "9"
    & skf18("6","9","2","10","9","5","1") = "9"
    & skf18("6","9","2","10","9","6","1") = "9"
    & skf18("6","9","2","10","9","7","1") = "9"
    & skf18("6","9","2","10","9","8","1") = "9"
    & skf18("6","9","2","10","9","9","1") = "9"
    & skf18("6","9","2","10","9","10","1") = "9"
    & skf18("6","9","2","10","10","1","1") = "9"
    & skf18("6","9","2","10","10","2","1") = "9"
    & skf18("6","9","2","10","10","3","1") = "9"
    & skf18("6","9","2","10","10","4","1") = "9"
    & skf18("6","9","2","10","10","5","1") = "9"
    & skf18("6","9","2","10","10","6","1") = "9"
    & skf18("6","9","2","10","10","7","1") = "9"
    & skf18("6","9","2","10","10","8","1") = "9"
    & skf18("6","9","2","10","10","9","1") = "9"
    & skf18("6","9","2","10","10","10","1") = "9"
    & skf18("6","9","3","1","1","1","1") = "8"
    & skf18("6","9","3","1","1","2","1") = "8"
    & skf18("6","9","3","1","1","3","1") = "8"
    & skf18("6","9","3","1","1","4","1") = "8"
    & skf18("6","9","3","1","1","5","1") = "8"
    & skf18("6","9","3","1","1","6","1") = "8"
    & skf18("6","9","3","1","1","7","1") = "8"
    & skf18("6","9","3","1","1","8","1") = "8"
    & skf18("6","9","3","1","1","9","1") = "8"
    & skf18("6","9","3","1","1","10","1") = "9"
    & skf18("6","9","3","1","2","1","1") = "8"
    & skf18("6","9","3","1","2","2","1") = "8"
    & skf18("6","9","3","1","2","3","1") = "8"
    & skf18("6","9","3","1","2","4","1") = "8"
    & skf18("6","9","3","1","2","5","1") = "8"
    & skf18("6","9","3","1","2","6","1") = "8"
    & skf18("6","9","3","1","2","7","1") = "8"
    & skf18("6","9","3","1","2","8","1") = "8"
    & skf18("6","9","3","1","2","9","1") = "8"
    & skf18("6","9","3","1","2","10","1") = "9"
    & skf18("6","9","3","1","3","1","1") = "8"
    & skf18("6","9","3","1","3","2","1") = "8"
    & skf18("6","9","3","1","3","3","1") = "8"
    & skf18("6","9","3","1","3","4","1") = "8"
    & skf18("6","9","3","1","3","5","1") = "8"
    & skf18("6","9","3","1","3","6","1") = "8"
    & skf18("6","9","3","1","3","7","1") = "8"
    & skf18("6","9","3","1","3","8","1") = "8"
    & skf18("6","9","3","1","3","9","1") = "8"
    & skf18("6","9","3","1","3","10","1") = "9"
    & skf18("6","9","3","1","4","1","1") = "8"
    & skf18("6","9","3","1","4","2","1") = "8"
    & skf18("6","9","3","1","4","3","1") = "8"
    & skf18("6","9","3","1","4","4","1") = "8"
    & skf18("6","9","3","1","4","5","1") = "8"
    & skf18("6","9","3","1","4","6","1") = "8"
    & skf18("6","9","3","1","4","7","1") = "8"
    & skf18("6","9","3","1","4","8","1") = "8"
    & skf18("6","9","3","1","4","9","1") = "8"
    & skf18("6","9","3","1","4","10","1") = "9"
    & skf18("6","9","3","1","5","1","1") = "8"
    & skf18("6","9","3","1","5","2","1") = "8"
    & skf18("6","9","3","1","5","3","1") = "8"
    & skf18("6","9","3","1","5","4","1") = "8"
    & skf18("6","9","3","1","5","5","1") = "8"
    & skf18("6","9","3","1","5","6","1") = "8"
    & skf18("6","9","3","1","5","7","1") = "8"
    & skf18("6","9","3","1","5","8","1") = "8"
    & skf18("6","9","3","1","5","9","1") = "8"
    & skf18("6","9","3","1","5","10","1") = "9"
    & skf18("6","9","3","1","6","1","1") = "8"
    & skf18("6","9","3","1","6","2","1") = "8"
    & skf18("6","9","3","1","6","3","1") = "8"
    & skf18("6","9","3","1","6","4","1") = "8"
    & skf18("6","9","3","1","6","5","1") = "8"
    & skf18("6","9","3","1","6","6","1") = "8"
    & skf18("6","9","3","1","6","7","1") = "8"
    & skf18("6","9","3","1","6","8","1") = "8"
    & skf18("6","9","3","1","6","9","1") = "8"
    & skf18("6","9","3","1","6","10","1") = "9"
    & skf18("6","9","3","1","7","1","1") = "8"
    & skf18("6","9","3","1","7","2","1") = "8"
    & skf18("6","9","3","1","7","3","1") = "8"
    & skf18("6","9","3","1","7","4","1") = "8"
    & skf18("6","9","3","1","7","5","1") = "8"
    & skf18("6","9","3","1","7","6","1") = "8"
    & skf18("6","9","3","1","7","7","1") = "8"
    & skf18("6","9","3","1","7","8","1") = "8"
    & skf18("6","9","3","1","7","9","1") = "8"
    & skf18("6","9","3","1","7","10","1") = "9"
    & skf18("6","9","3","1","8","1","1") = "8"
    & skf18("6","9","3","1","8","2","1") = "8"
    & skf18("6","9","3","1","8","3","1") = "8"
    & skf18("6","9","3","1","8","4","1") = "8"
    & skf18("6","9","3","1","8","5","1") = "8"
    & skf18("6","9","3","1","8","6","1") = "8"
    & skf18("6","9","3","1","8","7","1") = "8"
    & skf18("6","9","3","1","8","8","1") = "8"
    & skf18("6","9","3","1","8","9","1") = "8"
    & skf18("6","9","3","1","8","10","1") = "9"
    & skf18("6","9","3","1","9","1","1") = "8"
    & skf18("6","9","3","1","9","2","1") = "8"
    & skf18("6","9","3","1","9","3","1") = "8"
    & skf18("6","9","3","1","9","4","1") = "8"
    & skf18("6","9","3","1","9","5","1") = "8"
    & skf18("6","9","3","1","9","6","1") = "8"
    & skf18("6","9","3","1","9","7","1") = "8"
    & skf18("6","9","3","1","9","8","1") = "8"
    & skf18("6","9","3","1","9","9","1") = "8"
    & skf18("6","9","3","1","9","10","1") = "9"
    & skf18("6","9","3","1","10","1","1") = "9"
    & skf18("6","9","3","1","10","2","1") = "9"
    & skf18("6","9","3","1","10","3","1") = "9"
    & skf18("6","9","3","1","10","4","1") = "9"
    & skf18("6","9","3","1","10","5","1") = "9"
    & skf18("6","9","3","1","10","6","1") = "9"
    & skf18("6","9","3","1","10","7","1") = "9"
    & skf18("6","9","3","1","10","8","1") = "9"
    & skf18("6","9","3","1","10","9","1") = "9"
    & skf18("6","9","3","1","10","10","1") = "9"
    & skf18("6","9","3","2","1","1","1") = "8"
    & skf18("6","9","3","2","1","2","1") = "8"
    & skf18("6","9","3","2","1","3","1") = "8"
    & skf18("6","9","3","2","1","4","1") = "8"
    & skf18("6","9","3","2","1","5","1") = "8"
    & skf18("6","9","3","2","1","6","1") = "8"
    & skf18("6","9","3","2","1","7","1") = "8"
    & skf18("6","9","3","2","1","8","1") = "8"
    & skf18("6","9","3","2","1","9","1") = "8"
    & skf18("6","9","3","2","1","10","1") = "9"
    & skf18("6","9","3","2","2","1","1") = "8"
    & skf18("6","9","3","2","2","2","1") = "8"
    & skf18("6","9","3","2","2","3","1") = "8"
    & skf18("6","9","3","2","2","4","1") = "8"
    & skf18("6","9","3","2","2","5","1") = "8"
    & skf18("6","9","3","2","2","6","1") = "8"
    & skf18("6","9","3","2","2","7","1") = "8"
    & skf18("6","9","3","2","2","8","1") = "8"
    & skf18("6","9","3","2","2","9","1") = "8"
    & skf18("6","9","3","2","2","10","1") = "9"
    & skf18("6","9","3","2","3","1","1") = "8"
    & skf18("6","9","3","2","3","2","1") = "8"
    & skf18("6","9","3","2","3","3","1") = "8"
    & skf18("6","9","3","2","3","4","1") = "8"
    & skf18("6","9","3","2","3","5","1") = "8"
    & skf18("6","9","3","2","3","6","1") = "8"
    & skf18("6","9","3","2","3","7","1") = "8"
    & skf18("6","9","3","2","3","8","1") = "8"
    & skf18("6","9","3","2","3","9","1") = "8"
    & skf18("6","9","3","2","3","10","1") = "9"
    & skf18("6","9","3","2","4","1","1") = "8"
    & skf18("6","9","3","2","4","2","1") = "8"
    & skf18("6","9","3","2","4","3","1") = "8"
    & skf18("6","9","3","2","4","4","1") = "8"
    & skf18("6","9","3","2","4","5","1") = "8"
    & skf18("6","9","3","2","4","6","1") = "8"
    & skf18("6","9","3","2","4","7","1") = "8"
    & skf18("6","9","3","2","4","8","1") = "8"
    & skf18("6","9","3","2","4","9","1") = "8"
    & skf18("6","9","3","2","4","10","1") = "9"
    & skf18("6","9","3","2","5","1","1") = "8"
    & skf18("6","9","3","2","5","2","1") = "8"
    & skf18("6","9","3","2","5","3","1") = "8"
    & skf18("6","9","3","2","5","4","1") = "8"
    & skf18("6","9","3","2","5","5","1") = "8"
    & skf18("6","9","3","2","5","6","1") = "8"
    & skf18("6","9","3","2","5","7","1") = "8"
    & skf18("6","9","3","2","5","8","1") = "8"
    & skf18("6","9","3","2","5","9","1") = "8"
    & skf18("6","9","3","2","5","10","1") = "9"
    & skf18("6","9","3","2","6","1","1") = "8"
    & skf18("6","9","3","2","6","2","1") = "8"
    & skf18("6","9","3","2","6","3","1") = "8"
    & skf18("6","9","3","2","6","4","1") = "8"
    & skf18("6","9","3","2","6","5","1") = "8"
    & skf18("6","9","3","2","6","6","1") = "8"
    & skf18("6","9","3","2","6","7","1") = "8"
    & skf18("6","9","3","2","6","8","1") = "8"
    & skf18("6","9","3","2","6","9","1") = "8"
    & skf18("6","9","3","2","6","10","1") = "9"
    & skf18("6","9","3","2","7","1","1") = "8"
    & skf18("6","9","3","2","7","2","1") = "8"
    & skf18("6","9","3","2","7","3","1") = "8"
    & skf18("6","9","3","2","7","4","1") = "8"
    & skf18("6","9","3","2","7","5","1") = "8"
    & skf18("6","9","3","2","7","6","1") = "8"
    & skf18("6","9","3","2","7","7","1") = "8"
    & skf18("6","9","3","2","7","8","1") = "8"
    & skf18("6","9","3","2","7","9","1") = "8"
    & skf18("6","9","3","2","7","10","1") = "9"
    & skf18("6","9","3","2","8","1","1") = "8"
    & skf18("6","9","3","2","8","2","1") = "8"
    & skf18("6","9","3","2","8","3","1") = "8"
    & skf18("6","9","3","2","8","4","1") = "8"
    & skf18("6","9","3","2","8","5","1") = "8"
    & skf18("6","9","3","2","8","6","1") = "8"
    & skf18("6","9","3","2","8","7","1") = "8"
    & skf18("6","9","3","2","8","8","1") = "8"
    & skf18("6","9","3","2","8","9","1") = "8"
    & skf18("6","9","3","2","8","10","1") = "9"
    & skf18("6","9","3","2","9","1","1") = "8"
    & skf18("6","9","3","2","9","2","1") = "8"
    & skf18("6","9","3","2","9","3","1") = "8"
    & skf18("6","9","3","2","9","4","1") = "8"
    & skf18("6","9","3","2","9","5","1") = "8"
    & skf18("6","9","3","2","9","6","1") = "8"
    & skf18("6","9","3","2","9","7","1") = "8"
    & skf18("6","9","3","2","9","8","1") = "8"
    & skf18("6","9","3","2","9","9","1") = "8"
    & skf18("6","9","3","2","9","10","1") = "9"
    & skf18("6","9","3","2","10","1","1") = "9"
    & skf18("6","9","3","2","10","2","1") = "9"
    & skf18("6","9","3","2","10","3","1") = "9"
    & skf18("6","9","3","2","10","4","1") = "9"
    & skf18("6","9","3","2","10","5","1") = "9"
    & skf18("6","9","3","2","10","6","1") = "9"
    & skf18("6","9","3","2","10","7","1") = "9"
    & skf18("6","9","3","2","10","8","1") = "9"
    & skf18("6","9","3","2","10","9","1") = "9"
    & skf18("6","9","3","2","10","10","1") = "9"
    & skf18("6","9","3","3","1","1","1") = "8"
    & skf18("6","9","3","3","1","2","1") = "8"
    & skf18("6","9","3","3","1","3","1") = "8"
    & skf18("6","9","3","3","1","4","1") = "8"
    & skf18("6","9","3","3","1","5","1") = "8"
    & skf18("6","9","3","3","1","6","1") = "8"
    & skf18("6","9","3","3","1","7","1") = "8"
    & skf18("6","9","3","3","1","8","1") = "8"
    & skf18("6","9","3","3","1","9","1") = "8"
    & skf18("6","9","3","3","1","10","1") = "9"
    & skf18("6","9","3","3","2","1","1") = "8"
    & skf18("6","9","3","3","2","2","1") = "8"
    & skf18("6","9","3","3","2","3","1") = "8"
    & skf18("6","9","3","3","2","4","1") = "8"
    & skf18("6","9","3","3","2","5","1") = "8"
    & skf18("6","9","3","3","2","6","1") = "8"
    & skf18("6","9","3","3","2","7","1") = "8"
    & skf18("6","9","3","3","2","8","1") = "8"
    & skf18("6","9","3","3","2","9","1") = "8"
    & skf18("6","9","3","3","2","10","1") = "9"
    & skf18("6","9","3","3","3","1","1") = "8"
    & skf18("6","9","3","3","3","2","1") = "8"
    & skf18("6","9","3","3","3","3","1") = "8"
    & skf18("6","9","3","3","3","4","1") = "8"
    & skf18("6","9","3","3","3","5","1") = "8"
    & skf18("6","9","3","3","3","6","1") = "8"
    & skf18("6","9","3","3","3","7","1") = "8"
    & skf18("6","9","3","3","3","8","1") = "8"
    & skf18("6","9","3","3","3","9","1") = "8"
    & skf18("6","9","3","3","3","10","1") = "9"
    & skf18("6","9","3","3","4","1","1") = "8"
    & skf18("6","9","3","3","4","2","1") = "8"
    & skf18("6","9","3","3","4","3","1") = "8"
    & skf18("6","9","3","3","4","4","1") = "8"
    & skf18("6","9","3","3","4","5","1") = "8"
    & skf18("6","9","3","3","4","6","1") = "8"
    & skf18("6","9","3","3","4","7","1") = "8"
    & skf18("6","9","3","3","4","8","1") = "8"
    & skf18("6","9","3","3","4","9","1") = "8"
    & skf18("6","9","3","3","4","10","1") = "9"
    & skf18("6","9","3","3","5","1","1") = "8"
    & skf18("6","9","3","3","5","2","1") = "8"
    & skf18("6","9","3","3","5","3","1") = "8"
    & skf18("6","9","3","3","5","4","1") = "8"
    & skf18("6","9","3","3","5","5","1") = "8"
    & skf18("6","9","3","3","5","6","1") = "8"
    & skf18("6","9","3","3","5","7","1") = "8"
    & skf18("6","9","3","3","5","8","1") = "8"
    & skf18("6","9","3","3","5","9","1") = "8"
    & skf18("6","9","3","3","5","10","1") = "9"
    & skf18("6","9","3","3","6","1","1") = "8"
    & skf18("6","9","3","3","6","2","1") = "8"
    & skf18("6","9","3","3","6","3","1") = "8"
    & skf18("6","9","3","3","6","4","1") = "8"
    & skf18("6","9","3","3","6","5","1") = "8"
    & skf18("6","9","3","3","6","6","1") = "8"
    & skf18("6","9","3","3","6","7","1") = "8"
    & skf18("6","9","3","3","6","8","1") = "8"
    & skf18("6","9","3","3","6","9","1") = "8"
    & skf18("6","9","3","3","6","10","1") = "9"
    & skf18("6","9","3","3","7","1","1") = "8"
    & skf18("6","9","3","3","7","2","1") = "8"
    & skf18("6","9","3","3","7","3","1") = "8"
    & skf18("6","9","3","3","7","4","1") = "8"
    & skf18("6","9","3","3","7","5","1") = "8"
    & skf18("6","9","3","3","7","6","1") = "8"
    & skf18("6","9","3","3","7","7","1") = "8"
    & skf18("6","9","3","3","7","8","1") = "8"
    & skf18("6","9","3","3","7","9","1") = "8"
    & skf18("6","9","3","3","7","10","1") = "9"
    & skf18("6","9","3","3","8","1","1") = "8"
    & skf18("6","9","3","3","8","2","1") = "8"
    & skf18("6","9","3","3","8","3","1") = "8"
    & skf18("6","9","3","3","8","4","1") = "8"
    & skf18("6","9","3","3","8","5","1") = "8"
    & skf18("6","9","3","3","8","6","1") = "8"
    & skf18("6","9","3","3","8","7","1") = "8"
    & skf18("6","9","3","3","8","8","1") = "8"
    & skf18("6","9","3","3","8","9","1") = "8"
    & skf18("6","9","3","3","8","10","1") = "9"
    & skf18("6","9","3","3","9","1","1") = "8"
    & skf18("6","9","3","3","9","2","1") = "8"
    & skf18("6","9","3","3","9","3","1") = "8"
    & skf18("6","9","3","3","9","4","1") = "8"
    & skf18("6","9","3","3","9","5","1") = "8"
    & skf18("6","9","3","3","9","6","1") = "8"
    & skf18("6","9","3","3","9","7","1") = "8"
    & skf18("6","9","3","3","9","8","1") = "8"
    & skf18("6","9","3","3","9","9","1") = "8"
    & skf18("6","9","3","3","9","10","1") = "9"
    & skf18("6","9","3","3","10","1","1") = "9"
    & skf18("6","9","3","3","10","2","1") = "9"
    & skf18("6","9","3","3","10","3","1") = "9"
    & skf18("6","9","3","3","10","4","1") = "9"
    & skf18("6","9","3","3","10","5","1") = "9"
    & skf18("6","9","3","3","10","6","1") = "9"
    & skf18("6","9","3","3","10","7","1") = "9"
    & skf18("6","9","3","3","10","8","1") = "9"
    & skf18("6","9","3","3","10","9","1") = "9"
    & skf18("6","9","3","3","10","10","1") = "9"
    & skf18("6","9","3","4","1","1","1") = "8"
    & skf18("6","9","3","4","1","2","1") = "8"
    & skf18("6","9","3","4","1","3","1") = "8"
    & skf18("6","9","3","4","1","4","1") = "8"
    & skf18("6","9","3","4","1","5","1") = "8"
    & skf18("6","9","3","4","1","6","1") = "8"
    & skf18("6","9","3","4","1","7","1") = "8"
    & skf18("6","9","3","4","1","8","1") = "8"
    & skf18("6","9","3","4","1","9","1") = "8"
    & skf18("6","9","3","4","1","10","1") = "9"
    & skf18("6","9","3","4","2","1","1") = "8"
    & skf18("6","9","3","4","2","2","1") = "8"
    & skf18("6","9","3","4","2","3","1") = "8"
    & skf18("6","9","3","4","2","4","1") = "8"
    & skf18("6","9","3","4","2","5","1") = "8"
    & skf18("6","9","3","4","2","6","1") = "8"
    & skf18("6","9","3","4","2","7","1") = "8"
    & skf18("6","9","3","4","2","8","1") = "8"
    & skf18("6","9","3","4","2","9","1") = "8"
    & skf18("6","9","3","4","2","10","1") = "9"
    & skf18("6","9","3","4","3","1","1") = "8"
    & skf18("6","9","3","4","3","2","1") = "8"
    & skf18("6","9","3","4","3","3","1") = "8"
    & skf18("6","9","3","4","3","4","1") = "8"
    & skf18("6","9","3","4","3","5","1") = "8"
    & skf18("6","9","3","4","3","6","1") = "8"
    & skf18("6","9","3","4","3","7","1") = "8"
    & skf18("6","9","3","4","3","8","1") = "8"
    & skf18("6","9","3","4","3","9","1") = "8"
    & skf18("6","9","3","4","3","10","1") = "9"
    & skf18("6","9","3","4","4","1","1") = "8"
    & skf18("6","9","3","4","4","2","1") = "8"
    & skf18("6","9","3","4","4","3","1") = "8"
    & skf18("6","9","3","4","4","4","1") = "8"
    & skf18("6","9","3","4","4","5","1") = "8"
    & skf18("6","9","3","4","4","6","1") = "8"
    & skf18("6","9","3","4","4","7","1") = "8"
    & skf18("6","9","3","4","4","8","1") = "8"
    & skf18("6","9","3","4","4","9","1") = "8"
    & skf18("6","9","3","4","4","10","1") = "9"
    & skf18("6","9","3","4","5","1","1") = "8"
    & skf18("6","9","3","4","5","2","1") = "8"
    & skf18("6","9","3","4","5","3","1") = "8"
    & skf18("6","9","3","4","5","4","1") = "8"
    & skf18("6","9","3","4","5","5","1") = "8"
    & skf18("6","9","3","4","5","6","1") = "8"
    & skf18("6","9","3","4","5","7","1") = "8"
    & skf18("6","9","3","4","5","8","1") = "8"
    & skf18("6","9","3","4","5","9","1") = "8"
    & skf18("6","9","3","4","5","10","1") = "9"
    & skf18("6","9","3","4","6","1","1") = "8"
    & skf18("6","9","3","4","6","2","1") = "8"
    & skf18("6","9","3","4","6","3","1") = "8"
    & skf18("6","9","3","4","6","4","1") = "8"
    & skf18("6","9","3","4","6","5","1") = "8"
    & skf18("6","9","3","4","6","6","1") = "8"
    & skf18("6","9","3","4","6","7","1") = "8"
    & skf18("6","9","3","4","6","8","1") = "8"
    & skf18("6","9","3","4","6","9","1") = "8"
    & skf18("6","9","3","4","6","10","1") = "9"
    & skf18("6","9","3","4","7","1","1") = "8"
    & skf18("6","9","3","4","7","2","1") = "8"
    & skf18("6","9","3","4","7","3","1") = "8"
    & skf18("6","9","3","4","7","4","1") = "8"
    & skf18("6","9","3","4","7","5","1") = "8"
    & skf18("6","9","3","4","7","6","1") = "8"
    & skf18("6","9","3","4","7","7","1") = "8"
    & skf18("6","9","3","4","7","8","1") = "8"
    & skf18("6","9","3","4","7","9","1") = "8"
    & skf18("6","9","3","4","7","10","1") = "9"
    & skf18("6","9","3","4","8","1","1") = "8"
    & skf18("6","9","3","4","8","2","1") = "8"
    & skf18("6","9","3","4","8","3","1") = "8"
    & skf18("6","9","3","4","8","4","1") = "8"
    & skf18("6","9","3","4","8","5","1") = "8"
    & skf18("6","9","3","4","8","6","1") = "8"
    & skf18("6","9","3","4","8","7","1") = "8"
    & skf18("6","9","3","4","8","8","1") = "8"
    & skf18("6","9","3","4","8","9","1") = "8"
    & skf18("6","9","3","4","8","10","1") = "9"
    & skf18("6","9","3","4","9","1","1") = "8"
    & skf18("6","9","3","4","9","2","1") = "8"
    & skf18("6","9","3","4","9","3","1") = "8"
    & skf18("6","9","3","4","9","4","1") = "8"
    & skf18("6","9","3","4","9","5","1") = "8"
    & skf18("6","9","3","4","9","6","1") = "8"
    & skf18("6","9","3","4","9","7","1") = "8"
    & skf18("6","9","3","4","9","8","1") = "8"
    & skf18("6","9","3","4","9","9","1") = "8"
    & skf18("6","9","3","4","9","10","1") = "9"
    & skf18("6","9","3","4","10","1","1") = "9"
    & skf18("6","9","3","4","10","2","1") = "9"
    & skf18("6","9","3","4","10","3","1") = "9"
    & skf18("6","9","3","4","10","4","1") = "9"
    & skf18("6","9","3","4","10","5","1") = "9"
    & skf18("6","9","3","4","10","6","1") = "9"
    & skf18("6","9","3","4","10","7","1") = "9"
    & skf18("6","9","3","4","10","8","1") = "9"
    & skf18("6","9","3","4","10","9","1") = "9"
    & skf18("6","9","3","4","10","10","1") = "9"
    & skf18("6","9","3","5","1","1","1") = "8"
    & skf18("6","9","3","5","1","2","1") = "8"
    & skf18("6","9","3","5","1","3","1") = "8"
    & skf18("6","9","3","5","1","4","1") = "8"
    & skf18("6","9","3","5","1","5","1") = "8"
    & skf18("6","9","3","5","1","6","1") = "8"
    & skf18("6","9","3","5","1","7","1") = "8"
    & skf18("6","9","3","5","1","8","1") = "8"
    & skf18("6","9","3","5","1","9","1") = "8"
    & skf18("6","9","3","5","1","10","1") = "9"
    & skf18("6","9","3","5","2","1","1") = "8"
    & skf18("6","9","3","5","2","2","1") = "8"
    & skf18("6","9","3","5","2","3","1") = "8"
    & skf18("6","9","3","5","2","4","1") = "8"
    & skf18("6","9","3","5","2","5","1") = "8"
    & skf18("6","9","3","5","2","6","1") = "8"
    & skf18("6","9","3","5","2","7","1") = "8"
    & skf18("6","9","3","5","2","8","1") = "8"
    & skf18("6","9","3","5","2","9","1") = "8"
    & skf18("6","9","3","5","2","10","1") = "9"
    & skf18("6","9","3","5","3","1","1") = "8"
    & skf18("6","9","3","5","3","2","1") = "8"
    & skf18("6","9","3","5","3","3","1") = "8"
    & skf18("6","9","3","5","3","4","1") = "8"
    & skf18("6","9","3","5","3","5","1") = "8"
    & skf18("6","9","3","5","3","6","1") = "8"
    & skf18("6","9","3","5","3","7","1") = "8"
    & skf18("6","9","3","5","3","8","1") = "8"
    & skf18("6","9","3","5","3","9","1") = "8"
    & skf18("6","9","3","5","3","10","1") = "9"
    & skf18("6","9","3","5","4","1","1") = "8"
    & skf18("6","9","3","5","4","2","1") = "8"
    & skf18("6","9","3","5","4","3","1") = "8"
    & skf18("6","9","3","5","4","4","1") = "8"
    & skf18("6","9","3","5","4","5","1") = "8"
    & skf18("6","9","3","5","4","6","1") = "8"
    & skf18("6","9","3","5","4","7","1") = "8"
    & skf18("6","9","3","5","4","8","1") = "8"
    & skf18("6","9","3","5","4","9","1") = "8"
    & skf18("6","9","3","5","4","10","1") = "9"
    & skf18("6","9","3","5","5","1","1") = "8"
    & skf18("6","9","3","5","5","2","1") = "8"
    & skf18("6","9","3","5","5","3","1") = "8"
    & skf18("6","9","3","5","5","4","1") = "8"
    & skf18("6","9","3","5","5","5","1") = "8"
    & skf18("6","9","3","5","5","6","1") = "8"
    & skf18("6","9","3","5","5","7","1") = "8"
    & skf18("6","9","3","5","5","8","1") = "8"
    & skf18("6","9","3","5","5","9","1") = "8"
    & skf18("6","9","3","5","5","10","1") = "9"
    & skf18("6","9","3","5","6","1","1") = "8"
    & skf18("6","9","3","5","6","2","1") = "8"
    & skf18("6","9","3","5","6","3","1") = "8"
    & skf18("6","9","3","5","6","4","1") = "8"
    & skf18("6","9","3","5","6","5","1") = "8"
    & skf18("6","9","3","5","6","6","1") = "8"
    & skf18("6","9","3","5","6","7","1") = "8"
    & skf18("6","9","3","5","6","8","1") = "8"
    & skf18("6","9","3","5","6","9","1") = "8"
    & skf18("6","9","3","5","6","10","1") = "9"
    & skf18("6","9","3","5","7","1","1") = "8"
    & skf18("6","9","3","5","7","2","1") = "8"
    & skf18("6","9","3","5","7","3","1") = "8"
    & skf18("6","9","3","5","7","4","1") = "8"
    & skf18("6","9","3","5","7","5","1") = "8"
    & skf18("6","9","3","5","7","6","1") = "8"
    & skf18("6","9","3","5","7","7","1") = "8"
    & skf18("6","9","3","5","7","8","1") = "8"
    & skf18("6","9","3","5","7","9","1") = "8"
    & skf18("6","9","3","5","7","10","1") = "9"
    & skf18("6","9","3","5","8","1","1") = "8"
    & skf18("6","9","3","5","8","2","1") = "8"
    & skf18("6","9","3","5","8","3","1") = "8"
    & skf18("6","9","3","5","8","4","1") = "8"
    & skf18("6","9","3","5","8","5","1") = "8"
    & skf18("6","9","3","5","8","6","1") = "8"
    & skf18("6","9","3","5","8","7","1") = "8"
    & skf18("6","9","3","5","8","8","1") = "8"
    & skf18("6","9","3","5","8","9","1") = "8"
    & skf18("6","9","3","5","8","10","1") = "9"
    & skf18("6","9","3","5","9","1","1") = "8"
    & skf18("6","9","3","5","9","2","1") = "8"
    & skf18("6","9","3","5","9","3","1") = "8"
    & skf18("6","9","3","5","9","4","1") = "8"
    & skf18("6","9","3","5","9","5","1") = "8"
    & skf18("6","9","3","5","9","6","1") = "8"
    & skf18("6","9","3","5","9","7","1") = "8"
    & skf18("6","9","3","5","9","8","1") = "8"
    & skf18("6","9","3","5","9","9","1") = "8"
    & skf18("6","9","3","5","9","10","1") = "9"
    & skf18("6","9","3","5","10","1","1") = "9"
    & skf18("6","9","3","5","10","2","1") = "9"
    & skf18("6","9","3","5","10","3","1") = "9"
    & skf18("6","9","3","5","10","4","1") = "9"
    & skf18("6","9","3","5","10","5","1") = "9"
    & skf18("6","9","3","5","10","6","1") = "9"
    & skf18("6","9","3","5","10","7","1") = "9"
    & skf18("6","9","3","5","10","8","1") = "9"
    & skf18("6","9","3","5","10","9","1") = "9"
    & skf18("6","9","3","5","10","10","1") = "9"
    & skf18("6","9","3","6","1","1","1") = "8"
    & skf18("6","9","3","6","1","2","1") = "8"
    & skf18("6","9","3","6","1","3","1") = "8"
    & skf18("6","9","3","6","1","4","1") = "8"
    & skf18("6","9","3","6","1","5","1") = "8"
    & skf18("6","9","3","6","1","6","1") = "8"
    & skf18("6","9","3","6","1","7","1") = "8"
    & skf18("6","9","3","6","1","8","1") = "8"
    & skf18("6","9","3","6","1","9","1") = "8"
    & skf18("6","9","3","6","1","10","1") = "9"
    & skf18("6","9","3","6","2","1","1") = "8"
    & skf18("6","9","3","6","2","2","1") = "8"
    & skf18("6","9","3","6","2","3","1") = "8"
    & skf18("6","9","3","6","2","4","1") = "8"
    & skf18("6","9","3","6","2","5","1") = "8"
    & skf18("6","9","3","6","2","6","1") = "8"
    & skf18("6","9","3","6","2","7","1") = "8"
    & skf18("6","9","3","6","2","8","1") = "8"
    & skf18("6","9","3","6","2","9","1") = "8"
    & skf18("6","9","3","6","2","10","1") = "9"
    & skf18("6","9","3","6","3","1","1") = "8"
    & skf18("6","9","3","6","3","2","1") = "8"
    & skf18("6","9","3","6","3","3","1") = "8"
    & skf18("6","9","3","6","3","4","1") = "8"
    & skf18("6","9","3","6","3","5","1") = "8"
    & skf18("6","9","3","6","3","6","1") = "8"
    & skf18("6","9","3","6","3","7","1") = "8"
    & skf18("6","9","3","6","3","8","1") = "8"
    & skf18("6","9","3","6","3","9","1") = "8"
    & skf18("6","9","3","6","3","10","1") = "9"
    & skf18("6","9","3","6","4","1","1") = "8"
    & skf18("6","9","3","6","4","2","1") = "8"
    & skf18("6","9","3","6","4","3","1") = "8"
    & skf18("6","9","3","6","4","4","1") = "8"
    & skf18("6","9","3","6","4","5","1") = "8"
    & skf18("6","9","3","6","4","6","1") = "8"
    & skf18("6","9","3","6","4","7","1") = "8"
    & skf18("6","9","3","6","4","8","1") = "8"
    & skf18("6","9","3","6","4","9","1") = "8"
    & skf18("6","9","3","6","4","10","1") = "9"
    & skf18("6","9","3","6","5","1","1") = "8"
    & skf18("6","9","3","6","5","2","1") = "8"
    & skf18("6","9","3","6","5","3","1") = "8"
    & skf18("6","9","3","6","5","4","1") = "8"
    & skf18("6","9","3","6","5","5","1") = "8"
    & skf18("6","9","3","6","5","6","1") = "8"
    & skf18("6","9","3","6","5","7","1") = "8"
    & skf18("6","9","3","6","5","8","1") = "8"
    & skf18("6","9","3","6","5","9","1") = "8"
    & skf18("6","9","3","6","5","10","1") = "9"
    & skf18("6","9","3","6","6","1","1") = "8"
    & skf18("6","9","3","6","6","2","1") = "8"
    & skf18("6","9","3","6","6","3","1") = "8"
    & skf18("6","9","3","6","6","4","1") = "8"
    & skf18("6","9","3","6","6","5","1") = "8"
    & skf18("6","9","3","6","6","6","1") = "8"
    & skf18("6","9","3","6","6","7","1") = "8"
    & skf18("6","9","3","6","6","8","1") = "8"
    & skf18("6","9","3","6","6","9","1") = "8"
    & skf18("6","9","3","6","6","10","1") = "9"
    & skf18("6","9","3","6","7","1","1") = "8"
    & skf18("6","9","3","6","7","2","1") = "8"
    & skf18("6","9","3","6","7","3","1") = "8"
    & skf18("6","9","3","6","7","4","1") = "8"
    & skf18("6","9","3","6","7","5","1") = "8"
    & skf18("6","9","3","6","7","6","1") = "8"
    & skf18("6","9","3","6","7","7","1") = "8"
    & skf18("6","9","3","6","7","8","1") = "8"
    & skf18("6","9","3","6","7","9","1") = "8"
    & skf18("6","9","3","6","7","10","1") = "9"
    & skf18("6","9","3","6","8","1","1") = "8"
    & skf18("6","9","3","6","8","2","1") = "8"
    & skf18("6","9","3","6","8","3","1") = "8"
    & skf18("6","9","3","6","8","4","1") = "8"
    & skf18("6","9","3","6","8","5","1") = "8"
    & skf18("6","9","3","6","8","6","1") = "8"
    & skf18("6","9","3","6","8","7","1") = "8"
    & skf18("6","9","3","6","8","8","1") = "8"
    & skf18("6","9","3","6","8","9","1") = "8"
    & skf18("6","9","3","6","8","10","1") = "9"
    & skf18("6","9","3","6","9","1","1") = "8"
    & skf18("6","9","3","6","9","2","1") = "8"
    & skf18("6","9","3","6","9","3","1") = "8"
    & skf18("6","9","3","6","9","4","1") = "8"
    & skf18("6","9","3","6","9","5","1") = "8"
    & skf18("6","9","3","6","9","6","1") = "8"
    & skf18("6","9","3","6","9","7","1") = "8"
    & skf18("6","9","3","6","9","8","1") = "8"
    & skf18("6","9","3","6","9","9","1") = "8"
    & skf18("6","9","3","6","9","10","1") = "9"
    & skf18("6","9","3","6","10","1","1") = "9"
    & skf18("6","9","3","6","10","2","1") = "9"
    & skf18("6","9","3","6","10","3","1") = "9"
    & skf18("6","9","3","6","10","4","1") = "9"
    & skf18("6","9","3","6","10","5","1") = "9"
    & skf18("6","9","3","6","10","6","1") = "9"
    & skf18("6","9","3","6","10","7","1") = "9"
    & skf18("6","9","3","6","10","8","1") = "9"
    & skf18("6","9","3","6","10","9","1") = "9"
    & skf18("6","9","3","6","10","10","1") = "9"
    & skf18("6","9","3","7","1","1","1") = "8"
    & skf18("6","9","3","7","1","2","1") = "8"
    & skf18("6","9","3","7","1","3","1") = "8"
    & skf18("6","9","3","7","1","4","1") = "8"
    & skf18("6","9","3","7","1","5","1") = "8"
    & skf18("6","9","3","7","1","6","1") = "8"
    & skf18("6","9","3","7","1","7","1") = "8"
    & skf18("6","9","3","7","1","8","1") = "8"
    & skf18("6","9","3","7","1","9","1") = "8"
    & skf18("6","9","3","7","1","10","1") = "9"
    & skf18("6","9","3","7","2","1","1") = "8"
    & skf18("6","9","3","7","2","2","1") = "8"
    & skf18("6","9","3","7","2","3","1") = "8"
    & skf18("6","9","3","7","2","4","1") = "8"
    & skf18("6","9","3","7","2","5","1") = "8"
    & skf18("6","9","3","7","2","6","1") = "8"
    & skf18("6","9","3","7","2","7","1") = "8"
    & skf18("6","9","3","7","2","8","1") = "8"
    & skf18("6","9","3","7","2","9","1") = "8"
    & skf18("6","9","3","7","2","10","1") = "9"
    & skf18("6","9","3","7","3","1","1") = "8"
    & skf18("6","9","3","7","3","2","1") = "8"
    & skf18("6","9","3","7","3","3","1") = "8"
    & skf18("6","9","3","7","3","4","1") = "8"
    & skf18("6","9","3","7","3","5","1") = "8"
    & skf18("6","9","3","7","3","6","1") = "8"
    & skf18("6","9","3","7","3","7","1") = "8"
    & skf18("6","9","3","7","3","8","1") = "8"
    & skf18("6","9","3","7","3","9","1") = "8"
    & skf18("6","9","3","7","3","10","1") = "9"
    & skf18("6","9","3","7","4","1","1") = "8"
    & skf18("6","9","3","7","4","2","1") = "8"
    & skf18("6","9","3","7","4","3","1") = "8"
    & skf18("6","9","3","7","4","4","1") = "8"
    & skf18("6","9","3","7","4","5","1") = "8"
    & skf18("6","9","3","7","4","6","1") = "8"
    & skf18("6","9","3","7","4","7","1") = "8"
    & skf18("6","9","3","7","4","8","1") = "8"
    & skf18("6","9","3","7","4","9","1") = "8"
    & skf18("6","9","3","7","4","10","1") = "9"
    & skf18("6","9","3","7","5","1","1") = "8"
    & skf18("6","9","3","7","5","2","1") = "8"
    & skf18("6","9","3","7","5","3","1") = "8"
    & skf18("6","9","3","7","5","4","1") = "8"
    & skf18("6","9","3","7","5","5","1") = "8"
    & skf18("6","9","3","7","5","6","1") = "8"
    & skf18("6","9","3","7","5","7","1") = "8"
    & skf18("6","9","3","7","5","8","1") = "8"
    & skf18("6","9","3","7","5","9","1") = "8"
    & skf18("6","9","3","7","5","10","1") = "9"
    & skf18("6","9","3","7","6","1","1") = "8"
    & skf18("6","9","3","7","6","2","1") = "8"
    & skf18("6","9","3","7","6","3","1") = "8"
    & skf18("6","9","3","7","6","4","1") = "8"
    & skf18("6","9","3","7","6","5","1") = "8"
    & skf18("6","9","3","7","6","6","1") = "8"
    & skf18("6","9","3","7","6","7","1") = "8"
    & skf18("6","9","3","7","6","8","1") = "8"
    & skf18("6","9","3","7","6","9","1") = "8"
    & skf18("6","9","3","7","6","10","1") = "9"
    & skf18("6","9","3","7","7","1","1") = "8"
    & skf18("6","9","3","7","7","2","1") = "8"
    & skf18("6","9","3","7","7","3","1") = "8"
    & skf18("6","9","3","7","7","4","1") = "8"
    & skf18("6","9","3","7","7","5","1") = "8"
    & skf18("6","9","3","7","7","6","1") = "8"
    & skf18("6","9","3","7","7","7","1") = "8"
    & skf18("6","9","3","7","7","8","1") = "8"
    & skf18("6","9","3","7","7","9","1") = "8"
    & skf18("6","9","3","7","7","10","1") = "9"
    & skf18("6","9","3","7","8","1","1") = "8"
    & skf18("6","9","3","7","8","2","1") = "8"
    & skf18("6","9","3","7","8","3","1") = "8"
    & skf18("6","9","3","7","8","4","1") = "8"
    & skf18("6","9","3","7","8","5","1") = "8"
    & skf18("6","9","3","7","8","6","1") = "8"
    & skf18("6","9","3","7","8","7","1") = "8"
    & skf18("6","9","3","7","8","8","1") = "8"
    & skf18("6","9","3","7","8","9","1") = "8"
    & skf18("6","9","3","7","8","10","1") = "9"
    & skf18("6","9","3","7","9","1","1") = "8"
    & skf18("6","9","3","7","9","2","1") = "8"
    & skf18("6","9","3","7","9","3","1") = "8"
    & skf18("6","9","3","7","9","4","1") = "8"
    & skf18("6","9","3","7","9","5","1") = "8"
    & skf18("6","9","3","7","9","6","1") = "8"
    & skf18("6","9","3","7","9","7","1") = "8"
    & skf18("6","9","3","7","9","8","1") = "8"
    & skf18("6","9","3","7","9","9","1") = "8"
    & skf18("6","9","3","7","9","10","1") = "9"
    & skf18("6","9","3","7","10","1","1") = "9"
    & skf18("6","9","3","7","10","2","1") = "9"
    & skf18("6","9","3","7","10","3","1") = "9"
    & skf18("6","9","3","7","10","4","1") = "9"
    & skf18("6","9","3","7","10","5","1") = "9"
    & skf18("6","9","3","7","10","6","1") = "9"
    & skf18("6","9","3","7","10","7","1") = "9"
    & skf18("6","9","3","7","10","8","1") = "9"
    & skf18("6","9","3","7","10","9","1") = "9"
    & skf18("6","9","3","7","10","10","1") = "9"
    & skf18("6","9","3","8","1","1","1") = "8"
    & skf18("6","9","3","8","1","2","1") = "8"
    & skf18("6","9","3","8","1","3","1") = "8"
    & skf18("6","9","3","8","1","4","1") = "8"
    & skf18("6","9","3","8","1","5","1") = "8"
    & skf18("6","9","3","8","1","6","1") = "8"
    & skf18("6","9","3","8","1","7","1") = "8"
    & skf18("6","9","3","8","1","8","1") = "8"
    & skf18("6","9","3","8","1","9","1") = "8"
    & skf18("6","9","3","8","1","10","1") = "9"
    & skf18("6","9","3","8","2","1","1") = "8"
    & skf18("6","9","3","8","2","2","1") = "8"
    & skf18("6","9","3","8","2","3","1") = "8"
    & skf18("6","9","3","8","2","4","1") = "8"
    & skf18("6","9","3","8","2","5","1") = "8"
    & skf18("6","9","3","8","2","6","1") = "8"
    & skf18("6","9","3","8","2","7","1") = "8"
    & skf18("6","9","3","8","2","8","1") = "8"
    & skf18("6","9","3","8","2","9","1") = "8"
    & skf18("6","9","3","8","2","10","1") = "9"
    & skf18("6","9","3","8","3","1","1") = "8"
    & skf18("6","9","3","8","3","2","1") = "8"
    & skf18("6","9","3","8","3","3","1") = "8"
    & skf18("6","9","3","8","3","4","1") = "8"
    & skf18("6","9","3","8","3","5","1") = "8"
    & skf18("6","9","3","8","3","6","1") = "8"
    & skf18("6","9","3","8","3","7","1") = "8"
    & skf18("6","9","3","8","3","8","1") = "8"
    & skf18("6","9","3","8","3","9","1") = "8"
    & skf18("6","9","3","8","3","10","1") = "9"
    & skf18("6","9","3","8","4","1","1") = "8"
    & skf18("6","9","3","8","4","2","1") = "8"
    & skf18("6","9","3","8","4","3","1") = "8"
    & skf18("6","9","3","8","4","4","1") = "8"
    & skf18("6","9","3","8","4","5","1") = "8"
    & skf18("6","9","3","8","4","6","1") = "8"
    & skf18("6","9","3","8","4","7","1") = "8"
    & skf18("6","9","3","8","4","8","1") = "8"
    & skf18("6","9","3","8","4","9","1") = "8"
    & skf18("6","9","3","8","4","10","1") = "9"
    & skf18("6","9","3","8","5","1","1") = "8"
    & skf18("6","9","3","8","5","2","1") = "8"
    & skf18("6","9","3","8","5","3","1") = "8"
    & skf18("6","9","3","8","5","4","1") = "8"
    & skf18("6","9","3","8","5","5","1") = "8"
    & skf18("6","9","3","8","5","6","1") = "8"
    & skf18("6","9","3","8","5","7","1") = "8"
    & skf18("6","9","3","8","5","8","1") = "8"
    & skf18("6","9","3","8","5","9","1") = "8"
    & skf18("6","9","3","8","5","10","1") = "9"
    & skf18("6","9","3","8","6","1","1") = "8"
    & skf18("6","9","3","8","6","2","1") = "8"
    & skf18("6","9","3","8","6","3","1") = "8"
    & skf18("6","9","3","8","6","4","1") = "8"
    & skf18("6","9","3","8","6","5","1") = "8"
    & skf18("6","9","3","8","6","6","1") = "8"
    & skf18("6","9","3","8","6","7","1") = "8"
    & skf18("6","9","3","8","6","8","1") = "8"
    & skf18("6","9","3","8","6","9","1") = "8"
    & skf18("6","9","3","8","6","10","1") = "9"
    & skf18("6","9","3","8","7","1","1") = "8"
    & skf18("6","9","3","8","7","2","1") = "8"
    & skf18("6","9","3","8","7","3","1") = "8"
    & skf18("6","9","3","8","7","4","1") = "8"
    & skf18("6","9","3","8","7","5","1") = "8"
    & skf18("6","9","3","8","7","6","1") = "8"
    & skf18("6","9","3","8","7","7","1") = "8"
    & skf18("6","9","3","8","7","8","1") = "8"
    & skf18("6","9","3","8","7","9","1") = "8"
    & skf18("6","9","3","8","7","10","1") = "9"
    & skf18("6","9","3","8","8","1","1") = "8"
    & skf18("6","9","3","8","8","2","1") = "8"
    & skf18("6","9","3","8","8","3","1") = "8"
    & skf18("6","9","3","8","8","4","1") = "8"
    & skf18("6","9","3","8","8","5","1") = "8"
    & skf18("6","9","3","8","8","6","1") = "8"
    & skf18("6","9","3","8","8","7","1") = "8"
    & skf18("6","9","3","8","8","8","1") = "8"
    & skf18("6","9","3","8","8","9","1") = "8"
    & skf18("6","9","3","8","8","10","1") = "9"
    & skf18("6","9","3","8","9","1","1") = "8"
    & skf18("6","9","3","8","9","2","1") = "8"
    & skf18("6","9","3","8","9","3","1") = "8"
    & skf18("6","9","3","8","9","4","1") = "8"
    & skf18("6","9","3","8","9","5","1") = "8"
    & skf18("6","9","3","8","9","6","1") = "8"
    & skf18("6","9","3","8","9","7","1") = "8"
    & skf18("6","9","3","8","9","8","1") = "8"
    & skf18("6","9","3","8","9","9","1") = "8"
    & skf18("6","9","3","8","9","10","1") = "9"
    & skf18("6","9","3","8","10","1","1") = "9"
    & skf18("6","9","3","8","10","2","1") = "9"
    & skf18("6","9","3","8","10","3","1") = "9"
    & skf18("6","9","3","8","10","4","1") = "9"
    & skf18("6","9","3","8","10","5","1") = "9"
    & skf18("6","9","3","8","10","6","1") = "9"
    & skf18("6","9","3","8","10","7","1") = "9"
    & skf18("6","9","3","8","10","8","1") = "9"
    & skf18("6","9","3","8","10","9","1") = "9"
    & skf18("6","9","3","8","10","10","1") = "9"
    & skf18("6","9","3","9","1","1","1") = "8"
    & skf18("6","9","3","9","1","2","1") = "8"
    & skf18("6","9","3","9","1","3","1") = "8"
    & skf18("6","9","3","9","1","4","1") = "8"
    & skf18("6","9","3","9","1","5","1") = "8"
    & skf18("6","9","3","9","1","6","1") = "8"
    & skf18("6","9","3","9","1","7","1") = "8"
    & skf18("6","9","3","9","1","8","1") = "8"
    & skf18("6","9","3","9","1","9","1") = "8"
    & skf18("6","9","3","9","1","10","1") = "9"
    & skf18("6","9","3","9","2","1","1") = "8"
    & skf18("6","9","3","9","2","2","1") = "8"
    & skf18("6","9","3","9","2","3","1") = "8"
    & skf18("6","9","3","9","2","4","1") = "8"
    & skf18("6","9","3","9","2","5","1") = "8"
    & skf18("6","9","3","9","2","6","1") = "8"
    & skf18("6","9","3","9","2","7","1") = "8"
    & skf18("6","9","3","9","2","8","1") = "8"
    & skf18("6","9","3","9","2","9","1") = "8"
    & skf18("6","9","3","9","2","10","1") = "9"
    & skf18("6","9","3","9","3","1","1") = "8"
    & skf18("6","9","3","9","3","2","1") = "8"
    & skf18("6","9","3","9","3","3","1") = "8"
    & skf18("6","9","3","9","3","4","1") = "8"
    & skf18("6","9","3","9","3","5","1") = "8"
    & skf18("6","9","3","9","3","6","1") = "8"
    & skf18("6","9","3","9","3","7","1") = "8"
    & skf18("6","9","3","9","3","8","1") = "8"
    & skf18("6","9","3","9","3","9","1") = "8"
    & skf18("6","9","3","9","3","10","1") = "9"
    & skf18("6","9","3","9","4","1","1") = "8"
    & skf18("6","9","3","9","4","2","1") = "8"
    & skf18("6","9","3","9","4","3","1") = "8"
    & skf18("6","9","3","9","4","4","1") = "8"
    & skf18("6","9","3","9","4","5","1") = "8"
    & skf18("6","9","3","9","4","6","1") = "8"
    & skf18("6","9","3","9","4","7","1") = "8"
    & skf18("6","9","3","9","4","8","1") = "8"
    & skf18("6","9","3","9","4","9","1") = "8"
    & skf18("6","9","3","9","4","10","1") = "9"
    & skf18("6","9","3","9","5","1","1") = "8"
    & skf18("6","9","3","9","5","2","1") = "8"
    & skf18("6","9","3","9","5","3","1") = "8"
    & skf18("6","9","3","9","5","4","1") = "8"
    & skf18("6","9","3","9","5","5","1") = "8"
    & skf18("6","9","3","9","5","6","1") = "8"
    & skf18("6","9","3","9","5","7","1") = "8"
    & skf18("6","9","3","9","5","8","1") = "8"
    & skf18("6","9","3","9","5","9","1") = "8"
    & skf18("6","9","3","9","5","10","1") = "9"
    & skf18("6","9","3","9","6","1","1") = "8"
    & skf18("6","9","3","9","6","2","1") = "8"
    & skf18("6","9","3","9","6","3","1") = "8"
    & skf18("6","9","3","9","6","4","1") = "8"
    & skf18("6","9","3","9","6","5","1") = "8"
    & skf18("6","9","3","9","6","6","1") = "8"
    & skf18("6","9","3","9","6","7","1") = "8"
    & skf18("6","9","3","9","6","8","1") = "8"
    & skf18("6","9","3","9","6","9","1") = "8"
    & skf18("6","9","3","9","6","10","1") = "9"
    & skf18("6","9","3","9","7","1","1") = "8"
    & skf18("6","9","3","9","7","2","1") = "8"
    & skf18("6","9","3","9","7","3","1") = "8"
    & skf18("6","9","3","9","7","4","1") = "8"
    & skf18("6","9","3","9","7","5","1") = "8"
    & skf18("6","9","3","9","7","6","1") = "8"
    & skf18("6","9","3","9","7","7","1") = "8"
    & skf18("6","9","3","9","7","8","1") = "8"
    & skf18("6","9","3","9","7","9","1") = "8"
    & skf18("6","9","3","9","7","10","1") = "9"
    & skf18("6","9","3","9","8","1","1") = "8"
    & skf18("6","9","3","9","8","2","1") = "8"
    & skf18("6","9","3","9","8","3","1") = "8"
    & skf18("6","9","3","9","8","4","1") = "8"
    & skf18("6","9","3","9","8","5","1") = "8"
    & skf18("6","9","3","9","8","6","1") = "8"
    & skf18("6","9","3","9","8","7","1") = "8"
    & skf18("6","9","3","9","8","8","1") = "8"
    & skf18("6","9","3","9","8","9","1") = "8"
    & skf18("6","9","3","9","8","10","1") = "9"
    & skf18("6","9","3","9","9","1","1") = "8"
    & skf18("6","9","3","9","9","2","1") = "8"
    & skf18("6","9","3","9","9","3","1") = "8"
    & skf18("6","9","3","9","9","4","1") = "8"
    & skf18("6","9","3","9","9","5","1") = "8"
    & skf18("6","9","3","9","9","6","1") = "8"
    & skf18("6","9","3","9","9","7","1") = "8"
    & skf18("6","9","3","9","9","8","1") = "8"
    & skf18("6","9","3","9","9","9","1") = "8"
    & skf18("6","9","3","9","9","10","1") = "9"
    & skf18("6","9","3","9","10","1","1") = "9"
    & skf18("6","9","3","9","10","2","1") = "9"
    & skf18("6","9","3","9","10","3","1") = "9"
    & skf18("6","9","3","9","10","4","1") = "9"
    & skf18("6","9","3","9","10","5","1") = "9"
    & skf18("6","9","3","9","10","6","1") = "9"
    & skf18("6","9","3","9","10","7","1") = "9"
    & skf18("6","9","3","9","10","8","1") = "9"
    & skf18("6","9","3","9","10","9","1") = "9"
    & skf18("6","9","3","9","10","10","1") = "9"
    & skf18("6","9","3","10","1","1","1") = "9"
    & skf18("6","9","3","10","1","2","1") = "9"
    & skf18("6","9","3","10","1","3","1") = "9"
    & skf18("6","9","3","10","1","4","1") = "9"
    & skf18("6","9","3","10","1","5","1") = "9"
    & skf18("6","9","3","10","1","6","1") = "9"
    & skf18("6","9","3","10","1","7","1") = "9"
    & skf18("6","9","3","10","1","8","1") = "9"
    & skf18("6","9","3","10","1","9","1") = "9"
    & skf18("6","9","3","10","1","10","1") = "9"
    & skf18("6","9","3","10","2","1","1") = "9"
    & skf18("6","9","3","10","2","2","1") = "9"
    & skf18("6","9","3","10","2","3","1") = "9"
    & skf18("6","9","3","10","2","4","1") = "9"
    & skf18("6","9","3","10","2","5","1") = "9"
    & skf18("6","9","3","10","2","6","1") = "9"
    & skf18("6","9","3","10","2","7","1") = "9"
    & skf18("6","9","3","10","2","8","1") = "9"
    & skf18("6","9","3","10","2","9","1") = "9"
    & skf18("6","9","3","10","2","10","1") = "9"
    & skf18("6","9","3","10","3","1","1") = "9"
    & skf18("6","9","3","10","3","2","1") = "9"
    & skf18("6","9","3","10","3","3","1") = "9"
    & skf18("6","9","3","10","3","4","1") = "9"
    & skf18("6","9","3","10","3","5","1") = "9"
    & skf18("6","9","3","10","3","6","1") = "9"
    & skf18("6","9","3","10","3","7","1") = "9"
    & skf18("6","9","3","10","3","8","1") = "9"
    & skf18("6","9","3","10","3","9","1") = "9"
    & skf18("6","9","3","10","3","10","1") = "9"
    & skf18("6","9","3","10","4","1","1") = "9"
    & skf18("6","9","3","10","4","2","1") = "9"
    & skf18("6","9","3","10","4","3","1") = "9"
    & skf18("6","9","3","10","4","4","1") = "9"
    & skf18("6","9","3","10","4","5","1") = "9"
    & skf18("6","9","3","10","4","6","1") = "9"
    & skf18("6","9","3","10","4","7","1") = "9"
    & skf18("6","9","3","10","4","8","1") = "9"
    & skf18("6","9","3","10","4","9","1") = "9"
    & skf18("6","9","3","10","4","10","1") = "9"
    & skf18("6","9","3","10","5","1","1") = "9"
    & skf18("6","9","3","10","5","2","1") = "9"
    & skf18("6","9","3","10","5","3","1") = "9"
    & skf18("6","9","3","10","5","4","1") = "9"
    & skf18("6","9","3","10","5","5","1") = "9"
    & skf18("6","9","3","10","5","6","1") = "9"
    & skf18("6","9","3","10","5","7","1") = "9"
    & skf18("6","9","3","10","5","8","1") = "9"
    & skf18("6","9","3","10","5","9","1") = "9"
    & skf18("6","9","3","10","5","10","1") = "9"
    & skf18("6","9","3","10","6","1","1") = "9"
    & skf18("6","9","3","10","6","2","1") = "9"
    & skf18("6","9","3","10","6","3","1") = "9"
    & skf18("6","9","3","10","6","4","1") = "9"
    & skf18("6","9","3","10","6","5","1") = "9"
    & skf18("6","9","3","10","6","6","1") = "9"
    & skf18("6","9","3","10","6","7","1") = "9"
    & skf18("6","9","3","10","6","8","1") = "9"
    & skf18("6","9","3","10","6","9","1") = "9"
    & skf18("6","9","3","10","6","10","1") = "9"
    & skf18("6","9","3","10","7","1","1") = "9"
    & skf18("6","9","3","10","7","2","1") = "9"
    & skf18("6","9","3","10","7","3","1") = "9"
    & skf18("6","9","3","10","7","4","1") = "9"
    & skf18("6","9","3","10","7","5","1") = "9"
    & skf18("6","9","3","10","7","6","1") = "9"
    & skf18("6","9","3","10","7","7","1") = "9"
    & skf18("6","9","3","10","7","8","1") = "9"
    & skf18("6","9","3","10","7","9","1") = "9"
    & skf18("6","9","3","10","7","10","1") = "9"
    & skf18("6","9","3","10","8","1","1") = "9"
    & skf18("6","9","3","10","8","2","1") = "9"
    & skf18("6","9","3","10","8","3","1") = "9"
    & skf18("6","9","3","10","8","4","1") = "9"
    & skf18("6","9","3","10","8","5","1") = "9"
    & skf18("6","9","3","10","8","6","1") = "9"
    & skf18("6","9","3","10","8","7","1") = "9"
    & skf18("6","9","3","10","8","8","1") = "9"
    & skf18("6","9","3","10","8","9","1") = "9"
    & skf18("6","9","3","10","8","10","1") = "9"
    & skf18("6","9","3","10","9","1","1") = "9"
    & skf18("6","9","3","10","9","2","1") = "9"
    & skf18("6","9","3","10","9","3","1") = "9"
    & skf18("6","9","3","10","9","4","1") = "9"
    & skf18("6","9","3","10","9","5","1") = "9"
    & skf18("6","9","3","10","9","6","1") = "9"
    & skf18("6","9","3","10","9","7","1") = "9"
    & skf18("6","9","3","10","9","8","1") = "9"
    & skf18("6","9","3","10","9","9","1") = "9"
    & skf18("6","9","3","10","9","10","1") = "9"
    & skf18("6","9","3","10","10","1","1") = "9"
    & skf18("6","9","3","10","10","2","1") = "9"
    & skf18("6","9","3","10","10","3","1") = "9"
    & skf18("6","9","3","10","10","4","1") = "9"
    & skf18("6","9","3","10","10","5","1") = "9"
    & skf18("6","9","3","10","10","6","1") = "9"
    & skf18("6","9","3","10","10","7","1") = "9"
    & skf18("6","9","3","10","10","8","1") = "9"
    & skf18("6","9","3","10","10","9","1") = "9"
    & skf18("6","9","3","10","10","10","1") = "9"
    & skf18("6","9","4","1","1","1","1") = "8"
    & skf18("6","9","4","1","1","2","1") = "8"
    & skf18("6","9","4","1","1","3","1") = "8"
    & skf18("6","9","4","1","1","4","1") = "8"
    & skf18("6","9","4","1","1","5","1") = "8"
    & skf18("6","9","4","1","1","6","1") = "8"
    & skf18("6","9","4","1","1","7","1") = "8"
    & skf18("6","9","4","1","1","8","1") = "8"
    & skf18("6","9","4","1","1","9","1") = "8"
    & skf18("6","9","4","1","1","10","1") = "9"
    & skf18("6","9","4","1","2","1","1") = "8"
    & skf18("6","9","4","1","2","2","1") = "8"
    & skf18("6","9","4","1","2","3","1") = "8"
    & skf18("6","9","4","1","2","4","1") = "8"
    & skf18("6","9","4","1","2","5","1") = "8"
    & skf18("6","9","4","1","2","6","1") = "8"
    & skf18("6","9","4","1","2","7","1") = "8"
    & skf18("6","9","4","1","2","8","1") = "8"
    & skf18("6","9","4","1","2","9","1") = "8"
    & skf18("6","9","4","1","2","10","1") = "9"
    & skf18("6","9","4","1","3","1","1") = "8"
    & skf18("6","9","4","1","3","2","1") = "8"
    & skf18("6","9","4","1","3","3","1") = "8"
    & skf18("6","9","4","1","3","4","1") = "8"
    & skf18("6","9","4","1","3","5","1") = "8"
    & skf18("6","9","4","1","3","6","1") = "8"
    & skf18("6","9","4","1","3","7","1") = "8"
    & skf18("6","9","4","1","3","8","1") = "8"
    & skf18("6","9","4","1","3","9","1") = "8"
    & skf18("6","9","4","1","3","10","1") = "9"
    & skf18("6","9","4","1","4","1","1") = "8"
    & skf18("6","9","4","1","4","2","1") = "8"
    & skf18("6","9","4","1","4","3","1") = "8"
    & skf18("6","9","4","1","4","4","1") = "8"
    & skf18("6","9","4","1","4","5","1") = "8"
    & skf18("6","9","4","1","4","6","1") = "8"
    & skf18("6","9","4","1","4","7","1") = "8"
    & skf18("6","9","4","1","4","8","1") = "8"
    & skf18("6","9","4","1","4","9","1") = "8"
    & skf18("6","9","4","1","4","10","1") = "9"
    & skf18("6","9","4","1","5","1","1") = "8"
    & skf18("6","9","4","1","5","2","1") = "8"
    & skf18("6","9","4","1","5","3","1") = "8"
    & skf18("6","9","4","1","5","4","1") = "8"
    & skf18("6","9","4","1","5","5","1") = "8"
    & skf18("6","9","4","1","5","6","1") = "8"
    & skf18("6","9","4","1","5","7","1") = "8"
    & skf18("6","9","4","1","5","8","1") = "8"
    & skf18("6","9","4","1","5","9","1") = "8"
    & skf18("6","9","4","1","5","10","1") = "9"
    & skf18("6","9","4","1","6","1","1") = "8"
    & skf18("6","9","4","1","6","2","1") = "8"
    & skf18("6","9","4","1","6","3","1") = "8"
    & skf18("6","9","4","1","6","4","1") = "8"
    & skf18("6","9","4","1","6","5","1") = "8"
    & skf18("6","9","4","1","6","6","1") = "8"
    & skf18("6","9","4","1","6","7","1") = "8"
    & skf18("6","9","4","1","6","8","1") = "8"
    & skf18("6","9","4","1","6","9","1") = "8"
    & skf18("6","9","4","1","6","10","1") = "9"
    & skf18("6","9","4","1","7","1","1") = "8"
    & skf18("6","9","4","1","7","2","1") = "8"
    & skf18("6","9","4","1","7","3","1") = "8"
    & skf18("6","9","4","1","7","4","1") = "8"
    & skf18("6","9","4","1","7","5","1") = "8"
    & skf18("6","9","4","1","7","6","1") = "8"
    & skf18("6","9","4","1","7","7","1") = "8"
    & skf18("6","9","4","1","7","8","1") = "8"
    & skf18("6","9","4","1","7","9","1") = "8"
    & skf18("6","9","4","1","7","10","1") = "9"
    & skf18("6","9","4","1","8","1","1") = "8"
    & skf18("6","9","4","1","8","2","1") = "8"
    & skf18("6","9","4","1","8","3","1") = "8"
    & skf18("6","9","4","1","8","4","1") = "8"
    & skf18("6","9","4","1","8","5","1") = "8"
    & skf18("6","9","4","1","8","6","1") = "8"
    & skf18("6","9","4","1","8","7","1") = "8"
    & skf18("6","9","4","1","8","8","1") = "8"
    & skf18("6","9","4","1","8","9","1") = "8"
    & skf18("6","9","4","1","8","10","1") = "9"
    & skf18("6","9","4","1","9","1","1") = "8"
    & skf18("6","9","4","1","9","2","1") = "8"
    & skf18("6","9","4","1","9","3","1") = "8"
    & skf18("6","9","4","1","9","4","1") = "8"
    & skf18("6","9","4","1","9","5","1") = "8"
    & skf18("6","9","4","1","9","6","1") = "8"
    & skf18("6","9","4","1","9","7","1") = "8"
    & skf18("6","9","4","1","9","8","1") = "8"
    & skf18("6","9","4","1","9","9","1") = "8"
    & skf18("6","9","4","1","9","10","1") = "9"
    & skf18("6","9","4","1","10","1","1") = "9"
    & skf18("6","9","4","1","10","2","1") = "9"
    & skf18("6","9","4","1","10","3","1") = "9"
    & skf18("6","9","4","1","10","4","1") = "9"
    & skf18("6","9","4","1","10","5","1") = "9"
    & skf18("6","9","4","1","10","6","1") = "9"
    & skf18("6","9","4","1","10","7","1") = "9"
    & skf18("6","9","4","1","10","8","1") = "9"
    & skf18("6","9","4","1","10","9","1") = "9"
    & skf18("6","9","4","1","10","10","1") = "9"
    & skf18("6","9","4","2","1","1","1") = "8"
    & skf18("6","9","4","2","1","2","1") = "8"
    & skf18("6","9","4","2","1","3","1") = "8"
    & skf18("6","9","4","2","1","4","1") = "8"
    & skf18("6","9","4","2","1","5","1") = "8"
    & skf18("6","9","4","2","1","6","1") = "8"
    & skf18("6","9","4","2","1","7","1") = "8"
    & skf18("6","9","4","2","1","8","1") = "8"
    & skf18("6","9","4","2","1","9","1") = "8"
    & skf18("6","9","4","2","1","10","1") = "9"
    & skf18("6","9","4","2","2","1","1") = "8"
    & skf18("6","9","4","2","2","2","1") = "8"
    & skf18("6","9","4","2","2","3","1") = "8"
    & skf18("6","9","4","2","2","4","1") = "8"
    & skf18("6","9","4","2","2","5","1") = "8"
    & skf18("6","9","4","2","2","6","1") = "8"
    & skf18("6","9","4","2","2","7","1") = "8"
    & skf18("6","9","4","2","2","8","1") = "8"
    & skf18("6","9","4","2","2","9","1") = "8"
    & skf18("6","9","4","2","2","10","1") = "9"
    & skf18("6","9","4","2","3","1","1") = "8"
    & skf18("6","9","4","2","3","2","1") = "8"
    & skf18("6","9","4","2","3","3","1") = "8"
    & skf18("6","9","4","2","3","4","1") = "8"
    & skf18("6","9","4","2","3","5","1") = "8"
    & skf18("6","9","4","2","3","6","1") = "8"
    & skf18("6","9","4","2","3","7","1") = "8"
    & skf18("6","9","4","2","3","8","1") = "8"
    & skf18("6","9","4","2","3","9","1") = "8"
    & skf18("6","9","4","2","3","10","1") = "9"
    & skf18("6","9","4","2","4","1","1") = "8"
    & skf18("6","9","4","2","4","2","1") = "8"
    & skf18("6","9","4","2","4","3","1") = "8"
    & skf18("6","9","4","2","4","4","1") = "8"
    & skf18("6","9","4","2","4","5","1") = "8"
    & skf18("6","9","4","2","4","6","1") = "8"
    & skf18("6","9","4","2","4","7","1") = "8"
    & skf18("6","9","4","2","4","8","1") = "8"
    & skf18("6","9","4","2","4","9","1") = "8"
    & skf18("6","9","4","2","4","10","1") = "9"
    & skf18("6","9","4","2","5","1","1") = "8"
    & skf18("6","9","4","2","5","2","1") = "8"
    & skf18("6","9","4","2","5","3","1") = "8"
    & skf18("6","9","4","2","5","4","1") = "8"
    & skf18("6","9","4","2","5","5","1") = "8"
    & skf18("6","9","4","2","5","6","1") = "8"
    & skf18("6","9","4","2","5","7","1") = "8"
    & skf18("6","9","4","2","5","8","1") = "8"
    & skf18("6","9","4","2","5","9","1") = "8"
    & skf18("6","9","4","2","5","10","1") = "9"
    & skf18("6","9","4","2","6","1","1") = "8"
    & skf18("6","9","4","2","6","2","1") = "8"
    & skf18("6","9","4","2","6","3","1") = "8"
    & skf18("6","9","4","2","6","4","1") = "8"
    & skf18("6","9","4","2","6","5","1") = "8"
    & skf18("6","9","4","2","6","6","1") = "8"
    & skf18("6","9","4","2","6","7","1") = "8"
    & skf18("6","9","4","2","6","8","1") = "8"
    & skf18("6","9","4","2","6","9","1") = "8"
    & skf18("6","9","4","2","6","10","1") = "9"
    & skf18("6","9","4","2","7","1","1") = "8"
    & skf18("6","9","4","2","7","2","1") = "8"
    & skf18("6","9","4","2","7","3","1") = "8"
    & skf18("6","9","4","2","7","4","1") = "8"
    & skf18("6","9","4","2","7","5","1") = "8"
    & skf18("6","9","4","2","7","6","1") = "8"
    & skf18("6","9","4","2","7","7","1") = "8"
    & skf18("6","9","4","2","7","8","1") = "8"
    & skf18("6","9","4","2","7","9","1") = "8"
    & skf18("6","9","4","2","7","10","1") = "9"
    & skf18("6","9","4","2","8","1","1") = "8"
    & skf18("6","9","4","2","8","2","1") = "8"
    & skf18("6","9","4","2","8","3","1") = "8"
    & skf18("6","9","4","2","8","4","1") = "8"
    & skf18("6","9","4","2","8","5","1") = "8"
    & skf18("6","9","4","2","8","6","1") = "8"
    & skf18("6","9","4","2","8","7","1") = "8"
    & skf18("6","9","4","2","8","8","1") = "8"
    & skf18("6","9","4","2","8","9","1") = "8"
    & skf18("6","9","4","2","8","10","1") = "9"
    & skf18("6","9","4","2","9","1","1") = "8"
    & skf18("6","9","4","2","9","2","1") = "8"
    & skf18("6","9","4","2","9","3","1") = "8"
    & skf18("6","9","4","2","9","4","1") = "8"
    & skf18("6","9","4","2","9","5","1") = "8"
    & skf18("6","9","4","2","9","6","1") = "8"
    & skf18("6","9","4","2","9","7","1") = "8"
    & skf18("6","9","4","2","9","8","1") = "8"
    & skf18("6","9","4","2","9","9","1") = "8"
    & skf18("6","9","4","2","9","10","1") = "9"
    & skf18("6","9","4","2","10","1","1") = "9"
    & skf18("6","9","4","2","10","2","1") = "9"
    & skf18("6","9","4","2","10","3","1") = "9"
    & skf18("6","9","4","2","10","4","1") = "9"
    & skf18("6","9","4","2","10","5","1") = "9"
    & skf18("6","9","4","2","10","6","1") = "9"
    & skf18("6","9","4","2","10","7","1") = "9"
    & skf18("6","9","4","2","10","8","1") = "9"
    & skf18("6","9","4","2","10","9","1") = "9"
    & skf18("6","9","4","2","10","10","1") = "9"
    & skf18("6","9","4","3","1","1","1") = "8"
    & skf18("6","9","4","3","1","2","1") = "8"
    & skf18("6","9","4","3","1","3","1") = "8"
    & skf18("6","9","4","3","1","4","1") = "8"
    & skf18("6","9","4","3","1","5","1") = "8"
    & skf18("6","9","4","3","1","6","1") = "8"
    & skf18("6","9","4","3","1","7","1") = "8"
    & skf18("6","9","4","3","1","8","1") = "8"
    & skf18("6","9","4","3","1","9","1") = "8"
    & skf18("6","9","4","3","1","10","1") = "9"
    & skf18("6","9","4","3","2","1","1") = "8"
    & skf18("6","9","4","3","2","2","1") = "8"
    & skf18("6","9","4","3","2","3","1") = "8"
    & skf18("6","9","4","3","2","4","1") = "8"
    & skf18("6","9","4","3","2","5","1") = "8"
    & skf18("6","9","4","3","2","6","1") = "8"
    & skf18("6","9","4","3","2","7","1") = "8"
    & skf18("6","9","4","3","2","8","1") = "8"
    & skf18("6","9","4","3","2","9","1") = "8"
    & skf18("6","9","4","3","2","10","1") = "9"
    & skf18("6","9","4","3","3","1","1") = "8"
    & skf18("6","9","4","3","3","2","1") = "8"
    & skf18("6","9","4","3","3","3","1") = "8"
    & skf18("6","9","4","3","3","4","1") = "8"
    & skf18("6","9","4","3","3","5","1") = "8"
    & skf18("6","9","4","3","3","6","1") = "8"
    & skf18("6","9","4","3","3","7","1") = "8"
    & skf18("6","9","4","3","3","8","1") = "8"
    & skf18("6","9","4","3","3","9","1") = "8"
    & skf18("6","9","4","3","3","10","1") = "9"
    & skf18("6","9","4","3","4","1","1") = "8"
    & skf18("6","9","4","3","4","2","1") = "8"
    & skf18("6","9","4","3","4","3","1") = "8"
    & skf18("6","9","4","3","4","4","1") = "8"
    & skf18("6","9","4","3","4","5","1") = "8"
    & skf18("6","9","4","3","4","6","1") = "8"
    & skf18("6","9","4","3","4","7","1") = "8"
    & skf18("6","9","4","3","4","8","1") = "8"
    & skf18("6","9","4","3","4","9","1") = "8"
    & skf18("6","9","4","3","4","10","1") = "9"
    & skf18("6","9","4","3","5","1","1") = "8"
    & skf18("6","9","4","3","5","2","1") = "8"
    & skf18("6","9","4","3","5","3","1") = "8"
    & skf18("6","9","4","3","5","4","1") = "8"
    & skf18("6","9","4","3","5","5","1") = "8"
    & skf18("6","9","4","3","5","6","1") = "8"
    & skf18("6","9","4","3","5","7","1") = "8"
    & skf18("6","9","4","3","5","8","1") = "8"
    & skf18("6","9","4","3","5","9","1") = "8"
    & skf18("6","9","4","3","5","10","1") = "9"
    & skf18("6","9","4","3","6","1","1") = "8"
    & skf18("6","9","4","3","6","2","1") = "8"
    & skf18("6","9","4","3","6","3","1") = "8"
    & skf18("6","9","4","3","6","4","1") = "8"
    & skf18("6","9","4","3","6","5","1") = "8"
    & skf18("6","9","4","3","6","6","1") = "8"
    & skf18("6","9","4","3","6","7","1") = "8"
    & skf18("6","9","4","3","6","8","1") = "8"
    & skf18("6","9","4","3","6","9","1") = "8"
    & skf18("6","9","4","3","6","10","1") = "9"
    & skf18("6","9","4","3","7","1","1") = "8"
    & skf18("6","9","4","3","7","2","1") = "8"
    & skf18("6","9","4","3","7","3","1") = "8"
    & skf18("6","9","4","3","7","4","1") = "8"
    & skf18("6","9","4","3","7","5","1") = "8"
    & skf18("6","9","4","3","7","6","1") = "8"
    & skf18("6","9","4","3","7","7","1") = "8"
    & skf18("6","9","4","3","7","8","1") = "8"
    & skf18("6","9","4","3","7","9","1") = "8"
    & skf18("6","9","4","3","7","10","1") = "9"
    & skf18("6","9","4","3","8","1","1") = "8"
    & skf18("6","9","4","3","8","2","1") = "8"
    & skf18("6","9","4","3","8","3","1") = "8"
    & skf18("6","9","4","3","8","4","1") = "8"
    & skf18("6","9","4","3","8","5","1") = "8"
    & skf18("6","9","4","3","8","6","1") = "8"
    & skf18("6","9","4","3","8","7","1") = "8"
    & skf18("6","9","4","3","8","8","1") = "8"
    & skf18("6","9","4","3","8","9","1") = "8"
    & skf18("6","9","4","3","8","10","1") = "9"
    & skf18("6","9","4","3","9","1","1") = "8"
    & skf18("6","9","4","3","9","2","1") = "8"
    & skf18("6","9","4","3","9","3","1") = "8"
    & skf18("6","9","4","3","9","4","1") = "8"
    & skf18("6","9","4","3","9","5","1") = "8"
    & skf18("6","9","4","3","9","6","1") = "8"
    & skf18("6","9","4","3","9","7","1") = "8"
    & skf18("6","9","4","3","9","8","1") = "8"
    & skf18("6","9","4","3","9","9","1") = "8"
    & skf18("6","9","4","3","9","10","1") = "9"
    & skf18("6","9","4","3","10","1","1") = "9"
    & skf18("6","9","4","3","10","2","1") = "9"
    & skf18("6","9","4","3","10","3","1") = "9"
    & skf18("6","9","4","3","10","4","1") = "9"
    & skf18("6","9","4","3","10","5","1") = "9"
    & skf18("6","9","4","3","10","6","1") = "9"
    & skf18("6","9","4","3","10","7","1") = "9"
    & skf18("6","9","4","3","10","8","1") = "9"
    & skf18("6","9","4","3","10","9","1") = "9"
    & skf18("6","9","4","3","10","10","1") = "9"
    & skf18("6","9","4","4","1","1","1") = "8"
    & skf18("6","9","4","4","1","2","1") = "8"
    & skf18("6","9","4","4","1","3","1") = "8"
    & skf18("6","9","4","4","1","4","1") = "8"
    & skf18("6","9","4","4","1","5","1") = "8"
    & skf18("6","9","4","4","1","6","1") = "8"
    & skf18("6","9","4","4","1","7","1") = "8"
    & skf18("6","9","4","4","1","8","1") = "8"
    & skf18("6","9","4","4","1","9","1") = "8"
    & skf18("6","9","4","4","1","10","1") = "9"
    & skf18("6","9","4","4","2","1","1") = "8"
    & skf18("6","9","4","4","2","2","1") = "8"
    & skf18("6","9","4","4","2","3","1") = "8"
    & skf18("6","9","4","4","2","4","1") = "8"
    & skf18("6","9","4","4","2","5","1") = "8"
    & skf18("6","9","4","4","2","6","1") = "8"
    & skf18("6","9","4","4","2","7","1") = "8"
    & skf18("6","9","4","4","2","8","1") = "8"
    & skf18("6","9","4","4","2","9","1") = "8"
    & skf18("6","9","4","4","2","10","1") = "9"
    & skf18("6","9","4","4","3","1","1") = "8"
    & skf18("6","9","4","4","3","2","1") = "8"
    & skf18("6","9","4","4","3","3","1") = "8"
    & skf18("6","9","4","4","3","4","1") = "8"
    & skf18("6","9","4","4","3","5","1") = "8"
    & skf18("6","9","4","4","3","6","1") = "8"
    & skf18("6","9","4","4","3","7","1") = "8"
    & skf18("6","9","4","4","3","8","1") = "8"
    & skf18("6","9","4","4","3","9","1") = "8"
    & skf18("6","9","4","4","3","10","1") = "9"
    & skf18("6","9","4","4","4","1","1") = "8"
    & skf18("6","9","4","4","4","2","1") = "8"
    & skf18("6","9","4","4","4","3","1") = "8"
    & skf18("6","9","4","4","4","4","1") = "8"
    & skf18("6","9","4","4","4","5","1") = "8"
    & skf18("6","9","4","4","4","6","1") = "8"
    & skf18("6","9","4","4","4","7","1") = "8"
    & skf18("6","9","4","4","4","8","1") = "8"
    & skf18("6","9","4","4","4","9","1") = "8"
    & skf18("6","9","4","4","4","10","1") = "9"
    & skf18("6","9","4","4","5","1","1") = "8"
    & skf18("6","9","4","4","5","2","1") = "8"
    & skf18("6","9","4","4","5","3","1") = "8"
    & skf18("6","9","4","4","5","4","1") = "8"
    & skf18("6","9","4","4","5","5","1") = "8"
    & skf18("6","9","4","4","5","6","1") = "8"
    & skf18("6","9","4","4","5","7","1") = "8"
    & skf18("6","9","4","4","5","8","1") = "8"
    & skf18("6","9","4","4","5","9","1") = "8"
    & skf18("6","9","4","4","5","10","1") = "9"
    & skf18("6","9","4","4","6","1","1") = "8"
    & skf18("6","9","4","4","6","2","1") = "8"
    & skf18("6","9","4","4","6","3","1") = "8"
    & skf18("6","9","4","4","6","4","1") = "8"
    & skf18("6","9","4","4","6","5","1") = "8"
    & skf18("6","9","4","4","6","6","1") = "8"
    & skf18("6","9","4","4","6","7","1") = "8"
    & skf18("6","9","4","4","6","8","1") = "8"
    & skf18("6","9","4","4","6","9","1") = "8"
    & skf18("6","9","4","4","6","10","1") = "9"
    & skf18("6","9","4","4","7","1","1") = "8"
    & skf18("6","9","4","4","7","2","1") = "8"
    & skf18("6","9","4","4","7","3","1") = "8"
    & skf18("6","9","4","4","7","4","1") = "8"
    & skf18("6","9","4","4","7","5","1") = "8"
    & skf18("6","9","4","4","7","6","1") = "8"
    & skf18("6","9","4","4","7","7","1") = "8"
    & skf18("6","9","4","4","7","8","1") = "8"
    & skf18("6","9","4","4","7","9","1") = "8"
    & skf18("6","9","4","4","7","10","1") = "9"
    & skf18("6","9","4","4","8","1","1") = "8"
    & skf18("6","9","4","4","8","2","1") = "8"
    & skf18("6","9","4","4","8","3","1") = "8"
    & skf18("6","9","4","4","8","4","1") = "8"
    & skf18("6","9","4","4","8","5","1") = "8"
    & skf18("6","9","4","4","8","6","1") = "8"
    & skf18("6","9","4","4","8","7","1") = "8"
    & skf18("6","9","4","4","8","8","1") = "8"
    & skf18("6","9","4","4","8","9","1") = "8"
    & skf18("6","9","4","4","8","10","1") = "9"
    & skf18("6","9","4","4","9","1","1") = "8"
    & skf18("6","9","4","4","9","2","1") = "8"
    & skf18("6","9","4","4","9","3","1") = "8"
    & skf18("6","9","4","4","9","4","1") = "8"
    & skf18("6","9","4","4","9","5","1") = "8"
    & skf18("6","9","4","4","9","6","1") = "8"
    & skf18("6","9","4","4","9","7","1") = "8"
    & skf18("6","9","4","4","9","8","1") = "8"
    & skf18("6","9","4","4","9","9","1") = "8"
    & skf18("6","9","4","4","9","10","1") = "9"
    & skf18("6","9","4","4","10","1","1") = "9"
    & skf18("6","9","4","4","10","2","1") = "9"
    & skf18("6","9","4","4","10","3","1") = "9"
    & skf18("6","9","4","4","10","4","1") = "9"
    & skf18("6","9","4","4","10","5","1") = "9"
    & skf18("6","9","4","4","10","6","1") = "9"
    & skf18("6","9","4","4","10","7","1") = "9"
    & skf18("6","9","4","4","10","8","1") = "9"
    & skf18("6","9","4","4","10","9","1") = "9"
    & skf18("6","9","4","4","10","10","1") = "9"
    & skf18("6","9","4","5","1","1","1") = "8"
    & skf18("6","9","4","5","1","2","1") = "8"
    & skf18("6","9","4","5","1","3","1") = "8"
    & skf18("6","9","4","5","1","4","1") = "8"
    & skf18("6","9","4","5","1","5","1") = "8"
    & skf18("6","9","4","5","1","6","1") = "8"
    & skf18("6","9","4","5","1","7","1") = "8"
    & skf18("6","9","4","5","1","8","1") = "8"
    & skf18("6","9","4","5","1","9","1") = "8"
    & skf18("6","9","4","5","1","10","1") = "9"
    & skf18("6","9","4","5","2","1","1") = "8"
    & skf18("6","9","4","5","2","2","1") = "8"
    & skf18("6","9","4","5","2","3","1") = "8"
    & skf18("6","9","4","5","2","4","1") = "8"
    & skf18("6","9","4","5","2","5","1") = "8"
    & skf18("6","9","4","5","2","6","1") = "8"
    & skf18("6","9","4","5","2","7","1") = "8"
    & skf18("6","9","4","5","2","8","1") = "8"
    & skf18("6","9","4","5","2","9","1") = "8"
    & skf18("6","9","4","5","2","10","1") = "9"
    & skf18("6","9","4","5","3","1","1") = "8"
    & skf18("6","9","4","5","3","2","1") = "8"
    & skf18("6","9","4","5","3","3","1") = "8"
    & skf18("6","9","4","5","3","4","1") = "8"
    & skf18("6","9","4","5","3","5","1") = "8"
    & skf18("6","9","4","5","3","6","1") = "8"
    & skf18("6","9","4","5","3","7","1") = "8"
    & skf18("6","9","4","5","3","8","1") = "8"
    & skf18("6","9","4","5","3","9","1") = "8"
    & skf18("6","9","4","5","3","10","1") = "9"
    & skf18("6","9","4","5","4","1","1") = "8"
    & skf18("6","9","4","5","4","2","1") = "8"
    & skf18("6","9","4","5","4","3","1") = "8"
    & skf18("6","9","4","5","4","4","1") = "8"
    & skf18("6","9","4","5","4","5","1") = "8"
    & skf18("6","9","4","5","4","6","1") = "8"
    & skf18("6","9","4","5","4","7","1") = "8"
    & skf18("6","9","4","5","4","8","1") = "8"
    & skf18("6","9","4","5","4","9","1") = "8"
    & skf18("6","9","4","5","4","10","1") = "9"
    & skf18("6","9","4","5","5","1","1") = "8"
    & skf18("6","9","4","5","5","2","1") = "8"
    & skf18("6","9","4","5","5","3","1") = "8"
    & skf18("6","9","4","5","5","4","1") = "8"
    & skf18("6","9","4","5","5","5","1") = "8"
    & skf18("6","9","4","5","5","6","1") = "8"
    & skf18("6","9","4","5","5","7","1") = "8"
    & skf18("6","9","4","5","5","8","1") = "8"
    & skf18("6","9","4","5","5","9","1") = "8"
    & skf18("6","9","4","5","5","10","1") = "9"
    & skf18("6","9","4","5","6","1","1") = "8"
    & skf18("6","9","4","5","6","2","1") = "8"
    & skf18("6","9","4","5","6","3","1") = "8"
    & skf18("6","9","4","5","6","4","1") = "8"
    & skf18("6","9","4","5","6","5","1") = "8"
    & skf18("6","9","4","5","6","6","1") = "8"
    & skf18("6","9","4","5","6","7","1") = "8"
    & skf18("6","9","4","5","6","8","1") = "8"
    & skf18("6","9","4","5","6","9","1") = "8"
    & skf18("6","9","4","5","6","10","1") = "9"
    & skf18("6","9","4","5","7","1","1") = "8"
    & skf18("6","9","4","5","7","2","1") = "8"
    & skf18("6","9","4","5","7","3","1") = "8"
    & skf18("6","9","4","5","7","4","1") = "8"
    & skf18("6","9","4","5","7","5","1") = "8"
    & skf18("6","9","4","5","7","6","1") = "8"
    & skf18("6","9","4","5","7","7","1") = "8"
    & skf18("6","9","4","5","7","8","1") = "8"
    & skf18("6","9","4","5","7","9","1") = "8"
    & skf18("6","9","4","5","7","10","1") = "9"
    & skf18("6","9","4","5","8","1","1") = "8"
    & skf18("6","9","4","5","8","2","1") = "8"
    & skf18("6","9","4","5","8","3","1") = "8"
    & skf18("6","9","4","5","8","4","1") = "8"
    & skf18("6","9","4","5","8","5","1") = "8"
    & skf18("6","9","4","5","8","6","1") = "8"
    & skf18("6","9","4","5","8","7","1") = "8"
    & skf18("6","9","4","5","8","8","1") = "8"
    & skf18("6","9","4","5","8","9","1") = "8"
    & skf18("6","9","4","5","8","10","1") = "9"
    & skf18("6","9","4","5","9","1","1") = "8"
    & skf18("6","9","4","5","9","2","1") = "8"
    & skf18("6","9","4","5","9","3","1") = "8"
    & skf18("6","9","4","5","9","4","1") = "8"
    & skf18("6","9","4","5","9","5","1") = "8"
    & skf18("6","9","4","5","9","6","1") = "8"
    & skf18("6","9","4","5","9","7","1") = "8"
    & skf18("6","9","4","5","9","8","1") = "8"
    & skf18("6","9","4","5","9","9","1") = "8"
    & skf18("6","9","4","5","9","10","1") = "9"
    & skf18("6","9","4","5","10","1","1") = "9"
    & skf18("6","9","4","5","10","2","1") = "9"
    & skf18("6","9","4","5","10","3","1") = "9"
    & skf18("6","9","4","5","10","4","1") = "9"
    & skf18("6","9","4","5","10","5","1") = "9"
    & skf18("6","9","4","5","10","6","1") = "9"
    & skf18("6","9","4","5","10","7","1") = "9"
    & skf18("6","9","4","5","10","8","1") = "9"
    & skf18("6","9","4","5","10","9","1") = "9"
    & skf18("6","9","4","5","10","10","1") = "9"
    & skf18("6","9","4","6","1","1","1") = "8"
    & skf18("6","9","4","6","1","2","1") = "8"
    & skf18("6","9","4","6","1","3","1") = "8"
    & skf18("6","9","4","6","1","4","1") = "8"
    & skf18("6","9","4","6","1","5","1") = "8"
    & skf18("6","9","4","6","1","6","1") = "8"
    & skf18("6","9","4","6","1","7","1") = "8"
    & skf18("6","9","4","6","1","8","1") = "8"
    & skf18("6","9","4","6","1","9","1") = "8"
    & skf18("6","9","4","6","1","10","1") = "9"
    & skf18("6","9","4","6","2","1","1") = "8"
    & skf18("6","9","4","6","2","2","1") = "8"
    & skf18("6","9","4","6","2","3","1") = "8"
    & skf18("6","9","4","6","2","4","1") = "8"
    & skf18("6","9","4","6","2","5","1") = "8"
    & skf18("6","9","4","6","2","6","1") = "8"
    & skf18("6","9","4","6","2","7","1") = "8"
    & skf18("6","9","4","6","2","8","1") = "8"
    & skf18("6","9","4","6","2","9","1") = "8"
    & skf18("6","9","4","6","2","10","1") = "9"
    & skf18("6","9","4","6","3","1","1") = "8"
    & skf18("6","9","4","6","3","2","1") = "8"
    & skf18("6","9","4","6","3","3","1") = "8"
    & skf18("6","9","4","6","3","4","1") = "8"
    & skf18("6","9","4","6","3","5","1") = "8"
    & skf18("6","9","4","6","3","6","1") = "8"
    & skf18("6","9","4","6","3","7","1") = "8"
    & skf18("6","9","4","6","3","8","1") = "8"
    & skf18("6","9","4","6","3","9","1") = "8"
    & skf18("6","9","4","6","3","10","1") = "9"
    & skf18("6","9","4","6","4","1","1") = "8"
    & skf18("6","9","4","6","4","2","1") = "8"
    & skf18("6","9","4","6","4","3","1") = "8"
    & skf18("6","9","4","6","4","4","1") = "8"
    & skf18("6","9","4","6","4","5","1") = "8"
    & skf18("6","9","4","6","4","6","1") = "8"
    & skf18("6","9","4","6","4","7","1") = "8"
    & skf18("6","9","4","6","4","8","1") = "8"
    & skf18("6","9","4","6","4","9","1") = "8"
    & skf18("6","9","4","6","4","10","1") = "9"
    & skf18("6","9","4","6","5","1","1") = "8"
    & skf18("6","9","4","6","5","2","1") = "8"
    & skf18("6","9","4","6","5","3","1") = "8"
    & skf18("6","9","4","6","5","4","1") = "8"
    & skf18("6","9","4","6","5","5","1") = "8"
    & skf18("6","9","4","6","5","6","1") = "8"
    & skf18("6","9","4","6","5","7","1") = "8"
    & skf18("6","9","4","6","5","8","1") = "8"
    & skf18("6","9","4","6","5","9","1") = "8"
    & skf18("6","9","4","6","5","10","1") = "9"
    & skf18("6","9","4","6","6","1","1") = "8"
    & skf18("6","9","4","6","6","2","1") = "8"
    & skf18("6","9","4","6","6","3","1") = "8"
    & skf18("6","9","4","6","6","4","1") = "8"
    & skf18("6","9","4","6","6","5","1") = "8"
    & skf18("6","9","4","6","6","6","1") = "8"
    & skf18("6","9","4","6","6","7","1") = "8"
    & skf18("6","9","4","6","6","8","1") = "8"
    & skf18("6","9","4","6","6","9","1") = "8"
    & skf18("6","9","4","6","6","10","1") = "9"
    & skf18("6","9","4","6","7","1","1") = "8"
    & skf18("6","9","4","6","7","2","1") = "8"
    & skf18("6","9","4","6","7","3","1") = "8"
    & skf18("6","9","4","6","7","4","1") = "8"
    & skf18("6","9","4","6","7","5","1") = "8"
    & skf18("6","9","4","6","7","6","1") = "8"
    & skf18("6","9","4","6","7","7","1") = "8"
    & skf18("6","9","4","6","7","8","1") = "8"
    & skf18("6","9","4","6","7","9","1") = "8"
    & skf18("6","9","4","6","7","10","1") = "9"
    & skf18("6","9","4","6","8","1","1") = "8"
    & skf18("6","9","4","6","8","2","1") = "8"
    & skf18("6","9","4","6","8","3","1") = "8"
    & skf18("6","9","4","6","8","4","1") = "8"
    & skf18("6","9","4","6","8","5","1") = "8"
    & skf18("6","9","4","6","8","6","1") = "8"
    & skf18("6","9","4","6","8","7","1") = "8"
    & skf18("6","9","4","6","8","8","1") = "8"
    & skf18("6","9","4","6","8","9","1") = "8"
    & skf18("6","9","4","6","8","10","1") = "9"
    & skf18("6","9","4","6","9","1","1") = "8"
    & skf18("6","9","4","6","9","2","1") = "8"
    & skf18("6","9","4","6","9","3","1") = "8"
    & skf18("6","9","4","6","9","4","1") = "8"
    & skf18("6","9","4","6","9","5","1") = "8"
    & skf18("6","9","4","6","9","6","1") = "8"
    & skf18("6","9","4","6","9","7","1") = "8"
    & skf18("6","9","4","6","9","8","1") = "8"
    & skf18("6","9","4","6","9","9","1") = "8"
    & skf18("6","9","4","6","9","10","1") = "9"
    & skf18("6","9","4","6","10","1","1") = "9"
    & skf18("6","9","4","6","10","2","1") = "9"
    & skf18("6","9","4","6","10","3","1") = "9"
    & skf18("6","9","4","6","10","4","1") = "9"
    & skf18("6","9","4","6","10","5","1") = "9"
    & skf18("6","9","4","6","10","6","1") = "9"
    & skf18("6","9","4","6","10","7","1") = "9"
    & skf18("6","9","4","6","10","8","1") = "9"
    & skf18("6","9","4","6","10","9","1") = "9"
    & skf18("6","9","4","6","10","10","1") = "9"
    & skf18("6","9","4","7","1","1","1") = "8"
    & skf18("6","9","4","7","1","2","1") = "8"
    & skf18("6","9","4","7","1","3","1") = "8"
    & skf18("6","9","4","7","1","4","1") = "8"
    & skf18("6","9","4","7","1","5","1") = "8"
    & skf18("6","9","4","7","1","6","1") = "8"
    & skf18("6","9","4","7","1","7","1") = "8"
    & skf18("6","9","4","7","1","8","1") = "8"
    & skf18("6","9","4","7","1","9","1") = "8"
    & skf18("6","9","4","7","1","10","1") = "9"
    & skf18("6","9","4","7","2","1","1") = "8"
    & skf18("6","9","4","7","2","2","1") = "8"
    & skf18("6","9","4","7","2","3","1") = "8"
    & skf18("6","9","4","7","2","4","1") = "8"
    & skf18("6","9","4","7","2","5","1") = "8"
    & skf18("6","9","4","7","2","6","1") = "8"
    & skf18("6","9","4","7","2","7","1") = "8"
    & skf18("6","9","4","7","2","8","1") = "8"
    & skf18("6","9","4","7","2","9","1") = "8"
    & skf18("6","9","4","7","2","10","1") = "9"
    & skf18("6","9","4","7","3","1","1") = "8"
    & skf18("6","9","4","7","3","2","1") = "8"
    & skf18("6","9","4","7","3","3","1") = "8"
    & skf18("6","9","4","7","3","4","1") = "8"
    & skf18("6","9","4","7","3","5","1") = "8"
    & skf18("6","9","4","7","3","6","1") = "8"
    & skf18("6","9","4","7","3","7","1") = "8"
    & skf18("6","9","4","7","3","8","1") = "8"
    & skf18("6","9","4","7","3","9","1") = "8"
    & skf18("6","9","4","7","3","10","1") = "9"
    & skf18("6","9","4","7","4","1","1") = "8"
    & skf18("6","9","4","7","4","2","1") = "8"
    & skf18("6","9","4","7","4","3","1") = "8"
    & skf18("6","9","4","7","4","4","1") = "8"
    & skf18("6","9","4","7","4","5","1") = "8"
    & skf18("6","9","4","7","4","6","1") = "8"
    & skf18("6","9","4","7","4","7","1") = "8"
    & skf18("6","9","4","7","4","8","1") = "8"
    & skf18("6","9","4","7","4","9","1") = "8"
    & skf18("6","9","4","7","4","10","1") = "9"
    & skf18("6","9","4","7","5","1","1") = "8"
    & skf18("6","9","4","7","5","2","1") = "8"
    & skf18("6","9","4","7","5","3","1") = "8"
    & skf18("6","9","4","7","5","4","1") = "8"
    & skf18("6","9","4","7","5","5","1") = "8"
    & skf18("6","9","4","7","5","6","1") = "8"
    & skf18("6","9","4","7","5","7","1") = "8"
    & skf18("6","9","4","7","5","8","1") = "8"
    & skf18("6","9","4","7","5","9","1") = "8"
    & skf18("6","9","4","7","5","10","1") = "9"
    & skf18("6","9","4","7","6","1","1") = "8"
    & skf18("6","9","4","7","6","2","1") = "8"
    & skf18("6","9","4","7","6","3","1") = "8"
    & skf18("6","9","4","7","6","4","1") = "8"
    & skf18("6","9","4","7","6","5","1") = "8"
    & skf18("6","9","4","7","6","6","1") = "8"
    & skf18("6","9","4","7","6","7","1") = "8"
    & skf18("6","9","4","7","6","8","1") = "8"
    & skf18("6","9","4","7","6","9","1") = "8"
    & skf18("6","9","4","7","6","10","1") = "9"
    & skf18("6","9","4","7","7","1","1") = "8"
    & skf18("6","9","4","7","7","2","1") = "8"
    & skf18("6","9","4","7","7","3","1") = "8"
    & skf18("6","9","4","7","7","4","1") = "8"
    & skf18("6","9","4","7","7","5","1") = "8"
    & skf18("6","9","4","7","7","6","1") = "8"
    & skf18("6","9","4","7","7","7","1") = "8"
    & skf18("6","9","4","7","7","8","1") = "8"
    & skf18("6","9","4","7","7","9","1") = "8"
    & skf18("6","9","4","7","7","10","1") = "9"
    & skf18("6","9","4","7","8","1","1") = "8"
    & skf18("6","9","4","7","8","2","1") = "8"
    & skf18("6","9","4","7","8","3","1") = "8"
    & skf18("6","9","4","7","8","4","1") = "8"
    & skf18("6","9","4","7","8","5","1") = "8"
    & skf18("6","9","4","7","8","6","1") = "8"
    & skf18("6","9","4","7","8","7","1") = "8"
    & skf18("6","9","4","7","8","8","1") = "8"
    & skf18("6","9","4","7","8","9","1") = "8"
    & skf18("6","9","4","7","8","10","1") = "9"
    & skf18("6","9","4","7","9","1","1") = "8"
    & skf18("6","9","4","7","9","2","1") = "8"
    & skf18("6","9","4","7","9","3","1") = "8"
    & skf18("6","9","4","7","9","4","1") = "8"
    & skf18("6","9","4","7","9","5","1") = "8"
    & skf18("6","9","4","7","9","6","1") = "8"
    & skf18("6","9","4","7","9","7","1") = "8"
    & skf18("6","9","4","7","9","8","1") = "8"
    & skf18("6","9","4","7","9","9","1") = "8"
    & skf18("6","9","4","7","9","10","1") = "9"
    & skf18("6","9","4","7","10","1","1") = "9"
    & skf18("6","9","4","7","10","2","1") = "9"
    & skf18("6","9","4","7","10","3","1") = "9"
    & skf18("6","9","4","7","10","4","1") = "9"
    & skf18("6","9","4","7","10","5","1") = "9"
    & skf18("6","9","4","7","10","6","1") = "9"
    & skf18("6","9","4","7","10","7","1") = "9"
    & skf18("6","9","4","7","10","8","1") = "9"
    & skf18("6","9","4","7","10","9","1") = "9"
    & skf18("6","9","4","7","10","10","1") = "9"
    & skf18("6","9","4","8","1","1","1") = "8"
    & skf18("6","9","4","8","1","2","1") = "8"
    & skf18("6","9","4","8","1","3","1") = "8"
    & skf18("6","9","4","8","1","4","1") = "8"
    & skf18("6","9","4","8","1","5","1") = "8"
    & skf18("6","9","4","8","1","6","1") = "8"
    & skf18("6","9","4","8","1","7","1") = "8"
    & skf18("6","9","4","8","1","8","1") = "8"
    & skf18("6","9","4","8","1","9","1") = "8"
    & skf18("6","9","4","8","1","10","1") = "9"
    & skf18("6","9","4","8","2","1","1") = "8"
    & skf18("6","9","4","8","2","2","1") = "8"
    & skf18("6","9","4","8","2","3","1") = "8"
    & skf18("6","9","4","8","2","4","1") = "8"
    & skf18("6","9","4","8","2","5","1") = "8"
    & skf18("6","9","4","8","2","6","1") = "8"
    & skf18("6","9","4","8","2","7","1") = "8"
    & skf18("6","9","4","8","2","8","1") = "8"
    & skf18("6","9","4","8","2","9","1") = "8"
    & skf18("6","9","4","8","2","10","1") = "9"
    & skf18("6","9","4","8","3","1","1") = "8"
    & skf18("6","9","4","8","3","2","1") = "8"
    & skf18("6","9","4","8","3","3","1") = "8"
    & skf18("6","9","4","8","3","4","1") = "8"
    & skf18("6","9","4","8","3","5","1") = "8"
    & skf18("6","9","4","8","3","6","1") = "8"
    & skf18("6","9","4","8","3","7","1") = "8"
    & skf18("6","9","4","8","3","8","1") = "8"
    & skf18("6","9","4","8","3","9","1") = "8"
    & skf18("6","9","4","8","3","10","1") = "9"
    & skf18("6","9","4","8","4","1","1") = "8"
    & skf18("6","9","4","8","4","2","1") = "8"
    & skf18("6","9","4","8","4","3","1") = "8"
    & skf18("6","9","4","8","4","4","1") = "8"
    & skf18("6","9","4","8","4","5","1") = "8"
    & skf18("6","9","4","8","4","6","1") = "8"
    & skf18("6","9","4","8","4","7","1") = "8"
    & skf18("6","9","4","8","4","8","1") = "8"
    & skf18("6","9","4","8","4","9","1") = "8"
    & skf18("6","9","4","8","4","10","1") = "9"
    & skf18("6","9","4","8","5","1","1") = "8"
    & skf18("6","9","4","8","5","2","1") = "8"
    & skf18("6","9","4","8","5","3","1") = "8"
    & skf18("6","9","4","8","5","4","1") = "8"
    & skf18("6","9","4","8","5","5","1") = "8"
    & skf18("6","9","4","8","5","6","1") = "8"
    & skf18("6","9","4","8","5","7","1") = "8"
    & skf18("6","9","4","8","5","8","1") = "8"
    & skf18("6","9","4","8","5","9","1") = "8"
    & skf18("6","9","4","8","5","10","1") = "9"
    & skf18("6","9","4","8","6","1","1") = "8"
    & skf18("6","9","4","8","6","2","1") = "8"
    & skf18("6","9","4","8","6","3","1") = "8"
    & skf18("6","9","4","8","6","4","1") = "8"
    & skf18("6","9","4","8","6","5","1") = "8"
    & skf18("6","9","4","8","6","6","1") = "8"
    & skf18("6","9","4","8","6","7","1") = "8"
    & skf18("6","9","4","8","6","8","1") = "8"
    & skf18("6","9","4","8","6","9","1") = "8"
    & skf18("6","9","4","8","6","10","1") = "9"
    & skf18("6","9","4","8","7","1","1") = "8"
    & skf18("6","9","4","8","7","2","1") = "8"
    & skf18("6","9","4","8","7","3","1") = "8"
    & skf18("6","9","4","8","7","4","1") = "8"
    & skf18("6","9","4","8","7","5","1") = "8"
    & skf18("6","9","4","8","7","6","1") = "8"
    & skf18("6","9","4","8","7","7","1") = "8"
    & skf18("6","9","4","8","7","8","1") = "8"
    & skf18("6","9","4","8","7","9","1") = "8"
    & skf18("6","9","4","8","7","10","1") = "9"
    & skf18("6","9","4","8","8","1","1") = "8"
    & skf18("6","9","4","8","8","2","1") = "8"
    & skf18("6","9","4","8","8","3","1") = "8"
    & skf18("6","9","4","8","8","4","1") = "8"
    & skf18("6","9","4","8","8","5","1") = "8"
    & skf18("6","9","4","8","8","6","1") = "8"
    & skf18("6","9","4","8","8","7","1") = "8"
    & skf18("6","9","4","8","8","8","1") = "8"
    & skf18("6","9","4","8","8","9","1") = "8"
    & skf18("6","9","4","8","8","10","1") = "9"
    & skf18("6","9","4","8","9","1","1") = "8"
    & skf18("6","9","4","8","9","2","1") = "8"
    & skf18("6","9","4","8","9","3","1") = "8"
    & skf18("6","9","4","8","9","4","1") = "8"
    & skf18("6","9","4","8","9","5","1") = "8"
    & skf18("6","9","4","8","9","6","1") = "8"
    & skf18("6","9","4","8","9","7","1") = "8"
    & skf18("6","9","4","8","9","8","1") = "8"
    & skf18("6","9","4","8","9","9","1") = "8"
    & skf18("6","9","4","8","9","10","1") = "9"
    & skf18("6","9","4","8","10","1","1") = "9"
    & skf18("6","9","4","8","10","2","1") = "9"
    & skf18("6","9","4","8","10","3","1") = "9"
    & skf18("6","9","4","8","10","4","1") = "9"
    & skf18("6","9","4","8","10","5","1") = "9"
    & skf18("6","9","4","8","10","6","1") = "9"
    & skf18("6","9","4","8","10","7","1") = "9"
    & skf18("6","9","4","8","10","8","1") = "9"
    & skf18("6","9","4","8","10","9","1") = "9"
    & skf18("6","9","4","8","10","10","1") = "9"
    & skf18("6","9","4","9","1","1","1") = "8"
    & skf18("6","9","4","9","1","2","1") = "8"
    & skf18("6","9","4","9","1","3","1") = "8"
    & skf18("6","9","4","9","1","4","1") = "8"
    & skf18("6","9","4","9","1","5","1") = "8"
    & skf18("6","9","4","9","1","6","1") = "8"
    & skf18("6","9","4","9","1","7","1") = "8"
    & skf18("6","9","4","9","1","8","1") = "8"
    & skf18("6","9","4","9","1","9","1") = "8"
    & skf18("6","9","4","9","1","10","1") = "9"
    & skf18("6","9","4","9","2","1","1") = "8"
    & skf18("6","9","4","9","2","2","1") = "8"
    & skf18("6","9","4","9","2","3","1") = "8"
    & skf18("6","9","4","9","2","4","1") = "8"
    & skf18("6","9","4","9","2","5","1") = "8"
    & skf18("6","9","4","9","2","6","1") = "8"
    & skf18("6","9","4","9","2","7","1") = "8"
    & skf18("6","9","4","9","2","8","1") = "8"
    & skf18("6","9","4","9","2","9","1") = "8"
    & skf18("6","9","4","9","2","10","1") = "9"
    & skf18("6","9","4","9","3","1","1") = "8"
    & skf18("6","9","4","9","3","2","1") = "8"
    & skf18("6","9","4","9","3","3","1") = "8"
    & skf18("6","9","4","9","3","4","1") = "8"
    & skf18("6","9","4","9","3","5","1") = "8"
    & skf18("6","9","4","9","3","6","1") = "8"
    & skf18("6","9","4","9","3","7","1") = "8"
    & skf18("6","9","4","9","3","8","1") = "8"
    & skf18("6","9","4","9","3","9","1") = "8"
    & skf18("6","9","4","9","3","10","1") = "9"
    & skf18("6","9","4","9","4","1","1") = "8"
    & skf18("6","9","4","9","4","2","1") = "8"
    & skf18("6","9","4","9","4","3","1") = "8"
    & skf18("6","9","4","9","4","4","1") = "8"
    & skf18("6","9","4","9","4","5","1") = "8"
    & skf18("6","9","4","9","4","6","1") = "8"
    & skf18("6","9","4","9","4","7","1") = "8"
    & skf18("6","9","4","9","4","8","1") = "8"
    & skf18("6","9","4","9","4","9","1") = "8"
    & skf18("6","9","4","9","4","10","1") = "9"
    & skf18("6","9","4","9","5","1","1") = "8"
    & skf18("6","9","4","9","5","2","1") = "8"
    & skf18("6","9","4","9","5","3","1") = "8"
    & skf18("6","9","4","9","5","4","1") = "8"
    & skf18("6","9","4","9","5","5","1") = "8"
    & skf18("6","9","4","9","5","6","1") = "8"
    & skf18("6","9","4","9","5","7","1") = "8"
    & skf18("6","9","4","9","5","8","1") = "8"
    & skf18("6","9","4","9","5","9","1") = "8"
    & skf18("6","9","4","9","5","10","1") = "9"
    & skf18("6","9","4","9","6","1","1") = "8"
    & skf18("6","9","4","9","6","2","1") = "8"
    & skf18("6","9","4","9","6","3","1") = "8"
    & skf18("6","9","4","9","6","4","1") = "8"
    & skf18("6","9","4","9","6","5","1") = "8"
    & skf18("6","9","4","9","6","6","1") = "8"
    & skf18("6","9","4","9","6","7","1") = "8"
    & skf18("6","9","4","9","6","8","1") = "8"
    & skf18("6","9","4","9","6","9","1") = "8"
    & skf18("6","9","4","9","6","10","1") = "9"
    & skf18("6","9","4","9","7","1","1") = "8"
    & skf18("6","9","4","9","7","2","1") = "8"
    & skf18("6","9","4","9","7","3","1") = "8"
    & skf18("6","9","4","9","7","4","1") = "8"
    & skf18("6","9","4","9","7","5","1") = "8"
    & skf18("6","9","4","9","7","6","1") = "8"
    & skf18("6","9","4","9","7","7","1") = "8"
    & skf18("6","9","4","9","7","8","1") = "8"
    & skf18("6","9","4","9","7","9","1") = "8"
    & skf18("6","9","4","9","7","10","1") = "9"
    & skf18("6","9","4","9","8","1","1") = "8"
    & skf18("6","9","4","9","8","2","1") = "8"
    & skf18("6","9","4","9","8","3","1") = "8"
    & skf18("6","9","4","9","8","4","1") = "8"
    & skf18("6","9","4","9","8","5","1") = "8"
    & skf18("6","9","4","9","8","6","1") = "8"
    & skf18("6","9","4","9","8","7","1") = "8"
    & skf18("6","9","4","9","8","8","1") = "8"
    & skf18("6","9","4","9","8","9","1") = "8"
    & skf18("6","9","4","9","8","10","1") = "9"
    & skf18("6","9","4","9","9","1","1") = "8"
    & skf18("6","9","4","9","9","2","1") = "8"
    & skf18("6","9","4","9","9","3","1") = "8"
    & skf18("6","9","4","9","9","4","1") = "8"
    & skf18("6","9","4","9","9","5","1") = "8"
    & skf18("6","9","4","9","9","6","1") = "8"
    & skf18("6","9","4","9","9","7","1") = "8"
    & skf18("6","9","4","9","9","8","1") = "8"
    & skf18("6","9","4","9","9","9","1") = "8"
    & skf18("6","9","4","9","9","10","1") = "9"
    & skf18("6","9","4","9","10","1","1") = "9"
    & skf18("6","9","4","9","10","2","1") = "9"
    & skf18("6","9","4","9","10","3","1") = "9"
    & skf18("6","9","4","9","10","4","1") = "9"
    & skf18("6","9","4","9","10","5","1") = "9"
    & skf18("6","9","4","9","10","6","1") = "9"
    & skf18("6","9","4","9","10","7","1") = "9"
    & skf18("6","9","4","9","10","8","1") = "9"
    & skf18("6","9","4","9","10","9","1") = "9"
    & skf18("6","9","4","9","10","10","1") = "9"
    & skf18("6","9","4","10","1","1","1") = "9"
    & skf18("6","9","4","10","1","2","1") = "9"
    & skf18("6","9","4","10","1","3","1") = "9"
    & skf18("6","9","4","10","1","4","1") = "9"
    & skf18("6","9","4","10","1","5","1") = "9"
    & skf18("6","9","4","10","1","6","1") = "9"
    & skf18("6","9","4","10","1","7","1") = "9"
    & skf18("6","9","4","10","1","8","1") = "9"
    & skf18("6","9","4","10","1","9","1") = "9"
    & skf18("6","9","4","10","1","10","1") = "9"
    & skf18("6","9","4","10","2","1","1") = "9"
    & skf18("6","9","4","10","2","2","1") = "9"
    & skf18("6","9","4","10","2","3","1") = "9"
    & skf18("6","9","4","10","2","4","1") = "9"
    & skf18("6","9","4","10","2","5","1") = "9"
    & skf18("6","9","4","10","2","6","1") = "9"
    & skf18("6","9","4","10","2","7","1") = "9"
    & skf18("6","9","4","10","2","8","1") = "9"
    & skf18("6","9","4","10","2","9","1") = "9"
    & skf18("6","9","4","10","2","10","1") = "9"
    & skf18("6","9","4","10","3","1","1") = "9"
    & skf18("6","9","4","10","3","2","1") = "9"
    & skf18("6","9","4","10","3","3","1") = "9"
    & skf18("6","9","4","10","3","4","1") = "9"
    & skf18("6","9","4","10","3","5","1") = "9"
    & skf18("6","9","4","10","3","6","1") = "9"
    & skf18("6","9","4","10","3","7","1") = "9"
    & skf18("6","9","4","10","3","8","1") = "9"
    & skf18("6","9","4","10","3","9","1") = "9"
    & skf18("6","9","4","10","3","10","1") = "9"
    & skf18("6","9","4","10","4","1","1") = "9"
    & skf18("6","9","4","10","4","2","1") = "9"
    & skf18("6","9","4","10","4","3","1") = "9"
    & skf18("6","9","4","10","4","4","1") = "9"
    & skf18("6","9","4","10","4","5","1") = "9"
    & skf18("6","9","4","10","4","6","1") = "9"
    & skf18("6","9","4","10","4","7","1") = "9"
    & skf18("6","9","4","10","4","8","1") = "9"
    & skf18("6","9","4","10","4","9","1") = "9"
    & skf18("6","9","4","10","4","10","1") = "9"
    & skf18("6","9","4","10","5","1","1") = "9"
    & skf18("6","9","4","10","5","2","1") = "9"
    & skf18("6","9","4","10","5","3","1") = "9"
    & skf18("6","9","4","10","5","4","1") = "9"
    & skf18("6","9","4","10","5","5","1") = "9"
    & skf18("6","9","4","10","5","6","1") = "9"
    & skf18("6","9","4","10","5","7","1") = "9"
    & skf18("6","9","4","10","5","8","1") = "9"
    & skf18("6","9","4","10","5","9","1") = "9"
    & skf18("6","9","4","10","5","10","1") = "9"
    & skf18("6","9","4","10","6","1","1") = "9"
    & skf18("6","9","4","10","6","2","1") = "9"
    & skf18("6","9","4","10","6","3","1") = "9"
    & skf18("6","9","4","10","6","4","1") = "9"
    & skf18("6","9","4","10","6","5","1") = "9"
    & skf18("6","9","4","10","6","6","1") = "9"
    & skf18("6","9","4","10","6","7","1") = "9"
    & skf18("6","9","4","10","6","8","1") = "9"
    & skf18("6","9","4","10","6","9","1") = "9"
    & skf18("6","9","4","10","6","10","1") = "9"
    & skf18("6","9","4","10","7","1","1") = "9"
    & skf18("6","9","4","10","7","2","1") = "9"
    & skf18("6","9","4","10","7","3","1") = "9"
    & skf18("6","9","4","10","7","4","1") = "9"
    & skf18("6","9","4","10","7","5","1") = "9"
    & skf18("6","9","4","10","7","6","1") = "9"
    & skf18("6","9","4","10","7","7","1") = "9"
    & skf18("6","9","4","10","7","8","1") = "9"
    & skf18("6","9","4","10","7","9","1") = "9"
    & skf18("6","9","4","10","7","10","1") = "9"
    & skf18("6","9","4","10","8","1","1") = "9"
    & skf18("6","9","4","10","8","2","1") = "9"
    & skf18("6","9","4","10","8","3","1") = "9"
    & skf18("6","9","4","10","8","4","1") = "9"
    & skf18("6","9","4","10","8","5","1") = "9"
    & skf18("6","9","4","10","8","6","1") = "9"
    & skf18("6","9","4","10","8","7","1") = "9"
    & skf18("6","9","4","10","8","8","1") = "9"
    & skf18("6","9","4","10","8","9","1") = "9"
    & skf18("6","9","4","10","8","10","1") = "9"
    & skf18("6","9","4","10","9","1","1") = "9"
    & skf18("6","9","4","10","9","2","1") = "9"
    & skf18("6","9","4","10","9","3","1") = "9"
    & skf18("6","9","4","10","9","4","1") = "9"
    & skf18("6","9","4","10","9","5","1") = "9"
    & skf18("6","9","4","10","9","6","1") = "9"
    & skf18("6","9","4","10","9","7","1") = "9"
    & skf18("6","9","4","10","9","8","1") = "9"
    & skf18("6","9","4","10","9","9","1") = "9"
    & skf18("6","9","4","10","9","10","1") = "9"
    & skf18("6","9","4","10","10","1","1") = "9"
    & skf18("6","9","4","10","10","2","1") = "9"
    & skf18("6","9","4","10","10","3","1") = "9"
    & skf18("6","9","4","10","10","4","1") = "9"
    & skf18("6","9","4","10","10","5","1") = "9"
    & skf18("6","9","4","10","10","6","1") = "9"
    & skf18("6","9","4","10","10","7","1") = "9"
    & skf18("6","9","4","10","10","8","1") = "9"
    & skf18("6","9","4","10","10","9","1") = "9"
    & skf18("6","9","4","10","10","10","1") = "9"
    & skf18("6","9","5","1","1","1","1") = "8"
    & skf18("6","9","5","1","1","2","1") = "8"
    & skf18("6","9","5","1","1","3","1") = "8"
    & skf18("6","9","5","1","1","4","1") = "8"
    & skf18("6","9","5","1","1","5","1") = "8"
    & skf18("6","9","5","1","1","6","1") = "8"
    & skf18("6","9","5","1","1","7","1") = "8"
    & skf18("6","9","5","1","1","8","1") = "8"
    & skf18("6","9","5","1","1","9","1") = "8"
    & skf18("6","9","5","1","1","10","1") = "9"
    & skf18("6","9","5","1","2","1","1") = "8"
    & skf18("6","9","5","1","2","2","1") = "8"
    & skf18("6","9","5","1","2","3","1") = "8"
    & skf18("6","9","5","1","2","4","1") = "8"
    & skf18("6","9","5","1","2","5","1") = "8"
    & skf18("6","9","5","1","2","6","1") = "8"
    & skf18("6","9","5","1","2","7","1") = "8"
    & skf18("6","9","5","1","2","8","1") = "8"
    & skf18("6","9","5","1","2","9","1") = "8"
    & skf18("6","9","5","1","2","10","1") = "9"
    & skf18("6","9","5","1","3","1","1") = "8"
    & skf18("6","9","5","1","3","2","1") = "8"
    & skf18("6","9","5","1","3","3","1") = "8"
    & skf18("6","9","5","1","3","4","1") = "8"
    & skf18("6","9","5","1","3","5","1") = "8"
    & skf18("6","9","5","1","3","6","1") = "8"
    & skf18("6","9","5","1","3","7","1") = "8"
    & skf18("6","9","5","1","3","8","1") = "8"
    & skf18("6","9","5","1","3","9","1") = "8"
    & skf18("6","9","5","1","3","10","1") = "9"
    & skf18("6","9","5","1","4","1","1") = "8"
    & skf18("6","9","5","1","4","2","1") = "8"
    & skf18("6","9","5","1","4","3","1") = "8"
    & skf18("6","9","5","1","4","4","1") = "8"
    & skf18("6","9","5","1","4","5","1") = "8"
    & skf18("6","9","5","1","4","6","1") = "8"
    & skf18("6","9","5","1","4","7","1") = "8"
    & skf18("6","9","5","1","4","8","1") = "8"
    & skf18("6","9","5","1","4","9","1") = "8"
    & skf18("6","9","5","1","4","10","1") = "9"
    & skf18("6","9","5","1","5","1","1") = "8"
    & skf18("6","9","5","1","5","2","1") = "8"
    & skf18("6","9","5","1","5","3","1") = "8"
    & skf18("6","9","5","1","5","4","1") = "8"
    & skf18("6","9","5","1","5","5","1") = "8"
    & skf18("6","9","5","1","5","6","1") = "8"
    & skf18("6","9","5","1","5","7","1") = "8"
    & skf18("6","9","5","1","5","8","1") = "8"
    & skf18("6","9","5","1","5","9","1") = "8"
    & skf18("6","9","5","1","5","10","1") = "9"
    & skf18("6","9","5","1","6","1","1") = "8"
    & skf18("6","9","5","1","6","2","1") = "8"
    & skf18("6","9","5","1","6","3","1") = "8"
    & skf18("6","9","5","1","6","4","1") = "8"
    & skf18("6","9","5","1","6","5","1") = "8"
    & skf18("6","9","5","1","6","6","1") = "8"
    & skf18("6","9","5","1","6","7","1") = "8"
    & skf18("6","9","5","1","6","8","1") = "8"
    & skf18("6","9","5","1","6","9","1") = "8"
    & skf18("6","9","5","1","6","10","1") = "9"
    & skf18("6","9","5","1","7","1","1") = "8"
    & skf18("6","9","5","1","7","2","1") = "8"
    & skf18("6","9","5","1","7","3","1") = "8"
    & skf18("6","9","5","1","7","4","1") = "8"
    & skf18("6","9","5","1","7","5","1") = "8"
    & skf18("6","9","5","1","7","6","1") = "8"
    & skf18("6","9","5","1","7","7","1") = "8"
    & skf18("6","9","5","1","7","8","1") = "8"
    & skf18("6","9","5","1","7","9","1") = "8"
    & skf18("6","9","5","1","7","10","1") = "9"
    & skf18("6","9","5","1","8","1","1") = "8"
    & skf18("6","9","5","1","8","2","1") = "8"
    & skf18("6","9","5","1","8","3","1") = "8"
    & skf18("6","9","5","1","8","4","1") = "8"
    & skf18("6","9","5","1","8","5","1") = "8"
    & skf18("6","9","5","1","8","6","1") = "8"
    & skf18("6","9","5","1","8","7","1") = "8"
    & skf18("6","9","5","1","8","8","1") = "8"
    & skf18("6","9","5","1","8","9","1") = "8"
    & skf18("6","9","5","1","8","10","1") = "9"
    & skf18("6","9","5","1","9","1","1") = "8"
    & skf18("6","9","5","1","9","2","1") = "8"
    & skf18("6","9","5","1","9","3","1") = "8"
    & skf18("6","9","5","1","9","4","1") = "8"
    & skf18("6","9","5","1","9","5","1") = "8"
    & skf18("6","9","5","1","9","6","1") = "8"
    & skf18("6","9","5","1","9","7","1") = "8"
    & skf18("6","9","5","1","9","8","1") = "8"
    & skf18("6","9","5","1","9","9","1") = "8"
    & skf18("6","9","5","1","9","10","1") = "9"
    & skf18("6","9","5","1","10","1","1") = "9"
    & skf18("6","9","5","1","10","2","1") = "9"
    & skf18("6","9","5","1","10","3","1") = "9"
    & skf18("6","9","5","1","10","4","1") = "9"
    & skf18("6","9","5","1","10","5","1") = "9"
    & skf18("6","9","5","1","10","6","1") = "9"
    & skf18("6","9","5","1","10","7","1") = "9"
    & skf18("6","9","5","1","10","8","1") = "9"
    & skf18("6","9","5","1","10","9","1") = "9"
    & skf18("6","9","5","1","10","10","1") = "9"
    & skf18("6","9","5","2","1","1","1") = "8"
    & skf18("6","9","5","2","1","2","1") = "8"
    & skf18("6","9","5","2","1","3","1") = "8"
    & skf18("6","9","5","2","1","4","1") = "8"
    & skf18("6","9","5","2","1","5","1") = "8"
    & skf18("6","9","5","2","1","6","1") = "8"
    & skf18("6","9","5","2","1","7","1") = "8"
    & skf18("6","9","5","2","1","8","1") = "8"
    & skf18("6","9","5","2","1","9","1") = "8"
    & skf18("6","9","5","2","1","10","1") = "9"
    & skf18("6","9","5","2","2","1","1") = "8"
    & skf18("6","9","5","2","2","2","1") = "8"
    & skf18("6","9","5","2","2","3","1") = "8"
    & skf18("6","9","5","2","2","4","1") = "8"
    & skf18("6","9","5","2","2","5","1") = "8"
    & skf18("6","9","5","2","2","6","1") = "8"
    & skf18("6","9","5","2","2","7","1") = "8"
    & skf18("6","9","5","2","2","8","1") = "8"
    & skf18("6","9","5","2","2","9","1") = "8"
    & skf18("6","9","5","2","2","10","1") = "9"
    & skf18("6","9","5","2","3","1","1") = "8"
    & skf18("6","9","5","2","3","2","1") = "8"
    & skf18("6","9","5","2","3","3","1") = "8"
    & skf18("6","9","5","2","3","4","1") = "8"
    & skf18("6","9","5","2","3","5","1") = "8"
    & skf18("6","9","5","2","3","6","1") = "8"
    & skf18("6","9","5","2","3","7","1") = "8"
    & skf18("6","9","5","2","3","8","1") = "8"
    & skf18("6","9","5","2","3","9","1") = "8"
    & skf18("6","9","5","2","3","10","1") = "9"
    & skf18("6","9","5","2","4","1","1") = "8"
    & skf18("6","9","5","2","4","2","1") = "8"
    & skf18("6","9","5","2","4","3","1") = "8"
    & skf18("6","9","5","2","4","4","1") = "8"
    & skf18("6","9","5","2","4","5","1") = "8"
    & skf18("6","9","5","2","4","6","1") = "8"
    & skf18("6","9","5","2","4","7","1") = "8"
    & skf18("6","9","5","2","4","8","1") = "8"
    & skf18("6","9","5","2","4","9","1") = "8"
    & skf18("6","9","5","2","4","10","1") = "9"
    & skf18("6","9","5","2","5","1","1") = "8"
    & skf18("6","9","5","2","5","2","1") = "8"
    & skf18("6","9","5","2","5","3","1") = "8"
    & skf18("6","9","5","2","5","4","1") = "8"
    & skf18("6","9","5","2","5","5","1") = "8"
    & skf18("6","9","5","2","5","6","1") = "8"
    & skf18("6","9","5","2","5","7","1") = "8"
    & skf18("6","9","5","2","5","8","1") = "8"
    & skf18("6","9","5","2","5","9","1") = "8"
    & skf18("6","9","5","2","5","10","1") = "9"
    & skf18("6","9","5","2","6","1","1") = "8"
    & skf18("6","9","5","2","6","2","1") = "8"
    & skf18("6","9","5","2","6","3","1") = "8"
    & skf18("6","9","5","2","6","4","1") = "8"
    & skf18("6","9","5","2","6","5","1") = "8"
    & skf18("6","9","5","2","6","6","1") = "8"
    & skf18("6","9","5","2","6","7","1") = "8"
    & skf18("6","9","5","2","6","8","1") = "8"
    & skf18("6","9","5","2","6","9","1") = "8"
    & skf18("6","9","5","2","6","10","1") = "9"
    & skf18("6","9","5","2","7","1","1") = "8"
    & skf18("6","9","5","2","7","2","1") = "8"
    & skf18("6","9","5","2","7","3","1") = "8"
    & skf18("6","9","5","2","7","4","1") = "8"
    & skf18("6","9","5","2","7","5","1") = "8"
    & skf18("6","9","5","2","7","6","1") = "8"
    & skf18("6","9","5","2","7","7","1") = "8"
    & skf18("6","9","5","2","7","8","1") = "8"
    & skf18("6","9","5","2","7","9","1") = "8"
    & skf18("6","9","5","2","7","10","1") = "9"
    & skf18("6","9","5","2","8","1","1") = "8"
    & skf18("6","9","5","2","8","2","1") = "8"
    & skf18("6","9","5","2","8","3","1") = "8"
    & skf18("6","9","5","2","8","4","1") = "8"
    & skf18("6","9","5","2","8","5","1") = "8"
    & skf18("6","9","5","2","8","6","1") = "8"
    & skf18("6","9","5","2","8","7","1") = "8"
    & skf18("6","9","5","2","8","8","1") = "8"
    & skf18("6","9","5","2","8","9","1") = "8"
    & skf18("6","9","5","2","8","10","1") = "9"
    & skf18("6","9","5","2","9","1","1") = "8"
    & skf18("6","9","5","2","9","2","1") = "8"
    & skf18("6","9","5","2","9","3","1") = "8"
    & skf18("6","9","5","2","9","4","1") = "8"
    & skf18("6","9","5","2","9","5","1") = "8"
    & skf18("6","9","5","2","9","6","1") = "8"
    & skf18("6","9","5","2","9","7","1") = "8"
    & skf18("6","9","5","2","9","8","1") = "8"
    & skf18("6","9","5","2","9","9","1") = "8"
    & skf18("6","9","5","2","9","10","1") = "9"
    & skf18("6","9","5","2","10","1","1") = "9"
    & skf18("6","9","5","2","10","2","1") = "9"
    & skf18("6","9","5","2","10","3","1") = "9"
    & skf18("6","9","5","2","10","4","1") = "9"
    & skf18("6","9","5","2","10","5","1") = "9"
    & skf18("6","9","5","2","10","6","1") = "9"
    & skf18("6","9","5","2","10","7","1") = "9"
    & skf18("6","9","5","2","10","8","1") = "9"
    & skf18("6","9","5","2","10","9","1") = "9"
    & skf18("6","9","5","2","10","10","1") = "9"
    & skf18("6","9","5","3","1","1","1") = "8"
    & skf18("6","9","5","3","1","2","1") = "8"
    & skf18("6","9","5","3","1","3","1") = "8"
    & skf18("6","9","5","3","1","4","1") = "8"
    & skf18("6","9","5","3","1","5","1") = "8"
    & skf18("6","9","5","3","1","6","1") = "8"
    & skf18("6","9","5","3","1","7","1") = "8"
    & skf18("6","9","5","3","1","8","1") = "8"
    & skf18("6","9","5","3","1","9","1") = "8"
    & skf18("6","9","5","3","1","10","1") = "9"
    & skf18("6","9","5","3","2","1","1") = "8"
    & skf18("6","9","5","3","2","2","1") = "8"
    & skf18("6","9","5","3","2","3","1") = "8"
    & skf18("6","9","5","3","2","4","1") = "8"
    & skf18("6","9","5","3","2","5","1") = "8"
    & skf18("6","9","5","3","2","6","1") = "8"
    & skf18("6","9","5","3","2","7","1") = "8"
    & skf18("6","9","5","3","2","8","1") = "8"
    & skf18("6","9","5","3","2","9","1") = "8"
    & skf18("6","9","5","3","2","10","1") = "9"
    & skf18("6","9","5","3","3","1","1") = "8"
    & skf18("6","9","5","3","3","2","1") = "8"
    & skf18("6","9","5","3","3","3","1") = "8"
    & skf18("6","9","5","3","3","4","1") = "8"
    & skf18("6","9","5","3","3","5","1") = "8"
    & skf18("6","9","5","3","3","6","1") = "8"
    & skf18("6","9","5","3","3","7","1") = "8"
    & skf18("6","9","5","3","3","8","1") = "8"
    & skf18("6","9","5","3","3","9","1") = "8"
    & skf18("6","9","5","3","3","10","1") = "9"
    & skf18("6","9","5","3","4","1","1") = "8"
    & skf18("6","9","5","3","4","2","1") = "8"
    & skf18("6","9","5","3","4","3","1") = "8"
    & skf18("6","9","5","3","4","4","1") = "8"
    & skf18("6","9","5","3","4","5","1") = "8"
    & skf18("6","9","5","3","4","6","1") = "8"
    & skf18("6","9","5","3","4","7","1") = "8"
    & skf18("6","9","5","3","4","8","1") = "8"
    & skf18("6","9","5","3","4","9","1") = "8"
    & skf18("6","9","5","3","4","10","1") = "9"
    & skf18("6","9","5","3","5","1","1") = "8"
    & skf18("6","9","5","3","5","2","1") = "8"
    & skf18("6","9","5","3","5","3","1") = "8"
    & skf18("6","9","5","3","5","4","1") = "8"
    & skf18("6","9","5","3","5","5","1") = "8"
    & skf18("6","9","5","3","5","6","1") = "8"
    & skf18("6","9","5","3","5","7","1") = "8"
    & skf18("6","9","5","3","5","8","1") = "8"
    & skf18("6","9","5","3","5","9","1") = "8"
    & skf18("6","9","5","3","5","10","1") = "9"
    & skf18("6","9","5","3","6","1","1") = "8"
    & skf18("6","9","5","3","6","2","1") = "8"
    & skf18("6","9","5","3","6","3","1") = "8"
    & skf18("6","9","5","3","6","4","1") = "8"
    & skf18("6","9","5","3","6","5","1") = "8"
    & skf18("6","9","5","3","6","6","1") = "8"
    & skf18("6","9","5","3","6","7","1") = "8"
    & skf18("6","9","5","3","6","8","1") = "8"
    & skf18("6","9","5","3","6","9","1") = "8"
    & skf18("6","9","5","3","6","10","1") = "9"
    & skf18("6","9","5","3","7","1","1") = "8"
    & skf18("6","9","5","3","7","2","1") = "8"
    & skf18("6","9","5","3","7","3","1") = "8"
    & skf18("6","9","5","3","7","4","1") = "8"
    & skf18("6","9","5","3","7","5","1") = "8"
    & skf18("6","9","5","3","7","6","1") = "8"
    & skf18("6","9","5","3","7","7","1") = "8"
    & skf18("6","9","5","3","7","8","1") = "8"
    & skf18("6","9","5","3","7","9","1") = "8"
    & skf18("6","9","5","3","7","10","1") = "9"
    & skf18("6","9","5","3","8","1","1") = "8"
    & skf18("6","9","5","3","8","2","1") = "8"
    & skf18("6","9","5","3","8","3","1") = "8"
    & skf18("6","9","5","3","8","4","1") = "8"
    & skf18("6","9","5","3","8","5","1") = "8"
    & skf18("6","9","5","3","8","6","1") = "8"
    & skf18("6","9","5","3","8","7","1") = "8"
    & skf18("6","9","5","3","8","8","1") = "8"
    & skf18("6","9","5","3","8","9","1") = "8"
    & skf18("6","9","5","3","8","10","1") = "9"
    & skf18("6","9","5","3","9","1","1") = "8"
    & skf18("6","9","5","3","9","2","1") = "8"
    & skf18("6","9","5","3","9","3","1") = "8"
    & skf18("6","9","5","3","9","4","1") = "8"
    & skf18("6","9","5","3","9","5","1") = "8"
    & skf18("6","9","5","3","9","6","1") = "8"
    & skf18("6","9","5","3","9","7","1") = "8"
    & skf18("6","9","5","3","9","8","1") = "8"
    & skf18("6","9","5","3","9","9","1") = "8"
    & skf18("6","9","5","3","9","10","1") = "9"
    & skf18("6","9","5","3","10","1","1") = "9"
    & skf18("6","9","5","3","10","2","1") = "9"
    & skf18("6","9","5","3","10","3","1") = "9"
    & skf18("6","9","5","3","10","4","1") = "9"
    & skf18("6","9","5","3","10","5","1") = "9"
    & skf18("6","9","5","3","10","6","1") = "9"
    & skf18("6","9","5","3","10","7","1") = "9"
    & skf18("6","9","5","3","10","8","1") = "9"
    & skf18("6","9","5","3","10","9","1") = "9"
    & skf18("6","9","5","3","10","10","1") = "9"
    & skf18("6","9","5","4","1","1","1") = "8"
    & skf18("6","9","5","4","1","2","1") = "8"
    & skf18("6","9","5","4","1","3","1") = "8"
    & skf18("6","9","5","4","1","4","1") = "8"
    & skf18("6","9","5","4","1","5","1") = "8"
    & skf18("6","9","5","4","1","6","1") = "8"
    & skf18("6","9","5","4","1","7","1") = "8"
    & skf18("6","9","5","4","1","8","1") = "8"
    & skf18("6","9","5","4","1","9","1") = "8"
    & skf18("6","9","5","4","1","10","1") = "9"
    & skf18("6","9","5","4","2","1","1") = "8"
    & skf18("6","9","5","4","2","2","1") = "8"
    & skf18("6","9","5","4","2","3","1") = "8"
    & skf18("6","9","5","4","2","4","1") = "8"
    & skf18("6","9","5","4","2","5","1") = "8"
    & skf18("6","9","5","4","2","6","1") = "8"
    & skf18("6","9","5","4","2","7","1") = "8"
    & skf18("6","9","5","4","2","8","1") = "8"
    & skf18("6","9","5","4","2","9","1") = "8"
    & skf18("6","9","5","4","2","10","1") = "9"
    & skf18("6","9","5","4","3","1","1") = "8"
    & skf18("6","9","5","4","3","2","1") = "8"
    & skf18("6","9","5","4","3","3","1") = "8"
    & skf18("6","9","5","4","3","4","1") = "8"
    & skf18("6","9","5","4","3","5","1") = "8"
    & skf18("6","9","5","4","3","6","1") = "8"
    & skf18("6","9","5","4","3","7","1") = "8"
    & skf18("6","9","5","4","3","8","1") = "8"
    & skf18("6","9","5","4","3","9","1") = "8"
    & skf18("6","9","5","4","3","10","1") = "9"
    & skf18("6","9","5","4","4","1","1") = "8"
    & skf18("6","9","5","4","4","2","1") = "8"
    & skf18("6","9","5","4","4","3","1") = "8"
    & skf18("6","9","5","4","4","4","1") = "8"
    & skf18("6","9","5","4","4","5","1") = "8"
    & skf18("6","9","5","4","4","6","1") = "8"
    & skf18("6","9","5","4","4","7","1") = "8"
    & skf18("6","9","5","4","4","8","1") = "8"
    & skf18("6","9","5","4","4","9","1") = "8"
    & skf18("6","9","5","4","4","10","1") = "9"
    & skf18("6","9","5","4","5","1","1") = "8"
    & skf18("6","9","5","4","5","2","1") = "8"
    & skf18("6","9","5","4","5","3","1") = "8"
    & skf18("6","9","5","4","5","4","1") = "8"
    & skf18("6","9","5","4","5","5","1") = "8"
    & skf18("6","9","5","4","5","6","1") = "8"
    & skf18("6","9","5","4","5","7","1") = "8"
    & skf18("6","9","5","4","5","8","1") = "8"
    & skf18("6","9","5","4","5","9","1") = "8"
    & skf18("6","9","5","4","5","10","1") = "9"
    & skf18("6","9","5","4","6","1","1") = "8"
    & skf18("6","9","5","4","6","2","1") = "8"
    & skf18("6","9","5","4","6","3","1") = "8"
    & skf18("6","9","5","4","6","4","1") = "8"
    & skf18("6","9","5","4","6","5","1") = "8"
    & skf18("6","9","5","4","6","6","1") = "8"
    & skf18("6","9","5","4","6","7","1") = "8"
    & skf18("6","9","5","4","6","8","1") = "8"
    & skf18("6","9","5","4","6","9","1") = "8"
    & skf18("6","9","5","4","6","10","1") = "9"
    & skf18("6","9","5","4","7","1","1") = "8"
    & skf18("6","9","5","4","7","2","1") = "8"
    & skf18("6","9","5","4","7","3","1") = "8"
    & skf18("6","9","5","4","7","4","1") = "8"
    & skf18("6","9","5","4","7","5","1") = "8"
    & skf18("6","9","5","4","7","6","1") = "8"
    & skf18("6","9","5","4","7","7","1") = "8"
    & skf18("6","9","5","4","7","8","1") = "8"
    & skf18("6","9","5","4","7","9","1") = "8"
    & skf18("6","9","5","4","7","10","1") = "9"
    & skf18("6","9","5","4","8","1","1") = "8"
    & skf18("6","9","5","4","8","2","1") = "8"
    & skf18("6","9","5","4","8","3","1") = "8"
    & skf18("6","9","5","4","8","4","1") = "8"
    & skf18("6","9","5","4","8","5","1") = "8"
    & skf18("6","9","5","4","8","6","1") = "8"
    & skf18("6","9","5","4","8","7","1") = "8"
    & skf18("6","9","5","4","8","8","1") = "8"
    & skf18("6","9","5","4","8","9","1") = "8"
    & skf18("6","9","5","4","8","10","1") = "9"
    & skf18("6","9","5","4","9","1","1") = "8"
    & skf18("6","9","5","4","9","2","1") = "8"
    & skf18("6","9","5","4","9","3","1") = "8"
    & skf18("6","9","5","4","9","4","1") = "8"
    & skf18("6","9","5","4","9","5","1") = "8"
    & skf18("6","9","5","4","9","6","1") = "8"
    & skf18("6","9","5","4","9","7","1") = "8"
    & skf18("6","9","5","4","9","8","1") = "8"
    & skf18("6","9","5","4","9","9","1") = "8"
    & skf18("6","9","5","4","9","10","1") = "9"
    & skf18("6","9","5","4","10","1","1") = "9"
    & skf18("6","9","5","4","10","2","1") = "9"
    & skf18("6","9","5","4","10","3","1") = "9"
    & skf18("6","9","5","4","10","4","1") = "9"
    & skf18("6","9","5","4","10","5","1") = "9"
    & skf18("6","9","5","4","10","6","1") = "9"
    & skf18("6","9","5","4","10","7","1") = "9"
    & skf18("6","9","5","4","10","8","1") = "9"
    & skf18("6","9","5","4","10","9","1") = "9"
    & skf18("6","9","5","4","10","10","1") = "9"
    & skf18("6","9","5","5","1","1","1") = "8"
    & skf18("6","9","5","5","1","2","1") = "8"
    & skf18("6","9","5","5","1","3","1") = "8"
    & skf18("6","9","5","5","1","4","1") = "8"
    & skf18("6","9","5","5","1","5","1") = "8"
    & skf18("6","9","5","5","1","6","1") = "8"
    & skf18("6","9","5","5","1","7","1") = "8"
    & skf18("6","9","5","5","1","8","1") = "8"
    & skf18("6","9","5","5","1","9","1") = "8"
    & skf18("6","9","5","5","1","10","1") = "9"
    & skf18("6","9","5","5","2","1","1") = "8"
    & skf18("6","9","5","5","2","2","1") = "8"
    & skf18("6","9","5","5","2","3","1") = "8"
    & skf18("6","9","5","5","2","4","1") = "8"
    & skf18("6","9","5","5","2","5","1") = "8"
    & skf18("6","9","5","5","2","6","1") = "8"
    & skf18("6","9","5","5","2","7","1") = "8"
    & skf18("6","9","5","5","2","8","1") = "8"
    & skf18("6","9","5","5","2","9","1") = "8"
    & skf18("6","9","5","5","2","10","1") = "9"
    & skf18("6","9","5","5","3","1","1") = "8"
    & skf18("6","9","5","5","3","2","1") = "8"
    & skf18("6","9","5","5","3","3","1") = "8"
    & skf18("6","9","5","5","3","4","1") = "8"
    & skf18("6","9","5","5","3","5","1") = "8"
    & skf18("6","9","5","5","3","6","1") = "8"
    & skf18("6","9","5","5","3","7","1") = "8"
    & skf18("6","9","5","5","3","8","1") = "8"
    & skf18("6","9","5","5","3","9","1") = "8"
    & skf18("6","9","5","5","3","10","1") = "9"
    & skf18("6","9","5","5","4","1","1") = "8"
    & skf18("6","9","5","5","4","2","1") = "8"
    & skf18("6","9","5","5","4","3","1") = "8"
    & skf18("6","9","5","5","4","4","1") = "8"
    & skf18("6","9","5","5","4","5","1") = "8"
    & skf18("6","9","5","5","4","6","1") = "8"
    & skf18("6","9","5","5","4","7","1") = "8"
    & skf18("6","9","5","5","4","8","1") = "8"
    & skf18("6","9","5","5","4","9","1") = "8"
    & skf18("6","9","5","5","4","10","1") = "9"
    & skf18("6","9","5","5","5","1","1") = "8"
    & skf18("6","9","5","5","5","2","1") = "8"
    & skf18("6","9","5","5","5","3","1") = "8"
    & skf18("6","9","5","5","5","4","1") = "8"
    & skf18("6","9","5","5","5","5","1") = "8"
    & skf18("6","9","5","5","5","6","1") = "8"
    & skf18("6","9","5","5","5","7","1") = "8"
    & skf18("6","9","5","5","5","8","1") = "8"
    & skf18("6","9","5","5","5","9","1") = "8"
    & skf18("6","9","5","5","5","10","1") = "9"
    & skf18("6","9","5","5","6","1","1") = "8"
    & skf18("6","9","5","5","6","2","1") = "8"
    & skf18("6","9","5","5","6","3","1") = "8"
    & skf18("6","9","5","5","6","4","1") = "8"
    & skf18("6","9","5","5","6","5","1") = "8"
    & skf18("6","9","5","5","6","6","1") = "8"
    & skf18("6","9","5","5","6","7","1") = "8"
    & skf18("6","9","5","5","6","8","1") = "8"
    & skf18("6","9","5","5","6","9","1") = "8"
    & skf18("6","9","5","5","6","10","1") = "9"
    & skf18("6","9","5","5","7","1","1") = "8"
    & skf18("6","9","5","5","7","2","1") = "8"
    & skf18("6","9","5","5","7","3","1") = "8"
    & skf18("6","9","5","5","7","4","1") = "8"
    & skf18("6","9","5","5","7","5","1") = "8"
    & skf18("6","9","5","5","7","6","1") = "8"
    & skf18("6","9","5","5","7","7","1") = "8"
    & skf18("6","9","5","5","7","8","1") = "8"
    & skf18("6","9","5","5","7","9","1") = "8"
    & skf18("6","9","5","5","7","10","1") = "9"
    & skf18("6","9","5","5","8","1","1") = "8"
    & skf18("6","9","5","5","8","2","1") = "8"
    & skf18("6","9","5","5","8","3","1") = "8"
    & skf18("6","9","5","5","8","4","1") = "8"
    & skf18("6","9","5","5","8","5","1") = "8"
    & skf18("6","9","5","5","8","6","1") = "8"
    & skf18("6","9","5","5","8","7","1") = "8"
    & skf18("6","9","5","5","8","8","1") = "8"
    & skf18("6","9","5","5","8","9","1") = "8"
    & skf18("6","9","5","5","8","10","1") = "9"
    & skf18("6","9","5","5","9","1","1") = "8"
    & skf18("6","9","5","5","9","2","1") = "8"
    & skf18("6","9","5","5","9","3","1") = "8"
    & skf18("6","9","5","5","9","4","1") = "8"
    & skf18("6","9","5","5","9","5","1") = "8"
    & skf18("6","9","5","5","9","6","1") = "8"
    & skf18("6","9","5","5","9","7","1") = "8"
    & skf18("6","9","5","5","9","8","1") = "8"
    & skf18("6","9","5","5","9","9","1") = "8"
    & skf18("6","9","5","5","9","10","1") = "9"
    & skf18("6","9","5","5","10","1","1") = "9"
    & skf18("6","9","5","5","10","2","1") = "9"
    & skf18("6","9","5","5","10","3","1") = "9"
    & skf18("6","9","5","5","10","4","1") = "9"
    & skf18("6","9","5","5","10","5","1") = "9"
    & skf18("6","9","5","5","10","6","1") = "9"
    & skf18("6","9","5","5","10","7","1") = "9"
    & skf18("6","9","5","5","10","8","1") = "9"
    & skf18("6","9","5","5","10","9","1") = "9"
    & skf18("6","9","5","5","10","10","1") = "9"
    & skf18("6","9","5","6","1","1","1") = "8"
    & skf18("6","9","5","6","1","2","1") = "8"
    & skf18("6","9","5","6","1","3","1") = "8"
    & skf18("6","9","5","6","1","4","1") = "8"
    & skf18("6","9","5","6","1","5","1") = "8"
    & skf18("6","9","5","6","1","6","1") = "8"
    & skf18("6","9","5","6","1","7","1") = "8"
    & skf18("6","9","5","6","1","8","1") = "8"
    & skf18("6","9","5","6","1","9","1") = "8"
    & skf18("6","9","5","6","1","10","1") = "9"
    & skf18("6","9","5","6","2","1","1") = "8"
    & skf18("6","9","5","6","2","2","1") = "8"
    & skf18("6","9","5","6","2","3","1") = "8"
    & skf18("6","9","5","6","2","4","1") = "8"
    & skf18("6","9","5","6","2","5","1") = "8"
    & skf18("6","9","5","6","2","6","1") = "8"
    & skf18("6","9","5","6","2","7","1") = "8"
    & skf18("6","9","5","6","2","8","1") = "8"
    & skf18("6","9","5","6","2","9","1") = "8"
    & skf18("6","9","5","6","2","10","1") = "9"
    & skf18("6","9","5","6","3","1","1") = "8"
    & skf18("6","9","5","6","3","2","1") = "8"
    & skf18("6","9","5","6","3","3","1") = "8"
    & skf18("6","9","5","6","3","4","1") = "8"
    & skf18("6","9","5","6","3","5","1") = "8"
    & skf18("6","9","5","6","3","6","1") = "8"
    & skf18("6","9","5","6","3","7","1") = "8"
    & skf18("6","9","5","6","3","8","1") = "8"
    & skf18("6","9","5","6","3","9","1") = "8"
    & skf18("6","9","5","6","3","10","1") = "9"
    & skf18("6","9","5","6","4","1","1") = "8"
    & skf18("6","9","5","6","4","2","1") = "8"
    & skf18("6","9","5","6","4","3","1") = "8"
    & skf18("6","9","5","6","4","4","1") = "8"
    & skf18("6","9","5","6","4","5","1") = "8"
    & skf18("6","9","5","6","4","6","1") = "8"
    & skf18("6","9","5","6","4","7","1") = "8"
    & skf18("6","9","5","6","4","8","1") = "8"
    & skf18("6","9","5","6","4","9","1") = "8"
    & skf18("6","9","5","6","4","10","1") = "9"
    & skf18("6","9","5","6","5","1","1") = "8"
    & skf18("6","9","5","6","5","2","1") = "8"
    & skf18("6","9","5","6","5","3","1") = "8"
    & skf18("6","9","5","6","5","4","1") = "8"
    & skf18("6","9","5","6","5","5","1") = "8"
    & skf18("6","9","5","6","5","6","1") = "8"
    & skf18("6","9","5","6","5","7","1") = "8"
    & skf18("6","9","5","6","5","8","1") = "8"
    & skf18("6","9","5","6","5","9","1") = "8"
    & skf18("6","9","5","6","5","10","1") = "9"
    & skf18("6","9","5","6","6","1","1") = "8"
    & skf18("6","9","5","6","6","2","1") = "8"
    & skf18("6","9","5","6","6","3","1") = "8"
    & skf18("6","9","5","6","6","4","1") = "8"
    & skf18("6","9","5","6","6","5","1") = "8"
    & skf18("6","9","5","6","6","6","1") = "8"
    & skf18("6","9","5","6","6","7","1") = "8"
    & skf18("6","9","5","6","6","8","1") = "8"
    & skf18("6","9","5","6","6","9","1") = "8"
    & skf18("6","9","5","6","6","10","1") = "9"
    & skf18("6","9","5","6","7","1","1") = "8"
    & skf18("6","9","5","6","7","2","1") = "8"
    & skf18("6","9","5","6","7","3","1") = "8"
    & skf18("6","9","5","6","7","4","1") = "8"
    & skf18("6","9","5","6","7","5","1") = "8"
    & skf18("6","9","5","6","7","6","1") = "8"
    & skf18("6","9","5","6","7","7","1") = "8"
    & skf18("6","9","5","6","7","8","1") = "8"
    & skf18("6","9","5","6","7","9","1") = "8"
    & skf18("6","9","5","6","7","10","1") = "9"
    & skf18("6","9","5","6","8","1","1") = "8"
    & skf18("6","9","5","6","8","2","1") = "8"
    & skf18("6","9","5","6","8","3","1") = "8"
    & skf18("6","9","5","6","8","4","1") = "8"
    & skf18("6","9","5","6","8","5","1") = "8"
    & skf18("6","9","5","6","8","6","1") = "8"
    & skf18("6","9","5","6","8","7","1") = "8"
    & skf18("6","9","5","6","8","8","1") = "8"
    & skf18("6","9","5","6","8","9","1") = "8"
    & skf18("6","9","5","6","8","10","1") = "9"
    & skf18("6","9","5","6","9","1","1") = "8"
    & skf18("6","9","5","6","9","2","1") = "8"
    & skf18("6","9","5","6","9","3","1") = "8"
    & skf18("6","9","5","6","9","4","1") = "8"
    & skf18("6","9","5","6","9","5","1") = "8"
    & skf18("6","9","5","6","9","6","1") = "8"
    & skf18("6","9","5","6","9","7","1") = "8"
    & skf18("6","9","5","6","9","8","1") = "8"
    & skf18("6","9","5","6","9","9","1") = "8"
    & skf18("6","9","5","6","9","10","1") = "9"
    & skf18("6","9","5","6","10","1","1") = "9"
    & skf18("6","9","5","6","10","2","1") = "9"
    & skf18("6","9","5","6","10","3","1") = "9"
    & skf18("6","9","5","6","10","4","1") = "9"
    & skf18("6","9","5","6","10","5","1") = "9"
    & skf18("6","9","5","6","10","6","1") = "9"
    & skf18("6","9","5","6","10","7","1") = "9"
    & skf18("6","9","5","6","10","8","1") = "9"
    & skf18("6","9","5","6","10","9","1") = "9"
    & skf18("6","9","5","6","10","10","1") = "9"
    & skf18("6","9","5","7","1","1","1") = "8"
    & skf18("6","9","5","7","1","2","1") = "8"
    & skf18("6","9","5","7","1","3","1") = "8"
    & skf18("6","9","5","7","1","4","1") = "8"
    & skf18("6","9","5","7","1","5","1") = "8"
    & skf18("6","9","5","7","1","6","1") = "8"
    & skf18("6","9","5","7","1","7","1") = "8"
    & skf18("6","9","5","7","1","8","1") = "8"
    & skf18("6","9","5","7","1","9","1") = "8"
    & skf18("6","9","5","7","1","10","1") = "9"
    & skf18("6","9","5","7","2","1","1") = "8"
    & skf18("6","9","5","7","2","2","1") = "8"
    & skf18("6","9","5","7","2","3","1") = "8"
    & skf18("6","9","5","7","2","4","1") = "8"
    & skf18("6","9","5","7","2","5","1") = "8"
    & skf18("6","9","5","7","2","6","1") = "8"
    & skf18("6","9","5","7","2","7","1") = "8"
    & skf18("6","9","5","7","2","8","1") = "8"
    & skf18("6","9","5","7","2","9","1") = "8"
    & skf18("6","9","5","7","2","10","1") = "9"
    & skf18("6","9","5","7","3","1","1") = "8"
    & skf18("6","9","5","7","3","2","1") = "8"
    & skf18("6","9","5","7","3","3","1") = "8"
    & skf18("6","9","5","7","3","4","1") = "8"
    & skf18("6","9","5","7","3","5","1") = "8"
    & skf18("6","9","5","7","3","6","1") = "8"
    & skf18("6","9","5","7","3","7","1") = "8"
    & skf18("6","9","5","7","3","8","1") = "8"
    & skf18("6","9","5","7","3","9","1") = "8"
    & skf18("6","9","5","7","3","10","1") = "9"
    & skf18("6","9","5","7","4","1","1") = "8"
    & skf18("6","9","5","7","4","2","1") = "8"
    & skf18("6","9","5","7","4","3","1") = "8"
    & skf18("6","9","5","7","4","4","1") = "8"
    & skf18("6","9","5","7","4","5","1") = "8"
    & skf18("6","9","5","7","4","6","1") = "8"
    & skf18("6","9","5","7","4","7","1") = "8"
    & skf18("6","9","5","7","4","8","1") = "8"
    & skf18("6","9","5","7","4","9","1") = "8"
    & skf18("6","9","5","7","4","10","1") = "9"
    & skf18("6","9","5","7","5","1","1") = "8"
    & skf18("6","9","5","7","5","2","1") = "8"
    & skf18("6","9","5","7","5","3","1") = "8"
    & skf18("6","9","5","7","5","4","1") = "8"
    & skf18("6","9","5","7","5","5","1") = "8"
    & skf18("6","9","5","7","5","6","1") = "8"
    & skf18("6","9","5","7","5","7","1") = "8"
    & skf18("6","9","5","7","5","8","1") = "8"
    & skf18("6","9","5","7","5","9","1") = "8"
    & skf18("6","9","5","7","5","10","1") = "9"
    & skf18("6","9","5","7","6","1","1") = "8"
    & skf18("6","9","5","7","6","2","1") = "8"
    & skf18("6","9","5","7","6","3","1") = "8"
    & skf18("6","9","5","7","6","4","1") = "8"
    & skf18("6","9","5","7","6","5","1") = "8"
    & skf18("6","9","5","7","6","6","1") = "8"
    & skf18("6","9","5","7","6","7","1") = "8"
    & skf18("6","9","5","7","6","8","1") = "8"
    & skf18("6","9","5","7","6","9","1") = "8"
    & skf18("6","9","5","7","6","10","1") = "9"
    & skf18("6","9","5","7","7","1","1") = "8"
    & skf18("6","9","5","7","7","2","1") = "8"
    & skf18("6","9","5","7","7","3","1") = "8"
    & skf18("6","9","5","7","7","4","1") = "8"
    & skf18("6","9","5","7","7","5","1") = "8"
    & skf18("6","9","5","7","7","6","1") = "8"
    & skf18("6","9","5","7","7","7","1") = "8"
    & skf18("6","9","5","7","7","8","1") = "8"
    & skf18("6","9","5","7","7","9","1") = "8"
    & skf18("6","9","5","7","7","10","1") = "9"
    & skf18("6","9","5","7","8","1","1") = "8"
    & skf18("6","9","5","7","8","2","1") = "8"
    & skf18("6","9","5","7","8","3","1") = "8"
    & skf18("6","9","5","7","8","4","1") = "8"
    & skf18("6","9","5","7","8","5","1") = "8"
    & skf18("6","9","5","7","8","6","1") = "8"
    & skf18("6","9","5","7","8","7","1") = "8"
    & skf18("6","9","5","7","8","8","1") = "8"
    & skf18("6","9","5","7","8","9","1") = "8"
    & skf18("6","9","5","7","8","10","1") = "9"
    & skf18("6","9","5","7","9","1","1") = "8"
    & skf18("6","9","5","7","9","2","1") = "8"
    & skf18("6","9","5","7","9","3","1") = "8"
    & skf18("6","9","5","7","9","4","1") = "8"
    & skf18("6","9","5","7","9","5","1") = "8"
    & skf18("6","9","5","7","9","6","1") = "8"
    & skf18("6","9","5","7","9","7","1") = "8"
    & skf18("6","9","5","7","9","8","1") = "8"
    & skf18("6","9","5","7","9","9","1") = "8"
    & skf18("6","9","5","7","9","10","1") = "9"
    & skf18("6","9","5","7","10","1","1") = "9"
    & skf18("6","9","5","7","10","2","1") = "9"
    & skf18("6","9","5","7","10","3","1") = "9"
    & skf18("6","9","5","7","10","4","1") = "9"
    & skf18("6","9","5","7","10","5","1") = "9"
    & skf18("6","9","5","7","10","6","1") = "9"
    & skf18("6","9","5","7","10","7","1") = "9"
    & skf18("6","9","5","7","10","8","1") = "9"
    & skf18("6","9","5","7","10","9","1") = "9"
    & skf18("6","9","5","7","10","10","1") = "9"
    & skf18("6","9","5","8","1","1","1") = "8"
    & skf18("6","9","5","8","1","2","1") = "8"
    & skf18("6","9","5","8","1","3","1") = "8"
    & skf18("6","9","5","8","1","4","1") = "8"
    & skf18("6","9","5","8","1","5","1") = "8"
    & skf18("6","9","5","8","1","6","1") = "8"
    & skf18("6","9","5","8","1","7","1") = "8"
    & skf18("6","9","5","8","1","8","1") = "8"
    & skf18("6","9","5","8","1","9","1") = "8"
    & skf18("6","9","5","8","1","10","1") = "9"
    & skf18("6","9","5","8","2","1","1") = "8"
    & skf18("6","9","5","8","2","2","1") = "8"
    & skf18("6","9","5","8","2","3","1") = "8"
    & skf18("6","9","5","8","2","4","1") = "8"
    & skf18("6","9","5","8","2","5","1") = "8"
    & skf18("6","9","5","8","2","6","1") = "8"
    & skf18("6","9","5","8","2","7","1") = "8"
    & skf18("6","9","5","8","2","8","1") = "8"
    & skf18("6","9","5","8","2","9","1") = "8"
    & skf18("6","9","5","8","2","10","1") = "9"
    & skf18("6","9","5","8","3","1","1") = "8"
    & skf18("6","9","5","8","3","2","1") = "8"
    & skf18("6","9","5","8","3","3","1") = "8"
    & skf18("6","9","5","8","3","4","1") = "8"
    & skf18("6","9","5","8","3","5","1") = "8"
    & skf18("6","9","5","8","3","6","1") = "8"
    & skf18("6","9","5","8","3","7","1") = "8"
    & skf18("6","9","5","8","3","8","1") = "8"
    & skf18("6","9","5","8","3","9","1") = "8"
    & skf18("6","9","5","8","3","10","1") = "9"
    & skf18("6","9","5","8","4","1","1") = "8"
    & skf18("6","9","5","8","4","2","1") = "8"
    & skf18("6","9","5","8","4","3","1") = "8"
    & skf18("6","9","5","8","4","4","1") = "8"
    & skf18("6","9","5","8","4","5","1") = "8"
    & skf18("6","9","5","8","4","6","1") = "8"
    & skf18("6","9","5","8","4","7","1") = "8"
    & skf18("6","9","5","8","4","8","1") = "8"
    & skf18("6","9","5","8","4","9","1") = "8"
    & skf18("6","9","5","8","4","10","1") = "9"
    & skf18("6","9","5","8","5","1","1") = "8"
    & skf18("6","9","5","8","5","2","1") = "8"
    & skf18("6","9","5","8","5","3","1") = "8"
    & skf18("6","9","5","8","5","4","1") = "8"
    & skf18("6","9","5","8","5","5","1") = "8"
    & skf18("6","9","5","8","5","6","1") = "8"
    & skf18("6","9","5","8","5","7","1") = "8"
    & skf18("6","9","5","8","5","8","1") = "8"
    & skf18("6","9","5","8","5","9","1") = "8"
    & skf18("6","9","5","8","5","10","1") = "9"
    & skf18("6","9","5","8","6","1","1") = "8"
    & skf18("6","9","5","8","6","2","1") = "8"
    & skf18("6","9","5","8","6","3","1") = "8"
    & skf18("6","9","5","8","6","4","1") = "8"
    & skf18("6","9","5","8","6","5","1") = "8"
    & skf18("6","9","5","8","6","6","1") = "8"
    & skf18("6","9","5","8","6","7","1") = "8"
    & skf18("6","9","5","8","6","8","1") = "8"
    & skf18("6","9","5","8","6","9","1") = "8"
    & skf18("6","9","5","8","6","10","1") = "9"
    & skf18("6","9","5","8","7","1","1") = "8"
    & skf18("6","9","5","8","7","2","1") = "8"
    & skf18("6","9","5","8","7","3","1") = "8"
    & skf18("6","9","5","8","7","4","1") = "8"
    & skf18("6","9","5","8","7","5","1") = "8"
    & skf18("6","9","5","8","7","6","1") = "8"
    & skf18("6","9","5","8","7","7","1") = "8"
    & skf18("6","9","5","8","7","8","1") = "8"
    & skf18("6","9","5","8","7","9","1") = "8"
    & skf18("6","9","5","8","7","10","1") = "9"
    & skf18("6","9","5","8","8","1","1") = "8"
    & skf18("6","9","5","8","8","2","1") = "8"
    & skf18("6","9","5","8","8","3","1") = "8"
    & skf18("6","9","5","8","8","4","1") = "8"
    & skf18("6","9","5","8","8","5","1") = "8"
    & skf18("6","9","5","8","8","6","1") = "8"
    & skf18("6","9","5","8","8","7","1") = "8"
    & skf18("6","9","5","8","8","8","1") = "8"
    & skf18("6","9","5","8","8","9","1") = "8"
    & skf18("6","9","5","8","8","10","1") = "9"
    & skf18("6","9","5","8","9","1","1") = "8"
    & skf18("6","9","5","8","9","2","1") = "8"
    & skf18("6","9","5","8","9","3","1") = "8"
    & skf18("6","9","5","8","9","4","1") = "8"
    & skf18("6","9","5","8","9","5","1") = "8"
    & skf18("6","9","5","8","9","6","1") = "8"
    & skf18("6","9","5","8","9","7","1") = "8"
    & skf18("6","9","5","8","9","8","1") = "8"
    & skf18("6","9","5","8","9","9","1") = "8"
    & skf18("6","9","5","8","9","10","1") = "9"
    & skf18("6","9","5","8","10","1","1") = "9"
    & skf18("6","9","5","8","10","2","1") = "9"
    & skf18("6","9","5","8","10","3","1") = "9"
    & skf18("6","9","5","8","10","4","1") = "9"
    & skf18("6","9","5","8","10","5","1") = "9"
    & skf18("6","9","5","8","10","6","1") = "9"
    & skf18("6","9","5","8","10","7","1") = "9"
    & skf18("6","9","5","8","10","8","1") = "9"
    & skf18("6","9","5","8","10","9","1") = "9"
    & skf18("6","9","5","8","10","10","1") = "9"
    & skf18("6","9","5","9","1","1","1") = "8"
    & skf18("6","9","5","9","1","2","1") = "8"
    & skf18("6","9","5","9","1","3","1") = "8"
    & skf18("6","9","5","9","1","4","1") = "8"
    & skf18("6","9","5","9","1","5","1") = "8"
    & skf18("6","9","5","9","1","6","1") = "8"
    & skf18("6","9","5","9","1","7","1") = "8"
    & skf18("6","9","5","9","1","8","1") = "8"
    & skf18("6","9","5","9","1","9","1") = "8"
    & skf18("6","9","5","9","1","10","1") = "9"
    & skf18("6","9","5","9","2","1","1") = "8"
    & skf18("6","9","5","9","2","2","1") = "8"
    & skf18("6","9","5","9","2","3","1") = "8"
    & skf18("6","9","5","9","2","4","1") = "8"
    & skf18("6","9","5","9","2","5","1") = "8"
    & skf18("6","9","5","9","2","6","1") = "8"
    & skf18("6","9","5","9","2","7","1") = "8"
    & skf18("6","9","5","9","2","8","1") = "8"
    & skf18("6","9","5","9","2","9","1") = "8"
    & skf18("6","9","5","9","2","10","1") = "9"
    & skf18("6","9","5","9","3","1","1") = "8"
    & skf18("6","9","5","9","3","2","1") = "8"
    & skf18("6","9","5","9","3","3","1") = "8"
    & skf18("6","9","5","9","3","4","1") = "8"
    & skf18("6","9","5","9","3","5","1") = "8"
    & skf18("6","9","5","9","3","6","1") = "8"
    & skf18("6","9","5","9","3","7","1") = "8"
    & skf18("6","9","5","9","3","8","1") = "8"
    & skf18("6","9","5","9","3","9","1") = "8"
    & skf18("6","9","5","9","3","10","1") = "9"
    & skf18("6","9","5","9","4","1","1") = "8"
    & skf18("6","9","5","9","4","2","1") = "8"
    & skf18("6","9","5","9","4","3","1") = "8"
    & skf18("6","9","5","9","4","4","1") = "8"
    & skf18("6","9","5","9","4","5","1") = "8"
    & skf18("6","9","5","9","4","6","1") = "8"
    & skf18("6","9","5","9","4","7","1") = "8"
    & skf18("6","9","5","9","4","8","1") = "8"
    & skf18("6","9","5","9","4","9","1") = "8"
    & skf18("6","9","5","9","4","10","1") = "9"
    & skf18("6","9","5","9","5","1","1") = "8"
    & skf18("6","9","5","9","5","2","1") = "8"
    & skf18("6","9","5","9","5","3","1") = "8"
    & skf18("6","9","5","9","5","4","1") = "8"
    & skf18("6","9","5","9","5","5","1") = "8"
    & skf18("6","9","5","9","5","6","1") = "8"
    & skf18("6","9","5","9","5","7","1") = "8"
    & skf18("6","9","5","9","5","8","1") = "8"
    & skf18("6","9","5","9","5","9","1") = "8"
    & skf18("6","9","5","9","5","10","1") = "9"
    & skf18("6","9","5","9","6","1","1") = "8"
    & skf18("6","9","5","9","6","2","1") = "8"
    & skf18("6","9","5","9","6","3","1") = "8"
    & skf18("6","9","5","9","6","4","1") = "8"
    & skf18("6","9","5","9","6","5","1") = "8"
    & skf18("6","9","5","9","6","6","1") = "8"
    & skf18("6","9","5","9","6","7","1") = "8"
    & skf18("6","9","5","9","6","8","1") = "8"
    & skf18("6","9","5","9","6","9","1") = "8"
    & skf18("6","9","5","9","6","10","1") = "9"
    & skf18("6","9","5","9","7","1","1") = "8"
    & skf18("6","9","5","9","7","2","1") = "8"
    & skf18("6","9","5","9","7","3","1") = "8"
    & skf18("6","9","5","9","7","4","1") = "8"
    & skf18("6","9","5","9","7","5","1") = "8"
    & skf18("6","9","5","9","7","6","1") = "8"
    & skf18("6","9","5","9","7","7","1") = "8"
    & skf18("6","9","5","9","7","8","1") = "8"
    & skf18("6","9","5","9","7","9","1") = "8"
    & skf18("6","9","5","9","7","10","1") = "9"
    & skf18("6","9","5","9","8","1","1") = "8"
    & skf18("6","9","5","9","8","2","1") = "8"
    & skf18("6","9","5","9","8","3","1") = "8"
    & skf18("6","9","5","9","8","4","1") = "8"
    & skf18("6","9","5","9","8","5","1") = "8"
    & skf18("6","9","5","9","8","6","1") = "8"
    & skf18("6","9","5","9","8","7","1") = "8"
    & skf18("6","9","5","9","8","8","1") = "8"
    & skf18("6","9","5","9","8","9","1") = "8"
    & skf18("6","9","5","9","8","10","1") = "9"
    & skf18("6","9","5","9","9","1","1") = "8"
    & skf18("6","9","5","9","9","2","1") = "8"
    & skf18("6","9","5","9","9","3","1") = "8"
    & skf18("6","9","5","9","9","4","1") = "8"
    & skf18("6","9","5","9","9","5","1") = "8"
    & skf18("6","9","5","9","9","6","1") = "8"
    & skf18("6","9","5","9","9","7","1") = "8"
    & skf18("6","9","5","9","9","8","1") = "8"
    & skf18("6","9","5","9","9","9","1") = "8"
    & skf18("6","9","5","9","9","10","1") = "9"
    & skf18("6","9","5","9","10","1","1") = "9"
    & skf18("6","9","5","9","10","2","1") = "9"
    & skf18("6","9","5","9","10","3","1") = "9"
    & skf18("6","9","5","9","10","4","1") = "9"
    & skf18("6","9","5","9","10","5","1") = "9"
    & skf18("6","9","5","9","10","6","1") = "9"
    & skf18("6","9","5","9","10","7","1") = "9"
    & skf18("6","9","5","9","10","8","1") = "9"
    & skf18("6","9","5","9","10","9","1") = "9"
    & skf18("6","9","5","9","10","10","1") = "9"
    & skf18("6","9","5","10","1","1","1") = "9"
    & skf18("6","9","5","10","1","2","1") = "9"
    & skf18("6","9","5","10","1","3","1") = "9"
    & skf18("6","9","5","10","1","4","1") = "9"
    & skf18("6","9","5","10","1","5","1") = "9"
    & skf18("6","9","5","10","1","6","1") = "9"
    & skf18("6","9","5","10","1","7","1") = "9"
    & skf18("6","9","5","10","1","8","1") = "9"
    & skf18("6","9","5","10","1","9","1") = "9"
    & skf18("6","9","5","10","1","10","1") = "9"
    & skf18("6","9","5","10","2","1","1") = "9"
    & skf18("6","9","5","10","2","2","1") = "9"
    & skf18("6","9","5","10","2","3","1") = "9"
    & skf18("6","9","5","10","2","4","1") = "9"
    & skf18("6","9","5","10","2","5","1") = "9"
    & skf18("6","9","5","10","2","6","1") = "9"
    & skf18("6","9","5","10","2","7","1") = "9"
    & skf18("6","9","5","10","2","8","1") = "9"
    & skf18("6","9","5","10","2","9","1") = "9"
    & skf18("6","9","5","10","2","10","1") = "9"
    & skf18("6","9","5","10","3","1","1") = "9"
    & skf18("6","9","5","10","3","2","1") = "9"
    & skf18("6","9","5","10","3","3","1") = "9"
    & skf18("6","9","5","10","3","4","1") = "9"
    & skf18("6","9","5","10","3","5","1") = "9"
    & skf18("6","9","5","10","3","6","1") = "9"
    & skf18("6","9","5","10","3","7","1") = "9"
    & skf18("6","9","5","10","3","8","1") = "9"
    & skf18("6","9","5","10","3","9","1") = "9"
    & skf18("6","9","5","10","3","10","1") = "9"
    & skf18("6","9","5","10","4","1","1") = "9"
    & skf18("6","9","5","10","4","2","1") = "9"
    & skf18("6","9","5","10","4","3","1") = "9"
    & skf18("6","9","5","10","4","4","1") = "9"
    & skf18("6","9","5","10","4","5","1") = "9"
    & skf18("6","9","5","10","4","6","1") = "9"
    & skf18("6","9","5","10","4","7","1") = "9"
    & skf18("6","9","5","10","4","8","1") = "9"
    & skf18("6","9","5","10","4","9","1") = "9"
    & skf18("6","9","5","10","4","10","1") = "9"
    & skf18("6","9","5","10","5","1","1") = "9"
    & skf18("6","9","5","10","5","2","1") = "9"
    & skf18("6","9","5","10","5","3","1") = "9"
    & skf18("6","9","5","10","5","4","1") = "9"
    & skf18("6","9","5","10","5","5","1") = "9"
    & skf18("6","9","5","10","5","6","1") = "9"
    & skf18("6","9","5","10","5","7","1") = "9"
    & skf18("6","9","5","10","5","8","1") = "9"
    & skf18("6","9","5","10","5","9","1") = "9"
    & skf18("6","9","5","10","5","10","1") = "9"
    & skf18("6","9","5","10","6","1","1") = "9"
    & skf18("6","9","5","10","6","2","1") = "9"
    & skf18("6","9","5","10","6","3","1") = "9"
    & skf18("6","9","5","10","6","4","1") = "9"
    & skf18("6","9","5","10","6","5","1") = "9"
    & skf18("6","9","5","10","6","6","1") = "9"
    & skf18("6","9","5","10","6","7","1") = "9"
    & skf18("6","9","5","10","6","8","1") = "9"
    & skf18("6","9","5","10","6","9","1") = "9"
    & skf18("6","9","5","10","6","10","1") = "9"
    & skf18("6","9","5","10","7","1","1") = "9"
    & skf18("6","9","5","10","7","2","1") = "9"
    & skf18("6","9","5","10","7","3","1") = "9"
    & skf18("6","9","5","10","7","4","1") = "9"
    & skf18("6","9","5","10","7","5","1") = "9"
    & skf18("6","9","5","10","7","6","1") = "9"
    & skf18("6","9","5","10","7","7","1") = "9"
    & skf18("6","9","5","10","7","8","1") = "9"
    & skf18("6","9","5","10","7","9","1") = "9"
    & skf18("6","9","5","10","7","10","1") = "9"
    & skf18("6","9","5","10","8","1","1") = "9"
    & skf18("6","9","5","10","8","2","1") = "9"
    & skf18("6","9","5","10","8","3","1") = "9"
    & skf18("6","9","5","10","8","4","1") = "9"
    & skf18("6","9","5","10","8","5","1") = "9"
    & skf18("6","9","5","10","8","6","1") = "9"
    & skf18("6","9","5","10","8","7","1") = "9"
    & skf18("6","9","5","10","8","8","1") = "9"
    & skf18("6","9","5","10","8","9","1") = "9"
    & skf18("6","9","5","10","8","10","1") = "9"
    & skf18("6","9","5","10","9","1","1") = "9"
    & skf18("6","9","5","10","9","2","1") = "9"
    & skf18("6","9","5","10","9","3","1") = "9"
    & skf18("6","9","5","10","9","4","1") = "9"
    & skf18("6","9","5","10","9","5","1") = "9"
    & skf18("6","9","5","10","9","6","1") = "9"
    & skf18("6","9","5","10","9","7","1") = "9"
    & skf18("6","9","5","10","9","8","1") = "9"
    & skf18("6","9","5","10","9","9","1") = "9"
    & skf18("6","9","5","10","9","10","1") = "9"
    & skf18("6","9","5","10","10","1","1") = "9"
    & skf18("6","9","5","10","10","2","1") = "9"
    & skf18("6","9","5","10","10","3","1") = "9"
    & skf18("6","9","5","10","10","4","1") = "9"
    & skf18("6","9","5","10","10","5","1") = "9"
    & skf18("6","9","5","10","10","6","1") = "9"
    & skf18("6","9","5","10","10","7","1") = "9"
    & skf18("6","9","5","10","10","8","1") = "9"
    & skf18("6","9","5","10","10","9","1") = "9"
    & skf18("6","9","5","10","10","10","1") = "9"
    & skf18("6","9","6","1","1","1","1") = "8"
    & skf18("6","9","6","1","1","2","1") = "8"
    & skf18("6","9","6","1","1","3","1") = "8"
    & skf18("6","9","6","1","1","4","1") = "8"
    & skf18("6","9","6","1","1","5","1") = "8"
    & skf18("6","9","6","1","1","6","1") = "8"
    & skf18("6","9","6","1","1","7","1") = "8"
    & skf18("6","9","6","1","1","8","1") = "8"
    & skf18("6","9","6","1","1","9","1") = "8"
    & skf18("6","9","6","1","1","10","1") = "9"
    & skf18("6","9","6","1","2","1","1") = "8"
    & skf18("6","9","6","1","2","2","1") = "8"
    & skf18("6","9","6","1","2","3","1") = "8"
    & skf18("6","9","6","1","2","4","1") = "8"
    & skf18("6","9","6","1","2","5","1") = "8"
    & skf18("6","9","6","1","2","6","1") = "8"
    & skf18("6","9","6","1","2","7","1") = "8"
    & skf18("6","9","6","1","2","8","1") = "8"
    & skf18("6","9","6","1","2","9","1") = "8"
    & skf18("6","9","6","1","2","10","1") = "9"
    & skf18("6","9","6","1","3","1","1") = "8"
    & skf18("6","9","6","1","3","2","1") = "8"
    & skf18("6","9","6","1","3","3","1") = "8"
    & skf18("6","9","6","1","3","4","1") = "8"
    & skf18("6","9","6","1","3","5","1") = "8"
    & skf18("6","9","6","1","3","6","1") = "8"
    & skf18("6","9","6","1","3","7","1") = "8"
    & skf18("6","9","6","1","3","8","1") = "8"
    & skf18("6","9","6","1","3","9","1") = "8"
    & skf18("6","9","6","1","3","10","1") = "9"
    & skf18("6","9","6","1","4","1","1") = "8"
    & skf18("6","9","6","1","4","2","1") = "8"
    & skf18("6","9","6","1","4","3","1") = "8"
    & skf18("6","9","6","1","4","4","1") = "8"
    & skf18("6","9","6","1","4","5","1") = "8"
    & skf18("6","9","6","1","4","6","1") = "8"
    & skf18("6","9","6","1","4","7","1") = "8"
    & skf18("6","9","6","1","4","8","1") = "8"
    & skf18("6","9","6","1","4","9","1") = "8"
    & skf18("6","9","6","1","4","10","1") = "9"
    & skf18("6","9","6","1","5","1","1") = "8"
    & skf18("6","9","6","1","5","2","1") = "8"
    & skf18("6","9","6","1","5","3","1") = "8"
    & skf18("6","9","6","1","5","4","1") = "8"
    & skf18("6","9","6","1","5","5","1") = "8"
    & skf18("6","9","6","1","5","6","1") = "8"
    & skf18("6","9","6","1","5","7","1") = "8"
    & skf18("6","9","6","1","5","8","1") = "8"
    & skf18("6","9","6","1","5","9","1") = "8"
    & skf18("6","9","6","1","5","10","1") = "9"
    & skf18("6","9","6","1","6","1","1") = "8"
    & skf18("6","9","6","1","6","2","1") = "8"
    & skf18("6","9","6","1","6","3","1") = "8"
    & skf18("6","9","6","1","6","4","1") = "8"
    & skf18("6","9","6","1","6","5","1") = "8"
    & skf18("6","9","6","1","6","6","1") = "8"
    & skf18("6","9","6","1","6","7","1") = "8"
    & skf18("6","9","6","1","6","8","1") = "8"
    & skf18("6","9","6","1","6","9","1") = "8"
    & skf18("6","9","6","1","6","10","1") = "9"
    & skf18("6","9","6","1","7","1","1") = "8"
    & skf18("6","9","6","1","7","2","1") = "8"
    & skf18("6","9","6","1","7","3","1") = "8"
    & skf18("6","9","6","1","7","4","1") = "8"
    & skf18("6","9","6","1","7","5","1") = "8"
    & skf18("6","9","6","1","7","6","1") = "8"
    & skf18("6","9","6","1","7","7","1") = "8"
    & skf18("6","9","6","1","7","8","1") = "8"
    & skf18("6","9","6","1","7","9","1") = "8"
    & skf18("6","9","6","1","7","10","1") = "9"
    & skf18("6","9","6","1","8","1","1") = "8"
    & skf18("6","9","6","1","8","2","1") = "8"
    & skf18("6","9","6","1","8","3","1") = "8"
    & skf18("6","9","6","1","8","4","1") = "8"
    & skf18("6","9","6","1","8","5","1") = "8"
    & skf18("6","9","6","1","8","6","1") = "8"
    & skf18("6","9","6","1","8","7","1") = "8"
    & skf18("6","9","6","1","8","8","1") = "8"
    & skf18("6","9","6","1","8","9","1") = "8"
    & skf18("6","9","6","1","8","10","1") = "9"
    & skf18("6","9","6","1","9","1","1") = "8"
    & skf18("6","9","6","1","9","2","1") = "8"
    & skf18("6","9","6","1","9","3","1") = "8"
    & skf18("6","9","6","1","9","4","1") = "8"
    & skf18("6","9","6","1","9","5","1") = "8"
    & skf18("6","9","6","1","9","6","1") = "8"
    & skf18("6","9","6","1","9","7","1") = "8"
    & skf18("6","9","6","1","9","8","1") = "8"
    & skf18("6","9","6","1","9","9","1") = "8"
    & skf18("6","9","6","1","9","10","1") = "9"
    & skf18("6","9","6","1","10","1","1") = "9"
    & skf18("6","9","6","1","10","2","1") = "9"
    & skf18("6","9","6","1","10","3","1") = "9"
    & skf18("6","9","6","1","10","4","1") = "9"
    & skf18("6","9","6","1","10","5","1") = "9"
    & skf18("6","9","6","1","10","6","1") = "9"
    & skf18("6","9","6","1","10","7","1") = "9"
    & skf18("6","9","6","1","10","8","1") = "9"
    & skf18("6","9","6","1","10","9","1") = "9"
    & skf18("6","9","6","1","10","10","1") = "9"
    & skf18("6","9","6","2","1","1","1") = "8"
    & skf18("6","9","6","2","1","2","1") = "8"
    & skf18("6","9","6","2","1","3","1") = "8"
    & skf18("6","9","6","2","1","4","1") = "8"
    & skf18("6","9","6","2","1","5","1") = "8"
    & skf18("6","9","6","2","1","6","1") = "8"
    & skf18("6","9","6","2","1","7","1") = "8"
    & skf18("6","9","6","2","1","8","1") = "8"
    & skf18("6","9","6","2","1","9","1") = "8"
    & skf18("6","9","6","2","1","10","1") = "9"
    & skf18("6","9","6","2","2","1","1") = "8"
    & skf18("6","9","6","2","2","2","1") = "8"
    & skf18("6","9","6","2","2","3","1") = "8"
    & skf18("6","9","6","2","2","4","1") = "8"
    & skf18("6","9","6","2","2","5","1") = "8"
    & skf18("6","9","6","2","2","6","1") = "8"
    & skf18("6","9","6","2","2","7","1") = "8"
    & skf18("6","9","6","2","2","8","1") = "8"
    & skf18("6","9","6","2","2","9","1") = "8"
    & skf18("6","9","6","2","2","10","1") = "9"
    & skf18("6","9","6","2","3","1","1") = "8"
    & skf18("6","9","6","2","3","2","1") = "8"
    & skf18("6","9","6","2","3","3","1") = "8"
    & skf18("6","9","6","2","3","4","1") = "8"
    & skf18("6","9","6","2","3","5","1") = "8"
    & skf18("6","9","6","2","3","6","1") = "8"
    & skf18("6","9","6","2","3","7","1") = "8"
    & skf18("6","9","6","2","3","8","1") = "8"
    & skf18("6","9","6","2","3","9","1") = "8"
    & skf18("6","9","6","2","3","10","1") = "9"
    & skf18("6","9","6","2","4","1","1") = "8"
    & skf18("6","9","6","2","4","2","1") = "8"
    & skf18("6","9","6","2","4","3","1") = "8"
    & skf18("6","9","6","2","4","4","1") = "8"
    & skf18("6","9","6","2","4","5","1") = "8"
    & skf18("6","9","6","2","4","6","1") = "8"
    & skf18("6","9","6","2","4","7","1") = "8"
    & skf18("6","9","6","2","4","8","1") = "8"
    & skf18("6","9","6","2","4","9","1") = "8"
    & skf18("6","9","6","2","4","10","1") = "9"
    & skf18("6","9","6","2","5","1","1") = "8"
    & skf18("6","9","6","2","5","2","1") = "8"
    & skf18("6","9","6","2","5","3","1") = "8"
    & skf18("6","9","6","2","5","4","1") = "8"
    & skf18("6","9","6","2","5","5","1") = "8"
    & skf18("6","9","6","2","5","6","1") = "8"
    & skf18("6","9","6","2","5","7","1") = "8"
    & skf18("6","9","6","2","5","8","1") = "8"
    & skf18("6","9","6","2","5","9","1") = "8"
    & skf18("6","9","6","2","5","10","1") = "9"
    & skf18("6","9","6","2","6","1","1") = "8"
    & skf18("6","9","6","2","6","2","1") = "8"
    & skf18("6","9","6","2","6","3","1") = "8"
    & skf18("6","9","6","2","6","4","1") = "8"
    & skf18("6","9","6","2","6","5","1") = "8"
    & skf18("6","9","6","2","6","6","1") = "8"
    & skf18("6","9","6","2","6","7","1") = "8"
    & skf18("6","9","6","2","6","8","1") = "8"
    & skf18("6","9","6","2","6","9","1") = "8"
    & skf18("6","9","6","2","6","10","1") = "9"
    & skf18("6","9","6","2","7","1","1") = "8"
    & skf18("6","9","6","2","7","2","1") = "8"
    & skf18("6","9","6","2","7","3","1") = "8"
    & skf18("6","9","6","2","7","4","1") = "8"
    & skf18("6","9","6","2","7","5","1") = "8"
    & skf18("6","9","6","2","7","6","1") = "8"
    & skf18("6","9","6","2","7","7","1") = "8"
    & skf18("6","9","6","2","7","8","1") = "8"
    & skf18("6","9","6","2","7","9","1") = "8"
    & skf18("6","9","6","2","7","10","1") = "9"
    & skf18("6","9","6","2","8","1","1") = "8"
    & skf18("6","9","6","2","8","2","1") = "8"
    & skf18("6","9","6","2","8","3","1") = "8"
    & skf18("6","9","6","2","8","4","1") = "8"
    & skf18("6","9","6","2","8","5","1") = "8"
    & skf18("6","9","6","2","8","6","1") = "8"
    & skf18("6","9","6","2","8","7","1") = "8"
    & skf18("6","9","6","2","8","8","1") = "8"
    & skf18("6","9","6","2","8","9","1") = "8"
    & skf18("6","9","6","2","8","10","1") = "9"
    & skf18("6","9","6","2","9","1","1") = "8"
    & skf18("6","9","6","2","9","2","1") = "8"
    & skf18("6","9","6","2","9","3","1") = "8"
    & skf18("6","9","6","2","9","4","1") = "8"
    & skf18("6","9","6","2","9","5","1") = "8"
    & skf18("6","9","6","2","9","6","1") = "8"
    & skf18("6","9","6","2","9","7","1") = "8"
    & skf18("6","9","6","2","9","8","1") = "8"
    & skf18("6","9","6","2","9","9","1") = "8"
    & skf18("6","9","6","2","9","10","1") = "9"
    & skf18("6","9","6","2","10","1","1") = "9"
    & skf18("6","9","6","2","10","2","1") = "9"
    & skf18("6","9","6","2","10","3","1") = "9"
    & skf18("6","9","6","2","10","4","1") = "9"
    & skf18("6","9","6","2","10","5","1") = "9"
    & skf18("6","9","6","2","10","6","1") = "9"
    & skf18("6","9","6","2","10","7","1") = "9"
    & skf18("6","9","6","2","10","8","1") = "9"
    & skf18("6","9","6","2","10","9","1") = "9"
    & skf18("6","9","6","2","10","10","1") = "9"
    & skf18("6","9","6","3","1","1","1") = "8"
    & skf18("6","9","6","3","1","2","1") = "8"
    & skf18("6","9","6","3","1","3","1") = "8"
    & skf18("6","9","6","3","1","4","1") = "8"
    & skf18("6","9","6","3","1","5","1") = "8"
    & skf18("6","9","6","3","1","6","1") = "8"
    & skf18("6","9","6","3","1","7","1") = "8"
    & skf18("6","9","6","3","1","8","1") = "8"
    & skf18("6","9","6","3","1","9","1") = "8"
    & skf18("6","9","6","3","1","10","1") = "9"
    & skf18("6","9","6","3","2","1","1") = "8"
    & skf18("6","9","6","3","2","2","1") = "8"
    & skf18("6","9","6","3","2","3","1") = "8"
    & skf18("6","9","6","3","2","4","1") = "8"
    & skf18("6","9","6","3","2","5","1") = "8"
    & skf18("6","9","6","3","2","6","1") = "8"
    & skf18("6","9","6","3","2","7","1") = "8"
    & skf18("6","9","6","3","2","8","1") = "8"
    & skf18("6","9","6","3","2","9","1") = "8"
    & skf18("6","9","6","3","2","10","1") = "9"
    & skf18("6","9","6","3","3","1","1") = "8"
    & skf18("6","9","6","3","3","2","1") = "8"
    & skf18("6","9","6","3","3","3","1") = "8"
    & skf18("6","9","6","3","3","4","1") = "8"
    & skf18("6","9","6","3","3","5","1") = "8"
    & skf18("6","9","6","3","3","6","1") = "8"
    & skf18("6","9","6","3","3","7","1") = "8"
    & skf18("6","9","6","3","3","8","1") = "8"
    & skf18("6","9","6","3","3","9","1") = "8"
    & skf18("6","9","6","3","3","10","1") = "9"
    & skf18("6","9","6","3","4","1","1") = "8"
    & skf18("6","9","6","3","4","2","1") = "8"
    & skf18("6","9","6","3","4","3","1") = "8"
    & skf18("6","9","6","3","4","4","1") = "8"
    & skf18("6","9","6","3","4","5","1") = "8"
    & skf18("6","9","6","3","4","6","1") = "8"
    & skf18("6","9","6","3","4","7","1") = "8"
    & skf18("6","9","6","3","4","8","1") = "8"
    & skf18("6","9","6","3","4","9","1") = "8"
    & skf18("6","9","6","3","4","10","1") = "9"
    & skf18("6","9","6","3","5","1","1") = "8"
    & skf18("6","9","6","3","5","2","1") = "8"
    & skf18("6","9","6","3","5","3","1") = "8"
    & skf18("6","9","6","3","5","4","1") = "8"
    & skf18("6","9","6","3","5","5","1") = "8"
    & skf18("6","9","6","3","5","6","1") = "8"
    & skf18("6","9","6","3","5","7","1") = "8"
    & skf18("6","9","6","3","5","8","1") = "8"
    & skf18("6","9","6","3","5","9","1") = "8"
    & skf18("6","9","6","3","5","10","1") = "9"
    & skf18("6","9","6","3","6","1","1") = "8"
    & skf18("6","9","6","3","6","2","1") = "8"
    & skf18("6","9","6","3","6","3","1") = "8"
    & skf18("6","9","6","3","6","4","1") = "8"
    & skf18("6","9","6","3","6","5","1") = "8"
    & skf18("6","9","6","3","6","6","1") = "8"
    & skf18("6","9","6","3","6","7","1") = "8"
    & skf18("6","9","6","3","6","8","1") = "8"
    & skf18("6","9","6","3","6","9","1") = "8"
    & skf18("6","9","6","3","6","10","1") = "9"
    & skf18("6","9","6","3","7","1","1") = "8"
    & skf18("6","9","6","3","7","2","1") = "8"
    & skf18("6","9","6","3","7","3","1") = "8"
    & skf18("6","9","6","3","7","4","1") = "8"
    & skf18("6","9","6","3","7","5","1") = "8"
    & skf18("6","9","6","3","7","6","1") = "8"
    & skf18("6","9","6","3","7","7","1") = "8"
    & skf18("6","9","6","3","7","8","1") = "8"
    & skf18("6","9","6","3","7","9","1") = "8"
    & skf18("6","9","6","3","7","10","1") = "9"
    & skf18("6","9","6","3","8","1","1") = "8"
    & skf18("6","9","6","3","8","2","1") = "8"
    & skf18("6","9","6","3","8","3","1") = "8"
    & skf18("6","9","6","3","8","4","1") = "8"
    & skf18("6","9","6","3","8","5","1") = "8"
    & skf18("6","9","6","3","8","6","1") = "8"
    & skf18("6","9","6","3","8","7","1") = "8"
    & skf18("6","9","6","3","8","8","1") = "8"
    & skf18("6","9","6","3","8","9","1") = "8"
    & skf18("6","9","6","3","8","10","1") = "9"
    & skf18("6","9","6","3","9","1","1") = "8"
    & skf18("6","9","6","3","9","2","1") = "8"
    & skf18("6","9","6","3","9","3","1") = "8"
    & skf18("6","9","6","3","9","4","1") = "8"
    & skf18("6","9","6","3","9","5","1") = "8"
    & skf18("6","9","6","3","9","6","1") = "8"
    & skf18("6","9","6","3","9","7","1") = "8"
    & skf18("6","9","6","3","9","8","1") = "8"
    & skf18("6","9","6","3","9","9","1") = "8"
    & skf18("6","9","6","3","9","10","1") = "9"
    & skf18("6","9","6","3","10","1","1") = "9"
    & skf18("6","9","6","3","10","2","1") = "9"
    & skf18("6","9","6","3","10","3","1") = "9"
    & skf18("6","9","6","3","10","4","1") = "9"
    & skf18("6","9","6","3","10","5","1") = "9"
    & skf18("6","9","6","3","10","6","1") = "9"
    & skf18("6","9","6","3","10","7","1") = "9"
    & skf18("6","9","6","3","10","8","1") = "9"
    & skf18("6","9","6","3","10","9","1") = "9"
    & skf18("6","9","6","3","10","10","1") = "9"
    & skf18("6","9","6","4","1","1","1") = "8"
    & skf18("6","9","6","4","1","2","1") = "8"
    & skf18("6","9","6","4","1","3","1") = "8"
    & skf18("6","9","6","4","1","4","1") = "8"
    & skf18("6","9","6","4","1","5","1") = "8"
    & skf18("6","9","6","4","1","6","1") = "8"
    & skf18("6","9","6","4","1","7","1") = "8"
    & skf18("6","9","6","4","1","8","1") = "8"
    & skf18("6","9","6","4","1","9","1") = "8"
    & skf18("6","9","6","4","1","10","1") = "9"
    & skf18("6","9","6","4","2","1","1") = "8"
    & skf18("6","9","6","4","2","2","1") = "8"
    & skf18("6","9","6","4","2","3","1") = "8"
    & skf18("6","9","6","4","2","4","1") = "8"
    & skf18("6","9","6","4","2","5","1") = "8"
    & skf18("6","9","6","4","2","6","1") = "8"
    & skf18("6","9","6","4","2","7","1") = "8"
    & skf18("6","9","6","4","2","8","1") = "8"
    & skf18("6","9","6","4","2","9","1") = "8"
    & skf18("6","9","6","4","2","10","1") = "9"
    & skf18("6","9","6","4","3","1","1") = "8"
    & skf18("6","9","6","4","3","2","1") = "8"
    & skf18("6","9","6","4","3","3","1") = "8"
    & skf18("6","9","6","4","3","4","1") = "8"
    & skf18("6","9","6","4","3","5","1") = "8"
    & skf18("6","9","6","4","3","6","1") = "8"
    & skf18("6","9","6","4","3","7","1") = "8"
    & skf18("6","9","6","4","3","8","1") = "8"
    & skf18("6","9","6","4","3","9","1") = "8"
    & skf18("6","9","6","4","3","10","1") = "9"
    & skf18("6","9","6","4","4","1","1") = "8"
    & skf18("6","9","6","4","4","2","1") = "8"
    & skf18("6","9","6","4","4","3","1") = "8"
    & skf18("6","9","6","4","4","4","1") = "8"
    & skf18("6","9","6","4","4","5","1") = "8"
    & skf18("6","9","6","4","4","6","1") = "8"
    & skf18("6","9","6","4","4","7","1") = "8"
    & skf18("6","9","6","4","4","8","1") = "8"
    & skf18("6","9","6","4","4","9","1") = "8"
    & skf18("6","9","6","4","4","10","1") = "9"
    & skf18("6","9","6","4","5","1","1") = "8"
    & skf18("6","9","6","4","5","2","1") = "8"
    & skf18("6","9","6","4","5","3","1") = "8"
    & skf18("6","9","6","4","5","4","1") = "8"
    & skf18("6","9","6","4","5","5","1") = "8"
    & skf18("6","9","6","4","5","6","1") = "8"
    & skf18("6","9","6","4","5","7","1") = "8"
    & skf18("6","9","6","4","5","8","1") = "8"
    & skf18("6","9","6","4","5","9","1") = "8"
    & skf18("6","9","6","4","5","10","1") = "9"
    & skf18("6","9","6","4","6","1","1") = "8"
    & skf18("6","9","6","4","6","2","1") = "8"
    & skf18("6","9","6","4","6","3","1") = "8"
    & skf18("6","9","6","4","6","4","1") = "8"
    & skf18("6","9","6","4","6","5","1") = "8"
    & skf18("6","9","6","4","6","6","1") = "8"
    & skf18("6","9","6","4","6","7","1") = "8"
    & skf18("6","9","6","4","6","8","1") = "8"
    & skf18("6","9","6","4","6","9","1") = "8"
    & skf18("6","9","6","4","6","10","1") = "9"
    & skf18("6","9","6","4","7","1","1") = "8"
    & skf18("6","9","6","4","7","2","1") = "8"
    & skf18("6","9","6","4","7","3","1") = "8"
    & skf18("6","9","6","4","7","4","1") = "8"
    & skf18("6","9","6","4","7","5","1") = "8"
    & skf18("6","9","6","4","7","6","1") = "8"
    & skf18("6","9","6","4","7","7","1") = "8"
    & skf18("6","9","6","4","7","8","1") = "8"
    & skf18("6","9","6","4","7","9","1") = "8"
    & skf18("6","9","6","4","7","10","1") = "9"
    & skf18("6","9","6","4","8","1","1") = "8"
    & skf18("6","9","6","4","8","2","1") = "8"
    & skf18("6","9","6","4","8","3","1") = "8"
    & skf18("6","9","6","4","8","4","1") = "8"
    & skf18("6","9","6","4","8","5","1") = "8"
    & skf18("6","9","6","4","8","6","1") = "8"
    & skf18("6","9","6","4","8","7","1") = "8"
    & skf18("6","9","6","4","8","8","1") = "8"
    & skf18("6","9","6","4","8","9","1") = "8"
    & skf18("6","9","6","4","8","10","1") = "9"
    & skf18("6","9","6","4","9","1","1") = "8"
    & skf18("6","9","6","4","9","2","1") = "8"
    & skf18("6","9","6","4","9","3","1") = "8"
    & skf18("6","9","6","4","9","4","1") = "8"
    & skf18("6","9","6","4","9","5","1") = "8"
    & skf18("6","9","6","4","9","6","1") = "8"
    & skf18("6","9","6","4","9","7","1") = "8"
    & skf18("6","9","6","4","9","8","1") = "8"
    & skf18("6","9","6","4","9","9","1") = "8"
    & skf18("6","9","6","4","9","10","1") = "9"
    & skf18("6","9","6","4","10","1","1") = "9"
    & skf18("6","9","6","4","10","2","1") = "9"
    & skf18("6","9","6","4","10","3","1") = "9"
    & skf18("6","9","6","4","10","4","1") = "9"
    & skf18("6","9","6","4","10","5","1") = "9"
    & skf18("6","9","6","4","10","6","1") = "9"
    & skf18("6","9","6","4","10","7","1") = "9"
    & skf18("6","9","6","4","10","8","1") = "9"
    & skf18("6","9","6","4","10","9","1") = "9"
    & skf18("6","9","6","4","10","10","1") = "9"
    & skf18("6","9","6","5","1","1","1") = "8"
    & skf18("6","9","6","5","1","2","1") = "8"
    & skf18("6","9","6","5","1","3","1") = "8"
    & skf18("6","9","6","5","1","4","1") = "8"
    & skf18("6","9","6","5","1","5","1") = "8"
    & skf18("6","9","6","5","1","6","1") = "8"
    & skf18("6","9","6","5","1","7","1") = "8"
    & skf18("6","9","6","5","1","8","1") = "8"
    & skf18("6","9","6","5","1","9","1") = "8"
    & skf18("6","9","6","5","1","10","1") = "9"
    & skf18("6","9","6","5","2","1","1") = "8"
    & skf18("6","9","6","5","2","2","1") = "8"
    & skf18("6","9","6","5","2","3","1") = "8"
    & skf18("6","9","6","5","2","4","1") = "8"
    & skf18("6","9","6","5","2","5","1") = "8"
    & skf18("6","9","6","5","2","6","1") = "8"
    & skf18("6","9","6","5","2","7","1") = "8"
    & skf18("6","9","6","5","2","8","1") = "8"
    & skf18("6","9","6","5","2","9","1") = "8"
    & skf18("6","9","6","5","2","10","1") = "9"
    & skf18("6","9","6","5","3","1","1") = "8"
    & skf18("6","9","6","5","3","2","1") = "8"
    & skf18("6","9","6","5","3","3","1") = "8"
    & skf18("6","9","6","5","3","4","1") = "8"
    & skf18("6","9","6","5","3","5","1") = "8"
    & skf18("6","9","6","5","3","6","1") = "8"
    & skf18("6","9","6","5","3","7","1") = "8"
    & skf18("6","9","6","5","3","8","1") = "8"
    & skf18("6","9","6","5","3","9","1") = "8"
    & skf18("6","9","6","5","3","10","1") = "9"
    & skf18("6","9","6","5","4","1","1") = "8"
    & skf18("6","9","6","5","4","2","1") = "8"
    & skf18("6","9","6","5","4","3","1") = "8"
    & skf18("6","9","6","5","4","4","1") = "8"
    & skf18("6","9","6","5","4","5","1") = "8"
    & skf18("6","9","6","5","4","6","1") = "8"
    & skf18("6","9","6","5","4","7","1") = "8"
    & skf18("6","9","6","5","4","8","1") = "8"
    & skf18("6","9","6","5","4","9","1") = "8"
    & skf18("6","9","6","5","4","10","1") = "9"
    & skf18("6","9","6","5","5","1","1") = "8"
    & skf18("6","9","6","5","5","2","1") = "8"
    & skf18("6","9","6","5","5","3","1") = "8"
    & skf18("6","9","6","5","5","4","1") = "8"
    & skf18("6","9","6","5","5","5","1") = "8"
    & skf18("6","9","6","5","5","6","1") = "8"
    & skf18("6","9","6","5","5","7","1") = "8"
    & skf18("6","9","6","5","5","8","1") = "8"
    & skf18("6","9","6","5","5","9","1") = "8"
    & skf18("6","9","6","5","5","10","1") = "9"
    & skf18("6","9","6","5","6","1","1") = "8"
    & skf18("6","9","6","5","6","2","1") = "8"
    & skf18("6","9","6","5","6","3","1") = "8"
    & skf18("6","9","6","5","6","4","1") = "8"
    & skf18("6","9","6","5","6","5","1") = "8"
    & skf18("6","9","6","5","6","6","1") = "8"
    & skf18("6","9","6","5","6","7","1") = "8"
    & skf18("6","9","6","5","6","8","1") = "8"
    & skf18("6","9","6","5","6","9","1") = "8"
    & skf18("6","9","6","5","6","10","1") = "9"
    & skf18("6","9","6","5","7","1","1") = "8"
    & skf18("6","9","6","5","7","2","1") = "8"
    & skf18("6","9","6","5","7","3","1") = "8"
    & skf18("6","9","6","5","7","4","1") = "8"
    & skf18("6","9","6","5","7","5","1") = "8"
    & skf18("6","9","6","5","7","6","1") = "8"
    & skf18("6","9","6","5","7","7","1") = "8"
    & skf18("6","9","6","5","7","8","1") = "8"
    & skf18("6","9","6","5","7","9","1") = "8"
    & skf18("6","9","6","5","7","10","1") = "9"
    & skf18("6","9","6","5","8","1","1") = "8"
    & skf18("6","9","6","5","8","2","1") = "8"
    & skf18("6","9","6","5","8","3","1") = "8"
    & skf18("6","9","6","5","8","4","1") = "8"
    & skf18("6","9","6","5","8","5","1") = "8"
    & skf18("6","9","6","5","8","6","1") = "8"
    & skf18("6","9","6","5","8","7","1") = "8"
    & skf18("6","9","6","5","8","8","1") = "8"
    & skf18("6","9","6","5","8","9","1") = "8"
    & skf18("6","9","6","5","8","10","1") = "9"
    & skf18("6","9","6","5","9","1","1") = "8"
    & skf18("6","9","6","5","9","2","1") = "8"
    & skf18("6","9","6","5","9","3","1") = "8"
    & skf18("6","9","6","5","9","4","1") = "8"
    & skf18("6","9","6","5","9","5","1") = "8"
    & skf18("6","9","6","5","9","6","1") = "8"
    & skf18("6","9","6","5","9","7","1") = "8"
    & skf18("6","9","6","5","9","8","1") = "8"
    & skf18("6","9","6","5","9","9","1") = "8"
    & skf18("6","9","6","5","9","10","1") = "9"
    & skf18("6","9","6","5","10","1","1") = "9"
    & skf18("6","9","6","5","10","2","1") = "9"
    & skf18("6","9","6","5","10","3","1") = "9"
    & skf18("6","9","6","5","10","4","1") = "9"
    & skf18("6","9","6","5","10","5","1") = "9"
    & skf18("6","9","6","5","10","6","1") = "9"
    & skf18("6","9","6","5","10","7","1") = "9"
    & skf18("6","9","6","5","10","8","1") = "9"
    & skf18("6","9","6","5","10","9","1") = "9"
    & skf18("6","9","6","5","10","10","1") = "9"
    & skf18("6","9","6","6","1","1","1") = "8"
    & skf18("6","9","6","6","1","2","1") = "8"
    & skf18("6","9","6","6","1","3","1") = "8"
    & skf18("6","9","6","6","1","4","1") = "8"
    & skf18("6","9","6","6","1","5","1") = "8"
    & skf18("6","9","6","6","1","6","1") = "8"
    & skf18("6","9","6","6","1","7","1") = "8"
    & skf18("6","9","6","6","1","8","1") = "8"
    & skf18("6","9","6","6","1","9","1") = "8"
    & skf18("6","9","6","6","1","10","1") = "9"
    & skf18("6","9","6","6","2","1","1") = "8"
    & skf18("6","9","6","6","2","2","1") = "8"
    & skf18("6","9","6","6","2","3","1") = "8"
    & skf18("6","9","6","6","2","4","1") = "8"
    & skf18("6","9","6","6","2","5","1") = "8"
    & skf18("6","9","6","6","2","6","1") = "8"
    & skf18("6","9","6","6","2","7","1") = "8"
    & skf18("6","9","6","6","2","8","1") = "8"
    & skf18("6","9","6","6","2","9","1") = "8"
    & skf18("6","9","6","6","2","10","1") = "9"
    & skf18("6","9","6","6","3","1","1") = "8"
    & skf18("6","9","6","6","3","2","1") = "8"
    & skf18("6","9","6","6","3","3","1") = "8"
    & skf18("6","9","6","6","3","4","1") = "8"
    & skf18("6","9","6","6","3","5","1") = "8"
    & skf18("6","9","6","6","3","6","1") = "8"
    & skf18("6","9","6","6","3","7","1") = "8"
    & skf18("6","9","6","6","3","8","1") = "8"
    & skf18("6","9","6","6","3","9","1") = "8"
    & skf18("6","9","6","6","3","10","1") = "9"
    & skf18("6","9","6","6","4","1","1") = "8"
    & skf18("6","9","6","6","4","2","1") = "8"
    & skf18("6","9","6","6","4","3","1") = "8"
    & skf18("6","9","6","6","4","4","1") = "8"
    & skf18("6","9","6","6","4","5","1") = "8"
    & skf18("6","9","6","6","4","6","1") = "8"
    & skf18("6","9","6","6","4","7","1") = "8"
    & skf18("6","9","6","6","4","8","1") = "8"
    & skf18("6","9","6","6","4","9","1") = "8"
    & skf18("6","9","6","6","4","10","1") = "9"
    & skf18("6","9","6","6","5","1","1") = "8"
    & skf18("6","9","6","6","5","2","1") = "8"
    & skf18("6","9","6","6","5","3","1") = "8"
    & skf18("6","9","6","6","5","4","1") = "8"
    & skf18("6","9","6","6","5","5","1") = "8"
    & skf18("6","9","6","6","5","6","1") = "8"
    & skf18("6","9","6","6","5","7","1") = "8"
    & skf18("6","9","6","6","5","8","1") = "8"
    & skf18("6","9","6","6","5","9","1") = "8"
    & skf18("6","9","6","6","5","10","1") = "9"
    & skf18("6","9","6","6","6","1","1") = "8"
    & skf18("6","9","6","6","6","2","1") = "8"
    & skf18("6","9","6","6","6","3","1") = "8"
    & skf18("6","9","6","6","6","4","1") = "8"
    & skf18("6","9","6","6","6","5","1") = "8"
    & skf18("6","9","6","6","6","6","1") = "8"
    & skf18("6","9","6","6","6","7","1") = "8"
    & skf18("6","9","6","6","6","8","1") = "8"
    & skf18("6","9","6","6","6","9","1") = "8"
    & skf18("6","9","6","6","6","10","1") = "9"
    & skf18("6","9","6","6","7","1","1") = "8"
    & skf18("6","9","6","6","7","2","1") = "8"
    & skf18("6","9","6","6","7","3","1") = "8"
    & skf18("6","9","6","6","7","4","1") = "8"
    & skf18("6","9","6","6","7","5","1") = "8"
    & skf18("6","9","6","6","7","6","1") = "8"
    & skf18("6","9","6","6","7","7","1") = "8"
    & skf18("6","9","6","6","7","8","1") = "8"
    & skf18("6","9","6","6","7","9","1") = "8"
    & skf18("6","9","6","6","7","10","1") = "9"
    & skf18("6","9","6","6","8","1","1") = "8"
    & skf18("6","9","6","6","8","2","1") = "8"
    & skf18("6","9","6","6","8","3","1") = "8"
    & skf18("6","9","6","6","8","4","1") = "8"
    & skf18("6","9","6","6","8","5","1") = "8"
    & skf18("6","9","6","6","8","6","1") = "8"
    & skf18("6","9","6","6","8","7","1") = "8"
    & skf18("6","9","6","6","8","8","1") = "8"
    & skf18("6","9","6","6","8","9","1") = "8"
    & skf18("6","9","6","6","8","10","1") = "9"
    & skf18("6","9","6","6","9","1","1") = "8"
    & skf18("6","9","6","6","9","2","1") = "8"
    & skf18("6","9","6","6","9","3","1") = "8"
    & skf18("6","9","6","6","9","4","1") = "8"
    & skf18("6","9","6","6","9","5","1") = "8"
    & skf18("6","9","6","6","9","6","1") = "8"
    & skf18("6","9","6","6","9","7","1") = "8"
    & skf18("6","9","6","6","9","8","1") = "8"
    & skf18("6","9","6","6","9","9","1") = "8"
    & skf18("6","9","6","6","9","10","1") = "9"
    & skf18("6","9","6","6","10","1","1") = "9"
    & skf18("6","9","6","6","10","2","1") = "9"
    & skf18("6","9","6","6","10","3","1") = "9"
    & skf18("6","9","6","6","10","4","1") = "9"
    & skf18("6","9","6","6","10","5","1") = "9"
    & skf18("6","9","6","6","10","6","1") = "9"
    & skf18("6","9","6","6","10","7","1") = "9"
    & skf18("6","9","6","6","10","8","1") = "9"
    & skf18("6","9","6","6","10","9","1") = "9"
    & skf18("6","9","6","6","10","10","1") = "9"
    & skf18("6","9","6","7","1","1","1") = "8"
    & skf18("6","9","6","7","1","2","1") = "8"
    & skf18("6","9","6","7","1","3","1") = "8"
    & skf18("6","9","6","7","1","4","1") = "8"
    & skf18("6","9","6","7","1","5","1") = "8"
    & skf18("6","9","6","7","1","6","1") = "8"
    & skf18("6","9","6","7","1","7","1") = "8"
    & skf18("6","9","6","7","1","8","1") = "8"
    & skf18("6","9","6","7","1","9","1") = "8"
    & skf18("6","9","6","7","1","10","1") = "9"
    & skf18("6","9","6","7","2","1","1") = "8"
    & skf18("6","9","6","7","2","2","1") = "8"
    & skf18("6","9","6","7","2","3","1") = "8"
    & skf18("6","9","6","7","2","4","1") = "8"
    & skf18("6","9","6","7","2","5","1") = "8"
    & skf18("6","9","6","7","2","6","1") = "8"
    & skf18("6","9","6","7","2","7","1") = "8"
    & skf18("6","9","6","7","2","8","1") = "8"
    & skf18("6","9","6","7","2","9","1") = "8"
    & skf18("6","9","6","7","2","10","1") = "9"
    & skf18("6","9","6","7","3","1","1") = "8"
    & skf18("6","9","6","7","3","2","1") = "8"
    & skf18("6","9","6","7","3","3","1") = "8"
    & skf18("6","9","6","7","3","4","1") = "8"
    & skf18("6","9","6","7","3","5","1") = "8"
    & skf18("6","9","6","7","3","6","1") = "8"
    & skf18("6","9","6","7","3","7","1") = "8"
    & skf18("6","9","6","7","3","8","1") = "8"
    & skf18("6","9","6","7","3","9","1") = "8"
    & skf18("6","9","6","7","3","10","1") = "9"
    & skf18("6","9","6","7","4","1","1") = "8"
    & skf18("6","9","6","7","4","2","1") = "8"
    & skf18("6","9","6","7","4","3","1") = "8"
    & skf18("6","9","6","7","4","4","1") = "8"
    & skf18("6","9","6","7","4","5","1") = "8"
    & skf18("6","9","6","7","4","6","1") = "8"
    & skf18("6","9","6","7","4","7","1") = "8"
    & skf18("6","9","6","7","4","8","1") = "8"
    & skf18("6","9","6","7","4","9","1") = "8"
    & skf18("6","9","6","7","4","10","1") = "9"
    & skf18("6","9","6","7","5","1","1") = "8"
    & skf18("6","9","6","7","5","2","1") = "8"
    & skf18("6","9","6","7","5","3","1") = "8"
    & skf18("6","9","6","7","5","4","1") = "8"
    & skf18("6","9","6","7","5","5","1") = "8"
    & skf18("6","9","6","7","5","6","1") = "8"
    & skf18("6","9","6","7","5","7","1") = "8"
    & skf18("6","9","6","7","5","8","1") = "8"
    & skf18("6","9","6","7","5","9","1") = "8"
    & skf18("6","9","6","7","5","10","1") = "9"
    & skf18("6","9","6","7","6","1","1") = "8"
    & skf18("6","9","6","7","6","2","1") = "8"
    & skf18("6","9","6","7","6","3","1") = "8"
    & skf18("6","9","6","7","6","4","1") = "8"
    & skf18("6","9","6","7","6","5","1") = "8"
    & skf18("6","9","6","7","6","6","1") = "8"
    & skf18("6","9","6","7","6","7","1") = "8"
    & skf18("6","9","6","7","6","8","1") = "8"
    & skf18("6","9","6","7","6","9","1") = "8"
    & skf18("6","9","6","7","6","10","1") = "9"
    & skf18("6","9","6","7","7","1","1") = "8"
    & skf18("6","9","6","7","7","2","1") = "8"
    & skf18("6","9","6","7","7","3","1") = "8"
    & skf18("6","9","6","7","7","4","1") = "8"
    & skf18("6","9","6","7","7","5","1") = "8"
    & skf18("6","9","6","7","7","6","1") = "8"
    & skf18("6","9","6","7","7","7","1") = "8"
    & skf18("6","9","6","7","7","8","1") = "8"
    & skf18("6","9","6","7","7","9","1") = "8"
    & skf18("6","9","6","7","7","10","1") = "9"
    & skf18("6","9","6","7","8","1","1") = "8"
    & skf18("6","9","6","7","8","2","1") = "8"
    & skf18("6","9","6","7","8","3","1") = "8"
    & skf18("6","9","6","7","8","4","1") = "8"
    & skf18("6","9","6","7","8","5","1") = "8"
    & skf18("6","9","6","7","8","6","1") = "8"
    & skf18("6","9","6","7","8","7","1") = "8"
    & skf18("6","9","6","7","8","8","1") = "8"
    & skf18("6","9","6","7","8","9","1") = "8"
    & skf18("6","9","6","7","8","10","1") = "9"
    & skf18("6","9","6","7","9","1","1") = "8"
    & skf18("6","9","6","7","9","2","1") = "8"
    & skf18("6","9","6","7","9","3","1") = "8"
    & skf18("6","9","6","7","9","4","1") = "8"
    & skf18("6","9","6","7","9","5","1") = "8"
    & skf18("6","9","6","7","9","6","1") = "8"
    & skf18("6","9","6","7","9","7","1") = "8"
    & skf18("6","9","6","7","9","8","1") = "8"
    & skf18("6","9","6","7","9","9","1") = "8"
    & skf18("6","9","6","7","9","10","1") = "9"
    & skf18("6","9","6","7","10","1","1") = "9"
    & skf18("6","9","6","7","10","2","1") = "9"
    & skf18("6","9","6","7","10","3","1") = "9"
    & skf18("6","9","6","7","10","4","1") = "9"
    & skf18("6","9","6","7","10","5","1") = "9"
    & skf18("6","9","6","7","10","6","1") = "9"
    & skf18("6","9","6","7","10","7","1") = "9"
    & skf18("6","9","6","7","10","8","1") = "9"
    & skf18("6","9","6","7","10","9","1") = "9"
    & skf18("6","9","6","7","10","10","1") = "9"
    & skf18("6","9","6","8","1","1","1") = "8"
    & skf18("6","9","6","8","1","2","1") = "8"
    & skf18("6","9","6","8","1","3","1") = "8"
    & skf18("6","9","6","8","1","4","1") = "8"
    & skf18("6","9","6","8","1","5","1") = "8"
    & skf18("6","9","6","8","1","6","1") = "8"
    & skf18("6","9","6","8","1","7","1") = "8"
    & skf18("6","9","6","8","1","8","1") = "8"
    & skf18("6","9","6","8","1","9","1") = "8"
    & skf18("6","9","6","8","1","10","1") = "9"
    & skf18("6","9","6","8","2","1","1") = "8"
    & skf18("6","9","6","8","2","2","1") = "8"
    & skf18("6","9","6","8","2","3","1") = "8"
    & skf18("6","9","6","8","2","4","1") = "8"
    & skf18("6","9","6","8","2","5","1") = "8"
    & skf18("6","9","6","8","2","6","1") = "8"
    & skf18("6","9","6","8","2","7","1") = "8"
    & skf18("6","9","6","8","2","8","1") = "8"
    & skf18("6","9","6","8","2","9","1") = "8"
    & skf18("6","9","6","8","2","10","1") = "9"
    & skf18("6","9","6","8","3","1","1") = "8"
    & skf18("6","9","6","8","3","2","1") = "8"
    & skf18("6","9","6","8","3","3","1") = "8"
    & skf18("6","9","6","8","3","4","1") = "8"
    & skf18("6","9","6","8","3","5","1") = "8"
    & skf18("6","9","6","8","3","6","1") = "8"
    & skf18("6","9","6","8","3","7","1") = "8"
    & skf18("6","9","6","8","3","8","1") = "8"
    & skf18("6","9","6","8","3","9","1") = "8"
    & skf18("6","9","6","8","3","10","1") = "9"
    & skf18("6","9","6","8","4","1","1") = "8"
    & skf18("6","9","6","8","4","2","1") = "8"
    & skf18("6","9","6","8","4","3","1") = "8"
    & skf18("6","9","6","8","4","4","1") = "8"
    & skf18("6","9","6","8","4","5","1") = "8"
    & skf18("6","9","6","8","4","6","1") = "8"
    & skf18("6","9","6","8","4","7","1") = "8"
    & skf18("6","9","6","8","4","8","1") = "8"
    & skf18("6","9","6","8","4","9","1") = "8"
    & skf18("6","9","6","8","4","10","1") = "9"
    & skf18("6","9","6","8","5","1","1") = "8"
    & skf18("6","9","6","8","5","2","1") = "8"
    & skf18("6","9","6","8","5","3","1") = "8"
    & skf18("6","9","6","8","5","4","1") = "8"
    & skf18("6","9","6","8","5","5","1") = "8"
    & skf18("6","9","6","8","5","6","1") = "8"
    & skf18("6","9","6","8","5","7","1") = "8"
    & skf18("6","9","6","8","5","8","1") = "8"
    & skf18("6","9","6","8","5","9","1") = "8"
    & skf18("6","9","6","8","5","10","1") = "9"
    & skf18("6","9","6","8","6","1","1") = "8"
    & skf18("6","9","6","8","6","2","1") = "8"
    & skf18("6","9","6","8","6","3","1") = "8"
    & skf18("6","9","6","8","6","4","1") = "8"
    & skf18("6","9","6","8","6","5","1") = "8"
    & skf18("6","9","6","8","6","6","1") = "8"
    & skf18("6","9","6","8","6","7","1") = "8"
    & skf18("6","9","6","8","6","8","1") = "8"
    & skf18("6","9","6","8","6","9","1") = "8"
    & skf18("6","9","6","8","6","10","1") = "9"
    & skf18("6","9","6","8","7","1","1") = "8"
    & skf18("6","9","6","8","7","2","1") = "8"
    & skf18("6","9","6","8","7","3","1") = "8"
    & skf18("6","9","6","8","7","4","1") = "8"
    & skf18("6","9","6","8","7","5","1") = "8"
    & skf18("6","9","6","8","7","6","1") = "8"
    & skf18("6","9","6","8","7","7","1") = "8"
    & skf18("6","9","6","8","7","8","1") = "8"
    & skf18("6","9","6","8","7","9","1") = "8"
    & skf18("6","9","6","8","7","10","1") = "9"
    & skf18("6","9","6","8","8","1","1") = "8"
    & skf18("6","9","6","8","8","2","1") = "8"
    & skf18("6","9","6","8","8","3","1") = "8"
    & skf18("6","9","6","8","8","4","1") = "8"
    & skf18("6","9","6","8","8","5","1") = "8"
    & skf18("6","9","6","8","8","6","1") = "8"
    & skf18("6","9","6","8","8","7","1") = "8"
    & skf18("6","9","6","8","8","8","1") = "8"
    & skf18("6","9","6","8","8","9","1") = "8"
    & skf18("6","9","6","8","8","10","1") = "9"
    & skf18("6","9","6","8","9","1","1") = "8"
    & skf18("6","9","6","8","9","2","1") = "8"
    & skf18("6","9","6","8","9","3","1") = "8"
    & skf18("6","9","6","8","9","4","1") = "8"
    & skf18("6","9","6","8","9","5","1") = "8"
    & skf18("6","9","6","8","9","6","1") = "8"
    & skf18("6","9","6","8","9","7","1") = "8"
    & skf18("6","9","6","8","9","8","1") = "8"
    & skf18("6","9","6","8","9","9","1") = "8"
    & skf18("6","9","6","8","9","10","1") = "9"
    & skf18("6","9","6","8","10","1","1") = "9"
    & skf18("6","9","6","8","10","2","1") = "9"
    & skf18("6","9","6","8","10","3","1") = "9"
    & skf18("6","9","6","8","10","4","1") = "9"
    & skf18("6","9","6","8","10","5","1") = "9"
    & skf18("6","9","6","8","10","6","1") = "9"
    & skf18("6","9","6","8","10","7","1") = "9"
    & skf18("6","9","6","8","10","8","1") = "9"
    & skf18("6","9","6","8","10","9","1") = "9"
    & skf18("6","9","6","8","10","10","1") = "9"
    & skf18("6","9","6","9","1","1","1") = "8"
    & skf18("6","9","6","9","1","2","1") = "8"
    & skf18("6","9","6","9","1","3","1") = "8"
    & skf18("6","9","6","9","1","4","1") = "8"
    & skf18("6","9","6","9","1","5","1") = "8"
    & skf18("6","9","6","9","1","6","1") = "8"
    & skf18("6","9","6","9","1","7","1") = "8"
    & skf18("6","9","6","9","1","8","1") = "8"
    & skf18("6","9","6","9","1","9","1") = "8"
    & skf18("6","9","6","9","1","10","1") = "9"
    & skf18("6","9","6","9","2","1","1") = "8"
    & skf18("6","9","6","9","2","2","1") = "8"
    & skf18("6","9","6","9","2","3","1") = "8"
    & skf18("6","9","6","9","2","4","1") = "8"
    & skf18("6","9","6","9","2","5","1") = "8"
    & skf18("6","9","6","9","2","6","1") = "8"
    & skf18("6","9","6","9","2","7","1") = "8"
    & skf18("6","9","6","9","2","8","1") = "8"
    & skf18("6","9","6","9","2","9","1") = "8"
    & skf18("6","9","6","9","2","10","1") = "9"
    & skf18("6","9","6","9","3","1","1") = "8"
    & skf18("6","9","6","9","3","2","1") = "8"
    & skf18("6","9","6","9","3","3","1") = "8"
    & skf18("6","9","6","9","3","4","1") = "8"
    & skf18("6","9","6","9","3","5","1") = "8"
    & skf18("6","9","6","9","3","6","1") = "8"
    & skf18("6","9","6","9","3","7","1") = "8"
    & skf18("6","9","6","9","3","8","1") = "8"
    & skf18("6","9","6","9","3","9","1") = "8"
    & skf18("6","9","6","9","3","10","1") = "9"
    & skf18("6","9","6","9","4","1","1") = "8"
    & skf18("6","9","6","9","4","2","1") = "8"
    & skf18("6","9","6","9","4","3","1") = "8"
    & skf18("6","9","6","9","4","4","1") = "8"
    & skf18("6","9","6","9","4","5","1") = "8"
    & skf18("6","9","6","9","4","6","1") = "8"
    & skf18("6","9","6","9","4","7","1") = "8"
    & skf18("6","9","6","9","4","8","1") = "8"
    & skf18("6","9","6","9","4","9","1") = "8"
    & skf18("6","9","6","9","4","10","1") = "9"
    & skf18("6","9","6","9","5","1","1") = "8"
    & skf18("6","9","6","9","5","2","1") = "8"
    & skf18("6","9","6","9","5","3","1") = "8"
    & skf18("6","9","6","9","5","4","1") = "8"
    & skf18("6","9","6","9","5","5","1") = "8"
    & skf18("6","9","6","9","5","6","1") = "8"
    & skf18("6","9","6","9","5","7","1") = "8"
    & skf18("6","9","6","9","5","8","1") = "8"
    & skf18("6","9","6","9","5","9","1") = "8"
    & skf18("6","9","6","9","5","10","1") = "9"
    & skf18("6","9","6","9","6","1","1") = "8"
    & skf18("6","9","6","9","6","2","1") = "8"
    & skf18("6","9","6","9","6","3","1") = "8"
    & skf18("6","9","6","9","6","4","1") = "8"
    & skf18("6","9","6","9","6","5","1") = "8"
    & skf18("6","9","6","9","6","6","1") = "8"
    & skf18("6","9","6","9","6","7","1") = "8"
    & skf18("6","9","6","9","6","8","1") = "8"
    & skf18("6","9","6","9","6","9","1") = "8"
    & skf18("6","9","6","9","6","10","1") = "9"
    & skf18("6","9","6","9","7","1","1") = "8"
    & skf18("6","9","6","9","7","2","1") = "8"
    & skf18("6","9","6","9","7","3","1") = "8"
    & skf18("6","9","6","9","7","4","1") = "8"
    & skf18("6","9","6","9","7","5","1") = "8"
    & skf18("6","9","6","9","7","6","1") = "8"
    & skf18("6","9","6","9","7","7","1") = "8"
    & skf18("6","9","6","9","7","8","1") = "8"
    & skf18("6","9","6","9","7","9","1") = "8"
    & skf18("6","9","6","9","7","10","1") = "9"
    & skf18("6","9","6","9","8","1","1") = "8"
    & skf18("6","9","6","9","8","2","1") = "8"
    & skf18("6","9","6","9","8","3","1") = "8"
    & skf18("6","9","6","9","8","4","1") = "8"
    & skf18("6","9","6","9","8","5","1") = "8"
    & skf18("6","9","6","9","8","6","1") = "8"
    & skf18("6","9","6","9","8","7","1") = "8"
    & skf18("6","9","6","9","8","8","1") = "8"
    & skf18("6","9","6","9","8","9","1") = "8"
    & skf18("6","9","6","9","8","10","1") = "9"
    & skf18("6","9","6","9","9","1","1") = "8"
    & skf18("6","9","6","9","9","2","1") = "8"
    & skf18("6","9","6","9","9","3","1") = "8"
    & skf18("6","9","6","9","9","4","1") = "8"
    & skf18("6","9","6","9","9","5","1") = "8"
    & skf18("6","9","6","9","9","6","1") = "8"
    & skf18("6","9","6","9","9","7","1") = "8"
    & skf18("6","9","6","9","9","8","1") = "8"
    & skf18("6","9","6","9","9","9","1") = "8"
    & skf18("6","9","6","9","9","10","1") = "9"
    & skf18("6","9","6","9","10","1","1") = "9"
    & skf18("6","9","6","9","10","2","1") = "9"
    & skf18("6","9","6","9","10","3","1") = "9"
    & skf18("6","9","6","9","10","4","1") = "9"
    & skf18("6","9","6","9","10","5","1") = "9"
    & skf18("6","9","6","9","10","6","1") = "9"
    & skf18("6","9","6","9","10","7","1") = "9"
    & skf18("6","9","6","9","10","8","1") = "9"
    & skf18("6","9","6","9","10","9","1") = "9"
    & skf18("6","9","6","9","10","10","1") = "9"
    & skf18("6","9","6","10","1","1","1") = "9"
    & skf18("6","9","6","10","1","2","1") = "9"
    & skf18("6","9","6","10","1","3","1") = "9"
    & skf18("6","9","6","10","1","4","1") = "9"
    & skf18("6","9","6","10","1","5","1") = "9"
    & skf18("6","9","6","10","1","6","1") = "9"
    & skf18("6","9","6","10","1","7","1") = "9"
    & skf18("6","9","6","10","1","8","1") = "9"
    & skf18("6","9","6","10","1","9","1") = "9"
    & skf18("6","9","6","10","1","10","1") = "9"
    & skf18("6","9","6","10","2","1","1") = "9"
    & skf18("6","9","6","10","2","2","1") = "9"
    & skf18("6","9","6","10","2","3","1") = "9"
    & skf18("6","9","6","10","2","4","1") = "9"
    & skf18("6","9","6","10","2","5","1") = "9"
    & skf18("6","9","6","10","2","6","1") = "9"
    & skf18("6","9","6","10","2","7","1") = "9"
    & skf18("6","9","6","10","2","8","1") = "9"
    & skf18("6","9","6","10","2","9","1") = "9"
    & skf18("6","9","6","10","2","10","1") = "9"
    & skf18("6","9","6","10","3","1","1") = "9"
    & skf18("6","9","6","10","3","2","1") = "9"
    & skf18("6","9","6","10","3","3","1") = "9"
    & skf18("6","9","6","10","3","4","1") = "9"
    & skf18("6","9","6","10","3","5","1") = "9"
    & skf18("6","9","6","10","3","6","1") = "9"
    & skf18("6","9","6","10","3","7","1") = "9"
    & skf18("6","9","6","10","3","8","1") = "9"
    & skf18("6","9","6","10","3","9","1") = "9"
    & skf18("6","9","6","10","3","10","1") = "9"
    & skf18("6","9","6","10","4","1","1") = "9"
    & skf18("6","9","6","10","4","2","1") = "9"
    & skf18("6","9","6","10","4","3","1") = "9"
    & skf18("6","9","6","10","4","4","1") = "9"
    & skf18("6","9","6","10","4","5","1") = "9"
    & skf18("6","9","6","10","4","6","1") = "9"
    & skf18("6","9","6","10","4","7","1") = "9"
    & skf18("6","9","6","10","4","8","1") = "9"
    & skf18("6","9","6","10","4","9","1") = "9"
    & skf18("6","9","6","10","4","10","1") = "9"
    & skf18("6","9","6","10","5","1","1") = "9"
    & skf18("6","9","6","10","5","2","1") = "9"
    & skf18("6","9","6","10","5","3","1") = "9"
    & skf18("6","9","6","10","5","4","1") = "9"
    & skf18("6","9","6","10","5","5","1") = "9"
    & skf18("6","9","6","10","5","6","1") = "9"
    & skf18("6","9","6","10","5","7","1") = "9"
    & skf18("6","9","6","10","5","8","1") = "9"
    & skf18("6","9","6","10","5","9","1") = "9"
    & skf18("6","9","6","10","5","10","1") = "9"
    & skf18("6","9","6","10","6","1","1") = "9"
    & skf18("6","9","6","10","6","2","1") = "9"
    & skf18("6","9","6","10","6","3","1") = "9"
    & skf18("6","9","6","10","6","4","1") = "9"
    & skf18("6","9","6","10","6","5","1") = "9"
    & skf18("6","9","6","10","6","6","1") = "9"
    & skf18("6","9","6","10","6","7","1") = "9"
    & skf18("6","9","6","10","6","8","1") = "9"
    & skf18("6","9","6","10","6","9","1") = "9"
    & skf18("6","9","6","10","6","10","1") = "9"
    & skf18("6","9","6","10","7","1","1") = "9"
    & skf18("6","9","6","10","7","2","1") = "9"
    & skf18("6","9","6","10","7","3","1") = "9"
    & skf18("6","9","6","10","7","4","1") = "9"
    & skf18("6","9","6","10","7","5","1") = "9"
    & skf18("6","9","6","10","7","6","1") = "9"
    & skf18("6","9","6","10","7","7","1") = "9"
    & skf18("6","9","6","10","7","8","1") = "9"
    & skf18("6","9","6","10","7","9","1") = "9"
    & skf18("6","9","6","10","7","10","1") = "9"
    & skf18("6","9","6","10","8","1","1") = "9"
    & skf18("6","9","6","10","8","2","1") = "9"
    & skf18("6","9","6","10","8","3","1") = "9"
    & skf18("6","9","6","10","8","4","1") = "9"
    & skf18("6","9","6","10","8","5","1") = "9"
    & skf18("6","9","6","10","8","6","1") = "9"
    & skf18("6","9","6","10","8","7","1") = "9"
    & skf18("6","9","6","10","8","8","1") = "9"
    & skf18("6","9","6","10","8","9","1") = "9"
    & skf18("6","9","6","10","8","10","1") = "9"
    & skf18("6","9","6","10","9","1","1") = "9"
    & skf18("6","9","6","10","9","2","1") = "9"
    & skf18("6","9","6","10","9","3","1") = "9"
    & skf18("6","9","6","10","9","4","1") = "9"
    & skf18("6","9","6","10","9","5","1") = "9"
    & skf18("6","9","6","10","9","6","1") = "9"
    & skf18("6","9","6","10","9","7","1") = "9"
    & skf18("6","9","6","10","9","8","1") = "9"
    & skf18("6","9","6","10","9","9","1") = "9"
    & skf18("6","9","6","10","9","10","1") = "9"
    & skf18("6","9","6","10","10","1","1") = "9"
    & skf18("6","9","6","10","10","2","1") = "9"
    & skf18("6","9","6","10","10","3","1") = "9"
    & skf18("6","9","6","10","10","4","1") = "9"
    & skf18("6","9","6","10","10","5","1") = "9"
    & skf18("6","9","6","10","10","6","1") = "9"
    & skf18("6","9","6","10","10","7","1") = "9"
    & skf18("6","9","6","10","10","8","1") = "9"
    & skf18("6","9","6","10","10","9","1") = "9"
    & skf18("6","9","6","10","10","10","1") = "9"
    & skf18("6","9","7","1","1","1","1") = "8"
    & skf18("6","9","7","1","1","2","1") = "8"
    & skf18("6","9","7","1","1","3","1") = "8"
    & skf18("6","9","7","1","1","4","1") = "8"
    & skf18("6","9","7","1","1","5","1") = "8"
    & skf18("6","9","7","1","1","6","1") = "8"
    & skf18("6","9","7","1","1","7","1") = "8"
    & skf18("6","9","7","1","1","8","1") = "8"
    & skf18("6","9","7","1","1","9","1") = "8"
    & skf18("6","9","7","1","1","10","1") = "9"
    & skf18("6","9","7","1","2","1","1") = "8"
    & skf18("6","9","7","1","2","2","1") = "8"
    & skf18("6","9","7","1","2","3","1") = "8"
    & skf18("6","9","7","1","2","4","1") = "8"
    & skf18("6","9","7","1","2","5","1") = "8"
    & skf18("6","9","7","1","2","6","1") = "8"
    & skf18("6","9","7","1","2","7","1") = "8"
    & skf18("6","9","7","1","2","8","1") = "8"
    & skf18("6","9","7","1","2","9","1") = "8"
    & skf18("6","9","7","1","2","10","1") = "9"
    & skf18("6","9","7","1","3","1","1") = "8"
    & skf18("6","9","7","1","3","2","1") = "8"
    & skf18("6","9","7","1","3","3","1") = "8"
    & skf18("6","9","7","1","3","4","1") = "8"
    & skf18("6","9","7","1","3","5","1") = "8"
    & skf18("6","9","7","1","3","6","1") = "8"
    & skf18("6","9","7","1","3","7","1") = "8"
    & skf18("6","9","7","1","3","8","1") = "8"
    & skf18("6","9","7","1","3","9","1") = "8"
    & skf18("6","9","7","1","3","10","1") = "9"
    & skf18("6","9","7","1","4","1","1") = "8"
    & skf18("6","9","7","1","4","2","1") = "8"
    & skf18("6","9","7","1","4","3","1") = "8"
    & skf18("6","9","7","1","4","4","1") = "8"
    & skf18("6","9","7","1","4","5","1") = "8"
    & skf18("6","9","7","1","4","6","1") = "8"
    & skf18("6","9","7","1","4","7","1") = "8"
    & skf18("6","9","7","1","4","8","1") = "8"
    & skf18("6","9","7","1","4","9","1") = "8"
    & skf18("6","9","7","1","4","10","1") = "9"
    & skf18("6","9","7","1","5","1","1") = "8"
    & skf18("6","9","7","1","5","2","1") = "8"
    & skf18("6","9","7","1","5","3","1") = "8"
    & skf18("6","9","7","1","5","4","1") = "8"
    & skf18("6","9","7","1","5","5","1") = "8"
    & skf18("6","9","7","1","5","6","1") = "8"
    & skf18("6","9","7","1","5","7","1") = "8"
    & skf18("6","9","7","1","5","8","1") = "8"
    & skf18("6","9","7","1","5","9","1") = "8"
    & skf18("6","9","7","1","5","10","1") = "9"
    & skf18("6","9","7","1","6","1","1") = "8"
    & skf18("6","9","7","1","6","2","1") = "8"
    & skf18("6","9","7","1","6","3","1") = "8"
    & skf18("6","9","7","1","6","4","1") = "8"
    & skf18("6","9","7","1","6","5","1") = "8"
    & skf18("6","9","7","1","6","6","1") = "8"
    & skf18("6","9","7","1","6","7","1") = "8"
    & skf18("6","9","7","1","6","8","1") = "8"
    & skf18("6","9","7","1","6","9","1") = "8"
    & skf18("6","9","7","1","6","10","1") = "9"
    & skf18("6","9","7","1","7","1","1") = "8"
    & skf18("6","9","7","1","7","2","1") = "8"
    & skf18("6","9","7","1","7","3","1") = "8"
    & skf18("6","9","7","1","7","4","1") = "8"
    & skf18("6","9","7","1","7","5","1") = "8"
    & skf18("6","9","7","1","7","6","1") = "8"
    & skf18("6","9","7","1","7","7","1") = "8"
    & skf18("6","9","7","1","7","8","1") = "8"
    & skf18("6","9","7","1","7","9","1") = "8"
    & skf18("6","9","7","1","7","10","1") = "9"
    & skf18("6","9","7","1","8","1","1") = "8"
    & skf18("6","9","7","1","8","2","1") = "8"
    & skf18("6","9","7","1","8","3","1") = "8"
    & skf18("6","9","7","1","8","4","1") = "8"
    & skf18("6","9","7","1","8","5","1") = "8"
    & skf18("6","9","7","1","8","6","1") = "8"
    & skf18("6","9","7","1","8","7","1") = "8"
    & skf18("6","9","7","1","8","8","1") = "8"
    & skf18("6","9","7","1","8","9","1") = "8"
    & skf18("6","9","7","1","8","10","1") = "9"
    & skf18("6","9","7","1","9","1","1") = "8"
    & skf18("6","9","7","1","9","2","1") = "8"
    & skf18("6","9","7","1","9","3","1") = "8"
    & skf18("6","9","7","1","9","4","1") = "8"
    & skf18("6","9","7","1","9","5","1") = "8"
    & skf18("6","9","7","1","9","6","1") = "8"
    & skf18("6","9","7","1","9","7","1") = "8"
    & skf18("6","9","7","1","9","8","1") = "8"
    & skf18("6","9","7","1","9","9","1") = "8"
    & skf18("6","9","7","1","9","10","1") = "9"
    & skf18("6","9","7","1","10","1","1") = "9"
    & skf18("6","9","7","1","10","2","1") = "9"
    & skf18("6","9","7","1","10","3","1") = "9"
    & skf18("6","9","7","1","10","4","1") = "9"
    & skf18("6","9","7","1","10","5","1") = "9"
    & skf18("6","9","7","1","10","6","1") = "9"
    & skf18("6","9","7","1","10","7","1") = "9"
    & skf18("6","9","7","1","10","8","1") = "9"
    & skf18("6","9","7","1","10","9","1") = "9"
    & skf18("6","9","7","1","10","10","1") = "9"
    & skf18("6","9","7","2","1","1","1") = "8"
    & skf18("6","9","7","2","1","2","1") = "8"
    & skf18("6","9","7","2","1","3","1") = "8"
    & skf18("6","9","7","2","1","4","1") = "8"
    & skf18("6","9","7","2","1","5","1") = "8"
    & skf18("6","9","7","2","1","6","1") = "8"
    & skf18("6","9","7","2","1","7","1") = "8"
    & skf18("6","9","7","2","1","8","1") = "8"
    & skf18("6","9","7","2","1","9","1") = "8"
    & skf18("6","9","7","2","1","10","1") = "9"
    & skf18("6","9","7","2","2","1","1") = "8"
    & skf18("6","9","7","2","2","2","1") = "8"
    & skf18("6","9","7","2","2","3","1") = "8"
    & skf18("6","9","7","2","2","4","1") = "8"
    & skf18("6","9","7","2","2","5","1") = "8"
    & skf18("6","9","7","2","2","6","1") = "8"
    & skf18("6","9","7","2","2","7","1") = "8"
    & skf18("6","9","7","2","2","8","1") = "8"
    & skf18("6","9","7","2","2","9","1") = "8"
    & skf18("6","9","7","2","2","10","1") = "9"
    & skf18("6","9","7","2","3","1","1") = "8"
    & skf18("6","9","7","2","3","2","1") = "8"
    & skf18("6","9","7","2","3","3","1") = "8"
    & skf18("6","9","7","2","3","4","1") = "8"
    & skf18("6","9","7","2","3","5","1") = "8"
    & skf18("6","9","7","2","3","6","1") = "8"
    & skf18("6","9","7","2","3","7","1") = "8"
    & skf18("6","9","7","2","3","8","1") = "8"
    & skf18("6","9","7","2","3","9","1") = "8"
    & skf18("6","9","7","2","3","10","1") = "9"
    & skf18("6","9","7","2","4","1","1") = "8"
    & skf18("6","9","7","2","4","2","1") = "8"
    & skf18("6","9","7","2","4","3","1") = "8"
    & skf18("6","9","7","2","4","4","1") = "8"
    & skf18("6","9","7","2","4","5","1") = "8"
    & skf18("6","9","7","2","4","6","1") = "8"
    & skf18("6","9","7","2","4","7","1") = "8"
    & skf18("6","9","7","2","4","8","1") = "8"
    & skf18("6","9","7","2","4","9","1") = "8"
    & skf18("6","9","7","2","4","10","1") = "9"
    & skf18("6","9","7","2","5","1","1") = "8"
    & skf18("6","9","7","2","5","2","1") = "8"
    & skf18("6","9","7","2","5","3","1") = "8"
    & skf18("6","9","7","2","5","4","1") = "8"
    & skf18("6","9","7","2","5","5","1") = "8"
    & skf18("6","9","7","2","5","6","1") = "8"
    & skf18("6","9","7","2","5","7","1") = "8"
    & skf18("6","9","7","2","5","8","1") = "8"
    & skf18("6","9","7","2","5","9","1") = "8"
    & skf18("6","9","7","2","5","10","1") = "9"
    & skf18("6","9","7","2","6","1","1") = "8"
    & skf18("6","9","7","2","6","2","1") = "8"
    & skf18("6","9","7","2","6","3","1") = "8"
    & skf18("6","9","7","2","6","4","1") = "8"
    & skf18("6","9","7","2","6","5","1") = "8"
    & skf18("6","9","7","2","6","6","1") = "8"
    & skf18("6","9","7","2","6","7","1") = "8"
    & skf18("6","9","7","2","6","8","1") = "8"
    & skf18("6","9","7","2","6","9","1") = "8"
    & skf18("6","9","7","2","6","10","1") = "9"
    & skf18("6","9","7","2","7","1","1") = "8"
    & skf18("6","9","7","2","7","2","1") = "8"
    & skf18("6","9","7","2","7","3","1") = "8"
    & skf18("6","9","7","2","7","4","1") = "8"
    & skf18("6","9","7","2","7","5","1") = "8"
    & skf18("6","9","7","2","7","6","1") = "8"
    & skf18("6","9","7","2","7","7","1") = "8"
    & skf18("6","9","7","2","7","8","1") = "8"
    & skf18("6","9","7","2","7","9","1") = "8"
    & skf18("6","9","7","2","7","10","1") = "9"
    & skf18("6","9","7","2","8","1","1") = "8"
    & skf18("6","9","7","2","8","2","1") = "8"
    & skf18("6","9","7","2","8","3","1") = "8"
    & skf18("6","9","7","2","8","4","1") = "8"
    & skf18("6","9","7","2","8","5","1") = "8"
    & skf18("6","9","7","2","8","6","1") = "8"
    & skf18("6","9","7","2","8","7","1") = "8"
    & skf18("6","9","7","2","8","8","1") = "8"
    & skf18("6","9","7","2","8","9","1") = "8"
    & skf18("6","9","7","2","8","10","1") = "9"
    & skf18("6","9","7","2","9","1","1") = "8"
    & skf18("6","9","7","2","9","2","1") = "8"
    & skf18("6","9","7","2","9","3","1") = "8"
    & skf18("6","9","7","2","9","4","1") = "8"
    & skf18("6","9","7","2","9","5","1") = "8"
    & skf18("6","9","7","2","9","6","1") = "8"
    & skf18("6","9","7","2","9","7","1") = "8"
    & skf18("6","9","7","2","9","8","1") = "8"
    & skf18("6","9","7","2","9","9","1") = "8"
    & skf18("6","9","7","2","9","10","1") = "9"
    & skf18("6","9","7","2","10","1","1") = "9"
    & skf18("6","9","7","2","10","2","1") = "9"
    & skf18("6","9","7","2","10","3","1") = "9"
    & skf18("6","9","7","2","10","4","1") = "9"
    & skf18("6","9","7","2","10","5","1") = "9"
    & skf18("6","9","7","2","10","6","1") = "9"
    & skf18("6","9","7","2","10","7","1") = "9"
    & skf18("6","9","7","2","10","8","1") = "9"
    & skf18("6","9","7","2","10","9","1") = "9"
    & skf18("6","9","7","2","10","10","1") = "9"
    & skf18("6","9","7","3","1","1","1") = "8"
    & skf18("6","9","7","3","1","2","1") = "8"
    & skf18("6","9","7","3","1","3","1") = "8"
    & skf18("6","9","7","3","1","4","1") = "8"
    & skf18("6","9","7","3","1","5","1") = "8"
    & skf18("6","9","7","3","1","6","1") = "8"
    & skf18("6","9","7","3","1","7","1") = "8"
    & skf18("6","9","7","3","1","8","1") = "8"
    & skf18("6","9","7","3","1","9","1") = "8"
    & skf18("6","9","7","3","1","10","1") = "9"
    & skf18("6","9","7","3","2","1","1") = "8"
    & skf18("6","9","7","3","2","2","1") = "8"
    & skf18("6","9","7","3","2","3","1") = "8"
    & skf18("6","9","7","3","2","4","1") = "8"
    & skf18("6","9","7","3","2","5","1") = "8"
    & skf18("6","9","7","3","2","6","1") = "8"
    & skf18("6","9","7","3","2","7","1") = "8"
    & skf18("6","9","7","3","2","8","1") = "8"
    & skf18("6","9","7","3","2","9","1") = "8"
    & skf18("6","9","7","3","2","10","1") = "9"
    & skf18("6","9","7","3","3","1","1") = "8"
    & skf18("6","9","7","3","3","2","1") = "8"
    & skf18("6","9","7","3","3","3","1") = "8"
    & skf18("6","9","7","3","3","4","1") = "8"
    & skf18("6","9","7","3","3","5","1") = "8"
    & skf18("6","9","7","3","3","6","1") = "8"
    & skf18("6","9","7","3","3","7","1") = "8"
    & skf18("6","9","7","3","3","8","1") = "8"
    & skf18("6","9","7","3","3","9","1") = "8"
    & skf18("6","9","7","3","3","10","1") = "9"
    & skf18("6","9","7","3","4","1","1") = "8"
    & skf18("6","9","7","3","4","2","1") = "8"
    & skf18("6","9","7","3","4","3","1") = "8"
    & skf18("6","9","7","3","4","4","1") = "8"
    & skf18("6","9","7","3","4","5","1") = "8"
    & skf18("6","9","7","3","4","6","1") = "8"
    & skf18("6","9","7","3","4","7","1") = "8"
    & skf18("6","9","7","3","4","8","1") = "8"
    & skf18("6","9","7","3","4","9","1") = "8"
    & skf18("6","9","7","3","4","10","1") = "9"
    & skf18("6","9","7","3","5","1","1") = "8"
    & skf18("6","9","7","3","5","2","1") = "8"
    & skf18("6","9","7","3","5","3","1") = "8"
    & skf18("6","9","7","3","5","4","1") = "8"
    & skf18("6","9","7","3","5","5","1") = "8"
    & skf18("6","9","7","3","5","6","1") = "8"
    & skf18("6","9","7","3","5","7","1") = "8"
    & skf18("6","9","7","3","5","8","1") = "8"
    & skf18("6","9","7","3","5","9","1") = "8"
    & skf18("6","9","7","3","5","10","1") = "9"
    & skf18("6","9","7","3","6","1","1") = "8"
    & skf18("6","9","7","3","6","2","1") = "8"
    & skf18("6","9","7","3","6","3","1") = "8"
    & skf18("6","9","7","3","6","4","1") = "8"
    & skf18("6","9","7","3","6","5","1") = "8"
    & skf18("6","9","7","3","6","6","1") = "8"
    & skf18("6","9","7","3","6","7","1") = "8"
    & skf18("6","9","7","3","6","8","1") = "8"
    & skf18("6","9","7","3","6","9","1") = "8"
    & skf18("6","9","7","3","6","10","1") = "9"
    & skf18("6","9","7","3","7","1","1") = "8"
    & skf18("6","9","7","3","7","2","1") = "8"
    & skf18("6","9","7","3","7","3","1") = "8"
    & skf18("6","9","7","3","7","4","1") = "8"
    & skf18("6","9","7","3","7","5","1") = "8"
    & skf18("6","9","7","3","7","6","1") = "8"
    & skf18("6","9","7","3","7","7","1") = "8"
    & skf18("6","9","7","3","7","8","1") = "8"
    & skf18("6","9","7","3","7","9","1") = "8"
    & skf18("6","9","7","3","7","10","1") = "9"
    & skf18("6","9","7","3","8","1","1") = "8"
    & skf18("6","9","7","3","8","2","1") = "8"
    & skf18("6","9","7","3","8","3","1") = "8"
    & skf18("6","9","7","3","8","4","1") = "8"
    & skf18("6","9","7","3","8","5","1") = "8"
    & skf18("6","9","7","3","8","6","1") = "8"
    & skf18("6","9","7","3","8","7","1") = "8"
    & skf18("6","9","7","3","8","8","1") = "8"
    & skf18("6","9","7","3","8","9","1") = "8"
    & skf18("6","9","7","3","8","10","1") = "9"
    & skf18("6","9","7","3","9","1","1") = "8"
    & skf18("6","9","7","3","9","2","1") = "8"
    & skf18("6","9","7","3","9","3","1") = "8"
    & skf18("6","9","7","3","9","4","1") = "8"
    & skf18("6","9","7","3","9","5","1") = "8"
    & skf18("6","9","7","3","9","6","1") = "8"
    & skf18("6","9","7","3","9","7","1") = "8"
    & skf18("6","9","7","3","9","8","1") = "8"
    & skf18("6","9","7","3","9","9","1") = "8"
    & skf18("6","9","7","3","9","10","1") = "9"
    & skf18("6","9","7","3","10","1","1") = "9"
    & skf18("6","9","7","3","10","2","1") = "9"
    & skf18("6","9","7","3","10","3","1") = "9"
    & skf18("6","9","7","3","10","4","1") = "9"
    & skf18("6","9","7","3","10","5","1") = "9"
    & skf18("6","9","7","3","10","6","1") = "9"
    & skf18("6","9","7","3","10","7","1") = "9"
    & skf18("6","9","7","3","10","8","1") = "9"
    & skf18("6","9","7","3","10","9","1") = "9"
    & skf18("6","9","7","3","10","10","1") = "9"
    & skf18("6","9","7","4","1","1","1") = "8"
    & skf18("6","9","7","4","1","2","1") = "8"
    & skf18("6","9","7","4","1","3","1") = "8"
    & skf18("6","9","7","4","1","4","1") = "8"
    & skf18("6","9","7","4","1","5","1") = "8"
    & skf18("6","9","7","4","1","6","1") = "8"
    & skf18("6","9","7","4","1","7","1") = "8"
    & skf18("6","9","7","4","1","8","1") = "8"
    & skf18("6","9","7","4","1","9","1") = "8"
    & skf18("6","9","7","4","1","10","1") = "9"
    & skf18("6","9","7","4","2","1","1") = "8"
    & skf18("6","9","7","4","2","2","1") = "8"
    & skf18("6","9","7","4","2","3","1") = "8"
    & skf18("6","9","7","4","2","4","1") = "8"
    & skf18("6","9","7","4","2","5","1") = "8"
    & skf18("6","9","7","4","2","6","1") = "8"
    & skf18("6","9","7","4","2","7","1") = "8"
    & skf18("6","9","7","4","2","8","1") = "8"
    & skf18("6","9","7","4","2","9","1") = "8"
    & skf18("6","9","7","4","2","10","1") = "9"
    & skf18("6","9","7","4","3","1","1") = "8"
    & skf18("6","9","7","4","3","2","1") = "8"
    & skf18("6","9","7","4","3","3","1") = "8"
    & skf18("6","9","7","4","3","4","1") = "8"
    & skf18("6","9","7","4","3","5","1") = "8"
    & skf18("6","9","7","4","3","6","1") = "8"
    & skf18("6","9","7","4","3","7","1") = "8"
    & skf18("6","9","7","4","3","8","1") = "8"
    & skf18("6","9","7","4","3","9","1") = "8"
    & skf18("6","9","7","4","3","10","1") = "9"
    & skf18("6","9","7","4","4","1","1") = "8"
    & skf18("6","9","7","4","4","2","1") = "8"
    & skf18("6","9","7","4","4","3","1") = "8"
    & skf18("6","9","7","4","4","4","1") = "8"
    & skf18("6","9","7","4","4","5","1") = "8"
    & skf18("6","9","7","4","4","6","1") = "8"
    & skf18("6","9","7","4","4","7","1") = "8"
    & skf18("6","9","7","4","4","8","1") = "8"
    & skf18("6","9","7","4","4","9","1") = "8"
    & skf18("6","9","7","4","4","10","1") = "9"
    & skf18("6","9","7","4","5","1","1") = "8"
    & skf18("6","9","7","4","5","2","1") = "8"
    & skf18("6","9","7","4","5","3","1") = "8"
    & skf18("6","9","7","4","5","4","1") = "8"
    & skf18("6","9","7","4","5","5","1") = "8"
    & skf18("6","9","7","4","5","6","1") = "8"
    & skf18("6","9","7","4","5","7","1") = "8"
    & skf18("6","9","7","4","5","8","1") = "8"
    & skf18("6","9","7","4","5","9","1") = "8"
    & skf18("6","9","7","4","5","10","1") = "9"
    & skf18("6","9","7","4","6","1","1") = "8"
    & skf18("6","9","7","4","6","2","1") = "8"
    & skf18("6","9","7","4","6","3","1") = "8"
    & skf18("6","9","7","4","6","4","1") = "8"
    & skf18("6","9","7","4","6","5","1") = "8"
    & skf18("6","9","7","4","6","6","1") = "8"
    & skf18("6","9","7","4","6","7","1") = "8"
    & skf18("6","9","7","4","6","8","1") = "8"
    & skf18("6","9","7","4","6","9","1") = "8"
    & skf18("6","9","7","4","6","10","1") = "9"
    & skf18("6","9","7","4","7","1","1") = "8"
    & skf18("6","9","7","4","7","2","1") = "8"
    & skf18("6","9","7","4","7","3","1") = "8"
    & skf18("6","9","7","4","7","4","1") = "8"
    & skf18("6","9","7","4","7","5","1") = "8"
    & skf18("6","9","7","4","7","6","1") = "8"
    & skf18("6","9","7","4","7","7","1") = "8"
    & skf18("6","9","7","4","7","8","1") = "8"
    & skf18("6","9","7","4","7","9","1") = "8"
    & skf18("6","9","7","4","7","10","1") = "9"
    & skf18("6","9","7","4","8","1","1") = "8"
    & skf18("6","9","7","4","8","2","1") = "8"
    & skf18("6","9","7","4","8","3","1") = "8"
    & skf18("6","9","7","4","8","4","1") = "8"
    & skf18("6","9","7","4","8","5","1") = "8"
    & skf18("6","9","7","4","8","6","1") = "8"
    & skf18("6","9","7","4","8","7","1") = "8"
    & skf18("6","9","7","4","8","8","1") = "8"
    & skf18("6","9","7","4","8","9","1") = "8"
    & skf18("6","9","7","4","8","10","1") = "9"
    & skf18("6","9","7","4","9","1","1") = "8"
    & skf18("6","9","7","4","9","2","1") = "8"
    & skf18("6","9","7","4","9","3","1") = "8"
    & skf18("6","9","7","4","9","4","1") = "8"
    & skf18("6","9","7","4","9","5","1") = "8"
    & skf18("6","9","7","4","9","6","1") = "8"
    & skf18("6","9","7","4","9","7","1") = "8"
    & skf18("6","9","7","4","9","8","1") = "8"
    & skf18("6","9","7","4","9","9","1") = "8"
    & skf18("6","9","7","4","9","10","1") = "9"
    & skf18("6","9","7","4","10","1","1") = "9"
    & skf18("6","9","7","4","10","2","1") = "9"
    & skf18("6","9","7","4","10","3","1") = "9"
    & skf18("6","9","7","4","10","4","1") = "9"
    & skf18("6","9","7","4","10","5","1") = "9"
    & skf18("6","9","7","4","10","6","1") = "9"
    & skf18("6","9","7","4","10","7","1") = "9"
    & skf18("6","9","7","4","10","8","1") = "9"
    & skf18("6","9","7","4","10","9","1") = "9"
    & skf18("6","9","7","4","10","10","1") = "9"
    & skf18("6","9","7","5","1","1","1") = "8"
    & skf18("6","9","7","5","1","2","1") = "8"
    & skf18("6","9","7","5","1","3","1") = "8"
    & skf18("6","9","7","5","1","4","1") = "8"
    & skf18("6","9","7","5","1","5","1") = "8"
    & skf18("6","9","7","5","1","6","1") = "8"
    & skf18("6","9","7","5","1","7","1") = "8"
    & skf18("6","9","7","5","1","8","1") = "8"
    & skf18("6","9","7","5","1","9","1") = "8"
    & skf18("6","9","7","5","1","10","1") = "9"
    & skf18("6","9","7","5","2","1","1") = "8"
    & skf18("6","9","7","5","2","2","1") = "8"
    & skf18("6","9","7","5","2","3","1") = "8"
    & skf18("6","9","7","5","2","4","1") = "8"
    & skf18("6","9","7","5","2","5","1") = "8"
    & skf18("6","9","7","5","2","6","1") = "8"
    & skf18("6","9","7","5","2","7","1") = "8"
    & skf18("6","9","7","5","2","8","1") = "8"
    & skf18("6","9","7","5","2","9","1") = "8"
    & skf18("6","9","7","5","2","10","1") = "9"
    & skf18("6","9","7","5","3","1","1") = "8"
    & skf18("6","9","7","5","3","2","1") = "8"
    & skf18("6","9","7","5","3","3","1") = "8"
    & skf18("6","9","7","5","3","4","1") = "8"
    & skf18("6","9","7","5","3","5","1") = "8"
    & skf18("6","9","7","5","3","6","1") = "8"
    & skf18("6","9","7","5","3","7","1") = "8"
    & skf18("6","9","7","5","3","8","1") = "8"
    & skf18("6","9","7","5","3","9","1") = "8"
    & skf18("6","9","7","5","3","10","1") = "9"
    & skf18("6","9","7","5","4","1","1") = "8"
    & skf18("6","9","7","5","4","2","1") = "8"
    & skf18("6","9","7","5","4","3","1") = "8"
    & skf18("6","9","7","5","4","4","1") = "8"
    & skf18("6","9","7","5","4","5","1") = "8"
    & skf18("6","9","7","5","4","6","1") = "8"
    & skf18("6","9","7","5","4","7","1") = "8"
    & skf18("6","9","7","5","4","8","1") = "8"
    & skf18("6","9","7","5","4","9","1") = "8"
    & skf18("6","9","7","5","4","10","1") = "9"
    & skf18("6","9","7","5","5","1","1") = "8"
    & skf18("6","9","7","5","5","2","1") = "8"
    & skf18("6","9","7","5","5","3","1") = "8"
    & skf18("6","9","7","5","5","4","1") = "8"
    & skf18("6","9","7","5","5","5","1") = "8"
    & skf18("6","9","7","5","5","6","1") = "8"
    & skf18("6","9","7","5","5","7","1") = "8"
    & skf18("6","9","7","5","5","8","1") = "8"
    & skf18("6","9","7","5","5","9","1") = "8"
    & skf18("6","9","7","5","5","10","1") = "9"
    & skf18("6","9","7","5","6","1","1") = "8"
    & skf18("6","9","7","5","6","2","1") = "8"
    & skf18("6","9","7","5","6","3","1") = "8"
    & skf18("6","9","7","5","6","4","1") = "8"
    & skf18("6","9","7","5","6","5","1") = "8"
    & skf18("6","9","7","5","6","6","1") = "8"
    & skf18("6","9","7","5","6","7","1") = "8"
    & skf18("6","9","7","5","6","8","1") = "8"
    & skf18("6","9","7","5","6","9","1") = "8"
    & skf18("6","9","7","5","6","10","1") = "9"
    & skf18("6","9","7","5","7","1","1") = "8"
    & skf18("6","9","7","5","7","2","1") = "8"
    & skf18("6","9","7","5","7","3","1") = "8"
    & skf18("6","9","7","5","7","4","1") = "8"
    & skf18("6","9","7","5","7","5","1") = "8"
    & skf18("6","9","7","5","7","6","1") = "8"
    & skf18("6","9","7","5","7","7","1") = "8"
    & skf18("6","9","7","5","7","8","1") = "8"
    & skf18("6","9","7","5","7","9","1") = "8"
    & skf18("6","9","7","5","7","10","1") = "9"
    & skf18("6","9","7","5","8","1","1") = "8"
    & skf18("6","9","7","5","8","2","1") = "8"
    & skf18("6","9","7","5","8","3","1") = "8"
    & skf18("6","9","7","5","8","4","1") = "8"
    & skf18("6","9","7","5","8","5","1") = "8"
    & skf18("6","9","7","5","8","6","1") = "8"
    & skf18("6","9","7","5","8","7","1") = "8"
    & skf18("6","9","7","5","8","8","1") = "8"
    & skf18("6","9","7","5","8","9","1") = "8"
    & skf18("6","9","7","5","8","10","1") = "9"
    & skf18("6","9","7","5","9","1","1") = "8"
    & skf18("6","9","7","5","9","2","1") = "8"
    & skf18("6","9","7","5","9","3","1") = "8"
    & skf18("6","9","7","5","9","4","1") = "8"
    & skf18("6","9","7","5","9","5","1") = "8"
    & skf18("6","9","7","5","9","6","1") = "8"
    & skf18("6","9","7","5","9","7","1") = "8"
    & skf18("6","9","7","5","9","8","1") = "8"
    & skf18("6","9","7","5","9","9","1") = "8"
    & skf18("6","9","7","5","9","10","1") = "9"
    & skf18("6","9","7","5","10","1","1") = "9"
    & skf18("6","9","7","5","10","2","1") = "9"
    & skf18("6","9","7","5","10","3","1") = "9"
    & skf18("6","9","7","5","10","4","1") = "9"
    & skf18("6","9","7","5","10","5","1") = "9"
    & skf18("6","9","7","5","10","6","1") = "9"
    & skf18("6","9","7","5","10","7","1") = "9"
    & skf18("6","9","7","5","10","8","1") = "9"
    & skf18("6","9","7","5","10","9","1") = "9"
    & skf18("6","9","7","5","10","10","1") = "9"
    & skf18("6","9","7","6","1","1","1") = "8"
    & skf18("6","9","7","6","1","2","1") = "8"
    & skf18("6","9","7","6","1","3","1") = "8"
    & skf18("6","9","7","6","1","4","1") = "8"
    & skf18("6","9","7","6","1","5","1") = "8"
    & skf18("6","9","7","6","1","6","1") = "8"
    & skf18("6","9","7","6","1","7","1") = "8"
    & skf18("6","9","7","6","1","8","1") = "8"
    & skf18("6","9","7","6","1","9","1") = "8"
    & skf18("6","9","7","6","1","10","1") = "9"
    & skf18("6","9","7","6","2","1","1") = "8"
    & skf18("6","9","7","6","2","2","1") = "8"
    & skf18("6","9","7","6","2","3","1") = "8"
    & skf18("6","9","7","6","2","4","1") = "8"
    & skf18("6","9","7","6","2","5","1") = "8"
    & skf18("6","9","7","6","2","6","1") = "8"
    & skf18("6","9","7","6","2","7","1") = "8"
    & skf18("6","9","7","6","2","8","1") = "8"
    & skf18("6","9","7","6","2","9","1") = "8"
    & skf18("6","9","7","6","2","10","1") = "9"
    & skf18("6","9","7","6","3","1","1") = "8"
    & skf18("6","9","7","6","3","2","1") = "8"
    & skf18("6","9","7","6","3","3","1") = "8"
    & skf18("6","9","7","6","3","4","1") = "8"
    & skf18("6","9","7","6","3","5","1") = "8"
    & skf18("6","9","7","6","3","6","1") = "8"
    & skf18("6","9","7","6","3","7","1") = "8"
    & skf18("6","9","7","6","3","8","1") = "8"
    & skf18("6","9","7","6","3","9","1") = "8"
    & skf18("6","9","7","6","3","10","1") = "9"
    & skf18("6","9","7","6","4","1","1") = "8"
    & skf18("6","9","7","6","4","2","1") = "8"
    & skf18("6","9","7","6","4","3","1") = "8"
    & skf18("6","9","7","6","4","4","1") = "8"
    & skf18("6","9","7","6","4","5","1") = "8"
    & skf18("6","9","7","6","4","6","1") = "8"
    & skf18("6","9","7","6","4","7","1") = "8"
    & skf18("6","9","7","6","4","8","1") = "8"
    & skf18("6","9","7","6","4","9","1") = "8"
    & skf18("6","9","7","6","4","10","1") = "9"
    & skf18("6","9","7","6","5","1","1") = "8"
    & skf18("6","9","7","6","5","2","1") = "8"
    & skf18("6","9","7","6","5","3","1") = "8"
    & skf18("6","9","7","6","5","4","1") = "8"
    & skf18("6","9","7","6","5","5","1") = "8"
    & skf18("6","9","7","6","5","6","1") = "8"
    & skf18("6","9","7","6","5","7","1") = "8"
    & skf18("6","9","7","6","5","8","1") = "8"
    & skf18("6","9","7","6","5","9","1") = "8"
    & skf18("6","9","7","6","5","10","1") = "9"
    & skf18("6","9","7","6","6","1","1") = "8"
    & skf18("6","9","7","6","6","2","1") = "8"
    & skf18("6","9","7","6","6","3","1") = "8"
    & skf18("6","9","7","6","6","4","1") = "8"
    & skf18("6","9","7","6","6","5","1") = "8"
    & skf18("6","9","7","6","6","6","1") = "8"
    & skf18("6","9","7","6","6","7","1") = "8"
    & skf18("6","9","7","6","6","8","1") = "8"
    & skf18("6","9","7","6","6","9","1") = "8"
    & skf18("6","9","7","6","6","10","1") = "9"
    & skf18("6","9","7","6","7","1","1") = "8"
    & skf18("6","9","7","6","7","2","1") = "8"
    & skf18("6","9","7","6","7","3","1") = "8"
    & skf18("6","9","7","6","7","4","1") = "8"
    & skf18("6","9","7","6","7","5","1") = "8"
    & skf18("6","9","7","6","7","6","1") = "8"
    & skf18("6","9","7","6","7","7","1") = "8"
    & skf18("6","9","7","6","7","8","1") = "8"
    & skf18("6","9","7","6","7","9","1") = "8"
    & skf18("6","9","7","6","7","10","1") = "9"
    & skf18("6","9","7","6","8","1","1") = "8"
    & skf18("6","9","7","6","8","2","1") = "8"
    & skf18("6","9","7","6","8","3","1") = "8"
    & skf18("6","9","7","6","8","4","1") = "8"
    & skf18("6","9","7","6","8","5","1") = "8"
    & skf18("6","9","7","6","8","6","1") = "8"
    & skf18("6","9","7","6","8","7","1") = "8"
    & skf18("6","9","7","6","8","8","1") = "8"
    & skf18("6","9","7","6","8","9","1") = "8"
    & skf18("6","9","7","6","8","10","1") = "9"
    & skf18("6","9","7","6","9","1","1") = "8"
    & skf18("6","9","7","6","9","2","1") = "8"
    & skf18("6","9","7","6","9","3","1") = "8"
    & skf18("6","9","7","6","9","4","1") = "8"
    & skf18("6","9","7","6","9","5","1") = "8"
    & skf18("6","9","7","6","9","6","1") = "8"
    & skf18("6","9","7","6","9","7","1") = "8"
    & skf18("6","9","7","6","9","8","1") = "8"
    & skf18("6","9","7","6","9","9","1") = "8"
    & skf18("6","9","7","6","9","10","1") = "9"
    & skf18("6","9","7","6","10","1","1") = "9"
    & skf18("6","9","7","6","10","2","1") = "9"
    & skf18("6","9","7","6","10","3","1") = "9"
    & skf18("6","9","7","6","10","4","1") = "9"
    & skf18("6","9","7","6","10","5","1") = "9"
    & skf18("6","9","7","6","10","6","1") = "9"
    & skf18("6","9","7","6","10","7","1") = "9"
    & skf18("6","9","7","6","10","8","1") = "9"
    & skf18("6","9","7","6","10","9","1") = "9"
    & skf18("6","9","7","6","10","10","1") = "9"
    & skf18("6","9","7","7","1","1","1") = "8"
    & skf18("6","9","7","7","1","2","1") = "8"
    & skf18("6","9","7","7","1","3","1") = "8"
    & skf18("6","9","7","7","1","4","1") = "8"
    & skf18("6","9","7","7","1","5","1") = "8"
    & skf18("6","9","7","7","1","6","1") = "8"
    & skf18("6","9","7","7","1","7","1") = "8"
    & skf18("6","9","7","7","1","8","1") = "8"
    & skf18("6","9","7","7","1","9","1") = "8"
    & skf18("6","9","7","7","1","10","1") = "9"
    & skf18("6","9","7","7","2","1","1") = "8"
    & skf18("6","9","7","7","2","2","1") = "8"
    & skf18("6","9","7","7","2","3","1") = "8"
    & skf18("6","9","7","7","2","4","1") = "8"
    & skf18("6","9","7","7","2","5","1") = "8"
    & skf18("6","9","7","7","2","6","1") = "8"
    & skf18("6","9","7","7","2","7","1") = "8"
    & skf18("6","9","7","7","2","8","1") = "8"
    & skf18("6","9","7","7","2","9","1") = "8"
    & skf18("6","9","7","7","2","10","1") = "9"
    & skf18("6","9","7","7","3","1","1") = "8"
    & skf18("6","9","7","7","3","2","1") = "8"
    & skf18("6","9","7","7","3","3","1") = "8"
    & skf18("6","9","7","7","3","4","1") = "8"
    & skf18("6","9","7","7","3","5","1") = "8"
    & skf18("6","9","7","7","3","6","1") = "8"
    & skf18("6","9","7","7","3","7","1") = "8"
    & skf18("6","9","7","7","3","8","1") = "8"
    & skf18("6","9","7","7","3","9","1") = "8"
    & skf18("6","9","7","7","3","10","1") = "9"
    & skf18("6","9","7","7","4","1","1") = "8"
    & skf18("6","9","7","7","4","2","1") = "8"
    & skf18("6","9","7","7","4","3","1") = "8"
    & skf18("6","9","7","7","4","4","1") = "8"
    & skf18("6","9","7","7","4","5","1") = "8"
    & skf18("6","9","7","7","4","6","1") = "8"
    & skf18("6","9","7","7","4","7","1") = "8"
    & skf18("6","9","7","7","4","8","1") = "8"
    & skf18("6","9","7","7","4","9","1") = "8"
    & skf18("6","9","7","7","4","10","1") = "9"
    & skf18("6","9","7","7","5","1","1") = "8"
    & skf18("6","9","7","7","5","2","1") = "8"
    & skf18("6","9","7","7","5","3","1") = "8"
    & skf18("6","9","7","7","5","4","1") = "8"
    & skf18("6","9","7","7","5","5","1") = "8"
    & skf18("6","9","7","7","5","6","1") = "8"
    & skf18("6","9","7","7","5","7","1") = "8"
    & skf18("6","9","7","7","5","8","1") = "8"
    & skf18("6","9","7","7","5","9","1") = "8"
    & skf18("6","9","7","7","5","10","1") = "9"
    & skf18("6","9","7","7","6","1","1") = "8"
    & skf18("6","9","7","7","6","2","1") = "8"
    & skf18("6","9","7","7","6","3","1") = "8"
    & skf18("6","9","7","7","6","4","1") = "8"
    & skf18("6","9","7","7","6","5","1") = "8"
    & skf18("6","9","7","7","6","6","1") = "8"
    & skf18("6","9","7","7","6","7","1") = "8"
    & skf18("6","9","7","7","6","8","1") = "8"
    & skf18("6","9","7","7","6","9","1") = "8"
    & skf18("6","9","7","7","6","10","1") = "9"
    & skf18("6","9","7","7","7","1","1") = "8"
    & skf18("6","9","7","7","7","2","1") = "8"
    & skf18("6","9","7","7","7","3","1") = "8"
    & skf18("6","9","7","7","7","4","1") = "8"
    & skf18("6","9","7","7","7","5","1") = "8"
    & skf18("6","9","7","7","7","6","1") = "8"
    & skf18("6","9","7","7","7","7","1") = "8"
    & skf18("6","9","7","7","7","8","1") = "8"
    & skf18("6","9","7","7","7","9","1") = "8"
    & skf18("6","9","7","7","7","10","1") = "9"
    & skf18("6","9","7","7","8","1","1") = "8"
    & skf18("6","9","7","7","8","2","1") = "8"
    & skf18("6","9","7","7","8","3","1") = "8"
    & skf18("6","9","7","7","8","4","1") = "8"
    & skf18("6","9","7","7","8","5","1") = "8"
    & skf18("6","9","7","7","8","6","1") = "8"
    & skf18("6","9","7","7","8","7","1") = "8"
    & skf18("6","9","7","7","8","8","1") = "8"
    & skf18("6","9","7","7","8","9","1") = "8"
    & skf18("6","9","7","7","8","10","1") = "9"
    & skf18("6","9","7","7","9","1","1") = "8"
    & skf18("6","9","7","7","9","2","1") = "8"
    & skf18("6","9","7","7","9","3","1") = "8"
    & skf18("6","9","7","7","9","4","1") = "8"
    & skf18("6","9","7","7","9","5","1") = "8"
    & skf18("6","9","7","7","9","6","1") = "8"
    & skf18("6","9","7","7","9","7","1") = "8"
    & skf18("6","9","7","7","9","8","1") = "8"
    & skf18("6","9","7","7","9","9","1") = "8"
    & skf18("6","9","7","7","9","10","1") = "9"
    & skf18("6","9","7","7","10","1","1") = "9"
    & skf18("6","9","7","7","10","2","1") = "9"
    & skf18("6","9","7","7","10","3","1") = "9"
    & skf18("6","9","7","7","10","4","1") = "9"
    & skf18("6","9","7","7","10","5","1") = "9"
    & skf18("6","9","7","7","10","6","1") = "9"
    & skf18("6","9","7","7","10","7","1") = "9"
    & skf18("6","9","7","7","10","8","1") = "9"
    & skf18("6","9","7","7","10","9","1") = "9"
    & skf18("6","9","7","7","10","10","1") = "9"
    & skf18("6","9","7","8","1","1","1") = "8"
    & skf18("6","9","7","8","1","2","1") = "8"
    & skf18("6","9","7","8","1","3","1") = "8"
    & skf18("6","9","7","8","1","4","1") = "8"
    & skf18("6","9","7","8","1","5","1") = "8"
    & skf18("6","9","7","8","1","6","1") = "8"
    & skf18("6","9","7","8","1","7","1") = "8"
    & skf18("6","9","7","8","1","8","1") = "8"
    & skf18("6","9","7","8","1","9","1") = "8"
    & skf18("6","9","7","8","1","10","1") = "9"
    & skf18("6","9","7","8","2","1","1") = "8"
    & skf18("6","9","7","8","2","2","1") = "8"
    & skf18("6","9","7","8","2","3","1") = "8"
    & skf18("6","9","7","8","2","4","1") = "8"
    & skf18("6","9","7","8","2","5","1") = "8"
    & skf18("6","9","7","8","2","6","1") = "8"
    & skf18("6","9","7","8","2","7","1") = "8"
    & skf18("6","9","7","8","2","8","1") = "8"
    & skf18("6","9","7","8","2","9","1") = "8"
    & skf18("6","9","7","8","2","10","1") = "9"
    & skf18("6","9","7","8","3","1","1") = "8"
    & skf18("6","9","7","8","3","2","1") = "8"
    & skf18("6","9","7","8","3","3","1") = "8"
    & skf18("6","9","7","8","3","4","1") = "8"
    & skf18("6","9","7","8","3","5","1") = "8"
    & skf18("6","9","7","8","3","6","1") = "8"
    & skf18("6","9","7","8","3","7","1") = "8"
    & skf18("6","9","7","8","3","8","1") = "8"
    & skf18("6","9","7","8","3","9","1") = "8"
    & skf18("6","9","7","8","3","10","1") = "9"
    & skf18("6","9","7","8","4","1","1") = "8"
    & skf18("6","9","7","8","4","2","1") = "8"
    & skf18("6","9","7","8","4","3","1") = "8"
    & skf18("6","9","7","8","4","4","1") = "8"
    & skf18("6","9","7","8","4","5","1") = "8"
    & skf18("6","9","7","8","4","6","1") = "8"
    & skf18("6","9","7","8","4","7","1") = "8"
    & skf18("6","9","7","8","4","8","1") = "8"
    & skf18("6","9","7","8","4","9","1") = "8"
    & skf18("6","9","7","8","4","10","1") = "9"
    & skf18("6","9","7","8","5","1","1") = "8"
    & skf18("6","9","7","8","5","2","1") = "8"
    & skf18("6","9","7","8","5","3","1") = "8"
    & skf18("6","9","7","8","5","4","1") = "8"
    & skf18("6","9","7","8","5","5","1") = "8"
    & skf18("6","9","7","8","5","6","1") = "8"
    & skf18("6","9","7","8","5","7","1") = "8"
    & skf18("6","9","7","8","5","8","1") = "8"
    & skf18("6","9","7","8","5","9","1") = "8"
    & skf18("6","9","7","8","5","10","1") = "9"
    & skf18("6","9","7","8","6","1","1") = "8"
    & skf18("6","9","7","8","6","2","1") = "8"
    & skf18("6","9","7","8","6","3","1") = "8"
    & skf18("6","9","7","8","6","4","1") = "8"
    & skf18("6","9","7","8","6","5","1") = "8"
    & skf18("6","9","7","8","6","6","1") = "8"
    & skf18("6","9","7","8","6","7","1") = "8"
    & skf18("6","9","7","8","6","8","1") = "8"
    & skf18("6","9","7","8","6","9","1") = "8"
    & skf18("6","9","7","8","6","10","1") = "9"
    & skf18("6","9","7","8","7","1","1") = "8"
    & skf18("6","9","7","8","7","2","1") = "8"
    & skf18("6","9","7","8","7","3","1") = "8"
    & skf18("6","9","7","8","7","4","1") = "8"
    & skf18("6","9","7","8","7","5","1") = "8"
    & skf18("6","9","7","8","7","6","1") = "8"
    & skf18("6","9","7","8","7","7","1") = "8"
    & skf18("6","9","7","8","7","8","1") = "8"
    & skf18("6","9","7","8","7","9","1") = "8"
    & skf18("6","9","7","8","7","10","1") = "9"
    & skf18("6","9","7","8","8","1","1") = "8"
    & skf18("6","9","7","8","8","2","1") = "8"
    & skf18("6","9","7","8","8","3","1") = "8"
    & skf18("6","9","7","8","8","4","1") = "8"
    & skf18("6","9","7","8","8","5","1") = "8"
    & skf18("6","9","7","8","8","6","1") = "8"
    & skf18("6","9","7","8","8","7","1") = "8"
    & skf18("6","9","7","8","8","8","1") = "8"
    & skf18("6","9","7","8","8","9","1") = "8"
    & skf18("6","9","7","8","8","10","1") = "9"
    & skf18("6","9","7","8","9","1","1") = "8"
    & skf18("6","9","7","8","9","2","1") = "8"
    & skf18("6","9","7","8","9","3","1") = "8"
    & skf18("6","9","7","8","9","4","1") = "8"
    & skf18("6","9","7","8","9","5","1") = "8"
    & skf18("6","9","7","8","9","6","1") = "8"
    & skf18("6","9","7","8","9","7","1") = "8"
    & skf18("6","9","7","8","9","8","1") = "8"
    & skf18("6","9","7","8","9","9","1") = "8"
    & skf18("6","9","7","8","9","10","1") = "9"
    & skf18("6","9","7","8","10","1","1") = "9"
    & skf18("6","9","7","8","10","2","1") = "9"
    & skf18("6","9","7","8","10","3","1") = "9"
    & skf18("6","9","7","8","10","4","1") = "9"
    & skf18("6","9","7","8","10","5","1") = "9"
    & skf18("6","9","7","8","10","6","1") = "9"
    & skf18("6","9","7","8","10","7","1") = "9"
    & skf18("6","9","7","8","10","8","1") = "9"
    & skf18("6","9","7","8","10","9","1") = "9"
    & skf18("6","9","7","8","10","10","1") = "9"
    & skf18("6","9","7","9","1","1","1") = "8"
    & skf18("6","9","7","9","1","2","1") = "8"
    & skf18("6","9","7","9","1","3","1") = "8"
    & skf18("6","9","7","9","1","4","1") = "8"
    & skf18("6","9","7","9","1","5","1") = "8"
    & skf18("6","9","7","9","1","6","1") = "8"
    & skf18("6","9","7","9","1","7","1") = "8"
    & skf18("6","9","7","9","1","8","1") = "8"
    & skf18("6","9","7","9","1","9","1") = "8"
    & skf18("6","9","7","9","1","10","1") = "9"
    & skf18("6","9","7","9","2","1","1") = "8"
    & skf18("6","9","7","9","2","2","1") = "8"
    & skf18("6","9","7","9","2","3","1") = "8"
    & skf18("6","9","7","9","2","4","1") = "8"
    & skf18("6","9","7","9","2","5","1") = "8"
    & skf18("6","9","7","9","2","6","1") = "8"
    & skf18("6","9","7","9","2","7","1") = "8"
    & skf18("6","9","7","9","2","8","1") = "8"
    & skf18("6","9","7","9","2","9","1") = "8"
    & skf18("6","9","7","9","2","10","1") = "9"
    & skf18("6","9","7","9","3","1","1") = "8"
    & skf18("6","9","7","9","3","2","1") = "8"
    & skf18("6","9","7","9","3","3","1") = "8"
    & skf18("6","9","7","9","3","4","1") = "8"
    & skf18("6","9","7","9","3","5","1") = "8"
    & skf18("6","9","7","9","3","6","1") = "8"
    & skf18("6","9","7","9","3","7","1") = "8"
    & skf18("6","9","7","9","3","8","1") = "8"
    & skf18("6","9","7","9","3","9","1") = "8"
    & skf18("6","9","7","9","3","10","1") = "9"
    & skf18("6","9","7","9","4","1","1") = "8"
    & skf18("6","9","7","9","4","2","1") = "8"
    & skf18("6","9","7","9","4","3","1") = "8"
    & skf18("6","9","7","9","4","4","1") = "8"
    & skf18("6","9","7","9","4","5","1") = "8"
    & skf18("6","9","7","9","4","6","1") = "8"
    & skf18("6","9","7","9","4","7","1") = "8"
    & skf18("6","9","7","9","4","8","1") = "8"
    & skf18("6","9","7","9","4","9","1") = "8"
    & skf18("6","9","7","9","4","10","1") = "9"
    & skf18("6","9","7","9","5","1","1") = "8"
    & skf18("6","9","7","9","5","2","1") = "8"
    & skf18("6","9","7","9","5","3","1") = "8"
    & skf18("6","9","7","9","5","4","1") = "8"
    & skf18("6","9","7","9","5","5","1") = "8"
    & skf18("6","9","7","9","5","6","1") = "8"
    & skf18("6","9","7","9","5","7","1") = "8"
    & skf18("6","9","7","9","5","8","1") = "8"
    & skf18("6","9","7","9","5","9","1") = "8"
    & skf18("6","9","7","9","5","10","1") = "9"
    & skf18("6","9","7","9","6","1","1") = "8"
    & skf18("6","9","7","9","6","2","1") = "8"
    & skf18("6","9","7","9","6","3","1") = "8"
    & skf18("6","9","7","9","6","4","1") = "8"
    & skf18("6","9","7","9","6","5","1") = "8"
    & skf18("6","9","7","9","6","6","1") = "8"
    & skf18("6","9","7","9","6","7","1") = "8"
    & skf18("6","9","7","9","6","8","1") = "8"
    & skf18("6","9","7","9","6","9","1") = "8"
    & skf18("6","9","7","9","6","10","1") = "9"
    & skf18("6","9","7","9","7","1","1") = "8"
    & skf18("6","9","7","9","7","2","1") = "8"
    & skf18("6","9","7","9","7","3","1") = "8"
    & skf18("6","9","7","9","7","4","1") = "8"
    & skf18("6","9","7","9","7","5","1") = "8"
    & skf18("6","9","7","9","7","6","1") = "8"
    & skf18("6","9","7","9","7","7","1") = "8"
    & skf18("6","9","7","9","7","8","1") = "8"
    & skf18("6","9","7","9","7","9","1") = "8"
    & skf18("6","9","7","9","7","10","1") = "9"
    & skf18("6","9","7","9","8","1","1") = "8"
    & skf18("6","9","7","9","8","2","1") = "8"
    & skf18("6","9","7","9","8","3","1") = "8"
    & skf18("6","9","7","9","8","4","1") = "8"
    & skf18("6","9","7","9","8","5","1") = "8"
    & skf18("6","9","7","9","8","6","1") = "8"
    & skf18("6","9","7","9","8","7","1") = "8"
    & skf18("6","9","7","9","8","8","1") = "8"
    & skf18("6","9","7","9","8","9","1") = "8"
    & skf18("6","9","7","9","8","10","1") = "9"
    & skf18("6","9","7","9","9","1","1") = "8"
    & skf18("6","9","7","9","9","2","1") = "8"
    & skf18("6","9","7","9","9","3","1") = "8"
    & skf18("6","9","7","9","9","4","1") = "8"
    & skf18("6","9","7","9","9","5","1") = "8"
    & skf18("6","9","7","9","9","6","1") = "8"
    & skf18("6","9","7","9","9","7","1") = "8"
    & skf18("6","9","7","9","9","8","1") = "8"
    & skf18("6","9","7","9","9","9","1") = "8"
    & skf18("6","9","7","9","9","10","1") = "9"
    & skf18("6","9","7","9","10","1","1") = "9"
    & skf18("6","9","7","9","10","2","1") = "9"
    & skf18("6","9","7","9","10","3","1") = "9"
    & skf18("6","9","7","9","10","4","1") = "9"
    & skf18("6","9","7","9","10","5","1") = "9"
    & skf18("6","9","7","9","10","6","1") = "9"
    & skf18("6","9","7","9","10","7","1") = "9"
    & skf18("6","9","7","9","10","8","1") = "9"
    & skf18("6","9","7","9","10","9","1") = "9"
    & skf18("6","9","7","9","10","10","1") = "9"
    & skf18("6","9","7","10","1","1","1") = "9"
    & skf18("6","9","7","10","1","2","1") = "9"
    & skf18("6","9","7","10","1","3","1") = "9"
    & skf18("6","9","7","10","1","4","1") = "9"
    & skf18("6","9","7","10","1","5","1") = "9"
    & skf18("6","9","7","10","1","6","1") = "9"
    & skf18("6","9","7","10","1","7","1") = "9"
    & skf18("6","9","7","10","1","8","1") = "9"
    & skf18("6","9","7","10","1","9","1") = "9"
    & skf18("6","9","7","10","1","10","1") = "9"
    & skf18("6","9","7","10","2","1","1") = "9"
    & skf18("6","9","7","10","2","2","1") = "9"
    & skf18("6","9","7","10","2","3","1") = "9"
    & skf18("6","9","7","10","2","4","1") = "9"
    & skf18("6","9","7","10","2","5","1") = "9"
    & skf18("6","9","7","10","2","6","1") = "9"
    & skf18("6","9","7","10","2","7","1") = "9"
    & skf18("6","9","7","10","2","8","1") = "9"
    & skf18("6","9","7","10","2","9","1") = "9"
    & skf18("6","9","7","10","2","10","1") = "9"
    & skf18("6","9","7","10","3","1","1") = "9"
    & skf18("6","9","7","10","3","2","1") = "9"
    & skf18("6","9","7","10","3","3","1") = "9"
    & skf18("6","9","7","10","3","4","1") = "9"
    & skf18("6","9","7","10","3","5","1") = "9"
    & skf18("6","9","7","10","3","6","1") = "9"
    & skf18("6","9","7","10","3","7","1") = "9"
    & skf18("6","9","7","10","3","8","1") = "9"
    & skf18("6","9","7","10","3","9","1") = "9"
    & skf18("6","9","7","10","3","10","1") = "9"
    & skf18("6","9","7","10","4","1","1") = "9"
    & skf18("6","9","7","10","4","2","1") = "9"
    & skf18("6","9","7","10","4","3","1") = "9"
    & skf18("6","9","7","10","4","4","1") = "9"
    & skf18("6","9","7","10","4","5","1") = "9"
    & skf18("6","9","7","10","4","6","1") = "9"
    & skf18("6","9","7","10","4","7","1") = "9"
    & skf18("6","9","7","10","4","8","1") = "9"
    & skf18("6","9","7","10","4","9","1") = "9"
    & skf18("6","9","7","10","4","10","1") = "9"
    & skf18("6","9","7","10","5","1","1") = "9"
    & skf18("6","9","7","10","5","2","1") = "9"
    & skf18("6","9","7","10","5","3","1") = "9"
    & skf18("6","9","7","10","5","4","1") = "9"
    & skf18("6","9","7","10","5","5","1") = "9"
    & skf18("6","9","7","10","5","6","1") = "9"
    & skf18("6","9","7","10","5","7","1") = "9"
    & skf18("6","9","7","10","5","8","1") = "9"
    & skf18("6","9","7","10","5","9","1") = "9"
    & skf18("6","9","7","10","5","10","1") = "9"
    & skf18("6","9","7","10","6","1","1") = "9"
    & skf18("6","9","7","10","6","2","1") = "9"
    & skf18("6","9","7","10","6","3","1") = "9"
    & skf18("6","9","7","10","6","4","1") = "9"
    & skf18("6","9","7","10","6","5","1") = "9"
    & skf18("6","9","7","10","6","6","1") = "9"
    & skf18("6","9","7","10","6","7","1") = "9"
    & skf18("6","9","7","10","6","8","1") = "9"
    & skf18("6","9","7","10","6","9","1") = "9"
    & skf18("6","9","7","10","6","10","1") = "9"
    & skf18("6","9","7","10","7","1","1") = "9"
    & skf18("6","9","7","10","7","2","1") = "9"
    & skf18("6","9","7","10","7","3","1") = "9"
    & skf18("6","9","7","10","7","4","1") = "9"
    & skf18("6","9","7","10","7","5","1") = "9"
    & skf18("6","9","7","10","7","6","1") = "9"
    & skf18("6","9","7","10","7","7","1") = "9"
    & skf18("6","9","7","10","7","8","1") = "9"
    & skf18("6","9","7","10","7","9","1") = "9"
    & skf18("6","9","7","10","7","10","1") = "9"
    & skf18("6","9","7","10","8","1","1") = "9"
    & skf18("6","9","7","10","8","2","1") = "9"
    & skf18("6","9","7","10","8","3","1") = "9"
    & skf18("6","9","7","10","8","4","1") = "9"
    & skf18("6","9","7","10","8","5","1") = "9"
    & skf18("6","9","7","10","8","6","1") = "9"
    & skf18("6","9","7","10","8","7","1") = "9"
    & skf18("6","9","7","10","8","8","1") = "9"
    & skf18("6","9","7","10","8","9","1") = "9"
    & skf18("6","9","7","10","8","10","1") = "9"
    & skf18("6","9","7","10","9","1","1") = "9"
    & skf18("6","9","7","10","9","2","1") = "9"
    & skf18("6","9","7","10","9","3","1") = "9"
    & skf18("6","9","7","10","9","4","1") = "9"
    & skf18("6","9","7","10","9","5","1") = "9"
    & skf18("6","9","7","10","9","6","1") = "9"
    & skf18("6","9","7","10","9","7","1") = "9"
    & skf18("6","9","7","10","9","8","1") = "9"
    & skf18("6","9","7","10","9","9","1") = "9"
    & skf18("6","9","7","10","9","10","1") = "9"
    & skf18("6","9","7","10","10","1","1") = "9"
    & skf18("6","9","7","10","10","2","1") = "9"
    & skf18("6","9","7","10","10","3","1") = "9"
    & skf18("6","9","7","10","10","4","1") = "9"
    & skf18("6","9","7","10","10","5","1") = "9"
    & skf18("6","9","7","10","10","6","1") = "9"
    & skf18("6","9","7","10","10","7","1") = "9"
    & skf18("6","9","7","10","10","8","1") = "9"
    & skf18("6","9","7","10","10","9","1") = "9"
    & skf18("6","9","7","10","10","10","1") = "9"
    & skf18("6","9","8","1","1","1","1") = "8"
    & skf18("6","9","8","1","1","2","1") = "8"
    & skf18("6","9","8","1","1","3","1") = "8"
    & skf18("6","9","8","1","1","4","1") = "8"
    & skf18("6","9","8","1","1","5","1") = "8"
    & skf18("6","9","8","1","1","6","1") = "8"
    & skf18("6","9","8","1","1","7","1") = "8"
    & skf18("6","9","8","1","1","8","1") = "8"
    & skf18("6","9","8","1","1","9","1") = "8"
    & skf18("6","9","8","1","1","10","1") = "9"
    & skf18("6","9","8","1","2","1","1") = "8"
    & skf18("6","9","8","1","2","2","1") = "8"
    & skf18("6","9","8","1","2","3","1") = "8"
    & skf18("6","9","8","1","2","4","1") = "8"
    & skf18("6","9","8","1","2","5","1") = "8"
    & skf18("6","9","8","1","2","6","1") = "8"
    & skf18("6","9","8","1","2","7","1") = "8"
    & skf18("6","9","8","1","2","8","1") = "8"
    & skf18("6","9","8","1","2","9","1") = "8"
    & skf18("6","9","8","1","2","10","1") = "9"
    & skf18("6","9","8","1","3","1","1") = "8"
    & skf18("6","9","8","1","3","2","1") = "8"
    & skf18("6","9","8","1","3","3","1") = "8"
    & skf18("6","9","8","1","3","4","1") = "8"
    & skf18("6","9","8","1","3","5","1") = "8"
    & skf18("6","9","8","1","3","6","1") = "8"
    & skf18("6","9","8","1","3","7","1") = "8"
    & skf18("6","9","8","1","3","8","1") = "8"
    & skf18("6","9","8","1","3","9","1") = "8"
    & skf18("6","9","8","1","3","10","1") = "9"
    & skf18("6","9","8","1","4","1","1") = "8"
    & skf18("6","9","8","1","4","2","1") = "8"
    & skf18("6","9","8","1","4","3","1") = "8"
    & skf18("6","9","8","1","4","4","1") = "8"
    & skf18("6","9","8","1","4","5","1") = "8"
    & skf18("6","9","8","1","4","6","1") = "8"
    & skf18("6","9","8","1","4","7","1") = "8"
    & skf18("6","9","8","1","4","8","1") = "8"
    & skf18("6","9","8","1","4","9","1") = "8"
    & skf18("6","9","8","1","4","10","1") = "9"
    & skf18("6","9","8","1","5","1","1") = "8"
    & skf18("6","9","8","1","5","2","1") = "8"
    & skf18("6","9","8","1","5","3","1") = "8"
    & skf18("6","9","8","1","5","4","1") = "8"
    & skf18("6","9","8","1","5","5","1") = "8"
    & skf18("6","9","8","1","5","6","1") = "8"
    & skf18("6","9","8","1","5","7","1") = "8"
    & skf18("6","9","8","1","5","8","1") = "8"
    & skf18("6","9","8","1","5","9","1") = "8"
    & skf18("6","9","8","1","5","10","1") = "9"
    & skf18("6","9","8","1","6","1","1") = "8"
    & skf18("6","9","8","1","6","2","1") = "8"
    & skf18("6","9","8","1","6","3","1") = "8"
    & skf18("6","9","8","1","6","4","1") = "8"
    & skf18("6","9","8","1","6","5","1") = "8"
    & skf18("6","9","8","1","6","6","1") = "8"
    & skf18("6","9","8","1","6","7","1") = "8"
    & skf18("6","9","8","1","6","8","1") = "8"
    & skf18("6","9","8","1","6","9","1") = "8"
    & skf18("6","9","8","1","6","10","1") = "9"
    & skf18("6","9","8","1","7","1","1") = "8"
    & skf18("6","9","8","1","7","2","1") = "8"
    & skf18("6","9","8","1","7","3","1") = "8"
    & skf18("6","9","8","1","7","4","1") = "8"
    & skf18("6","9","8","1","7","5","1") = "8"
    & skf18("6","9","8","1","7","6","1") = "8"
    & skf18("6","9","8","1","7","7","1") = "8"
    & skf18("6","9","8","1","7","8","1") = "8"
    & skf18("6","9","8","1","7","9","1") = "8"
    & skf18("6","9","8","1","7","10","1") = "9"
    & skf18("6","9","8","1","8","1","1") = "8"
    & skf18("6","9","8","1","8","2","1") = "8"
    & skf18("6","9","8","1","8","3","1") = "8"
    & skf18("6","9","8","1","8","4","1") = "8"
    & skf18("6","9","8","1","8","5","1") = "8"
    & skf18("6","9","8","1","8","6","1") = "8"
    & skf18("6","9","8","1","8","7","1") = "8"
    & skf18("6","9","8","1","8","8","1") = "8"
    & skf18("6","9","8","1","8","9","1") = "8"
    & skf18("6","9","8","1","8","10","1") = "9"
    & skf18("6","9","8","1","9","1","1") = "8"
    & skf18("6","9","8","1","9","2","1") = "8"
    & skf18("6","9","8","1","9","3","1") = "8"
    & skf18("6","9","8","1","9","4","1") = "8"
    & skf18("6","9","8","1","9","5","1") = "8"
    & skf18("6","9","8","1","9","6","1") = "8"
    & skf18("6","9","8","1","9","7","1") = "8"
    & skf18("6","9","8","1","9","8","1") = "8"
    & skf18("6","9","8","1","9","9","1") = "8"
    & skf18("6","9","8","1","9","10","1") = "9"
    & skf18("6","9","8","1","10","1","1") = "9"
    & skf18("6","9","8","1","10","2","1") = "9"
    & skf18("6","9","8","1","10","3","1") = "9"
    & skf18("6","9","8","1","10","4","1") = "9"
    & skf18("6","9","8","1","10","5","1") = "9"
    & skf18("6","9","8","1","10","6","1") = "9"
    & skf18("6","9","8","1","10","7","1") = "9"
    & skf18("6","9","8","1","10","8","1") = "9"
    & skf18("6","9","8","1","10","9","1") = "9"
    & skf18("6","9","8","1","10","10","1") = "9"
    & skf18("6","9","8","2","1","1","1") = "8"
    & skf18("6","9","8","2","1","2","1") = "8"
    & skf18("6","9","8","2","1","3","1") = "8"
    & skf18("6","9","8","2","1","4","1") = "8"
    & skf18("6","9","8","2","1","5","1") = "8"
    & skf18("6","9","8","2","1","6","1") = "8"
    & skf18("6","9","8","2","1","7","1") = "8"
    & skf18("6","9","8","2","1","8","1") = "8"
    & skf18("6","9","8","2","1","9","1") = "8"
    & skf18("6","9","8","2","1","10","1") = "9"
    & skf18("6","9","8","2","2","1","1") = "8"
    & skf18("6","9","8","2","2","2","1") = "8"
    & skf18("6","9","8","2","2","3","1") = "8"
    & skf18("6","9","8","2","2","4","1") = "8"
    & skf18("6","9","8","2","2","5","1") = "8"
    & skf18("6","9","8","2","2","6","1") = "8"
    & skf18("6","9","8","2","2","7","1") = "8"
    & skf18("6","9","8","2","2","8","1") = "8"
    & skf18("6","9","8","2","2","9","1") = "8"
    & skf18("6","9","8","2","2","10","1") = "9"
    & skf18("6","9","8","2","3","1","1") = "8"
    & skf18("6","9","8","2","3","2","1") = "8"
    & skf18("6","9","8","2","3","3","1") = "8"
    & skf18("6","9","8","2","3","4","1") = "8"
    & skf18("6","9","8","2","3","5","1") = "8"
    & skf18("6","9","8","2","3","6","1") = "8"
    & skf18("6","9","8","2","3","7","1") = "8"
    & skf18("6","9","8","2","3","8","1") = "8"
    & skf18("6","9","8","2","3","9","1") = "8"
    & skf18("6","9","8","2","3","10","1") = "9"
    & skf18("6","9","8","2","4","1","1") = "8"
    & skf18("6","9","8","2","4","2","1") = "8"
    & skf18("6","9","8","2","4","3","1") = "8"
    & skf18("6","9","8","2","4","4","1") = "8"
    & skf18("6","9","8","2","4","5","1") = "8"
    & skf18("6","9","8","2","4","6","1") = "8"
    & skf18("6","9","8","2","4","7","1") = "8"
    & skf18("6","9","8","2","4","8","1") = "8"
    & skf18("6","9","8","2","4","9","1") = "8"
    & skf18("6","9","8","2","4","10","1") = "9"
    & skf18("6","9","8","2","5","1","1") = "8"
    & skf18("6","9","8","2","5","2","1") = "8"
    & skf18("6","9","8","2","5","3","1") = "8"
    & skf18("6","9","8","2","5","4","1") = "8"
    & skf18("6","9","8","2","5","5","1") = "8"
    & skf18("6","9","8","2","5","6","1") = "8"
    & skf18("6","9","8","2","5","7","1") = "8"
    & skf18("6","9","8","2","5","8","1") = "8"
    & skf18("6","9","8","2","5","9","1") = "8"
    & skf18("6","9","8","2","5","10","1") = "9"
    & skf18("6","9","8","2","6","1","1") = "8"
    & skf18("6","9","8","2","6","2","1") = "8"
    & skf18("6","9","8","2","6","3","1") = "8"
    & skf18("6","9","8","2","6","4","1") = "8"
    & skf18("6","9","8","2","6","5","1") = "8"
    & skf18("6","9","8","2","6","6","1") = "8"
    & skf18("6","9","8","2","6","7","1") = "8"
    & skf18("6","9","8","2","6","8","1") = "8"
    & skf18("6","9","8","2","6","9","1") = "8"
    & skf18("6","9","8","2","6","10","1") = "9"
    & skf18("6","9","8","2","7","1","1") = "8"
    & skf18("6","9","8","2","7","2","1") = "8"
    & skf18("6","9","8","2","7","3","1") = "8"
    & skf18("6","9","8","2","7","4","1") = "8"
    & skf18("6","9","8","2","7","5","1") = "8"
    & skf18("6","9","8","2","7","6","1") = "8"
    & skf18("6","9","8","2","7","7","1") = "8"
    & skf18("6","9","8","2","7","8","1") = "8"
    & skf18("6","9","8","2","7","9","1") = "8"
    & skf18("6","9","8","2","7","10","1") = "9"
    & skf18("6","9","8","2","8","1","1") = "8"
    & skf18("6","9","8","2","8","2","1") = "8"
    & skf18("6","9","8","2","8","3","1") = "8"
    & skf18("6","9","8","2","8","4","1") = "8"
    & skf18("6","9","8","2","8","5","1") = "8"
    & skf18("6","9","8","2","8","6","1") = "8"
    & skf18("6","9","8","2","8","7","1") = "8"
    & skf18("6","9","8","2","8","8","1") = "8"
    & skf18("6","9","8","2","8","9","1") = "8"
    & skf18("6","9","8","2","8","10","1") = "9"
    & skf18("6","9","8","2","9","1","1") = "8"
    & skf18("6","9","8","2","9","2","1") = "8"
    & skf18("6","9","8","2","9","3","1") = "8"
    & skf18("6","9","8","2","9","4","1") = "8"
    & skf18("6","9","8","2","9","5","1") = "8"
    & skf18("6","9","8","2","9","6","1") = "8"
    & skf18("6","9","8","2","9","7","1") = "8"
    & skf18("6","9","8","2","9","8","1") = "8"
    & skf18("6","9","8","2","9","9","1") = "8"
    & skf18("6","9","8","2","9","10","1") = "9"
    & skf18("6","9","8","2","10","1","1") = "9"
    & skf18("6","9","8","2","10","2","1") = "9"
    & skf18("6","9","8","2","10","3","1") = "9"
    & skf18("6","9","8","2","10","4","1") = "9"
    & skf18("6","9","8","2","10","5","1") = "9"
    & skf18("6","9","8","2","10","6","1") = "9"
    & skf18("6","9","8","2","10","7","1") = "9"
    & skf18("6","9","8","2","10","8","1") = "9"
    & skf18("6","9","8","2","10","9","1") = "9"
    & skf18("6","9","8","2","10","10","1") = "9"
    & skf18("6","9","8","3","1","1","1") = "8"
    & skf18("6","9","8","3","1","2","1") = "8"
    & skf18("6","9","8","3","1","3","1") = "8"
    & skf18("6","9","8","3","1","4","1") = "8"
    & skf18("6","9","8","3","1","5","1") = "8"
    & skf18("6","9","8","3","1","6","1") = "8"
    & skf18("6","9","8","3","1","7","1") = "8"
    & skf18("6","9","8","3","1","8","1") = "8"
    & skf18("6","9","8","3","1","9","1") = "8"
    & skf18("6","9","8","3","1","10","1") = "9"
    & skf18("6","9","8","3","2","1","1") = "8"
    & skf18("6","9","8","3","2","2","1") = "8"
    & skf18("6","9","8","3","2","3","1") = "8"
    & skf18("6","9","8","3","2","4","1") = "8"
    & skf18("6","9","8","3","2","5","1") = "8"
    & skf18("6","9","8","3","2","6","1") = "8"
    & skf18("6","9","8","3","2","7","1") = "8"
    & skf18("6","9","8","3","2","8","1") = "8"
    & skf18("6","9","8","3","2","9","1") = "8"
    & skf18("6","9","8","3","2","10","1") = "9"
    & skf18("6","9","8","3","3","1","1") = "8"
    & skf18("6","9","8","3","3","2","1") = "8"
    & skf18("6","9","8","3","3","3","1") = "8"
    & skf18("6","9","8","3","3","4","1") = "8"
    & skf18("6","9","8","3","3","5","1") = "8"
    & skf18("6","9","8","3","3","6","1") = "8"
    & skf18("6","9","8","3","3","7","1") = "8"
    & skf18("6","9","8","3","3","8","1") = "8"
    & skf18("6","9","8","3","3","9","1") = "8"
    & skf18("6","9","8","3","3","10","1") = "9"
    & skf18("6","9","8","3","4","1","1") = "8"
    & skf18("6","9","8","3","4","2","1") = "8"
    & skf18("6","9","8","3","4","3","1") = "8"
    & skf18("6","9","8","3","4","4","1") = "8"
    & skf18("6","9","8","3","4","5","1") = "8"
    & skf18("6","9","8","3","4","6","1") = "8"
    & skf18("6","9","8","3","4","7","1") = "8"
    & skf18("6","9","8","3","4","8","1") = "8"
    & skf18("6","9","8","3","4","9","1") = "8"
    & skf18("6","9","8","3","4","10","1") = "9"
    & skf18("6","9","8","3","5","1","1") = "8"
    & skf18("6","9","8","3","5","2","1") = "8"
    & skf18("6","9","8","3","5","3","1") = "8"
    & skf18("6","9","8","3","5","4","1") = "8"
    & skf18("6","9","8","3","5","5","1") = "8"
    & skf18("6","9","8","3","5","6","1") = "8"
    & skf18("6","9","8","3","5","7","1") = "8"
    & skf18("6","9","8","3","5","8","1") = "8"
    & skf18("6","9","8","3","5","9","1") = "8"
    & skf18("6","9","8","3","5","10","1") = "9"
    & skf18("6","9","8","3","6","1","1") = "8"
    & skf18("6","9","8","3","6","2","1") = "8"
    & skf18("6","9","8","3","6","3","1") = "8"
    & skf18("6","9","8","3","6","4","1") = "8"
    & skf18("6","9","8","3","6","5","1") = "8"
    & skf18("6","9","8","3","6","6","1") = "8"
    & skf18("6","9","8","3","6","7","1") = "8"
    & skf18("6","9","8","3","6","8","1") = "8"
    & skf18("6","9","8","3","6","9","1") = "8"
    & skf18("6","9","8","3","6","10","1") = "9"
    & skf18("6","9","8","3","7","1","1") = "8"
    & skf18("6","9","8","3","7","2","1") = "8"
    & skf18("6","9","8","3","7","3","1") = "8"
    & skf18("6","9","8","3","7","4","1") = "8"
    & skf18("6","9","8","3","7","5","1") = "8"
    & skf18("6","9","8","3","7","6","1") = "8"
    & skf18("6","9","8","3","7","7","1") = "8"
    & skf18("6","9","8","3","7","8","1") = "8"
    & skf18("6","9","8","3","7","9","1") = "8"
    & skf18("6","9","8","3","7","10","1") = "9"
    & skf18("6","9","8","3","8","1","1") = "8"
    & skf18("6","9","8","3","8","2","1") = "8"
    & skf18("6","9","8","3","8","3","1") = "8"
    & skf18("6","9","8","3","8","4","1") = "8"
    & skf18("6","9","8","3","8","5","1") = "8"
    & skf18("6","9","8","3","8","6","1") = "8"
    & skf18("6","9","8","3","8","7","1") = "8"
    & skf18("6","9","8","3","8","8","1") = "8"
    & skf18("6","9","8","3","8","9","1") = "8"
    & skf18("6","9","8","3","8","10","1") = "9"
    & skf18("6","9","8","3","9","1","1") = "8"
    & skf18("6","9","8","3","9","2","1") = "8"
    & skf18("6","9","8","3","9","3","1") = "8"
    & skf18("6","9","8","3","9","4","1") = "8"
    & skf18("6","9","8","3","9","5","1") = "8"
    & skf18("6","9","8","3","9","6","1") = "8"
    & skf18("6","9","8","3","9","7","1") = "8"
    & skf18("6","9","8","3","9","8","1") = "8"
    & skf18("6","9","8","3","9","9","1") = "8"
    & skf18("6","9","8","3","9","10","1") = "9"
    & skf18("6","9","8","3","10","1","1") = "9"
    & skf18("6","9","8","3","10","2","1") = "9"
    & skf18("6","9","8","3","10","3","1") = "9"
    & skf18("6","9","8","3","10","4","1") = "9"
    & skf18("6","9","8","3","10","5","1") = "9"
    & skf18("6","9","8","3","10","6","1") = "9"
    & skf18("6","9","8","3","10","7","1") = "9"
    & skf18("6","9","8","3","10","8","1") = "9"
    & skf18("6","9","8","3","10","9","1") = "9"
    & skf18("6","9","8","3","10","10","1") = "9"
    & skf18("6","9","8","4","1","1","1") = "8"
    & skf18("6","9","8","4","1","2","1") = "8"
    & skf18("6","9","8","4","1","3","1") = "8"
    & skf18("6","9","8","4","1","4","1") = "8"
    & skf18("6","9","8","4","1","5","1") = "8"
    & skf18("6","9","8","4","1","6","1") = "8"
    & skf18("6","9","8","4","1","7","1") = "8"
    & skf18("6","9","8","4","1","8","1") = "8"
    & skf18("6","9","8","4","1","9","1") = "8"
    & skf18("6","9","8","4","1","10","1") = "9"
    & skf18("6","9","8","4","2","1","1") = "8"
    & skf18("6","9","8","4","2","2","1") = "8"
    & skf18("6","9","8","4","2","3","1") = "8"
    & skf18("6","9","8","4","2","4","1") = "8"
    & skf18("6","9","8","4","2","5","1") = "8"
    & skf18("6","9","8","4","2","6","1") = "8"
    & skf18("6","9","8","4","2","7","1") = "8"
    & skf18("6","9","8","4","2","8","1") = "8"
    & skf18("6","9","8","4","2","9","1") = "8"
    & skf18("6","9","8","4","2","10","1") = "9"
    & skf18("6","9","8","4","3","1","1") = "8"
    & skf18("6","9","8","4","3","2","1") = "8"
    & skf18("6","9","8","4","3","3","1") = "8"
    & skf18("6","9","8","4","3","4","1") = "8"
    & skf18("6","9","8","4","3","5","1") = "8"
    & skf18("6","9","8","4","3","6","1") = "8"
    & skf18("6","9","8","4","3","7","1") = "8"
    & skf18("6","9","8","4","3","8","1") = "8"
    & skf18("6","9","8","4","3","9","1") = "8"
    & skf18("6","9","8","4","3","10","1") = "9"
    & skf18("6","9","8","4","4","1","1") = "8"
    & skf18("6","9","8","4","4","2","1") = "8"
    & skf18("6","9","8","4","4","3","1") = "8"
    & skf18("6","9","8","4","4","4","1") = "8"
    & skf18("6","9","8","4","4","5","1") = "8"
    & skf18("6","9","8","4","4","6","1") = "8"
    & skf18("6","9","8","4","4","7","1") = "8"
    & skf18("6","9","8","4","4","8","1") = "8"
    & skf18("6","9","8","4","4","9","1") = "8"
    & skf18("6","9","8","4","4","10","1") = "9"
    & skf18("6","9","8","4","5","1","1") = "8"
    & skf18("6","9","8","4","5","2","1") = "8"
    & skf18("6","9","8","4","5","3","1") = "8"
    & skf18("6","9","8","4","5","4","1") = "8"
    & skf18("6","9","8","4","5","5","1") = "8"
    & skf18("6","9","8","4","5","6","1") = "8"
    & skf18("6","9","8","4","5","7","1") = "8"
    & skf18("6","9","8","4","5","8","1") = "8"
    & skf18("6","9","8","4","5","9","1") = "8"
    & skf18("6","9","8","4","5","10","1") = "9"
    & skf18("6","9","8","4","6","1","1") = "8"
    & skf18("6","9","8","4","6","2","1") = "8"
    & skf18("6","9","8","4","6","3","1") = "8"
    & skf18("6","9","8","4","6","4","1") = "8"
    & skf18("6","9","8","4","6","5","1") = "8"
    & skf18("6","9","8","4","6","6","1") = "8"
    & skf18("6","9","8","4","6","7","1") = "8"
    & skf18("6","9","8","4","6","8","1") = "8"
    & skf18("6","9","8","4","6","9","1") = "8"
    & skf18("6","9","8","4","6","10","1") = "9"
    & skf18("6","9","8","4","7","1","1") = "8"
    & skf18("6","9","8","4","7","2","1") = "8"
    & skf18("6","9","8","4","7","3","1") = "8"
    & skf18("6","9","8","4","7","4","1") = "8"
    & skf18("6","9","8","4","7","5","1") = "8"
    & skf18("6","9","8","4","7","6","1") = "8"
    & skf18("6","9","8","4","7","7","1") = "8"
    & skf18("6","9","8","4","7","8","1") = "8"
    & skf18("6","9","8","4","7","9","1") = "8"
    & skf18("6","9","8","4","7","10","1") = "9"
    & skf18("6","9","8","4","8","1","1") = "8"
    & skf18("6","9","8","4","8","2","1") = "8"
    & skf18("6","9","8","4","8","3","1") = "8"
    & skf18("6","9","8","4","8","4","1") = "8"
    & skf18("6","9","8","4","8","5","1") = "8"
    & skf18("6","9","8","4","8","6","1") = "8"
    & skf18("6","9","8","4","8","7","1") = "8"
    & skf18("6","9","8","4","8","8","1") = "8"
    & skf18("6","9","8","4","8","9","1") = "8"
    & skf18("6","9","8","4","8","10","1") = "9"
    & skf18("6","9","8","4","9","1","1") = "8"
    & skf18("6","9","8","4","9","2","1") = "8"
    & skf18("6","9","8","4","9","3","1") = "8"
    & skf18("6","9","8","4","9","4","1") = "8"
    & skf18("6","9","8","4","9","5","1") = "8"
    & skf18("6","9","8","4","9","6","1") = "8"
    & skf18("6","9","8","4","9","7","1") = "8"
    & skf18("6","9","8","4","9","8","1") = "8"
    & skf18("6","9","8","4","9","9","1") = "8"
    & skf18("6","9","8","4","9","10","1") = "9"
    & skf18("6","9","8","4","10","1","1") = "9"
    & skf18("6","9","8","4","10","2","1") = "9"
    & skf18("6","9","8","4","10","3","1") = "9"
    & skf18("6","9","8","4","10","4","1") = "9"
    & skf18("6","9","8","4","10","5","1") = "9"
    & skf18("6","9","8","4","10","6","1") = "9"
    & skf18("6","9","8","4","10","7","1") = "9"
    & skf18("6","9","8","4","10","8","1") = "9"
    & skf18("6","9","8","4","10","9","1") = "9"
    & skf18("6","9","8","4","10","10","1") = "9"
    & skf18("6","9","8","5","1","1","1") = "8"
    & skf18("6","9","8","5","1","2","1") = "8"
    & skf18("6","9","8","5","1","3","1") = "8"
    & skf18("6","9","8","5","1","4","1") = "8"
    & skf18("6","9","8","5","1","5","1") = "8"
    & skf18("6","9","8","5","1","6","1") = "8"
    & skf18("6","9","8","5","1","7","1") = "8"
    & skf18("6","9","8","5","1","8","1") = "8"
    & skf18("6","9","8","5","1","9","1") = "8"
    & skf18("6","9","8","5","1","10","1") = "9"
    & skf18("6","9","8","5","2","1","1") = "8"
    & skf18("6","9","8","5","2","2","1") = "8"
    & skf18("6","9","8","5","2","3","1") = "8"
    & skf18("6","9","8","5","2","4","1") = "8"
    & skf18("6","9","8","5","2","5","1") = "8"
    & skf18("6","9","8","5","2","6","1") = "8"
    & skf18("6","9","8","5","2","7","1") = "8"
    & skf18("6","9","8","5","2","8","1") = "8"
    & skf18("6","9","8","5","2","9","1") = "8"
    & skf18("6","9","8","5","2","10","1") = "9"
    & skf18("6","9","8","5","3","1","1") = "8"
    & skf18("6","9","8","5","3","2","1") = "8"
    & skf18("6","9","8","5","3","3","1") = "8"
    & skf18("6","9","8","5","3","4","1") = "8"
    & skf18("6","9","8","5","3","5","1") = "8"
    & skf18("6","9","8","5","3","6","1") = "8"
    & skf18("6","9","8","5","3","7","1") = "8"
    & skf18("6","9","8","5","3","8","1") = "8"
    & skf18("6","9","8","5","3","9","1") = "8"
    & skf18("6","9","8","5","3","10","1") = "9"
    & skf18("6","9","8","5","4","1","1") = "8"
    & skf18("6","9","8","5","4","2","1") = "8"
    & skf18("6","9","8","5","4","3","1") = "8"
    & skf18("6","9","8","5","4","4","1") = "8"
    & skf18("6","9","8","5","4","5","1") = "8"
    & skf18("6","9","8","5","4","6","1") = "8"
    & skf18("6","9","8","5","4","7","1") = "8"
    & skf18("6","9","8","5","4","8","1") = "8"
    & skf18("6","9","8","5","4","9","1") = "8"
    & skf18("6","9","8","5","4","10","1") = "9"
    & skf18("6","9","8","5","5","1","1") = "8"
    & skf18("6","9","8","5","5","2","1") = "8"
    & skf18("6","9","8","5","5","3","1") = "8"
    & skf18("6","9","8","5","5","4","1") = "8"
    & skf18("6","9","8","5","5","5","1") = "8"
    & skf18("6","9","8","5","5","6","1") = "8"
    & skf18("6","9","8","5","5","7","1") = "8"
    & skf18("6","9","8","5","5","8","1") = "8"
    & skf18("6","9","8","5","5","9","1") = "8"
    & skf18("6","9","8","5","5","10","1") = "9"
    & skf18("6","9","8","5","6","1","1") = "8"
    & skf18("6","9","8","5","6","2","1") = "8"
    & skf18("6","9","8","5","6","3","1") = "8"
    & skf18("6","9","8","5","6","4","1") = "8"
    & skf18("6","9","8","5","6","5","1") = "8"
    & skf18("6","9","8","5","6","6","1") = "8"
    & skf18("6","9","8","5","6","7","1") = "8"
    & skf18("6","9","8","5","6","8","1") = "8"
    & skf18("6","9","8","5","6","9","1") = "8"
    & skf18("6","9","8","5","6","10","1") = "9"
    & skf18("6","9","8","5","7","1","1") = "8"
    & skf18("6","9","8","5","7","2","1") = "8"
    & skf18("6","9","8","5","7","3","1") = "8"
    & skf18("6","9","8","5","7","4","1") = "8"
    & skf18("6","9","8","5","7","5","1") = "8"
    & skf18("6","9","8","5","7","6","1") = "8"
    & skf18("6","9","8","5","7","7","1") = "8"
    & skf18("6","9","8","5","7","8","1") = "8"
    & skf18("6","9","8","5","7","9","1") = "8"
    & skf18("6","9","8","5","7","10","1") = "9"
    & skf18("6","9","8","5","8","1","1") = "8"
    & skf18("6","9","8","5","8","2","1") = "8"
    & skf18("6","9","8","5","8","3","1") = "8"
    & skf18("6","9","8","5","8","4","1") = "8"
    & skf18("6","9","8","5","8","5","1") = "8"
    & skf18("6","9","8","5","8","6","1") = "8"
    & skf18("6","9","8","5","8","7","1") = "8"
    & skf18("6","9","8","5","8","8","1") = "8"
    & skf18("6","9","8","5","8","9","1") = "8"
    & skf18("6","9","8","5","8","10","1") = "9"
    & skf18("6","9","8","5","9","1","1") = "8"
    & skf18("6","9","8","5","9","2","1") = "8"
    & skf18("6","9","8","5","9","3","1") = "8"
    & skf18("6","9","8","5","9","4","1") = "8"
    & skf18("6","9","8","5","9","5","1") = "8"
    & skf18("6","9","8","5","9","6","1") = "8"
    & skf18("6","9","8","5","9","7","1") = "8"
    & skf18("6","9","8","5","9","8","1") = "8"
    & skf18("6","9","8","5","9","9","1") = "8"
    & skf18("6","9","8","5","9","10","1") = "9"
    & skf18("6","9","8","5","10","1","1") = "9"
    & skf18("6","9","8","5","10","2","1") = "9"
    & skf18("6","9","8","5","10","3","1") = "9"
    & skf18("6","9","8","5","10","4","1") = "9"
    & skf18("6","9","8","5","10","5","1") = "9"
    & skf18("6","9","8","5","10","6","1") = "9"
    & skf18("6","9","8","5","10","7","1") = "9"
    & skf18("6","9","8","5","10","8","1") = "9"
    & skf18("6","9","8","5","10","9","1") = "9"
    & skf18("6","9","8","5","10","10","1") = "9"
    & skf18("6","9","8","6","1","1","1") = "8"
    & skf18("6","9","8","6","1","2","1") = "8"
    & skf18("6","9","8","6","1","3","1") = "8"
    & skf18("6","9","8","6","1","4","1") = "8"
    & skf18("6","9","8","6","1","5","1") = "8"
    & skf18("6","9","8","6","1","6","1") = "8"
    & skf18("6","9","8","6","1","7","1") = "8"
    & skf18("6","9","8","6","1","8","1") = "8"
    & skf18("6","9","8","6","1","9","1") = "8"
    & skf18("6","9","8","6","1","10","1") = "9"
    & skf18("6","9","8","6","2","1","1") = "8"
    & skf18("6","9","8","6","2","2","1") = "8"
    & skf18("6","9","8","6","2","3","1") = "8"
    & skf18("6","9","8","6","2","4","1") = "8"
    & skf18("6","9","8","6","2","5","1") = "8"
    & skf18("6","9","8","6","2","6","1") = "8"
    & skf18("6","9","8","6","2","7","1") = "8"
    & skf18("6","9","8","6","2","8","1") = "8"
    & skf18("6","9","8","6","2","9","1") = "8"
    & skf18("6","9","8","6","2","10","1") = "9"
    & skf18("6","9","8","6","3","1","1") = "8"
    & skf18("6","9","8","6","3","2","1") = "8"
    & skf18("6","9","8","6","3","3","1") = "8"
    & skf18("6","9","8","6","3","4","1") = "8"
    & skf18("6","9","8","6","3","5","1") = "8"
    & skf18("6","9","8","6","3","6","1") = "8"
    & skf18("6","9","8","6","3","7","1") = "8"
    & skf18("6","9","8","6","3","8","1") = "8"
    & skf18("6","9","8","6","3","9","1") = "8"
    & skf18("6","9","8","6","3","10","1") = "9"
    & skf18("6","9","8","6","4","1","1") = "8"
    & skf18("6","9","8","6","4","2","1") = "8"
    & skf18("6","9","8","6","4","3","1") = "8"
    & skf18("6","9","8","6","4","4","1") = "8"
    & skf18("6","9","8","6","4","5","1") = "8"
    & skf18("6","9","8","6","4","6","1") = "8"
    & skf18("6","9","8","6","4","7","1") = "8"
    & skf18("6","9","8","6","4","8","1") = "8"
    & skf18("6","9","8","6","4","9","1") = "8"
    & skf18("6","9","8","6","4","10","1") = "9"
    & skf18("6","9","8","6","5","1","1") = "8"
    & skf18("6","9","8","6","5","2","1") = "8"
    & skf18("6","9","8","6","5","3","1") = "8"
    & skf18("6","9","8","6","5","4","1") = "8"
    & skf18("6","9","8","6","5","5","1") = "8"
    & skf18("6","9","8","6","5","6","1") = "8"
    & skf18("6","9","8","6","5","7","1") = "8"
    & skf18("6","9","8","6","5","8","1") = "8"
    & skf18("6","9","8","6","5","9","1") = "8"
    & skf18("6","9","8","6","5","10","1") = "9"
    & skf18("6","9","8","6","6","1","1") = "8"
    & skf18("6","9","8","6","6","2","1") = "8"
    & skf18("6","9","8","6","6","3","1") = "8"
    & skf18("6","9","8","6","6","4","1") = "8"
    & skf18("6","9","8","6","6","5","1") = "8"
    & skf18("6","9","8","6","6","6","1") = "8"
    & skf18("6","9","8","6","6","7","1") = "8"
    & skf18("6","9","8","6","6","8","1") = "8"
    & skf18("6","9","8","6","6","9","1") = "8"
    & skf18("6","9","8","6","6","10","1") = "9"
    & skf18("6","9","8","6","7","1","1") = "8"
    & skf18("6","9","8","6","7","2","1") = "8"
    & skf18("6","9","8","6","7","3","1") = "8"
    & skf18("6","9","8","6","7","4","1") = "8"
    & skf18("6","9","8","6","7","5","1") = "8"
    & skf18("6","9","8","6","7","6","1") = "8"
    & skf18("6","9","8","6","7","7","1") = "8"
    & skf18("6","9","8","6","7","8","1") = "8"
    & skf18("6","9","8","6","7","9","1") = "8"
    & skf18("6","9","8","6","7","10","1") = "9"
    & skf18("6","9","8","6","8","1","1") = "8"
    & skf18("6","9","8","6","8","2","1") = "8"
    & skf18("6","9","8","6","8","3","1") = "8"
    & skf18("6","9","8","6","8","4","1") = "8"
    & skf18("6","9","8","6","8","5","1") = "8"
    & skf18("6","9","8","6","8","6","1") = "8"
    & skf18("6","9","8","6","8","7","1") = "8"
    & skf18("6","9","8","6","8","8","1") = "8"
    & skf18("6","9","8","6","8","9","1") = "8"
    & skf18("6","9","8","6","8","10","1") = "9"
    & skf18("6","9","8","6","9","1","1") = "8"
    & skf18("6","9","8","6","9","2","1") = "8"
    & skf18("6","9","8","6","9","3","1") = "8"
    & skf18("6","9","8","6","9","4","1") = "8"
    & skf18("6","9","8","6","9","5","1") = "8"
    & skf18("6","9","8","6","9","6","1") = "8"
    & skf18("6","9","8","6","9","7","1") = "8"
    & skf18("6","9","8","6","9","8","1") = "8"
    & skf18("6","9","8","6","9","9","1") = "8"
    & skf18("6","9","8","6","9","10","1") = "9"
    & skf18("6","9","8","6","10","1","1") = "9"
    & skf18("6","9","8","6","10","2","1") = "9"
    & skf18("6","9","8","6","10","3","1") = "9"
    & skf18("6","9","8","6","10","4","1") = "9"
    & skf18("6","9","8","6","10","5","1") = "9"
    & skf18("6","9","8","6","10","6","1") = "9"
    & skf18("6","9","8","6","10","7","1") = "9"
    & skf18("6","9","8","6","10","8","1") = "9"
    & skf18("6","9","8","6","10","9","1") = "9"
    & skf18("6","9","8","6","10","10","1") = "9"
    & skf18("6","9","8","7","1","1","1") = "8"
    & skf18("6","9","8","7","1","2","1") = "8"
    & skf18("6","9","8","7","1","3","1") = "8"
    & skf18("6","9","8","7","1","4","1") = "8"
    & skf18("6","9","8","7","1","5","1") = "8"
    & skf18("6","9","8","7","1","6","1") = "8"
    & skf18("6","9","8","7","1","7","1") = "8"
    & skf18("6","9","8","7","1","8","1") = "8"
    & skf18("6","9","8","7","1","9","1") = "8"
    & skf18("6","9","8","7","1","10","1") = "9"
    & skf18("6","9","8","7","2","1","1") = "8"
    & skf18("6","9","8","7","2","2","1") = "8"
    & skf18("6","9","8","7","2","3","1") = "8"
    & skf18("6","9","8","7","2","4","1") = "8"
    & skf18("6","9","8","7","2","5","1") = "8"
    & skf18("6","9","8","7","2","6","1") = "8"
    & skf18("6","9","8","7","2","7","1") = "8"
    & skf18("6","9","8","7","2","8","1") = "8"
    & skf18("6","9","8","7","2","9","1") = "8"
    & skf18("6","9","8","7","2","10","1") = "9"
    & skf18("6","9","8","7","3","1","1") = "8"
    & skf18("6","9","8","7","3","2","1") = "8"
    & skf18("6","9","8","7","3","3","1") = "8"
    & skf18("6","9","8","7","3","4","1") = "8"
    & skf18("6","9","8","7","3","5","1") = "8"
    & skf18("6","9","8","7","3","6","1") = "8"
    & skf18("6","9","8","7","3","7","1") = "8"
    & skf18("6","9","8","7","3","8","1") = "8"
    & skf18("6","9","8","7","3","9","1") = "8"
    & skf18("6","9","8","7","3","10","1") = "9"
    & skf18("6","9","8","7","4","1","1") = "8"
    & skf18("6","9","8","7","4","2","1") = "8"
    & skf18("6","9","8","7","4","3","1") = "8"
    & skf18("6","9","8","7","4","4","1") = "8"
    & skf18("6","9","8","7","4","5","1") = "8"
    & skf18("6","9","8","7","4","6","1") = "8"
    & skf18("6","9","8","7","4","7","1") = "8"
    & skf18("6","9","8","7","4","8","1") = "8"
    & skf18("6","9","8","7","4","9","1") = "8"
    & skf18("6","9","8","7","4","10","1") = "9"
    & skf18("6","9","8","7","5","1","1") = "8"
    & skf18("6","9","8","7","5","2","1") = "8"
    & skf18("6","9","8","7","5","3","1") = "8"
    & skf18("6","9","8","7","5","4","1") = "8"
    & skf18("6","9","8","7","5","5","1") = "8"
    & skf18("6","9","8","7","5","6","1") = "8"
    & skf18("6","9","8","7","5","7","1") = "8"
    & skf18("6","9","8","7","5","8","1") = "8"
    & skf18("6","9","8","7","5","9","1") = "8"
    & skf18("6","9","8","7","5","10","1") = "9"
    & skf18("6","9","8","7","6","1","1") = "8"
    & skf18("6","9","8","7","6","2","1") = "8"
    & skf18("6","9","8","7","6","3","1") = "8"
    & skf18("6","9","8","7","6","4","1") = "8"
    & skf18("6","9","8","7","6","5","1") = "8"
    & skf18("6","9","8","7","6","6","1") = "8"
    & skf18("6","9","8","7","6","7","1") = "8"
    & skf18("6","9","8","7","6","8","1") = "8"
    & skf18("6","9","8","7","6","9","1") = "8"
    & skf18("6","9","8","7","6","10","1") = "9"
    & skf18("6","9","8","7","7","1","1") = "8"
    & skf18("6","9","8","7","7","2","1") = "8"
    & skf18("6","9","8","7","7","3","1") = "8"
    & skf18("6","9","8","7","7","4","1") = "8"
    & skf18("6","9","8","7","7","5","1") = "8"
    & skf18("6","9","8","7","7","6","1") = "8"
    & skf18("6","9","8","7","7","7","1") = "8"
    & skf18("6","9","8","7","7","8","1") = "8"
    & skf18("6","9","8","7","7","9","1") = "8"
    & skf18("6","9","8","7","7","10","1") = "9"
    & skf18("6","9","8","7","8","1","1") = "8"
    & skf18("6","9","8","7","8","2","1") = "8"
    & skf18("6","9","8","7","8","3","1") = "8"
    & skf18("6","9","8","7","8","4","1") = "8"
    & skf18("6","9","8","7","8","5","1") = "8"
    & skf18("6","9","8","7","8","6","1") = "8"
    & skf18("6","9","8","7","8","7","1") = "8"
    & skf18("6","9","8","7","8","8","1") = "8"
    & skf18("6","9","8","7","8","9","1") = "8"
    & skf18("6","9","8","7","8","10","1") = "9"
    & skf18("6","9","8","7","9","1","1") = "8"
    & skf18("6","9","8","7","9","2","1") = "8"
    & skf18("6","9","8","7","9","3","1") = "8"
    & skf18("6","9","8","7","9","4","1") = "8"
    & skf18("6","9","8","7","9","5","1") = "8"
    & skf18("6","9","8","7","9","6","1") = "8"
    & skf18("6","9","8","7","9","7","1") = "8"
    & skf18("6","9","8","7","9","8","1") = "8"
    & skf18("6","9","8","7","9","9","1") = "8"
    & skf18("6","9","8","7","9","10","1") = "9"
    & skf18("6","9","8","7","10","1","1") = "9"
    & skf18("6","9","8","7","10","2","1") = "9"
    & skf18("6","9","8","7","10","3","1") = "9"
    & skf18("6","9","8","7","10","4","1") = "9"
    & skf18("6","9","8","7","10","5","1") = "9"
    & skf18("6","9","8","7","10","6","1") = "9"
    & skf18("6","9","8","7","10","7","1") = "9"
    & skf18("6","9","8","7","10","8","1") = "9"
    & skf18("6","9","8","7","10","9","1") = "9"
    & skf18("6","9","8","7","10","10","1") = "9"
    & skf18("6","9","8","8","1","1","1") = "8"
    & skf18("6","9","8","8","1","2","1") = "8"
    & skf18("6","9","8","8","1","3","1") = "8"
    & skf18("6","9","8","8","1","4","1") = "8"
    & skf18("6","9","8","8","1","5","1") = "8"
    & skf18("6","9","8","8","1","6","1") = "8"
    & skf18("6","9","8","8","1","7","1") = "8"
    & skf18("6","9","8","8","1","8","1") = "8"
    & skf18("6","9","8","8","1","9","1") = "8"
    & skf18("6","9","8","8","1","10","1") = "9"
    & skf18("6","9","8","8","2","1","1") = "8"
    & skf18("6","9","8","8","2","2","1") = "8"
    & skf18("6","9","8","8","2","3","1") = "8"
    & skf18("6","9","8","8","2","4","1") = "8"
    & skf18("6","9","8","8","2","5","1") = "8"
    & skf18("6","9","8","8","2","6","1") = "8"
    & skf18("6","9","8","8","2","7","1") = "8"
    & skf18("6","9","8","8","2","8","1") = "8"
    & skf18("6","9","8","8","2","9","1") = "8"
    & skf18("6","9","8","8","2","10","1") = "9"
    & skf18("6","9","8","8","3","1","1") = "8"
    & skf18("6","9","8","8","3","2","1") = "8"
    & skf18("6","9","8","8","3","3","1") = "8"
    & skf18("6","9","8","8","3","4","1") = "8"
    & skf18("6","9","8","8","3","5","1") = "8"
    & skf18("6","9","8","8","3","6","1") = "8"
    & skf18("6","9","8","8","3","7","1") = "8"
    & skf18("6","9","8","8","3","8","1") = "8"
    & skf18("6","9","8","8","3","9","1") = "8"
    & skf18("6","9","8","8","3","10","1") = "9"
    & skf18("6","9","8","8","4","1","1") = "8"
    & skf18("6","9","8","8","4","2","1") = "8"
    & skf18("6","9","8","8","4","3","1") = "8"
    & skf18("6","9","8","8","4","4","1") = "8"
    & skf18("6","9","8","8","4","5","1") = "8"
    & skf18("6","9","8","8","4","6","1") = "8"
    & skf18("6","9","8","8","4","7","1") = "8"
    & skf18("6","9","8","8","4","8","1") = "8"
    & skf18("6","9","8","8","4","9","1") = "8"
    & skf18("6","9","8","8","4","10","1") = "9"
    & skf18("6","9","8","8","5","1","1") = "8"
    & skf18("6","9","8","8","5","2","1") = "8"
    & skf18("6","9","8","8","5","3","1") = "8"
    & skf18("6","9","8","8","5","4","1") = "8"
    & skf18("6","9","8","8","5","5","1") = "8"
    & skf18("6","9","8","8","5","6","1") = "8"
    & skf18("6","9","8","8","5","7","1") = "8"
    & skf18("6","9","8","8","5","8","1") = "8"
    & skf18("6","9","8","8","5","9","1") = "8"
    & skf18("6","9","8","8","5","10","1") = "9"
    & skf18("6","9","8","8","6","1","1") = "8"
    & skf18("6","9","8","8","6","2","1") = "8"
    & skf18("6","9","8","8","6","3","1") = "8"
    & skf18("6","9","8","8","6","4","1") = "8"
    & skf18("6","9","8","8","6","5","1") = "8"
    & skf18("6","9","8","8","6","6","1") = "8"
    & skf18("6","9","8","8","6","7","1") = "8"
    & skf18("6","9","8","8","6","8","1") = "8"
    & skf18("6","9","8","8","6","9","1") = "8"
    & skf18("6","9","8","8","6","10","1") = "9"
    & skf18("6","9","8","8","7","1","1") = "8"
    & skf18("6","9","8","8","7","2","1") = "8"
    & skf18("6","9","8","8","7","3","1") = "8"
    & skf18("6","9","8","8","7","4","1") = "8"
    & skf18("6","9","8","8","7","5","1") = "8"
    & skf18("6","9","8","8","7","6","1") = "8"
    & skf18("6","9","8","8","7","7","1") = "8"
    & skf18("6","9","8","8","7","8","1") = "8"
    & skf18("6","9","8","8","7","9","1") = "8"
    & skf18("6","9","8","8","7","10","1") = "9"
    & skf18("6","9","8","8","8","1","1") = "8"
    & skf18("6","9","8","8","8","2","1") = "8"
    & skf18("6","9","8","8","8","3","1") = "8"
    & skf18("6","9","8","8","8","4","1") = "8"
    & skf18("6","9","8","8","8","5","1") = "8"
    & skf18("6","9","8","8","8","6","1") = "8"
    & skf18("6","9","8","8","8","7","1") = "8"
    & skf18("6","9","8","8","8","8","1") = "8"
    & skf18("6","9","8","8","8","9","1") = "8"
    & skf18("6","9","8","8","8","10","1") = "9"
    & skf18("6","9","8","8","9","1","1") = "8"
    & skf18("6","9","8","8","9","2","1") = "8"
    & skf18("6","9","8","8","9","3","1") = "8"
    & skf18("6","9","8","8","9","4","1") = "8"
    & skf18("6","9","8","8","9","5","1") = "8"
    & skf18("6","9","8","8","9","6","1") = "8"
    & skf18("6","9","8","8","9","7","1") = "8"
    & skf18("6","9","8","8","9","8","1") = "8"
    & skf18("6","9","8","8","9","9","1") = "8"
    & skf18("6","9","8","8","9","10","1") = "9"
    & skf18("6","9","8","8","10","1","1") = "9"
    & skf18("6","9","8","8","10","2","1") = "9"
    & skf18("6","9","8","8","10","3","1") = "9"
    & skf18("6","9","8","8","10","4","1") = "9"
    & skf18("6","9","8","8","10","5","1") = "9"
    & skf18("6","9","8","8","10","6","1") = "9"
    & skf18("6","9","8","8","10","7","1") = "9"
    & skf18("6","9","8","8","10","8","1") = "9"
    & skf18("6","9","8","8","10","9","1") = "9"
    & skf18("6","9","8","8","10","10","1") = "9"
    & skf18("6","9","8","9","1","1","1") = "8"
    & skf18("6","9","8","9","1","2","1") = "8"
    & skf18("6","9","8","9","1","3","1") = "8"
    & skf18("6","9","8","9","1","4","1") = "8"
    & skf18("6","9","8","9","1","5","1") = "8"
    & skf18("6","9","8","9","1","6","1") = "8"
    & skf18("6","9","8","9","1","7","1") = "8"
    & skf18("6","9","8","9","1","8","1") = "8"
    & skf18("6","9","8","9","1","9","1") = "8"
    & skf18("6","9","8","9","1","10","1") = "9"
    & skf18("6","9","8","9","2","1","1") = "8"
    & skf18("6","9","8","9","2","2","1") = "8"
    & skf18("6","9","8","9","2","3","1") = "8"
    & skf18("6","9","8","9","2","4","1") = "8"
    & skf18("6","9","8","9","2","5","1") = "8"
    & skf18("6","9","8","9","2","6","1") = "8"
    & skf18("6","9","8","9","2","7","1") = "8"
    & skf18("6","9","8","9","2","8","1") = "8"
    & skf18("6","9","8","9","2","9","1") = "8"
    & skf18("6","9","8","9","2","10","1") = "9"
    & skf18("6","9","8","9","3","1","1") = "8"
    & skf18("6","9","8","9","3","2","1") = "8"
    & skf18("6","9","8","9","3","3","1") = "8"
    & skf18("6","9","8","9","3","4","1") = "8"
    & skf18("6","9","8","9","3","5","1") = "8"
    & skf18("6","9","8","9","3","6","1") = "8"
    & skf18("6","9","8","9","3","7","1") = "8"
    & skf18("6","9","8","9","3","8","1") = "8"
    & skf18("6","9","8","9","3","9","1") = "8"
    & skf18("6","9","8","9","3","10","1") = "9"
    & skf18("6","9","8","9","4","1","1") = "8"
    & skf18("6","9","8","9","4","2","1") = "8"
    & skf18("6","9","8","9","4","3","1") = "8"
    & skf18("6","9","8","9","4","4","1") = "8"
    & skf18("6","9","8","9","4","5","1") = "8"
    & skf18("6","9","8","9","4","6","1") = "8"
    & skf18("6","9","8","9","4","7","1") = "8"
    & skf18("6","9","8","9","4","8","1") = "8"
    & skf18("6","9","8","9","4","9","1") = "8"
    & skf18("6","9","8","9","4","10","1") = "9"
    & skf18("6","9","8","9","5","1","1") = "8"
    & skf18("6","9","8","9","5","2","1") = "8"
    & skf18("6","9","8","9","5","3","1") = "8"
    & skf18("6","9","8","9","5","4","1") = "8"
    & skf18("6","9","8","9","5","5","1") = "8"
    & skf18("6","9","8","9","5","6","1") = "8"
    & skf18("6","9","8","9","5","7","1") = "8"
    & skf18("6","9","8","9","5","8","1") = "8"
    & skf18("6","9","8","9","5","9","1") = "8"
    & skf18("6","9","8","9","5","10","1") = "9"
    & skf18("6","9","8","9","6","1","1") = "8"
    & skf18("6","9","8","9","6","2","1") = "8"
    & skf18("6","9","8","9","6","3","1") = "8"
    & skf18("6","9","8","9","6","4","1") = "8"
    & skf18("6","9","8","9","6","5","1") = "8"
    & skf18("6","9","8","9","6","6","1") = "8"
    & skf18("6","9","8","9","6","7","1") = "8"
    & skf18("6","9","8","9","6","8","1") = "8"
    & skf18("6","9","8","9","6","9","1") = "8"
    & skf18("6","9","8","9","6","10","1") = "9"
    & skf18("6","9","8","9","7","1","1") = "8"
    & skf18("6","9","8","9","7","2","1") = "8"
    & skf18("6","9","8","9","7","3","1") = "8"
    & skf18("6","9","8","9","7","4","1") = "8"
    & skf18("6","9","8","9","7","5","1") = "8"
    & skf18("6","9","8","9","7","6","1") = "8"
    & skf18("6","9","8","9","7","7","1") = "8"
    & skf18("6","9","8","9","7","8","1") = "8"
    & skf18("6","9","8","9","7","9","1") = "8"
    & skf18("6","9","8","9","7","10","1") = "9"
    & skf18("6","9","8","9","8","1","1") = "8"
    & skf18("6","9","8","9","8","2","1") = "8"
    & skf18("6","9","8","9","8","3","1") = "8"
    & skf18("6","9","8","9","8","4","1") = "8"
    & skf18("6","9","8","9","8","5","1") = "8"
    & skf18("6","9","8","9","8","6","1") = "8"
    & skf18("6","9","8","9","8","7","1") = "8"
    & skf18("6","9","8","9","8","8","1") = "8"
    & skf18("6","9","8","9","8","9","1") = "8"
    & skf18("6","9","8","9","8","10","1") = "9"
    & skf18("6","9","8","9","9","1","1") = "8"
    & skf18("6","9","8","9","9","2","1") = "8"
    & skf18("6","9","8","9","9","3","1") = "8"
    & skf18("6","9","8","9","9","4","1") = "8"
    & skf18("6","9","8","9","9","5","1") = "8"
    & skf18("6","9","8","9","9","6","1") = "8"
    & skf18("6","9","8","9","9","7","1") = "8"
    & skf18("6","9","8","9","9","8","1") = "8"
    & skf18("6","9","8","9","9","9","1") = "8"
    & skf18("6","9","8","9","9","10","1") = "9"
    & skf18("6","9","8","9","10","1","1") = "9"
    & skf18("6","9","8","9","10","2","1") = "9"
    & skf18("6","9","8","9","10","3","1") = "9"
    & skf18("6","9","8","9","10","4","1") = "9"
    & skf18("6","9","8","9","10","5","1") = "9"
    & skf18("6","9","8","9","10","6","1") = "9"
    & skf18("6","9","8","9","10","7","1") = "9"
    & skf18("6","9","8","9","10","8","1") = "9"
    & skf18("6","9","8","9","10","9","1") = "9"
    & skf18("6","9","8","9","10","10","1") = "9"
    & skf18("6","9","8","10","1","1","1") = "9"
    & skf18("6","9","8","10","1","2","1") = "9"
    & skf18("6","9","8","10","1","3","1") = "9"
    & skf18("6","9","8","10","1","4","1") = "9"
    & skf18("6","9","8","10","1","5","1") = "9"
    & skf18("6","9","8","10","1","6","1") = "9"
    & skf18("6","9","8","10","1","7","1") = "9"
    & skf18("6","9","8","10","1","8","1") = "9"
    & skf18("6","9","8","10","1","9","1") = "9"
    & skf18("6","9","8","10","1","10","1") = "9"
    & skf18("6","9","8","10","2","1","1") = "9"
    & skf18("6","9","8","10","2","2","1") = "9"
    & skf18("6","9","8","10","2","3","1") = "9"
    & skf18("6","9","8","10","2","4","1") = "9"
    & skf18("6","9","8","10","2","5","1") = "9"
    & skf18("6","9","8","10","2","6","1") = "9"
    & skf18("6","9","8","10","2","7","1") = "9"
    & skf18("6","9","8","10","2","8","1") = "9"
    & skf18("6","9","8","10","2","9","1") = "9"
    & skf18("6","9","8","10","2","10","1") = "9"
    & skf18("6","9","8","10","3","1","1") = "9"
    & skf18("6","9","8","10","3","2","1") = "9"
    & skf18("6","9","8","10","3","3","1") = "9"
    & skf18("6","9","8","10","3","4","1") = "9"
    & skf18("6","9","8","10","3","5","1") = "9"
    & skf18("6","9","8","10","3","6","1") = "9"
    & skf18("6","9","8","10","3","7","1") = "9"
    & skf18("6","9","8","10","3","8","1") = "9"
    & skf18("6","9","8","10","3","9","1") = "9"
    & skf18("6","9","8","10","3","10","1") = "9"
    & skf18("6","9","8","10","4","1","1") = "9"
    & skf18("6","9","8","10","4","2","1") = "9"
    & skf18("6","9","8","10","4","3","1") = "9"
    & skf18("6","9","8","10","4","4","1") = "9"
    & skf18("6","9","8","10","4","5","1") = "9"
    & skf18("6","9","8","10","4","6","1") = "9"
    & skf18("6","9","8","10","4","7","1") = "9"
    & skf18("6","9","8","10","4","8","1") = "9"
    & skf18("6","9","8","10","4","9","1") = "9"
    & skf18("6","9","8","10","4","10","1") = "9"
    & skf18("6","9","8","10","5","1","1") = "9"
    & skf18("6","9","8","10","5","2","1") = "9"
    & skf18("6","9","8","10","5","3","1") = "9"
    & skf18("6","9","8","10","5","4","1") = "9"
    & skf18("6","9","8","10","5","5","1") = "9"
    & skf18("6","9","8","10","5","6","1") = "9"
    & skf18("6","9","8","10","5","7","1") = "9"
    & skf18("6","9","8","10","5","8","1") = "9"
    & skf18("6","9","8","10","5","9","1") = "9"
    & skf18("6","9","8","10","5","10","1") = "9"
    & skf18("6","9","8","10","6","1","1") = "9"
    & skf18("6","9","8","10","6","2","1") = "9"
    & skf18("6","9","8","10","6","3","1") = "9"
    & skf18("6","9","8","10","6","4","1") = "9"
    & skf18("6","9","8","10","6","5","1") = "9"
    & skf18("6","9","8","10","6","6","1") = "9"
    & skf18("6","9","8","10","6","7","1") = "9"
    & skf18("6","9","8","10","6","8","1") = "9"
    & skf18("6","9","8","10","6","9","1") = "9"
    & skf18("6","9","8","10","6","10","1") = "9"
    & skf18("6","9","8","10","7","1","1") = "9"
    & skf18("6","9","8","10","7","2","1") = "9"
    & skf18("6","9","8","10","7","3","1") = "9"
    & skf18("6","9","8","10","7","4","1") = "9"
    & skf18("6","9","8","10","7","5","1") = "9"
    & skf18("6","9","8","10","7","6","1") = "9"
    & skf18("6","9","8","10","7","7","1") = "9"
    & skf18("6","9","8","10","7","8","1") = "9"
    & skf18("6","9","8","10","7","9","1") = "9"
    & skf18("6","9","8","10","7","10","1") = "9"
    & skf18("6","9","8","10","8","1","1") = "9"
    & skf18("6","9","8","10","8","2","1") = "9"
    & skf18("6","9","8","10","8","3","1") = "9"
    & skf18("6","9","8","10","8","4","1") = "9"
    & skf18("6","9","8","10","8","5","1") = "9"
    & skf18("6","9","8","10","8","6","1") = "9"
    & skf18("6","9","8","10","8","7","1") = "9"
    & skf18("6","9","8","10","8","8","1") = "9"
    & skf18("6","9","8","10","8","9","1") = "9"
    & skf18("6","9","8","10","8","10","1") = "9"
    & skf18("6","9","8","10","9","1","1") = "9"
    & skf18("6","9","8","10","9","2","1") = "9"
    & skf18("6","9","8","10","9","3","1") = "9"
    & skf18("6","9","8","10","9","4","1") = "9"
    & skf18("6","9","8","10","9","5","1") = "9"
    & skf18("6","9","8","10","9","6","1") = "9"
    & skf18("6","9","8","10","9","7","1") = "9"
    & skf18("6","9","8","10","9","8","1") = "9"
    & skf18("6","9","8","10","9","9","1") = "9"
    & skf18("6","9","8","10","9","10","1") = "9"
    & skf18("6","9","8","10","10","1","1") = "9"
    & skf18("6","9","8","10","10","2","1") = "9"
    & skf18("6","9","8","10","10","3","1") = "9"
    & skf18("6","9","8","10","10","4","1") = "9"
    & skf18("6","9","8","10","10","5","1") = "9"
    & skf18("6","9","8","10","10","6","1") = "9"
    & skf18("6","9","8","10","10","7","1") = "9"
    & skf18("6","9","8","10","10","8","1") = "9"
    & skf18("6","9","8","10","10","9","1") = "9"
    & skf18("6","9","8","10","10","10","1") = "9"
    & skf18("6","9","9","1","1","1","1") = "8"
    & skf18("6","9","9","1","1","2","1") = "8"
    & skf18("6","9","9","1","1","3","1") = "8"
    & skf18("6","9","9","1","1","4","1") = "8"
    & skf18("6","9","9","1","1","5","1") = "8"
    & skf18("6","9","9","1","1","6","1") = "8"
    & skf18("6","9","9","1","1","7","1") = "8"
    & skf18("6","9","9","1","1","8","1") = "8"
    & skf18("6","9","9","1","1","9","1") = "8"
    & skf18("6","9","9","1","1","10","1") = "9"
    & skf18("6","9","9","1","2","1","1") = "8"
    & skf18("6","9","9","1","2","2","1") = "8"
    & skf18("6","9","9","1","2","3","1") = "8"
    & skf18("6","9","9","1","2","4","1") = "8"
    & skf18("6","9","9","1","2","5","1") = "8"
    & skf18("6","9","9","1","2","6","1") = "8"
    & skf18("6","9","9","1","2","7","1") = "8"
    & skf18("6","9","9","1","2","8","1") = "8"
    & skf18("6","9","9","1","2","9","1") = "8"
    & skf18("6","9","9","1","2","10","1") = "9"
    & skf18("6","9","9","1","3","1","1") = "8"
    & skf18("6","9","9","1","3","2","1") = "8"
    & skf18("6","9","9","1","3","3","1") = "8"
    & skf18("6","9","9","1","3","4","1") = "8"
    & skf18("6","9","9","1","3","5","1") = "8"
    & skf18("6","9","9","1","3","6","1") = "8"
    & skf18("6","9","9","1","3","7","1") = "8"
    & skf18("6","9","9","1","3","8","1") = "8"
    & skf18("6","9","9","1","3","9","1") = "8"
    & skf18("6","9","9","1","3","10","1") = "9"
    & skf18("6","9","9","1","4","1","1") = "8"
    & skf18("6","9","9","1","4","2","1") = "8"
    & skf18("6","9","9","1","4","3","1") = "8"
    & skf18("6","9","9","1","4","4","1") = "8"
    & skf18("6","9","9","1","4","5","1") = "8"
    & skf18("6","9","9","1","4","6","1") = "8"
    & skf18("6","9","9","1","4","7","1") = "8"
    & skf18("6","9","9","1","4","8","1") = "8"
    & skf18("6","9","9","1","4","9","1") = "8"
    & skf18("6","9","9","1","4","10","1") = "9"
    & skf18("6","9","9","1","5","1","1") = "8"
    & skf18("6","9","9","1","5","2","1") = "8"
    & skf18("6","9","9","1","5","3","1") = "8"
    & skf18("6","9","9","1","5","4","1") = "8"
    & skf18("6","9","9","1","5","5","1") = "8"
    & skf18("6","9","9","1","5","6","1") = "8"
    & skf18("6","9","9","1","5","7","1") = "8"
    & skf18("6","9","9","1","5","8","1") = "8"
    & skf18("6","9","9","1","5","9","1") = "8"
    & skf18("6","9","9","1","5","10","1") = "9"
    & skf18("6","9","9","1","6","1","1") = "8"
    & skf18("6","9","9","1","6","2","1") = "8"
    & skf18("6","9","9","1","6","3","1") = "8"
    & skf18("6","9","9","1","6","4","1") = "8"
    & skf18("6","9","9","1","6","5","1") = "8"
    & skf18("6","9","9","1","6","6","1") = "8"
    & skf18("6","9","9","1","6","7","1") = "8"
    & skf18("6","9","9","1","6","8","1") = "8"
    & skf18("6","9","9","1","6","9","1") = "8"
    & skf18("6","9","9","1","6","10","1") = "9"
    & skf18("6","9","9","1","7","1","1") = "8"
    & skf18("6","9","9","1","7","2","1") = "8"
    & skf18("6","9","9","1","7","3","1") = "8"
    & skf18("6","9","9","1","7","4","1") = "8"
    & skf18("6","9","9","1","7","5","1") = "8"
    & skf18("6","9","9","1","7","6","1") = "8"
    & skf18("6","9","9","1","7","7","1") = "8"
    & skf18("6","9","9","1","7","8","1") = "8"
    & skf18("6","9","9","1","7","9","1") = "8"
    & skf18("6","9","9","1","7","10","1") = "9"
    & skf18("6","9","9","1","8","1","1") = "8"
    & skf18("6","9","9","1","8","2","1") = "8"
    & skf18("6","9","9","1","8","3","1") = "8"
    & skf18("6","9","9","1","8","4","1") = "8"
    & skf18("6","9","9","1","8","5","1") = "8"
    & skf18("6","9","9","1","8","6","1") = "8"
    & skf18("6","9","9","1","8","7","1") = "8"
    & skf18("6","9","9","1","8","8","1") = "8"
    & skf18("6","9","9","1","8","9","1") = "8"
    & skf18("6","9","9","1","8","10","1") = "9"
    & skf18("6","9","9","1","9","1","1") = "8"
    & skf18("6","9","9","1","9","2","1") = "8"
    & skf18("6","9","9","1","9","3","1") = "8"
    & skf18("6","9","9","1","9","4","1") = "8"
    & skf18("6","9","9","1","9","5","1") = "8"
    & skf18("6","9","9","1","9","6","1") = "8"
    & skf18("6","9","9","1","9","7","1") = "8"
    & skf18("6","9","9","1","9","8","1") = "8"
    & skf18("6","9","9","1","9","9","1") = "8"
    & skf18("6","9","9","1","9","10","1") = "9"
    & skf18("6","9","9","1","10","1","1") = "9"
    & skf18("6","9","9","1","10","2","1") = "9"
    & skf18("6","9","9","1","10","3","1") = "9"
    & skf18("6","9","9","1","10","4","1") = "9"
    & skf18("6","9","9","1","10","5","1") = "9"
    & skf18("6","9","9","1","10","6","1") = "9"
    & skf18("6","9","9","1","10","7","1") = "9"
    & skf18("6","9","9","1","10","8","1") = "9"
    & skf18("6","9","9","1","10","9","1") = "9"
    & skf18("6","9","9","1","10","10","1") = "9"
    & skf18("6","9","9","2","1","1","1") = "8"
    & skf18("6","9","9","2","1","2","1") = "8"
    & skf18("6","9","9","2","1","3","1") = "8"
    & skf18("6","9","9","2","1","4","1") = "8"
    & skf18("6","9","9","2","1","5","1") = "8"
    & skf18("6","9","9","2","1","6","1") = "8"
    & skf18("6","9","9","2","1","7","1") = "8"
    & skf18("6","9","9","2","1","8","1") = "8"
    & skf18("6","9","9","2","1","9","1") = "8"
    & skf18("6","9","9","2","1","10","1") = "9"
    & skf18("6","9","9","2","2","1","1") = "8"
    & skf18("6","9","9","2","2","2","1") = "8"
    & skf18("6","9","9","2","2","3","1") = "8"
    & skf18("6","9","9","2","2","4","1") = "8"
    & skf18("6","9","9","2","2","5","1") = "8"
    & skf18("6","9","9","2","2","6","1") = "8"
    & skf18("6","9","9","2","2","7","1") = "8"
    & skf18("6","9","9","2","2","8","1") = "8"
    & skf18("6","9","9","2","2","9","1") = "8"
    & skf18("6","9","9","2","2","10","1") = "9"
    & skf18("6","9","9","2","3","1","1") = "8"
    & skf18("6","9","9","2","3","2","1") = "8"
    & skf18("6","9","9","2","3","3","1") = "8"
    & skf18("6","9","9","2","3","4","1") = "8"
    & skf18("6","9","9","2","3","5","1") = "8"
    & skf18("6","9","9","2","3","6","1") = "8"
    & skf18("6","9","9","2","3","7","1") = "8"
    & skf18("6","9","9","2","3","8","1") = "8"
    & skf18("6","9","9","2","3","9","1") = "8"
    & skf18("6","9","9","2","3","10","1") = "9"
    & skf18("6","9","9","2","4","1","1") = "8"
    & skf18("6","9","9","2","4","2","1") = "8"
    & skf18("6","9","9","2","4","3","1") = "8"
    & skf18("6","9","9","2","4","4","1") = "8"
    & skf18("6","9","9","2","4","5","1") = "8"
    & skf18("6","9","9","2","4","6","1") = "8"
    & skf18("6","9","9","2","4","7","1") = "8"
    & skf18("6","9","9","2","4","8","1") = "8"
    & skf18("6","9","9","2","4","9","1") = "8"
    & skf18("6","9","9","2","4","10","1") = "9"
    & skf18("6","9","9","2","5","1","1") = "8"
    & skf18("6","9","9","2","5","2","1") = "8"
    & skf18("6","9","9","2","5","3","1") = "8"
    & skf18("6","9","9","2","5","4","1") = "8"
    & skf18("6","9","9","2","5","5","1") = "8"
    & skf18("6","9","9","2","5","6","1") = "8"
    & skf18("6","9","9","2","5","7","1") = "8"
    & skf18("6","9","9","2","5","8","1") = "8"
    & skf18("6","9","9","2","5","9","1") = "8"
    & skf18("6","9","9","2","5","10","1") = "9"
    & skf18("6","9","9","2","6","1","1") = "8"
    & skf18("6","9","9","2","6","2","1") = "8"
    & skf18("6","9","9","2","6","3","1") = "8"
    & skf18("6","9","9","2","6","4","1") = "8"
    & skf18("6","9","9","2","6","5","1") = "8"
    & skf18("6","9","9","2","6","6","1") = "8"
    & skf18("6","9","9","2","6","7","1") = "8"
    & skf18("6","9","9","2","6","8","1") = "8"
    & skf18("6","9","9","2","6","9","1") = "8"
    & skf18("6","9","9","2","6","10","1") = "9"
    & skf18("6","9","9","2","7","1","1") = "8"
    & skf18("6","9","9","2","7","2","1") = "8"
    & skf18("6","9","9","2","7","3","1") = "8"
    & skf18("6","9","9","2","7","4","1") = "8"
    & skf18("6","9","9","2","7","5","1") = "8"
    & skf18("6","9","9","2","7","6","1") = "8"
    & skf18("6","9","9","2","7","7","1") = "8"
    & skf18("6","9","9","2","7","8","1") = "8"
    & skf18("6","9","9","2","7","9","1") = "8"
    & skf18("6","9","9","2","7","10","1") = "9"
    & skf18("6","9","9","2","8","1","1") = "8"
    & skf18("6","9","9","2","8","2","1") = "8"
    & skf18("6","9","9","2","8","3","1") = "8"
    & skf18("6","9","9","2","8","4","1") = "8"
    & skf18("6","9","9","2","8","5","1") = "8"
    & skf18("6","9","9","2","8","6","1") = "8"
    & skf18("6","9","9","2","8","7","1") = "8"
    & skf18("6","9","9","2","8","8","1") = "8"
    & skf18("6","9","9","2","8","9","1") = "8"
    & skf18("6","9","9","2","8","10","1") = "9"
    & skf18("6","9","9","2","9","1","1") = "8"
    & skf18("6","9","9","2","9","2","1") = "8"
    & skf18("6","9","9","2","9","3","1") = "8"
    & skf18("6","9","9","2","9","4","1") = "8"
    & skf18("6","9","9","2","9","5","1") = "8"
    & skf18("6","9","9","2","9","6","1") = "8"
    & skf18("6","9","9","2","9","7","1") = "8"
    & skf18("6","9","9","2","9","8","1") = "8"
    & skf18("6","9","9","2","9","9","1") = "8"
    & skf18("6","9","9","2","9","10","1") = "9"
    & skf18("6","9","9","2","10","1","1") = "9"
    & skf18("6","9","9","2","10","2","1") = "9"
    & skf18("6","9","9","2","10","3","1") = "9"
    & skf18("6","9","9","2","10","4","1") = "9"
    & skf18("6","9","9","2","10","5","1") = "9"
    & skf18("6","9","9","2","10","6","1") = "9"
    & skf18("6","9","9","2","10","7","1") = "9"
    & skf18("6","9","9","2","10","8","1") = "9"
    & skf18("6","9","9","2","10","9","1") = "9"
    & skf18("6","9","9","2","10","10","1") = "9"
    & skf18("6","9","9","3","1","1","1") = "8"
    & skf18("6","9","9","3","1","2","1") = "8"
    & skf18("6","9","9","3","1","3","1") = "8"
    & skf18("6","9","9","3","1","4","1") = "8"
    & skf18("6","9","9","3","1","5","1") = "8"
    & skf18("6","9","9","3","1","6","1") = "8"
    & skf18("6","9","9","3","1","7","1") = "8"
    & skf18("6","9","9","3","1","8","1") = "8"
    & skf18("6","9","9","3","1","9","1") = "8"
    & skf18("6","9","9","3","1","10","1") = "9"
    & skf18("6","9","9","3","2","1","1") = "8"
    & skf18("6","9","9","3","2","2","1") = "8"
    & skf18("6","9","9","3","2","3","1") = "8"
    & skf18("6","9","9","3","2","4","1") = "8"
    & skf18("6","9","9","3","2","5","1") = "8"
    & skf18("6","9","9","3","2","6","1") = "8"
    & skf18("6","9","9","3","2","7","1") = "8"
    & skf18("6","9","9","3","2","8","1") = "8"
    & skf18("6","9","9","3","2","9","1") = "8"
    & skf18("6","9","9","3","2","10","1") = "9"
    & skf18("6","9","9","3","3","1","1") = "8"
    & skf18("6","9","9","3","3","2","1") = "8"
    & skf18("6","9","9","3","3","3","1") = "8"
    & skf18("6","9","9","3","3","4","1") = "8"
    & skf18("6","9","9","3","3","5","1") = "8"
    & skf18("6","9","9","3","3","6","1") = "8"
    & skf18("6","9","9","3","3","7","1") = "8"
    & skf18("6","9","9","3","3","8","1") = "8"
    & skf18("6","9","9","3","3","9","1") = "8"
    & skf18("6","9","9","3","3","10","1") = "9"
    & skf18("6","9","9","3","4","1","1") = "8"
    & skf18("6","9","9","3","4","2","1") = "8"
    & skf18("6","9","9","3","4","3","1") = "8"
    & skf18("6","9","9","3","4","4","1") = "8"
    & skf18("6","9","9","3","4","5","1") = "8"
    & skf18("6","9","9","3","4","6","1") = "8"
    & skf18("6","9","9","3","4","7","1") = "8"
    & skf18("6","9","9","3","4","8","1") = "8"
    & skf18("6","9","9","3","4","9","1") = "8"
    & skf18("6","9","9","3","4","10","1") = "9"
    & skf18("6","9","9","3","5","1","1") = "8"
    & skf18("6","9","9","3","5","2","1") = "8"
    & skf18("6","9","9","3","5","3","1") = "8"
    & skf18("6","9","9","3","5","4","1") = "8"
    & skf18("6","9","9","3","5","5","1") = "8"
    & skf18("6","9","9","3","5","6","1") = "8"
    & skf18("6","9","9","3","5","7","1") = "8"
    & skf18("6","9","9","3","5","8","1") = "8"
    & skf18("6","9","9","3","5","9","1") = "8"
    & skf18("6","9","9","3","5","10","1") = "9"
    & skf18("6","9","9","3","6","1","1") = "8"
    & skf18("6","9","9","3","6","2","1") = "8"
    & skf18("6","9","9","3","6","3","1") = "8"
    & skf18("6","9","9","3","6","4","1") = "8"
    & skf18("6","9","9","3","6","5","1") = "8"
    & skf18("6","9","9","3","6","6","1") = "8"
    & skf18("6","9","9","3","6","7","1") = "8"
    & skf18("6","9","9","3","6","8","1") = "8"
    & skf18("6","9","9","3","6","9","1") = "8"
    & skf18("6","9","9","3","6","10","1") = "9"
    & skf18("6","9","9","3","7","1","1") = "8"
    & skf18("6","9","9","3","7","2","1") = "8"
    & skf18("6","9","9","3","7","3","1") = "8"
    & skf18("6","9","9","3","7","4","1") = "8"
    & skf18("6","9","9","3","7","5","1") = "8"
    & skf18("6","9","9","3","7","6","1") = "8"
    & skf18("6","9","9","3","7","7","1") = "8"
    & skf18("6","9","9","3","7","8","1") = "8"
    & skf18("6","9","9","3","7","9","1") = "8"
    & skf18("6","9","9","3","7","10","1") = "9"
    & skf18("6","9","9","3","8","1","1") = "8"
    & skf18("6","9","9","3","8","2","1") = "8"
    & skf18("6","9","9","3","8","3","1") = "8"
    & skf18("6","9","9","3","8","4","1") = "8"
    & skf18("6","9","9","3","8","5","1") = "8"
    & skf18("6","9","9","3","8","6","1") = "8"
    & skf18("6","9","9","3","8","7","1") = "8"
    & skf18("6","9","9","3","8","8","1") = "8"
    & skf18("6","9","9","3","8","9","1") = "8"
    & skf18("6","9","9","3","8","10","1") = "9"
    & skf18("6","9","9","3","9","1","1") = "8"
    & skf18("6","9","9","3","9","2","1") = "8"
    & skf18("6","9","9","3","9","3","1") = "8"
    & skf18("6","9","9","3","9","4","1") = "8"
    & skf18("6","9","9","3","9","5","1") = "8"
    & skf18("6","9","9","3","9","6","1") = "8"
    & skf18("6","9","9","3","9","7","1") = "8"
    & skf18("6","9","9","3","9","8","1") = "8"
    & skf18("6","9","9","3","9","9","1") = "8"
    & skf18("6","9","9","3","9","10","1") = "9"
    & skf18("6","9","9","3","10","1","1") = "9"
    & skf18("6","9","9","3","10","2","1") = "9"
    & skf18("6","9","9","3","10","3","1") = "9"
    & skf18("6","9","9","3","10","4","1") = "9"
    & skf18("6","9","9","3","10","5","1") = "9"
    & skf18("6","9","9","3","10","6","1") = "9"
    & skf18("6","9","9","3","10","7","1") = "9"
    & skf18("6","9","9","3","10","8","1") = "9"
    & skf18("6","9","9","3","10","9","1") = "9"
    & skf18("6","9","9","3","10","10","1") = "9"
    & skf18("6","9","9","4","1","1","1") = "8"
    & skf18("6","9","9","4","1","2","1") = "8"
    & skf18("6","9","9","4","1","3","1") = "8"
    & skf18("6","9","9","4","1","4","1") = "8"
    & skf18("6","9","9","4","1","5","1") = "8"
    & skf18("6","9","9","4","1","6","1") = "8"
    & skf18("6","9","9","4","1","7","1") = "8"
    & skf18("6","9","9","4","1","8","1") = "8"
    & skf18("6","9","9","4","1","9","1") = "8"
    & skf18("6","9","9","4","1","10","1") = "9"
    & skf18("6","9","9","4","2","1","1") = "8"
    & skf18("6","9","9","4","2","2","1") = "8"
    & skf18("6","9","9","4","2","3","1") = "8"
    & skf18("6","9","9","4","2","4","1") = "8"
    & skf18("6","9","9","4","2","5","1") = "8"
    & skf18("6","9","9","4","2","6","1") = "8"
    & skf18("6","9","9","4","2","7","1") = "8"
    & skf18("6","9","9","4","2","8","1") = "8"
    & skf18("6","9","9","4","2","9","1") = "8"
    & skf18("6","9","9","4","2","10","1") = "9"
    & skf18("6","9","9","4","3","1","1") = "8"
    & skf18("6","9","9","4","3","2","1") = "8"
    & skf18("6","9","9","4","3","3","1") = "8"
    & skf18("6","9","9","4","3","4","1") = "8"
    & skf18("6","9","9","4","3","5","1") = "8"
    & skf18("6","9","9","4","3","6","1") = "8"
    & skf18("6","9","9","4","3","7","1") = "8"
    & skf18("6","9","9","4","3","8","1") = "8"
    & skf18("6","9","9","4","3","9","1") = "8"
    & skf18("6","9","9","4","3","10","1") = "9"
    & skf18("6","9","9","4","4","1","1") = "8"
    & skf18("6","9","9","4","4","2","1") = "8"
    & skf18("6","9","9","4","4","3","1") = "8"
    & skf18("6","9","9","4","4","4","1") = "8"
    & skf18("6","9","9","4","4","5","1") = "8"
    & skf18("6","9","9","4","4","6","1") = "8"
    & skf18("6","9","9","4","4","7","1") = "8"
    & skf18("6","9","9","4","4","8","1") = "8"
    & skf18("6","9","9","4","4","9","1") = "8"
    & skf18("6","9","9","4","4","10","1") = "9"
    & skf18("6","9","9","4","5","1","1") = "8"
    & skf18("6","9","9","4","5","2","1") = "8"
    & skf18("6","9","9","4","5","3","1") = "8"
    & skf18("6","9","9","4","5","4","1") = "8"
    & skf18("6","9","9","4","5","5","1") = "8"
    & skf18("6","9","9","4","5","6","1") = "8"
    & skf18("6","9","9","4","5","7","1") = "8"
    & skf18("6","9","9","4","5","8","1") = "8"
    & skf18("6","9","9","4","5","9","1") = "8"
    & skf18("6","9","9","4","5","10","1") = "9"
    & skf18("6","9","9","4","6","1","1") = "8"
    & skf18("6","9","9","4","6","2","1") = "8"
    & skf18("6","9","9","4","6","3","1") = "8"
    & skf18("6","9","9","4","6","4","1") = "8"
    & skf18("6","9","9","4","6","5","1") = "8"
    & skf18("6","9","9","4","6","6","1") = "8"
    & skf18("6","9","9","4","6","7","1") = "8"
    & skf18("6","9","9","4","6","8","1") = "8"
    & skf18("6","9","9","4","6","9","1") = "8"
    & skf18("6","9","9","4","6","10","1") = "9"
    & skf18("6","9","9","4","7","1","1") = "8"
    & skf18("6","9","9","4","7","2","1") = "8"
    & skf18("6","9","9","4","7","3","1") = "8"
    & skf18("6","9","9","4","7","4","1") = "8"
    & skf18("6","9","9","4","7","5","1") = "8"
    & skf18("6","9","9","4","7","6","1") = "8"
    & skf18("6","9","9","4","7","7","1") = "8"
    & skf18("6","9","9","4","7","8","1") = "8"
    & skf18("6","9","9","4","7","9","1") = "8"
    & skf18("6","9","9","4","7","10","1") = "9"
    & skf18("6","9","9","4","8","1","1") = "8"
    & skf18("6","9","9","4","8","2","1") = "8"
    & skf18("6","9","9","4","8","3","1") = "8"
    & skf18("6","9","9","4","8","4","1") = "8"
    & skf18("6","9","9","4","8","5","1") = "8"
    & skf18("6","9","9","4","8","6","1") = "8"
    & skf18("6","9","9","4","8","7","1") = "8"
    & skf18("6","9","9","4","8","8","1") = "8"
    & skf18("6","9","9","4","8","9","1") = "8"
    & skf18("6","9","9","4","8","10","1") = "9"
    & skf18("6","9","9","4","9","1","1") = "8"
    & skf18("6","9","9","4","9","2","1") = "8"
    & skf18("6","9","9","4","9","3","1") = "8"
    & skf18("6","9","9","4","9","4","1") = "8"
    & skf18("6","9","9","4","9","5","1") = "8"
    & skf18("6","9","9","4","9","6","1") = "8"
    & skf18("6","9","9","4","9","7","1") = "8"
    & skf18("6","9","9","4","9","8","1") = "8"
    & skf18("6","9","9","4","9","9","1") = "8"
    & skf18("6","9","9","4","9","10","1") = "9"
    & skf18("6","9","9","4","10","1","1") = "9"
    & skf18("6","9","9","4","10","2","1") = "9"
    & skf18("6","9","9","4","10","3","1") = "9"
    & skf18("6","9","9","4","10","4","1") = "9"
    & skf18("6","9","9","4","10","5","1") = "9"
    & skf18("6","9","9","4","10","6","1") = "9"
    & skf18("6","9","9","4","10","7","1") = "9"
    & skf18("6","9","9","4","10","8","1") = "9"
    & skf18("6","9","9","4","10","9","1") = "9"
    & skf18("6","9","9","4","10","10","1") = "9"
    & skf18("6","9","9","5","1","1","1") = "8"
    & skf18("6","9","9","5","1","2","1") = "8"
    & skf18("6","9","9","5","1","3","1") = "8"
    & skf18("6","9","9","5","1","4","1") = "8"
    & skf18("6","9","9","5","1","5","1") = "8"
    & skf18("6","9","9","5","1","6","1") = "8"
    & skf18("6","9","9","5","1","7","1") = "8"
    & skf18("6","9","9","5","1","8","1") = "8"
    & skf18("6","9","9","5","1","9","1") = "8"
    & skf18("6","9","9","5","1","10","1") = "9"
    & skf18("6","9","9","5","2","1","1") = "8"
    & skf18("6","9","9","5","2","2","1") = "8"
    & skf18("6","9","9","5","2","3","1") = "8"
    & skf18("6","9","9","5","2","4","1") = "8"
    & skf18("6","9","9","5","2","5","1") = "8"
    & skf18("6","9","9","5","2","6","1") = "8"
    & skf18("6","9","9","5","2","7","1") = "8"
    & skf18("6","9","9","5","2","8","1") = "8"
    & skf18("6","9","9","5","2","9","1") = "8"
    & skf18("6","9","9","5","2","10","1") = "9"
    & skf18("6","9","9","5","3","1","1") = "8"
    & skf18("6","9","9","5","3","2","1") = "8"
    & skf18("6","9","9","5","3","3","1") = "8"
    & skf18("6","9","9","5","3","4","1") = "8"
    & skf18("6","9","9","5","3","5","1") = "8"
    & skf18("6","9","9","5","3","6","1") = "8"
    & skf18("6","9","9","5","3","7","1") = "8"
    & skf18("6","9","9","5","3","8","1") = "8"
    & skf18("6","9","9","5","3","9","1") = "8"
    & skf18("6","9","9","5","3","10","1") = "9"
    & skf18("6","9","9","5","4","1","1") = "8"
    & skf18("6","9","9","5","4","2","1") = "8"
    & skf18("6","9","9","5","4","3","1") = "8"
    & skf18("6","9","9","5","4","4","1") = "8"
    & skf18("6","9","9","5","4","5","1") = "8"
    & skf18("6","9","9","5","4","6","1") = "8"
    & skf18("6","9","9","5","4","7","1") = "8"
    & skf18("6","9","9","5","4","8","1") = "8"
    & skf18("6","9","9","5","4","9","1") = "8"
    & skf18("6","9","9","5","4","10","1") = "9"
    & skf18("6","9","9","5","5","1","1") = "8"
    & skf18("6","9","9","5","5","2","1") = "8"
    & skf18("6","9","9","5","5","3","1") = "8"
    & skf18("6","9","9","5","5","4","1") = "8"
    & skf18("6","9","9","5","5","5","1") = "8"
    & skf18("6","9","9","5","5","6","1") = "8"
    & skf18("6","9","9","5","5","7","1") = "8"
    & skf18("6","9","9","5","5","8","1") = "8"
    & skf18("6","9","9","5","5","9","1") = "8"
    & skf18("6","9","9","5","5","10","1") = "9"
    & skf18("6","9","9","5","6","1","1") = "8"
    & skf18("6","9","9","5","6","2","1") = "8"
    & skf18("6","9","9","5","6","3","1") = "8"
    & skf18("6","9","9","5","6","4","1") = "8"
    & skf18("6","9","9","5","6","5","1") = "8"
    & skf18("6","9","9","5","6","6","1") = "8"
    & skf18("6","9","9","5","6","7","1") = "8"
    & skf18("6","9","9","5","6","8","1") = "8"
    & skf18("6","9","9","5","6","9","1") = "8"
    & skf18("6","9","9","5","6","10","1") = "9"
    & skf18("6","9","9","5","7","1","1") = "8"
    & skf18("6","9","9","5","7","2","1") = "8"
    & skf18("6","9","9","5","7","3","1") = "8"
    & skf18("6","9","9","5","7","4","1") = "8"
    & skf18("6","9","9","5","7","5","1") = "8"
    & skf18("6","9","9","5","7","6","1") = "8"
    & skf18("6","9","9","5","7","7","1") = "8"
    & skf18("6","9","9","5","7","8","1") = "8"
    & skf18("6","9","9","5","7","9","1") = "8"
    & skf18("6","9","9","5","7","10","1") = "9"
    & skf18("6","9","9","5","8","1","1") = "8"
    & skf18("6","9","9","5","8","2","1") = "8"
    & skf18("6","9","9","5","8","3","1") = "8"
    & skf18("6","9","9","5","8","4","1") = "8"
    & skf18("6","9","9","5","8","5","1") = "8"
    & skf18("6","9","9","5","8","6","1") = "8"
    & skf18("6","9","9","5","8","7","1") = "8"
    & skf18("6","9","9","5","8","8","1") = "8"
    & skf18("6","9","9","5","8","9","1") = "8"
    & skf18("6","9","9","5","8","10","1") = "9"
    & skf18("6","9","9","5","9","1","1") = "8"
    & skf18("6","9","9","5","9","2","1") = "8"
    & skf18("6","9","9","5","9","3","1") = "8"
    & skf18("6","9","9","5","9","4","1") = "8"
    & skf18("6","9","9","5","9","5","1") = "8"
    & skf18("6","9","9","5","9","6","1") = "8"
    & skf18("6","9","9","5","9","7","1") = "8"
    & skf18("6","9","9","5","9","8","1") = "8"
    & skf18("6","9","9","5","9","9","1") = "8"
    & skf18("6","9","9","5","9","10","1") = "9"
    & skf18("6","9","9","5","10","1","1") = "9"
    & skf18("6","9","9","5","10","2","1") = "9"
    & skf18("6","9","9","5","10","3","1") = "9"
    & skf18("6","9","9","5","10","4","1") = "9"
    & skf18("6","9","9","5","10","5","1") = "9"
    & skf18("6","9","9","5","10","6","1") = "9"
    & skf18("6","9","9","5","10","7","1") = "9"
    & skf18("6","9","9","5","10","8","1") = "9"
    & skf18("6","9","9","5","10","9","1") = "9"
    & skf18("6","9","9","5","10","10","1") = "9"
    & skf18("6","9","9","6","1","1","1") = "8"
    & skf18("6","9","9","6","1","2","1") = "8"
    & skf18("6","9","9","6","1","3","1") = "8"
    & skf18("6","9","9","6","1","4","1") = "8"
    & skf18("6","9","9","6","1","5","1") = "8"
    & skf18("6","9","9","6","1","6","1") = "8"
    & skf18("6","9","9","6","1","7","1") = "8"
    & skf18("6","9","9","6","1","8","1") = "8"
    & skf18("6","9","9","6","1","9","1") = "8"
    & skf18("6","9","9","6","1","10","1") = "9"
    & skf18("6","9","9","6","2","1","1") = "8"
    & skf18("6","9","9","6","2","2","1") = "8"
    & skf18("6","9","9","6","2","3","1") = "8"
    & skf18("6","9","9","6","2","4","1") = "8"
    & skf18("6","9","9","6","2","5","1") = "8"
    & skf18("6","9","9","6","2","6","1") = "8"
    & skf18("6","9","9","6","2","7","1") = "8"
    & skf18("6","9","9","6","2","8","1") = "8"
    & skf18("6","9","9","6","2","9","1") = "8"
    & skf18("6","9","9","6","2","10","1") = "9"
    & skf18("6","9","9","6","3","1","1") = "8"
    & skf18("6","9","9","6","3","2","1") = "8"
    & skf18("6","9","9","6","3","3","1") = "8"
    & skf18("6","9","9","6","3","4","1") = "8"
    & skf18("6","9","9","6","3","5","1") = "8"
    & skf18("6","9","9","6","3","6","1") = "8"
    & skf18("6","9","9","6","3","7","1") = "8"
    & skf18("6","9","9","6","3","8","1") = "8"
    & skf18("6","9","9","6","3","9","1") = "8"
    & skf18("6","9","9","6","3","10","1") = "9"
    & skf18("6","9","9","6","4","1","1") = "8"
    & skf18("6","9","9","6","4","2","1") = "8"
    & skf18("6","9","9","6","4","3","1") = "8"
    & skf18("6","9","9","6","4","4","1") = "8"
    & skf18("6","9","9","6","4","5","1") = "8"
    & skf18("6","9","9","6","4","6","1") = "8"
    & skf18("6","9","9","6","4","7","1") = "8"
    & skf18("6","9","9","6","4","8","1") = "8"
    & skf18("6","9","9","6","4","9","1") = "8"
    & skf18("6","9","9","6","4","10","1") = "9"
    & skf18("6","9","9","6","5","1","1") = "8"
    & skf18("6","9","9","6","5","2","1") = "8"
    & skf18("6","9","9","6","5","3","1") = "8"
    & skf18("6","9","9","6","5","4","1") = "8"
    & skf18("6","9","9","6","5","5","1") = "8"
    & skf18("6","9","9","6","5","6","1") = "8"
    & skf18("6","9","9","6","5","7","1") = "8"
    & skf18("6","9","9","6","5","8","1") = "8"
    & skf18("6","9","9","6","5","9","1") = "8"
    & skf18("6","9","9","6","5","10","1") = "9"
    & skf18("6","9","9","6","6","1","1") = "8"
    & skf18("6","9","9","6","6","2","1") = "8"
    & skf18("6","9","9","6","6","3","1") = "8"
    & skf18("6","9","9","6","6","4","1") = "8"
    & skf18("6","9","9","6","6","5","1") = "8"
    & skf18("6","9","9","6","6","6","1") = "8"
    & skf18("6","9","9","6","6","7","1") = "8"
    & skf18("6","9","9","6","6","8","1") = "8"
    & skf18("6","9","9","6","6","9","1") = "8"
    & skf18("6","9","9","6","6","10","1") = "9"
    & skf18("6","9","9","6","7","1","1") = "8"
    & skf18("6","9","9","6","7","2","1") = "8"
    & skf18("6","9","9","6","7","3","1") = "8"
    & skf18("6","9","9","6","7","4","1") = "8"
    & skf18("6","9","9","6","7","5","1") = "8"
    & skf18("6","9","9","6","7","6","1") = "8"
    & skf18("6","9","9","6","7","7","1") = "8"
    & skf18("6","9","9","6","7","8","1") = "8"
    & skf18("6","9","9","6","7","9","1") = "8"
    & skf18("6","9","9","6","7","10","1") = "9"
    & skf18("6","9","9","6","8","1","1") = "8"
    & skf18("6","9","9","6","8","2","1") = "8"
    & skf18("6","9","9","6","8","3","1") = "8"
    & skf18("6","9","9","6","8","4","1") = "8"
    & skf18("6","9","9","6","8","5","1") = "8"
    & skf18("6","9","9","6","8","6","1") = "8"
    & skf18("6","9","9","6","8","7","1") = "8"
    & skf18("6","9","9","6","8","8","1") = "8"
    & skf18("6","9","9","6","8","9","1") = "8"
    & skf18("6","9","9","6","8","10","1") = "9"
    & skf18("6","9","9","6","9","1","1") = "8"
    & skf18("6","9","9","6","9","2","1") = "8"
    & skf18("6","9","9","6","9","3","1") = "8"
    & skf18("6","9","9","6","9","4","1") = "8"
    & skf18("6","9","9","6","9","5","1") = "8"
    & skf18("6","9","9","6","9","6","1") = "8"
    & skf18("6","9","9","6","9","7","1") = "8"
    & skf18("6","9","9","6","9","8","1") = "8"
    & skf18("6","9","9","6","9","9","1") = "8"
    & skf18("6","9","9","6","9","10","1") = "9"
    & skf18("6","9","9","6","10","1","1") = "9"
    & skf18("6","9","9","6","10","2","1") = "9"
    & skf18("6","9","9","6","10","3","1") = "9"
    & skf18("6","9","9","6","10","4","1") = "9"
    & skf18("6","9","9","6","10","5","1") = "9"
    & skf18("6","9","9","6","10","6","1") = "9"
    & skf18("6","9","9","6","10","7","1") = "9"
    & skf18("6","9","9","6","10","8","1") = "9"
    & skf18("6","9","9","6","10","9","1") = "9"
    & skf18("6","9","9","6","10","10","1") = "9"
    & skf18("6","9","9","7","1","1","1") = "8"
    & skf18("6","9","9","7","1","2","1") = "8"
    & skf18("6","9","9","7","1","3","1") = "8"
    & skf18("6","9","9","7","1","4","1") = "8"
    & skf18("6","9","9","7","1","5","1") = "8"
    & skf18("6","9","9","7","1","6","1") = "8"
    & skf18("6","9","9","7","1","7","1") = "8"
    & skf18("6","9","9","7","1","8","1") = "8"
    & skf18("6","9","9","7","1","9","1") = "8"
    & skf18("6","9","9","7","1","10","1") = "9"
    & skf18("6","9","9","7","2","1","1") = "8"
    & skf18("6","9","9","7","2","2","1") = "8"
    & skf18("6","9","9","7","2","3","1") = "8"
    & skf18("6","9","9","7","2","4","1") = "8"
    & skf18("6","9","9","7","2","5","1") = "8"
    & skf18("6","9","9","7","2","6","1") = "8"
    & skf18("6","9","9","7","2","7","1") = "8"
    & skf18("6","9","9","7","2","8","1") = "8"
    & skf18("6","9","9","7","2","9","1") = "8"
    & skf18("6","9","9","7","2","10","1") = "9"
    & skf18("6","9","9","7","3","1","1") = "8"
    & skf18("6","9","9","7","3","2","1") = "8"
    & skf18("6","9","9","7","3","3","1") = "8"
    & skf18("6","9","9","7","3","4","1") = "8"
    & skf18("6","9","9","7","3","5","1") = "8"
    & skf18("6","9","9","7","3","6","1") = "8"
    & skf18("6","9","9","7","3","7","1") = "8"
    & skf18("6","9","9","7","3","8","1") = "8"
    & skf18("6","9","9","7","3","9","1") = "8"
    & skf18("6","9","9","7","3","10","1") = "9"
    & skf18("6","9","9","7","4","1","1") = "8"
    & skf18("6","9","9","7","4","2","1") = "8"
    & skf18("6","9","9","7","4","3","1") = "8"
    & skf18("6","9","9","7","4","4","1") = "8"
    & skf18("6","9","9","7","4","5","1") = "8"
    & skf18("6","9","9","7","4","6","1") = "8"
    & skf18("6","9","9","7","4","7","1") = "8"
    & skf18("6","9","9","7","4","8","1") = "8"
    & skf18("6","9","9","7","4","9","1") = "8"
    & skf18("6","9","9","7","4","10","1") = "9"
    & skf18("6","9","9","7","5","1","1") = "8"
    & skf18("6","9","9","7","5","2","1") = "8"
    & skf18("6","9","9","7","5","3","1") = "8"
    & skf18("6","9","9","7","5","4","1") = "8"
    & skf18("6","9","9","7","5","5","1") = "8"
    & skf18("6","9","9","7","5","6","1") = "8"
    & skf18("6","9","9","7","5","7","1") = "8"
    & skf18("6","9","9","7","5","8","1") = "8"
    & skf18("6","9","9","7","5","9","1") = "8"
    & skf18("6","9","9","7","5","10","1") = "9"
    & skf18("6","9","9","7","6","1","1") = "8"
    & skf18("6","9","9","7","6","2","1") = "8"
    & skf18("6","9","9","7","6","3","1") = "8"
    & skf18("6","9","9","7","6","4","1") = "8"
    & skf18("6","9","9","7","6","5","1") = "8"
    & skf18("6","9","9","7","6","6","1") = "8"
    & skf18("6","9","9","7","6","7","1") = "8"
    & skf18("6","9","9","7","6","8","1") = "8"
    & skf18("6","9","9","7","6","9","1") = "8"
    & skf18("6","9","9","7","6","10","1") = "9"
    & skf18("6","9","9","7","7","1","1") = "8"
    & skf18("6","9","9","7","7","2","1") = "8"
    & skf18("6","9","9","7","7","3","1") = "8"
    & skf18("6","9","9","7","7","4","1") = "8"
    & skf18("6","9","9","7","7","5","1") = "8"
    & skf18("6","9","9","7","7","6","1") = "8"
    & skf18("6","9","9","7","7","7","1") = "8"
    & skf18("6","9","9","7","7","8","1") = "8"
    & skf18("6","9","9","7","7","9","1") = "8"
    & skf18("6","9","9","7","7","10","1") = "9"
    & skf18("6","9","9","7","8","1","1") = "8"
    & skf18("6","9","9","7","8","2","1") = "8"
    & skf18("6","9","9","7","8","3","1") = "8"
    & skf18("6","9","9","7","8","4","1") = "8"
    & skf18("6","9","9","7","8","5","1") = "8"
    & skf18("6","9","9","7","8","6","1") = "8"
    & skf18("6","9","9","7","8","7","1") = "8"
    & skf18("6","9","9","7","8","8","1") = "8"
    & skf18("6","9","9","7","8","9","1") = "8"
    & skf18("6","9","9","7","8","10","1") = "9"
    & skf18("6","9","9","7","9","1","1") = "8"
    & skf18("6","9","9","7","9","2","1") = "8"
    & skf18("6","9","9","7","9","3","1") = "8"
    & skf18("6","9","9","7","9","4","1") = "8"
    & skf18("6","9","9","7","9","5","1") = "8"
    & skf18("6","9","9","7","9","6","1") = "8"
    & skf18("6","9","9","7","9","7","1") = "8"
    & skf18("6","9","9","7","9","8","1") = "8"
    & skf18("6","9","9","7","9","9","1") = "8"
    & skf18("6","9","9","7","9","10","1") = "9"
    & skf18("6","9","9","7","10","1","1") = "9"
    & skf18("6","9","9","7","10","2","1") = "9"
    & skf18("6","9","9","7","10","3","1") = "9"
    & skf18("6","9","9","7","10","4","1") = "9"
    & skf18("6","9","9","7","10","5","1") = "9"
    & skf18("6","9","9","7","10","6","1") = "9"
    & skf18("6","9","9","7","10","7","1") = "9"
    & skf18("6","9","9","7","10","8","1") = "9"
    & skf18("6","9","9","7","10","9","1") = "9"
    & skf18("6","9","9","7","10","10","1") = "9"
    & skf18("6","9","9","8","1","1","1") = "8"
    & skf18("6","9","9","8","1","2","1") = "8"
    & skf18("6","9","9","8","1","3","1") = "8"
    & skf18("6","9","9","8","1","4","1") = "8"
    & skf18("6","9","9","8","1","5","1") = "8"
    & skf18("6","9","9","8","1","6","1") = "8"
    & skf18("6","9","9","8","1","7","1") = "8"
    & skf18("6","9","9","8","1","8","1") = "8"
    & skf18("6","9","9","8","1","9","1") = "8"
    & skf18("6","9","9","8","1","10","1") = "9"
    & skf18("6","9","9","8","2","1","1") = "8"
    & skf18("6","9","9","8","2","2","1") = "8"
    & skf18("6","9","9","8","2","3","1") = "8"
    & skf18("6","9","9","8","2","4","1") = "8"
    & skf18("6","9","9","8","2","5","1") = "8"
    & skf18("6","9","9","8","2","6","1") = "8"
    & skf18("6","9","9","8","2","7","1") = "8"
    & skf18("6","9","9","8","2","8","1") = "8"
    & skf18("6","9","9","8","2","9","1") = "8"
    & skf18("6","9","9","8","2","10","1") = "9"
    & skf18("6","9","9","8","3","1","1") = "8"
    & skf18("6","9","9","8","3","2","1") = "8"
    & skf18("6","9","9","8","3","3","1") = "8"
    & skf18("6","9","9","8","3","4","1") = "8"
    & skf18("6","9","9","8","3","5","1") = "8"
    & skf18("6","9","9","8","3","6","1") = "8"
    & skf18("6","9","9","8","3","7","1") = "8"
    & skf18("6","9","9","8","3","8","1") = "8"
    & skf18("6","9","9","8","3","9","1") = "8"
    & skf18("6","9","9","8","3","10","1") = "9"
    & skf18("6","9","9","8","4","1","1") = "8"
    & skf18("6","9","9","8","4","2","1") = "8"
    & skf18("6","9","9","8","4","3","1") = "8"
    & skf18("6","9","9","8","4","4","1") = "8"
    & skf18("6","9","9","8","4","5","1") = "8"
    & skf18("6","9","9","8","4","6","1") = "8"
    & skf18("6","9","9","8","4","7","1") = "8"
    & skf18("6","9","9","8","4","8","1") = "8"
    & skf18("6","9","9","8","4","9","1") = "8"
    & skf18("6","9","9","8","4","10","1") = "9"
    & skf18("6","9","9","8","5","1","1") = "8"
    & skf18("6","9","9","8","5","2","1") = "8"
    & skf18("6","9","9","8","5","3","1") = "8"
    & skf18("6","9","9","8","5","4","1") = "8"
    & skf18("6","9","9","8","5","5","1") = "8"
    & skf18("6","9","9","8","5","6","1") = "8"
    & skf18("6","9","9","8","5","7","1") = "8"
    & skf18("6","9","9","8","5","8","1") = "8"
    & skf18("6","9","9","8","5","9","1") = "8"
    & skf18("6","9","9","8","5","10","1") = "9"
    & skf18("6","9","9","8","6","1","1") = "8"
    & skf18("6","9","9","8","6","2","1") = "8"
    & skf18("6","9","9","8","6","3","1") = "8"
    & skf18("6","9","9","8","6","4","1") = "8"
    & skf18("6","9","9","8","6","5","1") = "8"
    & skf18("6","9","9","8","6","6","1") = "8"
    & skf18("6","9","9","8","6","7","1") = "8"
    & skf18("6","9","9","8","6","8","1") = "8"
    & skf18("6","9","9","8","6","9","1") = "8"
    & skf18("6","9","9","8","6","10","1") = "9"
    & skf18("6","9","9","8","7","1","1") = "8"
    & skf18("6","9","9","8","7","2","1") = "8"
    & skf18("6","9","9","8","7","3","1") = "8"
    & skf18("6","9","9","8","7","4","1") = "8"
    & skf18("6","9","9","8","7","5","1") = "8"
    & skf18("6","9","9","8","7","6","1") = "8"
    & skf18("6","9","9","8","7","7","1") = "8"
    & skf18("6","9","9","8","7","8","1") = "8"
    & skf18("6","9","9","8","7","9","1") = "8"
    & skf18("6","9","9","8","7","10","1") = "9"
    & skf18("6","9","9","8","8","1","1") = "8"
    & skf18("6","9","9","8","8","2","1") = "8"
    & skf18("6","9","9","8","8","3","1") = "8"
    & skf18("6","9","9","8","8","4","1") = "8"
    & skf18("6","9","9","8","8","5","1") = "8"
    & skf18("6","9","9","8","8","6","1") = "8"
    & skf18("6","9","9","8","8","7","1") = "8"
    & skf18("6","9","9","8","8","8","1") = "8"
    & skf18("6","9","9","8","8","9","1") = "8"
    & skf18("6","9","9","8","8","10","1") = "9"
    & skf18("6","9","9","8","9","1","1") = "8"
    & skf18("6","9","9","8","9","2","1") = "8"
    & skf18("6","9","9","8","9","3","1") = "8"
    & skf18("6","9","9","8","9","4","1") = "8"
    & skf18("6","9","9","8","9","5","1") = "8"
    & skf18("6","9","9","8","9","6","1") = "8"
    & skf18("6","9","9","8","9","7","1") = "8"
    & skf18("6","9","9","8","9","8","1") = "8"
    & skf18("6","9","9","8","9","9","1") = "8"
    & skf18("6","9","9","8","9","10","1") = "9"
    & skf18("6","9","9","8","10","1","1") = "9"
    & skf18("6","9","9","8","10","2","1") = "9"
    & skf18("6","9","9","8","10","3","1") = "9"
    & skf18("6","9","9","8","10","4","1") = "9"
    & skf18("6","9","9","8","10","5","1") = "9"
    & skf18("6","9","9","8","10","6","1") = "9"
    & skf18("6","9","9","8","10","7","1") = "9"
    & skf18("6","9","9","8","10","8","1") = "9"
    & skf18("6","9","9","8","10","9","1") = "9"
    & skf18("6","9","9","8","10","10","1") = "9"
    & skf18("6","9","9","9","1","1","1") = "8"
    & skf18("6","9","9","9","1","2","1") = "8"
    & skf18("6","9","9","9","1","3","1") = "8"
    & skf18("6","9","9","9","1","4","1") = "8"
    & skf18("6","9","9","9","1","5","1") = "8"
    & skf18("6","9","9","9","1","6","1") = "8"
    & skf18("6","9","9","9","1","7","1") = "8"
    & skf18("6","9","9","9","1","8","1") = "8"
    & skf18("6","9","9","9","1","9","1") = "8"
    & skf18("6","9","9","9","1","10","1") = "9"
    & skf18("6","9","9","9","2","1","1") = "8"
    & skf18("6","9","9","9","2","2","1") = "8"
    & skf18("6","9","9","9","2","3","1") = "8"
    & skf18("6","9","9","9","2","4","1") = "8"
    & skf18("6","9","9","9","2","5","1") = "8"
    & skf18("6","9","9","9","2","6","1") = "8"
    & skf18("6","9","9","9","2","7","1") = "8"
    & skf18("6","9","9","9","2","8","1") = "8"
    & skf18("6","9","9","9","2","9","1") = "8"
    & skf18("6","9","9","9","2","10","1") = "9"
    & skf18("6","9","9","9","3","1","1") = "8"
    & skf18("6","9","9","9","3","2","1") = "8"
    & skf18("6","9","9","9","3","3","1") = "8"
    & skf18("6","9","9","9","3","4","1") = "8"
    & skf18("6","9","9","9","3","5","1") = "8"
    & skf18("6","9","9","9","3","6","1") = "8"
    & skf18("6","9","9","9","3","7","1") = "8"
    & skf18("6","9","9","9","3","8","1") = "8"
    & skf18("6","9","9","9","3","9","1") = "8"
    & skf18("6","9","9","9","3","10","1") = "9"
    & skf18("6","9","9","9","4","1","1") = "8"
    & skf18("6","9","9","9","4","2","1") = "8"
    & skf18("6","9","9","9","4","3","1") = "8"
    & skf18("6","9","9","9","4","4","1") = "8"
    & skf18("6","9","9","9","4","5","1") = "8"
    & skf18("6","9","9","9","4","6","1") = "8"
    & skf18("6","9","9","9","4","7","1") = "8"
    & skf18("6","9","9","9","4","8","1") = "8"
    & skf18("6","9","9","9","4","9","1") = "8"
    & skf18("6","9","9","9","4","10","1") = "9"
    & skf18("6","9","9","9","5","1","1") = "8"
    & skf18("6","9","9","9","5","2","1") = "8"
    & skf18("6","9","9","9","5","3","1") = "8"
    & skf18("6","9","9","9","5","4","1") = "8"
    & skf18("6","9","9","9","5","5","1") = "8"
    & skf18("6","9","9","9","5","6","1") = "8"
    & skf18("6","9","9","9","5","7","1") = "8"
    & skf18("6","9","9","9","5","8","1") = "8"
    & skf18("6","9","9","9","5","9","1") = "8"
    & skf18("6","9","9","9","5","10","1") = "9"
    & skf18("6","9","9","9","6","1","1") = "8"
    & skf18("6","9","9","9","6","2","1") = "8"
    & skf18("6","9","9","9","6","3","1") = "8"
    & skf18("6","9","9","9","6","4","1") = "8"
    & skf18("6","9","9","9","6","5","1") = "8"
    & skf18("6","9","9","9","6","6","1") = "8"
    & skf18("6","9","9","9","6","7","1") = "8"
    & skf18("6","9","9","9","6","8","1") = "8"
    & skf18("6","9","9","9","6","9","1") = "8"
    & skf18("6","9","9","9","6","10","1") = "9"
    & skf18("6","9","9","9","7","1","1") = "8"
    & skf18("6","9","9","9","7","2","1") = "8"
    & skf18("6","9","9","9","7","3","1") = "8"
    & skf18("6","9","9","9","7","4","1") = "8"
    & skf18("6","9","9","9","7","5","1") = "8"
    & skf18("6","9","9","9","7","6","1") = "8"
    & skf18("6","9","9","9","7","7","1") = "8"
    & skf18("6","9","9","9","7","8","1") = "8"
    & skf18("6","9","9","9","7","9","1") = "8"
    & skf18("6","9","9","9","7","10","1") = "9"
    & skf18("6","9","9","9","8","1","1") = "8"
    & skf18("6","9","9","9","8","2","1") = "8"
    & skf18("6","9","9","9","8","3","1") = "8"
    & skf18("6","9","9","9","8","4","1") = "8"
    & skf18("6","9","9","9","8","5","1") = "8"
    & skf18("6","9","9","9","8","6","1") = "8"
    & skf18("6","9","9","9","8","7","1") = "8"
    & skf18("6","9","9","9","8","8","1") = "8"
    & skf18("6","9","9","9","8","9","1") = "8"
    & skf18("6","9","9","9","8","10","1") = "9"
    & skf18("6","9","9","9","9","1","1") = "8"
    & skf18("6","9","9","9","9","2","1") = "8"
    & skf18("6","9","9","9","9","3","1") = "8"
    & skf18("6","9","9","9","9","4","1") = "8"
    & skf18("6","9","9","9","9","5","1") = "8"
    & skf18("6","9","9","9","9","6","1") = "8"
    & skf18("6","9","9","9","9","7","1") = "8"
    & skf18("6","9","9","9","9","8","1") = "8"
    & skf18("6","9","9","9","9","9","1") = "8"
    & skf18("6","9","9","9","9","10","1") = "9"
    & skf18("6","9","9","9","10","1","1") = "9"
    & skf18("6","9","9","9","10","2","1") = "9"
    & skf18("6","9","9","9","10","3","1") = "9"
    & skf18("6","9","9","9","10","4","1") = "9"
    & skf18("6","9","9","9","10","5","1") = "9"
    & skf18("6","9","9","9","10","6","1") = "9"
    & skf18("6","9","9","9","10","7","1") = "9"
    & skf18("6","9","9","9","10","8","1") = "9"
    & skf18("6","9","9","9","10","9","1") = "9"
    & skf18("6","9","9","9","10","10","1") = "9"
    & skf18("6","9","9","10","1","1","1") = "9"
    & skf18("6","9","9","10","1","2","1") = "9"
    & skf18("6","9","9","10","1","3","1") = "9"
    & skf18("6","9","9","10","1","4","1") = "9"
    & skf18("6","9","9","10","1","5","1") = "9"
    & skf18("6","9","9","10","1","6","1") = "9"
    & skf18("6","9","9","10","1","7","1") = "9"
    & skf18("6","9","9","10","1","8","1") = "9"
    & skf18("6","9","9","10","1","9","1") = "9"
    & skf18("6","9","9","10","1","10","1") = "9"
    & skf18("6","9","9","10","2","1","1") = "9"
    & skf18("6","9","9","10","2","2","1") = "9"
    & skf18("6","9","9","10","2","3","1") = "9"
    & skf18("6","9","9","10","2","4","1") = "9"
    & skf18("6","9","9","10","2","5","1") = "9"
    & skf18("6","9","9","10","2","6","1") = "9"
    & skf18("6","9","9","10","2","7","1") = "9"
    & skf18("6","9","9","10","2","8","1") = "9"
    & skf18("6","9","9","10","2","9","1") = "9"
    & skf18("6","9","9","10","2","10","1") = "9"
    & skf18("6","9","9","10","3","1","1") = "9"
    & skf18("6","9","9","10","3","2","1") = "9"
    & skf18("6","9","9","10","3","3","1") = "9"
    & skf18("6","9","9","10","3","4","1") = "9"
    & skf18("6","9","9","10","3","5","1") = "9"
    & skf18("6","9","9","10","3","6","1") = "9"
    & skf18("6","9","9","10","3","7","1") = "9"
    & skf18("6","9","9","10","3","8","1") = "9"
    & skf18("6","9","9","10","3","9","1") = "9"
    & skf18("6","9","9","10","3","10","1") = "9"
    & skf18("6","9","9","10","4","1","1") = "9"
    & skf18("6","9","9","10","4","2","1") = "9"
    & skf18("6","9","9","10","4","3","1") = "9"
    & skf18("6","9","9","10","4","4","1") = "9"
    & skf18("6","9","9","10","4","5","1") = "9"
    & skf18("6","9","9","10","4","6","1") = "9"
    & skf18("6","9","9","10","4","7","1") = "9"
    & skf18("6","9","9","10","4","8","1") = "9"
    & skf18("6","9","9","10","4","9","1") = "9"
    & skf18("6","9","9","10","4","10","1") = "9"
    & skf18("6","9","9","10","5","1","1") = "9"
    & skf18("6","9","9","10","5","2","1") = "9"
    & skf18("6","9","9","10","5","3","1") = "9"
    & skf18("6","9","9","10","5","4","1") = "9"
    & skf18("6","9","9","10","5","5","1") = "9"
    & skf18("6","9","9","10","5","6","1") = "9"
    & skf18("6","9","9","10","5","7","1") = "9"
    & skf18("6","9","9","10","5","8","1") = "9"
    & skf18("6","9","9","10","5","9","1") = "9"
    & skf18("6","9","9","10","5","10","1") = "9"
    & skf18("6","9","9","10","6","1","1") = "9"
    & skf18("6","9","9","10","6","2","1") = "9"
    & skf18("6","9","9","10","6","3","1") = "9"
    & skf18("6","9","9","10","6","4","1") = "9"
    & skf18("6","9","9","10","6","5","1") = "9"
    & skf18("6","9","9","10","6","6","1") = "9"
    & skf18("6","9","9","10","6","7","1") = "9"
    & skf18("6","9","9","10","6","8","1") = "9"
    & skf18("6","9","9","10","6","9","1") = "9"
    & skf18("6","9","9","10","6","10","1") = "9"
    & skf18("6","9","9","10","7","1","1") = "9"
    & skf18("6","9","9","10","7","2","1") = "9"
    & skf18("6","9","9","10","7","3","1") = "9"
    & skf18("6","9","9","10","7","4","1") = "9"
    & skf18("6","9","9","10","7","5","1") = "9"
    & skf18("6","9","9","10","7","6","1") = "9"
    & skf18("6","9","9","10","7","7","1") = "9"
    & skf18("6","9","9","10","7","8","1") = "9"
    & skf18("6","9","9","10","7","9","1") = "9"
    & skf18("6","9","9","10","7","10","1") = "9"
    & skf18("6","9","9","10","8","1","1") = "9"
    & skf18("6","9","9","10","8","2","1") = "9"
    & skf18("6","9","9","10","8","3","1") = "9"
    & skf18("6","9","9","10","8","4","1") = "9"
    & skf18("6","9","9","10","8","5","1") = "9"
    & skf18("6","9","9","10","8","6","1") = "9"
    & skf18("6","9","9","10","8","7","1") = "9"
    & skf18("6","9","9","10","8","8","1") = "9"
    & skf18("6","9","9","10","8","9","1") = "9"
    & skf18("6","9","9","10","8","10","1") = "9"
    & skf18("6","9","9","10","9","1","1") = "9"
    & skf18("6","9","9","10","9","2","1") = "9"
    & skf18("6","9","9","10","9","3","1") = "9"
    & skf18("6","9","9","10","9","4","1") = "9"
    & skf18("6","9","9","10","9","5","1") = "9"
    & skf18("6","9","9","10","9","6","1") = "9"
    & skf18("6","9","9","10","9","7","1") = "9"
    & skf18("6","9","9","10","9","8","1") = "9"
    & skf18("6","9","9","10","9","9","1") = "9"
    & skf18("6","9","9","10","9","10","1") = "9"
    & skf18("6","9","9","10","10","1","1") = "9"
    & skf18("6","9","9","10","10","2","1") = "9"
    & skf18("6","9","9","10","10","3","1") = "9"
    & skf18("6","9","9","10","10","4","1") = "9"
    & skf18("6","9","9","10","10","5","1") = "9"
    & skf18("6","9","9","10","10","6","1") = "9"
    & skf18("6","9","9","10","10","7","1") = "9"
    & skf18("6","9","9","10","10","8","1") = "9"
    & skf18("6","9","9","10","10","9","1") = "9"
    & skf18("6","9","9","10","10","10","1") = "9"
    & skf18("6","9","10","1","1","1","1") = "9"
    & skf18("6","9","10","1","1","2","1") = "9"
    & skf18("6","9","10","1","1","3","1") = "9"
    & skf18("6","9","10","1","1","4","1") = "9"
    & skf18("6","9","10","1","1","5","1") = "9"
    & skf18("6","9","10","1","1","6","1") = "9"
    & skf18("6","9","10","1","1","7","1") = "9"
    & skf18("6","9","10","1","1","8","1") = "9"
    & skf18("6","9","10","1","1","9","1") = "9"
    & skf18("6","9","10","1","1","10","1") = "9"
    & skf18("6","9","10","1","2","1","1") = "9"
    & skf18("6","9","10","1","2","2","1") = "9"
    & skf18("6","9","10","1","2","3","1") = "9"
    & skf18("6","9","10","1","2","4","1") = "9"
    & skf18("6","9","10","1","2","5","1") = "9"
    & skf18("6","9","10","1","2","6","1") = "9"
    & skf18("6","9","10","1","2","7","1") = "9"
    & skf18("6","9","10","1","2","8","1") = "9"
    & skf18("6","9","10","1","2","9","1") = "9"
    & skf18("6","9","10","1","2","10","1") = "9"
    & skf18("6","9","10","1","3","1","1") = "9"
    & skf18("6","9","10","1","3","2","1") = "9"
    & skf18("6","9","10","1","3","3","1") = "9"
    & skf18("6","9","10","1","3","4","1") = "9"
    & skf18("6","9","10","1","3","5","1") = "9"
    & skf18("6","9","10","1","3","6","1") = "9"
    & skf18("6","9","10","1","3","7","1") = "9"
    & skf18("6","9","10","1","3","8","1") = "9"
    & skf18("6","9","10","1","3","9","1") = "9"
    & skf18("6","9","10","1","3","10","1") = "9"
    & skf18("6","9","10","1","4","1","1") = "9"
    & skf18("6","9","10","1","4","2","1") = "9"
    & skf18("6","9","10","1","4","3","1") = "9"
    & skf18("6","9","10","1","4","4","1") = "9"
    & skf18("6","9","10","1","4","5","1") = "9"
    & skf18("6","9","10","1","4","6","1") = "9"
    & skf18("6","9","10","1","4","7","1") = "9"
    & skf18("6","9","10","1","4","8","1") = "9"
    & skf18("6","9","10","1","4","9","1") = "9"
    & skf18("6","9","10","1","4","10","1") = "9"
    & skf18("6","9","10","1","5","1","1") = "9"
    & skf18("6","9","10","1","5","2","1") = "9"
    & skf18("6","9","10","1","5","3","1") = "9"
    & skf18("6","9","10","1","5","4","1") = "9"
    & skf18("6","9","10","1","5","5","1") = "9"
    & skf18("6","9","10","1","5","6","1") = "9"
    & skf18("6","9","10","1","5","7","1") = "9"
    & skf18("6","9","10","1","5","8","1") = "9"
    & skf18("6","9","10","1","5","9","1") = "9"
    & skf18("6","9","10","1","5","10","1") = "9"
    & skf18("6","9","10","1","6","1","1") = "9"
    & skf18("6","9","10","1","6","2","1") = "9"
    & skf18("6","9","10","1","6","3","1") = "9"
    & skf18("6","9","10","1","6","4","1") = "9"
    & skf18("6","9","10","1","6","5","1") = "9"
    & skf18("6","9","10","1","6","6","1") = "9"
    & skf18("6","9","10","1","6","7","1") = "9"
    & skf18("6","9","10","1","6","8","1") = "9"
    & skf18("6","9","10","1","6","9","1") = "9"
    & skf18("6","9","10","1","6","10","1") = "9"
    & skf18("6","9","10","1","7","1","1") = "9"
    & skf18("6","9","10","1","7","2","1") = "9"
    & skf18("6","9","10","1","7","3","1") = "9"
    & skf18("6","9","10","1","7","4","1") = "9"
    & skf18("6","9","10","1","7","5","1") = "9"
    & skf18("6","9","10","1","7","6","1") = "9"
    & skf18("6","9","10","1","7","7","1") = "9"
    & skf18("6","9","10","1","7","8","1") = "9"
    & skf18("6","9","10","1","7","9","1") = "9"
    & skf18("6","9","10","1","7","10","1") = "9"
    & skf18("6","9","10","1","8","1","1") = "9"
    & skf18("6","9","10","1","8","2","1") = "9"
    & skf18("6","9","10","1","8","3","1") = "9"
    & skf18("6","9","10","1","8","4","1") = "9"
    & skf18("6","9","10","1","8","5","1") = "9"
    & skf18("6","9","10","1","8","6","1") = "9"
    & skf18("6","9","10","1","8","7","1") = "9"
    & skf18("6","9","10","1","8","8","1") = "9"
    & skf18("6","9","10","1","8","9","1") = "9"
    & skf18("6","9","10","1","8","10","1") = "9"
    & skf18("6","9","10","1","9","1","1") = "9"
    & skf18("6","9","10","1","9","2","1") = "9"
    & skf18("6","9","10","1","9","3","1") = "9"
    & skf18("6","9","10","1","9","4","1") = "9"
    & skf18("6","9","10","1","9","5","1") = "9"
    & skf18("6","9","10","1","9","6","1") = "9"
    & skf18("6","9","10","1","9","7","1") = "9"
    & skf18("6","9","10","1","9","8","1") = "9"
    & skf18("6","9","10","1","9","9","1") = "9"
    & skf18("6","9","10","1","9","10","1") = "9"
    & skf18("6","9","10","1","10","1","1") = "9"
    & skf18("6","9","10","1","10","2","1") = "9"
    & skf18("6","9","10","1","10","3","1") = "9"
    & skf18("6","9","10","1","10","4","1") = "9"
    & skf18("6","9","10","1","10","5","1") = "9"
    & skf18("6","9","10","1","10","6","1") = "9"
    & skf18("6","9","10","1","10","7","1") = "9"
    & skf18("6","9","10","1","10","8","1") = "9"
    & skf18("6","9","10","1","10","9","1") = "9"
    & skf18("6","9","10","1","10","10","1") = "9"
    & skf18("6","9","10","2","1","1","1") = "9"
    & skf18("6","9","10","2","1","2","1") = "9"
    & skf18("6","9","10","2","1","3","1") = "9"
    & skf18("6","9","10","2","1","4","1") = "9"
    & skf18("6","9","10","2","1","5","1") = "9"
    & skf18("6","9","10","2","1","6","1") = "9"
    & skf18("6","9","10","2","1","7","1") = "9"
    & skf18("6","9","10","2","1","8","1") = "9"
    & skf18("6","9","10","2","1","9","1") = "9"
    & skf18("6","9","10","2","1","10","1") = "9"
    & skf18("6","9","10","2","2","1","1") = "9"
    & skf18("6","9","10","2","2","2","1") = "9"
    & skf18("6","9","10","2","2","3","1") = "9"
    & skf18("6","9","10","2","2","4","1") = "9"
    & skf18("6","9","10","2","2","5","1") = "9"
    & skf18("6","9","10","2","2","6","1") = "9"
    & skf18("6","9","10","2","2","7","1") = "9"
    & skf18("6","9","10","2","2","8","1") = "9"
    & skf18("6","9","10","2","2","9","1") = "9"
    & skf18("6","9","10","2","2","10","1") = "9"
    & skf18("6","9","10","2","3","1","1") = "9"
    & skf18("6","9","10","2","3","2","1") = "9"
    & skf18("6","9","10","2","3","3","1") = "9"
    & skf18("6","9","10","2","3","4","1") = "9"
    & skf18("6","9","10","2","3","5","1") = "9"
    & skf18("6","9","10","2","3","6","1") = "9"
    & skf18("6","9","10","2","3","7","1") = "9"
    & skf18("6","9","10","2","3","8","1") = "9"
    & skf18("6","9","10","2","3","9","1") = "9"
    & skf18("6","9","10","2","3","10","1") = "9"
    & skf18("6","9","10","2","4","1","1") = "9"
    & skf18("6","9","10","2","4","2","1") = "9"
    & skf18("6","9","10","2","4","3","1") = "9"
    & skf18("6","9","10","2","4","4","1") = "9"
    & skf18("6","9","10","2","4","5","1") = "9"
    & skf18("6","9","10","2","4","6","1") = "9"
    & skf18("6","9","10","2","4","7","1") = "9"
    & skf18("6","9","10","2","4","8","1") = "9"
    & skf18("6","9","10","2","4","9","1") = "9"
    & skf18("6","9","10","2","4","10","1") = "9"
    & skf18("6","9","10","2","5","1","1") = "9"
    & skf18("6","9","10","2","5","2","1") = "9"
    & skf18("6","9","10","2","5","3","1") = "9"
    & skf18("6","9","10","2","5","4","1") = "9"
    & skf18("6","9","10","2","5","5","1") = "9"
    & skf18("6","9","10","2","5","6","1") = "9"
    & skf18("6","9","10","2","5","7","1") = "9"
    & skf18("6","9","10","2","5","8","1") = "9"
    & skf18("6","9","10","2","5","9","1") = "9"
    & skf18("6","9","10","2","5","10","1") = "9"
    & skf18("6","9","10","2","6","1","1") = "9"
    & skf18("6","9","10","2","6","2","1") = "9"
    & skf18("6","9","10","2","6","3","1") = "9"
    & skf18("6","9","10","2","6","4","1") = "9"
    & skf18("6","9","10","2","6","5","1") = "9"
    & skf18("6","9","10","2","6","6","1") = "9"
    & skf18("6","9","10","2","6","7","1") = "9"
    & skf18("6","9","10","2","6","8","1") = "9"
    & skf18("6","9","10","2","6","9","1") = "9"
    & skf18("6","9","10","2","6","10","1") = "9"
    & skf18("6","9","10","2","7","1","1") = "9"
    & skf18("6","9","10","2","7","2","1") = "9"
    & skf18("6","9","10","2","7","3","1") = "9"
    & skf18("6","9","10","2","7","4","1") = "9"
    & skf18("6","9","10","2","7","5","1") = "9"
    & skf18("6","9","10","2","7","6","1") = "9"
    & skf18("6","9","10","2","7","7","1") = "9"
    & skf18("6","9","10","2","7","8","1") = "9"
    & skf18("6","9","10","2","7","9","1") = "9"
    & skf18("6","9","10","2","7","10","1") = "9"
    & skf18("6","9","10","2","8","1","1") = "9"
    & skf18("6","9","10","2","8","2","1") = "9"
    & skf18("6","9","10","2","8","3","1") = "9"
    & skf18("6","9","10","2","8","4","1") = "9"
    & skf18("6","9","10","2","8","5","1") = "9"
    & skf18("6","9","10","2","8","6","1") = "9"
    & skf18("6","9","10","2","8","7","1") = "9"
    & skf18("6","9","10","2","8","8","1") = "9"
    & skf18("6","9","10","2","8","9","1") = "9"
    & skf18("6","9","10","2","8","10","1") = "9"
    & skf18("6","9","10","2","9","1","1") = "9"
    & skf18("6","9","10","2","9","2","1") = "9"
    & skf18("6","9","10","2","9","3","1") = "9"
    & skf18("6","9","10","2","9","4","1") = "9"
    & skf18("6","9","10","2","9","5","1") = "9"
    & skf18("6","9","10","2","9","6","1") = "9"
    & skf18("6","9","10","2","9","7","1") = "9"
    & skf18("6","9","10","2","9","8","1") = "9"
    & skf18("6","9","10","2","9","9","1") = "9"
    & skf18("6","9","10","2","9","10","1") = "9"
    & skf18("6","9","10","2","10","1","1") = "9"
    & skf18("6","9","10","2","10","2","1") = "9"
    & skf18("6","9","10","2","10","3","1") = "9"
    & skf18("6","9","10","2","10","4","1") = "9"
    & skf18("6","9","10","2","10","5","1") = "9"
    & skf18("6","9","10","2","10","6","1") = "9"
    & skf18("6","9","10","2","10","7","1") = "9"
    & skf18("6","9","10","2","10","8","1") = "9"
    & skf18("6","9","10","2","10","9","1") = "9"
    & skf18("6","9","10","2","10","10","1") = "9"
    & skf18("6","9","10","3","1","1","1") = "9"
    & skf18("6","9","10","3","1","2","1") = "9"
    & skf18("6","9","10","3","1","3","1") = "9"
    & skf18("6","9","10","3","1","4","1") = "9"
    & skf18("6","9","10","3","1","5","1") = "9"
    & skf18("6","9","10","3","1","6","1") = "9"
    & skf18("6","9","10","3","1","7","1") = "9"
    & skf18("6","9","10","3","1","8","1") = "9"
    & skf18("6","9","10","3","1","9","1") = "9"
    & skf18("6","9","10","3","1","10","1") = "9"
    & skf18("6","9","10","3","2","1","1") = "9"
    & skf18("6","9","10","3","2","2","1") = "9"
    & skf18("6","9","10","3","2","3","1") = "9"
    & skf18("6","9","10","3","2","4","1") = "9"
    & skf18("6","9","10","3","2","5","1") = "9"
    & skf18("6","9","10","3","2","6","1") = "9"
    & skf18("6","9","10","3","2","7","1") = "9"
    & skf18("6","9","10","3","2","8","1") = "9"
    & skf18("6","9","10","3","2","9","1") = "9"
    & skf18("6","9","10","3","2","10","1") = "9"
    & skf18("6","9","10","3","3","1","1") = "9"
    & skf18("6","9","10","3","3","2","1") = "9"
    & skf18("6","9","10","3","3","3","1") = "9"
    & skf18("6","9","10","3","3","4","1") = "9"
    & skf18("6","9","10","3","3","5","1") = "9"
    & skf18("6","9","10","3","3","6","1") = "9"
    & skf18("6","9","10","3","3","7","1") = "9"
    & skf18("6","9","10","3","3","8","1") = "9"
    & skf18("6","9","10","3","3","9","1") = "9"
    & skf18("6","9","10","3","3","10","1") = "9"
    & skf18("6","9","10","3","4","1","1") = "9"
    & skf18("6","9","10","3","4","2","1") = "9"
    & skf18("6","9","10","3","4","3","1") = "9"
    & skf18("6","9","10","3","4","4","1") = "9"
    & skf18("6","9","10","3","4","5","1") = "9"
    & skf18("6","9","10","3","4","6","1") = "9"
    & skf18("6","9","10","3","4","7","1") = "9"
    & skf18("6","9","10","3","4","8","1") = "9"
    & skf18("6","9","10","3","4","9","1") = "9"
    & skf18("6","9","10","3","4","10","1") = "9"
    & skf18("6","9","10","3","5","1","1") = "9"
    & skf18("6","9","10","3","5","2","1") = "9"
    & skf18("6","9","10","3","5","3","1") = "9"
    & skf18("6","9","10","3","5","4","1") = "9"
    & skf18("6","9","10","3","5","5","1") = "9"
    & skf18("6","9","10","3","5","6","1") = "9"
    & skf18("6","9","10","3","5","7","1") = "9"
    & skf18("6","9","10","3","5","8","1") = "9"
    & skf18("6","9","10","3","5","9","1") = "9"
    & skf18("6","9","10","3","5","10","1") = "9"
    & skf18("6","9","10","3","6","1","1") = "9"
    & skf18("6","9","10","3","6","2","1") = "9"
    & skf18("6","9","10","3","6","3","1") = "9"
    & skf18("6","9","10","3","6","4","1") = "9"
    & skf18("6","9","10","3","6","5","1") = "9"
    & skf18("6","9","10","3","6","6","1") = "9"
    & skf18("6","9","10","3","6","7","1") = "9"
    & skf18("6","9","10","3","6","8","1") = "9"
    & skf18("6","9","10","3","6","9","1") = "9"
    & skf18("6","9","10","3","6","10","1") = "9"
    & skf18("6","9","10","3","7","1","1") = "9"
    & skf18("6","9","10","3","7","2","1") = "9"
    & skf18("6","9","10","3","7","3","1") = "9"
    & skf18("6","9","10","3","7","4","1") = "9"
    & skf18("6","9","10","3","7","5","1") = "9"
    & skf18("6","9","10","3","7","6","1") = "9"
    & skf18("6","9","10","3","7","7","1") = "9"
    & skf18("6","9","10","3","7","8","1") = "9"
    & skf18("6","9","10","3","7","9","1") = "9"
    & skf18("6","9","10","3","7","10","1") = "9"
    & skf18("6","9","10","3","8","1","1") = "9"
    & skf18("6","9","10","3","8","2","1") = "9"
    & skf18("6","9","10","3","8","3","1") = "9"
    & skf18("6","9","10","3","8","4","1") = "9"
    & skf18("6","9","10","3","8","5","1") = "9"
    & skf18("6","9","10","3","8","6","1") = "9"
    & skf18("6","9","10","3","8","7","1") = "9"
    & skf18("6","9","10","3","8","8","1") = "9"
    & skf18("6","9","10","3","8","9","1") = "9"
    & skf18("6","9","10","3","8","10","1") = "9"
    & skf18("6","9","10","3","9","1","1") = "9"
    & skf18("6","9","10","3","9","2","1") = "9"
    & skf18("6","9","10","3","9","3","1") = "9"
    & skf18("6","9","10","3","9","4","1") = "9"
    & skf18("6","9","10","3","9","5","1") = "9"
    & skf18("6","9","10","3","9","6","1") = "9"
    & skf18("6","9","10","3","9","7","1") = "9"
    & skf18("6","9","10","3","9","8","1") = "9"
    & skf18("6","9","10","3","9","9","1") = "9"
    & skf18("6","9","10","3","9","10","1") = "9"
    & skf18("6","9","10","3","10","1","1") = "9"
    & skf18("6","9","10","3","10","2","1") = "9"
    & skf18("6","9","10","3","10","3","1") = "9"
    & skf18("6","9","10","3","10","4","1") = "9"
    & skf18("6","9","10","3","10","5","1") = "9"
    & skf18("6","9","10","3","10","6","1") = "9"
    & skf18("6","9","10","3","10","7","1") = "9"
    & skf18("6","9","10","3","10","8","1") = "9"
    & skf18("6","9","10","3","10","9","1") = "9"
    & skf18("6","9","10","3","10","10","1") = "9"
    & skf18("6","9","10","4","1","1","1") = "9"
    & skf18("6","9","10","4","1","2","1") = "9"
    & skf18("6","9","10","4","1","3","1") = "9"
    & skf18("6","9","10","4","1","4","1") = "9"
    & skf18("6","9","10","4","1","5","1") = "9"
    & skf18("6","9","10","4","1","6","1") = "9"
    & skf18("6","9","10","4","1","7","1") = "9"
    & skf18("6","9","10","4","1","8","1") = "9"
    & skf18("6","9","10","4","1","9","1") = "9"
    & skf18("6","9","10","4","1","10","1") = "9"
    & skf18("6","9","10","4","2","1","1") = "9"
    & skf18("6","9","10","4","2","2","1") = "9"
    & skf18("6","9","10","4","2","3","1") = "9"
    & skf18("6","9","10","4","2","4","1") = "9"
    & skf18("6","9","10","4","2","5","1") = "9"
    & skf18("6","9","10","4","2","6","1") = "9"
    & skf18("6","9","10","4","2","7","1") = "9"
    & skf18("6","9","10","4","2","8","1") = "9"
    & skf18("6","9","10","4","2","9","1") = "9"
    & skf18("6","9","10","4","2","10","1") = "9"
    & skf18("6","9","10","4","3","1","1") = "9"
    & skf18("6","9","10","4","3","2","1") = "9"
    & skf18("6","9","10","4","3","3","1") = "9"
    & skf18("6","9","10","4","3","4","1") = "9"
    & skf18("6","9","10","4","3","5","1") = "9"
    & skf18("6","9","10","4","3","6","1") = "9"
    & skf18("6","9","10","4","3","7","1") = "9"
    & skf18("6","9","10","4","3","8","1") = "9"
    & skf18("6","9","10","4","3","9","1") = "9"
    & skf18("6","9","10","4","3","10","1") = "9"
    & skf18("6","9","10","4","4","1","1") = "9"
    & skf18("6","9","10","4","4","2","1") = "9"
    & skf18("6","9","10","4","4","3","1") = "9"
    & skf18("6","9","10","4","4","4","1") = "9"
    & skf18("6","9","10","4","4","5","1") = "9"
    & skf18("6","9","10","4","4","6","1") = "9"
    & skf18("6","9","10","4","4","7","1") = "9"
    & skf18("6","9","10","4","4","8","1") = "9"
    & skf18("6","9","10","4","4","9","1") = "9"
    & skf18("6","9","10","4","4","10","1") = "9"
    & skf18("6","9","10","4","5","1","1") = "9"
    & skf18("6","9","10","4","5","2","1") = "9"
    & skf18("6","9","10","4","5","3","1") = "9"
    & skf18("6","9","10","4","5","4","1") = "9"
    & skf18("6","9","10","4","5","5","1") = "9"
    & skf18("6","9","10","4","5","6","1") = "9"
    & skf18("6","9","10","4","5","7","1") = "9"
    & skf18("6","9","10","4","5","8","1") = "9"
    & skf18("6","9","10","4","5","9","1") = "9"
    & skf18("6","9","10","4","5","10","1") = "9"
    & skf18("6","9","10","4","6","1","1") = "9"
    & skf18("6","9","10","4","6","2","1") = "9"
    & skf18("6","9","10","4","6","3","1") = "9"
    & skf18("6","9","10","4","6","4","1") = "9"
    & skf18("6","9","10","4","6","5","1") = "9"
    & skf18("6","9","10","4","6","6","1") = "9"
    & skf18("6","9","10","4","6","7","1") = "9"
    & skf18("6","9","10","4","6","8","1") = "9"
    & skf18("6","9","10","4","6","9","1") = "9"
    & skf18("6","9","10","4","6","10","1") = "9"
    & skf18("6","9","10","4","7","1","1") = "9"
    & skf18("6","9","10","4","7","2","1") = "9"
    & skf18("6","9","10","4","7","3","1") = "9"
    & skf18("6","9","10","4","7","4","1") = "9"
    & skf18("6","9","10","4","7","5","1") = "9"
    & skf18("6","9","10","4","7","6","1") = "9"
    & skf18("6","9","10","4","7","7","1") = "9"
    & skf18("6","9","10","4","7","8","1") = "9"
    & skf18("6","9","10","4","7","9","1") = "9"
    & skf18("6","9","10","4","7","10","1") = "9"
    & skf18("6","9","10","4","8","1","1") = "9"
    & skf18("6","9","10","4","8","2","1") = "9"
    & skf18("6","9","10","4","8","3","1") = "9"
    & skf18("6","9","10","4","8","4","1") = "9"
    & skf18("6","9","10","4","8","5","1") = "9"
    & skf18("6","9","10","4","8","6","1") = "9"
    & skf18("6","9","10","4","8","7","1") = "9"
    & skf18("6","9","10","4","8","8","1") = "9"
    & skf18("6","9","10","4","8","9","1") = "9"
    & skf18("6","9","10","4","8","10","1") = "9"
    & skf18("6","9","10","4","9","1","1") = "9"
    & skf18("6","9","10","4","9","2","1") = "9"
    & skf18("6","9","10","4","9","3","1") = "9"
    & skf18("6","9","10","4","9","4","1") = "9"
    & skf18("6","9","10","4","9","5","1") = "9"
    & skf18("6","9","10","4","9","6","1") = "9"
    & skf18("6","9","10","4","9","7","1") = "9"
    & skf18("6","9","10","4","9","8","1") = "9"
    & skf18("6","9","10","4","9","9","1") = "9"
    & skf18("6","9","10","4","9","10","1") = "9"
    & skf18("6","9","10","4","10","1","1") = "9"
    & skf18("6","9","10","4","10","2","1") = "9"
    & skf18("6","9","10","4","10","3","1") = "9"
    & skf18("6","9","10","4","10","4","1") = "9"
    & skf18("6","9","10","4","10","5","1") = "9"
    & skf18("6","9","10","4","10","6","1") = "9"
    & skf18("6","9","10","4","10","7","1") = "9"
    & skf18("6","9","10","4","10","8","1") = "9"
    & skf18("6","9","10","4","10","9","1") = "9"
    & skf18("6","9","10","4","10","10","1") = "9"
    & skf18("6","9","10","5","1","1","1") = "9"
    & skf18("6","9","10","5","1","2","1") = "9"
    & skf18("6","9","10","5","1","3","1") = "9"
    & skf18("6","9","10","5","1","4","1") = "9"
    & skf18("6","9","10","5","1","5","1") = "9"
    & skf18("6","9","10","5","1","6","1") = "9"
    & skf18("6","9","10","5","1","7","1") = "9"
    & skf18("6","9","10","5","1","8","1") = "9"
    & skf18("6","9","10","5","1","9","1") = "9"
    & skf18("6","9","10","5","1","10","1") = "9"
    & skf18("6","9","10","5","2","1","1") = "9"
    & skf18("6","9","10","5","2","2","1") = "9"
    & skf18("6","9","10","5","2","3","1") = "9"
    & skf18("6","9","10","5","2","4","1") = "9"
    & skf18("6","9","10","5","2","5","1") = "9"
    & skf18("6","9","10","5","2","6","1") = "9"
    & skf18("6","9","10","5","2","7","1") = "9"
    & skf18("6","9","10","5","2","8","1") = "9"
    & skf18("6","9","10","5","2","9","1") = "9"
    & skf18("6","9","10","5","2","10","1") = "9"
    & skf18("6","9","10","5","3","1","1") = "9"
    & skf18("6","9","10","5","3","2","1") = "9"
    & skf18("6","9","10","5","3","3","1") = "9"
    & skf18("6","9","10","5","3","4","1") = "9"
    & skf18("6","9","10","5","3","5","1") = "9"
    & skf18("6","9","10","5","3","6","1") = "9"
    & skf18("6","9","10","5","3","7","1") = "9"
    & skf18("6","9","10","5","3","8","1") = "9"
    & skf18("6","9","10","5","3","9","1") = "9"
    & skf18("6","9","10","5","3","10","1") = "9"
    & skf18("6","9","10","5","4","1","1") = "9"
    & skf18("6","9","10","5","4","2","1") = "9"
    & skf18("6","9","10","5","4","3","1") = "9"
    & skf18("6","9","10","5","4","4","1") = "9"
    & skf18("6","9","10","5","4","5","1") = "9"
    & skf18("6","9","10","5","4","6","1") = "9"
    & skf18("6","9","10","5","4","7","1") = "9"
    & skf18("6","9","10","5","4","8","1") = "9"
    & skf18("6","9","10","5","4","9","1") = "9"
    & skf18("6","9","10","5","4","10","1") = "9"
    & skf18("6","9","10","5","5","1","1") = "9"
    & skf18("6","9","10","5","5","2","1") = "9"
    & skf18("6","9","10","5","5","3","1") = "9"
    & skf18("6","9","10","5","5","4","1") = "9"
    & skf18("6","9","10","5","5","5","1") = "9"
    & skf18("6","9","10","5","5","6","1") = "9"
    & skf18("6","9","10","5","5","7","1") = "9"
    & skf18("6","9","10","5","5","8","1") = "9"
    & skf18("6","9","10","5","5","9","1") = "9"
    & skf18("6","9","10","5","5","10","1") = "9"
    & skf18("6","9","10","5","6","1","1") = "9"
    & skf18("6","9","10","5","6","2","1") = "9"
    & skf18("6","9","10","5","6","3","1") = "9"
    & skf18("6","9","10","5","6","4","1") = "9"
    & skf18("6","9","10","5","6","5","1") = "9"
    & skf18("6","9","10","5","6","6","1") = "9"
    & skf18("6","9","10","5","6","7","1") = "9"
    & skf18("6","9","10","5","6","8","1") = "9"
    & skf18("6","9","10","5","6","9","1") = "9"
    & skf18("6","9","10","5","6","10","1") = "9"
    & skf18("6","9","10","5","7","1","1") = "9"
    & skf18("6","9","10","5","7","2","1") = "9"
    & skf18("6","9","10","5","7","3","1") = "9"
    & skf18("6","9","10","5","7","4","1") = "9"
    & skf18("6","9","10","5","7","5","1") = "9"
    & skf18("6","9","10","5","7","6","1") = "9"
    & skf18("6","9","10","5","7","7","1") = "9"
    & skf18("6","9","10","5","7","8","1") = "9"
    & skf18("6","9","10","5","7","9","1") = "9"
    & skf18("6","9","10","5","7","10","1") = "9"
    & skf18("6","9","10","5","8","1","1") = "9"
    & skf18("6","9","10","5","8","2","1") = "9"
    & skf18("6","9","10","5","8","3","1") = "9"
    & skf18("6","9","10","5","8","4","1") = "9"
    & skf18("6","9","10","5","8","5","1") = "9"
    & skf18("6","9","10","5","8","6","1") = "9"
    & skf18("6","9","10","5","8","7","1") = "9"
    & skf18("6","9","10","5","8","8","1") = "9"
    & skf18("6","9","10","5","8","9","1") = "9"
    & skf18("6","9","10","5","8","10","1") = "9"
    & skf18("6","9","10","5","9","1","1") = "9"
    & skf18("6","9","10","5","9","2","1") = "9"
    & skf18("6","9","10","5","9","3","1") = "9"
    & skf18("6","9","10","5","9","4","1") = "9"
    & skf18("6","9","10","5","9","5","1") = "9"
    & skf18("6","9","10","5","9","6","1") = "9"
    & skf18("6","9","10","5","9","7","1") = "9"
    & skf18("6","9","10","5","9","8","1") = "9"
    & skf18("6","9","10","5","9","9","1") = "9"
    & skf18("6","9","10","5","9","10","1") = "9"
    & skf18("6","9","10","5","10","1","1") = "9"
    & skf18("6","9","10","5","10","2","1") = "9"
    & skf18("6","9","10","5","10","3","1") = "9"
    & skf18("6","9","10","5","10","4","1") = "9"
    & skf18("6","9","10","5","10","5","1") = "9"
    & skf18("6","9","10","5","10","6","1") = "9"
    & skf18("6","9","10","5","10","7","1") = "9"
    & skf18("6","9","10","5","10","8","1") = "9"
    & skf18("6","9","10","5","10","9","1") = "9"
    & skf18("6","9","10","5","10","10","1") = "9"
    & skf18("6","9","10","6","1","1","1") = "9"
    & skf18("6","9","10","6","1","2","1") = "9"
    & skf18("6","9","10","6","1","3","1") = "9"
    & skf18("6","9","10","6","1","4","1") = "9"
    & skf18("6","9","10","6","1","5","1") = "9"
    & skf18("6","9","10","6","1","6","1") = "9"
    & skf18("6","9","10","6","1","7","1") = "9"
    & skf18("6","9","10","6","1","8","1") = "9"
    & skf18("6","9","10","6","1","9","1") = "9"
    & skf18("6","9","10","6","1","10","1") = "9"
    & skf18("6","9","10","6","2","1","1") = "9"
    & skf18("6","9","10","6","2","2","1") = "9"
    & skf18("6","9","10","6","2","3","1") = "9"
    & skf18("6","9","10","6","2","4","1") = "9"
    & skf18("6","9","10","6","2","5","1") = "9"
    & skf18("6","9","10","6","2","6","1") = "9"
    & skf18("6","9","10","6","2","7","1") = "9"
    & skf18("6","9","10","6","2","8","1") = "9"
    & skf18("6","9","10","6","2","9","1") = "9"
    & skf18("6","9","10","6","2","10","1") = "9"
    & skf18("6","9","10","6","3","1","1") = "9"
    & skf18("6","9","10","6","3","2","1") = "9"
    & skf18("6","9","10","6","3","3","1") = "9"
    & skf18("6","9","10","6","3","4","1") = "9"
    & skf18("6","9","10","6","3","5","1") = "9"
    & skf18("6","9","10","6","3","6","1") = "9"
    & skf18("6","9","10","6","3","7","1") = "9"
    & skf18("6","9","10","6","3","8","1") = "9"
    & skf18("6","9","10","6","3","9","1") = "9"
    & skf18("6","9","10","6","3","10","1") = "9"
    & skf18("6","9","10","6","4","1","1") = "9"
    & skf18("6","9","10","6","4","2","1") = "9"
    & skf18("6","9","10","6","4","3","1") = "9"
    & skf18("6","9","10","6","4","4","1") = "9"
    & skf18("6","9","10","6","4","5","1") = "9"
    & skf18("6","9","10","6","4","6","1") = "9"
    & skf18("6","9","10","6","4","7","1") = "9"
    & skf18("6","9","10","6","4","8","1") = "9"
    & skf18("6","9","10","6","4","9","1") = "9"
    & skf18("6","9","10","6","4","10","1") = "9"
    & skf18("6","9","10","6","5","1","1") = "9"
    & skf18("6","9","10","6","5","2","1") = "9"
    & skf18("6","9","10","6","5","3","1") = "9"
    & skf18("6","9","10","6","5","4","1") = "9"
    & skf18("6","9","10","6","5","5","1") = "9"
    & skf18("6","9","10","6","5","6","1") = "9"
    & skf18("6","9","10","6","5","7","1") = "9"
    & skf18("6","9","10","6","5","8","1") = "9"
    & skf18("6","9","10","6","5","9","1") = "9"
    & skf18("6","9","10","6","5","10","1") = "9"
    & skf18("6","9","10","6","6","1","1") = "9"
    & skf18("6","9","10","6","6","2","1") = "9"
    & skf18("6","9","10","6","6","3","1") = "9"
    & skf18("6","9","10","6","6","4","1") = "9"
    & skf18("6","9","10","6","6","5","1") = "9"
    & skf18("6","9","10","6","6","6","1") = "9"
    & skf18("6","9","10","6","6","7","1") = "9"
    & skf18("6","9","10","6","6","8","1") = "9"
    & skf18("6","9","10","6","6","9","1") = "9"
    & skf18("6","9","10","6","6","10","1") = "9"
    & skf18("6","9","10","6","7","1","1") = "9"
    & skf18("6","9","10","6","7","2","1") = "9"
    & skf18("6","9","10","6","7","3","1") = "9"
    & skf18("6","9","10","6","7","4","1") = "9"
    & skf18("6","9","10","6","7","5","1") = "9"
    & skf18("6","9","10","6","7","6","1") = "9"
    & skf18("6","9","10","6","7","7","1") = "9"
    & skf18("6","9","10","6","7","8","1") = "9"
    & skf18("6","9","10","6","7","9","1") = "9"
    & skf18("6","9","10","6","7","10","1") = "9"
    & skf18("6","9","10","6","8","1","1") = "9"
    & skf18("6","9","10","6","8","2","1") = "9"
    & skf18("6","9","10","6","8","3","1") = "9"
    & skf18("6","9","10","6","8","4","1") = "9"
    & skf18("6","9","10","6","8","5","1") = "9"
    & skf18("6","9","10","6","8","6","1") = "9"
    & skf18("6","9","10","6","8","7","1") = "9"
    & skf18("6","9","10","6","8","8","1") = "9"
    & skf18("6","9","10","6","8","9","1") = "9"
    & skf18("6","9","10","6","8","10","1") = "9"
    & skf18("6","9","10","6","9","1","1") = "9"
    & skf18("6","9","10","6","9","2","1") = "9"
    & skf18("6","9","10","6","9","3","1") = "9"
    & skf18("6","9","10","6","9","4","1") = "9"
    & skf18("6","9","10","6","9","5","1") = "9"
    & skf18("6","9","10","6","9","6","1") = "9"
    & skf18("6","9","10","6","9","7","1") = "9"
    & skf18("6","9","10","6","9","8","1") = "9"
    & skf18("6","9","10","6","9","9","1") = "9"
    & skf18("6","9","10","6","9","10","1") = "9"
    & skf18("6","9","10","6","10","1","1") = "9"
    & skf18("6","9","10","6","10","2","1") = "9"
    & skf18("6","9","10","6","10","3","1") = "9"
    & skf18("6","9","10","6","10","4","1") = "9"
    & skf18("6","9","10","6","10","5","1") = "9"
    & skf18("6","9","10","6","10","6","1") = "9"
    & skf18("6","9","10","6","10","7","1") = "9"
    & skf18("6","9","10","6","10","8","1") = "9"
    & skf18("6","9","10","6","10","9","1") = "9"
    & skf18("6","9","10","6","10","10","1") = "9"
    & skf18("6","9","10","7","1","1","1") = "9"
    & skf18("6","9","10","7","1","2","1") = "9"
    & skf18("6","9","10","7","1","3","1") = "9"
    & skf18("6","9","10","7","1","4","1") = "9"
    & skf18("6","9","10","7","1","5","1") = "9"
    & skf18("6","9","10","7","1","6","1") = "9"
    & skf18("6","9","10","7","1","7","1") = "9"
    & skf18("6","9","10","7","1","8","1") = "9"
    & skf18("6","9","10","7","1","9","1") = "9"
    & skf18("6","9","10","7","1","10","1") = "9"
    & skf18("6","9","10","7","2","1","1") = "9"
    & skf18("6","9","10","7","2","2","1") = "9"
    & skf18("6","9","10","7","2","3","1") = "9"
    & skf18("6","9","10","7","2","4","1") = "9"
    & skf18("6","9","10","7","2","5","1") = "9"
    & skf18("6","9","10","7","2","6","1") = "9"
    & skf18("6","9","10","7","2","7","1") = "9"
    & skf18("6","9","10","7","2","8","1") = "9"
    & skf18("6","9","10","7","2","9","1") = "9"
    & skf18("6","9","10","7","2","10","1") = "9"
    & skf18("6","9","10","7","3","1","1") = "9"
    & skf18("6","9","10","7","3","2","1") = "9"
    & skf18("6","9","10","7","3","3","1") = "9"
    & skf18("6","9","10","7","3","4","1") = "9"
    & skf18("6","9","10","7","3","5","1") = "9"
    & skf18("6","9","10","7","3","6","1") = "9"
    & skf18("6","9","10","7","3","7","1") = "9"
    & skf18("6","9","10","7","3","8","1") = "9"
    & skf18("6","9","10","7","3","9","1") = "9"
    & skf18("6","9","10","7","3","10","1") = "9"
    & skf18("6","9","10","7","4","1","1") = "9"
    & skf18("6","9","10","7","4","2","1") = "9"
    & skf18("6","9","10","7","4","3","1") = "9"
    & skf18("6","9","10","7","4","4","1") = "9"
    & skf18("6","9","10","7","4","5","1") = "9"
    & skf18("6","9","10","7","4","6","1") = "9"
    & skf18("6","9","10","7","4","7","1") = "9"
    & skf18("6","9","10","7","4","8","1") = "9"
    & skf18("6","9","10","7","4","9","1") = "9"
    & skf18("6","9","10","7","4","10","1") = "9"
    & skf18("6","9","10","7","5","1","1") = "9"
    & skf18("6","9","10","7","5","2","1") = "9"
    & skf18("6","9","10","7","5","3","1") = "9"
    & skf18("6","9","10","7","5","4","1") = "9"
    & skf18("6","9","10","7","5","5","1") = "9"
    & skf18("6","9","10","7","5","6","1") = "9"
    & skf18("6","9","10","7","5","7","1") = "9"
    & skf18("6","9","10","7","5","8","1") = "9"
    & skf18("6","9","10","7","5","9","1") = "9"
    & skf18("6","9","10","7","5","10","1") = "9"
    & skf18("6","9","10","7","6","1","1") = "9"
    & skf18("6","9","10","7","6","2","1") = "9"
    & skf18("6","9","10","7","6","3","1") = "9"
    & skf18("6","9","10","7","6","4","1") = "9"
    & skf18("6","9","10","7","6","5","1") = "9"
    & skf18("6","9","10","7","6","6","1") = "9"
    & skf18("6","9","10","7","6","7","1") = "9"
    & skf18("6","9","10","7","6","8","1") = "9"
    & skf18("6","9","10","7","6","9","1") = "9"
    & skf18("6","9","10","7","6","10","1") = "9"
    & skf18("6","9","10","7","7","1","1") = "9"
    & skf18("6","9","10","7","7","2","1") = "9"
    & skf18("6","9","10","7","7","3","1") = "9"
    & skf18("6","9","10","7","7","4","1") = "9"
    & skf18("6","9","10","7","7","5","1") = "9"
    & skf18("6","9","10","7","7","6","1") = "9"
    & skf18("6","9","10","7","7","7","1") = "9"
    & skf18("6","9","10","7","7","8","1") = "9"
    & skf18("6","9","10","7","7","9","1") = "9"
    & skf18("6","9","10","7","7","10","1") = "9"
    & skf18("6","9","10","7","8","1","1") = "9"
    & skf18("6","9","10","7","8","2","1") = "9"
    & skf18("6","9","10","7","8","3","1") = "9"
    & skf18("6","9","10","7","8","4","1") = "9"
    & skf18("6","9","10","7","8","5","1") = "9"
    & skf18("6","9","10","7","8","6","1") = "9"
    & skf18("6","9","10","7","8","7","1") = "9"
    & skf18("6","9","10","7","8","8","1") = "9"
    & skf18("6","9","10","7","8","9","1") = "9"
    & skf18("6","9","10","7","8","10","1") = "9"
    & skf18("6","9","10","7","9","1","1") = "9"
    & skf18("6","9","10","7","9","2","1") = "9"
    & skf18("6","9","10","7","9","3","1") = "9"
    & skf18("6","9","10","7","9","4","1") = "9"
    & skf18("6","9","10","7","9","5","1") = "9"
    & skf18("6","9","10","7","9","6","1") = "9"
    & skf18("6","9","10","7","9","7","1") = "9"
    & skf18("6","9","10","7","9","8","1") = "9"
    & skf18("6","9","10","7","9","9","1") = "9"
    & skf18("6","9","10","7","9","10","1") = "9"
    & skf18("6","9","10","7","10","1","1") = "9"
    & skf18("6","9","10","7","10","2","1") = "9"
    & skf18("6","9","10","7","10","3","1") = "9"
    & skf18("6","9","10","7","10","4","1") = "9"
    & skf18("6","9","10","7","10","5","1") = "9"
    & skf18("6","9","10","7","10","6","1") = "9"
    & skf18("6","9","10","7","10","7","1") = "9"
    & skf18("6","9","10","7","10","8","1") = "9"
    & skf18("6","9","10","7","10","9","1") = "9"
    & skf18("6","9","10","7","10","10","1") = "9"
    & skf18("6","9","10","8","1","1","1") = "9"
    & skf18("6","9","10","8","1","2","1") = "9"
    & skf18("6","9","10","8","1","3","1") = "9"
    & skf18("6","9","10","8","1","4","1") = "9"
    & skf18("6","9","10","8","1","5","1") = "9"
    & skf18("6","9","10","8","1","6","1") = "9"
    & skf18("6","9","10","8","1","7","1") = "9"
    & skf18("6","9","10","8","1","8","1") = "9"
    & skf18("6","9","10","8","1","9","1") = "9"
    & skf18("6","9","10","8","1","10","1") = "9"
    & skf18("6","9","10","8","2","1","1") = "9"
    & skf18("6","9","10","8","2","2","1") = "9"
    & skf18("6","9","10","8","2","3","1") = "9"
    & skf18("6","9","10","8","2","4","1") = "9"
    & skf18("6","9","10","8","2","5","1") = "9"
    & skf18("6","9","10","8","2","6","1") = "9"
    & skf18("6","9","10","8","2","7","1") = "9"
    & skf18("6","9","10","8","2","8","1") = "9"
    & skf18("6","9","10","8","2","9","1") = "9"
    & skf18("6","9","10","8","2","10","1") = "9"
    & skf18("6","9","10","8","3","1","1") = "9"
    & skf18("6","9","10","8","3","2","1") = "9"
    & skf18("6","9","10","8","3","3","1") = "9"
    & skf18("6","9","10","8","3","4","1") = "9"
    & skf18("6","9","10","8","3","5","1") = "9"
    & skf18("6","9","10","8","3","6","1") = "9"
    & skf18("6","9","10","8","3","7","1") = "9"
    & skf18("6","9","10","8","3","8","1") = "9"
    & skf18("6","9","10","8","3","9","1") = "9"
    & skf18("6","9","10","8","3","10","1") = "9"
    & skf18("6","9","10","8","4","1","1") = "9"
    & skf18("6","9","10","8","4","2","1") = "9"
    & skf18("6","9","10","8","4","3","1") = "9"
    & skf18("6","9","10","8","4","4","1") = "9"
    & skf18("6","9","10","8","4","5","1") = "9"
    & skf18("6","9","10","8","4","6","1") = "9"
    & skf18("6","9","10","8","4","7","1") = "9"
    & skf18("6","9","10","8","4","8","1") = "9"
    & skf18("6","9","10","8","4","9","1") = "9"
    & skf18("6","9","10","8","4","10","1") = "9"
    & skf18("6","9","10","8","5","1","1") = "9"
    & skf18("6","9","10","8","5","2","1") = "9"
    & skf18("6","9","10","8","5","3","1") = "9"
    & skf18("6","9","10","8","5","4","1") = "9"
    & skf18("6","9","10","8","5","5","1") = "9"
    & skf18("6","9","10","8","5","6","1") = "9"
    & skf18("6","9","10","8","5","7","1") = "9"
    & skf18("6","9","10","8","5","8","1") = "9"
    & skf18("6","9","10","8","5","9","1") = "9"
    & skf18("6","9","10","8","5","10","1") = "9"
    & skf18("6","9","10","8","6","1","1") = "9"
    & skf18("6","9","10","8","6","2","1") = "9"
    & skf18("6","9","10","8","6","3","1") = "9"
    & skf18("6","9","10","8","6","4","1") = "9"
    & skf18("6","9","10","8","6","5","1") = "9"
    & skf18("6","9","10","8","6","6","1") = "9"
    & skf18("6","9","10","8","6","7","1") = "9"
    & skf18("6","9","10","8","6","8","1") = "9"
    & skf18("6","9","10","8","6","9","1") = "9"
    & skf18("6","9","10","8","6","10","1") = "9"
    & skf18("6","9","10","8","7","1","1") = "9"
    & skf18("6","9","10","8","7","2","1") = "9"
    & skf18("6","9","10","8","7","3","1") = "9"
    & skf18("6","9","10","8","7","4","1") = "9"
    & skf18("6","9","10","8","7","5","1") = "9"
    & skf18("6","9","10","8","7","6","1") = "9"
    & skf18("6","9","10","8","7","7","1") = "9"
    & skf18("6","9","10","8","7","8","1") = "9"
    & skf18("6","9","10","8","7","9","1") = "9"
    & skf18("6","9","10","8","7","10","1") = "9"
    & skf18("6","9","10","8","8","1","1") = "9"
    & skf18("6","9","10","8","8","2","1") = "9"
    & skf18("6","9","10","8","8","3","1") = "9"
    & skf18("6","9","10","8","8","4","1") = "9"
    & skf18("6","9","10","8","8","5","1") = "9"
    & skf18("6","9","10","8","8","6","1") = "9"
    & skf18("6","9","10","8","8","7","1") = "9"
    & skf18("6","9","10","8","8","8","1") = "9"
    & skf18("6","9","10","8","8","9","1") = "9"
    & skf18("6","9","10","8","8","10","1") = "9"
    & skf18("6","9","10","8","9","1","1") = "9"
    & skf18("6","9","10","8","9","2","1") = "9"
    & skf18("6","9","10","8","9","3","1") = "9"
    & skf18("6","9","10","8","9","4","1") = "9"
    & skf18("6","9","10","8","9","5","1") = "9"
    & skf18("6","9","10","8","9","6","1") = "9"
    & skf18("6","9","10","8","9","7","1") = "9"
    & skf18("6","9","10","8","9","8","1") = "9"
    & skf18("6","9","10","8","9","9","1") = "9"
    & skf18("6","9","10","8","9","10","1") = "9"
    & skf18("6","9","10","8","10","1","1") = "9"
    & skf18("6","9","10","8","10","2","1") = "9"
    & skf18("6","9","10","8","10","3","1") = "9"
    & skf18("6","9","10","8","10","4","1") = "9"
    & skf18("6","9","10","8","10","5","1") = "9"
    & skf18("6","9","10","8","10","6","1") = "9"
    & skf18("6","9","10","8","10","7","1") = "9"
    & skf18("6","9","10","8","10","8","1") = "9"
    & skf18("6","9","10","8","10","9","1") = "9"
    & skf18("6","9","10","8","10","10","1") = "9"
    & skf18("6","9","10","9","1","1","1") = "9"
    & skf18("6","9","10","9","1","2","1") = "9"
    & skf18("6","9","10","9","1","3","1") = "9"
    & skf18("6","9","10","9","1","4","1") = "9"
    & skf18("6","9","10","9","1","5","1") = "9"
    & skf18("6","9","10","9","1","6","1") = "9"
    & skf18("6","9","10","9","1","7","1") = "9"
    & skf18("6","9","10","9","1","8","1") = "9"
    & skf18("6","9","10","9","1","9","1") = "9"
    & skf18("6","9","10","9","1","10","1") = "9"
    & skf18("6","9","10","9","2","1","1") = "9"
    & skf18("6","9","10","9","2","2","1") = "9"
    & skf18("6","9","10","9","2","3","1") = "9"
    & skf18("6","9","10","9","2","4","1") = "9"
    & skf18("6","9","10","9","2","5","1") = "9"
    & skf18("6","9","10","9","2","6","1") = "9"
    & skf18("6","9","10","9","2","7","1") = "9"
    & skf18("6","9","10","9","2","8","1") = "9"
    & skf18("6","9","10","9","2","9","1") = "9"
    & skf18("6","9","10","9","2","10","1") = "9"
    & skf18("6","9","10","9","3","1","1") = "9"
    & skf18("6","9","10","9","3","2","1") = "9"
    & skf18("6","9","10","9","3","3","1") = "9"
    & skf18("6","9","10","9","3","4","1") = "9"
    & skf18("6","9","10","9","3","5","1") = "9"
    & skf18("6","9","10","9","3","6","1") = "9"
    & skf18("6","9","10","9","3","7","1") = "9"
    & skf18("6","9","10","9","3","8","1") = "9"
    & skf18("6","9","10","9","3","9","1") = "9"
    & skf18("6","9","10","9","3","10","1") = "9"
    & skf18("6","9","10","9","4","1","1") = "9"
    & skf18("6","9","10","9","4","2","1") = "9"
    & skf18("6","9","10","9","4","3","1") = "9"
    & skf18("6","9","10","9","4","4","1") = "9"
    & skf18("6","9","10","9","4","5","1") = "9"
    & skf18("6","9","10","9","4","6","1") = "9"
    & skf18("6","9","10","9","4","7","1") = "9"
    & skf18("6","9","10","9","4","8","1") = "9"
    & skf18("6","9","10","9","4","9","1") = "9"
    & skf18("6","9","10","9","4","10","1") = "9"
    & skf18("6","9","10","9","5","1","1") = "9"
    & skf18("6","9","10","9","5","2","1") = "9"
    & skf18("6","9","10","9","5","3","1") = "9"
    & skf18("6","9","10","9","5","4","1") = "9"
    & skf18("6","9","10","9","5","5","1") = "9"
    & skf18("6","9","10","9","5","6","1") = "9"
    & skf18("6","9","10","9","5","7","1") = "9"
    & skf18("6","9","10","9","5","8","1") = "9"
    & skf18("6","9","10","9","5","9","1") = "9"
    & skf18("6","9","10","9","5","10","1") = "9"
    & skf18("6","9","10","9","6","1","1") = "9"
    & skf18("6","9","10","9","6","2","1") = "9"
    & skf18("6","9","10","9","6","3","1") = "9"
    & skf18("6","9","10","9","6","4","1") = "9"
    & skf18("6","9","10","9","6","5","1") = "9"
    & skf18("6","9","10","9","6","6","1") = "9"
    & skf18("6","9","10","9","6","7","1") = "9"
    & skf18("6","9","10","9","6","8","1") = "9"
    & skf18("6","9","10","9","6","9","1") = "9"
    & skf18("6","9","10","9","6","10","1") = "9"
    & skf18("6","9","10","9","7","1","1") = "9"
    & skf18("6","9","10","9","7","2","1") = "9"
    & skf18("6","9","10","9","7","3","1") = "9"
    & skf18("6","9","10","9","7","4","1") = "9"
    & skf18("6","9","10","9","7","5","1") = "9"
    & skf18("6","9","10","9","7","6","1") = "9"
    & skf18("6","9","10","9","7","7","1") = "9"
    & skf18("6","9","10","9","7","8","1") = "9"
    & skf18("6","9","10","9","7","9","1") = "9"
    & skf18("6","9","10","9","7","10","1") = "9"
    & skf18("6","9","10","9","8","1","1") = "9"
    & skf18("6","9","10","9","8","2","1") = "9"
    & skf18("6","9","10","9","8","3","1") = "9"
    & skf18("6","9","10","9","8","4","1") = "9"
    & skf18("6","9","10","9","8","5","1") = "9"
    & skf18("6","9","10","9","8","6","1") = "9"
    & skf18("6","9","10","9","8","7","1") = "9"
    & skf18("6","9","10","9","8","8","1") = "9"
    & skf18("6","9","10","9","8","9","1") = "9"
    & skf18("6","9","10","9","8","10","1") = "9"
    & skf18("6","9","10","9","9","1","1") = "9"
    & skf18("6","9","10","9","9","2","1") = "9"
    & skf18("6","9","10","9","9","3","1") = "9"
    & skf18("6","9","10","9","9","4","1") = "9"
    & skf18("6","9","10","9","9","5","1") = "9"
    & skf18("6","9","10","9","9","6","1") = "9"
    & skf18("6","9","10","9","9","7","1") = "9"
    & skf18("6","9","10","9","9","8","1") = "9"
    & skf18("6","9","10","9","9","9","1") = "9"
    & skf18("6","9","10","9","9","10","1") = "9"
    & skf18("6","9","10","9","10","1","1") = "9"
    & skf18("6","9","10","9","10","2","1") = "9"
    & skf18("6","9","10","9","10","3","1") = "9"
    & skf18("6","9","10","9","10","4","1") = "9"
    & skf18("6","9","10","9","10","5","1") = "9"
    & skf18("6","9","10","9","10","6","1") = "9"
    & skf18("6","9","10","9","10","7","1") = "9"
    & skf18("6","9","10","9","10","8","1") = "9"
    & skf18("6","9","10","9","10","9","1") = "9"
    & skf18("6","9","10","9","10","10","1") = "9"
    & skf18("6","9","10","10","1","1","1") = "9"
    & skf18("6","9","10","10","1","2","1") = "9"
    & skf18("6","9","10","10","1","3","1") = "9"
    & skf18("6","9","10","10","1","4","1") = "9"
    & skf18("6","9","10","10","1","5","1") = "9"
    & skf18("6","9","10","10","1","6","1") = "9"
    & skf18("6","9","10","10","1","7","1") = "9"
    & skf18("6","9","10","10","1","8","1") = "9"
    & skf18("6","9","10","10","1","9","1") = "9"
    & skf18("6","9","10","10","1","10","1") = "9"
    & skf18("6","9","10","10","2","1","1") = "9"
    & skf18("6","9","10","10","2","2","1") = "9"
    & skf18("6","9","10","10","2","3","1") = "9"
    & skf18("6","9","10","10","2","4","1") = "9"
    & skf18("6","9","10","10","2","5","1") = "9"
    & skf18("6","9","10","10","2","6","1") = "9"
    & skf18("6","9","10","10","2","7","1") = "9"
    & skf18("6","9","10","10","2","8","1") = "9"
    & skf18("6","9","10","10","2","9","1") = "9"
    & skf18("6","9","10","10","2","10","1") = "9"
    & skf18("6","9","10","10","3","1","1") = "9"
    & skf18("6","9","10","10","3","2","1") = "9"
    & skf18("6","9","10","10","3","3","1") = "9"
    & skf18("6","9","10","10","3","4","1") = "9"
    & skf18("6","9","10","10","3","5","1") = "9"
    & skf18("6","9","10","10","3","6","1") = "9"
    & skf18("6","9","10","10","3","7","1") = "9"
    & skf18("6","9","10","10","3","8","1") = "9"
    & skf18("6","9","10","10","3","9","1") = "9"
    & skf18("6","9","10","10","3","10","1") = "9"
    & skf18("6","9","10","10","4","1","1") = "9"
    & skf18("6","9","10","10","4","2","1") = "9"
    & skf18("6","9","10","10","4","3","1") = "9"
    & skf18("6","9","10","10","4","4","1") = "9"
    & skf18("6","9","10","10","4","5","1") = "9"
    & skf18("6","9","10","10","4","6","1") = "9"
    & skf18("6","9","10","10","4","7","1") = "9"
    & skf18("6","9","10","10","4","8","1") = "9"
    & skf18("6","9","10","10","4","9","1") = "9"
    & skf18("6","9","10","10","4","10","1") = "9"
    & skf18("6","9","10","10","5","1","1") = "9"
    & skf18("6","9","10","10","5","2","1") = "9"
    & skf18("6","9","10","10","5","3","1") = "9"
    & skf18("6","9","10","10","5","4","1") = "9"
    & skf18("6","9","10","10","5","5","1") = "9"
    & skf18("6","9","10","10","5","6","1") = "9"
    & skf18("6","9","10","10","5","7","1") = "9"
    & skf18("6","9","10","10","5","8","1") = "9"
    & skf18("6","9","10","10","5","9","1") = "9"
    & skf18("6","9","10","10","5","10","1") = "9"
    & skf18("6","9","10","10","6","1","1") = "9"
    & skf18("6","9","10","10","6","2","1") = "9"
    & skf18("6","9","10","10","6","3","1") = "9"
    & skf18("6","9","10","10","6","4","1") = "9"
    & skf18("6","9","10","10","6","5","1") = "9"
    & skf18("6","9","10","10","6","6","1") = "9"
    & skf18("6","9","10","10","6","7","1") = "9"
    & skf18("6","9","10","10","6","8","1") = "9"
    & skf18("6","9","10","10","6","9","1") = "9"
    & skf18("6","9","10","10","6","10","1") = "9"
    & skf18("6","9","10","10","7","1","1") = "9"
    & skf18("6","9","10","10","7","2","1") = "9"
    & skf18("6","9","10","10","7","3","1") = "9"
    & skf18("6","9","10","10","7","4","1") = "9"
    & skf18("6","9","10","10","7","5","1") = "9"
    & skf18("6","9","10","10","7","6","1") = "9"
    & skf18("6","9","10","10","7","7","1") = "9"
    & skf18("6","9","10","10","7","8","1") = "9"
    & skf18("6","9","10","10","7","9","1") = "9"
    & skf18("6","9","10","10","7","10","1") = "9"
    & skf18("6","9","10","10","8","1","1") = "9"
    & skf18("6","9","10","10","8","2","1") = "9"
    & skf18("6","9","10","10","8","3","1") = "9"
    & skf18("6","9","10","10","8","4","1") = "9"
    & skf18("6","9","10","10","8","5","1") = "9"
    & skf18("6","9","10","10","8","6","1") = "9"
    & skf18("6","9","10","10","8","7","1") = "9"
    & skf18("6","9","10","10","8","8","1") = "9"
    & skf18("6","9","10","10","8","9","1") = "9"
    & skf18("6","9","10","10","8","10","1") = "9"
    & skf18("6","9","10","10","9","1","1") = "9"
    & skf18("6","9","10","10","9","2","1") = "9"
    & skf18("6","9","10","10","9","3","1") = "9"
    & skf18("6","9","10","10","9","4","1") = "9"
    & skf18("6","9","10","10","9","5","1") = "9"
    & skf18("6","9","10","10","9","6","1") = "9"
    & skf18("6","9","10","10","9","7","1") = "9"
    & skf18("6","9","10","10","9","8","1") = "9"
    & skf18("6","9","10","10","9","9","1") = "9"
    & skf18("6","9","10","10","9","10","1") = "9"
    & skf18("6","9","10","10","10","1","1") = "9"
    & skf18("6","9","10","10","10","2","1") = "9"
    & skf18("6","9","10","10","10","3","1") = "9"
    & skf18("6","9","10","10","10","4","1") = "9"
    & skf18("6","9","10","10","10","5","1") = "9"
    & skf18("6","9","10","10","10","6","1") = "9"
    & skf18("6","9","10","10","10","7","1") = "9"
    & skf18("6","9","10","10","10","8","1") = "9"
    & skf18("6","9","10","10","10","9","1") = "9"
    & skf18("6","9","10","10","10","10","1") = "9"
    & skf18("6","10","1","1","1","1","1") = "9"
    & skf18("6","10","1","1","1","2","1") = "9"
    & skf18("6","10","1","1","1","3","1") = "9"
    & skf18("6","10","1","1","1","4","1") = "9"
    & skf18("6","10","1","1","1","5","1") = "9"
    & skf18("6","10","1","1","1","6","1") = "9"
    & skf18("6","10","1","1","1","7","1") = "9"
    & skf18("6","10","1","1","1","8","1") = "9"
    & skf18("6","10","1","1","1","9","1") = "9"
    & skf18("6","10","1","1","1","10","1") = "9"
    & skf18("6","10","1","1","2","1","1") = "9"
    & skf18("6","10","1","1","2","2","1") = "9"
    & skf18("6","10","1","1","2","3","1") = "9"
    & skf18("6","10","1","1","2","4","1") = "9"
    & skf18("6","10","1","1","2","5","1") = "9"
    & skf18("6","10","1","1","2","6","1") = "9"
    & skf18("6","10","1","1","2","7","1") = "9"
    & skf18("6","10","1","1","2","8","1") = "9"
    & skf18("6","10","1","1","2","9","1") = "9"
    & skf18("6","10","1","1","2","10","1") = "9"
    & skf18("6","10","1","1","3","1","1") = "9"
    & skf18("6","10","1","1","3","2","1") = "9"
    & skf18("6","10","1","1","3","3","1") = "9"
    & skf18("6","10","1","1","3","4","1") = "9"
    & skf18("6","10","1","1","3","5","1") = "9"
    & skf18("6","10","1","1","3","6","1") = "9"
    & skf18("6","10","1","1","3","7","1") = "9"
    & skf18("6","10","1","1","3","8","1") = "9"
    & skf18("6","10","1","1","3","9","1") = "9"
    & skf18("6","10","1","1","3","10","1") = "9"
    & skf18("6","10","1","1","4","1","1") = "9"
    & skf18("6","10","1","1","4","2","1") = "9"
    & skf18("6","10","1","1","4","3","1") = "9"
    & skf18("6","10","1","1","4","4","1") = "9"
    & skf18("6","10","1","1","4","5","1") = "9"
    & skf18("6","10","1","1","4","6","1") = "9"
    & skf18("6","10","1","1","4","7","1") = "9"
    & skf18("6","10","1","1","4","8","1") = "9"
    & skf18("6","10","1","1","4","9","1") = "9"
    & skf18("6","10","1","1","4","10","1") = "9"
    & skf18("6","10","1","1","5","1","1") = "9"
    & skf18("6","10","1","1","5","2","1") = "9"
    & skf18("6","10","1","1","5","3","1") = "9"
    & skf18("6","10","1","1","5","4","1") = "9"
    & skf18("6","10","1","1","5","5","1") = "9"
    & skf18("6","10","1","1","5","6","1") = "9"
    & skf18("6","10","1","1","5","7","1") = "9"
    & skf18("6","10","1","1","5","8","1") = "9"
    & skf18("6","10","1","1","5","9","1") = "9"
    & skf18("6","10","1","1","5","10","1") = "9"
    & skf18("6","10","1","1","6","1","1") = "9"
    & skf18("6","10","1","1","6","2","1") = "9"
    & skf18("6","10","1","1","6","3","1") = "9"
    & skf18("6","10","1","1","6","4","1") = "9"
    & skf18("6","10","1","1","6","5","1") = "9"
    & skf18("6","10","1","1","6","6","1") = "9"
    & skf18("6","10","1","1","6","7","1") = "9"
    & skf18("6","10","1","1","6","8","1") = "9"
    & skf18("6","10","1","1","6","9","1") = "9"
    & skf18("6","10","1","1","6","10","1") = "9"
    & skf18("6","10","1","1","7","1","1") = "9"
    & skf18("6","10","1","1","7","2","1") = "9"
    & skf18("6","10","1","1","7","3","1") = "9"
    & skf18("6","10","1","1","7","4","1") = "9"
    & skf18("6","10","1","1","7","5","1") = "9"
    & skf18("6","10","1","1","7","6","1") = "9"
    & skf18("6","10","1","1","7","7","1") = "9"
    & skf18("6","10","1","1","7","8","1") = "9"
    & skf18("6","10","1","1","7","9","1") = "9"
    & skf18("6","10","1","1","7","10","1") = "9"
    & skf18("6","10","1","1","8","1","1") = "9"
    & skf18("6","10","1","1","8","2","1") = "9"
    & skf18("6","10","1","1","8","3","1") = "9"
    & skf18("6","10","1","1","8","4","1") = "9"
    & skf18("6","10","1","1","8","5","1") = "9"
    & skf18("6","10","1","1","8","6","1") = "9"
    & skf18("6","10","1","1","8","7","1") = "9"
    & skf18("6","10","1","1","8","8","1") = "9"
    & skf18("6","10","1","1","8","9","1") = "9"
    & skf18("6","10","1","1","8","10","1") = "9"
    & skf18("6","10","1","1","9","1","1") = "9"
    & skf18("6","10","1","1","9","2","1") = "9"
    & skf18("6","10","1","1","9","3","1") = "9"
    & skf18("6","10","1","1","9","4","1") = "9"
    & skf18("6","10","1","1","9","5","1") = "9"
    & skf18("6","10","1","1","9","6","1") = "9"
    & skf18("6","10","1","1","9","7","1") = "9"
    & skf18("6","10","1","1","9","8","1") = "9"
    & skf18("6","10","1","1","9","9","1") = "9"
    & skf18("6","10","1","1","9","10","1") = "9"
    & skf18("6","10","1","1","10","1","1") = "9"
    & skf18("6","10","1","1","10","2","1") = "9"
    & skf18("6","10","1","1","10","3","1") = "9"
    & skf18("6","10","1","1","10","4","1") = "9"
    & skf18("6","10","1","1","10","5","1") = "9"
    & skf18("6","10","1","1","10","6","1") = "9"
    & skf18("6","10","1","1","10","7","1") = "9"
    & skf18("6","10","1","1","10","8","1") = "9"
    & skf18("6","10","1","1","10","9","1") = "9"
    & skf18("6","10","1","1","10","10","1") = "9"
    & skf18("6","10","1","2","1","1","1") = "9"
    & skf18("6","10","1","2","1","2","1") = "9"
    & skf18("6","10","1","2","1","3","1") = "9"
    & skf18("6","10","1","2","1","4","1") = "9"
    & skf18("6","10","1","2","1","5","1") = "9"
    & skf18("6","10","1","2","1","6","1") = "9"
    & skf18("6","10","1","2","1","7","1") = "9"
    & skf18("6","10","1","2","1","8","1") = "9"
    & skf18("6","10","1","2","1","9","1") = "9"
    & skf18("6","10","1","2","1","10","1") = "9"
    & skf18("6","10","1","2","2","1","1") = "9"
    & skf18("6","10","1","2","2","2","1") = "9"
    & skf18("6","10","1","2","2","3","1") = "9"
    & skf18("6","10","1","2","2","4","1") = "9"
    & skf18("6","10","1","2","2","5","1") = "9"
    & skf18("6","10","1","2","2","6","1") = "9"
    & skf18("6","10","1","2","2","7","1") = "9"
    & skf18("6","10","1","2","2","8","1") = "9"
    & skf18("6","10","1","2","2","9","1") = "9"
    & skf18("6","10","1","2","2","10","1") = "9"
    & skf18("6","10","1","2","3","1","1") = "9"
    & skf18("6","10","1","2","3","2","1") = "9"
    & skf18("6","10","1","2","3","3","1") = "9"
    & skf18("6","10","1","2","3","4","1") = "9"
    & skf18("6","10","1","2","3","5","1") = "9"
    & skf18("6","10","1","2","3","6","1") = "9"
    & skf18("6","10","1","2","3","7","1") = "9"
    & skf18("6","10","1","2","3","8","1") = "9"
    & skf18("6","10","1","2","3","9","1") = "9"
    & skf18("6","10","1","2","3","10","1") = "9"
    & skf18("6","10","1","2","4","1","1") = "9"
    & skf18("6","10","1","2","4","2","1") = "9"
    & skf18("6","10","1","2","4","3","1") = "9"
    & skf18("6","10","1","2","4","4","1") = "9"
    & skf18("6","10","1","2","4","5","1") = "9"
    & skf18("6","10","1","2","4","6","1") = "9"
    & skf18("6","10","1","2","4","7","1") = "9"
    & skf18("6","10","1","2","4","8","1") = "9"
    & skf18("6","10","1","2","4","9","1") = "9"
    & skf18("6","10","1","2","4","10","1") = "9"
    & skf18("6","10","1","2","5","1","1") = "9"
    & skf18("6","10","1","2","5","2","1") = "9"
    & skf18("6","10","1","2","5","3","1") = "9"
    & skf18("6","10","1","2","5","4","1") = "9"
    & skf18("6","10","1","2","5","5","1") = "9"
    & skf18("6","10","1","2","5","6","1") = "9"
    & skf18("6","10","1","2","5","7","1") = "9"
    & skf18("6","10","1","2","5","8","1") = "9"
    & skf18("6","10","1","2","5","9","1") = "9"
    & skf18("6","10","1","2","5","10","1") = "9"
    & skf18("6","10","1","2","6","1","1") = "9"
    & skf18("6","10","1","2","6","2","1") = "9"
    & skf18("6","10","1","2","6","3","1") = "9"
    & skf18("6","10","1","2","6","4","1") = "9"
    & skf18("6","10","1","2","6","5","1") = "9"
    & skf18("6","10","1","2","6","6","1") = "9"
    & skf18("6","10","1","2","6","7","1") = "9"
    & skf18("6","10","1","2","6","8","1") = "9"
    & skf18("6","10","1","2","6","9","1") = "9"
    & skf18("6","10","1","2","6","10","1") = "9"
    & skf18("6","10","1","2","7","1","1") = "9"
    & skf18("6","10","1","2","7","2","1") = "9"
    & skf18("6","10","1","2","7","3","1") = "9"
    & skf18("6","10","1","2","7","4","1") = "9"
    & skf18("6","10","1","2","7","5","1") = "9"
    & skf18("6","10","1","2","7","6","1") = "9"
    & skf18("6","10","1","2","7","7","1") = "9"
    & skf18("6","10","1","2","7","8","1") = "9"
    & skf18("6","10","1","2","7","9","1") = "9"
    & skf18("6","10","1","2","7","10","1") = "9"
    & skf18("6","10","1","2","8","1","1") = "9"
    & skf18("6","10","1","2","8","2","1") = "9"
    & skf18("6","10","1","2","8","3","1") = "9"
    & skf18("6","10","1","2","8","4","1") = "9"
    & skf18("6","10","1","2","8","5","1") = "9"
    & skf18("6","10","1","2","8","6","1") = "9"
    & skf18("6","10","1","2","8","7","1") = "9"
    & skf18("6","10","1","2","8","8","1") = "9"
    & skf18("6","10","1","2","8","9","1") = "9"
    & skf18("6","10","1","2","8","10","1") = "9"
    & skf18("6","10","1","2","9","1","1") = "9"
    & skf18("6","10","1","2","9","2","1") = "9"
    & skf18("6","10","1","2","9","3","1") = "9"
    & skf18("6","10","1","2","9","4","1") = "9"
    & skf18("6","10","1","2","9","5","1") = "9"
    & skf18("6","10","1","2","9","6","1") = "9"
    & skf18("6","10","1","2","9","7","1") = "9"
    & skf18("6","10","1","2","9","8","1") = "9"
    & skf18("6","10","1","2","9","9","1") = "9"
    & skf18("6","10","1","2","9","10","1") = "9"
    & skf18("6","10","1","2","10","1","1") = "9"
    & skf18("6","10","1","2","10","2","1") = "9"
    & skf18("6","10","1","2","10","3","1") = "9"
    & skf18("6","10","1","2","10","4","1") = "9"
    & skf18("6","10","1","2","10","5","1") = "9"
    & skf18("6","10","1","2","10","6","1") = "9"
    & skf18("6","10","1","2","10","7","1") = "9"
    & skf18("6","10","1","2","10","8","1") = "9"
    & skf18("6","10","1","2","10","9","1") = "9"
    & skf18("6","10","1","2","10","10","1") = "9"
    & skf18("6","10","1","3","1","1","1") = "9"
    & skf18("6","10","1","3","1","2","1") = "9"
    & skf18("6","10","1","3","1","3","1") = "9"
    & skf18("6","10","1","3","1","4","1") = "9"
    & skf18("6","10","1","3","1","5","1") = "9"
    & skf18("6","10","1","3","1","6","1") = "9"
    & skf18("6","10","1","3","1","7","1") = "9"
    & skf18("6","10","1","3","1","8","1") = "9"
    & skf18("6","10","1","3","1","9","1") = "9"
    & skf18("6","10","1","3","1","10","1") = "9"
    & skf18("6","10","1","3","2","1","1") = "9"
    & skf18("6","10","1","3","2","2","1") = "9"
    & skf18("6","10","1","3","2","3","1") = "9"
    & skf18("6","10","1","3","2","4","1") = "9"
    & skf18("6","10","1","3","2","5","1") = "9"
    & skf18("6","10","1","3","2","6","1") = "9"
    & skf18("6","10","1","3","2","7","1") = "9"
    & skf18("6","10","1","3","2","8","1") = "9"
    & skf18("6","10","1","3","2","9","1") = "9"
    & skf18("6","10","1","3","2","10","1") = "9"
    & skf18("6","10","1","3","3","1","1") = "9"
    & skf18("6","10","1","3","3","2","1") = "9"
    & skf18("6","10","1","3","3","3","1") = "9"
    & skf18("6","10","1","3","3","4","1") = "9"
    & skf18("6","10","1","3","3","5","1") = "9"
    & skf18("6","10","1","3","3","6","1") = "9"
    & skf18("6","10","1","3","3","7","1") = "9"
    & skf18("6","10","1","3","3","8","1") = "9"
    & skf18("6","10","1","3","3","9","1") = "9"
    & skf18("6","10","1","3","3","10","1") = "9"
    & skf18("6","10","1","3","4","1","1") = "9"
    & skf18("6","10","1","3","4","2","1") = "9"
    & skf18("6","10","1","3","4","3","1") = "9"
    & skf18("6","10","1","3","4","4","1") = "9"
    & skf18("6","10","1","3","4","5","1") = "9"
    & skf18("6","10","1","3","4","6","1") = "9"
    & skf18("6","10","1","3","4","7","1") = "9"
    & skf18("6","10","1","3","4","8","1") = "9"
    & skf18("6","10","1","3","4","9","1") = "9"
    & skf18("6","10","1","3","4","10","1") = "9"
    & skf18("6","10","1","3","5","1","1") = "9"
    & skf18("6","10","1","3","5","2","1") = "9"
    & skf18("6","10","1","3","5","3","1") = "9"
    & skf18("6","10","1","3","5","4","1") = "9"
    & skf18("6","10","1","3","5","5","1") = "9"
    & skf18("6","10","1","3","5","6","1") = "9"
    & skf18("6","10","1","3","5","7","1") = "9"
    & skf18("6","10","1","3","5","8","1") = "9"
    & skf18("6","10","1","3","5","9","1") = "9"
    & skf18("6","10","1","3","5","10","1") = "9"
    & skf18("6","10","1","3","6","1","1") = "9"
    & skf18("6","10","1","3","6","2","1") = "9"
    & skf18("6","10","1","3","6","3","1") = "9"
    & skf18("6","10","1","3","6","4","1") = "9"
    & skf18("6","10","1","3","6","5","1") = "9"
    & skf18("6","10","1","3","6","6","1") = "9"
    & skf18("6","10","1","3","6","7","1") = "9"
    & skf18("6","10","1","3","6","8","1") = "9"
    & skf18("6","10","1","3","6","9","1") = "9"
    & skf18("6","10","1","3","6","10","1") = "9"
    & skf18("6","10","1","3","7","1","1") = "9"
    & skf18("6","10","1","3","7","2","1") = "9"
    & skf18("6","10","1","3","7","3","1") = "9"
    & skf18("6","10","1","3","7","4","1") = "9"
    & skf18("6","10","1","3","7","5","1") = "9"
    & skf18("6","10","1","3","7","6","1") = "9"
    & skf18("6","10","1","3","7","7","1") = "9"
    & skf18("6","10","1","3","7","8","1") = "9"
    & skf18("6","10","1","3","7","9","1") = "9"
    & skf18("6","10","1","3","7","10","1") = "9"
    & skf18("6","10","1","3","8","1","1") = "9"
    & skf18("6","10","1","3","8","2","1") = "9"
    & skf18("6","10","1","3","8","3","1") = "9"
    & skf18("6","10","1","3","8","4","1") = "9"
    & skf18("6","10","1","3","8","5","1") = "9"
    & skf18("6","10","1","3","8","6","1") = "9"
    & skf18("6","10","1","3","8","7","1") = "9"
    & skf18("6","10","1","3","8","8","1") = "9"
    & skf18("6","10","1","3","8","9","1") = "9"
    & skf18("6","10","1","3","8","10","1") = "9"
    & skf18("6","10","1","3","9","1","1") = "9"
    & skf18("6","10","1","3","9","2","1") = "9"
    & skf18("6","10","1","3","9","3","1") = "9"
    & skf18("6","10","1","3","9","4","1") = "9"
    & skf18("6","10","1","3","9","5","1") = "9"
    & skf18("6","10","1","3","9","6","1") = "9"
    & skf18("6","10","1","3","9","7","1") = "9"
    & skf18("6","10","1","3","9","8","1") = "9"
    & skf18("6","10","1","3","9","9","1") = "9"
    & skf18("6","10","1","3","9","10","1") = "9"
    & skf18("6","10","1","3","10","1","1") = "9"
    & skf18("6","10","1","3","10","2","1") = "9"
    & skf18("6","10","1","3","10","3","1") = "9"
    & skf18("6","10","1","3","10","4","1") = "9"
    & skf18("6","10","1","3","10","5","1") = "9"
    & skf18("6","10","1","3","10","6","1") = "9"
    & skf18("6","10","1","3","10","7","1") = "9"
    & skf18("6","10","1","3","10","8","1") = "9"
    & skf18("6","10","1","3","10","9","1") = "9"
    & skf18("6","10","1","3","10","10","1") = "9"
    & skf18("6","10","1","4","1","1","1") = "9"
    & skf18("6","10","1","4","1","2","1") = "9"
    & skf18("6","10","1","4","1","3","1") = "9"
    & skf18("6","10","1","4","1","4","1") = "9"
    & skf18("6","10","1","4","1","5","1") = "9"
    & skf18("6","10","1","4","1","6","1") = "9"
    & skf18("6","10","1","4","1","7","1") = "9"
    & skf18("6","10","1","4","1","8","1") = "9"
    & skf18("6","10","1","4","1","9","1") = "9"
    & skf18("6","10","1","4","1","10","1") = "9"
    & skf18("6","10","1","4","2","1","1") = "9"
    & skf18("6","10","1","4","2","2","1") = "9"
    & skf18("6","10","1","4","2","3","1") = "9"
    & skf18("6","10","1","4","2","4","1") = "9"
    & skf18("6","10","1","4","2","5","1") = "9"
    & skf18("6","10","1","4","2","6","1") = "9"
    & skf18("6","10","1","4","2","7","1") = "9"
    & skf18("6","10","1","4","2","8","1") = "9"
    & skf18("6","10","1","4","2","9","1") = "9"
    & skf18("6","10","1","4","2","10","1") = "9"
    & skf18("6","10","1","4","3","1","1") = "9"
    & skf18("6","10","1","4","3","2","1") = "9"
    & skf18("6","10","1","4","3","3","1") = "9"
    & skf18("6","10","1","4","3","4","1") = "9"
    & skf18("6","10","1","4","3","5","1") = "9"
    & skf18("6","10","1","4","3","6","1") = "9"
    & skf18("6","10","1","4","3","7","1") = "9"
    & skf18("6","10","1","4","3","8","1") = "9"
    & skf18("6","10","1","4","3","9","1") = "9"
    & skf18("6","10","1","4","3","10","1") = "9"
    & skf18("6","10","1","4","4","1","1") = "9"
    & skf18("6","10","1","4","4","2","1") = "9"
    & skf18("6","10","1","4","4","3","1") = "9"
    & skf18("6","10","1","4","4","4","1") = "9"
    & skf18("6","10","1","4","4","5","1") = "9"
    & skf18("6","10","1","4","4","6","1") = "9"
    & skf18("6","10","1","4","4","7","1") = "9"
    & skf18("6","10","1","4","4","8","1") = "9"
    & skf18("6","10","1","4","4","9","1") = "9"
    & skf18("6","10","1","4","4","10","1") = "9"
    & skf18("6","10","1","4","5","1","1") = "9"
    & skf18("6","10","1","4","5","2","1") = "9"
    & skf18("6","10","1","4","5","3","1") = "9"
    & skf18("6","10","1","4","5","4","1") = "9"
    & skf18("6","10","1","4","5","5","1") = "9"
    & skf18("6","10","1","4","5","6","1") = "9"
    & skf18("6","10","1","4","5","7","1") = "9"
    & skf18("6","10","1","4","5","8","1") = "9"
    & skf18("6","10","1","4","5","9","1") = "9"
    & skf18("6","10","1","4","5","10","1") = "9"
    & skf18("6","10","1","4","6","1","1") = "9"
    & skf18("6","10","1","4","6","2","1") = "9"
    & skf18("6","10","1","4","6","3","1") = "9"
    & skf18("6","10","1","4","6","4","1") = "9"
    & skf18("6","10","1","4","6","5","1") = "9"
    & skf18("6","10","1","4","6","6","1") = "9"
    & skf18("6","10","1","4","6","7","1") = "9"
    & skf18("6","10","1","4","6","8","1") = "9"
    & skf18("6","10","1","4","6","9","1") = "9"
    & skf18("6","10","1","4","6","10","1") = "9"
    & skf18("6","10","1","4","7","1","1") = "9"
    & skf18("6","10","1","4","7","2","1") = "9"
    & skf18("6","10","1","4","7","3","1") = "9"
    & skf18("6","10","1","4","7","4","1") = "9"
    & skf18("6","10","1","4","7","5","1") = "9"
    & skf18("6","10","1","4","7","6","1") = "9"
    & skf18("6","10","1","4","7","7","1") = "9"
    & skf18("6","10","1","4","7","8","1") = "9"
    & skf18("6","10","1","4","7","9","1") = "9"
    & skf18("6","10","1","4","7","10","1") = "9"
    & skf18("6","10","1","4","8","1","1") = "9"
    & skf18("6","10","1","4","8","2","1") = "9"
    & skf18("6","10","1","4","8","3","1") = "9"
    & skf18("6","10","1","4","8","4","1") = "9"
    & skf18("6","10","1","4","8","5","1") = "9"
    & skf18("6","10","1","4","8","6","1") = "9"
    & skf18("6","10","1","4","8","7","1") = "9"
    & skf18("6","10","1","4","8","8","1") = "9"
    & skf18("6","10","1","4","8","9","1") = "9"
    & skf18("6","10","1","4","8","10","1") = "9"
    & skf18("6","10","1","4","9","1","1") = "9"
    & skf18("6","10","1","4","9","2","1") = "9"
    & skf18("6","10","1","4","9","3","1") = "9"
    & skf18("6","10","1","4","9","4","1") = "9"
    & skf18("6","10","1","4","9","5","1") = "9"
    & skf18("6","10","1","4","9","6","1") = "9"
    & skf18("6","10","1","4","9","7","1") = "9"
    & skf18("6","10","1","4","9","8","1") = "9"
    & skf18("6","10","1","4","9","9","1") = "9"
    & skf18("6","10","1","4","9","10","1") = "9"
    & skf18("6","10","1","4","10","1","1") = "9"
    & skf18("6","10","1","4","10","2","1") = "9"
    & skf18("6","10","1","4","10","3","1") = "9"
    & skf18("6","10","1","4","10","4","1") = "9"
    & skf18("6","10","1","4","10","5","1") = "9"
    & skf18("6","10","1","4","10","6","1") = "9"
    & skf18("6","10","1","4","10","7","1") = "9"
    & skf18("6","10","1","4","10","8","1") = "9"
    & skf18("6","10","1","4","10","9","1") = "9"
    & skf18("6","10","1","4","10","10","1") = "9"
    & skf18("6","10","1","5","1","1","1") = "9"
    & skf18("6","10","1","5","1","2","1") = "9"
    & skf18("6","10","1","5","1","3","1") = "9"
    & skf18("6","10","1","5","1","4","1") = "9"
    & skf18("6","10","1","5","1","5","1") = "9"
    & skf18("6","10","1","5","1","6","1") = "9"
    & skf18("6","10","1","5","1","7","1") = "9"
    & skf18("6","10","1","5","1","8","1") = "9"
    & skf18("6","10","1","5","1","9","1") = "9"
    & skf18("6","10","1","5","1","10","1") = "9"
    & skf18("6","10","1","5","2","1","1") = "9"
    & skf18("6","10","1","5","2","2","1") = "9"
    & skf18("6","10","1","5","2","3","1") = "9"
    & skf18("6","10","1","5","2","4","1") = "9"
    & skf18("6","10","1","5","2","5","1") = "9"
    & skf18("6","10","1","5","2","6","1") = "9"
    & skf18("6","10","1","5","2","7","1") = "9"
    & skf18("6","10","1","5","2","8","1") = "9"
    & skf18("6","10","1","5","2","9","1") = "9"
    & skf18("6","10","1","5","2","10","1") = "9"
    & skf18("6","10","1","5","3","1","1") = "9"
    & skf18("6","10","1","5","3","2","1") = "9"
    & skf18("6","10","1","5","3","3","1") = "9"
    & skf18("6","10","1","5","3","4","1") = "9"
    & skf18("6","10","1","5","3","5","1") = "9"
    & skf18("6","10","1","5","3","6","1") = "9"
    & skf18("6","10","1","5","3","7","1") = "9"
    & skf18("6","10","1","5","3","8","1") = "9"
    & skf18("6","10","1","5","3","9","1") = "9"
    & skf18("6","10","1","5","3","10","1") = "9"
    & skf18("6","10","1","5","4","1","1") = "9"
    & skf18("6","10","1","5","4","2","1") = "9"
    & skf18("6","10","1","5","4","3","1") = "9"
    & skf18("6","10","1","5","4","4","1") = "9"
    & skf18("6","10","1","5","4","5","1") = "9"
    & skf18("6","10","1","5","4","6","1") = "9"
    & skf18("6","10","1","5","4","7","1") = "9"
    & skf18("6","10","1","5","4","8","1") = "9"
    & skf18("6","10","1","5","4","9","1") = "9"
    & skf18("6","10","1","5","4","10","1") = "9"
    & skf18("6","10","1","5","5","1","1") = "9"
    & skf18("6","10","1","5","5","2","1") = "9"
    & skf18("6","10","1","5","5","3","1") = "9"
    & skf18("6","10","1","5","5","4","1") = "9"
    & skf18("6","10","1","5","5","5","1") = "9"
    & skf18("6","10","1","5","5","6","1") = "9"
    & skf18("6","10","1","5","5","7","1") = "9"
    & skf18("6","10","1","5","5","8","1") = "9"
    & skf18("6","10","1","5","5","9","1") = "9"
    & skf18("6","10","1","5","5","10","1") = "9"
    & skf18("6","10","1","5","6","1","1") = "9"
    & skf18("6","10","1","5","6","2","1") = "9"
    & skf18("6","10","1","5","6","3","1") = "9"
    & skf18("6","10","1","5","6","4","1") = "9"
    & skf18("6","10","1","5","6","5","1") = "9"
    & skf18("6","10","1","5","6","6","1") = "9"
    & skf18("6","10","1","5","6","7","1") = "9"
    & skf18("6","10","1","5","6","8","1") = "9"
    & skf18("6","10","1","5","6","9","1") = "9"
    & skf18("6","10","1","5","6","10","1") = "9"
    & skf18("6","10","1","5","7","1","1") = "9"
    & skf18("6","10","1","5","7","2","1") = "9"
    & skf18("6","10","1","5","7","3","1") = "9"
    & skf18("6","10","1","5","7","4","1") = "9"
    & skf18("6","10","1","5","7","5","1") = "9"
    & skf18("6","10","1","5","7","6","1") = "9"
    & skf18("6","10","1","5","7","7","1") = "9"
    & skf18("6","10","1","5","7","8","1") = "9"
    & skf18("6","10","1","5","7","9","1") = "9"
    & skf18("6","10","1","5","7","10","1") = "9"
    & skf18("6","10","1","5","8","1","1") = "9"
    & skf18("6","10","1","5","8","2","1") = "9"
    & skf18("6","10","1","5","8","3","1") = "9"
    & skf18("6","10","1","5","8","4","1") = "9"
    & skf18("6","10","1","5","8","5","1") = "9"
    & skf18("6","10","1","5","8","6","1") = "9"
    & skf18("6","10","1","5","8","7","1") = "9"
    & skf18("6","10","1","5","8","8","1") = "9"
    & skf18("6","10","1","5","8","9","1") = "9"
    & skf18("6","10","1","5","8","10","1") = "9"
    & skf18("6","10","1","5","9","1","1") = "9"
    & skf18("6","10","1","5","9","2","1") = "9"
    & skf18("6","10","1","5","9","3","1") = "9"
    & skf18("6","10","1","5","9","4","1") = "9"
    & skf18("6","10","1","5","9","5","1") = "9"
    & skf18("6","10","1","5","9","6","1") = "9"
    & skf18("6","10","1","5","9","7","1") = "9"
    & skf18("6","10","1","5","9","8","1") = "9"
    & skf18("6","10","1","5","9","9","1") = "9"
    & skf18("6","10","1","5","9","10","1") = "9"
    & skf18("6","10","1","5","10","1","1") = "9"
    & skf18("6","10","1","5","10","2","1") = "9"
    & skf18("6","10","1","5","10","3","1") = "9"
    & skf18("6","10","1","5","10","4","1") = "9"
    & skf18("6","10","1","5","10","5","1") = "9"
    & skf18("6","10","1","5","10","6","1") = "9"
    & skf18("6","10","1","5","10","7","1") = "9"
    & skf18("6","10","1","5","10","8","1") = "9"
    & skf18("6","10","1","5","10","9","1") = "9"
    & skf18("6","10","1","5","10","10","1") = "9"
    & skf18("6","10","1","6","1","1","1") = "9"
    & skf18("6","10","1","6","1","2","1") = "9"
    & skf18("6","10","1","6","1","3","1") = "9"
    & skf18("6","10","1","6","1","4","1") = "9"
    & skf18("6","10","1","6","1","5","1") = "9"
    & skf18("6","10","1","6","1","6","1") = "9"
    & skf18("6","10","1","6","1","7","1") = "9"
    & skf18("6","10","1","6","1","8","1") = "9"
    & skf18("6","10","1","6","1","9","1") = "9"
    & skf18("6","10","1","6","1","10","1") = "9"
    & skf18("6","10","1","6","2","1","1") = "9"
    & skf18("6","10","1","6","2","2","1") = "9"
    & skf18("6","10","1","6","2","3","1") = "9"
    & skf18("6","10","1","6","2","4","1") = "9"
    & skf18("6","10","1","6","2","5","1") = "9"
    & skf18("6","10","1","6","2","6","1") = "9"
    & skf18("6","10","1","6","2","7","1") = "9"
    & skf18("6","10","1","6","2","8","1") = "9"
    & skf18("6","10","1","6","2","9","1") = "9"
    & skf18("6","10","1","6","2","10","1") = "9"
    & skf18("6","10","1","6","3","1","1") = "9"
    & skf18("6","10","1","6","3","2","1") = "9"
    & skf18("6","10","1","6","3","3","1") = "9"
    & skf18("6","10","1","6","3","4","1") = "9"
    & skf18("6","10","1","6","3","5","1") = "9"
    & skf18("6","10","1","6","3","6","1") = "9"
    & skf18("6","10","1","6","3","7","1") = "9"
    & skf18("6","10","1","6","3","8","1") = "9"
    & skf18("6","10","1","6","3","9","1") = "9"
    & skf18("6","10","1","6","3","10","1") = "9"
    & skf18("6","10","1","6","4","1","1") = "9"
    & skf18("6","10","1","6","4","2","1") = "9"
    & skf18("6","10","1","6","4","3","1") = "9"
    & skf18("6","10","1","6","4","4","1") = "9"
    & skf18("6","10","1","6","4","5","1") = "9"
    & skf18("6","10","1","6","4","6","1") = "9"
    & skf18("6","10","1","6","4","7","1") = "9"
    & skf18("6","10","1","6","4","8","1") = "9"
    & skf18("6","10","1","6","4","9","1") = "9"
    & skf18("6","10","1","6","4","10","1") = "9"
    & skf18("6","10","1","6","5","1","1") = "9"
    & skf18("6","10","1","6","5","2","1") = "9"
    & skf18("6","10","1","6","5","3","1") = "9"
    & skf18("6","10","1","6","5","4","1") = "9"
    & skf18("6","10","1","6","5","5","1") = "9"
    & skf18("6","10","1","6","5","6","1") = "9"
    & skf18("6","10","1","6","5","7","1") = "9"
    & skf18("6","10","1","6","5","8","1") = "9"
    & skf18("6","10","1","6","5","9","1") = "9"
    & skf18("6","10","1","6","5","10","1") = "9"
    & skf18("6","10","1","6","6","1","1") = "9"
    & skf18("6","10","1","6","6","2","1") = "9"
    & skf18("6","10","1","6","6","3","1") = "9"
    & skf18("6","10","1","6","6","4","1") = "9"
    & skf18("6","10","1","6","6","5","1") = "9"
    & skf18("6","10","1","6","6","6","1") = "9"
    & skf18("6","10","1","6","6","7","1") = "9"
    & skf18("6","10","1","6","6","8","1") = "9"
    & skf18("6","10","1","6","6","9","1") = "9"
    & skf18("6","10","1","6","6","10","1") = "9"
    & skf18("6","10","1","6","7","1","1") = "9"
    & skf18("6","10","1","6","7","2","1") = "9"
    & skf18("6","10","1","6","7","3","1") = "9"
    & skf18("6","10","1","6","7","4","1") = "9"
    & skf18("6","10","1","6","7","5","1") = "9"
    & skf18("6","10","1","6","7","6","1") = "9"
    & skf18("6","10","1","6","7","7","1") = "9"
    & skf18("6","10","1","6","7","8","1") = "9"
    & skf18("6","10","1","6","7","9","1") = "9"
    & skf18("6","10","1","6","7","10","1") = "9"
    & skf18("6","10","1","6","8","1","1") = "9"
    & skf18("6","10","1","6","8","2","1") = "9"
    & skf18("6","10","1","6","8","3","1") = "9"
    & skf18("6","10","1","6","8","4","1") = "9"
    & skf18("6","10","1","6","8","5","1") = "9"
    & skf18("6","10","1","6","8","6","1") = "9"
    & skf18("6","10","1","6","8","7","1") = "9"
    & skf18("6","10","1","6","8","8","1") = "9"
    & skf18("6","10","1","6","8","9","1") = "9"
    & skf18("6","10","1","6","8","10","1") = "9"
    & skf18("6","10","1","6","9","1","1") = "9"
    & skf18("6","10","1","6","9","2","1") = "9"
    & skf18("6","10","1","6","9","3","1") = "9"
    & skf18("6","10","1","6","9","4","1") = "9"
    & skf18("6","10","1","6","9","5","1") = "9"
    & skf18("6","10","1","6","9","6","1") = "9"
    & skf18("6","10","1","6","9","7","1") = "9"
    & skf18("6","10","1","6","9","8","1") = "9"
    & skf18("6","10","1","6","9","9","1") = "9"
    & skf18("6","10","1","6","9","10","1") = "9"
    & skf18("6","10","1","6","10","1","1") = "9"
    & skf18("6","10","1","6","10","2","1") = "9"
    & skf18("6","10","1","6","10","3","1") = "9"
    & skf18("6","10","1","6","10","4","1") = "9"
    & skf18("6","10","1","6","10","5","1") = "9"
    & skf18("6","10","1","6","10","6","1") = "9"
    & skf18("6","10","1","6","10","7","1") = "9"
    & skf18("6","10","1","6","10","8","1") = "9"
    & skf18("6","10","1","6","10","9","1") = "9"
    & skf18("6","10","1","6","10","10","1") = "9"
    & skf18("6","10","1","7","1","1","1") = "9"
    & skf18("6","10","1","7","1","2","1") = "9"
    & skf18("6","10","1","7","1","3","1") = "9"
    & skf18("6","10","1","7","1","4","1") = "9"
    & skf18("6","10","1","7","1","5","1") = "9"
    & skf18("6","10","1","7","1","6","1") = "9"
    & skf18("6","10","1","7","1","7","1") = "9"
    & skf18("6","10","1","7","1","8","1") = "9"
    & skf18("6","10","1","7","1","9","1") = "9"
    & skf18("6","10","1","7","1","10","1") = "9"
    & skf18("6","10","1","7","2","1","1") = "9"
    & skf18("6","10","1","7","2","2","1") = "9"
    & skf18("6","10","1","7","2","3","1") = "9"
    & skf18("6","10","1","7","2","4","1") = "9"
    & skf18("6","10","1","7","2","5","1") = "9"
    & skf18("6","10","1","7","2","6","1") = "9"
    & skf18("6","10","1","7","2","7","1") = "9"
    & skf18("6","10","1","7","2","8","1") = "9"
    & skf18("6","10","1","7","2","9","1") = "9"
    & skf18("6","10","1","7","2","10","1") = "9"
    & skf18("6","10","1","7","3","1","1") = "9"
    & skf18("6","10","1","7","3","2","1") = "9"
    & skf18("6","10","1","7","3","3","1") = "9"
    & skf18("6","10","1","7","3","4","1") = "9"
    & skf18("6","10","1","7","3","5","1") = "9"
    & skf18("6","10","1","7","3","6","1") = "9"
    & skf18("6","10","1","7","3","7","1") = "9"
    & skf18("6","10","1","7","3","8","1") = "9"
    & skf18("6","10","1","7","3","9","1") = "9"
    & skf18("6","10","1","7","3","10","1") = "9"
    & skf18("6","10","1","7","4","1","1") = "9"
    & skf18("6","10","1","7","4","2","1") = "9"
    & skf18("6","10","1","7","4","3","1") = "9"
    & skf18("6","10","1","7","4","4","1") = "9"
    & skf18("6","10","1","7","4","5","1") = "9"
    & skf18("6","10","1","7","4","6","1") = "9"
    & skf18("6","10","1","7","4","7","1") = "9"
    & skf18("6","10","1","7","4","8","1") = "9"
    & skf18("6","10","1","7","4","9","1") = "9"
    & skf18("6","10","1","7","4","10","1") = "9"
    & skf18("6","10","1","7","5","1","1") = "9"
    & skf18("6","10","1","7","5","2","1") = "9"
    & skf18("6","10","1","7","5","3","1") = "9"
    & skf18("6","10","1","7","5","4","1") = "9"
    & skf18("6","10","1","7","5","5","1") = "9"
    & skf18("6","10","1","7","5","6","1") = "9"
    & skf18("6","10","1","7","5","7","1") = "9"
    & skf18("6","10","1","7","5","8","1") = "9"
    & skf18("6","10","1","7","5","9","1") = "9"
    & skf18("6","10","1","7","5","10","1") = "9"
    & skf18("6","10","1","7","6","1","1") = "9"
    & skf18("6","10","1","7","6","2","1") = "9"
    & skf18("6","10","1","7","6","3","1") = "9"
    & skf18("6","10","1","7","6","4","1") = "9"
    & skf18("6","10","1","7","6","5","1") = "9"
    & skf18("6","10","1","7","6","6","1") = "9"
    & skf18("6","10","1","7","6","7","1") = "9"
    & skf18("6","10","1","7","6","8","1") = "9"
    & skf18("6","10","1","7","6","9","1") = "9"
    & skf18("6","10","1","7","6","10","1") = "9"
    & skf18("6","10","1","7","7","1","1") = "9"
    & skf18("6","10","1","7","7","2","1") = "9"
    & skf18("6","10","1","7","7","3","1") = "9"
    & skf18("6","10","1","7","7","4","1") = "9"
    & skf18("6","10","1","7","7","5","1") = "9"
    & skf18("6","10","1","7","7","6","1") = "9"
    & skf18("6","10","1","7","7","7","1") = "9"
    & skf18("6","10","1","7","7","8","1") = "9"
    & skf18("6","10","1","7","7","9","1") = "9"
    & skf18("6","10","1","7","7","10","1") = "9"
    & skf18("6","10","1","7","8","1","1") = "9"
    & skf18("6","10","1","7","8","2","1") = "9"
    & skf18("6","10","1","7","8","3","1") = "9"
    & skf18("6","10","1","7","8","4","1") = "9"
    & skf18("6","10","1","7","8","5","1") = "9"
    & skf18("6","10","1","7","8","6","1") = "9"
    & skf18("6","10","1","7","8","7","1") = "9"
    & skf18("6","10","1","7","8","8","1") = "9"
    & skf18("6","10","1","7","8","9","1") = "9"
    & skf18("6","10","1","7","8","10","1") = "9"
    & skf18("6","10","1","7","9","1","1") = "9"
    & skf18("6","10","1","7","9","2","1") = "9"
    & skf18("6","10","1","7","9","3","1") = "9"
    & skf18("6","10","1","7","9","4","1") = "9"
    & skf18("6","10","1","7","9","5","1") = "9"
    & skf18("6","10","1","7","9","6","1") = "9"
    & skf18("6","10","1","7","9","7","1") = "9"
    & skf18("6","10","1","7","9","8","1") = "9"
    & skf18("6","10","1","7","9","9","1") = "9"
    & skf18("6","10","1","7","9","10","1") = "9"
    & skf18("6","10","1","7","10","1","1") = "9"
    & skf18("6","10","1","7","10","2","1") = "9"
    & skf18("6","10","1","7","10","3","1") = "9"
    & skf18("6","10","1","7","10","4","1") = "9"
    & skf18("6","10","1","7","10","5","1") = "9"
    & skf18("6","10","1","7","10","6","1") = "9"
    & skf18("6","10","1","7","10","7","1") = "9"
    & skf18("6","10","1","7","10","8","1") = "9"
    & skf18("6","10","1","7","10","9","1") = "9"
    & skf18("6","10","1","7","10","10","1") = "9"
    & skf18("6","10","1","8","1","1","1") = "9"
    & skf18("6","10","1","8","1","2","1") = "9"
    & skf18("6","10","1","8","1","3","1") = "9"
    & skf18("6","10","1","8","1","4","1") = "9"
    & skf18("6","10","1","8","1","5","1") = "9"
    & skf18("6","10","1","8","1","6","1") = "9"
    & skf18("6","10","1","8","1","7","1") = "9"
    & skf18("6","10","1","8","1","8","1") = "9"
    & skf18("6","10","1","8","1","9","1") = "9"
    & skf18("6","10","1","8","1","10","1") = "9"
    & skf18("6","10","1","8","2","1","1") = "9"
    & skf18("6","10","1","8","2","2","1") = "9"
    & skf18("6","10","1","8","2","3","1") = "9"
    & skf18("6","10","1","8","2","4","1") = "9"
    & skf18("6","10","1","8","2","5","1") = "9"
    & skf18("6","10","1","8","2","6","1") = "9"
    & skf18("6","10","1","8","2","7","1") = "9"
    & skf18("6","10","1","8","2","8","1") = "9"
    & skf18("6","10","1","8","2","9","1") = "9"
    & skf18("6","10","1","8","2","10","1") = "9"
    & skf18("6","10","1","8","3","1","1") = "9"
    & skf18("6","10","1","8","3","2","1") = "9"
    & skf18("6","10","1","8","3","3","1") = "9"
    & skf18("6","10","1","8","3","4","1") = "9"
    & skf18("6","10","1","8","3","5","1") = "9"
    & skf18("6","10","1","8","3","6","1") = "9"
    & skf18("6","10","1","8","3","7","1") = "9"
    & skf18("6","10","1","8","3","8","1") = "9"
    & skf18("6","10","1","8","3","9","1") = "9"
    & skf18("6","10","1","8","3","10","1") = "9"
    & skf18("6","10","1","8","4","1","1") = "9"
    & skf18("6","10","1","8","4","2","1") = "9"
    & skf18("6","10","1","8","4","3","1") = "9"
    & skf18("6","10","1","8","4","4","1") = "9"
    & skf18("6","10","1","8","4","5","1") = "9"
    & skf18("6","10","1","8","4","6","1") = "9"
    & skf18("6","10","1","8","4","7","1") = "9"
    & skf18("6","10","1","8","4","8","1") = "9"
    & skf18("6","10","1","8","4","9","1") = "9"
    & skf18("6","10","1","8","4","10","1") = "9"
    & skf18("6","10","1","8","5","1","1") = "9"
    & skf18("6","10","1","8","5","2","1") = "9"
    & skf18("6","10","1","8","5","3","1") = "9"
    & skf18("6","10","1","8","5","4","1") = "9"
    & skf18("6","10","1","8","5","5","1") = "9"
    & skf18("6","10","1","8","5","6","1") = "9"
    & skf18("6","10","1","8","5","7","1") = "9"
    & skf18("6","10","1","8","5","8","1") = "9"
    & skf18("6","10","1","8","5","9","1") = "9"
    & skf18("6","10","1","8","5","10","1") = "9"
    & skf18("6","10","1","8","6","1","1") = "9"
    & skf18("6","10","1","8","6","2","1") = "9"
    & skf18("6","10","1","8","6","3","1") = "9"
    & skf18("6","10","1","8","6","4","1") = "9"
    & skf18("6","10","1","8","6","5","1") = "9"
    & skf18("6","10","1","8","6","6","1") = "9"
    & skf18("6","10","1","8","6","7","1") = "9"
    & skf18("6","10","1","8","6","8","1") = "9"
    & skf18("6","10","1","8","6","9","1") = "9"
    & skf18("6","10","1","8","6","10","1") = "9"
    & skf18("6","10","1","8","7","1","1") = "9"
    & skf18("6","10","1","8","7","2","1") = "9"
    & skf18("6","10","1","8","7","3","1") = "9"
    & skf18("6","10","1","8","7","4","1") = "9"
    & skf18("6","10","1","8","7","5","1") = "9"
    & skf18("6","10","1","8","7","6","1") = "9"
    & skf18("6","10","1","8","7","7","1") = "9"
    & skf18("6","10","1","8","7","8","1") = "9"
    & skf18("6","10","1","8","7","9","1") = "9"
    & skf18("6","10","1","8","7","10","1") = "9"
    & skf18("6","10","1","8","8","1","1") = "9"
    & skf18("6","10","1","8","8","2","1") = "9"
    & skf18("6","10","1","8","8","3","1") = "9"
    & skf18("6","10","1","8","8","4","1") = "9"
    & skf18("6","10","1","8","8","5","1") = "9"
    & skf18("6","10","1","8","8","6","1") = "9"
    & skf18("6","10","1","8","8","7","1") = "9"
    & skf18("6","10","1","8","8","8","1") = "9"
    & skf18("6","10","1","8","8","9","1") = "9"
    & skf18("6","10","1","8","8","10","1") = "9"
    & skf18("6","10","1","8","9","1","1") = "9"
    & skf18("6","10","1","8","9","2","1") = "9"
    & skf18("6","10","1","8","9","3","1") = "9"
    & skf18("6","10","1","8","9","4","1") = "9"
    & skf18("6","10","1","8","9","5","1") = "9"
    & skf18("6","10","1","8","9","6","1") = "9"
    & skf18("6","10","1","8","9","7","1") = "9"
    & skf18("6","10","1","8","9","8","1") = "9"
    & skf18("6","10","1","8","9","9","1") = "9"
    & skf18("6","10","1","8","9","10","1") = "9"
    & skf18("6","10","1","8","10","1","1") = "9"
    & skf18("6","10","1","8","10","2","1") = "9"
    & skf18("6","10","1","8","10","3","1") = "9"
    & skf18("6","10","1","8","10","4","1") = "9"
    & skf18("6","10","1","8","10","5","1") = "9"
    & skf18("6","10","1","8","10","6","1") = "9"
    & skf18("6","10","1","8","10","7","1") = "9"
    & skf18("6","10","1","8","10","8","1") = "9"
    & skf18("6","10","1","8","10","9","1") = "9"
    & skf18("6","10","1","8","10","10","1") = "9"
    & skf18("6","10","1","9","1","1","1") = "9"
    & skf18("6","10","1","9","1","2","1") = "9"
    & skf18("6","10","1","9","1","3","1") = "9"
    & skf18("6","10","1","9","1","4","1") = "9"
    & skf18("6","10","1","9","1","5","1") = "9"
    & skf18("6","10","1","9","1","6","1") = "9"
    & skf18("6","10","1","9","1","7","1") = "9"
    & skf18("6","10","1","9","1","8","1") = "9"
    & skf18("6","10","1","9","1","9","1") = "9"
    & skf18("6","10","1","9","1","10","1") = "9"
    & skf18("6","10","1","9","2","1","1") = "9"
    & skf18("6","10","1","9","2","2","1") = "9"
    & skf18("6","10","1","9","2","3","1") = "9"
    & skf18("6","10","1","9","2","4","1") = "9"
    & skf18("6","10","1","9","2","5","1") = "9"
    & skf18("6","10","1","9","2","6","1") = "9"
    & skf18("6","10","1","9","2","7","1") = "9"
    & skf18("6","10","1","9","2","8","1") = "9"
    & skf18("6","10","1","9","2","9","1") = "9"
    & skf18("6","10","1","9","2","10","1") = "9"
    & skf18("6","10","1","9","3","1","1") = "9"
    & skf18("6","10","1","9","3","2","1") = "9"
    & skf18("6","10","1","9","3","3","1") = "9"
    & skf18("6","10","1","9","3","4","1") = "9"
    & skf18("6","10","1","9","3","5","1") = "9"
    & skf18("6","10","1","9","3","6","1") = "9"
    & skf18("6","10","1","9","3","7","1") = "9"
    & skf18("6","10","1","9","3","8","1") = "9"
    & skf18("6","10","1","9","3","9","1") = "9"
    & skf18("6","10","1","9","3","10","1") = "9"
    & skf18("6","10","1","9","4","1","1") = "9"
    & skf18("6","10","1","9","4","2","1") = "9"
    & skf18("6","10","1","9","4","3","1") = "9"
    & skf18("6","10","1","9","4","4","1") = "9"
    & skf18("6","10","1","9","4","5","1") = "9"
    & skf18("6","10","1","9","4","6","1") = "9"
    & skf18("6","10","1","9","4","7","1") = "9"
    & skf18("6","10","1","9","4","8","1") = "9"
    & skf18("6","10","1","9","4","9","1") = "9"
    & skf18("6","10","1","9","4","10","1") = "9"
    & skf18("6","10","1","9","5","1","1") = "9"
    & skf18("6","10","1","9","5","2","1") = "9"
    & skf18("6","10","1","9","5","3","1") = "9"
    & skf18("6","10","1","9","5","4","1") = "9"
    & skf18("6","10","1","9","5","5","1") = "9"
    & skf18("6","10","1","9","5","6","1") = "9"
    & skf18("6","10","1","9","5","7","1") = "9"
    & skf18("6","10","1","9","5","8","1") = "9"
    & skf18("6","10","1","9","5","9","1") = "9"
    & skf18("6","10","1","9","5","10","1") = "9"
    & skf18("6","10","1","9","6","1","1") = "9"
    & skf18("6","10","1","9","6","2","1") = "9"
    & skf18("6","10","1","9","6","3","1") = "9"
    & skf18("6","10","1","9","6","4","1") = "9"
    & skf18("6","10","1","9","6","5","1") = "9"
    & skf18("6","10","1","9","6","6","1") = "9"
    & skf18("6","10","1","9","6","7","1") = "9"
    & skf18("6","10","1","9","6","8","1") = "9"
    & skf18("6","10","1","9","6","9","1") = "9"
    & skf18("6","10","1","9","6","10","1") = "9"
    & skf18("6","10","1","9","7","1","1") = "9"
    & skf18("6","10","1","9","7","2","1") = "9"
    & skf18("6","10","1","9","7","3","1") = "9"
    & skf18("6","10","1","9","7","4","1") = "9"
    & skf18("6","10","1","9","7","5","1") = "9"
    & skf18("6","10","1","9","7","6","1") = "9"
    & skf18("6","10","1","9","7","7","1") = "9"
    & skf18("6","10","1","9","7","8","1") = "9"
    & skf18("6","10","1","9","7","9","1") = "9"
    & skf18("6","10","1","9","7","10","1") = "9"
    & skf18("6","10","1","9","8","1","1") = "9"
    & skf18("6","10","1","9","8","2","1") = "9"
    & skf18("6","10","1","9","8","3","1") = "9"
    & skf18("6","10","1","9","8","4","1") = "9"
    & skf18("6","10","1","9","8","5","1") = "9"
    & skf18("6","10","1","9","8","6","1") = "9"
    & skf18("6","10","1","9","8","7","1") = "9"
    & skf18("6","10","1","9","8","8","1") = "9"
    & skf18("6","10","1","9","8","9","1") = "9"
    & skf18("6","10","1","9","8","10","1") = "9"
    & skf18("6","10","1","9","9","1","1") = "9"
    & skf18("6","10","1","9","9","2","1") = "9"
    & skf18("6","10","1","9","9","3","1") = "9"
    & skf18("6","10","1","9","9","4","1") = "9"
    & skf18("6","10","1","9","9","5","1") = "9"
    & skf18("6","10","1","9","9","6","1") = "9"
    & skf18("6","10","1","9","9","7","1") = "9"
    & skf18("6","10","1","9","9","8","1") = "9"
    & skf18("6","10","1","9","9","9","1") = "9"
    & skf18("6","10","1","9","9","10","1") = "9"
    & skf18("6","10","1","9","10","1","1") = "9"
    & skf18("6","10","1","9","10","2","1") = "9"
    & skf18("6","10","1","9","10","3","1") = "9"
    & skf18("6","10","1","9","10","4","1") = "9"
    & skf18("6","10","1","9","10","5","1") = "9"
    & skf18("6","10","1","9","10","6","1") = "9"
    & skf18("6","10","1","9","10","7","1") = "9"
    & skf18("6","10","1","9","10","8","1") = "9"
    & skf18("6","10","1","9","10","9","1") = "9"
    & skf18("6","10","1","9","10","10","1") = "9"
    & skf18("6","10","1","10","1","1","1") = "9"
    & skf18("6","10","1","10","1","2","1") = "9"
    & skf18("6","10","1","10","1","3","1") = "9"
    & skf18("6","10","1","10","1","4","1") = "9"
    & skf18("6","10","1","10","1","5","1") = "9"
    & skf18("6","10","1","10","1","6","1") = "9"
    & skf18("6","10","1","10","1","7","1") = "9"
    & skf18("6","10","1","10","1","8","1") = "9"
    & skf18("6","10","1","10","1","9","1") = "9"
    & skf18("6","10","1","10","1","10","1") = "9"
    & skf18("6","10","1","10","2","1","1") = "9"
    & skf18("6","10","1","10","2","2","1") = "9"
    & skf18("6","10","1","10","2","3","1") = "9"
    & skf18("6","10","1","10","2","4","1") = "9"
    & skf18("6","10","1","10","2","5","1") = "9"
    & skf18("6","10","1","10","2","6","1") = "9"
    & skf18("6","10","1","10","2","7","1") = "9"
    & skf18("6","10","1","10","2","8","1") = "9"
    & skf18("6","10","1","10","2","9","1") = "9"
    & skf18("6","10","1","10","2","10","1") = "9"
    & skf18("6","10","1","10","3","1","1") = "9"
    & skf18("6","10","1","10","3","2","1") = "9"
    & skf18("6","10","1","10","3","3","1") = "9"
    & skf18("6","10","1","10","3","4","1") = "9"
    & skf18("6","10","1","10","3","5","1") = "9"
    & skf18("6","10","1","10","3","6","1") = "9"
    & skf18("6","10","1","10","3","7","1") = "9"
    & skf18("6","10","1","10","3","8","1") = "9"
    & skf18("6","10","1","10","3","9","1") = "9"
    & skf18("6","10","1","10","3","10","1") = "9"
    & skf18("6","10","1","10","4","1","1") = "9"
    & skf18("6","10","1","10","4","2","1") = "9"
    & skf18("6","10","1","10","4","3","1") = "9"
    & skf18("6","10","1","10","4","4","1") = "9"
    & skf18("6","10","1","10","4","5","1") = "9"
    & skf18("6","10","1","10","4","6","1") = "9"
    & skf18("6","10","1","10","4","7","1") = "9"
    & skf18("6","10","1","10","4","8","1") = "9"
    & skf18("6","10","1","10","4","9","1") = "9"
    & skf18("6","10","1","10","4","10","1") = "9"
    & skf18("6","10","1","10","5","1","1") = "9"
    & skf18("6","10","1","10","5","2","1") = "9"
    & skf18("6","10","1","10","5","3","1") = "9"
    & skf18("6","10","1","10","5","4","1") = "9"
    & skf18("6","10","1","10","5","5","1") = "9"
    & skf18("6","10","1","10","5","6","1") = "9"
    & skf18("6","10","1","10","5","7","1") = "9"
    & skf18("6","10","1","10","5","8","1") = "9"
    & skf18("6","10","1","10","5","9","1") = "9"
    & skf18("6","10","1","10","5","10","1") = "9"
    & skf18("6","10","1","10","6","1","1") = "9"
    & skf18("6","10","1","10","6","2","1") = "9"
    & skf18("6","10","1","10","6","3","1") = "9"
    & skf18("6","10","1","10","6","4","1") = "9"
    & skf18("6","10","1","10","6","5","1") = "9"
    & skf18("6","10","1","10","6","6","1") = "9"
    & skf18("6","10","1","10","6","7","1") = "9"
    & skf18("6","10","1","10","6","8","1") = "9"
    & skf18("6","10","1","10","6","9","1") = "9"
    & skf18("6","10","1","10","6","10","1") = "9"
    & skf18("6","10","1","10","7","1","1") = "9"
    & skf18("6","10","1","10","7","2","1") = "9"
    & skf18("6","10","1","10","7","3","1") = "9"
    & skf18("6","10","1","10","7","4","1") = "9"
    & skf18("6","10","1","10","7","5","1") = "9"
    & skf18("6","10","1","10","7","6","1") = "9"
    & skf18("6","10","1","10","7","7","1") = "9"
    & skf18("6","10","1","10","7","8","1") = "9"
    & skf18("6","10","1","10","7","9","1") = "9"
    & skf18("6","10","1","10","7","10","1") = "9"
    & skf18("6","10","1","10","8","1","1") = "9"
    & skf18("6","10","1","10","8","2","1") = "9"
    & skf18("6","10","1","10","8","3","1") = "9"
    & skf18("6","10","1","10","8","4","1") = "9"
    & skf18("6","10","1","10","8","5","1") = "9"
    & skf18("6","10","1","10","8","6","1") = "9"
    & skf18("6","10","1","10","8","7","1") = "9"
    & skf18("6","10","1","10","8","8","1") = "9"
    & skf18("6","10","1","10","8","9","1") = "9"
    & skf18("6","10","1","10","8","10","1") = "9"
    & skf18("6","10","1","10","9","1","1") = "9"
    & skf18("6","10","1","10","9","2","1") = "9"
    & skf18("6","10","1","10","9","3","1") = "9"
    & skf18("6","10","1","10","9","4","1") = "9"
    & skf18("6","10","1","10","9","5","1") = "9"
    & skf18("6","10","1","10","9","6","1") = "9"
    & skf18("6","10","1","10","9","7","1") = "9"
    & skf18("6","10","1","10","9","8","1") = "9"
    & skf18("6","10","1","10","9","9","1") = "9"
    & skf18("6","10","1","10","9","10","1") = "9"
    & skf18("6","10","1","10","10","1","1") = "9"
    & skf18("6","10","1","10","10","2","1") = "9"
    & skf18("6","10","1","10","10","3","1") = "9"
    & skf18("6","10","1","10","10","4","1") = "9"
    & skf18("6","10","1","10","10","5","1") = "9"
    & skf18("6","10","1","10","10","6","1") = "9"
    & skf18("6","10","1","10","10","7","1") = "9"
    & skf18("6","10","1","10","10","8","1") = "9"
    & skf18("6","10","1","10","10","9","1") = "9"
    & skf18("6","10","1","10","10","10","1") = "9"
    & skf18("6","10","2","1","1","1","1") = "9"
    & skf18("6","10","2","1","1","2","1") = "9"
    & skf18("6","10","2","1","1","3","1") = "9"
    & skf18("6","10","2","1","1","4","1") = "9"
    & skf18("6","10","2","1","1","5","1") = "9"
    & skf18("6","10","2","1","1","6","1") = "9"
    & skf18("6","10","2","1","1","7","1") = "9"
    & skf18("6","10","2","1","1","8","1") = "9"
    & skf18("6","10","2","1","1","9","1") = "9"
    & skf18("6","10","2","1","1","10","1") = "9"
    & skf18("6","10","2","1","2","1","1") = "9"
    & skf18("6","10","2","1","2","2","1") = "9"
    & skf18("6","10","2","1","2","3","1") = "9"
    & skf18("6","10","2","1","2","4","1") = "9"
    & skf18("6","10","2","1","2","5","1") = "9"
    & skf18("6","10","2","1","2","6","1") = "9"
    & skf18("6","10","2","1","2","7","1") = "9"
    & skf18("6","10","2","1","2","8","1") = "9"
    & skf18("6","10","2","1","2","9","1") = "9"
    & skf18("6","10","2","1","2","10","1") = "9"
    & skf18("6","10","2","1","3","1","1") = "9"
    & skf18("6","10","2","1","3","2","1") = "9"
    & skf18("6","10","2","1","3","3","1") = "9"
    & skf18("6","10","2","1","3","4","1") = "9"
    & skf18("6","10","2","1","3","5","1") = "9"
    & skf18("6","10","2","1","3","6","1") = "9"
    & skf18("6","10","2","1","3","7","1") = "9"
    & skf18("6","10","2","1","3","8","1") = "9"
    & skf18("6","10","2","1","3","9","1") = "9"
    & skf18("6","10","2","1","3","10","1") = "9"
    & skf18("6","10","2","1","4","1","1") = "9"
    & skf18("6","10","2","1","4","2","1") = "9"
    & skf18("6","10","2","1","4","3","1") = "9"
    & skf18("6","10","2","1","4","4","1") = "9"
    & skf18("6","10","2","1","4","5","1") = "9"
    & skf18("6","10","2","1","4","6","1") = "9"
    & skf18("6","10","2","1","4","7","1") = "9"
    & skf18("6","10","2","1","4","8","1") = "9"
    & skf18("6","10","2","1","4","9","1") = "9"
    & skf18("6","10","2","1","4","10","1") = "9"
    & skf18("6","10","2","1","5","1","1") = "9"
    & skf18("6","10","2","1","5","2","1") = "9"
    & skf18("6","10","2","1","5","3","1") = "9"
    & skf18("6","10","2","1","5","4","1") = "9"
    & skf18("6","10","2","1","5","5","1") = "9"
    & skf18("6","10","2","1","5","6","1") = "9"
    & skf18("6","10","2","1","5","7","1") = "9"
    & skf18("6","10","2","1","5","8","1") = "9"
    & skf18("6","10","2","1","5","9","1") = "9"
    & skf18("6","10","2","1","5","10","1") = "9"
    & skf18("6","10","2","1","6","1","1") = "9"
    & skf18("6","10","2","1","6","2","1") = "9"
    & skf18("6","10","2","1","6","3","1") = "9"
    & skf18("6","10","2","1","6","4","1") = "9"
    & skf18("6","10","2","1","6","5","1") = "9"
    & skf18("6","10","2","1","6","6","1") = "9"
    & skf18("6","10","2","1","6","7","1") = "9"
    & skf18("6","10","2","1","6","8","1") = "9"
    & skf18("6","10","2","1","6","9","1") = "9"
    & skf18("6","10","2","1","6","10","1") = "9"
    & skf18("6","10","2","1","7","1","1") = "9"
    & skf18("6","10","2","1","7","2","1") = "9"
    & skf18("6","10","2","1","7","3","1") = "9"
    & skf18("6","10","2","1","7","4","1") = "9"
    & skf18("6","10","2","1","7","5","1") = "9"
    & skf18("6","10","2","1","7","6","1") = "9"
    & skf18("6","10","2","1","7","7","1") = "9"
    & skf18("6","10","2","1","7","8","1") = "9"
    & skf18("6","10","2","1","7","9","1") = "9"
    & skf18("6","10","2","1","7","10","1") = "9"
    & skf18("6","10","2","1","8","1","1") = "9"
    & skf18("6","10","2","1","8","2","1") = "9"
    & skf18("6","10","2","1","8","3","1") = "9"
    & skf18("6","10","2","1","8","4","1") = "9"
    & skf18("6","10","2","1","8","5","1") = "9"
    & skf18("6","10","2","1","8","6","1") = "9"
    & skf18("6","10","2","1","8","7","1") = "9"
    & skf18("6","10","2","1","8","8","1") = "9"
    & skf18("6","10","2","1","8","9","1") = "9"
    & skf18("6","10","2","1","8","10","1") = "9"
    & skf18("6","10","2","1","9","1","1") = "9"
    & skf18("6","10","2","1","9","2","1") = "9"
    & skf18("6","10","2","1","9","3","1") = "9"
    & skf18("6","10","2","1","9","4","1") = "9"
    & skf18("6","10","2","1","9","5","1") = "9"
    & skf18("6","10","2","1","9","6","1") = "9"
    & skf18("6","10","2","1","9","7","1") = "9"
    & skf18("6","10","2","1","9","8","1") = "9"
    & skf18("6","10","2","1","9","9","1") = "9"
    & skf18("6","10","2","1","9","10","1") = "9"
    & skf18("6","10","2","1","10","1","1") = "9"
    & skf18("6","10","2","1","10","2","1") = "9"
    & skf18("6","10","2","1","10","3","1") = "9"
    & skf18("6","10","2","1","10","4","1") = "9"
    & skf18("6","10","2","1","10","5","1") = "9"
    & skf18("6","10","2","1","10","6","1") = "9"
    & skf18("6","10","2","1","10","7","1") = "9"
    & skf18("6","10","2","1","10","8","1") = "9"
    & skf18("6","10","2","1","10","9","1") = "9"
    & skf18("6","10","2","1","10","10","1") = "9"
    & skf18("6","10","2","2","1","1","1") = "9"
    & skf18("6","10","2","2","1","2","1") = "9"
    & skf18("6","10","2","2","1","3","1") = "9"
    & skf18("6","10","2","2","1","4","1") = "9"
    & skf18("6","10","2","2","1","5","1") = "9"
    & skf18("6","10","2","2","1","6","1") = "9"
    & skf18("6","10","2","2","1","7","1") = "9"
    & skf18("6","10","2","2","1","8","1") = "9"
    & skf18("6","10","2","2","1","9","1") = "9"
    & skf18("6","10","2","2","1","10","1") = "9"
    & skf18("6","10","2","2","2","1","1") = "9"
    & skf18("6","10","2","2","2","2","1") = "9"
    & skf18("6","10","2","2","2","3","1") = "9"
    & skf18("6","10","2","2","2","4","1") = "9"
    & skf18("6","10","2","2","2","5","1") = "9"
    & skf18("6","10","2","2","2","6","1") = "9"
    & skf18("6","10","2","2","2","7","1") = "9"
    & skf18("6","10","2","2","2","8","1") = "9"
    & skf18("6","10","2","2","2","9","1") = "9"
    & skf18("6","10","2","2","2","10","1") = "9"
    & skf18("6","10","2","2","3","1","1") = "9"
    & skf18("6","10","2","2","3","2","1") = "9"
    & skf18("6","10","2","2","3","3","1") = "9"
    & skf18("6","10","2","2","3","4","1") = "9"
    & skf18("6","10","2","2","3","5","1") = "9"
    & skf18("6","10","2","2","3","6","1") = "9"
    & skf18("6","10","2","2","3","7","1") = "9"
    & skf18("6","10","2","2","3","8","1") = "9"
    & skf18("6","10","2","2","3","9","1") = "9"
    & skf18("6","10","2","2","3","10","1") = "9"
    & skf18("6","10","2","2","4","1","1") = "9"
    & skf18("6","10","2","2","4","2","1") = "9"
    & skf18("6","10","2","2","4","3","1") = "9"
    & skf18("6","10","2","2","4","4","1") = "9"
    & skf18("6","10","2","2","4","5","1") = "9"
    & skf18("6","10","2","2","4","6","1") = "9"
    & skf18("6","10","2","2","4","7","1") = "9"
    & skf18("6","10","2","2","4","8","1") = "9"
    & skf18("6","10","2","2","4","9","1") = "9"
    & skf18("6","10","2","2","4","10","1") = "9"
    & skf18("6","10","2","2","5","1","1") = "9"
    & skf18("6","10","2","2","5","2","1") = "9"
    & skf18("6","10","2","2","5","3","1") = "9"
    & skf18("6","10","2","2","5","4","1") = "9"
    & skf18("6","10","2","2","5","5","1") = "9"
    & skf18("6","10","2","2","5","6","1") = "9"
    & skf18("6","10","2","2","5","7","1") = "9"
    & skf18("6","10","2","2","5","8","1") = "9"
    & skf18("6","10","2","2","5","9","1") = "9"
    & skf18("6","10","2","2","5","10","1") = "9"
    & skf18("6","10","2","2","6","1","1") = "9"
    & skf18("6","10","2","2","6","2","1") = "9"
    & skf18("6","10","2","2","6","3","1") = "9"
    & skf18("6","10","2","2","6","4","1") = "9"
    & skf18("6","10","2","2","6","5","1") = "9"
    & skf18("6","10","2","2","6","6","1") = "9"
    & skf18("6","10","2","2","6","7","1") = "9"
    & skf18("6","10","2","2","6","8","1") = "9"
    & skf18("6","10","2","2","6","9","1") = "9"
    & skf18("6","10","2","2","6","10","1") = "9"
    & skf18("6","10","2","2","7","1","1") = "9"
    & skf18("6","10","2","2","7","2","1") = "9"
    & skf18("6","10","2","2","7","3","1") = "9"
    & skf18("6","10","2","2","7","4","1") = "9"
    & skf18("6","10","2","2","7","5","1") = "9"
    & skf18("6","10","2","2","7","6","1") = "9"
    & skf18("6","10","2","2","7","7","1") = "9"
    & skf18("6","10","2","2","7","8","1") = "9"
    & skf18("6","10","2","2","7","9","1") = "9"
    & skf18("6","10","2","2","7","10","1") = "9"
    & skf18("6","10","2","2","8","1","1") = "9"
    & skf18("6","10","2","2","8","2","1") = "9"
    & skf18("6","10","2","2","8","3","1") = "9"
    & skf18("6","10","2","2","8","4","1") = "9"
    & skf18("6","10","2","2","8","5","1") = "9"
    & skf18("6","10","2","2","8","6","1") = "9"
    & skf18("6","10","2","2","8","7","1") = "9"
    & skf18("6","10","2","2","8","8","1") = "9"
    & skf18("6","10","2","2","8","9","1") = "9"
    & skf18("6","10","2","2","8","10","1") = "9"
    & skf18("6","10","2","2","9","1","1") = "9"
    & skf18("6","10","2","2","9","2","1") = "9"
    & skf18("6","10","2","2","9","3","1") = "9"
    & skf18("6","10","2","2","9","4","1") = "9"
    & skf18("6","10","2","2","9","5","1") = "9"
    & skf18("6","10","2","2","9","6","1") = "9"
    & skf18("6","10","2","2","9","7","1") = "9"
    & skf18("6","10","2","2","9","8","1") = "9"
    & skf18("6","10","2","2","9","9","1") = "9"
    & skf18("6","10","2","2","9","10","1") = "9"
    & skf18("6","10","2","2","10","1","1") = "9"
    & skf18("6","10","2","2","10","2","1") = "9"
    & skf18("6","10","2","2","10","3","1") = "9"
    & skf18("6","10","2","2","10","4","1") = "9"
    & skf18("6","10","2","2","10","5","1") = "9"
    & skf18("6","10","2","2","10","6","1") = "9"
    & skf18("6","10","2","2","10","7","1") = "9"
    & skf18("6","10","2","2","10","8","1") = "9"
    & skf18("6","10","2","2","10","9","1") = "9"
    & skf18("6","10","2","2","10","10","1") = "9"
    & skf18("6","10","2","3","1","1","1") = "9"
    & skf18("6","10","2","3","1","2","1") = "9"
    & skf18("6","10","2","3","1","3","1") = "9"
    & skf18("6","10","2","3","1","4","1") = "9"
    & skf18("6","10","2","3","1","5","1") = "9"
    & skf18("6","10","2","3","1","6","1") = "9"
    & skf18("6","10","2","3","1","7","1") = "9"
    & skf18("6","10","2","3","1","8","1") = "9"
    & skf18("6","10","2","3","1","9","1") = "9"
    & skf18("6","10","2","3","1","10","1") = "9"
    & skf18("6","10","2","3","2","1","1") = "9"
    & skf18("6","10","2","3","2","2","1") = "9"
    & skf18("6","10","2","3","2","3","1") = "9"
    & skf18("6","10","2","3","2","4","1") = "9"
    & skf18("6","10","2","3","2","5","1") = "9"
    & skf18("6","10","2","3","2","6","1") = "9"
    & skf18("6","10","2","3","2","7","1") = "9"
    & skf18("6","10","2","3","2","8","1") = "9"
    & skf18("6","10","2","3","2","9","1") = "9"
    & skf18("6","10","2","3","2","10","1") = "9"
    & skf18("6","10","2","3","3","1","1") = "9"
    & skf18("6","10","2","3","3","2","1") = "9"
    & skf18("6","10","2","3","3","3","1") = "9"
    & skf18("6","10","2","3","3","4","1") = "9"
    & skf18("6","10","2","3","3","5","1") = "9"
    & skf18("6","10","2","3","3","6","1") = "9"
    & skf18("6","10","2","3","3","7","1") = "9"
    & skf18("6","10","2","3","3","8","1") = "9"
    & skf18("6","10","2","3","3","9","1") = "9"
    & skf18("6","10","2","3","3","10","1") = "9"
    & skf18("6","10","2","3","4","1","1") = "9"
    & skf18("6","10","2","3","4","2","1") = "9"
    & skf18("6","10","2","3","4","3","1") = "9"
    & skf18("6","10","2","3","4","4","1") = "9"
    & skf18("6","10","2","3","4","5","1") = "9"
    & skf18("6","10","2","3","4","6","1") = "9"
    & skf18("6","10","2","3","4","7","1") = "9"
    & skf18("6","10","2","3","4","8","1") = "9"
    & skf18("6","10","2","3","4","9","1") = "9"
    & skf18("6","10","2","3","4","10","1") = "9"
    & skf18("6","10","2","3","5","1","1") = "9"
    & skf18("6","10","2","3","5","2","1") = "9"
    & skf18("6","10","2","3","5","3","1") = "9"
    & skf18("6","10","2","3","5","4","1") = "9"
    & skf18("6","10","2","3","5","5","1") = "9"
    & skf18("6","10","2","3","5","6","1") = "9"
    & skf18("6","10","2","3","5","7","1") = "9"
    & skf18("6","10","2","3","5","8","1") = "9"
    & skf18("6","10","2","3","5","9","1") = "9"
    & skf18("6","10","2","3","5","10","1") = "9"
    & skf18("6","10","2","3","6","1","1") = "9"
    & skf18("6","10","2","3","6","2","1") = "9"
    & skf18("6","10","2","3","6","3","1") = "9"
    & skf18("6","10","2","3","6","4","1") = "9"
    & skf18("6","10","2","3","6","5","1") = "9"
    & skf18("6","10","2","3","6","6","1") = "9"
    & skf18("6","10","2","3","6","7","1") = "9"
    & skf18("6","10","2","3","6","8","1") = "9"
    & skf18("6","10","2","3","6","9","1") = "9"
    & skf18("6","10","2","3","6","10","1") = "9"
    & skf18("6","10","2","3","7","1","1") = "9"
    & skf18("6","10","2","3","7","2","1") = "9"
    & skf18("6","10","2","3","7","3","1") = "9"
    & skf18("6","10","2","3","7","4","1") = "9"
    & skf18("6","10","2","3","7","5","1") = "9"
    & skf18("6","10","2","3","7","6","1") = "9"
    & skf18("6","10","2","3","7","7","1") = "9"
    & skf18("6","10","2","3","7","8","1") = "9"
    & skf18("6","10","2","3","7","9","1") = "9"
    & skf18("6","10","2","3","7","10","1") = "9"
    & skf18("6","10","2","3","8","1","1") = "9"
    & skf18("6","10","2","3","8","2","1") = "9"
    & skf18("6","10","2","3","8","3","1") = "9"
    & skf18("6","10","2","3","8","4","1") = "9"
    & skf18("6","10","2","3","8","5","1") = "9"
    & skf18("6","10","2","3","8","6","1") = "9"
    & skf18("6","10","2","3","8","7","1") = "9"
    & skf18("6","10","2","3","8","8","1") = "9"
    & skf18("6","10","2","3","8","9","1") = "9"
    & skf18("6","10","2","3","8","10","1") = "9"
    & skf18("6","10","2","3","9","1","1") = "9"
    & skf18("6","10","2","3","9","2","1") = "9"
    & skf18("6","10","2","3","9","3","1") = "9"
    & skf18("6","10","2","3","9","4","1") = "9"
    & skf18("6","10","2","3","9","5","1") = "9"
    & skf18("6","10","2","3","9","6","1") = "9"
    & skf18("6","10","2","3","9","7","1") = "9"
    & skf18("6","10","2","3","9","8","1") = "9"
    & skf18("6","10","2","3","9","9","1") = "9"
    & skf18("6","10","2","3","9","10","1") = "9"
    & skf18("6","10","2","3","10","1","1") = "9"
    & skf18("6","10","2","3","10","2","1") = "9"
    & skf18("6","10","2","3","10","3","1") = "9"
    & skf18("6","10","2","3","10","4","1") = "9"
    & skf18("6","10","2","3","10","5","1") = "9"
    & skf18("6","10","2","3","10","6","1") = "9"
    & skf18("6","10","2","3","10","7","1") = "9"
    & skf18("6","10","2","3","10","8","1") = "9"
    & skf18("6","10","2","3","10","9","1") = "9"
    & skf18("6","10","2","3","10","10","1") = "9"
    & skf18("6","10","2","4","1","1","1") = "9"
    & skf18("6","10","2","4","1","2","1") = "9"
    & skf18("6","10","2","4","1","3","1") = "9"
    & skf18("6","10","2","4","1","4","1") = "9"
    & skf18("6","10","2","4","1","5","1") = "9"
    & skf18("6","10","2","4","1","6","1") = "9"
    & skf18("6","10","2","4","1","7","1") = "9"
    & skf18("6","10","2","4","1","8","1") = "9"
    & skf18("6","10","2","4","1","9","1") = "9"
    & skf18("6","10","2","4","1","10","1") = "9"
    & skf18("6","10","2","4","2","1","1") = "9"
    & skf18("6","10","2","4","2","2","1") = "9"
    & skf18("6","10","2","4","2","3","1") = "9"
    & skf18("6","10","2","4","2","4","1") = "9"
    & skf18("6","10","2","4","2","5","1") = "9"
    & skf18("6","10","2","4","2","6","1") = "9"
    & skf18("6","10","2","4","2","7","1") = "9"
    & skf18("6","10","2","4","2","8","1") = "9"
    & skf18("6","10","2","4","2","9","1") = "9"
    & skf18("6","10","2","4","2","10","1") = "9"
    & skf18("6","10","2","4","3","1","1") = "9"
    & skf18("6","10","2","4","3","2","1") = "9"
    & skf18("6","10","2","4","3","3","1") = "9"
    & skf18("6","10","2","4","3","4","1") = "9"
    & skf18("6","10","2","4","3","5","1") = "9"
    & skf18("6","10","2","4","3","6","1") = "9"
    & skf18("6","10","2","4","3","7","1") = "9"
    & skf18("6","10","2","4","3","8","1") = "9"
    & skf18("6","10","2","4","3","9","1") = "9"
    & skf18("6","10","2","4","3","10","1") = "9"
    & skf18("6","10","2","4","4","1","1") = "9"
    & skf18("6","10","2","4","4","2","1") = "9"
    & skf18("6","10","2","4","4","3","1") = "9"
    & skf18("6","10","2","4","4","4","1") = "9"
    & skf18("6","10","2","4","4","5","1") = "9"
    & skf18("6","10","2","4","4","6","1") = "9"
    & skf18("6","10","2","4","4","7","1") = "9"
    & skf18("6","10","2","4","4","8","1") = "9"
    & skf18("6","10","2","4","4","9","1") = "9"
    & skf18("6","10","2","4","4","10","1") = "9"
    & skf18("6","10","2","4","5","1","1") = "9"
    & skf18("6","10","2","4","5","2","1") = "9"
    & skf18("6","10","2","4","5","3","1") = "9"
    & skf18("6","10","2","4","5","4","1") = "9"
    & skf18("6","10","2","4","5","5","1") = "9"
    & skf18("6","10","2","4","5","6","1") = "9"
    & skf18("6","10","2","4","5","7","1") = "9"
    & skf18("6","10","2","4","5","8","1") = "9"
    & skf18("6","10","2","4","5","9","1") = "9"
    & skf18("6","10","2","4","5","10","1") = "9"
    & skf18("6","10","2","4","6","1","1") = "9"
    & skf18("6","10","2","4","6","2","1") = "9"
    & skf18("6","10","2","4","6","3","1") = "9"
    & skf18("6","10","2","4","6","4","1") = "9"
    & skf18("6","10","2","4","6","5","1") = "9"
    & skf18("6","10","2","4","6","6","1") = "9"
    & skf18("6","10","2","4","6","7","1") = "9"
    & skf18("6","10","2","4","6","8","1") = "9"
    & skf18("6","10","2","4","6","9","1") = "9"
    & skf18("6","10","2","4","6","10","1") = "9"
    & skf18("6","10","2","4","7","1","1") = "9"
    & skf18("6","10","2","4","7","2","1") = "9"
    & skf18("6","10","2","4","7","3","1") = "9"
    & skf18("6","10","2","4","7","4","1") = "9"
    & skf18("6","10","2","4","7","5","1") = "9"
    & skf18("6","10","2","4","7","6","1") = "9"
    & skf18("6","10","2","4","7","7","1") = "9"
    & skf18("6","10","2","4","7","8","1") = "9"
    & skf18("6","10","2","4","7","9","1") = "9"
    & skf18("6","10","2","4","7","10","1") = "9"
    & skf18("6","10","2","4","8","1","1") = "9"
    & skf18("6","10","2","4","8","2","1") = "9"
    & skf18("6","10","2","4","8","3","1") = "9"
    & skf18("6","10","2","4","8","4","1") = "9"
    & skf18("6","10","2","4","8","5","1") = "9"
    & skf18("6","10","2","4","8","6","1") = "9"
    & skf18("6","10","2","4","8","7","1") = "9"
    & skf18("6","10","2","4","8","8","1") = "9"
    & skf18("6","10","2","4","8","9","1") = "9"
    & skf18("6","10","2","4","8","10","1") = "9"
    & skf18("6","10","2","4","9","1","1") = "9"
    & skf18("6","10","2","4","9","2","1") = "9"
    & skf18("6","10","2","4","9","3","1") = "9"
    & skf18("6","10","2","4","9","4","1") = "9"
    & skf18("6","10","2","4","9","5","1") = "9"
    & skf18("6","10","2","4","9","6","1") = "9"
    & skf18("6","10","2","4","9","7","1") = "9"
    & skf18("6","10","2","4","9","8","1") = "9"
    & skf18("6","10","2","4","9","9","1") = "9"
    & skf18("6","10","2","4","9","10","1") = "9"
    & skf18("6","10","2","4","10","1","1") = "9"
    & skf18("6","10","2","4","10","2","1") = "9"
    & skf18("6","10","2","4","10","3","1") = "9"
    & skf18("6","10","2","4","10","4","1") = "9"
    & skf18("6","10","2","4","10","5","1") = "9"
    & skf18("6","10","2","4","10","6","1") = "9"
    & skf18("6","10","2","4","10","7","1") = "9"
    & skf18("6","10","2","4","10","8","1") = "9"
    & skf18("6","10","2","4","10","9","1") = "9"
    & skf18("6","10","2","4","10","10","1") = "9"
    & skf18("6","10","2","5","1","1","1") = "9"
    & skf18("6","10","2","5","1","2","1") = "9"
    & skf18("6","10","2","5","1","3","1") = "9"
    & skf18("6","10","2","5","1","4","1") = "9"
    & skf18("6","10","2","5","1","5","1") = "9"
    & skf18("6","10","2","5","1","6","1") = "9"
    & skf18("6","10","2","5","1","7","1") = "9"
    & skf18("6","10","2","5","1","8","1") = "9"
    & skf18("6","10","2","5","1","9","1") = "9"
    & skf18("6","10","2","5","1","10","1") = "9"
    & skf18("6","10","2","5","2","1","1") = "9"
    & skf18("6","10","2","5","2","2","1") = "9"
    & skf18("6","10","2","5","2","3","1") = "9"
    & skf18("6","10","2","5","2","4","1") = "9"
    & skf18("6","10","2","5","2","5","1") = "9"
    & skf18("6","10","2","5","2","6","1") = "9"
    & skf18("6","10","2","5","2","7","1") = "9"
    & skf18("6","10","2","5","2","8","1") = "9"
    & skf18("6","10","2","5","2","9","1") = "9"
    & skf18("6","10","2","5","2","10","1") = "9"
    & skf18("6","10","2","5","3","1","1") = "9"
    & skf18("6","10","2","5","3","2","1") = "9"
    & skf18("6","10","2","5","3","3","1") = "9"
    & skf18("6","10","2","5","3","4","1") = "9"
    & skf18("6","10","2","5","3","5","1") = "9"
    & skf18("6","10","2","5","3","6","1") = "9"
    & skf18("6","10","2","5","3","7","1") = "9"
    & skf18("6","10","2","5","3","8","1") = "9"
    & skf18("6","10","2","5","3","9","1") = "9"
    & skf18("6","10","2","5","3","10","1") = "9"
    & skf18("6","10","2","5","4","1","1") = "9"
    & skf18("6","10","2","5","4","2","1") = "9"
    & skf18("6","10","2","5","4","3","1") = "9"
    & skf18("6","10","2","5","4","4","1") = "9"
    & skf18("6","10","2","5","4","5","1") = "9"
    & skf18("6","10","2","5","4","6","1") = "9"
    & skf18("6","10","2","5","4","7","1") = "9"
    & skf18("6","10","2","5","4","8","1") = "9"
    & skf18("6","10","2","5","4","9","1") = "9"
    & skf18("6","10","2","5","4","10","1") = "9"
    & skf18("6","10","2","5","5","1","1") = "9"
    & skf18("6","10","2","5","5","2","1") = "9"
    & skf18("6","10","2","5","5","3","1") = "9"
    & skf18("6","10","2","5","5","4","1") = "9"
    & skf18("6","10","2","5","5","5","1") = "9"
    & skf18("6","10","2","5","5","6","1") = "9"
    & skf18("6","10","2","5","5","7","1") = "9"
    & skf18("6","10","2","5","5","8","1") = "9"
    & skf18("6","10","2","5","5","9","1") = "9"
    & skf18("6","10","2","5","5","10","1") = "9"
    & skf18("6","10","2","5","6","1","1") = "9"
    & skf18("6","10","2","5","6","2","1") = "9"
    & skf18("6","10","2","5","6","3","1") = "9"
    & skf18("6","10","2","5","6","4","1") = "9"
    & skf18("6","10","2","5","6","5","1") = "9"
    & skf18("6","10","2","5","6","6","1") = "9"
    & skf18("6","10","2","5","6","7","1") = "9"
    & skf18("6","10","2","5","6","8","1") = "9"
    & skf18("6","10","2","5","6","9","1") = "9"
    & skf18("6","10","2","5","6","10","1") = "9"
    & skf18("6","10","2","5","7","1","1") = "9"
    & skf18("6","10","2","5","7","2","1") = "9"
    & skf18("6","10","2","5","7","3","1") = "9"
    & skf18("6","10","2","5","7","4","1") = "9"
    & skf18("6","10","2","5","7","5","1") = "9"
    & skf18("6","10","2","5","7","6","1") = "9"
    & skf18("6","10","2","5","7","7","1") = "9"
    & skf18("6","10","2","5","7","8","1") = "9"
    & skf18("6","10","2","5","7","9","1") = "9"
    & skf18("6","10","2","5","7","10","1") = "9"
    & skf18("6","10","2","5","8","1","1") = "9"
    & skf18("6","10","2","5","8","2","1") = "9"
    & skf18("6","10","2","5","8","3","1") = "9"
    & skf18("6","10","2","5","8","4","1") = "9"
    & skf18("6","10","2","5","8","5","1") = "9"
    & skf18("6","10","2","5","8","6","1") = "9"
    & skf18("6","10","2","5","8","7","1") = "9"
    & skf18("6","10","2","5","8","8","1") = "9"
    & skf18("6","10","2","5","8","9","1") = "9"
    & skf18("6","10","2","5","8","10","1") = "9"
    & skf18("6","10","2","5","9","1","1") = "9"
    & skf18("6","10","2","5","9","2","1") = "9"
    & skf18("6","10","2","5","9","3","1") = "9"
    & skf18("6","10","2","5","9","4","1") = "9"
    & skf18("6","10","2","5","9","5","1") = "9"
    & skf18("6","10","2","5","9","6","1") = "9"
    & skf18("6","10","2","5","9","7","1") = "9"
    & skf18("6","10","2","5","9","8","1") = "9"
    & skf18("6","10","2","5","9","9","1") = "9"
    & skf18("6","10","2","5","9","10","1") = "9"
    & skf18("6","10","2","5","10","1","1") = "9"
    & skf18("6","10","2","5","10","2","1") = "9"
    & skf18("6","10","2","5","10","3","1") = "9"
    & skf18("6","10","2","5","10","4","1") = "9"
    & skf18("6","10","2","5","10","5","1") = "9"
    & skf18("6","10","2","5","10","6","1") = "9"
    & skf18("6","10","2","5","10","7","1") = "9"
    & skf18("6","10","2","5","10","8","1") = "9"
    & skf18("6","10","2","5","10","9","1") = "9"
    & skf18("6","10","2","5","10","10","1") = "9"
    & skf18("6","10","2","6","1","1","1") = "9"
    & skf18("6","10","2","6","1","2","1") = "9"
    & skf18("6","10","2","6","1","3","1") = "9"
    & skf18("6","10","2","6","1","4","1") = "9"
    & skf18("6","10","2","6","1","5","1") = "9"
    & skf18("6","10","2","6","1","6","1") = "9"
    & skf18("6","10","2","6","1","7","1") = "9"
    & skf18("6","10","2","6","1","8","1") = "9"
    & skf18("6","10","2","6","1","9","1") = "9"
    & skf18("6","10","2","6","1","10","1") = "9"
    & skf18("6","10","2","6","2","1","1") = "9"
    & skf18("6","10","2","6","2","2","1") = "9"
    & skf18("6","10","2","6","2","3","1") = "9"
    & skf18("6","10","2","6","2","4","1") = "9"
    & skf18("6","10","2","6","2","5","1") = "9"
    & skf18("6","10","2","6","2","6","1") = "9"
    & skf18("6","10","2","6","2","7","1") = "9"
    & skf18("6","10","2","6","2","8","1") = "9"
    & skf18("6","10","2","6","2","9","1") = "9"
    & skf18("6","10","2","6","2","10","1") = "9"
    & skf18("6","10","2","6","3","1","1") = "9"
    & skf18("6","10","2","6","3","2","1") = "9"
    & skf18("6","10","2","6","3","3","1") = "9"
    & skf18("6","10","2","6","3","4","1") = "9"
    & skf18("6","10","2","6","3","5","1") = "9"
    & skf18("6","10","2","6","3","6","1") = "9"
    & skf18("6","10","2","6","3","7","1") = "9"
    & skf18("6","10","2","6","3","8","1") = "9"
    & skf18("6","10","2","6","3","9","1") = "9"
    & skf18("6","10","2","6","3","10","1") = "9"
    & skf18("6","10","2","6","4","1","1") = "9"
    & skf18("6","10","2","6","4","2","1") = "9"
    & skf18("6","10","2","6","4","3","1") = "9"
    & skf18("6","10","2","6","4","4","1") = "9"
    & skf18("6","10","2","6","4","5","1") = "9"
    & skf18("6","10","2","6","4","6","1") = "9"
    & skf18("6","10","2","6","4","7","1") = "9"
    & skf18("6","10","2","6","4","8","1") = "9"
    & skf18("6","10","2","6","4","9","1") = "9"
    & skf18("6","10","2","6","4","10","1") = "9"
    & skf18("6","10","2","6","5","1","1") = "9"
    & skf18("6","10","2","6","5","2","1") = "9"
    & skf18("6","10","2","6","5","3","1") = "9"
    & skf18("6","10","2","6","5","4","1") = "9"
    & skf18("6","10","2","6","5","5","1") = "9"
    & skf18("6","10","2","6","5","6","1") = "9"
    & skf18("6","10","2","6","5","7","1") = "9"
    & skf18("6","10","2","6","5","8","1") = "9"
    & skf18("6","10","2","6","5","9","1") = "9"
    & skf18("6","10","2","6","5","10","1") = "9"
    & skf18("6","10","2","6","6","1","1") = "9"
    & skf18("6","10","2","6","6","2","1") = "9"
    & skf18("6","10","2","6","6","3","1") = "9"
    & skf18("6","10","2","6","6","4","1") = "9"
    & skf18("6","10","2","6","6","5","1") = "9"
    & skf18("6","10","2","6","6","6","1") = "9"
    & skf18("6","10","2","6","6","7","1") = "9"
    & skf18("6","10","2","6","6","8","1") = "9"
    & skf18("6","10","2","6","6","9","1") = "9"
    & skf18("6","10","2","6","6","10","1") = "9"
    & skf18("6","10","2","6","7","1","1") = "9"
    & skf18("6","10","2","6","7","2","1") = "9"
    & skf18("6","10","2","6","7","3","1") = "9"
    & skf18("6","10","2","6","7","4","1") = "9"
    & skf18("6","10","2","6","7","5","1") = "9"
    & skf18("6","10","2","6","7","6","1") = "9"
    & skf18("6","10","2","6","7","7","1") = "9"
    & skf18("6","10","2","6","7","8","1") = "9"
    & skf18("6","10","2","6","7","9","1") = "9"
    & skf18("6","10","2","6","7","10","1") = "9"
    & skf18("6","10","2","6","8","1","1") = "9"
    & skf18("6","10","2","6","8","2","1") = "9"
    & skf18("6","10","2","6","8","3","1") = "9"
    & skf18("6","10","2","6","8","4","1") = "9"
    & skf18("6","10","2","6","8","5","1") = "9"
    & skf18("6","10","2","6","8","6","1") = "9"
    & skf18("6","10","2","6","8","7","1") = "9"
    & skf18("6","10","2","6","8","8","1") = "9"
    & skf18("6","10","2","6","8","9","1") = "9"
    & skf18("6","10","2","6","8","10","1") = "9"
    & skf18("6","10","2","6","9","1","1") = "9"
    & skf18("6","10","2","6","9","2","1") = "9"
    & skf18("6","10","2","6","9","3","1") = "9"
    & skf18("6","10","2","6","9","4","1") = "9"
    & skf18("6","10","2","6","9","5","1") = "9"
    & skf18("6","10","2","6","9","6","1") = "9"
    & skf18("6","10","2","6","9","7","1") = "9"
    & skf18("6","10","2","6","9","8","1") = "9"
    & skf18("6","10","2","6","9","9","1") = "9"
    & skf18("6","10","2","6","9","10","1") = "9"
    & skf18("6","10","2","6","10","1","1") = "9"
    & skf18("6","10","2","6","10","2","1") = "9"
    & skf18("6","10","2","6","10","3","1") = "9"
    & skf18("6","10","2","6","10","4","1") = "9"
    & skf18("6","10","2","6","10","5","1") = "9"
    & skf18("6","10","2","6","10","6","1") = "9"
    & skf18("6","10","2","6","10","7","1") = "9"
    & skf18("6","10","2","6","10","8","1") = "9"
    & skf18("6","10","2","6","10","9","1") = "9"
    & skf18("6","10","2","6","10","10","1") = "9"
    & skf18("6","10","2","7","1","1","1") = "9"
    & skf18("6","10","2","7","1","2","1") = "9"
    & skf18("6","10","2","7","1","3","1") = "9"
    & skf18("6","10","2","7","1","4","1") = "9"
    & skf18("6","10","2","7","1","5","1") = "9"
    & skf18("6","10","2","7","1","6","1") = "9"
    & skf18("6","10","2","7","1","7","1") = "9"
    & skf18("6","10","2","7","1","8","1") = "9"
    & skf18("6","10","2","7","1","9","1") = "9"
    & skf18("6","10","2","7","1","10","1") = "9"
    & skf18("6","10","2","7","2","1","1") = "9"
    & skf18("6","10","2","7","2","2","1") = "9"
    & skf18("6","10","2","7","2","3","1") = "9"
    & skf18("6","10","2","7","2","4","1") = "9"
    & skf18("6","10","2","7","2","5","1") = "9"
    & skf18("6","10","2","7","2","6","1") = "9"
    & skf18("6","10","2","7","2","7","1") = "9"
    & skf18("6","10","2","7","2","8","1") = "9"
    & skf18("6","10","2","7","2","9","1") = "9"
    & skf18("6","10","2","7","2","10","1") = "9"
    & skf18("6","10","2","7","3","1","1") = "9"
    & skf18("6","10","2","7","3","2","1") = "9"
    & skf18("6","10","2","7","3","3","1") = "9"
    & skf18("6","10","2","7","3","4","1") = "9"
    & skf18("6","10","2","7","3","5","1") = "9"
    & skf18("6","10","2","7","3","6","1") = "9"
    & skf18("6","10","2","7","3","7","1") = "9"
    & skf18("6","10","2","7","3","8","1") = "9"
    & skf18("6","10","2","7","3","9","1") = "9"
    & skf18("6","10","2","7","3","10","1") = "9"
    & skf18("6","10","2","7","4","1","1") = "9"
    & skf18("6","10","2","7","4","2","1") = "9"
    & skf18("6","10","2","7","4","3","1") = "9"
    & skf18("6","10","2","7","4","4","1") = "9"
    & skf18("6","10","2","7","4","5","1") = "9"
    & skf18("6","10","2","7","4","6","1") = "9"
    & skf18("6","10","2","7","4","7","1") = "9"
    & skf18("6","10","2","7","4","8","1") = "9"
    & skf18("6","10","2","7","4","9","1") = "9"
    & skf18("6","10","2","7","4","10","1") = "9"
    & skf18("6","10","2","7","5","1","1") = "9"
    & skf18("6","10","2","7","5","2","1") = "9"
    & skf18("6","10","2","7","5","3","1") = "9"
    & skf18("6","10","2","7","5","4","1") = "9"
    & skf18("6","10","2","7","5","5","1") = "9"
    & skf18("6","10","2","7","5","6","1") = "9"
    & skf18("6","10","2","7","5","7","1") = "9"
    & skf18("6","10","2","7","5","8","1") = "9"
    & skf18("6","10","2","7","5","9","1") = "9"
    & skf18("6","10","2","7","5","10","1") = "9"
    & skf18("6","10","2","7","6","1","1") = "9"
    & skf18("6","10","2","7","6","2","1") = "9"
    & skf18("6","10","2","7","6","3","1") = "9"
    & skf18("6","10","2","7","6","4","1") = "9"
    & skf18("6","10","2","7","6","5","1") = "9"
    & skf18("6","10","2","7","6","6","1") = "9"
    & skf18("6","10","2","7","6","7","1") = "9"
    & skf18("6","10","2","7","6","8","1") = "9"
    & skf18("6","10","2","7","6","9","1") = "9"
    & skf18("6","10","2","7","6","10","1") = "9"
    & skf18("6","10","2","7","7","1","1") = "9"
    & skf18("6","10","2","7","7","2","1") = "9"
    & skf18("6","10","2","7","7","3","1") = "9"
    & skf18("6","10","2","7","7","4","1") = "9"
    & skf18("6","10","2","7","7","5","1") = "9"
    & skf18("6","10","2","7","7","6","1") = "9"
    & skf18("6","10","2","7","7","7","1") = "9"
    & skf18("6","10","2","7","7","8","1") = "9"
    & skf18("6","10","2","7","7","9","1") = "9"
    & skf18("6","10","2","7","7","10","1") = "9"
    & skf18("6","10","2","7","8","1","1") = "9"
    & skf18("6","10","2","7","8","2","1") = "9"
    & skf18("6","10","2","7","8","3","1") = "9"
    & skf18("6","10","2","7","8","4","1") = "9"
    & skf18("6","10","2","7","8","5","1") = "9"
    & skf18("6","10","2","7","8","6","1") = "9"
    & skf18("6","10","2","7","8","7","1") = "9"
    & skf18("6","10","2","7","8","8","1") = "9"
    & skf18("6","10","2","7","8","9","1") = "9"
    & skf18("6","10","2","7","8","10","1") = "9"
    & skf18("6","10","2","7","9","1","1") = "9"
    & skf18("6","10","2","7","9","2","1") = "9"
    & skf18("6","10","2","7","9","3","1") = "9"
    & skf18("6","10","2","7","9","4","1") = "9"
    & skf18("6","10","2","7","9","5","1") = "9"
    & skf18("6","10","2","7","9","6","1") = "9"
    & skf18("6","10","2","7","9","7","1") = "9"
    & skf18("6","10","2","7","9","8","1") = "9"
    & skf18("6","10","2","7","9","9","1") = "9"
    & skf18("6","10","2","7","9","10","1") = "9"
    & skf18("6","10","2","7","10","1","1") = "9"
    & skf18("6","10","2","7","10","2","1") = "9"
    & skf18("6","10","2","7","10","3","1") = "9"
    & skf18("6","10","2","7","10","4","1") = "9"
    & skf18("6","10","2","7","10","5","1") = "9"
    & skf18("6","10","2","7","10","6","1") = "9"
    & skf18("6","10","2","7","10","7","1") = "9"
    & skf18("6","10","2","7","10","8","1") = "9"
    & skf18("6","10","2","7","10","9","1") = "9"
    & skf18("6","10","2","7","10","10","1") = "9"
    & skf18("6","10","2","8","1","1","1") = "9"
    & skf18("6","10","2","8","1","2","1") = "9"
    & skf18("6","10","2","8","1","3","1") = "9"
    & skf18("6","10","2","8","1","4","1") = "9"
    & skf18("6","10","2","8","1","5","1") = "9"
    & skf18("6","10","2","8","1","6","1") = "9"
    & skf18("6","10","2","8","1","7","1") = "9"
    & skf18("6","10","2","8","1","8","1") = "9"
    & skf18("6","10","2","8","1","9","1") = "9"
    & skf18("6","10","2","8","1","10","1") = "9"
    & skf18("6","10","2","8","2","1","1") = "9"
    & skf18("6","10","2","8","2","2","1") = "9"
    & skf18("6","10","2","8","2","3","1") = "9"
    & skf18("6","10","2","8","2","4","1") = "9"
    & skf18("6","10","2","8","2","5","1") = "9"
    & skf18("6","10","2","8","2","6","1") = "9"
    & skf18("6","10","2","8","2","7","1") = "9"
    & skf18("6","10","2","8","2","8","1") = "9"
    & skf18("6","10","2","8","2","9","1") = "9"
    & skf18("6","10","2","8","2","10","1") = "9"
    & skf18("6","10","2","8","3","1","1") = "9"
    & skf18("6","10","2","8","3","2","1") = "9"
    & skf18("6","10","2","8","3","3","1") = "9"
    & skf18("6","10","2","8","3","4","1") = "9"
    & skf18("6","10","2","8","3","5","1") = "9"
    & skf18("6","10","2","8","3","6","1") = "9"
    & skf18("6","10","2","8","3","7","1") = "9"
    & skf18("6","10","2","8","3","8","1") = "9"
    & skf18("6","10","2","8","3","9","1") = "9"
    & skf18("6","10","2","8","3","10","1") = "9"
    & skf18("6","10","2","8","4","1","1") = "9"
    & skf18("6","10","2","8","4","2","1") = "9"
    & skf18("6","10","2","8","4","3","1") = "9"
    & skf18("6","10","2","8","4","4","1") = "9"
    & skf18("6","10","2","8","4","5","1") = "9"
    & skf18("6","10","2","8","4","6","1") = "9"
    & skf18("6","10","2","8","4","7","1") = "9"
    & skf18("6","10","2","8","4","8","1") = "9"
    & skf18("6","10","2","8","4","9","1") = "9"
    & skf18("6","10","2","8","4","10","1") = "9"
    & skf18("6","10","2","8","5","1","1") = "9"
    & skf18("6","10","2","8","5","2","1") = "9"
    & skf18("6","10","2","8","5","3","1") = "9"
    & skf18("6","10","2","8","5","4","1") = "9"
    & skf18("6","10","2","8","5","5","1") = "9"
    & skf18("6","10","2","8","5","6","1") = "9"
    & skf18("6","10","2","8","5","7","1") = "9"
    & skf18("6","10","2","8","5","8","1") = "9"
    & skf18("6","10","2","8","5","9","1") = "9"
    & skf18("6","10","2","8","5","10","1") = "9"
    & skf18("6","10","2","8","6","1","1") = "9"
    & skf18("6","10","2","8","6","2","1") = "9"
    & skf18("6","10","2","8","6","3","1") = "9"
    & skf18("6","10","2","8","6","4","1") = "9"
    & skf18("6","10","2","8","6","5","1") = "9"
    & skf18("6","10","2","8","6","6","1") = "9"
    & skf18("6","10","2","8","6","7","1") = "9"
    & skf18("6","10","2","8","6","8","1") = "9"
    & skf18("6","10","2","8","6","9","1") = "9"
    & skf18("6","10","2","8","6","10","1") = "9"
    & skf18("6","10","2","8","7","1","1") = "9"
    & skf18("6","10","2","8","7","2","1") = "9"
    & skf18("6","10","2","8","7","3","1") = "9"
    & skf18("6","10","2","8","7","4","1") = "9"
    & skf18("6","10","2","8","7","5","1") = "9"
    & skf18("6","10","2","8","7","6","1") = "9"
    & skf18("6","10","2","8","7","7","1") = "9"
    & skf18("6","10","2","8","7","8","1") = "9"
    & skf18("6","10","2","8","7","9","1") = "9"
    & skf18("6","10","2","8","7","10","1") = "9"
    & skf18("6","10","2","8","8","1","1") = "9"
    & skf18("6","10","2","8","8","2","1") = "9"
    & skf18("6","10","2","8","8","3","1") = "9"
    & skf18("6","10","2","8","8","4","1") = "9"
    & skf18("6","10","2","8","8","5","1") = "9"
    & skf18("6","10","2","8","8","6","1") = "9"
    & skf18("6","10","2","8","8","7","1") = "9"
    & skf18("6","10","2","8","8","8","1") = "9"
    & skf18("6","10","2","8","8","9","1") = "9"
    & skf18("6","10","2","8","8","10","1") = "9"
    & skf18("6","10","2","8","9","1","1") = "9"
    & skf18("6","10","2","8","9","2","1") = "9"
    & skf18("6","10","2","8","9","3","1") = "9"
    & skf18("6","10","2","8","9","4","1") = "9"
    & skf18("6","10","2","8","9","5","1") = "9"
    & skf18("6","10","2","8","9","6","1") = "9"
    & skf18("6","10","2","8","9","7","1") = "9"
    & skf18("6","10","2","8","9","8","1") = "9"
    & skf18("6","10","2","8","9","9","1") = "9"
    & skf18("6","10","2","8","9","10","1") = "9"
    & skf18("6","10","2","8","10","1","1") = "9"
    & skf18("6","10","2","8","10","2","1") = "9"
    & skf18("6","10","2","8","10","3","1") = "9"
    & skf18("6","10","2","8","10","4","1") = "9"
    & skf18("6","10","2","8","10","5","1") = "9"
    & skf18("6","10","2","8","10","6","1") = "9"
    & skf18("6","10","2","8","10","7","1") = "9"
    & skf18("6","10","2","8","10","8","1") = "9"
    & skf18("6","10","2","8","10","9","1") = "9"
    & skf18("6","10","2","8","10","10","1") = "9"
    & skf18("6","10","2","9","1","1","1") = "9"
    & skf18("6","10","2","9","1","2","1") = "9"
    & skf18("6","10","2","9","1","3","1") = "9"
    & skf18("6","10","2","9","1","4","1") = "9"
    & skf18("6","10","2","9","1","5","1") = "9"
    & skf18("6","10","2","9","1","6","1") = "9"
    & skf18("6","10","2","9","1","7","1") = "9"
    & skf18("6","10","2","9","1","8","1") = "9"
    & skf18("6","10","2","9","1","9","1") = "9"
    & skf18("6","10","2","9","1","10","1") = "9"
    & skf18("6","10","2","9","2","1","1") = "9"
    & skf18("6","10","2","9","2","2","1") = "9"
    & skf18("6","10","2","9","2","3","1") = "9"
    & skf18("6","10","2","9","2","4","1") = "9"
    & skf18("6","10","2","9","2","5","1") = "9"
    & skf18("6","10","2","9","2","6","1") = "9"
    & skf18("6","10","2","9","2","7","1") = "9"
    & skf18("6","10","2","9","2","8","1") = "9"
    & skf18("6","10","2","9","2","9","1") = "9"
    & skf18("6","10","2","9","2","10","1") = "9"
    & skf18("6","10","2","9","3","1","1") = "9"
    & skf18("6","10","2","9","3","2","1") = "9"
    & skf18("6","10","2","9","3","3","1") = "9"
    & skf18("6","10","2","9","3","4","1") = "9"
    & skf18("6","10","2","9","3","5","1") = "9"
    & skf18("6","10","2","9","3","6","1") = "9"
    & skf18("6","10","2","9","3","7","1") = "9"
    & skf18("6","10","2","9","3","8","1") = "9"
    & skf18("6","10","2","9","3","9","1") = "9"
    & skf18("6","10","2","9","3","10","1") = "9"
    & skf18("6","10","2","9","4","1","1") = "9"
    & skf18("6","10","2","9","4","2","1") = "9"
    & skf18("6","10","2","9","4","3","1") = "9"
    & skf18("6","10","2","9","4","4","1") = "9"
    & skf18("6","10","2","9","4","5","1") = "9"
    & skf18("6","10","2","9","4","6","1") = "9"
    & skf18("6","10","2","9","4","7","1") = "9"
    & skf18("6","10","2","9","4","8","1") = "9"
    & skf18("6","10","2","9","4","9","1") = "9"
    & skf18("6","10","2","9","4","10","1") = "9"
    & skf18("6","10","2","9","5","1","1") = "9"
    & skf18("6","10","2","9","5","2","1") = "9"
    & skf18("6","10","2","9","5","3","1") = "9"
    & skf18("6","10","2","9","5","4","1") = "9"
    & skf18("6","10","2","9","5","5","1") = "9"
    & skf18("6","10","2","9","5","6","1") = "9"
    & skf18("6","10","2","9","5","7","1") = "9"
    & skf18("6","10","2","9","5","8","1") = "9"
    & skf18("6","10","2","9","5","9","1") = "9"
    & skf18("6","10","2","9","5","10","1") = "9"
    & skf18("6","10","2","9","6","1","1") = "9"
    & skf18("6","10","2","9","6","2","1") = "9"
    & skf18("6","10","2","9","6","3","1") = "9"
    & skf18("6","10","2","9","6","4","1") = "9"
    & skf18("6","10","2","9","6","5","1") = "9"
    & skf18("6","10","2","9","6","6","1") = "9"
    & skf18("6","10","2","9","6","7","1") = "9"
    & skf18("6","10","2","9","6","8","1") = "9"
    & skf18("6","10","2","9","6","9","1") = "9"
    & skf18("6","10","2","9","6","10","1") = "9"
    & skf18("6","10","2","9","7","1","1") = "9"
    & skf18("6","10","2","9","7","2","1") = "9"
    & skf18("6","10","2","9","7","3","1") = "9"
    & skf18("6","10","2","9","7","4","1") = "9"
    & skf18("6","10","2","9","7","5","1") = "9"
    & skf18("6","10","2","9","7","6","1") = "9"
    & skf18("6","10","2","9","7","7","1") = "9"
    & skf18("6","10","2","9","7","8","1") = "9"
    & skf18("6","10","2","9","7","9","1") = "9"
    & skf18("6","10","2","9","7","10","1") = "9"
    & skf18("6","10","2","9","8","1","1") = "9"
    & skf18("6","10","2","9","8","2","1") = "9"
    & skf18("6","10","2","9","8","3","1") = "9"
    & skf18("6","10","2","9","8","4","1") = "9"
    & skf18("6","10","2","9","8","5","1") = "9"
    & skf18("6","10","2","9","8","6","1") = "9"
    & skf18("6","10","2","9","8","7","1") = "9"
    & skf18("6","10","2","9","8","8","1") = "9"
    & skf18("6","10","2","9","8","9","1") = "9"
    & skf18("6","10","2","9","8","10","1") = "9"
    & skf18("6","10","2","9","9","1","1") = "9"
    & skf18("6","10","2","9","9","2","1") = "9"
    & skf18("6","10","2","9","9","3","1") = "9"
    & skf18("6","10","2","9","9","4","1") = "9"
    & skf18("6","10","2","9","9","5","1") = "9"
    & skf18("6","10","2","9","9","6","1") = "9"
    & skf18("6","10","2","9","9","7","1") = "9"
    & skf18("6","10","2","9","9","8","1") = "9"
    & skf18("6","10","2","9","9","9","1") = "9"
    & skf18("6","10","2","9","9","10","1") = "9"
    & skf18("6","10","2","9","10","1","1") = "9"
    & skf18("6","10","2","9","10","2","1") = "9"
    & skf18("6","10","2","9","10","3","1") = "9"
    & skf18("6","10","2","9","10","4","1") = "9"
    & skf18("6","10","2","9","10","5","1") = "9"
    & skf18("6","10","2","9","10","6","1") = "9"
    & skf18("6","10","2","9","10","7","1") = "9"
    & skf18("6","10","2","9","10","8","1") = "9"
    & skf18("6","10","2","9","10","9","1") = "9"
    & skf18("6","10","2","9","10","10","1") = "9"
    & skf18("6","10","2","10","1","1","1") = "9"
    & skf18("6","10","2","10","1","2","1") = "9"
    & skf18("6","10","2","10","1","3","1") = "9"
    & skf18("6","10","2","10","1","4","1") = "9"
    & skf18("6","10","2","10","1","5","1") = "9"
    & skf18("6","10","2","10","1","6","1") = "9"
    & skf18("6","10","2","10","1","7","1") = "9"
    & skf18("6","10","2","10","1","8","1") = "9"
    & skf18("6","10","2","10","1","9","1") = "9"
    & skf18("6","10","2","10","1","10","1") = "9"
    & skf18("6","10","2","10","2","1","1") = "9"
    & skf18("6","10","2","10","2","2","1") = "9"
    & skf18("6","10","2","10","2","3","1") = "9"
    & skf18("6","10","2","10","2","4","1") = "9"
    & skf18("6","10","2","10","2","5","1") = "9"
    & skf18("6","10","2","10","2","6","1") = "9"
    & skf18("6","10","2","10","2","7","1") = "9"
    & skf18("6","10","2","10","2","8","1") = "9"
    & skf18("6","10","2","10","2","9","1") = "9"
    & skf18("6","10","2","10","2","10","1") = "9"
    & skf18("6","10","2","10","3","1","1") = "9"
    & skf18("6","10","2","10","3","2","1") = "9"
    & skf18("6","10","2","10","3","3","1") = "9"
    & skf18("6","10","2","10","3","4","1") = "9"
    & skf18("6","10","2","10","3","5","1") = "9"
    & skf18("6","10","2","10","3","6","1") = "9"
    & skf18("6","10","2","10","3","7","1") = "9"
    & skf18("6","10","2","10","3","8","1") = "9"
    & skf18("6","10","2","10","3","9","1") = "9"
    & skf18("6","10","2","10","3","10","1") = "9"
    & skf18("6","10","2","10","4","1","1") = "9"
    & skf18("6","10","2","10","4","2","1") = "9"
    & skf18("6","10","2","10","4","3","1") = "9"
    & skf18("6","10","2","10","4","4","1") = "9"
    & skf18("6","10","2","10","4","5","1") = "9"
    & skf18("6","10","2","10","4","6","1") = "9"
    & skf18("6","10","2","10","4","7","1") = "9"
    & skf18("6","10","2","10","4","8","1") = "9"
    & skf18("6","10","2","10","4","9","1") = "9"
    & skf18("6","10","2","10","4","10","1") = "9"
    & skf18("6","10","2","10","5","1","1") = "9"
    & skf18("6","10","2","10","5","2","1") = "9"
    & skf18("6","10","2","10","5","3","1") = "9"
    & skf18("6","10","2","10","5","4","1") = "9"
    & skf18("6","10","2","10","5","5","1") = "9"
    & skf18("6","10","2","10","5","6","1") = "9"
    & skf18("6","10","2","10","5","7","1") = "9"
    & skf18("6","10","2","10","5","8","1") = "9"
    & skf18("6","10","2","10","5","9","1") = "9"
    & skf18("6","10","2","10","5","10","1") = "9"
    & skf18("6","10","2","10","6","1","1") = "9"
    & skf18("6","10","2","10","6","2","1") = "9"
    & skf18("6","10","2","10","6","3","1") = "9"
    & skf18("6","10","2","10","6","4","1") = "9"
    & skf18("6","10","2","10","6","5","1") = "9"
    & skf18("6","10","2","10","6","6","1") = "9"
    & skf18("6","10","2","10","6","7","1") = "9"
    & skf18("6","10","2","10","6","8","1") = "9"
    & skf18("6","10","2","10","6","9","1") = "9"
    & skf18("6","10","2","10","6","10","1") = "9"
    & skf18("6","10","2","10","7","1","1") = "9"
    & skf18("6","10","2","10","7","2","1") = "9"
    & skf18("6","10","2","10","7","3","1") = "9"
    & skf18("6","10","2","10","7","4","1") = "9"
    & skf18("6","10","2","10","7","5","1") = "9"
    & skf18("6","10","2","10","7","6","1") = "9"
    & skf18("6","10","2","10","7","7","1") = "9"
    & skf18("6","10","2","10","7","8","1") = "9"
    & skf18("6","10","2","10","7","9","1") = "9"
    & skf18("6","10","2","10","7","10","1") = "9"
    & skf18("6","10","2","10","8","1","1") = "9"
    & skf18("6","10","2","10","8","2","1") = "9"
    & skf18("6","10","2","10","8","3","1") = "9"
    & skf18("6","10","2","10","8","4","1") = "9"
    & skf18("6","10","2","10","8","5","1") = "9"
    & skf18("6","10","2","10","8","6","1") = "9"
    & skf18("6","10","2","10","8","7","1") = "9"
    & skf18("6","10","2","10","8","8","1") = "9"
    & skf18("6","10","2","10","8","9","1") = "9"
    & skf18("6","10","2","10","8","10","1") = "9"
    & skf18("6","10","2","10","9","1","1") = "9"
    & skf18("6","10","2","10","9","2","1") = "9"
    & skf18("6","10","2","10","9","3","1") = "9"
    & skf18("6","10","2","10","9","4","1") = "9"
    & skf18("6","10","2","10","9","5","1") = "9"
    & skf18("6","10","2","10","9","6","1") = "9"
    & skf18("6","10","2","10","9","7","1") = "9"
    & skf18("6","10","2","10","9","8","1") = "9"
    & skf18("6","10","2","10","9","9","1") = "9"
    & skf18("6","10","2","10","9","10","1") = "9"
    & skf18("6","10","2","10","10","1","1") = "9"
    & skf18("6","10","2","10","10","2","1") = "9"
    & skf18("6","10","2","10","10","3","1") = "9"
    & skf18("6","10","2","10","10","4","1") = "9"
    & skf18("6","10","2","10","10","5","1") = "9"
    & skf18("6","10","2","10","10","6","1") = "9"
    & skf18("6","10","2","10","10","7","1") = "9"
    & skf18("6","10","2","10","10","8","1") = "9"
    & skf18("6","10","2","10","10","9","1") = "9"
    & skf18("6","10","2","10","10","10","1") = "9"
    & skf18("6","10","3","1","1","1","1") = "9"
    & skf18("6","10","3","1","1","2","1") = "9"
    & skf18("6","10","3","1","1","3","1") = "9"
    & skf18("6","10","3","1","1","4","1") = "9"
    & skf18("6","10","3","1","1","5","1") = "9"
    & skf18("6","10","3","1","1","6","1") = "9"
    & skf18("6","10","3","1","1","7","1") = "9"
    & skf18("6","10","3","1","1","8","1") = "9"
    & skf18("6","10","3","1","1","9","1") = "9"
    & skf18("6","10","3","1","1","10","1") = "9"
    & skf18("6","10","3","1","2","1","1") = "9"
    & skf18("6","10","3","1","2","2","1") = "9"
    & skf18("6","10","3","1","2","3","1") = "9"
    & skf18("6","10","3","1","2","4","1") = "9"
    & skf18("6","10","3","1","2","5","1") = "9"
    & skf18("6","10","3","1","2","6","1") = "9"
    & skf18("6","10","3","1","2","7","1") = "9"
    & skf18("6","10","3","1","2","8","1") = "9"
    & skf18("6","10","3","1","2","9","1") = "9"
    & skf18("6","10","3","1","2","10","1") = "9"
    & skf18("6","10","3","1","3","1","1") = "9"
    & skf18("6","10","3","1","3","2","1") = "9"
    & skf18("6","10","3","1","3","3","1") = "9"
    & skf18("6","10","3","1","3","4","1") = "9"
    & skf18("6","10","3","1","3","5","1") = "9"
    & skf18("6","10","3","1","3","6","1") = "9"
    & skf18("6","10","3","1","3","7","1") = "9"
    & skf18("6","10","3","1","3","8","1") = "9"
    & skf18("6","10","3","1","3","9","1") = "9"
    & skf18("6","10","3","1","3","10","1") = "9"
    & skf18("6","10","3","1","4","1","1") = "9"
    & skf18("6","10","3","1","4","2","1") = "9"
    & skf18("6","10","3","1","4","3","1") = "9"
    & skf18("6","10","3","1","4","4","1") = "9"
    & skf18("6","10","3","1","4","5","1") = "9"
    & skf18("6","10","3","1","4","6","1") = "9"
    & skf18("6","10","3","1","4","7","1") = "9"
    & skf18("6","10","3","1","4","8","1") = "9"
    & skf18("6","10","3","1","4","9","1") = "9"
    & skf18("6","10","3","1","4","10","1") = "9"
    & skf18("6","10","3","1","5","1","1") = "9"
    & skf18("6","10","3","1","5","2","1") = "9"
    & skf18("6","10","3","1","5","3","1") = "9"
    & skf18("6","10","3","1","5","4","1") = "9"
    & skf18("6","10","3","1","5","5","1") = "9"
    & skf18("6","10","3","1","5","6","1") = "9"
    & skf18("6","10","3","1","5","7","1") = "9"
    & skf18("6","10","3","1","5","8","1") = "9"
    & skf18("6","10","3","1","5","9","1") = "9"
    & skf18("6","10","3","1","5","10","1") = "9"
    & skf18("6","10","3","1","6","1","1") = "9"
    & skf18("6","10","3","1","6","2","1") = "9"
    & skf18("6","10","3","1","6","3","1") = "9"
    & skf18("6","10","3","1","6","4","1") = "9"
    & skf18("6","10","3","1","6","5","1") = "9"
    & skf18("6","10","3","1","6","6","1") = "9"
    & skf18("6","10","3","1","6","7","1") = "9"
    & skf18("6","10","3","1","6","8","1") = "9"
    & skf18("6","10","3","1","6","9","1") = "9"
    & skf18("6","10","3","1","6","10","1") = "9"
    & skf18("6","10","3","1","7","1","1") = "9"
    & skf18("6","10","3","1","7","2","1") = "9"
    & skf18("6","10","3","1","7","3","1") = "9"
    & skf18("6","10","3","1","7","4","1") = "9"
    & skf18("6","10","3","1","7","5","1") = "9"
    & skf18("6","10","3","1","7","6","1") = "9"
    & skf18("6","10","3","1","7","7","1") = "9"
    & skf18("6","10","3","1","7","8","1") = "9"
    & skf18("6","10","3","1","7","9","1") = "9"
    & skf18("6","10","3","1","7","10","1") = "9"
    & skf18("6","10","3","1","8","1","1") = "9"
    & skf18("6","10","3","1","8","2","1") = "9"
    & skf18("6","10","3","1","8","3","1") = "9"
    & skf18("6","10","3","1","8","4","1") = "9"
    & skf18("6","10","3","1","8","5","1") = "9"
    & skf18("6","10","3","1","8","6","1") = "9"
    & skf18("6","10","3","1","8","7","1") = "9"
    & skf18("6","10","3","1","8","8","1") = "9"
    & skf18("6","10","3","1","8","9","1") = "9"
    & skf18("6","10","3","1","8","10","1") = "9"
    & skf18("6","10","3","1","9","1","1") = "9"
    & skf18("6","10","3","1","9","2","1") = "9"
    & skf18("6","10","3","1","9","3","1") = "9"
    & skf18("6","10","3","1","9","4","1") = "9"
    & skf18("6","10","3","1","9","5","1") = "9"
    & skf18("6","10","3","1","9","6","1") = "9"
    & skf18("6","10","3","1","9","7","1") = "9"
    & skf18("6","10","3","1","9","8","1") = "9"
    & skf18("6","10","3","1","9","9","1") = "9"
    & skf18("6","10","3","1","9","10","1") = "9"
    & skf18("6","10","3","1","10","1","1") = "9"
    & skf18("6","10","3","1","10","2","1") = "9"
    & skf18("6","10","3","1","10","3","1") = "9"
    & skf18("6","10","3","1","10","4","1") = "9"
    & skf18("6","10","3","1","10","5","1") = "9"
    & skf18("6","10","3","1","10","6","1") = "9"
    & skf18("6","10","3","1","10","7","1") = "9"
    & skf18("6","10","3","1","10","8","1") = "9"
    & skf18("6","10","3","1","10","9","1") = "9"
    & skf18("6","10","3","1","10","10","1") = "9"
    & skf18("6","10","3","2","1","1","1") = "9"
    & skf18("6","10","3","2","1","2","1") = "9"
    & skf18("6","10","3","2","1","3","1") = "9"
    & skf18("6","10","3","2","1","4","1") = "9"
    & skf18("6","10","3","2","1","5","1") = "9"
    & skf18("6","10","3","2","1","6","1") = "9"
    & skf18("6","10","3","2","1","7","1") = "9"
    & skf18("6","10","3","2","1","8","1") = "9"
    & skf18("6","10","3","2","1","9","1") = "9"
    & skf18("6","10","3","2","1","10","1") = "9"
    & skf18("6","10","3","2","2","1","1") = "9"
    & skf18("6","10","3","2","2","2","1") = "9"
    & skf18("6","10","3","2","2","3","1") = "9"
    & skf18("6","10","3","2","2","4","1") = "9"
    & skf18("6","10","3","2","2","5","1") = "9"
    & skf18("6","10","3","2","2","6","1") = "9"
    & skf18("6","10","3","2","2","7","1") = "9"
    & skf18("6","10","3","2","2","8","1") = "9"
    & skf18("6","10","3","2","2","9","1") = "9"
    & skf18("6","10","3","2","2","10","1") = "9"
    & skf18("6","10","3","2","3","1","1") = "9"
    & skf18("6","10","3","2","3","2","1") = "9"
    & skf18("6","10","3","2","3","3","1") = "9"
    & skf18("6","10","3","2","3","4","1") = "9"
    & skf18("6","10","3","2","3","5","1") = "9"
    & skf18("6","10","3","2","3","6","1") = "9"
    & skf18("6","10","3","2","3","7","1") = "9"
    & skf18("6","10","3","2","3","8","1") = "9"
    & skf18("6","10","3","2","3","9","1") = "9"
    & skf18("6","10","3","2","3","10","1") = "9"
    & skf18("6","10","3","2","4","1","1") = "9"
    & skf18("6","10","3","2","4","2","1") = "9"
    & skf18("6","10","3","2","4","3","1") = "9"
    & skf18("6","10","3","2","4","4","1") = "9"
    & skf18("6","10","3","2","4","5","1") = "9"
    & skf18("6","10","3","2","4","6","1") = "9"
    & skf18("6","10","3","2","4","7","1") = "9"
    & skf18("6","10","3","2","4","8","1") = "9"
    & skf18("6","10","3","2","4","9","1") = "9"
    & skf18("6","10","3","2","4","10","1") = "9"
    & skf18("6","10","3","2","5","1","1") = "9"
    & skf18("6","10","3","2","5","2","1") = "9"
    & skf18("6","10","3","2","5","3","1") = "9"
    & skf18("6","10","3","2","5","4","1") = "9"
    & skf18("6","10","3","2","5","5","1") = "9"
    & skf18("6","10","3","2","5","6","1") = "9"
    & skf18("6","10","3","2","5","7","1") = "9"
    & skf18("6","10","3","2","5","8","1") = "9"
    & skf18("6","10","3","2","5","9","1") = "9"
    & skf18("6","10","3","2","5","10","1") = "9"
    & skf18("6","10","3","2","6","1","1") = "9"
    & skf18("6","10","3","2","6","2","1") = "9"
    & skf18("6","10","3","2","6","3","1") = "9"
    & skf18("6","10","3","2","6","4","1") = "9"
    & skf18("6","10","3","2","6","5","1") = "9"
    & skf18("6","10","3","2","6","6","1") = "9"
    & skf18("6","10","3","2","6","7","1") = "9"
    & skf18("6","10","3","2","6","8","1") = "9"
    & skf18("6","10","3","2","6","9","1") = "9"
    & skf18("6","10","3","2","6","10","1") = "9"
    & skf18("6","10","3","2","7","1","1") = "9"
    & skf18("6","10","3","2","7","2","1") = "9"
    & skf18("6","10","3","2","7","3","1") = "9"
    & skf18("6","10","3","2","7","4","1") = "9"
    & skf18("6","10","3","2","7","5","1") = "9"
    & skf18("6","10","3","2","7","6","1") = "9"
    & skf18("6","10","3","2","7","7","1") = "9"
    & skf18("6","10","3","2","7","8","1") = "9"
    & skf18("6","10","3","2","7","9","1") = "9"
    & skf18("6","10","3","2","7","10","1") = "9"
    & skf18("6","10","3","2","8","1","1") = "9"
    & skf18("6","10","3","2","8","2","1") = "9"
    & skf18("6","10","3","2","8","3","1") = "9"
    & skf18("6","10","3","2","8","4","1") = "9"
    & skf18("6","10","3","2","8","5","1") = "9"
    & skf18("6","10","3","2","8","6","1") = "9"
    & skf18("6","10","3","2","8","7","1") = "9"
    & skf18("6","10","3","2","8","8","1") = "9"
    & skf18("6","10","3","2","8","9","1") = "9"
    & skf18("6","10","3","2","8","10","1") = "9"
    & skf18("6","10","3","2","9","1","1") = "9"
    & skf18("6","10","3","2","9","2","1") = "9"
    & skf18("6","10","3","2","9","3","1") = "9"
    & skf18("6","10","3","2","9","4","1") = "9"
    & skf18("6","10","3","2","9","5","1") = "9"
    & skf18("6","10","3","2","9","6","1") = "9"
    & skf18("6","10","3","2","9","7","1") = "9"
    & skf18("6","10","3","2","9","8","1") = "9"
    & skf18("6","10","3","2","9","9","1") = "9"
    & skf18("6","10","3","2","9","10","1") = "9"
    & skf18("6","10","3","2","10","1","1") = "9"
    & skf18("6","10","3","2","10","2","1") = "9"
    & skf18("6","10","3","2","10","3","1") = "9"
    & skf18("6","10","3","2","10","4","1") = "9"
    & skf18("6","10","3","2","10","5","1") = "9"
    & skf18("6","10","3","2","10","6","1") = "9"
    & skf18("6","10","3","2","10","7","1") = "9"
    & skf18("6","10","3","2","10","8","1") = "9"
    & skf18("6","10","3","2","10","9","1") = "9"
    & skf18("6","10","3","2","10","10","1") = "9"
    & skf18("6","10","3","3","1","1","1") = "9"
    & skf18("6","10","3","3","1","2","1") = "9"
    & skf18("6","10","3","3","1","3","1") = "9"
    & skf18("6","10","3","3","1","4","1") = "9"
    & skf18("6","10","3","3","1","5","1") = "9"
    & skf18("6","10","3","3","1","6","1") = "9"
    & skf18("6","10","3","3","1","7","1") = "9"
    & skf18("6","10","3","3","1","8","1") = "9"
    & skf18("6","10","3","3","1","9","1") = "9"
    & skf18("6","10","3","3","1","10","1") = "9"
    & skf18("6","10","3","3","2","1","1") = "9"
    & skf18("6","10","3","3","2","2","1") = "9"
    & skf18("6","10","3","3","2","3","1") = "9"
    & skf18("6","10","3","3","2","4","1") = "9"
    & skf18("6","10","3","3","2","5","1") = "9"
    & skf18("6","10","3","3","2","6","1") = "9"
    & skf18("6","10","3","3","2","7","1") = "9"
    & skf18("6","10","3","3","2","8","1") = "9"
    & skf18("6","10","3","3","2","9","1") = "9"
    & skf18("6","10","3","3","2","10","1") = "9"
    & skf18("6","10","3","3","3","1","1") = "9"
    & skf18("6","10","3","3","3","2","1") = "9"
    & skf18("6","10","3","3","3","3","1") = "9"
    & skf18("6","10","3","3","3","4","1") = "9"
    & skf18("6","10","3","3","3","5","1") = "9"
    & skf18("6","10","3","3","3","6","1") = "9"
    & skf18("6","10","3","3","3","7","1") = "9"
    & skf18("6","10","3","3","3","8","1") = "9"
    & skf18("6","10","3","3","3","9","1") = "9"
    & skf18("6","10","3","3","3","10","1") = "9"
    & skf18("6","10","3","3","4","1","1") = "9"
    & skf18("6","10","3","3","4","2","1") = "9"
    & skf18("6","10","3","3","4","3","1") = "9"
    & skf18("6","10","3","3","4","4","1") = "9"
    & skf18("6","10","3","3","4","5","1") = "9"
    & skf18("6","10","3","3","4","6","1") = "9"
    & skf18("6","10","3","3","4","7","1") = "9"
    & skf18("6","10","3","3","4","8","1") = "9"
    & skf18("6","10","3","3","4","9","1") = "9"
    & skf18("6","10","3","3","4","10","1") = "9"
    & skf18("6","10","3","3","5","1","1") = "9"
    & skf18("6","10","3","3","5","2","1") = "9"
    & skf18("6","10","3","3","5","3","1") = "9"
    & skf18("6","10","3","3","5","4","1") = "9"
    & skf18("6","10","3","3","5","5","1") = "9"
    & skf18("6","10","3","3","5","6","1") = "9"
    & skf18("6","10","3","3","5","7","1") = "9"
    & skf18("6","10","3","3","5","8","1") = "9"
    & skf18("6","10","3","3","5","9","1") = "9"
    & skf18("6","10","3","3","5","10","1") = "9"
    & skf18("6","10","3","3","6","1","1") = "9"
    & skf18("6","10","3","3","6","2","1") = "9"
    & skf18("6","10","3","3","6","3","1") = "9"
    & skf18("6","10","3","3","6","4","1") = "9"
    & skf18("6","10","3","3","6","5","1") = "9"
    & skf18("6","10","3","3","6","6","1") = "9"
    & skf18("6","10","3","3","6","7","1") = "9"
    & skf18("6","10","3","3","6","8","1") = "9"
    & skf18("6","10","3","3","6","9","1") = "9"
    & skf18("6","10","3","3","6","10","1") = "9"
    & skf18("6","10","3","3","7","1","1") = "9"
    & skf18("6","10","3","3","7","2","1") = "9"
    & skf18("6","10","3","3","7","3","1") = "9"
    & skf18("6","10","3","3","7","4","1") = "9"
    & skf18("6","10","3","3","7","5","1") = "9"
    & skf18("6","10","3","3","7","6","1") = "9"
    & skf18("6","10","3","3","7","7","1") = "9"
    & skf18("6","10","3","3","7","8","1") = "9"
    & skf18("6","10","3","3","7","9","1") = "9"
    & skf18("6","10","3","3","7","10","1") = "9"
    & skf18("6","10","3","3","8","1","1") = "9"
    & skf18("6","10","3","3","8","2","1") = "9"
    & skf18("6","10","3","3","8","3","1") = "9"
    & skf18("6","10","3","3","8","4","1") = "9"
    & skf18("6","10","3","3","8","5","1") = "9"
    & skf18("6","10","3","3","8","6","1") = "9"
    & skf18("6","10","3","3","8","7","1") = "9"
    & skf18("6","10","3","3","8","8","1") = "9"
    & skf18("6","10","3","3","8","9","1") = "9"
    & skf18("6","10","3","3","8","10","1") = "9"
    & skf18("6","10","3","3","9","1","1") = "9"
    & skf18("6","10","3","3","9","2","1") = "9"
    & skf18("6","10","3","3","9","3","1") = "9"
    & skf18("6","10","3","3","9","4","1") = "9"
    & skf18("6","10","3","3","9","5","1") = "9"
    & skf18("6","10","3","3","9","6","1") = "9"
    & skf18("6","10","3","3","9","7","1") = "9"
    & skf18("6","10","3","3","9","8","1") = "9"
    & skf18("6","10","3","3","9","9","1") = "9"
    & skf18("6","10","3","3","9","10","1") = "9"
    & skf18("6","10","3","3","10","1","1") = "9"
    & skf18("6","10","3","3","10","2","1") = "9"
    & skf18("6","10","3","3","10","3","1") = "9"
    & skf18("6","10","3","3","10","4","1") = "9"
    & skf18("6","10","3","3","10","5","1") = "9"
    & skf18("6","10","3","3","10","6","1") = "9"
    & skf18("6","10","3","3","10","7","1") = "9"
    & skf18("6","10","3","3","10","8","1") = "9"
    & skf18("6","10","3","3","10","9","1") = "9"
    & skf18("6","10","3","3","10","10","1") = "9"
    & skf18("6","10","3","4","1","1","1") = "9"
    & skf18("6","10","3","4","1","2","1") = "9"
    & skf18("6","10","3","4","1","3","1") = "9"
    & skf18("6","10","3","4","1","4","1") = "9"
    & skf18("6","10","3","4","1","5","1") = "9"
    & skf18("6","10","3","4","1","6","1") = "9"
    & skf18("6","10","3","4","1","7","1") = "9"
    & skf18("6","10","3","4","1","8","1") = "9"
    & skf18("6","10","3","4","1","9","1") = "9"
    & skf18("6","10","3","4","1","10","1") = "9"
    & skf18("6","10","3","4","2","1","1") = "9"
    & skf18("6","10","3","4","2","2","1") = "9"
    & skf18("6","10","3","4","2","3","1") = "9"
    & skf18("6","10","3","4","2","4","1") = "9"
    & skf18("6","10","3","4","2","5","1") = "9"
    & skf18("6","10","3","4","2","6","1") = "9"
    & skf18("6","10","3","4","2","7","1") = "9"
    & skf18("6","10","3","4","2","8","1") = "9"
    & skf18("6","10","3","4","2","9","1") = "9"
    & skf18("6","10","3","4","2","10","1") = "9"
    & skf18("6","10","3","4","3","1","1") = "9"
    & skf18("6","10","3","4","3","2","1") = "9"
    & skf18("6","10","3","4","3","3","1") = "9"
    & skf18("6","10","3","4","3","4","1") = "9"
    & skf18("6","10","3","4","3","5","1") = "9"
    & skf18("6","10","3","4","3","6","1") = "9"
    & skf18("6","10","3","4","3","7","1") = "9"
    & skf18("6","10","3","4","3","8","1") = "9"
    & skf18("6","10","3","4","3","9","1") = "9"
    & skf18("6","10","3","4","3","10","1") = "9"
    & skf18("6","10","3","4","4","1","1") = "9"
    & skf18("6","10","3","4","4","2","1") = "9"
    & skf18("6","10","3","4","4","3","1") = "9"
    & skf18("6","10","3","4","4","4","1") = "9"
    & skf18("6","10","3","4","4","5","1") = "9"
    & skf18("6","10","3","4","4","6","1") = "9"
    & skf18("6","10","3","4","4","7","1") = "9"
    & skf18("6","10","3","4","4","8","1") = "9"
    & skf18("6","10","3","4","4","9","1") = "9"
    & skf18("6","10","3","4","4","10","1") = "9"
    & skf18("6","10","3","4","5","1","1") = "9"
    & skf18("6","10","3","4","5","2","1") = "9"
    & skf18("6","10","3","4","5","3","1") = "9"
    & skf18("6","10","3","4","5","4","1") = "9"
    & skf18("6","10","3","4","5","5","1") = "9"
    & skf18("6","10","3","4","5","6","1") = "9"
    & skf18("6","10","3","4","5","7","1") = "9"
    & skf18("6","10","3","4","5","8","1") = "9"
    & skf18("6","10","3","4","5","9","1") = "9"
    & skf18("6","10","3","4","5","10","1") = "9"
    & skf18("6","10","3","4","6","1","1") = "9"
    & skf18("6","10","3","4","6","2","1") = "9"
    & skf18("6","10","3","4","6","3","1") = "9"
    & skf18("6","10","3","4","6","4","1") = "9"
    & skf18("6","10","3","4","6","5","1") = "9"
    & skf18("6","10","3","4","6","6","1") = "9"
    & skf18("6","10","3","4","6","7","1") = "9"
    & skf18("6","10","3","4","6","8","1") = "9"
    & skf18("6","10","3","4","6","9","1") = "9"
    & skf18("6","10","3","4","6","10","1") = "9"
    & skf18("6","10","3","4","7","1","1") = "9"
    & skf18("6","10","3","4","7","2","1") = "9"
    & skf18("6","10","3","4","7","3","1") = "9"
    & skf18("6","10","3","4","7","4","1") = "9"
    & skf18("6","10","3","4","7","5","1") = "9"
    & skf18("6","10","3","4","7","6","1") = "9"
    & skf18("6","10","3","4","7","7","1") = "9"
    & skf18("6","10","3","4","7","8","1") = "9"
    & skf18("6","10","3","4","7","9","1") = "9"
    & skf18("6","10","3","4","7","10","1") = "9"
    & skf18("6","10","3","4","8","1","1") = "9"
    & skf18("6","10","3","4","8","2","1") = "9"
    & skf18("6","10","3","4","8","3","1") = "9"
    & skf18("6","10","3","4","8","4","1") = "9"
    & skf18("6","10","3","4","8","5","1") = "9"
    & skf18("6","10","3","4","8","6","1") = "9"
    & skf18("6","10","3","4","8","7","1") = "9"
    & skf18("6","10","3","4","8","8","1") = "9"
    & skf18("6","10","3","4","8","9","1") = "9"
    & skf18("6","10","3","4","8","10","1") = "9"
    & skf18("6","10","3","4","9","1","1") = "9"
    & skf18("6","10","3","4","9","2","1") = "9"
    & skf18("6","10","3","4","9","3","1") = "9"
    & skf18("6","10","3","4","9","4","1") = "9"
    & skf18("6","10","3","4","9","5","1") = "9"
    & skf18("6","10","3","4","9","6","1") = "9"
    & skf18("6","10","3","4","9","7","1") = "9"
    & skf18("6","10","3","4","9","8","1") = "9"
    & skf18("6","10","3","4","9","9","1") = "9"
    & skf18("6","10","3","4","9","10","1") = "9"
    & skf18("6","10","3","4","10","1","1") = "9"
    & skf18("6","10","3","4","10","2","1") = "9"
    & skf18("6","10","3","4","10","3","1") = "9"
    & skf18("6","10","3","4","10","4","1") = "9"
    & skf18("6","10","3","4","10","5","1") = "9"
    & skf18("6","10","3","4","10","6","1") = "9"
    & skf18("6","10","3","4","10","7","1") = "9"
    & skf18("6","10","3","4","10","8","1") = "9"
    & skf18("6","10","3","4","10","9","1") = "9"
    & skf18("6","10","3","4","10","10","1") = "9"
    & skf18("6","10","3","5","1","1","1") = "9"
    & skf18("6","10","3","5","1","2","1") = "9"
    & skf18("6","10","3","5","1","3","1") = "9"
    & skf18("6","10","3","5","1","4","1") = "9"
    & skf18("6","10","3","5","1","5","1") = "9"
    & skf18("6","10","3","5","1","6","1") = "9"
    & skf18("6","10","3","5","1","7","1") = "9"
    & skf18("6","10","3","5","1","8","1") = "9"
    & skf18("6","10","3","5","1","9","1") = "9"
    & skf18("6","10","3","5","1","10","1") = "9"
    & skf18("6","10","3","5","2","1","1") = "9"
    & skf18("6","10","3","5","2","2","1") = "9"
    & skf18("6","10","3","5","2","3","1") = "9"
    & skf18("6","10","3","5","2","4","1") = "9"
    & skf18("6","10","3","5","2","5","1") = "9"
    & skf18("6","10","3","5","2","6","1") = "9"
    & skf18("6","10","3","5","2","7","1") = "9"
    & skf18("6","10","3","5","2","8","1") = "9"
    & skf18("6","10","3","5","2","9","1") = "9"
    & skf18("6","10","3","5","2","10","1") = "9"
    & skf18("6","10","3","5","3","1","1") = "9"
    & skf18("6","10","3","5","3","2","1") = "9"
    & skf18("6","10","3","5","3","3","1") = "9"
    & skf18("6","10","3","5","3","4","1") = "9"
    & skf18("6","10","3","5","3","5","1") = "9"
    & skf18("6","10","3","5","3","6","1") = "9"
    & skf18("6","10","3","5","3","7","1") = "9"
    & skf18("6","10","3","5","3","8","1") = "9"
    & skf18("6","10","3","5","3","9","1") = "9"
    & skf18("6","10","3","5","3","10","1") = "9"
    & skf18("6","10","3","5","4","1","1") = "9"
    & skf18("6","10","3","5","4","2","1") = "9"
    & skf18("6","10","3","5","4","3","1") = "9"
    & skf18("6","10","3","5","4","4","1") = "9"
    & skf18("6","10","3","5","4","5","1") = "9"
    & skf18("6","10","3","5","4","6","1") = "9"
    & skf18("6","10","3","5","4","7","1") = "9"
    & skf18("6","10","3","5","4","8","1") = "9"
    & skf18("6","10","3","5","4","9","1") = "9"
    & skf18("6","10","3","5","4","10","1") = "9"
    & skf18("6","10","3","5","5","1","1") = "9"
    & skf18("6","10","3","5","5","2","1") = "9"
    & skf18("6","10","3","5","5","3","1") = "9"
    & skf18("6","10","3","5","5","4","1") = "9"
    & skf18("6","10","3","5","5","5","1") = "9"
    & skf18("6","10","3","5","5","6","1") = "9"
    & skf18("6","10","3","5","5","7","1") = "9"
    & skf18("6","10","3","5","5","8","1") = "9"
    & skf18("6","10","3","5","5","9","1") = "9"
    & skf18("6","10","3","5","5","10","1") = "9"
    & skf18("6","10","3","5","6","1","1") = "9"
    & skf18("6","10","3","5","6","2","1") = "9"
    & skf18("6","10","3","5","6","3","1") = "9"
    & skf18("6","10","3","5","6","4","1") = "9"
    & skf18("6","10","3","5","6","5","1") = "9"
    & skf18("6","10","3","5","6","6","1") = "9"
    & skf18("6","10","3","5","6","7","1") = "9"
    & skf18("6","10","3","5","6","8","1") = "9"
    & skf18("6","10","3","5","6","9","1") = "9"
    & skf18("6","10","3","5","6","10","1") = "9"
    & skf18("6","10","3","5","7","1","1") = "9"
    & skf18("6","10","3","5","7","2","1") = "9"
    & skf18("6","10","3","5","7","3","1") = "9"
    & skf18("6","10","3","5","7","4","1") = "9"
    & skf18("6","10","3","5","7","5","1") = "9"
    & skf18("6","10","3","5","7","6","1") = "9"
    & skf18("6","10","3","5","7","7","1") = "9"
    & skf18("6","10","3","5","7","8","1") = "9"
    & skf18("6","10","3","5","7","9","1") = "9"
    & skf18("6","10","3","5","7","10","1") = "9"
    & skf18("6","10","3","5","8","1","1") = "9"
    & skf18("6","10","3","5","8","2","1") = "9"
    & skf18("6","10","3","5","8","3","1") = "9"
    & skf18("6","10","3","5","8","4","1") = "9"
    & skf18("6","10","3","5","8","5","1") = "9"
    & skf18("6","10","3","5","8","6","1") = "9"
    & skf18("6","10","3","5","8","7","1") = "9"
    & skf18("6","10","3","5","8","8","1") = "9"
    & skf18("6","10","3","5","8","9","1") = "9"
    & skf18("6","10","3","5","8","10","1") = "9"
    & skf18("6","10","3","5","9","1","1") = "9"
    & skf18("6","10","3","5","9","2","1") = "9"
    & skf18("6","10","3","5","9","3","1") = "9"
    & skf18("6","10","3","5","9","4","1") = "9"
    & skf18("6","10","3","5","9","5","1") = "9"
    & skf18("6","10","3","5","9","6","1") = "9"
    & skf18("6","10","3","5","9","7","1") = "9"
    & skf18("6","10","3","5","9","8","1") = "9"
    & skf18("6","10","3","5","9","9","1") = "9"
    & skf18("6","10","3","5","9","10","1") = "9"
    & skf18("6","10","3","5","10","1","1") = "9"
    & skf18("6","10","3","5","10","2","1") = "9"
    & skf18("6","10","3","5","10","3","1") = "9"
    & skf18("6","10","3","5","10","4","1") = "9"
    & skf18("6","10","3","5","10","5","1") = "9"
    & skf18("6","10","3","5","10","6","1") = "9"
    & skf18("6","10","3","5","10","7","1") = "9"
    & skf18("6","10","3","5","10","8","1") = "9"
    & skf18("6","10","3","5","10","9","1") = "9"
    & skf18("6","10","3","5","10","10","1") = "9"
    & skf18("6","10","3","6","1","1","1") = "9"
    & skf18("6","10","3","6","1","2","1") = "9"
    & skf18("6","10","3","6","1","3","1") = "9"
    & skf18("6","10","3","6","1","4","1") = "9"
    & skf18("6","10","3","6","1","5","1") = "9"
    & skf18("6","10","3","6","1","6","1") = "9"
    & skf18("6","10","3","6","1","7","1") = "9"
    & skf18("6","10","3","6","1","8","1") = "9"
    & skf18("6","10","3","6","1","9","1") = "9"
    & skf18("6","10","3","6","1","10","1") = "9"
    & skf18("6","10","3","6","2","1","1") = "9"
    & skf18("6","10","3","6","2","2","1") = "9"
    & skf18("6","10","3","6","2","3","1") = "9"
    & skf18("6","10","3","6","2","4","1") = "9"
    & skf18("6","10","3","6","2","5","1") = "9"
    & skf18("6","10","3","6","2","6","1") = "9"
    & skf18("6","10","3","6","2","7","1") = "9"
    & skf18("6","10","3","6","2","8","1") = "9"
    & skf18("6","10","3","6","2","9","1") = "9"
    & skf18("6","10","3","6","2","10","1") = "9"
    & skf18("6","10","3","6","3","1","1") = "9"
    & skf18("6","10","3","6","3","2","1") = "9"
    & skf18("6","10","3","6","3","3","1") = "9"
    & skf18("6","10","3","6","3","4","1") = "9"
    & skf18("6","10","3","6","3","5","1") = "9"
    & skf18("6","10","3","6","3","6","1") = "9"
    & skf18("6","10","3","6","3","7","1") = "9"
    & skf18("6","10","3","6","3","8","1") = "9"
    & skf18("6","10","3","6","3","9","1") = "9"
    & skf18("6","10","3","6","3","10","1") = "9"
    & skf18("6","10","3","6","4","1","1") = "9"
    & skf18("6","10","3","6","4","2","1") = "9"
    & skf18("6","10","3","6","4","3","1") = "9"
    & skf18("6","10","3","6","4","4","1") = "9"
    & skf18("6","10","3","6","4","5","1") = "9"
    & skf18("6","10","3","6","4","6","1") = "9"
    & skf18("6","10","3","6","4","7","1") = "9"
    & skf18("6","10","3","6","4","8","1") = "9"
    & skf18("6","10","3","6","4","9","1") = "9"
    & skf18("6","10","3","6","4","10","1") = "9"
    & skf18("6","10","3","6","5","1","1") = "9"
    & skf18("6","10","3","6","5","2","1") = "9"
    & skf18("6","10","3","6","5","3","1") = "9"
    & skf18("6","10","3","6","5","4","1") = "9"
    & skf18("6","10","3","6","5","5","1") = "9"
    & skf18("6","10","3","6","5","6","1") = "9"
    & skf18("6","10","3","6","5","7","1") = "9"
    & skf18("6","10","3","6","5","8","1") = "9"
    & skf18("6","10","3","6","5","9","1") = "9"
    & skf18("6","10","3","6","5","10","1") = "9"
    & skf18("6","10","3","6","6","1","1") = "9"
    & skf18("6","10","3","6","6","2","1") = "9"
    & skf18("6","10","3","6","6","3","1") = "9"
    & skf18("6","10","3","6","6","4","1") = "9"
    & skf18("6","10","3","6","6","5","1") = "9"
    & skf18("6","10","3","6","6","6","1") = "9"
    & skf18("6","10","3","6","6","7","1") = "9"
    & skf18("6","10","3","6","6","8","1") = "9"
    & skf18("6","10","3","6","6","9","1") = "9"
    & skf18("6","10","3","6","6","10","1") = "9"
    & skf18("6","10","3","6","7","1","1") = "9"
    & skf18("6","10","3","6","7","2","1") = "9"
    & skf18("6","10","3","6","7","3","1") = "9"
    & skf18("6","10","3","6","7","4","1") = "9"
    & skf18("6","10","3","6","7","5","1") = "9"
    & skf18("6","10","3","6","7","6","1") = "9"
    & skf18("6","10","3","6","7","7","1") = "9"
    & skf18("6","10","3","6","7","8","1") = "9"
    & skf18("6","10","3","6","7","9","1") = "9"
    & skf18("6","10","3","6","7","10","1") = "9"
    & skf18("6","10","3","6","8","1","1") = "9"
    & skf18("6","10","3","6","8","2","1") = "9"
    & skf18("6","10","3","6","8","3","1") = "9"
    & skf18("6","10","3","6","8","4","1") = "9"
    & skf18("6","10","3","6","8","5","1") = "9"
    & skf18("6","10","3","6","8","6","1") = "9"
    & skf18("6","10","3","6","8","7","1") = "9"
    & skf18("6","10","3","6","8","8","1") = "9"
    & skf18("6","10","3","6","8","9","1") = "9"
    & skf18("6","10","3","6","8","10","1") = "9"
    & skf18("6","10","3","6","9","1","1") = "9"
    & skf18("6","10","3","6","9","2","1") = "9"
    & skf18("6","10","3","6","9","3","1") = "9"
    & skf18("6","10","3","6","9","4","1") = "9"
    & skf18("6","10","3","6","9","5","1") = "9"
    & skf18("6","10","3","6","9","6","1") = "9"
    & skf18("6","10","3","6","9","7","1") = "9"
    & skf18("6","10","3","6","9","8","1") = "9"
    & skf18("6","10","3","6","9","9","1") = "9"
    & skf18("6","10","3","6","9","10","1") = "9"
    & skf18("6","10","3","6","10","1","1") = "9"
    & skf18("6","10","3","6","10","2","1") = "9"
    & skf18("6","10","3","6","10","3","1") = "9"
    & skf18("6","10","3","6","10","4","1") = "9"
    & skf18("6","10","3","6","10","5","1") = "9"
    & skf18("6","10","3","6","10","6","1") = "9"
    & skf18("6","10","3","6","10","7","1") = "9"
    & skf18("6","10","3","6","10","8","1") = "9"
    & skf18("6","10","3","6","10","9","1") = "9"
    & skf18("6","10","3","6","10","10","1") = "9"
    & skf18("6","10","3","7","1","1","1") = "9"
    & skf18("6","10","3","7","1","2","1") = "9"
    & skf18("6","10","3","7","1","3","1") = "9"
    & skf18("6","10","3","7","1","4","1") = "9"
    & skf18("6","10","3","7","1","5","1") = "9"
    & skf18("6","10","3","7","1","6","1") = "9"
    & skf18("6","10","3","7","1","7","1") = "9"
    & skf18("6","10","3","7","1","8","1") = "9"
    & skf18("6","10","3","7","1","9","1") = "9"
    & skf18("6","10","3","7","1","10","1") = "9"
    & skf18("6","10","3","7","2","1","1") = "9"
    & skf18("6","10","3","7","2","2","1") = "9"
    & skf18("6","10","3","7","2","3","1") = "9"
    & skf18("6","10","3","7","2","4","1") = "9"
    & skf18("6","10","3","7","2","5","1") = "9"
    & skf18("6","10","3","7","2","6","1") = "9"
    & skf18("6","10","3","7","2","7","1") = "9"
    & skf18("6","10","3","7","2","8","1") = "9"
    & skf18("6","10","3","7","2","9","1") = "9"
    & skf18("6","10","3","7","2","10","1") = "9"
    & skf18("6","10","3","7","3","1","1") = "9"
    & skf18("6","10","3","7","3","2","1") = "9"
    & skf18("6","10","3","7","3","3","1") = "9"
    & skf18("6","10","3","7","3","4","1") = "9"
    & skf18("6","10","3","7","3","5","1") = "9"
    & skf18("6","10","3","7","3","6","1") = "9"
    & skf18("6","10","3","7","3","7","1") = "9"
    & skf18("6","10","3","7","3","8","1") = "9"
    & skf18("6","10","3","7","3","9","1") = "9"
    & skf18("6","10","3","7","3","10","1") = "9"
    & skf18("6","10","3","7","4","1","1") = "9"
    & skf18("6","10","3","7","4","2","1") = "9"
    & skf18("6","10","3","7","4","3","1") = "9"
    & skf18("6","10","3","7","4","4","1") = "9"
    & skf18("6","10","3","7","4","5","1") = "9"
    & skf18("6","10","3","7","4","6","1") = "9"
    & skf18("6","10","3","7","4","7","1") = "9"
    & skf18("6","10","3","7","4","8","1") = "9"
    & skf18("6","10","3","7","4","9","1") = "9"
    & skf18("6","10","3","7","4","10","1") = "9"
    & skf18("6","10","3","7","5","1","1") = "9"
    & skf18("6","10","3","7","5","2","1") = "9"
    & skf18("6","10","3","7","5","3","1") = "9"
    & skf18("6","10","3","7","5","4","1") = "9"
    & skf18("6","10","3","7","5","5","1") = "9"
    & skf18("6","10","3","7","5","6","1") = "9"
    & skf18("6","10","3","7","5","7","1") = "9"
    & skf18("6","10","3","7","5","8","1") = "9"
    & skf18("6","10","3","7","5","9","1") = "9"
    & skf18("6","10","3","7","5","10","1") = "9"
    & skf18("6","10","3","7","6","1","1") = "9"
    & skf18("6","10","3","7","6","2","1") = "9"
    & skf18("6","10","3","7","6","3","1") = "9"
    & skf18("6","10","3","7","6","4","1") = "9"
    & skf18("6","10","3","7","6","5","1") = "9"
    & skf18("6","10","3","7","6","6","1") = "9"
    & skf18("6","10","3","7","6","7","1") = "9"
    & skf18("6","10","3","7","6","8","1") = "9"
    & skf18("6","10","3","7","6","9","1") = "9"
    & skf18("6","10","3","7","6","10","1") = "9"
    & skf18("6","10","3","7","7","1","1") = "9"
    & skf18("6","10","3","7","7","2","1") = "9"
    & skf18("6","10","3","7","7","3","1") = "9"
    & skf18("6","10","3","7","7","4","1") = "9"
    & skf18("6","10","3","7","7","5","1") = "9"
    & skf18("6","10","3","7","7","6","1") = "9"
    & skf18("6","10","3","7","7","7","1") = "9"
    & skf18("6","10","3","7","7","8","1") = "9"
    & skf18("6","10","3","7","7","9","1") = "9"
    & skf18("6","10","3","7","7","10","1") = "9"
    & skf18("6","10","3","7","8","1","1") = "9"
    & skf18("6","10","3","7","8","2","1") = "9"
    & skf18("6","10","3","7","8","3","1") = "9"
    & skf18("6","10","3","7","8","4","1") = "9"
    & skf18("6","10","3","7","8","5","1") = "9"
    & skf18("6","10","3","7","8","6","1") = "9"
    & skf18("6","10","3","7","8","7","1") = "9"
    & skf18("6","10","3","7","8","8","1") = "9"
    & skf18("6","10","3","7","8","9","1") = "9"
    & skf18("6","10","3","7","8","10","1") = "9"
    & skf18("6","10","3","7","9","1","1") = "9"
    & skf18("6","10","3","7","9","2","1") = "9"
    & skf18("6","10","3","7","9","3","1") = "9"
    & skf18("6","10","3","7","9","4","1") = "9"
    & skf18("6","10","3","7","9","5","1") = "9"
    & skf18("6","10","3","7","9","6","1") = "9"
    & skf18("6","10","3","7","9","7","1") = "9"
    & skf18("6","10","3","7","9","8","1") = "9"
    & skf18("6","10","3","7","9","9","1") = "9"
    & skf18("6","10","3","7","9","10","1") = "9"
    & skf18("6","10","3","7","10","1","1") = "9"
    & skf18("6","10","3","7","10","2","1") = "9"
    & skf18("6","10","3","7","10","3","1") = "9"
    & skf18("6","10","3","7","10","4","1") = "9"
    & skf18("6","10","3","7","10","5","1") = "9"
    & skf18("6","10","3","7","10","6","1") = "9"
    & skf18("6","10","3","7","10","7","1") = "9"
    & skf18("6","10","3","7","10","8","1") = "9"
    & skf18("6","10","3","7","10","9","1") = "9"
    & skf18("6","10","3","7","10","10","1") = "9"
    & skf18("6","10","3","8","1","1","1") = "9"
    & skf18("6","10","3","8","1","2","1") = "9"
    & skf18("6","10","3","8","1","3","1") = "9"
    & skf18("6","10","3","8","1","4","1") = "9"
    & skf18("6","10","3","8","1","5","1") = "9"
    & skf18("6","10","3","8","1","6","1") = "9"
    & skf18("6","10","3","8","1","7","1") = "9"
    & skf18("6","10","3","8","1","8","1") = "9"
    & skf18("6","10","3","8","1","9","1") = "9"
    & skf18("6","10","3","8","1","10","1") = "9"
    & skf18("6","10","3","8","2","1","1") = "9"
    & skf18("6","10","3","8","2","2","1") = "9"
    & skf18("6","10","3","8","2","3","1") = "9"
    & skf18("6","10","3","8","2","4","1") = "9"
    & skf18("6","10","3","8","2","5","1") = "9"
    & skf18("6","10","3","8","2","6","1") = "9"
    & skf18("6","10","3","8","2","7","1") = "9"
    & skf18("6","10","3","8","2","8","1") = "9"
    & skf18("6","10","3","8","2","9","1") = "9"
    & skf18("6","10","3","8","2","10","1") = "9"
    & skf18("6","10","3","8","3","1","1") = "9"
    & skf18("6","10","3","8","3","2","1") = "9"
    & skf18("6","10","3","8","3","3","1") = "9"
    & skf18("6","10","3","8","3","4","1") = "9"
    & skf18("6","10","3","8","3","5","1") = "9"
    & skf18("6","10","3","8","3","6","1") = "9"
    & skf18("6","10","3","8","3","7","1") = "9"
    & skf18("6","10","3","8","3","8","1") = "9"
    & skf18("6","10","3","8","3","9","1") = "9"
    & skf18("6","10","3","8","3","10","1") = "9"
    & skf18("6","10","3","8","4","1","1") = "9"
    & skf18("6","10","3","8","4","2","1") = "9"
    & skf18("6","10","3","8","4","3","1") = "9"
    & skf18("6","10","3","8","4","4","1") = "9"
    & skf18("6","10","3","8","4","5","1") = "9"
    & skf18("6","10","3","8","4","6","1") = "9"
    & skf18("6","10","3","8","4","7","1") = "9"
    & skf18("6","10","3","8","4","8","1") = "9"
    & skf18("6","10","3","8","4","9","1") = "9"
    & skf18("6","10","3","8","4","10","1") = "9"
    & skf18("6","10","3","8","5","1","1") = "9"
    & skf18("6","10","3","8","5","2","1") = "9"
    & skf18("6","10","3","8","5","3","1") = "9"
    & skf18("6","10","3","8","5","4","1") = "9"
    & skf18("6","10","3","8","5","5","1") = "9"
    & skf18("6","10","3","8","5","6","1") = "9"
    & skf18("6","10","3","8","5","7","1") = "9"
    & skf18("6","10","3","8","5","8","1") = "9"
    & skf18("6","10","3","8","5","9","1") = "9"
    & skf18("6","10","3","8","5","10","1") = "9"
    & skf18("6","10","3","8","6","1","1") = "9"
    & skf18("6","10","3","8","6","2","1") = "9"
    & skf18("6","10","3","8","6","3","1") = "9"
    & skf18("6","10","3","8","6","4","1") = "9"
    & skf18("6","10","3","8","6","5","1") = "9"
    & skf18("6","10","3","8","6","6","1") = "9"
    & skf18("6","10","3","8","6","7","1") = "9"
    & skf18("6","10","3","8","6","8","1") = "9"
    & skf18("6","10","3","8","6","9","1") = "9"
    & skf18("6","10","3","8","6","10","1") = "9"
    & skf18("6","10","3","8","7","1","1") = "9"
    & skf18("6","10","3","8","7","2","1") = "9"
    & skf18("6","10","3","8","7","3","1") = "9"
    & skf18("6","10","3","8","7","4","1") = "9"
    & skf18("6","10","3","8","7","5","1") = "9"
    & skf18("6","10","3","8","7","6","1") = "9"
    & skf18("6","10","3","8","7","7","1") = "9"
    & skf18("6","10","3","8","7","8","1") = "9"
    & skf18("6","10","3","8","7","9","1") = "9"
    & skf18("6","10","3","8","7","10","1") = "9"
    & skf18("6","10","3","8","8","1","1") = "9"
    & skf18("6","10","3","8","8","2","1") = "9"
    & skf18("6","10","3","8","8","3","1") = "9"
    & skf18("6","10","3","8","8","4","1") = "9"
    & skf18("6","10","3","8","8","5","1") = "9"
    & skf18("6","10","3","8","8","6","1") = "9"
    & skf18("6","10","3","8","8","7","1") = "9"
    & skf18("6","10","3","8","8","8","1") = "9"
    & skf18("6","10","3","8","8","9","1") = "9"
    & skf18("6","10","3","8","8","10","1") = "9"
    & skf18("6","10","3","8","9","1","1") = "9"
    & skf18("6","10","3","8","9","2","1") = "9"
    & skf18("6","10","3","8","9","3","1") = "9"
    & skf18("6","10","3","8","9","4","1") = "9"
    & skf18("6","10","3","8","9","5","1") = "9"
    & skf18("6","10","3","8","9","6","1") = "9"
    & skf18("6","10","3","8","9","7","1") = "9"
    & skf18("6","10","3","8","9","8","1") = "9"
    & skf18("6","10","3","8","9","9","1") = "9"
    & skf18("6","10","3","8","9","10","1") = "9"
    & skf18("6","10","3","8","10","1","1") = "9"
    & skf18("6","10","3","8","10","2","1") = "9"
    & skf18("6","10","3","8","10","3","1") = "9"
    & skf18("6","10","3","8","10","4","1") = "9"
    & skf18("6","10","3","8","10","5","1") = "9"
    & skf18("6","10","3","8","10","6","1") = "9"
    & skf18("6","10","3","8","10","7","1") = "9"
    & skf18("6","10","3","8","10","8","1") = "9"
    & skf18("6","10","3","8","10","9","1") = "9"
    & skf18("6","10","3","8","10","10","1") = "9"
    & skf18("6","10","3","9","1","1","1") = "9"
    & skf18("6","10","3","9","1","2","1") = "9"
    & skf18("6","10","3","9","1","3","1") = "9"
    & skf18("6","10","3","9","1","4","1") = "9"
    & skf18("6","10","3","9","1","5","1") = "9"
    & skf18("6","10","3","9","1","6","1") = "9"
    & skf18("6","10","3","9","1","7","1") = "9"
    & skf18("6","10","3","9","1","8","1") = "9"
    & skf18("6","10","3","9","1","9","1") = "9"
    & skf18("6","10","3","9","1","10","1") = "9"
    & skf18("6","10","3","9","2","1","1") = "9"
    & skf18("6","10","3","9","2","2","1") = "9"
    & skf18("6","10","3","9","2","3","1") = "9"
    & skf18("6","10","3","9","2","4","1") = "9"
    & skf18("6","10","3","9","2","5","1") = "9"
    & skf18("6","10","3","9","2","6","1") = "9"
    & skf18("6","10","3","9","2","7","1") = "9"
    & skf18("6","10","3","9","2","8","1") = "9"
    & skf18("6","10","3","9","2","9","1") = "9"
    & skf18("6","10","3","9","2","10","1") = "9"
    & skf18("6","10","3","9","3","1","1") = "9"
    & skf18("6","10","3","9","3","2","1") = "9"
    & skf18("6","10","3","9","3","3","1") = "9"
    & skf18("6","10","3","9","3","4","1") = "9"
    & skf18("6","10","3","9","3","5","1") = "9"
    & skf18("6","10","3","9","3","6","1") = "9"
    & skf18("6","10","3","9","3","7","1") = "9"
    & skf18("6","10","3","9","3","8","1") = "9"
    & skf18("6","10","3","9","3","9","1") = "9"
    & skf18("6","10","3","9","3","10","1") = "9"
    & skf18("6","10","3","9","4","1","1") = "9"
    & skf18("6","10","3","9","4","2","1") = "9"
    & skf18("6","10","3","9","4","3","1") = "9"
    & skf18("6","10","3","9","4","4","1") = "9"
    & skf18("6","10","3","9","4","5","1") = "9"
    & skf18("6","10","3","9","4","6","1") = "9"
    & skf18("6","10","3","9","4","7","1") = "9"
    & skf18("6","10","3","9","4","8","1") = "9"
    & skf18("6","10","3","9","4","9","1") = "9"
    & skf18("6","10","3","9","4","10","1") = "9"
    & skf18("6","10","3","9","5","1","1") = "9"
    & skf18("6","10","3","9","5","2","1") = "9"
    & skf18("6","10","3","9","5","3","1") = "9"
    & skf18("6","10","3","9","5","4","1") = "9"
    & skf18("6","10","3","9","5","5","1") = "9"
    & skf18("6","10","3","9","5","6","1") = "9"
    & skf18("6","10","3","9","5","7","1") = "9"
    & skf18("6","10","3","9","5","8","1") = "9"
    & skf18("6","10","3","9","5","9","1") = "9"
    & skf18("6","10","3","9","5","10","1") = "9"
    & skf18("6","10","3","9","6","1","1") = "9"
    & skf18("6","10","3","9","6","2","1") = "9"
    & skf18("6","10","3","9","6","3","1") = "9"
    & skf18("6","10","3","9","6","4","1") = "9"
    & skf18("6","10","3","9","6","5","1") = "9"
    & skf18("6","10","3","9","6","6","1") = "9"
    & skf18("6","10","3","9","6","7","1") = "9"
    & skf18("6","10","3","9","6","8","1") = "9"
    & skf18("6","10","3","9","6","9","1") = "9"
    & skf18("6","10","3","9","6","10","1") = "9"
    & skf18("6","10","3","9","7","1","1") = "9"
    & skf18("6","10","3","9","7","2","1") = "9"
    & skf18("6","10","3","9","7","3","1") = "9"
    & skf18("6","10","3","9","7","4","1") = "9"
    & skf18("6","10","3","9","7","5","1") = "9"
    & skf18("6","10","3","9","7","6","1") = "9"
    & skf18("6","10","3","9","7","7","1") = "9"
    & skf18("6","10","3","9","7","8","1") = "9"
    & skf18("6","10","3","9","7","9","1") = "9"
    & skf18("6","10","3","9","7","10","1") = "9"
    & skf18("6","10","3","9","8","1","1") = "9"
    & skf18("6","10","3","9","8","2","1") = "9"
    & skf18("6","10","3","9","8","3","1") = "9"
    & skf18("6","10","3","9","8","4","1") = "9"
    & skf18("6","10","3","9","8","5","1") = "9"
    & skf18("6","10","3","9","8","6","1") = "9"
    & skf18("6","10","3","9","8","7","1") = "9"
    & skf18("6","10","3","9","8","8","1") = "9"
    & skf18("6","10","3","9","8","9","1") = "9"
    & skf18("6","10","3","9","8","10","1") = "9"
    & skf18("6","10","3","9","9","1","1") = "9"
    & skf18("6","10","3","9","9","2","1") = "9"
    & skf18("6","10","3","9","9","3","1") = "9"
    & skf18("6","10","3","9","9","4","1") = "9"
    & skf18("6","10","3","9","9","5","1") = "9"
    & skf18("6","10","3","9","9","6","1") = "9"
    & skf18("6","10","3","9","9","7","1") = "9"
    & skf18("6","10","3","9","9","8","1") = "9"
    & skf18("6","10","3","9","9","9","1") = "9"
    & skf18("6","10","3","9","9","10","1") = "9"
    & skf18("6","10","3","9","10","1","1") = "9"
    & skf18("6","10","3","9","10","2","1") = "9"
    & skf18("6","10","3","9","10","3","1") = "9"
    & skf18("6","10","3","9","10","4","1") = "9"
    & skf18("6","10","3","9","10","5","1") = "9"
    & skf18("6","10","3","9","10","6","1") = "9"
    & skf18("6","10","3","9","10","7","1") = "9"
    & skf18("6","10","3","9","10","8","1") = "9"
    & skf18("6","10","3","9","10","9","1") = "9"
    & skf18("6","10","3","9","10","10","1") = "9"
    & skf18("6","10","3","10","1","1","1") = "9"
    & skf18("6","10","3","10","1","2","1") = "9"
    & skf18("6","10","3","10","1","3","1") = "9"
    & skf18("6","10","3","10","1","4","1") = "9"
    & skf18("6","10","3","10","1","5","1") = "9"
    & skf18("6","10","3","10","1","6","1") = "9"
    & skf18("6","10","3","10","1","7","1") = "9"
    & skf18("6","10","3","10","1","8","1") = "9"
    & skf18("6","10","3","10","1","9","1") = "9"
    & skf18("6","10","3","10","1","10","1") = "9"
    & skf18("6","10","3","10","2","1","1") = "9"
    & skf18("6","10","3","10","2","2","1") = "9"
    & skf18("6","10","3","10","2","3","1") = "9"
    & skf18("6","10","3","10","2","4","1") = "9"
    & skf18("6","10","3","10","2","5","1") = "9"
    & skf18("6","10","3","10","2","6","1") = "9"
    & skf18("6","10","3","10","2","7","1") = "9"
    & skf18("6","10","3","10","2","8","1") = "9"
    & skf18("6","10","3","10","2","9","1") = "9"
    & skf18("6","10","3","10","2","10","1") = "9"
    & skf18("6","10","3","10","3","1","1") = "9"
    & skf18("6","10","3","10","3","2","1") = "9"
    & skf18("6","10","3","10","3","3","1") = "9"
    & skf18("6","10","3","10","3","4","1") = "9"
    & skf18("6","10","3","10","3","5","1") = "9"
    & skf18("6","10","3","10","3","6","1") = "9"
    & skf18("6","10","3","10","3","7","1") = "9"
    & skf18("6","10","3","10","3","8","1") = "9"
    & skf18("6","10","3","10","3","9","1") = "9"
    & skf18("6","10","3","10","3","10","1") = "9"
    & skf18("6","10","3","10","4","1","1") = "9"
    & skf18("6","10","3","10","4","2","1") = "9"
    & skf18("6","10","3","10","4","3","1") = "9"
    & skf18("6","10","3","10","4","4","1") = "9"
    & skf18("6","10","3","10","4","5","1") = "9"
    & skf18("6","10","3","10","4","6","1") = "9"
    & skf18("6","10","3","10","4","7","1") = "9"
    & skf18("6","10","3","10","4","8","1") = "9"
    & skf18("6","10","3","10","4","9","1") = "9"
    & skf18("6","10","3","10","4","10","1") = "9"
    & skf18("6","10","3","10","5","1","1") = "9"
    & skf18("6","10","3","10","5","2","1") = "9"
    & skf18("6","10","3","10","5","3","1") = "9"
    & skf18("6","10","3","10","5","4","1") = "9"
    & skf18("6","10","3","10","5","5","1") = "9"
    & skf18("6","10","3","10","5","6","1") = "9"
    & skf18("6","10","3","10","5","7","1") = "9"
    & skf18("6","10","3","10","5","8","1") = "9"
    & skf18("6","10","3","10","5","9","1") = "9"
    & skf18("6","10","3","10","5","10","1") = "9"
    & skf18("6","10","3","10","6","1","1") = "9"
    & skf18("6","10","3","10","6","2","1") = "9"
    & skf18("6","10","3","10","6","3","1") = "9"
    & skf18("6","10","3","10","6","4","1") = "9"
    & skf18("6","10","3","10","6","5","1") = "9"
    & skf18("6","10","3","10","6","6","1") = "9"
    & skf18("6","10","3","10","6","7","1") = "9"
    & skf18("6","10","3","10","6","8","1") = "9"
    & skf18("6","10","3","10","6","9","1") = "9"
    & skf18("6","10","3","10","6","10","1") = "9"
    & skf18("6","10","3","10","7","1","1") = "9"
    & skf18("6","10","3","10","7","2","1") = "9"
    & skf18("6","10","3","10","7","3","1") = "9"
    & skf18("6","10","3","10","7","4","1") = "9"
    & skf18("6","10","3","10","7","5","1") = "9"
    & skf18("6","10","3","10","7","6","1") = "9"
    & skf18("6","10","3","10","7","7","1") = "9"
    & skf18("6","10","3","10","7","8","1") = "9"
    & skf18("6","10","3","10","7","9","1") = "9"
    & skf18("6","10","3","10","7","10","1") = "9"
    & skf18("6","10","3","10","8","1","1") = "9"
    & skf18("6","10","3","10","8","2","1") = "9"
    & skf18("6","10","3","10","8","3","1") = "9"
    & skf18("6","10","3","10","8","4","1") = "9"
    & skf18("6","10","3","10","8","5","1") = "9"
    & skf18("6","10","3","10","8","6","1") = "9"
    & skf18("6","10","3","10","8","7","1") = "9"
    & skf18("6","10","3","10","8","8","1") = "9"
    & skf18("6","10","3","10","8","9","1") = "9"
    & skf18("6","10","3","10","8","10","1") = "9"
    & skf18("6","10","3","10","9","1","1") = "9"
    & skf18("6","10","3","10","9","2","1") = "9"
    & skf18("6","10","3","10","9","3","1") = "9"
    & skf18("6","10","3","10","9","4","1") = "9"
    & skf18("6","10","3","10","9","5","1") = "9"
    & skf18("6","10","3","10","9","6","1") = "9"
    & skf18("6","10","3","10","9","7","1") = "9"
    & skf18("6","10","3","10","9","8","1") = "9"
    & skf18("6","10","3","10","9","9","1") = "9"
    & skf18("6","10","3","10","9","10","1") = "9"
    & skf18("6","10","3","10","10","1","1") = "9"
    & skf18("6","10","3","10","10","2","1") = "9"
    & skf18("6","10","3","10","10","3","1") = "9"
    & skf18("6","10","3","10","10","4","1") = "9"
    & skf18("6","10","3","10","10","5","1") = "9"
    & skf18("6","10","3","10","10","6","1") = "9"
    & skf18("6","10","3","10","10","7","1") = "9"
    & skf18("6","10","3","10","10","8","1") = "9"
    & skf18("6","10","3","10","10","9","1") = "9"
    & skf18("6","10","3","10","10","10","1") = "9"
    & skf18("6","10","4","1","1","1","1") = "9"
    & skf18("6","10","4","1","1","2","1") = "9"
    & skf18("6","10","4","1","1","3","1") = "9"
    & skf18("6","10","4","1","1","4","1") = "9"
    & skf18("6","10","4","1","1","5","1") = "9"
    & skf18("6","10","4","1","1","6","1") = "9"
    & skf18("6","10","4","1","1","7","1") = "9"
    & skf18("6","10","4","1","1","8","1") = "9"
    & skf18("6","10","4","1","1","9","1") = "9"
    & skf18("6","10","4","1","1","10","1") = "9"
    & skf18("6","10","4","1","2","1","1") = "9"
    & skf18("6","10","4","1","2","2","1") = "9"
    & skf18("6","10","4","1","2","3","1") = "9"
    & skf18("6","10","4","1","2","4","1") = "9"
    & skf18("6","10","4","1","2","5","1") = "9"
    & skf18("6","10","4","1","2","6","1") = "9"
    & skf18("6","10","4","1","2","7","1") = "9"
    & skf18("6","10","4","1","2","8","1") = "9"
    & skf18("6","10","4","1","2","9","1") = "9"
    & skf18("6","10","4","1","2","10","1") = "9"
    & skf18("6","10","4","1","3","1","1") = "9"
    & skf18("6","10","4","1","3","2","1") = "9"
    & skf18("6","10","4","1","3","3","1") = "9"
    & skf18("6","10","4","1","3","4","1") = "9"
    & skf18("6","10","4","1","3","5","1") = "9"
    & skf18("6","10","4","1","3","6","1") = "9"
    & skf18("6","10","4","1","3","7","1") = "9"
    & skf18("6","10","4","1","3","8","1") = "9"
    & skf18("6","10","4","1","3","9","1") = "9"
    & skf18("6","10","4","1","3","10","1") = "9"
    & skf18("6","10","4","1","4","1","1") = "9"
    & skf18("6","10","4","1","4","2","1") = "9"
    & skf18("6","10","4","1","4","3","1") = "9"
    & skf18("6","10","4","1","4","4","1") = "9"
    & skf18("6","10","4","1","4","5","1") = "9"
    & skf18("6","10","4","1","4","6","1") = "9"
    & skf18("6","10","4","1","4","7","1") = "9"
    & skf18("6","10","4","1","4","8","1") = "9"
    & skf18("6","10","4","1","4","9","1") = "9"
    & skf18("6","10","4","1","4","10","1") = "9"
    & skf18("6","10","4","1","5","1","1") = "9"
    & skf18("6","10","4","1","5","2","1") = "9"
    & skf18("6","10","4","1","5","3","1") = "9"
    & skf18("6","10","4","1","5","4","1") = "9"
    & skf18("6","10","4","1","5","5","1") = "9"
    & skf18("6","10","4","1","5","6","1") = "9"
    & skf18("6","10","4","1","5","7","1") = "9"
    & skf18("6","10","4","1","5","8","1") = "9"
    & skf18("6","10","4","1","5","9","1") = "9"
    & skf18("6","10","4","1","5","10","1") = "9"
    & skf18("6","10","4","1","6","1","1") = "9"
    & skf18("6","10","4","1","6","2","1") = "9"
    & skf18("6","10","4","1","6","3","1") = "9"
    & skf18("6","10","4","1","6","4","1") = "9"
    & skf18("6","10","4","1","6","5","1") = "9"
    & skf18("6","10","4","1","6","6","1") = "9"
    & skf18("6","10","4","1","6","7","1") = "9"
    & skf18("6","10","4","1","6","8","1") = "9"
    & skf18("6","10","4","1","6","9","1") = "9"
    & skf18("6","10","4","1","6","10","1") = "9"
    & skf18("6","10","4","1","7","1","1") = "9"
    & skf18("6","10","4","1","7","2","1") = "9"
    & skf18("6","10","4","1","7","3","1") = "9"
    & skf18("6","10","4","1","7","4","1") = "9"
    & skf18("6","10","4","1","7","5","1") = "9"
    & skf18("6","10","4","1","7","6","1") = "9"
    & skf18("6","10","4","1","7","7","1") = "9"
    & skf18("6","10","4","1","7","8","1") = "9"
    & skf18("6","10","4","1","7","9","1") = "9"
    & skf18("6","10","4","1","7","10","1") = "9"
    & skf18("6","10","4","1","8","1","1") = "9"
    & skf18("6","10","4","1","8","2","1") = "9"
    & skf18("6","10","4","1","8","3","1") = "9"
    & skf18("6","10","4","1","8","4","1") = "9"
    & skf18("6","10","4","1","8","5","1") = "9"
    & skf18("6","10","4","1","8","6","1") = "9"
    & skf18("6","10","4","1","8","7","1") = "9"
    & skf18("6","10","4","1","8","8","1") = "9"
    & skf18("6","10","4","1","8","9","1") = "9"
    & skf18("6","10","4","1","8","10","1") = "9"
    & skf18("6","10","4","1","9","1","1") = "9"
    & skf18("6","10","4","1","9","2","1") = "9"
    & skf18("6","10","4","1","9","3","1") = "9"
    & skf18("6","10","4","1","9","4","1") = "9"
    & skf18("6","10","4","1","9","5","1") = "9"
    & skf18("6","10","4","1","9","6","1") = "9"
    & skf18("6","10","4","1","9","7","1") = "9"
    & skf18("6","10","4","1","9","8","1") = "9"
    & skf18("6","10","4","1","9","9","1") = "9"
    & skf18("6","10","4","1","9","10","1") = "9"
    & skf18("6","10","4","1","10","1","1") = "9"
    & skf18("6","10","4","1","10","2","1") = "9"
    & skf18("6","10","4","1","10","3","1") = "9"
    & skf18("6","10","4","1","10","4","1") = "9"
    & skf18("6","10","4","1","10","5","1") = "9"
    & skf18("6","10","4","1","10","6","1") = "9"
    & skf18("6","10","4","1","10","7","1") = "9"
    & skf18("6","10","4","1","10","8","1") = "9"
    & skf18("6","10","4","1","10","9","1") = "9"
    & skf18("6","10","4","1","10","10","1") = "9"
    & skf18("6","10","4","2","1","1","1") = "9"
    & skf18("6","10","4","2","1","2","1") = "9"
    & skf18("6","10","4","2","1","3","1") = "9"
    & skf18("6","10","4","2","1","4","1") = "9"
    & skf18("6","10","4","2","1","5","1") = "9"
    & skf18("6","10","4","2","1","6","1") = "9"
    & skf18("6","10","4","2","1","7","1") = "9"
    & skf18("6","10","4","2","1","8","1") = "9"
    & skf18("6","10","4","2","1","9","1") = "9"
    & skf18("6","10","4","2","1","10","1") = "9"
    & skf18("6","10","4","2","2","1","1") = "9"
    & skf18("6","10","4","2","2","2","1") = "9"
    & skf18("6","10","4","2","2","3","1") = "9"
    & skf18("6","10","4","2","2","4","1") = "9"
    & skf18("6","10","4","2","2","5","1") = "9"
    & skf18("6","10","4","2","2","6","1") = "9"
    & skf18("6","10","4","2","2","7","1") = "9"
    & skf18("6","10","4","2","2","8","1") = "9"
    & skf18("6","10","4","2","2","9","1") = "9"
    & skf18("6","10","4","2","2","10","1") = "9"
    & skf18("6","10","4","2","3","1","1") = "9"
    & skf18("6","10","4","2","3","2","1") = "9"
    & skf18("6","10","4","2","3","3","1") = "9"
    & skf18("6","10","4","2","3","4","1") = "9"
    & skf18("6","10","4","2","3","5","1") = "9"
    & skf18("6","10","4","2","3","6","1") = "9"
    & skf18("6","10","4","2","3","7","1") = "9"
    & skf18("6","10","4","2","3","8","1") = "9"
    & skf18("6","10","4","2","3","9","1") = "9"
    & skf18("6","10","4","2","3","10","1") = "9"
    & skf18("6","10","4","2","4","1","1") = "9"
    & skf18("6","10","4","2","4","2","1") = "9"
    & skf18("6","10","4","2","4","3","1") = "9"
    & skf18("6","10","4","2","4","4","1") = "9"
    & skf18("6","10","4","2","4","5","1") = "9"
    & skf18("6","10","4","2","4","6","1") = "9"
    & skf18("6","10","4","2","4","7","1") = "9"
    & skf18("6","10","4","2","4","8","1") = "9"
    & skf18("6","10","4","2","4","9","1") = "9"
    & skf18("6","10","4","2","4","10","1") = "9"
    & skf18("6","10","4","2","5","1","1") = "9"
    & skf18("6","10","4","2","5","2","1") = "9"
    & skf18("6","10","4","2","5","3","1") = "9"
    & skf18("6","10","4","2","5","4","1") = "9"
    & skf18("6","10","4","2","5","5","1") = "9"
    & skf18("6","10","4","2","5","6","1") = "9"
    & skf18("6","10","4","2","5","7","1") = "9"
    & skf18("6","10","4","2","5","8","1") = "9"
    & skf18("6","10","4","2","5","9","1") = "9"
    & skf18("6","10","4","2","5","10","1") = "9"
    & skf18("6","10","4","2","6","1","1") = "9"
    & skf18("6","10","4","2","6","2","1") = "9"
    & skf18("6","10","4","2","6","3","1") = "9"
    & skf18("6","10","4","2","6","4","1") = "9"
    & skf18("6","10","4","2","6","5","1") = "9"
    & skf18("6","10","4","2","6","6","1") = "9"
    & skf18("6","10","4","2","6","7","1") = "9"
    & skf18("6","10","4","2","6","8","1") = "9"
    & skf18("6","10","4","2","6","9","1") = "9"
    & skf18("6","10","4","2","6","10","1") = "9"
    & skf18("6","10","4","2","7","1","1") = "9"
    & skf18("6","10","4","2","7","2","1") = "9"
    & skf18("6","10","4","2","7","3","1") = "9"
    & skf18("6","10","4","2","7","4","1") = "9"
    & skf18("6","10","4","2","7","5","1") = "9"
    & skf18("6","10","4","2","7","6","1") = "9"
    & skf18("6","10","4","2","7","7","1") = "9"
    & skf18("6","10","4","2","7","8","1") = "9"
    & skf18("6","10","4","2","7","9","1") = "9"
    & skf18("6","10","4","2","7","10","1") = "9"
    & skf18("6","10","4","2","8","1","1") = "9"
    & skf18("6","10","4","2","8","2","1") = "9"
    & skf18("6","10","4","2","8","3","1") = "9"
    & skf18("6","10","4","2","8","4","1") = "9"
    & skf18("6","10","4","2","8","5","1") = "9"
    & skf18("6","10","4","2","8","6","1") = "9"
    & skf18("6","10","4","2","8","7","1") = "9"
    & skf18("6","10","4","2","8","8","1") = "9"
    & skf18("6","10","4","2","8","9","1") = "9"
    & skf18("6","10","4","2","8","10","1") = "9"
    & skf18("6","10","4","2","9","1","1") = "9"
    & skf18("6","10","4","2","9","2","1") = "9"
    & skf18("6","10","4","2","9","3","1") = "9"
    & skf18("6","10","4","2","9","4","1") = "9"
    & skf18("6","10","4","2","9","5","1") = "9"
    & skf18("6","10","4","2","9","6","1") = "9"
    & skf18("6","10","4","2","9","7","1") = "9"
    & skf18("6","10","4","2","9","8","1") = "9"
    & skf18("6","10","4","2","9","9","1") = "9"
    & skf18("6","10","4","2","9","10","1") = "9"
    & skf18("6","10","4","2","10","1","1") = "9"
    & skf18("6","10","4","2","10","2","1") = "9"
    & skf18("6","10","4","2","10","3","1") = "9"
    & skf18("6","10","4","2","10","4","1") = "9"
    & skf18("6","10","4","2","10","5","1") = "9"
    & skf18("6","10","4","2","10","6","1") = "9"
    & skf18("6","10","4","2","10","7","1") = "9"
    & skf18("6","10","4","2","10","8","1") = "9"
    & skf18("6","10","4","2","10","9","1") = "9"
    & skf18("6","10","4","2","10","10","1") = "9"
    & skf18("6","10","4","3","1","1","1") = "9"
    & skf18("6","10","4","3","1","2","1") = "9"
    & skf18("6","10","4","3","1","3","1") = "9"
    & skf18("6","10","4","3","1","4","1") = "9"
    & skf18("6","10","4","3","1","5","1") = "9"
    & skf18("6","10","4","3","1","6","1") = "9"
    & skf18("6","10","4","3","1","7","1") = "9"
    & skf18("6","10","4","3","1","8","1") = "9"
    & skf18("6","10","4","3","1","9","1") = "9"
    & skf18("6","10","4","3","1","10","1") = "9"
    & skf18("6","10","4","3","2","1","1") = "9"
    & skf18("6","10","4","3","2","2","1") = "9"
    & skf18("6","10","4","3","2","3","1") = "9"
    & skf18("6","10","4","3","2","4","1") = "9"
    & skf18("6","10","4","3","2","5","1") = "9"
    & skf18("6","10","4","3","2","6","1") = "9"
    & skf18("6","10","4","3","2","7","1") = "9"
    & skf18("6","10","4","3","2","8","1") = "9"
    & skf18("6","10","4","3","2","9","1") = "9"
    & skf18("6","10","4","3","2","10","1") = "9"
    & skf18("6","10","4","3","3","1","1") = "9"
    & skf18("6","10","4","3","3","2","1") = "9"
    & skf18("6","10","4","3","3","3","1") = "9"
    & skf18("6","10","4","3","3","4","1") = "9"
    & skf18("6","10","4","3","3","5","1") = "9"
    & skf18("6","10","4","3","3","6","1") = "9"
    & skf18("6","10","4","3","3","7","1") = "9"
    & skf18("6","10","4","3","3","8","1") = "9"
    & skf18("6","10","4","3","3","9","1") = "9"
    & skf18("6","10","4","3","3","10","1") = "9"
    & skf18("6","10","4","3","4","1","1") = "9"
    & skf18("6","10","4","3","4","2","1") = "9"
    & skf18("6","10","4","3","4","3","1") = "9"
    & skf18("6","10","4","3","4","4","1") = "9"
    & skf18("6","10","4","3","4","5","1") = "9"
    & skf18("6","10","4","3","4","6","1") = "9"
    & skf18("6","10","4","3","4","7","1") = "9"
    & skf18("6","10","4","3","4","8","1") = "9"
    & skf18("6","10","4","3","4","9","1") = "9"
    & skf18("6","10","4","3","4","10","1") = "9"
    & skf18("6","10","4","3","5","1","1") = "9"
    & skf18("6","10","4","3","5","2","1") = "9"
    & skf18("6","10","4","3","5","3","1") = "9"
    & skf18("6","10","4","3","5","4","1") = "9"
    & skf18("6","10","4","3","5","5","1") = "9"
    & skf18("6","10","4","3","5","6","1") = "9"
    & skf18("6","10","4","3","5","7","1") = "9"
    & skf18("6","10","4","3","5","8","1") = "9"
    & skf18("6","10","4","3","5","9","1") = "9"
    & skf18("6","10","4","3","5","10","1") = "9"
    & skf18("6","10","4","3","6","1","1") = "9"
    & skf18("6","10","4","3","6","2","1") = "9"
    & skf18("6","10","4","3","6","3","1") = "9"
    & skf18("6","10","4","3","6","4","1") = "9"
    & skf18("6","10","4","3","6","5","1") = "9"
    & skf18("6","10","4","3","6","6","1") = "9"
    & skf18("6","10","4","3","6","7","1") = "9"
    & skf18("6","10","4","3","6","8","1") = "9"
    & skf18("6","10","4","3","6","9","1") = "9"
    & skf18("6","10","4","3","6","10","1") = "9"
    & skf18("6","10","4","3","7","1","1") = "9"
    & skf18("6","10","4","3","7","2","1") = "9"
    & skf18("6","10","4","3","7","3","1") = "9"
    & skf18("6","10","4","3","7","4","1") = "9"
    & skf18("6","10","4","3","7","5","1") = "9"
    & skf18("6","10","4","3","7","6","1") = "9"
    & skf18("6","10","4","3","7","7","1") = "9"
    & skf18("6","10","4","3","7","8","1") = "9"
    & skf18("6","10","4","3","7","9","1") = "9"
    & skf18("6","10","4","3","7","10","1") = "9"
    & skf18("6","10","4","3","8","1","1") = "9"
    & skf18("6","10","4","3","8","2","1") = "9"
    & skf18("6","10","4","3","8","3","1") = "9"
    & skf18("6","10","4","3","8","4","1") = "9"
    & skf18("6","10","4","3","8","5","1") = "9"
    & skf18("6","10","4","3","8","6","1") = "9"
    & skf18("6","10","4","3","8","7","1") = "9"
    & skf18("6","10","4","3","8","8","1") = "9"
    & skf18("6","10","4","3","8","9","1") = "9"
    & skf18("6","10","4","3","8","10","1") = "9"
    & skf18("6","10","4","3","9","1","1") = "9"
    & skf18("6","10","4","3","9","2","1") = "9"
    & skf18("6","10","4","3","9","3","1") = "9"
    & skf18("6","10","4","3","9","4","1") = "9"
    & skf18("6","10","4","3","9","5","1") = "9"
    & skf18("6","10","4","3","9","6","1") = "9"
    & skf18("6","10","4","3","9","7","1") = "9"
    & skf18("6","10","4","3","9","8","1") = "9"
    & skf18("6","10","4","3","9","9","1") = "9"
    & skf18("6","10","4","3","9","10","1") = "9"
    & skf18("6","10","4","3","10","1","1") = "9"
    & skf18("6","10","4","3","10","2","1") = "9"
    & skf18("6","10","4","3","10","3","1") = "9"
    & skf18("6","10","4","3","10","4","1") = "9"
    & skf18("6","10","4","3","10","5","1") = "9"
    & skf18("6","10","4","3","10","6","1") = "9"
    & skf18("6","10","4","3","10","7","1") = "9"
    & skf18("6","10","4","3","10","8","1") = "9"
    & skf18("6","10","4","3","10","9","1") = "9"
    & skf18("6","10","4","3","10","10","1") = "9"
    & skf18("6","10","4","4","1","1","1") = "9"
    & skf18("6","10","4","4","1","2","1") = "9"
    & skf18("6","10","4","4","1","3","1") = "9"
    & skf18("6","10","4","4","1","4","1") = "9"
    & skf18("6","10","4","4","1","5","1") = "9"
    & skf18("6","10","4","4","1","6","1") = "9"
    & skf18("6","10","4","4","1","7","1") = "9"
    & skf18("6","10","4","4","1","8","1") = "9"
    & skf18("6","10","4","4","1","9","1") = "9"
    & skf18("6","10","4","4","1","10","1") = "9"
    & skf18("6","10","4","4","2","1","1") = "9"
    & skf18("6","10","4","4","2","2","1") = "9"
    & skf18("6","10","4","4","2","3","1") = "9"
    & skf18("6","10","4","4","2","4","1") = "9"
    & skf18("6","10","4","4","2","5","1") = "9"
    & skf18("6","10","4","4","2","6","1") = "9"
    & skf18("6","10","4","4","2","7","1") = "9"
    & skf18("6","10","4","4","2","8","1") = "9"
    & skf18("6","10","4","4","2","9","1") = "9"
    & skf18("6","10","4","4","2","10","1") = "9"
    & skf18("6","10","4","4","3","1","1") = "9"
    & skf18("6","10","4","4","3","2","1") = "9"
    & skf18("6","10","4","4","3","3","1") = "9"
    & skf18("6","10","4","4","3","4","1") = "9"
    & skf18("6","10","4","4","3","5","1") = "9"
    & skf18("6","10","4","4","3","6","1") = "9"
    & skf18("6","10","4","4","3","7","1") = "9"
    & skf18("6","10","4","4","3","8","1") = "9"
    & skf18("6","10","4","4","3","9","1") = "9"
    & skf18("6","10","4","4","3","10","1") = "9"
    & skf18("6","10","4","4","4","1","1") = "9"
    & skf18("6","10","4","4","4","2","1") = "9"
    & skf18("6","10","4","4","4","3","1") = "9"
    & skf18("6","10","4","4","4","4","1") = "9"
    & skf18("6","10","4","4","4","5","1") = "9"
    & skf18("6","10","4","4","4","6","1") = "9"
    & skf18("6","10","4","4","4","7","1") = "9"
    & skf18("6","10","4","4","4","8","1") = "9"
    & skf18("6","10","4","4","4","9","1") = "9"
    & skf18("6","10","4","4","4","10","1") = "9"
    & skf18("6","10","4","4","5","1","1") = "9"
    & skf18("6","10","4","4","5","2","1") = "9"
    & skf18("6","10","4","4","5","3","1") = "9"
    & skf18("6","10","4","4","5","4","1") = "9"
    & skf18("6","10","4","4","5","5","1") = "9"
    & skf18("6","10","4","4","5","6","1") = "9"
    & skf18("6","10","4","4","5","7","1") = "9"
    & skf18("6","10","4","4","5","8","1") = "9"
    & skf18("6","10","4","4","5","9","1") = "9"
    & skf18("6","10","4","4","5","10","1") = "9"
    & skf18("6","10","4","4","6","1","1") = "9"
    & skf18("6","10","4","4","6","2","1") = "9"
    & skf18("6","10","4","4","6","3","1") = "9"
    & skf18("6","10","4","4","6","4","1") = "9"
    & skf18("6","10","4","4","6","5","1") = "9"
    & skf18("6","10","4","4","6","6","1") = "9"
    & skf18("6","10","4","4","6","7","1") = "9"
    & skf18("6","10","4","4","6","8","1") = "9"
    & skf18("6","10","4","4","6","9","1") = "9"
    & skf18("6","10","4","4","6","10","1") = "9"
    & skf18("6","10","4","4","7","1","1") = "9"
    & skf18("6","10","4","4","7","2","1") = "9"
    & skf18("6","10","4","4","7","3","1") = "9"
    & skf18("6","10","4","4","7","4","1") = "9"
    & skf18("6","10","4","4","7","5","1") = "9"
    & skf18("6","10","4","4","7","6","1") = "9"
    & skf18("6","10","4","4","7","7","1") = "9"
    & skf18("6","10","4","4","7","8","1") = "9"
    & skf18("6","10","4","4","7","9","1") = "9"
    & skf18("6","10","4","4","7","10","1") = "9"
    & skf18("6","10","4","4","8","1","1") = "9"
    & skf18("6","10","4","4","8","2","1") = "9"
    & skf18("6","10","4","4","8","3","1") = "9"
    & skf18("6","10","4","4","8","4","1") = "9"
    & skf18("6","10","4","4","8","5","1") = "9"
    & skf18("6","10","4","4","8","6","1") = "9"
    & skf18("6","10","4","4","8","7","1") = "9"
    & skf18("6","10","4","4","8","8","1") = "9"
    & skf18("6","10","4","4","8","9","1") = "9"
    & skf18("6","10","4","4","8","10","1") = "9"
    & skf18("6","10","4","4","9","1","1") = "9"
    & skf18("6","10","4","4","9","2","1") = "9"
    & skf18("6","10","4","4","9","3","1") = "9"
    & skf18("6","10","4","4","9","4","1") = "9"
    & skf18("6","10","4","4","9","5","1") = "9"
    & skf18("6","10","4","4","9","6","1") = "9"
    & skf18("6","10","4","4","9","7","1") = "9"
    & skf18("6","10","4","4","9","8","1") = "9"
    & skf18("6","10","4","4","9","9","1") = "9"
    & skf18("6","10","4","4","9","10","1") = "9"
    & skf18("6","10","4","4","10","1","1") = "9"
    & skf18("6","10","4","4","10","2","1") = "9"
    & skf18("6","10","4","4","10","3","1") = "9"
    & skf18("6","10","4","4","10","4","1") = "9"
    & skf18("6","10","4","4","10","5","1") = "9"
    & skf18("6","10","4","4","10","6","1") = "9"
    & skf18("6","10","4","4","10","7","1") = "9"
    & skf18("6","10","4","4","10","8","1") = "9"
    & skf18("6","10","4","4","10","9","1") = "9"
    & skf18("6","10","4","4","10","10","1") = "9"
    & skf18("6","10","4","5","1","1","1") = "9"
    & skf18("6","10","4","5","1","2","1") = "9"
    & skf18("6","10","4","5","1","3","1") = "9"
    & skf18("6","10","4","5","1","4","1") = "9"
    & skf18("6","10","4","5","1","5","1") = "9"
    & skf18("6","10","4","5","1","6","1") = "9"
    & skf18("6","10","4","5","1","7","1") = "9"
    & skf18("6","10","4","5","1","8","1") = "9"
    & skf18("6","10","4","5","1","9","1") = "9"
    & skf18("6","10","4","5","1","10","1") = "9"
    & skf18("6","10","4","5","2","1","1") = "9"
    & skf18("6","10","4","5","2","2","1") = "9"
    & skf18("6","10","4","5","2","3","1") = "9"
    & skf18("6","10","4","5","2","4","1") = "9"
    & skf18("6","10","4","5","2","5","1") = "9"
    & skf18("6","10","4","5","2","6","1") = "9"
    & skf18("6","10","4","5","2","7","1") = "9"
    & skf18("6","10","4","5","2","8","1") = "9"
    & skf18("6","10","4","5","2","9","1") = "9"
    & skf18("6","10","4","5","2","10","1") = "9"
    & skf18("6","10","4","5","3","1","1") = "9"
    & skf18("6","10","4","5","3","2","1") = "9"
    & skf18("6","10","4","5","3","3","1") = "9"
    & skf18("6","10","4","5","3","4","1") = "9"
    & skf18("6","10","4","5","3","5","1") = "9"
    & skf18("6","10","4","5","3","6","1") = "9"
    & skf18("6","10","4","5","3","7","1") = "9"
    & skf18("6","10","4","5","3","8","1") = "9"
    & skf18("6","10","4","5","3","9","1") = "9"
    & skf18("6","10","4","5","3","10","1") = "9"
    & skf18("6","10","4","5","4","1","1") = "9"
    & skf18("6","10","4","5","4","2","1") = "9"
    & skf18("6","10","4","5","4","3","1") = "9"
    & skf18("6","10","4","5","4","4","1") = "9"
    & skf18("6","10","4","5","4","5","1") = "9"
    & skf18("6","10","4","5","4","6","1") = "9"
    & skf18("6","10","4","5","4","7","1") = "9"
    & skf18("6","10","4","5","4","8","1") = "9"
    & skf18("6","10","4","5","4","9","1") = "9"
    & skf18("6","10","4","5","4","10","1") = "9"
    & skf18("6","10","4","5","5","1","1") = "9"
    & skf18("6","10","4","5","5","2","1") = "9"
    & skf18("6","10","4","5","5","3","1") = "9"
    & skf18("6","10","4","5","5","4","1") = "9"
    & skf18("6","10","4","5","5","5","1") = "9"
    & skf18("6","10","4","5","5","6","1") = "9"
    & skf18("6","10","4","5","5","7","1") = "9"
    & skf18("6","10","4","5","5","8","1") = "9"
    & skf18("6","10","4","5","5","9","1") = "9"
    & skf18("6","10","4","5","5","10","1") = "9"
    & skf18("6","10","4","5","6","1","1") = "9"
    & skf18("6","10","4","5","6","2","1") = "9"
    & skf18("6","10","4","5","6","3","1") = "9"
    & skf18("6","10","4","5","6","4","1") = "9"
    & skf18("6","10","4","5","6","5","1") = "9"
    & skf18("6","10","4","5","6","6","1") = "9"
    & skf18("6","10","4","5","6","7","1") = "9"
    & skf18("6","10","4","5","6","8","1") = "9"
    & skf18("6","10","4","5","6","9","1") = "9"
    & skf18("6","10","4","5","6","10","1") = "9"
    & skf18("6","10","4","5","7","1","1") = "9"
    & skf18("6","10","4","5","7","2","1") = "9"
    & skf18("6","10","4","5","7","3","1") = "9"
    & skf18("6","10","4","5","7","4","1") = "9"
    & skf18("6","10","4","5","7","5","1") = "9"
    & skf18("6","10","4","5","7","6","1") = "9"
    & skf18("6","10","4","5","7","7","1") = "9"
    & skf18("6","10","4","5","7","8","1") = "9"
    & skf18("6","10","4","5","7","9","1") = "9"
    & skf18("6","10","4","5","7","10","1") = "9"
    & skf18("6","10","4","5","8","1","1") = "9"
    & skf18("6","10","4","5","8","2","1") = "9"
    & skf18("6","10","4","5","8","3","1") = "9"
    & skf18("6","10","4","5","8","4","1") = "9"
    & skf18("6","10","4","5","8","5","1") = "9"
    & skf18("6","10","4","5","8","6","1") = "9"
    & skf18("6","10","4","5","8","7","1") = "9"
    & skf18("6","10","4","5","8","8","1") = "9"
    & skf18("6","10","4","5","8","9","1") = "9"
    & skf18("6","10","4","5","8","10","1") = "9"
    & skf18("6","10","4","5","9","1","1") = "9"
    & skf18("6","10","4","5","9","2","1") = "9"
    & skf18("6","10","4","5","9","3","1") = "9"
    & skf18("6","10","4","5","9","4","1") = "9"
    & skf18("6","10","4","5","9","5","1") = "9"
    & skf18("6","10","4","5","9","6","1") = "9"
    & skf18("6","10","4","5","9","7","1") = "9"
    & skf18("6","10","4","5","9","8","1") = "9"
    & skf18("6","10","4","5","9","9","1") = "9"
    & skf18("6","10","4","5","9","10","1") = "9"
    & skf18("6","10","4","5","10","1","1") = "9"
    & skf18("6","10","4","5","10","2","1") = "9"
    & skf18("6","10","4","5","10","3","1") = "9"
    & skf18("6","10","4","5","10","4","1") = "9"
    & skf18("6","10","4","5","10","5","1") = "9"
    & skf18("6","10","4","5","10","6","1") = "9"
    & skf18("6","10","4","5","10","7","1") = "9"
    & skf18("6","10","4","5","10","8","1") = "9"
    & skf18("6","10","4","5","10","9","1") = "9"
    & skf18("6","10","4","5","10","10","1") = "9"
    & skf18("6","10","4","6","1","1","1") = "9"
    & skf18("6","10","4","6","1","2","1") = "9"
    & skf18("6","10","4","6","1","3","1") = "9"
    & skf18("6","10","4","6","1","4","1") = "9"
    & skf18("6","10","4","6","1","5","1") = "9"
    & skf18("6","10","4","6","1","6","1") = "9"
    & skf18("6","10","4","6","1","7","1") = "9"
    & skf18("6","10","4","6","1","8","1") = "9"
    & skf18("6","10","4","6","1","9","1") = "9"
    & skf18("6","10","4","6","1","10","1") = "9"
    & skf18("6","10","4","6","2","1","1") = "9"
    & skf18("6","10","4","6","2","2","1") = "9"
    & skf18("6","10","4","6","2","3","1") = "9"
    & skf18("6","10","4","6","2","4","1") = "9"
    & skf18("6","10","4","6","2","5","1") = "9"
    & skf18("6","10","4","6","2","6","1") = "9"
    & skf18("6","10","4","6","2","7","1") = "9"
    & skf18("6","10","4","6","2","8","1") = "9"
    & skf18("6","10","4","6","2","9","1") = "9"
    & skf18("6","10","4","6","2","10","1") = "9"
    & skf18("6","10","4","6","3","1","1") = "9"
    & skf18("6","10","4","6","3","2","1") = "9"
    & skf18("6","10","4","6","3","3","1") = "9"
    & skf18("6","10","4","6","3","4","1") = "9"
    & skf18("6","10","4","6","3","5","1") = "9"
    & skf18("6","10","4","6","3","6","1") = "9"
    & skf18("6","10","4","6","3","7","1") = "9"
    & skf18("6","10","4","6","3","8","1") = "9"
    & skf18("6","10","4","6","3","9","1") = "9"
    & skf18("6","10","4","6","3","10","1") = "9"
    & skf18("6","10","4","6","4","1","1") = "9"
    & skf18("6","10","4","6","4","2","1") = "9"
    & skf18("6","10","4","6","4","3","1") = "9"
    & skf18("6","10","4","6","4","4","1") = "9"
    & skf18("6","10","4","6","4","5","1") = "9"
    & skf18("6","10","4","6","4","6","1") = "9"
    & skf18("6","10","4","6","4","7","1") = "9"
    & skf18("6","10","4","6","4","8","1") = "9"
    & skf18("6","10","4","6","4","9","1") = "9"
    & skf18("6","10","4","6","4","10","1") = "9"
    & skf18("6","10","4","6","5","1","1") = "9"
    & skf18("6","10","4","6","5","2","1") = "9"
    & skf18("6","10","4","6","5","3","1") = "9"
    & skf18("6","10","4","6","5","4","1") = "9"
    & skf18("6","10","4","6","5","5","1") = "9"
    & skf18("6","10","4","6","5","6","1") = "9"
    & skf18("6","10","4","6","5","7","1") = "9"
    & skf18("6","10","4","6","5","8","1") = "9"
    & skf18("6","10","4","6","5","9","1") = "9"
    & skf18("6","10","4","6","5","10","1") = "9"
    & skf18("6","10","4","6","6","1","1") = "9"
    & skf18("6","10","4","6","6","2","1") = "9"
    & skf18("6","10","4","6","6","3","1") = "9"
    & skf18("6","10","4","6","6","4","1") = "9"
    & skf18("6","10","4","6","6","5","1") = "9"
    & skf18("6","10","4","6","6","6","1") = "9"
    & skf18("6","10","4","6","6","7","1") = "9"
    & skf18("6","10","4","6","6","8","1") = "9"
    & skf18("6","10","4","6","6","9","1") = "9"
    & skf18("6","10","4","6","6","10","1") = "9"
    & skf18("6","10","4","6","7","1","1") = "9"
    & skf18("6","10","4","6","7","2","1") = "9"
    & skf18("6","10","4","6","7","3","1") = "9"
    & skf18("6","10","4","6","7","4","1") = "9"
    & skf18("6","10","4","6","7","5","1") = "9"
    & skf18("6","10","4","6","7","6","1") = "9"
    & skf18("6","10","4","6","7","7","1") = "9"
    & skf18("6","10","4","6","7","8","1") = "9"
    & skf18("6","10","4","6","7","9","1") = "9"
    & skf18("6","10","4","6","7","10","1") = "9"
    & skf18("6","10","4","6","8","1","1") = "9"
    & skf18("6","10","4","6","8","2","1") = "9"
    & skf18("6","10","4","6","8","3","1") = "9"
    & skf18("6","10","4","6","8","4","1") = "9"
    & skf18("6","10","4","6","8","5","1") = "9"
    & skf18("6","10","4","6","8","6","1") = "9"
    & skf18("6","10","4","6","8","7","1") = "9"
    & skf18("6","10","4","6","8","8","1") = "9"
    & skf18("6","10","4","6","8","9","1") = "9"
    & skf18("6","10","4","6","8","10","1") = "9"
    & skf18("6","10","4","6","9","1","1") = "9"
    & skf18("6","10","4","6","9","2","1") = "9"
    & skf18("6","10","4","6","9","3","1") = "9"
    & skf18("6","10","4","6","9","4","1") = "9"
    & skf18("6","10","4","6","9","5","1") = "9"
    & skf18("6","10","4","6","9","6","1") = "9"
    & skf18("6","10","4","6","9","7","1") = "9"
    & skf18("6","10","4","6","9","8","1") = "9"
    & skf18("6","10","4","6","9","9","1") = "9"
    & skf18("6","10","4","6","9","10","1") = "9"
    & skf18("6","10","4","6","10","1","1") = "9"
    & skf18("6","10","4","6","10","2","1") = "9"
    & skf18("6","10","4","6","10","3","1") = "9"
    & skf18("6","10","4","6","10","4","1") = "9"
    & skf18("6","10","4","6","10","5","1") = "9"
    & skf18("6","10","4","6","10","6","1") = "9"
    & skf18("6","10","4","6","10","7","1") = "9"
    & skf18("6","10","4","6","10","8","1") = "9"
    & skf18("6","10","4","6","10","9","1") = "9"
    & skf18("6","10","4","6","10","10","1") = "9"
    & skf18("6","10","4","7","1","1","1") = "9"
    & skf18("6","10","4","7","1","2","1") = "9"
    & skf18("6","10","4","7","1","3","1") = "9"
    & skf18("6","10","4","7","1","4","1") = "9"
    & skf18("6","10","4","7","1","5","1") = "9"
    & skf18("6","10","4","7","1","6","1") = "9"
    & skf18("6","10","4","7","1","7","1") = "9"
    & skf18("6","10","4","7","1","8","1") = "9"
    & skf18("6","10","4","7","1","9","1") = "9"
    & skf18("6","10","4","7","1","10","1") = "9"
    & skf18("6","10","4","7","2","1","1") = "9"
    & skf18("6","10","4","7","2","2","1") = "9"
    & skf18("6","10","4","7","2","3","1") = "9"
    & skf18("6","10","4","7","2","4","1") = "9"
    & skf18("6","10","4","7","2","5","1") = "9"
    & skf18("6","10","4","7","2","6","1") = "9"
    & skf18("6","10","4","7","2","7","1") = "9"
    & skf18("6","10","4","7","2","8","1") = "9"
    & skf18("6","10","4","7","2","9","1") = "9"
    & skf18("6","10","4","7","2","10","1") = "9"
    & skf18("6","10","4","7","3","1","1") = "9"
    & skf18("6","10","4","7","3","2","1") = "9"
    & skf18("6","10","4","7","3","3","1") = "9"
    & skf18("6","10","4","7","3","4","1") = "9"
    & skf18("6","10","4","7","3","5","1") = "9"
    & skf18("6","10","4","7","3","6","1") = "9"
    & skf18("6","10","4","7","3","7","1") = "9"
    & skf18("6","10","4","7","3","8","1") = "9"
    & skf18("6","10","4","7","3","9","1") = "9"
    & skf18("6","10","4","7","3","10","1") = "9"
    & skf18("6","10","4","7","4","1","1") = "9"
    & skf18("6","10","4","7","4","2","1") = "9"
    & skf18("6","10","4","7","4","3","1") = "9"
    & skf18("6","10","4","7","4","4","1") = "9"
    & skf18("6","10","4","7","4","5","1") = "9"
    & skf18("6","10","4","7","4","6","1") = "9"
    & skf18("6","10","4","7","4","7","1") = "9"
    & skf18("6","10","4","7","4","8","1") = "9"
    & skf18("6","10","4","7","4","9","1") = "9"
    & skf18("6","10","4","7","4","10","1") = "9"
    & skf18("6","10","4","7","5","1","1") = "9"
    & skf18("6","10","4","7","5","2","1") = "9"
    & skf18("6","10","4","7","5","3","1") = "9"
    & skf18("6","10","4","7","5","4","1") = "9"
    & skf18("6","10","4","7","5","5","1") = "9"
    & skf18("6","10","4","7","5","6","1") = "9"
    & skf18("6","10","4","7","5","7","1") = "9"
    & skf18("6","10","4","7","5","8","1") = "9"
    & skf18("6","10","4","7","5","9","1") = "9"
    & skf18("6","10","4","7","5","10","1") = "9"
    & skf18("6","10","4","7","6","1","1") = "9"
    & skf18("6","10","4","7","6","2","1") = "9"
    & skf18("6","10","4","7","6","3","1") = "9"
    & skf18("6","10","4","7","6","4","1") = "9"
    & skf18("6","10","4","7","6","5","1") = "9"
    & skf18("6","10","4","7","6","6","1") = "9"
    & skf18("6","10","4","7","6","7","1") = "9"
    & skf18("6","10","4","7","6","8","1") = "9"
    & skf18("6","10","4","7","6","9","1") = "9"
    & skf18("6","10","4","7","6","10","1") = "9"
    & skf18("6","10","4","7","7","1","1") = "9"
    & skf18("6","10","4","7","7","2","1") = "9"
    & skf18("6","10","4","7","7","3","1") = "9"
    & skf18("6","10","4","7","7","4","1") = "9"
    & skf18("6","10","4","7","7","5","1") = "9"
    & skf18("6","10","4","7","7","6","1") = "9"
    & skf18("6","10","4","7","7","7","1") = "9"
    & skf18("6","10","4","7","7","8","1") = "9"
    & skf18("6","10","4","7","7","9","1") = "9"
    & skf18("6","10","4","7","7","10","1") = "9"
    & skf18("6","10","4","7","8","1","1") = "9"
    & skf18("6","10","4","7","8","2","1") = "9"
    & skf18("6","10","4","7","8","3","1") = "9"
    & skf18("6","10","4","7","8","4","1") = "9"
    & skf18("6","10","4","7","8","5","1") = "9"
    & skf18("6","10","4","7","8","6","1") = "9"
    & skf18("6","10","4","7","8","7","1") = "9"
    & skf18("6","10","4","7","8","8","1") = "9"
    & skf18("6","10","4","7","8","9","1") = "9"
    & skf18("6","10","4","7","8","10","1") = "9"
    & skf18("6","10","4","7","9","1","1") = "9"
    & skf18("6","10","4","7","9","2","1") = "9"
    & skf18("6","10","4","7","9","3","1") = "9"
    & skf18("6","10","4","7","9","4","1") = "9"
    & skf18("6","10","4","7","9","5","1") = "9"
    & skf18("6","10","4","7","9","6","1") = "9"
    & skf18("6","10","4","7","9","7","1") = "9"
    & skf18("6","10","4","7","9","8","1") = "9"
    & skf18("6","10","4","7","9","9","1") = "9"
    & skf18("6","10","4","7","9","10","1") = "9"
    & skf18("6","10","4","7","10","1","1") = "9"
    & skf18("6","10","4","7","10","2","1") = "9"
    & skf18("6","10","4","7","10","3","1") = "9"
    & skf18("6","10","4","7","10","4","1") = "9"
    & skf18("6","10","4","7","10","5","1") = "9"
    & skf18("6","10","4","7","10","6","1") = "9"
    & skf18("6","10","4","7","10","7","1") = "9"
    & skf18("6","10","4","7","10","8","1") = "9"
    & skf18("6","10","4","7","10","9","1") = "9"
    & skf18("6","10","4","7","10","10","1") = "9"
    & skf18("6","10","4","8","1","1","1") = "9"
    & skf18("6","10","4","8","1","2","1") = "9"
    & skf18("6","10","4","8","1","3","1") = "9"
    & skf18("6","10","4","8","1","4","1") = "9"
    & skf18("6","10","4","8","1","5","1") = "9"
    & skf18("6","10","4","8","1","6","1") = "9"
    & skf18("6","10","4","8","1","7","1") = "9"
    & skf18("6","10","4","8","1","8","1") = "9"
    & skf18("6","10","4","8","1","9","1") = "9"
    & skf18("6","10","4","8","1","10","1") = "9"
    & skf18("6","10","4","8","2","1","1") = "9"
    & skf18("6","10","4","8","2","2","1") = "9"
    & skf18("6","10","4","8","2","3","1") = "9"
    & skf18("6","10","4","8","2","4","1") = "9"
    & skf18("6","10","4","8","2","5","1") = "9"
    & skf18("6","10","4","8","2","6","1") = "9"
    & skf18("6","10","4","8","2","7","1") = "9"
    & skf18("6","10","4","8","2","8","1") = "9"
    & skf18("6","10","4","8","2","9","1") = "9"
    & skf18("6","10","4","8","2","10","1") = "9"
    & skf18("6","10","4","8","3","1","1") = "9"
    & skf18("6","10","4","8","3","2","1") = "9"
    & skf18("6","10","4","8","3","3","1") = "9"
    & skf18("6","10","4","8","3","4","1") = "9"
    & skf18("6","10","4","8","3","5","1") = "9"
    & skf18("6","10","4","8","3","6","1") = "9"
    & skf18("6","10","4","8","3","7","1") = "9"
    & skf18("6","10","4","8","3","8","1") = "9"
    & skf18("6","10","4","8","3","9","1") = "9"
    & skf18("6","10","4","8","3","10","1") = "9"
    & skf18("6","10","4","8","4","1","1") = "9"
    & skf18("6","10","4","8","4","2","1") = "9"
    & skf18("6","10","4","8","4","3","1") = "9"
    & skf18("6","10","4","8","4","4","1") = "9"
    & skf18("6","10","4","8","4","5","1") = "9"
    & skf18("6","10","4","8","4","6","1") = "9"
    & skf18("6","10","4","8","4","7","1") = "9"
    & skf18("6","10","4","8","4","8","1") = "9"
    & skf18("6","10","4","8","4","9","1") = "9"
    & skf18("6","10","4","8","4","10","1") = "9"
    & skf18("6","10","4","8","5","1","1") = "9"
    & skf18("6","10","4","8","5","2","1") = "9"
    & skf18("6","10","4","8","5","3","1") = "9"
    & skf18("6","10","4","8","5","4","1") = "9"
    & skf18("6","10","4","8","5","5","1") = "9"
    & skf18("6","10","4","8","5","6","1") = "9"
    & skf18("6","10","4","8","5","7","1") = "9"
    & skf18("6","10","4","8","5","8","1") = "9"
    & skf18("6","10","4","8","5","9","1") = "9"
    & skf18("6","10","4","8","5","10","1") = "9"
    & skf18("6","10","4","8","6","1","1") = "9"
    & skf18("6","10","4","8","6","2","1") = "9"
    & skf18("6","10","4","8","6","3","1") = "9"
    & skf18("6","10","4","8","6","4","1") = "9"
    & skf18("6","10","4","8","6","5","1") = "9"
    & skf18("6","10","4","8","6","6","1") = "9"
    & skf18("6","10","4","8","6","7","1") = "9"
    & skf18("6","10","4","8","6","8","1") = "9"
    & skf18("6","10","4","8","6","9","1") = "9"
    & skf18("6","10","4","8","6","10","1") = "9"
    & skf18("6","10","4","8","7","1","1") = "9"
    & skf18("6","10","4","8","7","2","1") = "9"
    & skf18("6","10","4","8","7","3","1") = "9"
    & skf18("6","10","4","8","7","4","1") = "9"
    & skf18("6","10","4","8","7","5","1") = "9"
    & skf18("6","10","4","8","7","6","1") = "9"
    & skf18("6","10","4","8","7","7","1") = "9"
    & skf18("6","10","4","8","7","8","1") = "9"
    & skf18("6","10","4","8","7","9","1") = "9"
    & skf18("6","10","4","8","7","10","1") = "9"
    & skf18("6","10","4","8","8","1","1") = "9"
    & skf18("6","10","4","8","8","2","1") = "9"
    & skf18("6","10","4","8","8","3","1") = "9"
    & skf18("6","10","4","8","8","4","1") = "9"
    & skf18("6","10","4","8","8","5","1") = "9"
    & skf18("6","10","4","8","8","6","1") = "9"
    & skf18("6","10","4","8","8","7","1") = "9"
    & skf18("6","10","4","8","8","8","1") = "9"
    & skf18("6","10","4","8","8","9","1") = "9"
    & skf18("6","10","4","8","8","10","1") = "9"
    & skf18("6","10","4","8","9","1","1") = "9"
    & skf18("6","10","4","8","9","2","1") = "9"
    & skf18("6","10","4","8","9","3","1") = "9"
    & skf18("6","10","4","8","9","4","1") = "9"
    & skf18("6","10","4","8","9","5","1") = "9"
    & skf18("6","10","4","8","9","6","1") = "9"
    & skf18("6","10","4","8","9","7","1") = "9"
    & skf18("6","10","4","8","9","8","1") = "9"
    & skf18("6","10","4","8","9","9","1") = "9"
    & skf18("6","10","4","8","9","10","1") = "9"
    & skf18("6","10","4","8","10","1","1") = "9"
    & skf18("6","10","4","8","10","2","1") = "9"
    & skf18("6","10","4","8","10","3","1") = "9"
    & skf18("6","10","4","8","10","4","1") = "9"
    & skf18("6","10","4","8","10","5","1") = "9"
    & skf18("6","10","4","8","10","6","1") = "9"
    & skf18("6","10","4","8","10","7","1") = "9"
    & skf18("6","10","4","8","10","8","1") = "9"
    & skf18("6","10","4","8","10","9","1") = "9"
    & skf18("6","10","4","8","10","10","1") = "9"
    & skf18("6","10","4","9","1","1","1") = "9"
    & skf18("6","10","4","9","1","2","1") = "9"
    & skf18("6","10","4","9","1","3","1") = "9"
    & skf18("6","10","4","9","1","4","1") = "9"
    & skf18("6","10","4","9","1","5","1") = "9"
    & skf18("6","10","4","9","1","6","1") = "9"
    & skf18("6","10","4","9","1","7","1") = "9"
    & skf18("6","10","4","9","1","8","1") = "9"
    & skf18("6","10","4","9","1","9","1") = "9"
    & skf18("6","10","4","9","1","10","1") = "9"
    & skf18("6","10","4","9","2","1","1") = "9"
    & skf18("6","10","4","9","2","2","1") = "9"
    & skf18("6","10","4","9","2","3","1") = "9"
    & skf18("6","10","4","9","2","4","1") = "9"
    & skf18("6","10","4","9","2","5","1") = "9"
    & skf18("6","10","4","9","2","6","1") = "9"
    & skf18("6","10","4","9","2","7","1") = "9"
    & skf18("6","10","4","9","2","8","1") = "9"
    & skf18("6","10","4","9","2","9","1") = "9"
    & skf18("6","10","4","9","2","10","1") = "9"
    & skf18("6","10","4","9","3","1","1") = "9"
    & skf18("6","10","4","9","3","2","1") = "9"
    & skf18("6","10","4","9","3","3","1") = "9"
    & skf18("6","10","4","9","3","4","1") = "9"
    & skf18("6","10","4","9","3","5","1") = "9"
    & skf18("6","10","4","9","3","6","1") = "9"
    & skf18("6","10","4","9","3","7","1") = "9"
    & skf18("6","10","4","9","3","8","1") = "9"
    & skf18("6","10","4","9","3","9","1") = "9"
    & skf18("6","10","4","9","3","10","1") = "9"
    & skf18("6","10","4","9","4","1","1") = "9"
    & skf18("6","10","4","9","4","2","1") = "9"
    & skf18("6","10","4","9","4","3","1") = "9"
    & skf18("6","10","4","9","4","4","1") = "9"
    & skf18("6","10","4","9","4","5","1") = "9"
    & skf18("6","10","4","9","4","6","1") = "9"
    & skf18("6","10","4","9","4","7","1") = "9"
    & skf18("6","10","4","9","4","8","1") = "9"
    & skf18("6","10","4","9","4","9","1") = "9"
    & skf18("6","10","4","9","4","10","1") = "9"
    & skf18("6","10","4","9","5","1","1") = "9"
    & skf18("6","10","4","9","5","2","1") = "9"
    & skf18("6","10","4","9","5","3","1") = "9"
    & skf18("6","10","4","9","5","4","1") = "9"
    & skf18("6","10","4","9","5","5","1") = "9"
    & skf18("6","10","4","9","5","6","1") = "9"
    & skf18("6","10","4","9","5","7","1") = "9"
    & skf18("6","10","4","9","5","8","1") = "9"
    & skf18("6","10","4","9","5","9","1") = "9"
    & skf18("6","10","4","9","5","10","1") = "9"
    & skf18("6","10","4","9","6","1","1") = "9"
    & skf18("6","10","4","9","6","2","1") = "9"
    & skf18("6","10","4","9","6","3","1") = "9"
    & skf18("6","10","4","9","6","4","1") = "9"
    & skf18("6","10","4","9","6","5","1") = "9"
    & skf18("6","10","4","9","6","6","1") = "9"
    & skf18("6","10","4","9","6","7","1") = "9"
    & skf18("6","10","4","9","6","8","1") = "9"
    & skf18("6","10","4","9","6","9","1") = "9"
    & skf18("6","10","4","9","6","10","1") = "9"
    & skf18("6","10","4","9","7","1","1") = "9"
    & skf18("6","10","4","9","7","2","1") = "9"
    & skf18("6","10","4","9","7","3","1") = "9"
    & skf18("6","10","4","9","7","4","1") = "9"
    & skf18("6","10","4","9","7","5","1") = "9"
    & skf18("6","10","4","9","7","6","1") = "9"
    & skf18("6","10","4","9","7","7","1") = "9"
    & skf18("6","10","4","9","7","8","1") = "9"
    & skf18("6","10","4","9","7","9","1") = "9"
    & skf18("6","10","4","9","7","10","1") = "9"
    & skf18("6","10","4","9","8","1","1") = "9"
    & skf18("6","10","4","9","8","2","1") = "9"
    & skf18("6","10","4","9","8","3","1") = "9"
    & skf18("6","10","4","9","8","4","1") = "9"
    & skf18("6","10","4","9","8","5","1") = "9"
    & skf18("6","10","4","9","8","6","1") = "9"
    & skf18("6","10","4","9","8","7","1") = "9"
    & skf18("6","10","4","9","8","8","1") = "9"
    & skf18("6","10","4","9","8","9","1") = "9"
    & skf18("6","10","4","9","8","10","1") = "9"
    & skf18("6","10","4","9","9","1","1") = "9"
    & skf18("6","10","4","9","9","2","1") = "9"
    & skf18("6","10","4","9","9","3","1") = "9"
    & skf18("6","10","4","9","9","4","1") = "9"
    & skf18("6","10","4","9","9","5","1") = "9"
    & skf18("6","10","4","9","9","6","1") = "9"
    & skf18("6","10","4","9","9","7","1") = "9"
    & skf18("6","10","4","9","9","8","1") = "9"
    & skf18("6","10","4","9","9","9","1") = "9"
    & skf18("6","10","4","9","9","10","1") = "9"
    & skf18("6","10","4","9","10","1","1") = "9"
    & skf18("6","10","4","9","10","2","1") = "9"
    & skf18("6","10","4","9","10","3","1") = "9"
    & skf18("6","10","4","9","10","4","1") = "9"
    & skf18("6","10","4","9","10","5","1") = "9"
    & skf18("6","10","4","9","10","6","1") = "9"
    & skf18("6","10","4","9","10","7","1") = "9"
    & skf18("6","10","4","9","10","8","1") = "9"
    & skf18("6","10","4","9","10","9","1") = "9"
    & skf18("6","10","4","9","10","10","1") = "9"
    & skf18("6","10","4","10","1","1","1") = "9"
    & skf18("6","10","4","10","1","2","1") = "9"
    & skf18("6","10","4","10","1","3","1") = "9"
    & skf18("6","10","4","10","1","4","1") = "9"
    & skf18("6","10","4","10","1","5","1") = "9"
    & skf18("6","10","4","10","1","6","1") = "9"
    & skf18("6","10","4","10","1","7","1") = "9"
    & skf18("6","10","4","10","1","8","1") = "9"
    & skf18("6","10","4","10","1","9","1") = "9"
    & skf18("6","10","4","10","1","10","1") = "9"
    & skf18("6","10","4","10","2","1","1") = "9"
    & skf18("6","10","4","10","2","2","1") = "9"
    & skf18("6","10","4","10","2","3","1") = "9"
    & skf18("6","10","4","10","2","4","1") = "9"
    & skf18("6","10","4","10","2","5","1") = "9"
    & skf18("6","10","4","10","2","6","1") = "9"
    & skf18("6","10","4","10","2","7","1") = "9"
    & skf18("6","10","4","10","2","8","1") = "9"
    & skf18("6","10","4","10","2","9","1") = "9"
    & skf18("6","10","4","10","2","10","1") = "9"
    & skf18("6","10","4","10","3","1","1") = "9"
    & skf18("6","10","4","10","3","2","1") = "9"
    & skf18("6","10","4","10","3","3","1") = "9"
    & skf18("6","10","4","10","3","4","1") = "9"
    & skf18("6","10","4","10","3","5","1") = "9"
    & skf18("6","10","4","10","3","6","1") = "9"
    & skf18("6","10","4","10","3","7","1") = "9"
    & skf18("6","10","4","10","3","8","1") = "9"
    & skf18("6","10","4","10","3","9","1") = "9"
    & skf18("6","10","4","10","3","10","1") = "9"
    & skf18("6","10","4","10","4","1","1") = "9"
    & skf18("6","10","4","10","4","2","1") = "9"
    & skf18("6","10","4","10","4","3","1") = "9"
    & skf18("6","10","4","10","4","4","1") = "9"
    & skf18("6","10","4","10","4","5","1") = "9"
    & skf18("6","10","4","10","4","6","1") = "9"
    & skf18("6","10","4","10","4","7","1") = "9"
    & skf18("6","10","4","10","4","8","1") = "9"
    & skf18("6","10","4","10","4","9","1") = "9"
    & skf18("6","10","4","10","4","10","1") = "9"
    & skf18("6","10","4","10","5","1","1") = "9"
    & skf18("6","10","4","10","5","2","1") = "9"
    & skf18("6","10","4","10","5","3","1") = "9"
    & skf18("6","10","4","10","5","4","1") = "9"
    & skf18("6","10","4","10","5","5","1") = "9"
    & skf18("6","10","4","10","5","6","1") = "9"
    & skf18("6","10","4","10","5","7","1") = "9"
    & skf18("6","10","4","10","5","8","1") = "9"
    & skf18("6","10","4","10","5","9","1") = "9"
    & skf18("6","10","4","10","5","10","1") = "9"
    & skf18("6","10","4","10","6","1","1") = "9"
    & skf18("6","10","4","10","6","2","1") = "9"
    & skf18("6","10","4","10","6","3","1") = "9"
    & skf18("6","10","4","10","6","4","1") = "9"
    & skf18("6","10","4","10","6","5","1") = "9"
    & skf18("6","10","4","10","6","6","1") = "9"
    & skf18("6","10","4","10","6","7","1") = "9"
    & skf18("6","10","4","10","6","8","1") = "9"
    & skf18("6","10","4","10","6","9","1") = "9"
    & skf18("6","10","4","10","6","10","1") = "9"
    & skf18("6","10","4","10","7","1","1") = "9"
    & skf18("6","10","4","10","7","2","1") = "9"
    & skf18("6","10","4","10","7","3","1") = "9"
    & skf18("6","10","4","10","7","4","1") = "9"
    & skf18("6","10","4","10","7","5","1") = "9"
    & skf18("6","10","4","10","7","6","1") = "9"
    & skf18("6","10","4","10","7","7","1") = "9"
    & skf18("6","10","4","10","7","8","1") = "9"
    & skf18("6","10","4","10","7","9","1") = "9"
    & skf18("6","10","4","10","7","10","1") = "9"
    & skf18("6","10","4","10","8","1","1") = "9"
    & skf18("6","10","4","10","8","2","1") = "9"
    & skf18("6","10","4","10","8","3","1") = "9"
    & skf18("6","10","4","10","8","4","1") = "9"
    & skf18("6","10","4","10","8","5","1") = "9"
    & skf18("6","10","4","10","8","6","1") = "9"
    & skf18("6","10","4","10","8","7","1") = "9"
    & skf18("6","10","4","10","8","8","1") = "9"
    & skf18("6","10","4","10","8","9","1") = "9"
    & skf18("6","10","4","10","8","10","1") = "9"
    & skf18("6","10","4","10","9","1","1") = "9"
    & skf18("6","10","4","10","9","2","1") = "9"
    & skf18("6","10","4","10","9","3","1") = "9"
    & skf18("6","10","4","10","9","4","1") = "9"
    & skf18("6","10","4","10","9","5","1") = "9"
    & skf18("6","10","4","10","9","6","1") = "9"
    & skf18("6","10","4","10","9","7","1") = "9"
    & skf18("6","10","4","10","9","8","1") = "9"
    & skf18("6","10","4","10","9","9","1") = "9"
    & skf18("6","10","4","10","9","10","1") = "9"
    & skf18("6","10","4","10","10","1","1") = "9"
    & skf18("6","10","4","10","10","2","1") = "9"
    & skf18("6","10","4","10","10","3","1") = "9"
    & skf18("6","10","4","10","10","4","1") = "9"
    & skf18("6","10","4","10","10","5","1") = "9"
    & skf18("6","10","4","10","10","6","1") = "9"
    & skf18("6","10","4","10","10","7","1") = "9"
    & skf18("6","10","4","10","10","8","1") = "9"
    & skf18("6","10","4","10","10","9","1") = "9"
    & skf18("6","10","4","10","10","10","1") = "9"
    & skf18("6","10","5","1","1","1","1") = "9"
    & skf18("6","10","5","1","1","2","1") = "9"
    & skf18("6","10","5","1","1","3","1") = "9"
    & skf18("6","10","5","1","1","4","1") = "9"
    & skf18("6","10","5","1","1","5","1") = "9"
    & skf18("6","10","5","1","1","6","1") = "9"
    & skf18("6","10","5","1","1","7","1") = "9"
    & skf18("6","10","5","1","1","8","1") = "9"
    & skf18("6","10","5","1","1","9","1") = "9"
    & skf18("6","10","5","1","1","10","1") = "9"
    & skf18("6","10","5","1","2","1","1") = "9"
    & skf18("6","10","5","1","2","2","1") = "9"
    & skf18("6","10","5","1","2","3","1") = "9"
    & skf18("6","10","5","1","2","4","1") = "9"
    & skf18("6","10","5","1","2","5","1") = "9"
    & skf18("6","10","5","1","2","6","1") = "9"
    & skf18("6","10","5","1","2","7","1") = "9"
    & skf18("6","10","5","1","2","8","1") = "9"
    & skf18("6","10","5","1","2","9","1") = "9"
    & skf18("6","10","5","1","2","10","1") = "9"
    & skf18("6","10","5","1","3","1","1") = "9"
    & skf18("6","10","5","1","3","2","1") = "9"
    & skf18("6","10","5","1","3","3","1") = "9"
    & skf18("6","10","5","1","3","4","1") = "9"
    & skf18("6","10","5","1","3","5","1") = "9"
    & skf18("6","10","5","1","3","6","1") = "9"
    & skf18("6","10","5","1","3","7","1") = "9"
    & skf18("6","10","5","1","3","8","1") = "9"
    & skf18("6","10","5","1","3","9","1") = "9"
    & skf18("6","10","5","1","3","10","1") = "9"
    & skf18("6","10","5","1","4","1","1") = "9"
    & skf18("6","10","5","1","4","2","1") = "9"
    & skf18("6","10","5","1","4","3","1") = "9"
    & skf18("6","10","5","1","4","4","1") = "9"
    & skf18("6","10","5","1","4","5","1") = "9"
    & skf18("6","10","5","1","4","6","1") = "9"
    & skf18("6","10","5","1","4","7","1") = "9"
    & skf18("6","10","5","1","4","8","1") = "9"
    & skf18("6","10","5","1","4","9","1") = "9"
    & skf18("6","10","5","1","4","10","1") = "9"
    & skf18("6","10","5","1","5","1","1") = "9"
    & skf18("6","10","5","1","5","2","1") = "9"
    & skf18("6","10","5","1","5","3","1") = "9"
    & skf18("6","10","5","1","5","4","1") = "9"
    & skf18("6","10","5","1","5","5","1") = "9"
    & skf18("6","10","5","1","5","6","1") = "9"
    & skf18("6","10","5","1","5","7","1") = "9"
    & skf18("6","10","5","1","5","8","1") = "9"
    & skf18("6","10","5","1","5","9","1") = "9"
    & skf18("6","10","5","1","5","10","1") = "9"
    & skf18("6","10","5","1","6","1","1") = "9"
    & skf18("6","10","5","1","6","2","1") = "9"
    & skf18("6","10","5","1","6","3","1") = "9"
    & skf18("6","10","5","1","6","4","1") = "9"
    & skf18("6","10","5","1","6","5","1") = "9"
    & skf18("6","10","5","1","6","6","1") = "9"
    & skf18("6","10","5","1","6","7","1") = "9"
    & skf18("6","10","5","1","6","8","1") = "9"
    & skf18("6","10","5","1","6","9","1") = "9"
    & skf18("6","10","5","1","6","10","1") = "9"
    & skf18("6","10","5","1","7","1","1") = "9"
    & skf18("6","10","5","1","7","2","1") = "9"
    & skf18("6","10","5","1","7","3","1") = "9"
    & skf18("6","10","5","1","7","4","1") = "9"
    & skf18("6","10","5","1","7","5","1") = "9"
    & skf18("6","10","5","1","7","6","1") = "9"
    & skf18("6","10","5","1","7","7","1") = "9"
    & skf18("6","10","5","1","7","8","1") = "9"
    & skf18("6","10","5","1","7","9","1") = "9"
    & skf18("6","10","5","1","7","10","1") = "9"
    & skf18("6","10","5","1","8","1","1") = "9"
    & skf18("6","10","5","1","8","2","1") = "9"
    & skf18("6","10","5","1","8","3","1") = "9"
    & skf18("6","10","5","1","8","4","1") = "9"
    & skf18("6","10","5","1","8","5","1") = "9"
    & skf18("6","10","5","1","8","6","1") = "9"
    & skf18("6","10","5","1","8","7","1") = "9"
    & skf18("6","10","5","1","8","8","1") = "9"
    & skf18("6","10","5","1","8","9","1") = "9"
    & skf18("6","10","5","1","8","10","1") = "9"
    & skf18("6","10","5","1","9","1","1") = "9"
    & skf18("6","10","5","1","9","2","1") = "9"
    & skf18("6","10","5","1","9","3","1") = "9"
    & skf18("6","10","5","1","9","4","1") = "9"
    & skf18("6","10","5","1","9","5","1") = "9"
    & skf18("6","10","5","1","9","6","1") = "9"
    & skf18("6","10","5","1","9","7","1") = "9"
    & skf18("6","10","5","1","9","8","1") = "9"
    & skf18("6","10","5","1","9","9","1") = "9"
    & skf18("6","10","5","1","9","10","1") = "9"
    & skf18("6","10","5","1","10","1","1") = "9"
    & skf18("6","10","5","1","10","2","1") = "9"
    & skf18("6","10","5","1","10","3","1") = "9"
    & skf18("6","10","5","1","10","4","1") = "9"
    & skf18("6","10","5","1","10","5","1") = "9"
    & skf18("6","10","5","1","10","6","1") = "9"
    & skf18("6","10","5","1","10","7","1") = "9"
    & skf18("6","10","5","1","10","8","1") = "9"
    & skf18("6","10","5","1","10","9","1") = "9"
    & skf18("6","10","5","1","10","10","1") = "9"
    & skf18("6","10","5","2","1","1","1") = "9"
    & skf18("6","10","5","2","1","2","1") = "9"
    & skf18("6","10","5","2","1","3","1") = "9"
    & skf18("6","10","5","2","1","4","1") = "9"
    & skf18("6","10","5","2","1","5","1") = "9"
    & skf18("6","10","5","2","1","6","1") = "9"
    & skf18("6","10","5","2","1","7","1") = "9"
    & skf18("6","10","5","2","1","8","1") = "9"
    & skf18("6","10","5","2","1","9","1") = "9"
    & skf18("6","10","5","2","1","10","1") = "9"
    & skf18("6","10","5","2","2","1","1") = "9"
    & skf18("6","10","5","2","2","2","1") = "9"
    & skf18("6","10","5","2","2","3","1") = "9"
    & skf18("6","10","5","2","2","4","1") = "9"
    & skf18("6","10","5","2","2","5","1") = "9"
    & skf18("6","10","5","2","2","6","1") = "9"
    & skf18("6","10","5","2","2","7","1") = "9"
    & skf18("6","10","5","2","2","8","1") = "9"
    & skf18("6","10","5","2","2","9","1") = "9"
    & skf18("6","10","5","2","2","10","1") = "9"
    & skf18("6","10","5","2","3","1","1") = "9"
    & skf18("6","10","5","2","3","2","1") = "9"
    & skf18("6","10","5","2","3","3","1") = "9"
    & skf18("6","10","5","2","3","4","1") = "9"
    & skf18("6","10","5","2","3","5","1") = "9"
    & skf18("6","10","5","2","3","6","1") = "9"
    & skf18("6","10","5","2","3","7","1") = "9"
    & skf18("6","10","5","2","3","8","1") = "9"
    & skf18("6","10","5","2","3","9","1") = "9"
    & skf18("6","10","5","2","3","10","1") = "9"
    & skf18("6","10","5","2","4","1","1") = "9"
    & skf18("6","10","5","2","4","2","1") = "9"
    & skf18("6","10","5","2","4","3","1") = "9"
    & skf18("6","10","5","2","4","4","1") = "9"
    & skf18("6","10","5","2","4","5","1") = "9"
    & skf18("6","10","5","2","4","6","1") = "9"
    & skf18("6","10","5","2","4","7","1") = "9"
    & skf18("6","10","5","2","4","8","1") = "9"
    & skf18("6","10","5","2","4","9","1") = "9"
    & skf18("6","10","5","2","4","10","1") = "9"
    & skf18("6","10","5","2","5","1","1") = "9"
    & skf18("6","10","5","2","5","2","1") = "9"
    & skf18("6","10","5","2","5","3","1") = "9"
    & skf18("6","10","5","2","5","4","1") = "9"
    & skf18("6","10","5","2","5","5","1") = "9"
    & skf18("6","10","5","2","5","6","1") = "9"
    & skf18("6","10","5","2","5","7","1") = "9"
    & skf18("6","10","5","2","5","8","1") = "9"
    & skf18("6","10","5","2","5","9","1") = "9"
    & skf18("6","10","5","2","5","10","1") = "9"
    & skf18("6","10","5","2","6","1","1") = "9"
    & skf18("6","10","5","2","6","2","1") = "9"
    & skf18("6","10","5","2","6","3","1") = "9"
    & skf18("6","10","5","2","6","4","1") = "9"
    & skf18("6","10","5","2","6","5","1") = "9"
    & skf18("6","10","5","2","6","6","1") = "9"
    & skf18("6","10","5","2","6","7","1") = "9"
    & skf18("6","10","5","2","6","8","1") = "9"
    & skf18("6","10","5","2","6","9","1") = "9"
    & skf18("6","10","5","2","6","10","1") = "9"
    & skf18("6","10","5","2","7","1","1") = "9"
    & skf18("6","10","5","2","7","2","1") = "9"
    & skf18("6","10","5","2","7","3","1") = "9"
    & skf18("6","10","5","2","7","4","1") = "9"
    & skf18("6","10","5","2","7","5","1") = "9"
    & skf18("6","10","5","2","7","6","1") = "9"
    & skf18("6","10","5","2","7","7","1") = "9"
    & skf18("6","10","5","2","7","8","1") = "9"
    & skf18("6","10","5","2","7","9","1") = "9"
    & skf18("6","10","5","2","7","10","1") = "9"
    & skf18("6","10","5","2","8","1","1") = "9"
    & skf18("6","10","5","2","8","2","1") = "9"
    & skf18("6","10","5","2","8","3","1") = "9"
    & skf18("6","10","5","2","8","4","1") = "9"
    & skf18("6","10","5","2","8","5","1") = "9"
    & skf18("6","10","5","2","8","6","1") = "9"
    & skf18("6","10","5","2","8","7","1") = "9"
    & skf18("6","10","5","2","8","8","1") = "9"
    & skf18("6","10","5","2","8","9","1") = "9"
    & skf18("6","10","5","2","8","10","1") = "9"
    & skf18("6","10","5","2","9","1","1") = "9"
    & skf18("6","10","5","2","9","2","1") = "9"
    & skf18("6","10","5","2","9","3","1") = "9"
    & skf18("6","10","5","2","9","4","1") = "9"
    & skf18("6","10","5","2","9","5","1") = "9"
    & skf18("6","10","5","2","9","6","1") = "9"
    & skf18("6","10","5","2","9","7","1") = "9"
    & skf18("6","10","5","2","9","8","1") = "9"
    & skf18("6","10","5","2","9","9","1") = "9"
    & skf18("6","10","5","2","9","10","1") = "9"
    & skf18("6","10","5","2","10","1","1") = "9"
    & skf18("6","10","5","2","10","2","1") = "9"
    & skf18("6","10","5","2","10","3","1") = "9"
    & skf18("6","10","5","2","10","4","1") = "9"
    & skf18("6","10","5","2","10","5","1") = "9"
    & skf18("6","10","5","2","10","6","1") = "9"
    & skf18("6","10","5","2","10","7","1") = "9"
    & skf18("6","10","5","2","10","8","1") = "9"
    & skf18("6","10","5","2","10","9","1") = "9"
    & skf18("6","10","5","2","10","10","1") = "9"
    & skf18("6","10","5","3","1","1","1") = "9"
    & skf18("6","10","5","3","1","2","1") = "9"
    & skf18("6","10","5","3","1","3","1") = "9"
    & skf18("6","10","5","3","1","4","1") = "9"
    & skf18("6","10","5","3","1","5","1") = "9"
    & skf18("6","10","5","3","1","6","1") = "9"
    & skf18("6","10","5","3","1","7","1") = "9"
    & skf18("6","10","5","3","1","8","1") = "9"
    & skf18("6","10","5","3","1","9","1") = "9"
    & skf18("6","10","5","3","1","10","1") = "9"
    & skf18("6","10","5","3","2","1","1") = "9"
    & skf18("6","10","5","3","2","2","1") = "9"
    & skf18("6","10","5","3","2","3","1") = "9"
    & skf18("6","10","5","3","2","4","1") = "9"
    & skf18("6","10","5","3","2","5","1") = "9"
    & skf18("6","10","5","3","2","6","1") = "9"
    & skf18("6","10","5","3","2","7","1") = "9"
    & skf18("6","10","5","3","2","8","1") = "9"
    & skf18("6","10","5","3","2","9","1") = "9"
    & skf18("6","10","5","3","2","10","1") = "9"
    & skf18("6","10","5","3","3","1","1") = "9"
    & skf18("6","10","5","3","3","2","1") = "9"
    & skf18("6","10","5","3","3","3","1") = "9"
    & skf18("6","10","5","3","3","4","1") = "9"
    & skf18("6","10","5","3","3","5","1") = "9"
    & skf18("6","10","5","3","3","6","1") = "9"
    & skf18("6","10","5","3","3","7","1") = "9"
    & skf18("6","10","5","3","3","8","1") = "9"
    & skf18("6","10","5","3","3","9","1") = "9"
    & skf18("6","10","5","3","3","10","1") = "9"
    & skf18("6","10","5","3","4","1","1") = "9"
    & skf18("6","10","5","3","4","2","1") = "9"
    & skf18("6","10","5","3","4","3","1") = "9"
    & skf18("6","10","5","3","4","4","1") = "9"
    & skf18("6","10","5","3","4","5","1") = "9"
    & skf18("6","10","5","3","4","6","1") = "9"
    & skf18("6","10","5","3","4","7","1") = "9"
    & skf18("6","10","5","3","4","8","1") = "9"
    & skf18("6","10","5","3","4","9","1") = "9"
    & skf18("6","10","5","3","4","10","1") = "9"
    & skf18("6","10","5","3","5","1","1") = "9"
    & skf18("6","10","5","3","5","2","1") = "9"
    & skf18("6","10","5","3","5","3","1") = "9"
    & skf18("6","10","5","3","5","4","1") = "9"
    & skf18("6","10","5","3","5","5","1") = "9"
    & skf18("6","10","5","3","5","6","1") = "9"
    & skf18("6","10","5","3","5","7","1") = "9"
    & skf18("6","10","5","3","5","8","1") = "9"
    & skf18("6","10","5","3","5","9","1") = "9"
    & skf18("6","10","5","3","5","10","1") = "9"
    & skf18("6","10","5","3","6","1","1") = "9"
    & skf18("6","10","5","3","6","2","1") = "9"
    & skf18("6","10","5","3","6","3","1") = "9"
    & skf18("6","10","5","3","6","4","1") = "9"
    & skf18("6","10","5","3","6","5","1") = "9"
    & skf18("6","10","5","3","6","6","1") = "9"
    & skf18("6","10","5","3","6","7","1") = "9"
    & skf18("6","10","5","3","6","8","1") = "9"
    & skf18("6","10","5","3","6","9","1") = "9"
    & skf18("6","10","5","3","6","10","1") = "9"
    & skf18("6","10","5","3","7","1","1") = "9"
    & skf18("6","10","5","3","7","2","1") = "9"
    & skf18("6","10","5","3","7","3","1") = "9"
    & skf18("6","10","5","3","7","4","1") = "9"
    & skf18("6","10","5","3","7","5","1") = "9"
    & skf18("6","10","5","3","7","6","1") = "9"
    & skf18("6","10","5","3","7","7","1") = "9"
    & skf18("6","10","5","3","7","8","1") = "9"
    & skf18("6","10","5","3","7","9","1") = "9"
    & skf18("6","10","5","3","7","10","1") = "9"
    & skf18("6","10","5","3","8","1","1") = "9"
    & skf18("6","10","5","3","8","2","1") = "9"
    & skf18("6","10","5","3","8","3","1") = "9"
    & skf18("6","10","5","3","8","4","1") = "9"
    & skf18("6","10","5","3","8","5","1") = "9"
    & skf18("6","10","5","3","8","6","1") = "9"
    & skf18("6","10","5","3","8","7","1") = "9"
    & skf18("6","10","5","3","8","8","1") = "9"
    & skf18("6","10","5","3","8","9","1") = "9"
    & skf18("6","10","5","3","8","10","1") = "9"
    & skf18("6","10","5","3","9","1","1") = "9"
    & skf18("6","10","5","3","9","2","1") = "9"
    & skf18("6","10","5","3","9","3","1") = "9"
    & skf18("6","10","5","3","9","4","1") = "9"
    & skf18("6","10","5","3","9","5","1") = "9"
    & skf18("6","10","5","3","9","6","1") = "9"
    & skf18("6","10","5","3","9","7","1") = "9"
    & skf18("6","10","5","3","9","8","1") = "9"
    & skf18("6","10","5","3","9","9","1") = "9"
    & skf18("6","10","5","3","9","10","1") = "9"
    & skf18("6","10","5","3","10","1","1") = "9"
    & skf18("6","10","5","3","10","2","1") = "9"
    & skf18("6","10","5","3","10","3","1") = "9"
    & skf18("6","10","5","3","10","4","1") = "9"
    & skf18("6","10","5","3","10","5","1") = "9"
    & skf18("6","10","5","3","10","6","1") = "9"
    & skf18("6","10","5","3","10","7","1") = "9"
    & skf18("6","10","5","3","10","8","1") = "9"
    & skf18("6","10","5","3","10","9","1") = "9"
    & skf18("6","10","5","3","10","10","1") = "9"
    & skf18("6","10","5","4","1","1","1") = "9"
    & skf18("6","10","5","4","1","2","1") = "9"
    & skf18("6","10","5","4","1","3","1") = "9"
    & skf18("6","10","5","4","1","4","1") = "9"
    & skf18("6","10","5","4","1","5","1") = "9"
    & skf18("6","10","5","4","1","6","1") = "9"
    & skf18("6","10","5","4","1","7","1") = "9"
    & skf18("6","10","5","4","1","8","1") = "9"
    & skf18("6","10","5","4","1","9","1") = "9"
    & skf18("6","10","5","4","1","10","1") = "9"
    & skf18("6","10","5","4","2","1","1") = "9"
    & skf18("6","10","5","4","2","2","1") = "9"
    & skf18("6","10","5","4","2","3","1") = "9"
    & skf18("6","10","5","4","2","4","1") = "9"
    & skf18("6","10","5","4","2","5","1") = "9"
    & skf18("6","10","5","4","2","6","1") = "9"
    & skf18("6","10","5","4","2","7","1") = "9"
    & skf18("6","10","5","4","2","8","1") = "9"
    & skf18("6","10","5","4","2","9","1") = "9"
    & skf18("6","10","5","4","2","10","1") = "9"
    & skf18("6","10","5","4","3","1","1") = "9"
    & skf18("6","10","5","4","3","2","1") = "9"
    & skf18("6","10","5","4","3","3","1") = "9"
    & skf18("6","10","5","4","3","4","1") = "9"
    & skf18("6","10","5","4","3","5","1") = "9"
    & skf18("6","10","5","4","3","6","1") = "9"
    & skf18("6","10","5","4","3","7","1") = "9"
    & skf18("6","10","5","4","3","8","1") = "9"
    & skf18("6","10","5","4","3","9","1") = "9"
    & skf18("6","10","5","4","3","10","1") = "9"
    & skf18("6","10","5","4","4","1","1") = "9"
    & skf18("6","10","5","4","4","2","1") = "9"
    & skf18("6","10","5","4","4","3","1") = "9"
    & skf18("6","10","5","4","4","4","1") = "9"
    & skf18("6","10","5","4","4","5","1") = "9"
    & skf18("6","10","5","4","4","6","1") = "9"
    & skf18("6","10","5","4","4","7","1") = "9"
    & skf18("6","10","5","4","4","8","1") = "9"
    & skf18("6","10","5","4","4","9","1") = "9"
    & skf18("6","10","5","4","4","10","1") = "9"
    & skf18("6","10","5","4","5","1","1") = "9"
    & skf18("6","10","5","4","5","2","1") = "9"
    & skf18("6","10","5","4","5","3","1") = "9"
    & skf18("6","10","5","4","5","4","1") = "9"
    & skf18("6","10","5","4","5","5","1") = "9"
    & skf18("6","10","5","4","5","6","1") = "9"
    & skf18("6","10","5","4","5","7","1") = "9"
    & skf18("6","10","5","4","5","8","1") = "9"
    & skf18("6","10","5","4","5","9","1") = "9"
    & skf18("6","10","5","4","5","10","1") = "9"
    & skf18("6","10","5","4","6","1","1") = "9"
    & skf18("6","10","5","4","6","2","1") = "9"
    & skf18("6","10","5","4","6","3","1") = "9"
    & skf18("6","10","5","4","6","4","1") = "9"
    & skf18("6","10","5","4","6","5","1") = "9"
    & skf18("6","10","5","4","6","6","1") = "9"
    & skf18("6","10","5","4","6","7","1") = "9"
    & skf18("6","10","5","4","6","8","1") = "9"
    & skf18("6","10","5","4","6","9","1") = "9"
    & skf18("6","10","5","4","6","10","1") = "9"
    & skf18("6","10","5","4","7","1","1") = "9"
    & skf18("6","10","5","4","7","2","1") = "9"
    & skf18("6","10","5","4","7","3","1") = "9"
    & skf18("6","10","5","4","7","4","1") = "9"
    & skf18("6","10","5","4","7","5","1") = "9"
    & skf18("6","10","5","4","7","6","1") = "9"
    & skf18("6","10","5","4","7","7","1") = "9"
    & skf18("6","10","5","4","7","8","1") = "9"
    & skf18("6","10","5","4","7","9","1") = "9"
    & skf18("6","10","5","4","7","10","1") = "9"
    & skf18("6","10","5","4","8","1","1") = "9"
    & skf18("6","10","5","4","8","2","1") = "9"
    & skf18("6","10","5","4","8","3","1") = "9"
    & skf18("6","10","5","4","8","4","1") = "9"
    & skf18("6","10","5","4","8","5","1") = "9"
    & skf18("6","10","5","4","8","6","1") = "9"
    & skf18("6","10","5","4","8","7","1") = "9"
    & skf18("6","10","5","4","8","8","1") = "9"
    & skf18("6","10","5","4","8","9","1") = "9"
    & skf18("6","10","5","4","8","10","1") = "9"
    & skf18("6","10","5","4","9","1","1") = "9"
    & skf18("6","10","5","4","9","2","1") = "9"
    & skf18("6","10","5","4","9","3","1") = "9"
    & skf18("6","10","5","4","9","4","1") = "9"
    & skf18("6","10","5","4","9","5","1") = "9"
    & skf18("6","10","5","4","9","6","1") = "9"
    & skf18("6","10","5","4","9","7","1") = "9"
    & skf18("6","10","5","4","9","8","1") = "9"
    & skf18("6","10","5","4","9","9","1") = "9"
    & skf18("6","10","5","4","9","10","1") = "9"
    & skf18("6","10","5","4","10","1","1") = "9"
    & skf18("6","10","5","4","10","2","1") = "9"
    & skf18("6","10","5","4","10","3","1") = "9"
    & skf18("6","10","5","4","10","4","1") = "9"
    & skf18("6","10","5","4","10","5","1") = "9"
    & skf18("6","10","5","4","10","6","1") = "9"
    & skf18("6","10","5","4","10","7","1") = "9"
    & skf18("6","10","5","4","10","8","1") = "9"
    & skf18("6","10","5","4","10","9","1") = "9"
    & skf18("6","10","5","4","10","10","1") = "9"
    & skf18("6","10","5","5","1","1","1") = "9"
    & skf18("6","10","5","5","1","2","1") = "9"
    & skf18("6","10","5","5","1","3","1") = "9"
    & skf18("6","10","5","5","1","4","1") = "9"
    & skf18("6","10","5","5","1","5","1") = "9"
    & skf18("6","10","5","5","1","6","1") = "9"
    & skf18("6","10","5","5","1","7","1") = "9"
    & skf18("6","10","5","5","1","8","1") = "9"
    & skf18("6","10","5","5","1","9","1") = "9"
    & skf18("6","10","5","5","1","10","1") = "9"
    & skf18("6","10","5","5","2","1","1") = "9"
    & skf18("6","10","5","5","2","2","1") = "9"
    & skf18("6","10","5","5","2","3","1") = "9"
    & skf18("6","10","5","5","2","4","1") = "9"
    & skf18("6","10","5","5","2","5","1") = "9"
    & skf18("6","10","5","5","2","6","1") = "9"
    & skf18("6","10","5","5","2","7","1") = "9"
    & skf18("6","10","5","5","2","8","1") = "9"
    & skf18("6","10","5","5","2","9","1") = "9"
    & skf18("6","10","5","5","2","10","1") = "9"
    & skf18("6","10","5","5","3","1","1") = "9"
    & skf18("6","10","5","5","3","2","1") = "9"
    & skf18("6","10","5","5","3","3","1") = "9"
    & skf18("6","10","5","5","3","4","1") = "9"
    & skf18("6","10","5","5","3","5","1") = "9"
    & skf18("6","10","5","5","3","6","1") = "9"
    & skf18("6","10","5","5","3","7","1") = "9"
    & skf18("6","10","5","5","3","8","1") = "9"
    & skf18("6","10","5","5","3","9","1") = "9"
    & skf18("6","10","5","5","3","10","1") = "9"
    & skf18("6","10","5","5","4","1","1") = "9"
    & skf18("6","10","5","5","4","2","1") = "9"
    & skf18("6","10","5","5","4","3","1") = "9"
    & skf18("6","10","5","5","4","4","1") = "9"
    & skf18("6","10","5","5","4","5","1") = "9"
    & skf18("6","10","5","5","4","6","1") = "9"
    & skf18("6","10","5","5","4","7","1") = "9"
    & skf18("6","10","5","5","4","8","1") = "9"
    & skf18("6","10","5","5","4","9","1") = "9"
    & skf18("6","10","5","5","4","10","1") = "9"
    & skf18("6","10","5","5","5","1","1") = "9"
    & skf18("6","10","5","5","5","2","1") = "9"
    & skf18("6","10","5","5","5","3","1") = "9"
    & skf18("6","10","5","5","5","4","1") = "9"
    & skf18("6","10","5","5","5","5","1") = "9"
    & skf18("6","10","5","5","5","6","1") = "9"
    & skf18("6","10","5","5","5","7","1") = "9"
    & skf18("6","10","5","5","5","8","1") = "9"
    & skf18("6","10","5","5","5","9","1") = "9"
    & skf18("6","10","5","5","5","10","1") = "9"
    & skf18("6","10","5","5","6","1","1") = "9"
    & skf18("6","10","5","5","6","2","1") = "9"
    & skf18("6","10","5","5","6","3","1") = "9"
    & skf18("6","10","5","5","6","4","1") = "9"
    & skf18("6","10","5","5","6","5","1") = "9"
    & skf18("6","10","5","5","6","6","1") = "9"
    & skf18("6","10","5","5","6","7","1") = "9"
    & skf18("6","10","5","5","6","8","1") = "9"
    & skf18("6","10","5","5","6","9","1") = "9"
    & skf18("6","10","5","5","6","10","1") = "9"
    & skf18("6","10","5","5","7","1","1") = "9"
    & skf18("6","10","5","5","7","2","1") = "9"
    & skf18("6","10","5","5","7","3","1") = "9"
    & skf18("6","10","5","5","7","4","1") = "9"
    & skf18("6","10","5","5","7","5","1") = "9"
    & skf18("6","10","5","5","7","6","1") = "9"
    & skf18("6","10","5","5","7","7","1") = "9"
    & skf18("6","10","5","5","7","8","1") = "9"
    & skf18("6","10","5","5","7","9","1") = "9"
    & skf18("6","10","5","5","7","10","1") = "9"
    & skf18("6","10","5","5","8","1","1") = "9"
    & skf18("6","10","5","5","8","2","1") = "9"
    & skf18("6","10","5","5","8","3","1") = "9"
    & skf18("6","10","5","5","8","4","1") = "9"
    & skf18("6","10","5","5","8","5","1") = "9"
    & skf18("6","10","5","5","8","6","1") = "9"
    & skf18("6","10","5","5","8","7","1") = "9"
    & skf18("6","10","5","5","8","8","1") = "9"
    & skf18("6","10","5","5","8","9","1") = "9"
    & skf18("6","10","5","5","8","10","1") = "9"
    & skf18("6","10","5","5","9","1","1") = "9"
    & skf18("6","10","5","5","9","2","1") = "9"
    & skf18("6","10","5","5","9","3","1") = "9"
    & skf18("6","10","5","5","9","4","1") = "9"
    & skf18("6","10","5","5","9","5","1") = "9"
    & skf18("6","10","5","5","9","6","1") = "9"
    & skf18("6","10","5","5","9","7","1") = "9"
    & skf18("6","10","5","5","9","8","1") = "9"
    & skf18("6","10","5","5","9","9","1") = "9"
    & skf18("6","10","5","5","9","10","1") = "9"
    & skf18("6","10","5","5","10","1","1") = "9"
    & skf18("6","10","5","5","10","2","1") = "9"
    & skf18("6","10","5","5","10","3","1") = "9"
    & skf18("6","10","5","5","10","4","1") = "9"
    & skf18("6","10","5","5","10","5","1") = "9"
    & skf18("6","10","5","5","10","6","1") = "9"
    & skf18("6","10","5","5","10","7","1") = "9"
    & skf18("6","10","5","5","10","8","1") = "9"
    & skf18("6","10","5","5","10","9","1") = "9"
    & skf18("6","10","5","5","10","10","1") = "9"
    & skf18("6","10","5","6","1","1","1") = "9"
    & skf18("6","10","5","6","1","2","1") = "9"
    & skf18("6","10","5","6","1","3","1") = "9"
    & skf18("6","10","5","6","1","4","1") = "9"
    & skf18("6","10","5","6","1","5","1") = "9"
    & skf18("6","10","5","6","1","6","1") = "9"
    & skf18("6","10","5","6","1","7","1") = "9"
    & skf18("6","10","5","6","1","8","1") = "9"
    & skf18("6","10","5","6","1","9","1") = "9"
    & skf18("6","10","5","6","1","10","1") = "9"
    & skf18("6","10","5","6","2","1","1") = "9"
    & skf18("6","10","5","6","2","2","1") = "9"
    & skf18("6","10","5","6","2","3","1") = "9"
    & skf18("6","10","5","6","2","4","1") = "9"
    & skf18("6","10","5","6","2","5","1") = "9"
    & skf18("6","10","5","6","2","6","1") = "9"
    & skf18("6","10","5","6","2","7","1") = "9"
    & skf18("6","10","5","6","2","8","1") = "9"
    & skf18("6","10","5","6","2","9","1") = "9"
    & skf18("6","10","5","6","2","10","1") = "9"
    & skf18("6","10","5","6","3","1","1") = "9"
    & skf18("6","10","5","6","3","2","1") = "9"
    & skf18("6","10","5","6","3","3","1") = "9"
    & skf18("6","10","5","6","3","4","1") = "9"
    & skf18("6","10","5","6","3","5","1") = "9"
    & skf18("6","10","5","6","3","6","1") = "9"
    & skf18("6","10","5","6","3","7","1") = "9"
    & skf18("6","10","5","6","3","8","1") = "9"
    & skf18("6","10","5","6","3","9","1") = "9"
    & skf18("6","10","5","6","3","10","1") = "9"
    & skf18("6","10","5","6","4","1","1") = "9"
    & skf18("6","10","5","6","4","2","1") = "9"
    & skf18("6","10","5","6","4","3","1") = "9"
    & skf18("6","10","5","6","4","4","1") = "9"
    & skf18("6","10","5","6","4","5","1") = "9"
    & skf18("6","10","5","6","4","6","1") = "9"
    & skf18("6","10","5","6","4","7","1") = "9"
    & skf18("6","10","5","6","4","8","1") = "9"
    & skf18("6","10","5","6","4","9","1") = "9"
    & skf18("6","10","5","6","4","10","1") = "9"
    & skf18("6","10","5","6","5","1","1") = "9"
    & skf18("6","10","5","6","5","2","1") = "9"
    & skf18("6","10","5","6","5","3","1") = "9"
    & skf18("6","10","5","6","5","4","1") = "9"
    & skf18("6","10","5","6","5","5","1") = "9"
    & skf18("6","10","5","6","5","6","1") = "9"
    & skf18("6","10","5","6","5","7","1") = "9"
    & skf18("6","10","5","6","5","8","1") = "9"
    & skf18("6","10","5","6","5","9","1") = "9"
    & skf18("6","10","5","6","5","10","1") = "9"
    & skf18("6","10","5","6","6","1","1") = "9"
    & skf18("6","10","5","6","6","2","1") = "9"
    & skf18("6","10","5","6","6","3","1") = "9"
    & skf18("6","10","5","6","6","4","1") = "9"
    & skf18("6","10","5","6","6","5","1") = "9"
    & skf18("6","10","5","6","6","6","1") = "9"
    & skf18("6","10","5","6","6","7","1") = "9"
    & skf18("6","10","5","6","6","8","1") = "9"
    & skf18("6","10","5","6","6","9","1") = "9"
    & skf18("6","10","5","6","6","10","1") = "9"
    & skf18("6","10","5","6","7","1","1") = "9"
    & skf18("6","10","5","6","7","2","1") = "9"
    & skf18("6","10","5","6","7","3","1") = "9"
    & skf18("6","10","5","6","7","4","1") = "9"
    & skf18("6","10","5","6","7","5","1") = "9"
    & skf18("6","10","5","6","7","6","1") = "9"
    & skf18("6","10","5","6","7","7","1") = "9"
    & skf18("6","10","5","6","7","8","1") = "9"
    & skf18("6","10","5","6","7","9","1") = "9"
    & skf18("6","10","5","6","7","10","1") = "9"
    & skf18("6","10","5","6","8","1","1") = "9"
    & skf18("6","10","5","6","8","2","1") = "9"
    & skf18("6","10","5","6","8","3","1") = "9"
    & skf18("6","10","5","6","8","4","1") = "9"
    & skf18("6","10","5","6","8","5","1") = "9"
    & skf18("6","10","5","6","8","6","1") = "9"
    & skf18("6","10","5","6","8","7","1") = "9"
    & skf18("6","10","5","6","8","8","1") = "9"
    & skf18("6","10","5","6","8","9","1") = "9"
    & skf18("6","10","5","6","8","10","1") = "9"
    & skf18("6","10","5","6","9","1","1") = "9"
    & skf18("6","10","5","6","9","2","1") = "9"
    & skf18("6","10","5","6","9","3","1") = "9"
    & skf18("6","10","5","6","9","4","1") = "9"
    & skf18("6","10","5","6","9","5","1") = "9"
    & skf18("6","10","5","6","9","6","1") = "9"
    & skf18("6","10","5","6","9","7","1") = "9"
    & skf18("6","10","5","6","9","8","1") = "9"
    & skf18("6","10","5","6","9","9","1") = "9"
    & skf18("6","10","5","6","9","10","1") = "9"
    & skf18("6","10","5","6","10","1","1") = "9"
    & skf18("6","10","5","6","10","2","1") = "9"
    & skf18("6","10","5","6","10","3","1") = "9"
    & skf18("6","10","5","6","10","4","1") = "9"
    & skf18("6","10","5","6","10","5","1") = "9"
    & skf18("6","10","5","6","10","6","1") = "9"
    & skf18("6","10","5","6","10","7","1") = "9"
    & skf18("6","10","5","6","10","8","1") = "9"
    & skf18("6","10","5","6","10","9","1") = "9"
    & skf18("6","10","5","6","10","10","1") = "9"
    & skf18("6","10","5","7","1","1","1") = "9"
    & skf18("6","10","5","7","1","2","1") = "9"
    & skf18("6","10","5","7","1","3","1") = "9"
    & skf18("6","10","5","7","1","4","1") = "9"
    & skf18("6","10","5","7","1","5","1") = "9"
    & skf18("6","10","5","7","1","6","1") = "9"
    & skf18("6","10","5","7","1","7","1") = "9"
    & skf18("6","10","5","7","1","8","1") = "9"
    & skf18("6","10","5","7","1","9","1") = "9"
    & skf18("6","10","5","7","1","10","1") = "9"
    & skf18("6","10","5","7","2","1","1") = "9"
    & skf18("6","10","5","7","2","2","1") = "9"
    & skf18("6","10","5","7","2","3","1") = "9"
    & skf18("6","10","5","7","2","4","1") = "9"
    & skf18("6","10","5","7","2","5","1") = "9"
    & skf18("6","10","5","7","2","6","1") = "9"
    & skf18("6","10","5","7","2","7","1") = "9"
    & skf18("6","10","5","7","2","8","1") = "9"
    & skf18("6","10","5","7","2","9","1") = "9"
    & skf18("6","10","5","7","2","10","1") = "9"
    & skf18("6","10","5","7","3","1","1") = "9"
    & skf18("6","10","5","7","3","2","1") = "9"
    & skf18("6","10","5","7","3","3","1") = "9"
    & skf18("6","10","5","7","3","4","1") = "9"
    & skf18("6","10","5","7","3","5","1") = "9"
    & skf18("6","10","5","7","3","6","1") = "9"
    & skf18("6","10","5","7","3","7","1") = "9"
    & skf18("6","10","5","7","3","8","1") = "9"
    & skf18("6","10","5","7","3","9","1") = "9"
    & skf18("6","10","5","7","3","10","1") = "9"
    & skf18("6","10","5","7","4","1","1") = "9"
    & skf18("6","10","5","7","4","2","1") = "9"
    & skf18("6","10","5","7","4","3","1") = "9"
    & skf18("6","10","5","7","4","4","1") = "9"
    & skf18("6","10","5","7","4","5","1") = "9"
    & skf18("6","10","5","7","4","6","1") = "9"
    & skf18("6","10","5","7","4","7","1") = "9"
    & skf18("6","10","5","7","4","8","1") = "9"
    & skf18("6","10","5","7","4","9","1") = "9"
    & skf18("6","10","5","7","4","10","1") = "9"
    & skf18("6","10","5","7","5","1","1") = "9"
    & skf18("6","10","5","7","5","2","1") = "9"
    & skf18("6","10","5","7","5","3","1") = "9"
    & skf18("6","10","5","7","5","4","1") = "9"
    & skf18("6","10","5","7","5","5","1") = "9"
    & skf18("6","10","5","7","5","6","1") = "9"
    & skf18("6","10","5","7","5","7","1") = "9"
    & skf18("6","10","5","7","5","8","1") = "9"
    & skf18("6","10","5","7","5","9","1") = "9"
    & skf18("6","10","5","7","5","10","1") = "9"
    & skf18("6","10","5","7","6","1","1") = "9"
    & skf18("6","10","5","7","6","2","1") = "9"
    & skf18("6","10","5","7","6","3","1") = "9"
    & skf18("6","10","5","7","6","4","1") = "9"
    & skf18("6","10","5","7","6","5","1") = "9"
    & skf18("6","10","5","7","6","6","1") = "9"
    & skf18("6","10","5","7","6","7","1") = "9"
    & skf18("6","10","5","7","6","8","1") = "9"
    & skf18("6","10","5","7","6","9","1") = "9"
    & skf18("6","10","5","7","6","10","1") = "9"
    & skf18("6","10","5","7","7","1","1") = "9"
    & skf18("6","10","5","7","7","2","1") = "9"
    & skf18("6","10","5","7","7","3","1") = "9"
    & skf18("6","10","5","7","7","4","1") = "9"
    & skf18("6","10","5","7","7","5","1") = "9"
    & skf18("6","10","5","7","7","6","1") = "9"
    & skf18("6","10","5","7","7","7","1") = "9"
    & skf18("6","10","5","7","7","8","1") = "9"
    & skf18("6","10","5","7","7","9","1") = "9"
    & skf18("6","10","5","7","7","10","1") = "9"
    & skf18("6","10","5","7","8","1","1") = "9"
    & skf18("6","10","5","7","8","2","1") = "9"
    & skf18("6","10","5","7","8","3","1") = "9"
    & skf18("6","10","5","7","8","4","1") = "9"
    & skf18("6","10","5","7","8","5","1") = "9"
    & skf18("6","10","5","7","8","6","1") = "9"
    & skf18("6","10","5","7","8","7","1") = "9"
    & skf18("6","10","5","7","8","8","1") = "9"
    & skf18("6","10","5","7","8","9","1") = "9"
    & skf18("6","10","5","7","8","10","1") = "9"
    & skf18("6","10","5","7","9","1","1") = "9"
    & skf18("6","10","5","7","9","2","1") = "9"
    & skf18("6","10","5","7","9","3","1") = "9"
    & skf18("6","10","5","7","9","4","1") = "9"
    & skf18("6","10","5","7","9","5","1") = "9"
    & skf18("6","10","5","7","9","6","1") = "9"
    & skf18("6","10","5","7","9","7","1") = "9"
    & skf18("6","10","5","7","9","8","1") = "9"
    & skf18("6","10","5","7","9","9","1") = "9"
    & skf18("6","10","5","7","9","10","1") = "9"
    & skf18("6","10","5","7","10","1","1") = "9"
    & skf18("6","10","5","7","10","2","1") = "9"
    & skf18("6","10","5","7","10","3","1") = "9"
    & skf18("6","10","5","7","10","4","1") = "9"
    & skf18("6","10","5","7","10","5","1") = "9"
    & skf18("6","10","5","7","10","6","1") = "9"
    & skf18("6","10","5","7","10","7","1") = "9"
    & skf18("6","10","5","7","10","8","1") = "9"
    & skf18("6","10","5","7","10","9","1") = "9"
    & skf18("6","10","5","7","10","10","1") = "9"
    & skf18("6","10","5","8","1","1","1") = "9"
    & skf18("6","10","5","8","1","2","1") = "9"
    & skf18("6","10","5","8","1","3","1") = "9"
    & skf18("6","10","5","8","1","4","1") = "9"
    & skf18("6","10","5","8","1","5","1") = "9"
    & skf18("6","10","5","8","1","6","1") = "9"
    & skf18("6","10","5","8","1","7","1") = "9"
    & skf18("6","10","5","8","1","8","1") = "9"
    & skf18("6","10","5","8","1","9","1") = "9"
    & skf18("6","10","5","8","1","10","1") = "9"
    & skf18("6","10","5","8","2","1","1") = "9"
    & skf18("6","10","5","8","2","2","1") = "9"
    & skf18("6","10","5","8","2","3","1") = "9"
    & skf18("6","10","5","8","2","4","1") = "9"
    & skf18("6","10","5","8","2","5","1") = "9"
    & skf18("6","10","5","8","2","6","1") = "9"
    & skf18("6","10","5","8","2","7","1") = "9"
    & skf18("6","10","5","8","2","8","1") = "9"
    & skf18("6","10","5","8","2","9","1") = "9"
    & skf18("6","10","5","8","2","10","1") = "9"
    & skf18("6","10","5","8","3","1","1") = "9"
    & skf18("6","10","5","8","3","2","1") = "9"
    & skf18("6","10","5","8","3","3","1") = "9"
    & skf18("6","10","5","8","3","4","1") = "9"
    & skf18("6","10","5","8","3","5","1") = "9"
    & skf18("6","10","5","8","3","6","1") = "9"
    & skf18("6","10","5","8","3","7","1") = "9"
    & skf18("6","10","5","8","3","8","1") = "9"
    & skf18("6","10","5","8","3","9","1") = "9"
    & skf18("6","10","5","8","3","10","1") = "9"
    & skf18("6","10","5","8","4","1","1") = "9"
    & skf18("6","10","5","8","4","2","1") = "9"
    & skf18("6","10","5","8","4","3","1") = "9"
    & skf18("6","10","5","8","4","4","1") = "9"
    & skf18("6","10","5","8","4","5","1") = "9"
    & skf18("6","10","5","8","4","6","1") = "9"
    & skf18("6","10","5","8","4","7","1") = "9"
    & skf18("6","10","5","8","4","8","1") = "9"
    & skf18("6","10","5","8","4","9","1") = "9"
    & skf18("6","10","5","8","4","10","1") = "9"
    & skf18("6","10","5","8","5","1","1") = "9"
    & skf18("6","10","5","8","5","2","1") = "9"
    & skf18("6","10","5","8","5","3","1") = "9"
    & skf18("6","10","5","8","5","4","1") = "9"
    & skf18("6","10","5","8","5","5","1") = "9"
    & skf18("6","10","5","8","5","6","1") = "9"
    & skf18("6","10","5","8","5","7","1") = "9"
    & skf18("6","10","5","8","5","8","1") = "9"
    & skf18("6","10","5","8","5","9","1") = "9"
    & skf18("6","10","5","8","5","10","1") = "9"
    & skf18("6","10","5","8","6","1","1") = "9"
    & skf18("6","10","5","8","6","2","1") = "9"
    & skf18("6","10","5","8","6","3","1") = "9"
    & skf18("6","10","5","8","6","4","1") = "9"
    & skf18("6","10","5","8","6","5","1") = "9"
    & skf18("6","10","5","8","6","6","1") = "9"
    & skf18("6","10","5","8","6","7","1") = "9"
    & skf18("6","10","5","8","6","8","1") = "9"
    & skf18("6","10","5","8","6","9","1") = "9"
    & skf18("6","10","5","8","6","10","1") = "9"
    & skf18("6","10","5","8","7","1","1") = "9"
    & skf18("6","10","5","8","7","2","1") = "9"
    & skf18("6","10","5","8","7","3","1") = "9"
    & skf18("6","10","5","8","7","4","1") = "9"
    & skf18("6","10","5","8","7","5","1") = "9"
    & skf18("6","10","5","8","7","6","1") = "9"
    & skf18("6","10","5","8","7","7","1") = "9"
    & skf18("6","10","5","8","7","8","1") = "9"
    & skf18("6","10","5","8","7","9","1") = "9"
    & skf18("6","10","5","8","7","10","1") = "9"
    & skf18("6","10","5","8","8","1","1") = "9"
    & skf18("6","10","5","8","8","2","1") = "9"
    & skf18("6","10","5","8","8","3","1") = "9"
    & skf18("6","10","5","8","8","4","1") = "9"
    & skf18("6","10","5","8","8","5","1") = "9"
    & skf18("6","10","5","8","8","6","1") = "9"
    & skf18("6","10","5","8","8","7","1") = "9"
    & skf18("6","10","5","8","8","8","1") = "9"
    & skf18("6","10","5","8","8","9","1") = "9"
    & skf18("6","10","5","8","8","10","1") = "9"
    & skf18("6","10","5","8","9","1","1") = "9"
    & skf18("6","10","5","8","9","2","1") = "9"
    & skf18("6","10","5","8","9","3","1") = "9"
    & skf18("6","10","5","8","9","4","1") = "9"
    & skf18("6","10","5","8","9","5","1") = "9"
    & skf18("6","10","5","8","9","6","1") = "9"
    & skf18("6","10","5","8","9","7","1") = "9"
    & skf18("6","10","5","8","9","8","1") = "9"
    & skf18("6","10","5","8","9","9","1") = "9"
    & skf18("6","10","5","8","9","10","1") = "9"
    & skf18("6","10","5","8","10","1","1") = "9"
    & skf18("6","10","5","8","10","2","1") = "9"
    & skf18("6","10","5","8","10","3","1") = "9"
    & skf18("6","10","5","8","10","4","1") = "9"
    & skf18("6","10","5","8","10","5","1") = "9"
    & skf18("6","10","5","8","10","6","1") = "9"
    & skf18("6","10","5","8","10","7","1") = "9"
    & skf18("6","10","5","8","10","8","1") = "9"
    & skf18("6","10","5","8","10","9","1") = "9"
    & skf18("6","10","5","8","10","10","1") = "9"
    & skf18("6","10","5","9","1","1","1") = "9"
    & skf18("6","10","5","9","1","2","1") = "9"
    & skf18("6","10","5","9","1","3","1") = "9"
    & skf18("6","10","5","9","1","4","1") = "9"
    & skf18("6","10","5","9","1","5","1") = "9"
    & skf18("6","10","5","9","1","6","1") = "9"
    & skf18("6","10","5","9","1","7","1") = "9"
    & skf18("6","10","5","9","1","8","1") = "9"
    & skf18("6","10","5","9","1","9","1") = "9"
    & skf18("6","10","5","9","1","10","1") = "9"
    & skf18("6","10","5","9","2","1","1") = "9"
    & skf18("6","10","5","9","2","2","1") = "9"
    & skf18("6","10","5","9","2","3","1") = "9"
    & skf18("6","10","5","9","2","4","1") = "9"
    & skf18("6","10","5","9","2","5","1") = "9"
    & skf18("6","10","5","9","2","6","1") = "9"
    & skf18("6","10","5","9","2","7","1") = "9"
    & skf18("6","10","5","9","2","8","1") = "9"
    & skf18("6","10","5","9","2","9","1") = "9"
    & skf18("6","10","5","9","2","10","1") = "9"
    & skf18("6","10","5","9","3","1","1") = "9"
    & skf18("6","10","5","9","3","2","1") = "9"
    & skf18("6","10","5","9","3","3","1") = "9"
    & skf18("6","10","5","9","3","4","1") = "9"
    & skf18("6","10","5","9","3","5","1") = "9"
    & skf18("6","10","5","9","3","6","1") = "9"
    & skf18("6","10","5","9","3","7","1") = "9"
    & skf18("6","10","5","9","3","8","1") = "9"
    & skf18("6","10","5","9","3","9","1") = "9"
    & skf18("6","10","5","9","3","10","1") = "9"
    & skf18("6","10","5","9","4","1","1") = "9"
    & skf18("6","10","5","9","4","2","1") = "9"
    & skf18("6","10","5","9","4","3","1") = "9"
    & skf18("6","10","5","9","4","4","1") = "9"
    & skf18("6","10","5","9","4","5","1") = "9"
    & skf18("6","10","5","9","4","6","1") = "9"
    & skf18("6","10","5","9","4","7","1") = "9"
    & skf18("6","10","5","9","4","8","1") = "9"
    & skf18("6","10","5","9","4","9","1") = "9"
    & skf18("6","10","5","9","4","10","1") = "9"
    & skf18("6","10","5","9","5","1","1") = "9"
    & skf18("6","10","5","9","5","2","1") = "9"
    & skf18("6","10","5","9","5","3","1") = "9"
    & skf18("6","10","5","9","5","4","1") = "9"
    & skf18("6","10","5","9","5","5","1") = "9"
    & skf18("6","10","5","9","5","6","1") = "9"
    & skf18("6","10","5","9","5","7","1") = "9"
    & skf18("6","10","5","9","5","8","1") = "9"
    & skf18("6","10","5","9","5","9","1") = "9"
    & skf18("6","10","5","9","5","10","1") = "9"
    & skf18("6","10","5","9","6","1","1") = "9"
    & skf18("6","10","5","9","6","2","1") = "9"
    & skf18("6","10","5","9","6","3","1") = "9"
    & skf18("6","10","5","9","6","4","1") = "9"
    & skf18("6","10","5","9","6","5","1") = "9"
    & skf18("6","10","5","9","6","6","1") = "9"
    & skf18("6","10","5","9","6","7","1") = "9"
    & skf18("6","10","5","9","6","8","1") = "9"
    & skf18("6","10","5","9","6","9","1") = "9"
    & skf18("6","10","5","9","6","10","1") = "9"
    & skf18("6","10","5","9","7","1","1") = "9"
    & skf18("6","10","5","9","7","2","1") = "9"
    & skf18("6","10","5","9","7","3","1") = "9"
    & skf18("6","10","5","9","7","4","1") = "9"
    & skf18("6","10","5","9","7","5","1") = "9"
    & skf18("6","10","5","9","7","6","1") = "9"
    & skf18("6","10","5","9","7","7","1") = "9"
    & skf18("6","10","5","9","7","8","1") = "9"
    & skf18("6","10","5","9","7","9","1") = "9"
    & skf18("6","10","5","9","7","10","1") = "9"
    & skf18("6","10","5","9","8","1","1") = "9"
    & skf18("6","10","5","9","8","2","1") = "9"
    & skf18("6","10","5","9","8","3","1") = "9"
    & skf18("6","10","5","9","8","4","1") = "9"
    & skf18("6","10","5","9","8","5","1") = "9"
    & skf18("6","10","5","9","8","6","1") = "9"
    & skf18("6","10","5","9","8","7","1") = "9"
    & skf18("6","10","5","9","8","8","1") = "9"
    & skf18("6","10","5","9","8","9","1") = "9"
    & skf18("6","10","5","9","8","10","1") = "9"
    & skf18("6","10","5","9","9","1","1") = "9"
    & skf18("6","10","5","9","9","2","1") = "9"
    & skf18("6","10","5","9","9","3","1") = "9"
    & skf18("6","10","5","9","9","4","1") = "9"
    & skf18("6","10","5","9","9","5","1") = "9"
    & skf18("6","10","5","9","9","6","1") = "9"
    & skf18("6","10","5","9","9","7","1") = "9"
    & skf18("6","10","5","9","9","8","1") = "9"
    & skf18("6","10","5","9","9","9","1") = "9"
    & skf18("6","10","5","9","9","10","1") = "9"
    & skf18("6","10","5","9","10","1","1") = "9"
    & skf18("6","10","5","9","10","2","1") = "9"
    & skf18("6","10","5","9","10","3","1") = "9"
    & skf18("6","10","5","9","10","4","1") = "9"
    & skf18("6","10","5","9","10","5","1") = "9"
    & skf18("6","10","5","9","10","6","1") = "9"
    & skf18("6","10","5","9","10","7","1") = "9"
    & skf18("6","10","5","9","10","8","1") = "9"
    & skf18("6","10","5","9","10","9","1") = "9"
    & skf18("6","10","5","9","10","10","1") = "9"
    & skf18("6","10","5","10","1","1","1") = "9"
    & skf18("6","10","5","10","1","2","1") = "9"
    & skf18("6","10","5","10","1","3","1") = "9"
    & skf18("6","10","5","10","1","4","1") = "9"
    & skf18("6","10","5","10","1","5","1") = "9"
    & skf18("6","10","5","10","1","6","1") = "9"
    & skf18("6","10","5","10","1","7","1") = "9"
    & skf18("6","10","5","10","1","8","1") = "9"
    & skf18("6","10","5","10","1","9","1") = "9"
    & skf18("6","10","5","10","1","10","1") = "9"
    & skf18("6","10","5","10","2","1","1") = "9"
    & skf18("6","10","5","10","2","2","1") = "9"
    & skf18("6","10","5","10","2","3","1") = "9"
    & skf18("6","10","5","10","2","4","1") = "9"
    & skf18("6","10","5","10","2","5","1") = "9"
    & skf18("6","10","5","10","2","6","1") = "9"
    & skf18("6","10","5","10","2","7","1") = "9"
    & skf18("6","10","5","10","2","8","1") = "9"
    & skf18("6","10","5","10","2","9","1") = "9"
    & skf18("6","10","5","10","2","10","1") = "9"
    & skf18("6","10","5","10","3","1","1") = "9"
    & skf18("6","10","5","10","3","2","1") = "9"
    & skf18("6","10","5","10","3","3","1") = "9"
    & skf18("6","10","5","10","3","4","1") = "9"
    & skf18("6","10","5","10","3","5","1") = "9"
    & skf18("6","10","5","10","3","6","1") = "9"
    & skf18("6","10","5","10","3","7","1") = "9"
    & skf18("6","10","5","10","3","8","1") = "9"
    & skf18("6","10","5","10","3","9","1") = "9"
    & skf18("6","10","5","10","3","10","1") = "9"
    & skf18("6","10","5","10","4","1","1") = "9"
    & skf18("6","10","5","10","4","2","1") = "9"
    & skf18("6","10","5","10","4","3","1") = "9"
    & skf18("6","10","5","10","4","4","1") = "9"
    & skf18("6","10","5","10","4","5","1") = "9"
    & skf18("6","10","5","10","4","6","1") = "9"
    & skf18("6","10","5","10","4","7","1") = "9"
    & skf18("6","10","5","10","4","8","1") = "9"
    & skf18("6","10","5","10","4","9","1") = "9"
    & skf18("6","10","5","10","4","10","1") = "9"
    & skf18("6","10","5","10","5","1","1") = "9"
    & skf18("6","10","5","10","5","2","1") = "9"
    & skf18("6","10","5","10","5","3","1") = "9"
    & skf18("6","10","5","10","5","4","1") = "9"
    & skf18("6","10","5","10","5","5","1") = "9"
    & skf18("6","10","5","10","5","6","1") = "9"
    & skf18("6","10","5","10","5","7","1") = "9"
    & skf18("6","10","5","10","5","8","1") = "9"
    & skf18("6","10","5","10","5","9","1") = "9"
    & skf18("6","10","5","10","5","10","1") = "9"
    & skf18("6","10","5","10","6","1","1") = "9"
    & skf18("6","10","5","10","6","2","1") = "9"
    & skf18("6","10","5","10","6","3","1") = "9"
    & skf18("6","10","5","10","6","4","1") = "9"
    & skf18("6","10","5","10","6","5","1") = "9"
    & skf18("6","10","5","10","6","6","1") = "9"
    & skf18("6","10","5","10","6","7","1") = "9"
    & skf18("6","10","5","10","6","8","1") = "9"
    & skf18("6","10","5","10","6","9","1") = "9"
    & skf18("6","10","5","10","6","10","1") = "9"
    & skf18("6","10","5","10","7","1","1") = "9"
    & skf18("6","10","5","10","7","2","1") = "9"
    & skf18("6","10","5","10","7","3","1") = "9"
    & skf18("6","10","5","10","7","4","1") = "9"
    & skf18("6","10","5","10","7","5","1") = "9"
    & skf18("6","10","5","10","7","6","1") = "9"
    & skf18("6","10","5","10","7","7","1") = "9"
    & skf18("6","10","5","10","7","8","1") = "9"
    & skf18("6","10","5","10","7","9","1") = "9"
    & skf18("6","10","5","10","7","10","1") = "9"
    & skf18("6","10","5","10","8","1","1") = "9"
    & skf18("6","10","5","10","8","2","1") = "9"
    & skf18("6","10","5","10","8","3","1") = "9"
    & skf18("6","10","5","10","8","4","1") = "9"
    & skf18("6","10","5","10","8","5","1") = "9"
    & skf18("6","10","5","10","8","6","1") = "9"
    & skf18("6","10","5","10","8","7","1") = "9"
    & skf18("6","10","5","10","8","8","1") = "9"
    & skf18("6","10","5","10","8","9","1") = "9"
    & skf18("6","10","5","10","8","10","1") = "9"
    & skf18("6","10","5","10","9","1","1") = "9"
    & skf18("6","10","5","10","9","2","1") = "9"
    & skf18("6","10","5","10","9","3","1") = "9"
    & skf18("6","10","5","10","9","4","1") = "9"
    & skf18("6","10","5","10","9","5","1") = "9"
    & skf18("6","10","5","10","9","6","1") = "9"
    & skf18("6","10","5","10","9","7","1") = "9"
    & skf18("6","10","5","10","9","8","1") = "9"
    & skf18("6","10","5","10","9","9","1") = "9"
    & skf18("6","10","5","10","9","10","1") = "9"
    & skf18("6","10","5","10","10","1","1") = "9"
    & skf18("6","10","5","10","10","2","1") = "9"
    & skf18("6","10","5","10","10","3","1") = "9"
    & skf18("6","10","5","10","10","4","1") = "9"
    & skf18("6","10","5","10","10","5","1") = "9"
    & skf18("6","10","5","10","10","6","1") = "9"
    & skf18("6","10","5","10","10","7","1") = "9"
    & skf18("6","10","5","10","10","8","1") = "9"
    & skf18("6","10","5","10","10","9","1") = "9"
    & skf18("6","10","5","10","10","10","1") = "9"
    & skf18("6","10","6","1","1","1","1") = "9"
    & skf18("6","10","6","1","1","2","1") = "9"
    & skf18("6","10","6","1","1","3","1") = "9"
    & skf18("6","10","6","1","1","4","1") = "9"
    & skf18("6","10","6","1","1","5","1") = "9"
    & skf18("6","10","6","1","1","6","1") = "9"
    & skf18("6","10","6","1","1","7","1") = "9"
    & skf18("6","10","6","1","1","8","1") = "9"
    & skf18("6","10","6","1","1","9","1") = "9"
    & skf18("6","10","6","1","1","10","1") = "9"
    & skf18("6","10","6","1","2","1","1") = "9"
    & skf18("6","10","6","1","2","2","1") = "9"
    & skf18("6","10","6","1","2","3","1") = "9"
    & skf18("6","10","6","1","2","4","1") = "9"
    & skf18("6","10","6","1","2","5","1") = "9"
    & skf18("6","10","6","1","2","6","1") = "9"
    & skf18("6","10","6","1","2","7","1") = "9"
    & skf18("6","10","6","1","2","8","1") = "9"
    & skf18("6","10","6","1","2","9","1") = "9"
    & skf18("6","10","6","1","2","10","1") = "9"
    & skf18("6","10","6","1","3","1","1") = "9"
    & skf18("6","10","6","1","3","2","1") = "9"
    & skf18("6","10","6","1","3","3","1") = "9"
    & skf18("6","10","6","1","3","4","1") = "9"
    & skf18("6","10","6","1","3","5","1") = "9"
    & skf18("6","10","6","1","3","6","1") = "9"
    & skf18("6","10","6","1","3","7","1") = "9"
    & skf18("6","10","6","1","3","8","1") = "9"
    & skf18("6","10","6","1","3","9","1") = "9"
    & skf18("6","10","6","1","3","10","1") = "9"
    & skf18("6","10","6","1","4","1","1") = "9"
    & skf18("6","10","6","1","4","2","1") = "9"
    & skf18("6","10","6","1","4","3","1") = "9"
    & skf18("6","10","6","1","4","4","1") = "9"
    & skf18("6","10","6","1","4","5","1") = "9"
    & skf18("6","10","6","1","4","6","1") = "9"
    & skf18("6","10","6","1","4","7","1") = "9"
    & skf18("6","10","6","1","4","8","1") = "9"
    & skf18("6","10","6","1","4","9","1") = "9"
    & skf18("6","10","6","1","4","10","1") = "9"
    & skf18("6","10","6","1","5","1","1") = "9"
    & skf18("6","10","6","1","5","2","1") = "9"
    & skf18("6","10","6","1","5","3","1") = "9"
    & skf18("6","10","6","1","5","4","1") = "9"
    & skf18("6","10","6","1","5","5","1") = "9"
    & skf18("6","10","6","1","5","6","1") = "9"
    & skf18("6","10","6","1","5","7","1") = "9"
    & skf18("6","10","6","1","5","8","1") = "9"
    & skf18("6","10","6","1","5","9","1") = "9"
    & skf18("6","10","6","1","5","10","1") = "9"
    & skf18("6","10","6","1","6","1","1") = "9"
    & skf18("6","10","6","1","6","2","1") = "9"
    & skf18("6","10","6","1","6","3","1") = "9"
    & skf18("6","10","6","1","6","4","1") = "9"
    & skf18("6","10","6","1","6","5","1") = "9"
    & skf18("6","10","6","1","6","6","1") = "9"
    & skf18("6","10","6","1","6","7","1") = "9"
    & skf18("6","10","6","1","6","8","1") = "9"
    & skf18("6","10","6","1","6","9","1") = "9"
    & skf18("6","10","6","1","6","10","1") = "9"
    & skf18("6","10","6","1","7","1","1") = "9"
    & skf18("6","10","6","1","7","2","1") = "9"
    & skf18("6","10","6","1","7","3","1") = "9"
    & skf18("6","10","6","1","7","4","1") = "9"
    & skf18("6","10","6","1","7","5","1") = "9"
    & skf18("6","10","6","1","7","6","1") = "9"
    & skf18("6","10","6","1","7","7","1") = "9"
    & skf18("6","10","6","1","7","8","1") = "9"
    & skf18("6","10","6","1","7","9","1") = "9"
    & skf18("6","10","6","1","7","10","1") = "9"
    & skf18("6","10","6","1","8","1","1") = "9"
    & skf18("6","10","6","1","8","2","1") = "9"
    & skf18("6","10","6","1","8","3","1") = "9"
    & skf18("6","10","6","1","8","4","1") = "9"
    & skf18("6","10","6","1","8","5","1") = "9"
    & skf18("6","10","6","1","8","6","1") = "9"
    & skf18("6","10","6","1","8","7","1") = "9"
    & skf18("6","10","6","1","8","8","1") = "9"
    & skf18("6","10","6","1","8","9","1") = "9"
    & skf18("6","10","6","1","8","10","1") = "9"
    & skf18("6","10","6","1","9","1","1") = "9"
    & skf18("6","10","6","1","9","2","1") = "9"
    & skf18("6","10","6","1","9","3","1") = "9"
    & skf18("6","10","6","1","9","4","1") = "9"
    & skf18("6","10","6","1","9","5","1") = "9"
    & skf18("6","10","6","1","9","6","1") = "9"
    & skf18("6","10","6","1","9","7","1") = "9"
    & skf18("6","10","6","1","9","8","1") = "9"
    & skf18("6","10","6","1","9","9","1") = "9"
    & skf18("6","10","6","1","9","10","1") = "9"
    & skf18("6","10","6","1","10","1","1") = "9"
    & skf18("6","10","6","1","10","2","1") = "9"
    & skf18("6","10","6","1","10","3","1") = "9"
    & skf18("6","10","6","1","10","4","1") = "9"
    & skf18("6","10","6","1","10","5","1") = "9"
    & skf18("6","10","6","1","10","6","1") = "9"
    & skf18("6","10","6","1","10","7","1") = "9"
    & skf18("6","10","6","1","10","8","1") = "9"
    & skf18("6","10","6","1","10","9","1") = "9"
    & skf18("6","10","6","1","10","10","1") = "9"
    & skf18("6","10","6","2","1","1","1") = "9"
    & skf18("6","10","6","2","1","2","1") = "9"
    & skf18("6","10","6","2","1","3","1") = "9"
    & skf18("6","10","6","2","1","4","1") = "9"
    & skf18("6","10","6","2","1","5","1") = "9"
    & skf18("6","10","6","2","1","6","1") = "9"
    & skf18("6","10","6","2","1","7","1") = "9"
    & skf18("6","10","6","2","1","8","1") = "9"
    & skf18("6","10","6","2","1","9","1") = "9"
    & skf18("6","10","6","2","1","10","1") = "9"
    & skf18("6","10","6","2","2","1","1") = "9"
    & skf18("6","10","6","2","2","2","1") = "9"
    & skf18("6","10","6","2","2","3","1") = "9"
    & skf18("6","10","6","2","2","4","1") = "9"
    & skf18("6","10","6","2","2","5","1") = "9"
    & skf18("6","10","6","2","2","6","1") = "9"
    & skf18("6","10","6","2","2","7","1") = "9"
    & skf18("6","10","6","2","2","8","1") = "9"
    & skf18("6","10","6","2","2","9","1") = "9"
    & skf18("6","10","6","2","2","10","1") = "9"
    & skf18("6","10","6","2","3","1","1") = "9"
    & skf18("6","10","6","2","3","2","1") = "9"
    & skf18("6","10","6","2","3","3","1") = "9"
    & skf18("6","10","6","2","3","4","1") = "9"
    & skf18("6","10","6","2","3","5","1") = "9"
    & skf18("6","10","6","2","3","6","1") = "9"
    & skf18("6","10","6","2","3","7","1") = "9"
    & skf18("6","10","6","2","3","8","1") = "9"
    & skf18("6","10","6","2","3","9","1") = "9"
    & skf18("6","10","6","2","3","10","1") = "9"
    & skf18("6","10","6","2","4","1","1") = "9"
    & skf18("6","10","6","2","4","2","1") = "9"
    & skf18("6","10","6","2","4","3","1") = "9"
    & skf18("6","10","6","2","4","4","1") = "9"
    & skf18("6","10","6","2","4","5","1") = "9"
    & skf18("6","10","6","2","4","6","1") = "9"
    & skf18("6","10","6","2","4","7","1") = "9"
    & skf18("6","10","6","2","4","8","1") = "9"
    & skf18("6","10","6","2","4","9","1") = "9"
    & skf18("6","10","6","2","4","10","1") = "9"
    & skf18("6","10","6","2","5","1","1") = "9"
    & skf18("6","10","6","2","5","2","1") = "9"
    & skf18("6","10","6","2","5","3","1") = "9"
    & skf18("6","10","6","2","5","4","1") = "9"
    & skf18("6","10","6","2","5","5","1") = "9"
    & skf18("6","10","6","2","5","6","1") = "9"
    & skf18("6","10","6","2","5","7","1") = "9"
    & skf18("6","10","6","2","5","8","1") = "9"
    & skf18("6","10","6","2","5","9","1") = "9"
    & skf18("6","10","6","2","5","10","1") = "9"
    & skf18("6","10","6","2","6","1","1") = "9"
    & skf18("6","10","6","2","6","2","1") = "9"
    & skf18("6","10","6","2","6","3","1") = "9"
    & skf18("6","10","6","2","6","4","1") = "9"
    & skf18("6","10","6","2","6","5","1") = "9"
    & skf18("6","10","6","2","6","6","1") = "9"
    & skf18("6","10","6","2","6","7","1") = "9"
    & skf18("6","10","6","2","6","8","1") = "9"
    & skf18("6","10","6","2","6","9","1") = "9"
    & skf18("6","10","6","2","6","10","1") = "9"
    & skf18("6","10","6","2","7","1","1") = "9"
    & skf18("6","10","6","2","7","2","1") = "9"
    & skf18("6","10","6","2","7","3","1") = "9"
    & skf18("6","10","6","2","7","4","1") = "9"
    & skf18("6","10","6","2","7","5","1") = "9"
    & skf18("6","10","6","2","7","6","1") = "9"
    & skf18("6","10","6","2","7","7","1") = "9"
    & skf18("6","10","6","2","7","8","1") = "9"
    & skf18("6","10","6","2","7","9","1") = "9"
    & skf18("6","10","6","2","7","10","1") = "9"
    & skf18("6","10","6","2","8","1","1") = "9"
    & skf18("6","10","6","2","8","2","1") = "9"
    & skf18("6","10","6","2","8","3","1") = "9"
    & skf18("6","10","6","2","8","4","1") = "9"
    & skf18("6","10","6","2","8","5","1") = "9"
    & skf18("6","10","6","2","8","6","1") = "9"
    & skf18("6","10","6","2","8","7","1") = "9"
    & skf18("6","10","6","2","8","8","1") = "9"
    & skf18("6","10","6","2","8","9","1") = "9"
    & skf18("6","10","6","2","8","10","1") = "9"
    & skf18("6","10","6","2","9","1","1") = "9"
    & skf18("6","10","6","2","9","2","1") = "9"
    & skf18("6","10","6","2","9","3","1") = "9"
    & skf18("6","10","6","2","9","4","1") = "9"
    & skf18("6","10","6","2","9","5","1") = "9"
    & skf18("6","10","6","2","9","6","1") = "9"
    & skf18("6","10","6","2","9","7","1") = "9"
    & skf18("6","10","6","2","9","8","1") = "9"
    & skf18("6","10","6","2","9","9","1") = "9"
    & skf18("6","10","6","2","9","10","1") = "9"
    & skf18("6","10","6","2","10","1","1") = "9"
    & skf18("6","10","6","2","10","2","1") = "9"
    & skf18("6","10","6","2","10","3","1") = "9"
    & skf18("6","10","6","2","10","4","1") = "9"
    & skf18("6","10","6","2","10","5","1") = "9"
    & skf18("6","10","6","2","10","6","1") = "9"
    & skf18("6","10","6","2","10","7","1") = "9"
    & skf18("6","10","6","2","10","8","1") = "9"
    & skf18("6","10","6","2","10","9","1") = "9"
    & skf18("6","10","6","2","10","10","1") = "9"
    & skf18("6","10","6","3","1","1","1") = "9"
    & skf18("6","10","6","3","1","2","1") = "9"
    & skf18("6","10","6","3","1","3","1") = "9"
    & skf18("6","10","6","3","1","4","1") = "9"
    & skf18("6","10","6","3","1","5","1") = "9"
    & skf18("6","10","6","3","1","6","1") = "9"
    & skf18("6","10","6","3","1","7","1") = "9"
    & skf18("6","10","6","3","1","8","1") = "9"
    & skf18("6","10","6","3","1","9","1") = "9"
    & skf18("6","10","6","3","1","10","1") = "9"
    & skf18("6","10","6","3","2","1","1") = "9"
    & skf18("6","10","6","3","2","2","1") = "9"
    & skf18("6","10","6","3","2","3","1") = "9"
    & skf18("6","10","6","3","2","4","1") = "9"
    & skf18("6","10","6","3","2","5","1") = "9"
    & skf18("6","10","6","3","2","6","1") = "9"
    & skf18("6","10","6","3","2","7","1") = "9"
    & skf18("6","10","6","3","2","8","1") = "9"
    & skf18("6","10","6","3","2","9","1") = "9"
    & skf18("6","10","6","3","2","10","1") = "9"
    & skf18("6","10","6","3","3","1","1") = "9"
    & skf18("6","10","6","3","3","2","1") = "9"
    & skf18("6","10","6","3","3","3","1") = "9"
    & skf18("6","10","6","3","3","4","1") = "9"
    & skf18("6","10","6","3","3","5","1") = "9"
    & skf18("6","10","6","3","3","6","1") = "9"
    & skf18("6","10","6","3","3","7","1") = "9"
    & skf18("6","10","6","3","3","8","1") = "9"
    & skf18("6","10","6","3","3","9","1") = "9"
    & skf18("6","10","6","3","3","10","1") = "9"
    & skf18("6","10","6","3","4","1","1") = "9"
    & skf18("6","10","6","3","4","2","1") = "9"
    & skf18("6","10","6","3","4","3","1") = "9"
    & skf18("6","10","6","3","4","4","1") = "9"
    & skf18("6","10","6","3","4","5","1") = "9"
    & skf18("6","10","6","3","4","6","1") = "9"
    & skf18("6","10","6","3","4","7","1") = "9"
    & skf18("6","10","6","3","4","8","1") = "9"
    & skf18("6","10","6","3","4","9","1") = "9"
    & skf18("6","10","6","3","4","10","1") = "9"
    & skf18("6","10","6","3","5","1","1") = "9"
    & skf18("6","10","6","3","5","2","1") = "9"
    & skf18("6","10","6","3","5","3","1") = "9"
    & skf18("6","10","6","3","5","4","1") = "9"
    & skf18("6","10","6","3","5","5","1") = "9"
    & skf18("6","10","6","3","5","6","1") = "9"
    & skf18("6","10","6","3","5","7","1") = "9"
    & skf18("6","10","6","3","5","8","1") = "9"
    & skf18("6","10","6","3","5","9","1") = "9"
    & skf18("6","10","6","3","5","10","1") = "9"
    & skf18("6","10","6","3","6","1","1") = "9"
    & skf18("6","10","6","3","6","2","1") = "9"
    & skf18("6","10","6","3","6","3","1") = "9"
    & skf18("6","10","6","3","6","4","1") = "9"
    & skf18("6","10","6","3","6","5","1") = "9"
    & skf18("6","10","6","3","6","6","1") = "9"
    & skf18("6","10","6","3","6","7","1") = "9"
    & skf18("6","10","6","3","6","8","1") = "9"
    & skf18("6","10","6","3","6","9","1") = "9"
    & skf18("6","10","6","3","6","10","1") = "9"
    & skf18("6","10","6","3","7","1","1") = "9"
    & skf18("6","10","6","3","7","2","1") = "9"
    & skf18("6","10","6","3","7","3","1") = "9"
    & skf18("6","10","6","3","7","4","1") = "9"
    & skf18("6","10","6","3","7","5","1") = "9"
    & skf18("6","10","6","3","7","6","1") = "9"
    & skf18("6","10","6","3","7","7","1") = "9"
    & skf18("6","10","6","3","7","8","1") = "9"
    & skf18("6","10","6","3","7","9","1") = "9"
    & skf18("6","10","6","3","7","10","1") = "9"
    & skf18("6","10","6","3","8","1","1") = "9"
    & skf18("6","10","6","3","8","2","1") = "9"
    & skf18("6","10","6","3","8","3","1") = "9"
    & skf18("6","10","6","3","8","4","1") = "9"
    & skf18("6","10","6","3","8","5","1") = "9"
    & skf18("6","10","6","3","8","6","1") = "9"
    & skf18("6","10","6","3","8","7","1") = "9"
    & skf18("6","10","6","3","8","8","1") = "9"
    & skf18("6","10","6","3","8","9","1") = "9"
    & skf18("6","10","6","3","8","10","1") = "9"
    & skf18("6","10","6","3","9","1","1") = "9"
    & skf18("6","10","6","3","9","2","1") = "9"
    & skf18("6","10","6","3","9","3","1") = "9"
    & skf18("6","10","6","3","9","4","1") = "9"
    & skf18("6","10","6","3","9","5","1") = "9"
    & skf18("6","10","6","3","9","6","1") = "9"
    & skf18("6","10","6","3","9","7","1") = "9"
    & skf18("6","10","6","3","9","8","1") = "9"
    & skf18("6","10","6","3","9","9","1") = "9"
    & skf18("6","10","6","3","9","10","1") = "9"
    & skf18("6","10","6","3","10","1","1") = "9"
    & skf18("6","10","6","3","10","2","1") = "9"
    & skf18("6","10","6","3","10","3","1") = "9"
    & skf18("6","10","6","3","10","4","1") = "9"
    & skf18("6","10","6","3","10","5","1") = "9"
    & skf18("6","10","6","3","10","6","1") = "9"
    & skf18("6","10","6","3","10","7","1") = "9"
    & skf18("6","10","6","3","10","8","1") = "9"
    & skf18("6","10","6","3","10","9","1") = "9"
    & skf18("6","10","6","3","10","10","1") = "9"
    & skf18("6","10","6","4","1","1","1") = "9"
    & skf18("6","10","6","4","1","2","1") = "9"
    & skf18("6","10","6","4","1","3","1") = "9"
    & skf18("6","10","6","4","1","4","1") = "9"
    & skf18("6","10","6","4","1","5","1") = "9"
    & skf18("6","10","6","4","1","6","1") = "9"
    & skf18("6","10","6","4","1","7","1") = "9"
    & skf18("6","10","6","4","1","8","1") = "9"
    & skf18("6","10","6","4","1","9","1") = "9"
    & skf18("6","10","6","4","1","10","1") = "9"
    & skf18("6","10","6","4","2","1","1") = "9"
    & skf18("6","10","6","4","2","2","1") = "9"
    & skf18("6","10","6","4","2","3","1") = "9"
    & skf18("6","10","6","4","2","4","1") = "9"
    & skf18("6","10","6","4","2","5","1") = "9"
    & skf18("6","10","6","4","2","6","1") = "9"
    & skf18("6","10","6","4","2","7","1") = "9"
    & skf18("6","10","6","4","2","8","1") = "9"
    & skf18("6","10","6","4","2","9","1") = "9"
    & skf18("6","10","6","4","2","10","1") = "9"
    & skf18("6","10","6","4","3","1","1") = "9"
    & skf18("6","10","6","4","3","2","1") = "9"
    & skf18("6","10","6","4","3","3","1") = "9"
    & skf18("6","10","6","4","3","4","1") = "9"
    & skf18("6","10","6","4","3","5","1") = "9"
    & skf18("6","10","6","4","3","6","1") = "9"
    & skf18("6","10","6","4","3","7","1") = "9"
    & skf18("6","10","6","4","3","8","1") = "9"
    & skf18("6","10","6","4","3","9","1") = "9"
    & skf18("6","10","6","4","3","10","1") = "9"
    & skf18("6","10","6","4","4","1","1") = "9"
    & skf18("6","10","6","4","4","2","1") = "9"
    & skf18("6","10","6","4","4","3","1") = "9"
    & skf18("6","10","6","4","4","4","1") = "9"
    & skf18("6","10","6","4","4","5","1") = "9"
    & skf18("6","10","6","4","4","6","1") = "9"
    & skf18("6","10","6","4","4","7","1") = "9"
    & skf18("6","10","6","4","4","8","1") = "9"
    & skf18("6","10","6","4","4","9","1") = "9"
    & skf18("6","10","6","4","4","10","1") = "9"
    & skf18("6","10","6","4","5","1","1") = "9"
    & skf18("6","10","6","4","5","2","1") = "9"
    & skf18("6","10","6","4","5","3","1") = "9"
    & skf18("6","10","6","4","5","4","1") = "9"
    & skf18("6","10","6","4","5","5","1") = "9"
    & skf18("6","10","6","4","5","6","1") = "9"
    & skf18("6","10","6","4","5","7","1") = "9"
    & skf18("6","10","6","4","5","8","1") = "9"
    & skf18("6","10","6","4","5","9","1") = "9"
    & skf18("6","10","6","4","5","10","1") = "9"
    & skf18("6","10","6","4","6","1","1") = "9"
    & skf18("6","10","6","4","6","2","1") = "9"
    & skf18("6","10","6","4","6","3","1") = "9"
    & skf18("6","10","6","4","6","4","1") = "9"
    & skf18("6","10","6","4","6","5","1") = "9"
    & skf18("6","10","6","4","6","6","1") = "9"
    & skf18("6","10","6","4","6","7","1") = "9"
    & skf18("6","10","6","4","6","8","1") = "9"
    & skf18("6","10","6","4","6","9","1") = "9"
    & skf18("6","10","6","4","6","10","1") = "9"
    & skf18("6","10","6","4","7","1","1") = "9"
    & skf18("6","10","6","4","7","2","1") = "9"
    & skf18("6","10","6","4","7","3","1") = "9"
    & skf18("6","10","6","4","7","4","1") = "9"
    & skf18("6","10","6","4","7","5","1") = "9"
    & skf18("6","10","6","4","7","6","1") = "9"
    & skf18("6","10","6","4","7","7","1") = "9"
    & skf18("6","10","6","4","7","8","1") = "9"
    & skf18("6","10","6","4","7","9","1") = "9"
    & skf18("6","10","6","4","7","10","1") = "9"
    & skf18("6","10","6","4","8","1","1") = "9"
    & skf18("6","10","6","4","8","2","1") = "9"
    & skf18("6","10","6","4","8","3","1") = "9"
    & skf18("6","10","6","4","8","4","1") = "9"
    & skf18("6","10","6","4","8","5","1") = "9"
    & skf18("6","10","6","4","8","6","1") = "9"
    & skf18("6","10","6","4","8","7","1") = "9"
    & skf18("6","10","6","4","8","8","1") = "9"
    & skf18("6","10","6","4","8","9","1") = "9"
    & skf18("6","10","6","4","8","10","1") = "9"
    & skf18("6","10","6","4","9","1","1") = "9"
    & skf18("6","10","6","4","9","2","1") = "9"
    & skf18("6","10","6","4","9","3","1") = "9"
    & skf18("6","10","6","4","9","4","1") = "9"
    & skf18("6","10","6","4","9","5","1") = "9"
    & skf18("6","10","6","4","9","6","1") = "9"
    & skf18("6","10","6","4","9","7","1") = "9"
    & skf18("6","10","6","4","9","8","1") = "9"
    & skf18("6","10","6","4","9","9","1") = "9"
    & skf18("6","10","6","4","9","10","1") = "9"
    & skf18("6","10","6","4","10","1","1") = "9"
    & skf18("6","10","6","4","10","2","1") = "9"
    & skf18("6","10","6","4","10","3","1") = "9"
    & skf18("6","10","6","4","10","4","1") = "9"
    & skf18("6","10","6","4","10","5","1") = "9"
    & skf18("6","10","6","4","10","6","1") = "9"
    & skf18("6","10","6","4","10","7","1") = "9"
    & skf18("6","10","6","4","10","8","1") = "9"
    & skf18("6","10","6","4","10","9","1") = "9"
    & skf18("6","10","6","4","10","10","1") = "9"
    & skf18("6","10","6","5","1","1","1") = "9"
    & skf18("6","10","6","5","1","2","1") = "9"
    & skf18("6","10","6","5","1","3","1") = "9"
    & skf18("6","10","6","5","1","4","1") = "9"
    & skf18("6","10","6","5","1","5","1") = "9"
    & skf18("6","10","6","5","1","6","1") = "9"
    & skf18("6","10","6","5","1","7","1") = "9"
    & skf18("6","10","6","5","1","8","1") = "9"
    & skf18("6","10","6","5","1","9","1") = "9"
    & skf18("6","10","6","5","1","10","1") = "9"
    & skf18("6","10","6","5","2","1","1") = "9"
    & skf18("6","10","6","5","2","2","1") = "9"
    & skf18("6","10","6","5","2","3","1") = "9"
    & skf18("6","10","6","5","2","4","1") = "9"
    & skf18("6","10","6","5","2","5","1") = "9"
    & skf18("6","10","6","5","2","6","1") = "9"
    & skf18("6","10","6","5","2","7","1") = "9"
    & skf18("6","10","6","5","2","8","1") = "9"
    & skf18("6","10","6","5","2","9","1") = "9"
    & skf18("6","10","6","5","2","10","1") = "9"
    & skf18("6","10","6","5","3","1","1") = "9"
    & skf18("6","10","6","5","3","2","1") = "9"
    & skf18("6","10","6","5","3","3","1") = "9"
    & skf18("6","10","6","5","3","4","1") = "9"
    & skf18("6","10","6","5","3","5","1") = "9"
    & skf18("6","10","6","5","3","6","1") = "9"
    & skf18("6","10","6","5","3","7","1") = "9"
    & skf18("6","10","6","5","3","8","1") = "9"
    & skf18("6","10","6","5","3","9","1") = "9"
    & skf18("6","10","6","5","3","10","1") = "9"
    & skf18("6","10","6","5","4","1","1") = "9"
    & skf18("6","10","6","5","4","2","1") = "9"
    & skf18("6","10","6","5","4","3","1") = "9"
    & skf18("6","10","6","5","4","4","1") = "9"
    & skf18("6","10","6","5","4","5","1") = "9"
    & skf18("6","10","6","5","4","6","1") = "9"
    & skf18("6","10","6","5","4","7","1") = "9"
    & skf18("6","10","6","5","4","8","1") = "9"
    & skf18("6","10","6","5","4","9","1") = "9"
    & skf18("6","10","6","5","4","10","1") = "9"
    & skf18("6","10","6","5","5","1","1") = "9"
    & skf18("6","10","6","5","5","2","1") = "9"
    & skf18("6","10","6","5","5","3","1") = "9"
    & skf18("6","10","6","5","5","4","1") = "9"
    & skf18("6","10","6","5","5","5","1") = "9"
    & skf18("6","10","6","5","5","6","1") = "9"
    & skf18("6","10","6","5","5","7","1") = "9"
    & skf18("6","10","6","5","5","8","1") = "9"
    & skf18("6","10","6","5","5","9","1") = "9"
    & skf18("6","10","6","5","5","10","1") = "9"
    & skf18("6","10","6","5","6","1","1") = "9"
    & skf18("6","10","6","5","6","2","1") = "9"
    & skf18("6","10","6","5","6","3","1") = "9"
    & skf18("6","10","6","5","6","4","1") = "9"
    & skf18("6","10","6","5","6","5","1") = "9"
    & skf18("6","10","6","5","6","6","1") = "9"
    & skf18("6","10","6","5","6","7","1") = "9"
    & skf18("6","10","6","5","6","8","1") = "9"
    & skf18("6","10","6","5","6","9","1") = "9"
    & skf18("6","10","6","5","6","10","1") = "9"
    & skf18("6","10","6","5","7","1","1") = "9"
    & skf18("6","10","6","5","7","2","1") = "9"
    & skf18("6","10","6","5","7","3","1") = "9"
    & skf18("6","10","6","5","7","4","1") = "9"
    & skf18("6","10","6","5","7","5","1") = "9"
    & skf18("6","10","6","5","7","6","1") = "9"
    & skf18("6","10","6","5","7","7","1") = "9"
    & skf18("6","10","6","5","7","8","1") = "9"
    & skf18("6","10","6","5","7","9","1") = "9"
    & skf18("6","10","6","5","7","10","1") = "9"
    & skf18("6","10","6","5","8","1","1") = "9"
    & skf18("6","10","6","5","8","2","1") = "9"
    & skf18("6","10","6","5","8","3","1") = "9"
    & skf18("6","10","6","5","8","4","1") = "9"
    & skf18("6","10","6","5","8","5","1") = "9"
    & skf18("6","10","6","5","8","6","1") = "9"
    & skf18("6","10","6","5","8","7","1") = "9"
    & skf18("6","10","6","5","8","8","1") = "9"
    & skf18("6","10","6","5","8","9","1") = "9"
    & skf18("6","10","6","5","8","10","1") = "9"
    & skf18("6","10","6","5","9","1","1") = "9"
    & skf18("6","10","6","5","9","2","1") = "9"
    & skf18("6","10","6","5","9","3","1") = "9"
    & skf18("6","10","6","5","9","4","1") = "9"
    & skf18("6","10","6","5","9","5","1") = "9"
    & skf18("6","10","6","5","9","6","1") = "9"
    & skf18("6","10","6","5","9","7","1") = "9"
    & skf18("6","10","6","5","9","8","1") = "9"
    & skf18("6","10","6","5","9","9","1") = "9"
    & skf18("6","10","6","5","9","10","1") = "9"
    & skf18("6","10","6","5","10","1","1") = "9"
    & skf18("6","10","6","5","10","2","1") = "9"
    & skf18("6","10","6","5","10","3","1") = "9"
    & skf18("6","10","6","5","10","4","1") = "9"
    & skf18("6","10","6","5","10","5","1") = "9"
    & skf18("6","10","6","5","10","6","1") = "9"
    & skf18("6","10","6","5","10","7","1") = "9"
    & skf18("6","10","6","5","10","8","1") = "9"
    & skf18("6","10","6","5","10","9","1") = "9"
    & skf18("6","10","6","5","10","10","1") = "9"
    & skf18("6","10","6","6","1","1","1") = "9"
    & skf18("6","10","6","6","1","2","1") = "9"
    & skf18("6","10","6","6","1","3","1") = "9"
    & skf18("6","10","6","6","1","4","1") = "9"
    & skf18("6","10","6","6","1","5","1") = "9"
    & skf18("6","10","6","6","1","6","1") = "9"
    & skf18("6","10","6","6","1","7","1") = "9"
    & skf18("6","10","6","6","1","8","1") = "9"
    & skf18("6","10","6","6","1","9","1") = "9"
    & skf18("6","10","6","6","1","10","1") = "9"
    & skf18("6","10","6","6","2","1","1") = "9"
    & skf18("6","10","6","6","2","2","1") = "9"
    & skf18("6","10","6","6","2","3","1") = "9"
    & skf18("6","10","6","6","2","4","1") = "9"
    & skf18("6","10","6","6","2","5","1") = "9"
    & skf18("6","10","6","6","2","6","1") = "9"
    & skf18("6","10","6","6","2","7","1") = "9"
    & skf18("6","10","6","6","2","8","1") = "9"
    & skf18("6","10","6","6","2","9","1") = "9"
    & skf18("6","10","6","6","2","10","1") = "9"
    & skf18("6","10","6","6","3","1","1") = "9"
    & skf18("6","10","6","6","3","2","1") = "9"
    & skf18("6","10","6","6","3","3","1") = "9"
    & skf18("6","10","6","6","3","4","1") = "9"
    & skf18("6","10","6","6","3","5","1") = "9"
    & skf18("6","10","6","6","3","6","1") = "9"
    & skf18("6","10","6","6","3","7","1") = "9"
    & skf18("6","10","6","6","3","8","1") = "9"
    & skf18("6","10","6","6","3","9","1") = "9"
    & skf18("6","10","6","6","3","10","1") = "9"
    & skf18("6","10","6","6","4","1","1") = "9"
    & skf18("6","10","6","6","4","2","1") = "9"
    & skf18("6","10","6","6","4","3","1") = "9"
    & skf18("6","10","6","6","4","4","1") = "9"
    & skf18("6","10","6","6","4","5","1") = "9"
    & skf18("6","10","6","6","4","6","1") = "9"
    & skf18("6","10","6","6","4","7","1") = "9"
    & skf18("6","10","6","6","4","8","1") = "9"
    & skf18("6","10","6","6","4","9","1") = "9"
    & skf18("6","10","6","6","4","10","1") = "9"
    & skf18("6","10","6","6","5","1","1") = "9"
    & skf18("6","10","6","6","5","2","1") = "9"
    & skf18("6","10","6","6","5","3","1") = "9"
    & skf18("6","10","6","6","5","4","1") = "9"
    & skf18("6","10","6","6","5","5","1") = "9"
    & skf18("6","10","6","6","5","6","1") = "9"
    & skf18("6","10","6","6","5","7","1") = "9"
    & skf18("6","10","6","6","5","8","1") = "9"
    & skf18("6","10","6","6","5","9","1") = "9"
    & skf18("6","10","6","6","5","10","1") = "9"
    & skf18("6","10","6","6","6","1","1") = "9"
    & skf18("6","10","6","6","6","2","1") = "9"
    & skf18("6","10","6","6","6","3","1") = "9"
    & skf18("6","10","6","6","6","4","1") = "9"
    & skf18("6","10","6","6","6","5","1") = "9"
    & skf18("6","10","6","6","6","6","1") = "9"
    & skf18("6","10","6","6","6","7","1") = "9"
    & skf18("6","10","6","6","6","8","1") = "9"
    & skf18("6","10","6","6","6","9","1") = "9"
    & skf18("6","10","6","6","6","10","1") = "9"
    & skf18("6","10","6","6","7","1","1") = "9"
    & skf18("6","10","6","6","7","2","1") = "9"
    & skf18("6","10","6","6","7","3","1") = "9"
    & skf18("6","10","6","6","7","4","1") = "9"
    & skf18("6","10","6","6","7","5","1") = "9"
    & skf18("6","10","6","6","7","6","1") = "9"
    & skf18("6","10","6","6","7","7","1") = "9"
    & skf18("6","10","6","6","7","8","1") = "9"
    & skf18("6","10","6","6","7","9","1") = "9"
    & skf18("6","10","6","6","7","10","1") = "9"
    & skf18("6","10","6","6","8","1","1") = "9"
    & skf18("6","10","6","6","8","2","1") = "9"
    & skf18("6","10","6","6","8","3","1") = "9"
    & skf18("6","10","6","6","8","4","1") = "9"
    & skf18("6","10","6","6","8","5","1") = "9"
    & skf18("6","10","6","6","8","6","1") = "9"
    & skf18("6","10","6","6","8","7","1") = "9"
    & skf18("6","10","6","6","8","8","1") = "9"
    & skf18("6","10","6","6","8","9","1") = "9"
    & skf18("6","10","6","6","8","10","1") = "9"
    & skf18("6","10","6","6","9","1","1") = "9"
    & skf18("6","10","6","6","9","2","1") = "9"
    & skf18("6","10","6","6","9","3","1") = "9"
    & skf18("6","10","6","6","9","4","1") = "9"
    & skf18("6","10","6","6","9","5","1") = "9"
    & skf18("6","10","6","6","9","6","1") = "9"
    & skf18("6","10","6","6","9","7","1") = "9"
    & skf18("6","10","6","6","9","8","1") = "9"
    & skf18("6","10","6","6","9","9","1") = "9"
    & skf18("6","10","6","6","9","10","1") = "9"
    & skf18("6","10","6","6","10","1","1") = "9"
    & skf18("6","10","6","6","10","2","1") = "9"
    & skf18("6","10","6","6","10","3","1") = "9"
    & skf18("6","10","6","6","10","4","1") = "9"
    & skf18("6","10","6","6","10","5","1") = "9"
    & skf18("6","10","6","6","10","6","1") = "9"
    & skf18("6","10","6","6","10","7","1") = "9"
    & skf18("6","10","6","6","10","8","1") = "9"
    & skf18("6","10","6","6","10","9","1") = "9"
    & skf18("6","10","6","6","10","10","1") = "9"
    & skf18("6","10","6","7","1","1","1") = "9"
    & skf18("6","10","6","7","1","2","1") = "9"
    & skf18("6","10","6","7","1","3","1") = "9"
    & skf18("6","10","6","7","1","4","1") = "9"
    & skf18("6","10","6","7","1","5","1") = "9"
    & skf18("6","10","6","7","1","6","1") = "9"
    & skf18("6","10","6","7","1","7","1") = "9"
    & skf18("6","10","6","7","1","8","1") = "9"
    & skf18("6","10","6","7","1","9","1") = "9"
    & skf18("6","10","6","7","1","10","1") = "9"
    & skf18("6","10","6","7","2","1","1") = "9"
    & skf18("6","10","6","7","2","2","1") = "9"
    & skf18("6","10","6","7","2","3","1") = "9"
    & skf18("6","10","6","7","2","4","1") = "9"
    & skf18("6","10","6","7","2","5","1") = "9"
    & skf18("6","10","6","7","2","6","1") = "9"
    & skf18("6","10","6","7","2","7","1") = "9"
    & skf18("6","10","6","7","2","8","1") = "9"
    & skf18("6","10","6","7","2","9","1") = "9"
    & skf18("6","10","6","7","2","10","1") = "9"
    & skf18("6","10","6","7","3","1","1") = "9"
    & skf18("6","10","6","7","3","2","1") = "9"
    & skf18("6","10","6","7","3","3","1") = "9"
    & skf18("6","10","6","7","3","4","1") = "9"
    & skf18("6","10","6","7","3","5","1") = "9"
    & skf18("6","10","6","7","3","6","1") = "9"
    & skf18("6","10","6","7","3","7","1") = "9"
    & skf18("6","10","6","7","3","8","1") = "9"
    & skf18("6","10","6","7","3","9","1") = "9"
    & skf18("6","10","6","7","3","10","1") = "9"
    & skf18("6","10","6","7","4","1","1") = "9"
    & skf18("6","10","6","7","4","2","1") = "9"
    & skf18("6","10","6","7","4","3","1") = "9"
    & skf18("6","10","6","7","4","4","1") = "9"
    & skf18("6","10","6","7","4","5","1") = "9"
    & skf18("6","10","6","7","4","6","1") = "9"
    & skf18("6","10","6","7","4","7","1") = "9"
    & skf18("6","10","6","7","4","8","1") = "9"
    & skf18("6","10","6","7","4","9","1") = "9"
    & skf18("6","10","6","7","4","10","1") = "9"
    & skf18("6","10","6","7","5","1","1") = "9"
    & skf18("6","10","6","7","5","2","1") = "9"
    & skf18("6","10","6","7","5","3","1") = "9"
    & skf18("6","10","6","7","5","4","1") = "9"
    & skf18("6","10","6","7","5","5","1") = "9"
    & skf18("6","10","6","7","5","6","1") = "9"
    & skf18("6","10","6","7","5","7","1") = "9"
    & skf18("6","10","6","7","5","8","1") = "9"
    & skf18("6","10","6","7","5","9","1") = "9"
    & skf18("6","10","6","7","5","10","1") = "9"
    & skf18("6","10","6","7","6","1","1") = "9"
    & skf18("6","10","6","7","6","2","1") = "9"
    & skf18("6","10","6","7","6","3","1") = "9"
    & skf18("6","10","6","7","6","4","1") = "9"
    & skf18("6","10","6","7","6","5","1") = "9"
    & skf18("6","10","6","7","6","6","1") = "9"
    & skf18("6","10","6","7","6","7","1") = "9"
    & skf18("6","10","6","7","6","8","1") = "9"
    & skf18("6","10","6","7","6","9","1") = "9"
    & skf18("6","10","6","7","6","10","1") = "9"
    & skf18("6","10","6","7","7","1","1") = "9"
    & skf18("6","10","6","7","7","2","1") = "9"
    & skf18("6","10","6","7","7","3","1") = "9"
    & skf18("6","10","6","7","7","4","1") = "9"
    & skf18("6","10","6","7","7","5","1") = "9"
    & skf18("6","10","6","7","7","6","1") = "9"
    & skf18("6","10","6","7","7","7","1") = "9"
    & skf18("6","10","6","7","7","8","1") = "9"
    & skf18("6","10","6","7","7","9","1") = "9"
    & skf18("6","10","6","7","7","10","1") = "9"
    & skf18("6","10","6","7","8","1","1") = "9"
    & skf18("6","10","6","7","8","2","1") = "9"
    & skf18("6","10","6","7","8","3","1") = "9"
    & skf18("6","10","6","7","8","4","1") = "9"
    & skf18("6","10","6","7","8","5","1") = "9"
    & skf18("6","10","6","7","8","6","1") = "9"
    & skf18("6","10","6","7","8","7","1") = "9"
    & skf18("6","10","6","7","8","8","1") = "9"
    & skf18("6","10","6","7","8","9","1") = "9"
    & skf18("6","10","6","7","8","10","1") = "9"
    & skf18("6","10","6","7","9","1","1") = "9"
    & skf18("6","10","6","7","9","2","1") = "9"
    & skf18("6","10","6","7","9","3","1") = "9"
    & skf18("6","10","6","7","9","4","1") = "9"
    & skf18("6","10","6","7","9","5","1") = "9"
    & skf18("6","10","6","7","9","6","1") = "9"
    & skf18("6","10","6","7","9","7","1") = "9"
    & skf18("6","10","6","7","9","8","1") = "9"
    & skf18("6","10","6","7","9","9","1") = "9"
    & skf18("6","10","6","7","9","10","1") = "9"
    & skf18("6","10","6","7","10","1","1") = "9"
    & skf18("6","10","6","7","10","2","1") = "9"
    & skf18("6","10","6","7","10","3","1") = "9"
    & skf18("6","10","6","7","10","4","1") = "9"
    & skf18("6","10","6","7","10","5","1") = "9"
    & skf18("6","10","6","7","10","6","1") = "9"
    & skf18("6","10","6","7","10","7","1") = "9"
    & skf18("6","10","6","7","10","8","1") = "9"
    & skf18("6","10","6","7","10","9","1") = "9"
    & skf18("6","10","6","7","10","10","1") = "9"
    & skf18("6","10","6","8","1","1","1") = "9"
    & skf18("6","10","6","8","1","2","1") = "9"
    & skf18("6","10","6","8","1","3","1") = "9"
    & skf18("6","10","6","8","1","4","1") = "9"
    & skf18("6","10","6","8","1","5","1") = "9"
    & skf18("6","10","6","8","1","6","1") = "9"
    & skf18("6","10","6","8","1","7","1") = "9"
    & skf18("6","10","6","8","1","8","1") = "9"
    & skf18("6","10","6","8","1","9","1") = "9"
    & skf18("6","10","6","8","1","10","1") = "9"
    & skf18("6","10","6","8","2","1","1") = "9"
    & skf18("6","10","6","8","2","2","1") = "9"
    & skf18("6","10","6","8","2","3","1") = "9"
    & skf18("6","10","6","8","2","4","1") = "9"
    & skf18("6","10","6","8","2","5","1") = "9"
    & skf18("6","10","6","8","2","6","1") = "9"
    & skf18("6","10","6","8","2","7","1") = "9"
    & skf18("6","10","6","8","2","8","1") = "9"
    & skf18("6","10","6","8","2","9","1") = "9"
    & skf18("6","10","6","8","2","10","1") = "9"
    & skf18("6","10","6","8","3","1","1") = "9"
    & skf18("6","10","6","8","3","2","1") = "9"
    & skf18("6","10","6","8","3","3","1") = "9"
    & skf18("6","10","6","8","3","4","1") = "9"
    & skf18("6","10","6","8","3","5","1") = "9"
    & skf18("6","10","6","8","3","6","1") = "9"
    & skf18("6","10","6","8","3","7","1") = "9"
    & skf18("6","10","6","8","3","8","1") = "9"
    & skf18("6","10","6","8","3","9","1") = "9"
    & skf18("6","10","6","8","3","10","1") = "9"
    & skf18("6","10","6","8","4","1","1") = "9"
    & skf18("6","10","6","8","4","2","1") = "9"
    & skf18("6","10","6","8","4","3","1") = "9"
    & skf18("6","10","6","8","4","4","1") = "9"
    & skf18("6","10","6","8","4","5","1") = "9"
    & skf18("6","10","6","8","4","6","1") = "9"
    & skf18("6","10","6","8","4","7","1") = "9"
    & skf18("6","10","6","8","4","8","1") = "9"
    & skf18("6","10","6","8","4","9","1") = "9"
    & skf18("6","10","6","8","4","10","1") = "9"
    & skf18("6","10","6","8","5","1","1") = "9"
    & skf18("6","10","6","8","5","2","1") = "9"
    & skf18("6","10","6","8","5","3","1") = "9"
    & skf18("6","10","6","8","5","4","1") = "9"
    & skf18("6","10","6","8","5","5","1") = "9"
    & skf18("6","10","6","8","5","6","1") = "9"
    & skf18("6","10","6","8","5","7","1") = "9"
    & skf18("6","10","6","8","5","8","1") = "9"
    & skf18("6","10","6","8","5","9","1") = "9"
    & skf18("6","10","6","8","5","10","1") = "9"
    & skf18("6","10","6","8","6","1","1") = "9"
    & skf18("6","10","6","8","6","2","1") = "9"
    & skf18("6","10","6","8","6","3","1") = "9"
    & skf18("6","10","6","8","6","4","1") = "9"
    & skf18("6","10","6","8","6","5","1") = "9"
    & skf18("6","10","6","8","6","6","1") = "9"
    & skf18("6","10","6","8","6","7","1") = "9"
    & skf18("6","10","6","8","6","8","1") = "9"
    & skf18("6","10","6","8","6","9","1") = "9"
    & skf18("6","10","6","8","6","10","1") = "9"
    & skf18("6","10","6","8","7","1","1") = "9"
    & skf18("6","10","6","8","7","2","1") = "9"
    & skf18("6","10","6","8","7","3","1") = "9"
    & skf18("6","10","6","8","7","4","1") = "9"
    & skf18("6","10","6","8","7","5","1") = "9"
    & skf18("6","10","6","8","7","6","1") = "9"
    & skf18("6","10","6","8","7","7","1") = "9"
    & skf18("6","10","6","8","7","8","1") = "9"
    & skf18("6","10","6","8","7","9","1") = "9"
    & skf18("6","10","6","8","7","10","1") = "9"
    & skf18("6","10","6","8","8","1","1") = "9"
    & skf18("6","10","6","8","8","2","1") = "9"
    & skf18("6","10","6","8","8","3","1") = "9"
    & skf18("6","10","6","8","8","4","1") = "9"
    & skf18("6","10","6","8","8","5","1") = "9"
    & skf18("6","10","6","8","8","6","1") = "9"
    & skf18("6","10","6","8","8","7","1") = "9"
    & skf18("6","10","6","8","8","8","1") = "9"
    & skf18("6","10","6","8","8","9","1") = "9"
    & skf18("6","10","6","8","8","10","1") = "9"
    & skf18("6","10","6","8","9","1","1") = "9"
    & skf18("6","10","6","8","9","2","1") = "9"
    & skf18("6","10","6","8","9","3","1") = "9"
    & skf18("6","10","6","8","9","4","1") = "9"
    & skf18("6","10","6","8","9","5","1") = "9"
    & skf18("6","10","6","8","9","6","1") = "9"
    & skf18("6","10","6","8","9","7","1") = "9"
    & skf18("6","10","6","8","9","8","1") = "9"
    & skf18("6","10","6","8","9","9","1") = "9"
    & skf18("6","10","6","8","9","10","1") = "9"
    & skf18("6","10","6","8","10","1","1") = "9"
    & skf18("6","10","6","8","10","2","1") = "9"
    & skf18("6","10","6","8","10","3","1") = "9"
    & skf18("6","10","6","8","10","4","1") = "9"
    & skf18("6","10","6","8","10","5","1") = "9"
    & skf18("6","10","6","8","10","6","1") = "9"
    & skf18("6","10","6","8","10","7","1") = "9"
    & skf18("6","10","6","8","10","8","1") = "9"
    & skf18("6","10","6","8","10","9","1") = "9"
    & skf18("6","10","6","8","10","10","1") = "9"
    & skf18("6","10","6","9","1","1","1") = "9"
    & skf18("6","10","6","9","1","2","1") = "9"
    & skf18("6","10","6","9","1","3","1") = "9"
    & skf18("6","10","6","9","1","4","1") = "9"
    & skf18("6","10","6","9","1","5","1") = "9"
    & skf18("6","10","6","9","1","6","1") = "9"
    & skf18("6","10","6","9","1","7","1") = "9"
    & skf18("6","10","6","9","1","8","1") = "9"
    & skf18("6","10","6","9","1","9","1") = "9"
    & skf18("6","10","6","9","1","10","1") = "9"
    & skf18("6","10","6","9","2","1","1") = "9"
    & skf18("6","10","6","9","2","2","1") = "9"
    & skf18("6","10","6","9","2","3","1") = "9"
    & skf18("6","10","6","9","2","4","1") = "9"
    & skf18("6","10","6","9","2","5","1") = "9"
    & skf18("6","10","6","9","2","6","1") = "9"
    & skf18("6","10","6","9","2","7","1") = "9"
    & skf18("6","10","6","9","2","8","1") = "9"
    & skf18("6","10","6","9","2","9","1") = "9"
    & skf18("6","10","6","9","2","10","1") = "9"
    & skf18("6","10","6","9","3","1","1") = "9"
    & skf18("6","10","6","9","3","2","1") = "9"
    & skf18("6","10","6","9","3","3","1") = "9"
    & skf18("6","10","6","9","3","4","1") = "9"
    & skf18("6","10","6","9","3","5","1") = "9"
    & skf18("6","10","6","9","3","6","1") = "9"
    & skf18("6","10","6","9","3","7","1") = "9"
    & skf18("6","10","6","9","3","8","1") = "9"
    & skf18("6","10","6","9","3","9","1") = "9"
    & skf18("6","10","6","9","3","10","1") = "9"
    & skf18("6","10","6","9","4","1","1") = "9"
    & skf18("6","10","6","9","4","2","1") = "9"
    & skf18("6","10","6","9","4","3","1") = "9"
    & skf18("6","10","6","9","4","4","1") = "9"
    & skf18("6","10","6","9","4","5","1") = "9"
    & skf18("6","10","6","9","4","6","1") = "9"
    & skf18("6","10","6","9","4","7","1") = "9"
    & skf18("6","10","6","9","4","8","1") = "9"
    & skf18("6","10","6","9","4","9","1") = "9"
    & skf18("6","10","6","9","4","10","1") = "9"
    & skf18("6","10","6","9","5","1","1") = "9"
    & skf18("6","10","6","9","5","2","1") = "9"
    & skf18("6","10","6","9","5","3","1") = "9"
    & skf18("6","10","6","9","5","4","1") = "9"
    & skf18("6","10","6","9","5","5","1") = "9"
    & skf18("6","10","6","9","5","6","1") = "9"
    & skf18("6","10","6","9","5","7","1") = "9"
    & skf18("6","10","6","9","5","8","1") = "9"
    & skf18("6","10","6","9","5","9","1") = "9"
    & skf18("6","10","6","9","5","10","1") = "9"
    & skf18("6","10","6","9","6","1","1") = "9"
    & skf18("6","10","6","9","6","2","1") = "9"
    & skf18("6","10","6","9","6","3","1") = "9"
    & skf18("6","10","6","9","6","4","1") = "9"
    & skf18("6","10","6","9","6","5","1") = "9"
    & skf18("6","10","6","9","6","6","1") = "9"
    & skf18("6","10","6","9","6","7","1") = "9"
    & skf18("6","10","6","9","6","8","1") = "9"
    & skf18("6","10","6","9","6","9","1") = "9"
    & skf18("6","10","6","9","6","10","1") = "9"
    & skf18("6","10","6","9","7","1","1") = "9"
    & skf18("6","10","6","9","7","2","1") = "9"
    & skf18("6","10","6","9","7","3","1") = "9"
    & skf18("6","10","6","9","7","4","1") = "9"
    & skf18("6","10","6","9","7","5","1") = "9"
    & skf18("6","10","6","9","7","6","1") = "9"
    & skf18("6","10","6","9","7","7","1") = "9"
    & skf18("6","10","6","9","7","8","1") = "9"
    & skf18("6","10","6","9","7","9","1") = "9"
    & skf18("6","10","6","9","7","10","1") = "9"
    & skf18("6","10","6","9","8","1","1") = "9"
    & skf18("6","10","6","9","8","2","1") = "9"
    & skf18("6","10","6","9","8","3","1") = "9"
    & skf18("6","10","6","9","8","4","1") = "9"
    & skf18("6","10","6","9","8","5","1") = "9"
    & skf18("6","10","6","9","8","6","1") = "9"
    & skf18("6","10","6","9","8","7","1") = "9"
    & skf18("6","10","6","9","8","8","1") = "9"
    & skf18("6","10","6","9","8","9","1") = "9"
    & skf18("6","10","6","9","8","10","1") = "9"
    & skf18("6","10","6","9","9","1","1") = "9"
    & skf18("6","10","6","9","9","2","1") = "9"
    & skf18("6","10","6","9","9","3","1") = "9"
    & skf18("6","10","6","9","9","4","1") = "9"
    & skf18("6","10","6","9","9","5","1") = "9"
    & skf18("6","10","6","9","9","6","1") = "9"
    & skf18("6","10","6","9","9","7","1") = "9"
    & skf18("6","10","6","9","9","8","1") = "9"
    & skf18("6","10","6","9","9","9","1") = "9"
    & skf18("6","10","6","9","9","10","1") = "9"
    & skf18("6","10","6","9","10","1","1") = "9"
    & skf18("6","10","6","9","10","2","1") = "9"
    & skf18("6","10","6","9","10","3","1") = "9"
    & skf18("6","10","6","9","10","4","1") = "9"
    & skf18("6","10","6","9","10","5","1") = "9"
    & skf18("6","10","6","9","10","6","1") = "9"
    & skf18("6","10","6","9","10","7","1") = "9"
    & skf18("6","10","6","9","10","8","1") = "9"
    & skf18("6","10","6","9","10","9","1") = "9"
    & skf18("6","10","6","9","10","10","1") = "9"
    & skf18("6","10","6","10","1","1","1") = "9"
    & skf18("6","10","6","10","1","2","1") = "9"
    & skf18("6","10","6","10","1","3","1") = "9"
    & skf18("6","10","6","10","1","4","1") = "9"
    & skf18("6","10","6","10","1","5","1") = "9"
    & skf18("6","10","6","10","1","6","1") = "9"
    & skf18("6","10","6","10","1","7","1") = "9"
    & skf18("6","10","6","10","1","8","1") = "9"
    & skf18("6","10","6","10","1","9","1") = "9"
    & skf18("6","10","6","10","1","10","1") = "9"
    & skf18("6","10","6","10","2","1","1") = "9"
    & skf18("6","10","6","10","2","2","1") = "9"
    & skf18("6","10","6","10","2","3","1") = "9"
    & skf18("6","10","6","10","2","4","1") = "9"
    & skf18("6","10","6","10","2","5","1") = "9"
    & skf18("6","10","6","10","2","6","1") = "9"
    & skf18("6","10","6","10","2","7","1") = "9"
    & skf18("6","10","6","10","2","8","1") = "9"
    & skf18("6","10","6","10","2","9","1") = "9"
    & skf18("6","10","6","10","2","10","1") = "9"
    & skf18("6","10","6","10","3","1","1") = "9"
    & skf18("6","10","6","10","3","2","1") = "9"
    & skf18("6","10","6","10","3","3","1") = "9"
    & skf18("6","10","6","10","3","4","1") = "9"
    & skf18("6","10","6","10","3","5","1") = "9"
    & skf18("6","10","6","10","3","6","1") = "9"
    & skf18("6","10","6","10","3","7","1") = "9"
    & skf18("6","10","6","10","3","8","1") = "9"
    & skf18("6","10","6","10","3","9","1") = "9"
    & skf18("6","10","6","10","3","10","1") = "9"
    & skf18("6","10","6","10","4","1","1") = "9"
    & skf18("6","10","6","10","4","2","1") = "9"
    & skf18("6","10","6","10","4","3","1") = "9"
    & skf18("6","10","6","10","4","4","1") = "9"
    & skf18("6","10","6","10","4","5","1") = "9"
    & skf18("6","10","6","10","4","6","1") = "9"
    & skf18("6","10","6","10","4","7","1") = "9"
    & skf18("6","10","6","10","4","8","1") = "9"
    & skf18("6","10","6","10","4","9","1") = "9"
    & skf18("6","10","6","10","4","10","1") = "9"
    & skf18("6","10","6","10","5","1","1") = "9"
    & skf18("6","10","6","10","5","2","1") = "9"
    & skf18("6","10","6","10","5","3","1") = "9"
    & skf18("6","10","6","10","5","4","1") = "9"
    & skf18("6","10","6","10","5","5","1") = "9"
    & skf18("6","10","6","10","5","6","1") = "9"
    & skf18("6","10","6","10","5","7","1") = "9"
    & skf18("6","10","6","10","5","8","1") = "9"
    & skf18("6","10","6","10","5","9","1") = "9"
    & skf18("6","10","6","10","5","10","1") = "9"
    & skf18("6","10","6","10","6","1","1") = "9"
    & skf18("6","10","6","10","6","2","1") = "9"
    & skf18("6","10","6","10","6","3","1") = "9"
    & skf18("6","10","6","10","6","4","1") = "9"
    & skf18("6","10","6","10","6","5","1") = "9"
    & skf18("6","10","6","10","6","6","1") = "9"
    & skf18("6","10","6","10","6","7","1") = "9"
    & skf18("6","10","6","10","6","8","1") = "9"
    & skf18("6","10","6","10","6","9","1") = "9"
    & skf18("6","10","6","10","6","10","1") = "9"
    & skf18("6","10","6","10","7","1","1") = "9"
    & skf18("6","10","6","10","7","2","1") = "9"
    & skf18("6","10","6","10","7","3","1") = "9"
    & skf18("6","10","6","10","7","4","1") = "9"
    & skf18("6","10","6","10","7","5","1") = "9"
    & skf18("6","10","6","10","7","6","1") = "9"
    & skf18("6","10","6","10","7","7","1") = "9"
    & skf18("6","10","6","10","7","8","1") = "9"
    & skf18("6","10","6","10","7","9","1") = "9"
    & skf18("6","10","6","10","7","10","1") = "9"
    & skf18("6","10","6","10","8","1","1") = "9"
    & skf18("6","10","6","10","8","2","1") = "9"
    & skf18("6","10","6","10","8","3","1") = "9"
    & skf18("6","10","6","10","8","4","1") = "9"
    & skf18("6","10","6","10","8","5","1") = "9"
    & skf18("6","10","6","10","8","6","1") = "9"
    & skf18("6","10","6","10","8","7","1") = "9"
    & skf18("6","10","6","10","8","8","1") = "9"
    & skf18("6","10","6","10","8","9","1") = "9"
    & skf18("6","10","6","10","8","10","1") = "9"
    & skf18("6","10","6","10","9","1","1") = "9"
    & skf18("6","10","6","10","9","2","1") = "9"
    & skf18("6","10","6","10","9","3","1") = "9"
    & skf18("6","10","6","10","9","4","1") = "9"
    & skf18("6","10","6","10","9","5","1") = "9"
    & skf18("6","10","6","10","9","6","1") = "9"
    & skf18("6","10","6","10","9","7","1") = "9"
    & skf18("6","10","6","10","9","8","1") = "9"
    & skf18("6","10","6","10","9","9","1") = "9"
    & skf18("6","10","6","10","9","10","1") = "9"
    & skf18("6","10","6","10","10","1","1") = "9"
    & skf18("6","10","6","10","10","2","1") = "9"
    & skf18("6","10","6","10","10","3","1") = "9"
    & skf18("6","10","6","10","10","4","1") = "9"
    & skf18("6","10","6","10","10","5","1") = "9"
    & skf18("6","10","6","10","10","6","1") = "9"
    & skf18("6","10","6","10","10","7","1") = "9"
    & skf18("6","10","6","10","10","8","1") = "9"
    & skf18("6","10","6","10","10","9","1") = "9"
    & skf18("6","10","6","10","10","10","1") = "9"
    & skf18("6","10","7","1","1","1","1") = "9"
    & skf18("6","10","7","1","1","2","1") = "9"
    & skf18("6","10","7","1","1","3","1") = "9"
    & skf18("6","10","7","1","1","4","1") = "9"
    & skf18("6","10","7","1","1","5","1") = "9"
    & skf18("6","10","7","1","1","6","1") = "9"
    & skf18("6","10","7","1","1","7","1") = "9"
    & skf18("6","10","7","1","1","8","1") = "9"
    & skf18("6","10","7","1","1","9","1") = "9"
    & skf18("6","10","7","1","1","10","1") = "9"
    & skf18("6","10","7","1","2","1","1") = "9"
    & skf18("6","10","7","1","2","2","1") = "9"
    & skf18("6","10","7","1","2","3","1") = "9"
    & skf18("6","10","7","1","2","4","1") = "9"
    & skf18("6","10","7","1","2","5","1") = "9"
    & skf18("6","10","7","1","2","6","1") = "9"
    & skf18("6","10","7","1","2","7","1") = "9"
    & skf18("6","10","7","1","2","8","1") = "9"
    & skf18("6","10","7","1","2","9","1") = "9"
    & skf18("6","10","7","1","2","10","1") = "9"
    & skf18("6","10","7","1","3","1","1") = "9"
    & skf18("6","10","7","1","3","2","1") = "9"
    & skf18("6","10","7","1","3","3","1") = "9"
    & skf18("6","10","7","1","3","4","1") = "9"
    & skf18("6","10","7","1","3","5","1") = "9"
    & skf18("6","10","7","1","3","6","1") = "9"
    & skf18("6","10","7","1","3","7","1") = "9"
    & skf18("6","10","7","1","3","8","1") = "9"
    & skf18("6","10","7","1","3","9","1") = "9"
    & skf18("6","10","7","1","3","10","1") = "9"
    & skf18("6","10","7","1","4","1","1") = "9"
    & skf18("6","10","7","1","4","2","1") = "9"
    & skf18("6","10","7","1","4","3","1") = "9"
    & skf18("6","10","7","1","4","4","1") = "9"
    & skf18("6","10","7","1","4","5","1") = "9"
    & skf18("6","10","7","1","4","6","1") = "9"
    & skf18("6","10","7","1","4","7","1") = "9"
    & skf18("6","10","7","1","4","8","1") = "9"
    & skf18("6","10","7","1","4","9","1") = "9"
    & skf18("6","10","7","1","4","10","1") = "9"
    & skf18("6","10","7","1","5","1","1") = "9"
    & skf18("6","10","7","1","5","2","1") = "9"
    & skf18("6","10","7","1","5","3","1") = "9"
    & skf18("6","10","7","1","5","4","1") = "9"
    & skf18("6","10","7","1","5","5","1") = "9"
    & skf18("6","10","7","1","5","6","1") = "9"
    & skf18("6","10","7","1","5","7","1") = "9"
    & skf18("6","10","7","1","5","8","1") = "9"
    & skf18("6","10","7","1","5","9","1") = "9"
    & skf18("6","10","7","1","5","10","1") = "9"
    & skf18("6","10","7","1","6","1","1") = "9"
    & skf18("6","10","7","1","6","2","1") = "9"
    & skf18("6","10","7","1","6","3","1") = "9"
    & skf18("6","10","7","1","6","4","1") = "9"
    & skf18("6","10","7","1","6","5","1") = "9"
    & skf18("6","10","7","1","6","6","1") = "9"
    & skf18("6","10","7","1","6","7","1") = "9"
    & skf18("6","10","7","1","6","8","1") = "9"
    & skf18("6","10","7","1","6","9","1") = "9"
    & skf18("6","10","7","1","6","10","1") = "9"
    & skf18("6","10","7","1","7","1","1") = "9"
    & skf18("6","10","7","1","7","2","1") = "9"
    & skf18("6","10","7","1","7","3","1") = "9"
    & skf18("6","10","7","1","7","4","1") = "9"
    & skf18("6","10","7","1","7","5","1") = "9"
    & skf18("6","10","7","1","7","6","1") = "9"
    & skf18("6","10","7","1","7","7","1") = "9"
    & skf18("6","10","7","1","7","8","1") = "9"
    & skf18("6","10","7","1","7","9","1") = "9"
    & skf18("6","10","7","1","7","10","1") = "9"
    & skf18("6","10","7","1","8","1","1") = "9"
    & skf18("6","10","7","1","8","2","1") = "9"
    & skf18("6","10","7","1","8","3","1") = "9"
    & skf18("6","10","7","1","8","4","1") = "9"
    & skf18("6","10","7","1","8","5","1") = "9"
    & skf18("6","10","7","1","8","6","1") = "9"
    & skf18("6","10","7","1","8","7","1") = "9"
    & skf18("6","10","7","1","8","8","1") = "9"
    & skf18("6","10","7","1","8","9","1") = "9"
    & skf18("6","10","7","1","8","10","1") = "9"
    & skf18("6","10","7","1","9","1","1") = "9"
    & skf18("6","10","7","1","9","2","1") = "9"
    & skf18("6","10","7","1","9","3","1") = "9"
    & skf18("6","10","7","1","9","4","1") = "9"
    & skf18("6","10","7","1","9","5","1") = "9"
    & skf18("6","10","7","1","9","6","1") = "9"
    & skf18("6","10","7","1","9","7","1") = "9"
    & skf18("6","10","7","1","9","8","1") = "9"
    & skf18("6","10","7","1","9","9","1") = "9"
    & skf18("6","10","7","1","9","10","1") = "9"
    & skf18("6","10","7","1","10","1","1") = "9"
    & skf18("6","10","7","1","10","2","1") = "9"
    & skf18("6","10","7","1","10","3","1") = "9"
    & skf18("6","10","7","1","10","4","1") = "9"
    & skf18("6","10","7","1","10","5","1") = "9"
    & skf18("6","10","7","1","10","6","1") = "9"
    & skf18("6","10","7","1","10","7","1") = "9"
    & skf18("6","10","7","1","10","8","1") = "9"
    & skf18("6","10","7","1","10","9","1") = "9"
    & skf18("6","10","7","1","10","10","1") = "9"
    & skf18("6","10","7","2","1","1","1") = "9"
    & skf18("6","10","7","2","1","2","1") = "9"
    & skf18("6","10","7","2","1","3","1") = "9"
    & skf18("6","10","7","2","1","4","1") = "9"
    & skf18("6","10","7","2","1","5","1") = "9"
    & skf18("6","10","7","2","1","6","1") = "9"
    & skf18("6","10","7","2","1","7","1") = "9"
    & skf18("6","10","7","2","1","8","1") = "9"
    & skf18("6","10","7","2","1","9","1") = "9"
    & skf18("6","10","7","2","1","10","1") = "9"
    & skf18("6","10","7","2","2","1","1") = "9"
    & skf18("6","10","7","2","2","2","1") = "9"
    & skf18("6","10","7","2","2","3","1") = "9"
    & skf18("6","10","7","2","2","4","1") = "9"
    & skf18("6","10","7","2","2","5","1") = "9"
    & skf18("6","10","7","2","2","6","1") = "9"
    & skf18("6","10","7","2","2","7","1") = "9"
    & skf18("6","10","7","2","2","8","1") = "9"
    & skf18("6","10","7","2","2","9","1") = "9"
    & skf18("6","10","7","2","2","10","1") = "9"
    & skf18("6","10","7","2","3","1","1") = "9"
    & skf18("6","10","7","2","3","2","1") = "9"
    & skf18("6","10","7","2","3","3","1") = "9"
    & skf18("6","10","7","2","3","4","1") = "9"
    & skf18("6","10","7","2","3","5","1") = "9"
    & skf18("6","10","7","2","3","6","1") = "9"
    & skf18("6","10","7","2","3","7","1") = "9"
    & skf18("6","10","7","2","3","8","1") = "9"
    & skf18("6","10","7","2","3","9","1") = "9"
    & skf18("6","10","7","2","3","10","1") = "9"
    & skf18("6","10","7","2","4","1","1") = "9"
    & skf18("6","10","7","2","4","2","1") = "9"
    & skf18("6","10","7","2","4","3","1") = "9"
    & skf18("6","10","7","2","4","4","1") = "9"
    & skf18("6","10","7","2","4","5","1") = "9"
    & skf18("6","10","7","2","4","6","1") = "9"
    & skf18("6","10","7","2","4","7","1") = "9"
    & skf18("6","10","7","2","4","8","1") = "9"
    & skf18("6","10","7","2","4","9","1") = "9"
    & skf18("6","10","7","2","4","10","1") = "9"
    & skf18("6","10","7","2","5","1","1") = "9"
    & skf18("6","10","7","2","5","2","1") = "9"
    & skf18("6","10","7","2","5","3","1") = "9"
    & skf18("6","10","7","2","5","4","1") = "9"
    & skf18("6","10","7","2","5","5","1") = "9"
    & skf18("6","10","7","2","5","6","1") = "9"
    & skf18("6","10","7","2","5","7","1") = "9"
    & skf18("6","10","7","2","5","8","1") = "9"
    & skf18("6","10","7","2","5","9","1") = "9"
    & skf18("6","10","7","2","5","10","1") = "9"
    & skf18("6","10","7","2","6","1","1") = "9"
    & skf18("6","10","7","2","6","2","1") = "9"
    & skf18("6","10","7","2","6","3","1") = "9"
    & skf18("6","10","7","2","6","4","1") = "9"
    & skf18("6","10","7","2","6","5","1") = "9"
    & skf18("6","10","7","2","6","6","1") = "9"
    & skf18("6","10","7","2","6","7","1") = "9"
    & skf18("6","10","7","2","6","8","1") = "9"
    & skf18("6","10","7","2","6","9","1") = "9"
    & skf18("6","10","7","2","6","10","1") = "9"
    & skf18("6","10","7","2","7","1","1") = "9"
    & skf18("6","10","7","2","7","2","1") = "9"
    & skf18("6","10","7","2","7","3","1") = "9"
    & skf18("6","10","7","2","7","4","1") = "9"
    & skf18("6","10","7","2","7","5","1") = "9"
    & skf18("6","10","7","2","7","6","1") = "9"
    & skf18("6","10","7","2","7","7","1") = "9"
    & skf18("6","10","7","2","7","8","1") = "9"
    & skf18("6","10","7","2","7","9","1") = "9"
    & skf18("6","10","7","2","7","10","1") = "9"
    & skf18("6","10","7","2","8","1","1") = "9"
    & skf18("6","10","7","2","8","2","1") = "9"
    & skf18("6","10","7","2","8","3","1") = "9"
    & skf18("6","10","7","2","8","4","1") = "9"
    & skf18("6","10","7","2","8","5","1") = "9"
    & skf18("6","10","7","2","8","6","1") = "9"
    & skf18("6","10","7","2","8","7","1") = "9"
    & skf18("6","10","7","2","8","8","1") = "9"
    & skf18("6","10","7","2","8","9","1") = "9"
    & skf18("6","10","7","2","8","10","1") = "9"
    & skf18("6","10","7","2","9","1","1") = "9"
    & skf18("6","10","7","2","9","2","1") = "9"
    & skf18("6","10","7","2","9","3","1") = "9"
    & skf18("6","10","7","2","9","4","1") = "9"
    & skf18("6","10","7","2","9","5","1") = "9"
    & skf18("6","10","7","2","9","6","1") = "9"
    & skf18("6","10","7","2","9","7","1") = "9"
    & skf18("6","10","7","2","9","8","1") = "9"
    & skf18("6","10","7","2","9","9","1") = "9"
    & skf18("6","10","7","2","9","10","1") = "9"
    & skf18("6","10","7","2","10","1","1") = "9"
    & skf18("6","10","7","2","10","2","1") = "9"
    & skf18("6","10","7","2","10","3","1") = "9"
    & skf18("6","10","7","2","10","4","1") = "9"
    & skf18("6","10","7","2","10","5","1") = "9"
    & skf18("6","10","7","2","10","6","1") = "9"
    & skf18("6","10","7","2","10","7","1") = "9"
    & skf18("6","10","7","2","10","8","1") = "9"
    & skf18("6","10","7","2","10","9","1") = "9"
    & skf18("6","10","7","2","10","10","1") = "9"
    & skf18("6","10","7","3","1","1","1") = "9"
    & skf18("6","10","7","3","1","2","1") = "9"
    & skf18("6","10","7","3","1","3","1") = "9"
    & skf18("6","10","7","3","1","4","1") = "9"
    & skf18("6","10","7","3","1","5","1") = "9"
    & skf18("6","10","7","3","1","6","1") = "9"
    & skf18("6","10","7","3","1","7","1") = "9"
    & skf18("6","10","7","3","1","8","1") = "9"
    & skf18("6","10","7","3","1","9","1") = "9"
    & skf18("6","10","7","3","1","10","1") = "9"
    & skf18("6","10","7","3","2","1","1") = "9"
    & skf18("6","10","7","3","2","2","1") = "9"
    & skf18("6","10","7","3","2","3","1") = "9"
    & skf18("6","10","7","3","2","4","1") = "9"
    & skf18("6","10","7","3","2","5","1") = "9"
    & skf18("6","10","7","3","2","6","1") = "9"
    & skf18("6","10","7","3","2","7","1") = "9"
    & skf18("6","10","7","3","2","8","1") = "9"
    & skf18("6","10","7","3","2","9","1") = "9"
    & skf18("6","10","7","3","2","10","1") = "9"
    & skf18("6","10","7","3","3","1","1") = "9"
    & skf18("6","10","7","3","3","2","1") = "9"
    & skf18("6","10","7","3","3","3","1") = "9"
    & skf18("6","10","7","3","3","4","1") = "9"
    & skf18("6","10","7","3","3","5","1") = "9"
    & skf18("6","10","7","3","3","6","1") = "9"
    & skf18("6","10","7","3","3","7","1") = "9"
    & skf18("6","10","7","3","3","8","1") = "9"
    & skf18("6","10","7","3","3","9","1") = "9"
    & skf18("6","10","7","3","3","10","1") = "9"
    & skf18("6","10","7","3","4","1","1") = "9"
    & skf18("6","10","7","3","4","2","1") = "9"
    & skf18("6","10","7","3","4","3","1") = "9"
    & skf18("6","10","7","3","4","4","1") = "9"
    & skf18("6","10","7","3","4","5","1") = "9"
    & skf18("6","10","7","3","4","6","1") = "9"
    & skf18("6","10","7","3","4","7","1") = "9"
    & skf18("6","10","7","3","4","8","1") = "9"
    & skf18("6","10","7","3","4","9","1") = "9"
    & skf18("6","10","7","3","4","10","1") = "9"
    & skf18("6","10","7","3","5","1","1") = "9"
    & skf18("6","10","7","3","5","2","1") = "9"
    & skf18("6","10","7","3","5","3","1") = "9"
    & skf18("6","10","7","3","5","4","1") = "9"
    & skf18("6","10","7","3","5","5","1") = "9"
    & skf18("6","10","7","3","5","6","1") = "9"
    & skf18("6","10","7","3","5","7","1") = "9"
    & skf18("6","10","7","3","5","8","1") = "9"
    & skf18("6","10","7","3","5","9","1") = "9"
    & skf18("6","10","7","3","5","10","1") = "9"
    & skf18("6","10","7","3","6","1","1") = "9"
    & skf18("6","10","7","3","6","2","1") = "9"
    & skf18("6","10","7","3","6","3","1") = "9"
    & skf18("6","10","7","3","6","4","1") = "9"
    & skf18("6","10","7","3","6","5","1") = "9"
    & skf18("6","10","7","3","6","6","1") = "9"
    & skf18("6","10","7","3","6","7","1") = "9"
    & skf18("6","10","7","3","6","8","1") = "9"
    & skf18("6","10","7","3","6","9","1") = "9"
    & skf18("6","10","7","3","6","10","1") = "9"
    & skf18("6","10","7","3","7","1","1") = "9"
    & skf18("6","10","7","3","7","2","1") = "9"
    & skf18("6","10","7","3","7","3","1") = "9"
    & skf18("6","10","7","3","7","4","1") = "9"
    & skf18("6","10","7","3","7","5","1") = "9"
    & skf18("6","10","7","3","7","6","1") = "9"
    & skf18("6","10","7","3","7","7","1") = "9"
    & skf18("6","10","7","3","7","8","1") = "9"
    & skf18("6","10","7","3","7","9","1") = "9"
    & skf18("6","10","7","3","7","10","1") = "9"
    & skf18("6","10","7","3","8","1","1") = "9"
    & skf18("6","10","7","3","8","2","1") = "9"
    & skf18("6","10","7","3","8","3","1") = "9"
    & skf18("6","10","7","3","8","4","1") = "9"
    & skf18("6","10","7","3","8","5","1") = "9"
    & skf18("6","10","7","3","8","6","1") = "9"
    & skf18("6","10","7","3","8","7","1") = "9"
    & skf18("6","10","7","3","8","8","1") = "9"
    & skf18("6","10","7","3","8","9","1") = "9"
    & skf18("6","10","7","3","8","10","1") = "9"
    & skf18("6","10","7","3","9","1","1") = "9"
    & skf18("6","10","7","3","9","2","1") = "9"
    & skf18("6","10","7","3","9","3","1") = "9"
    & skf18("6","10","7","3","9","4","1") = "9"
    & skf18("6","10","7","3","9","5","1") = "9"
    & skf18("6","10","7","3","9","6","1") = "9"
    & skf18("6","10","7","3","9","7","1") = "9"
    & skf18("6","10","7","3","9","8","1") = "9"
    & skf18("6","10","7","3","9","9","1") = "9"
    & skf18("6","10","7","3","9","10","1") = "9"
    & skf18("6","10","7","3","10","1","1") = "9"
    & skf18("6","10","7","3","10","2","1") = "9"
    & skf18("6","10","7","3","10","3","1") = "9"
    & skf18("6","10","7","3","10","4","1") = "9"
    & skf18("6","10","7","3","10","5","1") = "9"
    & skf18("6","10","7","3","10","6","1") = "9"
    & skf18("6","10","7","3","10","7","1") = "9"
    & skf18("6","10","7","3","10","8","1") = "9"
    & skf18("6","10","7","3","10","9","1") = "9"
    & skf18("6","10","7","3","10","10","1") = "9"
    & skf18("6","10","7","4","1","1","1") = "9"
    & skf18("6","10","7","4","1","2","1") = "9"
    & skf18("6","10","7","4","1","3","1") = "9"
    & skf18("6","10","7","4","1","4","1") = "9"
    & skf18("6","10","7","4","1","5","1") = "9"
    & skf18("6","10","7","4","1","6","1") = "9"
    & skf18("6","10","7","4","1","7","1") = "9"
    & skf18("6","10","7","4","1","8","1") = "9"
    & skf18("6","10","7","4","1","9","1") = "9"
    & skf18("6","10","7","4","1","10","1") = "9"
    & skf18("6","10","7","4","2","1","1") = "9"
    & skf18("6","10","7","4","2","2","1") = "9"
    & skf18("6","10","7","4","2","3","1") = "9"
    & skf18("6","10","7","4","2","4","1") = "9"
    & skf18("6","10","7","4","2","5","1") = "9"
    & skf18("6","10","7","4","2","6","1") = "9"
    & skf18("6","10","7","4","2","7","1") = "9"
    & skf18("6","10","7","4","2","8","1") = "9"
    & skf18("6","10","7","4","2","9","1") = "9"
    & skf18("6","10","7","4","2","10","1") = "9"
    & skf18("6","10","7","4","3","1","1") = "9"
    & skf18("6","10","7","4","3","2","1") = "9"
    & skf18("6","10","7","4","3","3","1") = "9"
    & skf18("6","10","7","4","3","4","1") = "9"
    & skf18("6","10","7","4","3","5","1") = "9"
    & skf18("6","10","7","4","3","6","1") = "9"
    & skf18("6","10","7","4","3","7","1") = "9"
    & skf18("6","10","7","4","3","8","1") = "9"
    & skf18("6","10","7","4","3","9","1") = "9"
    & skf18("6","10","7","4","3","10","1") = "9"
    & skf18("6","10","7","4","4","1","1") = "9"
    & skf18("6","10","7","4","4","2","1") = "9"
    & skf18("6","10","7","4","4","3","1") = "9"
    & skf18("6","10","7","4","4","4","1") = "9"
    & skf18("6","10","7","4","4","5","1") = "9"
    & skf18("6","10","7","4","4","6","1") = "9"
    & skf18("6","10","7","4","4","7","1") = "9"
    & skf18("6","10","7","4","4","8","1") = "9"
    & skf18("6","10","7","4","4","9","1") = "9"
    & skf18("6","10","7","4","4","10","1") = "9"
    & skf18("6","10","7","4","5","1","1") = "9"
    & skf18("6","10","7","4","5","2","1") = "9"
    & skf18("6","10","7","4","5","3","1") = "9"
    & skf18("6","10","7","4","5","4","1") = "9"
    & skf18("6","10","7","4","5","5","1") = "9"
    & skf18("6","10","7","4","5","6","1") = "9"
    & skf18("6","10","7","4","5","7","1") = "9"
    & skf18("6","10","7","4","5","8","1") = "9"
    & skf18("6","10","7","4","5","9","1") = "9"
    & skf18("6","10","7","4","5","10","1") = "9"
    & skf18("6","10","7","4","6","1","1") = "9"
    & skf18("6","10","7","4","6","2","1") = "9"
    & skf18("6","10","7","4","6","3","1") = "9"
    & skf18("6","10","7","4","6","4","1") = "9"
    & skf18("6","10","7","4","6","5","1") = "9"
    & skf18("6","10","7","4","6","6","1") = "9"
    & skf18("6","10","7","4","6","7","1") = "9"
    & skf18("6","10","7","4","6","8","1") = "9"
    & skf18("6","10","7","4","6","9","1") = "9"
    & skf18("6","10","7","4","6","10","1") = "9"
    & skf18("6","10","7","4","7","1","1") = "9"
    & skf18("6","10","7","4","7","2","1") = "9"
    & skf18("6","10","7","4","7","3","1") = "9"
    & skf18("6","10","7","4","7","4","1") = "9"
    & skf18("6","10","7","4","7","5","1") = "9"
    & skf18("6","10","7","4","7","6","1") = "9"
    & skf18("6","10","7","4","7","7","1") = "9"
    & skf18("6","10","7","4","7","8","1") = "9"
    & skf18("6","10","7","4","7","9","1") = "9"
    & skf18("6","10","7","4","7","10","1") = "9"
    & skf18("6","10","7","4","8","1","1") = "9"
    & skf18("6","10","7","4","8","2","1") = "9"
    & skf18("6","10","7","4","8","3","1") = "9"
    & skf18("6","10","7","4","8","4","1") = "9"
    & skf18("6","10","7","4","8","5","1") = "9"
    & skf18("6","10","7","4","8","6","1") = "9"
    & skf18("6","10","7","4","8","7","1") = "9"
    & skf18("6","10","7","4","8","8","1") = "9"
    & skf18("6","10","7","4","8","9","1") = "9"
    & skf18("6","10","7","4","8","10","1") = "9"
    & skf18("6","10","7","4","9","1","1") = "9"
    & skf18("6","10","7","4","9","2","1") = "9"
    & skf18("6","10","7","4","9","3","1") = "9"
    & skf18("6","10","7","4","9","4","1") = "9"
    & skf18("6","10","7","4","9","5","1") = "9"
    & skf18("6","10","7","4","9","6","1") = "9"
    & skf18("6","10","7","4","9","7","1") = "9"
    & skf18("6","10","7","4","9","8","1") = "9"
    & skf18("6","10","7","4","9","9","1") = "9"
    & skf18("6","10","7","4","9","10","1") = "9"
    & skf18("6","10","7","4","10","1","1") = "9"
    & skf18("6","10","7","4","10","2","1") = "9"
    & skf18("6","10","7","4","10","3","1") = "9"
    & skf18("6","10","7","4","10","4","1") = "9"
    & skf18("6","10","7","4","10","5","1") = "9"
    & skf18("6","10","7","4","10","6","1") = "9"
    & skf18("6","10","7","4","10","7","1") = "9"
    & skf18("6","10","7","4","10","8","1") = "9"
    & skf18("6","10","7","4","10","9","1") = "9"
    & skf18("6","10","7","4","10","10","1") = "9"
    & skf18("6","10","7","5","1","1","1") = "9"
    & skf18("6","10","7","5","1","2","1") = "9"
    & skf18("6","10","7","5","1","3","1") = "9"
    & skf18("6","10","7","5","1","4","1") = "9"
    & skf18("6","10","7","5","1","5","1") = "9"
    & skf18("6","10","7","5","1","6","1") = "9"
    & skf18("6","10","7","5","1","7","1") = "9"
    & skf18("6","10","7","5","1","8","1") = "9"
    & skf18("6","10","7","5","1","9","1") = "9"
    & skf18("6","10","7","5","1","10","1") = "9"
    & skf18("6","10","7","5","2","1","1") = "9"
    & skf18("6","10","7","5","2","2","1") = "9"
    & skf18("6","10","7","5","2","3","1") = "9"
    & skf18("6","10","7","5","2","4","1") = "9"
    & skf18("6","10","7","5","2","5","1") = "9"
    & skf18("6","10","7","5","2","6","1") = "9"
    & skf18("6","10","7","5","2","7","1") = "9"
    & skf18("6","10","7","5","2","8","1") = "9"
    & skf18("6","10","7","5","2","9","1") = "9"
    & skf18("6","10","7","5","2","10","1") = "9"
    & skf18("6","10","7","5","3","1","1") = "9"
    & skf18("6","10","7","5","3","2","1") = "9"
    & skf18("6","10","7","5","3","3","1") = "9"
    & skf18("6","10","7","5","3","4","1") = "9"
    & skf18("6","10","7","5","3","5","1") = "9"
    & skf18("6","10","7","5","3","6","1") = "9"
    & skf18("6","10","7","5","3","7","1") = "9"
    & skf18("6","10","7","5","3","8","1") = "9"
    & skf18("6","10","7","5","3","9","1") = "9"
    & skf18("6","10","7","5","3","10","1") = "9"
    & skf18("6","10","7","5","4","1","1") = "9"
    & skf18("6","10","7","5","4","2","1") = "9"
    & skf18("6","10","7","5","4","3","1") = "9"
    & skf18("6","10","7","5","4","4","1") = "9"
    & skf18("6","10","7","5","4","5","1") = "9"
    & skf18("6","10","7","5","4","6","1") = "9"
    & skf18("6","10","7","5","4","7","1") = "9"
    & skf18("6","10","7","5","4","8","1") = "9"
    & skf18("6","10","7","5","4","9","1") = "9"
    & skf18("6","10","7","5","4","10","1") = "9"
    & skf18("6","10","7","5","5","1","1") = "9"
    & skf18("6","10","7","5","5","2","1") = "9"
    & skf18("6","10","7","5","5","3","1") = "9"
    & skf18("6","10","7","5","5","4","1") = "9"
    & skf18("6","10","7","5","5","5","1") = "9"
    & skf18("6","10","7","5","5","6","1") = "9"
    & skf18("6","10","7","5","5","7","1") = "9"
    & skf18("6","10","7","5","5","8","1") = "9"
    & skf18("6","10","7","5","5","9","1") = "9"
    & skf18("6","10","7","5","5","10","1") = "9"
    & skf18("6","10","7","5","6","1","1") = "9"
    & skf18("6","10","7","5","6","2","1") = "9"
    & skf18("6","10","7","5","6","3","1") = "9"
    & skf18("6","10","7","5","6","4","1") = "9"
    & skf18("6","10","7","5","6","5","1") = "9"
    & skf18("6","10","7","5","6","6","1") = "9"
    & skf18("6","10","7","5","6","7","1") = "9"
    & skf18("6","10","7","5","6","8","1") = "9"
    & skf18("6","10","7","5","6","9","1") = "9"
    & skf18("6","10","7","5","6","10","1") = "9"
    & skf18("6","10","7","5","7","1","1") = "9"
    & skf18("6","10","7","5","7","2","1") = "9"
    & skf18("6","10","7","5","7","3","1") = "9"
    & skf18("6","10","7","5","7","4","1") = "9"
    & skf18("6","10","7","5","7","5","1") = "9"
    & skf18("6","10","7","5","7","6","1") = "9"
    & skf18("6","10","7","5","7","7","1") = "9"
    & skf18("6","10","7","5","7","8","1") = "9"
    & skf18("6","10","7","5","7","9","1") = "9"
    & skf18("6","10","7","5","7","10","1") = "9"
    & skf18("6","10","7","5","8","1","1") = "9"
    & skf18("6","10","7","5","8","2","1") = "9"
    & skf18("6","10","7","5","8","3","1") = "9"
    & skf18("6","10","7","5","8","4","1") = "9"
    & skf18("6","10","7","5","8","5","1") = "9"
    & skf18("6","10","7","5","8","6","1") = "9"
    & skf18("6","10","7","5","8","7","1") = "9"
    & skf18("6","10","7","5","8","8","1") = "9"
    & skf18("6","10","7","5","8","9","1") = "9"
    & skf18("6","10","7","5","8","10","1") = "9"
    & skf18("6","10","7","5","9","1","1") = "9"
    & skf18("6","10","7","5","9","2","1") = "9"
    & skf18("6","10","7","5","9","3","1") = "9"
    & skf18("6","10","7","5","9","4","1") = "9"
    & skf18("6","10","7","5","9","5","1") = "9"
    & skf18("6","10","7","5","9","6","1") = "9"
    & skf18("6","10","7","5","9","7","1") = "9"
    & skf18("6","10","7","5","9","8","1") = "9"
    & skf18("6","10","7","5","9","9","1") = "9"
    & skf18("6","10","7","5","9","10","1") = "9"
    & skf18("6","10","7","5","10","1","1") = "9"
    & skf18("6","10","7","5","10","2","1") = "9"
    & skf18("6","10","7","5","10","3","1") = "9"
    & skf18("6","10","7","5","10","4","1") = "9"
    & skf18("6","10","7","5","10","5","1") = "9"
    & skf18("6","10","7","5","10","6","1") = "9"
    & skf18("6","10","7","5","10","7","1") = "9"
    & skf18("6","10","7","5","10","8","1") = "9"
    & skf18("6","10","7","5","10","9","1") = "9"
    & skf18("6","10","7","5","10","10","1") = "9"
    & skf18("6","10","7","6","1","1","1") = "9"
    & skf18("6","10","7","6","1","2","1") = "9"
    & skf18("6","10","7","6","1","3","1") = "9"
    & skf18("6","10","7","6","1","4","1") = "9"
    & skf18("6","10","7","6","1","5","1") = "9"
    & skf18("6","10","7","6","1","6","1") = "9"
    & skf18("6","10","7","6","1","7","1") = "9"
    & skf18("6","10","7","6","1","8","1") = "9"
    & skf18("6","10","7","6","1","9","1") = "9"
    & skf18("6","10","7","6","1","10","1") = "9"
    & skf18("6","10","7","6","2","1","1") = "9"
    & skf18("6","10","7","6","2","2","1") = "9"
    & skf18("6","10","7","6","2","3","1") = "9"
    & skf18("6","10","7","6","2","4","1") = "9"
    & skf18("6","10","7","6","2","5","1") = "9"
    & skf18("6","10","7","6","2","6","1") = "9"
    & skf18("6","10","7","6","2","7","1") = "9"
    & skf18("6","10","7","6","2","8","1") = "9"
    & skf18("6","10","7","6","2","9","1") = "9"
    & skf18("6","10","7","6","2","10","1") = "9"
    & skf18("6","10","7","6","3","1","1") = "9"
    & skf18("6","10","7","6","3","2","1") = "9"
    & skf18("6","10","7","6","3","3","1") = "9"
    & skf18("6","10","7","6","3","4","1") = "9"
    & skf18("6","10","7","6","3","5","1") = "9"
    & skf18("6","10","7","6","3","6","1") = "9"
    & skf18("6","10","7","6","3","7","1") = "9"
    & skf18("6","10","7","6","3","8","1") = "9"
    & skf18("6","10","7","6","3","9","1") = "9"
    & skf18("6","10","7","6","3","10","1") = "9"
    & skf18("6","10","7","6","4","1","1") = "9"
    & skf18("6","10","7","6","4","2","1") = "9"
    & skf18("6","10","7","6","4","3","1") = "9"
    & skf18("6","10","7","6","4","4","1") = "9"
    & skf18("6","10","7","6","4","5","1") = "9"
    & skf18("6","10","7","6","4","6","1") = "9"
    & skf18("6","10","7","6","4","7","1") = "9"
    & skf18("6","10","7","6","4","8","1") = "9"
    & skf18("6","10","7","6","4","9","1") = "9"
    & skf18("6","10","7","6","4","10","1") = "9"
    & skf18("6","10","7","6","5","1","1") = "9"
    & skf18("6","10","7","6","5","2","1") = "9"
    & skf18("6","10","7","6","5","3","1") = "9"
    & skf18("6","10","7","6","5","4","1") = "9"
    & skf18("6","10","7","6","5","5","1") = "9"
    & skf18("6","10","7","6","5","6","1") = "9"
    & skf18("6","10","7","6","5","7","1") = "9"
    & skf18("6","10","7","6","5","8","1") = "9"
    & skf18("6","10","7","6","5","9","1") = "9"
    & skf18("6","10","7","6","5","10","1") = "9"
    & skf18("6","10","7","6","6","1","1") = "9"
    & skf18("6","10","7","6","6","2","1") = "9"
    & skf18("6","10","7","6","6","3","1") = "9"
    & skf18("6","10","7","6","6","4","1") = "9"
    & skf18("6","10","7","6","6","5","1") = "9"
    & skf18("6","10","7","6","6","6","1") = "9"
    & skf18("6","10","7","6","6","7","1") = "9"
    & skf18("6","10","7","6","6","8","1") = "9"
    & skf18("6","10","7","6","6","9","1") = "9"
    & skf18("6","10","7","6","6","10","1") = "9"
    & skf18("6","10","7","6","7","1","1") = "9"
    & skf18("6","10","7","6","7","2","1") = "9"
    & skf18("6","10","7","6","7","3","1") = "9"
    & skf18("6","10","7","6","7","4","1") = "9"
    & skf18("6","10","7","6","7","5","1") = "9"
    & skf18("6","10","7","6","7","6","1") = "9"
    & skf18("6","10","7","6","7","7","1") = "9"
    & skf18("6","10","7","6","7","8","1") = "9"
    & skf18("6","10","7","6","7","9","1") = "9"
    & skf18("6","10","7","6","7","10","1") = "9"
    & skf18("6","10","7","6","8","1","1") = "9"
    & skf18("6","10","7","6","8","2","1") = "9"
    & skf18("6","10","7","6","8","3","1") = "9"
    & skf18("6","10","7","6","8","4","1") = "9"
    & skf18("6","10","7","6","8","5","1") = "9"
    & skf18("6","10","7","6","8","6","1") = "9"
    & skf18("6","10","7","6","8","7","1") = "9"
    & skf18("6","10","7","6","8","8","1") = "9"
    & skf18("6","10","7","6","8","9","1") = "9"
    & skf18("6","10","7","6","8","10","1") = "9"
    & skf18("6","10","7","6","9","1","1") = "9"
    & skf18("6","10","7","6","9","2","1") = "9"
    & skf18("6","10","7","6","9","3","1") = "9"
    & skf18("6","10","7","6","9","4","1") = "9"
    & skf18("6","10","7","6","9","5","1") = "9"
    & skf18("6","10","7","6","9","6","1") = "9"
    & skf18("6","10","7","6","9","7","1") = "9"
    & skf18("6","10","7","6","9","8","1") = "9"
    & skf18("6","10","7","6","9","9","1") = "9"
    & skf18("6","10","7","6","9","10","1") = "9"
    & skf18("6","10","7","6","10","1","1") = "9"
    & skf18("6","10","7","6","10","2","1") = "9"
    & skf18("6","10","7","6","10","3","1") = "9"
    & skf18("6","10","7","6","10","4","1") = "9"
    & skf18("6","10","7","6","10","5","1") = "9"
    & skf18("6","10","7","6","10","6","1") = "9"
    & skf18("6","10","7","6","10","7","1") = "9"
    & skf18("6","10","7","6","10","8","1") = "9"
    & skf18("6","10","7","6","10","9","1") = "9"
    & skf18("6","10","7","6","10","10","1") = "9"
    & skf18("6","10","7","7","1","1","1") = "9"
    & skf18("6","10","7","7","1","2","1") = "9"
    & skf18("6","10","7","7","1","3","1") = "9"
    & skf18("6","10","7","7","1","4","1") = "9"
    & skf18("6","10","7","7","1","5","1") = "9"
    & skf18("6","10","7","7","1","6","1") = "9"
    & skf18("6","10","7","7","1","7","1") = "9"
    & skf18("6","10","7","7","1","8","1") = "9"
    & skf18("6","10","7","7","1","9","1") = "9"
    & skf18("6","10","7","7","1","10","1") = "9"
    & skf18("6","10","7","7","2","1","1") = "9"
    & skf18("6","10","7","7","2","2","1") = "9"
    & skf18("6","10","7","7","2","3","1") = "9"
    & skf18("6","10","7","7","2","4","1") = "9"
    & skf18("6","10","7","7","2","5","1") = "9"
    & skf18("6","10","7","7","2","6","1") = "9"
    & skf18("6","10","7","7","2","7","1") = "9"
    & skf18("6","10","7","7","2","8","1") = "9"
    & skf18("6","10","7","7","2","9","1") = "9"
    & skf18("6","10","7","7","2","10","1") = "9"
    & skf18("6","10","7","7","3","1","1") = "9"
    & skf18("6","10","7","7","3","2","1") = "9"
    & skf18("6","10","7","7","3","3","1") = "9"
    & skf18("6","10","7","7","3","4","1") = "9"
    & skf18("6","10","7","7","3","5","1") = "9"
    & skf18("6","10","7","7","3","6","1") = "9"
    & skf18("6","10","7","7","3","7","1") = "9"
    & skf18("6","10","7","7","3","8","1") = "9"
    & skf18("6","10","7","7","3","9","1") = "9"
    & skf18("6","10","7","7","3","10","1") = "9"
    & skf18("6","10","7","7","4","1","1") = "9"
    & skf18("6","10","7","7","4","2","1") = "9"
    & skf18("6","10","7","7","4","3","1") = "9"
    & skf18("6","10","7","7","4","4","1") = "9"
    & skf18("6","10","7","7","4","5","1") = "9"
    & skf18("6","10","7","7","4","6","1") = "9"
    & skf18("6","10","7","7","4","7","1") = "9"
    & skf18("6","10","7","7","4","8","1") = "9"
    & skf18("6","10","7","7","4","9","1") = "9"
    & skf18("6","10","7","7","4","10","1") = "9"
    & skf18("6","10","7","7","5","1","1") = "9"
    & skf18("6","10","7","7","5","2","1") = "9"
    & skf18("6","10","7","7","5","3","1") = "9"
    & skf18("6","10","7","7","5","4","1") = "9"
    & skf18("6","10","7","7","5","5","1") = "9"
    & skf18("6","10","7","7","5","6","1") = "9"
    & skf18("6","10","7","7","5","7","1") = "9"
    & skf18("6","10","7","7","5","8","1") = "9"
    & skf18("6","10","7","7","5","9","1") = "9"
    & skf18("6","10","7","7","5","10","1") = "9"
    & skf18("6","10","7","7","6","1","1") = "9"
    & skf18("6","10","7","7","6","2","1") = "9"
    & skf18("6","10","7","7","6","3","1") = "9"
    & skf18("6","10","7","7","6","4","1") = "9"
    & skf18("6","10","7","7","6","5","1") = "9"
    & skf18("6","10","7","7","6","6","1") = "9"
    & skf18("6","10","7","7","6","7","1") = "9"
    & skf18("6","10","7","7","6","8","1") = "9"
    & skf18("6","10","7","7","6","9","1") = "9"
    & skf18("6","10","7","7","6","10","1") = "9"
    & skf18("6","10","7","7","7","1","1") = "9"
    & skf18("6","10","7","7","7","2","1") = "9"
    & skf18("6","10","7","7","7","3","1") = "9"
    & skf18("6","10","7","7","7","4","1") = "9"
    & skf18("6","10","7","7","7","5","1") = "9"
    & skf18("6","10","7","7","7","6","1") = "9"
    & skf18("6","10","7","7","7","7","1") = "9"
    & skf18("6","10","7","7","7","8","1") = "9"
    & skf18("6","10","7","7","7","9","1") = "9"
    & skf18("6","10","7","7","7","10","1") = "9"
    & skf18("6","10","7","7","8","1","1") = "9"
    & skf18("6","10","7","7","8","2","1") = "9"
    & skf18("6","10","7","7","8","3","1") = "9"
    & skf18("6","10","7","7","8","4","1") = "9"
    & skf18("6","10","7","7","8","5","1") = "9"
    & skf18("6","10","7","7","8","6","1") = "9"
    & skf18("6","10","7","7","8","7","1") = "9"
    & skf18("6","10","7","7","8","8","1") = "9"
    & skf18("6","10","7","7","8","9","1") = "9"
    & skf18("6","10","7","7","8","10","1") = "9"
    & skf18("6","10","7","7","9","1","1") = "9"
    & skf18("6","10","7","7","9","2","1") = "9"
    & skf18("6","10","7","7","9","3","1") = "9"
    & skf18("6","10","7","7","9","4","1") = "9"
    & skf18("6","10","7","7","9","5","1") = "9"
    & skf18("6","10","7","7","9","6","1") = "9"
    & skf18("6","10","7","7","9","7","1") = "9"
    & skf18("6","10","7","7","9","8","1") = "9"
    & skf18("6","10","7","7","9","9","1") = "9"
    & skf18("6","10","7","7","9","10","1") = "9"
    & skf18("6","10","7","7","10","1","1") = "9"
    & skf18("6","10","7","7","10","2","1") = "9"
    & skf18("6","10","7","7","10","3","1") = "9"
    & skf18("6","10","7","7","10","4","1") = "9"
    & skf18("6","10","7","7","10","5","1") = "9"
    & skf18("6","10","7","7","10","6","1") = "9"
    & skf18("6","10","7","7","10","7","1") = "9"
    & skf18("6","10","7","7","10","8","1") = "9"
    & skf18("6","10","7","7","10","9","1") = "9"
    & skf18("6","10","7","7","10","10","1") = "9"
    & skf18("6","10","7","8","1","1","1") = "9"
    & skf18("6","10","7","8","1","2","1") = "9"
    & skf18("6","10","7","8","1","3","1") = "9"
    & skf18("6","10","7","8","1","4","1") = "9"
    & skf18("6","10","7","8","1","5","1") = "9"
    & skf18("6","10","7","8","1","6","1") = "9"
    & skf18("6","10","7","8","1","7","1") = "9"
    & skf18("6","10","7","8","1","8","1") = "9"
    & skf18("6","10","7","8","1","9","1") = "9"
    & skf18("6","10","7","8","1","10","1") = "9"
    & skf18("6","10","7","8","2","1","1") = "9"
    & skf18("6","10","7","8","2","2","1") = "9"
    & skf18("6","10","7","8","2","3","1") = "9"
    & skf18("6","10","7","8","2","4","1") = "9"
    & skf18("6","10","7","8","2","5","1") = "9"
    & skf18("6","10","7","8","2","6","1") = "9"
    & skf18("6","10","7","8","2","7","1") = "9"
    & skf18("6","10","7","8","2","8","1") = "9"
    & skf18("6","10","7","8","2","9","1") = "9"
    & skf18("6","10","7","8","2","10","1") = "9"
    & skf18("6","10","7","8","3","1","1") = "9"
    & skf18("6","10","7","8","3","2","1") = "9"
    & skf18("6","10","7","8","3","3","1") = "9"
    & skf18("6","10","7","8","3","4","1") = "9"
    & skf18("6","10","7","8","3","5","1") = "9"
    & skf18("6","10","7","8","3","6","1") = "9"
    & skf18("6","10","7","8","3","7","1") = "9"
    & skf18("6","10","7","8","3","8","1") = "9"
    & skf18("6","10","7","8","3","9","1") = "9"
    & skf18("6","10","7","8","3","10","1") = "9"
    & skf18("6","10","7","8","4","1","1") = "9"
    & skf18("6","10","7","8","4","2","1") = "9"
    & skf18("6","10","7","8","4","3","1") = "9"
    & skf18("6","10","7","8","4","4","1") = "9"
    & skf18("6","10","7","8","4","5","1") = "9"
    & skf18("6","10","7","8","4","6","1") = "9"
    & skf18("6","10","7","8","4","7","1") = "9"
    & skf18("6","10","7","8","4","8","1") = "9"
    & skf18("6","10","7","8","4","9","1") = "9"
    & skf18("6","10","7","8","4","10","1") = "9"
    & skf18("6","10","7","8","5","1","1") = "9"
    & skf18("6","10","7","8","5","2","1") = "9"
    & skf18("6","10","7","8","5","3","1") = "9"
    & skf18("6","10","7","8","5","4","1") = "9"
    & skf18("6","10","7","8","5","5","1") = "9"
    & skf18("6","10","7","8","5","6","1") = "9"
    & skf18("6","10","7","8","5","7","1") = "9"
    & skf18("6","10","7","8","5","8","1") = "9"
    & skf18("6","10","7","8","5","9","1") = "9"
    & skf18("6","10","7","8","5","10","1") = "9"
    & skf18("6","10","7","8","6","1","1") = "9"
    & skf18("6","10","7","8","6","2","1") = "9"
    & skf18("6","10","7","8","6","3","1") = "9"
    & skf18("6","10","7","8","6","4","1") = "9"
    & skf18("6","10","7","8","6","5","1") = "9"
    & skf18("6","10","7","8","6","6","1") = "9"
    & skf18("6","10","7","8","6","7","1") = "9"
    & skf18("6","10","7","8","6","8","1") = "9"
    & skf18("6","10","7","8","6","9","1") = "9"
    & skf18("6","10","7","8","6","10","1") = "9"
    & skf18("6","10","7","8","7","1","1") = "9"
    & skf18("6","10","7","8","7","2","1") = "9"
    & skf18("6","10","7","8","7","3","1") = "9"
    & skf18("6","10","7","8","7","4","1") = "9"
    & skf18("6","10","7","8","7","5","1") = "9"
    & skf18("6","10","7","8","7","6","1") = "9"
    & skf18("6","10","7","8","7","7","1") = "9"
    & skf18("6","10","7","8","7","8","1") = "9"
    & skf18("6","10","7","8","7","9","1") = "9"
    & skf18("6","10","7","8","7","10","1") = "9"
    & skf18("6","10","7","8","8","1","1") = "9"
    & skf18("6","10","7","8","8","2","1") = "9"
    & skf18("6","10","7","8","8","3","1") = "9"
    & skf18("6","10","7","8","8","4","1") = "9"
    & skf18("6","10","7","8","8","5","1") = "9"
    & skf18("6","10","7","8","8","6","1") = "9"
    & skf18("6","10","7","8","8","7","1") = "9"
    & skf18("6","10","7","8","8","8","1") = "9"
    & skf18("6","10","7","8","8","9","1") = "9"
    & skf18("6","10","7","8","8","10","1") = "9"
    & skf18("6","10","7","8","9","1","1") = "9"
    & skf18("6","10","7","8","9","2","1") = "9"
    & skf18("6","10","7","8","9","3","1") = "9"
    & skf18("6","10","7","8","9","4","1") = "9"
    & skf18("6","10","7","8","9","5","1") = "9"
    & skf18("6","10","7","8","9","6","1") = "9"
    & skf18("6","10","7","8","9","7","1") = "9"
    & skf18("6","10","7","8","9","8","1") = "9"
    & skf18("6","10","7","8","9","9","1") = "9"
    & skf18("6","10","7","8","9","10","1") = "9"
    & skf18("6","10","7","8","10","1","1") = "9"
    & skf18("6","10","7","8","10","2","1") = "9"
    & skf18("6","10","7","8","10","3","1") = "9"
    & skf18("6","10","7","8","10","4","1") = "9"
    & skf18("6","10","7","8","10","5","1") = "9"
    & skf18("6","10","7","8","10","6","1") = "9"
    & skf18("6","10","7","8","10","7","1") = "9"
    & skf18("6","10","7","8","10","8","1") = "9"
    & skf18("6","10","7","8","10","9","1") = "9"
    & skf18("6","10","7","8","10","10","1") = "9"
    & skf18("6","10","7","9","1","1","1") = "9"
    & skf18("6","10","7","9","1","2","1") = "9"
    & skf18("6","10","7","9","1","3","1") = "9"
    & skf18("6","10","7","9","1","4","1") = "9"
    & skf18("6","10","7","9","1","5","1") = "9"
    & skf18("6","10","7","9","1","6","1") = "9"
    & skf18("6","10","7","9","1","7","1") = "9"
    & skf18("6","10","7","9","1","8","1") = "9"
    & skf18("6","10","7","9","1","9","1") = "9"
    & skf18("6","10","7","9","1","10","1") = "9"
    & skf18("6","10","7","9","2","1","1") = "9"
    & skf18("6","10","7","9","2","2","1") = "9"
    & skf18("6","10","7","9","2","3","1") = "9"
    & skf18("6","10","7","9","2","4","1") = "9"
    & skf18("6","10","7","9","2","5","1") = "9"
    & skf18("6","10","7","9","2","6","1") = "9"
    & skf18("6","10","7","9","2","7","1") = "9"
    & skf18("6","10","7","9","2","8","1") = "9"
    & skf18("6","10","7","9","2","9","1") = "9"
    & skf18("6","10","7","9","2","10","1") = "9"
    & skf18("6","10","7","9","3","1","1") = "9"
    & skf18("6","10","7","9","3","2","1") = "9"
    & skf18("6","10","7","9","3","3","1") = "9"
    & skf18("6","10","7","9","3","4","1") = "9"
    & skf18("6","10","7","9","3","5","1") = "9"
    & skf18("6","10","7","9","3","6","1") = "9"
    & skf18("6","10","7","9","3","7","1") = "9"
    & skf18("6","10","7","9","3","8","1") = "9"
    & skf18("6","10","7","9","3","9","1") = "9"
    & skf18("6","10","7","9","3","10","1") = "9"
    & skf18("6","10","7","9","4","1","1") = "9"
    & skf18("6","10","7","9","4","2","1") = "9"
    & skf18("6","10","7","9","4","3","1") = "9"
    & skf18("6","10","7","9","4","4","1") = "9"
    & skf18("6","10","7","9","4","5","1") = "9"
    & skf18("6","10","7","9","4","6","1") = "9"
    & skf18("6","10","7","9","4","7","1") = "9"
    & skf18("6","10","7","9","4","8","1") = "9"
    & skf18("6","10","7","9","4","9","1") = "9"
    & skf18("6","10","7","9","4","10","1") = "9"
    & skf18("6","10","7","9","5","1","1") = "9"
    & skf18("6","10","7","9","5","2","1") = "9"
    & skf18("6","10","7","9","5","3","1") = "9"
    & skf18("6","10","7","9","5","4","1") = "9"
    & skf18("6","10","7","9","5","5","1") = "9"
    & skf18("6","10","7","9","5","6","1") = "9"
    & skf18("6","10","7","9","5","7","1") = "9"
    & skf18("6","10","7","9","5","8","1") = "9"
    & skf18("6","10","7","9","5","9","1") = "9"
    & skf18("6","10","7","9","5","10","1") = "9"
    & skf18("6","10","7","9","6","1","1") = "9"
    & skf18("6","10","7","9","6","2","1") = "9"
    & skf18("6","10","7","9","6","3","1") = "9"
    & skf18("6","10","7","9","6","4","1") = "9"
    & skf18("6","10","7","9","6","5","1") = "9"
    & skf18("6","10","7","9","6","6","1") = "9"
    & skf18("6","10","7","9","6","7","1") = "9"
    & skf18("6","10","7","9","6","8","1") = "9"
    & skf18("6","10","7","9","6","9","1") = "9"
    & skf18("6","10","7","9","6","10","1") = "9"
    & skf18("6","10","7","9","7","1","1") = "9"
    & skf18("6","10","7","9","7","2","1") = "9"
    & skf18("6","10","7","9","7","3","1") = "9"
    & skf18("6","10","7","9","7","4","1") = "9"
    & skf18("6","10","7","9","7","5","1") = "9"
    & skf18("6","10","7","9","7","6","1") = "9"
    & skf18("6","10","7","9","7","7","1") = "9"
    & skf18("6","10","7","9","7","8","1") = "9"
    & skf18("6","10","7","9","7","9","1") = "9"
    & skf18("6","10","7","9","7","10","1") = "9"
    & skf18("6","10","7","9","8","1","1") = "9"
    & skf18("6","10","7","9","8","2","1") = "9"
    & skf18("6","10","7","9","8","3","1") = "9"
    & skf18("6","10","7","9","8","4","1") = "9"
    & skf18("6","10","7","9","8","5","1") = "9"
    & skf18("6","10","7","9","8","6","1") = "9"
    & skf18("6","10","7","9","8","7","1") = "9"
    & skf18("6","10","7","9","8","8","1") = "9"
    & skf18("6","10","7","9","8","9","1") = "9"
    & skf18("6","10","7","9","8","10","1") = "9"
    & skf18("6","10","7","9","9","1","1") = "9"
    & skf18("6","10","7","9","9","2","1") = "9"
    & skf18("6","10","7","9","9","3","1") = "9"
    & skf18("6","10","7","9","9","4","1") = "9"
    & skf18("6","10","7","9","9","5","1") = "9"
    & skf18("6","10","7","9","9","6","1") = "9"
    & skf18("6","10","7","9","9","7","1") = "9"
    & skf18("6","10","7","9","9","8","1") = "9"
    & skf18("6","10","7","9","9","9","1") = "9"
    & skf18("6","10","7","9","9","10","1") = "9"
    & skf18("6","10","7","9","10","1","1") = "9"
    & skf18("6","10","7","9","10","2","1") = "9"
    & skf18("6","10","7","9","10","3","1") = "9"
    & skf18("6","10","7","9","10","4","1") = "9"
    & skf18("6","10","7","9","10","5","1") = "9"
    & skf18("6","10","7","9","10","6","1") = "9"
    & skf18("6","10","7","9","10","7","1") = "9"
    & skf18("6","10","7","9","10","8","1") = "9"
    & skf18("6","10","7","9","10","9","1") = "9"
    & skf18("6","10","7","9","10","10","1") = "9"
    & skf18("6","10","7","10","1","1","1") = "9"
    & skf18("6","10","7","10","1","2","1") = "9"
    & skf18("6","10","7","10","1","3","1") = "9"
    & skf18("6","10","7","10","1","4","1") = "9"
    & skf18("6","10","7","10","1","5","1") = "9"
    & skf18("6","10","7","10","1","6","1") = "9"
    & skf18("6","10","7","10","1","7","1") = "9"
    & skf18("6","10","7","10","1","8","1") = "9"
    & skf18("6","10","7","10","1","9","1") = "9"
    & skf18("6","10","7","10","1","10","1") = "9"
    & skf18("6","10","7","10","2","1","1") = "9"
    & skf18("6","10","7","10","2","2","1") = "9"
    & skf18("6","10","7","10","2","3","1") = "9"
    & skf18("6","10","7","10","2","4","1") = "9"
    & skf18("6","10","7","10","2","5","1") = "9"
    & skf18("6","10","7","10","2","6","1") = "9"
    & skf18("6","10","7","10","2","7","1") = "9"
    & skf18("6","10","7","10","2","8","1") = "9"
    & skf18("6","10","7","10","2","9","1") = "9"
    & skf18("6","10","7","10","2","10","1") = "9"
    & skf18("6","10","7","10","3","1","1") = "9"
    & skf18("6","10","7","10","3","2","1") = "9"
    & skf18("6","10","7","10","3","3","1") = "9"
    & skf18("6","10","7","10","3","4","1") = "9"
    & skf18("6","10","7","10","3","5","1") = "9"
    & skf18("6","10","7","10","3","6","1") = "9"
    & skf18("6","10","7","10","3","7","1") = "9"
    & skf18("6","10","7","10","3","8","1") = "9"
    & skf18("6","10","7","10","3","9","1") = "9"
    & skf18("6","10","7","10","3","10","1") = "9"
    & skf18("6","10","7","10","4","1","1") = "9"
    & skf18("6","10","7","10","4","2","1") = "9"
    & skf18("6","10","7","10","4","3","1") = "9"
    & skf18("6","10","7","10","4","4","1") = "9"
    & skf18("6","10","7","10","4","5","1") = "9"
    & skf18("6","10","7","10","4","6","1") = "9"
    & skf18("6","10","7","10","4","7","1") = "9"
    & skf18("6","10","7","10","4","8","1") = "9"
    & skf18("6","10","7","10","4","9","1") = "9"
    & skf18("6","10","7","10","4","10","1") = "9"
    & skf18("6","10","7","10","5","1","1") = "9"
    & skf18("6","10","7","10","5","2","1") = "9"
    & skf18("6","10","7","10","5","3","1") = "9"
    & skf18("6","10","7","10","5","4","1") = "9"
    & skf18("6","10","7","10","5","5","1") = "9"
    & skf18("6","10","7","10","5","6","1") = "9"
    & skf18("6","10","7","10","5","7","1") = "9"
    & skf18("6","10","7","10","5","8","1") = "9"
    & skf18("6","10","7","10","5","9","1") = "9"
    & skf18("6","10","7","10","5","10","1") = "9"
    & skf18("6","10","7","10","6","1","1") = "9"
    & skf18("6","10","7","10","6","2","1") = "9"
    & skf18("6","10","7","10","6","3","1") = "9"
    & skf18("6","10","7","10","6","4","1") = "9"
    & skf18("6","10","7","10","6","5","1") = "9"
    & skf18("6","10","7","10","6","6","1") = "9"
    & skf18("6","10","7","10","6","7","1") = "9"
    & skf18("6","10","7","10","6","8","1") = "9"
    & skf18("6","10","7","10","6","9","1") = "9"
    & skf18("6","10","7","10","6","10","1") = "9"
    & skf18("6","10","7","10","7","1","1") = "9"
    & skf18("6","10","7","10","7","2","1") = "9"
    & skf18("6","10","7","10","7","3","1") = "9"
    & skf18("6","10","7","10","7","4","1") = "9"
    & skf18("6","10","7","10","7","5","1") = "9"
    & skf18("6","10","7","10","7","6","1") = "9"
    & skf18("6","10","7","10","7","7","1") = "9"
    & skf18("6","10","7","10","7","8","1") = "9"
    & skf18("6","10","7","10","7","9","1") = "9"
    & skf18("6","10","7","10","7","10","1") = "9"
    & skf18("6","10","7","10","8","1","1") = "9"
    & skf18("6","10","7","10","8","2","1") = "9"
    & skf18("6","10","7","10","8","3","1") = "9"
    & skf18("6","10","7","10","8","4","1") = "9"
    & skf18("6","10","7","10","8","5","1") = "9"
    & skf18("6","10","7","10","8","6","1") = "9"
    & skf18("6","10","7","10","8","7","1") = "9"
    & skf18("6","10","7","10","8","8","1") = "9"
    & skf18("6","10","7","10","8","9","1") = "9"
    & skf18("6","10","7","10","8","10","1") = "9"
    & skf18("6","10","7","10","9","1","1") = "9"
    & skf18("6","10","7","10","9","2","1") = "9"
    & skf18("6","10","7","10","9","3","1") = "9"
    & skf18("6","10","7","10","9","4","1") = "9"
    & skf18("6","10","7","10","9","5","1") = "9"
    & skf18("6","10","7","10","9","6","1") = "9"
    & skf18("6","10","7","10","9","7","1") = "9"
    & skf18("6","10","7","10","9","8","1") = "9"
    & skf18("6","10","7","10","9","9","1") = "9"
    & skf18("6","10","7","10","9","10","1") = "9"
    & skf18("6","10","7","10","10","1","1") = "9"
    & skf18("6","10","7","10","10","2","1") = "9"
    & skf18("6","10","7","10","10","3","1") = "9"
    & skf18("6","10","7","10","10","4","1") = "9"
    & skf18("6","10","7","10","10","5","1") = "9"
    & skf18("6","10","7","10","10","6","1") = "9"
    & skf18("6","10","7","10","10","7","1") = "9"
    & skf18("6","10","7","10","10","8","1") = "9"
    & skf18("6","10","7","10","10","9","1") = "9"
    & skf18("6","10","7","10","10","10","1") = "9"
    & skf18("6","10","8","1","1","1","1") = "9"
    & skf18("6","10","8","1","1","2","1") = "9"
    & skf18("6","10","8","1","1","3","1") = "9"
    & skf18("6","10","8","1","1","4","1") = "9"
    & skf18("6","10","8","1","1","5","1") = "9"
    & skf18("6","10","8","1","1","6","1") = "9"
    & skf18("6","10","8","1","1","7","1") = "9"
    & skf18("6","10","8","1","1","8","1") = "9"
    & skf18("6","10","8","1","1","9","1") = "9"
    & skf18("6","10","8","1","1","10","1") = "9"
    & skf18("6","10","8","1","2","1","1") = "9"
    & skf18("6","10","8","1","2","2","1") = "9"
    & skf18("6","10","8","1","2","3","1") = "9"
    & skf18("6","10","8","1","2","4","1") = "9"
    & skf18("6","10","8","1","2","5","1") = "9"
    & skf18("6","10","8","1","2","6","1") = "9"
    & skf18("6","10","8","1","2","7","1") = "9"
    & skf18("6","10","8","1","2","8","1") = "9"
    & skf18("6","10","8","1","2","9","1") = "9"
    & skf18("6","10","8","1","2","10","1") = "9"
    & skf18("6","10","8","1","3","1","1") = "9"
    & skf18("6","10","8","1","3","2","1") = "9"
    & skf18("6","10","8","1","3","3","1") = "9"
    & skf18("6","10","8","1","3","4","1") = "9"
    & skf18("6","10","8","1","3","5","1") = "9"
    & skf18("6","10","8","1","3","6","1") = "9"
    & skf18("6","10","8","1","3","7","1") = "9"
    & skf18("6","10","8","1","3","8","1") = "9"
    & skf18("6","10","8","1","3","9","1") = "9"
    & skf18("6","10","8","1","3","10","1") = "9"
    & skf18("6","10","8","1","4","1","1") = "9"
    & skf18("6","10","8","1","4","2","1") = "9"
    & skf18("6","10","8","1","4","3","1") = "9"
    & skf18("6","10","8","1","4","4","1") = "9"
    & skf18("6","10","8","1","4","5","1") = "9"
    & skf18("6","10","8","1","4","6","1") = "9"
    & skf18("6","10","8","1","4","7","1") = "9"
    & skf18("6","10","8","1","4","8","1") = "9"
    & skf18("6","10","8","1","4","9","1") = "9"
    & skf18("6","10","8","1","4","10","1") = "9"
    & skf18("6","10","8","1","5","1","1") = "9"
    & skf18("6","10","8","1","5","2","1") = "9"
    & skf18("6","10","8","1","5","3","1") = "9"
    & skf18("6","10","8","1","5","4","1") = "9"
    & skf18("6","10","8","1","5","5","1") = "9"
    & skf18("6","10","8","1","5","6","1") = "9"
    & skf18("6","10","8","1","5","7","1") = "9"
    & skf18("6","10","8","1","5","8","1") = "9"
    & skf18("6","10","8","1","5","9","1") = "9"
    & skf18("6","10","8","1","5","10","1") = "9"
    & skf18("6","10","8","1","6","1","1") = "9"
    & skf18("6","10","8","1","6","2","1") = "9"
    & skf18("6","10","8","1","6","3","1") = "9"
    & skf18("6","10","8","1","6","4","1") = "9"
    & skf18("6","10","8","1","6","5","1") = "9"
    & skf18("6","10","8","1","6","6","1") = "9"
    & skf18("6","10","8","1","6","7","1") = "9"
    & skf18("6","10","8","1","6","8","1") = "9"
    & skf18("6","10","8","1","6","9","1") = "9"
    & skf18("6","10","8","1","6","10","1") = "9"
    & skf18("6","10","8","1","7","1","1") = "9"
    & skf18("6","10","8","1","7","2","1") = "9"
    & skf18("6","10","8","1","7","3","1") = "9"
    & skf18("6","10","8","1","7","4","1") = "9"
    & skf18("6","10","8","1","7","5","1") = "9"
    & skf18("6","10","8","1","7","6","1") = "9"
    & skf18("6","10","8","1","7","7","1") = "9"
    & skf18("6","10","8","1","7","8","1") = "9"
    & skf18("6","10","8","1","7","9","1") = "9"
    & skf18("6","10","8","1","7","10","1") = "9"
    & skf18("6","10","8","1","8","1","1") = "9"
    & skf18("6","10","8","1","8","2","1") = "9"
    & skf18("6","10","8","1","8","3","1") = "9"
    & skf18("6","10","8","1","8","4","1") = "9"
    & skf18("6","10","8","1","8","5","1") = "9"
    & skf18("6","10","8","1","8","6","1") = "9"
    & skf18("6","10","8","1","8","7","1") = "9"
    & skf18("6","10","8","1","8","8","1") = "9"
    & skf18("6","10","8","1","8","9","1") = "9"
    & skf18("6","10","8","1","8","10","1") = "9"
    & skf18("6","10","8","1","9","1","1") = "9"
    & skf18("6","10","8","1","9","2","1") = "9"
    & skf18("6","10","8","1","9","3","1") = "9"
    & skf18("6","10","8","1","9","4","1") = "9"
    & skf18("6","10","8","1","9","5","1") = "9"
    & skf18("6","10","8","1","9","6","1") = "9"
    & skf18("6","10","8","1","9","7","1") = "9"
    & skf18("6","10","8","1","9","8","1") = "9"
    & skf18("6","10","8","1","9","9","1") = "9"
    & skf18("6","10","8","1","9","10","1") = "9"
    & skf18("6","10","8","1","10","1","1") = "9"
    & skf18("6","10","8","1","10","2","1") = "9"
    & skf18("6","10","8","1","10","3","1") = "9"
    & skf18("6","10","8","1","10","4","1") = "9"
    & skf18("6","10","8","1","10","5","1") = "9"
    & skf18("6","10","8","1","10","6","1") = "9"
    & skf18("6","10","8","1","10","7","1") = "9"
    & skf18("6","10","8","1","10","8","1") = "9"
    & skf18("6","10","8","1","10","9","1") = "9"
    & skf18("6","10","8","1","10","10","1") = "9"
    & skf18("6","10","8","2","1","1","1") = "9"
    & skf18("6","10","8","2","1","2","1") = "9"
    & skf18("6","10","8","2","1","3","1") = "9"
    & skf18("6","10","8","2","1","4","1") = "9"
    & skf18("6","10","8","2","1","5","1") = "9"
    & skf18("6","10","8","2","1","6","1") = "9"
    & skf18("6","10","8","2","1","7","1") = "9"
    & skf18("6","10","8","2","1","8","1") = "9"
    & skf18("6","10","8","2","1","9","1") = "9"
    & skf18("6","10","8","2","1","10","1") = "9"
    & skf18("6","10","8","2","2","1","1") = "9"
    & skf18("6","10","8","2","2","2","1") = "9"
    & skf18("6","10","8","2","2","3","1") = "9"
    & skf18("6","10","8","2","2","4","1") = "9"
    & skf18("6","10","8","2","2","5","1") = "9"
    & skf18("6","10","8","2","2","6","1") = "9"
    & skf18("6","10","8","2","2","7","1") = "9"
    & skf18("6","10","8","2","2","8","1") = "9"
    & skf18("6","10","8","2","2","9","1") = "9"
    & skf18("6","10","8","2","2","10","1") = "9"
    & skf18("6","10","8","2","3","1","1") = "9"
    & skf18("6","10","8","2","3","2","1") = "9"
    & skf18("6","10","8","2","3","3","1") = "9"
    & skf18("6","10","8","2","3","4","1") = "9"
    & skf18("6","10","8","2","3","5","1") = "9"
    & skf18("6","10","8","2","3","6","1") = "9"
    & skf18("6","10","8","2","3","7","1") = "9"
    & skf18("6","10","8","2","3","8","1") = "9"
    & skf18("6","10","8","2","3","9","1") = "9"
    & skf18("6","10","8","2","3","10","1") = "9"
    & skf18("6","10","8","2","4","1","1") = "9"
    & skf18("6","10","8","2","4","2","1") = "9"
    & skf18("6","10","8","2","4","3","1") = "9"
    & skf18("6","10","8","2","4","4","1") = "9"
    & skf18("6","10","8","2","4","5","1") = "9"
    & skf18("6","10","8","2","4","6","1") = "9"
    & skf18("6","10","8","2","4","7","1") = "9"
    & skf18("6","10","8","2","4","8","1") = "9"
    & skf18("6","10","8","2","4","9","1") = "9"
    & skf18("6","10","8","2","4","10","1") = "9"
    & skf18("6","10","8","2","5","1","1") = "9"
    & skf18("6","10","8","2","5","2","1") = "9"
    & skf18("6","10","8","2","5","3","1") = "9"
    & skf18("6","10","8","2","5","4","1") = "9"
    & skf18("6","10","8","2","5","5","1") = "9"
    & skf18("6","10","8","2","5","6","1") = "9"
    & skf18("6","10","8","2","5","7","1") = "9"
    & skf18("6","10","8","2","5","8","1") = "9"
    & skf18("6","10","8","2","5","9","1") = "9"
    & skf18("6","10","8","2","5","10","1") = "9"
    & skf18("6","10","8","2","6","1","1") = "9"
    & skf18("6","10","8","2","6","2","1") = "9"
    & skf18("6","10","8","2","6","3","1") = "9"
    & skf18("6","10","8","2","6","4","1") = "9"
    & skf18("6","10","8","2","6","5","1") = "9"
    & skf18("6","10","8","2","6","6","1") = "9"
    & skf18("6","10","8","2","6","7","1") = "9"
    & skf18("6","10","8","2","6","8","1") = "9"
    & skf18("6","10","8","2","6","9","1") = "9"
    & skf18("6","10","8","2","6","10","1") = "9"
    & skf18("6","10","8","2","7","1","1") = "9"
    & skf18("6","10","8","2","7","2","1") = "9"
    & skf18("6","10","8","2","7","3","1") = "9"
    & skf18("6","10","8","2","7","4","1") = "9"
    & skf18("6","10","8","2","7","5","1") = "9"
    & skf18("6","10","8","2","7","6","1") = "9"
    & skf18("6","10","8","2","7","7","1") = "9"
    & skf18("6","10","8","2","7","8","1") = "9"
    & skf18("6","10","8","2","7","9","1") = "9"
    & skf18("6","10","8","2","7","10","1") = "9"
    & skf18("6","10","8","2","8","1","1") = "9"
    & skf18("6","10","8","2","8","2","1") = "9"
    & skf18("6","10","8","2","8","3","1") = "9"
    & skf18("6","10","8","2","8","4","1") = "9"
    & skf18("6","10","8","2","8","5","1") = "9"
    & skf18("6","10","8","2","8","6","1") = "9"
    & skf18("6","10","8","2","8","7","1") = "9"
    & skf18("6","10","8","2","8","8","1") = "9"
    & skf18("6","10","8","2","8","9","1") = "9"
    & skf18("6","10","8","2","8","10","1") = "9"
    & skf18("6","10","8","2","9","1","1") = "9"
    & skf18("6","10","8","2","9","2","1") = "9"
    & skf18("6","10","8","2","9","3","1") = "9"
    & skf18("6","10","8","2","9","4","1") = "9"
    & skf18("6","10","8","2","9","5","1") = "9"
    & skf18("6","10","8","2","9","6","1") = "9"
    & skf18("6","10","8","2","9","7","1") = "9"
    & skf18("6","10","8","2","9","8","1") = "9"
    & skf18("6","10","8","2","9","9","1") = "9"
    & skf18("6","10","8","2","9","10","1") = "9"
    & skf18("6","10","8","2","10","1","1") = "9"
    & skf18("6","10","8","2","10","2","1") = "9"
    & skf18("6","10","8","2","10","3","1") = "9"
    & skf18("6","10","8","2","10","4","1") = "9"
    & skf18("6","10","8","2","10","5","1") = "9"
    & skf18("6","10","8","2","10","6","1") = "9"
    & skf18("6","10","8","2","10","7","1") = "9"
    & skf18("6","10","8","2","10","8","1") = "9"
    & skf18("6","10","8","2","10","9","1") = "9"
    & skf18("6","10","8","2","10","10","1") = "9"
    & skf18("6","10","8","3","1","1","1") = "9"
    & skf18("6","10","8","3","1","2","1") = "9"
    & skf18("6","10","8","3","1","3","1") = "9"
    & skf18("6","10","8","3","1","4","1") = "9"
    & skf18("6","10","8","3","1","5","1") = "9"
    & skf18("6","10","8","3","1","6","1") = "9"
    & skf18("6","10","8","3","1","7","1") = "9"
    & skf18("6","10","8","3","1","8","1") = "9"
    & skf18("6","10","8","3","1","9","1") = "9"
    & skf18("6","10","8","3","1","10","1") = "9"
    & skf18("6","10","8","3","2","1","1") = "9"
    & skf18("6","10","8","3","2","2","1") = "9"
    & skf18("6","10","8","3","2","3","1") = "9"
    & skf18("6","10","8","3","2","4","1") = "9"
    & skf18("6","10","8","3","2","5","1") = "9"
    & skf18("6","10","8","3","2","6","1") = "9"
    & skf18("6","10","8","3","2","7","1") = "9"
    & skf18("6","10","8","3","2","8","1") = "9"
    & skf18("6","10","8","3","2","9","1") = "9"
    & skf18("6","10","8","3","2","10","1") = "9"
    & skf18("6","10","8","3","3","1","1") = "9"
    & skf18("6","10","8","3","3","2","1") = "9"
    & skf18("6","10","8","3","3","3","1") = "9"
    & skf18("6","10","8","3","3","4","1") = "9"
    & skf18("6","10","8","3","3","5","1") = "9"
    & skf18("6","10","8","3","3","6","1") = "9"
    & skf18("6","10","8","3","3","7","1") = "9"
    & skf18("6","10","8","3","3","8","1") = "9"
    & skf18("6","10","8","3","3","9","1") = "9"
    & skf18("6","10","8","3","3","10","1") = "9"
    & skf18("6","10","8","3","4","1","1") = "9"
    & skf18("6","10","8","3","4","2","1") = "9"
    & skf18("6","10","8","3","4","3","1") = "9"
    & skf18("6","10","8","3","4","4","1") = "9"
    & skf18("6","10","8","3","4","5","1") = "9"
    & skf18("6","10","8","3","4","6","1") = "9"
    & skf18("6","10","8","3","4","7","1") = "9"
    & skf18("6","10","8","3","4","8","1") = "9"
    & skf18("6","10","8","3","4","9","1") = "9"
    & skf18("6","10","8","3","4","10","1") = "9"
    & skf18("6","10","8","3","5","1","1") = "9"
    & skf18("6","10","8","3","5","2","1") = "9"
    & skf18("6","10","8","3","5","3","1") = "9"
    & skf18("6","10","8","3","5","4","1") = "9"
    & skf18("6","10","8","3","5","5","1") = "9"
    & skf18("6","10","8","3","5","6","1") = "9"
    & skf18("6","10","8","3","5","7","1") = "9"
    & skf18("6","10","8","3","5","8","1") = "9"
    & skf18("6","10","8","3","5","9","1") = "9"
    & skf18("6","10","8","3","5","10","1") = "9"
    & skf18("6","10","8","3","6","1","1") = "9"
    & skf18("6","10","8","3","6","2","1") = "9"
    & skf18("6","10","8","3","6","3","1") = "9"
    & skf18("6","10","8","3","6","4","1") = "9"
    & skf18("6","10","8","3","6","5","1") = "9"
    & skf18("6","10","8","3","6","6","1") = "9"
    & skf18("6","10","8","3","6","7","1") = "9"
    & skf18("6","10","8","3","6","8","1") = "9"
    & skf18("6","10","8","3","6","9","1") = "9"
    & skf18("6","10","8","3","6","10","1") = "9"
    & skf18("6","10","8","3","7","1","1") = "9"
    & skf18("6","10","8","3","7","2","1") = "9"
    & skf18("6","10","8","3","7","3","1") = "9"
    & skf18("6","10","8","3","7","4","1") = "9"
    & skf18("6","10","8","3","7","5","1") = "9"
    & skf18("6","10","8","3","7","6","1") = "9"
    & skf18("6","10","8","3","7","7","1") = "9"
    & skf18("6","10","8","3","7","8","1") = "9"
    & skf18("6","10","8","3","7","9","1") = "9"
    & skf18("6","10","8","3","7","10","1") = "9"
    & skf18("6","10","8","3","8","1","1") = "9"
    & skf18("6","10","8","3","8","2","1") = "9"
    & skf18("6","10","8","3","8","3","1") = "9"
    & skf18("6","10","8","3","8","4","1") = "9"
    & skf18("6","10","8","3","8","5","1") = "9"
    & skf18("6","10","8","3","8","6","1") = "9"
    & skf18("6","10","8","3","8","7","1") = "9"
    & skf18("6","10","8","3","8","8","1") = "9"
    & skf18("6","10","8","3","8","9","1") = "9"
    & skf18("6","10","8","3","8","10","1") = "9"
    & skf18("6","10","8","3","9","1","1") = "9"
    & skf18("6","10","8","3","9","2","1") = "9"
    & skf18("6","10","8","3","9","3","1") = "9"
    & skf18("6","10","8","3","9","4","1") = "9"
    & skf18("6","10","8","3","9","5","1") = "9"
    & skf18("6","10","8","3","9","6","1") = "9"
    & skf18("6","10","8","3","9","7","1") = "9"
    & skf18("6","10","8","3","9","8","1") = "9"
    & skf18("6","10","8","3","9","9","1") = "9"
    & skf18("6","10","8","3","9","10","1") = "9"
    & skf18("6","10","8","3","10","1","1") = "9"
    & skf18("6","10","8","3","10","2","1") = "9"
    & skf18("6","10","8","3","10","3","1") = "9"
    & skf18("6","10","8","3","10","4","1") = "9"
    & skf18("6","10","8","3","10","5","1") = "9"
    & skf18("6","10","8","3","10","6","1") = "9"
    & skf18("6","10","8","3","10","7","1") = "9"
    & skf18("6","10","8","3","10","8","1") = "9"
    & skf18("6","10","8","3","10","9","1") = "9"
    & skf18("6","10","8","3","10","10","1") = "9"
    & skf18("6","10","8","4","1","1","1") = "9"
    & skf18("6","10","8","4","1","2","1") = "9"
    & skf18("6","10","8","4","1","3","1") = "9"
    & skf18("6","10","8","4","1","4","1") = "9"
    & skf18("6","10","8","4","1","5","1") = "9"
    & skf18("6","10","8","4","1","6","1") = "9"
    & skf18("6","10","8","4","1","7","1") = "9"
    & skf18("6","10","8","4","1","8","1") = "9"
    & skf18("6","10","8","4","1","9","1") = "9"
    & skf18("6","10","8","4","1","10","1") = "9"
    & skf18("6","10","8","4","2","1","1") = "9"
    & skf18("6","10","8","4","2","2","1") = "9"
    & skf18("6","10","8","4","2","3","1") = "9"
    & skf18("6","10","8","4","2","4","1") = "9"
    & skf18("6","10","8","4","2","5","1") = "9"
    & skf18("6","10","8","4","2","6","1") = "9"
    & skf18("6","10","8","4","2","7","1") = "9"
    & skf18("6","10","8","4","2","8","1") = "9"
    & skf18("6","10","8","4","2","9","1") = "9"
    & skf18("6","10","8","4","2","10","1") = "9"
    & skf18("6","10","8","4","3","1","1") = "9"
    & skf18("6","10","8","4","3","2","1") = "9"
    & skf18("6","10","8","4","3","3","1") = "9"
    & skf18("6","10","8","4","3","4","1") = "9"
    & skf18("6","10","8","4","3","5","1") = "9"
    & skf18("6","10","8","4","3","6","1") = "9"
    & skf18("6","10","8","4","3","7","1") = "9"
    & skf18("6","10","8","4","3","8","1") = "9"
    & skf18("6","10","8","4","3","9","1") = "9"
    & skf18("6","10","8","4","3","10","1") = "9"
    & skf18("6","10","8","4","4","1","1") = "9"
    & skf18("6","10","8","4","4","2","1") = "9"
    & skf18("6","10","8","4","4","3","1") = "9"
    & skf18("6","10","8","4","4","4","1") = "9"
    & skf18("6","10","8","4","4","5","1") = "9"
    & skf18("6","10","8","4","4","6","1") = "9"
    & skf18("6","10","8","4","4","7","1") = "9"
    & skf18("6","10","8","4","4","8","1") = "9"
    & skf18("6","10","8","4","4","9","1") = "9"
    & skf18("6","10","8","4","4","10","1") = "9"
    & skf18("6","10","8","4","5","1","1") = "9"
    & skf18("6","10","8","4","5","2","1") = "9"
    & skf18("6","10","8","4","5","3","1") = "9"
    & skf18("6","10","8","4","5","4","1") = "9"
    & skf18("6","10","8","4","5","5","1") = "9"
    & skf18("6","10","8","4","5","6","1") = "9"
    & skf18("6","10","8","4","5","7","1") = "9"
    & skf18("6","10","8","4","5","8","1") = "9"
    & skf18("6","10","8","4","5","9","1") = "9"
    & skf18("6","10","8","4","5","10","1") = "9"
    & skf18("6","10","8","4","6","1","1") = "9"
    & skf18("6","10","8","4","6","2","1") = "9"
    & skf18("6","10","8","4","6","3","1") = "9"
    & skf18("6","10","8","4","6","4","1") = "9"
    & skf18("6","10","8","4","6","5","1") = "9"
    & skf18("6","10","8","4","6","6","1") = "9"
    & skf18("6","10","8","4","6","7","1") = "9"
    & skf18("6","10","8","4","6","8","1") = "9"
    & skf18("6","10","8","4","6","9","1") = "9"
    & skf18("6","10","8","4","6","10","1") = "9"
    & skf18("6","10","8","4","7","1","1") = "9"
    & skf18("6","10","8","4","7","2","1") = "9"
    & skf18("6","10","8","4","7","3","1") = "9"
    & skf18("6","10","8","4","7","4","1") = "9"
    & skf18("6","10","8","4","7","5","1") = "9"
    & skf18("6","10","8","4","7","6","1") = "9"
    & skf18("6","10","8","4","7","7","1") = "9"
    & skf18("6","10","8","4","7","8","1") = "9"
    & skf18("6","10","8","4","7","9","1") = "9"
    & skf18("6","10","8","4","7","10","1") = "9"
    & skf18("6","10","8","4","8","1","1") = "9"
    & skf18("6","10","8","4","8","2","1") = "9"
    & skf18("6","10","8","4","8","3","1") = "9"
    & skf18("6","10","8","4","8","4","1") = "9"
    & skf18("6","10","8","4","8","5","1") = "9"
    & skf18("6","10","8","4","8","6","1") = "9"
    & skf18("6","10","8","4","8","7","1") = "9"
    & skf18("6","10","8","4","8","8","1") = "9"
    & skf18("6","10","8","4","8","9","1") = "9"
    & skf18("6","10","8","4","8","10","1") = "9"
    & skf18("6","10","8","4","9","1","1") = "9"
    & skf18("6","10","8","4","9","2","1") = "9"
    & skf18("6","10","8","4","9","3","1") = "9"
    & skf18("6","10","8","4","9","4","1") = "9"
    & skf18("6","10","8","4","9","5","1") = "9"
    & skf18("6","10","8","4","9","6","1") = "9"
    & skf18("6","10","8","4","9","7","1") = "9"
    & skf18("6","10","8","4","9","8","1") = "9"
    & skf18("6","10","8","4","9","9","1") = "9"
    & skf18("6","10","8","4","9","10","1") = "9"
    & skf18("6","10","8","4","10","1","1") = "9"
    & skf18("6","10","8","4","10","2","1") = "9"
    & skf18("6","10","8","4","10","3","1") = "9"
    & skf18("6","10","8","4","10","4","1") = "9"
    & skf18("6","10","8","4","10","5","1") = "9"
    & skf18("6","10","8","4","10","6","1") = "9"
    & skf18("6","10","8","4","10","7","1") = "9"
    & skf18("6","10","8","4","10","8","1") = "9"
    & skf18("6","10","8","4","10","9","1") = "9"
    & skf18("6","10","8","4","10","10","1") = "9"
    & skf18("6","10","8","5","1","1","1") = "9"
    & skf18("6","10","8","5","1","2","1") = "9"
    & skf18("6","10","8","5","1","3","1") = "9"
    & skf18("6","10","8","5","1","4","1") = "9"
    & skf18("6","10","8","5","1","5","1") = "9"
    & skf18("6","10","8","5","1","6","1") = "9"
    & skf18("6","10","8","5","1","7","1") = "9"
    & skf18("6","10","8","5","1","8","1") = "9"
    & skf18("6","10","8","5","1","9","1") = "9"
    & skf18("6","10","8","5","1","10","1") = "9"
    & skf18("6","10","8","5","2","1","1") = "9"
    & skf18("6","10","8","5","2","2","1") = "9"
    & skf18("6","10","8","5","2","3","1") = "9"
    & skf18("6","10","8","5","2","4","1") = "9"
    & skf18("6","10","8","5","2","5","1") = "9"
    & skf18("6","10","8","5","2","6","1") = "9"
    & skf18("6","10","8","5","2","7","1") = "9"
    & skf18("6","10","8","5","2","8","1") = "9"
    & skf18("6","10","8","5","2","9","1") = "9"
    & skf18("6","10","8","5","2","10","1") = "9"
    & skf18("6","10","8","5","3","1","1") = "9"
    & skf18("6","10","8","5","3","2","1") = "9"
    & skf18("6","10","8","5","3","3","1") = "9"
    & skf18("6","10","8","5","3","4","1") = "9"
    & skf18("6","10","8","5","3","5","1") = "9"
    & skf18("6","10","8","5","3","6","1") = "9"
    & skf18("6","10","8","5","3","7","1") = "9"
    & skf18("6","10","8","5","3","8","1") = "9"
    & skf18("6","10","8","5","3","9","1") = "9"
    & skf18("6","10","8","5","3","10","1") = "9"
    & skf18("6","10","8","5","4","1","1") = "9"
    & skf18("6","10","8","5","4","2","1") = "9"
    & skf18("6","10","8","5","4","3","1") = "9"
    & skf18("6","10","8","5","4","4","1") = "9"
    & skf18("6","10","8","5","4","5","1") = "9"
    & skf18("6","10","8","5","4","6","1") = "9"
    & skf18("6","10","8","5","4","7","1") = "9"
    & skf18("6","10","8","5","4","8","1") = "9"
    & skf18("6","10","8","5","4","9","1") = "9"
    & skf18("6","10","8","5","4","10","1") = "9"
    & skf18("6","10","8","5","5","1","1") = "9"
    & skf18("6","10","8","5","5","2","1") = "9"
    & skf18("6","10","8","5","5","3","1") = "9"
    & skf18("6","10","8","5","5","4","1") = "9"
    & skf18("6","10","8","5","5","5","1") = "9"
    & skf18("6","10","8","5","5","6","1") = "9"
    & skf18("6","10","8","5","5","7","1") = "9"
    & skf18("6","10","8","5","5","8","1") = "9"
    & skf18("6","10","8","5","5","9","1") = "9"
    & skf18("6","10","8","5","5","10","1") = "9"
    & skf18("6","10","8","5","6","1","1") = "9"
    & skf18("6","10","8","5","6","2","1") = "9"
    & skf18("6","10","8","5","6","3","1") = "9"
    & skf18("6","10","8","5","6","4","1") = "9"
    & skf18("6","10","8","5","6","5","1") = "9"
    & skf18("6","10","8","5","6","6","1") = "9"
    & skf18("6","10","8","5","6","7","1") = "9"
    & skf18("6","10","8","5","6","8","1") = "9"
    & skf18("6","10","8","5","6","9","1") = "9"
    & skf18("6","10","8","5","6","10","1") = "9"
    & skf18("6","10","8","5","7","1","1") = "9"
    & skf18("6","10","8","5","7","2","1") = "9"
    & skf18("6","10","8","5","7","3","1") = "9"
    & skf18("6","10","8","5","7","4","1") = "9"
    & skf18("6","10","8","5","7","5","1") = "9"
    & skf18("6","10","8","5","7","6","1") = "9"
    & skf18("6","10","8","5","7","7","1") = "9"
    & skf18("6","10","8","5","7","8","1") = "9"
    & skf18("6","10","8","5","7","9","1") = "9"
    & skf18("6","10","8","5","7","10","1") = "9"
    & skf18("6","10","8","5","8","1","1") = "9"
    & skf18("6","10","8","5","8","2","1") = "9"
    & skf18("6","10","8","5","8","3","1") = "9"
    & skf18("6","10","8","5","8","4","1") = "9"
    & skf18("6","10","8","5","8","5","1") = "9"
    & skf18("6","10","8","5","8","6","1") = "9"
    & skf18("6","10","8","5","8","7","1") = "9"
    & skf18("6","10","8","5","8","8","1") = "9"
    & skf18("6","10","8","5","8","9","1") = "9"
    & skf18("6","10","8","5","8","10","1") = "9"
    & skf18("6","10","8","5","9","1","1") = "9"
    & skf18("6","10","8","5","9","2","1") = "9"
    & skf18("6","10","8","5","9","3","1") = "9"
    & skf18("6","10","8","5","9","4","1") = "9"
    & skf18("6","10","8","5","9","5","1") = "9"
    & skf18("6","10","8","5","9","6","1") = "9"
    & skf18("6","10","8","5","9","7","1") = "9"
    & skf18("6","10","8","5","9","8","1") = "9"
    & skf18("6","10","8","5","9","9","1") = "9"
    & skf18("6","10","8","5","9","10","1") = "9"
    & skf18("6","10","8","5","10","1","1") = "9"
    & skf18("6","10","8","5","10","2","1") = "9"
    & skf18("6","10","8","5","10","3","1") = "9"
    & skf18("6","10","8","5","10","4","1") = "9"
    & skf18("6","10","8","5","10","5","1") = "9"
    & skf18("6","10","8","5","10","6","1") = "9"
    & skf18("6","10","8","5","10","7","1") = "9"
    & skf18("6","10","8","5","10","8","1") = "9"
    & skf18("6","10","8","5","10","9","1") = "9"
    & skf18("6","10","8","5","10","10","1") = "9"
    & skf18("6","10","8","6","1","1","1") = "9"
    & skf18("6","10","8","6","1","2","1") = "9"
    & skf18("6","10","8","6","1","3","1") = "9"
    & skf18("6","10","8","6","1","4","1") = "9"
    & skf18("6","10","8","6","1","5","1") = "9"
    & skf18("6","10","8","6","1","6","1") = "9"
    & skf18("6","10","8","6","1","7","1") = "9"
    & skf18("6","10","8","6","1","8","1") = "9"
    & skf18("6","10","8","6","1","9","1") = "9"
    & skf18("6","10","8","6","1","10","1") = "9"
    & skf18("6","10","8","6","2","1","1") = "9"
    & skf18("6","10","8","6","2","2","1") = "9"
    & skf18("6","10","8","6","2","3","1") = "9"
    & skf18("6","10","8","6","2","4","1") = "9"
    & skf18("6","10","8","6","2","5","1") = "9"
    & skf18("6","10","8","6","2","6","1") = "9"
    & skf18("6","10","8","6","2","7","1") = "9"
    & skf18("6","10","8","6","2","8","1") = "9"
    & skf18("6","10","8","6","2","9","1") = "9"
    & skf18("6","10","8","6","2","10","1") = "9"
    & skf18("6","10","8","6","3","1","1") = "9"
    & skf18("6","10","8","6","3","2","1") = "9"
    & skf18("6","10","8","6","3","3","1") = "9"
    & skf18("6","10","8","6","3","4","1") = "9"
    & skf18("6","10","8","6","3","5","1") = "9"
    & skf18("6","10","8","6","3","6","1") = "9"
    & skf18("6","10","8","6","3","7","1") = "9"
    & skf18("6","10","8","6","3","8","1") = "9"
    & skf18("6","10","8","6","3","9","1") = "9"
    & skf18("6","10","8","6","3","10","1") = "9"
    & skf18("6","10","8","6","4","1","1") = "9"
    & skf18("6","10","8","6","4","2","1") = "9"
    & skf18("6","10","8","6","4","3","1") = "9"
    & skf18("6","10","8","6","4","4","1") = "9"
    & skf18("6","10","8","6","4","5","1") = "9"
    & skf18("6","10","8","6","4","6","1") = "9"
    & skf18("6","10","8","6","4","7","1") = "9"
    & skf18("6","10","8","6","4","8","1") = "9"
    & skf18("6","10","8","6","4","9","1") = "9"
    & skf18("6","10","8","6","4","10","1") = "9"
    & skf18("6","10","8","6","5","1","1") = "9"
    & skf18("6","10","8","6","5","2","1") = "9"
    & skf18("6","10","8","6","5","3","1") = "9"
    & skf18("6","10","8","6","5","4","1") = "9"
    & skf18("6","10","8","6","5","5","1") = "9"
    & skf18("6","10","8","6","5","6","1") = "9"
    & skf18("6","10","8","6","5","7","1") = "9"
    & skf18("6","10","8","6","5","8","1") = "9"
    & skf18("6","10","8","6","5","9","1") = "9"
    & skf18("6","10","8","6","5","10","1") = "9"
    & skf18("6","10","8","6","6","1","1") = "9"
    & skf18("6","10","8","6","6","2","1") = "9"
    & skf18("6","10","8","6","6","3","1") = "9"
    & skf18("6","10","8","6","6","4","1") = "9"
    & skf18("6","10","8","6","6","5","1") = "9"
    & skf18("6","10","8","6","6","6","1") = "9"
    & skf18("6","10","8","6","6","7","1") = "9"
    & skf18("6","10","8","6","6","8","1") = "9"
    & skf18("6","10","8","6","6","9","1") = "9"
    & skf18("6","10","8","6","6","10","1") = "9"
    & skf18("6","10","8","6","7","1","1") = "9"
    & skf18("6","10","8","6","7","2","1") = "9"
    & skf18("6","10","8","6","7","3","1") = "9"
    & skf18("6","10","8","6","7","4","1") = "9"
    & skf18("6","10","8","6","7","5","1") = "9"
    & skf18("6","10","8","6","7","6","1") = "9"
    & skf18("6","10","8","6","7","7","1") = "9"
    & skf18("6","10","8","6","7","8","1") = "9"
    & skf18("6","10","8","6","7","9","1") = "9"
    & skf18("6","10","8","6","7","10","1") = "9"
    & skf18("6","10","8","6","8","1","1") = "9"
    & skf18("6","10","8","6","8","2","1") = "9"
    & skf18("6","10","8","6","8","3","1") = "9"
    & skf18("6","10","8","6","8","4","1") = "9"
    & skf18("6","10","8","6","8","5","1") = "9"
    & skf18("6","10","8","6","8","6","1") = "9"
    & skf18("6","10","8","6","8","7","1") = "9"
    & skf18("6","10","8","6","8","8","1") = "9"
    & skf18("6","10","8","6","8","9","1") = "9"
    & skf18("6","10","8","6","8","10","1") = "9"
    & skf18("6","10","8","6","9","1","1") = "9"
    & skf18("6","10","8","6","9","2","1") = "9"
    & skf18("6","10","8","6","9","3","1") = "9"
    & skf18("6","10","8","6","9","4","1") = "9"
    & skf18("6","10","8","6","9","5","1") = "9"
    & skf18("6","10","8","6","9","6","1") = "9"
    & skf18("6","10","8","6","9","7","1") = "9"
    & skf18("6","10","8","6","9","8","1") = "9"
    & skf18("6","10","8","6","9","9","1") = "9"
    & skf18("6","10","8","6","9","10","1") = "9"
    & skf18("6","10","8","6","10","1","1") = "9"
    & skf18("6","10","8","6","10","2","1") = "9"
    & skf18("6","10","8","6","10","3","1") = "9"
    & skf18("6","10","8","6","10","4","1") = "9"
    & skf18("6","10","8","6","10","5","1") = "9"
    & skf18("6","10","8","6","10","6","1") = "9"
    & skf18("6","10","8","6","10","7","1") = "9"
    & skf18("6","10","8","6","10","8","1") = "9"
    & skf18("6","10","8","6","10","9","1") = "9"
    & skf18("6","10","8","6","10","10","1") = "9"
    & skf18("6","10","8","7","1","1","1") = "9"
    & skf18("6","10","8","7","1","2","1") = "9"
    & skf18("6","10","8","7","1","3","1") = "9"
    & skf18("6","10","8","7","1","4","1") = "9"
    & skf18("6","10","8","7","1","5","1") = "9"
    & skf18("6","10","8","7","1","6","1") = "9"
    & skf18("6","10","8","7","1","7","1") = "9"
    & skf18("6","10","8","7","1","8","1") = "9"
    & skf18("6","10","8","7","1","9","1") = "9"
    & skf18("6","10","8","7","1","10","1") = "9"
    & skf18("6","10","8","7","2","1","1") = "9"
    & skf18("6","10","8","7","2","2","1") = "9"
    & skf18("6","10","8","7","2","3","1") = "9"
    & skf18("6","10","8","7","2","4","1") = "9"
    & skf18("6","10","8","7","2","5","1") = "9"
    & skf18("6","10","8","7","2","6","1") = "9"
    & skf18("6","10","8","7","2","7","1") = "9"
    & skf18("6","10","8","7","2","8","1") = "9"
    & skf18("6","10","8","7","2","9","1") = "9"
    & skf18("6","10","8","7","2","10","1") = "9"
    & skf18("6","10","8","7","3","1","1") = "9"
    & skf18("6","10","8","7","3","2","1") = "9"
    & skf18("6","10","8","7","3","3","1") = "9"
    & skf18("6","10","8","7","3","4","1") = "9"
    & skf18("6","10","8","7","3","5","1") = "9"
    & skf18("6","10","8","7","3","6","1") = "9"
    & skf18("6","10","8","7","3","7","1") = "9"
    & skf18("6","10","8","7","3","8","1") = "9"
    & skf18("6","10","8","7","3","9","1") = "9"
    & skf18("6","10","8","7","3","10","1") = "9"
    & skf18("6","10","8","7","4","1","1") = "9"
    & skf18("6","10","8","7","4","2","1") = "9"
    & skf18("6","10","8","7","4","3","1") = "9"
    & skf18("6","10","8","7","4","4","1") = "9"
    & skf18("6","10","8","7","4","5","1") = "9"
    & skf18("6","10","8","7","4","6","1") = "9"
    & skf18("6","10","8","7","4","7","1") = "9"
    & skf18("6","10","8","7","4","8","1") = "9"
    & skf18("6","10","8","7","4","9","1") = "9"
    & skf18("6","10","8","7","4","10","1") = "9"
    & skf18("6","10","8","7","5","1","1") = "9"
    & skf18("6","10","8","7","5","2","1") = "9"
    & skf18("6","10","8","7","5","3","1") = "9"
    & skf18("6","10","8","7","5","4","1") = "9"
    & skf18("6","10","8","7","5","5","1") = "9"
    & skf18("6","10","8","7","5","6","1") = "9"
    & skf18("6","10","8","7","5","7","1") = "9"
    & skf18("6","10","8","7","5","8","1") = "9"
    & skf18("6","10","8","7","5","9","1") = "9"
    & skf18("6","10","8","7","5","10","1") = "9"
    & skf18("6","10","8","7","6","1","1") = "9"
    & skf18("6","10","8","7","6","2","1") = "9"
    & skf18("6","10","8","7","6","3","1") = "9"
    & skf18("6","10","8","7","6","4","1") = "9"
    & skf18("6","10","8","7","6","5","1") = "9"
    & skf18("6","10","8","7","6","6","1") = "9"
    & skf18("6","10","8","7","6","7","1") = "9"
    & skf18("6","10","8","7","6","8","1") = "9"
    & skf18("6","10","8","7","6","9","1") = "9"
    & skf18("6","10","8","7","6","10","1") = "9"
    & skf18("6","10","8","7","7","1","1") = "9"
    & skf18("6","10","8","7","7","2","1") = "9"
    & skf18("6","10","8","7","7","3","1") = "9"
    & skf18("6","10","8","7","7","4","1") = "9"
    & skf18("6","10","8","7","7","5","1") = "9"
    & skf18("6","10","8","7","7","6","1") = "9"
    & skf18("6","10","8","7","7","7","1") = "9"
    & skf18("6","10","8","7","7","8","1") = "9"
    & skf18("6","10","8","7","7","9","1") = "9"
    & skf18("6","10","8","7","7","10","1") = "9"
    & skf18("6","10","8","7","8","1","1") = "9"
    & skf18("6","10","8","7","8","2","1") = "9"
    & skf18("6","10","8","7","8","3","1") = "9"
    & skf18("6","10","8","7","8","4","1") = "9"
    & skf18("6","10","8","7","8","5","1") = "9"
    & skf18("6","10","8","7","8","6","1") = "9"
    & skf18("6","10","8","7","8","7","1") = "9"
    & skf18("6","10","8","7","8","8","1") = "9"
    & skf18("6","10","8","7","8","9","1") = "9"
    & skf18("6","10","8","7","8","10","1") = "9"
    & skf18("6","10","8","7","9","1","1") = "9"
    & skf18("6","10","8","7","9","2","1") = "9"
    & skf18("6","10","8","7","9","3","1") = "9"
    & skf18("6","10","8","7","9","4","1") = "9"
    & skf18("6","10","8","7","9","5","1") = "9"
    & skf18("6","10","8","7","9","6","1") = "9"
    & skf18("6","10","8","7","9","7","1") = "9"
    & skf18("6","10","8","7","9","8","1") = "9"
    & skf18("6","10","8","7","9","9","1") = "9"
    & skf18("6","10","8","7","9","10","1") = "9"
    & skf18("6","10","8","7","10","1","1") = "9"
    & skf18("6","10","8","7","10","2","1") = "9"
    & skf18("6","10","8","7","10","3","1") = "9"
    & skf18("6","10","8","7","10","4","1") = "9"
    & skf18("6","10","8","7","10","5","1") = "9"
    & skf18("6","10","8","7","10","6","1") = "9"
    & skf18("6","10","8","7","10","7","1") = "9"
    & skf18("6","10","8","7","10","8","1") = "9"
    & skf18("6","10","8","7","10","9","1") = "9"
    & skf18("6","10","8","7","10","10","1") = "9"
    & skf18("6","10","8","8","1","1","1") = "9"
    & skf18("6","10","8","8","1","2","1") = "9"
    & skf18("6","10","8","8","1","3","1") = "9"
    & skf18("6","10","8","8","1","4","1") = "9"
    & skf18("6","10","8","8","1","5","1") = "9"
    & skf18("6","10","8","8","1","6","1") = "9"
    & skf18("6","10","8","8","1","7","1") = "9"
    & skf18("6","10","8","8","1","8","1") = "9"
    & skf18("6","10","8","8","1","9","1") = "9"
    & skf18("6","10","8","8","1","10","1") = "9"
    & skf18("6","10","8","8","2","1","1") = "9"
    & skf18("6","10","8","8","2","2","1") = "9"
    & skf18("6","10","8","8","2","3","1") = "9"
    & skf18("6","10","8","8","2","4","1") = "9"
    & skf18("6","10","8","8","2","5","1") = "9"
    & skf18("6","10","8","8","2","6","1") = "9"
    & skf18("6","10","8","8","2","7","1") = "9"
    & skf18("6","10","8","8","2","8","1") = "9"
    & skf18("6","10","8","8","2","9","1") = "9"
    & skf18("6","10","8","8","2","10","1") = "9"
    & skf18("6","10","8","8","3","1","1") = "9"
    & skf18("6","10","8","8","3","2","1") = "9"
    & skf18("6","10","8","8","3","3","1") = "9"
    & skf18("6","10","8","8","3","4","1") = "9"
    & skf18("6","10","8","8","3","5","1") = "9"
    & skf18("6","10","8","8","3","6","1") = "9"
    & skf18("6","10","8","8","3","7","1") = "9"
    & skf18("6","10","8","8","3","8","1") = "9"
    & skf18("6","10","8","8","3","9","1") = "9"
    & skf18("6","10","8","8","3","10","1") = "9"
    & skf18("6","10","8","8","4","1","1") = "9"
    & skf18("6","10","8","8","4","2","1") = "9"
    & skf18("6","10","8","8","4","3","1") = "9"
    & skf18("6","10","8","8","4","4","1") = "9"
    & skf18("6","10","8","8","4","5","1") = "9"
    & skf18("6","10","8","8","4","6","1") = "9"
    & skf18("6","10","8","8","4","7","1") = "9"
    & skf18("6","10","8","8","4","8","1") = "9"
    & skf18("6","10","8","8","4","9","1") = "9"
    & skf18("6","10","8","8","4","10","1") = "9"
    & skf18("6","10","8","8","5","1","1") = "9"
    & skf18("6","10","8","8","5","2","1") = "9"
    & skf18("6","10","8","8","5","3","1") = "9"
    & skf18("6","10","8","8","5","4","1") = "9"
    & skf18("6","10","8","8","5","5","1") = "9"
    & skf18("6","10","8","8","5","6","1") = "9"
    & skf18("6","10","8","8","5","7","1") = "9"
    & skf18("6","10","8","8","5","8","1") = "9"
    & skf18("6","10","8","8","5","9","1") = "9"
    & skf18("6","10","8","8","5","10","1") = "9"
    & skf18("6","10","8","8","6","1","1") = "9"
    & skf18("6","10","8","8","6","2","1") = "9"
    & skf18("6","10","8","8","6","3","1") = "9"
    & skf18("6","10","8","8","6","4","1") = "9"
    & skf18("6","10","8","8","6","5","1") = "9"
    & skf18("6","10","8","8","6","6","1") = "9"
    & skf18("6","10","8","8","6","7","1") = "9"
    & skf18("6","10","8","8","6","8","1") = "9"
    & skf18("6","10","8","8","6","9","1") = "9"
    & skf18("6","10","8","8","6","10","1") = "9"
    & skf18("6","10","8","8","7","1","1") = "9"
    & skf18("6","10","8","8","7","2","1") = "9"
    & skf18("6","10","8","8","7","3","1") = "9"
    & skf18("6","10","8","8","7","4","1") = "9"
    & skf18("6","10","8","8","7","5","1") = "9"
    & skf18("6","10","8","8","7","6","1") = "9"
    & skf18("6","10","8","8","7","7","1") = "9"
    & skf18("6","10","8","8","7","8","1") = "9"
    & skf18("6","10","8","8","7","9","1") = "9"
    & skf18("6","10","8","8","7","10","1") = "9"
    & skf18("6","10","8","8","8","1","1") = "9"
    & skf18("6","10","8","8","8","2","1") = "9"
    & skf18("6","10","8","8","8","3","1") = "9"
    & skf18("6","10","8","8","8","4","1") = "9"
    & skf18("6","10","8","8","8","5","1") = "9"
    & skf18("6","10","8","8","8","6","1") = "9"
    & skf18("6","10","8","8","8","7","1") = "9"
    & skf18("6","10","8","8","8","8","1") = "9"
    & skf18("6","10","8","8","8","9","1") = "9"
    & skf18("6","10","8","8","8","10","1") = "9"
    & skf18("6","10","8","8","9","1","1") = "9"
    & skf18("6","10","8","8","9","2","1") = "9"
    & skf18("6","10","8","8","9","3","1") = "9"
    & skf18("6","10","8","8","9","4","1") = "9"
    & skf18("6","10","8","8","9","5","1") = "9"
    & skf18("6","10","8","8","9","6","1") = "9"
    & skf18("6","10","8","8","9","7","1") = "9"
    & skf18("6","10","8","8","9","8","1") = "9"
    & skf18("6","10","8","8","9","9","1") = "9"
    & skf18("6","10","8","8","9","10","1") = "9"
    & skf18("6","10","8","8","10","1","1") = "9"
    & skf18("6","10","8","8","10","2","1") = "9"
    & skf18("6","10","8","8","10","3","1") = "9"
    & skf18("6","10","8","8","10","4","1") = "9"
    & skf18("6","10","8","8","10","5","1") = "9"
    & skf18("6","10","8","8","10","6","1") = "9"
    & skf18("6","10","8","8","10","7","1") = "9"
    & skf18("6","10","8","8","10","8","1") = "9"
    & skf18("6","10","8","8","10","9","1") = "9"
    & skf18("6","10","8","8","10","10","1") = "9"
    & skf18("6","10","8","9","1","1","1") = "9"
    & skf18("6","10","8","9","1","2","1") = "9"
    & skf18("6","10","8","9","1","3","1") = "9"
    & skf18("6","10","8","9","1","4","1") = "9"
    & skf18("6","10","8","9","1","5","1") = "9"
    & skf18("6","10","8","9","1","6","1") = "9"
    & skf18("6","10","8","9","1","7","1") = "9"
    & skf18("6","10","8","9","1","8","1") = "9"
    & skf18("6","10","8","9","1","9","1") = "9"
    & skf18("6","10","8","9","1","10","1") = "9"
    & skf18("6","10","8","9","2","1","1") = "9"
    & skf18("6","10","8","9","2","2","1") = "9"
    & skf18("6","10","8","9","2","3","1") = "9"
    & skf18("6","10","8","9","2","4","1") = "9"
    & skf18("6","10","8","9","2","5","1") = "9"
    & skf18("6","10","8","9","2","6","1") = "9"
    & skf18("6","10","8","9","2","7","1") = "9"
    & skf18("6","10","8","9","2","8","1") = "9"
    & skf18("6","10","8","9","2","9","1") = "9"
    & skf18("6","10","8","9","2","10","1") = "9"
    & skf18("6","10","8","9","3","1","1") = "9"
    & skf18("6","10","8","9","3","2","1") = "9"
    & skf18("6","10","8","9","3","3","1") = "9"
    & skf18("6","10","8","9","3","4","1") = "9"
    & skf18("6","10","8","9","3","5","1") = "9"
    & skf18("6","10","8","9","3","6","1") = "9"
    & skf18("6","10","8","9","3","7","1") = "9"
    & skf18("6","10","8","9","3","8","1") = "9"
    & skf18("6","10","8","9","3","9","1") = "9"
    & skf18("6","10","8","9","3","10","1") = "9"
    & skf18("6","10","8","9","4","1","1") = "9"
    & skf18("6","10","8","9","4","2","1") = "9"
    & skf18("6","10","8","9","4","3","1") = "9"
    & skf18("6","10","8","9","4","4","1") = "9"
    & skf18("6","10","8","9","4","5","1") = "9"
    & skf18("6","10","8","9","4","6","1") = "9"
    & skf18("6","10","8","9","4","7","1") = "9"
    & skf18("6","10","8","9","4","8","1") = "9"
    & skf18("6","10","8","9","4","9","1") = "9"
    & skf18("6","10","8","9","4","10","1") = "9"
    & skf18("6","10","8","9","5","1","1") = "9"
    & skf18("6","10","8","9","5","2","1") = "9"
    & skf18("6","10","8","9","5","3","1") = "9"
    & skf18("6","10","8","9","5","4","1") = "9"
    & skf18("6","10","8","9","5","5","1") = "9"
    & skf18("6","10","8","9","5","6","1") = "9"
    & skf18("6","10","8","9","5","7","1") = "9"
    & skf18("6","10","8","9","5","8","1") = "9"
    & skf18("6","10","8","9","5","9","1") = "9"
    & skf18("6","10","8","9","5","10","1") = "9"
    & skf18("6","10","8","9","6","1","1") = "9"
    & skf18("6","10","8","9","6","2","1") = "9"
    & skf18("6","10","8","9","6","3","1") = "9"
    & skf18("6","10","8","9","6","4","1") = "9"
    & skf18("6","10","8","9","6","5","1") = "9"
    & skf18("6","10","8","9","6","6","1") = "9"
    & skf18("6","10","8","9","6","7","1") = "9"
    & skf18("6","10","8","9","6","8","1") = "9"
    & skf18("6","10","8","9","6","9","1") = "9"
    & skf18("6","10","8","9","6","10","1") = "9"
    & skf18("6","10","8","9","7","1","1") = "9"
    & skf18("6","10","8","9","7","2","1") = "9"
    & skf18("6","10","8","9","7","3","1") = "9"
    & skf18("6","10","8","9","7","4","1") = "9"
    & skf18("6","10","8","9","7","5","1") = "9"
    & skf18("6","10","8","9","7","6","1") = "9"
    & skf18("6","10","8","9","7","7","1") = "9"
    & skf18("6","10","8","9","7","8","1") = "9"
    & skf18("6","10","8","9","7","9","1") = "9"
    & skf18("6","10","8","9","7","10","1") = "9"
    & skf18("6","10","8","9","8","1","1") = "9"
    & skf18("6","10","8","9","8","2","1") = "9"
    & skf18("6","10","8","9","8","3","1") = "9"
    & skf18("6","10","8","9","8","4","1") = "9"
    & skf18("6","10","8","9","8","5","1") = "9"
    & skf18("6","10","8","9","8","6","1") = "9"
    & skf18("6","10","8","9","8","7","1") = "9"
    & skf18("6","10","8","9","8","8","1") = "9"
    & skf18("6","10","8","9","8","9","1") = "9"
    & skf18("6","10","8","9","8","10","1") = "9"
    & skf18("6","10","8","9","9","1","1") = "9"
    & skf18("6","10","8","9","9","2","1") = "9"
    & skf18("6","10","8","9","9","3","1") = "9"
    & skf18("6","10","8","9","9","4","1") = "9"
    & skf18("6","10","8","9","9","5","1") = "9"
    & skf18("6","10","8","9","9","6","1") = "9"
    & skf18("6","10","8","9","9","7","1") = "9"
    & skf18("6","10","8","9","9","8","1") = "9"
    & skf18("6","10","8","9","9","9","1") = "9"
    & skf18("6","10","8","9","9","10","1") = "9"
    & skf18("6","10","8","9","10","1","1") = "9"
    & skf18("6","10","8","9","10","2","1") = "9"
    & skf18("6","10","8","9","10","3","1") = "9"
    & skf18("6","10","8","9","10","4","1") = "9"
    & skf18("6","10","8","9","10","5","1") = "9"
    & skf18("6","10","8","9","10","6","1") = "9"
    & skf18("6","10","8","9","10","7","1") = "9"
    & skf18("6","10","8","9","10","8","1") = "9"
    & skf18("6","10","8","9","10","9","1") = "9"
    & skf18("6","10","8","9","10","10","1") = "9"
    & skf18("6","10","8","10","1","1","1") = "9"
    & skf18("6","10","8","10","1","2","1") = "9"
    & skf18("6","10","8","10","1","3","1") = "9"
    & skf18("6","10","8","10","1","4","1") = "9"
    & skf18("6","10","8","10","1","5","1") = "9"
    & skf18("6","10","8","10","1","6","1") = "9"
    & skf18("6","10","8","10","1","7","1") = "9"
    & skf18("6","10","8","10","1","8","1") = "9"
    & skf18("6","10","8","10","1","9","1") = "9"
    & skf18("6","10","8","10","1","10","1") = "9"
    & skf18("6","10","8","10","2","1","1") = "9"
    & skf18("6","10","8","10","2","2","1") = "9"
    & skf18("6","10","8","10","2","3","1") = "9"
    & skf18("6","10","8","10","2","4","1") = "9"
    & skf18("6","10","8","10","2","5","1") = "9"
    & skf18("6","10","8","10","2","6","1") = "9"
    & skf18("6","10","8","10","2","7","1") = "9"
    & skf18("6","10","8","10","2","8","1") = "9"
    & skf18("6","10","8","10","2","9","1") = "9"
    & skf18("6","10","8","10","2","10","1") = "9"
    & skf18("6","10","8","10","3","1","1") = "9"
    & skf18("6","10","8","10","3","2","1") = "9"
    & skf18("6","10","8","10","3","3","1") = "9"
    & skf18("6","10","8","10","3","4","1") = "9"
    & skf18("6","10","8","10","3","5","1") = "9"
    & skf18("6","10","8","10","3","6","1") = "9"
    & skf18("6","10","8","10","3","7","1") = "9"
    & skf18("6","10","8","10","3","8","1") = "9"
    & skf18("6","10","8","10","3","9","1") = "9"
    & skf18("6","10","8","10","3","10","1") = "9"
    & skf18("6","10","8","10","4","1","1") = "9"
    & skf18("6","10","8","10","4","2","1") = "9"
    & skf18("6","10","8","10","4","3","1") = "9"
    & skf18("6","10","8","10","4","4","1") = "9"
    & skf18("6","10","8","10","4","5","1") = "9"
    & skf18("6","10","8","10","4","6","1") = "9"
    & skf18("6","10","8","10","4","7","1") = "9"
    & skf18("6","10","8","10","4","8","1") = "9"
    & skf18("6","10","8","10","4","9","1") = "9"
    & skf18("6","10","8","10","4","10","1") = "9"
    & skf18("6","10","8","10","5","1","1") = "9"
    & skf18("6","10","8","10","5","2","1") = "9"
    & skf18("6","10","8","10","5","3","1") = "9"
    & skf18("6","10","8","10","5","4","1") = "9"
    & skf18("6","10","8","10","5","5","1") = "9"
    & skf18("6","10","8","10","5","6","1") = "9"
    & skf18("6","10","8","10","5","7","1") = "9"
    & skf18("6","10","8","10","5","8","1") = "9"
    & skf18("6","10","8","10","5","9","1") = "9"
    & skf18("6","10","8","10","5","10","1") = "9"
    & skf18("6","10","8","10","6","1","1") = "9"
    & skf18("6","10","8","10","6","2","1") = "9"
    & skf18("6","10","8","10","6","3","1") = "9"
    & skf18("6","10","8","10","6","4","1") = "9"
    & skf18("6","10","8","10","6","5","1") = "9"
    & skf18("6","10","8","10","6","6","1") = "9"
    & skf18("6","10","8","10","6","7","1") = "9"
    & skf18("6","10","8","10","6","8","1") = "9"
    & skf18("6","10","8","10","6","9","1") = "9"
    & skf18("6","10","8","10","6","10","1") = "9"
    & skf18("6","10","8","10","7","1","1") = "9"
    & skf18("6","10","8","10","7","2","1") = "9"
    & skf18("6","10","8","10","7","3","1") = "9"
    & skf18("6","10","8","10","7","4","1") = "9"
    & skf18("6","10","8","10","7","5","1") = "9"
    & skf18("6","10","8","10","7","6","1") = "9"
    & skf18("6","10","8","10","7","7","1") = "9"
    & skf18("6","10","8","10","7","8","1") = "9"
    & skf18("6","10","8","10","7","9","1") = "9"
    & skf18("6","10","8","10","7","10","1") = "9"
    & skf18("6","10","8","10","8","1","1") = "9"
    & skf18("6","10","8","10","8","2","1") = "9"
    & skf18("6","10","8","10","8","3","1") = "9"
    & skf18("6","10","8","10","8","4","1") = "9"
    & skf18("6","10","8","10","8","5","1") = "9"
    & skf18("6","10","8","10","8","6","1") = "9"
    & skf18("6","10","8","10","8","7","1") = "9"
    & skf18("6","10","8","10","8","8","1") = "9"
    & skf18("6","10","8","10","8","9","1") = "9"
    & skf18("6","10","8","10","8","10","1") = "9"
    & skf18("6","10","8","10","9","1","1") = "9"
    & skf18("6","10","8","10","9","2","1") = "9"
    & skf18("6","10","8","10","9","3","1") = "9"
    & skf18("6","10","8","10","9","4","1") = "9"
    & skf18("6","10","8","10","9","5","1") = "9"
    & skf18("6","10","8","10","9","6","1") = "9"
    & skf18("6","10","8","10","9","7","1") = "9"
    & skf18("6","10","8","10","9","8","1") = "9"
    & skf18("6","10","8","10","9","9","1") = "9"
    & skf18("6","10","8","10","9","10","1") = "9"
    & skf18("6","10","8","10","10","1","1") = "9"
    & skf18("6","10","8","10","10","2","1") = "9"
    & skf18("6","10","8","10","10","3","1") = "9"
    & skf18("6","10","8","10","10","4","1") = "9"
    & skf18("6","10","8","10","10","5","1") = "9"
    & skf18("6","10","8","10","10","6","1") = "9"
    & skf18("6","10","8","10","10","7","1") = "9"
    & skf18("6","10","8","10","10","8","1") = "9"
    & skf18("6","10","8","10","10","9","1") = "9"
    & skf18("6","10","8","10","10","10","1") = "9"
    & skf18("6","10","9","1","1","1","1") = "9"
    & skf18("6","10","9","1","1","2","1") = "9"
    & skf18("6","10","9","1","1","3","1") = "9"
    & skf18("6","10","9","1","1","4","1") = "9"
    & skf18("6","10","9","1","1","5","1") = "9"
    & skf18("6","10","9","1","1","6","1") = "9"
    & skf18("6","10","9","1","1","7","1") = "9"
    & skf18("6","10","9","1","1","8","1") = "9"
    & skf18("6","10","9","1","1","9","1") = "9"
    & skf18("6","10","9","1","1","10","1") = "9"
    & skf18("6","10","9","1","2","1","1") = "9"
    & skf18("6","10","9","1","2","2","1") = "9"
    & skf18("6","10","9","1","2","3","1") = "9"
    & skf18("6","10","9","1","2","4","1") = "9"
    & skf18("6","10","9","1","2","5","1") = "9"
    & skf18("6","10","9","1","2","6","1") = "9"
    & skf18("6","10","9","1","2","7","1") = "9"
    & skf18("6","10","9","1","2","8","1") = "9"
    & skf18("6","10","9","1","2","9","1") = "9"
    & skf18("6","10","9","1","2","10","1") = "9"
    & skf18("6","10","9","1","3","1","1") = "9"
    & skf18("6","10","9","1","3","2","1") = "9"
    & skf18("6","10","9","1","3","3","1") = "9"
    & skf18("6","10","9","1","3","4","1") = "9"
    & skf18("6","10","9","1","3","5","1") = "9"
    & skf18("6","10","9","1","3","6","1") = "9"
    & skf18("6","10","9","1","3","7","1") = "9"
    & skf18("6","10","9","1","3","8","1") = "9"
    & skf18("6","10","9","1","3","9","1") = "9"
    & skf18("6","10","9","1","3","10","1") = "9"
    & skf18("6","10","9","1","4","1","1") = "9"
    & skf18("6","10","9","1","4","2","1") = "9"
    & skf18("6","10","9","1","4","3","1") = "9"
    & skf18("6","10","9","1","4","4","1") = "9"
    & skf18("6","10","9","1","4","5","1") = "9"
    & skf18("6","10","9","1","4","6","1") = "9"
    & skf18("6","10","9","1","4","7","1") = "9"
    & skf18("6","10","9","1","4","8","1") = "9"
    & skf18("6","10","9","1","4","9","1") = "9"
    & skf18("6","10","9","1","4","10","1") = "9"
    & skf18("6","10","9","1","5","1","1") = "9"
    & skf18("6","10","9","1","5","2","1") = "9"
    & skf18("6","10","9","1","5","3","1") = "9"
    & skf18("6","10","9","1","5","4","1") = "9"
    & skf18("6","10","9","1","5","5","1") = "9"
    & skf18("6","10","9","1","5","6","1") = "9"
    & skf18("6","10","9","1","5","7","1") = "9"
    & skf18("6","10","9","1","5","8","1") = "9"
    & skf18("6","10","9","1","5","9","1") = "9"
    & skf18("6","10","9","1","5","10","1") = "9"
    & skf18("6","10","9","1","6","1","1") = "9"
    & skf18("6","10","9","1","6","2","1") = "9"
    & skf18("6","10","9","1","6","3","1") = "9"
    & skf18("6","10","9","1","6","4","1") = "9"
    & skf18("6","10","9","1","6","5","1") = "9"
    & skf18("6","10","9","1","6","6","1") = "9"
    & skf18("6","10","9","1","6","7","1") = "9"
    & skf18("6","10","9","1","6","8","1") = "9"
    & skf18("6","10","9","1","6","9","1") = "9"
    & skf18("6","10","9","1","6","10","1") = "9"
    & skf18("6","10","9","1","7","1","1") = "9"
    & skf18("6","10","9","1","7","2","1") = "9"
    & skf18("6","10","9","1","7","3","1") = "9"
    & skf18("6","10","9","1","7","4","1") = "9"
    & skf18("6","10","9","1","7","5","1") = "9"
    & skf18("6","10","9","1","7","6","1") = "9"
    & skf18("6","10","9","1","7","7","1") = "9"
    & skf18("6","10","9","1","7","8","1") = "9"
    & skf18("6","10","9","1","7","9","1") = "9"
    & skf18("6","10","9","1","7","10","1") = "9"
    & skf18("6","10","9","1","8","1","1") = "9"
    & skf18("6","10","9","1","8","2","1") = "9"
    & skf18("6","10","9","1","8","3","1") = "9"
    & skf18("6","10","9","1","8","4","1") = "9"
    & skf18("6","10","9","1","8","5","1") = "9"
    & skf18("6","10","9","1","8","6","1") = "9"
    & skf18("6","10","9","1","8","7","1") = "9"
    & skf18("6","10","9","1","8","8","1") = "9"
    & skf18("6","10","9","1","8","9","1") = "9"
    & skf18("6","10","9","1","8","10","1") = "9"
    & skf18("6","10","9","1","9","1","1") = "9"
    & skf18("6","10","9","1","9","2","1") = "9"
    & skf18("6","10","9","1","9","3","1") = "9"
    & skf18("6","10","9","1","9","4","1") = "9"
    & skf18("6","10","9","1","9","5","1") = "9"
    & skf18("6","10","9","1","9","6","1") = "9"
    & skf18("6","10","9","1","9","7","1") = "9"
    & skf18("6","10","9","1","9","8","1") = "9"
    & skf18("6","10","9","1","9","9","1") = "9"
    & skf18("6","10","9","1","9","10","1") = "9"
    & skf18("6","10","9","1","10","1","1") = "9"
    & skf18("6","10","9","1","10","2","1") = "9"
    & skf18("6","10","9","1","10","3","1") = "9"
    & skf18("6","10","9","1","10","4","1") = "9"
    & skf18("6","10","9","1","10","5","1") = "9"
    & skf18("6","10","9","1","10","6","1") = "9"
    & skf18("6","10","9","1","10","7","1") = "9"
    & skf18("6","10","9","1","10","8","1") = "9"
    & skf18("6","10","9","1","10","9","1") = "9"
    & skf18("6","10","9","1","10","10","1") = "9"
    & skf18("6","10","9","2","1","1","1") = "9"
    & skf18("6","10","9","2","1","2","1") = "9"
    & skf18("6","10","9","2","1","3","1") = "9"
    & skf18("6","10","9","2","1","4","1") = "9"
    & skf18("6","10","9","2","1","5","1") = "9"
    & skf18("6","10","9","2","1","6","1") = "9"
    & skf18("6","10","9","2","1","7","1") = "9"
    & skf18("6","10","9","2","1","8","1") = "9"
    & skf18("6","10","9","2","1","9","1") = "9"
    & skf18("6","10","9","2","1","10","1") = "9"
    & skf18("6","10","9","2","2","1","1") = "9"
    & skf18("6","10","9","2","2","2","1") = "9"
    & skf18("6","10","9","2","2","3","1") = "9"
    & skf18("6","10","9","2","2","4","1") = "9"
    & skf18("6","10","9","2","2","5","1") = "9"
    & skf18("6","10","9","2","2","6","1") = "9"
    & skf18("6","10","9","2","2","7","1") = "9"
    & skf18("6","10","9","2","2","8","1") = "9"
    & skf18("6","10","9","2","2","9","1") = "9"
    & skf18("6","10","9","2","2","10","1") = "9"
    & skf18("6","10","9","2","3","1","1") = "9"
    & skf18("6","10","9","2","3","2","1") = "9"
    & skf18("6","10","9","2","3","3","1") = "9"
    & skf18("6","10","9","2","3","4","1") = "9"
    & skf18("6","10","9","2","3","5","1") = "9"
    & skf18("6","10","9","2","3","6","1") = "9"
    & skf18("6","10","9","2","3","7","1") = "9"
    & skf18("6","10","9","2","3","8","1") = "9"
    & skf18("6","10","9","2","3","9","1") = "9"
    & skf18("6","10","9","2","3","10","1") = "9"
    & skf18("6","10","9","2","4","1","1") = "9"
    & skf18("6","10","9","2","4","2","1") = "9"
    & skf18("6","10","9","2","4","3","1") = "9"
    & skf18("6","10","9","2","4","4","1") = "9"
    & skf18("6","10","9","2","4","5","1") = "9"
    & skf18("6","10","9","2","4","6","1") = "9"
    & skf18("6","10","9","2","4","7","1") = "9"
    & skf18("6","10","9","2","4","8","1") = "9"
    & skf18("6","10","9","2","4","9","1") = "9"
    & skf18("6","10","9","2","4","10","1") = "9"
    & skf18("6","10","9","2","5","1","1") = "9"
    & skf18("6","10","9","2","5","2","1") = "9"
    & skf18("6","10","9","2","5","3","1") = "9"
    & skf18("6","10","9","2","5","4","1") = "9"
    & skf18("6","10","9","2","5","5","1") = "9"
    & skf18("6","10","9","2","5","6","1") = "9"
    & skf18("6","10","9","2","5","7","1") = "9"
    & skf18("6","10","9","2","5","8","1") = "9"
    & skf18("6","10","9","2","5","9","1") = "9"
    & skf18("6","10","9","2","5","10","1") = "9"
    & skf18("6","10","9","2","6","1","1") = "9"
    & skf18("6","10","9","2","6","2","1") = "9"
    & skf18("6","10","9","2","6","3","1") = "9"
    & skf18("6","10","9","2","6","4","1") = "9"
    & skf18("6","10","9","2","6","5","1") = "9"
    & skf18("6","10","9","2","6","6","1") = "9"
    & skf18("6","10","9","2","6","7","1") = "9"
    & skf18("6","10","9","2","6","8","1") = "9"
    & skf18("6","10","9","2","6","9","1") = "9"
    & skf18("6","10","9","2","6","10","1") = "9"
    & skf18("6","10","9","2","7","1","1") = "9"
    & skf18("6","10","9","2","7","2","1") = "9"
    & skf18("6","10","9","2","7","3","1") = "9"
    & skf18("6","10","9","2","7","4","1") = "9"
    & skf18("6","10","9","2","7","5","1") = "9"
    & skf18("6","10","9","2","7","6","1") = "9"
    & skf18("6","10","9","2","7","7","1") = "9"
    & skf18("6","10","9","2","7","8","1") = "9"
    & skf18("6","10","9","2","7","9","1") = "9"
    & skf18("6","10","9","2","7","10","1") = "9"
    & skf18("6","10","9","2","8","1","1") = "9"
    & skf18("6","10","9","2","8","2","1") = "9"
    & skf18("6","10","9","2","8","3","1") = "9"
    & skf18("6","10","9","2","8","4","1") = "9"
    & skf18("6","10","9","2","8","5","1") = "9"
    & skf18("6","10","9","2","8","6","1") = "9"
    & skf18("6","10","9","2","8","7","1") = "9"
    & skf18("6","10","9","2","8","8","1") = "9"
    & skf18("6","10","9","2","8","9","1") = "9"
    & skf18("6","10","9","2","8","10","1") = "9"
    & skf18("6","10","9","2","9","1","1") = "9"
    & skf18("6","10","9","2","9","2","1") = "9"
    & skf18("6","10","9","2","9","3","1") = "9"
    & skf18("6","10","9","2","9","4","1") = "9"
    & skf18("6","10","9","2","9","5","1") = "9"
    & skf18("6","10","9","2","9","6","1") = "9"
    & skf18("6","10","9","2","9","7","1") = "9"
    & skf18("6","10","9","2","9","8","1") = "9"
    & skf18("6","10","9","2","9","9","1") = "9"
    & skf18("6","10","9","2","9","10","1") = "9"
    & skf18("6","10","9","2","10","1","1") = "9"
    & skf18("6","10","9","2","10","2","1") = "9"
    & skf18("6","10","9","2","10","3","1") = "9"
    & skf18("6","10","9","2","10","4","1") = "9"
    & skf18("6","10","9","2","10","5","1") = "9"
    & skf18("6","10","9","2","10","6","1") = "9"
    & skf18("6","10","9","2","10","7","1") = "9"
    & skf18("6","10","9","2","10","8","1") = "9"
    & skf18("6","10","9","2","10","9","1") = "9"
    & skf18("6","10","9","2","10","10","1") = "9"
    & skf18("6","10","9","3","1","1","1") = "9"
    & skf18("6","10","9","3","1","2","1") = "9"
    & skf18("6","10","9","3","1","3","1") = "9"
    & skf18("6","10","9","3","1","4","1") = "9"
    & skf18("6","10","9","3","1","5","1") = "9"
    & skf18("6","10","9","3","1","6","1") = "9"
    & skf18("6","10","9","3","1","7","1") = "9"
    & skf18("6","10","9","3","1","8","1") = "9"
    & skf18("6","10","9","3","1","9","1") = "9"
    & skf18("6","10","9","3","1","10","1") = "9"
    & skf18("6","10","9","3","2","1","1") = "9"
    & skf18("6","10","9","3","2","2","1") = "9"
    & skf18("6","10","9","3","2","3","1") = "9"
    & skf18("6","10","9","3","2","4","1") = "9"
    & skf18("6","10","9","3","2","5","1") = "9"
    & skf18("6","10","9","3","2","6","1") = "9"
    & skf18("6","10","9","3","2","7","1") = "9"
    & skf18("6","10","9","3","2","8","1") = "9"
    & skf18("6","10","9","3","2","9","1") = "9"
    & skf18("6","10","9","3","2","10","1") = "9"
    & skf18("6","10","9","3","3","1","1") = "9"
    & skf18("6","10","9","3","3","2","1") = "9"
    & skf18("6","10","9","3","3","3","1") = "9"
    & skf18("6","10","9","3","3","4","1") = "9"
    & skf18("6","10","9","3","3","5","1") = "9"
    & skf18("6","10","9","3","3","6","1") = "9"
    & skf18("6","10","9","3","3","7","1") = "9"
    & skf18("6","10","9","3","3","8","1") = "9"
    & skf18("6","10","9","3","3","9","1") = "9"
    & skf18("6","10","9","3","3","10","1") = "9"
    & skf18("6","10","9","3","4","1","1") = "9"
    & skf18("6","10","9","3","4","2","1") = "9"
    & skf18("6","10","9","3","4","3","1") = "9"
    & skf18("6","10","9","3","4","4","1") = "9"
    & skf18("6","10","9","3","4","5","1") = "9"
    & skf18("6","10","9","3","4","6","1") = "9"
    & skf18("6","10","9","3","4","7","1") = "9"
    & skf18("6","10","9","3","4","8","1") = "9"
    & skf18("6","10","9","3","4","9","1") = "9"
    & skf18("6","10","9","3","4","10","1") = "9"
    & skf18("6","10","9","3","5","1","1") = "9"
    & skf18("6","10","9","3","5","2","1") = "9"
    & skf18("6","10","9","3","5","3","1") = "9"
    & skf18("6","10","9","3","5","4","1") = "9"
    & skf18("6","10","9","3","5","5","1") = "9"
    & skf18("6","10","9","3","5","6","1") = "9"
    & skf18("6","10","9","3","5","7","1") = "9"
    & skf18("6","10","9","3","5","8","1") = "9"
    & skf18("6","10","9","3","5","9","1") = "9"
    & skf18("6","10","9","3","5","10","1") = "9"
    & skf18("6","10","9","3","6","1","1") = "9"
    & skf18("6","10","9","3","6","2","1") = "9"
    & skf18("6","10","9","3","6","3","1") = "9"
    & skf18("6","10","9","3","6","4","1") = "9"
    & skf18("6","10","9","3","6","5","1") = "9"
    & skf18("6","10","9","3","6","6","1") = "9"
    & skf18("6","10","9","3","6","7","1") = "9"
    & skf18("6","10","9","3","6","8","1") = "9"
    & skf18("6","10","9","3","6","9","1") = "9"
    & skf18("6","10","9","3","6","10","1") = "9"
    & skf18("6","10","9","3","7","1","1") = "9"
    & skf18("6","10","9","3","7","2","1") = "9"
    & skf18("6","10","9","3","7","3","1") = "9"
    & skf18("6","10","9","3","7","4","1") = "9"
    & skf18("6","10","9","3","7","5","1") = "9"
    & skf18("6","10","9","3","7","6","1") = "9"
    & skf18("6","10","9","3","7","7","1") = "9"
    & skf18("6","10","9","3","7","8","1") = "9"
    & skf18("6","10","9","3","7","9","1") = "9"
    & skf18("6","10","9","3","7","10","1") = "9"
    & skf18("6","10","9","3","8","1","1") = "9"
    & skf18("6","10","9","3","8","2","1") = "9"
    & skf18("6","10","9","3","8","3","1") = "9"
    & skf18("6","10","9","3","8","4","1") = "9"
    & skf18("6","10","9","3","8","5","1") = "9"
    & skf18("6","10","9","3","8","6","1") = "9"
    & skf18("6","10","9","3","8","7","1") = "9"
    & skf18("6","10","9","3","8","8","1") = "9"
    & skf18("6","10","9","3","8","9","1") = "9"
    & skf18("6","10","9","3","8","10","1") = "9"
    & skf18("6","10","9","3","9","1","1") = "9"
    & skf18("6","10","9","3","9","2","1") = "9"
    & skf18("6","10","9","3","9","3","1") = "9"
    & skf18("6","10","9","3","9","4","1") = "9"
    & skf18("6","10","9","3","9","5","1") = "9"
    & skf18("6","10","9","3","9","6","1") = "9"
    & skf18("6","10","9","3","9","7","1") = "9"
    & skf18("6","10","9","3","9","8","1") = "9"
    & skf18("6","10","9","3","9","9","1") = "9"
    & skf18("6","10","9","3","9","10","1") = "9"
    & skf18("6","10","9","3","10","1","1") = "9"
    & skf18("6","10","9","3","10","2","1") = "9"
    & skf18("6","10","9","3","10","3","1") = "9"
    & skf18("6","10","9","3","10","4","1") = "9"
    & skf18("6","10","9","3","10","5","1") = "9"
    & skf18("6","10","9","3","10","6","1") = "9"
    & skf18("6","10","9","3","10","7","1") = "9"
    & skf18("6","10","9","3","10","8","1") = "9"
    & skf18("6","10","9","3","10","9","1") = "9"
    & skf18("6","10","9","3","10","10","1") = "9"
    & skf18("6","10","9","4","1","1","1") = "9"
    & skf18("6","10","9","4","1","2","1") = "9"
    & skf18("6","10","9","4","1","3","1") = "9"
    & skf18("6","10","9","4","1","4","1") = "9"
    & skf18("6","10","9","4","1","5","1") = "9"
    & skf18("6","10","9","4","1","6","1") = "9"
    & skf18("6","10","9","4","1","7","1") = "9"
    & skf18("6","10","9","4","1","8","1") = "9"
    & skf18("6","10","9","4","1","9","1") = "9"
    & skf18("6","10","9","4","1","10","1") = "9"
    & skf18("6","10","9","4","2","1","1") = "9"
    & skf18("6","10","9","4","2","2","1") = "9"
    & skf18("6","10","9","4","2","3","1") = "9"
    & skf18("6","10","9","4","2","4","1") = "9"
    & skf18("6","10","9","4","2","5","1") = "9"
    & skf18("6","10","9","4","2","6","1") = "9"
    & skf18("6","10","9","4","2","7","1") = "9"
    & skf18("6","10","9","4","2","8","1") = "9"
    & skf18("6","10","9","4","2","9","1") = "9"
    & skf18("6","10","9","4","2","10","1") = "9"
    & skf18("6","10","9","4","3","1","1") = "9"
    & skf18("6","10","9","4","3","2","1") = "9"
    & skf18("6","10","9","4","3","3","1") = "9"
    & skf18("6","10","9","4","3","4","1") = "9"
    & skf18("6","10","9","4","3","5","1") = "9"
    & skf18("6","10","9","4","3","6","1") = "9"
    & skf18("6","10","9","4","3","7","1") = "9"
    & skf18("6","10","9","4","3","8","1") = "9"
    & skf18("6","10","9","4","3","9","1") = "9"
    & skf18("6","10","9","4","3","10","1") = "9"
    & skf18("6","10","9","4","4","1","1") = "9"
    & skf18("6","10","9","4","4","2","1") = "9"
    & skf18("6","10","9","4","4","3","1") = "9"
    & skf18("6","10","9","4","4","4","1") = "9"
    & skf18("6","10","9","4","4","5","1") = "9"
    & skf18("6","10","9","4","4","6","1") = "9"
    & skf18("6","10","9","4","4","7","1") = "9"
    & skf18("6","10","9","4","4","8","1") = "9"
    & skf18("6","10","9","4","4","9","1") = "9"
    & skf18("6","10","9","4","4","10","1") = "9"
    & skf18("6","10","9","4","5","1","1") = "9"
    & skf18("6","10","9","4","5","2","1") = "9"
    & skf18("6","10","9","4","5","3","1") = "9"
    & skf18("6","10","9","4","5","4","1") = "9"
    & skf18("6","10","9","4","5","5","1") = "9"
    & skf18("6","10","9","4","5","6","1") = "9"
    & skf18("6","10","9","4","5","7","1") = "9"
    & skf18("6","10","9","4","5","8","1") = "9"
    & skf18("6","10","9","4","5","9","1") = "9"
    & skf18("6","10","9","4","5","10","1") = "9"
    & skf18("6","10","9","4","6","1","1") = "9"
    & skf18("6","10","9","4","6","2","1") = "9"
    & skf18("6","10","9","4","6","3","1") = "9"
    & skf18("6","10","9","4","6","4","1") = "9"
    & skf18("6","10","9","4","6","5","1") = "9"
    & skf18("6","10","9","4","6","6","1") = "9"
    & skf18("6","10","9","4","6","7","1") = "9"
    & skf18("6","10","9","4","6","8","1") = "9"
    & skf18("6","10","9","4","6","9","1") = "9"
    & skf18("6","10","9","4","6","10","1") = "9"
    & skf18("6","10","9","4","7","1","1") = "9"
    & skf18("6","10","9","4","7","2","1") = "9"
    & skf18("6","10","9","4","7","3","1") = "9"
    & skf18("6","10","9","4","7","4","1") = "9"
    & skf18("6","10","9","4","7","5","1") = "9"
    & skf18("6","10","9","4","7","6","1") = "9"
    & skf18("6","10","9","4","7","7","1") = "9"
    & skf18("6","10","9","4","7","8","1") = "9"
    & skf18("6","10","9","4","7","9","1") = "9"
    & skf18("6","10","9","4","7","10","1") = "9"
    & skf18("6","10","9","4","8","1","1") = "9"
    & skf18("6","10","9","4","8","2","1") = "9"
    & skf18("6","10","9","4","8","3","1") = "9"
    & skf18("6","10","9","4","8","4","1") = "9"
    & skf18("6","10","9","4","8","5","1") = "9"
    & skf18("6","10","9","4","8","6","1") = "9"
    & skf18("6","10","9","4","8","7","1") = "9"
    & skf18("6","10","9","4","8","8","1") = "9"
    & skf18("6","10","9","4","8","9","1") = "9"
    & skf18("6","10","9","4","8","10","1") = "9"
    & skf18("6","10","9","4","9","1","1") = "9"
    & skf18("6","10","9","4","9","2","1") = "9"
    & skf18("6","10","9","4","9","3","1") = "9"
    & skf18("6","10","9","4","9","4","1") = "9"
    & skf18("6","10","9","4","9","5","1") = "9"
    & skf18("6","10","9","4","9","6","1") = "9"
    & skf18("6","10","9","4","9","7","1") = "9"
    & skf18("6","10","9","4","9","8","1") = "9"
    & skf18("6","10","9","4","9","9","1") = "9"
    & skf18("6","10","9","4","9","10","1") = "9"
    & skf18("6","10","9","4","10","1","1") = "9"
    & skf18("6","10","9","4","10","2","1") = "9"
    & skf18("6","10","9","4","10","3","1") = "9"
    & skf18("6","10","9","4","10","4","1") = "9"
    & skf18("6","10","9","4","10","5","1") = "9"
    & skf18("6","10","9","4","10","6","1") = "9"
    & skf18("6","10","9","4","10","7","1") = "9"
    & skf18("6","10","9","4","10","8","1") = "9"
    & skf18("6","10","9","4","10","9","1") = "9"
    & skf18("6","10","9","4","10","10","1") = "9"
    & skf18("6","10","9","5","1","1","1") = "9"
    & skf18("6","10","9","5","1","2","1") = "9"
    & skf18("6","10","9","5","1","3","1") = "9"
    & skf18("6","10","9","5","1","4","1") = "9"
    & skf18("6","10","9","5","1","5","1") = "9"
    & skf18("6","10","9","5","1","6","1") = "9"
    & skf18("6","10","9","5","1","7","1") = "9"
    & skf18("6","10","9","5","1","8","1") = "9"
    & skf18("6","10","9","5","1","9","1") = "9"
    & skf18("6","10","9","5","1","10","1") = "9"
    & skf18("6","10","9","5","2","1","1") = "9"
    & skf18("6","10","9","5","2","2","1") = "9"
    & skf18("6","10","9","5","2","3","1") = "9"
    & skf18("6","10","9","5","2","4","1") = "9"
    & skf18("6","10","9","5","2","5","1") = "9"
    & skf18("6","10","9","5","2","6","1") = "9"
    & skf18("6","10","9","5","2","7","1") = "9"
    & skf18("6","10","9","5","2","8","1") = "9"
    & skf18("6","10","9","5","2","9","1") = "9"
    & skf18("6","10","9","5","2","10","1") = "9"
    & skf18("6","10","9","5","3","1","1") = "9"
    & skf18("6","10","9","5","3","2","1") = "9"
    & skf18("6","10","9","5","3","3","1") = "9"
    & skf18("6","10","9","5","3","4","1") = "9"
    & skf18("6","10","9","5","3","5","1") = "9"
    & skf18("6","10","9","5","3","6","1") = "9"
    & skf18("6","10","9","5","3","7","1") = "9"
    & skf18("6","10","9","5","3","8","1") = "9"
    & skf18("6","10","9","5","3","9","1") = "9"
    & skf18("6","10","9","5","3","10","1") = "9"
    & skf18("6","10","9","5","4","1","1") = "9"
    & skf18("6","10","9","5","4","2","1") = "9"
    & skf18("6","10","9","5","4","3","1") = "9"
    & skf18("6","10","9","5","4","4","1") = "9"
    & skf18("6","10","9","5","4","5","1") = "9"
    & skf18("6","10","9","5","4","6","1") = "9"
    & skf18("6","10","9","5","4","7","1") = "9"
    & skf18("6","10","9","5","4","8","1") = "9"
    & skf18("6","10","9","5","4","9","1") = "9"
    & skf18("6","10","9","5","4","10","1") = "9"
    & skf18("6","10","9","5","5","1","1") = "9"
    & skf18("6","10","9","5","5","2","1") = "9"
    & skf18("6","10","9","5","5","3","1") = "9"
    & skf18("6","10","9","5","5","4","1") = "9"
    & skf18("6","10","9","5","5","5","1") = "9"
    & skf18("6","10","9","5","5","6","1") = "9"
    & skf18("6","10","9","5","5","7","1") = "9"
    & skf18("6","10","9","5","5","8","1") = "9"
    & skf18("6","10","9","5","5","9","1") = "9"
    & skf18("6","10","9","5","5","10","1") = "9"
    & skf18("6","10","9","5","6","1","1") = "9"
    & skf18("6","10","9","5","6","2","1") = "9"
    & skf18("6","10","9","5","6","3","1") = "9"
    & skf18("6","10","9","5","6","4","1") = "9"
    & skf18("6","10","9","5","6","5","1") = "9"
    & skf18("6","10","9","5","6","6","1") = "9"
    & skf18("6","10","9","5","6","7","1") = "9"
    & skf18("6","10","9","5","6","8","1") = "9"
    & skf18("6","10","9","5","6","9","1") = "9"
    & skf18("6","10","9","5","6","10","1") = "9"
    & skf18("6","10","9","5","7","1","1") = "9"
    & skf18("6","10","9","5","7","2","1") = "9"
    & skf18("6","10","9","5","7","3","1") = "9"
    & skf18("6","10","9","5","7","4","1") = "9"
    & skf18("6","10","9","5","7","5","1") = "9"
    & skf18("6","10","9","5","7","6","1") = "9"
    & skf18("6","10","9","5","7","7","1") = "9"
    & skf18("6","10","9","5","7","8","1") = "9"
    & skf18("6","10","9","5","7","9","1") = "9"
    & skf18("6","10","9","5","7","10","1") = "9"
    & skf18("6","10","9","5","8","1","1") = "9"
    & skf18("6","10","9","5","8","2","1") = "9"
    & skf18("6","10","9","5","8","3","1") = "9"
    & skf18("6","10","9","5","8","4","1") = "9"
    & skf18("6","10","9","5","8","5","1") = "9"
    & skf18("6","10","9","5","8","6","1") = "9"
    & skf18("6","10","9","5","8","7","1") = "9"
    & skf18("6","10","9","5","8","8","1") = "9"
    & skf18("6","10","9","5","8","9","1") = "9"
    & skf18("6","10","9","5","8","10","1") = "9"
    & skf18("6","10","9","5","9","1","1") = "9"
    & skf18("6","10","9","5","9","2","1") = "9"
    & skf18("6","10","9","5","9","3","1") = "9"
    & skf18("6","10","9","5","9","4","1") = "9"
    & skf18("6","10","9","5","9","5","1") = "9"
    & skf18("6","10","9","5","9","6","1") = "9"
    & skf18("6","10","9","5","9","7","1") = "9"
    & skf18("6","10","9","5","9","8","1") = "9"
    & skf18("6","10","9","5","9","9","1") = "9"
    & skf18("6","10","9","5","9","10","1") = "9"
    & skf18("6","10","9","5","10","1","1") = "9"
    & skf18("6","10","9","5","10","2","1") = "9"
    & skf18("6","10","9","5","10","3","1") = "9"
    & skf18("6","10","9","5","10","4","1") = "9"
    & skf18("6","10","9","5","10","5","1") = "9"
    & skf18("6","10","9","5","10","6","1") = "9"
    & skf18("6","10","9","5","10","7","1") = "9"
    & skf18("6","10","9","5","10","8","1") = "9"
    & skf18("6","10","9","5","10","9","1") = "9"
    & skf18("6","10","9","5","10","10","1") = "9"
    & skf18("6","10","9","6","1","1","1") = "9"
    & skf18("6","10","9","6","1","2","1") = "9"
    & skf18("6","10","9","6","1","3","1") = "9"
    & skf18("6","10","9","6","1","4","1") = "9"
    & skf18("6","10","9","6","1","5","1") = "9"
    & skf18("6","10","9","6","1","6","1") = "9"
    & skf18("6","10","9","6","1","7","1") = "9"
    & skf18("6","10","9","6","1","8","1") = "9"
    & skf18("6","10","9","6","1","9","1") = "9"
    & skf18("6","10","9","6","1","10","1") = "9"
    & skf18("6","10","9","6","2","1","1") = "9"
    & skf18("6","10","9","6","2","2","1") = "9"
    & skf18("6","10","9","6","2","3","1") = "9"
    & skf18("6","10","9","6","2","4","1") = "9"
    & skf18("6","10","9","6","2","5","1") = "9"
    & skf18("6","10","9","6","2","6","1") = "9"
    & skf18("6","10","9","6","2","7","1") = "9"
    & skf18("6","10","9","6","2","8","1") = "9"
    & skf18("6","10","9","6","2","9","1") = "9"
    & skf18("6","10","9","6","2","10","1") = "9"
    & skf18("6","10","9","6","3","1","1") = "9"
    & skf18("6","10","9","6","3","2","1") = "9"
    & skf18("6","10","9","6","3","3","1") = "9"
    & skf18("6","10","9","6","3","4","1") = "9"
    & skf18("6","10","9","6","3","5","1") = "9"
    & skf18("6","10","9","6","3","6","1") = "9"
    & skf18("6","10","9","6","3","7","1") = "9"
    & skf18("6","10","9","6","3","8","1") = "9"
    & skf18("6","10","9","6","3","9","1") = "9"
    & skf18("6","10","9","6","3","10","1") = "9"
    & skf18("6","10","9","6","4","1","1") = "9"
    & skf18("6","10","9","6","4","2","1") = "9"
    & skf18("6","10","9","6","4","3","1") = "9"
    & skf18("6","10","9","6","4","4","1") = "9"
    & skf18("6","10","9","6","4","5","1") = "9"
    & skf18("6","10","9","6","4","6","1") = "9"
    & skf18("6","10","9","6","4","7","1") = "9"
    & skf18("6","10","9","6","4","8","1") = "9"
    & skf18("6","10","9","6","4","9","1") = "9"
    & skf18("6","10","9","6","4","10","1") = "9"
    & skf18("6","10","9","6","5","1","1") = "9"
    & skf18("6","10","9","6","5","2","1") = "9"
    & skf18("6","10","9","6","5","3","1") = "9"
    & skf18("6","10","9","6","5","4","1") = "9"
    & skf18("6","10","9","6","5","5","1") = "9"
    & skf18("6","10","9","6","5","6","1") = "9"
    & skf18("6","10","9","6","5","7","1") = "9"
    & skf18("6","10","9","6","5","8","1") = "9"
    & skf18("6","10","9","6","5","9","1") = "9"
    & skf18("6","10","9","6","5","10","1") = "9"
    & skf18("6","10","9","6","6","1","1") = "9"
    & skf18("6","10","9","6","6","2","1") = "9"
    & skf18("6","10","9","6","6","3","1") = "9"
    & skf18("6","10","9","6","6","4","1") = "9"
    & skf18("6","10","9","6","6","5","1") = "9"
    & skf18("6","10","9","6","6","6","1") = "9"
    & skf18("6","10","9","6","6","7","1") = "9"
    & skf18("6","10","9","6","6","8","1") = "9"
    & skf18("6","10","9","6","6","9","1") = "9"
    & skf18("6","10","9","6","6","10","1") = "9"
    & skf18("6","10","9","6","7","1","1") = "9"
    & skf18("6","10","9","6","7","2","1") = "9"
    & skf18("6","10","9","6","7","3","1") = "9"
    & skf18("6","10","9","6","7","4","1") = "9"
    & skf18("6","10","9","6","7","5","1") = "9"
    & skf18("6","10","9","6","7","6","1") = "9"
    & skf18("6","10","9","6","7","7","1") = "9"
    & skf18("6","10","9","6","7","8","1") = "9"
    & skf18("6","10","9","6","7","9","1") = "9"
    & skf18("6","10","9","6","7","10","1") = "9"
    & skf18("6","10","9","6","8","1","1") = "9"
    & skf18("6","10","9","6","8","2","1") = "9"
    & skf18("6","10","9","6","8","3","1") = "9"
    & skf18("6","10","9","6","8","4","1") = "9"
    & skf18("6","10","9","6","8","5","1") = "9"
    & skf18("6","10","9","6","8","6","1") = "9"
    & skf18("6","10","9","6","8","7","1") = "9"
    & skf18("6","10","9","6","8","8","1") = "9"
    & skf18("6","10","9","6","8","9","1") = "9"
    & skf18("6","10","9","6","8","10","1") = "9"
    & skf18("6","10","9","6","9","1","1") = "9"
    & skf18("6","10","9","6","9","2","1") = "9"
    & skf18("6","10","9","6","9","3","1") = "9"
    & skf18("6","10","9","6","9","4","1") = "9"
    & skf18("6","10","9","6","9","5","1") = "9"
    & skf18("6","10","9","6","9","6","1") = "9"
    & skf18("6","10","9","6","9","7","1") = "9"
    & skf18("6","10","9","6","9","8","1") = "9"
    & skf18("6","10","9","6","9","9","1") = "9"
    & skf18("6","10","9","6","9","10","1") = "9"
    & skf18("6","10","9","6","10","1","1") = "9"
    & skf18("6","10","9","6","10","2","1") = "9"
    & skf18("6","10","9","6","10","3","1") = "9"
    & skf18("6","10","9","6","10","4","1") = "9"
    & skf18("6","10","9","6","10","5","1") = "9"
    & skf18("6","10","9","6","10","6","1") = "9"
    & skf18("6","10","9","6","10","7","1") = "9"
    & skf18("6","10","9","6","10","8","1") = "9"
    & skf18("6","10","9","6","10","9","1") = "9"
    & skf18("6","10","9","6","10","10","1") = "9"
    & skf18("6","10","9","7","1","1","1") = "9"
    & skf18("6","10","9","7","1","2","1") = "9"
    & skf18("6","10","9","7","1","3","1") = "9"
    & skf18("6","10","9","7","1","4","1") = "9"
    & skf18("6","10","9","7","1","5","1") = "9"
    & skf18("6","10","9","7","1","6","1") = "9"
    & skf18("6","10","9","7","1","7","1") = "9"
    & skf18("6","10","9","7","1","8","1") = "9"
    & skf18("6","10","9","7","1","9","1") = "9"
    & skf18("6","10","9","7","1","10","1") = "9"
    & skf18("6","10","9","7","2","1","1") = "9"
    & skf18("6","10","9","7","2","2","1") = "9"
    & skf18("6","10","9","7","2","3","1") = "9"
    & skf18("6","10","9","7","2","4","1") = "9"
    & skf18("6","10","9","7","2","5","1") = "9"
    & skf18("6","10","9","7","2","6","1") = "9"
    & skf18("6","10","9","7","2","7","1") = "9"
    & skf18("6","10","9","7","2","8","1") = "9"
    & skf18("6","10","9","7","2","9","1") = "9"
    & skf18("6","10","9","7","2","10","1") = "9"
    & skf18("6","10","9","7","3","1","1") = "9"
    & skf18("6","10","9","7","3","2","1") = "9"
    & skf18("6","10","9","7","3","3","1") = "9"
    & skf18("6","10","9","7","3","4","1") = "9"
    & skf18("6","10","9","7","3","5","1") = "9"
    & skf18("6","10","9","7","3","6","1") = "9"
    & skf18("6","10","9","7","3","7","1") = "9"
    & skf18("6","10","9","7","3","8","1") = "9"
    & skf18("6","10","9","7","3","9","1") = "9"
    & skf18("6","10","9","7","3","10","1") = "9"
    & skf18("6","10","9","7","4","1","1") = "9"
    & skf18("6","10","9","7","4","2","1") = "9"
    & skf18("6","10","9","7","4","3","1") = "9"
    & skf18("6","10","9","7","4","4","1") = "9"
    & skf18("6","10","9","7","4","5","1") = "9"
    & skf18("6","10","9","7","4","6","1") = "9"
    & skf18("6","10","9","7","4","7","1") = "9"
    & skf18("6","10","9","7","4","8","1") = "9"
    & skf18("6","10","9","7","4","9","1") = "9"
    & skf18("6","10","9","7","4","10","1") = "9"
    & skf18("6","10","9","7","5","1","1") = "9"
    & skf18("6","10","9","7","5","2","1") = "9"
    & skf18("6","10","9","7","5","3","1") = "9"
    & skf18("6","10","9","7","5","4","1") = "9"
    & skf18("6","10","9","7","5","5","1") = "9"
    & skf18("6","10","9","7","5","6","1") = "9"
    & skf18("6","10","9","7","5","7","1") = "9"
    & skf18("6","10","9","7","5","8","1") = "9"
    & skf18("6","10","9","7","5","9","1") = "9"
    & skf18("6","10","9","7","5","10","1") = "9"
    & skf18("6","10","9","7","6","1","1") = "9"
    & skf18("6","10","9","7","6","2","1") = "9"
    & skf18("6","10","9","7","6","3","1") = "9"
    & skf18("6","10","9","7","6","4","1") = "9"
    & skf18("6","10","9","7","6","5","1") = "9"
    & skf18("6","10","9","7","6","6","1") = "9"
    & skf18("6","10","9","7","6","7","1") = "9"
    & skf18("6","10","9","7","6","8","1") = "9"
    & skf18("6","10","9","7","6","9","1") = "9"
    & skf18("6","10","9","7","6","10","1") = "9"
    & skf18("6","10","9","7","7","1","1") = "9"
    & skf18("6","10","9","7","7","2","1") = "9"
    & skf18("6","10","9","7","7","3","1") = "9"
    & skf18("6","10","9","7","7","4","1") = "9"
    & skf18("6","10","9","7","7","5","1") = "9"
    & skf18("6","10","9","7","7","6","1") = "9"
    & skf18("6","10","9","7","7","7","1") = "9"
    & skf18("6","10","9","7","7","8","1") = "9"
    & skf18("6","10","9","7","7","9","1") = "9"
    & skf18("6","10","9","7","7","10","1") = "9"
    & skf18("6","10","9","7","8","1","1") = "9"
    & skf18("6","10","9","7","8","2","1") = "9"
    & skf18("6","10","9","7","8","3","1") = "9"
    & skf18("6","10","9","7","8","4","1") = "9"
    & skf18("6","10","9","7","8","5","1") = "9"
    & skf18("6","10","9","7","8","6","1") = "9"
    & skf18("6","10","9","7","8","7","1") = "9"
    & skf18("6","10","9","7","8","8","1") = "9"
    & skf18("6","10","9","7","8","9","1") = "9"
    & skf18("6","10","9","7","8","10","1") = "9"
    & skf18("6","10","9","7","9","1","1") = "9"
    & skf18("6","10","9","7","9","2","1") = "9"
    & skf18("6","10","9","7","9","3","1") = "9"
    & skf18("6","10","9","7","9","4","1") = "9"
    & skf18("6","10","9","7","9","5","1") = "9"
    & skf18("6","10","9","7","9","6","1") = "9"
    & skf18("6","10","9","7","9","7","1") = "9"
    & skf18("6","10","9","7","9","8","1") = "9"
    & skf18("6","10","9","7","9","9","1") = "9"
    & skf18("6","10","9","7","9","10","1") = "9"
    & skf18("6","10","9","7","10","1","1") = "9"
    & skf18("6","10","9","7","10","2","1") = "9"
    & skf18("6","10","9","7","10","3","1") = "9"
    & skf18("6","10","9","7","10","4","1") = "9"
    & skf18("6","10","9","7","10","5","1") = "9"
    & skf18("6","10","9","7","10","6","1") = "9"
    & skf18("6","10","9","7","10","7","1") = "9"
    & skf18("6","10","9","7","10","8","1") = "9"
    & skf18("6","10","9","7","10","9","1") = "9"
    & skf18("6","10","9","7","10","10","1") = "9"
    & skf18("6","10","9","8","1","1","1") = "9"
    & skf18("6","10","9","8","1","2","1") = "9"
    & skf18("6","10","9","8","1","3","1") = "9"
    & skf18("6","10","9","8","1","4","1") = "9"
    & skf18("6","10","9","8","1","5","1") = "9"
    & skf18("6","10","9","8","1","6","1") = "9"
    & skf18("6","10","9","8","1","7","1") = "9"
    & skf18("6","10","9","8","1","8","1") = "9"
    & skf18("6","10","9","8","1","9","1") = "9"
    & skf18("6","10","9","8","1","10","1") = "9"
    & skf18("6","10","9","8","2","1","1") = "9"
    & skf18("6","10","9","8","2","2","1") = "9"
    & skf18("6","10","9","8","2","3","1") = "9"
    & skf18("6","10","9","8","2","4","1") = "9"
    & skf18("6","10","9","8","2","5","1") = "9"
    & skf18("6","10","9","8","2","6","1") = "9"
    & skf18("6","10","9","8","2","7","1") = "9"
    & skf18("6","10","9","8","2","8","1") = "9"
    & skf18("6","10","9","8","2","9","1") = "9"
    & skf18("6","10","9","8","2","10","1") = "9"
    & skf18("6","10","9","8","3","1","1") = "9"
    & skf18("6","10","9","8","3","2","1") = "9"
    & skf18("6","10","9","8","3","3","1") = "9"
    & skf18("6","10","9","8","3","4","1") = "9"
    & skf18("6","10","9","8","3","5","1") = "9"
    & skf18("6","10","9","8","3","6","1") = "9"
    & skf18("6","10","9","8","3","7","1") = "9"
    & skf18("6","10","9","8","3","8","1") = "9"
    & skf18("6","10","9","8","3","9","1") = "9"
    & skf18("6","10","9","8","3","10","1") = "9"
    & skf18("6","10","9","8","4","1","1") = "9"
    & skf18("6","10","9","8","4","2","1") = "9"
    & skf18("6","10","9","8","4","3","1") = "9"
    & skf18("6","10","9","8","4","4","1") = "9"
    & skf18("6","10","9","8","4","5","1") = "9"
    & skf18("6","10","9","8","4","6","1") = "9"
    & skf18("6","10","9","8","4","7","1") = "9"
    & skf18("6","10","9","8","4","8","1") = "9"
    & skf18("6","10","9","8","4","9","1") = "9"
    & skf18("6","10","9","8","4","10","1") = "9"
    & skf18("6","10","9","8","5","1","1") = "9"
    & skf18("6","10","9","8","5","2","1") = "9"
    & skf18("6","10","9","8","5","3","1") = "9"
    & skf18("6","10","9","8","5","4","1") = "9"
    & skf18("6","10","9","8","5","5","1") = "9"
    & skf18("6","10","9","8","5","6","1") = "9"
    & skf18("6","10","9","8","5","7","1") = "9"
    & skf18("6","10","9","8","5","8","1") = "9"
    & skf18("6","10","9","8","5","9","1") = "9"
    & skf18("6","10","9","8","5","10","1") = "9"
    & skf18("6","10","9","8","6","1","1") = "9"
    & skf18("6","10","9","8","6","2","1") = "9"
    & skf18("6","10","9","8","6","3","1") = "9"
    & skf18("6","10","9","8","6","4","1") = "9"
    & skf18("6","10","9","8","6","5","1") = "9"
    & skf18("6","10","9","8","6","6","1") = "9"
    & skf18("6","10","9","8","6","7","1") = "9"
    & skf18("6","10","9","8","6","8","1") = "9"
    & skf18("6","10","9","8","6","9","1") = "9"
    & skf18("6","10","9","8","6","10","1") = "9"
    & skf18("6","10","9","8","7","1","1") = "9"
    & skf18("6","10","9","8","7","2","1") = "9"
    & skf18("6","10","9","8","7","3","1") = "9"
    & skf18("6","10","9","8","7","4","1") = "9"
    & skf18("6","10","9","8","7","5","1") = "9"
    & skf18("6","10","9","8","7","6","1") = "9"
    & skf18("6","10","9","8","7","7","1") = "9"
    & skf18("6","10","9","8","7","8","1") = "9"
    & skf18("6","10","9","8","7","9","1") = "9"
    & skf18("6","10","9","8","7","10","1") = "9"
    & skf18("6","10","9","8","8","1","1") = "9"
    & skf18("6","10","9","8","8","2","1") = "9"
    & skf18("6","10","9","8","8","3","1") = "9"
    & skf18("6","10","9","8","8","4","1") = "9"
    & skf18("6","10","9","8","8","5","1") = "9"
    & skf18("6","10","9","8","8","6","1") = "9"
    & skf18("6","10","9","8","8","7","1") = "9"
    & skf18("6","10","9","8","8","8","1") = "9"
    & skf18("6","10","9","8","8","9","1") = "9"
    & skf18("6","10","9","8","8","10","1") = "9"
    & skf18("6","10","9","8","9","1","1") = "9"
    & skf18("6","10","9","8","9","2","1") = "9"
    & skf18("6","10","9","8","9","3","1") = "9"
    & skf18("6","10","9","8","9","4","1") = "9"
    & skf18("6","10","9","8","9","5","1") = "9"
    & skf18("6","10","9","8","9","6","1") = "9"
    & skf18("6","10","9","8","9","7","1") = "9"
    & skf18("6","10","9","8","9","8","1") = "9"
    & skf18("6","10","9","8","9","9","1") = "9"
    & skf18("6","10","9","8","9","10","1") = "9"
    & skf18("6","10","9","8","10","1","1") = "9"
    & skf18("6","10","9","8","10","2","1") = "9"
    & skf18("6","10","9","8","10","3","1") = "9"
    & skf18("6","10","9","8","10","4","1") = "9"
    & skf18("6","10","9","8","10","5","1") = "9"
    & skf18("6","10","9","8","10","6","1") = "9"
    & skf18("6","10","9","8","10","7","1") = "9"
    & skf18("6","10","9","8","10","8","1") = "9"
    & skf18("6","10","9","8","10","9","1") = "9"
    & skf18("6","10","9","8","10","10","1") = "9"
    & skf18("6","10","9","9","1","1","1") = "9"
    & skf18("6","10","9","9","1","2","1") = "9"
    & skf18("6","10","9","9","1","3","1") = "9"
    & skf18("6","10","9","9","1","4","1") = "9"
    & skf18("6","10","9","9","1","5","1") = "9"
    & skf18("6","10","9","9","1","6","1") = "9"
    & skf18("6","10","9","9","1","7","1") = "9"
    & skf18("6","10","9","9","1","8","1") = "9"
    & skf18("6","10","9","9","1","9","1") = "9"
    & skf18("6","10","9","9","1","10","1") = "9"
    & skf18("6","10","9","9","2","1","1") = "9"
    & skf18("6","10","9","9","2","2","1") = "9"
    & skf18("6","10","9","9","2","3","1") = "9"
    & skf18("6","10","9","9","2","4","1") = "9"
    & skf18("6","10","9","9","2","5","1") = "9"
    & skf18("6","10","9","9","2","6","1") = "9"
    & skf18("6","10","9","9","2","7","1") = "9"
    & skf18("6","10","9","9","2","8","1") = "9"
    & skf18("6","10","9","9","2","9","1") = "9"
    & skf18("6","10","9","9","2","10","1") = "9"
    & skf18("6","10","9","9","3","1","1") = "9"
    & skf18("6","10","9","9","3","2","1") = "9"
    & skf18("6","10","9","9","3","3","1") = "9"
    & skf18("6","10","9","9","3","4","1") = "9"
    & skf18("6","10","9","9","3","5","1") = "9"
    & skf18("6","10","9","9","3","6","1") = "9"
    & skf18("6","10","9","9","3","7","1") = "9"
    & skf18("6","10","9","9","3","8","1") = "9"
    & skf18("6","10","9","9","3","9","1") = "9"
    & skf18("6","10","9","9","3","10","1") = "9"
    & skf18("6","10","9","9","4","1","1") = "9"
    & skf18("6","10","9","9","4","2","1") = "9"
    & skf18("6","10","9","9","4","3","1") = "9"
    & skf18("6","10","9","9","4","4","1") = "9"
    & skf18("6","10","9","9","4","5","1") = "9"
    & skf18("6","10","9","9","4","6","1") = "9"
    & skf18("6","10","9","9","4","7","1") = "9"
    & skf18("6","10","9","9","4","8","1") = "9"
    & skf18("6","10","9","9","4","9","1") = "9"
    & skf18("6","10","9","9","4","10","1") = "9"
    & skf18("6","10","9","9","5","1","1") = "9"
    & skf18("6","10","9","9","5","2","1") = "9"
    & skf18("6","10","9","9","5","3","1") = "9"
    & skf18("6","10","9","9","5","4","1") = "9"
    & skf18("6","10","9","9","5","5","1") = "9"
    & skf18("6","10","9","9","5","6","1") = "9"
    & skf18("6","10","9","9","5","7","1") = "9"
    & skf18("6","10","9","9","5","8","1") = "9"
    & skf18("6","10","9","9","5","9","1") = "9"
    & skf18("6","10","9","9","5","10","1") = "9"
    & skf18("6","10","9","9","6","1","1") = "9"
    & skf18("6","10","9","9","6","2","1") = "9"
    & skf18("6","10","9","9","6","3","1") = "9"
    & skf18("6","10","9","9","6","4","1") = "9"
    & skf18("6","10","9","9","6","5","1") = "9"
    & skf18("6","10","9","9","6","6","1") = "9"
    & skf18("6","10","9","9","6","7","1") = "9"
    & skf18("6","10","9","9","6","8","1") = "9"
    & skf18("6","10","9","9","6","9","1") = "9"
    & skf18("6","10","9","9","6","10","1") = "9"
    & skf18("6","10","9","9","7","1","1") = "9"
    & skf18("6","10","9","9","7","2","1") = "9"
    & skf18("6","10","9","9","7","3","1") = "9"
    & skf18("6","10","9","9","7","4","1") = "9"
    & skf18("6","10","9","9","7","5","1") = "9"
    & skf18("6","10","9","9","7","6","1") = "9"
    & skf18("6","10","9","9","7","7","1") = "9"
    & skf18("6","10","9","9","7","8","1") = "9"
    & skf18("6","10","9","9","7","9","1") = "9"
    & skf18("6","10","9","9","7","10","1") = "9"
    & skf18("6","10","9","9","8","1","1") = "9"
    & skf18("6","10","9","9","8","2","1") = "9"
    & skf18("6","10","9","9","8","3","1") = "9"
    & skf18("6","10","9","9","8","4","1") = "9"
    & skf18("6","10","9","9","8","5","1") = "9"
    & skf18("6","10","9","9","8","6","1") = "9"
    & skf18("6","10","9","9","8","7","1") = "9"
    & skf18("6","10","9","9","8","8","1") = "9"
    & skf18("6","10","9","9","8","9","1") = "9"
    & skf18("6","10","9","9","8","10","1") = "9"
    & skf18("6","10","9","9","9","1","1") = "9"
    & skf18("6","10","9","9","9","2","1") = "9"
    & skf18("6","10","9","9","9","3","1") = "9"
    & skf18("6","10","9","9","9","4","1") = "9"
    & skf18("6","10","9","9","9","5","1") = "9"
    & skf18("6","10","9","9","9","6","1") = "9"
    & skf18("6","10","9","9","9","7","1") = "9"
    & skf18("6","10","9","9","9","8","1") = "9"
    & skf18("6","10","9","9","9","9","1") = "9"
    & skf18("6","10","9","9","9","10","1") = "9"
    & skf18("6","10","9","9","10","1","1") = "9"
    & skf18("6","10","9","9","10","2","1") = "9"
    & skf18("6","10","9","9","10","3","1") = "9"
    & skf18("6","10","9","9","10","4","1") = "9"
    & skf18("6","10","9","9","10","5","1") = "9"
    & skf18("6","10","9","9","10","6","1") = "9"
    & skf18("6","10","9","9","10","7","1") = "9"
    & skf18("6","10","9","9","10","8","1") = "9"
    & skf18("6","10","9","9","10","9","1") = "9"
    & skf18("6","10","9","9","10","10","1") = "9"
    & skf18("6","10","9","10","1","1","1") = "9"
    & skf18("6","10","9","10","1","2","1") = "9"
    & skf18("6","10","9","10","1","3","1") = "9"
    & skf18("6","10","9","10","1","4","1") = "9"
    & skf18("6","10","9","10","1","5","1") = "9"
    & skf18("6","10","9","10","1","6","1") = "9"
    & skf18("6","10","9","10","1","7","1") = "9"
    & skf18("6","10","9","10","1","8","1") = "9"
    & skf18("6","10","9","10","1","9","1") = "9"
    & skf18("6","10","9","10","1","10","1") = "9"
    & skf18("6","10","9","10","2","1","1") = "9"
    & skf18("6","10","9","10","2","2","1") = "9"
    & skf18("6","10","9","10","2","3","1") = "9"
    & skf18("6","10","9","10","2","4","1") = "9"
    & skf18("6","10","9","10","2","5","1") = "9"
    & skf18("6","10","9","10","2","6","1") = "9"
    & skf18("6","10","9","10","2","7","1") = "9"
    & skf18("6","10","9","10","2","8","1") = "9"
    & skf18("6","10","9","10","2","9","1") = "9"
    & skf18("6","10","9","10","2","10","1") = "9"
    & skf18("6","10","9","10","3","1","1") = "9"
    & skf18("6","10","9","10","3","2","1") = "9"
    & skf18("6","10","9","10","3","3","1") = "9"
    & skf18("6","10","9","10","3","4","1") = "9"
    & skf18("6","10","9","10","3","5","1") = "9"
    & skf18("6","10","9","10","3","6","1") = "9"
    & skf18("6","10","9","10","3","7","1") = "9"
    & skf18("6","10","9","10","3","8","1") = "9"
    & skf18("6","10","9","10","3","9","1") = "9"
    & skf18("6","10","9","10","3","10","1") = "9"
    & skf18("6","10","9","10","4","1","1") = "9"
    & skf18("6","10","9","10","4","2","1") = "9"
    & skf18("6","10","9","10","4","3","1") = "9"
    & skf18("6","10","9","10","4","4","1") = "9"
    & skf18("6","10","9","10","4","5","1") = "9"
    & skf18("6","10","9","10","4","6","1") = "9"
    & skf18("6","10","9","10","4","7","1") = "9"
    & skf18("6","10","9","10","4","8","1") = "9"
    & skf18("6","10","9","10","4","9","1") = "9"
    & skf18("6","10","9","10","4","10","1") = "9"
    & skf18("6","10","9","10","5","1","1") = "9"
    & skf18("6","10","9","10","5","2","1") = "9"
    & skf18("6","10","9","10","5","3","1") = "9"
    & skf18("6","10","9","10","5","4","1") = "9"
    & skf18("6","10","9","10","5","5","1") = "9"
    & skf18("6","10","9","10","5","6","1") = "9"
    & skf18("6","10","9","10","5","7","1") = "9"
    & skf18("6","10","9","10","5","8","1") = "9"
    & skf18("6","10","9","10","5","9","1") = "9"
    & skf18("6","10","9","10","5","10","1") = "9"
    & skf18("6","10","9","10","6","1","1") = "9"
    & skf18("6","10","9","10","6","2","1") = "9"
    & skf18("6","10","9","10","6","3","1") = "9"
    & skf18("6","10","9","10","6","4","1") = "9"
    & skf18("6","10","9","10","6","5","1") = "9"
    & skf18("6","10","9","10","6","6","1") = "9"
    & skf18("6","10","9","10","6","7","1") = "9"
    & skf18("6","10","9","10","6","8","1") = "9"
    & skf18("6","10","9","10","6","9","1") = "9"
    & skf18("6","10","9","10","6","10","1") = "9"
    & skf18("6","10","9","10","7","1","1") = "9"
    & skf18("6","10","9","10","7","2","1") = "9"
    & skf18("6","10","9","10","7","3","1") = "9"
    & skf18("6","10","9","10","7","4","1") = "9"
    & skf18("6","10","9","10","7","5","1") = "9"
    & skf18("6","10","9","10","7","6","1") = "9"
    & skf18("6","10","9","10","7","7","1") = "9"
    & skf18("6","10","9","10","7","8","1") = "9"
    & skf18("6","10","9","10","7","9","1") = "9"
    & skf18("6","10","9","10","7","10","1") = "9"
    & skf18("6","10","9","10","8","1","1") = "9"
    & skf18("6","10","9","10","8","2","1") = "9"
    & skf18("6","10","9","10","8","3","1") = "9"
    & skf18("6","10","9","10","8","4","1") = "9"
    & skf18("6","10","9","10","8","5","1") = "9"
    & skf18("6","10","9","10","8","6","1") = "9"
    & skf18("6","10","9","10","8","7","1") = "9"
    & skf18("6","10","9","10","8","8","1") = "9"
    & skf18("6","10","9","10","8","9","1") = "9"
    & skf18("6","10","9","10","8","10","1") = "9"
    & skf18("6","10","9","10","9","1","1") = "9"
    & skf18("6","10","9","10","9","2","1") = "9"
    & skf18("6","10","9","10","9","3","1") = "9"
    & skf18("6","10","9","10","9","4","1") = "9"
    & skf18("6","10","9","10","9","5","1") = "9"
    & skf18("6","10","9","10","9","6","1") = "9"
    & skf18("6","10","9","10","9","7","1") = "9"
    & skf18("6","10","9","10","9","8","1") = "9"
    & skf18("6","10","9","10","9","9","1") = "9"
    & skf18("6","10","9","10","9","10","1") = "9"
    & skf18("6","10","9","10","10","1","1") = "9"
    & skf18("6","10","9","10","10","2","1") = "9"
    & skf18("6","10","9","10","10","3","1") = "9"
    & skf18("6","10","9","10","10","4","1") = "9"
    & skf18("6","10","9","10","10","5","1") = "9"
    & skf18("6","10","9","10","10","6","1") = "9"
    & skf18("6","10","9","10","10","7","1") = "9"
    & skf18("6","10","9","10","10","8","1") = "9"
    & skf18("6","10","9","10","10","9","1") = "9"
    & skf18("6","10","9","10","10","10","1") = "9"
    & skf18("6","10","10","1","1","1","1") = "9"
    & skf18("6","10","10","1","1","2","1") = "9"
    & skf18("6","10","10","1","1","3","1") = "9"
    & skf18("6","10","10","1","1","4","1") = "9"
    & skf18("6","10","10","1","1","5","1") = "9"
    & skf18("6","10","10","1","1","6","1") = "9"
    & skf18("6","10","10","1","1","7","1") = "9"
    & skf18("6","10","10","1","1","8","1") = "9"
    & skf18("6","10","10","1","1","9","1") = "9"
    & skf18("6","10","10","1","1","10","1") = "9"
    & skf18("6","10","10","1","2","1","1") = "9"
    & skf18("6","10","10","1","2","2","1") = "9"
    & skf18("6","10","10","1","2","3","1") = "9"
    & skf18("6","10","10","1","2","4","1") = "9"
    & skf18("6","10","10","1","2","5","1") = "9"
    & skf18("6","10","10","1","2","6","1") = "9"
    & skf18("6","10","10","1","2","7","1") = "9"
    & skf18("6","10","10","1","2","8","1") = "9"
    & skf18("6","10","10","1","2","9","1") = "9"
    & skf18("6","10","10","1","2","10","1") = "9"
    & skf18("6","10","10","1","3","1","1") = "9"
    & skf18("6","10","10","1","3","2","1") = "9"
    & skf18("6","10","10","1","3","3","1") = "9"
    & skf18("6","10","10","1","3","4","1") = "9"
    & skf18("6","10","10","1","3","5","1") = "9"
    & skf18("6","10","10","1","3","6","1") = "9"
    & skf18("6","10","10","1","3","7","1") = "9"
    & skf18("6","10","10","1","3","8","1") = "9"
    & skf18("6","10","10","1","3","9","1") = "9"
    & skf18("6","10","10","1","3","10","1") = "9"
    & skf18("6","10","10","1","4","1","1") = "9"
    & skf18("6","10","10","1","4","2","1") = "9"
    & skf18("6","10","10","1","4","3","1") = "9"
    & skf18("6","10","10","1","4","4","1") = "9"
    & skf18("6","10","10","1","4","5","1") = "9"
    & skf18("6","10","10","1","4","6","1") = "9"
    & skf18("6","10","10","1","4","7","1") = "9"
    & skf18("6","10","10","1","4","8","1") = "9"
    & skf18("6","10","10","1","4","9","1") = "9"
    & skf18("6","10","10","1","4","10","1") = "9"
    & skf18("6","10","10","1","5","1","1") = "9"
    & skf18("6","10","10","1","5","2","1") = "9"
    & skf18("6","10","10","1","5","3","1") = "9"
    & skf18("6","10","10","1","5","4","1") = "9"
    & skf18("6","10","10","1","5","5","1") = "9"
    & skf18("6","10","10","1","5","6","1") = "9"
    & skf18("6","10","10","1","5","7","1") = "9"
    & skf18("6","10","10","1","5","8","1") = "9"
    & skf18("6","10","10","1","5","9","1") = "9"
    & skf18("6","10","10","1","5","10","1") = "9"
    & skf18("6","10","10","1","6","1","1") = "9"
    & skf18("6","10","10","1","6","2","1") = "9"
    & skf18("6","10","10","1","6","3","1") = "9"
    & skf18("6","10","10","1","6","4","1") = "9"
    & skf18("6","10","10","1","6","5","1") = "9"
    & skf18("6","10","10","1","6","6","1") = "9"
    & skf18("6","10","10","1","6","7","1") = "9"
    & skf18("6","10","10","1","6","8","1") = "9"
    & skf18("6","10","10","1","6","9","1") = "9"
    & skf18("6","10","10","1","6","10","1") = "9"
    & skf18("6","10","10","1","7","1","1") = "9"
    & skf18("6","10","10","1","7","2","1") = "9"
    & skf18("6","10","10","1","7","3","1") = "9"
    & skf18("6","10","10","1","7","4","1") = "9"
    & skf18("6","10","10","1","7","5","1") = "9"
    & skf18("6","10","10","1","7","6","1") = "9"
    & skf18("6","10","10","1","7","7","1") = "9"
    & skf18("6","10","10","1","7","8","1") = "9"
    & skf18("6","10","10","1","7","9","1") = "9"
    & skf18("6","10","10","1","7","10","1") = "9"
    & skf18("6","10","10","1","8","1","1") = "9"
    & skf18("6","10","10","1","8","2","1") = "9"
    & skf18("6","10","10","1","8","3","1") = "9"
    & skf18("6","10","10","1","8","4","1") = "9"
    & skf18("6","10","10","1","8","5","1") = "9"
    & skf18("6","10","10","1","8","6","1") = "9"
    & skf18("6","10","10","1","8","7","1") = "9"
    & skf18("6","10","10","1","8","8","1") = "9"
    & skf18("6","10","10","1","8","9","1") = "9"
    & skf18("6","10","10","1","8","10","1") = "9"
    & skf18("6","10","10","1","9","1","1") = "9"
    & skf18("6","10","10","1","9","2","1") = "9"
    & skf18("6","10","10","1","9","3","1") = "9"
    & skf18("6","10","10","1","9","4","1") = "9"
    & skf18("6","10","10","1","9","5","1") = "9"
    & skf18("6","10","10","1","9","6","1") = "9"
    & skf18("6","10","10","1","9","7","1") = "9"
    & skf18("6","10","10","1","9","8","1") = "9"
    & skf18("6","10","10","1","9","9","1") = "9"
    & skf18("6","10","10","1","9","10","1") = "9"
    & skf18("6","10","10","1","10","1","1") = "9"
    & skf18("6","10","10","1","10","2","1") = "9"
    & skf18("6","10","10","1","10","3","1") = "9"
    & skf18("6","10","10","1","10","4","1") = "9"
    & skf18("6","10","10","1","10","5","1") = "9"
    & skf18("6","10","10","1","10","6","1") = "9"
    & skf18("6","10","10","1","10","7","1") = "9"
    & skf18("6","10","10","1","10","8","1") = "9"
    & skf18("6","10","10","1","10","9","1") = "9"
    & skf18("6","10","10","1","10","10","1") = "9"
    & skf18("6","10","10","2","1","1","1") = "9"
    & skf18("6","10","10","2","1","2","1") = "9"
    & skf18("6","10","10","2","1","3","1") = "9"
    & skf18("6","10","10","2","1","4","1") = "9"
    & skf18("6","10","10","2","1","5","1") = "9"
    & skf18("6","10","10","2","1","6","1") = "9"
    & skf18("6","10","10","2","1","7","1") = "9"
    & skf18("6","10","10","2","1","8","1") = "9"
    & skf18("6","10","10","2","1","9","1") = "9"
    & skf18("6","10","10","2","1","10","1") = "9"
    & skf18("6","10","10","2","2","1","1") = "9"
    & skf18("6","10","10","2","2","2","1") = "9"
    & skf18("6","10","10","2","2","3","1") = "9"
    & skf18("6","10","10","2","2","4","1") = "9"
    & skf18("6","10","10","2","2","5","1") = "9"
    & skf18("6","10","10","2","2","6","1") = "9"
    & skf18("6","10","10","2","2","7","1") = "9"
    & skf18("6","10","10","2","2","8","1") = "9"
    & skf18("6","10","10","2","2","9","1") = "9"
    & skf18("6","10","10","2","2","10","1") = "9"
    & skf18("6","10","10","2","3","1","1") = "9"
    & skf18("6","10","10","2","3","2","1") = "9"
    & skf18("6","10","10","2","3","3","1") = "9"
    & skf18("6","10","10","2","3","4","1") = "9"
    & skf18("6","10","10","2","3","5","1") = "9"
    & skf18("6","10","10","2","3","6","1") = "9"
    & skf18("6","10","10","2","3","7","1") = "9"
    & skf18("6","10","10","2","3","8","1") = "9"
    & skf18("6","10","10","2","3","9","1") = "9"
    & skf18("6","10","10","2","3","10","1") = "9"
    & skf18("6","10","10","2","4","1","1") = "9"
    & skf18("6","10","10","2","4","2","1") = "9"
    & skf18("6","10","10","2","4","3","1") = "9"
    & skf18("6","10","10","2","4","4","1") = "9"
    & skf18("6","10","10","2","4","5","1") = "9"
    & skf18("6","10","10","2","4","6","1") = "9"
    & skf18("6","10","10","2","4","7","1") = "9"
    & skf18("6","10","10","2","4","8","1") = "9"
    & skf18("6","10","10","2","4","9","1") = "9"
    & skf18("6","10","10","2","4","10","1") = "9"
    & skf18("6","10","10","2","5","1","1") = "9"
    & skf18("6","10","10","2","5","2","1") = "9"
    & skf18("6","10","10","2","5","3","1") = "9"
    & skf18("6","10","10","2","5","4","1") = "9"
    & skf18("6","10","10","2","5","5","1") = "9"
    & skf18("6","10","10","2","5","6","1") = "9"
    & skf18("6","10","10","2","5","7","1") = "9"
    & skf18("6","10","10","2","5","8","1") = "9"
    & skf18("6","10","10","2","5","9","1") = "9"
    & skf18("6","10","10","2","5","10","1") = "9"
    & skf18("6","10","10","2","6","1","1") = "9"
    & skf18("6","10","10","2","6","2","1") = "9"
    & skf18("6","10","10","2","6","3","1") = "9"
    & skf18("6","10","10","2","6","4","1") = "9"
    & skf18("6","10","10","2","6","5","1") = "9"
    & skf18("6","10","10","2","6","6","1") = "9"
    & skf18("6","10","10","2","6","7","1") = "9"
    & skf18("6","10","10","2","6","8","1") = "9"
    & skf18("6","10","10","2","6","9","1") = "9"
    & skf18("6","10","10","2","6","10","1") = "9"
    & skf18("6","10","10","2","7","1","1") = "9"
    & skf18("6","10","10","2","7","2","1") = "9"
    & skf18("6","10","10","2","7","3","1") = "9"
    & skf18("6","10","10","2","7","4","1") = "9"
    & skf18("6","10","10","2","7","5","1") = "9"
    & skf18("6","10","10","2","7","6","1") = "9"
    & skf18("6","10","10","2","7","7","1") = "9"
    & skf18("6","10","10","2","7","8","1") = "9"
    & skf18("6","10","10","2","7","9","1") = "9"
    & skf18("6","10","10","2","7","10","1") = "9"
    & skf18("6","10","10","2","8","1","1") = "9"
    & skf18("6","10","10","2","8","2","1") = "9"
    & skf18("6","10","10","2","8","3","1") = "9"
    & skf18("6","10","10","2","8","4","1") = "9"
    & skf18("6","10","10","2","8","5","1") = "9"
    & skf18("6","10","10","2","8","6","1") = "9"
    & skf18("6","10","10","2","8","7","1") = "9"
    & skf18("6","10","10","2","8","8","1") = "9"
    & skf18("6","10","10","2","8","9","1") = "9"
    & skf18("6","10","10","2","8","10","1") = "9"
    & skf18("6","10","10","2","9","1","1") = "9"
    & skf18("6","10","10","2","9","2","1") = "9"
    & skf18("6","10","10","2","9","3","1") = "9"
    & skf18("6","10","10","2","9","4","1") = "9"
    & skf18("6","10","10","2","9","5","1") = "9"
    & skf18("6","10","10","2","9","6","1") = "9"
    & skf18("6","10","10","2","9","7","1") = "9"
    & skf18("6","10","10","2","9","8","1") = "9"
    & skf18("6","10","10","2","9","9","1") = "9"
    & skf18("6","10","10","2","9","10","1") = "9"
    & skf18("6","10","10","2","10","1","1") = "9"
    & skf18("6","10","10","2","10","2","1") = "9"
    & skf18("6","10","10","2","10","3","1") = "9"
    & skf18("6","10","10","2","10","4","1") = "9"
    & skf18("6","10","10","2","10","5","1") = "9"
    & skf18("6","10","10","2","10","6","1") = "9"
    & skf18("6","10","10","2","10","7","1") = "9"
    & skf18("6","10","10","2","10","8","1") = "9"
    & skf18("6","10","10","2","10","9","1") = "9"
    & skf18("6","10","10","2","10","10","1") = "9"
    & skf18("6","10","10","3","1","1","1") = "9"
    & skf18("6","10","10","3","1","2","1") = "9"
    & skf18("6","10","10","3","1","3","1") = "9"
    & skf18("6","10","10","3","1","4","1") = "9"
    & skf18("6","10","10","3","1","5","1") = "9"
    & skf18("6","10","10","3","1","6","1") = "9"
    & skf18("6","10","10","3","1","7","1") = "9"
    & skf18("6","10","10","3","1","8","1") = "9"
    & skf18("6","10","10","3","1","9","1") = "9"
    & skf18("6","10","10","3","1","10","1") = "9"
    & skf18("6","10","10","3","2","1","1") = "9"
    & skf18("6","10","10","3","2","2","1") = "9"
    & skf18("6","10","10","3","2","3","1") = "9"
    & skf18("6","10","10","3","2","4","1") = "9"
    & skf18("6","10","10","3","2","5","1") = "9"
    & skf18("6","10","10","3","2","6","1") = "9"
    & skf18("6","10","10","3","2","7","1") = "9"
    & skf18("6","10","10","3","2","8","1") = "9"
    & skf18("6","10","10","3","2","9","1") = "9"
    & skf18("6","10","10","3","2","10","1") = "9"
    & skf18("6","10","10","3","3","1","1") = "9"
    & skf18("6","10","10","3","3","2","1") = "9"
    & skf18("6","10","10","3","3","3","1") = "9"
    & skf18("6","10","10","3","3","4","1") = "9"
    & skf18("6","10","10","3","3","5","1") = "9"
    & skf18("6","10","10","3","3","6","1") = "9"
    & skf18("6","10","10","3","3","7","1") = "9"
    & skf18("6","10","10","3","3","8","1") = "9"
    & skf18("6","10","10","3","3","9","1") = "9"
    & skf18("6","10","10","3","3","10","1") = "9"
    & skf18("6","10","10","3","4","1","1") = "9"
    & skf18("6","10","10","3","4","2","1") = "9"
    & skf18("6","10","10","3","4","3","1") = "9"
    & skf18("6","10","10","3","4","4","1") = "9"
    & skf18("6","10","10","3","4","5","1") = "9"
    & skf18("6","10","10","3","4","6","1") = "9"
    & skf18("6","10","10","3","4","7","1") = "9"
    & skf18("6","10","10","3","4","8","1") = "9"
    & skf18("6","10","10","3","4","9","1") = "9"
    & skf18("6","10","10","3","4","10","1") = "9"
    & skf18("6","10","10","3","5","1","1") = "9"
    & skf18("6","10","10","3","5","2","1") = "9"
    & skf18("6","10","10","3","5","3","1") = "9"
    & skf18("6","10","10","3","5","4","1") = "9"
    & skf18("6","10","10","3","5","5","1") = "9"
    & skf18("6","10","10","3","5","6","1") = "9"
    & skf18("6","10","10","3","5","7","1") = "9"
    & skf18("6","10","10","3","5","8","1") = "9"
    & skf18("6","10","10","3","5","9","1") = "9"
    & skf18("6","10","10","3","5","10","1") = "9"
    & skf18("6","10","10","3","6","1","1") = "9"
    & skf18("6","10","10","3","6","2","1") = "9"
    & skf18("6","10","10","3","6","3","1") = "9"
    & skf18("6","10","10","3","6","4","1") = "9"
    & skf18("6","10","10","3","6","5","1") = "9"
    & skf18("6","10","10","3","6","6","1") = "9"
    & skf18("6","10","10","3","6","7","1") = "9"
    & skf18("6","10","10","3","6","8","1") = "9"
    & skf18("6","10","10","3","6","9","1") = "9"
    & skf18("6","10","10","3","6","10","1") = "9"
    & skf18("6","10","10","3","7","1","1") = "9"
    & skf18("6","10","10","3","7","2","1") = "9"
    & skf18("6","10","10","3","7","3","1") = "9"
    & skf18("6","10","10","3","7","4","1") = "9"
    & skf18("6","10","10","3","7","5","1") = "9"
    & skf18("6","10","10","3","7","6","1") = "9"
    & skf18("6","10","10","3","7","7","1") = "9"
    & skf18("6","10","10","3","7","8","1") = "9"
    & skf18("6","10","10","3","7","9","1") = "9"
    & skf18("6","10","10","3","7","10","1") = "9"
    & skf18("6","10","10","3","8","1","1") = "9"
    & skf18("6","10","10","3","8","2","1") = "9"
    & skf18("6","10","10","3","8","3","1") = "9"
    & skf18("6","10","10","3","8","4","1") = "9"
    & skf18("6","10","10","3","8","5","1") = "9"
    & skf18("6","10","10","3","8","6","1") = "9"
    & skf18("6","10","10","3","8","7","1") = "9"
    & skf18("6","10","10","3","8","8","1") = "9"
    & skf18("6","10","10","3","8","9","1") = "9"
    & skf18("6","10","10","3","8","10","1") = "9"
    & skf18("6","10","10","3","9","1","1") = "9"
    & skf18("6","10","10","3","9","2","1") = "9"
    & skf18("6","10","10","3","9","3","1") = "9"
    & skf18("6","10","10","3","9","4","1") = "9"
    & skf18("6","10","10","3","9","5","1") = "9"
    & skf18("6","10","10","3","9","6","1") = "9"
    & skf18("6","10","10","3","9","7","1") = "9"
    & skf18("6","10","10","3","9","8","1") = "9"
    & skf18("6","10","10","3","9","9","1") = "9"
    & skf18("6","10","10","3","9","10","1") = "9"
    & skf18("6","10","10","3","10","1","1") = "9"
    & skf18("6","10","10","3","10","2","1") = "9"
    & skf18("6","10","10","3","10","3","1") = "9"
    & skf18("6","10","10","3","10","4","1") = "9"
    & skf18("6","10","10","3","10","5","1") = "9"
    & skf18("6","10","10","3","10","6","1") = "9"
    & skf18("6","10","10","3","10","7","1") = "9"
    & skf18("6","10","10","3","10","8","1") = "9"
    & skf18("6","10","10","3","10","9","1") = "9"
    & skf18("6","10","10","3","10","10","1") = "9"
    & skf18("6","10","10","4","1","1","1") = "9"
    & skf18("6","10","10","4","1","2","1") = "9"
    & skf18("6","10","10","4","1","3","1") = "9"
    & skf18("6","10","10","4","1","4","1") = "9"
    & skf18("6","10","10","4","1","5","1") = "9"
    & skf18("6","10","10","4","1","6","1") = "9"
    & skf18("6","10","10","4","1","7","1") = "9"
    & skf18("6","10","10","4","1","8","1") = "9"
    & skf18("6","10","10","4","1","9","1") = "9"
    & skf18("6","10","10","4","1","10","1") = "9"
    & skf18("6","10","10","4","2","1","1") = "9"
    & skf18("6","10","10","4","2","2","1") = "9"
    & skf18("6","10","10","4","2","3","1") = "9"
    & skf18("6","10","10","4","2","4","1") = "9"
    & skf18("6","10","10","4","2","5","1") = "9"
    & skf18("6","10","10","4","2","6","1") = "9"
    & skf18("6","10","10","4","2","7","1") = "9"
    & skf18("6","10","10","4","2","8","1") = "9"
    & skf18("6","10","10","4","2","9","1") = "9"
    & skf18("6","10","10","4","2","10","1") = "9"
    & skf18("6","10","10","4","3","1","1") = "9"
    & skf18("6","10","10","4","3","2","1") = "9"
    & skf18("6","10","10","4","3","3","1") = "9"
    & skf18("6","10","10","4","3","4","1") = "9"
    & skf18("6","10","10","4","3","5","1") = "9"
    & skf18("6","10","10","4","3","6","1") = "9"
    & skf18("6","10","10","4","3","7","1") = "9"
    & skf18("6","10","10","4","3","8","1") = "9"
    & skf18("6","10","10","4","3","9","1") = "9"
    & skf18("6","10","10","4","3","10","1") = "9"
    & skf18("6","10","10","4","4","1","1") = "9"
    & skf18("6","10","10","4","4","2","1") = "9"
    & skf18("6","10","10","4","4","3","1") = "9"
    & skf18("6","10","10","4","4","4","1") = "9"
    & skf18("6","10","10","4","4","5","1") = "9"
    & skf18("6","10","10","4","4","6","1") = "9"
    & skf18("6","10","10","4","4","7","1") = "9"
    & skf18("6","10","10","4","4","8","1") = "9"
    & skf18("6","10","10","4","4","9","1") = "9"
    & skf18("6","10","10","4","4","10","1") = "9"
    & skf18("6","10","10","4","5","1","1") = "9"
    & skf18("6","10","10","4","5","2","1") = "9"
    & skf18("6","10","10","4","5","3","1") = "9"
    & skf18("6","10","10","4","5","4","1") = "9"
    & skf18("6","10","10","4","5","5","1") = "9"
    & skf18("6","10","10","4","5","6","1") = "9"
    & skf18("6","10","10","4","5","7","1") = "9"
    & skf18("6","10","10","4","5","8","1") = "9"
    & skf18("6","10","10","4","5","9","1") = "9"
    & skf18("6","10","10","4","5","10","1") = "9"
    & skf18("6","10","10","4","6","1","1") = "9"
    & skf18("6","10","10","4","6","2","1") = "9"
    & skf18("6","10","10","4","6","3","1") = "9"
    & skf18("6","10","10","4","6","4","1") = "9"
    & skf18("6","10","10","4","6","5","1") = "9"
    & skf18("6","10","10","4","6","6","1") = "9"
    & skf18("6","10","10","4","6","7","1") = "9"
    & skf18("6","10","10","4","6","8","1") = "9"
    & skf18("6","10","10","4","6","9","1") = "9"
    & skf18("6","10","10","4","6","10","1") = "9"
    & skf18("6","10","10","4","7","1","1") = "9"
    & skf18("6","10","10","4","7","2","1") = "9"
    & skf18("6","10","10","4","7","3","1") = "9"
    & skf18("6","10","10","4","7","4","1") = "9"
    & skf18("6","10","10","4","7","5","1") = "9"
    & skf18("6","10","10","4","7","6","1") = "9"
    & skf18("6","10","10","4","7","7","1") = "9"
    & skf18("6","10","10","4","7","8","1") = "9"
    & skf18("6","10","10","4","7","9","1") = "9"
    & skf18("6","10","10","4","7","10","1") = "9"
    & skf18("6","10","10","4","8","1","1") = "9"
    & skf18("6","10","10","4","8","2","1") = "9"
    & skf18("6","10","10","4","8","3","1") = "9"
    & skf18("6","10","10","4","8","4","1") = "9"
    & skf18("6","10","10","4","8","5","1") = "9"
    & skf18("6","10","10","4","8","6","1") = "9"
    & skf18("6","10","10","4","8","7","1") = "9"
    & skf18("6","10","10","4","8","8","1") = "9"
    & skf18("6","10","10","4","8","9","1") = "9"
    & skf18("6","10","10","4","8","10","1") = "9"
    & skf18("6","10","10","4","9","1","1") = "9"
    & skf18("6","10","10","4","9","2","1") = "9"
    & skf18("6","10","10","4","9","3","1") = "9"
    & skf18("6","10","10","4","9","4","1") = "9"
    & skf18("6","10","10","4","9","5","1") = "9"
    & skf18("6","10","10","4","9","6","1") = "9"
    & skf18("6","10","10","4","9","7","1") = "9"
    & skf18("6","10","10","4","9","8","1") = "9"
    & skf18("6","10","10","4","9","9","1") = "9"
    & skf18("6","10","10","4","9","10","1") = "9"
    & skf18("6","10","10","4","10","1","1") = "9"
    & skf18("6","10","10","4","10","2","1") = "9"
    & skf18("6","10","10","4","10","3","1") = "9"
    & skf18("6","10","10","4","10","4","1") = "9"
    & skf18("6","10","10","4","10","5","1") = "9"
    & skf18("6","10","10","4","10","6","1") = "9"
    & skf18("6","10","10","4","10","7","1") = "9"
    & skf18("6","10","10","4","10","8","1") = "9"
    & skf18("6","10","10","4","10","9","1") = "9"
    & skf18("6","10","10","4","10","10","1") = "9"
    & skf18("6","10","10","5","1","1","1") = "9"
    & skf18("6","10","10","5","1","2","1") = "9"
    & skf18("6","10","10","5","1","3","1") = "9"
    & skf18("6","10","10","5","1","4","1") = "9"
    & skf18("6","10","10","5","1","5","1") = "9"
    & skf18("6","10","10","5","1","6","1") = "9"
    & skf18("6","10","10","5","1","7","1") = "9"
    & skf18("6","10","10","5","1","8","1") = "9"
    & skf18("6","10","10","5","1","9","1") = "9"
    & skf18("6","10","10","5","1","10","1") = "9"
    & skf18("6","10","10","5","2","1","1") = "9"
    & skf18("6","10","10","5","2","2","1") = "9"
    & skf18("6","10","10","5","2","3","1") = "9"
    & skf18("6","10","10","5","2","4","1") = "9"
    & skf18("6","10","10","5","2","5","1") = "9"
    & skf18("6","10","10","5","2","6","1") = "9"
    & skf18("6","10","10","5","2","7","1") = "9"
    & skf18("6","10","10","5","2","8","1") = "9"
    & skf18("6","10","10","5","2","9","1") = "9"
    & skf18("6","10","10","5","2","10","1") = "9"
    & skf18("6","10","10","5","3","1","1") = "9"
    & skf18("6","10","10","5","3","2","1") = "9"
    & skf18("6","10","10","5","3","3","1") = "9"
    & skf18("6","10","10","5","3","4","1") = "9"
    & skf18("6","10","10","5","3","5","1") = "9"
    & skf18("6","10","10","5","3","6","1") = "9"
    & skf18("6","10","10","5","3","7","1") = "9"
    & skf18("6","10","10","5","3","8","1") = "9"
    & skf18("6","10","10","5","3","9","1") = "9"
    & skf18("6","10","10","5","3","10","1") = "9"
    & skf18("6","10","10","5","4","1","1") = "9"
    & skf18("6","10","10","5","4","2","1") = "9"
    & skf18("6","10","10","5","4","3","1") = "9"
    & skf18("6","10","10","5","4","4","1") = "9"
    & skf18("6","10","10","5","4","5","1") = "9"
    & skf18("6","10","10","5","4","6","1") = "9"
    & skf18("6","10","10","5","4","7","1") = "9"
    & skf18("6","10","10","5","4","8","1") = "9"
    & skf18("6","10","10","5","4","9","1") = "9"
    & skf18("6","10","10","5","4","10","1") = "9"
    & skf18("6","10","10","5","5","1","1") = "9"
    & skf18("6","10","10","5","5","2","1") = "9"
    & skf18("6","10","10","5","5","3","1") = "9"
    & skf18("6","10","10","5","5","4","1") = "9"
    & skf18("6","10","10","5","5","5","1") = "9"
    & skf18("6","10","10","5","5","6","1") = "9"
    & skf18("6","10","10","5","5","7","1") = "9"
    & skf18("6","10","10","5","5","8","1") = "9"
    & skf18("6","10","10","5","5","9","1") = "9"
    & skf18("6","10","10","5","5","10","1") = "9"
    & skf18("6","10","10","5","6","1","1") = "9"
    & skf18("6","10","10","5","6","2","1") = "9"
    & skf18("6","10","10","5","6","3","1") = "9"
    & skf18("6","10","10","5","6","4","1") = "9"
    & skf18("6","10","10","5","6","5","1") = "9"
    & skf18("6","10","10","5","6","6","1") = "9"
    & skf18("6","10","10","5","6","7","1") = "9"
    & skf18("6","10","10","5","6","8","1") = "9"
    & skf18("6","10","10","5","6","9","1") = "9"
    & skf18("6","10","10","5","6","10","1") = "9"
    & skf18("6","10","10","5","7","1","1") = "9"
    & skf18("6","10","10","5","7","2","1") = "9"
    & skf18("6","10","10","5","7","3","1") = "9"
    & skf18("6","10","10","5","7","4","1") = "9"
    & skf18("6","10","10","5","7","5","1") = "9"
    & skf18("6","10","10","5","7","6","1") = "9"
    & skf18("6","10","10","5","7","7","1") = "9"
    & skf18("6","10","10","5","7","8","1") = "9"
    & skf18("6","10","10","5","7","9","1") = "9"
    & skf18("6","10","10","5","7","10","1") = "9"
    & skf18("6","10","10","5","8","1","1") = "9"
    & skf18("6","10","10","5","8","2","1") = "9"
    & skf18("6","10","10","5","8","3","1") = "9"
    & skf18("6","10","10","5","8","4","1") = "9"
    & skf18("6","10","10","5","8","5","1") = "9"
    & skf18("6","10","10","5","8","6","1") = "9"
    & skf18("6","10","10","5","8","7","1") = "9"
    & skf18("6","10","10","5","8","8","1") = "9"
    & skf18("6","10","10","5","8","9","1") = "9"
    & skf18("6","10","10","5","8","10","1") = "9"
    & skf18("6","10","10","5","9","1","1") = "9"
    & skf18("6","10","10","5","9","2","1") = "9"
    & skf18("6","10","10","5","9","3","1") = "9"
    & skf18("6","10","10","5","9","4","1") = "9"
    & skf18("6","10","10","5","9","5","1") = "9"
    & skf18("6","10","10","5","9","6","1") = "9"
    & skf18("6","10","10","5","9","7","1") = "9"
    & skf18("6","10","10","5","9","8","1") = "9"
    & skf18("6","10","10","5","9","9","1") = "9"
    & skf18("6","10","10","5","9","10","1") = "9"
    & skf18("6","10","10","5","10","1","1") = "9"
    & skf18("6","10","10","5","10","2","1") = "9"
    & skf18("6","10","10","5","10","3","1") = "9"
    & skf18("6","10","10","5","10","4","1") = "9"
    & skf18("6","10","10","5","10","5","1") = "9"
    & skf18("6","10","10","5","10","6","1") = "9"
    & skf18("6","10","10","5","10","7","1") = "9"
    & skf18("6","10","10","5","10","8","1") = "9"
    & skf18("6","10","10","5","10","9","1") = "9"
    & skf18("6","10","10","5","10","10","1") = "9"
    & skf18("6","10","10","6","1","1","1") = "9"
    & skf18("6","10","10","6","1","2","1") = "9"
    & skf18("6","10","10","6","1","3","1") = "9"
    & skf18("6","10","10","6","1","4","1") = "9"
    & skf18("6","10","10","6","1","5","1") = "9"
    & skf18("6","10","10","6","1","6","1") = "9"
    & skf18("6","10","10","6","1","7","1") = "9"
    & skf18("6","10","10","6","1","8","1") = "9"
    & skf18("6","10","10","6","1","9","1") = "9"
    & skf18("6","10","10","6","1","10","1") = "9"
    & skf18("6","10","10","6","2","1","1") = "9"
    & skf18("6","10","10","6","2","2","1") = "9"
    & skf18("6","10","10","6","2","3","1") = "9"
    & skf18("6","10","10","6","2","4","1") = "9"
    & skf18("6","10","10","6","2","5","1") = "9"
    & skf18("6","10","10","6","2","6","1") = "9"
    & skf18("6","10","10","6","2","7","1") = "9"
    & skf18("6","10","10","6","2","8","1") = "9"
    & skf18("6","10","10","6","2","9","1") = "9"
    & skf18("6","10","10","6","2","10","1") = "9"
    & skf18("6","10","10","6","3","1","1") = "9"
    & skf18("6","10","10","6","3","2","1") = "9"
    & skf18("6","10","10","6","3","3","1") = "9"
    & skf18("6","10","10","6","3","4","1") = "9"
    & skf18("6","10","10","6","3","5","1") = "9"
    & skf18("6","10","10","6","3","6","1") = "9"
    & skf18("6","10","10","6","3","7","1") = "9"
    & skf18("6","10","10","6","3","8","1") = "9"
    & skf18("6","10","10","6","3","9","1") = "9"
    & skf18("6","10","10","6","3","10","1") = "9"
    & skf18("6","10","10","6","4","1","1") = "9"
    & skf18("6","10","10","6","4","2","1") = "9"
    & skf18("6","10","10","6","4","3","1") = "9"
    & skf18("6","10","10","6","4","4","1") = "9"
    & skf18("6","10","10","6","4","5","1") = "9"
    & skf18("6","10","10","6","4","6","1") = "9"
    & skf18("6","10","10","6","4","7","1") = "9"
    & skf18("6","10","10","6","4","8","1") = "9"
    & skf18("6","10","10","6","4","9","1") = "9"
    & skf18("6","10","10","6","4","10","1") = "9"
    & skf18("6","10","10","6","5","1","1") = "9"
    & skf18("6","10","10","6","5","2","1") = "9"
    & skf18("6","10","10","6","5","3","1") = "9"
    & skf18("6","10","10","6","5","4","1") = "9"
    & skf18("6","10","10","6","5","5","1") = "9"
    & skf18("6","10","10","6","5","6","1") = "9"
    & skf18("6","10","10","6","5","7","1") = "9"
    & skf18("6","10","10","6","5","8","1") = "9"
    & skf18("6","10","10","6","5","9","1") = "9"
    & skf18("6","10","10","6","5","10","1") = "9"
    & skf18("6","10","10","6","6","1","1") = "9"
    & skf18("6","10","10","6","6","2","1") = "9"
    & skf18("6","10","10","6","6","3","1") = "9"
    & skf18("6","10","10","6","6","4","1") = "9"
    & skf18("6","10","10","6","6","5","1") = "9"
    & skf18("6","10","10","6","6","6","1") = "9"
    & skf18("6","10","10","6","6","7","1") = "9"
    & skf18("6","10","10","6","6","8","1") = "9"
    & skf18("6","10","10","6","6","9","1") = "9"
    & skf18("6","10","10","6","6","10","1") = "9"
    & skf18("6","10","10","6","7","1","1") = "9"
    & skf18("6","10","10","6","7","2","1") = "9"
    & skf18("6","10","10","6","7","3","1") = "9"
    & skf18("6","10","10","6","7","4","1") = "9"
    & skf18("6","10","10","6","7","5","1") = "9"
    & skf18("6","10","10","6","7","6","1") = "9"
    & skf18("6","10","10","6","7","7","1") = "9"
    & skf18("6","10","10","6","7","8","1") = "9"
    & skf18("6","10","10","6","7","9","1") = "9"
    & skf18("6","10","10","6","7","10","1") = "9"
    & skf18("6","10","10","6","8","1","1") = "9"
    & skf18("6","10","10","6","8","2","1") = "9"
    & skf18("6","10","10","6","8","3","1") = "9"
    & skf18("6","10","10","6","8","4","1") = "9"
    & skf18("6","10","10","6","8","5","1") = "9"
    & skf18("6","10","10","6","8","6","1") = "9"
    & skf18("6","10","10","6","8","7","1") = "9"
    & skf18("6","10","10","6","8","8","1") = "9"
    & skf18("6","10","10","6","8","9","1") = "9"
    & skf18("6","10","10","6","8","10","1") = "9"
    & skf18("6","10","10","6","9","1","1") = "9"
    & skf18("6","10","10","6","9","2","1") = "9"
    & skf18("6","10","10","6","9","3","1") = "9"
    & skf18("6","10","10","6","9","4","1") = "9"
    & skf18("6","10","10","6","9","5","1") = "9"
    & skf18("6","10","10","6","9","6","1") = "9"
    & skf18("6","10","10","6","9","7","1") = "9"
    & skf18("6","10","10","6","9","8","1") = "9"
    & skf18("6","10","10","6","9","9","1") = "9"
    & skf18("6","10","10","6","9","10","1") = "9"
    & skf18("6","10","10","6","10","1","1") = "9"
    & skf18("6","10","10","6","10","2","1") = "9"
    & skf18("6","10","10","6","10","3","1") = "9"
    & skf18("6","10","10","6","10","4","1") = "9"
    & skf18("6","10","10","6","10","5","1") = "9"
    & skf18("6","10","10","6","10","6","1") = "9"
    & skf18("6","10","10","6","10","7","1") = "9"
    & skf18("6","10","10","6","10","8","1") = "9"
    & skf18("6","10","10","6","10","9","1") = "9"
    & skf18("6","10","10","6","10","10","1") = "9"
    & skf18("6","10","10","7","1","1","1") = "9"
    & skf18("6","10","10","7","1","2","1") = "9"
    & skf18("6","10","10","7","1","3","1") = "9"
    & skf18("6","10","10","7","1","4","1") = "9"
    & skf18("6","10","10","7","1","5","1") = "9"
    & skf18("6","10","10","7","1","6","1") = "9"
    & skf18("6","10","10","7","1","7","1") = "9"
    & skf18("6","10","10","7","1","8","1") = "9"
    & skf18("6","10","10","7","1","9","1") = "9"
    & skf18("6","10","10","7","1","10","1") = "9"
    & skf18("6","10","10","7","2","1","1") = "9"
    & skf18("6","10","10","7","2","2","1") = "9"
    & skf18("6","10","10","7","2","3","1") = "9"
    & skf18("6","10","10","7","2","4","1") = "9"
    & skf18("6","10","10","7","2","5","1") = "9"
    & skf18("6","10","10","7","2","6","1") = "9"
    & skf18("6","10","10","7","2","7","1") = "9"
    & skf18("6","10","10","7","2","8","1") = "9"
    & skf18("6","10","10","7","2","9","1") = "9"
    & skf18("6","10","10","7","2","10","1") = "9"
    & skf18("6","10","10","7","3","1","1") = "9"
    & skf18("6","10","10","7","3","2","1") = "9"
    & skf18("6","10","10","7","3","3","1") = "9"
    & skf18("6","10","10","7","3","4","1") = "9"
    & skf18("6","10","10","7","3","5","1") = "9"
    & skf18("6","10","10","7","3","6","1") = "9"
    & skf18("6","10","10","7","3","7","1") = "9"
    & skf18("6","10","10","7","3","8","1") = "9"
    & skf18("6","10","10","7","3","9","1") = "9"
    & skf18("6","10","10","7","3","10","1") = "9"
    & skf18("6","10","10","7","4","1","1") = "9"
    & skf18("6","10","10","7","4","2","1") = "9"
    & skf18("6","10","10","7","4","3","1") = "9"
    & skf18("6","10","10","7","4","4","1") = "9"
    & skf18("6","10","10","7","4","5","1") = "9"
    & skf18("6","10","10","7","4","6","1") = "9"
    & skf18("6","10","10","7","4","7","1") = "9"
    & skf18("6","10","10","7","4","8","1") = "9"
    & skf18("6","10","10","7","4","9","1") = "9"
    & skf18("6","10","10","7","4","10","1") = "9"
    & skf18("6","10","10","7","5","1","1") = "9"
    & skf18("6","10","10","7","5","2","1") = "9"
    & skf18("6","10","10","7","5","3","1") = "9"
    & skf18("6","10","10","7","5","4","1") = "9"
    & skf18("6","10","10","7","5","5","1") = "9"
    & skf18("6","10","10","7","5","6","1") = "9"
    & skf18("6","10","10","7","5","7","1") = "9"
    & skf18("6","10","10","7","5","8","1") = "9"
    & skf18("6","10","10","7","5","9","1") = "9"
    & skf18("6","10","10","7","5","10","1") = "9"
    & skf18("6","10","10","7","6","1","1") = "9"
    & skf18("6","10","10","7","6","2","1") = "9"
    & skf18("6","10","10","7","6","3","1") = "9"
    & skf18("6","10","10","7","6","4","1") = "9"
    & skf18("6","10","10","7","6","5","1") = "9"
    & skf18("6","10","10","7","6","6","1") = "9"
    & skf18("6","10","10","7","6","7","1") = "9"
    & skf18("6","10","10","7","6","8","1") = "9"
    & skf18("6","10","10","7","6","9","1") = "9"
    & skf18("6","10","10","7","6","10","1") = "9"
    & skf18("6","10","10","7","7","1","1") = "9"
    & skf18("6","10","10","7","7","2","1") = "9"
    & skf18("6","10","10","7","7","3","1") = "9"
    & skf18("6","10","10","7","7","4","1") = "9"
    & skf18("6","10","10","7","7","5","1") = "9"
    & skf18("6","10","10","7","7","6","1") = "9"
    & skf18("6","10","10","7","7","7","1") = "9"
    & skf18("6","10","10","7","7","8","1") = "9"
    & skf18("6","10","10","7","7","9","1") = "9"
    & skf18("6","10","10","7","7","10","1") = "9"
    & skf18("6","10","10","7","8","1","1") = "9"
    & skf18("6","10","10","7","8","2","1") = "9"
    & skf18("6","10","10","7","8","3","1") = "9"
    & skf18("6","10","10","7","8","4","1") = "9"
    & skf18("6","10","10","7","8","5","1") = "9"
    & skf18("6","10","10","7","8","6","1") = "9"
    & skf18("6","10","10","7","8","7","1") = "9"
    & skf18("6","10","10","7","8","8","1") = "9"
    & skf18("6","10","10","7","8","9","1") = "9"
    & skf18("6","10","10","7","8","10","1") = "9"
    & skf18("6","10","10","7","9","1","1") = "9"
    & skf18("6","10","10","7","9","2","1") = "9"
    & skf18("6","10","10","7","9","3","1") = "9"
    & skf18("6","10","10","7","9","4","1") = "9"
    & skf18("6","10","10","7","9","5","1") = "9"
    & skf18("6","10","10","7","9","6","1") = "9"
    & skf18("6","10","10","7","9","7","1") = "9"
    & skf18("6","10","10","7","9","8","1") = "9"
    & skf18("6","10","10","7","9","9","1") = "9"
    & skf18("6","10","10","7","9","10","1") = "9"
    & skf18("6","10","10","7","10","1","1") = "9"
    & skf18("6","10","10","7","10","2","1") = "9"
    & skf18("6","10","10","7","10","3","1") = "9"
    & skf18("6","10","10","7","10","4","1") = "9"
    & skf18("6","10","10","7","10","5","1") = "9"
    & skf18("6","10","10","7","10","6","1") = "9"
    & skf18("6","10","10","7","10","7","1") = "9"
    & skf18("6","10","10","7","10","8","1") = "9"
    & skf18("6","10","10","7","10","9","1") = "9"
    & skf18("6","10","10","7","10","10","1") = "9"
    & skf18("6","10","10","8","1","1","1") = "9"
    & skf18("6","10","10","8","1","2","1") = "9"
    & skf18("6","10","10","8","1","3","1") = "9"
    & skf18("6","10","10","8","1","4","1") = "9"
    & skf18("6","10","10","8","1","5","1") = "9"
    & skf18("6","10","10","8","1","6","1") = "9"
    & skf18("6","10","10","8","1","7","1") = "9"
    & skf18("6","10","10","8","1","8","1") = "9"
    & skf18("6","10","10","8","1","9","1") = "9"
    & skf18("6","10","10","8","1","10","1") = "9"
    & skf18("6","10","10","8","2","1","1") = "9"
    & skf18("6","10","10","8","2","2","1") = "9"
    & skf18("6","10","10","8","2","3","1") = "9"
    & skf18("6","10","10","8","2","4","1") = "9"
    & skf18("6","10","10","8","2","5","1") = "9"
    & skf18("6","10","10","8","2","6","1") = "9"
    & skf18("6","10","10","8","2","7","1") = "9"
    & skf18("6","10","10","8","2","8","1") = "9"
    & skf18("6","10","10","8","2","9","1") = "9"
    & skf18("6","10","10","8","2","10","1") = "9"
    & skf18("6","10","10","8","3","1","1") = "9"
    & skf18("6","10","10","8","3","2","1") = "9"
    & skf18("6","10","10","8","3","3","1") = "9"
    & skf18("6","10","10","8","3","4","1") = "9"
    & skf18("6","10","10","8","3","5","1") = "9"
    & skf18("6","10","10","8","3","6","1") = "9"
    & skf18("6","10","10","8","3","7","1") = "9"
    & skf18("6","10","10","8","3","8","1") = "9"
    & skf18("6","10","10","8","3","9","1") = "9"
    & skf18("6","10","10","8","3","10","1") = "9"
    & skf18("6","10","10","8","4","1","1") = "9"
    & skf18("6","10","10","8","4","2","1") = "9"
    & skf18("6","10","10","8","4","3","1") = "9"
    & skf18("6","10","10","8","4","4","1") = "9"
    & skf18("6","10","10","8","4","5","1") = "9"
    & skf18("6","10","10","8","4","6","1") = "9"
    & skf18("6","10","10","8","4","7","1") = "9"
    & skf18("6","10","10","8","4","8","1") = "9"
    & skf18("6","10","10","8","4","9","1") = "9"
    & skf18("6","10","10","8","4","10","1") = "9"
    & skf18("6","10","10","8","5","1","1") = "9"
    & skf18("6","10","10","8","5","2","1") = "9"
    & skf18("6","10","10","8","5","3","1") = "9"
    & skf18("6","10","10","8","5","4","1") = "9"
    & skf18("6","10","10","8","5","5","1") = "9"
    & skf18("6","10","10","8","5","6","1") = "9"
    & skf18("6","10","10","8","5","7","1") = "9"
    & skf18("6","10","10","8","5","8","1") = "9"
    & skf18("6","10","10","8","5","9","1") = "9"
    & skf18("6","10","10","8","5","10","1") = "9"
    & skf18("6","10","10","8","6","1","1") = "9"
    & skf18("6","10","10","8","6","2","1") = "9"
    & skf18("6","10","10","8","6","3","1") = "9"
    & skf18("6","10","10","8","6","4","1") = "9"
    & skf18("6","10","10","8","6","5","1") = "9"
    & skf18("6","10","10","8","6","6","1") = "9"
    & skf18("6","10","10","8","6","7","1") = "9"
    & skf18("6","10","10","8","6","8","1") = "9"
    & skf18("6","10","10","8","6","9","1") = "9"
    & skf18("6","10","10","8","6","10","1") = "9"
    & skf18("6","10","10","8","7","1","1") = "9"
    & skf18("6","10","10","8","7","2","1") = "9"
    & skf18("6","10","10","8","7","3","1") = "9"
    & skf18("6","10","10","8","7","4","1") = "9"
    & skf18("6","10","10","8","7","5","1") = "9"
    & skf18("6","10","10","8","7","6","1") = "9"
    & skf18("6","10","10","8","7","7","1") = "9"
    & skf18("6","10","10","8","7","8","1") = "9"
    & skf18("6","10","10","8","7","9","1") = "9"
    & skf18("6","10","10","8","7","10","1") = "9"
    & skf18("6","10","10","8","8","1","1") = "9"
    & skf18("6","10","10","8","8","2","1") = "9"
    & skf18("6","10","10","8","8","3","1") = "9"
    & skf18("6","10","10","8","8","4","1") = "9"
    & skf18("6","10","10","8","8","5","1") = "9"
    & skf18("6","10","10","8","8","6","1") = "9"
    & skf18("6","10","10","8","8","7","1") = "9"
    & skf18("6","10","10","8","8","8","1") = "9"
    & skf18("6","10","10","8","8","9","1") = "9"
    & skf18("6","10","10","8","8","10","1") = "9"
    & skf18("6","10","10","8","9","1","1") = "9"
    & skf18("6","10","10","8","9","2","1") = "9"
    & skf18("6","10","10","8","9","3","1") = "9"
    & skf18("6","10","10","8","9","4","1") = "9"
    & skf18("6","10","10","8","9","5","1") = "9"
    & skf18("6","10","10","8","9","6","1") = "9"
    & skf18("6","10","10","8","9","7","1") = "9"
    & skf18("6","10","10","8","9","8","1") = "9"
    & skf18("6","10","10","8","9","9","1") = "9"
    & skf18("6","10","10","8","9","10","1") = "9"
    & skf18("6","10","10","8","10","1","1") = "9"
    & skf18("6","10","10","8","10","2","1") = "9"
    & skf18("6","10","10","8","10","3","1") = "9"
    & skf18("6","10","10","8","10","4","1") = "9"
    & skf18("6","10","10","8","10","5","1") = "9"
    & skf18("6","10","10","8","10","6","1") = "9"
    & skf18("6","10","10","8","10","7","1") = "9"
    & skf18("6","10","10","8","10","8","1") = "9"
    & skf18("6","10","10","8","10","9","1") = "9"
    & skf18("6","10","10","8","10","10","1") = "9"
    & skf18("6","10","10","9","1","1","1") = "9"
    & skf18("6","10","10","9","1","2","1") = "9"
    & skf18("6","10","10","9","1","3","1") = "9"
    & skf18("6","10","10","9","1","4","1") = "9"
    & skf18("6","10","10","9","1","5","1") = "9"
    & skf18("6","10","10","9","1","6","1") = "9"
    & skf18("6","10","10","9","1","7","1") = "9"
    & skf18("6","10","10","9","1","8","1") = "9"
    & skf18("6","10","10","9","1","9","1") = "9"
    & skf18("6","10","10","9","1","10","1") = "9"
    & skf18("6","10","10","9","2","1","1") = "9"
    & skf18("6","10","10","9","2","2","1") = "9"
    & skf18("6","10","10","9","2","3","1") = "9"
    & skf18("6","10","10","9","2","4","1") = "9"
    & skf18("6","10","10","9","2","5","1") = "9"
    & skf18("6","10","10","9","2","6","1") = "9"
    & skf18("6","10","10","9","2","7","1") = "9"
    & skf18("6","10","10","9","2","8","1") = "9"
    & skf18("6","10","10","9","2","9","1") = "9"
    & skf18("6","10","10","9","2","10","1") = "9"
    & skf18("6","10","10","9","3","1","1") = "9"
    & skf18("6","10","10","9","3","2","1") = "9"
    & skf18("6","10","10","9","3","3","1") = "9"
    & skf18("6","10","10","9","3","4","1") = "9"
    & skf18("6","10","10","9","3","5","1") = "9"
    & skf18("6","10","10","9","3","6","1") = "9"
    & skf18("6","10","10","9","3","7","1") = "9"
    & skf18("6","10","10","9","3","8","1") = "9"
    & skf18("6","10","10","9","3","9","1") = "9"
    & skf18("6","10","10","9","3","10","1") = "9"
    & skf18("6","10","10","9","4","1","1") = "9"
    & skf18("6","10","10","9","4","2","1") = "9"
    & skf18("6","10","10","9","4","3","1") = "9"
    & skf18("6","10","10","9","4","4","1") = "9"
    & skf18("6","10","10","9","4","5","1") = "9"
    & skf18("6","10","10","9","4","6","1") = "9"
    & skf18("6","10","10","9","4","7","1") = "9"
    & skf18("6","10","10","9","4","8","1") = "9"
    & skf18("6","10","10","9","4","9","1") = "9"
    & skf18("6","10","10","9","4","10","1") = "9"
    & skf18("6","10","10","9","5","1","1") = "9"
    & skf18("6","10","10","9","5","2","1") = "9"
    & skf18("6","10","10","9","5","3","1") = "9"
    & skf18("6","10","10","9","5","4","1") = "9"
    & skf18("6","10","10","9","5","5","1") = "9"
    & skf18("6","10","10","9","5","6","1") = "9"
    & skf18("6","10","10","9","5","7","1") = "9"
    & skf18("6","10","10","9","5","8","1") = "9"
    & skf18("6","10","10","9","5","9","1") = "9"
    & skf18("6","10","10","9","5","10","1") = "9"
    & skf18("6","10","10","9","6","1","1") = "9"
    & skf18("6","10","10","9","6","2","1") = "9"
    & skf18("6","10","10","9","6","3","1") = "9"
    & skf18("6","10","10","9","6","4","1") = "9"
    & skf18("6","10","10","9","6","5","1") = "9"
    & skf18("6","10","10","9","6","6","1") = "9"
    & skf18("6","10","10","9","6","7","1") = "9"
    & skf18("6","10","10","9","6","8","1") = "9"
    & skf18("6","10","10","9","6","9","1") = "9"
    & skf18("6","10","10","9","6","10","1") = "9"
    & skf18("6","10","10","9","7","1","1") = "9"
    & skf18("6","10","10","9","7","2","1") = "9"
    & skf18("6","10","10","9","7","3","1") = "9"
    & skf18("6","10","10","9","7","4","1") = "9"
    & skf18("6","10","10","9","7","5","1") = "9"
    & skf18("6","10","10","9","7","6","1") = "9"
    & skf18("6","10","10","9","7","7","1") = "9"
    & skf18("6","10","10","9","7","8","1") = "9"
    & skf18("6","10","10","9","7","9","1") = "9"
    & skf18("6","10","10","9","7","10","1") = "9"
    & skf18("6","10","10","9","8","1","1") = "9"
    & skf18("6","10","10","9","8","2","1") = "9"
    & skf18("6","10","10","9","8","3","1") = "9"
    & skf18("6","10","10","9","8","4","1") = "9"
    & skf18("6","10","10","9","8","5","1") = "9"
    & skf18("6","10","10","9","8","6","1") = "9"
    & skf18("6","10","10","9","8","7","1") = "9"
    & skf18("6","10","10","9","8","8","1") = "9"
    & skf18("6","10","10","9","8","9","1") = "9"
    & skf18("6","10","10","9","8","10","1") = "9"
    & skf18("6","10","10","9","9","1","1") = "9"
    & skf18("6","10","10","9","9","2","1") = "9"
    & skf18("6","10","10","9","9","3","1") = "9"
    & skf18("6","10","10","9","9","4","1") = "9"
    & skf18("6","10","10","9","9","5","1") = "9"
    & skf18("6","10","10","9","9","6","1") = "9"
    & skf18("6","10","10","9","9","7","1") = "9"
    & skf18("6","10","10","9","9","8","1") = "9"
    & skf18("6","10","10","9","9","9","1") = "9"
    & skf18("6","10","10","9","9","10","1") = "9"
    & skf18("6","10","10","9","10","1","1") = "9"
    & skf18("6","10","10","9","10","2","1") = "9"
    & skf18("6","10","10","9","10","3","1") = "9"
    & skf18("6","10","10","9","10","4","1") = "9"
    & skf18("6","10","10","9","10","5","1") = "9"
    & skf18("6","10","10","9","10","6","1") = "9"
    & skf18("6","10","10","9","10","7","1") = "9"
    & skf18("6","10","10","9","10","8","1") = "9"
    & skf18("6","10","10","9","10","9","1") = "9"
    & skf18("6","10","10","9","10","10","1") = "9"
    & skf18("6","10","10","10","1","1","1") = "9"
    & skf18("6","10","10","10","1","2","1") = "9"
    & skf18("6","10","10","10","1","3","1") = "9"
    & skf18("6","10","10","10","1","4","1") = "9"
    & skf18("6","10","10","10","1","5","1") = "9"
    & skf18("6","10","10","10","1","6","1") = "9"
    & skf18("6","10","10","10","1","7","1") = "9"
    & skf18("6","10","10","10","1","8","1") = "9"
    & skf18("6","10","10","10","1","9","1") = "9"
    & skf18("6","10","10","10","1","10","1") = "9"
    & skf18("6","10","10","10","2","1","1") = "9"
    & skf18("6","10","10","10","2","2","1") = "9"
    & skf18("6","10","10","10","2","3","1") = "9"
    & skf18("6","10","10","10","2","4","1") = "9"
    & skf18("6","10","10","10","2","5","1") = "9"
    & skf18("6","10","10","10","2","6","1") = "9"
    & skf18("6","10","10","10","2","7","1") = "9"
    & skf18("6","10","10","10","2","8","1") = "9"
    & skf18("6","10","10","10","2","9","1") = "9"
    & skf18("6","10","10","10","2","10","1") = "9"
    & skf18("6","10","10","10","3","1","1") = "9"
    & skf18("6","10","10","10","3","2","1") = "9"
    & skf18("6","10","10","10","3","3","1") = "9"
    & skf18("6","10","10","10","3","4","1") = "9"
    & skf18("6","10","10","10","3","5","1") = "9"
    & skf18("6","10","10","10","3","6","1") = "9"
    & skf18("6","10","10","10","3","7","1") = "9"
    & skf18("6","10","10","10","3","8","1") = "9"
    & skf18("6","10","10","10","3","9","1") = "9"
    & skf18("6","10","10","10","3","10","1") = "9"
    & skf18("6","10","10","10","4","1","1") = "9"
    & skf18("6","10","10","10","4","2","1") = "9"
    & skf18("6","10","10","10","4","3","1") = "9"
    & skf18("6","10","10","10","4","4","1") = "9"
    & skf18("6","10","10","10","4","5","1") = "9"
    & skf18("6","10","10","10","4","6","1") = "9"
    & skf18("6","10","10","10","4","7","1") = "9"
    & skf18("6","10","10","10","4","8","1") = "9"
    & skf18("6","10","10","10","4","9","1") = "9"
    & skf18("6","10","10","10","4","10","1") = "9"
    & skf18("6","10","10","10","5","1","1") = "9"
    & skf18("6","10","10","10","5","2","1") = "9"
    & skf18("6","10","10","10","5","3","1") = "9"
    & skf18("6","10","10","10","5","4","1") = "9"
    & skf18("6","10","10","10","5","5","1") = "9"
    & skf18("6","10","10","10","5","6","1") = "9"
    & skf18("6","10","10","10","5","7","1") = "9"
    & skf18("6","10","10","10","5","8","1") = "9"
    & skf18("6","10","10","10","5","9","1") = "9"
    & skf18("6","10","10","10","5","10","1") = "9"
    & skf18("6","10","10","10","6","1","1") = "9"
    & skf18("6","10","10","10","6","2","1") = "9"
    & skf18("6","10","10","10","6","3","1") = "9"
    & skf18("6","10","10","10","6","4","1") = "9"
    & skf18("6","10","10","10","6","5","1") = "9"
    & skf18("6","10","10","10","6","6","1") = "9"
    & skf18("6","10","10","10","6","7","1") = "9"
    & skf18("6","10","10","10","6","8","1") = "9"
    & skf18("6","10","10","10","6","9","1") = "9"
    & skf18("6","10","10","10","6","10","1") = "9"
    & skf18("6","10","10","10","7","1","1") = "9"
    & skf18("6","10","10","10","7","2","1") = "9"
    & skf18("6","10","10","10","7","3","1") = "9"
    & skf18("6","10","10","10","7","4","1") = "9"
    & skf18("6","10","10","10","7","5","1") = "9"
    & skf18("6","10","10","10","7","6","1") = "9"
    & skf18("6","10","10","10","7","7","1") = "9"
    & skf18("6","10","10","10","7","8","1") = "9"
    & skf18("6","10","10","10","7","9","1") = "9"
    & skf18("6","10","10","10","7","10","1") = "9"
    & skf18("6","10","10","10","8","1","1") = "9"
    & skf18("6","10","10","10","8","2","1") = "9"
    & skf18("6","10","10","10","8","3","1") = "9"
    & skf18("6","10","10","10","8","4","1") = "9"
    & skf18("6","10","10","10","8","5","1") = "9"
    & skf18("6","10","10","10","8","6","1") = "9"
    & skf18("6","10","10","10","8","7","1") = "9"
    & skf18("6","10","10","10","8","8","1") = "9"
    & skf18("6","10","10","10","8","9","1") = "9"
    & skf18("6","10","10","10","8","10","1") = "9"
    & skf18("6","10","10","10","9","1","1") = "9"
    & skf18("6","10","10","10","9","2","1") = "9"
    & skf18("6","10","10","10","9","3","1") = "9"
    & skf18("6","10","10","10","9","4","1") = "9"
    & skf18("6","10","10","10","9","5","1") = "9"
    & skf18("6","10","10","10","9","6","1") = "9"
    & skf18("6","10","10","10","9","7","1") = "9"
    & skf18("6","10","10","10","9","8","1") = "9"
    & skf18("6","10","10","10","9","9","1") = "9"
    & skf18("6","10","10","10","9","10","1") = "9"
    & skf18("6","10","10","10","10","1","1") = "9"
    & skf18("6","10","10","10","10","2","1") = "9"
    & skf18("6","10","10","10","10","3","1") = "9"
    & skf18("6","10","10","10","10","4","1") = "9"
    & skf18("6","10","10","10","10","5","1") = "9"
    & skf18("6","10","10","10","10","6","1") = "9"
    & skf18("6","10","10","10","10","7","1") = "9"
    & skf18("6","10","10","10","10","8","1") = "9"
    & skf18("6","10","10","10","10","9","1") = "9"
    & skf18("6","10","10","10","10","10","1") = "9"
    & skf18("7","1","1","1","1","1","1") = "6"
    & skf18("7","1","1","1","1","2","1") = "6"
    & skf18("7","1","1","1","1","3","1") = "6"
    & skf18("7","1","1","1","1","4","1") = "6"
    & skf18("7","1","1","1","1","5","1") = "6"
    & skf18("7","1","1","1","1","6","1") = "6"
    & skf18("7","1","1","1","1","7","1") = "6"
    & skf18("7","1","1","1","1","8","1") = "7"
    & skf18("7","1","1","1","1","9","1") = "8"
    & skf18("7","1","1","1","1","10","1") = "9"
    & skf18("7","1","1","1","2","1","1") = "6"
    & skf18("7","1","1","1","2","2","1") = "6"
    & skf18("7","1","1","1","2","3","1") = "6"
    & skf18("7","1","1","1","2","4","1") = "6"
    & skf18("7","1","1","1","2","5","1") = "6"
    & skf18("7","1","1","1","2","6","1") = "6"
    & skf18("7","1","1","1","2","7","1") = "6"
    & skf18("7","1","1","1","2","8","1") = "7"
    & skf18("7","1","1","1","2","9","1") = "8"
    & skf18("7","1","1","1","2","10","1") = "9"
    & skf18("7","1","1","1","3","1","1") = "6"
    & skf18("7","1","1","1","3","2","1") = "6"
    & skf18("7","1","1","1","3","3","1") = "6"
    & skf18("7","1","1","1","3","4","1") = "6"
    & skf18("7","1","1","1","3","5","1") = "6"
    & skf18("7","1","1","1","3","6","1") = "6"
    & skf18("7","1","1","1","3","7","1") = "6"
    & skf18("7","1","1","1","3","8","1") = "7"
    & skf18("7","1","1","1","3","9","1") = "8"
    & skf18("7","1","1","1","3","10","1") = "9"
    & skf18("7","1","1","1","4","1","1") = "6"
    & skf18("7","1","1","1","4","2","1") = "6"
    & skf18("7","1","1","1","4","3","1") = "6"
    & skf18("7","1","1","1","4","4","1") = "6"
    & skf18("7","1","1","1","4","5","1") = "6"
    & skf18("7","1","1","1","4","6","1") = "6"
    & skf18("7","1","1","1","4","7","1") = "6"
    & skf18("7","1","1","1","4","8","1") = "7"
    & skf18("7","1","1","1","4","9","1") = "8"
    & skf18("7","1","1","1","4","10","1") = "9"
    & skf18("7","1","1","1","5","1","1") = "6"
    & skf18("7","1","1","1","5","2","1") = "6"
    & skf18("7","1","1","1","5","3","1") = "6"
    & skf18("7","1","1","1","5","4","1") = "6"
    & skf18("7","1","1","1","5","5","1") = "6"
    & skf18("7","1","1","1","5","6","1") = "6"
    & skf18("7","1","1","1","5","7","1") = "6"
    & skf18("7","1","1","1","5","8","1") = "7"
    & skf18("7","1","1","1","5","9","1") = "8"
    & skf18("7","1","1","1","5","10","1") = "9"
    & skf18("7","1","1","1","6","1","1") = "6"
    & skf18("7","1","1","1","6","2","1") = "6"
    & skf18("7","1","1","1","6","3","1") = "6"
    & skf18("7","1","1","1","6","4","1") = "6"
    & skf18("7","1","1","1","6","5","1") = "6"
    & skf18("7","1","1","1","6","6","1") = "6"
    & skf18("7","1","1","1","6","7","1") = "6"
    & skf18("7","1","1","1","6","8","1") = "7"
    & skf18("7","1","1","1","6","9","1") = "8"
    & skf18("7","1","1","1","6","10","1") = "9"
    & skf18("7","1","1","1","7","1","1") = "6"
    & skf18("7","1","1","1","7","2","1") = "6"
    & skf18("7","1","1","1","7","3","1") = "6"
    & skf18("7","1","1","1","7","4","1") = "6"
    & skf18("7","1","1","1","7","5","1") = "6"
    & skf18("7","1","1","1","7","6","1") = "6"
    & skf18("7","1","1","1","7","7","1") = "6"
    & skf18("7","1","1","1","7","8","1") = "7"
    & skf18("7","1","1","1","7","9","1") = "8"
    & skf18("7","1","1","1","7","10","1") = "9"
    & skf18("7","1","1","1","8","1","1") = "7"
    & skf18("7","1","1","1","8","2","1") = "7"
    & skf18("7","1","1","1","8","3","1") = "7"
    & skf18("7","1","1","1","8","4","1") = "7"
    & skf18("7","1","1","1","8","5","1") = "7"
    & skf18("7","1","1","1","8","6","1") = "7"
    & skf18("7","1","1","1","8","7","1") = "7"
    & skf18("7","1","1","1","8","8","1") = "7"
    & skf18("7","1","1","1","8","9","1") = "8"
    & skf18("7","1","1","1","8","10","1") = "9"
    & skf18("7","1","1","1","9","1","1") = "8"
    & skf18("7","1","1","1","9","2","1") = "8"
    & skf18("7","1","1","1","9","3","1") = "8"
    & skf18("7","1","1","1","9","4","1") = "8"
    & skf18("7","1","1","1","9","5","1") = "8"
    & skf18("7","1","1","1","9","6","1") = "8"
    & skf18("7","1","1","1","9","7","1") = "8"
    & skf18("7","1","1","1","9","8","1") = "8"
    & skf18("7","1","1","1","9","9","1") = "8"
    & skf18("7","1","1","1","9","10","1") = "9"
    & skf18("7","1","1","1","10","1","1") = "9"
    & skf18("7","1","1","1","10","2","1") = "9"
    & skf18("7","1","1","1","10","3","1") = "9"
    & skf18("7","1","1","1","10","4","1") = "9"
    & skf18("7","1","1","1","10","5","1") = "9"
    & skf18("7","1","1","1","10","6","1") = "9"
    & skf18("7","1","1","1","10","7","1") = "9"
    & skf18("7","1","1","1","10","8","1") = "9"
    & skf18("7","1","1","1","10","9","1") = "9"
    & skf18("7","1","1","1","10","10","1") = "9"
    & skf18("7","1","1","2","1","1","1") = "6"
    & skf18("7","1","1","2","1","2","1") = "6"
    & skf18("7","1","1","2","1","3","1") = "6"
    & skf18("7","1","1","2","1","4","1") = "6"
    & skf18("7","1","1","2","1","5","1") = "6"
    & skf18("7","1","1","2","1","6","1") = "6"
    & skf18("7","1","1","2","1","7","1") = "6"
    & skf18("7","1","1","2","1","8","1") = "7"
    & skf18("7","1","1","2","1","9","1") = "8"
    & skf18("7","1","1","2","1","10","1") = "9"
    & skf18("7","1","1","2","2","1","1") = "6"
    & skf18("7","1","1","2","2","2","1") = "6"
    & skf18("7","1","1","2","2","3","1") = "6"
    & skf18("7","1","1","2","2","4","1") = "6"
    & skf18("7","1","1","2","2","5","1") = "6"
    & skf18("7","1","1","2","2","6","1") = "6"
    & skf18("7","1","1","2","2","7","1") = "6"
    & skf18("7","1","1","2","2","8","1") = "7"
    & skf18("7","1","1","2","2","9","1") = "8"
    & skf18("7","1","1","2","2","10","1") = "9"
    & skf18("7","1","1","2","3","1","1") = "6"
    & skf18("7","1","1","2","3","2","1") = "6"
    & skf18("7","1","1","2","3","3","1") = "6"
    & skf18("7","1","1","2","3","4","1") = "6"
    & skf18("7","1","1","2","3","5","1") = "6"
    & skf18("7","1","1","2","3","6","1") = "6"
    & skf18("7","1","1","2","3","7","1") = "6"
    & skf18("7","1","1","2","3","8","1") = "7"
    & skf18("7","1","1","2","3","9","1") = "8"
    & skf18("7","1","1","2","3","10","1") = "9"
    & skf18("7","1","1","2","4","1","1") = "6"
    & skf18("7","1","1","2","4","2","1") = "6"
    & skf18("7","1","1","2","4","3","1") = "6"
    & skf18("7","1","1","2","4","4","1") = "6"
    & skf18("7","1","1","2","4","5","1") = "6"
    & skf18("7","1","1","2","4","6","1") = "6"
    & skf18("7","1","1","2","4","7","1") = "6"
    & skf18("7","1","1","2","4","8","1") = "7"
    & skf18("7","1","1","2","4","9","1") = "8"
    & skf18("7","1","1","2","4","10","1") = "9"
    & skf18("7","1","1","2","5","1","1") = "6"
    & skf18("7","1","1","2","5","2","1") = "6"
    & skf18("7","1","1","2","5","3","1") = "6"
    & skf18("7","1","1","2","5","4","1") = "6"
    & skf18("7","1","1","2","5","5","1") = "6"
    & skf18("7","1","1","2","5","6","1") = "6"
    & skf18("7","1","1","2","5","7","1") = "6"
    & skf18("7","1","1","2","5","8","1") = "7"
    & skf18("7","1","1","2","5","9","1") = "8"
    & skf18("7","1","1","2","5","10","1") = "9"
    & skf18("7","1","1","2","6","1","1") = "6"
    & skf18("7","1","1","2","6","2","1") = "6"
    & skf18("7","1","1","2","6","3","1") = "6"
    & skf18("7","1","1","2","6","4","1") = "6"
    & skf18("7","1","1","2","6","5","1") = "6"
    & skf18("7","1","1","2","6","6","1") = "6"
    & skf18("7","1","1","2","6","7","1") = "6"
    & skf18("7","1","1","2","6","8","1") = "7"
    & skf18("7","1","1","2","6","9","1") = "8"
    & skf18("7","1","1","2","6","10","1") = "9"
    & skf18("7","1","1","2","7","1","1") = "6"
    & skf18("7","1","1","2","7","2","1") = "6"
    & skf18("7","1","1","2","7","3","1") = "6"
    & skf18("7","1","1","2","7","4","1") = "6"
    & skf18("7","1","1","2","7","5","1") = "6"
    & skf18("7","1","1","2","7","6","1") = "6"
    & skf18("7","1","1","2","7","7","1") = "6"
    & skf18("7","1","1","2","7","8","1") = "7"
    & skf18("7","1","1","2","7","9","1") = "8"
    & skf18("7","1","1","2","7","10","1") = "9"
    & skf18("7","1","1","2","8","1","1") = "7"
    & skf18("7","1","1","2","8","2","1") = "7"
    & skf18("7","1","1","2","8","3","1") = "7"
    & skf18("7","1","1","2","8","4","1") = "7"
    & skf18("7","1","1","2","8","5","1") = "7"
    & skf18("7","1","1","2","8","6","1") = "7"
    & skf18("7","1","1","2","8","7","1") = "7"
    & skf18("7","1","1","2","8","8","1") = "7"
    & skf18("7","1","1","2","8","9","1") = "8"
    & skf18("7","1","1","2","8","10","1") = "9"
    & skf18("7","1","1","2","9","1","1") = "8"
    & skf18("7","1","1","2","9","2","1") = "8"
    & skf18("7","1","1","2","9","3","1") = "8"
    & skf18("7","1","1","2","9","4","1") = "8"
    & skf18("7","1","1","2","9","5","1") = "8"
    & skf18("7","1","1","2","9","6","1") = "8"
    & skf18("7","1","1","2","9","7","1") = "8"
    & skf18("7","1","1","2","9","8","1") = "8"
    & skf18("7","1","1","2","9","9","1") = "8"
    & skf18("7","1","1","2","9","10","1") = "9"
    & skf18("7","1","1","2","10","1","1") = "9"
    & skf18("7","1","1","2","10","2","1") = "9"
    & skf18("7","1","1","2","10","3","1") = "9"
    & skf18("7","1","1","2","10","4","1") = "9"
    & skf18("7","1","1","2","10","5","1") = "9"
    & skf18("7","1","1","2","10","6","1") = "9"
    & skf18("7","1","1","2","10","7","1") = "9"
    & skf18("7","1","1","2","10","8","1") = "9"
    & skf18("7","1","1","2","10","9","1") = "9"
    & skf18("7","1","1","2","10","10","1") = "9"
    & skf18("7","1","1","3","1","1","1") = "6"
    & skf18("7","1","1","3","1","2","1") = "6"
    & skf18("7","1","1","3","1","3","1") = "6"
    & skf18("7","1","1","3","1","4","1") = "6"
    & skf18("7","1","1","3","1","5","1") = "6"
    & skf18("7","1","1","3","1","6","1") = "6"
    & skf18("7","1","1","3","1","7","1") = "6"
    & skf18("7","1","1","3","1","8","1") = "7"
    & skf18("7","1","1","3","1","9","1") = "8"
    & skf18("7","1","1","3","1","10","1") = "9"
    & skf18("7","1","1","3","2","1","1") = "6"
    & skf18("7","1","1","3","2","2","1") = "6"
    & skf18("7","1","1","3","2","3","1") = "6"
    & skf18("7","1","1","3","2","4","1") = "6"
    & skf18("7","1","1","3","2","5","1") = "6"
    & skf18("7","1","1","3","2","6","1") = "6"
    & skf18("7","1","1","3","2","7","1") = "6"
    & skf18("7","1","1","3","2","8","1") = "7"
    & skf18("7","1","1","3","2","9","1") = "8"
    & skf18("7","1","1","3","2","10","1") = "9"
    & skf18("7","1","1","3","3","1","1") = "6"
    & skf18("7","1","1","3","3","2","1") = "6"
    & skf18("7","1","1","3","3","3","1") = "6"
    & skf18("7","1","1","3","3","4","1") = "6"
    & skf18("7","1","1","3","3","5","1") = "6"
    & skf18("7","1","1","3","3","6","1") = "6"
    & skf18("7","1","1","3","3","7","1") = "6"
    & skf18("7","1","1","3","3","8","1") = "7"
    & skf18("7","1","1","3","3","9","1") = "8"
    & skf18("7","1","1","3","3","10","1") = "9"
    & skf18("7","1","1","3","4","1","1") = "6"
    & skf18("7","1","1","3","4","2","1") = "6"
    & skf18("7","1","1","3","4","3","1") = "6"
    & skf18("7","1","1","3","4","4","1") = "6"
    & skf18("7","1","1","3","4","5","1") = "6"
    & skf18("7","1","1","3","4","6","1") = "6"
    & skf18("7","1","1","3","4","7","1") = "6"
    & skf18("7","1","1","3","4","8","1") = "7"
    & skf18("7","1","1","3","4","9","1") = "8"
    & skf18("7","1","1","3","4","10","1") = "9"
    & skf18("7","1","1","3","5","1","1") = "6"
    & skf18("7","1","1","3","5","2","1") = "6"
    & skf18("7","1","1","3","5","3","1") = "6"
    & skf18("7","1","1","3","5","4","1") = "6"
    & skf18("7","1","1","3","5","5","1") = "6"
    & skf18("7","1","1","3","5","6","1") = "6"
    & skf18("7","1","1","3","5","7","1") = "6"
    & skf18("7","1","1","3","5","8","1") = "7"
    & skf18("7","1","1","3","5","9","1") = "8"
    & skf18("7","1","1","3","5","10","1") = "9"
    & skf18("7","1","1","3","6","1","1") = "6"
    & skf18("7","1","1","3","6","2","1") = "6"
    & skf18("7","1","1","3","6","3","1") = "6"
    & skf18("7","1","1","3","6","4","1") = "6"
    & skf18("7","1","1","3","6","5","1") = "6"
    & skf18("7","1","1","3","6","6","1") = "6"
    & skf18("7","1","1","3","6","7","1") = "6"
    & skf18("7","1","1","3","6","8","1") = "7"
    & skf18("7","1","1","3","6","9","1") = "8"
    & skf18("7","1","1","3","6","10","1") = "9"
    & skf18("7","1","1","3","7","1","1") = "6"
    & skf18("7","1","1","3","7","2","1") = "6"
    & skf18("7","1","1","3","7","3","1") = "6"
    & skf18("7","1","1","3","7","4","1") = "6"
    & skf18("7","1","1","3","7","5","1") = "6"
    & skf18("7","1","1","3","7","6","1") = "6"
    & skf18("7","1","1","3","7","7","1") = "6"
    & skf18("7","1","1","3","7","8","1") = "7"
    & skf18("7","1","1","3","7","9","1") = "8"
    & skf18("7","1","1","3","7","10","1") = "9"
    & skf18("7","1","1","3","8","1","1") = "7"
    & skf18("7","1","1","3","8","2","1") = "7"
    & skf18("7","1","1","3","8","3","1") = "7"
    & skf18("7","1","1","3","8","4","1") = "7"
    & skf18("7","1","1","3","8","5","1") = "7"
    & skf18("7","1","1","3","8","6","1") = "7"
    & skf18("7","1","1","3","8","7","1") = "7"
    & skf18("7","1","1","3","8","8","1") = "7"
    & skf18("7","1","1","3","8","9","1") = "8"
    & skf18("7","1","1","3","8","10","1") = "9"
    & skf18("7","1","1","3","9","1","1") = "8"
    & skf18("7","1","1","3","9","2","1") = "8"
    & skf18("7","1","1","3","9","3","1") = "8"
    & skf18("7","1","1","3","9","4","1") = "8"
    & skf18("7","1","1","3","9","5","1") = "8"
    & skf18("7","1","1","3","9","6","1") = "8"
    & skf18("7","1","1","3","9","7","1") = "8"
    & skf18("7","1","1","3","9","8","1") = "8"
    & skf18("7","1","1","3","9","9","1") = "8"
    & skf18("7","1","1","3","9","10","1") = "9"
    & skf18("7","1","1","3","10","1","1") = "9"
    & skf18("7","1","1","3","10","2","1") = "9"
    & skf18("7","1","1","3","10","3","1") = "9"
    & skf18("7","1","1","3","10","4","1") = "9"
    & skf18("7","1","1","3","10","5","1") = "9"
    & skf18("7","1","1","3","10","6","1") = "9"
    & skf18("7","1","1","3","10","7","1") = "9"
    & skf18("7","1","1","3","10","8","1") = "9"
    & skf18("7","1","1","3","10","9","1") = "9"
    & skf18("7","1","1","3","10","10","1") = "9"
    & skf18("7","1","1","4","1","1","1") = "6"
    & skf18("7","1","1","4","1","2","1") = "6"
    & skf18("7","1","1","4","1","3","1") = "6"
    & skf18("7","1","1","4","1","4","1") = "6"
    & skf18("7","1","1","4","1","5","1") = "6"
    & skf18("7","1","1","4","1","6","1") = "6"
    & skf18("7","1","1","4","1","7","1") = "6"
    & skf18("7","1","1","4","1","8","1") = "7"
    & skf18("7","1","1","4","1","9","1") = "8"
    & skf18("7","1","1","4","1","10","1") = "9"
    & skf18("7","1","1","4","2","1","1") = "6"
    & skf18("7","1","1","4","2","2","1") = "6"
    & skf18("7","1","1","4","2","3","1") = "6"
    & skf18("7","1","1","4","2","4","1") = "6"
    & skf18("7","1","1","4","2","5","1") = "6"
    & skf18("7","1","1","4","2","6","1") = "6"
    & skf18("7","1","1","4","2","7","1") = "6"
    & skf18("7","1","1","4","2","8","1") = "7"
    & skf18("7","1","1","4","2","9","1") = "8"
    & skf18("7","1","1","4","2","10","1") = "9"
    & skf18("7","1","1","4","3","1","1") = "6"
    & skf18("7","1","1","4","3","2","1") = "6"
    & skf18("7","1","1","4","3","3","1") = "6"
    & skf18("7","1","1","4","3","4","1") = "6"
    & skf18("7","1","1","4","3","5","1") = "6"
    & skf18("7","1","1","4","3","6","1") = "6"
    & skf18("7","1","1","4","3","7","1") = "6"
    & skf18("7","1","1","4","3","8","1") = "7"
    & skf18("7","1","1","4","3","9","1") = "8"
    & skf18("7","1","1","4","3","10","1") = "9"
    & skf18("7","1","1","4","4","1","1") = "6"
    & skf18("7","1","1","4","4","2","1") = "6"
    & skf18("7","1","1","4","4","3","1") = "6"
    & skf18("7","1","1","4","4","4","1") = "6"
    & skf18("7","1","1","4","4","5","1") = "6"
    & skf18("7","1","1","4","4","6","1") = "6"
    & skf18("7","1","1","4","4","7","1") = "6"
    & skf18("7","1","1","4","4","8","1") = "7"
    & skf18("7","1","1","4","4","9","1") = "8"
    & skf18("7","1","1","4","4","10","1") = "9"
    & skf18("7","1","1","4","5","1","1") = "6"
    & skf18("7","1","1","4","5","2","1") = "6"
    & skf18("7","1","1","4","5","3","1") = "6"
    & skf18("7","1","1","4","5","4","1") = "6"
    & skf18("7","1","1","4","5","5","1") = "6"
    & skf18("7","1","1","4","5","6","1") = "6"
    & skf18("7","1","1","4","5","7","1") = "6"
    & skf18("7","1","1","4","5","8","1") = "7"
    & skf18("7","1","1","4","5","9","1") = "8"
    & skf18("7","1","1","4","5","10","1") = "9"
    & skf18("7","1","1","4","6","1","1") = "6"
    & skf18("7","1","1","4","6","2","1") = "6"
    & skf18("7","1","1","4","6","3","1") = "6"
    & skf18("7","1","1","4","6","4","1") = "6"
    & skf18("7","1","1","4","6","5","1") = "6"
    & skf18("7","1","1","4","6","6","1") = "6"
    & skf18("7","1","1","4","6","7","1") = "6"
    & skf18("7","1","1","4","6","8","1") = "7"
    & skf18("7","1","1","4","6","9","1") = "8"
    & skf18("7","1","1","4","6","10","1") = "9"
    & skf18("7","1","1","4","7","1","1") = "6"
    & skf18("7","1","1","4","7","2","1") = "6"
    & skf18("7","1","1","4","7","3","1") = "6"
    & skf18("7","1","1","4","7","4","1") = "6"
    & skf18("7","1","1","4","7","5","1") = "6"
    & skf18("7","1","1","4","7","6","1") = "6"
    & skf18("7","1","1","4","7","7","1") = "6"
    & skf18("7","1","1","4","7","8","1") = "7"
    & skf18("7","1","1","4","7","9","1") = "8"
    & skf18("7","1","1","4","7","10","1") = "9"
    & skf18("7","1","1","4","8","1","1") = "7"
    & skf18("7","1","1","4","8","2","1") = "7"
    & skf18("7","1","1","4","8","3","1") = "7"
    & skf18("7","1","1","4","8","4","1") = "7"
    & skf18("7","1","1","4","8","5","1") = "7"
    & skf18("7","1","1","4","8","6","1") = "7"
    & skf18("7","1","1","4","8","7","1") = "7"
    & skf18("7","1","1","4","8","8","1") = "7"
    & skf18("7","1","1","4","8","9","1") = "8"
    & skf18("7","1","1","4","8","10","1") = "9"
    & skf18("7","1","1","4","9","1","1") = "8"
    & skf18("7","1","1","4","9","2","1") = "8"
    & skf18("7","1","1","4","9","3","1") = "8"
    & skf18("7","1","1","4","9","4","1") = "8"
    & skf18("7","1","1","4","9","5","1") = "8"
    & skf18("7","1","1","4","9","6","1") = "8"
    & skf18("7","1","1","4","9","7","1") = "8"
    & skf18("7","1","1","4","9","8","1") = "8"
    & skf18("7","1","1","4","9","9","1") = "8"
    & skf18("7","1","1","4","9","10","1") = "9"
    & skf18("7","1","1","4","10","1","1") = "9"
    & skf18("7","1","1","4","10","2","1") = "9"
    & skf18("7","1","1","4","10","3","1") = "9"
    & skf18("7","1","1","4","10","4","1") = "9"
    & skf18("7","1","1","4","10","5","1") = "9"
    & skf18("7","1","1","4","10","6","1") = "9"
    & skf18("7","1","1","4","10","7","1") = "9"
    & skf18("7","1","1","4","10","8","1") = "9"
    & skf18("7","1","1","4","10","9","1") = "9"
    & skf18("7","1","1","4","10","10","1") = "9"
    & skf18("7","1","1","5","1","1","1") = "6"
    & skf18("7","1","1","5","1","2","1") = "6"
    & skf18("7","1","1","5","1","3","1") = "6"
    & skf18("7","1","1","5","1","4","1") = "6"
    & skf18("7","1","1","5","1","5","1") = "6"
    & skf18("7","1","1","5","1","6","1") = "6"
    & skf18("7","1","1","5","1","7","1") = "6"
    & skf18("7","1","1","5","1","8","1") = "7"
    & skf18("7","1","1","5","1","9","1") = "8"
    & skf18("7","1","1","5","1","10","1") = "9"
    & skf18("7","1","1","5","2","1","1") = "6"
    & skf18("7","1","1","5","2","2","1") = "6"
    & skf18("7","1","1","5","2","3","1") = "6"
    & skf18("7","1","1","5","2","4","1") = "6"
    & skf18("7","1","1","5","2","5","1") = "6"
    & skf18("7","1","1","5","2","6","1") = "6"
    & skf18("7","1","1","5","2","7","1") = "6"
    & skf18("7","1","1","5","2","8","1") = "7"
    & skf18("7","1","1","5","2","9","1") = "8"
    & skf18("7","1","1","5","2","10","1") = "9"
    & skf18("7","1","1","5","3","1","1") = "6"
    & skf18("7","1","1","5","3","2","1") = "6"
    & skf18("7","1","1","5","3","3","1") = "6"
    & skf18("7","1","1","5","3","4","1") = "6"
    & skf18("7","1","1","5","3","5","1") = "6"
    & skf18("7","1","1","5","3","6","1") = "6"
    & skf18("7","1","1","5","3","7","1") = "6"
    & skf18("7","1","1","5","3","8","1") = "7"
    & skf18("7","1","1","5","3","9","1") = "8"
    & skf18("7","1","1","5","3","10","1") = "9"
    & skf18("7","1","1","5","4","1","1") = "6"
    & skf18("7","1","1","5","4","2","1") = "6"
    & skf18("7","1","1","5","4","3","1") = "6"
    & skf18("7","1","1","5","4","4","1") = "6"
    & skf18("7","1","1","5","4","5","1") = "6"
    & skf18("7","1","1","5","4","6","1") = "6"
    & skf18("7","1","1","5","4","7","1") = "6"
    & skf18("7","1","1","5","4","8","1") = "7"
    & skf18("7","1","1","5","4","9","1") = "8"
    & skf18("7","1","1","5","4","10","1") = "9"
    & skf18("7","1","1","5","5","1","1") = "6"
    & skf18("7","1","1","5","5","2","1") = "6"
    & skf18("7","1","1","5","5","3","1") = "6"
    & skf18("7","1","1","5","5","4","1") = "6"
    & skf18("7","1","1","5","5","5","1") = "6"
    & skf18("7","1","1","5","5","6","1") = "6"
    & skf18("7","1","1","5","5","7","1") = "6"
    & skf18("7","1","1","5","5","8","1") = "7"
    & skf18("7","1","1","5","5","9","1") = "8"
    & skf18("7","1","1","5","5","10","1") = "9"
    & skf18("7","1","1","5","6","1","1") = "6"
    & skf18("7","1","1","5","6","2","1") = "6"
    & skf18("7","1","1","5","6","3","1") = "6"
    & skf18("7","1","1","5","6","4","1") = "6"
    & skf18("7","1","1","5","6","5","1") = "6"
    & skf18("7","1","1","5","6","6","1") = "6"
    & skf18("7","1","1","5","6","7","1") = "6"
    & skf18("7","1","1","5","6","8","1") = "7"
    & skf18("7","1","1","5","6","9","1") = "8"
    & skf18("7","1","1","5","6","10","1") = "9"
    & skf18("7","1","1","5","7","1","1") = "6"
    & skf18("7","1","1","5","7","2","1") = "6"
    & skf18("7","1","1","5","7","3","1") = "6"
    & skf18("7","1","1","5","7","4","1") = "6"
    & skf18("7","1","1","5","7","5","1") = "6"
    & skf18("7","1","1","5","7","6","1") = "6"
    & skf18("7","1","1","5","7","7","1") = "6"
    & skf18("7","1","1","5","7","8","1") = "7"
    & skf18("7","1","1","5","7","9","1") = "8"
    & skf18("7","1","1","5","7","10","1") = "9"
    & skf18("7","1","1","5","8","1","1") = "7"
    & skf18("7","1","1","5","8","2","1") = "7"
    & skf18("7","1","1","5","8","3","1") = "7"
    & skf18("7","1","1","5","8","4","1") = "7"
    & skf18("7","1","1","5","8","5","1") = "7"
    & skf18("7","1","1","5","8","6","1") = "7"
    & skf18("7","1","1","5","8","7","1") = "7"
    & skf18("7","1","1","5","8","8","1") = "7"
    & skf18("7","1","1","5","8","9","1") = "8"
    & skf18("7","1","1","5","8","10","1") = "9"
    & skf18("7","1","1","5","9","1","1") = "8"
    & skf18("7","1","1","5","9","2","1") = "8"
    & skf18("7","1","1","5","9","3","1") = "8"
    & skf18("7","1","1","5","9","4","1") = "8"
    & skf18("7","1","1","5","9","5","1") = "8"
    & skf18("7","1","1","5","9","6","1") = "8"
    & skf18("7","1","1","5","9","7","1") = "8"
    & skf18("7","1","1","5","9","8","1") = "8"
    & skf18("7","1","1","5","9","9","1") = "8"
    & skf18("7","1","1","5","9","10","1") = "9"
    & skf18("7","1","1","5","10","1","1") = "9"
    & skf18("7","1","1","5","10","2","1") = "9"
    & skf18("7","1","1","5","10","3","1") = "9"
    & skf18("7","1","1","5","10","4","1") = "9"
    & skf18("7","1","1","5","10","5","1") = "9"
    & skf18("7","1","1","5","10","6","1") = "9"
    & skf18("7","1","1","5","10","7","1") = "9"
    & skf18("7","1","1","5","10","8","1") = "9"
    & skf18("7","1","1","5","10","9","1") = "9"
    & skf18("7","1","1","5","10","10","1") = "9"
    & skf18("7","1","1","6","1","1","1") = "6"
    & skf18("7","1","1","6","1","2","1") = "6"
    & skf18("7","1","1","6","1","3","1") = "6"
    & skf18("7","1","1","6","1","4","1") = "6"
    & skf18("7","1","1","6","1","5","1") = "6"
    & skf18("7","1","1","6","1","6","1") = "6"
    & skf18("7","1","1","6","1","7","1") = "6"
    & skf18("7","1","1","6","1","8","1") = "7"
    & skf18("7","1","1","6","1","9","1") = "8"
    & skf18("7","1","1","6","1","10","1") = "9"
    & skf18("7","1","1","6","2","1","1") = "6"
    & skf18("7","1","1","6","2","2","1") = "6"
    & skf18("7","1","1","6","2","3","1") = "6"
    & skf18("7","1","1","6","2","4","1") = "6"
    & skf18("7","1","1","6","2","5","1") = "6"
    & skf18("7","1","1","6","2","6","1") = "6"
    & skf18("7","1","1","6","2","7","1") = "6"
    & skf18("7","1","1","6","2","8","1") = "7"
    & skf18("7","1","1","6","2","9","1") = "8"
    & skf18("7","1","1","6","2","10","1") = "9"
    & skf18("7","1","1","6","3","1","1") = "6"
    & skf18("7","1","1","6","3","2","1") = "6"
    & skf18("7","1","1","6","3","3","1") = "6"
    & skf18("7","1","1","6","3","4","1") = "6"
    & skf18("7","1","1","6","3","5","1") = "6"
    & skf18("7","1","1","6","3","6","1") = "6"
    & skf18("7","1","1","6","3","7","1") = "6"
    & skf18("7","1","1","6","3","8","1") = "7"
    & skf18("7","1","1","6","3","9","1") = "8"
    & skf18("7","1","1","6","3","10","1") = "9"
    & skf18("7","1","1","6","4","1","1") = "6"
    & skf18("7","1","1","6","4","2","1") = "6"
    & skf18("7","1","1","6","4","3","1") = "6"
    & skf18("7","1","1","6","4","4","1") = "6"
    & skf18("7","1","1","6","4","5","1") = "6"
    & skf18("7","1","1","6","4","6","1") = "6"
    & skf18("7","1","1","6","4","7","1") = "6"
    & skf18("7","1","1","6","4","8","1") = "7"
    & skf18("7","1","1","6","4","9","1") = "8"
    & skf18("7","1","1","6","4","10","1") = "9"
    & skf18("7","1","1","6","5","1","1") = "6"
    & skf18("7","1","1","6","5","2","1") = "6"
    & skf18("7","1","1","6","5","3","1") = "6"
    & skf18("7","1","1","6","5","4","1") = "6"
    & skf18("7","1","1","6","5","5","1") = "6"
    & skf18("7","1","1","6","5","6","1") = "6"
    & skf18("7","1","1","6","5","7","1") = "6"
    & skf18("7","1","1","6","5","8","1") = "7"
    & skf18("7","1","1","6","5","9","1") = "8"
    & skf18("7","1","1","6","5","10","1") = "9"
    & skf18("7","1","1","6","6","1","1") = "6"
    & skf18("7","1","1","6","6","2","1") = "6"
    & skf18("7","1","1","6","6","3","1") = "6"
    & skf18("7","1","1","6","6","4","1") = "6"
    & skf18("7","1","1","6","6","5","1") = "6"
    & skf18("7","1","1","6","6","6","1") = "6"
    & skf18("7","1","1","6","6","7","1") = "6"
    & skf18("7","1","1","6","6","8","1") = "7"
    & skf18("7","1","1","6","6","9","1") = "8"
    & skf18("7","1","1","6","6","10","1") = "9"
    & skf18("7","1","1","6","7","1","1") = "6"
    & skf18("7","1","1","6","7","2","1") = "6"
    & skf18("7","1","1","6","7","3","1") = "6"
    & skf18("7","1","1","6","7","4","1") = "6"
    & skf18("7","1","1","6","7","5","1") = "6"
    & skf18("7","1","1","6","7","6","1") = "6"
    & skf18("7","1","1","6","7","7","1") = "6"
    & skf18("7","1","1","6","7","8","1") = "7"
    & skf18("7","1","1","6","7","9","1") = "8"
    & skf18("7","1","1","6","7","10","1") = "9"
    & skf18("7","1","1","6","8","1","1") = "7"
    & skf18("7","1","1","6","8","2","1") = "7"
    & skf18("7","1","1","6","8","3","1") = "7"
    & skf18("7","1","1","6","8","4","1") = "7"
    & skf18("7","1","1","6","8","5","1") = "7"
    & skf18("7","1","1","6","8","6","1") = "7"
    & skf18("7","1","1","6","8","7","1") = "7"
    & skf18("7","1","1","6","8","8","1") = "7"
    & skf18("7","1","1","6","8","9","1") = "8"
    & skf18("7","1","1","6","8","10","1") = "9"
    & skf18("7","1","1","6","9","1","1") = "8"
    & skf18("7","1","1","6","9","2","1") = "8"
    & skf18("7","1","1","6","9","3","1") = "8"
    & skf18("7","1","1","6","9","4","1") = "8"
    & skf18("7","1","1","6","9","5","1") = "8"
    & skf18("7","1","1","6","9","6","1") = "8"
    & skf18("7","1","1","6","9","7","1") = "8"
    & skf18("7","1","1","6","9","8","1") = "8"
    & skf18("7","1","1","6","9","9","1") = "8"
    & skf18("7","1","1","6","9","10","1") = "9"
    & skf18("7","1","1","6","10","1","1") = "9"
    & skf18("7","1","1","6","10","2","1") = "9"
    & skf18("7","1","1","6","10","3","1") = "9"
    & skf18("7","1","1","6","10","4","1") = "9"
    & skf18("7","1","1","6","10","5","1") = "9"
    & skf18("7","1","1","6","10","6","1") = "9"
    & skf18("7","1","1","6","10","7","1") = "9"
    & skf18("7","1","1","6","10","8","1") = "9"
    & skf18("7","1","1","6","10","9","1") = "9"
    & skf18("7","1","1","6","10","10","1") = "9"
    & skf18("7","1","1","7","1","1","1") = "6"
    & skf18("7","1","1","7","1","2","1") = "6"
    & skf18("7","1","1","7","1","3","1") = "6"
    & skf18("7","1","1","7","1","4","1") = "6"
    & skf18("7","1","1","7","1","5","1") = "6"
    & skf18("7","1","1","7","1","6","1") = "6"
    & skf18("7","1","1","7","1","7","1") = "6"
    & skf18("7","1","1","7","1","8","1") = "7"
    & skf18("7","1","1","7","1","9","1") = "8"
    & skf18("7","1","1","7","1","10","1") = "9"
    & skf18("7","1","1","7","2","1","1") = "6"
    & skf18("7","1","1","7","2","2","1") = "6"
    & skf18("7","1","1","7","2","3","1") = "6"
    & skf18("7","1","1","7","2","4","1") = "6"
    & skf18("7","1","1","7","2","5","1") = "6"
    & skf18("7","1","1","7","2","6","1") = "6"
    & skf18("7","1","1","7","2","7","1") = "6"
    & skf18("7","1","1","7","2","8","1") = "7"
    & skf18("7","1","1","7","2","9","1") = "8"
    & skf18("7","1","1","7","2","10","1") = "9"
    & skf18("7","1","1","7","3","1","1") = "6"
    & skf18("7","1","1","7","3","2","1") = "6"
    & skf18("7","1","1","7","3","3","1") = "6"
    & skf18("7","1","1","7","3","4","1") = "6"
    & skf18("7","1","1","7","3","5","1") = "6"
    & skf18("7","1","1","7","3","6","1") = "6"
    & skf18("7","1","1","7","3","7","1") = "6"
    & skf18("7","1","1","7","3","8","1") = "7"
    & skf18("7","1","1","7","3","9","1") = "8"
    & skf18("7","1","1","7","3","10","1") = "9"
    & skf18("7","1","1","7","4","1","1") = "6"
    & skf18("7","1","1","7","4","2","1") = "6"
    & skf18("7","1","1","7","4","3","1") = "6"
    & skf18("7","1","1","7","4","4","1") = "6"
    & skf18("7","1","1","7","4","5","1") = "6"
    & skf18("7","1","1","7","4","6","1") = "6"
    & skf18("7","1","1","7","4","7","1") = "6"
    & skf18("7","1","1","7","4","8","1") = "7"
    & skf18("7","1","1","7","4","9","1") = "8"
    & skf18("7","1","1","7","4","10","1") = "9"
    & skf18("7","1","1","7","5","1","1") = "6"
    & skf18("7","1","1","7","5","2","1") = "6"
    & skf18("7","1","1","7","5","3","1") = "6"
    & skf18("7","1","1","7","5","4","1") = "6"
    & skf18("7","1","1","7","5","5","1") = "6"
    & skf18("7","1","1","7","5","6","1") = "6"
    & skf18("7","1","1","7","5","7","1") = "6"
    & skf18("7","1","1","7","5","8","1") = "7"
    & skf18("7","1","1","7","5","9","1") = "8"
    & skf18("7","1","1","7","5","10","1") = "9"
    & skf18("7","1","1","7","6","1","1") = "6"
    & skf18("7","1","1","7","6","2","1") = "6"
    & skf18("7","1","1","7","6","3","1") = "6"
    & skf18("7","1","1","7","6","4","1") = "6"
    & skf18("7","1","1","7","6","5","1") = "6"
    & skf18("7","1","1","7","6","6","1") = "6"
    & skf18("7","1","1","7","6","7","1") = "6"
    & skf18("7","1","1","7","6","8","1") = "7"
    & skf18("7","1","1","7","6","9","1") = "8"
    & skf18("7","1","1","7","6","10","1") = "9"
    & skf18("7","1","1","7","7","1","1") = "6"
    & skf18("7","1","1","7","7","2","1") = "6"
    & skf18("7","1","1","7","7","3","1") = "6"
    & skf18("7","1","1","7","7","4","1") = "6"
    & skf18("7","1","1","7","7","5","1") = "6"
    & skf18("7","1","1","7","7","6","1") = "6"
    & skf18("7","1","1","7","7","7","1") = "6"
    & skf18("7","1","1","7","7","8","1") = "7"
    & skf18("7","1","1","7","7","9","1") = "8"
    & skf18("7","1","1","7","7","10","1") = "9"
    & skf18("7","1","1","7","8","1","1") = "7"
    & skf18("7","1","1","7","8","2","1") = "7"
    & skf18("7","1","1","7","8","3","1") = "7"
    & skf18("7","1","1","7","8","4","1") = "7"
    & skf18("7","1","1","7","8","5","1") = "7"
    & skf18("7","1","1","7","8","6","1") = "7"
    & skf18("7","1","1","7","8","7","1") = "7"
    & skf18("7","1","1","7","8","8","1") = "7"
    & skf18("7","1","1","7","8","9","1") = "8"
    & skf18("7","1","1","7","8","10","1") = "9"
    & skf18("7","1","1","7","9","1","1") = "8"
    & skf18("7","1","1","7","9","2","1") = "8"
    & skf18("7","1","1","7","9","3","1") = "8"
    & skf18("7","1","1","7","9","4","1") = "8"
    & skf18("7","1","1","7","9","5","1") = "8"
    & skf18("7","1","1","7","9","6","1") = "8"
    & skf18("7","1","1","7","9","7","1") = "8"
    & skf18("7","1","1","7","9","8","1") = "8"
    & skf18("7","1","1","7","9","9","1") = "8"
    & skf18("7","1","1","7","9","10","1") = "9"
    & skf18("7","1","1","7","10","1","1") = "9"
    & skf18("7","1","1","7","10","2","1") = "9"
    & skf18("7","1","1","7","10","3","1") = "9"
    & skf18("7","1","1","7","10","4","1") = "9"
    & skf18("7","1","1","7","10","5","1") = "9"
    & skf18("7","1","1","7","10","6","1") = "9"
    & skf18("7","1","1","7","10","7","1") = "9"
    & skf18("7","1","1","7","10","8","1") = "9"
    & skf18("7","1","1","7","10","9","1") = "9"
    & skf18("7","1","1","7","10","10","1") = "9"
    & skf18("7","1","1","8","1","1","1") = "7"
    & skf18("7","1","1","8","1","2","1") = "7"
    & skf18("7","1","1","8","1","3","1") = "7"
    & skf18("7","1","1","8","1","4","1") = "7"
    & skf18("7","1","1","8","1","5","1") = "7"
    & skf18("7","1","1","8","1","6","1") = "7"
    & skf18("7","1","1","8","1","7","1") = "7"
    & skf18("7","1","1","8","1","8","1") = "7"
    & skf18("7","1","1","8","1","9","1") = "8"
    & skf18("7","1","1","8","1","10","1") = "9"
    & skf18("7","1","1","8","2","1","1") = "7"
    & skf18("7","1","1","8","2","2","1") = "7"
    & skf18("7","1","1","8","2","3","1") = "7"
    & skf18("7","1","1","8","2","4","1") = "7"
    & skf18("7","1","1","8","2","5","1") = "7"
    & skf18("7","1","1","8","2","6","1") = "7"
    & skf18("7","1","1","8","2","7","1") = "7"
    & skf18("7","1","1","8","2","8","1") = "7"
    & skf18("7","1","1","8","2","9","1") = "8"
    & skf18("7","1","1","8","2","10","1") = "9"
    & skf18("7","1","1","8","3","1","1") = "7"
    & skf18("7","1","1","8","3","2","1") = "7"
    & skf18("7","1","1","8","3","3","1") = "7"
    & skf18("7","1","1","8","3","4","1") = "7"
    & skf18("7","1","1","8","3","5","1") = "7"
    & skf18("7","1","1","8","3","6","1") = "7"
    & skf18("7","1","1","8","3","7","1") = "7"
    & skf18("7","1","1","8","3","8","1") = "7"
    & skf18("7","1","1","8","3","9","1") = "8"
    & skf18("7","1","1","8","3","10","1") = "9"
    & skf18("7","1","1","8","4","1","1") = "7"
    & skf18("7","1","1","8","4","2","1") = "7"
    & skf18("7","1","1","8","4","3","1") = "7"
    & skf18("7","1","1","8","4","4","1") = "7"
    & skf18("7","1","1","8","4","5","1") = "7"
    & skf18("7","1","1","8","4","6","1") = "7"
    & skf18("7","1","1","8","4","7","1") = "7"
    & skf18("7","1","1","8","4","8","1") = "7"
    & skf18("7","1","1","8","4","9","1") = "8"
    & skf18("7","1","1","8","4","10","1") = "9"
    & skf18("7","1","1","8","5","1","1") = "7"
    & skf18("7","1","1","8","5","2","1") = "7"
    & skf18("7","1","1","8","5","3","1") = "7"
    & skf18("7","1","1","8","5","4","1") = "7"
    & skf18("7","1","1","8","5","5","1") = "7"
    & skf18("7","1","1","8","5","6","1") = "7"
    & skf18("7","1","1","8","5","7","1") = "7"
    & skf18("7","1","1","8","5","8","1") = "7"
    & skf18("7","1","1","8","5","9","1") = "8"
    & skf18("7","1","1","8","5","10","1") = "9"
    & skf18("7","1","1","8","6","1","1") = "7"
    & skf18("7","1","1","8","6","2","1") = "7"
    & skf18("7","1","1","8","6","3","1") = "7"
    & skf18("7","1","1","8","6","4","1") = "7"
    & skf18("7","1","1","8","6","5","1") = "7"
    & skf18("7","1","1","8","6","6","1") = "7"
    & skf18("7","1","1","8","6","7","1") = "7"
    & skf18("7","1","1","8","6","8","1") = "7"
    & skf18("7","1","1","8","6","9","1") = "8"
    & skf18("7","1","1","8","6","10","1") = "9"
    & skf18("7","1","1","8","7","1","1") = "7"
    & skf18("7","1","1","8","7","2","1") = "7"
    & skf18("7","1","1","8","7","3","1") = "7"
    & skf18("7","1","1","8","7","4","1") = "7"
    & skf18("7","1","1","8","7","5","1") = "7"
    & skf18("7","1","1","8","7","6","1") = "7"
    & skf18("7","1","1","8","7","7","1") = "7"
    & skf18("7","1","1","8","7","8","1") = "7"
    & skf18("7","1","1","8","7","9","1") = "8"
    & skf18("7","1","1","8","7","10","1") = "9"
    & skf18("7","1","1","8","8","1","1") = "7"
    & skf18("7","1","1","8","8","2","1") = "7"
    & skf18("7","1","1","8","8","3","1") = "7"
    & skf18("7","1","1","8","8","4","1") = "7"
    & skf18("7","1","1","8","8","5","1") = "7"
    & skf18("7","1","1","8","8","6","1") = "7"
    & skf18("7","1","1","8","8","7","1") = "7"
    & skf18("7","1","1","8","8","8","1") = "7"
    & skf18("7","1","1","8","8","9","1") = "8"
    & skf18("7","1","1","8","8","10","1") = "9"
    & skf18("7","1","1","8","9","1","1") = "8"
    & skf18("7","1","1","8","9","2","1") = "8"
    & skf18("7","1","1","8","9","3","1") = "8"
    & skf18("7","1","1","8","9","4","1") = "8"
    & skf18("7","1","1","8","9","5","1") = "8"
    & skf18("7","1","1","8","9","6","1") = "8"
    & skf18("7","1","1","8","9","7","1") = "8"
    & skf18("7","1","1","8","9","8","1") = "8"
    & skf18("7","1","1","8","9","9","1") = "8"
    & skf18("7","1","1","8","9","10","1") = "9"
    & skf18("7","1","1","8","10","1","1") = "9"
    & skf18("7","1","1","8","10","2","1") = "9"
    & skf18("7","1","1","8","10","3","1") = "9"
    & skf18("7","1","1","8","10","4","1") = "9"
    & skf18("7","1","1","8","10","5","1") = "9"
    & skf18("7","1","1","8","10","6","1") = "9"
    & skf18("7","1","1","8","10","7","1") = "9"
    & skf18("7","1","1","8","10","8","1") = "9"
    & skf18("7","1","1","8","10","9","1") = "9"
    & skf18("7","1","1","8","10","10","1") = "9"
    & skf18("7","1","1","9","1","1","1") = "8"
    & skf18("7","1","1","9","1","2","1") = "8"
    & skf18("7","1","1","9","1","3","1") = "8"
    & skf18("7","1","1","9","1","4","1") = "8"
    & skf18("7","1","1","9","1","5","1") = "8"
    & skf18("7","1","1","9","1","6","1") = "8"
    & skf18("7","1","1","9","1","7","1") = "8"
    & skf18("7","1","1","9","1","8","1") = "8"
    & skf18("7","1","1","9","1","9","1") = "8"
    & skf18("7","1","1","9","1","10","1") = "9"
    & skf18("7","1","1","9","2","1","1") = "8"
    & skf18("7","1","1","9","2","2","1") = "8"
    & skf18("7","1","1","9","2","3","1") = "8"
    & skf18("7","1","1","9","2","4","1") = "8"
    & skf18("7","1","1","9","2","5","1") = "8"
    & skf18("7","1","1","9","2","6","1") = "8"
    & skf18("7","1","1","9","2","7","1") = "8"
    & skf18("7","1","1","9","2","8","1") = "8"
    & skf18("7","1","1","9","2","9","1") = "8"
    & skf18("7","1","1","9","2","10","1") = "9"
    & skf18("7","1","1","9","3","1","1") = "8"
    & skf18("7","1","1","9","3","2","1") = "8"
    & skf18("7","1","1","9","3","3","1") = "8"
    & skf18("7","1","1","9","3","4","1") = "8"
    & skf18("7","1","1","9","3","5","1") = "8"
    & skf18("7","1","1","9","3","6","1") = "8"
    & skf18("7","1","1","9","3","7","1") = "8"
    & skf18("7","1","1","9","3","8","1") = "8"
    & skf18("7","1","1","9","3","9","1") = "8"
    & skf18("7","1","1","9","3","10","1") = "9"
    & skf18("7","1","1","9","4","1","1") = "8"
    & skf18("7","1","1","9","4","2","1") = "8"
    & skf18("7","1","1","9","4","3","1") = "8"
    & skf18("7","1","1","9","4","4","1") = "8"
    & skf18("7","1","1","9","4","5","1") = "8"
    & skf18("7","1","1","9","4","6","1") = "8"
    & skf18("7","1","1","9","4","7","1") = "8"
    & skf18("7","1","1","9","4","8","1") = "8"
    & skf18("7","1","1","9","4","9","1") = "8"
    & skf18("7","1","1","9","4","10","1") = "9"
    & skf18("7","1","1","9","5","1","1") = "8"
    & skf18("7","1","1","9","5","2","1") = "8"
    & skf18("7","1","1","9","5","3","1") = "8"
    & skf18("7","1","1","9","5","4","1") = "8"
    & skf18("7","1","1","9","5","5","1") = "8"
    & skf18("7","1","1","9","5","6","1") = "8"
    & skf18("7","1","1","9","5","7","1") = "8"
    & skf18("7","1","1","9","5","8","1") = "8"
    & skf18("7","1","1","9","5","9","1") = "8"
    & skf18("7","1","1","9","5","10","1") = "9"
    & skf18("7","1","1","9","6","1","1") = "8"
    & skf18("7","1","1","9","6","2","1") = "8"
    & skf18("7","1","1","9","6","3","1") = "8"
    & skf18("7","1","1","9","6","4","1") = "8"
    & skf18("7","1","1","9","6","5","1") = "8"
    & skf18("7","1","1","9","6","6","1") = "8"
    & skf18("7","1","1","9","6","7","1") = "8"
    & skf18("7","1","1","9","6","8","1") = "8"
    & skf18("7","1","1","9","6","9","1") = "8"
    & skf18("7","1","1","9","6","10","1") = "9"
    & skf18("7","1","1","9","7","1","1") = "8"
    & skf18("7","1","1","9","7","2","1") = "8"
    & skf18("7","1","1","9","7","3","1") = "8"
    & skf18("7","1","1","9","7","4","1") = "8"
    & skf18("7","1","1","9","7","5","1") = "8"
    & skf18("7","1","1","9","7","6","1") = "8"
    & skf18("7","1","1","9","7","7","1") = "8"
    & skf18("7","1","1","9","7","8","1") = "8"
    & skf18("7","1","1","9","7","9","1") = "8"
    & skf18("7","1","1","9","7","10","1") = "9"
    & skf18("7","1","1","9","8","1","1") = "8"
    & skf18("7","1","1","9","8","2","1") = "8"
    & skf18("7","1","1","9","8","3","1") = "8"
    & skf18("7","1","1","9","8","4","1") = "8"
    & skf18("7","1","1","9","8","5","1") = "8"
    & skf18("7","1","1","9","8","6","1") = "8"
    & skf18("7","1","1","9","8","7","1") = "8"
    & skf18("7","1","1","9","8","8","1") = "8"
    & skf18("7","1","1","9","8","9","1") = "8"
    & skf18("7","1","1","9","8","10","1") = "9"
    & skf18("7","1","1","9","9","1","1") = "8"
    & skf18("7","1","1","9","9","2","1") = "8"
    & skf18("7","1","1","9","9","3","1") = "8"
    & skf18("7","1","1","9","9","4","1") = "8"
    & skf18("7","1","1","9","9","5","1") = "8"
    & skf18("7","1","1","9","9","6","1") = "8"
    & skf18("7","1","1","9","9","7","1") = "8"
    & skf18("7","1","1","9","9","8","1") = "8"
    & skf18("7","1","1","9","9","9","1") = "8"
    & skf18("7","1","1","9","9","10","1") = "9"
    & skf18("7","1","1","9","10","1","1") = "9"
    & skf18("7","1","1","9","10","2","1") = "9"
    & skf18("7","1","1","9","10","3","1") = "9"
    & skf18("7","1","1","9","10","4","1") = "9"
    & skf18("7","1","1","9","10","5","1") = "9"
    & skf18("7","1","1","9","10","6","1") = "9"
    & skf18("7","1","1","9","10","7","1") = "9"
    & skf18("7","1","1","9","10","8","1") = "9"
    & skf18("7","1","1","9","10","9","1") = "9"
    & skf18("7","1","1","9","10","10","1") = "9"
    & skf18("7","1","1","10","1","1","1") = "9"
    & skf18("7","1","1","10","1","2","1") = "9"
    & skf18("7","1","1","10","1","3","1") = "9"
    & skf18("7","1","1","10","1","4","1") = "9"
    & skf18("7","1","1","10","1","5","1") = "9"
    & skf18("7","1","1","10","1","6","1") = "9"
    & skf18("7","1","1","10","1","7","1") = "9"
    & skf18("7","1","1","10","1","8","1") = "9"
    & skf18("7","1","1","10","1","9","1") = "9"
    & skf18("7","1","1","10","1","10","1") = "9"
    & skf18("7","1","1","10","2","1","1") = "9"
    & skf18("7","1","1","10","2","2","1") = "9"
    & skf18("7","1","1","10","2","3","1") = "9"
    & skf18("7","1","1","10","2","4","1") = "9"
    & skf18("7","1","1","10","2","5","1") = "9"
    & skf18("7","1","1","10","2","6","1") = "9"
    & skf18("7","1","1","10","2","7","1") = "9"
    & skf18("7","1","1","10","2","8","1") = "9"
    & skf18("7","1","1","10","2","9","1") = "9"
    & skf18("7","1","1","10","2","10","1") = "9"
    & skf18("7","1","1","10","3","1","1") = "9"
    & skf18("7","1","1","10","3","2","1") = "9"
    & skf18("7","1","1","10","3","3","1") = "9"
    & skf18("7","1","1","10","3","4","1") = "9"
    & skf18("7","1","1","10","3","5","1") = "9"
    & skf18("7","1","1","10","3","6","1") = "9"
    & skf18("7","1","1","10","3","7","1") = "9"
    & skf18("7","1","1","10","3","8","1") = "9"
    & skf18("7","1","1","10","3","9","1") = "9"
    & skf18("7","1","1","10","3","10","1") = "9"
    & skf18("7","1","1","10","4","1","1") = "9"
    & skf18("7","1","1","10","4","2","1") = "9"
    & skf18("7","1","1","10","4","3","1") = "9"
    & skf18("7","1","1","10","4","4","1") = "9"
    & skf18("7","1","1","10","4","5","1") = "9"
    & skf18("7","1","1","10","4","6","1") = "9"
    & skf18("7","1","1","10","4","7","1") = "9"
    & skf18("7","1","1","10","4","8","1") = "9"
    & skf18("7","1","1","10","4","9","1") = "9"
    & skf18("7","1","1","10","4","10","1") = "9"
    & skf18("7","1","1","10","5","1","1") = "9"
    & skf18("7","1","1","10","5","2","1") = "9"
    & skf18("7","1","1","10","5","3","1") = "9"
    & skf18("7","1","1","10","5","4","1") = "9"
    & skf18("7","1","1","10","5","5","1") = "9"
    & skf18("7","1","1","10","5","6","1") = "9"
    & skf18("7","1","1","10","5","7","1") = "9"
    & skf18("7","1","1","10","5","8","1") = "9"
    & skf18("7","1","1","10","5","9","1") = "9"
    & skf18("7","1","1","10","5","10","1") = "9"
    & skf18("7","1","1","10","6","1","1") = "9"
    & skf18("7","1","1","10","6","2","1") = "9"
    & skf18("7","1","1","10","6","3","1") = "9"
    & skf18("7","1","1","10","6","4","1") = "9"
    & skf18("7","1","1","10","6","5","1") = "9"
    & skf18("7","1","1","10","6","6","1") = "9"
    & skf18("7","1","1","10","6","7","1") = "9"
    & skf18("7","1","1","10","6","8","1") = "9"
    & skf18("7","1","1","10","6","9","1") = "9"
    & skf18("7","1","1","10","6","10","1") = "9"
    & skf18("7","1","1","10","7","1","1") = "9"
    & skf18("7","1","1","10","7","2","1") = "9"
    & skf18("7","1","1","10","7","3","1") = "9"
    & skf18("7","1","1","10","7","4","1") = "9"
    & skf18("7","1","1","10","7","5","1") = "9"
    & skf18("7","1","1","10","7","6","1") = "9"
    & skf18("7","1","1","10","7","7","1") = "9"
    & skf18("7","1","1","10","7","8","1") = "9"
    & skf18("7","1","1","10","7","9","1") = "9"
    & skf18("7","1","1","10","7","10","1") = "9"
    & skf18("7","1","1","10","8","1","1") = "9"
    & skf18("7","1","1","10","8","2","1") = "9"
    & skf18("7","1","1","10","8","3","1") = "9"
    & skf18("7","1","1","10","8","4","1") = "9"
    & skf18("7","1","1","10","8","5","1") = "9"
    & skf18("7","1","1","10","8","6","1") = "9"
    & skf18("7","1","1","10","8","7","1") = "9"
    & skf18("7","1","1","10","8","8","1") = "9"
    & skf18("7","1","1","10","8","9","1") = "9"
    & skf18("7","1","1","10","8","10","1") = "9"
    & skf18("7","1","1","10","9","1","1") = "9"
    & skf18("7","1","1","10","9","2","1") = "9"
    & skf18("7","1","1","10","9","3","1") = "9"
    & skf18("7","1","1","10","9","4","1") = "9"
    & skf18("7","1","1","10","9","5","1") = "9"
    & skf18("7","1","1","10","9","6","1") = "9"
    & skf18("7","1","1","10","9","7","1") = "9"
    & skf18("7","1","1","10","9","8","1") = "9"
    & skf18("7","1","1","10","9","9","1") = "9"
    & skf18("7","1","1","10","9","10","1") = "9"
    & skf18("7","1","1","10","10","1","1") = "9"
    & skf18("7","1","1","10","10","2","1") = "9"
    & skf18("7","1","1","10","10","3","1") = "9"
    & skf18("7","1","1","10","10","4","1") = "9"
    & skf18("7","1","1","10","10","5","1") = "9"
    & skf18("7","1","1","10","10","6","1") = "9"
    & skf18("7","1","1","10","10","7","1") = "9"
    & skf18("7","1","1","10","10","8","1") = "9"
    & skf18("7","1","1","10","10","9","1") = "9"
    & skf18("7","1","1","10","10","10","1") = "9"
    & skf18("7","1","2","1","1","1","1") = "6"
    & skf18("7","1","2","1","1","2","1") = "6"
    & skf18("7","1","2","1","1","3","1") = "6"
    & skf18("7","1","2","1","1","4","1") = "6"
    & skf18("7","1","2","1","1","5","1") = "6"
    & skf18("7","1","2","1","1","6","1") = "6"
    & skf18("7","1","2","1","1","7","1") = "6"
    & skf18("7","1","2","1","1","8","1") = "7"
    & skf18("7","1","2","1","1","9","1") = "8"
    & skf18("7","1","2","1","1","10","1") = "9"
    & skf18("7","1","2","1","2","1","1") = "6"
    & skf18("7","1","2","1","2","2","1") = "6"
    & skf18("7","1","2","1","2","3","1") = "6"
    & skf18("7","1","2","1","2","4","1") = "6"
    & skf18("7","1","2","1","2","5","1") = "6"
    & skf18("7","1","2","1","2","6","1") = "6"
    & skf18("7","1","2","1","2","7","1") = "6"
    & skf18("7","1","2","1","2","8","1") = "7"
    & skf18("7","1","2","1","2","9","1") = "8"
    & skf18("7","1","2","1","2","10","1") = "9"
    & skf18("7","1","2","1","3","1","1") = "6"
    & skf18("7","1","2","1","3","2","1") = "6"
    & skf18("7","1","2","1","3","3","1") = "6"
    & skf18("7","1","2","1","3","4","1") = "6"
    & skf18("7","1","2","1","3","5","1") = "6"
    & skf18("7","1","2","1","3","6","1") = "6"
    & skf18("7","1","2","1","3","7","1") = "6"
    & skf18("7","1","2","1","3","8","1") = "7"
    & skf18("7","1","2","1","3","9","1") = "8"
    & skf18("7","1","2","1","3","10","1") = "9"
    & skf18("7","1","2","1","4","1","1") = "6"
    & skf18("7","1","2","1","4","2","1") = "6"
    & skf18("7","1","2","1","4","3","1") = "6"
    & skf18("7","1","2","1","4","4","1") = "6"
    & skf18("7","1","2","1","4","5","1") = "6"
    & skf18("7","1","2","1","4","6","1") = "6"
    & skf18("7","1","2","1","4","7","1") = "6"
    & skf18("7","1","2","1","4","8","1") = "7"
    & skf18("7","1","2","1","4","9","1") = "8"
    & skf18("7","1","2","1","4","10","1") = "9"
    & skf18("7","1","2","1","5","1","1") = "6"
    & skf18("7","1","2","1","5","2","1") = "6"
    & skf18("7","1","2","1","5","3","1") = "6"
    & skf18("7","1","2","1","5","4","1") = "6"
    & skf18("7","1","2","1","5","5","1") = "6"
    & skf18("7","1","2","1","5","6","1") = "6"
    & skf18("7","1","2","1","5","7","1") = "6"
    & skf18("7","1","2","1","5","8","1") = "7"
    & skf18("7","1","2","1","5","9","1") = "8"
    & skf18("7","1","2","1","5","10","1") = "9"
    & skf18("7","1","2","1","6","1","1") = "6"
    & skf18("7","1","2","1","6","2","1") = "6"
    & skf18("7","1","2","1","6","3","1") = "6"
    & skf18("7","1","2","1","6","4","1") = "6"
    & skf18("7","1","2","1","6","5","1") = "6"
    & skf18("7","1","2","1","6","6","1") = "6"
    & skf18("7","1","2","1","6","7","1") = "6"
    & skf18("7","1","2","1","6","8","1") = "7"
    & skf18("7","1","2","1","6","9","1") = "8"
    & skf18("7","1","2","1","6","10","1") = "9"
    & skf18("7","1","2","1","7","1","1") = "6"
    & skf18("7","1","2","1","7","2","1") = "6"
    & skf18("7","1","2","1","7","3","1") = "6"
    & skf18("7","1","2","1","7","4","1") = "6"
    & skf18("7","1","2","1","7","5","1") = "6"
    & skf18("7","1","2","1","7","6","1") = "6"
    & skf18("7","1","2","1","7","7","1") = "6"
    & skf18("7","1","2","1","7","8","1") = "7"
    & skf18("7","1","2","1","7","9","1") = "8"
    & skf18("7","1","2","1","7","10","1") = "9"
    & skf18("7","1","2","1","8","1","1") = "7"
    & skf18("7","1","2","1","8","2","1") = "7"
    & skf18("7","1","2","1","8","3","1") = "7"
    & skf18("7","1","2","1","8","4","1") = "7"
    & skf18("7","1","2","1","8","5","1") = "7"
    & skf18("7","1","2","1","8","6","1") = "7"
    & skf18("7","1","2","1","8","7","1") = "7"
    & skf18("7","1","2","1","8","8","1") = "7"
    & skf18("7","1","2","1","8","9","1") = "8"
    & skf18("7","1","2","1","8","10","1") = "9"
    & skf18("7","1","2","1","9","1","1") = "8"
    & skf18("7","1","2","1","9","2","1") = "8"
    & skf18("7","1","2","1","9","3","1") = "8"
    & skf18("7","1","2","1","9","4","1") = "8"
    & skf18("7","1","2","1","9","5","1") = "8"
    & skf18("7","1","2","1","9","6","1") = "8"
    & skf18("7","1","2","1","9","7","1") = "8"
    & skf18("7","1","2","1","9","8","1") = "8"
    & skf18("7","1","2","1","9","9","1") = "8"
    & skf18("7","1","2","1","9","10","1") = "9"
    & skf18("7","1","2","1","10","1","1") = "9"
    & skf18("7","1","2","1","10","2","1") = "9"
    & skf18("7","1","2","1","10","3","1") = "9"
    & skf18("7","1","2","1","10","4","1") = "9"
    & skf18("7","1","2","1","10","5","1") = "9"
    & skf18("7","1","2","1","10","6","1") = "9"
    & skf18("7","1","2","1","10","7","1") = "9"
    & skf18("7","1","2","1","10","8","1") = "9"
    & skf18("7","1","2","1","10","9","1") = "9"
    & skf18("7","1","2","1","10","10","1") = "9"
    & skf18("7","1","2","2","1","1","1") = "6"
    & skf18("7","1","2","2","1","2","1") = "6"
    & skf18("7","1","2","2","1","3","1") = "6"
    & skf18("7","1","2","2","1","4","1") = "6"
    & skf18("7","1","2","2","1","5","1") = "6"
    & skf18("7","1","2","2","1","6","1") = "6"
    & skf18("7","1","2","2","1","7","1") = "6"
    & skf18("7","1","2","2","1","8","1") = "7"
    & skf18("7","1","2","2","1","9","1") = "8"
    & skf18("7","1","2","2","1","10","1") = "9"
    & skf18("7","1","2","2","2","1","1") = "6"
    & skf18("7","1","2","2","2","2","1") = "6"
    & skf18("7","1","2","2","2","3","1") = "6"
    & skf18("7","1","2","2","2","4","1") = "6"
    & skf18("7","1","2","2","2","5","1") = "6"
    & skf18("7","1","2","2","2","6","1") = "6"
    & skf18("7","1","2","2","2","7","1") = "6"
    & skf18("7","1","2","2","2","8","1") = "7"
    & skf18("7","1","2","2","2","9","1") = "8"
    & skf18("7","1","2","2","2","10","1") = "9"
    & skf18("7","1","2","2","3","1","1") = "6"
    & skf18("7","1","2","2","3","2","1") = "6"
    & skf18("7","1","2","2","3","3","1") = "6"
    & skf18("7","1","2","2","3","4","1") = "6"
    & skf18("7","1","2","2","3","5","1") = "6"
    & skf18("7","1","2","2","3","6","1") = "6"
    & skf18("7","1","2","2","3","7","1") = "6"
    & skf18("7","1","2","2","3","8","1") = "7"
    & skf18("7","1","2","2","3","9","1") = "8"
    & skf18("7","1","2","2","3","10","1") = "9"
    & skf18("7","1","2","2","4","1","1") = "6"
    & skf18("7","1","2","2","4","2","1") = "6"
    & skf18("7","1","2","2","4","3","1") = "6"
    & skf18("7","1","2","2","4","4","1") = "6"
    & skf18("7","1","2","2","4","5","1") = "6"
    & skf18("7","1","2","2","4","6","1") = "6"
    & skf18("7","1","2","2","4","7","1") = "6"
    & skf18("7","1","2","2","4","8","1") = "7"
    & skf18("7","1","2","2","4","9","1") = "8"
    & skf18("7","1","2","2","4","10","1") = "9"
    & skf18("7","1","2","2","5","1","1") = "6"
    & skf18("7","1","2","2","5","2","1") = "6"
    & skf18("7","1","2","2","5","3","1") = "6"
    & skf18("7","1","2","2","5","4","1") = "6"
    & skf18("7","1","2","2","5","5","1") = "6"
    & skf18("7","1","2","2","5","6","1") = "6"
    & skf18("7","1","2","2","5","7","1") = "6"
    & skf18("7","1","2","2","5","8","1") = "7"
    & skf18("7","1","2","2","5","9","1") = "8"
    & skf18("7","1","2","2","5","10","1") = "9"
    & skf18("7","1","2","2","6","1","1") = "6"
    & skf18("7","1","2","2","6","2","1") = "6"
    & skf18("7","1","2","2","6","3","1") = "6"
    & skf18("7","1","2","2","6","4","1") = "6"
    & skf18("7","1","2","2","6","5","1") = "6"
    & skf18("7","1","2","2","6","6","1") = "6"
    & skf18("7","1","2","2","6","7","1") = "6"
    & skf18("7","1","2","2","6","8","1") = "7"
    & skf18("7","1","2","2","6","9","1") = "8"
    & skf18("7","1","2","2","6","10","1") = "9"
    & skf18("7","1","2","2","7","1","1") = "6"
    & skf18("7","1","2","2","7","2","1") = "6"
    & skf18("7","1","2","2","7","3","1") = "6"
    & skf18("7","1","2","2","7","4","1") = "6"
    & skf18("7","1","2","2","7","5","1") = "6"
    & skf18("7","1","2","2","7","6","1") = "6"
    & skf18("7","1","2","2","7","7","1") = "6"
    & skf18("7","1","2","2","7","8","1") = "7"
    & skf18("7","1","2","2","7","9","1") = "8"
    & skf18("7","1","2","2","7","10","1") = "9"
    & skf18("7","1","2","2","8","1","1") = "7"
    & skf18("7","1","2","2","8","2","1") = "7"
    & skf18("7","1","2","2","8","3","1") = "7"
    & skf18("7","1","2","2","8","4","1") = "7"
    & skf18("7","1","2","2","8","5","1") = "7"
    & skf18("7","1","2","2","8","6","1") = "7"
    & skf18("7","1","2","2","8","7","1") = "7"
    & skf18("7","1","2","2","8","8","1") = "7"
    & skf18("7","1","2","2","8","9","1") = "8"
    & skf18("7","1","2","2","8","10","1") = "9"
    & skf18("7","1","2","2","9","1","1") = "8"
    & skf18("7","1","2","2","9","2","1") = "8"
    & skf18("7","1","2","2","9","3","1") = "8"
    & skf18("7","1","2","2","9","4","1") = "8"
    & skf18("7","1","2","2","9","5","1") = "8"
    & skf18("7","1","2","2","9","6","1") = "8"
    & skf18("7","1","2","2","9","7","1") = "8"
    & skf18("7","1","2","2","9","8","1") = "8"
    & skf18("7","1","2","2","9","9","1") = "8"
    & skf18("7","1","2","2","9","10","1") = "9"
    & skf18("7","1","2","2","10","1","1") = "9"
    & skf18("7","1","2","2","10","2","1") = "9"
    & skf18("7","1","2","2","10","3","1") = "9"
    & skf18("7","1","2","2","10","4","1") = "9"
    & skf18("7","1","2","2","10","5","1") = "9"
    & skf18("7","1","2","2","10","6","1") = "9"
    & skf18("7","1","2","2","10","7","1") = "9"
    & skf18("7","1","2","2","10","8","1") = "9"
    & skf18("7","1","2","2","10","9","1") = "9"
    & skf18("7","1","2","2","10","10","1") = "9"
    & skf18("7","1","2","3","1","1","1") = "6"
    & skf18("7","1","2","3","1","2","1") = "6"
    & skf18("7","1","2","3","1","3","1") = "6"
    & skf18("7","1","2","3","1","4","1") = "6"
    & skf18("7","1","2","3","1","5","1") = "6"
    & skf18("7","1","2","3","1","6","1") = "6"
    & skf18("7","1","2","3","1","7","1") = "6"
    & skf18("7","1","2","3","1","8","1") = "7"
    & skf18("7","1","2","3","1","9","1") = "8"
    & skf18("7","1","2","3","1","10","1") = "9"
    & skf18("7","1","2","3","2","1","1") = "6"
    & skf18("7","1","2","3","2","2","1") = "6"
    & skf18("7","1","2","3","2","3","1") = "6"
    & skf18("7","1","2","3","2","4","1") = "6"
    & skf18("7","1","2","3","2","5","1") = "6"
    & skf18("7","1","2","3","2","6","1") = "6"
    & skf18("7","1","2","3","2","7","1") = "6"
    & skf18("7","1","2","3","2","8","1") = "7"
    & skf18("7","1","2","3","2","9","1") = "8"
    & skf18("7","1","2","3","2","10","1") = "9"
    & skf18("7","1","2","3","3","1","1") = "6"
    & skf18("7","1","2","3","3","2","1") = "6"
    & skf18("7","1","2","3","3","3","1") = "6"
    & skf18("7","1","2","3","3","4","1") = "6"
    & skf18("7","1","2","3","3","5","1") = "6"
    & skf18("7","1","2","3","3","6","1") = "6"
    & skf18("7","1","2","3","3","7","1") = "6"
    & skf18("7","1","2","3","3","8","1") = "7"
    & skf18("7","1","2","3","3","9","1") = "8"
    & skf18("7","1","2","3","3","10","1") = "9"
    & skf18("7","1","2","3","4","1","1") = "6"
    & skf18("7","1","2","3","4","2","1") = "6"
    & skf18("7","1","2","3","4","3","1") = "6"
    & skf18("7","1","2","3","4","4","1") = "6"
    & skf18("7","1","2","3","4","5","1") = "6"
    & skf18("7","1","2","3","4","6","1") = "6"
    & skf18("7","1","2","3","4","7","1") = "6"
    & skf18("7","1","2","3","4","8","1") = "7"
    & skf18("7","1","2","3","4","9","1") = "8"
    & skf18("7","1","2","3","4","10","1") = "9"
    & skf18("7","1","2","3","5","1","1") = "6"
    & skf18("7","1","2","3","5","2","1") = "6"
    & skf18("7","1","2","3","5","3","1") = "6"
    & skf18("7","1","2","3","5","4","1") = "6"
    & skf18("7","1","2","3","5","5","1") = "6"
    & skf18("7","1","2","3","5","6","1") = "6"
    & skf18("7","1","2","3","5","7","1") = "6"
    & skf18("7","1","2","3","5","8","1") = "7"
    & skf18("7","1","2","3","5","9","1") = "8"
    & skf18("7","1","2","3","5","10","1") = "9"
    & skf18("7","1","2","3","6","1","1") = "6"
    & skf18("7","1","2","3","6","2","1") = "6"
    & skf18("7","1","2","3","6","3","1") = "6"
    & skf18("7","1","2","3","6","4","1") = "6"
    & skf18("7","1","2","3","6","5","1") = "6"
    & skf18("7","1","2","3","6","6","1") = "6"
    & skf18("7","1","2","3","6","7","1") = "6"
    & skf18("7","1","2","3","6","8","1") = "7"
    & skf18("7","1","2","3","6","9","1") = "8"
    & skf18("7","1","2","3","6","10","1") = "9"
    & skf18("7","1","2","3","7","1","1") = "6"
    & skf18("7","1","2","3","7","2","1") = "6"
    & skf18("7","1","2","3","7","3","1") = "6"
    & skf18("7","1","2","3","7","4","1") = "6"
    & skf18("7","1","2","3","7","5","1") = "6"
    & skf18("7","1","2","3","7","6","1") = "6"
    & skf18("7","1","2","3","7","7","1") = "6"
    & skf18("7","1","2","3","7","8","1") = "7"
    & skf18("7","1","2","3","7","9","1") = "8"
    & skf18("7","1","2","3","7","10","1") = "9"
    & skf18("7","1","2","3","8","1","1") = "7"
    & skf18("7","1","2","3","8","2","1") = "7"
    & skf18("7","1","2","3","8","3","1") = "7"
    & skf18("7","1","2","3","8","4","1") = "7"
    & skf18("7","1","2","3","8","5","1") = "7"
    & skf18("7","1","2","3","8","6","1") = "7"
    & skf18("7","1","2","3","8","7","1") = "7"
    & skf18("7","1","2","3","8","8","1") = "7"
    & skf18("7","1","2","3","8","9","1") = "8"
    & skf18("7","1","2","3","8","10","1") = "9"
    & skf18("7","1","2","3","9","1","1") = "8"
    & skf18("7","1","2","3","9","2","1") = "8"
    & skf18("7","1","2","3","9","3","1") = "8"
    & skf18("7","1","2","3","9","4","1") = "8"
    & skf18("7","1","2","3","9","5","1") = "8"
    & skf18("7","1","2","3","9","6","1") = "8"
    & skf18("7","1","2","3","9","7","1") = "8"
    & skf18("7","1","2","3","9","8","1") = "8"
    & skf18("7","1","2","3","9","9","1") = "8"
    & skf18("7","1","2","3","9","10","1") = "9"
    & skf18("7","1","2","3","10","1","1") = "9"
    & skf18("7","1","2","3","10","2","1") = "9"
    & skf18("7","1","2","3","10","3","1") = "9"
    & skf18("7","1","2","3","10","4","1") = "9"
    & skf18("7","1","2","3","10","5","1") = "9"
    & skf18("7","1","2","3","10","6","1") = "9"
    & skf18("7","1","2","3","10","7","1") = "9"
    & skf18("7","1","2","3","10","8","1") = "9"
    & skf18("7","1","2","3","10","9","1") = "9"
    & skf18("7","1","2","3","10","10","1") = "9"
    & skf18("7","1","2","4","1","1","1") = "6"
    & skf18("7","1","2","4","1","2","1") = "6"
    & skf18("7","1","2","4","1","3","1") = "6"
    & skf18("7","1","2","4","1","4","1") = "6"
    & skf18("7","1","2","4","1","5","1") = "6"
    & skf18("7","1","2","4","1","6","1") = "6"
    & skf18("7","1","2","4","1","7","1") = "6"
    & skf18("7","1","2","4","1","8","1") = "7"
    & skf18("7","1","2","4","1","9","1") = "8"
    & skf18("7","1","2","4","1","10","1") = "9"
    & skf18("7","1","2","4","2","1","1") = "6"
    & skf18("7","1","2","4","2","2","1") = "6"
    & skf18("7","1","2","4","2","3","1") = "6"
    & skf18("7","1","2","4","2","4","1") = "6"
    & skf18("7","1","2","4","2","5","1") = "6"
    & skf18("7","1","2","4","2","6","1") = "6"
    & skf18("7","1","2","4","2","7","1") = "6"
    & skf18("7","1","2","4","2","8","1") = "7"
    & skf18("7","1","2","4","2","9","1") = "8"
    & skf18("7","1","2","4","2","10","1") = "9"
    & skf18("7","1","2","4","3","1","1") = "6"
    & skf18("7","1","2","4","3","2","1") = "6"
    & skf18("7","1","2","4","3","3","1") = "6"
    & skf18("7","1","2","4","3","4","1") = "6"
    & skf18("7","1","2","4","3","5","1") = "6"
    & skf18("7","1","2","4","3","6","1") = "6"
    & skf18("7","1","2","4","3","7","1") = "6"
    & skf18("7","1","2","4","3","8","1") = "7"
    & skf18("7","1","2","4","3","9","1") = "8"
    & skf18("7","1","2","4","3","10","1") = "9"
    & skf18("7","1","2","4","4","1","1") = "6"
    & skf18("7","1","2","4","4","2","1") = "6"
    & skf18("7","1","2","4","4","3","1") = "6"
    & skf18("7","1","2","4","4","4","1") = "6"
    & skf18("7","1","2","4","4","5","1") = "6"
    & skf18("7","1","2","4","4","6","1") = "6"
    & skf18("7","1","2","4","4","7","1") = "6"
    & skf18("7","1","2","4","4","8","1") = "7"
    & skf18("7","1","2","4","4","9","1") = "8"
    & skf18("7","1","2","4","4","10","1") = "9"
    & skf18("7","1","2","4","5","1","1") = "6"
    & skf18("7","1","2","4","5","2","1") = "6"
    & skf18("7","1","2","4","5","3","1") = "6"
    & skf18("7","1","2","4","5","4","1") = "6"
    & skf18("7","1","2","4","5","5","1") = "6"
    & skf18("7","1","2","4","5","6","1") = "6"
    & skf18("7","1","2","4","5","7","1") = "6"
    & skf18("7","1","2","4","5","8","1") = "7"
    & skf18("7","1","2","4","5","9","1") = "8"
    & skf18("7","1","2","4","5","10","1") = "9"
    & skf18("7","1","2","4","6","1","1") = "6"
    & skf18("7","1","2","4","6","2","1") = "6"
    & skf18("7","1","2","4","6","3","1") = "6"
    & skf18("7","1","2","4","6","4","1") = "6"
    & skf18("7","1","2","4","6","5","1") = "6"
    & skf18("7","1","2","4","6","6","1") = "6"
    & skf18("7","1","2","4","6","7","1") = "6"
    & skf18("7","1","2","4","6","8","1") = "7"
    & skf18("7","1","2","4","6","9","1") = "8"
    & skf18("7","1","2","4","6","10","1") = "9"
    & skf18("7","1","2","4","7","1","1") = "6"
    & skf18("7","1","2","4","7","2","1") = "6"
    & skf18("7","1","2","4","7","3","1") = "6"
    & skf18("7","1","2","4","7","4","1") = "6"
    & skf18("7","1","2","4","7","5","1") = "6"
    & skf18("7","1","2","4","7","6","1") = "6"
    & skf18("7","1","2","4","7","7","1") = "6"
    & skf18("7","1","2","4","7","8","1") = "7"
    & skf18("7","1","2","4","7","9","1") = "8"
    & skf18("7","1","2","4","7","10","1") = "9"
    & skf18("7","1","2","4","8","1","1") = "7"
    & skf18("7","1","2","4","8","2","1") = "7"
    & skf18("7","1","2","4","8","3","1") = "7"
    & skf18("7","1","2","4","8","4","1") = "7"
    & skf18("7","1","2","4","8","5","1") = "7"
    & skf18("7","1","2","4","8","6","1") = "7"
    & skf18("7","1","2","4","8","7","1") = "7"
    & skf18("7","1","2","4","8","8","1") = "7"
    & skf18("7","1","2","4","8","9","1") = "8"
    & skf18("7","1","2","4","8","10","1") = "9"
    & skf18("7","1","2","4","9","1","1") = "8"
    & skf18("7","1","2","4","9","2","1") = "8"
    & skf18("7","1","2","4","9","3","1") = "8"
    & skf18("7","1","2","4","9","4","1") = "8"
    & skf18("7","1","2","4","9","5","1") = "8"
    & skf18("7","1","2","4","9","6","1") = "8"
    & skf18("7","1","2","4","9","7","1") = "8"
    & skf18("7","1","2","4","9","8","1") = "8"
    & skf18("7","1","2","4","9","9","1") = "8"
    & skf18("7","1","2","4","9","10","1") = "9"
    & skf18("7","1","2","4","10","1","1") = "9"
    & skf18("7","1","2","4","10","2","1") = "9"
    & skf18("7","1","2","4","10","3","1") = "9"
    & skf18("7","1","2","4","10","4","1") = "9"
    & skf18("7","1","2","4","10","5","1") = "9"
    & skf18("7","1","2","4","10","6","1") = "9"
    & skf18("7","1","2","4","10","7","1") = "9"
    & skf18("7","1","2","4","10","8","1") = "9"
    & skf18("7","1","2","4","10","9","1") = "9"
    & skf18("7","1","2","4","10","10","1") = "9"
    & skf18("7","1","2","5","1","1","1") = "6"
    & skf18("7","1","2","5","1","2","1") = "6"
    & skf18("7","1","2","5","1","3","1") = "6"
    & skf18("7","1","2","5","1","4","1") = "6"
    & skf18("7","1","2","5","1","5","1") = "6"
    & skf18("7","1","2","5","1","6","1") = "6"
    & skf18("7","1","2","5","1","7","1") = "6"
    & skf18("7","1","2","5","1","8","1") = "7"
    & skf18("7","1","2","5","1","9","1") = "8"
    & skf18("7","1","2","5","1","10","1") = "9"
    & skf18("7","1","2","5","2","1","1") = "6"
    & skf18("7","1","2","5","2","2","1") = "6"
    & skf18("7","1","2","5","2","3","1") = "6"
    & skf18("7","1","2","5","2","4","1") = "6"
    & skf18("7","1","2","5","2","5","1") = "6"
    & skf18("7","1","2","5","2","6","1") = "6"
    & skf18("7","1","2","5","2","7","1") = "6"
    & skf18("7","1","2","5","2","8","1") = "7"
    & skf18("7","1","2","5","2","9","1") = "8"
    & skf18("7","1","2","5","2","10","1") = "9"
    & skf18("7","1","2","5","3","1","1") = "6"
    & skf18("7","1","2","5","3","2","1") = "6"
    & skf18("7","1","2","5","3","3","1") = "6"
    & skf18("7","1","2","5","3","4","1") = "6"
    & skf18("7","1","2","5","3","5","1") = "6"
    & skf18("7","1","2","5","3","6","1") = "6"
    & skf18("7","1","2","5","3","7","1") = "6"
    & skf18("7","1","2","5","3","8","1") = "7"
    & skf18("7","1","2","5","3","9","1") = "8"
    & skf18("7","1","2","5","3","10","1") = "9"
    & skf18("7","1","2","5","4","1","1") = "6"
    & skf18("7","1","2","5","4","2","1") = "6"
    & skf18("7","1","2","5","4","3","1") = "6"
    & skf18("7","1","2","5","4","4","1") = "6"
    & skf18("7","1","2","5","4","5","1") = "6"
    & skf18("7","1","2","5","4","6","1") = "6"
    & skf18("7","1","2","5","4","7","1") = "6"
    & skf18("7","1","2","5","4","8","1") = "7"
    & skf18("7","1","2","5","4","9","1") = "8"
    & skf18("7","1","2","5","4","10","1") = "9"
    & skf18("7","1","2","5","5","1","1") = "6"
    & skf18("7","1","2","5","5","2","1") = "6"
    & skf18("7","1","2","5","5","3","1") = "6"
    & skf18("7","1","2","5","5","4","1") = "6"
    & skf18("7","1","2","5","5","5","1") = "6"
    & skf18("7","1","2","5","5","6","1") = "6"
    & skf18("7","1","2","5","5","7","1") = "6"
    & skf18("7","1","2","5","5","8","1") = "7"
    & skf18("7","1","2","5","5","9","1") = "8"
    & skf18("7","1","2","5","5","10","1") = "9"
    & skf18("7","1","2","5","6","1","1") = "6"
    & skf18("7","1","2","5","6","2","1") = "6"
    & skf18("7","1","2","5","6","3","1") = "6"
    & skf18("7","1","2","5","6","4","1") = "6"
    & skf18("7","1","2","5","6","5","1") = "6"
    & skf18("7","1","2","5","6","6","1") = "6"
    & skf18("7","1","2","5","6","7","1") = "6"
    & skf18("7","1","2","5","6","8","1") = "7"
    & skf18("7","1","2","5","6","9","1") = "8"
    & skf18("7","1","2","5","6","10","1") = "9"
    & skf18("7","1","2","5","7","1","1") = "6"
    & skf18("7","1","2","5","7","2","1") = "6"
    & skf18("7","1","2","5","7","3","1") = "6"
    & skf18("7","1","2","5","7","4","1") = "6"
    & skf18("7","1","2","5","7","5","1") = "6"
    & skf18("7","1","2","5","7","6","1") = "6"
    & skf18("7","1","2","5","7","7","1") = "6"
    & skf18("7","1","2","5","7","8","1") = "7"
    & skf18("7","1","2","5","7","9","1") = "8"
    & skf18("7","1","2","5","7","10","1") = "9"
    & skf18("7","1","2","5","8","1","1") = "7"
    & skf18("7","1","2","5","8","2","1") = "7"
    & skf18("7","1","2","5","8","3","1") = "7"
    & skf18("7","1","2","5","8","4","1") = "7"
    & skf18("7","1","2","5","8","5","1") = "7"
    & skf18("7","1","2","5","8","6","1") = "7"
    & skf18("7","1","2","5","8","7","1") = "7"
    & skf18("7","1","2","5","8","8","1") = "7"
    & skf18("7","1","2","5","8","9","1") = "8"
    & skf18("7","1","2","5","8","10","1") = "9"
    & skf18("7","1","2","5","9","1","1") = "8"
    & skf18("7","1","2","5","9","2","1") = "8"
    & skf18("7","1","2","5","9","3","1") = "8"
    & skf18("7","1","2","5","9","4","1") = "8"
    & skf18("7","1","2","5","9","5","1") = "8"
    & skf18("7","1","2","5","9","6","1") = "8"
    & skf18("7","1","2","5","9","7","1") = "8"
    & skf18("7","1","2","5","9","8","1") = "8"
    & skf18("7","1","2","5","9","9","1") = "8"
    & skf18("7","1","2","5","9","10","1") = "9"
    & skf18("7","1","2","5","10","1","1") = "9"
    & skf18("7","1","2","5","10","2","1") = "9"
    & skf18("7","1","2","5","10","3","1") = "9"
    & skf18("7","1","2","5","10","4","1") = "9"
    & skf18("7","1","2","5","10","5","1") = "9"
    & skf18("7","1","2","5","10","6","1") = "9"
    & skf18("7","1","2","5","10","7","1") = "9"
    & skf18("7","1","2","5","10","8","1") = "9"
    & skf18("7","1","2","5","10","9","1") = "9"
    & skf18("7","1","2","5","10","10","1") = "9"
    & skf18("7","1","2","6","1","1","1") = "6"
    & skf18("7","1","2","6","1","2","1") = "6"
    & skf18("7","1","2","6","1","3","1") = "6"
    & skf18("7","1","2","6","1","4","1") = "6"
    & skf18("7","1","2","6","1","5","1") = "6"
    & skf18("7","1","2","6","1","6","1") = "6"
    & skf18("7","1","2","6","1","7","1") = "6"
    & skf18("7","1","2","6","1","8","1") = "7"
    & skf18("7","1","2","6","1","9","1") = "8"
    & skf18("7","1","2","6","1","10","1") = "9"
    & skf18("7","1","2","6","2","1","1") = "6"
    & skf18("7","1","2","6","2","2","1") = "6"
    & skf18("7","1","2","6","2","3","1") = "6"
    & skf18("7","1","2","6","2","4","1") = "6"
    & skf18("7","1","2","6","2","5","1") = "6"
    & skf18("7","1","2","6","2","6","1") = "6"
    & skf18("7","1","2","6","2","7","1") = "6"
    & skf18("7","1","2","6","2","8","1") = "7"
    & skf18("7","1","2","6","2","9","1") = "8"
    & skf18("7","1","2","6","2","10","1") = "9"
    & skf18("7","1","2","6","3","1","1") = "6"
    & skf18("7","1","2","6","3","2","1") = "6"
    & skf18("7","1","2","6","3","3","1") = "6"
    & skf18("7","1","2","6","3","4","1") = "6"
    & skf18("7","1","2","6","3","5","1") = "6"
    & skf18("7","1","2","6","3","6","1") = "6"
    & skf18("7","1","2","6","3","7","1") = "6"
    & skf18("7","1","2","6","3","8","1") = "7"
    & skf18("7","1","2","6","3","9","1") = "8"
    & skf18("7","1","2","6","3","10","1") = "9"
    & skf18("7","1","2","6","4","1","1") = "6"
    & skf18("7","1","2","6","4","2","1") = "6"
    & skf18("7","1","2","6","4","3","1") = "6"
    & skf18("7","1","2","6","4","4","1") = "6"
    & skf18("7","1","2","6","4","5","1") = "6"
    & skf18("7","1","2","6","4","6","1") = "6"
    & skf18("7","1","2","6","4","7","1") = "6"
    & skf18("7","1","2","6","4","8","1") = "7"
    & skf18("7","1","2","6","4","9","1") = "8"
    & skf18("7","1","2","6","4","10","1") = "9"
    & skf18("7","1","2","6","5","1","1") = "6"
    & skf18("7","1","2","6","5","2","1") = "6"
    & skf18("7","1","2","6","5","3","1") = "6"
    & skf18("7","1","2","6","5","4","1") = "6"
    & skf18("7","1","2","6","5","5","1") = "6"
    & skf18("7","1","2","6","5","6","1") = "6"
    & skf18("7","1","2","6","5","7","1") = "6"
    & skf18("7","1","2","6","5","8","1") = "7"
    & skf18("7","1","2","6","5","9","1") = "8"
    & skf18("7","1","2","6","5","10","1") = "9"
    & skf18("7","1","2","6","6","1","1") = "6"
    & skf18("7","1","2","6","6","2","1") = "6"
    & skf18("7","1","2","6","6","3","1") = "6"
    & skf18("7","1","2","6","6","4","1") = "6"
    & skf18("7","1","2","6","6","5","1") = "6"
    & skf18("7","1","2","6","6","6","1") = "6"
    & skf18("7","1","2","6","6","7","1") = "6"
    & skf18("7","1","2","6","6","8","1") = "7"
    & skf18("7","1","2","6","6","9","1") = "8"
    & skf18("7","1","2","6","6","10","1") = "9"
    & skf18("7","1","2","6","7","1","1") = "6"
    & skf18("7","1","2","6","7","2","1") = "6"
    & skf18("7","1","2","6","7","3","1") = "6"
    & skf18("7","1","2","6","7","4","1") = "6"
    & skf18("7","1","2","6","7","5","1") = "6"
    & skf18("7","1","2","6","7","6","1") = "6"
    & skf18("7","1","2","6","7","7","1") = "6"
    & skf18("7","1","2","6","7","8","1") = "7"
    & skf18("7","1","2","6","7","9","1") = "8"
    & skf18("7","1","2","6","7","10","1") = "9"
    & skf18("7","1","2","6","8","1","1") = "7"
    & skf18("7","1","2","6","8","2","1") = "7"
    & skf18("7","1","2","6","8","3","1") = "7"
    & skf18("7","1","2","6","8","4","1") = "7"
    & skf18("7","1","2","6","8","5","1") = "7"
    & skf18("7","1","2","6","8","6","1") = "7"
    & skf18("7","1","2","6","8","7","1") = "7"
    & skf18("7","1","2","6","8","8","1") = "7"
    & skf18("7","1","2","6","8","9","1") = "8"
    & skf18("7","1","2","6","8","10","1") = "9"
    & skf18("7","1","2","6","9","1","1") = "8"
    & skf18("7","1","2","6","9","2","1") = "8"
    & skf18("7","1","2","6","9","3","1") = "8"
    & skf18("7","1","2","6","9","4","1") = "8"
    & skf18("7","1","2","6","9","5","1") = "8"
    & skf18("7","1","2","6","9","6","1") = "8"
    & skf18("7","1","2","6","9","7","1") = "8"
    & skf18("7","1","2","6","9","8","1") = "8"
    & skf18("7","1","2","6","9","9","1") = "8"
    & skf18("7","1","2","6","9","10","1") = "9"
    & skf18("7","1","2","6","10","1","1") = "9"
    & skf18("7","1","2","6","10","2","1") = "9"
    & skf18("7","1","2","6","10","3","1") = "9"
    & skf18("7","1","2","6","10","4","1") = "9"
    & skf18("7","1","2","6","10","5","1") = "9"
    & skf18("7","1","2","6","10","6","1") = "9"
    & skf18("7","1","2","6","10","7","1") = "9"
    & skf18("7","1","2","6","10","8","1") = "9"
    & skf18("7","1","2","6","10","9","1") = "9"
    & skf18("7","1","2","6","10","10","1") = "9"
    & skf18("7","1","2","7","1","1","1") = "6"
    & skf18("7","1","2","7","1","2","1") = "6"
    & skf18("7","1","2","7","1","3","1") = "6"
    & skf18("7","1","2","7","1","4","1") = "6"
    & skf18("7","1","2","7","1","5","1") = "6"
    & skf18("7","1","2","7","1","6","1") = "6"
    & skf18("7","1","2","7","1","7","1") = "6"
    & skf18("7","1","2","7","1","8","1") = "7"
    & skf18("7","1","2","7","1","9","1") = "8"
    & skf18("7","1","2","7","1","10","1") = "9"
    & skf18("7","1","2","7","2","1","1") = "6"
    & skf18("7","1","2","7","2","2","1") = "6"
    & skf18("7","1","2","7","2","3","1") = "6"
    & skf18("7","1","2","7","2","4","1") = "6"
    & skf18("7","1","2","7","2","5","1") = "6"
    & skf18("7","1","2","7","2","6","1") = "6"
    & skf18("7","1","2","7","2","7","1") = "6"
    & skf18("7","1","2","7","2","8","1") = "7"
    & skf18("7","1","2","7","2","9","1") = "8"
    & skf18("7","1","2","7","2","10","1") = "9"
    & skf18("7","1","2","7","3","1","1") = "6"
    & skf18("7","1","2","7","3","2","1") = "6"
    & skf18("7","1","2","7","3","3","1") = "6"
    & skf18("7","1","2","7","3","4","1") = "6"
    & skf18("7","1","2","7","3","5","1") = "6"
    & skf18("7","1","2","7","3","6","1") = "6"
    & skf18("7","1","2","7","3","7","1") = "6"
    & skf18("7","1","2","7","3","8","1") = "7"
    & skf18("7","1","2","7","3","9","1") = "8"
    & skf18("7","1","2","7","3","10","1") = "9"
    & skf18("7","1","2","7","4","1","1") = "6"
    & skf18("7","1","2","7","4","2","1") = "6"
    & skf18("7","1","2","7","4","3","1") = "6"
    & skf18("7","1","2","7","4","4","1") = "6"
    & skf18("7","1","2","7","4","5","1") = "6"
    & skf18("7","1","2","7","4","6","1") = "6"
    & skf18("7","1","2","7","4","7","1") = "6"
    & skf18("7","1","2","7","4","8","1") = "7"
    & skf18("7","1","2","7","4","9","1") = "8"
    & skf18("7","1","2","7","4","10","1") = "9"
    & skf18("7","1","2","7","5","1","1") = "6"
    & skf18("7","1","2","7","5","2","1") = "6"
    & skf18("7","1","2","7","5","3","1") = "6"
    & skf18("7","1","2","7","5","4","1") = "6"
    & skf18("7","1","2","7","5","5","1") = "6"
    & skf18("7","1","2","7","5","6","1") = "6"
    & skf18("7","1","2","7","5","7","1") = "6"
    & skf18("7","1","2","7","5","8","1") = "7"
    & skf18("7","1","2","7","5","9","1") = "8"
    & skf18("7","1","2","7","5","10","1") = "9"
    & skf18("7","1","2","7","6","1","1") = "6"
    & skf18("7","1","2","7","6","2","1") = "6"
    & skf18("7","1","2","7","6","3","1") = "6"
    & skf18("7","1","2","7","6","4","1") = "6"
    & skf18("7","1","2","7","6","5","1") = "6"
    & skf18("7","1","2","7","6","6","1") = "6"
    & skf18("7","1","2","7","6","7","1") = "6"
    & skf18("7","1","2","7","6","8","1") = "7"
    & skf18("7","1","2","7","6","9","1") = "8"
    & skf18("7","1","2","7","6","10","1") = "9"
    & skf18("7","1","2","7","7","1","1") = "6"
    & skf18("7","1","2","7","7","2","1") = "6"
    & skf18("7","1","2","7","7","3","1") = "6"
    & skf18("7","1","2","7","7","4","1") = "6"
    & skf18("7","1","2","7","7","5","1") = "6"
    & skf18("7","1","2","7","7","6","1") = "6"
    & skf18("7","1","2","7","7","7","1") = "6"
    & skf18("7","1","2","7","7","8","1") = "7"
    & skf18("7","1","2","7","7","9","1") = "8"
    & skf18("7","1","2","7","7","10","1") = "9"
    & skf18("7","1","2","7","8","1","1") = "7"
    & skf18("7","1","2","7","8","2","1") = "7"
    & skf18("7","1","2","7","8","3","1") = "7"
    & skf18("7","1","2","7","8","4","1") = "7"
    & skf18("7","1","2","7","8","5","1") = "7"
    & skf18("7","1","2","7","8","6","1") = "7"
    & skf18("7","1","2","7","8","7","1") = "7"
    & skf18("7","1","2","7","8","8","1") = "7"
    & skf18("7","1","2","7","8","9","1") = "8"
    & skf18("7","1","2","7","8","10","1") = "9"
    & skf18("7","1","2","7","9","1","1") = "8"
    & skf18("7","1","2","7","9","2","1") = "8"
    & skf18("7","1","2","7","9","3","1") = "8"
    & skf18("7","1","2","7","9","4","1") = "8"
    & skf18("7","1","2","7","9","5","1") = "8"
    & skf18("7","1","2","7","9","6","1") = "8"
    & skf18("7","1","2","7","9","7","1") = "8"
    & skf18("7","1","2","7","9","8","1") = "8"
    & skf18("7","1","2","7","9","9","1") = "8"
    & skf18("7","1","2","7","9","10","1") = "9"
    & skf18("7","1","2","7","10","1","1") = "9"
    & skf18("7","1","2","7","10","2","1") = "9"
    & skf18("7","1","2","7","10","3","1") = "9"
    & skf18("7","1","2","7","10","4","1") = "9"
    & skf18("7","1","2","7","10","5","1") = "9"
    & skf18("7","1","2","7","10","6","1") = "9"
    & skf18("7","1","2","7","10","7","1") = "9"
    & skf18("7","1","2","7","10","8","1") = "9"
    & skf18("7","1","2","7","10","9","1") = "9"
    & skf18("7","1","2","7","10","10","1") = "9"
    & skf18("7","1","2","8","1","1","1") = "7"
    & skf18("7","1","2","8","1","2","1") = "7"
    & skf18("7","1","2","8","1","3","1") = "7"
    & skf18("7","1","2","8","1","4","1") = "7"
    & skf18("7","1","2","8","1","5","1") = "7"
    & skf18("7","1","2","8","1","6","1") = "7"
    & skf18("7","1","2","8","1","7","1") = "7"
    & skf18("7","1","2","8","1","8","1") = "7"
    & skf18("7","1","2","8","1","9","1") = "8"
    & skf18("7","1","2","8","1","10","1") = "9"
    & skf18("7","1","2","8","2","1","1") = "7"
    & skf18("7","1","2","8","2","2","1") = "7"
    & skf18("7","1","2","8","2","3","1") = "7"
    & skf18("7","1","2","8","2","4","1") = "7"
    & skf18("7","1","2","8","2","5","1") = "7"
    & skf18("7","1","2","8","2","6","1") = "7"
    & skf18("7","1","2","8","2","7","1") = "7"
    & skf18("7","1","2","8","2","8","1") = "7"
    & skf18("7","1","2","8","2","9","1") = "8"
    & skf18("7","1","2","8","2","10","1") = "9"
    & skf18("7","1","2","8","3","1","1") = "7"
    & skf18("7","1","2","8","3","2","1") = "7"
    & skf18("7","1","2","8","3","3","1") = "7"
    & skf18("7","1","2","8","3","4","1") = "7"
    & skf18("7","1","2","8","3","5","1") = "7"
    & skf18("7","1","2","8","3","6","1") = "7"
    & skf18("7","1","2","8","3","7","1") = "7"
    & skf18("7","1","2","8","3","8","1") = "7"
    & skf18("7","1","2","8","3","9","1") = "8"
    & skf18("7","1","2","8","3","10","1") = "9"
    & skf18("7","1","2","8","4","1","1") = "7"
    & skf18("7","1","2","8","4","2","1") = "7"
    & skf18("7","1","2","8","4","3","1") = "7"
    & skf18("7","1","2","8","4","4","1") = "7"
    & skf18("7","1","2","8","4","5","1") = "7"
    & skf18("7","1","2","8","4","6","1") = "7"
    & skf18("7","1","2","8","4","7","1") = "7"
    & skf18("7","1","2","8","4","8","1") = "7"
    & skf18("7","1","2","8","4","9","1") = "8"
    & skf18("7","1","2","8","4","10","1") = "9"
    & skf18("7","1","2","8","5","1","1") = "7"
    & skf18("7","1","2","8","5","2","1") = "7"
    & skf18("7","1","2","8","5","3","1") = "7"
    & skf18("7","1","2","8","5","4","1") = "7"
    & skf18("7","1","2","8","5","5","1") = "7"
    & skf18("7","1","2","8","5","6","1") = "7"
    & skf18("7","1","2","8","5","7","1") = "7"
    & skf18("7","1","2","8","5","8","1") = "7"
    & skf18("7","1","2","8","5","9","1") = "8"
    & skf18("7","1","2","8","5","10","1") = "9"
    & skf18("7","1","2","8","6","1","1") = "7"
    & skf18("7","1","2","8","6","2","1") = "7"
    & skf18("7","1","2","8","6","3","1") = "7"
    & skf18("7","1","2","8","6","4","1") = "7"
    & skf18("7","1","2","8","6","5","1") = "7"
    & skf18("7","1","2","8","6","6","1") = "7"
    & skf18("7","1","2","8","6","7","1") = "7"
    & skf18("7","1","2","8","6","8","1") = "7"
    & skf18("7","1","2","8","6","9","1") = "8"
    & skf18("7","1","2","8","6","10","1") = "9"
    & skf18("7","1","2","8","7","1","1") = "7"
    & skf18("7","1","2","8","7","2","1") = "7"
    & skf18("7","1","2","8","7","3","1") = "7"
    & skf18("7","1","2","8","7","4","1") = "7"
    & skf18("7","1","2","8","7","5","1") = "7"
    & skf18("7","1","2","8","7","6","1") = "7"
    & skf18("7","1","2","8","7","7","1") = "7"
    & skf18("7","1","2","8","7","8","1") = "7"
    & skf18("7","1","2","8","7","9","1") = "8"
    & skf18("7","1","2","8","7","10","1") = "9"
    & skf18("7","1","2","8","8","1","1") = "7"
    & skf18("7","1","2","8","8","2","1") = "7"
    & skf18("7","1","2","8","8","3","1") = "7"
    & skf18("7","1","2","8","8","4","1") = "7"
    & skf18("7","1","2","8","8","5","1") = "7"
    & skf18("7","1","2","8","8","6","1") = "7"
    & skf18("7","1","2","8","8","7","1") = "7"
    & skf18("7","1","2","8","8","8","1") = "7"
    & skf18("7","1","2","8","8","9","1") = "8"
    & skf18("7","1","2","8","8","10","1") = "9"
    & skf18("7","1","2","8","9","1","1") = "8"
    & skf18("7","1","2","8","9","2","1") = "8"
    & skf18("7","1","2","8","9","3","1") = "8"
    & skf18("7","1","2","8","9","4","1") = "8"
    & skf18("7","1","2","8","9","5","1") = "8"
    & skf18("7","1","2","8","9","6","1") = "8"
    & skf18("7","1","2","8","9","7","1") = "8"
    & skf18("7","1","2","8","9","8","1") = "8"
    & skf18("7","1","2","8","9","9","1") = "8"
    & skf18("7","1","2","8","9","10","1") = "9"
    & skf18("7","1","2","8","10","1","1") = "9"
    & skf18("7","1","2","8","10","2","1") = "9"
    & skf18("7","1","2","8","10","3","1") = "9"
    & skf18("7","1","2","8","10","4","1") = "9"
    & skf18("7","1","2","8","10","5","1") = "9"
    & skf18("7","1","2","8","10","6","1") = "9"
    & skf18("7","1","2","8","10","7","1") = "9"
    & skf18("7","1","2","8","10","8","1") = "9"
    & skf18("7","1","2","8","10","9","1") = "9"
    & skf18("7","1","2","8","10","10","1") = "9"
    & skf18("7","1","2","9","1","1","1") = "8"
    & skf18("7","1","2","9","1","2","1") = "8"
    & skf18("7","1","2","9","1","3","1") = "8"
    & skf18("7","1","2","9","1","4","1") = "8"
    & skf18("7","1","2","9","1","5","1") = "8"
    & skf18("7","1","2","9","1","6","1") = "8"
    & skf18("7","1","2","9","1","7","1") = "8"
    & skf18("7","1","2","9","1","8","1") = "8"
    & skf18("7","1","2","9","1","9","1") = "8"
    & skf18("7","1","2","9","1","10","1") = "9"
    & skf18("7","1","2","9","2","1","1") = "8"
    & skf18("7","1","2","9","2","2","1") = "8"
    & skf18("7","1","2","9","2","3","1") = "8"
    & skf18("7","1","2","9","2","4","1") = "8"
    & skf18("7","1","2","9","2","5","1") = "8"
    & skf18("7","1","2","9","2","6","1") = "8"
    & skf18("7","1","2","9","2","7","1") = "8"
    & skf18("7","1","2","9","2","8","1") = "8"
    & skf18("7","1","2","9","2","9","1") = "8"
    & skf18("7","1","2","9","2","10","1") = "9"
    & skf18("7","1","2","9","3","1","1") = "8"
    & skf18("7","1","2","9","3","2","1") = "8"
    & skf18("7","1","2","9","3","3","1") = "8"
    & skf18("7","1","2","9","3","4","1") = "8"
    & skf18("7","1","2","9","3","5","1") = "8"
    & skf18("7","1","2","9","3","6","1") = "8"
    & skf18("7","1","2","9","3","7","1") = "8"
    & skf18("7","1","2","9","3","8","1") = "8"
    & skf18("7","1","2","9","3","9","1") = "8"
    & skf18("7","1","2","9","3","10","1") = "9"
    & skf18("7","1","2","9","4","1","1") = "8"
    & skf18("7","1","2","9","4","2","1") = "8"
    & skf18("7","1","2","9","4","3","1") = "8"
    & skf18("7","1","2","9","4","4","1") = "8"
    & skf18("7","1","2","9","4","5","1") = "8"
    & skf18("7","1","2","9","4","6","1") = "8"
    & skf18("7","1","2","9","4","7","1") = "8"
    & skf18("7","1","2","9","4","8","1") = "8"
    & skf18("7","1","2","9","4","9","1") = "8"
    & skf18("7","1","2","9","4","10","1") = "9"
    & skf18("7","1","2","9","5","1","1") = "8"
    & skf18("7","1","2","9","5","2","1") = "8"
    & skf18("7","1","2","9","5","3","1") = "8"
    & skf18("7","1","2","9","5","4","1") = "8"
    & skf18("7","1","2","9","5","5","1") = "8"
    & skf18("7","1","2","9","5","6","1") = "8"
    & skf18("7","1","2","9","5","7","1") = "8"
    & skf18("7","1","2","9","5","8","1") = "8"
    & skf18("7","1","2","9","5","9","1") = "8"
    & skf18("7","1","2","9","5","10","1") = "9"
    & skf18("7","1","2","9","6","1","1") = "8"
    & skf18("7","1","2","9","6","2","1") = "8"
    & skf18("7","1","2","9","6","3","1") = "8"
    & skf18("7","1","2","9","6","4","1") = "8"
    & skf18("7","1","2","9","6","5","1") = "8"
    & skf18("7","1","2","9","6","6","1") = "8"
    & skf18("7","1","2","9","6","7","1") = "8"
    & skf18("7","1","2","9","6","8","1") = "8"
    & skf18("7","1","2","9","6","9","1") = "8"
    & skf18("7","1","2","9","6","10","1") = "9"
    & skf18("7","1","2","9","7","1","1") = "8"
    & skf18("7","1","2","9","7","2","1") = "8"
    & skf18("7","1","2","9","7","3","1") = "8"
    & skf18("7","1","2","9","7","4","1") = "8"
    & skf18("7","1","2","9","7","5","1") = "8"
    & skf18("7","1","2","9","7","6","1") = "8"
    & skf18("7","1","2","9","7","7","1") = "8"
    & skf18("7","1","2","9","7","8","1") = "8"
    & skf18("7","1","2","9","7","9","1") = "8"
    & skf18("7","1","2","9","7","10","1") = "9"
    & skf18("7","1","2","9","8","1","1") = "8"
    & skf18("7","1","2","9","8","2","1") = "8"
    & skf18("7","1","2","9","8","3","1") = "8"
    & skf18("7","1","2","9","8","4","1") = "8"
    & skf18("7","1","2","9","8","5","1") = "8"
    & skf18("7","1","2","9","8","6","1") = "8"
    & skf18("7","1","2","9","8","7","1") = "8"
    & skf18("7","1","2","9","8","8","1") = "8"
    & skf18("7","1","2","9","8","9","1") = "8"
    & skf18("7","1","2","9","8","10","1") = "9"
    & skf18("7","1","2","9","9","1","1") = "8"
    & skf18("7","1","2","9","9","2","1") = "8"
    & skf18("7","1","2","9","9","3","1") = "8"
    & skf18("7","1","2","9","9","4","1") = "8"
    & skf18("7","1","2","9","9","5","1") = "8"
    & skf18("7","1","2","9","9","6","1") = "8"
    & skf18("7","1","2","9","9","7","1") = "8"
    & skf18("7","1","2","9","9","8","1") = "8"
    & skf18("7","1","2","9","9","9","1") = "8"
    & skf18("7","1","2","9","9","10","1") = "9"
    & skf18("7","1","2","9","10","1","1") = "9"
    & skf18("7","1","2","9","10","2","1") = "9"
    & skf18("7","1","2","9","10","3","1") = "9"
    & skf18("7","1","2","9","10","4","1") = "9"
    & skf18("7","1","2","9","10","5","1") = "9"
    & skf18("7","1","2","9","10","6","1") = "9"
    & skf18("7","1","2","9","10","7","1") = "9"
    & skf18("7","1","2","9","10","8","1") = "9"
    & skf18("7","1","2","9","10","9","1") = "9"
    & skf18("7","1","2","9","10","10","1") = "9"
    & skf18("7","1","2","10","1","1","1") = "9"
    & skf18("7","1","2","10","1","2","1") = "9"
    & skf18("7","1","2","10","1","3","1") = "9"
    & skf18("7","1","2","10","1","4","1") = "9"
    & skf18("7","1","2","10","1","5","1") = "9"
    & skf18("7","1","2","10","1","6","1") = "9"
    & skf18("7","1","2","10","1","7","1") = "9"
    & skf18("7","1","2","10","1","8","1") = "9"
    & skf18("7","1","2","10","1","9","1") = "9"
    & skf18("7","1","2","10","1","10","1") = "9"
    & skf18("7","1","2","10","2","1","1") = "9"
    & skf18("7","1","2","10","2","2","1") = "9"
    & skf18("7","1","2","10","2","3","1") = "9"
    & skf18("7","1","2","10","2","4","1") = "9"
    & skf18("7","1","2","10","2","5","1") = "9"
    & skf18("7","1","2","10","2","6","1") = "9"
    & skf18("7","1","2","10","2","7","1") = "9"
    & skf18("7","1","2","10","2","8","1") = "9"
    & skf18("7","1","2","10","2","9","1") = "9"
    & skf18("7","1","2","10","2","10","1") = "9"
    & skf18("7","1","2","10","3","1","1") = "9"
    & skf18("7","1","2","10","3","2","1") = "9"
    & skf18("7","1","2","10","3","3","1") = "9"
    & skf18("7","1","2","10","3","4","1") = "9"
    & skf18("7","1","2","10","3","5","1") = "9"
    & skf18("7","1","2","10","3","6","1") = "9"
    & skf18("7","1","2","10","3","7","1") = "9"
    & skf18("7","1","2","10","3","8","1") = "9"
    & skf18("7","1","2","10","3","9","1") = "9"
    & skf18("7","1","2","10","3","10","1") = "9"
    & skf18("7","1","2","10","4","1","1") = "9"
    & skf18("7","1","2","10","4","2","1") = "9"
    & skf18("7","1","2","10","4","3","1") = "9"
    & skf18("7","1","2","10","4","4","1") = "9"
    & skf18("7","1","2","10","4","5","1") = "9"
    & skf18("7","1","2","10","4","6","1") = "9"
    & skf18("7","1","2","10","4","7","1") = "9"
    & skf18("7","1","2","10","4","8","1") = "9"
    & skf18("7","1","2","10","4","9","1") = "9"
    & skf18("7","1","2","10","4","10","1") = "9"
    & skf18("7","1","2","10","5","1","1") = "9"
    & skf18("7","1","2","10","5","2","1") = "9"
    & skf18("7","1","2","10","5","3","1") = "9"
    & skf18("7","1","2","10","5","4","1") = "9"
    & skf18("7","1","2","10","5","5","1") = "9"
    & skf18("7","1","2","10","5","6","1") = "9"
    & skf18("7","1","2","10","5","7","1") = "9"
    & skf18("7","1","2","10","5","8","1") = "9"
    & skf18("7","1","2","10","5","9","1") = "9"
    & skf18("7","1","2","10","5","10","1") = "9"
    & skf18("7","1","2","10","6","1","1") = "9"
    & skf18("7","1","2","10","6","2","1") = "9"
    & skf18("7","1","2","10","6","3","1") = "9"
    & skf18("7","1","2","10","6","4","1") = "9"
    & skf18("7","1","2","10","6","5","1") = "9"
    & skf18("7","1","2","10","6","6","1") = "9"
    & skf18("7","1","2","10","6","7","1") = "9"
    & skf18("7","1","2","10","6","8","1") = "9"
    & skf18("7","1","2","10","6","9","1") = "9"
    & skf18("7","1","2","10","6","10","1") = "9"
    & skf18("7","1","2","10","7","1","1") = "9"
    & skf18("7","1","2","10","7","2","1") = "9"
    & skf18("7","1","2","10","7","3","1") = "9"
    & skf18("7","1","2","10","7","4","1") = "9"
    & skf18("7","1","2","10","7","5","1") = "9"
    & skf18("7","1","2","10","7","6","1") = "9"
    & skf18("7","1","2","10","7","7","1") = "9"
    & skf18("7","1","2","10","7","8","1") = "9"
    & skf18("7","1","2","10","7","9","1") = "9"
    & skf18("7","1","2","10","7","10","1") = "9"
    & skf18("7","1","2","10","8","1","1") = "9"
    & skf18("7","1","2","10","8","2","1") = "9"
    & skf18("7","1","2","10","8","3","1") = "9"
    & skf18("7","1","2","10","8","4","1") = "9"
    & skf18("7","1","2","10","8","5","1") = "9"
    & skf18("7","1","2","10","8","6","1") = "9"
    & skf18("7","1","2","10","8","7","1") = "9"
    & skf18("7","1","2","10","8","8","1") = "9"
    & skf18("7","1","2","10","8","9","1") = "9"
    & skf18("7","1","2","10","8","10","1") = "9"
    & skf18("7","1","2","10","9","1","1") = "9"
    & skf18("7","1","2","10","9","2","1") = "9"
    & skf18("7","1","2","10","9","3","1") = "9"
    & skf18("7","1","2","10","9","4","1") = "9"
    & skf18("7","1","2","10","9","5","1") = "9"
    & skf18("7","1","2","10","9","6","1") = "9"
    & skf18("7","1","2","10","9","7","1") = "9"
    & skf18("7","1","2","10","9","8","1") = "9"
    & skf18("7","1","2","10","9","9","1") = "9"
    & skf18("7","1","2","10","9","10","1") = "9"
    & skf18("7","1","2","10","10","1","1") = "9"
    & skf18("7","1","2","10","10","2","1") = "9"
    & skf18("7","1","2","10","10","3","1") = "9"
    & skf18("7","1","2","10","10","4","1") = "9"
    & skf18("7","1","2","10","10","5","1") = "9"
    & skf18("7","1","2","10","10","6","1") = "9"
    & skf18("7","1","2","10","10","7","1") = "9"
    & skf18("7","1","2","10","10","8","1") = "9"
    & skf18("7","1","2","10","10","9","1") = "9"
    & skf18("7","1","2","10","10","10","1") = "9"
    & skf18("7","1","3","1","1","1","1") = "6"
    & skf18("7","1","3","1","1","2","1") = "6"
    & skf18("7","1","3","1","1","3","1") = "6"
    & skf18("7","1","3","1","1","4","1") = "6"
    & skf18("7","1","3","1","1","5","1") = "6"
    & skf18("7","1","3","1","1","6","1") = "6"
    & skf18("7","1","3","1","1","7","1") = "6"
    & skf18("7","1","3","1","1","8","1") = "7"
    & skf18("7","1","3","1","1","9","1") = "8"
    & skf18("7","1","3","1","1","10","1") = "9"
    & skf18("7","1","3","1","2","1","1") = "6"
    & skf18("7","1","3","1","2","2","1") = "6"
    & skf18("7","1","3","1","2","3","1") = "6"
    & skf18("7","1","3","1","2","4","1") = "6"
    & skf18("7","1","3","1","2","5","1") = "6"
    & skf18("7","1","3","1","2","6","1") = "6"
    & skf18("7","1","3","1","2","7","1") = "6"
    & skf18("7","1","3","1","2","8","1") = "7"
    & skf18("7","1","3","1","2","9","1") = "8"
    & skf18("7","1","3","1","2","10","1") = "9"
    & skf18("7","1","3","1","3","1","1") = "6"
    & skf18("7","1","3","1","3","2","1") = "6"
    & skf18("7","1","3","1","3","3","1") = "6"
    & skf18("7","1","3","1","3","4","1") = "6"
    & skf18("7","1","3","1","3","5","1") = "6"
    & skf18("7","1","3","1","3","6","1") = "6"
    & skf18("7","1","3","1","3","7","1") = "6"
    & skf18("7","1","3","1","3","8","1") = "7"
    & skf18("7","1","3","1","3","9","1") = "8"
    & skf18("7","1","3","1","3","10","1") = "9"
    & skf18("7","1","3","1","4","1","1") = "6"
    & skf18("7","1","3","1","4","2","1") = "6"
    & skf18("7","1","3","1","4","3","1") = "6"
    & skf18("7","1","3","1","4","4","1") = "6"
    & skf18("7","1","3","1","4","5","1") = "6"
    & skf18("7","1","3","1","4","6","1") = "6"
    & skf18("7","1","3","1","4","7","1") = "6"
    & skf18("7","1","3","1","4","8","1") = "7"
    & skf18("7","1","3","1","4","9","1") = "8"
    & skf18("7","1","3","1","4","10","1") = "9"
    & skf18("7","1","3","1","5","1","1") = "6"
    & skf18("7","1","3","1","5","2","1") = "6"
    & skf18("7","1","3","1","5","3","1") = "6"
    & skf18("7","1","3","1","5","4","1") = "6"
    & skf18("7","1","3","1","5","5","1") = "6"
    & skf18("7","1","3","1","5","6","1") = "6"
    & skf18("7","1","3","1","5","7","1") = "6"
    & skf18("7","1","3","1","5","8","1") = "7"
    & skf18("7","1","3","1","5","9","1") = "8"
    & skf18("7","1","3","1","5","10","1") = "9"
    & skf18("7","1","3","1","6","1","1") = "6"
    & skf18("7","1","3","1","6","2","1") = "6"
    & skf18("7","1","3","1","6","3","1") = "6"
    & skf18("7","1","3","1","6","4","1") = "6"
    & skf18("7","1","3","1","6","5","1") = "6"
    & skf18("7","1","3","1","6","6","1") = "6"
    & skf18("7","1","3","1","6","7","1") = "6"
    & skf18("7","1","3","1","6","8","1") = "7"
    & skf18("7","1","3","1","6","9","1") = "8"
    & skf18("7","1","3","1","6","10","1") = "9"
    & skf18("7","1","3","1","7","1","1") = "6"
    & skf18("7","1","3","1","7","2","1") = "6"
    & skf18("7","1","3","1","7","3","1") = "6"
    & skf18("7","1","3","1","7","4","1") = "6"
    & skf18("7","1","3","1","7","5","1") = "6"
    & skf18("7","1","3","1","7","6","1") = "6"
    & skf18("7","1","3","1","7","7","1") = "6"
    & skf18("7","1","3","1","7","8","1") = "7"
    & skf18("7","1","3","1","7","9","1") = "8"
    & skf18("7","1","3","1","7","10","1") = "9"
    & skf18("7","1","3","1","8","1","1") = "7"
    & skf18("7","1","3","1","8","2","1") = "7"
    & skf18("7","1","3","1","8","3","1") = "7"
    & skf18("7","1","3","1","8","4","1") = "7"
    & skf18("7","1","3","1","8","5","1") = "7"
    & skf18("7","1","3","1","8","6","1") = "7"
    & skf18("7","1","3","1","8","7","1") = "7"
    & skf18("7","1","3","1","8","8","1") = "7"
    & skf18("7","1","3","1","8","9","1") = "8"
    & skf18("7","1","3","1","8","10","1") = "9"
    & skf18("7","1","3","1","9","1","1") = "8"
    & skf18("7","1","3","1","9","2","1") = "8"
    & skf18("7","1","3","1","9","3","1") = "8"
    & skf18("7","1","3","1","9","4","1") = "8"
    & skf18("7","1","3","1","9","5","1") = "8"
    & skf18("7","1","3","1","9","6","1") = "8"
    & skf18("7","1","3","1","9","7","1") = "8"
    & skf18("7","1","3","1","9","8","1") = "8"
    & skf18("7","1","3","1","9","9","1") = "8"
    & skf18("7","1","3","1","9","10","1") = "9"
    & skf18("7","1","3","1","10","1","1") = "9"
    & skf18("7","1","3","1","10","2","1") = "9"
    & skf18("7","1","3","1","10","3","1") = "9"
    & skf18("7","1","3","1","10","4","1") = "9"
    & skf18("7","1","3","1","10","5","1") = "9"
    & skf18("7","1","3","1","10","6","1") = "9"
    & skf18("7","1","3","1","10","7","1") = "9"
    & skf18("7","1","3","1","10","8","1") = "9"
    & skf18("7","1","3","1","10","9","1") = "9"
    & skf18("7","1","3","1","10","10","1") = "9"
    & skf18("7","1","3","2","1","1","1") = "6"
    & skf18("7","1","3","2","1","2","1") = "6"
    & skf18("7","1","3","2","1","3","1") = "6"
    & skf18("7","1","3","2","1","4","1") = "6"
    & skf18("7","1","3","2","1","5","1") = "6"
    & skf18("7","1","3","2","1","6","1") = "6"
    & skf18("7","1","3","2","1","7","1") = "6"
    & skf18("7","1","3","2","1","8","1") = "7"
    & skf18("7","1","3","2","1","9","1") = "8"
    & skf18("7","1","3","2","1","10","1") = "9"
    & skf18("7","1","3","2","2","1","1") = "6"
    & skf18("7","1","3","2","2","2","1") = "6"
    & skf18("7","1","3","2","2","3","1") = "6"
    & skf18("7","1","3","2","2","4","1") = "6"
    & skf18("7","1","3","2","2","5","1") = "6"
    & skf18("7","1","3","2","2","6","1") = "6"
    & skf18("7","1","3","2","2","7","1") = "6"
    & skf18("7","1","3","2","2","8","1") = "7"
    & skf18("7","1","3","2","2","9","1") = "8"
    & skf18("7","1","3","2","2","10","1") = "9"
    & skf18("7","1","3","2","3","1","1") = "6"
    & skf18("7","1","3","2","3","2","1") = "6"
    & skf18("7","1","3","2","3","3","1") = "6"
    & skf18("7","1","3","2","3","4","1") = "6"
    & skf18("7","1","3","2","3","5","1") = "6"
    & skf18("7","1","3","2","3","6","1") = "6"
    & skf18("7","1","3","2","3","7","1") = "6"
    & skf18("7","1","3","2","3","8","1") = "7"
    & skf18("7","1","3","2","3","9","1") = "8"
    & skf18("7","1","3","2","3","10","1") = "9"
    & skf18("7","1","3","2","4","1","1") = "6"
    & skf18("7","1","3","2","4","2","1") = "6"
    & skf18("7","1","3","2","4","3","1") = "6"
    & skf18("7","1","3","2","4","4","1") = "6"
    & skf18("7","1","3","2","4","5","1") = "6"
    & skf18("7","1","3","2","4","6","1") = "6"
    & skf18("7","1","3","2","4","7","1") = "6"
    & skf18("7","1","3","2","4","8","1") = "7"
    & skf18("7","1","3","2","4","9","1") = "8"
    & skf18("7","1","3","2","4","10","1") = "9"
    & skf18("7","1","3","2","5","1","1") = "6"
    & skf18("7","1","3","2","5","2","1") = "6"
    & skf18("7","1","3","2","5","3","1") = "6"
    & skf18("7","1","3","2","5","4","1") = "6"
    & skf18("7","1","3","2","5","5","1") = "6"
    & skf18("7","1","3","2","5","6","1") = "6"
    & skf18("7","1","3","2","5","7","1") = "6"
    & skf18("7","1","3","2","5","8","1") = "7"
    & skf18("7","1","3","2","5","9","1") = "8"
    & skf18("7","1","3","2","5","10","1") = "9"
    & skf18("7","1","3","2","6","1","1") = "6"
    & skf18("7","1","3","2","6","2","1") = "6"
    & skf18("7","1","3","2","6","3","1") = "6"
    & skf18("7","1","3","2","6","4","1") = "6"
    & skf18("7","1","3","2","6","5","1") = "6"
    & skf18("7","1","3","2","6","6","1") = "6"
    & skf18("7","1","3","2","6","7","1") = "6"
    & skf18("7","1","3","2","6","8","1") = "7"
    & skf18("7","1","3","2","6","9","1") = "8"
    & skf18("7","1","3","2","6","10","1") = "9"
    & skf18("7","1","3","2","7","1","1") = "6"
    & skf18("7","1","3","2","7","2","1") = "6"
    & skf18("7","1","3","2","7","3","1") = "6"
    & skf18("7","1","3","2","7","4","1") = "6"
    & skf18("7","1","3","2","7","5","1") = "6"
    & skf18("7","1","3","2","7","6","1") = "6"
    & skf18("7","1","3","2","7","7","1") = "6"
    & skf18("7","1","3","2","7","8","1") = "7"
    & skf18("7","1","3","2","7","9","1") = "8"
    & skf18("7","1","3","2","7","10","1") = "9"
    & skf18("7","1","3","2","8","1","1") = "7"
    & skf18("7","1","3","2","8","2","1") = "7"
    & skf18("7","1","3","2","8","3","1") = "7"
    & skf18("7","1","3","2","8","4","1") = "7"
    & skf18("7","1","3","2","8","5","1") = "7"
    & skf18("7","1","3","2","8","6","1") = "7"
    & skf18("7","1","3","2","8","7","1") = "7"
    & skf18("7","1","3","2","8","8","1") = "7"
    & skf18("7","1","3","2","8","9","1") = "8"
    & skf18("7","1","3","2","8","10","1") = "9"
    & skf18("7","1","3","2","9","1","1") = "8"
    & skf18("7","1","3","2","9","2","1") = "8"
    & skf18("7","1","3","2","9","3","1") = "8"
    & skf18("7","1","3","2","9","4","1") = "8"
    & skf18("7","1","3","2","9","5","1") = "8"
    & skf18("7","1","3","2","9","6","1") = "8"
    & skf18("7","1","3","2","9","7","1") = "8"
    & skf18("7","1","3","2","9","8","1") = "8"
    & skf18("7","1","3","2","9","9","1") = "8"
    & skf18("7","1","3","2","9","10","1") = "9"
    & skf18("7","1","3","2","10","1","1") = "9"
    & skf18("7","1","3","2","10","2","1") = "9"
    & skf18("7","1","3","2","10","3","1") = "9"
    & skf18("7","1","3","2","10","4","1") = "9"
    & skf18("7","1","3","2","10","5","1") = "9"
    & skf18("7","1","3","2","10","6","1") = "9"
    & skf18("7","1","3","2","10","7","1") = "9"
    & skf18("7","1","3","2","10","8","1") = "9"
    & skf18("7","1","3","2","10","9","1") = "9"
    & skf18("7","1","3","2","10","10","1") = "9"
    & skf18("7","1","3","3","1","1","1") = "6"
    & skf18("7","1","3","3","1","2","1") = "6"
    & skf18("7","1","3","3","1","3","1") = "6"
    & skf18("7","1","3","3","1","4","1") = "6"
    & skf18("7","1","3","3","1","5","1") = "6"
    & skf18("7","1","3","3","1","6","1") = "6"
    & skf18("7","1","3","3","1","7","1") = "6"
    & skf18("7","1","3","3","1","8","1") = "7"
    & skf18("7","1","3","3","1","9","1") = "8"
    & skf18("7","1","3","3","1","10","1") = "9"
    & skf18("7","1","3","3","2","1","1") = "6"
    & skf18("7","1","3","3","2","2","1") = "6"
    & skf18("7","1","3","3","2","3","1") = "6"
    & skf18("7","1","3","3","2","4","1") = "6"
    & skf18("7","1","3","3","2","5","1") = "6"
    & skf18("7","1","3","3","2","6","1") = "6"
    & skf18("7","1","3","3","2","7","1") = "6"
    & skf18("7","1","3","3","2","8","1") = "7"
    & skf18("7","1","3","3","2","9","1") = "8"
    & skf18("7","1","3","3","2","10","1") = "9"
    & skf18("7","1","3","3","3","1","1") = "6"
    & skf18("7","1","3","3","3","2","1") = "6"
    & skf18("7","1","3","3","3","3","1") = "6"
    & skf18("7","1","3","3","3","4","1") = "6"
    & skf18("7","1","3","3","3","5","1") = "6"
    & skf18("7","1","3","3","3","6","1") = "6"
    & skf18("7","1","3","3","3","7","1") = "6"
    & skf18("7","1","3","3","3","8","1") = "7"
    & skf18("7","1","3","3","3","9","1") = "8"
    & skf18("7","1","3","3","3","10","1") = "9"
    & skf18("7","1","3","3","4","1","1") = "6"
    & skf18("7","1","3","3","4","2","1") = "6"
    & skf18("7","1","3","3","4","3","1") = "6"
    & skf18("7","1","3","3","4","4","1") = "6"
    & skf18("7","1","3","3","4","5","1") = "6"
    & skf18("7","1","3","3","4","6","1") = "6"
    & skf18("7","1","3","3","4","7","1") = "6"
    & skf18("7","1","3","3","4","8","1") = "7"
    & skf18("7","1","3","3","4","9","1") = "8"
    & skf18("7","1","3","3","4","10","1") = "9"
    & skf18("7","1","3","3","5","1","1") = "6"
    & skf18("7","1","3","3","5","2","1") = "6"
    & skf18("7","1","3","3","5","3","1") = "6"
    & skf18("7","1","3","3","5","4","1") = "6"
    & skf18("7","1","3","3","5","5","1") = "6"
    & skf18("7","1","3","3","5","6","1") = "6"
    & skf18("7","1","3","3","5","7","1") = "6"
    & skf18("7","1","3","3","5","8","1") = "7"
    & skf18("7","1","3","3","5","9","1") = "8"
    & skf18("7","1","3","3","5","10","1") = "9"
    & skf18("7","1","3","3","6","1","1") = "6"
    & skf18("7","1","3","3","6","2","1") = "6"
    & skf18("7","1","3","3","6","3","1") = "6"
    & skf18("7","1","3","3","6","4","1") = "6"
    & skf18("7","1","3","3","6","5","1") = "6"
    & skf18("7","1","3","3","6","6","1") = "6"
    & skf18("7","1","3","3","6","7","1") = "6"
    & skf18("7","1","3","3","6","8","1") = "7"
    & skf18("7","1","3","3","6","9","1") = "8"
    & skf18("7","1","3","3","6","10","1") = "9"
    & skf18("7","1","3","3","7","1","1") = "6"
    & skf18("7","1","3","3","7","2","1") = "6"
    & skf18("7","1","3","3","7","3","1") = "6"
    & skf18("7","1","3","3","7","4","1") = "6"
    & skf18("7","1","3","3","7","5","1") = "6"
    & skf18("7","1","3","3","7","6","1") = "6"
    & skf18("7","1","3","3","7","7","1") = "6"
    & skf18("7","1","3","3","7","8","1") = "7"
    & skf18("7","1","3","3","7","9","1") = "8"
    & skf18("7","1","3","3","7","10","1") = "9"
    & skf18("7","1","3","3","8","1","1") = "7"
    & skf18("7","1","3","3","8","2","1") = "7"
    & skf18("7","1","3","3","8","3","1") = "7"
    & skf18("7","1","3","3","8","4","1") = "7"
    & skf18("7","1","3","3","8","5","1") = "7"
    & skf18("7","1","3","3","8","6","1") = "7"
    & skf18("7","1","3","3","8","7","1") = "7"
    & skf18("7","1","3","3","8","8","1") = "7"
    & skf18("7","1","3","3","8","9","1") = "8"
    & skf18("7","1","3","3","8","10","1") = "9"
    & skf18("7","1","3","3","9","1","1") = "8"
    & skf18("7","1","3","3","9","2","1") = "8"
    & skf18("7","1","3","3","9","3","1") = "8"
    & skf18("7","1","3","3","9","4","1") = "8"
    & skf18("7","1","3","3","9","5","1") = "8"
    & skf18("7","1","3","3","9","6","1") = "8"
    & skf18("7","1","3","3","9","7","1") = "8"
    & skf18("7","1","3","3","9","8","1") = "8"
    & skf18("7","1","3","3","9","9","1") = "8"
    & skf18("7","1","3","3","9","10","1") = "9"
    & skf18("7","1","3","3","10","1","1") = "9"
    & skf18("7","1","3","3","10","2","1") = "9"
    & skf18("7","1","3","3","10","3","1") = "9"
    & skf18("7","1","3","3","10","4","1") = "9"
    & skf18("7","1","3","3","10","5","1") = "9"
    & skf18("7","1","3","3","10","6","1") = "9"
    & skf18("7","1","3","3","10","7","1") = "9"
    & skf18("7","1","3","3","10","8","1") = "9"
    & skf18("7","1","3","3","10","9","1") = "9"
    & skf18("7","1","3","3","10","10","1") = "9"
    & skf18("7","1","3","4","1","1","1") = "6"
    & skf18("7","1","3","4","1","2","1") = "6"
    & skf18("7","1","3","4","1","3","1") = "6"
    & skf18("7","1","3","4","1","4","1") = "6"
    & skf18("7","1","3","4","1","5","1") = "6"
    & skf18("7","1","3","4","1","6","1") = "6"
    & skf18("7","1","3","4","1","7","1") = "6"
    & skf18("7","1","3","4","1","8","1") = "7"
    & skf18("7","1","3","4","1","9","1") = "8"
    & skf18("7","1","3","4","1","10","1") = "9"
    & skf18("7","1","3","4","2","1","1") = "6"
    & skf18("7","1","3","4","2","2","1") = "6"
    & skf18("7","1","3","4","2","3","1") = "6"
    & skf18("7","1","3","4","2","4","1") = "6"
    & skf18("7","1","3","4","2","5","1") = "6"
    & skf18("7","1","3","4","2","6","1") = "6"
    & skf18("7","1","3","4","2","7","1") = "6"
    & skf18("7","1","3","4","2","8","1") = "7"
    & skf18("7","1","3","4","2","9","1") = "8"
    & skf18("7","1","3","4","2","10","1") = "9"
    & skf18("7","1","3","4","3","1","1") = "6"
    & skf18("7","1","3","4","3","2","1") = "6"
    & skf18("7","1","3","4","3","3","1") = "6"
    & skf18("7","1","3","4","3","4","1") = "6"
    & skf18("7","1","3","4","3","5","1") = "6"
    & skf18("7","1","3","4","3","6","1") = "6"
    & skf18("7","1","3","4","3","7","1") = "6"
    & skf18("7","1","3","4","3","8","1") = "7"
    & skf18("7","1","3","4","3","9","1") = "8"
    & skf18("7","1","3","4","3","10","1") = "9"
    & skf18("7","1","3","4","4","1","1") = "6"
    & skf18("7","1","3","4","4","2","1") = "6"
    & skf18("7","1","3","4","4","3","1") = "6"
    & skf18("7","1","3","4","4","4","1") = "6"
    & skf18("7","1","3","4","4","5","1") = "6"
    & skf18("7","1","3","4","4","6","1") = "6"
    & skf18("7","1","3","4","4","7","1") = "6"
    & skf18("7","1","3","4","4","8","1") = "7"
    & skf18("7","1","3","4","4","9","1") = "8"
    & skf18("7","1","3","4","4","10","1") = "9"
    & skf18("7","1","3","4","5","1","1") = "6"
    & skf18("7","1","3","4","5","2","1") = "6"
    & skf18("7","1","3","4","5","3","1") = "6"
    & skf18("7","1","3","4","5","4","1") = "6"
    & skf18("7","1","3","4","5","5","1") = "6"
    & skf18("7","1","3","4","5","6","1") = "6"
    & skf18("7","1","3","4","5","7","1") = "6"
    & skf18("7","1","3","4","5","8","1") = "7"
    & skf18("7","1","3","4","5","9","1") = "8"
    & skf18("7","1","3","4","5","10","1") = "9"
    & skf18("7","1","3","4","6","1","1") = "6"
    & skf18("7","1","3","4","6","2","1") = "6"
    & skf18("7","1","3","4","6","3","1") = "6"
    & skf18("7","1","3","4","6","4","1") = "6"
    & skf18("7","1","3","4","6","5","1") = "6"
    & skf18("7","1","3","4","6","6","1") = "6"
    & skf18("7","1","3","4","6","7","1") = "6"
    & skf18("7","1","3","4","6","8","1") = "7"
    & skf18("7","1","3","4","6","9","1") = "8"
    & skf18("7","1","3","4","6","10","1") = "9"
    & skf18("7","1","3","4","7","1","1") = "6"
    & skf18("7","1","3","4","7","2","1") = "6"
    & skf18("7","1","3","4","7","3","1") = "6"
    & skf18("7","1","3","4","7","4","1") = "6"
    & skf18("7","1","3","4","7","5","1") = "6"
    & skf18("7","1","3","4","7","6","1") = "6"
    & skf18("7","1","3","4","7","7","1") = "6"
    & skf18("7","1","3","4","7","8","1") = "7"
    & skf18("7","1","3","4","7","9","1") = "8"
    & skf18("7","1","3","4","7","10","1") = "9"
    & skf18("7","1","3","4","8","1","1") = "7"
    & skf18("7","1","3","4","8","2","1") = "7"
    & skf18("7","1","3","4","8","3","1") = "7"
    & skf18("7","1","3","4","8","4","1") = "7"
    & skf18("7","1","3","4","8","5","1") = "7"
    & skf18("7","1","3","4","8","6","1") = "7"
    & skf18("7","1","3","4","8","7","1") = "7"
    & skf18("7","1","3","4","8","8","1") = "7"
    & skf18("7","1","3","4","8","9","1") = "8"
    & skf18("7","1","3","4","8","10","1") = "9"
    & skf18("7","1","3","4","9","1","1") = "8"
    & skf18("7","1","3","4","9","2","1") = "8"
    & skf18("7","1","3","4","9","3","1") = "8"
    & skf18("7","1","3","4","9","4","1") = "8"
    & skf18("7","1","3","4","9","5","1") = "8"
    & skf18("7","1","3","4","9","6","1") = "8"
    & skf18("7","1","3","4","9","7","1") = "8"
    & skf18("7","1","3","4","9","8","1") = "8"
    & skf18("7","1","3","4","9","9","1") = "8"
    & skf18("7","1","3","4","9","10","1") = "9"
    & skf18("7","1","3","4","10","1","1") = "9"
    & skf18("7","1","3","4","10","2","1") = "9"
    & skf18("7","1","3","4","10","3","1") = "9"
    & skf18("7","1","3","4","10","4","1") = "9"
    & skf18("7","1","3","4","10","5","1") = "9"
    & skf18("7","1","3","4","10","6","1") = "9"
    & skf18("7","1","3","4","10","7","1") = "9"
    & skf18("7","1","3","4","10","8","1") = "9"
    & skf18("7","1","3","4","10","9","1") = "9"
    & skf18("7","1","3","4","10","10","1") = "9"
    & skf18("7","1","3","5","1","1","1") = "6"
    & skf18("7","1","3","5","1","2","1") = "6"
    & skf18("7","1","3","5","1","3","1") = "6"
    & skf18("7","1","3","5","1","4","1") = "6"
    & skf18("7","1","3","5","1","5","1") = "6"
    & skf18("7","1","3","5","1","6","1") = "6"
    & skf18("7","1","3","5","1","7","1") = "6"
    & skf18("7","1","3","5","1","8","1") = "7"
    & skf18("7","1","3","5","1","9","1") = "8"
    & skf18("7","1","3","5","1","10","1") = "9"
    & skf18("7","1","3","5","2","1","1") = "6"
    & skf18("7","1","3","5","2","2","1") = "6"
    & skf18("7","1","3","5","2","3","1") = "6"
    & skf18("7","1","3","5","2","4","1") = "6"
    & skf18("7","1","3","5","2","5","1") = "6"
    & skf18("7","1","3","5","2","6","1") = "6"
    & skf18("7","1","3","5","2","7","1") = "6"
    & skf18("7","1","3","5","2","8","1") = "7"
    & skf18("7","1","3","5","2","9","1") = "8"
    & skf18("7","1","3","5","2","10","1") = "9"
    & skf18("7","1","3","5","3","1","1") = "6"
    & skf18("7","1","3","5","3","2","1") = "6"
    & skf18("7","1","3","5","3","3","1") = "6"
    & skf18("7","1","3","5","3","4","1") = "6"
    & skf18("7","1","3","5","3","5","1") = "6"
    & skf18("7","1","3","5","3","6","1") = "6"
    & skf18("7","1","3","5","3","7","1") = "6"
    & skf18("7","1","3","5","3","8","1") = "7"
    & skf18("7","1","3","5","3","9","1") = "8"
    & skf18("7","1","3","5","3","10","1") = "9"
    & skf18("7","1","3","5","4","1","1") = "6"
    & skf18("7","1","3","5","4","2","1") = "6"
    & skf18("7","1","3","5","4","3","1") = "6"
    & skf18("7","1","3","5","4","4","1") = "6"
    & skf18("7","1","3","5","4","5","1") = "6"
    & skf18("7","1","3","5","4","6","1") = "6"
    & skf18("7","1","3","5","4","7","1") = "6"
    & skf18("7","1","3","5","4","8","1") = "7"
    & skf18("7","1","3","5","4","9","1") = "8"
    & skf18("7","1","3","5","4","10","1") = "9"
    & skf18("7","1","3","5","5","1","1") = "6"
    & skf18("7","1","3","5","5","2","1") = "6"
    & skf18("7","1","3","5","5","3","1") = "6"
    & skf18("7","1","3","5","5","4","1") = "6"
    & skf18("7","1","3","5","5","5","1") = "6"
    & skf18("7","1","3","5","5","6","1") = "6"
    & skf18("7","1","3","5","5","7","1") = "6"
    & skf18("7","1","3","5","5","8","1") = "7"
    & skf18("7","1","3","5","5","9","1") = "8"
    & skf18("7","1","3","5","5","10","1") = "9"
    & skf18("7","1","3","5","6","1","1") = "6"
    & skf18("7","1","3","5","6","2","1") = "6"
    & skf18("7","1","3","5","6","3","1") = "6"
    & skf18("7","1","3","5","6","4","1") = "6"
    & skf18("7","1","3","5","6","5","1") = "6"
    & skf18("7","1","3","5","6","6","1") = "6"
    & skf18("7","1","3","5","6","7","1") = "6"
    & skf18("7","1","3","5","6","8","1") = "7"
    & skf18("7","1","3","5","6","9","1") = "8"
    & skf18("7","1","3","5","6","10","1") = "9"
    & skf18("7","1","3","5","7","1","1") = "6"
    & skf18("7","1","3","5","7","2","1") = "6"
    & skf18("7","1","3","5","7","3","1") = "6"
    & skf18("7","1","3","5","7","4","1") = "6"
    & skf18("7","1","3","5","7","5","1") = "6"
    & skf18("7","1","3","5","7","6","1") = "6"
    & skf18("7","1","3","5","7","7","1") = "6"
    & skf18("7","1","3","5","7","8","1") = "7"
    & skf18("7","1","3","5","7","9","1") = "8"
    & skf18("7","1","3","5","7","10","1") = "9"
    & skf18("7","1","3","5","8","1","1") = "7"
    & skf18("7","1","3","5","8","2","1") = "7"
    & skf18("7","1","3","5","8","3","1") = "7"
    & skf18("7","1","3","5","8","4","1") = "7"
    & skf18("7","1","3","5","8","5","1") = "7"
    & skf18("7","1","3","5","8","6","1") = "7"
    & skf18("7","1","3","5","8","7","1") = "7"
    & skf18("7","1","3","5","8","8","1") = "7"
    & skf18("7","1","3","5","8","9","1") = "8"
    & skf18("7","1","3","5","8","10","1") = "9"
    & skf18("7","1","3","5","9","1","1") = "8"
    & skf18("7","1","3","5","9","2","1") = "8"
    & skf18("7","1","3","5","9","3","1") = "8"
    & skf18("7","1","3","5","9","4","1") = "8"
    & skf18("7","1","3","5","9","5","1") = "8"
    & skf18("7","1","3","5","9","6","1") = "8"
    & skf18("7","1","3","5","9","7","1") = "8"
    & skf18("7","1","3","5","9","8","1") = "8"
    & skf18("7","1","3","5","9","9","1") = "8"
    & skf18("7","1","3","5","9","10","1") = "9"
    & skf18("7","1","3","5","10","1","1") = "9"
    & skf18("7","1","3","5","10","2","1") = "9"
    & skf18("7","1","3","5","10","3","1") = "9"
    & skf18("7","1","3","5","10","4","1") = "9"
    & skf18("7","1","3","5","10","5","1") = "9"
    & skf18("7","1","3","5","10","6","1") = "9"
    & skf18("7","1","3","5","10","7","1") = "9"
    & skf18("7","1","3","5","10","8","1") = "9"
    & skf18("7","1","3","5","10","9","1") = "9"
    & skf18("7","1","3","5","10","10","1") = "9"
    & skf18("7","1","3","6","1","1","1") = "6"
    & skf18("7","1","3","6","1","2","1") = "6"
    & skf18("7","1","3","6","1","3","1") = "6"
    & skf18("7","1","3","6","1","4","1") = "6"
    & skf18("7","1","3","6","1","5","1") = "6"
    & skf18("7","1","3","6","1","6","1") = "6"
    & skf18("7","1","3","6","1","7","1") = "6"
    & skf18("7","1","3","6","1","8","1") = "7"
    & skf18("7","1","3","6","1","9","1") = "8"
    & skf18("7","1","3","6","1","10","1") = "9"
    & skf18("7","1","3","6","2","1","1") = "6"
    & skf18("7","1","3","6","2","2","1") = "6"
    & skf18("7","1","3","6","2","3","1") = "6"
    & skf18("7","1","3","6","2","4","1") = "6"
    & skf18("7","1","3","6","2","5","1") = "6"
    & skf18("7","1","3","6","2","6","1") = "6"
    & skf18("7","1","3","6","2","7","1") = "6"
    & skf18("7","1","3","6","2","8","1") = "7"
    & skf18("7","1","3","6","2","9","1") = "8"
    & skf18("7","1","3","6","2","10","1") = "9"
    & skf18("7","1","3","6","3","1","1") = "6"
    & skf18("7","1","3","6","3","2","1") = "6"
    & skf18("7","1","3","6","3","3","1") = "6"
    & skf18("7","1","3","6","3","4","1") = "6"
    & skf18("7","1","3","6","3","5","1") = "6"
    & skf18("7","1","3","6","3","6","1") = "6"
    & skf18("7","1","3","6","3","7","1") = "6"
    & skf18("7","1","3","6","3","8","1") = "7"
    & skf18("7","1","3","6","3","9","1") = "8"
    & skf18("7","1","3","6","3","10","1") = "9"
    & skf18("7","1","3","6","4","1","1") = "6"
    & skf18("7","1","3","6","4","2","1") = "6"
    & skf18("7","1","3","6","4","3","1") = "6"
    & skf18("7","1","3","6","4","4","1") = "6"
    & skf18("7","1","3","6","4","5","1") = "6"
    & skf18("7","1","3","6","4","6","1") = "6"
    & skf18("7","1","3","6","4","7","1") = "6"
    & skf18("7","1","3","6","4","8","1") = "7"
    & skf18("7","1","3","6","4","9","1") = "8"
    & skf18("7","1","3","6","4","10","1") = "9"
    & skf18("7","1","3","6","5","1","1") = "6"
    & skf18("7","1","3","6","5","2","1") = "6"
    & skf18("7","1","3","6","5","3","1") = "6"
    & skf18("7","1","3","6","5","4","1") = "6"
    & skf18("7","1","3","6","5","5","1") = "6"
    & skf18("7","1","3","6","5","6","1") = "6"
    & skf18("7","1","3","6","5","7","1") = "6"
    & skf18("7","1","3","6","5","8","1") = "7"
    & skf18("7","1","3","6","5","9","1") = "8"
    & skf18("7","1","3","6","5","10","1") = "9"
    & skf18("7","1","3","6","6","1","1") = "6"
    & skf18("7","1","3","6","6","2","1") = "6"
    & skf18("7","1","3","6","6","3","1") = "6"
    & skf18("7","1","3","6","6","4","1") = "6"
    & skf18("7","1","3","6","6","5","1") = "6"
    & skf18("7","1","3","6","6","6","1") = "6"
    & skf18("7","1","3","6","6","7","1") = "6"
    & skf18("7","1","3","6","6","8","1") = "7"
    & skf18("7","1","3","6","6","9","1") = "8"
    & skf18("7","1","3","6","6","10","1") = "9"
    & skf18("7","1","3","6","7","1","1") = "6"
    & skf18("7","1","3","6","7","2","1") = "6"
    & skf18("7","1","3","6","7","3","1") = "6"
    & skf18("7","1","3","6","7","4","1") = "6"
    & skf18("7","1","3","6","7","5","1") = "6"
    & skf18("7","1","3","6","7","6","1") = "6"
    & skf18("7","1","3","6","7","7","1") = "6"
    & skf18("7","1","3","6","7","8","1") = "7"
    & skf18("7","1","3","6","7","9","1") = "8"
    & skf18("7","1","3","6","7","10","1") = "9"
    & skf18("7","1","3","6","8","1","1") = "7"
    & skf18("7","1","3","6","8","2","1") = "7"
    & skf18("7","1","3","6","8","3","1") = "7"
    & skf18("7","1","3","6","8","4","1") = "7"
    & skf18("7","1","3","6","8","5","1") = "7"
    & skf18("7","1","3","6","8","6","1") = "7"
    & skf18("7","1","3","6","8","7","1") = "7"
    & skf18("7","1","3","6","8","8","1") = "7"
    & skf18("7","1","3","6","8","9","1") = "8"
    & skf18("7","1","3","6","8","10","1") = "9"
    & skf18("7","1","3","6","9","1","1") = "8"
    & skf18("7","1","3","6","9","2","1") = "8"
    & skf18("7","1","3","6","9","3","1") = "8"
    & skf18("7","1","3","6","9","4","1") = "8"
    & skf18("7","1","3","6","9","5","1") = "8"
    & skf18("7","1","3","6","9","6","1") = "8"
    & skf18("7","1","3","6","9","7","1") = "8"
    & skf18("7","1","3","6","9","8","1") = "8"
    & skf18("7","1","3","6","9","9","1") = "8"
    & skf18("7","1","3","6","9","10","1") = "9"
    & skf18("7","1","3","6","10","1","1") = "9"
    & skf18("7","1","3","6","10","2","1") = "9"
    & skf18("7","1","3","6","10","3","1") = "9"
    & skf18("7","1","3","6","10","4","1") = "9"
    & skf18("7","1","3","6","10","5","1") = "9"
    & skf18("7","1","3","6","10","6","1") = "9"
    & skf18("7","1","3","6","10","7","1") = "9"
    & skf18("7","1","3","6","10","8","1") = "9"
    & skf18("7","1","3","6","10","9","1") = "9"
    & skf18("7","1","3","6","10","10","1") = "9"
    & skf18("7","1","3","7","1","1","1") = "6"
    & skf18("7","1","3","7","1","2","1") = "6"
    & skf18("7","1","3","7","1","3","1") = "6"
    & skf18("7","1","3","7","1","4","1") = "6"
    & skf18("7","1","3","7","1","5","1") = "6"
    & skf18("7","1","3","7","1","6","1") = "6"
    & skf18("7","1","3","7","1","7","1") = "6"
    & skf18("7","1","3","7","1","8","1") = "7"
    & skf18("7","1","3","7","1","9","1") = "8"
    & skf18("7","1","3","7","1","10","1") = "9"
    & skf18("7","1","3","7","2","1","1") = "6"
    & skf18("7","1","3","7","2","2","1") = "6"
    & skf18("7","1","3","7","2","3","1") = "6"
    & skf18("7","1","3","7","2","4","1") = "6"
    & skf18("7","1","3","7","2","5","1") = "6"
    & skf18("7","1","3","7","2","6","1") = "6"
    & skf18("7","1","3","7","2","7","1") = "6"
    & skf18("7","1","3","7","2","8","1") = "7"
    & skf18("7","1","3","7","2","9","1") = "8"
    & skf18("7","1","3","7","2","10","1") = "9"
    & skf18("7","1","3","7","3","1","1") = "6"
    & skf18("7","1","3","7","3","2","1") = "6"
    & skf18("7","1","3","7","3","3","1") = "6"
    & skf18("7","1","3","7","3","4","1") = "6"
    & skf18("7","1","3","7","3","5","1") = "6"
    & skf18("7","1","3","7","3","6","1") = "6"
    & skf18("7","1","3","7","3","7","1") = "6"
    & skf18("7","1","3","7","3","8","1") = "7"
    & skf18("7","1","3","7","3","9","1") = "8"
    & skf18("7","1","3","7","3","10","1") = "9"
    & skf18("7","1","3","7","4","1","1") = "6"
    & skf18("7","1","3","7","4","2","1") = "6"
    & skf18("7","1","3","7","4","3","1") = "6"
    & skf18("7","1","3","7","4","4","1") = "6"
    & skf18("7","1","3","7","4","5","1") = "6"
    & skf18("7","1","3","7","4","6","1") = "6"
    & skf18("7","1","3","7","4","7","1") = "6"
    & skf18("7","1","3","7","4","8","1") = "7"
    & skf18("7","1","3","7","4","9","1") = "8"
    & skf18("7","1","3","7","4","10","1") = "9"
    & skf18("7","1","3","7","5","1","1") = "6"
    & skf18("7","1","3","7","5","2","1") = "6"
    & skf18("7","1","3","7","5","3","1") = "6"
    & skf18("7","1","3","7","5","4","1") = "6"
    & skf18("7","1","3","7","5","5","1") = "6"
    & skf18("7","1","3","7","5","6","1") = "6"
    & skf18("7","1","3","7","5","7","1") = "6"
    & skf18("7","1","3","7","5","8","1") = "7"
    & skf18("7","1","3","7","5","9","1") = "8"
    & skf18("7","1","3","7","5","10","1") = "9"
    & skf18("7","1","3","7","6","1","1") = "6"
    & skf18("7","1","3","7","6","2","1") = "6"
    & skf18("7","1","3","7","6","3","1") = "6"
    & skf18("7","1","3","7","6","4","1") = "6"
    & skf18("7","1","3","7","6","5","1") = "6"
    & skf18("7","1","3","7","6","6","1") = "6"
    & skf18("7","1","3","7","6","7","1") = "6"
    & skf18("7","1","3","7","6","8","1") = "7"
    & skf18("7","1","3","7","6","9","1") = "8"
    & skf18("7","1","3","7","6","10","1") = "9"
    & skf18("7","1","3","7","7","1","1") = "6"
    & skf18("7","1","3","7","7","2","1") = "6"
    & skf18("7","1","3","7","7","3","1") = "6"
    & skf18("7","1","3","7","7","4","1") = "6"
    & skf18("7","1","3","7","7","5","1") = "6"
    & skf18("7","1","3","7","7","6","1") = "6"
    & skf18("7","1","3","7","7","7","1") = "6"
    & skf18("7","1","3","7","7","8","1") = "7"
    & skf18("7","1","3","7","7","9","1") = "8"
    & skf18("7","1","3","7","7","10","1") = "9"
    & skf18("7","1","3","7","8","1","1") = "7"
    & skf18("7","1","3","7","8","2","1") = "7"
    & skf18("7","1","3","7","8","3","1") = "7"
    & skf18("7","1","3","7","8","4","1") = "7"
    & skf18("7","1","3","7","8","5","1") = "7"
    & skf18("7","1","3","7","8","6","1") = "7"
    & skf18("7","1","3","7","8","7","1") = "7"
    & skf18("7","1","3","7","8","8","1") = "7"
    & skf18("7","1","3","7","8","9","1") = "8"
    & skf18("7","1","3","7","8","10","1") = "9"
    & skf18("7","1","3","7","9","1","1") = "8"
    & skf18("7","1","3","7","9","2","1") = "8"
    & skf18("7","1","3","7","9","3","1") = "8"
    & skf18("7","1","3","7","9","4","1") = "8"
    & skf18("7","1","3","7","9","5","1") = "8"
    & skf18("7","1","3","7","9","6","1") = "8"
    & skf18("7","1","3","7","9","7","1") = "8"
    & skf18("7","1","3","7","9","8","1") = "8"
    & skf18("7","1","3","7","9","9","1") = "8"
    & skf18("7","1","3","7","9","10","1") = "9"
    & skf18("7","1","3","7","10","1","1") = "9"
    & skf18("7","1","3","7","10","2","1") = "9"
    & skf18("7","1","3","7","10","3","1") = "9"
    & skf18("7","1","3","7","10","4","1") = "9"
    & skf18("7","1","3","7","10","5","1") = "9"
    & skf18("7","1","3","7","10","6","1") = "9"
    & skf18("7","1","3","7","10","7","1") = "9"
    & skf18("7","1","3","7","10","8","1") = "9"
    & skf18("7","1","3","7","10","9","1") = "9"
    & skf18("7","1","3","7","10","10","1") = "9"
    & skf18("7","1","3","8","1","1","1") = "7"
    & skf18("7","1","3","8","1","2","1") = "7"
    & skf18("7","1","3","8","1","3","1") = "7"
    & skf18("7","1","3","8","1","4","1") = "7"
    & skf18("7","1","3","8","1","5","1") = "7"
    & skf18("7","1","3","8","1","6","1") = "7"
    & skf18("7","1","3","8","1","7","1") = "7"
    & skf18("7","1","3","8","1","8","1") = "7"
    & skf18("7","1","3","8","1","9","1") = "8"
    & skf18("7","1","3","8","1","10","1") = "9"
    & skf18("7","1","3","8","2","1","1") = "7"
    & skf18("7","1","3","8","2","2","1") = "7"
    & skf18("7","1","3","8","2","3","1") = "7"
    & skf18("7","1","3","8","2","4","1") = "7"
    & skf18("7","1","3","8","2","5","1") = "7"
    & skf18("7","1","3","8","2","6","1") = "7"
    & skf18("7","1","3","8","2","7","1") = "7"
    & skf18("7","1","3","8","2","8","1") = "7"
    & skf18("7","1","3","8","2","9","1") = "8"
    & skf18("7","1","3","8","2","10","1") = "9"
    & skf18("7","1","3","8","3","1","1") = "7"
    & skf18("7","1","3","8","3","2","1") = "7"
    & skf18("7","1","3","8","3","3","1") = "7"
    & skf18("7","1","3","8","3","4","1") = "7"
    & skf18("7","1","3","8","3","5","1") = "7"
    & skf18("7","1","3","8","3","6","1") = "7"
    & skf18("7","1","3","8","3","7","1") = "7"
    & skf18("7","1","3","8","3","8","1") = "7"
    & skf18("7","1","3","8","3","9","1") = "8"
    & skf18("7","1","3","8","3","10","1") = "9"
    & skf18("7","1","3","8","4","1","1") = "7"
    & skf18("7","1","3","8","4","2","1") = "7"
    & skf18("7","1","3","8","4","3","1") = "7"
    & skf18("7","1","3","8","4","4","1") = "7"
    & skf18("7","1","3","8","4","5","1") = "7"
    & skf18("7","1","3","8","4","6","1") = "7"
    & skf18("7","1","3","8","4","7","1") = "7"
    & skf18("7","1","3","8","4","8","1") = "7"
    & skf18("7","1","3","8","4","9","1") = "8"
    & skf18("7","1","3","8","4","10","1") = "9"
    & skf18("7","1","3","8","5","1","1") = "7"
    & skf18("7","1","3","8","5","2","1") = "7"
    & skf18("7","1","3","8","5","3","1") = "7"
    & skf18("7","1","3","8","5","4","1") = "7"
    & skf18("7","1","3","8","5","5","1") = "7"
    & skf18("7","1","3","8","5","6","1") = "7"
    & skf18("7","1","3","8","5","7","1") = "7"
    & skf18("7","1","3","8","5","8","1") = "7"
    & skf18("7","1","3","8","5","9","1") = "8"
    & skf18("7","1","3","8","5","10","1") = "9"
    & skf18("7","1","3","8","6","1","1") = "7"
    & skf18("7","1","3","8","6","2","1") = "7"
    & skf18("7","1","3","8","6","3","1") = "7"
    & skf18("7","1","3","8","6","4","1") = "7"
    & skf18("7","1","3","8","6","5","1") = "7"
    & skf18("7","1","3","8","6","6","1") = "7"
    & skf18("7","1","3","8","6","7","1") = "7"
    & skf18("7","1","3","8","6","8","1") = "7"
    & skf18("7","1","3","8","6","9","1") = "8"
    & skf18("7","1","3","8","6","10","1") = "9"
    & skf18("7","1","3","8","7","1","1") = "7"
    & skf18("7","1","3","8","7","2","1") = "7"
    & skf18("7","1","3","8","7","3","1") = "7"
    & skf18("7","1","3","8","7","4","1") = "7"
    & skf18("7","1","3","8","7","5","1") = "7"
    & skf18("7","1","3","8","7","6","1") = "7"
    & skf18("7","1","3","8","7","7","1") = "7"
    & skf18("7","1","3","8","7","8","1") = "7"
    & skf18("7","1","3","8","7","9","1") = "8"
    & skf18("7","1","3","8","7","10","1") = "9"
    & skf18("7","1","3","8","8","1","1") = "7"
    & skf18("7","1","3","8","8","2","1") = "7"
    & skf18("7","1","3","8","8","3","1") = "7"
    & skf18("7","1","3","8","8","4","1") = "7"
    & skf18("7","1","3","8","8","5","1") = "7"
    & skf18("7","1","3","8","8","6","1") = "7"
    & skf18("7","1","3","8","8","7","1") = "7"
    & skf18("7","1","3","8","8","8","1") = "7"
    & skf18("7","1","3","8","8","9","1") = "8"
    & skf18("7","1","3","8","8","10","1") = "9"
    & skf18("7","1","3","8","9","1","1") = "8"
    & skf18("7","1","3","8","9","2","1") = "8"
    & skf18("7","1","3","8","9","3","1") = "8"
    & skf18("7","1","3","8","9","4","1") = "8"
    & skf18("7","1","3","8","9","5","1") = "8"
    & skf18("7","1","3","8","9","6","1") = "8"
    & skf18("7","1","3","8","9","7","1") = "8"
    & skf18("7","1","3","8","9","8","1") = "8"
    & skf18("7","1","3","8","9","9","1") = "8"
    & skf18("7","1","3","8","9","10","1") = "9"
    & skf18("7","1","3","8","10","1","1") = "9"
    & skf18("7","1","3","8","10","2","1") = "9"
    & skf18("7","1","3","8","10","3","1") = "9"
    & skf18("7","1","3","8","10","4","1") = "9"
    & skf18("7","1","3","8","10","5","1") = "9"
    & skf18("7","1","3","8","10","6","1") = "9"
    & skf18("7","1","3","8","10","7","1") = "9"
    & skf18("7","1","3","8","10","8","1") = "9"
    & skf18("7","1","3","8","10","9","1") = "9"
    & skf18("7","1","3","8","10","10","1") = "9"
    & skf18("7","1","3","9","1","1","1") = "8"
    & skf18("7","1","3","9","1","2","1") = "8"
    & skf18("7","1","3","9","1","3","1") = "8"
    & skf18("7","1","3","9","1","4","1") = "8"
    & skf18("7","1","3","9","1","5","1") = "8"
    & skf18("7","1","3","9","1","6","1") = "8"
    & skf18("7","1","3","9","1","7","1") = "8"
    & skf18("7","1","3","9","1","8","1") = "8"
    & skf18("7","1","3","9","1","9","1") = "8"
    & skf18("7","1","3","9","1","10","1") = "9"
    & skf18("7","1","3","9","2","1","1") = "8"
    & skf18("7","1","3","9","2","2","1") = "8"
    & skf18("7","1","3","9","2","3","1") = "8"
    & skf18("7","1","3","9","2","4","1") = "8"
    & skf18("7","1","3","9","2","5","1") = "8"
    & skf18("7","1","3","9","2","6","1") = "8"
    & skf18("7","1","3","9","2","7","1") = "8"
    & skf18("7","1","3","9","2","8","1") = "8"
    & skf18("7","1","3","9","2","9","1") = "8"
    & skf18("7","1","3","9","2","10","1") = "9"
    & skf18("7","1","3","9","3","1","1") = "8"
    & skf18("7","1","3","9","3","2","1") = "8"
    & skf18("7","1","3","9","3","3","1") = "8"
    & skf18("7","1","3","9","3","4","1") = "8"
    & skf18("7","1","3","9","3","5","1") = "8"
    & skf18("7","1","3","9","3","6","1") = "8"
    & skf18("7","1","3","9","3","7","1") = "8"
    & skf18("7","1","3","9","3","8","1") = "8"
    & skf18("7","1","3","9","3","9","1") = "8"
    & skf18("7","1","3","9","3","10","1") = "9"
    & skf18("7","1","3","9","4","1","1") = "8"
    & skf18("7","1","3","9","4","2","1") = "8"
    & skf18("7","1","3","9","4","3","1") = "8"
    & skf18("7","1","3","9","4","4","1") = "8"
    & skf18("7","1","3","9","4","5","1") = "8"
    & skf18("7","1","3","9","4","6","1") = "8"
    & skf18("7","1","3","9","4","7","1") = "8"
    & skf18("7","1","3","9","4","8","1") = "8"
    & skf18("7","1","3","9","4","9","1") = "8"
    & skf18("7","1","3","9","4","10","1") = "9"
    & skf18("7","1","3","9","5","1","1") = "8"
    & skf18("7","1","3","9","5","2","1") = "8"
    & skf18("7","1","3","9","5","3","1") = "8"
    & skf18("7","1","3","9","5","4","1") = "8"
    & skf18("7","1","3","9","5","5","1") = "8"
    & skf18("7","1","3","9","5","6","1") = "8"
    & skf18("7","1","3","9","5","7","1") = "8"
    & skf18("7","1","3","9","5","8","1") = "8"
    & skf18("7","1","3","9","5","9","1") = "8"
    & skf18("7","1","3","9","5","10","1") = "9"
    & skf18("7","1","3","9","6","1","1") = "8"
    & skf18("7","1","3","9","6","2","1") = "8"
    & skf18("7","1","3","9","6","3","1") = "8"
    & skf18("7","1","3","9","6","4","1") = "8"
    & skf18("7","1","3","9","6","5","1") = "8"
    & skf18("7","1","3","9","6","6","1") = "8"
    & skf18("7","1","3","9","6","7","1") = "8"
    & skf18("7","1","3","9","6","8","1") = "8"
    & skf18("7","1","3","9","6","9","1") = "8"
    & skf18("7","1","3","9","6","10","1") = "9"
    & skf18("7","1","3","9","7","1","1") = "8"
    & skf18("7","1","3","9","7","2","1") = "8"
    & skf18("7","1","3","9","7","3","1") = "8"
    & skf18("7","1","3","9","7","4","1") = "8"
    & skf18("7","1","3","9","7","5","1") = "8"
    & skf18("7","1","3","9","7","6","1") = "8"
    & skf18("7","1","3","9","7","7","1") = "8"
    & skf18("7","1","3","9","7","8","1") = "8"
    & skf18("7","1","3","9","7","9","1") = "8"
    & skf18("7","1","3","9","7","10","1") = "9"
    & skf18("7","1","3","9","8","1","1") = "8"
    & skf18("7","1","3","9","8","2","1") = "8"
    & skf18("7","1","3","9","8","3","1") = "8"
    & skf18("7","1","3","9","8","4","1") = "8"
    & skf18("7","1","3","9","8","5","1") = "8"
    & skf18("7","1","3","9","8","6","1") = "8"
    & skf18("7","1","3","9","8","7","1") = "8"
    & skf18("7","1","3","9","8","8","1") = "8"
    & skf18("7","1","3","9","8","9","1") = "8"
    & skf18("7","1","3","9","8","10","1") = "9"
    & skf18("7","1","3","9","9","1","1") = "8"
    & skf18("7","1","3","9","9","2","1") = "8"
    & skf18("7","1","3","9","9","3","1") = "8"
    & skf18("7","1","3","9","9","4","1") = "8"
    & skf18("7","1","3","9","9","5","1") = "8"
    & skf18("7","1","3","9","9","6","1") = "8"
    & skf18("7","1","3","9","9","7","1") = "8"
    & skf18("7","1","3","9","9","8","1") = "8"
    & skf18("7","1","3","9","9","9","1") = "8"
    & skf18("7","1","3","9","9","10","1") = "9"
    & skf18("7","1","3","9","10","1","1") = "9"
    & skf18("7","1","3","9","10","2","1") = "9"
    & skf18("7","1","3","9","10","3","1") = "9"
    & skf18("7","1","3","9","10","4","1") = "9"
    & skf18("7","1","3","9","10","5","1") = "9"
    & skf18("7","1","3","9","10","6","1") = "9"
    & skf18("7","1","3","9","10","7","1") = "9"
    & skf18("7","1","3","9","10","8","1") = "9"
    & skf18("7","1","3","9","10","9","1") = "9"
    & skf18("7","1","3","9","10","10","1") = "9"
    & skf18("7","1","3","10","1","1","1") = "9"
    & skf18("7","1","3","10","1","2","1") = "9"
    & skf18("7","1","3","10","1","3","1") = "9"
    & skf18("7","1","3","10","1","4","1") = "9"
    & skf18("7","1","3","10","1","5","1") = "9"
    & skf18("7","1","3","10","1","6","1") = "9"
    & skf18("7","1","3","10","1","7","1") = "9"
    & skf18("7","1","3","10","1","8","1") = "9"
    & skf18("7","1","3","10","1","9","1") = "9"
    & skf18("7","1","3","10","1","10","1") = "9"
    & skf18("7","1","3","10","2","1","1") = "9"
    & skf18("7","1","3","10","2","2","1") = "9"
    & skf18("7","1","3","10","2","3","1") = "9"
    & skf18("7","1","3","10","2","4","1") = "9"
    & skf18("7","1","3","10","2","5","1") = "9"
    & skf18("7","1","3","10","2","6","1") = "9"
    & skf18("7","1","3","10","2","7","1") = "9"
    & skf18("7","1","3","10","2","8","1") = "9"
    & skf18("7","1","3","10","2","9","1") = "9"
    & skf18("7","1","3","10","2","10","1") = "9"
    & skf18("7","1","3","10","3","1","1") = "9"
    & skf18("7","1","3","10","3","2","1") = "9"
    & skf18("7","1","3","10","3","3","1") = "9"
    & skf18("7","1","3","10","3","4","1") = "9"
    & skf18("7","1","3","10","3","5","1") = "9"
    & skf18("7","1","3","10","3","6","1") = "9"
    & skf18("7","1","3","10","3","7","1") = "9"
    & skf18("7","1","3","10","3","8","1") = "9"
    & skf18("7","1","3","10","3","9","1") = "9"
    & skf18("7","1","3","10","3","10","1") = "9"
    & skf18("7","1","3","10","4","1","1") = "9"
    & skf18("7","1","3","10","4","2","1") = "9"
    & skf18("7","1","3","10","4","3","1") = "9"
    & skf18("7","1","3","10","4","4","1") = "9"
    & skf18("7","1","3","10","4","5","1") = "9"
    & skf18("7","1","3","10","4","6","1") = "9"
    & skf18("7","1","3","10","4","7","1") = "9"
    & skf18("7","1","3","10","4","8","1") = "9"
    & skf18("7","1","3","10","4","9","1") = "9"
    & skf18("7","1","3","10","4","10","1") = "9"
    & skf18("7","1","3","10","5","1","1") = "9"
    & skf18("7","1","3","10","5","2","1") = "9"
    & skf18("7","1","3","10","5","3","1") = "9"
    & skf18("7","1","3","10","5","4","1") = "9"
    & skf18("7","1","3","10","5","5","1") = "9"
    & skf18("7","1","3","10","5","6","1") = "9"
    & skf18("7","1","3","10","5","7","1") = "9"
    & skf18("7","1","3","10","5","8","1") = "9"
    & skf18("7","1","3","10","5","9","1") = "9"
    & skf18("7","1","3","10","5","10","1") = "9"
    & skf18("7","1","3","10","6","1","1") = "9"
    & skf18("7","1","3","10","6","2","1") = "9"
    & skf18("7","1","3","10","6","3","1") = "9"
    & skf18("7","1","3","10","6","4","1") = "9"
    & skf18("7","1","3","10","6","5","1") = "9"
    & skf18("7","1","3","10","6","6","1") = "9"
    & skf18("7","1","3","10","6","7","1") = "9"
    & skf18("7","1","3","10","6","8","1") = "9"
    & skf18("7","1","3","10","6","9","1") = "9"
    & skf18("7","1","3","10","6","10","1") = "9"
    & skf18("7","1","3","10","7","1","1") = "9"
    & skf18("7","1","3","10","7","2","1") = "9"
    & skf18("7","1","3","10","7","3","1") = "9"
    & skf18("7","1","3","10","7","4","1") = "9"
    & skf18("7","1","3","10","7","5","1") = "9"
    & skf18("7","1","3","10","7","6","1") = "9"
    & skf18("7","1","3","10","7","7","1") = "9"
    & skf18("7","1","3","10","7","8","1") = "9"
    & skf18("7","1","3","10","7","9","1") = "9"
    & skf18("7","1","3","10","7","10","1") = "9"
    & skf18("7","1","3","10","8","1","1") = "9"
    & skf18("7","1","3","10","8","2","1") = "9"
    & skf18("7","1","3","10","8","3","1") = "9"
    & skf18("7","1","3","10","8","4","1") = "9"
    & skf18("7","1","3","10","8","5","1") = "9"
    & skf18("7","1","3","10","8","6","1") = "9"
    & skf18("7","1","3","10","8","7","1") = "9"
    & skf18("7","1","3","10","8","8","1") = "9"
    & skf18("7","1","3","10","8","9","1") = "9"
    & skf18("7","1","3","10","8","10","1") = "9"
    & skf18("7","1","3","10","9","1","1") = "9"
    & skf18("7","1","3","10","9","2","1") = "9"
    & skf18("7","1","3","10","9","3","1") = "9"
    & skf18("7","1","3","10","9","4","1") = "9"
    & skf18("7","1","3","10","9","5","1") = "9"
    & skf18("7","1","3","10","9","6","1") = "9"
    & skf18("7","1","3","10","9","7","1") = "9"
    & skf18("7","1","3","10","9","8","1") = "9"
    & skf18("7","1","3","10","9","9","1") = "9"
    & skf18("7","1","3","10","9","10","1") = "9"
    & skf18("7","1","3","10","10","1","1") = "9"
    & skf18("7","1","3","10","10","2","1") = "9"
    & skf18("7","1","3","10","10","3","1") = "9"
    & skf18("7","1","3","10","10","4","1") = "9"
    & skf18("7","1","3","10","10","5","1") = "9"
    & skf18("7","1","3","10","10","6","1") = "9"
    & skf18("7","1","3","10","10","7","1") = "9"
    & skf18("7","1","3","10","10","8","1") = "9"
    & skf18("7","1","3","10","10","9","1") = "9"
    & skf18("7","1","3","10","10","10","1") = "9"
    & skf18("7","1","4","1","1","1","1") = "6"
    & skf18("7","1","4","1","1","2","1") = "6"
    & skf18("7","1","4","1","1","3","1") = "6"
    & skf18("7","1","4","1","1","4","1") = "6"
    & skf18("7","1","4","1","1","5","1") = "6"
    & skf18("7","1","4","1","1","6","1") = "6"
    & skf18("7","1","4","1","1","7","1") = "6"
    & skf18("7","1","4","1","1","8","1") = "7"
    & skf18("7","1","4","1","1","9","1") = "8"
    & skf18("7","1","4","1","1","10","1") = "9"
    & skf18("7","1","4","1","2","1","1") = "6"
    & skf18("7","1","4","1","2","2","1") = "6"
    & skf18("7","1","4","1","2","3","1") = "6"
    & skf18("7","1","4","1","2","4","1") = "6"
    & skf18("7","1","4","1","2","5","1") = "6"
    & skf18("7","1","4","1","2","6","1") = "6"
    & skf18("7","1","4","1","2","7","1") = "6"
    & skf18("7","1","4","1","2","8","1") = "7"
    & skf18("7","1","4","1","2","9","1") = "8"
    & skf18("7","1","4","1","2","10","1") = "9"
    & skf18("7","1","4","1","3","1","1") = "6"
    & skf18("7","1","4","1","3","2","1") = "6"
    & skf18("7","1","4","1","3","3","1") = "6"
    & skf18("7","1","4","1","3","4","1") = "6"
    & skf18("7","1","4","1","3","5","1") = "6"
    & skf18("7","1","4","1","3","6","1") = "6"
    & skf18("7","1","4","1","3","7","1") = "6"
    & skf18("7","1","4","1","3","8","1") = "7"
    & skf18("7","1","4","1","3","9","1") = "8"
    & skf18("7","1","4","1","3","10","1") = "9"
    & skf18("7","1","4","1","4","1","1") = "6"
    & skf18("7","1","4","1","4","2","1") = "6"
    & skf18("7","1","4","1","4","3","1") = "6"
    & skf18("7","1","4","1","4","4","1") = "6"
    & skf18("7","1","4","1","4","5","1") = "6"
    & skf18("7","1","4","1","4","6","1") = "6"
    & skf18("7","1","4","1","4","7","1") = "6"
    & skf18("7","1","4","1","4","8","1") = "7"
    & skf18("7","1","4","1","4","9","1") = "8"
    & skf18("7","1","4","1","4","10","1") = "9"
    & skf18("7","1","4","1","5","1","1") = "6"
    & skf18("7","1","4","1","5","2","1") = "6"
    & skf18("7","1","4","1","5","3","1") = "6"
    & skf18("7","1","4","1","5","4","1") = "6"
    & skf18("7","1","4","1","5","5","1") = "6"
    & skf18("7","1","4","1","5","6","1") = "6"
    & skf18("7","1","4","1","5","7","1") = "6"
    & skf18("7","1","4","1","5","8","1") = "7"
    & skf18("7","1","4","1","5","9","1") = "8"
    & skf18("7","1","4","1","5","10","1") = "9"
    & skf18("7","1","4","1","6","1","1") = "6"
    & skf18("7","1","4","1","6","2","1") = "6"
    & skf18("7","1","4","1","6","3","1") = "6"
    & skf18("7","1","4","1","6","4","1") = "6"
    & skf18("7","1","4","1","6","5","1") = "6"
    & skf18("7","1","4","1","6","6","1") = "6"
    & skf18("7","1","4","1","6","7","1") = "6"
    & skf18("7","1","4","1","6","8","1") = "7"
    & skf18("7","1","4","1","6","9","1") = "8"
    & skf18("7","1","4","1","6","10","1") = "9"
    & skf18("7","1","4","1","7","1","1") = "6"
    & skf18("7","1","4","1","7","2","1") = "6"
    & skf18("7","1","4","1","7","3","1") = "6"
    & skf18("7","1","4","1","7","4","1") = "6"
    & skf18("7","1","4","1","7","5","1") = "6"
    & skf18("7","1","4","1","7","6","1") = "6"
    & skf18("7","1","4","1","7","7","1") = "6"
    & skf18("7","1","4","1","7","8","1") = "7"
    & skf18("7","1","4","1","7","9","1") = "8"
    & skf18("7","1","4","1","7","10","1") = "9"
    & skf18("7","1","4","1","8","1","1") = "7"
    & skf18("7","1","4","1","8","2","1") = "7"
    & skf18("7","1","4","1","8","3","1") = "7"
    & skf18("7","1","4","1","8","4","1") = "7"
    & skf18("7","1","4","1","8","5","1") = "7"
    & skf18("7","1","4","1","8","6","1") = "7"
    & skf18("7","1","4","1","8","7","1") = "7"
    & skf18("7","1","4","1","8","8","1") = "7"
    & skf18("7","1","4","1","8","9","1") = "8"
    & skf18("7","1","4","1","8","10","1") = "9"
    & skf18("7","1","4","1","9","1","1") = "8"
    & skf18("7","1","4","1","9","2","1") = "8"
    & skf18("7","1","4","1","9","3","1") = "8"
    & skf18("7","1","4","1","9","4","1") = "8"
    & skf18("7","1","4","1","9","5","1") = "8"
    & skf18("7","1","4","1","9","6","1") = "8"
    & skf18("7","1","4","1","9","7","1") = "8"
    & skf18("7","1","4","1","9","8","1") = "8"
    & skf18("7","1","4","1","9","9","1") = "8"
    & skf18("7","1","4","1","9","10","1") = "9"
    & skf18("7","1","4","1","10","1","1") = "9"
    & skf18("7","1","4","1","10","2","1") = "9"
    & skf18("7","1","4","1","10","3","1") = "9"
    & skf18("7","1","4","1","10","4","1") = "9"
    & skf18("7","1","4","1","10","5","1") = "9"
    & skf18("7","1","4","1","10","6","1") = "9"
    & skf18("7","1","4","1","10","7","1") = "9"
    & skf18("7","1","4","1","10","8","1") = "9"
    & skf18("7","1","4","1","10","9","1") = "9"
    & skf18("7","1","4","1","10","10","1") = "9"
    & skf18("7","1","4","2","1","1","1") = "6"
    & skf18("7","1","4","2","1","2","1") = "6"
    & skf18("7","1","4","2","1","3","1") = "6"
    & skf18("7","1","4","2","1","4","1") = "6"
    & skf18("7","1","4","2","1","5","1") = "6"
    & skf18("7","1","4","2","1","6","1") = "6"
    & skf18("7","1","4","2","1","7","1") = "6"
    & skf18("7","1","4","2","1","8","1") = "7"
    & skf18("7","1","4","2","1","9","1") = "8"
    & skf18("7","1","4","2","1","10","1") = "9"
    & skf18("7","1","4","2","2","1","1") = "6"
    & skf18("7","1","4","2","2","2","1") = "6"
    & skf18("7","1","4","2","2","3","1") = "6"
    & skf18("7","1","4","2","2","4","1") = "6"
    & skf18("7","1","4","2","2","5","1") = "6"
    & skf18("7","1","4","2","2","6","1") = "6"
    & skf18("7","1","4","2","2","7","1") = "6"
    & skf18("7","1","4","2","2","8","1") = "7"
    & skf18("7","1","4","2","2","9","1") = "8"
    & skf18("7","1","4","2","2","10","1") = "9"
    & skf18("7","1","4","2","3","1","1") = "6"
    & skf18("7","1","4","2","3","2","1") = "6"
    & skf18("7","1","4","2","3","3","1") = "6"
    & skf18("7","1","4","2","3","4","1") = "6"
    & skf18("7","1","4","2","3","5","1") = "6"
    & skf18("7","1","4","2","3","6","1") = "6"
    & skf18("7","1","4","2","3","7","1") = "6"
    & skf18("7","1","4","2","3","8","1") = "7"
    & skf18("7","1","4","2","3","9","1") = "8"
    & skf18("7","1","4","2","3","10","1") = "9"
    & skf18("7","1","4","2","4","1","1") = "6"
    & skf18("7","1","4","2","4","2","1") = "6"
    & skf18("7","1","4","2","4","3","1") = "6"
    & skf18("7","1","4","2","4","4","1") = "6"
    & skf18("7","1","4","2","4","5","1") = "6"
    & skf18("7","1","4","2","4","6","1") = "6"
    & skf18("7","1","4","2","4","7","1") = "6"
    & skf18("7","1","4","2","4","8","1") = "7"
    & skf18("7","1","4","2","4","9","1") = "8"
    & skf18("7","1","4","2","4","10","1") = "9"
    & skf18("7","1","4","2","5","1","1") = "6"
    & skf18("7","1","4","2","5","2","1") = "6"
    & skf18("7","1","4","2","5","3","1") = "6"
    & skf18("7","1","4","2","5","4","1") = "6"
    & skf18("7","1","4","2","5","5","1") = "6"
    & skf18("7","1","4","2","5","6","1") = "6"
    & skf18("7","1","4","2","5","7","1") = "6"
    & skf18("7","1","4","2","5","8","1") = "7"
    & skf18("7","1","4","2","5","9","1") = "8"
    & skf18("7","1","4","2","5","10","1") = "9"
    & skf18("7","1","4","2","6","1","1") = "6"
    & skf18("7","1","4","2","6","2","1") = "6"
    & skf18("7","1","4","2","6","3","1") = "6"
    & skf18("7","1","4","2","6","4","1") = "6"
    & skf18("7","1","4","2","6","5","1") = "6"
    & skf18("7","1","4","2","6","6","1") = "6"
    & skf18("7","1","4","2","6","7","1") = "6"
    & skf18("7","1","4","2","6","8","1") = "7"
    & skf18("7","1","4","2","6","9","1") = "8"
    & skf18("7","1","4","2","6","10","1") = "9"
    & skf18("7","1","4","2","7","1","1") = "6"
    & skf18("7","1","4","2","7","2","1") = "6"
    & skf18("7","1","4","2","7","3","1") = "6"
    & skf18("7","1","4","2","7","4","1") = "6"
    & skf18("7","1","4","2","7","5","1") = "6"
    & skf18("7","1","4","2","7","6","1") = "6"
    & skf18("7","1","4","2","7","7","1") = "6"
    & skf18("7","1","4","2","7","8","1") = "7"
    & skf18("7","1","4","2","7","9","1") = "8"
    & skf18("7","1","4","2","7","10","1") = "9"
    & skf18("7","1","4","2","8","1","1") = "7"
    & skf18("7","1","4","2","8","2","1") = "7"
    & skf18("7","1","4","2","8","3","1") = "7"
    & skf18("7","1","4","2","8","4","1") = "7"
    & skf18("7","1","4","2","8","5","1") = "7"
    & skf18("7","1","4","2","8","6","1") = "7"
    & skf18("7","1","4","2","8","7","1") = "7"
    & skf18("7","1","4","2","8","8","1") = "7"
    & skf18("7","1","4","2","8","9","1") = "8"
    & skf18("7","1","4","2","8","10","1") = "9"
    & skf18("7","1","4","2","9","1","1") = "8"
    & skf18("7","1","4","2","9","2","1") = "8"
    & skf18("7","1","4","2","9","3","1") = "8"
    & skf18("7","1","4","2","9","4","1") = "8"
    & skf18("7","1","4","2","9","5","1") = "8"
    & skf18("7","1","4","2","9","6","1") = "8"
    & skf18("7","1","4","2","9","7","1") = "8"
    & skf18("7","1","4","2","9","8","1") = "8"
    & skf18("7","1","4","2","9","9","1") = "8"
    & skf18("7","1","4","2","9","10","1") = "9"
    & skf18("7","1","4","2","10","1","1") = "9"
    & skf18("7","1","4","2","10","2","1") = "9"
    & skf18("7","1","4","2","10","3","1") = "9"
    & skf18("7","1","4","2","10","4","1") = "9"
    & skf18("7","1","4","2","10","5","1") = "9"
    & skf18("7","1","4","2","10","6","1") = "9"
    & skf18("7","1","4","2","10","7","1") = "9"
    & skf18("7","1","4","2","10","8","1") = "9"
    & skf18("7","1","4","2","10","9","1") = "9"
    & skf18("7","1","4","2","10","10","1") = "9"
    & skf18("7","1","4","3","1","1","1") = "6"
    & skf18("7","1","4","3","1","2","1") = "6"
    & skf18("7","1","4","3","1","3","1") = "6"
    & skf18("7","1","4","3","1","4","1") = "6"
    & skf18("7","1","4","3","1","5","1") = "6"
    & skf18("7","1","4","3","1","6","1") = "6"
    & skf18("7","1","4","3","1","7","1") = "6"
    & skf18("7","1","4","3","1","8","1") = "7"
    & skf18("7","1","4","3","1","9","1") = "8"
    & skf18("7","1","4","3","1","10","1") = "9"
    & skf18("7","1","4","3","2","1","1") = "6"
    & skf18("7","1","4","3","2","2","1") = "6"
    & skf18("7","1","4","3","2","3","1") = "6"
    & skf18("7","1","4","3","2","4","1") = "6"
    & skf18("7","1","4","3","2","5","1") = "6"
    & skf18("7","1","4","3","2","6","1") = "6"
    & skf18("7","1","4","3","2","7","1") = "6"
    & skf18("7","1","4","3","2","8","1") = "7"
    & skf18("7","1","4","3","2","9","1") = "8"
    & skf18("7","1","4","3","2","10","1") = "9"
    & skf18("7","1","4","3","3","1","1") = "6"
    & skf18("7","1","4","3","3","2","1") = "6"
    & skf18("7","1","4","3","3","3","1") = "6"
    & skf18("7","1","4","3","3","4","1") = "6"
    & skf18("7","1","4","3","3","5","1") = "6"
    & skf18("7","1","4","3","3","6","1") = "6"
    & skf18("7","1","4","3","3","7","1") = "6"
    & skf18("7","1","4","3","3","8","1") = "7"
    & skf18("7","1","4","3","3","9","1") = "8"
    & skf18("7","1","4","3","3","10","1") = "9"
    & skf18("7","1","4","3","4","1","1") = "6"
    & skf18("7","1","4","3","4","2","1") = "6"
    & skf18("7","1","4","3","4","3","1") = "6"
    & skf18("7","1","4","3","4","4","1") = "6"
    & skf18("7","1","4","3","4","5","1") = "6"
    & skf18("7","1","4","3","4","6","1") = "6"
    & skf18("7","1","4","3","4","7","1") = "6"
    & skf18("7","1","4","3","4","8","1") = "7"
    & skf18("7","1","4","3","4","9","1") = "8"
    & skf18("7","1","4","3","4","10","1") = "9"
    & skf18("7","1","4","3","5","1","1") = "6"
    & skf18("7","1","4","3","5","2","1") = "6"
    & skf18("7","1","4","3","5","3","1") = "6"
    & skf18("7","1","4","3","5","4","1") = "6"
    & skf18("7","1","4","3","5","5","1") = "6"
    & skf18("7","1","4","3","5","6","1") = "6"
    & skf18("7","1","4","3","5","7","1") = "6"
    & skf18("7","1","4","3","5","8","1") = "7"
    & skf18("7","1","4","3","5","9","1") = "8"
    & skf18("7","1","4","3","5","10","1") = "9"
    & skf18("7","1","4","3","6","1","1") = "6"
    & skf18("7","1","4","3","6","2","1") = "6"
    & skf18("7","1","4","3","6","3","1") = "6"
    & skf18("7","1","4","3","6","4","1") = "6"
    & skf18("7","1","4","3","6","5","1") = "6"
    & skf18("7","1","4","3","6","6","1") = "6"
    & skf18("7","1","4","3","6","7","1") = "6"
    & skf18("7","1","4","3","6","8","1") = "7"
    & skf18("7","1","4","3","6","9","1") = "8"
    & skf18("7","1","4","3","6","10","1") = "9"
    & skf18("7","1","4","3","7","1","1") = "6"
    & skf18("7","1","4","3","7","2","1") = "6"
    & skf18("7","1","4","3","7","3","1") = "6"
    & skf18("7","1","4","3","7","4","1") = "6"
    & skf18("7","1","4","3","7","5","1") = "6"
    & skf18("7","1","4","3","7","6","1") = "6"
    & skf18("7","1","4","3","7","7","1") = "6"
    & skf18("7","1","4","3","7","8","1") = "7"
    & skf18("7","1","4","3","7","9","1") = "8"
    & skf18("7","1","4","3","7","10","1") = "9"
    & skf18("7","1","4","3","8","1","1") = "7"
    & skf18("7","1","4","3","8","2","1") = "7"
    & skf18("7","1","4","3","8","3","1") = "7"
    & skf18("7","1","4","3","8","4","1") = "7"
    & skf18("7","1","4","3","8","5","1") = "7"
    & skf18("7","1","4","3","8","6","1") = "7"
    & skf18("7","1","4","3","8","7","1") = "7"
    & skf18("7","1","4","3","8","8","1") = "7"
    & skf18("7","1","4","3","8","9","1") = "8"
    & skf18("7","1","4","3","8","10","1") = "9"
    & skf18("7","1","4","3","9","1","1") = "8"
    & skf18("7","1","4","3","9","2","1") = "8"
    & skf18("7","1","4","3","9","3","1") = "8"
    & skf18("7","1","4","3","9","4","1") = "8"
    & skf18("7","1","4","3","9","5","1") = "8"
    & skf18("7","1","4","3","9","6","1") = "8"
    & skf18("7","1","4","3","9","7","1") = "8"
    & skf18("7","1","4","3","9","8","1") = "8"
    & skf18("7","1","4","3","9","9","1") = "8"
    & skf18("7","1","4","3","9","10","1") = "9"
    & skf18("7","1","4","3","10","1","1") = "9"
    & skf18("7","1","4","3","10","2","1") = "9"
    & skf18("7","1","4","3","10","3","1") = "9"
    & skf18("7","1","4","3","10","4","1") = "9"
    & skf18("7","1","4","3","10","5","1") = "9"
    & skf18("7","1","4","3","10","6","1") = "9"
    & skf18("7","1","4","3","10","7","1") = "9"
    & skf18("7","1","4","3","10","8","1") = "9"
    & skf18("7","1","4","3","10","9","1") = "9"
    & skf18("7","1","4","3","10","10","1") = "9"
    & skf18("7","1","4","4","1","1","1") = "6"
    & skf18("7","1","4","4","1","2","1") = "6"
    & skf18("7","1","4","4","1","3","1") = "6"
    & skf18("7","1","4","4","1","4","1") = "6"
    & skf18("7","1","4","4","1","5","1") = "6"
    & skf18("7","1","4","4","1","6","1") = "6"
    & skf18("7","1","4","4","1","7","1") = "6"
    & skf18("7","1","4","4","1","8","1") = "7"
    & skf18("7","1","4","4","1","9","1") = "8"
    & skf18("7","1","4","4","1","10","1") = "9"
    & skf18("7","1","4","4","2","1","1") = "6"
    & skf18("7","1","4","4","2","2","1") = "6"
    & skf18("7","1","4","4","2","3","1") = "6"
    & skf18("7","1","4","4","2","4","1") = "6"
    & skf18("7","1","4","4","2","5","1") = "6"
    & skf18("7","1","4","4","2","6","1") = "6"
    & skf18("7","1","4","4","2","7","1") = "6"
    & skf18("7","1","4","4","2","8","1") = "7"
    & skf18("7","1","4","4","2","9","1") = "8"
    & skf18("7","1","4","4","2","10","1") = "9"
    & skf18("7","1","4","4","3","1","1") = "6"
    & skf18("7","1","4","4","3","2","1") = "6"
    & skf18("7","1","4","4","3","3","1") = "6"
    & skf18("7","1","4","4","3","4","1") = "6"
    & skf18("7","1","4","4","3","5","1") = "6"
    & skf18("7","1","4","4","3","6","1") = "6"
    & skf18("7","1","4","4","3","7","1") = "6"
    & skf18("7","1","4","4","3","8","1") = "7"
    & skf18("7","1","4","4","3","9","1") = "8"
    & skf18("7","1","4","4","3","10","1") = "9"
    & skf18("7","1","4","4","4","1","1") = "6"
    & skf18("7","1","4","4","4","2","1") = "6"
    & skf18("7","1","4","4","4","3","1") = "6"
    & skf18("7","1","4","4","4","4","1") = "6"
    & skf18("7","1","4","4","4","5","1") = "6"
    & skf18("7","1","4","4","4","6","1") = "6"
    & skf18("7","1","4","4","4","7","1") = "6"
    & skf18("7","1","4","4","4","8","1") = "7"
    & skf18("7","1","4","4","4","9","1") = "8"
    & skf18("7","1","4","4","4","10","1") = "9"
    & skf18("7","1","4","4","5","1","1") = "6"
    & skf18("7","1","4","4","5","2","1") = "6"
    & skf18("7","1","4","4","5","3","1") = "6"
    & skf18("7","1","4","4","5","4","1") = "6"
    & skf18("7","1","4","4","5","5","1") = "6"
    & skf18("7","1","4","4","5","6","1") = "6"
    & skf18("7","1","4","4","5","7","1") = "6"
    & skf18("7","1","4","4","5","8","1") = "7"
    & skf18("7","1","4","4","5","9","1") = "8"
    & skf18("7","1","4","4","5","10","1") = "9"
    & skf18("7","1","4","4","6","1","1") = "6"
    & skf18("7","1","4","4","6","2","1") = "6"
    & skf18("7","1","4","4","6","3","1") = "6"
    & skf18("7","1","4","4","6","4","1") = "6"
    & skf18("7","1","4","4","6","5","1") = "6"
    & skf18("7","1","4","4","6","6","1") = "6"
    & skf18("7","1","4","4","6","7","1") = "6"
    & skf18("7","1","4","4","6","8","1") = "7"
    & skf18("7","1","4","4","6","9","1") = "8"
    & skf18("7","1","4","4","6","10","1") = "9"
    & skf18("7","1","4","4","7","1","1") = "6"
    & skf18("7","1","4","4","7","2","1") = "6"
    & skf18("7","1","4","4","7","3","1") = "6"
    & skf18("7","1","4","4","7","4","1") = "6"
    & skf18("7","1","4","4","7","5","1") = "6"
    & skf18("7","1","4","4","7","6","1") = "6"
    & skf18("7","1","4","4","7","7","1") = "6"
    & skf18("7","1","4","4","7","8","1") = "7"
    & skf18("7","1","4","4","7","9","1") = "8"
    & skf18("7","1","4","4","7","10","1") = "9"
    & skf18("7","1","4","4","8","1","1") = "7"
    & skf18("7","1","4","4","8","2","1") = "7"
    & skf18("7","1","4","4","8","3","1") = "7"
    & skf18("7","1","4","4","8","4","1") = "7"
    & skf18("7","1","4","4","8","5","1") = "7"
    & skf18("7","1","4","4","8","6","1") = "7"
    & skf18("7","1","4","4","8","7","1") = "7"
    & skf18("7","1","4","4","8","8","1") = "7"
    & skf18("7","1","4","4","8","9","1") = "8"
    & skf18("7","1","4","4","8","10","1") = "9"
    & skf18("7","1","4","4","9","1","1") = "8"
    & skf18("7","1","4","4","9","2","1") = "8"
    & skf18("7","1","4","4","9","3","1") = "8"
    & skf18("7","1","4","4","9","4","1") = "8"
    & skf18("7","1","4","4","9","5","1") = "8"
    & skf18("7","1","4","4","9","6","1") = "8"
    & skf18("7","1","4","4","9","7","1") = "8"
    & skf18("7","1","4","4","9","8","1") = "8"
    & skf18("7","1","4","4","9","9","1") = "8"
    & skf18("7","1","4","4","9","10","1") = "9"
    & skf18("7","1","4","4","10","1","1") = "9"
    & skf18("7","1","4","4","10","2","1") = "9"
    & skf18("7","1","4","4","10","3","1") = "9"
    & skf18("7","1","4","4","10","4","1") = "9"
    & skf18("7","1","4","4","10","5","1") = "9"
    & skf18("7","1","4","4","10","6","1") = "9"
    & skf18("7","1","4","4","10","7","1") = "9"
    & skf18("7","1","4","4","10","8","1") = "9"
    & skf18("7","1","4","4","10","9","1") = "9"
    & skf18("7","1","4","4","10","10","1") = "9"
    & skf18("7","1","4","5","1","1","1") = "6"
    & skf18("7","1","4","5","1","2","1") = "6"
    & skf18("7","1","4","5","1","3","1") = "6"
    & skf18("7","1","4","5","1","4","1") = "6"
    & skf18("7","1","4","5","1","5","1") = "6"
    & skf18("7","1","4","5","1","6","1") = "6"
    & skf18("7","1","4","5","1","7","1") = "6"
    & skf18("7","1","4","5","1","8","1") = "7"
    & skf18("7","1","4","5","1","9","1") = "8"
    & skf18("7","1","4","5","1","10","1") = "9"
    & skf18("7","1","4","5","2","1","1") = "6"
    & skf18("7","1","4","5","2","2","1") = "6"
    & skf18("7","1","4","5","2","3","1") = "6"
    & skf18("7","1","4","5","2","4","1") = "6"
    & skf18("7","1","4","5","2","5","1") = "6"
    & skf18("7","1","4","5","2","6","1") = "6"
    & skf18("7","1","4","5","2","7","1") = "6"
    & skf18("7","1","4","5","2","8","1") = "7"
    & skf18("7","1","4","5","2","9","1") = "8"
    & skf18("7","1","4","5","2","10","1") = "9"
    & skf18("7","1","4","5","3","1","1") = "6"
    & skf18("7","1","4","5","3","2","1") = "6"
    & skf18("7","1","4","5","3","3","1") = "6"
    & skf18("7","1","4","5","3","4","1") = "6"
    & skf18("7","1","4","5","3","5","1") = "6"
    & skf18("7","1","4","5","3","6","1") = "6"
    & skf18("7","1","4","5","3","7","1") = "6"
    & skf18("7","1","4","5","3","8","1") = "7"
    & skf18("7","1","4","5","3","9","1") = "8"
    & skf18("7","1","4","5","3","10","1") = "9"
    & skf18("7","1","4","5","4","1","1") = "6"
    & skf18("7","1","4","5","4","2","1") = "6"
    & skf18("7","1","4","5","4","3","1") = "6"
    & skf18("7","1","4","5","4","4","1") = "6"
    & skf18("7","1","4","5","4","5","1") = "6"
    & skf18("7","1","4","5","4","6","1") = "6"
    & skf18("7","1","4","5","4","7","1") = "6"
    & skf18("7","1","4","5","4","8","1") = "7"
    & skf18("7","1","4","5","4","9","1") = "8"
    & skf18("7","1","4","5","4","10","1") = "9"
    & skf18("7","1","4","5","5","1","1") = "6"
    & skf18("7","1","4","5","5","2","1") = "6"
    & skf18("7","1","4","5","5","3","1") = "6"
    & skf18("7","1","4","5","5","4","1") = "6"
    & skf18("7","1","4","5","5","5","1") = "6"
    & skf18("7","1","4","5","5","6","1") = "6"
    & skf18("7","1","4","5","5","7","1") = "6"
    & skf18("7","1","4","5","5","8","1") = "7"
    & skf18("7","1","4","5","5","9","1") = "8"
    & skf18("7","1","4","5","5","10","1") = "9"
    & skf18("7","1","4","5","6","1","1") = "6"
    & skf18("7","1","4","5","6","2","1") = "6"
    & skf18("7","1","4","5","6","3","1") = "6"
    & skf18("7","1","4","5","6","4","1") = "6"
    & skf18("7","1","4","5","6","5","1") = "6"
    & skf18("7","1","4","5","6","6","1") = "6"
    & skf18("7","1","4","5","6","7","1") = "6"
    & skf18("7","1","4","5","6","8","1") = "7"
    & skf18("7","1","4","5","6","9","1") = "8"
    & skf18("7","1","4","5","6","10","1") = "9"
    & skf18("7","1","4","5","7","1","1") = "6"
    & skf18("7","1","4","5","7","2","1") = "6"
    & skf18("7","1","4","5","7","3","1") = "6"
    & skf18("7","1","4","5","7","4","1") = "6"
    & skf18("7","1","4","5","7","5","1") = "6"
    & skf18("7","1","4","5","7","6","1") = "6"
    & skf18("7","1","4","5","7","7","1") = "6"
    & skf18("7","1","4","5","7","8","1") = "7"
    & skf18("7","1","4","5","7","9","1") = "8"
    & skf18("7","1","4","5","7","10","1") = "9"
    & skf18("7","1","4","5","8","1","1") = "7"
    & skf18("7","1","4","5","8","2","1") = "7"
    & skf18("7","1","4","5","8","3","1") = "7"
    & skf18("7","1","4","5","8","4","1") = "7"
    & skf18("7","1","4","5","8","5","1") = "7"
    & skf18("7","1","4","5","8","6","1") = "7"
    & skf18("7","1","4","5","8","7","1") = "7"
    & skf18("7","1","4","5","8","8","1") = "7"
    & skf18("7","1","4","5","8","9","1") = "8"
    & skf18("7","1","4","5","8","10","1") = "9"
    & skf18("7","1","4","5","9","1","1") = "8"
    & skf18("7","1","4","5","9","2","1") = "8"
    & skf18("7","1","4","5","9","3","1") = "8"
    & skf18("7","1","4","5","9","4","1") = "8"
    & skf18("7","1","4","5","9","5","1") = "8"
    & skf18("7","1","4","5","9","6","1") = "8"
    & skf18("7","1","4","5","9","7","1") = "8"
    & skf18("7","1","4","5","9","8","1") = "8"
    & skf18("7","1","4","5","9","9","1") = "8"
    & skf18("7","1","4","5","9","10","1") = "9"
    & skf18("7","1","4","5","10","1","1") = "9"
    & skf18("7","1","4","5","10","2","1") = "9"
    & skf18("7","1","4","5","10","3","1") = "9"
    & skf18("7","1","4","5","10","4","1") = "9"
    & skf18("7","1","4","5","10","5","1") = "9"
    & skf18("7","1","4","5","10","6","1") = "9"
    & skf18("7","1","4","5","10","7","1") = "9"
    & skf18("7","1","4","5","10","8","1") = "9"
    & skf18("7","1","4","5","10","9","1") = "9"
    & skf18("7","1","4","5","10","10","1") = "9"
    & skf18("7","1","4","6","1","1","1") = "6"
    & skf18("7","1","4","6","1","2","1") = "6"
    & skf18("7","1","4","6","1","3","1") = "6"
    & skf18("7","1","4","6","1","4","1") = "6"
    & skf18("7","1","4","6","1","5","1") = "6"
    & skf18("7","1","4","6","1","6","1") = "6"
    & skf18("7","1","4","6","1","7","1") = "6"
    & skf18("7","1","4","6","1","8","1") = "7"
    & skf18("7","1","4","6","1","9","1") = "8"
    & skf18("7","1","4","6","1","10","1") = "9"
    & skf18("7","1","4","6","2","1","1") = "6"
    & skf18("7","1","4","6","2","2","1") = "6"
    & skf18("7","1","4","6","2","3","1") = "6"
    & skf18("7","1","4","6","2","4","1") = "6"
    & skf18("7","1","4","6","2","5","1") = "6"
    & skf18("7","1","4","6","2","6","1") = "6"
    & skf18("7","1","4","6","2","7","1") = "6"
    & skf18("7","1","4","6","2","8","1") = "7"
    & skf18("7","1","4","6","2","9","1") = "8"
    & skf18("7","1","4","6","2","10","1") = "9"
    & skf18("7","1","4","6","3","1","1") = "6"
    & skf18("7","1","4","6","3","2","1") = "6"
    & skf18("7","1","4","6","3","3","1") = "6"
    & skf18("7","1","4","6","3","4","1") = "6"
    & skf18("7","1","4","6","3","5","1") = "6"
    & skf18("7","1","4","6","3","6","1") = "6"
    & skf18("7","1","4","6","3","7","1") = "6"
    & skf18("7","1","4","6","3","8","1") = "7"
    & skf18("7","1","4","6","3","9","1") = "8"
    & skf18("7","1","4","6","3","10","1") = "9"
    & skf18("7","1","4","6","4","1","1") = "6"
    & skf18("7","1","4","6","4","2","1") = "6"
    & skf18("7","1","4","6","4","3","1") = "6"
    & skf18("7","1","4","6","4","4","1") = "6"
    & skf18("7","1","4","6","4","5","1") = "6"
    & skf18("7","1","4","6","4","6","1") = "6"
    & skf18("7","1","4","6","4","7","1") = "6"
    & skf18("7","1","4","6","4","8","1") = "7"
    & skf18("7","1","4","6","4","9","1") = "8"
    & skf18("7","1","4","6","4","10","1") = "9"
    & skf18("7","1","4","6","5","1","1") = "6"
    & skf18("7","1","4","6","5","2","1") = "6"
    & skf18("7","1","4","6","5","3","1") = "6"
    & skf18("7","1","4","6","5","4","1") = "6"
    & skf18("7","1","4","6","5","5","1") = "6"
    & skf18("7","1","4","6","5","6","1") = "6"
    & skf18("7","1","4","6","5","7","1") = "6"
    & skf18("7","1","4","6","5","8","1") = "7"
    & skf18("7","1","4","6","5","9","1") = "8"
    & skf18("7","1","4","6","5","10","1") = "9"
    & skf18("7","1","4","6","6","1","1") = "6"
    & skf18("7","1","4","6","6","2","1") = "6"
    & skf18("7","1","4","6","6","3","1") = "6"
    & skf18("7","1","4","6","6","4","1") = "6"
    & skf18("7","1","4","6","6","5","1") = "6"
    & skf18("7","1","4","6","6","6","1") = "6"
    & skf18("7","1","4","6","6","7","1") = "6"
    & skf18("7","1","4","6","6","8","1") = "7"
    & skf18("7","1","4","6","6","9","1") = "8"
    & skf18("7","1","4","6","6","10","1") = "9"
    & skf18("7","1","4","6","7","1","1") = "6"
    & skf18("7","1","4","6","7","2","1") = "6"
    & skf18("7","1","4","6","7","3","1") = "6"
    & skf18("7","1","4","6","7","4","1") = "6"
    & skf18("7","1","4","6","7","5","1") = "6"
    & skf18("7","1","4","6","7","6","1") = "6"
    & skf18("7","1","4","6","7","7","1") = "6"
    & skf18("7","1","4","6","7","8","1") = "7"
    & skf18("7","1","4","6","7","9","1") = "8"
    & skf18("7","1","4","6","7","10","1") = "9"
    & skf18("7","1","4","6","8","1","1") = "7"
    & skf18("7","1","4","6","8","2","1") = "7"
    & skf18("7","1","4","6","8","3","1") = "7"
    & skf18("7","1","4","6","8","4","1") = "7"
    & skf18("7","1","4","6","8","5","1") = "7"
    & skf18("7","1","4","6","8","6","1") = "7"
    & skf18("7","1","4","6","8","7","1") = "7"
    & skf18("7","1","4","6","8","8","1") = "7"
    & skf18("7","1","4","6","8","9","1") = "8"
    & skf18("7","1","4","6","8","10","1") = "9"
    & skf18("7","1","4","6","9","1","1") = "8"
    & skf18("7","1","4","6","9","2","1") = "8"
    & skf18("7","1","4","6","9","3","1") = "8"
    & skf18("7","1","4","6","9","4","1") = "8"
    & skf18("7","1","4","6","9","5","1") = "8"
    & skf18("7","1","4","6","9","6","1") = "8"
    & skf18("7","1","4","6","9","7","1") = "8"
    & skf18("7","1","4","6","9","8","1") = "8"
    & skf18("7","1","4","6","9","9","1") = "8"
    & skf18("7","1","4","6","9","10","1") = "9"
    & skf18("7","1","4","6","10","1","1") = "9"
    & skf18("7","1","4","6","10","2","1") = "9"
    & skf18("7","1","4","6","10","3","1") = "9"
    & skf18("7","1","4","6","10","4","1") = "9"
    & skf18("7","1","4","6","10","5","1") = "9"
    & skf18("7","1","4","6","10","6","1") = "9"
    & skf18("7","1","4","6","10","7","1") = "9"
    & skf18("7","1","4","6","10","8","1") = "9"
    & skf18("7","1","4","6","10","9","1") = "9"
    & skf18("7","1","4","6","10","10","1") = "9"
    & skf18("7","1","4","7","1","1","1") = "6"
    & skf18("7","1","4","7","1","2","1") = "6"
    & skf18("7","1","4","7","1","3","1") = "6"
    & skf18("7","1","4","7","1","4","1") = "6"
    & skf18("7","1","4","7","1","5","1") = "6"
    & skf18("7","1","4","7","1","6","1") = "6"
    & skf18("7","1","4","7","1","7","1") = "6"
    & skf18("7","1","4","7","1","8","1") = "7"
    & skf18("7","1","4","7","1","9","1") = "8"
    & skf18("7","1","4","7","1","10","1") = "9"
    & skf18("7","1","4","7","2","1","1") = "6"
    & skf18("7","1","4","7","2","2","1") = "6"
    & skf18("7","1","4","7","2","3","1") = "6"
    & skf18("7","1","4","7","2","4","1") = "6"
    & skf18("7","1","4","7","2","5","1") = "6"
    & skf18("7","1","4","7","2","6","1") = "6"
    & skf18("7","1","4","7","2","7","1") = "6"
    & skf18("7","1","4","7","2","8","1") = "7"
    & skf18("7","1","4","7","2","9","1") = "8"
    & skf18("7","1","4","7","2","10","1") = "9"
    & skf18("7","1","4","7","3","1","1") = "6"
    & skf18("7","1","4","7","3","2","1") = "6"
    & skf18("7","1","4","7","3","3","1") = "6"
    & skf18("7","1","4","7","3","4","1") = "6"
    & skf18("7","1","4","7","3","5","1") = "6"
    & skf18("7","1","4","7","3","6","1") = "6"
    & skf18("7","1","4","7","3","7","1") = "6"
    & skf18("7","1","4","7","3","8","1") = "7"
    & skf18("7","1","4","7","3","9","1") = "8"
    & skf18("7","1","4","7","3","10","1") = "9"
    & skf18("7","1","4","7","4","1","1") = "6"
    & skf18("7","1","4","7","4","2","1") = "6"
    & skf18("7","1","4","7","4","3","1") = "6"
    & skf18("7","1","4","7","4","4","1") = "6"
    & skf18("7","1","4","7","4","5","1") = "6"
    & skf18("7","1","4","7","4","6","1") = "6"
    & skf18("7","1","4","7","4","7","1") = "6"
    & skf18("7","1","4","7","4","8","1") = "7"
    & skf18("7","1","4","7","4","9","1") = "8"
    & skf18("7","1","4","7","4","10","1") = "9"
    & skf18("7","1","4","7","5","1","1") = "6"
    & skf18("7","1","4","7","5","2","1") = "6"
    & skf18("7","1","4","7","5","3","1") = "6"
    & skf18("7","1","4","7","5","4","1") = "6"
    & skf18("7","1","4","7","5","5","1") = "6"
    & skf18("7","1","4","7","5","6","1") = "6"
    & skf18("7","1","4","7","5","7","1") = "6"
    & skf18("7","1","4","7","5","8","1") = "7"
    & skf18("7","1","4","7","5","9","1") = "8"
    & skf18("7","1","4","7","5","10","1") = "9"
    & skf18("7","1","4","7","6","1","1") = "6"
    & skf18("7","1","4","7","6","2","1") = "6"
    & skf18("7","1","4","7","6","3","1") = "6"
    & skf18("7","1","4","7","6","4","1") = "6"
    & skf18("7","1","4","7","6","5","1") = "6"
    & skf18("7","1","4","7","6","6","1") = "6"
    & skf18("7","1","4","7","6","7","1") = "6"
    & skf18("7","1","4","7","6","8","1") = "7"
    & skf18("7","1","4","7","6","9","1") = "8"
    & skf18("7","1","4","7","6","10","1") = "9"
    & skf18("7","1","4","7","7","1","1") = "6"
    & skf18("7","1","4","7","7","2","1") = "6"
    & skf18("7","1","4","7","7","3","1") = "6"
    & skf18("7","1","4","7","7","4","1") = "6"
    & skf18("7","1","4","7","7","5","1") = "6"
    & skf18("7","1","4","7","7","6","1") = "6"
    & skf18("7","1","4","7","7","7","1") = "6"
    & skf18("7","1","4","7","7","8","1") = "7"
    & skf18("7","1","4","7","7","9","1") = "8"
    & skf18("7","1","4","7","7","10","1") = "9"
    & skf18("7","1","4","7","8","1","1") = "7"
    & skf18("7","1","4","7","8","2","1") = "7"
    & skf18("7","1","4","7","8","3","1") = "7"
    & skf18("7","1","4","7","8","4","1") = "7"
    & skf18("7","1","4","7","8","5","1") = "7"
    & skf18("7","1","4","7","8","6","1") = "7"
    & skf18("7","1","4","7","8","7","1") = "7"
    & skf18("7","1","4","7","8","8","1") = "7"
    & skf18("7","1","4","7","8","9","1") = "8"
    & skf18("7","1","4","7","8","10","1") = "9"
    & skf18("7","1","4","7","9","1","1") = "8"
    & skf18("7","1","4","7","9","2","1") = "8"
    & skf18("7","1","4","7","9","3","1") = "8"
    & skf18("7","1","4","7","9","4","1") = "8"
    & skf18("7","1","4","7","9","5","1") = "8"
    & skf18("7","1","4","7","9","6","1") = "8"
    & skf18("7","1","4","7","9","7","1") = "8"
    & skf18("7","1","4","7","9","8","1") = "8"
    & skf18("7","1","4","7","9","9","1") = "8"
    & skf18("7","1","4","7","9","10","1") = "9"
    & skf18("7","1","4","7","10","1","1") = "9"
    & skf18("7","1","4","7","10","2","1") = "9"
    & skf18("7","1","4","7","10","3","1") = "9"
    & skf18("7","1","4","7","10","4","1") = "9"
    & skf18("7","1","4","7","10","5","1") = "9"
    & skf18("7","1","4","7","10","6","1") = "9"
    & skf18("7","1","4","7","10","7","1") = "9"
    & skf18("7","1","4","7","10","8","1") = "9"
    & skf18("7","1","4","7","10","9","1") = "9"
    & skf18("7","1","4","7","10","10","1") = "9"
    & skf18("7","1","4","8","1","1","1") = "7"
    & skf18("7","1","4","8","1","2","1") = "7"
    & skf18("7","1","4","8","1","3","1") = "7"
    & skf18("7","1","4","8","1","4","1") = "7"
    & skf18("7","1","4","8","1","5","1") = "7"
    & skf18("7","1","4","8","1","6","1") = "7"
    & skf18("7","1","4","8","1","7","1") = "7"
    & skf18("7","1","4","8","1","8","1") = "7"
    & skf18("7","1","4","8","1","9","1") = "8"
    & skf18("7","1","4","8","1","10","1") = "9"
    & skf18("7","1","4","8","2","1","1") = "7"
    & skf18("7","1","4","8","2","2","1") = "7"
    & skf18("7","1","4","8","2","3","1") = "7"
    & skf18("7","1","4","8","2","4","1") = "7"
    & skf18("7","1","4","8","2","5","1") = "7"
    & skf18("7","1","4","8","2","6","1") = "7"
    & skf18("7","1","4","8","2","7","1") = "7"
    & skf18("7","1","4","8","2","8","1") = "7"
    & skf18("7","1","4","8","2","9","1") = "8"
    & skf18("7","1","4","8","2","10","1") = "9"
    & skf18("7","1","4","8","3","1","1") = "7"
    & skf18("7","1","4","8","3","2","1") = "7"
    & skf18("7","1","4","8","3","3","1") = "7"
    & skf18("7","1","4","8","3","4","1") = "7"
    & skf18("7","1","4","8","3","5","1") = "7"
    & skf18("7","1","4","8","3","6","1") = "7"
    & skf18("7","1","4","8","3","7","1") = "7"
    & skf18("7","1","4","8","3","8","1") = "7"
    & skf18("7","1","4","8","3","9","1") = "8"
    & skf18("7","1","4","8","3","10","1") = "9"
    & skf18("7","1","4","8","4","1","1") = "7"
    & skf18("7","1","4","8","4","2","1") = "7"
    & skf18("7","1","4","8","4","3","1") = "7"
    & skf18("7","1","4","8","4","4","1") = "7"
    & skf18("7","1","4","8","4","5","1") = "7"
    & skf18("7","1","4","8","4","6","1") = "7"
    & skf18("7","1","4","8","4","7","1") = "7"
    & skf18("7","1","4","8","4","8","1") = "7"
    & skf18("7","1","4","8","4","9","1") = "8"
    & skf18("7","1","4","8","4","10","1") = "9"
    & skf18("7","1","4","8","5","1","1") = "7"
    & skf18("7","1","4","8","5","2","1") = "7"
    & skf18("7","1","4","8","5","3","1") = "7"
    & skf18("7","1","4","8","5","4","1") = "7"
    & skf18("7","1","4","8","5","5","1") = "7"
    & skf18("7","1","4","8","5","6","1") = "7"
    & skf18("7","1","4","8","5","7","1") = "7"
    & skf18("7","1","4","8","5","8","1") = "7"
    & skf18("7","1","4","8","5","9","1") = "8"
    & skf18("7","1","4","8","5","10","1") = "9"
    & skf18("7","1","4","8","6","1","1") = "7"
    & skf18("7","1","4","8","6","2","1") = "7"
    & skf18("7","1","4","8","6","3","1") = "7"
    & skf18("7","1","4","8","6","4","1") = "7"
    & skf18("7","1","4","8","6","5","1") = "7"
    & skf18("7","1","4","8","6","6","1") = "7"
    & skf18("7","1","4","8","6","7","1") = "7"
    & skf18("7","1","4","8","6","8","1") = "7"
    & skf18("7","1","4","8","6","9","1") = "8"
    & skf18("7","1","4","8","6","10","1") = "9"
    & skf18("7","1","4","8","7","1","1") = "7"
    & skf18("7","1","4","8","7","2","1") = "7"
    & skf18("7","1","4","8","7","3","1") = "7"
    & skf18("7","1","4","8","7","4","1") = "7"
    & skf18("7","1","4","8","7","5","1") = "7"
    & skf18("7","1","4","8","7","6","1") = "7"
    & skf18("7","1","4","8","7","7","1") = "7"
    & skf18("7","1","4","8","7","8","1") = "7"
    & skf18("7","1","4","8","7","9","1") = "8"
    & skf18("7","1","4","8","7","10","1") = "9"
    & skf18("7","1","4","8","8","1","1") = "7"
    & skf18("7","1","4","8","8","2","1") = "7"
    & skf18("7","1","4","8","8","3","1") = "7"
    & skf18("7","1","4","8","8","4","1") = "7"
    & skf18("7","1","4","8","8","5","1") = "7"
    & skf18("7","1","4","8","8","6","1") = "7"
    & skf18("7","1","4","8","8","7","1") = "7"
    & skf18("7","1","4","8","8","8","1") = "7"
    & skf18("7","1","4","8","8","9","1") = "8"
    & skf18("7","1","4","8","8","10","1") = "9"
    & skf18("7","1","4","8","9","1","1") = "8"
    & skf18("7","1","4","8","9","2","1") = "8"
    & skf18("7","1","4","8","9","3","1") = "8"
    & skf18("7","1","4","8","9","4","1") = "8"
    & skf18("7","1","4","8","9","5","1") = "8"
    & skf18("7","1","4","8","9","6","1") = "8"
    & skf18("7","1","4","8","9","7","1") = "8"
    & skf18("7","1","4","8","9","8","1") = "8"
    & skf18("7","1","4","8","9","9","1") = "8"
    & skf18("7","1","4","8","9","10","1") = "9"
    & skf18("7","1","4","8","10","1","1") = "9"
    & skf18("7","1","4","8","10","2","1") = "9"
    & skf18("7","1","4","8","10","3","1") = "9"
    & skf18("7","1","4","8","10","4","1") = "9"
    & skf18("7","1","4","8","10","5","1") = "9"
    & skf18("7","1","4","8","10","6","1") = "9"
    & skf18("7","1","4","8","10","7","1") = "9"
    & skf18("7","1","4","8","10","8","1") = "9"
    & skf18("7","1","4","8","10","9","1") = "9"
    & skf18("7","1","4","8","10","10","1") = "9"
    & skf18("7","1","4","9","1","1","1") = "8"
    & skf18("7","1","4","9","1","2","1") = "8"
    & skf18("7","1","4","9","1","3","1") = "8"
    & skf18("7","1","4","9","1","4","1") = "8"
    & skf18("7","1","4","9","1","5","1") = "8"
    & skf18("7","1","4","9","1","6","1") = "8"
    & skf18("7","1","4","9","1","7","1") = "8"
    & skf18("7","1","4","9","1","8","1") = "8"
    & skf18("7","1","4","9","1","9","1") = "8"
    & skf18("7","1","4","9","1","10","1") = "9"
    & skf18("7","1","4","9","2","1","1") = "8"
    & skf18("7","1","4","9","2","2","1") = "8"
    & skf18("7","1","4","9","2","3","1") = "8"
    & skf18("7","1","4","9","2","4","1") = "8"
    & skf18("7","1","4","9","2","5","1") = "8"
    & skf18("7","1","4","9","2","6","1") = "8"
    & skf18("7","1","4","9","2","7","1") = "8"
    & skf18("7","1","4","9","2","8","1") = "8"
    & skf18("7","1","4","9","2","9","1") = "8"
    & skf18("7","1","4","9","2","10","1") = "9"
    & skf18("7","1","4","9","3","1","1") = "8"
    & skf18("7","1","4","9","3","2","1") = "8"
    & skf18("7","1","4","9","3","3","1") = "8"
    & skf18("7","1","4","9","3","4","1") = "8"
    & skf18("7","1","4","9","3","5","1") = "8"
    & skf18("7","1","4","9","3","6","1") = "8"
    & skf18("7","1","4","9","3","7","1") = "8"
    & skf18("7","1","4","9","3","8","1") = "8"
    & skf18("7","1","4","9","3","9","1") = "8"
    & skf18("7","1","4","9","3","10","1") = "9"
    & skf18("7","1","4","9","4","1","1") = "8"
    & skf18("7","1","4","9","4","2","1") = "8"
    & skf18("7","1","4","9","4","3","1") = "8"
    & skf18("7","1","4","9","4","4","1") = "8"
    & skf18("7","1","4","9","4","5","1") = "8"
    & skf18("7","1","4","9","4","6","1") = "8"
    & skf18("7","1","4","9","4","7","1") = "8"
    & skf18("7","1","4","9","4","8","1") = "8"
    & skf18("7","1","4","9","4","9","1") = "8"
    & skf18("7","1","4","9","4","10","1") = "9"
    & skf18("7","1","4","9","5","1","1") = "8"
    & skf18("7","1","4","9","5","2","1") = "8"
    & skf18("7","1","4","9","5","3","1") = "8"
    & skf18("7","1","4","9","5","4","1") = "8"
    & skf18("7","1","4","9","5","5","1") = "8"
    & skf18("7","1","4","9","5","6","1") = "8"
    & skf18("7","1","4","9","5","7","1") = "8"
    & skf18("7","1","4","9","5","8","1") = "8"
    & skf18("7","1","4","9","5","9","1") = "8"
    & skf18("7","1","4","9","5","10","1") = "9"
    & skf18("7","1","4","9","6","1","1") = "8"
    & skf18("7","1","4","9","6","2","1") = "8"
    & skf18("7","1","4","9","6","3","1") = "8"
    & skf18("7","1","4","9","6","4","1") = "8"
    & skf18("7","1","4","9","6","5","1") = "8"
    & skf18("7","1","4","9","6","6","1") = "8"
    & skf18("7","1","4","9","6","7","1") = "8"
    & skf18("7","1","4","9","6","8","1") = "8"
    & skf18("7","1","4","9","6","9","1") = "8"
    & skf18("7","1","4","9","6","10","1") = "9"
    & skf18("7","1","4","9","7","1","1") = "8"
    & skf18("7","1","4","9","7","2","1") = "8"
    & skf18("7","1","4","9","7","3","1") = "8"
    & skf18("7","1","4","9","7","4","1") = "8"
    & skf18("7","1","4","9","7","5","1") = "8"
    & skf18("7","1","4","9","7","6","1") = "8"
    & skf18("7","1","4","9","7","7","1") = "8"
    & skf18("7","1","4","9","7","8","1") = "8"
    & skf18("7","1","4","9","7","9","1") = "8"
    & skf18("7","1","4","9","7","10","1") = "9"
    & skf18("7","1","4","9","8","1","1") = "8"
    & skf18("7","1","4","9","8","2","1") = "8"
    & skf18("7","1","4","9","8","3","1") = "8"
    & skf18("7","1","4","9","8","4","1") = "8"
    & skf18("7","1","4","9","8","5","1") = "8"
    & skf18("7","1","4","9","8","6","1") = "8"
    & skf18("7","1","4","9","8","7","1") = "8"
    & skf18("7","1","4","9","8","8","1") = "8"
    & skf18("7","1","4","9","8","9","1") = "8"
    & skf18("7","1","4","9","8","10","1") = "9"
    & skf18("7","1","4","9","9","1","1") = "8"
    & skf18("7","1","4","9","9","2","1") = "8"
    & skf18("7","1","4","9","9","3","1") = "8"
    & skf18("7","1","4","9","9","4","1") = "8"
    & skf18("7","1","4","9","9","5","1") = "8"
    & skf18("7","1","4","9","9","6","1") = "8"
    & skf18("7","1","4","9","9","7","1") = "8"
    & skf18("7","1","4","9","9","8","1") = "8"
    & skf18("7","1","4","9","9","9","1") = "8"
    & skf18("7","1","4","9","9","10","1") = "9"
    & skf18("7","1","4","9","10","1","1") = "9"
    & skf18("7","1","4","9","10","2","1") = "9"
    & skf18("7","1","4","9","10","3","1") = "9"
    & skf18("7","1","4","9","10","4","1") = "9"
    & skf18("7","1","4","9","10","5","1") = "9"
    & skf18("7","1","4","9","10","6","1") = "9"
    & skf18("7","1","4","9","10","7","1") = "9"
    & skf18("7","1","4","9","10","8","1") = "9"
    & skf18("7","1","4","9","10","9","1") = "9"
    & skf18("7","1","4","9","10","10","1") = "9"
    & skf18("7","1","4","10","1","1","1") = "9"
    & skf18("7","1","4","10","1","2","1") = "9"
    & skf18("7","1","4","10","1","3","1") = "9"
    & skf18("7","1","4","10","1","4","1") = "9"
    & skf18("7","1","4","10","1","5","1") = "9"
    & skf18("7","1","4","10","1","6","1") = "9"
    & skf18("7","1","4","10","1","7","1") = "9"
    & skf18("7","1","4","10","1","8","1") = "9"
    & skf18("7","1","4","10","1","9","1") = "9"
    & skf18("7","1","4","10","1","10","1") = "9"
    & skf18("7","1","4","10","2","1","1") = "9"
    & skf18("7","1","4","10","2","2","1") = "9"
    & skf18("7","1","4","10","2","3","1") = "9"
    & skf18("7","1","4","10","2","4","1") = "9"
    & skf18("7","1","4","10","2","5","1") = "9"
    & skf18("7","1","4","10","2","6","1") = "9"
    & skf18("7","1","4","10","2","7","1") = "9"
    & skf18("7","1","4","10","2","8","1") = "9"
    & skf18("7","1","4","10","2","9","1") = "9"
    & skf18("7","1","4","10","2","10","1") = "9"
    & skf18("7","1","4","10","3","1","1") = "9"
    & skf18("7","1","4","10","3","2","1") = "9"
    & skf18("7","1","4","10","3","3","1") = "9"
    & skf18("7","1","4","10","3","4","1") = "9"
    & skf18("7","1","4","10","3","5","1") = "9"
    & skf18("7","1","4","10","3","6","1") = "9"
    & skf18("7","1","4","10","3","7","1") = "9"
    & skf18("7","1","4","10","3","8","1") = "9"
    & skf18("7","1","4","10","3","9","1") = "9"
    & skf18("7","1","4","10","3","10","1") = "9"
    & skf18("7","1","4","10","4","1","1") = "9"
    & skf18("7","1","4","10","4","2","1") = "9"
    & skf18("7","1","4","10","4","3","1") = "9"
    & skf18("7","1","4","10","4","4","1") = "9"
    & skf18("7","1","4","10","4","5","1") = "9"
    & skf18("7","1","4","10","4","6","1") = "9"
    & skf18("7","1","4","10","4","7","1") = "9"
    & skf18("7","1","4","10","4","8","1") = "9"
    & skf18("7","1","4","10","4","9","1") = "9"
    & skf18("7","1","4","10","4","10","1") = "9"
    & skf18("7","1","4","10","5","1","1") = "9"
    & skf18("7","1","4","10","5","2","1") = "9"
    & skf18("7","1","4","10","5","3","1") = "9"
    & skf18("7","1","4","10","5","4","1") = "9"
    & skf18("7","1","4","10","5","5","1") = "9"
    & skf18("7","1","4","10","5","6","1") = "9"
    & skf18("7","1","4","10","5","7","1") = "9"
    & skf18("7","1","4","10","5","8","1") = "9"
    & skf18("7","1","4","10","5","9","1") = "9"
    & skf18("7","1","4","10","5","10","1") = "9"
    & skf18("7","1","4","10","6","1","1") = "9"
    & skf18("7","1","4","10","6","2","1") = "9"
    & skf18("7","1","4","10","6","3","1") = "9"
    & skf18("7","1","4","10","6","4","1") = "9"
    & skf18("7","1","4","10","6","5","1") = "9"
    & skf18("7","1","4","10","6","6","1") = "9"
    & skf18("7","1","4","10","6","7","1") = "9"
    & skf18("7","1","4","10","6","8","1") = "9"
    & skf18("7","1","4","10","6","9","1") = "9"
    & skf18("7","1","4","10","6","10","1") = "9"
    & skf18("7","1","4","10","7","1","1") = "9"
    & skf18("7","1","4","10","7","2","1") = "9"
    & skf18("7","1","4","10","7","3","1") = "9"
    & skf18("7","1","4","10","7","4","1") = "9"
    & skf18("7","1","4","10","7","5","1") = "9"
    & skf18("7","1","4","10","7","6","1") = "9"
    & skf18("7","1","4","10","7","7","1") = "9"
    & skf18("7","1","4","10","7","8","1") = "9"
    & skf18("7","1","4","10","7","9","1") = "9"
    & skf18("7","1","4","10","7","10","1") = "9"
    & skf18("7","1","4","10","8","1","1") = "9"
    & skf18("7","1","4","10","8","2","1") = "9"
    & skf18("7","1","4","10","8","3","1") = "9"
    & skf18("7","1","4","10","8","4","1") = "9"
    & skf18("7","1","4","10","8","5","1") = "9"
    & skf18("7","1","4","10","8","6","1") = "9"
    & skf18("7","1","4","10","8","7","1") = "9"
    & skf18("7","1","4","10","8","8","1") = "9"
    & skf18("7","1","4","10","8","9","1") = "9"
    & skf18("7","1","4","10","8","10","1") = "9"
    & skf18("7","1","4","10","9","1","1") = "9"
    & skf18("7","1","4","10","9","2","1") = "9"
    & skf18("7","1","4","10","9","3","1") = "9"
    & skf18("7","1","4","10","9","4","1") = "9"
    & skf18("7","1","4","10","9","5","1") = "9"
    & skf18("7","1","4","10","9","6","1") = "9"
    & skf18("7","1","4","10","9","7","1") = "9"
    & skf18("7","1","4","10","9","8","1") = "9"
    & skf18("7","1","4","10","9","9","1") = "9"
    & skf18("7","1","4","10","9","10","1") = "9"
    & skf18("7","1","4","10","10","1","1") = "9"
    & skf18("7","1","4","10","10","2","1") = "9"
    & skf18("7","1","4","10","10","3","1") = "9"
    & skf18("7","1","4","10","10","4","1") = "9"
    & skf18("7","1","4","10","10","5","1") = "9"
    & skf18("7","1","4","10","10","6","1") = "9"
    & skf18("7","1","4","10","10","7","1") = "9"
    & skf18("7","1","4","10","10","8","1") = "9"
    & skf18("7","1","4","10","10","9","1") = "9"
    & skf18("7","1","4","10","10","10","1") = "9"
    & skf18("7","1","5","1","1","1","1") = "6"
    & skf18("7","1","5","1","1","2","1") = "6"
    & skf18("7","1","5","1","1","3","1") = "6"
    & skf18("7","1","5","1","1","4","1") = "6"
    & skf18("7","1","5","1","1","5","1") = "6"
    & skf18("7","1","5","1","1","6","1") = "6"
    & skf18("7","1","5","1","1","7","1") = "6"
    & skf18("7","1","5","1","1","8","1") = "7"
    & skf18("7","1","5","1","1","9","1") = "8"
    & skf18("7","1","5","1","1","10","1") = "9"
    & skf18("7","1","5","1","2","1","1") = "6"
    & skf18("7","1","5","1","2","2","1") = "6"
    & skf18("7","1","5","1","2","3","1") = "6"
    & skf18("7","1","5","1","2","4","1") = "6"
    & skf18("7","1","5","1","2","5","1") = "6"
    & skf18("7","1","5","1","2","6","1") = "6"
    & skf18("7","1","5","1","2","7","1") = "6"
    & skf18("7","1","5","1","2","8","1") = "7"
    & skf18("7","1","5","1","2","9","1") = "8"
    & skf18("7","1","5","1","2","10","1") = "9"
    & skf18("7","1","5","1","3","1","1") = "6"
    & skf18("7","1","5","1","3","2","1") = "6"
    & skf18("7","1","5","1","3","3","1") = "6"
    & skf18("7","1","5","1","3","4","1") = "6"
    & skf18("7","1","5","1","3","5","1") = "6"
    & skf18("7","1","5","1","3","6","1") = "6"
    & skf18("7","1","5","1","3","7","1") = "6"
    & skf18("7","1","5","1","3","8","1") = "7"
    & skf18("7","1","5","1","3","9","1") = "8"
    & skf18("7","1","5","1","3","10","1") = "9"
    & skf18("7","1","5","1","4","1","1") = "6"
    & skf18("7","1","5","1","4","2","1") = "6"
    & skf18("7","1","5","1","4","3","1") = "6"
    & skf18("7","1","5","1","4","4","1") = "6"
    & skf18("7","1","5","1","4","5","1") = "6"
    & skf18("7","1","5","1","4","6","1") = "6"
    & skf18("7","1","5","1","4","7","1") = "6"
    & skf18("7","1","5","1","4","8","1") = "7"
    & skf18("7","1","5","1","4","9","1") = "8"
    & skf18("7","1","5","1","4","10","1") = "9"
    & skf18("7","1","5","1","5","1","1") = "6"
    & skf18("7","1","5","1","5","2","1") = "6"
    & skf18("7","1","5","1","5","3","1") = "6"
    & skf18("7","1","5","1","5","4","1") = "6"
    & skf18("7","1","5","1","5","5","1") = "6"
    & skf18("7","1","5","1","5","6","1") = "6"
    & skf18("7","1","5","1","5","7","1") = "6"
    & skf18("7","1","5","1","5","8","1") = "7"
    & skf18("7","1","5","1","5","9","1") = "8"
    & skf18("7","1","5","1","5","10","1") = "9"
    & skf18("7","1","5","1","6","1","1") = "6"
    & skf18("7","1","5","1","6","2","1") = "6"
    & skf18("7","1","5","1","6","3","1") = "6"
    & skf18("7","1","5","1","6","4","1") = "6"
    & skf18("7","1","5","1","6","5","1") = "6"
    & skf18("7","1","5","1","6","6","1") = "6"
    & skf18("7","1","5","1","6","7","1") = "6"
    & skf18("7","1","5","1","6","8","1") = "7"
    & skf18("7","1","5","1","6","9","1") = "8"
    & skf18("7","1","5","1","6","10","1") = "9"
    & skf18("7","1","5","1","7","1","1") = "6"
    & skf18("7","1","5","1","7","2","1") = "6"
    & skf18("7","1","5","1","7","3","1") = "6"
    & skf18("7","1","5","1","7","4","1") = "6"
    & skf18("7","1","5","1","7","5","1") = "6"
    & skf18("7","1","5","1","7","6","1") = "6"
    & skf18("7","1","5","1","7","7","1") = "6"
    & skf18("7","1","5","1","7","8","1") = "7"
    & skf18("7","1","5","1","7","9","1") = "8"
    & skf18("7","1","5","1","7","10","1") = "9"
    & skf18("7","1","5","1","8","1","1") = "7"
    & skf18("7","1","5","1","8","2","1") = "7"
    & skf18("7","1","5","1","8","3","1") = "7"
    & skf18("7","1","5","1","8","4","1") = "7"
    & skf18("7","1","5","1","8","5","1") = "7"
    & skf18("7","1","5","1","8","6","1") = "7"
    & skf18("7","1","5","1","8","7","1") = "7"
    & skf18("7","1","5","1","8","8","1") = "7"
    & skf18("7","1","5","1","8","9","1") = "8"
    & skf18("7","1","5","1","8","10","1") = "9"
    & skf18("7","1","5","1","9","1","1") = "8"
    & skf18("7","1","5","1","9","2","1") = "8"
    & skf18("7","1","5","1","9","3","1") = "8"
    & skf18("7","1","5","1","9","4","1") = "8"
    & skf18("7","1","5","1","9","5","1") = "8"
    & skf18("7","1","5","1","9","6","1") = "8"
    & skf18("7","1","5","1","9","7","1") = "8"
    & skf18("7","1","5","1","9","8","1") = "8"
    & skf18("7","1","5","1","9","9","1") = "8"
    & skf18("7","1","5","1","9","10","1") = "9"
    & skf18("7","1","5","1","10","1","1") = "9"
    & skf18("7","1","5","1","10","2","1") = "9"
    & skf18("7","1","5","1","10","3","1") = "9"
    & skf18("7","1","5","1","10","4","1") = "9"
    & skf18("7","1","5","1","10","5","1") = "9"
    & skf18("7","1","5","1","10","6","1") = "9"
    & skf18("7","1","5","1","10","7","1") = "9"
    & skf18("7","1","5","1","10","8","1") = "9"
    & skf18("7","1","5","1","10","9","1") = "9"
    & skf18("7","1","5","1","10","10","1") = "9"
    & skf18("7","1","5","2","1","1","1") = "6"
    & skf18("7","1","5","2","1","2","1") = "6"
    & skf18("7","1","5","2","1","3","1") = "6"
    & skf18("7","1","5","2","1","4","1") = "6"
    & skf18("7","1","5","2","1","5","1") = "6"
    & skf18("7","1","5","2","1","6","1") = "6"
    & skf18("7","1","5","2","1","7","1") = "6"
    & skf18("7","1","5","2","1","8","1") = "7"
    & skf18("7","1","5","2","1","9","1") = "8"
    & skf18("7","1","5","2","1","10","1") = "9"
    & skf18("7","1","5","2","2","1","1") = "6"
    & skf18("7","1","5","2","2","2","1") = "6"
    & skf18("7","1","5","2","2","3","1") = "6"
    & skf18("7","1","5","2","2","4","1") = "6"
    & skf18("7","1","5","2","2","5","1") = "6"
    & skf18("7","1","5","2","2","6","1") = "6"
    & skf18("7","1","5","2","2","7","1") = "6"
    & skf18("7","1","5","2","2","8","1") = "7"
    & skf18("7","1","5","2","2","9","1") = "8"
    & skf18("7","1","5","2","2","10","1") = "9"
    & skf18("7","1","5","2","3","1","1") = "6"
    & skf18("7","1","5","2","3","2","1") = "6"
    & skf18("7","1","5","2","3","3","1") = "6"
    & skf18("7","1","5","2","3","4","1") = "6"
    & skf18("7","1","5","2","3","5","1") = "6"
    & skf18("7","1","5","2","3","6","1") = "6"
    & skf18("7","1","5","2","3","7","1") = "6"
    & skf18("7","1","5","2","3","8","1") = "7"
    & skf18("7","1","5","2","3","9","1") = "8"
    & skf18("7","1","5","2","3","10","1") = "9"
    & skf18("7","1","5","2","4","1","1") = "6"
    & skf18("7","1","5","2","4","2","1") = "6"
    & skf18("7","1","5","2","4","3","1") = "6"
    & skf18("7","1","5","2","4","4","1") = "6"
    & skf18("7","1","5","2","4","5","1") = "6"
    & skf18("7","1","5","2","4","6","1") = "6"
    & skf18("7","1","5","2","4","7","1") = "6"
    & skf18("7","1","5","2","4","8","1") = "7"
    & skf18("7","1","5","2","4","9","1") = "8"
    & skf18("7","1","5","2","4","10","1") = "9"
    & skf18("7","1","5","2","5","1","1") = "6"
    & skf18("7","1","5","2","5","2","1") = "6"
    & skf18("7","1","5","2","5","3","1") = "6"
    & skf18("7","1","5","2","5","4","1") = "6"
    & skf18("7","1","5","2","5","5","1") = "6"
    & skf18("7","1","5","2","5","6","1") = "6"
    & skf18("7","1","5","2","5","7","1") = "6"
    & skf18("7","1","5","2","5","8","1") = "7"
    & skf18("7","1","5","2","5","9","1") = "8"
    & skf18("7","1","5","2","5","10","1") = "9"
    & skf18("7","1","5","2","6","1","1") = "6"
    & skf18("7","1","5","2","6","2","1") = "6"
    & skf18("7","1","5","2","6","3","1") = "6"
    & skf18("7","1","5","2","6","4","1") = "6"
    & skf18("7","1","5","2","6","5","1") = "6"
    & skf18("7","1","5","2","6","6","1") = "6"
    & skf18("7","1","5","2","6","7","1") = "6"
    & skf18("7","1","5","2","6","8","1") = "7"
    & skf18("7","1","5","2","6","9","1") = "8"
    & skf18("7","1","5","2","6","10","1") = "9"
    & skf18("7","1","5","2","7","1","1") = "6"
    & skf18("7","1","5","2","7","2","1") = "6"
    & skf18("7","1","5","2","7","3","1") = "6"
    & skf18("7","1","5","2","7","4","1") = "6"
    & skf18("7","1","5","2","7","5","1") = "6"
    & skf18("7","1","5","2","7","6","1") = "6"
    & skf18("7","1","5","2","7","7","1") = "6"
    & skf18("7","1","5","2","7","8","1") = "7"
    & skf18("7","1","5","2","7","9","1") = "8"
    & skf18("7","1","5","2","7","10","1") = "9"
    & skf18("7","1","5","2","8","1","1") = "7"
    & skf18("7","1","5","2","8","2","1") = "7"
    & skf18("7","1","5","2","8","3","1") = "7"
    & skf18("7","1","5","2","8","4","1") = "7"
    & skf18("7","1","5","2","8","5","1") = "7"
    & skf18("7","1","5","2","8","6","1") = "7"
    & skf18("7","1","5","2","8","7","1") = "7"
    & skf18("7","1","5","2","8","8","1") = "7"
    & skf18("7","1","5","2","8","9","1") = "8"
    & skf18("7","1","5","2","8","10","1") = "9"
    & skf18("7","1","5","2","9","1","1") = "8"
    & skf18("7","1","5","2","9","2","1") = "8"
    & skf18("7","1","5","2","9","3","1") = "8"
    & skf18("7","1","5","2","9","4","1") = "8"
    & skf18("7","1","5","2","9","5","1") = "8"
    & skf18("7","1","5","2","9","6","1") = "8"
    & skf18("7","1","5","2","9","7","1") = "8"
    & skf18("7","1","5","2","9","8","1") = "8"
    & skf18("7","1","5","2","9","9","1") = "8"
    & skf18("7","1","5","2","9","10","1") = "9"
    & skf18("7","1","5","2","10","1","1") = "9"
    & skf18("7","1","5","2","10","2","1") = "9"
    & skf18("7","1","5","2","10","3","1") = "9"
    & skf18("7","1","5","2","10","4","1") = "9"
    & skf18("7","1","5","2","10","5","1") = "9"
    & skf18("7","1","5","2","10","6","1") = "9"
    & skf18("7","1","5","2","10","7","1") = "9"
    & skf18("7","1","5","2","10","8","1") = "9"
    & skf18("7","1","5","2","10","9","1") = "9"
    & skf18("7","1","5","2","10","10","1") = "9"
    & skf18("7","1","5","3","1","1","1") = "6"
    & skf18("7","1","5","3","1","2","1") = "6"
    & skf18("7","1","5","3","1","3","1") = "6"
    & skf18("7","1","5","3","1","4","1") = "6"
    & skf18("7","1","5","3","1","5","1") = "6"
    & skf18("7","1","5","3","1","6","1") = "6"
    & skf18("7","1","5","3","1","7","1") = "6"
    & skf18("7","1","5","3","1","8","1") = "7"
    & skf18("7","1","5","3","1","9","1") = "8"
    & skf18("7","1","5","3","1","10","1") = "9"
    & skf18("7","1","5","3","2","1","1") = "6"
    & skf18("7","1","5","3","2","2","1") = "6"
    & skf18("7","1","5","3","2","3","1") = "6"
    & skf18("7","1","5","3","2","4","1") = "6"
    & skf18("7","1","5","3","2","5","1") = "6"
    & skf18("7","1","5","3","2","6","1") = "6"
    & skf18("7","1","5","3","2","7","1") = "6"
    & skf18("7","1","5","3","2","8","1") = "7"
    & skf18("7","1","5","3","2","9","1") = "8"
    & skf18("7","1","5","3","2","10","1") = "9"
    & skf18("7","1","5","3","3","1","1") = "6"
    & skf18("7","1","5","3","3","2","1") = "6"
    & skf18("7","1","5","3","3","3","1") = "6"
    & skf18("7","1","5","3","3","4","1") = "6"
    & skf18("7","1","5","3","3","5","1") = "6"
    & skf18("7","1","5","3","3","6","1") = "6"
    & skf18("7","1","5","3","3","7","1") = "6"
    & skf18("7","1","5","3","3","8","1") = "7"
    & skf18("7","1","5","3","3","9","1") = "8"
    & skf18("7","1","5","3","3","10","1") = "9"
    & skf18("7","1","5","3","4","1","1") = "6"
    & skf18("7","1","5","3","4","2","1") = "6"
    & skf18("7","1","5","3","4","3","1") = "6"
    & skf18("7","1","5","3","4","4","1") = "6"
    & skf18("7","1","5","3","4","5","1") = "6"
    & skf18("7","1","5","3","4","6","1") = "6"
    & skf18("7","1","5","3","4","7","1") = "6"
    & skf18("7","1","5","3","4","8","1") = "7"
    & skf18("7","1","5","3","4","9","1") = "8"
    & skf18("7","1","5","3","4","10","1") = "9"
    & skf18("7","1","5","3","5","1","1") = "6"
    & skf18("7","1","5","3","5","2","1") = "6"
    & skf18("7","1","5","3","5","3","1") = "6"
    & skf18("7","1","5","3","5","4","1") = "6"
    & skf18("7","1","5","3","5","5","1") = "6"
    & skf18("7","1","5","3","5","6","1") = "6"
    & skf18("7","1","5","3","5","7","1") = "6"
    & skf18("7","1","5","3","5","8","1") = "7"
    & skf18("7","1","5","3","5","9","1") = "8"
    & skf18("7","1","5","3","5","10","1") = "9"
    & skf18("7","1","5","3","6","1","1") = "6"
    & skf18("7","1","5","3","6","2","1") = "6"
    & skf18("7","1","5","3","6","3","1") = "6"
    & skf18("7","1","5","3","6","4","1") = "6"
    & skf18("7","1","5","3","6","5","1") = "6"
    & skf18("7","1","5","3","6","6","1") = "6"
    & skf18("7","1","5","3","6","7","1") = "6"
    & skf18("7","1","5","3","6","8","1") = "7"
    & skf18("7","1","5","3","6","9","1") = "8"
    & skf18("7","1","5","3","6","10","1") = "9"
    & skf18("7","1","5","3","7","1","1") = "6"
    & skf18("7","1","5","3","7","2","1") = "6"
    & skf18("7","1","5","3","7","3","1") = "6"
    & skf18("7","1","5","3","7","4","1") = "6"
    & skf18("7","1","5","3","7","5","1") = "6"
    & skf18("7","1","5","3","7","6","1") = "6"
    & skf18("7","1","5","3","7","7","1") = "6"
    & skf18("7","1","5","3","7","8","1") = "7"
    & skf18("7","1","5","3","7","9","1") = "8"
    & skf18("7","1","5","3","7","10","1") = "9"
    & skf18("7","1","5","3","8","1","1") = "7"
    & skf18("7","1","5","3","8","2","1") = "7"
    & skf18("7","1","5","3","8","3","1") = "7"
    & skf18("7","1","5","3","8","4","1") = "7"
    & skf18("7","1","5","3","8","5","1") = "7"
    & skf18("7","1","5","3","8","6","1") = "7"
    & skf18("7","1","5","3","8","7","1") = "7"
    & skf18("7","1","5","3","8","8","1") = "7"
    & skf18("7","1","5","3","8","9","1") = "8"
    & skf18("7","1","5","3","8","10","1") = "9"
    & skf18("7","1","5","3","9","1","1") = "8"
    & skf18("7","1","5","3","9","2","1") = "8"
    & skf18("7","1","5","3","9","3","1") = "8"
    & skf18("7","1","5","3","9","4","1") = "8"
    & skf18("7","1","5","3","9","5","1") = "8"
    & skf18("7","1","5","3","9","6","1") = "8"
    & skf18("7","1","5","3","9","7","1") = "8"
    & skf18("7","1","5","3","9","8","1") = "8"
    & skf18("7","1","5","3","9","9","1") = "8"
    & skf18("7","1","5","3","9","10","1") = "9"
    & skf18("7","1","5","3","10","1","1") = "9"
    & skf18("7","1","5","3","10","2","1") = "9"
    & skf18("7","1","5","3","10","3","1") = "9"
    & skf18("7","1","5","3","10","4","1") = "9"
    & skf18("7","1","5","3","10","5","1") = "9"
    & skf18("7","1","5","3","10","6","1") = "9"
    & skf18("7","1","5","3","10","7","1") = "9"
    & skf18("7","1","5","3","10","8","1") = "9"
    & skf18("7","1","5","3","10","9","1") = "9"
    & skf18("7","1","5","3","10","10","1") = "9"
    & skf18("7","1","5","4","1","1","1") = "6"
    & skf18("7","1","5","4","1","2","1") = "6"
    & skf18("7","1","5","4","1","3","1") = "6"
    & skf18("7","1","5","4","1","4","1") = "6"
    & skf18("7","1","5","4","1","5","1") = "6"
    & skf18("7","1","5","4","1","6","1") = "6"
    & skf18("7","1","5","4","1","7","1") = "6"
    & skf18("7","1","5","4","1","8","1") = "7"
    & skf18("7","1","5","4","1","9","1") = "8"
    & skf18("7","1","5","4","1","10","1") = "9"
    & skf18("7","1","5","4","2","1","1") = "6"
    & skf18("7","1","5","4","2","2","1") = "6"
    & skf18("7","1","5","4","2","3","1") = "6"
    & skf18("7","1","5","4","2","4","1") = "6"
    & skf18("7","1","5","4","2","5","1") = "6"
    & skf18("7","1","5","4","2","6","1") = "6"
    & skf18("7","1","5","4","2","7","1") = "6"
    & skf18("7","1","5","4","2","8","1") = "7"
    & skf18("7","1","5","4","2","9","1") = "8"
    & skf18("7","1","5","4","2","10","1") = "9"
    & skf18("7","1","5","4","3","1","1") = "6"
    & skf18("7","1","5","4","3","2","1") = "6"
    & skf18("7","1","5","4","3","3","1") = "6"
    & skf18("7","1","5","4","3","4","1") = "6"
    & skf18("7","1","5","4","3","5","1") = "6"
    & skf18("7","1","5","4","3","6","1") = "6"
    & skf18("7","1","5","4","3","7","1") = "6"
    & skf18("7","1","5","4","3","8","1") = "7"
    & skf18("7","1","5","4","3","9","1") = "8"
    & skf18("7","1","5","4","3","10","1") = "9"
    & skf18("7","1","5","4","4","1","1") = "6"
    & skf18("7","1","5","4","4","2","1") = "6"
    & skf18("7","1","5","4","4","3","1") = "6"
    & skf18("7","1","5","4","4","4","1") = "6"
    & skf18("7","1","5","4","4","5","1") = "6"
    & skf18("7","1","5","4","4","6","1") = "6"
    & skf18("7","1","5","4","4","7","1") = "6"
    & skf18("7","1","5","4","4","8","1") = "7"
    & skf18("7","1","5","4","4","9","1") = "8"
    & skf18("7","1","5","4","4","10","1") = "9"
    & skf18("7","1","5","4","5","1","1") = "6"
    & skf18("7","1","5","4","5","2","1") = "6"
    & skf18("7","1","5","4","5","3","1") = "6"
    & skf18("7","1","5","4","5","4","1") = "6"
    & skf18("7","1","5","4","5","5","1") = "6"
    & skf18("7","1","5","4","5","6","1") = "6"
    & skf18("7","1","5","4","5","7","1") = "6"
    & skf18("7","1","5","4","5","8","1") = "7"
    & skf18("7","1","5","4","5","9","1") = "8"
    & skf18("7","1","5","4","5","10","1") = "9"
    & skf18("7","1","5","4","6","1","1") = "6"
    & skf18("7","1","5","4","6","2","1") = "6"
    & skf18("7","1","5","4","6","3","1") = "6"
    & skf18("7","1","5","4","6","4","1") = "6"
    & skf18("7","1","5","4","6","5","1") = "6"
    & skf18("7","1","5","4","6","6","1") = "6"
    & skf18("7","1","5","4","6","7","1") = "6"
    & skf18("7","1","5","4","6","8","1") = "7"
    & skf18("7","1","5","4","6","9","1") = "8"
    & skf18("7","1","5","4","6","10","1") = "9"
    & skf18("7","1","5","4","7","1","1") = "6"
    & skf18("7","1","5","4","7","2","1") = "6"
    & skf18("7","1","5","4","7","3","1") = "6"
    & skf18("7","1","5","4","7","4","1") = "6"
    & skf18("7","1","5","4","7","5","1") = "6"
    & skf18("7","1","5","4","7","6","1") = "6"
    & skf18("7","1","5","4","7","7","1") = "6"
    & skf18("7","1","5","4","7","8","1") = "7"
    & skf18("7","1","5","4","7","9","1") = "8"
    & skf18("7","1","5","4","7","10","1") = "9"
    & skf18("7","1","5","4","8","1","1") = "7"
    & skf18("7","1","5","4","8","2","1") = "7"
    & skf18("7","1","5","4","8","3","1") = "7"
    & skf18("7","1","5","4","8","4","1") = "7"
    & skf18("7","1","5","4","8","5","1") = "7"
    & skf18("7","1","5","4","8","6","1") = "7"
    & skf18("7","1","5","4","8","7","1") = "7"
    & skf18("7","1","5","4","8","8","1") = "7"
    & skf18("7","1","5","4","8","9","1") = "8"
    & skf18("7","1","5","4","8","10","1") = "9"
    & skf18("7","1","5","4","9","1","1") = "8"
    & skf18("7","1","5","4","9","2","1") = "8"
    & skf18("7","1","5","4","9","3","1") = "8"
    & skf18("7","1","5","4","9","4","1") = "8"
    & skf18("7","1","5","4","9","5","1") = "8"
    & skf18("7","1","5","4","9","6","1") = "8"
    & skf18("7","1","5","4","9","7","1") = "8"
    & skf18("7","1","5","4","9","8","1") = "8"
    & skf18("7","1","5","4","9","9","1") = "8"
    & skf18("7","1","5","4","9","10","1") = "9"
    & skf18("7","1","5","4","10","1","1") = "9"
    & skf18("7","1","5","4","10","2","1") = "9"
    & skf18("7","1","5","4","10","3","1") = "9"
    & skf18("7","1","5","4","10","4","1") = "9"
    & skf18("7","1","5","4","10","5","1") = "9"
    & skf18("7","1","5","4","10","6","1") = "9"
    & skf18("7","1","5","4","10","7","1") = "9"
    & skf18("7","1","5","4","10","8","1") = "9"
    & skf18("7","1","5","4","10","9","1") = "9"
    & skf18("7","1","5","4","10","10","1") = "9"
    & skf18("7","1","5","5","1","1","1") = "6"
    & skf18("7","1","5","5","1","2","1") = "6"
    & skf18("7","1","5","5","1","3","1") = "6"
    & skf18("7","1","5","5","1","4","1") = "6"
    & skf18("7","1","5","5","1","5","1") = "6"
    & skf18("7","1","5","5","1","6","1") = "6"
    & skf18("7","1","5","5","1","7","1") = "6"
    & skf18("7","1","5","5","1","8","1") = "7"
    & skf18("7","1","5","5","1","9","1") = "8"
    & skf18("7","1","5","5","1","10","1") = "9"
    & skf18("7","1","5","5","2","1","1") = "6"
    & skf18("7","1","5","5","2","2","1") = "6"
    & skf18("7","1","5","5","2","3","1") = "6"
    & skf18("7","1","5","5","2","4","1") = "6"
    & skf18("7","1","5","5","2","5","1") = "6"
    & skf18("7","1","5","5","2","6","1") = "6"
    & skf18("7","1","5","5","2","7","1") = "6"
    & skf18("7","1","5","5","2","8","1") = "7"
    & skf18("7","1","5","5","2","9","1") = "8"
    & skf18("7","1","5","5","2","10","1") = "9"
    & skf18("7","1","5","5","3","1","1") = "6"
    & skf18("7","1","5","5","3","2","1") = "6"
    & skf18("7","1","5","5","3","3","1") = "6"
    & skf18("7","1","5","5","3","4","1") = "6"
    & skf18("7","1","5","5","3","5","1") = "6"
    & skf18("7","1","5","5","3","6","1") = "6"
    & skf18("7","1","5","5","3","7","1") = "6"
    & skf18("7","1","5","5","3","8","1") = "7"
    & skf18("7","1","5","5","3","9","1") = "8"
    & skf18("7","1","5","5","3","10","1") = "9"
    & skf18("7","1","5","5","4","1","1") = "6"
    & skf18("7","1","5","5","4","2","1") = "6"
    & skf18("7","1","5","5","4","3","1") = "6"
    & skf18("7","1","5","5","4","4","1") = "6"
    & skf18("7","1","5","5","4","5","1") = "6"
    & skf18("7","1","5","5","4","6","1") = "6"
    & skf18("7","1","5","5","4","7","1") = "6"
    & skf18("7","1","5","5","4","8","1") = "7"
    & skf18("7","1","5","5","4","9","1") = "8"
    & skf18("7","1","5","5","4","10","1") = "9"
    & skf18("7","1","5","5","5","1","1") = "6"
    & skf18("7","1","5","5","5","2","1") = "6"
    & skf18("7","1","5","5","5","3","1") = "6"
    & skf18("7","1","5","5","5","4","1") = "6"
    & skf18("7","1","5","5","5","5","1") = "6"
    & skf18("7","1","5","5","5","6","1") = "6"
    & skf18("7","1","5","5","5","7","1") = "6"
    & skf18("7","1","5","5","5","8","1") = "7"
    & skf18("7","1","5","5","5","9","1") = "8"
    & skf18("7","1","5","5","5","10","1") = "9"
    & skf18("7","1","5","5","6","1","1") = "6"
    & skf18("7","1","5","5","6","2","1") = "6"
    & skf18("7","1","5","5","6","3","1") = "6"
    & skf18("7","1","5","5","6","4","1") = "6"
    & skf18("7","1","5","5","6","5","1") = "6"
    & skf18("7","1","5","5","6","6","1") = "6"
    & skf18("7","1","5","5","6","7","1") = "6"
    & skf18("7","1","5","5","6","8","1") = "7"
    & skf18("7","1","5","5","6","9","1") = "8"
    & skf18("7","1","5","5","6","10","1") = "9"
    & skf18("7","1","5","5","7","1","1") = "6"
    & skf18("7","1","5","5","7","2","1") = "6"
    & skf18("7","1","5","5","7","3","1") = "6"
    & skf18("7","1","5","5","7","4","1") = "6"
    & skf18("7","1","5","5","7","5","1") = "6"
    & skf18("7","1","5","5","7","6","1") = "6"
    & skf18("7","1","5","5","7","7","1") = "6"
    & skf18("7","1","5","5","7","8","1") = "7"
    & skf18("7","1","5","5","7","9","1") = "8"
    & skf18("7","1","5","5","7","10","1") = "9"
    & skf18("7","1","5","5","8","1","1") = "7"
    & skf18("7","1","5","5","8","2","1") = "7"
    & skf18("7","1","5","5","8","3","1") = "7"
    & skf18("7","1","5","5","8","4","1") = "7"
    & skf18("7","1","5","5","8","5","1") = "7"
    & skf18("7","1","5","5","8","6","1") = "7"
    & skf18("7","1","5","5","8","7","1") = "7"
    & skf18("7","1","5","5","8","8","1") = "7"
    & skf18("7","1","5","5","8","9","1") = "8"
    & skf18("7","1","5","5","8","10","1") = "9"
    & skf18("7","1","5","5","9","1","1") = "8"
    & skf18("7","1","5","5","9","2","1") = "8"
    & skf18("7","1","5","5","9","3","1") = "8"
    & skf18("7","1","5","5","9","4","1") = "8"
    & skf18("7","1","5","5","9","5","1") = "8"
    & skf18("7","1","5","5","9","6","1") = "8"
    & skf18("7","1","5","5","9","7","1") = "8"
    & skf18("7","1","5","5","9","8","1") = "8"
    & skf18("7","1","5","5","9","9","1") = "8"
    & skf18("7","1","5","5","9","10","1") = "9"
    & skf18("7","1","5","5","10","1","1") = "9"
    & skf18("7","1","5","5","10","2","1") = "9"
    & skf18("7","1","5","5","10","3","1") = "9"
    & skf18("7","1","5","5","10","4","1") = "9"
    & skf18("7","1","5","5","10","5","1") = "9"
    & skf18("7","1","5","5","10","6","1") = "9"
    & skf18("7","1","5","5","10","7","1") = "9"
    & skf18("7","1","5","5","10","8","1") = "9"
    & skf18("7","1","5","5","10","9","1") = "9"
    & skf18("7","1","5","5","10","10","1") = "9"
    & skf18("7","1","5","6","1","1","1") = "6"
    & skf18("7","1","5","6","1","2","1") = "6"
    & skf18("7","1","5","6","1","3","1") = "6"
    & skf18("7","1","5","6","1","4","1") = "6"
    & skf18("7","1","5","6","1","5","1") = "6"
    & skf18("7","1","5","6","1","6","1") = "6"
    & skf18("7","1","5","6","1","7","1") = "6"
    & skf18("7","1","5","6","1","8","1") = "7"
    & skf18("7","1","5","6","1","9","1") = "8"
    & skf18("7","1","5","6","1","10","1") = "9"
    & skf18("7","1","5","6","2","1","1") = "6"
    & skf18("7","1","5","6","2","2","1") = "6"
    & skf18("7","1","5","6","2","3","1") = "6"
    & skf18("7","1","5","6","2","4","1") = "6"
    & skf18("7","1","5","6","2","5","1") = "6"
    & skf18("7","1","5","6","2","6","1") = "6"
    & skf18("7","1","5","6","2","7","1") = "6"
    & skf18("7","1","5","6","2","8","1") = "7"
    & skf18("7","1","5","6","2","9","1") = "8"
    & skf18("7","1","5","6","2","10","1") = "9"
    & skf18("7","1","5","6","3","1","1") = "6"
    & skf18("7","1","5","6","3","2","1") = "6"
    & skf18("7","1","5","6","3","3","1") = "6"
    & skf18("7","1","5","6","3","4","1") = "6"
    & skf18("7","1","5","6","3","5","1") = "6"
    & skf18("7","1","5","6","3","6","1") = "6"
    & skf18("7","1","5","6","3","7","1") = "6"
    & skf18("7","1","5","6","3","8","1") = "7"
    & skf18("7","1","5","6","3","9","1") = "8"
    & skf18("7","1","5","6","3","10","1") = "9"
    & skf18("7","1","5","6","4","1","1") = "6"
    & skf18("7","1","5","6","4","2","1") = "6"
    & skf18("7","1","5","6","4","3","1") = "6"
    & skf18("7","1","5","6","4","4","1") = "6"
    & skf18("7","1","5","6","4","5","1") = "6"
    & skf18("7","1","5","6","4","6","1") = "6"
    & skf18("7","1","5","6","4","7","1") = "6"
    & skf18("7","1","5","6","4","8","1") = "7"
    & skf18("7","1","5","6","4","9","1") = "8"
    & skf18("7","1","5","6","4","10","1") = "9"
    & skf18("7","1","5","6","5","1","1") = "6"
    & skf18("7","1","5","6","5","2","1") = "6"
    & skf18("7","1","5","6","5","3","1") = "6"
    & skf18("7","1","5","6","5","4","1") = "6"
    & skf18("7","1","5","6","5","5","1") = "6"
    & skf18("7","1","5","6","5","6","1") = "6"
    & skf18("7","1","5","6","5","7","1") = "6"
    & skf18("7","1","5","6","5","8","1") = "7"
    & skf18("7","1","5","6","5","9","1") = "8"
    & skf18("7","1","5","6","5","10","1") = "9"
    & skf18("7","1","5","6","6","1","1") = "6"
    & skf18("7","1","5","6","6","2","1") = "6"
    & skf18("7","1","5","6","6","3","1") = "6"
    & skf18("7","1","5","6","6","4","1") = "6"
    & skf18("7","1","5","6","6","5","1") = "6"
    & skf18("7","1","5","6","6","6","1") = "6"
    & skf18("7","1","5","6","6","7","1") = "6"
    & skf18("7","1","5","6","6","8","1") = "7"
    & skf18("7","1","5","6","6","9","1") = "8"
    & skf18("7","1","5","6","6","10","1") = "9"
    & skf18("7","1","5","6","7","1","1") = "6"
    & skf18("7","1","5","6","7","2","1") = "6"
    & skf18("7","1","5","6","7","3","1") = "6"
    & skf18("7","1","5","6","7","4","1") = "6"
    & skf18("7","1","5","6","7","5","1") = "6"
    & skf18("7","1","5","6","7","6","1") = "6"
    & skf18("7","1","5","6","7","7","1") = "6"
    & skf18("7","1","5","6","7","8","1") = "7"
    & skf18("7","1","5","6","7","9","1") = "8"
    & skf18("7","1","5","6","7","10","1") = "9"
    & skf18("7","1","5","6","8","1","1") = "7"
    & skf18("7","1","5","6","8","2","1") = "7"
    & skf18("7","1","5","6","8","3","1") = "7"
    & skf18("7","1","5","6","8","4","1") = "7"
    & skf18("7","1","5","6","8","5","1") = "7"
    & skf18("7","1","5","6","8","6","1") = "7"
    & skf18("7","1","5","6","8","7","1") = "7"
    & skf18("7","1","5","6","8","8","1") = "7"
    & skf18("7","1","5","6","8","9","1") = "8"
    & skf18("7","1","5","6","8","10","1") = "9"
    & skf18("7","1","5","6","9","1","1") = "8"
    & skf18("7","1","5","6","9","2","1") = "8"
    & skf18("7","1","5","6","9","3","1") = "8"
    & skf18("7","1","5","6","9","4","1") = "8"
    & skf18("7","1","5","6","9","5","1") = "8"
    & skf18("7","1","5","6","9","6","1") = "8"
    & skf18("7","1","5","6","9","7","1") = "8"
    & skf18("7","1","5","6","9","8","1") = "8"
    & skf18("7","1","5","6","9","9","1") = "8"
    & skf18("7","1","5","6","9","10","1") = "9"
    & skf18("7","1","5","6","10","1","1") = "9"
    & skf18("7","1","5","6","10","2","1") = "9"
    & skf18("7","1","5","6","10","3","1") = "9"
    & skf18("7","1","5","6","10","4","1") = "9"
    & skf18("7","1","5","6","10","5","1") = "9"
    & skf18("7","1","5","6","10","6","1") = "9"
    & skf18("7","1","5","6","10","7","1") = "9"
    & skf18("7","1","5","6","10","8","1") = "9"
    & skf18("7","1","5","6","10","9","1") = "9"
    & skf18("7","1","5","6","10","10","1") = "9"
    & skf18("7","1","5","7","1","1","1") = "6"
    & skf18("7","1","5","7","1","2","1") = "6"
    & skf18("7","1","5","7","1","3","1") = "6"
    & skf18("7","1","5","7","1","4","1") = "6"
    & skf18("7","1","5","7","1","5","1") = "6"
    & skf18("7","1","5","7","1","6","1") = "6"
    & skf18("7","1","5","7","1","7","1") = "6"
    & skf18("7","1","5","7","1","8","1") = "7"
    & skf18("7","1","5","7","1","9","1") = "8"
    & skf18("7","1","5","7","1","10","1") = "9"
    & skf18("7","1","5","7","2","1","1") = "6"
    & skf18("7","1","5","7","2","2","1") = "6"
    & skf18("7","1","5","7","2","3","1") = "6"
    & skf18("7","1","5","7","2","4","1") = "6"
    & skf18("7","1","5","7","2","5","1") = "6"
    & skf18("7","1","5","7","2","6","1") = "6"
    & skf18("7","1","5","7","2","7","1") = "6"
    & skf18("7","1","5","7","2","8","1") = "7"
    & skf18("7","1","5","7","2","9","1") = "8"
    & skf18("7","1","5","7","2","10","1") = "9"
    & skf18("7","1","5","7","3","1","1") = "6"
    & skf18("7","1","5","7","3","2","1") = "6"
    & skf18("7","1","5","7","3","3","1") = "6"
    & skf18("7","1","5","7","3","4","1") = "6"
    & skf18("7","1","5","7","3","5","1") = "6"
    & skf18("7","1","5","7","3","6","1") = "6"
    & skf18("7","1","5","7","3","7","1") = "6"
    & skf18("7","1","5","7","3","8","1") = "7"
    & skf18("7","1","5","7","3","9","1") = "8"
    & skf18("7","1","5","7","3","10","1") = "9"
    & skf18("7","1","5","7","4","1","1") = "6"
    & skf18("7","1","5","7","4","2","1") = "6"
    & skf18("7","1","5","7","4","3","1") = "6"
    & skf18("7","1","5","7","4","4","1") = "6"
    & skf18("7","1","5","7","4","5","1") = "6"
    & skf18("7","1","5","7","4","6","1") = "6"
    & skf18("7","1","5","7","4","7","1") = "6"
    & skf18("7","1","5","7","4","8","1") = "7"
    & skf18("7","1","5","7","4","9","1") = "8"
    & skf18("7","1","5","7","4","10","1") = "9"
    & skf18("7","1","5","7","5","1","1") = "6"
    & skf18("7","1","5","7","5","2","1") = "6"
    & skf18("7","1","5","7","5","3","1") = "6"
    & skf18("7","1","5","7","5","4","1") = "6"
    & skf18("7","1","5","7","5","5","1") = "6"
    & skf18("7","1","5","7","5","6","1") = "6"
    & skf18("7","1","5","7","5","7","1") = "6"
    & skf18("7","1","5","7","5","8","1") = "7"
    & skf18("7","1","5","7","5","9","1") = "8"
    & skf18("7","1","5","7","5","10","1") = "9"
    & skf18("7","1","5","7","6","1","1") = "6"
    & skf18("7","1","5","7","6","2","1") = "6"
    & skf18("7","1","5","7","6","3","1") = "6"
    & skf18("7","1","5","7","6","4","1") = "6"
    & skf18("7","1","5","7","6","5","1") = "6"
    & skf18("7","1","5","7","6","6","1") = "6"
    & skf18("7","1","5","7","6","7","1") = "6"
    & skf18("7","1","5","7","6","8","1") = "7"
    & skf18("7","1","5","7","6","9","1") = "8"
    & skf18("7","1","5","7","6","10","1") = "9"
    & skf18("7","1","5","7","7","1","1") = "6"
    & skf18("7","1","5","7","7","2","1") = "6"
    & skf18("7","1","5","7","7","3","1") = "6"
    & skf18("7","1","5","7","7","4","1") = "6"
    & skf18("7","1","5","7","7","5","1") = "6"
    & skf18("7","1","5","7","7","6","1") = "6"
    & skf18("7","1","5","7","7","7","1") = "6"
    & skf18("7","1","5","7","7","8","1") = "7"
    & skf18("7","1","5","7","7","9","1") = "8"
    & skf18("7","1","5","7","7","10","1") = "9"
    & skf18("7","1","5","7","8","1","1") = "7"
    & skf18("7","1","5","7","8","2","1") = "7"
    & skf18("7","1","5","7","8","3","1") = "7"
    & skf18("7","1","5","7","8","4","1") = "7"
    & skf18("7","1","5","7","8","5","1") = "7"
    & skf18("7","1","5","7","8","6","1") = "7"
    & skf18("7","1","5","7","8","7","1") = "7"
    & skf18("7","1","5","7","8","8","1") = "7"
    & skf18("7","1","5","7","8","9","1") = "8"
    & skf18("7","1","5","7","8","10","1") = "9"
    & skf18("7","1","5","7","9","1","1") = "8"
    & skf18("7","1","5","7","9","2","1") = "8"
    & skf18("7","1","5","7","9","3","1") = "8"
    & skf18("7","1","5","7","9","4","1") = "8"
    & skf18("7","1","5","7","9","5","1") = "8"
    & skf18("7","1","5","7","9","6","1") = "8"
    & skf18("7","1","5","7","9","7","1") = "8"
    & skf18("7","1","5","7","9","8","1") = "8"
    & skf18("7","1","5","7","9","9","1") = "8"
    & skf18("7","1","5","7","9","10","1") = "9"
    & skf18("7","1","5","7","10","1","1") = "9"
    & skf18("7","1","5","7","10","2","1") = "9"
    & skf18("7","1","5","7","10","3","1") = "9"
    & skf18("7","1","5","7","10","4","1") = "9"
    & skf18("7","1","5","7","10","5","1") = "9"
    & skf18("7","1","5","7","10","6","1") = "9"
    & skf18("7","1","5","7","10","7","1") = "9"
    & skf18("7","1","5","7","10","8","1") = "9"
    & skf18("7","1","5","7","10","9","1") = "9"
    & skf18("7","1","5","7","10","10","1") = "9"
    & skf18("7","1","5","8","1","1","1") = "7"
    & skf18("7","1","5","8","1","2","1") = "7"
    & skf18("7","1","5","8","1","3","1") = "7"
    & skf18("7","1","5","8","1","4","1") = "7"
    & skf18("7","1","5","8","1","5","1") = "7"
    & skf18("7","1","5","8","1","6","1") = "7"
    & skf18("7","1","5","8","1","7","1") = "7"
    & skf18("7","1","5","8","1","8","1") = "7"
    & skf18("7","1","5","8","1","9","1") = "8"
    & skf18("7","1","5","8","1","10","1") = "9"
    & skf18("7","1","5","8","2","1","1") = "7"
    & skf18("7","1","5","8","2","2","1") = "7"
    & skf18("7","1","5","8","2","3","1") = "7"
    & skf18("7","1","5","8","2","4","1") = "7"
    & skf18("7","1","5","8","2","5","1") = "7"
    & skf18("7","1","5","8","2","6","1") = "7"
    & skf18("7","1","5","8","2","7","1") = "7"
    & skf18("7","1","5","8","2","8","1") = "7"
    & skf18("7","1","5","8","2","9","1") = "8"
    & skf18("7","1","5","8","2","10","1") = "9"
    & skf18("7","1","5","8","3","1","1") = "7"
    & skf18("7","1","5","8","3","2","1") = "7"
    & skf18("7","1","5","8","3","3","1") = "7"
    & skf18("7","1","5","8","3","4","1") = "7"
    & skf18("7","1","5","8","3","5","1") = "7"
    & skf18("7","1","5","8","3","6","1") = "7"
    & skf18("7","1","5","8","3","7","1") = "7"
    & skf18("7","1","5","8","3","8","1") = "7"
    & skf18("7","1","5","8","3","9","1") = "8"
    & skf18("7","1","5","8","3","10","1") = "9"
    & skf18("7","1","5","8","4","1","1") = "7"
    & skf18("7","1","5","8","4","2","1") = "7"
    & skf18("7","1","5","8","4","3","1") = "7"
    & skf18("7","1","5","8","4","4","1") = "7"
    & skf18("7","1","5","8","4","5","1") = "7"
    & skf18("7","1","5","8","4","6","1") = "7"
    & skf18("7","1","5","8","4","7","1") = "7"
    & skf18("7","1","5","8","4","8","1") = "7"
    & skf18("7","1","5","8","4","9","1") = "8"
    & skf18("7","1","5","8","4","10","1") = "9"
    & skf18("7","1","5","8","5","1","1") = "7"
    & skf18("7","1","5","8","5","2","1") = "7"
    & skf18("7","1","5","8","5","3","1") = "7"
    & skf18("7","1","5","8","5","4","1") = "7"
    & skf18("7","1","5","8","5","5","1") = "7"
    & skf18("7","1","5","8","5","6","1") = "7"
    & skf18("7","1","5","8","5","7","1") = "7"
    & skf18("7","1","5","8","5","8","1") = "7"
    & skf18("7","1","5","8","5","9","1") = "8"
    & skf18("7","1","5","8","5","10","1") = "9"
    & skf18("7","1","5","8","6","1","1") = "7"
    & skf18("7","1","5","8","6","2","1") = "7"
    & skf18("7","1","5","8","6","3","1") = "7"
    & skf18("7","1","5","8","6","4","1") = "7"
    & skf18("7","1","5","8","6","5","1") = "7"
    & skf18("7","1","5","8","6","6","1") = "7"
    & skf18("7","1","5","8","6","7","1") = "7"
    & skf18("7","1","5","8","6","8","1") = "7"
    & skf18("7","1","5","8","6","9","1") = "8"
    & skf18("7","1","5","8","6","10","1") = "9"
    & skf18("7","1","5","8","7","1","1") = "7"
    & skf18("7","1","5","8","7","2","1") = "7"
    & skf18("7","1","5","8","7","3","1") = "7"
    & skf18("7","1","5","8","7","4","1") = "7"
    & skf18("7","1","5","8","7","5","1") = "7"
    & skf18("7","1","5","8","7","6","1") = "7"
    & skf18("7","1","5","8","7","7","1") = "7"
    & skf18("7","1","5","8","7","8","1") = "7"
    & skf18("7","1","5","8","7","9","1") = "8"
    & skf18("7","1","5","8","7","10","1") = "9"
    & skf18("7","1","5","8","8","1","1") = "7"
    & skf18("7","1","5","8","8","2","1") = "7"
    & skf18("7","1","5","8","8","3","1") = "7"
    & skf18("7","1","5","8","8","4","1") = "7"
    & skf18("7","1","5","8","8","5","1") = "7"
    & skf18("7","1","5","8","8","6","1") = "7"
    & skf18("7","1","5","8","8","7","1") = "7"
    & skf18("7","1","5","8","8","8","1") = "7"
    & skf18("7","1","5","8","8","9","1") = "8"
    & skf18("7","1","5","8","8","10","1") = "9"
    & skf18("7","1","5","8","9","1","1") = "8"
    & skf18("7","1","5","8","9","2","1") = "8"
    & skf18("7","1","5","8","9","3","1") = "8"
    & skf18("7","1","5","8","9","4","1") = "8"
    & skf18("7","1","5","8","9","5","1") = "8"
    & skf18("7","1","5","8","9","6","1") = "8"
    & skf18("7","1","5","8","9","7","1") = "8"
    & skf18("7","1","5","8","9","8","1") = "8"
    & skf18("7","1","5","8","9","9","1") = "8"
    & skf18("7","1","5","8","9","10","1") = "9"
    & skf18("7","1","5","8","10","1","1") = "9"
    & skf18("7","1","5","8","10","2","1") = "9"
    & skf18("7","1","5","8","10","3","1") = "9"
    & skf18("7","1","5","8","10","4","1") = "9"
    & skf18("7","1","5","8","10","5","1") = "9"
    & skf18("7","1","5","8","10","6","1") = "9"
    & skf18("7","1","5","8","10","7","1") = "9"
    & skf18("7","1","5","8","10","8","1") = "9"
    & skf18("7","1","5","8","10","9","1") = "9"
    & skf18("7","1","5","8","10","10","1") = "9"
    & skf18("7","1","5","9","1","1","1") = "8"
    & skf18("7","1","5","9","1","2","1") = "8"
    & skf18("7","1","5","9","1","3","1") = "8"
    & skf18("7","1","5","9","1","4","1") = "8"
    & skf18("7","1","5","9","1","5","1") = "8"
    & skf18("7","1","5","9","1","6","1") = "8"
    & skf18("7","1","5","9","1","7","1") = "8"
    & skf18("7","1","5","9","1","8","1") = "8"
    & skf18("7","1","5","9","1","9","1") = "8"
    & skf18("7","1","5","9","1","10","1") = "9"
    & skf18("7","1","5","9","2","1","1") = "8"
    & skf18("7","1","5","9","2","2","1") = "8"
    & skf18("7","1","5","9","2","3","1") = "8"
    & skf18("7","1","5","9","2","4","1") = "8"
    & skf18("7","1","5","9","2","5","1") = "8"
    & skf18("7","1","5","9","2","6","1") = "8"
    & skf18("7","1","5","9","2","7","1") = "8"
    & skf18("7","1","5","9","2","8","1") = "8"
    & skf18("7","1","5","9","2","9","1") = "8"
    & skf18("7","1","5","9","2","10","1") = "9"
    & skf18("7","1","5","9","3","1","1") = "8"
    & skf18("7","1","5","9","3","2","1") = "8"
    & skf18("7","1","5","9","3","3","1") = "8"
    & skf18("7","1","5","9","3","4","1") = "8"
    & skf18("7","1","5","9","3","5","1") = "8"
    & skf18("7","1","5","9","3","6","1") = "8"
    & skf18("7","1","5","9","3","7","1") = "8"
    & skf18("7","1","5","9","3","8","1") = "8"
    & skf18("7","1","5","9","3","9","1") = "8"
    & skf18("7","1","5","9","3","10","1") = "9"
    & skf18("7","1","5","9","4","1","1") = "8"
    & skf18("7","1","5","9","4","2","1") = "8"
    & skf18("7","1","5","9","4","3","1") = "8"
    & skf18("7","1","5","9","4","4","1") = "8"
    & skf18("7","1","5","9","4","5","1") = "8"
    & skf18("7","1","5","9","4","6","1") = "8"
    & skf18("7","1","5","9","4","7","1") = "8"
    & skf18("7","1","5","9","4","8","1") = "8"
    & skf18("7","1","5","9","4","9","1") = "8"
    & skf18("7","1","5","9","4","10","1") = "9"
    & skf18("7","1","5","9","5","1","1") = "8"
    & skf18("7","1","5","9","5","2","1") = "8"
    & skf18("7","1","5","9","5","3","1") = "8"
    & skf18("7","1","5","9","5","4","1") = "8"
    & skf18("7","1","5","9","5","5","1") = "8"
    & skf18("7","1","5","9","5","6","1") = "8"
    & skf18("7","1","5","9","5","7","1") = "8"
    & skf18("7","1","5","9","5","8","1") = "8"
    & skf18("7","1","5","9","5","9","1") = "8"
    & skf18("7","1","5","9","5","10","1") = "9"
    & skf18("7","1","5","9","6","1","1") = "8"
    & skf18("7","1","5","9","6","2","1") = "8"
    & skf18("7","1","5","9","6","3","1") = "8"
    & skf18("7","1","5","9","6","4","1") = "8"
    & skf18("7","1","5","9","6","5","1") = "8"
    & skf18("7","1","5","9","6","6","1") = "8"
    & skf18("7","1","5","9","6","7","1") = "8"
    & skf18("7","1","5","9","6","8","1") = "8"
    & skf18("7","1","5","9","6","9","1") = "8"
    & skf18("7","1","5","9","6","10","1") = "9"
    & skf18("7","1","5","9","7","1","1") = "8"
    & skf18("7","1","5","9","7","2","1") = "8"
    & skf18("7","1","5","9","7","3","1") = "8"
    & skf18("7","1","5","9","7","4","1") = "8"
    & skf18("7","1","5","9","7","5","1") = "8"
    & skf18("7","1","5","9","7","6","1") = "8"
    & skf18("7","1","5","9","7","7","1") = "8"
    & skf18("7","1","5","9","7","8","1") = "8"
    & skf18("7","1","5","9","7","9","1") = "8"
    & skf18("7","1","5","9","7","10","1") = "9"
    & skf18("7","1","5","9","8","1","1") = "8"
    & skf18("7","1","5","9","8","2","1") = "8"
    & skf18("7","1","5","9","8","3","1") = "8"
    & skf18("7","1","5","9","8","4","1") = "8"
    & skf18("7","1","5","9","8","5","1") = "8"
    & skf18("7","1","5","9","8","6","1") = "8"
    & skf18("7","1","5","9","8","7","1") = "8"
    & skf18("7","1","5","9","8","8","1") = "8"
    & skf18("7","1","5","9","8","9","1") = "8"
    & skf18("7","1","5","9","8","10","1") = "9"
    & skf18("7","1","5","9","9","1","1") = "8"
    & skf18("7","1","5","9","9","2","1") = "8"
    & skf18("7","1","5","9","9","3","1") = "8"
    & skf18("7","1","5","9","9","4","1") = "8"
    & skf18("7","1","5","9","9","5","1") = "8"
    & skf18("7","1","5","9","9","6","1") = "8"
    & skf18("7","1","5","9","9","7","1") = "8"
    & skf18("7","1","5","9","9","8","1") = "8"
    & skf18("7","1","5","9","9","9","1") = "8"
    & skf18("7","1","5","9","9","10","1") = "9"
    & skf18("7","1","5","9","10","1","1") = "9"
    & skf18("7","1","5","9","10","2","1") = "9"
    & skf18("7","1","5","9","10","3","1") = "9"
    & skf18("7","1","5","9","10","4","1") = "9"
    & skf18("7","1","5","9","10","5","1") = "9"
    & skf18("7","1","5","9","10","6","1") = "9"
    & skf18("7","1","5","9","10","7","1") = "9"
    & skf18("7","1","5","9","10","8","1") = "9"
    & skf18("7","1","5","9","10","9","1") = "9"
    & skf18("7","1","5","9","10","10","1") = "9"
    & skf18("7","1","5","10","1","1","1") = "9"
    & skf18("7","1","5","10","1","2","1") = "9"
    & skf18("7","1","5","10","1","3","1") = "9"
    & skf18("7","1","5","10","1","4","1") = "9"
    & skf18("7","1","5","10","1","5","1") = "9"
    & skf18("7","1","5","10","1","6","1") = "9"
    & skf18("7","1","5","10","1","7","1") = "9"
    & skf18("7","1","5","10","1","8","1") = "9"
    & skf18("7","1","5","10","1","9","1") = "9"
    & skf18("7","1","5","10","1","10","1") = "9"
    & skf18("7","1","5","10","2","1","1") = "9"
    & skf18("7","1","5","10","2","2","1") = "9"
    & skf18("7","1","5","10","2","3","1") = "9"
    & skf18("7","1","5","10","2","4","1") = "9"
    & skf18("7","1","5","10","2","5","1") = "9"
    & skf18("7","1","5","10","2","6","1") = "9"
    & skf18("7","1","5","10","2","7","1") = "9"
    & skf18("7","1","5","10","2","8","1") = "9"
    & skf18("7","1","5","10","2","9","1") = "9"
    & skf18("7","1","5","10","2","10","1") = "9"
    & skf18("7","1","5","10","3","1","1") = "9"
    & skf18("7","1","5","10","3","2","1") = "9"
    & skf18("7","1","5","10","3","3","1") = "9"
    & skf18("7","1","5","10","3","4","1") = "9"
    & skf18("7","1","5","10","3","5","1") = "9"
    & skf18("7","1","5","10","3","6","1") = "9"
    & skf18("7","1","5","10","3","7","1") = "9"
    & skf18("7","1","5","10","3","8","1") = "9"
    & skf18("7","1","5","10","3","9","1") = "9"
    & skf18("7","1","5","10","3","10","1") = "9"
    & skf18("7","1","5","10","4","1","1") = "9"
    & skf18("7","1","5","10","4","2","1") = "9"
    & skf18("7","1","5","10","4","3","1") = "9"
    & skf18("7","1","5","10","4","4","1") = "9"
    & skf18("7","1","5","10","4","5","1") = "9"
    & skf18("7","1","5","10","4","6","1") = "9"
    & skf18("7","1","5","10","4","7","1") = "9"
    & skf18("7","1","5","10","4","8","1") = "9"
    & skf18("7","1","5","10","4","9","1") = "9"
    & skf18("7","1","5","10","4","10","1") = "9"
    & skf18("7","1","5","10","5","1","1") = "9"
    & skf18("7","1","5","10","5","2","1") = "9"
    & skf18("7","1","5","10","5","3","1") = "9"
    & skf18("7","1","5","10","5","4","1") = "9"
    & skf18("7","1","5","10","5","5","1") = "9"
    & skf18("7","1","5","10","5","6","1") = "9"
    & skf18("7","1","5","10","5","7","1") = "9"
    & skf18("7","1","5","10","5","8","1") = "9"
    & skf18("7","1","5","10","5","9","1") = "9"
    & skf18("7","1","5","10","5","10","1") = "9"
    & skf18("7","1","5","10","6","1","1") = "9"
    & skf18("7","1","5","10","6","2","1") = "9"
    & skf18("7","1","5","10","6","3","1") = "9"
    & skf18("7","1","5","10","6","4","1") = "9"
    & skf18("7","1","5","10","6","5","1") = "9"
    & skf18("7","1","5","10","6","6","1") = "9"
    & skf18("7","1","5","10","6","7","1") = "9"
    & skf18("7","1","5","10","6","8","1") = "9"
    & skf18("7","1","5","10","6","9","1") = "9"
    & skf18("7","1","5","10","6","10","1") = "9"
    & skf18("7","1","5","10","7","1","1") = "9"
    & skf18("7","1","5","10","7","2","1") = "9"
    & skf18("7","1","5","10","7","3","1") = "9"
    & skf18("7","1","5","10","7","4","1") = "9"
    & skf18("7","1","5","10","7","5","1") = "9"
    & skf18("7","1","5","10","7","6","1") = "9"
    & skf18("7","1","5","10","7","7","1") = "9"
    & skf18("7","1","5","10","7","8","1") = "9"
    & skf18("7","1","5","10","7","9","1") = "9"
    & skf18("7","1","5","10","7","10","1") = "9"
    & skf18("7","1","5","10","8","1","1") = "9"
    & skf18("7","1","5","10","8","2","1") = "9"
    & skf18("7","1","5","10","8","3","1") = "9"
    & skf18("7","1","5","10","8","4","1") = "9"
    & skf18("7","1","5","10","8","5","1") = "9"
    & skf18("7","1","5","10","8","6","1") = "9"
    & skf18("7","1","5","10","8","7","1") = "9"
    & skf18("7","1","5","10","8","8","1") = "9"
    & skf18("7","1","5","10","8","9","1") = "9"
    & skf18("7","1","5","10","8","10","1") = "9"
    & skf18("7","1","5","10","9","1","1") = "9"
    & skf18("7","1","5","10","9","2","1") = "9"
    & skf18("7","1","5","10","9","3","1") = "9"
    & skf18("7","1","5","10","9","4","1") = "9"
    & skf18("7","1","5","10","9","5","1") = "9"
    & skf18("7","1","5","10","9","6","1") = "9"
    & skf18("7","1","5","10","9","7","1") = "9"
    & skf18("7","1","5","10","9","8","1") = "9"
    & skf18("7","1","5","10","9","9","1") = "9"
    & skf18("7","1","5","10","9","10","1") = "9"
    & skf18("7","1","5","10","10","1","1") = "9"
    & skf18("7","1","5","10","10","2","1") = "9"
    & skf18("7","1","5","10","10","3","1") = "9"
    & skf18("7","1","5","10","10","4","1") = "9"
    & skf18("7","1","5","10","10","5","1") = "9"
    & skf18("7","1","5","10","10","6","1") = "9"
    & skf18("7","1","5","10","10","7","1") = "9"
    & skf18("7","1","5","10","10","8","1") = "9"
    & skf18("7","1","5","10","10","9","1") = "9"
    & skf18("7","1","5","10","10","10","1") = "9"
    & skf18("7","1","6","1","1","1","1") = "6"
    & skf18("7","1","6","1","1","2","1") = "6"
    & skf18("7","1","6","1","1","3","1") = "6"
    & skf18("7","1","6","1","1","4","1") = "6"
    & skf18("7","1","6","1","1","5","1") = "6"
    & skf18("7","1","6","1","1","6","1") = "6"
    & skf18("7","1","6","1","1","7","1") = "6"
    & skf18("7","1","6","1","1","8","1") = "7"
    & skf18("7","1","6","1","1","9","1") = "8"
    & skf18("7","1","6","1","1","10","1") = "9"
    & skf18("7","1","6","1","2","1","1") = "6"
    & skf18("7","1","6","1","2","2","1") = "6"
    & skf18("7","1","6","1","2","3","1") = "6"
    & skf18("7","1","6","1","2","4","1") = "6"
    & skf18("7","1","6","1","2","5","1") = "6"
    & skf18("7","1","6","1","2","6","1") = "6"
    & skf18("7","1","6","1","2","7","1") = "6"
    & skf18("7","1","6","1","2","8","1") = "7"
    & skf18("7","1","6","1","2","9","1") = "8"
    & skf18("7","1","6","1","2","10","1") = "9"
    & skf18("7","1","6","1","3","1","1") = "6"
    & skf18("7","1","6","1","3","2","1") = "6"
    & skf18("7","1","6","1","3","3","1") = "6"
    & skf18("7","1","6","1","3","4","1") = "6"
    & skf18("7","1","6","1","3","5","1") = "6"
    & skf18("7","1","6","1","3","6","1") = "6"
    & skf18("7","1","6","1","3","7","1") = "6"
    & skf18("7","1","6","1","3","8","1") = "7"
    & skf18("7","1","6","1","3","9","1") = "8"
    & skf18("7","1","6","1","3","10","1") = "9"
    & skf18("7","1","6","1","4","1","1") = "6"
    & skf18("7","1","6","1","4","2","1") = "6"
    & skf18("7","1","6","1","4","3","1") = "6"
    & skf18("7","1","6","1","4","4","1") = "6"
    & skf18("7","1","6","1","4","5","1") = "6"
    & skf18("7","1","6","1","4","6","1") = "6"
    & skf18("7","1","6","1","4","7","1") = "6"
    & skf18("7","1","6","1","4","8","1") = "7"
    & skf18("7","1","6","1","4","9","1") = "8"
    & skf18("7","1","6","1","4","10","1") = "9"
    & skf18("7","1","6","1","5","1","1") = "6"
    & skf18("7","1","6","1","5","2","1") = "6"
    & skf18("7","1","6","1","5","3","1") = "6"
    & skf18("7","1","6","1","5","4","1") = "6"
    & skf18("7","1","6","1","5","5","1") = "6"
    & skf18("7","1","6","1","5","6","1") = "6"
    & skf18("7","1","6","1","5","7","1") = "6"
    & skf18("7","1","6","1","5","8","1") = "7"
    & skf18("7","1","6","1","5","9","1") = "8"
    & skf18("7","1","6","1","5","10","1") = "9"
    & skf18("7","1","6","1","6","1","1") = "6"
    & skf18("7","1","6","1","6","2","1") = "6"
    & skf18("7","1","6","1","6","3","1") = "6"
    & skf18("7","1","6","1","6","4","1") = "6"
    & skf18("7","1","6","1","6","5","1") = "6"
    & skf18("7","1","6","1","6","6","1") = "6"
    & skf18("7","1","6","1","6","7","1") = "6"
    & skf18("7","1","6","1","6","8","1") = "7"
    & skf18("7","1","6","1","6","9","1") = "8"
    & skf18("7","1","6","1","6","10","1") = "9"
    & skf18("7","1","6","1","7","1","1") = "6"
    & skf18("7","1","6","1","7","2","1") = "6"
    & skf18("7","1","6","1","7","3","1") = "6"
    & skf18("7","1","6","1","7","4","1") = "6"
    & skf18("7","1","6","1","7","5","1") = "6"
    & skf18("7","1","6","1","7","6","1") = "6"
    & skf18("7","1","6","1","7","7","1") = "6"
    & skf18("7","1","6","1","7","8","1") = "7"
    & skf18("7","1","6","1","7","9","1") = "8"
    & skf18("7","1","6","1","7","10","1") = "9"
    & skf18("7","1","6","1","8","1","1") = "7"
    & skf18("7","1","6","1","8","2","1") = "7"
    & skf18("7","1","6","1","8","3","1") = "7"
    & skf18("7","1","6","1","8","4","1") = "7"
    & skf18("7","1","6","1","8","5","1") = "7"
    & skf18("7","1","6","1","8","6","1") = "7"
    & skf18("7","1","6","1","8","7","1") = "7"
    & skf18("7","1","6","1","8","8","1") = "7"
    & skf18("7","1","6","1","8","9","1") = "8"
    & skf18("7","1","6","1","8","10","1") = "9"
    & skf18("7","1","6","1","9","1","1") = "8"
    & skf18("7","1","6","1","9","2","1") = "8"
    & skf18("7","1","6","1","9","3","1") = "8"
    & skf18("7","1","6","1","9","4","1") = "8"
    & skf18("7","1","6","1","9","5","1") = "8"
    & skf18("7","1","6","1","9","6","1") = "8"
    & skf18("7","1","6","1","9","7","1") = "8"
    & skf18("7","1","6","1","9","8","1") = "8"
    & skf18("7","1","6","1","9","9","1") = "8"
    & skf18("7","1","6","1","9","10","1") = "9"
    & skf18("7","1","6","1","10","1","1") = "9"
    & skf18("7","1","6","1","10","2","1") = "9"
    & skf18("7","1","6","1","10","3","1") = "9"
    & skf18("7","1","6","1","10","4","1") = "9"
    & skf18("7","1","6","1","10","5","1") = "9"
    & skf18("7","1","6","1","10","6","1") = "9"
    & skf18("7","1","6","1","10","7","1") = "9"
    & skf18("7","1","6","1","10","8","1") = "9"
    & skf18("7","1","6","1","10","9","1") = "9"
    & skf18("7","1","6","1","10","10","1") = "9"
    & skf18("7","1","6","2","1","1","1") = "6"
    & skf18("7","1","6","2","1","2","1") = "6"
    & skf18("7","1","6","2","1","3","1") = "6"
    & skf18("7","1","6","2","1","4","1") = "6"
    & skf18("7","1","6","2","1","5","1") = "6"
    & skf18("7","1","6","2","1","6","1") = "6"
    & skf18("7","1","6","2","1","7","1") = "6"
    & skf18("7","1","6","2","1","8","1") = "7"
    & skf18("7","1","6","2","1","9","1") = "8"
    & skf18("7","1","6","2","1","10","1") = "9"
    & skf18("7","1","6","2","2","1","1") = "6"
    & skf18("7","1","6","2","2","2","1") = "6"
    & skf18("7","1","6","2","2","3","1") = "6"
    & skf18("7","1","6","2","2","4","1") = "6"
    & skf18("7","1","6","2","2","5","1") = "6"
    & skf18("7","1","6","2","2","6","1") = "6"
    & skf18("7","1","6","2","2","7","1") = "6"
    & skf18("7","1","6","2","2","8","1") = "7"
    & skf18("7","1","6","2","2","9","1") = "8"
    & skf18("7","1","6","2","2","10","1") = "9"
    & skf18("7","1","6","2","3","1","1") = "6"
    & skf18("7","1","6","2","3","2","1") = "6"
    & skf18("7","1","6","2","3","3","1") = "6"
    & skf18("7","1","6","2","3","4","1") = "6"
    & skf18("7","1","6","2","3","5","1") = "6"
    & skf18("7","1","6","2","3","6","1") = "6"
    & skf18("7","1","6","2","3","7","1") = "6"
    & skf18("7","1","6","2","3","8","1") = "7"
    & skf18("7","1","6","2","3","9","1") = "8"
    & skf18("7","1","6","2","3","10","1") = "9"
    & skf18("7","1","6","2","4","1","1") = "6"
    & skf18("7","1","6","2","4","2","1") = "6"
    & skf18("7","1","6","2","4","3","1") = "6"
    & skf18("7","1","6","2","4","4","1") = "6"
    & skf18("7","1","6","2","4","5","1") = "6"
    & skf18("7","1","6","2","4","6","1") = "6"
    & skf18("7","1","6","2","4","7","1") = "6"
    & skf18("7","1","6","2","4","8","1") = "7"
    & skf18("7","1","6","2","4","9","1") = "8"
    & skf18("7","1","6","2","4","10","1") = "9"
    & skf18("7","1","6","2","5","1","1") = "6"
    & skf18("7","1","6","2","5","2","1") = "6"
    & skf18("7","1","6","2","5","3","1") = "6"
    & skf18("7","1","6","2","5","4","1") = "6"
    & skf18("7","1","6","2","5","5","1") = "6"
    & skf18("7","1","6","2","5","6","1") = "6"
    & skf18("7","1","6","2","5","7","1") = "6"
    & skf18("7","1","6","2","5","8","1") = "7"
    & skf18("7","1","6","2","5","9","1") = "8"
    & skf18("7","1","6","2","5","10","1") = "9"
    & skf18("7","1","6","2","6","1","1") = "6"
    & skf18("7","1","6","2","6","2","1") = "6"
    & skf18("7","1","6","2","6","3","1") = "6"
    & skf18("7","1","6","2","6","4","1") = "6"
    & skf18("7","1","6","2","6","5","1") = "6"
    & skf18("7","1","6","2","6","6","1") = "6"
    & skf18("7","1","6","2","6","7","1") = "6"
    & skf18("7","1","6","2","6","8","1") = "7"
    & skf18("7","1","6","2","6","9","1") = "8"
    & skf18("7","1","6","2","6","10","1") = "9"
    & skf18("7","1","6","2","7","1","1") = "6"
    & skf18("7","1","6","2","7","2","1") = "6"
    & skf18("7","1","6","2","7","3","1") = "6"
    & skf18("7","1","6","2","7","4","1") = "6"
    & skf18("7","1","6","2","7","5","1") = "6"
    & skf18("7","1","6","2","7","6","1") = "6"
    & skf18("7","1","6","2","7","7","1") = "6"
    & skf18("7","1","6","2","7","8","1") = "7"
    & skf18("7","1","6","2","7","9","1") = "8"
    & skf18("7","1","6","2","7","10","1") = "9"
    & skf18("7","1","6","2","8","1","1") = "7"
    & skf18("7","1","6","2","8","2","1") = "7"
    & skf18("7","1","6","2","8","3","1") = "7"
    & skf18("7","1","6","2","8","4","1") = "7"
    & skf18("7","1","6","2","8","5","1") = "7"
    & skf18("7","1","6","2","8","6","1") = "7"
    & skf18("7","1","6","2","8","7","1") = "7"
    & skf18("7","1","6","2","8","8","1") = "7"
    & skf18("7","1","6","2","8","9","1") = "8"
    & skf18("7","1","6","2","8","10","1") = "9"
    & skf18("7","1","6","2","9","1","1") = "8"
    & skf18("7","1","6","2","9","2","1") = "8"
    & skf18("7","1","6","2","9","3","1") = "8"
    & skf18("7","1","6","2","9","4","1") = "8"
    & skf18("7","1","6","2","9","5","1") = "8"
    & skf18("7","1","6","2","9","6","1") = "8"
    & skf18("7","1","6","2","9","7","1") = "8"
    & skf18("7","1","6","2","9","8","1") = "8"
    & skf18("7","1","6","2","9","9","1") = "8"
    & skf18("7","1","6","2","9","10","1") = "9"
    & skf18("7","1","6","2","10","1","1") = "9"
    & skf18("7","1","6","2","10","2","1") = "9"
    & skf18("7","1","6","2","10","3","1") = "9"
    & skf18("7","1","6","2","10","4","1") = "9"
    & skf18("7","1","6","2","10","5","1") = "9"
    & skf18("7","1","6","2","10","6","1") = "9"
    & skf18("7","1","6","2","10","7","1") = "9"
    & skf18("7","1","6","2","10","8","1") = "9"
    & skf18("7","1","6","2","10","9","1") = "9"
    & skf18("7","1","6","2","10","10","1") = "9"
    & skf18("7","1","6","3","1","1","1") = "6"
    & skf18("7","1","6","3","1","2","1") = "6"
    & skf18("7","1","6","3","1","3","1") = "6"
    & skf18("7","1","6","3","1","4","1") = "6"
    & skf18("7","1","6","3","1","5","1") = "6"
    & skf18("7","1","6","3","1","6","1") = "6"
    & skf18("7","1","6","3","1","7","1") = "6"
    & skf18("7","1","6","3","1","8","1") = "7"
    & skf18("7","1","6","3","1","9","1") = "8"
    & skf18("7","1","6","3","1","10","1") = "9"
    & skf18("7","1","6","3","2","1","1") = "6"
    & skf18("7","1","6","3","2","2","1") = "6"
    & skf18("7","1","6","3","2","3","1") = "6"
    & skf18("7","1","6","3","2","4","1") = "6"
    & skf18("7","1","6","3","2","5","1") = "6"
    & skf18("7","1","6","3","2","6","1") = "6"
    & skf18("7","1","6","3","2","7","1") = "6"
    & skf18("7","1","6","3","2","8","1") = "7"
    & skf18("7","1","6","3","2","9","1") = "8"
    & skf18("7","1","6","3","2","10","1") = "9"
    & skf18("7","1","6","3","3","1","1") = "6"
    & skf18("7","1","6","3","3","2","1") = "6"
    & skf18("7","1","6","3","3","3","1") = "6"
    & skf18("7","1","6","3","3","4","1") = "6"
    & skf18("7","1","6","3","3","5","1") = "6"
    & skf18("7","1","6","3","3","6","1") = "6"
    & skf18("7","1","6","3","3","7","1") = "6"
    & skf18("7","1","6","3","3","8","1") = "7"
    & skf18("7","1","6","3","3","9","1") = "8"
    & skf18("7","1","6","3","3","10","1") = "9"
    & skf18("7","1","6","3","4","1","1") = "6"
    & skf18("7","1","6","3","4","2","1") = "6"
    & skf18("7","1","6","3","4","3","1") = "6"
    & skf18("7","1","6","3","4","4","1") = "6"
    & skf18("7","1","6","3","4","5","1") = "6"
    & skf18("7","1","6","3","4","6","1") = "6"
    & skf18("7","1","6","3","4","7","1") = "6"
    & skf18("7","1","6","3","4","8","1") = "7"
    & skf18("7","1","6","3","4","9","1") = "8"
    & skf18("7","1","6","3","4","10","1") = "9"
    & skf18("7","1","6","3","5","1","1") = "6"
    & skf18("7","1","6","3","5","2","1") = "6"
    & skf18("7","1","6","3","5","3","1") = "6"
    & skf18("7","1","6","3","5","4","1") = "6"
    & skf18("7","1","6","3","5","5","1") = "6"
    & skf18("7","1","6","3","5","6","1") = "6"
    & skf18("7","1","6","3","5","7","1") = "6"
    & skf18("7","1","6","3","5","8","1") = "7"
    & skf18("7","1","6","3","5","9","1") = "8"
    & skf18("7","1","6","3","5","10","1") = "9"
    & skf18("7","1","6","3","6","1","1") = "6"
    & skf18("7","1","6","3","6","2","1") = "6"
    & skf18("7","1","6","3","6","3","1") = "6"
    & skf18("7","1","6","3","6","4","1") = "6"
    & skf18("7","1","6","3","6","5","1") = "6"
    & skf18("7","1","6","3","6","6","1") = "6"
    & skf18("7","1","6","3","6","7","1") = "6"
    & skf18("7","1","6","3","6","8","1") = "7"
    & skf18("7","1","6","3","6","9","1") = "8"
    & skf18("7","1","6","3","6","10","1") = "9"
    & skf18("7","1","6","3","7","1","1") = "6"
    & skf18("7","1","6","3","7","2","1") = "6"
    & skf18("7","1","6","3","7","3","1") = "6"
    & skf18("7","1","6","3","7","4","1") = "6"
    & skf18("7","1","6","3","7","5","1") = "6"
    & skf18("7","1","6","3","7","6","1") = "6"
    & skf18("7","1","6","3","7","7","1") = "6"
    & skf18("7","1","6","3","7","8","1") = "7"
    & skf18("7","1","6","3","7","9","1") = "8"
    & skf18("7","1","6","3","7","10","1") = "9"
    & skf18("7","1","6","3","8","1","1") = "7"
    & skf18("7","1","6","3","8","2","1") = "7"
    & skf18("7","1","6","3","8","3","1") = "7"
    & skf18("7","1","6","3","8","4","1") = "7"
    & skf18("7","1","6","3","8","5","1") = "7"
    & skf18("7","1","6","3","8","6","1") = "7"
    & skf18("7","1","6","3","8","7","1") = "7"
    & skf18("7","1","6","3","8","8","1") = "7"
    & skf18("7","1","6","3","8","9","1") = "8"
    & skf18("7","1","6","3","8","10","1") = "9"
    & skf18("7","1","6","3","9","1","1") = "8"
    & skf18("7","1","6","3","9","2","1") = "8"
    & skf18("7","1","6","3","9","3","1") = "8"
    & skf18("7","1","6","3","9","4","1") = "8"
    & skf18("7","1","6","3","9","5","1") = "8"
    & skf18("7","1","6","3","9","6","1") = "8"
    & skf18("7","1","6","3","9","7","1") = "8"
    & skf18("7","1","6","3","9","8","1") = "8"
    & skf18("7","1","6","3","9","9","1") = "8"
    & skf18("7","1","6","3","9","10","1") = "9"
    & skf18("7","1","6","3","10","1","1") = "9"
    & skf18("7","1","6","3","10","2","1") = "9"
    & skf18("7","1","6","3","10","3","1") = "9"
    & skf18("7","1","6","3","10","4","1") = "9"
    & skf18("7","1","6","3","10","5","1") = "9"
    & skf18("7","1","6","3","10","6","1") = "9"
    & skf18("7","1","6","3","10","7","1") = "9"
    & skf18("7","1","6","3","10","8","1") = "9"
    & skf18("7","1","6","3","10","9","1") = "9"
    & skf18("7","1","6","3","10","10","1") = "9"
    & skf18("7","1","6","4","1","1","1") = "6"
    & skf18("7","1","6","4","1","2","1") = "6"
    & skf18("7","1","6","4","1","3","1") = "6"
    & skf18("7","1","6","4","1","4","1") = "6"
    & skf18("7","1","6","4","1","5","1") = "6"
    & skf18("7","1","6","4","1","6","1") = "6"
    & skf18("7","1","6","4","1","7","1") = "6"
    & skf18("7","1","6","4","1","8","1") = "7"
    & skf18("7","1","6","4","1","9","1") = "8"
    & skf18("7","1","6","4","1","10","1") = "9"
    & skf18("7","1","6","4","2","1","1") = "6"
    & skf18("7","1","6","4","2","2","1") = "6"
    & skf18("7","1","6","4","2","3","1") = "6"
    & skf18("7","1","6","4","2","4","1") = "6"
    & skf18("7","1","6","4","2","5","1") = "6"
    & skf18("7","1","6","4","2","6","1") = "6"
    & skf18("7","1","6","4","2","7","1") = "6"
    & skf18("7","1","6","4","2","8","1") = "7"
    & skf18("7","1","6","4","2","9","1") = "8"
    & skf18("7","1","6","4","2","10","1") = "9"
    & skf18("7","1","6","4","3","1","1") = "6"
    & skf18("7","1","6","4","3","2","1") = "6"
    & skf18("7","1","6","4","3","3","1") = "6"
    & skf18("7","1","6","4","3","4","1") = "6"
    & skf18("7","1","6","4","3","5","1") = "6"
    & skf18("7","1","6","4","3","6","1") = "6"
    & skf18("7","1","6","4","3","7","1") = "6"
    & skf18("7","1","6","4","3","8","1") = "7"
    & skf18("7","1","6","4","3","9","1") = "8"
    & skf18("7","1","6","4","3","10","1") = "9"
    & skf18("7","1","6","4","4","1","1") = "6"
    & skf18("7","1","6","4","4","2","1") = "6"
    & skf18("7","1","6","4","4","3","1") = "6"
    & skf18("7","1","6","4","4","4","1") = "6"
    & skf18("7","1","6","4","4","5","1") = "6"
    & skf18("7","1","6","4","4","6","1") = "6"
    & skf18("7","1","6","4","4","7","1") = "6"
    & skf18("7","1","6","4","4","8","1") = "7"
    & skf18("7","1","6","4","4","9","1") = "8"
    & skf18("7","1","6","4","4","10","1") = "9"
    & skf18("7","1","6","4","5","1","1") = "6"
    & skf18("7","1","6","4","5","2","1") = "6"
    & skf18("7","1","6","4","5","3","1") = "6"
    & skf18("7","1","6","4","5","4","1") = "6"
    & skf18("7","1","6","4","5","5","1") = "6"
    & skf18("7","1","6","4","5","6","1") = "6"
    & skf18("7","1","6","4","5","7","1") = "6"
    & skf18("7","1","6","4","5","8","1") = "7"
    & skf18("7","1","6","4","5","9","1") = "8"
    & skf18("7","1","6","4","5","10","1") = "9"
    & skf18("7","1","6","4","6","1","1") = "6"
    & skf18("7","1","6","4","6","2","1") = "6"
    & skf18("7","1","6","4","6","3","1") = "6"
    & skf18("7","1","6","4","6","4","1") = "6"
    & skf18("7","1","6","4","6","5","1") = "6"
    & skf18("7","1","6","4","6","6","1") = "6"
    & skf18("7","1","6","4","6","7","1") = "6"
    & skf18("7","1","6","4","6","8","1") = "7"
    & skf18("7","1","6","4","6","9","1") = "8"
    & skf18("7","1","6","4","6","10","1") = "9"
    & skf18("7","1","6","4","7","1","1") = "6"
    & skf18("7","1","6","4","7","2","1") = "6"
    & skf18("7","1","6","4","7","3","1") = "6"
    & skf18("7","1","6","4","7","4","1") = "6"
    & skf18("7","1","6","4","7","5","1") = "6"
    & skf18("7","1","6","4","7","6","1") = "6"
    & skf18("7","1","6","4","7","7","1") = "6"
    & skf18("7","1","6","4","7","8","1") = "7"
    & skf18("7","1","6","4","7","9","1") = "8"
    & skf18("7","1","6","4","7","10","1") = "9"
    & skf18("7","1","6","4","8","1","1") = "7"
    & skf18("7","1","6","4","8","2","1") = "7"
    & skf18("7","1","6","4","8","3","1") = "7"
    & skf18("7","1","6","4","8","4","1") = "7"
    & skf18("7","1","6","4","8","5","1") = "7"
    & skf18("7","1","6","4","8","6","1") = "7"
    & skf18("7","1","6","4","8","7","1") = "7"
    & skf18("7","1","6","4","8","8","1") = "7"
    & skf18("7","1","6","4","8","9","1") = "8"
    & skf18("7","1","6","4","8","10","1") = "9"
    & skf18("7","1","6","4","9","1","1") = "8"
    & skf18("7","1","6","4","9","2","1") = "8"
    & skf18("7","1","6","4","9","3","1") = "8"
    & skf18("7","1","6","4","9","4","1") = "8"
    & skf18("7","1","6","4","9","5","1") = "8"
    & skf18("7","1","6","4","9","6","1") = "8"
    & skf18("7","1","6","4","9","7","1") = "8"
    & skf18("7","1","6","4","9","8","1") = "8"
    & skf18("7","1","6","4","9","9","1") = "8"
    & skf18("7","1","6","4","9","10","1") = "9"
    & skf18("7","1","6","4","10","1","1") = "9"
    & skf18("7","1","6","4","10","2","1") = "9"
    & skf18("7","1","6","4","10","3","1") = "9"
    & skf18("7","1","6","4","10","4","1") = "9"
    & skf18("7","1","6","4","10","5","1") = "9"
    & skf18("7","1","6","4","10","6","1") = "9"
    & skf18("7","1","6","4","10","7","1") = "9"
    & skf18("7","1","6","4","10","8","1") = "9"
    & skf18("7","1","6","4","10","9","1") = "9"
    & skf18("7","1","6","4","10","10","1") = "9"
    & skf18("7","1","6","5","1","1","1") = "6"
    & skf18("7","1","6","5","1","2","1") = "6"
    & skf18("7","1","6","5","1","3","1") = "6"
    & skf18("7","1","6","5","1","4","1") = "6"
    & skf18("7","1","6","5","1","5","1") = "6"
    & skf18("7","1","6","5","1","6","1") = "6"
    & skf18("7","1","6","5","1","7","1") = "6"
    & skf18("7","1","6","5","1","8","1") = "7"
    & skf18("7","1","6","5","1","9","1") = "8"
    & skf18("7","1","6","5","1","10","1") = "9"
    & skf18("7","1","6","5","2","1","1") = "6"
    & skf18("7","1","6","5","2","2","1") = "6"
    & skf18("7","1","6","5","2","3","1") = "6"
    & skf18("7","1","6","5","2","4","1") = "6"
    & skf18("7","1","6","5","2","5","1") = "6"
    & skf18("7","1","6","5","2","6","1") = "6"
    & skf18("7","1","6","5","2","7","1") = "6"
    & skf18("7","1","6","5","2","8","1") = "7"
    & skf18("7","1","6","5","2","9","1") = "8"
    & skf18("7","1","6","5","2","10","1") = "9"
    & skf18("7","1","6","5","3","1","1") = "6"
    & skf18("7","1","6","5","3","2","1") = "6"
    & skf18("7","1","6","5","3","3","1") = "6"
    & skf18("7","1","6","5","3","4","1") = "6"
    & skf18("7","1","6","5","3","5","1") = "6"
    & skf18("7","1","6","5","3","6","1") = "6"
    & skf18("7","1","6","5","3","7","1") = "6"
    & skf18("7","1","6","5","3","8","1") = "7"
    & skf18("7","1","6","5","3","9","1") = "8"
    & skf18("7","1","6","5","3","10","1") = "9"
    & skf18("7","1","6","5","4","1","1") = "6"
    & skf18("7","1","6","5","4","2","1") = "6"
    & skf18("7","1","6","5","4","3","1") = "6"
    & skf18("7","1","6","5","4","4","1") = "6"
    & skf18("7","1","6","5","4","5","1") = "6"
    & skf18("7","1","6","5","4","6","1") = "6"
    & skf18("7","1","6","5","4","7","1") = "6"
    & skf18("7","1","6","5","4","8","1") = "7"
    & skf18("7","1","6","5","4","9","1") = "8"
    & skf18("7","1","6","5","4","10","1") = "9"
    & skf18("7","1","6","5","5","1","1") = "6"
    & skf18("7","1","6","5","5","2","1") = "6"
    & skf18("7","1","6","5","5","3","1") = "6"
    & skf18("7","1","6","5","5","4","1") = "6"
    & skf18("7","1","6","5","5","5","1") = "6"
    & skf18("7","1","6","5","5","6","1") = "6"
    & skf18("7","1","6","5","5","7","1") = "6"
    & skf18("7","1","6","5","5","8","1") = "7"
    & skf18("7","1","6","5","5","9","1") = "8"
    & skf18("7","1","6","5","5","10","1") = "9"
    & skf18("7","1","6","5","6","1","1") = "6"
    & skf18("7","1","6","5","6","2","1") = "6"
    & skf18("7","1","6","5","6","3","1") = "6"
    & skf18("7","1","6","5","6","4","1") = "6"
    & skf18("7","1","6","5","6","5","1") = "6"
    & skf18("7","1","6","5","6","6","1") = "6"
    & skf18("7","1","6","5","6","7","1") = "6"
    & skf18("7","1","6","5","6","8","1") = "7"
    & skf18("7","1","6","5","6","9","1") = "8"
    & skf18("7","1","6","5","6","10","1") = "9"
    & skf18("7","1","6","5","7","1","1") = "6"
    & skf18("7","1","6","5","7","2","1") = "6"
    & skf18("7","1","6","5","7","3","1") = "6"
    & skf18("7","1","6","5","7","4","1") = "6"
    & skf18("7","1","6","5","7","5","1") = "6"
    & skf18("7","1","6","5","7","6","1") = "6"
    & skf18("7","1","6","5","7","7","1") = "6"
    & skf18("7","1","6","5","7","8","1") = "7"
    & skf18("7","1","6","5","7","9","1") = "8"
    & skf18("7","1","6","5","7","10","1") = "9"
    & skf18("7","1","6","5","8","1","1") = "7"
    & skf18("7","1","6","5","8","2","1") = "7"
    & skf18("7","1","6","5","8","3","1") = "7"
    & skf18("7","1","6","5","8","4","1") = "7"
    & skf18("7","1","6","5","8","5","1") = "7"
    & skf18("7","1","6","5","8","6","1") = "7"
    & skf18("7","1","6","5","8","7","1") = "7"
    & skf18("7","1","6","5","8","8","1") = "7"
    & skf18("7","1","6","5","8","9","1") = "8"
    & skf18("7","1","6","5","8","10","1") = "9"
    & skf18("7","1","6","5","9","1","1") = "8"
    & skf18("7","1","6","5","9","2","1") = "8"
    & skf18("7","1","6","5","9","3","1") = "8"
    & skf18("7","1","6","5","9","4","1") = "8"
    & skf18("7","1","6","5","9","5","1") = "8"
    & skf18("7","1","6","5","9","6","1") = "8"
    & skf18("7","1","6","5","9","7","1") = "8"
    & skf18("7","1","6","5","9","8","1") = "8"
    & skf18("7","1","6","5","9","9","1") = "8"
    & skf18("7","1","6","5","9","10","1") = "9"
    & skf18("7","1","6","5","10","1","1") = "9"
    & skf18("7","1","6","5","10","2","1") = "9"
    & skf18("7","1","6","5","10","3","1") = "9"
    & skf18("7","1","6","5","10","4","1") = "9"
    & skf18("7","1","6","5","10","5","1") = "9"
    & skf18("7","1","6","5","10","6","1") = "9"
    & skf18("7","1","6","5","10","7","1") = "9"
    & skf18("7","1","6","5","10","8","1") = "9"
    & skf18("7","1","6","5","10","9","1") = "9"
    & skf18("7","1","6","5","10","10","1") = "9"
    & skf18("7","1","6","6","1","1","1") = "6"
    & skf18("7","1","6","6","1","2","1") = "6"
    & skf18("7","1","6","6","1","3","1") = "6"
    & skf18("7","1","6","6","1","4","1") = "6"
    & skf18("7","1","6","6","1","5","1") = "6"
    & skf18("7","1","6","6","1","6","1") = "6"
    & skf18("7","1","6","6","1","7","1") = "6"
    & skf18("7","1","6","6","1","8","1") = "7"
    & skf18("7","1","6","6","1","9","1") = "8"
    & skf18("7","1","6","6","1","10","1") = "9"
    & skf18("7","1","6","6","2","1","1") = "6"
    & skf18("7","1","6","6","2","2","1") = "6"
    & skf18("7","1","6","6","2","3","1") = "6"
    & skf18("7","1","6","6","2","4","1") = "6"
    & skf18("7","1","6","6","2","5","1") = "6"
    & skf18("7","1","6","6","2","6","1") = "6"
    & skf18("7","1","6","6","2","7","1") = "6"
    & skf18("7","1","6","6","2","8","1") = "7"
    & skf18("7","1","6","6","2","9","1") = "8"
    & skf18("7","1","6","6","2","10","1") = "9"
    & skf18("7","1","6","6","3","1","1") = "6"
    & skf18("7","1","6","6","3","2","1") = "6"
    & skf18("7","1","6","6","3","3","1") = "6"
    & skf18("7","1","6","6","3","4","1") = "6"
    & skf18("7","1","6","6","3","5","1") = "6"
    & skf18("7","1","6","6","3","6","1") = "6"
    & skf18("7","1","6","6","3","7","1") = "6"
    & skf18("7","1","6","6","3","8","1") = "7"
    & skf18("7","1","6","6","3","9","1") = "8"
    & skf18("7","1","6","6","3","10","1") = "9"
    & skf18("7","1","6","6","4","1","1") = "6"
    & skf18("7","1","6","6","4","2","1") = "6"
    & skf18("7","1","6","6","4","3","1") = "6"
    & skf18("7","1","6","6","4","4","1") = "6"
    & skf18("7","1","6","6","4","5","1") = "6"
    & skf18("7","1","6","6","4","6","1") = "6"
    & skf18("7","1","6","6","4","7","1") = "6"
    & skf18("7","1","6","6","4","8","1") = "7"
    & skf18("7","1","6","6","4","9","1") = "8"
    & skf18("7","1","6","6","4","10","1") = "9"
    & skf18("7","1","6","6","5","1","1") = "6"
    & skf18("7","1","6","6","5","2","1") = "6"
    & skf18("7","1","6","6","5","3","1") = "6"
    & skf18("7","1","6","6","5","4","1") = "6"
    & skf18("7","1","6","6","5","5","1") = "6"
    & skf18("7","1","6","6","5","6","1") = "6"
    & skf18("7","1","6","6","5","7","1") = "6"
    & skf18("7","1","6","6","5","8","1") = "7"
    & skf18("7","1","6","6","5","9","1") = "8"
    & skf18("7","1","6","6","5","10","1") = "9"
    & skf18("7","1","6","6","6","1","1") = "6"
    & skf18("7","1","6","6","6","2","1") = "6"
    & skf18("7","1","6","6","6","3","1") = "6"
    & skf18("7","1","6","6","6","4","1") = "6"
    & skf18("7","1","6","6","6","5","1") = "6"
    & skf18("7","1","6","6","6","6","1") = "6"
    & skf18("7","1","6","6","6","7","1") = "6"
    & skf18("7","1","6","6","6","8","1") = "7"
    & skf18("7","1","6","6","6","9","1") = "8"
    & skf18("7","1","6","6","6","10","1") = "9"
    & skf18("7","1","6","6","7","1","1") = "6"
    & skf18("7","1","6","6","7","2","1") = "6"
    & skf18("7","1","6","6","7","3","1") = "6"
    & skf18("7","1","6","6","7","4","1") = "6"
    & skf18("7","1","6","6","7","5","1") = "6"
    & skf18("7","1","6","6","7","6","1") = "6"
    & skf18("7","1","6","6","7","7","1") = "6"
    & skf18("7","1","6","6","7","8","1") = "7"
    & skf18("7","1","6","6","7","9","1") = "8"
    & skf18("7","1","6","6","7","10","1") = "9"
    & skf18("7","1","6","6","8","1","1") = "7"
    & skf18("7","1","6","6","8","2","1") = "7"
    & skf18("7","1","6","6","8","3","1") = "7"
    & skf18("7","1","6","6","8","4","1") = "7"
    & skf18("7","1","6","6","8","5","1") = "7"
    & skf18("7","1","6","6","8","6","1") = "7"
    & skf18("7","1","6","6","8","7","1") = "7"
    & skf18("7","1","6","6","8","8","1") = "7"
    & skf18("7","1","6","6","8","9","1") = "8"
    & skf18("7","1","6","6","8","10","1") = "9"
    & skf18("7","1","6","6","9","1","1") = "8"
    & skf18("7","1","6","6","9","2","1") = "8"
    & skf18("7","1","6","6","9","3","1") = "8"
    & skf18("7","1","6","6","9","4","1") = "8"
    & skf18("7","1","6","6","9","5","1") = "8"
    & skf18("7","1","6","6","9","6","1") = "8"
    & skf18("7","1","6","6","9","7","1") = "8"
    & skf18("7","1","6","6","9","8","1") = "8"
    & skf18("7","1","6","6","9","9","1") = "8"
    & skf18("7","1","6","6","9","10","1") = "9"
    & skf18("7","1","6","6","10","1","1") = "9"
    & skf18("7","1","6","6","10","2","1") = "9"
    & skf18("7","1","6","6","10","3","1") = "9"
    & skf18("7","1","6","6","10","4","1") = "9"
    & skf18("7","1","6","6","10","5","1") = "9"
    & skf18("7","1","6","6","10","6","1") = "9"
    & skf18("7","1","6","6","10","7","1") = "9"
    & skf18("7","1","6","6","10","8","1") = "9"
    & skf18("7","1","6","6","10","9","1") = "9"
    & skf18("7","1","6","6","10","10","1") = "9"
    & skf18("7","1","6","7","1","1","1") = "6"
    & skf18("7","1","6","7","1","2","1") = "6"
    & skf18("7","1","6","7","1","3","1") = "6"
    & skf18("7","1","6","7","1","4","1") = "6"
    & skf18("7","1","6","7","1","5","1") = "6"
    & skf18("7","1","6","7","1","6","1") = "6"
    & skf18("7","1","6","7","1","7","1") = "6"
    & skf18("7","1","6","7","1","8","1") = "7"
    & skf18("7","1","6","7","1","9","1") = "8"
    & skf18("7","1","6","7","1","10","1") = "9"
    & skf18("7","1","6","7","2","1","1") = "6"
    & skf18("7","1","6","7","2","2","1") = "6"
    & skf18("7","1","6","7","2","3","1") = "6"
    & skf18("7","1","6","7","2","4","1") = "6"
    & skf18("7","1","6","7","2","5","1") = "6"
    & skf18("7","1","6","7","2","6","1") = "6"
    & skf18("7","1","6","7","2","7","1") = "6"
    & skf18("7","1","6","7","2","8","1") = "7"
    & skf18("7","1","6","7","2","9","1") = "8"
    & skf18("7","1","6","7","2","10","1") = "9"
    & skf18("7","1","6","7","3","1","1") = "6"
    & skf18("7","1","6","7","3","2","1") = "6"
    & skf18("7","1","6","7","3","3","1") = "6"
    & skf18("7","1","6","7","3","4","1") = "6"
    & skf18("7","1","6","7","3","5","1") = "6"
    & skf18("7","1","6","7","3","6","1") = "6"
    & skf18("7","1","6","7","3","7","1") = "6"
    & skf18("7","1","6","7","3","8","1") = "7"
    & skf18("7","1","6","7","3","9","1") = "8"
    & skf18("7","1","6","7","3","10","1") = "9"
    & skf18("7","1","6","7","4","1","1") = "6"
    & skf18("7","1","6","7","4","2","1") = "6"
    & skf18("7","1","6","7","4","3","1") = "6"
    & skf18("7","1","6","7","4","4","1") = "6"
    & skf18("7","1","6","7","4","5","1") = "6"
    & skf18("7","1","6","7","4","6","1") = "6"
    & skf18("7","1","6","7","4","7","1") = "6"
    & skf18("7","1","6","7","4","8","1") = "7"
    & skf18("7","1","6","7","4","9","1") = "8"
    & skf18("7","1","6","7","4","10","1") = "9"
    & skf18("7","1","6","7","5","1","1") = "6"
    & skf18("7","1","6","7","5","2","1") = "6"
    & skf18("7","1","6","7","5","3","1") = "6"
    & skf18("7","1","6","7","5","4","1") = "6"
    & skf18("7","1","6","7","5","5","1") = "6"
    & skf18("7","1","6","7","5","6","1") = "6"
    & skf18("7","1","6","7","5","7","1") = "6"
    & skf18("7","1","6","7","5","8","1") = "7"
    & skf18("7","1","6","7","5","9","1") = "8"
    & skf18("7","1","6","7","5","10","1") = "9"
    & skf18("7","1","6","7","6","1","1") = "6"
    & skf18("7","1","6","7","6","2","1") = "6"
    & skf18("7","1","6","7","6","3","1") = "6"
    & skf18("7","1","6","7","6","4","1") = "6"
    & skf18("7","1","6","7","6","5","1") = "6"
    & skf18("7","1","6","7","6","6","1") = "6"
    & skf18("7","1","6","7","6","7","1") = "6"
    & skf18("7","1","6","7","6","8","1") = "7"
    & skf18("7","1","6","7","6","9","1") = "8"
    & skf18("7","1","6","7","6","10","1") = "9"
    & skf18("7","1","6","7","7","1","1") = "6"
    & skf18("7","1","6","7","7","2","1") = "6"
    & skf18("7","1","6","7","7","3","1") = "6"
    & skf18("7","1","6","7","7","4","1") = "6"
    & skf18("7","1","6","7","7","5","1") = "6"
    & skf18("7","1","6","7","7","6","1") = "6"
    & skf18("7","1","6","7","7","7","1") = "6"
    & skf18("7","1","6","7","7","8","1") = "7"
    & skf18("7","1","6","7","7","9","1") = "8"
    & skf18("7","1","6","7","7","10","1") = "9"
    & skf18("7","1","6","7","8","1","1") = "7"
    & skf18("7","1","6","7","8","2","1") = "7"
    & skf18("7","1","6","7","8","3","1") = "7"
    & skf18("7","1","6","7","8","4","1") = "7"
    & skf18("7","1","6","7","8","5","1") = "7"
    & skf18("7","1","6","7","8","6","1") = "7"
    & skf18("7","1","6","7","8","7","1") = "7"
    & skf18("7","1","6","7","8","8","1") = "7"
    & skf18("7","1","6","7","8","9","1") = "8"
    & skf18("7","1","6","7","8","10","1") = "9"
    & skf18("7","1","6","7","9","1","1") = "8"
    & skf18("7","1","6","7","9","2","1") = "8"
    & skf18("7","1","6","7","9","3","1") = "8"
    & skf18("7","1","6","7","9","4","1") = "8"
    & skf18("7","1","6","7","9","5","1") = "8"
    & skf18("7","1","6","7","9","6","1") = "8"
    & skf18("7","1","6","7","9","7","1") = "8"
    & skf18("7","1","6","7","9","8","1") = "8"
    & skf18("7","1","6","7","9","9","1") = "8"
    & skf18("7","1","6","7","9","10","1") = "9"
    & skf18("7","1","6","7","10","1","1") = "9"
    & skf18("7","1","6","7","10","2","1") = "9"
    & skf18("7","1","6","7","10","3","1") = "9"
    & skf18("7","1","6","7","10","4","1") = "9"
    & skf18("7","1","6","7","10","5","1") = "9"
    & skf18("7","1","6","7","10","6","1") = "9"
    & skf18("7","1","6","7","10","7","1") = "9"
    & skf18("7","1","6","7","10","8","1") = "9"
    & skf18("7","1","6","7","10","9","1") = "9"
    & skf18("7","1","6","7","10","10","1") = "9"
    & skf18("7","1","6","8","1","1","1") = "7"
    & skf18("7","1","6","8","1","2","1") = "7"
    & skf18("7","1","6","8","1","3","1") = "7"
    & skf18("7","1","6","8","1","4","1") = "7"
    & skf18("7","1","6","8","1","5","1") = "7"
    & skf18("7","1","6","8","1","6","1") = "7"
    & skf18("7","1","6","8","1","7","1") = "7"
    & skf18("7","1","6","8","1","8","1") = "7"
    & skf18("7","1","6","8","1","9","1") = "8"
    & skf18("7","1","6","8","1","10","1") = "9"
    & skf18("7","1","6","8","2","1","1") = "7"
    & skf18("7","1","6","8","2","2","1") = "7"
    & skf18("7","1","6","8","2","3","1") = "7"
    & skf18("7","1","6","8","2","4","1") = "7"
    & skf18("7","1","6","8","2","5","1") = "7"
    & skf18("7","1","6","8","2","6","1") = "7"
    & skf18("7","1","6","8","2","7","1") = "7"
    & skf18("7","1","6","8","2","8","1") = "7"
    & skf18("7","1","6","8","2","9","1") = "8"
    & skf18("7","1","6","8","2","10","1") = "9"
    & skf18("7","1","6","8","3","1","1") = "7"
    & skf18("7","1","6","8","3","2","1") = "7"
    & skf18("7","1","6","8","3","3","1") = "7"
    & skf18("7","1","6","8","3","4","1") = "7"
    & skf18("7","1","6","8","3","5","1") = "7"
    & skf18("7","1","6","8","3","6","1") = "7"
    & skf18("7","1","6","8","3","7","1") = "7"
    & skf18("7","1","6","8","3","8","1") = "7"
    & skf18("7","1","6","8","3","9","1") = "8"
    & skf18("7","1","6","8","3","10","1") = "9"
    & skf18("7","1","6","8","4","1","1") = "7"
    & skf18("7","1","6","8","4","2","1") = "7"
    & skf18("7","1","6","8","4","3","1") = "7"
    & skf18("7","1","6","8","4","4","1") = "7"
    & skf18("7","1","6","8","4","5","1") = "7"
    & skf18("7","1","6","8","4","6","1") = "7"
    & skf18("7","1","6","8","4","7","1") = "7"
    & skf18("7","1","6","8","4","8","1") = "7"
    & skf18("7","1","6","8","4","9","1") = "8"
    & skf18("7","1","6","8","4","10","1") = "9"
    & skf18("7","1","6","8","5","1","1") = "7"
    & skf18("7","1","6","8","5","2","1") = "7"
    & skf18("7","1","6","8","5","3","1") = "7"
    & skf18("7","1","6","8","5","4","1") = "7"
    & skf18("7","1","6","8","5","5","1") = "7"
    & skf18("7","1","6","8","5","6","1") = "7"
    & skf18("7","1","6","8","5","7","1") = "7"
    & skf18("7","1","6","8","5","8","1") = "7"
    & skf18("7","1","6","8","5","9","1") = "8"
    & skf18("7","1","6","8","5","10","1") = "9"
    & skf18("7","1","6","8","6","1","1") = "7"
    & skf18("7","1","6","8","6","2","1") = "7"
    & skf18("7","1","6","8","6","3","1") = "7"
    & skf18("7","1","6","8","6","4","1") = "7"
    & skf18("7","1","6","8","6","5","1") = "7"
    & skf18("7","1","6","8","6","6","1") = "7"
    & skf18("7","1","6","8","6","7","1") = "7"
    & skf18("7","1","6","8","6","8","1") = "7"
    & skf18("7","1","6","8","6","9","1") = "8"
    & skf18("7","1","6","8","6","10","1") = "9"
    & skf18("7","1","6","8","7","1","1") = "7"
    & skf18("7","1","6","8","7","2","1") = "7"
    & skf18("7","1","6","8","7","3","1") = "7"
    & skf18("7","1","6","8","7","4","1") = "7"
    & skf18("7","1","6","8","7","5","1") = "7"
    & skf18("7","1","6","8","7","6","1") = "7"
    & skf18("7","1","6","8","7","7","1") = "7"
    & skf18("7","1","6","8","7","8","1") = "7"
    & skf18("7","1","6","8","7","9","1") = "8"
    & skf18("7","1","6","8","7","10","1") = "9"
    & skf18("7","1","6","8","8","1","1") = "7"
    & skf18("7","1","6","8","8","2","1") = "7"
    & skf18("7","1","6","8","8","3","1") = "7"
    & skf18("7","1","6","8","8","4","1") = "7"
    & skf18("7","1","6","8","8","5","1") = "7"
    & skf18("7","1","6","8","8","6","1") = "7"
    & skf18("7","1","6","8","8","7","1") = "7"
    & skf18("7","1","6","8","8","8","1") = "7"
    & skf18("7","1","6","8","8","9","1") = "8"
    & skf18("7","1","6","8","8","10","1") = "9"
    & skf18("7","1","6","8","9","1","1") = "8"
    & skf18("7","1","6","8","9","2","1") = "8"
    & skf18("7","1","6","8","9","3","1") = "8"
    & skf18("7","1","6","8","9","4","1") = "8"
    & skf18("7","1","6","8","9","5","1") = "8"
    & skf18("7","1","6","8","9","6","1") = "8"
    & skf18("7","1","6","8","9","7","1") = "8"
    & skf18("7","1","6","8","9","8","1") = "8"
    & skf18("7","1","6","8","9","9","1") = "8"
    & skf18("7","1","6","8","9","10","1") = "9"
    & skf18("7","1","6","8","10","1","1") = "9"
    & skf18("7","1","6","8","10","2","1") = "9"
    & skf18("7","1","6","8","10","3","1") = "9"
    & skf18("7","1","6","8","10","4","1") = "9"
    & skf18("7","1","6","8","10","5","1") = "9"
    & skf18("7","1","6","8","10","6","1") = "9"
    & skf18("7","1","6","8","10","7","1") = "9"
    & skf18("7","1","6","8","10","8","1") = "9"
    & skf18("7","1","6","8","10","9","1") = "9"
    & skf18("7","1","6","8","10","10","1") = "9"
    & skf18("7","1","6","9","1","1","1") = "8"
    & skf18("7","1","6","9","1","2","1") = "8"
    & skf18("7","1","6","9","1","3","1") = "8"
    & skf18("7","1","6","9","1","4","1") = "8"
    & skf18("7","1","6","9","1","5","1") = "8"
    & skf18("7","1","6","9","1","6","1") = "8"
    & skf18("7","1","6","9","1","7","1") = "8"
    & skf18("7","1","6","9","1","8","1") = "8"
    & skf18("7","1","6","9","1","9","1") = "8"
    & skf18("7","1","6","9","1","10","1") = "9"
    & skf18("7","1","6","9","2","1","1") = "8"
    & skf18("7","1","6","9","2","2","1") = "8"
    & skf18("7","1","6","9","2","3","1") = "8"
    & skf18("7","1","6","9","2","4","1") = "8"
    & skf18("7","1","6","9","2","5","1") = "8"
    & skf18("7","1","6","9","2","6","1") = "8"
    & skf18("7","1","6","9","2","7","1") = "8"
    & skf18("7","1","6","9","2","8","1") = "8"
    & skf18("7","1","6","9","2","9","1") = "8"
    & skf18("7","1","6","9","2","10","1") = "9"
    & skf18("7","1","6","9","3","1","1") = "8"
    & skf18("7","1","6","9","3","2","1") = "8"
    & skf18("7","1","6","9","3","3","1") = "8"
    & skf18("7","1","6","9","3","4","1") = "8"
    & skf18("7","1","6","9","3","5","1") = "8"
    & skf18("7","1","6","9","3","6","1") = "8"
    & skf18("7","1","6","9","3","7","1") = "8"
    & skf18("7","1","6","9","3","8","1") = "8"
    & skf18("7","1","6","9","3","9","1") = "8"
    & skf18("7","1","6","9","3","10","1") = "9"
    & skf18("7","1","6","9","4","1","1") = "8"
    & skf18("7","1","6","9","4","2","1") = "8"
    & skf18("7","1","6","9","4","3","1") = "8"
    & skf18("7","1","6","9","4","4","1") = "8"
    & skf18("7","1","6","9","4","5","1") = "8"
    & skf18("7","1","6","9","4","6","1") = "8"
    & skf18("7","1","6","9","4","7","1") = "8"
    & skf18("7","1","6","9","4","8","1") = "8"
    & skf18("7","1","6","9","4","9","1") = "8"
    & skf18("7","1","6","9","4","10","1") = "9"
    & skf18("7","1","6","9","5","1","1") = "8"
    & skf18("7","1","6","9","5","2","1") = "8"
    & skf18("7","1","6","9","5","3","1") = "8"
    & skf18("7","1","6","9","5","4","1") = "8"
    & skf18("7","1","6","9","5","5","1") = "8"
    & skf18("7","1","6","9","5","6","1") = "8"
    & skf18("7","1","6","9","5","7","1") = "8"
    & skf18("7","1","6","9","5","8","1") = "8"
    & skf18("7","1","6","9","5","9","1") = "8"
    & skf18("7","1","6","9","5","10","1") = "9"
    & skf18("7","1","6","9","6","1","1") = "8"
    & skf18("7","1","6","9","6","2","1") = "8"
    & skf18("7","1","6","9","6","3","1") = "8"
    & skf18("7","1","6","9","6","4","1") = "8"
    & skf18("7","1","6","9","6","5","1") = "8"
    & skf18("7","1","6","9","6","6","1") = "8"
    & skf18("7","1","6","9","6","7","1") = "8"
    & skf18("7","1","6","9","6","8","1") = "8"
    & skf18("7","1","6","9","6","9","1") = "8"
    & skf18("7","1","6","9","6","10","1") = "9"
    & skf18("7","1","6","9","7","1","1") = "8"
    & skf18("7","1","6","9","7","2","1") = "8"
    & skf18("7","1","6","9","7","3","1") = "8"
    & skf18("7","1","6","9","7","4","1") = "8"
    & skf18("7","1","6","9","7","5","1") = "8"
    & skf18("7","1","6","9","7","6","1") = "8"
    & skf18("7","1","6","9","7","7","1") = "8"
    & skf18("7","1","6","9","7","8","1") = "8"
    & skf18("7","1","6","9","7","9","1") = "8"
    & skf18("7","1","6","9","7","10","1") = "9"
    & skf18("7","1","6","9","8","1","1") = "8"
    & skf18("7","1","6","9","8","2","1") = "8"
    & skf18("7","1","6","9","8","3","1") = "8"
    & skf18("7","1","6","9","8","4","1") = "8"
    & skf18("7","1","6","9","8","5","1") = "8"
    & skf18("7","1","6","9","8","6","1") = "8"
    & skf18("7","1","6","9","8","7","1") = "8"
    & skf18("7","1","6","9","8","8","1") = "8"
    & skf18("7","1","6","9","8","9","1") = "8"
    & skf18("7","1","6","9","8","10","1") = "9"
    & skf18("7","1","6","9","9","1","1") = "8"
    & skf18("7","1","6","9","9","2","1") = "8"
    & skf18("7","1","6","9","9","3","1") = "8"
    & skf18("7","1","6","9","9","4","1") = "8"
    & skf18("7","1","6","9","9","5","1") = "8"
    & skf18("7","1","6","9","9","6","1") = "8"
    & skf18("7","1","6","9","9","7","1") = "8"
    & skf18("7","1","6","9","9","8","1") = "8"
    & skf18("7","1","6","9","9","9","1") = "8"
    & skf18("7","1","6","9","9","10","1") = "9"
    & skf18("7","1","6","9","10","1","1") = "9"
    & skf18("7","1","6","9","10","2","1") = "9"
    & skf18("7","1","6","9","10","3","1") = "9"
    & skf18("7","1","6","9","10","4","1") = "9"
    & skf18("7","1","6","9","10","5","1") = "9"
    & skf18("7","1","6","9","10","6","1") = "9"
    & skf18("7","1","6","9","10","7","1") = "9"
    & skf18("7","1","6","9","10","8","1") = "9"
    & skf18("7","1","6","9","10","9","1") = "9"
    & skf18("7","1","6","9","10","10","1") = "9"
    & skf18("7","1","6","10","1","1","1") = "9"
    & skf18("7","1","6","10","1","2","1") = "9"
    & skf18("7","1","6","10","1","3","1") = "9"
    & skf18("7","1","6","10","1","4","1") = "9"
    & skf18("7","1","6","10","1","5","1") = "9"
    & skf18("7","1","6","10","1","6","1") = "9"
    & skf18("7","1","6","10","1","7","1") = "9"
    & skf18("7","1","6","10","1","8","1") = "9"
    & skf18("7","1","6","10","1","9","1") = "9"
    & skf18("7","1","6","10","1","10","1") = "9"
    & skf18("7","1","6","10","2","1","1") = "9"
    & skf18("7","1","6","10","2","2","1") = "9"
    & skf18("7","1","6","10","2","3","1") = "9"
    & skf18("7","1","6","10","2","4","1") = "9"
    & skf18("7","1","6","10","2","5","1") = "9"
    & skf18("7","1","6","10","2","6","1") = "9"
    & skf18("7","1","6","10","2","7","1") = "9"
    & skf18("7","1","6","10","2","8","1") = "9"
    & skf18("7","1","6","10","2","9","1") = "9"
    & skf18("7","1","6","10","2","10","1") = "9"
    & skf18("7","1","6","10","3","1","1") = "9"
    & skf18("7","1","6","10","3","2","1") = "9"
    & skf18("7","1","6","10","3","3","1") = "9"
    & skf18("7","1","6","10","3","4","1") = "9"
    & skf18("7","1","6","10","3","5","1") = "9"
    & skf18("7","1","6","10","3","6","1") = "9"
    & skf18("7","1","6","10","3","7","1") = "9"
    & skf18("7","1","6","10","3","8","1") = "9"
    & skf18("7","1","6","10","3","9","1") = "9"
    & skf18("7","1","6","10","3","10","1") = "9"
    & skf18("7","1","6","10","4","1","1") = "9"
    & skf18("7","1","6","10","4","2","1") = "9"
    & skf18("7","1","6","10","4","3","1") = "9"
    & skf18("7","1","6","10","4","4","1") = "9"
    & skf18("7","1","6","10","4","5","1") = "9"
    & skf18("7","1","6","10","4","6","1") = "9"
    & skf18("7","1","6","10","4","7","1") = "9"
    & skf18("7","1","6","10","4","8","1") = "9"
    & skf18("7","1","6","10","4","9","1") = "9"
    & skf18("7","1","6","10","4","10","1") = "9"
    & skf18("7","1","6","10","5","1","1") = "9"
    & skf18("7","1","6","10","5","2","1") = "9"
    & skf18("7","1","6","10","5","3","1") = "9"
    & skf18("7","1","6","10","5","4","1") = "9"
    & skf18("7","1","6","10","5","5","1") = "9"
    & skf18("7","1","6","10","5","6","1") = "9"
    & skf18("7","1","6","10","5","7","1") = "9"
    & skf18("7","1","6","10","5","8","1") = "9"
    & skf18("7","1","6","10","5","9","1") = "9"
    & skf18("7","1","6","10","5","10","1") = "9"
    & skf18("7","1","6","10","6","1","1") = "9"
    & skf18("7","1","6","10","6","2","1") = "9"
    & skf18("7","1","6","10","6","3","1") = "9"
    & skf18("7","1","6","10","6","4","1") = "9"
    & skf18("7","1","6","10","6","5","1") = "9"
    & skf18("7","1","6","10","6","6","1") = "9"
    & skf18("7","1","6","10","6","7","1") = "9"
    & skf18("7","1","6","10","6","8","1") = "9"
    & skf18("7","1","6","10","6","9","1") = "9"
    & skf18("7","1","6","10","6","10","1") = "9"
    & skf18("7","1","6","10","7","1","1") = "9"
    & skf18("7","1","6","10","7","2","1") = "9"
    & skf18("7","1","6","10","7","3","1") = "9"
    & skf18("7","1","6","10","7","4","1") = "9"
    & skf18("7","1","6","10","7","5","1") = "9"
    & skf18("7","1","6","10","7","6","1") = "9"
    & skf18("7","1","6","10","7","7","1") = "9"
    & skf18("7","1","6","10","7","8","1") = "9"
    & skf18("7","1","6","10","7","9","1") = "9"
    & skf18("7","1","6","10","7","10","1") = "9"
    & skf18("7","1","6","10","8","1","1") = "9"
    & skf18("7","1","6","10","8","2","1") = "9"
    & skf18("7","1","6","10","8","3","1") = "9"
    & skf18("7","1","6","10","8","4","1") = "9"
    & skf18("7","1","6","10","8","5","1") = "9"
    & skf18("7","1","6","10","8","6","1") = "9"
    & skf18("7","1","6","10","8","7","1") = "9"
    & skf18("7","1","6","10","8","8","1") = "9"
    & skf18("7","1","6","10","8","9","1") = "9"
    & skf18("7","1","6","10","8","10","1") = "9"
    & skf18("7","1","6","10","9","1","1") = "9"
    & skf18("7","1","6","10","9","2","1") = "9"
    & skf18("7","1","6","10","9","3","1") = "9"
    & skf18("7","1","6","10","9","4","1") = "9"
    & skf18("7","1","6","10","9","5","1") = "9"
    & skf18("7","1","6","10","9","6","1") = "9"
    & skf18("7","1","6","10","9","7","1") = "9"
    & skf18("7","1","6","10","9","8","1") = "9"
    & skf18("7","1","6","10","9","9","1") = "9"
    & skf18("7","1","6","10","9","10","1") = "9"
    & skf18("7","1","6","10","10","1","1") = "9"
    & skf18("7","1","6","10","10","2","1") = "9"
    & skf18("7","1","6","10","10","3","1") = "9"
    & skf18("7","1","6","10","10","4","1") = "9"
    & skf18("7","1","6","10","10","5","1") = "9"
    & skf18("7","1","6","10","10","6","1") = "9"
    & skf18("7","1","6","10","10","7","1") = "9"
    & skf18("7","1","6","10","10","8","1") = "9"
    & skf18("7","1","6","10","10","9","1") = "9"
    & skf18("7","1","6","10","10","10","1") = "9"
    & skf18("7","1","7","1","1","1","1") = "6"
    & skf18("7","1","7","1","1","2","1") = "6"
    & skf18("7","1","7","1","1","3","1") = "6"
    & skf18("7","1","7","1","1","4","1") = "6"
    & skf18("7","1","7","1","1","5","1") = "6"
    & skf18("7","1","7","1","1","6","1") = "6"
    & skf18("7","1","7","1","1","7","1") = "6"
    & skf18("7","1","7","1","1","8","1") = "7"
    & skf18("7","1","7","1","1","9","1") = "8"
    & skf18("7","1","7","1","1","10","1") = "9"
    & skf18("7","1","7","1","2","1","1") = "6"
    & skf18("7","1","7","1","2","2","1") = "6"
    & skf18("7","1","7","1","2","3","1") = "6"
    & skf18("7","1","7","1","2","4","1") = "6"
    & skf18("7","1","7","1","2","5","1") = "6"
    & skf18("7","1","7","1","2","6","1") = "6"
    & skf18("7","1","7","1","2","7","1") = "6"
    & skf18("7","1","7","1","2","8","1") = "7"
    & skf18("7","1","7","1","2","9","1") = "8"
    & skf18("7","1","7","1","2","10","1") = "9"
    & skf18("7","1","7","1","3","1","1") = "6"
    & skf18("7","1","7","1","3","2","1") = "6"
    & skf18("7","1","7","1","3","3","1") = "6"
    & skf18("7","1","7","1","3","4","1") = "6"
    & skf18("7","1","7","1","3","5","1") = "6"
    & skf18("7","1","7","1","3","6","1") = "6"
    & skf18("7","1","7","1","3","7","1") = "6"
    & skf18("7","1","7","1","3","8","1") = "7"
    & skf18("7","1","7","1","3","9","1") = "8"
    & skf18("7","1","7","1","3","10","1") = "9"
    & skf18("7","1","7","1","4","1","1") = "6"
    & skf18("7","1","7","1","4","2","1") = "6"
    & skf18("7","1","7","1","4","3","1") = "6"
    & skf18("7","1","7","1","4","4","1") = "6"
    & skf18("7","1","7","1","4","5","1") = "6"
    & skf18("7","1","7","1","4","6","1") = "6"
    & skf18("7","1","7","1","4","7","1") = "6"
    & skf18("7","1","7","1","4","8","1") = "7"
    & skf18("7","1","7","1","4","9","1") = "8"
    & skf18("7","1","7","1","4","10","1") = "9"
    & skf18("7","1","7","1","5","1","1") = "6"
    & skf18("7","1","7","1","5","2","1") = "6"
    & skf18("7","1","7","1","5","3","1") = "6"
    & skf18("7","1","7","1","5","4","1") = "6"
    & skf18("7","1","7","1","5","5","1") = "6"
    & skf18("7","1","7","1","5","6","1") = "6"
    & skf18("7","1","7","1","5","7","1") = "6"
    & skf18("7","1","7","1","5","8","1") = "7"
    & skf18("7","1","7","1","5","9","1") = "8"
    & skf18("7","1","7","1","5","10","1") = "9"
    & skf18("7","1","7","1","6","1","1") = "6"
    & skf18("7","1","7","1","6","2","1") = "6"
    & skf18("7","1","7","1","6","3","1") = "6"
    & skf18("7","1","7","1","6","4","1") = "6"
    & skf18("7","1","7","1","6","5","1") = "6"
    & skf18("7","1","7","1","6","6","1") = "6"
    & skf18("7","1","7","1","6","7","1") = "6"
    & skf18("7","1","7","1","6","8","1") = "7"
    & skf18("7","1","7","1","6","9","1") = "8"
    & skf18("7","1","7","1","6","10","1") = "9"
    & skf18("7","1","7","1","7","1","1") = "6"
    & skf18("7","1","7","1","7","2","1") = "6"
    & skf18("7","1","7","1","7","3","1") = "6"
    & skf18("7","1","7","1","7","4","1") = "6"
    & skf18("7","1","7","1","7","5","1") = "6"
    & skf18("7","1","7","1","7","6","1") = "6"
    & skf18("7","1","7","1","7","7","1") = "6"
    & skf18("7","1","7","1","7","8","1") = "7"
    & skf18("7","1","7","1","7","9","1") = "8"
    & skf18("7","1","7","1","7","10","1") = "9"
    & skf18("7","1","7","1","8","1","1") = "7"
    & skf18("7","1","7","1","8","2","1") = "7"
    & skf18("7","1","7","1","8","3","1") = "7"
    & skf18("7","1","7","1","8","4","1") = "7"
    & skf18("7","1","7","1","8","5","1") = "7"
    & skf18("7","1","7","1","8","6","1") = "7"
    & skf18("7","1","7","1","8","7","1") = "7"
    & skf18("7","1","7","1","8","8","1") = "7"
    & skf18("7","1","7","1","8","9","1") = "8"
    & skf18("7","1","7","1","8","10","1") = "9"
    & skf18("7","1","7","1","9","1","1") = "8"
    & skf18("7","1","7","1","9","2","1") = "8"
    & skf18("7","1","7","1","9","3","1") = "8"
    & skf18("7","1","7","1","9","4","1") = "8"
    & skf18("7","1","7","1","9","5","1") = "8"
    & skf18("7","1","7","1","9","6","1") = "8"
    & skf18("7","1","7","1","9","7","1") = "8"
    & skf18("7","1","7","1","9","8","1") = "8"
    & skf18("7","1","7","1","9","9","1") = "8"
    & skf18("7","1","7","1","9","10","1") = "9"
    & skf18("7","1","7","1","10","1","1") = "9"
    & skf18("7","1","7","1","10","2","1") = "9"
    & skf18("7","1","7","1","10","3","1") = "9"
    & skf18("7","1","7","1","10","4","1") = "9"
    & skf18("7","1","7","1","10","5","1") = "9"
    & skf18("7","1","7","1","10","6","1") = "9"
    & skf18("7","1","7","1","10","7","1") = "9"
    & skf18("7","1","7","1","10","8","1") = "9"
    & skf18("7","1","7","1","10","9","1") = "9"
    & skf18("7","1","7","1","10","10","1") = "9"
    & skf18("7","1","7","2","1","1","1") = "6"
    & skf18("7","1","7","2","1","2","1") = "6"
    & skf18("7","1","7","2","1","3","1") = "6"
    & skf18("7","1","7","2","1","4","1") = "6"
    & skf18("7","1","7","2","1","5","1") = "6"
    & skf18("7","1","7","2","1","6","1") = "6"
    & skf18("7","1","7","2","1","7","1") = "6"
    & skf18("7","1","7","2","1","8","1") = "7"
    & skf18("7","1","7","2","1","9","1") = "8"
    & skf18("7","1","7","2","1","10","1") = "9"
    & skf18("7","1","7","2","2","1","1") = "6"
    & skf18("7","1","7","2","2","2","1") = "6"
    & skf18("7","1","7","2","2","3","1") = "6"
    & skf18("7","1","7","2","2","4","1") = "6"
    & skf18("7","1","7","2","2","5","1") = "6"
    & skf18("7","1","7","2","2","6","1") = "6"
    & skf18("7","1","7","2","2","7","1") = "6"
    & skf18("7","1","7","2","2","8","1") = "7"
    & skf18("7","1","7","2","2","9","1") = "8"
    & skf18("7","1","7","2","2","10","1") = "9"
    & skf18("7","1","7","2","3","1","1") = "6"
    & skf18("7","1","7","2","3","2","1") = "6"
    & skf18("7","1","7","2","3","3","1") = "6"
    & skf18("7","1","7","2","3","4","1") = "6"
    & skf18("7","1","7","2","3","5","1") = "6"
    & skf18("7","1","7","2","3","6","1") = "6"
    & skf18("7","1","7","2","3","7","1") = "6"
    & skf18("7","1","7","2","3","8","1") = "7"
    & skf18("7","1","7","2","3","9","1") = "8"
    & skf18("7","1","7","2","3","10","1") = "9"
    & skf18("7","1","7","2","4","1","1") = "6"
    & skf18("7","1","7","2","4","2","1") = "6"
    & skf18("7","1","7","2","4","3","1") = "6"
    & skf18("7","1","7","2","4","4","1") = "6"
    & skf18("7","1","7","2","4","5","1") = "6"
    & skf18("7","1","7","2","4","6","1") = "6"
    & skf18("7","1","7","2","4","7","1") = "6"
    & skf18("7","1","7","2","4","8","1") = "7"
    & skf18("7","1","7","2","4","9","1") = "8"
    & skf18("7","1","7","2","4","10","1") = "9"
    & skf18("7","1","7","2","5","1","1") = "6"
    & skf18("7","1","7","2","5","2","1") = "6"
    & skf18("7","1","7","2","5","3","1") = "6"
    & skf18("7","1","7","2","5","4","1") = "6"
    & skf18("7","1","7","2","5","5","1") = "6"
    & skf18("7","1","7","2","5","6","1") = "6"
    & skf18("7","1","7","2","5","7","1") = "6"
    & skf18("7","1","7","2","5","8","1") = "7"
    & skf18("7","1","7","2","5","9","1") = "8"
    & skf18("7","1","7","2","5","10","1") = "9"
    & skf18("7","1","7","2","6","1","1") = "6"
    & skf18("7","1","7","2","6","2","1") = "6"
    & skf18("7","1","7","2","6","3","1") = "6"
    & skf18("7","1","7","2","6","4","1") = "6"
    & skf18("7","1","7","2","6","5","1") = "6"
    & skf18("7","1","7","2","6","6","1") = "6"
    & skf18("7","1","7","2","6","7","1") = "6"
    & skf18("7","1","7","2","6","8","1") = "7"
    & skf18("7","1","7","2","6","9","1") = "8"
    & skf18("7","1","7","2","6","10","1") = "9"
    & skf18("7","1","7","2","7","1","1") = "6"
    & skf18("7","1","7","2","7","2","1") = "6"
    & skf18("7","1","7","2","7","3","1") = "6"
    & skf18("7","1","7","2","7","4","1") = "6"
    & skf18("7","1","7","2","7","5","1") = "6"
    & skf18("7","1","7","2","7","6","1") = "6"
    & skf18("7","1","7","2","7","7","1") = "6"
    & skf18("7","1","7","2","7","8","1") = "7"
    & skf18("7","1","7","2","7","9","1") = "8"
    & skf18("7","1","7","2","7","10","1") = "9"
    & skf18("7","1","7","2","8","1","1") = "7"
    & skf18("7","1","7","2","8","2","1") = "7"
    & skf18("7","1","7","2","8","3","1") = "7"
    & skf18("7","1","7","2","8","4","1") = "7"
    & skf18("7","1","7","2","8","5","1") = "7"
    & skf18("7","1","7","2","8","6","1") = "7"
    & skf18("7","1","7","2","8","7","1") = "7"
    & skf18("7","1","7","2","8","8","1") = "7"
    & skf18("7","1","7","2","8","9","1") = "8"
    & skf18("7","1","7","2","8","10","1") = "9"
    & skf18("7","1","7","2","9","1","1") = "8"
    & skf18("7","1","7","2","9","2","1") = "8"
    & skf18("7","1","7","2","9","3","1") = "8"
    & skf18("7","1","7","2","9","4","1") = "8"
    & skf18("7","1","7","2","9","5","1") = "8"
    & skf18("7","1","7","2","9","6","1") = "8"
    & skf18("7","1","7","2","9","7","1") = "8"
    & skf18("7","1","7","2","9","8","1") = "8"
    & skf18("7","1","7","2","9","9","1") = "8"
    & skf18("7","1","7","2","9","10","1") = "9"
    & skf18("7","1","7","2","10","1","1") = "9"
    & skf18("7","1","7","2","10","2","1") = "9"
    & skf18("7","1","7","2","10","3","1") = "9"
    & skf18("7","1","7","2","10","4","1") = "9"
    & skf18("7","1","7","2","10","5","1") = "9"
    & skf18("7","1","7","2","10","6","1") = "9"
    & skf18("7","1","7","2","10","7","1") = "9"
    & skf18("7","1","7","2","10","8","1") = "9"
    & skf18("7","1","7","2","10","9","1") = "9"
    & skf18("7","1","7","2","10","10","1") = "9"
    & skf18("7","1","7","3","1","1","1") = "6"
    & skf18("7","1","7","3","1","2","1") = "6"
    & skf18("7","1","7","3","1","3","1") = "6"
    & skf18("7","1","7","3","1","4","1") = "6"
    & skf18("7","1","7","3","1","5","1") = "6"
    & skf18("7","1","7","3","1","6","1") = "6"
    & skf18("7","1","7","3","1","7","1") = "6"
    & skf18("7","1","7","3","1","8","1") = "7"
    & skf18("7","1","7","3","1","9","1") = "8"
    & skf18("7","1","7","3","1","10","1") = "9"
    & skf18("7","1","7","3","2","1","1") = "6"
    & skf18("7","1","7","3","2","2","1") = "6"
    & skf18("7","1","7","3","2","3","1") = "6"
    & skf18("7","1","7","3","2","4","1") = "6"
    & skf18("7","1","7","3","2","5","1") = "6"
    & skf18("7","1","7","3","2","6","1") = "6"
    & skf18("7","1","7","3","2","7","1") = "6"
    & skf18("7","1","7","3","2","8","1") = "7"
    & skf18("7","1","7","3","2","9","1") = "8"
    & skf18("7","1","7","3","2","10","1") = "9"
    & skf18("7","1","7","3","3","1","1") = "6"
    & skf18("7","1","7","3","3","2","1") = "6"
    & skf18("7","1","7","3","3","3","1") = "6"
    & skf18("7","1","7","3","3","4","1") = "6"
    & skf18("7","1","7","3","3","5","1") = "6"
    & skf18("7","1","7","3","3","6","1") = "6"
    & skf18("7","1","7","3","3","7","1") = "6"
    & skf18("7","1","7","3","3","8","1") = "7"
    & skf18("7","1","7","3","3","9","1") = "8"
    & skf18("7","1","7","3","3","10","1") = "9"
    & skf18("7","1","7","3","4","1","1") = "6"
    & skf18("7","1","7","3","4","2","1") = "6"
    & skf18("7","1","7","3","4","3","1") = "6"
    & skf18("7","1","7","3","4","4","1") = "6"
    & skf18("7","1","7","3","4","5","1") = "6"
    & skf18("7","1","7","3","4","6","1") = "6"
    & skf18("7","1","7","3","4","7","1") = "6"
    & skf18("7","1","7","3","4","8","1") = "7"
    & skf18("7","1","7","3","4","9","1") = "8"
    & skf18("7","1","7","3","4","10","1") = "9"
    & skf18("7","1","7","3","5","1","1") = "6"
    & skf18("7","1","7","3","5","2","1") = "6"
    & skf18("7","1","7","3","5","3","1") = "6"
    & skf18("7","1","7","3","5","4","1") = "6"
    & skf18("7","1","7","3","5","5","1") = "6"
    & skf18("7","1","7","3","5","6","1") = "6"
    & skf18("7","1","7","3","5","7","1") = "6"
    & skf18("7","1","7","3","5","8","1") = "7"
    & skf18("7","1","7","3","5","9","1") = "8"
    & skf18("7","1","7","3","5","10","1") = "9"
    & skf18("7","1","7","3","6","1","1") = "6"
    & skf18("7","1","7","3","6","2","1") = "6"
    & skf18("7","1","7","3","6","3","1") = "6"
    & skf18("7","1","7","3","6","4","1") = "6"
    & skf18("7","1","7","3","6","5","1") = "6"
    & skf18("7","1","7","3","6","6","1") = "6"
    & skf18("7","1","7","3","6","7","1") = "6"
    & skf18("7","1","7","3","6","8","1") = "7"
    & skf18("7","1","7","3","6","9","1") = "8"
    & skf18("7","1","7","3","6","10","1") = "9"
    & skf18("7","1","7","3","7","1","1") = "6"
    & skf18("7","1","7","3","7","2","1") = "6"
    & skf18("7","1","7","3","7","3","1") = "6"
    & skf18("7","1","7","3","7","4","1") = "6"
    & skf18("7","1","7","3","7","5","1") = "6"
    & skf18("7","1","7","3","7","6","1") = "6"
    & skf18("7","1","7","3","7","7","1") = "6"
    & skf18("7","1","7","3","7","8","1") = "7"
    & skf18("7","1","7","3","7","9","1") = "8"
    & skf18("7","1","7","3","7","10","1") = "9"
    & skf18("7","1","7","3","8","1","1") = "7"
    & skf18("7","1","7","3","8","2","1") = "7"
    & skf18("7","1","7","3","8","3","1") = "7"
    & skf18("7","1","7","3","8","4","1") = "7"
    & skf18("7","1","7","3","8","5","1") = "7"
    & skf18("7","1","7","3","8","6","1") = "7"
    & skf18("7","1","7","3","8","7","1") = "7"
    & skf18("7","1","7","3","8","8","1") = "7"
    & skf18("7","1","7","3","8","9","1") = "8"
    & skf18("7","1","7","3","8","10","1") = "9"
    & skf18("7","1","7","3","9","1","1") = "8"
    & skf18("7","1","7","3","9","2","1") = "8"
    & skf18("7","1","7","3","9","3","1") = "8"
    & skf18("7","1","7","3","9","4","1") = "8"
    & skf18("7","1","7","3","9","5","1") = "8"
    & skf18("7","1","7","3","9","6","1") = "8"
    & skf18("7","1","7","3","9","7","1") = "8"
    & skf18("7","1","7","3","9","8","1") = "8"
    & skf18("7","1","7","3","9","9","1") = "8"
    & skf18("7","1","7","3","9","10","1") = "9"
    & skf18("7","1","7","3","10","1","1") = "9"
    & skf18("7","1","7","3","10","2","1") = "9"
    & skf18("7","1","7","3","10","3","1") = "9"
    & skf18("7","1","7","3","10","4","1") = "9"
    & skf18("7","1","7","3","10","5","1") = "9"
    & skf18("7","1","7","3","10","6","1") = "9"
    & skf18("7","1","7","3","10","7","1") = "9"
    & skf18("7","1","7","3","10","8","1") = "9"
    & skf18("7","1","7","3","10","9","1") = "9"
    & skf18("7","1","7","3","10","10","1") = "9"
    & skf18("7","1","7","4","1","1","1") = "6"
    & skf18("7","1","7","4","1","2","1") = "6"
    & skf18("7","1","7","4","1","3","1") = "6"
    & skf18("7","1","7","4","1","4","1") = "6"
    & skf18("7","1","7","4","1","5","1") = "6"
    & skf18("7","1","7","4","1","6","1") = "6"
    & skf18("7","1","7","4","1","7","1") = "6"
    & skf18("7","1","7","4","1","8","1") = "7"
    & skf18("7","1","7","4","1","9","1") = "8"
    & skf18("7","1","7","4","1","10","1") = "9"
    & skf18("7","1","7","4","2","1","1") = "6"
    & skf18("7","1","7","4","2","2","1") = "6"
    & skf18("7","1","7","4","2","3","1") = "6"
    & skf18("7","1","7","4","2","4","1") = "6"
    & skf18("7","1","7","4","2","5","1") = "6"
    & skf18("7","1","7","4","2","6","1") = "6"
    & skf18("7","1","7","4","2","7","1") = "6"
    & skf18("7","1","7","4","2","8","1") = "7"
    & skf18("7","1","7","4","2","9","1") = "8"
    & skf18("7","1","7","4","2","10","1") = "9"
    & skf18("7","1","7","4","3","1","1") = "6"
    & skf18("7","1","7","4","3","2","1") = "6"
    & skf18("7","1","7","4","3","3","1") = "6"
    & skf18("7","1","7","4","3","4","1") = "6"
    & skf18("7","1","7","4","3","5","1") = "6"
    & skf18("7","1","7","4","3","6","1") = "6"
    & skf18("7","1","7","4","3","7","1") = "6"
    & skf18("7","1","7","4","3","8","1") = "7"
    & skf18("7","1","7","4","3","9","1") = "8"
    & skf18("7","1","7","4","3","10","1") = "9"
    & skf18("7","1","7","4","4","1","1") = "6"
    & skf18("7","1","7","4","4","2","1") = "6"
    & skf18("7","1","7","4","4","3","1") = "6"
    & skf18("7","1","7","4","4","4","1") = "6"
    & skf18("7","1","7","4","4","5","1") = "6"
    & skf18("7","1","7","4","4","6","1") = "6"
    & skf18("7","1","7","4","4","7","1") = "6"
    & skf18("7","1","7","4","4","8","1") = "7"
    & skf18("7","1","7","4","4","9","1") = "8"
    & skf18("7","1","7","4","4","10","1") = "9"
    & skf18("7","1","7","4","5","1","1") = "6"
    & skf18("7","1","7","4","5","2","1") = "6"
    & skf18("7","1","7","4","5","3","1") = "6"
    & skf18("7","1","7","4","5","4","1") = "6"
    & skf18("7","1","7","4","5","5","1") = "6"
    & skf18("7","1","7","4","5","6","1") = "6"
    & skf18("7","1","7","4","5","7","1") = "6"
    & skf18("7","1","7","4","5","8","1") = "7"
    & skf18("7","1","7","4","5","9","1") = "8"
    & skf18("7","1","7","4","5","10","1") = "9"
    & skf18("7","1","7","4","6","1","1") = "6"
    & skf18("7","1","7","4","6","2","1") = "6"
    & skf18("7","1","7","4","6","3","1") = "6"
    & skf18("7","1","7","4","6","4","1") = "6"
    & skf18("7","1","7","4","6","5","1") = "6"
    & skf18("7","1","7","4","6","6","1") = "6"
    & skf18("7","1","7","4","6","7","1") = "6"
    & skf18("7","1","7","4","6","8","1") = "7"
    & skf18("7","1","7","4","6","9","1") = "8"
    & skf18("7","1","7","4","6","10","1") = "9"
    & skf18("7","1","7","4","7","1","1") = "6"
    & skf18("7","1","7","4","7","2","1") = "6"
    & skf18("7","1","7","4","7","3","1") = "6"
    & skf18("7","1","7","4","7","4","1") = "6"
    & skf18("7","1","7","4","7","5","1") = "6"
    & skf18("7","1","7","4","7","6","1") = "6"
    & skf18("7","1","7","4","7","7","1") = "6"
    & skf18("7","1","7","4","7","8","1") = "7"
    & skf18("7","1","7","4","7","9","1") = "8"
    & skf18("7","1","7","4","7","10","1") = "9"
    & skf18("7","1","7","4","8","1","1") = "7"
    & skf18("7","1","7","4","8","2","1") = "7"
    & skf18("7","1","7","4","8","3","1") = "7"
    & skf18("7","1","7","4","8","4","1") = "7"
    & skf18("7","1","7","4","8","5","1") = "7"
    & skf18("7","1","7","4","8","6","1") = "7"
    & skf18("7","1","7","4","8","7","1") = "7"
    & skf18("7","1","7","4","8","8","1") = "7"
    & skf18("7","1","7","4","8","9","1") = "8"
    & skf18("7","1","7","4","8","10","1") = "9"
    & skf18("7","1","7","4","9","1","1") = "8"
    & skf18("7","1","7","4","9","2","1") = "8"
    & skf18("7","1","7","4","9","3","1") = "8"
    & skf18("7","1","7","4","9","4","1") = "8"
    & skf18("7","1","7","4","9","5","1") = "8"
    & skf18("7","1","7","4","9","6","1") = "8"
    & skf18("7","1","7","4","9","7","1") = "8"
    & skf18("7","1","7","4","9","8","1") = "8"
    & skf18("7","1","7","4","9","9","1") = "8"
    & skf18("7","1","7","4","9","10","1") = "9"
    & skf18("7","1","7","4","10","1","1") = "9"
    & skf18("7","1","7","4","10","2","1") = "9"
    & skf18("7","1","7","4","10","3","1") = "9"
    & skf18("7","1","7","4","10","4","1") = "9"
    & skf18("7","1","7","4","10","5","1") = "9"
    & skf18("7","1","7","4","10","6","1") = "9"
    & skf18("7","1","7","4","10","7","1") = "9"
    & skf18("7","1","7","4","10","8","1") = "9"
    & skf18("7","1","7","4","10","9","1") = "9"
    & skf18("7","1","7","4","10","10","1") = "9"
    & skf18("7","1","7","5","1","1","1") = "6"
    & skf18("7","1","7","5","1","2","1") = "6"
    & skf18("7","1","7","5","1","3","1") = "6"
    & skf18("7","1","7","5","1","4","1") = "6"
    & skf18("7","1","7","5","1","5","1") = "6"
    & skf18("7","1","7","5","1","6","1") = "6"
    & skf18("7","1","7","5","1","7","1") = "6"
    & skf18("7","1","7","5","1","8","1") = "7"
    & skf18("7","1","7","5","1","9","1") = "8"
    & skf18("7","1","7","5","1","10","1") = "9"
    & skf18("7","1","7","5","2","1","1") = "6"
    & skf18("7","1","7","5","2","2","1") = "6"
    & skf18("7","1","7","5","2","3","1") = "6"
    & skf18("7","1","7","5","2","4","1") = "6"
    & skf18("7","1","7","5","2","5","1") = "6"
    & skf18("7","1","7","5","2","6","1") = "6"
    & skf18("7","1","7","5","2","7","1") = "6"
    & skf18("7","1","7","5","2","8","1") = "7"
    & skf18("7","1","7","5","2","9","1") = "8"
    & skf18("7","1","7","5","2","10","1") = "9"
    & skf18("7","1","7","5","3","1","1") = "6"
    & skf18("7","1","7","5","3","2","1") = "6"
    & skf18("7","1","7","5","3","3","1") = "6"
    & skf18("7","1","7","5","3","4","1") = "6"
    & skf18("7","1","7","5","3","5","1") = "6"
    & skf18("7","1","7","5","3","6","1") = "6"
    & skf18("7","1","7","5","3","7","1") = "6"
    & skf18("7","1","7","5","3","8","1") = "7"
    & skf18("7","1","7","5","3","9","1") = "8"
    & skf18("7","1","7","5","3","10","1") = "9"
    & skf18("7","1","7","5","4","1","1") = "6"
    & skf18("7","1","7","5","4","2","1") = "6"
    & skf18("7","1","7","5","4","3","1") = "6"
    & skf18("7","1","7","5","4","4","1") = "6"
    & skf18("7","1","7","5","4","5","1") = "6"
    & skf18("7","1","7","5","4","6","1") = "6"
    & skf18("7","1","7","5","4","7","1") = "6"
    & skf18("7","1","7","5","4","8","1") = "7"
    & skf18("7","1","7","5","4","9","1") = "8"
    & skf18("7","1","7","5","4","10","1") = "9"
    & skf18("7","1","7","5","5","1","1") = "6"
    & skf18("7","1","7","5","5","2","1") = "6"
    & skf18("7","1","7","5","5","3","1") = "6"
    & skf18("7","1","7","5","5","4","1") = "6"
    & skf18("7","1","7","5","5","5","1") = "6"
    & skf18("7","1","7","5","5","6","1") = "6"
    & skf18("7","1","7","5","5","7","1") = "6"
    & skf18("7","1","7","5","5","8","1") = "7"
    & skf18("7","1","7","5","5","9","1") = "8"
    & skf18("7","1","7","5","5","10","1") = "9"
    & skf18("7","1","7","5","6","1","1") = "6"
    & skf18("7","1","7","5","6","2","1") = "6"
    & skf18("7","1","7","5","6","3","1") = "6"
    & skf18("7","1","7","5","6","4","1") = "6"
    & skf18("7","1","7","5","6","5","1") = "6"
    & skf18("7","1","7","5","6","6","1") = "6"
    & skf18("7","1","7","5","6","7","1") = "6"
    & skf18("7","1","7","5","6","8","1") = "7"
    & skf18("7","1","7","5","6","9","1") = "8"
    & skf18("7","1","7","5","6","10","1") = "9"
    & skf18("7","1","7","5","7","1","1") = "6"
    & skf18("7","1","7","5","7","2","1") = "6"
    & skf18("7","1","7","5","7","3","1") = "6"
    & skf18("7","1","7","5","7","4","1") = "6"
    & skf18("7","1","7","5","7","5","1") = "6"
    & skf18("7","1","7","5","7","6","1") = "6"
    & skf18("7","1","7","5","7","7","1") = "6"
    & skf18("7","1","7","5","7","8","1") = "7"
    & skf18("7","1","7","5","7","9","1") = "8"
    & skf18("7","1","7","5","7","10","1") = "9"
    & skf18("7","1","7","5","8","1","1") = "7"
    & skf18("7","1","7","5","8","2","1") = "7"
    & skf18("7","1","7","5","8","3","1") = "7"
    & skf18("7","1","7","5","8","4","1") = "7"
    & skf18("7","1","7","5","8","5","1") = "7"
    & skf18("7","1","7","5","8","6","1") = "7"
    & skf18("7","1","7","5","8","7","1") = "7"
    & skf18("7","1","7","5","8","8","1") = "7"
    & skf18("7","1","7","5","8","9","1") = "8"
    & skf18("7","1","7","5","8","10","1") = "9"
    & skf18("7","1","7","5","9","1","1") = "8"
    & skf18("7","1","7","5","9","2","1") = "8"
    & skf18("7","1","7","5","9","3","1") = "8"
    & skf18("7","1","7","5","9","4","1") = "8"
    & skf18("7","1","7","5","9","5","1") = "8"
    & skf18("7","1","7","5","9","6","1") = "8"
    & skf18("7","1","7","5","9","7","1") = "8"
    & skf18("7","1","7","5","9","8","1") = "8"
    & skf18("7","1","7","5","9","9","1") = "8"
    & skf18("7","1","7","5","9","10","1") = "9"
    & skf18("7","1","7","5","10","1","1") = "9"
    & skf18("7","1","7","5","10","2","1") = "9"
    & skf18("7","1","7","5","10","3","1") = "9"
    & skf18("7","1","7","5","10","4","1") = "9"
    & skf18("7","1","7","5","10","5","1") = "9"
    & skf18("7","1","7","5","10","6","1") = "9"
    & skf18("7","1","7","5","10","7","1") = "9"
    & skf18("7","1","7","5","10","8","1") = "9"
    & skf18("7","1","7","5","10","9","1") = "9"
    & skf18("7","1","7","5","10","10","1") = "9"
    & skf18("7","1","7","6","1","1","1") = "6"
    & skf18("7","1","7","6","1","2","1") = "6"
    & skf18("7","1","7","6","1","3","1") = "6"
    & skf18("7","1","7","6","1","4","1") = "6"
    & skf18("7","1","7","6","1","5","1") = "6"
    & skf18("7","1","7","6","1","6","1") = "6"
    & skf18("7","1","7","6","1","7","1") = "6"
    & skf18("7","1","7","6","1","8","1") = "7"
    & skf18("7","1","7","6","1","9","1") = "8"
    & skf18("7","1","7","6","1","10","1") = "9"
    & skf18("7","1","7","6","2","1","1") = "6"
    & skf18("7","1","7","6","2","2","1") = "6"
    & skf18("7","1","7","6","2","3","1") = "6"
    & skf18("7","1","7","6","2","4","1") = "6"
    & skf18("7","1","7","6","2","5","1") = "6"
    & skf18("7","1","7","6","2","6","1") = "6"
    & skf18("7","1","7","6","2","7","1") = "6"
    & skf18("7","1","7","6","2","8","1") = "7"
    & skf18("7","1","7","6","2","9","1") = "8"
    & skf18("7","1","7","6","2","10","1") = "9"
    & skf18("7","1","7","6","3","1","1") = "6"
    & skf18("7","1","7","6","3","2","1") = "6"
    & skf18("7","1","7","6","3","3","1") = "6"
    & skf18("7","1","7","6","3","4","1") = "6"
    & skf18("7","1","7","6","3","5","1") = "6"
    & skf18("7","1","7","6","3","6","1") = "6"
    & skf18("7","1","7","6","3","7","1") = "6"
    & skf18("7","1","7","6","3","8","1") = "7"
    & skf18("7","1","7","6","3","9","1") = "8"
    & skf18("7","1","7","6","3","10","1") = "9"
    & skf18("7","1","7","6","4","1","1") = "6"
    & skf18("7","1","7","6","4","2","1") = "6"
    & skf18("7","1","7","6","4","3","1") = "6"
    & skf18("7","1","7","6","4","4","1") = "6"
    & skf18("7","1","7","6","4","5","1") = "6"
    & skf18("7","1","7","6","4","6","1") = "6"
    & skf18("7","1","7","6","4","7","1") = "6"
    & skf18("7","1","7","6","4","8","1") = "7"
    & skf18("7","1","7","6","4","9","1") = "8"
    & skf18("7","1","7","6","4","10","1") = "9"
    & skf18("7","1","7","6","5","1","1") = "6"
    & skf18("7","1","7","6","5","2","1") = "6"
    & skf18("7","1","7","6","5","3","1") = "6"
    & skf18("7","1","7","6","5","4","1") = "6"
    & skf18("7","1","7","6","5","5","1") = "6"
    & skf18("7","1","7","6","5","6","1") = "6"
    & skf18("7","1","7","6","5","7","1") = "6"
    & skf18("7","1","7","6","5","8","1") = "7"
    & skf18("7","1","7","6","5","9","1") = "8"
    & skf18("7","1","7","6","5","10","1") = "9"
    & skf18("7","1","7","6","6","1","1") = "6"
    & skf18("7","1","7","6","6","2","1") = "6"
    & skf18("7","1","7","6","6","3","1") = "6"
    & skf18("7","1","7","6","6","4","1") = "6"
    & skf18("7","1","7","6","6","5","1") = "6"
    & skf18("7","1","7","6","6","6","1") = "6"
    & skf18("7","1","7","6","6","7","1") = "6"
    & skf18("7","1","7","6","6","8","1") = "7"
    & skf18("7","1","7","6","6","9","1") = "8"
    & skf18("7","1","7","6","6","10","1") = "9"
    & skf18("7","1","7","6","7","1","1") = "6"
    & skf18("7","1","7","6","7","2","1") = "6"
    & skf18("7","1","7","6","7","3","1") = "6"
    & skf18("7","1","7","6","7","4","1") = "6"
    & skf18("7","1","7","6","7","5","1") = "6"
    & skf18("7","1","7","6","7","6","1") = "6"
    & skf18("7","1","7","6","7","7","1") = "6"
    & skf18("7","1","7","6","7","8","1") = "7"
    & skf18("7","1","7","6","7","9","1") = "8"
    & skf18("7","1","7","6","7","10","1") = "9"
    & skf18("7","1","7","6","8","1","1") = "7"
    & skf18("7","1","7","6","8","2","1") = "7"
    & skf18("7","1","7","6","8","3","1") = "7"
    & skf18("7","1","7","6","8","4","1") = "7"
    & skf18("7","1","7","6","8","5","1") = "7"
    & skf18("7","1","7","6","8","6","1") = "7"
    & skf18("7","1","7","6","8","7","1") = "7"
    & skf18("7","1","7","6","8","8","1") = "7"
    & skf18("7","1","7","6","8","9","1") = "8"
    & skf18("7","1","7","6","8","10","1") = "9"
    & skf18("7","1","7","6","9","1","1") = "8"
    & skf18("7","1","7","6","9","2","1") = "8"
    & skf18("7","1","7","6","9","3","1") = "8"
    & skf18("7","1","7","6","9","4","1") = "8"
    & skf18("7","1","7","6","9","5","1") = "8"
    & skf18("7","1","7","6","9","6","1") = "8"
    & skf18("7","1","7","6","9","7","1") = "8"
    & skf18("7","1","7","6","9","8","1") = "8"
    & skf18("7","1","7","6","9","9","1") = "8"
    & skf18("7","1","7","6","9","10","1") = "9"
    & skf18("7","1","7","6","10","1","1") = "9"
    & skf18("7","1","7","6","10","2","1") = "9"
    & skf18("7","1","7","6","10","3","1") = "9"
    & skf18("7","1","7","6","10","4","1") = "9"
    & skf18("7","1","7","6","10","5","1") = "9"
    & skf18("7","1","7","6","10","6","1") = "9"
    & skf18("7","1","7","6","10","7","1") = "9"
    & skf18("7","1","7","6","10","8","1") = "9"
    & skf18("7","1","7","6","10","9","1") = "9"
    & skf18("7","1","7","6","10","10","1") = "9"
    & skf18("7","1","7","7","1","1","1") = "6"
    & skf18("7","1","7","7","1","2","1") = "6"
    & skf18("7","1","7","7","1","3","1") = "6"
    & skf18("7","1","7","7","1","4","1") = "6"
    & skf18("7","1","7","7","1","5","1") = "6"
    & skf18("7","1","7","7","1","6","1") = "6"
    & skf18("7","1","7","7","1","7","1") = "6"
    & skf18("7","1","7","7","1","8","1") = "7"
    & skf18("7","1","7","7","1","9","1") = "8"
    & skf18("7","1","7","7","1","10","1") = "9"
    & skf18("7","1","7","7","2","1","1") = "6"
    & skf18("7","1","7","7","2","2","1") = "6"
    & skf18("7","1","7","7","2","3","1") = "6"
    & skf18("7","1","7","7","2","4","1") = "6"
    & skf18("7","1","7","7","2","5","1") = "6"
    & skf18("7","1","7","7","2","6","1") = "6"
    & skf18("7","1","7","7","2","7","1") = "6"
    & skf18("7","1","7","7","2","8","1") = "7"
    & skf18("7","1","7","7","2","9","1") = "8"
    & skf18("7","1","7","7","2","10","1") = "9"
    & skf18("7","1","7","7","3","1","1") = "6"
    & skf18("7","1","7","7","3","2","1") = "6"
    & skf18("7","1","7","7","3","3","1") = "6"
    & skf18("7","1","7","7","3","4","1") = "6"
    & skf18("7","1","7","7","3","5","1") = "6"
    & skf18("7","1","7","7","3","6","1") = "6"
    & skf18("7","1","7","7","3","7","1") = "6"
    & skf18("7","1","7","7","3","8","1") = "7"
    & skf18("7","1","7","7","3","9","1") = "8"
    & skf18("7","1","7","7","3","10","1") = "9"
    & skf18("7","1","7","7","4","1","1") = "6"
    & skf18("7","1","7","7","4","2","1") = "6"
    & skf18("7","1","7","7","4","3","1") = "6"
    & skf18("7","1","7","7","4","4","1") = "6"
    & skf18("7","1","7","7","4","5","1") = "6"
    & skf18("7","1","7","7","4","6","1") = "6"
    & skf18("7","1","7","7","4","7","1") = "6"
    & skf18("7","1","7","7","4","8","1") = "7"
    & skf18("7","1","7","7","4","9","1") = "8"
    & skf18("7","1","7","7","4","10","1") = "9"
    & skf18("7","1","7","7","5","1","1") = "6"
    & skf18("7","1","7","7","5","2","1") = "6"
    & skf18("7","1","7","7","5","3","1") = "6"
    & skf18("7","1","7","7","5","4","1") = "6"
    & skf18("7","1","7","7","5","5","1") = "6"
    & skf18("7","1","7","7","5","6","1") = "6"
    & skf18("7","1","7","7","5","7","1") = "6"
    & skf18("7","1","7","7","5","8","1") = "7"
    & skf18("7","1","7","7","5","9","1") = "8"
    & skf18("7","1","7","7","5","10","1") = "9"
    & skf18("7","1","7","7","6","1","1") = "6"
    & skf18("7","1","7","7","6","2","1") = "6"
    & skf18("7","1","7","7","6","3","1") = "6"
    & skf18("7","1","7","7","6","4","1") = "6"
    & skf18("7","1","7","7","6","5","1") = "6"
    & skf18("7","1","7","7","6","6","1") = "6"
    & skf18("7","1","7","7","6","7","1") = "6"
    & skf18("7","1","7","7","6","8","1") = "7"
    & skf18("7","1","7","7","6","9","1") = "8"
    & skf18("7","1","7","7","6","10","1") = "9"
    & skf18("7","1","7","7","7","1","1") = "6"
    & skf18("7","1","7","7","7","2","1") = "6"
    & skf18("7","1","7","7","7","3","1") = "6"
    & skf18("7","1","7","7","7","4","1") = "6"
    & skf18("7","1","7","7","7","5","1") = "6"
    & skf18("7","1","7","7","7","6","1") = "6"
    & skf18("7","1","7","7","7","7","1") = "6"
    & skf18("7","1","7","7","7","8","1") = "7"
    & skf18("7","1","7","7","7","9","1") = "8"
    & skf18("7","1","7","7","7","10","1") = "9"
    & skf18("7","1","7","7","8","1","1") = "7"
    & skf18("7","1","7","7","8","2","1") = "7"
    & skf18("7","1","7","7","8","3","1") = "7"
    & skf18("7","1","7","7","8","4","1") = "7"
    & skf18("7","1","7","7","8","5","1") = "7"
    & skf18("7","1","7","7","8","6","1") = "7"
    & skf18("7","1","7","7","8","7","1") = "7"
    & skf18("7","1","7","7","8","8","1") = "7"
    & skf18("7","1","7","7","8","9","1") = "8"
    & skf18("7","1","7","7","8","10","1") = "9"
    & skf18("7","1","7","7","9","1","1") = "8"
    & skf18("7","1","7","7","9","2","1") = "8"
    & skf18("7","1","7","7","9","3","1") = "8"
    & skf18("7","1","7","7","9","4","1") = "8"
    & skf18("7","1","7","7","9","5","1") = "8"
    & skf18("7","1","7","7","9","6","1") = "8"
    & skf18("7","1","7","7","9","7","1") = "8"
    & skf18("7","1","7","7","9","8","1") = "8"
    & skf18("7","1","7","7","9","9","1") = "8"
    & skf18("7","1","7","7","9","10","1") = "9"
    & skf18("7","1","7","7","10","1","1") = "9"
    & skf18("7","1","7","7","10","2","1") = "9"
    & skf18("7","1","7","7","10","3","1") = "9"
    & skf18("7","1","7","7","10","4","1") = "9"
    & skf18("7","1","7","7","10","5","1") = "9"
    & skf18("7","1","7","7","10","6","1") = "9"
    & skf18("7","1","7","7","10","7","1") = "9"
    & skf18("7","1","7","7","10","8","1") = "9"
    & skf18("7","1","7","7","10","9","1") = "9"
    & skf18("7","1","7","7","10","10","1") = "9"
    & skf18("7","1","7","8","1","1","1") = "7"
    & skf18("7","1","7","8","1","2","1") = "7"
    & skf18("7","1","7","8","1","3","1") = "7"
    & skf18("7","1","7","8","1","4","1") = "7"
    & skf18("7","1","7","8","1","5","1") = "7"
    & skf18("7","1","7","8","1","6","1") = "7"
    & skf18("7","1","7","8","1","7","1") = "7"
    & skf18("7","1","7","8","1","8","1") = "7"
    & skf18("7","1","7","8","1","9","1") = "8"
    & skf18("7","1","7","8","1","10","1") = "9"
    & skf18("7","1","7","8","2","1","1") = "7"
    & skf18("7","1","7","8","2","2","1") = "7"
    & skf18("7","1","7","8","2","3","1") = "7"
    & skf18("7","1","7","8","2","4","1") = "7"
    & skf18("7","1","7","8","2","5","1") = "7"
    & skf18("7","1","7","8","2","6","1") = "7"
    & skf18("7","1","7","8","2","7","1") = "7"
    & skf18("7","1","7","8","2","8","1") = "7"
    & skf18("7","1","7","8","2","9","1") = "8"
    & skf18("7","1","7","8","2","10","1") = "9"
    & skf18("7","1","7","8","3","1","1") = "7"
    & skf18("7","1","7","8","3","2","1") = "7"
    & skf18("7","1","7","8","3","3","1") = "7"
    & skf18("7","1","7","8","3","4","1") = "7"
    & skf18("7","1","7","8","3","5","1") = "7"
    & skf18("7","1","7","8","3","6","1") = "7"
    & skf18("7","1","7","8","3","7","1") = "7"
    & skf18("7","1","7","8","3","8","1") = "7"
    & skf18("7","1","7","8","3","9","1") = "8"
    & skf18("7","1","7","8","3","10","1") = "9"
    & skf18("7","1","7","8","4","1","1") = "7"
    & skf18("7","1","7","8","4","2","1") = "7"
    & skf18("7","1","7","8","4","3","1") = "7"
    & skf18("7","1","7","8","4","4","1") = "7"
    & skf18("7","1","7","8","4","5","1") = "7"
    & skf18("7","1","7","8","4","6","1") = "7"
    & skf18("7","1","7","8","4","7","1") = "7"
    & skf18("7","1","7","8","4","8","1") = "7"
    & skf18("7","1","7","8","4","9","1") = "8"
    & skf18("7","1","7","8","4","10","1") = "9"
    & skf18("7","1","7","8","5","1","1") = "7"
    & skf18("7","1","7","8","5","2","1") = "7"
    & skf18("7","1","7","8","5","3","1") = "7"
    & skf18("7","1","7","8","5","4","1") = "7"
    & skf18("7","1","7","8","5","5","1") = "7"
    & skf18("7","1","7","8","5","6","1") = "7"
    & skf18("7","1","7","8","5","7","1") = "7"
    & skf18("7","1","7","8","5","8","1") = "7"
    & skf18("7","1","7","8","5","9","1") = "8"
    & skf18("7","1","7","8","5","10","1") = "9"
    & skf18("7","1","7","8","6","1","1") = "7"
    & skf18("7","1","7","8","6","2","1") = "7"
    & skf18("7","1","7","8","6","3","1") = "7"
    & skf18("7","1","7","8","6","4","1") = "7"
    & skf18("7","1","7","8","6","5","1") = "7"
    & skf18("7","1","7","8","6","6","1") = "7"
    & skf18("7","1","7","8","6","7","1") = "7"
    & skf18("7","1","7","8","6","8","1") = "7"
    & skf18("7","1","7","8","6","9","1") = "8"
    & skf18("7","1","7","8","6","10","1") = "9"
    & skf18("7","1","7","8","7","1","1") = "7"
    & skf18("7","1","7","8","7","2","1") = "7"
    & skf18("7","1","7","8","7","3","1") = "7"
    & skf18("7","1","7","8","7","4","1") = "7"
    & skf18("7","1","7","8","7","5","1") = "7"
    & skf18("7","1","7","8","7","6","1") = "7"
    & skf18("7","1","7","8","7","7","1") = "7"
    & skf18("7","1","7","8","7","8","1") = "7"
    & skf18("7","1","7","8","7","9","1") = "8"
    & skf18("7","1","7","8","7","10","1") = "9"
    & skf18("7","1","7","8","8","1","1") = "7"
    & skf18("7","1","7","8","8","2","1") = "7"
    & skf18("7","1","7","8","8","3","1") = "7"
    & skf18("7","1","7","8","8","4","1") = "7"
    & skf18("7","1","7","8","8","5","1") = "7"
    & skf18("7","1","7","8","8","6","1") = "7"
    & skf18("7","1","7","8","8","7","1") = "7"
    & skf18("7","1","7","8","8","8","1") = "7"
    & skf18("7","1","7","8","8","9","1") = "8"
    & skf18("7","1","7","8","8","10","1") = "9"
    & skf18("7","1","7","8","9","1","1") = "8"
    & skf18("7","1","7","8","9","2","1") = "8"
    & skf18("7","1","7","8","9","3","1") = "8"
    & skf18("7","1","7","8","9","4","1") = "8"
    & skf18("7","1","7","8","9","5","1") = "8"
    & skf18("7","1","7","8","9","6","1") = "8"
    & skf18("7","1","7","8","9","7","1") = "8"
    & skf18("7","1","7","8","9","8","1") = "8"
    & skf18("7","1","7","8","9","9","1") = "8"
    & skf18("7","1","7","8","9","10","1") = "9"
    & skf18("7","1","7","8","10","1","1") = "9"
    & skf18("7","1","7","8","10","2","1") = "9"
    & skf18("7","1","7","8","10","3","1") = "9"
    & skf18("7","1","7","8","10","4","1") = "9"
    & skf18("7","1","7","8","10","5","1") = "9"
    & skf18("7","1","7","8","10","6","1") = "9"
    & skf18("7","1","7","8","10","7","1") = "9"
    & skf18("7","1","7","8","10","8","1") = "9"
    & skf18("7","1","7","8","10","9","1") = "9"
    & skf18("7","1","7","8","10","10","1") = "9"
    & skf18("7","1","7","9","1","1","1") = "8"
    & skf18("7","1","7","9","1","2","1") = "8"
    & skf18("7","1","7","9","1","3","1") = "8"
    & skf18("7","1","7","9","1","4","1") = "8"
    & skf18("7","1","7","9","1","5","1") = "8"
    & skf18("7","1","7","9","1","6","1") = "8"
    & skf18("7","1","7","9","1","7","1") = "8"
    & skf18("7","1","7","9","1","8","1") = "8"
    & skf18("7","1","7","9","1","9","1") = "8"
    & skf18("7","1","7","9","1","10","1") = "9"
    & skf18("7","1","7","9","2","1","1") = "8"
    & skf18("7","1","7","9","2","2","1") = "8"
    & skf18("7","1","7","9","2","3","1") = "8"
    & skf18("7","1","7","9","2","4","1") = "8"
    & skf18("7","1","7","9","2","5","1") = "8"
    & skf18("7","1","7","9","2","6","1") = "8"
    & skf18("7","1","7","9","2","7","1") = "8"
    & skf18("7","1","7","9","2","8","1") = "8"
    & skf18("7","1","7","9","2","9","1") = "8"
    & skf18("7","1","7","9","2","10","1") = "9"
    & skf18("7","1","7","9","3","1","1") = "8"
    & skf18("7","1","7","9","3","2","1") = "8"
    & skf18("7","1","7","9","3","3","1") = "8"
    & skf18("7","1","7","9","3","4","1") = "8"
    & skf18("7","1","7","9","3","5","1") = "8"
    & skf18("7","1","7","9","3","6","1") = "8"
    & skf18("7","1","7","9","3","7","1") = "8"
    & skf18("7","1","7","9","3","8","1") = "8"
    & skf18("7","1","7","9","3","9","1") = "8"
    & skf18("7","1","7","9","3","10","1") = "9"
    & skf18("7","1","7","9","4","1","1") = "8"
    & skf18("7","1","7","9","4","2","1") = "8"
    & skf18("7","1","7","9","4","3","1") = "8"
    & skf18("7","1","7","9","4","4","1") = "8"
    & skf18("7","1","7","9","4","5","1") = "8"
    & skf18("7","1","7","9","4","6","1") = "8"
    & skf18("7","1","7","9","4","7","1") = "8"
    & skf18("7","1","7","9","4","8","1") = "8"
    & skf18("7","1","7","9","4","9","1") = "8"
    & skf18("7","1","7","9","4","10","1") = "9"
    & skf18("7","1","7","9","5","1","1") = "8"
    & skf18("7","1","7","9","5","2","1") = "8"
    & skf18("7","1","7","9","5","3","1") = "8"
    & skf18("7","1","7","9","5","4","1") = "8"
    & skf18("7","1","7","9","5","5","1") = "8"
    & skf18("7","1","7","9","5","6","1") = "8"
    & skf18("7","1","7","9","5","7","1") = "8"
    & skf18("7","1","7","9","5","8","1") = "8"
    & skf18("7","1","7","9","5","9","1") = "8"
    & skf18("7","1","7","9","5","10","1") = "9"
    & skf18("7","1","7","9","6","1","1") = "8"
    & skf18("7","1","7","9","6","2","1") = "8"
    & skf18("7","1","7","9","6","3","1") = "8"
    & skf18("7","1","7","9","6","4","1") = "8"
    & skf18("7","1","7","9","6","5","1") = "8"
    & skf18("7","1","7","9","6","6","1") = "8"
    & skf18("7","1","7","9","6","7","1") = "8"
    & skf18("7","1","7","9","6","8","1") = "8"
    & skf18("7","1","7","9","6","9","1") = "8"
    & skf18("7","1","7","9","6","10","1") = "9"
    & skf18("7","1","7","9","7","1","1") = "8"
    & skf18("7","1","7","9","7","2","1") = "8"
    & skf18("7","1","7","9","7","3","1") = "8"
    & skf18("7","1","7","9","7","4","1") = "8"
    & skf18("7","1","7","9","7","5","1") = "8"
    & skf18("7","1","7","9","7","6","1") = "8"
    & skf18("7","1","7","9","7","7","1") = "8"
    & skf18("7","1","7","9","7","8","1") = "8"
    & skf18("7","1","7","9","7","9","1") = "8"
    & skf18("7","1","7","9","7","10","1") = "9"
    & skf18("7","1","7","9","8","1","1") = "8"
    & skf18("7","1","7","9","8","2","1") = "8"
    & skf18("7","1","7","9","8","3","1") = "8"
    & skf18("7","1","7","9","8","4","1") = "8"
    & skf18("7","1","7","9","8","5","1") = "8"
    & skf18("7","1","7","9","8","6","1") = "8"
    & skf18("7","1","7","9","8","7","1") = "8"
    & skf18("7","1","7","9","8","8","1") = "8"
    & skf18("7","1","7","9","8","9","1") = "8"
    & skf18("7","1","7","9","8","10","1") = "9"
    & skf18("7","1","7","9","9","1","1") = "8"
    & skf18("7","1","7","9","9","2","1") = "8"
    & skf18("7","1","7","9","9","3","1") = "8"
    & skf18("7","1","7","9","9","4","1") = "8"
    & skf18("7","1","7","9","9","5","1") = "8"
    & skf18("7","1","7","9","9","6","1") = "8"
    & skf18("7","1","7","9","9","7","1") = "8"
    & skf18("7","1","7","9","9","8","1") = "8"
    & skf18("7","1","7","9","9","9","1") = "8"
    & skf18("7","1","7","9","9","10","1") = "9"
    & skf18("7","1","7","9","10","1","1") = "9"
    & skf18("7","1","7","9","10","2","1") = "9"
    & skf18("7","1","7","9","10","3","1") = "9"
    & skf18("7","1","7","9","10","4","1") = "9"
    & skf18("7","1","7","9","10","5","1") = "9"
    & skf18("7","1","7","9","10","6","1") = "9"
    & skf18("7","1","7","9","10","7","1") = "9"
    & skf18("7","1","7","9","10","8","1") = "9"
    & skf18("7","1","7","9","10","9","1") = "9"
    & skf18("7","1","7","9","10","10","1") = "9"
    & skf18("7","1","7","10","1","1","1") = "9"
    & skf18("7","1","7","10","1","2","1") = "9"
    & skf18("7","1","7","10","1","3","1") = "9"
    & skf18("7","1","7","10","1","4","1") = "9"
    & skf18("7","1","7","10","1","5","1") = "9"
    & skf18("7","1","7","10","1","6","1") = "9"
    & skf18("7","1","7","10","1","7","1") = "9"
    & skf18("7","1","7","10","1","8","1") = "9"
    & skf18("7","1","7","10","1","9","1") = "9"
    & skf18("7","1","7","10","1","10","1") = "9"
    & skf18("7","1","7","10","2","1","1") = "9"
    & skf18("7","1","7","10","2","2","1") = "9"
    & skf18("7","1","7","10","2","3","1") = "9"
    & skf18("7","1","7","10","2","4","1") = "9"
    & skf18("7","1","7","10","2","5","1") = "9"
    & skf18("7","1","7","10","2","6","1") = "9"
    & skf18("7","1","7","10","2","7","1") = "9"
    & skf18("7","1","7","10","2","8","1") = "9"
    & skf18("7","1","7","10","2","9","1") = "9"
    & skf18("7","1","7","10","2","10","1") = "9"
    & skf18("7","1","7","10","3","1","1") = "9"
    & skf18("7","1","7","10","3","2","1") = "9"
    & skf18("7","1","7","10","3","3","1") = "9"
    & skf18("7","1","7","10","3","4","1") = "9"
    & skf18("7","1","7","10","3","5","1") = "9"
    & skf18("7","1","7","10","3","6","1") = "9"
    & skf18("7","1","7","10","3","7","1") = "9"
    & skf18("7","1","7","10","3","8","1") = "9"
    & skf18("7","1","7","10","3","9","1") = "9"
    & skf18("7","1","7","10","3","10","1") = "9"
    & skf18("7","1","7","10","4","1","1") = "9"
    & skf18("7","1","7","10","4","2","1") = "9"
    & skf18("7","1","7","10","4","3","1") = "9"
    & skf18("7","1","7","10","4","4","1") = "9"
    & skf18("7","1","7","10","4","5","1") = "9"
    & skf18("7","1","7","10","4","6","1") = "9"
    & skf18("7","1","7","10","4","7","1") = "9"
    & skf18("7","1","7","10","4","8","1") = "9"
    & skf18("7","1","7","10","4","9","1") = "9"
    & skf18("7","1","7","10","4","10","1") = "9"
    & skf18("7","1","7","10","5","1","1") = "9"
    & skf18("7","1","7","10","5","2","1") = "9"
    & skf18("7","1","7","10","5","3","1") = "9"
    & skf18("7","1","7","10","5","4","1") = "9"
    & skf18("7","1","7","10","5","5","1") = "9"
    & skf18("7","1","7","10","5","6","1") = "9"
    & skf18("7","1","7","10","5","7","1") = "9"
    & skf18("7","1","7","10","5","8","1") = "9"
    & skf18("7","1","7","10","5","9","1") = "9"
    & skf18("7","1","7","10","5","10","1") = "9"
    & skf18("7","1","7","10","6","1","1") = "9"
    & skf18("7","1","7","10","6","2","1") = "9"
    & skf18("7","1","7","10","6","3","1") = "9"
    & skf18("7","1","7","10","6","4","1") = "9"
    & skf18("7","1","7","10","6","5","1") = "9"
    & skf18("7","1","7","10","6","6","1") = "9"
    & skf18("7","1","7","10","6","7","1") = "9"
    & skf18("7","1","7","10","6","8","1") = "9"
    & skf18("7","1","7","10","6","9","1") = "9"
    & skf18("7","1","7","10","6","10","1") = "9"
    & skf18("7","1","7","10","7","1","1") = "9"
    & skf18("7","1","7","10","7","2","1") = "9"
    & skf18("7","1","7","10","7","3","1") = "9"
    & skf18("7","1","7","10","7","4","1") = "9"
    & skf18("7","1","7","10","7","5","1") = "9"
    & skf18("7","1","7","10","7","6","1") = "9"
    & skf18("7","1","7","10","7","7","1") = "9"
    & skf18("7","1","7","10","7","8","1") = "9"
    & skf18("7","1","7","10","7","9","1") = "9"
    & skf18("7","1","7","10","7","10","1") = "9"
    & skf18("7","1","7","10","8","1","1") = "9"
    & skf18("7","1","7","10","8","2","1") = "9"
    & skf18("7","1","7","10","8","3","1") = "9"
    & skf18("7","1","7","10","8","4","1") = "9"
    & skf18("7","1","7","10","8","5","1") = "9"
    & skf18("7","1","7","10","8","6","1") = "9"
    & skf18("7","1","7","10","8","7","1") = "9"
    & skf18("7","1","7","10","8","8","1") = "9"
    & skf18("7","1","7","10","8","9","1") = "9"
    & skf18("7","1","7","10","8","10","1") = "9"
    & skf18("7","1","7","10","9","1","1") = "9"
    & skf18("7","1","7","10","9","2","1") = "9"
    & skf18("7","1","7","10","9","3","1") = "9"
    & skf18("7","1","7","10","9","4","1") = "9"
    & skf18("7","1","7","10","9","5","1") = "9"
    & skf18("7","1","7","10","9","6","1") = "9"
    & skf18("7","1","7","10","9","7","1") = "9"
    & skf18("7","1","7","10","9","8","1") = "9"
    & skf18("7","1","7","10","9","9","1") = "9"
    & skf18("7","1","7","10","9","10","1") = "9"
    & skf18("7","1","7","10","10","1","1") = "9"
    & skf18("7","1","7","10","10","2","1") = "9"
    & skf18("7","1","7","10","10","3","1") = "9"
    & skf18("7","1","7","10","10","4","1") = "9"
    & skf18("7","1","7","10","10","5","1") = "9"
    & skf18("7","1","7","10","10","6","1") = "9"
    & skf18("7","1","7","10","10","7","1") = "9"
    & skf18("7","1","7","10","10","8","1") = "9"
    & skf18("7","1","7","10","10","9","1") = "9"
    & skf18("7","1","7","10","10","10","1") = "9"
    & skf18("7","1","8","1","1","1","1") = "7"
    & skf18("7","1","8","1","1","2","1") = "7"
    & skf18("7","1","8","1","1","3","1") = "7"
    & skf18("7","1","8","1","1","4","1") = "7"
    & skf18("7","1","8","1","1","5","1") = "7"
    & skf18("7","1","8","1","1","6","1") = "7"
    & skf18("7","1","8","1","1","7","1") = "7"
    & skf18("7","1","8","1","1","8","1") = "7"
    & skf18("7","1","8","1","1","9","1") = "8"
    & skf18("7","1","8","1","1","10","1") = "9"
    & skf18("7","1","8","1","2","1","1") = "7"
    & skf18("7","1","8","1","2","2","1") = "7"
    & skf18("7","1","8","1","2","3","1") = "7"
    & skf18("7","1","8","1","2","4","1") = "7"
    & skf18("7","1","8","1","2","5","1") = "7"
    & skf18("7","1","8","1","2","6","1") = "7"
    & skf18("7","1","8","1","2","7","1") = "7"
    & skf18("7","1","8","1","2","8","1") = "7"
    & skf18("7","1","8","1","2","9","1") = "8"
    & skf18("7","1","8","1","2","10","1") = "9"
    & skf18("7","1","8","1","3","1","1") = "7"
    & skf18("7","1","8","1","3","2","1") = "7"
    & skf18("7","1","8","1","3","3","1") = "7"
    & skf18("7","1","8","1","3","4","1") = "7"
    & skf18("7","1","8","1","3","5","1") = "7"
    & skf18("7","1","8","1","3","6","1") = "7"
    & skf18("7","1","8","1","3","7","1") = "7"
    & skf18("7","1","8","1","3","8","1") = "7"
    & skf18("7","1","8","1","3","9","1") = "8"
    & skf18("7","1","8","1","3","10","1") = "9"
    & skf18("7","1","8","1","4","1","1") = "7"
    & skf18("7","1","8","1","4","2","1") = "7"
    & skf18("7","1","8","1","4","3","1") = "7"
    & skf18("7","1","8","1","4","4","1") = "7"
    & skf18("7","1","8","1","4","5","1") = "7"
    & skf18("7","1","8","1","4","6","1") = "7"
    & skf18("7","1","8","1","4","7","1") = "7"
    & skf18("7","1","8","1","4","8","1") = "7"
    & skf18("7","1","8","1","4","9","1") = "8"
    & skf18("7","1","8","1","4","10","1") = "9"
    & skf18("7","1","8","1","5","1","1") = "7"
    & skf18("7","1","8","1","5","2","1") = "7"
    & skf18("7","1","8","1","5","3","1") = "7"
    & skf18("7","1","8","1","5","4","1") = "7"
    & skf18("7","1","8","1","5","5","1") = "7"
    & skf18("7","1","8","1","5","6","1") = "7"
    & skf18("7","1","8","1","5","7","1") = "7"
    & skf18("7","1","8","1","5","8","1") = "7"
    & skf18("7","1","8","1","5","9","1") = "8"
    & skf18("7","1","8","1","5","10","1") = "9"
    & skf18("7","1","8","1","6","1","1") = "7"
    & skf18("7","1","8","1","6","2","1") = "7"
    & skf18("7","1","8","1","6","3","1") = "7"
    & skf18("7","1","8","1","6","4","1") = "7"
    & skf18("7","1","8","1","6","5","1") = "7"
    & skf18("7","1","8","1","6","6","1") = "7"
    & skf18("7","1","8","1","6","7","1") = "7"
    & skf18("7","1","8","1","6","8","1") = "7"
    & skf18("7","1","8","1","6","9","1") = "8"
    & skf18("7","1","8","1","6","10","1") = "9"
    & skf18("7","1","8","1","7","1","1") = "7"
    & skf18("7","1","8","1","7","2","1") = "7"
    & skf18("7","1","8","1","7","3","1") = "7"
    & skf18("7","1","8","1","7","4","1") = "7"
    & skf18("7","1","8","1","7","5","1") = "7"
    & skf18("7","1","8","1","7","6","1") = "7"
    & skf18("7","1","8","1","7","7","1") = "7"
    & skf18("7","1","8","1","7","8","1") = "7"
    & skf18("7","1","8","1","7","9","1") = "8"
    & skf18("7","1","8","1","7","10","1") = "9"
    & skf18("7","1","8","1","8","1","1") = "7"
    & skf18("7","1","8","1","8","2","1") = "7"
    & skf18("7","1","8","1","8","3","1") = "7"
    & skf18("7","1","8","1","8","4","1") = "7"
    & skf18("7","1","8","1","8","5","1") = "7"
    & skf18("7","1","8","1","8","6","1") = "7"
    & skf18("7","1","8","1","8","7","1") = "7"
    & skf18("7","1","8","1","8","8","1") = "7"
    & skf18("7","1","8","1","8","9","1") = "8"
    & skf18("7","1","8","1","8","10","1") = "9"
    & skf18("7","1","8","1","9","1","1") = "8"
    & skf18("7","1","8","1","9","2","1") = "8"
    & skf18("7","1","8","1","9","3","1") = "8"
    & skf18("7","1","8","1","9","4","1") = "8"
    & skf18("7","1","8","1","9","5","1") = "8"
    & skf18("7","1","8","1","9","6","1") = "8"
    & skf18("7","1","8","1","9","7","1") = "8"
    & skf18("7","1","8","1","9","8","1") = "8"
    & skf18("7","1","8","1","9","9","1") = "8"
    & skf18("7","1","8","1","9","10","1") = "9"
    & skf18("7","1","8","1","10","1","1") = "9"
    & skf18("7","1","8","1","10","2","1") = "9"
    & skf18("7","1","8","1","10","3","1") = "9"
    & skf18("7","1","8","1","10","4","1") = "9"
    & skf18("7","1","8","1","10","5","1") = "9"
    & skf18("7","1","8","1","10","6","1") = "9"
    & skf18("7","1","8","1","10","7","1") = "9"
    & skf18("7","1","8","1","10","8","1") = "9"
    & skf18("7","1","8","1","10","9","1") = "9"
    & skf18("7","1","8","1","10","10","1") = "9"
    & skf18("7","1","8","2","1","1","1") = "7"
    & skf18("7","1","8","2","1","2","1") = "7"
    & skf18("7","1","8","2","1","3","1") = "7"
    & skf18("7","1","8","2","1","4","1") = "7"
    & skf18("7","1","8","2","1","5","1") = "7"
    & skf18("7","1","8","2","1","6","1") = "7"
    & skf18("7","1","8","2","1","7","1") = "7"
    & skf18("7","1","8","2","1","8","1") = "7"
    & skf18("7","1","8","2","1","9","1") = "8"
    & skf18("7","1","8","2","1","10","1") = "9"
    & skf18("7","1","8","2","2","1","1") = "7"
    & skf18("7","1","8","2","2","2","1") = "7"
    & skf18("7","1","8","2","2","3","1") = "7"
    & skf18("7","1","8","2","2","4","1") = "7"
    & skf18("7","1","8","2","2","5","1") = "7"
    & skf18("7","1","8","2","2","6","1") = "7"
    & skf18("7","1","8","2","2","7","1") = "7"
    & skf18("7","1","8","2","2","8","1") = "7"
    & skf18("7","1","8","2","2","9","1") = "8"
    & skf18("7","1","8","2","2","10","1") = "9"
    & skf18("7","1","8","2","3","1","1") = "7"
    & skf18("7","1","8","2","3","2","1") = "7"
    & skf18("7","1","8","2","3","3","1") = "7"
    & skf18("7","1","8","2","3","4","1") = "7"
    & skf18("7","1","8","2","3","5","1") = "7"
    & skf18("7","1","8","2","3","6","1") = "7"
    & skf18("7","1","8","2","3","7","1") = "7"
    & skf18("7","1","8","2","3","8","1") = "7"
    & skf18("7","1","8","2","3","9","1") = "8"
    & skf18("7","1","8","2","3","10","1") = "9"
    & skf18("7","1","8","2","4","1","1") = "7"
    & skf18("7","1","8","2","4","2","1") = "7"
    & skf18("7","1","8","2","4","3","1") = "7"
    & skf18("7","1","8","2","4","4","1") = "7"
    & skf18("7","1","8","2","4","5","1") = "7"
    & skf18("7","1","8","2","4","6","1") = "7"
    & skf18("7","1","8","2","4","7","1") = "7"
    & skf18("7","1","8","2","4","8","1") = "7"
    & skf18("7","1","8","2","4","9","1") = "8"
    & skf18("7","1","8","2","4","10","1") = "9"
    & skf18("7","1","8","2","5","1","1") = "7"
    & skf18("7","1","8","2","5","2","1") = "7"
    & skf18("7","1","8","2","5","3","1") = "7"
    & skf18("7","1","8","2","5","4","1") = "7"
    & skf18("7","1","8","2","5","5","1") = "7"
    & skf18("7","1","8","2","5","6","1") = "7"
    & skf18("7","1","8","2","5","7","1") = "7"
    & skf18("7","1","8","2","5","8","1") = "7"
    & skf18("7","1","8","2","5","9","1") = "8"
    & skf18("7","1","8","2","5","10","1") = "9"
    & skf18("7","1","8","2","6","1","1") = "7"
    & skf18("7","1","8","2","6","2","1") = "7"
    & skf18("7","1","8","2","6","3","1") = "7"
    & skf18("7","1","8","2","6","4","1") = "7"
    & skf18("7","1","8","2","6","5","1") = "7"
    & skf18("7","1","8","2","6","6","1") = "7"
    & skf18("7","1","8","2","6","7","1") = "7"
    & skf18("7","1","8","2","6","8","1") = "7"
    & skf18("7","1","8","2","6","9","1") = "8"
    & skf18("7","1","8","2","6","10","1") = "9"
    & skf18("7","1","8","2","7","1","1") = "7"
    & skf18("7","1","8","2","7","2","1") = "7"
    & skf18("7","1","8","2","7","3","1") = "7"
    & skf18("7","1","8","2","7","4","1") = "7"
    & skf18("7","1","8","2","7","5","1") = "7"
    & skf18("7","1","8","2","7","6","1") = "7"
    & skf18("7","1","8","2","7","7","1") = "7"
    & skf18("7","1","8","2","7","8","1") = "7"
    & skf18("7","1","8","2","7","9","1") = "8"
    & skf18("7","1","8","2","7","10","1") = "9"
    & skf18("7","1","8","2","8","1","1") = "7"
    & skf18("7","1","8","2","8","2","1") = "7"
    & skf18("7","1","8","2","8","3","1") = "7"
    & skf18("7","1","8","2","8","4","1") = "7"
    & skf18("7","1","8","2","8","5","1") = "7"
    & skf18("7","1","8","2","8","6","1") = "7"
    & skf18("7","1","8","2","8","7","1") = "7"
    & skf18("7","1","8","2","8","8","1") = "7"
    & skf18("7","1","8","2","8","9","1") = "8"
    & skf18("7","1","8","2","8","10","1") = "9"
    & skf18("7","1","8","2","9","1","1") = "8"
    & skf18("7","1","8","2","9","2","1") = "8"
    & skf18("7","1","8","2","9","3","1") = "8"
    & skf18("7","1","8","2","9","4","1") = "8"
    & skf18("7","1","8","2","9","5","1") = "8"
    & skf18("7","1","8","2","9","6","1") = "8"
    & skf18("7","1","8","2","9","7","1") = "8"
    & skf18("7","1","8","2","9","8","1") = "8"
    & skf18("7","1","8","2","9","9","1") = "8"
    & skf18("7","1","8","2","9","10","1") = "9"
    & skf18("7","1","8","2","10","1","1") = "9"
    & skf18("7","1","8","2","10","2","1") = "9"
    & skf18("7","1","8","2","10","3","1") = "9"
    & skf18("7","1","8","2","10","4","1") = "9"
    & skf18("7","1","8","2","10","5","1") = "9"
    & skf18("7","1","8","2","10","6","1") = "9"
    & skf18("7","1","8","2","10","7","1") = "9"
    & skf18("7","1","8","2","10","8","1") = "9"
    & skf18("7","1","8","2","10","9","1") = "9"
    & skf18("7","1","8","2","10","10","1") = "9"
    & skf18("7","1","8","3","1","1","1") = "7"
    & skf18("7","1","8","3","1","2","1") = "7"
    & skf18("7","1","8","3","1","3","1") = "7"
    & skf18("7","1","8","3","1","4","1") = "7"
    & skf18("7","1","8","3","1","5","1") = "7"
    & skf18("7","1","8","3","1","6","1") = "7"
    & skf18("7","1","8","3","1","7","1") = "7"
    & skf18("7","1","8","3","1","8","1") = "7"
    & skf18("7","1","8","3","1","9","1") = "8"
    & skf18("7","1","8","3","1","10","1") = "9"
    & skf18("7","1","8","3","2","1","1") = "7"
    & skf18("7","1","8","3","2","2","1") = "7"
    & skf18("7","1","8","3","2","3","1") = "7"
    & skf18("7","1","8","3","2","4","1") = "7"
    & skf18("7","1","8","3","2","5","1") = "7"
    & skf18("7","1","8","3","2","6","1") = "7"
    & skf18("7","1","8","3","2","7","1") = "7"
    & skf18("7","1","8","3","2","8","1") = "7"
    & skf18("7","1","8","3","2","9","1") = "8"
    & skf18("7","1","8","3","2","10","1") = "9"
    & skf18("7","1","8","3","3","1","1") = "7"
    & skf18("7","1","8","3","3","2","1") = "7"
    & skf18("7","1","8","3","3","3","1") = "7"
    & skf18("7","1","8","3","3","4","1") = "7"
    & skf18("7","1","8","3","3","5","1") = "7"
    & skf18("7","1","8","3","3","6","1") = "7"
    & skf18("7","1","8","3","3","7","1") = "7"
    & skf18("7","1","8","3","3","8","1") = "7"
    & skf18("7","1","8","3","3","9","1") = "8"
    & skf18("7","1","8","3","3","10","1") = "9"
    & skf18("7","1","8","3","4","1","1") = "7"
    & skf18("7","1","8","3","4","2","1") = "7"
    & skf18("7","1","8","3","4","3","1") = "7"
    & skf18("7","1","8","3","4","4","1") = "7"
    & skf18("7","1","8","3","4","5","1") = "7"
    & skf18("7","1","8","3","4","6","1") = "7"
    & skf18("7","1","8","3","4","7","1") = "7"
    & skf18("7","1","8","3","4","8","1") = "7"
    & skf18("7","1","8","3","4","9","1") = "8"
    & skf18("7","1","8","3","4","10","1") = "9"
    & skf18("7","1","8","3","5","1","1") = "7"
    & skf18("7","1","8","3","5","2","1") = "7"
    & skf18("7","1","8","3","5","3","1") = "7"
    & skf18("7","1","8","3","5","4","1") = "7"
    & skf18("7","1","8","3","5","5","1") = "7"
    & skf18("7","1","8","3","5","6","1") = "7"
    & skf18("7","1","8","3","5","7","1") = "7"
    & skf18("7","1","8","3","5","8","1") = "7"
    & skf18("7","1","8","3","5","9","1") = "8"
    & skf18("7","1","8","3","5","10","1") = "9"
    & skf18("7","1","8","3","6","1","1") = "7"
    & skf18("7","1","8","3","6","2","1") = "7"
    & skf18("7","1","8","3","6","3","1") = "7"
    & skf18("7","1","8","3","6","4","1") = "7"
    & skf18("7","1","8","3","6","5","1") = "7"
    & skf18("7","1","8","3","6","6","1") = "7"
    & skf18("7","1","8","3","6","7","1") = "7"
    & skf18("7","1","8","3","6","8","1") = "7"
    & skf18("7","1","8","3","6","9","1") = "8"
    & skf18("7","1","8","3","6","10","1") = "9"
    & skf18("7","1","8","3","7","1","1") = "7"
    & skf18("7","1","8","3","7","2","1") = "7"
    & skf18("7","1","8","3","7","3","1") = "7"
    & skf18("7","1","8","3","7","4","1") = "7"
    & skf18("7","1","8","3","7","5","1") = "7"
    & skf18("7","1","8","3","7","6","1") = "7"
    & skf18("7","1","8","3","7","7","1") = "7"
    & skf18("7","1","8","3","7","8","1") = "7"
    & skf18("7","1","8","3","7","9","1") = "8"
    & skf18("7","1","8","3","7","10","1") = "9"
    & skf18("7","1","8","3","8","1","1") = "7"
    & skf18("7","1","8","3","8","2","1") = "7"
    & skf18("7","1","8","3","8","3","1") = "7"
    & skf18("7","1","8","3","8","4","1") = "7"
    & skf18("7","1","8","3","8","5","1") = "7"
    & skf18("7","1","8","3","8","6","1") = "7"
    & skf18("7","1","8","3","8","7","1") = "7"
    & skf18("7","1","8","3","8","8","1") = "7"
    & skf18("7","1","8","3","8","9","1") = "8"
    & skf18("7","1","8","3","8","10","1") = "9"
    & skf18("7","1","8","3","9","1","1") = "8"
    & skf18("7","1","8","3","9","2","1") = "8"
    & skf18("7","1","8","3","9","3","1") = "8"
    & skf18("7","1","8","3","9","4","1") = "8"
    & skf18("7","1","8","3","9","5","1") = "8"
    & skf18("7","1","8","3","9","6","1") = "8"
    & skf18("7","1","8","3","9","7","1") = "8"
    & skf18("7","1","8","3","9","8","1") = "8"
    & skf18("7","1","8","3","9","9","1") = "8"
    & skf18("7","1","8","3","9","10","1") = "9"
    & skf18("7","1","8","3","10","1","1") = "9"
    & skf18("7","1","8","3","10","2","1") = "9"
    & skf18("7","1","8","3","10","3","1") = "9"
    & skf18("7","1","8","3","10","4","1") = "9"
    & skf18("7","1","8","3","10","5","1") = "9"
    & skf18("7","1","8","3","10","6","1") = "9"
    & skf18("7","1","8","3","10","7","1") = "9"
    & skf18("7","1","8","3","10","8","1") = "9"
    & skf18("7","1","8","3","10","9","1") = "9"
    & skf18("7","1","8","3","10","10","1") = "9"
    & skf18("7","1","8","4","1","1","1") = "7"
    & skf18("7","1","8","4","1","2","1") = "7"
    & skf18("7","1","8","4","1","3","1") = "7"
    & skf18("7","1","8","4","1","4","1") = "7"
    & skf18("7","1","8","4","1","5","1") = "7"
    & skf18("7","1","8","4","1","6","1") = "7"
    & skf18("7","1","8","4","1","7","1") = "7"
    & skf18("7","1","8","4","1","8","1") = "7"
    & skf18("7","1","8","4","1","9","1") = "8"
    & skf18("7","1","8","4","1","10","1") = "9"
    & skf18("7","1","8","4","2","1","1") = "7"
    & skf18("7","1","8","4","2","2","1") = "7"
    & skf18("7","1","8","4","2","3","1") = "7"
    & skf18("7","1","8","4","2","4","1") = "7"
    & skf18("7","1","8","4","2","5","1") = "7"
    & skf18("7","1","8","4","2","6","1") = "7"
    & skf18("7","1","8","4","2","7","1") = "7"
    & skf18("7","1","8","4","2","8","1") = "7"
    & skf18("7","1","8","4","2","9","1") = "8"
    & skf18("7","1","8","4","2","10","1") = "9"
    & skf18("7","1","8","4","3","1","1") = "7"
    & skf18("7","1","8","4","3","2","1") = "7"
    & skf18("7","1","8","4","3","3","1") = "7"
    & skf18("7","1","8","4","3","4","1") = "7"
    & skf18("7","1","8","4","3","5","1") = "7"
    & skf18("7","1","8","4","3","6","1") = "7"
    & skf18("7","1","8","4","3","7","1") = "7"
    & skf18("7","1","8","4","3","8","1") = "7"
    & skf18("7","1","8","4","3","9","1") = "8"
    & skf18("7","1","8","4","3","10","1") = "9"
    & skf18("7","1","8","4","4","1","1") = "7"
    & skf18("7","1","8","4","4","2","1") = "7"
    & skf18("7","1","8","4","4","3","1") = "7"
    & skf18("7","1","8","4","4","4","1") = "7"
    & skf18("7","1","8","4","4","5","1") = "7"
    & skf18("7","1","8","4","4","6","1") = "7"
    & skf18("7","1","8","4","4","7","1") = "7"
    & skf18("7","1","8","4","4","8","1") = "7"
    & skf18("7","1","8","4","4","9","1") = "8"
    & skf18("7","1","8","4","4","10","1") = "9"
    & skf18("7","1","8","4","5","1","1") = "7"
    & skf18("7","1","8","4","5","2","1") = "7"
    & skf18("7","1","8","4","5","3","1") = "7"
    & skf18("7","1","8","4","5","4","1") = "7"
    & skf18("7","1","8","4","5","5","1") = "7"
    & skf18("7","1","8","4","5","6","1") = "7"
    & skf18("7","1","8","4","5","7","1") = "7"
    & skf18("7","1","8","4","5","8","1") = "7"
    & skf18("7","1","8","4","5","9","1") = "8"
    & skf18("7","1","8","4","5","10","1") = "9"
    & skf18("7","1","8","4","6","1","1") = "7"
    & skf18("7","1","8","4","6","2","1") = "7"
    & skf18("7","1","8","4","6","3","1") = "7"
    & skf18("7","1","8","4","6","4","1") = "7"
    & skf18("7","1","8","4","6","5","1") = "7"
    & skf18("7","1","8","4","6","6","1") = "7"
    & skf18("7","1","8","4","6","7","1") = "7"
    & skf18("7","1","8","4","6","8","1") = "7"
    & skf18("7","1","8","4","6","9","1") = "8"
    & skf18("7","1","8","4","6","10","1") = "9"
    & skf18("7","1","8","4","7","1","1") = "7"
    & skf18("7","1","8","4","7","2","1") = "7"
    & skf18("7","1","8","4","7","3","1") = "7"
    & skf18("7","1","8","4","7","4","1") = "7"
    & skf18("7","1","8","4","7","5","1") = "7"
    & skf18("7","1","8","4","7","6","1") = "7"
    & skf18("7","1","8","4","7","7","1") = "7"
    & skf18("7","1","8","4","7","8","1") = "7"
    & skf18("7","1","8","4","7","9","1") = "8"
    & skf18("7","1","8","4","7","10","1") = "9"
    & skf18("7","1","8","4","8","1","1") = "7"
    & skf18("7","1","8","4","8","2","1") = "7"
    & skf18("7","1","8","4","8","3","1") = "7"
    & skf18("7","1","8","4","8","4","1") = "7"
    & skf18("7","1","8","4","8","5","1") = "7"
    & skf18("7","1","8","4","8","6","1") = "7"
    & skf18("7","1","8","4","8","7","1") = "7"
    & skf18("7","1","8","4","8","8","1") = "7"
    & skf18("7","1","8","4","8","9","1") = "8"
    & skf18("7","1","8","4","8","10","1") = "9"
    & skf18("7","1","8","4","9","1","1") = "8"
    & skf18("7","1","8","4","9","2","1") = "8"
    & skf18("7","1","8","4","9","3","1") = "8"
    & skf18("7","1","8","4","9","4","1") = "8"
    & skf18("7","1","8","4","9","5","1") = "8"
    & skf18("7","1","8","4","9","6","1") = "8"
    & skf18("7","1","8","4","9","7","1") = "8"
    & skf18("7","1","8","4","9","8","1") = "8"
    & skf18("7","1","8","4","9","9","1") = "8"
    & skf18("7","1","8","4","9","10","1") = "9"
    & skf18("7","1","8","4","10","1","1") = "9"
    & skf18("7","1","8","4","10","2","1") = "9"
    & skf18("7","1","8","4","10","3","1") = "9"
    & skf18("7","1","8","4","10","4","1") = "9"
    & skf18("7","1","8","4","10","5","1") = "9"
    & skf18("7","1","8","4","10","6","1") = "9"
    & skf18("7","1","8","4","10","7","1") = "9"
    & skf18("7","1","8","4","10","8","1") = "9"
    & skf18("7","1","8","4","10","9","1") = "9"
    & skf18("7","1","8","4","10","10","1") = "9"
    & skf18("7","1","8","5","1","1","1") = "7"
    & skf18("7","1","8","5","1","2","1") = "7"
    & skf18("7","1","8","5","1","3","1") = "7"
    & skf18("7","1","8","5","1","4","1") = "7"
    & skf18("7","1","8","5","1","5","1") = "7"
    & skf18("7","1","8","5","1","6","1") = "7"
    & skf18("7","1","8","5","1","7","1") = "7"
    & skf18("7","1","8","5","1","8","1") = "7"
    & skf18("7","1","8","5","1","9","1") = "8"
    & skf18("7","1","8","5","1","10","1") = "9"
    & skf18("7","1","8","5","2","1","1") = "7"
    & skf18("7","1","8","5","2","2","1") = "7"
    & skf18("7","1","8","5","2","3","1") = "7"
    & skf18("7","1","8","5","2","4","1") = "7"
    & skf18("7","1","8","5","2","5","1") = "7"
    & skf18("7","1","8","5","2","6","1") = "7"
    & skf18("7","1","8","5","2","7","1") = "7"
    & skf18("7","1","8","5","2","8","1") = "7"
    & skf18("7","1","8","5","2","9","1") = "8"
    & skf18("7","1","8","5","2","10","1") = "9"
    & skf18("7","1","8","5","3","1","1") = "7"
    & skf18("7","1","8","5","3","2","1") = "7"
    & skf18("7","1","8","5","3","3","1") = "7"
    & skf18("7","1","8","5","3","4","1") = "7"
    & skf18("7","1","8","5","3","5","1") = "7"
    & skf18("7","1","8","5","3","6","1") = "7"
    & skf18("7","1","8","5","3","7","1") = "7"
    & skf18("7","1","8","5","3","8","1") = "7"
    & skf18("7","1","8","5","3","9","1") = "8"
    & skf18("7","1","8","5","3","10","1") = "9"
    & skf18("7","1","8","5","4","1","1") = "7"
    & skf18("7","1","8","5","4","2","1") = "7"
    & skf18("7","1","8","5","4","3","1") = "7"
    & skf18("7","1","8","5","4","4","1") = "7"
    & skf18("7","1","8","5","4","5","1") = "7"
    & skf18("7","1","8","5","4","6","1") = "7"
    & skf18("7","1","8","5","4","7","1") = "7"
    & skf18("7","1","8","5","4","8","1") = "7"
    & skf18("7","1","8","5","4","9","1") = "8"
    & skf18("7","1","8","5","4","10","1") = "9"
    & skf18("7","1","8","5","5","1","1") = "7"
    & skf18("7","1","8","5","5","2","1") = "7"
    & skf18("7","1","8","5","5","3","1") = "7"
    & skf18("7","1","8","5","5","4","1") = "7"
    & skf18("7","1","8","5","5","5","1") = "7"
    & skf18("7","1","8","5","5","6","1") = "7"
    & skf18("7","1","8","5","5","7","1") = "7"
    & skf18("7","1","8","5","5","8","1") = "7"
    & skf18("7","1","8","5","5","9","1") = "8"
    & skf18("7","1","8","5","5","10","1") = "9"
    & skf18("7","1","8","5","6","1","1") = "7"
    & skf18("7","1","8","5","6","2","1") = "7"
    & skf18("7","1","8","5","6","3","1") = "7"
    & skf18("7","1","8","5","6","4","1") = "7"
    & skf18("7","1","8","5","6","5","1") = "7"
    & skf18("7","1","8","5","6","6","1") = "7"
    & skf18("7","1","8","5","6","7","1") = "7"
    & skf18("7","1","8","5","6","8","1") = "7"
    & skf18("7","1","8","5","6","9","1") = "8"
    & skf18("7","1","8","5","6","10","1") = "9"
    & skf18("7","1","8","5","7","1","1") = "7"
    & skf18("7","1","8","5","7","2","1") = "7"
    & skf18("7","1","8","5","7","3","1") = "7"
    & skf18("7","1","8","5","7","4","1") = "7"
    & skf18("7","1","8","5","7","5","1") = "7"
    & skf18("7","1","8","5","7","6","1") = "7"
    & skf18("7","1","8","5","7","7","1") = "7"
    & skf18("7","1","8","5","7","8","1") = "7"
    & skf18("7","1","8","5","7","9","1") = "8"
    & skf18("7","1","8","5","7","10","1") = "9"
    & skf18("7","1","8","5","8","1","1") = "7"
    & skf18("7","1","8","5","8","2","1") = "7"
    & skf18("7","1","8","5","8","3","1") = "7"
    & skf18("7","1","8","5","8","4","1") = "7"
    & skf18("7","1","8","5","8","5","1") = "7"
    & skf18("7","1","8","5","8","6","1") = "7"
    & skf18("7","1","8","5","8","7","1") = "7"
    & skf18("7","1","8","5","8","8","1") = "7"
    & skf18("7","1","8","5","8","9","1") = "8"
    & skf18("7","1","8","5","8","10","1") = "9"
    & skf18("7","1","8","5","9","1","1") = "8"
    & skf18("7","1","8","5","9","2","1") = "8"
    & skf18("7","1","8","5","9","3","1") = "8"
    & skf18("7","1","8","5","9","4","1") = "8"
    & skf18("7","1","8","5","9","5","1") = "8"
    & skf18("7","1","8","5","9","6","1") = "8"
    & skf18("7","1","8","5","9","7","1") = "8"
    & skf18("7","1","8","5","9","8","1") = "8"
    & skf18("7","1","8","5","9","9","1") = "8"
    & skf18("7","1","8","5","9","10","1") = "9"
    & skf18("7","1","8","5","10","1","1") = "9"
    & skf18("7","1","8","5","10","2","1") = "9"
    & skf18("7","1","8","5","10","3","1") = "9"
    & skf18("7","1","8","5","10","4","1") = "9"
    & skf18("7","1","8","5","10","5","1") = "9"
    & skf18("7","1","8","5","10","6","1") = "9"
    & skf18("7","1","8","5","10","7","1") = "9"
    & skf18("7","1","8","5","10","8","1") = "9"
    & skf18("7","1","8","5","10","9","1") = "9"
    & skf18("7","1","8","5","10","10","1") = "9"
    & skf18("7","1","8","6","1","1","1") = "7"
    & skf18("7","1","8","6","1","2","1") = "7"
    & skf18("7","1","8","6","1","3","1") = "7"
    & skf18("7","1","8","6","1","4","1") = "7"
    & skf18("7","1","8","6","1","5","1") = "7"
    & skf18("7","1","8","6","1","6","1") = "7"
    & skf18("7","1","8","6","1","7","1") = "7"
    & skf18("7","1","8","6","1","8","1") = "7"
    & skf18("7","1","8","6","1","9","1") = "8"
    & skf18("7","1","8","6","1","10","1") = "9"
    & skf18("7","1","8","6","2","1","1") = "7"
    & skf18("7","1","8","6","2","2","1") = "7"
    & skf18("7","1","8","6","2","3","1") = "7"
    & skf18("7","1","8","6","2","4","1") = "7"
    & skf18("7","1","8","6","2","5","1") = "7"
    & skf18("7","1","8","6","2","6","1") = "7"
    & skf18("7","1","8","6","2","7","1") = "7"
    & skf18("7","1","8","6","2","8","1") = "7"
    & skf18("7","1","8","6","2","9","1") = "8"
    & skf18("7","1","8","6","2","10","1") = "9"
    & skf18("7","1","8","6","3","1","1") = "7"
    & skf18("7","1","8","6","3","2","1") = "7"
    & skf18("7","1","8","6","3","3","1") = "7"
    & skf18("7","1","8","6","3","4","1") = "7"
    & skf18("7","1","8","6","3","5","1") = "7"
    & skf18("7","1","8","6","3","6","1") = "7"
    & skf18("7","1","8","6","3","7","1") = "7"
    & skf18("7","1","8","6","3","8","1") = "7"
    & skf18("7","1","8","6","3","9","1") = "8"
    & skf18("7","1","8","6","3","10","1") = "9"
    & skf18("7","1","8","6","4","1","1") = "7"
    & skf18("7","1","8","6","4","2","1") = "7"
    & skf18("7","1","8","6","4","3","1") = "7"
    & skf18("7","1","8","6","4","4","1") = "7"
    & skf18("7","1","8","6","4","5","1") = "7"
    & skf18("7","1","8","6","4","6","1") = "7"
    & skf18("7","1","8","6","4","7","1") = "7"
    & skf18("7","1","8","6","4","8","1") = "7"
    & skf18("7","1","8","6","4","9","1") = "8"
    & skf18("7","1","8","6","4","10","1") = "9"
    & skf18("7","1","8","6","5","1","1") = "7"
    & skf18("7","1","8","6","5","2","1") = "7"
    & skf18("7","1","8","6","5","3","1") = "7"
    & skf18("7","1","8","6","5","4","1") = "7"
    & skf18("7","1","8","6","5","5","1") = "7"
    & skf18("7","1","8","6","5","6","1") = "7"
    & skf18("7","1","8","6","5","7","1") = "7"
    & skf18("7","1","8","6","5","8","1") = "7"
    & skf18("7","1","8","6","5","9","1") = "8"
    & skf18("7","1","8","6","5","10","1") = "9"
    & skf18("7","1","8","6","6","1","1") = "7"
    & skf18("7","1","8","6","6","2","1") = "7"
    & skf18("7","1","8","6","6","3","1") = "7"
    & skf18("7","1","8","6","6","4","1") = "7"
    & skf18("7","1","8","6","6","5","1") = "7"
    & skf18("7","1","8","6","6","6","1") = "7"
    & skf18("7","1","8","6","6","7","1") = "7"
    & skf18("7","1","8","6","6","8","1") = "7"
    & skf18("7","1","8","6","6","9","1") = "8"
    & skf18("7","1","8","6","6","10","1") = "9"
    & skf18("7","1","8","6","7","1","1") = "7"
    & skf18("7","1","8","6","7","2","1") = "7"
    & skf18("7","1","8","6","7","3","1") = "7"
    & skf18("7","1","8","6","7","4","1") = "7"
    & skf18("7","1","8","6","7","5","1") = "7"
    & skf18("7","1","8","6","7","6","1") = "7"
    & skf18("7","1","8","6","7","7","1") = "7"
    & skf18("7","1","8","6","7","8","1") = "7"
    & skf18("7","1","8","6","7","9","1") = "8"
    & skf18("7","1","8","6","7","10","1") = "9"
    & skf18("7","1","8","6","8","1","1") = "7"
    & skf18("7","1","8","6","8","2","1") = "7"
    & skf18("7","1","8","6","8","3","1") = "7"
    & skf18("7","1","8","6","8","4","1") = "7"
    & skf18("7","1","8","6","8","5","1") = "7"
    & skf18("7","1","8","6","8","6","1") = "7"
    & skf18("7","1","8","6","8","7","1") = "7"
    & skf18("7","1","8","6","8","8","1") = "7"
    & skf18("7","1","8","6","8","9","1") = "8"
    & skf18("7","1","8","6","8","10","1") = "9"
    & skf18("7","1","8","6","9","1","1") = "8"
    & skf18("7","1","8","6","9","2","1") = "8"
    & skf18("7","1","8","6","9","3","1") = "8"
    & skf18("7","1","8","6","9","4","1") = "8"
    & skf18("7","1","8","6","9","5","1") = "8"
    & skf18("7","1","8","6","9","6","1") = "8"
    & skf18("7","1","8","6","9","7","1") = "8"
    & skf18("7","1","8","6","9","8","1") = "8"
    & skf18("7","1","8","6","9","9","1") = "8"
    & skf18("7","1","8","6","9","10","1") = "9"
    & skf18("7","1","8","6","10","1","1") = "9"
    & skf18("7","1","8","6","10","2","1") = "9"
    & skf18("7","1","8","6","10","3","1") = "9"
    & skf18("7","1","8","6","10","4","1") = "9"
    & skf18("7","1","8","6","10","5","1") = "9"
    & skf18("7","1","8","6","10","6","1") = "9"
    & skf18("7","1","8","6","10","7","1") = "9"
    & skf18("7","1","8","6","10","8","1") = "9"
    & skf18("7","1","8","6","10","9","1") = "9"
    & skf18("7","1","8","6","10","10","1") = "9"
    & skf18("7","1","8","7","1","1","1") = "7"
    & skf18("7","1","8","7","1","2","1") = "7"
    & skf18("7","1","8","7","1","3","1") = "7"
    & skf18("7","1","8","7","1","4","1") = "7"
    & skf18("7","1","8","7","1","5","1") = "7"
    & skf18("7","1","8","7","1","6","1") = "7"
    & skf18("7","1","8","7","1","7","1") = "7"
    & skf18("7","1","8","7","1","8","1") = "7"
    & skf18("7","1","8","7","1","9","1") = "8"
    & skf18("7","1","8","7","1","10","1") = "9"
    & skf18("7","1","8","7","2","1","1") = "7"
    & skf18("7","1","8","7","2","2","1") = "7"
    & skf18("7","1","8","7","2","3","1") = "7"
    & skf18("7","1","8","7","2","4","1") = "7"
    & skf18("7","1","8","7","2","5","1") = "7"
    & skf18("7","1","8","7","2","6","1") = "7"
    & skf18("7","1","8","7","2","7","1") = "7"
    & skf18("7","1","8","7","2","8","1") = "7"
    & skf18("7","1","8","7","2","9","1") = "8"
    & skf18("7","1","8","7","2","10","1") = "9"
    & skf18("7","1","8","7","3","1","1") = "7"
    & skf18("7","1","8","7","3","2","1") = "7"
    & skf18("7","1","8","7","3","3","1") = "7"
    & skf18("7","1","8","7","3","4","1") = "7"
    & skf18("7","1","8","7","3","5","1") = "7"
    & skf18("7","1","8","7","3","6","1") = "7"
    & skf18("7","1","8","7","3","7","1") = "7"
    & skf18("7","1","8","7","3","8","1") = "7"
    & skf18("7","1","8","7","3","9","1") = "8"
    & skf18("7","1","8","7","3","10","1") = "9"
    & skf18("7","1","8","7","4","1","1") = "7"
    & skf18("7","1","8","7","4","2","1") = "7"
    & skf18("7","1","8","7","4","3","1") = "7"
    & skf18("7","1","8","7","4","4","1") = "7"
    & skf18("7","1","8","7","4","5","1") = "7"
    & skf18("7","1","8","7","4","6","1") = "7"
    & skf18("7","1","8","7","4","7","1") = "7"
    & skf18("7","1","8","7","4","8","1") = "7"
    & skf18("7","1","8","7","4","9","1") = "8"
    & skf18("7","1","8","7","4","10","1") = "9"
    & skf18("7","1","8","7","5","1","1") = "7"
    & skf18("7","1","8","7","5","2","1") = "7"
    & skf18("7","1","8","7","5","3","1") = "7"
    & skf18("7","1","8","7","5","4","1") = "7"
    & skf18("7","1","8","7","5","5","1") = "7"
    & skf18("7","1","8","7","5","6","1") = "7"
    & skf18("7","1","8","7","5","7","1") = "7"
    & skf18("7","1","8","7","5","8","1") = "7"
    & skf18("7","1","8","7","5","9","1") = "8"
    & skf18("7","1","8","7","5","10","1") = "9"
    & skf18("7","1","8","7","6","1","1") = "7"
    & skf18("7","1","8","7","6","2","1") = "7"
    & skf18("7","1","8","7","6","3","1") = "7"
    & skf18("7","1","8","7","6","4","1") = "7"
    & skf18("7","1","8","7","6","5","1") = "7"
    & skf18("7","1","8","7","6","6","1") = "7"
    & skf18("7","1","8","7","6","7","1") = "7"
    & skf18("7","1","8","7","6","8","1") = "7"
    & skf18("7","1","8","7","6","9","1") = "8"
    & skf18("7","1","8","7","6","10","1") = "9"
    & skf18("7","1","8","7","7","1","1") = "7"
    & skf18("7","1","8","7","7","2","1") = "7"
    & skf18("7","1","8","7","7","3","1") = "7"
    & skf18("7","1","8","7","7","4","1") = "7"
    & skf18("7","1","8","7","7","5","1") = "7"
    & skf18("7","1","8","7","7","6","1") = "7"
    & skf18("7","1","8","7","7","7","1") = "7"
    & skf18("7","1","8","7","7","8","1") = "7"
    & skf18("7","1","8","7","7","9","1") = "8"
    & skf18("7","1","8","7","7","10","1") = "9"
    & skf18("7","1","8","7","8","1","1") = "7"
    & skf18("7","1","8","7","8","2","1") = "7"
    & skf18("7","1","8","7","8","3","1") = "7"
    & skf18("7","1","8","7","8","4","1") = "7"
    & skf18("7","1","8","7","8","5","1") = "7"
    & skf18("7","1","8","7","8","6","1") = "7"
    & skf18("7","1","8","7","8","7","1") = "7"
    & skf18("7","1","8","7","8","8","1") = "7"
    & skf18("7","1","8","7","8","9","1") = "8"
    & skf18("7","1","8","7","8","10","1") = "9"
    & skf18("7","1","8","7","9","1","1") = "8"
    & skf18("7","1","8","7","9","2","1") = "8"
    & skf18("7","1","8","7","9","3","1") = "8"
    & skf18("7","1","8","7","9","4","1") = "8"
    & skf18("7","1","8","7","9","5","1") = "8"
    & skf18("7","1","8","7","9","6","1") = "8"
    & skf18("7","1","8","7","9","7","1") = "8"
    & skf18("7","1","8","7","9","8","1") = "8"
    & skf18("7","1","8","7","9","9","1") = "8"
    & skf18("7","1","8","7","9","10","1") = "9"
    & skf18("7","1","8","7","10","1","1") = "9"
    & skf18("7","1","8","7","10","2","1") = "9"
    & skf18("7","1","8","7","10","3","1") = "9"
    & skf18("7","1","8","7","10","4","1") = "9"
    & skf18("7","1","8","7","10","5","1") = "9"
    & skf18("7","1","8","7","10","6","1") = "9"
    & skf18("7","1","8","7","10","7","1") = "9"
    & skf18("7","1","8","7","10","8","1") = "9"
    & skf18("7","1","8","7","10","9","1") = "9"
    & skf18("7","1","8","7","10","10","1") = "9"
    & skf18("7","1","8","8","1","1","1") = "7"
    & skf18("7","1","8","8","1","2","1") = "7"
    & skf18("7","1","8","8","1","3","1") = "7"
    & skf18("7","1","8","8","1","4","1") = "7"
    & skf18("7","1","8","8","1","5","1") = "7"
    & skf18("7","1","8","8","1","6","1") = "7"
    & skf18("7","1","8","8","1","7","1") = "7"
    & skf18("7","1","8","8","1","8","1") = "7"
    & skf18("7","1","8","8","1","9","1") = "8"
    & skf18("7","1","8","8","1","10","1") = "9"
    & skf18("7","1","8","8","2","1","1") = "7"
    & skf18("7","1","8","8","2","2","1") = "7"
    & skf18("7","1","8","8","2","3","1") = "7"
    & skf18("7","1","8","8","2","4","1") = "7"
    & skf18("7","1","8","8","2","5","1") = "7"
    & skf18("7","1","8","8","2","6","1") = "7"
    & skf18("7","1","8","8","2","7","1") = "7"
    & skf18("7","1","8","8","2","8","1") = "7"
    & skf18("7","1","8","8","2","9","1") = "8"
    & skf18("7","1","8","8","2","10","1") = "9"
    & skf18("7","1","8","8","3","1","1") = "7"
    & skf18("7","1","8","8","3","2","1") = "7"
    & skf18("7","1","8","8","3","3","1") = "7"
    & skf18("7","1","8","8","3","4","1") = "7"
    & skf18("7","1","8","8","3","5","1") = "7"
    & skf18("7","1","8","8","3","6","1") = "7"
    & skf18("7","1","8","8","3","7","1") = "7"
    & skf18("7","1","8","8","3","8","1") = "7"
    & skf18("7","1","8","8","3","9","1") = "8"
    & skf18("7","1","8","8","3","10","1") = "9"
    & skf18("7","1","8","8","4","1","1") = "7"
    & skf18("7","1","8","8","4","2","1") = "7"
    & skf18("7","1","8","8","4","3","1") = "7"
    & skf18("7","1","8","8","4","4","1") = "7"
    & skf18("7","1","8","8","4","5","1") = "7"
    & skf18("7","1","8","8","4","6","1") = "7"
    & skf18("7","1","8","8","4","7","1") = "7"
    & skf18("7","1","8","8","4","8","1") = "7"
    & skf18("7","1","8","8","4","9","1") = "8"
    & skf18("7","1","8","8","4","10","1") = "9"
    & skf18("7","1","8","8","5","1","1") = "7"
    & skf18("7","1","8","8","5","2","1") = "7"
    & skf18("7","1","8","8","5","3","1") = "7"
    & skf18("7","1","8","8","5","4","1") = "7"
    & skf18("7","1","8","8","5","5","1") = "7"
    & skf18("7","1","8","8","5","6","1") = "7"
    & skf18("7","1","8","8","5","7","1") = "7"
    & skf18("7","1","8","8","5","8","1") = "7"
    & skf18("7","1","8","8","5","9","1") = "8"
    & skf18("7","1","8","8","5","10","1") = "9"
    & skf18("7","1","8","8","6","1","1") = "7"
    & skf18("7","1","8","8","6","2","1") = "7"
    & skf18("7","1","8","8","6","3","1") = "7"
    & skf18("7","1","8","8","6","4","1") = "7"
    & skf18("7","1","8","8","6","5","1") = "7"
    & skf18("7","1","8","8","6","6","1") = "7"
    & skf18("7","1","8","8","6","7","1") = "7"
    & skf18("7","1","8","8","6","8","1") = "7"
    & skf18("7","1","8","8","6","9","1") = "8"
    & skf18("7","1","8","8","6","10","1") = "9"
    & skf18("7","1","8","8","7","1","1") = "7"
    & skf18("7","1","8","8","7","2","1") = "7"
    & skf18("7","1","8","8","7","3","1") = "7"
    & skf18("7","1","8","8","7","4","1") = "7"
    & skf18("7","1","8","8","7","5","1") = "7"
    & skf18("7","1","8","8","7","6","1") = "7"
    & skf18("7","1","8","8","7","7","1") = "7"
    & skf18("7","1","8","8","7","8","1") = "7"
    & skf18("7","1","8","8","7","9","1") = "8"
    & skf18("7","1","8","8","7","10","1") = "9"
    & skf18("7","1","8","8","8","1","1") = "7"
    & skf18("7","1","8","8","8","2","1") = "7"
    & skf18("7","1","8","8","8","3","1") = "7"
    & skf18("7","1","8","8","8","4","1") = "7"
    & skf18("7","1","8","8","8","5","1") = "7"
    & skf18("7","1","8","8","8","6","1") = "7"
    & skf18("7","1","8","8","8","7","1") = "7"
    & skf18("7","1","8","8","8","8","1") = "7"
    & skf18("7","1","8","8","8","9","1") = "8"
    & skf18("7","1","8","8","8","10","1") = "9"
    & skf18("7","1","8","8","9","1","1") = "8"
    & skf18("7","1","8","8","9","2","1") = "8"
    & skf18("7","1","8","8","9","3","1") = "8"
    & skf18("7","1","8","8","9","4","1") = "8"
    & skf18("7","1","8","8","9","5","1") = "8"
    & skf18("7","1","8","8","9","6","1") = "8"
    & skf18("7","1","8","8","9","7","1") = "8"
    & skf18("7","1","8","8","9","8","1") = "8"
    & skf18("7","1","8","8","9","9","1") = "8"
    & skf18("7","1","8","8","9","10","1") = "9"
    & skf18("7","1","8","8","10","1","1") = "9"
    & skf18("7","1","8","8","10","2","1") = "9"
    & skf18("7","1","8","8","10","3","1") = "9"
    & skf18("7","1","8","8","10","4","1") = "9"
    & skf18("7","1","8","8","10","5","1") = "9"
    & skf18("7","1","8","8","10","6","1") = "9"
    & skf18("7","1","8","8","10","7","1") = "9"
    & skf18("7","1","8","8","10","8","1") = "9"
    & skf18("7","1","8","8","10","9","1") = "9"
    & skf18("7","1","8","8","10","10","1") = "9"
    & skf18("7","1","8","9","1","1","1") = "8"
    & skf18("7","1","8","9","1","2","1") = "8"
    & skf18("7","1","8","9","1","3","1") = "8"
    & skf18("7","1","8","9","1","4","1") = "8"
    & skf18("7","1","8","9","1","5","1") = "8"
    & skf18("7","1","8","9","1","6","1") = "8"
    & skf18("7","1","8","9","1","7","1") = "8"
    & skf18("7","1","8","9","1","8","1") = "8"
    & skf18("7","1","8","9","1","9","1") = "8"
    & skf18("7","1","8","9","1","10","1") = "9"
    & skf18("7","1","8","9","2","1","1") = "8"
    & skf18("7","1","8","9","2","2","1") = "8"
    & skf18("7","1","8","9","2","3","1") = "8"
    & skf18("7","1","8","9","2","4","1") = "8"
    & skf18("7","1","8","9","2","5","1") = "8"
    & skf18("7","1","8","9","2","6","1") = "8"
    & skf18("7","1","8","9","2","7","1") = "8"
    & skf18("7","1","8","9","2","8","1") = "8"
    & skf18("7","1","8","9","2","9","1") = "8"
    & skf18("7","1","8","9","2","10","1") = "9"
    & skf18("7","1","8","9","3","1","1") = "8"
    & skf18("7","1","8","9","3","2","1") = "8"
    & skf18("7","1","8","9","3","3","1") = "8"
    & skf18("7","1","8","9","3","4","1") = "8"
    & skf18("7","1","8","9","3","5","1") = "8"
    & skf18("7","1","8","9","3","6","1") = "8"
    & skf18("7","1","8","9","3","7","1") = "8"
    & skf18("7","1","8","9","3","8","1") = "8"
    & skf18("7","1","8","9","3","9","1") = "8"
    & skf18("7","1","8","9","3","10","1") = "9"
    & skf18("7","1","8","9","4","1","1") = "8"
    & skf18("7","1","8","9","4","2","1") = "8"
    & skf18("7","1","8","9","4","3","1") = "8"
    & skf18("7","1","8","9","4","4","1") = "8"
    & skf18("7","1","8","9","4","5","1") = "8"
    & skf18("7","1","8","9","4","6","1") = "8"
    & skf18("7","1","8","9","4","7","1") = "8"
    & skf18("7","1","8","9","4","8","1") = "8"
    & skf18("7","1","8","9","4","9","1") = "8"
    & skf18("7","1","8","9","4","10","1") = "9"
    & skf18("7","1","8","9","5","1","1") = "8"
    & skf18("7","1","8","9","5","2","1") = "8"
    & skf18("7","1","8","9","5","3","1") = "8"
    & skf18("7","1","8","9","5","4","1") = "8"
    & skf18("7","1","8","9","5","5","1") = "8"
    & skf18("7","1","8","9","5","6","1") = "8"
    & skf18("7","1","8","9","5","7","1") = "8"
    & skf18("7","1","8","9","5","8","1") = "8"
    & skf18("7","1","8","9","5","9","1") = "8"
    & skf18("7","1","8","9","5","10","1") = "9"
    & skf18("7","1","8","9","6","1","1") = "8"
    & skf18("7","1","8","9","6","2","1") = "8"
    & skf18("7","1","8","9","6","3","1") = "8"
    & skf18("7","1","8","9","6","4","1") = "8"
    & skf18("7","1","8","9","6","5","1") = "8"
    & skf18("7","1","8","9","6","6","1") = "8"
    & skf18("7","1","8","9","6","7","1") = "8"
    & skf18("7","1","8","9","6","8","1") = "8"
    & skf18("7","1","8","9","6","9","1") = "8"
    & skf18("7","1","8","9","6","10","1") = "9"
    & skf18("7","1","8","9","7","1","1") = "8"
    & skf18("7","1","8","9","7","2","1") = "8"
    & skf18("7","1","8","9","7","3","1") = "8"
    & skf18("7","1","8","9","7","4","1") = "8"
    & skf18("7","1","8","9","7","5","1") = "8"
    & skf18("7","1","8","9","7","6","1") = "8"
    & skf18("7","1","8","9","7","7","1") = "8"
    & skf18("7","1","8","9","7","8","1") = "8"
    & skf18("7","1","8","9","7","9","1") = "8"
    & skf18("7","1","8","9","7","10","1") = "9"
    & skf18("7","1","8","9","8","1","1") = "8"
    & skf18("7","1","8","9","8","2","1") = "8"
    & skf18("7","1","8","9","8","3","1") = "8"
    & skf18("7","1","8","9","8","4","1") = "8"
    & skf18("7","1","8","9","8","5","1") = "8"
    & skf18("7","1","8","9","8","6","1") = "8"
    & skf18("7","1","8","9","8","7","1") = "8"
    & skf18("7","1","8","9","8","8","1") = "8"
    & skf18("7","1","8","9","8","9","1") = "8"
    & skf18("7","1","8","9","8","10","1") = "9"
    & skf18("7","1","8","9","9","1","1") = "8"
    & skf18("7","1","8","9","9","2","1") = "8"
    & skf18("7","1","8","9","9","3","1") = "8"
    & skf18("7","1","8","9","9","4","1") = "8"
    & skf18("7","1","8","9","9","5","1") = "8"
    & skf18("7","1","8","9","9","6","1") = "8"
    & skf18("7","1","8","9","9","7","1") = "8"
    & skf18("7","1","8","9","9","8","1") = "8"
    & skf18("7","1","8","9","9","9","1") = "8"
    & skf18("7","1","8","9","9","10","1") = "9"
    & skf18("7","1","8","9","10","1","1") = "9"
    & skf18("7","1","8","9","10","2","1") = "9"
    & skf18("7","1","8","9","10","3","1") = "9"
    & skf18("7","1","8","9","10","4","1") = "9"
    & skf18("7","1","8","9","10","5","1") = "9"
    & skf18("7","1","8","9","10","6","1") = "9"
    & skf18("7","1","8","9","10","7","1") = "9"
    & skf18("7","1","8","9","10","8","1") = "9"
    & skf18("7","1","8","9","10","9","1") = "9"
    & skf18("7","1","8","9","10","10","1") = "9"
    & skf18("7","1","8","10","1","1","1") = "9"
    & skf18("7","1","8","10","1","2","1") = "9"
    & skf18("7","1","8","10","1","3","1") = "9"
    & skf18("7","1","8","10","1","4","1") = "9"
    & skf18("7","1","8","10","1","5","1") = "9"
    & skf18("7","1","8","10","1","6","1") = "9"
    & skf18("7","1","8","10","1","7","1") = "9"
    & skf18("7","1","8","10","1","8","1") = "9"
    & skf18("7","1","8","10","1","9","1") = "9"
    & skf18("7","1","8","10","1","10","1") = "9"
    & skf18("7","1","8","10","2","1","1") = "9"
    & skf18("7","1","8","10","2","2","1") = "9"
    & skf18("7","1","8","10","2","3","1") = "9"
    & skf18("7","1","8","10","2","4","1") = "9"
    & skf18("7","1","8","10","2","5","1") = "9"
    & skf18("7","1","8","10","2","6","1") = "9"
    & skf18("7","1","8","10","2","7","1") = "9"
    & skf18("7","1","8","10","2","8","1") = "9"
    & skf18("7","1","8","10","2","9","1") = "9"
    & skf18("7","1","8","10","2","10","1") = "9"
    & skf18("7","1","8","10","3","1","1") = "9"
    & skf18("7","1","8","10","3","2","1") = "9"
    & skf18("7","1","8","10","3","3","1") = "9"
    & skf18("7","1","8","10","3","4","1") = "9"
    & skf18("7","1","8","10","3","5","1") = "9"
    & skf18("7","1","8","10","3","6","1") = "9"
    & skf18("7","1","8","10","3","7","1") = "9"
    & skf18("7","1","8","10","3","8","1") = "9"
    & skf18("7","1","8","10","3","9","1") = "9"
    & skf18("7","1","8","10","3","10","1") = "9"
    & skf18("7","1","8","10","4","1","1") = "9"
    & skf18("7","1","8","10","4","2","1") = "9"
    & skf18("7","1","8","10","4","3","1") = "9"
    & skf18("7","1","8","10","4","4","1") = "9"
    & skf18("7","1","8","10","4","5","1") = "9"
    & skf18("7","1","8","10","4","6","1") = "9"
    & skf18("7","1","8","10","4","7","1") = "9"
    & skf18("7","1","8","10","4","8","1") = "9"
    & skf18("7","1","8","10","4","9","1") = "9"
    & skf18("7","1","8","10","4","10","1") = "9"
    & skf18("7","1","8","10","5","1","1") = "9"
    & skf18("7","1","8","10","5","2","1") = "9"
    & skf18("7","1","8","10","5","3","1") = "9"
    & skf18("7","1","8","10","5","4","1") = "9"
    & skf18("7","1","8","10","5","5","1") = "9"
    & skf18("7","1","8","10","5","6","1") = "9"
    & skf18("7","1","8","10","5","7","1") = "9"
    & skf18("7","1","8","10","5","8","1") = "9"
    & skf18("7","1","8","10","5","9","1") = "9"
    & skf18("7","1","8","10","5","10","1") = "9"
    & skf18("7","1","8","10","6","1","1") = "9"
    & skf18("7","1","8","10","6","2","1") = "9"
    & skf18("7","1","8","10","6","3","1") = "9"
    & skf18("7","1","8","10","6","4","1") = "9"
    & skf18("7","1","8","10","6","5","1") = "9"
    & skf18("7","1","8","10","6","6","1") = "9"
    & skf18("7","1","8","10","6","7","1") = "9"
    & skf18("7","1","8","10","6","8","1") = "9"
    & skf18("7","1","8","10","6","9","1") = "9"
    & skf18("7","1","8","10","6","10","1") = "9"
    & skf18("7","1","8","10","7","1","1") = "9"
    & skf18("7","1","8","10","7","2","1") = "9"
    & skf18("7","1","8","10","7","3","1") = "9"
    & skf18("7","1","8","10","7","4","1") = "9"
    & skf18("7","1","8","10","7","5","1") = "9"
    & skf18("7","1","8","10","7","6","1") = "9"
    & skf18("7","1","8","10","7","7","1") = "9"
    & skf18("7","1","8","10","7","8","1") = "9"
    & skf18("7","1","8","10","7","9","1") = "9"
    & skf18("7","1","8","10","7","10","1") = "9"
    & skf18("7","1","8","10","8","1","1") = "9"
    & skf18("7","1","8","10","8","2","1") = "9"
    & skf18("7","1","8","10","8","3","1") = "9"
    & skf18("7","1","8","10","8","4","1") = "9"
    & skf18("7","1","8","10","8","5","1") = "9"
    & skf18("7","1","8","10","8","6","1") = "9"
    & skf18("7","1","8","10","8","7","1") = "9"
    & skf18("7","1","8","10","8","8","1") = "9"
    & skf18("7","1","8","10","8","9","1") = "9"
    & skf18("7","1","8","10","8","10","1") = "9"
    & skf18("7","1","8","10","9","1","1") = "9"
    & skf18("7","1","8","10","9","2","1") = "9"
    & skf18("7","1","8","10","9","3","1") = "9"
    & skf18("7","1","8","10","9","4","1") = "9"
    & skf18("7","1","8","10","9","5","1") = "9"
    & skf18("7","1","8","10","9","6","1") = "9"
    & skf18("7","1","8","10","9","7","1") = "9"
    & skf18("7","1","8","10","9","8","1") = "9"
    & skf18("7","1","8","10","9","9","1") = "9"
    & skf18("7","1","8","10","9","10","1") = "9"
    & skf18("7","1","8","10","10","1","1") = "9"
    & skf18("7","1","8","10","10","2","1") = "9"
    & skf18("7","1","8","10","10","3","1") = "9"
    & skf18("7","1","8","10","10","4","1") = "9"
    & skf18("7","1","8","10","10","5","1") = "9"
    & skf18("7","1","8","10","10","6","1") = "9"
    & skf18("7","1","8","10","10","7","1") = "9"
    & skf18("7","1","8","10","10","8","1") = "9"
    & skf18("7","1","8","10","10","9","1") = "9"
    & skf18("7","1","8","10","10","10","1") = "9"
    & skf18("7","1","9","1","1","1","1") = "8"
    & skf18("7","1","9","1","1","2","1") = "8"
    & skf18("7","1","9","1","1","3","1") = "8"
    & skf18("7","1","9","1","1","4","1") = "8"
    & skf18("7","1","9","1","1","5","1") = "8"
    & skf18("7","1","9","1","1","6","1") = "8"
    & skf18("7","1","9","1","1","7","1") = "8"
    & skf18("7","1","9","1","1","8","1") = "8"
    & skf18("7","1","9","1","1","9","1") = "8"
    & skf18("7","1","9","1","1","10","1") = "9"
    & skf18("7","1","9","1","2","1","1") = "8"
    & skf18("7","1","9","1","2","2","1") = "8"
    & skf18("7","1","9","1","2","3","1") = "8"
    & skf18("7","1","9","1","2","4","1") = "8"
    & skf18("7","1","9","1","2","5","1") = "8"
    & skf18("7","1","9","1","2","6","1") = "8"
    & skf18("7","1","9","1","2","7","1") = "8"
    & skf18("7","1","9","1","2","8","1") = "8"
    & skf18("7","1","9","1","2","9","1") = "8"
    & skf18("7","1","9","1","2","10","1") = "9"
    & skf18("7","1","9","1","3","1","1") = "8"
    & skf18("7","1","9","1","3","2","1") = "8"
    & skf18("7","1","9","1","3","3","1") = "8"
    & skf18("7","1","9","1","3","4","1") = "8"
    & skf18("7","1","9","1","3","5","1") = "8"
    & skf18("7","1","9","1","3","6","1") = "8"
    & skf18("7","1","9","1","3","7","1") = "8"
    & skf18("7","1","9","1","3","8","1") = "8"
    & skf18("7","1","9","1","3","9","1") = "8"
    & skf18("7","1","9","1","3","10","1") = "9"
    & skf18("7","1","9","1","4","1","1") = "8"
    & skf18("7","1","9","1","4","2","1") = "8"
    & skf18("7","1","9","1","4","3","1") = "8"
    & skf18("7","1","9","1","4","4","1") = "8"
    & skf18("7","1","9","1","4","5","1") = "8"
    & skf18("7","1","9","1","4","6","1") = "8"
    & skf18("7","1","9","1","4","7","1") = "8"
    & skf18("7","1","9","1","4","8","1") = "8"
    & skf18("7","1","9","1","4","9","1") = "8"
    & skf18("7","1","9","1","4","10","1") = "9"
    & skf18("7","1","9","1","5","1","1") = "8"
    & skf18("7","1","9","1","5","2","1") = "8"
    & skf18("7","1","9","1","5","3","1") = "8"
    & skf18("7","1","9","1","5","4","1") = "8"
    & skf18("7","1","9","1","5","5","1") = "8"
    & skf18("7","1","9","1","5","6","1") = "8"
    & skf18("7","1","9","1","5","7","1") = "8"
    & skf18("7","1","9","1","5","8","1") = "8"
    & skf18("7","1","9","1","5","9","1") = "8"
    & skf18("7","1","9","1","5","10","1") = "9"
    & skf18("7","1","9","1","6","1","1") = "8"
    & skf18("7","1","9","1","6","2","1") = "8"
    & skf18("7","1","9","1","6","3","1") = "8"
    & skf18("7","1","9","1","6","4","1") = "8"
    & skf18("7","1","9","1","6","5","1") = "8"
    & skf18("7","1","9","1","6","6","1") = "8"
    & skf18("7","1","9","1","6","7","1") = "8"
    & skf18("7","1","9","1","6","8","1") = "8"
    & skf18("7","1","9","1","6","9","1") = "8"
    & skf18("7","1","9","1","6","10","1") = "9"
    & skf18("7","1","9","1","7","1","1") = "8"
    & skf18("7","1","9","1","7","2","1") = "8"
    & skf18("7","1","9","1","7","3","1") = "8"
    & skf18("7","1","9","1","7","4","1") = "8"
    & skf18("7","1","9","1","7","5","1") = "8"
    & skf18("7","1","9","1","7","6","1") = "8"
    & skf18("7","1","9","1","7","7","1") = "8"
    & skf18("7","1","9","1","7","8","1") = "8"
    & skf18("7","1","9","1","7","9","1") = "8"
    & skf18("7","1","9","1","7","10","1") = "9"
    & skf18("7","1","9","1","8","1","1") = "8"
    & skf18("7","1","9","1","8","2","1") = "8"
    & skf18("7","1","9","1","8","3","1") = "8"
    & skf18("7","1","9","1","8","4","1") = "8"
    & skf18("7","1","9","1","8","5","1") = "8"
    & skf18("7","1","9","1","8","6","1") = "8"
    & skf18("7","1","9","1","8","7","1") = "8"
    & skf18("7","1","9","1","8","8","1") = "8"
    & skf18("7","1","9","1","8","9","1") = "8"
    & skf18("7","1","9","1","8","10","1") = "9"
    & skf18("7","1","9","1","9","1","1") = "8"
    & skf18("7","1","9","1","9","2","1") = "8"
    & skf18("7","1","9","1","9","3","1") = "8"
    & skf18("7","1","9","1","9","4","1") = "8"
    & skf18("7","1","9","1","9","5","1") = "8"
    & skf18("7","1","9","1","9","6","1") = "8"
    & skf18("7","1","9","1","9","7","1") = "8"
    & skf18("7","1","9","1","9","8","1") = "8"
    & skf18("7","1","9","1","9","9","1") = "8"
    & skf18("7","1","9","1","9","10","1") = "9"
    & skf18("7","1","9","1","10","1","1") = "9"
    & skf18("7","1","9","1","10","2","1") = "9"
    & skf18("7","1","9","1","10","3","1") = "9"
    & skf18("7","1","9","1","10","4","1") = "9"
    & skf18("7","1","9","1","10","5","1") = "9"
    & skf18("7","1","9","1","10","6","1") = "9"
    & skf18("7","1","9","1","10","7","1") = "9"
    & skf18("7","1","9","1","10","8","1") = "9"
    & skf18("7","1","9","1","10","9","1") = "9"
    & skf18("7","1","9","1","10","10","1") = "9"
    & skf18("7","1","9","2","1","1","1") = "8"
    & skf18("7","1","9","2","1","2","1") = "8"
    & skf18("7","1","9","2","1","3","1") = "8"
    & skf18("7","1","9","2","1","4","1") = "8"
    & skf18("7","1","9","2","1","5","1") = "8"
    & skf18("7","1","9","2","1","6","1") = "8"
    & skf18("7","1","9","2","1","7","1") = "8"
    & skf18("7","1","9","2","1","8","1") = "8"
    & skf18("7","1","9","2","1","9","1") = "8"
    & skf18("7","1","9","2","1","10","1") = "9"
    & skf18("7","1","9","2","2","1","1") = "8"
    & skf18("7","1","9","2","2","2","1") = "8"
    & skf18("7","1","9","2","2","3","1") = "8"
    & skf18("7","1","9","2","2","4","1") = "8"
    & skf18("7","1","9","2","2","5","1") = "8"
    & skf18("7","1","9","2","2","6","1") = "8"
    & skf18("7","1","9","2","2","7","1") = "8"
    & skf18("7","1","9","2","2","8","1") = "8"
    & skf18("7","1","9","2","2","9","1") = "8"
    & skf18("7","1","9","2","2","10","1") = "9"
    & skf18("7","1","9","2","3","1","1") = "8"
    & skf18("7","1","9","2","3","2","1") = "8"
    & skf18("7","1","9","2","3","3","1") = "8"
    & skf18("7","1","9","2","3","4","1") = "8"
    & skf18("7","1","9","2","3","5","1") = "8"
    & skf18("7","1","9","2","3","6","1") = "8"
    & skf18("7","1","9","2","3","7","1") = "8"
    & skf18("7","1","9","2","3","8","1") = "8"
    & skf18("7","1","9","2","3","9","1") = "8"
    & skf18("7","1","9","2","3","10","1") = "9"
    & skf18("7","1","9","2","4","1","1") = "8"
    & skf18("7","1","9","2","4","2","1") = "8"
    & skf18("7","1","9","2","4","3","1") = "8"
    & skf18("7","1","9","2","4","4","1") = "8"
    & skf18("7","1","9","2","4","5","1") = "8"
    & skf18("7","1","9","2","4","6","1") = "8"
    & skf18("7","1","9","2","4","7","1") = "8"
    & skf18("7","1","9","2","4","8","1") = "8"
    & skf18("7","1","9","2","4","9","1") = "8"
    & skf18("7","1","9","2","4","10","1") = "9"
    & skf18("7","1","9","2","5","1","1") = "8"
    & skf18("7","1","9","2","5","2","1") = "8"
    & skf18("7","1","9","2","5","3","1") = "8"
    & skf18("7","1","9","2","5","4","1") = "8"
    & skf18("7","1","9","2","5","5","1") = "8"
    & skf18("7","1","9","2","5","6","1") = "8"
    & skf18("7","1","9","2","5","7","1") = "8"
    & skf18("7","1","9","2","5","8","1") = "8"
    & skf18("7","1","9","2","5","9","1") = "8"
    & skf18("7","1","9","2","5","10","1") = "9"
    & skf18("7","1","9","2","6","1","1") = "8"
    & skf18("7","1","9","2","6","2","1") = "8"
    & skf18("7","1","9","2","6","3","1") = "8"
    & skf18("7","1","9","2","6","4","1") = "8"
    & skf18("7","1","9","2","6","5","1") = "8"
    & skf18("7","1","9","2","6","6","1") = "8"
    & skf18("7","1","9","2","6","7","1") = "8"
    & skf18("7","1","9","2","6","8","1") = "8"
    & skf18("7","1","9","2","6","9","1") = "8"
    & skf18("7","1","9","2","6","10","1") = "9"
    & skf18("7","1","9","2","7","1","1") = "8"
    & skf18("7","1","9","2","7","2","1") = "8"
    & skf18("7","1","9","2","7","3","1") = "8"
    & skf18("7","1","9","2","7","4","1") = "8"
    & skf18("7","1","9","2","7","5","1") = "8"
    & skf18("7","1","9","2","7","6","1") = "8"
    & skf18("7","1","9","2","7","7","1") = "8"
    & skf18("7","1","9","2","7","8","1") = "8"
    & skf18("7","1","9","2","7","9","1") = "8"
    & skf18("7","1","9","2","7","10","1") = "9"
    & skf18("7","1","9","2","8","1","1") = "8"
    & skf18("7","1","9","2","8","2","1") = "8"
    & skf18("7","1","9","2","8","3","1") = "8"
    & skf18("7","1","9","2","8","4","1") = "8"
    & skf18("7","1","9","2","8","5","1") = "8"
    & skf18("7","1","9","2","8","6","1") = "8"
    & skf18("7","1","9","2","8","7","1") = "8"
    & skf18("7","1","9","2","8","8","1") = "8"
    & skf18("7","1","9","2","8","9","1") = "8"
    & skf18("7","1","9","2","8","10","1") = "9"
    & skf18("7","1","9","2","9","1","1") = "8"
    & skf18("7","1","9","2","9","2","1") = "8"
    & skf18("7","1","9","2","9","3","1") = "8"
    & skf18("7","1","9","2","9","4","1") = "8"
    & skf18("7","1","9","2","9","5","1") = "8"
    & skf18("7","1","9","2","9","6","1") = "8"
    & skf18("7","1","9","2","9","7","1") = "8"
    & skf18("7","1","9","2","9","8","1") = "8"
    & skf18("7","1","9","2","9","9","1") = "8"
    & skf18("7","1","9","2","9","10","1") = "9"
    & skf18("7","1","9","2","10","1","1") = "9"
    & skf18("7","1","9","2","10","2","1") = "9"
    & skf18("7","1","9","2","10","3","1") = "9"
    & skf18("7","1","9","2","10","4","1") = "9"
    & skf18("7","1","9","2","10","5","1") = "9"
    & skf18("7","1","9","2","10","6","1") = "9"
    & skf18("7","1","9","2","10","7","1") = "9"
    & skf18("7","1","9","2","10","8","1") = "9"
    & skf18("7","1","9","2","10","9","1") = "9"
    & skf18("7","1","9","2","10","10","1") = "9"
    & skf18("7","1","9","3","1","1","1") = "8"
    & skf18("7","1","9","3","1","2","1") = "8"
    & skf18("7","1","9","3","1","3","1") = "8"
    & skf18("7","1","9","3","1","4","1") = "8"
    & skf18("7","1","9","3","1","5","1") = "8"
    & skf18("7","1","9","3","1","6","1") = "8"
    & skf18("7","1","9","3","1","7","1") = "8"
    & skf18("7","1","9","3","1","8","1") = "8"
    & skf18("7","1","9","3","1","9","1") = "8"
    & skf18("7","1","9","3","1","10","1") = "9"
    & skf18("7","1","9","3","2","1","1") = "8"
    & skf18("7","1","9","3","2","2","1") = "8"
    & skf18("7","1","9","3","2","3","1") = "8"
    & skf18("7","1","9","3","2","4","1") = "8"
    & skf18("7","1","9","3","2","5","1") = "8"
    & skf18("7","1","9","3","2","6","1") = "8"
    & skf18("7","1","9","3","2","7","1") = "8"
    & skf18("7","1","9","3","2","8","1") = "8"
    & skf18("7","1","9","3","2","9","1") = "8"
    & skf18("7","1","9","3","2","10","1") = "9"
    & skf18("7","1","9","3","3","1","1") = "8"
    & skf18("7","1","9","3","3","2","1") = "8"
    & skf18("7","1","9","3","3","3","1") = "8"
    & skf18("7","1","9","3","3","4","1") = "8"
    & skf18("7","1","9","3","3","5","1") = "8"
    & skf18("7","1","9","3","3","6","1") = "8"
    & skf18("7","1","9","3","3","7","1") = "8"
    & skf18("7","1","9","3","3","8","1") = "8"
    & skf18("7","1","9","3","3","9","1") = "8"
    & skf18("7","1","9","3","3","10","1") = "9"
    & skf18("7","1","9","3","4","1","1") = "8"
    & skf18("7","1","9","3","4","2","1") = "8"
    & skf18("7","1","9","3","4","3","1") = "8"
    & skf18("7","1","9","3","4","4","1") = "8"
    & skf18("7","1","9","3","4","5","1") = "8"
    & skf18("7","1","9","3","4","6","1") = "8"
    & skf18("7","1","9","3","4","7","1") = "8"
    & skf18("7","1","9","3","4","8","1") = "8"
    & skf18("7","1","9","3","4","9","1") = "8"
    & skf18("7","1","9","3","4","10","1") = "9"
    & skf18("7","1","9","3","5","1","1") = "8"
    & skf18("7","1","9","3","5","2","1") = "8"
    & skf18("7","1","9","3","5","3","1") = "8"
    & skf18("7","1","9","3","5","4","1") = "8"
    & skf18("7","1","9","3","5","5","1") = "8"
    & skf18("7","1","9","3","5","6","1") = "8"
    & skf18("7","1","9","3","5","7","1") = "8"
    & skf18("7","1","9","3","5","8","1") = "8"
    & skf18("7","1","9","3","5","9","1") = "8"
    & skf18("7","1","9","3","5","10","1") = "9"
    & skf18("7","1","9","3","6","1","1") = "8"
    & skf18("7","1","9","3","6","2","1") = "8"
    & skf18("7","1","9","3","6","3","1") = "8"
    & skf18("7","1","9","3","6","4","1") = "8"
    & skf18("7","1","9","3","6","5","1") = "8"
    & skf18("7","1","9","3","6","6","1") = "8"
    & skf18("7","1","9","3","6","7","1") = "8"
    & skf18("7","1","9","3","6","8","1") = "8"
    & skf18("7","1","9","3","6","9","1") = "8"
    & skf18("7","1","9","3","6","10","1") = "9"
    & skf18("7","1","9","3","7","1","1") = "8"
    & skf18("7","1","9","3","7","2","1") = "8"
    & skf18("7","1","9","3","7","3","1") = "8"
    & skf18("7","1","9","3","7","4","1") = "8"
    & skf18("7","1","9","3","7","5","1") = "8"
    & skf18("7","1","9","3","7","6","1") = "8"
    & skf18("7","1","9","3","7","7","1") = "8"
    & skf18("7","1","9","3","7","8","1") = "8"
    & skf18("7","1","9","3","7","9","1") = "8"
    & skf18("7","1","9","3","7","10","1") = "9"
    & skf18("7","1","9","3","8","1","1") = "8"
    & skf18("7","1","9","3","8","2","1") = "8"
    & skf18("7","1","9","3","8","3","1") = "8"
    & skf18("7","1","9","3","8","4","1") = "8"
    & skf18("7","1","9","3","8","5","1") = "8"
    & skf18("7","1","9","3","8","6","1") = "8"
    & skf18("7","1","9","3","8","7","1") = "8"
    & skf18("7","1","9","3","8","8","1") = "8"
    & skf18("7","1","9","3","8","9","1") = "8"
    & skf18("7","1","9","3","8","10","1") = "9"
    & skf18("7","1","9","3","9","1","1") = "8"
    & skf18("7","1","9","3","9","2","1") = "8"
    & skf18("7","1","9","3","9","3","1") = "8"
    & skf18("7","1","9","3","9","4","1") = "8"
    & skf18("7","1","9","3","9","5","1") = "8"
    & skf18("7","1","9","3","9","6","1") = "8"
    & skf18("7","1","9","3","9","7","1") = "8"
    & skf18("7","1","9","3","9","8","1") = "8"
    & skf18("7","1","9","3","9","9","1") = "8"
    & skf18("7","1","9","3","9","10","1") = "9"
    & skf18("7","1","9","3","10","1","1") = "9"
    & skf18("7","1","9","3","10","2","1") = "9"
    & skf18("7","1","9","3","10","3","1") = "9"
    & skf18("7","1","9","3","10","4","1") = "9"
    & skf18("7","1","9","3","10","5","1") = "9"
    & skf18("7","1","9","3","10","6","1") = "9"
    & skf18("7","1","9","3","10","7","1") = "9"
    & skf18("7","1","9","3","10","8","1") = "9"
    & skf18("7","1","9","3","10","9","1") = "9"
    & skf18("7","1","9","3","10","10","1") = "9"
    & skf18("7","1","9","4","1","1","1") = "8"
    & skf18("7","1","9","4","1","2","1") = "8"
    & skf18("7","1","9","4","1","3","1") = "8"
    & skf18("7","1","9","4","1","4","1") = "8"
    & skf18("7","1","9","4","1","5","1") = "8"
    & skf18("7","1","9","4","1","6","1") = "8"
    & skf18("7","1","9","4","1","7","1") = "8"
    & skf18("7","1","9","4","1","8","1") = "8"
    & skf18("7","1","9","4","1","9","1") = "8"
    & skf18("7","1","9","4","1","10","1") = "9"
    & skf18("7","1","9","4","2","1","1") = "8"
    & skf18("7","1","9","4","2","2","1") = "8"
    & skf18("7","1","9","4","2","3","1") = "8"
    & skf18("7","1","9","4","2","4","1") = "8"
    & skf18("7","1","9","4","2","5","1") = "8"
    & skf18("7","1","9","4","2","6","1") = "8"
    & skf18("7","1","9","4","2","7","1") = "8"
    & skf18("7","1","9","4","2","8","1") = "8"
    & skf18("7","1","9","4","2","9","1") = "8"
    & skf18("7","1","9","4","2","10","1") = "9"
    & skf18("7","1","9","4","3","1","1") = "8"
    & skf18("7","1","9","4","3","2","1") = "8"
    & skf18("7","1","9","4","3","3","1") = "8"
    & skf18("7","1","9","4","3","4","1") = "8"
    & skf18("7","1","9","4","3","5","1") = "8"
    & skf18("7","1","9","4","3","6","1") = "8"
    & skf18("7","1","9","4","3","7","1") = "8"
    & skf18("7","1","9","4","3","8","1") = "8"
    & skf18("7","1","9","4","3","9","1") = "8"
    & skf18("7","1","9","4","3","10","1") = "9"
    & skf18("7","1","9","4","4","1","1") = "8"
    & skf18("7","1","9","4","4","2","1") = "8"
    & skf18("7","1","9","4","4","3","1") = "8"
    & skf18("7","1","9","4","4","4","1") = "8"
    & skf18("7","1","9","4","4","5","1") = "8"
    & skf18("7","1","9","4","4","6","1") = "8"
    & skf18("7","1","9","4","4","7","1") = "8"
    & skf18("7","1","9","4","4","8","1") = "8"
    & skf18("7","1","9","4","4","9","1") = "8"
    & skf18("7","1","9","4","4","10","1") = "9"
    & skf18("7","1","9","4","5","1","1") = "8"
    & skf18("7","1","9","4","5","2","1") = "8"
    & skf18("7","1","9","4","5","3","1") = "8"
    & skf18("7","1","9","4","5","4","1") = "8"
    & skf18("7","1","9","4","5","5","1") = "8"
    & skf18("7","1","9","4","5","6","1") = "8"
    & skf18("7","1","9","4","5","7","1") = "8"
    & skf18("7","1","9","4","5","8","1") = "8"
    & skf18("7","1","9","4","5","9","1") = "8"
    & skf18("7","1","9","4","5","10","1") = "9"
    & skf18("7","1","9","4","6","1","1") = "8"
    & skf18("7","1","9","4","6","2","1") = "8"
    & skf18("7","1","9","4","6","3","1") = "8"
    & skf18("7","1","9","4","6","4","1") = "8"
    & skf18("7","1","9","4","6","5","1") = "8"
    & skf18("7","1","9","4","6","6","1") = "8"
    & skf18("7","1","9","4","6","7","1") = "8"
    & skf18("7","1","9","4","6","8","1") = "8"
    & skf18("7","1","9","4","6","9","1") = "8"
    & skf18("7","1","9","4","6","10","1") = "9"
    & skf18("7","1","9","4","7","1","1") = "8"
    & skf18("7","1","9","4","7","2","1") = "8"
    & skf18("7","1","9","4","7","3","1") = "8"
    & skf18("7","1","9","4","7","4","1") = "8"
    & skf18("7","1","9","4","7","5","1") = "8"
    & skf18("7","1","9","4","7","6","1") = "8"
    & skf18("7","1","9","4","7","7","1") = "8"
    & skf18("7","1","9","4","7","8","1") = "8"
    & skf18("7","1","9","4","7","9","1") = "8"
    & skf18("7","1","9","4","7","10","1") = "9"
    & skf18("7","1","9","4","8","1","1") = "8"
    & skf18("7","1","9","4","8","2","1") = "8"
    & skf18("7","1","9","4","8","3","1") = "8"
    & skf18("7","1","9","4","8","4","1") = "8"
    & skf18("7","1","9","4","8","5","1") = "8"
    & skf18("7","1","9","4","8","6","1") = "8"
    & skf18("7","1","9","4","8","7","1") = "8"
    & skf18("7","1","9","4","8","8","1") = "8"
    & skf18("7","1","9","4","8","9","1") = "8"
    & skf18("7","1","9","4","8","10","1") = "9"
    & skf18("7","1","9","4","9","1","1") = "8"
    & skf18("7","1","9","4","9","2","1") = "8"
    & skf18("7","1","9","4","9","3","1") = "8"
    & skf18("7","1","9","4","9","4","1") = "8"
    & skf18("7","1","9","4","9","5","1") = "8"
    & skf18("7","1","9","4","9","6","1") = "8"
    & skf18("7","1","9","4","9","7","1") = "8"
    & skf18("7","1","9","4","9","8","1") = "8"
    & skf18("7","1","9","4","9","9","1") = "8"
    & skf18("7","1","9","4","9","10","1") = "9"
    & skf18("7","1","9","4","10","1","1") = "9"
    & skf18("7","1","9","4","10","2","1") = "9"
    & skf18("7","1","9","4","10","3","1") = "9"
    & skf18("7","1","9","4","10","4","1") = "9"
    & skf18("7","1","9","4","10","5","1") = "9"
    & skf18("7","1","9","4","10","6","1") = "9"
    & skf18("7","1","9","4","10","7","1") = "9"
    & skf18("7","1","9","4","10","8","1") = "9"
    & skf18("7","1","9","4","10","9","1") = "9"
    & skf18("7","1","9","4","10","10","1") = "9"
    & skf18("7","1","9","5","1","1","1") = "8"
    & skf18("7","1","9","5","1","2","1") = "8"
    & skf18("7","1","9","5","1","3","1") = "8"
    & skf18("7","1","9","5","1","4","1") = "8"
    & skf18("7","1","9","5","1","5","1") = "8"
    & skf18("7","1","9","5","1","6","1") = "8"
    & skf18("7","1","9","5","1","7","1") = "8"
    & skf18("7","1","9","5","1","8","1") = "8"
    & skf18("7","1","9","5","1","9","1") = "8"
    & skf18("7","1","9","5","1","10","1") = "9"
    & skf18("7","1","9","5","2","1","1") = "8"
    & skf18("7","1","9","5","2","2","1") = "8"
    & skf18("7","1","9","5","2","3","1") = "8"
    & skf18("7","1","9","5","2","4","1") = "8"
    & skf18("7","1","9","5","2","5","1") = "8"
    & skf18("7","1","9","5","2","6","1") = "8"
    & skf18("7","1","9","5","2","7","1") = "8"
    & skf18("7","1","9","5","2","8","1") = "8"
    & skf18("7","1","9","5","2","9","1") = "8"
    & skf18("7","1","9","5","2","10","1") = "9"
    & skf18("7","1","9","5","3","1","1") = "8"
    & skf18("7","1","9","5","3","2","1") = "8"
    & skf18("7","1","9","5","3","3","1") = "8"
    & skf18("7","1","9","5","3","4","1") = "8"
    & skf18("7","1","9","5","3","5","1") = "8"
    & skf18("7","1","9","5","3","6","1") = "8"
    & skf18("7","1","9","5","3","7","1") = "8"
    & skf18("7","1","9","5","3","8","1") = "8"
    & skf18("7","1","9","5","3","9","1") = "8"
    & skf18("7","1","9","5","3","10","1") = "9"
    & skf18("7","1","9","5","4","1","1") = "8"
    & skf18("7","1","9","5","4","2","1") = "8"
    & skf18("7","1","9","5","4","3","1") = "8"
    & skf18("7","1","9","5","4","4","1") = "8"
    & skf18("7","1","9","5","4","5","1") = "8"
    & skf18("7","1","9","5","4","6","1") = "8"
    & skf18("7","1","9","5","4","7","1") = "8"
    & skf18("7","1","9","5","4","8","1") = "8"
    & skf18("7","1","9","5","4","9","1") = "8"
    & skf18("7","1","9","5","4","10","1") = "9"
    & skf18("7","1","9","5","5","1","1") = "8"
    & skf18("7","1","9","5","5","2","1") = "8"
    & skf18("7","1","9","5","5","3","1") = "8"
    & skf18("7","1","9","5","5","4","1") = "8"
    & skf18("7","1","9","5","5","5","1") = "8"
    & skf18("7","1","9","5","5","6","1") = "8"
    & skf18("7","1","9","5","5","7","1") = "8"
    & skf18("7","1","9","5","5","8","1") = "8"
    & skf18("7","1","9","5","5","9","1") = "8"
    & skf18("7","1","9","5","5","10","1") = "9"
    & skf18("7","1","9","5","6","1","1") = "8"
    & skf18("7","1","9","5","6","2","1") = "8"
    & skf18("7","1","9","5","6","3","1") = "8"
    & skf18("7","1","9","5","6","4","1") = "8"
    & skf18("7","1","9","5","6","5","1") = "8"
    & skf18("7","1","9","5","6","6","1") = "8"
    & skf18("7","1","9","5","6","7","1") = "8"
    & skf18("7","1","9","5","6","8","1") = "8"
    & skf18("7","1","9","5","6","9","1") = "8"
    & skf18("7","1","9","5","6","10","1") = "9"
    & skf18("7","1","9","5","7","1","1") = "8"
    & skf18("7","1","9","5","7","2","1") = "8"
    & skf18("7","1","9","5","7","3","1") = "8"
    & skf18("7","1","9","5","7","4","1") = "8"
    & skf18("7","1","9","5","7","5","1") = "8"
    & skf18("7","1","9","5","7","6","1") = "8"
    & skf18("7","1","9","5","7","7","1") = "8"
    & skf18("7","1","9","5","7","8","1") = "8"
    & skf18("7","1","9","5","7","9","1") = "8"
    & skf18("7","1","9","5","7","10","1") = "9"
    & skf18("7","1","9","5","8","1","1") = "8"
    & skf18("7","1","9","5","8","2","1") = "8"
    & skf18("7","1","9","5","8","3","1") = "8"
    & skf18("7","1","9","5","8","4","1") = "8"
    & skf18("7","1","9","5","8","5","1") = "8"
    & skf18("7","1","9","5","8","6","1") = "8"
    & skf18("7","1","9","5","8","7","1") = "8"
    & skf18("7","1","9","5","8","8","1") = "8"
    & skf18("7","1","9","5","8","9","1") = "8"
    & skf18("7","1","9","5","8","10","1") = "9"
    & skf18("7","1","9","5","9","1","1") = "8"
    & skf18("7","1","9","5","9","2","1") = "8"
    & skf18("7","1","9","5","9","3","1") = "8"
    & skf18("7","1","9","5","9","4","1") = "8"
    & skf18("7","1","9","5","9","5","1") = "8"
    & skf18("7","1","9","5","9","6","1") = "8"
    & skf18("7","1","9","5","9","7","1") = "8"
    & skf18("7","1","9","5","9","8","1") = "8"
    & skf18("7","1","9","5","9","9","1") = "8"
    & skf18("7","1","9","5","9","10","1") = "9"
    & skf18("7","1","9","5","10","1","1") = "9"
    & skf18("7","1","9","5","10","2","1") = "9"
    & skf18("7","1","9","5","10","3","1") = "9"
    & skf18("7","1","9","5","10","4","1") = "9"
    & skf18("7","1","9","5","10","5","1") = "9"
    & skf18("7","1","9","5","10","6","1") = "9"
    & skf18("7","1","9","5","10","7","1") = "9"
    & skf18("7","1","9","5","10","8","1") = "9"
    & skf18("7","1","9","5","10","9","1") = "9"
    & skf18("7","1","9","5","10","10","1") = "9"
    & skf18("7","1","9","6","1","1","1") = "8"
    & skf18("7","1","9","6","1","2","1") = "8"
    & skf18("7","1","9","6","1","3","1") = "8"
    & skf18("7","1","9","6","1","4","1") = "8"
    & skf18("7","1","9","6","1","5","1") = "8"
    & skf18("7","1","9","6","1","6","1") = "8"
    & skf18("7","1","9","6","1","7","1") = "8"
    & skf18("7","1","9","6","1","8","1") = "8"
    & skf18("7","1","9","6","1","9","1") = "8"
    & skf18("7","1","9","6","1","10","1") = "9"
    & skf18("7","1","9","6","2","1","1") = "8"
    & skf18("7","1","9","6","2","2","1") = "8"
    & skf18("7","1","9","6","2","3","1") = "8"
    & skf18("7","1","9","6","2","4","1") = "8"
    & skf18("7","1","9","6","2","5","1") = "8"
    & skf18("7","1","9","6","2","6","1") = "8"
    & skf18("7","1","9","6","2","7","1") = "8"
    & skf18("7","1","9","6","2","8","1") = "8"
    & skf18("7","1","9","6","2","9","1") = "8"
    & skf18("7","1","9","6","2","10","1") = "9"
    & skf18("7","1","9","6","3","1","1") = "8"
    & skf18("7","1","9","6","3","2","1") = "8"
    & skf18("7","1","9","6","3","3","1") = "8"
    & skf18("7","1","9","6","3","4","1") = "8"
    & skf18("7","1","9","6","3","5","1") = "8"
    & skf18("7","1","9","6","3","6","1") = "8"
    & skf18("7","1","9","6","3","7","1") = "8"
    & skf18("7","1","9","6","3","8","1") = "8"
    & skf18("7","1","9","6","3","9","1") = "8"
    & skf18("7","1","9","6","3","10","1") = "9"
    & skf18("7","1","9","6","4","1","1") = "8"
    & skf18("7","1","9","6","4","2","1") = "8"
    & skf18("7","1","9","6","4","3","1") = "8"
    & skf18("7","1","9","6","4","4","1") = "8"
    & skf18("7","1","9","6","4","5","1") = "8"
    & skf18("7","1","9","6","4","6","1") = "8"
    & skf18("7","1","9","6","4","7","1") = "8"
    & skf18("7","1","9","6","4","8","1") = "8"
    & skf18("7","1","9","6","4","9","1") = "8"
    & skf18("7","1","9","6","4","10","1") = "9"
    & skf18("7","1","9","6","5","1","1") = "8"
    & skf18("7","1","9","6","5","2","1") = "8"
    & skf18("7","1","9","6","5","3","1") = "8"
    & skf18("7","1","9","6","5","4","1") = "8"
    & skf18("7","1","9","6","5","5","1") = "8"
    & skf18("7","1","9","6","5","6","1") = "8"
    & skf18("7","1","9","6","5","7","1") = "8"
    & skf18("7","1","9","6","5","8","1") = "8"
    & skf18("7","1","9","6","5","9","1") = "8"
    & skf18("7","1","9","6","5","10","1") = "9"
    & skf18("7","1","9","6","6","1","1") = "8"
    & skf18("7","1","9","6","6","2","1") = "8"
    & skf18("7","1","9","6","6","3","1") = "8"
    & skf18("7","1","9","6","6","4","1") = "8"
    & skf18("7","1","9","6","6","5","1") = "8"
    & skf18("7","1","9","6","6","6","1") = "8"
    & skf18("7","1","9","6","6","7","1") = "8"
    & skf18("7","1","9","6","6","8","1") = "8"
    & skf18("7","1","9","6","6","9","1") = "8"
    & skf18("7","1","9","6","6","10","1") = "9"
    & skf18("7","1","9","6","7","1","1") = "8"
    & skf18("7","1","9","6","7","2","1") = "8"
    & skf18("7","1","9","6","7","3","1") = "8"
    & skf18("7","1","9","6","7","4","1") = "8"
    & skf18("7","1","9","6","7","5","1") = "8"
    & skf18("7","1","9","6","7","6","1") = "8"
    & skf18("7","1","9","6","7","7","1") = "8"
    & skf18("7","1","9","6","7","8","1") = "8"
    & skf18("7","1","9","6","7","9","1") = "8"
    & skf18("7","1","9","6","7","10","1") = "9"
    & skf18("7","1","9","6","8","1","1") = "8"
    & skf18("7","1","9","6","8","2","1") = "8"
    & skf18("7","1","9","6","8","3","1") = "8"
    & skf18("7","1","9","6","8","4","1") = "8"
    & skf18("7","1","9","6","8","5","1") = "8"
    & skf18("7","1","9","6","8","6","1") = "8"
    & skf18("7","1","9","6","8","7","1") = "8"
    & skf18("7","1","9","6","8","8","1") = "8"
    & skf18("7","1","9","6","8","9","1") = "8"
    & skf18("7","1","9","6","8","10","1") = "9"
    & skf18("7","1","9","6","9","1","1") = "8"
    & skf18("7","1","9","6","9","2","1") = "8"
    & skf18("7","1","9","6","9","3","1") = "8"
    & skf18("7","1","9","6","9","4","1") = "8"
    & skf18("7","1","9","6","9","5","1") = "8"
    & skf18("7","1","9","6","9","6","1") = "8"
    & skf18("7","1","9","6","9","7","1") = "8"
    & skf18("7","1","9","6","9","8","1") = "8"
    & skf18("7","1","9","6","9","9","1") = "8"
    & skf18("7","1","9","6","9","10","1") = "9"
    & skf18("7","1","9","6","10","1","1") = "9"
    & skf18("7","1","9","6","10","2","1") = "9"
    & skf18("7","1","9","6","10","3","1") = "9"
    & skf18("7","1","9","6","10","4","1") = "9"
    & skf18("7","1","9","6","10","5","1") = "9"
    & skf18("7","1","9","6","10","6","1") = "9"
    & skf18("7","1","9","6","10","7","1") = "9"
    & skf18("7","1","9","6","10","8","1") = "9"
    & skf18("7","1","9","6","10","9","1") = "9"
    & skf18("7","1","9","6","10","10","1") = "9"
    & skf18("7","1","9","7","1","1","1") = "8"
    & skf18("7","1","9","7","1","2","1") = "8"
    & skf18("7","1","9","7","1","3","1") = "8"
    & skf18("7","1","9","7","1","4","1") = "8"
    & skf18("7","1","9","7","1","5","1") = "8"
    & skf18("7","1","9","7","1","6","1") = "8"
    & skf18("7","1","9","7","1","7","1") = "8"
    & skf18("7","1","9","7","1","8","1") = "8"
    & skf18("7","1","9","7","1","9","1") = "8"
    & skf18("7","1","9","7","1","10","1") = "9"
    & skf18("7","1","9","7","2","1","1") = "8"
    & skf18("7","1","9","7","2","2","1") = "8"
    & skf18("7","1","9","7","2","3","1") = "8"
    & skf18("7","1","9","7","2","4","1") = "8"
    & skf18("7","1","9","7","2","5","1") = "8"
    & skf18("7","1","9","7","2","6","1") = "8"
    & skf18("7","1","9","7","2","7","1") = "8"
    & skf18("7","1","9","7","2","8","1") = "8"
    & skf18("7","1","9","7","2","9","1") = "8"
    & skf18("7","1","9","7","2","10","1") = "9"
    & skf18("7","1","9","7","3","1","1") = "8"
    & skf18("7","1","9","7","3","2","1") = "8"
    & skf18("7","1","9","7","3","3","1") = "8"
    & skf18("7","1","9","7","3","4","1") = "8"
    & skf18("7","1","9","7","3","5","1") = "8"
    & skf18("7","1","9","7","3","6","1") = "8"
    & skf18("7","1","9","7","3","7","1") = "8"
    & skf18("7","1","9","7","3","8","1") = "8"
    & skf18("7","1","9","7","3","9","1") = "8"
    & skf18("7","1","9","7","3","10","1") = "9"
    & skf18("7","1","9","7","4","1","1") = "8"
    & skf18("7","1","9","7","4","2","1") = "8"
    & skf18("7","1","9","7","4","3","1") = "8"
    & skf18("7","1","9","7","4","4","1") = "8"
    & skf18("7","1","9","7","4","5","1") = "8"
    & skf18("7","1","9","7","4","6","1") = "8"
    & skf18("7","1","9","7","4","7","1") = "8"
    & skf18("7","1","9","7","4","8","1") = "8"
    & skf18("7","1","9","7","4","9","1") = "8"
    & skf18("7","1","9","7","4","10","1") = "9"
    & skf18("7","1","9","7","5","1","1") = "8"
    & skf18("7","1","9","7","5","2","1") = "8"
    & skf18("7","1","9","7","5","3","1") = "8"
    & skf18("7","1","9","7","5","4","1") = "8"
    & skf18("7","1","9","7","5","5","1") = "8"
    & skf18("7","1","9","7","5","6","1") = "8"
    & skf18("7","1","9","7","5","7","1") = "8"
    & skf18("7","1","9","7","5","8","1") = "8"
    & skf18("7","1","9","7","5","9","1") = "8"
    & skf18("7","1","9","7","5","10","1") = "9"
    & skf18("7","1","9","7","6","1","1") = "8"
    & skf18("7","1","9","7","6","2","1") = "8"
    & skf18("7","1","9","7","6","3","1") = "8"
    & skf18("7","1","9","7","6","4","1") = "8"
    & skf18("7","1","9","7","6","5","1") = "8"
    & skf18("7","1","9","7","6","6","1") = "8"
    & skf18("7","1","9","7","6","7","1") = "8"
    & skf18("7","1","9","7","6","8","1") = "8"
    & skf18("7","1","9","7","6","9","1") = "8"
    & skf18("7","1","9","7","6","10","1") = "9"
    & skf18("7","1","9","7","7","1","1") = "8"
    & skf18("7","1","9","7","7","2","1") = "8"
    & skf18("7","1","9","7","7","3","1") = "8"
    & skf18("7","1","9","7","7","4","1") = "8"
    & skf18("7","1","9","7","7","5","1") = "8"
    & skf18("7","1","9","7","7","6","1") = "8"
    & skf18("7","1","9","7","7","7","1") = "8"
    & skf18("7","1","9","7","7","8","1") = "8"
    & skf18("7","1","9","7","7","9","1") = "8"
    & skf18("7","1","9","7","7","10","1") = "9"
    & skf18("7","1","9","7","8","1","1") = "8"
    & skf18("7","1","9","7","8","2","1") = "8"
    & skf18("7","1","9","7","8","3","1") = "8"
    & skf18("7","1","9","7","8","4","1") = "8"
    & skf18("7","1","9","7","8","5","1") = "8"
    & skf18("7","1","9","7","8","6","1") = "8"
    & skf18("7","1","9","7","8","7","1") = "8"
    & skf18("7","1","9","7","8","8","1") = "8"
    & skf18("7","1","9","7","8","9","1") = "8"
    & skf18("7","1","9","7","8","10","1") = "9"
    & skf18("7","1","9","7","9","1","1") = "8"
    & skf18("7","1","9","7","9","2","1") = "8"
    & skf18("7","1","9","7","9","3","1") = "8"
    & skf18("7","1","9","7","9","4","1") = "8"
    & skf18("7","1","9","7","9","5","1") = "8"
    & skf18("7","1","9","7","9","6","1") = "8"
    & skf18("7","1","9","7","9","7","1") = "8"
    & skf18("7","1","9","7","9","8","1") = "8"
    & skf18("7","1","9","7","9","9","1") = "8"
    & skf18("7","1","9","7","9","10","1") = "9"
    & skf18("7","1","9","7","10","1","1") = "9"
    & skf18("7","1","9","7","10","2","1") = "9"
    & skf18("7","1","9","7","10","3","1") = "9"
    & skf18("7","1","9","7","10","4","1") = "9"
    & skf18("7","1","9","7","10","5","1") = "9"
    & skf18("7","1","9","7","10","6","1") = "9"
    & skf18("7","1","9","7","10","7","1") = "9"
    & skf18("7","1","9","7","10","8","1") = "9"
    & skf18("7","1","9","7","10","9","1") = "9"
    & skf18("7","1","9","7","10","10","1") = "9"
    & skf18("7","1","9","8","1","1","1") = "8"
    & skf18("7","1","9","8","1","2","1") = "8"
    & skf18("7","1","9","8","1","3","1") = "8"
    & skf18("7","1","9","8","1","4","1") = "8"
    & skf18("7","1","9","8","1","5","1") = "8"
    & skf18("7","1","9","8","1","6","1") = "8"
    & skf18("7","1","9","8","1","7","1") = "8"
    & skf18("7","1","9","8","1","8","1") = "8"
    & skf18("7","1","9","8","1","9","1") = "8"
    & skf18("7","1","9","8","1","10","1") = "9"
    & skf18("7","1","9","8","2","1","1") = "8"
    & skf18("7","1","9","8","2","2","1") = "8"
    & skf18("7","1","9","8","2","3","1") = "8"
    & skf18("7","1","9","8","2","4","1") = "8"
    & skf18("7","1","9","8","2","5","1") = "8"
    & skf18("7","1","9","8","2","6","1") = "8"
    & skf18("7","1","9","8","2","7","1") = "8"
    & skf18("7","1","9","8","2","8","1") = "8"
    & skf18("7","1","9","8","2","9","1") = "8"
    & skf18("7","1","9","8","2","10","1") = "9"
    & skf18("7","1","9","8","3","1","1") = "8"
    & skf18("7","1","9","8","3","2","1") = "8"
    & skf18("7","1","9","8","3","3","1") = "8"
    & skf18("7","1","9","8","3","4","1") = "8"
    & skf18("7","1","9","8","3","5","1") = "8"
    & skf18("7","1","9","8","3","6","1") = "8"
    & skf18("7","1","9","8","3","7","1") = "8"
    & skf18("7","1","9","8","3","8","1") = "8"
    & skf18("7","1","9","8","3","9","1") = "8"
    & skf18("7","1","9","8","3","10","1") = "9"
    & skf18("7","1","9","8","4","1","1") = "8"
    & skf18("7","1","9","8","4","2","1") = "8"
    & skf18("7","1","9","8","4","3","1") = "8"
    & skf18("7","1","9","8","4","4","1") = "8"
    & skf18("7","1","9","8","4","5","1") = "8"
    & skf18("7","1","9","8","4","6","1") = "8"
    & skf18("7","1","9","8","4","7","1") = "8"
    & skf18("7","1","9","8","4","8","1") = "8"
    & skf18("7","1","9","8","4","9","1") = "8"
    & skf18("7","1","9","8","4","10","1") = "9"
    & skf18("7","1","9","8","5","1","1") = "8"
    & skf18("7","1","9","8","5","2","1") = "8"
    & skf18("7","1","9","8","5","3","1") = "8"
    & skf18("7","1","9","8","5","4","1") = "8"
    & skf18("7","1","9","8","5","5","1") = "8"
    & skf18("7","1","9","8","5","6","1") = "8"
    & skf18("7","1","9","8","5","7","1") = "8"
    & skf18("7","1","9","8","5","8","1") = "8"
    & skf18("7","1","9","8","5","9","1") = "8"
    & skf18("7","1","9","8","5","10","1") = "9"
    & skf18("7","1","9","8","6","1","1") = "8"
    & skf18("7","1","9","8","6","2","1") = "8"
    & skf18("7","1","9","8","6","3","1") = "8"
    & skf18("7","1","9","8","6","4","1") = "8"
    & skf18("7","1","9","8","6","5","1") = "8"
    & skf18("7","1","9","8","6","6","1") = "8"
    & skf18("7","1","9","8","6","7","1") = "8"
    & skf18("7","1","9","8","6","8","1") = "8"
    & skf18("7","1","9","8","6","9","1") = "8"
    & skf18("7","1","9","8","6","10","1") = "9"
    & skf18("7","1","9","8","7","1","1") = "8"
    & skf18("7","1","9","8","7","2","1") = "8"
    & skf18("7","1","9","8","7","3","1") = "8"
    & skf18("7","1","9","8","7","4","1") = "8"
    & skf18("7","1","9","8","7","5","1") = "8"
    & skf18("7","1","9","8","7","6","1") = "8"
    & skf18("7","1","9","8","7","7","1") = "8"
    & skf18("7","1","9","8","7","8","1") = "8"
    & skf18("7","1","9","8","7","9","1") = "8"
    & skf18("7","1","9","8","7","10","1") = "9"
    & skf18("7","1","9","8","8","1","1") = "8"
    & skf18("7","1","9","8","8","2","1") = "8"
    & skf18("7","1","9","8","8","3","1") = "8"
    & skf18("7","1","9","8","8","4","1") = "8"
    & skf18("7","1","9","8","8","5","1") = "8"
    & skf18("7","1","9","8","8","6","1") = "8"
    & skf18("7","1","9","8","8","7","1") = "8"
    & skf18("7","1","9","8","8","8","1") = "8"
    & skf18("7","1","9","8","8","9","1") = "8"
    & skf18("7","1","9","8","8","10","1") = "9"
    & skf18("7","1","9","8","9","1","1") = "8"
    & skf18("7","1","9","8","9","2","1") = "8"
    & skf18("7","1","9","8","9","3","1") = "8"
    & skf18("7","1","9","8","9","4","1") = "8"
    & skf18("7","1","9","8","9","5","1") = "8"
    & skf18("7","1","9","8","9","6","1") = "8"
    & skf18("7","1","9","8","9","7","1") = "8"
    & skf18("7","1","9","8","9","8","1") = "8"
    & skf18("7","1","9","8","9","9","1") = "8"
    & skf18("7","1","9","8","9","10","1") = "9"
    & skf18("7","1","9","8","10","1","1") = "9"
    & skf18("7","1","9","8","10","2","1") = "9"
    & skf18("7","1","9","8","10","3","1") = "9"
    & skf18("7","1","9","8","10","4","1") = "9"
    & skf18("7","1","9","8","10","5","1") = "9"
    & skf18("7","1","9","8","10","6","1") = "9"
    & skf18("7","1","9","8","10","7","1") = "9"
    & skf18("7","1","9","8","10","8","1") = "9"
    & skf18("7","1","9","8","10","9","1") = "9"
    & skf18("7","1","9","8","10","10","1") = "9"
    & skf18("7","1","9","9","1","1","1") = "8"
    & skf18("7","1","9","9","1","2","1") = "8"
    & skf18("7","1","9","9","1","3","1") = "8"
    & skf18("7","1","9","9","1","4","1") = "8"
    & skf18("7","1","9","9","1","5","1") = "8"
    & skf18("7","1","9","9","1","6","1") = "8"
    & skf18("7","1","9","9","1","7","1") = "8"
    & skf18("7","1","9","9","1","8","1") = "8"
    & skf18("7","1","9","9","1","9","1") = "8"
    & skf18("7","1","9","9","1","10","1") = "9"
    & skf18("7","1","9","9","2","1","1") = "8"
    & skf18("7","1","9","9","2","2","1") = "8"
    & skf18("7","1","9","9","2","3","1") = "8"
    & skf18("7","1","9","9","2","4","1") = "8"
    & skf18("7","1","9","9","2","5","1") = "8"
    & skf18("7","1","9","9","2","6","1") = "8"
    & skf18("7","1","9","9","2","7","1") = "8"
    & skf18("7","1","9","9","2","8","1") = "8"
    & skf18("7","1","9","9","2","9","1") = "8"
    & skf18("7","1","9","9","2","10","1") = "9"
    & skf18("7","1","9","9","3","1","1") = "8"
    & skf18("7","1","9","9","3","2","1") = "8"
    & skf18("7","1","9","9","3","3","1") = "8"
    & skf18("7","1","9","9","3","4","1") = "8"
    & skf18("7","1","9","9","3","5","1") = "8"
    & skf18("7","1","9","9","3","6","1") = "8"
    & skf18("7","1","9","9","3","7","1") = "8"
    & skf18("7","1","9","9","3","8","1") = "8"
    & skf18("7","1","9","9","3","9","1") = "8"
    & skf18("7","1","9","9","3","10","1") = "9"
    & skf18("7","1","9","9","4","1","1") = "8"
    & skf18("7","1","9","9","4","2","1") = "8"
    & skf18("7","1","9","9","4","3","1") = "8"
    & skf18("7","1","9","9","4","4","1") = "8"
    & skf18("7","1","9","9","4","5","1") = "8"
    & skf18("7","1","9","9","4","6","1") = "8"
    & skf18("7","1","9","9","4","7","1") = "8"
    & skf18("7","1","9","9","4","8","1") = "8"
    & skf18("7","1","9","9","4","9","1") = "8"
    & skf18("7","1","9","9","4","10","1") = "9"
    & skf18("7","1","9","9","5","1","1") = "8"
    & skf18("7","1","9","9","5","2","1") = "8"
    & skf18("7","1","9","9","5","3","1") = "8"
    & skf18("7","1","9","9","5","4","1") = "8"
    & skf18("7","1","9","9","5","5","1") = "8"
    & skf18("7","1","9","9","5","6","1") = "8"
    & skf18("7","1","9","9","5","7","1") = "8"
    & skf18("7","1","9","9","5","8","1") = "8"
    & skf18("7","1","9","9","5","9","1") = "8"
    & skf18("7","1","9","9","5","10","1") = "9"
    & skf18("7","1","9","9","6","1","1") = "8"
    & skf18("7","1","9","9","6","2","1") = "8"
    & skf18("7","1","9","9","6","3","1") = "8"
    & skf18("7","1","9","9","6","4","1") = "8"
    & skf18("7","1","9","9","6","5","1") = "8"
    & skf18("7","1","9","9","6","6","1") = "8"
    & skf18("7","1","9","9","6","7","1") = "8"
    & skf18("7","1","9","9","6","8","1") = "8"
    & skf18("7","1","9","9","6","9","1") = "8"
    & skf18("7","1","9","9","6","10","1") = "9"
    & skf18("7","1","9","9","7","1","1") = "8"
    & skf18("7","1","9","9","7","2","1") = "8"
    & skf18("7","1","9","9","7","3","1") = "8"
    & skf18("7","1","9","9","7","4","1") = "8"
    & skf18("7","1","9","9","7","5","1") = "8"
    & skf18("7","1","9","9","7","6","1") = "8"
    & skf18("7","1","9","9","7","7","1") = "8"
    & skf18("7","1","9","9","7","8","1") = "8"
    & skf18("7","1","9","9","7","9","1") = "8"
    & skf18("7","1","9","9","7","10","1") = "9"
    & skf18("7","1","9","9","8","1","1") = "8"
    & skf18("7","1","9","9","8","2","1") = "8"
    & skf18("7","1","9","9","8","3","1") = "8"
    & skf18("7","1","9","9","8","4","1") = "8"
    & skf18("7","1","9","9","8","5","1") = "8"
    & skf18("7","1","9","9","8","6","1") = "8"
    & skf18("7","1","9","9","8","7","1") = "8"
    & skf18("7","1","9","9","8","8","1") = "8"
    & skf18("7","1","9","9","8","9","1") = "8"
    & skf18("7","1","9","9","8","10","1") = "9"
    & skf18("7","1","9","9","9","1","1") = "8"
    & skf18("7","1","9","9","9","2","1") = "8"
    & skf18("7","1","9","9","9","3","1") = "8"
    & skf18("7","1","9","9","9","4","1") = "8"
    & skf18("7","1","9","9","9","5","1") = "8"
    & skf18("7","1","9","9","9","6","1") = "8"
    & skf18("7","1","9","9","9","7","1") = "8"
    & skf18("7","1","9","9","9","8","1") = "8"
    & skf18("7","1","9","9","9","9","1") = "8"
    & skf18("7","1","9","9","9","10","1") = "9"
    & skf18("7","1","9","9","10","1","1") = "9"
    & skf18("7","1","9","9","10","2","1") = "9"
    & skf18("7","1","9","9","10","3","1") = "9"
    & skf18("7","1","9","9","10","4","1") = "9"
    & skf18("7","1","9","9","10","5","1") = "9"
    & skf18("7","1","9","9","10","6","1") = "9"
    & skf18("7","1","9","9","10","7","1") = "9"
    & skf18("7","1","9","9","10","8","1") = "9"
    & skf18("7","1","9","9","10","9","1") = "9"
    & skf18("7","1","9","9","10","10","1") = "9"
    & skf18("7","1","9","10","1","1","1") = "9"
    & skf18("7","1","9","10","1","2","1") = "9"
    & skf18("7","1","9","10","1","3","1") = "9"
    & skf18("7","1","9","10","1","4","1") = "9"
    & skf18("7","1","9","10","1","5","1") = "9"
    & skf18("7","1","9","10","1","6","1") = "9"
    & skf18("7","1","9","10","1","7","1") = "9"
    & skf18("7","1","9","10","1","8","1") = "9"
    & skf18("7","1","9","10","1","9","1") = "9"
    & skf18("7","1","9","10","1","10","1") = "9"
    & skf18("7","1","9","10","2","1","1") = "9"
    & skf18("7","1","9","10","2","2","1") = "9"
    & skf18("7","1","9","10","2","3","1") = "9"
    & skf18("7","1","9","10","2","4","1") = "9"
    & skf18("7","1","9","10","2","5","1") = "9"
    & skf18("7","1","9","10","2","6","1") = "9"
    & skf18("7","1","9","10","2","7","1") = "9"
    & skf18("7","1","9","10","2","8","1") = "9"
    & skf18("7","1","9","10","2","9","1") = "9"
    & skf18("7","1","9","10","2","10","1") = "9"
    & skf18("7","1","9","10","3","1","1") = "9"
    & skf18("7","1","9","10","3","2","1") = "9"
    & skf18("7","1","9","10","3","3","1") = "9"
    & skf18("7","1","9","10","3","4","1") = "9"
    & skf18("7","1","9","10","3","5","1") = "9"
    & skf18("7","1","9","10","3","6","1") = "9"
    & skf18("7","1","9","10","3","7","1") = "9"
    & skf18("7","1","9","10","3","8","1") = "9"
    & skf18("7","1","9","10","3","9","1") = "9"
    & skf18("7","1","9","10","3","10","1") = "9"
    & skf18("7","1","9","10","4","1","1") = "9"
    & skf18("7","1","9","10","4","2","1") = "9"
    & skf18("7","1","9","10","4","3","1") = "9"
    & skf18("7","1","9","10","4","4","1") = "9"
    & skf18("7","1","9","10","4","5","1") = "9"
    & skf18("7","1","9","10","4","6","1") = "9"
    & skf18("7","1","9","10","4","7","1") = "9"
    & skf18("7","1","9","10","4","8","1") = "9"
    & skf18("7","1","9","10","4","9","1") = "9"
    & skf18("7","1","9","10","4","10","1") = "9"
    & skf18("7","1","9","10","5","1","1") = "9"
    & skf18("7","1","9","10","5","2","1") = "9"
    & skf18("7","1","9","10","5","3","1") = "9"
    & skf18("7","1","9","10","5","4","1") = "9"
    & skf18("7","1","9","10","5","5","1") = "9"
    & skf18("7","1","9","10","5","6","1") = "9"
    & skf18("7","1","9","10","5","7","1") = "9"
    & skf18("7","1","9","10","5","8","1") = "9"
    & skf18("7","1","9","10","5","9","1") = "9"
    & skf18("7","1","9","10","5","10","1") = "9"
    & skf18("7","1","9","10","6","1","1") = "9"
    & skf18("7","1","9","10","6","2","1") = "9"
    & skf18("7","1","9","10","6","3","1") = "9"
    & skf18("7","1","9","10","6","4","1") = "9"
    & skf18("7","1","9","10","6","5","1") = "9"
    & skf18("7","1","9","10","6","6","1") = "9"
    & skf18("7","1","9","10","6","7","1") = "9"
    & skf18("7","1","9","10","6","8","1") = "9"
    & skf18("7","1","9","10","6","9","1") = "9"
    & skf18("7","1","9","10","6","10","1") = "9"
    & skf18("7","1","9","10","7","1","1") = "9"
    & skf18("7","1","9","10","7","2","1") = "9"
    & skf18("7","1","9","10","7","3","1") = "9"
    & skf18("7","1","9","10","7","4","1") = "9"
    & skf18("7","1","9","10","7","5","1") = "9"
    & skf18("7","1","9","10","7","6","1") = "9"
    & skf18("7","1","9","10","7","7","1") = "9"
    & skf18("7","1","9","10","7","8","1") = "9"
    & skf18("7","1","9","10","7","9","1") = "9"
    & skf18("7","1","9","10","7","10","1") = "9"
    & skf18("7","1","9","10","8","1","1") = "9"
    & skf18("7","1","9","10","8","2","1") = "9"
    & skf18("7","1","9","10","8","3","1") = "9"
    & skf18("7","1","9","10","8","4","1") = "9"
    & skf18("7","1","9","10","8","5","1") = "9"
    & skf18("7","1","9","10","8","6","1") = "9"
    & skf18("7","1","9","10","8","7","1") = "9"
    & skf18("7","1","9","10","8","8","1") = "9"
    & skf18("7","1","9","10","8","9","1") = "9"
    & skf18("7","1","9","10","8","10","1") = "9"
    & skf18("7","1","9","10","9","1","1") = "9"
    & skf18("7","1","9","10","9","2","1") = "9"
    & skf18("7","1","9","10","9","3","1") = "9"
    & skf18("7","1","9","10","9","4","1") = "9"
    & skf18("7","1","9","10","9","5","1") = "9"
    & skf18("7","1","9","10","9","6","1") = "9"
    & skf18("7","1","9","10","9","7","1") = "9"
    & skf18("7","1","9","10","9","8","1") = "9"
    & skf18("7","1","9","10","9","9","1") = "9"
    & skf18("7","1","9","10","9","10","1") = "9"
    & skf18("7","1","9","10","10","1","1") = "9"
    & skf18("7","1","9","10","10","2","1") = "9"
    & skf18("7","1","9","10","10","3","1") = "9"
    & skf18("7","1","9","10","10","4","1") = "9"
    & skf18("7","1","9","10","10","5","1") = "9"
    & skf18("7","1","9","10","10","6","1") = "9"
    & skf18("7","1","9","10","10","7","1") = "9"
    & skf18("7","1","9","10","10","8","1") = "9"
    & skf18("7","1","9","10","10","9","1") = "9"
    & skf18("7","1","9","10","10","10","1") = "9"
    & skf18("7","1","10","1","1","1","1") = "9"
    & skf18("7","1","10","1","1","2","1") = "9"
    & skf18("7","1","10","1","1","3","1") = "9"
    & skf18("7","1","10","1","1","4","1") = "9"
    & skf18("7","1","10","1","1","5","1") = "9"
    & skf18("7","1","10","1","1","6","1") = "9"
    & skf18("7","1","10","1","1","7","1") = "9"
    & skf18("7","1","10","1","1","8","1") = "9"
    & skf18("7","1","10","1","1","9","1") = "9"
    & skf18("7","1","10","1","1","10","1") = "9"
    & skf18("7","1","10","1","2","1","1") = "9"
    & skf18("7","1","10","1","2","2","1") = "9"
    & skf18("7","1","10","1","2","3","1") = "9"
    & skf18("7","1","10","1","2","4","1") = "9"
    & skf18("7","1","10","1","2","5","1") = "9"
    & skf18("7","1","10","1","2","6","1") = "9"
    & skf18("7","1","10","1","2","7","1") = "9"
    & skf18("7","1","10","1","2","8","1") = "9"
    & skf18("7","1","10","1","2","9","1") = "9"
    & skf18("7","1","10","1","2","10","1") = "9"
    & skf18("7","1","10","1","3","1","1") = "9"
    & skf18("7","1","10","1","3","2","1") = "9"
    & skf18("7","1","10","1","3","3","1") = "9"
    & skf18("7","1","10","1","3","4","1") = "9"
    & skf18("7","1","10","1","3","5","1") = "9"
    & skf18("7","1","10","1","3","6","1") = "9"
    & skf18("7","1","10","1","3","7","1") = "9"
    & skf18("7","1","10","1","3","8","1") = "9"
    & skf18("7","1","10","1","3","9","1") = "9"
    & skf18("7","1","10","1","3","10","1") = "9"
    & skf18("7","1","10","1","4","1","1") = "9"
    & skf18("7","1","10","1","4","2","1") = "9"
    & skf18("7","1","10","1","4","3","1") = "9"
    & skf18("7","1","10","1","4","4","1") = "9"
    & skf18("7","1","10","1","4","5","1") = "9"
    & skf18("7","1","10","1","4","6","1") = "9"
    & skf18("7","1","10","1","4","7","1") = "9"
    & skf18("7","1","10","1","4","8","1") = "9"
    & skf18("7","1","10","1","4","9","1") = "9"
    & skf18("7","1","10","1","4","10","1") = "9"
    & skf18("7","1","10","1","5","1","1") = "9"
    & skf18("7","1","10","1","5","2","1") = "9"
    & skf18("7","1","10","1","5","3","1") = "9"
    & skf18("7","1","10","1","5","4","1") = "9"
    & skf18("7","1","10","1","5","5","1") = "9"
    & skf18("7","1","10","1","5","6","1") = "9"
    & skf18("7","1","10","1","5","7","1") = "9"
    & skf18("7","1","10","1","5","8","1") = "9"
    & skf18("7","1","10","1","5","9","1") = "9"
    & skf18("7","1","10","1","5","10","1") = "9"
    & skf18("7","1","10","1","6","1","1") = "9"
    & skf18("7","1","10","1","6","2","1") = "9"
    & skf18("7","1","10","1","6","3","1") = "9"
    & skf18("7","1","10","1","6","4","1") = "9"
    & skf18("7","1","10","1","6","5","1") = "9"
    & skf18("7","1","10","1","6","6","1") = "9"
    & skf18("7","1","10","1","6","7","1") = "9"
    & skf18("7","1","10","1","6","8","1") = "9"
    & skf18("7","1","10","1","6","9","1") = "9"
    & skf18("7","1","10","1","6","10","1") = "9"
    & skf18("7","1","10","1","7","1","1") = "9"
    & skf18("7","1","10","1","7","2","1") = "9"
    & skf18("7","1","10","1","7","3","1") = "9"
    & skf18("7","1","10","1","7","4","1") = "9"
    & skf18("7","1","10","1","7","5","1") = "9"
    & skf18("7","1","10","1","7","6","1") = "9"
    & skf18("7","1","10","1","7","7","1") = "9"
    & skf18("7","1","10","1","7","8","1") = "9"
    & skf18("7","1","10","1","7","9","1") = "9"
    & skf18("7","1","10","1","7","10","1") = "9"
    & skf18("7","1","10","1","8","1","1") = "9"
    & skf18("7","1","10","1","8","2","1") = "9"
    & skf18("7","1","10","1","8","3","1") = "9"
    & skf18("7","1","10","1","8","4","1") = "9"
    & skf18("7","1","10","1","8","5","1") = "9"
    & skf18("7","1","10","1","8","6","1") = "9"
    & skf18("7","1","10","1","8","7","1") = "9"
    & skf18("7","1","10","1","8","8","1") = "9"
    & skf18("7","1","10","1","8","9","1") = "9"
    & skf18("7","1","10","1","8","10","1") = "9"
    & skf18("7","1","10","1","9","1","1") = "9"
    & skf18("7","1","10","1","9","2","1") = "9"
    & skf18("7","1","10","1","9","3","1") = "9"
    & skf18("7","1","10","1","9","4","1") = "9"
    & skf18("7","1","10","1","9","5","1") = "9"
    & skf18("7","1","10","1","9","6","1") = "9"
    & skf18("7","1","10","1","9","7","1") = "9"
    & skf18("7","1","10","1","9","8","1") = "9"
    & skf18("7","1","10","1","9","9","1") = "9"
    & skf18("7","1","10","1","9","10","1") = "9"
    & skf18("7","1","10","1","10","1","1") = "9"
    & skf18("7","1","10","1","10","2","1") = "9"
    & skf18("7","1","10","1","10","3","1") = "9"
    & skf18("7","1","10","1","10","4","1") = "9"
    & skf18("7","1","10","1","10","5","1") = "9"
    & skf18("7","1","10","1","10","6","1") = "9"
    & skf18("7","1","10","1","10","7","1") = "9"
    & skf18("7","1","10","1","10","8","1") = "9"
    & skf18("7","1","10","1","10","9","1") = "9"
    & skf18("7","1","10","1","10","10","1") = "9"
    & skf18("7","1","10","2","1","1","1") = "9"
    & skf18("7","1","10","2","1","2","1") = "9"
    & skf18("7","1","10","2","1","3","1") = "9"
    & skf18("7","1","10","2","1","4","1") = "9"
    & skf18("7","1","10","2","1","5","1") = "9"
    & skf18("7","1","10","2","1","6","1") = "9"
    & skf18("7","1","10","2","1","7","1") = "9"
    & skf18("7","1","10","2","1","8","1") = "9"
    & skf18("7","1","10","2","1","9","1") = "9"
    & skf18("7","1","10","2","1","10","1") = "9"
    & skf18("7","1","10","2","2","1","1") = "9"
    & skf18("7","1","10","2","2","2","1") = "9"
    & skf18("7","1","10","2","2","3","1") = "9"
    & skf18("7","1","10","2","2","4","1") = "9"
    & skf18("7","1","10","2","2","5","1") = "9"
    & skf18("7","1","10","2","2","6","1") = "9"
    & skf18("7","1","10","2","2","7","1") = "9"
    & skf18("7","1","10","2","2","8","1") = "9"
    & skf18("7","1","10","2","2","9","1") = "9"
    & skf18("7","1","10","2","2","10","1") = "9"
    & skf18("7","1","10","2","3","1","1") = "9"
    & skf18("7","1","10","2","3","2","1") = "9"
    & skf18("7","1","10","2","3","3","1") = "9"
    & skf18("7","1","10","2","3","4","1") = "9"
    & skf18("7","1","10","2","3","5","1") = "9"
    & skf18("7","1","10","2","3","6","1") = "9"
    & skf18("7","1","10","2","3","7","1") = "9"
    & skf18("7","1","10","2","3","8","1") = "9"
    & skf18("7","1","10","2","3","9","1") = "9"
    & skf18("7","1","10","2","3","10","1") = "9"
    & skf18("7","1","10","2","4","1","1") = "9"
    & skf18("7","1","10","2","4","2","1") = "9"
    & skf18("7","1","10","2","4","3","1") = "9"
    & skf18("7","1","10","2","4","4","1") = "9"
    & skf18("7","1","10","2","4","5","1") = "9"
    & skf18("7","1","10","2","4","6","1") = "9"
    & skf18("7","1","10","2","4","7","1") = "9"
    & skf18("7","1","10","2","4","8","1") = "9"
    & skf18("7","1","10","2","4","9","1") = "9"
    & skf18("7","1","10","2","4","10","1") = "9"
    & skf18("7","1","10","2","5","1","1") = "9"
    & skf18("7","1","10","2","5","2","1") = "9"
    & skf18("7","1","10","2","5","3","1") = "9"
    & skf18("7","1","10","2","5","4","1") = "9"
    & skf18("7","1","10","2","5","5","1") = "9"
    & skf18("7","1","10","2","5","6","1") = "9"
    & skf18("7","1","10","2","5","7","1") = "9"
    & skf18("7","1","10","2","5","8","1") = "9"
    & skf18("7","1","10","2","5","9","1") = "9"
    & skf18("7","1","10","2","5","10","1") = "9"
    & skf18("7","1","10","2","6","1","1") = "9"
    & skf18("7","1","10","2","6","2","1") = "9"
    & skf18("7","1","10","2","6","3","1") = "9"
    & skf18("7","1","10","2","6","4","1") = "9"
    & skf18("7","1","10","2","6","5","1") = "9"
    & skf18("7","1","10","2","6","6","1") = "9"
    & skf18("7","1","10","2","6","7","1") = "9"
    & skf18("7","1","10","2","6","8","1") = "9"
    & skf18("7","1","10","2","6","9","1") = "9"
    & skf18("7","1","10","2","6","10","1") = "9"
    & skf18("7","1","10","2","7","1","1") = "9"
    & skf18("7","1","10","2","7","2","1") = "9"
    & skf18("7","1","10","2","7","3","1") = "9"
    & skf18("7","1","10","2","7","4","1") = "9"
    & skf18("7","1","10","2","7","5","1") = "9"
    & skf18("7","1","10","2","7","6","1") = "9"
    & skf18("7","1","10","2","7","7","1") = "9"
    & skf18("7","1","10","2","7","8","1") = "9"
    & skf18("7","1","10","2","7","9","1") = "9"
    & skf18("7","1","10","2","7","10","1") = "9"
    & skf18("7","1","10","2","8","1","1") = "9"
    & skf18("7","1","10","2","8","2","1") = "9"
    & skf18("7","1","10","2","8","3","1") = "9"
    & skf18("7","1","10","2","8","4","1") = "9"
    & skf18("7","1","10","2","8","5","1") = "9"
    & skf18("7","1","10","2","8","6","1") = "9"
    & skf18("7","1","10","2","8","7","1") = "9"
    & skf18("7","1","10","2","8","8","1") = "9"
    & skf18("7","1","10","2","8","9","1") = "9"
    & skf18("7","1","10","2","8","10","1") = "9"
    & skf18("7","1","10","2","9","1","1") = "9"
    & skf18("7","1","10","2","9","2","1") = "9"
    & skf18("7","1","10","2","9","3","1") = "9"
    & skf18("7","1","10","2","9","4","1") = "9"
    & skf18("7","1","10","2","9","5","1") = "9"
    & skf18("7","1","10","2","9","6","1") = "9"
    & skf18("7","1","10","2","9","7","1") = "9"
    & skf18("7","1","10","2","9","8","1") = "9"
    & skf18("7","1","10","2","9","9","1") = "9"
    & skf18("7","1","10","2","9","10","1") = "9"
    & skf18("7","1","10","2","10","1","1") = "9"
    & skf18("7","1","10","2","10","2","1") = "9"
    & skf18("7","1","10","2","10","3","1") = "9"
    & skf18("7","1","10","2","10","4","1") = "9"
    & skf18("7","1","10","2","10","5","1") = "9"
    & skf18("7","1","10","2","10","6","1") = "9"
    & skf18("7","1","10","2","10","7","1") = "9"
    & skf18("7","1","10","2","10","8","1") = "9"
    & skf18("7","1","10","2","10","9","1") = "9"
    & skf18("7","1","10","2","10","10","1") = "9"
    & skf18("7","1","10","3","1","1","1") = "9"
    & skf18("7","1","10","3","1","2","1") = "9"
    & skf18("7","1","10","3","1","3","1") = "9"
    & skf18("7","1","10","3","1","4","1") = "9"
    & skf18("7","1","10","3","1","5","1") = "9"
    & skf18("7","1","10","3","1","6","1") = "9"
    & skf18("7","1","10","3","1","7","1") = "9"
    & skf18("7","1","10","3","1","8","1") = "9"
    & skf18("7","1","10","3","1","9","1") = "9"
    & skf18("7","1","10","3","1","10","1") = "9"
    & skf18("7","1","10","3","2","1","1") = "9"
    & skf18("7","1","10","3","2","2","1") = "9"
    & skf18("7","1","10","3","2","3","1") = "9"
    & skf18("7","1","10","3","2","4","1") = "9"
    & skf18("7","1","10","3","2","5","1") = "9"
    & skf18("7","1","10","3","2","6","1") = "9"
    & skf18("7","1","10","3","2","7","1") = "9"
    & skf18("7","1","10","3","2","8","1") = "9"
    & skf18("7","1","10","3","2","9","1") = "9"
    & skf18("7","1","10","3","2","10","1") = "9"
    & skf18("7","1","10","3","3","1","1") = "9"
    & skf18("7","1","10","3","3","2","1") = "9"
    & skf18("7","1","10","3","3","3","1") = "9"
    & skf18("7","1","10","3","3","4","1") = "9"
    & skf18("7","1","10","3","3","5","1") = "9"
    & skf18("7","1","10","3","3","6","1") = "9"
    & skf18("7","1","10","3","3","7","1") = "9"
    & skf18("7","1","10","3","3","8","1") = "9"
    & skf18("7","1","10","3","3","9","1") = "9"
    & skf18("7","1","10","3","3","10","1") = "9"
    & skf18("7","1","10","3","4","1","1") = "9"
    & skf18("7","1","10","3","4","2","1") = "9"
    & skf18("7","1","10","3","4","3","1") = "9"
    & skf18("7","1","10","3","4","4","1") = "9"
    & skf18("7","1","10","3","4","5","1") = "9"
    & skf18("7","1","10","3","4","6","1") = "9"
    & skf18("7","1","10","3","4","7","1") = "9"
    & skf18("7","1","10","3","4","8","1") = "9"
    & skf18("7","1","10","3","4","9","1") = "9"
    & skf18("7","1","10","3","4","10","1") = "9"
    & skf18("7","1","10","3","5","1","1") = "9"
    & skf18("7","1","10","3","5","2","1") = "9"
    & skf18("7","1","10","3","5","3","1") = "9"
    & skf18("7","1","10","3","5","4","1") = "9"
    & skf18("7","1","10","3","5","5","1") = "9"
    & skf18("7","1","10","3","5","6","1") = "9"
    & skf18("7","1","10","3","5","7","1") = "9"
    & skf18("7","1","10","3","5","8","1") = "9"
    & skf18("7","1","10","3","5","9","1") = "9"
    & skf18("7","1","10","3","5","10","1") = "9"
    & skf18("7","1","10","3","6","1","1") = "9"
    & skf18("7","1","10","3","6","2","1") = "9"
    & skf18("7","1","10","3","6","3","1") = "9"
    & skf18("7","1","10","3","6","4","1") = "9"
    & skf18("7","1","10","3","6","5","1") = "9"
    & skf18("7","1","10","3","6","6","1") = "9"
    & skf18("7","1","10","3","6","7","1") = "9"
    & skf18("7","1","10","3","6","8","1") = "9"
    & skf18("7","1","10","3","6","9","1") = "9"
    & skf18("7","1","10","3","6","10","1") = "9"
    & skf18("7","1","10","3","7","1","1") = "9"
    & skf18("7","1","10","3","7","2","1") = "9"
    & skf18("7","1","10","3","7","3","1") = "9"
    & skf18("7","1","10","3","7","4","1") = "9"
    & skf18("7","1","10","3","7","5","1") = "9"
    & skf18("7","1","10","3","7","6","1") = "9"
    & skf18("7","1","10","3","7","7","1") = "9"
    & skf18("7","1","10","3","7","8","1") = "9"
    & skf18("7","1","10","3","7","9","1") = "9"
    & skf18("7","1","10","3","7","10","1") = "9"
    & skf18("7","1","10","3","8","1","1") = "9"
    & skf18("7","1","10","3","8","2","1") = "9"
    & skf18("7","1","10","3","8","3","1") = "9"
    & skf18("7","1","10","3","8","4","1") = "9"
    & skf18("7","1","10","3","8","5","1") = "9"
    & skf18("7","1","10","3","8","6","1") = "9"
    & skf18("7","1","10","3","8","7","1") = "9"
    & skf18("7","1","10","3","8","8","1") = "9"
    & skf18("7","1","10","3","8","9","1") = "9"
    & skf18("7","1","10","3","8","10","1") = "9"
    & skf18("7","1","10","3","9","1","1") = "9"
    & skf18("7","1","10","3","9","2","1") = "9"
    & skf18("7","1","10","3","9","3","1") = "9"
    & skf18("7","1","10","3","9","4","1") = "9"
    & skf18("7","1","10","3","9","5","1") = "9"
    & skf18("7","1","10","3","9","6","1") = "9"
    & skf18("7","1","10","3","9","7","1") = "9"
    & skf18("7","1","10","3","9","8","1") = "9"
    & skf18("7","1","10","3","9","9","1") = "9"
    & skf18("7","1","10","3","9","10","1") = "9"
    & skf18("7","1","10","3","10","1","1") = "9"
    & skf18("7","1","10","3","10","2","1") = "9"
    & skf18("7","1","10","3","10","3","1") = "9"
    & skf18("7","1","10","3","10","4","1") = "9"
    & skf18("7","1","10","3","10","5","1") = "9"
    & skf18("7","1","10","3","10","6","1") = "9"
    & skf18("7","1","10","3","10","7","1") = "9"
    & skf18("7","1","10","3","10","8","1") = "9"
    & skf18("7","1","10","3","10","9","1") = "9"
    & skf18("7","1","10","3","10","10","1") = "9"
    & skf18("7","1","10","4","1","1","1") = "9"
    & skf18("7","1","10","4","1","2","1") = "9"
    & skf18("7","1","10","4","1","3","1") = "9"
    & skf18("7","1","10","4","1","4","1") = "9"
    & skf18("7","1","10","4","1","5","1") = "9"
    & skf18("7","1","10","4","1","6","1") = "9"
    & skf18("7","1","10","4","1","7","1") = "9"
    & skf18("7","1","10","4","1","8","1") = "9"
    & skf18("7","1","10","4","1","9","1") = "9"
    & skf18("7","1","10","4","1","10","1") = "9"
    & skf18("7","1","10","4","2","1","1") = "9"
    & skf18("7","1","10","4","2","2","1") = "9"
    & skf18("7","1","10","4","2","3","1") = "9"
    & skf18("7","1","10","4","2","4","1") = "9"
    & skf18("7","1","10","4","2","5","1") = "9"
    & skf18("7","1","10","4","2","6","1") = "9"
    & skf18("7","1","10","4","2","7","1") = "9"
    & skf18("7","1","10","4","2","8","1") = "9"
    & skf18("7","1","10","4","2","9","1") = "9"
    & skf18("7","1","10","4","2","10","1") = "9"
    & skf18("7","1","10","4","3","1","1") = "9"
    & skf18("7","1","10","4","3","2","1") = "9"
    & skf18("7","1","10","4","3","3","1") = "9"
    & skf18("7","1","10","4","3","4","1") = "9"
    & skf18("7","1","10","4","3","5","1") = "9"
    & skf18("7","1","10","4","3","6","1") = "9"
    & skf18("7","1","10","4","3","7","1") = "9"
    & skf18("7","1","10","4","3","8","1") = "9"
    & skf18("7","1","10","4","3","9","1") = "9"
    & skf18("7","1","10","4","3","10","1") = "9"
    & skf18("7","1","10","4","4","1","1") = "9"
    & skf18("7","1","10","4","4","2","1") = "9"
    & skf18("7","1","10","4","4","3","1") = "9"
    & skf18("7","1","10","4","4","4","1") = "9"
    & skf18("7","1","10","4","4","5","1") = "9"
    & skf18("7","1","10","4","4","6","1") = "9"
    & skf18("7","1","10","4","4","7","1") = "9"
    & skf18("7","1","10","4","4","8","1") = "9"
    & skf18("7","1","10","4","4","9","1") = "9"
    & skf18("7","1","10","4","4","10","1") = "9"
    & skf18("7","1","10","4","5","1","1") = "9"
    & skf18("7","1","10","4","5","2","1") = "9"
    & skf18("7","1","10","4","5","3","1") = "9"
    & skf18("7","1","10","4","5","4","1") = "9"
    & skf18("7","1","10","4","5","5","1") = "9"
    & skf18("7","1","10","4","5","6","1") = "9"
    & skf18("7","1","10","4","5","7","1") = "9"
    & skf18("7","1","10","4","5","8","1") = "9"
    & skf18("7","1","10","4","5","9","1") = "9"
    & skf18("7","1","10","4","5","10","1") = "9"
    & skf18("7","1","10","4","6","1","1") = "9"
    & skf18("7","1","10","4","6","2","1") = "9"
    & skf18("7","1","10","4","6","3","1") = "9"
    & skf18("7","1","10","4","6","4","1") = "9"
    & skf18("7","1","10","4","6","5","1") = "9"
    & skf18("7","1","10","4","6","6","1") = "9"
    & skf18("7","1","10","4","6","7","1") = "9"
    & skf18("7","1","10","4","6","8","1") = "9"
    & skf18("7","1","10","4","6","9","1") = "9"
    & skf18("7","1","10","4","6","10","1") = "9"
    & skf18("7","1","10","4","7","1","1") = "9"
    & skf18("7","1","10","4","7","2","1") = "9"
    & skf18("7","1","10","4","7","3","1") = "9"
    & skf18("7","1","10","4","7","4","1") = "9"
    & skf18("7","1","10","4","7","5","1") = "9"
    & skf18("7","1","10","4","7","6","1") = "9"
    & skf18("7","1","10","4","7","7","1") = "9"
    & skf18("7","1","10","4","7","8","1") = "9"
    & skf18("7","1","10","4","7","9","1") = "9"
    & skf18("7","1","10","4","7","10","1") = "9"
    & skf18("7","1","10","4","8","1","1") = "9"
    & skf18("7","1","10","4","8","2","1") = "9"
    & skf18("7","1","10","4","8","3","1") = "9"
    & skf18("7","1","10","4","8","4","1") = "9"
    & skf18("7","1","10","4","8","5","1") = "9"
    & skf18("7","1","10","4","8","6","1") = "9"
    & skf18("7","1","10","4","8","7","1") = "9"
    & skf18("7","1","10","4","8","8","1") = "9"
    & skf18("7","1","10","4","8","9","1") = "9"
    & skf18("7","1","10","4","8","10","1") = "9"
    & skf18("7","1","10","4","9","1","1") = "9"
    & skf18("7","1","10","4","9","2","1") = "9"
    & skf18("7","1","10","4","9","3","1") = "9"
    & skf18("7","1","10","4","9","4","1") = "9"
    & skf18("7","1","10","4","9","5","1") = "9"
    & skf18("7","1","10","4","9","6","1") = "9"
    & skf18("7","1","10","4","9","7","1") = "9"
    & skf18("7","1","10","4","9","8","1") = "9"
    & skf18("7","1","10","4","9","9","1") = "9"
    & skf18("7","1","10","4","9","10","1") = "9"
    & skf18("7","1","10","4","10","1","1") = "9"
    & skf18("7","1","10","4","10","2","1") = "9"
    & skf18("7","1","10","4","10","3","1") = "9"
    & skf18("7","1","10","4","10","4","1") = "9"
    & skf18("7","1","10","4","10","5","1") = "9"
    & skf18("7","1","10","4","10","6","1") = "9"
    & skf18("7","1","10","4","10","7","1") = "9"
    & skf18("7","1","10","4","10","8","1") = "9"
    & skf18("7","1","10","4","10","9","1") = "9"
    & skf18("7","1","10","4","10","10","1") = "9"
    & skf18("7","1","10","5","1","1","1") = "9"
    & skf18("7","1","10","5","1","2","1") = "9"
    & skf18("7","1","10","5","1","3","1") = "9"
    & skf18("7","1","10","5","1","4","1") = "9"
    & skf18("7","1","10","5","1","5","1") = "9"
    & skf18("7","1","10","5","1","6","1") = "9"
    & skf18("7","1","10","5","1","7","1") = "9"
    & skf18("7","1","10","5","1","8","1") = "9"
    & skf18("7","1","10","5","1","9","1") = "9"
    & skf18("7","1","10","5","1","10","1") = "9"
    & skf18("7","1","10","5","2","1","1") = "9"
    & skf18("7","1","10","5","2","2","1") = "9"
    & skf18("7","1","10","5","2","3","1") = "9"
    & skf18("7","1","10","5","2","4","1") = "9"
    & skf18("7","1","10","5","2","5","1") = "9"
    & skf18("7","1","10","5","2","6","1") = "9"
    & skf18("7","1","10","5","2","7","1") = "9"
    & skf18("7","1","10","5","2","8","1") = "9"
    & skf18("7","1","10","5","2","9","1") = "9"
    & skf18("7","1","10","5","2","10","1") = "9"
    & skf18("7","1","10","5","3","1","1") = "9"
    & skf18("7","1","10","5","3","2","1") = "9"
    & skf18("7","1","10","5","3","3","1") = "9"
    & skf18("7","1","10","5","3","4","1") = "9"
    & skf18("7","1","10","5","3","5","1") = "9"
    & skf18("7","1","10","5","3","6","1") = "9"
    & skf18("7","1","10","5","3","7","1") = "9"
    & skf18("7","1","10","5","3","8","1") = "9"
    & skf18("7","1","10","5","3","9","1") = "9"
    & skf18("7","1","10","5","3","10","1") = "9"
    & skf18("7","1","10","5","4","1","1") = "9"
    & skf18("7","1","10","5","4","2","1") = "9"
    & skf18("7","1","10","5","4","3","1") = "9"
    & skf18("7","1","10","5","4","4","1") = "9"
    & skf18("7","1","10","5","4","5","1") = "9"
    & skf18("7","1","10","5","4","6","1") = "9"
    & skf18("7","1","10","5","4","7","1") = "9"
    & skf18("7","1","10","5","4","8","1") = "9"
    & skf18("7","1","10","5","4","9","1") = "9"
    & skf18("7","1","10","5","4","10","1") = "9"
    & skf18("7","1","10","5","5","1","1") = "9"
    & skf18("7","1","10","5","5","2","1") = "9"
    & skf18("7","1","10","5","5","3","1") = "9"
    & skf18("7","1","10","5","5","4","1") = "9"
    & skf18("7","1","10","5","5","5","1") = "9"
    & skf18("7","1","10","5","5","6","1") = "9"
    & skf18("7","1","10","5","5","7","1") = "9"
    & skf18("7","1","10","5","5","8","1") = "9"
    & skf18("7","1","10","5","5","9","1") = "9"
    & skf18("7","1","10","5","5","10","1") = "9"
    & skf18("7","1","10","5","6","1","1") = "9"
    & skf18("7","1","10","5","6","2","1") = "9"
    & skf18("7","1","10","5","6","3","1") = "9"
    & skf18("7","1","10","5","6","4","1") = "9"
    & skf18("7","1","10","5","6","5","1") = "9"
    & skf18("7","1","10","5","6","6","1") = "9"
    & skf18("7","1","10","5","6","7","1") = "9"
    & skf18("7","1","10","5","6","8","1") = "9"
    & skf18("7","1","10","5","6","9","1") = "9"
    & skf18("7","1","10","5","6","10","1") = "9"
    & skf18("7","1","10","5","7","1","1") = "9"
    & skf18("7","1","10","5","7","2","1") = "9"
    & skf18("7","1","10","5","7","3","1") = "9"
    & skf18("7","1","10","5","7","4","1") = "9"
    & skf18("7","1","10","5","7","5","1") = "9"
    & skf18("7","1","10","5","7","6","1") = "9"
    & skf18("7","1","10","5","7","7","1") = "9"
    & skf18("7","1","10","5","7","8","1") = "9"
    & skf18("7","1","10","5","7","9","1") = "9"
    & skf18("7","1","10","5","7","10","1") = "9"
    & skf18("7","1","10","5","8","1","1") = "9"
    & skf18("7","1","10","5","8","2","1") = "9"
    & skf18("7","1","10","5","8","3","1") = "9"
    & skf18("7","1","10","5","8","4","1") = "9"
    & skf18("7","1","10","5","8","5","1") = "9"
    & skf18("7","1","10","5","8","6","1") = "9"
    & skf18("7","1","10","5","8","7","1") = "9"
    & skf18("7","1","10","5","8","8","1") = "9"
    & skf18("7","1","10","5","8","9","1") = "9"
    & skf18("7","1","10","5","8","10","1") = "9"
    & skf18("7","1","10","5","9","1","1") = "9"
    & skf18("7","1","10","5","9","2","1") = "9"
    & skf18("7","1","10","5","9","3","1") = "9"
    & skf18("7","1","10","5","9","4","1") = "9"
    & skf18("7","1","10","5","9","5","1") = "9"
    & skf18("7","1","10","5","9","6","1") = "9"
    & skf18("7","1","10","5","9","7","1") = "9"
    & skf18("7","1","10","5","9","8","1") = "9"
    & skf18("7","1","10","5","9","9","1") = "9"
    & skf18("7","1","10","5","9","10","1") = "9"
    & skf18("7","1","10","5","10","1","1") = "9"
    & skf18("7","1","10","5","10","2","1") = "9"
    & skf18("7","1","10","5","10","3","1") = "9"
    & skf18("7","1","10","5","10","4","1") = "9"
    & skf18("7","1","10","5","10","5","1") = "9"
    & skf18("7","1","10","5","10","6","1") = "9"
    & skf18("7","1","10","5","10","7","1") = "9"
    & skf18("7","1","10","5","10","8","1") = "9"
    & skf18("7","1","10","5","10","9","1") = "9"
    & skf18("7","1","10","5","10","10","1") = "9"
    & skf18("7","1","10","6","1","1","1") = "9"
    & skf18("7","1","10","6","1","2","1") = "9"
    & skf18("7","1","10","6","1","3","1") = "9"
    & skf18("7","1","10","6","1","4","1") = "9"
    & skf18("7","1","10","6","1","5","1") = "9"
    & skf18("7","1","10","6","1","6","1") = "9"
    & skf18("7","1","10","6","1","7","1") = "9"
    & skf18("7","1","10","6","1","8","1") = "9"
    & skf18("7","1","10","6","1","9","1") = "9"
    & skf18("7","1","10","6","1","10","1") = "9"
    & skf18("7","1","10","6","2","1","1") = "9"
    & skf18("7","1","10","6","2","2","1") = "9"
    & skf18("7","1","10","6","2","3","1") = "9"
    & skf18("7","1","10","6","2","4","1") = "9"
    & skf18("7","1","10","6","2","5","1") = "9"
    & skf18("7","1","10","6","2","6","1") = "9"
    & skf18("7","1","10","6","2","7","1") = "9"
    & skf18("7","1","10","6","2","8","1") = "9"
    & skf18("7","1","10","6","2","9","1") = "9"
    & skf18("7","1","10","6","2","10","1") = "9"
    & skf18("7","1","10","6","3","1","1") = "9"
    & skf18("7","1","10","6","3","2","1") = "9"
    & skf18("7","1","10","6","3","3","1") = "9"
    & skf18("7","1","10","6","3","4","1") = "9"
    & skf18("7","1","10","6","3","5","1") = "9"
    & skf18("7","1","10","6","3","6","1") = "9"
    & skf18("7","1","10","6","3","7","1") = "9"
    & skf18("7","1","10","6","3","8","1") = "9"
    & skf18("7","1","10","6","3","9","1") = "9"
    & skf18("7","1","10","6","3","10","1") = "9"
    & skf18("7","1","10","6","4","1","1") = "9"
    & skf18("7","1","10","6","4","2","1") = "9"
    & skf18("7","1","10","6","4","3","1") = "9"
    & skf18("7","1","10","6","4","4","1") = "9"
    & skf18("7","1","10","6","4","5","1") = "9"
    & skf18("7","1","10","6","4","6","1") = "9"
    & skf18("7","1","10","6","4","7","1") = "9"
    & skf18("7","1","10","6","4","8","1") = "9"
    & skf18("7","1","10","6","4","9","1") = "9"
    & skf18("7","1","10","6","4","10","1") = "9"
    & skf18("7","1","10","6","5","1","1") = "9"
    & skf18("7","1","10","6","5","2","1") = "9"
    & skf18("7","1","10","6","5","3","1") = "9"
    & skf18("7","1","10","6","5","4","1") = "9"
    & skf18("7","1","10","6","5","5","1") = "9"
    & skf18("7","1","10","6","5","6","1") = "9"
    & skf18("7","1","10","6","5","7","1") = "9"
    & skf18("7","1","10","6","5","8","1") = "9"
    & skf18("7","1","10","6","5","9","1") = "9"
    & skf18("7","1","10","6","5","10","1") = "9"
    & skf18("7","1","10","6","6","1","1") = "9"
    & skf18("7","1","10","6","6","2","1") = "9"
    & skf18("7","1","10","6","6","3","1") = "9"
    & skf18("7","1","10","6","6","4","1") = "9"
    & skf18("7","1","10","6","6","5","1") = "9"
    & skf18("7","1","10","6","6","6","1") = "9"
    & skf18("7","1","10","6","6","7","1") = "9"
    & skf18("7","1","10","6","6","8","1") = "9"
    & skf18("7","1","10","6","6","9","1") = "9"
    & skf18("7","1","10","6","6","10","1") = "9"
    & skf18("7","1","10","6","7","1","1") = "9"
    & skf18("7","1","10","6","7","2","1") = "9"
    & skf18("7","1","10","6","7","3","1") = "9"
    & skf18("7","1","10","6","7","4","1") = "9"
    & skf18("7","1","10","6","7","5","1") = "9"
    & skf18("7","1","10","6","7","6","1") = "9"
    & skf18("7","1","10","6","7","7","1") = "9"
    & skf18("7","1","10","6","7","8","1") = "9"
    & skf18("7","1","10","6","7","9","1") = "9"
    & skf18("7","1","10","6","7","10","1") = "9"
    & skf18("7","1","10","6","8","1","1") = "9"
    & skf18("7","1","10","6","8","2","1") = "9"
    & skf18("7","1","10","6","8","3","1") = "9"
    & skf18("7","1","10","6","8","4","1") = "9"
    & skf18("7","1","10","6","8","5","1") = "9"
    & skf18("7","1","10","6","8","6","1") = "9"
    & skf18("7","1","10","6","8","7","1") = "9"
    & skf18("7","1","10","6","8","8","1") = "9"
    & skf18("7","1","10","6","8","9","1") = "9"
    & skf18("7","1","10","6","8","10","1") = "9"
    & skf18("7","1","10","6","9","1","1") = "9"
    & skf18("7","1","10","6","9","2","1") = "9"
    & skf18("7","1","10","6","9","3","1") = "9"
    & skf18("7","1","10","6","9","4","1") = "9"
    & skf18("7","1","10","6","9","5","1") = "9"
    & skf18("7","1","10","6","9","6","1") = "9"
    & skf18("7","1","10","6","9","7","1") = "9"
    & skf18("7","1","10","6","9","8","1") = "9"
    & skf18("7","1","10","6","9","9","1") = "9"
    & skf18("7","1","10","6","9","10","1") = "9"
    & skf18("7","1","10","6","10","1","1") = "9"
    & skf18("7","1","10","6","10","2","1") = "9"
    & skf18("7","1","10","6","10","3","1") = "9"
    & skf18("7","1","10","6","10","4","1") = "9"
    & skf18("7","1","10","6","10","5","1") = "9"
    & skf18("7","1","10","6","10","6","1") = "9"
    & skf18("7","1","10","6","10","7","1") = "9"
    & skf18("7","1","10","6","10","8","1") = "9"
    & skf18("7","1","10","6","10","9","1") = "9"
    & skf18("7","1","10","6","10","10","1") = "9"
    & skf18("7","1","10","7","1","1","1") = "9"
    & skf18("7","1","10","7","1","2","1") = "9"
    & skf18("7","1","10","7","1","3","1") = "9"
    & skf18("7","1","10","7","1","4","1") = "9"
    & skf18("7","1","10","7","1","5","1") = "9"
    & skf18("7","1","10","7","1","6","1") = "9"
    & skf18("7","1","10","7","1","7","1") = "9"
    & skf18("7","1","10","7","1","8","1") = "9"
    & skf18("7","1","10","7","1","9","1") = "9"
    & skf18("7","1","10","7","1","10","1") = "9"
    & skf18("7","1","10","7","2","1","1") = "9"
    & skf18("7","1","10","7","2","2","1") = "9"
    & skf18("7","1","10","7","2","3","1") = "9"
    & skf18("7","1","10","7","2","4","1") = "9"
    & skf18("7","1","10","7","2","5","1") = "9"
    & skf18("7","1","10","7","2","6","1") = "9"
    & skf18("7","1","10","7","2","7","1") = "9"
    & skf18("7","1","10","7","2","8","1") = "9"
    & skf18("7","1","10","7","2","9","1") = "9"
    & skf18("7","1","10","7","2","10","1") = "9"
    & skf18("7","1","10","7","3","1","1") = "9"
    & skf18("7","1","10","7","3","2","1") = "9"
    & skf18("7","1","10","7","3","3","1") = "9"
    & skf18("7","1","10","7","3","4","1") = "9"
    & skf18("7","1","10","7","3","5","1") = "9"
    & skf18("7","1","10","7","3","6","1") = "9"
    & skf18("7","1","10","7","3","7","1") = "9"
    & skf18("7","1","10","7","3","8","1") = "9"
    & skf18("7","1","10","7","3","9","1") = "9"
    & skf18("7","1","10","7","3","10","1") = "9"
    & skf18("7","1","10","7","4","1","1") = "9"
    & skf18("7","1","10","7","4","2","1") = "9"
    & skf18("7","1","10","7","4","3","1") = "9"
    & skf18("7","1","10","7","4","4","1") = "9"
    & skf18("7","1","10","7","4","5","1") = "9"
    & skf18("7","1","10","7","4","6","1") = "9"
    & skf18("7","1","10","7","4","7","1") = "9"
    & skf18("7","1","10","7","4","8","1") = "9"
    & skf18("7","1","10","7","4","9","1") = "9"
    & skf18("7","1","10","7","4","10","1") = "9"
    & skf18("7","1","10","7","5","1","1") = "9"
    & skf18("7","1","10","7","5","2","1") = "9"
    & skf18("7","1","10","7","5","3","1") = "9"
    & skf18("7","1","10","7","5","4","1") = "9"
    & skf18("7","1","10","7","5","5","1") = "9"
    & skf18("7","1","10","7","5","6","1") = "9"
    & skf18("7","1","10","7","5","7","1") = "9"
    & skf18("7","1","10","7","5","8","1") = "9"
    & skf18("7","1","10","7","5","9","1") = "9"
    & skf18("7","1","10","7","5","10","1") = "9"
    & skf18("7","1","10","7","6","1","1") = "9"
    & skf18("7","1","10","7","6","2","1") = "9"
    & skf18("7","1","10","7","6","3","1") = "9"
    & skf18("7","1","10","7","6","4","1") = "9"
    & skf18("7","1","10","7","6","5","1") = "9"
    & skf18("7","1","10","7","6","6","1") = "9"
    & skf18("7","1","10","7","6","7","1") = "9"
    & skf18("7","1","10","7","6","8","1") = "9"
    & skf18("7","1","10","7","6","9","1") = "9"
    & skf18("7","1","10","7","6","10","1") = "9"
    & skf18("7","1","10","7","7","1","1") = "9"
    & skf18("7","1","10","7","7","2","1") = "9"
    & skf18("7","1","10","7","7","3","1") = "9"
    & skf18("7","1","10","7","7","4","1") = "9"
    & skf18("7","1","10","7","7","5","1") = "9"
    & skf18("7","1","10","7","7","6","1") = "9"
    & skf18("7","1","10","7","7","7","1") = "9"
    & skf18("7","1","10","7","7","8","1") = "9"
    & skf18("7","1","10","7","7","9","1") = "9"
    & skf18("7","1","10","7","7","10","1") = "9"
    & skf18("7","1","10","7","8","1","1") = "9"
    & skf18("7","1","10","7","8","2","1") = "9"
    & skf18("7","1","10","7","8","3","1") = "9"
    & skf18("7","1","10","7","8","4","1") = "9"
    & skf18("7","1","10","7","8","5","1") = "9"
    & skf18("7","1","10","7","8","6","1") = "9"
    & skf18("7","1","10","7","8","7","1") = "9"
    & skf18("7","1","10","7","8","8","1") = "9"
    & skf18("7","1","10","7","8","9","1") = "9"
    & skf18("7","1","10","7","8","10","1") = "9"
    & skf18("7","1","10","7","9","1","1") = "9"
    & skf18("7","1","10","7","9","2","1") = "9"
    & skf18("7","1","10","7","9","3","1") = "9"
    & skf18("7","1","10","7","9","4","1") = "9"
    & skf18("7","1","10","7","9","5","1") = "9"
    & skf18("7","1","10","7","9","6","1") = "9"
    & skf18("7","1","10","7","9","7","1") = "9"
    & skf18("7","1","10","7","9","8","1") = "9"
    & skf18("7","1","10","7","9","9","1") = "9"
    & skf18("7","1","10","7","9","10","1") = "9"
    & skf18("7","1","10","7","10","1","1") = "9"
    & skf18("7","1","10","7","10","2","1") = "9"
    & skf18("7","1","10","7","10","3","1") = "9"
    & skf18("7","1","10","7","10","4","1") = "9"
    & skf18("7","1","10","7","10","5","1") = "9"
    & skf18("7","1","10","7","10","6","1") = "9"
    & skf18("7","1","10","7","10","7","1") = "9"
    & skf18("7","1","10","7","10","8","1") = "9"
    & skf18("7","1","10","7","10","9","1") = "9"
    & skf18("7","1","10","7","10","10","1") = "9"
    & skf18("7","1","10","8","1","1","1") = "9"
    & skf18("7","1","10","8","1","2","1") = "9"
    & skf18("7","1","10","8","1","3","1") = "9"
    & skf18("7","1","10","8","1","4","1") = "9"
    & skf18("7","1","10","8","1","5","1") = "9"
    & skf18("7","1","10","8","1","6","1") = "9"
    & skf18("7","1","10","8","1","7","1") = "9"
    & skf18("7","1","10","8","1","8","1") = "9"
    & skf18("7","1","10","8","1","9","1") = "9"
    & skf18("7","1","10","8","1","10","1") = "9"
    & skf18("7","1","10","8","2","1","1") = "9"
    & skf18("7","1","10","8","2","2","1") = "9"
    & skf18("7","1","10","8","2","3","1") = "9"
    & skf18("7","1","10","8","2","4","1") = "9"
    & skf18("7","1","10","8","2","5","1") = "9"
    & skf18("7","1","10","8","2","6","1") = "9"
    & skf18("7","1","10","8","2","7","1") = "9"
    & skf18("7","1","10","8","2","8","1") = "9"
    & skf18("7","1","10","8","2","9","1") = "9"
    & skf18("7","1","10","8","2","10","1") = "9"
    & skf18("7","1","10","8","3","1","1") = "9"
    & skf18("7","1","10","8","3","2","1") = "9"
    & skf18("7","1","10","8","3","3","1") = "9"
    & skf18("7","1","10","8","3","4","1") = "9"
    & skf18("7","1","10","8","3","5","1") = "9"
    & skf18("7","1","10","8","3","6","1") = "9"
    & skf18("7","1","10","8","3","7","1") = "9"
    & skf18("7","1","10","8","3","8","1") = "9"
    & skf18("7","1","10","8","3","9","1") = "9"
    & skf18("7","1","10","8","3","10","1") = "9"
    & skf18("7","1","10","8","4","1","1") = "9"
    & skf18("7","1","10","8","4","2","1") = "9"
    & skf18("7","1","10","8","4","3","1") = "9"
    & skf18("7","1","10","8","4","4","1") = "9"
    & skf18("7","1","10","8","4","5","1") = "9"
    & skf18("7","1","10","8","4","6","1") = "9"
    & skf18("7","1","10","8","4","7","1") = "9"
    & skf18("7","1","10","8","4","8","1") = "9"
    & skf18("7","1","10","8","4","9","1") = "9"
    & skf18("7","1","10","8","4","10","1") = "9"
    & skf18("7","1","10","8","5","1","1") = "9"
    & skf18("7","1","10","8","5","2","1") = "9"
    & skf18("7","1","10","8","5","3","1") = "9"
    & skf18("7","1","10","8","5","4","1") = "9"
    & skf18("7","1","10","8","5","5","1") = "9"
    & skf18("7","1","10","8","5","6","1") = "9"
    & skf18("7","1","10","8","5","7","1") = "9"
    & skf18("7","1","10","8","5","8","1") = "9"
    & skf18("7","1","10","8","5","9","1") = "9"
    & skf18("7","1","10","8","5","10","1") = "9"
    & skf18("7","1","10","8","6","1","1") = "9"
    & skf18("7","1","10","8","6","2","1") = "9"
    & skf18("7","1","10","8","6","3","1") = "9"
    & skf18("7","1","10","8","6","4","1") = "9"
    & skf18("7","1","10","8","6","5","1") = "9"
    & skf18("7","1","10","8","6","6","1") = "9"
    & skf18("7","1","10","8","6","7","1") = "9"
    & skf18("7","1","10","8","6","8","1") = "9"
    & skf18("7","1","10","8","6","9","1") = "9"
    & skf18("7","1","10","8","6","10","1") = "9"
    & skf18("7","1","10","8","7","1","1") = "9"
    & skf18("7","1","10","8","7","2","1") = "9"
    & skf18("7","1","10","8","7","3","1") = "9"
    & skf18("7","1","10","8","7","4","1") = "9"
    & skf18("7","1","10","8","7","5","1") = "9"
    & skf18("7","1","10","8","7","6","1") = "9"
    & skf18("7","1","10","8","7","7","1") = "9"
    & skf18("7","1","10","8","7","8","1") = "9"
    & skf18("7","1","10","8","7","9","1") = "9"
    & skf18("7","1","10","8","7","10","1") = "9"
    & skf18("7","1","10","8","8","1","1") = "9"
    & skf18("7","1","10","8","8","2","1") = "9"
    & skf18("7","1","10","8","8","3","1") = "9"
    & skf18("7","1","10","8","8","4","1") = "9"
    & skf18("7","1","10","8","8","5","1") = "9"
    & skf18("7","1","10","8","8","6","1") = "9"
    & skf18("7","1","10","8","8","7","1") = "9"
    & skf18("7","1","10","8","8","8","1") = "9"
    & skf18("7","1","10","8","8","9","1") = "9"
    & skf18("7","1","10","8","8","10","1") = "9"
    & skf18("7","1","10","8","9","1","1") = "9"
    & skf18("7","1","10","8","9","2","1") = "9"
    & skf18("7","1","10","8","9","3","1") = "9"
    & skf18("7","1","10","8","9","4","1") = "9"
    & skf18("7","1","10","8","9","5","1") = "9"
    & skf18("7","1","10","8","9","6","1") = "9"
    & skf18("7","1","10","8","9","7","1") = "9"
    & skf18("7","1","10","8","9","8","1") = "9"
    & skf18("7","1","10","8","9","9","1") = "9"
    & skf18("7","1","10","8","9","10","1") = "9"
    & skf18("7","1","10","8","10","1","1") = "9"
    & skf18("7","1","10","8","10","2","1") = "9"
    & skf18("7","1","10","8","10","3","1") = "9"
    & skf18("7","1","10","8","10","4","1") = "9"
    & skf18("7","1","10","8","10","5","1") = "9"
    & skf18("7","1","10","8","10","6","1") = "9"
    & skf18("7","1","10","8","10","7","1") = "9"
    & skf18("7","1","10","8","10","8","1") = "9"
    & skf18("7","1","10","8","10","9","1") = "9"
    & skf18("7","1","10","8","10","10","1") = "9"
    & skf18("7","1","10","9","1","1","1") = "9"
    & skf18("7","1","10","9","1","2","1") = "9"
    & skf18("7","1","10","9","1","3","1") = "9"
    & skf18("7","1","10","9","1","4","1") = "9"
    & skf18("7","1","10","9","1","5","1") = "9"
    & skf18("7","1","10","9","1","6","1") = "9"
    & skf18("7","1","10","9","1","7","1") = "9"
    & skf18("7","1","10","9","1","8","1") = "9"
    & skf18("7","1","10","9","1","9","1") = "9"
    & skf18("7","1","10","9","1","10","1") = "9"
    & skf18("7","1","10","9","2","1","1") = "9"
    & skf18("7","1","10","9","2","2","1") = "9"
    & skf18("7","1","10","9","2","3","1") = "9"
    & skf18("7","1","10","9","2","4","1") = "9"
    & skf18("7","1","10","9","2","5","1") = "9"
    & skf18("7","1","10","9","2","6","1") = "9"
    & skf18("7","1","10","9","2","7","1") = "9"
    & skf18("7","1","10","9","2","8","1") = "9"
    & skf18("7","1","10","9","2","9","1") = "9"
    & skf18("7","1","10","9","2","10","1") = "9"
    & skf18("7","1","10","9","3","1","1") = "9"
    & skf18("7","1","10","9","3","2","1") = "9"
    & skf18("7","1","10","9","3","3","1") = "9"
    & skf18("7","1","10","9","3","4","1") = "9"
    & skf18("7","1","10","9","3","5","1") = "9"
    & skf18("7","1","10","9","3","6","1") = "9"
    & skf18("7","1","10","9","3","7","1") = "9"
    & skf18("7","1","10","9","3","8","1") = "9"
    & skf18("7","1","10","9","3","9","1") = "9"
    & skf18("7","1","10","9","3","10","1") = "9"
    & skf18("7","1","10","9","4","1","1") = "9"
    & skf18("7","1","10","9","4","2","1") = "9"
    & skf18("7","1","10","9","4","3","1") = "9"
    & skf18("7","1","10","9","4","4","1") = "9"
    & skf18("7","1","10","9","4","5","1") = "9"
    & skf18("7","1","10","9","4","6","1") = "9"
    & skf18("7","1","10","9","4","7","1") = "9"
    & skf18("7","1","10","9","4","8","1") = "9"
    & skf18("7","1","10","9","4","9","1") = "9"
    & skf18("7","1","10","9","4","10","1") = "9"
    & skf18("7","1","10","9","5","1","1") = "9"
    & skf18("7","1","10","9","5","2","1") = "9"
    & skf18("7","1","10","9","5","3","1") = "9"
    & skf18("7","1","10","9","5","4","1") = "9"
    & skf18("7","1","10","9","5","5","1") = "9"
    & skf18("7","1","10","9","5","6","1") = "9"
    & skf18("7","1","10","9","5","7","1") = "9"
    & skf18("7","1","10","9","5","8","1") = "9"
    & skf18("7","1","10","9","5","9","1") = "9"
    & skf18("7","1","10","9","5","10","1") = "9"
    & skf18("7","1","10","9","6","1","1") = "9"
    & skf18("7","1","10","9","6","2","1") = "9"
    & skf18("7","1","10","9","6","3","1") = "9"
    & skf18("7","1","10","9","6","4","1") = "9"
    & skf18("7","1","10","9","6","5","1") = "9"
    & skf18("7","1","10","9","6","6","1") = "9"
    & skf18("7","1","10","9","6","7","1") = "9"
    & skf18("7","1","10","9","6","8","1") = "9"
    & skf18("7","1","10","9","6","9","1") = "9"
    & skf18("7","1","10","9","6","10","1") = "9"
    & skf18("7","1","10","9","7","1","1") = "9"
    & skf18("7","1","10","9","7","2","1") = "9"
    & skf18("7","1","10","9","7","3","1") = "9"
    & skf18("7","1","10","9","7","4","1") = "9"
    & skf18("7","1","10","9","7","5","1") = "9"
    & skf18("7","1","10","9","7","6","1") = "9"
    & skf18("7","1","10","9","7","7","1") = "9"
    & skf18("7","1","10","9","7","8","1") = "9"
    & skf18("7","1","10","9","7","9","1") = "9"
    & skf18("7","1","10","9","7","10","1") = "9"
    & skf18("7","1","10","9","8","1","1") = "9"
    & skf18("7","1","10","9","8","2","1") = "9"
    & skf18("7","1","10","9","8","3","1") = "9"
    & skf18("7","1","10","9","8","4","1") = "9"
    & skf18("7","1","10","9","8","5","1") = "9"
    & skf18("7","1","10","9","8","6","1") = "9"
    & skf18("7","1","10","9","8","7","1") = "9"
    & skf18("7","1","10","9","8","8","1") = "9"
    & skf18("7","1","10","9","8","9","1") = "9"
    & skf18("7","1","10","9","8","10","1") = "9"
    & skf18("7","1","10","9","9","1","1") = "9"
    & skf18("7","1","10","9","9","2","1") = "9"
    & skf18("7","1","10","9","9","3","1") = "9"
    & skf18("7","1","10","9","9","4","1") = "9"
    & skf18("7","1","10","9","9","5","1") = "9"
    & skf18("7","1","10","9","9","6","1") = "9"
    & skf18("7","1","10","9","9","7","1") = "9"
    & skf18("7","1","10","9","9","8","1") = "9"
    & skf18("7","1","10","9","9","9","1") = "9"
    & skf18("7","1","10","9","9","10","1") = "9"
    & skf18("7","1","10","9","10","1","1") = "9"
    & skf18("7","1","10","9","10","2","1") = "9"
    & skf18("7","1","10","9","10","3","1") = "9"
    & skf18("7","1","10","9","10","4","1") = "9"
    & skf18("7","1","10","9","10","5","1") = "9"
    & skf18("7","1","10","9","10","6","1") = "9"
    & skf18("7","1","10","9","10","7","1") = "9"
    & skf18("7","1","10","9","10","8","1") = "9"
    & skf18("7","1","10","9","10","9","1") = "9"
    & skf18("7","1","10","9","10","10","1") = "9"
    & skf18("7","1","10","10","1","1","1") = "9"
    & skf18("7","1","10","10","1","2","1") = "9"
    & skf18("7","1","10","10","1","3","1") = "9"
    & skf18("7","1","10","10","1","4","1") = "9"
    & skf18("7","1","10","10","1","5","1") = "9"
    & skf18("7","1","10","10","1","6","1") = "9"
    & skf18("7","1","10","10","1","7","1") = "9"
    & skf18("7","1","10","10","1","8","1") = "9"
    & skf18("7","1","10","10","1","9","1") = "9"
    & skf18("7","1","10","10","1","10","1") = "9"
    & skf18("7","1","10","10","2","1","1") = "9"
    & skf18("7","1","10","10","2","2","1") = "9"
    & skf18("7","1","10","10","2","3","1") = "9"
    & skf18("7","1","10","10","2","4","1") = "9"
    & skf18("7","1","10","10","2","5","1") = "9"
    & skf18("7","1","10","10","2","6","1") = "9"
    & skf18("7","1","10","10","2","7","1") = "9"
    & skf18("7","1","10","10","2","8","1") = "9"
    & skf18("7","1","10","10","2","9","1") = "9"
    & skf18("7","1","10","10","2","10","1") = "9"
    & skf18("7","1","10","10","3","1","1") = "9"
    & skf18("7","1","10","10","3","2","1") = "9"
    & skf18("7","1","10","10","3","3","1") = "9"
    & skf18("7","1","10","10","3","4","1") = "9"
    & skf18("7","1","10","10","3","5","1") = "9"
    & skf18("7","1","10","10","3","6","1") = "9"
    & skf18("7","1","10","10","3","7","1") = "9"
    & skf18("7","1","10","10","3","8","1") = "9"
    & skf18("7","1","10","10","3","9","1") = "9"
    & skf18("7","1","10","10","3","10","1") = "9"
    & skf18("7","1","10","10","4","1","1") = "9"
    & skf18("7","1","10","10","4","2","1") = "9"
    & skf18("7","1","10","10","4","3","1") = "9"
    & skf18("7","1","10","10","4","4","1") = "9"
    & skf18("7","1","10","10","4","5","1") = "9"
    & skf18("7","1","10","10","4","6","1") = "9"
    & skf18("7","1","10","10","4","7","1") = "9"
    & skf18("7","1","10","10","4","8","1") = "9"
    & skf18("7","1","10","10","4","9","1") = "9"
    & skf18("7","1","10","10","4","10","1") = "9"
    & skf18("7","1","10","10","5","1","1") = "9"
    & skf18("7","1","10","10","5","2","1") = "9"
    & skf18("7","1","10","10","5","3","1") = "9"
    & skf18("7","1","10","10","5","4","1") = "9"
    & skf18("7","1","10","10","5","5","1") = "9"
    & skf18("7","1","10","10","5","6","1") = "9"
    & skf18("7","1","10","10","5","7","1") = "9"
    & skf18("7","1","10","10","5","8","1") = "9"
    & skf18("7","1","10","10","5","9","1") = "9"
    & skf18("7","1","10","10","5","10","1") = "9"
    & skf18("7","1","10","10","6","1","1") = "9"
    & skf18("7","1","10","10","6","2","1") = "9"
    & skf18("7","1","10","10","6","3","1") = "9"
    & skf18("7","1","10","10","6","4","1") = "9"
    & skf18("7","1","10","10","6","5","1") = "9"
    & skf18("7","1","10","10","6","6","1") = "9"
    & skf18("7","1","10","10","6","7","1") = "9"
    & skf18("7","1","10","10","6","8","1") = "9"
    & skf18("7","1","10","10","6","9","1") = "9"
    & skf18("7","1","10","10","6","10","1") = "9"
    & skf18("7","1","10","10","7","1","1") = "9"
    & skf18("7","1","10","10","7","2","1") = "9"
    & skf18("7","1","10","10","7","3","1") = "9"
    & skf18("7","1","10","10","7","4","1") = "9"
    & skf18("7","1","10","10","7","5","1") = "9"
    & skf18("7","1","10","10","7","6","1") = "9"
    & skf18("7","1","10","10","7","7","1") = "9"
    & skf18("7","1","10","10","7","8","1") = "9"
    & skf18("7","1","10","10","7","9","1") = "9"
    & skf18("7","1","10","10","7","10","1") = "9"
    & skf18("7","1","10","10","8","1","1") = "9"
    & skf18("7","1","10","10","8","2","1") = "9"
    & skf18("7","1","10","10","8","3","1") = "9"
    & skf18("7","1","10","10","8","4","1") = "9"
    & skf18("7","1","10","10","8","5","1") = "9"
    & skf18("7","1","10","10","8","6","1") = "9"
    & skf18("7","1","10","10","8","7","1") = "9"
    & skf18("7","1","10","10","8","8","1") = "9"
    & skf18("7","1","10","10","8","9","1") = "9"
    & skf18("7","1","10","10","8","10","1") = "9"
    & skf18("7","1","10","10","9","1","1") = "9"
    & skf18("7","1","10","10","9","2","1") = "9"
    & skf18("7","1","10","10","9","3","1") = "9"
    & skf18("7","1","10","10","9","4","1") = "9"
    & skf18("7","1","10","10","9","5","1") = "9"
    & skf18("7","1","10","10","9","6","1") = "9"
    & skf18("7","1","10","10","9","7","1") = "9"
    & skf18("7","1","10","10","9","8","1") = "9"
    & skf18("7","1","10","10","9","9","1") = "9"
    & skf18("7","1","10","10","9","10","1") = "9"
    & skf18("7","1","10","10","10","1","1") = "9"
    & skf18("7","1","10","10","10","2","1") = "9"
    & skf18("7","1","10","10","10","3","1") = "9"
    & skf18("7","1","10","10","10","4","1") = "9"
    & skf18("7","1","10","10","10","5","1") = "9"
    & skf18("7","1","10","10","10","6","1") = "9"
    & skf18("7","1","10","10","10","7","1") = "9"
    & skf18("7","1","10","10","10","8","1") = "9"
    & skf18("7","1","10","10","10","9","1") = "9"
    & skf18("7","1","10","10","10","10","1") = "9"
    & skf18("7","2","1","1","1","1","1") = "6"
    & skf18("7","2","1","1","1","2","1") = "6"
    & skf18("7","2","1","1","1","3","1") = "6"
    & skf18("7","2","1","1","1","4","1") = "6"
    & skf18("7","2","1","1","1","5","1") = "6"
    & skf18("7","2","1","1","1","6","1") = "6"
    & skf18("7","2","1","1","1","7","1") = "6"
    & skf18("7","2","1","1","1","8","1") = "7"
    & skf18("7","2","1","1","1","9","1") = "8"
    & skf18("7","2","1","1","1","10","1") = "9"
    & skf18("7","2","1","1","2","1","1") = "6"
    & skf18("7","2","1","1","2","2","1") = "6"
    & skf18("7","2","1","1","2","3","1") = "6"
    & skf18("7","2","1","1","2","4","1") = "6"
    & skf18("7","2","1","1","2","5","1") = "6"
    & skf18("7","2","1","1","2","6","1") = "6"
    & skf18("7","2","1","1","2","7","1") = "6"
    & skf18("7","2","1","1","2","8","1") = "7"
    & skf18("7","2","1","1","2","9","1") = "8"
    & skf18("7","2","1","1","2","10","1") = "9"
    & skf18("7","2","1","1","3","1","1") = "6"
    & skf18("7","2","1","1","3","2","1") = "6"
    & skf18("7","2","1","1","3","3","1") = "6"
    & skf18("7","2","1","1","3","4","1") = "6"
    & skf18("7","2","1","1","3","5","1") = "6"
    & skf18("7","2","1","1","3","6","1") = "6"
    & skf18("7","2","1","1","3","7","1") = "6"
    & skf18("7","2","1","1","3","8","1") = "7"
    & skf18("7","2","1","1","3","9","1") = "8"
    & skf18("7","2","1","1","3","10","1") = "9"
    & skf18("7","2","1","1","4","1","1") = "6"
    & skf18("7","2","1","1","4","2","1") = "6"
    & skf18("7","2","1","1","4","3","1") = "6"
    & skf18("7","2","1","1","4","4","1") = "6"
    & skf18("7","2","1","1","4","5","1") = "6"
    & skf18("7","2","1","1","4","6","1") = "6"
    & skf18("7","2","1","1","4","7","1") = "6"
    & skf18("7","2","1","1","4","8","1") = "7"
    & skf18("7","2","1","1","4","9","1") = "8"
    & skf18("7","2","1","1","4","10","1") = "9"
    & skf18("7","2","1","1","5","1","1") = "6"
    & skf18("7","2","1","1","5","2","1") = "6"
    & skf18("7","2","1","1","5","3","1") = "6"
    & skf18("7","2","1","1","5","4","1") = "6"
    & skf18("7","2","1","1","5","5","1") = "6"
    & skf18("7","2","1","1","5","6","1") = "6"
    & skf18("7","2","1","1","5","7","1") = "6"
    & skf18("7","2","1","1","5","8","1") = "7"
    & skf18("7","2","1","1","5","9","1") = "8"
    & skf18("7","2","1","1","5","10","1") = "9"
    & skf18("7","2","1","1","6","1","1") = "6"
    & skf18("7","2","1","1","6","2","1") = "6"
    & skf18("7","2","1","1","6","3","1") = "6"
    & skf18("7","2","1","1","6","4","1") = "6"
    & skf18("7","2","1","1","6","5","1") = "6"
    & skf18("7","2","1","1","6","6","1") = "6"
    & skf18("7","2","1","1","6","7","1") = "6"
    & skf18("7","2","1","1","6","8","1") = "7"
    & skf18("7","2","1","1","6","9","1") = "8"
    & skf18("7","2","1","1","6","10","1") = "9"
    & skf18("7","2","1","1","7","1","1") = "6"
    & skf18("7","2","1","1","7","2","1") = "6"
    & skf18("7","2","1","1","7","3","1") = "6"
    & skf18("7","2","1","1","7","4","1") = "6"
    & skf18("7","2","1","1","7","5","1") = "6"
    & skf18("7","2","1","1","7","6","1") = "6"
    & skf18("7","2","1","1","7","7","1") = "6"
    & skf18("7","2","1","1","7","8","1") = "7"
    & skf18("7","2","1","1","7","9","1") = "8"
    & skf18("7","2","1","1","7","10","1") = "9"
    & skf18("7","2","1","1","8","1","1") = "7"
    & skf18("7","2","1","1","8","2","1") = "7"
    & skf18("7","2","1","1","8","3","1") = "7"
    & skf18("7","2","1","1","8","4","1") = "7"
    & skf18("7","2","1","1","8","5","1") = "7"
    & skf18("7","2","1","1","8","6","1") = "7"
    & skf18("7","2","1","1","8","7","1") = "7"
    & skf18("7","2","1","1","8","8","1") = "7"
    & skf18("7","2","1","1","8","9","1") = "8"
    & skf18("7","2","1","1","8","10","1") = "9"
    & skf18("7","2","1","1","9","1","1") = "8"
    & skf18("7","2","1","1","9","2","1") = "8"
    & skf18("7","2","1","1","9","3","1") = "8"
    & skf18("7","2","1","1","9","4","1") = "8"
    & skf18("7","2","1","1","9","5","1") = "8"
    & skf18("7","2","1","1","9","6","1") = "8"
    & skf18("7","2","1","1","9","7","1") = "8"
    & skf18("7","2","1","1","9","8","1") = "8"
    & skf18("7","2","1","1","9","9","1") = "8"
    & skf18("7","2","1","1","9","10","1") = "9"
    & skf18("7","2","1","1","10","1","1") = "9"
    & skf18("7","2","1","1","10","2","1") = "9"
    & skf18("7","2","1","1","10","3","1") = "9"
    & skf18("7","2","1","1","10","4","1") = "9"
    & skf18("7","2","1","1","10","5","1") = "9"
    & skf18("7","2","1","1","10","6","1") = "9"
    & skf18("7","2","1","1","10","7","1") = "9"
    & skf18("7","2","1","1","10","8","1") = "9"
    & skf18("7","2","1","1","10","9","1") = "9"
    & skf18("7","2","1","1","10","10","1") = "9"
    & skf18("7","2","1","2","1","1","1") = "6"
    & skf18("7","2","1","2","1","2","1") = "6"
    & skf18("7","2","1","2","1","3","1") = "6"
    & skf18("7","2","1","2","1","4","1") = "6"
    & skf18("7","2","1","2","1","5","1") = "6"
    & skf18("7","2","1","2","1","6","1") = "6"
    & skf18("7","2","1","2","1","7","1") = "6"
    & skf18("7","2","1","2","1","8","1") = "7"
    & skf18("7","2","1","2","1","9","1") = "8"
    & skf18("7","2","1","2","1","10","1") = "9"
    & skf18("7","2","1","2","2","1","1") = "6"
    & skf18("7","2","1","2","2","2","1") = "6"
    & skf18("7","2","1","2","2","3","1") = "6"
    & skf18("7","2","1","2","2","4","1") = "6"
    & skf18("7","2","1","2","2","5","1") = "6"
    & skf18("7","2","1","2","2","6","1") = "6"
    & skf18("7","2","1","2","2","7","1") = "6"
    & skf18("7","2","1","2","2","8","1") = "7"
    & skf18("7","2","1","2","2","9","1") = "8"
    & skf18("7","2","1","2","2","10","1") = "9"
    & skf18("7","2","1","2","3","1","1") = "6"
    & skf18("7","2","1","2","3","2","1") = "6"
    & skf18("7","2","1","2","3","3","1") = "6"
    & skf18("7","2","1","2","3","4","1") = "6"
    & skf18("7","2","1","2","3","5","1") = "6"
    & skf18("7","2","1","2","3","6","1") = "6"
    & skf18("7","2","1","2","3","7","1") = "6"
    & skf18("7","2","1","2","3","8","1") = "7"
    & skf18("7","2","1","2","3","9","1") = "8"
    & skf18("7","2","1","2","3","10","1") = "9"
    & skf18("7","2","1","2","4","1","1") = "6"
    & skf18("7","2","1","2","4","2","1") = "6"
    & skf18("7","2","1","2","4","3","1") = "6"
    & skf18("7","2","1","2","4","4","1") = "6"
    & skf18("7","2","1","2","4","5","1") = "6"
    & skf18("7","2","1","2","4","6","1") = "6"
    & skf18("7","2","1","2","4","7","1") = "6"
    & skf18("7","2","1","2","4","8","1") = "7"
    & skf18("7","2","1","2","4","9","1") = "8"
    & skf18("7","2","1","2","4","10","1") = "9"
    & skf18("7","2","1","2","5","1","1") = "6"
    & skf18("7","2","1","2","5","2","1") = "6"
    & skf18("7","2","1","2","5","3","1") = "6"
    & skf18("7","2","1","2","5","4","1") = "6"
    & skf18("7","2","1","2","5","5","1") = "6"
    & skf18("7","2","1","2","5","6","1") = "6"
    & skf18("7","2","1","2","5","7","1") = "6"
    & skf18("7","2","1","2","5","8","1") = "7"
    & skf18("7","2","1","2","5","9","1") = "8"
    & skf18("7","2","1","2","5","10","1") = "9"
    & skf18("7","2","1","2","6","1","1") = "6"
    & skf18("7","2","1","2","6","2","1") = "6"
    & skf18("7","2","1","2","6","3","1") = "6"
    & skf18("7","2","1","2","6","4","1") = "6"
    & skf18("7","2","1","2","6","5","1") = "6"
    & skf18("7","2","1","2","6","6","1") = "6"
    & skf18("7","2","1","2","6","7","1") = "6"
    & skf18("7","2","1","2","6","8","1") = "7"
    & skf18("7","2","1","2","6","9","1") = "8"
    & skf18("7","2","1","2","6","10","1") = "9"
    & skf18("7","2","1","2","7","1","1") = "6"
    & skf18("7","2","1","2","7","2","1") = "6"
    & skf18("7","2","1","2","7","3","1") = "6"
    & skf18("7","2","1","2","7","4","1") = "6"
    & skf18("7","2","1","2","7","5","1") = "6"
    & skf18("7","2","1","2","7","6","1") = "6"
    & skf18("7","2","1","2","7","7","1") = "6"
    & skf18("7","2","1","2","7","8","1") = "7"
    & skf18("7","2","1","2","7","9","1") = "8"
    & skf18("7","2","1","2","7","10","1") = "9"
    & skf18("7","2","1","2","8","1","1") = "7"
    & skf18("7","2","1","2","8","2","1") = "7"
    & skf18("7","2","1","2","8","3","1") = "7"
    & skf18("7","2","1","2","8","4","1") = "7"
    & skf18("7","2","1","2","8","5","1") = "7"
    & skf18("7","2","1","2","8","6","1") = "7"
    & skf18("7","2","1","2","8","7","1") = "7"
    & skf18("7","2","1","2","8","8","1") = "7"
    & skf18("7","2","1","2","8","9","1") = "8"
    & skf18("7","2","1","2","8","10","1") = "9"
    & skf18("7","2","1","2","9","1","1") = "8"
    & skf18("7","2","1","2","9","2","1") = "8"
    & skf18("7","2","1","2","9","3","1") = "8"
    & skf18("7","2","1","2","9","4","1") = "8"
    & skf18("7","2","1","2","9","5","1") = "8"
    & skf18("7","2","1","2","9","6","1") = "8"
    & skf18("7","2","1","2","9","7","1") = "8"
    & skf18("7","2","1","2","9","8","1") = "8"
    & skf18("7","2","1","2","9","9","1") = "8"
    & skf18("7","2","1","2","9","10","1") = "9"
    & skf18("7","2","1","2","10","1","1") = "9"
    & skf18("7","2","1","2","10","2","1") = "9"
    & skf18("7","2","1","2","10","3","1") = "9"
    & skf18("7","2","1","2","10","4","1") = "9"
    & skf18("7","2","1","2","10","5","1") = "9"
    & skf18("7","2","1","2","10","6","1") = "9"
    & skf18("7","2","1","2","10","7","1") = "9"
    & skf18("7","2","1","2","10","8","1") = "9"
    & skf18("7","2","1","2","10","9","1") = "9"
    & skf18("7","2","1","2","10","10","1") = "9"
    & skf18("7","2","1","3","1","1","1") = "6"
    & skf18("7","2","1","3","1","2","1") = "6"
    & skf18("7","2","1","3","1","3","1") = "6"
    & skf18("7","2","1","3","1","4","1") = "6"
    & skf18("7","2","1","3","1","5","1") = "6"
    & skf18("7","2","1","3","1","6","1") = "6"
    & skf18("7","2","1","3","1","7","1") = "6"
    & skf18("7","2","1","3","1","8","1") = "7"
    & skf18("7","2","1","3","1","9","1") = "8"
    & skf18("7","2","1","3","1","10","1") = "9"
    & skf18("7","2","1","3","2","1","1") = "6"
    & skf18("7","2","1","3","2","2","1") = "6"
    & skf18("7","2","1","3","2","3","1") = "6"
    & skf18("7","2","1","3","2","4","1") = "6"
    & skf18("7","2","1","3","2","5","1") = "6"
    & skf18("7","2","1","3","2","6","1") = "6"
    & skf18("7","2","1","3","2","7","1") = "6"
    & skf18("7","2","1","3","2","8","1") = "7"
    & skf18("7","2","1","3","2","9","1") = "8"
    & skf18("7","2","1","3","2","10","1") = "9"
    & skf18("7","2","1","3","3","1","1") = "6"
    & skf18("7","2","1","3","3","2","1") = "6"
    & skf18("7","2","1","3","3","3","1") = "6"
    & skf18("7","2","1","3","3","4","1") = "6"
    & skf18("7","2","1","3","3","5","1") = "6"
    & skf18("7","2","1","3","3","6","1") = "6"
    & skf18("7","2","1","3","3","7","1") = "6"
    & skf18("7","2","1","3","3","8","1") = "7"
    & skf18("7","2","1","3","3","9","1") = "8"
    & skf18("7","2","1","3","3","10","1") = "9"
    & skf18("7","2","1","3","4","1","1") = "6"
    & skf18("7","2","1","3","4","2","1") = "6"
    & skf18("7","2","1","3","4","3","1") = "6"
    & skf18("7","2","1","3","4","4","1") = "6"
    & skf18("7","2","1","3","4","5","1") = "6"
    & skf18("7","2","1","3","4","6","1") = "6"
    & skf18("7","2","1","3","4","7","1") = "6"
    & skf18("7","2","1","3","4","8","1") = "7"
    & skf18("7","2","1","3","4","9","1") = "8"
    & skf18("7","2","1","3","4","10","1") = "9"
    & skf18("7","2","1","3","5","1","1") = "6"
    & skf18("7","2","1","3","5","2","1") = "6"
    & skf18("7","2","1","3","5","3","1") = "6"
    & skf18("7","2","1","3","5","4","1") = "6"
    & skf18("7","2","1","3","5","5","1") = "6"
    & skf18("7","2","1","3","5","6","1") = "6"
    & skf18("7","2","1","3","5","7","1") = "6"
    & skf18("7","2","1","3","5","8","1") = "7"
    & skf18("7","2","1","3","5","9","1") = "8"
    & skf18("7","2","1","3","5","10","1") = "9"
    & skf18("7","2","1","3","6","1","1") = "6"
    & skf18("7","2","1","3","6","2","1") = "6"
    & skf18("7","2","1","3","6","3","1") = "6"
    & skf18("7","2","1","3","6","4","1") = "6"
    & skf18("7","2","1","3","6","5","1") = "6"
    & skf18("7","2","1","3","6","6","1") = "6"
    & skf18("7","2","1","3","6","7","1") = "6"
    & skf18("7","2","1","3","6","8","1") = "7"
    & skf18("7","2","1","3","6","9","1") = "8"
    & skf18("7","2","1","3","6","10","1") = "9"
    & skf18("7","2","1","3","7","1","1") = "6"
    & skf18("7","2","1","3","7","2","1") = "6"
    & skf18("7","2","1","3","7","3","1") = "6"
    & skf18("7","2","1","3","7","4","1") = "6"
    & skf18("7","2","1","3","7","5","1") = "6"
    & skf18("7","2","1","3","7","6","1") = "6"
    & skf18("7","2","1","3","7","7","1") = "6"
    & skf18("7","2","1","3","7","8","1") = "7"
    & skf18("7","2","1","3","7","9","1") = "8"
    & skf18("7","2","1","3","7","10","1") = "9"
    & skf18("7","2","1","3","8","1","1") = "7"
    & skf18("7","2","1","3","8","2","1") = "7"
    & skf18("7","2","1","3","8","3","1") = "7"
    & skf18("7","2","1","3","8","4","1") = "7"
    & skf18("7","2","1","3","8","5","1") = "7"
    & skf18("7","2","1","3","8","6","1") = "7"
    & skf18("7","2","1","3","8","7","1") = "7"
    & skf18("7","2","1","3","8","8","1") = "7"
    & skf18("7","2","1","3","8","9","1") = "8"
    & skf18("7","2","1","3","8","10","1") = "9"
    & skf18("7","2","1","3","9","1","1") = "8"
    & skf18("7","2","1","3","9","2","1") = "8"
    & skf18("7","2","1","3","9","3","1") = "8"
    & skf18("7","2","1","3","9","4","1") = "8"
    & skf18("7","2","1","3","9","5","1") = "8"
    & skf18("7","2","1","3","9","6","1") = "8"
    & skf18("7","2","1","3","9","7","1") = "8"
    & skf18("7","2","1","3","9","8","1") = "8"
    & skf18("7","2","1","3","9","9","1") = "8"
    & skf18("7","2","1","3","9","10","1") = "9"
    & skf18("7","2","1","3","10","1","1") = "9"
    & skf18("7","2","1","3","10","2","1") = "9"
    & skf18("7","2","1","3","10","3","1") = "9"
    & skf18("7","2","1","3","10","4","1") = "9"
    & skf18("7","2","1","3","10","5","1") = "9"
    & skf18("7","2","1","3","10","6","1") = "9"
    & skf18("7","2","1","3","10","7","1") = "9"
    & skf18("7","2","1","3","10","8","1") = "9"
    & skf18("7","2","1","3","10","9","1") = "9"
    & skf18("7","2","1","3","10","10","1") = "9"
    & skf18("7","2","1","4","1","1","1") = "6"
    & skf18("7","2","1","4","1","2","1") = "6"
    & skf18("7","2","1","4","1","3","1") = "6"
    & skf18("7","2","1","4","1","4","1") = "6"
    & skf18("7","2","1","4","1","5","1") = "6"
    & skf18("7","2","1","4","1","6","1") = "6"
    & skf18("7","2","1","4","1","7","1") = "6"
    & skf18("7","2","1","4","1","8","1") = "7"
    & skf18("7","2","1","4","1","9","1") = "8"
    & skf18("7","2","1","4","1","10","1") = "9"
    & skf18("7","2","1","4","2","1","1") = "6"
    & skf18("7","2","1","4","2","2","1") = "6"
    & skf18("7","2","1","4","2","3","1") = "6"
    & skf18("7","2","1","4","2","4","1") = "6"
    & skf18("7","2","1","4","2","5","1") = "6"
    & skf18("7","2","1","4","2","6","1") = "6"
    & skf18("7","2","1","4","2","7","1") = "6"
    & skf18("7","2","1","4","2","8","1") = "7"
    & skf18("7","2","1","4","2","9","1") = "8"
    & skf18("7","2","1","4","2","10","1") = "9"
    & skf18("7","2","1","4","3","1","1") = "6"
    & skf18("7","2","1","4","3","2","1") = "6"
    & skf18("7","2","1","4","3","3","1") = "6"
    & skf18("7","2","1","4","3","4","1") = "6"
    & skf18("7","2","1","4","3","5","1") = "6"
    & skf18("7","2","1","4","3","6","1") = "6"
    & skf18("7","2","1","4","3","7","1") = "6"
    & skf18("7","2","1","4","3","8","1") = "7"
    & skf18("7","2","1","4","3","9","1") = "8"
    & skf18("7","2","1","4","3","10","1") = "9"
    & skf18("7","2","1","4","4","1","1") = "6"
    & skf18("7","2","1","4","4","2","1") = "6"
    & skf18("7","2","1","4","4","3","1") = "6"
    & skf18("7","2","1","4","4","4","1") = "6"
    & skf18("7","2","1","4","4","5","1") = "6"
    & skf18("7","2","1","4","4","6","1") = "6"
    & skf18("7","2","1","4","4","7","1") = "6"
    & skf18("7","2","1","4","4","8","1") = "7"
    & skf18("7","2","1","4","4","9","1") = "8"
    & skf18("7","2","1","4","4","10","1") = "9"
    & skf18("7","2","1","4","5","1","1") = "6"
    & skf18("7","2","1","4","5","2","1") = "6"
    & skf18("7","2","1","4","5","3","1") = "6"
    & skf18("7","2","1","4","5","4","1") = "6"
    & skf18("7","2","1","4","5","5","1") = "6"
    & skf18("7","2","1","4","5","6","1") = "6"
    & skf18("7","2","1","4","5","7","1") = "6"
    & skf18("7","2","1","4","5","8","1") = "7"
    & skf18("7","2","1","4","5","9","1") = "8"
    & skf18("7","2","1","4","5","10","1") = "9"
    & skf18("7","2","1","4","6","1","1") = "6"
    & skf18("7","2","1","4","6","2","1") = "6"
    & skf18("7","2","1","4","6","3","1") = "6"
    & skf18("7","2","1","4","6","4","1") = "6"
    & skf18("7","2","1","4","6","5","1") = "6"
    & skf18("7","2","1","4","6","6","1") = "6"
    & skf18("7","2","1","4","6","7","1") = "6"
    & skf18("7","2","1","4","6","8","1") = "7"
    & skf18("7","2","1","4","6","9","1") = "8"
    & skf18("7","2","1","4","6","10","1") = "9"
    & skf18("7","2","1","4","7","1","1") = "6"
    & skf18("7","2","1","4","7","2","1") = "6"
    & skf18("7","2","1","4","7","3","1") = "6"
    & skf18("7","2","1","4","7","4","1") = "6"
    & skf18("7","2","1","4","7","5","1") = "6"
    & skf18("7","2","1","4","7","6","1") = "6"
    & skf18("7","2","1","4","7","7","1") = "6"
    & skf18("7","2","1","4","7","8","1") = "7"
    & skf18("7","2","1","4","7","9","1") = "8"
    & skf18("7","2","1","4","7","10","1") = "9"
    & skf18("7","2","1","4","8","1","1") = "7"
    & skf18("7","2","1","4","8","2","1") = "7"
    & skf18("7","2","1","4","8","3","1") = "7"
    & skf18("7","2","1","4","8","4","1") = "7"
    & skf18("7","2","1","4","8","5","1") = "7"
    & skf18("7","2","1","4","8","6","1") = "7"
    & skf18("7","2","1","4","8","7","1") = "7"
    & skf18("7","2","1","4","8","8","1") = "7"
    & skf18("7","2","1","4","8","9","1") = "8"
    & skf18("7","2","1","4","8","10","1") = "9"
    & skf18("7","2","1","4","9","1","1") = "8"
    & skf18("7","2","1","4","9","2","1") = "8"
    & skf18("7","2","1","4","9","3","1") = "8"
    & skf18("7","2","1","4","9","4","1") = "8"
    & skf18("7","2","1","4","9","5","1") = "8"
    & skf18("7","2","1","4","9","6","1") = "8"
    & skf18("7","2","1","4","9","7","1") = "8"
    & skf18("7","2","1","4","9","8","1") = "8"
    & skf18("7","2","1","4","9","9","1") = "8"
    & skf18("7","2","1","4","9","10","1") = "9"
    & skf18("7","2","1","4","10","1","1") = "9"
    & skf18("7","2","1","4","10","2","1") = "9"
    & skf18("7","2","1","4","10","3","1") = "9"
    & skf18("7","2","1","4","10","4","1") = "9"
    & skf18("7","2","1","4","10","5","1") = "9"
    & skf18("7","2","1","4","10","6","1") = "9"
    & skf18("7","2","1","4","10","7","1") = "9"
    & skf18("7","2","1","4","10","8","1") = "9"
    & skf18("7","2","1","4","10","9","1") = "9"
    & skf18("7","2","1","4","10","10","1") = "9"
    & skf18("7","2","1","5","1","1","1") = "6"
    & skf18("7","2","1","5","1","2","1") = "6"
    & skf18("7","2","1","5","1","3","1") = "6"
    & skf18("7","2","1","5","1","4","1") = "6"
    & skf18("7","2","1","5","1","5","1") = "6"
    & skf18("7","2","1","5","1","6","1") = "6"
    & skf18("7","2","1","5","1","7","1") = "6"
    & skf18("7","2","1","5","1","8","1") = "7"
    & skf18("7","2","1","5","1","9","1") = "8"
    & skf18("7","2","1","5","1","10","1") = "9"
    & skf18("7","2","1","5","2","1","1") = "6"
    & skf18("7","2","1","5","2","2","1") = "6"
    & skf18("7","2","1","5","2","3","1") = "6"
    & skf18("7","2","1","5","2","4","1") = "6"
    & skf18("7","2","1","5","2","5","1") = "6"
    & skf18("7","2","1","5","2","6","1") = "6"
    & skf18("7","2","1","5","2","7","1") = "6"
    & skf18("7","2","1","5","2","8","1") = "7"
    & skf18("7","2","1","5","2","9","1") = "8"
    & skf18("7","2","1","5","2","10","1") = "9"
    & skf18("7","2","1","5","3","1","1") = "6"
    & skf18("7","2","1","5","3","2","1") = "6"
    & skf18("7","2","1","5","3","3","1") = "6"
    & skf18("7","2","1","5","3","4","1") = "6"
    & skf18("7","2","1","5","3","5","1") = "6"
    & skf18("7","2","1","5","3","6","1") = "6"
    & skf18("7","2","1","5","3","7","1") = "6"
    & skf18("7","2","1","5","3","8","1") = "7"
    & skf18("7","2","1","5","3","9","1") = "8"
    & skf18("7","2","1","5","3","10","1") = "9"
    & skf18("7","2","1","5","4","1","1") = "6"
    & skf18("7","2","1","5","4","2","1") = "6"
    & skf18("7","2","1","5","4","3","1") = "6"
    & skf18("7","2","1","5","4","4","1") = "6"
    & skf18("7","2","1","5","4","5","1") = "6"
    & skf18("7","2","1","5","4","6","1") = "6"
    & skf18("7","2","1","5","4","7","1") = "6"
    & skf18("7","2","1","5","4","8","1") = "7"
    & skf18("7","2","1","5","4","9","1") = "8"
    & skf18("7","2","1","5","4","10","1") = "9"
    & skf18("7","2","1","5","5","1","1") = "6"
    & skf18("7","2","1","5","5","2","1") = "6"
    & skf18("7","2","1","5","5","3","1") = "6"
    & skf18("7","2","1","5","5","4","1") = "6"
    & skf18("7","2","1","5","5","5","1") = "6"
    & skf18("7","2","1","5","5","6","1") = "6"
    & skf18("7","2","1","5","5","7","1") = "6"
    & skf18("7","2","1","5","5","8","1") = "7"
    & skf18("7","2","1","5","5","9","1") = "8"
    & skf18("7","2","1","5","5","10","1") = "9"
    & skf18("7","2","1","5","6","1","1") = "6"
    & skf18("7","2","1","5","6","2","1") = "6"
    & skf18("7","2","1","5","6","3","1") = "6"
    & skf18("7","2","1","5","6","4","1") = "6"
    & skf18("7","2","1","5","6","5","1") = "6"
    & skf18("7","2","1","5","6","6","1") = "6"
    & skf18("7","2","1","5","6","7","1") = "6"
    & skf18("7","2","1","5","6","8","1") = "7"
    & skf18("7","2","1","5","6","9","1") = "8"
    & skf18("7","2","1","5","6","10","1") = "9"
    & skf18("7","2","1","5","7","1","1") = "6"
    & skf18("7","2","1","5","7","2","1") = "6"
    & skf18("7","2","1","5","7","3","1") = "6"
    & skf18("7","2","1","5","7","4","1") = "6"
    & skf18("7","2","1","5","7","5","1") = "6"
    & skf18("7","2","1","5","7","6","1") = "6"
    & skf18("7","2","1","5","7","7","1") = "6"
    & skf18("7","2","1","5","7","8","1") = "7"
    & skf18("7","2","1","5","7","9","1") = "8"
    & skf18("7","2","1","5","7","10","1") = "9"
    & skf18("7","2","1","5","8","1","1") = "7"
    & skf18("7","2","1","5","8","2","1") = "7"
    & skf18("7","2","1","5","8","3","1") = "7"
    & skf18("7","2","1","5","8","4","1") = "7"
    & skf18("7","2","1","5","8","5","1") = "7"
    & skf18("7","2","1","5","8","6","1") = "7"
    & skf18("7","2","1","5","8","7","1") = "7"
    & skf18("7","2","1","5","8","8","1") = "7"
    & skf18("7","2","1","5","8","9","1") = "8"
    & skf18("7","2","1","5","8","10","1") = "9"
    & skf18("7","2","1","5","9","1","1") = "8"
    & skf18("7","2","1","5","9","2","1") = "8"
    & skf18("7","2","1","5","9","3","1") = "8"
    & skf18("7","2","1","5","9","4","1") = "8"
    & skf18("7","2","1","5","9","5","1") = "8"
    & skf18("7","2","1","5","9","6","1") = "8"
    & skf18("7","2","1","5","9","7","1") = "8"
    & skf18("7","2","1","5","9","8","1") = "8"
    & skf18("7","2","1","5","9","9","1") = "8"
    & skf18("7","2","1","5","9","10","1") = "9"
    & skf18("7","2","1","5","10","1","1") = "9"
    & skf18("7","2","1","5","10","2","1") = "9"
    & skf18("7","2","1","5","10","3","1") = "9"
    & skf18("7","2","1","5","10","4","1") = "9"
    & skf18("7","2","1","5","10","5","1") = "9"
    & skf18("7","2","1","5","10","6","1") = "9"
    & skf18("7","2","1","5","10","7","1") = "9"
    & skf18("7","2","1","5","10","8","1") = "9"
    & skf18("7","2","1","5","10","9","1") = "9"
    & skf18("7","2","1","5","10","10","1") = "9"
    & skf18("7","2","1","6","1","1","1") = "6"
    & skf18("7","2","1","6","1","2","1") = "6"
    & skf18("7","2","1","6","1","3","1") = "6"
    & skf18("7","2","1","6","1","4","1") = "6"
    & skf18("7","2","1","6","1","5","1") = "6"
    & skf18("7","2","1","6","1","6","1") = "6"
    & skf18("7","2","1","6","1","7","1") = "6"
    & skf18("7","2","1","6","1","8","1") = "7"
    & skf18("7","2","1","6","1","9","1") = "8"
    & skf18("7","2","1","6","1","10","1") = "9"
    & skf18("7","2","1","6","2","1","1") = "6"
    & skf18("7","2","1","6","2","2","1") = "6"
    & skf18("7","2","1","6","2","3","1") = "6"
    & skf18("7","2","1","6","2","4","1") = "6"
    & skf18("7","2","1","6","2","5","1") = "6"
    & skf18("7","2","1","6","2","6","1") = "6"
    & skf18("7","2","1","6","2","7","1") = "6"
    & skf18("7","2","1","6","2","8","1") = "7"
    & skf18("7","2","1","6","2","9","1") = "8"
    & skf18("7","2","1","6","2","10","1") = "9"
    & skf18("7","2","1","6","3","1","1") = "6"
    & skf18("7","2","1","6","3","2","1") = "6"
    & skf18("7","2","1","6","3","3","1") = "6"
    & skf18("7","2","1","6","3","4","1") = "6"
    & skf18("7","2","1","6","3","5","1") = "6"
    & skf18("7","2","1","6","3","6","1") = "6"
    & skf18("7","2","1","6","3","7","1") = "6"
    & skf18("7","2","1","6","3","8","1") = "7"
    & skf18("7","2","1","6","3","9","1") = "8"
    & skf18("7","2","1","6","3","10","1") = "9"
    & skf18("7","2","1","6","4","1","1") = "6"
    & skf18("7","2","1","6","4","2","1") = "6"
    & skf18("7","2","1","6","4","3","1") = "6"
    & skf18("7","2","1","6","4","4","1") = "6"
    & skf18("7","2","1","6","4","5","1") = "6"
    & skf18("7","2","1","6","4","6","1") = "6"
    & skf18("7","2","1","6","4","7","1") = "6"
    & skf18("7","2","1","6","4","8","1") = "7"
    & skf18("7","2","1","6","4","9","1") = "8"
    & skf18("7","2","1","6","4","10","1") = "9"
    & skf18("7","2","1","6","5","1","1") = "6"
    & skf18("7","2","1","6","5","2","1") = "6"
    & skf18("7","2","1","6","5","3","1") = "6"
    & skf18("7","2","1","6","5","4","1") = "6"
    & skf18("7","2","1","6","5","5","1") = "6"
    & skf18("7","2","1","6","5","6","1") = "6"
    & skf18("7","2","1","6","5","7","1") = "6"
    & skf18("7","2","1","6","5","8","1") = "7"
    & skf18("7","2","1","6","5","9","1") = "8"
    & skf18("7","2","1","6","5","10","1") = "9"
    & skf18("7","2","1","6","6","1","1") = "6"
    & skf18("7","2","1","6","6","2","1") = "6"
    & skf18("7","2","1","6","6","3","1") = "6"
    & skf18("7","2","1","6","6","4","1") = "6"
    & skf18("7","2","1","6","6","5","1") = "6"
    & skf18("7","2","1","6","6","6","1") = "6"
    & skf18("7","2","1","6","6","7","1") = "6"
    & skf18("7","2","1","6","6","8","1") = "7"
    & skf18("7","2","1","6","6","9","1") = "8"
    & skf18("7","2","1","6","6","10","1") = "9"
    & skf18("7","2","1","6","7","1","1") = "6"
    & skf18("7","2","1","6","7","2","1") = "6"
    & skf18("7","2","1","6","7","3","1") = "6"
    & skf18("7","2","1","6","7","4","1") = "6"
    & skf18("7","2","1","6","7","5","1") = "6"
    & skf18("7","2","1","6","7","6","1") = "6"
    & skf18("7","2","1","6","7","7","1") = "6"
    & skf18("7","2","1","6","7","8","1") = "7"
    & skf18("7","2","1","6","7","9","1") = "8"
    & skf18("7","2","1","6","7","10","1") = "9"
    & skf18("7","2","1","6","8","1","1") = "7"
    & skf18("7","2","1","6","8","2","1") = "7"
    & skf18("7","2","1","6","8","3","1") = "7"
    & skf18("7","2","1","6","8","4","1") = "7"
    & skf18("7","2","1","6","8","5","1") = "7"
    & skf18("7","2","1","6","8","6","1") = "7"
    & skf18("7","2","1","6","8","7","1") = "7"
    & skf18("7","2","1","6","8","8","1") = "7"
    & skf18("7","2","1","6","8","9","1") = "8"
    & skf18("7","2","1","6","8","10","1") = "9"
    & skf18("7","2","1","6","9","1","1") = "8"
    & skf18("7","2","1","6","9","2","1") = "8"
    & skf18("7","2","1","6","9","3","1") = "8"
    & skf18("7","2","1","6","9","4","1") = "8"
    & skf18("7","2","1","6","9","5","1") = "8"
    & skf18("7","2","1","6","9","6","1") = "8"
    & skf18("7","2","1","6","9","7","1") = "8"
    & skf18("7","2","1","6","9","8","1") = "8"
    & skf18("7","2","1","6","9","9","1") = "8"
    & skf18("7","2","1","6","9","10","1") = "9"
    & skf18("7","2","1","6","10","1","1") = "9"
    & skf18("7","2","1","6","10","2","1") = "9"
    & skf18("7","2","1","6","10","3","1") = "9"
    & skf18("7","2","1","6","10","4","1") = "9"
    & skf18("7","2","1","6","10","5","1") = "9"
    & skf18("7","2","1","6","10","6","1") = "9"
    & skf18("7","2","1","6","10","7","1") = "9"
    & skf18("7","2","1","6","10","8","1") = "9"
    & skf18("7","2","1","6","10","9","1") = "9"
    & skf18("7","2","1","6","10","10","1") = "9"
    & skf18("7","2","1","7","1","1","1") = "6"
    & skf18("7","2","1","7","1","2","1") = "6"
    & skf18("7","2","1","7","1","3","1") = "6"
    & skf18("7","2","1","7","1","4","1") = "6"
    & skf18("7","2","1","7","1","5","1") = "6"
    & skf18("7","2","1","7","1","6","1") = "6"
    & skf18("7","2","1","7","1","7","1") = "6"
    & skf18("7","2","1","7","1","8","1") = "7"
    & skf18("7","2","1","7","1","9","1") = "8"
    & skf18("7","2","1","7","1","10","1") = "9"
    & skf18("7","2","1","7","2","1","1") = "6"
    & skf18("7","2","1","7","2","2","1") = "6"
    & skf18("7","2","1","7","2","3","1") = "6"
    & skf18("7","2","1","7","2","4","1") = "6"
    & skf18("7","2","1","7","2","5","1") = "6"
    & skf18("7","2","1","7","2","6","1") = "6"
    & skf18("7","2","1","7","2","7","1") = "6"
    & skf18("7","2","1","7","2","8","1") = "7"
    & skf18("7","2","1","7","2","9","1") = "8"
    & skf18("7","2","1","7","2","10","1") = "9"
    & skf18("7","2","1","7","3","1","1") = "6"
    & skf18("7","2","1","7","3","2","1") = "6"
    & skf18("7","2","1","7","3","3","1") = "6"
    & skf18("7","2","1","7","3","4","1") = "6"
    & skf18("7","2","1","7","3","5","1") = "6"
    & skf18("7","2","1","7","3","6","1") = "6"
    & skf18("7","2","1","7","3","7","1") = "6"
    & skf18("7","2","1","7","3","8","1") = "7"
    & skf18("7","2","1","7","3","9","1") = "8"
    & skf18("7","2","1","7","3","10","1") = "9"
    & skf18("7","2","1","7","4","1","1") = "6"
    & skf18("7","2","1","7","4","2","1") = "6"
    & skf18("7","2","1","7","4","3","1") = "6"
    & skf18("7","2","1","7","4","4","1") = "6"
    & skf18("7","2","1","7","4","5","1") = "6"
    & skf18("7","2","1","7","4","6","1") = "6"
    & skf18("7","2","1","7","4","7","1") = "6"
    & skf18("7","2","1","7","4","8","1") = "7"
    & skf18("7","2","1","7","4","9","1") = "8"
    & skf18("7","2","1","7","4","10","1") = "9"
    & skf18("7","2","1","7","5","1","1") = "6"
    & skf18("7","2","1","7","5","2","1") = "6"
    & skf18("7","2","1","7","5","3","1") = "6"
    & skf18("7","2","1","7","5","4","1") = "6"
    & skf18("7","2","1","7","5","5","1") = "6"
    & skf18("7","2","1","7","5","6","1") = "6"
    & skf18("7","2","1","7","5","7","1") = "6"
    & skf18("7","2","1","7","5","8","1") = "7"
    & skf18("7","2","1","7","5","9","1") = "8"
    & skf18("7","2","1","7","5","10","1") = "9"
    & skf18("7","2","1","7","6","1","1") = "6"
    & skf18("7","2","1","7","6","2","1") = "6"
    & skf18("7","2","1","7","6","3","1") = "6"
    & skf18("7","2","1","7","6","4","1") = "6"
    & skf18("7","2","1","7","6","5","1") = "6"
    & skf18("7","2","1","7","6","6","1") = "6"
    & skf18("7","2","1","7","6","7","1") = "6"
    & skf18("7","2","1","7","6","8","1") = "7"
    & skf18("7","2","1","7","6","9","1") = "8"
    & skf18("7","2","1","7","6","10","1") = "9"
    & skf18("7","2","1","7","7","1","1") = "6"
    & skf18("7","2","1","7","7","2","1") = "6"
    & skf18("7","2","1","7","7","3","1") = "6"
    & skf18("7","2","1","7","7","4","1") = "6"
    & skf18("7","2","1","7","7","5","1") = "6"
    & skf18("7","2","1","7","7","6","1") = "6"
    & skf18("7","2","1","7","7","7","1") = "6"
    & skf18("7","2","1","7","7","8","1") = "7"
    & skf18("7","2","1","7","7","9","1") = "8"
    & skf18("7","2","1","7","7","10","1") = "9"
    & skf18("7","2","1","7","8","1","1") = "7"
    & skf18("7","2","1","7","8","2","1") = "7"
    & skf18("7","2","1","7","8","3","1") = "7"
    & skf18("7","2","1","7","8","4","1") = "7"
    & skf18("7","2","1","7","8","5","1") = "7"
    & skf18("7","2","1","7","8","6","1") = "7"
    & skf18("7","2","1","7","8","7","1") = "7"
    & skf18("7","2","1","7","8","8","1") = "7"
    & skf18("7","2","1","7","8","9","1") = "8"
    & skf18("7","2","1","7","8","10","1") = "9"
    & skf18("7","2","1","7","9","1","1") = "8"
    & skf18("7","2","1","7","9","2","1") = "8"
    & skf18("7","2","1","7","9","3","1") = "8"
    & skf18("7","2","1","7","9","4","1") = "8"
    & skf18("7","2","1","7","9","5","1") = "8"
    & skf18("7","2","1","7","9","6","1") = "8"
    & skf18("7","2","1","7","9","7","1") = "8"
    & skf18("7","2","1","7","9","8","1") = "8"
    & skf18("7","2","1","7","9","9","1") = "8"
    & skf18("7","2","1","7","9","10","1") = "9"
    & skf18("7","2","1","7","10","1","1") = "9"
    & skf18("7","2","1","7","10","2","1") = "9"
    & skf18("7","2","1","7","10","3","1") = "9"
    & skf18("7","2","1","7","10","4","1") = "9"
    & skf18("7","2","1","7","10","5","1") = "9"
    & skf18("7","2","1","7","10","6","1") = "9"
    & skf18("7","2","1","7","10","7","1") = "9"
    & skf18("7","2","1","7","10","8","1") = "9"
    & skf18("7","2","1","7","10","9","1") = "9"
    & skf18("7","2","1","7","10","10","1") = "9"
    & skf18("7","2","1","8","1","1","1") = "7"
    & skf18("7","2","1","8","1","2","1") = "7"
    & skf18("7","2","1","8","1","3","1") = "7"
    & skf18("7","2","1","8","1","4","1") = "7"
    & skf18("7","2","1","8","1","5","1") = "7"
    & skf18("7","2","1","8","1","6","1") = "7"
    & skf18("7","2","1","8","1","7","1") = "7"
    & skf18("7","2","1","8","1","8","1") = "7"
    & skf18("7","2","1","8","1","9","1") = "8"
    & skf18("7","2","1","8","1","10","1") = "9"
    & skf18("7","2","1","8","2","1","1") = "7"
    & skf18("7","2","1","8","2","2","1") = "7"
    & skf18("7","2","1","8","2","3","1") = "7"
    & skf18("7","2","1","8","2","4","1") = "7"
    & skf18("7","2","1","8","2","5","1") = "7"
    & skf18("7","2","1","8","2","6","1") = "7"
    & skf18("7","2","1","8","2","7","1") = "7"
    & skf18("7","2","1","8","2","8","1") = "7"
    & skf18("7","2","1","8","2","9","1") = "8"
    & skf18("7","2","1","8","2","10","1") = "9"
    & skf18("7","2","1","8","3","1","1") = "7"
    & skf18("7","2","1","8","3","2","1") = "7"
    & skf18("7","2","1","8","3","3","1") = "7"
    & skf18("7","2","1","8","3","4","1") = "7"
    & skf18("7","2","1","8","3","5","1") = "7"
    & skf18("7","2","1","8","3","6","1") = "7"
    & skf18("7","2","1","8","3","7","1") = "7"
    & skf18("7","2","1","8","3","8","1") = "7"
    & skf18("7","2","1","8","3","9","1") = "8"
    & skf18("7","2","1","8","3","10","1") = "9"
    & skf18("7","2","1","8","4","1","1") = "7"
    & skf18("7","2","1","8","4","2","1") = "7"
    & skf18("7","2","1","8","4","3","1") = "7"
    & skf18("7","2","1","8","4","4","1") = "7"
    & skf18("7","2","1","8","4","5","1") = "7"
    & skf18("7","2","1","8","4","6","1") = "7"
    & skf18("7","2","1","8","4","7","1") = "7"
    & skf18("7","2","1","8","4","8","1") = "7"
    & skf18("7","2","1","8","4","9","1") = "8"
    & skf18("7","2","1","8","4","10","1") = "9"
    & skf18("7","2","1","8","5","1","1") = "7"
    & skf18("7","2","1","8","5","2","1") = "7"
    & skf18("7","2","1","8","5","3","1") = "7"
    & skf18("7","2","1","8","5","4","1") = "7"
    & skf18("7","2","1","8","5","5","1") = "7"
    & skf18("7","2","1","8","5","6","1") = "7"
    & skf18("7","2","1","8","5","7","1") = "7"
    & skf18("7","2","1","8","5","8","1") = "7"
    & skf18("7","2","1","8","5","9","1") = "8"
    & skf18("7","2","1","8","5","10","1") = "9"
    & skf18("7","2","1","8","6","1","1") = "7"
    & skf18("7","2","1","8","6","2","1") = "7"
    & skf18("7","2","1","8","6","3","1") = "7"
    & skf18("7","2","1","8","6","4","1") = "7"
    & skf18("7","2","1","8","6","5","1") = "7"
    & skf18("7","2","1","8","6","6","1") = "7"
    & skf18("7","2","1","8","6","7","1") = "7"
    & skf18("7","2","1","8","6","8","1") = "7"
    & skf18("7","2","1","8","6","9","1") = "8"
    & skf18("7","2","1","8","6","10","1") = "9"
    & skf18("7","2","1","8","7","1","1") = "7"
    & skf18("7","2","1","8","7","2","1") = "7"
    & skf18("7","2","1","8","7","3","1") = "7"
    & skf18("7","2","1","8","7","4","1") = "7"
    & skf18("7","2","1","8","7","5","1") = "7"
    & skf18("7","2","1","8","7","6","1") = "7"
    & skf18("7","2","1","8","7","7","1") = "7"
    & skf18("7","2","1","8","7","8","1") = "7"
    & skf18("7","2","1","8","7","9","1") = "8"
    & skf18("7","2","1","8","7","10","1") = "9"
    & skf18("7","2","1","8","8","1","1") = "7"
    & skf18("7","2","1","8","8","2","1") = "7"
    & skf18("7","2","1","8","8","3","1") = "7"
    & skf18("7","2","1","8","8","4","1") = "7"
    & skf18("7","2","1","8","8","5","1") = "7"
    & skf18("7","2","1","8","8","6","1") = "7"
    & skf18("7","2","1","8","8","7","1") = "7"
    & skf18("7","2","1","8","8","8","1") = "7"
    & skf18("7","2","1","8","8","9","1") = "8"
    & skf18("7","2","1","8","8","10","1") = "9"
    & skf18("7","2","1","8","9","1","1") = "8"
    & skf18("7","2","1","8","9","2","1") = "8"
    & skf18("7","2","1","8","9","3","1") = "8"
    & skf18("7","2","1","8","9","4","1") = "8"
    & skf18("7","2","1","8","9","5","1") = "8"
    & skf18("7","2","1","8","9","6","1") = "8"
    & skf18("7","2","1","8","9","7","1") = "8"
    & skf18("7","2","1","8","9","8","1") = "8"
    & skf18("7","2","1","8","9","9","1") = "8"
    & skf18("7","2","1","8","9","10","1") = "9"
    & skf18("7","2","1","8","10","1","1") = "9"
    & skf18("7","2","1","8","10","2","1") = "9"
    & skf18("7","2","1","8","10","3","1") = "9"
    & skf18("7","2","1","8","10","4","1") = "9"
    & skf18("7","2","1","8","10","5","1") = "9"
    & skf18("7","2","1","8","10","6","1") = "9"
    & skf18("7","2","1","8","10","7","1") = "9"
    & skf18("7","2","1","8","10","8","1") = "9"
    & skf18("7","2","1","8","10","9","1") = "9"
    & skf18("7","2","1","8","10","10","1") = "9"
    & skf18("7","2","1","9","1","1","1") = "8"
    & skf18("7","2","1","9","1","2","1") = "8"
    & skf18("7","2","1","9","1","3","1") = "8"
    & skf18("7","2","1","9","1","4","1") = "8"
    & skf18("7","2","1","9","1","5","1") = "8"
    & skf18("7","2","1","9","1","6","1") = "8"
    & skf18("7","2","1","9","1","7","1") = "8"
    & skf18("7","2","1","9","1","8","1") = "8"
    & skf18("7","2","1","9","1","9","1") = "8"
    & skf18("7","2","1","9","1","10","1") = "9"
    & skf18("7","2","1","9","2","1","1") = "8"
    & skf18("7","2","1","9","2","2","1") = "8"
    & skf18("7","2","1","9","2","3","1") = "8"
    & skf18("7","2","1","9","2","4","1") = "8"
    & skf18("7","2","1","9","2","5","1") = "8"
    & skf18("7","2","1","9","2","6","1") = "8"
    & skf18("7","2","1","9","2","7","1") = "8"
    & skf18("7","2","1","9","2","8","1") = "8"
    & skf18("7","2","1","9","2","9","1") = "8"
    & skf18("7","2","1","9","2","10","1") = "9"
    & skf18("7","2","1","9","3","1","1") = "8"
    & skf18("7","2","1","9","3","2","1") = "8"
    & skf18("7","2","1","9","3","3","1") = "8"
    & skf18("7","2","1","9","3","4","1") = "8"
    & skf18("7","2","1","9","3","5","1") = "8"
    & skf18("7","2","1","9","3","6","1") = "8"
    & skf18("7","2","1","9","3","7","1") = "8"
    & skf18("7","2","1","9","3","8","1") = "8"
    & skf18("7","2","1","9","3","9","1") = "8"
    & skf18("7","2","1","9","3","10","1") = "9"
    & skf18("7","2","1","9","4","1","1") = "8"
    & skf18("7","2","1","9","4","2","1") = "8"
    & skf18("7","2","1","9","4","3","1") = "8"
    & skf18("7","2","1","9","4","4","1") = "8"
    & skf18("7","2","1","9","4","5","1") = "8"
    & skf18("7","2","1","9","4","6","1") = "8"
    & skf18("7","2","1","9","4","7","1") = "8"
    & skf18("7","2","1","9","4","8","1") = "8"
    & skf18("7","2","1","9","4","9","1") = "8"
    & skf18("7","2","1","9","4","10","1") = "9"
    & skf18("7","2","1","9","5","1","1") = "8"
    & skf18("7","2","1","9","5","2","1") = "8"
    & skf18("7","2","1","9","5","3","1") = "8"
    & skf18("7","2","1","9","5","4","1") = "8"
    & skf18("7","2","1","9","5","5","1") = "8"
    & skf18("7","2","1","9","5","6","1") = "8"
    & skf18("7","2","1","9","5","7","1") = "8"
    & skf18("7","2","1","9","5","8","1") = "8"
    & skf18("7","2","1","9","5","9","1") = "8"
    & skf18("7","2","1","9","5","10","1") = "9"
    & skf18("7","2","1","9","6","1","1") = "8"
    & skf18("7","2","1","9","6","2","1") = "8"
    & skf18("7","2","1","9","6","3","1") = "8"
    & skf18("7","2","1","9","6","4","1") = "8"
    & skf18("7","2","1","9","6","5","1") = "8"
    & skf18("7","2","1","9","6","6","1") = "8"
    & skf18("7","2","1","9","6","7","1") = "8"
    & skf18("7","2","1","9","6","8","1") = "8"
    & skf18("7","2","1","9","6","9","1") = "8"
    & skf18("7","2","1","9","6","10","1") = "9"
    & skf18("7","2","1","9","7","1","1") = "8"
    & skf18("7","2","1","9","7","2","1") = "8"
    & skf18("7","2","1","9","7","3","1") = "8"
    & skf18("7","2","1","9","7","4","1") = "8"
    & skf18("7","2","1","9","7","5","1") = "8"
    & skf18("7","2","1","9","7","6","1") = "8"
    & skf18("7","2","1","9","7","7","1") = "8"
    & skf18("7","2","1","9","7","8","1") = "8"
    & skf18("7","2","1","9","7","9","1") = "8"
    & skf18("7","2","1","9","7","10","1") = "9"
    & skf18("7","2","1","9","8","1","1") = "8"
    & skf18("7","2","1","9","8","2","1") = "8"
    & skf18("7","2","1","9","8","3","1") = "8"
    & skf18("7","2","1","9","8","4","1") = "8"
    & skf18("7","2","1","9","8","5","1") = "8"
    & skf18("7","2","1","9","8","6","1") = "8"
    & skf18("7","2","1","9","8","7","1") = "8"
    & skf18("7","2","1","9","8","8","1") = "8"
    & skf18("7","2","1","9","8","9","1") = "8"
    & skf18("7","2","1","9","8","10","1") = "9"
    & skf18("7","2","1","9","9","1","1") = "8"
    & skf18("7","2","1","9","9","2","1") = "8"
    & skf18("7","2","1","9","9","3","1") = "8"
    & skf18("7","2","1","9","9","4","1") = "8"
    & skf18("7","2","1","9","9","5","1") = "8"
    & skf18("7","2","1","9","9","6","1") = "8"
    & skf18("7","2","1","9","9","7","1") = "8"
    & skf18("7","2","1","9","9","8","1") = "8"
    & skf18("7","2","1","9","9","9","1") = "8"
    & skf18("7","2","1","9","9","10","1") = "9"
    & skf18("7","2","1","9","10","1","1") = "9"
    & skf18("7","2","1","9","10","2","1") = "9"
    & skf18("7","2","1","9","10","3","1") = "9"
    & skf18("7","2","1","9","10","4","1") = "9"
    & skf18("7","2","1","9","10","5","1") = "9"
    & skf18("7","2","1","9","10","6","1") = "9"
    & skf18("7","2","1","9","10","7","1") = "9"
    & skf18("7","2","1","9","10","8","1") = "9"
    & skf18("7","2","1","9","10","9","1") = "9"
    & skf18("7","2","1","9","10","10","1") = "9"
    & skf18("7","2","1","10","1","1","1") = "9"
    & skf18("7","2","1","10","1","2","1") = "9"
    & skf18("7","2","1","10","1","3","1") = "9"
    & skf18("7","2","1","10","1","4","1") = "9"
    & skf18("7","2","1","10","1","5","1") = "9"
    & skf18("7","2","1","10","1","6","1") = "9"
    & skf18("7","2","1","10","1","7","1") = "9"
    & skf18("7","2","1","10","1","8","1") = "9"
    & skf18("7","2","1","10","1","9","1") = "9"
    & skf18("7","2","1","10","1","10","1") = "9"
    & skf18("7","2","1","10","2","1","1") = "9"
    & skf18("7","2","1","10","2","2","1") = "9"
    & skf18("7","2","1","10","2","3","1") = "9"
    & skf18("7","2","1","10","2","4","1") = "9"
    & skf18("7","2","1","10","2","5","1") = "9"
    & skf18("7","2","1","10","2","6","1") = "9"
    & skf18("7","2","1","10","2","7","1") = "9"
    & skf18("7","2","1","10","2","8","1") = "9"
    & skf18("7","2","1","10","2","9","1") = "9"
    & skf18("7","2","1","10","2","10","1") = "9"
    & skf18("7","2","1","10","3","1","1") = "9"
    & skf18("7","2","1","10","3","2","1") = "9"
    & skf18("7","2","1","10","3","3","1") = "9"
    & skf18("7","2","1","10","3","4","1") = "9"
    & skf18("7","2","1","10","3","5","1") = "9"
    & skf18("7","2","1","10","3","6","1") = "9"
    & skf18("7","2","1","10","3","7","1") = "9"
    & skf18("7","2","1","10","3","8","1") = "9"
    & skf18("7","2","1","10","3","9","1") = "9"
    & skf18("7","2","1","10","3","10","1") = "9"
    & skf18("7","2","1","10","4","1","1") = "9"
    & skf18("7","2","1","10","4","2","1") = "9"
    & skf18("7","2","1","10","4","3","1") = "9"
    & skf18("7","2","1","10","4","4","1") = "9"
    & skf18("7","2","1","10","4","5","1") = "9"
    & skf18("7","2","1","10","4","6","1") = "9"
    & skf18("7","2","1","10","4","7","1") = "9"
    & skf18("7","2","1","10","4","8","1") = "9"
    & skf18("7","2","1","10","4","9","1") = "9"
    & skf18("7","2","1","10","4","10","1") = "9"
    & skf18("7","2","1","10","5","1","1") = "9"
    & skf18("7","2","1","10","5","2","1") = "9"
    & skf18("7","2","1","10","5","3","1") = "9"
    & skf18("7","2","1","10","5","4","1") = "9"
    & skf18("7","2","1","10","5","5","1") = "9"
    & skf18("7","2","1","10","5","6","1") = "9"
    & skf18("7","2","1","10","5","7","1") = "9"
    & skf18("7","2","1","10","5","8","1") = "9"
    & skf18("7","2","1","10","5","9","1") = "9"
    & skf18("7","2","1","10","5","10","1") = "9"
    & skf18("7","2","1","10","6","1","1") = "9"
    & skf18("7","2","1","10","6","2","1") = "9"
    & skf18("7","2","1","10","6","3","1") = "9"
    & skf18("7","2","1","10","6","4","1") = "9"
    & skf18("7","2","1","10","6","5","1") = "9"
    & skf18("7","2","1","10","6","6","1") = "9"
    & skf18("7","2","1","10","6","7","1") = "9"
    & skf18("7","2","1","10","6","8","1") = "9"
    & skf18("7","2","1","10","6","9","1") = "9"
    & skf18("7","2","1","10","6","10","1") = "9"
    & skf18("7","2","1","10","7","1","1") = "9"
    & skf18("7","2","1","10","7","2","1") = "9"
    & skf18("7","2","1","10","7","3","1") = "9"
    & skf18("7","2","1","10","7","4","1") = "9"
    & skf18("7","2","1","10","7","5","1") = "9"
    & skf18("7","2","1","10","7","6","1") = "9"
    & skf18("7","2","1","10","7","7","1") = "9"
    & skf18("7","2","1","10","7","8","1") = "9"
    & skf18("7","2","1","10","7","9","1") = "9"
    & skf18("7","2","1","10","7","10","1") = "9"
    & skf18("7","2","1","10","8","1","1") = "9"
    & skf18("7","2","1","10","8","2","1") = "9"
    & skf18("7","2","1","10","8","3","1") = "9"
    & skf18("7","2","1","10","8","4","1") = "9"
    & skf18("7","2","1","10","8","5","1") = "9"
    & skf18("7","2","1","10","8","6","1") = "9"
    & skf18("7","2","1","10","8","7","1") = "9"
    & skf18("7","2","1","10","8","8","1") = "9"
    & skf18("7","2","1","10","8","9","1") = "9"
    & skf18("7","2","1","10","8","10","1") = "9"
    & skf18("7","2","1","10","9","1","1") = "9"
    & skf18("7","2","1","10","9","2","1") = "9"
    & skf18("7","2","1","10","9","3","1") = "9"
    & skf18("7","2","1","10","9","4","1") = "9"
    & skf18("7","2","1","10","9","5","1") = "9"
    & skf18("7","2","1","10","9","6","1") = "9"
    & skf18("7","2","1","10","9","7","1") = "9"
    & skf18("7","2","1","10","9","8","1") = "9"
    & skf18("7","2","1","10","9","9","1") = "9"
    & skf18("7","2","1","10","9","10","1") = "9"
    & skf18("7","2","1","10","10","1","1") = "9"
    & skf18("7","2","1","10","10","2","1") = "9"
    & skf18("7","2","1","10","10","3","1") = "9"
    & skf18("7","2","1","10","10","4","1") = "9"
    & skf18("7","2","1","10","10","5","1") = "9"
    & skf18("7","2","1","10","10","6","1") = "9"
    & skf18("7","2","1","10","10","7","1") = "9"
    & skf18("7","2","1","10","10","8","1") = "9"
    & skf18("7","2","1","10","10","9","1") = "9"
    & skf18("7","2","1","10","10","10","1") = "9"
    & skf18("7","2","2","1","1","1","1") = "6"
    & skf18("7","2","2","1","1","2","1") = "6"
    & skf18("7","2","2","1","1","3","1") = "6"
    & skf18("7","2","2","1","1","4","1") = "6"
    & skf18("7","2","2","1","1","5","1") = "6"
    & skf18("7","2","2","1","1","6","1") = "6"
    & skf18("7","2","2","1","1","7","1") = "6"
    & skf18("7","2","2","1","1","8","1") = "7"
    & skf18("7","2","2","1","1","9","1") = "8"
    & skf18("7","2","2","1","1","10","1") = "9"
    & skf18("7","2","2","1","2","1","1") = "6"
    & skf18("7","2","2","1","2","2","1") = "6"
    & skf18("7","2","2","1","2","3","1") = "6"
    & skf18("7","2","2","1","2","4","1") = "6"
    & skf18("7","2","2","1","2","5","1") = "6"
    & skf18("7","2","2","1","2","6","1") = "6"
    & skf18("7","2","2","1","2","7","1") = "6"
    & skf18("7","2","2","1","2","8","1") = "7"
    & skf18("7","2","2","1","2","9","1") = "8"
    & skf18("7","2","2","1","2","10","1") = "9"
    & skf18("7","2","2","1","3","1","1") = "6"
    & skf18("7","2","2","1","3","2","1") = "6"
    & skf18("7","2","2","1","3","3","1") = "6"
    & skf18("7","2","2","1","3","4","1") = "6"
    & skf18("7","2","2","1","3","5","1") = "6"
    & skf18("7","2","2","1","3","6","1") = "6"
    & skf18("7","2","2","1","3","7","1") = "6"
    & skf18("7","2","2","1","3","8","1") = "7"
    & skf18("7","2","2","1","3","9","1") = "8"
    & skf18("7","2","2","1","3","10","1") = "9"
    & skf18("7","2","2","1","4","1","1") = "6"
    & skf18("7","2","2","1","4","2","1") = "6"
    & skf18("7","2","2","1","4","3","1") = "6"
    & skf18("7","2","2","1","4","4","1") = "6"
    & skf18("7","2","2","1","4","5","1") = "6"
    & skf18("7","2","2","1","4","6","1") = "6"
    & skf18("7","2","2","1","4","7","1") = "6"
    & skf18("7","2","2","1","4","8","1") = "7"
    & skf18("7","2","2","1","4","9","1") = "8"
    & skf18("7","2","2","1","4","10","1") = "9"
    & skf18("7","2","2","1","5","1","1") = "6"
    & skf18("7","2","2","1","5","2","1") = "6"
    & skf18("7","2","2","1","5","3","1") = "6"
    & skf18("7","2","2","1","5","4","1") = "6"
    & skf18("7","2","2","1","5","5","1") = "6"
    & skf18("7","2","2","1","5","6","1") = "6"
    & skf18("7","2","2","1","5","7","1") = "6"
    & skf18("7","2","2","1","5","8","1") = "7"
    & skf18("7","2","2","1","5","9","1") = "8"
    & skf18("7","2","2","1","5","10","1") = "9"
    & skf18("7","2","2","1","6","1","1") = "6"
    & skf18("7","2","2","1","6","2","1") = "6"
    & skf18("7","2","2","1","6","3","1") = "6"
    & skf18("7","2","2","1","6","4","1") = "6"
    & skf18("7","2","2","1","6","5","1") = "6"
    & skf18("7","2","2","1","6","6","1") = "6"
    & skf18("7","2","2","1","6","7","1") = "6"
    & skf18("7","2","2","1","6","8","1") = "7"
    & skf18("7","2","2","1","6","9","1") = "8"
    & skf18("7","2","2","1","6","10","1") = "9"
    & skf18("7","2","2","1","7","1","1") = "6"
    & skf18("7","2","2","1","7","2","1") = "6"
    & skf18("7","2","2","1","7","3","1") = "6"
    & skf18("7","2","2","1","7","4","1") = "6"
    & skf18("7","2","2","1","7","5","1") = "6"
    & skf18("7","2","2","1","7","6","1") = "6"
    & skf18("7","2","2","1","7","7","1") = "6"
    & skf18("7","2","2","1","7","8","1") = "7"
    & skf18("7","2","2","1","7","9","1") = "8"
    & skf18("7","2","2","1","7","10","1") = "9"
    & skf18("7","2","2","1","8","1","1") = "7"
    & skf18("7","2","2","1","8","2","1") = "7"
    & skf18("7","2","2","1","8","3","1") = "7"
    & skf18("7","2","2","1","8","4","1") = "7"
    & skf18("7","2","2","1","8","5","1") = "7"
    & skf18("7","2","2","1","8","6","1") = "7"
    & skf18("7","2","2","1","8","7","1") = "7"
    & skf18("7","2","2","1","8","8","1") = "7"
    & skf18("7","2","2","1","8","9","1") = "8"
    & skf18("7","2","2","1","8","10","1") = "9"
    & skf18("7","2","2","1","9","1","1") = "8"
    & skf18("7","2","2","1","9","2","1") = "8"
    & skf18("7","2","2","1","9","3","1") = "8"
    & skf18("7","2","2","1","9","4","1") = "8"
    & skf18("7","2","2","1","9","5","1") = "8"
    & skf18("7","2","2","1","9","6","1") = "8"
    & skf18("7","2","2","1","9","7","1") = "8"
    & skf18("7","2","2","1","9","8","1") = "8"
    & skf18("7","2","2","1","9","9","1") = "8"
    & skf18("7","2","2","1","9","10","1") = "9"
    & skf18("7","2","2","1","10","1","1") = "9"
    & skf18("7","2","2","1","10","2","1") = "9"
    & skf18("7","2","2","1","10","3","1") = "9"
    & skf18("7","2","2","1","10","4","1") = "9"
    & skf18("7","2","2","1","10","5","1") = "9"
    & skf18("7","2","2","1","10","6","1") = "9"
    & skf18("7","2","2","1","10","7","1") = "9"
    & skf18("7","2","2","1","10","8","1") = "9"
    & skf18("7","2","2","1","10","9","1") = "9"
    & skf18("7","2","2","1","10","10","1") = "9"
    & skf18("7","2","2","2","1","1","1") = "6"
    & skf18("7","2","2","2","1","2","1") = "6"
    & skf18("7","2","2","2","1","3","1") = "6"
    & skf18("7","2","2","2","1","4","1") = "6"
    & skf18("7","2","2","2","1","5","1") = "6"
    & skf18("7","2","2","2","1","6","1") = "6"
    & skf18("7","2","2","2","1","7","1") = "6"
    & skf18("7","2","2","2","1","8","1") = "7"
    & skf18("7","2","2","2","1","9","1") = "8"
    & skf18("7","2","2","2","1","10","1") = "9"
    & skf18("7","2","2","2","2","1","1") = "6"
    & skf18("7","2","2","2","2","2","1") = "6"
    & skf18("7","2","2","2","2","3","1") = "6"
    & skf18("7","2","2","2","2","4","1") = "6"
    & skf18("7","2","2","2","2","5","1") = "6"
    & skf18("7","2","2","2","2","6","1") = "6"
    & skf18("7","2","2","2","2","7","1") = "6"
    & skf18("7","2","2","2","2","8","1") = "7"
    & skf18("7","2","2","2","2","9","1") = "8"
    & skf18("7","2","2","2","2","10","1") = "9"
    & skf18("7","2","2","2","3","1","1") = "6"
    & skf18("7","2","2","2","3","2","1") = "6"
    & skf18("7","2","2","2","3","3","1") = "6"
    & skf18("7","2","2","2","3","4","1") = "6"
    & skf18("7","2","2","2","3","5","1") = "6"
    & skf18("7","2","2","2","3","6","1") = "6"
    & skf18("7","2","2","2","3","7","1") = "6"
    & skf18("7","2","2","2","3","8","1") = "7"
    & skf18("7","2","2","2","3","9","1") = "8"
    & skf18("7","2","2","2","3","10","1") = "9"
    & skf18("7","2","2","2","4","1","1") = "6"
    & skf18("7","2","2","2","4","2","1") = "6"
    & skf18("7","2","2","2","4","3","1") = "6"
    & skf18("7","2","2","2","4","4","1") = "6"
    & skf18("7","2","2","2","4","5","1") = "6"
    & skf18("7","2","2","2","4","6","1") = "6"
    & skf18("7","2","2","2","4","7","1") = "6"
    & skf18("7","2","2","2","4","8","1") = "7"
    & skf18("7","2","2","2","4","9","1") = "8"
    & skf18("7","2","2","2","4","10","1") = "9"
    & skf18("7","2","2","2","5","1","1") = "6"
    & skf18("7","2","2","2","5","2","1") = "6"
    & skf18("7","2","2","2","5","3","1") = "6"
    & skf18("7","2","2","2","5","4","1") = "6"
    & skf18("7","2","2","2","5","5","1") = "6"
    & skf18("7","2","2","2","5","6","1") = "6"
    & skf18("7","2","2","2","5","7","1") = "6"
    & skf18("7","2","2","2","5","8","1") = "7"
    & skf18("7","2","2","2","5","9","1") = "8"
    & skf18("7","2","2","2","5","10","1") = "9"
    & skf18("7","2","2","2","6","1","1") = "6"
    & skf18("7","2","2","2","6","2","1") = "6"
    & skf18("7","2","2","2","6","3","1") = "6"
    & skf18("7","2","2","2","6","4","1") = "6"
    & skf18("7","2","2","2","6","5","1") = "6"
    & skf18("7","2","2","2","6","6","1") = "6"
    & skf18("7","2","2","2","6","7","1") = "6"
    & skf18("7","2","2","2","6","8","1") = "7"
    & skf18("7","2","2","2","6","9","1") = "8"
    & skf18("7","2","2","2","6","10","1") = "9"
    & skf18("7","2","2","2","7","1","1") = "6"
    & skf18("7","2","2","2","7","2","1") = "6"
    & skf18("7","2","2","2","7","3","1") = "6"
    & skf18("7","2","2","2","7","4","1") = "6"
    & skf18("7","2","2","2","7","5","1") = "6"
    & skf18("7","2","2","2","7","6","1") = "6"
    & skf18("7","2","2","2","7","7","1") = "6"
    & skf18("7","2","2","2","7","8","1") = "7"
    & skf18("7","2","2","2","7","9","1") = "8"
    & skf18("7","2","2","2","7","10","1") = "9"
    & skf18("7","2","2","2","8","1","1") = "7"
    & skf18("7","2","2","2","8","2","1") = "7"
    & skf18("7","2","2","2","8","3","1") = "7"
    & skf18("7","2","2","2","8","4","1") = "7"
    & skf18("7","2","2","2","8","5","1") = "7"
    & skf18("7","2","2","2","8","6","1") = "7"
    & skf18("7","2","2","2","8","7","1") = "7"
    & skf18("7","2","2","2","8","8","1") = "7"
    & skf18("7","2","2","2","8","9","1") = "8"
    & skf18("7","2","2","2","8","10","1") = "9"
    & skf18("7","2","2","2","9","1","1") = "8"
    & skf18("7","2","2","2","9","2","1") = "8"
    & skf18("7","2","2","2","9","3","1") = "8"
    & skf18("7","2","2","2","9","4","1") = "8"
    & skf18("7","2","2","2","9","5","1") = "8"
    & skf18("7","2","2","2","9","6","1") = "8"
    & skf18("7","2","2","2","9","7","1") = "8"
    & skf18("7","2","2","2","9","8","1") = "8"
    & skf18("7","2","2","2","9","9","1") = "8"
    & skf18("7","2","2","2","9","10","1") = "9"
    & skf18("7","2","2","2","10","1","1") = "9"
    & skf18("7","2","2","2","10","2","1") = "9"
    & skf18("7","2","2","2","10","3","1") = "9"
    & skf18("7","2","2","2","10","4","1") = "9"
    & skf18("7","2","2","2","10","5","1") = "9"
    & skf18("7","2","2","2","10","6","1") = "9"
    & skf18("7","2","2","2","10","7","1") = "9"
    & skf18("7","2","2","2","10","8","1") = "9"
    & skf18("7","2","2","2","10","9","1") = "9"
    & skf18("7","2","2","2","10","10","1") = "9"
    & skf18("7","2","2","3","1","1","1") = "6"
    & skf18("7","2","2","3","1","2","1") = "6"
    & skf18("7","2","2","3","1","3","1") = "6"
    & skf18("7","2","2","3","1","4","1") = "6"
    & skf18("7","2","2","3","1","5","1") = "6"
    & skf18("7","2","2","3","1","6","1") = "6"
    & skf18("7","2","2","3","1","7","1") = "6"
    & skf18("7","2","2","3","1","8","1") = "7"
    & skf18("7","2","2","3","1","9","1") = "8"
    & skf18("7","2","2","3","1","10","1") = "9"
    & skf18("7","2","2","3","2","1","1") = "6"
    & skf18("7","2","2","3","2","2","1") = "6"
    & skf18("7","2","2","3","2","3","1") = "6"
    & skf18("7","2","2","3","2","4","1") = "6"
    & skf18("7","2","2","3","2","5","1") = "6"
    & skf18("7","2","2","3","2","6","1") = "6"
    & skf18("7","2","2","3","2","7","1") = "6"
    & skf18("7","2","2","3","2","8","1") = "7"
    & skf18("7","2","2","3","2","9","1") = "8"
    & skf18("7","2","2","3","2","10","1") = "9"
    & skf18("7","2","2","3","3","1","1") = "6"
    & skf18("7","2","2","3","3","2","1") = "6"
    & skf18("7","2","2","3","3","3","1") = "6"
    & skf18("7","2","2","3","3","4","1") = "6"
    & skf18("7","2","2","3","3","5","1") = "6"
    & skf18("7","2","2","3","3","6","1") = "6"
    & skf18("7","2","2","3","3","7","1") = "6"
    & skf18("7","2","2","3","3","8","1") = "7"
    & skf18("7","2","2","3","3","9","1") = "8"
    & skf18("7","2","2","3","3","10","1") = "9"
    & skf18("7","2","2","3","4","1","1") = "6"
    & skf18("7","2","2","3","4","2","1") = "6"
    & skf18("7","2","2","3","4","3","1") = "6"
    & skf18("7","2","2","3","4","4","1") = "6"
    & skf18("7","2","2","3","4","5","1") = "6"
    & skf18("7","2","2","3","4","6","1") = "6"
    & skf18("7","2","2","3","4","7","1") = "6"
    & skf18("7","2","2","3","4","8","1") = "7"
    & skf18("7","2","2","3","4","9","1") = "8"
    & skf18("7","2","2","3","4","10","1") = "9"
    & skf18("7","2","2","3","5","1","1") = "6"
    & skf18("7","2","2","3","5","2","1") = "6"
    & skf18("7","2","2","3","5","3","1") = "6"
    & skf18("7","2","2","3","5","4","1") = "6"
    & skf18("7","2","2","3","5","5","1") = "6"
    & skf18("7","2","2","3","5","6","1") = "6"
    & skf18("7","2","2","3","5","7","1") = "6"
    & skf18("7","2","2","3","5","8","1") = "7"
    & skf18("7","2","2","3","5","9","1") = "8"
    & skf18("7","2","2","3","5","10","1") = "9"
    & skf18("7","2","2","3","6","1","1") = "6"
    & skf18("7","2","2","3","6","2","1") = "6"
    & skf18("7","2","2","3","6","3","1") = "6"
    & skf18("7","2","2","3","6","4","1") = "6"
    & skf18("7","2","2","3","6","5","1") = "6"
    & skf18("7","2","2","3","6","6","1") = "6"
    & skf18("7","2","2","3","6","7","1") = "6"
    & skf18("7","2","2","3","6","8","1") = "7"
    & skf18("7","2","2","3","6","9","1") = "8"
    & skf18("7","2","2","3","6","10","1") = "9"
    & skf18("7","2","2","3","7","1","1") = "6"
    & skf18("7","2","2","3","7","2","1") = "6"
    & skf18("7","2","2","3","7","3","1") = "6"
    & skf18("7","2","2","3","7","4","1") = "6"
    & skf18("7","2","2","3","7","5","1") = "6"
    & skf18("7","2","2","3","7","6","1") = "6"
    & skf18("7","2","2","3","7","7","1") = "6"
    & skf18("7","2","2","3","7","8","1") = "7"
    & skf18("7","2","2","3","7","9","1") = "8"
    & skf18("7","2","2","3","7","10","1") = "9"
    & skf18("7","2","2","3","8","1","1") = "7"
    & skf18("7","2","2","3","8","2","1") = "7"
    & skf18("7","2","2","3","8","3","1") = "7"
    & skf18("7","2","2","3","8","4","1") = "7"
    & skf18("7","2","2","3","8","5","1") = "7"
    & skf18("7","2","2","3","8","6","1") = "7"
    & skf18("7","2","2","3","8","7","1") = "7"
    & skf18("7","2","2","3","8","8","1") = "7"
    & skf18("7","2","2","3","8","9","1") = "8"
    & skf18("7","2","2","3","8","10","1") = "9"
    & skf18("7","2","2","3","9","1","1") = "8"
    & skf18("7","2","2","3","9","2","1") = "8"
    & skf18("7","2","2","3","9","3","1") = "8"
    & skf18("7","2","2","3","9","4","1") = "8"
    & skf18("7","2","2","3","9","5","1") = "8"
    & skf18("7","2","2","3","9","6","1") = "8"
    & skf18("7","2","2","3","9","7","1") = "8"
    & skf18("7","2","2","3","9","8","1") = "8"
    & skf18("7","2","2","3","9","9","1") = "8"
    & skf18("7","2","2","3","9","10","1") = "9"
    & skf18("7","2","2","3","10","1","1") = "9"
    & skf18("7","2","2","3","10","2","1") = "9"
    & skf18("7","2","2","3","10","3","1") = "9"
    & skf18("7","2","2","3","10","4","1") = "9"
    & skf18("7","2","2","3","10","5","1") = "9"
    & skf18("7","2","2","3","10","6","1") = "9"
    & skf18("7","2","2","3","10","7","1") = "9"
    & skf18("7","2","2","3","10","8","1") = "9"
    & skf18("7","2","2","3","10","9","1") = "9"
    & skf18("7","2","2","3","10","10","1") = "9"
    & skf18("7","2","2","4","1","1","1") = "6"
    & skf18("7","2","2","4","1","2","1") = "6"
    & skf18("7","2","2","4","1","3","1") = "6"
    & skf18("7","2","2","4","1","4","1") = "6"
    & skf18("7","2","2","4","1","5","1") = "6"
    & skf18("7","2","2","4","1","6","1") = "6"
    & skf18("7","2","2","4","1","7","1") = "6"
    & skf18("7","2","2","4","1","8","1") = "7"
    & skf18("7","2","2","4","1","9","1") = "8"
    & skf18("7","2","2","4","1","10","1") = "9"
    & skf18("7","2","2","4","2","1","1") = "6"
    & skf18("7","2","2","4","2","2","1") = "6"
    & skf18("7","2","2","4","2","3","1") = "6"
    & skf18("7","2","2","4","2","4","1") = "6"
    & skf18("7","2","2","4","2","5","1") = "6"
    & skf18("7","2","2","4","2","6","1") = "6"
    & skf18("7","2","2","4","2","7","1") = "6"
    & skf18("7","2","2","4","2","8","1") = "7"
    & skf18("7","2","2","4","2","9","1") = "8"
    & skf18("7","2","2","4","2","10","1") = "9"
    & skf18("7","2","2","4","3","1","1") = "6"
    & skf18("7","2","2","4","3","2","1") = "6"
    & skf18("7","2","2","4","3","3","1") = "6"
    & skf18("7","2","2","4","3","4","1") = "6"
    & skf18("7","2","2","4","3","5","1") = "6"
    & skf18("7","2","2","4","3","6","1") = "6"
    & skf18("7","2","2","4","3","7","1") = "6"
    & skf18("7","2","2","4","3","8","1") = "7"
    & skf18("7","2","2","4","3","9","1") = "8"
    & skf18("7","2","2","4","3","10","1") = "9"
    & skf18("7","2","2","4","4","1","1") = "6"
    & skf18("7","2","2","4","4","2","1") = "6"
    & skf18("7","2","2","4","4","3","1") = "6"
    & skf18("7","2","2","4","4","4","1") = "6"
    & skf18("7","2","2","4","4","5","1") = "6"
    & skf18("7","2","2","4","4","6","1") = "6"
    & skf18("7","2","2","4","4","7","1") = "6"
    & skf18("7","2","2","4","4","8","1") = "7"
    & skf18("7","2","2","4","4","9","1") = "8"
    & skf18("7","2","2","4","4","10","1") = "9"
    & skf18("7","2","2","4","5","1","1") = "6"
    & skf18("7","2","2","4","5","2","1") = "6"
    & skf18("7","2","2","4","5","3","1") = "6"
    & skf18("7","2","2","4","5","4","1") = "6"
    & skf18("7","2","2","4","5","5","1") = "6"
    & skf18("7","2","2","4","5","6","1") = "6"
    & skf18("7","2","2","4","5","7","1") = "6"
    & skf18("7","2","2","4","5","8","1") = "7"
    & skf18("7","2","2","4","5","9","1") = "8"
    & skf18("7","2","2","4","5","10","1") = "9"
    & skf18("7","2","2","4","6","1","1") = "6"
    & skf18("7","2","2","4","6","2","1") = "6"
    & skf18("7","2","2","4","6","3","1") = "6"
    & skf18("7","2","2","4","6","4","1") = "6"
    & skf18("7","2","2","4","6","5","1") = "6"
    & skf18("7","2","2","4","6","6","1") = "6"
    & skf18("7","2","2","4","6","7","1") = "6"
    & skf18("7","2","2","4","6","8","1") = "7"
    & skf18("7","2","2","4","6","9","1") = "8"
    & skf18("7","2","2","4","6","10","1") = "9"
    & skf18("7","2","2","4","7","1","1") = "6"
    & skf18("7","2","2","4","7","2","1") = "6"
    & skf18("7","2","2","4","7","3","1") = "6"
    & skf18("7","2","2","4","7","4","1") = "6"
    & skf18("7","2","2","4","7","5","1") = "6"
    & skf18("7","2","2","4","7","6","1") = "6"
    & skf18("7","2","2","4","7","7","1") = "6"
    & skf18("7","2","2","4","7","8","1") = "7"
    & skf18("7","2","2","4","7","9","1") = "8"
    & skf18("7","2","2","4","7","10","1") = "9"
    & skf18("7","2","2","4","8","1","1") = "7"
    & skf18("7","2","2","4","8","2","1") = "7"
    & skf18("7","2","2","4","8","3","1") = "7"
    & skf18("7","2","2","4","8","4","1") = "7"
    & skf18("7","2","2","4","8","5","1") = "7"
    & skf18("7","2","2","4","8","6","1") = "7"
    & skf18("7","2","2","4","8","7","1") = "7"
    & skf18("7","2","2","4","8","8","1") = "7"
    & skf18("7","2","2","4","8","9","1") = "8"
    & skf18("7","2","2","4","8","10","1") = "9"
    & skf18("7","2","2","4","9","1","1") = "8"
    & skf18("7","2","2","4","9","2","1") = "8"
    & skf18("7","2","2","4","9","3","1") = "8"
    & skf18("7","2","2","4","9","4","1") = "8"
    & skf18("7","2","2","4","9","5","1") = "8"
    & skf18("7","2","2","4","9","6","1") = "8"
    & skf18("7","2","2","4","9","7","1") = "8"
    & skf18("7","2","2","4","9","8","1") = "8"
    & skf18("7","2","2","4","9","9","1") = "8"
    & skf18("7","2","2","4","9","10","1") = "9"
    & skf18("7","2","2","4","10","1","1") = "9"
    & skf18("7","2","2","4","10","2","1") = "9"
    & skf18("7","2","2","4","10","3","1") = "9"
    & skf18("7","2","2","4","10","4","1") = "9"
    & skf18("7","2","2","4","10","5","1") = "9"
    & skf18("7","2","2","4","10","6","1") = "9"
    & skf18("7","2","2","4","10","7","1") = "9"
    & skf18("7","2","2","4","10","8","1") = "9"
    & skf18("7","2","2","4","10","9","1") = "9"
    & skf18("7","2","2","4","10","10","1") = "9"
    & skf18("7","2","2","5","1","1","1") = "6"
    & skf18("7","2","2","5","1","2","1") = "6"
    & skf18("7","2","2","5","1","3","1") = "6"
    & skf18("7","2","2","5","1","4","1") = "6"
    & skf18("7","2","2","5","1","5","1") = "6"
    & skf18("7","2","2","5","1","6","1") = "6"
    & skf18("7","2","2","5","1","7","1") = "6"
    & skf18("7","2","2","5","1","8","1") = "7"
    & skf18("7","2","2","5","1","9","1") = "8"
    & skf18("7","2","2","5","1","10","1") = "9"
    & skf18("7","2","2","5","2","1","1") = "6"
    & skf18("7","2","2","5","2","2","1") = "6"
    & skf18("7","2","2","5","2","3","1") = "6"
    & skf18("7","2","2","5","2","4","1") = "6"
    & skf18("7","2","2","5","2","5","1") = "6"
    & skf18("7","2","2","5","2","6","1") = "6"
    & skf18("7","2","2","5","2","7","1") = "6"
    & skf18("7","2","2","5","2","8","1") = "7"
    & skf18("7","2","2","5","2","9","1") = "8"
    & skf18("7","2","2","5","2","10","1") = "9"
    & skf18("7","2","2","5","3","1","1") = "6"
    & skf18("7","2","2","5","3","2","1") = "6"
    & skf18("7","2","2","5","3","3","1") = "6"
    & skf18("7","2","2","5","3","4","1") = "6"
    & skf18("7","2","2","5","3","5","1") = "6"
    & skf18("7","2","2","5","3","6","1") = "6"
    & skf18("7","2","2","5","3","7","1") = "6"
    & skf18("7","2","2","5","3","8","1") = "7"
    & skf18("7","2","2","5","3","9","1") = "8"
    & skf18("7","2","2","5","3","10","1") = "9"
    & skf18("7","2","2","5","4","1","1") = "6"
    & skf18("7","2","2","5","4","2","1") = "6"
    & skf18("7","2","2","5","4","3","1") = "6"
    & skf18("7","2","2","5","4","4","1") = "6"
    & skf18("7","2","2","5","4","5","1") = "6"
    & skf18("7","2","2","5","4","6","1") = "6"
    & skf18("7","2","2","5","4","7","1") = "6"
    & skf18("7","2","2","5","4","8","1") = "7"
    & skf18("7","2","2","5","4","9","1") = "8"
    & skf18("7","2","2","5","4","10","1") = "9"
    & skf18("7","2","2","5","5","1","1") = "6"
    & skf18("7","2","2","5","5","2","1") = "6"
    & skf18("7","2","2","5","5","3","1") = "6"
    & skf18("7","2","2","5","5","4","1") = "6"
    & skf18("7","2","2","5","5","5","1") = "6"
    & skf18("7","2","2","5","5","6","1") = "6"
    & skf18("7","2","2","5","5","7","1") = "6"
    & skf18("7","2","2","5","5","8","1") = "7"
    & skf18("7","2","2","5","5","9","1") = "8"
    & skf18("7","2","2","5","5","10","1") = "9"
    & skf18("7","2","2","5","6","1","1") = "6"
    & skf18("7","2","2","5","6","2","1") = "6"
    & skf18("7","2","2","5","6","3","1") = "6"
    & skf18("7","2","2","5","6","4","1") = "6"
    & skf18("7","2","2","5","6","5","1") = "6"
    & skf18("7","2","2","5","6","6","1") = "6"
    & skf18("7","2","2","5","6","7","1") = "6"
    & skf18("7","2","2","5","6","8","1") = "7"
    & skf18("7","2","2","5","6","9","1") = "8"
    & skf18("7","2","2","5","6","10","1") = "9"
    & skf18("7","2","2","5","7","1","1") = "6"
    & skf18("7","2","2","5","7","2","1") = "6"
    & skf18("7","2","2","5","7","3","1") = "6"
    & skf18("7","2","2","5","7","4","1") = "6"
    & skf18("7","2","2","5","7","5","1") = "6"
    & skf18("7","2","2","5","7","6","1") = "6"
    & skf18("7","2","2","5","7","7","1") = "6"
    & skf18("7","2","2","5","7","8","1") = "7"
    & skf18("7","2","2","5","7","9","1") = "8"
    & skf18("7","2","2","5","7","10","1") = "9"
    & skf18("7","2","2","5","8","1","1") = "7"
    & skf18("7","2","2","5","8","2","1") = "7"
    & skf18("7","2","2","5","8","3","1") = "7"
    & skf18("7","2","2","5","8","4","1") = "7"
    & skf18("7","2","2","5","8","5","1") = "7"
    & skf18("7","2","2","5","8","6","1") = "7"
    & skf18("7","2","2","5","8","7","1") = "7"
    & skf18("7","2","2","5","8","8","1") = "7"
    & skf18("7","2","2","5","8","9","1") = "8"
    & skf18("7","2","2","5","8","10","1") = "9"
    & skf18("7","2","2","5","9","1","1") = "8"
    & skf18("7","2","2","5","9","2","1") = "8"
    & skf18("7","2","2","5","9","3","1") = "8"
    & skf18("7","2","2","5","9","4","1") = "8"
    & skf18("7","2","2","5","9","5","1") = "8"
    & skf18("7","2","2","5","9","6","1") = "8"
    & skf18("7","2","2","5","9","7","1") = "8"
    & skf18("7","2","2","5","9","8","1") = "8"
    & skf18("7","2","2","5","9","9","1") = "8"
    & skf18("7","2","2","5","9","10","1") = "9"
    & skf18("7","2","2","5","10","1","1") = "9"
    & skf18("7","2","2","5","10","2","1") = "9"
    & skf18("7","2","2","5","10","3","1") = "9"
    & skf18("7","2","2","5","10","4","1") = "9"
    & skf18("7","2","2","5","10","5","1") = "9"
    & skf18("7","2","2","5","10","6","1") = "9"
    & skf18("7","2","2","5","10","7","1") = "9"
    & skf18("7","2","2","5","10","8","1") = "9"
    & skf18("7","2","2","5","10","9","1") = "9"
    & skf18("7","2","2","5","10","10","1") = "9"
    & skf18("7","2","2","6","1","1","1") = "6"
    & skf18("7","2","2","6","1","2","1") = "6"
    & skf18("7","2","2","6","1","3","1") = "6"
    & skf18("7","2","2","6","1","4","1") = "6"
    & skf18("7","2","2","6","1","5","1") = "6"
    & skf18("7","2","2","6","1","6","1") = "6"
    & skf18("7","2","2","6","1","7","1") = "6"
    & skf18("7","2","2","6","1","8","1") = "7"
    & skf18("7","2","2","6","1","9","1") = "8"
    & skf18("7","2","2","6","1","10","1") = "9"
    & skf18("7","2","2","6","2","1","1") = "6"
    & skf18("7","2","2","6","2","2","1") = "6"
    & skf18("7","2","2","6","2","3","1") = "6"
    & skf18("7","2","2","6","2","4","1") = "6"
    & skf18("7","2","2","6","2","5","1") = "6"
    & skf18("7","2","2","6","2","6","1") = "6"
    & skf18("7","2","2","6","2","7","1") = "6"
    & skf18("7","2","2","6","2","8","1") = "7"
    & skf18("7","2","2","6","2","9","1") = "8"
    & skf18("7","2","2","6","2","10","1") = "9"
    & skf18("7","2","2","6","3","1","1") = "6"
    & skf18("7","2","2","6","3","2","1") = "6"
    & skf18("7","2","2","6","3","3","1") = "6"
    & skf18("7","2","2","6","3","4","1") = "6"
    & skf18("7","2","2","6","3","5","1") = "6"
    & skf18("7","2","2","6","3","6","1") = "6"
    & skf18("7","2","2","6","3","7","1") = "6"
    & skf18("7","2","2","6","3","8","1") = "7"
    & skf18("7","2","2","6","3","9","1") = "8"
    & skf18("7","2","2","6","3","10","1") = "9"
    & skf18("7","2","2","6","4","1","1") = "6"
    & skf18("7","2","2","6","4","2","1") = "6"
    & skf18("7","2","2","6","4","3","1") = "6"
    & skf18("7","2","2","6","4","4","1") = "6"
    & skf18("7","2","2","6","4","5","1") = "6"
    & skf18("7","2","2","6","4","6","1") = "6"
    & skf18("7","2","2","6","4","7","1") = "6"
    & skf18("7","2","2","6","4","8","1") = "7"
    & skf18("7","2","2","6","4","9","1") = "8"
    & skf18("7","2","2","6","4","10","1") = "9"
    & skf18("7","2","2","6","5","1","1") = "6"
    & skf18("7","2","2","6","5","2","1") = "6"
    & skf18("7","2","2","6","5","3","1") = "6"
    & skf18("7","2","2","6","5","4","1") = "6"
    & skf18("7","2","2","6","5","5","1") = "6"
    & skf18("7","2","2","6","5","6","1") = "6"
    & skf18("7","2","2","6","5","7","1") = "6"
    & skf18("7","2","2","6","5","8","1") = "7"
    & skf18("7","2","2","6","5","9","1") = "8"
    & skf18("7","2","2","6","5","10","1") = "9"
    & skf18("7","2","2","6","6","1","1") = "6"
    & skf18("7","2","2","6","6","2","1") = "6"
    & skf18("7","2","2","6","6","3","1") = "6"
    & skf18("7","2","2","6","6","4","1") = "6"
    & skf18("7","2","2","6","6","5","1") = "6"
    & skf18("7","2","2","6","6","6","1") = "6"
    & skf18("7","2","2","6","6","7","1") = "6"
    & skf18("7","2","2","6","6","8","1") = "7"
    & skf18("7","2","2","6","6","9","1") = "8"
    & skf18("7","2","2","6","6","10","1") = "9"
    & skf18("7","2","2","6","7","1","1") = "6"
    & skf18("7","2","2","6","7","2","1") = "6"
    & skf18("7","2","2","6","7","3","1") = "6"
    & skf18("7","2","2","6","7","4","1") = "6"
    & skf18("7","2","2","6","7","5","1") = "6"
    & skf18("7","2","2","6","7","6","1") = "6"
    & skf18("7","2","2","6","7","7","1") = "6"
    & skf18("7","2","2","6","7","8","1") = "7"
    & skf18("7","2","2","6","7","9","1") = "8"
    & skf18("7","2","2","6","7","10","1") = "9"
    & skf18("7","2","2","6","8","1","1") = "7"
    & skf18("7","2","2","6","8","2","1") = "7"
    & skf18("7","2","2","6","8","3","1") = "7"
    & skf18("7","2","2","6","8","4","1") = "7"
    & skf18("7","2","2","6","8","5","1") = "7"
    & skf18("7","2","2","6","8","6","1") = "7"
    & skf18("7","2","2","6","8","7","1") = "7"
    & skf18("7","2","2","6","8","8","1") = "7"
    & skf18("7","2","2","6","8","9","1") = "8"
    & skf18("7","2","2","6","8","10","1") = "9"
    & skf18("7","2","2","6","9","1","1") = "8"
    & skf18("7","2","2","6","9","2","1") = "8"
    & skf18("7","2","2","6","9","3","1") = "8"
    & skf18("7","2","2","6","9","4","1") = "8"
    & skf18("7","2","2","6","9","5","1") = "8"
    & skf18("7","2","2","6","9","6","1") = "8"
    & skf18("7","2","2","6","9","7","1") = "8"
    & skf18("7","2","2","6","9","8","1") = "8"
    & skf18("7","2","2","6","9","9","1") = "8"
    & skf18("7","2","2","6","9","10","1") = "9"
    & skf18("7","2","2","6","10","1","1") = "9"
    & skf18("7","2","2","6","10","2","1") = "9"
    & skf18("7","2","2","6","10","3","1") = "9"
    & skf18("7","2","2","6","10","4","1") = "9"
    & skf18("7","2","2","6","10","5","1") = "9"
    & skf18("7","2","2","6","10","6","1") = "9"
    & skf18("7","2","2","6","10","7","1") = "9"
    & skf18("7","2","2","6","10","8","1") = "9"
    & skf18("7","2","2","6","10","9","1") = "9"
    & skf18("7","2","2","6","10","10","1") = "9"
    & skf18("7","2","2","7","1","1","1") = "6"
    & skf18("7","2","2","7","1","2","1") = "6"
    & skf18("7","2","2","7","1","3","1") = "6"
    & skf18("7","2","2","7","1","4","1") = "6"
    & skf18("7","2","2","7","1","5","1") = "6"
    & skf18("7","2","2","7","1","6","1") = "6"
    & skf18("7","2","2","7","1","7","1") = "6"
    & skf18("7","2","2","7","1","8","1") = "7"
    & skf18("7","2","2","7","1","9","1") = "8"
    & skf18("7","2","2","7","1","10","1") = "9"
    & skf18("7","2","2","7","2","1","1") = "6"
    & skf18("7","2","2","7","2","2","1") = "6"
    & skf18("7","2","2","7","2","3","1") = "6"
    & skf18("7","2","2","7","2","4","1") = "6"
    & skf18("7","2","2","7","2","5","1") = "6"
    & skf18("7","2","2","7","2","6","1") = "6"
    & skf18("7","2","2","7","2","7","1") = "6"
    & skf18("7","2","2","7","2","8","1") = "7"
    & skf18("7","2","2","7","2","9","1") = "8"
    & skf18("7","2","2","7","2","10","1") = "9"
    & skf18("7","2","2","7","3","1","1") = "6"
    & skf18("7","2","2","7","3","2","1") = "6"
    & skf18("7","2","2","7","3","3","1") = "6"
    & skf18("7","2","2","7","3","4","1") = "6"
    & skf18("7","2","2","7","3","5","1") = "6"
    & skf18("7","2","2","7","3","6","1") = "6"
    & skf18("7","2","2","7","3","7","1") = "6"
    & skf18("7","2","2","7","3","8","1") = "7"
    & skf18("7","2","2","7","3","9","1") = "8"
    & skf18("7","2","2","7","3","10","1") = "9"
    & skf18("7","2","2","7","4","1","1") = "6"
    & skf18("7","2","2","7","4","2","1") = "6"
    & skf18("7","2","2","7","4","3","1") = "6"
    & skf18("7","2","2","7","4","4","1") = "6"
    & skf18("7","2","2","7","4","5","1") = "6"
    & skf18("7","2","2","7","4","6","1") = "6"
    & skf18("7","2","2","7","4","7","1") = "6"
    & skf18("7","2","2","7","4","8","1") = "7"
    & skf18("7","2","2","7","4","9","1") = "8"
    & skf18("7","2","2","7","4","10","1") = "9"
    & skf18("7","2","2","7","5","1","1") = "6"
    & skf18("7","2","2","7","5","2","1") = "6"
    & skf18("7","2","2","7","5","3","1") = "6"
    & skf18("7","2","2","7","5","4","1") = "6"
    & skf18("7","2","2","7","5","5","1") = "6"
    & skf18("7","2","2","7","5","6","1") = "6"
    & skf18("7","2","2","7","5","7","1") = "6"
    & skf18("7","2","2","7","5","8","1") = "7"
    & skf18("7","2","2","7","5","9","1") = "8"
    & skf18("7","2","2","7","5","10","1") = "9"
    & skf18("7","2","2","7","6","1","1") = "6"
    & skf18("7","2","2","7","6","2","1") = "6"
    & skf18("7","2","2","7","6","3","1") = "6"
    & skf18("7","2","2","7","6","4","1") = "6"
    & skf18("7","2","2","7","6","5","1") = "6"
    & skf18("7","2","2","7","6","6","1") = "6"
    & skf18("7","2","2","7","6","7","1") = "6"
    & skf18("7","2","2","7","6","8","1") = "7"
    & skf18("7","2","2","7","6","9","1") = "8"
    & skf18("7","2","2","7","6","10","1") = "9"
    & skf18("7","2","2","7","7","1","1") = "6"
    & skf18("7","2","2","7","7","2","1") = "6"
    & skf18("7","2","2","7","7","3","1") = "6"
    & skf18("7","2","2","7","7","4","1") = "6"
    & skf18("7","2","2","7","7","5","1") = "6"
    & skf18("7","2","2","7","7","6","1") = "6"
    & skf18("7","2","2","7","7","7","1") = "6"
    & skf18("7","2","2","7","7","8","1") = "7"
    & skf18("7","2","2","7","7","9","1") = "8"
    & skf18("7","2","2","7","7","10","1") = "9"
    & skf18("7","2","2","7","8","1","1") = "7"
    & skf18("7","2","2","7","8","2","1") = "7"
    & skf18("7","2","2","7","8","3","1") = "7"
    & skf18("7","2","2","7","8","4","1") = "7"
    & skf18("7","2","2","7","8","5","1") = "7"
    & skf18("7","2","2","7","8","6","1") = "7"
    & skf18("7","2","2","7","8","7","1") = "7"
    & skf18("7","2","2","7","8","8","1") = "7"
    & skf18("7","2","2","7","8","9","1") = "8"
    & skf18("7","2","2","7","8","10","1") = "9"
    & skf18("7","2","2","7","9","1","1") = "8"
    & skf18("7","2","2","7","9","2","1") = "8"
    & skf18("7","2","2","7","9","3","1") = "8"
    & skf18("7","2","2","7","9","4","1") = "8"
    & skf18("7","2","2","7","9","5","1") = "8"
    & skf18("7","2","2","7","9","6","1") = "8"
    & skf18("7","2","2","7","9","7","1") = "8"
    & skf18("7","2","2","7","9","8","1") = "8"
    & skf18("7","2","2","7","9","9","1") = "8"
    & skf18("7","2","2","7","9","10","1") = "9"
    & skf18("7","2","2","7","10","1","1") = "9"
    & skf18("7","2","2","7","10","2","1") = "9"
    & skf18("7","2","2","7","10","3","1") = "9"
    & skf18("7","2","2","7","10","4","1") = "9"
    & skf18("7","2","2","7","10","5","1") = "9"
    & skf18("7","2","2","7","10","6","1") = "9"
    & skf18("7","2","2","7","10","7","1") = "9"
    & skf18("7","2","2","7","10","8","1") = "9"
    & skf18("7","2","2","7","10","9","1") = "9"
    & skf18("7","2","2","7","10","10","1") = "9"
    & skf18("7","2","2","8","1","1","1") = "7"
    & skf18("7","2","2","8","1","2","1") = "7"
    & skf18("7","2","2","8","1","3","1") = "7"
    & skf18("7","2","2","8","1","4","1") = "7"
    & skf18("7","2","2","8","1","5","1") = "7"
    & skf18("7","2","2","8","1","6","1") = "7"
    & skf18("7","2","2","8","1","7","1") = "7"
    & skf18("7","2","2","8","1","8","1") = "7"
    & skf18("7","2","2","8","1","9","1") = "8"
    & skf18("7","2","2","8","1","10","1") = "9"
    & skf18("7","2","2","8","2","1","1") = "7"
    & skf18("7","2","2","8","2","2","1") = "7"
    & skf18("7","2","2","8","2","3","1") = "7"
    & skf18("7","2","2","8","2","4","1") = "7"
    & skf18("7","2","2","8","2","5","1") = "7"
    & skf18("7","2","2","8","2","6","1") = "7"
    & skf18("7","2","2","8","2","7","1") = "7"
    & skf18("7","2","2","8","2","8","1") = "7"
    & skf18("7","2","2","8","2","9","1") = "8"
    & skf18("7","2","2","8","2","10","1") = "9"
    & skf18("7","2","2","8","3","1","1") = "7"
    & skf18("7","2","2","8","3","2","1") = "7"
    & skf18("7","2","2","8","3","3","1") = "7"
    & skf18("7","2","2","8","3","4","1") = "7"
    & skf18("7","2","2","8","3","5","1") = "7"
    & skf18("7","2","2","8","3","6","1") = "7"
    & skf18("7","2","2","8","3","7","1") = "7"
    & skf18("7","2","2","8","3","8","1") = "7"
    & skf18("7","2","2","8","3","9","1") = "8"
    & skf18("7","2","2","8","3","10","1") = "9"
    & skf18("7","2","2","8","4","1","1") = "7"
    & skf18("7","2","2","8","4","2","1") = "7"
    & skf18("7","2","2","8","4","3","1") = "7"
    & skf18("7","2","2","8","4","4","1") = "7"
    & skf18("7","2","2","8","4","5","1") = "7"
    & skf18("7","2","2","8","4","6","1") = "7"
    & skf18("7","2","2","8","4","7","1") = "7"
    & skf18("7","2","2","8","4","8","1") = "7"
    & skf18("7","2","2","8","4","9","1") = "8"
    & skf18("7","2","2","8","4","10","1") = "9"
    & skf18("7","2","2","8","5","1","1") = "7"
    & skf18("7","2","2","8","5","2","1") = "7"
    & skf18("7","2","2","8","5","3","1") = "7"
    & skf18("7","2","2","8","5","4","1") = "7"
    & skf18("7","2","2","8","5","5","1") = "7"
    & skf18("7","2","2","8","5","6","1") = "7"
    & skf18("7","2","2","8","5","7","1") = "7"
    & skf18("7","2","2","8","5","8","1") = "7"
    & skf18("7","2","2","8","5","9","1") = "8"
    & skf18("7","2","2","8","5","10","1") = "9"
    & skf18("7","2","2","8","6","1","1") = "7"
    & skf18("7","2","2","8","6","2","1") = "7"
    & skf18("7","2","2","8","6","3","1") = "7"
    & skf18("7","2","2","8","6","4","1") = "7"
    & skf18("7","2","2","8","6","5","1") = "7"
    & skf18("7","2","2","8","6","6","1") = "7"
    & skf18("7","2","2","8","6","7","1") = "7"
    & skf18("7","2","2","8","6","8","1") = "7"
    & skf18("7","2","2","8","6","9","1") = "8"
    & skf18("7","2","2","8","6","10","1") = "9"
    & skf18("7","2","2","8","7","1","1") = "7"
    & skf18("7","2","2","8","7","2","1") = "7"
    & skf18("7","2","2","8","7","3","1") = "7"
    & skf18("7","2","2","8","7","4","1") = "7"
    & skf18("7","2","2","8","7","5","1") = "7"
    & skf18("7","2","2","8","7","6","1") = "7"
    & skf18("7","2","2","8","7","7","1") = "7"
    & skf18("7","2","2","8","7","8","1") = "7"
    & skf18("7","2","2","8","7","9","1") = "8"
    & skf18("7","2","2","8","7","10","1") = "9"
    & skf18("7","2","2","8","8","1","1") = "7"
    & skf18("7","2","2","8","8","2","1") = "7"
    & skf18("7","2","2","8","8","3","1") = "7"
    & skf18("7","2","2","8","8","4","1") = "7"
    & skf18("7","2","2","8","8","5","1") = "7"
    & skf18("7","2","2","8","8","6","1") = "7"
    & skf18("7","2","2","8","8","7","1") = "7"
    & skf18("7","2","2","8","8","8","1") = "7"
    & skf18("7","2","2","8","8","9","1") = "8"
    & skf18("7","2","2","8","8","10","1") = "9"
    & skf18("7","2","2","8","9","1","1") = "8"
    & skf18("7","2","2","8","9","2","1") = "8"
    & skf18("7","2","2","8","9","3","1") = "8"
    & skf18("7","2","2","8","9","4","1") = "8"
    & skf18("7","2","2","8","9","5","1") = "8"
    & skf18("7","2","2","8","9","6","1") = "8"
    & skf18("7","2","2","8","9","7","1") = "8"
    & skf18("7","2","2","8","9","8","1") = "8"
    & skf18("7","2","2","8","9","9","1") = "8"
    & skf18("7","2","2","8","9","10","1") = "9"
    & skf18("7","2","2","8","10","1","1") = "9"
    & skf18("7","2","2","8","10","2","1") = "9"
    & skf18("7","2","2","8","10","3","1") = "9"
    & skf18("7","2","2","8","10","4","1") = "9"
    & skf18("7","2","2","8","10","5","1") = "9"
    & skf18("7","2","2","8","10","6","1") = "9"
    & skf18("7","2","2","8","10","7","1") = "9"
    & skf18("7","2","2","8","10","8","1") = "9"
    & skf18("7","2","2","8","10","9","1") = "9"
    & skf18("7","2","2","8","10","10","1") = "9"
    & skf18("7","2","2","9","1","1","1") = "8"
    & skf18("7","2","2","9","1","2","1") = "8"
    & skf18("7","2","2","9","1","3","1") = "8"
    & skf18("7","2","2","9","1","4","1") = "8"
    & skf18("7","2","2","9","1","5","1") = "8"
    & skf18("7","2","2","9","1","6","1") = "8"
    & skf18("7","2","2","9","1","7","1") = "8"
    & skf18("7","2","2","9","1","8","1") = "8"
    & skf18("7","2","2","9","1","9","1") = "8"
    & skf18("7","2","2","9","1","10","1") = "9"
    & skf18("7","2","2","9","2","1","1") = "8"
    & skf18("7","2","2","9","2","2","1") = "8"
    & skf18("7","2","2","9","2","3","1") = "8"
    & skf18("7","2","2","9","2","4","1") = "8"
    & skf18("7","2","2","9","2","5","1") = "8"
    & skf18("7","2","2","9","2","6","1") = "8"
    & skf18("7","2","2","9","2","7","1") = "8"
    & skf18("7","2","2","9","2","8","1") = "8"
    & skf18("7","2","2","9","2","9","1") = "8"
    & skf18("7","2","2","9","2","10","1") = "9"
    & skf18("7","2","2","9","3","1","1") = "8"
    & skf18("7","2","2","9","3","2","1") = "8"
    & skf18("7","2","2","9","3","3","1") = "8"
    & skf18("7","2","2","9","3","4","1") = "8"
    & skf18("7","2","2","9","3","5","1") = "8"
    & skf18("7","2","2","9","3","6","1") = "8"
    & skf18("7","2","2","9","3","7","1") = "8"
    & skf18("7","2","2","9","3","8","1") = "8"
    & skf18("7","2","2","9","3","9","1") = "8"
    & skf18("7","2","2","9","3","10","1") = "9"
    & skf18("7","2","2","9","4","1","1") = "8"
    & skf18("7","2","2","9","4","2","1") = "8"
    & skf18("7","2","2","9","4","3","1") = "8"
    & skf18("7","2","2","9","4","4","1") = "8"
    & skf18("7","2","2","9","4","5","1") = "8"
    & skf18("7","2","2","9","4","6","1") = "8"
    & skf18("7","2","2","9","4","7","1") = "8"
    & skf18("7","2","2","9","4","8","1") = "8"
    & skf18("7","2","2","9","4","9","1") = "8"
    & skf18("7","2","2","9","4","10","1") = "9"
    & skf18("7","2","2","9","5","1","1") = "8"
    & skf18("7","2","2","9","5","2","1") = "8"
    & skf18("7","2","2","9","5","3","1") = "8"
    & skf18("7","2","2","9","5","4","1") = "8"
    & skf18("7","2","2","9","5","5","1") = "8"
    & skf18("7","2","2","9","5","6","1") = "8"
    & skf18("7","2","2","9","5","7","1") = "8"
    & skf18("7","2","2","9","5","8","1") = "8"
    & skf18("7","2","2","9","5","9","1") = "8"
    & skf18("7","2","2","9","5","10","1") = "9"
    & skf18("7","2","2","9","6","1","1") = "8"
    & skf18("7","2","2","9","6","2","1") = "8"
    & skf18("7","2","2","9","6","3","1") = "8"
    & skf18("7","2","2","9","6","4","1") = "8"
    & skf18("7","2","2","9","6","5","1") = "8"
    & skf18("7","2","2","9","6","6","1") = "8"
    & skf18("7","2","2","9","6","7","1") = "8"
    & skf18("7","2","2","9","6","8","1") = "8"
    & skf18("7","2","2","9","6","9","1") = "8"
    & skf18("7","2","2","9","6","10","1") = "9"
    & skf18("7","2","2","9","7","1","1") = "8"
    & skf18("7","2","2","9","7","2","1") = "8"
    & skf18("7","2","2","9","7","3","1") = "8"
    & skf18("7","2","2","9","7","4","1") = "8"
    & skf18("7","2","2","9","7","5","1") = "8"
    & skf18("7","2","2","9","7","6","1") = "8"
    & skf18("7","2","2","9","7","7","1") = "8"
    & skf18("7","2","2","9","7","8","1") = "8"
    & skf18("7","2","2","9","7","9","1") = "8"
    & skf18("7","2","2","9","7","10","1") = "9"
    & skf18("7","2","2","9","8","1","1") = "8"
    & skf18("7","2","2","9","8","2","1") = "8"
    & skf18("7","2","2","9","8","3","1") = "8"
    & skf18("7","2","2","9","8","4","1") = "8"
    & skf18("7","2","2","9","8","5","1") = "8"
    & skf18("7","2","2","9","8","6","1") = "8"
    & skf18("7","2","2","9","8","7","1") = "8"
    & skf18("7","2","2","9","8","8","1") = "8"
    & skf18("7","2","2","9","8","9","1") = "8"
    & skf18("7","2","2","9","8","10","1") = "9"
    & skf18("7","2","2","9","9","1","1") = "8"
    & skf18("7","2","2","9","9","2","1") = "8"
    & skf18("7","2","2","9","9","3","1") = "8"
    & skf18("7","2","2","9","9","4","1") = "8"
    & skf18("7","2","2","9","9","5","1") = "8"
    & skf18("7","2","2","9","9","6","1") = "8"
    & skf18("7","2","2","9","9","7","1") = "8"
    & skf18("7","2","2","9","9","8","1") = "8"
    & skf18("7","2","2","9","9","9","1") = "8"
    & skf18("7","2","2","9","9","10","1") = "9"
    & skf18("7","2","2","9","10","1","1") = "9"
    & skf18("7","2","2","9","10","2","1") = "9"
    & skf18("7","2","2","9","10","3","1") = "9"
    & skf18("7","2","2","9","10","4","1") = "9"
    & skf18("7","2","2","9","10","5","1") = "9"
    & skf18("7","2","2","9","10","6","1") = "9"
    & skf18("7","2","2","9","10","7","1") = "9"
    & skf18("7","2","2","9","10","8","1") = "9"
    & skf18("7","2","2","9","10","9","1") = "9"
    & skf18("7","2","2","9","10","10","1") = "9"
    & skf18("7","2","2","10","1","1","1") = "9"
    & skf18("7","2","2","10","1","2","1") = "9"
    & skf18("7","2","2","10","1","3","1") = "9"
    & skf18("7","2","2","10","1","4","1") = "9"
    & skf18("7","2","2","10","1","5","1") = "9"
    & skf18("7","2","2","10","1","6","1") = "9"
    & skf18("7","2","2","10","1","7","1") = "9"
    & skf18("7","2","2","10","1","8","1") = "9"
    & skf18("7","2","2","10","1","9","1") = "9"
    & skf18("7","2","2","10","1","10","1") = "9"
    & skf18("7","2","2","10","2","1","1") = "9"
    & skf18("7","2","2","10","2","2","1") = "9"
    & skf18("7","2","2","10","2","3","1") = "9"
    & skf18("7","2","2","10","2","4","1") = "9"
    & skf18("7","2","2","10","2","5","1") = "9"
    & skf18("7","2","2","10","2","6","1") = "9"
    & skf18("7","2","2","10","2","7","1") = "9"
    & skf18("7","2","2","10","2","8","1") = "9"
    & skf18("7","2","2","10","2","9","1") = "9"
    & skf18("7","2","2","10","2","10","1") = "9"
    & skf18("7","2","2","10","3","1","1") = "9"
    & skf18("7","2","2","10","3","2","1") = "9"
    & skf18("7","2","2","10","3","3","1") = "9"
    & skf18("7","2","2","10","3","4","1") = "9"
    & skf18("7","2","2","10","3","5","1") = "9"
    & skf18("7","2","2","10","3","6","1") = "9"
    & skf18("7","2","2","10","3","7","1") = "9"
    & skf18("7","2","2","10","3","8","1") = "9"
    & skf18("7","2","2","10","3","9","1") = "9"
    & skf18("7","2","2","10","3","10","1") = "9"
    & skf18("7","2","2","10","4","1","1") = "9"
    & skf18("7","2","2","10","4","2","1") = "9"
    & skf18("7","2","2","10","4","3","1") = "9"
    & skf18("7","2","2","10","4","4","1") = "9"
    & skf18("7","2","2","10","4","5","1") = "9"
    & skf18("7","2","2","10","4","6","1") = "9"
    & skf18("7","2","2","10","4","7","1") = "9"
    & skf18("7","2","2","10","4","8","1") = "9"
    & skf18("7","2","2","10","4","9","1") = "9"
    & skf18("7","2","2","10","4","10","1") = "9"
    & skf18("7","2","2","10","5","1","1") = "9"
    & skf18("7","2","2","10","5","2","1") = "9"
    & skf18("7","2","2","10","5","3","1") = "9"
    & skf18("7","2","2","10","5","4","1") = "9"
    & skf18("7","2","2","10","5","5","1") = "9"
    & skf18("7","2","2","10","5","6","1") = "9"
    & skf18("7","2","2","10","5","7","1") = "9"
    & skf18("7","2","2","10","5","8","1") = "9"
    & skf18("7","2","2","10","5","9","1") = "9"
    & skf18("7","2","2","10","5","10","1") = "9"
    & skf18("7","2","2","10","6","1","1") = "9"
    & skf18("7","2","2","10","6","2","1") = "9"
    & skf18("7","2","2","10","6","3","1") = "9"
    & skf18("7","2","2","10","6","4","1") = "9"
    & skf18("7","2","2","10","6","5","1") = "9"
    & skf18("7","2","2","10","6","6","1") = "9"
    & skf18("7","2","2","10","6","7","1") = "9"
    & skf18("7","2","2","10","6","8","1") = "9"
    & skf18("7","2","2","10","6","9","1") = "9"
    & skf18("7","2","2","10","6","10","1") = "9"
    & skf18("7","2","2","10","7","1","1") = "9"
    & skf18("7","2","2","10","7","2","1") = "9"
    & skf18("7","2","2","10","7","3","1") = "9"
    & skf18("7","2","2","10","7","4","1") = "9"
    & skf18("7","2","2","10","7","5","1") = "9"
    & skf18("7","2","2","10","7","6","1") = "9"
    & skf18("7","2","2","10","7","7","1") = "9"
    & skf18("7","2","2","10","7","8","1") = "9"
    & skf18("7","2","2","10","7","9","1") = "9"
    & skf18("7","2","2","10","7","10","1") = "9"
    & skf18("7","2","2","10","8","1","1") = "9"
    & skf18("7","2","2","10","8","2","1") = "9"
    & skf18("7","2","2","10","8","3","1") = "9"
    & skf18("7","2","2","10","8","4","1") = "9"
    & skf18("7","2","2","10","8","5","1") = "9"
    & skf18("7","2","2","10","8","6","1") = "9"
    & skf18("7","2","2","10","8","7","1") = "9"
    & skf18("7","2","2","10","8","8","1") = "9"
    & skf18("7","2","2","10","8","9","1") = "9"
    & skf18("7","2","2","10","8","10","1") = "9"
    & skf18("7","2","2","10","9","1","1") = "9"
    & skf18("7","2","2","10","9","2","1") = "9"
    & skf18("7","2","2","10","9","3","1") = "9"
    & skf18("7","2","2","10","9","4","1") = "9"
    & skf18("7","2","2","10","9","5","1") = "9"
    & skf18("7","2","2","10","9","6","1") = "9"
    & skf18("7","2","2","10","9","7","1") = "9"
    & skf18("7","2","2","10","9","8","1") = "9"
    & skf18("7","2","2","10","9","9","1") = "9"
    & skf18("7","2","2","10","9","10","1") = "9"
    & skf18("7","2","2","10","10","1","1") = "9"
    & skf18("7","2","2","10","10","2","1") = "9"
    & skf18("7","2","2","10","10","3","1") = "9"
    & skf18("7","2","2","10","10","4","1") = "9"
    & skf18("7","2","2","10","10","5","1") = "9"
    & skf18("7","2","2","10","10","6","1") = "9"
    & skf18("7","2","2","10","10","7","1") = "9"
    & skf18("7","2","2","10","10","8","1") = "9"
    & skf18("7","2","2","10","10","9","1") = "9"
    & skf18("7","2","2","10","10","10","1") = "9"
    & skf18("7","2","3","1","1","1","1") = "6"
    & skf18("7","2","3","1","1","2","1") = "6"
    & skf18("7","2","3","1","1","3","1") = "6"
    & skf18("7","2","3","1","1","4","1") = "6"
    & skf18("7","2","3","1","1","5","1") = "6"
    & skf18("7","2","3","1","1","6","1") = "6"
    & skf18("7","2","3","1","1","7","1") = "6"
    & skf18("7","2","3","1","1","8","1") = "7"
    & skf18("7","2","3","1","1","9","1") = "8"
    & skf18("7","2","3","1","1","10","1") = "9"
    & skf18("7","2","3","1","2","1","1") = "6"
    & skf18("7","2","3","1","2","2","1") = "6"
    & skf18("7","2","3","1","2","3","1") = "6"
    & skf18("7","2","3","1","2","4","1") = "6"
    & skf18("7","2","3","1","2","5","1") = "6"
    & skf18("7","2","3","1","2","6","1") = "6"
    & skf18("7","2","3","1","2","7","1") = "6"
    & skf18("7","2","3","1","2","8","1") = "7"
    & skf18("7","2","3","1","2","9","1") = "8"
    & skf18("7","2","3","1","2","10","1") = "9"
    & skf18("7","2","3","1","3","1","1") = "6"
    & skf18("7","2","3","1","3","2","1") = "6"
    & skf18("7","2","3","1","3","3","1") = "6"
    & skf18("7","2","3","1","3","4","1") = "6"
    & skf18("7","2","3","1","3","5","1") = "6"
    & skf18("7","2","3","1","3","6","1") = "6"
    & skf18("7","2","3","1","3","7","1") = "6"
    & skf18("7","2","3","1","3","8","1") = "7"
    & skf18("7","2","3","1","3","9","1") = "8"
    & skf18("7","2","3","1","3","10","1") = "9"
    & skf18("7","2","3","1","4","1","1") = "6"
    & skf18("7","2","3","1","4","2","1") = "6"
    & skf18("7","2","3","1","4","3","1") = "6"
    & skf18("7","2","3","1","4","4","1") = "6"
    & skf18("7","2","3","1","4","5","1") = "6"
    & skf18("7","2","3","1","4","6","1") = "6"
    & skf18("7","2","3","1","4","7","1") = "6"
    & skf18("7","2","3","1","4","8","1") = "7"
    & skf18("7","2","3","1","4","9","1") = "8"
    & skf18("7","2","3","1","4","10","1") = "9"
    & skf18("7","2","3","1","5","1","1") = "6"
    & skf18("7","2","3","1","5","2","1") = "6"
    & skf18("7","2","3","1","5","3","1") = "6"
    & skf18("7","2","3","1","5","4","1") = "6"
    & skf18("7","2","3","1","5","5","1") = "6"
    & skf18("7","2","3","1","5","6","1") = "6"
    & skf18("7","2","3","1","5","7","1") = "6"
    & skf18("7","2","3","1","5","8","1") = "7"
    & skf18("7","2","3","1","5","9","1") = "8"
    & skf18("7","2","3","1","5","10","1") = "9"
    & skf18("7","2","3","1","6","1","1") = "6"
    & skf18("7","2","3","1","6","2","1") = "6"
    & skf18("7","2","3","1","6","3","1") = "6"
    & skf18("7","2","3","1","6","4","1") = "6"
    & skf18("7","2","3","1","6","5","1") = "6"
    & skf18("7","2","3","1","6","6","1") = "6"
    & skf18("7","2","3","1","6","7","1") = "6"
    & skf18("7","2","3","1","6","8","1") = "7"
    & skf18("7","2","3","1","6","9","1") = "8"
    & skf18("7","2","3","1","6","10","1") = "9"
    & skf18("7","2","3","1","7","1","1") = "6"
    & skf18("7","2","3","1","7","2","1") = "6"
    & skf18("7","2","3","1","7","3","1") = "6"
    & skf18("7","2","3","1","7","4","1") = "6"
    & skf18("7","2","3","1","7","5","1") = "6"
    & skf18("7","2","3","1","7","6","1") = "6"
    & skf18("7","2","3","1","7","7","1") = "6"
    & skf18("7","2","3","1","7","8","1") = "7"
    & skf18("7","2","3","1","7","9","1") = "8"
    & skf18("7","2","3","1","7","10","1") = "9"
    & skf18("7","2","3","1","8","1","1") = "7"
    & skf18("7","2","3","1","8","2","1") = "7"
    & skf18("7","2","3","1","8","3","1") = "7"
    & skf18("7","2","3","1","8","4","1") = "7"
    & skf18("7","2","3","1","8","5","1") = "7"
    & skf18("7","2","3","1","8","6","1") = "7"
    & skf18("7","2","3","1","8","7","1") = "7"
    & skf18("7","2","3","1","8","8","1") = "7"
    & skf18("7","2","3","1","8","9","1") = "8"
    & skf18("7","2","3","1","8","10","1") = "9"
    & skf18("7","2","3","1","9","1","1") = "8"
    & skf18("7","2","3","1","9","2","1") = "8"
    & skf18("7","2","3","1","9","3","1") = "8"
    & skf18("7","2","3","1","9","4","1") = "8"
    & skf18("7","2","3","1","9","5","1") = "8"
    & skf18("7","2","3","1","9","6","1") = "8"
    & skf18("7","2","3","1","9","7","1") = "8"
    & skf18("7","2","3","1","9","8","1") = "8"
    & skf18("7","2","3","1","9","9","1") = "8"
    & skf18("7","2","3","1","9","10","1") = "9"
    & skf18("7","2","3","1","10","1","1") = "9"
    & skf18("7","2","3","1","10","2","1") = "9"
    & skf18("7","2","3","1","10","3","1") = "9"
    & skf18("7","2","3","1","10","4","1") = "9"
    & skf18("7","2","3","1","10","5","1") = "9"
    & skf18("7","2","3","1","10","6","1") = "9"
    & skf18("7","2","3","1","10","7","1") = "9"
    & skf18("7","2","3","1","10","8","1") = "9"
    & skf18("7","2","3","1","10","9","1") = "9"
    & skf18("7","2","3","1","10","10","1") = "9"
    & skf18("7","2","3","2","1","1","1") = "6"
    & skf18("7","2","3","2","1","2","1") = "6"
    & skf18("7","2","3","2","1","3","1") = "6"
    & skf18("7","2","3","2","1","4","1") = "6"
    & skf18("7","2","3","2","1","5","1") = "6"
    & skf18("7","2","3","2","1","6","1") = "6"
    & skf18("7","2","3","2","1","7","1") = "6"
    & skf18("7","2","3","2","1","8","1") = "7"
    & skf18("7","2","3","2","1","9","1") = "8"
    & skf18("7","2","3","2","1","10","1") = "9"
    & skf18("7","2","3","2","2","1","1") = "6"
    & skf18("7","2","3","2","2","2","1") = "6"
    & skf18("7","2","3","2","2","3","1") = "6"
    & skf18("7","2","3","2","2","4","1") = "6"
    & skf18("7","2","3","2","2","5","1") = "6"
    & skf18("7","2","3","2","2","6","1") = "6"
    & skf18("7","2","3","2","2","7","1") = "6"
    & skf18("7","2","3","2","2","8","1") = "7"
    & skf18("7","2","3","2","2","9","1") = "8"
    & skf18("7","2","3","2","2","10","1") = "9"
    & skf18("7","2","3","2","3","1","1") = "6"
    & skf18("7","2","3","2","3","2","1") = "6"
    & skf18("7","2","3","2","3","3","1") = "6"
    & skf18("7","2","3","2","3","4","1") = "6"
    & skf18("7","2","3","2","3","5","1") = "6"
    & skf18("7","2","3","2","3","6","1") = "6"
    & skf18("7","2","3","2","3","7","1") = "6"
    & skf18("7","2","3","2","3","8","1") = "7"
    & skf18("7","2","3","2","3","9","1") = "8"
    & skf18("7","2","3","2","3","10","1") = "9"
    & skf18("7","2","3","2","4","1","1") = "6"
    & skf18("7","2","3","2","4","2","1") = "6"
    & skf18("7","2","3","2","4","3","1") = "6"
    & skf18("7","2","3","2","4","4","1") = "6"
    & skf18("7","2","3","2","4","5","1") = "6"
    & skf18("7","2","3","2","4","6","1") = "6"
    & skf18("7","2","3","2","4","7","1") = "6"
    & skf18("7","2","3","2","4","8","1") = "7"
    & skf18("7","2","3","2","4","9","1") = "8"
    & skf18("7","2","3","2","4","10","1") = "9"
    & skf18("7","2","3","2","5","1","1") = "6"
    & skf18("7","2","3","2","5","2","1") = "6"
    & skf18("7","2","3","2","5","3","1") = "6"
    & skf18("7","2","3","2","5","4","1") = "6"
    & skf18("7","2","3","2","5","5","1") = "6"
    & skf18("7","2","3","2","5","6","1") = "6"
    & skf18("7","2","3","2","5","7","1") = "6"
    & skf18("7","2","3","2","5","8","1") = "7"
    & skf18("7","2","3","2","5","9","1") = "8"
    & skf18("7","2","3","2","5","10","1") = "9"
    & skf18("7","2","3","2","6","1","1") = "6"
    & skf18("7","2","3","2","6","2","1") = "6"
    & skf18("7","2","3","2","6","3","1") = "6"
    & skf18("7","2","3","2","6","4","1") = "6"
    & skf18("7","2","3","2","6","5","1") = "6"
    & skf18("7","2","3","2","6","6","1") = "6"
    & skf18("7","2","3","2","6","7","1") = "6"
    & skf18("7","2","3","2","6","8","1") = "7"
    & skf18("7","2","3","2","6","9","1") = "8"
    & skf18("7","2","3","2","6","10","1") = "9"
    & skf18("7","2","3","2","7","1","1") = "6"
    & skf18("7","2","3","2","7","2","1") = "6"
    & skf18("7","2","3","2","7","3","1") = "6"
    & skf18("7","2","3","2","7","4","1") = "6"
    & skf18("7","2","3","2","7","5","1") = "6"
    & skf18("7","2","3","2","7","6","1") = "6"
    & skf18("7","2","3","2","7","7","1") = "6"
    & skf18("7","2","3","2","7","8","1") = "7"
    & skf18("7","2","3","2","7","9","1") = "8"
    & skf18("7","2","3","2","7","10","1") = "9"
    & skf18("7","2","3","2","8","1","1") = "7"
    & skf18("7","2","3","2","8","2","1") = "7"
    & skf18("7","2","3","2","8","3","1") = "7"
    & skf18("7","2","3","2","8","4","1") = "7"
    & skf18("7","2","3","2","8","5","1") = "7"
    & skf18("7","2","3","2","8","6","1") = "7"
    & skf18("7","2","3","2","8","7","1") = "7"
    & skf18("7","2","3","2","8","8","1") = "7"
    & skf18("7","2","3","2","8","9","1") = "8"
    & skf18("7","2","3","2","8","10","1") = "9"
    & skf18("7","2","3","2","9","1","1") = "8"
    & skf18("7","2","3","2","9","2","1") = "8"
    & skf18("7","2","3","2","9","3","1") = "8"
    & skf18("7","2","3","2","9","4","1") = "8"
    & skf18("7","2","3","2","9","5","1") = "8"
    & skf18("7","2","3","2","9","6","1") = "8"
    & skf18("7","2","3","2","9","7","1") = "8"
    & skf18("7","2","3","2","9","8","1") = "8"
    & skf18("7","2","3","2","9","9","1") = "8"
    & skf18("7","2","3","2","9","10","1") = "9"
    & skf18("7","2","3","2","10","1","1") = "9"
    & skf18("7","2","3","2","10","2","1") = "9"
    & skf18("7","2","3","2","10","3","1") = "9"
    & skf18("7","2","3","2","10","4","1") = "9"
    & skf18("7","2","3","2","10","5","1") = "9"
    & skf18("7","2","3","2","10","6","1") = "9"
    & skf18("7","2","3","2","10","7","1") = "9"
    & skf18("7","2","3","2","10","8","1") = "9"
    & skf18("7","2","3","2","10","9","1") = "9"
    & skf18("7","2","3","2","10","10","1") = "9"
    & skf18("7","2","3","3","1","1","1") = "6"
    & skf18("7","2","3","3","1","2","1") = "6"
    & skf18("7","2","3","3","1","3","1") = "6"
    & skf18("7","2","3","3","1","4","1") = "6"
    & skf18("7","2","3","3","1","5","1") = "6"
    & skf18("7","2","3","3","1","6","1") = "6"
    & skf18("7","2","3","3","1","7","1") = "6"
    & skf18("7","2","3","3","1","8","1") = "7"
    & skf18("7","2","3","3","1","9","1") = "8"
    & skf18("7","2","3","3","1","10","1") = "9"
    & skf18("7","2","3","3","2","1","1") = "6"
    & skf18("7","2","3","3","2","2","1") = "6"
    & skf18("7","2","3","3","2","3","1") = "6"
    & skf18("7","2","3","3","2","4","1") = "6"
    & skf18("7","2","3","3","2","5","1") = "6"
    & skf18("7","2","3","3","2","6","1") = "6"
    & skf18("7","2","3","3","2","7","1") = "6"
    & skf18("7","2","3","3","2","8","1") = "7"
    & skf18("7","2","3","3","2","9","1") = "8"
    & skf18("7","2","3","3","2","10","1") = "9"
    & skf18("7","2","3","3","3","1","1") = "6"
    & skf18("7","2","3","3","3","2","1") = "6"
    & skf18("7","2","3","3","3","3","1") = "6"
    & skf18("7","2","3","3","3","4","1") = "6"
    & skf18("7","2","3","3","3","5","1") = "6"
    & skf18("7","2","3","3","3","6","1") = "6"
    & skf18("7","2","3","3","3","7","1") = "6"
    & skf18("7","2","3","3","3","8","1") = "7"
    & skf18("7","2","3","3","3","9","1") = "8"
    & skf18("7","2","3","3","3","10","1") = "9"
    & skf18("7","2","3","3","4","1","1") = "6"
    & skf18("7","2","3","3","4","2","1") = "6"
    & skf18("7","2","3","3","4","3","1") = "6"
    & skf18("7","2","3","3","4","4","1") = "6"
    & skf18("7","2","3","3","4","5","1") = "6"
    & skf18("7","2","3","3","4","6","1") = "6"
    & skf18("7","2","3","3","4","7","1") = "6"
    & skf18("7","2","3","3","4","8","1") = "7"
    & skf18("7","2","3","3","4","9","1") = "8"
    & skf18("7","2","3","3","4","10","1") = "9"
    & skf18("7","2","3","3","5","1","1") = "6"
    & skf18("7","2","3","3","5","2","1") = "6"
    & skf18("7","2","3","3","5","3","1") = "6"
    & skf18("7","2","3","3","5","4","1") = "6"
    & skf18("7","2","3","3","5","5","1") = "6"
    & skf18("7","2","3","3","5","6","1") = "6"
    & skf18("7","2","3","3","5","7","1") = "6"
    & skf18("7","2","3","3","5","8","1") = "7"
    & skf18("7","2","3","3","5","9","1") = "8"
    & skf18("7","2","3","3","5","10","1") = "9"
    & skf18("7","2","3","3","6","1","1") = "6"
    & skf18("7","2","3","3","6","2","1") = "6"
    & skf18("7","2","3","3","6","3","1") = "6"
    & skf18("7","2","3","3","6","4","1") = "6"
    & skf18("7","2","3","3","6","5","1") = "6"
    & skf18("7","2","3","3","6","6","1") = "6"
    & skf18("7","2","3","3","6","7","1") = "6"
    & skf18("7","2","3","3","6","8","1") = "7"
    & skf18("7","2","3","3","6","9","1") = "8"
    & skf18("7","2","3","3","6","10","1") = "9"
    & skf18("7","2","3","3","7","1","1") = "6"
    & skf18("7","2","3","3","7","2","1") = "6"
    & skf18("7","2","3","3","7","3","1") = "6"
    & skf18("7","2","3","3","7","4","1") = "6"
    & skf18("7","2","3","3","7","5","1") = "6"
    & skf18("7","2","3","3","7","6","1") = "6"
    & skf18("7","2","3","3","7","7","1") = "6"
    & skf18("7","2","3","3","7","8","1") = "7"
    & skf18("7","2","3","3","7","9","1") = "8"
    & skf18("7","2","3","3","7","10","1") = "9"
    & skf18("7","2","3","3","8","1","1") = "7"
    & skf18("7","2","3","3","8","2","1") = "7"
    & skf18("7","2","3","3","8","3","1") = "7"
    & skf18("7","2","3","3","8","4","1") = "7"
    & skf18("7","2","3","3","8","5","1") = "7"
    & skf18("7","2","3","3","8","6","1") = "7"
    & skf18("7","2","3","3","8","7","1") = "7"
    & skf18("7","2","3","3","8","8","1") = "7"
    & skf18("7","2","3","3","8","9","1") = "8"
    & skf18("7","2","3","3","8","10","1") = "9"
    & skf18("7","2","3","3","9","1","1") = "8"
    & skf18("7","2","3","3","9","2","1") = "8"
    & skf18("7","2","3","3","9","3","1") = "8"
    & skf18("7","2","3","3","9","4","1") = "8"
    & skf18("7","2","3","3","9","5","1") = "8"
    & skf18("7","2","3","3","9","6","1") = "8"
    & skf18("7","2","3","3","9","7","1") = "8"
    & skf18("7","2","3","3","9","8","1") = "8"
    & skf18("7","2","3","3","9","9","1") = "8"
    & skf18("7","2","3","3","9","10","1") = "9"
    & skf18("7","2","3","3","10","1","1") = "9"
    & skf18("7","2","3","3","10","2","1") = "9"
    & skf18("7","2","3","3","10","3","1") = "9"
    & skf18("7","2","3","3","10","4","1") = "9"
    & skf18("7","2","3","3","10","5","1") = "9"
    & skf18("7","2","3","3","10","6","1") = "9"
    & skf18("7","2","3","3","10","7","1") = "9"
    & skf18("7","2","3","3","10","8","1") = "9"
    & skf18("7","2","3","3","10","9","1") = "9"
    & skf18("7","2","3","3","10","10","1") = "9"
    & skf18("7","2","3","4","1","1","1") = "6"
    & skf18("7","2","3","4","1","2","1") = "6"
    & skf18("7","2","3","4","1","3","1") = "6"
    & skf18("7","2","3","4","1","4","1") = "6"
    & skf18("7","2","3","4","1","5","1") = "6"
    & skf18("7","2","3","4","1","6","1") = "6"
    & skf18("7","2","3","4","1","7","1") = "6"
    & skf18("7","2","3","4","1","8","1") = "7"
    & skf18("7","2","3","4","1","9","1") = "8"
    & skf18("7","2","3","4","1","10","1") = "9"
    & skf18("7","2","3","4","2","1","1") = "6"
    & skf18("7","2","3","4","2","2","1") = "6"
    & skf18("7","2","3","4","2","3","1") = "6"
    & skf18("7","2","3","4","2","4","1") = "6"
    & skf18("7","2","3","4","2","5","1") = "6"
    & skf18("7","2","3","4","2","6","1") = "6"
    & skf18("7","2","3","4","2","7","1") = "6"
    & skf18("7","2","3","4","2","8","1") = "7"
    & skf18("7","2","3","4","2","9","1") = "8"
    & skf18("7","2","3","4","2","10","1") = "9"
    & skf18("7","2","3","4","3","1","1") = "6"
    & skf18("7","2","3","4","3","2","1") = "6"
    & skf18("7","2","3","4","3","3","1") = "6"
    & skf18("7","2","3","4","3","4","1") = "6"
    & skf18("7","2","3","4","3","5","1") = "6"
    & skf18("7","2","3","4","3","6","1") = "6"
    & skf18("7","2","3","4","3","7","1") = "6"
    & skf18("7","2","3","4","3","8","1") = "7"
    & skf18("7","2","3","4","3","9","1") = "8"
    & skf18("7","2","3","4","3","10","1") = "9"
    & skf18("7","2","3","4","4","1","1") = "6"
    & skf18("7","2","3","4","4","2","1") = "6"
    & skf18("7","2","3","4","4","3","1") = "6"
    & skf18("7","2","3","4","4","4","1") = "6"
    & skf18("7","2","3","4","4","5","1") = "6"
    & skf18("7","2","3","4","4","6","1") = "6"
    & skf18("7","2","3","4","4","7","1") = "6"
    & skf18("7","2","3","4","4","8","1") = "7"
    & skf18("7","2","3","4","4","9","1") = "8"
    & skf18("7","2","3","4","4","10","1") = "9"
    & skf18("7","2","3","4","5","1","1") = "6"
    & skf18("7","2","3","4","5","2","1") = "6"
    & skf18("7","2","3","4","5","3","1") = "6"
    & skf18("7","2","3","4","5","4","1") = "6"
    & skf18("7","2","3","4","5","5","1") = "6"
    & skf18("7","2","3","4","5","6","1") = "6"
    & skf18("7","2","3","4","5","7","1") = "6"
    & skf18("7","2","3","4","5","8","1") = "7"
    & skf18("7","2","3","4","5","9","1") = "8"
    & skf18("7","2","3","4","5","10","1") = "9"
    & skf18("7","2","3","4","6","1","1") = "6"
    & skf18("7","2","3","4","6","2","1") = "6"
    & skf18("7","2","3","4","6","3","1") = "6"
    & skf18("7","2","3","4","6","4","1") = "6"
    & skf18("7","2","3","4","6","5","1") = "6"
    & skf18("7","2","3","4","6","6","1") = "6"
    & skf18("7","2","3","4","6","7","1") = "6"
    & skf18("7","2","3","4","6","8","1") = "7"
    & skf18("7","2","3","4","6","9","1") = "8"
    & skf18("7","2","3","4","6","10","1") = "9"
    & skf18("7","2","3","4","7","1","1") = "6"
    & skf18("7","2","3","4","7","2","1") = "6"
    & skf18("7","2","3","4","7","3","1") = "6"
    & skf18("7","2","3","4","7","4","1") = "6"
    & skf18("7","2","3","4","7","5","1") = "6"
    & skf18("7","2","3","4","7","6","1") = "6"
    & skf18("7","2","3","4","7","7","1") = "6"
    & skf18("7","2","3","4","7","8","1") = "7"
    & skf18("7","2","3","4","7","9","1") = "8"
    & skf18("7","2","3","4","7","10","1") = "9"
    & skf18("7","2","3","4","8","1","1") = "7"
    & skf18("7","2","3","4","8","2","1") = "7"
    & skf18("7","2","3","4","8","3","1") = "7"
    & skf18("7","2","3","4","8","4","1") = "7"
    & skf18("7","2","3","4","8","5","1") = "7"
    & skf18("7","2","3","4","8","6","1") = "7"
    & skf18("7","2","3","4","8","7","1") = "7"
    & skf18("7","2","3","4","8","8","1") = "7"
    & skf18("7","2","3","4","8","9","1") = "8"
    & skf18("7","2","3","4","8","10","1") = "9"
    & skf18("7","2","3","4","9","1","1") = "8"
    & skf18("7","2","3","4","9","2","1") = "8"
    & skf18("7","2","3","4","9","3","1") = "8"
    & skf18("7","2","3","4","9","4","1") = "8"
    & skf18("7","2","3","4","9","5","1") = "8"
    & skf18("7","2","3","4","9","6","1") = "8"
    & skf18("7","2","3","4","9","7","1") = "8"
    & skf18("7","2","3","4","9","8","1") = "8"
    & skf18("7","2","3","4","9","9","1") = "8"
    & skf18("7","2","3","4","9","10","1") = "9"
    & skf18("7","2","3","4","10","1","1") = "9"
    & skf18("7","2","3","4","10","2","1") = "9"
    & skf18("7","2","3","4","10","3","1") = "9"
    & skf18("7","2","3","4","10","4","1") = "9"
    & skf18("7","2","3","4","10","5","1") = "9"
    & skf18("7","2","3","4","10","6","1") = "9"
    & skf18("7","2","3","4","10","7","1") = "9"
    & skf18("7","2","3","4","10","8","1") = "9"
    & skf18("7","2","3","4","10","9","1") = "9"
    & skf18("7","2","3","4","10","10","1") = "9"
    & skf18("7","2","3","5","1","1","1") = "6"
    & skf18("7","2","3","5","1","2","1") = "6"
    & skf18("7","2","3","5","1","3","1") = "6"
    & skf18("7","2","3","5","1","4","1") = "6"
    & skf18("7","2","3","5","1","5","1") = "6"
    & skf18("7","2","3","5","1","6","1") = "6"
    & skf18("7","2","3","5","1","7","1") = "6"
    & skf18("7","2","3","5","1","8","1") = "7"
    & skf18("7","2","3","5","1","9","1") = "8"
    & skf18("7","2","3","5","1","10","1") = "9"
    & skf18("7","2","3","5","2","1","1") = "6"
    & skf18("7","2","3","5","2","2","1") = "6"
    & skf18("7","2","3","5","2","3","1") = "6"
    & skf18("7","2","3","5","2","4","1") = "6"
    & skf18("7","2","3","5","2","5","1") = "6"
    & skf18("7","2","3","5","2","6","1") = "6"
    & skf18("7","2","3","5","2","7","1") = "6"
    & skf18("7","2","3","5","2","8","1") = "7"
    & skf18("7","2","3","5","2","9","1") = "8"
    & skf18("7","2","3","5","2","10","1") = "9"
    & skf18("7","2","3","5","3","1","1") = "6"
    & skf18("7","2","3","5","3","2","1") = "6"
    & skf18("7","2","3","5","3","3","1") = "6"
    & skf18("7","2","3","5","3","4","1") = "6"
    & skf18("7","2","3","5","3","5","1") = "6"
    & skf18("7","2","3","5","3","6","1") = "6"
    & skf18("7","2","3","5","3","7","1") = "6"
    & skf18("7","2","3","5","3","8","1") = "7"
    & skf18("7","2","3","5","3","9","1") = "8"
    & skf18("7","2","3","5","3","10","1") = "9"
    & skf18("7","2","3","5","4","1","1") = "6"
    & skf18("7","2","3","5","4","2","1") = "6"
    & skf18("7","2","3","5","4","3","1") = "6"
    & skf18("7","2","3","5","4","4","1") = "6"
    & skf18("7","2","3","5","4","5","1") = "6"
    & skf18("7","2","3","5","4","6","1") = "6"
    & skf18("7","2","3","5","4","7","1") = "6"
    & skf18("7","2","3","5","4","8","1") = "7"
    & skf18("7","2","3","5","4","9","1") = "8"
    & skf18("7","2","3","5","4","10","1") = "9"
    & skf18("7","2","3","5","5","1","1") = "6"
    & skf18("7","2","3","5","5","2","1") = "6"
    & skf18("7","2","3","5","5","3","1") = "6"
    & skf18("7","2","3","5","5","4","1") = "6"
    & skf18("7","2","3","5","5","5","1") = "6"
    & skf18("7","2","3","5","5","6","1") = "6"
    & skf18("7","2","3","5","5","7","1") = "6"
    & skf18("7","2","3","5","5","8","1") = "7"
    & skf18("7","2","3","5","5","9","1") = "8"
    & skf18("7","2","3","5","5","10","1") = "9"
    & skf18("7","2","3","5","6","1","1") = "6"
    & skf18("7","2","3","5","6","2","1") = "6"
    & skf18("7","2","3","5","6","3","1") = "6"
    & skf18("7","2","3","5","6","4","1") = "6"
    & skf18("7","2","3","5","6","5","1") = "6"
    & skf18("7","2","3","5","6","6","1") = "6"
    & skf18("7","2","3","5","6","7","1") = "6"
    & skf18("7","2","3","5","6","8","1") = "7"
    & skf18("7","2","3","5","6","9","1") = "8"
    & skf18("7","2","3","5","6","10","1") = "9"
    & skf18("7","2","3","5","7","1","1") = "6"
    & skf18("7","2","3","5","7","2","1") = "6"
    & skf18("7","2","3","5","7","3","1") = "6"
    & skf18("7","2","3","5","7","4","1") = "6"
    & skf18("7","2","3","5","7","5","1") = "6"
    & skf18("7","2","3","5","7","6","1") = "6"
    & skf18("7","2","3","5","7","7","1") = "6"
    & skf18("7","2","3","5","7","8","1") = "7"
    & skf18("7","2","3","5","7","9","1") = "8"
    & skf18("7","2","3","5","7","10","1") = "9"
    & skf18("7","2","3","5","8","1","1") = "7"
    & skf18("7","2","3","5","8","2","1") = "7"
    & skf18("7","2","3","5","8","3","1") = "7"
    & skf18("7","2","3","5","8","4","1") = "7"
    & skf18("7","2","3","5","8","5","1") = "7"
    & skf18("7","2","3","5","8","6","1") = "7"
    & skf18("7","2","3","5","8","7","1") = "7"
    & skf18("7","2","3","5","8","8","1") = "7"
    & skf18("7","2","3","5","8","9","1") = "8"
    & skf18("7","2","3","5","8","10","1") = "9"
    & skf18("7","2","3","5","9","1","1") = "8"
    & skf18("7","2","3","5","9","2","1") = "8"
    & skf18("7","2","3","5","9","3","1") = "8"
    & skf18("7","2","3","5","9","4","1") = "8"
    & skf18("7","2","3","5","9","5","1") = "8"
    & skf18("7","2","3","5","9","6","1") = "8"
    & skf18("7","2","3","5","9","7","1") = "8"
    & skf18("7","2","3","5","9","8","1") = "8"
    & skf18("7","2","3","5","9","9","1") = "8"
    & skf18("7","2","3","5","9","10","1") = "9"
    & skf18("7","2","3","5","10","1","1") = "9"
    & skf18("7","2","3","5","10","2","1") = "9"
    & skf18("7","2","3","5","10","3","1") = "9"
    & skf18("7","2","3","5","10","4","1") = "9"
    & skf18("7","2","3","5","10","5","1") = "9"
    & skf18("7","2","3","5","10","6","1") = "9"
    & skf18("7","2","3","5","10","7","1") = "9"
    & skf18("7","2","3","5","10","8","1") = "9"
    & skf18("7","2","3","5","10","9","1") = "9"
    & skf18("7","2","3","5","10","10","1") = "9"
    & skf18("7","2","3","6","1","1","1") = "6"
    & skf18("7","2","3","6","1","2","1") = "6"
    & skf18("7","2","3","6","1","3","1") = "6"
    & skf18("7","2","3","6","1","4","1") = "6"
    & skf18("7","2","3","6","1","5","1") = "6"
    & skf18("7","2","3","6","1","6","1") = "6"
    & skf18("7","2","3","6","1","7","1") = "6"
    & skf18("7","2","3","6","1","8","1") = "7"
    & skf18("7","2","3","6","1","9","1") = "8"
    & skf18("7","2","3","6","1","10","1") = "9"
    & skf18("7","2","3","6","2","1","1") = "6"
    & skf18("7","2","3","6","2","2","1") = "6"
    & skf18("7","2","3","6","2","3","1") = "6"
    & skf18("7","2","3","6","2","4","1") = "6"
    & skf18("7","2","3","6","2","5","1") = "6"
    & skf18("7","2","3","6","2","6","1") = "6"
    & skf18("7","2","3","6","2","7","1") = "6"
    & skf18("7","2","3","6","2","8","1") = "7"
    & skf18("7","2","3","6","2","9","1") = "8"
    & skf18("7","2","3","6","2","10","1") = "9"
    & skf18("7","2","3","6","3","1","1") = "6"
    & skf18("7","2","3","6","3","2","1") = "6"
    & skf18("7","2","3","6","3","3","1") = "6"
    & skf18("7","2","3","6","3","4","1") = "6"
    & skf18("7","2","3","6","3","5","1") = "6"
    & skf18("7","2","3","6","3","6","1") = "6"
    & skf18("7","2","3","6","3","7","1") = "6"
    & skf18("7","2","3","6","3","8","1") = "7"
    & skf18("7","2","3","6","3","9","1") = "8"
    & skf18("7","2","3","6","3","10","1") = "9"
    & skf18("7","2","3","6","4","1","1") = "6"
    & skf18("7","2","3","6","4","2","1") = "6"
    & skf18("7","2","3","6","4","3","1") = "6"
    & skf18("7","2","3","6","4","4","1") = "6"
    & skf18("7","2","3","6","4","5","1") = "6"
    & skf18("7","2","3","6","4","6","1") = "6"
    & skf18("7","2","3","6","4","7","1") = "6"
    & skf18("7","2","3","6","4","8","1") = "7"
    & skf18("7","2","3","6","4","9","1") = "8"
    & skf18("7","2","3","6","4","10","1") = "9"
    & skf18("7","2","3","6","5","1","1") = "6"
    & skf18("7","2","3","6","5","2","1") = "6"
    & skf18("7","2","3","6","5","3","1") = "6"
    & skf18("7","2","3","6","5","4","1") = "6"
    & skf18("7","2","3","6","5","5","1") = "6"
    & skf18("7","2","3","6","5","6","1") = "6"
    & skf18("7","2","3","6","5","7","1") = "6"
    & skf18("7","2","3","6","5","8","1") = "7"
    & skf18("7","2","3","6","5","9","1") = "8"
    & skf18("7","2","3","6","5","10","1") = "9"
    & skf18("7","2","3","6","6","1","1") = "6"
    & skf18("7","2","3","6","6","2","1") = "6"
    & skf18("7","2","3","6","6","3","1") = "6"
    & skf18("7","2","3","6","6","4","1") = "6"
    & skf18("7","2","3","6","6","5","1") = "6"
    & skf18("7","2","3","6","6","6","1") = "6"
    & skf18("7","2","3","6","6","7","1") = "6"
    & skf18("7","2","3","6","6","8","1") = "7"
    & skf18("7","2","3","6","6","9","1") = "8"
    & skf18("7","2","3","6","6","10","1") = "9"
    & skf18("7","2","3","6","7","1","1") = "6"
    & skf18("7","2","3","6","7","2","1") = "6"
    & skf18("7","2","3","6","7","3","1") = "6"
    & skf18("7","2","3","6","7","4","1") = "6"
    & skf18("7","2","3","6","7","5","1") = "6"
    & skf18("7","2","3","6","7","6","1") = "6"
    & skf18("7","2","3","6","7","7","1") = "6"
    & skf18("7","2","3","6","7","8","1") = "7"
    & skf18("7","2","3","6","7","9","1") = "8"
    & skf18("7","2","3","6","7","10","1") = "9"
    & skf18("7","2","3","6","8","1","1") = "7"
    & skf18("7","2","3","6","8","2","1") = "7"
    & skf18("7","2","3","6","8","3","1") = "7"
    & skf18("7","2","3","6","8","4","1") = "7"
    & skf18("7","2","3","6","8","5","1") = "7"
    & skf18("7","2","3","6","8","6","1") = "7"
    & skf18("7","2","3","6","8","7","1") = "7"
    & skf18("7","2","3","6","8","8","1") = "7"
    & skf18("7","2","3","6","8","9","1") = "8"
    & skf18("7","2","3","6","8","10","1") = "9"
    & skf18("7","2","3","6","9","1","1") = "8"
    & skf18("7","2","3","6","9","2","1") = "8"
    & skf18("7","2","3","6","9","3","1") = "8"
    & skf18("7","2","3","6","9","4","1") = "8"
    & skf18("7","2","3","6","9","5","1") = "8"
    & skf18("7","2","3","6","9","6","1") = "8"
    & skf18("7","2","3","6","9","7","1") = "8"
    & skf18("7","2","3","6","9","8","1") = "8"
    & skf18("7","2","3","6","9","9","1") = "8"
    & skf18("7","2","3","6","9","10","1") = "9"
    & skf18("7","2","3","6","10","1","1") = "9"
    & skf18("7","2","3","6","10","2","1") = "9"
    & skf18("7","2","3","6","10","3","1") = "9"
    & skf18("7","2","3","6","10","4","1") = "9"
    & skf18("7","2","3","6","10","5","1") = "9"
    & skf18("7","2","3","6","10","6","1") = "9"
    & skf18("7","2","3","6","10","7","1") = "9"
    & skf18("7","2","3","6","10","8","1") = "9"
    & skf18("7","2","3","6","10","9","1") = "9"
    & skf18("7","2","3","6","10","10","1") = "9"
    & skf18("7","2","3","7","1","1","1") = "6"
    & skf18("7","2","3","7","1","2","1") = "6"
    & skf18("7","2","3","7","1","3","1") = "6"
    & skf18("7","2","3","7","1","4","1") = "6"
    & skf18("7","2","3","7","1","5","1") = "6"
    & skf18("7","2","3","7","1","6","1") = "6"
    & skf18("7","2","3","7","1","7","1") = "6"
    & skf18("7","2","3","7","1","8","1") = "7"
    & skf18("7","2","3","7","1","9","1") = "8"
    & skf18("7","2","3","7","1","10","1") = "9"
    & skf18("7","2","3","7","2","1","1") = "6"
    & skf18("7","2","3","7","2","2","1") = "6"
    & skf18("7","2","3","7","2","3","1") = "6"
    & skf18("7","2","3","7","2","4","1") = "6"
    & skf18("7","2","3","7","2","5","1") = "6"
    & skf18("7","2","3","7","2","6","1") = "6"
    & skf18("7","2","3","7","2","7","1") = "6"
    & skf18("7","2","3","7","2","8","1") = "7"
    & skf18("7","2","3","7","2","9","1") = "8"
    & skf18("7","2","3","7","2","10","1") = "9"
    & skf18("7","2","3","7","3","1","1") = "6"
    & skf18("7","2","3","7","3","2","1") = "6"
    & skf18("7","2","3","7","3","3","1") = "6"
    & skf18("7","2","3","7","3","4","1") = "6"
    & skf18("7","2","3","7","3","5","1") = "6"
    & skf18("7","2","3","7","3","6","1") = "6"
    & skf18("7","2","3","7","3","7","1") = "6"
    & skf18("7","2","3","7","3","8","1") = "7"
    & skf18("7","2","3","7","3","9","1") = "8"
    & skf18("7","2","3","7","3","10","1") = "9"
    & skf18("7","2","3","7","4","1","1") = "6"
    & skf18("7","2","3","7","4","2","1") = "6"
    & skf18("7","2","3","7","4","3","1") = "6"
    & skf18("7","2","3","7","4","4","1") = "6"
    & skf18("7","2","3","7","4","5","1") = "6"
    & skf18("7","2","3","7","4","6","1") = "6"
    & skf18("7","2","3","7","4","7","1") = "6"
    & skf18("7","2","3","7","4","8","1") = "7"
    & skf18("7","2","3","7","4","9","1") = "8"
    & skf18("7","2","3","7","4","10","1") = "9"
    & skf18("7","2","3","7","5","1","1") = "6"
    & skf18("7","2","3","7","5","2","1") = "6"
    & skf18("7","2","3","7","5","3","1") = "6"
    & skf18("7","2","3","7","5","4","1") = "6"
    & skf18("7","2","3","7","5","5","1") = "6"
    & skf18("7","2","3","7","5","6","1") = "6"
    & skf18("7","2","3","7","5","7","1") = "6"
    & skf18("7","2","3","7","5","8","1") = "7"
    & skf18("7","2","3","7","5","9","1") = "8"
    & skf18("7","2","3","7","5","10","1") = "9"
    & skf18("7","2","3","7","6","1","1") = "6"
    & skf18("7","2","3","7","6","2","1") = "6"
    & skf18("7","2","3","7","6","3","1") = "6"
    & skf18("7","2","3","7","6","4","1") = "6"
    & skf18("7","2","3","7","6","5","1") = "6"
    & skf18("7","2","3","7","6","6","1") = "6"
    & skf18("7","2","3","7","6","7","1") = "6"
    & skf18("7","2","3","7","6","8","1") = "7"
    & skf18("7","2","3","7","6","9","1") = "8"
    & skf18("7","2","3","7","6","10","1") = "9"
    & skf18("7","2","3","7","7","1","1") = "6"
    & skf18("7","2","3","7","7","2","1") = "6"
    & skf18("7","2","3","7","7","3","1") = "6"
    & skf18("7","2","3","7","7","4","1") = "6"
    & skf18("7","2","3","7","7","5","1") = "6"
    & skf18("7","2","3","7","7","6","1") = "6"
    & skf18("7","2","3","7","7","7","1") = "6"
    & skf18("7","2","3","7","7","8","1") = "7"
    & skf18("7","2","3","7","7","9","1") = "8"
    & skf18("7","2","3","7","7","10","1") = "9"
    & skf18("7","2","3","7","8","1","1") = "7"
    & skf18("7","2","3","7","8","2","1") = "7"
    & skf18("7","2","3","7","8","3","1") = "7"
    & skf18("7","2","3","7","8","4","1") = "7"
    & skf18("7","2","3","7","8","5","1") = "7"
    & skf18("7","2","3","7","8","6","1") = "7"
    & skf18("7","2","3","7","8","7","1") = "7"
    & skf18("7","2","3","7","8","8","1") = "7"
    & skf18("7","2","3","7","8","9","1") = "8"
    & skf18("7","2","3","7","8","10","1") = "9"
    & skf18("7","2","3","7","9","1","1") = "8"
    & skf18("7","2","3","7","9","2","1") = "8"
    & skf18("7","2","3","7","9","3","1") = "8"
    & skf18("7","2","3","7","9","4","1") = "8"
    & skf18("7","2","3","7","9","5","1") = "8"
    & skf18("7","2","3","7","9","6","1") = "8"
    & skf18("7","2","3","7","9","7","1") = "8"
    & skf18("7","2","3","7","9","8","1") = "8"
    & skf18("7","2","3","7","9","9","1") = "8"
    & skf18("7","2","3","7","9","10","1") = "9"
    & skf18("7","2","3","7","10","1","1") = "9"
    & skf18("7","2","3","7","10","2","1") = "9"
    & skf18("7","2","3","7","10","3","1") = "9"
    & skf18("7","2","3","7","10","4","1") = "9"
    & skf18("7","2","3","7","10","5","1") = "9"
    & skf18("7","2","3","7","10","6","1") = "9"
    & skf18("7","2","3","7","10","7","1") = "9"
    & skf18("7","2","3","7","10","8","1") = "9"
    & skf18("7","2","3","7","10","9","1") = "9"
    & skf18("7","2","3","7","10","10","1") = "9"
    & skf18("7","2","3","8","1","1","1") = "7"
    & skf18("7","2","3","8","1","2","1") = "7"
    & skf18("7","2","3","8","1","3","1") = "7"
    & skf18("7","2","3","8","1","4","1") = "7"
    & skf18("7","2","3","8","1","5","1") = "7"
    & skf18("7","2","3","8","1","6","1") = "7"
    & skf18("7","2","3","8","1","7","1") = "7"
    & skf18("7","2","3","8","1","8","1") = "7"
    & skf18("7","2","3","8","1","9","1") = "8"
    & skf18("7","2","3","8","1","10","1") = "9"
    & skf18("7","2","3","8","2","1","1") = "7"
    & skf18("7","2","3","8","2","2","1") = "7"
    & skf18("7","2","3","8","2","3","1") = "7"
    & skf18("7","2","3","8","2","4","1") = "7"
    & skf18("7","2","3","8","2","5","1") = "7"
    & skf18("7","2","3","8","2","6","1") = "7"
    & skf18("7","2","3","8","2","7","1") = "7"
    & skf18("7","2","3","8","2","8","1") = "7"
    & skf18("7","2","3","8","2","9","1") = "8"
    & skf18("7","2","3","8","2","10","1") = "9"
    & skf18("7","2","3","8","3","1","1") = "7"
    & skf18("7","2","3","8","3","2","1") = "7"
    & skf18("7","2","3","8","3","3","1") = "7"
    & skf18("7","2","3","8","3","4","1") = "7"
    & skf18("7","2","3","8","3","5","1") = "7"
    & skf18("7","2","3","8","3","6","1") = "7"
    & skf18("7","2","3","8","3","7","1") = "7"
    & skf18("7","2","3","8","3","8","1") = "7"
    & skf18("7","2","3","8","3","9","1") = "8"
    & skf18("7","2","3","8","3","10","1") = "9"
    & skf18("7","2","3","8","4","1","1") = "7"
    & skf18("7","2","3","8","4","2","1") = "7"
    & skf18("7","2","3","8","4","3","1") = "7"
    & skf18("7","2","3","8","4","4","1") = "7"
    & skf18("7","2","3","8","4","5","1") = "7"
    & skf18("7","2","3","8","4","6","1") = "7"
    & skf18("7","2","3","8","4","7","1") = "7"
    & skf18("7","2","3","8","4","8","1") = "7"
    & skf18("7","2","3","8","4","9","1") = "8"
    & skf18("7","2","3","8","4","10","1") = "9"
    & skf18("7","2","3","8","5","1","1") = "7"
    & skf18("7","2","3","8","5","2","1") = "7"
    & skf18("7","2","3","8","5","3","1") = "7"
    & skf18("7","2","3","8","5","4","1") = "7"
    & skf18("7","2","3","8","5","5","1") = "7"
    & skf18("7","2","3","8","5","6","1") = "7"
    & skf18("7","2","3","8","5","7","1") = "7"
    & skf18("7","2","3","8","5","8","1") = "7"
    & skf18("7","2","3","8","5","9","1") = "8"
    & skf18("7","2","3","8","5","10","1") = "9"
    & skf18("7","2","3","8","6","1","1") = "7"
    & skf18("7","2","3","8","6","2","1") = "7"
    & skf18("7","2","3","8","6","3","1") = "7"
    & skf18("7","2","3","8","6","4","1") = "7"
    & skf18("7","2","3","8","6","5","1") = "7"
    & skf18("7","2","3","8","6","6","1") = "7"
    & skf18("7","2","3","8","6","7","1") = "7"
    & skf18("7","2","3","8","6","8","1") = "7"
    & skf18("7","2","3","8","6","9","1") = "8"
    & skf18("7","2","3","8","6","10","1") = "9"
    & skf18("7","2","3","8","7","1","1") = "7"
    & skf18("7","2","3","8","7","2","1") = "7"
    & skf18("7","2","3","8","7","3","1") = "7"
    & skf18("7","2","3","8","7","4","1") = "7"
    & skf18("7","2","3","8","7","5","1") = "7"
    & skf18("7","2","3","8","7","6","1") = "7"
    & skf18("7","2","3","8","7","7","1") = "7"
    & skf18("7","2","3","8","7","8","1") = "7"
    & skf18("7","2","3","8","7","9","1") = "8"
    & skf18("7","2","3","8","7","10","1") = "9"
    & skf18("7","2","3","8","8","1","1") = "7"
    & skf18("7","2","3","8","8","2","1") = "7"
    & skf18("7","2","3","8","8","3","1") = "7"
    & skf18("7","2","3","8","8","4","1") = "7"
    & skf18("7","2","3","8","8","5","1") = "7"
    & skf18("7","2","3","8","8","6","1") = "7"
    & skf18("7","2","3","8","8","7","1") = "7"
    & skf18("7","2","3","8","8","8","1") = "7"
    & skf18("7","2","3","8","8","9","1") = "8"
    & skf18("7","2","3","8","8","10","1") = "9"
    & skf18("7","2","3","8","9","1","1") = "8"
    & skf18("7","2","3","8","9","2","1") = "8"
    & skf18("7","2","3","8","9","3","1") = "8"
    & skf18("7","2","3","8","9","4","1") = "8"
    & skf18("7","2","3","8","9","5","1") = "8"
    & skf18("7","2","3","8","9","6","1") = "8"
    & skf18("7","2","3","8","9","7","1") = "8"
    & skf18("7","2","3","8","9","8","1") = "8"
    & skf18("7","2","3","8","9","9","1") = "8"
    & skf18("7","2","3","8","9","10","1") = "9"
    & skf18("7","2","3","8","10","1","1") = "9"
    & skf18("7","2","3","8","10","2","1") = "9"
    & skf18("7","2","3","8","10","3","1") = "9"
    & skf18("7","2","3","8","10","4","1") = "9"
    & skf18("7","2","3","8","10","5","1") = "9"
    & skf18("7","2","3","8","10","6","1") = "9"
    & skf18("7","2","3","8","10","7","1") = "9"
    & skf18("7","2","3","8","10","8","1") = "9"
    & skf18("7","2","3","8","10","9","1") = "9"
    & skf18("7","2","3","8","10","10","1") = "9"
    & skf18("7","2","3","9","1","1","1") = "8"
    & skf18("7","2","3","9","1","2","1") = "8"
    & skf18("7","2","3","9","1","3","1") = "8"
    & skf18("7","2","3","9","1","4","1") = "8"
    & skf18("7","2","3","9","1","5","1") = "8"
    & skf18("7","2","3","9","1","6","1") = "8"
    & skf18("7","2","3","9","1","7","1") = "8"
    & skf18("7","2","3","9","1","8","1") = "8"
    & skf18("7","2","3","9","1","9","1") = "8"
    & skf18("7","2","3","9","1","10","1") = "9"
    & skf18("7","2","3","9","2","1","1") = "8"
    & skf18("7","2","3","9","2","2","1") = "8"
    & skf18("7","2","3","9","2","3","1") = "8"
    & skf18("7","2","3","9","2","4","1") = "8"
    & skf18("7","2","3","9","2","5","1") = "8"
    & skf18("7","2","3","9","2","6","1") = "8"
    & skf18("7","2","3","9","2","7","1") = "8"
    & skf18("7","2","3","9","2","8","1") = "8"
    & skf18("7","2","3","9","2","9","1") = "8"
    & skf18("7","2","3","9","2","10","1") = "9"
    & skf18("7","2","3","9","3","1","1") = "8"
    & skf18("7","2","3","9","3","2","1") = "8"
    & skf18("7","2","3","9","3","3","1") = "8"
    & skf18("7","2","3","9","3","4","1") = "8"
    & skf18("7","2","3","9","3","5","1") = "8"
    & skf18("7","2","3","9","3","6","1") = "8"
    & skf18("7","2","3","9","3","7","1") = "8"
    & skf18("7","2","3","9","3","8","1") = "8"
    & skf18("7","2","3","9","3","9","1") = "8"
    & skf18("7","2","3","9","3","10","1") = "9"
    & skf18("7","2","3","9","4","1","1") = "8"
    & skf18("7","2","3","9","4","2","1") = "8"
    & skf18("7","2","3","9","4","3","1") = "8"
    & skf18("7","2","3","9","4","4","1") = "8"
    & skf18("7","2","3","9","4","5","1") = "8"
    & skf18("7","2","3","9","4","6","1") = "8"
    & skf18("7","2","3","9","4","7","1") = "8"
    & skf18("7","2","3","9","4","8","1") = "8"
    & skf18("7","2","3","9","4","9","1") = "8"
    & skf18("7","2","3","9","4","10","1") = "9"
    & skf18("7","2","3","9","5","1","1") = "8"
    & skf18("7","2","3","9","5","2","1") = "8"
    & skf18("7","2","3","9","5","3","1") = "8"
    & skf18("7","2","3","9","5","4","1") = "8"
    & skf18("7","2","3","9","5","5","1") = "8"
    & skf18("7","2","3","9","5","6","1") = "8"
    & skf18("7","2","3","9","5","7","1") = "8"
    & skf18("7","2","3","9","5","8","1") = "8"
    & skf18("7","2","3","9","5","9","1") = "8"
    & skf18("7","2","3","9","5","10","1") = "9"
    & skf18("7","2","3","9","6","1","1") = "8"
    & skf18("7","2","3","9","6","2","1") = "8"
    & skf18("7","2","3","9","6","3","1") = "8"
    & skf18("7","2","3","9","6","4","1") = "8"
    & skf18("7","2","3","9","6","5","1") = "8"
    & skf18("7","2","3","9","6","6","1") = "8"
    & skf18("7","2","3","9","6","7","1") = "8"
    & skf18("7","2","3","9","6","8","1") = "8"
    & skf18("7","2","3","9","6","9","1") = "8"
    & skf18("7","2","3","9","6","10","1") = "9"
    & skf18("7","2","3","9","7","1","1") = "8"
    & skf18("7","2","3","9","7","2","1") = "8"
    & skf18("7","2","3","9","7","3","1") = "8"
    & skf18("7","2","3","9","7","4","1") = "8"
    & skf18("7","2","3","9","7","5","1") = "8"
    & skf18("7","2","3","9","7","6","1") = "8"
    & skf18("7","2","3","9","7","7","1") = "8"
    & skf18("7","2","3","9","7","8","1") = "8"
    & skf18("7","2","3","9","7","9","1") = "8"
    & skf18("7","2","3","9","7","10","1") = "9"
    & skf18("7","2","3","9","8","1","1") = "8"
    & skf18("7","2","3","9","8","2","1") = "8"
    & skf18("7","2","3","9","8","3","1") = "8"
    & skf18("7","2","3","9","8","4","1") = "8"
    & skf18("7","2","3","9","8","5","1") = "8"
    & skf18("7","2","3","9","8","6","1") = "8"
    & skf18("7","2","3","9","8","7","1") = "8"
    & skf18("7","2","3","9","8","8","1") = "8"
    & skf18("7","2","3","9","8","9","1") = "8"
    & skf18("7","2","3","9","8","10","1") = "9"
    & skf18("7","2","3","9","9","1","1") = "8"
    & skf18("7","2","3","9","9","2","1") = "8"
    & skf18("7","2","3","9","9","3","1") = "8"
    & skf18("7","2","3","9","9","4","1") = "8"
    & skf18("7","2","3","9","9","5","1") = "8"
    & skf18("7","2","3","9","9","6","1") = "8"
    & skf18("7","2","3","9","9","7","1") = "8"
    & skf18("7","2","3","9","9","8","1") = "8"
    & skf18("7","2","3","9","9","9","1") = "8"
    & skf18("7","2","3","9","9","10","1") = "9"
    & skf18("7","2","3","9","10","1","1") = "9"
    & skf18("7","2","3","9","10","2","1") = "9"
    & skf18("7","2","3","9","10","3","1") = "9"
    & skf18("7","2","3","9","10","4","1") = "9"
    & skf18("7","2","3","9","10","5","1") = "9"
    & skf18("7","2","3","9","10","6","1") = "9"
    & skf18("7","2","3","9","10","7","1") = "9"
    & skf18("7","2","3","9","10","8","1") = "9"
    & skf18("7","2","3","9","10","9","1") = "9"
    & skf18("7","2","3","9","10","10","1") = "9"
    & skf18("7","2","3","10","1","1","1") = "9"
    & skf18("7","2","3","10","1","2","1") = "9"
    & skf18("7","2","3","10","1","3","1") = "9"
    & skf18("7","2","3","10","1","4","1") = "9"
    & skf18("7","2","3","10","1","5","1") = "9"
    & skf18("7","2","3","10","1","6","1") = "9"
    & skf18("7","2","3","10","1","7","1") = "9"
    & skf18("7","2","3","10","1","8","1") = "9"
    & skf18("7","2","3","10","1","9","1") = "9"
    & skf18("7","2","3","10","1","10","1") = "9"
    & skf18("7","2","3","10","2","1","1") = "9"
    & skf18("7","2","3","10","2","2","1") = "9"
    & skf18("7","2","3","10","2","3","1") = "9"
    & skf18("7","2","3","10","2","4","1") = "9"
    & skf18("7","2","3","10","2","5","1") = "9"
    & skf18("7","2","3","10","2","6","1") = "9"
    & skf18("7","2","3","10","2","7","1") = "9"
    & skf18("7","2","3","10","2","8","1") = "9"
    & skf18("7","2","3","10","2","9","1") = "9"
    & skf18("7","2","3","10","2","10","1") = "9"
    & skf18("7","2","3","10","3","1","1") = "9"
    & skf18("7","2","3","10","3","2","1") = "9"
    & skf18("7","2","3","10","3","3","1") = "9"
    & skf18("7","2","3","10","3","4","1") = "9"
    & skf18("7","2","3","10","3","5","1") = "9"
    & skf18("7","2","3","10","3","6","1") = "9"
    & skf18("7","2","3","10","3","7","1") = "9"
    & skf18("7","2","3","10","3","8","1") = "9"
    & skf18("7","2","3","10","3","9","1") = "9"
    & skf18("7","2","3","10","3","10","1") = "9"
    & skf18("7","2","3","10","4","1","1") = "9"
    & skf18("7","2","3","10","4","2","1") = "9"
    & skf18("7","2","3","10","4","3","1") = "9"
    & skf18("7","2","3","10","4","4","1") = "9"
    & skf18("7","2","3","10","4","5","1") = "9"
    & skf18("7","2","3","10","4","6","1") = "9"
    & skf18("7","2","3","10","4","7","1") = "9"
    & skf18("7","2","3","10","4","8","1") = "9"
    & skf18("7","2","3","10","4","9","1") = "9"
    & skf18("7","2","3","10","4","10","1") = "9"
    & skf18("7","2","3","10","5","1","1") = "9"
    & skf18("7","2","3","10","5","2","1") = "9"
    & skf18("7","2","3","10","5","3","1") = "9"
    & skf18("7","2","3","10","5","4","1") = "9"
    & skf18("7","2","3","10","5","5","1") = "9"
    & skf18("7","2","3","10","5","6","1") = "9"
    & skf18("7","2","3","10","5","7","1") = "9"
    & skf18("7","2","3","10","5","8","1") = "9"
    & skf18("7","2","3","10","5","9","1") = "9"
    & skf18("7","2","3","10","5","10","1") = "9"
    & skf18("7","2","3","10","6","1","1") = "9"
    & skf18("7","2","3","10","6","2","1") = "9"
    & skf18("7","2","3","10","6","3","1") = "9"
    & skf18("7","2","3","10","6","4","1") = "9"
    & skf18("7","2","3","10","6","5","1") = "9"
    & skf18("7","2","3","10","6","6","1") = "9"
    & skf18("7","2","3","10","6","7","1") = "9"
    & skf18("7","2","3","10","6","8","1") = "9"
    & skf18("7","2","3","10","6","9","1") = "9"
    & skf18("7","2","3","10","6","10","1") = "9"
    & skf18("7","2","3","10","7","1","1") = "9"
    & skf18("7","2","3","10","7","2","1") = "9"
    & skf18("7","2","3","10","7","3","1") = "9"
    & skf18("7","2","3","10","7","4","1") = "9"
    & skf18("7","2","3","10","7","5","1") = "9"
    & skf18("7","2","3","10","7","6","1") = "9"
    & skf18("7","2","3","10","7","7","1") = "9"
    & skf18("7","2","3","10","7","8","1") = "9"
    & skf18("7","2","3","10","7","9","1") = "9"
    & skf18("7","2","3","10","7","10","1") = "9"
    & skf18("7","2","3","10","8","1","1") = "9"
    & skf18("7","2","3","10","8","2","1") = "9"
    & skf18("7","2","3","10","8","3","1") = "9"
    & skf18("7","2","3","10","8","4","1") = "9"
    & skf18("7","2","3","10","8","5","1") = "9"
    & skf18("7","2","3","10","8","6","1") = "9"
    & skf18("7","2","3","10","8","7","1") = "9"
    & skf18("7","2","3","10","8","8","1") = "9"
    & skf18("7","2","3","10","8","9","1") = "9"
    & skf18("7","2","3","10","8","10","1") = "9"
    & skf18("7","2","3","10","9","1","1") = "9"
    & skf18("7","2","3","10","9","2","1") = "9"
    & skf18("7","2","3","10","9","3","1") = "9"
    & skf18("7","2","3","10","9","4","1") = "9"
    & skf18("7","2","3","10","9","5","1") = "9"
    & skf18("7","2","3","10","9","6","1") = "9"
    & skf18("7","2","3","10","9","7","1") = "9"
    & skf18("7","2","3","10","9","8","1") = "9"
    & skf18("7","2","3","10","9","9","1") = "9"
    & skf18("7","2","3","10","9","10","1") = "9"
    & skf18("7","2","3","10","10","1","1") = "9"
    & skf18("7","2","3","10","10","2","1") = "9"
    & skf18("7","2","3","10","10","3","1") = "9"
    & skf18("7","2","3","10","10","4","1") = "9"
    & skf18("7","2","3","10","10","5","1") = "9"
    & skf18("7","2","3","10","10","6","1") = "9"
    & skf18("7","2","3","10","10","7","1") = "9"
    & skf18("7","2","3","10","10","8","1") = "9"
    & skf18("7","2","3","10","10","9","1") = "9"
    & skf18("7","2","3","10","10","10","1") = "9"
    & skf18("7","2","4","1","1","1","1") = "6"
    & skf18("7","2","4","1","1","2","1") = "6"
    & skf18("7","2","4","1","1","3","1") = "6"
    & skf18("7","2","4","1","1","4","1") = "6"
    & skf18("7","2","4","1","1","5","1") = "6"
    & skf18("7","2","4","1","1","6","1") = "6"
    & skf18("7","2","4","1","1","7","1") = "6"
    & skf18("7","2","4","1","1","8","1") = "7"
    & skf18("7","2","4","1","1","9","1") = "8"
    & skf18("7","2","4","1","1","10","1") = "9"
    & skf18("7","2","4","1","2","1","1") = "6"
    & skf18("7","2","4","1","2","2","1") = "6"
    & skf18("7","2","4","1","2","3","1") = "6"
    & skf18("7","2","4","1","2","4","1") = "6"
    & skf18("7","2","4","1","2","5","1") = "6"
    & skf18("7","2","4","1","2","6","1") = "6"
    & skf18("7","2","4","1","2","7","1") = "6"
    & skf18("7","2","4","1","2","8","1") = "7"
    & skf18("7","2","4","1","2","9","1") = "8"
    & skf18("7","2","4","1","2","10","1") = "9"
    & skf18("7","2","4","1","3","1","1") = "6"
    & skf18("7","2","4","1","3","2","1") = "6"
    & skf18("7","2","4","1","3","3","1") = "6"
    & skf18("7","2","4","1","3","4","1") = "6"
    & skf18("7","2","4","1","3","5","1") = "6"
    & skf18("7","2","4","1","3","6","1") = "6"
    & skf18("7","2","4","1","3","7","1") = "6"
    & skf18("7","2","4","1","3","8","1") = "7"
    & skf18("7","2","4","1","3","9","1") = "8"
    & skf18("7","2","4","1","3","10","1") = "9"
    & skf18("7","2","4","1","4","1","1") = "6"
    & skf18("7","2","4","1","4","2","1") = "6"
    & skf18("7","2","4","1","4","3","1") = "6"
    & skf18("7","2","4","1","4","4","1") = "6"
    & skf18("7","2","4","1","4","5","1") = "6"
    & skf18("7","2","4","1","4","6","1") = "6"
    & skf18("7","2","4","1","4","7","1") = "6"
    & skf18("7","2","4","1","4","8","1") = "7"
    & skf18("7","2","4","1","4","9","1") = "8"
    & skf18("7","2","4","1","4","10","1") = "9"
    & skf18("7","2","4","1","5","1","1") = "6"
    & skf18("7","2","4","1","5","2","1") = "6"
    & skf18("7","2","4","1","5","3","1") = "6"
    & skf18("7","2","4","1","5","4","1") = "6"
    & skf18("7","2","4","1","5","5","1") = "6"
    & skf18("7","2","4","1","5","6","1") = "6"
    & skf18("7","2","4","1","5","7","1") = "6"
    & skf18("7","2","4","1","5","8","1") = "7"
    & skf18("7","2","4","1","5","9","1") = "8"
    & skf18("7","2","4","1","5","10","1") = "9"
    & skf18("7","2","4","1","6","1","1") = "6"
    & skf18("7","2","4","1","6","2","1") = "6"
    & skf18("7","2","4","1","6","3","1") = "6"
    & skf18("7","2","4","1","6","4","1") = "6"
    & skf18("7","2","4","1","6","5","1") = "6"
    & skf18("7","2","4","1","6","6","1") = "6"
    & skf18("7","2","4","1","6","7","1") = "6"
    & skf18("7","2","4","1","6","8","1") = "7"
    & skf18("7","2","4","1","6","9","1") = "8"
    & skf18("7","2","4","1","6","10","1") = "9"
    & skf18("7","2","4","1","7","1","1") = "6"
    & skf18("7","2","4","1","7","2","1") = "6"
    & skf18("7","2","4","1","7","3","1") = "6"
    & skf18("7","2","4","1","7","4","1") = "6"
    & skf18("7","2","4","1","7","5","1") = "6"
    & skf18("7","2","4","1","7","6","1") = "6"
    & skf18("7","2","4","1","7","7","1") = "6"
    & skf18("7","2","4","1","7","8","1") = "7"
    & skf18("7","2","4","1","7","9","1") = "8"
    & skf18("7","2","4","1","7","10","1") = "9"
    & skf18("7","2","4","1","8","1","1") = "7"
    & skf18("7","2","4","1","8","2","1") = "7"
    & skf18("7","2","4","1","8","3","1") = "7"
    & skf18("7","2","4","1","8","4","1") = "7"
    & skf18("7","2","4","1","8","5","1") = "7"
    & skf18("7","2","4","1","8","6","1") = "7"
    & skf18("7","2","4","1","8","7","1") = "7"
    & skf18("7","2","4","1","8","8","1") = "7"
    & skf18("7","2","4","1","8","9","1") = "8"
    & skf18("7","2","4","1","8","10","1") = "9"
    & skf18("7","2","4","1","9","1","1") = "8"
    & skf18("7","2","4","1","9","2","1") = "8"
    & skf18("7","2","4","1","9","3","1") = "8"
    & skf18("7","2","4","1","9","4","1") = "8"
    & skf18("7","2","4","1","9","5","1") = "8"
    & skf18("7","2","4","1","9","6","1") = "8"
    & skf18("7","2","4","1","9","7","1") = "8"
    & skf18("7","2","4","1","9","8","1") = "8"
    & skf18("7","2","4","1","9","9","1") = "8"
    & skf18("7","2","4","1","9","10","1") = "9"
    & skf18("7","2","4","1","10","1","1") = "9"
    & skf18("7","2","4","1","10","2","1") = "9"
    & skf18("7","2","4","1","10","3","1") = "9"
    & skf18("7","2","4","1","10","4","1") = "9"
    & skf18("7","2","4","1","10","5","1") = "9"
    & skf18("7","2","4","1","10","6","1") = "9"
    & skf18("7","2","4","1","10","7","1") = "9"
    & skf18("7","2","4","1","10","8","1") = "9"
    & skf18("7","2","4","1","10","9","1") = "9"
    & skf18("7","2","4","1","10","10","1") = "9"
    & skf18("7","2","4","2","1","1","1") = "6"
    & skf18("7","2","4","2","1","2","1") = "6"
    & skf18("7","2","4","2","1","3","1") = "6"
    & skf18("7","2","4","2","1","4","1") = "6"
    & skf18("7","2","4","2","1","5","1") = "6"
    & skf18("7","2","4","2","1","6","1") = "6"
    & skf18("7","2","4","2","1","7","1") = "6"
    & skf18("7","2","4","2","1","8","1") = "7"
    & skf18("7","2","4","2","1","9","1") = "8"
    & skf18("7","2","4","2","1","10","1") = "9"
    & skf18("7","2","4","2","2","1","1") = "6"
    & skf18("7","2","4","2","2","2","1") = "6"
    & skf18("7","2","4","2","2","3","1") = "6"
    & skf18("7","2","4","2","2","4","1") = "6"
    & skf18("7","2","4","2","2","5","1") = "6"
    & skf18("7","2","4","2","2","6","1") = "6"
    & skf18("7","2","4","2","2","7","1") = "6"
    & skf18("7","2","4","2","2","8","1") = "7"
    & skf18("7","2","4","2","2","9","1") = "8"
    & skf18("7","2","4","2","2","10","1") = "9"
    & skf18("7","2","4","2","3","1","1") = "6"
    & skf18("7","2","4","2","3","2","1") = "6"
    & skf18("7","2","4","2","3","3","1") = "6"
    & skf18("7","2","4","2","3","4","1") = "6"
    & skf18("7","2","4","2","3","5","1") = "6"
    & skf18("7","2","4","2","3","6","1") = "6"
    & skf18("7","2","4","2","3","7","1") = "6"
    & skf18("7","2","4","2","3","8","1") = "7"
    & skf18("7","2","4","2","3","9","1") = "8"
    & skf18("7","2","4","2","3","10","1") = "9"
    & skf18("7","2","4","2","4","1","1") = "6"
    & skf18("7","2","4","2","4","2","1") = "6"
    & skf18("7","2","4","2","4","3","1") = "6"
    & skf18("7","2","4","2","4","4","1") = "6"
    & skf18("7","2","4","2","4","5","1") = "6"
    & skf18("7","2","4","2","4","6","1") = "6"
    & skf18("7","2","4","2","4","7","1") = "6"
    & skf18("7","2","4","2","4","8","1") = "7"
    & skf18("7","2","4","2","4","9","1") = "8"
    & skf18("7","2","4","2","4","10","1") = "9"
    & skf18("7","2","4","2","5","1","1") = "6"
    & skf18("7","2","4","2","5","2","1") = "6"
    & skf18("7","2","4","2","5","3","1") = "6"
    & skf18("7","2","4","2","5","4","1") = "6"
    & skf18("7","2","4","2","5","5","1") = "6"
    & skf18("7","2","4","2","5","6","1") = "6"
    & skf18("7","2","4","2","5","7","1") = "6"
    & skf18("7","2","4","2","5","8","1") = "7"
    & skf18("7","2","4","2","5","9","1") = "8"
    & skf18("7","2","4","2","5","10","1") = "9"
    & skf18("7","2","4","2","6","1","1") = "6"
    & skf18("7","2","4","2","6","2","1") = "6"
    & skf18("7","2","4","2","6","3","1") = "6"
    & skf18("7","2","4","2","6","4","1") = "6"
    & skf18("7","2","4","2","6","5","1") = "6"
    & skf18("7","2","4","2","6","6","1") = "6"
    & skf18("7","2","4","2","6","7","1") = "6"
    & skf18("7","2","4","2","6","8","1") = "7"
    & skf18("7","2","4","2","6","9","1") = "8"
    & skf18("7","2","4","2","6","10","1") = "9"
    & skf18("7","2","4","2","7","1","1") = "6"
    & skf18("7","2","4","2","7","2","1") = "6"
    & skf18("7","2","4","2","7","3","1") = "6"
    & skf18("7","2","4","2","7","4","1") = "6"
    & skf18("7","2","4","2","7","5","1") = "6"
    & skf18("7","2","4","2","7","6","1") = "6"
    & skf18("7","2","4","2","7","7","1") = "6"
    & skf18("7","2","4","2","7","8","1") = "7"
    & skf18("7","2","4","2","7","9","1") = "8"
    & skf18("7","2","4","2","7","10","1") = "9"
    & skf18("7","2","4","2","8","1","1") = "7"
    & skf18("7","2","4","2","8","2","1") = "7"
    & skf18("7","2","4","2","8","3","1") = "7"
    & skf18("7","2","4","2","8","4","1") = "7"
    & skf18("7","2","4","2","8","5","1") = "7"
    & skf18("7","2","4","2","8","6","1") = "7"
    & skf18("7","2","4","2","8","7","1") = "7"
    & skf18("7","2","4","2","8","8","1") = "7"
    & skf18("7","2","4","2","8","9","1") = "8"
    & skf18("7","2","4","2","8","10","1") = "9"
    & skf18("7","2","4","2","9","1","1") = "8"
    & skf18("7","2","4","2","9","2","1") = "8"
    & skf18("7","2","4","2","9","3","1") = "8"
    & skf18("7","2","4","2","9","4","1") = "8"
    & skf18("7","2","4","2","9","5","1") = "8"
    & skf18("7","2","4","2","9","6","1") = "8"
    & skf18("7","2","4","2","9","7","1") = "8"
    & skf18("7","2","4","2","9","8","1") = "8"
    & skf18("7","2","4","2","9","9","1") = "8"
    & skf18("7","2","4","2","9","10","1") = "9"
    & skf18("7","2","4","2","10","1","1") = "9"
    & skf18("7","2","4","2","10","2","1") = "9"
    & skf18("7","2","4","2","10","3","1") = "9"
    & skf18("7","2","4","2","10","4","1") = "9"
    & skf18("7","2","4","2","10","5","1") = "9"
    & skf18("7","2","4","2","10","6","1") = "9"
    & skf18("7","2","4","2","10","7","1") = "9"
    & skf18("7","2","4","2","10","8","1") = "9"
    & skf18("7","2","4","2","10","9","1") = "9"
    & skf18("7","2","4","2","10","10","1") = "9"
    & skf18("7","2","4","3","1","1","1") = "6"
    & skf18("7","2","4","3","1","2","1") = "6"
    & skf18("7","2","4","3","1","3","1") = "6"
    & skf18("7","2","4","3","1","4","1") = "6"
    & skf18("7","2","4","3","1","5","1") = "6"
    & skf18("7","2","4","3","1","6","1") = "6"
    & skf18("7","2","4","3","1","7","1") = "6"
    & skf18("7","2","4","3","1","8","1") = "7"
    & skf18("7","2","4","3","1","9","1") = "8"
    & skf18("7","2","4","3","1","10","1") = "9"
    & skf18("7","2","4","3","2","1","1") = "6"
    & skf18("7","2","4","3","2","2","1") = "6"
    & skf18("7","2","4","3","2","3","1") = "6"
    & skf18("7","2","4","3","2","4","1") = "6"
    & skf18("7","2","4","3","2","5","1") = "6"
    & skf18("7","2","4","3","2","6","1") = "6"
    & skf18("7","2","4","3","2","7","1") = "6"
    & skf18("7","2","4","3","2","8","1") = "7"
    & skf18("7","2","4","3","2","9","1") = "8"
    & skf18("7","2","4","3","2","10","1") = "9"
    & skf18("7","2","4","3","3","1","1") = "6"
    & skf18("7","2","4","3","3","2","1") = "6"
    & skf18("7","2","4","3","3","3","1") = "6"
    & skf18("7","2","4","3","3","4","1") = "6"
    & skf18("7","2","4","3","3","5","1") = "6"
    & skf18("7","2","4","3","3","6","1") = "6"
    & skf18("7","2","4","3","3","7","1") = "6"
    & skf18("7","2","4","3","3","8","1") = "7"
    & skf18("7","2","4","3","3","9","1") = "8"
    & skf18("7","2","4","3","3","10","1") = "9"
    & skf18("7","2","4","3","4","1","1") = "6"
    & skf18("7","2","4","3","4","2","1") = "6"
    & skf18("7","2","4","3","4","3","1") = "6"
    & skf18("7","2","4","3","4","4","1") = "6"
    & skf18("7","2","4","3","4","5","1") = "6"
    & skf18("7","2","4","3","4","6","1") = "6"
    & skf18("7","2","4","3","4","7","1") = "6"
    & skf18("7","2","4","3","4","8","1") = "7"
    & skf18("7","2","4","3","4","9","1") = "8"
    & skf18("7","2","4","3","4","10","1") = "9"
    & skf18("7","2","4","3","5","1","1") = "6"
    & skf18("7","2","4","3","5","2","1") = "6"
    & skf18("7","2","4","3","5","3","1") = "6"
    & skf18("7","2","4","3","5","4","1") = "6"
    & skf18("7","2","4","3","5","5","1") = "6"
    & skf18("7","2","4","3","5","6","1") = "6"
    & skf18("7","2","4","3","5","7","1") = "6"
    & skf18("7","2","4","3","5","8","1") = "7"
    & skf18("7","2","4","3","5","9","1") = "8"
    & skf18("7","2","4","3","5","10","1") = "9"
    & skf18("7","2","4","3","6","1","1") = "6"
    & skf18("7","2","4","3","6","2","1") = "6"
    & skf18("7","2","4","3","6","3","1") = "6"
    & skf18("7","2","4","3","6","4","1") = "6"
    & skf18("7","2","4","3","6","5","1") = "6"
    & skf18("7","2","4","3","6","6","1") = "6"
    & skf18("7","2","4","3","6","7","1") = "6"
    & skf18("7","2","4","3","6","8","1") = "7"
    & skf18("7","2","4","3","6","9","1") = "8"
    & skf18("7","2","4","3","6","10","1") = "9"
    & skf18("7","2","4","3","7","1","1") = "6"
    & skf18("7","2","4","3","7","2","1") = "6"
    & skf18("7","2","4","3","7","3","1") = "6"
    & skf18("7","2","4","3","7","4","1") = "6"
    & skf18("7","2","4","3","7","5","1") = "6"
    & skf18("7","2","4","3","7","6","1") = "6"
    & skf18("7","2","4","3","7","7","1") = "6"
    & skf18("7","2","4","3","7","8","1") = "7"
    & skf18("7","2","4","3","7","9","1") = "8"
    & skf18("7","2","4","3","7","10","1") = "9"
    & skf18("7","2","4","3","8","1","1") = "7"
    & skf18("7","2","4","3","8","2","1") = "7"
    & skf18("7","2","4","3","8","3","1") = "7"
    & skf18("7","2","4","3","8","4","1") = "7"
    & skf18("7","2","4","3","8","5","1") = "7"
    & skf18("7","2","4","3","8","6","1") = "7"
    & skf18("7","2","4","3","8","7","1") = "7"
    & skf18("7","2","4","3","8","8","1") = "7"
    & skf18("7","2","4","3","8","9","1") = "8"
    & skf18("7","2","4","3","8","10","1") = "9"
    & skf18("7","2","4","3","9","1","1") = "8"
    & skf18("7","2","4","3","9","2","1") = "8"
    & skf18("7","2","4","3","9","3","1") = "8"
    & skf18("7","2","4","3","9","4","1") = "8"
    & skf18("7","2","4","3","9","5","1") = "8"
    & skf18("7","2","4","3","9","6","1") = "8"
    & skf18("7","2","4","3","9","7","1") = "8"
    & skf18("7","2","4","3","9","8","1") = "8"
    & skf18("7","2","4","3","9","9","1") = "8"
    & skf18("7","2","4","3","9","10","1") = "9"
    & skf18("7","2","4","3","10","1","1") = "9"
    & skf18("7","2","4","3","10","2","1") = "9"
    & skf18("7","2","4","3","10","3","1") = "9"
    & skf18("7","2","4","3","10","4","1") = "9"
    & skf18("7","2","4","3","10","5","1") = "9"
    & skf18("7","2","4","3","10","6","1") = "9"
    & skf18("7","2","4","3","10","7","1") = "9"
    & skf18("7","2","4","3","10","8","1") = "9"
    & skf18("7","2","4","3","10","9","1") = "9"
    & skf18("7","2","4","3","10","10","1") = "9"
    & skf18("7","2","4","4","1","1","1") = "6"
    & skf18("7","2","4","4","1","2","1") = "6"
    & skf18("7","2","4","4","1","3","1") = "6"
    & skf18("7","2","4","4","1","4","1") = "6"
    & skf18("7","2","4","4","1","5","1") = "6"
    & skf18("7","2","4","4","1","6","1") = "6"
    & skf18("7","2","4","4","1","7","1") = "6"
    & skf18("7","2","4","4","1","8","1") = "7"
    & skf18("7","2","4","4","1","9","1") = "8"
    & skf18("7","2","4","4","1","10","1") = "9"
    & skf18("7","2","4","4","2","1","1") = "6"
    & skf18("7","2","4","4","2","2","1") = "6"
    & skf18("7","2","4","4","2","3","1") = "6"
    & skf18("7","2","4","4","2","4","1") = "6"
    & skf18("7","2","4","4","2","5","1") = "6"
    & skf18("7","2","4","4","2","6","1") = "6"
    & skf18("7","2","4","4","2","7","1") = "6"
    & skf18("7","2","4","4","2","8","1") = "7"
    & skf18("7","2","4","4","2","9","1") = "8"
    & skf18("7","2","4","4","2","10","1") = "9"
    & skf18("7","2","4","4","3","1","1") = "6"
    & skf18("7","2","4","4","3","2","1") = "6"
    & skf18("7","2","4","4","3","3","1") = "6"
    & skf18("7","2","4","4","3","4","1") = "6"
    & skf18("7","2","4","4","3","5","1") = "6"
    & skf18("7","2","4","4","3","6","1") = "6"
    & skf18("7","2","4","4","3","7","1") = "6"
    & skf18("7","2","4","4","3","8","1") = "7"
    & skf18("7","2","4","4","3","9","1") = "8"
    & skf18("7","2","4","4","3","10","1") = "9"
    & skf18("7","2","4","4","4","1","1") = "6"
    & skf18("7","2","4","4","4","2","1") = "6"
    & skf18("7","2","4","4","4","3","1") = "6"
    & skf18("7","2","4","4","4","4","1") = "6"
    & skf18("7","2","4","4","4","5","1") = "6"
    & skf18("7","2","4","4","4","6","1") = "6"
    & skf18("7","2","4","4","4","7","1") = "6"
    & skf18("7","2","4","4","4","8","1") = "7"
    & skf18("7","2","4","4","4","9","1") = "8"
    & skf18("7","2","4","4","4","10","1") = "9"
    & skf18("7","2","4","4","5","1","1") = "6"
    & skf18("7","2","4","4","5","2","1") = "6"
    & skf18("7","2","4","4","5","3","1") = "6"
    & skf18("7","2","4","4","5","4","1") = "6"
    & skf18("7","2","4","4","5","5","1") = "6"
    & skf18("7","2","4","4","5","6","1") = "6"
    & skf18("7","2","4","4","5","7","1") = "6"
    & skf18("7","2","4","4","5","8","1") = "7"
    & skf18("7","2","4","4","5","9","1") = "8"
    & skf18("7","2","4","4","5","10","1") = "9"
    & skf18("7","2","4","4","6","1","1") = "6"
    & skf18("7","2","4","4","6","2","1") = "6"
    & skf18("7","2","4","4","6","3","1") = "6"
    & skf18("7","2","4","4","6","4","1") = "6"
    & skf18("7","2","4","4","6","5","1") = "6"
    & skf18("7","2","4","4","6","6","1") = "6"
    & skf18("7","2","4","4","6","7","1") = "6"
    & skf18("7","2","4","4","6","8","1") = "7"
    & skf18("7","2","4","4","6","9","1") = "8"
    & skf18("7","2","4","4","6","10","1") = "9"
    & skf18("7","2","4","4","7","1","1") = "6"
    & skf18("7","2","4","4","7","2","1") = "6"
    & skf18("7","2","4","4","7","3","1") = "6"
    & skf18("7","2","4","4","7","4","1") = "6"
    & skf18("7","2","4","4","7","5","1") = "6"
    & skf18("7","2","4","4","7","6","1") = "6"
    & skf18("7","2","4","4","7","7","1") = "6"
    & skf18("7","2","4","4","7","8","1") = "7"
    & skf18("7","2","4","4","7","9","1") = "8"
    & skf18("7","2","4","4","7","10","1") = "9"
    & skf18("7","2","4","4","8","1","1") = "7"
    & skf18("7","2","4","4","8","2","1") = "7"
    & skf18("7","2","4","4","8","3","1") = "7"
    & skf18("7","2","4","4","8","4","1") = "7"
    & skf18("7","2","4","4","8","5","1") = "7"
    & skf18("7","2","4","4","8","6","1") = "7"
    & skf18("7","2","4","4","8","7","1") = "7"
    & skf18("7","2","4","4","8","8","1") = "7"
    & skf18("7","2","4","4","8","9","1") = "8"
    & skf18("7","2","4","4","8","10","1") = "9"
    & skf18("7","2","4","4","9","1","1") = "8"
    & skf18("7","2","4","4","9","2","1") = "8"
    & skf18("7","2","4","4","9","3","1") = "8"
    & skf18("7","2","4","4","9","4","1") = "8"
    & skf18("7","2","4","4","9","5","1") = "8"
    & skf18("7","2","4","4","9","6","1") = "8"
    & skf18("7","2","4","4","9","7","1") = "8"
    & skf18("7","2","4","4","9","8","1") = "8"
    & skf18("7","2","4","4","9","9","1") = "8"
    & skf18("7","2","4","4","9","10","1") = "9"
    & skf18("7","2","4","4","10","1","1") = "9"
    & skf18("7","2","4","4","10","2","1") = "9"
    & skf18("7","2","4","4","10","3","1") = "9"
    & skf18("7","2","4","4","10","4","1") = "9"
    & skf18("7","2","4","4","10","5","1") = "9"
    & skf18("7","2","4","4","10","6","1") = "9"
    & skf18("7","2","4","4","10","7","1") = "9"
    & skf18("7","2","4","4","10","8","1") = "9"
    & skf18("7","2","4","4","10","9","1") = "9"
    & skf18("7","2","4","4","10","10","1") = "9"
    & skf18("7","2","4","5","1","1","1") = "6"
    & skf18("7","2","4","5","1","2","1") = "6"
    & skf18("7","2","4","5","1","3","1") = "6"
    & skf18("7","2","4","5","1","4","1") = "6"
    & skf18("7","2","4","5","1","5","1") = "6"
    & skf18("7","2","4","5","1","6","1") = "6"
    & skf18("7","2","4","5","1","7","1") = "6"
    & skf18("7","2","4","5","1","8","1") = "7"
    & skf18("7","2","4","5","1","9","1") = "8"
    & skf18("7","2","4","5","1","10","1") = "9"
    & skf18("7","2","4","5","2","1","1") = "6"
    & skf18("7","2","4","5","2","2","1") = "6"
    & skf18("7","2","4","5","2","3","1") = "6"
    & skf18("7","2","4","5","2","4","1") = "6"
    & skf18("7","2","4","5","2","5","1") = "6"
    & skf18("7","2","4","5","2","6","1") = "6"
    & skf18("7","2","4","5","2","7","1") = "6"
    & skf18("7","2","4","5","2","8","1") = "7"
    & skf18("7","2","4","5","2","9","1") = "8"
    & skf18("7","2","4","5","2","10","1") = "9"
    & skf18("7","2","4","5","3","1","1") = "6"
    & skf18("7","2","4","5","3","2","1") = "6"
    & skf18("7","2","4","5","3","3","1") = "6"
    & skf18("7","2","4","5","3","4","1") = "6"
    & skf18("7","2","4","5","3","5","1") = "6"
    & skf18("7","2","4","5","3","6","1") = "6"
    & skf18("7","2","4","5","3","7","1") = "6"
    & skf18("7","2","4","5","3","8","1") = "7"
    & skf18("7","2","4","5","3","9","1") = "8"
    & skf18("7","2","4","5","3","10","1") = "9"
    & skf18("7","2","4","5","4","1","1") = "6"
    & skf18("7","2","4","5","4","2","1") = "6"
    & skf18("7","2","4","5","4","3","1") = "6"
    & skf18("7","2","4","5","4","4","1") = "6"
    & skf18("7","2","4","5","4","5","1") = "6"
    & skf18("7","2","4","5","4","6","1") = "6"
    & skf18("7","2","4","5","4","7","1") = "6"
    & skf18("7","2","4","5","4","8","1") = "7"
    & skf18("7","2","4","5","4","9","1") = "8"
    & skf18("7","2","4","5","4","10","1") = "9"
    & skf18("7","2","4","5","5","1","1") = "6"
    & skf18("7","2","4","5","5","2","1") = "6"
    & skf18("7","2","4","5","5","3","1") = "6"
    & skf18("7","2","4","5","5","4","1") = "6"
    & skf18("7","2","4","5","5","5","1") = "6"
    & skf18("7","2","4","5","5","6","1") = "6"
    & skf18("7","2","4","5","5","7","1") = "6"
    & skf18("7","2","4","5","5","8","1") = "7"
    & skf18("7","2","4","5","5","9","1") = "8"
    & skf18("7","2","4","5","5","10","1") = "9"
    & skf18("7","2","4","5","6","1","1") = "6"
    & skf18("7","2","4","5","6","2","1") = "6"
    & skf18("7","2","4","5","6","3","1") = "6"
    & skf18("7","2","4","5","6","4","1") = "6"
    & skf18("7","2","4","5","6","5","1") = "6"
    & skf18("7","2","4","5","6","6","1") = "6"
    & skf18("7","2","4","5","6","7","1") = "6"
    & skf18("7","2","4","5","6","8","1") = "7"
    & skf18("7","2","4","5","6","9","1") = "8"
    & skf18("7","2","4","5","6","10","1") = "9"
    & skf18("7","2","4","5","7","1","1") = "6"
    & skf18("7","2","4","5","7","2","1") = "6"
    & skf18("7","2","4","5","7","3","1") = "6"
    & skf18("7","2","4","5","7","4","1") = "6"
    & skf18("7","2","4","5","7","5","1") = "6"
    & skf18("7","2","4","5","7","6","1") = "6"
    & skf18("7","2","4","5","7","7","1") = "6"
    & skf18("7","2","4","5","7","8","1") = "7"
    & skf18("7","2","4","5","7","9","1") = "8"
    & skf18("7","2","4","5","7","10","1") = "9"
    & skf18("7","2","4","5","8","1","1") = "7"
    & skf18("7","2","4","5","8","2","1") = "7"
    & skf18("7","2","4","5","8","3","1") = "7"
    & skf18("7","2","4","5","8","4","1") = "7"
    & skf18("7","2","4","5","8","5","1") = "7"
    & skf18("7","2","4","5","8","6","1") = "7"
    & skf18("7","2","4","5","8","7","1") = "7"
    & skf18("7","2","4","5","8","8","1") = "7"
    & skf18("7","2","4","5","8","9","1") = "8"
    & skf18("7","2","4","5","8","10","1") = "9"
    & skf18("7","2","4","5","9","1","1") = "8"
    & skf18("7","2","4","5","9","2","1") = "8"
    & skf18("7","2","4","5","9","3","1") = "8"
    & skf18("7","2","4","5","9","4","1") = "8"
    & skf18("7","2","4","5","9","5","1") = "8"
    & skf18("7","2","4","5","9","6","1") = "8"
    & skf18("7","2","4","5","9","7","1") = "8"
    & skf18("7","2","4","5","9","8","1") = "8"
    & skf18("7","2","4","5","9","9","1") = "8"
    & skf18("7","2","4","5","9","10","1") = "9"
    & skf18("7","2","4","5","10","1","1") = "9"
    & skf18("7","2","4","5","10","2","1") = "9"
    & skf18("7","2","4","5","10","3","1") = "9"
    & skf18("7","2","4","5","10","4","1") = "9"
    & skf18("7","2","4","5","10","5","1") = "9"
    & skf18("7","2","4","5","10","6","1") = "9"
    & skf18("7","2","4","5","10","7","1") = "9"
    & skf18("7","2","4","5","10","8","1") = "9"
    & skf18("7","2","4","5","10","9","1") = "9"
    & skf18("7","2","4","5","10","10","1") = "9"
    & skf18("7","2","4","6","1","1","1") = "6"
    & skf18("7","2","4","6","1","2","1") = "6"
    & skf18("7","2","4","6","1","3","1") = "6"
    & skf18("7","2","4","6","1","4","1") = "6"
    & skf18("7","2","4","6","1","5","1") = "6"
    & skf18("7","2","4","6","1","6","1") = "6"
    & skf18("7","2","4","6","1","7","1") = "6"
    & skf18("7","2","4","6","1","8","1") = "7"
    & skf18("7","2","4","6","1","9","1") = "8"
    & skf18("7","2","4","6","1","10","1") = "9"
    & skf18("7","2","4","6","2","1","1") = "6"
    & skf18("7","2","4","6","2","2","1") = "6"
    & skf18("7","2","4","6","2","3","1") = "6"
    & skf18("7","2","4","6","2","4","1") = "6"
    & skf18("7","2","4","6","2","5","1") = "6"
    & skf18("7","2","4","6","2","6","1") = "6"
    & skf18("7","2","4","6","2","7","1") = "6"
    & skf18("7","2","4","6","2","8","1") = "7"
    & skf18("7","2","4","6","2","9","1") = "8"
    & skf18("7","2","4","6","2","10","1") = "9"
    & skf18("7","2","4","6","3","1","1") = "6"
    & skf18("7","2","4","6","3","2","1") = "6"
    & skf18("7","2","4","6","3","3","1") = "6"
    & skf18("7","2","4","6","3","4","1") = "6"
    & skf18("7","2","4","6","3","5","1") = "6"
    & skf18("7","2","4","6","3","6","1") = "6"
    & skf18("7","2","4","6","3","7","1") = "6"
    & skf18("7","2","4","6","3","8","1") = "7"
    & skf18("7","2","4","6","3","9","1") = "8"
    & skf18("7","2","4","6","3","10","1") = "9"
    & skf18("7","2","4","6","4","1","1") = "6"
    & skf18("7","2","4","6","4","2","1") = "6"
    & skf18("7","2","4","6","4","3","1") = "6"
    & skf18("7","2","4","6","4","4","1") = "6"
    & skf18("7","2","4","6","4","5","1") = "6"
    & skf18("7","2","4","6","4","6","1") = "6"
    & skf18("7","2","4","6","4","7","1") = "6"
    & skf18("7","2","4","6","4","8","1") = "7"
    & skf18("7","2","4","6","4","9","1") = "8"
    & skf18("7","2","4","6","4","10","1") = "9"
    & skf18("7","2","4","6","5","1","1") = "6"
    & skf18("7","2","4","6","5","2","1") = "6"
    & skf18("7","2","4","6","5","3","1") = "6"
    & skf18("7","2","4","6","5","4","1") = "6"
    & skf18("7","2","4","6","5","5","1") = "6"
    & skf18("7","2","4","6","5","6","1") = "6"
    & skf18("7","2","4","6","5","7","1") = "6"
    & skf18("7","2","4","6","5","8","1") = "7"
    & skf18("7","2","4","6","5","9","1") = "8"
    & skf18("7","2","4","6","5","10","1") = "9"
    & skf18("7","2","4","6","6","1","1") = "6"
    & skf18("7","2","4","6","6","2","1") = "6"
    & skf18("7","2","4","6","6","3","1") = "6"
    & skf18("7","2","4","6","6","4","1") = "6"
    & skf18("7","2","4","6","6","5","1") = "6"
    & skf18("7","2","4","6","6","6","1") = "6"
    & skf18("7","2","4","6","6","7","1") = "6"
    & skf18("7","2","4","6","6","8","1") = "7"
    & skf18("7","2","4","6","6","9","1") = "8"
    & skf18("7","2","4","6","6","10","1") = "9"
    & skf18("7","2","4","6","7","1","1") = "6"
    & skf18("7","2","4","6","7","2","1") = "6"
    & skf18("7","2","4","6","7","3","1") = "6"
    & skf18("7","2","4","6","7","4","1") = "6"
    & skf18("7","2","4","6","7","5","1") = "6"
    & skf18("7","2","4","6","7","6","1") = "6"
    & skf18("7","2","4","6","7","7","1") = "6"
    & skf18("7","2","4","6","7","8","1") = "7"
    & skf18("7","2","4","6","7","9","1") = "8"
    & skf18("7","2","4","6","7","10","1") = "9"
    & skf18("7","2","4","6","8","1","1") = "7"
    & skf18("7","2","4","6","8","2","1") = "7"
    & skf18("7","2","4","6","8","3","1") = "7"
    & skf18("7","2","4","6","8","4","1") = "7"
    & skf18("7","2","4","6","8","5","1") = "7"
    & skf18("7","2","4","6","8","6","1") = "7"
    & skf18("7","2","4","6","8","7","1") = "7"
    & skf18("7","2","4","6","8","8","1") = "7"
    & skf18("7","2","4","6","8","9","1") = "8"
    & skf18("7","2","4","6","8","10","1") = "9"
    & skf18("7","2","4","6","9","1","1") = "8"
    & skf18("7","2","4","6","9","2","1") = "8"
    & skf18("7","2","4","6","9","3","1") = "8"
    & skf18("7","2","4","6","9","4","1") = "8"
    & skf18("7","2","4","6","9","5","1") = "8"
    & skf18("7","2","4","6","9","6","1") = "8"
    & skf18("7","2","4","6","9","7","1") = "8"
    & skf18("7","2","4","6","9","8","1") = "8"
    & skf18("7","2","4","6","9","9","1") = "8"
    & skf18("7","2","4","6","9","10","1") = "9"
    & skf18("7","2","4","6","10","1","1") = "9"
    & skf18("7","2","4","6","10","2","1") = "9"
    & skf18("7","2","4","6","10","3","1") = "9"
    & skf18("7","2","4","6","10","4","1") = "9"
    & skf18("7","2","4","6","10","5","1") = "9"
    & skf18("7","2","4","6","10","6","1") = "9"
    & skf18("7","2","4","6","10","7","1") = "9"
    & skf18("7","2","4","6","10","8","1") = "9"
    & skf18("7","2","4","6","10","9","1") = "9"
    & skf18("7","2","4","6","10","10","1") = "9"
    & skf18("7","2","4","7","1","1","1") = "6"
    & skf18("7","2","4","7","1","2","1") = "6"
    & skf18("7","2","4","7","1","3","1") = "6"
    & skf18("7","2","4","7","1","4","1") = "6"
    & skf18("7","2","4","7","1","5","1") = "6"
    & skf18("7","2","4","7","1","6","1") = "6"
    & skf18("7","2","4","7","1","7","1") = "6"
    & skf18("7","2","4","7","1","8","1") = "7"
    & skf18("7","2","4","7","1","9","1") = "8"
    & skf18("7","2","4","7","1","10","1") = "9"
    & skf18("7","2","4","7","2","1","1") = "6"
    & skf18("7","2","4","7","2","2","1") = "6"
    & skf18("7","2","4","7","2","3","1") = "6"
    & skf18("7","2","4","7","2","4","1") = "6"
    & skf18("7","2","4","7","2","5","1") = "6"
    & skf18("7","2","4","7","2","6","1") = "6"
    & skf18("7","2","4","7","2","7","1") = "6"
    & skf18("7","2","4","7","2","8","1") = "7"
    & skf18("7","2","4","7","2","9","1") = "8"
    & skf18("7","2","4","7","2","10","1") = "9"
    & skf18("7","2","4","7","3","1","1") = "6"
    & skf18("7","2","4","7","3","2","1") = "6"
    & skf18("7","2","4","7","3","3","1") = "6"
    & skf18("7","2","4","7","3","4","1") = "6"
    & skf18("7","2","4","7","3","5","1") = "6"
    & skf18("7","2","4","7","3","6","1") = "6"
    & skf18("7","2","4","7","3","7","1") = "6"
    & skf18("7","2","4","7","3","8","1") = "7"
    & skf18("7","2","4","7","3","9","1") = "8"
    & skf18("7","2","4","7","3","10","1") = "9"
    & skf18("7","2","4","7","4","1","1") = "6"
    & skf18("7","2","4","7","4","2","1") = "6"
    & skf18("7","2","4","7","4","3","1") = "6"
    & skf18("7","2","4","7","4","4","1") = "6"
    & skf18("7","2","4","7","4","5","1") = "6"
    & skf18("7","2","4","7","4","6","1") = "6"
    & skf18("7","2","4","7","4","7","1") = "6"
    & skf18("7","2","4","7","4","8","1") = "7"
    & skf18("7","2","4","7","4","9","1") = "8"
    & skf18("7","2","4","7","4","10","1") = "9"
    & skf18("7","2","4","7","5","1","1") = "6"
    & skf18("7","2","4","7","5","2","1") = "6"
    & skf18("7","2","4","7","5","3","1") = "6"
    & skf18("7","2","4","7","5","4","1") = "6"
    & skf18("7","2","4","7","5","5","1") = "6"
    & skf18("7","2","4","7","5","6","1") = "6"
    & skf18("7","2","4","7","5","7","1") = "6"
    & skf18("7","2","4","7","5","8","1") = "7"
    & skf18("7","2","4","7","5","9","1") = "8"
    & skf18("7","2","4","7","5","10","1") = "9"
    & skf18("7","2","4","7","6","1","1") = "6"
    & skf18("7","2","4","7","6","2","1") = "6"
    & skf18("7","2","4","7","6","3","1") = "6"
    & skf18("7","2","4","7","6","4","1") = "6"
    & skf18("7","2","4","7","6","5","1") = "6"
    & skf18("7","2","4","7","6","6","1") = "6"
    & skf18("7","2","4","7","6","7","1") = "6"
    & skf18("7","2","4","7","6","8","1") = "7"
    & skf18("7","2","4","7","6","9","1") = "8"
    & skf18("7","2","4","7","6","10","1") = "9"
    & skf18("7","2","4","7","7","1","1") = "6"
    & skf18("7","2","4","7","7","2","1") = "6"
    & skf18("7","2","4","7","7","3","1") = "6"
    & skf18("7","2","4","7","7","4","1") = "6"
    & skf18("7","2","4","7","7","5","1") = "6"
    & skf18("7","2","4","7","7","6","1") = "6"
    & skf18("7","2","4","7","7","7","1") = "6"
    & skf18("7","2","4","7","7","8","1") = "7"
    & skf18("7","2","4","7","7","9","1") = "8"
    & skf18("7","2","4","7","7","10","1") = "9"
    & skf18("7","2","4","7","8","1","1") = "7"
    & skf18("7","2","4","7","8","2","1") = "7"
    & skf18("7","2","4","7","8","3","1") = "7"
    & skf18("7","2","4","7","8","4","1") = "7"
    & skf18("7","2","4","7","8","5","1") = "7"
    & skf18("7","2","4","7","8","6","1") = "7"
    & skf18("7","2","4","7","8","7","1") = "7"
    & skf18("7","2","4","7","8","8","1") = "7"
    & skf18("7","2","4","7","8","9","1") = "8"
    & skf18("7","2","4","7","8","10","1") = "9"
    & skf18("7","2","4","7","9","1","1") = "8"
    & skf18("7","2","4","7","9","2","1") = "8"
    & skf18("7","2","4","7","9","3","1") = "8"
    & skf18("7","2","4","7","9","4","1") = "8"
    & skf18("7","2","4","7","9","5","1") = "8"
    & skf18("7","2","4","7","9","6","1") = "8"
    & skf18("7","2","4","7","9","7","1") = "8"
    & skf18("7","2","4","7","9","8","1") = "8"
    & skf18("7","2","4","7","9","9","1") = "8"
    & skf18("7","2","4","7","9","10","1") = "9"
    & skf18("7","2","4","7","10","1","1") = "9"
    & skf18("7","2","4","7","10","2","1") = "9"
    & skf18("7","2","4","7","10","3","1") = "9"
    & skf18("7","2","4","7","10","4","1") = "9"
    & skf18("7","2","4","7","10","5","1") = "9"
    & skf18("7","2","4","7","10","6","1") = "9"
    & skf18("7","2","4","7","10","7","1") = "9"
    & skf18("7","2","4","7","10","8","1") = "9"
    & skf18("7","2","4","7","10","9","1") = "9"
    & skf18("7","2","4","7","10","10","1") = "9"
    & skf18("7","2","4","8","1","1","1") = "7"
    & skf18("7","2","4","8","1","2","1") = "7"
    & skf18("7","2","4","8","1","3","1") = "7"
    & skf18("7","2","4","8","1","4","1") = "7"
    & skf18("7","2","4","8","1","5","1") = "7"
    & skf18("7","2","4","8","1","6","1") = "7"
    & skf18("7","2","4","8","1","7","1") = "7"
    & skf18("7","2","4","8","1","8","1") = "7"
    & skf18("7","2","4","8","1","9","1") = "8"
    & skf18("7","2","4","8","1","10","1") = "9"
    & skf18("7","2","4","8","2","1","1") = "7"
    & skf18("7","2","4","8","2","2","1") = "7"
    & skf18("7","2","4","8","2","3","1") = "7"
    & skf18("7","2","4","8","2","4","1") = "7"
    & skf18("7","2","4","8","2","5","1") = "7"
    & skf18("7","2","4","8","2","6","1") = "7"
    & skf18("7","2","4","8","2","7","1") = "7"
    & skf18("7","2","4","8","2","8","1") = "7"
    & skf18("7","2","4","8","2","9","1") = "8"
    & skf18("7","2","4","8","2","10","1") = "9"
    & skf18("7","2","4","8","3","1","1") = "7"
    & skf18("7","2","4","8","3","2","1") = "7"
    & skf18("7","2","4","8","3","3","1") = "7"
    & skf18("7","2","4","8","3","4","1") = "7"
    & skf18("7","2","4","8","3","5","1") = "7"
    & skf18("7","2","4","8","3","6","1") = "7"
    & skf18("7","2","4","8","3","7","1") = "7"
    & skf18("7","2","4","8","3","8","1") = "7"
    & skf18("7","2","4","8","3","9","1") = "8"
    & skf18("7","2","4","8","3","10","1") = "9"
    & skf18("7","2","4","8","4","1","1") = "7"
    & skf18("7","2","4","8","4","2","1") = "7"
    & skf18("7","2","4","8","4","3","1") = "7"
    & skf18("7","2","4","8","4","4","1") = "7"
    & skf18("7","2","4","8","4","5","1") = "7"
    & skf18("7","2","4","8","4","6","1") = "7"
    & skf18("7","2","4","8","4","7","1") = "7"
    & skf18("7","2","4","8","4","8","1") = "7"
    & skf18("7","2","4","8","4","9","1") = "8"
    & skf18("7","2","4","8","4","10","1") = "9"
    & skf18("7","2","4","8","5","1","1") = "7"
    & skf18("7","2","4","8","5","2","1") = "7"
    & skf18("7","2","4","8","5","3","1") = "7"
    & skf18("7","2","4","8","5","4","1") = "7"
    & skf18("7","2","4","8","5","5","1") = "7"
    & skf18("7","2","4","8","5","6","1") = "7"
    & skf18("7","2","4","8","5","7","1") = "7"
    & skf18("7","2","4","8","5","8","1") = "7"
    & skf18("7","2","4","8","5","9","1") = "8"
    & skf18("7","2","4","8","5","10","1") = "9"
    & skf18("7","2","4","8","6","1","1") = "7"
    & skf18("7","2","4","8","6","2","1") = "7"
    & skf18("7","2","4","8","6","3","1") = "7"
    & skf18("7","2","4","8","6","4","1") = "7"
    & skf18("7","2","4","8","6","5","1") = "7"
    & skf18("7","2","4","8","6","6","1") = "7"
    & skf18("7","2","4","8","6","7","1") = "7"
    & skf18("7","2","4","8","6","8","1") = "7"
    & skf18("7","2","4","8","6","9","1") = "8"
    & skf18("7","2","4","8","6","10","1") = "9"
    & skf18("7","2","4","8","7","1","1") = "7"
    & skf18("7","2","4","8","7","2","1") = "7"
    & skf18("7","2","4","8","7","3","1") = "7"
    & skf18("7","2","4","8","7","4","1") = "7"
    & skf18("7","2","4","8","7","5","1") = "7"
    & skf18("7","2","4","8","7","6","1") = "7"
    & skf18("7","2","4","8","7","7","1") = "7"
    & skf18("7","2","4","8","7","8","1") = "7"
    & skf18("7","2","4","8","7","9","1") = "8"
    & skf18("7","2","4","8","7","10","1") = "9"
    & skf18("7","2","4","8","8","1","1") = "7"
    & skf18("7","2","4","8","8","2","1") = "7"
    & skf18("7","2","4","8","8","3","1") = "7"
    & skf18("7","2","4","8","8","4","1") = "7"
    & skf18("7","2","4","8","8","5","1") = "7"
    & skf18("7","2","4","8","8","6","1") = "7"
    & skf18("7","2","4","8","8","7","1") = "7"
    & skf18("7","2","4","8","8","8","1") = "7"
    & skf18("7","2","4","8","8","9","1") = "8"
    & skf18("7","2","4","8","8","10","1") = "9"
    & skf18("7","2","4","8","9","1","1") = "8"
    & skf18("7","2","4","8","9","2","1") = "8"
    & skf18("7","2","4","8","9","3","1") = "8"
    & skf18("7","2","4","8","9","4","1") = "8"
    & skf18("7","2","4","8","9","5","1") = "8"
    & skf18("7","2","4","8","9","6","1") = "8"
    & skf18("7","2","4","8","9","7","1") = "8"
    & skf18("7","2","4","8","9","8","1") = "8"
    & skf18("7","2","4","8","9","9","1") = "8"
    & skf18("7","2","4","8","9","10","1") = "9"
    & skf18("7","2","4","8","10","1","1") = "9"
    & skf18("7","2","4","8","10","2","1") = "9"
    & skf18("7","2","4","8","10","3","1") = "9"
    & skf18("7","2","4","8","10","4","1") = "9"
    & skf18("7","2","4","8","10","5","1") = "9"
    & skf18("7","2","4","8","10","6","1") = "9"
    & skf18("7","2","4","8","10","7","1") = "9"
    & skf18("7","2","4","8","10","8","1") = "9"
    & skf18("7","2","4","8","10","9","1") = "9"
    & skf18("7","2","4","8","10","10","1") = "9"
    & skf18("7","2","4","9","1","1","1") = "8"
    & skf18("7","2","4","9","1","2","1") = "8"
    & skf18("7","2","4","9","1","3","1") = "8"
    & skf18("7","2","4","9","1","4","1") = "8"
    & skf18("7","2","4","9","1","5","1") = "8"
    & skf18("7","2","4","9","1","6","1") = "8"
    & skf18("7","2","4","9","1","7","1") = "8"
    & skf18("7","2","4","9","1","8","1") = "8"
    & skf18("7","2","4","9","1","9","1") = "8"
    & skf18("7","2","4","9","1","10","1") = "9"
    & skf18("7","2","4","9","2","1","1") = "8"
    & skf18("7","2","4","9","2","2","1") = "8"
    & skf18("7","2","4","9","2","3","1") = "8"
    & skf18("7","2","4","9","2","4","1") = "8"
    & skf18("7","2","4","9","2","5","1") = "8"
    & skf18("7","2","4","9","2","6","1") = "8"
    & skf18("7","2","4","9","2","7","1") = "8"
    & skf18("7","2","4","9","2","8","1") = "8"
    & skf18("7","2","4","9","2","9","1") = "8"
    & skf18("7","2","4","9","2","10","1") = "9"
    & skf18("7","2","4","9","3","1","1") = "8"
    & skf18("7","2","4","9","3","2","1") = "8"
    & skf18("7","2","4","9","3","3","1") = "8"
    & skf18("7","2","4","9","3","4","1") = "8"
    & skf18("7","2","4","9","3","5","1") = "8"
    & skf18("7","2","4","9","3","6","1") = "8"
    & skf18("7","2","4","9","3","7","1") = "8"
    & skf18("7","2","4","9","3","8","1") = "8"
    & skf18("7","2","4","9","3","9","1") = "8"
    & skf18("7","2","4","9","3","10","1") = "9"
    & skf18("7","2","4","9","4","1","1") = "8"
    & skf18("7","2","4","9","4","2","1") = "8"
    & skf18("7","2","4","9","4","3","1") = "8"
    & skf18("7","2","4","9","4","4","1") = "8"
    & skf18("7","2","4","9","4","5","1") = "8"
    & skf18("7","2","4","9","4","6","1") = "8"
    & skf18("7","2","4","9","4","7","1") = "8"
    & skf18("7","2","4","9","4","8","1") = "8"
    & skf18("7","2","4","9","4","9","1") = "8"
    & skf18("7","2","4","9","4","10","1") = "9"
    & skf18("7","2","4","9","5","1","1") = "8"
    & skf18("7","2","4","9","5","2","1") = "8"
    & skf18("7","2","4","9","5","3","1") = "8"
    & skf18("7","2","4","9","5","4","1") = "8"
    & skf18("7","2","4","9","5","5","1") = "8"
    & skf18("7","2","4","9","5","6","1") = "8"
    & skf18("7","2","4","9","5","7","1") = "8"
    & skf18("7","2","4","9","5","8","1") = "8"
    & skf18("7","2","4","9","5","9","1") = "8"
    & skf18("7","2","4","9","5","10","1") = "9"
    & skf18("7","2","4","9","6","1","1") = "8"
    & skf18("7","2","4","9","6","2","1") = "8"
    & skf18("7","2","4","9","6","3","1") = "8"
    & skf18("7","2","4","9","6","4","1") = "8"
    & skf18("7","2","4","9","6","5","1") = "8"
    & skf18("7","2","4","9","6","6","1") = "8"
    & skf18("7","2","4","9","6","7","1") = "8"
    & skf18("7","2","4","9","6","8","1") = "8"
    & skf18("7","2","4","9","6","9","1") = "8"
    & skf18("7","2","4","9","6","10","1") = "9"
    & skf18("7","2","4","9","7","1","1") = "8"
    & skf18("7","2","4","9","7","2","1") = "8"
    & skf18("7","2","4","9","7","3","1") = "8"
    & skf18("7","2","4","9","7","4","1") = "8"
    & skf18("7","2","4","9","7","5","1") = "8"
    & skf18("7","2","4","9","7","6","1") = "8"
    & skf18("7","2","4","9","7","7","1") = "8"
    & skf18("7","2","4","9","7","8","1") = "8"
    & skf18("7","2","4","9","7","9","1") = "8"
    & skf18("7","2","4","9","7","10","1") = "9"
    & skf18("7","2","4","9","8","1","1") = "8"
    & skf18("7","2","4","9","8","2","1") = "8"
    & skf18("7","2","4","9","8","3","1") = "8"
    & skf18("7","2","4","9","8","4","1") = "8"
    & skf18("7","2","4","9","8","5","1") = "8"
    & skf18("7","2","4","9","8","6","1") = "8"
    & skf18("7","2","4","9","8","7","1") = "8"
    & skf18("7","2","4","9","8","8","1") = "8"
    & skf18("7","2","4","9","8","9","1") = "8"
    & skf18("7","2","4","9","8","10","1") = "9"
    & skf18("7","2","4","9","9","1","1") = "8"
    & skf18("7","2","4","9","9","2","1") = "8"
    & skf18("7","2","4","9","9","3","1") = "8"
    & skf18("7","2","4","9","9","4","1") = "8"
    & skf18("7","2","4","9","9","5","1") = "8"
    & skf18("7","2","4","9","9","6","1") = "8"
    & skf18("7","2","4","9","9","7","1") = "8"
    & skf18("7","2","4","9","9","8","1") = "8"
    & skf18("7","2","4","9","9","9","1") = "8"
    & skf18("7","2","4","9","9","10","1") = "9"
    & skf18("7","2","4","9","10","1","1") = "9"
    & skf18("7","2","4","9","10","2","1") = "9"
    & skf18("7","2","4","9","10","3","1") = "9"
    & skf18("7","2","4","9","10","4","1") = "9"
    & skf18("7","2","4","9","10","5","1") = "9"
    & skf18("7","2","4","9","10","6","1") = "9"
    & skf18("7","2","4","9","10","7","1") = "9"
    & skf18("7","2","4","9","10","8","1") = "9"
    & skf18("7","2","4","9","10","9","1") = "9"
    & skf18("7","2","4","9","10","10","1") = "9"
    & skf18("7","2","4","10","1","1","1") = "9"
    & skf18("7","2","4","10","1","2","1") = "9"
    & skf18("7","2","4","10","1","3","1") = "9"
    & skf18("7","2","4","10","1","4","1") = "9"
    & skf18("7","2","4","10","1","5","1") = "9"
    & skf18("7","2","4","10","1","6","1") = "9"
    & skf18("7","2","4","10","1","7","1") = "9"
    & skf18("7","2","4","10","1","8","1") = "9"
    & skf18("7","2","4","10","1","9","1") = "9"
    & skf18("7","2","4","10","1","10","1") = "9"
    & skf18("7","2","4","10","2","1","1") = "9"
    & skf18("7","2","4","10","2","2","1") = "9"
    & skf18("7","2","4","10","2","3","1") = "9"
    & skf18("7","2","4","10","2","4","1") = "9"
    & skf18("7","2","4","10","2","5","1") = "9"
    & skf18("7","2","4","10","2","6","1") = "9"
    & skf18("7","2","4","10","2","7","1") = "9"
    & skf18("7","2","4","10","2","8","1") = "9"
    & skf18("7","2","4","10","2","9","1") = "9"
    & skf18("7","2","4","10","2","10","1") = "9"
    & skf18("7","2","4","10","3","1","1") = "9"
    & skf18("7","2","4","10","3","2","1") = "9"
    & skf18("7","2","4","10","3","3","1") = "9"
    & skf18("7","2","4","10","3","4","1") = "9"
    & skf18("7","2","4","10","3","5","1") = "9"
    & skf18("7","2","4","10","3","6","1") = "9"
    & skf18("7","2","4","10","3","7","1") = "9"
    & skf18("7","2","4","10","3","8","1") = "9"
    & skf18("7","2","4","10","3","9","1") = "9"
    & skf18("7","2","4","10","3","10","1") = "9"
    & skf18("7","2","4","10","4","1","1") = "9"
    & skf18("7","2","4","10","4","2","1") = "9"
    & skf18("7","2","4","10","4","3","1") = "9"
    & skf18("7","2","4","10","4","4","1") = "9"
    & skf18("7","2","4","10","4","5","1") = "9"
    & skf18("7","2","4","10","4","6","1") = "9"
    & skf18("7","2","4","10","4","7","1") = "9"
    & skf18("7","2","4","10","4","8","1") = "9"
    & skf18("7","2","4","10","4","9","1") = "9"
    & skf18("7","2","4","10","4","10","1") = "9"
    & skf18("7","2","4","10","5","1","1") = "9"
    & skf18("7","2","4","10","5","2","1") = "9"
    & skf18("7","2","4","10","5","3","1") = "9"
    & skf18("7","2","4","10","5","4","1") = "9"
    & skf18("7","2","4","10","5","5","1") = "9"
    & skf18("7","2","4","10","5","6","1") = "9"
    & skf18("7","2","4","10","5","7","1") = "9"
    & skf18("7","2","4","10","5","8","1") = "9"
    & skf18("7","2","4","10","5","9","1") = "9"
    & skf18("7","2","4","10","5","10","1") = "9"
    & skf18("7","2","4","10","6","1","1") = "9"
    & skf18("7","2","4","10","6","2","1") = "9"
    & skf18("7","2","4","10","6","3","1") = "9"
    & skf18("7","2","4","10","6","4","1") = "9"
    & skf18("7","2","4","10","6","5","1") = "9"
    & skf18("7","2","4","10","6","6","1") = "9"
    & skf18("7","2","4","10","6","7","1") = "9"
    & skf18("7","2","4","10","6","8","1") = "9"
    & skf18("7","2","4","10","6","9","1") = "9"
    & skf18("7","2","4","10","6","10","1") = "9"
    & skf18("7","2","4","10","7","1","1") = "9"
    & skf18("7","2","4","10","7","2","1") = "9"
    & skf18("7","2","4","10","7","3","1") = "9"
    & skf18("7","2","4","10","7","4","1") = "9"
    & skf18("7","2","4","10","7","5","1") = "9"
    & skf18("7","2","4","10","7","6","1") = "9"
    & skf18("7","2","4","10","7","7","1") = "9"
    & skf18("7","2","4","10","7","8","1") = "9"
    & skf18("7","2","4","10","7","9","1") = "9"
    & skf18("7","2","4","10","7","10","1") = "9"
    & skf18("7","2","4","10","8","1","1") = "9"
    & skf18("7","2","4","10","8","2","1") = "9"
    & skf18("7","2","4","10","8","3","1") = "9"
    & skf18("7","2","4","10","8","4","1") = "9"
    & skf18("7","2","4","10","8","5","1") = "9"
    & skf18("7","2","4","10","8","6","1") = "9"
    & skf18("7","2","4","10","8","7","1") = "9"
    & skf18("7","2","4","10","8","8","1") = "9"
    & skf18("7","2","4","10","8","9","1") = "9"
    & skf18("7","2","4","10","8","10","1") = "9"
    & skf18("7","2","4","10","9","1","1") = "9"
    & skf18("7","2","4","10","9","2","1") = "9"
    & skf18("7","2","4","10","9","3","1") = "9"
    & skf18("7","2","4","10","9","4","1") = "9"
    & skf18("7","2","4","10","9","5","1") = "9"
    & skf18("7","2","4","10","9","6","1") = "9"
    & skf18("7","2","4","10","9","7","1") = "9"
    & skf18("7","2","4","10","9","8","1") = "9"
    & skf18("7","2","4","10","9","9","1") = "9"
    & skf18("7","2","4","10","9","10","1") = "9"
    & skf18("7","2","4","10","10","1","1") = "9"
    & skf18("7","2","4","10","10","2","1") = "9"
    & skf18("7","2","4","10","10","3","1") = "9"
    & skf18("7","2","4","10","10","4","1") = "9"
    & skf18("7","2","4","10","10","5","1") = "9"
    & skf18("7","2","4","10","10","6","1") = "9"
    & skf18("7","2","4","10","10","7","1") = "9"
    & skf18("7","2","4","10","10","8","1") = "9"
    & skf18("7","2","4","10","10","9","1") = "9"
    & skf18("7","2","4","10","10","10","1") = "9"
    & skf18("7","2","5","1","1","1","1") = "6"
    & skf18("7","2","5","1","1","2","1") = "6"
    & skf18("7","2","5","1","1","3","1") = "6"
    & skf18("7","2","5","1","1","4","1") = "6"
    & skf18("7","2","5","1","1","5","1") = "6"
    & skf18("7","2","5","1","1","6","1") = "6"
    & skf18("7","2","5","1","1","7","1") = "6"
    & skf18("7","2","5","1","1","8","1") = "7"
    & skf18("7","2","5","1","1","9","1") = "8"
    & skf18("7","2","5","1","1","10","1") = "9"
    & skf18("7","2","5","1","2","1","1") = "6"
    & skf18("7","2","5","1","2","2","1") = "6"
    & skf18("7","2","5","1","2","3","1") = "6"
    & skf18("7","2","5","1","2","4","1") = "6"
    & skf18("7","2","5","1","2","5","1") = "6"
    & skf18("7","2","5","1","2","6","1") = "6"
    & skf18("7","2","5","1","2","7","1") = "6"
    & skf18("7","2","5","1","2","8","1") = "7"
    & skf18("7","2","5","1","2","9","1") = "8"
    & skf18("7","2","5","1","2","10","1") = "9"
    & skf18("7","2","5","1","3","1","1") = "6"
    & skf18("7","2","5","1","3","2","1") = "6"
    & skf18("7","2","5","1","3","3","1") = "6"
    & skf18("7","2","5","1","3","4","1") = "6"
    & skf18("7","2","5","1","3","5","1") = "6"
    & skf18("7","2","5","1","3","6","1") = "6"
    & skf18("7","2","5","1","3","7","1") = "6"
    & skf18("7","2","5","1","3","8","1") = "7"
    & skf18("7","2","5","1","3","9","1") = "8"
    & skf18("7","2","5","1","3","10","1") = "9"
    & skf18("7","2","5","1","4","1","1") = "6"
    & skf18("7","2","5","1","4","2","1") = "6"
    & skf18("7","2","5","1","4","3","1") = "6"
    & skf18("7","2","5","1","4","4","1") = "6"
    & skf18("7","2","5","1","4","5","1") = "6"
    & skf18("7","2","5","1","4","6","1") = "6"
    & skf18("7","2","5","1","4","7","1") = "6"
    & skf18("7","2","5","1","4","8","1") = "7"
    & skf18("7","2","5","1","4","9","1") = "8"
    & skf18("7","2","5","1","4","10","1") = "9"
    & skf18("7","2","5","1","5","1","1") = "6"
    & skf18("7","2","5","1","5","2","1") = "6"
    & skf18("7","2","5","1","5","3","1") = "6"
    & skf18("7","2","5","1","5","4","1") = "6"
    & skf18("7","2","5","1","5","5","1") = "6"
    & skf18("7","2","5","1","5","6","1") = "6"
    & skf18("7","2","5","1","5","7","1") = "6"
    & skf18("7","2","5","1","5","8","1") = "7"
    & skf18("7","2","5","1","5","9","1") = "8"
    & skf18("7","2","5","1","5","10","1") = "9"
    & skf18("7","2","5","1","6","1","1") = "6"
    & skf18("7","2","5","1","6","2","1") = "6"
    & skf18("7","2","5","1","6","3","1") = "6"
    & skf18("7","2","5","1","6","4","1") = "6"
    & skf18("7","2","5","1","6","5","1") = "6"
    & skf18("7","2","5","1","6","6","1") = "6"
    & skf18("7","2","5","1","6","7","1") = "6"
    & skf18("7","2","5","1","6","8","1") = "7"
    & skf18("7","2","5","1","6","9","1") = "8"
    & skf18("7","2","5","1","6","10","1") = "9"
    & skf18("7","2","5","1","7","1","1") = "6"
    & skf18("7","2","5","1","7","2","1") = "6"
    & skf18("7","2","5","1","7","3","1") = "6"
    & skf18("7","2","5","1","7","4","1") = "6"
    & skf18("7","2","5","1","7","5","1") = "6"
    & skf18("7","2","5","1","7","6","1") = "6"
    & skf18("7","2","5","1","7","7","1") = "6"
    & skf18("7","2","5","1","7","8","1") = "7"
    & skf18("7","2","5","1","7","9","1") = "8"
    & skf18("7","2","5","1","7","10","1") = "9"
    & skf18("7","2","5","1","8","1","1") = "7"
    & skf18("7","2","5","1","8","2","1") = "7"
    & skf18("7","2","5","1","8","3","1") = "7"
    & skf18("7","2","5","1","8","4","1") = "7"
    & skf18("7","2","5","1","8","5","1") = "7"
    & skf18("7","2","5","1","8","6","1") = "7"
    & skf18("7","2","5","1","8","7","1") = "7"
    & skf18("7","2","5","1","8","8","1") = "7"
    & skf18("7","2","5","1","8","9","1") = "8"
    & skf18("7","2","5","1","8","10","1") = "9"
    & skf18("7","2","5","1","9","1","1") = "8"
    & skf18("7","2","5","1","9","2","1") = "8"
    & skf18("7","2","5","1","9","3","1") = "8"
    & skf18("7","2","5","1","9","4","1") = "8"
    & skf18("7","2","5","1","9","5","1") = "8"
    & skf18("7","2","5","1","9","6","1") = "8"
    & skf18("7","2","5","1","9","7","1") = "8"
    & skf18("7","2","5","1","9","8","1") = "8"
    & skf18("7","2","5","1","9","9","1") = "8"
    & skf18("7","2","5","1","9","10","1") = "9"
    & skf18("7","2","5","1","10","1","1") = "9"
    & skf18("7","2","5","1","10","2","1") = "9"
    & skf18("7","2","5","1","10","3","1") = "9"
    & skf18("7","2","5","1","10","4","1") = "9"
    & skf18("7","2","5","1","10","5","1") = "9"
    & skf18("7","2","5","1","10","6","1") = "9"
    & skf18("7","2","5","1","10","7","1") = "9"
    & skf18("7","2","5","1","10","8","1") = "9"
    & skf18("7","2","5","1","10","9","1") = "9"
    & skf18("7","2","5","1","10","10","1") = "9"
    & skf18("7","2","5","2","1","1","1") = "6"
    & skf18("7","2","5","2","1","2","1") = "6"
    & skf18("7","2","5","2","1","3","1") = "6"
    & skf18("7","2","5","2","1","4","1") = "6"
    & skf18("7","2","5","2","1","5","1") = "6"
    & skf18("7","2","5","2","1","6","1") = "6"
    & skf18("7","2","5","2","1","7","1") = "6"
    & skf18("7","2","5","2","1","8","1") = "7"
    & skf18("7","2","5","2","1","9","1") = "8"
    & skf18("7","2","5","2","1","10","1") = "9"
    & skf18("7","2","5","2","2","1","1") = "6"
    & skf18("7","2","5","2","2","2","1") = "6"
    & skf18("7","2","5","2","2","3","1") = "6"
    & skf18("7","2","5","2","2","4","1") = "6"
    & skf18("7","2","5","2","2","5","1") = "6"
    & skf18("7","2","5","2","2","6","1") = "6"
    & skf18("7","2","5","2","2","7","1") = "6"
    & skf18("7","2","5","2","2","8","1") = "7"
    & skf18("7","2","5","2","2","9","1") = "8"
    & skf18("7","2","5","2","2","10","1") = "9"
    & skf18("7","2","5","2","3","1","1") = "6"
    & skf18("7","2","5","2","3","2","1") = "6"
    & skf18("7","2","5","2","3","3","1") = "6"
    & skf18("7","2","5","2","3","4","1") = "6"
    & skf18("7","2","5","2","3","5","1") = "6"
    & skf18("7","2","5","2","3","6","1") = "6"
    & skf18("7","2","5","2","3","7","1") = "6"
    & skf18("7","2","5","2","3","8","1") = "7"
    & skf18("7","2","5","2","3","9","1") = "8"
    & skf18("7","2","5","2","3","10","1") = "9"
    & skf18("7","2","5","2","4","1","1") = "6"
    & skf18("7","2","5","2","4","2","1") = "6"
    & skf18("7","2","5","2","4","3","1") = "6"
    & skf18("7","2","5","2","4","4","1") = "6"
    & skf18("7","2","5","2","4","5","1") = "6"
    & skf18("7","2","5","2","4","6","1") = "6"
    & skf18("7","2","5","2","4","7","1") = "6"
    & skf18("7","2","5","2","4","8","1") = "7"
    & skf18("7","2","5","2","4","9","1") = "8"
    & skf18("7","2","5","2","4","10","1") = "9"
    & skf18("7","2","5","2","5","1","1") = "6"
    & skf18("7","2","5","2","5","2","1") = "6"
    & skf18("7","2","5","2","5","3","1") = "6"
    & skf18("7","2","5","2","5","4","1") = "6"
    & skf18("7","2","5","2","5","5","1") = "6"
    & skf18("7","2","5","2","5","6","1") = "6"
    & skf18("7","2","5","2","5","7","1") = "6"
    & skf18("7","2","5","2","5","8","1") = "7"
    & skf18("7","2","5","2","5","9","1") = "8"
    & skf18("7","2","5","2","5","10","1") = "9"
    & skf18("7","2","5","2","6","1","1") = "6"
    & skf18("7","2","5","2","6","2","1") = "6"
    & skf18("7","2","5","2","6","3","1") = "6"
    & skf18("7","2","5","2","6","4","1") = "6"
    & skf18("7","2","5","2","6","5","1") = "6"
    & skf18("7","2","5","2","6","6","1") = "6"
    & skf18("7","2","5","2","6","7","1") = "6"
    & skf18("7","2","5","2","6","8","1") = "7"
    & skf18("7","2","5","2","6","9","1") = "8"
    & skf18("7","2","5","2","6","10","1") = "9"
    & skf18("7","2","5","2","7","1","1") = "6"
    & skf18("7","2","5","2","7","2","1") = "6"
    & skf18("7","2","5","2","7","3","1") = "6"
    & skf18("7","2","5","2","7","4","1") = "6"
    & skf18("7","2","5","2","7","5","1") = "6"
    & skf18("7","2","5","2","7","6","1") = "6"
    & skf18("7","2","5","2","7","7","1") = "6"
    & skf18("7","2","5","2","7","8","1") = "7"
    & skf18("7","2","5","2","7","9","1") = "8"
    & skf18("7","2","5","2","7","10","1") = "9"
    & skf18("7","2","5","2","8","1","1") = "7"
    & skf18("7","2","5","2","8","2","1") = "7"
    & skf18("7","2","5","2","8","3","1") = "7"
    & skf18("7","2","5","2","8","4","1") = "7"
    & skf18("7","2","5","2","8","5","1") = "7"
    & skf18("7","2","5","2","8","6","1") = "7"
    & skf18("7","2","5","2","8","7","1") = "7"
    & skf18("7","2","5","2","8","8","1") = "7"
    & skf18("7","2","5","2","8","9","1") = "8"
    & skf18("7","2","5","2","8","10","1") = "9"
    & skf18("7","2","5","2","9","1","1") = "8"
    & skf18("7","2","5","2","9","2","1") = "8"
    & skf18("7","2","5","2","9","3","1") = "8"
    & skf18("7","2","5","2","9","4","1") = "8"
    & skf18("7","2","5","2","9","5","1") = "8"
    & skf18("7","2","5","2","9","6","1") = "8"
    & skf18("7","2","5","2","9","7","1") = "8"
    & skf18("7","2","5","2","9","8","1") = "8"
    & skf18("7","2","5","2","9","9","1") = "8"
    & skf18("7","2","5","2","9","10","1") = "9"
    & skf18("7","2","5","2","10","1","1") = "9"
    & skf18("7","2","5","2","10","2","1") = "9"
    & skf18("7","2","5","2","10","3","1") = "9"
    & skf18("7","2","5","2","10","4","1") = "9"
    & skf18("7","2","5","2","10","5","1") = "9"
    & skf18("7","2","5","2","10","6","1") = "9"
    & skf18("7","2","5","2","10","7","1") = "9"
    & skf18("7","2","5","2","10","8","1") = "9"
    & skf18("7","2","5","2","10","9","1") = "9"
    & skf18("7","2","5","2","10","10","1") = "9"
    & skf18("7","2","5","3","1","1","1") = "6"
    & skf18("7","2","5","3","1","2","1") = "6"
    & skf18("7","2","5","3","1","3","1") = "6"
    & skf18("7","2","5","3","1","4","1") = "6"
    & skf18("7","2","5","3","1","5","1") = "6"
    & skf18("7","2","5","3","1","6","1") = "6"
    & skf18("7","2","5","3","1","7","1") = "6"
    & skf18("7","2","5","3","1","8","1") = "7"
    & skf18("7","2","5","3","1","9","1") = "8"
    & skf18("7","2","5","3","1","10","1") = "9"
    & skf18("7","2","5","3","2","1","1") = "6"
    & skf18("7","2","5","3","2","2","1") = "6"
    & skf18("7","2","5","3","2","3","1") = "6"
    & skf18("7","2","5","3","2","4","1") = "6"
    & skf18("7","2","5","3","2","5","1") = "6"
    & skf18("7","2","5","3","2","6","1") = "6"
    & skf18("7","2","5","3","2","7","1") = "6"
    & skf18("7","2","5","3","2","8","1") = "7"
    & skf18("7","2","5","3","2","9","1") = "8"
    & skf18("7","2","5","3","2","10","1") = "9"
    & skf18("7","2","5","3","3","1","1") = "6"
    & skf18("7","2","5","3","3","2","1") = "6"
    & skf18("7","2","5","3","3","3","1") = "6"
    & skf18("7","2","5","3","3","4","1") = "6"
    & skf18("7","2","5","3","3","5","1") = "6"
    & skf18("7","2","5","3","3","6","1") = "6"
    & skf18("7","2","5","3","3","7","1") = "6"
    & skf18("7","2","5","3","3","8","1") = "7"
    & skf18("7","2","5","3","3","9","1") = "8"
    & skf18("7","2","5","3","3","10","1") = "9"
    & skf18("7","2","5","3","4","1","1") = "6"
    & skf18("7","2","5","3","4","2","1") = "6"
    & skf18("7","2","5","3","4","3","1") = "6"
    & skf18("7","2","5","3","4","4","1") = "6"
    & skf18("7","2","5","3","4","5","1") = "6"
    & skf18("7","2","5","3","4","6","1") = "6"
    & skf18("7","2","5","3","4","7","1") = "6"
    & skf18("7","2","5","3","4","8","1") = "7"
    & skf18("7","2","5","3","4","9","1") = "8"
    & skf18("7","2","5","3","4","10","1") = "9"
    & skf18("7","2","5","3","5","1","1") = "6"
    & skf18("7","2","5","3","5","2","1") = "6"
    & skf18("7","2","5","3","5","3","1") = "6"
    & skf18("7","2","5","3","5","4","1") = "6"
    & skf18("7","2","5","3","5","5","1") = "6"
    & skf18("7","2","5","3","5","6","1") = "6"
    & skf18("7","2","5","3","5","7","1") = "6"
    & skf18("7","2","5","3","5","8","1") = "7"
    & skf18("7","2","5","3","5","9","1") = "8"
    & skf18("7","2","5","3","5","10","1") = "9"
    & skf18("7","2","5","3","6","1","1") = "6"
    & skf18("7","2","5","3","6","2","1") = "6"
    & skf18("7","2","5","3","6","3","1") = "6"
    & skf18("7","2","5","3","6","4","1") = "6"
    & skf18("7","2","5","3","6","5","1") = "6"
    & skf18("7","2","5","3","6","6","1") = "6"
    & skf18("7","2","5","3","6","7","1") = "6"
    & skf18("7","2","5","3","6","8","1") = "7"
    & skf18("7","2","5","3","6","9","1") = "8"
    & skf18("7","2","5","3","6","10","1") = "9"
    & skf18("7","2","5","3","7","1","1") = "6"
    & skf18("7","2","5","3","7","2","1") = "6"
    & skf18("7","2","5","3","7","3","1") = "6"
    & skf18("7","2","5","3","7","4","1") = "6"
    & skf18("7","2","5","3","7","5","1") = "6"
    & skf18("7","2","5","3","7","6","1") = "6"
    & skf18("7","2","5","3","7","7","1") = "6"
    & skf18("7","2","5","3","7","8","1") = "7"
    & skf18("7","2","5","3","7","9","1") = "8"
    & skf18("7","2","5","3","7","10","1") = "9"
    & skf18("7","2","5","3","8","1","1") = "7"
    & skf18("7","2","5","3","8","2","1") = "7"
    & skf18("7","2","5","3","8","3","1") = "7"
    & skf18("7","2","5","3","8","4","1") = "7"
    & skf18("7","2","5","3","8","5","1") = "7"
    & skf18("7","2","5","3","8","6","1") = "7"
    & skf18("7","2","5","3","8","7","1") = "7"
    & skf18("7","2","5","3","8","8","1") = "7"
    & skf18("7","2","5","3","8","9","1") = "8"
    & skf18("7","2","5","3","8","10","1") = "9"
    & skf18("7","2","5","3","9","1","1") = "8"
    & skf18("7","2","5","3","9","2","1") = "8"
    & skf18("7","2","5","3","9","3","1") = "8"
    & skf18("7","2","5","3","9","4","1") = "8"
    & skf18("7","2","5","3","9","5","1") = "8"
    & skf18("7","2","5","3","9","6","1") = "8"
    & skf18("7","2","5","3","9","7","1") = "8"
    & skf18("7","2","5","3","9","8","1") = "8"
    & skf18("7","2","5","3","9","9","1") = "8"
    & skf18("7","2","5","3","9","10","1") = "9"
    & skf18("7","2","5","3","10","1","1") = "9"
    & skf18("7","2","5","3","10","2","1") = "9"
    & skf18("7","2","5","3","10","3","1") = "9"
    & skf18("7","2","5","3","10","4","1") = "9"
    & skf18("7","2","5","3","10","5","1") = "9"
    & skf18("7","2","5","3","10","6","1") = "9"
    & skf18("7","2","5","3","10","7","1") = "9"
    & skf18("7","2","5","3","10","8","1") = "9"
    & skf18("7","2","5","3","10","9","1") = "9"
    & skf18("7","2","5","3","10","10","1") = "9"
    & skf18("7","2","5","4","1","1","1") = "6"
    & skf18("7","2","5","4","1","2","1") = "6"
    & skf18("7","2","5","4","1","3","1") = "6"
    & skf18("7","2","5","4","1","4","1") = "6"
    & skf18("7","2","5","4","1","5","1") = "6"
    & skf18("7","2","5","4","1","6","1") = "6"
    & skf18("7","2","5","4","1","7","1") = "6"
    & skf18("7","2","5","4","1","8","1") = "7"
    & skf18("7","2","5","4","1","9","1") = "8"
    & skf18("7","2","5","4","1","10","1") = "9"
    & skf18("7","2","5","4","2","1","1") = "6"
    & skf18("7","2","5","4","2","2","1") = "6"
    & skf18("7","2","5","4","2","3","1") = "6"
    & skf18("7","2","5","4","2","4","1") = "6"
    & skf18("7","2","5","4","2","5","1") = "6"
    & skf18("7","2","5","4","2","6","1") = "6"
    & skf18("7","2","5","4","2","7","1") = "6"
    & skf18("7","2","5","4","2","8","1") = "7"
    & skf18("7","2","5","4","2","9","1") = "8"
    & skf18("7","2","5","4","2","10","1") = "9"
    & skf18("7","2","5","4","3","1","1") = "6"
    & skf18("7","2","5","4","3","2","1") = "6"
    & skf18("7","2","5","4","3","3","1") = "6"
    & skf18("7","2","5","4","3","4","1") = "6"
    & skf18("7","2","5","4","3","5","1") = "6"
    & skf18("7","2","5","4","3","6","1") = "6"
    & skf18("7","2","5","4","3","7","1") = "6"
    & skf18("7","2","5","4","3","8","1") = "7"
    & skf18("7","2","5","4","3","9","1") = "8"
    & skf18("7","2","5","4","3","10","1") = "9"
    & skf18("7","2","5","4","4","1","1") = "6"
    & skf18("7","2","5","4","4","2","1") = "6"
    & skf18("7","2","5","4","4","3","1") = "6"
    & skf18("7","2","5","4","4","4","1") = "6"
    & skf18("7","2","5","4","4","5","1") = "6"
    & skf18("7","2","5","4","4","6","1") = "6"
    & skf18("7","2","5","4","4","7","1") = "6"
    & skf18("7","2","5","4","4","8","1") = "7"
    & skf18("7","2","5","4","4","9","1") = "8"
    & skf18("7","2","5","4","4","10","1") = "9"
    & skf18("7","2","5","4","5","1","1") = "6"
    & skf18("7","2","5","4","5","2","1") = "6"
    & skf18("7","2","5","4","5","3","1") = "6"
    & skf18("7","2","5","4","5","4","1") = "6"
    & skf18("7","2","5","4","5","5","1") = "6"
    & skf18("7","2","5","4","5","6","1") = "6"
    & skf18("7","2","5","4","5","7","1") = "6"
    & skf18("7","2","5","4","5","8","1") = "7"
    & skf18("7","2","5","4","5","9","1") = "8"
    & skf18("7","2","5","4","5","10","1") = "9"
    & skf18("7","2","5","4","6","1","1") = "6"
    & skf18("7","2","5","4","6","2","1") = "6"
    & skf18("7","2","5","4","6","3","1") = "6"
    & skf18("7","2","5","4","6","4","1") = "6"
    & skf18("7","2","5","4","6","5","1") = "6"
    & skf18("7","2","5","4","6","6","1") = "6"
    & skf18("7","2","5","4","6","7","1") = "6"
    & skf18("7","2","5","4","6","8","1") = "7"
    & skf18("7","2","5","4","6","9","1") = "8"
    & skf18("7","2","5","4","6","10","1") = "9"
    & skf18("7","2","5","4","7","1","1") = "6"
    & skf18("7","2","5","4","7","2","1") = "6"
    & skf18("7","2","5","4","7","3","1") = "6"
    & skf18("7","2","5","4","7","4","1") = "6"
    & skf18("7","2","5","4","7","5","1") = "6"
    & skf18("7","2","5","4","7","6","1") = "6"
    & skf18("7","2","5","4","7","7","1") = "6"
    & skf18("7","2","5","4","7","8","1") = "7"
    & skf18("7","2","5","4","7","9","1") = "8"
    & skf18("7","2","5","4","7","10","1") = "9"
    & skf18("7","2","5","4","8","1","1") = "7"
    & skf18("7","2","5","4","8","2","1") = "7"
    & skf18("7","2","5","4","8","3","1") = "7"
    & skf18("7","2","5","4","8","4","1") = "7"
    & skf18("7","2","5","4","8","5","1") = "7"
    & skf18("7","2","5","4","8","6","1") = "7"
    & skf18("7","2","5","4","8","7","1") = "7"
    & skf18("7","2","5","4","8","8","1") = "7"
    & skf18("7","2","5","4","8","9","1") = "8"
    & skf18("7","2","5","4","8","10","1") = "9"
    & skf18("7","2","5","4","9","1","1") = "8"
    & skf18("7","2","5","4","9","2","1") = "8"
    & skf18("7","2","5","4","9","3","1") = "8"
    & skf18("7","2","5","4","9","4","1") = "8"
    & skf18("7","2","5","4","9","5","1") = "8"
    & skf18("7","2","5","4","9","6","1") = "8"
    & skf18("7","2","5","4","9","7","1") = "8"
    & skf18("7","2","5","4","9","8","1") = "8"
    & skf18("7","2","5","4","9","9","1") = "8"
    & skf18("7","2","5","4","9","10","1") = "9"
    & skf18("7","2","5","4","10","1","1") = "9"
    & skf18("7","2","5","4","10","2","1") = "9"
    & skf18("7","2","5","4","10","3","1") = "9"
    & skf18("7","2","5","4","10","4","1") = "9"
    & skf18("7","2","5","4","10","5","1") = "9"
    & skf18("7","2","5","4","10","6","1") = "9"
    & skf18("7","2","5","4","10","7","1") = "9"
    & skf18("7","2","5","4","10","8","1") = "9"
    & skf18("7","2","5","4","10","9","1") = "9"
    & skf18("7","2","5","4","10","10","1") = "9"
    & skf18("7","2","5","5","1","1","1") = "6"
    & skf18("7","2","5","5","1","2","1") = "6"
    & skf18("7","2","5","5","1","3","1") = "6"
    & skf18("7","2","5","5","1","4","1") = "6"
    & skf18("7","2","5","5","1","5","1") = "6"
    & skf18("7","2","5","5","1","6","1") = "6"
    & skf18("7","2","5","5","1","7","1") = "6"
    & skf18("7","2","5","5","1","8","1") = "7"
    & skf18("7","2","5","5","1","9","1") = "8"
    & skf18("7","2","5","5","1","10","1") = "9"
    & skf18("7","2","5","5","2","1","1") = "6"
    & skf18("7","2","5","5","2","2","1") = "6"
    & skf18("7","2","5","5","2","3","1") = "6"
    & skf18("7","2","5","5","2","4","1") = "6"
    & skf18("7","2","5","5","2","5","1") = "6"
    & skf18("7","2","5","5","2","6","1") = "6"
    & skf18("7","2","5","5","2","7","1") = "6"
    & skf18("7","2","5","5","2","8","1") = "7"
    & skf18("7","2","5","5","2","9","1") = "8"
    & skf18("7","2","5","5","2","10","1") = "9"
    & skf18("7","2","5","5","3","1","1") = "6"
    & skf18("7","2","5","5","3","2","1") = "6"
    & skf18("7","2","5","5","3","3","1") = "6"
    & skf18("7","2","5","5","3","4","1") = "6"
    & skf18("7","2","5","5","3","5","1") = "6"
    & skf18("7","2","5","5","3","6","1") = "6"
    & skf18("7","2","5","5","3","7","1") = "6"
    & skf18("7","2","5","5","3","8","1") = "7"
    & skf18("7","2","5","5","3","9","1") = "8"
    & skf18("7","2","5","5","3","10","1") = "9"
    & skf18("7","2","5","5","4","1","1") = "6"
    & skf18("7","2","5","5","4","2","1") = "6"
    & skf18("7","2","5","5","4","3","1") = "6"
    & skf18("7","2","5","5","4","4","1") = "6"
    & skf18("7","2","5","5","4","5","1") = "6"
    & skf18("7","2","5","5","4","6","1") = "6"
    & skf18("7","2","5","5","4","7","1") = "6"
    & skf18("7","2","5","5","4","8","1") = "7"
    & skf18("7","2","5","5","4","9","1") = "8"
    & skf18("7","2","5","5","4","10","1") = "9"
    & skf18("7","2","5","5","5","1","1") = "6"
    & skf18("7","2","5","5","5","2","1") = "6"
    & skf18("7","2","5","5","5","3","1") = "6"
    & skf18("7","2","5","5","5","4","1") = "6"
    & skf18("7","2","5","5","5","5","1") = "6"
    & skf18("7","2","5","5","5","6","1") = "6"
    & skf18("7","2","5","5","5","7","1") = "6"
    & skf18("7","2","5","5","5","8","1") = "7"
    & skf18("7","2","5","5","5","9","1") = "8"
    & skf18("7","2","5","5","5","10","1") = "9"
    & skf18("7","2","5","5","6","1","1") = "6"
    & skf18("7","2","5","5","6","2","1") = "6"
    & skf18("7","2","5","5","6","3","1") = "6"
    & skf18("7","2","5","5","6","4","1") = "6"
    & skf18("7","2","5","5","6","5","1") = "6"
    & skf18("7","2","5","5","6","6","1") = "6"
    & skf18("7","2","5","5","6","7","1") = "6"
    & skf18("7","2","5","5","6","8","1") = "7"
    & skf18("7","2","5","5","6","9","1") = "8"
    & skf18("7","2","5","5","6","10","1") = "9"
    & skf18("7","2","5","5","7","1","1") = "6"
    & skf18("7","2","5","5","7","2","1") = "6"
    & skf18("7","2","5","5","7","3","1") = "6"
    & skf18("7","2","5","5","7","4","1") = "6"
    & skf18("7","2","5","5","7","5","1") = "6"
    & skf18("7","2","5","5","7","6","1") = "6"
    & skf18("7","2","5","5","7","7","1") = "6"
    & skf18("7","2","5","5","7","8","1") = "7"
    & skf18("7","2","5","5","7","9","1") = "8"
    & skf18("7","2","5","5","7","10","1") = "9"
    & skf18("7","2","5","5","8","1","1") = "7"
    & skf18("7","2","5","5","8","2","1") = "7"
    & skf18("7","2","5","5","8","3","1") = "7"
    & skf18("7","2","5","5","8","4","1") = "7"
    & skf18("7","2","5","5","8","5","1") = "7"
    & skf18("7","2","5","5","8","6","1") = "7"
    & skf18("7","2","5","5","8","7","1") = "7"
    & skf18("7","2","5","5","8","8","1") = "7"
    & skf18("7","2","5","5","8","9","1") = "8"
    & skf18("7","2","5","5","8","10","1") = "9"
    & skf18("7","2","5","5","9","1","1") = "8"
    & skf18("7","2","5","5","9","2","1") = "8"
    & skf18("7","2","5","5","9","3","1") = "8"
    & skf18("7","2","5","5","9","4","1") = "8"
    & skf18("7","2","5","5","9","5","1") = "8"
    & skf18("7","2","5","5","9","6","1") = "8"
    & skf18("7","2","5","5","9","7","1") = "8"
    & skf18("7","2","5","5","9","8","1") = "8"
    & skf18("7","2","5","5","9","9","1") = "8"
    & skf18("7","2","5","5","9","10","1") = "9"
    & skf18("7","2","5","5","10","1","1") = "9"
    & skf18("7","2","5","5","10","2","1") = "9"
    & skf18("7","2","5","5","10","3","1") = "9"
    & skf18("7","2","5","5","10","4","1") = "9"
    & skf18("7","2","5","5","10","5","1") = "9"
    & skf18("7","2","5","5","10","6","1") = "9"
    & skf18("7","2","5","5","10","7","1") = "9"
    & skf18("7","2","5","5","10","8","1") = "9"
    & skf18("7","2","5","5","10","9","1") = "9"
    & skf18("7","2","5","5","10","10","1") = "9"
    & skf18("7","2","5","6","1","1","1") = "6"
    & skf18("7","2","5","6","1","2","1") = "6"
    & skf18("7","2","5","6","1","3","1") = "6"
    & skf18("7","2","5","6","1","4","1") = "6"
    & skf18("7","2","5","6","1","5","1") = "6"
    & skf18("7","2","5","6","1","6","1") = "6"
    & skf18("7","2","5","6","1","7","1") = "6"
    & skf18("7","2","5","6","1","8","1") = "7"
    & skf18("7","2","5","6","1","9","1") = "8"
    & skf18("7","2","5","6","1","10","1") = "9"
    & skf18("7","2","5","6","2","1","1") = "6"
    & skf18("7","2","5","6","2","2","1") = "6"
    & skf18("7","2","5","6","2","3","1") = "6"
    & skf18("7","2","5","6","2","4","1") = "6"
    & skf18("7","2","5","6","2","5","1") = "6"
    & skf18("7","2","5","6","2","6","1") = "6"
    & skf18("7","2","5","6","2","7","1") = "6"
    & skf18("7","2","5","6","2","8","1") = "7"
    & skf18("7","2","5","6","2","9","1") = "8"
    & skf18("7","2","5","6","2","10","1") = "9"
    & skf18("7","2","5","6","3","1","1") = "6"
    & skf18("7","2","5","6","3","2","1") = "6"
    & skf18("7","2","5","6","3","3","1") = "6"
    & skf18("7","2","5","6","3","4","1") = "6"
    & skf18("7","2","5","6","3","5","1") = "6"
    & skf18("7","2","5","6","3","6","1") = "6"
    & skf18("7","2","5","6","3","7","1") = "6"
    & skf18("7","2","5","6","3","8","1") = "7"
    & skf18("7","2","5","6","3","9","1") = "8"
    & skf18("7","2","5","6","3","10","1") = "9"
    & skf18("7","2","5","6","4","1","1") = "6"
    & skf18("7","2","5","6","4","2","1") = "6"
    & skf18("7","2","5","6","4","3","1") = "6"
    & skf18("7","2","5","6","4","4","1") = "6"
    & skf18("7","2","5","6","4","5","1") = "6"
    & skf18("7","2","5","6","4","6","1") = "6"
    & skf18("7","2","5","6","4","7","1") = "6"
    & skf18("7","2","5","6","4","8","1") = "7"
    & skf18("7","2","5","6","4","9","1") = "8"
    & skf18("7","2","5","6","4","10","1") = "9"
    & skf18("7","2","5","6","5","1","1") = "6"
    & skf18("7","2","5","6","5","2","1") = "6"
    & skf18("7","2","5","6","5","3","1") = "6"
    & skf18("7","2","5","6","5","4","1") = "6"
    & skf18("7","2","5","6","5","5","1") = "6"
    & skf18("7","2","5","6","5","6","1") = "6"
    & skf18("7","2","5","6","5","7","1") = "6"
    & skf18("7","2","5","6","5","8","1") = "7"
    & skf18("7","2","5","6","5","9","1") = "8"
    & skf18("7","2","5","6","5","10","1") = "9"
    & skf18("7","2","5","6","6","1","1") = "6"
    & skf18("7","2","5","6","6","2","1") = "6"
    & skf18("7","2","5","6","6","3","1") = "6"
    & skf18("7","2","5","6","6","4","1") = "6"
    & skf18("7","2","5","6","6","5","1") = "6"
    & skf18("7","2","5","6","6","6","1") = "6"
    & skf18("7","2","5","6","6","7","1") = "6"
    & skf18("7","2","5","6","6","8","1") = "7"
    & skf18("7","2","5","6","6","9","1") = "8"
    & skf18("7","2","5","6","6","10","1") = "9"
    & skf18("7","2","5","6","7","1","1") = "6"
    & skf18("7","2","5","6","7","2","1") = "6"
    & skf18("7","2","5","6","7","3","1") = "6"
    & skf18("7","2","5","6","7","4","1") = "6"
    & skf18("7","2","5","6","7","5","1") = "6"
    & skf18("7","2","5","6","7","6","1") = "6"
    & skf18("7","2","5","6","7","7","1") = "6"
    & skf18("7","2","5","6","7","8","1") = "7"
    & skf18("7","2","5","6","7","9","1") = "8"
    & skf18("7","2","5","6","7","10","1") = "9"
    & skf18("7","2","5","6","8","1","1") = "7"
    & skf18("7","2","5","6","8","2","1") = "7"
    & skf18("7","2","5","6","8","3","1") = "7"
    & skf18("7","2","5","6","8","4","1") = "7"
    & skf18("7","2","5","6","8","5","1") = "7"
    & skf18("7","2","5","6","8","6","1") = "7"
    & skf18("7","2","5","6","8","7","1") = "7"
    & skf18("7","2","5","6","8","8","1") = "7"
    & skf18("7","2","5","6","8","9","1") = "8"
    & skf18("7","2","5","6","8","10","1") = "9"
    & skf18("7","2","5","6","9","1","1") = "8"
    & skf18("7","2","5","6","9","2","1") = "8"
    & skf18("7","2","5","6","9","3","1") = "8"
    & skf18("7","2","5","6","9","4","1") = "8"
    & skf18("7","2","5","6","9","5","1") = "8"
    & skf18("7","2","5","6","9","6","1") = "8"
    & skf18("7","2","5","6","9","7","1") = "8"
    & skf18("7","2","5","6","9","8","1") = "8"
    & skf18("7","2","5","6","9","9","1") = "8"
    & skf18("7","2","5","6","9","10","1") = "9"
    & skf18("7","2","5","6","10","1","1") = "9"
    & skf18("7","2","5","6","10","2","1") = "9"
    & skf18("7","2","5","6","10","3","1") = "9"
    & skf18("7","2","5","6","10","4","1") = "9"
    & skf18("7","2","5","6","10","5","1") = "9"
    & skf18("7","2","5","6","10","6","1") = "9"
    & skf18("7","2","5","6","10","7","1") = "9"
    & skf18("7","2","5","6","10","8","1") = "9"
    & skf18("7","2","5","6","10","9","1") = "9"
    & skf18("7","2","5","6","10","10","1") = "9"
    & skf18("7","2","5","7","1","1","1") = "6"
    & skf18("7","2","5","7","1","2","1") = "6"
    & skf18("7","2","5","7","1","3","1") = "6"
    & skf18("7","2","5","7","1","4","1") = "6"
    & skf18("7","2","5","7","1","5","1") = "6"
    & skf18("7","2","5","7","1","6","1") = "6"
    & skf18("7","2","5","7","1","7","1") = "6"
    & skf18("7","2","5","7","1","8","1") = "7"
    & skf18("7","2","5","7","1","9","1") = "8"
    & skf18("7","2","5","7","1","10","1") = "9"
    & skf18("7","2","5","7","2","1","1") = "6"
    & skf18("7","2","5","7","2","2","1") = "6"
    & skf18("7","2","5","7","2","3","1") = "6"
    & skf18("7","2","5","7","2","4","1") = "6"
    & skf18("7","2","5","7","2","5","1") = "6"
    & skf18("7","2","5","7","2","6","1") = "6"
    & skf18("7","2","5","7","2","7","1") = "6"
    & skf18("7","2","5","7","2","8","1") = "7"
    & skf18("7","2","5","7","2","9","1") = "8"
    & skf18("7","2","5","7","2","10","1") = "9"
    & skf18("7","2","5","7","3","1","1") = "6"
    & skf18("7","2","5","7","3","2","1") = "6"
    & skf18("7","2","5","7","3","3","1") = "6"
    & skf18("7","2","5","7","3","4","1") = "6"
    & skf18("7","2","5","7","3","5","1") = "6"
    & skf18("7","2","5","7","3","6","1") = "6"
    & skf18("7","2","5","7","3","7","1") = "6"
    & skf18("7","2","5","7","3","8","1") = "7"
    & skf18("7","2","5","7","3","9","1") = "8"
    & skf18("7","2","5","7","3","10","1") = "9"
    & skf18("7","2","5","7","4","1","1") = "6"
    & skf18("7","2","5","7","4","2","1") = "6"
    & skf18("7","2","5","7","4","3","1") = "6"
    & skf18("7","2","5","7","4","4","1") = "6"
    & skf18("7","2","5","7","4","5","1") = "6"
    & skf18("7","2","5","7","4","6","1") = "6"
    & skf18("7","2","5","7","4","7","1") = "6"
    & skf18("7","2","5","7","4","8","1") = "7"
    & skf18("7","2","5","7","4","9","1") = "8"
    & skf18("7","2","5","7","4","10","1") = "9"
    & skf18("7","2","5","7","5","1","1") = "6"
    & skf18("7","2","5","7","5","2","1") = "6"
    & skf18("7","2","5","7","5","3","1") = "6"
    & skf18("7","2","5","7","5","4","1") = "6"
    & skf18("7","2","5","7","5","5","1") = "6"
    & skf18("7","2","5","7","5","6","1") = "6"
    & skf18("7","2","5","7","5","7","1") = "6"
    & skf18("7","2","5","7","5","8","1") = "7"
    & skf18("7","2","5","7","5","9","1") = "8"
    & skf18("7","2","5","7","5","10","1") = "9"
    & skf18("7","2","5","7","6","1","1") = "6"
    & skf18("7","2","5","7","6","2","1") = "6"
    & skf18("7","2","5","7","6","3","1") = "6"
    & skf18("7","2","5","7","6","4","1") = "6"
    & skf18("7","2","5","7","6","5","1") = "6"
    & skf18("7","2","5","7","6","6","1") = "6"
    & skf18("7","2","5","7","6","7","1") = "6"
    & skf18("7","2","5","7","6","8","1") = "7"
    & skf18("7","2","5","7","6","9","1") = "8"
    & skf18("7","2","5","7","6","10","1") = "9"
    & skf18("7","2","5","7","7","1","1") = "6"
    & skf18("7","2","5","7","7","2","1") = "6"
    & skf18("7","2","5","7","7","3","1") = "6"
    & skf18("7","2","5","7","7","4","1") = "6"
    & skf18("7","2","5","7","7","5","1") = "6"
    & skf18("7","2","5","7","7","6","1") = "6"
    & skf18("7","2","5","7","7","7","1") = "6"
    & skf18("7","2","5","7","7","8","1") = "7"
    & skf18("7","2","5","7","7","9","1") = "8"
    & skf18("7","2","5","7","7","10","1") = "9"
    & skf18("7","2","5","7","8","1","1") = "7"
    & skf18("7","2","5","7","8","2","1") = "7"
    & skf18("7","2","5","7","8","3","1") = "7"
    & skf18("7","2","5","7","8","4","1") = "7"
    & skf18("7","2","5","7","8","5","1") = "7"
    & skf18("7","2","5","7","8","6","1") = "7"
    & skf18("7","2","5","7","8","7","1") = "7"
    & skf18("7","2","5","7","8","8","1") = "7"
    & skf18("7","2","5","7","8","9","1") = "8"
    & skf18("7","2","5","7","8","10","1") = "9"
    & skf18("7","2","5","7","9","1","1") = "8"
    & skf18("7","2","5","7","9","2","1") = "8"
    & skf18("7","2","5","7","9","3","1") = "8"
    & skf18("7","2","5","7","9","4","1") = "8"
    & skf18("7","2","5","7","9","5","1") = "8"
    & skf18("7","2","5","7","9","6","1") = "8"
    & skf18("7","2","5","7","9","7","1") = "8"
    & skf18("7","2","5","7","9","8","1") = "8"
    & skf18("7","2","5","7","9","9","1") = "8"
    & skf18("7","2","5","7","9","10","1") = "9"
    & skf18("7","2","5","7","10","1","1") = "9"
    & skf18("7","2","5","7","10","2","1") = "9"
    & skf18("7","2","5","7","10","3","1") = "9"
    & skf18("7","2","5","7","10","4","1") = "9"
    & skf18("7","2","5","7","10","5","1") = "9"
    & skf18("7","2","5","7","10","6","1") = "9"
    & skf18("7","2","5","7","10","7","1") = "9"
    & skf18("7","2","5","7","10","8","1") = "9"
    & skf18("7","2","5","7","10","9","1") = "9"
    & skf18("7","2","5","7","10","10","1") = "9"
    & skf18("7","2","5","8","1","1","1") = "7"
    & skf18("7","2","5","8","1","2","1") = "7"
    & skf18("7","2","5","8","1","3","1") = "7"
    & skf18("7","2","5","8","1","4","1") = "7"
    & skf18("7","2","5","8","1","5","1") = "7"
    & skf18("7","2","5","8","1","6","1") = "7"
    & skf18("7","2","5","8","1","7","1") = "7"
    & skf18("7","2","5","8","1","8","1") = "7"
    & skf18("7","2","5","8","1","9","1") = "8"
    & skf18("7","2","5","8","1","10","1") = "9"
    & skf18("7","2","5","8","2","1","1") = "7"
    & skf18("7","2","5","8","2","2","1") = "7"
    & skf18("7","2","5","8","2","3","1") = "7"
    & skf18("7","2","5","8","2","4","1") = "7"
    & skf18("7","2","5","8","2","5","1") = "7"
    & skf18("7","2","5","8","2","6","1") = "7"
    & skf18("7","2","5","8","2","7","1") = "7"
    & skf18("7","2","5","8","2","8","1") = "7"
    & skf18("7","2","5","8","2","9","1") = "8"
    & skf18("7","2","5","8","2","10","1") = "9"
    & skf18("7","2","5","8","3","1","1") = "7"
    & skf18("7","2","5","8","3","2","1") = "7"
    & skf18("7","2","5","8","3","3","1") = "7"
    & skf18("7","2","5","8","3","4","1") = "7"
    & skf18("7","2","5","8","3","5","1") = "7"
    & skf18("7","2","5","8","3","6","1") = "7"
    & skf18("7","2","5","8","3","7","1") = "7"
    & skf18("7","2","5","8","3","8","1") = "7"
    & skf18("7","2","5","8","3","9","1") = "8"
    & skf18("7","2","5","8","3","10","1") = "9"
    & skf18("7","2","5","8","4","1","1") = "7"
    & skf18("7","2","5","8","4","2","1") = "7"
    & skf18("7","2","5","8","4","3","1") = "7"
    & skf18("7","2","5","8","4","4","1") = "7"
    & skf18("7","2","5","8","4","5","1") = "7"
    & skf18("7","2","5","8","4","6","1") = "7"
    & skf18("7","2","5","8","4","7","1") = "7"
    & skf18("7","2","5","8","4","8","1") = "7"
    & skf18("7","2","5","8","4","9","1") = "8"
    & skf18("7","2","5","8","4","10","1") = "9"
    & skf18("7","2","5","8","5","1","1") = "7"
    & skf18("7","2","5","8","5","2","1") = "7"
    & skf18("7","2","5","8","5","3","1") = "7"
    & skf18("7","2","5","8","5","4","1") = "7"
    & skf18("7","2","5","8","5","5","1") = "7"
    & skf18("7","2","5","8","5","6","1") = "7"
    & skf18("7","2","5","8","5","7","1") = "7"
    & skf18("7","2","5","8","5","8","1") = "7"
    & skf18("7","2","5","8","5","9","1") = "8"
    & skf18("7","2","5","8","5","10","1") = "9"
    & skf18("7","2","5","8","6","1","1") = "7"
    & skf18("7","2","5","8","6","2","1") = "7"
    & skf18("7","2","5","8","6","3","1") = "7"
    & skf18("7","2","5","8","6","4","1") = "7"
    & skf18("7","2","5","8","6","5","1") = "7"
    & skf18("7","2","5","8","6","6","1") = "7"
    & skf18("7","2","5","8","6","7","1") = "7"
    & skf18("7","2","5","8","6","8","1") = "7"
    & skf18("7","2","5","8","6","9","1") = "8"
    & skf18("7","2","5","8","6","10","1") = "9"
    & skf18("7","2","5","8","7","1","1") = "7"
    & skf18("7","2","5","8","7","2","1") = "7"
    & skf18("7","2","5","8","7","3","1") = "7"
    & skf18("7","2","5","8","7","4","1") = "7"
    & skf18("7","2","5","8","7","5","1") = "7"
    & skf18("7","2","5","8","7","6","1") = "7"
    & skf18("7","2","5","8","7","7","1") = "7"
    & skf18("7","2","5","8","7","8","1") = "7"
    & skf18("7","2","5","8","7","9","1") = "8"
    & skf18("7","2","5","8","7","10","1") = "9"
    & skf18("7","2","5","8","8","1","1") = "7"
    & skf18("7","2","5","8","8","2","1") = "7"
    & skf18("7","2","5","8","8","3","1") = "7"
    & skf18("7","2","5","8","8","4","1") = "7"
    & skf18("7","2","5","8","8","5","1") = "7"
    & skf18("7","2","5","8","8","6","1") = "7"
    & skf18("7","2","5","8","8","7","1") = "7"
    & skf18("7","2","5","8","8","8","1") = "7"
    & skf18("7","2","5","8","8","9","1") = "8"
    & skf18("7","2","5","8","8","10","1") = "9"
    & skf18("7","2","5","8","9","1","1") = "8"
    & skf18("7","2","5","8","9","2","1") = "8"
    & skf18("7","2","5","8","9","3","1") = "8"
    & skf18("7","2","5","8","9","4","1") = "8"
    & skf18("7","2","5","8","9","5","1") = "8"
    & skf18("7","2","5","8","9","6","1") = "8"
    & skf18("7","2","5","8","9","7","1") = "8"
    & skf18("7","2","5","8","9","8","1") = "8"
    & skf18("7","2","5","8","9","9","1") = "8"
    & skf18("7","2","5","8","9","10","1") = "9"
    & skf18("7","2","5","8","10","1","1") = "9"
    & skf18("7","2","5","8","10","2","1") = "9"
    & skf18("7","2","5","8","10","3","1") = "9"
    & skf18("7","2","5","8","10","4","1") = "9"
    & skf18("7","2","5","8","10","5","1") = "9"
    & skf18("7","2","5","8","10","6","1") = "9"
    & skf18("7","2","5","8","10","7","1") = "9"
    & skf18("7","2","5","8","10","8","1") = "9"
    & skf18("7","2","5","8","10","9","1") = "9"
    & skf18("7","2","5","8","10","10","1") = "9"
    & skf18("7","2","5","9","1","1","1") = "8"
    & skf18("7","2","5","9","1","2","1") = "8"
    & skf18("7","2","5","9","1","3","1") = "8"
    & skf18("7","2","5","9","1","4","1") = "8"
    & skf18("7","2","5","9","1","5","1") = "8"
    & skf18("7","2","5","9","1","6","1") = "8"
    & skf18("7","2","5","9","1","7","1") = "8"
    & skf18("7","2","5","9","1","8","1") = "8"
    & skf18("7","2","5","9","1","9","1") = "8"
    & skf18("7","2","5","9","1","10","1") = "9"
    & skf18("7","2","5","9","2","1","1") = "8"
    & skf18("7","2","5","9","2","2","1") = "8"
    & skf18("7","2","5","9","2","3","1") = "8"
    & skf18("7","2","5","9","2","4","1") = "8"
    & skf18("7","2","5","9","2","5","1") = "8"
    & skf18("7","2","5","9","2","6","1") = "8"
    & skf18("7","2","5","9","2","7","1") = "8"
    & skf18("7","2","5","9","2","8","1") = "8"
    & skf18("7","2","5","9","2","9","1") = "8"
    & skf18("7","2","5","9","2","10","1") = "9"
    & skf18("7","2","5","9","3","1","1") = "8"
    & skf18("7","2","5","9","3","2","1") = "8"
    & skf18("7","2","5","9","3","3","1") = "8"
    & skf18("7","2","5","9","3","4","1") = "8"
    & skf18("7","2","5","9","3","5","1") = "8"
    & skf18("7","2","5","9","3","6","1") = "8"
    & skf18("7","2","5","9","3","7","1") = "8"
    & skf18("7","2","5","9","3","8","1") = "8"
    & skf18("7","2","5","9","3","9","1") = "8"
    & skf18("7","2","5","9","3","10","1") = "9"
    & skf18("7","2","5","9","4","1","1") = "8"
    & skf18("7","2","5","9","4","2","1") = "8"
    & skf18("7","2","5","9","4","3","1") = "8"
    & skf18("7","2","5","9","4","4","1") = "8"
    & skf18("7","2","5","9","4","5","1") = "8"
    & skf18("7","2","5","9","4","6","1") = "8"
    & skf18("7","2","5","9","4","7","1") = "8"
    & skf18("7","2","5","9","4","8","1") = "8"
    & skf18("7","2","5","9","4","9","1") = "8"
    & skf18("7","2","5","9","4","10","1") = "9"
    & skf18("7","2","5","9","5","1","1") = "8"
    & skf18("7","2","5","9","5","2","1") = "8"
    & skf18("7","2","5","9","5","3","1") = "8"
    & skf18("7","2","5","9","5","4","1") = "8"
    & skf18("7","2","5","9","5","5","1") = "8"
    & skf18("7","2","5","9","5","6","1") = "8"
    & skf18("7","2","5","9","5","7","1") = "8"
    & skf18("7","2","5","9","5","8","1") = "8"
    & skf18("7","2","5","9","5","9","1") = "8"
    & skf18("7","2","5","9","5","10","1") = "9"
    & skf18("7","2","5","9","6","1","1") = "8"
    & skf18("7","2","5","9","6","2","1") = "8"
    & skf18("7","2","5","9","6","3","1") = "8"
    & skf18("7","2","5","9","6","4","1") = "8"
    & skf18("7","2","5","9","6","5","1") = "8"
    & skf18("7","2","5","9","6","6","1") = "8"
    & skf18("7","2","5","9","6","7","1") = "8"
    & skf18("7","2","5","9","6","8","1") = "8"
    & skf18("7","2","5","9","6","9","1") = "8"
    & skf18("7","2","5","9","6","10","1") = "9"
    & skf18("7","2","5","9","7","1","1") = "8"
    & skf18("7","2","5","9","7","2","1") = "8"
    & skf18("7","2","5","9","7","3","1") = "8"
    & skf18("7","2","5","9","7","4","1") = "8"
    & skf18("7","2","5","9","7","5","1") = "8"
    & skf18("7","2","5","9","7","6","1") = "8"
    & skf18("7","2","5","9","7","7","1") = "8"
    & skf18("7","2","5","9","7","8","1") = "8"
    & skf18("7","2","5","9","7","9","1") = "8"
    & skf18("7","2","5","9","7","10","1") = "9"
    & skf18("7","2","5","9","8","1","1") = "8"
    & skf18("7","2","5","9","8","2","1") = "8"
    & skf18("7","2","5","9","8","3","1") = "8"
    & skf18("7","2","5","9","8","4","1") = "8"
    & skf18("7","2","5","9","8","5","1") = "8"
    & skf18("7","2","5","9","8","6","1") = "8"
    & skf18("7","2","5","9","8","7","1") = "8"
    & skf18("7","2","5","9","8","8","1") = "8"
    & skf18("7","2","5","9","8","9","1") = "8"
    & skf18("7","2","5","9","8","10","1") = "9"
    & skf18("7","2","5","9","9","1","1") = "8"
    & skf18("7","2","5","9","9","2","1") = "8"
    & skf18("7","2","5","9","9","3","1") = "8"
    & skf18("7","2","5","9","9","4","1") = "8"
    & skf18("7","2","5","9","9","5","1") = "8"
    & skf18("7","2","5","9","9","6","1") = "8"
    & skf18("7","2","5","9","9","7","1") = "8"
    & skf18("7","2","5","9","9","8","1") = "8"
    & skf18("7","2","5","9","9","9","1") = "8"
    & skf18("7","2","5","9","9","10","1") = "9"
    & skf18("7","2","5","9","10","1","1") = "9"
    & skf18("7","2","5","9","10","2","1") = "9"
    & skf18("7","2","5","9","10","3","1") = "9"
    & skf18("7","2","5","9","10","4","1") = "9"
    & skf18("7","2","5","9","10","5","1") = "9"
    & skf18("7","2","5","9","10","6","1") = "9"
    & skf18("7","2","5","9","10","7","1") = "9"
    & skf18("7","2","5","9","10","8","1") = "9"
    & skf18("7","2","5","9","10","9","1") = "9"
    & skf18("7","2","5","9","10","10","1") = "9"
    & skf18("7","2","5","10","1","1","1") = "9"
    & skf18("7","2","5","10","1","2","1") = "9"
    & skf18("7","2","5","10","1","3","1") = "9"
    & skf18("7","2","5","10","1","4","1") = "9"
    & skf18("7","2","5","10","1","5","1") = "9"
    & skf18("7","2","5","10","1","6","1") = "9"
    & skf18("7","2","5","10","1","7","1") = "9"
    & skf18("7","2","5","10","1","8","1") = "9"
    & skf18("7","2","5","10","1","9","1") = "9"
    & skf18("7","2","5","10","1","10","1") = "9"
    & skf18("7","2","5","10","2","1","1") = "9"
    & skf18("7","2","5","10","2","2","1") = "9"
    & skf18("7","2","5","10","2","3","1") = "9"
    & skf18("7","2","5","10","2","4","1") = "9"
    & skf18("7","2","5","10","2","5","1") = "9"
    & skf18("7","2","5","10","2","6","1") = "9"
    & skf18("7","2","5","10","2","7","1") = "9"
    & skf18("7","2","5","10","2","8","1") = "9"
    & skf18("7","2","5","10","2","9","1") = "9"
    & skf18("7","2","5","10","2","10","1") = "9"
    & skf18("7","2","5","10","3","1","1") = "9"
    & skf18("7","2","5","10","3","2","1") = "9"
    & skf18("7","2","5","10","3","3","1") = "9"
    & skf18("7","2","5","10","3","4","1") = "9"
    & skf18("7","2","5","10","3","5","1") = "9"
    & skf18("7","2","5","10","3","6","1") = "9"
    & skf18("7","2","5","10","3","7","1") = "9"
    & skf18("7","2","5","10","3","8","1") = "9"
    & skf18("7","2","5","10","3","9","1") = "9"
    & skf18("7","2","5","10","3","10","1") = "9"
    & skf18("7","2","5","10","4","1","1") = "9"
    & skf18("7","2","5","10","4","2","1") = "9"
    & skf18("7","2","5","10","4","3","1") = "9"
    & skf18("7","2","5","10","4","4","1") = "9"
    & skf18("7","2","5","10","4","5","1") = "9"
    & skf18("7","2","5","10","4","6","1") = "9"
    & skf18("7","2","5","10","4","7","1") = "9"
    & skf18("7","2","5","10","4","8","1") = "9"
    & skf18("7","2","5","10","4","9","1") = "9"
    & skf18("7","2","5","10","4","10","1") = "9"
    & skf18("7","2","5","10","5","1","1") = "9"
    & skf18("7","2","5","10","5","2","1") = "9"
    & skf18("7","2","5","10","5","3","1") = "9"
    & skf18("7","2","5","10","5","4","1") = "9"
    & skf18("7","2","5","10","5","5","1") = "9"
    & skf18("7","2","5","10","5","6","1") = "9"
    & skf18("7","2","5","10","5","7","1") = "9"
    & skf18("7","2","5","10","5","8","1") = "9"
    & skf18("7","2","5","10","5","9","1") = "9"
    & skf18("7","2","5","10","5","10","1") = "9"
    & skf18("7","2","5","10","6","1","1") = "9"
    & skf18("7","2","5","10","6","2","1") = "9"
    & skf18("7","2","5","10","6","3","1") = "9"
    & skf18("7","2","5","10","6","4","1") = "9"
    & skf18("7","2","5","10","6","5","1") = "9"
    & skf18("7","2","5","10","6","6","1") = "9"
    & skf18("7","2","5","10","6","7","1") = "9"
    & skf18("7","2","5","10","6","8","1") = "9"
    & skf18("7","2","5","10","6","9","1") = "9"
    & skf18("7","2","5","10","6","10","1") = "9"
    & skf18("7","2","5","10","7","1","1") = "9"
    & skf18("7","2","5","10","7","2","1") = "9"
    & skf18("7","2","5","10","7","3","1") = "9"
    & skf18("7","2","5","10","7","4","1") = "9"
    & skf18("7","2","5","10","7","5","1") = "9"
    & skf18("7","2","5","10","7","6","1") = "9"
    & skf18("7","2","5","10","7","7","1") = "9"
    & skf18("7","2","5","10","7","8","1") = "9"
    & skf18("7","2","5","10","7","9","1") = "9"
    & skf18("7","2","5","10","7","10","1") = "9"
    & skf18("7","2","5","10","8","1","1") = "9"
    & skf18("7","2","5","10","8","2","1") = "9"
    & skf18("7","2","5","10","8","3","1") = "9"
    & skf18("7","2","5","10","8","4","1") = "9"
    & skf18("7","2","5","10","8","5","1") = "9"
    & skf18("7","2","5","10","8","6","1") = "9"
    & skf18("7","2","5","10","8","7","1") = "9"
    & skf18("7","2","5","10","8","8","1") = "9"
    & skf18("7","2","5","10","8","9","1") = "9"
    & skf18("7","2","5","10","8","10","1") = "9"
    & skf18("7","2","5","10","9","1","1") = "9"
    & skf18("7","2","5","10","9","2","1") = "9"
    & skf18("7","2","5","10","9","3","1") = "9"
    & skf18("7","2","5","10","9","4","1") = "9"
    & skf18("7","2","5","10","9","5","1") = "9"
    & skf18("7","2","5","10","9","6","1") = "9"
    & skf18("7","2","5","10","9","7","1") = "9"
    & skf18("7","2","5","10","9","8","1") = "9"
    & skf18("7","2","5","10","9","9","1") = "9"
    & skf18("7","2","5","10","9","10","1") = "9"
    & skf18("7","2","5","10","10","1","1") = "9"
    & skf18("7","2","5","10","10","2","1") = "9"
    & skf18("7","2","5","10","10","3","1") = "9"
    & skf18("7","2","5","10","10","4","1") = "9"
    & skf18("7","2","5","10","10","5","1") = "9"
    & skf18("7","2","5","10","10","6","1") = "9"
    & skf18("7","2","5","10","10","7","1") = "9"
    & skf18("7","2","5","10","10","8","1") = "9"
    & skf18("7","2","5","10","10","9","1") = "9"
    & skf18("7","2","5","10","10","10","1") = "9"
    & skf18("7","2","6","1","1","1","1") = "6"
    & skf18("7","2","6","1","1","2","1") = "6"
    & skf18("7","2","6","1","1","3","1") = "6"
    & skf18("7","2","6","1","1","4","1") = "6"
    & skf18("7","2","6","1","1","5","1") = "6"
    & skf18("7","2","6","1","1","6","1") = "6"
    & skf18("7","2","6","1","1","7","1") = "6"
    & skf18("7","2","6","1","1","8","1") = "7"
    & skf18("7","2","6","1","1","9","1") = "8"
    & skf18("7","2","6","1","1","10","1") = "9"
    & skf18("7","2","6","1","2","1","1") = "6"
    & skf18("7","2","6","1","2","2","1") = "6"
    & skf18("7","2","6","1","2","3","1") = "6"
    & skf18("7","2","6","1","2","4","1") = "6"
    & skf18("7","2","6","1","2","5","1") = "6"
    & skf18("7","2","6","1","2","6","1") = "6"
    & skf18("7","2","6","1","2","7","1") = "6"
    & skf18("7","2","6","1","2","8","1") = "7"
    & skf18("7","2","6","1","2","9","1") = "8"
    & skf18("7","2","6","1","2","10","1") = "9"
    & skf18("7","2","6","1","3","1","1") = "6"
    & skf18("7","2","6","1","3","2","1") = "6"
    & skf18("7","2","6","1","3","3","1") = "6"
    & skf18("7","2","6","1","3","4","1") = "6"
    & skf18("7","2","6","1","3","5","1") = "6"
    & skf18("7","2","6","1","3","6","1") = "6"
    & skf18("7","2","6","1","3","7","1") = "6"
    & skf18("7","2","6","1","3","8","1") = "7"
    & skf18("7","2","6","1","3","9","1") = "8"
    & skf18("7","2","6","1","3","10","1") = "9"
    & skf18("7","2","6","1","4","1","1") = "6"
    & skf18("7","2","6","1","4","2","1") = "6"
    & skf18("7","2","6","1","4","3","1") = "6"
    & skf18("7","2","6","1","4","4","1") = "6"
    & skf18("7","2","6","1","4","5","1") = "6"
    & skf18("7","2","6","1","4","6","1") = "6"
    & skf18("7","2","6","1","4","7","1") = "6"
    & skf18("7","2","6","1","4","8","1") = "7"
    & skf18("7","2","6","1","4","9","1") = "8"
    & skf18("7","2","6","1","4","10","1") = "9"
    & skf18("7","2","6","1","5","1","1") = "6"
    & skf18("7","2","6","1","5","2","1") = "6"
    & skf18("7","2","6","1","5","3","1") = "6"
    & skf18("7","2","6","1","5","4","1") = "6"
    & skf18("7","2","6","1","5","5","1") = "6"
    & skf18("7","2","6","1","5","6","1") = "6"
    & skf18("7","2","6","1","5","7","1") = "6"
    & skf18("7","2","6","1","5","8","1") = "7"
    & skf18("7","2","6","1","5","9","1") = "8"
    & skf18("7","2","6","1","5","10","1") = "9"
    & skf18("7","2","6","1","6","1","1") = "6"
    & skf18("7","2","6","1","6","2","1") = "6"
    & skf18("7","2","6","1","6","3","1") = "6"
    & skf18("7","2","6","1","6","4","1") = "6"
    & skf18("7","2","6","1","6","5","1") = "6"
    & skf18("7","2","6","1","6","6","1") = "6"
    & skf18("7","2","6","1","6","7","1") = "6"
    & skf18("7","2","6","1","6","8","1") = "7"
    & skf18("7","2","6","1","6","9","1") = "8"
    & skf18("7","2","6","1","6","10","1") = "9"
    & skf18("7","2","6","1","7","1","1") = "6"
    & skf18("7","2","6","1","7","2","1") = "6"
    & skf18("7","2","6","1","7","3","1") = "6"
    & skf18("7","2","6","1","7","4","1") = "6"
    & skf18("7","2","6","1","7","5","1") = "6"
    & skf18("7","2","6","1","7","6","1") = "6"
    & skf18("7","2","6","1","7","7","1") = "6"
    & skf18("7","2","6","1","7","8","1") = "7"
    & skf18("7","2","6","1","7","9","1") = "8"
    & skf18("7","2","6","1","7","10","1") = "9"
    & skf18("7","2","6","1","8","1","1") = "7"
    & skf18("7","2","6","1","8","2","1") = "7"
    & skf18("7","2","6","1","8","3","1") = "7"
    & skf18("7","2","6","1","8","4","1") = "7"
    & skf18("7","2","6","1","8","5","1") = "7"
    & skf18("7","2","6","1","8","6","1") = "7"
    & skf18("7","2","6","1","8","7","1") = "7"
    & skf18("7","2","6","1","8","8","1") = "7"
    & skf18("7","2","6","1","8","9","1") = "8"
    & skf18("7","2","6","1","8","10","1") = "9"
    & skf18("7","2","6","1","9","1","1") = "8"
    & skf18("7","2","6","1","9","2","1") = "8"
    & skf18("7","2","6","1","9","3","1") = "8"
    & skf18("7","2","6","1","9","4","1") = "8"
    & skf18("7","2","6","1","9","5","1") = "8"
    & skf18("7","2","6","1","9","6","1") = "8"
    & skf18("7","2","6","1","9","7","1") = "8"
    & skf18("7","2","6","1","9","8","1") = "8"
    & skf18("7","2","6","1","9","9","1") = "8"
    & skf18("7","2","6","1","9","10","1") = "9"
    & skf18("7","2","6","1","10","1","1") = "9"
    & skf18("7","2","6","1","10","2","1") = "9"
    & skf18("7","2","6","1","10","3","1") = "9"
    & skf18("7","2","6","1","10","4","1") = "9"
    & skf18("7","2","6","1","10","5","1") = "9"
    & skf18("7","2","6","1","10","6","1") = "9"
    & skf18("7","2","6","1","10","7","1") = "9"
    & skf18("7","2","6","1","10","8","1") = "9"
    & skf18("7","2","6","1","10","9","1") = "9"
    & skf18("7","2","6","1","10","10","1") = "9"
    & skf18("7","2","6","2","1","1","1") = "6"
    & skf18("7","2","6","2","1","2","1") = "6"
    & skf18("7","2","6","2","1","3","1") = "6"
    & skf18("7","2","6","2","1","4","1") = "6"
    & skf18("7","2","6","2","1","5","1") = "6"
    & skf18("7","2","6","2","1","6","1") = "6"
    & skf18("7","2","6","2","1","7","1") = "6"
    & skf18("7","2","6","2","1","8","1") = "7"
    & skf18("7","2","6","2","1","9","1") = "8"
    & skf18("7","2","6","2","1","10","1") = "9"
    & skf18("7","2","6","2","2","1","1") = "6"
    & skf18("7","2","6","2","2","2","1") = "6"
    & skf18("7","2","6","2","2","3","1") = "6"
    & skf18("7","2","6","2","2","4","1") = "6"
    & skf18("7","2","6","2","2","5","1") = "6"
    & skf18("7","2","6","2","2","6","1") = "6"
    & skf18("7","2","6","2","2","7","1") = "6"
    & skf18("7","2","6","2","2","8","1") = "7"
    & skf18("7","2","6","2","2","9","1") = "8"
    & skf18("7","2","6","2","2","10","1") = "9"
    & skf18("7","2","6","2","3","1","1") = "6"
    & skf18("7","2","6","2","3","2","1") = "6"
    & skf18("7","2","6","2","3","3","1") = "6"
    & skf18("7","2","6","2","3","4","1") = "6"
    & skf18("7","2","6","2","3","5","1") = "6"
    & skf18("7","2","6","2","3","6","1") = "6"
    & skf18("7","2","6","2","3","7","1") = "6"
    & skf18("7","2","6","2","3","8","1") = "7"
    & skf18("7","2","6","2","3","9","1") = "8"
    & skf18("7","2","6","2","3","10","1") = "9"
    & skf18("7","2","6","2","4","1","1") = "6"
    & skf18("7","2","6","2","4","2","1") = "6"
    & skf18("7","2","6","2","4","3","1") = "5"
    & skf18("7","2","6","2","4","4","1") = "6"
    & skf18("7","2","6","2","4","5","1") = "6"
    & skf18("7","2","6","2","4","6","1") = "5"
    & skf18("7","2","6","2","4","7","1") = "6"
    & skf18("7","2","6","2","4","8","1") = "7"
    & skf18("7","2","6","2","4","9","1") = "8"
    & skf18("7","2","6","2","4","10","1") = "9"
    & skf18("7","2","6","2","5","1","1") = "6"
    & skf18("7","2","6","2","5","2","1") = "6"
    & skf18("7","2","6","2","5","3","1") = "6"
    & skf18("7","2","6","2","5","4","1") = "6"
    & skf18("7","2","6","2","5","5","1") = "6"
    & skf18("7","2","6","2","5","6","1") = "6"
    & skf18("7","2","6","2","5","7","1") = "6"
    & skf18("7","2","6","2","5","8","1") = "7"
    & skf18("7","2","6","2","5","9","1") = "8"
    & skf18("7","2","6","2","5","10","1") = "9"
    & skf18("7","2","6","2","6","1","1") = "6"
    & skf18("7","2","6","2","6","2","1") = "6"
    & skf18("7","2","6","2","6","3","1") = "6"
    & skf18("7","2","6","2","6","4","1") = "6"
    & skf18("7","2","6","2","6","5","1") = "6"
    & skf18("7","2","6","2","6","6","1") = "6"
    & skf18("7","2","6","2","6","7","1") = "6"
    & skf18("7","2","6","2","6","8","1") = "7"
    & skf18("7","2","6","2","6","9","1") = "8"
    & skf18("7","2","6","2","6","10","1") = "9"
    & skf18("7","2","6","2","7","1","1") = "6"
    & skf18("7","2","6","2","7","2","1") = "6"
    & skf18("7","2","6","2","7","3","1") = "6"
    & skf18("7","2","6","2","7","4","1") = "6"
    & skf18("7","2","6","2","7","5","1") = "6"
    & skf18("7","2","6","2","7","6","1") = "6"
    & skf18("7","2","6","2","7","7","1") = "6"
    & skf18("7","2","6","2","7","8","1") = "7"
    & skf18("7","2","6","2","7","9","1") = "8"
    & skf18("7","2","6","2","7","10","1") = "9"
    & skf18("7","2","6","2","8","1","1") = "7"
    & skf18("7","2","6","2","8","2","1") = "7"
    & skf18("7","2","6","2","8","3","1") = "7"
    & skf18("7","2","6","2","8","4","1") = "7"
    & skf18("7","2","6","2","8","5","1") = "7"
    & skf18("7","2","6","2","8","6","1") = "7"
    & skf18("7","2","6","2","8","7","1") = "7"
    & skf18("7","2","6","2","8","8","1") = "7"
    & skf18("7","2","6","2","8","9","1") = "8"
    & skf18("7","2","6","2","8","10","1") = "9"
    & skf18("7","2","6","2","9","1","1") = "8"
    & skf18("7","2","6","2","9","2","1") = "8"
    & skf18("7","2","6","2","9","3","1") = "8"
    & skf18("7","2","6","2","9","4","1") = "8"
    & skf18("7","2","6","2","9","5","1") = "8"
    & skf18("7","2","6","2","9","6","1") = "8"
    & skf18("7","2","6","2","9","7","1") = "8"
    & skf18("7","2","6","2","9","8","1") = "8"
    & skf18("7","2","6","2","9","9","1") = "8"
    & skf18("7","2","6","2","9","10","1") = "9"
    & skf18("7","2","6","2","10","1","1") = "9"
    & skf18("7","2","6","2","10","2","1") = "9"
    & skf18("7","2","6","2","10","3","1") = "9"
    & skf18("7","2","6","2","10","4","1") = "9"
    & skf18("7","2","6","2","10","5","1") = "9"
    & skf18("7","2","6","2","10","6","1") = "9"
    & skf18("7","2","6","2","10","7","1") = "9"
    & skf18("7","2","6","2","10","8","1") = "9"
    & skf18("7","2","6","2","10","9","1") = "9"
    & skf18("7","2","6","2","10","10","1") = "9"
    & skf18("7","2","6","3","1","1","1") = "6"
    & skf18("7","2","6","3","1","2","1") = "6"
    & skf18("7","2","6","3","1","3","1") = "6"
    & skf18("7","2","6","3","1","4","1") = "6"
    & skf18("7","2","6","3","1","5","1") = "6"
    & skf18("7","2","6","3","1","6","1") = "6"
    & skf18("7","2","6","3","1","7","1") = "6"
    & skf18("7","2","6","3","1","8","1") = "7"
    & skf18("7","2","6","3","1","9","1") = "8"
    & skf18("7","2","6","3","1","10","1") = "9"
    & skf18("7","2","6","3","2","1","1") = "6"
    & skf18("7","2","6","3","2","2","1") = "6"
    & skf18("7","2","6","3","2","3","1") = "6"
    & skf18("7","2","6","3","2","4","1") = "6"
    & skf18("7","2","6","3","2","5","1") = "6"
    & skf18("7","2","6","3","2","6","1") = "6"
    & skf18("7","2","6","3","2","7","1") = "6"
    & skf18("7","2","6","3","2","8","1") = "7"
    & skf18("7","2","6","3","2","9","1") = "8"
    & skf18("7","2","6","3","2","10","1") = "9"
    & skf18("7","2","6","3","3","1","1") = "6"
    & skf18("7","2","6","3","3","2","1") = "6"
    & skf18("7","2","6","3","3","3","1") = "6"
    & skf18("7","2","6","3","3","4","1") = "6"
    & skf18("7","2","6","3","3","5","1") = "6"
    & skf18("7","2","6","3","3","6","1") = "6"
    & skf18("7","2","6","3","3","7","1") = "6"
    & skf18("7","2","6","3","3","8","1") = "7"
    & skf18("7","2","6","3","3","9","1") = "8"
    & skf18("7","2","6","3","3","10","1") = "9"
    & skf18("7","2","6","3","4","1","1") = "6"
    & skf18("7","2","6","3","4","2","1") = "6"
    & skf18("7","2","6","3","4","3","1") = "6"
    & skf18("7","2","6","3","4","4","1") = "6"
    & skf18("7","2","6","3","4","5","1") = "6"
    & skf18("7","2","6","3","4","6","1") = "6"
    & skf18("7","2","6","3","4","7","1") = "6"
    & skf18("7","2","6","3","4","8","1") = "7"
    & skf18("7","2","6","3","4","9","1") = "8"
    & skf18("7","2","6","3","4","10","1") = "9"
    & skf18("7","2","6","3","5","1","1") = "6"
    & skf18("7","2","6","3","5","2","1") = "6"
    & skf18("7","2","6","3","5","3","1") = "6"
    & skf18("7","2","6","3","5","4","1") = "6"
    & skf18("7","2","6","3","5","5","1") = "6"
    & skf18("7","2","6","3","5","6","1") = "6"
    & skf18("7","2","6","3","5","7","1") = "6"
    & skf18("7","2","6","3","5","8","1") = "7"
    & skf18("7","2","6","3","5","9","1") = "8"
    & skf18("7","2","6","3","5","10","1") = "9"
    & skf18("7","2","6","3","6","1","1") = "6"
    & skf18("7","2","6","3","6","2","1") = "6"
    & skf18("7","2","6","3","6","3","1") = "6"
    & skf18("7","2","6","3","6","4","1") = "6"
    & skf18("7","2","6","3","6","5","1") = "6"
    & skf18("7","2","6","3","6","6","1") = "6"
    & skf18("7","2","6","3","6","7","1") = "6"
    & skf18("7","2","6","3","6","8","1") = "7"
    & skf18("7","2","6","3","6","9","1") = "8"
    & skf18("7","2","6","3","6","10","1") = "9"
    & skf18("7","2","6","3","7","1","1") = "6"
    & skf18("7","2","6","3","7","2","1") = "6"
    & skf18("7","2","6","3","7","3","1") = "6"
    & skf18("7","2","6","3","7","4","1") = "6"
    & skf18("7","2","6","3","7","5","1") = "6"
    & skf18("7","2","6","3","7","6","1") = "6"
    & skf18("7","2","6","3","7","7","1") = "6"
    & skf18("7","2","6","3","7","8","1") = "7"
    & skf18("7","2","6","3","7","9","1") = "8"
    & skf18("7","2","6","3","7","10","1") = "9"
    & skf18("7","2","6","3","8","1","1") = "7"
    & skf18("7","2","6","3","8","2","1") = "7"
    & skf18("7","2","6","3","8","3","1") = "7"
    & skf18("7","2","6","3","8","4","1") = "7"
    & skf18("7","2","6","3","8","5","1") = "7"
    & skf18("7","2","6","3","8","6","1") = "7"
    & skf18("7","2","6","3","8","7","1") = "7"
    & skf18("7","2","6","3","8","8","1") = "7"
    & skf18("7","2","6","3","8","9","1") = "8"
    & skf18("7","2","6","3","8","10","1") = "9"
    & skf18("7","2","6","3","9","1","1") = "8"
    & skf18("7","2","6","3","9","2","1") = "8"
    & skf18("7","2","6","3","9","3","1") = "8"
    & skf18("7","2","6","3","9","4","1") = "8"
    & skf18("7","2","6","3","9","5","1") = "8"
    & skf18("7","2","6","3","9","6","1") = "8"
    & skf18("7","2","6","3","9","7","1") = "8"
    & skf18("7","2","6","3","9","8","1") = "8"
    & skf18("7","2","6","3","9","9","1") = "8"
    & skf18("7","2","6","3","9","10","1") = "9"
    & skf18("7","2","6","3","10","1","1") = "9"
    & skf18("7","2","6","3","10","2","1") = "9"
    & skf18("7","2","6","3","10","3","1") = "9"
    & skf18("7","2","6","3","10","4","1") = "9"
    & skf18("7","2","6","3","10","5","1") = "9"
    & skf18("7","2","6","3","10","6","1") = "9"
    & skf18("7","2","6","3","10","7","1") = "9"
    & skf18("7","2","6","3","10","8","1") = "9"
    & skf18("7","2","6","3","10","9","1") = "9"
    & skf18("7","2","6","3","10","10","1") = "9"
    & skf18("7","2","6","4","1","1","1") = "6"
    & skf18("7","2","6","4","1","2","1") = "6"
    & skf18("7","2","6","4","1","3","1") = "6"
    & skf18("7","2","6","4","1","4","1") = "6"
    & skf18("7","2","6","4","1","5","1") = "6"
    & skf18("7","2","6","4","1","6","1") = "6"
    & skf18("7","2","6","4","1","7","1") = "6"
    & skf18("7","2","6","4","1","8","1") = "7"
    & skf18("7","2","6","4","1","9","1") = "8"
    & skf18("7","2","6","4","1","10","1") = "9"
    & skf18("7","2","6","4","2","1","1") = "6"
    & skf18("7","2","6","4","2","2","1") = "6"
    & skf18("7","2","6","4","2","3","1") = "6"
    & skf18("7","2","6","4","2","4","1") = "6"
    & skf18("7","2","6","4","2","5","1") = "6"
    & skf18("7","2","6","4","2","6","1") = "6"
    & skf18("7","2","6","4","2","7","1") = "6"
    & skf18("7","2","6","4","2","8","1") = "7"
    & skf18("7","2","6","4","2","9","1") = "8"
    & skf18("7","2","6","4","2","10","1") = "9"
    & skf18("7","2","6","4","3","1","1") = "6"
    & skf18("7","2","6","4","3","2","1") = "6"
    & skf18("7","2","6","4","3","3","1") = "6"
    & skf18("7","2","6","4","3","4","1") = "6"
    & skf18("7","2","6","4","3","5","1") = "6"
    & skf18("7","2","6","4","3","6","1") = "6"
    & skf18("7","2","6","4","3","7","1") = "6"
    & skf18("7","2","6","4","3","8","1") = "7"
    & skf18("7","2","6","4","3","9","1") = "8"
    & skf18("7","2","6","4","3","10","1") = "9"
    & skf18("7","2","6","4","4","1","1") = "6"
    & skf18("7","2","6","4","4","2","1") = "6"
    & skf18("7","2","6","4","4","3","1") = "6"
    & skf18("7","2","6","4","4","4","1") = "6"
    & skf18("7","2","6","4","4","5","1") = "6"
    & skf18("7","2","6","4","4","6","1") = "6"
    & skf18("7","2","6","4","4","7","1") = "6"
    & skf18("7","2","6","4","4","8","1") = "7"
    & skf18("7","2","6","4","4","9","1") = "8"
    & skf18("7","2","6","4","4","10","1") = "9"
    & skf18("7","2","6","4","5","1","1") = "6"
    & skf18("7","2","6","4","5","2","1") = "6"
    & skf18("7","2","6","4","5","3","1") = "6"
    & skf18("7","2","6","4","5","4","1") = "6"
    & skf18("7","2","6","4","5","5","1") = "6"
    & skf18("7","2","6","4","5","6","1") = "6"
    & skf18("7","2","6","4","5","7","1") = "6"
    & skf18("7","2","6","4","5","8","1") = "7"
    & skf18("7","2","6","4","5","9","1") = "8"
    & skf18("7","2","6","4","5","10","1") = "9"
    & skf18("7","2","6","4","6","1","1") = "6"
    & skf18("7","2","6","4","6","2","1") = "6"
    & skf18("7","2","6","4","6","3","1") = "6"
    & skf18("7","2","6","4","6","4","1") = "6"
    & skf18("7","2","6","4","6","5","1") = "6"
    & skf18("7","2","6","4","6","6","1") = "6"
    & skf18("7","2","6","4","6","7","1") = "6"
    & skf18("7","2","6","4","6","8","1") = "7"
    & skf18("7","2","6","4","6","9","1") = "8"
    & skf18("7","2","6","4","6","10","1") = "9"
    & skf18("7","2","6","4","7","1","1") = "6"
    & skf18("7","2","6","4","7","2","1") = "6"
    & skf18("7","2","6","4","7","3","1") = "6"
    & skf18("7","2","6","4","7","4","1") = "6"
    & skf18("7","2","6","4","7","5","1") = "6"
    & skf18("7","2","6","4","7","6","1") = "6"
    & skf18("7","2","6","4","7","7","1") = "6"
    & skf18("7","2","6","4","7","8","1") = "7"
    & skf18("7","2","6","4","7","9","1") = "8"
    & skf18("7","2","6","4","7","10","1") = "9"
    & skf18("7","2","6","4","8","1","1") = "7"
    & skf18("7","2","6","4","8","2","1") = "7"
    & skf18("7","2","6","4","8","3","1") = "7"
    & skf18("7","2","6","4","8","4","1") = "7"
    & skf18("7","2","6","4","8","5","1") = "7"
    & skf18("7","2","6","4","8","6","1") = "7"
    & skf18("7","2","6","4","8","7","1") = "7"
    & skf18("7","2","6","4","8","8","1") = "7"
    & skf18("7","2","6","4","8","9","1") = "8"
    & skf18("7","2","6","4","8","10","1") = "9"
    & skf18("7","2","6","4","9","1","1") = "8"
    & skf18("7","2","6","4","9","2","1") = "8"
    & skf18("7","2","6","4","9","3","1") = "8"
    & skf18("7","2","6","4","9","4","1") = "8"
    & skf18("7","2","6","4","9","5","1") = "8"
    & skf18("7","2","6","4","9","6","1") = "8"
    & skf18("7","2","6","4","9","7","1") = "8"
    & skf18("7","2","6","4","9","8","1") = "8"
    & skf18("7","2","6","4","9","9","1") = "8"
    & skf18("7","2","6","4","9","10","1") = "9"
    & skf18("7","2","6","4","10","1","1") = "9"
    & skf18("7","2","6","4","10","2","1") = "9"
    & skf18("7","2","6","4","10","3","1") = "9"
    & skf18("7","2","6","4","10","4","1") = "9"
    & skf18("7","2","6","4","10","5","1") = "9"
    & skf18("7","2","6","4","10","6","1") = "9"
    & skf18("7","2","6","4","10","7","1") = "9"
    & skf18("7","2","6","4","10","8","1") = "9"
    & skf18("7","2","6","4","10","9","1") = "9"
    & skf18("7","2","6","4","10","10","1") = "9"
    & skf18("7","2","6","5","1","1","1") = "6"
    & skf18("7","2","6","5","1","2","1") = "6"
    & skf18("7","2","6","5","1","3","1") = "6"
    & skf18("7","2","6","5","1","4","1") = "6"
    & skf18("7","2","6","5","1","5","1") = "6"
    & skf18("7","2","6","5","1","6","1") = "6"
    & skf18("7","2","6","5","1","7","1") = "6"
    & skf18("7","2","6","5","1","8","1") = "7"
    & skf18("7","2","6","5","1","9","1") = "8"
    & skf18("7","2","6","5","1","10","1") = "9"
    & skf18("7","2","6","5","2","1","1") = "6"
    & skf18("7","2","6","5","2","2","1") = "6"
    & skf18("7","2","6","5","2","3","1") = "6"
    & skf18("7","2","6","5","2","4","1") = "6"
    & skf18("7","2","6","5","2","5","1") = "6"
    & skf18("7","2","6","5","2","6","1") = "6"
    & skf18("7","2","6","5","2","7","1") = "6"
    & skf18("7","2","6","5","2","8","1") = "7"
    & skf18("7","2","6","5","2","9","1") = "8"
    & skf18("7","2","6","5","2","10","1") = "9"
    & skf18("7","2","6","5","3","1","1") = "6"
    & skf18("7","2","6","5","3","2","1") = "6"
    & skf18("7","2","6","5","3","3","1") = "6"
    & skf18("7","2","6","5","3","4","1") = "6"
    & skf18("7","2","6","5","3","5","1") = "6"
    & skf18("7","2","6","5","3","6","1") = "6"
    & skf18("7","2","6","5","3","7","1") = "6"
    & skf18("7","2","6","5","3","8","1") = "7"
    & skf18("7","2","6","5","3","9","1") = "8"
    & skf18("7","2","6","5","3","10","1") = "9"
    & skf18("7","2","6","5","4","1","1") = "6"
    & skf18("7","2","6","5","4","2","1") = "6"
    & skf18("7","2","6","5","4","3","1") = "6"
    & skf18("7","2","6","5","4","4","1") = "6"
    & skf18("7","2","6","5","4","5","1") = "6"
    & skf18("7","2","6","5","4","6","1") = "6"
    & skf18("7","2","6","5","4","7","1") = "6"
    & skf18("7","2","6","5","4","8","1") = "7"
    & skf18("7","2","6","5","4","9","1") = "8"
    & skf18("7","2","6","5","4","10","1") = "9"
    & skf18("7","2","6","5","5","1","1") = "6"
    & skf18("7","2","6","5","5","2","1") = "6"
    & skf18("7","2","6","5","5","3","1") = "6"
    & skf18("7","2","6","5","5","4","1") = "6"
    & skf18("7","2","6","5","5","5","1") = "6"
    & skf18("7","2","6","5","5","6","1") = "6"
    & skf18("7","2","6","5","5","7","1") = "6"
    & skf18("7","2","6","5","5","8","1") = "7"
    & skf18("7","2","6","5","5","9","1") = "8"
    & skf18("7","2","6","5","5","10","1") = "9"
    & skf18("7","2","6","5","6","1","1") = "6"
    & skf18("7","2","6","5","6","2","1") = "6"
    & skf18("7","2","6","5","6","3","1") = "6"
    & skf18("7","2","6","5","6","4","1") = "6"
    & skf18("7","2","6","5","6","5","1") = "6"
    & skf18("7","2","6","5","6","6","1") = "6"
    & skf18("7","2","6","5","6","7","1") = "6"
    & skf18("7","2","6","5","6","8","1") = "7"
    & skf18("7","2","6","5","6","9","1") = "8"
    & skf18("7","2","6","5","6","10","1") = "9"
    & skf18("7","2","6","5","7","1","1") = "6"
    & skf18("7","2","6","5","7","2","1") = "6"
    & skf18("7","2","6","5","7","3","1") = "6"
    & skf18("7","2","6","5","7","4","1") = "6"
    & skf18("7","2","6","5","7","5","1") = "6"
    & skf18("7","2","6","5","7","6","1") = "6"
    & skf18("7","2","6","5","7","7","1") = "6"
    & skf18("7","2","6","5","7","8","1") = "7"
    & skf18("7","2","6","5","7","9","1") = "8"
    & skf18("7","2","6","5","7","10","1") = "9"
    & skf18("7","2","6","5","8","1","1") = "7"
    & skf18("7","2","6","5","8","2","1") = "7"
    & skf18("7","2","6","5","8","3","1") = "7"
    & skf18("7","2","6","5","8","4","1") = "7"
    & skf18("7","2","6","5","8","5","1") = "7"
    & skf18("7","2","6","5","8","6","1") = "7"
    & skf18("7","2","6","5","8","7","1") = "7"
    & skf18("7","2","6","5","8","8","1") = "7"
    & skf18("7","2","6","5","8","9","1") = "8"
    & skf18("7","2","6","5","8","10","1") = "9"
    & skf18("7","2","6","5","9","1","1") = "8"
    & skf18("7","2","6","5","9","2","1") = "8"
    & skf18("7","2","6","5","9","3","1") = "8"
    & skf18("7","2","6","5","9","4","1") = "8"
    & skf18("7","2","6","5","9","5","1") = "8"
    & skf18("7","2","6","5","9","6","1") = "8"
    & skf18("7","2","6","5","9","7","1") = "8"
    & skf18("7","2","6","5","9","8","1") = "8"
    & skf18("7","2","6","5","9","9","1") = "8"
    & skf18("7","2","6","5","9","10","1") = "9"
    & skf18("7","2","6","5","10","1","1") = "9"
    & skf18("7","2","6","5","10","2","1") = "9"
    & skf18("7","2","6","5","10","3","1") = "9"
    & skf18("7","2","6","5","10","4","1") = "9"
    & skf18("7","2","6","5","10","5","1") = "9"
    & skf18("7","2","6","5","10","6","1") = "9"
    & skf18("7","2","6","5","10","7","1") = "9"
    & skf18("7","2","6","5","10","8","1") = "9"
    & skf18("7","2","6","5","10","9","1") = "9"
    & skf18("7","2","6","5","10","10","1") = "9"
    & skf18("7","2","6","6","1","1","1") = "6"
    & skf18("7","2","6","6","1","2","1") = "6"
    & skf18("7","2","6","6","1","3","1") = "6"
    & skf18("7","2","6","6","1","4","1") = "6"
    & skf18("7","2","6","6","1","5","1") = "6"
    & skf18("7","2","6","6","1","6","1") = "6"
    & skf18("7","2","6","6","1","7","1") = "6"
    & skf18("7","2","6","6","1","8","1") = "7"
    & skf18("7","2","6","6","1","9","1") = "8"
    & skf18("7","2","6","6","1","10","1") = "9"
    & skf18("7","2","6","6","2","1","1") = "6"
    & skf18("7","2","6","6","2","2","1") = "6"
    & skf18("7","2","6","6","2","3","1") = "6"
    & skf18("7","2","6","6","2","4","1") = "6"
    & skf18("7","2","6","6","2","5","1") = "6"
    & skf18("7","2","6","6","2","6","1") = "6"
    & skf18("7","2","6","6","2","7","1") = "6"
    & skf18("7","2","6","6","2","8","1") = "7"
    & skf18("7","2","6","6","2","9","1") = "8"
    & skf18("7","2","6","6","2","10","1") = "9"
    & skf18("7","2","6","6","3","1","1") = "6"
    & skf18("7","2","6","6","3","2","1") = "6"
    & skf18("7","2","6","6","3","3","1") = "6"
    & skf18("7","2","6","6","3","4","1") = "6"
    & skf18("7","2","6","6","3","5","1") = "6"
    & skf18("7","2","6","6","3","6","1") = "6"
    & skf18("7","2","6","6","3","7","1") = "6"
    & skf18("7","2","6","6","3","8","1") = "7"
    & skf18("7","2","6","6","3","9","1") = "8"
    & skf18("7","2","6","6","3","10","1") = "9"
    & skf18("7","2","6","6","4","1","1") = "6"
    & skf18("7","2","6","6","4","2","1") = "6"
    & skf18("7","2","6","6","4","3","1") = "6"
    & skf18("7","2","6","6","4","4","1") = "6"
    & skf18("7","2","6","6","4","5","1") = "6"
    & skf18("7","2","6","6","4","6","1") = "6"
    & skf18("7","2","6","6","4","7","1") = "6"
    & skf18("7","2","6","6","4","8","1") = "7"
    & skf18("7","2","6","6","4","9","1") = "8"
    & skf18("7","2","6","6","4","10","1") = "9"
    & skf18("7","2","6","6","5","1","1") = "6"
    & skf18("7","2","6","6","5","2","1") = "6"
    & skf18("7","2","6","6","5","3","1") = "6"
    & skf18("7","2","6","6","5","4","1") = "6"
    & skf18("7","2","6","6","5","5","1") = "6"
    & skf18("7","2","6","6","5","6","1") = "6"
    & skf18("7","2","6","6","5","7","1") = "6"
    & skf18("7","2","6","6","5","8","1") = "7"
    & skf18("7","2","6","6","5","9","1") = "8"
    & skf18("7","2","6","6","5","10","1") = "9"
    & skf18("7","2","6","6","6","1","1") = "6"
    & skf18("7","2","6","6","6","2","1") = "6"
    & skf18("7","2","6","6","6","3","1") = "6"
    & skf18("7","2","6","6","6","4","1") = "6"
    & skf18("7","2","6","6","6","5","1") = "6"
    & skf18("7","2","6","6","6","6","1") = "6"
    & skf18("7","2","6","6","6","7","1") = "6"
    & skf18("7","2","6","6","6","8","1") = "7"
    & skf18("7","2","6","6","6","9","1") = "8"
    & skf18("7","2","6","6","6","10","1") = "9"
    & skf18("7","2","6","6","7","1","1") = "6"
    & skf18("7","2","6","6","7","2","1") = "6"
    & skf18("7","2","6","6","7","3","1") = "6"
    & skf18("7","2","6","6","7","4","1") = "6"
    & skf18("7","2","6","6","7","5","1") = "6"
    & skf18("7","2","6","6","7","6","1") = "6"
    & skf18("7","2","6","6","7","7","1") = "6"
    & skf18("7","2","6","6","7","8","1") = "7"
    & skf18("7","2","6","6","7","9","1") = "8"
    & skf18("7","2","6","6","7","10","1") = "9"
    & skf18("7","2","6","6","8","1","1") = "7"
    & skf18("7","2","6","6","8","2","1") = "7"
    & skf18("7","2","6","6","8","3","1") = "7"
    & skf18("7","2","6","6","8","4","1") = "7"
    & skf18("7","2","6","6","8","5","1") = "7"
    & skf18("7","2","6","6","8","6","1") = "7"
    & skf18("7","2","6","6","8","7","1") = "7"
    & skf18("7","2","6","6","8","8","1") = "7"
    & skf18("7","2","6","6","8","9","1") = "8"
    & skf18("7","2","6","6","8","10","1") = "9"
    & skf18("7","2","6","6","9","1","1") = "8"
    & skf18("7","2","6","6","9","2","1") = "8"
    & skf18("7","2","6","6","9","3","1") = "8"
    & skf18("7","2","6","6","9","4","1") = "8"
    & skf18("7","2","6","6","9","5","1") = "8"
    & skf18("7","2","6","6","9","6","1") = "8"
    & skf18("7","2","6","6","9","7","1") = "8"
    & skf18("7","2","6","6","9","8","1") = "8"
    & skf18("7","2","6","6","9","9","1") = "8"
    & skf18("7","2","6","6","9","10","1") = "9"
    & skf18("7","2","6","6","10","1","1") = "9"
    & skf18("7","2","6","6","10","2","1") = "9"
    & skf18("7","2","6","6","10","3","1") = "9"
    & skf18("7","2","6","6","10","4","1") = "9"
    & skf18("7","2","6","6","10","5","1") = "9"
    & skf18("7","2","6","6","10","6","1") = "9"
    & skf18("7","2","6","6","10","7","1") = "9"
    & skf18("7","2","6","6","10","8","1") = "9"
    & skf18("7","2","6","6","10","9","1") = "9"
    & skf18("7","2","6","6","10","10","1") = "9"
    & skf18("7","2","6","7","1","1","1") = "6"
    & skf18("7","2","6","7","1","2","1") = "6"
    & skf18("7","2","6","7","1","3","1") = "6"
    & skf18("7","2","6","7","1","4","1") = "6"
    & skf18("7","2","6","7","1","5","1") = "6"
    & skf18("7","2","6","7","1","6","1") = "6"
    & skf18("7","2","6","7","1","7","1") = "6"
    & skf18("7","2","6","7","1","8","1") = "7"
    & skf18("7","2","6","7","1","9","1") = "8"
    & skf18("7","2","6","7","1","10","1") = "9"
    & skf18("7","2","6","7","2","1","1") = "6"
    & skf18("7","2","6","7","2","2","1") = "6"
    & skf18("7","2","6","7","2","3","1") = "6"
    & skf18("7","2","6","7","2","4","1") = "6"
    & skf18("7","2","6","7","2","5","1") = "6"
    & skf18("7","2","6","7","2","6","1") = "6"
    & skf18("7","2","6","7","2","7","1") = "6"
    & skf18("7","2","6","7","2","8","1") = "7"
    & skf18("7","2","6","7","2","9","1") = "8"
    & skf18("7","2","6","7","2","10","1") = "9"
    & skf18("7","2","6","7","3","1","1") = "6"
    & skf18("7","2","6","7","3","2","1") = "6"
    & skf18("7","2","6","7","3","3","1") = "6"
    & skf18("7","2","6","7","3","4","1") = "6"
    & skf18("7","2","6","7","3","5","1") = "6"
    & skf18("7","2","6","7","3","6","1") = "6"
    & skf18("7","2","6","7","3","7","1") = "6"
    & skf18("7","2","6","7","3","8","1") = "7"
    & skf18("7","2","6","7","3","9","1") = "8"
    & skf18("7","2","6","7","3","10","1") = "9"
    & skf18("7","2","6","7","4","1","1") = "6"
    & skf18("7","2","6","7","4","2","1") = "6"
    & skf18("7","2","6","7","4","3","1") = "6"
    & skf18("7","2","6","7","4","4","1") = "6"
    & skf18("7","2","6","7","4","5","1") = "6"
    & skf18("7","2","6","7","4","6","1") = "6"
    & skf18("7","2","6","7","4","7","1") = "6"
    & skf18("7","2","6","7","4","8","1") = "7"
    & skf18("7","2","6","7","4","9","1") = "8"
    & skf18("7","2","6","7","4","10","1") = "9"
    & skf18("7","2","6","7","5","1","1") = "6"
    & skf18("7","2","6","7","5","2","1") = "6"
    & skf18("7","2","6","7","5","3","1") = "6"
    & skf18("7","2","6","7","5","4","1") = "6"
    & skf18("7","2","6","7","5","5","1") = "6"
    & skf18("7","2","6","7","5","6","1") = "6"
    & skf18("7","2","6","7","5","7","1") = "6"
    & skf18("7","2","6","7","5","8","1") = "7"
    & skf18("7","2","6","7","5","9","1") = "8"
    & skf18("7","2","6","7","5","10","1") = "9"
    & skf18("7","2","6","7","6","1","1") = "6"
    & skf18("7","2","6","7","6","2","1") = "6"
    & skf18("7","2","6","7","6","3","1") = "6"
    & skf18("7","2","6","7","6","4","1") = "6"
    & skf18("7","2","6","7","6","5","1") = "6"
    & skf18("7","2","6","7","6","6","1") = "6"
    & skf18("7","2","6","7","6","7","1") = "6"
    & skf18("7","2","6","7","6","8","1") = "7"
    & skf18("7","2","6","7","6","9","1") = "8"
    & skf18("7","2","6","7","6","10","1") = "9"
    & skf18("7","2","6","7","7","1","1") = "6"
    & skf18("7","2","6","7","7","2","1") = "6"
    & skf18("7","2","6","7","7","3","1") = "6"
    & skf18("7","2","6","7","7","4","1") = "6"
    & skf18("7","2","6","7","7","5","1") = "6"
    & skf18("7","2","6","7","7","6","1") = "6"
    & skf18("7","2","6","7","7","7","1") = "6"
    & skf18("7","2","6","7","7","8","1") = "7"
    & skf18("7","2","6","7","7","9","1") = "8"
    & skf18("7","2","6","7","7","10","1") = "9"
    & skf18("7","2","6","7","8","1","1") = "7"
    & skf18("7","2","6","7","8","2","1") = "7"
    & skf18("7","2","6","7","8","3","1") = "7"
    & skf18("7","2","6","7","8","4","1") = "7"
    & skf18("7","2","6","7","8","5","1") = "7"
    & skf18("7","2","6","7","8","6","1") = "7"
    & skf18("7","2","6","7","8","7","1") = "7"
    & skf18("7","2","6","7","8","8","1") = "7"
    & skf18("7","2","6","7","8","9","1") = "8"
    & skf18("7","2","6","7","8","10","1") = "9"
    & skf18("7","2","6","7","9","1","1") = "8"
    & skf18("7","2","6","7","9","2","1") = "8"
    & skf18("7","2","6","7","9","3","1") = "8"
    & skf18("7","2","6","7","9","4","1") = "8"
    & skf18("7","2","6","7","9","5","1") = "8"
    & skf18("7","2","6","7","9","6","1") = "8"
    & skf18("7","2","6","7","9","7","1") = "8"
    & skf18("7","2","6","7","9","8","1") = "8"
    & skf18("7","2","6","7","9","9","1") = "8"
    & skf18("7","2","6","7","9","10","1") = "9"
    & skf18("7","2","6","7","10","1","1") = "9"
    & skf18("7","2","6","7","10","2","1") = "9"
    & skf18("7","2","6","7","10","3","1") = "9"
    & skf18("7","2","6","7","10","4","1") = "9"
    & skf18("7","2","6","7","10","5","1") = "9"
    & skf18("7","2","6","7","10","6","1") = "9"
    & skf18("7","2","6","7","10","7","1") = "9"
    & skf18("7","2","6","7","10","8","1") = "9"
    & skf18("7","2","6","7","10","9","1") = "9"
    & skf18("7","2","6","7","10","10","1") = "9"
    & skf18("7","2","6","8","1","1","1") = "7"
    & skf18("7","2","6","8","1","2","1") = "7"
    & skf18("7","2","6","8","1","3","1") = "7"
    & skf18("7","2","6","8","1","4","1") = "7"
    & skf18("7","2","6","8","1","5","1") = "7"
    & skf18("7","2","6","8","1","6","1") = "7"
    & skf18("7","2","6","8","1","7","1") = "7"
    & skf18("7","2","6","8","1","8","1") = "7"
    & skf18("7","2","6","8","1","9","1") = "8"
    & skf18("7","2","6","8","1","10","1") = "9"
    & skf18("7","2","6","8","2","1","1") = "7"
    & skf18("7","2","6","8","2","2","1") = "7"
    & skf18("7","2","6","8","2","3","1") = "7"
    & skf18("7","2","6","8","2","4","1") = "7"
    & skf18("7","2","6","8","2","5","1") = "7"
    & skf18("7","2","6","8","2","6","1") = "7"
    & skf18("7","2","6","8","2","7","1") = "7"
    & skf18("7","2","6","8","2","8","1") = "7"
    & skf18("7","2","6","8","2","9","1") = "8"
    & skf18("7","2","6","8","2","10","1") = "9"
    & skf18("7","2","6","8","3","1","1") = "7"
    & skf18("7","2","6","8","3","2","1") = "7"
    & skf18("7","2","6","8","3","3","1") = "7"
    & skf18("7","2","6","8","3","4","1") = "7"
    & skf18("7","2","6","8","3","5","1") = "7"
    & skf18("7","2","6","8","3","6","1") = "7"
    & skf18("7","2","6","8","3","7","1") = "7"
    & skf18("7","2","6","8","3","8","1") = "7"
    & skf18("7","2","6","8","3","9","1") = "8"
    & skf18("7","2","6","8","3","10","1") = "9"
    & skf18("7","2","6","8","4","1","1") = "7"
    & skf18("7","2","6","8","4","2","1") = "7"
    & skf18("7","2","6","8","4","3","1") = "7"
    & skf18("7","2","6","8","4","4","1") = "7"
    & skf18("7","2","6","8","4","5","1") = "7"
    & skf18("7","2","6","8","4","6","1") = "7"
    & skf18("7","2","6","8","4","7","1") = "7"
    & skf18("7","2","6","8","4","8","1") = "7"
    & skf18("7","2","6","8","4","9","1") = "8"
    & skf18("7","2","6","8","4","10","1") = "9"
    & skf18("7","2","6","8","5","1","1") = "7"
    & skf18("7","2","6","8","5","2","1") = "7"
    & skf18("7","2","6","8","5","3","1") = "7"
    & skf18("7","2","6","8","5","4","1") = "7"
    & skf18("7","2","6","8","5","5","1") = "7"
    & skf18("7","2","6","8","5","6","1") = "7"
    & skf18("7","2","6","8","5","7","1") = "7"
    & skf18("7","2","6","8","5","8","1") = "7"
    & skf18("7","2","6","8","5","9","1") = "8"
    & skf18("7","2","6","8","5","10","1") = "9"
    & skf18("7","2","6","8","6","1","1") = "7"
    & skf18("7","2","6","8","6","2","1") = "7"
    & skf18("7","2","6","8","6","3","1") = "7"
    & skf18("7","2","6","8","6","4","1") = "7"
    & skf18("7","2","6","8","6","5","1") = "7"
    & skf18("7","2","6","8","6","6","1") = "7"
    & skf18("7","2","6","8","6","7","1") = "7"
    & skf18("7","2","6","8","6","8","1") = "7"
    & skf18("7","2","6","8","6","9","1") = "8"
    & skf18("7","2","6","8","6","10","1") = "9"
    & skf18("7","2","6","8","7","1","1") = "7"
    & skf18("7","2","6","8","7","2","1") = "7"
    & skf18("7","2","6","8","7","3","1") = "7"
    & skf18("7","2","6","8","7","4","1") = "7"
    & skf18("7","2","6","8","7","5","1") = "7"
    & skf18("7","2","6","8","7","6","1") = "7"
    & skf18("7","2","6","8","7","7","1") = "7"
    & skf18("7","2","6","8","7","8","1") = "7"
    & skf18("7","2","6","8","7","9","1") = "8"
    & skf18("7","2","6","8","7","10","1") = "9"
    & skf18("7","2","6","8","8","1","1") = "7"
    & skf18("7","2","6","8","8","2","1") = "7"
    & skf18("7","2","6","8","8","3","1") = "7"
    & skf18("7","2","6","8","8","4","1") = "7"
    & skf18("7","2","6","8","8","5","1") = "7"
    & skf18("7","2","6","8","8","6","1") = "7"
    & skf18("7","2","6","8","8","7","1") = "7"
    & skf18("7","2","6","8","8","8","1") = "7"
    & skf18("7","2","6","8","8","9","1") = "8"
    & skf18("7","2","6","8","8","10","1") = "9"
    & skf18("7","2","6","8","9","1","1") = "8"
    & skf18("7","2","6","8","9","2","1") = "8"
    & skf18("7","2","6","8","9","3","1") = "8"
    & skf18("7","2","6","8","9","4","1") = "8"
    & skf18("7","2","6","8","9","5","1") = "8"
    & skf18("7","2","6","8","9","6","1") = "8"
    & skf18("7","2","6","8","9","7","1") = "8"
    & skf18("7","2","6","8","9","8","1") = "8"
    & skf18("7","2","6","8","9","9","1") = "8"
    & skf18("7","2","6","8","9","10","1") = "9"
    & skf18("7","2","6","8","10","1","1") = "9"
    & skf18("7","2","6","8","10","2","1") = "9"
    & skf18("7","2","6","8","10","3","1") = "9"
    & skf18("7","2","6","8","10","4","1") = "9"
    & skf18("7","2","6","8","10","5","1") = "9"
    & skf18("7","2","6","8","10","6","1") = "9"
    & skf18("7","2","6","8","10","7","1") = "9"
    & skf18("7","2","6","8","10","8","1") = "9"
    & skf18("7","2","6","8","10","9","1") = "9"
    & skf18("7","2","6","8","10","10","1") = "9"
    & skf18("7","2","6","9","1","1","1") = "8"
    & skf18("7","2","6","9","1","2","1") = "8"
    & skf18("7","2","6","9","1","3","1") = "8"
    & skf18("7","2","6","9","1","4","1") = "8"
    & skf18("7","2","6","9","1","5","1") = "8"
    & skf18("7","2","6","9","1","6","1") = "8"
    & skf18("7","2","6","9","1","7","1") = "8"
    & skf18("7","2","6","9","1","8","1") = "8"
    & skf18("7","2","6","9","1","9","1") = "8"
    & skf18("7","2","6","9","1","10","1") = "9"
    & skf18("7","2","6","9","2","1","1") = "8"
    & skf18("7","2","6","9","2","2","1") = "8"
    & skf18("7","2","6","9","2","3","1") = "8"
    & skf18("7","2","6","9","2","4","1") = "8"
    & skf18("7","2","6","9","2","5","1") = "8"
    & skf18("7","2","6","9","2","6","1") = "8"
    & skf18("7","2","6","9","2","7","1") = "8"
    & skf18("7","2","6","9","2","8","1") = "8"
    & skf18("7","2","6","9","2","9","1") = "8"
    & skf18("7","2","6","9","2","10","1") = "9"
    & skf18("7","2","6","9","3","1","1") = "8"
    & skf18("7","2","6","9","3","2","1") = "8"
    & skf18("7","2","6","9","3","3","1") = "8"
    & skf18("7","2","6","9","3","4","1") = "8"
    & skf18("7","2","6","9","3","5","1") = "8"
    & skf18("7","2","6","9","3","6","1") = "8"
    & skf18("7","2","6","9","3","7","1") = "8"
    & skf18("7","2","6","9","3","8","1") = "8"
    & skf18("7","2","6","9","3","9","1") = "8"
    & skf18("7","2","6","9","3","10","1") = "9"
    & skf18("7","2","6","9","4","1","1") = "8"
    & skf18("7","2","6","9","4","2","1") = "8"
    & skf18("7","2","6","9","4","3","1") = "8"
    & skf18("7","2","6","9","4","4","1") = "8"
    & skf18("7","2","6","9","4","5","1") = "8"
    & skf18("7","2","6","9","4","6","1") = "8"
    & skf18("7","2","6","9","4","7","1") = "8"
    & skf18("7","2","6","9","4","8","1") = "8"
    & skf18("7","2","6","9","4","9","1") = "8"
    & skf18("7","2","6","9","4","10","1") = "9"
    & skf18("7","2","6","9","5","1","1") = "8"
    & skf18("7","2","6","9","5","2","1") = "8"
    & skf18("7","2","6","9","5","3","1") = "8"
    & skf18("7","2","6","9","5","4","1") = "8"
    & skf18("7","2","6","9","5","5","1") = "8"
    & skf18("7","2","6","9","5","6","1") = "8"
    & skf18("7","2","6","9","5","7","1") = "8"
    & skf18("7","2","6","9","5","8","1") = "8"
    & skf18("7","2","6","9","5","9","1") = "8"
    & skf18("7","2","6","9","5","10","1") = "9"
    & skf18("7","2","6","9","6","1","1") = "8"
    & skf18("7","2","6","9","6","2","1") = "8"
    & skf18("7","2","6","9","6","3","1") = "8"
    & skf18("7","2","6","9","6","4","1") = "8"
    & skf18("7","2","6","9","6","5","1") = "8"
    & skf18("7","2","6","9","6","6","1") = "8"
    & skf18("7","2","6","9","6","7","1") = "8"
    & skf18("7","2","6","9","6","8","1") = "8"
    & skf18("7","2","6","9","6","9","1") = "8"
    & skf18("7","2","6","9","6","10","1") = "9"
    & skf18("7","2","6","9","7","1","1") = "8"
    & skf18("7","2","6","9","7","2","1") = "8"
    & skf18("7","2","6","9","7","3","1") = "8"
    & skf18("7","2","6","9","7","4","1") = "8"
    & skf18("7","2","6","9","7","5","1") = "8"
    & skf18("7","2","6","9","7","6","1") = "8"
    & skf18("7","2","6","9","7","7","1") = "8"
    & skf18("7","2","6","9","7","8","1") = "8"
    & skf18("7","2","6","9","7","9","1") = "8"
    & skf18("7","2","6","9","7","10","1") = "9"
    & skf18("7","2","6","9","8","1","1") = "8"
    & skf18("7","2","6","9","8","2","1") = "8"
    & skf18("7","2","6","9","8","3","1") = "8"
    & skf18("7","2","6","9","8","4","1") = "8"
    & skf18("7","2","6","9","8","5","1") = "8"
    & skf18("7","2","6","9","8","6","1") = "8"
    & skf18("7","2","6","9","8","7","1") = "8"
    & skf18("7","2","6","9","8","8","1") = "8"
    & skf18("7","2","6","9","8","9","1") = "8"
    & skf18("7","2","6","9","8","10","1") = "9"
    & skf18("7","2","6","9","9","1","1") = "8"
    & skf18("7","2","6","9","9","2","1") = "8"
    & skf18("7","2","6","9","9","3","1") = "8"
    & skf18("7","2","6","9","9","4","1") = "8"
    & skf18("7","2","6","9","9","5","1") = "8"
    & skf18("7","2","6","9","9","6","1") = "8"
    & skf18("7","2","6","9","9","7","1") = "8"
    & skf18("7","2","6","9","9","8","1") = "8"
    & skf18("7","2","6","9","9","9","1") = "8"
    & skf18("7","2","6","9","9","10","1") = "9"
    & skf18("7","2","6","9","10","1","1") = "9"
    & skf18("7","2","6","9","10","2","1") = "9"
    & skf18("7","2","6","9","10","3","1") = "9"
    & skf18("7","2","6","9","10","4","1") = "9"
    & skf18("7","2","6","9","10","5","1") = "9"
    & skf18("7","2","6","9","10","6","1") = "9"
    & skf18("7","2","6","9","10","7","1") = "9"
    & skf18("7","2","6","9","10","8","1") = "9"
    & skf18("7","2","6","9","10","9","1") = "9"
    & skf18("7","2","6","9","10","10","1") = "9"
    & skf18("7","2","6","10","1","1","1") = "9"
    & skf18("7","2","6","10","1","2","1") = "9"
    & skf18("7","2","6","10","1","3","1") = "9"
    & skf18("7","2","6","10","1","4","1") = "9"
    & skf18("7","2","6","10","1","5","1") = "9"
    & skf18("7","2","6","10","1","6","1") = "9"
    & skf18("7","2","6","10","1","7","1") = "9"
    & skf18("7","2","6","10","1","8","1") = "9"
    & skf18("7","2","6","10","1","9","1") = "9"
    & skf18("7","2","6","10","1","10","1") = "9"
    & skf18("7","2","6","10","2","1","1") = "9"
    & skf18("7","2","6","10","2","2","1") = "9"
    & skf18("7","2","6","10","2","3","1") = "9"
    & skf18("7","2","6","10","2","4","1") = "9"
    & skf18("7","2","6","10","2","5","1") = "9"
    & skf18("7","2","6","10","2","6","1") = "9"
    & skf18("7","2","6","10","2","7","1") = "9"
    & skf18("7","2","6","10","2","8","1") = "9"
    & skf18("7","2","6","10","2","9","1") = "9"
    & skf18("7","2","6","10","2","10","1") = "9"
    & skf18("7","2","6","10","3","1","1") = "9"
    & skf18("7","2","6","10","3","2","1") = "9"
    & skf18("7","2","6","10","3","3","1") = "9"
    & skf18("7","2","6","10","3","4","1") = "9"
    & skf18("7","2","6","10","3","5","1") = "9"
    & skf18("7","2","6","10","3","6","1") = "9"
    & skf18("7","2","6","10","3","7","1") = "9"
    & skf18("7","2","6","10","3","8","1") = "9"
    & skf18("7","2","6","10","3","9","1") = "9"
    & skf18("7","2","6","10","3","10","1") = "9"
    & skf18("7","2","6","10","4","1","1") = "9"
    & skf18("7","2","6","10","4","2","1") = "9"
    & skf18("7","2","6","10","4","3","1") = "9"
    & skf18("7","2","6","10","4","4","1") = "9"
    & skf18("7","2","6","10","4","5","1") = "9"
    & skf18("7","2","6","10","4","6","1") = "9"
    & skf18("7","2","6","10","4","7","1") = "9"
    & skf18("7","2","6","10","4","8","1") = "9"
    & skf18("7","2","6","10","4","9","1") = "9"
    & skf18("7","2","6","10","4","10","1") = "9"
    & skf18("7","2","6","10","5","1","1") = "9"
    & skf18("7","2","6","10","5","2","1") = "9"
    & skf18("7","2","6","10","5","3","1") = "9"
    & skf18("7","2","6","10","5","4","1") = "9"
    & skf18("7","2","6","10","5","5","1") = "9"
    & skf18("7","2","6","10","5","6","1") = "9"
    & skf18("7","2","6","10","5","7","1") = "9"
    & skf18("7","2","6","10","5","8","1") = "9"
    & skf18("7","2","6","10","5","9","1") = "9"
    & skf18("7","2","6","10","5","10","1") = "9"
    & skf18("7","2","6","10","6","1","1") = "9"
    & skf18("7","2","6","10","6","2","1") = "9"
    & skf18("7","2","6","10","6","3","1") = "9"
    & skf18("7","2","6","10","6","4","1") = "9"
    & skf18("7","2","6","10","6","5","1") = "9"
    & skf18("7","2","6","10","6","6","1") = "9"
    & skf18("7","2","6","10","6","7","1") = "9"
    & skf18("7","2","6","10","6","8","1") = "9"
    & skf18("7","2","6","10","6","9","1") = "9"
    & skf18("7","2","6","10","6","10","1") = "9"
    & skf18("7","2","6","10","7","1","1") = "9"
    & skf18("7","2","6","10","7","2","1") = "9"
    & skf18("7","2","6","10","7","3","1") = "9"
    & skf18("7","2","6","10","7","4","1") = "9"
    & skf18("7","2","6","10","7","5","1") = "9"
    & skf18("7","2","6","10","7","6","1") = "9"
    & skf18("7","2","6","10","7","7","1") = "9"
    & skf18("7","2","6","10","7","8","1") = "9"
    & skf18("7","2","6","10","7","9","1") = "9"
    & skf18("7","2","6","10","7","10","1") = "9"
    & skf18("7","2","6","10","8","1","1") = "9"
    & skf18("7","2","6","10","8","2","1") = "9"
    & skf18("7","2","6","10","8","3","1") = "9"
    & skf18("7","2","6","10","8","4","1") = "9"
    & skf18("7","2","6","10","8","5","1") = "9"
    & skf18("7","2","6","10","8","6","1") = "9"
    & skf18("7","2","6","10","8","7","1") = "9"
    & skf18("7","2","6","10","8","8","1") = "9"
    & skf18("7","2","6","10","8","9","1") = "9"
    & skf18("7","2","6","10","8","10","1") = "9"
    & skf18("7","2","6","10","9","1","1") = "9"
    & skf18("7","2","6","10","9","2","1") = "9"
    & skf18("7","2","6","10","9","3","1") = "9"
    & skf18("7","2","6","10","9","4","1") = "9"
    & skf18("7","2","6","10","9","5","1") = "9"
    & skf18("7","2","6","10","9","6","1") = "9"
    & skf18("7","2","6","10","9","7","1") = "9"
    & skf18("7","2","6","10","9","8","1") = "9"
    & skf18("7","2","6","10","9","9","1") = "9"
    & skf18("7","2","6","10","9","10","1") = "9"
    & skf18("7","2","6","10","10","1","1") = "9"
    & skf18("7","2","6","10","10","2","1") = "9"
    & skf18("7","2","6","10","10","3","1") = "9"
    & skf18("7","2","6","10","10","4","1") = "9"
    & skf18("7","2","6","10","10","5","1") = "9"
    & skf18("7","2","6","10","10","6","1") = "9"
    & skf18("7","2","6","10","10","7","1") = "9"
    & skf18("7","2","6","10","10","8","1") = "9"
    & skf18("7","2","6","10","10","9","1") = "9"
    & skf18("7","2","6","10","10","10","1") = "9"
    & skf18("7","2","7","1","1","1","1") = "6"
    & skf18("7","2","7","1","1","2","1") = "6"
    & skf18("7","2","7","1","1","3","1") = "6"
    & skf18("7","2","7","1","1","4","1") = "6"
    & skf18("7","2","7","1","1","5","1") = "6"
    & skf18("7","2","7","1","1","6","1") = "6"
    & skf18("7","2","7","1","1","7","1") = "6"
    & skf18("7","2","7","1","1","8","1") = "7"
    & skf18("7","2","7","1","1","9","1") = "8"
    & skf18("7","2","7","1","1","10","1") = "9"
    & skf18("7","2","7","1","2","1","1") = "6"
    & skf18("7","2","7","1","2","2","1") = "6"
    & skf18("7","2","7","1","2","3","1") = "6"
    & skf18("7","2","7","1","2","4","1") = "6"
    & skf18("7","2","7","1","2","5","1") = "6"
    & skf18("7","2","7","1","2","6","1") = "6"
    & skf18("7","2","7","1","2","7","1") = "6"
    & skf18("7","2","7","1","2","8","1") = "7"
    & skf18("7","2","7","1","2","9","1") = "8"
    & skf18("7","2","7","1","2","10","1") = "9"
    & skf18("7","2","7","1","3","1","1") = "6"
    & skf18("7","2","7","1","3","2","1") = "6"
    & skf18("7","2","7","1","3","3","1") = "6"
    & skf18("7","2","7","1","3","4","1") = "6"
    & skf18("7","2","7","1","3","5","1") = "6"
    & skf18("7","2","7","1","3","6","1") = "6"
    & skf18("7","2","7","1","3","7","1") = "6"
    & skf18("7","2","7","1","3","8","1") = "7"
    & skf18("7","2","7","1","3","9","1") = "8"
    & skf18("7","2","7","1","3","10","1") = "9"
    & skf18("7","2","7","1","4","1","1") = "6"
    & skf18("7","2","7","1","4","2","1") = "6"
    & skf18("7","2","7","1","4","3","1") = "6"
    & skf18("7","2","7","1","4","4","1") = "6"
    & skf18("7","2","7","1","4","5","1") = "6"
    & skf18("7","2","7","1","4","6","1") = "6"
    & skf18("7","2","7","1","4","7","1") = "6"
    & skf18("7","2","7","1","4","8","1") = "7"
    & skf18("7","2","7","1","4","9","1") = "8"
    & skf18("7","2","7","1","4","10","1") = "9"
    & skf18("7","2","7","1","5","1","1") = "6"
    & skf18("7","2","7","1","5","2","1") = "6"
    & skf18("7","2","7","1","5","3","1") = "6"
    & skf18("7","2","7","1","5","4","1") = "6"
    & skf18("7","2","7","1","5","5","1") = "6"
    & skf18("7","2","7","1","5","6","1") = "6"
    & skf18("7","2","7","1","5","7","1") = "6"
    & skf18("7","2","7","1","5","8","1") = "7"
    & skf18("7","2","7","1","5","9","1") = "8"
    & skf18("7","2","7","1","5","10","1") = "9"
    & skf18("7","2","7","1","6","1","1") = "6"
    & skf18("7","2","7","1","6","2","1") = "6"
    & skf18("7","2","7","1","6","3","1") = "6"
    & skf18("7","2","7","1","6","4","1") = "6"
    & skf18("7","2","7","1","6","5","1") = "6"
    & skf18("7","2","7","1","6","6","1") = "6"
    & skf18("7","2","7","1","6","7","1") = "6"
    & skf18("7","2","7","1","6","8","1") = "7"
    & skf18("7","2","7","1","6","9","1") = "8"
    & skf18("7","2","7","1","6","10","1") = "9"
    & skf18("7","2","7","1","7","1","1") = "6"
    & skf18("7","2","7","1","7","2","1") = "6"
    & skf18("7","2","7","1","7","3","1") = "6"
    & skf18("7","2","7","1","7","4","1") = "6"
    & skf18("7","2","7","1","7","5","1") = "6"
    & skf18("7","2","7","1","7","6","1") = "6"
    & skf18("7","2","7","1","7","7","1") = "6"
    & skf18("7","2","7","1","7","8","1") = "7"
    & skf18("7","2","7","1","7","9","1") = "8"
    & skf18("7","2","7","1","7","10","1") = "9"
    & skf18("7","2","7","1","8","1","1") = "7"
    & skf18("7","2","7","1","8","2","1") = "7"
    & skf18("7","2","7","1","8","3","1") = "7"
    & skf18("7","2","7","1","8","4","1") = "7"
    & skf18("7","2","7","1","8","5","1") = "7"
    & skf18("7","2","7","1","8","6","1") = "7"
    & skf18("7","2","7","1","8","7","1") = "7"
    & skf18("7","2","7","1","8","8","1") = "7"
    & skf18("7","2","7","1","8","9","1") = "8"
    & skf18("7","2","7","1","8","10","1") = "9"
    & skf18("7","2","7","1","9","1","1") = "8"
    & skf18("7","2","7","1","9","2","1") = "8"
    & skf18("7","2","7","1","9","3","1") = "8"
    & skf18("7","2","7","1","9","4","1") = "8"
    & skf18("7","2","7","1","9","5","1") = "8"
    & skf18("7","2","7","1","9","6","1") = "8"
    & skf18("7","2","7","1","9","7","1") = "8"
    & skf18("7","2","7","1","9","8","1") = "8"
    & skf18("7","2","7","1","9","9","1") = "8"
    & skf18("7","2","7","1","9","10","1") = "9"
    & skf18("7","2","7","1","10","1","1") = "9"
    & skf18("7","2","7","1","10","2","1") = "9"
    & skf18("7","2","7","1","10","3","1") = "9"
    & skf18("7","2","7","1","10","4","1") = "9"
    & skf18("7","2","7","1","10","5","1") = "9"
    & skf18("7","2","7","1","10","6","1") = "9"
    & skf18("7","2","7","1","10","7","1") = "9"
    & skf18("7","2","7","1","10","8","1") = "9"
    & skf18("7","2","7","1","10","9","1") = "9"
    & skf18("7","2","7","1","10","10","1") = "9"
    & skf18("7","2","7","2","1","1","1") = "6"
    & skf18("7","2","7","2","1","2","1") = "6"
    & skf18("7","2","7","2","1","3","1") = "6"
    & skf18("7","2","7","2","1","4","1") = "6"
    & skf18("7","2","7","2","1","5","1") = "6"
    & skf18("7","2","7","2","1","6","1") = "6"
    & skf18("7","2","7","2","1","7","1") = "6"
    & skf18("7","2","7","2","1","8","1") = "7"
    & skf18("7","2","7","2","1","9","1") = "8"
    & skf18("7","2","7","2","1","10","1") = "9"
    & skf18("7","2","7","2","2","1","1") = "6"
    & skf18("7","2","7","2","2","2","1") = "6"
    & skf18("7","2","7","2","2","3","1") = "6"
    & skf18("7","2","7","2","2","4","1") = "6"
    & skf18("7","2","7","2","2","5","1") = "6"
    & skf18("7","2","7","2","2","6","1") = "6"
    & skf18("7","2","7","2","2","7","1") = "6"
    & skf18("7","2","7","2","2","8","1") = "7"
    & skf18("7","2","7","2","2","9","1") = "8"
    & skf18("7","2","7","2","2","10","1") = "9"
    & skf18("7","2","7","2","3","1","1") = "6"
    & skf18("7","2","7","2","3","2","1") = "6"
    & skf18("7","2","7","2","3","3","1") = "6"
    & skf18("7","2","7","2","3","4","1") = "6"
    & skf18("7","2","7","2","3","5","1") = "6"
    & skf18("7","2","7","2","3","6","1") = "6"
    & skf18("7","2","7","2","3","7","1") = "6"
    & skf18("7","2","7","2","3","8","1") = "7"
    & skf18("7","2","7","2","3","9","1") = "8"
    & skf18("7","2","7","2","3","10","1") = "9"
    & skf18("7","2","7","2","4","1","1") = "6"
    & skf18("7","2","7","2","4","2","1") = "6"
    & skf18("7","2","7","2","4","3","1") = "6"
    & skf18("7","2","7","2","4","4","1") = "6"
    & skf18("7","2","7","2","4","5","1") = "6"
    & skf18("7","2","7","2","4","6","1") = "6"
    & skf18("7","2","7","2","4","7","1") = "6"
    & skf18("7","2","7","2","4","8","1") = "7"
    & skf18("7","2","7","2","4","9","1") = "8"
    & skf18("7","2","7","2","4","10","1") = "9"
    & skf18("7","2","7","2","5","1","1") = "6"
    & skf18("7","2","7","2","5","2","1") = "6"
    & skf18("7","2","7","2","5","3","1") = "6"
    & skf18("7","2","7","2","5","4","1") = "6"
    & skf18("7","2","7","2","5","5","1") = "6"
    & skf18("7","2","7","2","5","6","1") = "6"
    & skf18("7","2","7","2","5","7","1") = "6"
    & skf18("7","2","7","2","5","8","1") = "7"
    & skf18("7","2","7","2","5","9","1") = "8"
    & skf18("7","2","7","2","5","10","1") = "9"
    & skf18("7","2","7","2","6","1","1") = "6"
    & skf18("7","2","7","2","6","2","1") = "6"
    & skf18("7","2","7","2","6","3","1") = "6"
    & skf18("7","2","7","2","6","4","1") = "6"
    & skf18("7","2","7","2","6","5","1") = "6"
    & skf18("7","2","7","2","6","6","1") = "6"
    & skf18("7","2","7","2","6","7","1") = "6"
    & skf18("7","2","7","2","6","8","1") = "7"
    & skf18("7","2","7","2","6","9","1") = "8"
    & skf18("7","2","7","2","6","10","1") = "9"
    & skf18("7","2","7","2","7","1","1") = "6"
    & skf18("7","2","7","2","7","2","1") = "6"
    & skf18("7","2","7","2","7","3","1") = "6"
    & skf18("7","2","7","2","7","4","1") = "6"
    & skf18("7","2","7","2","7","5","1") = "6"
    & skf18("7","2","7","2","7","6","1") = "6"
    & skf18("7","2","7","2","7","7","1") = "6"
    & skf18("7","2","7","2","7","8","1") = "7"
    & skf18("7","2","7","2","7","9","1") = "8"
    & skf18("7","2","7","2","7","10","1") = "9"
    & skf18("7","2","7","2","8","1","1") = "7"
    & skf18("7","2","7","2","8","2","1") = "7"
    & skf18("7","2","7","2","8","3","1") = "7"
    & skf18("7","2","7","2","8","4","1") = "7"
    & skf18("7","2","7","2","8","5","1") = "7"
    & skf18("7","2","7","2","8","6","1") = "7"
    & skf18("7","2","7","2","8","7","1") = "7"
    & skf18("7","2","7","2","8","8","1") = "7"
    & skf18("7","2","7","2","8","9","1") = "8"
    & skf18("7","2","7","2","8","10","1") = "9"
    & skf18("7","2","7","2","9","1","1") = "8"
    & skf18("7","2","7","2","9","2","1") = "8"
    & skf18("7","2","7","2","9","3","1") = "8"
    & skf18("7","2","7","2","9","4","1") = "8"
    & skf18("7","2","7","2","9","5","1") = "8"
    & skf18("7","2","7","2","9","6","1") = "8"
    & skf18("7","2","7","2","9","7","1") = "8"
    & skf18("7","2","7","2","9","8","1") = "8"
    & skf18("7","2","7","2","9","9","1") = "8"
    & skf18("7","2","7","2","9","10","1") = "9"
    & skf18("7","2","7","2","10","1","1") = "9"
    & skf18("7","2","7","2","10","2","1") = "9"
    & skf18("7","2","7","2","10","3","1") = "9"
    & skf18("7","2","7","2","10","4","1") = "9"
    & skf18("7","2","7","2","10","5","1") = "9"
    & skf18("7","2","7","2","10","6","1") = "9"
    & skf18("7","2","7","2","10","7","1") = "9"
    & skf18("7","2","7","2","10","8","1") = "9"
    & skf18("7","2","7","2","10","9","1") = "9"
    & skf18("7","2","7","2","10","10","1") = "9"
    & skf18("7","2","7","3","1","1","1") = "6"
    & skf18("7","2","7","3","1","2","1") = "6"
    & skf18("7","2","7","3","1","3","1") = "6"
    & skf18("7","2","7","3","1","4","1") = "6"
    & skf18("7","2","7","3","1","5","1") = "6"
    & skf18("7","2","7","3","1","6","1") = "6"
    & skf18("7","2","7","3","1","7","1") = "6"
    & skf18("7","2","7","3","1","8","1") = "7"
    & skf18("7","2","7","3","1","9","1") = "8"
    & skf18("7","2","7","3","1","10","1") = "9"
    & skf18("7","2","7","3","2","1","1") = "6"
    & skf18("7","2","7","3","2","2","1") = "6"
    & skf18("7","2","7","3","2","3","1") = "6"
    & skf18("7","2","7","3","2","4","1") = "6"
    & skf18("7","2","7","3","2","5","1") = "6"
    & skf18("7","2","7","3","2","6","1") = "6"
    & skf18("7","2","7","3","2","7","1") = "6"
    & skf18("7","2","7","3","2","8","1") = "7"
    & skf18("7","2","7","3","2","9","1") = "8"
    & skf18("7","2","7","3","2","10","1") = "9"
    & skf18("7","2","7","3","3","1","1") = "6"
    & skf18("7","2","7","3","3","2","1") = "6"
    & skf18("7","2","7","3","3","3","1") = "6"
    & skf18("7","2","7","3","3","4","1") = "6"
    & skf18("7","2","7","3","3","5","1") = "6"
    & skf18("7","2","7","3","3","6","1") = "6"
    & skf18("7","2","7","3","3","7","1") = "6"
    & skf18("7","2","7","3","3","8","1") = "7"
    & skf18("7","2","7","3","3","9","1") = "8"
    & skf18("7","2","7","3","3","10","1") = "9"
    & skf18("7","2","7","3","4","1","1") = "6"
    & skf18("7","2","7","3","4","2","1") = "6"
    & skf18("7","2","7","3","4","3","1") = "6"
    & skf18("7","2","7","3","4","4","1") = "6"
    & skf18("7","2","7","3","4","5","1") = "6"
    & skf18("7","2","7","3","4","6","1") = "6"
    & skf18("7","2","7","3","4","7","1") = "6"
    & skf18("7","2","7","3","4","8","1") = "7"
    & skf18("7","2","7","3","4","9","1") = "8"
    & skf18("7","2","7","3","4","10","1") = "9"
    & skf18("7","2","7","3","5","1","1") = "6"
    & skf18("7","2","7","3","5","2","1") = "6"
    & skf18("7","2","7","3","5","3","1") = "6"
    & skf18("7","2","7","3","5","4","1") = "6"
    & skf18("7","2","7","3","5","5","1") = "6"
    & skf18("7","2","7","3","5","6","1") = "6"
    & skf18("7","2","7","3","5","7","1") = "6"
    & skf18("7","2","7","3","5","8","1") = "7"
    & skf18("7","2","7","3","5","9","1") = "8"
    & skf18("7","2","7","3","5","10","1") = "9"
    & skf18("7","2","7","3","6","1","1") = "6"
    & skf18("7","2","7","3","6","2","1") = "6"
    & skf18("7","2","7","3","6","3","1") = "6"
    & skf18("7","2","7","3","6","4","1") = "6"
    & skf18("7","2","7","3","6","5","1") = "6"
    & skf18("7","2","7","3","6","6","1") = "6"
    & skf18("7","2","7","3","6","7","1") = "6"
    & skf18("7","2","7","3","6","8","1") = "7"
    & skf18("7","2","7","3","6","9","1") = "8"
    & skf18("7","2","7","3","6","10","1") = "9"
    & skf18("7","2","7","3","7","1","1") = "6"
    & skf18("7","2","7","3","7","2","1") = "6"
    & skf18("7","2","7","3","7","3","1") = "6"
    & skf18("7","2","7","3","7","4","1") = "6"
    & skf18("7","2","7","3","7","5","1") = "6"
    & skf18("7","2","7","3","7","6","1") = "6"
    & skf18("7","2","7","3","7","7","1") = "6"
    & skf18("7","2","7","3","7","8","1") = "7"
    & skf18("7","2","7","3","7","9","1") = "8"
    & skf18("7","2","7","3","7","10","1") = "9"
    & skf18("7","2","7","3","8","1","1") = "7"
    & skf18("7","2","7","3","8","2","1") = "7"
    & skf18("7","2","7","3","8","3","1") = "7"
    & skf18("7","2","7","3","8","4","1") = "7"
    & skf18("7","2","7","3","8","5","1") = "7"
    & skf18("7","2","7","3","8","6","1") = "7"
    & skf18("7","2","7","3","8","7","1") = "7"
    & skf18("7","2","7","3","8","8","1") = "7"
    & skf18("7","2","7","3","8","9","1") = "8"
    & skf18("7","2","7","3","8","10","1") = "9"
    & skf18("7","2","7","3","9","1","1") = "8"
    & skf18("7","2","7","3","9","2","1") = "8"
    & skf18("7","2","7","3","9","3","1") = "8"
    & skf18("7","2","7","3","9","4","1") = "8"
    & skf18("7","2","7","3","9","5","1") = "8"
    & skf18("7","2","7","3","9","6","1") = "8"
    & skf18("7","2","7","3","9","7","1") = "8"
    & skf18("7","2","7","3","9","8","1") = "8"
    & skf18("7","2","7","3","9","9","1") = "8"
    & skf18("7","2","7","3","9","10","1") = "9"
    & skf18("7","2","7","3","10","1","1") = "9"
    & skf18("7","2","7","3","10","2","1") = "9"
    & skf18("7","2","7","3","10","3","1") = "9"
    & skf18("7","2","7","3","10","4","1") = "9"
    & skf18("7","2","7","3","10","5","1") = "9"
    & skf18("7","2","7","3","10","6","1") = "9"
    & skf18("7","2","7","3","10","7","1") = "9"
    & skf18("7","2","7","3","10","8","1") = "9"
    & skf18("7","2","7","3","10","9","1") = "9"
    & skf18("7","2","7","3","10","10","1") = "9"
    & skf18("7","2","7","4","1","1","1") = "6"
    & skf18("7","2","7","4","1","2","1") = "6"
    & skf18("7","2","7","4","1","3","1") = "6"
    & skf18("7","2","7","4","1","4","1") = "6"
    & skf18("7","2","7","4","1","5","1") = "6"
    & skf18("7","2","7","4","1","6","1") = "6"
    & skf18("7","2","7","4","1","7","1") = "6"
    & skf18("7","2","7","4","1","8","1") = "7"
    & skf18("7","2","7","4","1","9","1") = "8"
    & skf18("7","2","7","4","1","10","1") = "9"
    & skf18("7","2","7","4","2","1","1") = "6"
    & skf18("7","2","7","4","2","2","1") = "6"
    & skf18("7","2","7","4","2","3","1") = "6"
    & skf18("7","2","7","4","2","4","1") = "6"
    & skf18("7","2","7","4","2","5","1") = "6"
    & skf18("7","2","7","4","2","6","1") = "6"
    & skf18("7","2","7","4","2","7","1") = "6"
    & skf18("7","2","7","4","2","8","1") = "7"
    & skf18("7","2","7","4","2","9","1") = "8"
    & skf18("7","2","7","4","2","10","1") = "9"
    & skf18("7","2","7","4","3","1","1") = "6"
    & skf18("7","2","7","4","3","2","1") = "6"
    & skf18("7","2","7","4","3","3","1") = "6"
    & skf18("7","2","7","4","3","4","1") = "6"
    & skf18("7","2","7","4","3","5","1") = "6"
    & skf18("7","2","7","4","3","6","1") = "6"
    & skf18("7","2","7","4","3","7","1") = "6"
    & skf18("7","2","7","4","3","8","1") = "7"
    & skf18("7","2","7","4","3","9","1") = "8"
    & skf18("7","2","7","4","3","10","1") = "9"
    & skf18("7","2","7","4","4","1","1") = "6"
    & skf18("7","2","7","4","4","2","1") = "6"
    & skf18("7","2","7","4","4","3","1") = "6"
    & skf18("7","2","7","4","4","4","1") = "6"
    & skf18("7","2","7","4","4","5","1") = "6"
    & skf18("7","2","7","4","4","6","1") = "6"
    & skf18("7","2","7","4","4","7","1") = "6"
    & skf18("7","2","7","4","4","8","1") = "7"
    & skf18("7","2","7","4","4","9","1") = "8"
    & skf18("7","2","7","4","4","10","1") = "9"
    & skf18("7","2","7","4","5","1","1") = "6"
    & skf18("7","2","7","4","5","2","1") = "6"
    & skf18("7","2","7","4","5","3","1") = "6"
    & skf18("7","2","7","4","5","4","1") = "6"
    & skf18("7","2","7","4","5","5","1") = "6"
    & skf18("7","2","7","4","5","6","1") = "6"
    & skf18("7","2","7","4","5","7","1") = "6"
    & skf18("7","2","7","4","5","8","1") = "7"
    & skf18("7","2","7","4","5","9","1") = "8"
    & skf18("7","2","7","4","5","10","1") = "9"
    & skf18("7","2","7","4","6","1","1") = "6"
    & skf18("7","2","7","4","6","2","1") = "6"
    & skf18("7","2","7","4","6","3","1") = "6"
    & skf18("7","2","7","4","6","4","1") = "6"
    & skf18("7","2","7","4","6","5","1") = "6"
    & skf18("7","2","7","4","6","6","1") = "6"
    & skf18("7","2","7","4","6","7","1") = "6"
    & skf18("7","2","7","4","6","8","1") = "7"
    & skf18("7","2","7","4","6","9","1") = "8"
    & skf18("7","2","7","4","6","10","1") = "9"
    & skf18("7","2","7","4","7","1","1") = "6"
    & skf18("7","2","7","4","7","2","1") = "6"
    & skf18("7","2","7","4","7","3","1") = "6"
    & skf18("7","2","7","4","7","4","1") = "6"
    & skf18("7","2","7","4","7","5","1") = "6"
    & skf18("7","2","7","4","7","6","1") = "6"
    & skf18("7","2","7","4","7","7","1") = "6"
    & skf18("7","2","7","4","7","8","1") = "7"
    & skf18("7","2","7","4","7","9","1") = "8"
    & skf18("7","2","7","4","7","10","1") = "9"
    & skf18("7","2","7","4","8","1","1") = "7"
    & skf18("7","2","7","4","8","2","1") = "7"
    & skf18("7","2","7","4","8","3","1") = "7"
    & skf18("7","2","7","4","8","4","1") = "7"
    & skf18("7","2","7","4","8","5","1") = "7"
    & skf18("7","2","7","4","8","6","1") = "7"
    & skf18("7","2","7","4","8","7","1") = "7"
    & skf18("7","2","7","4","8","8","1") = "7"
    & skf18("7","2","7","4","8","9","1") = "8"
    & skf18("7","2","7","4","8","10","1") = "9"
    & skf18("7","2","7","4","9","1","1") = "8"
    & skf18("7","2","7","4","9","2","1") = "8"
    & skf18("7","2","7","4","9","3","1") = "8"
    & skf18("7","2","7","4","9","4","1") = "8"
    & skf18("7","2","7","4","9","5","1") = "8"
    & skf18("7","2","7","4","9","6","1") = "8"
    & skf18("7","2","7","4","9","7","1") = "8"
    & skf18("7","2","7","4","9","8","1") = "8"
    & skf18("7","2","7","4","9","9","1") = "8"
    & skf18("7","2","7","4","9","10","1") = "9"
    & skf18("7","2","7","4","10","1","1") = "9"
    & skf18("7","2","7","4","10","2","1") = "9"
    & skf18("7","2","7","4","10","3","1") = "9"
    & skf18("7","2","7","4","10","4","1") = "9"
    & skf18("7","2","7","4","10","5","1") = "9"
    & skf18("7","2","7","4","10","6","1") = "9"
    & skf18("7","2","7","4","10","7","1") = "9"
    & skf18("7","2","7","4","10","8","1") = "9"
    & skf18("7","2","7","4","10","9","1") = "9"
    & skf18("7","2","7","4","10","10","1") = "9"
    & skf18("7","2","7","5","1","1","1") = "6"
    & skf18("7","2","7","5","1","2","1") = "6"
    & skf18("7","2","7","5","1","3","1") = "6"
    & skf18("7","2","7","5","1","4","1") = "6"
    & skf18("7","2","7","5","1","5","1") = "6"
    & skf18("7","2","7","5","1","6","1") = "6"
    & skf18("7","2","7","5","1","7","1") = "6"
    & skf18("7","2","7","5","1","8","1") = "7"
    & skf18("7","2","7","5","1","9","1") = "8"
    & skf18("7","2","7","5","1","10","1") = "9"
    & skf18("7","2","7","5","2","1","1") = "6"
    & skf18("7","2","7","5","2","2","1") = "6"
    & skf18("7","2","7","5","2","3","1") = "6"
    & skf18("7","2","7","5","2","4","1") = "6"
    & skf18("7","2","7","5","2","5","1") = "6"
    & skf18("7","2","7","5","2","6","1") = "6"
    & skf18("7","2","7","5","2","7","1") = "6"
    & skf18("7","2","7","5","2","8","1") = "7"
    & skf18("7","2","7","5","2","9","1") = "8"
    & skf18("7","2","7","5","2","10","1") = "9"
    & skf18("7","2","7","5","3","1","1") = "6"
    & skf18("7","2","7","5","3","2","1") = "6"
    & skf18("7","2","7","5","3","3","1") = "6"
    & skf18("7","2","7","5","3","4","1") = "6"
    & skf18("7","2","7","5","3","5","1") = "6"
    & skf18("7","2","7","5","3","6","1") = "6"
    & skf18("7","2","7","5","3","7","1") = "6"
    & skf18("7","2","7","5","3","8","1") = "7"
    & skf18("7","2","7","5","3","9","1") = "8"
    & skf18("7","2","7","5","3","10","1") = "9"
    & skf18("7","2","7","5","4","1","1") = "6"
    & skf18("7","2","7","5","4","2","1") = "6"
    & skf18("7","2","7","5","4","3","1") = "6"
    & skf18("7","2","7","5","4","4","1") = "6"
    & skf18("7","2","7","5","4","5","1") = "6"
    & skf18("7","2","7","5","4","6","1") = "6"
    & skf18("7","2","7","5","4","7","1") = "6"
    & skf18("7","2","7","5","4","8","1") = "7"
    & skf18("7","2","7","5","4","9","1") = "8"
    & skf18("7","2","7","5","4","10","1") = "9"
    & skf18("7","2","7","5","5","1","1") = "6"
    & skf18("7","2","7","5","5","2","1") = "6"
    & skf18("7","2","7","5","5","3","1") = "6"
    & skf18("7","2","7","5","5","4","1") = "6"
    & skf18("7","2","7","5","5","5","1") = "6"
    & skf18("7","2","7","5","5","6","1") = "6"
    & skf18("7","2","7","5","5","7","1") = "6"
    & skf18("7","2","7","5","5","8","1") = "7"
    & skf18("7","2","7","5","5","9","1") = "8"
    & skf18("7","2","7","5","5","10","1") = "9"
    & skf18("7","2","7","5","6","1","1") = "6"
    & skf18("7","2","7","5","6","2","1") = "6"
    & skf18("7","2","7","5","6","3","1") = "6"
    & skf18("7","2","7","5","6","4","1") = "6"
    & skf18("7","2","7","5","6","5","1") = "6"
    & skf18("7","2","7","5","6","6","1") = "6"
    & skf18("7","2","7","5","6","7","1") = "6"
    & skf18("7","2","7","5","6","8","1") = "7"
    & skf18("7","2","7","5","6","9","1") = "8"
    & skf18("7","2","7","5","6","10","1") = "9"
    & skf18("7","2","7","5","7","1","1") = "6"
    & skf18("7","2","7","5","7","2","1") = "6"
    & skf18("7","2","7","5","7","3","1") = "6"
    & skf18("7","2","7","5","7","4","1") = "6"
    & skf18("7","2","7","5","7","5","1") = "6"
    & skf18("7","2","7","5","7","6","1") = "6"
    & skf18("7","2","7","5","7","7","1") = "6"
    & skf18("7","2","7","5","7","8","1") = "7"
    & skf18("7","2","7","5","7","9","1") = "8"
    & skf18("7","2","7","5","7","10","1") = "9"
    & skf18("7","2","7","5","8","1","1") = "7"
    & skf18("7","2","7","5","8","2","1") = "7"
    & skf18("7","2","7","5","8","3","1") = "7"
    & skf18("7","2","7","5","8","4","1") = "7"
    & skf18("7","2","7","5","8","5","1") = "7"
    & skf18("7","2","7","5","8","6","1") = "7"
    & skf18("7","2","7","5","8","7","1") = "7"
    & skf18("7","2","7","5","8","8","1") = "7"
    & skf18("7","2","7","5","8","9","1") = "8"
    & skf18("7","2","7","5","8","10","1") = "9"
    & skf18("7","2","7","5","9","1","1") = "8"
    & skf18("7","2","7","5","9","2","1") = "8"
    & skf18("7","2","7","5","9","3","1") = "8"
    & skf18("7","2","7","5","9","4","1") = "8"
    & skf18("7","2","7","5","9","5","1") = "8"
    & skf18("7","2","7","5","9","6","1") = "8"
    & skf18("7","2","7","5","9","7","1") = "8"
    & skf18("7","2","7","5","9","8","1") = "8"
    & skf18("7","2","7","5","9","9","1") = "8"
    & skf18("7","2","7","5","9","10","1") = "9"
    & skf18("7","2","7","5","10","1","1") = "9"
    & skf18("7","2","7","5","10","2","1") = "9"
    & skf18("7","2","7","5","10","3","1") = "9"
    & skf18("7","2","7","5","10","4","1") = "9"
    & skf18("7","2","7","5","10","5","1") = "9"
    & skf18("7","2","7","5","10","6","1") = "9"
    & skf18("7","2","7","5","10","7","1") = "9"
    & skf18("7","2","7","5","10","8","1") = "9"
    & skf18("7","2","7","5","10","9","1") = "9"
    & skf18("7","2","7","5","10","10","1") = "9"
    & skf18("7","2","7","6","1","1","1") = "6"
    & skf18("7","2","7","6","1","2","1") = "6"
    & skf18("7","2","7","6","1","3","1") = "6"
    & skf18("7","2","7","6","1","4","1") = "6"
    & skf18("7","2","7","6","1","5","1") = "6"
    & skf18("7","2","7","6","1","6","1") = "6"
    & skf18("7","2","7","6","1","7","1") = "6"
    & skf18("7","2","7","6","1","8","1") = "7"
    & skf18("7","2","7","6","1","9","1") = "8"
    & skf18("7","2","7","6","1","10","1") = "9"
    & skf18("7","2","7","6","2","1","1") = "6"
    & skf18("7","2","7","6","2","2","1") = "6"
    & skf18("7","2","7","6","2","3","1") = "6"
    & skf18("7","2","7","6","2","4","1") = "6"
    & skf18("7","2","7","6","2","5","1") = "6"
    & skf18("7","2","7","6","2","6","1") = "6"
    & skf18("7","2","7","6","2","7","1") = "6"
    & skf18("7","2","7","6","2","8","1") = "7"
    & skf18("7","2","7","6","2","9","1") = "8"
    & skf18("7","2","7","6","2","10","1") = "9"
    & skf18("7","2","7","6","3","1","1") = "6"
    & skf18("7","2","7","6","3","2","1") = "6"
    & skf18("7","2","7","6","3","3","1") = "6"
    & skf18("7","2","7","6","3","4","1") = "6"
    & skf18("7","2","7","6","3","5","1") = "6"
    & skf18("7","2","7","6","3","6","1") = "6"
    & skf18("7","2","7","6","3","7","1") = "6"
    & skf18("7","2","7","6","3","8","1") = "7"
    & skf18("7","2","7","6","3","9","1") = "8"
    & skf18("7","2","7","6","3","10","1") = "9"
    & skf18("7","2","7","6","4","1","1") = "6"
    & skf18("7","2","7","6","4","2","1") = "6"
    & skf18("7","2","7","6","4","3","1") = "6"
    & skf18("7","2","7","6","4","4","1") = "6"
    & skf18("7","2","7","6","4","5","1") = "6"
    & skf18("7","2","7","6","4","6","1") = "6"
    & skf18("7","2","7","6","4","7","1") = "6"
    & skf18("7","2","7","6","4","8","1") = "7"
    & skf18("7","2","7","6","4","9","1") = "8"
    & skf18("7","2","7","6","4","10","1") = "9"
    & skf18("7","2","7","6","5","1","1") = "6"
    & skf18("7","2","7","6","5","2","1") = "6"
    & skf18("7","2","7","6","5","3","1") = "6"
    & skf18("7","2","7","6","5","4","1") = "6"
    & skf18("7","2","7","6","5","5","1") = "6"
    & skf18("7","2","7","6","5","6","1") = "6"
    & skf18("7","2","7","6","5","7","1") = "6"
    & skf18("7","2","7","6","5","8","1") = "7"
    & skf18("7","2","7","6","5","9","1") = "8"
    & skf18("7","2","7","6","5","10","1") = "9"
    & skf18("7","2","7","6","6","1","1") = "6"
    & skf18("7","2","7","6","6","2","1") = "6"
    & skf18("7","2","7","6","6","3","1") = "6"
    & skf18("7","2","7","6","6","4","1") = "6"
    & skf18("7","2","7","6","6","5","1") = "6"
    & skf18("7","2","7","6","6","6","1") = "6"
    & skf18("7","2","7","6","6","7","1") = "6"
    & skf18("7","2","7","6","6","8","1") = "7"
    & skf18("7","2","7","6","6","9","1") = "8"
    & skf18("7","2","7","6","6","10","1") = "9"
    & skf18("7","2","7","6","7","1","1") = "6"
    & skf18("7","2","7","6","7","2","1") = "6"
    & skf18("7","2","7","6","7","3","1") = "6"
    & skf18("7","2","7","6","7","4","1") = "6"
    & skf18("7","2","7","6","7","5","1") = "6"
    & skf18("7","2","7","6","7","6","1") = "6"
    & skf18("7","2","7","6","7","7","1") = "6"
    & skf18("7","2","7","6","7","8","1") = "7"
    & skf18("7","2","7","6","7","9","1") = "8"
    & skf18("7","2","7","6","7","10","1") = "9"
    & skf18("7","2","7","6","8","1","1") = "7"
    & skf18("7","2","7","6","8","2","1") = "7"
    & skf18("7","2","7","6","8","3","1") = "7"
    & skf18("7","2","7","6","8","4","1") = "7"
    & skf18("7","2","7","6","8","5","1") = "7"
    & skf18("7","2","7","6","8","6","1") = "7"
    & skf18("7","2","7","6","8","7","1") = "7"
    & skf18("7","2","7","6","8","8","1") = "7"
    & skf18("7","2","7","6","8","9","1") = "8"
    & skf18("7","2","7","6","8","10","1") = "9"
    & skf18("7","2","7","6","9","1","1") = "8"
    & skf18("7","2","7","6","9","2","1") = "8"
    & skf18("7","2","7","6","9","3","1") = "8"
    & skf18("7","2","7","6","9","4","1") = "8"
    & skf18("7","2","7","6","9","5","1") = "8"
    & skf18("7","2","7","6","9","6","1") = "8"
    & skf18("7","2","7","6","9","7","1") = "8"
    & skf18("7","2","7","6","9","8","1") = "8"
    & skf18("7","2","7","6","9","9","1") = "8"
    & skf18("7","2","7","6","9","10","1") = "9"
    & skf18("7","2","7","6","10","1","1") = "9"
    & skf18("7","2","7","6","10","2","1") = "9"
    & skf18("7","2","7","6","10","3","1") = "9"
    & skf18("7","2","7","6","10","4","1") = "9"
    & skf18("7","2","7","6","10","5","1") = "9"
    & skf18("7","2","7","6","10","6","1") = "9"
    & skf18("7","2","7","6","10","7","1") = "9"
    & skf18("7","2","7","6","10","8","1") = "9"
    & skf18("7","2","7","6","10","9","1") = "9"
    & skf18("7","2","7","6","10","10","1") = "9"
    & skf18("7","2","7","7","1","1","1") = "6"
    & skf18("7","2","7","7","1","2","1") = "6"
    & skf18("7","2","7","7","1","3","1") = "6"
    & skf18("7","2","7","7","1","4","1") = "6"
    & skf18("7","2","7","7","1","5","1") = "6"
    & skf18("7","2","7","7","1","6","1") = "6"
    & skf18("7","2","7","7","1","7","1") = "6"
    & skf18("7","2","7","7","1","8","1") = "7"
    & skf18("7","2","7","7","1","9","1") = "8"
    & skf18("7","2","7","7","1","10","1") = "9"
    & skf18("7","2","7","7","2","1","1") = "6"
    & skf18("7","2","7","7","2","2","1") = "6"
    & skf18("7","2","7","7","2","3","1") = "6"
    & skf18("7","2","7","7","2","4","1") = "6"
    & skf18("7","2","7","7","2","5","1") = "6"
    & skf18("7","2","7","7","2","6","1") = "6"
    & skf18("7","2","7","7","2","7","1") = "6"
    & skf18("7","2","7","7","2","8","1") = "7"
    & skf18("7","2","7","7","2","9","1") = "8"
    & skf18("7","2","7","7","2","10","1") = "9"
    & skf18("7","2","7","7","3","1","1") = "6"
    & skf18("7","2","7","7","3","2","1") = "6"
    & skf18("7","2","7","7","3","3","1") = "6"
    & skf18("7","2","7","7","3","4","1") = "6"
    & skf18("7","2","7","7","3","5","1") = "6"
    & skf18("7","2","7","7","3","6","1") = "6"
    & skf18("7","2","7","7","3","7","1") = "6"
    & skf18("7","2","7","7","3","8","1") = "7"
    & skf18("7","2","7","7","3","9","1") = "8"
    & skf18("7","2","7","7","3","10","1") = "9"
    & skf18("7","2","7","7","4","1","1") = "6"
    & skf18("7","2","7","7","4","2","1") = "6"
    & skf18("7","2","7","7","4","3","1") = "6"
    & skf18("7","2","7","7","4","4","1") = "6"
    & skf18("7","2","7","7","4","5","1") = "6"
    & skf18("7","2","7","7","4","6","1") = "6"
    & skf18("7","2","7","7","4","7","1") = "6"
    & skf18("7","2","7","7","4","8","1") = "7"
    & skf18("7","2","7","7","4","9","1") = "8"
    & skf18("7","2","7","7","4","10","1") = "9"
    & skf18("7","2","7","7","5","1","1") = "6"
    & skf18("7","2","7","7","5","2","1") = "6"
    & skf18("7","2","7","7","5","3","1") = "6"
    & skf18("7","2","7","7","5","4","1") = "6"
    & skf18("7","2","7","7","5","5","1") = "6"
    & skf18("7","2","7","7","5","6","1") = "6"
    & skf18("7","2","7","7","5","7","1") = "6"
    & skf18("7","2","7","7","5","8","1") = "7"
    & skf18("7","2","7","7","5","9","1") = "8"
    & skf18("7","2","7","7","5","10","1") = "9"
    & skf18("7","2","7","7","6","1","1") = "6"
    & skf18("7","2","7","7","6","2","1") = "6"
    & skf18("7","2","7","7","6","3","1") = "6"
    & skf18("7","2","7","7","6","4","1") = "6"
    & skf18("7","2","7","7","6","5","1") = "6"
    & skf18("7","2","7","7","6","6","1") = "6"
    & skf18("7","2","7","7","6","7","1") = "6"
    & skf18("7","2","7","7","6","8","1") = "7"
    & skf18("7","2","7","7","6","9","1") = "8"
    & skf18("7","2","7","7","6","10","1") = "9"
    & skf18("7","2","7","7","7","1","1") = "6"
    & skf18("7","2","7","7","7","2","1") = "6"
    & skf18("7","2","7","7","7","3","1") = "6"
    & skf18("7","2","7","7","7","4","1") = "6"
    & skf18("7","2","7","7","7","5","1") = "6"
    & skf18("7","2","7","7","7","6","1") = "6"
    & skf18("7","2","7","7","7","7","1") = "6"
    & skf18("7","2","7","7","7","8","1") = "7"
    & skf18("7","2","7","7","7","9","1") = "8"
    & skf18("7","2","7","7","7","10","1") = "9"
    & skf18("7","2","7","7","8","1","1") = "7"
    & skf18("7","2","7","7","8","2","1") = "7"
    & skf18("7","2","7","7","8","3","1") = "7"
    & skf18("7","2","7","7","8","4","1") = "7"
    & skf18("7","2","7","7","8","5","1") = "7"
    & skf18("7","2","7","7","8","6","1") = "7"
    & skf18("7","2","7","7","8","7","1") = "7"
    & skf18("7","2","7","7","8","8","1") = "7"
    & skf18("7","2","7","7","8","9","1") = "8"
    & skf18("7","2","7","7","8","10","1") = "9"
    & skf18("7","2","7","7","9","1","1") = "8"
    & skf18("7","2","7","7","9","2","1") = "8"
    & skf18("7","2","7","7","9","3","1") = "8"
    & skf18("7","2","7","7","9","4","1") = "8"
    & skf18("7","2","7","7","9","5","1") = "8"
    & skf18("7","2","7","7","9","6","1") = "8"
    & skf18("7","2","7","7","9","7","1") = "8"
    & skf18("7","2","7","7","9","8","1") = "8"
    & skf18("7","2","7","7","9","9","1") = "8"
    & skf18("7","2","7","7","9","10","1") = "9"
    & skf18("7","2","7","7","10","1","1") = "9"
    & skf18("7","2","7","7","10","2","1") = "9"
    & skf18("7","2","7","7","10","3","1") = "9"
    & skf18("7","2","7","7","10","4","1") = "9"
    & skf18("7","2","7","7","10","5","1") = "9"
    & skf18("7","2","7","7","10","6","1") = "9"
    & skf18("7","2","7","7","10","7","1") = "9"
    & skf18("7","2","7","7","10","8","1") = "9"
    & skf18("7","2","7","7","10","9","1") = "9"
    & skf18("7","2","7","7","10","10","1") = "9"
    & skf18("7","2","7","8","1","1","1") = "7"
    & skf18("7","2","7","8","1","2","1") = "7"
    & skf18("7","2","7","8","1","3","1") = "7"
    & skf18("7","2","7","8","1","4","1") = "7"
    & skf18("7","2","7","8","1","5","1") = "7"
    & skf18("7","2","7","8","1","6","1") = "7"
    & skf18("7","2","7","8","1","7","1") = "7"
    & skf18("7","2","7","8","1","8","1") = "7"
    & skf18("7","2","7","8","1","9","1") = "8"
    & skf18("7","2","7","8","1","10","1") = "9"
    & skf18("7","2","7","8","2","1","1") = "7"
    & skf18("7","2","7","8","2","2","1") = "7"
    & skf18("7","2","7","8","2","3","1") = "7"
    & skf18("7","2","7","8","2","4","1") = "7"
    & skf18("7","2","7","8","2","5","1") = "7"
    & skf18("7","2","7","8","2","6","1") = "7"
    & skf18("7","2","7","8","2","7","1") = "7"
    & skf18("7","2","7","8","2","8","1") = "7"
    & skf18("7","2","7","8","2","9","1") = "8"
    & skf18("7","2","7","8","2","10","1") = "9"
    & skf18("7","2","7","8","3","1","1") = "7"
    & skf18("7","2","7","8","3","2","1") = "7"
    & skf18("7","2","7","8","3","3","1") = "7"
    & skf18("7","2","7","8","3","4","1") = "7"
    & skf18("7","2","7","8","3","5","1") = "7"
    & skf18("7","2","7","8","3","6","1") = "7"
    & skf18("7","2","7","8","3","7","1") = "7"
    & skf18("7","2","7","8","3","8","1") = "7"
    & skf18("7","2","7","8","3","9","1") = "8"
    & skf18("7","2","7","8","3","10","1") = "9"
    & skf18("7","2","7","8","4","1","1") = "7"
    & skf18("7","2","7","8","4","2","1") = "7"
    & skf18("7","2","7","8","4","3","1") = "7"
    & skf18("7","2","7","8","4","4","1") = "7"
    & skf18("7","2","7","8","4","5","1") = "7"
    & skf18("7","2","7","8","4","6","1") = "7"
    & skf18("7","2","7","8","4","7","1") = "7"
    & skf18("7","2","7","8","4","8","1") = "7"
    & skf18("7","2","7","8","4","9","1") = "8"
    & skf18("7","2","7","8","4","10","1") = "9"
    & skf18("7","2","7","8","5","1","1") = "7"
    & skf18("7","2","7","8","5","2","1") = "7"
    & skf18("7","2","7","8","5","3","1") = "7"
    & skf18("7","2","7","8","5","4","1") = "7"
    & skf18("7","2","7","8","5","5","1") = "7"
    & skf18("7","2","7","8","5","6","1") = "7"
    & skf18("7","2","7","8","5","7","1") = "7"
    & skf18("7","2","7","8","5","8","1") = "7"
    & skf18("7","2","7","8","5","9","1") = "8"
    & skf18("7","2","7","8","5","10","1") = "9"
    & skf18("7","2","7","8","6","1","1") = "7"
    & skf18("7","2","7","8","6","2","1") = "7"
    & skf18("7","2","7","8","6","3","1") = "7"
    & skf18("7","2","7","8","6","4","1") = "7"
    & skf18("7","2","7","8","6","5","1") = "7"
    & skf18("7","2","7","8","6","6","1") = "7"
    & skf18("7","2","7","8","6","7","1") = "7"
    & skf18("7","2","7","8","6","8","1") = "7"
    & skf18("7","2","7","8","6","9","1") = "8"
    & skf18("7","2","7","8","6","10","1") = "9"
    & skf18("7","2","7","8","7","1","1") = "7"
    & skf18("7","2","7","8","7","2","1") = "7"
    & skf18("7","2","7","8","7","3","1") = "7"
    & skf18("7","2","7","8","7","4","1") = "7"
    & skf18("7","2","7","8","7","5","1") = "7"
    & skf18("7","2","7","8","7","6","1") = "7"
    & skf18("7","2","7","8","7","7","1") = "7"
    & skf18("7","2","7","8","7","8","1") = "7"
    & skf18("7","2","7","8","7","9","1") = "8"
    & skf18("7","2","7","8","7","10","1") = "9"
    & skf18("7","2","7","8","8","1","1") = "7"
    & skf18("7","2","7","8","8","2","1") = "7"
    & skf18("7","2","7","8","8","3","1") = "7"
    & skf18("7","2","7","8","8","4","1") = "7"
    & skf18("7","2","7","8","8","5","1") = "7"
    & skf18("7","2","7","8","8","6","1") = "7"
    & skf18("7","2","7","8","8","7","1") = "7"
    & skf18("7","2","7","8","8","8","1") = "7"
    & skf18("7","2","7","8","8","9","1") = "8"
    & skf18("7","2","7","8","8","10","1") = "9"
    & skf18("7","2","7","8","9","1","1") = "8"
    & skf18("7","2","7","8","9","2","1") = "8"
    & skf18("7","2","7","8","9","3","1") = "8"
    & skf18("7","2","7","8","9","4","1") = "8"
    & skf18("7","2","7","8","9","5","1") = "8"
    & skf18("7","2","7","8","9","6","1") = "8"
    & skf18("7","2","7","8","9","7","1") = "8"
    & skf18("7","2","7","8","9","8","1") = "8"
    & skf18("7","2","7","8","9","9","1") = "8"
    & skf18("7","2","7","8","9","10","1") = "9"
    & skf18("7","2","7","8","10","1","1") = "9"
    & skf18("7","2","7","8","10","2","1") = "9"
    & skf18("7","2","7","8","10","3","1") = "9"
    & skf18("7","2","7","8","10","4","1") = "9"
    & skf18("7","2","7","8","10","5","1") = "9"
    & skf18("7","2","7","8","10","6","1") = "9"
    & skf18("7","2","7","8","10","7","1") = "9"
    & skf18("7","2","7","8","10","8","1") = "9"
    & skf18("7","2","7","8","10","9","1") = "9"
    & skf18("7","2","7","8","10","10","1") = "9"
    & skf18("7","2","7","9","1","1","1") = "8"
    & skf18("7","2","7","9","1","2","1") = "8"
    & skf18("7","2","7","9","1","3","1") = "8"
    & skf18("7","2","7","9","1","4","1") = "8"
    & skf18("7","2","7","9","1","5","1") = "8"
    & skf18("7","2","7","9","1","6","1") = "8"
    & skf18("7","2","7","9","1","7","1") = "8"
    & skf18("7","2","7","9","1","8","1") = "8"
    & skf18("7","2","7","9","1","9","1") = "8"
    & skf18("7","2","7","9","1","10","1") = "9"
    & skf18("7","2","7","9","2","1","1") = "8"
    & skf18("7","2","7","9","2","2","1") = "8"
    & skf18("7","2","7","9","2","3","1") = "8"
    & skf18("7","2","7","9","2","4","1") = "8"
    & skf18("7","2","7","9","2","5","1") = "8"
    & skf18("7","2","7","9","2","6","1") = "8"
    & skf18("7","2","7","9","2","7","1") = "8"
    & skf18("7","2","7","9","2","8","1") = "8"
    & skf18("7","2","7","9","2","9","1") = "8"
    & skf18("7","2","7","9","2","10","1") = "9"
    & skf18("7","2","7","9","3","1","1") = "8"
    & skf18("7","2","7","9","3","2","1") = "8"
    & skf18("7","2","7","9","3","3","1") = "8"
    & skf18("7","2","7","9","3","4","1") = "8"
    & skf18("7","2","7","9","3","5","1") = "8"
    & skf18("7","2","7","9","3","6","1") = "8"
    & skf18("7","2","7","9","3","7","1") = "8"
    & skf18("7","2","7","9","3","8","1") = "8"
    & skf18("7","2","7","9","3","9","1") = "8"
    & skf18("7","2","7","9","3","10","1") = "9"
    & skf18("7","2","7","9","4","1","1") = "8"
    & skf18("7","2","7","9","4","2","1") = "8"
    & skf18("7","2","7","9","4","3","1") = "8"
    & skf18("7","2","7","9","4","4","1") = "8"
    & skf18("7","2","7","9","4","5","1") = "8"
    & skf18("7","2","7","9","4","6","1") = "8"
    & skf18("7","2","7","9","4","7","1") = "8"
    & skf18("7","2","7","9","4","8","1") = "8"
    & skf18("7","2","7","9","4","9","1") = "8"
    & skf18("7","2","7","9","4","10","1") = "9"
    & skf18("7","2","7","9","5","1","1") = "8"
    & skf18("7","2","7","9","5","2","1") = "8"
    & skf18("7","2","7","9","5","3","1") = "8"
    & skf18("7","2","7","9","5","4","1") = "8"
    & skf18("7","2","7","9","5","5","1") = "8"
    & skf18("7","2","7","9","5","6","1") = "8"
    & skf18("7","2","7","9","5","7","1") = "8"
    & skf18("7","2","7","9","5","8","1") = "8"
    & skf18("7","2","7","9","5","9","1") = "8"
    & skf18("7","2","7","9","5","10","1") = "9"
    & skf18("7","2","7","9","6","1","1") = "8"
    & skf18("7","2","7","9","6","2","1") = "8"
    & skf18("7","2","7","9","6","3","1") = "8"
    & skf18("7","2","7","9","6","4","1") = "8"
    & skf18("7","2","7","9","6","5","1") = "8"
    & skf18("7","2","7","9","6","6","1") = "8"
    & skf18("7","2","7","9","6","7","1") = "8"
    & skf18("7","2","7","9","6","8","1") = "8"
    & skf18("7","2","7","9","6","9","1") = "8"
    & skf18("7","2","7","9","6","10","1") = "9"
    & skf18("7","2","7","9","7","1","1") = "8"
    & skf18("7","2","7","9","7","2","1") = "8"
    & skf18("7","2","7","9","7","3","1") = "8"
    & skf18("7","2","7","9","7","4","1") = "8"
    & skf18("7","2","7","9","7","5","1") = "8"
    & skf18("7","2","7","9","7","6","1") = "8"
    & skf18("7","2","7","9","7","7","1") = "8"
    & skf18("7","2","7","9","7","8","1") = "8"
    & skf18("7","2","7","9","7","9","1") = "8"
    & skf18("7","2","7","9","7","10","1") = "9"
    & skf18("7","2","7","9","8","1","1") = "8"
    & skf18("7","2","7","9","8","2","1") = "8"
    & skf18("7","2","7","9","8","3","1") = "8"
    & skf18("7","2","7","9","8","4","1") = "8"
    & skf18("7","2","7","9","8","5","1") = "8"
    & skf18("7","2","7","9","8","6","1") = "8"
    & skf18("7","2","7","9","8","7","1") = "8"
    & skf18("7","2","7","9","8","8","1") = "8"
    & skf18("7","2","7","9","8","9","1") = "8"
    & skf18("7","2","7","9","8","10","1") = "9"
    & skf18("7","2","7","9","9","1","1") = "8"
    & skf18("7","2","7","9","9","2","1") = "8"
    & skf18("7","2","7","9","9","3","1") = "8"
    & skf18("7","2","7","9","9","4","1") = "8"
    & skf18("7","2","7","9","9","5","1") = "8"
    & skf18("7","2","7","9","9","6","1") = "8"
    & skf18("7","2","7","9","9","7","1") = "8"
    & skf18("7","2","7","9","9","8","1") = "8"
    & skf18("7","2","7","9","9","9","1") = "8"
    & skf18("7","2","7","9","9","10","1") = "9"
    & skf18("7","2","7","9","10","1","1") = "9"
    & skf18("7","2","7","9","10","2","1") = "9"
    & skf18("7","2","7","9","10","3","1") = "9"
    & skf18("7","2","7","9","10","4","1") = "9"
    & skf18("7","2","7","9","10","5","1") = "9"
    & skf18("7","2","7","9","10","6","1") = "9"
    & skf18("7","2","7","9","10","7","1") = "9"
    & skf18("7","2","7","9","10","8","1") = "9"
    & skf18("7","2","7","9","10","9","1") = "9"
    & skf18("7","2","7","9","10","10","1") = "9"
    & skf18("7","2","7","10","1","1","1") = "9"
    & skf18("7","2","7","10","1","2","1") = "9"
    & skf18("7","2","7","10","1","3","1") = "9"
    & skf18("7","2","7","10","1","4","1") = "9"
    & skf18("7","2","7","10","1","5","1") = "9"
    & skf18("7","2","7","10","1","6","1") = "9"
    & skf18("7","2","7","10","1","7","1") = "9"
    & skf18("7","2","7","10","1","8","1") = "9"
    & skf18("7","2","7","10","1","9","1") = "9"
    & skf18("7","2","7","10","1","10","1") = "9"
    & skf18("7","2","7","10","2","1","1") = "9"
    & skf18("7","2","7","10","2","2","1") = "9"
    & skf18("7","2","7","10","2","3","1") = "9"
    & skf18("7","2","7","10","2","4","1") = "9"
    & skf18("7","2","7","10","2","5","1") = "9"
    & skf18("7","2","7","10","2","6","1") = "9"
    & skf18("7","2","7","10","2","7","1") = "9"
    & skf18("7","2","7","10","2","8","1") = "9"
    & skf18("7","2","7","10","2","9","1") = "9"
    & skf18("7","2","7","10","2","10","1") = "9"
    & skf18("7","2","7","10","3","1","1") = "9"
    & skf18("7","2","7","10","3","2","1") = "9"
    & skf18("7","2","7","10","3","3","1") = "9"
    & skf18("7","2","7","10","3","4","1") = "9"
    & skf18("7","2","7","10","3","5","1") = "9"
    & skf18("7","2","7","10","3","6","1") = "9"
    & skf18("7","2","7","10","3","7","1") = "9"
    & skf18("7","2","7","10","3","8","1") = "9"
    & skf18("7","2","7","10","3","9","1") = "9"
    & skf18("7","2","7","10","3","10","1") = "9"
    & skf18("7","2","7","10","4","1","1") = "9"
    & skf18("7","2","7","10","4","2","1") = "9"
    & skf18("7","2","7","10","4","3","1") = "9"
    & skf18("7","2","7","10","4","4","1") = "9"
    & skf18("7","2","7","10","4","5","1") = "9"
    & skf18("7","2","7","10","4","6","1") = "9"
    & skf18("7","2","7","10","4","7","1") = "9"
    & skf18("7","2","7","10","4","8","1") = "9"
    & skf18("7","2","7","10","4","9","1") = "9"
    & skf18("7","2","7","10","4","10","1") = "9"
    & skf18("7","2","7","10","5","1","1") = "9"
    & skf18("7","2","7","10","5","2","1") = "9"
    & skf18("7","2","7","10","5","3","1") = "9"
    & skf18("7","2","7","10","5","4","1") = "9"
    & skf18("7","2","7","10","5","5","1") = "9"
    & skf18("7","2","7","10","5","6","1") = "9"
    & skf18("7","2","7","10","5","7","1") = "9"
    & skf18("7","2","7","10","5","8","1") = "9"
    & skf18("7","2","7","10","5","9","1") = "9"
    & skf18("7","2","7","10","5","10","1") = "9"
    & skf18("7","2","7","10","6","1","1") = "9"
    & skf18("7","2","7","10","6","2","1") = "9"
    & skf18("7","2","7","10","6","3","1") = "9"
    & skf18("7","2","7","10","6","4","1") = "9"
    & skf18("7","2","7","10","6","5","1") = "9"
    & skf18("7","2","7","10","6","6","1") = "9"
    & skf18("7","2","7","10","6","7","1") = "9"
    & skf18("7","2","7","10","6","8","1") = "9"
    & skf18("7","2","7","10","6","9","1") = "9"
    & skf18("7","2","7","10","6","10","1") = "9"
    & skf18("7","2","7","10","7","1","1") = "9"
    & skf18("7","2","7","10","7","2","1") = "9"
    & skf18("7","2","7","10","7","3","1") = "9"
    & skf18("7","2","7","10","7","4","1") = "9"
    & skf18("7","2","7","10","7","5","1") = "9"
    & skf18("7","2","7","10","7","6","1") = "9"
    & skf18("7","2","7","10","7","7","1") = "9"
    & skf18("7","2","7","10","7","8","1") = "9"
    & skf18("7","2","7","10","7","9","1") = "9"
    & skf18("7","2","7","10","7","10","1") = "9"
    & skf18("7","2","7","10","8","1","1") = "9"
    & skf18("7","2","7","10","8","2","1") = "9"
    & skf18("7","2","7","10","8","3","1") = "9"
    & skf18("7","2","7","10","8","4","1") = "9"
    & skf18("7","2","7","10","8","5","1") = "9"
    & skf18("7","2","7","10","8","6","1") = "9"
    & skf18("7","2","7","10","8","7","1") = "9"
    & skf18("7","2","7","10","8","8","1") = "9"
    & skf18("7","2","7","10","8","9","1") = "9"
    & skf18("7","2","7","10","8","10","1") = "9"
    & skf18("7","2","7","10","9","1","1") = "9"
    & skf18("7","2","7","10","9","2","1") = "9"
    & skf18("7","2","7","10","9","3","1") = "9"
    & skf18("7","2","7","10","9","4","1") = "9"
    & skf18("7","2","7","10","9","5","1") = "9"
    & skf18("7","2","7","10","9","6","1") = "9"
    & skf18("7","2","7","10","9","7","1") = "9"
    & skf18("7","2","7","10","9","8","1") = "9"
    & skf18("7","2","7","10","9","9","1") = "9"
    & skf18("7","2","7","10","9","10","1") = "9"
    & skf18("7","2","7","10","10","1","1") = "9"
    & skf18("7","2","7","10","10","2","1") = "9"
    & skf18("7","2","7","10","10","3","1") = "9"
    & skf18("7","2","7","10","10","4","1") = "9"
    & skf18("7","2","7","10","10","5","1") = "9"
    & skf18("7","2","7","10","10","6","1") = "9"
    & skf18("7","2","7","10","10","7","1") = "9"
    & skf18("7","2","7","10","10","8","1") = "9"
    & skf18("7","2","7","10","10","9","1") = "9"
    & skf18("7","2","7","10","10","10","1") = "9"
    & skf18("7","2","8","1","1","1","1") = "7"
    & skf18("7","2","8","1","1","2","1") = "7"
    & skf18("7","2","8","1","1","3","1") = "7"
    & skf18("7","2","8","1","1","4","1") = "7"
    & skf18("7","2","8","1","1","5","1") = "7"
    & skf18("7","2","8","1","1","6","1") = "7"
    & skf18("7","2","8","1","1","7","1") = "7"
    & skf18("7","2","8","1","1","8","1") = "7"
    & skf18("7","2","8","1","1","9","1") = "8"
    & skf18("7","2","8","1","1","10","1") = "9"
    & skf18("7","2","8","1","2","1","1") = "7"
    & skf18("7","2","8","1","2","2","1") = "7"
    & skf18("7","2","8","1","2","3","1") = "7"
    & skf18("7","2","8","1","2","4","1") = "7"
    & skf18("7","2","8","1","2","5","1") = "7"
    & skf18("7","2","8","1","2","6","1") = "7"
    & skf18("7","2","8","1","2","7","1") = "7"
    & skf18("7","2","8","1","2","8","1") = "7"
    & skf18("7","2","8","1","2","9","1") = "8"
    & skf18("7","2","8","1","2","10","1") = "9"
    & skf18("7","2","8","1","3","1","1") = "7"
    & skf18("7","2","8","1","3","2","1") = "7"
    & skf18("7","2","8","1","3","3","1") = "7"
    & skf18("7","2","8","1","3","4","1") = "7"
    & skf18("7","2","8","1","3","5","1") = "7"
    & skf18("7","2","8","1","3","6","1") = "7"
    & skf18("7","2","8","1","3","7","1") = "7"
    & skf18("7","2","8","1","3","8","1") = "7"
    & skf18("7","2","8","1","3","9","1") = "8"
    & skf18("7","2","8","1","3","10","1") = "9"
    & skf18("7","2","8","1","4","1","1") = "7"
    & skf18("7","2","8","1","4","2","1") = "7"
    & skf18("7","2","8","1","4","3","1") = "7"
    & skf18("7","2","8","1","4","4","1") = "7"
    & skf18("7","2","8","1","4","5","1") = "7"
    & skf18("7","2","8","1","4","6","1") = "7"
    & skf18("7","2","8","1","4","7","1") = "7"
    & skf18("7","2","8","1","4","8","1") = "7"
    & skf18("7","2","8","1","4","9","1") = "8"
    & skf18("7","2","8","1","4","10","1") = "9"
    & skf18("7","2","8","1","5","1","1") = "7"
    & skf18("7","2","8","1","5","2","1") = "7"
    & skf18("7","2","8","1","5","3","1") = "7"
    & skf18("7","2","8","1","5","4","1") = "7"
    & skf18("7","2","8","1","5","5","1") = "7"
    & skf18("7","2","8","1","5","6","1") = "7"
    & skf18("7","2","8","1","5","7","1") = "7"
    & skf18("7","2","8","1","5","8","1") = "7"
    & skf18("7","2","8","1","5","9","1") = "8"
    & skf18("7","2","8","1","5","10","1") = "9"
    & skf18("7","2","8","1","6","1","1") = "7"
    & skf18("7","2","8","1","6","2","1") = "7"
    & skf18("7","2","8","1","6","3","1") = "7"
    & skf18("7","2","8","1","6","4","1") = "7"
    & skf18("7","2","8","1","6","5","1") = "7"
    & skf18("7","2","8","1","6","6","1") = "7"
    & skf18("7","2","8","1","6","7","1") = "7"
    & skf18("7","2","8","1","6","8","1") = "7"
    & skf18("7","2","8","1","6","9","1") = "8"
    & skf18("7","2","8","1","6","10","1") = "9"
    & skf18("7","2","8","1","7","1","1") = "7"
    & skf18("7","2","8","1","7","2","1") = "7"
    & skf18("7","2","8","1","7","3","1") = "7"
    & skf18("7","2","8","1","7","4","1") = "7"
    & skf18("7","2","8","1","7","5","1") = "7"
    & skf18("7","2","8","1","7","6","1") = "7"
    & skf18("7","2","8","1","7","7","1") = "7"
    & skf18("7","2","8","1","7","8","1") = "7"
    & skf18("7","2","8","1","7","9","1") = "8"
    & skf18("7","2","8","1","7","10","1") = "9"
    & skf18("7","2","8","1","8","1","1") = "7"
    & skf18("7","2","8","1","8","2","1") = "7"
    & skf18("7","2","8","1","8","3","1") = "7"
    & skf18("7","2","8","1","8","4","1") = "7"
    & skf18("7","2","8","1","8","5","1") = "7"
    & skf18("7","2","8","1","8","6","1") = "7"
    & skf18("7","2","8","1","8","7","1") = "7"
    & skf18("7","2","8","1","8","8","1") = "7"
    & skf18("7","2","8","1","8","9","1") = "8"
    & skf18("7","2","8","1","8","10","1") = "9"
    & skf18("7","2","8","1","9","1","1") = "8"
    & skf18("7","2","8","1","9","2","1") = "8"
    & skf18("7","2","8","1","9","3","1") = "8"
    & skf18("7","2","8","1","9","4","1") = "8"
    & skf18("7","2","8","1","9","5","1") = "8"
    & skf18("7","2","8","1","9","6","1") = "8"
    & skf18("7","2","8","1","9","7","1") = "8"
    & skf18("7","2","8","1","9","8","1") = "8"
    & skf18("7","2","8","1","9","9","1") = "8"
    & skf18("7","2","8","1","9","10","1") = "9"
    & skf18("7","2","8","1","10","1","1") = "9"
    & skf18("7","2","8","1","10","2","1") = "9"
    & skf18("7","2","8","1","10","3","1") = "9"
    & skf18("7","2","8","1","10","4","1") = "9"
    & skf18("7","2","8","1","10","5","1") = "9"
    & skf18("7","2","8","1","10","6","1") = "9"
    & skf18("7","2","8","1","10","7","1") = "9"
    & skf18("7","2","8","1","10","8","1") = "9"
    & skf18("7","2","8","1","10","9","1") = "9"
    & skf18("7","2","8","1","10","10","1") = "9"
    & skf18("7","2","8","2","1","1","1") = "7"
    & skf18("7","2","8","2","1","2","1") = "7"
    & skf18("7","2","8","2","1","3","1") = "7"
    & skf18("7","2","8","2","1","4","1") = "7"
    & skf18("7","2","8","2","1","5","1") = "7"
    & skf18("7","2","8","2","1","6","1") = "7"
    & skf18("7","2","8","2","1","7","1") = "7"
    & skf18("7","2","8","2","1","8","1") = "7"
    & skf18("7","2","8","2","1","9","1") = "8"
    & skf18("7","2","8","2","1","10","1") = "9"
    & skf18("7","2","8","2","2","1","1") = "7"
    & skf18("7","2","8","2","2","2","1") = "7"
    & skf18("7","2","8","2","2","3","1") = "7"
    & skf18("7","2","8","2","2","4","1") = "7"
    & skf18("7","2","8","2","2","5","1") = "7"
    & skf18("7","2","8","2","2","6","1") = "7"
    & skf18("7","2","8","2","2","7","1") = "7"
    & skf18("7","2","8","2","2","8","1") = "7"
    & skf18("7","2","8","2","2","9","1") = "8"
    & skf18("7","2","8","2","2","10","1") = "9"
    & skf18("7","2","8","2","3","1","1") = "7"
    & skf18("7","2","8","2","3","2","1") = "7"
    & skf18("7","2","8","2","3","3","1") = "7"
    & skf18("7","2","8","2","3","4","1") = "7"
    & skf18("7","2","8","2","3","5","1") = "7"
    & skf18("7","2","8","2","3","6","1") = "7"
    & skf18("7","2","8","2","3","7","1") = "7"
    & skf18("7","2","8","2","3","8","1") = "7"
    & skf18("7","2","8","2","3","9","1") = "8"
    & skf18("7","2","8","2","3","10","1") = "9"
    & skf18("7","2","8","2","4","1","1") = "7"
    & skf18("7","2","8","2","4","2","1") = "7"
    & skf18("7","2","8","2","4","3","1") = "7"
    & skf18("7","2","8","2","4","4","1") = "7"
    & skf18("7","2","8","2","4","5","1") = "7"
    & skf18("7","2","8","2","4","6","1") = "7"
    & skf18("7","2","8","2","4","7","1") = "7"
    & skf18("7","2","8","2","4","8","1") = "7"
    & skf18("7","2","8","2","4","9","1") = "8"
    & skf18("7","2","8","2","4","10","1") = "9"
    & skf18("7","2","8","2","5","1","1") = "7"
    & skf18("7","2","8","2","5","2","1") = "7"
    & skf18("7","2","8","2","5","3","1") = "7"
    & skf18("7","2","8","2","5","4","1") = "7"
    & skf18("7","2","8","2","5","5","1") = "7"
    & skf18("7","2","8","2","5","6","1") = "7"
    & skf18("7","2","8","2","5","7","1") = "7"
    & skf18("7","2","8","2","5","8","1") = "7"
    & skf18("7","2","8","2","5","9","1") = "8"
    & skf18("7","2","8","2","5","10","1") = "9"
    & skf18("7","2","8","2","6","1","1") = "7"
    & skf18("7","2","8","2","6","2","1") = "7"
    & skf18("7","2","8","2","6","3","1") = "7"
    & skf18("7","2","8","2","6","4","1") = "7"
    & skf18("7","2","8","2","6","5","1") = "7"
    & skf18("7","2","8","2","6","6","1") = "7"
    & skf18("7","2","8","2","6","7","1") = "7"
    & skf18("7","2","8","2","6","8","1") = "7"
    & skf18("7","2","8","2","6","9","1") = "8"
    & skf18("7","2","8","2","6","10","1") = "9"
    & skf18("7","2","8","2","7","1","1") = "7"
    & skf18("7","2","8","2","7","2","1") = "7"
    & skf18("7","2","8","2","7","3","1") = "7"
    & skf18("7","2","8","2","7","4","1") = "7"
    & skf18("7","2","8","2","7","5","1") = "7"
    & skf18("7","2","8","2","7","6","1") = "7"
    & skf18("7","2","8","2","7","7","1") = "7"
    & skf18("7","2","8","2","7","8","1") = "7"
    & skf18("7","2","8","2","7","9","1") = "8"
    & skf18("7","2","8","2","7","10","1") = "9"
    & skf18("7","2","8","2","8","1","1") = "7"
    & skf18("7","2","8","2","8","2","1") = "7"
    & skf18("7","2","8","2","8","3","1") = "7"
    & skf18("7","2","8","2","8","4","1") = "7"
    & skf18("7","2","8","2","8","5","1") = "7"
    & skf18("7","2","8","2","8","6","1") = "7"
    & skf18("7","2","8","2","8","7","1") = "7"
    & skf18("7","2","8","2","8","8","1") = "7"
    & skf18("7","2","8","2","8","9","1") = "8"
    & skf18("7","2","8","2","8","10","1") = "9"
    & skf18("7","2","8","2","9","1","1") = "8"
    & skf18("7","2","8","2","9","2","1") = "8"
    & skf18("7","2","8","2","9","3","1") = "8"
    & skf18("7","2","8","2","9","4","1") = "8"
    & skf18("7","2","8","2","9","5","1") = "8"
    & skf18("7","2","8","2","9","6","1") = "8"
    & skf18("7","2","8","2","9","7","1") = "8"
    & skf18("7","2","8","2","9","8","1") = "8"
    & skf18("7","2","8","2","9","9","1") = "8"
    & skf18("7","2","8","2","9","10","1") = "9"
    & skf18("7","2","8","2","10","1","1") = "9"
    & skf18("7","2","8","2","10","2","1") = "9"
    & skf18("7","2","8","2","10","3","1") = "9"
    & skf18("7","2","8","2","10","4","1") = "9"
    & skf18("7","2","8","2","10","5","1") = "9"
    & skf18("7","2","8","2","10","6","1") = "9"
    & skf18("7","2","8","2","10","7","1") = "9"
    & skf18("7","2","8","2","10","8","1") = "9"
    & skf18("7","2","8","2","10","9","1") = "9"
    & skf18("7","2","8","2","10","10","1") = "9"
    & skf18("7","2","8","3","1","1","1") = "7"
    & skf18("7","2","8","3","1","2","1") = "7"
    & skf18("7","2","8","3","1","3","1") = "7"
    & skf18("7","2","8","3","1","4","1") = "7"
    & skf18("7","2","8","3","1","5","1") = "7"
    & skf18("7","2","8","3","1","6","1") = "7"
    & skf18("7","2","8","3","1","7","1") = "7"
    & skf18("7","2","8","3","1","8","1") = "7"
    & skf18("7","2","8","3","1","9","1") = "8"
    & skf18("7","2","8","3","1","10","1") = "9"
    & skf18("7","2","8","3","2","1","1") = "7"
    & skf18("7","2","8","3","2","2","1") = "7"
    & skf18("7","2","8","3","2","3","1") = "7"
    & skf18("7","2","8","3","2","4","1") = "7"
    & skf18("7","2","8","3","2","5","1") = "7"
    & skf18("7","2","8","3","2","6","1") = "7"
    & skf18("7","2","8","3","2","7","1") = "7"
    & skf18("7","2","8","3","2","8","1") = "7"
    & skf18("7","2","8","3","2","9","1") = "8"
    & skf18("7","2","8","3","2","10","1") = "9"
    & skf18("7","2","8","3","3","1","1") = "7"
    & skf18("7","2","8","3","3","2","1") = "7"
    & skf18("7","2","8","3","3","3","1") = "7"
    & skf18("7","2","8","3","3","4","1") = "7"
    & skf18("7","2","8","3","3","5","1") = "7"
    & skf18("7","2","8","3","3","6","1") = "7"
    & skf18("7","2","8","3","3","7","1") = "7"
    & skf18("7","2","8","3","3","8","1") = "7"
    & skf18("7","2","8","3","3","9","1") = "8"
    & skf18("7","2","8","3","3","10","1") = "9"
    & skf18("7","2","8","3","4","1","1") = "7"
    & skf18("7","2","8","3","4","2","1") = "7"
    & skf18("7","2","8","3","4","3","1") = "7"
    & skf18("7","2","8","3","4","4","1") = "7"
    & skf18("7","2","8","3","4","5","1") = "7"
    & skf18("7","2","8","3","4","6","1") = "7"
    & skf18("7","2","8","3","4","7","1") = "7"
    & skf18("7","2","8","3","4","8","1") = "7"
    & skf18("7","2","8","3","4","9","1") = "8"
    & skf18("7","2","8","3","4","10","1") = "9"
    & skf18("7","2","8","3","5","1","1") = "7"
    & skf18("7","2","8","3","5","2","1") = "7"
    & skf18("7","2","8","3","5","3","1") = "7"
    & skf18("7","2","8","3","5","4","1") = "7"
    & skf18("7","2","8","3","5","5","1") = "7"
    & skf18("7","2","8","3","5","6","1") = "7"
    & skf18("7","2","8","3","5","7","1") = "7"
    & skf18("7","2","8","3","5","8","1") = "7"
    & skf18("7","2","8","3","5","9","1") = "8"
    & skf18("7","2","8","3","5","10","1") = "9"
    & skf18("7","2","8","3","6","1","1") = "7"
    & skf18("7","2","8","3","6","2","1") = "7"
    & skf18("7","2","8","3","6","3","1") = "7"
    & skf18("7","2","8","3","6","4","1") = "7"
    & skf18("7","2","8","3","6","5","1") = "7"
    & skf18("7","2","8","3","6","6","1") = "7"
    & skf18("7","2","8","3","6","7","1") = "7"
    & skf18("7","2","8","3","6","8","1") = "7"
    & skf18("7","2","8","3","6","9","1") = "8"
    & skf18("7","2","8","3","6","10","1") = "9"
    & skf18("7","2","8","3","7","1","1") = "7"
    & skf18("7","2","8","3","7","2","1") = "7"
    & skf18("7","2","8","3","7","3","1") = "7"
    & skf18("7","2","8","3","7","4","1") = "7"
    & skf18("7","2","8","3","7","5","1") = "7"
    & skf18("7","2","8","3","7","6","1") = "7"
    & skf18("7","2","8","3","7","7","1") = "7"
    & skf18("7","2","8","3","7","8","1") = "7"
    & skf18("7","2","8","3","7","9","1") = "8"
    & skf18("7","2","8","3","7","10","1") = "9"
    & skf18("7","2","8","3","8","1","1") = "7"
    & skf18("7","2","8","3","8","2","1") = "7"
    & skf18("7","2","8","3","8","3","1") = "7"
    & skf18("7","2","8","3","8","4","1") = "7"
    & skf18("7","2","8","3","8","5","1") = "7"
    & skf18("7","2","8","3","8","6","1") = "7"
    & skf18("7","2","8","3","8","7","1") = "7"
    & skf18("7","2","8","3","8","8","1") = "7"
    & skf18("7","2","8","3","8","9","1") = "8"
    & skf18("7","2","8","3","8","10","1") = "9"
    & skf18("7","2","8","3","9","1","1") = "8"
    & skf18("7","2","8","3","9","2","1") = "8"
    & skf18("7","2","8","3","9","3","1") = "8"
    & skf18("7","2","8","3","9","4","1") = "8"
    & skf18("7","2","8","3","9","5","1") = "8"
    & skf18("7","2","8","3","9","6","1") = "8"
    & skf18("7","2","8","3","9","7","1") = "8"
    & skf18("7","2","8","3","9","8","1") = "8"
    & skf18("7","2","8","3","9","9","1") = "8"
    & skf18("7","2","8","3","9","10","1") = "9"
    & skf18("7","2","8","3","10","1","1") = "9"
    & skf18("7","2","8","3","10","2","1") = "9"
    & skf18("7","2","8","3","10","3","1") = "9"
    & skf18("7","2","8","3","10","4","1") = "9"
    & skf18("7","2","8","3","10","5","1") = "9"
    & skf18("7","2","8","3","10","6","1") = "9"
    & skf18("7","2","8","3","10","7","1") = "9"
    & skf18("7","2","8","3","10","8","1") = "9"
    & skf18("7","2","8","3","10","9","1") = "9"
    & skf18("7","2","8","3","10","10","1") = "9"
    & skf18("7","2","8","4","1","1","1") = "7"
    & skf18("7","2","8","4","1","2","1") = "7"
    & skf18("7","2","8","4","1","3","1") = "7"
    & skf18("7","2","8","4","1","4","1") = "7"
    & skf18("7","2","8","4","1","5","1") = "7"
    & skf18("7","2","8","4","1","6","1") = "7"
    & skf18("7","2","8","4","1","7","1") = "7"
    & skf18("7","2","8","4","1","8","1") = "7"
    & skf18("7","2","8","4","1","9","1") = "8"
    & skf18("7","2","8","4","1","10","1") = "9"
    & skf18("7","2","8","4","2","1","1") = "7"
    & skf18("7","2","8","4","2","2","1") = "7"
    & skf18("7","2","8","4","2","3","1") = "7"
    & skf18("7","2","8","4","2","4","1") = "7"
    & skf18("7","2","8","4","2","5","1") = "7"
    & skf18("7","2","8","4","2","6","1") = "7"
    & skf18("7","2","8","4","2","7","1") = "7"
    & skf18("7","2","8","4","2","8","1") = "7"
    & skf18("7","2","8","4","2","9","1") = "8"
    & skf18("7","2","8","4","2","10","1") = "9"
    & skf18("7","2","8","4","3","1","1") = "7"
    & skf18("7","2","8","4","3","2","1") = "7"
    & skf18("7","2","8","4","3","3","1") = "7"
    & skf18("7","2","8","4","3","4","1") = "7"
    & skf18("7","2","8","4","3","5","1") = "7"
    & skf18("7","2","8","4","3","6","1") = "7"
    & skf18("7","2","8","4","3","7","1") = "7"
    & skf18("7","2","8","4","3","8","1") = "7"
    & skf18("7","2","8","4","3","9","1") = "8"
    & skf18("7","2","8","4","3","10","1") = "9"
    & skf18("7","2","8","4","4","1","1") = "7"
    & skf18("7","2","8","4","4","2","1") = "7"
    & skf18("7","2","8","4","4","3","1") = "7"
    & skf18("7","2","8","4","4","4","1") = "7"
    & skf18("7","2","8","4","4","5","1") = "7"
    & skf18("7","2","8","4","4","6","1") = "7"
    & skf18("7","2","8","4","4","7","1") = "7"
    & skf18("7","2","8","4","4","8","1") = "7"
    & skf18("7","2","8","4","4","9","1") = "8"
    & skf18("7","2","8","4","4","10","1") = "9"
    & skf18("7","2","8","4","5","1","1") = "7"
    & skf18("7","2","8","4","5","2","1") = "7"
    & skf18("7","2","8","4","5","3","1") = "7"
    & skf18("7","2","8","4","5","4","1") = "7"
    & skf18("7","2","8","4","5","5","1") = "7"
    & skf18("7","2","8","4","5","6","1") = "7"
    & skf18("7","2","8","4","5","7","1") = "7"
    & skf18("7","2","8","4","5","8","1") = "7"
    & skf18("7","2","8","4","5","9","1") = "8"
    & skf18("7","2","8","4","5","10","1") = "9"
    & skf18("7","2","8","4","6","1","1") = "7"
    & skf18("7","2","8","4","6","2","1") = "7"
    & skf18("7","2","8","4","6","3","1") = "7"
    & skf18("7","2","8","4","6","4","1") = "7"
    & skf18("7","2","8","4","6","5","1") = "7"
    & skf18("7","2","8","4","6","6","1") = "7"
    & skf18("7","2","8","4","6","7","1") = "7"
    & skf18("7","2","8","4","6","8","1") = "7"
    & skf18("7","2","8","4","6","9","1") = "8"
    & skf18("7","2","8","4","6","10","1") = "9"
    & skf18("7","2","8","4","7","1","1") = "7"
    & skf18("7","2","8","4","7","2","1") = "7"
    & skf18("7","2","8","4","7","3","1") = "7"
    & skf18("7","2","8","4","7","4","1") = "7"
    & skf18("7","2","8","4","7","5","1") = "7"
    & skf18("7","2","8","4","7","6","1") = "7"
    & skf18("7","2","8","4","7","7","1") = "7"
    & skf18("7","2","8","4","7","8","1") = "7"
    & skf18("7","2","8","4","7","9","1") = "8"
    & skf18("7","2","8","4","7","10","1") = "9"
    & skf18("7","2","8","4","8","1","1") = "7"
    & skf18("7","2","8","4","8","2","1") = "7"
    & skf18("7","2","8","4","8","3","1") = "7"
    & skf18("7","2","8","4","8","4","1") = "7"
    & skf18("7","2","8","4","8","5","1") = "7"
    & skf18("7","2","8","4","8","6","1") = "7"
    & skf18("7","2","8","4","8","7","1") = "7"
    & skf18("7","2","8","4","8","8","1") = "7"
    & skf18("7","2","8","4","8","9","1") = "8"
    & skf18("7","2","8","4","8","10","1") = "9"
    & skf18("7","2","8","4","9","1","1") = "8"
    & skf18("7","2","8","4","9","2","1") = "8"
    & skf18("7","2","8","4","9","3","1") = "8"
    & skf18("7","2","8","4","9","4","1") = "8"
    & skf18("7","2","8","4","9","5","1") = "8"
    & skf18("7","2","8","4","9","6","1") = "8"
    & skf18("7","2","8","4","9","7","1") = "8"
    & skf18("7","2","8","4","9","8","1") = "8"
    & skf18("7","2","8","4","9","9","1") = "8"
    & skf18("7","2","8","4","9","10","1") = "9"
    & skf18("7","2","8","4","10","1","1") = "9"
    & skf18("7","2","8","4","10","2","1") = "9"
    & skf18("7","2","8","4","10","3","1") = "9"
    & skf18("7","2","8","4","10","4","1") = "9"
    & skf18("7","2","8","4","10","5","1") = "9"
    & skf18("7","2","8","4","10","6","1") = "9"
    & skf18("7","2","8","4","10","7","1") = "9"
    & skf18("7","2","8","4","10","8","1") = "9"
    & skf18("7","2","8","4","10","9","1") = "9"
    & skf18("7","2","8","4","10","10","1") = "9"
    & skf18("7","2","8","5","1","1","1") = "7"
    & skf18("7","2","8","5","1","2","1") = "7"
    & skf18("7","2","8","5","1","3","1") = "7"
    & skf18("7","2","8","5","1","4","1") = "7"
    & skf18("7","2","8","5","1","5","1") = "7"
    & skf18("7","2","8","5","1","6","1") = "7"
    & skf18("7","2","8","5","1","7","1") = "7"
    & skf18("7","2","8","5","1","8","1") = "7"
    & skf18("7","2","8","5","1","9","1") = "8"
    & skf18("7","2","8","5","1","10","1") = "9"
    & skf18("7","2","8","5","2","1","1") = "7"
    & skf18("7","2","8","5","2","2","1") = "7"
    & skf18("7","2","8","5","2","3","1") = "7"
    & skf18("7","2","8","5","2","4","1") = "7"
    & skf18("7","2","8","5","2","5","1") = "7"
    & skf18("7","2","8","5","2","6","1") = "7"
    & skf18("7","2","8","5","2","7","1") = "7"
    & skf18("7","2","8","5","2","8","1") = "7"
    & skf18("7","2","8","5","2","9","1") = "8"
    & skf18("7","2","8","5","2","10","1") = "9"
    & skf18("7","2","8","5","3","1","1") = "7"
    & skf18("7","2","8","5","3","2","1") = "7"
    & skf18("7","2","8","5","3","3","1") = "7"
    & skf18("7","2","8","5","3","4","1") = "7"
    & skf18("7","2","8","5","3","5","1") = "7"
    & skf18("7","2","8","5","3","6","1") = "7"
    & skf18("7","2","8","5","3","7","1") = "7"
    & skf18("7","2","8","5","3","8","1") = "7"
    & skf18("7","2","8","5","3","9","1") = "8"
    & skf18("7","2","8","5","3","10","1") = "9"
    & skf18("7","2","8","5","4","1","1") = "7"
    & skf18("7","2","8","5","4","2","1") = "7"
    & skf18("7","2","8","5","4","3","1") = "7"
    & skf18("7","2","8","5","4","4","1") = "7"
    & skf18("7","2","8","5","4","5","1") = "7"
    & skf18("7","2","8","5","4","6","1") = "7"
    & skf18("7","2","8","5","4","7","1") = "7"
    & skf18("7","2","8","5","4","8","1") = "7"
    & skf18("7","2","8","5","4","9","1") = "8"
    & skf18("7","2","8","5","4","10","1") = "9"
    & skf18("7","2","8","5","5","1","1") = "7"
    & skf18("7","2","8","5","5","2","1") = "7"
    & skf18("7","2","8","5","5","3","1") = "7"
    & skf18("7","2","8","5","5","4","1") = "7"
    & skf18("7","2","8","5","5","5","1") = "7"
    & skf18("7","2","8","5","5","6","1") = "7"
    & skf18("7","2","8","5","5","7","1") = "7"
    & skf18("7","2","8","5","5","8","1") = "7"
    & skf18("7","2","8","5","5","9","1") = "8"
    & skf18("7","2","8","5","5","10","1") = "9"
    & skf18("7","2","8","5","6","1","1") = "7"
    & skf18("7","2","8","5","6","2","1") = "7"
    & skf18("7","2","8","5","6","3","1") = "7"
    & skf18("7","2","8","5","6","4","1") = "7"
    & skf18("7","2","8","5","6","5","1") = "7"
    & skf18("7","2","8","5","6","6","1") = "7"
    & skf18("7","2","8","5","6","7","1") = "7"
    & skf18("7","2","8","5","6","8","1") = "7"
    & skf18("7","2","8","5","6","9","1") = "8"
    & skf18("7","2","8","5","6","10","1") = "9"
    & skf18("7","2","8","5","7","1","1") = "7"
    & skf18("7","2","8","5","7","2","1") = "7"
    & skf18("7","2","8","5","7","3","1") = "7"
    & skf18("7","2","8","5","7","4","1") = "7"
    & skf18("7","2","8","5","7","5","1") = "7"
    & skf18("7","2","8","5","7","6","1") = "7"
    & skf18("7","2","8","5","7","7","1") = "7"
    & skf18("7","2","8","5","7","8","1") = "7"
    & skf18("7","2","8","5","7","9","1") = "8"
    & skf18("7","2","8","5","7","10","1") = "9"
    & skf18("7","2","8","5","8","1","1") = "7"
    & skf18("7","2","8","5","8","2","1") = "7"
    & skf18("7","2","8","5","8","3","1") = "7"
    & skf18("7","2","8","5","8","4","1") = "7"
    & skf18("7","2","8","5","8","5","1") = "7"
    & skf18("7","2","8","5","8","6","1") = "7"
    & skf18("7","2","8","5","8","7","1") = "7"
    & skf18("7","2","8","5","8","8","1") = "7"
    & skf18("7","2","8","5","8","9","1") = "8"
    & skf18("7","2","8","5","8","10","1") = "9"
    & skf18("7","2","8","5","9","1","1") = "8"
    & skf18("7","2","8","5","9","2","1") = "8"
    & skf18("7","2","8","5","9","3","1") = "8"
    & skf18("7","2","8","5","9","4","1") = "8"
    & skf18("7","2","8","5","9","5","1") = "8"
    & skf18("7","2","8","5","9","6","1") = "8"
    & skf18("7","2","8","5","9","7","1") = "8"
    & skf18("7","2","8","5","9","8","1") = "8"
    & skf18("7","2","8","5","9","9","1") = "8"
    & skf18("7","2","8","5","9","10","1") = "9"
    & skf18("7","2","8","5","10","1","1") = "9"
    & skf18("7","2","8","5","10","2","1") = "9"
    & skf18("7","2","8","5","10","3","1") = "9"
    & skf18("7","2","8","5","10","4","1") = "9"
    & skf18("7","2","8","5","10","5","1") = "9"
    & skf18("7","2","8","5","10","6","1") = "9"
    & skf18("7","2","8","5","10","7","1") = "9"
    & skf18("7","2","8","5","10","8","1") = "9"
    & skf18("7","2","8","5","10","9","1") = "9"
    & skf18("7","2","8","5","10","10","1") = "9"
    & skf18("7","2","8","6","1","1","1") = "7"
    & skf18("7","2","8","6","1","2","1") = "7"
    & skf18("7","2","8","6","1","3","1") = "7"
    & skf18("7","2","8","6","1","4","1") = "7"
    & skf18("7","2","8","6","1","5","1") = "7"
    & skf18("7","2","8","6","1","6","1") = "7"
    & skf18("7","2","8","6","1","7","1") = "7"
    & skf18("7","2","8","6","1","8","1") = "7"
    & skf18("7","2","8","6","1","9","1") = "8"
    & skf18("7","2","8","6","1","10","1") = "9"
    & skf18("7","2","8","6","2","1","1") = "7"
    & skf18("7","2","8","6","2","2","1") = "7"
    & skf18("7","2","8","6","2","3","1") = "7"
    & skf18("7","2","8","6","2","4","1") = "7"
    & skf18("7","2","8","6","2","5","1") = "7"
    & skf18("7","2","8","6","2","6","1") = "7"
    & skf18("7","2","8","6","2","7","1") = "7"
    & skf18("7","2","8","6","2","8","1") = "7"
    & skf18("7","2","8","6","2","9","1") = "8"
    & skf18("7","2","8","6","2","10","1") = "9"
    & skf18("7","2","8","6","3","1","1") = "7"
    & skf18("7","2","8","6","3","2","1") = "7"
    & skf18("7","2","8","6","3","3","1") = "7"
    & skf18("7","2","8","6","3","4","1") = "7"
    & skf18("7","2","8","6","3","5","1") = "7"
    & skf18("7","2","8","6","3","6","1") = "7"
    & skf18("7","2","8","6","3","7","1") = "7"
    & skf18("7","2","8","6","3","8","1") = "7"
    & skf18("7","2","8","6","3","9","1") = "8"
    & skf18("7","2","8","6","3","10","1") = "9"
    & skf18("7","2","8","6","4","1","1") = "7"
    & skf18("7","2","8","6","4","2","1") = "7"
    & skf18("7","2","8","6","4","3","1") = "7"
    & skf18("7","2","8","6","4","4","1") = "7"
    & skf18("7","2","8","6","4","5","1") = "7"
    & skf18("7","2","8","6","4","6","1") = "7"
    & skf18("7","2","8","6","4","7","1") = "7"
    & skf18("7","2","8","6","4","8","1") = "7"
    & skf18("7","2","8","6","4","9","1") = "8"
    & skf18("7","2","8","6","4","10","1") = "9"
    & skf18("7","2","8","6","5","1","1") = "7"
    & skf18("7","2","8","6","5","2","1") = "7"
    & skf18("7","2","8","6","5","3","1") = "7"
    & skf18("7","2","8","6","5","4","1") = "7"
    & skf18("7","2","8","6","5","5","1") = "7"
    & skf18("7","2","8","6","5","6","1") = "7"
    & skf18("7","2","8","6","5","7","1") = "7"
    & skf18("7","2","8","6","5","8","1") = "7"
    & skf18("7","2","8","6","5","9","1") = "8"
    & skf18("7","2","8","6","5","10","1") = "9"
    & skf18("7","2","8","6","6","1","1") = "7"
    & skf18("7","2","8","6","6","2","1") = "7"
    & skf18("7","2","8","6","6","3","1") = "7"
    & skf18("7","2","8","6","6","4","1") = "7"
    & skf18("7","2","8","6","6","5","1") = "7"
    & skf18("7","2","8","6","6","6","1") = "7"
    & skf18("7","2","8","6","6","7","1") = "7"
    & skf18("7","2","8","6","6","8","1") = "7"
    & skf18("7","2","8","6","6","9","1") = "8"
    & skf18("7","2","8","6","6","10","1") = "9"
    & skf18("7","2","8","6","7","1","1") = "7"
    & skf18("7","2","8","6","7","2","1") = "7"
    & skf18("7","2","8","6","7","3","1") = "7"
    & skf18("7","2","8","6","7","4","1") = "7"
    & skf18("7","2","8","6","7","5","1") = "7"
    & skf18("7","2","8","6","7","6","1") = "7"
    & skf18("7","2","8","6","7","7","1") = "7"
    & skf18("7","2","8","6","7","8","1") = "7"
    & skf18("7","2","8","6","7","9","1") = "8"
    & skf18("7","2","8","6","7","10","1") = "9"
    & skf18("7","2","8","6","8","1","1") = "7"
    & skf18("7","2","8","6","8","2","1") = "7"
    & skf18("7","2","8","6","8","3","1") = "7"
    & skf18("7","2","8","6","8","4","1") = "7"
    & skf18("7","2","8","6","8","5","1") = "7"
    & skf18("7","2","8","6","8","6","1") = "7"
    & skf18("7","2","8","6","8","7","1") = "7"
    & skf18("7","2","8","6","8","8","1") = "7"
    & skf18("7","2","8","6","8","9","1") = "8"
    & skf18("7","2","8","6","8","10","1") = "9"
    & skf18("7","2","8","6","9","1","1") = "8"
    & skf18("7","2","8","6","9","2","1") = "8"
    & skf18("7","2","8","6","9","3","1") = "8"
    & skf18("7","2","8","6","9","4","1") = "8"
    & skf18("7","2","8","6","9","5","1") = "8"
    & skf18("7","2","8","6","9","6","1") = "8"
    & skf18("7","2","8","6","9","7","1") = "8"
    & skf18("7","2","8","6","9","8","1") = "8"
    & skf18("7","2","8","6","9","9","1") = "8"
    & skf18("7","2","8","6","9","10","1") = "9"
    & skf18("7","2","8","6","10","1","1") = "9"
    & skf18("7","2","8","6","10","2","1") = "9"
    & skf18("7","2","8","6","10","3","1") = "9"
    & skf18("7","2","8","6","10","4","1") = "9"
    & skf18("7","2","8","6","10","5","1") = "9"
    & skf18("7","2","8","6","10","6","1") = "9"
    & skf18("7","2","8","6","10","7","1") = "9"
    & skf18("7","2","8","6","10","8","1") = "9"
    & skf18("7","2","8","6","10","9","1") = "9"
    & skf18("7","2","8","6","10","10","1") = "9"
    & skf18("7","2","8","7","1","1","1") = "7"
    & skf18("7","2","8","7","1","2","1") = "7"
    & skf18("7","2","8","7","1","3","1") = "7"
    & skf18("7","2","8","7","1","4","1") = "7"
    & skf18("7","2","8","7","1","5","1") = "7"
    & skf18("7","2","8","7","1","6","1") = "7"
    & skf18("7","2","8","7","1","7","1") = "7"
    & skf18("7","2","8","7","1","8","1") = "7"
    & skf18("7","2","8","7","1","9","1") = "8"
    & skf18("7","2","8","7","1","10","1") = "9"
    & skf18("7","2","8","7","2","1","1") = "7"
    & skf18("7","2","8","7","2","2","1") = "7"
    & skf18("7","2","8","7","2","3","1") = "7"
    & skf18("7","2","8","7","2","4","1") = "7"
    & skf18("7","2","8","7","2","5","1") = "7"
    & skf18("7","2","8","7","2","6","1") = "7"
    & skf18("7","2","8","7","2","7","1") = "7"
    & skf18("7","2","8","7","2","8","1") = "7"
    & skf18("7","2","8","7","2","9","1") = "8"
    & skf18("7","2","8","7","2","10","1") = "9"
    & skf18("7","2","8","7","3","1","1") = "7"
    & skf18("7","2","8","7","3","2","1") = "7"
    & skf18("7","2","8","7","3","3","1") = "7"
    & skf18("7","2","8","7","3","4","1") = "7"
    & skf18("7","2","8","7","3","5","1") = "7"
    & skf18("7","2","8","7","3","6","1") = "7"
    & skf18("7","2","8","7","3","7","1") = "7"
    & skf18("7","2","8","7","3","8","1") = "7"
    & skf18("7","2","8","7","3","9","1") = "8"
    & skf18("7","2","8","7","3","10","1") = "9"
    & skf18("7","2","8","7","4","1","1") = "7"
    & skf18("7","2","8","7","4","2","1") = "7"
    & skf18("7","2","8","7","4","3","1") = "7"
    & skf18("7","2","8","7","4","4","1") = "7"
    & skf18("7","2","8","7","4","5","1") = "7"
    & skf18("7","2","8","7","4","6","1") = "7"
    & skf18("7","2","8","7","4","7","1") = "7"
    & skf18("7","2","8","7","4","8","1") = "7"
    & skf18("7","2","8","7","4","9","1") = "8"
    & skf18("7","2","8","7","4","10","1") = "9"
    & skf18("7","2","8","7","5","1","1") = "7"
    & skf18("7","2","8","7","5","2","1") = "7"
    & skf18("7","2","8","7","5","3","1") = "7"
    & skf18("7","2","8","7","5","4","1") = "7"
    & skf18("7","2","8","7","5","5","1") = "7"
    & skf18("7","2","8","7","5","6","1") = "7"
    & skf18("7","2","8","7","5","7","1") = "7"
    & skf18("7","2","8","7","5","8","1") = "7"
    & skf18("7","2","8","7","5","9","1") = "8"
    & skf18("7","2","8","7","5","10","1") = "9"
    & skf18("7","2","8","7","6","1","1") = "7"
    & skf18("7","2","8","7","6","2","1") = "7"
    & skf18("7","2","8","7","6","3","1") = "7"
    & skf18("7","2","8","7","6","4","1") = "7"
    & skf18("7","2","8","7","6","5","1") = "7"
    & skf18("7","2","8","7","6","6","1") = "7"
    & skf18("7","2","8","7","6","7","1") = "7"
    & skf18("7","2","8","7","6","8","1") = "7"
    & skf18("7","2","8","7","6","9","1") = "8"
    & skf18("7","2","8","7","6","10","1") = "9"
    & skf18("7","2","8","7","7","1","1") = "7"
    & skf18("7","2","8","7","7","2","1") = "7"
    & skf18("7","2","8","7","7","3","1") = "7"
    & skf18("7","2","8","7","7","4","1") = "7"
    & skf18("7","2","8","7","7","5","1") = "7"
    & skf18("7","2","8","7","7","6","1") = "7"
    & skf18("7","2","8","7","7","7","1") = "7"
    & skf18("7","2","8","7","7","8","1") = "7"
    & skf18("7","2","8","7","7","9","1") = "8"
    & skf18("7","2","8","7","7","10","1") = "9"
    & skf18("7","2","8","7","8","1","1") = "7"
    & skf18("7","2","8","7","8","2","1") = "7"
    & skf18("7","2","8","7","8","3","1") = "7"
    & skf18("7","2","8","7","8","4","1") = "7"
    & skf18("7","2","8","7","8","5","1") = "7"
    & skf18("7","2","8","7","8","6","1") = "7"
    & skf18("7","2","8","7","8","7","1") = "7"
    & skf18("7","2","8","7","8","8","1") = "7"
    & skf18("7","2","8","7","8","9","1") = "8"
    & skf18("7","2","8","7","8","10","1") = "9"
    & skf18("7","2","8","7","9","1","1") = "8"
    & skf18("7","2","8","7","9","2","1") = "8"
    & skf18("7","2","8","7","9","3","1") = "8"
    & skf18("7","2","8","7","9","4","1") = "8"
    & skf18("7","2","8","7","9","5","1") = "8"
    & skf18("7","2","8","7","9","6","1") = "8"
    & skf18("7","2","8","7","9","7","1") = "8"
    & skf18("7","2","8","7","9","8","1") = "8"
    & skf18("7","2","8","7","9","9","1") = "8"
    & skf18("7","2","8","7","9","10","1") = "9"
    & skf18("7","2","8","7","10","1","1") = "9"
    & skf18("7","2","8","7","10","2","1") = "9"
    & skf18("7","2","8","7","10","3","1") = "9"
    & skf18("7","2","8","7","10","4","1") = "9"
    & skf18("7","2","8","7","10","5","1") = "9"
    & skf18("7","2","8","7","10","6","1") = "9"
    & skf18("7","2","8","7","10","7","1") = "9"
    & skf18("7","2","8","7","10","8","1") = "9"
    & skf18("7","2","8","7","10","9","1") = "9"
    & skf18("7","2","8","7","10","10","1") = "9"
    & skf18("7","2","8","8","1","1","1") = "7"
    & skf18("7","2","8","8","1","2","1") = "7"
    & skf18("7","2","8","8","1","3","1") = "7"
    & skf18("7","2","8","8","1","4","1") = "7"
    & skf18("7","2","8","8","1","5","1") = "7"
    & skf18("7","2","8","8","1","6","1") = "7"
    & skf18("7","2","8","8","1","7","1") = "7"
    & skf18("7","2","8","8","1","8","1") = "7"
    & skf18("7","2","8","8","1","9","1") = "8"
    & skf18("7","2","8","8","1","10","1") = "9"
    & skf18("7","2","8","8","2","1","1") = "7"
    & skf18("7","2","8","8","2","2","1") = "7"
    & skf18("7","2","8","8","2","3","1") = "7"
    & skf18("7","2","8","8","2","4","1") = "7"
    & skf18("7","2","8","8","2","5","1") = "7"
    & skf18("7","2","8","8","2","6","1") = "7"
    & skf18("7","2","8","8","2","7","1") = "7"
    & skf18("7","2","8","8","2","8","1") = "7"
    & skf18("7","2","8","8","2","9","1") = "8"
    & skf18("7","2","8","8","2","10","1") = "9"
    & skf18("7","2","8","8","3","1","1") = "7"
    & skf18("7","2","8","8","3","2","1") = "7"
    & skf18("7","2","8","8","3","3","1") = "7"
    & skf18("7","2","8","8","3","4","1") = "7"
    & skf18("7","2","8","8","3","5","1") = "7"
    & skf18("7","2","8","8","3","6","1") = "7"
    & skf18("7","2","8","8","3","7","1") = "7"
    & skf18("7","2","8","8","3","8","1") = "7"
    & skf18("7","2","8","8","3","9","1") = "8"
    & skf18("7","2","8","8","3","10","1") = "9"
    & skf18("7","2","8","8","4","1","1") = "7"
    & skf18("7","2","8","8","4","2","1") = "7"
    & skf18("7","2","8","8","4","3","1") = "7"
    & skf18("7","2","8","8","4","4","1") = "7"
    & skf18("7","2","8","8","4","5","1") = "7"
    & skf18("7","2","8","8","4","6","1") = "7"
    & skf18("7","2","8","8","4","7","1") = "7"
    & skf18("7","2","8","8","4","8","1") = "7"
    & skf18("7","2","8","8","4","9","1") = "8"
    & skf18("7","2","8","8","4","10","1") = "9"
    & skf18("7","2","8","8","5","1","1") = "7"
    & skf18("7","2","8","8","5","2","1") = "7"
    & skf18("7","2","8","8","5","3","1") = "7"
    & skf18("7","2","8","8","5","4","1") = "7"
    & skf18("7","2","8","8","5","5","1") = "7"
    & skf18("7","2","8","8","5","6","1") = "7"
    & skf18("7","2","8","8","5","7","1") = "7"
    & skf18("7","2","8","8","5","8","1") = "7"
    & skf18("7","2","8","8","5","9","1") = "8"
    & skf18("7","2","8","8","5","10","1") = "9"
    & skf18("7","2","8","8","6","1","1") = "7"
    & skf18("7","2","8","8","6","2","1") = "7"
    & skf18("7","2","8","8","6","3","1") = "7"
    & skf18("7","2","8","8","6","4","1") = "7"
    & skf18("7","2","8","8","6","5","1") = "7"
    & skf18("7","2","8","8","6","6","1") = "7"
    & skf18("7","2","8","8","6","7","1") = "7"
    & skf18("7","2","8","8","6","8","1") = "7"
    & skf18("7","2","8","8","6","9","1") = "8"
    & skf18("7","2","8","8","6","10","1") = "9"
    & skf18("7","2","8","8","7","1","1") = "7"
    & skf18("7","2","8","8","7","2","1") = "7"
    & skf18("7","2","8","8","7","3","1") = "7"
    & skf18("7","2","8","8","7","4","1") = "7"
    & skf18("7","2","8","8","7","5","1") = "7"
    & skf18("7","2","8","8","7","6","1") = "7"
    & skf18("7","2","8","8","7","7","1") = "7"
    & skf18("7","2","8","8","7","8","1") = "7"
    & skf18("7","2","8","8","7","9","1") = "8"
    & skf18("7","2","8","8","7","10","1") = "9"
    & skf18("7","2","8","8","8","1","1") = "7"
    & skf18("7","2","8","8","8","2","1") = "7"
    & skf18("7","2","8","8","8","3","1") = "7"
    & skf18("7","2","8","8","8","4","1") = "7"
    & skf18("7","2","8","8","8","5","1") = "7"
    & skf18("7","2","8","8","8","6","1") = "7"
    & skf18("7","2","8","8","8","7","1") = "7"
    & skf18("7","2","8","8","8","8","1") = "7"
    & skf18("7","2","8","8","8","9","1") = "8"
    & skf18("7","2","8","8","8","10","1") = "9"
    & skf18("7","2","8","8","9","1","1") = "8"
    & skf18("7","2","8","8","9","2","1") = "8"
    & skf18("7","2","8","8","9","3","1") = "8"
    & skf18("7","2","8","8","9","4","1") = "8"
    & skf18("7","2","8","8","9","5","1") = "8"
    & skf18("7","2","8","8","9","6","1") = "8"
    & skf18("7","2","8","8","9","7","1") = "8"
    & skf18("7","2","8","8","9","8","1") = "8"
    & skf18("7","2","8","8","9","9","1") = "8"
    & skf18("7","2","8","8","9","10","1") = "9"
    & skf18("7","2","8","8","10","1","1") = "9"
    & skf18("7","2","8","8","10","2","1") = "9"
    & skf18("7","2","8","8","10","3","1") = "9"
    & skf18("7","2","8","8","10","4","1") = "9"
    & skf18("7","2","8","8","10","5","1") = "9"
    & skf18("7","2","8","8","10","6","1") = "9"
    & skf18("7","2","8","8","10","7","1") = "9"
    & skf18("7","2","8","8","10","8","1") = "9"
    & skf18("7","2","8","8","10","9","1") = "9"
    & skf18("7","2","8","8","10","10","1") = "9"
    & skf18("7","2","8","9","1","1","1") = "8"
    & skf18("7","2","8","9","1","2","1") = "8"
    & skf18("7","2","8","9","1","3","1") = "8"
    & skf18("7","2","8","9","1","4","1") = "8"
    & skf18("7","2","8","9","1","5","1") = "8"
    & skf18("7","2","8","9","1","6","1") = "8"
    & skf18("7","2","8","9","1","7","1") = "8"
    & skf18("7","2","8","9","1","8","1") = "8"
    & skf18("7","2","8","9","1","9","1") = "8"
    & skf18("7","2","8","9","1","10","1") = "9"
    & skf18("7","2","8","9","2","1","1") = "8"
    & skf18("7","2","8","9","2","2","1") = "8"
    & skf18("7","2","8","9","2","3","1") = "8"
    & skf18("7","2","8","9","2","4","1") = "8"
    & skf18("7","2","8","9","2","5","1") = "8"
    & skf18("7","2","8","9","2","6","1") = "8"
    & skf18("7","2","8","9","2","7","1") = "8"
    & skf18("7","2","8","9","2","8","1") = "8"
    & skf18("7","2","8","9","2","9","1") = "8"
    & skf18("7","2","8","9","2","10","1") = "9"
    & skf18("7","2","8","9","3","1","1") = "8"
    & skf18("7","2","8","9","3","2","1") = "8"
    & skf18("7","2","8","9","3","3","1") = "8"
    & skf18("7","2","8","9","3","4","1") = "8"
    & skf18("7","2","8","9","3","5","1") = "8"
    & skf18("7","2","8","9","3","6","1") = "8"
    & skf18("7","2","8","9","3","7","1") = "8"
    & skf18("7","2","8","9","3","8","1") = "8"
    & skf18("7","2","8","9","3","9","1") = "8"
    & skf18("7","2","8","9","3","10","1") = "9"
    & skf18("7","2","8","9","4","1","1") = "8"
    & skf18("7","2","8","9","4","2","1") = "8"
    & skf18("7","2","8","9","4","3","1") = "8"
    & skf18("7","2","8","9","4","4","1") = "8"
    & skf18("7","2","8","9","4","5","1") = "8"
    & skf18("7","2","8","9","4","6","1") = "8"
    & skf18("7","2","8","9","4","7","1") = "8"
    & skf18("7","2","8","9","4","8","1") = "8"
    & skf18("7","2","8","9","4","9","1") = "8"
    & skf18("7","2","8","9","4","10","1") = "9"
    & skf18("7","2","8","9","5","1","1") = "8"
    & skf18("7","2","8","9","5","2","1") = "8"
    & skf18("7","2","8","9","5","3","1") = "8"
    & skf18("7","2","8","9","5","4","1") = "8"
    & skf18("7","2","8","9","5","5","1") = "8"
    & skf18("7","2","8","9","5","6","1") = "8"
    & skf18("7","2","8","9","5","7","1") = "8"
    & skf18("7","2","8","9","5","8","1") = "8"
    & skf18("7","2","8","9","5","9","1") = "8"
    & skf18("7","2","8","9","5","10","1") = "9"
    & skf18("7","2","8","9","6","1","1") = "8"
    & skf18("7","2","8","9","6","2","1") = "8"
    & skf18("7","2","8","9","6","3","1") = "8"
    & skf18("7","2","8","9","6","4","1") = "8"
    & skf18("7","2","8","9","6","5","1") = "8"
    & skf18("7","2","8","9","6","6","1") = "8"
    & skf18("7","2","8","9","6","7","1") = "8"
    & skf18("7","2","8","9","6","8","1") = "8"
    & skf18("7","2","8","9","6","9","1") = "8"
    & skf18("7","2","8","9","6","10","1") = "9"
    & skf18("7","2","8","9","7","1","1") = "8"
    & skf18("7","2","8","9","7","2","1") = "8"
    & skf18("7","2","8","9","7","3","1") = "8"
    & skf18("7","2","8","9","7","4","1") = "8"
    & skf18("7","2","8","9","7","5","1") = "8"
    & skf18("7","2","8","9","7","6","1") = "8"
    & skf18("7","2","8","9","7","7","1") = "8"
    & skf18("7","2","8","9","7","8","1") = "8"
    & skf18("7","2","8","9","7","9","1") = "8"
    & skf18("7","2","8","9","7","10","1") = "9"
    & skf18("7","2","8","9","8","1","1") = "8"
    & skf18("7","2","8","9","8","2","1") = "8"
    & skf18("7","2","8","9","8","3","1") = "8"
    & skf18("7","2","8","9","8","4","1") = "8"
    & skf18("7","2","8","9","8","5","1") = "8"
    & skf18("7","2","8","9","8","6","1") = "8"
    & skf18("7","2","8","9","8","7","1") = "8"
    & skf18("7","2","8","9","8","8","1") = "8"
    & skf18("7","2","8","9","8","9","1") = "8"
    & skf18("7","2","8","9","8","10","1") = "9"
    & skf18("7","2","8","9","9","1","1") = "8"
    & skf18("7","2","8","9","9","2","1") = "8"
    & skf18("7","2","8","9","9","3","1") = "8"
    & skf18("7","2","8","9","9","4","1") = "8"
    & skf18("7","2","8","9","9","5","1") = "8"
    & skf18("7","2","8","9","9","6","1") = "8"
    & skf18("7","2","8","9","9","7","1") = "8"
    & skf18("7","2","8","9","9","8","1") = "8"
    & skf18("7","2","8","9","9","9","1") = "8"
    & skf18("7","2","8","9","9","10","1") = "9"
    & skf18("7","2","8","9","10","1","1") = "9"
    & skf18("7","2","8","9","10","2","1") = "9"
    & skf18("7","2","8","9","10","3","1") = "9"
    & skf18("7","2","8","9","10","4","1") = "9"
    & skf18("7","2","8","9","10","5","1") = "9"
    & skf18("7","2","8","9","10","6","1") = "9"
    & skf18("7","2","8","9","10","7","1") = "9"
    & skf18("7","2","8","9","10","8","1") = "9"
    & skf18("7","2","8","9","10","9","1") = "9"
    & skf18("7","2","8","9","10","10","1") = "9"
    & skf18("7","2","8","10","1","1","1") = "9"
    & skf18("7","2","8","10","1","2","1") = "9"
    & skf18("7","2","8","10","1","3","1") = "9"
    & skf18("7","2","8","10","1","4","1") = "9"
    & skf18("7","2","8","10","1","5","1") = "9"
    & skf18("7","2","8","10","1","6","1") = "9"
    & skf18("7","2","8","10","1","7","1") = "9"
    & skf18("7","2","8","10","1","8","1") = "9"
    & skf18("7","2","8","10","1","9","1") = "9"
    & skf18("7","2","8","10","1","10","1") = "9"
    & skf18("7","2","8","10","2","1","1") = "9"
    & skf18("7","2","8","10","2","2","1") = "9"
    & skf18("7","2","8","10","2","3","1") = "9"
    & skf18("7","2","8","10","2","4","1") = "9"
    & skf18("7","2","8","10","2","5","1") = "9"
    & skf18("7","2","8","10","2","6","1") = "9"
    & skf18("7","2","8","10","2","7","1") = "9"
    & skf18("7","2","8","10","2","8","1") = "9"
    & skf18("7","2","8","10","2","9","1") = "9"
    & skf18("7","2","8","10","2","10","1") = "9"
    & skf18("7","2","8","10","3","1","1") = "9"
    & skf18("7","2","8","10","3","2","1") = "9"
    & skf18("7","2","8","10","3","3","1") = "9"
    & skf18("7","2","8","10","3","4","1") = "9"
    & skf18("7","2","8","10","3","5","1") = "9"
    & skf18("7","2","8","10","3","6","1") = "9"
    & skf18("7","2","8","10","3","7","1") = "9"
    & skf18("7","2","8","10","3","8","1") = "9"
    & skf18("7","2","8","10","3","9","1") = "9"
    & skf18("7","2","8","10","3","10","1") = "9"
    & skf18("7","2","8","10","4","1","1") = "9"
    & skf18("7","2","8","10","4","2","1") = "9"
    & skf18("7","2","8","10","4","3","1") = "9"
    & skf18("7","2","8","10","4","4","1") = "9"
    & skf18("7","2","8","10","4","5","1") = "9"
    & skf18("7","2","8","10","4","6","1") = "9"
    & skf18("7","2","8","10","4","7","1") = "9"
    & skf18("7","2","8","10","4","8","1") = "9"
    & skf18("7","2","8","10","4","9","1") = "9"
    & skf18("7","2","8","10","4","10","1") = "9"
    & skf18("7","2","8","10","5","1","1") = "9"
    & skf18("7","2","8","10","5","2","1") = "9"
    & skf18("7","2","8","10","5","3","1") = "9"
    & skf18("7","2","8","10","5","4","1") = "9"
    & skf18("7","2","8","10","5","5","1") = "9"
    & skf18("7","2","8","10","5","6","1") = "9"
    & skf18("7","2","8","10","5","7","1") = "9"
    & skf18("7","2","8","10","5","8","1") = "9"
    & skf18("7","2","8","10","5","9","1") = "9"
    & skf18("7","2","8","10","5","10","1") = "9"
    & skf18("7","2","8","10","6","1","1") = "9"
    & skf18("7","2","8","10","6","2","1") = "9"
    & skf18("7","2","8","10","6","3","1") = "9"
    & skf18("7","2","8","10","6","4","1") = "9"
    & skf18("7","2","8","10","6","5","1") = "9"
    & skf18("7","2","8","10","6","6","1") = "9"
    & skf18("7","2","8","10","6","7","1") = "9"
    & skf18("7","2","8","10","6","8","1") = "9"
    & skf18("7","2","8","10","6","9","1") = "9"
    & skf18("7","2","8","10","6","10","1") = "9"
    & skf18("7","2","8","10","7","1","1") = "9"
    & skf18("7","2","8","10","7","2","1") = "9"
    & skf18("7","2","8","10","7","3","1") = "9"
    & skf18("7","2","8","10","7","4","1") = "9"
    & skf18("7","2","8","10","7","5","1") = "9"
    & skf18("7","2","8","10","7","6","1") = "9"
    & skf18("7","2","8","10","7","7","1") = "9"
    & skf18("7","2","8","10","7","8","1") = "9"
    & skf18("7","2","8","10","7","9","1") = "9"
    & skf18("7","2","8","10","7","10","1") = "9"
    & skf18("7","2","8","10","8","1","1") = "9"
    & skf18("7","2","8","10","8","2","1") = "9"
    & skf18("7","2","8","10","8","3","1") = "9"
    & skf18("7","2","8","10","8","4","1") = "9"
    & skf18("7","2","8","10","8","5","1") = "9"
    & skf18("7","2","8","10","8","6","1") = "9"
    & skf18("7","2","8","10","8","7","1") = "9"
    & skf18("7","2","8","10","8","8","1") = "9"
    & skf18("7","2","8","10","8","9","1") = "9"
    & skf18("7","2","8","10","8","10","1") = "9"
    & skf18("7","2","8","10","9","1","1") = "9"
    & skf18("7","2","8","10","9","2","1") = "9"
    & skf18("7","2","8","10","9","3","1") = "9"
    & skf18("7","2","8","10","9","4","1") = "9"
    & skf18("7","2","8","10","9","5","1") = "9"
    & skf18("7","2","8","10","9","6","1") = "9"
    & skf18("7","2","8","10","9","7","1") = "9"
    & skf18("7","2","8","10","9","8","1") = "9"
    & skf18("7","2","8","10","9","9","1") = "9"
    & skf18("7","2","8","10","9","10","1") = "9"
    & skf18("7","2","8","10","10","1","1") = "9"
    & skf18("7","2","8","10","10","2","1") = "9"
    & skf18("7","2","8","10","10","3","1") = "9"
    & skf18("7","2","8","10","10","4","1") = "9"
    & skf18("7","2","8","10","10","5","1") = "9"
    & skf18("7","2","8","10","10","6","1") = "9"
    & skf18("7","2","8","10","10","7","1") = "9"
    & skf18("7","2","8","10","10","8","1") = "9"
    & skf18("7","2","8","10","10","9","1") = "9"
    & skf18("7","2","8","10","10","10","1") = "9"
    & skf18("7","2","9","1","1","1","1") = "8"
    & skf18("7","2","9","1","1","2","1") = "8"
    & skf18("7","2","9","1","1","3","1") = "8"
    & skf18("7","2","9","1","1","4","1") = "8"
    & skf18("7","2","9","1","1","5","1") = "8"
    & skf18("7","2","9","1","1","6","1") = "8"
    & skf18("7","2","9","1","1","7","1") = "8"
    & skf18("7","2","9","1","1","8","1") = "8"
    & skf18("7","2","9","1","1","9","1") = "8"
    & skf18("7","2","9","1","1","10","1") = "9"
    & skf18("7","2","9","1","2","1","1") = "8"
    & skf18("7","2","9","1","2","2","1") = "8"
    & skf18("7","2","9","1","2","3","1") = "8"
    & skf18("7","2","9","1","2","4","1") = "8"
    & skf18("7","2","9","1","2","5","1") = "8"
    & skf18("7","2","9","1","2","6","1") = "8"
    & skf18("7","2","9","1","2","7","1") = "8"
    & skf18("7","2","9","1","2","8","1") = "8"
    & skf18("7","2","9","1","2","9","1") = "8"
    & skf18("7","2","9","1","2","10","1") = "9"
    & skf18("7","2","9","1","3","1","1") = "8"
    & skf18("7","2","9","1","3","2","1") = "8"
    & skf18("7","2","9","1","3","3","1") = "8"
    & skf18("7","2","9","1","3","4","1") = "8"
    & skf18("7","2","9","1","3","5","1") = "8"
    & skf18("7","2","9","1","3","6","1") = "8"
    & skf18("7","2","9","1","3","7","1") = "8"
    & skf18("7","2","9","1","3","8","1") = "8"
    & skf18("7","2","9","1","3","9","1") = "8"
    & skf18("7","2","9","1","3","10","1") = "9"
    & skf18("7","2","9","1","4","1","1") = "8"
    & skf18("7","2","9","1","4","2","1") = "8"
    & skf18("7","2","9","1","4","3","1") = "8"
    & skf18("7","2","9","1","4","4","1") = "8"
    & skf18("7","2","9","1","4","5","1") = "8"
    & skf18("7","2","9","1","4","6","1") = "8"
    & skf18("7","2","9","1","4","7","1") = "8"
    & skf18("7","2","9","1","4","8","1") = "8"
    & skf18("7","2","9","1","4","9","1") = "8"
    & skf18("7","2","9","1","4","10","1") = "9"
    & skf18("7","2","9","1","5","1","1") = "8"
    & skf18("7","2","9","1","5","2","1") = "8"
    & skf18("7","2","9","1","5","3","1") = "8"
    & skf18("7","2","9","1","5","4","1") = "8"
    & skf18("7","2","9","1","5","5","1") = "8"
    & skf18("7","2","9","1","5","6","1") = "8"
    & skf18("7","2","9","1","5","7","1") = "8"
    & skf18("7","2","9","1","5","8","1") = "8"
    & skf18("7","2","9","1","5","9","1") = "8"
    & skf18("7","2","9","1","5","10","1") = "9"
    & skf18("7","2","9","1","6","1","1") = "8"
    & skf18("7","2","9","1","6","2","1") = "8"
    & skf18("7","2","9","1","6","3","1") = "8"
    & skf18("7","2","9","1","6","4","1") = "8"
    & skf18("7","2","9","1","6","5","1") = "8"
    & skf18("7","2","9","1","6","6","1") = "8"
    & skf18("7","2","9","1","6","7","1") = "8"
    & skf18("7","2","9","1","6","8","1") = "8"
    & skf18("7","2","9","1","6","9","1") = "8"
    & skf18("7","2","9","1","6","10","1") = "9"
    & skf18("7","2","9","1","7","1","1") = "8"
    & skf18("7","2","9","1","7","2","1") = "8"
    & skf18("7","2","9","1","7","3","1") = "8"
    & skf18("7","2","9","1","7","4","1") = "8"
    & skf18("7","2","9","1","7","5","1") = "8"
    & skf18("7","2","9","1","7","6","1") = "8"
    & skf18("7","2","9","1","7","7","1") = "8"
    & skf18("7","2","9","1","7","8","1") = "8"
    & skf18("7","2","9","1","7","9","1") = "8"
    & skf18("7","2","9","1","7","10","1") = "9"
    & skf18("7","2","9","1","8","1","1") = "8"
    & skf18("7","2","9","1","8","2","1") = "8"
    & skf18("7","2","9","1","8","3","1") = "8"
    & skf18("7","2","9","1","8","4","1") = "8"
    & skf18("7","2","9","1","8","5","1") = "8"
    & skf18("7","2","9","1","8","6","1") = "8"
    & skf18("7","2","9","1","8","7","1") = "8"
    & skf18("7","2","9","1","8","8","1") = "8"
    & skf18("7","2","9","1","8","9","1") = "8"
    & skf18("7","2","9","1","8","10","1") = "9"
    & skf18("7","2","9","1","9","1","1") = "8"
    & skf18("7","2","9","1","9","2","1") = "8"
    & skf18("7","2","9","1","9","3","1") = "8"
    & skf18("7","2","9","1","9","4","1") = "8"
    & skf18("7","2","9","1","9","5","1") = "8"
    & skf18("7","2","9","1","9","6","1") = "8"
    & skf18("7","2","9","1","9","7","1") = "8"
    & skf18("7","2","9","1","9","8","1") = "8"
    & skf18("7","2","9","1","9","9","1") = "8"
    & skf18("7","2","9","1","9","10","1") = "9"
    & skf18("7","2","9","1","10","1","1") = "9"
    & skf18("7","2","9","1","10","2","1") = "9"
    & skf18("7","2","9","1","10","3","1") = "9"
    & skf18("7","2","9","1","10","4","1") = "9"
    & skf18("7","2","9","1","10","5","1") = "9"
    & skf18("7","2","9","1","10","6","1") = "9"
    & skf18("7","2","9","1","10","7","1") = "9"
    & skf18("7","2","9","1","10","8","1") = "9"
    & skf18("7","2","9","1","10","9","1") = "9"
    & skf18("7","2","9","1","10","10","1") = "9"
    & skf18("7","2","9","2","1","1","1") = "8"
    & skf18("7","2","9","2","1","2","1") = "8"
    & skf18("7","2","9","2","1","3","1") = "8"
    & skf18("7","2","9","2","1","4","1") = "8"
    & skf18("7","2","9","2","1","5","1") = "8"
    & skf18("7","2","9","2","1","6","1") = "8"
    & skf18("7","2","9","2","1","7","1") = "8"
    & skf18("7","2","9","2","1","8","1") = "8"
    & skf18("7","2","9","2","1","9","1") = "8"
    & skf18("7","2","9","2","1","10","1") = "9"
    & skf18("7","2","9","2","2","1","1") = "8"
    & skf18("7","2","9","2","2","2","1") = "8"
    & skf18("7","2","9","2","2","3","1") = "8"
    & skf18("7","2","9","2","2","4","1") = "8"
    & skf18("7","2","9","2","2","5","1") = "8"
    & skf18("7","2","9","2","2","6","1") = "8"
    & skf18("7","2","9","2","2","7","1") = "8"
    & skf18("7","2","9","2","2","8","1") = "8"
    & skf18("7","2","9","2","2","9","1") = "8"
    & skf18("7","2","9","2","2","10","1") = "9"
    & skf18("7","2","9","2","3","1","1") = "8"
    & skf18("7","2","9","2","3","2","1") = "8"
    & skf18("7","2","9","2","3","3","1") = "8"
    & skf18("7","2","9","2","3","4","1") = "8"
    & skf18("7","2","9","2","3","5","1") = "8"
    & skf18("7","2","9","2","3","6","1") = "8"
    & skf18("7","2","9","2","3","7","1") = "8"
    & skf18("7","2","9","2","3","8","1") = "8"
    & skf18("7","2","9","2","3","9","1") = "8"
    & skf18("7","2","9","2","3","10","1") = "9"
    & skf18("7","2","9","2","4","1","1") = "8"
    & skf18("7","2","9","2","4","2","1") = "8"
    & skf18("7","2","9","2","4","3","1") = "8"
    & skf18("7","2","9","2","4","4","1") = "8"
    & skf18("7","2","9","2","4","5","1") = "8"
    & skf18("7","2","9","2","4","6","1") = "8"
    & skf18("7","2","9","2","4","7","1") = "8"
    & skf18("7","2","9","2","4","8","1") = "8"
    & skf18("7","2","9","2","4","9","1") = "8"
    & skf18("7","2","9","2","4","10","1") = "9"
    & skf18("7","2","9","2","5","1","1") = "8"
    & skf18("7","2","9","2","5","2","1") = "8"
    & skf18("7","2","9","2","5","3","1") = "8"
    & skf18("7","2","9","2","5","4","1") = "8"
    & skf18("7","2","9","2","5","5","1") = "8"
    & skf18("7","2","9","2","5","6","1") = "8"
    & skf18("7","2","9","2","5","7","1") = "8"
    & skf18("7","2","9","2","5","8","1") = "8"
    & skf18("7","2","9","2","5","9","1") = "8"
    & skf18("7","2","9","2","5","10","1") = "9"
    & skf18("7","2","9","2","6","1","1") = "8"
    & skf18("7","2","9","2","6","2","1") = "8"
    & skf18("7","2","9","2","6","3","1") = "8"
    & skf18("7","2","9","2","6","4","1") = "8"
    & skf18("7","2","9","2","6","5","1") = "8"
    & skf18("7","2","9","2","6","6","1") = "8"
    & skf18("7","2","9","2","6","7","1") = "8"
    & skf18("7","2","9","2","6","8","1") = "8"
    & skf18("7","2","9","2","6","9","1") = "8"
    & skf18("7","2","9","2","6","10","1") = "9"
    & skf18("7","2","9","2","7","1","1") = "8"
    & skf18("7","2","9","2","7","2","1") = "8"
    & skf18("7","2","9","2","7","3","1") = "8"
    & skf18("7","2","9","2","7","4","1") = "8"
    & skf18("7","2","9","2","7","5","1") = "8"
    & skf18("7","2","9","2","7","6","1") = "8"
    & skf18("7","2","9","2","7","7","1") = "8"
    & skf18("7","2","9","2","7","8","1") = "8"
    & skf18("7","2","9","2","7","9","1") = "8"
    & skf18("7","2","9","2","7","10","1") = "9"
    & skf18("7","2","9","2","8","1","1") = "8"
    & skf18("7","2","9","2","8","2","1") = "8"
    & skf18("7","2","9","2","8","3","1") = "8"
    & skf18("7","2","9","2","8","4","1") = "8"
    & skf18("7","2","9","2","8","5","1") = "8"
    & skf18("7","2","9","2","8","6","1") = "8"
    & skf18("7","2","9","2","8","7","1") = "8"
    & skf18("7","2","9","2","8","8","1") = "8"
    & skf18("7","2","9","2","8","9","1") = "8"
    & skf18("7","2","9","2","8","10","1") = "9"
    & skf18("7","2","9","2","9","1","1") = "8"
    & skf18("7","2","9","2","9","2","1") = "8"
    & skf18("7","2","9","2","9","3","1") = "8"
    & skf18("7","2","9","2","9","4","1") = "8"
    & skf18("7","2","9","2","9","5","1") = "8"
    & skf18("7","2","9","2","9","6","1") = "8"
    & skf18("7","2","9","2","9","7","1") = "8"
    & skf18("7","2","9","2","9","8","1") = "8"
    & skf18("7","2","9","2","9","9","1") = "8"
    & skf18("7","2","9","2","9","10","1") = "9"
    & skf18("7","2","9","2","10","1","1") = "9"
    & skf18("7","2","9","2","10","2","1") = "9"
    & skf18("7","2","9","2","10","3","1") = "9"
    & skf18("7","2","9","2","10","4","1") = "9"
    & skf18("7","2","9","2","10","5","1") = "9"
    & skf18("7","2","9","2","10","6","1") = "9"
    & skf18("7","2","9","2","10","7","1") = "9"
    & skf18("7","2","9","2","10","8","1") = "9"
    & skf18("7","2","9","2","10","9","1") = "9"
    & skf18("7","2","9","2","10","10","1") = "9"
    & skf18("7","2","9","3","1","1","1") = "8"
    & skf18("7","2","9","3","1","2","1") = "8"
    & skf18("7","2","9","3","1","3","1") = "8"
    & skf18("7","2","9","3","1","4","1") = "8"
    & skf18("7","2","9","3","1","5","1") = "8"
    & skf18("7","2","9","3","1","6","1") = "8"
    & skf18("7","2","9","3","1","7","1") = "8"
    & skf18("7","2","9","3","1","8","1") = "8"
    & skf18("7","2","9","3","1","9","1") = "8"
    & skf18("7","2","9","3","1","10","1") = "9"
    & skf18("7","2","9","3","2","1","1") = "8"
    & skf18("7","2","9","3","2","2","1") = "8"
    & skf18("7","2","9","3","2","3","1") = "8"
    & skf18("7","2","9","3","2","4","1") = "8"
    & skf18("7","2","9","3","2","5","1") = "8"
    & skf18("7","2","9","3","2","6","1") = "8"
    & skf18("7","2","9","3","2","7","1") = "8"
    & skf18("7","2","9","3","2","8","1") = "8"
    & skf18("7","2","9","3","2","9","1") = "8"
    & skf18("7","2","9","3","2","10","1") = "9"
    & skf18("7","2","9","3","3","1","1") = "8"
    & skf18("7","2","9","3","3","2","1") = "8"
    & skf18("7","2","9","3","3","3","1") = "8"
    & skf18("7","2","9","3","3","4","1") = "8"
    & skf18("7","2","9","3","3","5","1") = "8"
    & skf18("7","2","9","3","3","6","1") = "8"
    & skf18("7","2","9","3","3","7","1") = "8"
    & skf18("7","2","9","3","3","8","1") = "8"
    & skf18("7","2","9","3","3","9","1") = "8"
    & skf18("7","2","9","3","3","10","1") = "9"
    & skf18("7","2","9","3","4","1","1") = "8"
    & skf18("7","2","9","3","4","2","1") = "8"
    & skf18("7","2","9","3","4","3","1") = "8"
    & skf18("7","2","9","3","4","4","1") = "8"
    & skf18("7","2","9","3","4","5","1") = "8"
    & skf18("7","2","9","3","4","6","1") = "8"
    & skf18("7","2","9","3","4","7","1") = "8"
    & skf18("7","2","9","3","4","8","1") = "8"
    & skf18("7","2","9","3","4","9","1") = "8"
    & skf18("7","2","9","3","4","10","1") = "9"
    & skf18("7","2","9","3","5","1","1") = "8"
    & skf18("7","2","9","3","5","2","1") = "8"
    & skf18("7","2","9","3","5","3","1") = "8"
    & skf18("7","2","9","3","5","4","1") = "8"
    & skf18("7","2","9","3","5","5","1") = "8"
    & skf18("7","2","9","3","5","6","1") = "8"
    & skf18("7","2","9","3","5","7","1") = "8"
    & skf18("7","2","9","3","5","8","1") = "8"
    & skf18("7","2","9","3","5","9","1") = "8"
    & skf18("7","2","9","3","5","10","1") = "9"
    & skf18("7","2","9","3","6","1","1") = "8"
    & skf18("7","2","9","3","6","2","1") = "8"
    & skf18("7","2","9","3","6","3","1") = "8"
    & skf18("7","2","9","3","6","4","1") = "8"
    & skf18("7","2","9","3","6","5","1") = "8"
    & skf18("7","2","9","3","6","6","1") = "8"
    & skf18("7","2","9","3","6","7","1") = "8"
    & skf18("7","2","9","3","6","8","1") = "8"
    & skf18("7","2","9","3","6","9","1") = "8"
    & skf18("7","2","9","3","6","10","1") = "9"
    & skf18("7","2","9","3","7","1","1") = "8"
    & skf18("7","2","9","3","7","2","1") = "8"
    & skf18("7","2","9","3","7","3","1") = "8"
    & skf18("7","2","9","3","7","4","1") = "8"
    & skf18("7","2","9","3","7","5","1") = "8"
    & skf18("7","2","9","3","7","6","1") = "8"
    & skf18("7","2","9","3","7","7","1") = "8"
    & skf18("7","2","9","3","7","8","1") = "8"
    & skf18("7","2","9","3","7","9","1") = "8"
    & skf18("7","2","9","3","7","10","1") = "9"
    & skf18("7","2","9","3","8","1","1") = "8"
    & skf18("7","2","9","3","8","2","1") = "8"
    & skf18("7","2","9","3","8","3","1") = "8"
    & skf18("7","2","9","3","8","4","1") = "8"
    & skf18("7","2","9","3","8","5","1") = "8"
    & skf18("7","2","9","3","8","6","1") = "8"
    & skf18("7","2","9","3","8","7","1") = "8"
    & skf18("7","2","9","3","8","8","1") = "8"
    & skf18("7","2","9","3","8","9","1") = "8"
    & skf18("7","2","9","3","8","10","1") = "9"
    & skf18("7","2","9","3","9","1","1") = "8"
    & skf18("7","2","9","3","9","2","1") = "8"
    & skf18("7","2","9","3","9","3","1") = "8"
    & skf18("7","2","9","3","9","4","1") = "8"
    & skf18("7","2","9","3","9","5","1") = "8"
    & skf18("7","2","9","3","9","6","1") = "8"
    & skf18("7","2","9","3","9","7","1") = "8"
    & skf18("7","2","9","3","9","8","1") = "8"
    & skf18("7","2","9","3","9","9","1") = "8"
    & skf18("7","2","9","3","9","10","1") = "9"
    & skf18("7","2","9","3","10","1","1") = "9"
    & skf18("7","2","9","3","10","2","1") = "9"
    & skf18("7","2","9","3","10","3","1") = "9"
    & skf18("7","2","9","3","10","4","1") = "9"
    & skf18("7","2","9","3","10","5","1") = "9"
    & skf18("7","2","9","3","10","6","1") = "9"
    & skf18("7","2","9","3","10","7","1") = "9"
    & skf18("7","2","9","3","10","8","1") = "9"
    & skf18("7","2","9","3","10","9","1") = "9"
    & skf18("7","2","9","3","10","10","1") = "9"
    & skf18("7","2","9","4","1","1","1") = "8"
    & skf18("7","2","9","4","1","2","1") = "8"
    & skf18("7","2","9","4","1","3","1") = "8"
    & skf18("7","2","9","4","1","4","1") = "8"
    & skf18("7","2","9","4","1","5","1") = "8"
    & skf18("7","2","9","4","1","6","1") = "8"
    & skf18("7","2","9","4","1","7","1") = "8"
    & skf18("7","2","9","4","1","8","1") = "8"
    & skf18("7","2","9","4","1","9","1") = "8"
    & skf18("7","2","9","4","1","10","1") = "9"
    & skf18("7","2","9","4","2","1","1") = "8"
    & skf18("7","2","9","4","2","2","1") = "8"
    & skf18("7","2","9","4","2","3","1") = "8"
    & skf18("7","2","9","4","2","4","1") = "8"
    & skf18("7","2","9","4","2","5","1") = "8"
    & skf18("7","2","9","4","2","6","1") = "8"
    & skf18("7","2","9","4","2","7","1") = "8"
    & skf18("7","2","9","4","2","8","1") = "8"
    & skf18("7","2","9","4","2","9","1") = "8"
    & skf18("7","2","9","4","2","10","1") = "9"
    & skf18("7","2","9","4","3","1","1") = "8"
    & skf18("7","2","9","4","3","2","1") = "8"
    & skf18("7","2","9","4","3","3","1") = "8"
    & skf18("7","2","9","4","3","4","1") = "8"
    & skf18("7","2","9","4","3","5","1") = "8"
    & skf18("7","2","9","4","3","6","1") = "8"
    & skf18("7","2","9","4","3","7","1") = "8"
    & skf18("7","2","9","4","3","8","1") = "8"
    & skf18("7","2","9","4","3","9","1") = "8"
    & skf18("7","2","9","4","3","10","1") = "9"
    & skf18("7","2","9","4","4","1","1") = "8"
    & skf18("7","2","9","4","4","2","1") = "8"
    & skf18("7","2","9","4","4","3","1") = "8"
    & skf18("7","2","9","4","4","4","1") = "8"
    & skf18("7","2","9","4","4","5","1") = "8"
    & skf18("7","2","9","4","4","6","1") = "8"
    & skf18("7","2","9","4","4","7","1") = "8"
    & skf18("7","2","9","4","4","8","1") = "8"
    & skf18("7","2","9","4","4","9","1") = "8"
    & skf18("7","2","9","4","4","10","1") = "9"
    & skf18("7","2","9","4","5","1","1") = "8"
    & skf18("7","2","9","4","5","2","1") = "8"
    & skf18("7","2","9","4","5","3","1") = "8"
    & skf18("7","2","9","4","5","4","1") = "8"
    & skf18("7","2","9","4","5","5","1") = "8"
    & skf18("7","2","9","4","5","6","1") = "8"
    & skf18("7","2","9","4","5","7","1") = "8"
    & skf18("7","2","9","4","5","8","1") = "8"
    & skf18("7","2","9","4","5","9","1") = "8"
    & skf18("7","2","9","4","5","10","1") = "9"
    & skf18("7","2","9","4","6","1","1") = "8"
    & skf18("7","2","9","4","6","2","1") = "8"
    & skf18("7","2","9","4","6","3","1") = "8"
    & skf18("7","2","9","4","6","4","1") = "8"
    & skf18("7","2","9","4","6","5","1") = "8"
    & skf18("7","2","9","4","6","6","1") = "8"
    & skf18("7","2","9","4","6","7","1") = "8"
    & skf18("7","2","9","4","6","8","1") = "8"
    & skf18("7","2","9","4","6","9","1") = "8"
    & skf18("7","2","9","4","6","10","1") = "9"
    & skf18("7","2","9","4","7","1","1") = "8"
    & skf18("7","2","9","4","7","2","1") = "8"
    & skf18("7","2","9","4","7","3","1") = "8"
    & skf18("7","2","9","4","7","4","1") = "8"
    & skf18("7","2","9","4","7","5","1") = "8"
    & skf18("7","2","9","4","7","6","1") = "8"
    & skf18("7","2","9","4","7","7","1") = "8"
    & skf18("7","2","9","4","7","8","1") = "8"
    & skf18("7","2","9","4","7","9","1") = "8"
    & skf18("7","2","9","4","7","10","1") = "9"
    & skf18("7","2","9","4","8","1","1") = "8"
    & skf18("7","2","9","4","8","2","1") = "8"
    & skf18("7","2","9","4","8","3","1") = "8"
    & skf18("7","2","9","4","8","4","1") = "8"
    & skf18("7","2","9","4","8","5","1") = "8"
    & skf18("7","2","9","4","8","6","1") = "8"
    & skf18("7","2","9","4","8","7","1") = "8"
    & skf18("7","2","9","4","8","8","1") = "8"
    & skf18("7","2","9","4","8","9","1") = "8"
    & skf18("7","2","9","4","8","10","1") = "9"
    & skf18("7","2","9","4","9","1","1") = "8"
    & skf18("7","2","9","4","9","2","1") = "8"
    & skf18("7","2","9","4","9","3","1") = "8"
    & skf18("7","2","9","4","9","4","1") = "8"
    & skf18("7","2","9","4","9","5","1") = "8"
    & skf18("7","2","9","4","9","6","1") = "8"
    & skf18("7","2","9","4","9","7","1") = "8"
    & skf18("7","2","9","4","9","8","1") = "8"
    & skf18("7","2","9","4","9","9","1") = "8"
    & skf18("7","2","9","4","9","10","1") = "9"
    & skf18("7","2","9","4","10","1","1") = "9"
    & skf18("7","2","9","4","10","2","1") = "9"
    & skf18("7","2","9","4","10","3","1") = "9"
    & skf18("7","2","9","4","10","4","1") = "9"
    & skf18("7","2","9","4","10","5","1") = "9"
    & skf18("7","2","9","4","10","6","1") = "9"
    & skf18("7","2","9","4","10","7","1") = "9"
    & skf18("7","2","9","4","10","8","1") = "9"
    & skf18("7","2","9","4","10","9","1") = "9"
    & skf18("7","2","9","4","10","10","1") = "9"
    & skf18("7","2","9","5","1","1","1") = "8"
    & skf18("7","2","9","5","1","2","1") = "8"
    & skf18("7","2","9","5","1","3","1") = "8"
    & skf18("7","2","9","5","1","4","1") = "8"
    & skf18("7","2","9","5","1","5","1") = "8"
    & skf18("7","2","9","5","1","6","1") = "8"
    & skf18("7","2","9","5","1","7","1") = "8"
    & skf18("7","2","9","5","1","8","1") = "8"
    & skf18("7","2","9","5","1","9","1") = "8"
    & skf18("7","2","9","5","1","10","1") = "9"
    & skf18("7","2","9","5","2","1","1") = "8"
    & skf18("7","2","9","5","2","2","1") = "8"
    & skf18("7","2","9","5","2","3","1") = "8"
    & skf18("7","2","9","5","2","4","1") = "8"
    & skf18("7","2","9","5","2","5","1") = "8"
    & skf18("7","2","9","5","2","6","1") = "8"
    & skf18("7","2","9","5","2","7","1") = "8"
    & skf18("7","2","9","5","2","8","1") = "8"
    & skf18("7","2","9","5","2","9","1") = "8"
    & skf18("7","2","9","5","2","10","1") = "9"
    & skf18("7","2","9","5","3","1","1") = "8"
    & skf18("7","2","9","5","3","2","1") = "8"
    & skf18("7","2","9","5","3","3","1") = "8"
    & skf18("7","2","9","5","3","4","1") = "8"
    & skf18("7","2","9","5","3","5","1") = "8"
    & skf18("7","2","9","5","3","6","1") = "8"
    & skf18("7","2","9","5","3","7","1") = "8"
    & skf18("7","2","9","5","3","8","1") = "8"
    & skf18("7","2","9","5","3","9","1") = "8"
    & skf18("7","2","9","5","3","10","1") = "9"
    & skf18("7","2","9","5","4","1","1") = "8"
    & skf18("7","2","9","5","4","2","1") = "8"
    & skf18("7","2","9","5","4","3","1") = "8"
    & skf18("7","2","9","5","4","4","1") = "8"
    & skf18("7","2","9","5","4","5","1") = "8"
    & skf18("7","2","9","5","4","6","1") = "8"
    & skf18("7","2","9","5","4","7","1") = "8"
    & skf18("7","2","9","5","4","8","1") = "8"
    & skf18("7","2","9","5","4","9","1") = "8"
    & skf18("7","2","9","5","4","10","1") = "9"
    & skf18("7","2","9","5","5","1","1") = "8"
    & skf18("7","2","9","5","5","2","1") = "8"
    & skf18("7","2","9","5","5","3","1") = "8"
    & skf18("7","2","9","5","5","4","1") = "8"
    & skf18("7","2","9","5","5","5","1") = "8"
    & skf18("7","2","9","5","5","6","1") = "8"
    & skf18("7","2","9","5","5","7","1") = "8"
    & skf18("7","2","9","5","5","8","1") = "8"
    & skf18("7","2","9","5","5","9","1") = "8"
    & skf18("7","2","9","5","5","10","1") = "9"
    & skf18("7","2","9","5","6","1","1") = "8"
    & skf18("7","2","9","5","6","2","1") = "8"
    & skf18("7","2","9","5","6","3","1") = "8"
    & skf18("7","2","9","5","6","4","1") = "8"
    & skf18("7","2","9","5","6","5","1") = "8"
    & skf18("7","2","9","5","6","6","1") = "8"
    & skf18("7","2","9","5","6","7","1") = "8"
    & skf18("7","2","9","5","6","8","1") = "8"
    & skf18("7","2","9","5","6","9","1") = "8"
    & skf18("7","2","9","5","6","10","1") = "9"
    & skf18("7","2","9","5","7","1","1") = "8"
    & skf18("7","2","9","5","7","2","1") = "8"
    & skf18("7","2","9","5","7","3","1") = "8"
    & skf18("7","2","9","5","7","4","1") = "8"
    & skf18("7","2","9","5","7","5","1") = "8"
    & skf18("7","2","9","5","7","6","1") = "8"
    & skf18("7","2","9","5","7","7","1") = "8"
    & skf18("7","2","9","5","7","8","1") = "8"
    & skf18("7","2","9","5","7","9","1") = "8"
    & skf18("7","2","9","5","7","10","1") = "9"
    & skf18("7","2","9","5","8","1","1") = "8"
    & skf18("7","2","9","5","8","2","1") = "8"
    & skf18("7","2","9","5","8","3","1") = "8"
    & skf18("7","2","9","5","8","4","1") = "8"
    & skf18("7","2","9","5","8","5","1") = "8"
    & skf18("7","2","9","5","8","6","1") = "8"
    & skf18("7","2","9","5","8","7","1") = "8"
    & skf18("7","2","9","5","8","8","1") = "8"
    & skf18("7","2","9","5","8","9","1") = "8"
    & skf18("7","2","9","5","8","10","1") = "9"
    & skf18("7","2","9","5","9","1","1") = "8"
    & skf18("7","2","9","5","9","2","1") = "8"
    & skf18("7","2","9","5","9","3","1") = "8"
    & skf18("7","2","9","5","9","4","1") = "8"
    & skf18("7","2","9","5","9","5","1") = "8"
    & skf18("7","2","9","5","9","6","1") = "8"
    & skf18("7","2","9","5","9","7","1") = "8"
    & skf18("7","2","9","5","9","8","1") = "8"
    & skf18("7","2","9","5","9","9","1") = "8"
    & skf18("7","2","9","5","9","10","1") = "9"
    & skf18("7","2","9","5","10","1","1") = "9"
    & skf18("7","2","9","5","10","2","1") = "9"
    & skf18("7","2","9","5","10","3","1") = "9"
    & skf18("7","2","9","5","10","4","1") = "9"
    & skf18("7","2","9","5","10","5","1") = "9"
    & skf18("7","2","9","5","10","6","1") = "9"
    & skf18("7","2","9","5","10","7","1") = "9"
    & skf18("7","2","9","5","10","8","1") = "9"
    & skf18("7","2","9","5","10","9","1") = "9"
    & skf18("7","2","9","5","10","10","1") = "9"
    & skf18("7","2","9","6","1","1","1") = "8"
    & skf18("7","2","9","6","1","2","1") = "8"
    & skf18("7","2","9","6","1","3","1") = "8"
    & skf18("7","2","9","6","1","4","1") = "8"
    & skf18("7","2","9","6","1","5","1") = "8"
    & skf18("7","2","9","6","1","6","1") = "8"
    & skf18("7","2","9","6","1","7","1") = "8"
    & skf18("7","2","9","6","1","8","1") = "8"
    & skf18("7","2","9","6","1","9","1") = "8"
    & skf18("7","2","9","6","1","10","1") = "9"
    & skf18("7","2","9","6","2","1","1") = "8"
    & skf18("7","2","9","6","2","2","1") = "8"
    & skf18("7","2","9","6","2","3","1") = "8"
    & skf18("7","2","9","6","2","4","1") = "8"
    & skf18("7","2","9","6","2","5","1") = "8"
    & skf18("7","2","9","6","2","6","1") = "8"
    & skf18("7","2","9","6","2","7","1") = "8"
    & skf18("7","2","9","6","2","8","1") = "8"
    & skf18("7","2","9","6","2","9","1") = "8"
    & skf18("7","2","9","6","2","10","1") = "9"
    & skf18("7","2","9","6","3","1","1") = "8"
    & skf18("7","2","9","6","3","2","1") = "8"
    & skf18("7","2","9","6","3","3","1") = "8"
    & skf18("7","2","9","6","3","4","1") = "8"
    & skf18("7","2","9","6","3","5","1") = "8"
    & skf18("7","2","9","6","3","6","1") = "8"
    & skf18("7","2","9","6","3","7","1") = "8"
    & skf18("7","2","9","6","3","8","1") = "8"
    & skf18("7","2","9","6","3","9","1") = "8"
    & skf18("7","2","9","6","3","10","1") = "9"
    & skf18("7","2","9","6","4","1","1") = "8"
    & skf18("7","2","9","6","4","2","1") = "8"
    & skf18("7","2","9","6","4","3","1") = "8"
    & skf18("7","2","9","6","4","4","1") = "8"
    & skf18("7","2","9","6","4","5","1") = "8"
    & skf18("7","2","9","6","4","6","1") = "8"
    & skf18("7","2","9","6","4","7","1") = "8"
    & skf18("7","2","9","6","4","8","1") = "8"
    & skf18("7","2","9","6","4","9","1") = "8"
    & skf18("7","2","9","6","4","10","1") = "9"
    & skf18("7","2","9","6","5","1","1") = "8"
    & skf18("7","2","9","6","5","2","1") = "8"
    & skf18("7","2","9","6","5","3","1") = "8"
    & skf18("7","2","9","6","5","4","1") = "8"
    & skf18("7","2","9","6","5","5","1") = "8"
    & skf18("7","2","9","6","5","6","1") = "8"
    & skf18("7","2","9","6","5","7","1") = "8"
    & skf18("7","2","9","6","5","8","1") = "8"
    & skf18("7","2","9","6","5","9","1") = "8"
    & skf18("7","2","9","6","5","10","1") = "9"
    & skf18("7","2","9","6","6","1","1") = "8"
    & skf18("7","2","9","6","6","2","1") = "8"
    & skf18("7","2","9","6","6","3","1") = "8"
    & skf18("7","2","9","6","6","4","1") = "8"
    & skf18("7","2","9","6","6","5","1") = "8"
    & skf18("7","2","9","6","6","6","1") = "8"
    & skf18("7","2","9","6","6","7","1") = "8"
    & skf18("7","2","9","6","6","8","1") = "8"
    & skf18("7","2","9","6","6","9","1") = "8"
    & skf18("7","2","9","6","6","10","1") = "9"
    & skf18("7","2","9","6","7","1","1") = "8"
    & skf18("7","2","9","6","7","2","1") = "8"
    & skf18("7","2","9","6","7","3","1") = "8"
    & skf18("7","2","9","6","7","4","1") = "8"
    & skf18("7","2","9","6","7","5","1") = "8"
    & skf18("7","2","9","6","7","6","1") = "8"
    & skf18("7","2","9","6","7","7","1") = "8"
    & skf18("7","2","9","6","7","8","1") = "8"
    & skf18("7","2","9","6","7","9","1") = "8"
    & skf18("7","2","9","6","7","10","1") = "9"
    & skf18("7","2","9","6","8","1","1") = "8"
    & skf18("7","2","9","6","8","2","1") = "8"
    & skf18("7","2","9","6","8","3","1") = "8"
    & skf18("7","2","9","6","8","4","1") = "8"
    & skf18("7","2","9","6","8","5","1") = "8"
    & skf18("7","2","9","6","8","6","1") = "8"
    & skf18("7","2","9","6","8","7","1") = "8"
    & skf18("7","2","9","6","8","8","1") = "8"
    & skf18("7","2","9","6","8","9","1") = "8"
    & skf18("7","2","9","6","8","10","1") = "9"
    & skf18("7","2","9","6","9","1","1") = "8"
    & skf18("7","2","9","6","9","2","1") = "8"
    & skf18("7","2","9","6","9","3","1") = "8"
    & skf18("7","2","9","6","9","4","1") = "8"
    & skf18("7","2","9","6","9","5","1") = "8"
    & skf18("7","2","9","6","9","6","1") = "8"
    & skf18("7","2","9","6","9","7","1") = "8"
    & skf18("7","2","9","6","9","8","1") = "8"
    & skf18("7","2","9","6","9","9","1") = "8"
    & skf18("7","2","9","6","9","10","1") = "9"
    & skf18("7","2","9","6","10","1","1") = "9"
    & skf18("7","2","9","6","10","2","1") = "9"
    & skf18("7","2","9","6","10","3","1") = "9"
    & skf18("7","2","9","6","10","4","1") = "9"
    & skf18("7","2","9","6","10","5","1") = "9"
    & skf18("7","2","9","6","10","6","1") = "9"
    & skf18("7","2","9","6","10","7","1") = "9"
    & skf18("7","2","9","6","10","8","1") = "9"
    & skf18("7","2","9","6","10","9","1") = "9"
    & skf18("7","2","9","6","10","10","1") = "9"
    & skf18("7","2","9","7","1","1","1") = "8"
    & skf18("7","2","9","7","1","2","1") = "8"
    & skf18("7","2","9","7","1","3","1") = "8"
    & skf18("7","2","9","7","1","4","1") = "8"
    & skf18("7","2","9","7","1","5","1") = "8"
    & skf18("7","2","9","7","1","6","1") = "8"
    & skf18("7","2","9","7","1","7","1") = "8"
    & skf18("7","2","9","7","1","8","1") = "8"
    & skf18("7","2","9","7","1","9","1") = "8"
    & skf18("7","2","9","7","1","10","1") = "9"
    & skf18("7","2","9","7","2","1","1") = "8"
    & skf18("7","2","9","7","2","2","1") = "8"
    & skf18("7","2","9","7","2","3","1") = "8"
    & skf18("7","2","9","7","2","4","1") = "8"
    & skf18("7","2","9","7","2","5","1") = "8"
    & skf18("7","2","9","7","2","6","1") = "8"
    & skf18("7","2","9","7","2","7","1") = "8"
    & skf18("7","2","9","7","2","8","1") = "8"
    & skf18("7","2","9","7","2","9","1") = "8"
    & skf18("7","2","9","7","2","10","1") = "9"
    & skf18("7","2","9","7","3","1","1") = "8"
    & skf18("7","2","9","7","3","2","1") = "8"
    & skf18("7","2","9","7","3","3","1") = "8"
    & skf18("7","2","9","7","3","4","1") = "8"
    & skf18("7","2","9","7","3","5","1") = "8"
    & skf18("7","2","9","7","3","6","1") = "8"
    & skf18("7","2","9","7","3","7","1") = "8"
    & skf18("7","2","9","7","3","8","1") = "8"
    & skf18("7","2","9","7","3","9","1") = "8"
    & skf18("7","2","9","7","3","10","1") = "9"
    & skf18("7","2","9","7","4","1","1") = "8"
    & skf18("7","2","9","7","4","2","1") = "8"
    & skf18("7","2","9","7","4","3","1") = "8"
    & skf18("7","2","9","7","4","4","1") = "8"
    & skf18("7","2","9","7","4","5","1") = "8"
    & skf18("7","2","9","7","4","6","1") = "8"
    & skf18("7","2","9","7","4","7","1") = "8"
    & skf18("7","2","9","7","4","8","1") = "8"
    & skf18("7","2","9","7","4","9","1") = "8"
    & skf18("7","2","9","7","4","10","1") = "9"
    & skf18("7","2","9","7","5","1","1") = "8"
    & skf18("7","2","9","7","5","2","1") = "8"
    & skf18("7","2","9","7","5","3","1") = "8"
    & skf18("7","2","9","7","5","4","1") = "8"
    & skf18("7","2","9","7","5","5","1") = "8"
    & skf18("7","2","9","7","5","6","1") = "8"
    & skf18("7","2","9","7","5","7","1") = "8"
    & skf18("7","2","9","7","5","8","1") = "8"
    & skf18("7","2","9","7","5","9","1") = "8"
    & skf18("7","2","9","7","5","10","1") = "9"
    & skf18("7","2","9","7","6","1","1") = "8"
    & skf18("7","2","9","7","6","2","1") = "8"
    & skf18("7","2","9","7","6","3","1") = "8"
    & skf18("7","2","9","7","6","4","1") = "8"
    & skf18("7","2","9","7","6","5","1") = "8"
    & skf18("7","2","9","7","6","6","1") = "8"
    & skf18("7","2","9","7","6","7","1") = "8"
    & skf18("7","2","9","7","6","8","1") = "8"
    & skf18("7","2","9","7","6","9","1") = "8"
    & skf18("7","2","9","7","6","10","1") = "9"
    & skf18("7","2","9","7","7","1","1") = "8"
    & skf18("7","2","9","7","7","2","1") = "8"
    & skf18("7","2","9","7","7","3","1") = "8"
    & skf18("7","2","9","7","7","4","1") = "8"
    & skf18("7","2","9","7","7","5","1") = "8"
    & skf18("7","2","9","7","7","6","1") = "8"
    & skf18("7","2","9","7","7","7","1") = "8"
    & skf18("7","2","9","7","7","8","1") = "8"
    & skf18("7","2","9","7","7","9","1") = "8"
    & skf18("7","2","9","7","7","10","1") = "9"
    & skf18("7","2","9","7","8","1","1") = "8"
    & skf18("7","2","9","7","8","2","1") = "8"
    & skf18("7","2","9","7","8","3","1") = "8"
    & skf18("7","2","9","7","8","4","1") = "8"
    & skf18("7","2","9","7","8","5","1") = "8"
    & skf18("7","2","9","7","8","6","1") = "8"
    & skf18("7","2","9","7","8","7","1") = "8"
    & skf18("7","2","9","7","8","8","1") = "8"
    & skf18("7","2","9","7","8","9","1") = "8"
    & skf18("7","2","9","7","8","10","1") = "9"
    & skf18("7","2","9","7","9","1","1") = "8"
    & skf18("7","2","9","7","9","2","1") = "8"
    & skf18("7","2","9","7","9","3","1") = "8"
    & skf18("7","2","9","7","9","4","1") = "8"
    & skf18("7","2","9","7","9","5","1") = "8"
    & skf18("7","2","9","7","9","6","1") = "8"
    & skf18("7","2","9","7","9","7","1") = "8"
    & skf18("7","2","9","7","9","8","1") = "8"
    & skf18("7","2","9","7","9","9","1") = "8"
    & skf18("7","2","9","7","9","10","1") = "9"
    & skf18("7","2","9","7","10","1","1") = "9"
    & skf18("7","2","9","7","10","2","1") = "9"
    & skf18("7","2","9","7","10","3","1") = "9"
    & skf18("7","2","9","7","10","4","1") = "9"
    & skf18("7","2","9","7","10","5","1") = "9"
    & skf18("7","2","9","7","10","6","1") = "9"
    & skf18("7","2","9","7","10","7","1") = "9"
    & skf18("7","2","9","7","10","8","1") = "9"
    & skf18("7","2","9","7","10","9","1") = "9"
    & skf18("7","2","9","7","10","10","1") = "9"
    & skf18("7","2","9","8","1","1","1") = "8"
    & skf18("7","2","9","8","1","2","1") = "8"
    & skf18("7","2","9","8","1","3","1") = "8"
    & skf18("7","2","9","8","1","4","1") = "8"
    & skf18("7","2","9","8","1","5","1") = "8"
    & skf18("7","2","9","8","1","6","1") = "8"
    & skf18("7","2","9","8","1","7","1") = "8"
    & skf18("7","2","9","8","1","8","1") = "8"
    & skf18("7","2","9","8","1","9","1") = "8"
    & skf18("7","2","9","8","1","10","1") = "9"
    & skf18("7","2","9","8","2","1","1") = "8"
    & skf18("7","2","9","8","2","2","1") = "8"
    & skf18("7","2","9","8","2","3","1") = "8"
    & skf18("7","2","9","8","2","4","1") = "8"
    & skf18("7","2","9","8","2","5","1") = "8"
    & skf18("7","2","9","8","2","6","1") = "8"
    & skf18("7","2","9","8","2","7","1") = "8"
    & skf18("7","2","9","8","2","8","1") = "8"
    & skf18("7","2","9","8","2","9","1") = "8"
    & skf18("7","2","9","8","2","10","1") = "9"
    & skf18("7","2","9","8","3","1","1") = "8"
    & skf18("7","2","9","8","3","2","1") = "8"
    & skf18("7","2","9","8","3","3","1") = "8"
    & skf18("7","2","9","8","3","4","1") = "8"
    & skf18("7","2","9","8","3","5","1") = "8"
    & skf18("7","2","9","8","3","6","1") = "8"
    & skf18("7","2","9","8","3","7","1") = "8"
    & skf18("7","2","9","8","3","8","1") = "8"
    & skf18("7","2","9","8","3","9","1") = "8"
    & skf18("7","2","9","8","3","10","1") = "9"
    & skf18("7","2","9","8","4","1","1") = "8"
    & skf18("7","2","9","8","4","2","1") = "8"
    & skf18("7","2","9","8","4","3","1") = "8"
    & skf18("7","2","9","8","4","4","1") = "8"
    & skf18("7","2","9","8","4","5","1") = "8"
    & skf18("7","2","9","8","4","6","1") = "8"
    & skf18("7","2","9","8","4","7","1") = "8"
    & skf18("7","2","9","8","4","8","1") = "8"
    & skf18("7","2","9","8","4","9","1") = "8"
    & skf18("7","2","9","8","4","10","1") = "9"
    & skf18("7","2","9","8","5","1","1") = "8"
    & skf18("7","2","9","8","5","2","1") = "8"
    & skf18("7","2","9","8","5","3","1") = "8"
    & skf18("7","2","9","8","5","4","1") = "8"
    & skf18("7","2","9","8","5","5","1") = "8"
    & skf18("7","2","9","8","5","6","1") = "8"
    & skf18("7","2","9","8","5","7","1") = "8"
    & skf18("7","2","9","8","5","8","1") = "8"
    & skf18("7","2","9","8","5","9","1") = "8"
    & skf18("7","2","9","8","5","10","1") = "9"
    & skf18("7","2","9","8","6","1","1") = "8"
    & skf18("7","2","9","8","6","2","1") = "8"
    & skf18("7","2","9","8","6","3","1") = "8"
    & skf18("7","2","9","8","6","4","1") = "8"
    & skf18("7","2","9","8","6","5","1") = "8"
    & skf18("7","2","9","8","6","6","1") = "8"
    & skf18("7","2","9","8","6","7","1") = "8"
    & skf18("7","2","9","8","6","8","1") = "8"
    & skf18("7","2","9","8","6","9","1") = "8"
    & skf18("7","2","9","8","6","10","1") = "9"
    & skf18("7","2","9","8","7","1","1") = "8"
    & skf18("7","2","9","8","7","2","1") = "8"
    & skf18("7","2","9","8","7","3","1") = "8"
    & skf18("7","2","9","8","7","4","1") = "8"
    & skf18("7","2","9","8","7","5","1") = "8"
    & skf18("7","2","9","8","7","6","1") = "8"
    & skf18("7","2","9","8","7","7","1") = "8"
    & skf18("7","2","9","8","7","8","1") = "8"
    & skf18("7","2","9","8","7","9","1") = "8"
    & skf18("7","2","9","8","7","10","1") = "9"
    & skf18("7","2","9","8","8","1","1") = "8"
    & skf18("7","2","9","8","8","2","1") = "8"
    & skf18("7","2","9","8","8","3","1") = "8"
    & skf18("7","2","9","8","8","4","1") = "8"
    & skf18("7","2","9","8","8","5","1") = "8"
    & skf18("7","2","9","8","8","6","1") = "8"
    & skf18("7","2","9","8","8","7","1") = "8"
    & skf18("7","2","9","8","8","8","1") = "8"
    & skf18("7","2","9","8","8","9","1") = "8"
    & skf18("7","2","9","8","8","10","1") = "9"
    & skf18("7","2","9","8","9","1","1") = "8"
    & skf18("7","2","9","8","9","2","1") = "8"
    & skf18("7","2","9","8","9","3","1") = "8"
    & skf18("7","2","9","8","9","4","1") = "8"
    & skf18("7","2","9","8","9","5","1") = "8"
    & skf18("7","2","9","8","9","6","1") = "8"
    & skf18("7","2","9","8","9","7","1") = "8"
    & skf18("7","2","9","8","9","8","1") = "8"
    & skf18("7","2","9","8","9","9","1") = "8"
    & skf18("7","2","9","8","9","10","1") = "9"
    & skf18("7","2","9","8","10","1","1") = "9"
    & skf18("7","2","9","8","10","2","1") = "9"
    & skf18("7","2","9","8","10","3","1") = "9"
    & skf18("7","2","9","8","10","4","1") = "9"
    & skf18("7","2","9","8","10","5","1") = "9"
    & skf18("7","2","9","8","10","6","1") = "9"
    & skf18("7","2","9","8","10","7","1") = "9"
    & skf18("7","2","9","8","10","8","1") = "9"
    & skf18("7","2","9","8","10","9","1") = "9"
    & skf18("7","2","9","8","10","10","1") = "9"
    & skf18("7","2","9","9","1","1","1") = "8"
    & skf18("7","2","9","9","1","2","1") = "8"
    & skf18("7","2","9","9","1","3","1") = "8"
    & skf18("7","2","9","9","1","4","1") = "8"
    & skf18("7","2","9","9","1","5","1") = "8"
    & skf18("7","2","9","9","1","6","1") = "8"
    & skf18("7","2","9","9","1","7","1") = "8"
    & skf18("7","2","9","9","1","8","1") = "8"
    & skf18("7","2","9","9","1","9","1") = "8"
    & skf18("7","2","9","9","1","10","1") = "9"
    & skf18("7","2","9","9","2","1","1") = "8"
    & skf18("7","2","9","9","2","2","1") = "8"
    & skf18("7","2","9","9","2","3","1") = "8"
    & skf18("7","2","9","9","2","4","1") = "8"
    & skf18("7","2","9","9","2","5","1") = "8"
    & skf18("7","2","9","9","2","6","1") = "8"
    & skf18("7","2","9","9","2","7","1") = "8"
    & skf18("7","2","9","9","2","8","1") = "8"
    & skf18("7","2","9","9","2","9","1") = "8"
    & skf18("7","2","9","9","2","10","1") = "9"
    & skf18("7","2","9","9","3","1","1") = "8"
    & skf18("7","2","9","9","3","2","1") = "8"
    & skf18("7","2","9","9","3","3","1") = "8"
    & skf18("7","2","9","9","3","4","1") = "8"
    & skf18("7","2","9","9","3","5","1") = "8"
    & skf18("7","2","9","9","3","6","1") = "8"
    & skf18("7","2","9","9","3","7","1") = "8"
    & skf18("7","2","9","9","3","8","1") = "8"
    & skf18("7","2","9","9","3","9","1") = "8"
    & skf18("7","2","9","9","3","10","1") = "9"
    & skf18("7","2","9","9","4","1","1") = "8"
    & skf18("7","2","9","9","4","2","1") = "8"
    & skf18("7","2","9","9","4","3","1") = "8"
    & skf18("7","2","9","9","4","4","1") = "8"
    & skf18("7","2","9","9","4","5","1") = "8"
    & skf18("7","2","9","9","4","6","1") = "8"
    & skf18("7","2","9","9","4","7","1") = "8"
    & skf18("7","2","9","9","4","8","1") = "8"
    & skf18("7","2","9","9","4","9","1") = "8"
    & skf18("7","2","9","9","4","10","1") = "9"
    & skf18("7","2","9","9","5","1","1") = "8"
    & skf18("7","2","9","9","5","2","1") = "8"
    & skf18("7","2","9","9","5","3","1") = "8"
    & skf18("7","2","9","9","5","4","1") = "8"
    & skf18("7","2","9","9","5","5","1") = "8"
    & skf18("7","2","9","9","5","6","1") = "8"
    & skf18("7","2","9","9","5","7","1") = "8"
    & skf18("7","2","9","9","5","8","1") = "8"
    & skf18("7","2","9","9","5","9","1") = "8"
    & skf18("7","2","9","9","5","10","1") = "9"
    & skf18("7","2","9","9","6","1","1") = "8"
    & skf18("7","2","9","9","6","2","1") = "8"
    & skf18("7","2","9","9","6","3","1") = "8"
    & skf18("7","2","9","9","6","4","1") = "8"
    & skf18("7","2","9","9","6","5","1") = "8"
    & skf18("7","2","9","9","6","6","1") = "8"
    & skf18("7","2","9","9","6","7","1") = "8"
    & skf18("7","2","9","9","6","8","1") = "8"
    & skf18("7","2","9","9","6","9","1") = "8"
    & skf18("7","2","9","9","6","10","1") = "9"
    & skf18("7","2","9","9","7","1","1") = "8"
    & skf18("7","2","9","9","7","2","1") = "8"
    & skf18("7","2","9","9","7","3","1") = "8"
    & skf18("7","2","9","9","7","4","1") = "8"
    & skf18("7","2","9","9","7","5","1") = "8"
    & skf18("7","2","9","9","7","6","1") = "8"
    & skf18("7","2","9","9","7","7","1") = "8"
    & skf18("7","2","9","9","7","8","1") = "8"
    & skf18("7","2","9","9","7","9","1") = "8"
    & skf18("7","2","9","9","7","10","1") = "9"
    & skf18("7","2","9","9","8","1","1") = "8"
    & skf18("7","2","9","9","8","2","1") = "8"
    & skf18("7","2","9","9","8","3","1") = "8"
    & skf18("7","2","9","9","8","4","1") = "8"
    & skf18("7","2","9","9","8","5","1") = "8"
    & skf18("7","2","9","9","8","6","1") = "8"
    & skf18("7","2","9","9","8","7","1") = "8"
    & skf18("7","2","9","9","8","8","1") = "8"
    & skf18("7","2","9","9","8","9","1") = "8"
    & skf18("7","2","9","9","8","10","1") = "9"
    & skf18("7","2","9","9","9","1","1") = "8"
    & skf18("7","2","9","9","9","2","1") = "8"
    & skf18("7","2","9","9","9","3","1") = "8"
    & skf18("7","2","9","9","9","4","1") = "8"
    & skf18("7","2","9","9","9","5","1") = "8"
    & skf18("7","2","9","9","9","6","1") = "8"
    & skf18("7","2","9","9","9","7","1") = "8"
    & skf18("7","2","9","9","9","8","1") = "8"
    & skf18("7","2","9","9","9","9","1") = "8"
    & skf18("7","2","9","9","9","10","1") = "9"
    & skf18("7","2","9","9","10","1","1") = "9"
    & skf18("7","2","9","9","10","2","1") = "9"
    & skf18("7","2","9","9","10","3","1") = "9"
    & skf18("7","2","9","9","10","4","1") = "9"
    & skf18("7","2","9","9","10","5","1") = "9"
    & skf18("7","2","9","9","10","6","1") = "9"
    & skf18("7","2","9","9","10","7","1") = "9"
    & skf18("7","2","9","9","10","8","1") = "9"
    & skf18("7","2","9","9","10","9","1") = "9"
    & skf18("7","2","9","9","10","10","1") = "9"
    & skf18("7","2","9","10","1","1","1") = "9"
    & skf18("7","2","9","10","1","2","1") = "9"
    & skf18("7","2","9","10","1","3","1") = "9"
    & skf18("7","2","9","10","1","4","1") = "9"
    & skf18("7","2","9","10","1","5","1") = "9"
    & skf18("7","2","9","10","1","6","1") = "9"
    & skf18("7","2","9","10","1","7","1") = "9"
    & skf18("7","2","9","10","1","8","1") = "9"
    & skf18("7","2","9","10","1","9","1") = "9"
    & skf18("7","2","9","10","1","10","1") = "9"
    & skf18("7","2","9","10","2","1","1") = "9"
    & skf18("7","2","9","10","2","2","1") = "9"
    & skf18("7","2","9","10","2","3","1") = "9"
    & skf18("7","2","9","10","2","4","1") = "9"
    & skf18("7","2","9","10","2","5","1") = "9"
    & skf18("7","2","9","10","2","6","1") = "9"
    & skf18("7","2","9","10","2","7","1") = "9"
    & skf18("7","2","9","10","2","8","1") = "9"
    & skf18("7","2","9","10","2","9","1") = "9"
    & skf18("7","2","9","10","2","10","1") = "9"
    & skf18("7","2","9","10","3","1","1") = "9"
    & skf18("7","2","9","10","3","2","1") = "9"
    & skf18("7","2","9","10","3","3","1") = "9"
    & skf18("7","2","9","10","3","4","1") = "9"
    & skf18("7","2","9","10","3","5","1") = "9"
    & skf18("7","2","9","10","3","6","1") = "9"
    & skf18("7","2","9","10","3","7","1") = "9"
    & skf18("7","2","9","10","3","8","1") = "9"
    & skf18("7","2","9","10","3","9","1") = "9"
    & skf18("7","2","9","10","3","10","1") = "9"
    & skf18("7","2","9","10","4","1","1") = "9"
    & skf18("7","2","9","10","4","2","1") = "9"
    & skf18("7","2","9","10","4","3","1") = "9"
    & skf18("7","2","9","10","4","4","1") = "9"
    & skf18("7","2","9","10","4","5","1") = "9"
    & skf18("7","2","9","10","4","6","1") = "9"
    & skf18("7","2","9","10","4","7","1") = "9"
    & skf18("7","2","9","10","4","8","1") = "9"
    & skf18("7","2","9","10","4","9","1") = "9"
    & skf18("7","2","9","10","4","10","1") = "9"
    & skf18("7","2","9","10","5","1","1") = "9"
    & skf18("7","2","9","10","5","2","1") = "9"
    & skf18("7","2","9","10","5","3","1") = "9"
    & skf18("7","2","9","10","5","4","1") = "9"
    & skf18("7","2","9","10","5","5","1") = "9"
    & skf18("7","2","9","10","5","6","1") = "9"
    & skf18("7","2","9","10","5","7","1") = "9"
    & skf18("7","2","9","10","5","8","1") = "9"
    & skf18("7","2","9","10","5","9","1") = "9"
    & skf18("7","2","9","10","5","10","1") = "9"
    & skf18("7","2","9","10","6","1","1") = "9"
    & skf18("7","2","9","10","6","2","1") = "9"
    & skf18("7","2","9","10","6","3","1") = "9"
    & skf18("7","2","9","10","6","4","1") = "9"
    & skf18("7","2","9","10","6","5","1") = "9"
    & skf18("7","2","9","10","6","6","1") = "9"
    & skf18("7","2","9","10","6","7","1") = "9"
    & skf18("7","2","9","10","6","8","1") = "9"
    & skf18("7","2","9","10","6","9","1") = "9"
    & skf18("7","2","9","10","6","10","1") = "9"
    & skf18("7","2","9","10","7","1","1") = "9"
    & skf18("7","2","9","10","7","2","1") = "9"
    & skf18("7","2","9","10","7","3","1") = "9"
    & skf18("7","2","9","10","7","4","1") = "9"
    & skf18("7","2","9","10","7","5","1") = "9"
    & skf18("7","2","9","10","7","6","1") = "9"
    & skf18("7","2","9","10","7","7","1") = "9"
    & skf18("7","2","9","10","7","8","1") = "9"
    & skf18("7","2","9","10","7","9","1") = "9"
    & skf18("7","2","9","10","7","10","1") = "9"
    & skf18("7","2","9","10","8","1","1") = "9"
    & skf18("7","2","9","10","8","2","1") = "9"
    & skf18("7","2","9","10","8","3","1") = "9"
    & skf18("7","2","9","10","8","4","1") = "9"
    & skf18("7","2","9","10","8","5","1") = "9"
    & skf18("7","2","9","10","8","6","1") = "9"
    & skf18("7","2","9","10","8","7","1") = "9"
    & skf18("7","2","9","10","8","8","1") = "9"
    & skf18("7","2","9","10","8","9","1") = "9"
    & skf18("7","2","9","10","8","10","1") = "9"
    & skf18("7","2","9","10","9","1","1") = "9"
    & skf18("7","2","9","10","9","2","1") = "9"
    & skf18("7","2","9","10","9","3","1") = "9"
    & skf18("7","2","9","10","9","4","1") = "9"
    & skf18("7","2","9","10","9","5","1") = "9"
    & skf18("7","2","9","10","9","6","1") = "9"
    & skf18("7","2","9","10","9","7","1") = "9"
    & skf18("7","2","9","10","9","8","1") = "9"
    & skf18("7","2","9","10","9","9","1") = "9"
    & skf18("7","2","9","10","9","10","1") = "9"
    & skf18("7","2","9","10","10","1","1") = "9"
    & skf18("7","2","9","10","10","2","1") = "9"
    & skf18("7","2","9","10","10","3","1") = "9"
    & skf18("7","2","9","10","10","4","1") = "9"
    & skf18("7","2","9","10","10","5","1") = "9"
    & skf18("7","2","9","10","10","6","1") = "9"
    & skf18("7","2","9","10","10","7","1") = "9"
    & skf18("7","2","9","10","10","8","1") = "9"
    & skf18("7","2","9","10","10","9","1") = "9"
    & skf18("7","2","9","10","10","10","1") = "9"
    & skf18("7","2","10","1","1","1","1") = "9"
    & skf18("7","2","10","1","1","2","1") = "9"
    & skf18("7","2","10","1","1","3","1") = "9"
    & skf18("7","2","10","1","1","4","1") = "9"
    & skf18("7","2","10","1","1","5","1") = "9"
    & skf18("7","2","10","1","1","6","1") = "9"
    & skf18("7","2","10","1","1","7","1") = "9"
    & skf18("7","2","10","1","1","8","1") = "9"
    & skf18("7","2","10","1","1","9","1") = "9"
    & skf18("7","2","10","1","1","10","1") = "9"
    & skf18("7","2","10","1","2","1","1") = "9"
    & skf18("7","2","10","1","2","2","1") = "9"
    & skf18("7","2","10","1","2","3","1") = "9"
    & skf18("7","2","10","1","2","4","1") = "9"
    & skf18("7","2","10","1","2","5","1") = "9"
    & skf18("7","2","10","1","2","6","1") = "9"
    & skf18("7","2","10","1","2","7","1") = "9"
    & skf18("7","2","10","1","2","8","1") = "9"
    & skf18("7","2","10","1","2","9","1") = "9"
    & skf18("7","2","10","1","2","10","1") = "9"
    & skf18("7","2","10","1","3","1","1") = "9"
    & skf18("7","2","10","1","3","2","1") = "9"
    & skf18("7","2","10","1","3","3","1") = "9"
    & skf18("7","2","10","1","3","4","1") = "9"
    & skf18("7","2","10","1","3","5","1") = "9"
    & skf18("7","2","10","1","3","6","1") = "9"
    & skf18("7","2","10","1","3","7","1") = "9"
    & skf18("7","2","10","1","3","8","1") = "9"
    & skf18("7","2","10","1","3","9","1") = "9"
    & skf18("7","2","10","1","3","10","1") = "9"
    & skf18("7","2","10","1","4","1","1") = "9"
    & skf18("7","2","10","1","4","2","1") = "9"
    & skf18("7","2","10","1","4","3","1") = "9"
    & skf18("7","2","10","1","4","4","1") = "9"
    & skf18("7","2","10","1","4","5","1") = "9"
    & skf18("7","2","10","1","4","6","1") = "9"
    & skf18("7","2","10","1","4","7","1") = "9"
    & skf18("7","2","10","1","4","8","1") = "9"
    & skf18("7","2","10","1","4","9","1") = "9"
    & skf18("7","2","10","1","4","10","1") = "9"
    & skf18("7","2","10","1","5","1","1") = "9"
    & skf18("7","2","10","1","5","2","1") = "9"
    & skf18("7","2","10","1","5","3","1") = "9"
    & skf18("7","2","10","1","5","4","1") = "9"
    & skf18("7","2","10","1","5","5","1") = "9"
    & skf18("7","2","10","1","5","6","1") = "9"
    & skf18("7","2","10","1","5","7","1") = "9"
    & skf18("7","2","10","1","5","8","1") = "9"
    & skf18("7","2","10","1","5","9","1") = "9"
    & skf18("7","2","10","1","5","10","1") = "9"
    & skf18("7","2","10","1","6","1","1") = "9"
    & skf18("7","2","10","1","6","2","1") = "9"
    & skf18("7","2","10","1","6","3","1") = "9"
    & skf18("7","2","10","1","6","4","1") = "9"
    & skf18("7","2","10","1","6","5","1") = "9"
    & skf18("7","2","10","1","6","6","1") = "9"
    & skf18("7","2","10","1","6","7","1") = "9"
    & skf18("7","2","10","1","6","8","1") = "9"
    & skf18("7","2","10","1","6","9","1") = "9"
    & skf18("7","2","10","1","6","10","1") = "9"
    & skf18("7","2","10","1","7","1","1") = "9"
    & skf18("7","2","10","1","7","2","1") = "9"
    & skf18("7","2","10","1","7","3","1") = "9"
    & skf18("7","2","10","1","7","4","1") = "9"
    & skf18("7","2","10","1","7","5","1") = "9"
    & skf18("7","2","10","1","7","6","1") = "9"
    & skf18("7","2","10","1","7","7","1") = "9"
    & skf18("7","2","10","1","7","8","1") = "9"
    & skf18("7","2","10","1","7","9","1") = "9"
    & skf18("7","2","10","1","7","10","1") = "9"
    & skf18("7","2","10","1","8","1","1") = "9"
    & skf18("7","2","10","1","8","2","1") = "9"
    & skf18("7","2","10","1","8","3","1") = "9"
    & skf18("7","2","10","1","8","4","1") = "9"
    & skf18("7","2","10","1","8","5","1") = "9"
    & skf18("7","2","10","1","8","6","1") = "9"
    & skf18("7","2","10","1","8","7","1") = "9"
    & skf18("7","2","10","1","8","8","1") = "9"
    & skf18("7","2","10","1","8","9","1") = "9"
    & skf18("7","2","10","1","8","10","1") = "9"
    & skf18("7","2","10","1","9","1","1") = "9"
    & skf18("7","2","10","1","9","2","1") = "9"
    & skf18("7","2","10","1","9","3","1") = "9"
    & skf18("7","2","10","1","9","4","1") = "9"
    & skf18("7","2","10","1","9","5","1") = "9"
    & skf18("7","2","10","1","9","6","1") = "9"
    & skf18("7","2","10","1","9","7","1") = "9"
    & skf18("7","2","10","1","9","8","1") = "9"
    & skf18("7","2","10","1","9","9","1") = "9"
    & skf18("7","2","10","1","9","10","1") = "9"
    & skf18("7","2","10","1","10","1","1") = "9"
    & skf18("7","2","10","1","10","2","1") = "9"
    & skf18("7","2","10","1","10","3","1") = "9"
    & skf18("7","2","10","1","10","4","1") = "9"
    & skf18("7","2","10","1","10","5","1") = "9"
    & skf18("7","2","10","1","10","6","1") = "9"
    & skf18("7","2","10","1","10","7","1") = "9"
    & skf18("7","2","10","1","10","8","1") = "9"
    & skf18("7","2","10","1","10","9","1") = "9"
    & skf18("7","2","10","1","10","10","1") = "9"
    & skf18("7","2","10","2","1","1","1") = "9"
    & skf18("7","2","10","2","1","2","1") = "9"
    & skf18("7","2","10","2","1","3","1") = "9"
    & skf18("7","2","10","2","1","4","1") = "9"
    & skf18("7","2","10","2","1","5","1") = "9"
    & skf18("7","2","10","2","1","6","1") = "9"
    & skf18("7","2","10","2","1","7","1") = "9"
    & skf18("7","2","10","2","1","8","1") = "9"
    & skf18("7","2","10","2","1","9","1") = "9"
    & skf18("7","2","10","2","1","10","1") = "9"
    & skf18("7","2","10","2","2","1","1") = "9"
    & skf18("7","2","10","2","2","2","1") = "9"
    & skf18("7","2","10","2","2","3","1") = "9"
    & skf18("7","2","10","2","2","4","1") = "9"
    & skf18("7","2","10","2","2","5","1") = "9"
    & skf18("7","2","10","2","2","6","1") = "9"
    & skf18("7","2","10","2","2","7","1") = "9"
    & skf18("7","2","10","2","2","8","1") = "9"
    & skf18("7","2","10","2","2","9","1") = "9"
    & skf18("7","2","10","2","2","10","1") = "9"
    & skf18("7","2","10","2","3","1","1") = "9"
    & skf18("7","2","10","2","3","2","1") = "9"
    & skf18("7","2","10","2","3","3","1") = "9"
    & skf18("7","2","10","2","3","4","1") = "9"
    & skf18("7","2","10","2","3","5","1") = "9"
    & skf18("7","2","10","2","3","6","1") = "9"
    & skf18("7","2","10","2","3","7","1") = "9"
    & skf18("7","2","10","2","3","8","1") = "9"
    & skf18("7","2","10","2","3","9","1") = "9"
    & skf18("7","2","10","2","3","10","1") = "9"
    & skf18("7","2","10","2","4","1","1") = "9"
    & skf18("7","2","10","2","4","2","1") = "9"
    & skf18("7","2","10","2","4","3","1") = "9"
    & skf18("7","2","10","2","4","4","1") = "9"
    & skf18("7","2","10","2","4","5","1") = "9"
    & skf18("7","2","10","2","4","6","1") = "9"
    & skf18("7","2","10","2","4","7","1") = "9"
    & skf18("7","2","10","2","4","8","1") = "9"
    & skf18("7","2","10","2","4","9","1") = "9"
    & skf18("7","2","10","2","4","10","1") = "9"
    & skf18("7","2","10","2","5","1","1") = "9"
    & skf18("7","2","10","2","5","2","1") = "9"
    & skf18("7","2","10","2","5","3","1") = "9"
    & skf18("7","2","10","2","5","4","1") = "9"
    & skf18("7","2","10","2","5","5","1") = "9"
    & skf18("7","2","10","2","5","6","1") = "9"
    & skf18("7","2","10","2","5","7","1") = "9"
    & skf18("7","2","10","2","5","8","1") = "9"
    & skf18("7","2","10","2","5","9","1") = "9"
    & skf18("7","2","10","2","5","10","1") = "9"
    & skf18("7","2","10","2","6","1","1") = "9"
    & skf18("7","2","10","2","6","2","1") = "9"
    & skf18("7","2","10","2","6","3","1") = "9"
    & skf18("7","2","10","2","6","4","1") = "9"
    & skf18("7","2","10","2","6","5","1") = "9"
    & skf18("7","2","10","2","6","6","1") = "9"
    & skf18("7","2","10","2","6","7","1") = "9"
    & skf18("7","2","10","2","6","8","1") = "9"
    & skf18("7","2","10","2","6","9","1") = "9"
    & skf18("7","2","10","2","6","10","1") = "9"
    & skf18("7","2","10","2","7","1","1") = "9"
    & skf18("7","2","10","2","7","2","1") = "9"
    & skf18("7","2","10","2","7","3","1") = "9"
    & skf18("7","2","10","2","7","4","1") = "9"
    & skf18("7","2","10","2","7","5","1") = "9"
    & skf18("7","2","10","2","7","6","1") = "9"
    & skf18("7","2","10","2","7","7","1") = "9"
    & skf18("7","2","10","2","7","8","1") = "9"
    & skf18("7","2","10","2","7","9","1") = "9"
    & skf18("7","2","10","2","7","10","1") = "9"
    & skf18("7","2","10","2","8","1","1") = "9"
    & skf18("7","2","10","2","8","2","1") = "9"
    & skf18("7","2","10","2","8","3","1") = "9"
    & skf18("7","2","10","2","8","4","1") = "9"
    & skf18("7","2","10","2","8","5","1") = "9"
    & skf18("7","2","10","2","8","6","1") = "9"
    & skf18("7","2","10","2","8","7","1") = "9"
    & skf18("7","2","10","2","8","8","1") = "9"
    & skf18("7","2","10","2","8","9","1") = "9"
    & skf18("7","2","10","2","8","10","1") = "9"
    & skf18("7","2","10","2","9","1","1") = "9"
    & skf18("7","2","10","2","9","2","1") = "9"
    & skf18("7","2","10","2","9","3","1") = "9"
    & skf18("7","2","10","2","9","4","1") = "9"
    & skf18("7","2","10","2","9","5","1") = "9"
    & skf18("7","2","10","2","9","6","1") = "9"
    & skf18("7","2","10","2","9","7","1") = "9"
    & skf18("7","2","10","2","9","8","1") = "9"
    & skf18("7","2","10","2","9","9","1") = "9"
    & skf18("7","2","10","2","9","10","1") = "9"
    & skf18("7","2","10","2","10","1","1") = "9"
    & skf18("7","2","10","2","10","2","1") = "9"
    & skf18("7","2","10","2","10","3","1") = "9"
    & skf18("7","2","10","2","10","4","1") = "9"
    & skf18("7","2","10","2","10","5","1") = "9"
    & skf18("7","2","10","2","10","6","1") = "9"
    & skf18("7","2","10","2","10","7","1") = "9"
    & skf18("7","2","10","2","10","8","1") = "9"
    & skf18("7","2","10","2","10","9","1") = "9"
    & skf18("7","2","10","2","10","10","1") = "9"
    & skf18("7","2","10","3","1","1","1") = "9"
    & skf18("7","2","10","3","1","2","1") = "9"
    & skf18("7","2","10","3","1","3","1") = "9"
    & skf18("7","2","10","3","1","4","1") = "9"
    & skf18("7","2","10","3","1","5","1") = "9"
    & skf18("7","2","10","3","1","6","1") = "9"
    & skf18("7","2","10","3","1","7","1") = "9"
    & skf18("7","2","10","3","1","8","1") = "9"
    & skf18("7","2","10","3","1","9","1") = "9"
    & skf18("7","2","10","3","1","10","1") = "9"
    & skf18("7","2","10","3","2","1","1") = "9"
    & skf18("7","2","10","3","2","2","1") = "9"
    & skf18("7","2","10","3","2","3","1") = "9"
    & skf18("7","2","10","3","2","4","1") = "9"
    & skf18("7","2","10","3","2","5","1") = "9"
    & skf18("7","2","10","3","2","6","1") = "9"
    & skf18("7","2","10","3","2","7","1") = "9"
    & skf18("7","2","10","3","2","8","1") = "9"
    & skf18("7","2","10","3","2","9","1") = "9"
    & skf18("7","2","10","3","2","10","1") = "9"
    & skf18("7","2","10","3","3","1","1") = "9"
    & skf18("7","2","10","3","3","2","1") = "9"
    & skf18("7","2","10","3","3","3","1") = "9"
    & skf18("7","2","10","3","3","4","1") = "9"
    & skf18("7","2","10","3","3","5","1") = "9"
    & skf18("7","2","10","3","3","6","1") = "9"
    & skf18("7","2","10","3","3","7","1") = "9"
    & skf18("7","2","10","3","3","8","1") = "9"
    & skf18("7","2","10","3","3","9","1") = "9"
    & skf18("7","2","10","3","3","10","1") = "9"
    & skf18("7","2","10","3","4","1","1") = "9"
    & skf18("7","2","10","3","4","2","1") = "9"
    & skf18("7","2","10","3","4","3","1") = "9"
    & skf18("7","2","10","3","4","4","1") = "9"
    & skf18("7","2","10","3","4","5","1") = "9"
    & skf18("7","2","10","3","4","6","1") = "9"
    & skf18("7","2","10","3","4","7","1") = "9"
    & skf18("7","2","10","3","4","8","1") = "9"
    & skf18("7","2","10","3","4","9","1") = "9"
    & skf18("7","2","10","3","4","10","1") = "9"
    & skf18("7","2","10","3","5","1","1") = "9"
    & skf18("7","2","10","3","5","2","1") = "9"
    & skf18("7","2","10","3","5","3","1") = "9"
    & skf18("7","2","10","3","5","4","1") = "9"
    & skf18("7","2","10","3","5","5","1") = "9"
    & skf18("7","2","10","3","5","6","1") = "9"
    & skf18("7","2","10","3","5","7","1") = "9"
    & skf18("7","2","10","3","5","8","1") = "9"
    & skf18("7","2","10","3","5","9","1") = "9"
    & skf18("7","2","10","3","5","10","1") = "9"
    & skf18("7","2","10","3","6","1","1") = "9"
    & skf18("7","2","10","3","6","2","1") = "9"
    & skf18("7","2","10","3","6","3","1") = "9"
    & skf18("7","2","10","3","6","4","1") = "9"
    & skf18("7","2","10","3","6","5","1") = "9"
    & skf18("7","2","10","3","6","6","1") = "9"
    & skf18("7","2","10","3","6","7","1") = "9"
    & skf18("7","2","10","3","6","8","1") = "9"
    & skf18("7","2","10","3","6","9","1") = "9"
    & skf18("7","2","10","3","6","10","1") = "9"
    & skf18("7","2","10","3","7","1","1") = "9"
    & skf18("7","2","10","3","7","2","1") = "9"
    & skf18("7","2","10","3","7","3","1") = "9"
    & skf18("7","2","10","3","7","4","1") = "9"
    & skf18("7","2","10","3","7","5","1") = "9"
    & skf18("7","2","10","3","7","6","1") = "9"
    & skf18("7","2","10","3","7","7","1") = "9"
    & skf18("7","2","10","3","7","8","1") = "9"
    & skf18("7","2","10","3","7","9","1") = "9"
    & skf18("7","2","10","3","7","10","1") = "9"
    & skf18("7","2","10","3","8","1","1") = "9"
    & skf18("7","2","10","3","8","2","1") = "9"
    & skf18("7","2","10","3","8","3","1") = "9"
    & skf18("7","2","10","3","8","4","1") = "9"
    & skf18("7","2","10","3","8","5","1") = "9"
    & skf18("7","2","10","3","8","6","1") = "9"
    & skf18("7","2","10","3","8","7","1") = "9"
    & skf18("7","2","10","3","8","8","1") = "9"
    & skf18("7","2","10","3","8","9","1") = "9"
    & skf18("7","2","10","3","8","10","1") = "9"
    & skf18("7","2","10","3","9","1","1") = "9"
    & skf18("7","2","10","3","9","2","1") = "9"
    & skf18("7","2","10","3","9","3","1") = "9"
    & skf18("7","2","10","3","9","4","1") = "9"
    & skf18("7","2","10","3","9","5","1") = "9"
    & skf18("7","2","10","3","9","6","1") = "9"
    & skf18("7","2","10","3","9","7","1") = "9"
    & skf18("7","2","10","3","9","8","1") = "9"
    & skf18("7","2","10","3","9","9","1") = "9"
    & skf18("7","2","10","3","9","10","1") = "9"
    & skf18("7","2","10","3","10","1","1") = "9"
    & skf18("7","2","10","3","10","2","1") = "9"
    & skf18("7","2","10","3","10","3","1") = "9"
    & skf18("7","2","10","3","10","4","1") = "9"
    & skf18("7","2","10","3","10","5","1") = "9"
    & skf18("7","2","10","3","10","6","1") = "9"
    & skf18("7","2","10","3","10","7","1") = "9"
    & skf18("7","2","10","3","10","8","1") = "9"
    & skf18("7","2","10","3","10","9","1") = "9"
    & skf18("7","2","10","3","10","10","1") = "9"
    & skf18("7","2","10","4","1","1","1") = "9"
    & skf18("7","2","10","4","1","2","1") = "9"
    & skf18("7","2","10","4","1","3","1") = "9"
    & skf18("7","2","10","4","1","4","1") = "9"
    & skf18("7","2","10","4","1","5","1") = "9"
    & skf18("7","2","10","4","1","6","1") = "9"
    & skf18("7","2","10","4","1","7","1") = "9"
    & skf18("7","2","10","4","1","8","1") = "9"
    & skf18("7","2","10","4","1","9","1") = "9"
    & skf18("7","2","10","4","1","10","1") = "9"
    & skf18("7","2","10","4","2","1","1") = "9"
    & skf18("7","2","10","4","2","2","1") = "9"
    & skf18("7","2","10","4","2","3","1") = "9"
    & skf18("7","2","10","4","2","4","1") = "9"
    & skf18("7","2","10","4","2","5","1") = "9"
    & skf18("7","2","10","4","2","6","1") = "9"
    & skf18("7","2","10","4","2","7","1") = "9"
    & skf18("7","2","10","4","2","8","1") = "9"
    & skf18("7","2","10","4","2","9","1") = "9"
    & skf18("7","2","10","4","2","10","1") = "9"
    & skf18("7","2","10","4","3","1","1") = "9"
    & skf18("7","2","10","4","3","2","1") = "9"
    & skf18("7","2","10","4","3","3","1") = "9"
    & skf18("7","2","10","4","3","4","1") = "9"
    & skf18("7","2","10","4","3","5","1") = "9"
    & skf18("7","2","10","4","3","6","1") = "9"
    & skf18("7","2","10","4","3","7","1") = "9"
    & skf18("7","2","10","4","3","8","1") = "9"
    & skf18("7","2","10","4","3","9","1") = "9"
    & skf18("7","2","10","4","3","10","1") = "9"
    & skf18("7","2","10","4","4","1","1") = "9"
    & skf18("7","2","10","4","4","2","1") = "9"
    & skf18("7","2","10","4","4","3","1") = "9"
    & skf18("7","2","10","4","4","4","1") = "9"
    & skf18("7","2","10","4","4","5","1") = "9"
    & skf18("7","2","10","4","4","6","1") = "9"
    & skf18("7","2","10","4","4","7","1") = "9"
    & skf18("7","2","10","4","4","8","1") = "9"
    & skf18("7","2","10","4","4","9","1") = "9"
    & skf18("7","2","10","4","4","10","1") = "9"
    & skf18("7","2","10","4","5","1","1") = "9"
    & skf18("7","2","10","4","5","2","1") = "9"
    & skf18("7","2","10","4","5","3","1") = "9"
    & skf18("7","2","10","4","5","4","1") = "9"
    & skf18("7","2","10","4","5","5","1") = "9"
    & skf18("7","2","10","4","5","6","1") = "9"
    & skf18("7","2","10","4","5","7","1") = "9"
    & skf18("7","2","10","4","5","8","1") = "9"
    & skf18("7","2","10","4","5","9","1") = "9"
    & skf18("7","2","10","4","5","10","1") = "9"
    & skf18("7","2","10","4","6","1","1") = "9"
    & skf18("7","2","10","4","6","2","1") = "9"
    & skf18("7","2","10","4","6","3","1") = "9"
    & skf18("7","2","10","4","6","4","1") = "9"
    & skf18("7","2","10","4","6","5","1") = "9"
    & skf18("7","2","10","4","6","6","1") = "9"
    & skf18("7","2","10","4","6","7","1") = "9"
    & skf18("7","2","10","4","6","8","1") = "9"
    & skf18("7","2","10","4","6","9","1") = "9"
    & skf18("7","2","10","4","6","10","1") = "9"
    & skf18("7","2","10","4","7","1","1") = "9"
    & skf18("7","2","10","4","7","2","1") = "9"
    & skf18("7","2","10","4","7","3","1") = "9"
    & skf18("7","2","10","4","7","4","1") = "9"
    & skf18("7","2","10","4","7","5","1") = "9"
    & skf18("7","2","10","4","7","6","1") = "9"
    & skf18("7","2","10","4","7","7","1") = "9"
    & skf18("7","2","10","4","7","8","1") = "9"
    & skf18("7","2","10","4","7","9","1") = "9"
    & skf18("7","2","10","4","7","10","1") = "9"
    & skf18("7","2","10","4","8","1","1") = "9"
    & skf18("7","2","10","4","8","2","1") = "9"
    & skf18("7","2","10","4","8","3","1") = "9"
    & skf18("7","2","10","4","8","4","1") = "9"
    & skf18("7","2","10","4","8","5","1") = "9"
    & skf18("7","2","10","4","8","6","1") = "9"
    & skf18("7","2","10","4","8","7","1") = "9"
    & skf18("7","2","10","4","8","8","1") = "9"
    & skf18("7","2","10","4","8","9","1") = "9"
    & skf18("7","2","10","4","8","10","1") = "9"
    & skf18("7","2","10","4","9","1","1") = "9"
    & skf18("7","2","10","4","9","2","1") = "9"
    & skf18("7","2","10","4","9","3","1") = "9"
    & skf18("7","2","10","4","9","4","1") = "9"
    & skf18("7","2","10","4","9","5","1") = "9"
    & skf18("7","2","10","4","9","6","1") = "9"
    & skf18("7","2","10","4","9","7","1") = "9"
    & skf18("7","2","10","4","9","8","1") = "9"
    & skf18("7","2","10","4","9","9","1") = "9"
    & skf18("7","2","10","4","9","10","1") = "9"
    & skf18("7","2","10","4","10","1","1") = "9"
    & skf18("7","2","10","4","10","2","1") = "9"
    & skf18("7","2","10","4","10","3","1") = "9"
    & skf18("7","2","10","4","10","4","1") = "9"
    & skf18("7","2","10","4","10","5","1") = "9"
    & skf18("7","2","10","4","10","6","1") = "9"
    & skf18("7","2","10","4","10","7","1") = "9"
    & skf18("7","2","10","4","10","8","1") = "9"
    & skf18("7","2","10","4","10","9","1") = "9"
    & skf18("7","2","10","4","10","10","1") = "9"
    & skf18("7","2","10","5","1","1","1") = "9"
    & skf18("7","2","10","5","1","2","1") = "9"
    & skf18("7","2","10","5","1","3","1") = "9"
    & skf18("7","2","10","5","1","4","1") = "9"
    & skf18("7","2","10","5","1","5","1") = "9"
    & skf18("7","2","10","5","1","6","1") = "9"
    & skf18("7","2","10","5","1","7","1") = "9"
    & skf18("7","2","10","5","1","8","1") = "9"
    & skf18("7","2","10","5","1","9","1") = "9"
    & skf18("7","2","10","5","1","10","1") = "9"
    & skf18("7","2","10","5","2","1","1") = "9"
    & skf18("7","2","10","5","2","2","1") = "9"
    & skf18("7","2","10","5","2","3","1") = "9"
    & skf18("7","2","10","5","2","4","1") = "9"
    & skf18("7","2","10","5","2","5","1") = "9"
    & skf18("7","2","10","5","2","6","1") = "9"
    & skf18("7","2","10","5","2","7","1") = "9"
    & skf18("7","2","10","5","2","8","1") = "9"
    & skf18("7","2","10","5","2","9","1") = "9"
    & skf18("7","2","10","5","2","10","1") = "9"
    & skf18("7","2","10","5","3","1","1") = "9"
    & skf18("7","2","10","5","3","2","1") = "9"
    & skf18("7","2","10","5","3","3","1") = "9"
    & skf18("7","2","10","5","3","4","1") = "9"
    & skf18("7","2","10","5","3","5","1") = "9"
    & skf18("7","2","10","5","3","6","1") = "9"
    & skf18("7","2","10","5","3","7","1") = "9"
    & skf18("7","2","10","5","3","8","1") = "9"
    & skf18("7","2","10","5","3","9","1") = "9"
    & skf18("7","2","10","5","3","10","1") = "9"
    & skf18("7","2","10","5","4","1","1") = "9"
    & skf18("7","2","10","5","4","2","1") = "9"
    & skf18("7","2","10","5","4","3","1") = "9"
    & skf18("7","2","10","5","4","4","1") = "9"
    & skf18("7","2","10","5","4","5","1") = "9"
    & skf18("7","2","10","5","4","6","1") = "9"
    & skf18("7","2","10","5","4","7","1") = "9"
    & skf18("7","2","10","5","4","8","1") = "9"
    & skf18("7","2","10","5","4","9","1") = "9"
    & skf18("7","2","10","5","4","10","1") = "9"
    & skf18("7","2","10","5","5","1","1") = "9"
    & skf18("7","2","10","5","5","2","1") = "9"
    & skf18("7","2","10","5","5","3","1") = "9"
    & skf18("7","2","10","5","5","4","1") = "9"
    & skf18("7","2","10","5","5","5","1") = "9"
    & skf18("7","2","10","5","5","6","1") = "9"
    & skf18("7","2","10","5","5","7","1") = "9"
    & skf18("7","2","10","5","5","8","1") = "9"
    & skf18("7","2","10","5","5","9","1") = "9"
    & skf18("7","2","10","5","5","10","1") = "9"
    & skf18("7","2","10","5","6","1","1") = "9"
    & skf18("7","2","10","5","6","2","1") = "9"
    & skf18("7","2","10","5","6","3","1") = "9"
    & skf18("7","2","10","5","6","4","1") = "9"
    & skf18("7","2","10","5","6","5","1") = "9"
    & skf18("7","2","10","5","6","6","1") = "9"
    & skf18("7","2","10","5","6","7","1") = "9"
    & skf18("7","2","10","5","6","8","1") = "9"
    & skf18("7","2","10","5","6","9","1") = "9"
    & skf18("7","2","10","5","6","10","1") = "9"
    & skf18("7","2","10","5","7","1","1") = "9"
    & skf18("7","2","10","5","7","2","1") = "9"
    & skf18("7","2","10","5","7","3","1") = "9"
    & skf18("7","2","10","5","7","4","1") = "9"
    & skf18("7","2","10","5","7","5","1") = "9"
    & skf18("7","2","10","5","7","6","1") = "9"
    & skf18("7","2","10","5","7","7","1") = "9"
    & skf18("7","2","10","5","7","8","1") = "9"
    & skf18("7","2","10","5","7","9","1") = "9"
    & skf18("7","2","10","5","7","10","1") = "9"
    & skf18("7","2","10","5","8","1","1") = "9"
    & skf18("7","2","10","5","8","2","1") = "9"
    & skf18("7","2","10","5","8","3","1") = "9"
    & skf18("7","2","10","5","8","4","1") = "9"
    & skf18("7","2","10","5","8","5","1") = "9"
    & skf18("7","2","10","5","8","6","1") = "9"
    & skf18("7","2","10","5","8","7","1") = "9"
    & skf18("7","2","10","5","8","8","1") = "9"
    & skf18("7","2","10","5","8","9","1") = "9"
    & skf18("7","2","10","5","8","10","1") = "9"
    & skf18("7","2","10","5","9","1","1") = "9"
    & skf18("7","2","10","5","9","2","1") = "9"
    & skf18("7","2","10","5","9","3","1") = "9"
    & skf18("7","2","10","5","9","4","1") = "9"
    & skf18("7","2","10","5","9","5","1") = "9"
    & skf18("7","2","10","5","9","6","1") = "9"
    & skf18("7","2","10","5","9","7","1") = "9"
    & skf18("7","2","10","5","9","8","1") = "9"
    & skf18("7","2","10","5","9","9","1") = "9"
    & skf18("7","2","10","5","9","10","1") = "9"
    & skf18("7","2","10","5","10","1","1") = "9"
    & skf18("7","2","10","5","10","2","1") = "9"
    & skf18("7","2","10","5","10","3","1") = "9"
    & skf18("7","2","10","5","10","4","1") = "9"
    & skf18("7","2","10","5","10","5","1") = "9"
    & skf18("7","2","10","5","10","6","1") = "9"
    & skf18("7","2","10","5","10","7","1") = "9"
    & skf18("7","2","10","5","10","8","1") = "9"
    & skf18("7","2","10","5","10","9","1") = "9"
    & skf18("7","2","10","5","10","10","1") = "9"
    & skf18("7","2","10","6","1","1","1") = "9"
    & skf18("7","2","10","6","1","2","1") = "9"
    & skf18("7","2","10","6","1","3","1") = "9"
    & skf18("7","2","10","6","1","4","1") = "9"
    & skf18("7","2","10","6","1","5","1") = "9"
    & skf18("7","2","10","6","1","6","1") = "9"
    & skf18("7","2","10","6","1","7","1") = "9"
    & skf18("7","2","10","6","1","8","1") = "9"
    & skf18("7","2","10","6","1","9","1") = "9"
    & skf18("7","2","10","6","1","10","1") = "9"
    & skf18("7","2","10","6","2","1","1") = "9"
    & skf18("7","2","10","6","2","2","1") = "9"
    & skf18("7","2","10","6","2","3","1") = "9"
    & skf18("7","2","10","6","2","4","1") = "9"
    & skf18("7","2","10","6","2","5","1") = "9"
    & skf18("7","2","10","6","2","6","1") = "9"
    & skf18("7","2","10","6","2","7","1") = "9"
    & skf18("7","2","10","6","2","8","1") = "9"
    & skf18("7","2","10","6","2","9","1") = "9"
    & skf18("7","2","10","6","2","10","1") = "9"
    & skf18("7","2","10","6","3","1","1") = "9"
    & skf18("7","2","10","6","3","2","1") = "9"
    & skf18("7","2","10","6","3","3","1") = "9"
    & skf18("7","2","10","6","3","4","1") = "9"
    & skf18("7","2","10","6","3","5","1") = "9"
    & skf18("7","2","10","6","3","6","1") = "9"
    & skf18("7","2","10","6","3","7","1") = "9"
    & skf18("7","2","10","6","3","8","1") = "9"
    & skf18("7","2","10","6","3","9","1") = "9"
    & skf18("7","2","10","6","3","10","1") = "9"
    & skf18("7","2","10","6","4","1","1") = "9"
    & skf18("7","2","10","6","4","2","1") = "9"
    & skf18("7","2","10","6","4","3","1") = "9"
    & skf18("7","2","10","6","4","4","1") = "9"
    & skf18("7","2","10","6","4","5","1") = "9"
    & skf18("7","2","10","6","4","6","1") = "9"
    & skf18("7","2","10","6","4","7","1") = "9"
    & skf18("7","2","10","6","4","8","1") = "9"
    & skf18("7","2","10","6","4","9","1") = "9"
    & skf18("7","2","10","6","4","10","1") = "9"
    & skf18("7","2","10","6","5","1","1") = "9"
    & skf18("7","2","10","6","5","2","1") = "9"
    & skf18("7","2","10","6","5","3","1") = "9"
    & skf18("7","2","10","6","5","4","1") = "9"
    & skf18("7","2","10","6","5","5","1") = "9"
    & skf18("7","2","10","6","5","6","1") = "9"
    & skf18("7","2","10","6","5","7","1") = "9"
    & skf18("7","2","10","6","5","8","1") = "9"
    & skf18("7","2","10","6","5","9","1") = "9"
    & skf18("7","2","10","6","5","10","1") = "9"
    & skf18("7","2","10","6","6","1","1") = "9"
    & skf18("7","2","10","6","6","2","1") = "9"
    & skf18("7","2","10","6","6","3","1") = "9"
    & skf18("7","2","10","6","6","4","1") = "9"
    & skf18("7","2","10","6","6","5","1") = "9"
    & skf18("7","2","10","6","6","6","1") = "9"
    & skf18("7","2","10","6","6","7","1") = "9"
    & skf18("7","2","10","6","6","8","1") = "9"
    & skf18("7","2","10","6","6","9","1") = "9"
    & skf18("7","2","10","6","6","10","1") = "9"
    & skf18("7","2","10","6","7","1","1") = "9"
    & skf18("7","2","10","6","7","2","1") = "9"
    & skf18("7","2","10","6","7","3","1") = "9"
    & skf18("7","2","10","6","7","4","1") = "9"
    & skf18("7","2","10","6","7","5","1") = "9"
    & skf18("7","2","10","6","7","6","1") = "9"
    & skf18("7","2","10","6","7","7","1") = "9"
    & skf18("7","2","10","6","7","8","1") = "9"
    & skf18("7","2","10","6","7","9","1") = "9"
    & skf18("7","2","10","6","7","10","1") = "9"
    & skf18("7","2","10","6","8","1","1") = "9"
    & skf18("7","2","10","6","8","2","1") = "9"
    & skf18("7","2","10","6","8","3","1") = "9"
    & skf18("7","2","10","6","8","4","1") = "9"
    & skf18("7","2","10","6","8","5","1") = "9"
    & skf18("7","2","10","6","8","6","1") = "9"
    & skf18("7","2","10","6","8","7","1") = "9"
    & skf18("7","2","10","6","8","8","1") = "9"
    & skf18("7","2","10","6","8","9","1") = "9"
    & skf18("7","2","10","6","8","10","1") = "9"
    & skf18("7","2","10","6","9","1","1") = "9"
    & skf18("7","2","10","6","9","2","1") = "9"
    & skf18("7","2","10","6","9","3","1") = "9"
    & skf18("7","2","10","6","9","4","1") = "9"
    & skf18("7","2","10","6","9","5","1") = "9"
    & skf18("7","2","10","6","9","6","1") = "9"
    & skf18("7","2","10","6","9","7","1") = "9"
    & skf18("7","2","10","6","9","8","1") = "9"
    & skf18("7","2","10","6","9","9","1") = "9"
    & skf18("7","2","10","6","9","10","1") = "9"
    & skf18("7","2","10","6","10","1","1") = "9"
    & skf18("7","2","10","6","10","2","1") = "9"
    & skf18("7","2","10","6","10","3","1") = "9"
    & skf18("7","2","10","6","10","4","1") = "9"
    & skf18("7","2","10","6","10","5","1") = "9"
    & skf18("7","2","10","6","10","6","1") = "9"
    & skf18("7","2","10","6","10","7","1") = "9"
    & skf18("7","2","10","6","10","8","1") = "9"
    & skf18("7","2","10","6","10","9","1") = "9"
    & skf18("7","2","10","6","10","10","1") = "9"
    & skf18("7","2","10","7","1","1","1") = "9"
    & skf18("7","2","10","7","1","2","1") = "9"
    & skf18("7","2","10","7","1","3","1") = "9"
    & skf18("7","2","10","7","1","4","1") = "9"
    & skf18("7","2","10","7","1","5","1") = "9"
    & skf18("7","2","10","7","1","6","1") = "9"
    & skf18("7","2","10","7","1","7","1") = "9"
    & skf18("7","2","10","7","1","8","1") = "9"
    & skf18("7","2","10","7","1","9","1") = "9"
    & skf18("7","2","10","7","1","10","1") = "9"
    & skf18("7","2","10","7","2","1","1") = "9"
    & skf18("7","2","10","7","2","2","1") = "9"
    & skf18("7","2","10","7","2","3","1") = "9"
    & skf18("7","2","10","7","2","4","1") = "9"
    & skf18("7","2","10","7","2","5","1") = "9"
    & skf18("7","2","10","7","2","6","1") = "9"
    & skf18("7","2","10","7","2","7","1") = "9"
    & skf18("7","2","10","7","2","8","1") = "9"
    & skf18("7","2","10","7","2","9","1") = "9"
    & skf18("7","2","10","7","2","10","1") = "9"
    & skf18("7","2","10","7","3","1","1") = "9"
    & skf18("7","2","10","7","3","2","1") = "9"
    & skf18("7","2","10","7","3","3","1") = "9"
    & skf18("7","2","10","7","3","4","1") = "9"
    & skf18("7","2","10","7","3","5","1") = "9"
    & skf18("7","2","10","7","3","6","1") = "9"
    & skf18("7","2","10","7","3","7","1") = "9"
    & skf18("7","2","10","7","3","8","1") = "9"
    & skf18("7","2","10","7","3","9","1") = "9"
    & skf18("7","2","10","7","3","10","1") = "9"
    & skf18("7","2","10","7","4","1","1") = "9"
    & skf18("7","2","10","7","4","2","1") = "9"
    & skf18("7","2","10","7","4","3","1") = "9"
    & skf18("7","2","10","7","4","4","1") = "9"
    & skf18("7","2","10","7","4","5","1") = "9"
    & skf18("7","2","10","7","4","6","1") = "9"
    & skf18("7","2","10","7","4","7","1") = "9"
    & skf18("7","2","10","7","4","8","1") = "9"
    & skf18("7","2","10","7","4","9","1") = "9"
    & skf18("7","2","10","7","4","10","1") = "9"
    & skf18("7","2","10","7","5","1","1") = "9"
    & skf18("7","2","10","7","5","2","1") = "9"
    & skf18("7","2","10","7","5","3","1") = "9"
    & skf18("7","2","10","7","5","4","1") = "9"
    & skf18("7","2","10","7","5","5","1") = "9"
    & skf18("7","2","10","7","5","6","1") = "9"
    & skf18("7","2","10","7","5","7","1") = "9"
    & skf18("7","2","10","7","5","8","1") = "9"
    & skf18("7","2","10","7","5","9","1") = "9"
    & skf18("7","2","10","7","5","10","1") = "9"
    & skf18("7","2","10","7","6","1","1") = "9"
    & skf18("7","2","10","7","6","2","1") = "9"
    & skf18("7","2","10","7","6","3","1") = "9"
    & skf18("7","2","10","7","6","4","1") = "9"
    & skf18("7","2","10","7","6","5","1") = "9"
    & skf18("7","2","10","7","6","6","1") = "9"
    & skf18("7","2","10","7","6","7","1") = "9"
    & skf18("7","2","10","7","6","8","1") = "9"
    & skf18("7","2","10","7","6","9","1") = "9"
    & skf18("7","2","10","7","6","10","1") = "9"
    & skf18("7","2","10","7","7","1","1") = "9"
    & skf18("7","2","10","7","7","2","1") = "9"
    & skf18("7","2","10","7","7","3","1") = "9"
    & skf18("7","2","10","7","7","4","1") = "9"
    & skf18("7","2","10","7","7","5","1") = "9"
    & skf18("7","2","10","7","7","6","1") = "9"
    & skf18("7","2","10","7","7","7","1") = "9"
    & skf18("7","2","10","7","7","8","1") = "9"
    & skf18("7","2","10","7","7","9","1") = "9"
    & skf18("7","2","10","7","7","10","1") = "9"
    & skf18("7","2","10","7","8","1","1") = "9"
    & skf18("7","2","10","7","8","2","1") = "9"
    & skf18("7","2","10","7","8","3","1") = "9"
    & skf18("7","2","10","7","8","4","1") = "9"
    & skf18("7","2","10","7","8","5","1") = "9"
    & skf18("7","2","10","7","8","6","1") = "9"
    & skf18("7","2","10","7","8","7","1") = "9"
    & skf18("7","2","10","7","8","8","1") = "9"
    & skf18("7","2","10","7","8","9","1") = "9"
    & skf18("7","2","10","7","8","10","1") = "9"
    & skf18("7","2","10","7","9","1","1") = "9"
    & skf18("7","2","10","7","9","2","1") = "9"
    & skf18("7","2","10","7","9","3","1") = "9"
    & skf18("7","2","10","7","9","4","1") = "9"
    & skf18("7","2","10","7","9","5","1") = "9"
    & skf18("7","2","10","7","9","6","1") = "9"
    & skf18("7","2","10","7","9","7","1") = "9"
    & skf18("7","2","10","7","9","8","1") = "9"
    & skf18("7","2","10","7","9","9","1") = "9"
    & skf18("7","2","10","7","9","10","1") = "9"
    & skf18("7","2","10","7","10","1","1") = "9"
    & skf18("7","2","10","7","10","2","1") = "9"
    & skf18("7","2","10","7","10","3","1") = "9"
    & skf18("7","2","10","7","10","4","1") = "9"
    & skf18("7","2","10","7","10","5","1") = "9"
    & skf18("7","2","10","7","10","6","1") = "9"
    & skf18("7","2","10","7","10","7","1") = "9"
    & skf18("7","2","10","7","10","8","1") = "9"
    & skf18("7","2","10","7","10","9","1") = "9"
    & skf18("7","2","10","7","10","10","1") = "9"
    & skf18("7","2","10","8","1","1","1") = "9"
    & skf18("7","2","10","8","1","2","1") = "9"
    & skf18("7","2","10","8","1","3","1") = "9"
    & skf18("7","2","10","8","1","4","1") = "9"
    & skf18("7","2","10","8","1","5","1") = "9"
    & skf18("7","2","10","8","1","6","1") = "9"
    & skf18("7","2","10","8","1","7","1") = "9"
    & skf18("7","2","10","8","1","8","1") = "9"
    & skf18("7","2","10","8","1","9","1") = "9"
    & skf18("7","2","10","8","1","10","1") = "9"
    & skf18("7","2","10","8","2","1","1") = "9"
    & skf18("7","2","10","8","2","2","1") = "9"
    & skf18("7","2","10","8","2","3","1") = "9"
    & skf18("7","2","10","8","2","4","1") = "9"
    & skf18("7","2","10","8","2","5","1") = "9"
    & skf18("7","2","10","8","2","6","1") = "9"
    & skf18("7","2","10","8","2","7","1") = "9"
    & skf18("7","2","10","8","2","8","1") = "9"
    & skf18("7","2","10","8","2","9","1") = "9"
    & skf18("7","2","10","8","2","10","1") = "9"
    & skf18("7","2","10","8","3","1","1") = "9"
    & skf18("7","2","10","8","3","2","1") = "9"
    & skf18("7","2","10","8","3","3","1") = "9"
    & skf18("7","2","10","8","3","4","1") = "9"
    & skf18("7","2","10","8","3","5","1") = "9"
    & skf18("7","2","10","8","3","6","1") = "9"
    & skf18("7","2","10","8","3","7","1") = "9"
    & skf18("7","2","10","8","3","8","1") = "9"
    & skf18("7","2","10","8","3","9","1") = "9"
    & skf18("7","2","10","8","3","10","1") = "9"
    & skf18("7","2","10","8","4","1","1") = "9"
    & skf18("7","2","10","8","4","2","1") = "9"
    & skf18("7","2","10","8","4","3","1") = "9"
    & skf18("7","2","10","8","4","4","1") = "9"
    & skf18("7","2","10","8","4","5","1") = "9"
    & skf18("7","2","10","8","4","6","1") = "9"
    & skf18("7","2","10","8","4","7","1") = "9"
    & skf18("7","2","10","8","4","8","1") = "9"
    & skf18("7","2","10","8","4","9","1") = "9"
    & skf18("7","2","10","8","4","10","1") = "9"
    & skf18("7","2","10","8","5","1","1") = "9"
    & skf18("7","2","10","8","5","2","1") = "9"
    & skf18("7","2","10","8","5","3","1") = "9"
    & skf18("7","2","10","8","5","4","1") = "9"
    & skf18("7","2","10","8","5","5","1") = "9"
    & skf18("7","2","10","8","5","6","1") = "9"
    & skf18("7","2","10","8","5","7","1") = "9"
    & skf18("7","2","10","8","5","8","1") = "9"
    & skf18("7","2","10","8","5","9","1") = "9"
    & skf18("7","2","10","8","5","10","1") = "9"
    & skf18("7","2","10","8","6","1","1") = "9"
    & skf18("7","2","10","8","6","2","1") = "9"
    & skf18("7","2","10","8","6","3","1") = "9"
    & skf18("7","2","10","8","6","4","1") = "9"
    & skf18("7","2","10","8","6","5","1") = "9"
    & skf18("7","2","10","8","6","6","1") = "9"
    & skf18("7","2","10","8","6","7","1") = "9"
    & skf18("7","2","10","8","6","8","1") = "9"
    & skf18("7","2","10","8","6","9","1") = "9"
    & skf18("7","2","10","8","6","10","1") = "9"
    & skf18("7","2","10","8","7","1","1") = "9"
    & skf18("7","2","10","8","7","2","1") = "9"
    & skf18("7","2","10","8","7","3","1") = "9"
    & skf18("7","2","10","8","7","4","1") = "9"
    & skf18("7","2","10","8","7","5","1") = "9"
    & skf18("7","2","10","8","7","6","1") = "9"
    & skf18("7","2","10","8","7","7","1") = "9"
    & skf18("7","2","10","8","7","8","1") = "9"
    & skf18("7","2","10","8","7","9","1") = "9"
    & skf18("7","2","10","8","7","10","1") = "9"
    & skf18("7","2","10","8","8","1","1") = "9"
    & skf18("7","2","10","8","8","2","1") = "9"
    & skf18("7","2","10","8","8","3","1") = "9"
    & skf18("7","2","10","8","8","4","1") = "9"
    & skf18("7","2","10","8","8","5","1") = "9"
    & skf18("7","2","10","8","8","6","1") = "9"
    & skf18("7","2","10","8","8","7","1") = "9"
    & skf18("7","2","10","8","8","8","1") = "9"
    & skf18("7","2","10","8","8","9","1") = "9"
    & skf18("7","2","10","8","8","10","1") = "9"
    & skf18("7","2","10","8","9","1","1") = "9"
    & skf18("7","2","10","8","9","2","1") = "9"
    & skf18("7","2","10","8","9","3","1") = "9"
    & skf18("7","2","10","8","9","4","1") = "9"
    & skf18("7","2","10","8","9","5","1") = "9"
    & skf18("7","2","10","8","9","6","1") = "9"
    & skf18("7","2","10","8","9","7","1") = "9"
    & skf18("7","2","10","8","9","8","1") = "9"
    & skf18("7","2","10","8","9","9","1") = "9"
    & skf18("7","2","10","8","9","10","1") = "9"
    & skf18("7","2","10","8","10","1","1") = "9"
    & skf18("7","2","10","8","10","2","1") = "9"
    & skf18("7","2","10","8","10","3","1") = "9"
    & skf18("7","2","10","8","10","4","1") = "9"
    & skf18("7","2","10","8","10","5","1") = "9"
    & skf18("7","2","10","8","10","6","1") = "9"
    & skf18("7","2","10","8","10","7","1") = "9"
    & skf18("7","2","10","8","10","8","1") = "9"
    & skf18("7","2","10","8","10","9","1") = "9"
    & skf18("7","2","10","8","10","10","1") = "9"
    & skf18("7","2","10","9","1","1","1") = "9"
    & skf18("7","2","10","9","1","2","1") = "9"
    & skf18("7","2","10","9","1","3","1") = "9"
    & skf18("7","2","10","9","1","4","1") = "9"
    & skf18("7","2","10","9","1","5","1") = "9"
    & skf18("7","2","10","9","1","6","1") = "9"
    & skf18("7","2","10","9","1","7","1") = "9"
    & skf18("7","2","10","9","1","8","1") = "9"
    & skf18("7","2","10","9","1","9","1") = "9"
    & skf18("7","2","10","9","1","10","1") = "9"
    & skf18("7","2","10","9","2","1","1") = "9"
    & skf18("7","2","10","9","2","2","1") = "9"
    & skf18("7","2","10","9","2","3","1") = "9"
    & skf18("7","2","10","9","2","4","1") = "9"
    & skf18("7","2","10","9","2","5","1") = "9"
    & skf18("7","2","10","9","2","6","1") = "9"
    & skf18("7","2","10","9","2","7","1") = "9"
    & skf18("7","2","10","9","2","8","1") = "9"
    & skf18("7","2","10","9","2","9","1") = "9"
    & skf18("7","2","10","9","2","10","1") = "9"
    & skf18("7","2","10","9","3","1","1") = "9"
    & skf18("7","2","10","9","3","2","1") = "9"
    & skf18("7","2","10","9","3","3","1") = "9"
    & skf18("7","2","10","9","3","4","1") = "9"
    & skf18("7","2","10","9","3","5","1") = "9"
    & skf18("7","2","10","9","3","6","1") = "9"
    & skf18("7","2","10","9","3","7","1") = "9"
    & skf18("7","2","10","9","3","8","1") = "9"
    & skf18("7","2","10","9","3","9","1") = "9"
    & skf18("7","2","10","9","3","10","1") = "9"
    & skf18("7","2","10","9","4","1","1") = "9"
    & skf18("7","2","10","9","4","2","1") = "9"
    & skf18("7","2","10","9","4","3","1") = "9"
    & skf18("7","2","10","9","4","4","1") = "9"
    & skf18("7","2","10","9","4","5","1") = "9"
    & skf18("7","2","10","9","4","6","1") = "9"
    & skf18("7","2","10","9","4","7","1") = "9"
    & skf18("7","2","10","9","4","8","1") = "9"
    & skf18("7","2","10","9","4","9","1") = "9"
    & skf18("7","2","10","9","4","10","1") = "9"
    & skf18("7","2","10","9","5","1","1") = "9"
    & skf18("7","2","10","9","5","2","1") = "9"
    & skf18("7","2","10","9","5","3","1") = "9"
    & skf18("7","2","10","9","5","4","1") = "9"
    & skf18("7","2","10","9","5","5","1") = "9"
    & skf18("7","2","10","9","5","6","1") = "9"
    & skf18("7","2","10","9","5","7","1") = "9"
    & skf18("7","2","10","9","5","8","1") = "9"
    & skf18("7","2","10","9","5","9","1") = "9"
    & skf18("7","2","10","9","5","10","1") = "9"
    & skf18("7","2","10","9","6","1","1") = "9"
    & skf18("7","2","10","9","6","2","1") = "9"
    & skf18("7","2","10","9","6","3","1") = "9"
    & skf18("7","2","10","9","6","4","1") = "9"
    & skf18("7","2","10","9","6","5","1") = "9"
    & skf18("7","2","10","9","6","6","1") = "9"
    & skf18("7","2","10","9","6","7","1") = "9"
    & skf18("7","2","10","9","6","8","1") = "9"
    & skf18("7","2","10","9","6","9","1") = "9"
    & skf18("7","2","10","9","6","10","1") = "9"
    & skf18("7","2","10","9","7","1","1") = "9"
    & skf18("7","2","10","9","7","2","1") = "9"
    & skf18("7","2","10","9","7","3","1") = "9"
    & skf18("7","2","10","9","7","4","1") = "9"
    & skf18("7","2","10","9","7","5","1") = "9"
    & skf18("7","2","10","9","7","6","1") = "9"
    & skf18("7","2","10","9","7","7","1") = "9"
    & skf18("7","2","10","9","7","8","1") = "9"
    & skf18("7","2","10","9","7","9","1") = "9"
    & skf18("7","2","10","9","7","10","1") = "9"
    & skf18("7","2","10","9","8","1","1") = "9"
    & skf18("7","2","10","9","8","2","1") = "9"
    & skf18("7","2","10","9","8","3","1") = "9"
    & skf18("7","2","10","9","8","4","1") = "9"
    & skf18("7","2","10","9","8","5","1") = "9"
    & skf18("7","2","10","9","8","6","1") = "9"
    & skf18("7","2","10","9","8","7","1") = "9"
    & skf18("7","2","10","9","8","8","1") = "9"
    & skf18("7","2","10","9","8","9","1") = "9"
    & skf18("7","2","10","9","8","10","1") = "9"
    & skf18("7","2","10","9","9","1","1") = "9"
    & skf18("7","2","10","9","9","2","1") = "9"
    & skf18("7","2","10","9","9","3","1") = "9"
    & skf18("7","2","10","9","9","4","1") = "9"
    & skf18("7","2","10","9","9","5","1") = "9"
    & skf18("7","2","10","9","9","6","1") = "9"
    & skf18("7","2","10","9","9","7","1") = "9"
    & skf18("7","2","10","9","9","8","1") = "9"
    & skf18("7","2","10","9","9","9","1") = "9"
    & skf18("7","2","10","9","9","10","1") = "9"
    & skf18("7","2","10","9","10","1","1") = "9"
    & skf18("7","2","10","9","10","2","1") = "9"
    & skf18("7","2","10","9","10","3","1") = "9"
    & skf18("7","2","10","9","10","4","1") = "9"
    & skf18("7","2","10","9","10","5","1") = "9"
    & skf18("7","2","10","9","10","6","1") = "9"
    & skf18("7","2","10","9","10","7","1") = "9"
    & skf18("7","2","10","9","10","8","1") = "9"
    & skf18("7","2","10","9","10","9","1") = "9"
    & skf18("7","2","10","9","10","10","1") = "9"
    & skf18("7","2","10","10","1","1","1") = "9"
    & skf18("7","2","10","10","1","2","1") = "9"
    & skf18("7","2","10","10","1","3","1") = "9"
    & skf18("7","2","10","10","1","4","1") = "9"
    & skf18("7","2","10","10","1","5","1") = "9"
    & skf18("7","2","10","10","1","6","1") = "9"
    & skf18("7","2","10","10","1","7","1") = "9"
    & skf18("7","2","10","10","1","8","1") = "9"
    & skf18("7","2","10","10","1","9","1") = "9"
    & skf18("7","2","10","10","1","10","1") = "9"
    & skf18("7","2","10","10","2","1","1") = "9"
    & skf18("7","2","10","10","2","2","1") = "9"
    & skf18("7","2","10","10","2","3","1") = "9"
    & skf18("7","2","10","10","2","4","1") = "9"
    & skf18("7","2","10","10","2","5","1") = "9"
    & skf18("7","2","10","10","2","6","1") = "9"
    & skf18("7","2","10","10","2","7","1") = "9"
    & skf18("7","2","10","10","2","8","1") = "9"
    & skf18("7","2","10","10","2","9","1") = "9"
    & skf18("7","2","10","10","2","10","1") = "9"
    & skf18("7","2","10","10","3","1","1") = "9"
    & skf18("7","2","10","10","3","2","1") = "9"
    & skf18("7","2","10","10","3","3","1") = "9"
    & skf18("7","2","10","10","3","4","1") = "9"
    & skf18("7","2","10","10","3","5","1") = "9"
    & skf18("7","2","10","10","3","6","1") = "9"
    & skf18("7","2","10","10","3","7","1") = "9"
    & skf18("7","2","10","10","3","8","1") = "9"
    & skf18("7","2","10","10","3","9","1") = "9"
    & skf18("7","2","10","10","3","10","1") = "9"
    & skf18("7","2","10","10","4","1","1") = "9"
    & skf18("7","2","10","10","4","2","1") = "9"
    & skf18("7","2","10","10","4","3","1") = "9"
    & skf18("7","2","10","10","4","4","1") = "9"
    & skf18("7","2","10","10","4","5","1") = "9"
    & skf18("7","2","10","10","4","6","1") = "9"
    & skf18("7","2","10","10","4","7","1") = "9"
    & skf18("7","2","10","10","4","8","1") = "9"
    & skf18("7","2","10","10","4","9","1") = "9"
    & skf18("7","2","10","10","4","10","1") = "9"
    & skf18("7","2","10","10","5","1","1") = "9"
    & skf18("7","2","10","10","5","2","1") = "9"
    & skf18("7","2","10","10","5","3","1") = "9"
    & skf18("7","2","10","10","5","4","1") = "9"
    & skf18("7","2","10","10","5","5","1") = "9"
    & skf18("7","2","10","10","5","6","1") = "9"
    & skf18("7","2","10","10","5","7","1") = "9"
    & skf18("7","2","10","10","5","8","1") = "9"
    & skf18("7","2","10","10","5","9","1") = "9"
    & skf18("7","2","10","10","5","10","1") = "9"
    & skf18("7","2","10","10","6","1","1") = "9"
    & skf18("7","2","10","10","6","2","1") = "9"
    & skf18("7","2","10","10","6","3","1") = "9"
    & skf18("7","2","10","10","6","4","1") = "9"
    & skf18("7","2","10","10","6","5","1") = "9"
    & skf18("7","2","10","10","6","6","1") = "9"
    & skf18("7","2","10","10","6","7","1") = "9"
    & skf18("7","2","10","10","6","8","1") = "9"
    & skf18("7","2","10","10","6","9","1") = "9"
    & skf18("7","2","10","10","6","10","1") = "9"
    & skf18("7","2","10","10","7","1","1") = "9"
    & skf18("7","2","10","10","7","2","1") = "9"
    & skf18("7","2","10","10","7","3","1") = "9"
    & skf18("7","2","10","10","7","4","1") = "9"
    & skf18("7","2","10","10","7","5","1") = "9"
    & skf18("7","2","10","10","7","6","1") = "9"
    & skf18("7","2","10","10","7","7","1") = "9"
    & skf18("7","2","10","10","7","8","1") = "9"
    & skf18("7","2","10","10","7","9","1") = "9"
    & skf18("7","2","10","10","7","10","1") = "9"
    & skf18("7","2","10","10","8","1","1") = "9"
    & skf18("7","2","10","10","8","2","1") = "9"
    & skf18("7","2","10","10","8","3","1") = "9"
    & skf18("7","2","10","10","8","4","1") = "9"
    & skf18("7","2","10","10","8","5","1") = "9"
    & skf18("7","2","10","10","8","6","1") = "9"
    & skf18("7","2","10","10","8","7","1") = "9"
    & skf18("7","2","10","10","8","8","1") = "9"
    & skf18("7","2","10","10","8","9","1") = "9"
    & skf18("7","2","10","10","8","10","1") = "9"
    & skf18("7","2","10","10","9","1","1") = "9"
    & skf18("7","2","10","10","9","2","1") = "9"
    & skf18("7","2","10","10","9","3","1") = "9"
    & skf18("7","2","10","10","9","4","1") = "9"
    & skf18("7","2","10","10","9","5","1") = "9"
    & skf18("7","2","10","10","9","6","1") = "9"
    & skf18("7","2","10","10","9","7","1") = "9"
    & skf18("7","2","10","10","9","8","1") = "9"
    & skf18("7","2","10","10","9","9","1") = "9"
    & skf18("7","2","10","10","9","10","1") = "9"
    & skf18("7","2","10","10","10","1","1") = "9"
    & skf18("7","2","10","10","10","2","1") = "9"
    & skf18("7","2","10","10","10","3","1") = "9"
    & skf18("7","2","10","10","10","4","1") = "9"
    & skf18("7","2","10","10","10","5","1") = "9"
    & skf18("7","2","10","10","10","6","1") = "9"
    & skf18("7","2","10","10","10","7","1") = "9"
    & skf18("7","2","10","10","10","8","1") = "9"
    & skf18("7","2","10","10","10","9","1") = "9"
    & skf18("7","2","10","10","10","10","1") = "9"
    & skf18("7","3","1","1","1","1","1") = "6"
    & skf18("7","3","1","1","1","2","1") = "6"
    & skf18("7","3","1","1","1","3","1") = "6"
    & skf18("7","3","1","1","1","4","1") = "6"
    & skf18("7","3","1","1","1","5","1") = "6"
    & skf18("7","3","1","1","1","6","1") = "6"
    & skf18("7","3","1","1","1","7","1") = "6"
    & skf18("7","3","1","1","1","8","1") = "7"
    & skf18("7","3","1","1","1","9","1") = "8"
    & skf18("7","3","1","1","1","10","1") = "9"
    & skf18("7","3","1","1","2","1","1") = "6"
    & skf18("7","3","1","1","2","2","1") = "6"
    & skf18("7","3","1","1","2","3","1") = "6"
    & skf18("7","3","1","1","2","4","1") = "6"
    & skf18("7","3","1","1","2","5","1") = "6"
    & skf18("7","3","1","1","2","6","1") = "6"
    & skf18("7","3","1","1","2","7","1") = "6"
    & skf18("7","3","1","1","2","8","1") = "7"
    & skf18("7","3","1","1","2","9","1") = "8"
    & skf18("7","3","1","1","2","10","1") = "9"
    & skf18("7","3","1","1","3","1","1") = "6"
    & skf18("7","3","1","1","3","2","1") = "6"
    & skf18("7","3","1","1","3","3","1") = "6"
    & skf18("7","3","1","1","3","4","1") = "6"
    & skf18("7","3","1","1","3","5","1") = "6"
    & skf18("7","3","1","1","3","6","1") = "6"
    & skf18("7","3","1","1","3","7","1") = "6"
    & skf18("7","3","1","1","3","8","1") = "7"
    & skf18("7","3","1","1","3","9","1") = "8"
    & skf18("7","3","1","1","3","10","1") = "9"
    & skf18("7","3","1","1","4","1","1") = "6"
    & skf18("7","3","1","1","4","2","1") = "6"
    & skf18("7","3","1","1","4","3","1") = "6"
    & skf18("7","3","1","1","4","4","1") = "6"
    & skf18("7","3","1","1","4","5","1") = "6"
    & skf18("7","3","1","1","4","6","1") = "6"
    & skf18("7","3","1","1","4","7","1") = "6"
    & skf18("7","3","1","1","4","8","1") = "7"
    & skf18("7","3","1","1","4","9","1") = "8"
    & skf18("7","3","1","1","4","10","1") = "9"
    & skf18("7","3","1","1","5","1","1") = "6"
    & skf18("7","3","1","1","5","2","1") = "6"
    & skf18("7","3","1","1","5","3","1") = "6"
    & skf18("7","3","1","1","5","4","1") = "6"
    & skf18("7","3","1","1","5","5","1") = "6"
    & skf18("7","3","1","1","5","6","1") = "6"
    & skf18("7","3","1","1","5","7","1") = "6"
    & skf18("7","3","1","1","5","8","1") = "7"
    & skf18("7","3","1","1","5","9","1") = "8"
    & skf18("7","3","1","1","5","10","1") = "9"
    & skf18("7","3","1","1","6","1","1") = "6"
    & skf18("7","3","1","1","6","2","1") = "6"
    & skf18("7","3","1","1","6","3","1") = "6"
    & skf18("7","3","1","1","6","4","1") = "6"
    & skf18("7","3","1","1","6","5","1") = "6"
    & skf18("7","3","1","1","6","6","1") = "6"
    & skf18("7","3","1","1","6","7","1") = "6"
    & skf18("7","3","1","1","6","8","1") = "7"
    & skf18("7","3","1","1","6","9","1") = "8"
    & skf18("7","3","1","1","6","10","1") = "9"
    & skf18("7","3","1","1","7","1","1") = "6"
    & skf18("7","3","1","1","7","2","1") = "6"
    & skf18("7","3","1","1","7","3","1") = "6"
    & skf18("7","3","1","1","7","4","1") = "6"
    & skf18("7","3","1","1","7","5","1") = "6"
    & skf18("7","3","1","1","7","6","1") = "6"
    & skf18("7","3","1","1","7","7","1") = "6"
    & skf18("7","3","1","1","7","8","1") = "7"
    & skf18("7","3","1","1","7","9","1") = "8"
    & skf18("7","3","1","1","7","10","1") = "9"
    & skf18("7","3","1","1","8","1","1") = "7"
    & skf18("7","3","1","1","8","2","1") = "7"
    & skf18("7","3","1","1","8","3","1") = "7"
    & skf18("7","3","1","1","8","4","1") = "7"
    & skf18("7","3","1","1","8","5","1") = "7"
    & skf18("7","3","1","1","8","6","1") = "7"
    & skf18("7","3","1","1","8","7","1") = "7"
    & skf18("7","3","1","1","8","8","1") = "7"
    & skf18("7","3","1","1","8","9","1") = "8"
    & skf18("7","3","1","1","8","10","1") = "9"
    & skf18("7","3","1","1","9","1","1") = "8"
    & skf18("7","3","1","1","9","2","1") = "8"
    & skf18("7","3","1","1","9","3","1") = "8"
    & skf18("7","3","1","1","9","4","1") = "8"
    & skf18("7","3","1","1","9","5","1") = "8"
    & skf18("7","3","1","1","9","6","1") = "8"
    & skf18("7","3","1","1","9","7","1") = "8"
    & skf18("7","3","1","1","9","8","1") = "8"
    & skf18("7","3","1","1","9","9","1") = "8"
    & skf18("7","3","1","1","9","10","1") = "9"
    & skf18("7","3","1","1","10","1","1") = "9"
    & skf18("7","3","1","1","10","2","1") = "9"
    & skf18("7","3","1","1","10","3","1") = "9"
    & skf18("7","3","1","1","10","4","1") = "9"
    & skf18("7","3","1","1","10","5","1") = "9"
    & skf18("7","3","1","1","10","6","1") = "9"
    & skf18("7","3","1","1","10","7","1") = "9"
    & skf18("7","3","1","1","10","8","1") = "9"
    & skf18("7","3","1","1","10","9","1") = "9"
    & skf18("7","3","1","1","10","10","1") = "9"
    & skf18("7","3","1","2","1","1","1") = "6"
    & skf18("7","3","1","2","1","2","1") = "6"
    & skf18("7","3","1","2","1","3","1") = "6"
    & skf18("7","3","1","2","1","4","1") = "6"
    & skf18("7","3","1","2","1","5","1") = "6"
    & skf18("7","3","1","2","1","6","1") = "6"
    & skf18("7","3","1","2","1","7","1") = "6"
    & skf18("7","3","1","2","1","8","1") = "7"
    & skf18("7","3","1","2","1","9","1") = "8"
    & skf18("7","3","1","2","1","10","1") = "9"
    & skf18("7","3","1","2","2","1","1") = "6"
    & skf18("7","3","1","2","2","2","1") = "6"
    & skf18("7","3","1","2","2","3","1") = "6"
    & skf18("7","3","1","2","2","4","1") = "6"
    & skf18("7","3","1","2","2","5","1") = "6"
    & skf18("7","3","1","2","2","6","1") = "6"
    & skf18("7","3","1","2","2","7","1") = "6"
    & skf18("7","3","1","2","2","8","1") = "7"
    & skf18("7","3","1","2","2","9","1") = "8"
    & skf18("7","3","1","2","2","10","1") = "9"
    & skf18("7","3","1","2","3","1","1") = "6"
    & skf18("7","3","1","2","3","2","1") = "6"
    & skf18("7","3","1","2","3","3","1") = "6"
    & skf18("7","3","1","2","3","4","1") = "6"
    & skf18("7","3","1","2","3","5","1") = "6"
    & skf18("7","3","1","2","3","6","1") = "6"
    & skf18("7","3","1","2","3","7","1") = "6"
    & skf18("7","3","1","2","3","8","1") = "7"
    & skf18("7","3","1","2","3","9","1") = "8"
    & skf18("7","3","1","2","3","10","1") = "9"
    & skf18("7","3","1","2","4","1","1") = "6"
    & skf18("7","3","1","2","4","2","1") = "6"
    & skf18("7","3","1","2","4","3","1") = "6"
    & skf18("7","3","1","2","4","4","1") = "6"
    & skf18("7","3","1","2","4","5","1") = "6"
    & skf18("7","3","1","2","4","6","1") = "6"
    & skf18("7","3","1","2","4","7","1") = "6"
    & skf18("7","3","1","2","4","8","1") = "7"
    & skf18("7","3","1","2","4","9","1") = "8"
    & skf18("7","3","1","2","4","10","1") = "9"
    & skf18("7","3","1","2","5","1","1") = "6"
    & skf18("7","3","1","2","5","2","1") = "6"
    & skf18("7","3","1","2","5","3","1") = "6"
    & skf18("7","3","1","2","5","4","1") = "6"
    & skf18("7","3","1","2","5","5","1") = "6"
    & skf18("7","3","1","2","5","6","1") = "6"
    & skf18("7","3","1","2","5","7","1") = "6"
    & skf18("7","3","1","2","5","8","1") = "7"
    & skf18("7","3","1","2","5","9","1") = "8"
    & skf18("7","3","1","2","5","10","1") = "9"
    & skf18("7","3","1","2","6","1","1") = "6"
    & skf18("7","3","1","2","6","2","1") = "6"
    & skf18("7","3","1","2","6","3","1") = "6"
    & skf18("7","3","1","2","6","4","1") = "6"
    & skf18("7","3","1","2","6","5","1") = "6"
    & skf18("7","3","1","2","6","6","1") = "6"
    & skf18("7","3","1","2","6","7","1") = "6"
    & skf18("7","3","1","2","6","8","1") = "7"
    & skf18("7","3","1","2","6","9","1") = "8"
    & skf18("7","3","1","2","6","10","1") = "9"
    & skf18("7","3","1","2","7","1","1") = "6"
    & skf18("7","3","1","2","7","2","1") = "6"
    & skf18("7","3","1","2","7","3","1") = "6"
    & skf18("7","3","1","2","7","4","1") = "6"
    & skf18("7","3","1","2","7","5","1") = "6"
    & skf18("7","3","1","2","7","6","1") = "6"
    & skf18("7","3","1","2","7","7","1") = "6"
    & skf18("7","3","1","2","7","8","1") = "7"
    & skf18("7","3","1","2","7","9","1") = "8"
    & skf18("7","3","1","2","7","10","1") = "9"
    & skf18("7","3","1","2","8","1","1") = "7"
    & skf18("7","3","1","2","8","2","1") = "7"
    & skf18("7","3","1","2","8","3","1") = "7"
    & skf18("7","3","1","2","8","4","1") = "7"
    & skf18("7","3","1","2","8","5","1") = "7"
    & skf18("7","3","1","2","8","6","1") = "7"
    & skf18("7","3","1","2","8","7","1") = "7"
    & skf18("7","3","1","2","8","8","1") = "7"
    & skf18("7","3","1","2","8","9","1") = "8"
    & skf18("7","3","1","2","8","10","1") = "9"
    & skf18("7","3","1","2","9","1","1") = "8"
    & skf18("7","3","1","2","9","2","1") = "8"
    & skf18("7","3","1","2","9","3","1") = "8"
    & skf18("7","3","1","2","9","4","1") = "8"
    & skf18("7","3","1","2","9","5","1") = "8"
    & skf18("7","3","1","2","9","6","1") = "8"
    & skf18("7","3","1","2","9","7","1") = "8"
    & skf18("7","3","1","2","9","8","1") = "8"
    & skf18("7","3","1","2","9","9","1") = "8"
    & skf18("7","3","1","2","9","10","1") = "9"
    & skf18("7","3","1","2","10","1","1") = "9"
    & skf18("7","3","1","2","10","2","1") = "9"
    & skf18("7","3","1","2","10","3","1") = "9"
    & skf18("7","3","1","2","10","4","1") = "9"
    & skf18("7","3","1","2","10","5","1") = "9"
    & skf18("7","3","1","2","10","6","1") = "9"
    & skf18("7","3","1","2","10","7","1") = "9"
    & skf18("7","3","1","2","10","8","1") = "9"
    & skf18("7","3","1","2","10","9","1") = "9"
    & skf18("7","3","1","2","10","10","1") = "9"
    & skf18("7","3","1","3","1","1","1") = "6"
    & skf18("7","3","1","3","1","2","1") = "6"
    & skf18("7","3","1","3","1","3","1") = "6"
    & skf18("7","3","1","3","1","4","1") = "6"
    & skf18("7","3","1","3","1","5","1") = "6"
    & skf18("7","3","1","3","1","6","1") = "6"
    & skf18("7","3","1","3","1","7","1") = "6"
    & skf18("7","3","1","3","1","8","1") = "7"
    & skf18("7","3","1","3","1","9","1") = "8"
    & skf18("7","3","1","3","1","10","1") = "9"
    & skf18("7","3","1","3","2","1","1") = "6"
    & skf18("7","3","1","3","2","2","1") = "6"
    & skf18("7","3","1","3","2","3","1") = "6"
    & skf18("7","3","1","3","2","4","1") = "6"
    & skf18("7","3","1","3","2","5","1") = "6"
    & skf18("7","3","1","3","2","6","1") = "6"
    & skf18("7","3","1","3","2","7","1") = "6"
    & skf18("7","3","1","3","2","8","1") = "7"
    & skf18("7","3","1","3","2","9","1") = "8"
    & skf18("7","3","1","3","2","10","1") = "9"
    & skf18("7","3","1","3","3","1","1") = "6"
    & skf18("7","3","1","3","3","2","1") = "6"
    & skf18("7","3","1","3","3","3","1") = "6"
    & skf18("7","3","1","3","3","4","1") = "6"
    & skf18("7","3","1","3","3","5","1") = "6"
    & skf18("7","3","1","3","3","6","1") = "6"
    & skf18("7","3","1","3","3","7","1") = "6"
    & skf18("7","3","1","3","3","8","1") = "7"
    & skf18("7","3","1","3","3","9","1") = "8"
    & skf18("7","3","1","3","3","10","1") = "9"
    & skf18("7","3","1","3","4","1","1") = "6"
    & skf18("7","3","1","3","4","2","1") = "6"
    & skf18("7","3","1","3","4","3","1") = "6"
    & skf18("7","3","1","3","4","4","1") = "6"
    & skf18("7","3","1","3","4","5","1") = "6"
    & skf18("7","3","1","3","4","6","1") = "6"
    & skf18("7","3","1","3","4","7","1") = "6"
    & skf18("7","3","1","3","4","8","1") = "7"
    & skf18("7","3","1","3","4","9","1") = "8"
    & skf18("7","3","1","3","4","10","1") = "9"
    & skf18("7","3","1","3","5","1","1") = "6"
    & skf18("7","3","1","3","5","2","1") = "6"
    & skf18("7","3","1","3","5","3","1") = "6"
    & skf18("7","3","1","3","5","4","1") = "6"
    & skf18("7","3","1","3","5","5","1") = "6"
    & skf18("7","3","1","3","5","6","1") = "6"
    & skf18("7","3","1","3","5","7","1") = "6"
    & skf18("7","3","1","3","5","8","1") = "7"
    & skf18("7","3","1","3","5","9","1") = "8"
    & skf18("7","3","1","3","5","10","1") = "9"
    & skf18("7","3","1","3","6","1","1") = "6"
    & skf18("7","3","1","3","6","2","1") = "6"
    & skf18("7","3","1","3","6","3","1") = "6"
    & skf18("7","3","1","3","6","4","1") = "6"
    & skf18("7","3","1","3","6","5","1") = "6"
    & skf18("7","3","1","3","6","6","1") = "6"
    & skf18("7","3","1","3","6","7","1") = "6"
    & skf18("7","3","1","3","6","8","1") = "7"
    & skf18("7","3","1","3","6","9","1") = "8"
    & skf18("7","3","1","3","6","10","1") = "9"
    & skf18("7","3","1","3","7","1","1") = "6"
    & skf18("7","3","1","3","7","2","1") = "6"
    & skf18("7","3","1","3","7","3","1") = "6"
    & skf18("7","3","1","3","7","4","1") = "6"
    & skf18("7","3","1","3","7","5","1") = "6"
    & skf18("7","3","1","3","7","6","1") = "6"
    & skf18("7","3","1","3","7","7","1") = "6"
    & skf18("7","3","1","3","7","8","1") = "7"
    & skf18("7","3","1","3","7","9","1") = "8"
    & skf18("7","3","1","3","7","10","1") = "9"
    & skf18("7","3","1","3","8","1","1") = "7"
    & skf18("7","3","1","3","8","2","1") = "7"
    & skf18("7","3","1","3","8","3","1") = "7"
    & skf18("7","3","1","3","8","4","1") = "7"
    & skf18("7","3","1","3","8","5","1") = "7"
    & skf18("7","3","1","3","8","6","1") = "7"
    & skf18("7","3","1","3","8","7","1") = "7"
    & skf18("7","3","1","3","8","8","1") = "7"
    & skf18("7","3","1","3","8","9","1") = "8"
    & skf18("7","3","1","3","8","10","1") = "9"
    & skf18("7","3","1","3","9","1","1") = "8"
    & skf18("7","3","1","3","9","2","1") = "8"
    & skf18("7","3","1","3","9","3","1") = "8"
    & skf18("7","3","1","3","9","4","1") = "8"
    & skf18("7","3","1","3","9","5","1") = "8"
    & skf18("7","3","1","3","9","6","1") = "8"
    & skf18("7","3","1","3","9","7","1") = "8"
    & skf18("7","3","1","3","9","8","1") = "8"
    & skf18("7","3","1","3","9","9","1") = "8"
    & skf18("7","3","1","3","9","10","1") = "9"
    & skf18("7","3","1","3","10","1","1") = "9"
    & skf18("7","3","1","3","10","2","1") = "9"
    & skf18("7","3","1","3","10","3","1") = "9"
    & skf18("7","3","1","3","10","4","1") = "9"
    & skf18("7","3","1","3","10","5","1") = "9"
    & skf18("7","3","1","3","10","6","1") = "9"
    & skf18("7","3","1","3","10","7","1") = "9"
    & skf18("7","3","1","3","10","8","1") = "9"
    & skf18("7","3","1","3","10","9","1") = "9"
    & skf18("7","3","1","3","10","10","1") = "9"
    & skf18("7","3","1","4","1","1","1") = "6"
    & skf18("7","3","1","4","1","2","1") = "6"
    & skf18("7","3","1","4","1","3","1") = "6"
    & skf18("7","3","1","4","1","4","1") = "6"
    & skf18("7","3","1","4","1","5","1") = "6"
    & skf18("7","3","1","4","1","6","1") = "6"
    & skf18("7","3","1","4","1","7","1") = "6"
    & skf18("7","3","1","4","1","8","1") = "7"
    & skf18("7","3","1","4","1","9","1") = "8"
    & skf18("7","3","1","4","1","10","1") = "9"
    & skf18("7","3","1","4","2","1","1") = "6"
    & skf18("7","3","1","4","2","2","1") = "6"
    & skf18("7","3","1","4","2","3","1") = "6"
    & skf18("7","3","1","4","2","4","1") = "6"
    & skf18("7","3","1","4","2","5","1") = "6"
    & skf18("7","3","1","4","2","6","1") = "6"
    & skf18("7","3","1","4","2","7","1") = "6"
    & skf18("7","3","1","4","2","8","1") = "7"
    & skf18("7","3","1","4","2","9","1") = "8"
    & skf18("7","3","1","4","2","10","1") = "9"
    & skf18("7","3","1","4","3","1","1") = "6"
    & skf18("7","3","1","4","3","2","1") = "6"
    & skf18("7","3","1","4","3","3","1") = "6"
    & skf18("7","3","1","4","3","4","1") = "6"
    & skf18("7","3","1","4","3","5","1") = "6"
    & skf18("7","3","1","4","3","6","1") = "6"
    & skf18("7","3","1","4","3","7","1") = "6"
    & skf18("7","3","1","4","3","8","1") = "7"
    & skf18("7","3","1","4","3","9","1") = "8"
    & skf18("7","3","1","4","3","10","1") = "9"
    & skf18("7","3","1","4","4","1","1") = "6"
    & skf18("7","3","1","4","4","2","1") = "6"
    & skf18("7","3","1","4","4","3","1") = "6"
    & skf18("7","3","1","4","4","4","1") = "6"
    & skf18("7","3","1","4","4","5","1") = "6"
    & skf18("7","3","1","4","4","6","1") = "6"
    & skf18("7","3","1","4","4","7","1") = "6"
    & skf18("7","3","1","4","4","8","1") = "7"
    & skf18("7","3","1","4","4","9","1") = "8"
    & skf18("7","3","1","4","4","10","1") = "9"
    & skf18("7","3","1","4","5","1","1") = "6"
    & skf18("7","3","1","4","5","2","1") = "6"
    & skf18("7","3","1","4","5","3","1") = "6"
    & skf18("7","3","1","4","5","4","1") = "6"
    & skf18("7","3","1","4","5","5","1") = "6"
    & skf18("7","3","1","4","5","6","1") = "6"
    & skf18("7","3","1","4","5","7","1") = "6"
    & skf18("7","3","1","4","5","8","1") = "7"
    & skf18("7","3","1","4","5","9","1") = "8"
    & skf18("7","3","1","4","5","10","1") = "9"
    & skf18("7","3","1","4","6","1","1") = "6"
    & skf18("7","3","1","4","6","2","1") = "6"
    & skf18("7","3","1","4","6","3","1") = "6"
    & skf18("7","3","1","4","6","4","1") = "6"
    & skf18("7","3","1","4","6","5","1") = "6"
    & skf18("7","3","1","4","6","6","1") = "6"
    & skf18("7","3","1","4","6","7","1") = "6"
    & skf18("7","3","1","4","6","8","1") = "7"
    & skf18("7","3","1","4","6","9","1") = "8"
    & skf18("7","3","1","4","6","10","1") = "9"
    & skf18("7","3","1","4","7","1","1") = "6"
    & skf18("7","3","1","4","7","2","1") = "6"
    & skf18("7","3","1","4","7","3","1") = "6"
    & skf18("7","3","1","4","7","4","1") = "6"
    & skf18("7","3","1","4","7","5","1") = "6"
    & skf18("7","3","1","4","7","6","1") = "6"
    & skf18("7","3","1","4","7","7","1") = "6"
    & skf18("7","3","1","4","7","8","1") = "7"
    & skf18("7","3","1","4","7","9","1") = "8"
    & skf18("7","3","1","4","7","10","1") = "9"
    & skf18("7","3","1","4","8","1","1") = "7"
    & skf18("7","3","1","4","8","2","1") = "7"
    & skf18("7","3","1","4","8","3","1") = "7"
    & skf18("7","3","1","4","8","4","1") = "7"
    & skf18("7","3","1","4","8","5","1") = "7"
    & skf18("7","3","1","4","8","6","1") = "7"
    & skf18("7","3","1","4","8","7","1") = "7"
    & skf18("7","3","1","4","8","8","1") = "7"
    & skf18("7","3","1","4","8","9","1") = "8"
    & skf18("7","3","1","4","8","10","1") = "9"
    & skf18("7","3","1","4","9","1","1") = "8"
    & skf18("7","3","1","4","9","2","1") = "8"
    & skf18("7","3","1","4","9","3","1") = "8"
    & skf18("7","3","1","4","9","4","1") = "8"
    & skf18("7","3","1","4","9","5","1") = "8"
    & skf18("7","3","1","4","9","6","1") = "8"
    & skf18("7","3","1","4","9","7","1") = "8"
    & skf18("7","3","1","4","9","8","1") = "8"
    & skf18("7","3","1","4","9","9","1") = "8"
    & skf18("7","3","1","4","9","10","1") = "9"
    & skf18("7","3","1","4","10","1","1") = "9"
    & skf18("7","3","1","4","10","2","1") = "9"
    & skf18("7","3","1","4","10","3","1") = "9"
    & skf18("7","3","1","4","10","4","1") = "9"
    & skf18("7","3","1","4","10","5","1") = "9"
    & skf18("7","3","1","4","10","6","1") = "9"
    & skf18("7","3","1","4","10","7","1") = "9"
    & skf18("7","3","1","4","10","8","1") = "9"
    & skf18("7","3","1","4","10","9","1") = "9"
    & skf18("7","3","1","4","10","10","1") = "9"
    & skf18("7","3","1","5","1","1","1") = "6"
    & skf18("7","3","1","5","1","2","1") = "6"
    & skf18("7","3","1","5","1","3","1") = "6"
    & skf18("7","3","1","5","1","4","1") = "6"
    & skf18("7","3","1","5","1","5","1") = "6"
    & skf18("7","3","1","5","1","6","1") = "6"
    & skf18("7","3","1","5","1","7","1") = "6"
    & skf18("7","3","1","5","1","8","1") = "7"
    & skf18("7","3","1","5","1","9","1") = "8"
    & skf18("7","3","1","5","1","10","1") = "9"
    & skf18("7","3","1","5","2","1","1") = "6"
    & skf18("7","3","1","5","2","2","1") = "6"
    & skf18("7","3","1","5","2","3","1") = "6"
    & skf18("7","3","1","5","2","4","1") = "6"
    & skf18("7","3","1","5","2","5","1") = "6"
    & skf18("7","3","1","5","2","6","1") = "6"
    & skf18("7","3","1","5","2","7","1") = "6"
    & skf18("7","3","1","5","2","8","1") = "7"
    & skf18("7","3","1","5","2","9","1") = "8"
    & skf18("7","3","1","5","2","10","1") = "9"
    & skf18("7","3","1","5","3","1","1") = "6"
    & skf18("7","3","1","5","3","2","1") = "6"
    & skf18("7","3","1","5","3","3","1") = "6"
    & skf18("7","3","1","5","3","4","1") = "6"
    & skf18("7","3","1","5","3","5","1") = "6"
    & skf18("7","3","1","5","3","6","1") = "6"
    & skf18("7","3","1","5","3","7","1") = "6"
    & skf18("7","3","1","5","3","8","1") = "7"
    & skf18("7","3","1","5","3","9","1") = "8"
    & skf18("7","3","1","5","3","10","1") = "9"
    & skf18("7","3","1","5","4","1","1") = "6"
    & skf18("7","3","1","5","4","2","1") = "6"
    & skf18("7","3","1","5","4","3","1") = "6"
    & skf18("7","3","1","5","4","4","1") = "6"
    & skf18("7","3","1","5","4","5","1") = "6"
    & skf18("7","3","1","5","4","6","1") = "6"
    & skf18("7","3","1","5","4","7","1") = "6"
    & skf18("7","3","1","5","4","8","1") = "7"
    & skf18("7","3","1","5","4","9","1") = "8"
    & skf18("7","3","1","5","4","10","1") = "9"
    & skf18("7","3","1","5","5","1","1") = "6"
    & skf18("7","3","1","5","5","2","1") = "6"
    & skf18("7","3","1","5","5","3","1") = "6"
    & skf18("7","3","1","5","5","4","1") = "6"
    & skf18("7","3","1","5","5","5","1") = "6"
    & skf18("7","3","1","5","5","6","1") = "6"
    & skf18("7","3","1","5","5","7","1") = "6"
    & skf18("7","3","1","5","5","8","1") = "7"
    & skf18("7","3","1","5","5","9","1") = "8"
    & skf18("7","3","1","5","5","10","1") = "9"
    & skf18("7","3","1","5","6","1","1") = "6"
    & skf18("7","3","1","5","6","2","1") = "6"
    & skf18("7","3","1","5","6","3","1") = "6"
    & skf18("7","3","1","5","6","4","1") = "6"
    & skf18("7","3","1","5","6","5","1") = "6"
    & skf18("7","3","1","5","6","6","1") = "6"
    & skf18("7","3","1","5","6","7","1") = "6"
    & skf18("7","3","1","5","6","8","1") = "7"
    & skf18("7","3","1","5","6","9","1") = "8"
    & skf18("7","3","1","5","6","10","1") = "9"
    & skf18("7","3","1","5","7","1","1") = "6"
    & skf18("7","3","1","5","7","2","1") = "6"
    & skf18("7","3","1","5","7","3","1") = "6"
    & skf18("7","3","1","5","7","4","1") = "6"
    & skf18("7","3","1","5","7","5","1") = "6"
    & skf18("7","3","1","5","7","6","1") = "6"
    & skf18("7","3","1","5","7","7","1") = "6"
    & skf18("7","3","1","5","7","8","1") = "7"
    & skf18("7","3","1","5","7","9","1") = "8"
    & skf18("7","3","1","5","7","10","1") = "9"
    & skf18("7","3","1","5","8","1","1") = "7"
    & skf18("7","3","1","5","8","2","1") = "7"
    & skf18("7","3","1","5","8","3","1") = "7"
    & skf18("7","3","1","5","8","4","1") = "7"
    & skf18("7","3","1","5","8","5","1") = "7"
    & skf18("7","3","1","5","8","6","1") = "7"
    & skf18("7","3","1","5","8","7","1") = "7"
    & skf18("7","3","1","5","8","8","1") = "7"
    & skf18("7","3","1","5","8","9","1") = "8"
    & skf18("7","3","1","5","8","10","1") = "9"
    & skf18("7","3","1","5","9","1","1") = "8"
    & skf18("7","3","1","5","9","2","1") = "8"
    & skf18("7","3","1","5","9","3","1") = "8"
    & skf18("7","3","1","5","9","4","1") = "8"
    & skf18("7","3","1","5","9","5","1") = "8"
    & skf18("7","3","1","5","9","6","1") = "8"
    & skf18("7","3","1","5","9","7","1") = "8"
    & skf18("7","3","1","5","9","8","1") = "8"
    & skf18("7","3","1","5","9","9","1") = "8"
    & skf18("7","3","1","5","9","10","1") = "9"
    & skf18("7","3","1","5","10","1","1") = "9"
    & skf18("7","3","1","5","10","2","1") = "9"
    & skf18("7","3","1","5","10","3","1") = "9"
    & skf18("7","3","1","5","10","4","1") = "9"
    & skf18("7","3","1","5","10","5","1") = "9"
    & skf18("7","3","1","5","10","6","1") = "9"
    & skf18("7","3","1","5","10","7","1") = "9"
    & skf18("7","3","1","5","10","8","1") = "9"
    & skf18("7","3","1","5","10","9","1") = "9"
    & skf18("7","3","1","5","10","10","1") = "9"
    & skf18("7","3","1","6","1","1","1") = "6"
    & skf18("7","3","1","6","1","2","1") = "6"
    & skf18("7","3","1","6","1","3","1") = "6"
    & skf18("7","3","1","6","1","4","1") = "6"
    & skf18("7","3","1","6","1","5","1") = "6"
    & skf18("7","3","1","6","1","6","1") = "6"
    & skf18("7","3","1","6","1","7","1") = "6"
    & skf18("7","3","1","6","1","8","1") = "7"
    & skf18("7","3","1","6","1","9","1") = "8"
    & skf18("7","3","1","6","1","10","1") = "9"
    & skf18("7","3","1","6","2","1","1") = "6"
    & skf18("7","3","1","6","2","2","1") = "6"
    & skf18("7","3","1","6","2","3","1") = "6"
    & skf18("7","3","1","6","2","4","1") = "6"
    & skf18("7","3","1","6","2","5","1") = "6"
    & skf18("7","3","1","6","2","6","1") = "6"
    & skf18("7","3","1","6","2","7","1") = "6"
    & skf18("7","3","1","6","2","8","1") = "7"
    & skf18("7","3","1","6","2","9","1") = "8"
    & skf18("7","3","1","6","2","10","1") = "9"
    & skf18("7","3","1","6","3","1","1") = "6"
    & skf18("7","3","1","6","3","2","1") = "6"
    & skf18("7","3","1","6","3","3","1") = "6"
    & skf18("7","3","1","6","3","4","1") = "6"
    & skf18("7","3","1","6","3","5","1") = "6"
    & skf18("7","3","1","6","3","6","1") = "6"
    & skf18("7","3","1","6","3","7","1") = "6"
    & skf18("7","3","1","6","3","8","1") = "7"
    & skf18("7","3","1","6","3","9","1") = "8"
    & skf18("7","3","1","6","3","10","1") = "9"
    & skf18("7","3","1","6","4","1","1") = "6"
    & skf18("7","3","1","6","4","2","1") = "6"
    & skf18("7","3","1","6","4","3","1") = "6"
    & skf18("7","3","1","6","4","4","1") = "6"
    & skf18("7","3","1","6","4","5","1") = "6"
    & skf18("7","3","1","6","4","6","1") = "6"
    & skf18("7","3","1","6","4","7","1") = "6"
    & skf18("7","3","1","6","4","8","1") = "7"
    & skf18("7","3","1","6","4","9","1") = "8"
    & skf18("7","3","1","6","4","10","1") = "9"
    & skf18("7","3","1","6","5","1","1") = "6"
    & skf18("7","3","1","6","5","2","1") = "6"
    & skf18("7","3","1","6","5","3","1") = "6"
    & skf18("7","3","1","6","5","4","1") = "6"
    & skf18("7","3","1","6","5","5","1") = "6"
    & skf18("7","3","1","6","5","6","1") = "6"
    & skf18("7","3","1","6","5","7","1") = "6"
    & skf18("7","3","1","6","5","8","1") = "7"
    & skf18("7","3","1","6","5","9","1") = "8"
    & skf18("7","3","1","6","5","10","1") = "9"
    & skf18("7","3","1","6","6","1","1") = "6"
    & skf18("7","3","1","6","6","2","1") = "6"
    & skf18("7","3","1","6","6","3","1") = "6"
    & skf18("7","3","1","6","6","4","1") = "6"
    & skf18("7","3","1","6","6","5","1") = "6"
    & skf18("7","3","1","6","6","6","1") = "6"
    & skf18("7","3","1","6","6","7","1") = "6"
    & skf18("7","3","1","6","6","8","1") = "7"
    & skf18("7","3","1","6","6","9","1") = "8"
    & skf18("7","3","1","6","6","10","1") = "9"
    & skf18("7","3","1","6","7","1","1") = "6"
    & skf18("7","3","1","6","7","2","1") = "6"
    & skf18("7","3","1","6","7","3","1") = "6"
    & skf18("7","3","1","6","7","4","1") = "6"
    & skf18("7","3","1","6","7","5","1") = "6"
    & skf18("7","3","1","6","7","6","1") = "6"
    & skf18("7","3","1","6","7","7","1") = "6"
    & skf18("7","3","1","6","7","8","1") = "7"
    & skf18("7","3","1","6","7","9","1") = "8"
    & skf18("7","3","1","6","7","10","1") = "9"
    & skf18("7","3","1","6","8","1","1") = "7"
    & skf18("7","3","1","6","8","2","1") = "7"
    & skf18("7","3","1","6","8","3","1") = "7"
    & skf18("7","3","1","6","8","4","1") = "7"
    & skf18("7","3","1","6","8","5","1") = "7"
    & skf18("7","3","1","6","8","6","1") = "7"
    & skf18("7","3","1","6","8","7","1") = "7"
    & skf18("7","3","1","6","8","8","1") = "7"
    & skf18("7","3","1","6","8","9","1") = "8"
    & skf18("7","3","1","6","8","10","1") = "9"
    & skf18("7","3","1","6","9","1","1") = "8"
    & skf18("7","3","1","6","9","2","1") = "8"
    & skf18("7","3","1","6","9","3","1") = "8"
    & skf18("7","3","1","6","9","4","1") = "8"
    & skf18("7","3","1","6","9","5","1") = "8"
    & skf18("7","3","1","6","9","6","1") = "8"
    & skf18("7","3","1","6","9","7","1") = "8"
    & skf18("7","3","1","6","9","8","1") = "8"
    & skf18("7","3","1","6","9","9","1") = "8"
    & skf18("7","3","1","6","9","10","1") = "9"
    & skf18("7","3","1","6","10","1","1") = "9"
    & skf18("7","3","1","6","10","2","1") = "9"
    & skf18("7","3","1","6","10","3","1") = "9"
    & skf18("7","3","1","6","10","4","1") = "9"
    & skf18("7","3","1","6","10","5","1") = "9"
    & skf18("7","3","1","6","10","6","1") = "9"
    & skf18("7","3","1","6","10","7","1") = "9"
    & skf18("7","3","1","6","10","8","1") = "9"
    & skf18("7","3","1","6","10","9","1") = "9"
    & skf18("7","3","1","6","10","10","1") = "9"
    & skf18("7","3","1","7","1","1","1") = "6"
    & skf18("7","3","1","7","1","2","1") = "6"
    & skf18("7","3","1","7","1","3","1") = "6"
    & skf18("7","3","1","7","1","4","1") = "6"
    & skf18("7","3","1","7","1","5","1") = "6"
    & skf18("7","3","1","7","1","6","1") = "6"
    & skf18("7","3","1","7","1","7","1") = "6"
    & skf18("7","3","1","7","1","8","1") = "7"
    & skf18("7","3","1","7","1","9","1") = "8"
    & skf18("7","3","1","7","1","10","1") = "9"
    & skf18("7","3","1","7","2","1","1") = "6"
    & skf18("7","3","1","7","2","2","1") = "6"
    & skf18("7","3","1","7","2","3","1") = "6"
    & skf18("7","3","1","7","2","4","1") = "6"
    & skf18("7","3","1","7","2","5","1") = "6"
    & skf18("7","3","1","7","2","6","1") = "6"
    & skf18("7","3","1","7","2","7","1") = "6"
    & skf18("7","3","1","7","2","8","1") = "7"
    & skf18("7","3","1","7","2","9","1") = "8"
    & skf18("7","3","1","7","2","10","1") = "9"
    & skf18("7","3","1","7","3","1","1") = "6"
    & skf18("7","3","1","7","3","2","1") = "6"
    & skf18("7","3","1","7","3","3","1") = "6"
    & skf18("7","3","1","7","3","4","1") = "6"
    & skf18("7","3","1","7","3","5","1") = "6"
    & skf18("7","3","1","7","3","6","1") = "6"
    & skf18("7","3","1","7","3","7","1") = "6"
    & skf18("7","3","1","7","3","8","1") = "7"
    & skf18("7","3","1","7","3","9","1") = "8"
    & skf18("7","3","1","7","3","10","1") = "9"
    & skf18("7","3","1","7","4","1","1") = "6"
    & skf18("7","3","1","7","4","2","1") = "6"
    & skf18("7","3","1","7","4","3","1") = "6"
    & skf18("7","3","1","7","4","4","1") = "6"
    & skf18("7","3","1","7","4","5","1") = "6"
    & skf18("7","3","1","7","4","6","1") = "6"
    & skf18("7","3","1","7","4","7","1") = "6"
    & skf18("7","3","1","7","4","8","1") = "7"
    & skf18("7","3","1","7","4","9","1") = "8"
    & skf18("7","3","1","7","4","10","1") = "9"
    & skf18("7","3","1","7","5","1","1") = "6"
    & skf18("7","3","1","7","5","2","1") = "6"
    & skf18("7","3","1","7","5","3","1") = "6"
    & skf18("7","3","1","7","5","4","1") = "6"
    & skf18("7","3","1","7","5","5","1") = "6"
    & skf18("7","3","1","7","5","6","1") = "6"
    & skf18("7","3","1","7","5","7","1") = "6"
    & skf18("7","3","1","7","5","8","1") = "7"
    & skf18("7","3","1","7","5","9","1") = "8"
    & skf18("7","3","1","7","5","10","1") = "9"
    & skf18("7","3","1","7","6","1","1") = "6"
    & skf18("7","3","1","7","6","2","1") = "6"
    & skf18("7","3","1","7","6","3","1") = "6"
    & skf18("7","3","1","7","6","4","1") = "6"
    & skf18("7","3","1","7","6","5","1") = "6"
    & skf18("7","3","1","7","6","6","1") = "6"
    & skf18("7","3","1","7","6","7","1") = "6"
    & skf18("7","3","1","7","6","8","1") = "7"
    & skf18("7","3","1","7","6","9","1") = "8"
    & skf18("7","3","1","7","6","10","1") = "9"
    & skf18("7","3","1","7","7","1","1") = "6"
    & skf18("7","3","1","7","7","2","1") = "6"
    & skf18("7","3","1","7","7","3","1") = "6"
    & skf18("7","3","1","7","7","4","1") = "6"
    & skf18("7","3","1","7","7","5","1") = "6"
    & skf18("7","3","1","7","7","6","1") = "6"
    & skf18("7","3","1","7","7","7","1") = "6"
    & skf18("7","3","1","7","7","8","1") = "7"
    & skf18("7","3","1","7","7","9","1") = "8"
    & skf18("7","3","1","7","7","10","1") = "9"
    & skf18("7","3","1","7","8","1","1") = "7"
    & skf18("7","3","1","7","8","2","1") = "7"
    & skf18("7","3","1","7","8","3","1") = "7"
    & skf18("7","3","1","7","8","4","1") = "7"
    & skf18("7","3","1","7","8","5","1") = "7"
    & skf18("7","3","1","7","8","6","1") = "7"
    & skf18("7","3","1","7","8","7","1") = "7"
    & skf18("7","3","1","7","8","8","1") = "7"
    & skf18("7","3","1","7","8","9","1") = "8"
    & skf18("7","3","1","7","8","10","1") = "9"
    & skf18("7","3","1","7","9","1","1") = "8"
    & skf18("7","3","1","7","9","2","1") = "8"
    & skf18("7","3","1","7","9","3","1") = "8"
    & skf18("7","3","1","7","9","4","1") = "8"
    & skf18("7","3","1","7","9","5","1") = "8"
    & skf18("7","3","1","7","9","6","1") = "8"
    & skf18("7","3","1","7","9","7","1") = "8"
    & skf18("7","3","1","7","9","8","1") = "8"
    & skf18("7","3","1","7","9","9","1") = "8"
    & skf18("7","3","1","7","9","10","1") = "9"
    & skf18("7","3","1","7","10","1","1") = "9"
    & skf18("7","3","1","7","10","2","1") = "9"
    & skf18("7","3","1","7","10","3","1") = "9"
    & skf18("7","3","1","7","10","4","1") = "9"
    & skf18("7","3","1","7","10","5","1") = "9"
    & skf18("7","3","1","7","10","6","1") = "9"
    & skf18("7","3","1","7","10","7","1") = "9"
    & skf18("7","3","1","7","10","8","1") = "9"
    & skf18("7","3","1","7","10","9","1") = "9"
    & skf18("7","3","1","7","10","10","1") = "9"
    & skf18("7","3","1","8","1","1","1") = "7"
    & skf18("7","3","1","8","1","2","1") = "7"
    & skf18("7","3","1","8","1","3","1") = "7"
    & skf18("7","3","1","8","1","4","1") = "7"
    & skf18("7","3","1","8","1","5","1") = "7"
    & skf18("7","3","1","8","1","6","1") = "7"
    & skf18("7","3","1","8","1","7","1") = "7"
    & skf18("7","3","1","8","1","8","1") = "7"
    & skf18("7","3","1","8","1","9","1") = "8"
    & skf18("7","3","1","8","1","10","1") = "9"
    & skf18("7","3","1","8","2","1","1") = "7"
    & skf18("7","3","1","8","2","2","1") = "7"
    & skf18("7","3","1","8","2","3","1") = "7"
    & skf18("7","3","1","8","2","4","1") = "7"
    & skf18("7","3","1","8","2","5","1") = "7"
    & skf18("7","3","1","8","2","6","1") = "7"
    & skf18("7","3","1","8","2","7","1") = "7"
    & skf18("7","3","1","8","2","8","1") = "7"
    & skf18("7","3","1","8","2","9","1") = "8"
    & skf18("7","3","1","8","2","10","1") = "9"
    & skf18("7","3","1","8","3","1","1") = "7"
    & skf18("7","3","1","8","3","2","1") = "7"
    & skf18("7","3","1","8","3","3","1") = "7"
    & skf18("7","3","1","8","3","4","1") = "7"
    & skf18("7","3","1","8","3","5","1") = "7"
    & skf18("7","3","1","8","3","6","1") = "7"
    & skf18("7","3","1","8","3","7","1") = "7"
    & skf18("7","3","1","8","3","8","1") = "7"
    & skf18("7","3","1","8","3","9","1") = "8"
    & skf18("7","3","1","8","3","10","1") = "9"
    & skf18("7","3","1","8","4","1","1") = "7"
    & skf18("7","3","1","8","4","2","1") = "7"
    & skf18("7","3","1","8","4","3","1") = "7"
    & skf18("7","3","1","8","4","4","1") = "7"
    & skf18("7","3","1","8","4","5","1") = "7"
    & skf18("7","3","1","8","4","6","1") = "7"
    & skf18("7","3","1","8","4","7","1") = "7"
    & skf18("7","3","1","8","4","8","1") = "7"
    & skf18("7","3","1","8","4","9","1") = "8"
    & skf18("7","3","1","8","4","10","1") = "9"
    & skf18("7","3","1","8","5","1","1") = "7"
    & skf18("7","3","1","8","5","2","1") = "7"
    & skf18("7","3","1","8","5","3","1") = "7"
    & skf18("7","3","1","8","5","4","1") = "7"
    & skf18("7","3","1","8","5","5","1") = "7"
    & skf18("7","3","1","8","5","6","1") = "7"
    & skf18("7","3","1","8","5","7","1") = "7"
    & skf18("7","3","1","8","5","8","1") = "7"
    & skf18("7","3","1","8","5","9","1") = "8"
    & skf18("7","3","1","8","5","10","1") = "9"
    & skf18("7","3","1","8","6","1","1") = "7"
    & skf18("7","3","1","8","6","2","1") = "7"
    & skf18("7","3","1","8","6","3","1") = "7"
    & skf18("7","3","1","8","6","4","1") = "7"
    & skf18("7","3","1","8","6","5","1") = "7"
    & skf18("7","3","1","8","6","6","1") = "7"
    & skf18("7","3","1","8","6","7","1") = "7"
    & skf18("7","3","1","8","6","8","1") = "7"
    & skf18("7","3","1","8","6","9","1") = "8"
    & skf18("7","3","1","8","6","10","1") = "9"
    & skf18("7","3","1","8","7","1","1") = "7"
    & skf18("7","3","1","8","7","2","1") = "7"
    & skf18("7","3","1","8","7","3","1") = "7"
    & skf18("7","3","1","8","7","4","1") = "7"
    & skf18("7","3","1","8","7","5","1") = "7"
    & skf18("7","3","1","8","7","6","1") = "7"
    & skf18("7","3","1","8","7","7","1") = "7"
    & skf18("7","3","1","8","7","8","1") = "7"
    & skf18("7","3","1","8","7","9","1") = "8"
    & skf18("7","3","1","8","7","10","1") = "9"
    & skf18("7","3","1","8","8","1","1") = "7"
    & skf18("7","3","1","8","8","2","1") = "7"
    & skf18("7","3","1","8","8","3","1") = "7"
    & skf18("7","3","1","8","8","4","1") = "7"
    & skf18("7","3","1","8","8","5","1") = "7"
    & skf18("7","3","1","8","8","6","1") = "7"
    & skf18("7","3","1","8","8","7","1") = "7"
    & skf18("7","3","1","8","8","8","1") = "7"
    & skf18("7","3","1","8","8","9","1") = "8"
    & skf18("7","3","1","8","8","10","1") = "9"
    & skf18("7","3","1","8","9","1","1") = "8"
    & skf18("7","3","1","8","9","2","1") = "8"
    & skf18("7","3","1","8","9","3","1") = "8"
    & skf18("7","3","1","8","9","4","1") = "8"
    & skf18("7","3","1","8","9","5","1") = "8"
    & skf18("7","3","1","8","9","6","1") = "8"
    & skf18("7","3","1","8","9","7","1") = "8"
    & skf18("7","3","1","8","9","8","1") = "8"
    & skf18("7","3","1","8","9","9","1") = "8"
    & skf18("7","3","1","8","9","10","1") = "9"
    & skf18("7","3","1","8","10","1","1") = "9"
    & skf18("7","3","1","8","10","2","1") = "9"
    & skf18("7","3","1","8","10","3","1") = "9"
    & skf18("7","3","1","8","10","4","1") = "9"
    & skf18("7","3","1","8","10","5","1") = "9"
    & skf18("7","3","1","8","10","6","1") = "9"
    & skf18("7","3","1","8","10","7","1") = "9"
    & skf18("7","3","1","8","10","8","1") = "9"
    & skf18("7","3","1","8","10","9","1") = "9"
    & skf18("7","3","1","8","10","10","1") = "9"
    & skf18("7","3","1","9","1","1","1") = "8"
    & skf18("7","3","1","9","1","2","1") = "8"
    & skf18("7","3","1","9","1","3","1") = "8"
    & skf18("7","3","1","9","1","4","1") = "8"
    & skf18("7","3","1","9","1","5","1") = "8"
    & skf18("7","3","1","9","1","6","1") = "8"
    & skf18("7","3","1","9","1","7","1") = "8"
    & skf18("7","3","1","9","1","8","1") = "8"
    & skf18("7","3","1","9","1","9","1") = "8"
    & skf18("7","3","1","9","1","10","1") = "9"
    & skf18("7","3","1","9","2","1","1") = "8"
    & skf18("7","3","1","9","2","2","1") = "8"
    & skf18("7","3","1","9","2","3","1") = "8"
    & skf18("7","3","1","9","2","4","1") = "8"
    & skf18("7","3","1","9","2","5","1") = "8"
    & skf18("7","3","1","9","2","6","1") = "8"
    & skf18("7","3","1","9","2","7","1") = "8"
    & skf18("7","3","1","9","2","8","1") = "8"
    & skf18("7","3","1","9","2","9","1") = "8"
    & skf18("7","3","1","9","2","10","1") = "9"
    & skf18("7","3","1","9","3","1","1") = "8"
    & skf18("7","3","1","9","3","2","1") = "8"
    & skf18("7","3","1","9","3","3","1") = "8"
    & skf18("7","3","1","9","3","4","1") = "8"
    & skf18("7","3","1","9","3","5","1") = "8"
    & skf18("7","3","1","9","3","6","1") = "8"
    & skf18("7","3","1","9","3","7","1") = "8"
    & skf18("7","3","1","9","3","8","1") = "8"
    & skf18("7","3","1","9","3","9","1") = "8"
    & skf18("7","3","1","9","3","10","1") = "9"
    & skf18("7","3","1","9","4","1","1") = "8"
    & skf18("7","3","1","9","4","2","1") = "8"
    & skf18("7","3","1","9","4","3","1") = "8"
    & skf18("7","3","1","9","4","4","1") = "8"
    & skf18("7","3","1","9","4","5","1") = "8"
    & skf18("7","3","1","9","4","6","1") = "8"
    & skf18("7","3","1","9","4","7","1") = "8"
    & skf18("7","3","1","9","4","8","1") = "8"
    & skf18("7","3","1","9","4","9","1") = "8"
    & skf18("7","3","1","9","4","10","1") = "9"
    & skf18("7","3","1","9","5","1","1") = "8"
    & skf18("7","3","1","9","5","2","1") = "8"
    & skf18("7","3","1","9","5","3","1") = "8"
    & skf18("7","3","1","9","5","4","1") = "8"
    & skf18("7","3","1","9","5","5","1") = "8"
    & skf18("7","3","1","9","5","6","1") = "8"
    & skf18("7","3","1","9","5","7","1") = "8"
    & skf18("7","3","1","9","5","8","1") = "8"
    & skf18("7","3","1","9","5","9","1") = "8"
    & skf18("7","3","1","9","5","10","1") = "9"
    & skf18("7","3","1","9","6","1","1") = "8"
    & skf18("7","3","1","9","6","2","1") = "8"
    & skf18("7","3","1","9","6","3","1") = "8"
    & skf18("7","3","1","9","6","4","1") = "8"
    & skf18("7","3","1","9","6","5","1") = "8"
    & skf18("7","3","1","9","6","6","1") = "8"
    & skf18("7","3","1","9","6","7","1") = "8"
    & skf18("7","3","1","9","6","8","1") = "8"
    & skf18("7","3","1","9","6","9","1") = "8"
    & skf18("7","3","1","9","6","10","1") = "9"
    & skf18("7","3","1","9","7","1","1") = "8"
    & skf18("7","3","1","9","7","2","1") = "8"
    & skf18("7","3","1","9","7","3","1") = "8"
    & skf18("7","3","1","9","7","4","1") = "8"
    & skf18("7","3","1","9","7","5","1") = "8"
    & skf18("7","3","1","9","7","6","1") = "8"
    & skf18("7","3","1","9","7","7","1") = "8"
    & skf18("7","3","1","9","7","8","1") = "8"
    & skf18("7","3","1","9","7","9","1") = "8"
    & skf18("7","3","1","9","7","10","1") = "9"
    & skf18("7","3","1","9","8","1","1") = "8"
    & skf18("7","3","1","9","8","2","1") = "8"
    & skf18("7","3","1","9","8","3","1") = "8"
    & skf18("7","3","1","9","8","4","1") = "8"
    & skf18("7","3","1","9","8","5","1") = "8"
    & skf18("7","3","1","9","8","6","1") = "8"
    & skf18("7","3","1","9","8","7","1") = "8"
    & skf18("7","3","1","9","8","8","1") = "8"
    & skf18("7","3","1","9","8","9","1") = "8"
    & skf18("7","3","1","9","8","10","1") = "9"
    & skf18("7","3","1","9","9","1","1") = "8"
    & skf18("7","3","1","9","9","2","1") = "8"
    & skf18("7","3","1","9","9","3","1") = "8"
    & skf18("7","3","1","9","9","4","1") = "8"
    & skf18("7","3","1","9","9","5","1") = "8"
    & skf18("7","3","1","9","9","6","1") = "8"
    & skf18("7","3","1","9","9","7","1") = "8"
    & skf18("7","3","1","9","9","8","1") = "8"
    & skf18("7","3","1","9","9","9","1") = "8"
    & skf18("7","3","1","9","9","10","1") = "9"
    & skf18("7","3","1","9","10","1","1") = "9"
    & skf18("7","3","1","9","10","2","1") = "9"
    & skf18("7","3","1","9","10","3","1") = "9"
    & skf18("7","3","1","9","10","4","1") = "9"
    & skf18("7","3","1","9","10","5","1") = "9"
    & skf18("7","3","1","9","10","6","1") = "9"
    & skf18("7","3","1","9","10","7","1") = "9"
    & skf18("7","3","1","9","10","8","1") = "9"
    & skf18("7","3","1","9","10","9","1") = "9"
    & skf18("7","3","1","9","10","10","1") = "9"
    & skf18("7","3","1","10","1","1","1") = "9"
    & skf18("7","3","1","10","1","2","1") = "9"
    & skf18("7","3","1","10","1","3","1") = "9"
    & skf18("7","3","1","10","1","4","1") = "9"
    & skf18("7","3","1","10","1","5","1") = "9"
    & skf18("7","3","1","10","1","6","1") = "9"
    & skf18("7","3","1","10","1","7","1") = "9"
    & skf18("7","3","1","10","1","8","1") = "9"
    & skf18("7","3","1","10","1","9","1") = "9"
    & skf18("7","3","1","10","1","10","1") = "9"
    & skf18("7","3","1","10","2","1","1") = "9"
    & skf18("7","3","1","10","2","2","1") = "9"
    & skf18("7","3","1","10","2","3","1") = "9"
    & skf18("7","3","1","10","2","4","1") = "9"
    & skf18("7","3","1","10","2","5","1") = "9"
    & skf18("7","3","1","10","2","6","1") = "9"
    & skf18("7","3","1","10","2","7","1") = "9"
    & skf18("7","3","1","10","2","8","1") = "9"
    & skf18("7","3","1","10","2","9","1") = "9"
    & skf18("7","3","1","10","2","10","1") = "9"
    & skf18("7","3","1","10","3","1","1") = "9"
    & skf18("7","3","1","10","3","2","1") = "9"
    & skf18("7","3","1","10","3","3","1") = "9"
    & skf18("7","3","1","10","3","4","1") = "9"
    & skf18("7","3","1","10","3","5","1") = "9"
    & skf18("7","3","1","10","3","6","1") = "9"
    & skf18("7","3","1","10","3","7","1") = "9"
    & skf18("7","3","1","10","3","8","1") = "9"
    & skf18("7","3","1","10","3","9","1") = "9"
    & skf18("7","3","1","10","3","10","1") = "9"
    & skf18("7","3","1","10","4","1","1") = "9"
    & skf18("7","3","1","10","4","2","1") = "9"
    & skf18("7","3","1","10","4","3","1") = "9"
    & skf18("7","3","1","10","4","4","1") = "9"
    & skf18("7","3","1","10","4","5","1") = "9"
    & skf18("7","3","1","10","4","6","1") = "9"
    & skf18("7","3","1","10","4","7","1") = "9"
    & skf18("7","3","1","10","4","8","1") = "9"
    & skf18("7","3","1","10","4","9","1") = "9"
    & skf18("7","3","1","10","4","10","1") = "9"
    & skf18("7","3","1","10","5","1","1") = "9"
    & skf18("7","3","1","10","5","2","1") = "9"
    & skf18("7","3","1","10","5","3","1") = "9"
    & skf18("7","3","1","10","5","4","1") = "9"
    & skf18("7","3","1","10","5","5","1") = "9"
    & skf18("7","3","1","10","5","6","1") = "9"
    & skf18("7","3","1","10","5","7","1") = "9"
    & skf18("7","3","1","10","5","8","1") = "9"
    & skf18("7","3","1","10","5","9","1") = "9"
    & skf18("7","3","1","10","5","10","1") = "9"
    & skf18("7","3","1","10","6","1","1") = "9"
    & skf18("7","3","1","10","6","2","1") = "9"
    & skf18("7","3","1","10","6","3","1") = "9"
    & skf18("7","3","1","10","6","4","1") = "9"
    & skf18("7","3","1","10","6","5","1") = "9"
    & skf18("7","3","1","10","6","6","1") = "9"
    & skf18("7","3","1","10","6","7","1") = "9"
    & skf18("7","3","1","10","6","8","1") = "9"
    & skf18("7","3","1","10","6","9","1") = "9"
    & skf18("7","3","1","10","6","10","1") = "9"
    & skf18("7","3","1","10","7","1","1") = "9"
    & skf18("7","3","1","10","7","2","1") = "9"
    & skf18("7","3","1","10","7","3","1") = "9"
    & skf18("7","3","1","10","7","4","1") = "9"
    & skf18("7","3","1","10","7","5","1") = "9"
    & skf18("7","3","1","10","7","6","1") = "9"
    & skf18("7","3","1","10","7","7","1") = "9"
    & skf18("7","3","1","10","7","8","1") = "9"
    & skf18("7","3","1","10","7","9","1") = "9"
    & skf18("7","3","1","10","7","10","1") = "9"
    & skf18("7","3","1","10","8","1","1") = "9"
    & skf18("7","3","1","10","8","2","1") = "9"
    & skf18("7","3","1","10","8","3","1") = "9"
    & skf18("7","3","1","10","8","4","1") = "9"
    & skf18("7","3","1","10","8","5","1") = "9"
    & skf18("7","3","1","10","8","6","1") = "9"
    & skf18("7","3","1","10","8","7","1") = "9"
    & skf18("7","3","1","10","8","8","1") = "9"
    & skf18("7","3","1","10","8","9","1") = "9"
    & skf18("7","3","1","10","8","10","1") = "9"
    & skf18("7","3","1","10","9","1","1") = "9"
    & skf18("7","3","1","10","9","2","1") = "9"
    & skf18("7","3","1","10","9","3","1") = "9"
    & skf18("7","3","1","10","9","4","1") = "9"
    & skf18("7","3","1","10","9","5","1") = "9"
    & skf18("7","3","1","10","9","6","1") = "9"
    & skf18("7","3","1","10","9","7","1") = "9"
    & skf18("7","3","1","10","9","8","1") = "9"
    & skf18("7","3","1","10","9","9","1") = "9"
    & skf18("7","3","1","10","9","10","1") = "9"
    & skf18("7","3","1","10","10","1","1") = "9"
    & skf18("7","3","1","10","10","2","1") = "9"
    & skf18("7","3","1","10","10","3","1") = "9"
    & skf18("7","3","1","10","10","4","1") = "9"
    & skf18("7","3","1","10","10","5","1") = "9"
    & skf18("7","3","1","10","10","6","1") = "9"
    & skf18("7","3","1","10","10","7","1") = "9"
    & skf18("7","3","1","10","10","8","1") = "9"
    & skf18("7","3","1","10","10","9","1") = "9"
    & skf18("7","3","1","10","10","10","1") = "9"
    & skf18("7","3","2","1","1","1","1") = "6"
    & skf18("7","3","2","1","1","2","1") = "6"
    & skf18("7","3","2","1","1","3","1") = "6"
    & skf18("7","3","2","1","1","4","1") = "6"
    & skf18("7","3","2","1","1","5","1") = "6"
    & skf18("7","3","2","1","1","6","1") = "6"
    & skf18("7","3","2","1","1","7","1") = "6"
    & skf18("7","3","2","1","1","8","1") = "7"
    & skf18("7","3","2","1","1","9","1") = "8"
    & skf18("7","3","2","1","1","10","1") = "9"
    & skf18("7","3","2","1","2","1","1") = "6"
    & skf18("7","3","2","1","2","2","1") = "6"
    & skf18("7","3","2","1","2","3","1") = "6"
    & skf18("7","3","2","1","2","4","1") = "6"
    & skf18("7","3","2","1","2","5","1") = "6"
    & skf18("7","3","2","1","2","6","1") = "6"
    & skf18("7","3","2","1","2","7","1") = "6"
    & skf18("7","3","2","1","2","8","1") = "7"
    & skf18("7","3","2","1","2","9","1") = "8"
    & skf18("7","3","2","1","2","10","1") = "9"
    & skf18("7","3","2","1","3","1","1") = "6"
    & skf18("7","3","2","1","3","2","1") = "6"
    & skf18("7","3","2","1","3","3","1") = "6"
    & skf18("7","3","2","1","3","4","1") = "6"
    & skf18("7","3","2","1","3","5","1") = "6"
    & skf18("7","3","2","1","3","6","1") = "6"
    & skf18("7","3","2","1","3","7","1") = "6"
    & skf18("7","3","2","1","3","8","1") = "7"
    & skf18("7","3","2","1","3","9","1") = "8"
    & skf18("7","3","2","1","3","10","1") = "9"
    & skf18("7","3","2","1","4","1","1") = "6"
    & skf18("7","3","2","1","4","2","1") = "6"
    & skf18("7","3","2","1","4","3","1") = "6"
    & skf18("7","3","2","1","4","4","1") = "6"
    & skf18("7","3","2","1","4","5","1") = "6"
    & skf18("7","3","2","1","4","6","1") = "6"
    & skf18("7","3","2","1","4","7","1") = "6"
    & skf18("7","3","2","1","4","8","1") = "7"
    & skf18("7","3","2","1","4","9","1") = "8"
    & skf18("7","3","2","1","4","10","1") = "9"
    & skf18("7","3","2","1","5","1","1") = "6"
    & skf18("7","3","2","1","5","2","1") = "6"
    & skf18("7","3","2","1","5","3","1") = "6"
    & skf18("7","3","2","1","5","4","1") = "6"
    & skf18("7","3","2","1","5","5","1") = "6"
    & skf18("7","3","2","1","5","6","1") = "6"
    & skf18("7","3","2","1","5","7","1") = "6"
    & skf18("7","3","2","1","5","8","1") = "7"
    & skf18("7","3","2","1","5","9","1") = "8"
    & skf18("7","3","2","1","5","10","1") = "9"
    & skf18("7","3","2","1","6","1","1") = "6"
    & skf18("7","3","2","1","6","2","1") = "6"
    & skf18("7","3","2","1","6","3","1") = "6"
    & skf18("7","3","2","1","6","4","1") = "6"
    & skf18("7","3","2","1","6","5","1") = "6"
    & skf18("7","3","2","1","6","6","1") = "6"
    & skf18("7","3","2","1","6","7","1") = "6"
    & skf18("7","3","2","1","6","8","1") = "7"
    & skf18("7","3","2","1","6","9","1") = "8"
    & skf18("7","3","2","1","6","10","1") = "9"
    & skf18("7","3","2","1","7","1","1") = "6"
    & skf18("7","3","2","1","7","2","1") = "6"
    & skf18("7","3","2","1","7","3","1") = "6"
    & skf18("7","3","2","1","7","4","1") = "6"
    & skf18("7","3","2","1","7","5","1") = "6"
    & skf18("7","3","2","1","7","6","1") = "6"
    & skf18("7","3","2","1","7","7","1") = "6"
    & skf18("7","3","2","1","7","8","1") = "7"
    & skf18("7","3","2","1","7","9","1") = "8"
    & skf18("7","3","2","1","7","10","1") = "9"
    & skf18("7","3","2","1","8","1","1") = "7"
    & skf18("7","3","2","1","8","2","1") = "7"
    & skf18("7","3","2","1","8","3","1") = "7"
    & skf18("7","3","2","1","8","4","1") = "7"
    & skf18("7","3","2","1","8","5","1") = "7"
    & skf18("7","3","2","1","8","6","1") = "7"
    & skf18("7","3","2","1","8","7","1") = "7"
    & skf18("7","3","2","1","8","8","1") = "7"
    & skf18("7","3","2","1","8","9","1") = "8"
    & skf18("7","3","2","1","8","10","1") = "9"
    & skf18("7","3","2","1","9","1","1") = "8"
    & skf18("7","3","2","1","9","2","1") = "8"
    & skf18("7","3","2","1","9","3","1") = "8"
    & skf18("7","3","2","1","9","4","1") = "8"
    & skf18("7","3","2","1","9","5","1") = "8"
    & skf18("7","3","2","1","9","6","1") = "8"
    & skf18("7","3","2","1","9","7","1") = "8"
    & skf18("7","3","2","1","9","8","1") = "8"
    & skf18("7","3","2","1","9","9","1") = "8"
    & skf18("7","3","2","1","9","10","1") = "9"
    & skf18("7","3","2","1","10","1","1") = "9"
    & skf18("7","3","2","1","10","2","1") = "9"
    & skf18("7","3","2","1","10","3","1") = "9"
    & skf18("7","3","2","1","10","4","1") = "9"
    & skf18("7","3","2","1","10","5","1") = "9"
    & skf18("7","3","2","1","10","6","1") = "9"
    & skf18("7","3","2","1","10","7","1") = "9"
    & skf18("7","3","2","1","10","8","1") = "9"
    & skf18("7","3","2","1","10","9","1") = "9"
    & skf18("7","3","2","1","10","10","1") = "9"
    & skf18("7","3","2","2","1","1","1") = "6"
    & skf18("7","3","2","2","1","2","1") = "6"
    & skf18("7","3","2","2","1","3","1") = "6"
    & skf18("7","3","2","2","1","4","1") = "6"
    & skf18("7","3","2","2","1","5","1") = "6"
    & skf18("7","3","2","2","1","6","1") = "6"
    & skf18("7","3","2","2","1","7","1") = "6"
    & skf18("7","3","2","2","1","8","1") = "7"
    & skf18("7","3","2","2","1","9","1") = "8"
    & skf18("7","3","2","2","1","10","1") = "9"
    & skf18("7","3","2","2","2","1","1") = "6"
    & skf18("7","3","2","2","2","2","1") = "6"
    & skf18("7","3","2","2","2","3","1") = "6"
    & skf18("7","3","2","2","2","4","1") = "6"
    & skf18("7","3","2","2","2","5","1") = "6"
    & skf18("7","3","2","2","2","6","1") = "6"
    & skf18("7","3","2","2","2","7","1") = "6"
    & skf18("7","3","2","2","2","8","1") = "7"
    & skf18("7","3","2","2","2","9","1") = "8"
    & skf18("7","3","2","2","2","10","1") = "9"
    & skf18("7","3","2","2","3","1","1") = "6"
    & skf18("7","3","2","2","3","2","1") = "6"
    & skf18("7","3","2","2","3","3","1") = "6"
    & skf18("7","3","2","2","3","4","1") = "6"
    & skf18("7","3","2","2","3","5","1") = "6"
    & skf18("7","3","2","2","3","6","1") = "6"
    & skf18("7","3","2","2","3","7","1") = "6"
    & skf18("7","3","2","2","3","8","1") = "7"
    & skf18("7","3","2","2","3","9","1") = "8"
    & skf18("7","3","2","2","3","10","1") = "9"
    & skf18("7","3","2","2","4","1","1") = "6"
    & skf18("7","3","2","2","4","2","1") = "6"
    & skf18("7","3","2","2","4","3","1") = "6"
    & skf18("7","3","2","2","4","4","1") = "6"
    & skf18("7","3","2","2","4","5","1") = "6"
    & skf18("7","3","2","2","4","6","1") = "6"
    & skf18("7","3","2","2","4","7","1") = "6"
    & skf18("7","3","2","2","4","8","1") = "7"
    & skf18("7","3","2","2","4","9","1") = "8"
    & skf18("7","3","2","2","4","10","1") = "9"
    & skf18("7","3","2","2","5","1","1") = "6"
    & skf18("7","3","2","2","5","2","1") = "6"
    & skf18("7","3","2","2","5","3","1") = "6"
    & skf18("7","3","2","2","5","4","1") = "6"
    & skf18("7","3","2","2","5","5","1") = "6"
    & skf18("7","3","2","2","5","6","1") = "6"
    & skf18("7","3","2","2","5","7","1") = "6"
    & skf18("7","3","2","2","5","8","1") = "7"
    & skf18("7","3","2","2","5","9","1") = "8"
    & skf18("7","3","2","2","5","10","1") = "9"
    & skf18("7","3","2","2","6","1","1") = "6"
    & skf18("7","3","2","2","6","2","1") = "6"
    & skf18("7","3","2","2","6","3","1") = "6"
    & skf18("7","3","2","2","6","4","1") = "6"
    & skf18("7","3","2","2","6","5","1") = "6"
    & skf18("7","3","2","2","6","6","1") = "6"
    & skf18("7","3","2","2","6","7","1") = "6"
    & skf18("7","3","2","2","6","8","1") = "7"
    & skf18("7","3","2","2","6","9","1") = "8"
    & skf18("7","3","2","2","6","10","1") = "9"
    & skf18("7","3","2","2","7","1","1") = "6"
    & skf18("7","3","2","2","7","2","1") = "6"
    & skf18("7","3","2","2","7","3","1") = "6"
    & skf18("7","3","2","2","7","4","1") = "6"
    & skf18("7","3","2","2","7","5","1") = "6"
    & skf18("7","3","2","2","7","6","1") = "6"
    & skf18("7","3","2","2","7","7","1") = "6"
    & skf18("7","3","2","2","7","8","1") = "7"
    & skf18("7","3","2","2","7","9","1") = "8"
    & skf18("7","3","2","2","7","10","1") = "9"
    & skf18("7","3","2","2","8","1","1") = "7"
    & skf18("7","3","2","2","8","2","1") = "7"
    & skf18("7","3","2","2","8","3","1") = "7"
    & skf18("7","3","2","2","8","4","1") = "7"
    & skf18("7","3","2","2","8","5","1") = "7"
    & skf18("7","3","2","2","8","6","1") = "7"
    & skf18("7","3","2","2","8","7","1") = "7"
    & skf18("7","3","2","2","8","8","1") = "7"
    & skf18("7","3","2","2","8","9","1") = "8"
    & skf18("7","3","2","2","8","10","1") = "9"
    & skf18("7","3","2","2","9","1","1") = "8"
    & skf18("7","3","2","2","9","2","1") = "8"
    & skf18("7","3","2","2","9","3","1") = "8"
    & skf18("7","3","2","2","9","4","1") = "8"
    & skf18("7","3","2","2","9","5","1") = "8"
    & skf18("7","3","2","2","9","6","1") = "8"
    & skf18("7","3","2","2","9","7","1") = "8"
    & skf18("7","3","2","2","9","8","1") = "8"
    & skf18("7","3","2","2","9","9","1") = "8"
    & skf18("7","3","2","2","9","10","1") = "9"
    & skf18("7","3","2","2","10","1","1") = "9"
    & skf18("7","3","2","2","10","2","1") = "9"
    & skf18("7","3","2","2","10","3","1") = "9"
    & skf18("7","3","2","2","10","4","1") = "9"
    & skf18("7","3","2","2","10","5","1") = "9"
    & skf18("7","3","2","2","10","6","1") = "9"
    & skf18("7","3","2","2","10","7","1") = "9"
    & skf18("7","3","2","2","10","8","1") = "9"
    & skf18("7","3","2","2","10","9","1") = "9"
    & skf18("7","3","2","2","10","10","1") = "9"
    & skf18("7","3","2","3","1","1","1") = "6"
    & skf18("7","3","2","3","1","2","1") = "6"
    & skf18("7","3","2","3","1","3","1") = "6"
    & skf18("7","3","2","3","1","4","1") = "6"
    & skf18("7","3","2","3","1","5","1") = "6"
    & skf18("7","3","2","3","1","6","1") = "6"
    & skf18("7","3","2","3","1","7","1") = "6"
    & skf18("7","3","2","3","1","8","1") = "7"
    & skf18("7","3","2","3","1","9","1") = "8"
    & skf18("7","3","2","3","1","10","1") = "9"
    & skf18("7","3","2","3","2","1","1") = "6"
    & skf18("7","3","2","3","2","2","1") = "6"
    & skf18("7","3","2","3","2","3","1") = "6"
    & skf18("7","3","2","3","2","4","1") = "6"
    & skf18("7","3","2","3","2","5","1") = "6"
    & skf18("7","3","2","3","2","6","1") = "6"
    & skf18("7","3","2","3","2","7","1") = "6"
    & skf18("7","3","2","3","2","8","1") = "7"
    & skf18("7","3","2","3","2","9","1") = "8"
    & skf18("7","3","2","3","2","10","1") = "9"
    & skf18("7","3","2","3","3","1","1") = "6"
    & skf18("7","3","2","3","3","2","1") = "6"
    & skf18("7","3","2","3","3","3","1") = "6"
    & skf18("7","3","2","3","3","4","1") = "6"
    & skf18("7","3","2","3","3","5","1") = "6"
    & skf18("7","3","2","3","3","6","1") = "6"
    & skf18("7","3","2","3","3","7","1") = "6"
    & skf18("7","3","2","3","3","8","1") = "7"
    & skf18("7","3","2","3","3","9","1") = "8"
    & skf18("7","3","2","3","3","10","1") = "9"
    & skf18("7","3","2","3","4","1","1") = "6"
    & skf18("7","3","2","3","4","2","1") = "6"
    & skf18("7","3","2","3","4","3","1") = "6"
    & skf18("7","3","2","3","4","4","1") = "6"
    & skf18("7","3","2","3","4","5","1") = "6"
    & skf18("7","3","2","3","4","6","1") = "6"
    & skf18("7","3","2","3","4","7","1") = "6"
    & skf18("7","3","2","3","4","8","1") = "7"
    & skf18("7","3","2","3","4","9","1") = "8"
    & skf18("7","3","2","3","4","10","1") = "9"
    & skf18("7","3","2","3","5","1","1") = "6"
    & skf18("7","3","2","3","5","2","1") = "6"
    & skf18("7","3","2","3","5","3","1") = "6"
    & skf18("7","3","2","3","5","4","1") = "6"
    & skf18("7","3","2","3","5","5","1") = "6"
    & skf18("7","3","2","3","5","6","1") = "6"
    & skf18("7","3","2","3","5","7","1") = "6"
    & skf18("7","3","2","3","5","8","1") = "7"
    & skf18("7","3","2","3","5","9","1") = "8"
    & skf18("7","3","2","3","5","10","1") = "9"
    & skf18("7","3","2","3","6","1","1") = "6"
    & skf18("7","3","2","3","6","2","1") = "6"
    & skf18("7","3","2","3","6","3","1") = "6"
    & skf18("7","3","2","3","6","4","1") = "6"
    & skf18("7","3","2","3","6","5","1") = "6"
    & skf18("7","3","2","3","6","6","1") = "6"
    & skf18("7","3","2","3","6","7","1") = "6"
    & skf18("7","3","2","3","6","8","1") = "7"
    & skf18("7","3","2","3","6","9","1") = "8"
    & skf18("7","3","2","3","6","10","1") = "9"
    & skf18("7","3","2","3","7","1","1") = "6"
    & skf18("7","3","2","3","7","2","1") = "6"
    & skf18("7","3","2","3","7","3","1") = "6"
    & skf18("7","3","2","3","7","4","1") = "6"
    & skf18("7","3","2","3","7","5","1") = "6"
    & skf18("7","3","2","3","7","6","1") = "6"
    & skf18("7","3","2","3","7","7","1") = "6"
    & skf18("7","3","2","3","7","8","1") = "7"
    & skf18("7","3","2","3","7","9","1") = "8"
    & skf18("7","3","2","3","7","10","1") = "9"
    & skf18("7","3","2","3","8","1","1") = "7"
    & skf18("7","3","2","3","8","2","1") = "7"
    & skf18("7","3","2","3","8","3","1") = "7"
    & skf18("7","3","2","3","8","4","1") = "7"
    & skf18("7","3","2","3","8","5","1") = "7"
    & skf18("7","3","2","3","8","6","1") = "7"
    & skf18("7","3","2","3","8","7","1") = "7"
    & skf18("7","3","2","3","8","8","1") = "7"
    & skf18("7","3","2","3","8","9","1") = "8"
    & skf18("7","3","2","3","8","10","1") = "9"
    & skf18("7","3","2","3","9","1","1") = "8"
    & skf18("7","3","2","3","9","2","1") = "8"
    & skf18("7","3","2","3","9","3","1") = "8"
    & skf18("7","3","2","3","9","4","1") = "8"
    & skf18("7","3","2","3","9","5","1") = "8"
    & skf18("7","3","2","3","9","6","1") = "8"
    & skf18("7","3","2","3","9","7","1") = "8"
    & skf18("7","3","2","3","9","8","1") = "8"
    & skf18("7","3","2","3","9","9","1") = "8"
    & skf18("7","3","2","3","9","10","1") = "9"
    & skf18("7","3","2","3","10","1","1") = "9"
    & skf18("7","3","2","3","10","2","1") = "9"
    & skf18("7","3","2","3","10","3","1") = "9"
    & skf18("7","3","2","3","10","4","1") = "9"
    & skf18("7","3","2","3","10","5","1") = "9"
    & skf18("7","3","2","3","10","6","1") = "9"
    & skf18("7","3","2","3","10","7","1") = "9"
    & skf18("7","3","2","3","10","8","1") = "9"
    & skf18("7","3","2","3","10","9","1") = "9"
    & skf18("7","3","2","3","10","10","1") = "9"
    & skf18("7","3","2","4","1","1","1") = "6"
    & skf18("7","3","2","4","1","2","1") = "6"
    & skf18("7","3","2","4","1","3","1") = "6"
    & skf18("7","3","2","4","1","4","1") = "6"
    & skf18("7","3","2","4","1","5","1") = "6"
    & skf18("7","3","2","4","1","6","1") = "6"
    & skf18("7","3","2","4","1","7","1") = "6"
    & skf18("7","3","2","4","1","8","1") = "7"
    & skf18("7","3","2","4","1","9","1") = "8"
    & skf18("7","3","2","4","1","10","1") = "9"
    & skf18("7","3","2","4","2","1","1") = "6"
    & skf18("7","3","2","4","2","2","1") = "6"
    & skf18("7","3","2","4","2","3","1") = "6"
    & skf18("7","3","2","4","2","4","1") = "6"
    & skf18("7","3","2","4","2","5","1") = "6"
    & skf18("7","3","2","4","2","6","1") = "6"
    & skf18("7","3","2","4","2","7","1") = "6"
    & skf18("7","3","2","4","2","8","1") = "7"
    & skf18("7","3","2","4","2","9","1") = "8"
    & skf18("7","3","2","4","2","10","1") = "9"
    & skf18("7","3","2","4","3","1","1") = "6"
    & skf18("7","3","2","4","3","2","1") = "6"
    & skf18("7","3","2","4","3","3","1") = "6"
    & skf18("7","3","2","4","3","4","1") = "6"
    & skf18("7","3","2","4","3","5","1") = "6"
    & skf18("7","3","2","4","3","6","1") = "6"
    & skf18("7","3","2","4","3","7","1") = "6"
    & skf18("7","3","2","4","3","8","1") = "7"
    & skf18("7","3","2","4","3","9","1") = "8"
    & skf18("7","3","2","4","3","10","1") = "9"
    & skf18("7","3","2","4","4","1","1") = "6"
    & skf18("7","3","2","4","4","2","1") = "6"
    & skf18("7","3","2","4","4","3","1") = "6"
    & skf18("7","3","2","4","4","4","1") = "6"
    & skf18("7","3","2","4","4","5","1") = "6"
    & skf18("7","3","2","4","4","6","1") = "6"
    & skf18("7","3","2","4","4","7","1") = "6"
    & skf18("7","3","2","4","4","8","1") = "7"
    & skf18("7","3","2","4","4","9","1") = "8"
    & skf18("7","3","2","4","4","10","1") = "9"
    & skf18("7","3","2","4","5","1","1") = "6"
    & skf18("7","3","2","4","5","2","1") = "6"
    & skf18("7","3","2","4","5","3","1") = "6"
    & skf18("7","3","2","4","5","4","1") = "6"
    & skf18("7","3","2","4","5","5","1") = "6"
    & skf18("7","3","2","4","5","6","1") = "6"
    & skf18("7","3","2","4","5","7","1") = "6"
    & skf18("7","3","2","4","5","8","1") = "7"
    & skf18("7","3","2","4","5","9","1") = "8"
    & skf18("7","3","2","4","5","10","1") = "9"
    & skf18("7","3","2","4","6","1","1") = "6"
    & skf18("7","3","2","4","6","2","1") = "6"
    & skf18("7","3","2","4","6","3","1") = "6"
    & skf18("7","3","2","4","6","4","1") = "6"
    & skf18("7","3","2","4","6","5","1") = "6"
    & skf18("7","3","2","4","6","6","1") = "6"
    & skf18("7","3","2","4","6","7","1") = "6"
    & skf18("7","3","2","4","6","8","1") = "7"
    & skf18("7","3","2","4","6","9","1") = "8"
    & skf18("7","3","2","4","6","10","1") = "9"
    & skf18("7","3","2","4","7","1","1") = "6"
    & skf18("7","3","2","4","7","2","1") = "6"
    & skf18("7","3","2","4","7","3","1") = "6"
    & skf18("7","3","2","4","7","4","1") = "6"
    & skf18("7","3","2","4","7","5","1") = "6"
    & skf18("7","3","2","4","7","6","1") = "6"
    & skf18("7","3","2","4","7","7","1") = "6"
    & skf18("7","3","2","4","7","8","1") = "7"
    & skf18("7","3","2","4","7","9","1") = "8"
    & skf18("7","3","2","4","7","10","1") = "9"
    & skf18("7","3","2","4","8","1","1") = "7"
    & skf18("7","3","2","4","8","2","1") = "7"
    & skf18("7","3","2","4","8","3","1") = "7"
    & skf18("7","3","2","4","8","4","1") = "7"
    & skf18("7","3","2","4","8","5","1") = "7"
    & skf18("7","3","2","4","8","6","1") = "7"
    & skf18("7","3","2","4","8","7","1") = "7"
    & skf18("7","3","2","4","8","8","1") = "7"
    & skf18("7","3","2","4","8","9","1") = "8"
    & skf18("7","3","2","4","8","10","1") = "9"
    & skf18("7","3","2","4","9","1","1") = "8"
    & skf18("7","3","2","4","9","2","1") = "8"
    & skf18("7","3","2","4","9","3","1") = "8"
    & skf18("7","3","2","4","9","4","1") = "8"
    & skf18("7","3","2","4","9","5","1") = "8"
    & skf18("7","3","2","4","9","6","1") = "8"
    & skf18("7","3","2","4","9","7","1") = "8"
    & skf18("7","3","2","4","9","8","1") = "8"
    & skf18("7","3","2","4","9","9","1") = "8"
    & skf18("7","3","2","4","9","10","1") = "9"
    & skf18("7","3","2","4","10","1","1") = "9"
    & skf18("7","3","2","4","10","2","1") = "9"
    & skf18("7","3","2","4","10","3","1") = "9"
    & skf18("7","3","2","4","10","4","1") = "9"
    & skf18("7","3","2","4","10","5","1") = "9"
    & skf18("7","3","2","4","10","6","1") = "9"
    & skf18("7","3","2","4","10","7","1") = "9"
    & skf18("7","3","2","4","10","8","1") = "9"
    & skf18("7","3","2","4","10","9","1") = "9"
    & skf18("7","3","2","4","10","10","1") = "9"
    & skf18("7","3","2","5","1","1","1") = "6"
    & skf18("7","3","2","5","1","2","1") = "6"
    & skf18("7","3","2","5","1","3","1") = "6"
    & skf18("7","3","2","5","1","4","1") = "6"
    & skf18("7","3","2","5","1","5","1") = "6"
    & skf18("7","3","2","5","1","6","1") = "6"
    & skf18("7","3","2","5","1","7","1") = "6"
    & skf18("7","3","2","5","1","8","1") = "7"
    & skf18("7","3","2","5","1","9","1") = "8"
    & skf18("7","3","2","5","1","10","1") = "9"
    & skf18("7","3","2","5","2","1","1") = "6"
    & skf18("7","3","2","5","2","2","1") = "6"
    & skf18("7","3","2","5","2","3","1") = "6"
    & skf18("7","3","2","5","2","4","1") = "6"
    & skf18("7","3","2","5","2","5","1") = "6"
    & skf18("7","3","2","5","2","6","1") = "6"
    & skf18("7","3","2","5","2","7","1") = "6"
    & skf18("7","3","2","5","2","8","1") = "7"
    & skf18("7","3","2","5","2","9","1") = "8"
    & skf18("7","3","2","5","2","10","1") = "9"
    & skf18("7","3","2","5","3","1","1") = "6"
    & skf18("7","3","2","5","3","2","1") = "6"
    & skf18("7","3","2","5","3","3","1") = "6"
    & skf18("7","3","2","5","3","4","1") = "6"
    & skf18("7","3","2","5","3","5","1") = "6"
    & skf18("7","3","2","5","3","6","1") = "6"
    & skf18("7","3","2","5","3","7","1") = "6"
    & skf18("7","3","2","5","3","8","1") = "7"
    & skf18("7","3","2","5","3","9","1") = "8"
    & skf18("7","3","2","5","3","10","1") = "9"
    & skf18("7","3","2","5","4","1","1") = "6"
    & skf18("7","3","2","5","4","2","1") = "6"
    & skf18("7","3","2","5","4","3","1") = "6"
    & skf18("7","3","2","5","4","4","1") = "6"
    & skf18("7","3","2","5","4","5","1") = "6"
    & skf18("7","3","2","5","4","6","1") = "6"
    & skf18("7","3","2","5","4","7","1") = "6"
    & skf18("7","3","2","5","4","8","1") = "7"
    & skf18("7","3","2","5","4","9","1") = "8"
    & skf18("7","3","2","5","4","10","1") = "9"
    & skf18("7","3","2","5","5","1","1") = "6"
    & skf18("7","3","2","5","5","2","1") = "6"
    & skf18("7","3","2","5","5","3","1") = "6"
    & skf18("7","3","2","5","5","4","1") = "6"
    & skf18("7","3","2","5","5","5","1") = "6"
    & skf18("7","3","2","5","5","6","1") = "6"
    & skf18("7","3","2","5","5","7","1") = "6"
    & skf18("7","3","2","5","5","8","1") = "7"
    & skf18("7","3","2","5","5","9","1") = "8"
    & skf18("7","3","2","5","5","10","1") = "9"
    & skf18("7","3","2","5","6","1","1") = "6"
    & skf18("7","3","2","5","6","2","1") = "6"
    & skf18("7","3","2","5","6","3","1") = "6"
    & skf18("7","3","2","5","6","4","1") = "6"
    & skf18("7","3","2","5","6","5","1") = "6"
    & skf18("7","3","2","5","6","6","1") = "6"
    & skf18("7","3","2","5","6","7","1") = "6"
    & skf18("7","3","2","5","6","8","1") = "7"
    & skf18("7","3","2","5","6","9","1") = "8"
    & skf18("7","3","2","5","6","10","1") = "9"
    & skf18("7","3","2","5","7","1","1") = "6"
    & skf18("7","3","2","5","7","2","1") = "6"
    & skf18("7","3","2","5","7","3","1") = "6"
    & skf18("7","3","2","5","7","4","1") = "6"
    & skf18("7","3","2","5","7","5","1") = "6"
    & skf18("7","3","2","5","7","6","1") = "6"
    & skf18("7","3","2","5","7","7","1") = "6"
    & skf18("7","3","2","5","7","8","1") = "7"
    & skf18("7","3","2","5","7","9","1") = "8"
    & skf18("7","3","2","5","7","10","1") = "9"
    & skf18("7","3","2","5","8","1","1") = "7"
    & skf18("7","3","2","5","8","2","1") = "7"
    & skf18("7","3","2","5","8","3","1") = "7"
    & skf18("7","3","2","5","8","4","1") = "7"
    & skf18("7","3","2","5","8","5","1") = "7"
    & skf18("7","3","2","5","8","6","1") = "7"
    & skf18("7","3","2","5","8","7","1") = "7"
    & skf18("7","3","2","5","8","8","1") = "7"
    & skf18("7","3","2","5","8","9","1") = "8"
    & skf18("7","3","2","5","8","10","1") = "9"
    & skf18("7","3","2","5","9","1","1") = "8"
    & skf18("7","3","2","5","9","2","1") = "8"
    & skf18("7","3","2","5","9","3","1") = "8"
    & skf18("7","3","2","5","9","4","1") = "8"
    & skf18("7","3","2","5","9","5","1") = "8"
    & skf18("7","3","2","5","9","6","1") = "8"
    & skf18("7","3","2","5","9","7","1") = "8"
    & skf18("7","3","2","5","9","8","1") = "8"
    & skf18("7","3","2","5","9","9","1") = "8"
    & skf18("7","3","2","5","9","10","1") = "9"
    & skf18("7","3","2","5","10","1","1") = "9"
    & skf18("7","3","2","5","10","2","1") = "9"
    & skf18("7","3","2","5","10","3","1") = "9"
    & skf18("7","3","2","5","10","4","1") = "9"
    & skf18("7","3","2","5","10","5","1") = "9"
    & skf18("7","3","2","5","10","6","1") = "9"
    & skf18("7","3","2","5","10","7","1") = "9"
    & skf18("7","3","2","5","10","8","1") = "9"
    & skf18("7","3","2","5","10","9","1") = "9"
    & skf18("7","3","2","5","10","10","1") = "9"
    & skf18("7","3","2","6","1","1","1") = "6"
    & skf18("7","3","2","6","1","2","1") = "6"
    & skf18("7","3","2","6","1","3","1") = "6"
    & skf18("7","3","2","6","1","4","1") = "6"
    & skf18("7","3","2","6","1","5","1") = "6"
    & skf18("7","3","2","6","1","6","1") = "6"
    & skf18("7","3","2","6","1","7","1") = "6"
    & skf18("7","3","2","6","1","8","1") = "7"
    & skf18("7","3","2","6","1","9","1") = "8"
    & skf18("7","3","2","6","1","10","1") = "9"
    & skf18("7","3","2","6","2","1","1") = "6"
    & skf18("7","3","2","6","2","2","1") = "6"
    & skf18("7","3","2","6","2","3","1") = "6"
    & skf18("7","3","2","6","2","4","1") = "6"
    & skf18("7","3","2","6","2","5","1") = "6"
    & skf18("7","3","2","6","2","6","1") = "6"
    & skf18("7","3","2","6","2","7","1") = "6"
    & skf18("7","3","2","6","2","8","1") = "7"
    & skf18("7","3","2","6","2","9","1") = "8"
    & skf18("7","3","2","6","2","10","1") = "9"
    & skf18("7","3","2","6","3","1","1") = "6"
    & skf18("7","3","2","6","3","2","1") = "6"
    & skf18("7","3","2","6","3","3","1") = "6"
    & skf18("7","3","2","6","3","4","1") = "6"
    & skf18("7","3","2","6","3","5","1") = "6"
    & skf18("7","3","2","6","3","6","1") = "6"
    & skf18("7","3","2","6","3","7","1") = "6"
    & skf18("7","3","2","6","3","8","1") = "7"
    & skf18("7","3","2","6","3","9","1") = "8"
    & skf18("7","3","2","6","3","10","1") = "9"
    & skf18("7","3","2","6","4","1","1") = "6"
    & skf18("7","3","2","6","4","2","1") = "6"
    & skf18("7","3","2","6","4","3","1") = "6"
    & skf18("7","3","2","6","4","4","1") = "6"
    & skf18("7","3","2","6","4","5","1") = "6"
    & skf18("7","3","2","6","4","6","1") = "6"
    & skf18("7","3","2","6","4","7","1") = "6"
    & skf18("7","3","2","6","4","8","1") = "7"
    & skf18("7","3","2","6","4","9","1") = "8"
    & skf18("7","3","2","6","4","10","1") = "9"
    & skf18("7","3","2","6","5","1","1") = "6"
    & skf18("7","3","2","6","5","2","1") = "6"
    & skf18("7","3","2","6","5","3","1") = "6"
    & skf18("7","3","2","6","5","4","1") = "6"
    & skf18("7","3","2","6","5","5","1") = "6"
    & skf18("7","3","2","6","5","6","1") = "6"
    & skf18("7","3","2","6","5","7","1") = "6"
    & skf18("7","3","2","6","5","8","1") = "7"
    & skf18("7","3","2","6","5","9","1") = "8"
    & skf18("7","3","2","6","5","10","1") = "9"
    & skf18("7","3","2","6","6","1","1") = "6"
    & skf18("7","3","2","6","6","2","1") = "6"
    & skf18("7","3","2","6","6","3","1") = "6"
    & skf18("7","3","2","6","6","4","1") = "6"
    & skf18("7","3","2","6","6","5","1") = "6"
    & skf18("7","3","2","6","6","6","1") = "6"
    & skf18("7","3","2","6","6","7","1") = "6"
    & skf18("7","3","2","6","6","8","1") = "7"
    & skf18("7","3","2","6","6","9","1") = "8"
    & skf18("7","3","2","6","6","10","1") = "9"
    & skf18("7","3","2","6","7","1","1") = "6"
    & skf18("7","3","2","6","7","2","1") = "6"
    & skf18("7","3","2","6","7","3","1") = "6"
    & skf18("7","3","2","6","7","4","1") = "6"
    & skf18("7","3","2","6","7","5","1") = "6"
    & skf18("7","3","2","6","7","6","1") = "6"
    & skf18("7","3","2","6","7","7","1") = "6"
    & skf18("7","3","2","6","7","8","1") = "7"
    & skf18("7","3","2","6","7","9","1") = "8"
    & skf18("7","3","2","6","7","10","1") = "9"
    & skf18("7","3","2","6","8","1","1") = "7"
    & skf18("7","3","2","6","8","2","1") = "7"
    & skf18("7","3","2","6","8","3","1") = "7"
    & skf18("7","3","2","6","8","4","1") = "7"
    & skf18("7","3","2","6","8","5","1") = "7"
    & skf18("7","3","2","6","8","6","1") = "7"
    & skf18("7","3","2","6","8","7","1") = "7"
    & skf18("7","3","2","6","8","8","1") = "7"
    & skf18("7","3","2","6","8","9","1") = "8"
    & skf18("7","3","2","6","8","10","1") = "9"
    & skf18("7","3","2","6","9","1","1") = "8"
    & skf18("7","3","2","6","9","2","1") = "8"
    & skf18("7","3","2","6","9","3","1") = "8"
    & skf18("7","3","2","6","9","4","1") = "8"
    & skf18("7","3","2","6","9","5","1") = "8"
    & skf18("7","3","2","6","9","6","1") = "8"
    & skf18("7","3","2","6","9","7","1") = "8"
    & skf18("7","3","2","6","9","8","1") = "8"
    & skf18("7","3","2","6","9","9","1") = "8"
    & skf18("7","3","2","6","9","10","1") = "9"
    & skf18("7","3","2","6","10","1","1") = "9"
    & skf18("7","3","2","6","10","2","1") = "9"
    & skf18("7","3","2","6","10","3","1") = "9"
    & skf18("7","3","2","6","10","4","1") = "9"
    & skf18("7","3","2","6","10","5","1") = "9"
    & skf18("7","3","2","6","10","6","1") = "9"
    & skf18("7","3","2","6","10","7","1") = "9"
    & skf18("7","3","2","6","10","8","1") = "9"
    & skf18("7","3","2","6","10","9","1") = "9"
    & skf18("7","3","2","6","10","10","1") = "9"
    & skf18("7","3","2","7","1","1","1") = "6"
    & skf18("7","3","2","7","1","2","1") = "6"
    & skf18("7","3","2","7","1","3","1") = "6"
    & skf18("7","3","2","7","1","4","1") = "6"
    & skf18("7","3","2","7","1","5","1") = "6"
    & skf18("7","3","2","7","1","6","1") = "6"
    & skf18("7","3","2","7","1","7","1") = "6"
    & skf18("7","3","2","7","1","8","1") = "7"
    & skf18("7","3","2","7","1","9","1") = "8"
    & skf18("7","3","2","7","1","10","1") = "9"
    & skf18("7","3","2","7","2","1","1") = "6"
    & skf18("7","3","2","7","2","2","1") = "6"
    & skf18("7","3","2","7","2","3","1") = "6"
    & skf18("7","3","2","7","2","4","1") = "6"
    & skf18("7","3","2","7","2","5","1") = "6"
    & skf18("7","3","2","7","2","6","1") = "6"
    & skf18("7","3","2","7","2","7","1") = "6"
    & skf18("7","3","2","7","2","8","1") = "7"
    & skf18("7","3","2","7","2","9","1") = "8"
    & skf18("7","3","2","7","2","10","1") = "9"
    & skf18("7","3","2","7","3","1","1") = "6"
    & skf18("7","3","2","7","3","2","1") = "6"
    & skf18("7","3","2","7","3","3","1") = "6"
    & skf18("7","3","2","7","3","4","1") = "6"
    & skf18("7","3","2","7","3","5","1") = "6"
    & skf18("7","3","2","7","3","6","1") = "6"
    & skf18("7","3","2","7","3","7","1") = "6"
    & skf18("7","3","2","7","3","8","1") = "7"
    & skf18("7","3","2","7","3","9","1") = "8"
    & skf18("7","3","2","7","3","10","1") = "9"
    & skf18("7","3","2","7","4","1","1") = "6"
    & skf18("7","3","2","7","4","2","1") = "6"
    & skf18("7","3","2","7","4","3","1") = "6"
    & skf18("7","3","2","7","4","4","1") = "6"
    & skf18("7","3","2","7","4","5","1") = "6"
    & skf18("7","3","2","7","4","6","1") = "6"
    & skf18("7","3","2","7","4","7","1") = "6"
    & skf18("7","3","2","7","4","8","1") = "7"
    & skf18("7","3","2","7","4","9","1") = "8"
    & skf18("7","3","2","7","4","10","1") = "9"
    & skf18("7","3","2","7","5","1","1") = "6"
    & skf18("7","3","2","7","5","2","1") = "6"
    & skf18("7","3","2","7","5","3","1") = "6"
    & skf18("7","3","2","7","5","4","1") = "6"
    & skf18("7","3","2","7","5","5","1") = "6"
    & skf18("7","3","2","7","5","6","1") = "6"
    & skf18("7","3","2","7","5","7","1") = "6"
    & skf18("7","3","2","7","5","8","1") = "7"
    & skf18("7","3","2","7","5","9","1") = "8"
    & skf18("7","3","2","7","5","10","1") = "9"
    & skf18("7","3","2","7","6","1","1") = "6"
    & skf18("7","3","2","7","6","2","1") = "6"
    & skf18("7","3","2","7","6","3","1") = "6"
    & skf18("7","3","2","7","6","4","1") = "6"
    & skf18("7","3","2","7","6","5","1") = "6"
    & skf18("7","3","2","7","6","6","1") = "6"
    & skf18("7","3","2","7","6","7","1") = "6"
    & skf18("7","3","2","7","6","8","1") = "7"
    & skf18("7","3","2","7","6","9","1") = "8"
    & skf18("7","3","2","7","6","10","1") = "9"
    & skf18("7","3","2","7","7","1","1") = "6"
    & skf18("7","3","2","7","7","2","1") = "6"
    & skf18("7","3","2","7","7","3","1") = "6"
    & skf18("7","3","2","7","7","4","1") = "6"
    & skf18("7","3","2","7","7","5","1") = "6"
    & skf18("7","3","2","7","7","6","1") = "6"
    & skf18("7","3","2","7","7","7","1") = "6"
    & skf18("7","3","2","7","7","8","1") = "7"
    & skf18("7","3","2","7","7","9","1") = "8"
    & skf18("7","3","2","7","7","10","1") = "9"
    & skf18("7","3","2","7","8","1","1") = "7"
    & skf18("7","3","2","7","8","2","1") = "7"
    & skf18("7","3","2","7","8","3","1") = "7"
    & skf18("7","3","2","7","8","4","1") = "7"
    & skf18("7","3","2","7","8","5","1") = "7"
    & skf18("7","3","2","7","8","6","1") = "7"
    & skf18("7","3","2","7","8","7","1") = "7"
    & skf18("7","3","2","7","8","8","1") = "7"
    & skf18("7","3","2","7","8","9","1") = "8"
    & skf18("7","3","2","7","8","10","1") = "9"
    & skf18("7","3","2","7","9","1","1") = "8"
    & skf18("7","3","2","7","9","2","1") = "8"
    & skf18("7","3","2","7","9","3","1") = "8"
    & skf18("7","3","2","7","9","4","1") = "8"
    & skf18("7","3","2","7","9","5","1") = "8"
    & skf18("7","3","2","7","9","6","1") = "8"
    & skf18("7","3","2","7","9","7","1") = "8"
    & skf18("7","3","2","7","9","8","1") = "8"
    & skf18("7","3","2","7","9","9","1") = "8"
    & skf18("7","3","2","7","9","10","1") = "9"
    & skf18("7","3","2","7","10","1","1") = "9"
    & skf18("7","3","2","7","10","2","1") = "9"
    & skf18("7","3","2","7","10","3","1") = "9"
    & skf18("7","3","2","7","10","4","1") = "9"
    & skf18("7","3","2","7","10","5","1") = "9"
    & skf18("7","3","2","7","10","6","1") = "9"
    & skf18("7","3","2","7","10","7","1") = "9"
    & skf18("7","3","2","7","10","8","1") = "9"
    & skf18("7","3","2","7","10","9","1") = "9"
    & skf18("7","3","2","7","10","10","1") = "9"
    & skf18("7","3","2","8","1","1","1") = "7"
    & skf18("7","3","2","8","1","2","1") = "7"
    & skf18("7","3","2","8","1","3","1") = "7"
    & skf18("7","3","2","8","1","4","1") = "7"
    & skf18("7","3","2","8","1","5","1") = "7"
    & skf18("7","3","2","8","1","6","1") = "7"
    & skf18("7","3","2","8","1","7","1") = "7"
    & skf18("7","3","2","8","1","8","1") = "7"
    & skf18("7","3","2","8","1","9","1") = "8"
    & skf18("7","3","2","8","1","10","1") = "9"
    & skf18("7","3","2","8","2","1","1") = "7"
    & skf18("7","3","2","8","2","2","1") = "7"
    & skf18("7","3","2","8","2","3","1") = "7"
    & skf18("7","3","2","8","2","4","1") = "7"
    & skf18("7","3","2","8","2","5","1") = "7"
    & skf18("7","3","2","8","2","6","1") = "7"
    & skf18("7","3","2","8","2","7","1") = "7"
    & skf18("7","3","2","8","2","8","1") = "7"
    & skf18("7","3","2","8","2","9","1") = "8"
    & skf18("7","3","2","8","2","10","1") = "9"
    & skf18("7","3","2","8","3","1","1") = "7"
    & skf18("7","3","2","8","3","2","1") = "7"
    & skf18("7","3","2","8","3","3","1") = "7"
    & skf18("7","3","2","8","3","4","1") = "7"
    & skf18("7","3","2","8","3","5","1") = "7"
    & skf18("7","3","2","8","3","6","1") = "7"
    & skf18("7","3","2","8","3","7","1") = "7"
    & skf18("7","3","2","8","3","8","1") = "7"
    & skf18("7","3","2","8","3","9","1") = "8"
    & skf18("7","3","2","8","3","10","1") = "9"
    & skf18("7","3","2","8","4","1","1") = "7"
    & skf18("7","3","2","8","4","2","1") = "7"
    & skf18("7","3","2","8","4","3","1") = "7"
    & skf18("7","3","2","8","4","4","1") = "7"
    & skf18("7","3","2","8","4","5","1") = "7"
    & skf18("7","3","2","8","4","6","1") = "7"
    & skf18("7","3","2","8","4","7","1") = "7"
    & skf18("7","3","2","8","4","8","1") = "7"
    & skf18("7","3","2","8","4","9","1") = "8"
    & skf18("7","3","2","8","4","10","1") = "9"
    & skf18("7","3","2","8","5","1","1") = "7"
    & skf18("7","3","2","8","5","2","1") = "7"
    & skf18("7","3","2","8","5","3","1") = "7"
    & skf18("7","3","2","8","5","4","1") = "7"
    & skf18("7","3","2","8","5","5","1") = "7"
    & skf18("7","3","2","8","5","6","1") = "7"
    & skf18("7","3","2","8","5","7","1") = "7"
    & skf18("7","3","2","8","5","8","1") = "7"
    & skf18("7","3","2","8","5","9","1") = "8"
    & skf18("7","3","2","8","5","10","1") = "9"
    & skf18("7","3","2","8","6","1","1") = "7"
    & skf18("7","3","2","8","6","2","1") = "7"
    & skf18("7","3","2","8","6","3","1") = "7"
    & skf18("7","3","2","8","6","4","1") = "7"
    & skf18("7","3","2","8","6","5","1") = "7"
    & skf18("7","3","2","8","6","6","1") = "7"
    & skf18("7","3","2","8","6","7","1") = "7"
    & skf18("7","3","2","8","6","8","1") = "7"
    & skf18("7","3","2","8","6","9","1") = "8"
    & skf18("7","3","2","8","6","10","1") = "9"
    & skf18("7","3","2","8","7","1","1") = "7"
    & skf18("7","3","2","8","7","2","1") = "7"
    & skf18("7","3","2","8","7","3","1") = "7"
    & skf18("7","3","2","8","7","4","1") = "7"
    & skf18("7","3","2","8","7","5","1") = "7"
    & skf18("7","3","2","8","7","6","1") = "7"
    & skf18("7","3","2","8","7","7","1") = "7"
    & skf18("7","3","2","8","7","8","1") = "7"
    & skf18("7","3","2","8","7","9","1") = "8"
    & skf18("7","3","2","8","7","10","1") = "9"
    & skf18("7","3","2","8","8","1","1") = "7"
    & skf18("7","3","2","8","8","2","1") = "7"
    & skf18("7","3","2","8","8","3","1") = "7"
    & skf18("7","3","2","8","8","4","1") = "7"
    & skf18("7","3","2","8","8","5","1") = "7"
    & skf18("7","3","2","8","8","6","1") = "7"
    & skf18("7","3","2","8","8","7","1") = "7"
    & skf18("7","3","2","8","8","8","1") = "7"
    & skf18("7","3","2","8","8","9","1") = "8"
    & skf18("7","3","2","8","8","10","1") = "9"
    & skf18("7","3","2","8","9","1","1") = "8"
    & skf18("7","3","2","8","9","2","1") = "8"
    & skf18("7","3","2","8","9","3","1") = "8"
    & skf18("7","3","2","8","9","4","1") = "8"
    & skf18("7","3","2","8","9","5","1") = "8"
    & skf18("7","3","2","8","9","6","1") = "8"
    & skf18("7","3","2","8","9","7","1") = "8"
    & skf18("7","3","2","8","9","8","1") = "8"
    & skf18("7","3","2","8","9","9","1") = "8"
    & skf18("7","3","2","8","9","10","1") = "9"
    & skf18("7","3","2","8","10","1","1") = "9"
    & skf18("7","3","2","8","10","2","1") = "9"
    & skf18("7","3","2","8","10","3","1") = "9"
    & skf18("7","3","2","8","10","4","1") = "9"
    & skf18("7","3","2","8","10","5","1") = "9"
    & skf18("7","3","2","8","10","6","1") = "9"
    & skf18("7","3","2","8","10","7","1") = "9"
    & skf18("7","3","2","8","10","8","1") = "9"
    & skf18("7","3","2","8","10","9","1") = "9"
    & skf18("7","3","2","8","10","10","1") = "9"
    & skf18("7","3","2","9","1","1","1") = "8"
    & skf18("7","3","2","9","1","2","1") = "8"
    & skf18("7","3","2","9","1","3","1") = "8"
    & skf18("7","3","2","9","1","4","1") = "8"
    & skf18("7","3","2","9","1","5","1") = "8"
    & skf18("7","3","2","9","1","6","1") = "8"
    & skf18("7","3","2","9","1","7","1") = "8"
    & skf18("7","3","2","9","1","8","1") = "8"
    & skf18("7","3","2","9","1","9","1") = "8"
    & skf18("7","3","2","9","1","10","1") = "9"
    & skf18("7","3","2","9","2","1","1") = "8"
    & skf18("7","3","2","9","2","2","1") = "8"
    & skf18("7","3","2","9","2","3","1") = "8"
    & skf18("7","3","2","9","2","4","1") = "8"
    & skf18("7","3","2","9","2","5","1") = "8"
    & skf18("7","3","2","9","2","6","1") = "8"
    & skf18("7","3","2","9","2","7","1") = "8"
    & skf18("7","3","2","9","2","8","1") = "8"
    & skf18("7","3","2","9","2","9","1") = "8"
    & skf18("7","3","2","9","2","10","1") = "9"
    & skf18("7","3","2","9","3","1","1") = "8"
    & skf18("7","3","2","9","3","2","1") = "8"
    & skf18("7","3","2","9","3","3","1") = "8"
    & skf18("7","3","2","9","3","4","1") = "8"
    & skf18("7","3","2","9","3","5","1") = "8"
    & skf18("7","3","2","9","3","6","1") = "8"
    & skf18("7","3","2","9","3","7","1") = "8"
    & skf18("7","3","2","9","3","8","1") = "8"
    & skf18("7","3","2","9","3","9","1") = "8"
    & skf18("7","3","2","9","3","10","1") = "9"
    & skf18("7","3","2","9","4","1","1") = "8"
    & skf18("7","3","2","9","4","2","1") = "8"
    & skf18("7","3","2","9","4","3","1") = "8"
    & skf18("7","3","2","9","4","4","1") = "8"
    & skf18("7","3","2","9","4","5","1") = "8"
    & skf18("7","3","2","9","4","6","1") = "8"
    & skf18("7","3","2","9","4","7","1") = "8"
    & skf18("7","3","2","9","4","8","1") = "8"
    & skf18("7","3","2","9","4","9","1") = "8"
    & skf18("7","3","2","9","4","10","1") = "9"
    & skf18("7","3","2","9","5","1","1") = "8"
    & skf18("7","3","2","9","5","2","1") = "8"
    & skf18("7","3","2","9","5","3","1") = "8"
    & skf18("7","3","2","9","5","4","1") = "8"
    & skf18("7","3","2","9","5","5","1") = "8"
    & skf18("7","3","2","9","5","6","1") = "8"
    & skf18("7","3","2","9","5","7","1") = "8"
    & skf18("7","3","2","9","5","8","1") = "8"
    & skf18("7","3","2","9","5","9","1") = "8"
    & skf18("7","3","2","9","5","10","1") = "9"
    & skf18("7","3","2","9","6","1","1") = "8"
    & skf18("7","3","2","9","6","2","1") = "8"
    & skf18("7","3","2","9","6","3","1") = "8"
    & skf18("7","3","2","9","6","4","1") = "8"
    & skf18("7","3","2","9","6","5","1") = "8"
    & skf18("7","3","2","9","6","6","1") = "8"
    & skf18("7","3","2","9","6","7","1") = "8"
    & skf18("7","3","2","9","6","8","1") = "8"
    & skf18("7","3","2","9","6","9","1") = "8"
    & skf18("7","3","2","9","6","10","1") = "9"
    & skf18("7","3","2","9","7","1","1") = "8"
    & skf18("7","3","2","9","7","2","1") = "8"
    & skf18("7","3","2","9","7","3","1") = "8"
    & skf18("7","3","2","9","7","4","1") = "8"
    & skf18("7","3","2","9","7","5","1") = "8"
    & skf18("7","3","2","9","7","6","1") = "8"
    & skf18("7","3","2","9","7","7","1") = "8"
    & skf18("7","3","2","9","7","8","1") = "8"
    & skf18("7","3","2","9","7","9","1") = "8"
    & skf18("7","3","2","9","7","10","1") = "9"
    & skf18("7","3","2","9","8","1","1") = "8"
    & skf18("7","3","2","9","8","2","1") = "8"
    & skf18("7","3","2","9","8","3","1") = "8"
    & skf18("7","3","2","9","8","4","1") = "8"
    & skf18("7","3","2","9","8","5","1") = "8"
    & skf18("7","3","2","9","8","6","1") = "8"
    & skf18("7","3","2","9","8","7","1") = "8"
    & skf18("7","3","2","9","8","8","1") = "8"
    & skf18("7","3","2","9","8","9","1") = "8"
    & skf18("7","3","2","9","8","10","1") = "9"
    & skf18("7","3","2","9","9","1","1") = "8"
    & skf18("7","3","2","9","9","2","1") = "8"
    & skf18("7","3","2","9","9","3","1") = "8"
    & skf18("7","3","2","9","9","4","1") = "8"
    & skf18("7","3","2","9","9","5","1") = "8"
    & skf18("7","3","2","9","9","6","1") = "8"
    & skf18("7","3","2","9","9","7","1") = "8"
    & skf18("7","3","2","9","9","8","1") = "8"
    & skf18("7","3","2","9","9","9","1") = "8"
    & skf18("7","3","2","9","9","10","1") = "9"
    & skf18("7","3","2","9","10","1","1") = "9"
    & skf18("7","3","2","9","10","2","1") = "9"
    & skf18("7","3","2","9","10","3","1") = "9"
    & skf18("7","3","2","9","10","4","1") = "9"
    & skf18("7","3","2","9","10","5","1") = "9"
    & skf18("7","3","2","9","10","6","1") = "9"
    & skf18("7","3","2","9","10","7","1") = "9"
    & skf18("7","3","2","9","10","8","1") = "9"
    & skf18("7","3","2","9","10","9","1") = "9"
    & skf18("7","3","2","9","10","10","1") = "9"
    & skf18("7","3","2","10","1","1","1") = "9"
    & skf18("7","3","2","10","1","2","1") = "9"
    & skf18("7","3","2","10","1","3","1") = "9"
    & skf18("7","3","2","10","1","4","1") = "9"
    & skf18("7","3","2","10","1","5","1") = "9"
    & skf18("7","3","2","10","1","6","1") = "9"
    & skf18("7","3","2","10","1","7","1") = "9"
    & skf18("7","3","2","10","1","8","1") = "9"
    & skf18("7","3","2","10","1","9","1") = "9"
    & skf18("7","3","2","10","1","10","1") = "9"
    & skf18("7","3","2","10","2","1","1") = "9"
    & skf18("7","3","2","10","2","2","1") = "9"
    & skf18("7","3","2","10","2","3","1") = "9"
    & skf18("7","3","2","10","2","4","1") = "9"
    & skf18("7","3","2","10","2","5","1") = "9"
    & skf18("7","3","2","10","2","6","1") = "9"
    & skf18("7","3","2","10","2","7","1") = "9"
    & skf18("7","3","2","10","2","8","1") = "9"
    & skf18("7","3","2","10","2","9","1") = "9"
    & skf18("7","3","2","10","2","10","1") = "9"
    & skf18("7","3","2","10","3","1","1") = "9"
    & skf18("7","3","2","10","3","2","1") = "9"
    & skf18("7","3","2","10","3","3","1") = "9"
    & skf18("7","3","2","10","3","4","1") = "9"
    & skf18("7","3","2","10","3","5","1") = "9"
    & skf18("7","3","2","10","3","6","1") = "9"
    & skf18("7","3","2","10","3","7","1") = "9"
    & skf18("7","3","2","10","3","8","1") = "9"
    & skf18("7","3","2","10","3","9","1") = "9"
    & skf18("7","3","2","10","3","10","1") = "9"
    & skf18("7","3","2","10","4","1","1") = "9"
    & skf18("7","3","2","10","4","2","1") = "9"
    & skf18("7","3","2","10","4","3","1") = "9"
    & skf18("7","3","2","10","4","4","1") = "9"
    & skf18("7","3","2","10","4","5","1") = "9"
    & skf18("7","3","2","10","4","6","1") = "9"
    & skf18("7","3","2","10","4","7","1") = "9"
    & skf18("7","3","2","10","4","8","1") = "9"
    & skf18("7","3","2","10","4","9","1") = "9"
    & skf18("7","3","2","10","4","10","1") = "9"
    & skf18("7","3","2","10","5","1","1") = "9"
    & skf18("7","3","2","10","5","2","1") = "9"
    & skf18("7","3","2","10","5","3","1") = "9"
    & skf18("7","3","2","10","5","4","1") = "9"
    & skf18("7","3","2","10","5","5","1") = "9"
    & skf18("7","3","2","10","5","6","1") = "9"
    & skf18("7","3","2","10","5","7","1") = "9"
    & skf18("7","3","2","10","5","8","1") = "9"
    & skf18("7","3","2","10","5","9","1") = "9"
    & skf18("7","3","2","10","5","10","1") = "9"
    & skf18("7","3","2","10","6","1","1") = "9"
    & skf18("7","3","2","10","6","2","1") = "9"
    & skf18("7","3","2","10","6","3","1") = "9"
    & skf18("7","3","2","10","6","4","1") = "9"
    & skf18("7","3","2","10","6","5","1") = "9"
    & skf18("7","3","2","10","6","6","1") = "9"
    & skf18("7","3","2","10","6","7","1") = "9"
    & skf18("7","3","2","10","6","8","1") = "9"
    & skf18("7","3","2","10","6","9","1") = "9"
    & skf18("7","3","2","10","6","10","1") = "9"
    & skf18("7","3","2","10","7","1","1") = "9"
    & skf18("7","3","2","10","7","2","1") = "9"
    & skf18("7","3","2","10","7","3","1") = "9"
    & skf18("7","3","2","10","7","4","1") = "9"
    & skf18("7","3","2","10","7","5","1") = "9"
    & skf18("7","3","2","10","7","6","1") = "9"
    & skf18("7","3","2","10","7","7","1") = "9"
    & skf18("7","3","2","10","7","8","1") = "9"
    & skf18("7","3","2","10","7","9","1") = "9"
    & skf18("7","3","2","10","7","10","1") = "9"
    & skf18("7","3","2","10","8","1","1") = "9"
    & skf18("7","3","2","10","8","2","1") = "9"
    & skf18("7","3","2","10","8","3","1") = "9"
    & skf18("7","3","2","10","8","4","1") = "9"
    & skf18("7","3","2","10","8","5","1") = "9"
    & skf18("7","3","2","10","8","6","1") = "9"
    & skf18("7","3","2","10","8","7","1") = "9"
    & skf18("7","3","2","10","8","8","1") = "9"
    & skf18("7","3","2","10","8","9","1") = "9"
    & skf18("7","3","2","10","8","10","1") = "9"
    & skf18("7","3","2","10","9","1","1") = "9"
    & skf18("7","3","2","10","9","2","1") = "9"
    & skf18("7","3","2","10","9","3","1") = "9"
    & skf18("7","3","2","10","9","4","1") = "9"
    & skf18("7","3","2","10","9","5","1") = "9"
    & skf18("7","3","2","10","9","6","1") = "9"
    & skf18("7","3","2","10","9","7","1") = "9"
    & skf18("7","3","2","10","9","8","1") = "9"
    & skf18("7","3","2","10","9","9","1") = "9"
    & skf18("7","3","2","10","9","10","1") = "9"
    & skf18("7","3","2","10","10","1","1") = "9"
    & skf18("7","3","2","10","10","2","1") = "9"
    & skf18("7","3","2","10","10","3","1") = "9"
    & skf18("7","3","2","10","10","4","1") = "9"
    & skf18("7","3","2","10","10","5","1") = "9"
    & skf18("7","3","2","10","10","6","1") = "9"
    & skf18("7","3","2","10","10","7","1") = "9"
    & skf18("7","3","2","10","10","8","1") = "9"
    & skf18("7","3","2","10","10","9","1") = "9"
    & skf18("7","3","2","10","10","10","1") = "9"
    & skf18("7","3","3","1","1","1","1") = "6"
    & skf18("7","3","3","1","1","2","1") = "6"
    & skf18("7","3","3","1","1","3","1") = "6"
    & skf18("7","3","3","1","1","4","1") = "6"
    & skf18("7","3","3","1","1","5","1") = "6"
    & skf18("7","3","3","1","1","6","1") = "6"
    & skf18("7","3","3","1","1","7","1") = "6"
    & skf18("7","3","3","1","1","8","1") = "7"
    & skf18("7","3","3","1","1","9","1") = "8"
    & skf18("7","3","3","1","1","10","1") = "9"
    & skf18("7","3","3","1","2","1","1") = "6"
    & skf18("7","3","3","1","2","2","1") = "6"
    & skf18("7","3","3","1","2","3","1") = "6"
    & skf18("7","3","3","1","2","4","1") = "6"
    & skf18("7","3","3","1","2","5","1") = "6"
    & skf18("7","3","3","1","2","6","1") = "6"
    & skf18("7","3","3","1","2","7","1") = "6"
    & skf18("7","3","3","1","2","8","1") = "7"
    & skf18("7","3","3","1","2","9","1") = "8"
    & skf18("7","3","3","1","2","10","1") = "9"
    & skf18("7","3","3","1","3","1","1") = "6"
    & skf18("7","3","3","1","3","2","1") = "6"
    & skf18("7","3","3","1","3","3","1") = "6"
    & skf18("7","3","3","1","3","4","1") = "6"
    & skf18("7","3","3","1","3","5","1") = "6"
    & skf18("7","3","3","1","3","6","1") = "6"
    & skf18("7","3","3","1","3","7","1") = "6"
    & skf18("7","3","3","1","3","8","1") = "7"
    & skf18("7","3","3","1","3","9","1") = "8"
    & skf18("7","3","3","1","3","10","1") = "9"
    & skf18("7","3","3","1","4","1","1") = "6"
    & skf18("7","3","3","1","4","2","1") = "6"
    & skf18("7","3","3","1","4","3","1") = "6"
    & skf18("7","3","3","1","4","4","1") = "6"
    & skf18("7","3","3","1","4","5","1") = "6"
    & skf18("7","3","3","1","4","6","1") = "6"
    & skf18("7","3","3","1","4","7","1") = "6"
    & skf18("7","3","3","1","4","8","1") = "7"
    & skf18("7","3","3","1","4","9","1") = "8"
    & skf18("7","3","3","1","4","10","1") = "9"
    & skf18("7","3","3","1","5","1","1") = "6"
    & skf18("7","3","3","1","5","2","1") = "6"
    & skf18("7","3","3","1","5","3","1") = "6"
    & skf18("7","3","3","1","5","4","1") = "6"
    & skf18("7","3","3","1","5","5","1") = "6"
    & skf18("7","3","3","1","5","6","1") = "6"
    & skf18("7","3","3","1","5","7","1") = "6"
    & skf18("7","3","3","1","5","8","1") = "7"
    & skf18("7","3","3","1","5","9","1") = "8"
    & skf18("7","3","3","1","5","10","1") = "9"
    & skf18("7","3","3","1","6","1","1") = "6"
    & skf18("7","3","3","1","6","2","1") = "6"
    & skf18("7","3","3","1","6","3","1") = "6"
    & skf18("7","3","3","1","6","4","1") = "6"
    & skf18("7","3","3","1","6","5","1") = "6"
    & skf18("7","3","3","1","6","6","1") = "6"
    & skf18("7","3","3","1","6","7","1") = "6"
    & skf18("7","3","3","1","6","8","1") = "7"
    & skf18("7","3","3","1","6","9","1") = "8"
    & skf18("7","3","3","1","6","10","1") = "9"
    & skf18("7","3","3","1","7","1","1") = "6"
    & skf18("7","3","3","1","7","2","1") = "6"
    & skf18("7","3","3","1","7","3","1") = "6"
    & skf18("7","3","3","1","7","4","1") = "6"
    & skf18("7","3","3","1","7","5","1") = "6"
    & skf18("7","3","3","1","7","6","1") = "6"
    & skf18("7","3","3","1","7","7","1") = "6"
    & skf18("7","3","3","1","7","8","1") = "7"
    & skf18("7","3","3","1","7","9","1") = "8"
    & skf18("7","3","3","1","7","10","1") = "9"
    & skf18("7","3","3","1","8","1","1") = "7"
    & skf18("7","3","3","1","8","2","1") = "7"
    & skf18("7","3","3","1","8","3","1") = "7"
    & skf18("7","3","3","1","8","4","1") = "7"
    & skf18("7","3","3","1","8","5","1") = "7"
    & skf18("7","3","3","1","8","6","1") = "7"
    & skf18("7","3","3","1","8","7","1") = "7"
    & skf18("7","3","3","1","8","8","1") = "7"
    & skf18("7","3","3","1","8","9","1") = "8"
    & skf18("7","3","3","1","8","10","1") = "9"
    & skf18("7","3","3","1","9","1","1") = "8"
    & skf18("7","3","3","1","9","2","1") = "8"
    & skf18("7","3","3","1","9","3","1") = "8"
    & skf18("7","3","3","1","9","4","1") = "8"
    & skf18("7","3","3","1","9","5","1") = "8"
    & skf18("7","3","3","1","9","6","1") = "8"
    & skf18("7","3","3","1","9","7","1") = "8"
    & skf18("7","3","3","1","9","8","1") = "8"
    & skf18("7","3","3","1","9","9","1") = "8"
    & skf18("7","3","3","1","9","10","1") = "9"
    & skf18("7","3","3","1","10","1","1") = "9"
    & skf18("7","3","3","1","10","2","1") = "9"
    & skf18("7","3","3","1","10","3","1") = "9"
    & skf18("7","3","3","1","10","4","1") = "9"
    & skf18("7","3","3","1","10","5","1") = "9"
    & skf18("7","3","3","1","10","6","1") = "9"
    & skf18("7","3","3","1","10","7","1") = "9"
    & skf18("7","3","3","1","10","8","1") = "9"
    & skf18("7","3","3","1","10","9","1") = "9"
    & skf18("7","3","3","1","10","10","1") = "9"
    & skf18("7","3","3","2","1","1","1") = "6"
    & skf18("7","3","3","2","1","2","1") = "6"
    & skf18("7","3","3","2","1","3","1") = "6"
    & skf18("7","3","3","2","1","4","1") = "6"
    & skf18("7","3","3","2","1","5","1") = "6"
    & skf18("7","3","3","2","1","6","1") = "6"
    & skf18("7","3","3","2","1","7","1") = "6"
    & skf18("7","3","3","2","1","8","1") = "7"
    & skf18("7","3","3","2","1","9","1") = "8"
    & skf18("7","3","3","2","1","10","1") = "9"
    & skf18("7","3","3","2","2","1","1") = "6"
    & skf18("7","3","3","2","2","2","1") = "6"
    & skf18("7","3","3","2","2","3","1") = "6"
    & skf18("7","3","3","2","2","4","1") = "6"
    & skf18("7","3","3","2","2","5","1") = "6"
    & skf18("7","3","3","2","2","6","1") = "6"
    & skf18("7","3","3","2","2","7","1") = "6"
    & skf18("7","3","3","2","2","8","1") = "7"
    & skf18("7","3","3","2","2","9","1") = "8"
    & skf18("7","3","3","2","2","10","1") = "9"
    & skf18("7","3","3","2","3","1","1") = "6"
    & skf18("7","3","3","2","3","2","1") = "6"
    & skf18("7","3","3","2","3","3","1") = "6"
    & skf18("7","3","3","2","3","4","1") = "6"
    & skf18("7","3","3","2","3","5","1") = "6"
    & skf18("7","3","3","2","3","6","1") = "6"
    & skf18("7","3","3","2","3","7","1") = "6"
    & skf18("7","3","3","2","3","8","1") = "7"
    & skf18("7","3","3","2","3","9","1") = "8"
    & skf18("7","3","3","2","3","10","1") = "9"
    & skf18("7","3","3","2","4","1","1") = "6"
    & skf18("7","3","3","2","4","2","1") = "6"
    & skf18("7","3","3","2","4","3","1") = "6"
    & skf18("7","3","3","2","4","4","1") = "6"
    & skf18("7","3","3","2","4","5","1") = "6"
    & skf18("7","3","3","2","4","6","1") = "6"
    & skf18("7","3","3","2","4","7","1") = "6"
    & skf18("7","3","3","2","4","8","1") = "7"
    & skf18("7","3","3","2","4","9","1") = "8"
    & skf18("7","3","3","2","4","10","1") = "9"
    & skf18("7","3","3","2","5","1","1") = "6"
    & skf18("7","3","3","2","5","2","1") = "6"
    & skf18("7","3","3","2","5","3","1") = "6"
    & skf18("7","3","3","2","5","4","1") = "6"
    & skf18("7","3","3","2","5","5","1") = "6"
    & skf18("7","3","3","2","5","6","1") = "6"
    & skf18("7","3","3","2","5","7","1") = "6"
    & skf18("7","3","3","2","5","8","1") = "7"
    & skf18("7","3","3","2","5","9","1") = "8"
    & skf18("7","3","3","2","5","10","1") = "9"
    & skf18("7","3","3","2","6","1","1") = "6"
    & skf18("7","3","3","2","6","2","1") = "6"
    & skf18("7","3","3","2","6","3","1") = "6"
    & skf18("7","3","3","2","6","4","1") = "6"
    & skf18("7","3","3","2","6","5","1") = "6"
    & skf18("7","3","3","2","6","6","1") = "6"
    & skf18("7","3","3","2","6","7","1") = "6"
    & skf18("7","3","3","2","6","8","1") = "7"
    & skf18("7","3","3","2","6","9","1") = "8"
    & skf18("7","3","3","2","6","10","1") = "9"
    & skf18("7","3","3","2","7","1","1") = "6"
    & skf18("7","3","3","2","7","2","1") = "6"
    & skf18("7","3","3","2","7","3","1") = "6"
    & skf18("7","3","3","2","7","4","1") = "6"
    & skf18("7","3","3","2","7","5","1") = "6"
    & skf18("7","3","3","2","7","6","1") = "6"
    & skf18("7","3","3","2","7","7","1") = "6"
    & skf18("7","3","3","2","7","8","1") = "7"
    & skf18("7","3","3","2","7","9","1") = "8"
    & skf18("7","3","3","2","7","10","1") = "9"
    & skf18("7","3","3","2","8","1","1") = "7"
    & skf18("7","3","3","2","8","2","1") = "7"
    & skf18("7","3","3","2","8","3","1") = "7"
    & skf18("7","3","3","2","8","4","1") = "7"
    & skf18("7","3","3","2","8","5","1") = "7"
    & skf18("7","3","3","2","8","6","1") = "7"
    & skf18("7","3","3","2","8","7","1") = "7"
    & skf18("7","3","3","2","8","8","1") = "7"
    & skf18("7","3","3","2","8","9","1") = "8"
    & skf18("7","3","3","2","8","10","1") = "9"
    & skf18("7","3","3","2","9","1","1") = "8"
    & skf18("7","3","3","2","9","2","1") = "8"
    & skf18("7","3","3","2","9","3","1") = "8"
    & skf18("7","3","3","2","9","4","1") = "8"
    & skf18("7","3","3","2","9","5","1") = "8"
    & skf18("7","3","3","2","9","6","1") = "8"
    & skf18("7","3","3","2","9","7","1") = "8"
    & skf18("7","3","3","2","9","8","1") = "8"
    & skf18("7","3","3","2","9","9","1") = "8"
    & skf18("7","3","3","2","9","10","1") = "9"
    & skf18("7","3","3","2","10","1","1") = "9"
    & skf18("7","3","3","2","10","2","1") = "9"
    & skf18("7","3","3","2","10","3","1") = "9"
    & skf18("7","3","3","2","10","4","1") = "9"
    & skf18("7","3","3","2","10","5","1") = "9"
    & skf18("7","3","3","2","10","6","1") = "9"
    & skf18("7","3","3","2","10","7","1") = "9"
    & skf18("7","3","3","2","10","8","1") = "9"
    & skf18("7","3","3","2","10","9","1") = "9"
    & skf18("7","3","3","2","10","10","1") = "9"
    & skf18("7","3","3","3","1","1","1") = "6"
    & skf18("7","3","3","3","1","2","1") = "6"
    & skf18("7","3","3","3","1","3","1") = "6"
    & skf18("7","3","3","3","1","4","1") = "6"
    & skf18("7","3","3","3","1","5","1") = "6"
    & skf18("7","3","3","3","1","6","1") = "6"
    & skf18("7","3","3","3","1","7","1") = "6"
    & skf18("7","3","3","3","1","8","1") = "7"
    & skf18("7","3","3","3","1","9","1") = "8"
    & skf18("7","3","3","3","1","10","1") = "9"
    & skf18("7","3","3","3","2","1","1") = "6"
    & skf18("7","3","3","3","2","2","1") = "6"
    & skf18("7","3","3","3","2","3","1") = "6"
    & skf18("7","3","3","3","2","4","1") = "6"
    & skf18("7","3","3","3","2","5","1") = "6"
    & skf18("7","3","3","3","2","6","1") = "6"
    & skf18("7","3","3","3","2","7","1") = "6"
    & skf18("7","3","3","3","2","8","1") = "7"
    & skf18("7","3","3","3","2","9","1") = "8"
    & skf18("7","3","3","3","2","10","1") = "9"
    & skf18("7","3","3","3","3","1","1") = "6"
    & skf18("7","3","3","3","3","2","1") = "6"
    & skf18("7","3","3","3","3","3","1") = "6"
    & skf18("7","3","3","3","3","4","1") = "6"
    & skf18("7","3","3","3","3","5","1") = "6"
    & skf18("7","3","3","3","3","6","1") = "6"
    & skf18("7","3","3","3","3","7","1") = "6"
    & skf18("7","3","3","3","3","8","1") = "7"
    & skf18("7","3","3","3","3","9","1") = "8"
    & skf18("7","3","3","3","3","10","1") = "9"
    & skf18("7","3","3","3","4","1","1") = "6"
    & skf18("7","3","3","3","4","2","1") = "6"
    & skf18("7","3","3","3","4","3","1") = "6"
    & skf18("7","3","3","3","4","4","1") = "6"
    & skf18("7","3","3","3","4","5","1") = "6"
    & skf18("7","3","3","3","4","6","1") = "6"
    & skf18("7","3","3","3","4","7","1") = "6"
    & skf18("7","3","3","3","4","8","1") = "7"
    & skf18("7","3","3","3","4","9","1") = "8"
    & skf18("7","3","3","3","4","10","1") = "9"
    & skf18("7","3","3","3","5","1","1") = "6"
    & skf18("7","3","3","3","5","2","1") = "6"
    & skf18("7","3","3","3","5","3","1") = "6"
    & skf18("7","3","3","3","5","4","1") = "6"
    & skf18("7","3","3","3","5","5","1") = "6"
    & skf18("7","3","3","3","5","6","1") = "6"
    & skf18("7","3","3","3","5","7","1") = "6"
    & skf18("7","3","3","3","5","8","1") = "7"
    & skf18("7","3","3","3","5","9","1") = "8"
    & skf18("7","3","3","3","5","10","1") = "9"
    & skf18("7","3","3","3","6","1","1") = "6"
    & skf18("7","3","3","3","6","2","1") = "6"
    & skf18("7","3","3","3","6","3","1") = "6"
    & skf18("7","3","3","3","6","4","1") = "6"
    & skf18("7","3","3","3","6","5","1") = "6"
    & skf18("7","3","3","3","6","6","1") = "6"
    & skf18("7","3","3","3","6","7","1") = "6"
    & skf18("7","3","3","3","6","8","1") = "7"
    & skf18("7","3","3","3","6","9","1") = "8"
    & skf18("7","3","3","3","6","10","1") = "9"
    & skf18("7","3","3","3","7","1","1") = "6"
    & skf18("7","3","3","3","7","2","1") = "6"
    & skf18("7","3","3","3","7","3","1") = "6"
    & skf18("7","3","3","3","7","4","1") = "6"
    & skf18("7","3","3","3","7","5","1") = "6"
    & skf18("7","3","3","3","7","6","1") = "6"
    & skf18("7","3","3","3","7","7","1") = "6"
    & skf18("7","3","3","3","7","8","1") = "7"
    & skf18("7","3","3","3","7","9","1") = "8"
    & skf18("7","3","3","3","7","10","1") = "9"
    & skf18("7","3","3","3","8","1","1") = "7"
    & skf18("7","3","3","3","8","2","1") = "7"
    & skf18("7","3","3","3","8","3","1") = "7"
    & skf18("7","3","3","3","8","4","1") = "7"
    & skf18("7","3","3","3","8","5","1") = "7"
    & skf18("7","3","3","3","8","6","1") = "7"
    & skf18("7","3","3","3","8","7","1") = "7"
    & skf18("7","3","3","3","8","8","1") = "7"
    & skf18("7","3","3","3","8","9","1") = "8"
    & skf18("7","3","3","3","8","10","1") = "9"
    & skf18("7","3","3","3","9","1","1") = "8"
    & skf18("7","3","3","3","9","2","1") = "8"
    & skf18("7","3","3","3","9","3","1") = "8"
    & skf18("7","3","3","3","9","4","1") = "8"
    & skf18("7","3","3","3","9","5","1") = "8"
    & skf18("7","3","3","3","9","6","1") = "8"
    & skf18("7","3","3","3","9","7","1") = "8"
    & skf18("7","3","3","3","9","8","1") = "8"
    & skf18("7","3","3","3","9","9","1") = "8"
    & skf18("7","3","3","3","9","10","1") = "9"
    & skf18("7","3","3","3","10","1","1") = "9"
    & skf18("7","3","3","3","10","2","1") = "9"
    & skf18("7","3","3","3","10","3","1") = "9"
    & skf18("7","3","3","3","10","4","1") = "9"
    & skf18("7","3","3","3","10","5","1") = "9"
    & skf18("7","3","3","3","10","6","1") = "9"
    & skf18("7","3","3","3","10","7","1") = "9"
    & skf18("7","3","3","3","10","8","1") = "9"
    & skf18("7","3","3","3","10","9","1") = "9"
    & skf18("7","3","3","3","10","10","1") = "9"
    & skf18("7","3","3","4","1","1","1") = "6"
    & skf18("7","3","3","4","1","2","1") = "6"
    & skf18("7","3","3","4","1","3","1") = "6"
    & skf18("7","3","3","4","1","4","1") = "6"
    & skf18("7","3","3","4","1","5","1") = "6"
    & skf18("7","3","3","4","1","6","1") = "6"
    & skf18("7","3","3","4","1","7","1") = "6"
    & skf18("7","3","3","4","1","8","1") = "7"
    & skf18("7","3","3","4","1","9","1") = "8"
    & skf18("7","3","3","4","1","10","1") = "9"
    & skf18("7","3","3","4","2","1","1") = "6"
    & skf18("7","3","3","4","2","2","1") = "6"
    & skf18("7","3","3","4","2","3","1") = "6"
    & skf18("7","3","3","4","2","4","1") = "6"
    & skf18("7","3","3","4","2","5","1") = "6"
    & skf18("7","3","3","4","2","6","1") = "6"
    & skf18("7","3","3","4","2","7","1") = "6"
    & skf18("7","3","3","4","2","8","1") = "7"
    & skf18("7","3","3","4","2","9","1") = "8"
    & skf18("7","3","3","4","2","10","1") = "9"
    & skf18("7","3","3","4","3","1","1") = "6"
    & skf18("7","3","3","4","3","2","1") = "6"
    & skf18("7","3","3","4","3","3","1") = "6"
    & skf18("7","3","3","4","3","4","1") = "6"
    & skf18("7","3","3","4","3","5","1") = "6"
    & skf18("7","3","3","4","3","6","1") = "6"
    & skf18("7","3","3","4","3","7","1") = "6"
    & skf18("7","3","3","4","3","8","1") = "7"
    & skf18("7","3","3","4","3","9","1") = "8"
    & skf18("7","3","3","4","3","10","1") = "9"
    & skf18("7","3","3","4","4","1","1") = "6"
    & skf18("7","3","3","4","4","2","1") = "6"
    & skf18("7","3","3","4","4","3","1") = "6"
    & skf18("7","3","3","4","4","4","1") = "6"
    & skf18("7","3","3","4","4","5","1") = "6"
    & skf18("7","3","3","4","4","6","1") = "6"
    & skf18("7","3","3","4","4","7","1") = "6"
    & skf18("7","3","3","4","4","8","1") = "7"
    & skf18("7","3","3","4","4","9","1") = "8"
    & skf18("7","3","3","4","4","10","1") = "9"
    & skf18("7","3","3","4","5","1","1") = "6"
    & skf18("7","3","3","4","5","2","1") = "6"
    & skf18("7","3","3","4","5","3","1") = "6"
    & skf18("7","3","3","4","5","4","1") = "6"
    & skf18("7","3","3","4","5","5","1") = "6"
    & skf18("7","3","3","4","5","6","1") = "6"
    & skf18("7","3","3","4","5","7","1") = "6"
    & skf18("7","3","3","4","5","8","1") = "7"
    & skf18("7","3","3","4","5","9","1") = "8"
    & skf18("7","3","3","4","5","10","1") = "9"
    & skf18("7","3","3","4","6","1","1") = "6"
    & skf18("7","3","3","4","6","2","1") = "6"
    & skf18("7","3","3","4","6","3","1") = "6"
    & skf18("7","3","3","4","6","4","1") = "6"
    & skf18("7","3","3","4","6","5","1") = "6"
    & skf18("7","3","3","4","6","6","1") = "6"
    & skf18("7","3","3","4","6","7","1") = "6"
    & skf18("7","3","3","4","6","8","1") = "7"
    & skf18("7","3","3","4","6","9","1") = "8"
    & skf18("7","3","3","4","6","10","1") = "9"
    & skf18("7","3","3","4","7","1","1") = "6"
    & skf18("7","3","3","4","7","2","1") = "6"
    & skf18("7","3","3","4","7","3","1") = "6"
    & skf18("7","3","3","4","7","4","1") = "6"
    & skf18("7","3","3","4","7","5","1") = "6"
    & skf18("7","3","3","4","7","6","1") = "6"
    & skf18("7","3","3","4","7","7","1") = "6"
    & skf18("7","3","3","4","7","8","1") = "7"
    & skf18("7","3","3","4","7","9","1") = "8"
    & skf18("7","3","3","4","7","10","1") = "9"
    & skf18("7","3","3","4","8","1","1") = "7"
    & skf18("7","3","3","4","8","2","1") = "7"
    & skf18("7","3","3","4","8","3","1") = "7"
    & skf18("7","3","3","4","8","4","1") = "7"
    & skf18("7","3","3","4","8","5","1") = "7"
    & skf18("7","3","3","4","8","6","1") = "7"
    & skf18("7","3","3","4","8","7","1") = "7"
    & skf18("7","3","3","4","8","8","1") = "7"
    & skf18("7","3","3","4","8","9","1") = "8"
    & skf18("7","3","3","4","8","10","1") = "9"
    & skf18("7","3","3","4","9","1","1") = "8"
    & skf18("7","3","3","4","9","2","1") = "8"
    & skf18("7","3","3","4","9","3","1") = "8"
    & skf18("7","3","3","4","9","4","1") = "8"
    & skf18("7","3","3","4","9","5","1") = "8"
    & skf18("7","3","3","4","9","6","1") = "8"
    & skf18("7","3","3","4","9","7","1") = "8"
    & skf18("7","3","3","4","9","8","1") = "8"
    & skf18("7","3","3","4","9","9","1") = "8"
    & skf18("7","3","3","4","9","10","1") = "9"
    & skf18("7","3","3","4","10","1","1") = "9"
    & skf18("7","3","3","4","10","2","1") = "9"
    & skf18("7","3","3","4","10","3","1") = "9"
    & skf18("7","3","3","4","10","4","1") = "9"
    & skf18("7","3","3","4","10","5","1") = "9"
    & skf18("7","3","3","4","10","6","1") = "9"
    & skf18("7","3","3","4","10","7","1") = "9"
    & skf18("7","3","3","4","10","8","1") = "9"
    & skf18("7","3","3","4","10","9","1") = "9"
    & skf18("7","3","3","4","10","10","1") = "9"
    & skf18("7","3","3","5","1","1","1") = "6"
    & skf18("7","3","3","5","1","2","1") = "6"
    & skf18("7","3","3","5","1","3","1") = "6"
    & skf18("7","3","3","5","1","4","1") = "6"
    & skf18("7","3","3","5","1","5","1") = "6"
    & skf18("7","3","3","5","1","6","1") = "6"
    & skf18("7","3","3","5","1","7","1") = "6"
    & skf18("7","3","3","5","1","8","1") = "7"
    & skf18("7","3","3","5","1","9","1") = "8"
    & skf18("7","3","3","5","1","10","1") = "9"
    & skf18("7","3","3","5","2","1","1") = "6"
    & skf18("7","3","3","5","2","2","1") = "6"
    & skf18("7","3","3","5","2","3","1") = "6"
    & skf18("7","3","3","5","2","4","1") = "6"
    & skf18("7","3","3","5","2","5","1") = "6"
    & skf18("7","3","3","5","2","6","1") = "6"
    & skf18("7","3","3","5","2","7","1") = "6"
    & skf18("7","3","3","5","2","8","1") = "7"
    & skf18("7","3","3","5","2","9","1") = "8"
    & skf18("7","3","3","5","2","10","1") = "9"
    & skf18("7","3","3","5","3","1","1") = "6"
    & skf18("7","3","3","5","3","2","1") = "6"
    & skf18("7","3","3","5","3","3","1") = "6"
    & skf18("7","3","3","5","3","4","1") = "6"
    & skf18("7","3","3","5","3","5","1") = "6"
    & skf18("7","3","3","5","3","6","1") = "6"
    & skf18("7","3","3","5","3","7","1") = "6"
    & skf18("7","3","3","5","3","8","1") = "7"
    & skf18("7","3","3","5","3","9","1") = "8"
    & skf18("7","3","3","5","3","10","1") = "9"
    & skf18("7","3","3","5","4","1","1") = "6"
    & skf18("7","3","3","5","4","2","1") = "6"
    & skf18("7","3","3","5","4","3","1") = "6"
    & skf18("7","3","3","5","4","4","1") = "6"
    & skf18("7","3","3","5","4","5","1") = "6"
    & skf18("7","3","3","5","4","6","1") = "6"
    & skf18("7","3","3","5","4","7","1") = "6"
    & skf18("7","3","3","5","4","8","1") = "7"
    & skf18("7","3","3","5","4","9","1") = "8"
    & skf18("7","3","3","5","4","10","1") = "9"
    & skf18("7","3","3","5","5","1","1") = "6"
    & skf18("7","3","3","5","5","2","1") = "6"
    & skf18("7","3","3","5","5","3","1") = "6"
    & skf18("7","3","3","5","5","4","1") = "6"
    & skf18("7","3","3","5","5","5","1") = "6"
    & skf18("7","3","3","5","5","6","1") = "6"
    & skf18("7","3","3","5","5","7","1") = "6"
    & skf18("7","3","3","5","5","8","1") = "7"
    & skf18("7","3","3","5","5","9","1") = "8"
    & skf18("7","3","3","5","5","10","1") = "9"
    & skf18("7","3","3","5","6","1","1") = "6"
    & skf18("7","3","3","5","6","2","1") = "6"
    & skf18("7","3","3","5","6","3","1") = "6"
    & skf18("7","3","3","5","6","4","1") = "6"
    & skf18("7","3","3","5","6","5","1") = "6"
    & skf18("7","3","3","5","6","6","1") = "6"
    & skf18("7","3","3","5","6","7","1") = "6"
    & skf18("7","3","3","5","6","8","1") = "7"
    & skf18("7","3","3","5","6","9","1") = "8"
    & skf18("7","3","3","5","6","10","1") = "9"
    & skf18("7","3","3","5","7","1","1") = "6"
    & skf18("7","3","3","5","7","2","1") = "6"
    & skf18("7","3","3","5","7","3","1") = "6"
    & skf18("7","3","3","5","7","4","1") = "6"
    & skf18("7","3","3","5","7","5","1") = "6"
    & skf18("7","3","3","5","7","6","1") = "6"
    & skf18("7","3","3","5","7","7","1") = "6"
    & skf18("7","3","3","5","7","8","1") = "7"
    & skf18("7","3","3","5","7","9","1") = "8"
    & skf18("7","3","3","5","7","10","1") = "9"
    & skf18("7","3","3","5","8","1","1") = "7"
    & skf18("7","3","3","5","8","2","1") = "7"
    & skf18("7","3","3","5","8","3","1") = "7"
    & skf18("7","3","3","5","8","4","1") = "7"
    & skf18("7","3","3","5","8","5","1") = "7"
    & skf18("7","3","3","5","8","6","1") = "7"
    & skf18("7","3","3","5","8","7","1") = "7"
    & skf18("7","3","3","5","8","8","1") = "7"
    & skf18("7","3","3","5","8","9","1") = "8"
    & skf18("7","3","3","5","8","10","1") = "9"
    & skf18("7","3","3","5","9","1","1") = "8"
    & skf18("7","3","3","5","9","2","1") = "8"
    & skf18("7","3","3","5","9","3","1") = "8"
    & skf18("7","3","3","5","9","4","1") = "8"
    & skf18("7","3","3","5","9","5","1") = "8"
    & skf18("7","3","3","5","9","6","1") = "8"
    & skf18("7","3","3","5","9","7","1") = "8"
    & skf18("7","3","3","5","9","8","1") = "8"
    & skf18("7","3","3","5","9","9","1") = "8"
    & skf18("7","3","3","5","9","10","1") = "9"
    & skf18("7","3","3","5","10","1","1") = "9"
    & skf18("7","3","3","5","10","2","1") = "9"
    & skf18("7","3","3","5","10","3","1") = "9"
    & skf18("7","3","3","5","10","4","1") = "9"
    & skf18("7","3","3","5","10","5","1") = "9"
    & skf18("7","3","3","5","10","6","1") = "9"
    & skf18("7","3","3","5","10","7","1") = "9"
    & skf18("7","3","3","5","10","8","1") = "9"
    & skf18("7","3","3","5","10","9","1") = "9"
    & skf18("7","3","3","5","10","10","1") = "9"
    & skf18("7","3","3","6","1","1","1") = "6"
    & skf18("7","3","3","6","1","2","1") = "6"
    & skf18("7","3","3","6","1","3","1") = "6"
    & skf18("7","3","3","6","1","4","1") = "6"
    & skf18("7","3","3","6","1","5","1") = "6"
    & skf18("7","3","3","6","1","6","1") = "6"
    & skf18("7","3","3","6","1","7","1") = "6"
    & skf18("7","3","3","6","1","8","1") = "7"
    & skf18("7","3","3","6","1","9","1") = "8"
    & skf18("7","3","3","6","1","10","1") = "9"
    & skf18("7","3","3","6","2","1","1") = "6"
    & skf18("7","3","3","6","2","2","1") = "6"
    & skf18("7","3","3","6","2","3","1") = "6"
    & skf18("7","3","3","6","2","4","1") = "6"
    & skf18("7","3","3","6","2","5","1") = "6"
    & skf18("7","3","3","6","2","6","1") = "6"
    & skf18("7","3","3","6","2","7","1") = "6"
    & skf18("7","3","3","6","2","8","1") = "7"
    & skf18("7","3","3","6","2","9","1") = "8"
    & skf18("7","3","3","6","2","10","1") = "9"
    & skf18("7","3","3","6","3","1","1") = "6"
    & skf18("7","3","3","6","3","2","1") = "6"
    & skf18("7","3","3","6","3","3","1") = "6"
    & skf18("7","3","3","6","3","4","1") = "6"
    & skf18("7","3","3","6","3","5","1") = "6"
    & skf18("7","3","3","6","3","6","1") = "6"
    & skf18("7","3","3","6","3","7","1") = "6"
    & skf18("7","3","3","6","3","8","1") = "7"
    & skf18("7","3","3","6","3","9","1") = "8"
    & skf18("7","3","3","6","3","10","1") = "9"
    & skf18("7","3","3","6","4","1","1") = "6"
    & skf18("7","3","3","6","4","2","1") = "6"
    & skf18("7","3","3","6","4","3","1") = "6"
    & skf18("7","3","3","6","4","4","1") = "6"
    & skf18("7","3","3","6","4","5","1") = "6"
    & skf18("7","3","3","6","4","6","1") = "6"
    & skf18("7","3","3","6","4","7","1") = "6"
    & skf18("7","3","3","6","4","8","1") = "7"
    & skf18("7","3","3","6","4","9","1") = "8"
    & skf18("7","3","3","6","4","10","1") = "9"
    & skf18("7","3","3","6","5","1","1") = "6"
    & skf18("7","3","3","6","5","2","1") = "6"
    & skf18("7","3","3","6","5","3","1") = "6"
    & skf18("7","3","3","6","5","4","1") = "6"
    & skf18("7","3","3","6","5","5","1") = "6"
    & skf18("7","3","3","6","5","6","1") = "6"
    & skf18("7","3","3","6","5","7","1") = "6"
    & skf18("7","3","3","6","5","8","1") = "7"
    & skf18("7","3","3","6","5","9","1") = "8"
    & skf18("7","3","3","6","5","10","1") = "9"
    & skf18("7","3","3","6","6","1","1") = "6"
    & skf18("7","3","3","6","6","2","1") = "6"
    & skf18("7","3","3","6","6","3","1") = "6"
    & skf18("7","3","3","6","6","4","1") = "6"
    & skf18("7","3","3","6","6","5","1") = "6"
    & skf18("7","3","3","6","6","6","1") = "6"
    & skf18("7","3","3","6","6","7","1") = "6"
    & skf18("7","3","3","6","6","8","1") = "7"
    & skf18("7","3","3","6","6","9","1") = "8"
    & skf18("7","3","3","6","6","10","1") = "9"
    & skf18("7","3","3","6","7","1","1") = "6"
    & skf18("7","3","3","6","7","2","1") = "6"
    & skf18("7","3","3","6","7","3","1") = "6"
    & skf18("7","3","3","6","7","4","1") = "6"
    & skf18("7","3","3","6","7","5","1") = "6"
    & skf18("7","3","3","6","7","6","1") = "6"
    & skf18("7","3","3","6","7","7","1") = "6"
    & skf18("7","3","3","6","7","8","1") = "7"
    & skf18("7","3","3","6","7","9","1") = "8"
    & skf18("7","3","3","6","7","10","1") = "9"
    & skf18("7","3","3","6","8","1","1") = "7"
    & skf18("7","3","3","6","8","2","1") = "7"
    & skf18("7","3","3","6","8","3","1") = "7"
    & skf18("7","3","3","6","8","4","1") = "7"
    & skf18("7","3","3","6","8","5","1") = "7"
    & skf18("7","3","3","6","8","6","1") = "7"
    & skf18("7","3","3","6","8","7","1") = "7"
    & skf18("7","3","3","6","8","8","1") = "7"
    & skf18("7","3","3","6","8","9","1") = "8"
    & skf18("7","3","3","6","8","10","1") = "9"
    & skf18("7","3","3","6","9","1","1") = "8"
    & skf18("7","3","3","6","9","2","1") = "8"
    & skf18("7","3","3","6","9","3","1") = "8"
    & skf18("7","3","3","6","9","4","1") = "8"
    & skf18("7","3","3","6","9","5","1") = "8"
    & skf18("7","3","3","6","9","6","1") = "8"
    & skf18("7","3","3","6","9","7","1") = "8"
    & skf18("7","3","3","6","9","8","1") = "8"
    & skf18("7","3","3","6","9","9","1") = "8"
    & skf18("7","3","3","6","9","10","1") = "9"
    & skf18("7","3","3","6","10","1","1") = "9"
    & skf18("7","3","3","6","10","2","1") = "9"
    & skf18("7","3","3","6","10","3","1") = "9"
    & skf18("7","3","3","6","10","4","1") = "9"
    & skf18("7","3","3","6","10","5","1") = "9"
    & skf18("7","3","3","6","10","6","1") = "9"
    & skf18("7","3","3","6","10","7","1") = "9"
    & skf18("7","3","3","6","10","8","1") = "9"
    & skf18("7","3","3","6","10","9","1") = "9"
    & skf18("7","3","3","6","10","10","1") = "9"
    & skf18("7","3","3","7","1","1","1") = "6"
    & skf18("7","3","3","7","1","2","1") = "6"
    & skf18("7","3","3","7","1","3","1") = "6"
    & skf18("7","3","3","7","1","4","1") = "6"
    & skf18("7","3","3","7","1","5","1") = "6"
    & skf18("7","3","3","7","1","6","1") = "6"
    & skf18("7","3","3","7","1","7","1") = "6"
    & skf18("7","3","3","7","1","8","1") = "7"
    & skf18("7","3","3","7","1","9","1") = "8"
    & skf18("7","3","3","7","1","10","1") = "9"
    & skf18("7","3","3","7","2","1","1") = "6"
    & skf18("7","3","3","7","2","2","1") = "6"
    & skf18("7","3","3","7","2","3","1") = "6"
    & skf18("7","3","3","7","2","4","1") = "6"
    & skf18("7","3","3","7","2","5","1") = "6"
    & skf18("7","3","3","7","2","6","1") = "6"
    & skf18("7","3","3","7","2","7","1") = "6"
    & skf18("7","3","3","7","2","8","1") = "7"
    & skf18("7","3","3","7","2","9","1") = "8"
    & skf18("7","3","3","7","2","10","1") = "9"
    & skf18("7","3","3","7","3","1","1") = "6"
    & skf18("7","3","3","7","3","2","1") = "6"
    & skf18("7","3","3","7","3","3","1") = "6"
    & skf18("7","3","3","7","3","4","1") = "6"
    & skf18("7","3","3","7","3","5","1") = "6"
    & skf18("7","3","3","7","3","6","1") = "6"
    & skf18("7","3","3","7","3","7","1") = "6"
    & skf18("7","3","3","7","3","8","1") = "7"
    & skf18("7","3","3","7","3","9","1") = "8"
    & skf18("7","3","3","7","3","10","1") = "9"
    & skf18("7","3","3","7","4","1","1") = "6"
    & skf18("7","3","3","7","4","2","1") = "6"
    & skf18("7","3","3","7","4","3","1") = "6"
    & skf18("7","3","3","7","4","4","1") = "6"
    & skf18("7","3","3","7","4","5","1") = "6"
    & skf18("7","3","3","7","4","6","1") = "6"
    & skf18("7","3","3","7","4","7","1") = "6"
    & skf18("7","3","3","7","4","8","1") = "7"
    & skf18("7","3","3","7","4","9","1") = "8"
    & skf18("7","3","3","7","4","10","1") = "9"
    & skf18("7","3","3","7","5","1","1") = "6"
    & skf18("7","3","3","7","5","2","1") = "6"
    & skf18("7","3","3","7","5","3","1") = "6"
    & skf18("7","3","3","7","5","4","1") = "6"
    & skf18("7","3","3","7","5","5","1") = "6"
    & skf18("7","3","3","7","5","6","1") = "6"
    & skf18("7","3","3","7","5","7","1") = "6"
    & skf18("7","3","3","7","5","8","1") = "7"
    & skf18("7","3","3","7","5","9","1") = "8"
    & skf18("7","3","3","7","5","10","1") = "9"
    & skf18("7","3","3","7","6","1","1") = "6"
    & skf18("7","3","3","7","6","2","1") = "6"
    & skf18("7","3","3","7","6","3","1") = "6"
    & skf18("7","3","3","7","6","4","1") = "6"
    & skf18("7","3","3","7","6","5","1") = "6"
    & skf18("7","3","3","7","6","6","1") = "6"
    & skf18("7","3","3","7","6","7","1") = "6"
    & skf18("7","3","3","7","6","8","1") = "7"
    & skf18("7","3","3","7","6","9","1") = "8"
    & skf18("7","3","3","7","6","10","1") = "9"
    & skf18("7","3","3","7","7","1","1") = "6"
    & skf18("7","3","3","7","7","2","1") = "6"
    & skf18("7","3","3","7","7","3","1") = "6"
    & skf18("7","3","3","7","7","4","1") = "6"
    & skf18("7","3","3","7","7","5","1") = "6"
    & skf18("7","3","3","7","7","6","1") = "6"
    & skf18("7","3","3","7","7","7","1") = "6"
    & skf18("7","3","3","7","7","8","1") = "7"
    & skf18("7","3","3","7","7","9","1") = "8"
    & skf18("7","3","3","7","7","10","1") = "9"
    & skf18("7","3","3","7","8","1","1") = "7"
    & skf18("7","3","3","7","8","2","1") = "7"
    & skf18("7","3","3","7","8","3","1") = "7"
    & skf18("7","3","3","7","8","4","1") = "7"
    & skf18("7","3","3","7","8","5","1") = "7"
    & skf18("7","3","3","7","8","6","1") = "7"
    & skf18("7","3","3","7","8","7","1") = "7"
    & skf18("7","3","3","7","8","8","1") = "7"
    & skf18("7","3","3","7","8","9","1") = "8"
    & skf18("7","3","3","7","8","10","1") = "9"
    & skf18("7","3","3","7","9","1","1") = "8"
    & skf18("7","3","3","7","9","2","1") = "8"
    & skf18("7","3","3","7","9","3","1") = "8"
    & skf18("7","3","3","7","9","4","1") = "8"
    & skf18("7","3","3","7","9","5","1") = "8"
    & skf18("7","3","3","7","9","6","1") = "8"
    & skf18("7","3","3","7","9","7","1") = "8"
    & skf18("7","3","3","7","9","8","1") = "8"
    & skf18("7","3","3","7","9","9","1") = "8"
    & skf18("7","3","3","7","9","10","1") = "9"
    & skf18("7","3","3","7","10","1","1") = "9"
    & skf18("7","3","3","7","10","2","1") = "9"
    & skf18("7","3","3","7","10","3","1") = "9"
    & skf18("7","3","3","7","10","4","1") = "9"
    & skf18("7","3","3","7","10","5","1") = "9"
    & skf18("7","3","3","7","10","6","1") = "9"
    & skf18("7","3","3","7","10","7","1") = "9"
    & skf18("7","3","3","7","10","8","1") = "9"
    & skf18("7","3","3","7","10","9","1") = "9"
    & skf18("7","3","3","7","10","10","1") = "9"
    & skf18("7","3","3","8","1","1","1") = "7"
    & skf18("7","3","3","8","1","2","1") = "7"
    & skf18("7","3","3","8","1","3","1") = "7"
    & skf18("7","3","3","8","1","4","1") = "7"
    & skf18("7","3","3","8","1","5","1") = "7"
    & skf18("7","3","3","8","1","6","1") = "7"
    & skf18("7","3","3","8","1","7","1") = "7"
    & skf18("7","3","3","8","1","8","1") = "7"
    & skf18("7","3","3","8","1","9","1") = "8"
    & skf18("7","3","3","8","1","10","1") = "9"
    & skf18("7","3","3","8","2","1","1") = "7"
    & skf18("7","3","3","8","2","2","1") = "7"
    & skf18("7","3","3","8","2","3","1") = "7"
    & skf18("7","3","3","8","2","4","1") = "7"
    & skf18("7","3","3","8","2","5","1") = "7"
    & skf18("7","3","3","8","2","6","1") = "7"
    & skf18("7","3","3","8","2","7","1") = "7"
    & skf18("7","3","3","8","2","8","1") = "7"
    & skf18("7","3","3","8","2","9","1") = "8"
    & skf18("7","3","3","8","2","10","1") = "9"
    & skf18("7","3","3","8","3","1","1") = "7"
    & skf18("7","3","3","8","3","2","1") = "7"
    & skf18("7","3","3","8","3","3","1") = "7"
    & skf18("7","3","3","8","3","4","1") = "7"
    & skf18("7","3","3","8","3","5","1") = "7"
    & skf18("7","3","3","8","3","6","1") = "7"
    & skf18("7","3","3","8","3","7","1") = "7"
    & skf18("7","3","3","8","3","8","1") = "7"
    & skf18("7","3","3","8","3","9","1") = "8"
    & skf18("7","3","3","8","3","10","1") = "9"
    & skf18("7","3","3","8","4","1","1") = "7"
    & skf18("7","3","3","8","4","2","1") = "7"
    & skf18("7","3","3","8","4","3","1") = "7"
    & skf18("7","3","3","8","4","4","1") = "7"
    & skf18("7","3","3","8","4","5","1") = "7"
    & skf18("7","3","3","8","4","6","1") = "7"
    & skf18("7","3","3","8","4","7","1") = "7"
    & skf18("7","3","3","8","4","8","1") = "7"
    & skf18("7","3","3","8","4","9","1") = "8"
    & skf18("7","3","3","8","4","10","1") = "9"
    & skf18("7","3","3","8","5","1","1") = "7"
    & skf18("7","3","3","8","5","2","1") = "7"
    & skf18("7","3","3","8","5","3","1") = "7"
    & skf18("7","3","3","8","5","4","1") = "7"
    & skf18("7","3","3","8","5","5","1") = "7"
    & skf18("7","3","3","8","5","6","1") = "7"
    & skf18("7","3","3","8","5","7","1") = "7"
    & skf18("7","3","3","8","5","8","1") = "7"
    & skf18("7","3","3","8","5","9","1") = "8"
    & skf18("7","3","3","8","5","10","1") = "9"
    & skf18("7","3","3","8","6","1","1") = "7"
    & skf18("7","3","3","8","6","2","1") = "7"
    & skf18("7","3","3","8","6","3","1") = "7"
    & skf18("7","3","3","8","6","4","1") = "7"
    & skf18("7","3","3","8","6","5","1") = "7"
    & skf18("7","3","3","8","6","6","1") = "7"
    & skf18("7","3","3","8","6","7","1") = "7"
    & skf18("7","3","3","8","6","8","1") = "7"
    & skf18("7","3","3","8","6","9","1") = "8"
    & skf18("7","3","3","8","6","10","1") = "9"
    & skf18("7","3","3","8","7","1","1") = "7"
    & skf18("7","3","3","8","7","2","1") = "7"
    & skf18("7","3","3","8","7","3","1") = "7"
    & skf18("7","3","3","8","7","4","1") = "7"
    & skf18("7","3","3","8","7","5","1") = "7"
    & skf18("7","3","3","8","7","6","1") = "7"
    & skf18("7","3","3","8","7","7","1") = "7"
    & skf18("7","3","3","8","7","8","1") = "7"
    & skf18("7","3","3","8","7","9","1") = "8"
    & skf18("7","3","3","8","7","10","1") = "9"
    & skf18("7","3","3","8","8","1","1") = "7"
    & skf18("7","3","3","8","8","2","1") = "7"
    & skf18("7","3","3","8","8","3","1") = "7"
    & skf18("7","3","3","8","8","4","1") = "7"
    & skf18("7","3","3","8","8","5","1") = "7"
    & skf18("7","3","3","8","8","6","1") = "7"
    & skf18("7","3","3","8","8","7","1") = "7"
    & skf18("7","3","3","8","8","8","1") = "7"
    & skf18("7","3","3","8","8","9","1") = "8"
    & skf18("7","3","3","8","8","10","1") = "9"
    & skf18("7","3","3","8","9","1","1") = "8"
    & skf18("7","3","3","8","9","2","1") = "8"
    & skf18("7","3","3","8","9","3","1") = "8"
    & skf18("7","3","3","8","9","4","1") = "8"
    & skf18("7","3","3","8","9","5","1") = "8"
    & skf18("7","3","3","8","9","6","1") = "8"
    & skf18("7","3","3","8","9","7","1") = "8"
    & skf18("7","3","3","8","9","8","1") = "8"
    & skf18("7","3","3","8","9","9","1") = "8"
    & skf18("7","3","3","8","9","10","1") = "9"
    & skf18("7","3","3","8","10","1","1") = "9"
    & skf18("7","3","3","8","10","2","1") = "9"
    & skf18("7","3","3","8","10","3","1") = "9"
    & skf18("7","3","3","8","10","4","1") = "9"
    & skf18("7","3","3","8","10","5","1") = "9"
    & skf18("7","3","3","8","10","6","1") = "9"
    & skf18("7","3","3","8","10","7","1") = "9"
    & skf18("7","3","3","8","10","8","1") = "9"
    & skf18("7","3","3","8","10","9","1") = "9"
    & skf18("7","3","3","8","10","10","1") = "9"
    & skf18("7","3","3","9","1","1","1") = "8"
    & skf18("7","3","3","9","1","2","1") = "8"
    & skf18("7","3","3","9","1","3","1") = "8"
    & skf18("7","3","3","9","1","4","1") = "8"
    & skf18("7","3","3","9","1","5","1") = "8"
    & skf18("7","3","3","9","1","6","1") = "8"
    & skf18("7","3","3","9","1","7","1") = "8"
    & skf18("7","3","3","9","1","8","1") = "8"
    & skf18("7","3","3","9","1","9","1") = "8"
    & skf18("7","3","3","9","1","10","1") = "9"
    & skf18("7","3","3","9","2","1","1") = "8"
    & skf18("7","3","3","9","2","2","1") = "8"
    & skf18("7","3","3","9","2","3","1") = "8"
    & skf18("7","3","3","9","2","4","1") = "8"
    & skf18("7","3","3","9","2","5","1") = "8"
    & skf18("7","3","3","9","2","6","1") = "8"
    & skf18("7","3","3","9","2","7","1") = "8"
    & skf18("7","3","3","9","2","8","1") = "8"
    & skf18("7","3","3","9","2","9","1") = "8"
    & skf18("7","3","3","9","2","10","1") = "9"
    & skf18("7","3","3","9","3","1","1") = "8"
    & skf18("7","3","3","9","3","2","1") = "8"
    & skf18("7","3","3","9","3","3","1") = "8"
    & skf18("7","3","3","9","3","4","1") = "8"
    & skf18("7","3","3","9","3","5","1") = "8"
    & skf18("7","3","3","9","3","6","1") = "8"
    & skf18("7","3","3","9","3","7","1") = "8"
    & skf18("7","3","3","9","3","8","1") = "8"
    & skf18("7","3","3","9","3","9","1") = "8"
    & skf18("7","3","3","9","3","10","1") = "9"
    & skf18("7","3","3","9","4","1","1") = "8"
    & skf18("7","3","3","9","4","2","1") = "8"
    & skf18("7","3","3","9","4","3","1") = "8"
    & skf18("7","3","3","9","4","4","1") = "8"
    & skf18("7","3","3","9","4","5","1") = "8"
    & skf18("7","3","3","9","4","6","1") = "8"
    & skf18("7","3","3","9","4","7","1") = "8"
    & skf18("7","3","3","9","4","8","1") = "8"
    & skf18("7","3","3","9","4","9","1") = "8"
    & skf18("7","3","3","9","4","10","1") = "9"
    & skf18("7","3","3","9","5","1","1") = "8"
    & skf18("7","3","3","9","5","2","1") = "8"
    & skf18("7","3","3","9","5","3","1") = "8"
    & skf18("7","3","3","9","5","4","1") = "8"
    & skf18("7","3","3","9","5","5","1") = "8"
    & skf18("7","3","3","9","5","6","1") = "8"
    & skf18("7","3","3","9","5","7","1") = "8"
    & skf18("7","3","3","9","5","8","1") = "8"
    & skf18("7","3","3","9","5","9","1") = "8"
    & skf18("7","3","3","9","5","10","1") = "9"
    & skf18("7","3","3","9","6","1","1") = "8"
    & skf18("7","3","3","9","6","2","1") = "8"
    & skf18("7","3","3","9","6","3","1") = "8"
    & skf18("7","3","3","9","6","4","1") = "8"
    & skf18("7","3","3","9","6","5","1") = "8"
    & skf18("7","3","3","9","6","6","1") = "8"
    & skf18("7","3","3","9","6","7","1") = "8"
    & skf18("7","3","3","9","6","8","1") = "8"
    & skf18("7","3","3","9","6","9","1") = "8"
    & skf18("7","3","3","9","6","10","1") = "9"
    & skf18("7","3","3","9","7","1","1") = "8"
    & skf18("7","3","3","9","7","2","1") = "8"
    & skf18("7","3","3","9","7","3","1") = "8"
    & skf18("7","3","3","9","7","4","1") = "8"
    & skf18("7","3","3","9","7","5","1") = "8"
    & skf18("7","3","3","9","7","6","1") = "8"
    & skf18("7","3","3","9","7","7","1") = "8"
    & skf18("7","3","3","9","7","8","1") = "8"
    & skf18("7","3","3","9","7","9","1") = "8"
    & skf18("7","3","3","9","7","10","1") = "9"
    & skf18("7","3","3","9","8","1","1") = "8"
    & skf18("7","3","3","9","8","2","1") = "8"
    & skf18("7","3","3","9","8","3","1") = "8"
    & skf18("7","3","3","9","8","4","1") = "8"
    & skf18("7","3","3","9","8","5","1") = "8"
    & skf18("7","3","3","9","8","6","1") = "8"
    & skf18("7","3","3","9","8","7","1") = "8"
    & skf18("7","3","3","9","8","8","1") = "8"
    & skf18("7","3","3","9","8","9","1") = "8"
    & skf18("7","3","3","9","8","10","1") = "9"
    & skf18("7","3","3","9","9","1","1") = "8"
    & skf18("7","3","3","9","9","2","1") = "8"
    & skf18("7","3","3","9","9","3","1") = "8"
    & skf18("7","3","3","9","9","4","1") = "8"
    & skf18("7","3","3","9","9","5","1") = "8"
    & skf18("7","3","3","9","9","6","1") = "8"
    & skf18("7","3","3","9","9","7","1") = "8"
    & skf18("7","3","3","9","9","8","1") = "8"
    & skf18("7","3","3","9","9","9","1") = "8"
    & skf18("7","3","3","9","9","10","1") = "9"
    & skf18("7","3","3","9","10","1","1") = "9"
    & skf18("7","3","3","9","10","2","1") = "9"
    & skf18("7","3","3","9","10","3","1") = "9"
    & skf18("7","3","3","9","10","4","1") = "9"
    & skf18("7","3","3","9","10","5","1") = "9"
    & skf18("7","3","3","9","10","6","1") = "9"
    & skf18("7","3","3","9","10","7","1") = "9"
    & skf18("7","3","3","9","10","8","1") = "9"
    & skf18("7","3","3","9","10","9","1") = "9"
    & skf18("7","3","3","9","10","10","1") = "9"
    & skf18("7","3","3","10","1","1","1") = "9"
    & skf18("7","3","3","10","1","2","1") = "9"
    & skf18("7","3","3","10","1","3","1") = "9"
    & skf18("7","3","3","10","1","4","1") = "9"
    & skf18("7","3","3","10","1","5","1") = "9"
    & skf18("7","3","3","10","1","6","1") = "9"
    & skf18("7","3","3","10","1","7","1") = "9"
    & skf18("7","3","3","10","1","8","1") = "9"
    & skf18("7","3","3","10","1","9","1") = "9"
    & skf18("7","3","3","10","1","10","1") = "9"
    & skf18("7","3","3","10","2","1","1") = "9"
    & skf18("7","3","3","10","2","2","1") = "9"
    & skf18("7","3","3","10","2","3","1") = "9"
    & skf18("7","3","3","10","2","4","1") = "9"
    & skf18("7","3","3","10","2","5","1") = "9"
    & skf18("7","3","3","10","2","6","1") = "9"
    & skf18("7","3","3","10","2","7","1") = "9"
    & skf18("7","3","3","10","2","8","1") = "9"
    & skf18("7","3","3","10","2","9","1") = "9"
    & skf18("7","3","3","10","2","10","1") = "9"
    & skf18("7","3","3","10","3","1","1") = "9"
    & skf18("7","3","3","10","3","2","1") = "9"
    & skf18("7","3","3","10","3","3","1") = "9"
    & skf18("7","3","3","10","3","4","1") = "9"
    & skf18("7","3","3","10","3","5","1") = "9"
    & skf18("7","3","3","10","3","6","1") = "9"
    & skf18("7","3","3","10","3","7","1") = "9"
    & skf18("7","3","3","10","3","8","1") = "9"
    & skf18("7","3","3","10","3","9","1") = "9"
    & skf18("7","3","3","10","3","10","1") = "9"
    & skf18("7","3","3","10","4","1","1") = "9"
    & skf18("7","3","3","10","4","2","1") = "9"
    & skf18("7","3","3","10","4","3","1") = "9"
    & skf18("7","3","3","10","4","4","1") = "9"
    & skf18("7","3","3","10","4","5","1") = "9"
    & skf18("7","3","3","10","4","6","1") = "9"
    & skf18("7","3","3","10","4","7","1") = "9"
    & skf18("7","3","3","10","4","8","1") = "9"
    & skf18("7","3","3","10","4","9","1") = "9"
    & skf18("7","3","3","10","4","10","1") = "9"
    & skf18("7","3","3","10","5","1","1") = "9"
    & skf18("7","3","3","10","5","2","1") = "9"
    & skf18("7","3","3","10","5","3","1") = "9"
    & skf18("7","3","3","10","5","4","1") = "9"
    & skf18("7","3","3","10","5","5","1") = "9"
    & skf18("7","3","3","10","5","6","1") = "9"
    & skf18("7","3","3","10","5","7","1") = "9"
    & skf18("7","3","3","10","5","8","1") = "9"
    & skf18("7","3","3","10","5","9","1") = "9"
    & skf18("7","3","3","10","5","10","1") = "9"
    & skf18("7","3","3","10","6","1","1") = "9"
    & skf18("7","3","3","10","6","2","1") = "9"
    & skf18("7","3","3","10","6","3","1") = "9"
    & skf18("7","3","3","10","6","4","1") = "9"
    & skf18("7","3","3","10","6","5","1") = "9"
    & skf18("7","3","3","10","6","6","1") = "9"
    & skf18("7","3","3","10","6","7","1") = "9"
    & skf18("7","3","3","10","6","8","1") = "9"
    & skf18("7","3","3","10","6","9","1") = "9"
    & skf18("7","3","3","10","6","10","1") = "9"
    & skf18("7","3","3","10","7","1","1") = "9"
    & skf18("7","3","3","10","7","2","1") = "9"
    & skf18("7","3","3","10","7","3","1") = "9"
    & skf18("7","3","3","10","7","4","1") = "9"
    & skf18("7","3","3","10","7","5","1") = "9"
    & skf18("7","3","3","10","7","6","1") = "9"
    & skf18("7","3","3","10","7","7","1") = "9"
    & skf18("7","3","3","10","7","8","1") = "9"
    & skf18("7","3","3","10","7","9","1") = "9"
    & skf18("7","3","3","10","7","10","1") = "9"
    & skf18("7","3","3","10","8","1","1") = "9"
    & skf18("7","3","3","10","8","2","1") = "9"
    & skf18("7","3","3","10","8","3","1") = "9"
    & skf18("7","3","3","10","8","4","1") = "9"
    & skf18("7","3","3","10","8","5","1") = "9"
    & skf18("7","3","3","10","8","6","1") = "9"
    & skf18("7","3","3","10","8","7","1") = "9"
    & skf18("7","3","3","10","8","8","1") = "9"
    & skf18("7","3","3","10","8","9","1") = "9"
    & skf18("7","3","3","10","8","10","1") = "9"
    & skf18("7","3","3","10","9","1","1") = "9"
    & skf18("7","3","3","10","9","2","1") = "9"
    & skf18("7","3","3","10","9","3","1") = "9"
    & skf18("7","3","3","10","9","4","1") = "9"
    & skf18("7","3","3","10","9","5","1") = "9"
    & skf18("7","3","3","10","9","6","1") = "9"
    & skf18("7","3","3","10","9","7","1") = "9"
    & skf18("7","3","3","10","9","8","1") = "9"
    & skf18("7","3","3","10","9","9","1") = "9"
    & skf18("7","3","3","10","9","10","1") = "9"
    & skf18("7","3","3","10","10","1","1") = "9"
    & skf18("7","3","3","10","10","2","1") = "9"
    & skf18("7","3","3","10","10","3","1") = "9"
    & skf18("7","3","3","10","10","4","1") = "9"
    & skf18("7","3","3","10","10","5","1") = "9"
    & skf18("7","3","3","10","10","6","1") = "9"
    & skf18("7","3","3","10","10","7","1") = "9"
    & skf18("7","3","3","10","10","8","1") = "9"
    & skf18("7","3","3","10","10","9","1") = "9"
    & skf18("7","3","3","10","10","10","1") = "9"
    & skf18("7","3","4","1","1","1","1") = "6"
    & skf18("7","3","4","1","1","2","1") = "6"
    & skf18("7","3","4","1","1","3","1") = "6"
    & skf18("7","3","4","1","1","4","1") = "6"
    & skf18("7","3","4","1","1","5","1") = "6"
    & skf18("7","3","4","1","1","6","1") = "6"
    & skf18("7","3","4","1","1","7","1") = "6"
    & skf18("7","3","4","1","1","8","1") = "7"
    & skf18("7","3","4","1","1","9","1") = "8"
    & skf18("7","3","4","1","1","10","1") = "9"
    & skf18("7","3","4","1","2","1","1") = "6"
    & skf18("7","3","4","1","2","2","1") = "6"
    & skf18("7","3","4","1","2","3","1") = "6"
    & skf18("7","3","4","1","2","4","1") = "6"
    & skf18("7","3","4","1","2","5","1") = "6"
    & skf18("7","3","4","1","2","6","1") = "6"
    & skf18("7","3","4","1","2","7","1") = "6"
    & skf18("7","3","4","1","2","8","1") = "7"
    & skf18("7","3","4","1","2","9","1") = "8"
    & skf18("7","3","4","1","2","10","1") = "9"
    & skf18("7","3","4","1","3","1","1") = "6"
    & skf18("7","3","4","1","3","2","1") = "6"
    & skf18("7","3","4","1","3","3","1") = "6"
    & skf18("7","3","4","1","3","4","1") = "6"
    & skf18("7","3","4","1","3","5","1") = "6"
    & skf18("7","3","4","1","3","6","1") = "6"
    & skf18("7","3","4","1","3","7","1") = "6"
    & skf18("7","3","4","1","3","8","1") = "7"
    & skf18("7","3","4","1","3","9","1") = "8"
    & skf18("7","3","4","1","3","10","1") = "9"
    & skf18("7","3","4","1","4","1","1") = "6"
    & skf18("7","3","4","1","4","2","1") = "6"
    & skf18("7","3","4","1","4","3","1") = "6"
    & skf18("7","3","4","1","4","4","1") = "6"
    & skf18("7","3","4","1","4","5","1") = "6"
    & skf18("7","3","4","1","4","6","1") = "6"
    & skf18("7","3","4","1","4","7","1") = "6"
    & skf18("7","3","4","1","4","8","1") = "7"
    & skf18("7","3","4","1","4","9","1") = "8"
    & skf18("7","3","4","1","4","10","1") = "9"
    & skf18("7","3","4","1","5","1","1") = "6"
    & skf18("7","3","4","1","5","2","1") = "6"
    & skf18("7","3","4","1","5","3","1") = "6"
    & skf18("7","3","4","1","5","4","1") = "6"
    & skf18("7","3","4","1","5","5","1") = "6"
    & skf18("7","3","4","1","5","6","1") = "6"
    & skf18("7","3","4","1","5","7","1") = "6"
    & skf18("7","3","4","1","5","8","1") = "7"
    & skf18("7","3","4","1","5","9","1") = "8"
    & skf18("7","3","4","1","5","10","1") = "9"
    & skf18("7","3","4","1","6","1","1") = "6"
    & skf18("7","3","4","1","6","2","1") = "6"
    & skf18("7","3","4","1","6","3","1") = "6"
    & skf18("7","3","4","1","6","4","1") = "6"
    & skf18("7","3","4","1","6","5","1") = "6"
    & skf18("7","3","4","1","6","6","1") = "6"
    & skf18("7","3","4","1","6","7","1") = "6"
    & skf18("7","3","4","1","6","8","1") = "7"
    & skf18("7","3","4","1","6","9","1") = "8"
    & skf18("7","3","4","1","6","10","1") = "9"
    & skf18("7","3","4","1","7","1","1") = "6"
    & skf18("7","3","4","1","7","2","1") = "6"
    & skf18("7","3","4","1","7","3","1") = "6"
    & skf18("7","3","4","1","7","4","1") = "6"
    & skf18("7","3","4","1","7","5","1") = "6"
    & skf18("7","3","4","1","7","6","1") = "6"
    & skf18("7","3","4","1","7","7","1") = "6"
    & skf18("7","3","4","1","7","8","1") = "7"
    & skf18("7","3","4","1","7","9","1") = "8"
    & skf18("7","3","4","1","7","10","1") = "9"
    & skf18("7","3","4","1","8","1","1") = "7"
    & skf18("7","3","4","1","8","2","1") = "7"
    & skf18("7","3","4","1","8","3","1") = "7"
    & skf18("7","3","4","1","8","4","1") = "7"
    & skf18("7","3","4","1","8","5","1") = "7"
    & skf18("7","3","4","1","8","6","1") = "7"
    & skf18("7","3","4","1","8","7","1") = "7"
    & skf18("7","3","4","1","8","8","1") = "7"
    & skf18("7","3","4","1","8","9","1") = "8"
    & skf18("7","3","4","1","8","10","1") = "9"
    & skf18("7","3","4","1","9","1","1") = "8"
    & skf18("7","3","4","1","9","2","1") = "8"
    & skf18("7","3","4","1","9","3","1") = "8"
    & skf18("7","3","4","1","9","4","1") = "8"
    & skf18("7","3","4","1","9","5","1") = "8"
    & skf18("7","3","4","1","9","6","1") = "8"
    & skf18("7","3","4","1","9","7","1") = "8"
    & skf18("7","3","4","1","9","8","1") = "8"
    & skf18("7","3","4","1","9","9","1") = "8"
    & skf18("7","3","4","1","9","10","1") = "9"
    & skf18("7","3","4","1","10","1","1") = "9"
    & skf18("7","3","4","1","10","2","1") = "9"
    & skf18("7","3","4","1","10","3","1") = "9"
    & skf18("7","3","4","1","10","4","1") = "9"
    & skf18("7","3","4","1","10","5","1") = "9"
    & skf18("7","3","4","1","10","6","1") = "9"
    & skf18("7","3","4","1","10","7","1") = "9"
    & skf18("7","3","4","1","10","8","1") = "9"
    & skf18("7","3","4","1","10","9","1") = "9"
    & skf18("7","3","4","1","10","10","1") = "9"
    & skf18("7","3","4","2","1","1","1") = "6"
    & skf18("7","3","4","2","1","2","1") = "6"
    & skf18("7","3","4","2","1","3","1") = "6"
    & skf18("7","3","4","2","1","4","1") = "6"
    & skf18("7","3","4","2","1","5","1") = "6"
    & skf18("7","3","4","2","1","6","1") = "6"
    & skf18("7","3","4","2","1","7","1") = "6"
    & skf18("7","3","4","2","1","8","1") = "7"
    & skf18("7","3","4","2","1","9","1") = "8"
    & skf18("7","3","4","2","1","10","1") = "9"
    & skf18("7","3","4","2","2","1","1") = "6"
    & skf18("7","3","4","2","2","2","1") = "6"
    & skf18("7","3","4","2","2","3","1") = "6"
    & skf18("7","3","4","2","2","4","1") = "6"
    & skf18("7","3","4","2","2","5","1") = "6"
    & skf18("7","3","4","2","2","6","1") = "6"
    & skf18("7","3","4","2","2","7","1") = "6"
    & skf18("7","3","4","2","2","8","1") = "7"
    & skf18("7","3","4","2","2","9","1") = "8"
    & skf18("7","3","4","2","2","10","1") = "9"
    & skf18("7","3","4","2","3","1","1") = "6"
    & skf18("7","3","4","2","3","2","1") = "6"
    & skf18("7","3","4","2","3","3","1") = "6"
    & skf18("7","3","4","2","3","4","1") = "6"
    & skf18("7","3","4","2","3","5","1") = "6"
    & skf18("7","3","4","2","3","6","1") = "6"
    & skf18("7","3","4","2","3","7","1") = "6"
    & skf18("7","3","4","2","3","8","1") = "7"
    & skf18("7","3","4","2","3","9","1") = "8"
    & skf18("7","3","4","2","3","10","1") = "9"
    & skf18("7","3","4","2","4","1","1") = "6"
    & skf18("7","3","4","2","4","2","1") = "6"
    & skf18("7","3","4","2","4","3","1") = "6"
    & skf18("7","3","4","2","4","4","1") = "6"
    & skf18("7","3","4","2","4","5","1") = "6"
    & skf18("7","3","4","2","4","6","1") = "6"
    & skf18("7","3","4","2","4","7","1") = "6"
    & skf18("7","3","4","2","4","8","1") = "7"
    & skf18("7","3","4","2","4","9","1") = "8"
    & skf18("7","3","4","2","4","10","1") = "9"
    & skf18("7","3","4","2","5","1","1") = "6"
    & skf18("7","3","4","2","5","2","1") = "6"
    & skf18("7","3","4","2","5","3","1") = "6"
    & skf18("7","3","4","2","5","4","1") = "6"
    & skf18("7","3","4","2","5","5","1") = "6"
    & skf18("7","3","4","2","5","6","1") = "6"
    & skf18("7","3","4","2","5","7","1") = "6"
    & skf18("7","3","4","2","5","8","1") = "7"
    & skf18("7","3","4","2","5","9","1") = "8"
    & skf18("7","3","4","2","5","10","1") = "9"
    & skf18("7","3","4","2","6","1","1") = "6"
    & skf18("7","3","4","2","6","2","1") = "6"
    & skf18("7","3","4","2","6","3","1") = "6"
    & skf18("7","3","4","2","6","4","1") = "6"
    & skf18("7","3","4","2","6","5","1") = "6"
    & skf18("7","3","4","2","6","6","1") = "6"
    & skf18("7","3","4","2","6","7","1") = "6"
    & skf18("7","3","4","2","6","8","1") = "7"
    & skf18("7","3","4","2","6","9","1") = "8"
    & skf18("7","3","4","2","6","10","1") = "9"
    & skf18("7","3","4","2","7","1","1") = "6"
    & skf18("7","3","4","2","7","2","1") = "6"
    & skf18("7","3","4","2","7","3","1") = "6"
    & skf18("7","3","4","2","7","4","1") = "6"
    & skf18("7","3","4","2","7","5","1") = "6"
    & skf18("7","3","4","2","7","6","1") = "6"
    & skf18("7","3","4","2","7","7","1") = "6"
    & skf18("7","3","4","2","7","8","1") = "7"
    & skf18("7","3","4","2","7","9","1") = "8"
    & skf18("7","3","4","2","7","10","1") = "9"
    & skf18("7","3","4","2","8","1","1") = "7"
    & skf18("7","3","4","2","8","2","1") = "7"
    & skf18("7","3","4","2","8","3","1") = "7"
    & skf18("7","3","4","2","8","4","1") = "7"
    & skf18("7","3","4","2","8","5","1") = "7"
    & skf18("7","3","4","2","8","6","1") = "7"
    & skf18("7","3","4","2","8","7","1") = "7"
    & skf18("7","3","4","2","8","8","1") = "7"
    & skf18("7","3","4","2","8","9","1") = "8"
    & skf18("7","3","4","2","8","10","1") = "9"
    & skf18("7","3","4","2","9","1","1") = "8"
    & skf18("7","3","4","2","9","2","1") = "8"
    & skf18("7","3","4","2","9","3","1") = "8"
    & skf18("7","3","4","2","9","4","1") = "8"
    & skf18("7","3","4","2","9","5","1") = "8"
    & skf18("7","3","4","2","9","6","1") = "8"
    & skf18("7","3","4","2","9","7","1") = "8"
    & skf18("7","3","4","2","9","8","1") = "8"
    & skf18("7","3","4","2","9","9","1") = "8"
    & skf18("7","3","4","2","9","10","1") = "9"
    & skf18("7","3","4","2","10","1","1") = "9"
    & skf18("7","3","4","2","10","2","1") = "9"
    & skf18("7","3","4","2","10","3","1") = "9"
    & skf18("7","3","4","2","10","4","1") = "9"
    & skf18("7","3","4","2","10","5","1") = "9"
    & skf18("7","3","4","2","10","6","1") = "9"
    & skf18("7","3","4","2","10","7","1") = "9"
    & skf18("7","3","4","2","10","8","1") = "9"
    & skf18("7","3","4","2","10","9","1") = "9"
    & skf18("7","3","4","2","10","10","1") = "9"
    & skf18("7","3","4","3","1","1","1") = "6"
    & skf18("7","3","4","3","1","2","1") = "6"
    & skf18("7","3","4","3","1","3","1") = "6"
    & skf18("7","3","4","3","1","4","1") = "6"
    & skf18("7","3","4","3","1","5","1") = "6"
    & skf18("7","3","4","3","1","6","1") = "6"
    & skf18("7","3","4","3","1","7","1") = "6"
    & skf18("7","3","4","3","1","8","1") = "7"
    & skf18("7","3","4","3","1","9","1") = "8"
    & skf18("7","3","4","3","1","10","1") = "9"
    & skf18("7","3","4","3","2","1","1") = "6"
    & skf18("7","3","4","3","2","2","1") = "6"
    & skf18("7","3","4","3","2","3","1") = "6"
    & skf18("7","3","4","3","2","4","1") = "6"
    & skf18("7","3","4","3","2","5","1") = "6"
    & skf18("7","3","4","3","2","6","1") = "6"
    & skf18("7","3","4","3","2","7","1") = "6"
    & skf18("7","3","4","3","2","8","1") = "7"
    & skf18("7","3","4","3","2","9","1") = "8"
    & skf18("7","3","4","3","2","10","1") = "9"
    & skf18("7","3","4","3","3","1","1") = "6"
    & skf18("7","3","4","3","3","2","1") = "6"
    & skf18("7","3","4","3","3","3","1") = "6"
    & skf18("7","3","4","3","3","4","1") = "6"
    & skf18("7","3","4","3","3","5","1") = "6"
    & skf18("7","3","4","3","3","6","1") = "6"
    & skf18("7","3","4","3","3","7","1") = "6"
    & skf18("7","3","4","3","3","8","1") = "7"
    & skf18("7","3","4","3","3","9","1") = "8"
    & skf18("7","3","4","3","3","10","1") = "9"
    & skf18("7","3","4","3","4","1","1") = "6"
    & skf18("7","3","4","3","4","2","1") = "6"
    & skf18("7","3","4","3","4","3","1") = "6"
    & skf18("7","3","4","3","4","4","1") = "6"
    & skf18("7","3","4","3","4","5","1") = "6"
    & skf18("7","3","4","3","4","6","1") = "6"
    & skf18("7","3","4","3","4","7","1") = "6"
    & skf18("7","3","4","3","4","8","1") = "7"
    & skf18("7","3","4","3","4","9","1") = "8"
    & skf18("7","3","4","3","4","10","1") = "9"
    & skf18("7","3","4","3","5","1","1") = "6"
    & skf18("7","3","4","3","5","2","1") = "6"
    & skf18("7","3","4","3","5","3","1") = "6"
    & skf18("7","3","4","3","5","4","1") = "6"
    & skf18("7","3","4","3","5","5","1") = "6"
    & skf18("7","3","4","3","5","6","1") = "6"
    & skf18("7","3","4","3","5","7","1") = "6"
    & skf18("7","3","4","3","5","8","1") = "7"
    & skf18("7","3","4","3","5","9","1") = "8"
    & skf18("7","3","4","3","5","10","1") = "9"
    & skf18("7","3","4","3","6","1","1") = "6"
    & skf18("7","3","4","3","6","2","1") = "6"
    & skf18("7","3","4","3","6","3","1") = "6"
    & skf18("7","3","4","3","6","4","1") = "6"
    & skf18("7","3","4","3","6","5","1") = "6"
    & skf18("7","3","4","3","6","6","1") = "6"
    & skf18("7","3","4","3","6","7","1") = "6"
    & skf18("7","3","4","3","6","8","1") = "7"
    & skf18("7","3","4","3","6","9","1") = "8"
    & skf18("7","3","4","3","6","10","1") = "9"
    & skf18("7","3","4","3","7","1","1") = "6"
    & skf18("7","3","4","3","7","2","1") = "6"
    & skf18("7","3","4","3","7","3","1") = "6"
    & skf18("7","3","4","3","7","4","1") = "6"
    & skf18("7","3","4","3","7","5","1") = "6"
    & skf18("7","3","4","3","7","6","1") = "6"
    & skf18("7","3","4","3","7","7","1") = "6"
    & skf18("7","3","4","3","7","8","1") = "7"
    & skf18("7","3","4","3","7","9","1") = "8"
    & skf18("7","3","4","3","7","10","1") = "9"
    & skf18("7","3","4","3","8","1","1") = "7"
    & skf18("7","3","4","3","8","2","1") = "7"
    & skf18("7","3","4","3","8","3","1") = "7"
    & skf18("7","3","4","3","8","4","1") = "7"
    & skf18("7","3","4","3","8","5","1") = "7"
    & skf18("7","3","4","3","8","6","1") = "7"
    & skf18("7","3","4","3","8","7","1") = "7"
    & skf18("7","3","4","3","8","8","1") = "7"
    & skf18("7","3","4","3","8","9","1") = "8"
    & skf18("7","3","4","3","8","10","1") = "9"
    & skf18("7","3","4","3","9","1","1") = "8"
    & skf18("7","3","4","3","9","2","1") = "8"
    & skf18("7","3","4","3","9","3","1") = "8"
    & skf18("7","3","4","3","9","4","1") = "8"
    & skf18("7","3","4","3","9","5","1") = "8"
    & skf18("7","3","4","3","9","6","1") = "8"
    & skf18("7","3","4","3","9","7","1") = "8"
    & skf18("7","3","4","3","9","8","1") = "8"
    & skf18("7","3","4","3","9","9","1") = "8"
    & skf18("7","3","4","3","9","10","1") = "9"
    & skf18("7","3","4","3","10","1","1") = "9"
    & skf18("7","3","4","3","10","2","1") = "9"
    & skf18("7","3","4","3","10","3","1") = "9"
    & skf18("7","3","4","3","10","4","1") = "9"
    & skf18("7","3","4","3","10","5","1") = "9"
    & skf18("7","3","4","3","10","6","1") = "9"
    & skf18("7","3","4","3","10","7","1") = "9"
    & skf18("7","3","4","3","10","8","1") = "9"
    & skf18("7","3","4","3","10","9","1") = "9"
    & skf18("7","3","4","3","10","10","1") = "9"
    & skf18("7","3","4","4","1","1","1") = "6"
    & skf18("7","3","4","4","1","2","1") = "6"
    & skf18("7","3","4","4","1","3","1") = "6"
    & skf18("7","3","4","4","1","4","1") = "6"
    & skf18("7","3","4","4","1","5","1") = "6"
    & skf18("7","3","4","4","1","6","1") = "6"
    & skf18("7","3","4","4","1","7","1") = "6"
    & skf18("7","3","4","4","1","8","1") = "7"
    & skf18("7","3","4","4","1","9","1") = "8"
    & skf18("7","3","4","4","1","10","1") = "9"
    & skf18("7","3","4","4","2","1","1") = "6"
    & skf18("7","3","4","4","2","2","1") = "6"
    & skf18("7","3","4","4","2","3","1") = "6"
    & skf18("7","3","4","4","2","4","1") = "6"
    & skf18("7","3","4","4","2","5","1") = "6"
    & skf18("7","3","4","4","2","6","1") = "6"
    & skf18("7","3","4","4","2","7","1") = "6"
    & skf18("7","3","4","4","2","8","1") = "7"
    & skf18("7","3","4","4","2","9","1") = "8"
    & skf18("7","3","4","4","2","10","1") = "9"
    & skf18("7","3","4","4","3","1","1") = "6"
    & skf18("7","3","4","4","3","2","1") = "6"
    & skf18("7","3","4","4","3","3","1") = "6"
    & skf18("7","3","4","4","3","4","1") = "6"
    & skf18("7","3","4","4","3","5","1") = "6"
    & skf18("7","3","4","4","3","6","1") = "6"
    & skf18("7","3","4","4","3","7","1") = "6"
    & skf18("7","3","4","4","3","8","1") = "7"
    & skf18("7","3","4","4","3","9","1") = "8"
    & skf18("7","3","4","4","3","10","1") = "9"
    & skf18("7","3","4","4","4","1","1") = "6"
    & skf18("7","3","4","4","4","2","1") = "6"
    & skf18("7","3","4","4","4","3","1") = "6"
    & skf18("7","3","4","4","4","4","1") = "6"
    & skf18("7","3","4","4","4","5","1") = "6"
    & skf18("7","3","4","4","4","6","1") = "6"
    & skf18("7","3","4","4","4","7","1") = "6"
    & skf18("7","3","4","4","4","8","1") = "7"
    & skf18("7","3","4","4","4","9","1") = "8"
    & skf18("7","3","4","4","4","10","1") = "9"
    & skf18("7","3","4","4","5","1","1") = "6"
    & skf18("7","3","4","4","5","2","1") = "6"
    & skf18("7","3","4","4","5","3","1") = "6"
    & skf18("7","3","4","4","5","4","1") = "6"
    & skf18("7","3","4","4","5","5","1") = "6"
    & skf18("7","3","4","4","5","6","1") = "6"
    & skf18("7","3","4","4","5","7","1") = "6"
    & skf18("7","3","4","4","5","8","1") = "7"
    & skf18("7","3","4","4","5","9","1") = "8"
    & skf18("7","3","4","4","5","10","1") = "9"
    & skf18("7","3","4","4","6","1","1") = "6"
    & skf18("7","3","4","4","6","2","1") = "6"
    & skf18("7","3","4","4","6","3","1") = "6"
    & skf18("7","3","4","4","6","4","1") = "6"
    & skf18("7","3","4","4","6","5","1") = "6"
    & skf18("7","3","4","4","6","6","1") = "6"
    & skf18("7","3","4","4","6","7","1") = "6"
    & skf18("7","3","4","4","6","8","1") = "7"
    & skf18("7","3","4","4","6","9","1") = "8"
    & skf18("7","3","4","4","6","10","1") = "9"
    & skf18("7","3","4","4","7","1","1") = "6"
    & skf18("7","3","4","4","7","2","1") = "6"
    & skf18("7","3","4","4","7","3","1") = "6"
    & skf18("7","3","4","4","7","4","1") = "6"
    & skf18("7","3","4","4","7","5","1") = "6"
    & skf18("7","3","4","4","7","6","1") = "6"
    & skf18("7","3","4","4","7","7","1") = "6"
    & skf18("7","3","4","4","7","8","1") = "7"
    & skf18("7","3","4","4","7","9","1") = "8"
    & skf18("7","3","4","4","7","10","1") = "9"
    & skf18("7","3","4","4","8","1","1") = "7"
    & skf18("7","3","4","4","8","2","1") = "7"
    & skf18("7","3","4","4","8","3","1") = "7"
    & skf18("7","3","4","4","8","4","1") = "7"
    & skf18("7","3","4","4","8","5","1") = "7"
    & skf18("7","3","4","4","8","6","1") = "7"
    & skf18("7","3","4","4","8","7","1") = "7"
    & skf18("7","3","4","4","8","8","1") = "7"
    & skf18("7","3","4","4","8","9","1") = "8"
    & skf18("7","3","4","4","8","10","1") = "9"
    & skf18("7","3","4","4","9","1","1") = "8"
    & skf18("7","3","4","4","9","2","1") = "8"
    & skf18("7","3","4","4","9","3","1") = "8"
    & skf18("7","3","4","4","9","4","1") = "8"
    & skf18("7","3","4","4","9","5","1") = "8"
    & skf18("7","3","4","4","9","6","1") = "8"
    & skf18("7","3","4","4","9","7","1") = "8"
    & skf18("7","3","4","4","9","8","1") = "8"
    & skf18("7","3","4","4","9","9","1") = "8"
    & skf18("7","3","4","4","9","10","1") = "9"
    & skf18("7","3","4","4","10","1","1") = "9"
    & skf18("7","3","4","4","10","2","1") = "9"
    & skf18("7","3","4","4","10","3","1") = "9"
    & skf18("7","3","4","4","10","4","1") = "9"
    & skf18("7","3","4","4","10","5","1") = "9"
    & skf18("7","3","4","4","10","6","1") = "9"
    & skf18("7","3","4","4","10","7","1") = "9"
    & skf18("7","3","4","4","10","8","1") = "9"
    & skf18("7","3","4","4","10","9","1") = "9"
    & skf18("7","3","4","4","10","10","1") = "9"
    & skf18("7","3","4","5","1","1","1") = "6"
    & skf18("7","3","4","5","1","2","1") = "6"
    & skf18("7","3","4","5","1","3","1") = "6"
    & skf18("7","3","4","5","1","4","1") = "6"
    & skf18("7","3","4","5","1","5","1") = "6"
    & skf18("7","3","4","5","1","6","1") = "6"
    & skf18("7","3","4","5","1","7","1") = "6"
    & skf18("7","3","4","5","1","8","1") = "7"
    & skf18("7","3","4","5","1","9","1") = "8"
    & skf18("7","3","4","5","1","10","1") = "9"
    & skf18("7","3","4","5","2","1","1") = "6"
    & skf18("7","3","4","5","2","2","1") = "6"
    & skf18("7","3","4","5","2","3","1") = "6"
    & skf18("7","3","4","5","2","4","1") = "6"
    & skf18("7","3","4","5","2","5","1") = "6"
    & skf18("7","3","4","5","2","6","1") = "6"
    & skf18("7","3","4","5","2","7","1") = "6"
    & skf18("7","3","4","5","2","8","1") = "7"
    & skf18("7","3","4","5","2","9","1") = "8"
    & skf18("7","3","4","5","2","10","1") = "9"
    & skf18("7","3","4","5","3","1","1") = "6"
    & skf18("7","3","4","5","3","2","1") = "6"
    & skf18("7","3","4","5","3","3","1") = "6"
    & skf18("7","3","4","5","3","4","1") = "6"
    & skf18("7","3","4","5","3","5","1") = "6"
    & skf18("7","3","4","5","3","6","1") = "6"
    & skf18("7","3","4","5","3","7","1") = "6"
    & skf18("7","3","4","5","3","8","1") = "7"
    & skf18("7","3","4","5","3","9","1") = "8"
    & skf18("7","3","4","5","3","10","1") = "9"
    & skf18("7","3","4","5","4","1","1") = "6"
    & skf18("7","3","4","5","4","2","1") = "6"
    & skf18("7","3","4","5","4","3","1") = "6"
    & skf18("7","3","4","5","4","4","1") = "6"
    & skf18("7","3","4","5","4","5","1") = "6"
    & skf18("7","3","4","5","4","6","1") = "6"
    & skf18("7","3","4","5","4","7","1") = "6"
    & skf18("7","3","4","5","4","8","1") = "7"
    & skf18("7","3","4","5","4","9","1") = "8"
    & skf18("7","3","4","5","4","10","1") = "9"
    & skf18("7","3","4","5","5","1","1") = "6"
    & skf18("7","3","4","5","5","2","1") = "6"
    & skf18("7","3","4","5","5","3","1") = "6"
    & skf18("7","3","4","5","5","4","1") = "6"
    & skf18("7","3","4","5","5","5","1") = "6"
    & skf18("7","3","4","5","5","6","1") = "6"
    & skf18("7","3","4","5","5","7","1") = "6"
    & skf18("7","3","4","5","5","8","1") = "7"
    & skf18("7","3","4","5","5","9","1") = "8"
    & skf18("7","3","4","5","5","10","1") = "9"
    & skf18("7","3","4","5","6","1","1") = "6"
    & skf18("7","3","4","5","6","2","1") = "6"
    & skf18("7","3","4","5","6","3","1") = "6"
    & skf18("7","3","4","5","6","4","1") = "6"
    & skf18("7","3","4","5","6","5","1") = "6"
    & skf18("7","3","4","5","6","6","1") = "6"
    & skf18("7","3","4","5","6","7","1") = "6"
    & skf18("7","3","4","5","6","8","1") = "7"
    & skf18("7","3","4","5","6","9","1") = "8"
    & skf18("7","3","4","5","6","10","1") = "9"
    & skf18("7","3","4","5","7","1","1") = "6"
    & skf18("7","3","4","5","7","2","1") = "6"
    & skf18("7","3","4","5","7","3","1") = "6"
    & skf18("7","3","4","5","7","4","1") = "6"
    & skf18("7","3","4","5","7","5","1") = "6"
    & skf18("7","3","4","5","7","6","1") = "6"
    & skf18("7","3","4","5","7","7","1") = "6"
    & skf18("7","3","4","5","7","8","1") = "7"
    & skf18("7","3","4","5","7","9","1") = "8"
    & skf18("7","3","4","5","7","10","1") = "9"
    & skf18("7","3","4","5","8","1","1") = "7"
    & skf18("7","3","4","5","8","2","1") = "7"
    & skf18("7","3","4","5","8","3","1") = "7"
    & skf18("7","3","4","5","8","4","1") = "7"
    & skf18("7","3","4","5","8","5","1") = "7"
    & skf18("7","3","4","5","8","6","1") = "7"
    & skf18("7","3","4","5","8","7","1") = "7"
    & skf18("7","3","4","5","8","8","1") = "7"
    & skf18("7","3","4","5","8","9","1") = "8"
    & skf18("7","3","4","5","8","10","1") = "9"
    & skf18("7","3","4","5","9","1","1") = "8"
    & skf18("7","3","4","5","9","2","1") = "8"
    & skf18("7","3","4","5","9","3","1") = "8"
    & skf18("7","3","4","5","9","4","1") = "8"
    & skf18("7","3","4","5","9","5","1") = "8"
    & skf18("7","3","4","5","9","6","1") = "8"
    & skf18("7","3","4","5","9","7","1") = "8"
    & skf18("7","3","4","5","9","8","1") = "8"
    & skf18("7","3","4","5","9","9","1") = "8"
    & skf18("7","3","4","5","9","10","1") = "9"
    & skf18("7","3","4","5","10","1","1") = "9"
    & skf18("7","3","4","5","10","2","1") = "9"
    & skf18("7","3","4","5","10","3","1") = "9"
    & skf18("7","3","4","5","10","4","1") = "9"
    & skf18("7","3","4","5","10","5","1") = "9"
    & skf18("7","3","4","5","10","6","1") = "9"
    & skf18("7","3","4","5","10","7","1") = "9"
    & skf18("7","3","4","5","10","8","1") = "9"
    & skf18("7","3","4","5","10","9","1") = "9"
    & skf18("7","3","4","5","10","10","1") = "9"
    & skf18("7","3","4","6","1","1","1") = "6"
    & skf18("7","3","4","6","1","2","1") = "6"
    & skf18("7","3","4","6","1","3","1") = "6"
    & skf18("7","3","4","6","1","4","1") = "6"
    & skf18("7","3","4","6","1","5","1") = "6"
    & skf18("7","3","4","6","1","6","1") = "6"
    & skf18("7","3","4","6","1","7","1") = "6"
    & skf18("7","3","4","6","1","8","1") = "7"
    & skf18("7","3","4","6","1","9","1") = "8"
    & skf18("7","3","4","6","1","10","1") = "9"
    & skf18("7","3","4","6","2","1","1") = "6"
    & skf18("7","3","4","6","2","2","1") = "6"
    & skf18("7","3","4","6","2","3","1") = "6"
    & skf18("7","3","4","6","2","4","1") = "6"
    & skf18("7","3","4","6","2","5","1") = "6"
    & skf18("7","3","4","6","2","6","1") = "6"
    & skf18("7","3","4","6","2","7","1") = "6"
    & skf18("7","3","4","6","2","8","1") = "7"
    & skf18("7","3","4","6","2","9","1") = "8"
    & skf18("7","3","4","6","2","10","1") = "9"
    & skf18("7","3","4","6","3","1","1") = "6"
    & skf18("7","3","4","6","3","2","1") = "6"
    & skf18("7","3","4","6","3","3","1") = "6"
    & skf18("7","3","4","6","3","4","1") = "6"
    & skf18("7","3","4","6","3","5","1") = "6"
    & skf18("7","3","4","6","3","6","1") = "6"
    & skf18("7","3","4","6","3","7","1") = "6"
    & skf18("7","3","4","6","3","8","1") = "7"
    & skf18("7","3","4","6","3","9","1") = "8"
    & skf18("7","3","4","6","3","10","1") = "9"
    & skf18("7","3","4","6","4","1","1") = "6"
    & skf18("7","3","4","6","4","2","1") = "6"
    & skf18("7","3","4","6","4","3","1") = "6"
    & skf18("7","3","4","6","4","4","1") = "6"
    & skf18("7","3","4","6","4","5","1") = "6"
    & skf18("7","3","4","6","4","6","1") = "6"
    & skf18("7","3","4","6","4","7","1") = "6"
    & skf18("7","3","4","6","4","8","1") = "7"
    & skf18("7","3","4","6","4","9","1") = "8"
    & skf18("7","3","4","6","4","10","1") = "9"
    & skf18("7","3","4","6","5","1","1") = "6"
    & skf18("7","3","4","6","5","2","1") = "6"
    & skf18("7","3","4","6","5","3","1") = "6"
    & skf18("7","3","4","6","5","4","1") = "6"
    & skf18("7","3","4","6","5","5","1") = "6"
    & skf18("7","3","4","6","5","6","1") = "6"
    & skf18("7","3","4","6","5","7","1") = "6"
    & skf18("7","3","4","6","5","8","1") = "7"
    & skf18("7","3","4","6","5","9","1") = "8"
    & skf18("7","3","4","6","5","10","1") = "9"
    & skf18("7","3","4","6","6","1","1") = "6"
    & skf18("7","3","4","6","6","2","1") = "6"
    & skf18("7","3","4","6","6","3","1") = "6"
    & skf18("7","3","4","6","6","4","1") = "6"
    & skf18("7","3","4","6","6","5","1") = "6"
    & skf18("7","3","4","6","6","6","1") = "6"
    & skf18("7","3","4","6","6","7","1") = "6"
    & skf18("7","3","4","6","6","8","1") = "7"
    & skf18("7","3","4","6","6","9","1") = "8"
    & skf18("7","3","4","6","6","10","1") = "9"
    & skf18("7","3","4","6","7","1","1") = "6"
    & skf18("7","3","4","6","7","2","1") = "6"
    & skf18("7","3","4","6","7","3","1") = "6"
    & skf18("7","3","4","6","7","4","1") = "6"
    & skf18("7","3","4","6","7","5","1") = "6"
    & skf18("7","3","4","6","7","6","1") = "6"
    & skf18("7","3","4","6","7","7","1") = "6"
    & skf18("7","3","4","6","7","8","1") = "7"
    & skf18("7","3","4","6","7","9","1") = "8"
    & skf18("7","3","4","6","7","10","1") = "9"
    & skf18("7","3","4","6","8","1","1") = "7"
    & skf18("7","3","4","6","8","2","1") = "7"
    & skf18("7","3","4","6","8","3","1") = "7"
    & skf18("7","3","4","6","8","4","1") = "7"
    & skf18("7","3","4","6","8","5","1") = "7"
    & skf18("7","3","4","6","8","6","1") = "7"
    & skf18("7","3","4","6","8","7","1") = "7"
    & skf18("7","3","4","6","8","8","1") = "7"
    & skf18("7","3","4","6","8","9","1") = "8"
    & skf18("7","3","4","6","8","10","1") = "9"
    & skf18("7","3","4","6","9","1","1") = "8"
    & skf18("7","3","4","6","9","2","1") = "8"
    & skf18("7","3","4","6","9","3","1") = "8"
    & skf18("7","3","4","6","9","4","1") = "8"
    & skf18("7","3","4","6","9","5","1") = "8"
    & skf18("7","3","4","6","9","6","1") = "8"
    & skf18("7","3","4","6","9","7","1") = "8"
    & skf18("7","3","4","6","9","8","1") = "8"
    & skf18("7","3","4","6","9","9","1") = "8"
    & skf18("7","3","4","6","9","10","1") = "9"
    & skf18("7","3","4","6","10","1","1") = "9"
    & skf18("7","3","4","6","10","2","1") = "9"
    & skf18("7","3","4","6","10","3","1") = "9"
    & skf18("7","3","4","6","10","4","1") = "9"
    & skf18("7","3","4","6","10","5","1") = "9"
    & skf18("7","3","4","6","10","6","1") = "9"
    & skf18("7","3","4","6","10","7","1") = "9"
    & skf18("7","3","4","6","10","8","1") = "9"
    & skf18("7","3","4","6","10","9","1") = "9"
    & skf18("7","3","4","6","10","10","1") = "9"
    & skf18("7","3","4","7","1","1","1") = "6"
    & skf18("7","3","4","7","1","2","1") = "6"
    & skf18("7","3","4","7","1","3","1") = "6"
    & skf18("7","3","4","7","1","4","1") = "6"
    & skf18("7","3","4","7","1","5","1") = "6"
    & skf18("7","3","4","7","1","6","1") = "6"
    & skf18("7","3","4","7","1","7","1") = "6"
    & skf18("7","3","4","7","1","8","1") = "7"
    & skf18("7","3","4","7","1","9","1") = "8"
    & skf18("7","3","4","7","1","10","1") = "9"
    & skf18("7","3","4","7","2","1","1") = "6"
    & skf18("7","3","4","7","2","2","1") = "6"
    & skf18("7","3","4","7","2","3","1") = "6"
    & skf18("7","3","4","7","2","4","1") = "6"
    & skf18("7","3","4","7","2","5","1") = "6"
    & skf18("7","3","4","7","2","6","1") = "6"
    & skf18("7","3","4","7","2","7","1") = "6"
    & skf18("7","3","4","7","2","8","1") = "7"
    & skf18("7","3","4","7","2","9","1") = "8"
    & skf18("7","3","4","7","2","10","1") = "9"
    & skf18("7","3","4","7","3","1","1") = "6"
    & skf18("7","3","4","7","3","2","1") = "6"
    & skf18("7","3","4","7","3","3","1") = "6"
    & skf18("7","3","4","7","3","4","1") = "6"
    & skf18("7","3","4","7","3","5","1") = "6"
    & skf18("7","3","4","7","3","6","1") = "6"
    & skf18("7","3","4","7","3","7","1") = "6"
    & skf18("7","3","4","7","3","8","1") = "7"
    & skf18("7","3","4","7","3","9","1") = "8"
    & skf18("7","3","4","7","3","10","1") = "9"
    & skf18("7","3","4","7","4","1","1") = "6"
    & skf18("7","3","4","7","4","2","1") = "6"
    & skf18("7","3","4","7","4","3","1") = "6"
    & skf18("7","3","4","7","4","4","1") = "6"
    & skf18("7","3","4","7","4","5","1") = "6"
    & skf18("7","3","4","7","4","6","1") = "6"
    & skf18("7","3","4","7","4","7","1") = "6"
    & skf18("7","3","4","7","4","8","1") = "7"
    & skf18("7","3","4","7","4","9","1") = "8"
    & skf18("7","3","4","7","4","10","1") = "9"
    & skf18("7","3","4","7","5","1","1") = "6"
    & skf18("7","3","4","7","5","2","1") = "6"
    & skf18("7","3","4","7","5","3","1") = "6"
    & skf18("7","3","4","7","5","4","1") = "6"
    & skf18("7","3","4","7","5","5","1") = "6"
    & skf18("7","3","4","7","5","6","1") = "6"
    & skf18("7","3","4","7","5","7","1") = "6"
    & skf18("7","3","4","7","5","8","1") = "7"
    & skf18("7","3","4","7","5","9","1") = "8"
    & skf18("7","3","4","7","5","10","1") = "9"
    & skf18("7","3","4","7","6","1","1") = "6"
    & skf18("7","3","4","7","6","2","1") = "6"
    & skf18("7","3","4","7","6","3","1") = "6"
    & skf18("7","3","4","7","6","4","1") = "6"
    & skf18("7","3","4","7","6","5","1") = "6"
    & skf18("7","3","4","7","6","6","1") = "6"
    & skf18("7","3","4","7","6","7","1") = "6"
    & skf18("7","3","4","7","6","8","1") = "7"
    & skf18("7","3","4","7","6","9","1") = "8"
    & skf18("7","3","4","7","6","10","1") = "9"
    & skf18("7","3","4","7","7","1","1") = "6"
    & skf18("7","3","4","7","7","2","1") = "6"
    & skf18("7","3","4","7","7","3","1") = "6"
    & skf18("7","3","4","7","7","4","1") = "6"
    & skf18("7","3","4","7","7","5","1") = "6"
    & skf18("7","3","4","7","7","6","1") = "6"
    & skf18("7","3","4","7","7","7","1") = "6"
    & skf18("7","3","4","7","7","8","1") = "7"
    & skf18("7","3","4","7","7","9","1") = "8"
    & skf18("7","3","4","7","7","10","1") = "9"
    & skf18("7","3","4","7","8","1","1") = "7"
    & skf18("7","3","4","7","8","2","1") = "7"
    & skf18("7","3","4","7","8","3","1") = "7"
    & skf18("7","3","4","7","8","4","1") = "7"
    & skf18("7","3","4","7","8","5","1") = "7"
    & skf18("7","3","4","7","8","6","1") = "7"
    & skf18("7","3","4","7","8","7","1") = "7"
    & skf18("7","3","4","7","8","8","1") = "7"
    & skf18("7","3","4","7","8","9","1") = "8"
    & skf18("7","3","4","7","8","10","1") = "9"
    & skf18("7","3","4","7","9","1","1") = "8"
    & skf18("7","3","4","7","9","2","1") = "8"
    & skf18("7","3","4","7","9","3","1") = "8"
    & skf18("7","3","4","7","9","4","1") = "8"
    & skf18("7","3","4","7","9","5","1") = "8"
    & skf18("7","3","4","7","9","6","1") = "8"
    & skf18("7","3","4","7","9","7","1") = "8"
    & skf18("7","3","4","7","9","8","1") = "8"
    & skf18("7","3","4","7","9","9","1") = "8"
    & skf18("7","3","4","7","9","10","1") = "9"
    & skf18("7","3","4","7","10","1","1") = "9"
    & skf18("7","3","4","7","10","2","1") = "9"
    & skf18("7","3","4","7","10","3","1") = "9"
    & skf18("7","3","4","7","10","4","1") = "9"
    & skf18("7","3","4","7","10","5","1") = "9"
    & skf18("7","3","4","7","10","6","1") = "9"
    & skf18("7","3","4","7","10","7","1") = "9"
    & skf18("7","3","4","7","10","8","1") = "9"
    & skf18("7","3","4","7","10","9","1") = "9"
    & skf18("7","3","4","7","10","10","1") = "9"
    & skf18("7","3","4","8","1","1","1") = "7"
    & skf18("7","3","4","8","1","2","1") = "7"
    & skf18("7","3","4","8","1","3","1") = "7"
    & skf18("7","3","4","8","1","4","1") = "7"
    & skf18("7","3","4","8","1","5","1") = "7"
    & skf18("7","3","4","8","1","6","1") = "7"
    & skf18("7","3","4","8","1","7","1") = "7"
    & skf18("7","3","4","8","1","8","1") = "7"
    & skf18("7","3","4","8","1","9","1") = "8"
    & skf18("7","3","4","8","1","10","1") = "9"
    & skf18("7","3","4","8","2","1","1") = "7"
    & skf18("7","3","4","8","2","2","1") = "7"
    & skf18("7","3","4","8","2","3","1") = "7"
    & skf18("7","3","4","8","2","4","1") = "7"
    & skf18("7","3","4","8","2","5","1") = "7"
    & skf18("7","3","4","8","2","6","1") = "7"
    & skf18("7","3","4","8","2","7","1") = "7"
    & skf18("7","3","4","8","2","8","1") = "7"
    & skf18("7","3","4","8","2","9","1") = "8"
    & skf18("7","3","4","8","2","10","1") = "9"
    & skf18("7","3","4","8","3","1","1") = "7"
    & skf18("7","3","4","8","3","2","1") = "7"
    & skf18("7","3","4","8","3","3","1") = "7"
    & skf18("7","3","4","8","3","4","1") = "7"
    & skf18("7","3","4","8","3","5","1") = "7"
    & skf18("7","3","4","8","3","6","1") = "7"
    & skf18("7","3","4","8","3","7","1") = "7"
    & skf18("7","3","4","8","3","8","1") = "7"
    & skf18("7","3","4","8","3","9","1") = "8"
    & skf18("7","3","4","8","3","10","1") = "9"
    & skf18("7","3","4","8","4","1","1") = "7"
    & skf18("7","3","4","8","4","2","1") = "7"
    & skf18("7","3","4","8","4","3","1") = "7"
    & skf18("7","3","4","8","4","4","1") = "7"
    & skf18("7","3","4","8","4","5","1") = "7"
    & skf18("7","3","4","8","4","6","1") = "7"
    & skf18("7","3","4","8","4","7","1") = "7"
    & skf18("7","3","4","8","4","8","1") = "7"
    & skf18("7","3","4","8","4","9","1") = "8"
    & skf18("7","3","4","8","4","10","1") = "9"
    & skf18("7","3","4","8","5","1","1") = "7"
    & skf18("7","3","4","8","5","2","1") = "7"
    & skf18("7","3","4","8","5","3","1") = "7"
    & skf18("7","3","4","8","5","4","1") = "7"
    & skf18("7","3","4","8","5","5","1") = "7"
    & skf18("7","3","4","8","5","6","1") = "7"
    & skf18("7","3","4","8","5","7","1") = "7"
    & skf18("7","3","4","8","5","8","1") = "7"
    & skf18("7","3","4","8","5","9","1") = "8"
    & skf18("7","3","4","8","5","10","1") = "9"
    & skf18("7","3","4","8","6","1","1") = "7"
    & skf18("7","3","4","8","6","2","1") = "7"
    & skf18("7","3","4","8","6","3","1") = "7"
    & skf18("7","3","4","8","6","4","1") = "7"
    & skf18("7","3","4","8","6","5","1") = "7"
    & skf18("7","3","4","8","6","6","1") = "7"
    & skf18("7","3","4","8","6","7","1") = "7"
    & skf18("7","3","4","8","6","8","1") = "7"
    & skf18("7","3","4","8","6","9","1") = "8"
    & skf18("7","3","4","8","6","10","1") = "9"
    & skf18("7","3","4","8","7","1","1") = "7"
    & skf18("7","3","4","8","7","2","1") = "7"
    & skf18("7","3","4","8","7","3","1") = "7"
    & skf18("7","3","4","8","7","4","1") = "7"
    & skf18("7","3","4","8","7","5","1") = "7"
    & skf18("7","3","4","8","7","6","1") = "7"
    & skf18("7","3","4","8","7","7","1") = "7"
    & skf18("7","3","4","8","7","8","1") = "7"
    & skf18("7","3","4","8","7","9","1") = "8"
    & skf18("7","3","4","8","7","10","1") = "9"
    & skf18("7","3","4","8","8","1","1") = "7"
    & skf18("7","3","4","8","8","2","1") = "7"
    & skf18("7","3","4","8","8","3","1") = "7"
    & skf18("7","3","4","8","8","4","1") = "7"
    & skf18("7","3","4","8","8","5","1") = "7"
    & skf18("7","3","4","8","8","6","1") = "7"
    & skf18("7","3","4","8","8","7","1") = "7"
    & skf18("7","3","4","8","8","8","1") = "7"
    & skf18("7","3","4","8","8","9","1") = "8"
    & skf18("7","3","4","8","8","10","1") = "9"
    & skf18("7","3","4","8","9","1","1") = "8"
    & skf18("7","3","4","8","9","2","1") = "8"
    & skf18("7","3","4","8","9","3","1") = "8"
    & skf18("7","3","4","8","9","4","1") = "8"
    & skf18("7","3","4","8","9","5","1") = "8"
    & skf18("7","3","4","8","9","6","1") = "8"
    & skf18("7","3","4","8","9","7","1") = "8"
    & skf18("7","3","4","8","9","8","1") = "8"
    & skf18("7","3","4","8","9","9","1") = "8"
    & skf18("7","3","4","8","9","10","1") = "9"
    & skf18("7","3","4","8","10","1","1") = "9"
    & skf18("7","3","4","8","10","2","1") = "9"
    & skf18("7","3","4","8","10","3","1") = "9"
    & skf18("7","3","4","8","10","4","1") = "9"
    & skf18("7","3","4","8","10","5","1") = "9"
    & skf18("7","3","4","8","10","6","1") = "9"
    & skf18("7","3","4","8","10","7","1") = "9"
    & skf18("7","3","4","8","10","8","1") = "9"
    & skf18("7","3","4","8","10","9","1") = "9"
    & skf18("7","3","4","8","10","10","1") = "9"
    & skf18("7","3","4","9","1","1","1") = "8"
    & skf18("7","3","4","9","1","2","1") = "8"
    & skf18("7","3","4","9","1","3","1") = "8"
    & skf18("7","3","4","9","1","4","1") = "8"
    & skf18("7","3","4","9","1","5","1") = "8"
    & skf18("7","3","4","9","1","6","1") = "8"
    & skf18("7","3","4","9","1","7","1") = "8"
    & skf18("7","3","4","9","1","8","1") = "8"
    & skf18("7","3","4","9","1","9","1") = "8"
    & skf18("7","3","4","9","1","10","1") = "9"
    & skf18("7","3","4","9","2","1","1") = "8"
    & skf18("7","3","4","9","2","2","1") = "8"
    & skf18("7","3","4","9","2","3","1") = "8"
    & skf18("7","3","4","9","2","4","1") = "8"
    & skf18("7","3","4","9","2","5","1") = "8"
    & skf18("7","3","4","9","2","6","1") = "8"
    & skf18("7","3","4","9","2","7","1") = "8"
    & skf18("7","3","4","9","2","8","1") = "8"
    & skf18("7","3","4","9","2","9","1") = "8"
    & skf18("7","3","4","9","2","10","1") = "9"
    & skf18("7","3","4","9","3","1","1") = "8"
    & skf18("7","3","4","9","3","2","1") = "8"
    & skf18("7","3","4","9","3","3","1") = "8"
    & skf18("7","3","4","9","3","4","1") = "8"
    & skf18("7","3","4","9","3","5","1") = "8"
    & skf18("7","3","4","9","3","6","1") = "8"
    & skf18("7","3","4","9","3","7","1") = "8"
    & skf18("7","3","4","9","3","8","1") = "8"
    & skf18("7","3","4","9","3","9","1") = "8"
    & skf18("7","3","4","9","3","10","1") = "9"
    & skf18("7","3","4","9","4","1","1") = "8"
    & skf18("7","3","4","9","4","2","1") = "8"
    & skf18("7","3","4","9","4","3","1") = "8"
    & skf18("7","3","4","9","4","4","1") = "8"
    & skf18("7","3","4","9","4","5","1") = "8"
    & skf18("7","3","4","9","4","6","1") = "8"
    & skf18("7","3","4","9","4","7","1") = "8"
    & skf18("7","3","4","9","4","8","1") = "8"
    & skf18("7","3","4","9","4","9","1") = "8"
    & skf18("7","3","4","9","4","10","1") = "9"
    & skf18("7","3","4","9","5","1","1") = "8"
    & skf18("7","3","4","9","5","2","1") = "8"
    & skf18("7","3","4","9","5","3","1") = "8"
    & skf18("7","3","4","9","5","4","1") = "8"
    & skf18("7","3","4","9","5","5","1") = "8"
    & skf18("7","3","4","9","5","6","1") = "8"
    & skf18("7","3","4","9","5","7","1") = "8"
    & skf18("7","3","4","9","5","8","1") = "8"
    & skf18("7","3","4","9","5","9","1") = "8"
    & skf18("7","3","4","9","5","10","1") = "9"
    & skf18("7","3","4","9","6","1","1") = "8"
    & skf18("7","3","4","9","6","2","1") = "8"
    & skf18("7","3","4","9","6","3","1") = "8"
    & skf18("7","3","4","9","6","4","1") = "8"
    & skf18("7","3","4","9","6","5","1") = "8"
    & skf18("7","3","4","9","6","6","1") = "8"
    & skf18("7","3","4","9","6","7","1") = "8"
    & skf18("7","3","4","9","6","8","1") = "8"
    & skf18("7","3","4","9","6","9","1") = "8"
    & skf18("7","3","4","9","6","10","1") = "9"
    & skf18("7","3","4","9","7","1","1") = "8"
    & skf18("7","3","4","9","7","2","1") = "8"
    & skf18("7","3","4","9","7","3","1") = "8"
    & skf18("7","3","4","9","7","4","1") = "8"
    & skf18("7","3","4","9","7","5","1") = "8"
    & skf18("7","3","4","9","7","6","1") = "8"
    & skf18("7","3","4","9","7","7","1") = "8"
    & skf18("7","3","4","9","7","8","1") = "8"
    & skf18("7","3","4","9","7","9","1") = "8"
    & skf18("7","3","4","9","7","10","1") = "9"
    & skf18("7","3","4","9","8","1","1") = "8"
    & skf18("7","3","4","9","8","2","1") = "8"
    & skf18("7","3","4","9","8","3","1") = "8"
    & skf18("7","3","4","9","8","4","1") = "8"
    & skf18("7","3","4","9","8","5","1") = "8"
    & skf18("7","3","4","9","8","6","1") = "8"
    & skf18("7","3","4","9","8","7","1") = "8"
    & skf18("7","3","4","9","8","8","1") = "8"
    & skf18("7","3","4","9","8","9","1") = "8"
    & skf18("7","3","4","9","8","10","1") = "9"
    & skf18("7","3","4","9","9","1","1") = "8"
    & skf18("7","3","4","9","9","2","1") = "8"
    & skf18("7","3","4","9","9","3","1") = "8"
    & skf18("7","3","4","9","9","4","1") = "8"
    & skf18("7","3","4","9","9","5","1") = "8"
    & skf18("7","3","4","9","9","6","1") = "8"
    & skf18("7","3","4","9","9","7","1") = "8"
    & skf18("7","3","4","9","9","8","1") = "8"
    & skf18("7","3","4","9","9","9","1") = "8"
    & skf18("7","3","4","9","9","10","1") = "9"
    & skf18("7","3","4","9","10","1","1") = "9"
    & skf18("7","3","4","9","10","2","1") = "9"
    & skf18("7","3","4","9","10","3","1") = "9"
    & skf18("7","3","4","9","10","4","1") = "9"
    & skf18("7","3","4","9","10","5","1") = "9"
    & skf18("7","3","4","9","10","6","1") = "9"
    & skf18("7","3","4","9","10","7","1") = "9"
    & skf18("7","3","4","9","10","8","1") = "9"
    & skf18("7","3","4","9","10","9","1") = "9"
    & skf18("7","3","4","9","10","10","1") = "9"
    & skf18("7","3","4","10","1","1","1") = "9"
    & skf18("7","3","4","10","1","2","1") = "9"
    & skf18("7","3","4","10","1","3","1") = "9"
    & skf18("7","3","4","10","1","4","1") = "9"
    & skf18("7","3","4","10","1","5","1") = "9"
    & skf18("7","3","4","10","1","6","1") = "9"
    & skf18("7","3","4","10","1","7","1") = "9"
    & skf18("7","3","4","10","1","8","1") = "9"
    & skf18("7","3","4","10","1","9","1") = "9"
    & skf18("7","3","4","10","1","10","1") = "9"
    & skf18("7","3","4","10","2","1","1") = "9"
    & skf18("7","3","4","10","2","2","1") = "9"
    & skf18("7","3","4","10","2","3","1") = "9"
    & skf18("7","3","4","10","2","4","1") = "9"
    & skf18("7","3","4","10","2","5","1") = "9"
    & skf18("7","3","4","10","2","6","1") = "9"
    & skf18("7","3","4","10","2","7","1") = "9"
    & skf18("7","3","4","10","2","8","1") = "9"
    & skf18("7","3","4","10","2","9","1") = "9"
    & skf18("7","3","4","10","2","10","1") = "9"
    & skf18("7","3","4","10","3","1","1") = "9"
    & skf18("7","3","4","10","3","2","1") = "9"
    & skf18("7","3","4","10","3","3","1") = "9"
    & skf18("7","3","4","10","3","4","1") = "9"
    & skf18("7","3","4","10","3","5","1") = "9"
    & skf18("7","3","4","10","3","6","1") = "9"
    & skf18("7","3","4","10","3","7","1") = "9"
    & skf18("7","3","4","10","3","8","1") = "9"
    & skf18("7","3","4","10","3","9","1") = "9"
    & skf18("7","3","4","10","3","10","1") = "9"
    & skf18("7","3","4","10","4","1","1") = "9"
    & skf18("7","3","4","10","4","2","1") = "9"
    & skf18("7","3","4","10","4","3","1") = "9"
    & skf18("7","3","4","10","4","4","1") = "9"
    & skf18("7","3","4","10","4","5","1") = "9"
    & skf18("7","3","4","10","4","6","1") = "9"
    & skf18("7","3","4","10","4","7","1") = "9"
    & skf18("7","3","4","10","4","8","1") = "9"
    & skf18("7","3","4","10","4","9","1") = "9"
    & skf18("7","3","4","10","4","10","1") = "9"
    & skf18("7","3","4","10","5","1","1") = "9"
    & skf18("7","3","4","10","5","2","1") = "9"
    & skf18("7","3","4","10","5","3","1") = "9"
    & skf18("7","3","4","10","5","4","1") = "9"
    & skf18("7","3","4","10","5","5","1") = "9"
    & skf18("7","3","4","10","5","6","1") = "9"
    & skf18("7","3","4","10","5","7","1") = "9"
    & skf18("7","3","4","10","5","8","1") = "9"
    & skf18("7","3","4","10","5","9","1") = "9"
    & skf18("7","3","4","10","5","10","1") = "9"
    & skf18("7","3","4","10","6","1","1") = "9"
    & skf18("7","3","4","10","6","2","1") = "9"
    & skf18("7","3","4","10","6","3","1") = "9"
    & skf18("7","3","4","10","6","4","1") = "9"
    & skf18("7","3","4","10","6","5","1") = "9"
    & skf18("7","3","4","10","6","6","1") = "9"
    & skf18("7","3","4","10","6","7","1") = "9"
    & skf18("7","3","4","10","6","8","1") = "9"
    & skf18("7","3","4","10","6","9","1") = "9"
    & skf18("7","3","4","10","6","10","1") = "9"
    & skf18("7","3","4","10","7","1","1") = "9"
    & skf18("7","3","4","10","7","2","1") = "9"
    & skf18("7","3","4","10","7","3","1") = "9"
    & skf18("7","3","4","10","7","4","1") = "9"
    & skf18("7","3","4","10","7","5","1") = "9"
    & skf18("7","3","4","10","7","6","1") = "9"
    & skf18("7","3","4","10","7","7","1") = "9"
    & skf18("7","3","4","10","7","8","1") = "9"
    & skf18("7","3","4","10","7","9","1") = "9"
    & skf18("7","3","4","10","7","10","1") = "9"
    & skf18("7","3","4","10","8","1","1") = "9"
    & skf18("7","3","4","10","8","2","1") = "9"
    & skf18("7","3","4","10","8","3","1") = "9"
    & skf18("7","3","4","10","8","4","1") = "9"
    & skf18("7","3","4","10","8","5","1") = "9"
    & skf18("7","3","4","10","8","6","1") = "9"
    & skf18("7","3","4","10","8","7","1") = "9"
    & skf18("7","3","4","10","8","8","1") = "9"
    & skf18("7","3","4","10","8","9","1") = "9"
    & skf18("7","3","4","10","8","10","1") = "9"
    & skf18("7","3","4","10","9","1","1") = "9"
    & skf18("7","3","4","10","9","2","1") = "9"
    & skf18("7","3","4","10","9","3","1") = "9"
    & skf18("7","3","4","10","9","4","1") = "9"
    & skf18("7","3","4","10","9","5","1") = "9"
    & skf18("7","3","4","10","9","6","1") = "9"
    & skf18("7","3","4","10","9","7","1") = "9"
    & skf18("7","3","4","10","9","8","1") = "9"
    & skf18("7","3","4","10","9","9","1") = "9"
    & skf18("7","3","4","10","9","10","1") = "9"
    & skf18("7","3","4","10","10","1","1") = "9"
    & skf18("7","3","4","10","10","2","1") = "9"
    & skf18("7","3","4","10","10","3","1") = "9"
    & skf18("7","3","4","10","10","4","1") = "9"
    & skf18("7","3","4","10","10","5","1") = "9"
    & skf18("7","3","4","10","10","6","1") = "9"
    & skf18("7","3","4","10","10","7","1") = "9"
    & skf18("7","3","4","10","10","8","1") = "9"
    & skf18("7","3","4","10","10","9","1") = "9"
    & skf18("7","3","4","10","10","10","1") = "9"
    & skf18("7","3","5","1","1","1","1") = "6"
    & skf18("7","3","5","1","1","2","1") = "6"
    & skf18("7","3","5","1","1","3","1") = "6"
    & skf18("7","3","5","1","1","4","1") = "6"
    & skf18("7","3","5","1","1","5","1") = "6"
    & skf18("7","3","5","1","1","6","1") = "6"
    & skf18("7","3","5","1","1","7","1") = "6"
    & skf18("7","3","5","1","1","8","1") = "7"
    & skf18("7","3","5","1","1","9","1") = "8"
    & skf18("7","3","5","1","1","10","1") = "9"
    & skf18("7","3","5","1","2","1","1") = "6"
    & skf18("7","3","5","1","2","2","1") = "6"
    & skf18("7","3","5","1","2","3","1") = "6"
    & skf18("7","3","5","1","2","4","1") = "6"
    & skf18("7","3","5","1","2","5","1") = "6"
    & skf18("7","3","5","1","2","6","1") = "6"
    & skf18("7","3","5","1","2","7","1") = "6"
    & skf18("7","3","5","1","2","8","1") = "7"
    & skf18("7","3","5","1","2","9","1") = "8"
    & skf18("7","3","5","1","2","10","1") = "9"
    & skf18("7","3","5","1","3","1","1") = "6"
    & skf18("7","3","5","1","3","2","1") = "6"
    & skf18("7","3","5","1","3","3","1") = "6"
    & skf18("7","3","5","1","3","4","1") = "6"
    & skf18("7","3","5","1","3","5","1") = "6"
    & skf18("7","3","5","1","3","6","1") = "6"
    & skf18("7","3","5","1","3","7","1") = "6"
    & skf18("7","3","5","1","3","8","1") = "7"
    & skf18("7","3","5","1","3","9","1") = "8"
    & skf18("7","3","5","1","3","10","1") = "9"
    & skf18("7","3","5","1","4","1","1") = "6"
    & skf18("7","3","5","1","4","2","1") = "6"
    & skf18("7","3","5","1","4","3","1") = "6"
    & skf18("7","3","5","1","4","4","1") = "6"
    & skf18("7","3","5","1","4","5","1") = "6"
    & skf18("7","3","5","1","4","6","1") = "6"
    & skf18("7","3","5","1","4","7","1") = "6"
    & skf18("7","3","5","1","4","8","1") = "7"
    & skf18("7","3","5","1","4","9","1") = "8"
    & skf18("7","3","5","1","4","10","1") = "9"
    & skf18("7","3","5","1","5","1","1") = "6"
    & skf18("7","3","5","1","5","2","1") = "6"
    & skf18("7","3","5","1","5","3","1") = "6"
    & skf18("7","3","5","1","5","4","1") = "6"
    & skf18("7","3","5","1","5","5","1") = "6"
    & skf18("7","3","5","1","5","6","1") = "6"
    & skf18("7","3","5","1","5","7","1") = "6"
    & skf18("7","3","5","1","5","8","1") = "7"
    & skf18("7","3","5","1","5","9","1") = "8"
    & skf18("7","3","5","1","5","10","1") = "9"
    & skf18("7","3","5","1","6","1","1") = "6"
    & skf18("7","3","5","1","6","2","1") = "6"
    & skf18("7","3","5","1","6","3","1") = "6"
    & skf18("7","3","5","1","6","4","1") = "6"
    & skf18("7","3","5","1","6","5","1") = "6"
    & skf18("7","3","5","1","6","6","1") = "6"
    & skf18("7","3","5","1","6","7","1") = "6"
    & skf18("7","3","5","1","6","8","1") = "7"
    & skf18("7","3","5","1","6","9","1") = "8"
    & skf18("7","3","5","1","6","10","1") = "9"
    & skf18("7","3","5","1","7","1","1") = "6"
    & skf18("7","3","5","1","7","2","1") = "6"
    & skf18("7","3","5","1","7","3","1") = "6"
    & skf18("7","3","5","1","7","4","1") = "6"
    & skf18("7","3","5","1","7","5","1") = "6"
    & skf18("7","3","5","1","7","6","1") = "6"
    & skf18("7","3","5","1","7","7","1") = "6"
    & skf18("7","3","5","1","7","8","1") = "7"
    & skf18("7","3","5","1","7","9","1") = "8"
    & skf18("7","3","5","1","7","10","1") = "9"
    & skf18("7","3","5","1","8","1","1") = "7"
    & skf18("7","3","5","1","8","2","1") = "7"
    & skf18("7","3","5","1","8","3","1") = "7"
    & skf18("7","3","5","1","8","4","1") = "7"
    & skf18("7","3","5","1","8","5","1") = "7"
    & skf18("7","3","5","1","8","6","1") = "7"
    & skf18("7","3","5","1","8","7","1") = "7"
    & skf18("7","3","5","1","8","8","1") = "7"
    & skf18("7","3","5","1","8","9","1") = "8"
    & skf18("7","3","5","1","8","10","1") = "9"
    & skf18("7","3","5","1","9","1","1") = "8"
    & skf18("7","3","5","1","9","2","1") = "8"
    & skf18("7","3","5","1","9","3","1") = "8"
    & skf18("7","3","5","1","9","4","1") = "8"
    & skf18("7","3","5","1","9","5","1") = "8"
    & skf18("7","3","5","1","9","6","1") = "8"
    & skf18("7","3","5","1","9","7","1") = "8"
    & skf18("7","3","5","1","9","8","1") = "8"
    & skf18("7","3","5","1","9","9","1") = "8"
    & skf18("7","3","5","1","9","10","1") = "9"
    & skf18("7","3","5","1","10","1","1") = "9"
    & skf18("7","3","5","1","10","2","1") = "9"
    & skf18("7","3","5","1","10","3","1") = "9"
    & skf18("7","3","5","1","10","4","1") = "9"
    & skf18("7","3","5","1","10","5","1") = "9"
    & skf18("7","3","5","1","10","6","1") = "9"
    & skf18("7","3","5","1","10","7","1") = "9"
    & skf18("7","3","5","1","10","8","1") = "9"
    & skf18("7","3","5","1","10","9","1") = "9"
    & skf18("7","3","5","1","10","10","1") = "9"
    & skf18("7","3","5","2","1","1","1") = "6"
    & skf18("7","3","5","2","1","2","1") = "6"
    & skf18("7","3","5","2","1","3","1") = "6"
    & skf18("7","3","5","2","1","4","1") = "6"
    & skf18("7","3","5","2","1","5","1") = "6"
    & skf18("7","3","5","2","1","6","1") = "6"
    & skf18("7","3","5","2","1","7","1") = "6"
    & skf18("7","3","5","2","1","8","1") = "7"
    & skf18("7","3","5","2","1","9","1") = "8"
    & skf18("7","3","5","2","1","10","1") = "9"
    & skf18("7","3","5","2","2","1","1") = "6"
    & skf18("7","3","5","2","2","2","1") = "6"
    & skf18("7","3","5","2","2","3","1") = "6"
    & skf18("7","3","5","2","2","4","1") = "6"
    & skf18("7","3","5","2","2","5","1") = "6"
    & skf18("7","3","5","2","2","6","1") = "6"
    & skf18("7","3","5","2","2","7","1") = "6"
    & skf18("7","3","5","2","2","8","1") = "7"
    & skf18("7","3","5","2","2","9","1") = "8"
    & skf18("7","3","5","2","2","10","1") = "9"
    & skf18("7","3","5","2","3","1","1") = "6"
    & skf18("7","3","5","2","3","2","1") = "6"
    & skf18("7","3","5","2","3","3","1") = "6"
    & skf18("7","3","5","2","3","4","1") = "6"
    & skf18("7","3","5","2","3","5","1") = "6"
    & skf18("7","3","5","2","3","6","1") = "6"
    & skf18("7","3","5","2","3","7","1") = "6"
    & skf18("7","3","5","2","3","8","1") = "7"
    & skf18("7","3","5","2","3","9","1") = "8"
    & skf18("7","3","5","2","3","10","1") = "9"
    & skf18("7","3","5","2","4","1","1") = "6"
    & skf18("7","3","5","2","4","2","1") = "6"
    & skf18("7","3","5","2","4","3","1") = "6"
    & skf18("7","3","5","2","4","4","1") = "6"
    & skf18("7","3","5","2","4","5","1") = "6"
    & skf18("7","3","5","2","4","6","1") = "6"
    & skf18("7","3","5","2","4","7","1") = "6"
    & skf18("7","3","5","2","4","8","1") = "7"
    & skf18("7","3","5","2","4","9","1") = "8"
    & skf18("7","3","5","2","4","10","1") = "9"
    & skf18("7","3","5","2","5","1","1") = "6"
    & skf18("7","3","5","2","5","2","1") = "6"
    & skf18("7","3","5","2","5","3","1") = "6"
    & skf18("7","3","5","2","5","4","1") = "6"
    & skf18("7","3","5","2","5","5","1") = "6"
    & skf18("7","3","5","2","5","6","1") = "6"
    & skf18("7","3","5","2","5","7","1") = "6"
    & skf18("7","3","5","2","5","8","1") = "7"
    & skf18("7","3","5","2","5","9","1") = "8"
    & skf18("7","3","5","2","5","10","1") = "9"
    & skf18("7","3","5","2","6","1","1") = "6"
    & skf18("7","3","5","2","6","2","1") = "6"
    & skf18("7","3","5","2","6","3","1") = "6"
    & skf18("7","3","5","2","6","4","1") = "6"
    & skf18("7","3","5","2","6","5","1") = "6"
    & skf18("7","3","5","2","6","6","1") = "6"
    & skf18("7","3","5","2","6","7","1") = "6"
    & skf18("7","3","5","2","6","8","1") = "7"
    & skf18("7","3","5","2","6","9","1") = "8"
    & skf18("7","3","5","2","6","10","1") = "9"
    & skf18("7","3","5","2","7","1","1") = "6"
    & skf18("7","3","5","2","7","2","1") = "6"
    & skf18("7","3","5","2","7","3","1") = "6"
    & skf18("7","3","5","2","7","4","1") = "6"
    & skf18("7","3","5","2","7","5","1") = "6"
    & skf18("7","3","5","2","7","6","1") = "6"
    & skf18("7","3","5","2","7","7","1") = "6"
    & skf18("7","3","5","2","7","8","1") = "7"
    & skf18("7","3","5","2","7","9","1") = "8"
    & skf18("7","3","5","2","7","10","1") = "9"
    & skf18("7","3","5","2","8","1","1") = "7"
    & skf18("7","3","5","2","8","2","1") = "7"
    & skf18("7","3","5","2","8","3","1") = "7"
    & skf18("7","3","5","2","8","4","1") = "7"
    & skf18("7","3","5","2","8","5","1") = "7"
    & skf18("7","3","5","2","8","6","1") = "7"
    & skf18("7","3","5","2","8","7","1") = "7"
    & skf18("7","3","5","2","8","8","1") = "7"
    & skf18("7","3","5","2","8","9","1") = "8"
    & skf18("7","3","5","2","8","10","1") = "9"
    & skf18("7","3","5","2","9","1","1") = "8"
    & skf18("7","3","5","2","9","2","1") = "8"
    & skf18("7","3","5","2","9","3","1") = "8"
    & skf18("7","3","5","2","9","4","1") = "8"
    & skf18("7","3","5","2","9","5","1") = "8"
    & skf18("7","3","5","2","9","6","1") = "8"
    & skf18("7","3","5","2","9","7","1") = "8"
    & skf18("7","3","5","2","9","8","1") = "8"
    & skf18("7","3","5","2","9","9","1") = "8"
    & skf18("7","3","5","2","9","10","1") = "9"
    & skf18("7","3","5","2","10","1","1") = "9"
    & skf18("7","3","5","2","10","2","1") = "9"
    & skf18("7","3","5","2","10","3","1") = "9"
    & skf18("7","3","5","2","10","4","1") = "9"
    & skf18("7","3","5","2","10","5","1") = "9"
    & skf18("7","3","5","2","10","6","1") = "9"
    & skf18("7","3","5","2","10","7","1") = "9"
    & skf18("7","3","5","2","10","8","1") = "9"
    & skf18("7","3","5","2","10","9","1") = "9"
    & skf18("7","3","5","2","10","10","1") = "9"
    & skf18("7","3","5","3","1","1","1") = "6"
    & skf18("7","3","5","3","1","2","1") = "6"
    & skf18("7","3","5","3","1","3","1") = "6"
    & skf18("7","3","5","3","1","4","1") = "6"
    & skf18("7","3","5","3","1","5","1") = "6"
    & skf18("7","3","5","3","1","6","1") = "6"
    & skf18("7","3","5","3","1","7","1") = "6"
    & skf18("7","3","5","3","1","8","1") = "7"
    & skf18("7","3","5","3","1","9","1") = "8"
    & skf18("7","3","5","3","1","10","1") = "9"
    & skf18("7","3","5","3","2","1","1") = "6"
    & skf18("7","3","5","3","2","2","1") = "6"
    & skf18("7","3","5","3","2","3","1") = "6"
    & skf18("7","3","5","3","2","4","1") = "6"
    & skf18("7","3","5","3","2","5","1") = "6"
    & skf18("7","3","5","3","2","6","1") = "6"
    & skf18("7","3","5","3","2","7","1") = "6"
    & skf18("7","3","5","3","2","8","1") = "7"
    & skf18("7","3","5","3","2","9","1") = "8"
    & skf18("7","3","5","3","2","10","1") = "9"
    & skf18("7","3","5","3","3","1","1") = "6"
    & skf18("7","3","5","3","3","2","1") = "6"
    & skf18("7","3","5","3","3","3","1") = "6"
    & skf18("7","3","5","3","3","4","1") = "6"
    & skf18("7","3","5","3","3","5","1") = "6"
    & skf18("7","3","5","3","3","6","1") = "6"
    & skf18("7","3","5","3","3","7","1") = "6"
    & skf18("7","3","5","3","3","8","1") = "7"
    & skf18("7","3","5","3","3","9","1") = "8"
    & skf18("7","3","5","3","3","10","1") = "9"
    & skf18("7","3","5","3","4","1","1") = "6"
    & skf18("7","3","5","3","4","2","1") = "6"
    & skf18("7","3","5","3","4","3","1") = "6"
    & skf18("7","3","5","3","4","4","1") = "6"
    & skf18("7","3","5","3","4","5","1") = "6"
    & skf18("7","3","5","3","4","6","1") = "6"
    & skf18("7","3","5","3","4","7","1") = "6"
    & skf18("7","3","5","3","4","8","1") = "7"
    & skf18("7","3","5","3","4","9","1") = "8"
    & skf18("7","3","5","3","4","10","1") = "9"
    & skf18("7","3","5","3","5","1","1") = "6"
    & skf18("7","3","5","3","5","2","1") = "6"
    & skf18("7","3","5","3","5","3","1") = "6"
    & skf18("7","3","5","3","5","4","1") = "6"
    & skf18("7","3","5","3","5","5","1") = "6"
    & skf18("7","3","5","3","5","6","1") = "6"
    & skf18("7","3","5","3","5","7","1") = "6"
    & skf18("7","3","5","3","5","8","1") = "7"
    & skf18("7","3","5","3","5","9","1") = "8"
    & skf18("7","3","5","3","5","10","1") = "9"
    & skf18("7","3","5","3","6","1","1") = "6"
    & skf18("7","3","5","3","6","2","1") = "6"
    & skf18("7","3","5","3","6","3","1") = "6"
    & skf18("7","3","5","3","6","4","1") = "6"
    & skf18("7","3","5","3","6","5","1") = "6"
    & skf18("7","3","5","3","6","6","1") = "6"
    & skf18("7","3","5","3","6","7","1") = "6"
    & skf18("7","3","5","3","6","8","1") = "7"
    & skf18("7","3","5","3","6","9","1") = "8"
    & skf18("7","3","5","3","6","10","1") = "9"
    & skf18("7","3","5","3","7","1","1") = "6"
    & skf18("7","3","5","3","7","2","1") = "6"
    & skf18("7","3","5","3","7","3","1") = "6"
    & skf18("7","3","5","3","7","4","1") = "6"
    & skf18("7","3","5","3","7","5","1") = "6"
    & skf18("7","3","5","3","7","6","1") = "6"
    & skf18("7","3","5","3","7","7","1") = "6"
    & skf18("7","3","5","3","7","8","1") = "7"
    & skf18("7","3","5","3","7","9","1") = "8"
    & skf18("7","3","5","3","7","10","1") = "9"
    & skf18("7","3","5","3","8","1","1") = "7"
    & skf18("7","3","5","3","8","2","1") = "7"
    & skf18("7","3","5","3","8","3","1") = "7"
    & skf18("7","3","5","3","8","4","1") = "7"
    & skf18("7","3","5","3","8","5","1") = "7"
    & skf18("7","3","5","3","8","6","1") = "7"
    & skf18("7","3","5","3","8","7","1") = "7"
    & skf18("7","3","5","3","8","8","1") = "7"
    & skf18("7","3","5","3","8","9","1") = "8"
    & skf18("7","3","5","3","8","10","1") = "9"
    & skf18("7","3","5","3","9","1","1") = "8"
    & skf18("7","3","5","3","9","2","1") = "8"
    & skf18("7","3","5","3","9","3","1") = "8"
    & skf18("7","3","5","3","9","4","1") = "8"
    & skf18("7","3","5","3","9","5","1") = "8"
    & skf18("7","3","5","3","9","6","1") = "8"
    & skf18("7","3","5","3","9","7","1") = "8"
    & skf18("7","3","5","3","9","8","1") = "8"
    & skf18("7","3","5","3","9","9","1") = "8"
    & skf18("7","3","5","3","9","10","1") = "9"
    & skf18("7","3","5","3","10","1","1") = "9"
    & skf18("7","3","5","3","10","2","1") = "9"
    & skf18("7","3","5","3","10","3","1") = "9"
    & skf18("7","3","5","3","10","4","1") = "9"
    & skf18("7","3","5","3","10","5","1") = "9"
    & skf18("7","3","5","3","10","6","1") = "9"
    & skf18("7","3","5","3","10","7","1") = "9"
    & skf18("7","3","5","3","10","8","1") = "9"
    & skf18("7","3","5","3","10","9","1") = "9"
    & skf18("7","3","5","3","10","10","1") = "9"
    & skf18("7","3","5","4","1","1","1") = "6"
    & skf18("7","3","5","4","1","2","1") = "6"
    & skf18("7","3","5","4","1","3","1") = "6"
    & skf18("7","3","5","4","1","4","1") = "6"
    & skf18("7","3","5","4","1","5","1") = "6"
    & skf18("7","3","5","4","1","6","1") = "6"
    & skf18("7","3","5","4","1","7","1") = "6"
    & skf18("7","3","5","4","1","8","1") = "7"
    & skf18("7","3","5","4","1","9","1") = "8"
    & skf18("7","3","5","4","1","10","1") = "9"
    & skf18("7","3","5","4","2","1","1") = "6"
    & skf18("7","3","5","4","2","2","1") = "6"
    & skf18("7","3","5","4","2","3","1") = "6"
    & skf18("7","3","5","4","2","4","1") = "6"
    & skf18("7","3","5","4","2","5","1") = "6"
    & skf18("7","3","5","4","2","6","1") = "6"
    & skf18("7","3","5","4","2","7","1") = "6"
    & skf18("7","3","5","4","2","8","1") = "7"
    & skf18("7","3","5","4","2","9","1") = "8"
    & skf18("7","3","5","4","2","10","1") = "9"
    & skf18("7","3","5","4","3","1","1") = "6"
    & skf18("7","3","5","4","3","2","1") = "6"
    & skf18("7","3","5","4","3","3","1") = "6"
    & skf18("7","3","5","4","3","4","1") = "6"
    & skf18("7","3","5","4","3","5","1") = "6"
    & skf18("7","3","5","4","3","6","1") = "6"
    & skf18("7","3","5","4","3","7","1") = "6"
    & skf18("7","3","5","4","3","8","1") = "7"
    & skf18("7","3","5","4","3","9","1") = "8"
    & skf18("7","3","5","4","3","10","1") = "9"
    & skf18("7","3","5","4","4","1","1") = "6"
    & skf18("7","3","5","4","4","2","1") = "6"
    & skf18("7","3","5","4","4","3","1") = "6"
    & skf18("7","3","5","4","4","4","1") = "6"
    & skf18("7","3","5","4","4","5","1") = "6"
    & skf18("7","3","5","4","4","6","1") = "6"
    & skf18("7","3","5","4","4","7","1") = "6"
    & skf18("7","3","5","4","4","8","1") = "7"
    & skf18("7","3","5","4","4","9","1") = "8"
    & skf18("7","3","5","4","4","10","1") = "9"
    & skf18("7","3","5","4","5","1","1") = "6"
    & skf18("7","3","5","4","5","2","1") = "6"
    & skf18("7","3","5","4","5","3","1") = "6"
    & skf18("7","3","5","4","5","4","1") = "6"
    & skf18("7","3","5","4","5","5","1") = "6"
    & skf18("7","3","5","4","5","6","1") = "6"
    & skf18("7","3","5","4","5","7","1") = "6"
    & skf18("7","3","5","4","5","8","1") = "7"
    & skf18("7","3","5","4","5","9","1") = "8"
    & skf18("7","3","5","4","5","10","1") = "9"
    & skf18("7","3","5","4","6","1","1") = "6"
    & skf18("7","3","5","4","6","2","1") = "6"
    & skf18("7","3","5","4","6","3","1") = "6"
    & skf18("7","3","5","4","6","4","1") = "6"
    & skf18("7","3","5","4","6","5","1") = "6"
    & skf18("7","3","5","4","6","6","1") = "6"
    & skf18("7","3","5","4","6","7","1") = "6"
    & skf18("7","3","5","4","6","8","1") = "7"
    & skf18("7","3","5","4","6","9","1") = "8"
    & skf18("7","3","5","4","6","10","1") = "9"
    & skf18("7","3","5","4","7","1","1") = "6"
    & skf18("7","3","5","4","7","2","1") = "6"
    & skf18("7","3","5","4","7","3","1") = "6"
    & skf18("7","3","5","4","7","4","1") = "6"
    & skf18("7","3","5","4","7","5","1") = "6"
    & skf18("7","3","5","4","7","6","1") = "6"
    & skf18("7","3","5","4","7","7","1") = "6"
    & skf18("7","3","5","4","7","8","1") = "7"
    & skf18("7","3","5","4","7","9","1") = "8"
    & skf18("7","3","5","4","7","10","1") = "9"
    & skf18("7","3","5","4","8","1","1") = "7"
    & skf18("7","3","5","4","8","2","1") = "7"
    & skf18("7","3","5","4","8","3","1") = "7"
    & skf18("7","3","5","4","8","4","1") = "7"
    & skf18("7","3","5","4","8","5","1") = "7"
    & skf18("7","3","5","4","8","6","1") = "7"
    & skf18("7","3","5","4","8","7","1") = "7"
    & skf18("7","3","5","4","8","8","1") = "7"
    & skf18("7","3","5","4","8","9","1") = "8"
    & skf18("7","3","5","4","8","10","1") = "9"
    & skf18("7","3","5","4","9","1","1") = "8"
    & skf18("7","3","5","4","9","2","1") = "8"
    & skf18("7","3","5","4","9","3","1") = "8"
    & skf18("7","3","5","4","9","4","1") = "8"
    & skf18("7","3","5","4","9","5","1") = "8"
    & skf18("7","3","5","4","9","6","1") = "8"
    & skf18("7","3","5","4","9","7","1") = "8"
    & skf18("7","3","5","4","9","8","1") = "8"
    & skf18("7","3","5","4","9","9","1") = "8"
    & skf18("7","3","5","4","9","10","1") = "9"
    & skf18("7","3","5","4","10","1","1") = "9"
    & skf18("7","3","5","4","10","2","1") = "9"
    & skf18("7","3","5","4","10","3","1") = "9"
    & skf18("7","3","5","4","10","4","1") = "9"
    & skf18("7","3","5","4","10","5","1") = "9"
    & skf18("7","3","5","4","10","6","1") = "9"
    & skf18("7","3","5","4","10","7","1") = "9"
    & skf18("7","3","5","4","10","8","1") = "9"
    & skf18("7","3","5","4","10","9","1") = "9"
    & skf18("7","3","5","4","10","10","1") = "9"
    & skf18("7","3","5","5","1","1","1") = "6"
    & skf18("7","3","5","5","1","2","1") = "6"
    & skf18("7","3","5","5","1","3","1") = "6"
    & skf18("7","3","5","5","1","4","1") = "6"
    & skf18("7","3","5","5","1","5","1") = "6"
    & skf18("7","3","5","5","1","6","1") = "6"
    & skf18("7","3","5","5","1","7","1") = "6"
    & skf18("7","3","5","5","1","8","1") = "7"
    & skf18("7","3","5","5","1","9","1") = "8"
    & skf18("7","3","5","5","1","10","1") = "9"
    & skf18("7","3","5","5","2","1","1") = "6"
    & skf18("7","3","5","5","2","2","1") = "6"
    & skf18("7","3","5","5","2","3","1") = "6"
    & skf18("7","3","5","5","2","4","1") = "6"
    & skf18("7","3","5","5","2","5","1") = "6"
    & skf18("7","3","5","5","2","6","1") = "6"
    & skf18("7","3","5","5","2","7","1") = "6"
    & skf18("7","3","5","5","2","8","1") = "7"
    & skf18("7","3","5","5","2","9","1") = "8"
    & skf18("7","3","5","5","2","10","1") = "9"
    & skf18("7","3","5","5","3","1","1") = "6"
    & skf18("7","3","5","5","3","2","1") = "6"
    & skf18("7","3","5","5","3","3","1") = "6"
    & skf18("7","3","5","5","3","4","1") = "6"
    & skf18("7","3","5","5","3","5","1") = "6"
    & skf18("7","3","5","5","3","6","1") = "6"
    & skf18("7","3","5","5","3","7","1") = "6"
    & skf18("7","3","5","5","3","8","1") = "7"
    & skf18("7","3","5","5","3","9","1") = "8"
    & skf18("7","3","5","5","3","10","1") = "9"
    & skf18("7","3","5","5","4","1","1") = "6"
    & skf18("7","3","5","5","4","2","1") = "6"
    & skf18("7","3","5","5","4","3","1") = "6"
    & skf18("7","3","5","5","4","4","1") = "6"
    & skf18("7","3","5","5","4","5","1") = "6"
    & skf18("7","3","5","5","4","6","1") = "6"
    & skf18("7","3","5","5","4","7","1") = "6"
    & skf18("7","3","5","5","4","8","1") = "7"
    & skf18("7","3","5","5","4","9","1") = "8"
    & skf18("7","3","5","5","4","10","1") = "9"
    & skf18("7","3","5","5","5","1","1") = "6"
    & skf18("7","3","5","5","5","2","1") = "6"
    & skf18("7","3","5","5","5","3","1") = "6"
    & skf18("7","3","5","5","5","4","1") = "6"
    & skf18("7","3","5","5","5","5","1") = "6"
    & skf18("7","3","5","5","5","6","1") = "6"
    & skf18("7","3","5","5","5","7","1") = "6"
    & skf18("7","3","5","5","5","8","1") = "7"
    & skf18("7","3","5","5","5","9","1") = "8"
    & skf18("7","3","5","5","5","10","1") = "9"
    & skf18("7","3","5","5","6","1","1") = "6"
    & skf18("7","3","5","5","6","2","1") = "6"
    & skf18("7","3","5","5","6","3","1") = "6"
    & skf18("7","3","5","5","6","4","1") = "6"
    & skf18("7","3","5","5","6","5","1") = "6"
    & skf18("7","3","5","5","6","6","1") = "6"
    & skf18("7","3","5","5","6","7","1") = "6"
    & skf18("7","3","5","5","6","8","1") = "7"
    & skf18("7","3","5","5","6","9","1") = "8"
    & skf18("7","3","5","5","6","10","1") = "9"
    & skf18("7","3","5","5","7","1","1") = "6"
    & skf18("7","3","5","5","7","2","1") = "6"
    & skf18("7","3","5","5","7","3","1") = "6"
    & skf18("7","3","5","5","7","4","1") = "6"
    & skf18("7","3","5","5","7","5","1") = "6"
    & skf18("7","3","5","5","7","6","1") = "6"
    & skf18("7","3","5","5","7","7","1") = "6"
    & skf18("7","3","5","5","7","8","1") = "7"
    & skf18("7","3","5","5","7","9","1") = "8"
    & skf18("7","3","5","5","7","10","1") = "9"
    & skf18("7","3","5","5","8","1","1") = "7"
    & skf18("7","3","5","5","8","2","1") = "7"
    & skf18("7","3","5","5","8","3","1") = "7"
    & skf18("7","3","5","5","8","4","1") = "7"
    & skf18("7","3","5","5","8","5","1") = "7"
    & skf18("7","3","5","5","8","6","1") = "7"
    & skf18("7","3","5","5","8","7","1") = "7"
    & skf18("7","3","5","5","8","8","1") = "7"
    & skf18("7","3","5","5","8","9","1") = "8"
    & skf18("7","3","5","5","8","10","1") = "9"
    & skf18("7","3","5","5","9","1","1") = "8"
    & skf18("7","3","5","5","9","2","1") = "8"
    & skf18("7","3","5","5","9","3","1") = "8"
    & skf18("7","3","5","5","9","4","1") = "8"
    & skf18("7","3","5","5","9","5","1") = "8"
    & skf18("7","3","5","5","9","6","1") = "8"
    & skf18("7","3","5","5","9","7","1") = "8"
    & skf18("7","3","5","5","9","8","1") = "8"
    & skf18("7","3","5","5","9","9","1") = "8"
    & skf18("7","3","5","5","9","10","1") = "9"
    & skf18("7","3","5","5","10","1","1") = "9"
    & skf18("7","3","5","5","10","2","1") = "9"
    & skf18("7","3","5","5","10","3","1") = "9"
    & skf18("7","3","5","5","10","4","1") = "9"
    & skf18("7","3","5","5","10","5","1") = "9"
    & skf18("7","3","5","5","10","6","1") = "9"
    & skf18("7","3","5","5","10","7","1") = "9"
    & skf18("7","3","5","5","10","8","1") = "9"
    & skf18("7","3","5","5","10","9","1") = "9"
    & skf18("7","3","5","5","10","10","1") = "9"
    & skf18("7","3","5","6","1","1","1") = "6"
    & skf18("7","3","5","6","1","2","1") = "6"
    & skf18("7","3","5","6","1","3","1") = "6"
    & skf18("7","3","5","6","1","4","1") = "6"
    & skf18("7","3","5","6","1","5","1") = "6"
    & skf18("7","3","5","6","1","6","1") = "6"
    & skf18("7","3","5","6","1","7","1") = "6"
    & skf18("7","3","5","6","1","8","1") = "7"
    & skf18("7","3","5","6","1","9","1") = "8"
    & skf18("7","3","5","6","1","10","1") = "9"
    & skf18("7","3","5","6","2","1","1") = "6"
    & skf18("7","3","5","6","2","2","1") = "6"
    & skf18("7","3","5","6","2","3","1") = "6"
    & skf18("7","3","5","6","2","4","1") = "6"
    & skf18("7","3","5","6","2","5","1") = "6"
    & skf18("7","3","5","6","2","6","1") = "6"
    & skf18("7","3","5","6","2","7","1") = "6"
    & skf18("7","3","5","6","2","8","1") = "7"
    & skf18("7","3","5","6","2","9","1") = "8"
    & skf18("7","3","5","6","2","10","1") = "9"
    & skf18("7","3","5","6","3","1","1") = "6"
    & skf18("7","3","5","6","3","2","1") = "6"
    & skf18("7","3","5","6","3","3","1") = "6"
    & skf18("7","3","5","6","3","4","1") = "6"
    & skf18("7","3","5","6","3","5","1") = "6"
    & skf18("7","3","5","6","3","6","1") = "6"
    & skf18("7","3","5","6","3","7","1") = "6"
    & skf18("7","3","5","6","3","8","1") = "7"
    & skf18("7","3","5","6","3","9","1") = "8"
    & skf18("7","3","5","6","3","10","1") = "9"
    & skf18("7","3","5","6","4","1","1") = "6"
    & skf18("7","3","5","6","4","2","1") = "6"
    & skf18("7","3","5","6","4","3","1") = "6"
    & skf18("7","3","5","6","4","4","1") = "6"
    & skf18("7","3","5","6","4","5","1") = "6"
    & skf18("7","3","5","6","4","6","1") = "6"
    & skf18("7","3","5","6","4","7","1") = "6"
    & skf18("7","3","5","6","4","8","1") = "7"
    & skf18("7","3","5","6","4","9","1") = "8"
    & skf18("7","3","5","6","4","10","1") = "9"
    & skf18("7","3","5","6","5","1","1") = "6"
    & skf18("7","3","5","6","5","2","1") = "6"
    & skf18("7","3","5","6","5","3","1") = "6"
    & skf18("7","3","5","6","5","4","1") = "6"
    & skf18("7","3","5","6","5","5","1") = "6"
    & skf18("7","3","5","6","5","6","1") = "6"
    & skf18("7","3","5","6","5","7","1") = "6"
    & skf18("7","3","5","6","5","8","1") = "7"
    & skf18("7","3","5","6","5","9","1") = "8"
    & skf18("7","3","5","6","5","10","1") = "9"
    & skf18("7","3","5","6","6","1","1") = "6"
    & skf18("7","3","5","6","6","2","1") = "6"
    & skf18("7","3","5","6","6","3","1") = "6"
    & skf18("7","3","5","6","6","4","1") = "6"
    & skf18("7","3","5","6","6","5","1") = "6"
    & skf18("7","3","5","6","6","6","1") = "6"
    & skf18("7","3","5","6","6","7","1") = "6"
    & skf18("7","3","5","6","6","8","1") = "7"
    & skf18("7","3","5","6","6","9","1") = "8"
    & skf18("7","3","5","6","6","10","1") = "9"
    & skf18("7","3","5","6","7","1","1") = "6"
    & skf18("7","3","5","6","7","2","1") = "6"
    & skf18("7","3","5","6","7","3","1") = "6"
    & skf18("7","3","5","6","7","4","1") = "6"
    & skf18("7","3","5","6","7","5","1") = "6"
    & skf18("7","3","5","6","7","6","1") = "6"
    & skf18("7","3","5","6","7","7","1") = "6"
    & skf18("7","3","5","6","7","8","1") = "7"
    & skf18("7","3","5","6","7","9","1") = "8"
    & skf18("7","3","5","6","7","10","1") = "9"
    & skf18("7","3","5","6","8","1","1") = "7"
    & skf18("7","3","5","6","8","2","1") = "7"
    & skf18("7","3","5","6","8","3","1") = "7"
    & skf18("7","3","5","6","8","4","1") = "7"
    & skf18("7","3","5","6","8","5","1") = "7"
    & skf18("7","3","5","6","8","6","1") = "7"
    & skf18("7","3","5","6","8","7","1") = "7"
    & skf18("7","3","5","6","8","8","1") = "7"
    & skf18("7","3","5","6","8","9","1") = "8"
    & skf18("7","3","5","6","8","10","1") = "9"
    & skf18("7","3","5","6","9","1","1") = "8"
    & skf18("7","3","5","6","9","2","1") = "8"
    & skf18("7","3","5","6","9","3","1") = "8"
    & skf18("7","3","5","6","9","4","1") = "8"
    & skf18("7","3","5","6","9","5","1") = "8"
    & skf18("7","3","5","6","9","6","1") = "8"
    & skf18("7","3","5","6","9","7","1") = "8"
    & skf18("7","3","5","6","9","8","1") = "8"
    & skf18("7","3","5","6","9","9","1") = "8"
    & skf18("7","3","5","6","9","10","1") = "9"
    & skf18("7","3","5","6","10","1","1") = "9"
    & skf18("7","3","5","6","10","2","1") = "9"
    & skf18("7","3","5","6","10","3","1") = "9"
    & skf18("7","3","5","6","10","4","1") = "9"
    & skf18("7","3","5","6","10","5","1") = "9"
    & skf18("7","3","5","6","10","6","1") = "9"
    & skf18("7","3","5","6","10","7","1") = "9"
    & skf18("7","3","5","6","10","8","1") = "9"
    & skf18("7","3","5","6","10","9","1") = "9"
    & skf18("7","3","5","6","10","10","1") = "9"
    & skf18("7","3","5","7","1","1","1") = "6"
    & skf18("7","3","5","7","1","2","1") = "6"
    & skf18("7","3","5","7","1","3","1") = "6"
    & skf18("7","3","5","7","1","4","1") = "6"
    & skf18("7","3","5","7","1","5","1") = "6"
    & skf18("7","3","5","7","1","6","1") = "6"
    & skf18("7","3","5","7","1","7","1") = "6"
    & skf18("7","3","5","7","1","8","1") = "7"
    & skf18("7","3","5","7","1","9","1") = "8"
    & skf18("7","3","5","7","1","10","1") = "9"
    & skf18("7","3","5","7","2","1","1") = "6"
    & skf18("7","3","5","7","2","2","1") = "6"
    & skf18("7","3","5","7","2","3","1") = "6"
    & skf18("7","3","5","7","2","4","1") = "6"
    & skf18("7","3","5","7","2","5","1") = "6"
    & skf18("7","3","5","7","2","6","1") = "6"
    & skf18("7","3","5","7","2","7","1") = "6"
    & skf18("7","3","5","7","2","8","1") = "7"
    & skf18("7","3","5","7","2","9","1") = "8"
    & skf18("7","3","5","7","2","10","1") = "9"
    & skf18("7","3","5","7","3","1","1") = "6"
    & skf18("7","3","5","7","3","2","1") = "6"
    & skf18("7","3","5","7","3","3","1") = "6"
    & skf18("7","3","5","7","3","4","1") = "6"
    & skf18("7","3","5","7","3","5","1") = "6"
    & skf18("7","3","5","7","3","6","1") = "6"
    & skf18("7","3","5","7","3","7","1") = "6"
    & skf18("7","3","5","7","3","8","1") = "7"
    & skf18("7","3","5","7","3","9","1") = "8"
    & skf18("7","3","5","7","3","10","1") = "9"
    & skf18("7","3","5","7","4","1","1") = "6"
    & skf18("7","3","5","7","4","2","1") = "6"
    & skf18("7","3","5","7","4","3","1") = "6"
    & skf18("7","3","5","7","4","4","1") = "6"
    & skf18("7","3","5","7","4","5","1") = "6"
    & skf18("7","3","5","7","4","6","1") = "6"
    & skf18("7","3","5","7","4","7","1") = "6"
    & skf18("7","3","5","7","4","8","1") = "7"
    & skf18("7","3","5","7","4","9","1") = "8"
    & skf18("7","3","5","7","4","10","1") = "9"
    & skf18("7","3","5","7","5","1","1") = "6"
    & skf18("7","3","5","7","5","2","1") = "6"
    & skf18("7","3","5","7","5","3","1") = "6"
    & skf18("7","3","5","7","5","4","1") = "6"
    & skf18("7","3","5","7","5","5","1") = "6"
    & skf18("7","3","5","7","5","6","1") = "6"
    & skf18("7","3","5","7","5","7","1") = "6"
    & skf18("7","3","5","7","5","8","1") = "7"
    & skf18("7","3","5","7","5","9","1") = "8"
    & skf18("7","3","5","7","5","10","1") = "9"
    & skf18("7","3","5","7","6","1","1") = "6"
    & skf18("7","3","5","7","6","2","1") = "6"
    & skf18("7","3","5","7","6","3","1") = "6"
    & skf18("7","3","5","7","6","4","1") = "6"
    & skf18("7","3","5","7","6","5","1") = "6"
    & skf18("7","3","5","7","6","6","1") = "6"
    & skf18("7","3","5","7","6","7","1") = "6"
    & skf18("7","3","5","7","6","8","1") = "7"
    & skf18("7","3","5","7","6","9","1") = "8"
    & skf18("7","3","5","7","6","10","1") = "9"
    & skf18("7","3","5","7","7","1","1") = "6"
    & skf18("7","3","5","7","7","2","1") = "6"
    & skf18("7","3","5","7","7","3","1") = "6"
    & skf18("7","3","5","7","7","4","1") = "6"
    & skf18("7","3","5","7","7","5","1") = "6"
    & skf18("7","3","5","7","7","6","1") = "6"
    & skf18("7","3","5","7","7","7","1") = "6"
    & skf18("7","3","5","7","7","8","1") = "7"
    & skf18("7","3","5","7","7","9","1") = "8"
    & skf18("7","3","5","7","7","10","1") = "9"
    & skf18("7","3","5","7","8","1","1") = "7"
    & skf18("7","3","5","7","8","2","1") = "7"
    & skf18("7","3","5","7","8","3","1") = "7"
    & skf18("7","3","5","7","8","4","1") = "7"
    & skf18("7","3","5","7","8","5","1") = "7"
    & skf18("7","3","5","7","8","6","1") = "7"
    & skf18("7","3","5","7","8","7","1") = "7"
    & skf18("7","3","5","7","8","8","1") = "7"
    & skf18("7","3","5","7","8","9","1") = "8"
    & skf18("7","3","5","7","8","10","1") = "9"
    & skf18("7","3","5","7","9","1","1") = "8"
    & skf18("7","3","5","7","9","2","1") = "8"
    & skf18("7","3","5","7","9","3","1") = "8"
    & skf18("7","3","5","7","9","4","1") = "8"
    & skf18("7","3","5","7","9","5","1") = "8"
    & skf18("7","3","5","7","9","6","1") = "8"
    & skf18("7","3","5","7","9","7","1") = "8"
    & skf18("7","3","5","7","9","8","1") = "8"
    & skf18("7","3","5","7","9","9","1") = "8"
    & skf18("7","3","5","7","9","10","1") = "9"
    & skf18("7","3","5","7","10","1","1") = "9"
    & skf18("7","3","5","7","10","2","1") = "9"
    & skf18("7","3","5","7","10","3","1") = "9"
    & skf18("7","3","5","7","10","4","1") = "9"
    & skf18("7","3","5","7","10","5","1") = "9"
    & skf18("7","3","5","7","10","6","1") = "9"
    & skf18("7","3","5","7","10","7","1") = "9"
    & skf18("7","3","5","7","10","8","1") = "9"
    & skf18("7","3","5","7","10","9","1") = "9"
    & skf18("7","3","5","7","10","10","1") = "9"
    & skf18("7","3","5","8","1","1","1") = "7"
    & skf18("7","3","5","8","1","2","1") = "7"
    & skf18("7","3","5","8","1","3","1") = "7"
    & skf18("7","3","5","8","1","4","1") = "7"
    & skf18("7","3","5","8","1","5","1") = "7"
    & skf18("7","3","5","8","1","6","1") = "7"
    & skf18("7","3","5","8","1","7","1") = "7"
    & skf18("7","3","5","8","1","8","1") = "7"
    & skf18("7","3","5","8","1","9","1") = "8"
    & skf18("7","3","5","8","1","10","1") = "9"
    & skf18("7","3","5","8","2","1","1") = "7"
    & skf18("7","3","5","8","2","2","1") = "7"
    & skf18("7","3","5","8","2","3","1") = "7"
    & skf18("7","3","5","8","2","4","1") = "7"
    & skf18("7","3","5","8","2","5","1") = "7"
    & skf18("7","3","5","8","2","6","1") = "7"
    & skf18("7","3","5","8","2","7","1") = "7"
    & skf18("7","3","5","8","2","8","1") = "7"
    & skf18("7","3","5","8","2","9","1") = "8"
    & skf18("7","3","5","8","2","10","1") = "9"
    & skf18("7","3","5","8","3","1","1") = "7"
    & skf18("7","3","5","8","3","2","1") = "7"
    & skf18("7","3","5","8","3","3","1") = "7"
    & skf18("7","3","5","8","3","4","1") = "7"
    & skf18("7","3","5","8","3","5","1") = "7"
    & skf18("7","3","5","8","3","6","1") = "7"
    & skf18("7","3","5","8","3","7","1") = "7"
    & skf18("7","3","5","8","3","8","1") = "7"
    & skf18("7","3","5","8","3","9","1") = "8"
    & skf18("7","3","5","8","3","10","1") = "9"
    & skf18("7","3","5","8","4","1","1") = "7"
    & skf18("7","3","5","8","4","2","1") = "7"
    & skf18("7","3","5","8","4","3","1") = "7"
    & skf18("7","3","5","8","4","4","1") = "7"
    & skf18("7","3","5","8","4","5","1") = "7"
    & skf18("7","3","5","8","4","6","1") = "7"
    & skf18("7","3","5","8","4","7","1") = "7"
    & skf18("7","3","5","8","4","8","1") = "7"
    & skf18("7","3","5","8","4","9","1") = "8"
    & skf18("7","3","5","8","4","10","1") = "9"
    & skf18("7","3","5","8","5","1","1") = "7"
    & skf18("7","3","5","8","5","2","1") = "7"
    & skf18("7","3","5","8","5","3","1") = "7"
    & skf18("7","3","5","8","5","4","1") = "7"
    & skf18("7","3","5","8","5","5","1") = "7"
    & skf18("7","3","5","8","5","6","1") = "7"
    & skf18("7","3","5","8","5","7","1") = "7"
    & skf18("7","3","5","8","5","8","1") = "7"
    & skf18("7","3","5","8","5","9","1") = "8"
    & skf18("7","3","5","8","5","10","1") = "9"
    & skf18("7","3","5","8","6","1","1") = "7"
    & skf18("7","3","5","8","6","2","1") = "7"
    & skf18("7","3","5","8","6","3","1") = "7"
    & skf18("7","3","5","8","6","4","1") = "7"
    & skf18("7","3","5","8","6","5","1") = "7"
    & skf18("7","3","5","8","6","6","1") = "7"
    & skf18("7","3","5","8","6","7","1") = "7"
    & skf18("7","3","5","8","6","8","1") = "7"
    & skf18("7","3","5","8","6","9","1") = "8"
    & skf18("7","3","5","8","6","10","1") = "9"
    & skf18("7","3","5","8","7","1","1") = "7"
    & skf18("7","3","5","8","7","2","1") = "7"
    & skf18("7","3","5","8","7","3","1") = "7"
    & skf18("7","3","5","8","7","4","1") = "7"
    & skf18("7","3","5","8","7","5","1") = "7"
    & skf18("7","3","5","8","7","6","1") = "7"
    & skf18("7","3","5","8","7","7","1") = "7"
    & skf18("7","3","5","8","7","8","1") = "7"
    & skf18("7","3","5","8","7","9","1") = "8"
    & skf18("7","3","5","8","7","10","1") = "9"
    & skf18("7","3","5","8","8","1","1") = "7"
    & skf18("7","3","5","8","8","2","1") = "7"
    & skf18("7","3","5","8","8","3","1") = "7"
    & skf18("7","3","5","8","8","4","1") = "7"
    & skf18("7","3","5","8","8","5","1") = "7"
    & skf18("7","3","5","8","8","6","1") = "7"
    & skf18("7","3","5","8","8","7","1") = "7"
    & skf18("7","3","5","8","8","8","1") = "7"
    & skf18("7","3","5","8","8","9","1") = "8"
    & skf18("7","3","5","8","8","10","1") = "9"
    & skf18("7","3","5","8","9","1","1") = "8"
    & skf18("7","3","5","8","9","2","1") = "8"
    & skf18("7","3","5","8","9","3","1") = "8"
    & skf18("7","3","5","8","9","4","1") = "8"
    & skf18("7","3","5","8","9","5","1") = "8"
    & skf18("7","3","5","8","9","6","1") = "8"
    & skf18("7","3","5","8","9","7","1") = "8"
    & skf18("7","3","5","8","9","8","1") = "8"
    & skf18("7","3","5","8","9","9","1") = "8"
    & skf18("7","3","5","8","9","10","1") = "9"
    & skf18("7","3","5","8","10","1","1") = "9"
    & skf18("7","3","5","8","10","2","1") = "9"
    & skf18("7","3","5","8","10","3","1") = "9"
    & skf18("7","3","5","8","10","4","1") = "9"
    & skf18("7","3","5","8","10","5","1") = "9"
    & skf18("7","3","5","8","10","6","1") = "9"
    & skf18("7","3","5","8","10","7","1") = "9"
    & skf18("7","3","5","8","10","8","1") = "9"
    & skf18("7","3","5","8","10","9","1") = "9"
    & skf18("7","3","5","8","10","10","1") = "9"
    & skf18("7","3","5","9","1","1","1") = "8"
    & skf18("7","3","5","9","1","2","1") = "8"
    & skf18("7","3","5","9","1","3","1") = "8"
    & skf18("7","3","5","9","1","4","1") = "8"
    & skf18("7","3","5","9","1","5","1") = "8"
    & skf18("7","3","5","9","1","6","1") = "8"
    & skf18("7","3","5","9","1","7","1") = "8"
    & skf18("7","3","5","9","1","8","1") = "8"
    & skf18("7","3","5","9","1","9","1") = "8"
    & skf18("7","3","5","9","1","10","1") = "9"
    & skf18("7","3","5","9","2","1","1") = "8"
    & skf18("7","3","5","9","2","2","1") = "8"
    & skf18("7","3","5","9","2","3","1") = "8"
    & skf18("7","3","5","9","2","4","1") = "8"
    & skf18("7","3","5","9","2","5","1") = "8"
    & skf18("7","3","5","9","2","6","1") = "8"
    & skf18("7","3","5","9","2","7","1") = "8"
    & skf18("7","3","5","9","2","8","1") = "8"
    & skf18("7","3","5","9","2","9","1") = "8"
    & skf18("7","3","5","9","2","10","1") = "9"
    & skf18("7","3","5","9","3","1","1") = "8"
    & skf18("7","3","5","9","3","2","1") = "8"
    & skf18("7","3","5","9","3","3","1") = "8"
    & skf18("7","3","5","9","3","4","1") = "8"
    & skf18("7","3","5","9","3","5","1") = "8"
    & skf18("7","3","5","9","3","6","1") = "8"
    & skf18("7","3","5","9","3","7","1") = "8"
    & skf18("7","3","5","9","3","8","1") = "8"
    & skf18("7","3","5","9","3","9","1") = "8"
    & skf18("7","3","5","9","3","10","1") = "9"
    & skf18("7","3","5","9","4","1","1") = "8"
    & skf18("7","3","5","9","4","2","1") = "8"
    & skf18("7","3","5","9","4","3","1") = "8"
    & skf18("7","3","5","9","4","4","1") = "8"
    & skf18("7","3","5","9","4","5","1") = "8"
    & skf18("7","3","5","9","4","6","1") = "8"
    & skf18("7","3","5","9","4","7","1") = "8"
    & skf18("7","3","5","9","4","8","1") = "8"
    & skf18("7","3","5","9","4","9","1") = "8"
    & skf18("7","3","5","9","4","10","1") = "9"
    & skf18("7","3","5","9","5","1","1") = "8"
    & skf18("7","3","5","9","5","2","1") = "8"
    & skf18("7","3","5","9","5","3","1") = "8"
    & skf18("7","3","5","9","5","4","1") = "8"
    & skf18("7","3","5","9","5","5","1") = "8"
    & skf18("7","3","5","9","5","6","1") = "8"
    & skf18("7","3","5","9","5","7","1") = "8"
    & skf18("7","3","5","9","5","8","1") = "8"
    & skf18("7","3","5","9","5","9","1") = "8"
    & skf18("7","3","5","9","5","10","1") = "9"
    & skf18("7","3","5","9","6","1","1") = "8"
    & skf18("7","3","5","9","6","2","1") = "8"
    & skf18("7","3","5","9","6","3","1") = "8"
    & skf18("7","3","5","9","6","4","1") = "8"
    & skf18("7","3","5","9","6","5","1") = "8"
    & skf18("7","3","5","9","6","6","1") = "8"
    & skf18("7","3","5","9","6","7","1") = "8"
    & skf18("7","3","5","9","6","8","1") = "8"
    & skf18("7","3","5","9","6","9","1") = "8"
    & skf18("7","3","5","9","6","10","1") = "9"
    & skf18("7","3","5","9","7","1","1") = "8"
    & skf18("7","3","5","9","7","2","1") = "8"
    & skf18("7","3","5","9","7","3","1") = "8"
    & skf18("7","3","5","9","7","4","1") = "8"
    & skf18("7","3","5","9","7","5","1") = "8"
    & skf18("7","3","5","9","7","6","1") = "8"
    & skf18("7","3","5","9","7","7","1") = "8"
    & skf18("7","3","5","9","7","8","1") = "8"
    & skf18("7","3","5","9","7","9","1") = "8"
    & skf18("7","3","5","9","7","10","1") = "9"
    & skf18("7","3","5","9","8","1","1") = "8"
    & skf18("7","3","5","9","8","2","1") = "8"
    & skf18("7","3","5","9","8","3","1") = "8"
    & skf18("7","3","5","9","8","4","1") = "8"
    & skf18("7","3","5","9","8","5","1") = "8"
    & skf18("7","3","5","9","8","6","1") = "8"
    & skf18("7","3","5","9","8","7","1") = "8"
    & skf18("7","3","5","9","8","8","1") = "8"
    & skf18("7","3","5","9","8","9","1") = "8"
    & skf18("7","3","5","9","8","10","1") = "9"
    & skf18("7","3","5","9","9","1","1") = "8"
    & skf18("7","3","5","9","9","2","1") = "8"
    & skf18("7","3","5","9","9","3","1") = "8"
    & skf18("7","3","5","9","9","4","1") = "8"
    & skf18("7","3","5","9","9","5","1") = "8"
    & skf18("7","3","5","9","9","6","1") = "8"
    & skf18("7","3","5","9","9","7","1") = "8"
    & skf18("7","3","5","9","9","8","1") = "8"
    & skf18("7","3","5","9","9","9","1") = "8"
    & skf18("7","3","5","9","9","10","1") = "9"
    & skf18("7","3","5","9","10","1","1") = "9"
    & skf18("7","3","5","9","10","2","1") = "9"
    & skf18("7","3","5","9","10","3","1") = "9"
    & skf18("7","3","5","9","10","4","1") = "9"
    & skf18("7","3","5","9","10","5","1") = "9"
    & skf18("7","3","5","9","10","6","1") = "9"
    & skf18("7","3","5","9","10","7","1") = "9"
    & skf18("7","3","5","9","10","8","1") = "9"
    & skf18("7","3","5","9","10","9","1") = "9"
    & skf18("7","3","5","9","10","10","1") = "9"
    & skf18("7","3","5","10","1","1","1") = "9"
    & skf18("7","3","5","10","1","2","1") = "9"
    & skf18("7","3","5","10","1","3","1") = "9"
    & skf18("7","3","5","10","1","4","1") = "9"
    & skf18("7","3","5","10","1","5","1") = "9"
    & skf18("7","3","5","10","1","6","1") = "9"
    & skf18("7","3","5","10","1","7","1") = "9"
    & skf18("7","3","5","10","1","8","1") = "9"
    & skf18("7","3","5","10","1","9","1") = "9"
    & skf18("7","3","5","10","1","10","1") = "9"
    & skf18("7","3","5","10","2","1","1") = "9"
    & skf18("7","3","5","10","2","2","1") = "9"
    & skf18("7","3","5","10","2","3","1") = "9"
    & skf18("7","3","5","10","2","4","1") = "9"
    & skf18("7","3","5","10","2","5","1") = "9"
    & skf18("7","3","5","10","2","6","1") = "9"
    & skf18("7","3","5","10","2","7","1") = "9"
    & skf18("7","3","5","10","2","8","1") = "9"
    & skf18("7","3","5","10","2","9","1") = "9"
    & skf18("7","3","5","10","2","10","1") = "9"
    & skf18("7","3","5","10","3","1","1") = "9"
    & skf18("7","3","5","10","3","2","1") = "9"
    & skf18("7","3","5","10","3","3","1") = "9"
    & skf18("7","3","5","10","3","4","1") = "9"
    & skf18("7","3","5","10","3","5","1") = "9"
    & skf18("7","3","5","10","3","6","1") = "9"
    & skf18("7","3","5","10","3","7","1") = "9"
    & skf18("7","3","5","10","3","8","1") = "9"
    & skf18("7","3","5","10","3","9","1") = "9"
    & skf18("7","3","5","10","3","10","1") = "9"
    & skf18("7","3","5","10","4","1","1") = "9"
    & skf18("7","3","5","10","4","2","1") = "9"
    & skf18("7","3","5","10","4","3","1") = "9"
    & skf18("7","3","5","10","4","4","1") = "9"
    & skf18("7","3","5","10","4","5","1") = "9"
    & skf18("7","3","5","10","4","6","1") = "9"
    & skf18("7","3","5","10","4","7","1") = "9"
    & skf18("7","3","5","10","4","8","1") = "9"
    & skf18("7","3","5","10","4","9","1") = "9"
    & skf18("7","3","5","10","4","10","1") = "9"
    & skf18("7","3","5","10","5","1","1") = "9"
    & skf18("7","3","5","10","5","2","1") = "9"
    & skf18("7","3","5","10","5","3","1") = "9"
    & skf18("7","3","5","10","5","4","1") = "9"
    & skf18("7","3","5","10","5","5","1") = "9"
    & skf18("7","3","5","10","5","6","1") = "9"
    & skf18("7","3","5","10","5","7","1") = "9"
    & skf18("7","3","5","10","5","8","1") = "9"
    & skf18("7","3","5","10","5","9","1") = "9"
    & skf18("7","3","5","10","5","10","1") = "9"
    & skf18("7","3","5","10","6","1","1") = "9"
    & skf18("7","3","5","10","6","2","1") = "9"
    & skf18("7","3","5","10","6","3","1") = "9"
    & skf18("7","3","5","10","6","4","1") = "9"
    & skf18("7","3","5","10","6","5","1") = "9"
    & skf18("7","3","5","10","6","6","1") = "9"
    & skf18("7","3","5","10","6","7","1") = "9"
    & skf18("7","3","5","10","6","8","1") = "9"
    & skf18("7","3","5","10","6","9","1") = "9"
    & skf18("7","3","5","10","6","10","1") = "9"
    & skf18("7","3","5","10","7","1","1") = "9"
    & skf18("7","3","5","10","7","2","1") = "9"
    & skf18("7","3","5","10","7","3","1") = "9"
    & skf18("7","3","5","10","7","4","1") = "9"
    & skf18("7","3","5","10","7","5","1") = "9"
    & skf18("7","3","5","10","7","6","1") = "9"
    & skf18("7","3","5","10","7","7","1") = "9"
    & skf18("7","3","5","10","7","8","1") = "9"
    & skf18("7","3","5","10","7","9","1") = "9"
    & skf18("7","3","5","10","7","10","1") = "9"
    & skf18("7","3","5","10","8","1","1") = "9"
    & skf18("7","3","5","10","8","2","1") = "9"
    & skf18("7","3","5","10","8","3","1") = "9"
    & skf18("7","3","5","10","8","4","1") = "9"
    & skf18("7","3","5","10","8","5","1") = "9"
    & skf18("7","3","5","10","8","6","1") = "9"
    & skf18("7","3","5","10","8","7","1") = "9"
    & skf18("7","3","5","10","8","8","1") = "9"
    & skf18("7","3","5","10","8","9","1") = "9"
    & skf18("7","3","5","10","8","10","1") = "9"
    & skf18("7","3","5","10","9","1","1") = "9"
    & skf18("7","3","5","10","9","2","1") = "9"
    & skf18("7","3","5","10","9","3","1") = "9"
    & skf18("7","3","5","10","9","4","1") = "9"
    & skf18("7","3","5","10","9","5","1") = "9"
    & skf18("7","3","5","10","9","6","1") = "9"
    & skf18("7","3","5","10","9","7","1") = "9"
    & skf18("7","3","5","10","9","8","1") = "9"
    & skf18("7","3","5","10","9","9","1") = "9"
    & skf18("7","3","5","10","9","10","1") = "9"
    & skf18("7","3","5","10","10","1","1") = "9"
    & skf18("7","3","5","10","10","2","1") = "9"
    & skf18("7","3","5","10","10","3","1") = "9"
    & skf18("7","3","5","10","10","4","1") = "9"
    & skf18("7","3","5","10","10","5","1") = "9"
    & skf18("7","3","5","10","10","6","1") = "9"
    & skf18("7","3","5","10","10","7","1") = "9"
    & skf18("7","3","5","10","10","8","1") = "9"
    & skf18("7","3","5","10","10","9","1") = "9"
    & skf18("7","3","5","10","10","10","1") = "9"
    & skf18("7","3","6","1","1","1","1") = "6"
    & skf18("7","3","6","1","1","2","1") = "6"
    & skf18("7","3","6","1","1","3","1") = "6"
    & skf18("7","3","6","1","1","4","1") = "6"
    & skf18("7","3","6","1","1","5","1") = "6"
    & skf18("7","3","6","1","1","6","1") = "6"
    & skf18("7","3","6","1","1","7","1") = "6"
    & skf18("7","3","6","1","1","8","1") = "7"
    & skf18("7","3","6","1","1","9","1") = "8"
    & skf18("7","3","6","1","1","10","1") = "9"
    & skf18("7","3","6","1","2","1","1") = "6"
    & skf18("7","3","6","1","2","2","1") = "6"
    & skf18("7","3","6","1","2","3","1") = "6"
    & skf18("7","3","6","1","2","4","1") = "6"
    & skf18("7","3","6","1","2","5","1") = "6"
    & skf18("7","3","6","1","2","6","1") = "6"
    & skf18("7","3","6","1","2","7","1") = "6"
    & skf18("7","3","6","1","2","8","1") = "7"
    & skf18("7","3","6","1","2","9","1") = "8"
    & skf18("7","3","6","1","2","10","1") = "9"
    & skf18("7","3","6","1","3","1","1") = "6"
    & skf18("7","3","6","1","3","2","1") = "6"
    & skf18("7","3","6","1","3","3","1") = "6"
    & skf18("7","3","6","1","3","4","1") = "6"
    & skf18("7","3","6","1","3","5","1") = "6"
    & skf18("7","3","6","1","3","6","1") = "6"
    & skf18("7","3","6","1","3","7","1") = "6"
    & skf18("7","3","6","1","3","8","1") = "7"
    & skf18("7","3","6","1","3","9","1") = "8"
    & skf18("7","3","6","1","3","10","1") = "9"
    & skf18("7","3","6","1","4","1","1") = "6"
    & skf18("7","3","6","1","4","2","1") = "6"
    & skf18("7","3","6","1","4","3","1") = "6"
    & skf18("7","3","6","1","4","4","1") = "6"
    & skf18("7","3","6","1","4","5","1") = "6"
    & skf18("7","3","6","1","4","6","1") = "6"
    & skf18("7","3","6","1","4","7","1") = "6"
    & skf18("7","3","6","1","4","8","1") = "7"
    & skf18("7","3","6","1","4","9","1") = "8"
    & skf18("7","3","6","1","4","10","1") = "9"
    & skf18("7","3","6","1","5","1","1") = "6"
    & skf18("7","3","6","1","5","2","1") = "6"
    & skf18("7","3","6","1","5","3","1") = "6"
    & skf18("7","3","6","1","5","4","1") = "6"
    & skf18("7","3","6","1","5","5","1") = "6"
    & skf18("7","3","6","1","5","6","1") = "6"
    & skf18("7","3","6","1","5","7","1") = "6"
    & skf18("7","3","6","1","5","8","1") = "7"
    & skf18("7","3","6","1","5","9","1") = "8"
    & skf18("7","3","6","1","5","10","1") = "9"
    & skf18("7","3","6","1","6","1","1") = "6"
    & skf18("7","3","6","1","6","2","1") = "6"
    & skf18("7","3","6","1","6","3","1") = "6"
    & skf18("7","3","6","1","6","4","1") = "6"
    & skf18("7","3","6","1","6","5","1") = "6"
    & skf18("7","3","6","1","6","6","1") = "6"
    & skf18("7","3","6","1","6","7","1") = "6"
    & skf18("7","3","6","1","6","8","1") = "7"
    & skf18("7","3","6","1","6","9","1") = "8"
    & skf18("7","3","6","1","6","10","1") = "9"
    & skf18("7","3","6","1","7","1","1") = "6"
    & skf18("7","3","6","1","7","2","1") = "6"
    & skf18("7","3","6","1","7","3","1") = "6"
    & skf18("7","3","6","1","7","4","1") = "6"
    & skf18("7","3","6","1","7","5","1") = "6"
    & skf18("7","3","6","1","7","6","1") = "6"
    & skf18("7","3","6","1","7","7","1") = "6"
    & skf18("7","3","6","1","7","8","1") = "7"
    & skf18("7","3","6","1","7","9","1") = "8"
    & skf18("7","3","6","1","7","10","1") = "9"
    & skf18("7","3","6","1","8","1","1") = "7"
    & skf18("7","3","6","1","8","2","1") = "7"
    & skf18("7","3","6","1","8","3","1") = "7"
    & skf18("7","3","6","1","8","4","1") = "7"
    & skf18("7","3","6","1","8","5","1") = "7"
    & skf18("7","3","6","1","8","6","1") = "7"
    & skf18("7","3","6","1","8","7","1") = "7"
    & skf18("7","3","6","1","8","8","1") = "7"
    & skf18("7","3","6","1","8","9","1") = "8"
    & skf18("7","3","6","1","8","10","1") = "9"
    & skf18("7","3","6","1","9","1","1") = "8"
    & skf18("7","3","6","1","9","2","1") = "8"
    & skf18("7","3","6","1","9","3","1") = "8"
    & skf18("7","3","6","1","9","4","1") = "8"
    & skf18("7","3","6","1","9","5","1") = "8"
    & skf18("7","3","6","1","9","6","1") = "8"
    & skf18("7","3","6","1","9","7","1") = "8"
    & skf18("7","3","6","1","9","8","1") = "8"
    & skf18("7","3","6","1","9","9","1") = "8"
    & skf18("7","3","6","1","9","10","1") = "9"
    & skf18("7","3","6","1","10","1","1") = "9"
    & skf18("7","3","6","1","10","2","1") = "9"
    & skf18("7","3","6","1","10","3","1") = "9"
    & skf18("7","3","6","1","10","4","1") = "9"
    & skf18("7","3","6","1","10","5","1") = "9"
    & skf18("7","3","6","1","10","6","1") = "9"
    & skf18("7","3","6","1","10","7","1") = "9"
    & skf18("7","3","6","1","10","8","1") = "9"
    & skf18("7","3","6","1","10","9","1") = "9"
    & skf18("7","3","6","1","10","10","1") = "9"
    & skf18("7","3","6","2","1","1","1") = "6"
    & skf18("7","3","6","2","1","2","1") = "6"
    & skf18("7","3","6","2","1","3","1") = "6"
    & skf18("7","3","6","2","1","4","1") = "6"
    & skf18("7","3","6","2","1","5","1") = "6"
    & skf18("7","3","6","2","1","6","1") = "6"
    & skf18("7","3","6","2","1","7","1") = "6"
    & skf18("7","3","6","2","1","8","1") = "7"
    & skf18("7","3","6","2","1","9","1") = "8"
    & skf18("7","3","6","2","1","10","1") = "9"
    & skf18("7","3","6","2","2","1","1") = "6"
    & skf18("7","3","6","2","2","2","1") = "6"
    & skf18("7","3","6","2","2","3","1") = "6"
    & skf18("7","3","6","2","2","4","1") = "6"
    & skf18("7","3","6","2","2","5","1") = "6"
    & skf18("7","3","6","2","2","6","1") = "6"
    & skf18("7","3","6","2","2","7","1") = "6"
    & skf18("7","3","6","2","2","8","1") = "7"
    & skf18("7","3","6","2","2","9","1") = "8"
    & skf18("7","3","6","2","2","10","1") = "9"
    & skf18("7","3","6","2","3","1","1") = "6"
    & skf18("7","3","6","2","3","2","1") = "6"
    & skf18("7","3","6","2","3","3","1") = "6"
    & skf18("7","3","6","2","3","4","1") = "6"
    & skf18("7","3","6","2","3","5","1") = "6"
    & skf18("7","3","6","2","3","6","1") = "6"
    & skf18("7","3","6","2","3","7","1") = "6"
    & skf18("7","3","6","2","3","8","1") = "7"
    & skf18("7","3","6","2","3","9","1") = "8"
    & skf18("7","3","6","2","3","10","1") = "9"
    & skf18("7","3","6","2","4","1","1") = "6"
    & skf18("7","3","6","2","4","2","1") = "6"
    & skf18("7","3","6","2","4","3","1") = "6"
    & skf18("7","3","6","2","4","4","1") = "6"
    & skf18("7","3","6","2","4","5","1") = "6"
    & skf18("7","3","6","2","4","6","1") = "6"
    & skf18("7","3","6","2","4","7","1") = "6"
    & skf18("7","3","6","2","4","8","1") = "7"
    & skf18("7","3","6","2","4","9","1") = "8"
    & skf18("7","3","6","2","4","10","1") = "9"
    & skf18("7","3","6","2","5","1","1") = "6"
    & skf18("7","3","6","2","5","2","1") = "6"
    & skf18("7","3","6","2","5","3","1") = "6"
    & skf18("7","3","6","2","5","4","1") = "6"
    & skf18("7","3","6","2","5","5","1") = "6"
    & skf18("7","3","6","2","5","6","1") = "6"
    & skf18("7","3","6","2","5","7","1") = "6"
    & skf18("7","3","6","2","5","8","1") = "7"
    & skf18("7","3","6","2","5","9","1") = "8"
    & skf18("7","3","6","2","5","10","1") = "9"
    & skf18("7","3","6","2","6","1","1") = "6"
    & skf18("7","3","6","2","6","2","1") = "6"
    & skf18("7","3","6","2","6","3","1") = "6"
    & skf18("7","3","6","2","6","4","1") = "6"
    & skf18("7","3","6","2","6","5","1") = "6"
    & skf18("7","3","6","2","6","6","1") = "6"
    & skf18("7","3","6","2","6","7","1") = "6"
    & skf18("7","3","6","2","6","8","1") = "7"
    & skf18("7","3","6","2","6","9","1") = "8"
    & skf18("7","3","6","2","6","10","1") = "9"
    & skf18("7","3","6","2","7","1","1") = "6"
    & skf18("7","3","6","2","7","2","1") = "6"
    & skf18("7","3","6","2","7","3","1") = "6"
    & skf18("7","3","6","2","7","4","1") = "6"
    & skf18("7","3","6","2","7","5","1") = "6"
    & skf18("7","3","6","2","7","6","1") = "6"
    & skf18("7","3","6","2","7","7","1") = "6"
    & skf18("7","3","6","2","7","8","1") = "7"
    & skf18("7","3","6","2","7","9","1") = "8"
    & skf18("7","3","6","2","7","10","1") = "9"
    & skf18("7","3","6","2","8","1","1") = "7"
    & skf18("7","3","6","2","8","2","1") = "7"
    & skf18("7","3","6","2","8","3","1") = "7"
    & skf18("7","3","6","2","8","4","1") = "7"
    & skf18("7","3","6","2","8","5","1") = "7"
    & skf18("7","3","6","2","8","6","1") = "7"
    & skf18("7","3","6","2","8","7","1") = "7"
    & skf18("7","3","6","2","8","8","1") = "7"
    & skf18("7","3","6","2","8","9","1") = "8"
    & skf18("7","3","6","2","8","10","1") = "9"
    & skf18("7","3","6","2","9","1","1") = "8"
    & skf18("7","3","6","2","9","2","1") = "8"
    & skf18("7","3","6","2","9","3","1") = "8"
    & skf18("7","3","6","2","9","4","1") = "8"
    & skf18("7","3","6","2","9","5","1") = "8"
    & skf18("7","3","6","2","9","6","1") = "8"
    & skf18("7","3","6","2","9","7","1") = "8"
    & skf18("7","3","6","2","9","8","1") = "8"
    & skf18("7","3","6","2","9","9","1") = "8"
    & skf18("7","3","6","2","9","10","1") = "9"
    & skf18("7","3","6","2","10","1","1") = "9"
    & skf18("7","3","6","2","10","2","1") = "9"
    & skf18("7","3","6","2","10","3","1") = "9"
    & skf18("7","3","6","2","10","4","1") = "9"
    & skf18("7","3","6","2","10","5","1") = "9"
    & skf18("7","3","6","2","10","6","1") = "9"
    & skf18("7","3","6","2","10","7","1") = "9"
    & skf18("7","3","6","2","10","8","1") = "9"
    & skf18("7","3","6","2","10","9","1") = "9"
    & skf18("7","3","6","2","10","10","1") = "9"
    & skf18("7","3","6","3","1","1","1") = "6"
    & skf18("7","3","6","3","1","2","1") = "6"
    & skf18("7","3","6","3","1","3","1") = "6"
    & skf18("7","3","6","3","1","4","1") = "6"
    & skf18("7","3","6","3","1","5","1") = "6"
    & skf18("7","3","6","3","1","6","1") = "6"
    & skf18("7","3","6","3","1","7","1") = "6"
    & skf18("7","3","6","3","1","8","1") = "7"
    & skf18("7","3","6","3","1","9","1") = "8"
    & skf18("7","3","6","3","1","10","1") = "9"
    & skf18("7","3","6","3","2","1","1") = "6"
    & skf18("7","3","6","3","2","2","1") = "6"
    & skf18("7","3","6","3","2","3","1") = "6"
    & skf18("7","3","6","3","2","4","1") = "6"
    & skf18("7","3","6","3","2","5","1") = "6"
    & skf18("7","3","6","3","2","6","1") = "6"
    & skf18("7","3","6","3","2","7","1") = "6"
    & skf18("7","3","6","3","2","8","1") = "7"
    & skf18("7","3","6","3","2","9","1") = "8"
    & skf18("7","3","6","3","2","10","1") = "9"
    & skf18("7","3","6","3","3","1","1") = "6"
    & skf18("7","3","6","3","3","2","1") = "6"
    & skf18("7","3","6","3","3","3","1") = "6"
    & skf18("7","3","6","3","3","4","1") = "6"
    & skf18("7","3","6","3","3","5","1") = "6"
    & skf18("7","3","6","3","3","6","1") = "6"
    & skf18("7","3","6","3","3","7","1") = "6"
    & skf18("7","3","6","3","3","8","1") = "7"
    & skf18("7","3","6","3","3","9","1") = "8"
    & skf18("7","3","6","3","3","10","1") = "9"
    & skf18("7","3","6","3","4","1","1") = "6"
    & skf18("7","3","6","3","4","2","1") = "6"
    & skf18("7","3","6","3","4","3","1") = "6"
    & skf18("7","3","6","3","4","4","1") = "6"
    & skf18("7","3","6","3","4","5","1") = "6"
    & skf18("7","3","6","3","4","6","1") = "6"
    & skf18("7","3","6","3","4","7","1") = "6"
    & skf18("7","3","6","3","4","8","1") = "7"
    & skf18("7","3","6","3","4","9","1") = "8"
    & skf18("7","3","6","3","4","10","1") = "9"
    & skf18("7","3","6","3","5","1","1") = "6"
    & skf18("7","3","6","3","5","2","1") = "6"
    & skf18("7","3","6","3","5","3","1") = "6"
    & skf18("7","3","6","3","5","4","1") = "6"
    & skf18("7","3","6","3","5","5","1") = "6"
    & skf18("7","3","6","3","5","6","1") = "6"
    & skf18("7","3","6","3","5","7","1") = "6"
    & skf18("7","3","6","3","5","8","1") = "7"
    & skf18("7","3","6","3","5","9","1") = "8"
    & skf18("7","3","6","3","5","10","1") = "9"
    & skf18("7","3","6","3","6","1","1") = "6"
    & skf18("7","3","6","3","6","2","1") = "6"
    & skf18("7","3","6","3","6","3","1") = "6"
    & skf18("7","3","6","3","6","4","1") = "6"
    & skf18("7","3","6","3","6","5","1") = "6"
    & skf18("7","3","6","3","6","6","1") = "6"
    & skf18("7","3","6","3","6","7","1") = "6"
    & skf18("7","3","6","3","6","8","1") = "7"
    & skf18("7","3","6","3","6","9","1") = "8"
    & skf18("7","3","6","3","6","10","1") = "9"
    & skf18("7","3","6","3","7","1","1") = "6"
    & skf18("7","3","6","3","7","2","1") = "6"
    & skf18("7","3","6","3","7","3","1") = "6"
    & skf18("7","3","6","3","7","4","1") = "6"
    & skf18("7","3","6","3","7","5","1") = "6"
    & skf18("7","3","6","3","7","6","1") = "6"
    & skf18("7","3","6","3","7","7","1") = "6"
    & skf18("7","3","6","3","7","8","1") = "7"
    & skf18("7","3","6","3","7","9","1") = "8"
    & skf18("7","3","6","3","7","10","1") = "9"
    & skf18("7","3","6","3","8","1","1") = "7"
    & skf18("7","3","6","3","8","2","1") = "7"
    & skf18("7","3","6","3","8","3","1") = "7"
    & skf18("7","3","6","3","8","4","1") = "7"
    & skf18("7","3","6","3","8","5","1") = "7"
    & skf18("7","3","6","3","8","6","1") = "7"
    & skf18("7","3","6","3","8","7","1") = "7"
    & skf18("7","3","6","3","8","8","1") = "7"
    & skf18("7","3","6","3","8","9","1") = "8"
    & skf18("7","3","6","3","8","10","1") = "9"
    & skf18("7","3","6","3","9","1","1") = "8"
    & skf18("7","3","6","3","9","2","1") = "8"
    & skf18("7","3","6","3","9","3","1") = "8"
    & skf18("7","3","6","3","9","4","1") = "8"
    & skf18("7","3","6","3","9","5","1") = "8"
    & skf18("7","3","6","3","9","6","1") = "8"
    & skf18("7","3","6","3","9","7","1") = "8"
    & skf18("7","3","6","3","9","8","1") = "8"
    & skf18("7","3","6","3","9","9","1") = "8"
    & skf18("7","3","6","3","9","10","1") = "9"
    & skf18("7","3","6","3","10","1","1") = "9"
    & skf18("7","3","6","3","10","2","1") = "9"
    & skf18("7","3","6","3","10","3","1") = "9"
    & skf18("7","3","6","3","10","4","1") = "9"
    & skf18("7","3","6","3","10","5","1") = "9"
    & skf18("7","3","6","3","10","6","1") = "9"
    & skf18("7","3","6","3","10","7","1") = "9"
    & skf18("7","3","6","3","10","8","1") = "9"
    & skf18("7","3","6","3","10","9","1") = "9"
    & skf18("7","3","6","3","10","10","1") = "9"
    & skf18("7","3","6","4","1","1","1") = "6"
    & skf18("7","3","6","4","1","2","1") = "6"
    & skf18("7","3","6","4","1","3","1") = "6"
    & skf18("7","3","6","4","1","4","1") = "6"
    & skf18("7","3","6","4","1","5","1") = "6"
    & skf18("7","3","6","4","1","6","1") = "6"
    & skf18("7","3","6","4","1","7","1") = "6"
    & skf18("7","3","6","4","1","8","1") = "7"
    & skf18("7","3","6","4","1","9","1") = "8"
    & skf18("7","3","6","4","1","10","1") = "9"
    & skf18("7","3","6","4","2","1","1") = "6"
    & skf18("7","3","6","4","2","2","1") = "6"
    & skf18("7","3","6","4","2","3","1") = "6"
    & skf18("7","3","6","4","2","4","1") = "6"
    & skf18("7","3","6","4","2","5","1") = "6"
    & skf18("7","3","6","4","2","6","1") = "6"
    & skf18("7","3","6","4","2","7","1") = "6"
    & skf18("7","3","6","4","2","8","1") = "7"
    & skf18("7","3","6","4","2","9","1") = "8"
    & skf18("7","3","6","4","2","10","1") = "9"
    & skf18("7","3","6","4","3","1","1") = "6"
    & skf18("7","3","6","4","3","2","1") = "6"
    & skf18("7","3","6","4","3","3","1") = "6"
    & skf18("7","3","6","4","3","4","1") = "6"
    & skf18("7","3","6","4","3","5","1") = "6"
    & skf18("7","3","6","4","3","6","1") = "6"
    & skf18("7","3","6","4","3","7","1") = "6"
    & skf18("7","3","6","4","3","8","1") = "7"
    & skf18("7","3","6","4","3","9","1") = "8"
    & skf18("7","3","6","4","3","10","1") = "9"
    & skf18("7","3","6","4","4","1","1") = "6"
    & skf18("7","3","6","4","4","2","1") = "6"
    & skf18("7","3","6","4","4","3","1") = "6"
    & skf18("7","3","6","4","4","4","1") = "6"
    & skf18("7","3","6","4","4","5","1") = "6"
    & skf18("7","3","6","4","4","6","1") = "6"
    & skf18("7","3","6","4","4","7","1") = "6"
    & skf18("7","3","6","4","4","8","1") = "7"
    & skf18("7","3","6","4","4","9","1") = "8"
    & skf18("7","3","6","4","4","10","1") = "9"
    & skf18("7","3","6","4","5","1","1") = "6"
    & skf18("7","3","6","4","5","2","1") = "6"
    & skf18("7","3","6","4","5","3","1") = "6"
    & skf18("7","3","6","4","5","4","1") = "6"
    & skf18("7","3","6","4","5","5","1") = "6"
    & skf18("7","3","6","4","5","6","1") = "6"
    & skf18("7","3","6","4","5","7","1") = "6"
    & skf18("7","3","6","4","5","8","1") = "7"
    & skf18("7","3","6","4","5","9","1") = "8"
    & skf18("7","3","6","4","5","10","1") = "9"
    & skf18("7","3","6","4","6","1","1") = "6"
    & skf18("7","3","6","4","6","2","1") = "6"
    & skf18("7","3","6","4","6","3","1") = "6"
    & skf18("7","3","6","4","6","4","1") = "6"
    & skf18("7","3","6","4","6","5","1") = "6"
    & skf18("7","3","6","4","6","6","1") = "6"
    & skf18("7","3","6","4","6","7","1") = "6"
    & skf18("7","3","6","4","6","8","1") = "7"
    & skf18("7","3","6","4","6","9","1") = "8"
    & skf18("7","3","6","4","6","10","1") = "9"
    & skf18("7","3","6","4","7","1","1") = "6"
    & skf18("7","3","6","4","7","2","1") = "6"
    & skf18("7","3","6","4","7","3","1") = "6"
    & skf18("7","3","6","4","7","4","1") = "6"
    & skf18("7","3","6","4","7","5","1") = "6"
    & skf18("7","3","6","4","7","6","1") = "6"
    & skf18("7","3","6","4","7","7","1") = "6"
    & skf18("7","3","6","4","7","8","1") = "7"
    & skf18("7","3","6","4","7","9","1") = "8"
    & skf18("7","3","6","4","7","10","1") = "9"
    & skf18("7","3","6","4","8","1","1") = "7"
    & skf18("7","3","6","4","8","2","1") = "7"
    & skf18("7","3","6","4","8","3","1") = "7"
    & skf18("7","3","6","4","8","4","1") = "7"
    & skf18("7","3","6","4","8","5","1") = "7"
    & skf18("7","3","6","4","8","6","1") = "7"
    & skf18("7","3","6","4","8","7","1") = "7"
    & skf18("7","3","6","4","8","8","1") = "7"
    & skf18("7","3","6","4","8","9","1") = "8"
    & skf18("7","3","6","4","8","10","1") = "9"
    & skf18("7","3","6","4","9","1","1") = "8"
    & skf18("7","3","6","4","9","2","1") = "8"
    & skf18("7","3","6","4","9","3","1") = "8"
    & skf18("7","3","6","4","9","4","1") = "8"
    & skf18("7","3","6","4","9","5","1") = "8"
    & skf18("7","3","6","4","9","6","1") = "8"
    & skf18("7","3","6","4","9","7","1") = "8"
    & skf18("7","3","6","4","9","8","1") = "8"
    & skf18("7","3","6","4","9","9","1") = "8"
    & skf18("7","3","6","4","9","10","1") = "9"
    & skf18("7","3","6","4","10","1","1") = "9"
    & skf18("7","3","6","4","10","2","1") = "9"
    & skf18("7","3","6","4","10","3","1") = "9"
    & skf18("7","3","6","4","10","4","1") = "9"
    & skf18("7","3","6","4","10","5","1") = "9"
    & skf18("7","3","6","4","10","6","1") = "9"
    & skf18("7","3","6","4","10","7","1") = "9"
    & skf18("7","3","6","4","10","8","1") = "9"
    & skf18("7","3","6","4","10","9","1") = "9"
    & skf18("7","3","6","4","10","10","1") = "9"
    & skf18("7","3","6","5","1","1","1") = "6"
    & skf18("7","3","6","5","1","2","1") = "6"
    & skf18("7","3","6","5","1","3","1") = "6"
    & skf18("7","3","6","5","1","4","1") = "6"
    & skf18("7","3","6","5","1","5","1") = "6"
    & skf18("7","3","6","5","1","6","1") = "6"
    & skf18("7","3","6","5","1","7","1") = "6"
    & skf18("7","3","6","5","1","8","1") = "7"
    & skf18("7","3","6","5","1","9","1") = "8"
    & skf18("7","3","6","5","1","10","1") = "9"
    & skf18("7","3","6","5","2","1","1") = "6"
    & skf18("7","3","6","5","2","2","1") = "6"
    & skf18("7","3","6","5","2","3","1") = "6"
    & skf18("7","3","6","5","2","4","1") = "6"
    & skf18("7","3","6","5","2","5","1") = "6"
    & skf18("7","3","6","5","2","6","1") = "6"
    & skf18("7","3","6","5","2","7","1") = "6"
    & skf18("7","3","6","5","2","8","1") = "7"
    & skf18("7","3","6","5","2","9","1") = "8"
    & skf18("7","3","6","5","2","10","1") = "9"
    & skf18("7","3","6","5","3","1","1") = "6"
    & skf18("7","3","6","5","3","2","1") = "6"
    & skf18("7","3","6","5","3","3","1") = "6"
    & skf18("7","3","6","5","3","4","1") = "6"
    & skf18("7","3","6","5","3","5","1") = "6"
    & skf18("7","3","6","5","3","6","1") = "6"
    & skf18("7","3","6","5","3","7","1") = "6"
    & skf18("7","3","6","5","3","8","1") = "7"
    & skf18("7","3","6","5","3","9","1") = "8"
    & skf18("7","3","6","5","3","10","1") = "9"
    & skf18("7","3","6","5","4","1","1") = "6"
    & skf18("7","3","6","5","4","2","1") = "6"
    & skf18("7","3","6","5","4","3","1") = "6"
    & skf18("7","3","6","5","4","4","1") = "6"
    & skf18("7","3","6","5","4","5","1") = "6"
    & skf18("7","3","6","5","4","6","1") = "6"
    & skf18("7","3","6","5","4","7","1") = "6"
    & skf18("7","3","6","5","4","8","1") = "7"
    & skf18("7","3","6","5","4","9","1") = "8"
    & skf18("7","3","6","5","4","10","1") = "9"
    & skf18("7","3","6","5","5","1","1") = "6"
    & skf18("7","3","6","5","5","2","1") = "6"
    & skf18("7","3","6","5","5","3","1") = "6"
    & skf18("7","3","6","5","5","4","1") = "6"
    & skf18("7","3","6","5","5","5","1") = "6"
    & skf18("7","3","6","5","5","6","1") = "6"
    & skf18("7","3","6","5","5","7","1") = "6"
    & skf18("7","3","6","5","5","8","1") = "7"
    & skf18("7","3","6","5","5","9","1") = "8"
    & skf18("7","3","6","5","5","10","1") = "9"
    & skf18("7","3","6","5","6","1","1") = "6"
    & skf18("7","3","6","5","6","2","1") = "6"
    & skf18("7","3","6","5","6","3","1") = "6"
    & skf18("7","3","6","5","6","4","1") = "6"
    & skf18("7","3","6","5","6","5","1") = "6"
    & skf18("7","3","6","5","6","6","1") = "6"
    & skf18("7","3","6","5","6","7","1") = "6"
    & skf18("7","3","6","5","6","8","1") = "7"
    & skf18("7","3","6","5","6","9","1") = "8"
    & skf18("7","3","6","5","6","10","1") = "9"
    & skf18("7","3","6","5","7","1","1") = "6"
    & skf18("7","3","6","5","7","2","1") = "6"
    & skf18("7","3","6","5","7","3","1") = "6"
    & skf18("7","3","6","5","7","4","1") = "6"
    & skf18("7","3","6","5","7","5","1") = "6"
    & skf18("7","3","6","5","7","6","1") = "6"
    & skf18("7","3","6","5","7","7","1") = "6"
    & skf18("7","3","6","5","7","8","1") = "7"
    & skf18("7","3","6","5","7","9","1") = "8"
    & skf18("7","3","6","5","7","10","1") = "9"
    & skf18("7","3","6","5","8","1","1") = "7"
    & skf18("7","3","6","5","8","2","1") = "7"
    & skf18("7","3","6","5","8","3","1") = "7"
    & skf18("7","3","6","5","8","4","1") = "7"
    & skf18("7","3","6","5","8","5","1") = "7"
    & skf18("7","3","6","5","8","6","1") = "7"
    & skf18("7","3","6","5","8","7","1") = "7"
    & skf18("7","3","6","5","8","8","1") = "7"
    & skf18("7","3","6","5","8","9","1") = "8"
    & skf18("7","3","6","5","8","10","1") = "9"
    & skf18("7","3","6","5","9","1","1") = "8"
    & skf18("7","3","6","5","9","2","1") = "8"
    & skf18("7","3","6","5","9","3","1") = "8"
    & skf18("7","3","6","5","9","4","1") = "8"
    & skf18("7","3","6","5","9","5","1") = "8"
    & skf18("7","3","6","5","9","6","1") = "8"
    & skf18("7","3","6","5","9","7","1") = "8"
    & skf18("7","3","6","5","9","8","1") = "8"
    & skf18("7","3","6","5","9","9","1") = "8"
    & skf18("7","3","6","5","9","10","1") = "9"
    & skf18("7","3","6","5","10","1","1") = "9"
    & skf18("7","3","6","5","10","2","1") = "9"
    & skf18("7","3","6","5","10","3","1") = "9"
    & skf18("7","3","6","5","10","4","1") = "9"
    & skf18("7","3","6","5","10","5","1") = "9"
    & skf18("7","3","6","5","10","6","1") = "9"
    & skf18("7","3","6","5","10","7","1") = "9"
    & skf18("7","3","6","5","10","8","1") = "9"
    & skf18("7","3","6","5","10","9","1") = "9"
    & skf18("7","3","6","5","10","10","1") = "9"
    & skf18("7","3","6","6","1","1","1") = "6"
    & skf18("7","3","6","6","1","2","1") = "6"
    & skf18("7","3","6","6","1","3","1") = "6"
    & skf18("7","3","6","6","1","4","1") = "6"
    & skf18("7","3","6","6","1","5","1") = "6"
    & skf18("7","3","6","6","1","6","1") = "6"
    & skf18("7","3","6","6","1","7","1") = "6"
    & skf18("7","3","6","6","1","8","1") = "7"
    & skf18("7","3","6","6","1","9","1") = "8"
    & skf18("7","3","6","6","1","10","1") = "9"
    & skf18("7","3","6","6","2","1","1") = "6"
    & skf18("7","3","6","6","2","2","1") = "6"
    & skf18("7","3","6","6","2","3","1") = "6"
    & skf18("7","3","6","6","2","4","1") = "6"
    & skf18("7","3","6","6","2","5","1") = "6"
    & skf18("7","3","6","6","2","6","1") = "6"
    & skf18("7","3","6","6","2","7","1") = "6"
    & skf18("7","3","6","6","2","8","1") = "7"
    & skf18("7","3","6","6","2","9","1") = "8"
    & skf18("7","3","6","6","2","10","1") = "9"
    & skf18("7","3","6","6","3","1","1") = "6"
    & skf18("7","3","6","6","3","2","1") = "6"
    & skf18("7","3","6","6","3","3","1") = "6"
    & skf18("7","3","6","6","3","4","1") = "6"
    & skf18("7","3","6","6","3","5","1") = "6"
    & skf18("7","3","6","6","3","6","1") = "6"
    & skf18("7","3","6","6","3","7","1") = "6"
    & skf18("7","3","6","6","3","8","1") = "7"
    & skf18("7","3","6","6","3","9","1") = "8"
    & skf18("7","3","6","6","3","10","1") = "9"
    & skf18("7","3","6","6","4","1","1") = "6"
    & skf18("7","3","6","6","4","2","1") = "6"
    & skf18("7","3","6","6","4","3","1") = "6"
    & skf18("7","3","6","6","4","4","1") = "6"
    & skf18("7","3","6","6","4","5","1") = "6"
    & skf18("7","3","6","6","4","6","1") = "6"
    & skf18("7","3","6","6","4","7","1") = "6"
    & skf18("7","3","6","6","4","8","1") = "7"
    & skf18("7","3","6","6","4","9","1") = "8"
    & skf18("7","3","6","6","4","10","1") = "9"
    & skf18("7","3","6","6","5","1","1") = "6"
    & skf18("7","3","6","6","5","2","1") = "6"
    & skf18("7","3","6","6","5","3","1") = "6"
    & skf18("7","3","6","6","5","4","1") = "6"
    & skf18("7","3","6","6","5","5","1") = "6"
    & skf18("7","3","6","6","5","6","1") = "6"
    & skf18("7","3","6","6","5","7","1") = "6"
    & skf18("7","3","6","6","5","8","1") = "7"
    & skf18("7","3","6","6","5","9","1") = "8"
    & skf18("7","3","6","6","5","10","1") = "9"
    & skf18("7","3","6","6","6","1","1") = "6"
    & skf18("7","3","6","6","6","2","1") = "6"
    & skf18("7","3","6","6","6","3","1") = "6"
    & skf18("7","3","6","6","6","4","1") = "6"
    & skf18("7","3","6","6","6","5","1") = "6"
    & skf18("7","3","6","6","6","6","1") = "6"
    & skf18("7","3","6","6","6","7","1") = "6"
    & skf18("7","3","6","6","6","8","1") = "7"
    & skf18("7","3","6","6","6","9","1") = "8"
    & skf18("7","3","6","6","6","10","1") = "9"
    & skf18("7","3","6","6","7","1","1") = "6"
    & skf18("7","3","6","6","7","2","1") = "6"
    & skf18("7","3","6","6","7","3","1") = "6"
    & skf18("7","3","6","6","7","4","1") = "6"
    & skf18("7","3","6","6","7","5","1") = "6"
    & skf18("7","3","6","6","7","6","1") = "6"
    & skf18("7","3","6","6","7","7","1") = "6"
    & skf18("7","3","6","6","7","8","1") = "7"
    & skf18("7","3","6","6","7","9","1") = "8"
    & skf18("7","3","6","6","7","10","1") = "9"
    & skf18("7","3","6","6","8","1","1") = "7"
    & skf18("7","3","6","6","8","2","1") = "7"
    & skf18("7","3","6","6","8","3","1") = "7"
    & skf18("7","3","6","6","8","4","1") = "7"
    & skf18("7","3","6","6","8","5","1") = "7"
    & skf18("7","3","6","6","8","6","1") = "7"
    & skf18("7","3","6","6","8","7","1") = "7"
    & skf18("7","3","6","6","8","8","1") = "7"
    & skf18("7","3","6","6","8","9","1") = "8"
    & skf18("7","3","6","6","8","10","1") = "9"
    & skf18("7","3","6","6","9","1","1") = "8"
    & skf18("7","3","6","6","9","2","1") = "8"
    & skf18("7","3","6","6","9","3","1") = "8"
    & skf18("7","3","6","6","9","4","1") = "8"
    & skf18("7","3","6","6","9","5","1") = "8"
    & skf18("7","3","6","6","9","6","1") = "8"
    & skf18("7","3","6","6","9","7","1") = "8"
    & skf18("7","3","6","6","9","8","1") = "8"
    & skf18("7","3","6","6","9","9","1") = "8"
    & skf18("7","3","6","6","9","10","1") = "9"
    & skf18("7","3","6","6","10","1","1") = "9"
    & skf18("7","3","6","6","10","2","1") = "9"
    & skf18("7","3","6","6","10","3","1") = "9"
    & skf18("7","3","6","6","10","4","1") = "9"
    & skf18("7","3","6","6","10","5","1") = "9"
    & skf18("7","3","6","6","10","6","1") = "9"
    & skf18("7","3","6","6","10","7","1") = "9"
    & skf18("7","3","6","6","10","8","1") = "9"
    & skf18("7","3","6","6","10","9","1") = "9"
    & skf18("7","3","6","6","10","10","1") = "9"
    & skf18("7","3","6","7","1","1","1") = "6"
    & skf18("7","3","6","7","1","2","1") = "6"
    & skf18("7","3","6","7","1","3","1") = "6"
    & skf18("7","3","6","7","1","4","1") = "6"
    & skf18("7","3","6","7","1","5","1") = "6"
    & skf18("7","3","6","7","1","6","1") = "6"
    & skf18("7","3","6","7","1","7","1") = "6"
    & skf18("7","3","6","7","1","8","1") = "7"
    & skf18("7","3","6","7","1","9","1") = "8"
    & skf18("7","3","6","7","1","10","1") = "9"
    & skf18("7","3","6","7","2","1","1") = "6"
    & skf18("7","3","6","7","2","2","1") = "6"
    & skf18("7","3","6","7","2","3","1") = "6"
    & skf18("7","3","6","7","2","4","1") = "6"
    & skf18("7","3","6","7","2","5","1") = "6"
    & skf18("7","3","6","7","2","6","1") = "6"
    & skf18("7","3","6","7","2","7","1") = "6"
    & skf18("7","3","6","7","2","8","1") = "7"
    & skf18("7","3","6","7","2","9","1") = "8"
    & skf18("7","3","6","7","2","10","1") = "9"
    & skf18("7","3","6","7","3","1","1") = "6"
    & skf18("7","3","6","7","3","2","1") = "6"
    & skf18("7","3","6","7","3","3","1") = "6"
    & skf18("7","3","6","7","3","4","1") = "6"
    & skf18("7","3","6","7","3","5","1") = "6"
    & skf18("7","3","6","7","3","6","1") = "6"
    & skf18("7","3","6","7","3","7","1") = "6"
    & skf18("7","3","6","7","3","8","1") = "7"
    & skf18("7","3","6","7","3","9","1") = "8"
    & skf18("7","3","6","7","3","10","1") = "9"
    & skf18("7","3","6","7","4","1","1") = "6"
    & skf18("7","3","6","7","4","2","1") = "6"
    & skf18("7","3","6","7","4","3","1") = "6"
    & skf18("7","3","6","7","4","4","1") = "6"
    & skf18("7","3","6","7","4","5","1") = "6"
    & skf18("7","3","6","7","4","6","1") = "6"
    & skf18("7","3","6","7","4","7","1") = "6"
    & skf18("7","3","6","7","4","8","1") = "7"
    & skf18("7","3","6","7","4","9","1") = "8"
    & skf18("7","3","6","7","4","10","1") = "9"
    & skf18("7","3","6","7","5","1","1") = "6"
    & skf18("7","3","6","7","5","2","1") = "6"
    & skf18("7","3","6","7","5","3","1") = "6"
    & skf18("7","3","6","7","5","4","1") = "6"
    & skf18("7","3","6","7","5","5","1") = "6"
    & skf18("7","3","6","7","5","6","1") = "6"
    & skf18("7","3","6","7","5","7","1") = "6"
    & skf18("7","3","6","7","5","8","1") = "7"
    & skf18("7","3","6","7","5","9","1") = "8"
    & skf18("7","3","6","7","5","10","1") = "9"
    & skf18("7","3","6","7","6","1","1") = "6"
    & skf18("7","3","6","7","6","2","1") = "6"
    & skf18("7","3","6","7","6","3","1") = "6"
    & skf18("7","3","6","7","6","4","1") = "6"
    & skf18("7","3","6","7","6","5","1") = "6"
    & skf18("7","3","6","7","6","6","1") = "6"
    & skf18("7","3","6","7","6","7","1") = "6"
    & skf18("7","3","6","7","6","8","1") = "7"
    & skf18("7","3","6","7","6","9","1") = "8"
    & skf18("7","3","6","7","6","10","1") = "9"
    & skf18("7","3","6","7","7","1","1") = "6"
    & skf18("7","3","6","7","7","2","1") = "6"
    & skf18("7","3","6","7","7","3","1") = "6"
    & skf18("7","3","6","7","7","4","1") = "6"
    & skf18("7","3","6","7","7","5","1") = "6"
    & skf18("7","3","6","7","7","6","1") = "6"
    & skf18("7","3","6","7","7","7","1") = "6"
    & skf18("7","3","6","7","7","8","1") = "7"
    & skf18("7","3","6","7","7","9","1") = "8"
    & skf18("7","3","6","7","7","10","1") = "9"
    & skf18("7","3","6","7","8","1","1") = "7"
    & skf18("7","3","6","7","8","2","1") = "7"
    & skf18("7","3","6","7","8","3","1") = "7"
    & skf18("7","3","6","7","8","4","1") = "7"
    & skf18("7","3","6","7","8","5","1") = "7"
    & skf18("7","3","6","7","8","6","1") = "7"
    & skf18("7","3","6","7","8","7","1") = "7"
    & skf18("7","3","6","7","8","8","1") = "7"
    & skf18("7","3","6","7","8","9","1") = "8"
    & skf18("7","3","6","7","8","10","1") = "9"
    & skf18("7","3","6","7","9","1","1") = "8"
    & skf18("7","3","6","7","9","2","1") = "8"
    & skf18("7","3","6","7","9","3","1") = "8"
    & skf18("7","3","6","7","9","4","1") = "8"
    & skf18("7","3","6","7","9","5","1") = "8"
    & skf18("7","3","6","7","9","6","1") = "8"
    & skf18("7","3","6","7","9","7","1") = "8"
    & skf18("7","3","6","7","9","8","1") = "8"
    & skf18("7","3","6","7","9","9","1") = "8"
    & skf18("7","3","6","7","9","10","1") = "9"
    & skf18("7","3","6","7","10","1","1") = "9"
    & skf18("7","3","6","7","10","2","1") = "9"
    & skf18("7","3","6","7","10","3","1") = "9"
    & skf18("7","3","6","7","10","4","1") = "9"
    & skf18("7","3","6","7","10","5","1") = "9"
    & skf18("7","3","6","7","10","6","1") = "9"
    & skf18("7","3","6","7","10","7","1") = "9"
    & skf18("7","3","6","7","10","8","1") = "9"
    & skf18("7","3","6","7","10","9","1") = "9"
    & skf18("7","3","6","7","10","10","1") = "9"
    & skf18("7","3","6","8","1","1","1") = "7"
    & skf18("7","3","6","8","1","2","1") = "7"
    & skf18("7","3","6","8","1","3","1") = "7"
    & skf18("7","3","6","8","1","4","1") = "7"
    & skf18("7","3","6","8","1","5","1") = "7"
    & skf18("7","3","6","8","1","6","1") = "7"
    & skf18("7","3","6","8","1","7","1") = "7"
    & skf18("7","3","6","8","1","8","1") = "7"
    & skf18("7","3","6","8","1","9","1") = "8"
    & skf18("7","3","6","8","1","10","1") = "9"
    & skf18("7","3","6","8","2","1","1") = "7"
    & skf18("7","3","6","8","2","2","1") = "7"
    & skf18("7","3","6","8","2","3","1") = "7"
    & skf18("7","3","6","8","2","4","1") = "7"
    & skf18("7","3","6","8","2","5","1") = "7"
    & skf18("7","3","6","8","2","6","1") = "7"
    & skf18("7","3","6","8","2","7","1") = "7"
    & skf18("7","3","6","8","2","8","1") = "7"
    & skf18("7","3","6","8","2","9","1") = "8"
    & skf18("7","3","6","8","2","10","1") = "9"
    & skf18("7","3","6","8","3","1","1") = "7"
    & skf18("7","3","6","8","3","2","1") = "7"
    & skf18("7","3","6","8","3","3","1") = "7"
    & skf18("7","3","6","8","3","4","1") = "7"
    & skf18("7","3","6","8","3","5","1") = "7"
    & skf18("7","3","6","8","3","6","1") = "7"
    & skf18("7","3","6","8","3","7","1") = "7"
    & skf18("7","3","6","8","3","8","1") = "7"
    & skf18("7","3","6","8","3","9","1") = "8"
    & skf18("7","3","6","8","3","10","1") = "9"
    & skf18("7","3","6","8","4","1","1") = "7"
    & skf18("7","3","6","8","4","2","1") = "7"
    & skf18("7","3","6","8","4","3","1") = "7"
    & skf18("7","3","6","8","4","4","1") = "7"
    & skf18("7","3","6","8","4","5","1") = "7"
    & skf18("7","3","6","8","4","6","1") = "7"
    & skf18("7","3","6","8","4","7","1") = "7"
    & skf18("7","3","6","8","4","8","1") = "7"
    & skf18("7","3","6","8","4","9","1") = "8"
    & skf18("7","3","6","8","4","10","1") = "9"
    & skf18("7","3","6","8","5","1","1") = "7"
    & skf18("7","3","6","8","5","2","1") = "7"
    & skf18("7","3","6","8","5","3","1") = "7"
    & skf18("7","3","6","8","5","4","1") = "7"
    & skf18("7","3","6","8","5","5","1") = "7"
    & skf18("7","3","6","8","5","6","1") = "7"
    & skf18("7","3","6","8","5","7","1") = "7"
    & skf18("7","3","6","8","5","8","1") = "7"
    & skf18("7","3","6","8","5","9","1") = "8"
    & skf18("7","3","6","8","5","10","1") = "9"
    & skf18("7","3","6","8","6","1","1") = "7"
    & skf18("7","3","6","8","6","2","1") = "7"
    & skf18("7","3","6","8","6","3","1") = "7"
    & skf18("7","3","6","8","6","4","1") = "7"
    & skf18("7","3","6","8","6","5","1") = "7"
    & skf18("7","3","6","8","6","6","1") = "7"
    & skf18("7","3","6","8","6","7","1") = "7"
    & skf18("7","3","6","8","6","8","1") = "7"
    & skf18("7","3","6","8","6","9","1") = "8"
    & skf18("7","3","6","8","6","10","1") = "9"
    & skf18("7","3","6","8","7","1","1") = "7"
    & skf18("7","3","6","8","7","2","1") = "7"
    & skf18("7","3","6","8","7","3","1") = "7"
    & skf18("7","3","6","8","7","4","1") = "7"
    & skf18("7","3","6","8","7","5","1") = "7"
    & skf18("7","3","6","8","7","6","1") = "7"
    & skf18("7","3","6","8","7","7","1") = "7"
    & skf18("7","3","6","8","7","8","1") = "7"
    & skf18("7","3","6","8","7","9","1") = "8"
    & skf18("7","3","6","8","7","10","1") = "9"
    & skf18("7","3","6","8","8","1","1") = "7"
    & skf18("7","3","6","8","8","2","1") = "7"
    & skf18("7","3","6","8","8","3","1") = "7"
    & skf18("7","3","6","8","8","4","1") = "7"
    & skf18("7","3","6","8","8","5","1") = "7"
    & skf18("7","3","6","8","8","6","1") = "7"
    & skf18("7","3","6","8","8","7","1") = "7"
    & skf18("7","3","6","8","8","8","1") = "7"
    & skf18("7","3","6","8","8","9","1") = "8"
    & skf18("7","3","6","8","8","10","1") = "9"
    & skf18("7","3","6","8","9","1","1") = "8"
    & skf18("7","3","6","8","9","2","1") = "8"
    & skf18("7","3","6","8","9","3","1") = "8"
    & skf18("7","3","6","8","9","4","1") = "8"
    & skf18("7","3","6","8","9","5","1") = "8"
    & skf18("7","3","6","8","9","6","1") = "8"
    & skf18("7","3","6","8","9","7","1") = "8"
    & skf18("7","3","6","8","9","8","1") = "8"
    & skf18("7","3","6","8","9","9","1") = "8"
    & skf18("7","3","6","8","9","10","1") = "9"
    & skf18("7","3","6","8","10","1","1") = "9"
    & skf18("7","3","6","8","10","2","1") = "9"
    & skf18("7","3","6","8","10","3","1") = "9"
    & skf18("7","3","6","8","10","4","1") = "9"
    & skf18("7","3","6","8","10","5","1") = "9"
    & skf18("7","3","6","8","10","6","1") = "9"
    & skf18("7","3","6","8","10","7","1") = "9"
    & skf18("7","3","6","8","10","8","1") = "9"
    & skf18("7","3","6","8","10","9","1") = "9"
    & skf18("7","3","6","8","10","10","1") = "9"
    & skf18("7","3","6","9","1","1","1") = "8"
    & skf18("7","3","6","9","1","2","1") = "8"
    & skf18("7","3","6","9","1","3","1") = "8"
    & skf18("7","3","6","9","1","4","1") = "8"
    & skf18("7","3","6","9","1","5","1") = "8"
    & skf18("7","3","6","9","1","6","1") = "8"
    & skf18("7","3","6","9","1","7","1") = "8"
    & skf18("7","3","6","9","1","8","1") = "8"
    & skf18("7","3","6","9","1","9","1") = "8"
    & skf18("7","3","6","9","1","10","1") = "9"
    & skf18("7","3","6","9","2","1","1") = "8"
    & skf18("7","3","6","9","2","2","1") = "8"
    & skf18("7","3","6","9","2","3","1") = "8"
    & skf18("7","3","6","9","2","4","1") = "8"
    & skf18("7","3","6","9","2","5","1") = "8"
    & skf18("7","3","6","9","2","6","1") = "8"
    & skf18("7","3","6","9","2","7","1") = "8"
    & skf18("7","3","6","9","2","8","1") = "8"
    & skf18("7","3","6","9","2","9","1") = "8"
    & skf18("7","3","6","9","2","10","1") = "9"
    & skf18("7","3","6","9","3","1","1") = "8"
    & skf18("7","3","6","9","3","2","1") = "8"
    & skf18("7","3","6","9","3","3","1") = "8"
    & skf18("7","3","6","9","3","4","1") = "8"
    & skf18("7","3","6","9","3","5","1") = "8"
    & skf18("7","3","6","9","3","6","1") = "8"
    & skf18("7","3","6","9","3","7","1") = "8"
    & skf18("7","3","6","9","3","8","1") = "8"
    & skf18("7","3","6","9","3","9","1") = "8"
    & skf18("7","3","6","9","3","10","1") = "9"
    & skf18("7","3","6","9","4","1","1") = "8"
    & skf18("7","3","6","9","4","2","1") = "8"
    & skf18("7","3","6","9","4","3","1") = "8"
    & skf18("7","3","6","9","4","4","1") = "8"
    & skf18("7","3","6","9","4","5","1") = "8"
    & skf18("7","3","6","9","4","6","1") = "8"
    & skf18("7","3","6","9","4","7","1") = "8"
    & skf18("7","3","6","9","4","8","1") = "8"
    & skf18("7","3","6","9","4","9","1") = "8"
    & skf18("7","3","6","9","4","10","1") = "9"
    & skf18("7","3","6","9","5","1","1") = "8"
    & skf18("7","3","6","9","5","2","1") = "8"
    & skf18("7","3","6","9","5","3","1") = "8"
    & skf18("7","3","6","9","5","4","1") = "8"
    & skf18("7","3","6","9","5","5","1") = "8"
    & skf18("7","3","6","9","5","6","1") = "8"
    & skf18("7","3","6","9","5","7","1") = "8"
    & skf18("7","3","6","9","5","8","1") = "8"
    & skf18("7","3","6","9","5","9","1") = "8"
    & skf18("7","3","6","9","5","10","1") = "9"
    & skf18("7","3","6","9","6","1","1") = "8"
    & skf18("7","3","6","9","6","2","1") = "8"
    & skf18("7","3","6","9","6","3","1") = "8"
    & skf18("7","3","6","9","6","4","1") = "8"
    & skf18("7","3","6","9","6","5","1") = "8"
    & skf18("7","3","6","9","6","6","1") = "8"
    & skf18("7","3","6","9","6","7","1") = "8"
    & skf18("7","3","6","9","6","8","1") = "8"
    & skf18("7","3","6","9","6","9","1") = "8"
    & skf18("7","3","6","9","6","10","1") = "9"
    & skf18("7","3","6","9","7","1","1") = "8"
    & skf18("7","3","6","9","7","2","1") = "8"
    & skf18("7","3","6","9","7","3","1") = "8"
    & skf18("7","3","6","9","7","4","1") = "8"
    & skf18("7","3","6","9","7","5","1") = "8"
    & skf18("7","3","6","9","7","6","1") = "8"
    & skf18("7","3","6","9","7","7","1") = "8"
    & skf18("7","3","6","9","7","8","1") = "8"
    & skf18("7","3","6","9","7","9","1") = "8"
    & skf18("7","3","6","9","7","10","1") = "9"
    & skf18("7","3","6","9","8","1","1") = "8"
    & skf18("7","3","6","9","8","2","1") = "8"
    & skf18("7","3","6","9","8","3","1") = "8"
    & skf18("7","3","6","9","8","4","1") = "8"
    & skf18("7","3","6","9","8","5","1") = "8"
    & skf18("7","3","6","9","8","6","1") = "8"
    & skf18("7","3","6","9","8","7","1") = "8"
    & skf18("7","3","6","9","8","8","1") = "8"
    & skf18("7","3","6","9","8","9","1") = "8"
    & skf18("7","3","6","9","8","10","1") = "9"
    & skf18("7","3","6","9","9","1","1") = "8"
    & skf18("7","3","6","9","9","2","1") = "8"
    & skf18("7","3","6","9","9","3","1") = "8"
    & skf18("7","3","6","9","9","4","1") = "8"
    & skf18("7","3","6","9","9","5","1") = "8"
    & skf18("7","3","6","9","9","6","1") = "8"
    & skf18("7","3","6","9","9","7","1") = "8"
    & skf18("7","3","6","9","9","8","1") = "8"
    & skf18("7","3","6","9","9","9","1") = "8"
    & skf18("7","3","6","9","9","10","1") = "9"
    & skf18("7","3","6","9","10","1","1") = "9"
    & skf18("7","3","6","9","10","2","1") = "9"
    & skf18("7","3","6","9","10","3","1") = "9"
    & skf18("7","3","6","9","10","4","1") = "9"
    & skf18("7","3","6","9","10","5","1") = "9"
    & skf18("7","3","6","9","10","6","1") = "9"
    & skf18("7","3","6","9","10","7","1") = "9"
    & skf18("7","3","6","9","10","8","1") = "9"
    & skf18("7","3","6","9","10","9","1") = "9"
    & skf18("7","3","6","9","10","10","1") = "9"
    & skf18("7","3","6","10","1","1","1") = "9"
    & skf18("7","3","6","10","1","2","1") = "9"
    & skf18("7","3","6","10","1","3","1") = "9"
    & skf18("7","3","6","10","1","4","1") = "9"
    & skf18("7","3","6","10","1","5","1") = "9"
    & skf18("7","3","6","10","1","6","1") = "9"
    & skf18("7","3","6","10","1","7","1") = "9"
    & skf18("7","3","6","10","1","8","1") = "9"
    & skf18("7","3","6","10","1","9","1") = "9"
    & skf18("7","3","6","10","1","10","1") = "9"
    & skf18("7","3","6","10","2","1","1") = "9"
    & skf18("7","3","6","10","2","2","1") = "9"
    & skf18("7","3","6","10","2","3","1") = "9"
    & skf18("7","3","6","10","2","4","1") = "9"
    & skf18("7","3","6","10","2","5","1") = "9"
    & skf18("7","3","6","10","2","6","1") = "9"
    & skf18("7","3","6","10","2","7","1") = "9"
    & skf18("7","3","6","10","2","8","1") = "9"
    & skf18("7","3","6","10","2","9","1") = "9"
    & skf18("7","3","6","10","2","10","1") = "9"
    & skf18("7","3","6","10","3","1","1") = "9"
    & skf18("7","3","6","10","3","2","1") = "9"
    & skf18("7","3","6","10","3","3","1") = "9"
    & skf18("7","3","6","10","3","4","1") = "9"
    & skf18("7","3","6","10","3","5","1") = "9"
    & skf18("7","3","6","10","3","6","1") = "9"
    & skf18("7","3","6","10","3","7","1") = "9"
    & skf18("7","3","6","10","3","8","1") = "9"
    & skf18("7","3","6","10","3","9","1") = "9"
    & skf18("7","3","6","10","3","10","1") = "9"
    & skf18("7","3","6","10","4","1","1") = "9"
    & skf18("7","3","6","10","4","2","1") = "9"
    & skf18("7","3","6","10","4","3","1") = "9"
    & skf18("7","3","6","10","4","4","1") = "9"
    & skf18("7","3","6","10","4","5","1") = "9"
    & skf18("7","3","6","10","4","6","1") = "9"
    & skf18("7","3","6","10","4","7","1") = "9"
    & skf18("7","3","6","10","4","8","1") = "9"
    & skf18("7","3","6","10","4","9","1") = "9"
    & skf18("7","3","6","10","4","10","1") = "9"
    & skf18("7","3","6","10","5","1","1") = "9"
    & skf18("7","3","6","10","5","2","1") = "9"
    & skf18("7","3","6","10","5","3","1") = "9"
    & skf18("7","3","6","10","5","4","1") = "9"
    & skf18("7","3","6","10","5","5","1") = "9"
    & skf18("7","3","6","10","5","6","1") = "9"
    & skf18("7","3","6","10","5","7","1") = "9"
    & skf18("7","3","6","10","5","8","1") = "9"
    & skf18("7","3","6","10","5","9","1") = "9"
    & skf18("7","3","6","10","5","10","1") = "9"
    & skf18("7","3","6","10","6","1","1") = "9"
    & skf18("7","3","6","10","6","2","1") = "9"
    & skf18("7","3","6","10","6","3","1") = "9"
    & skf18("7","3","6","10","6","4","1") = "9"
    & skf18("7","3","6","10","6","5","1") = "9"
    & skf18("7","3","6","10","6","6","1") = "9"
    & skf18("7","3","6","10","6","7","1") = "9"
    & skf18("7","3","6","10","6","8","1") = "9"
    & skf18("7","3","6","10","6","9","1") = "9"
    & skf18("7","3","6","10","6","10","1") = "9"
    & skf18("7","3","6","10","7","1","1") = "9"
    & skf18("7","3","6","10","7","2","1") = "9"
    & skf18("7","3","6","10","7","3","1") = "9"
    & skf18("7","3","6","10","7","4","1") = "9"
    & skf18("7","3","6","10","7","5","1") = "9"
    & skf18("7","3","6","10","7","6","1") = "9"
    & skf18("7","3","6","10","7","7","1") = "9"
    & skf18("7","3","6","10","7","8","1") = "9"
    & skf18("7","3","6","10","7","9","1") = "9"
    & skf18("7","3","6","10","7","10","1") = "9"
    & skf18("7","3","6","10","8","1","1") = "9"
    & skf18("7","3","6","10","8","2","1") = "9"
    & skf18("7","3","6","10","8","3","1") = "9"
    & skf18("7","3","6","10","8","4","1") = "9"
    & skf18("7","3","6","10","8","5","1") = "9"
    & skf18("7","3","6","10","8","6","1") = "9"
    & skf18("7","3","6","10","8","7","1") = "9"
    & skf18("7","3","6","10","8","8","1") = "9"
    & skf18("7","3","6","10","8","9","1") = "9"
    & skf18("7","3","6","10","8","10","1") = "9"
    & skf18("7","3","6","10","9","1","1") = "9"
    & skf18("7","3","6","10","9","2","1") = "9"
    & skf18("7","3","6","10","9","3","1") = "9"
    & skf18("7","3","6","10","9","4","1") = "9"
    & skf18("7","3","6","10","9","5","1") = "9"
    & skf18("7","3","6","10","9","6","1") = "9"
    & skf18("7","3","6","10","9","7","1") = "9"
    & skf18("7","3","6","10","9","8","1") = "9"
    & skf18("7","3","6","10","9","9","1") = "9"
    & skf18("7","3","6","10","9","10","1") = "9"
    & skf18("7","3","6","10","10","1","1") = "9"
    & skf18("7","3","6","10","10","2","1") = "9"
    & skf18("7","3","6","10","10","3","1") = "9"
    & skf18("7","3","6","10","10","4","1") = "9"
    & skf18("7","3","6","10","10","5","1") = "9"
    & skf18("7","3","6","10","10","6","1") = "9"
    & skf18("7","3","6","10","10","7","1") = "9"
    & skf18("7","3","6","10","10","8","1") = "9"
    & skf18("7","3","6","10","10","9","1") = "9"
    & skf18("7","3","6","10","10","10","1") = "9"
    & skf18("7","3","7","1","1","1","1") = "6"
    & skf18("7","3","7","1","1","2","1") = "6"
    & skf18("7","3","7","1","1","3","1") = "6"
    & skf18("7","3","7","1","1","4","1") = "6"
    & skf18("7","3","7","1","1","5","1") = "6"
    & skf18("7","3","7","1","1","6","1") = "6"
    & skf18("7","3","7","1","1","7","1") = "6"
    & skf18("7","3","7","1","1","8","1") = "7"
    & skf18("7","3","7","1","1","9","1") = "8"
    & skf18("7","3","7","1","1","10","1") = "9"
    & skf18("7","3","7","1","2","1","1") = "6"
    & skf18("7","3","7","1","2","2","1") = "6"
    & skf18("7","3","7","1","2","3","1") = "6"
    & skf18("7","3","7","1","2","4","1") = "6"
    & skf18("7","3","7","1","2","5","1") = "6"
    & skf18("7","3","7","1","2","6","1") = "6"
    & skf18("7","3","7","1","2","7","1") = "6"
    & skf18("7","3","7","1","2","8","1") = "7"
    & skf18("7","3","7","1","2","9","1") = "8"
    & skf18("7","3","7","1","2","10","1") = "9"
    & skf18("7","3","7","1","3","1","1") = "6"
    & skf18("7","3","7","1","3","2","1") = "6"
    & skf18("7","3","7","1","3","3","1") = "6"
    & skf18("7","3","7","1","3","4","1") = "6"
    & skf18("7","3","7","1","3","5","1") = "6"
    & skf18("7","3","7","1","3","6","1") = "6"
    & skf18("7","3","7","1","3","7","1") = "6"
    & skf18("7","3","7","1","3","8","1") = "7"
    & skf18("7","3","7","1","3","9","1") = "8"
    & skf18("7","3","7","1","3","10","1") = "9"
    & skf18("7","3","7","1","4","1","1") = "6"
    & skf18("7","3","7","1","4","2","1") = "6"
    & skf18("7","3","7","1","4","3","1") = "6"
    & skf18("7","3","7","1","4","4","1") = "6"
    & skf18("7","3","7","1","4","5","1") = "6"
    & skf18("7","3","7","1","4","6","1") = "6"
    & skf18("7","3","7","1","4","7","1") = "6"
    & skf18("7","3","7","1","4","8","1") = "7"
    & skf18("7","3","7","1","4","9","1") = "8"
    & skf18("7","3","7","1","4","10","1") = "9"
    & skf18("7","3","7","1","5","1","1") = "6"
    & skf18("7","3","7","1","5","2","1") = "6"
    & skf18("7","3","7","1","5","3","1") = "6"
    & skf18("7","3","7","1","5","4","1") = "6"
    & skf18("7","3","7","1","5","5","1") = "6"
    & skf18("7","3","7","1","5","6","1") = "6"
    & skf18("7","3","7","1","5","7","1") = "6"
    & skf18("7","3","7","1","5","8","1") = "7"
    & skf18("7","3","7","1","5","9","1") = "8"
    & skf18("7","3","7","1","5","10","1") = "9"
    & skf18("7","3","7","1","6","1","1") = "6"
    & skf18("7","3","7","1","6","2","1") = "6"
    & skf18("7","3","7","1","6","3","1") = "6"
    & skf18("7","3","7","1","6","4","1") = "6"
    & skf18("7","3","7","1","6","5","1") = "6"
    & skf18("7","3","7","1","6","6","1") = "6"
    & skf18("7","3","7","1","6","7","1") = "6"
    & skf18("7","3","7","1","6","8","1") = "7"
    & skf18("7","3","7","1","6","9","1") = "8"
    & skf18("7","3","7","1","6","10","1") = "9"
    & skf18("7","3","7","1","7","1","1") = "6"
    & skf18("7","3","7","1","7","2","1") = "6"
    & skf18("7","3","7","1","7","3","1") = "6"
    & skf18("7","3","7","1","7","4","1") = "6"
    & skf18("7","3","7","1","7","5","1") = "6"
    & skf18("7","3","7","1","7","6","1") = "6"
    & skf18("7","3","7","1","7","7","1") = "6"
    & skf18("7","3","7","1","7","8","1") = "7"
    & skf18("7","3","7","1","7","9","1") = "8"
    & skf18("7","3","7","1","7","10","1") = "9"
    & skf18("7","3","7","1","8","1","1") = "7"
    & skf18("7","3","7","1","8","2","1") = "7"
    & skf18("7","3","7","1","8","3","1") = "7"
    & skf18("7","3","7","1","8","4","1") = "7"
    & skf18("7","3","7","1","8","5","1") = "7"
    & skf18("7","3","7","1","8","6","1") = "7"
    & skf18("7","3","7","1","8","7","1") = "7"
    & skf18("7","3","7","1","8","8","1") = "7"
    & skf18("7","3","7","1","8","9","1") = "8"
    & skf18("7","3","7","1","8","10","1") = "9"
    & skf18("7","3","7","1","9","1","1") = "8"
    & skf18("7","3","7","1","9","2","1") = "8"
    & skf18("7","3","7","1","9","3","1") = "8"
    & skf18("7","3","7","1","9","4","1") = "8"
    & skf18("7","3","7","1","9","5","1") = "8"
    & skf18("7","3","7","1","9","6","1") = "8"
    & skf18("7","3","7","1","9","7","1") = "8"
    & skf18("7","3","7","1","9","8","1") = "8"
    & skf18("7","3","7","1","9","9","1") = "8"
    & skf18("7","3","7","1","9","10","1") = "9"
    & skf18("7","3","7","1","10","1","1") = "9"
    & skf18("7","3","7","1","10","2","1") = "9"
    & skf18("7","3","7","1","10","3","1") = "9"
    & skf18("7","3","7","1","10","4","1") = "9"
    & skf18("7","3","7","1","10","5","1") = "9"
    & skf18("7","3","7","1","10","6","1") = "9"
    & skf18("7","3","7","1","10","7","1") = "9"
    & skf18("7","3","7","1","10","8","1") = "9"
    & skf18("7","3","7","1","10","9","1") = "9"
    & skf18("7","3","7","1","10","10","1") = "9"
    & skf18("7","3","7","2","1","1","1") = "6"
    & skf18("7","3","7","2","1","2","1") = "6"
    & skf18("7","3","7","2","1","3","1") = "6"
    & skf18("7","3","7","2","1","4","1") = "6"
    & skf18("7","3","7","2","1","5","1") = "6"
    & skf18("7","3","7","2","1","6","1") = "6"
    & skf18("7","3","7","2","1","7","1") = "6"
    & skf18("7","3","7","2","1","8","1") = "7"
    & skf18("7","3","7","2","1","9","1") = "8"
    & skf18("7","3","7","2","1","10","1") = "9"
    & skf18("7","3","7","2","2","1","1") = "6"
    & skf18("7","3","7","2","2","2","1") = "6"
    & skf18("7","3","7","2","2","3","1") = "6"
    & skf18("7","3","7","2","2","4","1") = "6"
    & skf18("7","3","7","2","2","5","1") = "6"
    & skf18("7","3","7","2","2","6","1") = "6"
    & skf18("7","3","7","2","2","7","1") = "6"
    & skf18("7","3","7","2","2","8","1") = "7"
    & skf18("7","3","7","2","2","9","1") = "8"
    & skf18("7","3","7","2","2","10","1") = "9"
    & skf18("7","3","7","2","3","1","1") = "6"
    & skf18("7","3","7","2","3","2","1") = "6"
    & skf18("7","3","7","2","3","3","1") = "6"
    & skf18("7","3","7","2","3","4","1") = "6"
    & skf18("7","3","7","2","3","5","1") = "6"
    & skf18("7","3","7","2","3","6","1") = "6"
    & skf18("7","3","7","2","3","7","1") = "6"
    & skf18("7","3","7","2","3","8","1") = "7"
    & skf18("7","3","7","2","3","9","1") = "8"
    & skf18("7","3","7","2","3","10","1") = "9"
    & skf18("7","3","7","2","4","1","1") = "6"
    & skf18("7","3","7","2","4","2","1") = "6"
    & skf18("7","3","7","2","4","3","1") = "6"
    & skf18("7","3","7","2","4","4","1") = "6"
    & skf18("7","3","7","2","4","5","1") = "6"
    & skf18("7","3","7","2","4","6","1") = "6"
    & skf18("7","3","7","2","4","7","1") = "6"
    & skf18("7","3","7","2","4","8","1") = "7"
    & skf18("7","3","7","2","4","9","1") = "8"
    & skf18("7","3","7","2","4","10","1") = "9"
    & skf18("7","3","7","2","5","1","1") = "6"
    & skf18("7","3","7","2","5","2","1") = "6"
    & skf18("7","3","7","2","5","3","1") = "6"
    & skf18("7","3","7","2","5","4","1") = "6"
    & skf18("7","3","7","2","5","5","1") = "6"
    & skf18("7","3","7","2","5","6","1") = "6"
    & skf18("7","3","7","2","5","7","1") = "6"
    & skf18("7","3","7","2","5","8","1") = "7"
    & skf18("7","3","7","2","5","9","1") = "8"
    & skf18("7","3","7","2","5","10","1") = "9"
    & skf18("7","3","7","2","6","1","1") = "6"
    & skf18("7","3","7","2","6","2","1") = "6"
    & skf18("7","3","7","2","6","3","1") = "6"
    & skf18("7","3","7","2","6","4","1") = "6"
    & skf18("7","3","7","2","6","5","1") = "6"
    & skf18("7","3","7","2","6","6","1") = "6"
    & skf18("7","3","7","2","6","7","1") = "6"
    & skf18("7","3","7","2","6","8","1") = "7"
    & skf18("7","3","7","2","6","9","1") = "8"
    & skf18("7","3","7","2","6","10","1") = "9"
    & skf18("7","3","7","2","7","1","1") = "6"
    & skf18("7","3","7","2","7","2","1") = "6"
    & skf18("7","3","7","2","7","3","1") = "6"
    & skf18("7","3","7","2","7","4","1") = "6"
    & skf18("7","3","7","2","7","5","1") = "6"
    & skf18("7","3","7","2","7","6","1") = "6"
    & skf18("7","3","7","2","7","7","1") = "6"
    & skf18("7","3","7","2","7","8","1") = "7"
    & skf18("7","3","7","2","7","9","1") = "8"
    & skf18("7","3","7","2","7","10","1") = "9"
    & skf18("7","3","7","2","8","1","1") = "7"
    & skf18("7","3","7","2","8","2","1") = "7"
    & skf18("7","3","7","2","8","3","1") = "7"
    & skf18("7","3","7","2","8","4","1") = "7"
    & skf18("7","3","7","2","8","5","1") = "7"
    & skf18("7","3","7","2","8","6","1") = "7"
    & skf18("7","3","7","2","8","7","1") = "7"
    & skf18("7","3","7","2","8","8","1") = "7"
    & skf18("7","3","7","2","8","9","1") = "8"
    & skf18("7","3","7","2","8","10","1") = "9"
    & skf18("7","3","7","2","9","1","1") = "8"
    & skf18("7","3","7","2","9","2","1") = "8"
    & skf18("7","3","7","2","9","3","1") = "8"
    & skf18("7","3","7","2","9","4","1") = "8"
    & skf18("7","3","7","2","9","5","1") = "8"
    & skf18("7","3","7","2","9","6","1") = "8"
    & skf18("7","3","7","2","9","7","1") = "8"
    & skf18("7","3","7","2","9","8","1") = "8"
    & skf18("7","3","7","2","9","9","1") = "8"
    & skf18("7","3","7","2","9","10","1") = "9"
    & skf18("7","3","7","2","10","1","1") = "9"
    & skf18("7","3","7","2","10","2","1") = "9"
    & skf18("7","3","7","2","10","3","1") = "9"
    & skf18("7","3","7","2","10","4","1") = "9"
    & skf18("7","3","7","2","10","5","1") = "9"
    & skf18("7","3","7","2","10","6","1") = "9"
    & skf18("7","3","7","2","10","7","1") = "9"
    & skf18("7","3","7","2","10","8","1") = "9"
    & skf18("7","3","7","2","10","9","1") = "9"
    & skf18("7","3","7","2","10","10","1") = "9"
    & skf18("7","3","7","3","1","1","1") = "6"
    & skf18("7","3","7","3","1","2","1") = "6"
    & skf18("7","3","7","3","1","3","1") = "6"
    & skf18("7","3","7","3","1","4","1") = "6"
    & skf18("7","3","7","3","1","5","1") = "6"
    & skf18("7","3","7","3","1","6","1") = "6"
    & skf18("7","3","7","3","1","7","1") = "6"
    & skf18("7","3","7","3","1","8","1") = "7"
    & skf18("7","3","7","3","1","9","1") = "8"
    & skf18("7","3","7","3","1","10","1") = "9"
    & skf18("7","3","7","3","2","1","1") = "6"
    & skf18("7","3","7","3","2","2","1") = "6"
    & skf18("7","3","7","3","2","3","1") = "6"
    & skf18("7","3","7","3","2","4","1") = "6"
    & skf18("7","3","7","3","2","5","1") = "6"
    & skf18("7","3","7","3","2","6","1") = "6"
    & skf18("7","3","7","3","2","7","1") = "6"
    & skf18("7","3","7","3","2","8","1") = "7"
    & skf18("7","3","7","3","2","9","1") = "8"
    & skf18("7","3","7","3","2","10","1") = "9"
    & skf18("7","3","7","3","3","1","1") = "6"
    & skf18("7","3","7","3","3","2","1") = "6"
    & skf18("7","3","7","3","3","3","1") = "6"
    & skf18("7","3","7","3","3","4","1") = "6"
    & skf18("7","3","7","3","3","5","1") = "6"
    & skf18("7","3","7","3","3","6","1") = "6"
    & skf18("7","3","7","3","3","7","1") = "6"
    & skf18("7","3","7","3","3","8","1") = "7"
    & skf18("7","3","7","3","3","9","1") = "8"
    & skf18("7","3","7","3","3","10","1") = "9"
    & skf18("7","3","7","3","4","1","1") = "6"
    & skf18("7","3","7","3","4","2","1") = "6"
    & skf18("7","3","7","3","4","3","1") = "6"
    & skf18("7","3","7","3","4","4","1") = "6"
    & skf18("7","3","7","3","4","5","1") = "6"
    & skf18("7","3","7","3","4","6","1") = "6"
    & skf18("7","3","7","3","4","7","1") = "6"
    & skf18("7","3","7","3","4","8","1") = "7"
    & skf18("7","3","7","3","4","9","1") = "8"
    & skf18("7","3","7","3","4","10","1") = "9"
    & skf18("7","3","7","3","5","1","1") = "6"
    & skf18("7","3","7","3","5","2","1") = "6"
    & skf18("7","3","7","3","5","3","1") = "6"
    & skf18("7","3","7","3","5","4","1") = "6"
    & skf18("7","3","7","3","5","5","1") = "6"
    & skf18("7","3","7","3","5","6","1") = "6"
    & skf18("7","3","7","3","5","7","1") = "6"
    & skf18("7","3","7","3","5","8","1") = "7"
    & skf18("7","3","7","3","5","9","1") = "8"
    & skf18("7","3","7","3","5","10","1") = "9"
    & skf18("7","3","7","3","6","1","1") = "6"
    & skf18("7","3","7","3","6","2","1") = "6"
    & skf18("7","3","7","3","6","3","1") = "6"
    & skf18("7","3","7","3","6","4","1") = "6"
    & skf18("7","3","7","3","6","5","1") = "6"
    & skf18("7","3","7","3","6","6","1") = "6"
    & skf18("7","3","7","3","6","7","1") = "6"
    & skf18("7","3","7","3","6","8","1") = "7"
    & skf18("7","3","7","3","6","9","1") = "8"
    & skf18("7","3","7","3","6","10","1") = "9"
    & skf18("7","3","7","3","7","1","1") = "6"
    & skf18("7","3","7","3","7","2","1") = "6"
    & skf18("7","3","7","3","7","3","1") = "6"
    & skf18("7","3","7","3","7","4","1") = "6"
    & skf18("7","3","7","3","7","5","1") = "6"
    & skf18("7","3","7","3","7","6","1") = "6"
    & skf18("7","3","7","3","7","7","1") = "6"
    & skf18("7","3","7","3","7","8","1") = "7"
    & skf18("7","3","7","3","7","9","1") = "8"
    & skf18("7","3","7","3","7","10","1") = "9"
    & skf18("7","3","7","3","8","1","1") = "7"
    & skf18("7","3","7","3","8","2","1") = "7"
    & skf18("7","3","7","3","8","3","1") = "7"
    & skf18("7","3","7","3","8","4","1") = "7"
    & skf18("7","3","7","3","8","5","1") = "7"
    & skf18("7","3","7","3","8","6","1") = "7"
    & skf18("7","3","7","3","8","7","1") = "7"
    & skf18("7","3","7","3","8","8","1") = "7"
    & skf18("7","3","7","3","8","9","1") = "8"
    & skf18("7","3","7","3","8","10","1") = "9"
    & skf18("7","3","7","3","9","1","1") = "8"
    & skf18("7","3","7","3","9","2","1") = "8"
    & skf18("7","3","7","3","9","3","1") = "8"
    & skf18("7","3","7","3","9","4","1") = "8"
    & skf18("7","3","7","3","9","5","1") = "8"
    & skf18("7","3","7","3","9","6","1") = "8"
    & skf18("7","3","7","3","9","7","1") = "8"
    & skf18("7","3","7","3","9","8","1") = "8"
    & skf18("7","3","7","3","9","9","1") = "8"
    & skf18("7","3","7","3","9","10","1") = "9"
    & skf18("7","3","7","3","10","1","1") = "9"
    & skf18("7","3","7","3","10","2","1") = "9"
    & skf18("7","3","7","3","10","3","1") = "9"
    & skf18("7","3","7","3","10","4","1") = "9"
    & skf18("7","3","7","3","10","5","1") = "9"
    & skf18("7","3","7","3","10","6","1") = "9"
    & skf18("7","3","7","3","10","7","1") = "9"
    & skf18("7","3","7","3","10","8","1") = "9"
    & skf18("7","3","7","3","10","9","1") = "9"
    & skf18("7","3","7","3","10","10","1") = "9"
    & skf18("7","3","7","4","1","1","1") = "6"
    & skf18("7","3","7","4","1","2","1") = "6"
    & skf18("7","3","7","4","1","3","1") = "6"
    & skf18("7","3","7","4","1","4","1") = "6"
    & skf18("7","3","7","4","1","5","1") = "6"
    & skf18("7","3","7","4","1","6","1") = "6"
    & skf18("7","3","7","4","1","7","1") = "6"
    & skf18("7","3","7","4","1","8","1") = "7"
    & skf18("7","3","7","4","1","9","1") = "8"
    & skf18("7","3","7","4","1","10","1") = "9"
    & skf18("7","3","7","4","2","1","1") = "6"
    & skf18("7","3","7","4","2","2","1") = "6"
    & skf18("7","3","7","4","2","3","1") = "6"
    & skf18("7","3","7","4","2","4","1") = "6"
    & skf18("7","3","7","4","2","5","1") = "6"
    & skf18("7","3","7","4","2","6","1") = "6"
    & skf18("7","3","7","4","2","7","1") = "6"
    & skf18("7","3","7","4","2","8","1") = "7"
    & skf18("7","3","7","4","2","9","1") = "8"
    & skf18("7","3","7","4","2","10","1") = "9"
    & skf18("7","3","7","4","3","1","1") = "6"
    & skf18("7","3","7","4","3","2","1") = "6"
    & skf18("7","3","7","4","3","3","1") = "6"
    & skf18("7","3","7","4","3","4","1") = "6"
    & skf18("7","3","7","4","3","5","1") = "6"
    & skf18("7","3","7","4","3","6","1") = "6"
    & skf18("7","3","7","4","3","7","1") = "6"
    & skf18("7","3","7","4","3","8","1") = "7"
    & skf18("7","3","7","4","3","9","1") = "8"
    & skf18("7","3","7","4","3","10","1") = "9"
    & skf18("7","3","7","4","4","1","1") = "6"
    & skf18("7","3","7","4","4","2","1") = "6"
    & skf18("7","3","7","4","4","3","1") = "6"
    & skf18("7","3","7","4","4","4","1") = "6"
    & skf18("7","3","7","4","4","5","1") = "6"
    & skf18("7","3","7","4","4","6","1") = "6"
    & skf18("7","3","7","4","4","7","1") = "6"
    & skf18("7","3","7","4","4","8","1") = "7"
    & skf18("7","3","7","4","4","9","1") = "8"
    & skf18("7","3","7","4","4","10","1") = "9"
    & skf18("7","3","7","4","5","1","1") = "6"
    & skf18("7","3","7","4","5","2","1") = "6"
    & skf18("7","3","7","4","5","3","1") = "6"
    & skf18("7","3","7","4","5","4","1") = "6"
    & skf18("7","3","7","4","5","5","1") = "6"
    & skf18("7","3","7","4","5","6","1") = "6"
    & skf18("7","3","7","4","5","7","1") = "6"
    & skf18("7","3","7","4","5","8","1") = "7"
    & skf18("7","3","7","4","5","9","1") = "8"
    & skf18("7","3","7","4","5","10","1") = "9"
    & skf18("7","3","7","4","6","1","1") = "6"
    & skf18("7","3","7","4","6","2","1") = "6"
    & skf18("7","3","7","4","6","3","1") = "6"
    & skf18("7","3","7","4","6","4","1") = "6"
    & skf18("7","3","7","4","6","5","1") = "6"
    & skf18("7","3","7","4","6","6","1") = "6"
    & skf18("7","3","7","4","6","7","1") = "6"
    & skf18("7","3","7","4","6","8","1") = "7"
    & skf18("7","3","7","4","6","9","1") = "8"
    & skf18("7","3","7","4","6","10","1") = "9"
    & skf18("7","3","7","4","7","1","1") = "6"
    & skf18("7","3","7","4","7","2","1") = "6"
    & skf18("7","3","7","4","7","3","1") = "6"
    & skf18("7","3","7","4","7","4","1") = "6"
    & skf18("7","3","7","4","7","5","1") = "6"
    & skf18("7","3","7","4","7","6","1") = "6"
    & skf18("7","3","7","4","7","7","1") = "6"
    & skf18("7","3","7","4","7","8","1") = "7"
    & skf18("7","3","7","4","7","9","1") = "8"
    & skf18("7","3","7","4","7","10","1") = "9"
    & skf18("7","3","7","4","8","1","1") = "7"
    & skf18("7","3","7","4","8","2","1") = "7"
    & skf18("7","3","7","4","8","3","1") = "7"
    & skf18("7","3","7","4","8","4","1") = "7"
    & skf18("7","3","7","4","8","5","1") = "7"
    & skf18("7","3","7","4","8","6","1") = "7"
    & skf18("7","3","7","4","8","7","1") = "7"
    & skf18("7","3","7","4","8","8","1") = "7"
    & skf18("7","3","7","4","8","9","1") = "8"
    & skf18("7","3","7","4","8","10","1") = "9"
    & skf18("7","3","7","4","9","1","1") = "8"
    & skf18("7","3","7","4","9","2","1") = "8"
    & skf18("7","3","7","4","9","3","1") = "8"
    & skf18("7","3","7","4","9","4","1") = "8"
    & skf18("7","3","7","4","9","5","1") = "8"
    & skf18("7","3","7","4","9","6","1") = "8"
    & skf18("7","3","7","4","9","7","1") = "8"
    & skf18("7","3","7","4","9","8","1") = "8"
    & skf18("7","3","7","4","9","9","1") = "8"
    & skf18("7","3","7","4","9","10","1") = "9"
    & skf18("7","3","7","4","10","1","1") = "9"
    & skf18("7","3","7","4","10","2","1") = "9"
    & skf18("7","3","7","4","10","3","1") = "9"
    & skf18("7","3","7","4","10","4","1") = "9"
    & skf18("7","3","7","4","10","5","1") = "9"
    & skf18("7","3","7","4","10","6","1") = "9"
    & skf18("7","3","7","4","10","7","1") = "9"
    & skf18("7","3","7","4","10","8","1") = "9"
    & skf18("7","3","7","4","10","9","1") = "9"
    & skf18("7","3","7","4","10","10","1") = "9"
    & skf18("7","3","7","5","1","1","1") = "6"
    & skf18("7","3","7","5","1","2","1") = "6"
    & skf18("7","3","7","5","1","3","1") = "6"
    & skf18("7","3","7","5","1","4","1") = "6"
    & skf18("7","3","7","5","1","5","1") = "6"
    & skf18("7","3","7","5","1","6","1") = "6"
    & skf18("7","3","7","5","1","7","1") = "6"
    & skf18("7","3","7","5","1","8","1") = "7"
    & skf18("7","3","7","5","1","9","1") = "8"
    & skf18("7","3","7","5","1","10","1") = "9"
    & skf18("7","3","7","5","2","1","1") = "6"
    & skf18("7","3","7","5","2","2","1") = "6"
    & skf18("7","3","7","5","2","3","1") = "6"
    & skf18("7","3","7","5","2","4","1") = "6"
    & skf18("7","3","7","5","2","5","1") = "6"
    & skf18("7","3","7","5","2","6","1") = "6"
    & skf18("7","3","7","5","2","7","1") = "6"
    & skf18("7","3","7","5","2","8","1") = "7"
    & skf18("7","3","7","5","2","9","1") = "8"
    & skf18("7","3","7","5","2","10","1") = "9"
    & skf18("7","3","7","5","3","1","1") = "6"
    & skf18("7","3","7","5","3","2","1") = "6"
    & skf18("7","3","7","5","3","3","1") = "6"
    & skf18("7","3","7","5","3","4","1") = "6"
    & skf18("7","3","7","5","3","5","1") = "6"
    & skf18("7","3","7","5","3","6","1") = "6"
    & skf18("7","3","7","5","3","7","1") = "6"
    & skf18("7","3","7","5","3","8","1") = "7"
    & skf18("7","3","7","5","3","9","1") = "8"
    & skf18("7","3","7","5","3","10","1") = "9"
    & skf18("7","3","7","5","4","1","1") = "6"
    & skf18("7","3","7","5","4","2","1") = "6"
    & skf18("7","3","7","5","4","3","1") = "6"
    & skf18("7","3","7","5","4","4","1") = "6"
    & skf18("7","3","7","5","4","5","1") = "6"
    & skf18("7","3","7","5","4","6","1") = "6"
    & skf18("7","3","7","5","4","7","1") = "6"
    & skf18("7","3","7","5","4","8","1") = "7"
    & skf18("7","3","7","5","4","9","1") = "8"
    & skf18("7","3","7","5","4","10","1") = "9"
    & skf18("7","3","7","5","5","1","1") = "6"
    & skf18("7","3","7","5","5","2","1") = "6"
    & skf18("7","3","7","5","5","3","1") = "6"
    & skf18("7","3","7","5","5","4","1") = "6"
    & skf18("7","3","7","5","5","5","1") = "6"
    & skf18("7","3","7","5","5","6","1") = "6"
    & skf18("7","3","7","5","5","7","1") = "6"
    & skf18("7","3","7","5","5","8","1") = "7"
    & skf18("7","3","7","5","5","9","1") = "8"
    & skf18("7","3","7","5","5","10","1") = "9"
    & skf18("7","3","7","5","6","1","1") = "6"
    & skf18("7","3","7","5","6","2","1") = "6"
    & skf18("7","3","7","5","6","3","1") = "6"
    & skf18("7","3","7","5","6","4","1") = "6"
    & skf18("7","3","7","5","6","5","1") = "6"
    & skf18("7","3","7","5","6","6","1") = "6"
    & skf18("7","3","7","5","6","7","1") = "6"
    & skf18("7","3","7","5","6","8","1") = "7"
    & skf18("7","3","7","5","6","9","1") = "8"
    & skf18("7","3","7","5","6","10","1") = "9"
    & skf18("7","3","7","5","7","1","1") = "6"
    & skf18("7","3","7","5","7","2","1") = "6"
    & skf18("7","3","7","5","7","3","1") = "6"
    & skf18("7","3","7","5","7","4","1") = "6"
    & skf18("7","3","7","5","7","5","1") = "6"
    & skf18("7","3","7","5","7","6","1") = "6"
    & skf18("7","3","7","5","7","7","1") = "6"
    & skf18("7","3","7","5","7","8","1") = "7"
    & skf18("7","3","7","5","7","9","1") = "8"
    & skf18("7","3","7","5","7","10","1") = "9"
    & skf18("7","3","7","5","8","1","1") = "7"
    & skf18("7","3","7","5","8","2","1") = "7"
    & skf18("7","3","7","5","8","3","1") = "7"
    & skf18("7","3","7","5","8","4","1") = "7"
    & skf18("7","3","7","5","8","5","1") = "7"
    & skf18("7","3","7","5","8","6","1") = "7"
    & skf18("7","3","7","5","8","7","1") = "7"
    & skf18("7","3","7","5","8","8","1") = "7"
    & skf18("7","3","7","5","8","9","1") = "8"
    & skf18("7","3","7","5","8","10","1") = "9"
    & skf18("7","3","7","5","9","1","1") = "8"
    & skf18("7","3","7","5","9","2","1") = "8"
    & skf18("7","3","7","5","9","3","1") = "8"
    & skf18("7","3","7","5","9","4","1") = "8"
    & skf18("7","3","7","5","9","5","1") = "8"
    & skf18("7","3","7","5","9","6","1") = "8"
    & skf18("7","3","7","5","9","7","1") = "8"
    & skf18("7","3","7","5","9","8","1") = "8"
    & skf18("7","3","7","5","9","9","1") = "8"
    & skf18("7","3","7","5","9","10","1") = "9"
    & skf18("7","3","7","5","10","1","1") = "9"
    & skf18("7","3","7","5","10","2","1") = "9"
    & skf18("7","3","7","5","10","3","1") = "9"
    & skf18("7","3","7","5","10","4","1") = "9"
    & skf18("7","3","7","5","10","5","1") = "9"
    & skf18("7","3","7","5","10","6","1") = "9"
    & skf18("7","3","7","5","10","7","1") = "9"
    & skf18("7","3","7","5","10","8","1") = "9"
    & skf18("7","3","7","5","10","9","1") = "9"
    & skf18("7","3","7","5","10","10","1") = "9"
    & skf18("7","3","7","6","1","1","1") = "6"
    & skf18("7","3","7","6","1","2","1") = "6"
    & skf18("7","3","7","6","1","3","1") = "6"
    & skf18("7","3","7","6","1","4","1") = "6"
    & skf18("7","3","7","6","1","5","1") = "6"
    & skf18("7","3","7","6","1","6","1") = "6"
    & skf18("7","3","7","6","1","7","1") = "6"
    & skf18("7","3","7","6","1","8","1") = "7"
    & skf18("7","3","7","6","1","9","1") = "8"
    & skf18("7","3","7","6","1","10","1") = "9"
    & skf18("7","3","7","6","2","1","1") = "6"
    & skf18("7","3","7","6","2","2","1") = "6"
    & skf18("7","3","7","6","2","3","1") = "6"
    & skf18("7","3","7","6","2","4","1") = "6"
    & skf18("7","3","7","6","2","5","1") = "6"
    & skf18("7","3","7","6","2","6","1") = "6"
    & skf18("7","3","7","6","2","7","1") = "6"
    & skf18("7","3","7","6","2","8","1") = "7"
    & skf18("7","3","7","6","2","9","1") = "8"
    & skf18("7","3","7","6","2","10","1") = "9"
    & skf18("7","3","7","6","3","1","1") = "6"
    & skf18("7","3","7","6","3","2","1") = "6"
    & skf18("7","3","7","6","3","3","1") = "6"
    & skf18("7","3","7","6","3","4","1") = "6"
    & skf18("7","3","7","6","3","5","1") = "6"
    & skf18("7","3","7","6","3","6","1") = "6"
    & skf18("7","3","7","6","3","7","1") = "6"
    & skf18("7","3","7","6","3","8","1") = "7"
    & skf18("7","3","7","6","3","9","1") = "8"
    & skf18("7","3","7","6","3","10","1") = "9"
    & skf18("7","3","7","6","4","1","1") = "6"
    & skf18("7","3","7","6","4","2","1") = "6"
    & skf18("7","3","7","6","4","3","1") = "6"
    & skf18("7","3","7","6","4","4","1") = "6"
    & skf18("7","3","7","6","4","5","1") = "6"
    & skf18("7","3","7","6","4","6","1") = "6"
    & skf18("7","3","7","6","4","7","1") = "6"
    & skf18("7","3","7","6","4","8","1") = "7"
    & skf18("7","3","7","6","4","9","1") = "8"
    & skf18("7","3","7","6","4","10","1") = "9"
    & skf18("7","3","7","6","5","1","1") = "6"
    & skf18("7","3","7","6","5","2","1") = "6"
    & skf18("7","3","7","6","5","3","1") = "6"
    & skf18("7","3","7","6","5","4","1") = "6"
    & skf18("7","3","7","6","5","5","1") = "6"
    & skf18("7","3","7","6","5","6","1") = "6"
    & skf18("7","3","7","6","5","7","1") = "6"
    & skf18("7","3","7","6","5","8","1") = "7"
    & skf18("7","3","7","6","5","9","1") = "8"
    & skf18("7","3","7","6","5","10","1") = "9"
    & skf18("7","3","7","6","6","1","1") = "6"
    & skf18("7","3","7","6","6","2","1") = "6"
    & skf18("7","3","7","6","6","3","1") = "6"
    & skf18("7","3","7","6","6","4","1") = "6"
    & skf18("7","3","7","6","6","5","1") = "6"
    & skf18("7","3","7","6","6","6","1") = "6"
    & skf18("7","3","7","6","6","7","1") = "6"
    & skf18("7","3","7","6","6","8","1") = "7"
    & skf18("7","3","7","6","6","9","1") = "8"
    & skf18("7","3","7","6","6","10","1") = "9"
    & skf18("7","3","7","6","7","1","1") = "6"
    & skf18("7","3","7","6","7","2","1") = "6"
    & skf18("7","3","7","6","7","3","1") = "6"
    & skf18("7","3","7","6","7","4","1") = "6"
    & skf18("7","3","7","6","7","5","1") = "6"
    & skf18("7","3","7","6","7","6","1") = "6"
    & skf18("7","3","7","6","7","7","1") = "6"
    & skf18("7","3","7","6","7","8","1") = "7"
    & skf18("7","3","7","6","7","9","1") = "8"
    & skf18("7","3","7","6","7","10","1") = "9"
    & skf18("7","3","7","6","8","1","1") = "7"
    & skf18("7","3","7","6","8","2","1") = "7"
    & skf18("7","3","7","6","8","3","1") = "7"
    & skf18("7","3","7","6","8","4","1") = "7"
    & skf18("7","3","7","6","8","5","1") = "7"
    & skf18("7","3","7","6","8","6","1") = "7"
    & skf18("7","3","7","6","8","7","1") = "7"
    & skf18("7","3","7","6","8","8","1") = "7"
    & skf18("7","3","7","6","8","9","1") = "8"
    & skf18("7","3","7","6","8","10","1") = "9"
    & skf18("7","3","7","6","9","1","1") = "8"
    & skf18("7","3","7","6","9","2","1") = "8"
    & skf18("7","3","7","6","9","3","1") = "8"
    & skf18("7","3","7","6","9","4","1") = "8"
    & skf18("7","3","7","6","9","5","1") = "8"
    & skf18("7","3","7","6","9","6","1") = "8"
    & skf18("7","3","7","6","9","7","1") = "8"
    & skf18("7","3","7","6","9","8","1") = "8"
    & skf18("7","3","7","6","9","9","1") = "8"
    & skf18("7","3","7","6","9","10","1") = "9"
    & skf18("7","3","7","6","10","1","1") = "9"
    & skf18("7","3","7","6","10","2","1") = "9"
    & skf18("7","3","7","6","10","3","1") = "9"
    & skf18("7","3","7","6","10","4","1") = "9"
    & skf18("7","3","7","6","10","5","1") = "9"
    & skf18("7","3","7","6","10","6","1") = "9"
    & skf18("7","3","7","6","10","7","1") = "9"
    & skf18("7","3","7","6","10","8","1") = "9"
    & skf18("7","3","7","6","10","9","1") = "9"
    & skf18("7","3","7","6","10","10","1") = "9"
    & skf18("7","3","7","7","1","1","1") = "6"
    & skf18("7","3","7","7","1","2","1") = "6"
    & skf18("7","3","7","7","1","3","1") = "6"
    & skf18("7","3","7","7","1","4","1") = "6"
    & skf18("7","3","7","7","1","5","1") = "6"
    & skf18("7","3","7","7","1","6","1") = "6"
    & skf18("7","3","7","7","1","7","1") = "6"
    & skf18("7","3","7","7","1","8","1") = "7"
    & skf18("7","3","7","7","1","9","1") = "8"
    & skf18("7","3","7","7","1","10","1") = "9"
    & skf18("7","3","7","7","2","1","1") = "6"
    & skf18("7","3","7","7","2","2","1") = "6"
    & skf18("7","3","7","7","2","3","1") = "6"
    & skf18("7","3","7","7","2","4","1") = "6"
    & skf18("7","3","7","7","2","5","1") = "6"
    & skf18("7","3","7","7","2","6","1") = "6"
    & skf18("7","3","7","7","2","7","1") = "6"
    & skf18("7","3","7","7","2","8","1") = "7"
    & skf18("7","3","7","7","2","9","1") = "8"
    & skf18("7","3","7","7","2","10","1") = "9"
    & skf18("7","3","7","7","3","1","1") = "6"
    & skf18("7","3","7","7","3","2","1") = "6"
    & skf18("7","3","7","7","3","3","1") = "6"
    & skf18("7","3","7","7","3","4","1") = "6"
    & skf18("7","3","7","7","3","5","1") = "6"
    & skf18("7","3","7","7","3","6","1") = "6"
    & skf18("7","3","7","7","3","7","1") = "6"
    & skf18("7","3","7","7","3","8","1") = "7"
    & skf18("7","3","7","7","3","9","1") = "8"
    & skf18("7","3","7","7","3","10","1") = "9"
    & skf18("7","3","7","7","4","1","1") = "6"
    & skf18("7","3","7","7","4","2","1") = "6"
    & skf18("7","3","7","7","4","3","1") = "6"
    & skf18("7","3","7","7","4","4","1") = "6"
    & skf18("7","3","7","7","4","5","1") = "6"
    & skf18("7","3","7","7","4","6","1") = "6"
    & skf18("7","3","7","7","4","7","1") = "6"
    & skf18("7","3","7","7","4","8","1") = "7"
    & skf18("7","3","7","7","4","9","1") = "8"
    & skf18("7","3","7","7","4","10","1") = "9"
    & skf18("7","3","7","7","5","1","1") = "6"
    & skf18("7","3","7","7","5","2","1") = "6"
    & skf18("7","3","7","7","5","3","1") = "6"
    & skf18("7","3","7","7","5","4","1") = "6"
    & skf18("7","3","7","7","5","5","1") = "6"
    & skf18("7","3","7","7","5","6","1") = "6"
    & skf18("7","3","7","7","5","7","1") = "6"
    & skf18("7","3","7","7","5","8","1") = "7"
    & skf18("7","3","7","7","5","9","1") = "8"
    & skf18("7","3","7","7","5","10","1") = "9"
    & skf18("7","3","7","7","6","1","1") = "6"
    & skf18("7","3","7","7","6","2","1") = "6"
    & skf18("7","3","7","7","6","3","1") = "6"
    & skf18("7","3","7","7","6","4","1") = "6"
    & skf18("7","3","7","7","6","5","1") = "6"
    & skf18("7","3","7","7","6","6","1") = "6"
    & skf18("7","3","7","7","6","7","1") = "6"
    & skf18("7","3","7","7","6","8","1") = "7"
    & skf18("7","3","7","7","6","9","1") = "8"
    & skf18("7","3","7","7","6","10","1") = "9"
    & skf18("7","3","7","7","7","1","1") = "6"
    & skf18("7","3","7","7","7","2","1") = "6"
    & skf18("7","3","7","7","7","3","1") = "6"
    & skf18("7","3","7","7","7","4","1") = "6"
    & skf18("7","3","7","7","7","5","1") = "6"
    & skf18("7","3","7","7","7","6","1") = "6"
    & skf18("7","3","7","7","7","7","1") = "6"
    & skf18("7","3","7","7","7","8","1") = "7"
    & skf18("7","3","7","7","7","9","1") = "8"
    & skf18("7","3","7","7","7","10","1") = "9"
    & skf18("7","3","7","7","8","1","1") = "7"
    & skf18("7","3","7","7","8","2","1") = "7"
    & skf18("7","3","7","7","8","3","1") = "7"
    & skf18("7","3","7","7","8","4","1") = "7"
    & skf18("7","3","7","7","8","5","1") = "7"
    & skf18("7","3","7","7","8","6","1") = "7"
    & skf18("7","3","7","7","8","7","1") = "7"
    & skf18("7","3","7","7","8","8","1") = "7"
    & skf18("7","3","7","7","8","9","1") = "8"
    & skf18("7","3","7","7","8","10","1") = "9"
    & skf18("7","3","7","7","9","1","1") = "8"
    & skf18("7","3","7","7","9","2","1") = "8"
    & skf18("7","3","7","7","9","3","1") = "8"
    & skf18("7","3","7","7","9","4","1") = "8"
    & skf18("7","3","7","7","9","5","1") = "8"
    & skf18("7","3","7","7","9","6","1") = "8"
    & skf18("7","3","7","7","9","7","1") = "8"
    & skf18("7","3","7","7","9","8","1") = "8"
    & skf18("7","3","7","7","9","9","1") = "8"
    & skf18("7","3","7","7","9","10","1") = "9"
    & skf18("7","3","7","7","10","1","1") = "9"
    & skf18("7","3","7","7","10","2","1") = "9"
    & skf18("7","3","7","7","10","3","1") = "9"
    & skf18("7","3","7","7","10","4","1") = "9"
    & skf18("7","3","7","7","10","5","1") = "9"
    & skf18("7","3","7","7","10","6","1") = "9"
    & skf18("7","3","7","7","10","7","1") = "9"
    & skf18("7","3","7","7","10","8","1") = "9"
    & skf18("7","3","7","7","10","9","1") = "9"
    & skf18("7","3","7","7","10","10","1") = "9"
    & skf18("7","3","7","8","1","1","1") = "7"
    & skf18("7","3","7","8","1","2","1") = "7"
    & skf18("7","3","7","8","1","3","1") = "7"
    & skf18("7","3","7","8","1","4","1") = "7"
    & skf18("7","3","7","8","1","5","1") = "7"
    & skf18("7","3","7","8","1","6","1") = "7"
    & skf18("7","3","7","8","1","7","1") = "7"
    & skf18("7","3","7","8","1","8","1") = "7"
    & skf18("7","3","7","8","1","9","1") = "8"
    & skf18("7","3","7","8","1","10","1") = "9"
    & skf18("7","3","7","8","2","1","1") = "7"
    & skf18("7","3","7","8","2","2","1") = "7"
    & skf18("7","3","7","8","2","3","1") = "7"
    & skf18("7","3","7","8","2","4","1") = "7"
    & skf18("7","3","7","8","2","5","1") = "7"
    & skf18("7","3","7","8","2","6","1") = "7"
    & skf18("7","3","7","8","2","7","1") = "7"
    & skf18("7","3","7","8","2","8","1") = "7"
    & skf18("7","3","7","8","2","9","1") = "8"
    & skf18("7","3","7","8","2","10","1") = "9"
    & skf18("7","3","7","8","3","1","1") = "7"
    & skf18("7","3","7","8","3","2","1") = "7"
    & skf18("7","3","7","8","3","3","1") = "7"
    & skf18("7","3","7","8","3","4","1") = "7"
    & skf18("7","3","7","8","3","5","1") = "7"
    & skf18("7","3","7","8","3","6","1") = "7"
    & skf18("7","3","7","8","3","7","1") = "7"
    & skf18("7","3","7","8","3","8","1") = "7"
    & skf18("7","3","7","8","3","9","1") = "8"
    & skf18("7","3","7","8","3","10","1") = "9"
    & skf18("7","3","7","8","4","1","1") = "7"
    & skf18("7","3","7","8","4","2","1") = "7"
    & skf18("7","3","7","8","4","3","1") = "7"
    & skf18("7","3","7","8","4","4","1") = "7"
    & skf18("7","3","7","8","4","5","1") = "7"
    & skf18("7","3","7","8","4","6","1") = "7"
    & skf18("7","3","7","8","4","7","1") = "7"
    & skf18("7","3","7","8","4","8","1") = "7"
    & skf18("7","3","7","8","4","9","1") = "8"
    & skf18("7","3","7","8","4","10","1") = "9"
    & skf18("7","3","7","8","5","1","1") = "7"
    & skf18("7","3","7","8","5","2","1") = "7"
    & skf18("7","3","7","8","5","3","1") = "7"
    & skf18("7","3","7","8","5","4","1") = "7"
    & skf18("7","3","7","8","5","5","1") = "7"
    & skf18("7","3","7","8","5","6","1") = "7"
    & skf18("7","3","7","8","5","7","1") = "7"
    & skf18("7","3","7","8","5","8","1") = "7"
    & skf18("7","3","7","8","5","9","1") = "8"
    & skf18("7","3","7","8","5","10","1") = "9"
    & skf18("7","3","7","8","6","1","1") = "7"
    & skf18("7","3","7","8","6","2","1") = "7"
    & skf18("7","3","7","8","6","3","1") = "7"
    & skf18("7","3","7","8","6","4","1") = "7"
    & skf18("7","3","7","8","6","5","1") = "7"
    & skf18("7","3","7","8","6","6","1") = "7"
    & skf18("7","3","7","8","6","7","1") = "7"
    & skf18("7","3","7","8","6","8","1") = "7"
    & skf18("7","3","7","8","6","9","1") = "8"
    & skf18("7","3","7","8","6","10","1") = "9"
    & skf18("7","3","7","8","7","1","1") = "7"
    & skf18("7","3","7","8","7","2","1") = "7"
    & skf18("7","3","7","8","7","3","1") = "7"
    & skf18("7","3","7","8","7","4","1") = "7"
    & skf18("7","3","7","8","7","5","1") = "7"
    & skf18("7","3","7","8","7","6","1") = "7"
    & skf18("7","3","7","8","7","7","1") = "7"
    & skf18("7","3","7","8","7","8","1") = "7"
    & skf18("7","3","7","8","7","9","1") = "8"
    & skf18("7","3","7","8","7","10","1") = "9"
    & skf18("7","3","7","8","8","1","1") = "7"
    & skf18("7","3","7","8","8","2","1") = "7"
    & skf18("7","3","7","8","8","3","1") = "7"
    & skf18("7","3","7","8","8","4","1") = "7"
    & skf18("7","3","7","8","8","5","1") = "7"
    & skf18("7","3","7","8","8","6","1") = "7"
    & skf18("7","3","7","8","8","7","1") = "7"
    & skf18("7","3","7","8","8","8","1") = "7"
    & skf18("7","3","7","8","8","9","1") = "8"
    & skf18("7","3","7","8","8","10","1") = "9"
    & skf18("7","3","7","8","9","1","1") = "8"
    & skf18("7","3","7","8","9","2","1") = "8"
    & skf18("7","3","7","8","9","3","1") = "8"
    & skf18("7","3","7","8","9","4","1") = "8"
    & skf18("7","3","7","8","9","5","1") = "8"
    & skf18("7","3","7","8","9","6","1") = "8"
    & skf18("7","3","7","8","9","7","1") = "8"
    & skf18("7","3","7","8","9","8","1") = "8"
    & skf18("7","3","7","8","9","9","1") = "8"
    & skf18("7","3","7","8","9","10","1") = "9"
    & skf18("7","3","7","8","10","1","1") = "9"
    & skf18("7","3","7","8","10","2","1") = "9"
    & skf18("7","3","7","8","10","3","1") = "9"
    & skf18("7","3","7","8","10","4","1") = "9"
    & skf18("7","3","7","8","10","5","1") = "9"
    & skf18("7","3","7","8","10","6","1") = "9"
    & skf18("7","3","7","8","10","7","1") = "9"
    & skf18("7","3","7","8","10","8","1") = "9"
    & skf18("7","3","7","8","10","9","1") = "9"
    & skf18("7","3","7","8","10","10","1") = "9"
    & skf18("7","3","7","9","1","1","1") = "8"
    & skf18("7","3","7","9","1","2","1") = "8"
    & skf18("7","3","7","9","1","3","1") = "8"
    & skf18("7","3","7","9","1","4","1") = "8"
    & skf18("7","3","7","9","1","5","1") = "8"
    & skf18("7","3","7","9","1","6","1") = "8"
    & skf18("7","3","7","9","1","7","1") = "8"
    & skf18("7","3","7","9","1","8","1") = "8"
    & skf18("7","3","7","9","1","9","1") = "8"
    & skf18("7","3","7","9","1","10","1") = "9"
    & skf18("7","3","7","9","2","1","1") = "8"
    & skf18("7","3","7","9","2","2","1") = "8"
    & skf18("7","3","7","9","2","3","1") = "8"
    & skf18("7","3","7","9","2","4","1") = "8"
    & skf18("7","3","7","9","2","5","1") = "8"
    & skf18("7","3","7","9","2","6","1") = "8"
    & skf18("7","3","7","9","2","7","1") = "8"
    & skf18("7","3","7","9","2","8","1") = "8"
    & skf18("7","3","7","9","2","9","1") = "8"
    & skf18("7","3","7","9","2","10","1") = "9"
    & skf18("7","3","7","9","3","1","1") = "8"
    & skf18("7","3","7","9","3","2","1") = "8"
    & skf18("7","3","7","9","3","3","1") = "8"
    & skf18("7","3","7","9","3","4","1") = "8"
    & skf18("7","3","7","9","3","5","1") = "8"
    & skf18("7","3","7","9","3","6","1") = "8"
    & skf18("7","3","7","9","3","7","1") = "8"
    & skf18("7","3","7","9","3","8","1") = "8"
    & skf18("7","3","7","9","3","9","1") = "8"
    & skf18("7","3","7","9","3","10","1") = "9"
    & skf18("7","3","7","9","4","1","1") = "8"
    & skf18("7","3","7","9","4","2","1") = "8"
    & skf18("7","3","7","9","4","3","1") = "8"
    & skf18("7","3","7","9","4","4","1") = "8"
    & skf18("7","3","7","9","4","5","1") = "8"
    & skf18("7","3","7","9","4","6","1") = "8"
    & skf18("7","3","7","9","4","7","1") = "8"
    & skf18("7","3","7","9","4","8","1") = "8"
    & skf18("7","3","7","9","4","9","1") = "8"
    & skf18("7","3","7","9","4","10","1") = "9"
    & skf18("7","3","7","9","5","1","1") = "8"
    & skf18("7","3","7","9","5","2","1") = "8"
    & skf18("7","3","7","9","5","3","1") = "8"
    & skf18("7","3","7","9","5","4","1") = "8"
    & skf18("7","3","7","9","5","5","1") = "8"
    & skf18("7","3","7","9","5","6","1") = "8"
    & skf18("7","3","7","9","5","7","1") = "8"
    & skf18("7","3","7","9","5","8","1") = "8"
    & skf18("7","3","7","9","5","9","1") = "8"
    & skf18("7","3","7","9","5","10","1") = "9"
    & skf18("7","3","7","9","6","1","1") = "8"
    & skf18("7","3","7","9","6","2","1") = "8"
    & skf18("7","3","7","9","6","3","1") = "8"
    & skf18("7","3","7","9","6","4","1") = "8"
    & skf18("7","3","7","9","6","5","1") = "8"
    & skf18("7","3","7","9","6","6","1") = "8"
    & skf18("7","3","7","9","6","7","1") = "8"
    & skf18("7","3","7","9","6","8","1") = "8"
    & skf18("7","3","7","9","6","9","1") = "8"
    & skf18("7","3","7","9","6","10","1") = "9"
    & skf18("7","3","7","9","7","1","1") = "8"
    & skf18("7","3","7","9","7","2","1") = "8"
    & skf18("7","3","7","9","7","3","1") = "8"
    & skf18("7","3","7","9","7","4","1") = "8"
    & skf18("7","3","7","9","7","5","1") = "8"
    & skf18("7","3","7","9","7","6","1") = "8"
    & skf18("7","3","7","9","7","7","1") = "8"
    & skf18("7","3","7","9","7","8","1") = "8"
    & skf18("7","3","7","9","7","9","1") = "8"
    & skf18("7","3","7","9","7","10","1") = "9"
    & skf18("7","3","7","9","8","1","1") = "8"
    & skf18("7","3","7","9","8","2","1") = "8"
    & skf18("7","3","7","9","8","3","1") = "8"
    & skf18("7","3","7","9","8","4","1") = "8"
    & skf18("7","3","7","9","8","5","1") = "8"
    & skf18("7","3","7","9","8","6","1") = "8"
    & skf18("7","3","7","9","8","7","1") = "8"
    & skf18("7","3","7","9","8","8","1") = "8"
    & skf18("7","3","7","9","8","9","1") = "8"
    & skf18("7","3","7","9","8","10","1") = "9"
    & skf18("7","3","7","9","9","1","1") = "8"
    & skf18("7","3","7","9","9","2","1") = "8"
    & skf18("7","3","7","9","9","3","1") = "8"
    & skf18("7","3","7","9","9","4","1") = "8"
    & skf18("7","3","7","9","9","5","1") = "8"
    & skf18("7","3","7","9","9","6","1") = "8"
    & skf18("7","3","7","9","9","7","1") = "8"
    & skf18("7","3","7","9","9","8","1") = "8"
    & skf18("7","3","7","9","9","9","1") = "8"
    & skf18("7","3","7","9","9","10","1") = "9"
    & skf18("7","3","7","9","10","1","1") = "9"
    & skf18("7","3","7","9","10","2","1") = "9"
    & skf18("7","3","7","9","10","3","1") = "9"
    & skf18("7","3","7","9","10","4","1") = "9"
    & skf18("7","3","7","9","10","5","1") = "9"
    & skf18("7","3","7","9","10","6","1") = "9"
    & skf18("7","3","7","9","10","7","1") = "9"
    & skf18("7","3","7","9","10","8","1") = "9"
    & skf18("7","3","7","9","10","9","1") = "9"
    & skf18("7","3","7","9","10","10","1") = "9"
    & skf18("7","3","7","10","1","1","1") = "9"
    & skf18("7","3","7","10","1","2","1") = "9"
    & skf18("7","3","7","10","1","3","1") = "9"
    & skf18("7","3","7","10","1","4","1") = "9"
    & skf18("7","3","7","10","1","5","1") = "9"
    & skf18("7","3","7","10","1","6","1") = "9"
    & skf18("7","3","7","10","1","7","1") = "9"
    & skf18("7","3","7","10","1","8","1") = "9"
    & skf18("7","3","7","10","1","9","1") = "9"
    & skf18("7","3","7","10","1","10","1") = "9"
    & skf18("7","3","7","10","2","1","1") = "9"
    & skf18("7","3","7","10","2","2","1") = "9"
    & skf18("7","3","7","10","2","3","1") = "9"
    & skf18("7","3","7","10","2","4","1") = "9"
    & skf18("7","3","7","10","2","5","1") = "9"
    & skf18("7","3","7","10","2","6","1") = "9"
    & skf18("7","3","7","10","2","7","1") = "9"
    & skf18("7","3","7","10","2","8","1") = "9"
    & skf18("7","3","7","10","2","9","1") = "9"
    & skf18("7","3","7","10","2","10","1") = "9"
    & skf18("7","3","7","10","3","1","1") = "9"
    & skf18("7","3","7","10","3","2","1") = "9"
    & skf18("7","3","7","10","3","3","1") = "9"
    & skf18("7","3","7","10","3","4","1") = "9"
    & skf18("7","3","7","10","3","5","1") = "9"
    & skf18("7","3","7","10","3","6","1") = "9"
    & skf18("7","3","7","10","3","7","1") = "9"
    & skf18("7","3","7","10","3","8","1") = "9"
    & skf18("7","3","7","10","3","9","1") = "9"
    & skf18("7","3","7","10","3","10","1") = "9"
    & skf18("7","3","7","10","4","1","1") = "9"
    & skf18("7","3","7","10","4","2","1") = "9"
    & skf18("7","3","7","10","4","3","1") = "9"
    & skf18("7","3","7","10","4","4","1") = "9"
    & skf18("7","3","7","10","4","5","1") = "9"
    & skf18("7","3","7","10","4","6","1") = "9"
    & skf18("7","3","7","10","4","7","1") = "9"
    & skf18("7","3","7","10","4","8","1") = "9"
    & skf18("7","3","7","10","4","9","1") = "9"
    & skf18("7","3","7","10","4","10","1") = "9"
    & skf18("7","3","7","10","5","1","1") = "9"
    & skf18("7","3","7","10","5","2","1") = "9"
    & skf18("7","3","7","10","5","3","1") = "9"
    & skf18("7","3","7","10","5","4","1") = "9"
    & skf18("7","3","7","10","5","5","1") = "9"
    & skf18("7","3","7","10","5","6","1") = "9"
    & skf18("7","3","7","10","5","7","1") = "9"
    & skf18("7","3","7","10","5","8","1") = "9"
    & skf18("7","3","7","10","5","9","1") = "9"
    & skf18("7","3","7","10","5","10","1") = "9"
    & skf18("7","3","7","10","6","1","1") = "9"
    & skf18("7","3","7","10","6","2","1") = "9"
    & skf18("7","3","7","10","6","3","1") = "9"
    & skf18("7","3","7","10","6","4","1") = "9"
    & skf18("7","3","7","10","6","5","1") = "9"
    & skf18("7","3","7","10","6","6","1") = "9"
    & skf18("7","3","7","10","6","7","1") = "9"
    & skf18("7","3","7","10","6","8","1") = "9"
    & skf18("7","3","7","10","6","9","1") = "9"
    & skf18("7","3","7","10","6","10","1") = "9"
    & skf18("7","3","7","10","7","1","1") = "9"
    & skf18("7","3","7","10","7","2","1") = "9"
    & skf18("7","3","7","10","7","3","1") = "9"
    & skf18("7","3","7","10","7","4","1") = "9"
    & skf18("7","3","7","10","7","5","1") = "9"
    & skf18("7","3","7","10","7","6","1") = "9"
    & skf18("7","3","7","10","7","7","1") = "9"
    & skf18("7","3","7","10","7","8","1") = "9"
    & skf18("7","3","7","10","7","9","1") = "9"
    & skf18("7","3","7","10","7","10","1") = "9"
    & skf18("7","3","7","10","8","1","1") = "9"
    & skf18("7","3","7","10","8","2","1") = "9"
    & skf18("7","3","7","10","8","3","1") = "9"
    & skf18("7","3","7","10","8","4","1") = "9"
    & skf18("7","3","7","10","8","5","1") = "9"
    & skf18("7","3","7","10","8","6","1") = "9"
    & skf18("7","3","7","10","8","7","1") = "9"
    & skf18("7","3","7","10","8","8","1") = "9"
    & skf18("7","3","7","10","8","9","1") = "9"
    & skf18("7","3","7","10","8","10","1") = "9"
    & skf18("7","3","7","10","9","1","1") = "9"
    & skf18("7","3","7","10","9","2","1") = "9"
    & skf18("7","3","7","10","9","3","1") = "9"
    & skf18("7","3","7","10","9","4","1") = "9"
    & skf18("7","3","7","10","9","5","1") = "9"
    & skf18("7","3","7","10","9","6","1") = "9"
    & skf18("7","3","7","10","9","7","1") = "9"
    & skf18("7","3","7","10","9","8","1") = "9"
    & skf18("7","3","7","10","9","9","1") = "9"
    & skf18("7","3","7","10","9","10","1") = "9"
    & skf18("7","3","7","10","10","1","1") = "9"
    & skf18("7","3","7","10","10","2","1") = "9"
    & skf18("7","3","7","10","10","3","1") = "9"
    & skf18("7","3","7","10","10","4","1") = "9"
    & skf18("7","3","7","10","10","5","1") = "9"
    & skf18("7","3","7","10","10","6","1") = "9"
    & skf18("7","3","7","10","10","7","1") = "9"
    & skf18("7","3","7","10","10","8","1") = "9"
    & skf18("7","3","7","10","10","9","1") = "9"
    & skf18("7","3","7","10","10","10","1") = "9"
    & skf18("7","3","8","1","1","1","1") = "7"
    & skf18("7","3","8","1","1","2","1") = "7"
    & skf18("7","3","8","1","1","3","1") = "7"
    & skf18("7","3","8","1","1","4","1") = "7"
    & skf18("7","3","8","1","1","5","1") = "7"
    & skf18("7","3","8","1","1","6","1") = "7"
    & skf18("7","3","8","1","1","7","1") = "7"
    & skf18("7","3","8","1","1","8","1") = "7"
    & skf18("7","3","8","1","1","9","1") = "8"
    & skf18("7","3","8","1","1","10","1") = "9"
    & skf18("7","3","8","1","2","1","1") = "7"
    & skf18("7","3","8","1","2","2","1") = "7"
    & skf18("7","3","8","1","2","3","1") = "7"
    & skf18("7","3","8","1","2","4","1") = "7"
    & skf18("7","3","8","1","2","5","1") = "7"
    & skf18("7","3","8","1","2","6","1") = "7"
    & skf18("7","3","8","1","2","7","1") = "7"
    & skf18("7","3","8","1","2","8","1") = "7"
    & skf18("7","3","8","1","2","9","1") = "8"
    & skf18("7","3","8","1","2","10","1") = "9"
    & skf18("7","3","8","1","3","1","1") = "7"
    & skf18("7","3","8","1","3","2","1") = "7"
    & skf18("7","3","8","1","3","3","1") = "7"
    & skf18("7","3","8","1","3","4","1") = "7"
    & skf18("7","3","8","1","3","5","1") = "7"
    & skf18("7","3","8","1","3","6","1") = "7"
    & skf18("7","3","8","1","3","7","1") = "7"
    & skf18("7","3","8","1","3","8","1") = "7"
    & skf18("7","3","8","1","3","9","1") = "8"
    & skf18("7","3","8","1","3","10","1") = "9"
    & skf18("7","3","8","1","4","1","1") = "7"
    & skf18("7","3","8","1","4","2","1") = "7"
    & skf18("7","3","8","1","4","3","1") = "7"
    & skf18("7","3","8","1","4","4","1") = "7"
    & skf18("7","3","8","1","4","5","1") = "7"
    & skf18("7","3","8","1","4","6","1") = "7"
    & skf18("7","3","8","1","4","7","1") = "7"
    & skf18("7","3","8","1","4","8","1") = "7"
    & skf18("7","3","8","1","4","9","1") = "8"
    & skf18("7","3","8","1","4","10","1") = "9"
    & skf18("7","3","8","1","5","1","1") = "7"
    & skf18("7","3","8","1","5","2","1") = "7"
    & skf18("7","3","8","1","5","3","1") = "7"
    & skf18("7","3","8","1","5","4","1") = "7"
    & skf18("7","3","8","1","5","5","1") = "7"
    & skf18("7","3","8","1","5","6","1") = "7"
    & skf18("7","3","8","1","5","7","1") = "7"
    & skf18("7","3","8","1","5","8","1") = "7"
    & skf18("7","3","8","1","5","9","1") = "8"
    & skf18("7","3","8","1","5","10","1") = "9"
    & skf18("7","3","8","1","6","1","1") = "7"
    & skf18("7","3","8","1","6","2","1") = "7"
    & skf18("7","3","8","1","6","3","1") = "7"
    & skf18("7","3","8","1","6","4","1") = "7"
    & skf18("7","3","8","1","6","5","1") = "7"
    & skf18("7","3","8","1","6","6","1") = "7"
    & skf18("7","3","8","1","6","7","1") = "7"
    & skf18("7","3","8","1","6","8","1") = "7"
    & skf18("7","3","8","1","6","9","1") = "8"
    & skf18("7","3","8","1","6","10","1") = "9"
    & skf18("7","3","8","1","7","1","1") = "7"
    & skf18("7","3","8","1","7","2","1") = "7"
    & skf18("7","3","8","1","7","3","1") = "7"
    & skf18("7","3","8","1","7","4","1") = "7"
    & skf18("7","3","8","1","7","5","1") = "7"
    & skf18("7","3","8","1","7","6","1") = "7"
    & skf18("7","3","8","1","7","7","1") = "7"
    & skf18("7","3","8","1","7","8","1") = "7"
    & skf18("7","3","8","1","7","9","1") = "8"
    & skf18("7","3","8","1","7","10","1") = "9"
    & skf18("7","3","8","1","8","1","1") = "7"
    & skf18("7","3","8","1","8","2","1") = "7"
    & skf18("7","3","8","1","8","3","1") = "7"
    & skf18("7","3","8","1","8","4","1") = "7"
    & skf18("7","3","8","1","8","5","1") = "7"
    & skf18("7","3","8","1","8","6","1") = "7"
    & skf18("7","3","8","1","8","7","1") = "7"
    & skf18("7","3","8","1","8","8","1") = "7"
    & skf18("7","3","8","1","8","9","1") = "8"
    & skf18("7","3","8","1","8","10","1") = "9"
    & skf18("7","3","8","1","9","1","1") = "8"
    & skf18("7","3","8","1","9","2","1") = "8"
    & skf18("7","3","8","1","9","3","1") = "8"
    & skf18("7","3","8","1","9","4","1") = "8"
    & skf18("7","3","8","1","9","5","1") = "8"
    & skf18("7","3","8","1","9","6","1") = "8"
    & skf18("7","3","8","1","9","7","1") = "8"
    & skf18("7","3","8","1","9","8","1") = "8"
    & skf18("7","3","8","1","9","9","1") = "8"
    & skf18("7","3","8","1","9","10","1") = "9"
    & skf18("7","3","8","1","10","1","1") = "9"
    & skf18("7","3","8","1","10","2","1") = "9"
    & skf18("7","3","8","1","10","3","1") = "9"
    & skf18("7","3","8","1","10","4","1") = "9"
    & skf18("7","3","8","1","10","5","1") = "9"
    & skf18("7","3","8","1","10","6","1") = "9"
    & skf18("7","3","8","1","10","7","1") = "9"
    & skf18("7","3","8","1","10","8","1") = "9"
    & skf18("7","3","8","1","10","9","1") = "9"
    & skf18("7","3","8","1","10","10","1") = "9"
    & skf18("7","3","8","2","1","1","1") = "7"
    & skf18("7","3","8","2","1","2","1") = "7"
    & skf18("7","3","8","2","1","3","1") = "7"
    & skf18("7","3","8","2","1","4","1") = "7"
    & skf18("7","3","8","2","1","5","1") = "7"
    & skf18("7","3","8","2","1","6","1") = "7"
    & skf18("7","3","8","2","1","7","1") = "7"
    & skf18("7","3","8","2","1","8","1") = "7"
    & skf18("7","3","8","2","1","9","1") = "8"
    & skf18("7","3","8","2","1","10","1") = "9"
    & skf18("7","3","8","2","2","1","1") = "7"
    & skf18("7","3","8","2","2","2","1") = "7"
    & skf18("7","3","8","2","2","3","1") = "7"
    & skf18("7","3","8","2","2","4","1") = "7"
    & skf18("7","3","8","2","2","5","1") = "7"
    & skf18("7","3","8","2","2","6","1") = "7"
    & skf18("7","3","8","2","2","7","1") = "7"
    & skf18("7","3","8","2","2","8","1") = "7"
    & skf18("7","3","8","2","2","9","1") = "8"
    & skf18("7","3","8","2","2","10","1") = "9"
    & skf18("7","3","8","2","3","1","1") = "7"
    & skf18("7","3","8","2","3","2","1") = "7"
    & skf18("7","3","8","2","3","3","1") = "7"
    & skf18("7","3","8","2","3","4","1") = "7"
    & skf18("7","3","8","2","3","5","1") = "7"
    & skf18("7","3","8","2","3","6","1") = "7"
    & skf18("7","3","8","2","3","7","1") = "7"
    & skf18("7","3","8","2","3","8","1") = "7"
    & skf18("7","3","8","2","3","9","1") = "8"
    & skf18("7","3","8","2","3","10","1") = "9"
    & skf18("7","3","8","2","4","1","1") = "7"
    & skf18("7","3","8","2","4","2","1") = "7"
    & skf18("7","3","8","2","4","3","1") = "7"
    & skf18("7","3","8","2","4","4","1") = "7"
    & skf18("7","3","8","2","4","5","1") = "7"
    & skf18("7","3","8","2","4","6","1") = "7"
    & skf18("7","3","8","2","4","7","1") = "7"
    & skf18("7","3","8","2","4","8","1") = "7"
    & skf18("7","3","8","2","4","9","1") = "8"
    & skf18("7","3","8","2","4","10","1") = "9"
    & skf18("7","3","8","2","5","1","1") = "7"
    & skf18("7","3","8","2","5","2","1") = "7"
    & skf18("7","3","8","2","5","3","1") = "7"
    & skf18("7","3","8","2","5","4","1") = "7"
    & skf18("7","3","8","2","5","5","1") = "7"
    & skf18("7","3","8","2","5","6","1") = "7"
    & skf18("7","3","8","2","5","7","1") = "7"
    & skf18("7","3","8","2","5","8","1") = "7"
    & skf18("7","3","8","2","5","9","1") = "8"
    & skf18("7","3","8","2","5","10","1") = "9"
    & skf18("7","3","8","2","6","1","1") = "7"
    & skf18("7","3","8","2","6","2","1") = "7"
    & skf18("7","3","8","2","6","3","1") = "7"
    & skf18("7","3","8","2","6","4","1") = "7"
    & skf18("7","3","8","2","6","5","1") = "7"
    & skf18("7","3","8","2","6","6","1") = "7"
    & skf18("7","3","8","2","6","7","1") = "7"
    & skf18("7","3","8","2","6","8","1") = "7"
    & skf18("7","3","8","2","6","9","1") = "8"
    & skf18("7","3","8","2","6","10","1") = "9"
    & skf18("7","3","8","2","7","1","1") = "7"
    & skf18("7","3","8","2","7","2","1") = "7"
    & skf18("7","3","8","2","7","3","1") = "7"
    & skf18("7","3","8","2","7","4","1") = "7"
    & skf18("7","3","8","2","7","5","1") = "7"
    & skf18("7","3","8","2","7","6","1") = "7"
    & skf18("7","3","8","2","7","7","1") = "7"
    & skf18("7","3","8","2","7","8","1") = "7"
    & skf18("7","3","8","2","7","9","1") = "8"
    & skf18("7","3","8","2","7","10","1") = "9"
    & skf18("7","3","8","2","8","1","1") = "7"
    & skf18("7","3","8","2","8","2","1") = "7"
    & skf18("7","3","8","2","8","3","1") = "7"
    & skf18("7","3","8","2","8","4","1") = "7"
    & skf18("7","3","8","2","8","5","1") = "7"
    & skf18("7","3","8","2","8","6","1") = "7"
    & skf18("7","3","8","2","8","7","1") = "7"
    & skf18("7","3","8","2","8","8","1") = "7"
    & skf18("7","3","8","2","8","9","1") = "8"
    & skf18("7","3","8","2","8","10","1") = "9"
    & skf18("7","3","8","2","9","1","1") = "8"
    & skf18("7","3","8","2","9","2","1") = "8"
    & skf18("7","3","8","2","9","3","1") = "8"
    & skf18("7","3","8","2","9","4","1") = "8"
    & skf18("7","3","8","2","9","5","1") = "8"
    & skf18("7","3","8","2","9","6","1") = "8"
    & skf18("7","3","8","2","9","7","1") = "8"
    & skf18("7","3","8","2","9","8","1") = "8"
    & skf18("7","3","8","2","9","9","1") = "8"
    & skf18("7","3","8","2","9","10","1") = "9"
    & skf18("7","3","8","2","10","1","1") = "9"
    & skf18("7","3","8","2","10","2","1") = "9"
    & skf18("7","3","8","2","10","3","1") = "9"
    & skf18("7","3","8","2","10","4","1") = "9"
    & skf18("7","3","8","2","10","5","1") = "9"
    & skf18("7","3","8","2","10","6","1") = "9"
    & skf18("7","3","8","2","10","7","1") = "9"
    & skf18("7","3","8","2","10","8","1") = "9"
    & skf18("7","3","8","2","10","9","1") = "9"
    & skf18("7","3","8","2","10","10","1") = "9"
    & skf18("7","3","8","3","1","1","1") = "7"
    & skf18("7","3","8","3","1","2","1") = "7"
    & skf18("7","3","8","3","1","3","1") = "7"
    & skf18("7","3","8","3","1","4","1") = "7"
    & skf18("7","3","8","3","1","5","1") = "7"
    & skf18("7","3","8","3","1","6","1") = "7"
    & skf18("7","3","8","3","1","7","1") = "7"
    & skf18("7","3","8","3","1","8","1") = "7"
    & skf18("7","3","8","3","1","9","1") = "8"
    & skf18("7","3","8","3","1","10","1") = "9"
    & skf18("7","3","8","3","2","1","1") = "7"
    & skf18("7","3","8","3","2","2","1") = "7"
    & skf18("7","3","8","3","2","3","1") = "7"
    & skf18("7","3","8","3","2","4","1") = "7"
    & skf18("7","3","8","3","2","5","1") = "7"
    & skf18("7","3","8","3","2","6","1") = "7"
    & skf18("7","3","8","3","2","7","1") = "7"
    & skf18("7","3","8","3","2","8","1") = "7"
    & skf18("7","3","8","3","2","9","1") = "8"
    & skf18("7","3","8","3","2","10","1") = "9"
    & skf18("7","3","8","3","3","1","1") = "7"
    & skf18("7","3","8","3","3","2","1") = "7"
    & skf18("7","3","8","3","3","3","1") = "7"
    & skf18("7","3","8","3","3","4","1") = "7"
    & skf18("7","3","8","3","3","5","1") = "7"
    & skf18("7","3","8","3","3","6","1") = "7"
    & skf18("7","3","8","3","3","7","1") = "7"
    & skf18("7","3","8","3","3","8","1") = "7"
    & skf18("7","3","8","3","3","9","1") = "8"
    & skf18("7","3","8","3","3","10","1") = "9"
    & skf18("7","3","8","3","4","1","1") = "7"
    & skf18("7","3","8","3","4","2","1") = "7"
    & skf18("7","3","8","3","4","3","1") = "7"
    & skf18("7","3","8","3","4","4","1") = "7"
    & skf18("7","3","8","3","4","5","1") = "7"
    & skf18("7","3","8","3","4","6","1") = "7"
    & skf18("7","3","8","3","4","7","1") = "7"
    & skf18("7","3","8","3","4","8","1") = "7"
    & skf18("7","3","8","3","4","9","1") = "8"
    & skf18("7","3","8","3","4","10","1") = "9"
    & skf18("7","3","8","3","5","1","1") = "7"
    & skf18("7","3","8","3","5","2","1") = "7"
    & skf18("7","3","8","3","5","3","1") = "7"
    & skf18("7","3","8","3","5","4","1") = "7"
    & skf18("7","3","8","3","5","5","1") = "7"
    & skf18("7","3","8","3","5","6","1") = "7"
    & skf18("7","3","8","3","5","7","1") = "7"
    & skf18("7","3","8","3","5","8","1") = "7"
    & skf18("7","3","8","3","5","9","1") = "8"
    & skf18("7","3","8","3","5","10","1") = "9"
    & skf18("7","3","8","3","6","1","1") = "7"
    & skf18("7","3","8","3","6","2","1") = "7"
    & skf18("7","3","8","3","6","3","1") = "7"
    & skf18("7","3","8","3","6","4","1") = "7"
    & skf18("7","3","8","3","6","5","1") = "7"
    & skf18("7","3","8","3","6","6","1") = "7"
    & skf18("7","3","8","3","6","7","1") = "7"
    & skf18("7","3","8","3","6","8","1") = "7"
    & skf18("7","3","8","3","6","9","1") = "8"
    & skf18("7","3","8","3","6","10","1") = "9"
    & skf18("7","3","8","3","7","1","1") = "7"
    & skf18("7","3","8","3","7","2","1") = "7"
    & skf18("7","3","8","3","7","3","1") = "7"
    & skf18("7","3","8","3","7","4","1") = "7"
    & skf18("7","3","8","3","7","5","1") = "7"
    & skf18("7","3","8","3","7","6","1") = "7"
    & skf18("7","3","8","3","7","7","1") = "7"
    & skf18("7","3","8","3","7","8","1") = "7"
    & skf18("7","3","8","3","7","9","1") = "8"
    & skf18("7","3","8","3","7","10","1") = "9"
    & skf18("7","3","8","3","8","1","1") = "7"
    & skf18("7","3","8","3","8","2","1") = "7"
    & skf18("7","3","8","3","8","3","1") = "7"
    & skf18("7","3","8","3","8","4","1") = "7"
    & skf18("7","3","8","3","8","5","1") = "7"
    & skf18("7","3","8","3","8","6","1") = "7"
    & skf18("7","3","8","3","8","7","1") = "7"
    & skf18("7","3","8","3","8","8","1") = "7"
    & skf18("7","3","8","3","8","9","1") = "8"
    & skf18("7","3","8","3","8","10","1") = "9"
    & skf18("7","3","8","3","9","1","1") = "8"
    & skf18("7","3","8","3","9","2","1") = "8"
    & skf18("7","3","8","3","9","3","1") = "8"
    & skf18("7","3","8","3","9","4","1") = "8"
    & skf18("7","3","8","3","9","5","1") = "8"
    & skf18("7","3","8","3","9","6","1") = "8"
    & skf18("7","3","8","3","9","7","1") = "8"
    & skf18("7","3","8","3","9","8","1") = "8"
    & skf18("7","3","8","3","9","9","1") = "8"
    & skf18("7","3","8","3","9","10","1") = "9"
    & skf18("7","3","8","3","10","1","1") = "9"
    & skf18("7","3","8","3","10","2","1") = "9"
    & skf18("7","3","8","3","10","3","1") = "9"
    & skf18("7","3","8","3","10","4","1") = "9"
    & skf18("7","3","8","3","10","5","1") = "9"
    & skf18("7","3","8","3","10","6","1") = "9"
    & skf18("7","3","8","3","10","7","1") = "9"
    & skf18("7","3","8","3","10","8","1") = "9"
    & skf18("7","3","8","3","10","9","1") = "9"
    & skf18("7","3","8","3","10","10","1") = "9"
    & skf18("7","3","8","4","1","1","1") = "7"
    & skf18("7","3","8","4","1","2","1") = "7"
    & skf18("7","3","8","4","1","3","1") = "7"
    & skf18("7","3","8","4","1","4","1") = "7"
    & skf18("7","3","8","4","1","5","1") = "7"
    & skf18("7","3","8","4","1","6","1") = "7"
    & skf18("7","3","8","4","1","7","1") = "7"
    & skf18("7","3","8","4","1","8","1") = "7"
    & skf18("7","3","8","4","1","9","1") = "8"
    & skf18("7","3","8","4","1","10","1") = "9"
    & skf18("7","3","8","4","2","1","1") = "7"
    & skf18("7","3","8","4","2","2","1") = "7"
    & skf18("7","3","8","4","2","3","1") = "7"
    & skf18("7","3","8","4","2","4","1") = "7"
    & skf18("7","3","8","4","2","5","1") = "7"
    & skf18("7","3","8","4","2","6","1") = "7"
    & skf18("7","3","8","4","2","7","1") = "7"
    & skf18("7","3","8","4","2","8","1") = "7"
    & skf18("7","3","8","4","2","9","1") = "8"
    & skf18("7","3","8","4","2","10","1") = "9"
    & skf18("7","3","8","4","3","1","1") = "7"
    & skf18("7","3","8","4","3","2","1") = "7"
    & skf18("7","3","8","4","3","3","1") = "7"
    & skf18("7","3","8","4","3","4","1") = "7"
    & skf18("7","3","8","4","3","5","1") = "7"
    & skf18("7","3","8","4","3","6","1") = "7"
    & skf18("7","3","8","4","3","7","1") = "7"
    & skf18("7","3","8","4","3","8","1") = "7"
    & skf18("7","3","8","4","3","9","1") = "8"
    & skf18("7","3","8","4","3","10","1") = "9"
    & skf18("7","3","8","4","4","1","1") = "7"
    & skf18("7","3","8","4","4","2","1") = "7"
    & skf18("7","3","8","4","4","3","1") = "7"
    & skf18("7","3","8","4","4","4","1") = "7"
    & skf18("7","3","8","4","4","5","1") = "7"
    & skf18("7","3","8","4","4","6","1") = "7"
    & skf18("7","3","8","4","4","7","1") = "7"
    & skf18("7","3","8","4","4","8","1") = "7"
    & skf18("7","3","8","4","4","9","1") = "8"
    & skf18("7","3","8","4","4","10","1") = "9"
    & skf18("7","3","8","4","5","1","1") = "7"
    & skf18("7","3","8","4","5","2","1") = "7"
    & skf18("7","3","8","4","5","3","1") = "7"
    & skf18("7","3","8","4","5","4","1") = "7"
    & skf18("7","3","8","4","5","5","1") = "7"
    & skf18("7","3","8","4","5","6","1") = "7"
    & skf18("7","3","8","4","5","7","1") = "7"
    & skf18("7","3","8","4","5","8","1") = "7"
    & skf18("7","3","8","4","5","9","1") = "8"
    & skf18("7","3","8","4","5","10","1") = "9"
    & skf18("7","3","8","4","6","1","1") = "7"
    & skf18("7","3","8","4","6","2","1") = "7"
    & skf18("7","3","8","4","6","3","1") = "7"
    & skf18("7","3","8","4","6","4","1") = "7"
    & skf18("7","3","8","4","6","5","1") = "7"
    & skf18("7","3","8","4","6","6","1") = "7"
    & skf18("7","3","8","4","6","7","1") = "7"
    & skf18("7","3","8","4","6","8","1") = "7"
    & skf18("7","3","8","4","6","9","1") = "8"
    & skf18("7","3","8","4","6","10","1") = "9"
    & skf18("7","3","8","4","7","1","1") = "7"
    & skf18("7","3","8","4","7","2","1") = "7"
    & skf18("7","3","8","4","7","3","1") = "7"
    & skf18("7","3","8","4","7","4","1") = "7"
    & skf18("7","3","8","4","7","5","1") = "7"
    & skf18("7","3","8","4","7","6","1") = "7"
    & skf18("7","3","8","4","7","7","1") = "7"
    & skf18("7","3","8","4","7","8","1") = "7"
    & skf18("7","3","8","4","7","9","1") = "8"
    & skf18("7","3","8","4","7","10","1") = "9"
    & skf18("7","3","8","4","8","1","1") = "7"
    & skf18("7","3","8","4","8","2","1") = "7"
    & skf18("7","3","8","4","8","3","1") = "7"
    & skf18("7","3","8","4","8","4","1") = "7"
    & skf18("7","3","8","4","8","5","1") = "7"
    & skf18("7","3","8","4","8","6","1") = "7"
    & skf18("7","3","8","4","8","7","1") = "7"
    & skf18("7","3","8","4","8","8","1") = "7"
    & skf18("7","3","8","4","8","9","1") = "8"
    & skf18("7","3","8","4","8","10","1") = "9"
    & skf18("7","3","8","4","9","1","1") = "8"
    & skf18("7","3","8","4","9","2","1") = "8"
    & skf18("7","3","8","4","9","3","1") = "8"
    & skf18("7","3","8","4","9","4","1") = "8"
    & skf18("7","3","8","4","9","5","1") = "8"
    & skf18("7","3","8","4","9","6","1") = "8"
    & skf18("7","3","8","4","9","7","1") = "8"
    & skf18("7","3","8","4","9","8","1") = "8"
    & skf18("7","3","8","4","9","9","1") = "8"
    & skf18("7","3","8","4","9","10","1") = "9"
    & skf18("7","3","8","4","10","1","1") = "9"
    & skf18("7","3","8","4","10","2","1") = "9"
    & skf18("7","3","8","4","10","3","1") = "9"
    & skf18("7","3","8","4","10","4","1") = "9"
    & skf18("7","3","8","4","10","5","1") = "9"
    & skf18("7","3","8","4","10","6","1") = "9"
    & skf18("7","3","8","4","10","7","1") = "9"
    & skf18("7","3","8","4","10","8","1") = "9"
    & skf18("7","3","8","4","10","9","1") = "9"
    & skf18("7","3","8","4","10","10","1") = "9"
    & skf18("7","3","8","5","1","1","1") = "7"
    & skf18("7","3","8","5","1","2","1") = "7"
    & skf18("7","3","8","5","1","3","1") = "7"
    & skf18("7","3","8","5","1","4","1") = "7"
    & skf18("7","3","8","5","1","5","1") = "7"
    & skf18("7","3","8","5","1","6","1") = "7"
    & skf18("7","3","8","5","1","7","1") = "7"
    & skf18("7","3","8","5","1","8","1") = "7"
    & skf18("7","3","8","5","1","9","1") = "8"
    & skf18("7","3","8","5","1","10","1") = "9"
    & skf18("7","3","8","5","2","1","1") = "7"
    & skf18("7","3","8","5","2","2","1") = "7"
    & skf18("7","3","8","5","2","3","1") = "7"
    & skf18("7","3","8","5","2","4","1") = "7"
    & skf18("7","3","8","5","2","5","1") = "7"
    & skf18("7","3","8","5","2","6","1") = "7"
    & skf18("7","3","8","5","2","7","1") = "7"
    & skf18("7","3","8","5","2","8","1") = "7"
    & skf18("7","3","8","5","2","9","1") = "8"
    & skf18("7","3","8","5","2","10","1") = "9"
    & skf18("7","3","8","5","3","1","1") = "7"
    & skf18("7","3","8","5","3","2","1") = "7"
    & skf18("7","3","8","5","3","3","1") = "7"
    & skf18("7","3","8","5","3","4","1") = "7"
    & skf18("7","3","8","5","3","5","1") = "7"
    & skf18("7","3","8","5","3","6","1") = "7"
    & skf18("7","3","8","5","3","7","1") = "7"
    & skf18("7","3","8","5","3","8","1") = "7"
    & skf18("7","3","8","5","3","9","1") = "8"
    & skf18("7","3","8","5","3","10","1") = "9"
    & skf18("7","3","8","5","4","1","1") = "7"
    & skf18("7","3","8","5","4","2","1") = "7"
    & skf18("7","3","8","5","4","3","1") = "7"
    & skf18("7","3","8","5","4","4","1") = "7"
    & skf18("7","3","8","5","4","5","1") = "7"
    & skf18("7","3","8","5","4","6","1") = "7"
    & skf18("7","3","8","5","4","7","1") = "7"
    & skf18("7","3","8","5","4","8","1") = "7"
    & skf18("7","3","8","5","4","9","1") = "8"
    & skf18("7","3","8","5","4","10","1") = "9"
    & skf18("7","3","8","5","5","1","1") = "7"
    & skf18("7","3","8","5","5","2","1") = "7"
    & skf18("7","3","8","5","5","3","1") = "7"
    & skf18("7","3","8","5","5","4","1") = "7"
    & skf18("7","3","8","5","5","5","1") = "7"
    & skf18("7","3","8","5","5","6","1") = "7"
    & skf18("7","3","8","5","5","7","1") = "7"
    & skf18("7","3","8","5","5","8","1") = "7"
    & skf18("7","3","8","5","5","9","1") = "8"
    & skf18("7","3","8","5","5","10","1") = "9"
    & skf18("7","3","8","5","6","1","1") = "7"
    & skf18("7","3","8","5","6","2","1") = "7"
    & skf18("7","3","8","5","6","3","1") = "7"
    & skf18("7","3","8","5","6","4","1") = "7"
    & skf18("7","3","8","5","6","5","1") = "7"
    & skf18("7","3","8","5","6","6","1") = "7"
    & skf18("7","3","8","5","6","7","1") = "7"
    & skf18("7","3","8","5","6","8","1") = "7"
    & skf18("7","3","8","5","6","9","1") = "8"
    & skf18("7","3","8","5","6","10","1") = "9"
    & skf18("7","3","8","5","7","1","1") = "7"
    & skf18("7","3","8","5","7","2","1") = "7"
    & skf18("7","3","8","5","7","3","1") = "7"
    & skf18("7","3","8","5","7","4","1") = "7"
    & skf18("7","3","8","5","7","5","1") = "7"
    & skf18("7","3","8","5","7","6","1") = "7"
    & skf18("7","3","8","5","7","7","1") = "7"
    & skf18("7","3","8","5","7","8","1") = "7"
    & skf18("7","3","8","5","7","9","1") = "8"
    & skf18("7","3","8","5","7","10","1") = "9"
    & skf18("7","3","8","5","8","1","1") = "7"
    & skf18("7","3","8","5","8","2","1") = "7"
    & skf18("7","3","8","5","8","3","1") = "7"
    & skf18("7","3","8","5","8","4","1") = "7"
    & skf18("7","3","8","5","8","5","1") = "7"
    & skf18("7","3","8","5","8","6","1") = "7"
    & skf18("7","3","8","5","8","7","1") = "7"
    & skf18("7","3","8","5","8","8","1") = "7"
    & skf18("7","3","8","5","8","9","1") = "8"
    & skf18("7","3","8","5","8","10","1") = "9"
    & skf18("7","3","8","5","9","1","1") = "8"
    & skf18("7","3","8","5","9","2","1") = "8"
    & skf18("7","3","8","5","9","3","1") = "8"
    & skf18("7","3","8","5","9","4","1") = "8"
    & skf18("7","3","8","5","9","5","1") = "8"
    & skf18("7","3","8","5","9","6","1") = "8"
    & skf18("7","3","8","5","9","7","1") = "8"
    & skf18("7","3","8","5","9","8","1") = "8"
    & skf18("7","3","8","5","9","9","1") = "8"
    & skf18("7","3","8","5","9","10","1") = "9"
    & skf18("7","3","8","5","10","1","1") = "9"
    & skf18("7","3","8","5","10","2","1") = "9"
    & skf18("7","3","8","5","10","3","1") = "9"
    & skf18("7","3","8","5","10","4","1") = "9"
    & skf18("7","3","8","5","10","5","1") = "9"
    & skf18("7","3","8","5","10","6","1") = "9"
    & skf18("7","3","8","5","10","7","1") = "9"
    & skf18("7","3","8","5","10","8","1") = "9"
    & skf18("7","3","8","5","10","9","1") = "9"
    & skf18("7","3","8","5","10","10","1") = "9"
    & skf18("7","3","8","6","1","1","1") = "7"
    & skf18("7","3","8","6","1","2","1") = "7"
    & skf18("7","3","8","6","1","3","1") = "7"
    & skf18("7","3","8","6","1","4","1") = "7"
    & skf18("7","3","8","6","1","5","1") = "7"
    & skf18("7","3","8","6","1","6","1") = "7"
    & skf18("7","3","8","6","1","7","1") = "7"
    & skf18("7","3","8","6","1","8","1") = "7"
    & skf18("7","3","8","6","1","9","1") = "8"
    & skf18("7","3","8","6","1","10","1") = "9"
    & skf18("7","3","8","6","2","1","1") = "7"
    & skf18("7","3","8","6","2","2","1") = "7"
    & skf18("7","3","8","6","2","3","1") = "7"
    & skf18("7","3","8","6","2","4","1") = "7"
    & skf18("7","3","8","6","2","5","1") = "7"
    & skf18("7","3","8","6","2","6","1") = "7"
    & skf18("7","3","8","6","2","7","1") = "7"
    & skf18("7","3","8","6","2","8","1") = "7"
    & skf18("7","3","8","6","2","9","1") = "8"
    & skf18("7","3","8","6","2","10","1") = "9"
    & skf18("7","3","8","6","3","1","1") = "7"
    & skf18("7","3","8","6","3","2","1") = "7"
    & skf18("7","3","8","6","3","3","1") = "7"
    & skf18("7","3","8","6","3","4","1") = "7"
    & skf18("7","3","8","6","3","5","1") = "7"
    & skf18("7","3","8","6","3","6","1") = "7"
    & skf18("7","3","8","6","3","7","1") = "7"
    & skf18("7","3","8","6","3","8","1") = "7"
    & skf18("7","3","8","6","3","9","1") = "8"
    & skf18("7","3","8","6","3","10","1") = "9"
    & skf18("7","3","8","6","4","1","1") = "7"
    & skf18("7","3","8","6","4","2","1") = "7"
    & skf18("7","3","8","6","4","3","1") = "7"
    & skf18("7","3","8","6","4","4","1") = "7"
    & skf18("7","3","8","6","4","5","1") = "7"
    & skf18("7","3","8","6","4","6","1") = "7"
    & skf18("7","3","8","6","4","7","1") = "7"
    & skf18("7","3","8","6","4","8","1") = "7"
    & skf18("7","3","8","6","4","9","1") = "8"
    & skf18("7","3","8","6","4","10","1") = "9"
    & skf18("7","3","8","6","5","1","1") = "7"
    & skf18("7","3","8","6","5","2","1") = "7"
    & skf18("7","3","8","6","5","3","1") = "7"
    & skf18("7","3","8","6","5","4","1") = "7"
    & skf18("7","3","8","6","5","5","1") = "7"
    & skf18("7","3","8","6","5","6","1") = "7"
    & skf18("7","3","8","6","5","7","1") = "7"
    & skf18("7","3","8","6","5","8","1") = "7"
    & skf18("7","3","8","6","5","9","1") = "8"
    & skf18("7","3","8","6","5","10","1") = "9"
    & skf18("7","3","8","6","6","1","1") = "7"
    & skf18("7","3","8","6","6","2","1") = "7"
    & skf18("7","3","8","6","6","3","1") = "7"
    & skf18("7","3","8","6","6","4","1") = "7"
    & skf18("7","3","8","6","6","5","1") = "7"
    & skf18("7","3","8","6","6","6","1") = "7"
    & skf18("7","3","8","6","6","7","1") = "7"
    & skf18("7","3","8","6","6","8","1") = "7"
    & skf18("7","3","8","6","6","9","1") = "8"
    & skf18("7","3","8","6","6","10","1") = "9"
    & skf18("7","3","8","6","7","1","1") = "7"
    & skf18("7","3","8","6","7","2","1") = "7"
    & skf18("7","3","8","6","7","3","1") = "7"
    & skf18("7","3","8","6","7","4","1") = "7"
    & skf18("7","3","8","6","7","5","1") = "7"
    & skf18("7","3","8","6","7","6","1") = "7"
    & skf18("7","3","8","6","7","7","1") = "7"
    & skf18("7","3","8","6","7","8","1") = "7"
    & skf18("7","3","8","6","7","9","1") = "8"
    & skf18("7","3","8","6","7","10","1") = "9"
    & skf18("7","3","8","6","8","1","1") = "7"
    & skf18("7","3","8","6","8","2","1") = "7"
    & skf18("7","3","8","6","8","3","1") = "7"
    & skf18("7","3","8","6","8","4","1") = "7"
    & skf18("7","3","8","6","8","5","1") = "7"
    & skf18("7","3","8","6","8","6","1") = "7"
    & skf18("7","3","8","6","8","7","1") = "7"
    & skf18("7","3","8","6","8","8","1") = "7"
    & skf18("7","3","8","6","8","9","1") = "8"
    & skf18("7","3","8","6","8","10","1") = "9"
    & skf18("7","3","8","6","9","1","1") = "8"
    & skf18("7","3","8","6","9","2","1") = "8"
    & skf18("7","3","8","6","9","3","1") = "8"
    & skf18("7","3","8","6","9","4","1") = "8"
    & skf18("7","3","8","6","9","5","1") = "8"
    & skf18("7","3","8","6","9","6","1") = "8"
    & skf18("7","3","8","6","9","7","1") = "8"
    & skf18("7","3","8","6","9","8","1") = "8"
    & skf18("7","3","8","6","9","9","1") = "8"
    & skf18("7","3","8","6","9","10","1") = "9"
    & skf18("7","3","8","6","10","1","1") = "9"
    & skf18("7","3","8","6","10","2","1") = "9"
    & skf18("7","3","8","6","10","3","1") = "9"
    & skf18("7","3","8","6","10","4","1") = "9"
    & skf18("7","3","8","6","10","5","1") = "9"
    & skf18("7","3","8","6","10","6","1") = "9"
    & skf18("7","3","8","6","10","7","1") = "9"
    & skf18("7","3","8","6","10","8","1") = "9"
    & skf18("7","3","8","6","10","9","1") = "9"
    & skf18("7","3","8","6","10","10","1") = "9"
    & skf18("7","3","8","7","1","1","1") = "7"
    & skf18("7","3","8","7","1","2","1") = "7"
    & skf18("7","3","8","7","1","3","1") = "7"
    & skf18("7","3","8","7","1","4","1") = "7"
    & skf18("7","3","8","7","1","5","1") = "7"
    & skf18("7","3","8","7","1","6","1") = "7"
    & skf18("7","3","8","7","1","7","1") = "7"
    & skf18("7","3","8","7","1","8","1") = "7"
    & skf18("7","3","8","7","1","9","1") = "8"
    & skf18("7","3","8","7","1","10","1") = "9"
    & skf18("7","3","8","7","2","1","1") = "7"
    & skf18("7","3","8","7","2","2","1") = "7"
    & skf18("7","3","8","7","2","3","1") = "7"
    & skf18("7","3","8","7","2","4","1") = "7"
    & skf18("7","3","8","7","2","5","1") = "7"
    & skf18("7","3","8","7","2","6","1") = "7"
    & skf18("7","3","8","7","2","7","1") = "7"
    & skf18("7","3","8","7","2","8","1") = "7"
    & skf18("7","3","8","7","2","9","1") = "8"
    & skf18("7","3","8","7","2","10","1") = "9"
    & skf18("7","3","8","7","3","1","1") = "7"
    & skf18("7","3","8","7","3","2","1") = "7"
    & skf18("7","3","8","7","3","3","1") = "7"
    & skf18("7","3","8","7","3","4","1") = "7"
    & skf18("7","3","8","7","3","5","1") = "7"
    & skf18("7","3","8","7","3","6","1") = "7"
    & skf18("7","3","8","7","3","7","1") = "7"
    & skf18("7","3","8","7","3","8","1") = "7"
    & skf18("7","3","8","7","3","9","1") = "8"
    & skf18("7","3","8","7","3","10","1") = "9"
    & skf18("7","3","8","7","4","1","1") = "7"
    & skf18("7","3","8","7","4","2","1") = "7"
    & skf18("7","3","8","7","4","3","1") = "7"
    & skf18("7","3","8","7","4","4","1") = "7"
    & skf18("7","3","8","7","4","5","1") = "7"
    & skf18("7","3","8","7","4","6","1") = "7"
    & skf18("7","3","8","7","4","7","1") = "7"
    & skf18("7","3","8","7","4","8","1") = "7"
    & skf18("7","3","8","7","4","9","1") = "8"
    & skf18("7","3","8","7","4","10","1") = "9"
    & skf18("7","3","8","7","5","1","1") = "7"
    & skf18("7","3","8","7","5","2","1") = "7"
    & skf18("7","3","8","7","5","3","1") = "7"
    & skf18("7","3","8","7","5","4","1") = "7"
    & skf18("7","3","8","7","5","5","1") = "7"
    & skf18("7","3","8","7","5","6","1") = "7"
    & skf18("7","3","8","7","5","7","1") = "7"
    & skf18("7","3","8","7","5","8","1") = "7"
    & skf18("7","3","8","7","5","9","1") = "8"
    & skf18("7","3","8","7","5","10","1") = "9"
    & skf18("7","3","8","7","6","1","1") = "7"
    & skf18("7","3","8","7","6","2","1") = "7"
    & skf18("7","3","8","7","6","3","1") = "7"
    & skf18("7","3","8","7","6","4","1") = "7"
    & skf18("7","3","8","7","6","5","1") = "7"
    & skf18("7","3","8","7","6","6","1") = "7"
    & skf18("7","3","8","7","6","7","1") = "7"
    & skf18("7","3","8","7","6","8","1") = "7"
    & skf18("7","3","8","7","6","9","1") = "8"
    & skf18("7","3","8","7","6","10","1") = "9"
    & skf18("7","3","8","7","7","1","1") = "7"
    & skf18("7","3","8","7","7","2","1") = "7"
    & skf18("7","3","8","7","7","3","1") = "7"
    & skf18("7","3","8","7","7","4","1") = "7"
    & skf18("7","3","8","7","7","5","1") = "7"
    & skf18("7","3","8","7","7","6","1") = "7"
    & skf18("7","3","8","7","7","7","1") = "7"
    & skf18("7","3","8","7","7","8","1") = "7"
    & skf18("7","3","8","7","7","9","1") = "8"
    & skf18("7","3","8","7","7","10","1") = "9"
    & skf18("7","3","8","7","8","1","1") = "7"
    & skf18("7","3","8","7","8","2","1") = "7"
    & skf18("7","3","8","7","8","3","1") = "7"
    & skf18("7","3","8","7","8","4","1") = "7"
    & skf18("7","3","8","7","8","5","1") = "7"
    & skf18("7","3","8","7","8","6","1") = "7"
    & skf18("7","3","8","7","8","7","1") = "7"
    & skf18("7","3","8","7","8","8","1") = "7"
    & skf18("7","3","8","7","8","9","1") = "8"
    & skf18("7","3","8","7","8","10","1") = "9"
    & skf18("7","3","8","7","9","1","1") = "8"
    & skf18("7","3","8","7","9","2","1") = "8"
    & skf18("7","3","8","7","9","3","1") = "8"
    & skf18("7","3","8","7","9","4","1") = "8"
    & skf18("7","3","8","7","9","5","1") = "8"
    & skf18("7","3","8","7","9","6","1") = "8"
    & skf18("7","3","8","7","9","7","1") = "8"
    & skf18("7","3","8","7","9","8","1") = "8"
    & skf18("7","3","8","7","9","9","1") = "8"
    & skf18("7","3","8","7","9","10","1") = "9"
    & skf18("7","3","8","7","10","1","1") = "9"
    & skf18("7","3","8","7","10","2","1") = "9"
    & skf18("7","3","8","7","10","3","1") = "9"
    & skf18("7","3","8","7","10","4","1") = "9"
    & skf18("7","3","8","7","10","5","1") = "9"
    & skf18("7","3","8","7","10","6","1") = "9"
    & skf18("7","3","8","7","10","7","1") = "9"
    & skf18("7","3","8","7","10","8","1") = "9"
    & skf18("7","3","8","7","10","9","1") = "9"
    & skf18("7","3","8","7","10","10","1") = "9"
    & skf18("7","3","8","8","1","1","1") = "7"
    & skf18("7","3","8","8","1","2","1") = "7"
    & skf18("7","3","8","8","1","3","1") = "7"
    & skf18("7","3","8","8","1","4","1") = "7"
    & skf18("7","3","8","8","1","5","1") = "7"
    & skf18("7","3","8","8","1","6","1") = "7"
    & skf18("7","3","8","8","1","7","1") = "7"
    & skf18("7","3","8","8","1","8","1") = "7"
    & skf18("7","3","8","8","1","9","1") = "8"
    & skf18("7","3","8","8","1","10","1") = "9"
    & skf18("7","3","8","8","2","1","1") = "7"
    & skf18("7","3","8","8","2","2","1") = "7"
    & skf18("7","3","8","8","2","3","1") = "7"
    & skf18("7","3","8","8","2","4","1") = "7"
    & skf18("7","3","8","8","2","5","1") = "7"
    & skf18("7","3","8","8","2","6","1") = "7"
    & skf18("7","3","8","8","2","7","1") = "7"
    & skf18("7","3","8","8","2","8","1") = "7"
    & skf18("7","3","8","8","2","9","1") = "8"
    & skf18("7","3","8","8","2","10","1") = "9"
    & skf18("7","3","8","8","3","1","1") = "7"
    & skf18("7","3","8","8","3","2","1") = "7"
    & skf18("7","3","8","8","3","3","1") = "7"
    & skf18("7","3","8","8","3","4","1") = "7"
    & skf18("7","3","8","8","3","5","1") = "7"
    & skf18("7","3","8","8","3","6","1") = "7"
    & skf18("7","3","8","8","3","7","1") = "7"
    & skf18("7","3","8","8","3","8","1") = "7"
    & skf18("7","3","8","8","3","9","1") = "8"
    & skf18("7","3","8","8","3","10","1") = "9"
    & skf18("7","3","8","8","4","1","1") = "7"
    & skf18("7","3","8","8","4","2","1") = "7"
    & skf18("7","3","8","8","4","3","1") = "7"
    & skf18("7","3","8","8","4","4","1") = "7"
    & skf18("7","3","8","8","4","5","1") = "7"
    & skf18("7","3","8","8","4","6","1") = "7"
    & skf18("7","3","8","8","4","7","1") = "7"
    & skf18("7","3","8","8","4","8","1") = "7"
    & skf18("7","3","8","8","4","9","1") = "8"
    & skf18("7","3","8","8","4","10","1") = "9"
    & skf18("7","3","8","8","5","1","1") = "7"
    & skf18("7","3","8","8","5","2","1") = "7"
    & skf18("7","3","8","8","5","3","1") = "7"
    & skf18("7","3","8","8","5","4","1") = "7"
    & skf18("7","3","8","8","5","5","1") = "7"
    & skf18("7","3","8","8","5","6","1") = "7"
    & skf18("7","3","8","8","5","7","1") = "7"
    & skf18("7","3","8","8","5","8","1") = "7"
    & skf18("7","3","8","8","5","9","1") = "8"
    & skf18("7","3","8","8","5","10","1") = "9"
    & skf18("7","3","8","8","6","1","1") = "7"
    & skf18("7","3","8","8","6","2","1") = "7"
    & skf18("7","3","8","8","6","3","1") = "7"
    & skf18("7","3","8","8","6","4","1") = "7"
    & skf18("7","3","8","8","6","5","1") = "7"
    & skf18("7","3","8","8","6","6","1") = "7"
    & skf18("7","3","8","8","6","7","1") = "7"
    & skf18("7","3","8","8","6","8","1") = "7"
    & skf18("7","3","8","8","6","9","1") = "8"
    & skf18("7","3","8","8","6","10","1") = "9"
    & skf18("7","3","8","8","7","1","1") = "7"
    & skf18("7","3","8","8","7","2","1") = "7"
    & skf18("7","3","8","8","7","3","1") = "7"
    & skf18("7","3","8","8","7","4","1") = "7"
    & skf18("7","3","8","8","7","5","1") = "7"
    & skf18("7","3","8","8","7","6","1") = "7"
    & skf18("7","3","8","8","7","7","1") = "7"
    & skf18("7","3","8","8","7","8","1") = "7"
    & skf18("7","3","8","8","7","9","1") = "8"
    & skf18("7","3","8","8","7","10","1") = "9"
    & skf18("7","3","8","8","8","1","1") = "7"
    & skf18("7","3","8","8","8","2","1") = "7"
    & skf18("7","3","8","8","8","3","1") = "7"
    & skf18("7","3","8","8","8","4","1") = "7"
    & skf18("7","3","8","8","8","5","1") = "7"
    & skf18("7","3","8","8","8","6","1") = "7"
    & skf18("7","3","8","8","8","7","1") = "7"
    & skf18("7","3","8","8","8","8","1") = "7"
    & skf18("7","3","8","8","8","9","1") = "8"
    & skf18("7","3","8","8","8","10","1") = "9"
    & skf18("7","3","8","8","9","1","1") = "8"
    & skf18("7","3","8","8","9","2","1") = "8"
    & skf18("7","3","8","8","9","3","1") = "8"
    & skf18("7","3","8","8","9","4","1") = "8"
    & skf18("7","3","8","8","9","5","1") = "8"
    & skf18("7","3","8","8","9","6","1") = "8"
    & skf18("7","3","8","8","9","7","1") = "8"
    & skf18("7","3","8","8","9","8","1") = "8"
    & skf18("7","3","8","8","9","9","1") = "8"
    & skf18("7","3","8","8","9","10","1") = "9"
    & skf18("7","3","8","8","10","1","1") = "9"
    & skf18("7","3","8","8","10","2","1") = "9"
    & skf18("7","3","8","8","10","3","1") = "9"
    & skf18("7","3","8","8","10","4","1") = "9"
    & skf18("7","3","8","8","10","5","1") = "9"
    & skf18("7","3","8","8","10","6","1") = "9"
    & skf18("7","3","8","8","10","7","1") = "9"
    & skf18("7","3","8","8","10","8","1") = "9"
    & skf18("7","3","8","8","10","9","1") = "9"
    & skf18("7","3","8","8","10","10","1") = "9"
    & skf18("7","3","8","9","1","1","1") = "8"
    & skf18("7","3","8","9","1","2","1") = "8"
    & skf18("7","3","8","9","1","3","1") = "8"
    & skf18("7","3","8","9","1","4","1") = "8"
    & skf18("7","3","8","9","1","5","1") = "8"
    & skf18("7","3","8","9","1","6","1") = "8"
    & skf18("7","3","8","9","1","7","1") = "8"
    & skf18("7","3","8","9","1","8","1") = "8"
    & skf18("7","3","8","9","1","9","1") = "8"
    & skf18("7","3","8","9","1","10","1") = "9"
    & skf18("7","3","8","9","2","1","1") = "8"
    & skf18("7","3","8","9","2","2","1") = "8"
    & skf18("7","3","8","9","2","3","1") = "8"
    & skf18("7","3","8","9","2","4","1") = "8"
    & skf18("7","3","8","9","2","5","1") = "8"
    & skf18("7","3","8","9","2","6","1") = "8"
    & skf18("7","3","8","9","2","7","1") = "8"
    & skf18("7","3","8","9","2","8","1") = "8"
    & skf18("7","3","8","9","2","9","1") = "8"
    & skf18("7","3","8","9","2","10","1") = "9"
    & skf18("7","3","8","9","3","1","1") = "8"
    & skf18("7","3","8","9","3","2","1") = "8"
    & skf18("7","3","8","9","3","3","1") = "8"
    & skf18("7","3","8","9","3","4","1") = "8"
    & skf18("7","3","8","9","3","5","1") = "8"
    & skf18("7","3","8","9","3","6","1") = "8"
    & skf18("7","3","8","9","3","7","1") = "8"
    & skf18("7","3","8","9","3","8","1") = "8"
    & skf18("7","3","8","9","3","9","1") = "8"
    & skf18("7","3","8","9","3","10","1") = "9"
    & skf18("7","3","8","9","4","1","1") = "8"
    & skf18("7","3","8","9","4","2","1") = "8"
    & skf18("7","3","8","9","4","3","1") = "8"
    & skf18("7","3","8","9","4","4","1") = "8"
    & skf18("7","3","8","9","4","5","1") = "8"
    & skf18("7","3","8","9","4","6","1") = "8"
    & skf18("7","3","8","9","4","7","1") = "8"
    & skf18("7","3","8","9","4","8","1") = "8"
    & skf18("7","3","8","9","4","9","1") = "8"
    & skf18("7","3","8","9","4","10","1") = "9"
    & skf18("7","3","8","9","5","1","1") = "8"
    & skf18("7","3","8","9","5","2","1") = "8"
    & skf18("7","3","8","9","5","3","1") = "8"
    & skf18("7","3","8","9","5","4","1") = "8"
    & skf18("7","3","8","9","5","5","1") = "8"
    & skf18("7","3","8","9","5","6","1") = "8"
    & skf18("7","3","8","9","5","7","1") = "8"
    & skf18("7","3","8","9","5","8","1") = "8"
    & skf18("7","3","8","9","5","9","1") = "8"
    & skf18("7","3","8","9","5","10","1") = "9"
    & skf18("7","3","8","9","6","1","1") = "8"
    & skf18("7","3","8","9","6","2","1") = "8"
    & skf18("7","3","8","9","6","3","1") = "8"
    & skf18("7","3","8","9","6","4","1") = "8"
    & skf18("7","3","8","9","6","5","1") = "8"
    & skf18("7","3","8","9","6","6","1") = "8"
    & skf18("7","3","8","9","6","7","1") = "8"
    & skf18("7","3","8","9","6","8","1") = "8"
    & skf18("7","3","8","9","6","9","1") = "8"
    & skf18("7","3","8","9","6","10","1") = "9"
    & skf18("7","3","8","9","7","1","1") = "8"
    & skf18("7","3","8","9","7","2","1") = "8"
    & skf18("7","3","8","9","7","3","1") = "8"
    & skf18("7","3","8","9","7","4","1") = "8"
    & skf18("7","3","8","9","7","5","1") = "8"
    & skf18("7","3","8","9","7","6","1") = "8"
    & skf18("7","3","8","9","7","7","1") = "8"
    & skf18("7","3","8","9","7","8","1") = "8"
    & skf18("7","3","8","9","7","9","1") = "8"
    & skf18("7","3","8","9","7","10","1") = "9"
    & skf18("7","3","8","9","8","1","1") = "8"
    & skf18("7","3","8","9","8","2","1") = "8"
    & skf18("7","3","8","9","8","3","1") = "8"
    & skf18("7","3","8","9","8","4","1") = "8"
    & skf18("7","3","8","9","8","5","1") = "8"
    & skf18("7","3","8","9","8","6","1") = "8"
    & skf18("7","3","8","9","8","7","1") = "8"
    & skf18("7","3","8","9","8","8","1") = "8"
    & skf18("7","3","8","9","8","9","1") = "8"
    & skf18("7","3","8","9","8","10","1") = "9"
    & skf18("7","3","8","9","9","1","1") = "8"
    & skf18("7","3","8","9","9","2","1") = "8"
    & skf18("7","3","8","9","9","3","1") = "8"
    & skf18("7","3","8","9","9","4","1") = "8"
    & skf18("7","3","8","9","9","5","1") = "8"
    & skf18("7","3","8","9","9","6","1") = "8"
    & skf18("7","3","8","9","9","7","1") = "8"
    & skf18("7","3","8","9","9","8","1") = "8"
    & skf18("7","3","8","9","9","9","1") = "8"
    & skf18("7","3","8","9","9","10","1") = "9"
    & skf18("7","3","8","9","10","1","1") = "9"
    & skf18("7","3","8","9","10","2","1") = "9"
    & skf18("7","3","8","9","10","3","1") = "9"
    & skf18("7","3","8","9","10","4","1") = "9"
    & skf18("7","3","8","9","10","5","1") = "9"
    & skf18("7","3","8","9","10","6","1") = "9"
    & skf18("7","3","8","9","10","7","1") = "9"
    & skf18("7","3","8","9","10","8","1") = "9"
    & skf18("7","3","8","9","10","9","1") = "9"
    & skf18("7","3","8","9","10","10","1") = "9"
    & skf18("7","3","8","10","1","1","1") = "9"
    & skf18("7","3","8","10","1","2","1") = "9"
    & skf18("7","3","8","10","1","3","1") = "9"
    & skf18("7","3","8","10","1","4","1") = "9"
    & skf18("7","3","8","10","1","5","1") = "9"
    & skf18("7","3","8","10","1","6","1") = "9"
    & skf18("7","3","8","10","1","7","1") = "9"
    & skf18("7","3","8","10","1","8","1") = "9"
    & skf18("7","3","8","10","1","9","1") = "9"
    & skf18("7","3","8","10","1","10","1") = "9"
    & skf18("7","3","8","10","2","1","1") = "9"
    & skf18("7","3","8","10","2","2","1") = "9"
    & skf18("7","3","8","10","2","3","1") = "9"
    & skf18("7","3","8","10","2","4","1") = "9"
    & skf18("7","3","8","10","2","5","1") = "9"
    & skf18("7","3","8","10","2","6","1") = "9"
    & skf18("7","3","8","10","2","7","1") = "9"
    & skf18("7","3","8","10","2","8","1") = "9"
    & skf18("7","3","8","10","2","9","1") = "9"
    & skf18("7","3","8","10","2","10","1") = "9"
    & skf18("7","3","8","10","3","1","1") = "9"
    & skf18("7","3","8","10","3","2","1") = "9"
    & skf18("7","3","8","10","3","3","1") = "9"
    & skf18("7","3","8","10","3","4","1") = "9"
    & skf18("7","3","8","10","3","5","1") = "9"
    & skf18("7","3","8","10","3","6","1") = "9"
    & skf18("7","3","8","10","3","7","1") = "9"
    & skf18("7","3","8","10","3","8","1") = "9"
    & skf18("7","3","8","10","3","9","1") = "9"
    & skf18("7","3","8","10","3","10","1") = "9"
    & skf18("7","3","8","10","4","1","1") = "9"
    & skf18("7","3","8","10","4","2","1") = "9"
    & skf18("7","3","8","10","4","3","1") = "9"
    & skf18("7","3","8","10","4","4","1") = "9"
    & skf18("7","3","8","10","4","5","1") = "9"
    & skf18("7","3","8","10","4","6","1") = "9"
    & skf18("7","3","8","10","4","7","1") = "9"
    & skf18("7","3","8","10","4","8","1") = "9"
    & skf18("7","3","8","10","4","9","1") = "9"
    & skf18("7","3","8","10","4","10","1") = "9"
    & skf18("7","3","8","10","5","1","1") = "9"
    & skf18("7","3","8","10","5","2","1") = "9"
    & skf18("7","3","8","10","5","3","1") = "9"
    & skf18("7","3","8","10","5","4","1") = "9"
    & skf18("7","3","8","10","5","5","1") = "9"
    & skf18("7","3","8","10","5","6","1") = "9"
    & skf18("7","3","8","10","5","7","1") = "9"
    & skf18("7","3","8","10","5","8","1") = "9"
    & skf18("7","3","8","10","5","9","1") = "9"
    & skf18("7","3","8","10","5","10","1") = "9"
    & skf18("7","3","8","10","6","1","1") = "9"
    & skf18("7","3","8","10","6","2","1") = "9"
    & skf18("7","3","8","10","6","3","1") = "9"
    & skf18("7","3","8","10","6","4","1") = "9"
    & skf18("7","3","8","10","6","5","1") = "9"
    & skf18("7","3","8","10","6","6","1") = "9"
    & skf18("7","3","8","10","6","7","1") = "9"
    & skf18("7","3","8","10","6","8","1") = "9"
    & skf18("7","3","8","10","6","9","1") = "9"
    & skf18("7","3","8","10","6","10","1") = "9"
    & skf18("7","3","8","10","7","1","1") = "9"
    & skf18("7","3","8","10","7","2","1") = "9"
    & skf18("7","3","8","10","7","3","1") = "9"
    & skf18("7","3","8","10","7","4","1") = "9"
    & skf18("7","3","8","10","7","5","1") = "9"
    & skf18("7","3","8","10","7","6","1") = "9"
    & skf18("7","3","8","10","7","7","1") = "9"
    & skf18("7","3","8","10","7","8","1") = "9"
    & skf18("7","3","8","10","7","9","1") = "9"
    & skf18("7","3","8","10","7","10","1") = "9"
    & skf18("7","3","8","10","8","1","1") = "9"
    & skf18("7","3","8","10","8","2","1") = "9"
    & skf18("7","3","8","10","8","3","1") = "9"
    & skf18("7","3","8","10","8","4","1") = "9"
    & skf18("7","3","8","10","8","5","1") = "9"
    & skf18("7","3","8","10","8","6","1") = "9"
    & skf18("7","3","8","10","8","7","1") = "9"
    & skf18("7","3","8","10","8","8","1") = "9"
    & skf18("7","3","8","10","8","9","1") = "9"
    & skf18("7","3","8","10","8","10","1") = "9"
    & skf18("7","3","8","10","9","1","1") = "9"
    & skf18("7","3","8","10","9","2","1") = "9"
    & skf18("7","3","8","10","9","3","1") = "9"
    & skf18("7","3","8","10","9","4","1") = "9"
    & skf18("7","3","8","10","9","5","1") = "9"
    & skf18("7","3","8","10","9","6","1") = "9"
    & skf18("7","3","8","10","9","7","1") = "9"
    & skf18("7","3","8","10","9","8","1") = "9"
    & skf18("7","3","8","10","9","9","1") = "9"
    & skf18("7","3","8","10","9","10","1") = "9"
    & skf18("7","3","8","10","10","1","1") = "9"
    & skf18("7","3","8","10","10","2","1") = "9"
    & skf18("7","3","8","10","10","3","1") = "9"
    & skf18("7","3","8","10","10","4","1") = "9"
    & skf18("7","3","8","10","10","5","1") = "9"
    & skf18("7","3","8","10","10","6","1") = "9"
    & skf18("7","3","8","10","10","7","1") = "9"
    & skf18("7","3","8","10","10","8","1") = "9"
    & skf18("7","3","8","10","10","9","1") = "9"
    & skf18("7","3","8","10","10","10","1") = "9"
    & skf18("7","3","9","1","1","1","1") = "8"
    & skf18("7","3","9","1","1","2","1") = "8"
    & skf18("7","3","9","1","1","3","1") = "8"
    & skf18("7","3","9","1","1","4","1") = "8"
    & skf18("7","3","9","1","1","5","1") = "8"
    & skf18("7","3","9","1","1","6","1") = "8"
    & skf18("7","3","9","1","1","7","1") = "8"
    & skf18("7","3","9","1","1","8","1") = "8"
    & skf18("7","3","9","1","1","9","1") = "8"
    & skf18("7","3","9","1","1","10","1") = "9"
    & skf18("7","3","9","1","2","1","1") = "8"
    & skf18("7","3","9","1","2","2","1") = "8"
    & skf18("7","3","9","1","2","3","1") = "8"
    & skf18("7","3","9","1","2","4","1") = "8"
    & skf18("7","3","9","1","2","5","1") = "8"
    & skf18("7","3","9","1","2","6","1") = "8"
    & skf18("7","3","9","1","2","7","1") = "8"
    & skf18("7","3","9","1","2","8","1") = "8"
    & skf18("7","3","9","1","2","9","1") = "8"
    & skf18("7","3","9","1","2","10","1") = "9"
    & skf18("7","3","9","1","3","1","1") = "8"
    & skf18("7","3","9","1","3","2","1") = "8"
    & skf18("7","3","9","1","3","3","1") = "8"
    & skf18("7","3","9","1","3","4","1") = "8"
    & skf18("7","3","9","1","3","5","1") = "8"
    & skf18("7","3","9","1","3","6","1") = "8"
    & skf18("7","3","9","1","3","7","1") = "8"
    & skf18("7","3","9","1","3","8","1") = "8"
    & skf18("7","3","9","1","3","9","1") = "8"
    & skf18("7","3","9","1","3","10","1") = "9"
    & skf18("7","3","9","1","4","1","1") = "8"
    & skf18("7","3","9","1","4","2","1") = "8"
    & skf18("7","3","9","1","4","3","1") = "8"
    & skf18("7","3","9","1","4","4","1") = "8"
    & skf18("7","3","9","1","4","5","1") = "8"
    & skf18("7","3","9","1","4","6","1") = "8"
    & skf18("7","3","9","1","4","7","1") = "8"
    & skf18("7","3","9","1","4","8","1") = "8"
    & skf18("7","3","9","1","4","9","1") = "8"
    & skf18("7","3","9","1","4","10","1") = "9"
    & skf18("7","3","9","1","5","1","1") = "8"
    & skf18("7","3","9","1","5","2","1") = "8"
    & skf18("7","3","9","1","5","3","1") = "8"
    & skf18("7","3","9","1","5","4","1") = "8"
    & skf18("7","3","9","1","5","5","1") = "8"
    & skf18("7","3","9","1","5","6","1") = "8"
    & skf18("7","3","9","1","5","7","1") = "8"
    & skf18("7","3","9","1","5","8","1") = "8"
    & skf18("7","3","9","1","5","9","1") = "8"
    & skf18("7","3","9","1","5","10","1") = "9"
    & skf18("7","3","9","1","6","1","1") = "8"
    & skf18("7","3","9","1","6","2","1") = "8"
    & skf18("7","3","9","1","6","3","1") = "8"
    & skf18("7","3","9","1","6","4","1") = "8"
    & skf18("7","3","9","1","6","5","1") = "8"
    & skf18("7","3","9","1","6","6","1") = "8"
    & skf18("7","3","9","1","6","7","1") = "8"
    & skf18("7","3","9","1","6","8","1") = "8"
    & skf18("7","3","9","1","6","9","1") = "8"
    & skf18("7","3","9","1","6","10","1") = "9"
    & skf18("7","3","9","1","7","1","1") = "8"
    & skf18("7","3","9","1","7","2","1") = "8"
    & skf18("7","3","9","1","7","3","1") = "8"
    & skf18("7","3","9","1","7","4","1") = "8"
    & skf18("7","3","9","1","7","5","1") = "8"
    & skf18("7","3","9","1","7","6","1") = "8"
    & skf18("7","3","9","1","7","7","1") = "8"
    & skf18("7","3","9","1","7","8","1") = "8"
    & skf18("7","3","9","1","7","9","1") = "8"
    & skf18("7","3","9","1","7","10","1") = "9"
    & skf18("7","3","9","1","8","1","1") = "8"
    & skf18("7","3","9","1","8","2","1") = "8"
    & skf18("7","3","9","1","8","3","1") = "8"
    & skf18("7","3","9","1","8","4","1") = "8"
    & skf18("7","3","9","1","8","5","1") = "8"
    & skf18("7","3","9","1","8","6","1") = "8"
    & skf18("7","3","9","1","8","7","1") = "8"
    & skf18("7","3","9","1","8","8","1") = "8"
    & skf18("7","3","9","1","8","9","1") = "8"
    & skf18("7","3","9","1","8","10","1") = "9"
    & skf18("7","3","9","1","9","1","1") = "8"
    & skf18("7","3","9","1","9","2","1") = "8"
    & skf18("7","3","9","1","9","3","1") = "8"
    & skf18("7","3","9","1","9","4","1") = "8"
    & skf18("7","3","9","1","9","5","1") = "8"
    & skf18("7","3","9","1","9","6","1") = "8"
    & skf18("7","3","9","1","9","7","1") = "8"
    & skf18("7","3","9","1","9","8","1") = "8"
    & skf18("7","3","9","1","9","9","1") = "8"
    & skf18("7","3","9","1","9","10","1") = "9"
    & skf18("7","3","9","1","10","1","1") = "9"
    & skf18("7","3","9","1","10","2","1") = "9"
    & skf18("7","3","9","1","10","3","1") = "9"
    & skf18("7","3","9","1","10","4","1") = "9"
    & skf18("7","3","9","1","10","5","1") = "9"
    & skf18("7","3","9","1","10","6","1") = "9"
    & skf18("7","3","9","1","10","7","1") = "9"
    & skf18("7","3","9","1","10","8","1") = "9"
    & skf18("7","3","9","1","10","9","1") = "9"
    & skf18("7","3","9","1","10","10","1") = "9"
    & skf18("7","3","9","2","1","1","1") = "8"
    & skf18("7","3","9","2","1","2","1") = "8"
    & skf18("7","3","9","2","1","3","1") = "8"
    & skf18("7","3","9","2","1","4","1") = "8"
    & skf18("7","3","9","2","1","5","1") = "8"
    & skf18("7","3","9","2","1","6","1") = "8"
    & skf18("7","3","9","2","1","7","1") = "8"
    & skf18("7","3","9","2","1","8","1") = "8"
    & skf18("7","3","9","2","1","9","1") = "8"
    & skf18("7","3","9","2","1","10","1") = "9"
    & skf18("7","3","9","2","2","1","1") = "8"
    & skf18("7","3","9","2","2","2","1") = "8"
    & skf18("7","3","9","2","2","3","1") = "8"
    & skf18("7","3","9","2","2","4","1") = "8"
    & skf18("7","3","9","2","2","5","1") = "8"
    & skf18("7","3","9","2","2","6","1") = "8"
    & skf18("7","3","9","2","2","7","1") = "8"
    & skf18("7","3","9","2","2","8","1") = "8"
    & skf18("7","3","9","2","2","9","1") = "8"
    & skf18("7","3","9","2","2","10","1") = "9"
    & skf18("7","3","9","2","3","1","1") = "8"
    & skf18("7","3","9","2","3","2","1") = "8"
    & skf18("7","3","9","2","3","3","1") = "8"
    & skf18("7","3","9","2","3","4","1") = "8"
    & skf18("7","3","9","2","3","5","1") = "8"
    & skf18("7","3","9","2","3","6","1") = "8"
    & skf18("7","3","9","2","3","7","1") = "8"
    & skf18("7","3","9","2","3","8","1") = "8"
    & skf18("7","3","9","2","3","9","1") = "8"
    & skf18("7","3","9","2","3","10","1") = "9"
    & skf18("7","3","9","2","4","1","1") = "8"
    & skf18("7","3","9","2","4","2","1") = "8"
    & skf18("7","3","9","2","4","3","1") = "8"
    & skf18("7","3","9","2","4","4","1") = "8"
    & skf18("7","3","9","2","4","5","1") = "8"
    & skf18("7","3","9","2","4","6","1") = "8"
    & skf18("7","3","9","2","4","7","1") = "8"
    & skf18("7","3","9","2","4","8","1") = "8"
    & skf18("7","3","9","2","4","9","1") = "8"
    & skf18("7","3","9","2","4","10","1") = "9"
    & skf18("7","3","9","2","5","1","1") = "8"
    & skf18("7","3","9","2","5","2","1") = "8"
    & skf18("7","3","9","2","5","3","1") = "8"
    & skf18("7","3","9","2","5","4","1") = "8"
    & skf18("7","3","9","2","5","5","1") = "8"
    & skf18("7","3","9","2","5","6","1") = "8"
    & skf18("7","3","9","2","5","7","1") = "8"
    & skf18("7","3","9","2","5","8","1") = "8"
    & skf18("7","3","9","2","5","9","1") = "8"
    & skf18("7","3","9","2","5","10","1") = "9"
    & skf18("7","3","9","2","6","1","1") = "8"
    & skf18("7","3","9","2","6","2","1") = "8"
    & skf18("7","3","9","2","6","3","1") = "8"
    & skf18("7","3","9","2","6","4","1") = "8"
    & skf18("7","3","9","2","6","5","1") = "8"
    & skf18("7","3","9","2","6","6","1") = "8"
    & skf18("7","3","9","2","6","7","1") = "8"
    & skf18("7","3","9","2","6","8","1") = "8"
    & skf18("7","3","9","2","6","9","1") = "8"
    & skf18("7","3","9","2","6","10","1") = "9"
    & skf18("7","3","9","2","7","1","1") = "8"
    & skf18("7","3","9","2","7","2","1") = "8"
    & skf18("7","3","9","2","7","3","1") = "8"
    & skf18("7","3","9","2","7","4","1") = "8"
    & skf18("7","3","9","2","7","5","1") = "8"
    & skf18("7","3","9","2","7","6","1") = "8"
    & skf18("7","3","9","2","7","7","1") = "8"
    & skf18("7","3","9","2","7","8","1") = "8"
    & skf18("7","3","9","2","7","9","1") = "8"
    & skf18("7","3","9","2","7","10","1") = "9"
    & skf18("7","3","9","2","8","1","1") = "8"
    & skf18("7","3","9","2","8","2","1") = "8"
    & skf18("7","3","9","2","8","3","1") = "8"
    & skf18("7","3","9","2","8","4","1") = "8"
    & skf18("7","3","9","2","8","5","1") = "8"
    & skf18("7","3","9","2","8","6","1") = "8"
    & skf18("7","3","9","2","8","7","1") = "8"
    & skf18("7","3","9","2","8","8","1") = "8"
    & skf18("7","3","9","2","8","9","1") = "8"
    & skf18("7","3","9","2","8","10","1") = "9"
    & skf18("7","3","9","2","9","1","1") = "8"
    & skf18("7","3","9","2","9","2","1") = "8"
    & skf18("7","3","9","2","9","3","1") = "8"
    & skf18("7","3","9","2","9","4","1") = "8"
    & skf18("7","3","9","2","9","5","1") = "8"
    & skf18("7","3","9","2","9","6","1") = "8"
    & skf18("7","3","9","2","9","7","1") = "8"
    & skf18("7","3","9","2","9","8","1") = "8"
    & skf18("7","3","9","2","9","9","1") = "8"
    & skf18("7","3","9","2","9","10","1") = "9"
    & skf18("7","3","9","2","10","1","1") = "9"
    & skf18("7","3","9","2","10","2","1") = "9"
    & skf18("7","3","9","2","10","3","1") = "9"
    & skf18("7","3","9","2","10","4","1") = "9"
    & skf18("7","3","9","2","10","5","1") = "9"
    & skf18("7","3","9","2","10","6","1") = "9"
    & skf18("7","3","9","2","10","7","1") = "9"
    & skf18("7","3","9","2","10","8","1") = "9"
    & skf18("7","3","9","2","10","9","1") = "9"
    & skf18("7","3","9","2","10","10","1") = "9"
    & skf18("7","3","9","3","1","1","1") = "8"
    & skf18("7","3","9","3","1","2","1") = "8"
    & skf18("7","3","9","3","1","3","1") = "8"
    & skf18("7","3","9","3","1","4","1") = "8"
    & skf18("7","3","9","3","1","5","1") = "8"
    & skf18("7","3","9","3","1","6","1") = "8"
    & skf18("7","3","9","3","1","7","1") = "8"
    & skf18("7","3","9","3","1","8","1") = "8"
    & skf18("7","3","9","3","1","9","1") = "8"
    & skf18("7","3","9","3","1","10","1") = "9"
    & skf18("7","3","9","3","2","1","1") = "8"
    & skf18("7","3","9","3","2","2","1") = "8"
    & skf18("7","3","9","3","2","3","1") = "8"
    & skf18("7","3","9","3","2","4","1") = "8"
    & skf18("7","3","9","3","2","5","1") = "8"
    & skf18("7","3","9","3","2","6","1") = "8"
    & skf18("7","3","9","3","2","7","1") = "8"
    & skf18("7","3","9","3","2","8","1") = "8"
    & skf18("7","3","9","3","2","9","1") = "8"
    & skf18("7","3","9","3","2","10","1") = "9"
    & skf18("7","3","9","3","3","1","1") = "8"
    & skf18("7","3","9","3","3","2","1") = "8"
    & skf18("7","3","9","3","3","3","1") = "8"
    & skf18("7","3","9","3","3","4","1") = "8"
    & skf18("7","3","9","3","3","5","1") = "8"
    & skf18("7","3","9","3","3","6","1") = "8"
    & skf18("7","3","9","3","3","7","1") = "8"
    & skf18("7","3","9","3","3","8","1") = "8"
    & skf18("7","3","9","3","3","9","1") = "8"
    & skf18("7","3","9","3","3","10","1") = "9"
    & skf18("7","3","9","3","4","1","1") = "8"
    & skf18("7","3","9","3","4","2","1") = "8"
    & skf18("7","3","9","3","4","3","1") = "8"
    & skf18("7","3","9","3","4","4","1") = "8"
    & skf18("7","3","9","3","4","5","1") = "8"
    & skf18("7","3","9","3","4","6","1") = "8"
    & skf18("7","3","9","3","4","7","1") = "8"
    & skf18("7","3","9","3","4","8","1") = "8"
    & skf18("7","3","9","3","4","9","1") = "8"
    & skf18("7","3","9","3","4","10","1") = "9"
    & skf18("7","3","9","3","5","1","1") = "8"
    & skf18("7","3","9","3","5","2","1") = "8"
    & skf18("7","3","9","3","5","3","1") = "8"
    & skf18("7","3","9","3","5","4","1") = "8"
    & skf18("7","3","9","3","5","5","1") = "8"
    & skf18("7","3","9","3","5","6","1") = "8"
    & skf18("7","3","9","3","5","7","1") = "8"
    & skf18("7","3","9","3","5","8","1") = "8"
    & skf18("7","3","9","3","5","9","1") = "8"
    & skf18("7","3","9","3","5","10","1") = "9"
    & skf18("7","3","9","3","6","1","1") = "8"
    & skf18("7","3","9","3","6","2","1") = "8"
    & skf18("7","3","9","3","6","3","1") = "8"
    & skf18("7","3","9","3","6","4","1") = "8"
    & skf18("7","3","9","3","6","5","1") = "8"
    & skf18("7","3","9","3","6","6","1") = "8"
    & skf18("7","3","9","3","6","7","1") = "8"
    & skf18("7","3","9","3","6","8","1") = "8"
    & skf18("7","3","9","3","6","9","1") = "8"
    & skf18("7","3","9","3","6","10","1") = "9"
    & skf18("7","3","9","3","7","1","1") = "8"
    & skf18("7","3","9","3","7","2","1") = "8"
    & skf18("7","3","9","3","7","3","1") = "8"
    & skf18("7","3","9","3","7","4","1") = "8"
    & skf18("7","3","9","3","7","5","1") = "8"
    & skf18("7","3","9","3","7","6","1") = "8"
    & skf18("7","3","9","3","7","7","1") = "8"
    & skf18("7","3","9","3","7","8","1") = "8"
    & skf18("7","3","9","3","7","9","1") = "8"
    & skf18("7","3","9","3","7","10","1") = "9"
    & skf18("7","3","9","3","8","1","1") = "8"
    & skf18("7","3","9","3","8","2","1") = "8"
    & skf18("7","3","9","3","8","3","1") = "8"
    & skf18("7","3","9","3","8","4","1") = "8"
    & skf18("7","3","9","3","8","5","1") = "8"
    & skf18("7","3","9","3","8","6","1") = "8"
    & skf18("7","3","9","3","8","7","1") = "8"
    & skf18("7","3","9","3","8","8","1") = "8"
    & skf18("7","3","9","3","8","9","1") = "8"
    & skf18("7","3","9","3","8","10","1") = "9"
    & skf18("7","3","9","3","9","1","1") = "8"
    & skf18("7","3","9","3","9","2","1") = "8"
    & skf18("7","3","9","3","9","3","1") = "8"
    & skf18("7","3","9","3","9","4","1") = "8"
    & skf18("7","3","9","3","9","5","1") = "8"
    & skf18("7","3","9","3","9","6","1") = "8"
    & skf18("7","3","9","3","9","7","1") = "8"
    & skf18("7","3","9","3","9","8","1") = "8"
    & skf18("7","3","9","3","9","9","1") = "8"
    & skf18("7","3","9","3","9","10","1") = "9"
    & skf18("7","3","9","3","10","1","1") = "9"
    & skf18("7","3","9","3","10","2","1") = "9"
    & skf18("7","3","9","3","10","3","1") = "9"
    & skf18("7","3","9","3","10","4","1") = "9"
    & skf18("7","3","9","3","10","5","1") = "9"
    & skf18("7","3","9","3","10","6","1") = "9"
    & skf18("7","3","9","3","10","7","1") = "9"
    & skf18("7","3","9","3","10","8","1") = "9"
    & skf18("7","3","9","3","10","9","1") = "9"
    & skf18("7","3","9","3","10","10","1") = "9"
    & skf18("7","3","9","4","1","1","1") = "8"
    & skf18("7","3","9","4","1","2","1") = "8"
    & skf18("7","3","9","4","1","3","1") = "8"
    & skf18("7","3","9","4","1","4","1") = "8"
    & skf18("7","3","9","4","1","5","1") = "8"
    & skf18("7","3","9","4","1","6","1") = "8"
    & skf18("7","3","9","4","1","7","1") = "8"
    & skf18("7","3","9","4","1","8","1") = "8"
    & skf18("7","3","9","4","1","9","1") = "8"
    & skf18("7","3","9","4","1","10","1") = "9"
    & skf18("7","3","9","4","2","1","1") = "8"
    & skf18("7","3","9","4","2","2","1") = "8"
    & skf18("7","3","9","4","2","3","1") = "8"
    & skf18("7","3","9","4","2","4","1") = "8"
    & skf18("7","3","9","4","2","5","1") = "8"
    & skf18("7","3","9","4","2","6","1") = "8"
    & skf18("7","3","9","4","2","7","1") = "8"
    & skf18("7","3","9","4","2","8","1") = "8"
    & skf18("7","3","9","4","2","9","1") = "8"
    & skf18("7","3","9","4","2","10","1") = "9"
    & skf18("7","3","9","4","3","1","1") = "8"
    & skf18("7","3","9","4","3","2","1") = "8"
    & skf18("7","3","9","4","3","3","1") = "8"
    & skf18("7","3","9","4","3","4","1") = "8"
    & skf18("7","3","9","4","3","5","1") = "8"
    & skf18("7","3","9","4","3","6","1") = "8"
    & skf18("7","3","9","4","3","7","1") = "8"
    & skf18("7","3","9","4","3","8","1") = "8"
    & skf18("7","3","9","4","3","9","1") = "8"
    & skf18("7","3","9","4","3","10","1") = "9"
    & skf18("7","3","9","4","4","1","1") = "8"
    & skf18("7","3","9","4","4","2","1") = "8"
    & skf18("7","3","9","4","4","3","1") = "8"
    & skf18("7","3","9","4","4","4","1") = "8"
    & skf18("7","3","9","4","4","5","1") = "8"
    & skf18("7","3","9","4","4","6","1") = "8"
    & skf18("7","3","9","4","4","7","1") = "8"
    & skf18("7","3","9","4","4","8","1") = "8"
    & skf18("7","3","9","4","4","9","1") = "8"
    & skf18("7","3","9","4","4","10","1") = "9"
    & skf18("7","3","9","4","5","1","1") = "8"
    & skf18("7","3","9","4","5","2","1") = "8"
    & skf18("7","3","9","4","5","3","1") = "8"
    & skf18("7","3","9","4","5","4","1") = "8"
    & skf18("7","3","9","4","5","5","1") = "8"
    & skf18("7","3","9","4","5","6","1") = "8"
    & skf18("7","3","9","4","5","7","1") = "8"
    & skf18("7","3","9","4","5","8","1") = "8"
    & skf18("7","3","9","4","5","9","1") = "8"
    & skf18("7","3","9","4","5","10","1") = "9"
    & skf18("7","3","9","4","6","1","1") = "8"
    & skf18("7","3","9","4","6","2","1") = "8"
    & skf18("7","3","9","4","6","3","1") = "8"
    & skf18("7","3","9","4","6","4","1") = "8"
    & skf18("7","3","9","4","6","5","1") = "8"
    & skf18("7","3","9","4","6","6","1") = "8"
    & skf18("7","3","9","4","6","7","1") = "8"
    & skf18("7","3","9","4","6","8","1") = "8"
    & skf18("7","3","9","4","6","9","1") = "8"
    & skf18("7","3","9","4","6","10","1") = "9"
    & skf18("7","3","9","4","7","1","1") = "8"
    & skf18("7","3","9","4","7","2","1") = "8"
    & skf18("7","3","9","4","7","3","1") = "8"
    & skf18("7","3","9","4","7","4","1") = "8"
    & skf18("7","3","9","4","7","5","1") = "8"
    & skf18("7","3","9","4","7","6","1") = "8"
    & skf18("7","3","9","4","7","7","1") = "8"
    & skf18("7","3","9","4","7","8","1") = "8"
    & skf18("7","3","9","4","7","9","1") = "8"
    & skf18("7","3","9","4","7","10","1") = "9"
    & skf18("7","3","9","4","8","1","1") = "8"
    & skf18("7","3","9","4","8","2","1") = "8"
    & skf18("7","3","9","4","8","3","1") = "8"
    & skf18("7","3","9","4","8","4","1") = "8"
    & skf18("7","3","9","4","8","5","1") = "8"
    & skf18("7","3","9","4","8","6","1") = "8"
    & skf18("7","3","9","4","8","7","1") = "8"
    & skf18("7","3","9","4","8","8","1") = "8"
    & skf18("7","3","9","4","8","9","1") = "8"
    & skf18("7","3","9","4","8","10","1") = "9"
    & skf18("7","3","9","4","9","1","1") = "8"
    & skf18("7","3","9","4","9","2","1") = "8"
    & skf18("7","3","9","4","9","3","1") = "8"
    & skf18("7","3","9","4","9","4","1") = "8"
    & skf18("7","3","9","4","9","5","1") = "8"
    & skf18("7","3","9","4","9","6","1") = "8"
    & skf18("7","3","9","4","9","7","1") = "8"
    & skf18("7","3","9","4","9","8","1") = "8"
    & skf18("7","3","9","4","9","9","1") = "8"
    & skf18("7","3","9","4","9","10","1") = "9"
    & skf18("7","3","9","4","10","1","1") = "9"
    & skf18("7","3","9","4","10","2","1") = "9"
    & skf18("7","3","9","4","10","3","1") = "9"
    & skf18("7","3","9","4","10","4","1") = "9"
    & skf18("7","3","9","4","10","5","1") = "9"
    & skf18("7","3","9","4","10","6","1") = "9"
    & skf18("7","3","9","4","10","7","1") = "9"
    & skf18("7","3","9","4","10","8","1") = "9"
    & skf18("7","3","9","4","10","9","1") = "9"
    & skf18("7","3","9","4","10","10","1") = "9"
    & skf18("7","3","9","5","1","1","1") = "8"
    & skf18("7","3","9","5","1","2","1") = "8"
    & skf18("7","3","9","5","1","3","1") = "8"
    & skf18("7","3","9","5","1","4","1") = "8"
    & skf18("7","3","9","5","1","5","1") = "8"
    & skf18("7","3","9","5","1","6","1") = "8"
    & skf18("7","3","9","5","1","7","1") = "8"
    & skf18("7","3","9","5","1","8","1") = "8"
    & skf18("7","3","9","5","1","9","1") = "8"
    & skf18("7","3","9","5","1","10","1") = "9"
    & skf18("7","3","9","5","2","1","1") = "8"
    & skf18("7","3","9","5","2","2","1") = "8"
    & skf18("7","3","9","5","2","3","1") = "8"
    & skf18("7","3","9","5","2","4","1") = "8"
    & skf18("7","3","9","5","2","5","1") = "8"
    & skf18("7","3","9","5","2","6","1") = "8"
    & skf18("7","3","9","5","2","7","1") = "8"
    & skf18("7","3","9","5","2","8","1") = "8"
    & skf18("7","3","9","5","2","9","1") = "8"
    & skf18("7","3","9","5","2","10","1") = "9"
    & skf18("7","3","9","5","3","1","1") = "8"
    & skf18("7","3","9","5","3","2","1") = "8"
    & skf18("7","3","9","5","3","3","1") = "8"
    & skf18("7","3","9","5","3","4","1") = "8"
    & skf18("7","3","9","5","3","5","1") = "8"
    & skf18("7","3","9","5","3","6","1") = "8"
    & skf18("7","3","9","5","3","7","1") = "8"
    & skf18("7","3","9","5","3","8","1") = "8"
    & skf18("7","3","9","5","3","9","1") = "8"
    & skf18("7","3","9","5","3","10","1") = "9"
    & skf18("7","3","9","5","4","1","1") = "8"
    & skf18("7","3","9","5","4","2","1") = "8"
    & skf18("7","3","9","5","4","3","1") = "8"
    & skf18("7","3","9","5","4","4","1") = "8"
    & skf18("7","3","9","5","4","5","1") = "8"
    & skf18("7","3","9","5","4","6","1") = "8"
    & skf18("7","3","9","5","4","7","1") = "8"
    & skf18("7","3","9","5","4","8","1") = "8"
    & skf18("7","3","9","5","4","9","1") = "8"
    & skf18("7","3","9","5","4","10","1") = "9"
    & skf18("7","3","9","5","5","1","1") = "8"
    & skf18("7","3","9","5","5","2","1") = "8"
    & skf18("7","3","9","5","5","3","1") = "8"
    & skf18("7","3","9","5","5","4","1") = "8"
    & skf18("7","3","9","5","5","5","1") = "8"
    & skf18("7","3","9","5","5","6","1") = "8"
    & skf18("7","3","9","5","5","7","1") = "8"
    & skf18("7","3","9","5","5","8","1") = "8"
    & skf18("7","3","9","5","5","9","1") = "8"
    & skf18("7","3","9","5","5","10","1") = "9"
    & skf18("7","3","9","5","6","1","1") = "8"
    & skf18("7","3","9","5","6","2","1") = "8"
    & skf18("7","3","9","5","6","3","1") = "8"
    & skf18("7","3","9","5","6","4","1") = "8"
    & skf18("7","3","9","5","6","5","1") = "8"
    & skf18("7","3","9","5","6","6","1") = "8"
    & skf18("7","3","9","5","6","7","1") = "8"
    & skf18("7","3","9","5","6","8","1") = "8"
    & skf18("7","3","9","5","6","9","1") = "8"
    & skf18("7","3","9","5","6","10","1") = "9"
    & skf18("7","3","9","5","7","1","1") = "8"
    & skf18("7","3","9","5","7","2","1") = "8"
    & skf18("7","3","9","5","7","3","1") = "8"
    & skf18("7","3","9","5","7","4","1") = "8"
    & skf18("7","3","9","5","7","5","1") = "8"
    & skf18("7","3","9","5","7","6","1") = "8"
    & skf18("7","3","9","5","7","7","1") = "8"
    & skf18("7","3","9","5","7","8","1") = "8"
    & skf18("7","3","9","5","7","9","1") = "8"
    & skf18("7","3","9","5","7","10","1") = "9"
    & skf18("7","3","9","5","8","1","1") = "8"
    & skf18("7","3","9","5","8","2","1") = "8"
    & skf18("7","3","9","5","8","3","1") = "8"
    & skf18("7","3","9","5","8","4","1") = "8"
    & skf18("7","3","9","5","8","5","1") = "8"
    & skf18("7","3","9","5","8","6","1") = "8"
    & skf18("7","3","9","5","8","7","1") = "8"
    & skf18("7","3","9","5","8","8","1") = "8"
    & skf18("7","3","9","5","8","9","1") = "8"
    & skf18("7","3","9","5","8","10","1") = "9"
    & skf18("7","3","9","5","9","1","1") = "8"
    & skf18("7","3","9","5","9","2","1") = "8"
    & skf18("7","3","9","5","9","3","1") = "8"
    & skf18("7","3","9","5","9","4","1") = "8"
    & skf18("7","3","9","5","9","5","1") = "8"
    & skf18("7","3","9","5","9","6","1") = "8"
    & skf18("7","3","9","5","9","7","1") = "8"
    & skf18("7","3","9","5","9","8","1") = "8"
    & skf18("7","3","9","5","9","9","1") = "8"
    & skf18("7","3","9","5","9","10","1") = "9"
    & skf18("7","3","9","5","10","1","1") = "9"
    & skf18("7","3","9","5","10","2","1") = "9"
    & skf18("7","3","9","5","10","3","1") = "9"
    & skf18("7","3","9","5","10","4","1") = "9"
    & skf18("7","3","9","5","10","5","1") = "9"
    & skf18("7","3","9","5","10","6","1") = "9"
    & skf18("7","3","9","5","10","7","1") = "9"
    & skf18("7","3","9","5","10","8","1") = "9"
    & skf18("7","3","9","5","10","9","1") = "9"
    & skf18("7","3","9","5","10","10","1") = "9"
    & skf18("7","3","9","6","1","1","1") = "8"
    & skf18("7","3","9","6","1","2","1") = "8"
    & skf18("7","3","9","6","1","3","1") = "8"
    & skf18("7","3","9","6","1","4","1") = "8"
    & skf18("7","3","9","6","1","5","1") = "8"
    & skf18("7","3","9","6","1","6","1") = "8"
    & skf18("7","3","9","6","1","7","1") = "8"
    & skf18("7","3","9","6","1","8","1") = "8"
    & skf18("7","3","9","6","1","9","1") = "8"
    & skf18("7","3","9","6","1","10","1") = "9"
    & skf18("7","3","9","6","2","1","1") = "8"
    & skf18("7","3","9","6","2","2","1") = "8"
    & skf18("7","3","9","6","2","3","1") = "8"
    & skf18("7","3","9","6","2","4","1") = "8"
    & skf18("7","3","9","6","2","5","1") = "8"
    & skf18("7","3","9","6","2","6","1") = "8"
    & skf18("7","3","9","6","2","7","1") = "8"
    & skf18("7","3","9","6","2","8","1") = "8"
    & skf18("7","3","9","6","2","9","1") = "8"
    & skf18("7","3","9","6","2","10","1") = "9"
    & skf18("7","3","9","6","3","1","1") = "8"
    & skf18("7","3","9","6","3","2","1") = "8"
    & skf18("7","3","9","6","3","3","1") = "8"
    & skf18("7","3","9","6","3","4","1") = "8"
    & skf18("7","3","9","6","3","5","1") = "8"
    & skf18("7","3","9","6","3","6","1") = "8"
    & skf18("7","3","9","6","3","7","1") = "8"
    & skf18("7","3","9","6","3","8","1") = "8"
    & skf18("7","3","9","6","3","9","1") = "8"
    & skf18("7","3","9","6","3","10","1") = "9"
    & skf18("7","3","9","6","4","1","1") = "8"
    & skf18("7","3","9","6","4","2","1") = "8"
    & skf18("7","3","9","6","4","3","1") = "8"
    & skf18("7","3","9","6","4","4","1") = "8"
    & skf18("7","3","9","6","4","5","1") = "8"
    & skf18("7","3","9","6","4","6","1") = "8"
    & skf18("7","3","9","6","4","7","1") = "8"
    & skf18("7","3","9","6","4","8","1") = "8"
    & skf18("7","3","9","6","4","9","1") = "8"
    & skf18("7","3","9","6","4","10","1") = "9"
    & skf18("7","3","9","6","5","1","1") = "8"
    & skf18("7","3","9","6","5","2","1") = "8"
    & skf18("7","3","9","6","5","3","1") = "8"
    & skf18("7","3","9","6","5","4","1") = "8"
    & skf18("7","3","9","6","5","5","1") = "8"
    & skf18("7","3","9","6","5","6","1") = "8"
    & skf18("7","3","9","6","5","7","1") = "8"
    & skf18("7","3","9","6","5","8","1") = "8"
    & skf18("7","3","9","6","5","9","1") = "8"
    & skf18("7","3","9","6","5","10","1") = "9"
    & skf18("7","3","9","6","6","1","1") = "8"
    & skf18("7","3","9","6","6","2","1") = "8"
    & skf18("7","3","9","6","6","3","1") = "8"
    & skf18("7","3","9","6","6","4","1") = "8"
    & skf18("7","3","9","6","6","5","1") = "8"
    & skf18("7","3","9","6","6","6","1") = "8"
    & skf18("7","3","9","6","6","7","1") = "8"
    & skf18("7","3","9","6","6","8","1") = "8"
    & skf18("7","3","9","6","6","9","1") = "8"
    & skf18("7","3","9","6","6","10","1") = "9"
    & skf18("7","3","9","6","7","1","1") = "8"
    & skf18("7","3","9","6","7","2","1") = "8"
    & skf18("7","3","9","6","7","3","1") = "8"
    & skf18("7","3","9","6","7","4","1") = "8"
    & skf18("7","3","9","6","7","5","1") = "8"
    & skf18("7","3","9","6","7","6","1") = "8"
    & skf18("7","3","9","6","7","7","1") = "8"
    & skf18("7","3","9","6","7","8","1") = "8"
    & skf18("7","3","9","6","7","9","1") = "8"
    & skf18("7","3","9","6","7","10","1") = "9"
    & skf18("7","3","9","6","8","1","1") = "8"
    & skf18("7","3","9","6","8","2","1") = "8"
    & skf18("7","3","9","6","8","3","1") = "8"
    & skf18("7","3","9","6","8","4","1") = "8"
    & skf18("7","3","9","6","8","5","1") = "8"
    & skf18("7","3","9","6","8","6","1") = "8"
    & skf18("7","3","9","6","8","7","1") = "8"
    & skf18("7","3","9","6","8","8","1") = "8"
    & skf18("7","3","9","6","8","9","1") = "8"
    & skf18("7","3","9","6","8","10","1") = "9"
    & skf18("7","3","9","6","9","1","1") = "8"
    & skf18("7","3","9","6","9","2","1") = "8"
    & skf18("7","3","9","6","9","3","1") = "8"
    & skf18("7","3","9","6","9","4","1") = "8"
    & skf18("7","3","9","6","9","5","1") = "8"
    & skf18("7","3","9","6","9","6","1") = "8"
    & skf18("7","3","9","6","9","7","1") = "8"
    & skf18("7","3","9","6","9","8","1") = "8"
    & skf18("7","3","9","6","9","9","1") = "8"
    & skf18("7","3","9","6","9","10","1") = "9"
    & skf18("7","3","9","6","10","1","1") = "9"
    & skf18("7","3","9","6","10","2","1") = "9"
    & skf18("7","3","9","6","10","3","1") = "9"
    & skf18("7","3","9","6","10","4","1") = "9"
    & skf18("7","3","9","6","10","5","1") = "9"
    & skf18("7","3","9","6","10","6","1") = "9"
    & skf18("7","3","9","6","10","7","1") = "9"
    & skf18("7","3","9","6","10","8","1") = "9"
    & skf18("7","3","9","6","10","9","1") = "9"
    & skf18("7","3","9","6","10","10","1") = "9"
    & skf18("7","3","9","7","1","1","1") = "8"
    & skf18("7","3","9","7","1","2","1") = "8"
    & skf18("7","3","9","7","1","3","1") = "8"
    & skf18("7","3","9","7","1","4","1") = "8"
    & skf18("7","3","9","7","1","5","1") = "8"
    & skf18("7","3","9","7","1","6","1") = "8"
    & skf18("7","3","9","7","1","7","1") = "8"
    & skf18("7","3","9","7","1","8","1") = "8"
    & skf18("7","3","9","7","1","9","1") = "8"
    & skf18("7","3","9","7","1","10","1") = "9"
    & skf18("7","3","9","7","2","1","1") = "8"
    & skf18("7","3","9","7","2","2","1") = "8"
    & skf18("7","3","9","7","2","3","1") = "8"
    & skf18("7","3","9","7","2","4","1") = "8"
    & skf18("7","3","9","7","2","5","1") = "8"
    & skf18("7","3","9","7","2","6","1") = "8"
    & skf18("7","3","9","7","2","7","1") = "8"
    & skf18("7","3","9","7","2","8","1") = "8"
    & skf18("7","3","9","7","2","9","1") = "8"
    & skf18("7","3","9","7","2","10","1") = "9"
    & skf18("7","3","9","7","3","1","1") = "8"
    & skf18("7","3","9","7","3","2","1") = "8"
    & skf18("7","3","9","7","3","3","1") = "8"
    & skf18("7","3","9","7","3","4","1") = "8"
    & skf18("7","3","9","7","3","5","1") = "8"
    & skf18("7","3","9","7","3","6","1") = "8"
    & skf18("7","3","9","7","3","7","1") = "8"
    & skf18("7","3","9","7","3","8","1") = "8"
    & skf18("7","3","9","7","3","9","1") = "8"
    & skf18("7","3","9","7","3","10","1") = "9"
    & skf18("7","3","9","7","4","1","1") = "8"
    & skf18("7","3","9","7","4","2","1") = "8"
    & skf18("7","3","9","7","4","3","1") = "8"
    & skf18("7","3","9","7","4","4","1") = "8"
    & skf18("7","3","9","7","4","5","1") = "8"
    & skf18("7","3","9","7","4","6","1") = "8"
    & skf18("7","3","9","7","4","7","1") = "8"
    & skf18("7","3","9","7","4","8","1") = "8"
    & skf18("7","3","9","7","4","9","1") = "8"
    & skf18("7","3","9","7","4","10","1") = "9"
    & skf18("7","3","9","7","5","1","1") = "8"
    & skf18("7","3","9","7","5","2","1") = "8"
    & skf18("7","3","9","7","5","3","1") = "8"
    & skf18("7","3","9","7","5","4","1") = "8"
    & skf18("7","3","9","7","5","5","1") = "8"
    & skf18("7","3","9","7","5","6","1") = "8"
    & skf18("7","3","9","7","5","7","1") = "8"
    & skf18("7","3","9","7","5","8","1") = "8"
    & skf18("7","3","9","7","5","9","1") = "8"
    & skf18("7","3","9","7","5","10","1") = "9"
    & skf18("7","3","9","7","6","1","1") = "8"
    & skf18("7","3","9","7","6","2","1") = "8"
    & skf18("7","3","9","7","6","3","1") = "8"
    & skf18("7","3","9","7","6","4","1") = "8"
    & skf18("7","3","9","7","6","5","1") = "8"
    & skf18("7","3","9","7","6","6","1") = "8"
    & skf18("7","3","9","7","6","7","1") = "8"
    & skf18("7","3","9","7","6","8","1") = "8"
    & skf18("7","3","9","7","6","9","1") = "8"
    & skf18("7","3","9","7","6","10","1") = "9"
    & skf18("7","3","9","7","7","1","1") = "8"
    & skf18("7","3","9","7","7","2","1") = "8"
    & skf18("7","3","9","7","7","3","1") = "8"
    & skf18("7","3","9","7","7","4","1") = "8"
    & skf18("7","3","9","7","7","5","1") = "8"
    & skf18("7","3","9","7","7","6","1") = "8"
    & skf18("7","3","9","7","7","7","1") = "8"
    & skf18("7","3","9","7","7","8","1") = "8"
    & skf18("7","3","9","7","7","9","1") = "8"
    & skf18("7","3","9","7","7","10","1") = "9"
    & skf18("7","3","9","7","8","1","1") = "8"
    & skf18("7","3","9","7","8","2","1") = "8"
    & skf18("7","3","9","7","8","3","1") = "8"
    & skf18("7","3","9","7","8","4","1") = "8"
    & skf18("7","3","9","7","8","5","1") = "8"
    & skf18("7","3","9","7","8","6","1") = "8"
    & skf18("7","3","9","7","8","7","1") = "8"
    & skf18("7","3","9","7","8","8","1") = "8"
    & skf18("7","3","9","7","8","9","1") = "8"
    & skf18("7","3","9","7","8","10","1") = "9"
    & skf18("7","3","9","7","9","1","1") = "8"
    & skf18("7","3","9","7","9","2","1") = "8"
    & skf18("7","3","9","7","9","3","1") = "8"
    & skf18("7","3","9","7","9","4","1") = "8"
    & skf18("7","3","9","7","9","5","1") = "8"
    & skf18("7","3","9","7","9","6","1") = "8"
    & skf18("7","3","9","7","9","7","1") = "8"
    & skf18("7","3","9","7","9","8","1") = "8"
    & skf18("7","3","9","7","9","9","1") = "8"
    & skf18("7","3","9","7","9","10","1") = "9"
    & skf18("7","3","9","7","10","1","1") = "9"
    & skf18("7","3","9","7","10","2","1") = "9"
    & skf18("7","3","9","7","10","3","1") = "9"
    & skf18("7","3","9","7","10","4","1") = "9"
    & skf18("7","3","9","7","10","5","1") = "9"
    & skf18("7","3","9","7","10","6","1") = "9"
    & skf18("7","3","9","7","10","7","1") = "9"
    & skf18("7","3","9","7","10","8","1") = "9"
    & skf18("7","3","9","7","10","9","1") = "9"
    & skf18("7","3","9","7","10","10","1") = "9"
    & skf18("7","3","9","8","1","1","1") = "8"
    & skf18("7","3","9","8","1","2","1") = "8"
    & skf18("7","3","9","8","1","3","1") = "8"
    & skf18("7","3","9","8","1","4","1") = "8"
    & skf18("7","3","9","8","1","5","1") = "8"
    & skf18("7","3","9","8","1","6","1") = "8"
    & skf18("7","3","9","8","1","7","1") = "8"
    & skf18("7","3","9","8","1","8","1") = "8"
    & skf18("7","3","9","8","1","9","1") = "8"
    & skf18("7","3","9","8","1","10","1") = "9"
    & skf18("7","3","9","8","2","1","1") = "8"
    & skf18("7","3","9","8","2","2","1") = "8"
    & skf18("7","3","9","8","2","3","1") = "8"
    & skf18("7","3","9","8","2","4","1") = "8"
    & skf18("7","3","9","8","2","5","1") = "8"
    & skf18("7","3","9","8","2","6","1") = "8"
    & skf18("7","3","9","8","2","7","1") = "8"
    & skf18("7","3","9","8","2","8","1") = "8"
    & skf18("7","3","9","8","2","9","1") = "8"
    & skf18("7","3","9","8","2","10","1") = "9"
    & skf18("7","3","9","8","3","1","1") = "8"
    & skf18("7","3","9","8","3","2","1") = "8"
    & skf18("7","3","9","8","3","3","1") = "8"
    & skf18("7","3","9","8","3","4","1") = "8"
    & skf18("7","3","9","8","3","5","1") = "8"
    & skf18("7","3","9","8","3","6","1") = "8"
    & skf18("7","3","9","8","3","7","1") = "8"
    & skf18("7","3","9","8","3","8","1") = "8"
    & skf18("7","3","9","8","3","9","1") = "8"
    & skf18("7","3","9","8","3","10","1") = "9"
    & skf18("7","3","9","8","4","1","1") = "8"
    & skf18("7","3","9","8","4","2","1") = "8"
    & skf18("7","3","9","8","4","3","1") = "8"
    & skf18("7","3","9","8","4","4","1") = "8"
    & skf18("7","3","9","8","4","5","1") = "8"
    & skf18("7","3","9","8","4","6","1") = "8"
    & skf18("7","3","9","8","4","7","1") = "8"
    & skf18("7","3","9","8","4","8","1") = "8"
    & skf18("7","3","9","8","4","9","1") = "8"
    & skf18("7","3","9","8","4","10","1") = "9"
    & skf18("7","3","9","8","5","1","1") = "8"
    & skf18("7","3","9","8","5","2","1") = "8"
    & skf18("7","3","9","8","5","3","1") = "8"
    & skf18("7","3","9","8","5","4","1") = "8"
    & skf18("7","3","9","8","5","5","1") = "8"
    & skf18("7","3","9","8","5","6","1") = "8"
    & skf18("7","3","9","8","5","7","1") = "8"
    & skf18("7","3","9","8","5","8","1") = "8"
    & skf18("7","3","9","8","5","9","1") = "8"
    & skf18("7","3","9","8","5","10","1") = "9"
    & skf18("7","3","9","8","6","1","1") = "8"
    & skf18("7","3","9","8","6","2","1") = "8"
    & skf18("7","3","9","8","6","3","1") = "8"
    & skf18("7","3","9","8","6","4","1") = "8"
    & skf18("7","3","9","8","6","5","1") = "8"
    & skf18("7","3","9","8","6","6","1") = "8"
    & skf18("7","3","9","8","6","7","1") = "8"
    & skf18("7","3","9","8","6","8","1") = "8"
    & skf18("7","3","9","8","6","9","1") = "8"
    & skf18("7","3","9","8","6","10","1") = "9"
    & skf18("7","3","9","8","7","1","1") = "8"
    & skf18("7","3","9","8","7","2","1") = "8"
    & skf18("7","3","9","8","7","3","1") = "8"
    & skf18("7","3","9","8","7","4","1") = "8"
    & skf18("7","3","9","8","7","5","1") = "8"
    & skf18("7","3","9","8","7","6","1") = "8"
    & skf18("7","3","9","8","7","7","1") = "8"
    & skf18("7","3","9","8","7","8","1") = "8"
    & skf18("7","3","9","8","7","9","1") = "8"
    & skf18("7","3","9","8","7","10","1") = "9"
    & skf18("7","3","9","8","8","1","1") = "8"
    & skf18("7","3","9","8","8","2","1") = "8"
    & skf18("7","3","9","8","8","3","1") = "8"
    & skf18("7","3","9","8","8","4","1") = "8"
    & skf18("7","3","9","8","8","5","1") = "8"
    & skf18("7","3","9","8","8","6","1") = "8"
    & skf18("7","3","9","8","8","7","1") = "8"
    & skf18("7","3","9","8","8","8","1") = "8"
    & skf18("7","3","9","8","8","9","1") = "8"
    & skf18("7","3","9","8","8","10","1") = "9"
    & skf18("7","3","9","8","9","1","1") = "8"
    & skf18("7","3","9","8","9","2","1") = "8"
    & skf18("7","3","9","8","9","3","1") = "8"
    & skf18("7","3","9","8","9","4","1") = "8"
    & skf18("7","3","9","8","9","5","1") = "8"
    & skf18("7","3","9","8","9","6","1") = "8"
    & skf18("7","3","9","8","9","7","1") = "8"
    & skf18("7","3","9","8","9","8","1") = "8"
    & skf18("7","3","9","8","9","9","1") = "8"
    & skf18("7","3","9","8","9","10","1") = "9"
    & skf18("7","3","9","8","10","1","1") = "9"
    & skf18("7","3","9","8","10","2","1") = "9"
    & skf18("7","3","9","8","10","3","1") = "9"
    & skf18("7","3","9","8","10","4","1") = "9"
    & skf18("7","3","9","8","10","5","1") = "9"
    & skf18("7","3","9","8","10","6","1") = "9"
    & skf18("7","3","9","8","10","7","1") = "9"
    & skf18("7","3","9","8","10","8","1") = "9"
    & skf18("7","3","9","8","10","9","1") = "9"
    & skf18("7","3","9","8","10","10","1") = "9"
    & skf18("7","3","9","9","1","1","1") = "8"
    & skf18("7","3","9","9","1","2","1") = "8"
    & skf18("7","3","9","9","1","3","1") = "8"
    & skf18("7","3","9","9","1","4","1") = "8"
    & skf18("7","3","9","9","1","5","1") = "8"
    & skf18("7","3","9","9","1","6","1") = "8"
    & skf18("7","3","9","9","1","7","1") = "8"
    & skf18("7","3","9","9","1","8","1") = "8"
    & skf18("7","3","9","9","1","9","1") = "8"
    & skf18("7","3","9","9","1","10","1") = "9"
    & skf18("7","3","9","9","2","1","1") = "8"
    & skf18("7","3","9","9","2","2","1") = "8"
    & skf18("7","3","9","9","2","3","1") = "8"
    & skf18("7","3","9","9","2","4","1") = "8"
    & skf18("7","3","9","9","2","5","1") = "8"
    & skf18("7","3","9","9","2","6","1") = "8"
    & skf18("7","3","9","9","2","7","1") = "8"
    & skf18("7","3","9","9","2","8","1") = "8"
    & skf18("7","3","9","9","2","9","1") = "8"
    & skf18("7","3","9","9","2","10","1") = "9"
    & skf18("7","3","9","9","3","1","1") = "8"
    & skf18("7","3","9","9","3","2","1") = "8"
    & skf18("7","3","9","9","3","3","1") = "8"
    & skf18("7","3","9","9","3","4","1") = "8"
    & skf18("7","3","9","9","3","5","1") = "8"
    & skf18("7","3","9","9","3","6","1") = "8"
    & skf18("7","3","9","9","3","7","1") = "8"
    & skf18("7","3","9","9","3","8","1") = "8"
    & skf18("7","3","9","9","3","9","1") = "8"
    & skf18("7","3","9","9","3","10","1") = "9"
    & skf18("7","3","9","9","4","1","1") = "8"
    & skf18("7","3","9","9","4","2","1") = "8"
    & skf18("7","3","9","9","4","3","1") = "8"
    & skf18("7","3","9","9","4","4","1") = "8"
    & skf18("7","3","9","9","4","5","1") = "8"
    & skf18("7","3","9","9","4","6","1") = "8"
    & skf18("7","3","9","9","4","7","1") = "8"
    & skf18("7","3","9","9","4","8","1") = "8"
    & skf18("7","3","9","9","4","9","1") = "8"
    & skf18("7","3","9","9","4","10","1") = "9"
    & skf18("7","3","9","9","5","1","1") = "8"
    & skf18("7","3","9","9","5","2","1") = "8"
    & skf18("7","3","9","9","5","3","1") = "8"
    & skf18("7","3","9","9","5","4","1") = "8"
    & skf18("7","3","9","9","5","5","1") = "8"
    & skf18("7","3","9","9","5","6","1") = "8"
    & skf18("7","3","9","9","5","7","1") = "8"
    & skf18("7","3","9","9","5","8","1") = "8"
    & skf18("7","3","9","9","5","9","1") = "8"
    & skf18("7","3","9","9","5","10","1") = "9"
    & skf18("7","3","9","9","6","1","1") = "8"
    & skf18("7","3","9","9","6","2","1") = "8"
    & skf18("7","3","9","9","6","3","1") = "8"
    & skf18("7","3","9","9","6","4","1") = "8"
    & skf18("7","3","9","9","6","5","1") = "8"
    & skf18("7","3","9","9","6","6","1") = "8"
    & skf18("7","3","9","9","6","7","1") = "8"
    & skf18("7","3","9","9","6","8","1") = "8"
    & skf18("7","3","9","9","6","9","1") = "8"
    & skf18("7","3","9","9","6","10","1") = "9"
    & skf18("7","3","9","9","7","1","1") = "8"
    & skf18("7","3","9","9","7","2","1") = "8"
    & skf18("7","3","9","9","7","3","1") = "8"
    & skf18("7","3","9","9","7","4","1") = "8"
    & skf18("7","3","9","9","7","5","1") = "8"
    & skf18("7","3","9","9","7","6","1") = "8"
    & skf18("7","3","9","9","7","7","1") = "8"
    & skf18("7","3","9","9","7","8","1") = "8"
    & skf18("7","3","9","9","7","9","1") = "8"
    & skf18("7","3","9","9","7","10","1") = "9"
    & skf18("7","3","9","9","8","1","1") = "8"
    & skf18("7","3","9","9","8","2","1") = "8"
    & skf18("7","3","9","9","8","3","1") = "8"
    & skf18("7","3","9","9","8","4","1") = "8"
    & skf18("7","3","9","9","8","5","1") = "8"
    & skf18("7","3","9","9","8","6","1") = "8"
    & skf18("7","3","9","9","8","7","1") = "8"
    & skf18("7","3","9","9","8","8","1") = "8"
    & skf18("7","3","9","9","8","9","1") = "8"
    & skf18("7","3","9","9","8","10","1") = "9"
    & skf18("7","3","9","9","9","1","1") = "8"
    & skf18("7","3","9","9","9","2","1") = "8"
    & skf18("7","3","9","9","9","3","1") = "8"
    & skf18("7","3","9","9","9","4","1") = "8"
    & skf18("7","3","9","9","9","5","1") = "8"
    & skf18("7","3","9","9","9","6","1") = "8"
    & skf18("7","3","9","9","9","7","1") = "8"
    & skf18("7","3","9","9","9","8","1") = "8"
    & skf18("7","3","9","9","9","9","1") = "8"
    & skf18("7","3","9","9","9","10","1") = "9"
    & skf18("7","3","9","9","10","1","1") = "9"
    & skf18("7","3","9","9","10","2","1") = "9"
    & skf18("7","3","9","9","10","3","1") = "9"
    & skf18("7","3","9","9","10","4","1") = "9"
    & skf18("7","3","9","9","10","5","1") = "9"
    & skf18("7","3","9","9","10","6","1") = "9"
    & skf18("7","3","9","9","10","7","1") = "9"
    & skf18("7","3","9","9","10","8","1") = "9"
    & skf18("7","3","9","9","10","9","1") = "9"
    & skf18("7","3","9","9","10","10","1") = "9"
    & skf18("7","3","9","10","1","1","1") = "9"
    & skf18("7","3","9","10","1","2","1") = "9"
    & skf18("7","3","9","10","1","3","1") = "9"
    & skf18("7","3","9","10","1","4","1") = "9"
    & skf18("7","3","9","10","1","5","1") = "9"
    & skf18("7","3","9","10","1","6","1") = "9"
    & skf18("7","3","9","10","1","7","1") = "9"
    & skf18("7","3","9","10","1","8","1") = "9"
    & skf18("7","3","9","10","1","9","1") = "9"
    & skf18("7","3","9","10","1","10","1") = "9"
    & skf18("7","3","9","10","2","1","1") = "9"
    & skf18("7","3","9","10","2","2","1") = "9"
    & skf18("7","3","9","10","2","3","1") = "9"
    & skf18("7","3","9","10","2","4","1") = "9"
    & skf18("7","3","9","10","2","5","1") = "9"
    & skf18("7","3","9","10","2","6","1") = "9"
    & skf18("7","3","9","10","2","7","1") = "9"
    & skf18("7","3","9","10","2","8","1") = "9"
    & skf18("7","3","9","10","2","9","1") = "9"
    & skf18("7","3","9","10","2","10","1") = "9"
    & skf18("7","3","9","10","3","1","1") = "9"
    & skf18("7","3","9","10","3","2","1") = "9"
    & skf18("7","3","9","10","3","3","1") = "9"
    & skf18("7","3","9","10","3","4","1") = "9"
    & skf18("7","3","9","10","3","5","1") = "9"
    & skf18("7","3","9","10","3","6","1") = "9"
    & skf18("7","3","9","10","3","7","1") = "9"
    & skf18("7","3","9","10","3","8","1") = "9"
    & skf18("7","3","9","10","3","9","1") = "9"
    & skf18("7","3","9","10","3","10","1") = "9"
    & skf18("7","3","9","10","4","1","1") = "9"
    & skf18("7","3","9","10","4","2","1") = "9"
    & skf18("7","3","9","10","4","3","1") = "9"
    & skf18("7","3","9","10","4","4","1") = "9"
    & skf18("7","3","9","10","4","5","1") = "9"
    & skf18("7","3","9","10","4","6","1") = "9"
    & skf18("7","3","9","10","4","7","1") = "9"
    & skf18("7","3","9","10","4","8","1") = "9"
    & skf18("7","3","9","10","4","9","1") = "9"
    & skf18("7","3","9","10","4","10","1") = "9"
    & skf18("7","3","9","10","5","1","1") = "9"
    & skf18("7","3","9","10","5","2","1") = "9"
    & skf18("7","3","9","10","5","3","1") = "9"
    & skf18("7","3","9","10","5","4","1") = "9"
    & skf18("7","3","9","10","5","5","1") = "9"
    & skf18("7","3","9","10","5","6","1") = "9"
    & skf18("7","3","9","10","5","7","1") = "9"
    & skf18("7","3","9","10","5","8","1") = "9"
    & skf18("7","3","9","10","5","9","1") = "9"
    & skf18("7","3","9","10","5","10","1") = "9"
    & skf18("7","3","9","10","6","1","1") = "9"
    & skf18("7","3","9","10","6","2","1") = "9"
    & skf18("7","3","9","10","6","3","1") = "9"
    & skf18("7","3","9","10","6","4","1") = "9"
    & skf18("7","3","9","10","6","5","1") = "9"
    & skf18("7","3","9","10","6","6","1") = "9"
    & skf18("7","3","9","10","6","7","1") = "9"
    & skf18("7","3","9","10","6","8","1") = "9"
    & skf18("7","3","9","10","6","9","1") = "9"
    & skf18("7","3","9","10","6","10","1") = "9"
    & skf18("7","3","9","10","7","1","1") = "9"
    & skf18("7","3","9","10","7","2","1") = "9"
    & skf18("7","3","9","10","7","3","1") = "9"
    & skf18("7","3","9","10","7","4","1") = "9"
    & skf18("7","3","9","10","7","5","1") = "9"
    & skf18("7","3","9","10","7","6","1") = "9"
    & skf18("7","3","9","10","7","7","1") = "9"
    & skf18("7","3","9","10","7","8","1") = "9"
    & skf18("7","3","9","10","7","9","1") = "9"
    & skf18("7","3","9","10","7","10","1") = "9"
    & skf18("7","3","9","10","8","1","1") = "9"
    & skf18("7","3","9","10","8","2","1") = "9"
    & skf18("7","3","9","10","8","3","1") = "9"
    & skf18("7","3","9","10","8","4","1") = "9"
    & skf18("7","3","9","10","8","5","1") = "9"
    & skf18("7","3","9","10","8","6","1") = "9"
    & skf18("7","3","9","10","8","7","1") = "9"
    & skf18("7","3","9","10","8","8","1") = "9"
    & skf18("7","3","9","10","8","9","1") = "9"
    & skf18("7","3","9","10","8","10","1") = "9"
    & skf18("7","3","9","10","9","1","1") = "9"
    & skf18("7","3","9","10","9","2","1") = "9"
    & skf18("7","3","9","10","9","3","1") = "9"
    & skf18("7","3","9","10","9","4","1") = "9"
    & skf18("7","3","9","10","9","5","1") = "9"
    & skf18("7","3","9","10","9","6","1") = "9"
    & skf18("7","3","9","10","9","7","1") = "9"
    & skf18("7","3","9","10","9","8","1") = "9"
    & skf18("7","3","9","10","9","9","1") = "9"
    & skf18("7","3","9","10","9","10","1") = "9"
    & skf18("7","3","9","10","10","1","1") = "9"
    & skf18("7","3","9","10","10","2","1") = "9"
    & skf18("7","3","9","10","10","3","1") = "9"
    & skf18("7","3","9","10","10","4","1") = "9"
    & skf18("7","3","9","10","10","5","1") = "9"
    & skf18("7","3","9","10","10","6","1") = "9"
    & skf18("7","3","9","10","10","7","1") = "9"
    & skf18("7","3","9","10","10","8","1") = "9"
    & skf18("7","3","9","10","10","9","1") = "9"
    & skf18("7","3","9","10","10","10","1") = "9"
    & skf18("7","3","10","1","1","1","1") = "9"
    & skf18("7","3","10","1","1","2","1") = "9"
    & skf18("7","3","10","1","1","3","1") = "9"
    & skf18("7","3","10","1","1","4","1") = "9"
    & skf18("7","3","10","1","1","5","1") = "9"
    & skf18("7","3","10","1","1","6","1") = "9"
    & skf18("7","3","10","1","1","7","1") = "9"
    & skf18("7","3","10","1","1","8","1") = "9"
    & skf18("7","3","10","1","1","9","1") = "9"
    & skf18("7","3","10","1","1","10","1") = "9"
    & skf18("7","3","10","1","2","1","1") = "9"
    & skf18("7","3","10","1","2","2","1") = "9"
    & skf18("7","3","10","1","2","3","1") = "9"
    & skf18("7","3","10","1","2","4","1") = "9"
    & skf18("7","3","10","1","2","5","1") = "9"
    & skf18("7","3","10","1","2","6","1") = "9"
    & skf18("7","3","10","1","2","7","1") = "9"
    & skf18("7","3","10","1","2","8","1") = "9"
    & skf18("7","3","10","1","2","9","1") = "9"
    & skf18("7","3","10","1","2","10","1") = "9"
    & skf18("7","3","10","1","3","1","1") = "9"
    & skf18("7","3","10","1","3","2","1") = "9"
    & skf18("7","3","10","1","3","3","1") = "9"
    & skf18("7","3","10","1","3","4","1") = "9"
    & skf18("7","3","10","1","3","5","1") = "9"
    & skf18("7","3","10","1","3","6","1") = "9"
    & skf18("7","3","10","1","3","7","1") = "9"
    & skf18("7","3","10","1","3","8","1") = "9"
    & skf18("7","3","10","1","3","9","1") = "9"
    & skf18("7","3","10","1","3","10","1") = "9"
    & skf18("7","3","10","1","4","1","1") = "9"
    & skf18("7","3","10","1","4","2","1") = "9"
    & skf18("7","3","10","1","4","3","1") = "9"
    & skf18("7","3","10","1","4","4","1") = "9"
    & skf18("7","3","10","1","4","5","1") = "9"
    & skf18("7","3","10","1","4","6","1") = "9"
    & skf18("7","3","10","1","4","7","1") = "9"
    & skf18("7","3","10","1","4","8","1") = "9"
    & skf18("7","3","10","1","4","9","1") = "9"
    & skf18("7","3","10","1","4","10","1") = "9"
    & skf18("7","3","10","1","5","1","1") = "9"
    & skf18("7","3","10","1","5","2","1") = "9"
    & skf18("7","3","10","1","5","3","1") = "9"
    & skf18("7","3","10","1","5","4","1") = "9"
    & skf18("7","3","10","1","5","5","1") = "9"
    & skf18("7","3","10","1","5","6","1") = "9"
    & skf18("7","3","10","1","5","7","1") = "9"
    & skf18("7","3","10","1","5","8","1") = "9"
    & skf18("7","3","10","1","5","9","1") = "9"
    & skf18("7","3","10","1","5","10","1") = "9"
    & skf18("7","3","10","1","6","1","1") = "9"
    & skf18("7","3","10","1","6","2","1") = "9"
    & skf18("7","3","10","1","6","3","1") = "9"
    & skf18("7","3","10","1","6","4","1") = "9"
    & skf18("7","3","10","1","6","5","1") = "9"
    & skf18("7","3","10","1","6","6","1") = "9"
    & skf18("7","3","10","1","6","7","1") = "9"
    & skf18("7","3","10","1","6","8","1") = "9"
    & skf18("7","3","10","1","6","9","1") = "9"
    & skf18("7","3","10","1","6","10","1") = "9"
    & skf18("7","3","10","1","7","1","1") = "9"
    & skf18("7","3","10","1","7","2","1") = "9"
    & skf18("7","3","10","1","7","3","1") = "9"
    & skf18("7","3","10","1","7","4","1") = "9"
    & skf18("7","3","10","1","7","5","1") = "9"
    & skf18("7","3","10","1","7","6","1") = "9"
    & skf18("7","3","10","1","7","7","1") = "9"
    & skf18("7","3","10","1","7","8","1") = "9"
    & skf18("7","3","10","1","7","9","1") = "9"
    & skf18("7","3","10","1","7","10","1") = "9"
    & skf18("7","3","10","1","8","1","1") = "9"
    & skf18("7","3","10","1","8","2","1") = "9"
    & skf18("7","3","10","1","8","3","1") = "9"
    & skf18("7","3","10","1","8","4","1") = "9"
    & skf18("7","3","10","1","8","5","1") = "9"
    & skf18("7","3","10","1","8","6","1") = "9"
    & skf18("7","3","10","1","8","7","1") = "9"
    & skf18("7","3","10","1","8","8","1") = "9"
    & skf18("7","3","10","1","8","9","1") = "9"
    & skf18("7","3","10","1","8","10","1") = "9"
    & skf18("7","3","10","1","9","1","1") = "9"
    & skf18("7","3","10","1","9","2","1") = "9"
    & skf18("7","3","10","1","9","3","1") = "9"
    & skf18("7","3","10","1","9","4","1") = "9"
    & skf18("7","3","10","1","9","5","1") = "9"
    & skf18("7","3","10","1","9","6","1") = "9"
    & skf18("7","3","10","1","9","7","1") = "9"
    & skf18("7","3","10","1","9","8","1") = "9"
    & skf18("7","3","10","1","9","9","1") = "9"
    & skf18("7","3","10","1","9","10","1") = "9"
    & skf18("7","3","10","1","10","1","1") = "9"
    & skf18("7","3","10","1","10","2","1") = "9"
    & skf18("7","3","10","1","10","3","1") = "9"
    & skf18("7","3","10","1","10","4","1") = "9"
    & skf18("7","3","10","1","10","5","1") = "9"
    & skf18("7","3","10","1","10","6","1") = "9"
    & skf18("7","3","10","1","10","7","1") = "9"
    & skf18("7","3","10","1","10","8","1") = "9"
    & skf18("7","3","10","1","10","9","1") = "9"
    & skf18("7","3","10","1","10","10","1") = "9"
    & skf18("7","3","10","2","1","1","1") = "9"
    & skf18("7","3","10","2","1","2","1") = "9"
    & skf18("7","3","10","2","1","3","1") = "9"
    & skf18("7","3","10","2","1","4","1") = "9"
    & skf18("7","3","10","2","1","5","1") = "9"
    & skf18("7","3","10","2","1","6","1") = "9"
    & skf18("7","3","10","2","1","7","1") = "9"
    & skf18("7","3","10","2","1","8","1") = "9"
    & skf18("7","3","10","2","1","9","1") = "9"
    & skf18("7","3","10","2","1","10","1") = "9"
    & skf18("7","3","10","2","2","1","1") = "9"
    & skf18("7","3","10","2","2","2","1") = "9"
    & skf18("7","3","10","2","2","3","1") = "9"
    & skf18("7","3","10","2","2","4","1") = "9"
    & skf18("7","3","10","2","2","5","1") = "9"
    & skf18("7","3","10","2","2","6","1") = "9"
    & skf18("7","3","10","2","2","7","1") = "9"
    & skf18("7","3","10","2","2","8","1") = "9"
    & skf18("7","3","10","2","2","9","1") = "9"
    & skf18("7","3","10","2","2","10","1") = "9"
    & skf18("7","3","10","2","3","1","1") = "9"
    & skf18("7","3","10","2","3","2","1") = "9"
    & skf18("7","3","10","2","3","3","1") = "9"
    & skf18("7","3","10","2","3","4","1") = "9"
    & skf18("7","3","10","2","3","5","1") = "9"
    & skf18("7","3","10","2","3","6","1") = "9"
    & skf18("7","3","10","2","3","7","1") = "9"
    & skf18("7","3","10","2","3","8","1") = "9"
    & skf18("7","3","10","2","3","9","1") = "9"
    & skf18("7","3","10","2","3","10","1") = "9"
    & skf18("7","3","10","2","4","1","1") = "9"
    & skf18("7","3","10","2","4","2","1") = "9"
    & skf18("7","3","10","2","4","3","1") = "9"
    & skf18("7","3","10","2","4","4","1") = "9"
    & skf18("7","3","10","2","4","5","1") = "9"
    & skf18("7","3","10","2","4","6","1") = "9"
    & skf18("7","3","10","2","4","7","1") = "9"
    & skf18("7","3","10","2","4","8","1") = "9"
    & skf18("7","3","10","2","4","9","1") = "9"
    & skf18("7","3","10","2","4","10","1") = "9"
    & skf18("7","3","10","2","5","1","1") = "9"
    & skf18("7","3","10","2","5","2","1") = "9"
    & skf18("7","3","10","2","5","3","1") = "9"
    & skf18("7","3","10","2","5","4","1") = "9"
    & skf18("7","3","10","2","5","5","1") = "9"
    & skf18("7","3","10","2","5","6","1") = "9"
    & skf18("7","3","10","2","5","7","1") = "9"
    & skf18("7","3","10","2","5","8","1") = "9"
    & skf18("7","3","10","2","5","9","1") = "9"
    & skf18("7","3","10","2","5","10","1") = "9"
    & skf18("7","3","10","2","6","1","1") = "9"
    & skf18("7","3","10","2","6","2","1") = "9"
    & skf18("7","3","10","2","6","3","1") = "9"
    & skf18("7","3","10","2","6","4","1") = "9"
    & skf18("7","3","10","2","6","5","1") = "9"
    & skf18("7","3","10","2","6","6","1") = "9"
    & skf18("7","3","10","2","6","7","1") = "9"
    & skf18("7","3","10","2","6","8","1") = "9"
    & skf18("7","3","10","2","6","9","1") = "9"
    & skf18("7","3","10","2","6","10","1") = "9"
    & skf18("7","3","10","2","7","1","1") = "9"
    & skf18("7","3","10","2","7","2","1") = "9"
    & skf18("7","3","10","2","7","3","1") = "9"
    & skf18("7","3","10","2","7","4","1") = "9"
    & skf18("7","3","10","2","7","5","1") = "9"
    & skf18("7","3","10","2","7","6","1") = "9"
    & skf18("7","3","10","2","7","7","1") = "9"
    & skf18("7","3","10","2","7","8","1") = "9"
    & skf18("7","3","10","2","7","9","1") = "9"
    & skf18("7","3","10","2","7","10","1") = "9"
    & skf18("7","3","10","2","8","1","1") = "9"
    & skf18("7","3","10","2","8","2","1") = "9"
    & skf18("7","3","10","2","8","3","1") = "9"
    & skf18("7","3","10","2","8","4","1") = "9"
    & skf18("7","3","10","2","8","5","1") = "9"
    & skf18("7","3","10","2","8","6","1") = "9"
    & skf18("7","3","10","2","8","7","1") = "9"
    & skf18("7","3","10","2","8","8","1") = "9"
    & skf18("7","3","10","2","8","9","1") = "9"
    & skf18("7","3","10","2","8","10","1") = "9"
    & skf18("7","3","10","2","9","1","1") = "9"
    & skf18("7","3","10","2","9","2","1") = "9"
    & skf18("7","3","10","2","9","3","1") = "9"
    & skf18("7","3","10","2","9","4","1") = "9"
    & skf18("7","3","10","2","9","5","1") = "9"
    & skf18("7","3","10","2","9","6","1") = "9"
    & skf18("7","3","10","2","9","7","1") = "9"
    & skf18("7","3","10","2","9","8","1") = "9"
    & skf18("7","3","10","2","9","9","1") = "9"
    & skf18("7","3","10","2","9","10","1") = "9"
    & skf18("7","3","10","2","10","1","1") = "9"
    & skf18("7","3","10","2","10","2","1") = "9"
    & skf18("7","3","10","2","10","3","1") = "9"
    & skf18("7","3","10","2","10","4","1") = "9"
    & skf18("7","3","10","2","10","5","1") = "9"
    & skf18("7","3","10","2","10","6","1") = "9"
    & skf18("7","3","10","2","10","7","1") = "9"
    & skf18("7","3","10","2","10","8","1") = "9"
    & skf18("7","3","10","2","10","9","1") = "9"
    & skf18("7","3","10","2","10","10","1") = "9"
    & skf18("7","3","10","3","1","1","1") = "9"
    & skf18("7","3","10","3","1","2","1") = "9"
    & skf18("7","3","10","3","1","3","1") = "9"
    & skf18("7","3","10","3","1","4","1") = "9"
    & skf18("7","3","10","3","1","5","1") = "9"
    & skf18("7","3","10","3","1","6","1") = "9"
    & skf18("7","3","10","3","1","7","1") = "9"
    & skf18("7","3","10","3","1","8","1") = "9"
    & skf18("7","3","10","3","1","9","1") = "9"
    & skf18("7","3","10","3","1","10","1") = "9"
    & skf18("7","3","10","3","2","1","1") = "9"
    & skf18("7","3","10","3","2","2","1") = "9"
    & skf18("7","3","10","3","2","3","1") = "9"
    & skf18("7","3","10","3","2","4","1") = "9"
    & skf18("7","3","10","3","2","5","1") = "9"
    & skf18("7","3","10","3","2","6","1") = "9"
    & skf18("7","3","10","3","2","7","1") = "9"
    & skf18("7","3","10","3","2","8","1") = "9"
    & skf18("7","3","10","3","2","9","1") = "9"
    & skf18("7","3","10","3","2","10","1") = "9"
    & skf18("7","3","10","3","3","1","1") = "9"
    & skf18("7","3","10","3","3","2","1") = "9"
    & skf18("7","3","10","3","3","3","1") = "9"
    & skf18("7","3","10","3","3","4","1") = "9"
    & skf18("7","3","10","3","3","5","1") = "9"
    & skf18("7","3","10","3","3","6","1") = "9"
    & skf18("7","3","10","3","3","7","1") = "9"
    & skf18("7","3","10","3","3","8","1") = "9"
    & skf18("7","3","10","3","3","9","1") = "9"
    & skf18("7","3","10","3","3","10","1") = "9"
    & skf18("7","3","10","3","4","1","1") = "9"
    & skf18("7","3","10","3","4","2","1") = "9"
    & skf18("7","3","10","3","4","3","1") = "9"
    & skf18("7","3","10","3","4","4","1") = "9"
    & skf18("7","3","10","3","4","5","1") = "9"
    & skf18("7","3","10","3","4","6","1") = "9"
    & skf18("7","3","10","3","4","7","1") = "9"
    & skf18("7","3","10","3","4","8","1") = "9"
    & skf18("7","3","10","3","4","9","1") = "9"
    & skf18("7","3","10","3","4","10","1") = "9"
    & skf18("7","3","10","3","5","1","1") = "9"
    & skf18("7","3","10","3","5","2","1") = "9"
    & skf18("7","3","10","3","5","3","1") = "9"
    & skf18("7","3","10","3","5","4","1") = "9"
    & skf18("7","3","10","3","5","5","1") = "9"
    & skf18("7","3","10","3","5","6","1") = "9"
    & skf18("7","3","10","3","5","7","1") = "9"
    & skf18("7","3","10","3","5","8","1") = "9"
    & skf18("7","3","10","3","5","9","1") = "9"
    & skf18("7","3","10","3","5","10","1") = "9"
    & skf18("7","3","10","3","6","1","1") = "9"
    & skf18("7","3","10","3","6","2","1") = "9"
    & skf18("7","3","10","3","6","3","1") = "9"
    & skf18("7","3","10","3","6","4","1") = "9"
    & skf18("7","3","10","3","6","5","1") = "9"
    & skf18("7","3","10","3","6","6","1") = "9"
    & skf18("7","3","10","3","6","7","1") = "9"
    & skf18("7","3","10","3","6","8","1") = "9"
    & skf18("7","3","10","3","6","9","1") = "9"
    & skf18("7","3","10","3","6","10","1") = "9"
    & skf18("7","3","10","3","7","1","1") = "9"
    & skf18("7","3","10","3","7","2","1") = "9"
    & skf18("7","3","10","3","7","3","1") = "9"
    & skf18("7","3","10","3","7","4","1") = "9"
    & skf18("7","3","10","3","7","5","1") = "9"
    & skf18("7","3","10","3","7","6","1") = "9"
    & skf18("7","3","10","3","7","7","1") = "9"
    & skf18("7","3","10","3","7","8","1") = "9"
    & skf18("7","3","10","3","7","9","1") = "9"
    & skf18("7","3","10","3","7","10","1") = "9"
    & skf18("7","3","10","3","8","1","1") = "9"
    & skf18("7","3","10","3","8","2","1") = "9"
    & skf18("7","3","10","3","8","3","1") = "9"
    & skf18("7","3","10","3","8","4","1") = "9"
    & skf18("7","3","10","3","8","5","1") = "9"
    & skf18("7","3","10","3","8","6","1") = "9"
    & skf18("7","3","10","3","8","7","1") = "9"
    & skf18("7","3","10","3","8","8","1") = "9"
    & skf18("7","3","10","3","8","9","1") = "9"
    & skf18("7","3","10","3","8","10","1") = "9"
    & skf18("7","3","10","3","9","1","1") = "9"
    & skf18("7","3","10","3","9","2","1") = "9"
    & skf18("7","3","10","3","9","3","1") = "9"
    & skf18("7","3","10","3","9","4","1") = "9"
    & skf18("7","3","10","3","9","5","1") = "9"
    & skf18("7","3","10","3","9","6","1") = "9"
    & skf18("7","3","10","3","9","7","1") = "9"
    & skf18("7","3","10","3","9","8","1") = "9"
    & skf18("7","3","10","3","9","9","1") = "9"
    & skf18("7","3","10","3","9","10","1") = "9"
    & skf18("7","3","10","3","10","1","1") = "9"
    & skf18("7","3","10","3","10","2","1") = "9"
    & skf18("7","3","10","3","10","3","1") = "9"
    & skf18("7","3","10","3","10","4","1") = "9"
    & skf18("7","3","10","3","10","5","1") = "9"
    & skf18("7","3","10","3","10","6","1") = "9"
    & skf18("7","3","10","3","10","7","1") = "9"
    & skf18("7","3","10","3","10","8","1") = "9"
    & skf18("7","3","10","3","10","9","1") = "9"
    & skf18("7","3","10","3","10","10","1") = "9"
    & skf18("7","3","10","4","1","1","1") = "9"
    & skf18("7","3","10","4","1","2","1") = "9"
    & skf18("7","3","10","4","1","3","1") = "9"
    & skf18("7","3","10","4","1","4","1") = "9"
    & skf18("7","3","10","4","1","5","1") = "9"
    & skf18("7","3","10","4","1","6","1") = "9"
    & skf18("7","3","10","4","1","7","1") = "9"
    & skf18("7","3","10","4","1","8","1") = "9"
    & skf18("7","3","10","4","1","9","1") = "9"
    & skf18("7","3","10","4","1","10","1") = "9"
    & skf18("7","3","10","4","2","1","1") = "9"
    & skf18("7","3","10","4","2","2","1") = "9"
    & skf18("7","3","10","4","2","3","1") = "9"
    & skf18("7","3","10","4","2","4","1") = "9"
    & skf18("7","3","10","4","2","5","1") = "9"
    & skf18("7","3","10","4","2","6","1") = "9"
    & skf18("7","3","10","4","2","7","1") = "9"
    & skf18("7","3","10","4","2","8","1") = "9"
    & skf18("7","3","10","4","2","9","1") = "9"
    & skf18("7","3","10","4","2","10","1") = "9"
    & skf18("7","3","10","4","3","1","1") = "9"
    & skf18("7","3","10","4","3","2","1") = "9"
    & skf18("7","3","10","4","3","3","1") = "9"
    & skf18("7","3","10","4","3","4","1") = "9"
    & skf18("7","3","10","4","3","5","1") = "9"
    & skf18("7","3","10","4","3","6","1") = "9"
    & skf18("7","3","10","4","3","7","1") = "9"
    & skf18("7","3","10","4","3","8","1") = "9"
    & skf18("7","3","10","4","3","9","1") = "9"
    & skf18("7","3","10","4","3","10","1") = "9"
    & skf18("7","3","10","4","4","1","1") = "9"
    & skf18("7","3","10","4","4","2","1") = "9"
    & skf18("7","3","10","4","4","3","1") = "9"
    & skf18("7","3","10","4","4","4","1") = "9"
    & skf18("7","3","10","4","4","5","1") = "9"
    & skf18("7","3","10","4","4","6","1") = "9"
    & skf18("7","3","10","4","4","7","1") = "9"
    & skf18("7","3","10","4","4","8","1") = "9"
    & skf18("7","3","10","4","4","9","1") = "9"
    & skf18("7","3","10","4","4","10","1") = "9"
    & skf18("7","3","10","4","5","1","1") = "9"
    & skf18("7","3","10","4","5","2","1") = "9"
    & skf18("7","3","10","4","5","3","1") = "9"
    & skf18("7","3","10","4","5","4","1") = "9"
    & skf18("7","3","10","4","5","5","1") = "9"
    & skf18("7","3","10","4","5","6","1") = "9"
    & skf18("7","3","10","4","5","7","1") = "9"
    & skf18("7","3","10","4","5","8","1") = "9"
    & skf18("7","3","10","4","5","9","1") = "9"
    & skf18("7","3","10","4","5","10","1") = "9"
    & skf18("7","3","10","4","6","1","1") = "9"
    & skf18("7","3","10","4","6","2","1") = "9"
    & skf18("7","3","10","4","6","3","1") = "9"
    & skf18("7","3","10","4","6","4","1") = "9"
    & skf18("7","3","10","4","6","5","1") = "9"
    & skf18("7","3","10","4","6","6","1") = "9"
    & skf18("7","3","10","4","6","7","1") = "9"
    & skf18("7","3","10","4","6","8","1") = "9"
    & skf18("7","3","10","4","6","9","1") = "9"
    & skf18("7","3","10","4","6","10","1") = "9"
    & skf18("7","3","10","4","7","1","1") = "9"
    & skf18("7","3","10","4","7","2","1") = "9"
    & skf18("7","3","10","4","7","3","1") = "9"
    & skf18("7","3","10","4","7","4","1") = "9"
    & skf18("7","3","10","4","7","5","1") = "9"
    & skf18("7","3","10","4","7","6","1") = "9"
    & skf18("7","3","10","4","7","7","1") = "9"
    & skf18("7","3","10","4","7","8","1") = "9"
    & skf18("7","3","10","4","7","9","1") = "9"
    & skf18("7","3","10","4","7","10","1") = "9"
    & skf18("7","3","10","4","8","1","1") = "9"
    & skf18("7","3","10","4","8","2","1") = "9"
    & skf18("7","3","10","4","8","3","1") = "9"
    & skf18("7","3","10","4","8","4","1") = "9"
    & skf18("7","3","10","4","8","5","1") = "9"
    & skf18("7","3","10","4","8","6","1") = "9"
    & skf18("7","3","10","4","8","7","1") = "9"
    & skf18("7","3","10","4","8","8","1") = "9"
    & skf18("7","3","10","4","8","9","1") = "9"
    & skf18("7","3","10","4","8","10","1") = "9"
    & skf18("7","3","10","4","9","1","1") = "9"
    & skf18("7","3","10","4","9","2","1") = "9"
    & skf18("7","3","10","4","9","3","1") = "9"
    & skf18("7","3","10","4","9","4","1") = "9"
    & skf18("7","3","10","4","9","5","1") = "9"
    & skf18("7","3","10","4","9","6","1") = "9"
    & skf18("7","3","10","4","9","7","1") = "9"
    & skf18("7","3","10","4","9","8","1") = "9"
    & skf18("7","3","10","4","9","9","1") = "9"
    & skf18("7","3","10","4","9","10","1") = "9"
    & skf18("7","3","10","4","10","1","1") = "9"
    & skf18("7","3","10","4","10","2","1") = "9"
    & skf18("7","3","10","4","10","3","1") = "9"
    & skf18("7","3","10","4","10","4","1") = "9"
    & skf18("7","3","10","4","10","5","1") = "9"
    & skf18("7","3","10","4","10","6","1") = "9"
    & skf18("7","3","10","4","10","7","1") = "9"
    & skf18("7","3","10","4","10","8","1") = "9"
    & skf18("7","3","10","4","10","9","1") = "9"
    & skf18("7","3","10","4","10","10","1") = "9"
    & skf18("7","3","10","5","1","1","1") = "9"
    & skf18("7","3","10","5","1","2","1") = "9"
    & skf18("7","3","10","5","1","3","1") = "9"
    & skf18("7","3","10","5","1","4","1") = "9"
    & skf18("7","3","10","5","1","5","1") = "9"
    & skf18("7","3","10","5","1","6","1") = "9"
    & skf18("7","3","10","5","1","7","1") = "9"
    & skf18("7","3","10","5","1","8","1") = "9"
    & skf18("7","3","10","5","1","9","1") = "9"
    & skf18("7","3","10","5","1","10","1") = "9"
    & skf18("7","3","10","5","2","1","1") = "9"
    & skf18("7","3","10","5","2","2","1") = "9"
    & skf18("7","3","10","5","2","3","1") = "9"
    & skf18("7","3","10","5","2","4","1") = "9"
    & skf18("7","3","10","5","2","5","1") = "9"
    & skf18("7","3","10","5","2","6","1") = "9"
    & skf18("7","3","10","5","2","7","1") = "9"
    & skf18("7","3","10","5","2","8","1") = "9"
    & skf18("7","3","10","5","2","9","1") = "9"
    & skf18("7","3","10","5","2","10","1") = "9"
    & skf18("7","3","10","5","3","1","1") = "9"
    & skf18("7","3","10","5","3","2","1") = "9"
    & skf18("7","3","10","5","3","3","1") = "9"
    & skf18("7","3","10","5","3","4","1") = "9"
    & skf18("7","3","10","5","3","5","1") = "9"
    & skf18("7","3","10","5","3","6","1") = "9"
    & skf18("7","3","10","5","3","7","1") = "9"
    & skf18("7","3","10","5","3","8","1") = "9"
    & skf18("7","3","10","5","3","9","1") = "9"
    & skf18("7","3","10","5","3","10","1") = "9"
    & skf18("7","3","10","5","4","1","1") = "9"
    & skf18("7","3","10","5","4","2","1") = "9"
    & skf18("7","3","10","5","4","3","1") = "9"
    & skf18("7","3","10","5","4","4","1") = "9"
    & skf18("7","3","10","5","4","5","1") = "9"
    & skf18("7","3","10","5","4","6","1") = "9"
    & skf18("7","3","10","5","4","7","1") = "9"
    & skf18("7","3","10","5","4","8","1") = "9"
    & skf18("7","3","10","5","4","9","1") = "9"
    & skf18("7","3","10","5","4","10","1") = "9"
    & skf18("7","3","10","5","5","1","1") = "9"
    & skf18("7","3","10","5","5","2","1") = "9"
    & skf18("7","3","10","5","5","3","1") = "9"
    & skf18("7","3","10","5","5","4","1") = "9"
    & skf18("7","3","10","5","5","5","1") = "9"
    & skf18("7","3","10","5","5","6","1") = "9"
    & skf18("7","3","10","5","5","7","1") = "9"
    & skf18("7","3","10","5","5","8","1") = "9"
    & skf18("7","3","10","5","5","9","1") = "9"
    & skf18("7","3","10","5","5","10","1") = "9"
    & skf18("7","3","10","5","6","1","1") = "9"
    & skf18("7","3","10","5","6","2","1") = "9"
    & skf18("7","3","10","5","6","3","1") = "9"
    & skf18("7","3","10","5","6","4","1") = "9"
    & skf18("7","3","10","5","6","5","1") = "9"
    & skf18("7","3","10","5","6","6","1") = "9"
    & skf18("7","3","10","5","6","7","1") = "9"
    & skf18("7","3","10","5","6","8","1") = "9"
    & skf18("7","3","10","5","6","9","1") = "9"
    & skf18("7","3","10","5","6","10","1") = "9"
    & skf18("7","3","10","5","7","1","1") = "9"
    & skf18("7","3","10","5","7","2","1") = "9"
    & skf18("7","3","10","5","7","3","1") = "9"
    & skf18("7","3","10","5","7","4","1") = "9"
    & skf18("7","3","10","5","7","5","1") = "9"
    & skf18("7","3","10","5","7","6","1") = "9"
    & skf18("7","3","10","5","7","7","1") = "9"
    & skf18("7","3","10","5","7","8","1") = "9"
    & skf18("7","3","10","5","7","9","1") = "9"
    & skf18("7","3","10","5","7","10","1") = "9"
    & skf18("7","3","10","5","8","1","1") = "9"
    & skf18("7","3","10","5","8","2","1") = "9"
    & skf18("7","3","10","5","8","3","1") = "9"
    & skf18("7","3","10","5","8","4","1") = "9"
    & skf18("7","3","10","5","8","5","1") = "9"
    & skf18("7","3","10","5","8","6","1") = "9"
    & skf18("7","3","10","5","8","7","1") = "9"
    & skf18("7","3","10","5","8","8","1") = "9"
    & skf18("7","3","10","5","8","9","1") = "9"
    & skf18("7","3","10","5","8","10","1") = "9"
    & skf18("7","3","10","5","9","1","1") = "9"
    & skf18("7","3","10","5","9","2","1") = "9"
    & skf18("7","3","10","5","9","3","1") = "9"
    & skf18("7","3","10","5","9","4","1") = "9"
    & skf18("7","3","10","5","9","5","1") = "9"
    & skf18("7","3","10","5","9","6","1") = "9"
    & skf18("7","3","10","5","9","7","1") = "9"
    & skf18("7","3","10","5","9","8","1") = "9"
    & skf18("7","3","10","5","9","9","1") = "9"
    & skf18("7","3","10","5","9","10","1") = "9"
    & skf18("7","3","10","5","10","1","1") = "9"
    & skf18("7","3","10","5","10","2","1") = "9"
    & skf18("7","3","10","5","10","3","1") = "9"
    & skf18("7","3","10","5","10","4","1") = "9"
    & skf18("7","3","10","5","10","5","1") = "9"
    & skf18("7","3","10","5","10","6","1") = "9"
    & skf18("7","3","10","5","10","7","1") = "9"
    & skf18("7","3","10","5","10","8","1") = "9"
    & skf18("7","3","10","5","10","9","1") = "9"
    & skf18("7","3","10","5","10","10","1") = "9"
    & skf18("7","3","10","6","1","1","1") = "9"
    & skf18("7","3","10","6","1","2","1") = "9"
    & skf18("7","3","10","6","1","3","1") = "9"
    & skf18("7","3","10","6","1","4","1") = "9"
    & skf18("7","3","10","6","1","5","1") = "9"
    & skf18("7","3","10","6","1","6","1") = "9"
    & skf18("7","3","10","6","1","7","1") = "9"
    & skf18("7","3","10","6","1","8","1") = "9"
    & skf18("7","3","10","6","1","9","1") = "9"
    & skf18("7","3","10","6","1","10","1") = "9"
    & skf18("7","3","10","6","2","1","1") = "9"
    & skf18("7","3","10","6","2","2","1") = "9"
    & skf18("7","3","10","6","2","3","1") = "9"
    & skf18("7","3","10","6","2","4","1") = "9"
    & skf18("7","3","10","6","2","5","1") = "9"
    & skf18("7","3","10","6","2","6","1") = "9"
    & skf18("7","3","10","6","2","7","1") = "9"
    & skf18("7","3","10","6","2","8","1") = "9"
    & skf18("7","3","10","6","2","9","1") = "9"
    & skf18("7","3","10","6","2","10","1") = "9"
    & skf18("7","3","10","6","3","1","1") = "9"
    & skf18("7","3","10","6","3","2","1") = "9"
    & skf18("7","3","10","6","3","3","1") = "9"
    & skf18("7","3","10","6","3","4","1") = "9"
    & skf18("7","3","10","6","3","5","1") = "9"
    & skf18("7","3","10","6","3","6","1") = "9"
    & skf18("7","3","10","6","3","7","1") = "9"
    & skf18("7","3","10","6","3","8","1") = "9"
    & skf18("7","3","10","6","3","9","1") = "9"
    & skf18("7","3","10","6","3","10","1") = "9"
    & skf18("7","3","10","6","4","1","1") = "9"
    & skf18("7","3","10","6","4","2","1") = "9"
    & skf18("7","3","10","6","4","3","1") = "9"
    & skf18("7","3","10","6","4","4","1") = "9"
    & skf18("7","3","10","6","4","5","1") = "9"
    & skf18("7","3","10","6","4","6","1") = "9"
    & skf18("7","3","10","6","4","7","1") = "9"
    & skf18("7","3","10","6","4","8","1") = "9"
    & skf18("7","3","10","6","4","9","1") = "9"
    & skf18("7","3","10","6","4","10","1") = "9"
    & skf18("7","3","10","6","5","1","1") = "9"
    & skf18("7","3","10","6","5","2","1") = "9"
    & skf18("7","3","10","6","5","3","1") = "9"
    & skf18("7","3","10","6","5","4","1") = "9"
    & skf18("7","3","10","6","5","5","1") = "9"
    & skf18("7","3","10","6","5","6","1") = "9"
    & skf18("7","3","10","6","5","7","1") = "9"
    & skf18("7","3","10","6","5","8","1") = "9"
    & skf18("7","3","10","6","5","9","1") = "9"
    & skf18("7","3","10","6","5","10","1") = "9"
    & skf18("7","3","10","6","6","1","1") = "9"
    & skf18("7","3","10","6","6","2","1") = "9"
    & skf18("7","3","10","6","6","3","1") = "9"
    & skf18("7","3","10","6","6","4","1") = "9"
    & skf18("7","3","10","6","6","5","1") = "9"
    & skf18("7","3","10","6","6","6","1") = "9"
    & skf18("7","3","10","6","6","7","1") = "9"
    & skf18("7","3","10","6","6","8","1") = "9"
    & skf18("7","3","10","6","6","9","1") = "9"
    & skf18("7","3","10","6","6","10","1") = "9"
    & skf18("7","3","10","6","7","1","1") = "9"
    & skf18("7","3","10","6","7","2","1") = "9"
    & skf18("7","3","10","6","7","3","1") = "9"
    & skf18("7","3","10","6","7","4","1") = "9"
    & skf18("7","3","10","6","7","5","1") = "9"
    & skf18("7","3","10","6","7","6","1") = "9"
    & skf18("7","3","10","6","7","7","1") = "9"
    & skf18("7","3","10","6","7","8","1") = "9"
    & skf18("7","3","10","6","7","9","1") = "9"
    & skf18("7","3","10","6","7","10","1") = "9"
    & skf18("7","3","10","6","8","1","1") = "9"
    & skf18("7","3","10","6","8","2","1") = "9"
    & skf18("7","3","10","6","8","3","1") = "9"
    & skf18("7","3","10","6","8","4","1") = "9"
    & skf18("7","3","10","6","8","5","1") = "9"
    & skf18("7","3","10","6","8","6","1") = "9"
    & skf18("7","3","10","6","8","7","1") = "9"
    & skf18("7","3","10","6","8","8","1") = "9"
    & skf18("7","3","10","6","8","9","1") = "9"
    & skf18("7","3","10","6","8","10","1") = "9"
    & skf18("7","3","10","6","9","1","1") = "9"
    & skf18("7","3","10","6","9","2","1") = "9"
    & skf18("7","3","10","6","9","3","1") = "9"
    & skf18("7","3","10","6","9","4","1") = "9"
    & skf18("7","3","10","6","9","5","1") = "9"
    & skf18("7","3","10","6","9","6","1") = "9"
    & skf18("7","3","10","6","9","7","1") = "9"
    & skf18("7","3","10","6","9","8","1") = "9"
    & skf18("7","3","10","6","9","9","1") = "9"
    & skf18("7","3","10","6","9","10","1") = "9"
    & skf18("7","3","10","6","10","1","1") = "9"
    & skf18("7","3","10","6","10","2","1") = "9"
    & skf18("7","3","10","6","10","3","1") = "9"
    & skf18("7","3","10","6","10","4","1") = "9"
    & skf18("7","3","10","6","10","5","1") = "9"
    & skf18("7","3","10","6","10","6","1") = "9"
    & skf18("7","3","10","6","10","7","1") = "9"
    & skf18("7","3","10","6","10","8","1") = "9"
    & skf18("7","3","10","6","10","9","1") = "9"
    & skf18("7","3","10","6","10","10","1") = "9"
    & skf18("7","3","10","7","1","1","1") = "9"
    & skf18("7","3","10","7","1","2","1") = "9"
    & skf18("7","3","10","7","1","3","1") = "9"
    & skf18("7","3","10","7","1","4","1") = "9"
    & skf18("7","3","10","7","1","5","1") = "9"
    & skf18("7","3","10","7","1","6","1") = "9"
    & skf18("7","3","10","7","1","7","1") = "9"
    & skf18("7","3","10","7","1","8","1") = "9"
    & skf18("7","3","10","7","1","9","1") = "9"
    & skf18("7","3","10","7","1","10","1") = "9"
    & skf18("7","3","10","7","2","1","1") = "9"
    & skf18("7","3","10","7","2","2","1") = "9"
    & skf18("7","3","10","7","2","3","1") = "9"
    & skf18("7","3","10","7","2","4","1") = "9"
    & skf18("7","3","10","7","2","5","1") = "9"
    & skf18("7","3","10","7","2","6","1") = "9"
    & skf18("7","3","10","7","2","7","1") = "9"
    & skf18("7","3","10","7","2","8","1") = "9"
    & skf18("7","3","10","7","2","9","1") = "9"
    & skf18("7","3","10","7","2","10","1") = "9"
    & skf18("7","3","10","7","3","1","1") = "9"
    & skf18("7","3","10","7","3","2","1") = "9"
    & skf18("7","3","10","7","3","3","1") = "9"
    & skf18("7","3","10","7","3","4","1") = "9"
    & skf18("7","3","10","7","3","5","1") = "9"
    & skf18("7","3","10","7","3","6","1") = "9"
    & skf18("7","3","10","7","3","7","1") = "9"
    & skf18("7","3","10","7","3","8","1") = "9"
    & skf18("7","3","10","7","3","9","1") = "9"
    & skf18("7","3","10","7","3","10","1") = "9"
    & skf18("7","3","10","7","4","1","1") = "9"
    & skf18("7","3","10","7","4","2","1") = "9"
    & skf18("7","3","10","7","4","3","1") = "9"
    & skf18("7","3","10","7","4","4","1") = "9"
    & skf18("7","3","10","7","4","5","1") = "9"
    & skf18("7","3","10","7","4","6","1") = "9"
    & skf18("7","3","10","7","4","7","1") = "9"
    & skf18("7","3","10","7","4","8","1") = "9"
    & skf18("7","3","10","7","4","9","1") = "9"
    & skf18("7","3","10","7","4","10","1") = "9"
    & skf18("7","3","10","7","5","1","1") = "9"
    & skf18("7","3","10","7","5","2","1") = "9"
    & skf18("7","3","10","7","5","3","1") = "9"
    & skf18("7","3","10","7","5","4","1") = "9"
    & skf18("7","3","10","7","5","5","1") = "9"
    & skf18("7","3","10","7","5","6","1") = "9"
    & skf18("7","3","10","7","5","7","1") = "9"
    & skf18("7","3","10","7","5","8","1") = "9"
    & skf18("7","3","10","7","5","9","1") = "9"
    & skf18("7","3","10","7","5","10","1") = "9"
    & skf18("7","3","10","7","6","1","1") = "9"
    & skf18("7","3","10","7","6","2","1") = "9"
    & skf18("7","3","10","7","6","3","1") = "9"
    & skf18("7","3","10","7","6","4","1") = "9"
    & skf18("7","3","10","7","6","5","1") = "9"
    & skf18("7","3","10","7","6","6","1") = "9"
    & skf18("7","3","10","7","6","7","1") = "9"
    & skf18("7","3","10","7","6","8","1") = "9"
    & skf18("7","3","10","7","6","9","1") = "9"
    & skf18("7","3","10","7","6","10","1") = "9"
    & skf18("7","3","10","7","7","1","1") = "9"
    & skf18("7","3","10","7","7","2","1") = "9"
    & skf18("7","3","10","7","7","3","1") = "9"
    & skf18("7","3","10","7","7","4","1") = "9"
    & skf18("7","3","10","7","7","5","1") = "9"
    & skf18("7","3","10","7","7","6","1") = "9"
    & skf18("7","3","10","7","7","7","1") = "9"
    & skf18("7","3","10","7","7","8","1") = "9"
    & skf18("7","3","10","7","7","9","1") = "9"
    & skf18("7","3","10","7","7","10","1") = "9"
    & skf18("7","3","10","7","8","1","1") = "9"
    & skf18("7","3","10","7","8","2","1") = "9"
    & skf18("7","3","10","7","8","3","1") = "9"
    & skf18("7","3","10","7","8","4","1") = "9"
    & skf18("7","3","10","7","8","5","1") = "9"
    & skf18("7","3","10","7","8","6","1") = "9"
    & skf18("7","3","10","7","8","7","1") = "9"
    & skf18("7","3","10","7","8","8","1") = "9"
    & skf18("7","3","10","7","8","9","1") = "9"
    & skf18("7","3","10","7","8","10","1") = "9"
    & skf18("7","3","10","7","9","1","1") = "9"
    & skf18("7","3","10","7","9","2","1") = "9"
    & skf18("7","3","10","7","9","3","1") = "9"
    & skf18("7","3","10","7","9","4","1") = "9"
    & skf18("7","3","10","7","9","5","1") = "9"
    & skf18("7","3","10","7","9","6","1") = "9"
    & skf18("7","3","10","7","9","7","1") = "9"
    & skf18("7","3","10","7","9","8","1") = "9"
    & skf18("7","3","10","7","9","9","1") = "9"
    & skf18("7","3","10","7","9","10","1") = "9"
    & skf18("7","3","10","7","10","1","1") = "9"
    & skf18("7","3","10","7","10","2","1") = "9"
    & skf18("7","3","10","7","10","3","1") = "9"
    & skf18("7","3","10","7","10","4","1") = "9"
    & skf18("7","3","10","7","10","5","1") = "9"
    & skf18("7","3","10","7","10","6","1") = "9"
    & skf18("7","3","10","7","10","7","1") = "9"
    & skf18("7","3","10","7","10","8","1") = "9"
    & skf18("7","3","10","7","10","9","1") = "9"
    & skf18("7","3","10","7","10","10","1") = "9"
    & skf18("7","3","10","8","1","1","1") = "9"
    & skf18("7","3","10","8","1","2","1") = "9"
    & skf18("7","3","10","8","1","3","1") = "9"
    & skf18("7","3","10","8","1","4","1") = "9"
    & skf18("7","3","10","8","1","5","1") = "9"
    & skf18("7","3","10","8","1","6","1") = "9"
    & skf18("7","3","10","8","1","7","1") = "9"
    & skf18("7","3","10","8","1","8","1") = "9"
    & skf18("7","3","10","8","1","9","1") = "9"
    & skf18("7","3","10","8","1","10","1") = "9"
    & skf18("7","3","10","8","2","1","1") = "9"
    & skf18("7","3","10","8","2","2","1") = "9"
    & skf18("7","3","10","8","2","3","1") = "9"
    & skf18("7","3","10","8","2","4","1") = "9"
    & skf18("7","3","10","8","2","5","1") = "9"
    & skf18("7","3","10","8","2","6","1") = "9"
    & skf18("7","3","10","8","2","7","1") = "9"
    & skf18("7","3","10","8","2","8","1") = "9"
    & skf18("7","3","10","8","2","9","1") = "9"
    & skf18("7","3","10","8","2","10","1") = "9"
    & skf18("7","3","10","8","3","1","1") = "9"
    & skf18("7","3","10","8","3","2","1") = "9"
    & skf18("7","3","10","8","3","3","1") = "9"
    & skf18("7","3","10","8","3","4","1") = "9"
    & skf18("7","3","10","8","3","5","1") = "9"
    & skf18("7","3","10","8","3","6","1") = "9"
    & skf18("7","3","10","8","3","7","1") = "9"
    & skf18("7","3","10","8","3","8","1") = "9"
    & skf18("7","3","10","8","3","9","1") = "9"
    & skf18("7","3","10","8","3","10","1") = "9"
    & skf18("7","3","10","8","4","1","1") = "9"
    & skf18("7","3","10","8","4","2","1") = "9"
    & skf18("7","3","10","8","4","3","1") = "9"
    & skf18("7","3","10","8","4","4","1") = "9"
    & skf18("7","3","10","8","4","5","1") = "9"
    & skf18("7","3","10","8","4","6","1") = "9"
    & skf18("7","3","10","8","4","7","1") = "9"
    & skf18("7","3","10","8","4","8","1") = "9"
    & skf18("7","3","10","8","4","9","1") = "9"
    & skf18("7","3","10","8","4","10","1") = "9"
    & skf18("7","3","10","8","5","1","1") = "9"
    & skf18("7","3","10","8","5","2","1") = "9"
    & skf18("7","3","10","8","5","3","1") = "9"
    & skf18("7","3","10","8","5","4","1") = "9"
    & skf18("7","3","10","8","5","5","1") = "9"
    & skf18("7","3","10","8","5","6","1") = "9"
    & skf18("7","3","10","8","5","7","1") = "9"
    & skf18("7","3","10","8","5","8","1") = "9"
    & skf18("7","3","10","8","5","9","1") = "9"
    & skf18("7","3","10","8","5","10","1") = "9"
    & skf18("7","3","10","8","6","1","1") = "9"
    & skf18("7","3","10","8","6","2","1") = "9"
    & skf18("7","3","10","8","6","3","1") = "9"
    & skf18("7","3","10","8","6","4","1") = "9"
    & skf18("7","3","10","8","6","5","1") = "9"
    & skf18("7","3","10","8","6","6","1") = "9"
    & skf18("7","3","10","8","6","7","1") = "9"
    & skf18("7","3","10","8","6","8","1") = "9"
    & skf18("7","3","10","8","6","9","1") = "9"
    & skf18("7","3","10","8","6","10","1") = "9"
    & skf18("7","3","10","8","7","1","1") = "9"
    & skf18("7","3","10","8","7","2","1") = "9"
    & skf18("7","3","10","8","7","3","1") = "9"
    & skf18("7","3","10","8","7","4","1") = "9"
    & skf18("7","3","10","8","7","5","1") = "9"
    & skf18("7","3","10","8","7","6","1") = "9"
    & skf18("7","3","10","8","7","7","1") = "9"
    & skf18("7","3","10","8","7","8","1") = "9"
    & skf18("7","3","10","8","7","9","1") = "9"
    & skf18("7","3","10","8","7","10","1") = "9"
    & skf18("7","3","10","8","8","1","1") = "9"
    & skf18("7","3","10","8","8","2","1") = "9"
    & skf18("7","3","10","8","8","3","1") = "9"
    & skf18("7","3","10","8","8","4","1") = "9"
    & skf18("7","3","10","8","8","5","1") = "9"
    & skf18("7","3","10","8","8","6","1") = "9"
    & skf18("7","3","10","8","8","7","1") = "9"
    & skf18("7","3","10","8","8","8","1") = "9"
    & skf18("7","3","10","8","8","9","1") = "9"
    & skf18("7","3","10","8","8","10","1") = "9"
    & skf18("7","3","10","8","9","1","1") = "9"
    & skf18("7","3","10","8","9","2","1") = "9"
    & skf18("7","3","10","8","9","3","1") = "9"
    & skf18("7","3","10","8","9","4","1") = "9"
    & skf18("7","3","10","8","9","5","1") = "9"
    & skf18("7","3","10","8","9","6","1") = "9"
    & skf18("7","3","10","8","9","7","1") = "9"
    & skf18("7","3","10","8","9","8","1") = "9"
    & skf18("7","3","10","8","9","9","1") = "9"
    & skf18("7","3","10","8","9","10","1") = "9"
    & skf18("7","3","10","8","10","1","1") = "9"
    & skf18("7","3","10","8","10","2","1") = "9"
    & skf18("7","3","10","8","10","3","1") = "9"
    & skf18("7","3","10","8","10","4","1") = "9"
    & skf18("7","3","10","8","10","5","1") = "9"
    & skf18("7","3","10","8","10","6","1") = "9"
    & skf18("7","3","10","8","10","7","1") = "9"
    & skf18("7","3","10","8","10","8","1") = "9"
    & skf18("7","3","10","8","10","9","1") = "9"
    & skf18("7","3","10","8","10","10","1") = "9"
    & skf18("7","3","10","9","1","1","1") = "9"
    & skf18("7","3","10","9","1","2","1") = "9"
    & skf18("7","3","10","9","1","3","1") = "9"
    & skf18("7","3","10","9","1","4","1") = "9"
    & skf18("7","3","10","9","1","5","1") = "9"
    & skf18("7","3","10","9","1","6","1") = "9"
    & skf18("7","3","10","9","1","7","1") = "9"
    & skf18("7","3","10","9","1","8","1") = "9"
    & skf18("7","3","10","9","1","9","1") = "9"
    & skf18("7","3","10","9","1","10","1") = "9"
    & skf18("7","3","10","9","2","1","1") = "9"
    & skf18("7","3","10","9","2","2","1") = "9"
    & skf18("7","3","10","9","2","3","1") = "9"
    & skf18("7","3","10","9","2","4","1") = "9"
    & skf18("7","3","10","9","2","5","1") = "9"
    & skf18("7","3","10","9","2","6","1") = "9"
    & skf18("7","3","10","9","2","7","1") = "9"
    & skf18("7","3","10","9","2","8","1") = "9"
    & skf18("7","3","10","9","2","9","1") = "9"
    & skf18("7","3","10","9","2","10","1") = "9"
    & skf18("7","3","10","9","3","1","1") = "9"
    & skf18("7","3","10","9","3","2","1") = "9"
    & skf18("7","3","10","9","3","3","1") = "9"
    & skf18("7","3","10","9","3","4","1") = "9"
    & skf18("7","3","10","9","3","5","1") = "9"
    & skf18("7","3","10","9","3","6","1") = "9"
    & skf18("7","3","10","9","3","7","1") = "9"
    & skf18("7","3","10","9","3","8","1") = "9"
    & skf18("7","3","10","9","3","9","1") = "9"
    & skf18("7","3","10","9","3","10","1") = "9"
    & skf18("7","3","10","9","4","1","1") = "9"
    & skf18("7","3","10","9","4","2","1") = "9"
    & skf18("7","3","10","9","4","3","1") = "9"
    & skf18("7","3","10","9","4","4","1") = "9"
    & skf18("7","3","10","9","4","5","1") = "9"
    & skf18("7","3","10","9","4","6","1") = "9"
    & skf18("7","3","10","9","4","7","1") = "9"
    & skf18("7","3","10","9","4","8","1") = "9"
    & skf18("7","3","10","9","4","9","1") = "9"
    & skf18("7","3","10","9","4","10","1") = "9"
    & skf18("7","3","10","9","5","1","1") = "9"
    & skf18("7","3","10","9","5","2","1") = "9"
    & skf18("7","3","10","9","5","3","1") = "9"
    & skf18("7","3","10","9","5","4","1") = "9"
    & skf18("7","3","10","9","5","5","1") = "9"
    & skf18("7","3","10","9","5","6","1") = "9"
    & skf18("7","3","10","9","5","7","1") = "9"
    & skf18("7","3","10","9","5","8","1") = "9"
    & skf18("7","3","10","9","5","9","1") = "9"
    & skf18("7","3","10","9","5","10","1") = "9"
    & skf18("7","3","10","9","6","1","1") = "9"
    & skf18("7","3","10","9","6","2","1") = "9"
    & skf18("7","3","10","9","6","3","1") = "9"
    & skf18("7","3","10","9","6","4","1") = "9"
    & skf18("7","3","10","9","6","5","1") = "9"
    & skf18("7","3","10","9","6","6","1") = "9"
    & skf18("7","3","10","9","6","7","1") = "9"
    & skf18("7","3","10","9","6","8","1") = "9"
    & skf18("7","3","10","9","6","9","1") = "9"
    & skf18("7","3","10","9","6","10","1") = "9"
    & skf18("7","3","10","9","7","1","1") = "9"
    & skf18("7","3","10","9","7","2","1") = "9"
    & skf18("7","3","10","9","7","3","1") = "9"
    & skf18("7","3","10","9","7","4","1") = "9"
    & skf18("7","3","10","9","7","5","1") = "9"
    & skf18("7","3","10","9","7","6","1") = "9"
    & skf18("7","3","10","9","7","7","1") = "9"
    & skf18("7","3","10","9","7","8","1") = "9"
    & skf18("7","3","10","9","7","9","1") = "9"
    & skf18("7","3","10","9","7","10","1") = "9"
    & skf18("7","3","10","9","8","1","1") = "9"
    & skf18("7","3","10","9","8","2","1") = "9"
    & skf18("7","3","10","9","8","3","1") = "9"
    & skf18("7","3","10","9","8","4","1") = "9"
    & skf18("7","3","10","9","8","5","1") = "9"
    & skf18("7","3","10","9","8","6","1") = "9"
    & skf18("7","3","10","9","8","7","1") = "9"
    & skf18("7","3","10","9","8","8","1") = "9"
    & skf18("7","3","10","9","8","9","1") = "9"
    & skf18("7","3","10","9","8","10","1") = "9"
    & skf18("7","3","10","9","9","1","1") = "9"
    & skf18("7","3","10","9","9","2","1") = "9"
    & skf18("7","3","10","9","9","3","1") = "9"
    & skf18("7","3","10","9","9","4","1") = "9"
    & skf18("7","3","10","9","9","5","1") = "9"
    & skf18("7","3","10","9","9","6","1") = "9"
    & skf18("7","3","10","9","9","7","1") = "9"
    & skf18("7","3","10","9","9","8","1") = "9"
    & skf18("7","3","10","9","9","9","1") = "9"
    & skf18("7","3","10","9","9","10","1") = "9"
    & skf18("7","3","10","9","10","1","1") = "9"
    & skf18("7","3","10","9","10","2","1") = "9"
    & skf18("7","3","10","9","10","3","1") = "9"
    & skf18("7","3","10","9","10","4","1") = "9"
    & skf18("7","3","10","9","10","5","1") = "9"
    & skf18("7","3","10","9","10","6","1") = "9"
    & skf18("7","3","10","9","10","7","1") = "9"
    & skf18("7","3","10","9","10","8","1") = "9"
    & skf18("7","3","10","9","10","9","1") = "9"
    & skf18("7","3","10","9","10","10","1") = "9"
    & skf18("7","3","10","10","1","1","1") = "9"
    & skf18("7","3","10","10","1","2","1") = "9"
    & skf18("7","3","10","10","1","3","1") = "9"
    & skf18("7","3","10","10","1","4","1") = "9"
    & skf18("7","3","10","10","1","5","1") = "9"
    & skf18("7","3","10","10","1","6","1") = "9"
    & skf18("7","3","10","10","1","7","1") = "9"
    & skf18("7","3","10","10","1","8","1") = "9"
    & skf18("7","3","10","10","1","9","1") = "9"
    & skf18("7","3","10","10","1","10","1") = "9"
    & skf18("7","3","10","10","2","1","1") = "9"
    & skf18("7","3","10","10","2","2","1") = "9"
    & skf18("7","3","10","10","2","3","1") = "9"
    & skf18("7","3","10","10","2","4","1") = "9"
    & skf18("7","3","10","10","2","5","1") = "9"
    & skf18("7","3","10","10","2","6","1") = "9"
    & skf18("7","3","10","10","2","7","1") = "9"
    & skf18("7","3","10","10","2","8","1") = "9"
    & skf18("7","3","10","10","2","9","1") = "9"
    & skf18("7","3","10","10","2","10","1") = "9"
    & skf18("7","3","10","10","3","1","1") = "9"
    & skf18("7","3","10","10","3","2","1") = "9"
    & skf18("7","3","10","10","3","3","1") = "9"
    & skf18("7","3","10","10","3","4","1") = "9"
    & skf18("7","3","10","10","3","5","1") = "9"
    & skf18("7","3","10","10","3","6","1") = "9"
    & skf18("7","3","10","10","3","7","1") = "9"
    & skf18("7","3","10","10","3","8","1") = "9"
    & skf18("7","3","10","10","3","9","1") = "9"
    & skf18("7","3","10","10","3","10","1") = "9"
    & skf18("7","3","10","10","4","1","1") = "9"
    & skf18("7","3","10","10","4","2","1") = "9"
    & skf18("7","3","10","10","4","3","1") = "9"
    & skf18("7","3","10","10","4","4","1") = "9"
    & skf18("7","3","10","10","4","5","1") = "9"
    & skf18("7","3","10","10","4","6","1") = "9"
    & skf18("7","3","10","10","4","7","1") = "9"
    & skf18("7","3","10","10","4","8","1") = "9"
    & skf18("7","3","10","10","4","9","1") = "9"
    & skf18("7","3","10","10","4","10","1") = "9"
    & skf18("7","3","10","10","5","1","1") = "9"
    & skf18("7","3","10","10","5","2","1") = "9"
    & skf18("7","3","10","10","5","3","1") = "9"
    & skf18("7","3","10","10","5","4","1") = "9"
    & skf18("7","3","10","10","5","5","1") = "9"
    & skf18("7","3","10","10","5","6","1") = "9"
    & skf18("7","3","10","10","5","7","1") = "9"
    & skf18("7","3","10","10","5","8","1") = "9"
    & skf18("7","3","10","10","5","9","1") = "9"
    & skf18("7","3","10","10","5","10","1") = "9"
    & skf18("7","3","10","10","6","1","1") = "9"
    & skf18("7","3","10","10","6","2","1") = "9"
    & skf18("7","3","10","10","6","3","1") = "9"
    & skf18("7","3","10","10","6","4","1") = "9"
    & skf18("7","3","10","10","6","5","1") = "9"
    & skf18("7","3","10","10","6","6","1") = "9"
    & skf18("7","3","10","10","6","7","1") = "9"
    & skf18("7","3","10","10","6","8","1") = "9"
    & skf18("7","3","10","10","6","9","1") = "9"
    & skf18("7","3","10","10","6","10","1") = "9"
    & skf18("7","3","10","10","7","1","1") = "9"
    & skf18("7","3","10","10","7","2","1") = "9"
    & skf18("7","3","10","10","7","3","1") = "9"
    & skf18("7","3","10","10","7","4","1") = "9"
    & skf18("7","3","10","10","7","5","1") = "9"
    & skf18("7","3","10","10","7","6","1") = "9"
    & skf18("7","3","10","10","7","7","1") = "9"
    & skf18("7","3","10","10","7","8","1") = "9"
    & skf18("7","3","10","10","7","9","1") = "9"
    & skf18("7","3","10","10","7","10","1") = "9"
    & skf18("7","3","10","10","8","1","1") = "9"
    & skf18("7","3","10","10","8","2","1") = "9"
    & skf18("7","3","10","10","8","3","1") = "9"
    & skf18("7","3","10","10","8","4","1") = "9"
    & skf18("7","3","10","10","8","5","1") = "9"
    & skf18("7","3","10","10","8","6","1") = "9"
    & skf18("7","3","10","10","8","7","1") = "9"
    & skf18("7","3","10","10","8","8","1") = "9"
    & skf18("7","3","10","10","8","9","1") = "9"
    & skf18("7","3","10","10","8","10","1") = "9"
    & skf18("7","3","10","10","9","1","1") = "9"
    & skf18("7","3","10","10","9","2","1") = "9"
    & skf18("7","3","10","10","9","3","1") = "9"
    & skf18("7","3","10","10","9","4","1") = "9"
    & skf18("7","3","10","10","9","5","1") = "9"
    & skf18("7","3","10","10","9","6","1") = "9"
    & skf18("7","3","10","10","9","7","1") = "9"
    & skf18("7","3","10","10","9","8","1") = "9"
    & skf18("7","3","10","10","9","9","1") = "9"
    & skf18("7","3","10","10","9","10","1") = "9"
    & skf18("7","3","10","10","10","1","1") = "9"
    & skf18("7","3","10","10","10","2","1") = "9"
    & skf18("7","3","10","10","10","3","1") = "9"
    & skf18("7","3","10","10","10","4","1") = "9"
    & skf18("7","3","10","10","10","5","1") = "9"
    & skf18("7","3","10","10","10","6","1") = "9"
    & skf18("7","3","10","10","10","7","1") = "9"
    & skf18("7","3","10","10","10","8","1") = "9"
    & skf18("7","3","10","10","10","9","1") = "9"
    & skf18("7","3","10","10","10","10","1") = "9"
    & skf18("7","4","1","1","1","1","1") = "6"
    & skf18("7","4","1","1","1","2","1") = "6"
    & skf18("7","4","1","1","1","3","1") = "6"
    & skf18("7","4","1","1","1","4","1") = "6"
    & skf18("7","4","1","1","1","5","1") = "6"
    & skf18("7","4","1","1","1","6","1") = "6"
    & skf18("7","4","1","1","1","7","1") = "6"
    & skf18("7","4","1","1","1","8","1") = "7"
    & skf18("7","4","1","1","1","9","1") = "8"
    & skf18("7","4","1","1","1","10","1") = "9"
    & skf18("7","4","1","1","2","1","1") = "6"
    & skf18("7","4","1","1","2","2","1") = "6"
    & skf18("7","4","1","1","2","3","1") = "6"
    & skf18("7","4","1","1","2","4","1") = "6"
    & skf18("7","4","1","1","2","5","1") = "6"
    & skf18("7","4","1","1","2","6","1") = "6"
    & skf18("7","4","1","1","2","7","1") = "6"
    & skf18("7","4","1","1","2","8","1") = "7"
    & skf18("7","4","1","1","2","9","1") = "8"
    & skf18("7","4","1","1","2","10","1") = "9"
    & skf18("7","4","1","1","3","1","1") = "6"
    & skf18("7","4","1","1","3","2","1") = "6"
    & skf18("7","4","1","1","3","3","1") = "6"
    & skf18("7","4","1","1","3","4","1") = "6"
    & skf18("7","4","1","1","3","5","1") = "6"
    & skf18("7","4","1","1","3","6","1") = "6"
    & skf18("7","4","1","1","3","7","1") = "6"
    & skf18("7","4","1","1","3","8","1") = "7"
    & skf18("7","4","1","1","3","9","1") = "8"
    & skf18("7","4","1","1","3","10","1") = "9"
    & skf18("7","4","1","1","4","1","1") = "6"
    & skf18("7","4","1","1","4","2","1") = "6"
    & skf18("7","4","1","1","4","3","1") = "6"
    & skf18("7","4","1","1","4","4","1") = "6"
    & skf18("7","4","1","1","4","5","1") = "6"
    & skf18("7","4","1","1","4","6","1") = "6"
    & skf18("7","4","1","1","4","7","1") = "6"
    & skf18("7","4","1","1","4","8","1") = "7"
    & skf18("7","4","1","1","4","9","1") = "8"
    & skf18("7","4","1","1","4","10","1") = "9"
    & skf18("7","4","1","1","5","1","1") = "6"
    & skf18("7","4","1","1","5","2","1") = "6"
    & skf18("7","4","1","1","5","3","1") = "6"
    & skf18("7","4","1","1","5","4","1") = "6"
    & skf18("7","4","1","1","5","5","1") = "6"
    & skf18("7","4","1","1","5","6","1") = "6"
    & skf18("7","4","1","1","5","7","1") = "6"
    & skf18("7","4","1","1","5","8","1") = "7"
    & skf18("7","4","1","1","5","9","1") = "8"
    & skf18("7","4","1","1","5","10","1") = "9"
    & skf18("7","4","1","1","6","1","1") = "6"
    & skf18("7","4","1","1","6","2","1") = "6"
    & skf18("7","4","1","1","6","3","1") = "6"
    & skf18("7","4","1","1","6","4","1") = "6"
    & skf18("7","4","1","1","6","5","1") = "6"
    & skf18("7","4","1","1","6","6","1") = "6"
    & skf18("7","4","1","1","6","7","1") = "6"
    & skf18("7","4","1","1","6","8","1") = "7"
    & skf18("7","4","1","1","6","9","1") = "8"
    & skf18("7","4","1","1","6","10","1") = "9"
    & skf18("7","4","1","1","7","1","1") = "6"
    & skf18("7","4","1","1","7","2","1") = "6"
    & skf18("7","4","1","1","7","3","1") = "6"
    & skf18("7","4","1","1","7","4","1") = "6"
    & skf18("7","4","1","1","7","5","1") = "6"
    & skf18("7","4","1","1","7","6","1") = "6"
    & skf18("7","4","1","1","7","7","1") = "6"
    & skf18("7","4","1","1","7","8","1") = "7"
    & skf18("7","4","1","1","7","9","1") = "8"
    & skf18("7","4","1","1","7","10","1") = "9"
    & skf18("7","4","1","1","8","1","1") = "7"
    & skf18("7","4","1","1","8","2","1") = "7"
    & skf18("7","4","1","1","8","3","1") = "7"
    & skf18("7","4","1","1","8","4","1") = "7"
    & skf18("7","4","1","1","8","5","1") = "7"
    & skf18("7","4","1","1","8","6","1") = "7"
    & skf18("7","4","1","1","8","7","1") = "7"
    & skf18("7","4","1","1","8","8","1") = "7"
    & skf18("7","4","1","1","8","9","1") = "8"
    & skf18("7","4","1","1","8","10","1") = "9"
    & skf18("7","4","1","1","9","1","1") = "8"
    & skf18("7","4","1","1","9","2","1") = "8"
    & skf18("7","4","1","1","9","3","1") = "8"
    & skf18("7","4","1","1","9","4","1") = "8"
    & skf18("7","4","1","1","9","5","1") = "8"
    & skf18("7","4","1","1","9","6","1") = "8"
    & skf18("7","4","1","1","9","7","1") = "8"
    & skf18("7","4","1","1","9","8","1") = "8"
    & skf18("7","4","1","1","9","9","1") = "8"
    & skf18("7","4","1","1","9","10","1") = "9"
    & skf18("7","4","1","1","10","1","1") = "9"
    & skf18("7","4","1","1","10","2","1") = "9"
    & skf18("7","4","1","1","10","3","1") = "9"
    & skf18("7","4","1","1","10","4","1") = "9"
    & skf18("7","4","1","1","10","5","1") = "9"
    & skf18("7","4","1","1","10","6","1") = "9"
    & skf18("7","4","1","1","10","7","1") = "9"
    & skf18("7","4","1","1","10","8","1") = "9"
    & skf18("7","4","1","1","10","9","1") = "9"
    & skf18("7","4","1","1","10","10","1") = "9"
    & skf18("7","4","1","2","1","1","1") = "6"
    & skf18("7","4","1","2","1","2","1") = "6"
    & skf18("7","4","1","2","1","3","1") = "6"
    & skf18("7","4","1","2","1","4","1") = "6"
    & skf18("7","4","1","2","1","5","1") = "6"
    & skf18("7","4","1","2","1","6","1") = "6"
    & skf18("7","4","1","2","1","7","1") = "6"
    & skf18("7","4","1","2","1","8","1") = "7"
    & skf18("7","4","1","2","1","9","1") = "8"
    & skf18("7","4","1","2","1","10","1") = "9"
    & skf18("7","4","1","2","2","1","1") = "6"
    & skf18("7","4","1","2","2","2","1") = "6"
    & skf18("7","4","1","2","2","3","1") = "6"
    & skf18("7","4","1","2","2","4","1") = "6"
    & skf18("7","4","1","2","2","5","1") = "6"
    & skf18("7","4","1","2","2","6","1") = "6"
    & skf18("7","4","1","2","2","7","1") = "6"
    & skf18("7","4","1","2","2","8","1") = "7"
    & skf18("7","4","1","2","2","9","1") = "8"
    & skf18("7","4","1","2","2","10","1") = "9"
    & skf18("7","4","1","2","3","1","1") = "6"
    & skf18("7","4","1","2","3","2","1") = "6"
    & skf18("7","4","1","2","3","3","1") = "6"
    & skf18("7","4","1","2","3","4","1") = "6"
    & skf18("7","4","1","2","3","5","1") = "6"
    & skf18("7","4","1","2","3","6","1") = "6"
    & skf18("7","4","1","2","3","7","1") = "6"
    & skf18("7","4","1","2","3","8","1") = "7"
    & skf18("7","4","1","2","3","9","1") = "8"
    & skf18("7","4","1","2","3","10","1") = "9"
    & skf18("7","4","1","2","4","1","1") = "6"
    & skf18("7","4","1","2","4","2","1") = "6"
    & skf18("7","4","1","2","4","3","1") = "6"
    & skf18("7","4","1","2","4","4","1") = "6"
    & skf18("7","4","1","2","4","5","1") = "6"
    & skf18("7","4","1","2","4","6","1") = "6"
    & skf18("7","4","1","2","4","7","1") = "6"
    & skf18("7","4","1","2","4","8","1") = "7"
    & skf18("7","4","1","2","4","9","1") = "8"
    & skf18("7","4","1","2","4","10","1") = "9"
    & skf18("7","4","1","2","5","1","1") = "6"
    & skf18("7","4","1","2","5","2","1") = "6"
    & skf18("7","4","1","2","5","3","1") = "6"
    & skf18("7","4","1","2","5","4","1") = "6"
    & skf18("7","4","1","2","5","5","1") = "6"
    & skf18("7","4","1","2","5","6","1") = "6"
    & skf18("7","4","1","2","5","7","1") = "6"
    & skf18("7","4","1","2","5","8","1") = "7"
    & skf18("7","4","1","2","5","9","1") = "8"
    & skf18("7","4","1","2","5","10","1") = "9"
    & skf18("7","4","1","2","6","1","1") = "6"
    & skf18("7","4","1","2","6","2","1") = "6"
    & skf18("7","4","1","2","6","3","1") = "6"
    & skf18("7","4","1","2","6","4","1") = "6"
    & skf18("7","4","1","2","6","5","1") = "6"
    & skf18("7","4","1","2","6","6","1") = "6"
    & skf18("7","4","1","2","6","7","1") = "6"
    & skf18("7","4","1","2","6","8","1") = "7"
    & skf18("7","4","1","2","6","9","1") = "8"
    & skf18("7","4","1","2","6","10","1") = "9"
    & skf18("7","4","1","2","7","1","1") = "6"
    & skf18("7","4","1","2","7","2","1") = "6"
    & skf18("7","4","1","2","7","3","1") = "6"
    & skf18("7","4","1","2","7","4","1") = "6"
    & skf18("7","4","1","2","7","5","1") = "6"
    & skf18("7","4","1","2","7","6","1") = "6"
    & skf18("7","4","1","2","7","7","1") = "6"
    & skf18("7","4","1","2","7","8","1") = "7"
    & skf18("7","4","1","2","7","9","1") = "8"
    & skf18("7","4","1","2","7","10","1") = "9"
    & skf18("7","4","1","2","8","1","1") = "7"
    & skf18("7","4","1","2","8","2","1") = "7"
    & skf18("7","4","1","2","8","3","1") = "7"
    & skf18("7","4","1","2","8","4","1") = "7"
    & skf18("7","4","1","2","8","5","1") = "7"
    & skf18("7","4","1","2","8","6","1") = "7"
    & skf18("7","4","1","2","8","7","1") = "7"
    & skf18("7","4","1","2","8","8","1") = "7"
    & skf18("7","4","1","2","8","9","1") = "8"
    & skf18("7","4","1","2","8","10","1") = "9"
    & skf18("7","4","1","2","9","1","1") = "8"
    & skf18("7","4","1","2","9","2","1") = "8"
    & skf18("7","4","1","2","9","3","1") = "8"
    & skf18("7","4","1","2","9","4","1") = "8"
    & skf18("7","4","1","2","9","5","1") = "8"
    & skf18("7","4","1","2","9","6","1") = "8"
    & skf18("7","4","1","2","9","7","1") = "8"
    & skf18("7","4","1","2","9","8","1") = "8"
    & skf18("7","4","1","2","9","9","1") = "8"
    & skf18("7","4","1","2","9","10","1") = "9"
    & skf18("7","4","1","2","10","1","1") = "9"
    & skf18("7","4","1","2","10","2","1") = "9"
    & skf18("7","4","1","2","10","3","1") = "9"
    & skf18("7","4","1","2","10","4","1") = "9"
    & skf18("7","4","1","2","10","5","1") = "9"
    & skf18("7","4","1","2","10","6","1") = "9"
    & skf18("7","4","1","2","10","7","1") = "9"
    & skf18("7","4","1","2","10","8","1") = "9"
    & skf18("7","4","1","2","10","9","1") = "9"
    & skf18("7","4","1","2","10","10","1") = "9"
    & skf18("7","4","1","3","1","1","1") = "6"
    & skf18("7","4","1","3","1","2","1") = "6"
    & skf18("7","4","1","3","1","3","1") = "6"
    & skf18("7","4","1","3","1","4","1") = "6"
    & skf18("7","4","1","3","1","5","1") = "6"
    & skf18("7","4","1","3","1","6","1") = "6"
    & skf18("7","4","1","3","1","7","1") = "6"
    & skf18("7","4","1","3","1","8","1") = "7"
    & skf18("7","4","1","3","1","9","1") = "8"
    & skf18("7","4","1","3","1","10","1") = "9"
    & skf18("7","4","1","3","2","1","1") = "6"
    & skf18("7","4","1","3","2","2","1") = "6"
    & skf18("7","4","1","3","2","3","1") = "6"
    & skf18("7","4","1","3","2","4","1") = "6"
    & skf18("7","4","1","3","2","5","1") = "6"
    & skf18("7","4","1","3","2","6","1") = "6"
    & skf18("7","4","1","3","2","7","1") = "6"
    & skf18("7","4","1","3","2","8","1") = "7"
    & skf18("7","4","1","3","2","9","1") = "8"
    & skf18("7","4","1","3","2","10","1") = "9"
    & skf18("7","4","1","3","3","1","1") = "6"
    & skf18("7","4","1","3","3","2","1") = "6"
    & skf18("7","4","1","3","3","3","1") = "6"
    & skf18("7","4","1","3","3","4","1") = "6"
    & skf18("7","4","1","3","3","5","1") = "6"
    & skf18("7","4","1","3","3","6","1") = "6"
    & skf18("7","4","1","3","3","7","1") = "6"
    & skf18("7","4","1","3","3","8","1") = "7"
    & skf18("7","4","1","3","3","9","1") = "8"
    & skf18("7","4","1","3","3","10","1") = "9"
    & skf18("7","4","1","3","4","1","1") = "6"
    & skf18("7","4","1","3","4","2","1") = "6"
    & skf18("7","4","1","3","4","3","1") = "6"
    & skf18("7","4","1","3","4","4","1") = "6"
    & skf18("7","4","1","3","4","5","1") = "6"
    & skf18("7","4","1","3","4","6","1") = "6"
    & skf18("7","4","1","3","4","7","1") = "6"
    & skf18("7","4","1","3","4","8","1") = "7"
    & skf18("7","4","1","3","4","9","1") = "8"
    & skf18("7","4","1","3","4","10","1") = "9"
    & skf18("7","4","1","3","5","1","1") = "6"
    & skf18("7","4","1","3","5","2","1") = "6"
    & skf18("7","4","1","3","5","3","1") = "6"
    & skf18("7","4","1","3","5","4","1") = "6"
    & skf18("7","4","1","3","5","5","1") = "6"
    & skf18("7","4","1","3","5","6","1") = "6"
    & skf18("7","4","1","3","5","7","1") = "6"
    & skf18("7","4","1","3","5","8","1") = "7"
    & skf18("7","4","1","3","5","9","1") = "8"
    & skf18("7","4","1","3","5","10","1") = "9"
    & skf18("7","4","1","3","6","1","1") = "6"
    & skf18("7","4","1","3","6","2","1") = "6"
    & skf18("7","4","1","3","6","3","1") = "6"
    & skf18("7","4","1","3","6","4","1") = "6"
    & skf18("7","4","1","3","6","5","1") = "6"
    & skf18("7","4","1","3","6","6","1") = "6"
    & skf18("7","4","1","3","6","7","1") = "6"
    & skf18("7","4","1","3","6","8","1") = "7"
    & skf18("7","4","1","3","6","9","1") = "8"
    & skf18("7","4","1","3","6","10","1") = "9"
    & skf18("7","4","1","3","7","1","1") = "6"
    & skf18("7","4","1","3","7","2","1") = "6"
    & skf18("7","4","1","3","7","3","1") = "6"
    & skf18("7","4","1","3","7","4","1") = "6"
    & skf18("7","4","1","3","7","5","1") = "6"
    & skf18("7","4","1","3","7","6","1") = "6"
    & skf18("7","4","1","3","7","7","1") = "6"
    & skf18("7","4","1","3","7","8","1") = "7"
    & skf18("7","4","1","3","7","9","1") = "8"
    & skf18("7","4","1","3","7","10","1") = "9"
    & skf18("7","4","1","3","8","1","1") = "7"
    & skf18("7","4","1","3","8","2","1") = "7"
    & skf18("7","4","1","3","8","3","1") = "7"
    & skf18("7","4","1","3","8","4","1") = "7"
    & skf18("7","4","1","3","8","5","1") = "7"
    & skf18("7","4","1","3","8","6","1") = "7"
    & skf18("7","4","1","3","8","7","1") = "7"
    & skf18("7","4","1","3","8","8","1") = "7"
    & skf18("7","4","1","3","8","9","1") = "8"
    & skf18("7","4","1","3","8","10","1") = "9"
    & skf18("7","4","1","3","9","1","1") = "8"
    & skf18("7","4","1","3","9","2","1") = "8"
    & skf18("7","4","1","3","9","3","1") = "8"
    & skf18("7","4","1","3","9","4","1") = "8"
    & skf18("7","4","1","3","9","5","1") = "8"
    & skf18("7","4","1","3","9","6","1") = "8"
    & skf18("7","4","1","3","9","7","1") = "8"
    & skf18("7","4","1","3","9","8","1") = "8"
    & skf18("7","4","1","3","9","9","1") = "8"
    & skf18("7","4","1","3","9","10","1") = "9"
    & skf18("7","4","1","3","10","1","1") = "9"
    & skf18("7","4","1","3","10","2","1") = "9"
    & skf18("7","4","1","3","10","3","1") = "9"
    & skf18("7","4","1","3","10","4","1") = "9"
    & skf18("7","4","1","3","10","5","1") = "9"
    & skf18("7","4","1","3","10","6","1") = "9"
    & skf18("7","4","1","3","10","7","1") = "9"
    & skf18("7","4","1","3","10","8","1") = "9"
    & skf18("7","4","1","3","10","9","1") = "9"
    & skf18("7","4","1","3","10","10","1") = "9"
    & skf18("7","4","1","4","1","1","1") = "6"
    & skf18("7","4","1","4","1","2","1") = "6"
    & skf18("7","4","1","4","1","3","1") = "6"
    & skf18("7","4","1","4","1","4","1") = "6"
    & skf18("7","4","1","4","1","5","1") = "6"
    & skf18("7","4","1","4","1","6","1") = "6"
    & skf18("7","4","1","4","1","7","1") = "6"
    & skf18("7","4","1","4","1","8","1") = "7"
    & skf18("7","4","1","4","1","9","1") = "8"
    & skf18("7","4","1","4","1","10","1") = "9"
    & skf18("7","4","1","4","2","1","1") = "6"
    & skf18("7","4","1","4","2","2","1") = "6"
    & skf18("7","4","1","4","2","3","1") = "6"
    & skf18("7","4","1","4","2","4","1") = "6"
    & skf18("7","4","1","4","2","5","1") = "6"
    & skf18("7","4","1","4","2","6","1") = "6"
    & skf18("7","4","1","4","2","7","1") = "6"
    & skf18("7","4","1","4","2","8","1") = "7"
    & skf18("7","4","1","4","2","9","1") = "8"
    & skf18("7","4","1","4","2","10","1") = "9"
    & skf18("7","4","1","4","3","1","1") = "6"
    & skf18("7","4","1","4","3","2","1") = "6"
    & skf18("7","4","1","4","3","3","1") = "6"
    & skf18("7","4","1","4","3","4","1") = "6"
    & skf18("7","4","1","4","3","5","1") = "6"
    & skf18("7","4","1","4","3","6","1") = "6"
    & skf18("7","4","1","4","3","7","1") = "6"
    & skf18("7","4","1","4","3","8","1") = "7"
    & skf18("7","4","1","4","3","9","1") = "8"
    & skf18("7","4","1","4","3","10","1") = "9"
    & skf18("7","4","1","4","4","1","1") = "6"
    & skf18("7","4","1","4","4","2","1") = "6"
    & skf18("7","4","1","4","4","3","1") = "6"
    & skf18("7","4","1","4","4","4","1") = "6"
    & skf18("7","4","1","4","4","5","1") = "6"
    & skf18("7","4","1","4","4","6","1") = "6"
    & skf18("7","4","1","4","4","7","1") = "6"
    & skf18("7","4","1","4","4","8","1") = "7"
    & skf18("7","4","1","4","4","9","1") = "8"
    & skf18("7","4","1","4","4","10","1") = "9"
    & skf18("7","4","1","4","5","1","1") = "6"
    & skf18("7","4","1","4","5","2","1") = "6"
    & skf18("7","4","1","4","5","3","1") = "6"
    & skf18("7","4","1","4","5","4","1") = "6"
    & skf18("7","4","1","4","5","5","1") = "6"
    & skf18("7","4","1","4","5","6","1") = "6"
    & skf18("7","4","1","4","5","7","1") = "6"
    & skf18("7","4","1","4","5","8","1") = "7"
    & skf18("7","4","1","4","5","9","1") = "8"
    & skf18("7","4","1","4","5","10","1") = "9"
    & skf18("7","4","1","4","6","1","1") = "6"
    & skf18("7","4","1","4","6","2","1") = "6"
    & skf18("7","4","1","4","6","3","1") = "6"
    & skf18("7","4","1","4","6","4","1") = "6"
    & skf18("7","4","1","4","6","5","1") = "6"
    & skf18("7","4","1","4","6","6","1") = "6"
    & skf18("7","4","1","4","6","7","1") = "6"
    & skf18("7","4","1","4","6","8","1") = "7"
    & skf18("7","4","1","4","6","9","1") = "8"
    & skf18("7","4","1","4","6","10","1") = "9"
    & skf18("7","4","1","4","7","1","1") = "6"
    & skf18("7","4","1","4","7","2","1") = "6"
    & skf18("7","4","1","4","7","3","1") = "6"
    & skf18("7","4","1","4","7","4","1") = "6"
    & skf18("7","4","1","4","7","5","1") = "6"
    & skf18("7","4","1","4","7","6","1") = "6"
    & skf18("7","4","1","4","7","7","1") = "6"
    & skf18("7","4","1","4","7","8","1") = "7"
    & skf18("7","4","1","4","7","9","1") = "8"
    & skf18("7","4","1","4","7","10","1") = "9"
    & skf18("7","4","1","4","8","1","1") = "7"
    & skf18("7","4","1","4","8","2","1") = "7"
    & skf18("7","4","1","4","8","3","1") = "7"
    & skf18("7","4","1","4","8","4","1") = "7"
    & skf18("7","4","1","4","8","5","1") = "7"
    & skf18("7","4","1","4","8","6","1") = "7"
    & skf18("7","4","1","4","8","7","1") = "7"
    & skf18("7","4","1","4","8","8","1") = "7"
    & skf18("7","4","1","4","8","9","1") = "8"
    & skf18("7","4","1","4","8","10","1") = "9"
    & skf18("7","4","1","4","9","1","1") = "8"
    & skf18("7","4","1","4","9","2","1") = "8"
    & skf18("7","4","1","4","9","3","1") = "8"
    & skf18("7","4","1","4","9","4","1") = "8"
    & skf18("7","4","1","4","9","5","1") = "8"
    & skf18("7","4","1","4","9","6","1") = "8"
    & skf18("7","4","1","4","9","7","1") = "8"
    & skf18("7","4","1","4","9","8","1") = "8"
    & skf18("7","4","1","4","9","9","1") = "8"
    & skf18("7","4","1","4","9","10","1") = "9"
    & skf18("7","4","1","4","10","1","1") = "9"
    & skf18("7","4","1","4","10","2","1") = "9"
    & skf18("7","4","1","4","10","3","1") = "9"
    & skf18("7","4","1","4","10","4","1") = "9"
    & skf18("7","4","1","4","10","5","1") = "9"
    & skf18("7","4","1","4","10","6","1") = "9"
    & skf18("7","4","1","4","10","7","1") = "9"
    & skf18("7","4","1","4","10","8","1") = "9"
    & skf18("7","4","1","4","10","9","1") = "9"
    & skf18("7","4","1","4","10","10","1") = "9"
    & skf18("7","4","1","5","1","1","1") = "6"
    & skf18("7","4","1","5","1","2","1") = "6"
    & skf18("7","4","1","5","1","3","1") = "6"
    & skf18("7","4","1","5","1","4","1") = "6"
    & skf18("7","4","1","5","1","5","1") = "6"
    & skf18("7","4","1","5","1","6","1") = "6"
    & skf18("7","4","1","5","1","7","1") = "6"
    & skf18("7","4","1","5","1","8","1") = "7"
    & skf18("7","4","1","5","1","9","1") = "8"
    & skf18("7","4","1","5","1","10","1") = "9"
    & skf18("7","4","1","5","2","1","1") = "6"
    & skf18("7","4","1","5","2","2","1") = "6"
    & skf18("7","4","1","5","2","3","1") = "6"
    & skf18("7","4","1","5","2","4","1") = "6"
    & skf18("7","4","1","5","2","5","1") = "6"
    & skf18("7","4","1","5","2","6","1") = "6"
    & skf18("7","4","1","5","2","7","1") = "6"
    & skf18("7","4","1","5","2","8","1") = "7"
    & skf18("7","4","1","5","2","9","1") = "8"
    & skf18("7","4","1","5","2","10","1") = "9"
    & skf18("7","4","1","5","3","1","1") = "6"
    & skf18("7","4","1","5","3","2","1") = "6"
    & skf18("7","4","1","5","3","3","1") = "6"
    & skf18("7","4","1","5","3","4","1") = "6"
    & skf18("7","4","1","5","3","5","1") = "6"
    & skf18("7","4","1","5","3","6","1") = "6"
    & skf18("7","4","1","5","3","7","1") = "6"
    & skf18("7","4","1","5","3","8","1") = "7"
    & skf18("7","4","1","5","3","9","1") = "8"
    & skf18("7","4","1","5","3","10","1") = "9"
    & skf18("7","4","1","5","4","1","1") = "6"
    & skf18("7","4","1","5","4","2","1") = "6"
    & skf18("7","4","1","5","4","3","1") = "6"
    & skf18("7","4","1","5","4","4","1") = "6"
    & skf18("7","4","1","5","4","5","1") = "6"
    & skf18("7","4","1","5","4","6","1") = "6"
    & skf18("7","4","1","5","4","7","1") = "6"
    & skf18("7","4","1","5","4","8","1") = "7"
    & skf18("7","4","1","5","4","9","1") = "8"
    & skf18("7","4","1","5","4","10","1") = "9"
    & skf18("7","4","1","5","5","1","1") = "6"
    & skf18("7","4","1","5","5","2","1") = "6"
    & skf18("7","4","1","5","5","3","1") = "6"
    & skf18("7","4","1","5","5","4","1") = "6"
    & skf18("7","4","1","5","5","5","1") = "6"
    & skf18("7","4","1","5","5","6","1") = "6"
    & skf18("7","4","1","5","5","7","1") = "6"
    & skf18("7","4","1","5","5","8","1") = "7"
    & skf18("7","4","1","5","5","9","1") = "8"
    & skf18("7","4","1","5","5","10","1") = "9"
    & skf18("7","4","1","5","6","1","1") = "6"
    & skf18("7","4","1","5","6","2","1") = "6"
    & skf18("7","4","1","5","6","3","1") = "6"
    & skf18("7","4","1","5","6","4","1") = "6"
    & skf18("7","4","1","5","6","5","1") = "6"
    & skf18("7","4","1","5","6","6","1") = "6"
    & skf18("7","4","1","5","6","7","1") = "6"
    & skf18("7","4","1","5","6","8","1") = "7"
    & skf18("7","4","1","5","6","9","1") = "8"
    & skf18("7","4","1","5","6","10","1") = "9"
    & skf18("7","4","1","5","7","1","1") = "6"
    & skf18("7","4","1","5","7","2","1") = "6"
    & skf18("7","4","1","5","7","3","1") = "6"
    & skf18("7","4","1","5","7","4","1") = "6"
    & skf18("7","4","1","5","7","5","1") = "6"
    & skf18("7","4","1","5","7","6","1") = "6"
    & skf18("7","4","1","5","7","7","1") = "6"
    & skf18("7","4","1","5","7","8","1") = "7"
    & skf18("7","4","1","5","7","9","1") = "8"
    & skf18("7","4","1","5","7","10","1") = "9"
    & skf18("7","4","1","5","8","1","1") = "7"
    & skf18("7","4","1","5","8","2","1") = "7"
    & skf18("7","4","1","5","8","3","1") = "7"
    & skf18("7","4","1","5","8","4","1") = "7"
    & skf18("7","4","1","5","8","5","1") = "7"
    & skf18("7","4","1","5","8","6","1") = "7"
    & skf18("7","4","1","5","8","7","1") = "7"
    & skf18("7","4","1","5","8","8","1") = "7"
    & skf18("7","4","1","5","8","9","1") = "8"
    & skf18("7","4","1","5","8","10","1") = "9"
    & skf18("7","4","1","5","9","1","1") = "8"
    & skf18("7","4","1","5","9","2","1") = "8"
    & skf18("7","4","1","5","9","3","1") = "8"
    & skf18("7","4","1","5","9","4","1") = "8"
    & skf18("7","4","1","5","9","5","1") = "8"
    & skf18("7","4","1","5","9","6","1") = "8"
    & skf18("7","4","1","5","9","7","1") = "8"
    & skf18("7","4","1","5","9","8","1") = "8"
    & skf18("7","4","1","5","9","9","1") = "8"
    & skf18("7","4","1","5","9","10","1") = "9"
    & skf18("7","4","1","5","10","1","1") = "9"
    & skf18("7","4","1","5","10","2","1") = "9"
    & skf18("7","4","1","5","10","3","1") = "9"
    & skf18("7","4","1","5","10","4","1") = "9"
    & skf18("7","4","1","5","10","5","1") = "9"
    & skf18("7","4","1","5","10","6","1") = "9"
    & skf18("7","4","1","5","10","7","1") = "9"
    & skf18("7","4","1","5","10","8","1") = "9"
    & skf18("7","4","1","5","10","9","1") = "9"
    & skf18("7","4","1","5","10","10","1") = "9"
    & skf18("7","4","1","6","1","1","1") = "6"
    & skf18("7","4","1","6","1","2","1") = "6"
    & skf18("7","4","1","6","1","3","1") = "6"
    & skf18("7","4","1","6","1","4","1") = "6"
    & skf18("7","4","1","6","1","5","1") = "6"
    & skf18("7","4","1","6","1","6","1") = "6"
    & skf18("7","4","1","6","1","7","1") = "6"
    & skf18("7","4","1","6","1","8","1") = "7"
    & skf18("7","4","1","6","1","9","1") = "8"
    & skf18("7","4","1","6","1","10","1") = "9"
    & skf18("7","4","1","6","2","1","1") = "6"
    & skf18("7","4","1","6","2","2","1") = "6"
    & skf18("7","4","1","6","2","3","1") = "6"
    & skf18("7","4","1","6","2","4","1") = "6"
    & skf18("7","4","1","6","2","5","1") = "6"
    & skf18("7","4","1","6","2","6","1") = "6"
    & skf18("7","4","1","6","2","7","1") = "6"
    & skf18("7","4","1","6","2","8","1") = "7"
    & skf18("7","4","1","6","2","9","1") = "8"
    & skf18("7","4","1","6","2","10","1") = "9"
    & skf18("7","4","1","6","3","1","1") = "6"
    & skf18("7","4","1","6","3","2","1") = "6"
    & skf18("7","4","1","6","3","3","1") = "6"
    & skf18("7","4","1","6","3","4","1") = "6"
    & skf18("7","4","1","6","3","5","1") = "6"
    & skf18("7","4","1","6","3","6","1") = "6"
    & skf18("7","4","1","6","3","7","1") = "6"
    & skf18("7","4","1","6","3","8","1") = "7"
    & skf18("7","4","1","6","3","9","1") = "8"
    & skf18("7","4","1","6","3","10","1") = "9"
    & skf18("7","4","1","6","4","1","1") = "6"
    & skf18("7","4","1","6","4","2","1") = "6"
    & skf18("7","4","1","6","4","3","1") = "6"
    & skf18("7","4","1","6","4","4","1") = "6"
    & skf18("7","4","1","6","4","5","1") = "6"
    & skf18("7","4","1","6","4","6","1") = "6"
    & skf18("7","4","1","6","4","7","1") = "6"
    & skf18("7","4","1","6","4","8","1") = "7"
    & skf18("7","4","1","6","4","9","1") = "8"
    & skf18("7","4","1","6","4","10","1") = "9"
    & skf18("7","4","1","6","5","1","1") = "6"
    & skf18("7","4","1","6","5","2","1") = "6"
    & skf18("7","4","1","6","5","3","1") = "6"
    & skf18("7","4","1","6","5","4","1") = "6"
    & skf18("7","4","1","6","5","5","1") = "6"
    & skf18("7","4","1","6","5","6","1") = "6"
    & skf18("7","4","1","6","5","7","1") = "6"
    & skf18("7","4","1","6","5","8","1") = "7"
    & skf18("7","4","1","6","5","9","1") = "8"
    & skf18("7","4","1","6","5","10","1") = "9"
    & skf18("7","4","1","6","6","1","1") = "6"
    & skf18("7","4","1","6","6","2","1") = "6"
    & skf18("7","4","1","6","6","3","1") = "6"
    & skf18("7","4","1","6","6","4","1") = "6"
    & skf18("7","4","1","6","6","5","1") = "6"
    & skf18("7","4","1","6","6","6","1") = "6"
    & skf18("7","4","1","6","6","7","1") = "6"
    & skf18("7","4","1","6","6","8","1") = "7"
    & skf18("7","4","1","6","6","9","1") = "8"
    & skf18("7","4","1","6","6","10","1") = "9"
    & skf18("7","4","1","6","7","1","1") = "6"
    & skf18("7","4","1","6","7","2","1") = "6"
    & skf18("7","4","1","6","7","3","1") = "6"
    & skf18("7","4","1","6","7","4","1") = "6"
    & skf18("7","4","1","6","7","5","1") = "6"
    & skf18("7","4","1","6","7","6","1") = "6"
    & skf18("7","4","1","6","7","7","1") = "6"
    & skf18("7","4","1","6","7","8","1") = "7"
    & skf18("7","4","1","6","7","9","1") = "8"
    & skf18("7","4","1","6","7","10","1") = "9"
    & skf18("7","4","1","6","8","1","1") = "7"
    & skf18("7","4","1","6","8","2","1") = "7"
    & skf18("7","4","1","6","8","3","1") = "7"
    & skf18("7","4","1","6","8","4","1") = "7"
    & skf18("7","4","1","6","8","5","1") = "7"
    & skf18("7","4","1","6","8","6","1") = "7"
    & skf18("7","4","1","6","8","7","1") = "7"
    & skf18("7","4","1","6","8","8","1") = "7"
    & skf18("7","4","1","6","8","9","1") = "8"
    & skf18("7","4","1","6","8","10","1") = "9"
    & skf18("7","4","1","6","9","1","1") = "8"
    & skf18("7","4","1","6","9","2","1") = "8"
    & skf18("7","4","1","6","9","3","1") = "8"
    & skf18("7","4","1","6","9","4","1") = "8"
    & skf18("7","4","1","6","9","5","1") = "8"
    & skf18("7","4","1","6","9","6","1") = "8"
    & skf18("7","4","1","6","9","7","1") = "8"
    & skf18("7","4","1","6","9","8","1") = "8"
    & skf18("7","4","1","6","9","9","1") = "8"
    & skf18("7","4","1","6","9","10","1") = "9"
    & skf18("7","4","1","6","10","1","1") = "9"
    & skf18("7","4","1","6","10","2","1") = "9"
    & skf18("7","4","1","6","10","3","1") = "9"
    & skf18("7","4","1","6","10","4","1") = "9"
    & skf18("7","4","1","6","10","5","1") = "9"
    & skf18("7","4","1","6","10","6","1") = "9"
    & skf18("7","4","1","6","10","7","1") = "9"
    & skf18("7","4","1","6","10","8","1") = "9"
    & skf18("7","4","1","6","10","9","1") = "9"
    & skf18("7","4","1","6","10","10","1") = "9"
    & skf18("7","4","1","7","1","1","1") = "6"
    & skf18("7","4","1","7","1","2","1") = "6"
    & skf18("7","4","1","7","1","3","1") = "6"
    & skf18("7","4","1","7","1","4","1") = "6"
    & skf18("7","4","1","7","1","5","1") = "6"
    & skf18("7","4","1","7","1","6","1") = "6"
    & skf18("7","4","1","7","1","7","1") = "6"
    & skf18("7","4","1","7","1","8","1") = "7"
    & skf18("7","4","1","7","1","9","1") = "8"
    & skf18("7","4","1","7","1","10","1") = "9"
    & skf18("7","4","1","7","2","1","1") = "6"
    & skf18("7","4","1","7","2","2","1") = "6"
    & skf18("7","4","1","7","2","3","1") = "6"
    & skf18("7","4","1","7","2","4","1") = "6"
    & skf18("7","4","1","7","2","5","1") = "6"
    & skf18("7","4","1","7","2","6","1") = "6"
    & skf18("7","4","1","7","2","7","1") = "6"
    & skf18("7","4","1","7","2","8","1") = "7"
    & skf18("7","4","1","7","2","9","1") = "8"
    & skf18("7","4","1","7","2","10","1") = "9"
    & skf18("7","4","1","7","3","1","1") = "6"
    & skf18("7","4","1","7","3","2","1") = "6"
    & skf18("7","4","1","7","3","3","1") = "6"
    & skf18("7","4","1","7","3","4","1") = "6"
    & skf18("7","4","1","7","3","5","1") = "6"
    & skf18("7","4","1","7","3","6","1") = "6"
    & skf18("7","4","1","7","3","7","1") = "6"
    & skf18("7","4","1","7","3","8","1") = "7"
    & skf18("7","4","1","7","3","9","1") = "8"
    & skf18("7","4","1","7","3","10","1") = "9"
    & skf18("7","4","1","7","4","1","1") = "6"
    & skf18("7","4","1","7","4","2","1") = "6"
    & skf18("7","4","1","7","4","3","1") = "6"
    & skf18("7","4","1","7","4","4","1") = "6"
    & skf18("7","4","1","7","4","5","1") = "6"
    & skf18("7","4","1","7","4","6","1") = "6"
    & skf18("7","4","1","7","4","7","1") = "6"
    & skf18("7","4","1","7","4","8","1") = "7"
    & skf18("7","4","1","7","4","9","1") = "8"
    & skf18("7","4","1","7","4","10","1") = "9"
    & skf18("7","4","1","7","5","1","1") = "6"
    & skf18("7","4","1","7","5","2","1") = "6"
    & skf18("7","4","1","7","5","3","1") = "6"
    & skf18("7","4","1","7","5","4","1") = "6"
    & skf18("7","4","1","7","5","5","1") = "6"
    & skf18("7","4","1","7","5","6","1") = "6"
    & skf18("7","4","1","7","5","7","1") = "6"
    & skf18("7","4","1","7","5","8","1") = "7"
    & skf18("7","4","1","7","5","9","1") = "8"
    & skf18("7","4","1","7","5","10","1") = "9"
    & skf18("7","4","1","7","6","1","1") = "6"
    & skf18("7","4","1","7","6","2","1") = "6"
    & skf18("7","4","1","7","6","3","1") = "6"
    & skf18("7","4","1","7","6","4","1") = "6"
    & skf18("7","4","1","7","6","5","1") = "6"
    & skf18("7","4","1","7","6","6","1") = "6"
    & skf18("7","4","1","7","6","7","1") = "6"
    & skf18("7","4","1","7","6","8","1") = "7"
    & skf18("7","4","1","7","6","9","1") = "8"
    & skf18("7","4","1","7","6","10","1") = "9"
    & skf18("7","4","1","7","7","1","1") = "6"
    & skf18("7","4","1","7","7","2","1") = "6"
    & skf18("7","4","1","7","7","3","1") = "6"
    & skf18("7","4","1","7","7","4","1") = "6"
    & skf18("7","4","1","7","7","5","1") = "6"
    & skf18("7","4","1","7","7","6","1") = "6"
    & skf18("7","4","1","7","7","7","1") = "6"
    & skf18("7","4","1","7","7","8","1") = "7"
    & skf18("7","4","1","7","7","9","1") = "8"
    & skf18("7","4","1","7","7","10","1") = "9"
    & skf18("7","4","1","7","8","1","1") = "7"
    & skf18("7","4","1","7","8","2","1") = "7"
    & skf18("7","4","1","7","8","3","1") = "7"
    & skf18("7","4","1","7","8","4","1") = "7"
    & skf18("7","4","1","7","8","5","1") = "7"
    & skf18("7","4","1","7","8","6","1") = "7"
    & skf18("7","4","1","7","8","7","1") = "7"
    & skf18("7","4","1","7","8","8","1") = "7"
    & skf18("7","4","1","7","8","9","1") = "8"
    & skf18("7","4","1","7","8","10","1") = "9"
    & skf18("7","4","1","7","9","1","1") = "8"
    & skf18("7","4","1","7","9","2","1") = "8"
    & skf18("7","4","1","7","9","3","1") = "8"
    & skf18("7","4","1","7","9","4","1") = "8"
    & skf18("7","4","1","7","9","5","1") = "8"
    & skf18("7","4","1","7","9","6","1") = "8"
    & skf18("7","4","1","7","9","7","1") = "8"
    & skf18("7","4","1","7","9","8","1") = "8"
    & skf18("7","4","1","7","9","9","1") = "8"
    & skf18("7","4","1","7","9","10","1") = "9"
    & skf18("7","4","1","7","10","1","1") = "9"
    & skf18("7","4","1","7","10","2","1") = "9"
    & skf18("7","4","1","7","10","3","1") = "9"
    & skf18("7","4","1","7","10","4","1") = "9"
    & skf18("7","4","1","7","10","5","1") = "9"
    & skf18("7","4","1","7","10","6","1") = "9"
    & skf18("7","4","1","7","10","7","1") = "9"
    & skf18("7","4","1","7","10","8","1") = "9"
    & skf18("7","4","1","7","10","9","1") = "9"
    & skf18("7","4","1","7","10","10","1") = "9"
    & skf18("7","4","1","8","1","1","1") = "7"
    & skf18("7","4","1","8","1","2","1") = "7"
    & skf18("7","4","1","8","1","3","1") = "7"
    & skf18("7","4","1","8","1","4","1") = "7"
    & skf18("7","4","1","8","1","5","1") = "7"
    & skf18("7","4","1","8","1","6","1") = "7"
    & skf18("7","4","1","8","1","7","1") = "7"
    & skf18("7","4","1","8","1","8","1") = "7"
    & skf18("7","4","1","8","1","9","1") = "8"
    & skf18("7","4","1","8","1","10","1") = "9"
    & skf18("7","4","1","8","2","1","1") = "7"
    & skf18("7","4","1","8","2","2","1") = "7"
    & skf18("7","4","1","8","2","3","1") = "7"
    & skf18("7","4","1","8","2","4","1") = "7"
    & skf18("7","4","1","8","2","5","1") = "7"
    & skf18("7","4","1","8","2","6","1") = "7"
    & skf18("7","4","1","8","2","7","1") = "7"
    & skf18("7","4","1","8","2","8","1") = "7"
    & skf18("7","4","1","8","2","9","1") = "8"
    & skf18("7","4","1","8","2","10","1") = "9"
    & skf18("7","4","1","8","3","1","1") = "7"
    & skf18("7","4","1","8","3","2","1") = "7"
    & skf18("7","4","1","8","3","3","1") = "7"
    & skf18("7","4","1","8","3","4","1") = "7"
    & skf18("7","4","1","8","3","5","1") = "7"
    & skf18("7","4","1","8","3","6","1") = "7"
    & skf18("7","4","1","8","3","7","1") = "7"
    & skf18("7","4","1","8","3","8","1") = "7"
    & skf18("7","4","1","8","3","9","1") = "8"
    & skf18("7","4","1","8","3","10","1") = "9"
    & skf18("7","4","1","8","4","1","1") = "7"
    & skf18("7","4","1","8","4","2","1") = "7"
    & skf18("7","4","1","8","4","3","1") = "7"
    & skf18("7","4","1","8","4","4","1") = "7"
    & skf18("7","4","1","8","4","5","1") = "7"
    & skf18("7","4","1","8","4","6","1") = "7"
    & skf18("7","4","1","8","4","7","1") = "7"
    & skf18("7","4","1","8","4","8","1") = "7"
    & skf18("7","4","1","8","4","9","1") = "8"
    & skf18("7","4","1","8","4","10","1") = "9"
    & skf18("7","4","1","8","5","1","1") = "7"
    & skf18("7","4","1","8","5","2","1") = "7"
    & skf18("7","4","1","8","5","3","1") = "7"
    & skf18("7","4","1","8","5","4","1") = "7"
    & skf18("7","4","1","8","5","5","1") = "7"
    & skf18("7","4","1","8","5","6","1") = "7"
    & skf18("7","4","1","8","5","7","1") = "7"
    & skf18("7","4","1","8","5","8","1") = "7"
    & skf18("7","4","1","8","5","9","1") = "8"
    & skf18("7","4","1","8","5","10","1") = "9"
    & skf18("7","4","1","8","6","1","1") = "7"
    & skf18("7","4","1","8","6","2","1") = "7"
    & skf18("7","4","1","8","6","3","1") = "7"
    & skf18("7","4","1","8","6","4","1") = "7"
    & skf18("7","4","1","8","6","5","1") = "7"
    & skf18("7","4","1","8","6","6","1") = "7"
    & skf18("7","4","1","8","6","7","1") = "7"
    & skf18("7","4","1","8","6","8","1") = "7"
    & skf18("7","4","1","8","6","9","1") = "8"
    & skf18("7","4","1","8","6","10","1") = "9"
    & skf18("7","4","1","8","7","1","1") = "7"
    & skf18("7","4","1","8","7","2","1") = "7"
    & skf18("7","4","1","8","7","3","1") = "7"
    & skf18("7","4","1","8","7","4","1") = "7"
    & skf18("7","4","1","8","7","5","1") = "7"
    & skf18("7","4","1","8","7","6","1") = "7"
    & skf18("7","4","1","8","7","7","1") = "7"
    & skf18("7","4","1","8","7","8","1") = "7"
    & skf18("7","4","1","8","7","9","1") = "8"
    & skf18("7","4","1","8","7","10","1") = "9"
    & skf18("7","4","1","8","8","1","1") = "7"
    & skf18("7","4","1","8","8","2","1") = "7"
    & skf18("7","4","1","8","8","3","1") = "7"
    & skf18("7","4","1","8","8","4","1") = "7"
    & skf18("7","4","1","8","8","5","1") = "7"
    & skf18("7","4","1","8","8","6","1") = "7"
    & skf18("7","4","1","8","8","7","1") = "7"
    & skf18("7","4","1","8","8","8","1") = "7"
    & skf18("7","4","1","8","8","9","1") = "8"
    & skf18("7","4","1","8","8","10","1") = "9"
    & skf18("7","4","1","8","9","1","1") = "8"
    & skf18("7","4","1","8","9","2","1") = "8"
    & skf18("7","4","1","8","9","3","1") = "8"
    & skf18("7","4","1","8","9","4","1") = "8"
    & skf18("7","4","1","8","9","5","1") = "8"
    & skf18("7","4","1","8","9","6","1") = "8"
    & skf18("7","4","1","8","9","7","1") = "8"
    & skf18("7","4","1","8","9","8","1") = "8"
    & skf18("7","4","1","8","9","9","1") = "8"
    & skf18("7","4","1","8","9","10","1") = "9"
    & skf18("7","4","1","8","10","1","1") = "9"
    & skf18("7","4","1","8","10","2","1") = "9"
    & skf18("7","4","1","8","10","3","1") = "9"
    & skf18("7","4","1","8","10","4","1") = "9"
    & skf18("7","4","1","8","10","5","1") = "9"
    & skf18("7","4","1","8","10","6","1") = "9"
    & skf18("7","4","1","8","10","7","1") = "9"
    & skf18("7","4","1","8","10","8","1") = "9"
    & skf18("7","4","1","8","10","9","1") = "9"
    & skf18("7","4","1","8","10","10","1") = "9"
    & skf18("7","4","1","9","1","1","1") = "8"
    & skf18("7","4","1","9","1","2","1") = "8"
    & skf18("7","4","1","9","1","3","1") = "8"
    & skf18("7","4","1","9","1","4","1") = "8"
    & skf18("7","4","1","9","1","5","1") = "8"
    & skf18("7","4","1","9","1","6","1") = "8"
    & skf18("7","4","1","9","1","7","1") = "8"
    & skf18("7","4","1","9","1","8","1") = "8"
    & skf18("7","4","1","9","1","9","1") = "8"
    & skf18("7","4","1","9","1","10","1") = "9"
    & skf18("7","4","1","9","2","1","1") = "8"
    & skf18("7","4","1","9","2","2","1") = "8"
    & skf18("7","4","1","9","2","3","1") = "8"
    & skf18("7","4","1","9","2","4","1") = "8"
    & skf18("7","4","1","9","2","5","1") = "8"
    & skf18("7","4","1","9","2","6","1") = "8"
    & skf18("7","4","1","9","2","7","1") = "8"
    & skf18("7","4","1","9","2","8","1") = "8"
    & skf18("7","4","1","9","2","9","1") = "8"
    & skf18("7","4","1","9","2","10","1") = "9"
    & skf18("7","4","1","9","3","1","1") = "8"
    & skf18("7","4","1","9","3","2","1") = "8"
    & skf18("7","4","1","9","3","3","1") = "8"
    & skf18("7","4","1","9","3","4","1") = "8"
    & skf18("7","4","1","9","3","5","1") = "8"
    & skf18("7","4","1","9","3","6","1") = "8"
    & skf18("7","4","1","9","3","7","1") = "8"
    & skf18("7","4","1","9","3","8","1") = "8"
    & skf18("7","4","1","9","3","9","1") = "8"
    & skf18("7","4","1","9","3","10","1") = "9"
    & skf18("7","4","1","9","4","1","1") = "8"
    & skf18("7","4","1","9","4","2","1") = "8"
    & skf18("7","4","1","9","4","3","1") = "8"
    & skf18("7","4","1","9","4","4","1") = "8"
    & skf18("7","4","1","9","4","5","1") = "8"
    & skf18("7","4","1","9","4","6","1") = "8"
    & skf18("7","4","1","9","4","7","1") = "8"
    & skf18("7","4","1","9","4","8","1") = "8"
    & skf18("7","4","1","9","4","9","1") = "8"
    & skf18("7","4","1","9","4","10","1") = "9"
    & skf18("7","4","1","9","5","1","1") = "8"
    & skf18("7","4","1","9","5","2","1") = "8"
    & skf18("7","4","1","9","5","3","1") = "8"
    & skf18("7","4","1","9","5","4","1") = "8"
    & skf18("7","4","1","9","5","5","1") = "8"
    & skf18("7","4","1","9","5","6","1") = "8"
    & skf18("7","4","1","9","5","7","1") = "8"
    & skf18("7","4","1","9","5","8","1") = "8"
    & skf18("7","4","1","9","5","9","1") = "8"
    & skf18("7","4","1","9","5","10","1") = "9"
    & skf18("7","4","1","9","6","1","1") = "8"
    & skf18("7","4","1","9","6","2","1") = "8"
    & skf18("7","4","1","9","6","3","1") = "8"
    & skf18("7","4","1","9","6","4","1") = "8"
    & skf18("7","4","1","9","6","5","1") = "8"
    & skf18("7","4","1","9","6","6","1") = "8"
    & skf18("7","4","1","9","6","7","1") = "8"
    & skf18("7","4","1","9","6","8","1") = "8"
    & skf18("7","4","1","9","6","9","1") = "8"
    & skf18("7","4","1","9","6","10","1") = "9"
    & skf18("7","4","1","9","7","1","1") = "8"
    & skf18("7","4","1","9","7","2","1") = "8"
    & skf18("7","4","1","9","7","3","1") = "8"
    & skf18("7","4","1","9","7","4","1") = "8"
    & skf18("7","4","1","9","7","5","1") = "8"
    & skf18("7","4","1","9","7","6","1") = "8"
    & skf18("7","4","1","9","7","7","1") = "8"
    & skf18("7","4","1","9","7","8","1") = "8"
    & skf18("7","4","1","9","7","9","1") = "8"
    & skf18("7","4","1","9","7","10","1") = "9"
    & skf18("7","4","1","9","8","1","1") = "8"
    & skf18("7","4","1","9","8","2","1") = "8"
    & skf18("7","4","1","9","8","3","1") = "8"
    & skf18("7","4","1","9","8","4","1") = "8"
    & skf18("7","4","1","9","8","5","1") = "8"
    & skf18("7","4","1","9","8","6","1") = "8"
    & skf18("7","4","1","9","8","7","1") = "8"
    & skf18("7","4","1","9","8","8","1") = "8"
    & skf18("7","4","1","9","8","9","1") = "8"
    & skf18("7","4","1","9","8","10","1") = "9"
    & skf18("7","4","1","9","9","1","1") = "8"
    & skf18("7","4","1","9","9","2","1") = "8"
    & skf18("7","4","1","9","9","3","1") = "8"
    & skf18("7","4","1","9","9","4","1") = "8"
    & skf18("7","4","1","9","9","5","1") = "8"
    & skf18("7","4","1","9","9","6","1") = "8"
    & skf18("7","4","1","9","9","7","1") = "8"
    & skf18("7","4","1","9","9","8","1") = "8"
    & skf18("7","4","1","9","9","9","1") = "8"
    & skf18("7","4","1","9","9","10","1") = "9"
    & skf18("7","4","1","9","10","1","1") = "9"
    & skf18("7","4","1","9","10","2","1") = "9"
    & skf18("7","4","1","9","10","3","1") = "9"
    & skf18("7","4","1","9","10","4","1") = "9"
    & skf18("7","4","1","9","10","5","1") = "9"
    & skf18("7","4","1","9","10","6","1") = "9"
    & skf18("7","4","1","9","10","7","1") = "9"
    & skf18("7","4","1","9","10","8","1") = "9"
    & skf18("7","4","1","9","10","9","1") = "9"
    & skf18("7","4","1","9","10","10","1") = "9"
    & skf18("7","4","1","10","1","1","1") = "9"
    & skf18("7","4","1","10","1","2","1") = "9"
    & skf18("7","4","1","10","1","3","1") = "9"
    & skf18("7","4","1","10","1","4","1") = "9"
    & skf18("7","4","1","10","1","5","1") = "9"
    & skf18("7","4","1","10","1","6","1") = "9"
    & skf18("7","4","1","10","1","7","1") = "9"
    & skf18("7","4","1","10","1","8","1") = "9"
    & skf18("7","4","1","10","1","9","1") = "9"
    & skf18("7","4","1","10","1","10","1") = "9"
    & skf18("7","4","1","10","2","1","1") = "9"
    & skf18("7","4","1","10","2","2","1") = "9"
    & skf18("7","4","1","10","2","3","1") = "9"
    & skf18("7","4","1","10","2","4","1") = "9"
    & skf18("7","4","1","10","2","5","1") = "9"
    & skf18("7","4","1","10","2","6","1") = "9"
    & skf18("7","4","1","10","2","7","1") = "9"
    & skf18("7","4","1","10","2","8","1") = "9"
    & skf18("7","4","1","10","2","9","1") = "9"
    & skf18("7","4","1","10","2","10","1") = "9"
    & skf18("7","4","1","10","3","1","1") = "9"
    & skf18("7","4","1","10","3","2","1") = "9"
    & skf18("7","4","1","10","3","3","1") = "9"
    & skf18("7","4","1","10","3","4","1") = "9"
    & skf18("7","4","1","10","3","5","1") = "9"
    & skf18("7","4","1","10","3","6","1") = "9"
    & skf18("7","4","1","10","3","7","1") = "9"
    & skf18("7","4","1","10","3","8","1") = "9"
    & skf18("7","4","1","10","3","9","1") = "9"
    & skf18("7","4","1","10","3","10","1") = "9"
    & skf18("7","4","1","10","4","1","1") = "9"
    & skf18("7","4","1","10","4","2","1") = "9"
    & skf18("7","4","1","10","4","3","1") = "9"
    & skf18("7","4","1","10","4","4","1") = "9"
    & skf18("7","4","1","10","4","5","1") = "9"
    & skf18("7","4","1","10","4","6","1") = "9"
    & skf18("7","4","1","10","4","7","1") = "9"
    & skf18("7","4","1","10","4","8","1") = "9"
    & skf18("7","4","1","10","4","9","1") = "9"
    & skf18("7","4","1","10","4","10","1") = "9"
    & skf18("7","4","1","10","5","1","1") = "9"
    & skf18("7","4","1","10","5","2","1") = "9"
    & skf18("7","4","1","10","5","3","1") = "9"
    & skf18("7","4","1","10","5","4","1") = "9"
    & skf18("7","4","1","10","5","5","1") = "9"
    & skf18("7","4","1","10","5","6","1") = "9"
    & skf18("7","4","1","10","5","7","1") = "9"
    & skf18("7","4","1","10","5","8","1") = "9"
    & skf18("7","4","1","10","5","9","1") = "9"
    & skf18("7","4","1","10","5","10","1") = "9"
    & skf18("7","4","1","10","6","1","1") = "9"
    & skf18("7","4","1","10","6","2","1") = "9"
    & skf18("7","4","1","10","6","3","1") = "9"
    & skf18("7","4","1","10","6","4","1") = "9"
    & skf18("7","4","1","10","6","5","1") = "9"
    & skf18("7","4","1","10","6","6","1") = "9"
    & skf18("7","4","1","10","6","7","1") = "9"
    & skf18("7","4","1","10","6","8","1") = "9"
    & skf18("7","4","1","10","6","9","1") = "9"
    & skf18("7","4","1","10","6","10","1") = "9"
    & skf18("7","4","1","10","7","1","1") = "9"
    & skf18("7","4","1","10","7","2","1") = "9"
    & skf18("7","4","1","10","7","3","1") = "9"
    & skf18("7","4","1","10","7","4","1") = "9"
    & skf18("7","4","1","10","7","5","1") = "9"
    & skf18("7","4","1","10","7","6","1") = "9"
    & skf18("7","4","1","10","7","7","1") = "9"
    & skf18("7","4","1","10","7","8","1") = "9"
    & skf18("7","4","1","10","7","9","1") = "9"
    & skf18("7","4","1","10","7","10","1") = "9"
    & skf18("7","4","1","10","8","1","1") = "9"
    & skf18("7","4","1","10","8","2","1") = "9"
    & skf18("7","4","1","10","8","3","1") = "9"
    & skf18("7","4","1","10","8","4","1") = "9"
    & skf18("7","4","1","10","8","5","1") = "9"
    & skf18("7","4","1","10","8","6","1") = "9"
    & skf18("7","4","1","10","8","7","1") = "9"
    & skf18("7","4","1","10","8","8","1") = "9"
    & skf18("7","4","1","10","8","9","1") = "9"
    & skf18("7","4","1","10","8","10","1") = "9"
    & skf18("7","4","1","10","9","1","1") = "9"
    & skf18("7","4","1","10","9","2","1") = "9"
    & skf18("7","4","1","10","9","3","1") = "9"
    & skf18("7","4","1","10","9","4","1") = "9"
    & skf18("7","4","1","10","9","5","1") = "9"
    & skf18("7","4","1","10","9","6","1") = "9"
    & skf18("7","4","1","10","9","7","1") = "9"
    & skf18("7","4","1","10","9","8","1") = "9"
    & skf18("7","4","1","10","9","9","1") = "9"
    & skf18("7","4","1","10","9","10","1") = "9"
    & skf18("7","4","1","10","10","1","1") = "9"
    & skf18("7","4","1","10","10","2","1") = "9"
    & skf18("7","4","1","10","10","3","1") = "9"
    & skf18("7","4","1","10","10","4","1") = "9"
    & skf18("7","4","1","10","10","5","1") = "9"
    & skf18("7","4","1","10","10","6","1") = "9"
    & skf18("7","4","1","10","10","7","1") = "9"
    & skf18("7","4","1","10","10","8","1") = "9"
    & skf18("7","4","1","10","10","9","1") = "9"
    & skf18("7","4","1","10","10","10","1") = "9"
    & skf18("7","4","2","1","1","1","1") = "6"
    & skf18("7","4","2","1","1","2","1") = "6"
    & skf18("7","4","2","1","1","3","1") = "6"
    & skf18("7","4","2","1","1","4","1") = "6"
    & skf18("7","4","2","1","1","5","1") = "6"
    & skf18("7","4","2","1","1","6","1") = "6"
    & skf18("7","4","2","1","1","7","1") = "6"
    & skf18("7","4","2","1","1","8","1") = "7"
    & skf18("7","4","2","1","1","9","1") = "8"
    & skf18("7","4","2","1","1","10","1") = "9"
    & skf18("7","4","2","1","2","1","1") = "6"
    & skf18("7","4","2","1","2","2","1") = "6"
    & skf18("7","4","2","1","2","3","1") = "6"
    & skf18("7","4","2","1","2","4","1") = "6"
    & skf18("7","4","2","1","2","5","1") = "6"
    & skf18("7","4","2","1","2","6","1") = "6"
    & skf18("7","4","2","1","2","7","1") = "6"
    & skf18("7","4","2","1","2","8","1") = "7"
    & skf18("7","4","2","1","2","9","1") = "8"
    & skf18("7","4","2","1","2","10","1") = "9"
    & skf18("7","4","2","1","3","1","1") = "6"
    & skf18("7","4","2","1","3","2","1") = "6"
    & skf18("7","4","2","1","3","3","1") = "6"
    & skf18("7","4","2","1","3","4","1") = "6"
    & skf18("7","4","2","1","3","5","1") = "6"
    & skf18("7","4","2","1","3","6","1") = "6"
    & skf18("7","4","2","1","3","7","1") = "6"
    & skf18("7","4","2","1","3","8","1") = "7"
    & skf18("7","4","2","1","3","9","1") = "8"
    & skf18("7","4","2","1","3","10","1") = "9"
    & skf18("7","4","2","1","4","1","1") = "6"
    & skf18("7","4","2","1","4","2","1") = "6"
    & skf18("7","4","2","1","4","3","1") = "6"
    & skf18("7","4","2","1","4","4","1") = "6"
    & skf18("7","4","2","1","4","5","1") = "6"
    & skf18("7","4","2","1","4","6","1") = "6"
    & skf18("7","4","2","1","4","7","1") = "6"
    & skf18("7","4","2","1","4","8","1") = "7"
    & skf18("7","4","2","1","4","9","1") = "8"
    & skf18("7","4","2","1","4","10","1") = "9"
    & skf18("7","4","2","1","5","1","1") = "6"
    & skf18("7","4","2","1","5","2","1") = "6"
    & skf18("7","4","2","1","5","3","1") = "6"
    & skf18("7","4","2","1","5","4","1") = "6"
    & skf18("7","4","2","1","5","5","1") = "6"
    & skf18("7","4","2","1","5","6","1") = "6"
    & skf18("7","4","2","1","5","7","1") = "6"
    & skf18("7","4","2","1","5","8","1") = "7"
    & skf18("7","4","2","1","5","9","1") = "8"
    & skf18("7","4","2","1","5","10","1") = "9"
    & skf18("7","4","2","1","6","1","1") = "6"
    & skf18("7","4","2","1","6","2","1") = "6"
    & skf18("7","4","2","1","6","3","1") = "6"
    & skf18("7","4","2","1","6","4","1") = "6"
    & skf18("7","4","2","1","6","5","1") = "6"
    & skf18("7","4","2","1","6","6","1") = "6"
    & skf18("7","4","2","1","6","7","1") = "6"
    & skf18("7","4","2","1","6","8","1") = "7"
    & skf18("7","4","2","1","6","9","1") = "8"
    & skf18("7","4","2","1","6","10","1") = "9"
    & skf18("7","4","2","1","7","1","1") = "6"
    & skf18("7","4","2","1","7","2","1") = "6"
    & skf18("7","4","2","1","7","3","1") = "6"
    & skf18("7","4","2","1","7","4","1") = "6"
    & skf18("7","4","2","1","7","5","1") = "6"
    & skf18("7","4","2","1","7","6","1") = "6"
    & skf18("7","4","2","1","7","7","1") = "6"
    & skf18("7","4","2","1","7","8","1") = "7"
    & skf18("7","4","2","1","7","9","1") = "8"
    & skf18("7","4","2","1","7","10","1") = "9"
    & skf18("7","4","2","1","8","1","1") = "7"
    & skf18("7","4","2","1","8","2","1") = "7"
    & skf18("7","4","2","1","8","3","1") = "7"
    & skf18("7","4","2","1","8","4","1") = "7"
    & skf18("7","4","2","1","8","5","1") = "7"
    & skf18("7","4","2","1","8","6","1") = "7"
    & skf18("7","4","2","1","8","7","1") = "7"
    & skf18("7","4","2","1","8","8","1") = "7"
    & skf18("7","4","2","1","8","9","1") = "8"
    & skf18("7","4","2","1","8","10","1") = "9"
    & skf18("7","4","2","1","9","1","1") = "8"
    & skf18("7","4","2","1","9","2","1") = "8"
    & skf18("7","4","2","1","9","3","1") = "8"
    & skf18("7","4","2","1","9","4","1") = "8"
    & skf18("7","4","2","1","9","5","1") = "8"
    & skf18("7","4","2","1","9","6","1") = "8"
    & skf18("7","4","2","1","9","7","1") = "8"
    & skf18("7","4","2","1","9","8","1") = "8"
    & skf18("7","4","2","1","9","9","1") = "8"
    & skf18("7","4","2","1","9","10","1") = "9"
    & skf18("7","4","2","1","10","1","1") = "9"
    & skf18("7","4","2","1","10","2","1") = "9"
    & skf18("7","4","2","1","10","3","1") = "9"
    & skf18("7","4","2","1","10","4","1") = "9"
    & skf18("7","4","2","1","10","5","1") = "9"
    & skf18("7","4","2","1","10","6","1") = "9"
    & skf18("7","4","2","1","10","7","1") = "9"
    & skf18("7","4","2","1","10","8","1") = "9"
    & skf18("7","4","2","1","10","9","1") = "9"
    & skf18("7","4","2","1","10","10","1") = "9"
    & skf18("7","4","2","2","1","1","1") = "6"
    & skf18("7","4","2","2","1","2","1") = "6"
    & skf18("7","4","2","2","1","3","1") = "6"
    & skf18("7","4","2","2","1","4","1") = "6"
    & skf18("7","4","2","2","1","5","1") = "6"
    & skf18("7","4","2","2","1","6","1") = "6"
    & skf18("7","4","2","2","1","7","1") = "6"
    & skf18("7","4","2","2","1","8","1") = "7"
    & skf18("7","4","2","2","1","9","1") = "8"
    & skf18("7","4","2","2","1","10","1") = "9"
    & skf18("7","4","2","2","2","1","1") = "6"
    & skf18("7","4","2","2","2","2","1") = "6"
    & skf18("7","4","2","2","2","3","1") = "6"
    & skf18("7","4","2","2","2","4","1") = "6"
    & skf18("7","4","2","2","2","5","1") = "6"
    & skf18("7","4","2","2","2","6","1") = "6"
    & skf18("7","4","2","2","2","7","1") = "6"
    & skf18("7","4","2","2","2","8","1") = "7"
    & skf18("7","4","2","2","2","9","1") = "8"
    & skf18("7","4","2","2","2","10","1") = "9"
    & skf18("7","4","2","2","3","1","1") = "6"
    & skf18("7","4","2","2","3","2","1") = "6"
    & skf18("7","4","2","2","3","3","1") = "6"
    & skf18("7","4","2","2","3","4","1") = "6"
    & skf18("7","4","2","2","3","5","1") = "6"
    & skf18("7","4","2","2","3","6","1") = "6"
    & skf18("7","4","2","2","3","7","1") = "6"
    & skf18("7","4","2","2","3","8","1") = "7"
    & skf18("7","4","2","2","3","9","1") = "8"
    & skf18("7","4","2","2","3","10","1") = "9"
    & skf18("7","4","2","2","4","1","1") = "6"
    & skf18("7","4","2","2","4","2","1") = "6"
    & skf18("7","4","2","2","4","3","1") = "6"
    & skf18("7","4","2","2","4","4","1") = "6"
    & skf18("7","4","2","2","4","5","1") = "6"
    & skf18("7","4","2","2","4","6","1") = "6"
    & skf18("7","4","2","2","4","7","1") = "6"
    & skf18("7","4","2","2","4","8","1") = "7"
    & skf18("7","4","2","2","4","9","1") = "8"
    & skf18("7","4","2","2","4","10","1") = "9"
    & skf18("7","4","2","2","5","1","1") = "6"
    & skf18("7","4","2","2","5","2","1") = "6"
    & skf18("7","4","2","2","5","3","1") = "6"
    & skf18("7","4","2","2","5","4","1") = "6"
    & skf18("7","4","2","2","5","5","1") = "6"
    & skf18("7","4","2","2","5","6","1") = "6"
    & skf18("7","4","2","2","5","7","1") = "6"
    & skf18("7","4","2","2","5","8","1") = "7"
    & skf18("7","4","2","2","5","9","1") = "8"
    & skf18("7","4","2","2","5","10","1") = "9"
    & skf18("7","4","2","2","6","1","1") = "6"
    & skf18("7","4","2","2","6","2","1") = "6"
    & skf18("7","4","2","2","6","3","1") = "6"
    & skf18("7","4","2","2","6","4","1") = "6"
    & skf18("7","4","2","2","6","5","1") = "6"
    & skf18("7","4","2","2","6","6","1") = "6"
    & skf18("7","4","2","2","6","7","1") = "6"
    & skf18("7","4","2","2","6","8","1") = "7"
    & skf18("7","4","2","2","6","9","1") = "8"
    & skf18("7","4","2","2","6","10","1") = "9"
    & skf18("7","4","2","2","7","1","1") = "6"
    & skf18("7","4","2","2","7","2","1") = "6"
    & skf18("7","4","2","2","7","3","1") = "6"
    & skf18("7","4","2","2","7","4","1") = "6"
    & skf18("7","4","2","2","7","5","1") = "6"
    & skf18("7","4","2","2","7","6","1") = "6"
    & skf18("7","4","2","2","7","7","1") = "6"
    & skf18("7","4","2","2","7","8","1") = "7"
    & skf18("7","4","2","2","7","9","1") = "8"
    & skf18("7","4","2","2","7","10","1") = "9"
    & skf18("7","4","2","2","8","1","1") = "7"
    & skf18("7","4","2","2","8","2","1") = "7"
    & skf18("7","4","2","2","8","3","1") = "7"
    & skf18("7","4","2","2","8","4","1") = "7"
    & skf18("7","4","2","2","8","5","1") = "7"
    & skf18("7","4","2","2","8","6","1") = "7"
    & skf18("7","4","2","2","8","7","1") = "7"
    & skf18("7","4","2","2","8","8","1") = "7"
    & skf18("7","4","2","2","8","9","1") = "8"
    & skf18("7","4","2","2","8","10","1") = "9"
    & skf18("7","4","2","2","9","1","1") = "8"
    & skf18("7","4","2","2","9","2","1") = "8"
    & skf18("7","4","2","2","9","3","1") = "8"
    & skf18("7","4","2","2","9","4","1") = "8"
    & skf18("7","4","2","2","9","5","1") = "8"
    & skf18("7","4","2","2","9","6","1") = "8"
    & skf18("7","4","2","2","9","7","1") = "8"
    & skf18("7","4","2","2","9","8","1") = "8"
    & skf18("7","4","2","2","9","9","1") = "8"
    & skf18("7","4","2","2","9","10","1") = "9"
    & skf18("7","4","2","2","10","1","1") = "9"
    & skf18("7","4","2","2","10","2","1") = "9"
    & skf18("7","4","2","2","10","3","1") = "9"
    & skf18("7","4","2","2","10","4","1") = "9"
    & skf18("7","4","2","2","10","5","1") = "9"
    & skf18("7","4","2","2","10","6","1") = "9"
    & skf18("7","4","2","2","10","7","1") = "9"
    & skf18("7","4","2","2","10","8","1") = "9"
    & skf18("7","4","2","2","10","9","1") = "9"
    & skf18("7","4","2","2","10","10","1") = "9"
    & skf18("7","4","2","3","1","1","1") = "6"
    & skf18("7","4","2","3","1","2","1") = "6"
    & skf18("7","4","2","3","1","3","1") = "6"
    & skf18("7","4","2","3","1","4","1") = "6"
    & skf18("7","4","2","3","1","5","1") = "6"
    & skf18("7","4","2","3","1","6","1") = "6"
    & skf18("7","4","2","3","1","7","1") = "6"
    & skf18("7","4","2","3","1","8","1") = "7"
    & skf18("7","4","2","3","1","9","1") = "8"
    & skf18("7","4","2","3","1","10","1") = "9"
    & skf18("7","4","2","3","2","1","1") = "6"
    & skf18("7","4","2","3","2","2","1") = "6"
    & skf18("7","4","2","3","2","3","1") = "6"
    & skf18("7","4","2","3","2","4","1") = "6"
    & skf18("7","4","2","3","2","5","1") = "6"
    & skf18("7","4","2","3","2","6","1") = "6"
    & skf18("7","4","2","3","2","7","1") = "6"
    & skf18("7","4","2","3","2","8","1") = "7"
    & skf18("7","4","2","3","2","9","1") = "8"
    & skf18("7","4","2","3","2","10","1") = "9"
    & skf18("7","4","2","3","3","1","1") = "6"
    & skf18("7","4","2","3","3","2","1") = "6"
    & skf18("7","4","2","3","3","3","1") = "6"
    & skf18("7","4","2","3","3","4","1") = "6"
    & skf18("7","4","2","3","3","5","1") = "6"
    & skf18("7","4","2","3","3","6","1") = "6"
    & skf18("7","4","2","3","3","7","1") = "6"
    & skf18("7","4","2","3","3","8","1") = "7"
    & skf18("7","4","2","3","3","9","1") = "8"
    & skf18("7","4","2","3","3","10","1") = "9"
    & skf18("7","4","2","3","4","1","1") = "6"
    & skf18("7","4","2","3","4","2","1") = "6"
    & skf18("7","4","2","3","4","3","1") = "6"
    & skf18("7","4","2","3","4","4","1") = "6"
    & skf18("7","4","2","3","4","5","1") = "6"
    & skf18("7","4","2","3","4","6","1") = "6"
    & skf18("7","4","2","3","4","7","1") = "6"
    & skf18("7","4","2","3","4","8","1") = "7"
    & skf18("7","4","2","3","4","9","1") = "8"
    & skf18("7","4","2","3","4","10","1") = "9"
    & skf18("7","4","2","3","5","1","1") = "6"
    & skf18("7","4","2","3","5","2","1") = "6"
    & skf18("7","4","2","3","5","3","1") = "6"
    & skf18("7","4","2","3","5","4","1") = "6"
    & skf18("7","4","2","3","5","5","1") = "6"
    & skf18("7","4","2","3","5","6","1") = "6"
    & skf18("7","4","2","3","5","7","1") = "6"
    & skf18("7","4","2","3","5","8","1") = "7"
    & skf18("7","4","2","3","5","9","1") = "8"
    & skf18("7","4","2","3","5","10","1") = "9"
    & skf18("7","4","2","3","6","1","1") = "6"
    & skf18("7","4","2","3","6","2","1") = "6"
    & skf18("7","4","2","3","6","3","1") = "6"
    & skf18("7","4","2","3","6","4","1") = "6"
    & skf18("7","4","2","3","6","5","1") = "6"
    & skf18("7","4","2","3","6","6","1") = "6"
    & skf18("7","4","2","3","6","7","1") = "6"
    & skf18("7","4","2","3","6","8","1") = "7"
    & skf18("7","4","2","3","6","9","1") = "8"
    & skf18("7","4","2","3","6","10","1") = "9"
    & skf18("7","4","2","3","7","1","1") = "6"
    & skf18("7","4","2","3","7","2","1") = "6"
    & skf18("7","4","2","3","7","3","1") = "6"
    & skf18("7","4","2","3","7","4","1") = "6"
    & skf18("7","4","2","3","7","5","1") = "6"
    & skf18("7","4","2","3","7","6","1") = "6"
    & skf18("7","4","2","3","7","7","1") = "6"
    & skf18("7","4","2","3","7","8","1") = "7"
    & skf18("7","4","2","3","7","9","1") = "8"
    & skf18("7","4","2","3","7","10","1") = "9"
    & skf18("7","4","2","3","8","1","1") = "7"
    & skf18("7","4","2","3","8","2","1") = "7"
    & skf18("7","4","2","3","8","3","1") = "7"
    & skf18("7","4","2","3","8","4","1") = "7"
    & skf18("7","4","2","3","8","5","1") = "7"
    & skf18("7","4","2","3","8","6","1") = "7"
    & skf18("7","4","2","3","8","7","1") = "7"
    & skf18("7","4","2","3","8","8","1") = "7"
    & skf18("7","4","2","3","8","9","1") = "8"
    & skf18("7","4","2","3","8","10","1") = "9"
    & skf18("7","4","2","3","9","1","1") = "8"
    & skf18("7","4","2","3","9","2","1") = "8"
    & skf18("7","4","2","3","9","3","1") = "8"
    & skf18("7","4","2","3","9","4","1") = "8"
    & skf18("7","4","2","3","9","5","1") = "8"
    & skf18("7","4","2","3","9","6","1") = "8"
    & skf18("7","4","2","3","9","7","1") = "8"
    & skf18("7","4","2","3","9","8","1") = "8"
    & skf18("7","4","2","3","9","9","1") = "8"
    & skf18("7","4","2","3","9","10","1") = "9"
    & skf18("7","4","2","3","10","1","1") = "9"
    & skf18("7","4","2","3","10","2","1") = "9"
    & skf18("7","4","2","3","10","3","1") = "9"
    & skf18("7","4","2","3","10","4","1") = "9"
    & skf18("7","4","2","3","10","5","1") = "9"
    & skf18("7","4","2","3","10","6","1") = "9"
    & skf18("7","4","2","3","10","7","1") = "9"
    & skf18("7","4","2","3","10","8","1") = "9"
    & skf18("7","4","2","3","10","9","1") = "9"
    & skf18("7","4","2","3","10","10","1") = "9"
    & skf18("7","4","2","4","1","1","1") = "6"
    & skf18("7","4","2","4","1","2","1") = "6"
    & skf18("7","4","2","4","1","3","1") = "6"
    & skf18("7","4","2","4","1","4","1") = "6"
    & skf18("7","4","2","4","1","5","1") = "6"
    & skf18("7","4","2","4","1","6","1") = "6"
    & skf18("7","4","2","4","1","7","1") = "6"
    & skf18("7","4","2","4","1","8","1") = "7"
    & skf18("7","4","2","4","1","9","1") = "8"
    & skf18("7","4","2","4","1","10","1") = "9"
    & skf18("7","4","2","4","2","1","1") = "6"
    & skf18("7","4","2","4","2","2","1") = "6"
    & skf18("7","4","2","4","2","3","1") = "6"
    & skf18("7","4","2","4","2","4","1") = "6"
    & skf18("7","4","2","4","2","5","1") = "6"
    & skf18("7","4","2","4","2","6","1") = "6"
    & skf18("7","4","2","4","2","7","1") = "6"
    & skf18("7","4","2","4","2","8","1") = "7"
    & skf18("7","4","2","4","2","9","1") = "8"
    & skf18("7","4","2","4","2","10","1") = "9"
    & skf18("7","4","2","4","3","1","1") = "6"
    & skf18("7","4","2","4","3","2","1") = "6"
    & skf18("7","4","2","4","3","3","1") = "6"
    & skf18("7","4","2","4","3","4","1") = "6"
    & skf18("7","4","2","4","3","5","1") = "6"
    & skf18("7","4","2","4","3","6","1") = "6"
    & skf18("7","4","2","4","3","7","1") = "6"
    & skf18("7","4","2","4","3","8","1") = "7"
    & skf18("7","4","2","4","3","9","1") = "8"
    & skf18("7","4","2","4","3","10","1") = "9"
    & skf18("7","4","2","4","4","1","1") = "6"
    & skf18("7","4","2","4","4","2","1") = "6"
    & skf18("7","4","2","4","4","3","1") = "6"
    & skf18("7","4","2","4","4","4","1") = "6"
    & skf18("7","4","2","4","4","5","1") = "6"
    & skf18("7","4","2","4","4","6","1") = "6"
    & skf18("7","4","2","4","4","7","1") = "6"
    & skf18("7","4","2","4","4","8","1") = "7"
    & skf18("7","4","2","4","4","9","1") = "8"
    & skf18("7","4","2","4","4","10","1") = "9"
    & skf18("7","4","2","4","5","1","1") = "6"
    & skf18("7","4","2","4","5","2","1") = "6"
    & skf18("7","4","2","4","5","3","1") = "6"
    & skf18("7","4","2","4","5","4","1") = "6"
    & skf18("7","4","2","4","5","5","1") = "6"
    & skf18("7","4","2","4","5","6","1") = "6"
    & skf18("7","4","2","4","5","7","1") = "6"
    & skf18("7","4","2","4","5","8","1") = "7"
    & skf18("7","4","2","4","5","9","1") = "8"
    & skf18("7","4","2","4","5","10","1") = "9"
    & skf18("7","4","2","4","6","1","1") = "6"
    & skf18("7","4","2","4","6","2","1") = "6"
    & skf18("7","4","2","4","6","3","1") = "6"
    & skf18("7","4","2","4","6","4","1") = "6"
    & skf18("7","4","2","4","6","5","1") = "6"
    & skf18("7","4","2","4","6","6","1") = "6"
    & skf18("7","4","2","4","6","7","1") = "6"
    & skf18("7","4","2","4","6","8","1") = "7"
    & skf18("7","4","2","4","6","9","1") = "8"
    & skf18("7","4","2","4","6","10","1") = "9"
    & skf18("7","4","2","4","7","1","1") = "6"
    & skf18("7","4","2","4","7","2","1") = "6"
    & skf18("7","4","2","4","7","3","1") = "6"
    & skf18("7","4","2","4","7","4","1") = "6"
    & skf18("7","4","2","4","7","5","1") = "6"
    & skf18("7","4","2","4","7","6","1") = "6"
    & skf18("7","4","2","4","7","7","1") = "6"
    & skf18("7","4","2","4","7","8","1") = "7"
    & skf18("7","4","2","4","7","9","1") = "8"
    & skf18("7","4","2","4","7","10","1") = "9"
    & skf18("7","4","2","4","8","1","1") = "7"
    & skf18("7","4","2","4","8","2","1") = "7"
    & skf18("7","4","2","4","8","3","1") = "7"
    & skf18("7","4","2","4","8","4","1") = "7"
    & skf18("7","4","2","4","8","5","1") = "7"
    & skf18("7","4","2","4","8","6","1") = "7"
    & skf18("7","4","2","4","8","7","1") = "7"
    & skf18("7","4","2","4","8","8","1") = "7"
    & skf18("7","4","2","4","8","9","1") = "8"
    & skf18("7","4","2","4","8","10","1") = "9"
    & skf18("7","4","2","4","9","1","1") = "8"
    & skf18("7","4","2","4","9","2","1") = "8"
    & skf18("7","4","2","4","9","3","1") = "8"
    & skf18("7","4","2","4","9","4","1") = "8"
    & skf18("7","4","2","4","9","5","1") = "8"
    & skf18("7","4","2","4","9","6","1") = "8"
    & skf18("7","4","2","4","9","7","1") = "8"
    & skf18("7","4","2","4","9","8","1") = "8"
    & skf18("7","4","2","4","9","9","1") = "8"
    & skf18("7","4","2","4","9","10","1") = "9"
    & skf18("7","4","2","4","10","1","1") = "9"
    & skf18("7","4","2","4","10","2","1") = "9"
    & skf18("7","4","2","4","10","3","1") = "9"
    & skf18("7","4","2","4","10","4","1") = "9"
    & skf18("7","4","2","4","10","5","1") = "9"
    & skf18("7","4","2","4","10","6","1") = "9"
    & skf18("7","4","2","4","10","7","1") = "9"
    & skf18("7","4","2","4","10","8","1") = "9"
    & skf18("7","4","2","4","10","9","1") = "9"
    & skf18("7","4","2","4","10","10","1") = "9"
    & skf18("7","4","2","5","1","1","1") = "6"
    & skf18("7","4","2","5","1","2","1") = "6"
    & skf18("7","4","2","5","1","3","1") = "6"
    & skf18("7","4","2","5","1","4","1") = "6"
    & skf18("7","4","2","5","1","5","1") = "6"
    & skf18("7","4","2","5","1","6","1") = "6"
    & skf18("7","4","2","5","1","7","1") = "6"
    & skf18("7","4","2","5","1","8","1") = "7"
    & skf18("7","4","2","5","1","9","1") = "8"
    & skf18("7","4","2","5","1","10","1") = "9"
    & skf18("7","4","2","5","2","1","1") = "6"
    & skf18("7","4","2","5","2","2","1") = "6"
    & skf18("7","4","2","5","2","3","1") = "6"
    & skf18("7","4","2","5","2","4","1") = "6"
    & skf18("7","4","2","5","2","5","1") = "6"
    & skf18("7","4","2","5","2","6","1") = "6"
    & skf18("7","4","2","5","2","7","1") = "6"
    & skf18("7","4","2","5","2","8","1") = "7"
    & skf18("7","4","2","5","2","9","1") = "8"
    & skf18("7","4","2","5","2","10","1") = "9"
    & skf18("7","4","2","5","3","1","1") = "6"
    & skf18("7","4","2","5","3","2","1") = "6"
    & skf18("7","4","2","5","3","3","1") = "6"
    & skf18("7","4","2","5","3","4","1") = "6"
    & skf18("7","4","2","5","3","5","1") = "6"
    & skf18("7","4","2","5","3","6","1") = "6"
    & skf18("7","4","2","5","3","7","1") = "6"
    & skf18("7","4","2","5","3","8","1") = "7"
    & skf18("7","4","2","5","3","9","1") = "8"
    & skf18("7","4","2","5","3","10","1") = "9"
    & skf18("7","4","2","5","4","1","1") = "6"
    & skf18("7","4","2","5","4","2","1") = "6"
    & skf18("7","4","2","5","4","3","1") = "6"
    & skf18("7","4","2","5","4","4","1") = "6"
    & skf18("7","4","2","5","4","5","1") = "6"
    & skf18("7","4","2","5","4","6","1") = "6"
    & skf18("7","4","2","5","4","7","1") = "6"
    & skf18("7","4","2","5","4","8","1") = "7"
    & skf18("7","4","2","5","4","9","1") = "8"
    & skf18("7","4","2","5","4","10","1") = "9"
    & skf18("7","4","2","5","5","1","1") = "6"
    & skf18("7","4","2","5","5","2","1") = "6"
    & skf18("7","4","2","5","5","3","1") = "6"
    & skf18("7","4","2","5","5","4","1") = "6"
    & skf18("7","4","2","5","5","5","1") = "6"
    & skf18("7","4","2","5","5","6","1") = "6"
    & skf18("7","4","2","5","5","7","1") = "6"
    & skf18("7","4","2","5","5","8","1") = "7"
    & skf18("7","4","2","5","5","9","1") = "8"
    & skf18("7","4","2","5","5","10","1") = "9"
    & skf18("7","4","2","5","6","1","1") = "6"
    & skf18("7","4","2","5","6","2","1") = "6"
    & skf18("7","4","2","5","6","3","1") = "6"
    & skf18("7","4","2","5","6","4","1") = "6"
    & skf18("7","4","2","5","6","5","1") = "6"
    & skf18("7","4","2","5","6","6","1") = "6"
    & skf18("7","4","2","5","6","7","1") = "6"
    & skf18("7","4","2","5","6","8","1") = "7"
    & skf18("7","4","2","5","6","9","1") = "8"
    & skf18("7","4","2","5","6","10","1") = "9"
    & skf18("7","4","2","5","7","1","1") = "6"
    & skf18("7","4","2","5","7","2","1") = "6"
    & skf18("7","4","2","5","7","3","1") = "6"
    & skf18("7","4","2","5","7","4","1") = "6"
    & skf18("7","4","2","5","7","5","1") = "6"
    & skf18("7","4","2","5","7","6","1") = "6"
    & skf18("7","4","2","5","7","7","1") = "6"
    & skf18("7","4","2","5","7","8","1") = "7"
    & skf18("7","4","2","5","7","9","1") = "8"
    & skf18("7","4","2","5","7","10","1") = "9"
    & skf18("7","4","2","5","8","1","1") = "7"
    & skf18("7","4","2","5","8","2","1") = "7"
    & skf18("7","4","2","5","8","3","1") = "7"
    & skf18("7","4","2","5","8","4","1") = "7"
    & skf18("7","4","2","5","8","5","1") = "7"
    & skf18("7","4","2","5","8","6","1") = "7"
    & skf18("7","4","2","5","8","7","1") = "7"
    & skf18("7","4","2","5","8","8","1") = "7"
    & skf18("7","4","2","5","8","9","1") = "8"
    & skf18("7","4","2","5","8","10","1") = "9"
    & skf18("7","4","2","5","9","1","1") = "8"
    & skf18("7","4","2","5","9","2","1") = "8"
    & skf18("7","4","2","5","9","3","1") = "8"
    & skf18("7","4","2","5","9","4","1") = "8"
    & skf18("7","4","2","5","9","5","1") = "8"
    & skf18("7","4","2","5","9","6","1") = "8"
    & skf18("7","4","2","5","9","7","1") = "8"
    & skf18("7","4","2","5","9","8","1") = "8"
    & skf18("7","4","2","5","9","9","1") = "8"
    & skf18("7","4","2","5","9","10","1") = "9"
    & skf18("7","4","2","5","10","1","1") = "9"
    & skf18("7","4","2","5","10","2","1") = "9"
    & skf18("7","4","2","5","10","3","1") = "9"
    & skf18("7","4","2","5","10","4","1") = "9"
    & skf18("7","4","2","5","10","5","1") = "9"
    & skf18("7","4","2","5","10","6","1") = "9"
    & skf18("7","4","2","5","10","7","1") = "9"
    & skf18("7","4","2","5","10","8","1") = "9"
    & skf18("7","4","2","5","10","9","1") = "9"
    & skf18("7","4","2","5","10","10","1") = "9"
    & skf18("7","4","2","6","1","1","1") = "6"
    & skf18("7","4","2","6","1","2","1") = "6"
    & skf18("7","4","2","6","1","3","1") = "6"
    & skf18("7","4","2","6","1","4","1") = "6"
    & skf18("7","4","2","6","1","5","1") = "6"
    & skf18("7","4","2","6","1","6","1") = "6"
    & skf18("7","4","2","6","1","7","1") = "6"
    & skf18("7","4","2","6","1","8","1") = "7"
    & skf18("7","4","2","6","1","9","1") = "8"
    & skf18("7","4","2","6","1","10","1") = "9"
    & skf18("7","4","2","6","2","1","1") = "6"
    & skf18("7","4","2","6","2","2","1") = "6"
    & skf18("7","4","2","6","2","3","1") = "6"
    & skf18("7","4","2","6","2","4","1") = "6"
    & skf18("7","4","2","6","2","5","1") = "6"
    & skf18("7","4","2","6","2","6","1") = "6"
    & skf18("7","4","2","6","2","7","1") = "6"
    & skf18("7","4","2","6","2","8","1") = "7"
    & skf18("7","4","2","6","2","9","1") = "8"
    & skf18("7","4","2","6","2","10","1") = "9"
    & skf18("7","4","2","6","3","1","1") = "6"
    & skf18("7","4","2","6","3","2","1") = "6"
    & skf18("7","4","2","6","3","3","1") = "6"
    & skf18("7","4","2","6","3","4","1") = "6"
    & skf18("7","4","2","6","3","5","1") = "6"
    & skf18("7","4","2","6","3","6","1") = "6"
    & skf18("7","4","2","6","3","7","1") = "6"
    & skf18("7","4","2","6","3","8","1") = "7"
    & skf18("7","4","2","6","3","9","1") = "8"
    & skf18("7","4","2","6","3","10","1") = "9"
    & skf18("7","4","2","6","4","1","1") = "6"
    & skf18("7","4","2","6","4","2","1") = "6"
    & skf18("7","4","2","6","4","3","1") = "6"
    & skf18("7","4","2","6","4","4","1") = "6"
    & skf18("7","4","2","6","4","5","1") = "6"
    & skf18("7","4","2","6","4","6","1") = "6"
    & skf18("7","4","2","6","4","7","1") = "6"
    & skf18("7","4","2","6","4","8","1") = "7"
    & skf18("7","4","2","6","4","9","1") = "8"
    & skf18("7","4","2","6","4","10","1") = "9"
    & skf18("7","4","2","6","5","1","1") = "6"
    & skf18("7","4","2","6","5","2","1") = "6"
    & skf18("7","4","2","6","5","3","1") = "6"
    & skf18("7","4","2","6","5","4","1") = "6"
    & skf18("7","4","2","6","5","5","1") = "6"
    & skf18("7","4","2","6","5","6","1") = "6"
    & skf18("7","4","2","6","5","7","1") = "6"
    & skf18("7","4","2","6","5","8","1") = "7"
    & skf18("7","4","2","6","5","9","1") = "8"
    & skf18("7","4","2","6","5","10","1") = "9"
    & skf18("7","4","2","6","6","1","1") = "6"
    & skf18("7","4","2","6","6","2","1") = "6"
    & skf18("7","4","2","6","6","3","1") = "6"
    & skf18("7","4","2","6","6","4","1") = "6"
    & skf18("7","4","2","6","6","5","1") = "6"
    & skf18("7","4","2","6","6","6","1") = "6"
    & skf18("7","4","2","6","6","7","1") = "6"
    & skf18("7","4","2","6","6","8","1") = "7"
    & skf18("7","4","2","6","6","9","1") = "8"
    & skf18("7","4","2","6","6","10","1") = "9"
    & skf18("7","4","2","6","7","1","1") = "6"
    & skf18("7","4","2","6","7","2","1") = "6"
    & skf18("7","4","2","6","7","3","1") = "6"
    & skf18("7","4","2","6","7","4","1") = "6"
    & skf18("7","4","2","6","7","5","1") = "6"
    & skf18("7","4","2","6","7","6","1") = "6"
    & skf18("7","4","2","6","7","7","1") = "6"
    & skf18("7","4","2","6","7","8","1") = "7"
    & skf18("7","4","2","6","7","9","1") = "8"
    & skf18("7","4","2","6","7","10","1") = "9"
    & skf18("7","4","2","6","8","1","1") = "7"
    & skf18("7","4","2","6","8","2","1") = "7"
    & skf18("7","4","2","6","8","3","1") = "7"
    & skf18("7","4","2","6","8","4","1") = "7"
    & skf18("7","4","2","6","8","5","1") = "7"
    & skf18("7","4","2","6","8","6","1") = "7"
    & skf18("7","4","2","6","8","7","1") = "7"
    & skf18("7","4","2","6","8","8","1") = "7"
    & skf18("7","4","2","6","8","9","1") = "8"
    & skf18("7","4","2","6","8","10","1") = "9"
    & skf18("7","4","2","6","9","1","1") = "8"
    & skf18("7","4","2","6","9","2","1") = "8"
    & skf18("7","4","2","6","9","3","1") = "8"
    & skf18("7","4","2","6","9","4","1") = "8"
    & skf18("7","4","2","6","9","5","1") = "8"
    & skf18("7","4","2","6","9","6","1") = "8"
    & skf18("7","4","2","6","9","7","1") = "8"
    & skf18("7","4","2","6","9","8","1") = "8"
    & skf18("7","4","2","6","9","9","1") = "8"
    & skf18("7","4","2","6","9","10","1") = "9"
    & skf18("7","4","2","6","10","1","1") = "9"
    & skf18("7","4","2","6","10","2","1") = "9"
    & skf18("7","4","2","6","10","3","1") = "9"
    & skf18("7","4","2","6","10","4","1") = "9"
    & skf18("7","4","2","6","10","5","1") = "9"
    & skf18("7","4","2","6","10","6","1") = "9"
    & skf18("7","4","2","6","10","7","1") = "9"
    & skf18("7","4","2","6","10","8","1") = "9"
    & skf18("7","4","2","6","10","9","1") = "9"
    & skf18("7","4","2","6","10","10","1") = "9"
    & skf18("7","4","2","7","1","1","1") = "6"
    & skf18("7","4","2","7","1","2","1") = "6"
    & skf18("7","4","2","7","1","3","1") = "6"
    & skf18("7","4","2","7","1","4","1") = "6"
    & skf18("7","4","2","7","1","5","1") = "6"
    & skf18("7","4","2","7","1","6","1") = "6"
    & skf18("7","4","2","7","1","7","1") = "6"
    & skf18("7","4","2","7","1","8","1") = "7"
    & skf18("7","4","2","7","1","9","1") = "8"
    & skf18("7","4","2","7","1","10","1") = "9"
    & skf18("7","4","2","7","2","1","1") = "6"
    & skf18("7","4","2","7","2","2","1") = "6"
    & skf18("7","4","2","7","2","3","1") = "6"
    & skf18("7","4","2","7","2","4","1") = "6"
    & skf18("7","4","2","7","2","5","1") = "6"
    & skf18("7","4","2","7","2","6","1") = "6"
    & skf18("7","4","2","7","2","7","1") = "6"
    & skf18("7","4","2","7","2","8","1") = "7"
    & skf18("7","4","2","7","2","9","1") = "8"
    & skf18("7","4","2","7","2","10","1") = "9"
    & skf18("7","4","2","7","3","1","1") = "6"
    & skf18("7","4","2","7","3","2","1") = "6"
    & skf18("7","4","2","7","3","3","1") = "6"
    & skf18("7","4","2","7","3","4","1") = "6"
    & skf18("7","4","2","7","3","5","1") = "6"
    & skf18("7","4","2","7","3","6","1") = "6"
    & skf18("7","4","2","7","3","7","1") = "6"
    & skf18("7","4","2","7","3","8","1") = "7"
    & skf18("7","4","2","7","3","9","1") = "8"
    & skf18("7","4","2","7","3","10","1") = "9"
    & skf18("7","4","2","7","4","1","1") = "6"
    & skf18("7","4","2","7","4","2","1") = "6"
    & skf18("7","4","2","7","4","3","1") = "6"
    & skf18("7","4","2","7","4","4","1") = "6"
    & skf18("7","4","2","7","4","5","1") = "6"
    & skf18("7","4","2","7","4","6","1") = "6"
    & skf18("7","4","2","7","4","7","1") = "6"
    & skf18("7","4","2","7","4","8","1") = "7"
    & skf18("7","4","2","7","4","9","1") = "8"
    & skf18("7","4","2","7","4","10","1") = "9"
    & skf18("7","4","2","7","5","1","1") = "6"
    & skf18("7","4","2","7","5","2","1") = "6"
    & skf18("7","4","2","7","5","3","1") = "6"
    & skf18("7","4","2","7","5","4","1") = "6"
    & skf18("7","4","2","7","5","5","1") = "6"
    & skf18("7","4","2","7","5","6","1") = "6"
    & skf18("7","4","2","7","5","7","1") = "6"
    & skf18("7","4","2","7","5","8","1") = "7"
    & skf18("7","4","2","7","5","9","1") = "8"
    & skf18("7","4","2","7","5","10","1") = "9"
    & skf18("7","4","2","7","6","1","1") = "6"
    & skf18("7","4","2","7","6","2","1") = "6"
    & skf18("7","4","2","7","6","3","1") = "6"
    & skf18("7","4","2","7","6","4","1") = "6"
    & skf18("7","4","2","7","6","5","1") = "6"
    & skf18("7","4","2","7","6","6","1") = "6"
    & skf18("7","4","2","7","6","7","1") = "6"
    & skf18("7","4","2","7","6","8","1") = "7"
    & skf18("7","4","2","7","6","9","1") = "8"
    & skf18("7","4","2","7","6","10","1") = "9"
    & skf18("7","4","2","7","7","1","1") = "6"
    & skf18("7","4","2","7","7","2","1") = "6"
    & skf18("7","4","2","7","7","3","1") = "6"
    & skf18("7","4","2","7","7","4","1") = "6"
    & skf18("7","4","2","7","7","5","1") = "6"
    & skf18("7","4","2","7","7","6","1") = "6"
    & skf18("7","4","2","7","7","7","1") = "6"
    & skf18("7","4","2","7","7","8","1") = "7"
    & skf18("7","4","2","7","7","9","1") = "8"
    & skf18("7","4","2","7","7","10","1") = "9"
    & skf18("7","4","2","7","8","1","1") = "7"
    & skf18("7","4","2","7","8","2","1") = "7"
    & skf18("7","4","2","7","8","3","1") = "7"
    & skf18("7","4","2","7","8","4","1") = "7"
    & skf18("7","4","2","7","8","5","1") = "7"
    & skf18("7","4","2","7","8","6","1") = "7"
    & skf18("7","4","2","7","8","7","1") = "7"
    & skf18("7","4","2","7","8","8","1") = "7"
    & skf18("7","4","2","7","8","9","1") = "8"
    & skf18("7","4","2","7","8","10","1") = "9"
    & skf18("7","4","2","7","9","1","1") = "8"
    & skf18("7","4","2","7","9","2","1") = "8"
    & skf18("7","4","2","7","9","3","1") = "8"
    & skf18("7","4","2","7","9","4","1") = "8"
    & skf18("7","4","2","7","9","5","1") = "8"
    & skf18("7","4","2","7","9","6","1") = "8"
    & skf18("7","4","2","7","9","7","1") = "8"
    & skf18("7","4","2","7","9","8","1") = "8"
    & skf18("7","4","2","7","9","9","1") = "8"
    & skf18("7","4","2","7","9","10","1") = "9"
    & skf18("7","4","2","7","10","1","1") = "9"
    & skf18("7","4","2","7","10","2","1") = "9"
    & skf18("7","4","2","7","10","3","1") = "9"
    & skf18("7","4","2","7","10","4","1") = "9"
    & skf18("7","4","2","7","10","5","1") = "9"
    & skf18("7","4","2","7","10","6","1") = "9"
    & skf18("7","4","2","7","10","7","1") = "9"
    & skf18("7","4","2","7","10","8","1") = "9"
    & skf18("7","4","2","7","10","9","1") = "9"
    & skf18("7","4","2","7","10","10","1") = "9"
    & skf18("7","4","2","8","1","1","1") = "7"
    & skf18("7","4","2","8","1","2","1") = "7"
    & skf18("7","4","2","8","1","3","1") = "7"
    & skf18("7","4","2","8","1","4","1") = "7"
    & skf18("7","4","2","8","1","5","1") = "7"
    & skf18("7","4","2","8","1","6","1") = "7"
    & skf18("7","4","2","8","1","7","1") = "7"
    & skf18("7","4","2","8","1","8","1") = "7"
    & skf18("7","4","2","8","1","9","1") = "8"
    & skf18("7","4","2","8","1","10","1") = "9"
    & skf18("7","4","2","8","2","1","1") = "7"
    & skf18("7","4","2","8","2","2","1") = "7"
    & skf18("7","4","2","8","2","3","1") = "7"
    & skf18("7","4","2","8","2","4","1") = "7"
    & skf18("7","4","2","8","2","5","1") = "7"
    & skf18("7","4","2","8","2","6","1") = "7"
    & skf18("7","4","2","8","2","7","1") = "7"
    & skf18("7","4","2","8","2","8","1") = "7"
    & skf18("7","4","2","8","2","9","1") = "8"
    & skf18("7","4","2","8","2","10","1") = "9"
    & skf18("7","4","2","8","3","1","1") = "7"
    & skf18("7","4","2","8","3","2","1") = "7"
    & skf18("7","4","2","8","3","3","1") = "7"
    & skf18("7","4","2","8","3","4","1") = "7"
    & skf18("7","4","2","8","3","5","1") = "7"
    & skf18("7","4","2","8","3","6","1") = "7"
    & skf18("7","4","2","8","3","7","1") = "7"
    & skf18("7","4","2","8","3","8","1") = "7"
    & skf18("7","4","2","8","3","9","1") = "8"
    & skf18("7","4","2","8","3","10","1") = "9"
    & skf18("7","4","2","8","4","1","1") = "7"
    & skf18("7","4","2","8","4","2","1") = "7"
    & skf18("7","4","2","8","4","3","1") = "7"
    & skf18("7","4","2","8","4","4","1") = "7"
    & skf18("7","4","2","8","4","5","1") = "7"
    & skf18("7","4","2","8","4","6","1") = "7"
    & skf18("7","4","2","8","4","7","1") = "7"
    & skf18("7","4","2","8","4","8","1") = "7"
    & skf18("7","4","2","8","4","9","1") = "8"
    & skf18("7","4","2","8","4","10","1") = "9"
    & skf18("7","4","2","8","5","1","1") = "7"
    & skf18("7","4","2","8","5","2","1") = "7"
    & skf18("7","4","2","8","5","3","1") = "7"
    & skf18("7","4","2","8","5","4","1") = "7"
    & skf18("7","4","2","8","5","5","1") = "7"
    & skf18("7","4","2","8","5","6","1") = "7"
    & skf18("7","4","2","8","5","7","1") = "7"
    & skf18("7","4","2","8","5","8","1") = "7"
    & skf18("7","4","2","8","5","9","1") = "8"
    & skf18("7","4","2","8","5","10","1") = "9"
    & skf18("7","4","2","8","6","1","1") = "7"
    & skf18("7","4","2","8","6","2","1") = "7"
    & skf18("7","4","2","8","6","3","1") = "7"
    & skf18("7","4","2","8","6","4","1") = "7"
    & skf18("7","4","2","8","6","5","1") = "7"
    & skf18("7","4","2","8","6","6","1") = "7"
    & skf18("7","4","2","8","6","7","1") = "7"
    & skf18("7","4","2","8","6","8","1") = "7"
    & skf18("7","4","2","8","6","9","1") = "8"
    & skf18("7","4","2","8","6","10","1") = "9"
    & skf18("7","4","2","8","7","1","1") = "7"
    & skf18("7","4","2","8","7","2","1") = "7"
    & skf18("7","4","2","8","7","3","1") = "7"
    & skf18("7","4","2","8","7","4","1") = "7"
    & skf18("7","4","2","8","7","5","1") = "7"
    & skf18("7","4","2","8","7","6","1") = "7"
    & skf18("7","4","2","8","7","7","1") = "7"
    & skf18("7","4","2","8","7","8","1") = "7"
    & skf18("7","4","2","8","7","9","1") = "8"
    & skf18("7","4","2","8","7","10","1") = "9"
    & skf18("7","4","2","8","8","1","1") = "7"
    & skf18("7","4","2","8","8","2","1") = "7"
    & skf18("7","4","2","8","8","3","1") = "7"
    & skf18("7","4","2","8","8","4","1") = "7"
    & skf18("7","4","2","8","8","5","1") = "7"
    & skf18("7","4","2","8","8","6","1") = "7"
    & skf18("7","4","2","8","8","7","1") = "7"
    & skf18("7","4","2","8","8","8","1") = "7"
    & skf18("7","4","2","8","8","9","1") = "8"
    & skf18("7","4","2","8","8","10","1") = "9"
    & skf18("7","4","2","8","9","1","1") = "8"
    & skf18("7","4","2","8","9","2","1") = "8"
    & skf18("7","4","2","8","9","3","1") = "8"
    & skf18("7","4","2","8","9","4","1") = "8"
    & skf18("7","4","2","8","9","5","1") = "8"
    & skf18("7","4","2","8","9","6","1") = "8"
    & skf18("7","4","2","8","9","7","1") = "8"
    & skf18("7","4","2","8","9","8","1") = "8"
    & skf18("7","4","2","8","9","9","1") = "8"
    & skf18("7","4","2","8","9","10","1") = "9"
    & skf18("7","4","2","8","10","1","1") = "9"
    & skf18("7","4","2","8","10","2","1") = "9"
    & skf18("7","4","2","8","10","3","1") = "9"
    & skf18("7","4","2","8","10","4","1") = "9"
    & skf18("7","4","2","8","10","5","1") = "9"
    & skf18("7","4","2","8","10","6","1") = "9"
    & skf18("7","4","2","8","10","7","1") = "9"
    & skf18("7","4","2","8","10","8","1") = "9"
    & skf18("7","4","2","8","10","9","1") = "9"
    & skf18("7","4","2","8","10","10","1") = "9"
    & skf18("7","4","2","9","1","1","1") = "8"
    & skf18("7","4","2","9","1","2","1") = "8"
    & skf18("7","4","2","9","1","3","1") = "8"
    & skf18("7","4","2","9","1","4","1") = "8"
    & skf18("7","4","2","9","1","5","1") = "8"
    & skf18("7","4","2","9","1","6","1") = "8"
    & skf18("7","4","2","9","1","7","1") = "8"
    & skf18("7","4","2","9","1","8","1") = "8"
    & skf18("7","4","2","9","1","9","1") = "8"
    & skf18("7","4","2","9","1","10","1") = "9"
    & skf18("7","4","2","9","2","1","1") = "8"
    & skf18("7","4","2","9","2","2","1") = "8"
    & skf18("7","4","2","9","2","3","1") = "8"
    & skf18("7","4","2","9","2","4","1") = "8"
    & skf18("7","4","2","9","2","5","1") = "8"
    & skf18("7","4","2","9","2","6","1") = "8"
    & skf18("7","4","2","9","2","7","1") = "8"
    & skf18("7","4","2","9","2","8","1") = "8"
    & skf18("7","4","2","9","2","9","1") = "8"
    & skf18("7","4","2","9","2","10","1") = "9"
    & skf18("7","4","2","9","3","1","1") = "8"
    & skf18("7","4","2","9","3","2","1") = "8"
    & skf18("7","4","2","9","3","3","1") = "8"
    & skf18("7","4","2","9","3","4","1") = "8"
    & skf18("7","4","2","9","3","5","1") = "8"
    & skf18("7","4","2","9","3","6","1") = "8"
    & skf18("7","4","2","9","3","7","1") = "8"
    & skf18("7","4","2","9","3","8","1") = "8"
    & skf18("7","4","2","9","3","9","1") = "8"
    & skf18("7","4","2","9","3","10","1") = "9"
    & skf18("7","4","2","9","4","1","1") = "8"
    & skf18("7","4","2","9","4","2","1") = "8"
    & skf18("7","4","2","9","4","3","1") = "8"
    & skf18("7","4","2","9","4","4","1") = "8"
    & skf18("7","4","2","9","4","5","1") = "8"
    & skf18("7","4","2","9","4","6","1") = "8"
    & skf18("7","4","2","9","4","7","1") = "8"
    & skf18("7","4","2","9","4","8","1") = "8"
    & skf18("7","4","2","9","4","9","1") = "8"
    & skf18("7","4","2","9","4","10","1") = "9"
    & skf18("7","4","2","9","5","1","1") = "8"
    & skf18("7","4","2","9","5","2","1") = "8"
    & skf18("7","4","2","9","5","3","1") = "8"
    & skf18("7","4","2","9","5","4","1") = "8"
    & skf18("7","4","2","9","5","5","1") = "8"
    & skf18("7","4","2","9","5","6","1") = "8"
    & skf18("7","4","2","9","5","7","1") = "8"
    & skf18("7","4","2","9","5","8","1") = "8"
    & skf18("7","4","2","9","5","9","1") = "8"
    & skf18("7","4","2","9","5","10","1") = "9"
    & skf18("7","4","2","9","6","1","1") = "8"
    & skf18("7","4","2","9","6","2","1") = "8"
    & skf18("7","4","2","9","6","3","1") = "8"
    & skf18("7","4","2","9","6","4","1") = "8"
    & skf18("7","4","2","9","6","5","1") = "8"
    & skf18("7","4","2","9","6","6","1") = "8"
    & skf18("7","4","2","9","6","7","1") = "8"
    & skf18("7","4","2","9","6","8","1") = "8"
    & skf18("7","4","2","9","6","9","1") = "8"
    & skf18("7","4","2","9","6","10","1") = "9"
    & skf18("7","4","2","9","7","1","1") = "8"
    & skf18("7","4","2","9","7","2","1") = "8"
    & skf18("7","4","2","9","7","3","1") = "8"
    & skf18("7","4","2","9","7","4","1") = "8"
    & skf18("7","4","2","9","7","5","1") = "8"
    & skf18("7","4","2","9","7","6","1") = "8"
    & skf18("7","4","2","9","7","7","1") = "8"
    & skf18("7","4","2","9","7","8","1") = "8"
    & skf18("7","4","2","9","7","9","1") = "8"
    & skf18("7","4","2","9","7","10","1") = "9"
    & skf18("7","4","2","9","8","1","1") = "8"
    & skf18("7","4","2","9","8","2","1") = "8"
    & skf18("7","4","2","9","8","3","1") = "8"
    & skf18("7","4","2","9","8","4","1") = "8"
    & skf18("7","4","2","9","8","5","1") = "8"
    & skf18("7","4","2","9","8","6","1") = "8"
    & skf18("7","4","2","9","8","7","1") = "8"
    & skf18("7","4","2","9","8","8","1") = "8"
    & skf18("7","4","2","9","8","9","1") = "8"
    & skf18("7","4","2","9","8","10","1") = "9"
    & skf18("7","4","2","9","9","1","1") = "8"
    & skf18("7","4","2","9","9","2","1") = "8"
    & skf18("7","4","2","9","9","3","1") = "8"
    & skf18("7","4","2","9","9","4","1") = "8"
    & skf18("7","4","2","9","9","5","1") = "8"
    & skf18("7","4","2","9","9","6","1") = "8"
    & skf18("7","4","2","9","9","7","1") = "8"
    & skf18("7","4","2","9","9","8","1") = "8"
    & skf18("7","4","2","9","9","9","1") = "8"
    & skf18("7","4","2","9","9","10","1") = "9"
    & skf18("7","4","2","9","10","1","1") = "9"
    & skf18("7","4","2","9","10","2","1") = "9"
    & skf18("7","4","2","9","10","3","1") = "9"
    & skf18("7","4","2","9","10","4","1") = "9"
    & skf18("7","4","2","9","10","5","1") = "9"
    & skf18("7","4","2","9","10","6","1") = "9"
    & skf18("7","4","2","9","10","7","1") = "9"
    & skf18("7","4","2","9","10","8","1") = "9"
    & skf18("7","4","2","9","10","9","1") = "9"
    & skf18("7","4","2","9","10","10","1") = "9"
    & skf18("7","4","2","10","1","1","1") = "9"
    & skf18("7","4","2","10","1","2","1") = "9"
    & skf18("7","4","2","10","1","3","1") = "9"
    & skf18("7","4","2","10","1","4","1") = "9"
    & skf18("7","4","2","10","1","5","1") = "9"
    & skf18("7","4","2","10","1","6","1") = "9"
    & skf18("7","4","2","10","1","7","1") = "9"
    & skf18("7","4","2","10","1","8","1") = "9"
    & skf18("7","4","2","10","1","9","1") = "9"
    & skf18("7","4","2","10","1","10","1") = "9"
    & skf18("7","4","2","10","2","1","1") = "9"
    & skf18("7","4","2","10","2","2","1") = "9"
    & skf18("7","4","2","10","2","3","1") = "9"
    & skf18("7","4","2","10","2","4","1") = "9"
    & skf18("7","4","2","10","2","5","1") = "9"
    & skf18("7","4","2","10","2","6","1") = "9"
    & skf18("7","4","2","10","2","7","1") = "9"
    & skf18("7","4","2","10","2","8","1") = "9"
    & skf18("7","4","2","10","2","9","1") = "9"
    & skf18("7","4","2","10","2","10","1") = "9"
    & skf18("7","4","2","10","3","1","1") = "9"
    & skf18("7","4","2","10","3","2","1") = "9"
    & skf18("7","4","2","10","3","3","1") = "9"
    & skf18("7","4","2","10","3","4","1") = "9"
    & skf18("7","4","2","10","3","5","1") = "9"
    & skf18("7","4","2","10","3","6","1") = "9"
    & skf18("7","4","2","10","3","7","1") = "9"
    & skf18("7","4","2","10","3","8","1") = "9"
    & skf18("7","4","2","10","3","9","1") = "9"
    & skf18("7","4","2","10","3","10","1") = "9"
    & skf18("7","4","2","10","4","1","1") = "9"
    & skf18("7","4","2","10","4","2","1") = "9"
    & skf18("7","4","2","10","4","3","1") = "9"
    & skf18("7","4","2","10","4","4","1") = "9"
    & skf18("7","4","2","10","4","5","1") = "9"
    & skf18("7","4","2","10","4","6","1") = "9"
    & skf18("7","4","2","10","4","7","1") = "9"
    & skf18("7","4","2","10","4","8","1") = "9"
    & skf18("7","4","2","10","4","9","1") = "9"
    & skf18("7","4","2","10","4","10","1") = "9"
    & skf18("7","4","2","10","5","1","1") = "9"
    & skf18("7","4","2","10","5","2","1") = "9"
    & skf18("7","4","2","10","5","3","1") = "9"
    & skf18("7","4","2","10","5","4","1") = "9"
    & skf18("7","4","2","10","5","5","1") = "9"
    & skf18("7","4","2","10","5","6","1") = "9"
    & skf18("7","4","2","10","5","7","1") = "9"
    & skf18("7","4","2","10","5","8","1") = "9"
    & skf18("7","4","2","10","5","9","1") = "9"
    & skf18("7","4","2","10","5","10","1") = "9"
    & skf18("7","4","2","10","6","1","1") = "9"
    & skf18("7","4","2","10","6","2","1") = "9"
    & skf18("7","4","2","10","6","3","1") = "9"
    & skf18("7","4","2","10","6","4","1") = "9"
    & skf18("7","4","2","10","6","5","1") = "9"
    & skf18("7","4","2","10","6","6","1") = "9"
    & skf18("7","4","2","10","6","7","1") = "9"
    & skf18("7","4","2","10","6","8","1") = "9"
    & skf18("7","4","2","10","6","9","1") = "9"
    & skf18("7","4","2","10","6","10","1") = "9"
    & skf18("7","4","2","10","7","1","1") = "9"
    & skf18("7","4","2","10","7","2","1") = "9"
    & skf18("7","4","2","10","7","3","1") = "9"
    & skf18("7","4","2","10","7","4","1") = "9"
    & skf18("7","4","2","10","7","5","1") = "9"
    & skf18("7","4","2","10","7","6","1") = "9"
    & skf18("7","4","2","10","7","7","1") = "9"
    & skf18("7","4","2","10","7","8","1") = "9"
    & skf18("7","4","2","10","7","9","1") = "9"
    & skf18("7","4","2","10","7","10","1") = "9"
    & skf18("7","4","2","10","8","1","1") = "9"
    & skf18("7","4","2","10","8","2","1") = "9"
    & skf18("7","4","2","10","8","3","1") = "9"
    & skf18("7","4","2","10","8","4","1") = "9"
    & skf18("7","4","2","10","8","5","1") = "9"
    & skf18("7","4","2","10","8","6","1") = "9"
    & skf18("7","4","2","10","8","7","1") = "9"
    & skf18("7","4","2","10","8","8","1") = "9"
    & skf18("7","4","2","10","8","9","1") = "9"
    & skf18("7","4","2","10","8","10","1") = "9"
    & skf18("7","4","2","10","9","1","1") = "9"
    & skf18("7","4","2","10","9","2","1") = "9"
    & skf18("7","4","2","10","9","3","1") = "9"
    & skf18("7","4","2","10","9","4","1") = "9"
    & skf18("7","4","2","10","9","5","1") = "9"
    & skf18("7","4","2","10","9","6","1") = "9"
    & skf18("7","4","2","10","9","7","1") = "9"
    & skf18("7","4","2","10","9","8","1") = "9"
    & skf18("7","4","2","10","9","9","1") = "9"
    & skf18("7","4","2","10","9","10","1") = "9"
    & skf18("7","4","2","10","10","1","1") = "9"
    & skf18("7","4","2","10","10","2","1") = "9"
    & skf18("7","4","2","10","10","3","1") = "9"
    & skf18("7","4","2","10","10","4","1") = "9"
    & skf18("7","4","2","10","10","5","1") = "9"
    & skf18("7","4","2","10","10","6","1") = "9"
    & skf18("7","4","2","10","10","7","1") = "9"
    & skf18("7","4","2","10","10","8","1") = "9"
    & skf18("7","4","2","10","10","9","1") = "9"
    & skf18("7","4","2","10","10","10","1") = "9"
    & skf18("7","4","3","1","1","1","1") = "6"
    & skf18("7","4","3","1","1","2","1") = "6"
    & skf18("7","4","3","1","1","3","1") = "6"
    & skf18("7","4","3","1","1","4","1") = "6"
    & skf18("7","4","3","1","1","5","1") = "6"
    & skf18("7","4","3","1","1","6","1") = "6"
    & skf18("7","4","3","1","1","7","1") = "6"
    & skf18("7","4","3","1","1","8","1") = "7"
    & skf18("7","4","3","1","1","9","1") = "8"
    & skf18("7","4","3","1","1","10","1") = "9"
    & skf18("7","4","3","1","2","1","1") = "6"
    & skf18("7","4","3","1","2","2","1") = "6"
    & skf18("7","4","3","1","2","3","1") = "6"
    & skf18("7","4","3","1","2","4","1") = "6"
    & skf18("7","4","3","1","2","5","1") = "6"
    & skf18("7","4","3","1","2","6","1") = "6"
    & skf18("7","4","3","1","2","7","1") = "6"
    & skf18("7","4","3","1","2","8","1") = "7"
    & skf18("7","4","3","1","2","9","1") = "8"
    & skf18("7","4","3","1","2","10","1") = "9"
    & skf18("7","4","3","1","3","1","1") = "6"
    & skf18("7","4","3","1","3","2","1") = "6"
    & skf18("7","4","3","1","3","3","1") = "6"
    & skf18("7","4","3","1","3","4","1") = "6"
    & skf18("7","4","3","1","3","5","1") = "6"
    & skf18("7","4","3","1","3","6","1") = "6"
    & skf18("7","4","3","1","3","7","1") = "6"
    & skf18("7","4","3","1","3","8","1") = "7"
    & skf18("7","4","3","1","3","9","1") = "8"
    & skf18("7","4","3","1","3","10","1") = "9"
    & skf18("7","4","3","1","4","1","1") = "6"
    & skf18("7","4","3","1","4","2","1") = "6"
    & skf18("7","4","3","1","4","3","1") = "6"
    & skf18("7","4","3","1","4","4","1") = "6"
    & skf18("7","4","3","1","4","5","1") = "6"
    & skf18("7","4","3","1","4","6","1") = "6"
    & skf18("7","4","3","1","4","7","1") = "6"
    & skf18("7","4","3","1","4","8","1") = "7"
    & skf18("7","4","3","1","4","9","1") = "8"
    & skf18("7","4","3","1","4","10","1") = "9"
    & skf18("7","4","3","1","5","1","1") = "6"
    & skf18("7","4","3","1","5","2","1") = "6"
    & skf18("7","4","3","1","5","3","1") = "6"
    & skf18("7","4","3","1","5","4","1") = "6"
    & skf18("7","4","3","1","5","5","1") = "6"
    & skf18("7","4","3","1","5","6","1") = "6"
    & skf18("7","4","3","1","5","7","1") = "6"
    & skf18("7","4","3","1","5","8","1") = "7"
    & skf18("7","4","3","1","5","9","1") = "8"
    & skf18("7","4","3","1","5","10","1") = "9"
    & skf18("7","4","3","1","6","1","1") = "6"
    & skf18("7","4","3","1","6","2","1") = "6"
    & skf18("7","4","3","1","6","3","1") = "6"
    & skf18("7","4","3","1","6","4","1") = "6"
    & skf18("7","4","3","1","6","5","1") = "6"
    & skf18("7","4","3","1","6","6","1") = "6"
    & skf18("7","4","3","1","6","7","1") = "6"
    & skf18("7","4","3","1","6","8","1") = "7"
    & skf18("7","4","3","1","6","9","1") = "8"
    & skf18("7","4","3","1","6","10","1") = "9"
    & skf18("7","4","3","1","7","1","1") = "6"
    & skf18("7","4","3","1","7","2","1") = "6"
    & skf18("7","4","3","1","7","3","1") = "6"
    & skf18("7","4","3","1","7","4","1") = "6"
    & skf18("7","4","3","1","7","5","1") = "6"
    & skf18("7","4","3","1","7","6","1") = "6"
    & skf18("7","4","3","1","7","7","1") = "6"
    & skf18("7","4","3","1","7","8","1") = "7"
    & skf18("7","4","3","1","7","9","1") = "8"
    & skf18("7","4","3","1","7","10","1") = "9"
    & skf18("7","4","3","1","8","1","1") = "7"
    & skf18("7","4","3","1","8","2","1") = "7"
    & skf18("7","4","3","1","8","3","1") = "7"
    & skf18("7","4","3","1","8","4","1") = "7"
    & skf18("7","4","3","1","8","5","1") = "7"
    & skf18("7","4","3","1","8","6","1") = "7"
    & skf18("7","4","3","1","8","7","1") = "7"
    & skf18("7","4","3","1","8","8","1") = "7"
    & skf18("7","4","3","1","8","9","1") = "8"
    & skf18("7","4","3","1","8","10","1") = "9"
    & skf18("7","4","3","1","9","1","1") = "8"
    & skf18("7","4","3","1","9","2","1") = "8"
    & skf18("7","4","3","1","9","3","1") = "8"
    & skf18("7","4","3","1","9","4","1") = "8"
    & skf18("7","4","3","1","9","5","1") = "8"
    & skf18("7","4","3","1","9","6","1") = "8"
    & skf18("7","4","3","1","9","7","1") = "8"
    & skf18("7","4","3","1","9","8","1") = "8"
    & skf18("7","4","3","1","9","9","1") = "8"
    & skf18("7","4","3","1","9","10","1") = "9"
    & skf18("7","4","3","1","10","1","1") = "9"
    & skf18("7","4","3","1","10","2","1") = "9"
    & skf18("7","4","3","1","10","3","1") = "9"
    & skf18("7","4","3","1","10","4","1") = "9"
    & skf18("7","4","3","1","10","5","1") = "9"
    & skf18("7","4","3","1","10","6","1") = "9"
    & skf18("7","4","3","1","10","7","1") = "9"
    & skf18("7","4","3","1","10","8","1") = "9"
    & skf18("7","4","3","1","10","9","1") = "9"
    & skf18("7","4","3","1","10","10","1") = "9"
    & skf18("7","4","3","2","1","1","1") = "6"
    & skf18("7","4","3","2","1","2","1") = "6"
    & skf18("7","4","3","2","1","3","1") = "6"
    & skf18("7","4","3","2","1","4","1") = "6"
    & skf18("7","4","3","2","1","5","1") = "6"
    & skf18("7","4","3","2","1","6","1") = "6"
    & skf18("7","4","3","2","1","7","1") = "6"
    & skf18("7","4","3","2","1","8","1") = "7"
    & skf18("7","4","3","2","1","9","1") = "8"
    & skf18("7","4","3","2","1","10","1") = "9"
    & skf18("7","4","3","2","2","1","1") = "6"
    & skf18("7","4","3","2","2","2","1") = "6"
    & skf18("7","4","3","2","2","3","1") = "6"
    & skf18("7","4","3","2","2","4","1") = "6"
    & skf18("7","4","3","2","2","5","1") = "6"
    & skf18("7","4","3","2","2","6","1") = "6"
    & skf18("7","4","3","2","2","7","1") = "6"
    & skf18("7","4","3","2","2","8","1") = "7"
    & skf18("7","4","3","2","2","9","1") = "8"
    & skf18("7","4","3","2","2","10","1") = "9"
    & skf18("7","4","3","2","3","1","1") = "6"
    & skf18("7","4","3","2","3","2","1") = "6"
    & skf18("7","4","3","2","3","3","1") = "6"
    & skf18("7","4","3","2","3","4","1") = "6"
    & skf18("7","4","3","2","3","5","1") = "6"
    & skf18("7","4","3","2","3","6","1") = "6"
    & skf18("7","4","3","2","3","7","1") = "6"
    & skf18("7","4","3","2","3","8","1") = "7"
    & skf18("7","4","3","2","3","9","1") = "8"
    & skf18("7","4","3","2","3","10","1") = "9"
    & skf18("7","4","3","2","4","1","1") = "6"
    & skf18("7","4","3","2","4","2","1") = "6"
    & skf18("7","4","3","2","4","3","1") = "6"
    & skf18("7","4","3","2","4","4","1") = "6"
    & skf18("7","4","3","2","4","5","1") = "6"
    & skf18("7","4","3","2","4","6","1") = "6"
    & skf18("7","4","3","2","4","7","1") = "6"
    & skf18("7","4","3","2","4","8","1") = "7"
    & skf18("7","4","3","2","4","9","1") = "8"
    & skf18("7","4","3","2","4","10","1") = "9"
    & skf18("7","4","3","2","5","1","1") = "6"
    & skf18("7","4","3","2","5","2","1") = "6"
    & skf18("7","4","3","2","5","3","1") = "6"
    & skf18("7","4","3","2","5","4","1") = "6"
    & skf18("7","4","3","2","5","5","1") = "6"
    & skf18("7","4","3","2","5","6","1") = "6"
    & skf18("7","4","3","2","5","7","1") = "6"
    & skf18("7","4","3","2","5","8","1") = "7"
    & skf18("7","4","3","2","5","9","1") = "8"
    & skf18("7","4","3","2","5","10","1") = "9"
    & skf18("7","4","3","2","6","1","1") = "6"
    & skf18("7","4","3","2","6","2","1") = "6"
    & skf18("7","4","3","2","6","3","1") = "6"
    & skf18("7","4","3","2","6","4","1") = "6"
    & skf18("7","4","3","2","6","5","1") = "6"
    & skf18("7","4","3","2","6","6","1") = "6"
    & skf18("7","4","3","2","6","7","1") = "6"
    & skf18("7","4","3","2","6","8","1") = "7"
    & skf18("7","4","3","2","6","9","1") = "8"
    & skf18("7","4","3","2","6","10","1") = "9"
    & skf18("7","4","3","2","7","1","1") = "6"
    & skf18("7","4","3","2","7","2","1") = "6"
    & skf18("7","4","3","2","7","3","1") = "6"
    & skf18("7","4","3","2","7","4","1") = "6"
    & skf18("7","4","3","2","7","5","1") = "6"
    & skf18("7","4","3","2","7","6","1") = "6"
    & skf18("7","4","3","2","7","7","1") = "6"
    & skf18("7","4","3","2","7","8","1") = "7"
    & skf18("7","4","3","2","7","9","1") = "8"
    & skf18("7","4","3","2","7","10","1") = "9"
    & skf18("7","4","3","2","8","1","1") = "7"
    & skf18("7","4","3","2","8","2","1") = "7"
    & skf18("7","4","3","2","8","3","1") = "7"
    & skf18("7","4","3","2","8","4","1") = "7"
    & skf18("7","4","3","2","8","5","1") = "7"
    & skf18("7","4","3","2","8","6","1") = "7"
    & skf18("7","4","3","2","8","7","1") = "7"
    & skf18("7","4","3","2","8","8","1") = "7"
    & skf18("7","4","3","2","8","9","1") = "8"
    & skf18("7","4","3","2","8","10","1") = "9"
    & skf18("7","4","3","2","9","1","1") = "8"
    & skf18("7","4","3","2","9","2","1") = "8"
    & skf18("7","4","3","2","9","3","1") = "8"
    & skf18("7","4","3","2","9","4","1") = "8"
    & skf18("7","4","3","2","9","5","1") = "8"
    & skf18("7","4","3","2","9","6","1") = "8"
    & skf18("7","4","3","2","9","7","1") = "8"
    & skf18("7","4","3","2","9","8","1") = "8"
    & skf18("7","4","3","2","9","9","1") = "8"
    & skf18("7","4","3","2","9","10","1") = "9"
    & skf18("7","4","3","2","10","1","1") = "9"
    & skf18("7","4","3","2","10","2","1") = "9"
    & skf18("7","4","3","2","10","3","1") = "9"
    & skf18("7","4","3","2","10","4","1") = "9"
    & skf18("7","4","3","2","10","5","1") = "9"
    & skf18("7","4","3","2","10","6","1") = "9"
    & skf18("7","4","3","2","10","7","1") = "9"
    & skf18("7","4","3","2","10","8","1") = "9"
    & skf18("7","4","3","2","10","9","1") = "9"
    & skf18("7","4","3","2","10","10","1") = "9"
    & skf18("7","4","3","3","1","1","1") = "6"
    & skf18("7","4","3","3","1","2","1") = "6"
    & skf18("7","4","3","3","1","3","1") = "6"
    & skf18("7","4","3","3","1","4","1") = "6"
    & skf18("7","4","3","3","1","5","1") = "6"
    & skf18("7","4","3","3","1","6","1") = "6"
    & skf18("7","4","3","3","1","7","1") = "6"
    & skf18("7","4","3","3","1","8","1") = "7"
    & skf18("7","4","3","3","1","9","1") = "8"
    & skf18("7","4","3","3","1","10","1") = "9"
    & skf18("7","4","3","3","2","1","1") = "6"
    & skf18("7","4","3","3","2","2","1") = "6"
    & skf18("7","4","3","3","2","3","1") = "6"
    & skf18("7","4","3","3","2","4","1") = "6"
    & skf18("7","4","3","3","2","5","1") = "6"
    & skf18("7","4","3","3","2","6","1") = "6"
    & skf18("7","4","3","3","2","7","1") = "6"
    & skf18("7","4","3","3","2","8","1") = "7"
    & skf18("7","4","3","3","2","9","1") = "8"
    & skf18("7","4","3","3","2","10","1") = "9"
    & skf18("7","4","3","3","3","1","1") = "6"
    & skf18("7","4","3","3","3","2","1") = "6"
    & skf18("7","4","3","3","3","3","1") = "6"
    & skf18("7","4","3","3","3","4","1") = "6"
    & skf18("7","4","3","3","3","5","1") = "6"
    & skf18("7","4","3","3","3","6","1") = "6"
    & skf18("7","4","3","3","3","7","1") = "6"
    & skf18("7","4","3","3","3","8","1") = "7"
    & skf18("7","4","3","3","3","9","1") = "8"
    & skf18("7","4","3","3","3","10","1") = "9"
    & skf18("7","4","3","3","4","1","1") = "6"
    & skf18("7","4","3","3","4","2","1") = "6"
    & skf18("7","4","3","3","4","3","1") = "6"
    & skf18("7","4","3","3","4","4","1") = "6"
    & skf18("7","4","3","3","4","5","1") = "6"
    & skf18("7","4","3","3","4","6","1") = "6"
    & skf18("7","4","3","3","4","7","1") = "6"
    & skf18("7","4","3","3","4","8","1") = "7"
    & skf18("7","4","3","3","4","9","1") = "8"
    & skf18("7","4","3","3","4","10","1") = "9"
    & skf18("7","4","3","3","5","1","1") = "6"
    & skf18("7","4","3","3","5","2","1") = "6"
    & skf18("7","4","3","3","5","3","1") = "6"
    & skf18("7","4","3","3","5","4","1") = "6"
    & skf18("7","4","3","3","5","5","1") = "6"
    & skf18("7","4","3","3","5","6","1") = "6"
    & skf18("7","4","3","3","5","7","1") = "6"
    & skf18("7","4","3","3","5","8","1") = "7"
    & skf18("7","4","3","3","5","9","1") = "8"
    & skf18("7","4","3","3","5","10","1") = "9"
    & skf18("7","4","3","3","6","1","1") = "6"
    & skf18("7","4","3","3","6","2","1") = "6"
    & skf18("7","4","3","3","6","3","1") = "6"
    & skf18("7","4","3","3","6","4","1") = "6"
    & skf18("7","4","3","3","6","5","1") = "6"
    & skf18("7","4","3","3","6","6","1") = "6"
    & skf18("7","4","3","3","6","7","1") = "6"
    & skf18("7","4","3","3","6","8","1") = "7"
    & skf18("7","4","3","3","6","9","1") = "8"
    & skf18("7","4","3","3","6","10","1") = "9"
    & skf18("7","4","3","3","7","1","1") = "6"
    & skf18("7","4","3","3","7","2","1") = "6"
    & skf18("7","4","3","3","7","3","1") = "6"
    & skf18("7","4","3","3","7","4","1") = "6"
    & skf18("7","4","3","3","7","5","1") = "6"
    & skf18("7","4","3","3","7","6","1") = "6"
    & skf18("7","4","3","3","7","7","1") = "6"
    & skf18("7","4","3","3","7","8","1") = "7"
    & skf18("7","4","3","3","7","9","1") = "8"
    & skf18("7","4","3","3","7","10","1") = "9"
    & skf18("7","4","3","3","8","1","1") = "7"
    & skf18("7","4","3","3","8","2","1") = "7"
    & skf18("7","4","3","3","8","3","1") = "7"
    & skf18("7","4","3","3","8","4","1") = "7"
    & skf18("7","4","3","3","8","5","1") = "7"
    & skf18("7","4","3","3","8","6","1") = "7"
    & skf18("7","4","3","3","8","7","1") = "7"
    & skf18("7","4","3","3","8","8","1") = "7"
    & skf18("7","4","3","3","8","9","1") = "8"
    & skf18("7","4","3","3","8","10","1") = "9"
    & skf18("7","4","3","3","9","1","1") = "8"
    & skf18("7","4","3","3","9","2","1") = "8"
    & skf18("7","4","3","3","9","3","1") = "8"
    & skf18("7","4","3","3","9","4","1") = "8"
    & skf18("7","4","3","3","9","5","1") = "8"
    & skf18("7","4","3","3","9","6","1") = "8"
    & skf18("7","4","3","3","9","7","1") = "8"
    & skf18("7","4","3","3","9","8","1") = "8"
    & skf18("7","4","3","3","9","9","1") = "8"
    & skf18("7","4","3","3","9","10","1") = "9"
    & skf18("7","4","3","3","10","1","1") = "9"
    & skf18("7","4","3","3","10","2","1") = "9"
    & skf18("7","4","3","3","10","3","1") = "9"
    & skf18("7","4","3","3","10","4","1") = "9"
    & skf18("7","4","3","3","10","5","1") = "9"
    & skf18("7","4","3","3","10","6","1") = "9"
    & skf18("7","4","3","3","10","7","1") = "9"
    & skf18("7","4","3","3","10","8","1") = "9"
    & skf18("7","4","3","3","10","9","1") = "9"
    & skf18("7","4","3","3","10","10","1") = "9"
    & skf18("7","4","3","4","1","1","1") = "6"
    & skf18("7","4","3","4","1","2","1") = "6"
    & skf18("7","4","3","4","1","3","1") = "6"
    & skf18("7","4","3","4","1","4","1") = "6"
    & skf18("7","4","3","4","1","5","1") = "6"
    & skf18("7","4","3","4","1","6","1") = "6"
    & skf18("7","4","3","4","1","7","1") = "6"
    & skf18("7","4","3","4","1","8","1") = "7"
    & skf18("7","4","3","4","1","9","1") = "8"
    & skf18("7","4","3","4","1","10","1") = "9"
    & skf18("7","4","3","4","2","1","1") = "6"
    & skf18("7","4","3","4","2","2","1") = "6"
    & skf18("7","4","3","4","2","3","1") = "6"
    & skf18("7","4","3","4","2","4","1") = "6"
    & skf18("7","4","3","4","2","5","1") = "6"
    & skf18("7","4","3","4","2","6","1") = "6"
    & skf18("7","4","3","4","2","7","1") = "6"
    & skf18("7","4","3","4","2","8","1") = "7"
    & skf18("7","4","3","4","2","9","1") = "8"
    & skf18("7","4","3","4","2","10","1") = "9"
    & skf18("7","4","3","4","3","1","1") = "6"
    & skf18("7","4","3","4","3","2","1") = "6"
    & skf18("7","4","3","4","3","3","1") = "6"
    & skf18("7","4","3","4","3","4","1") = "6"
    & skf18("7","4","3","4","3","5","1") = "6"
    & skf18("7","4","3","4","3","6","1") = "6"
    & skf18("7","4","3","4","3","7","1") = "6"
    & skf18("7","4","3","4","3","8","1") = "7"
    & skf18("7","4","3","4","3","9","1") = "8"
    & skf18("7","4","3","4","3","10","1") = "9"
    & skf18("7","4","3","4","4","1","1") = "6"
    & skf18("7","4","3","4","4","2","1") = "6"
    & skf18("7","4","3","4","4","3","1") = "6"
    & skf18("7","4","3","4","4","4","1") = "6"
    & skf18("7","4","3","4","4","5","1") = "6"
    & skf18("7","4","3","4","4","6","1") = "6"
    & skf18("7","4","3","4","4","7","1") = "6"
    & skf18("7","4","3","4","4","8","1") = "7"
    & skf18("7","4","3","4","4","9","1") = "8"
    & skf18("7","4","3","4","4","10","1") = "9"
    & skf18("7","4","3","4","5","1","1") = "6"
    & skf18("7","4","3","4","5","2","1") = "6"
    & skf18("7","4","3","4","5","3","1") = "6"
    & skf18("7","4","3","4","5","4","1") = "6"
    & skf18("7","4","3","4","5","5","1") = "6"
    & skf18("7","4","3","4","5","6","1") = "6"
    & skf18("7","4","3","4","5","7","1") = "6"
    & skf18("7","4","3","4","5","8","1") = "7"
    & skf18("7","4","3","4","5","9","1") = "8"
    & skf18("7","4","3","4","5","10","1") = "9"
    & skf18("7","4","3","4","6","1","1") = "6"
    & skf18("7","4","3","4","6","2","1") = "6"
    & skf18("7","4","3","4","6","3","1") = "6"
    & skf18("7","4","3","4","6","4","1") = "6"
    & skf18("7","4","3","4","6","5","1") = "6"
    & skf18("7","4","3","4","6","6","1") = "6"
    & skf18("7","4","3","4","6","7","1") = "6"
    & skf18("7","4","3","4","6","8","1") = "7"
    & skf18("7","4","3","4","6","9","1") = "8"
    & skf18("7","4","3","4","6","10","1") = "9"
    & skf18("7","4","3","4","7","1","1") = "6"
    & skf18("7","4","3","4","7","2","1") = "6"
    & skf18("7","4","3","4","7","3","1") = "6"
    & skf18("7","4","3","4","7","4","1") = "6"
    & skf18("7","4","3","4","7","5","1") = "6"
    & skf18("7","4","3","4","7","6","1") = "6"
    & skf18("7","4","3","4","7","7","1") = "6"
    & skf18("7","4","3","4","7","8","1") = "7"
    & skf18("7","4","3","4","7","9","1") = "8"
    & skf18("7","4","3","4","7","10","1") = "9"
    & skf18("7","4","3","4","8","1","1") = "7"
    & skf18("7","4","3","4","8","2","1") = "7"
    & skf18("7","4","3","4","8","3","1") = "7"
    & skf18("7","4","3","4","8","4","1") = "7"
    & skf18("7","4","3","4","8","5","1") = "7"
    & skf18("7","4","3","4","8","6","1") = "7"
    & skf18("7","4","3","4","8","7","1") = "7"
    & skf18("7","4","3","4","8","8","1") = "7"
    & skf18("7","4","3","4","8","9","1") = "8"
    & skf18("7","4","3","4","8","10","1") = "9"
    & skf18("7","4","3","4","9","1","1") = "8"
    & skf18("7","4","3","4","9","2","1") = "8"
    & skf18("7","4","3","4","9","3","1") = "8"
    & skf18("7","4","3","4","9","4","1") = "8"
    & skf18("7","4","3","4","9","5","1") = "8"
    & skf18("7","4","3","4","9","6","1") = "8"
    & skf18("7","4","3","4","9","7","1") = "8"
    & skf18("7","4","3","4","9","8","1") = "8"
    & skf18("7","4","3","4","9","9","1") = "8"
    & skf18("7","4","3","4","9","10","1") = "9"
    & skf18("7","4","3","4","10","1","1") = "9"
    & skf18("7","4","3","4","10","2","1") = "9"
    & skf18("7","4","3","4","10","3","1") = "9"
    & skf18("7","4","3","4","10","4","1") = "9"
    & skf18("7","4","3","4","10","5","1") = "9"
    & skf18("7","4","3","4","10","6","1") = "9"
    & skf18("7","4","3","4","10","7","1") = "9"
    & skf18("7","4","3","4","10","8","1") = "9"
    & skf18("7","4","3","4","10","9","1") = "9"
    & skf18("7","4","3","4","10","10","1") = "9"
    & skf18("7","4","3","5","1","1","1") = "6"
    & skf18("7","4","3","5","1","2","1") = "6"
    & skf18("7","4","3","5","1","3","1") = "6"
    & skf18("7","4","3","5","1","4","1") = "6"
    & skf18("7","4","3","5","1","5","1") = "6"
    & skf18("7","4","3","5","1","6","1") = "6"
    & skf18("7","4","3","5","1","7","1") = "6"
    & skf18("7","4","3","5","1","8","1") = "7"
    & skf18("7","4","3","5","1","9","1") = "8"
    & skf18("7","4","3","5","1","10","1") = "9"
    & skf18("7","4","3","5","2","1","1") = "6"
    & skf18("7","4","3","5","2","2","1") = "6"
    & skf18("7","4","3","5","2","3","1") = "6"
    & skf18("7","4","3","5","2","4","1") = "6"
    & skf18("7","4","3","5","2","5","1") = "6"
    & skf18("7","4","3","5","2","6","1") = "6"
    & skf18("7","4","3","5","2","7","1") = "6"
    & skf18("7","4","3","5","2","8","1") = "7"
    & skf18("7","4","3","5","2","9","1") = "8"
    & skf18("7","4","3","5","2","10","1") = "9"
    & skf18("7","4","3","5","3","1","1") = "6"
    & skf18("7","4","3","5","3","2","1") = "6"
    & skf18("7","4","3","5","3","3","1") = "6"
    & skf18("7","4","3","5","3","4","1") = "6"
    & skf18("7","4","3","5","3","5","1") = "6"
    & skf18("7","4","3","5","3","6","1") = "6"
    & skf18("7","4","3","5","3","7","1") = "6"
    & skf18("7","4","3","5","3","8","1") = "7"
    & skf18("7","4","3","5","3","9","1") = "8"
    & skf18("7","4","3","5","3","10","1") = "9"
    & skf18("7","4","3","5","4","1","1") = "6"
    & skf18("7","4","3","5","4","2","1") = "6"
    & skf18("7","4","3","5","4","3","1") = "6"
    & skf18("7","4","3","5","4","4","1") = "6"
    & skf18("7","4","3","5","4","5","1") = "6"
    & skf18("7","4","3","5","4","6","1") = "6"
    & skf18("7","4","3","5","4","7","1") = "6"
    & skf18("7","4","3","5","4","8","1") = "7"
    & skf18("7","4","3","5","4","9","1") = "8"
    & skf18("7","4","3","5","4","10","1") = "9"
    & skf18("7","4","3","5","5","1","1") = "6"
    & skf18("7","4","3","5","5","2","1") = "6"
    & skf18("7","4","3","5","5","3","1") = "6"
    & skf18("7","4","3","5","5","4","1") = "6"
    & skf18("7","4","3","5","5","5","1") = "6"
    & skf18("7","4","3","5","5","6","1") = "6"
    & skf18("7","4","3","5","5","7","1") = "6"
    & skf18("7","4","3","5","5","8","1") = "7"
    & skf18("7","4","3","5","5","9","1") = "8"
    & skf18("7","4","3","5","5","10","1") = "9"
    & skf18("7","4","3","5","6","1","1") = "6"
    & skf18("7","4","3","5","6","2","1") = "6"
    & skf18("7","4","3","5","6","3","1") = "6"
    & skf18("7","4","3","5","6","4","1") = "6"
    & skf18("7","4","3","5","6","5","1") = "6"
    & skf18("7","4","3","5","6","6","1") = "6"
    & skf18("7","4","3","5","6","7","1") = "6"
    & skf18("7","4","3","5","6","8","1") = "7"
    & skf18("7","4","3","5","6","9","1") = "8"
    & skf18("7","4","3","5","6","10","1") = "9"
    & skf18("7","4","3","5","7","1","1") = "6"
    & skf18("7","4","3","5","7","2","1") = "6"
    & skf18("7","4","3","5","7","3","1") = "6"
    & skf18("7","4","3","5","7","4","1") = "6"
    & skf18("7","4","3","5","7","5","1") = "6"
    & skf18("7","4","3","5","7","6","1") = "6"
    & skf18("7","4","3","5","7","7","1") = "6"
    & skf18("7","4","3","5","7","8","1") = "7"
    & skf18("7","4","3","5","7","9","1") = "8"
    & skf18("7","4","3","5","7","10","1") = "9"
    & skf18("7","4","3","5","8","1","1") = "7"
    & skf18("7","4","3","5","8","2","1") = "7"
    & skf18("7","4","3","5","8","3","1") = "7"
    & skf18("7","4","3","5","8","4","1") = "7"
    & skf18("7","4","3","5","8","5","1") = "7"
    & skf18("7","4","3","5","8","6","1") = "7"
    & skf18("7","4","3","5","8","7","1") = "7"
    & skf18("7","4","3","5","8","8","1") = "7"
    & skf18("7","4","3","5","8","9","1") = "8"
    & skf18("7","4","3","5","8","10","1") = "9"
    & skf18("7","4","3","5","9","1","1") = "8"
    & skf18("7","4","3","5","9","2","1") = "8"
    & skf18("7","4","3","5","9","3","1") = "8"
    & skf18("7","4","3","5","9","4","1") = "8"
    & skf18("7","4","3","5","9","5","1") = "8"
    & skf18("7","4","3","5","9","6","1") = "8"
    & skf18("7","4","3","5","9","7","1") = "8"
    & skf18("7","4","3","5","9","8","1") = "8"
    & skf18("7","4","3","5","9","9","1") = "8"
    & skf18("7","4","3","5","9","10","1") = "9"
    & skf18("7","4","3","5","10","1","1") = "9"
    & skf18("7","4","3","5","10","2","1") = "9"
    & skf18("7","4","3","5","10","3","1") = "9"
    & skf18("7","4","3","5","10","4","1") = "9"
    & skf18("7","4","3","5","10","5","1") = "9"
    & skf18("7","4","3","5","10","6","1") = "9"
    & skf18("7","4","3","5","10","7","1") = "9"
    & skf18("7","4","3","5","10","8","1") = "9"
    & skf18("7","4","3","5","10","9","1") = "9"
    & skf18("7","4","3","5","10","10","1") = "9"
    & skf18("7","4","3","6","1","1","1") = "6"
    & skf18("7","4","3","6","1","2","1") = "6"
    & skf18("7","4","3","6","1","3","1") = "6"
    & skf18("7","4","3","6","1","4","1") = "6"
    & skf18("7","4","3","6","1","5","1") = "6"
    & skf18("7","4","3","6","1","6","1") = "6"
    & skf18("7","4","3","6","1","7","1") = "6"
    & skf18("7","4","3","6","1","8","1") = "7"
    & skf18("7","4","3","6","1","9","1") = "8"
    & skf18("7","4","3","6","1","10","1") = "9"
    & skf18("7","4","3","6","2","1","1") = "6"
    & skf18("7","4","3","6","2","2","1") = "6"
    & skf18("7","4","3","6","2","3","1") = "6"
    & skf18("7","4","3","6","2","4","1") = "6"
    & skf18("7","4","3","6","2","5","1") = "6"
    & skf18("7","4","3","6","2","6","1") = "6"
    & skf18("7","4","3","6","2","7","1") = "6"
    & skf18("7","4","3","6","2","8","1") = "7"
    & skf18("7","4","3","6","2","9","1") = "8"
    & skf18("7","4","3","6","2","10","1") = "9"
    & skf18("7","4","3","6","3","1","1") = "6"
    & skf18("7","4","3","6","3","2","1") = "6"
    & skf18("7","4","3","6","3","3","1") = "6"
    & skf18("7","4","3","6","3","4","1") = "6"
    & skf18("7","4","3","6","3","5","1") = "6"
    & skf18("7","4","3","6","3","6","1") = "6"
    & skf18("7","4","3","6","3","7","1") = "6"
    & skf18("7","4","3","6","3","8","1") = "7"
    & skf18("7","4","3","6","3","9","1") = "8"
    & skf18("7","4","3","6","3","10","1") = "9"
    & skf18("7","4","3","6","4","1","1") = "6"
    & skf18("7","4","3","6","4","2","1") = "6"
    & skf18("7","4","3","6","4","3","1") = "6"
    & skf18("7","4","3","6","4","4","1") = "6"
    & skf18("7","4","3","6","4","5","1") = "6"
    & skf18("7","4","3","6","4","6","1") = "6"
    & skf18("7","4","3","6","4","7","1") = "6"
    & skf18("7","4","3","6","4","8","1") = "7"
    & skf18("7","4","3","6","4","9","1") = "8"
    & skf18("7","4","3","6","4","10","1") = "9"
    & skf18("7","4","3","6","5","1","1") = "6"
    & skf18("7","4","3","6","5","2","1") = "6"
    & skf18("7","4","3","6","5","3","1") = "6"
    & skf18("7","4","3","6","5","4","1") = "6"
    & skf18("7","4","3","6","5","5","1") = "6"
    & skf18("7","4","3","6","5","6","1") = "6"
    & skf18("7","4","3","6","5","7","1") = "6"
    & skf18("7","4","3","6","5","8","1") = "7"
    & skf18("7","4","3","6","5","9","1") = "8"
    & skf18("7","4","3","6","5","10","1") = "9"
    & skf18("7","4","3","6","6","1","1") = "6"
    & skf18("7","4","3","6","6","2","1") = "6"
    & skf18("7","4","3","6","6","3","1") = "6"
    & skf18("7","4","3","6","6","4","1") = "6"
    & skf18("7","4","3","6","6","5","1") = "6"
    & skf18("7","4","3","6","6","6","1") = "6"
    & skf18("7","4","3","6","6","7","1") = "6"
    & skf18("7","4","3","6","6","8","1") = "7"
    & skf18("7","4","3","6","6","9","1") = "8"
    & skf18("7","4","3","6","6","10","1") = "9"
    & skf18("7","4","3","6","7","1","1") = "6"
    & skf18("7","4","3","6","7","2","1") = "6"
    & skf18("7","4","3","6","7","3","1") = "6"
    & skf18("7","4","3","6","7","4","1") = "6"
    & skf18("7","4","3","6","7","5","1") = "6"
    & skf18("7","4","3","6","7","6","1") = "6"
    & skf18("7","4","3","6","7","7","1") = "6"
    & skf18("7","4","3","6","7","8","1") = "7"
    & skf18("7","4","3","6","7","9","1") = "8"
    & skf18("7","4","3","6","7","10","1") = "9"
    & skf18("7","4","3","6","8","1","1") = "7"
    & skf18("7","4","3","6","8","2","1") = "7"
    & skf18("7","4","3","6","8","3","1") = "7"
    & skf18("7","4","3","6","8","4","1") = "7"
    & skf18("7","4","3","6","8","5","1") = "7"
    & skf18("7","4","3","6","8","6","1") = "7"
    & skf18("7","4","3","6","8","7","1") = "7"
    & skf18("7","4","3","6","8","8","1") = "7"
    & skf18("7","4","3","6","8","9","1") = "8"
    & skf18("7","4","3","6","8","10","1") = "9"
    & skf18("7","4","3","6","9","1","1") = "8"
    & skf18("7","4","3","6","9","2","1") = "8"
    & skf18("7","4","3","6","9","3","1") = "8"
    & skf18("7","4","3","6","9","4","1") = "8"
    & skf18("7","4","3","6","9","5","1") = "8"
    & skf18("7","4","3","6","9","6","1") = "8"
    & skf18("7","4","3","6","9","7","1") = "8"
    & skf18("7","4","3","6","9","8","1") = "8"
    & skf18("7","4","3","6","9","9","1") = "8"
    & skf18("7","4","3","6","9","10","1") = "9"
    & skf18("7","4","3","6","10","1","1") = "9"
    & skf18("7","4","3","6","10","2","1") = "9"
    & skf18("7","4","3","6","10","3","1") = "9"
    & skf18("7","4","3","6","10","4","1") = "9"
    & skf18("7","4","3","6","10","5","1") = "9"
    & skf18("7","4","3","6","10","6","1") = "9"
    & skf18("7","4","3","6","10","7","1") = "9"
    & skf18("7","4","3","6","10","8","1") = "9"
    & skf18("7","4","3","6","10","9","1") = "9"
    & skf18("7","4","3","6","10","10","1") = "9"
    & skf18("7","4","3","7","1","1","1") = "6"
    & skf18("7","4","3","7","1","2","1") = "6"
    & skf18("7","4","3","7","1","3","1") = "6"
    & skf18("7","4","3","7","1","4","1") = "6"
    & skf18("7","4","3","7","1","5","1") = "6"
    & skf18("7","4","3","7","1","6","1") = "6"
    & skf18("7","4","3","7","1","7","1") = "6"
    & skf18("7","4","3","7","1","8","1") = "7"
    & skf18("7","4","3","7","1","9","1") = "8"
    & skf18("7","4","3","7","1","10","1") = "9"
    & skf18("7","4","3","7","2","1","1") = "6"
    & skf18("7","4","3","7","2","2","1") = "6"
    & skf18("7","4","3","7","2","3","1") = "6"
    & skf18("7","4","3","7","2","4","1") = "6"
    & skf18("7","4","3","7","2","5","1") = "6"
    & skf18("7","4","3","7","2","6","1") = "6"
    & skf18("7","4","3","7","2","7","1") = "6"
    & skf18("7","4","3","7","2","8","1") = "7"
    & skf18("7","4","3","7","2","9","1") = "8"
    & skf18("7","4","3","7","2","10","1") = "9"
    & skf18("7","4","3","7","3","1","1") = "6"
    & skf18("7","4","3","7","3","2","1") = "6"
    & skf18("7","4","3","7","3","3","1") = "6"
    & skf18("7","4","3","7","3","4","1") = "6"
    & skf18("7","4","3","7","3","5","1") = "6"
    & skf18("7","4","3","7","3","6","1") = "6"
    & skf18("7","4","3","7","3","7","1") = "6"
    & skf18("7","4","3","7","3","8","1") = "7"
    & skf18("7","4","3","7","3","9","1") = "8"
    & skf18("7","4","3","7","3","10","1") = "9"
    & skf18("7","4","3","7","4","1","1") = "6"
    & skf18("7","4","3","7","4","2","1") = "6"
    & skf18("7","4","3","7","4","3","1") = "6"
    & skf18("7","4","3","7","4","4","1") = "6"
    & skf18("7","4","3","7","4","5","1") = "6"
    & skf18("7","4","3","7","4","6","1") = "6"
    & skf18("7","4","3","7","4","7","1") = "6"
    & skf18("7","4","3","7","4","8","1") = "7"
    & skf18("7","4","3","7","4","9","1") = "8"
    & skf18("7","4","3","7","4","10","1") = "9"
    & skf18("7","4","3","7","5","1","1") = "6"
    & skf18("7","4","3","7","5","2","1") = "6"
    & skf18("7","4","3","7","5","3","1") = "6"
    & skf18("7","4","3","7","5","4","1") = "6"
    & skf18("7","4","3","7","5","5","1") = "6"
    & skf18("7","4","3","7","5","6","1") = "6"
    & skf18("7","4","3","7","5","7","1") = "6"
    & skf18("7","4","3","7","5","8","1") = "7"
    & skf18("7","4","3","7","5","9","1") = "8"
    & skf18("7","4","3","7","5","10","1") = "9"
    & skf18("7","4","3","7","6","1","1") = "6"
    & skf18("7","4","3","7","6","2","1") = "6"
    & skf18("7","4","3","7","6","3","1") = "6"
    & skf18("7","4","3","7","6","4","1") = "6"
    & skf18("7","4","3","7","6","5","1") = "6"
    & skf18("7","4","3","7","6","6","1") = "6"
    & skf18("7","4","3","7","6","7","1") = "6"
    & skf18("7","4","3","7","6","8","1") = "7"
    & skf18("7","4","3","7","6","9","1") = "8"
    & skf18("7","4","3","7","6","10","1") = "9"
    & skf18("7","4","3","7","7","1","1") = "6"
    & skf18("7","4","3","7","7","2","1") = "6"
    & skf18("7","4","3","7","7","3","1") = "6"
    & skf18("7","4","3","7","7","4","1") = "6"
    & skf18("7","4","3","7","7","5","1") = "6"
    & skf18("7","4","3","7","7","6","1") = "6"
    & skf18("7","4","3","7","7","7","1") = "6"
    & skf18("7","4","3","7","7","8","1") = "7"
    & skf18("7","4","3","7","7","9","1") = "8"
    & skf18("7","4","3","7","7","10","1") = "9"
    & skf18("7","4","3","7","8","1","1") = "7"
    & skf18("7","4","3","7","8","2","1") = "7"
    & skf18("7","4","3","7","8","3","1") = "7"
    & skf18("7","4","3","7","8","4","1") = "7"
    & skf18("7","4","3","7","8","5","1") = "7"
    & skf18("7","4","3","7","8","6","1") = "7"
    & skf18("7","4","3","7","8","7","1") = "7"
    & skf18("7","4","3","7","8","8","1") = "7"
    & skf18("7","4","3","7","8","9","1") = "8"
    & skf18("7","4","3","7","8","10","1") = "9"
    & skf18("7","4","3","7","9","1","1") = "8"
    & skf18("7","4","3","7","9","2","1") = "8"
    & skf18("7","4","3","7","9","3","1") = "8"
    & skf18("7","4","3","7","9","4","1") = "8"
    & skf18("7","4","3","7","9","5","1") = "8"
    & skf18("7","4","3","7","9","6","1") = "8"
    & skf18("7","4","3","7","9","7","1") = "8"
    & skf18("7","4","3","7","9","8","1") = "8"
    & skf18("7","4","3","7","9","9","1") = "8"
    & skf18("7","4","3","7","9","10","1") = "9"
    & skf18("7","4","3","7","10","1","1") = "9"
    & skf18("7","4","3","7","10","2","1") = "9"
    & skf18("7","4","3","7","10","3","1") = "9"
    & skf18("7","4","3","7","10","4","1") = "9"
    & skf18("7","4","3","7","10","5","1") = "9"
    & skf18("7","4","3","7","10","6","1") = "9"
    & skf18("7","4","3","7","10","7","1") = "9"
    & skf18("7","4","3","7","10","8","1") = "9"
    & skf18("7","4","3","7","10","9","1") = "9"
    & skf18("7","4","3","7","10","10","1") = "9"
    & skf18("7","4","3","8","1","1","1") = "7"
    & skf18("7","4","3","8","1","2","1") = "7"
    & skf18("7","4","3","8","1","3","1") = "7"
    & skf18("7","4","3","8","1","4","1") = "7"
    & skf18("7","4","3","8","1","5","1") = "7"
    & skf18("7","4","3","8","1","6","1") = "7"
    & skf18("7","4","3","8","1","7","1") = "7"
    & skf18("7","4","3","8","1","8","1") = "7"
    & skf18("7","4","3","8","1","9","1") = "8"
    & skf18("7","4","3","8","1","10","1") = "9"
    & skf18("7","4","3","8","2","1","1") = "7"
    & skf18("7","4","3","8","2","2","1") = "7"
    & skf18("7","4","3","8","2","3","1") = "7"
    & skf18("7","4","3","8","2","4","1") = "7"
    & skf18("7","4","3","8","2","5","1") = "7"
    & skf18("7","4","3","8","2","6","1") = "7"
    & skf18("7","4","3","8","2","7","1") = "7"
    & skf18("7","4","3","8","2","8","1") = "7"
    & skf18("7","4","3","8","2","9","1") = "8"
    & skf18("7","4","3","8","2","10","1") = "9"
    & skf18("7","4","3","8","3","1","1") = "7"
    & skf18("7","4","3","8","3","2","1") = "7"
    & skf18("7","4","3","8","3","3","1") = "7"
    & skf18("7","4","3","8","3","4","1") = "7"
    & skf18("7","4","3","8","3","5","1") = "7"
    & skf18("7","4","3","8","3","6","1") = "7"
    & skf18("7","4","3","8","3","7","1") = "7"
    & skf18("7","4","3","8","3","8","1") = "7"
    & skf18("7","4","3","8","3","9","1") = "8"
    & skf18("7","4","3","8","3","10","1") = "9"
    & skf18("7","4","3","8","4","1","1") = "7"
    & skf18("7","4","3","8","4","2","1") = "7"
    & skf18("7","4","3","8","4","3","1") = "7"
    & skf18("7","4","3","8","4","4","1") = "7"
    & skf18("7","4","3","8","4","5","1") = "7"
    & skf18("7","4","3","8","4","6","1") = "7"
    & skf18("7","4","3","8","4","7","1") = "7"
    & skf18("7","4","3","8","4","8","1") = "7"
    & skf18("7","4","3","8","4","9","1") = "8"
    & skf18("7","4","3","8","4","10","1") = "9"
    & skf18("7","4","3","8","5","1","1") = "7"
    & skf18("7","4","3","8","5","2","1") = "7"
    & skf18("7","4","3","8","5","3","1") = "7"
    & skf18("7","4","3","8","5","4","1") = "7"
    & skf18("7","4","3","8","5","5","1") = "7"
    & skf18("7","4","3","8","5","6","1") = "7"
    & skf18("7","4","3","8","5","7","1") = "7"
    & skf18("7","4","3","8","5","8","1") = "7"
    & skf18("7","4","3","8","5","9","1") = "8"
    & skf18("7","4","3","8","5","10","1") = "9"
    & skf18("7","4","3","8","6","1","1") = "7"
    & skf18("7","4","3","8","6","2","1") = "7"
    & skf18("7","4","3","8","6","3","1") = "7"
    & skf18("7","4","3","8","6","4","1") = "7"
    & skf18("7","4","3","8","6","5","1") = "7"
    & skf18("7","4","3","8","6","6","1") = "7"
    & skf18("7","4","3","8","6","7","1") = "7"
    & skf18("7","4","3","8","6","8","1") = "7"
    & skf18("7","4","3","8","6","9","1") = "8"
    & skf18("7","4","3","8","6","10","1") = "9"
    & skf18("7","4","3","8","7","1","1") = "7"
    & skf18("7","4","3","8","7","2","1") = "7"
    & skf18("7","4","3","8","7","3","1") = "7"
    & skf18("7","4","3","8","7","4","1") = "7"
    & skf18("7","4","3","8","7","5","1") = "7"
    & skf18("7","4","3","8","7","6","1") = "7"
    & skf18("7","4","3","8","7","7","1") = "7"
    & skf18("7","4","3","8","7","8","1") = "7"
    & skf18("7","4","3","8","7","9","1") = "8"
    & skf18("7","4","3","8","7","10","1") = "9"
    & skf18("7","4","3","8","8","1","1") = "7"
    & skf18("7","4","3","8","8","2","1") = "7"
    & skf18("7","4","3","8","8","3","1") = "7"
    & skf18("7","4","3","8","8","4","1") = "7"
    & skf18("7","4","3","8","8","5","1") = "7"
    & skf18("7","4","3","8","8","6","1") = "7"
    & skf18("7","4","3","8","8","7","1") = "7"
    & skf18("7","4","3","8","8","8","1") = "7"
    & skf18("7","4","3","8","8","9","1") = "8"
    & skf18("7","4","3","8","8","10","1") = "9"
    & skf18("7","4","3","8","9","1","1") = "8"
    & skf18("7","4","3","8","9","2","1") = "8"
    & skf18("7","4","3","8","9","3","1") = "8"
    & skf18("7","4","3","8","9","4","1") = "8"
    & skf18("7","4","3","8","9","5","1") = "8"
    & skf18("7","4","3","8","9","6","1") = "8"
    & skf18("7","4","3","8","9","7","1") = "8"
    & skf18("7","4","3","8","9","8","1") = "8"
    & skf18("7","4","3","8","9","9","1") = "8"
    & skf18("7","4","3","8","9","10","1") = "9"
    & skf18("7","4","3","8","10","1","1") = "9"
    & skf18("7","4","3","8","10","2","1") = "9"
    & skf18("7","4","3","8","10","3","1") = "9"
    & skf18("7","4","3","8","10","4","1") = "9"
    & skf18("7","4","3","8","10","5","1") = "9"
    & skf18("7","4","3","8","10","6","1") = "9"
    & skf18("7","4","3","8","10","7","1") = "9"
    & skf18("7","4","3","8","10","8","1") = "9"
    & skf18("7","4","3","8","10","9","1") = "9"
    & skf18("7","4","3","8","10","10","1") = "9"
    & skf18("7","4","3","9","1","1","1") = "8"
    & skf18("7","4","3","9","1","2","1") = "8"
    & skf18("7","4","3","9","1","3","1") = "8"
    & skf18("7","4","3","9","1","4","1") = "8"
    & skf18("7","4","3","9","1","5","1") = "8"
    & skf18("7","4","3","9","1","6","1") = "8"
    & skf18("7","4","3","9","1","7","1") = "8"
    & skf18("7","4","3","9","1","8","1") = "8"
    & skf18("7","4","3","9","1","9","1") = "8"
    & skf18("7","4","3","9","1","10","1") = "9"
    & skf18("7","4","3","9","2","1","1") = "8"
    & skf18("7","4","3","9","2","2","1") = "8"
    & skf18("7","4","3","9","2","3","1") = "8"
    & skf18("7","4","3","9","2","4","1") = "8"
    & skf18("7","4","3","9","2","5","1") = "8"
    & skf18("7","4","3","9","2","6","1") = "8"
    & skf18("7","4","3","9","2","7","1") = "8"
    & skf18("7","4","3","9","2","8","1") = "8"
    & skf18("7","4","3","9","2","9","1") = "8"
    & skf18("7","4","3","9","2","10","1") = "9"
    & skf18("7","4","3","9","3","1","1") = "8"
    & skf18("7","4","3","9","3","2","1") = "8"
    & skf18("7","4","3","9","3","3","1") = "8"
    & skf18("7","4","3","9","3","4","1") = "8"
    & skf18("7","4","3","9","3","5","1") = "8"
    & skf18("7","4","3","9","3","6","1") = "8"
    & skf18("7","4","3","9","3","7","1") = "8"
    & skf18("7","4","3","9","3","8","1") = "8"
    & skf18("7","4","3","9","3","9","1") = "8"
    & skf18("7","4","3","9","3","10","1") = "9"
    & skf18("7","4","3","9","4","1","1") = "8"
    & skf18("7","4","3","9","4","2","1") = "8"
    & skf18("7","4","3","9","4","3","1") = "8"
    & skf18("7","4","3","9","4","4","1") = "8"
    & skf18("7","4","3","9","4","5","1") = "8"
    & skf18("7","4","3","9","4","6","1") = "8"
    & skf18("7","4","3","9","4","7","1") = "8"
    & skf18("7","4","3","9","4","8","1") = "8"
    & skf18("7","4","3","9","4","9","1") = "8"
    & skf18("7","4","3","9","4","10","1") = "9"
    & skf18("7","4","3","9","5","1","1") = "8"
    & skf18("7","4","3","9","5","2","1") = "8"
    & skf18("7","4","3","9","5","3","1") = "8"
    & skf18("7","4","3","9","5","4","1") = "8"
    & skf18("7","4","3","9","5","5","1") = "8"
    & skf18("7","4","3","9","5","6","1") = "8"
    & skf18("7","4","3","9","5","7","1") = "8"
    & skf18("7","4","3","9","5","8","1") = "8"
    & skf18("7","4","3","9","5","9","1") = "8"
    & skf18("7","4","3","9","5","10","1") = "9"
    & skf18("7","4","3","9","6","1","1") = "8"
    & skf18("7","4","3","9","6","2","1") = "8"
    & skf18("7","4","3","9","6","3","1") = "8"
    & skf18("7","4","3","9","6","4","1") = "8"
    & skf18("7","4","3","9","6","5","1") = "8"
    & skf18("7","4","3","9","6","6","1") = "8"
    & skf18("7","4","3","9","6","7","1") = "8"
    & skf18("7","4","3","9","6","8","1") = "8"
    & skf18("7","4","3","9","6","9","1") = "8"
    & skf18("7","4","3","9","6","10","1") = "9"
    & skf18("7","4","3","9","7","1","1") = "8"
    & skf18("7","4","3","9","7","2","1") = "8"
    & skf18("7","4","3","9","7","3","1") = "8"
    & skf18("7","4","3","9","7","4","1") = "8"
    & skf18("7","4","3","9","7","5","1") = "8"
    & skf18("7","4","3","9","7","6","1") = "8"
    & skf18("7","4","3","9","7","7","1") = "8"
    & skf18("7","4","3","9","7","8","1") = "8"
    & skf18("7","4","3","9","7","9","1") = "8"
    & skf18("7","4","3","9","7","10","1") = "9"
    & skf18("7","4","3","9","8","1","1") = "8"
    & skf18("7","4","3","9","8","2","1") = "8"
    & skf18("7","4","3","9","8","3","1") = "8"
    & skf18("7","4","3","9","8","4","1") = "8"
    & skf18("7","4","3","9","8","5","1") = "8"
    & skf18("7","4","3","9","8","6","1") = "8"
    & skf18("7","4","3","9","8","7","1") = "8"
    & skf18("7","4","3","9","8","8","1") = "8"
    & skf18("7","4","3","9","8","9","1") = "8"
    & skf18("7","4","3","9","8","10","1") = "9"
    & skf18("7","4","3","9","9","1","1") = "8"
    & skf18("7","4","3","9","9","2","1") = "8"
    & skf18("7","4","3","9","9","3","1") = "8"
    & skf18("7","4","3","9","9","4","1") = "8"
    & skf18("7","4","3","9","9","5","1") = "8"
    & skf18("7","4","3","9","9","6","1") = "8"
    & skf18("7","4","3","9","9","7","1") = "8"
    & skf18("7","4","3","9","9","8","1") = "8"
    & skf18("7","4","3","9","9","9","1") = "8"
    & skf18("7","4","3","9","9","10","1") = "9"
    & skf18("7","4","3","9","10","1","1") = "9"
    & skf18("7","4","3","9","10","2","1") = "9"
    & skf18("7","4","3","9","10","3","1") = "9"
    & skf18("7","4","3","9","10","4","1") = "9"
    & skf18("7","4","3","9","10","5","1") = "9"
    & skf18("7","4","3","9","10","6","1") = "9"
    & skf18("7","4","3","9","10","7","1") = "9"
    & skf18("7","4","3","9","10","8","1") = "9"
    & skf18("7","4","3","9","10","9","1") = "9"
    & skf18("7","4","3","9","10","10","1") = "9"
    & skf18("7","4","3","10","1","1","1") = "9"
    & skf18("7","4","3","10","1","2","1") = "9"
    & skf18("7","4","3","10","1","3","1") = "9"
    & skf18("7","4","3","10","1","4","1") = "9"
    & skf18("7","4","3","10","1","5","1") = "9"
    & skf18("7","4","3","10","1","6","1") = "9"
    & skf18("7","4","3","10","1","7","1") = "9"
    & skf18("7","4","3","10","1","8","1") = "9"
    & skf18("7","4","3","10","1","9","1") = "9"
    & skf18("7","4","3","10","1","10","1") = "9"
    & skf18("7","4","3","10","2","1","1") = "9"
    & skf18("7","4","3","10","2","2","1") = "9"
    & skf18("7","4","3","10","2","3","1") = "9"
    & skf18("7","4","3","10","2","4","1") = "9"
    & skf18("7","4","3","10","2","5","1") = "9"
    & skf18("7","4","3","10","2","6","1") = "9"
    & skf18("7","4","3","10","2","7","1") = "9"
    & skf18("7","4","3","10","2","8","1") = "9"
    & skf18("7","4","3","10","2","9","1") = "9"
    & skf18("7","4","3","10","2","10","1") = "9"
    & skf18("7","4","3","10","3","1","1") = "9"
    & skf18("7","4","3","10","3","2","1") = "9"
    & skf18("7","4","3","10","3","3","1") = "9"
    & skf18("7","4","3","10","3","4","1") = "9"
    & skf18("7","4","3","10","3","5","1") = "9"
    & skf18("7","4","3","10","3","6","1") = "9"
    & skf18("7","4","3","10","3","7","1") = "9"
    & skf18("7","4","3","10","3","8","1") = "9"
    & skf18("7","4","3","10","3","9","1") = "9"
    & skf18("7","4","3","10","3","10","1") = "9"
    & skf18("7","4","3","10","4","1","1") = "9"
    & skf18("7","4","3","10","4","2","1") = "9"
    & skf18("7","4","3","10","4","3","1") = "9"
    & skf18("7","4","3","10","4","4","1") = "9"
    & skf18("7","4","3","10","4","5","1") = "9"
    & skf18("7","4","3","10","4","6","1") = "9"
    & skf18("7","4","3","10","4","7","1") = "9"
    & skf18("7","4","3","10","4","8","1") = "9"
    & skf18("7","4","3","10","4","9","1") = "9"
    & skf18("7","4","3","10","4","10","1") = "9"
    & skf18("7","4","3","10","5","1","1") = "9"
    & skf18("7","4","3","10","5","2","1") = "9"
    & skf18("7","4","3","10","5","3","1") = "9"
    & skf18("7","4","3","10","5","4","1") = "9"
    & skf18("7","4","3","10","5","5","1") = "9"
    & skf18("7","4","3","10","5","6","1") = "9"
    & skf18("7","4","3","10","5","7","1") = "9"
    & skf18("7","4","3","10","5","8","1") = "9"
    & skf18("7","4","3","10","5","9","1") = "9"
    & skf18("7","4","3","10","5","10","1") = "9"
    & skf18("7","4","3","10","6","1","1") = "9"
    & skf18("7","4","3","10","6","2","1") = "9"
    & skf18("7","4","3","10","6","3","1") = "9"
    & skf18("7","4","3","10","6","4","1") = "9"
    & skf18("7","4","3","10","6","5","1") = "9"
    & skf18("7","4","3","10","6","6","1") = "9"
    & skf18("7","4","3","10","6","7","1") = "9"
    & skf18("7","4","3","10","6","8","1") = "9"
    & skf18("7","4","3","10","6","9","1") = "9"
    & skf18("7","4","3","10","6","10","1") = "9"
    & skf18("7","4","3","10","7","1","1") = "9"
    & skf18("7","4","3","10","7","2","1") = "9"
    & skf18("7","4","3","10","7","3","1") = "9"
    & skf18("7","4","3","10","7","4","1") = "9"
    & skf18("7","4","3","10","7","5","1") = "9"
    & skf18("7","4","3","10","7","6","1") = "9"
    & skf18("7","4","3","10","7","7","1") = "9"
    & skf18("7","4","3","10","7","8","1") = "9"
    & skf18("7","4","3","10","7","9","1") = "9"
    & skf18("7","4","3","10","7","10","1") = "9"
    & skf18("7","4","3","10","8","1","1") = "9"
    & skf18("7","4","3","10","8","2","1") = "9"
    & skf18("7","4","3","10","8","3","1") = "9"
    & skf18("7","4","3","10","8","4","1") = "9"
    & skf18("7","4","3","10","8","5","1") = "9"
    & skf18("7","4","3","10","8","6","1") = "9"
    & skf18("7","4","3","10","8","7","1") = "9"
    & skf18("7","4","3","10","8","8","1") = "9"
    & skf18("7","4","3","10","8","9","1") = "9"
    & skf18("7","4","3","10","8","10","1") = "9"
    & skf18("7","4","3","10","9","1","1") = "9"
    & skf18("7","4","3","10","9","2","1") = "9"
    & skf18("7","4","3","10","9","3","1") = "9"
    & skf18("7","4","3","10","9","4","1") = "9"
    & skf18("7","4","3","10","9","5","1") = "9"
    & skf18("7","4","3","10","9","6","1") = "9"
    & skf18("7","4","3","10","9","7","1") = "9"
    & skf18("7","4","3","10","9","8","1") = "9"
    & skf18("7","4","3","10","9","9","1") = "9"
    & skf18("7","4","3","10","9","10","1") = "9"
    & skf18("7","4","3","10","10","1","1") = "9"
    & skf18("7","4","3","10","10","2","1") = "9"
    & skf18("7","4","3","10","10","3","1") = "9"
    & skf18("7","4","3","10","10","4","1") = "9"
    & skf18("7","4","3","10","10","5","1") = "9"
    & skf18("7","4","3","10","10","6","1") = "9"
    & skf18("7","4","3","10","10","7","1") = "9"
    & skf18("7","4","3","10","10","8","1") = "9"
    & skf18("7","4","3","10","10","9","1") = "9"
    & skf18("7","4","3","10","10","10","1") = "9"
    & skf18("7","4","4","1","1","1","1") = "6"
    & skf18("7","4","4","1","1","2","1") = "6"
    & skf18("7","4","4","1","1","3","1") = "6"
    & skf18("7","4","4","1","1","4","1") = "6"
    & skf18("7","4","4","1","1","5","1") = "6"
    & skf18("7","4","4","1","1","6","1") = "6"
    & skf18("7","4","4","1","1","7","1") = "6"
    & skf18("7","4","4","1","1","8","1") = "7"
    & skf18("7","4","4","1","1","9","1") = "8"
    & skf18("7","4","4","1","1","10","1") = "9"
    & skf18("7","4","4","1","2","1","1") = "6"
    & skf18("7","4","4","1","2","2","1") = "6"
    & skf18("7","4","4","1","2","3","1") = "6"
    & skf18("7","4","4","1","2","4","1") = "6"
    & skf18("7","4","4","1","2","5","1") = "6"
    & skf18("7","4","4","1","2","6","1") = "6"
    & skf18("7","4","4","1","2","7","1") = "6"
    & skf18("7","4","4","1","2","8","1") = "7"
    & skf18("7","4","4","1","2","9","1") = "8"
    & skf18("7","4","4","1","2","10","1") = "9"
    & skf18("7","4","4","1","3","1","1") = "6"
    & skf18("7","4","4","1","3","2","1") = "6"
    & skf18("7","4","4","1","3","3","1") = "6"
    & skf18("7","4","4","1","3","4","1") = "6"
    & skf18("7","4","4","1","3","5","1") = "6"
    & skf18("7","4","4","1","3","6","1") = "6"
    & skf18("7","4","4","1","3","7","1") = "6"
    & skf18("7","4","4","1","3","8","1") = "7"
    & skf18("7","4","4","1","3","9","1") = "8"
    & skf18("7","4","4","1","3","10","1") = "9"
    & skf18("7","4","4","1","4","1","1") = "6"
    & skf18("7","4","4","1","4","2","1") = "6"
    & skf18("7","4","4","1","4","3","1") = "6"
    & skf18("7","4","4","1","4","4","1") = "6"
    & skf18("7","4","4","1","4","5","1") = "6"
    & skf18("7","4","4","1","4","6","1") = "6"
    & skf18("7","4","4","1","4","7","1") = "6"
    & skf18("7","4","4","1","4","8","1") = "7"
    & skf18("7","4","4","1","4","9","1") = "8"
    & skf18("7","4","4","1","4","10","1") = "9"
    & skf18("7","4","4","1","5","1","1") = "6"
    & skf18("7","4","4","1","5","2","1") = "6"
    & skf18("7","4","4","1","5","3","1") = "6"
    & skf18("7","4","4","1","5","4","1") = "6"
    & skf18("7","4","4","1","5","5","1") = "6"
    & skf18("7","4","4","1","5","6","1") = "6"
    & skf18("7","4","4","1","5","7","1") = "6"
    & skf18("7","4","4","1","5","8","1") = "7"
    & skf18("7","4","4","1","5","9","1") = "8"
    & skf18("7","4","4","1","5","10","1") = "9"
    & skf18("7","4","4","1","6","1","1") = "6"
    & skf18("7","4","4","1","6","2","1") = "6"
    & skf18("7","4","4","1","6","3","1") = "6"
    & skf18("7","4","4","1","6","4","1") = "6"
    & skf18("7","4","4","1","6","5","1") = "6"
    & skf18("7","4","4","1","6","6","1") = "6"
    & skf18("7","4","4","1","6","7","1") = "6"
    & skf18("7","4","4","1","6","8","1") = "7"
    & skf18("7","4","4","1","6","9","1") = "8"
    & skf18("7","4","4","1","6","10","1") = "9"
    & skf18("7","4","4","1","7","1","1") = "6"
    & skf18("7","4","4","1","7","2","1") = "6"
    & skf18("7","4","4","1","7","3","1") = "6"
    & skf18("7","4","4","1","7","4","1") = "6"
    & skf18("7","4","4","1","7","5","1") = "6"
    & skf18("7","4","4","1","7","6","1") = "6"
    & skf18("7","4","4","1","7","7","1") = "6"
    & skf18("7","4","4","1","7","8","1") = "7"
    & skf18("7","4","4","1","7","9","1") = "8"
    & skf18("7","4","4","1","7","10","1") = "9"
    & skf18("7","4","4","1","8","1","1") = "7"
    & skf18("7","4","4","1","8","2","1") = "7"
    & skf18("7","4","4","1","8","3","1") = "7"
    & skf18("7","4","4","1","8","4","1") = "7"
    & skf18("7","4","4","1","8","5","1") = "7"
    & skf18("7","4","4","1","8","6","1") = "7"
    & skf18("7","4","4","1","8","7","1") = "7"
    & skf18("7","4","4","1","8","8","1") = "7"
    & skf18("7","4","4","1","8","9","1") = "8"
    & skf18("7","4","4","1","8","10","1") = "9"
    & skf18("7","4","4","1","9","1","1") = "8"
    & skf18("7","4","4","1","9","2","1") = "8"
    & skf18("7","4","4","1","9","3","1") = "8"
    & skf18("7","4","4","1","9","4","1") = "8"
    & skf18("7","4","4","1","9","5","1") = "8"
    & skf18("7","4","4","1","9","6","1") = "8"
    & skf18("7","4","4","1","9","7","1") = "8"
    & skf18("7","4","4","1","9","8","1") = "8"
    & skf18("7","4","4","1","9","9","1") = "8"
    & skf18("7","4","4","1","9","10","1") = "9"
    & skf18("7","4","4","1","10","1","1") = "9"
    & skf18("7","4","4","1","10","2","1") = "9"
    & skf18("7","4","4","1","10","3","1") = "9"
    & skf18("7","4","4","1","10","4","1") = "9"
    & skf18("7","4","4","1","10","5","1") = "9"
    & skf18("7","4","4","1","10","6","1") = "9"
    & skf18("7","4","4","1","10","7","1") = "9"
    & skf18("7","4","4","1","10","8","1") = "9"
    & skf18("7","4","4","1","10","9","1") = "9"
    & skf18("7","4","4","1","10","10","1") = "9"
    & skf18("7","4","4","2","1","1","1") = "6"
    & skf18("7","4","4","2","1","2","1") = "6"
    & skf18("7","4","4","2","1","3","1") = "6"
    & skf18("7","4","4","2","1","4","1") = "6"
    & skf18("7","4","4","2","1","5","1") = "6"
    & skf18("7","4","4","2","1","6","1") = "6"
    & skf18("7","4","4","2","1","7","1") = "6"
    & skf18("7","4","4","2","1","8","1") = "7"
    & skf18("7","4","4","2","1","9","1") = "8"
    & skf18("7","4","4","2","1","10","1") = "9"
    & skf18("7","4","4","2","2","1","1") = "6"
    & skf18("7","4","4","2","2","2","1") = "6"
    & skf18("7","4","4","2","2","3","1") = "6"
    & skf18("7","4","4","2","2","4","1") = "6"
    & skf18("7","4","4","2","2","5","1") = "6"
    & skf18("7","4","4","2","2","6","1") = "6"
    & skf18("7","4","4","2","2","7","1") = "6"
    & skf18("7","4","4","2","2","8","1") = "7"
    & skf18("7","4","4","2","2","9","1") = "8"
    & skf18("7","4","4","2","2","10","1") = "9"
    & skf18("7","4","4","2","3","1","1") = "6"
    & skf18("7","4","4","2","3","2","1") = "6"
    & skf18("7","4","4","2","3","3","1") = "6"
    & skf18("7","4","4","2","3","4","1") = "6"
    & skf18("7","4","4","2","3","5","1") = "6"
    & skf18("7","4","4","2","3","6","1") = "6"
    & skf18("7","4","4","2","3","7","1") = "6"
    & skf18("7","4","4","2","3","8","1") = "7"
    & skf18("7","4","4","2","3","9","1") = "8"
    & skf18("7","4","4","2","3","10","1") = "9"
    & skf18("7","4","4","2","4","1","1") = "6"
    & skf18("7","4","4","2","4","2","1") = "6"
    & skf18("7","4","4","2","4","3","1") = "6"
    & skf18("7","4","4","2","4","4","1") = "6"
    & skf18("7","4","4","2","4","5","1") = "6"
    & skf18("7","4","4","2","4","6","1") = "6"
    & skf18("7","4","4","2","4","7","1") = "6"
    & skf18("7","4","4","2","4","8","1") = "7"
    & skf18("7","4","4","2","4","9","1") = "8"
    & skf18("7","4","4","2","4","10","1") = "9"
    & skf18("7","4","4","2","5","1","1") = "6"
    & skf18("7","4","4","2","5","2","1") = "6"
    & skf18("7","4","4","2","5","3","1") = "6"
    & skf18("7","4","4","2","5","4","1") = "6"
    & skf18("7","4","4","2","5","5","1") = "6"
    & skf18("7","4","4","2","5","6","1") = "6"
    & skf18("7","4","4","2","5","7","1") = "6"
    & skf18("7","4","4","2","5","8","1") = "7"
    & skf18("7","4","4","2","5","9","1") = "8"
    & skf18("7","4","4","2","5","10","1") = "9"
    & skf18("7","4","4","2","6","1","1") = "6"
    & skf18("7","4","4","2","6","2","1") = "6"
    & skf18("7","4","4","2","6","3","1") = "6"
    & skf18("7","4","4","2","6","4","1") = "6"
    & skf18("7","4","4","2","6","5","1") = "6"
    & skf18("7","4","4","2","6","6","1") = "6"
    & skf18("7","4","4","2","6","7","1") = "6"
    & skf18("7","4","4","2","6","8","1") = "7"
    & skf18("7","4","4","2","6","9","1") = "8"
    & skf18("7","4","4","2","6","10","1") = "9"
    & skf18("7","4","4","2","7","1","1") = "6"
    & skf18("7","4","4","2","7","2","1") = "6"
    & skf18("7","4","4","2","7","3","1") = "6"
    & skf18("7","4","4","2","7","4","1") = "6"
    & skf18("7","4","4","2","7","5","1") = "6"
    & skf18("7","4","4","2","7","6","1") = "6"
    & skf18("7","4","4","2","7","7","1") = "6"
    & skf18("7","4","4","2","7","8","1") = "7"
    & skf18("7","4","4","2","7","9","1") = "8"
    & skf18("7","4","4","2","7","10","1") = "9"
    & skf18("7","4","4","2","8","1","1") = "7"
    & skf18("7","4","4","2","8","2","1") = "7"
    & skf18("7","4","4","2","8","3","1") = "7"
    & skf18("7","4","4","2","8","4","1") = "7"
    & skf18("7","4","4","2","8","5","1") = "7"
    & skf18("7","4","4","2","8","6","1") = "7"
    & skf18("7","4","4","2","8","7","1") = "7"
    & skf18("7","4","4","2","8","8","1") = "7"
    & skf18("7","4","4","2","8","9","1") = "8"
    & skf18("7","4","4","2","8","10","1") = "9"
    & skf18("7","4","4","2","9","1","1") = "8"
    & skf18("7","4","4","2","9","2","1") = "8"
    & skf18("7","4","4","2","9","3","1") = "8"
    & skf18("7","4","4","2","9","4","1") = "8"
    & skf18("7","4","4","2","9","5","1") = "8"
    & skf18("7","4","4","2","9","6","1") = "8"
    & skf18("7","4","4","2","9","7","1") = "8"
    & skf18("7","4","4","2","9","8","1") = "8"
    & skf18("7","4","4","2","9","9","1") = "8"
    & skf18("7","4","4","2","9","10","1") = "9"
    & skf18("7","4","4","2","10","1","1") = "9"
    & skf18("7","4","4","2","10","2","1") = "9"
    & skf18("7","4","4","2","10","3","1") = "9"
    & skf18("7","4","4","2","10","4","1") = "9"
    & skf18("7","4","4","2","10","5","1") = "9"
    & skf18("7","4","4","2","10","6","1") = "9"
    & skf18("7","4","4","2","10","7","1") = "9"
    & skf18("7","4","4","2","10","8","1") = "9"
    & skf18("7","4","4","2","10","9","1") = "9"
    & skf18("7","4","4","2","10","10","1") = "9"
    & skf18("7","4","4","3","1","1","1") = "6"
    & skf18("7","4","4","3","1","2","1") = "6"
    & skf18("7","4","4","3","1","3","1") = "6"
    & skf18("7","4","4","3","1","4","1") = "6"
    & skf18("7","4","4","3","1","5","1") = "6"
    & skf18("7","4","4","3","1","6","1") = "6"
    & skf18("7","4","4","3","1","7","1") = "6"
    & skf18("7","4","4","3","1","8","1") = "7"
    & skf18("7","4","4","3","1","9","1") = "8"
    & skf18("7","4","4","3","1","10","1") = "9"
    & skf18("7","4","4","3","2","1","1") = "6"
    & skf18("7","4","4","3","2","2","1") = "6"
    & skf18("7","4","4","3","2","3","1") = "6"
    & skf18("7","4","4","3","2","4","1") = "6"
    & skf18("7","4","4","3","2","5","1") = "6"
    & skf18("7","4","4","3","2","6","1") = "6"
    & skf18("7","4","4","3","2","7","1") = "6"
    & skf18("7","4","4","3","2","8","1") = "7"
    & skf18("7","4","4","3","2","9","1") = "8"
    & skf18("7","4","4","3","2","10","1") = "9"
    & skf18("7","4","4","3","3","1","1") = "6"
    & skf18("7","4","4","3","3","2","1") = "6"
    & skf18("7","4","4","3","3","3","1") = "6"
    & skf18("7","4","4","3","3","4","1") = "6"
    & skf18("7","4","4","3","3","5","1") = "6"
    & skf18("7","4","4","3","3","6","1") = "6"
    & skf18("7","4","4","3","3","7","1") = "6"
    & skf18("7","4","4","3","3","8","1") = "7"
    & skf18("7","4","4","3","3","9","1") = "8"
    & skf18("7","4","4","3","3","10","1") = "9"
    & skf18("7","4","4","3","4","1","1") = "6"
    & skf18("7","4","4","3","4","2","1") = "6"
    & skf18("7","4","4","3","4","3","1") = "6"
    & skf18("7","4","4","3","4","4","1") = "6"
    & skf18("7","4","4","3","4","5","1") = "6"
    & skf18("7","4","4","3","4","6","1") = "6"
    & skf18("7","4","4","3","4","7","1") = "6"
    & skf18("7","4","4","3","4","8","1") = "7"
    & skf18("7","4","4","3","4","9","1") = "8"
    & skf18("7","4","4","3","4","10","1") = "9"
    & skf18("7","4","4","3","5","1","1") = "6"
    & skf18("7","4","4","3","5","2","1") = "6"
    & skf18("7","4","4","3","5","3","1") = "6"
    & skf18("7","4","4","3","5","4","1") = "6"
    & skf18("7","4","4","3","5","5","1") = "6"
    & skf18("7","4","4","3","5","6","1") = "6"
    & skf18("7","4","4","3","5","7","1") = "6"
    & skf18("7","4","4","3","5","8","1") = "7"
    & skf18("7","4","4","3","5","9","1") = "8"
    & skf18("7","4","4","3","5","10","1") = "9"
    & skf18("7","4","4","3","6","1","1") = "6"
    & skf18("7","4","4","3","6","2","1") = "6"
    & skf18("7","4","4","3","6","3","1") = "6"
    & skf18("7","4","4","3","6","4","1") = "6"
    & skf18("7","4","4","3","6","5","1") = "6"
    & skf18("7","4","4","3","6","6","1") = "6"
    & skf18("7","4","4","3","6","7","1") = "6"
    & skf18("7","4","4","3","6","8","1") = "7"
    & skf18("7","4","4","3","6","9","1") = "8"
    & skf18("7","4","4","3","6","10","1") = "9"
    & skf18("7","4","4","3","7","1","1") = "6"
    & skf18("7","4","4","3","7","2","1") = "6"
    & skf18("7","4","4","3","7","3","1") = "6"
    & skf18("7","4","4","3","7","4","1") = "6"
    & skf18("7","4","4","3","7","5","1") = "6"
    & skf18("7","4","4","3","7","6","1") = "6"
    & skf18("7","4","4","3","7","7","1") = "6"
    & skf18("7","4","4","3","7","8","1") = "7"
    & skf18("7","4","4","3","7","9","1") = "8"
    & skf18("7","4","4","3","7","10","1") = "9"
    & skf18("7","4","4","3","8","1","1") = "7"
    & skf18("7","4","4","3","8","2","1") = "7"
    & skf18("7","4","4","3","8","3","1") = "7"
    & skf18("7","4","4","3","8","4","1") = "7"
    & skf18("7","4","4","3","8","5","1") = "7"
    & skf18("7","4","4","3","8","6","1") = "7"
    & skf18("7","4","4","3","8","7","1") = "7"
    & skf18("7","4","4","3","8","8","1") = "7"
    & skf18("7","4","4","3","8","9","1") = "8"
    & skf18("7","4","4","3","8","10","1") = "9"
    & skf18("7","4","4","3","9","1","1") = "8"
    & skf18("7","4","4","3","9","2","1") = "8"
    & skf18("7","4","4","3","9","3","1") = "8"
    & skf18("7","4","4","3","9","4","1") = "8"
    & skf18("7","4","4","3","9","5","1") = "8"
    & skf18("7","4","4","3","9","6","1") = "8"
    & skf18("7","4","4","3","9","7","1") = "8"
    & skf18("7","4","4","3","9","8","1") = "8"
    & skf18("7","4","4","3","9","9","1") = "8"
    & skf18("7","4","4","3","9","10","1") = "9"
    & skf18("7","4","4","3","10","1","1") = "9"
    & skf18("7","4","4","3","10","2","1") = "9"
    & skf18("7","4","4","3","10","3","1") = "9"
    & skf18("7","4","4","3","10","4","1") = "9"
    & skf18("7","4","4","3","10","5","1") = "9"
    & skf18("7","4","4","3","10","6","1") = "9"
    & skf18("7","4","4","3","10","7","1") = "9"
    & skf18("7","4","4","3","10","8","1") = "9"
    & skf18("7","4","4","3","10","9","1") = "9"
    & skf18("7","4","4","3","10","10","1") = "9"
    & skf18("7","4","4","4","1","1","1") = "6"
    & skf18("7","4","4","4","1","2","1") = "6"
    & skf18("7","4","4","4","1","3","1") = "6"
    & skf18("7","4","4","4","1","4","1") = "6"
    & skf18("7","4","4","4","1","5","1") = "6"
    & skf18("7","4","4","4","1","6","1") = "6"
    & skf18("7","4","4","4","1","7","1") = "6"
    & skf18("7","4","4","4","1","8","1") = "7"
    & skf18("7","4","4","4","1","9","1") = "8"
    & skf18("7","4","4","4","1","10","1") = "9"
    & skf18("7","4","4","4","2","1","1") = "6"
    & skf18("7","4","4","4","2","2","1") = "6"
    & skf18("7","4","4","4","2","3","1") = "6"
    & skf18("7","4","4","4","2","4","1") = "6"
    & skf18("7","4","4","4","2","5","1") = "6"
    & skf18("7","4","4","4","2","6","1") = "6"
    & skf18("7","4","4","4","2","7","1") = "6"
    & skf18("7","4","4","4","2","8","1") = "7"
    & skf18("7","4","4","4","2","9","1") = "8"
    & skf18("7","4","4","4","2","10","1") = "9"
    & skf18("7","4","4","4","3","1","1") = "6"
    & skf18("7","4","4","4","3","2","1") = "6"
    & skf18("7","4","4","4","3","3","1") = "6"
    & skf18("7","4","4","4","3","4","1") = "6"
    & skf18("7","4","4","4","3","5","1") = "6"
    & skf18("7","4","4","4","3","6","1") = "6"
    & skf18("7","4","4","4","3","7","1") = "6"
    & skf18("7","4","4","4","3","8","1") = "7"
    & skf18("7","4","4","4","3","9","1") = "8"
    & skf18("7","4","4","4","3","10","1") = "9"
    & skf18("7","4","4","4","4","1","1") = "6"
    & skf18("7","4","4","4","4","2","1") = "6"
    & skf18("7","4","4","4","4","3","1") = "6"
    & skf18("7","4","4","4","4","4","1") = "6"
    & skf18("7","4","4","4","4","5","1") = "6"
    & skf18("7","4","4","4","4","6","1") = "6"
    & skf18("7","4","4","4","4","7","1") = "6"
    & skf18("7","4","4","4","4","8","1") = "7"
    & skf18("7","4","4","4","4","9","1") = "8"
    & skf18("7","4","4","4","4","10","1") = "9"
    & skf18("7","4","4","4","5","1","1") = "6"
    & skf18("7","4","4","4","5","2","1") = "6"
    & skf18("7","4","4","4","5","3","1") = "6"
    & skf18("7","4","4","4","5","4","1") = "6"
    & skf18("7","4","4","4","5","5","1") = "6"
    & skf18("7","4","4","4","5","6","1") = "6"
    & skf18("7","4","4","4","5","7","1") = "6"
    & skf18("7","4","4","4","5","8","1") = "7"
    & skf18("7","4","4","4","5","9","1") = "8"
    & skf18("7","4","4","4","5","10","1") = "9"
    & skf18("7","4","4","4","6","1","1") = "6"
    & skf18("7","4","4","4","6","2","1") = "6"
    & skf18("7","4","4","4","6","3","1") = "6"
    & skf18("7","4","4","4","6","4","1") = "6"
    & skf18("7","4","4","4","6","5","1") = "6"
    & skf18("7","4","4","4","6","6","1") = "6"
    & skf18("7","4","4","4","6","7","1") = "6"
    & skf18("7","4","4","4","6","8","1") = "7"
    & skf18("7","4","4","4","6","9","1") = "8"
    & skf18("7","4","4","4","6","10","1") = "9"
    & skf18("7","4","4","4","7","1","1") = "6"
    & skf18("7","4","4","4","7","2","1") = "6"
    & skf18("7","4","4","4","7","3","1") = "6"
    & skf18("7","4","4","4","7","4","1") = "6"
    & skf18("7","4","4","4","7","5","1") = "6"
    & skf18("7","4","4","4","7","6","1") = "6"
    & skf18("7","4","4","4","7","7","1") = "6"
    & skf18("7","4","4","4","7","8","1") = "7"
    & skf18("7","4","4","4","7","9","1") = "8"
    & skf18("7","4","4","4","7","10","1") = "9"
    & skf18("7","4","4","4","8","1","1") = "7"
    & skf18("7","4","4","4","8","2","1") = "7"
    & skf18("7","4","4","4","8","3","1") = "7"
    & skf18("7","4","4","4","8","4","1") = "7"
    & skf18("7","4","4","4","8","5","1") = "7"
    & skf18("7","4","4","4","8","6","1") = "7"
    & skf18("7","4","4","4","8","7","1") = "7"
    & skf18("7","4","4","4","8","8","1") = "7"
    & skf18("7","4","4","4","8","9","1") = "8"
    & skf18("7","4","4","4","8","10","1") = "9"
    & skf18("7","4","4","4","9","1","1") = "8"
    & skf18("7","4","4","4","9","2","1") = "8"
    & skf18("7","4","4","4","9","3","1") = "8"
    & skf18("7","4","4","4","9","4","1") = "8"
    & skf18("7","4","4","4","9","5","1") = "8"
    & skf18("7","4","4","4","9","6","1") = "8"
    & skf18("7","4","4","4","9","7","1") = "8"
    & skf18("7","4","4","4","9","8","1") = "8"
    & skf18("7","4","4","4","9","9","1") = "8"
    & skf18("7","4","4","4","9","10","1") = "9"
    & skf18("7","4","4","4","10","1","1") = "9"
    & skf18("7","4","4","4","10","2","1") = "9"
    & skf18("7","4","4","4","10","3","1") = "9"
    & skf18("7","4","4","4","10","4","1") = "9"
    & skf18("7","4","4","4","10","5","1") = "9"
    & skf18("7","4","4","4","10","6","1") = "9"
    & skf18("7","4","4","4","10","7","1") = "9"
    & skf18("7","4","4","4","10","8","1") = "9"
    & skf18("7","4","4","4","10","9","1") = "9"
    & skf18("7","4","4","4","10","10","1") = "9"
    & skf18("7","4","4","5","1","1","1") = "6"
    & skf18("7","4","4","5","1","2","1") = "6"
    & skf18("7","4","4","5","1","3","1") = "6"
    & skf18("7","4","4","5","1","4","1") = "6"
    & skf18("7","4","4","5","1","5","1") = "6"
    & skf18("7","4","4","5","1","6","1") = "6"
    & skf18("7","4","4","5","1","7","1") = "6"
    & skf18("7","4","4","5","1","8","1") = "7"
    & skf18("7","4","4","5","1","9","1") = "8"
    & skf18("7","4","4","5","1","10","1") = "9"
    & skf18("7","4","4","5","2","1","1") = "6"
    & skf18("7","4","4","5","2","2","1") = "6"
    & skf18("7","4","4","5","2","3","1") = "6"
    & skf18("7","4","4","5","2","4","1") = "6"
    & skf18("7","4","4","5","2","5","1") = "6"
    & skf18("7","4","4","5","2","6","1") = "6"
    & skf18("7","4","4","5","2","7","1") = "6"
    & skf18("7","4","4","5","2","8","1") = "7"
    & skf18("7","4","4","5","2","9","1") = "8"
    & skf18("7","4","4","5","2","10","1") = "9"
    & skf18("7","4","4","5","3","1","1") = "6"
    & skf18("7","4","4","5","3","2","1") = "6"
    & skf18("7","4","4","5","3","3","1") = "6"
    & skf18("7","4","4","5","3","4","1") = "6"
    & skf18("7","4","4","5","3","5","1") = "6"
    & skf18("7","4","4","5","3","6","1") = "6"
    & skf18("7","4","4","5","3","7","1") = "6"
    & skf18("7","4","4","5","3","8","1") = "7"
    & skf18("7","4","4","5","3","9","1") = "8"
    & skf18("7","4","4","5","3","10","1") = "9"
    & skf18("7","4","4","5","4","1","1") = "6"
    & skf18("7","4","4","5","4","2","1") = "6"
    & skf18("7","4","4","5","4","3","1") = "6"
    & skf18("7","4","4","5","4","4","1") = "6"
    & skf18("7","4","4","5","4","5","1") = "6"
    & skf18("7","4","4","5","4","6","1") = "6"
    & skf18("7","4","4","5","4","7","1") = "6"
    & skf18("7","4","4","5","4","8","1") = "7"
    & skf18("7","4","4","5","4","9","1") = "8"
    & skf18("7","4","4","5","4","10","1") = "9"
    & skf18("7","4","4","5","5","1","1") = "6"
    & skf18("7","4","4","5","5","2","1") = "6"
    & skf18("7","4","4","5","5","3","1") = "6"
    & skf18("7","4","4","5","5","4","1") = "6"
    & skf18("7","4","4","5","5","5","1") = "6"
    & skf18("7","4","4","5","5","6","1") = "6"
    & skf18("7","4","4","5","5","7","1") = "6"
    & skf18("7","4","4","5","5","8","1") = "7"
    & skf18("7","4","4","5","5","9","1") = "8"
    & skf18("7","4","4","5","5","10","1") = "9"
    & skf18("7","4","4","5","6","1","1") = "6"
    & skf18("7","4","4","5","6","2","1") = "6"
    & skf18("7","4","4","5","6","3","1") = "6"
    & skf18("7","4","4","5","6","4","1") = "6"
    & skf18("7","4","4","5","6","5","1") = "6"
    & skf18("7","4","4","5","6","6","1") = "6"
    & skf18("7","4","4","5","6","7","1") = "6"
    & skf18("7","4","4","5","6","8","1") = "7"
    & skf18("7","4","4","5","6","9","1") = "8"
    & skf18("7","4","4","5","6","10","1") = "9"
    & skf18("7","4","4","5","7","1","1") = "6"
    & skf18("7","4","4","5","7","2","1") = "6"
    & skf18("7","4","4","5","7","3","1") = "6"
    & skf18("7","4","4","5","7","4","1") = "6"
    & skf18("7","4","4","5","7","5","1") = "6"
    & skf18("7","4","4","5","7","6","1") = "6"
    & skf18("7","4","4","5","7","7","1") = "6"
    & skf18("7","4","4","5","7","8","1") = "7"
    & skf18("7","4","4","5","7","9","1") = "8"
    & skf18("7","4","4","5","7","10","1") = "9"
    & skf18("7","4","4","5","8","1","1") = "7"
    & skf18("7","4","4","5","8","2","1") = "7"
    & skf18("7","4","4","5","8","3","1") = "7"
    & skf18("7","4","4","5","8","4","1") = "7"
    & skf18("7","4","4","5","8","5","1") = "7"
    & skf18("7","4","4","5","8","6","1") = "7"
    & skf18("7","4","4","5","8","7","1") = "7"
    & skf18("7","4","4","5","8","8","1") = "7"
    & skf18("7","4","4","5","8","9","1") = "8"
    & skf18("7","4","4","5","8","10","1") = "9"
    & skf18("7","4","4","5","9","1","1") = "8"
    & skf18("7","4","4","5","9","2","1") = "8"
    & skf18("7","4","4","5","9","3","1") = "8"
    & skf18("7","4","4","5","9","4","1") = "8"
    & skf18("7","4","4","5","9","5","1") = "8"
    & skf18("7","4","4","5","9","6","1") = "8"
    & skf18("7","4","4","5","9","7","1") = "8"
    & skf18("7","4","4","5","9","8","1") = "8"
    & skf18("7","4","4","5","9","9","1") = "8"
    & skf18("7","4","4","5","9","10","1") = "9"
    & skf18("7","4","4","5","10","1","1") = "9"
    & skf18("7","4","4","5","10","2","1") = "9"
    & skf18("7","4","4","5","10","3","1") = "9"
    & skf18("7","4","4","5","10","4","1") = "9"
    & skf18("7","4","4","5","10","5","1") = "9"
    & skf18("7","4","4","5","10","6","1") = "9"
    & skf18("7","4","4","5","10","7","1") = "9"
    & skf18("7","4","4","5","10","8","1") = "9"
    & skf18("7","4","4","5","10","9","1") = "9"
    & skf18("7","4","4","5","10","10","1") = "9"
    & skf18("7","4","4","6","1","1","1") = "6"
    & skf18("7","4","4","6","1","2","1") = "6"
    & skf18("7","4","4","6","1","3","1") = "6"
    & skf18("7","4","4","6","1","4","1") = "6"
    & skf18("7","4","4","6","1","5","1") = "6"
    & skf18("7","4","4","6","1","6","1") = "6"
    & skf18("7","4","4","6","1","7","1") = "6"
    & skf18("7","4","4","6","1","8","1") = "7"
    & skf18("7","4","4","6","1","9","1") = "8"
    & skf18("7","4","4","6","1","10","1") = "9"
    & skf18("7","4","4","6","2","1","1") = "6"
    & skf18("7","4","4","6","2","2","1") = "6"
    & skf18("7","4","4","6","2","3","1") = "6"
    & skf18("7","4","4","6","2","4","1") = "6"
    & skf18("7","4","4","6","2","5","1") = "6"
    & skf18("7","4","4","6","2","6","1") = "6"
    & skf18("7","4","4","6","2","7","1") = "6"
    & skf18("7","4","4","6","2","8","1") = "7"
    & skf18("7","4","4","6","2","9","1") = "8"
    & skf18("7","4","4","6","2","10","1") = "9"
    & skf18("7","4","4","6","3","1","1") = "6"
    & skf18("7","4","4","6","3","2","1") = "6"
    & skf18("7","4","4","6","3","3","1") = "6"
    & skf18("7","4","4","6","3","4","1") = "6"
    & skf18("7","4","4","6","3","5","1") = "6"
    & skf18("7","4","4","6","3","6","1") = "6"
    & skf18("7","4","4","6","3","7","1") = "6"
    & skf18("7","4","4","6","3","8","1") = "7"
    & skf18("7","4","4","6","3","9","1") = "8"
    & skf18("7","4","4","6","3","10","1") = "9"
    & skf18("7","4","4","6","4","1","1") = "6"
    & skf18("7","4","4","6","4","2","1") = "6"
    & skf18("7","4","4","6","4","3","1") = "6"
    & skf18("7","4","4","6","4","4","1") = "6"
    & skf18("7","4","4","6","4","5","1") = "6"
    & skf18("7","4","4","6","4","6","1") = "6"
    & skf18("7","4","4","6","4","7","1") = "6"
    & skf18("7","4","4","6","4","8","1") = "7"
    & skf18("7","4","4","6","4","9","1") = "8"
    & skf18("7","4","4","6","4","10","1") = "9"
    & skf18("7","4","4","6","5","1","1") = "6"
    & skf18("7","4","4","6","5","2","1") = "6"
    & skf18("7","4","4","6","5","3","1") = "6"
    & skf18("7","4","4","6","5","4","1") = "6"
    & skf18("7","4","4","6","5","5","1") = "6"
    & skf18("7","4","4","6","5","6","1") = "6"
    & skf18("7","4","4","6","5","7","1") = "6"
    & skf18("7","4","4","6","5","8","1") = "7"
    & skf18("7","4","4","6","5","9","1") = "8"
    & skf18("7","4","4","6","5","10","1") = "9"
    & skf18("7","4","4","6","6","1","1") = "6"
    & skf18("7","4","4","6","6","2","1") = "6"
    & skf18("7","4","4","6","6","3","1") = "6"
    & skf18("7","4","4","6","6","4","1") = "6"
    & skf18("7","4","4","6","6","5","1") = "6"
    & skf18("7","4","4","6","6","6","1") = "6"
    & skf18("7","4","4","6","6","7","1") = "6"
    & skf18("7","4","4","6","6","8","1") = "7"
    & skf18("7","4","4","6","6","9","1") = "8"
    & skf18("7","4","4","6","6","10","1") = "9"
    & skf18("7","4","4","6","7","1","1") = "6"
    & skf18("7","4","4","6","7","2","1") = "6"
    & skf18("7","4","4","6","7","3","1") = "6"
    & skf18("7","4","4","6","7","4","1") = "6"
    & skf18("7","4","4","6","7","5","1") = "6"
    & skf18("7","4","4","6","7","6","1") = "6"
    & skf18("7","4","4","6","7","7","1") = "6"
    & skf18("7","4","4","6","7","8","1") = "7"
    & skf18("7","4","4","6","7","9","1") = "8"
    & skf18("7","4","4","6","7","10","1") = "9"
    & skf18("7","4","4","6","8","1","1") = "7"
    & skf18("7","4","4","6","8","2","1") = "7"
    & skf18("7","4","4","6","8","3","1") = "7"
    & skf18("7","4","4","6","8","4","1") = "7"
    & skf18("7","4","4","6","8","5","1") = "7"
    & skf18("7","4","4","6","8","6","1") = "7"
    & skf18("7","4","4","6","8","7","1") = "7"
    & skf18("7","4","4","6","8","8","1") = "7"
    & skf18("7","4","4","6","8","9","1") = "8"
    & skf18("7","4","4","6","8","10","1") = "9"
    & skf18("7","4","4","6","9","1","1") = "8"
    & skf18("7","4","4","6","9","2","1") = "8"
    & skf18("7","4","4","6","9","3","1") = "8"
    & skf18("7","4","4","6","9","4","1") = "8"
    & skf18("7","4","4","6","9","5","1") = "8"
    & skf18("7","4","4","6","9","6","1") = "8"
    & skf18("7","4","4","6","9","7","1") = "8"
    & skf18("7","4","4","6","9","8","1") = "8"
    & skf18("7","4","4","6","9","9","1") = "8"
    & skf18("7","4","4","6","9","10","1") = "9"
    & skf18("7","4","4","6","10","1","1") = "9"
    & skf18("7","4","4","6","10","2","1") = "9"
    & skf18("7","4","4","6","10","3","1") = "9"
    & skf18("7","4","4","6","10","4","1") = "9"
    & skf18("7","4","4","6","10","5","1") = "9"
    & skf18("7","4","4","6","10","6","1") = "9"
    & skf18("7","4","4","6","10","7","1") = "9"
    & skf18("7","4","4","6","10","8","1") = "9"
    & skf18("7","4","4","6","10","9","1") = "9"
    & skf18("7","4","4","6","10","10","1") = "9"
    & skf18("7","4","4","7","1","1","1") = "6"
    & skf18("7","4","4","7","1","2","1") = "6"
    & skf18("7","4","4","7","1","3","1") = "6"
    & skf18("7","4","4","7","1","4","1") = "6"
    & skf18("7","4","4","7","1","5","1") = "6"
    & skf18("7","4","4","7","1","6","1") = "6"
    & skf18("7","4","4","7","1","7","1") = "6"
    & skf18("7","4","4","7","1","8","1") = "7"
    & skf18("7","4","4","7","1","9","1") = "8"
    & skf18("7","4","4","7","1","10","1") = "9"
    & skf18("7","4","4","7","2","1","1") = "6"
    & skf18("7","4","4","7","2","2","1") = "6"
    & skf18("7","4","4","7","2","3","1") = "6"
    & skf18("7","4","4","7","2","4","1") = "6"
    & skf18("7","4","4","7","2","5","1") = "6"
    & skf18("7","4","4","7","2","6","1") = "6"
    & skf18("7","4","4","7","2","7","1") = "6"
    & skf18("7","4","4","7","2","8","1") = "7"
    & skf18("7","4","4","7","2","9","1") = "8"
    & skf18("7","4","4","7","2","10","1") = "9"
    & skf18("7","4","4","7","3","1","1") = "6"
    & skf18("7","4","4","7","3","2","1") = "6"
    & skf18("7","4","4","7","3","3","1") = "6"
    & skf18("7","4","4","7","3","4","1") = "6"
    & skf18("7","4","4","7","3","5","1") = "6"
    & skf18("7","4","4","7","3","6","1") = "6"
    & skf18("7","4","4","7","3","7","1") = "6"
    & skf18("7","4","4","7","3","8","1") = "7"
    & skf18("7","4","4","7","3","9","1") = "8"
    & skf18("7","4","4","7","3","10","1") = "9"
    & skf18("7","4","4","7","4","1","1") = "6"
    & skf18("7","4","4","7","4","2","1") = "6"
    & skf18("7","4","4","7","4","3","1") = "6"
    & skf18("7","4","4","7","4","4","1") = "6"
    & skf18("7","4","4","7","4","5","1") = "6"
    & skf18("7","4","4","7","4","6","1") = "6"
    & skf18("7","4","4","7","4","7","1") = "6"
    & skf18("7","4","4","7","4","8","1") = "7"
    & skf18("7","4","4","7","4","9","1") = "8"
    & skf18("7","4","4","7","4","10","1") = "9"
    & skf18("7","4","4","7","5","1","1") = "6"
    & skf18("7","4","4","7","5","2","1") = "6"
    & skf18("7","4","4","7","5","3","1") = "6"
    & skf18("7","4","4","7","5","4","1") = "6"
    & skf18("7","4","4","7","5","5","1") = "6"
    & skf18("7","4","4","7","5","6","1") = "6"
    & skf18("7","4","4","7","5","7","1") = "6"
    & skf18("7","4","4","7","5","8","1") = "7"
    & skf18("7","4","4","7","5","9","1") = "8"
    & skf18("7","4","4","7","5","10","1") = "9"
    & skf18("7","4","4","7","6","1","1") = "6"
    & skf18("7","4","4","7","6","2","1") = "6"
    & skf18("7","4","4","7","6","3","1") = "6"
    & skf18("7","4","4","7","6","4","1") = "6"
    & skf18("7","4","4","7","6","5","1") = "6"
    & skf18("7","4","4","7","6","6","1") = "6"
    & skf18("7","4","4","7","6","7","1") = "6"
    & skf18("7","4","4","7","6","8","1") = "7"
    & skf18("7","4","4","7","6","9","1") = "8"
    & skf18("7","4","4","7","6","10","1") = "9"
    & skf18("7","4","4","7","7","1","1") = "6"
    & skf18("7","4","4","7","7","2","1") = "6"
    & skf18("7","4","4","7","7","3","1") = "6"
    & skf18("7","4","4","7","7","4","1") = "6"
    & skf18("7","4","4","7","7","5","1") = "6"
    & skf18("7","4","4","7","7","6","1") = "6"
    & skf18("7","4","4","7","7","7","1") = "6"
    & skf18("7","4","4","7","7","8","1") = "7"
    & skf18("7","4","4","7","7","9","1") = "8"
    & skf18("7","4","4","7","7","10","1") = "9"
    & skf18("7","4","4","7","8","1","1") = "7"
    & skf18("7","4","4","7","8","2","1") = "7"
    & skf18("7","4","4","7","8","3","1") = "7"
    & skf18("7","4","4","7","8","4","1") = "7"
    & skf18("7","4","4","7","8","5","1") = "7"
    & skf18("7","4","4","7","8","6","1") = "7"
    & skf18("7","4","4","7","8","7","1") = "7"
    & skf18("7","4","4","7","8","8","1") = "7"
    & skf18("7","4","4","7","8","9","1") = "8"
    & skf18("7","4","4","7","8","10","1") = "9"
    & skf18("7","4","4","7","9","1","1") = "8"
    & skf18("7","4","4","7","9","2","1") = "8"
    & skf18("7","4","4","7","9","3","1") = "8"
    & skf18("7","4","4","7","9","4","1") = "8"
    & skf18("7","4","4","7","9","5","1") = "8"
    & skf18("7","4","4","7","9","6","1") = "8"
    & skf18("7","4","4","7","9","7","1") = "8"
    & skf18("7","4","4","7","9","8","1") = "8"
    & skf18("7","4","4","7","9","9","1") = "8"
    & skf18("7","4","4","7","9","10","1") = "9"
    & skf18("7","4","4","7","10","1","1") = "9"
    & skf18("7","4","4","7","10","2","1") = "9"
    & skf18("7","4","4","7","10","3","1") = "9"
    & skf18("7","4","4","7","10","4","1") = "9"
    & skf18("7","4","4","7","10","5","1") = "9"
    & skf18("7","4","4","7","10","6","1") = "9"
    & skf18("7","4","4","7","10","7","1") = "9"
    & skf18("7","4","4","7","10","8","1") = "9"
    & skf18("7","4","4","7","10","9","1") = "9"
    & skf18("7","4","4","7","10","10","1") = "9"
    & skf18("7","4","4","8","1","1","1") = "7"
    & skf18("7","4","4","8","1","2","1") = "7"
    & skf18("7","4","4","8","1","3","1") = "7"
    & skf18("7","4","4","8","1","4","1") = "7"
    & skf18("7","4","4","8","1","5","1") = "7"
    & skf18("7","4","4","8","1","6","1") = "7"
    & skf18("7","4","4","8","1","7","1") = "7"
    & skf18("7","4","4","8","1","8","1") = "7"
    & skf18("7","4","4","8","1","9","1") = "8"
    & skf18("7","4","4","8","1","10","1") = "9"
    & skf18("7","4","4","8","2","1","1") = "7"
    & skf18("7","4","4","8","2","2","1") = "7"
    & skf18("7","4","4","8","2","3","1") = "7"
    & skf18("7","4","4","8","2","4","1") = "7"
    & skf18("7","4","4","8","2","5","1") = "7"
    & skf18("7","4","4","8","2","6","1") = "7"
    & skf18("7","4","4","8","2","7","1") = "7"
    & skf18("7","4","4","8","2","8","1") = "7"
    & skf18("7","4","4","8","2","9","1") = "8"
    & skf18("7","4","4","8","2","10","1") = "9"
    & skf18("7","4","4","8","3","1","1") = "7"
    & skf18("7","4","4","8","3","2","1") = "7"
    & skf18("7","4","4","8","3","3","1") = "7"
    & skf18("7","4","4","8","3","4","1") = "7"
    & skf18("7","4","4","8","3","5","1") = "7"
    & skf18("7","4","4","8","3","6","1") = "7"
    & skf18("7","4","4","8","3","7","1") = "7"
    & skf18("7","4","4","8","3","8","1") = "7"
    & skf18("7","4","4","8","3","9","1") = "8"
    & skf18("7","4","4","8","3","10","1") = "9"
    & skf18("7","4","4","8","4","1","1") = "7"
    & skf18("7","4","4","8","4","2","1") = "7"
    & skf18("7","4","4","8","4","3","1") = "7"
    & skf18("7","4","4","8","4","4","1") = "7"
    & skf18("7","4","4","8","4","5","1") = "7"
    & skf18("7","4","4","8","4","6","1") = "7"
    & skf18("7","4","4","8","4","7","1") = "7"
    & skf18("7","4","4","8","4","8","1") = "7"
    & skf18("7","4","4","8","4","9","1") = "8"
    & skf18("7","4","4","8","4","10","1") = "9"
    & skf18("7","4","4","8","5","1","1") = "7"
    & skf18("7","4","4","8","5","2","1") = "7"
    & skf18("7","4","4","8","5","3","1") = "7"
    & skf18("7","4","4","8","5","4","1") = "7"
    & skf18("7","4","4","8","5","5","1") = "7"
    & skf18("7","4","4","8","5","6","1") = "7"
    & skf18("7","4","4","8","5","7","1") = "7"
    & skf18("7","4","4","8","5","8","1") = "7"
    & skf18("7","4","4","8","5","9","1") = "8"
    & skf18("7","4","4","8","5","10","1") = "9"
    & skf18("7","4","4","8","6","1","1") = "7"
    & skf18("7","4","4","8","6","2","1") = "7"
    & skf18("7","4","4","8","6","3","1") = "7"
    & skf18("7","4","4","8","6","4","1") = "7"
    & skf18("7","4","4","8","6","5","1") = "7"
    & skf18("7","4","4","8","6","6","1") = "7"
    & skf18("7","4","4","8","6","7","1") = "7"
    & skf18("7","4","4","8","6","8","1") = "7"
    & skf18("7","4","4","8","6","9","1") = "8"
    & skf18("7","4","4","8","6","10","1") = "9"
    & skf18("7","4","4","8","7","1","1") = "7"
    & skf18("7","4","4","8","7","2","1") = "7"
    & skf18("7","4","4","8","7","3","1") = "7"
    & skf18("7","4","4","8","7","4","1") = "7"
    & skf18("7","4","4","8","7","5","1") = "7"
    & skf18("7","4","4","8","7","6","1") = "7"
    & skf18("7","4","4","8","7","7","1") = "7"
    & skf18("7","4","4","8","7","8","1") = "7"
    & skf18("7","4","4","8","7","9","1") = "8"
    & skf18("7","4","4","8","7","10","1") = "9"
    & skf18("7","4","4","8","8","1","1") = "7"
    & skf18("7","4","4","8","8","2","1") = "7"
    & skf18("7","4","4","8","8","3","1") = "7"
    & skf18("7","4","4","8","8","4","1") = "7"
    & skf18("7","4","4","8","8","5","1") = "7"
    & skf18("7","4","4","8","8","6","1") = "7"
    & skf18("7","4","4","8","8","7","1") = "7"
    & skf18("7","4","4","8","8","8","1") = "7"
    & skf18("7","4","4","8","8","9","1") = "8"
    & skf18("7","4","4","8","8","10","1") = "9"
    & skf18("7","4","4","8","9","1","1") = "8"
    & skf18("7","4","4","8","9","2","1") = "8"
    & skf18("7","4","4","8","9","3","1") = "8"
    & skf18("7","4","4","8","9","4","1") = "8"
    & skf18("7","4","4","8","9","5","1") = "8"
    & skf18("7","4","4","8","9","6","1") = "8"
    & skf18("7","4","4","8","9","7","1") = "8"
    & skf18("7","4","4","8","9","8","1") = "8"
    & skf18("7","4","4","8","9","9","1") = "8"
    & skf18("7","4","4","8","9","10","1") = "9"
    & skf18("7","4","4","8","10","1","1") = "9"
    & skf18("7","4","4","8","10","2","1") = "9"
    & skf18("7","4","4","8","10","3","1") = "9"
    & skf18("7","4","4","8","10","4","1") = "9"
    & skf18("7","4","4","8","10","5","1") = "9"
    & skf18("7","4","4","8","10","6","1") = "9"
    & skf18("7","4","4","8","10","7","1") = "9"
    & skf18("7","4","4","8","10","8","1") = "9"
    & skf18("7","4","4","8","10","9","1") = "9"
    & skf18("7","4","4","8","10","10","1") = "9"
    & skf18("7","4","4","9","1","1","1") = "8"
    & skf18("7","4","4","9","1","2","1") = "8"
    & skf18("7","4","4","9","1","3","1") = "8"
    & skf18("7","4","4","9","1","4","1") = "8"
    & skf18("7","4","4","9","1","5","1") = "8"
    & skf18("7","4","4","9","1","6","1") = "8"
    & skf18("7","4","4","9","1","7","1") = "8"
    & skf18("7","4","4","9","1","8","1") = "8"
    & skf18("7","4","4","9","1","9","1") = "8"
    & skf18("7","4","4","9","1","10","1") = "9"
    & skf18("7","4","4","9","2","1","1") = "8"
    & skf18("7","4","4","9","2","2","1") = "8"
    & skf18("7","4","4","9","2","3","1") = "8"
    & skf18("7","4","4","9","2","4","1") = "8"
    & skf18("7","4","4","9","2","5","1") = "8"
    & skf18("7","4","4","9","2","6","1") = "8"
    & skf18("7","4","4","9","2","7","1") = "8"
    & skf18("7","4","4","9","2","8","1") = "8"
    & skf18("7","4","4","9","2","9","1") = "8"
    & skf18("7","4","4","9","2","10","1") = "9"
    & skf18("7","4","4","9","3","1","1") = "8"
    & skf18("7","4","4","9","3","2","1") = "8"
    & skf18("7","4","4","9","3","3","1") = "8"
    & skf18("7","4","4","9","3","4","1") = "8"
    & skf18("7","4","4","9","3","5","1") = "8"
    & skf18("7","4","4","9","3","6","1") = "8"
    & skf18("7","4","4","9","3","7","1") = "8"
    & skf18("7","4","4","9","3","8","1") = "8"
    & skf18("7","4","4","9","3","9","1") = "8"
    & skf18("7","4","4","9","3","10","1") = "9"
    & skf18("7","4","4","9","4","1","1") = "8"
    & skf18("7","4","4","9","4","2","1") = "8"
    & skf18("7","4","4","9","4","3","1") = "8"
    & skf18("7","4","4","9","4","4","1") = "8"
    & skf18("7","4","4","9","4","5","1") = "8"
    & skf18("7","4","4","9","4","6","1") = "8"
    & skf18("7","4","4","9","4","7","1") = "8"
    & skf18("7","4","4","9","4","8","1") = "8"
    & skf18("7","4","4","9","4","9","1") = "8"
    & skf18("7","4","4","9","4","10","1") = "9"
    & skf18("7","4","4","9","5","1","1") = "8"
    & skf18("7","4","4","9","5","2","1") = "8"
    & skf18("7","4","4","9","5","3","1") = "8"
    & skf18("7","4","4","9","5","4","1") = "8"
    & skf18("7","4","4","9","5","5","1") = "8"
    & skf18("7","4","4","9","5","6","1") = "8"
    & skf18("7","4","4","9","5","7","1") = "8"
    & skf18("7","4","4","9","5","8","1") = "8"
    & skf18("7","4","4","9","5","9","1") = "8"
    & skf18("7","4","4","9","5","10","1") = "9"
    & skf18("7","4","4","9","6","1","1") = "8"
    & skf18("7","4","4","9","6","2","1") = "8"
    & skf18("7","4","4","9","6","3","1") = "8"
    & skf18("7","4","4","9","6","4","1") = "8"
    & skf18("7","4","4","9","6","5","1") = "8"
    & skf18("7","4","4","9","6","6","1") = "8"
    & skf18("7","4","4","9","6","7","1") = "8"
    & skf18("7","4","4","9","6","8","1") = "8"
    & skf18("7","4","4","9","6","9","1") = "8"
    & skf18("7","4","4","9","6","10","1") = "9"
    & skf18("7","4","4","9","7","1","1") = "8"
    & skf18("7","4","4","9","7","2","1") = "8"
    & skf18("7","4","4","9","7","3","1") = "8"
    & skf18("7","4","4","9","7","4","1") = "8"
    & skf18("7","4","4","9","7","5","1") = "8"
    & skf18("7","4","4","9","7","6","1") = "8"
    & skf18("7","4","4","9","7","7","1") = "8"
    & skf18("7","4","4","9","7","8","1") = "8"
    & skf18("7","4","4","9","7","9","1") = "8"
    & skf18("7","4","4","9","7","10","1") = "9"
    & skf18("7","4","4","9","8","1","1") = "8"
    & skf18("7","4","4","9","8","2","1") = "8"
    & skf18("7","4","4","9","8","3","1") = "8"
    & skf18("7","4","4","9","8","4","1") = "8"
    & skf18("7","4","4","9","8","5","1") = "8"
    & skf18("7","4","4","9","8","6","1") = "8"
    & skf18("7","4","4","9","8","7","1") = "8"
    & skf18("7","4","4","9","8","8","1") = "8"
    & skf18("7","4","4","9","8","9","1") = "8"
    & skf18("7","4","4","9","8","10","1") = "9"
    & skf18("7","4","4","9","9","1","1") = "8"
    & skf18("7","4","4","9","9","2","1") = "8"
    & skf18("7","4","4","9","9","3","1") = "8"
    & skf18("7","4","4","9","9","4","1") = "8"
    & skf18("7","4","4","9","9","5","1") = "8"
    & skf18("7","4","4","9","9","6","1") = "8"
    & skf18("7","4","4","9","9","7","1") = "8"
    & skf18("7","4","4","9","9","8","1") = "8"
    & skf18("7","4","4","9","9","9","1") = "8"
    & skf18("7","4","4","9","9","10","1") = "9"
    & skf18("7","4","4","9","10","1","1") = "9"
    & skf18("7","4","4","9","10","2","1") = "9"
    & skf18("7","4","4","9","10","3","1") = "9"
    & skf18("7","4","4","9","10","4","1") = "9"
    & skf18("7","4","4","9","10","5","1") = "9"
    & skf18("7","4","4","9","10","6","1") = "9"
    & skf18("7","4","4","9","10","7","1") = "9"
    & skf18("7","4","4","9","10","8","1") = "9"
    & skf18("7","4","4","9","10","9","1") = "9"
    & skf18("7","4","4","9","10","10","1") = "9"
    & skf18("7","4","4","10","1","1","1") = "9"
    & skf18("7","4","4","10","1","2","1") = "9"
    & skf18("7","4","4","10","1","3","1") = "9"
    & skf18("7","4","4","10","1","4","1") = "9"
    & skf18("7","4","4","10","1","5","1") = "9"
    & skf18("7","4","4","10","1","6","1") = "9"
    & skf18("7","4","4","10","1","7","1") = "9"
    & skf18("7","4","4","10","1","8","1") = "9"
    & skf18("7","4","4","10","1","9","1") = "9"
    & skf18("7","4","4","10","1","10","1") = "9"
    & skf18("7","4","4","10","2","1","1") = "9"
    & skf18("7","4","4","10","2","2","1") = "9"
    & skf18("7","4","4","10","2","3","1") = "9"
    & skf18("7","4","4","10","2","4","1") = "9"
    & skf18("7","4","4","10","2","5","1") = "9"
    & skf18("7","4","4","10","2","6","1") = "9"
    & skf18("7","4","4","10","2","7","1") = "9"
    & skf18("7","4","4","10","2","8","1") = "9"
    & skf18("7","4","4","10","2","9","1") = "9"
    & skf18("7","4","4","10","2","10","1") = "9"
    & skf18("7","4","4","10","3","1","1") = "9"
    & skf18("7","4","4","10","3","2","1") = "9"
    & skf18("7","4","4","10","3","3","1") = "9"
    & skf18("7","4","4","10","3","4","1") = "9"
    & skf18("7","4","4","10","3","5","1") = "9"
    & skf18("7","4","4","10","3","6","1") = "9"
    & skf18("7","4","4","10","3","7","1") = "9"
    & skf18("7","4","4","10","3","8","1") = "9"
    & skf18("7","4","4","10","3","9","1") = "9"
    & skf18("7","4","4","10","3","10","1") = "9"
    & skf18("7","4","4","10","4","1","1") = "9"
    & skf18("7","4","4","10","4","2","1") = "9"
    & skf18("7","4","4","10","4","3","1") = "9"
    & skf18("7","4","4","10","4","4","1") = "9"
    & skf18("7","4","4","10","4","5","1") = "9"
    & skf18("7","4","4","10","4","6","1") = "9"
    & skf18("7","4","4","10","4","7","1") = "9"
    & skf18("7","4","4","10","4","8","1") = "9"
    & skf18("7","4","4","10","4","9","1") = "9"
    & skf18("7","4","4","10","4","10","1") = "9"
    & skf18("7","4","4","10","5","1","1") = "9"
    & skf18("7","4","4","10","5","2","1") = "9"
    & skf18("7","4","4","10","5","3","1") = "9"
    & skf18("7","4","4","10","5","4","1") = "9"
    & skf18("7","4","4","10","5","5","1") = "9"
    & skf18("7","4","4","10","5","6","1") = "9"
    & skf18("7","4","4","10","5","7","1") = "9"
    & skf18("7","4","4","10","5","8","1") = "9"
    & skf18("7","4","4","10","5","9","1") = "9"
    & skf18("7","4","4","10","5","10","1") = "9"
    & skf18("7","4","4","10","6","1","1") = "9"
    & skf18("7","4","4","10","6","2","1") = "9"
    & skf18("7","4","4","10","6","3","1") = "9"
    & skf18("7","4","4","10","6","4","1") = "9"
    & skf18("7","4","4","10","6","5","1") = "9"
    & skf18("7","4","4","10","6","6","1") = "9"
    & skf18("7","4","4","10","6","7","1") = "9"
    & skf18("7","4","4","10","6","8","1") = "9"
    & skf18("7","4","4","10","6","9","1") = "9"
    & skf18("7","4","4","10","6","10","1") = "9"
    & skf18("7","4","4","10","7","1","1") = "9"
    & skf18("7","4","4","10","7","2","1") = "9"
    & skf18("7","4","4","10","7","3","1") = "9"
    & skf18("7","4","4","10","7","4","1") = "9"
    & skf18("7","4","4","10","7","5","1") = "9"
    & skf18("7","4","4","10","7","6","1") = "9"
    & skf18("7","4","4","10","7","7","1") = "9"
    & skf18("7","4","4","10","7","8","1") = "9"
    & skf18("7","4","4","10","7","9","1") = "9"
    & skf18("7","4","4","10","7","10","1") = "9"
    & skf18("7","4","4","10","8","1","1") = "9"
    & skf18("7","4","4","10","8","2","1") = "9"
    & skf18("7","4","4","10","8","3","1") = "9"
    & skf18("7","4","4","10","8","4","1") = "9"
    & skf18("7","4","4","10","8","5","1") = "9"
    & skf18("7","4","4","10","8","6","1") = "9"
    & skf18("7","4","4","10","8","7","1") = "9"
    & skf18("7","4","4","10","8","8","1") = "9"
    & skf18("7","4","4","10","8","9","1") = "9"
    & skf18("7","4","4","10","8","10","1") = "9"
    & skf18("7","4","4","10","9","1","1") = "9"
    & skf18("7","4","4","10","9","2","1") = "9"
    & skf18("7","4","4","10","9","3","1") = "9"
    & skf18("7","4","4","10","9","4","1") = "9"
    & skf18("7","4","4","10","9","5","1") = "9"
    & skf18("7","4","4","10","9","6","1") = "9"
    & skf18("7","4","4","10","9","7","1") = "9"
    & skf18("7","4","4","10","9","8","1") = "9"
    & skf18("7","4","4","10","9","9","1") = "9"
    & skf18("7","4","4","10","9","10","1") = "9"
    & skf18("7","4","4","10","10","1","1") = "9"
    & skf18("7","4","4","10","10","2","1") = "9"
    & skf18("7","4","4","10","10","3","1") = "9"
    & skf18("7","4","4","10","10","4","1") = "9"
    & skf18("7","4","4","10","10","5","1") = "9"
    & skf18("7","4","4","10","10","6","1") = "9"
    & skf18("7","4","4","10","10","7","1") = "9"
    & skf18("7","4","4","10","10","8","1") = "9"
    & skf18("7","4","4","10","10","9","1") = "9"
    & skf18("7","4","4","10","10","10","1") = "9"
    & skf18("7","4","5","1","1","1","1") = "6"
    & skf18("7","4","5","1","1","2","1") = "6"
    & skf18("7","4","5","1","1","3","1") = "6"
    & skf18("7","4","5","1","1","4","1") = "6"
    & skf18("7","4","5","1","1","5","1") = "6"
    & skf18("7","4","5","1","1","6","1") = "6"
    & skf18("7","4","5","1","1","7","1") = "6"
    & skf18("7","4","5","1","1","8","1") = "7"
    & skf18("7","4","5","1","1","9","1") = "8"
    & skf18("7","4","5","1","1","10","1") = "9"
    & skf18("7","4","5","1","2","1","1") = "6"
    & skf18("7","4","5","1","2","2","1") = "6"
    & skf18("7","4","5","1","2","3","1") = "6"
    & skf18("7","4","5","1","2","4","1") = "6"
    & skf18("7","4","5","1","2","5","1") = "6"
    & skf18("7","4","5","1","2","6","1") = "6"
    & skf18("7","4","5","1","2","7","1") = "6"
    & skf18("7","4","5","1","2","8","1") = "7"
    & skf18("7","4","5","1","2","9","1") = "8"
    & skf18("7","4","5","1","2","10","1") = "9"
    & skf18("7","4","5","1","3","1","1") = "6"
    & skf18("7","4","5","1","3","2","1") = "6"
    & skf18("7","4","5","1","3","3","1") = "6"
    & skf18("7","4","5","1","3","4","1") = "6"
    & skf18("7","4","5","1","3","5","1") = "6"
    & skf18("7","4","5","1","3","6","1") = "6"
    & skf18("7","4","5","1","3","7","1") = "6"
    & skf18("7","4","5","1","3","8","1") = "7"
    & skf18("7","4","5","1","3","9","1") = "8"
    & skf18("7","4","5","1","3","10","1") = "9"
    & skf18("7","4","5","1","4","1","1") = "6"
    & skf18("7","4","5","1","4","2","1") = "6"
    & skf18("7","4","5","1","4","3","1") = "6"
    & skf18("7","4","5","1","4","4","1") = "6"
    & skf18("7","4","5","1","4","5","1") = "6"
    & skf18("7","4","5","1","4","6","1") = "6"
    & skf18("7","4","5","1","4","7","1") = "6"
    & skf18("7","4","5","1","4","8","1") = "7"
    & skf18("7","4","5","1","4","9","1") = "8"
    & skf18("7","4","5","1","4","10","1") = "9"
    & skf18("7","4","5","1","5","1","1") = "6"
    & skf18("7","4","5","1","5","2","1") = "6"
    & skf18("7","4","5","1","5","3","1") = "6"
    & skf18("7","4","5","1","5","4","1") = "6"
    & skf18("7","4","5","1","5","5","1") = "6"
    & skf18("7","4","5","1","5","6","1") = "6"
    & skf18("7","4","5","1","5","7","1") = "6"
    & skf18("7","4","5","1","5","8","1") = "7"
    & skf18("7","4","5","1","5","9","1") = "8"
    & skf18("7","4","5","1","5","10","1") = "9"
    & skf18("7","4","5","1","6","1","1") = "6"
    & skf18("7","4","5","1","6","2","1") = "6"
    & skf18("7","4","5","1","6","3","1") = "6"
    & skf18("7","4","5","1","6","4","1") = "6"
    & skf18("7","4","5","1","6","5","1") = "6"
    & skf18("7","4","5","1","6","6","1") = "6"
    & skf18("7","4","5","1","6","7","1") = "6"
    & skf18("7","4","5","1","6","8","1") = "7"
    & skf18("7","4","5","1","6","9","1") = "8"
    & skf18("7","4","5","1","6","10","1") = "9"
    & skf18("7","4","5","1","7","1","1") = "6"
    & skf18("7","4","5","1","7","2","1") = "6"
    & skf18("7","4","5","1","7","3","1") = "6"
    & skf18("7","4","5","1","7","4","1") = "6"
    & skf18("7","4","5","1","7","5","1") = "6"
    & skf18("7","4","5","1","7","6","1") = "6"
    & skf18("7","4","5","1","7","7","1") = "6"
    & skf18("7","4","5","1","7","8","1") = "7"
    & skf18("7","4","5","1","7","9","1") = "8"
    & skf18("7","4","5","1","7","10","1") = "9"
    & skf18("7","4","5","1","8","1","1") = "7"
    & skf18("7","4","5","1","8","2","1") = "7"
    & skf18("7","4","5","1","8","3","1") = "7"
    & skf18("7","4","5","1","8","4","1") = "7"
    & skf18("7","4","5","1","8","5","1") = "7"
    & skf18("7","4","5","1","8","6","1") = "7"
    & skf18("7","4","5","1","8","7","1") = "7"
    & skf18("7","4","5","1","8","8","1") = "7"
    & skf18("7","4","5","1","8","9","1") = "8"
    & skf18("7","4","5","1","8","10","1") = "9"
    & skf18("7","4","5","1","9","1","1") = "8"
    & skf18("7","4","5","1","9","2","1") = "8"
    & skf18("7","4","5","1","9","3","1") = "8"
    & skf18("7","4","5","1","9","4","1") = "8"
    & skf18("7","4","5","1","9","5","1") = "8"
    & skf18("7","4","5","1","9","6","1") = "8"
    & skf18("7","4","5","1","9","7","1") = "8"
    & skf18("7","4","5","1","9","8","1") = "8"
    & skf18("7","4","5","1","9","9","1") = "8"
    & skf18("7","4","5","1","9","10","1") = "9"
    & skf18("7","4","5","1","10","1","1") = "9"
    & skf18("7","4","5","1","10","2","1") = "9"
    & skf18("7","4","5","1","10","3","1") = "9"
    & skf18("7","4","5","1","10","4","1") = "9"
    & skf18("7","4","5","1","10","5","1") = "9"
    & skf18("7","4","5","1","10","6","1") = "9"
    & skf18("7","4","5","1","10","7","1") = "9"
    & skf18("7","4","5","1","10","8","1") = "9"
    & skf18("7","4","5","1","10","9","1") = "9"
    & skf18("7","4","5","1","10","10","1") = "9"
    & skf18("7","4","5","2","1","1","1") = "6"
    & skf18("7","4","5","2","1","2","1") = "6"
    & skf18("7","4","5","2","1","3","1") = "6"
    & skf18("7","4","5","2","1","4","1") = "6"
    & skf18("7","4","5","2","1","5","1") = "6"
    & skf18("7","4","5","2","1","6","1") = "6"
    & skf18("7","4","5","2","1","7","1") = "6"
    & skf18("7","4","5","2","1","8","1") = "7"
    & skf18("7","4","5","2","1","9","1") = "8"
    & skf18("7","4","5","2","1","10","1") = "9"
    & skf18("7","4","5","2","2","1","1") = "6"
    & skf18("7","4","5","2","2","2","1") = "6"
    & skf18("7","4","5","2","2","3","1") = "6"
    & skf18("7","4","5","2","2","4","1") = "6"
    & skf18("7","4","5","2","2","5","1") = "6"
    & skf18("7","4","5","2","2","6","1") = "6"
    & skf18("7","4","5","2","2","7","1") = "6"
    & skf18("7","4","5","2","2","8","1") = "7"
    & skf18("7","4","5","2","2","9","1") = "8"
    & skf18("7","4","5","2","2","10","1") = "9"
    & skf18("7","4","5","2","3","1","1") = "6"
    & skf18("7","4","5","2","3","2","1") = "6"
    & skf18("7","4","5","2","3","3","1") = "6"
    & skf18("7","4","5","2","3","4","1") = "6"
    & skf18("7","4","5","2","3","5","1") = "6"
    & skf18("7","4","5","2","3","6","1") = "6"
    & skf18("7","4","5","2","3","7","1") = "6"
    & skf18("7","4","5","2","3","8","1") = "7"
    & skf18("7","4","5","2","3","9","1") = "8"
    & skf18("7","4","5","2","3","10","1") = "9"
    & skf18("7","4","5","2","4","1","1") = "6"
    & skf18("7","4","5","2","4","2","1") = "6"
    & skf18("7","4","5","2","4","3","1") = "6"
    & skf18("7","4","5","2","4","4","1") = "6"
    & skf18("7","4","5","2","4","5","1") = "6"
    & skf18("7","4","5","2","4","6","1") = "6"
    & skf18("7","4","5","2","4","7","1") = "6"
    & skf18("7","4","5","2","4","8","1") = "7"
    & skf18("7","4","5","2","4","9","1") = "8"
    & skf18("7","4","5","2","4","10","1") = "9"
    & skf18("7","4","5","2","5","1","1") = "6"
    & skf18("7","4","5","2","5","2","1") = "6"
    & skf18("7","4","5","2","5","3","1") = "6"
    & skf18("7","4","5","2","5","4","1") = "6"
    & skf18("7","4","5","2","5","5","1") = "6"
    & skf18("7","4","5","2","5","6","1") = "6"
    & skf18("7","4","5","2","5","7","1") = "6"
    & skf18("7","4","5","2","5","8","1") = "7"
    & skf18("7","4","5","2","5","9","1") = "8"
    & skf18("7","4","5","2","5","10","1") = "9"
    & skf18("7","4","5","2","6","1","1") = "6"
    & skf18("7","4","5","2","6","2","1") = "6"
    & skf18("7","4","5","2","6","3","1") = "6"
    & skf18("7","4","5","2","6","4","1") = "6"
    & skf18("7","4","5","2","6","5","1") = "6"
    & skf18("7","4","5","2","6","6","1") = "6"
    & skf18("7","4","5","2","6","7","1") = "6"
    & skf18("7","4","5","2","6","8","1") = "7"
    & skf18("7","4","5","2","6","9","1") = "8"
    & skf18("7","4","5","2","6","10","1") = "9"
    & skf18("7","4","5","2","7","1","1") = "6"
    & skf18("7","4","5","2","7","2","1") = "6"
    & skf18("7","4","5","2","7","3","1") = "6"
    & skf18("7","4","5","2","7","4","1") = "6"
    & skf18("7","4","5","2","7","5","1") = "6"
    & skf18("7","4","5","2","7","6","1") = "6"
    & skf18("7","4","5","2","7","7","1") = "6"
    & skf18("7","4","5","2","7","8","1") = "7"
    & skf18("7","4","5","2","7","9","1") = "8"
    & skf18("7","4","5","2","7","10","1") = "9"
    & skf18("7","4","5","2","8","1","1") = "7"
    & skf18("7","4","5","2","8","2","1") = "7"
    & skf18("7","4","5","2","8","3","1") = "7"
    & skf18("7","4","5","2","8","4","1") = "7"
    & skf18("7","4","5","2","8","5","1") = "7"
    & skf18("7","4","5","2","8","6","1") = "7"
    & skf18("7","4","5","2","8","7","1") = "7"
    & skf18("7","4","5","2","8","8","1") = "7"
    & skf18("7","4","5","2","8","9","1") = "8"
    & skf18("7","4","5","2","8","10","1") = "9"
    & skf18("7","4","5","2","9","1","1") = "8"
    & skf18("7","4","5","2","9","2","1") = "8"
    & skf18("7","4","5","2","9","3","1") = "8"
    & skf18("7","4","5","2","9","4","1") = "8"
    & skf18("7","4","5","2","9","5","1") = "8"
    & skf18("7","4","5","2","9","6","1") = "8"
    & skf18("7","4","5","2","9","7","1") = "8"
    & skf18("7","4","5","2","9","8","1") = "8"
    & skf18("7","4","5","2","9","9","1") = "8"
    & skf18("7","4","5","2","9","10","1") = "9"
    & skf18("7","4","5","2","10","1","1") = "9"
    & skf18("7","4","5","2","10","2","1") = "9"
    & skf18("7","4","5","2","10","3","1") = "9"
    & skf18("7","4","5","2","10","4","1") = "9"
    & skf18("7","4","5","2","10","5","1") = "9"
    & skf18("7","4","5","2","10","6","1") = "9"
    & skf18("7","4","5","2","10","7","1") = "9"
    & skf18("7","4","5","2","10","8","1") = "9"
    & skf18("7","4","5","2","10","9","1") = "9"
    & skf18("7","4","5","2","10","10","1") = "9"
    & skf18("7","4","5","3","1","1","1") = "6"
    & skf18("7","4","5","3","1","2","1") = "6"
    & skf18("7","4","5","3","1","3","1") = "6"
    & skf18("7","4","5","3","1","4","1") = "6"
    & skf18("7","4","5","3","1","5","1") = "6"
    & skf18("7","4","5","3","1","6","1") = "6"
    & skf18("7","4","5","3","1","7","1") = "6"
    & skf18("7","4","5","3","1","8","1") = "7"
    & skf18("7","4","5","3","1","9","1") = "8"
    & skf18("7","4","5","3","1","10","1") = "9"
    & skf18("7","4","5","3","2","1","1") = "6"
    & skf18("7","4","5","3","2","2","1") = "6"
    & skf18("7","4","5","3","2","3","1") = "6"
    & skf18("7","4","5","3","2","4","1") = "6"
    & skf18("7","4","5","3","2","5","1") = "6"
    & skf18("7","4","5","3","2","6","1") = "6"
    & skf18("7","4","5","3","2","7","1") = "6"
    & skf18("7","4","5","3","2","8","1") = "7"
    & skf18("7","4","5","3","2","9","1") = "8"
    & skf18("7","4","5","3","2","10","1") = "9"
    & skf18("7","4","5","3","3","1","1") = "6"
    & skf18("7","4","5","3","3","2","1") = "6"
    & skf18("7","4","5","3","3","3","1") = "6"
    & skf18("7","4","5","3","3","4","1") = "6"
    & skf18("7","4","5","3","3","5","1") = "6"
    & skf18("7","4","5","3","3","6","1") = "6"
    & skf18("7","4","5","3","3","7","1") = "6"
    & skf18("7","4","5","3","3","8","1") = "7"
    & skf18("7","4","5","3","3","9","1") = "8"
    & skf18("7","4","5","3","3","10","1") = "9"
    & skf18("7","4","5","3","4","1","1") = "6"
    & skf18("7","4","5","3","4","2","1") = "6"
    & skf18("7","4","5","3","4","3","1") = "6"
    & skf18("7","4","5","3","4","4","1") = "6"
    & skf18("7","4","5","3","4","5","1") = "6"
    & skf18("7","4","5","3","4","6","1") = "6"
    & skf18("7","4","5","3","4","7","1") = "6"
    & skf18("7","4","5","3","4","8","1") = "7"
    & skf18("7","4","5","3","4","9","1") = "8"
    & skf18("7","4","5","3","4","10","1") = "9"
    & skf18("7","4","5","3","5","1","1") = "6"
    & skf18("7","4","5","3","5","2","1") = "6"
    & skf18("7","4","5","3","5","3","1") = "6"
    & skf18("7","4","5","3","5","4","1") = "6"
    & skf18("7","4","5","3","5","5","1") = "6"
    & skf18("7","4","5","3","5","6","1") = "6"
    & skf18("7","4","5","3","5","7","1") = "6"
    & skf18("7","4","5","3","5","8","1") = "7"
    & skf18("7","4","5","3","5","9","1") = "8"
    & skf18("7","4","5","3","5","10","1") = "9"
    & skf18("7","4","5","3","6","1","1") = "6"
    & skf18("7","4","5","3","6","2","1") = "6"
    & skf18("7","4","5","3","6","3","1") = "6"
    & skf18("7","4","5","3","6","4","1") = "6"
    & skf18("7","4","5","3","6","5","1") = "6"
    & skf18("7","4","5","3","6","6","1") = "6"
    & skf18("7","4","5","3","6","7","1") = "6"
    & skf18("7","4","5","3","6","8","1") = "7"
    & skf18("7","4","5","3","6","9","1") = "8"
    & skf18("7","4","5","3","6","10","1") = "9"
    & skf18("7","4","5","3","7","1","1") = "6"
    & skf18("7","4","5","3","7","2","1") = "6"
    & skf18("7","4","5","3","7","3","1") = "6"
    & skf18("7","4","5","3","7","4","1") = "6"
    & skf18("7","4","5","3","7","5","1") = "6"
    & skf18("7","4","5","3","7","6","1") = "6"
    & skf18("7","4","5","3","7","7","1") = "6"
    & skf18("7","4","5","3","7","8","1") = "7"
    & skf18("7","4","5","3","7","9","1") = "8"
    & skf18("7","4","5","3","7","10","1") = "9"
    & skf18("7","4","5","3","8","1","1") = "7"
    & skf18("7","4","5","3","8","2","1") = "7"
    & skf18("7","4","5","3","8","3","1") = "7"
    & skf18("7","4","5","3","8","4","1") = "7"
    & skf18("7","4","5","3","8","5","1") = "7"
    & skf18("7","4","5","3","8","6","1") = "7"
    & skf18("7","4","5","3","8","7","1") = "7"
    & skf18("7","4","5","3","8","8","1") = "7"
    & skf18("7","4","5","3","8","9","1") = "8"
    & skf18("7","4","5","3","8","10","1") = "9"
    & skf18("7","4","5","3","9","1","1") = "8"
    & skf18("7","4","5","3","9","2","1") = "8"
    & skf18("7","4","5","3","9","3","1") = "8"
    & skf18("7","4","5","3","9","4","1") = "8"
    & skf18("7","4","5","3","9","5","1") = "8"
    & skf18("7","4","5","3","9","6","1") = "8"
    & skf18("7","4","5","3","9","7","1") = "8"
    & skf18("7","4","5","3","9","8","1") = "8"
    & skf18("7","4","5","3","9","9","1") = "8"
    & skf18("7","4","5","3","9","10","1") = "9"
    & skf18("7","4","5","3","10","1","1") = "9"
    & skf18("7","4","5","3","10","2","1") = "9"
    & skf18("7","4","5","3","10","3","1") = "9"
    & skf18("7","4","5","3","10","4","1") = "9"
    & skf18("7","4","5","3","10","5","1") = "9"
    & skf18("7","4","5","3","10","6","1") = "9"
    & skf18("7","4","5","3","10","7","1") = "9"
    & skf18("7","4","5","3","10","8","1") = "9"
    & skf18("7","4","5","3","10","9","1") = "9"
    & skf18("7","4","5","3","10","10","1") = "9"
    & skf18("7","4","5","4","1","1","1") = "6"
    & skf18("7","4","5","4","1","2","1") = "6"
    & skf18("7","4","5","4","1","3","1") = "6"
    & skf18("7","4","5","4","1","4","1") = "6"
    & skf18("7","4","5","4","1","5","1") = "6"
    & skf18("7","4","5","4","1","6","1") = "6"
    & skf18("7","4","5","4","1","7","1") = "6"
    & skf18("7","4","5","4","1","8","1") = "7"
    & skf18("7","4","5","4","1","9","1") = "8"
    & skf18("7","4","5","4","1","10","1") = "9"
    & skf18("7","4","5","4","2","1","1") = "6"
    & skf18("7","4","5","4","2","2","1") = "6"
    & skf18("7","4","5","4","2","3","1") = "6"
    & skf18("7","4","5","4","2","4","1") = "6"
    & skf18("7","4","5","4","2","5","1") = "6"
    & skf18("7","4","5","4","2","6","1") = "6"
    & skf18("7","4","5","4","2","7","1") = "6"
    & skf18("7","4","5","4","2","8","1") = "7"
    & skf18("7","4","5","4","2","9","1") = "8"
    & skf18("7","4","5","4","2","10","1") = "9"
    & skf18("7","4","5","4","3","1","1") = "6"
    & skf18("7","4","5","4","3","2","1") = "6"
    & skf18("7","4","5","4","3","3","1") = "6"
    & skf18("7","4","5","4","3","4","1") = "6"
    & skf18("7","4","5","4","3","5","1") = "6"
    & skf18("7","4","5","4","3","6","1") = "6"
    & skf18("7","4","5","4","3","7","1") = "6"
    & skf18("7","4","5","4","3","8","1") = "7"
    & skf18("7","4","5","4","3","9","1") = "8"
    & skf18("7","4","5","4","3","10","1") = "9"
    & skf18("7","4","5","4","4","1","1") = "6"
    & skf18("7","4","5","4","4","2","1") = "6"
    & skf18("7","4","5","4","4","3","1") = "6"
    & skf18("7","4","5","4","4","4","1") = "6"
    & skf18("7","4","5","4","4","5","1") = "6"
    & skf18("7","4","5","4","4","6","1") = "6"
    & skf18("7","4","5","4","4","7","1") = "6"
    & skf18("7","4","5","4","4","8","1") = "7"
    & skf18("7","4","5","4","4","9","1") = "8"
    & skf18("7","4","5","4","4","10","1") = "9"
    & skf18("7","4","5","4","5","1","1") = "6"
    & skf18("7","4","5","4","5","2","1") = "6"
    & skf18("7","4","5","4","5","3","1") = "6"
    & skf18("7","4","5","4","5","4","1") = "6"
    & skf18("7","4","5","4","5","5","1") = "6"
    & skf18("7","4","5","4","5","6","1") = "6"
    & skf18("7","4","5","4","5","7","1") = "6"
    & skf18("7","4","5","4","5","8","1") = "7"
    & skf18("7","4","5","4","5","9","1") = "8"
    & skf18("7","4","5","4","5","10","1") = "9"
    & skf18("7","4","5","4","6","1","1") = "6"
    & skf18("7","4","5","4","6","2","1") = "6"
    & skf18("7","4","5","4","6","3","1") = "6"
    & skf18("7","4","5","4","6","4","1") = "6"
    & skf18("7","4","5","4","6","5","1") = "6"
    & skf18("7","4","5","4","6","6","1") = "6"
    & skf18("7","4","5","4","6","7","1") = "6"
    & skf18("7","4","5","4","6","8","1") = "7"
    & skf18("7","4","5","4","6","9","1") = "8"
    & skf18("7","4","5","4","6","10","1") = "9"
    & skf18("7","4","5","4","7","1","1") = "6"
    & skf18("7","4","5","4","7","2","1") = "6"
    & skf18("7","4","5","4","7","3","1") = "6"
    & skf18("7","4","5","4","7","4","1") = "6"
    & skf18("7","4","5","4","7","5","1") = "6"
    & skf18("7","4","5","4","7","6","1") = "6"
    & skf18("7","4","5","4","7","7","1") = "6"
    & skf18("7","4","5","4","7","8","1") = "7"
    & skf18("7","4","5","4","7","9","1") = "8"
    & skf18("7","4","5","4","7","10","1") = "9"
    & skf18("7","4","5","4","8","1","1") = "7"
    & skf18("7","4","5","4","8","2","1") = "7"
    & skf18("7","4","5","4","8","3","1") = "7"
    & skf18("7","4","5","4","8","4","1") = "7"
    & skf18("7","4","5","4","8","5","1") = "7"
    & skf18("7","4","5","4","8","6","1") = "7"
    & skf18("7","4","5","4","8","7","1") = "7"
    & skf18("7","4","5","4","8","8","1") = "7"
    & skf18("7","4","5","4","8","9","1") = "8"
    & skf18("7","4","5","4","8","10","1") = "9"
    & skf18("7","4","5","4","9","1","1") = "8"
    & skf18("7","4","5","4","9","2","1") = "8"
    & skf18("7","4","5","4","9","3","1") = "8"
    & skf18("7","4","5","4","9","4","1") = "8"
    & skf18("7","4","5","4","9","5","1") = "8"
    & skf18("7","4","5","4","9","6","1") = "8"
    & skf18("7","4","5","4","9","7","1") = "8"
    & skf18("7","4","5","4","9","8","1") = "8"
    & skf18("7","4","5","4","9","9","1") = "8"
    & skf18("7","4","5","4","9","10","1") = "9"
    & skf18("7","4","5","4","10","1","1") = "9"
    & skf18("7","4","5","4","10","2","1") = "9"
    & skf18("7","4","5","4","10","3","1") = "9"
    & skf18("7","4","5","4","10","4","1") = "9"
    & skf18("7","4","5","4","10","5","1") = "9"
    & skf18("7","4","5","4","10","6","1") = "9"
    & skf18("7","4","5","4","10","7","1") = "9"
    & skf18("7","4","5","4","10","8","1") = "9"
    & skf18("7","4","5","4","10","9","1") = "9"
    & skf18("7","4","5","4","10","10","1") = "9"
    & skf18("7","4","5","5","1","1","1") = "6"
    & skf18("7","4","5","5","1","2","1") = "6"
    & skf18("7","4","5","5","1","3","1") = "6"
    & skf18("7","4","5","5","1","4","1") = "6"
    & skf18("7","4","5","5","1","5","1") = "6"
    & skf18("7","4","5","5","1","6","1") = "6"
    & skf18("7","4","5","5","1","7","1") = "6"
    & skf18("7","4","5","5","1","8","1") = "7"
    & skf18("7","4","5","5","1","9","1") = "8"
    & skf18("7","4","5","5","1","10","1") = "9"
    & skf18("7","4","5","5","2","1","1") = "6"
    & skf18("7","4","5","5","2","2","1") = "6"
    & skf18("7","4","5","5","2","3","1") = "6"
    & skf18("7","4","5","5","2","4","1") = "6"
    & skf18("7","4","5","5","2","5","1") = "6"
    & skf18("7","4","5","5","2","6","1") = "6"
    & skf18("7","4","5","5","2","7","1") = "6"
    & skf18("7","4","5","5","2","8","1") = "7"
    & skf18("7","4","5","5","2","9","1") = "8"
    & skf18("7","4","5","5","2","10","1") = "9"
    & skf18("7","4","5","5","3","1","1") = "6"
    & skf18("7","4","5","5","3","2","1") = "6"
    & skf18("7","4","5","5","3","3","1") = "6"
    & skf18("7","4","5","5","3","4","1") = "6"
    & skf18("7","4","5","5","3","5","1") = "6"
    & skf18("7","4","5","5","3","6","1") = "6"
    & skf18("7","4","5","5","3","7","1") = "6"
    & skf18("7","4","5","5","3","8","1") = "7"
    & skf18("7","4","5","5","3","9","1") = "8"
    & skf18("7","4","5","5","3","10","1") = "9"
    & skf18("7","4","5","5","4","1","1") = "6"
    & skf18("7","4","5","5","4","2","1") = "6"
    & skf18("7","4","5","5","4","3","1") = "6"
    & skf18("7","4","5","5","4","4","1") = "6"
    & skf18("7","4","5","5","4","5","1") = "6"
    & skf18("7","4","5","5","4","6","1") = "6"
    & skf18("7","4","5","5","4","7","1") = "6"
    & skf18("7","4","5","5","4","8","1") = "7"
    & skf18("7","4","5","5","4","9","1") = "8"
    & skf18("7","4","5","5","4","10","1") = "9"
    & skf18("7","4","5","5","5","1","1") = "6"
    & skf18("7","4","5","5","5","2","1") = "6"
    & skf18("7","4","5","5","5","3","1") = "6"
    & skf18("7","4","5","5","5","4","1") = "6"
    & skf18("7","4","5","5","5","5","1") = "6"
    & skf18("7","4","5","5","5","6","1") = "6"
    & skf18("7","4","5","5","5","7","1") = "6"
    & skf18("7","4","5","5","5","8","1") = "7"
    & skf18("7","4","5","5","5","9","1") = "8"
    & skf18("7","4","5","5","5","10","1") = "9"
    & skf18("7","4","5","5","6","1","1") = "6"
    & skf18("7","4","5","5","6","2","1") = "6"
    & skf18("7","4","5","5","6","3","1") = "6"
    & skf18("7","4","5","5","6","4","1") = "6"
    & skf18("7","4","5","5","6","5","1") = "6"
    & skf18("7","4","5","5","6","6","1") = "6"
    & skf18("7","4","5","5","6","7","1") = "6"
    & skf18("7","4","5","5","6","8","1") = "7"
    & skf18("7","4","5","5","6","9","1") = "8"
    & skf18("7","4","5","5","6","10","1") = "9"
    & skf18("7","4","5","5","7","1","1") = "6"
    & skf18("7","4","5","5","7","2","1") = "6"
    & skf18("7","4","5","5","7","3","1") = "6"
    & skf18("7","4","5","5","7","4","1") = "6"
    & skf18("7","4","5","5","7","5","1") = "6"
    & skf18("7","4","5","5","7","6","1") = "6"
    & skf18("7","4","5","5","7","7","1") = "6"
    & skf18("7","4","5","5","7","8","1") = "7"
    & skf18("7","4","5","5","7","9","1") = "8"
    & skf18("7","4","5","5","7","10","1") = "9"
    & skf18("7","4","5","5","8","1","1") = "7"
    & skf18("7","4","5","5","8","2","1") = "7"
    & skf18("7","4","5","5","8","3","1") = "7"
    & skf18("7","4","5","5","8","4","1") = "7"
    & skf18("7","4","5","5","8","5","1") = "7"
    & skf18("7","4","5","5","8","6","1") = "7"
    & skf18("7","4","5","5","8","7","1") = "7"
    & skf18("7","4","5","5","8","8","1") = "7"
    & skf18("7","4","5","5","8","9","1") = "8"
    & skf18("7","4","5","5","8","10","1") = "9"
    & skf18("7","4","5","5","9","1","1") = "8"
    & skf18("7","4","5","5","9","2","1") = "8"
    & skf18("7","4","5","5","9","3","1") = "8"
    & skf18("7","4","5","5","9","4","1") = "8"
    & skf18("7","4","5","5","9","5","1") = "8"
    & skf18("7","4","5","5","9","6","1") = "8"
    & skf18("7","4","5","5","9","7","1") = "8"
    & skf18("7","4","5","5","9","8","1") = "8"
    & skf18("7","4","5","5","9","9","1") = "8"
    & skf18("7","4","5","5","9","10","1") = "9"
    & skf18("7","4","5","5","10","1","1") = "9"
    & skf18("7","4","5","5","10","2","1") = "9"
    & skf18("7","4","5","5","10","3","1") = "9"
    & skf18("7","4","5","5","10","4","1") = "9"
    & skf18("7","4","5","5","10","5","1") = "9"
    & skf18("7","4","5","5","10","6","1") = "9"
    & skf18("7","4","5","5","10","7","1") = "9"
    & skf18("7","4","5","5","10","8","1") = "9"
    & skf18("7","4","5","5","10","9","1") = "9"
    & skf18("7","4","5","5","10","10","1") = "9"
    & skf18("7","4","5","6","1","1","1") = "6"
    & skf18("7","4","5","6","1","2","1") = "6"
    & skf18("7","4","5","6","1","3","1") = "6"
    & skf18("7","4","5","6","1","4","1") = "6"
    & skf18("7","4","5","6","1","5","1") = "6"
    & skf18("7","4","5","6","1","6","1") = "6"
    & skf18("7","4","5","6","1","7","1") = "6"
    & skf18("7","4","5","6","1","8","1") = "7"
    & skf18("7","4","5","6","1","9","1") = "8"
    & skf18("7","4","5","6","1","10","1") = "9"
    & skf18("7","4","5","6","2","1","1") = "6"
    & skf18("7","4","5","6","2","2","1") = "6"
    & skf18("7","4","5","6","2","3","1") = "6"
    & skf18("7","4","5","6","2","4","1") = "6"
    & skf18("7","4","5","6","2","5","1") = "6"
    & skf18("7","4","5","6","2","6","1") = "6"
    & skf18("7","4","5","6","2","7","1") = "6"
    & skf18("7","4","5","6","2","8","1") = "7"
    & skf18("7","4","5","6","2","9","1") = "8"
    & skf18("7","4","5","6","2","10","1") = "9"
    & skf18("7","4","5","6","3","1","1") = "6"
    & skf18("7","4","5","6","3","2","1") = "6"
    & skf18("7","4","5","6","3","3","1") = "6"
    & skf18("7","4","5","6","3","4","1") = "6"
    & skf18("7","4","5","6","3","5","1") = "6"
    & skf18("7","4","5","6","3","6","1") = "6"
    & skf18("7","4","5","6","3","7","1") = "6"
    & skf18("7","4","5","6","3","8","1") = "7"
    & skf18("7","4","5","6","3","9","1") = "8"
    & skf18("7","4","5","6","3","10","1") = "9"
    & skf18("7","4","5","6","4","1","1") = "6"
    & skf18("7","4","5","6","4","2","1") = "6"
    & skf18("7","4","5","6","4","3","1") = "6"
    & skf18("7","4","5","6","4","4","1") = "6"
    & skf18("7","4","5","6","4","5","1") = "6"
    & skf18("7","4","5","6","4","6","1") = "6"
    & skf18("7","4","5","6","4","7","1") = "6"
    & skf18("7","4","5","6","4","8","1") = "7"
    & skf18("7","4","5","6","4","9","1") = "8"
    & skf18("7","4","5","6","4","10","1") = "9"
    & skf18("7","4","5","6","5","1","1") = "6"
    & skf18("7","4","5","6","5","2","1") = "6"
    & skf18("7","4","5","6","5","3","1") = "6"
    & skf18("7","4","5","6","5","4","1") = "6"
    & skf18("7","4","5","6","5","5","1") = "6"
    & skf18("7","4","5","6","5","6","1") = "6"
    & skf18("7","4","5","6","5","7","1") = "6"
    & skf18("7","4","5","6","5","8","1") = "7"
    & skf18("7","4","5","6","5","9","1") = "8"
    & skf18("7","4","5","6","5","10","1") = "9"
    & skf18("7","4","5","6","6","1","1") = "6"
    & skf18("7","4","5","6","6","2","1") = "6"
    & skf18("7","4","5","6","6","3","1") = "6"
    & skf18("7","4","5","6","6","4","1") = "6"
    & skf18("7","4","5","6","6","5","1") = "6"
    & skf18("7","4","5","6","6","6","1") = "6"
    & skf18("7","4","5","6","6","7","1") = "6"
    & skf18("7","4","5","6","6","8","1") = "7"
    & skf18("7","4","5","6","6","9","1") = "8"
    & skf18("7","4","5","6","6","10","1") = "9"
    & skf18("7","4","5","6","7","1","1") = "6"
    & skf18("7","4","5","6","7","2","1") = "6"
    & skf18("7","4","5","6","7","3","1") = "6"
    & skf18("7","4","5","6","7","4","1") = "6"
    & skf18("7","4","5","6","7","5","1") = "6"
    & skf18("7","4","5","6","7","6","1") = "6"
    & skf18("7","4","5","6","7","7","1") = "6"
    & skf18("7","4","5","6","7","8","1") = "7"
    & skf18("7","4","5","6","7","9","1") = "8"
    & skf18("7","4","5","6","7","10","1") = "9"
    & skf18("7","4","5","6","8","1","1") = "7"
    & skf18("7","4","5","6","8","2","1") = "7"
    & skf18("7","4","5","6","8","3","1") = "7"
    & skf18("7","4","5","6","8","4","1") = "7"
    & skf18("7","4","5","6","8","5","1") = "7"
    & skf18("7","4","5","6","8","6","1") = "7"
    & skf18("7","4","5","6","8","7","1") = "7"
    & skf18("7","4","5","6","8","8","1") = "7"
    & skf18("7","4","5","6","8","9","1") = "8"
    & skf18("7","4","5","6","8","10","1") = "9"
    & skf18("7","4","5","6","9","1","1") = "8"
    & skf18("7","4","5","6","9","2","1") = "8"
    & skf18("7","4","5","6","9","3","1") = "8"
    & skf18("7","4","5","6","9","4","1") = "8"
    & skf18("7","4","5","6","9","5","1") = "8"
    & skf18("7","4","5","6","9","6","1") = "8"
    & skf18("7","4","5","6","9","7","1") = "8"
    & skf18("7","4","5","6","9","8","1") = "8"
    & skf18("7","4","5","6","9","9","1") = "8"
    & skf18("7","4","5","6","9","10","1") = "9"
    & skf18("7","4","5","6","10","1","1") = "9"
    & skf18("7","4","5","6","10","2","1") = "9"
    & skf18("7","4","5","6","10","3","1") = "9"
    & skf18("7","4","5","6","10","4","1") = "9"
    & skf18("7","4","5","6","10","5","1") = "9"
    & skf18("7","4","5","6","10","6","1") = "9"
    & skf18("7","4","5","6","10","7","1") = "9"
    & skf18("7","4","5","6","10","8","1") = "9"
    & skf18("7","4","5","6","10","9","1") = "9"
    & skf18("7","4","5","6","10","10","1") = "9"
    & skf18("7","4","5","7","1","1","1") = "6"
    & skf18("7","4","5","7","1","2","1") = "6"
    & skf18("7","4","5","7","1","3","1") = "6"
    & skf18("7","4","5","7","1","4","1") = "6"
    & skf18("7","4","5","7","1","5","1") = "6"
    & skf18("7","4","5","7","1","6","1") = "6"
    & skf18("7","4","5","7","1","7","1") = "6"
    & skf18("7","4","5","7","1","8","1") = "7"
    & skf18("7","4","5","7","1","9","1") = "8"
    & skf18("7","4","5","7","1","10","1") = "9"
    & skf18("7","4","5","7","2","1","1") = "6"
    & skf18("7","4","5","7","2","2","1") = "6"
    & skf18("7","4","5","7","2","3","1") = "6"
    & skf18("7","4","5","7","2","4","1") = "6"
    & skf18("7","4","5","7","2","5","1") = "6"
    & skf18("7","4","5","7","2","6","1") = "6"
    & skf18("7","4","5","7","2","7","1") = "6"
    & skf18("7","4","5","7","2","8","1") = "7"
    & skf18("7","4","5","7","2","9","1") = "8"
    & skf18("7","4","5","7","2","10","1") = "9"
    & skf18("7","4","5","7","3","1","1") = "6"
    & skf18("7","4","5","7","3","2","1") = "6"
    & skf18("7","4","5","7","3","3","1") = "6"
    & skf18("7","4","5","7","3","4","1") = "6"
    & skf18("7","4","5","7","3","5","1") = "6"
    & skf18("7","4","5","7","3","6","1") = "6"
    & skf18("7","4","5","7","3","7","1") = "6"
    & skf18("7","4","5","7","3","8","1") = "7"
    & skf18("7","4","5","7","3","9","1") = "8"
    & skf18("7","4","5","7","3","10","1") = "9"
    & skf18("7","4","5","7","4","1","1") = "6"
    & skf18("7","4","5","7","4","2","1") = "6"
    & skf18("7","4","5","7","4","3","1") = "6"
    & skf18("7","4","5","7","4","4","1") = "6"
    & skf18("7","4","5","7","4","5","1") = "6"
    & skf18("7","4","5","7","4","6","1") = "6"
    & skf18("7","4","5","7","4","7","1") = "6"
    & skf18("7","4","5","7","4","8","1") = "7"
    & skf18("7","4","5","7","4","9","1") = "8"
    & skf18("7","4","5","7","4","10","1") = "9"
    & skf18("7","4","5","7","5","1","1") = "6"
    & skf18("7","4","5","7","5","2","1") = "6"
    & skf18("7","4","5","7","5","3","1") = "6"
    & skf18("7","4","5","7","5","4","1") = "6"
    & skf18("7","4","5","7","5","5","1") = "6"
    & skf18("7","4","5","7","5","6","1") = "6"
    & skf18("7","4","5","7","5","7","1") = "6"
    & skf18("7","4","5","7","5","8","1") = "7"
    & skf18("7","4","5","7","5","9","1") = "8"
    & skf18("7","4","5","7","5","10","1") = "9"
    & skf18("7","4","5","7","6","1","1") = "6"
    & skf18("7","4","5","7","6","2","1") = "6"
    & skf18("7","4","5","7","6","3","1") = "6"
    & skf18("7","4","5","7","6","4","1") = "6"
    & skf18("7","4","5","7","6","5","1") = "6"
    & skf18("7","4","5","7","6","6","1") = "6"
    & skf18("7","4","5","7","6","7","1") = "6"
    & skf18("7","4","5","7","6","8","1") = "7"
    & skf18("7","4","5","7","6","9","1") = "8"
    & skf18("7","4","5","7","6","10","1") = "9"
    & skf18("7","4","5","7","7","1","1") = "6"
    & skf18("7","4","5","7","7","2","1") = "6"
    & skf18("7","4","5","7","7","3","1") = "6"
    & skf18("7","4","5","7","7","4","1") = "6"
    & skf18("7","4","5","7","7","5","1") = "6"
    & skf18("7","4","5","7","7","6","1") = "6"
    & skf18("7","4","5","7","7","7","1") = "6"
    & skf18("7","4","5","7","7","8","1") = "7"
    & skf18("7","4","5","7","7","9","1") = "8"
    & skf18("7","4","5","7","7","10","1") = "9"
    & skf18("7","4","5","7","8","1","1") = "7"
    & skf18("7","4","5","7","8","2","1") = "7"
    & skf18("7","4","5","7","8","3","1") = "7"
    & skf18("7","4","5","7","8","4","1") = "7"
    & skf18("7","4","5","7","8","5","1") = "7"
    & skf18("7","4","5","7","8","6","1") = "7"
    & skf18("7","4","5","7","8","7","1") = "7"
    & skf18("7","4","5","7","8","8","1") = "7"
    & skf18("7","4","5","7","8","9","1") = "8"
    & skf18("7","4","5","7","8","10","1") = "9"
    & skf18("7","4","5","7","9","1","1") = "8"
    & skf18("7","4","5","7","9","2","1") = "8"
    & skf18("7","4","5","7","9","3","1") = "8"
    & skf18("7","4","5","7","9","4","1") = "8"
    & skf18("7","4","5","7","9","5","1") = "8"
    & skf18("7","4","5","7","9","6","1") = "8"
    & skf18("7","4","5","7","9","7","1") = "8"
    & skf18("7","4","5","7","9","8","1") = "8"
    & skf18("7","4","5","7","9","9","1") = "8"
    & skf18("7","4","5","7","9","10","1") = "9"
    & skf18("7","4","5","7","10","1","1") = "9"
    & skf18("7","4","5","7","10","2","1") = "9"
    & skf18("7","4","5","7","10","3","1") = "9"
    & skf18("7","4","5","7","10","4","1") = "9"
    & skf18("7","4","5","7","10","5","1") = "9"
    & skf18("7","4","5","7","10","6","1") = "9"
    & skf18("7","4","5","7","10","7","1") = "9"
    & skf18("7","4","5","7","10","8","1") = "9"
    & skf18("7","4","5","7","10","9","1") = "9"
    & skf18("7","4","5","7","10","10","1") = "9"
    & skf18("7","4","5","8","1","1","1") = "7"
    & skf18("7","4","5","8","1","2","1") = "7"
    & skf18("7","4","5","8","1","3","1") = "7"
    & skf18("7","4","5","8","1","4","1") = "7"
    & skf18("7","4","5","8","1","5","1") = "7"
    & skf18("7","4","5","8","1","6","1") = "7"
    & skf18("7","4","5","8","1","7","1") = "7"
    & skf18("7","4","5","8","1","8","1") = "7"
    & skf18("7","4","5","8","1","9","1") = "8"
    & skf18("7","4","5","8","1","10","1") = "9"
    & skf18("7","4","5","8","2","1","1") = "7"
    & skf18("7","4","5","8","2","2","1") = "7"
    & skf18("7","4","5","8","2","3","1") = "7"
    & skf18("7","4","5","8","2","4","1") = "7"
    & skf18("7","4","5","8","2","5","1") = "7"
    & skf18("7","4","5","8","2","6","1") = "7"
    & skf18("7","4","5","8","2","7","1") = "7"
    & skf18("7","4","5","8","2","8","1") = "7"
    & skf18("7","4","5","8","2","9","1") = "8"
    & skf18("7","4","5","8","2","10","1") = "9"
    & skf18("7","4","5","8","3","1","1") = "7"
    & skf18("7","4","5","8","3","2","1") = "7"
    & skf18("7","4","5","8","3","3","1") = "7"
    & skf18("7","4","5","8","3","4","1") = "7"
    & skf18("7","4","5","8","3","5","1") = "7"
    & skf18("7","4","5","8","3","6","1") = "7"
    & skf18("7","4","5","8","3","7","1") = "7"
    & skf18("7","4","5","8","3","8","1") = "7"
    & skf18("7","4","5","8","3","9","1") = "8"
    & skf18("7","4","5","8","3","10","1") = "9"
    & skf18("7","4","5","8","4","1","1") = "7"
    & skf18("7","4","5","8","4","2","1") = "7"
    & skf18("7","4","5","8","4","3","1") = "7"
    & skf18("7","4","5","8","4","4","1") = "7"
    & skf18("7","4","5","8","4","5","1") = "7"
    & skf18("7","4","5","8","4","6","1") = "7"
    & skf18("7","4","5","8","4","7","1") = "7"
    & skf18("7","4","5","8","4","8","1") = "7"
    & skf18("7","4","5","8","4","9","1") = "8"
    & skf18("7","4","5","8","4","10","1") = "9"
    & skf18("7","4","5","8","5","1","1") = "7"
    & skf18("7","4","5","8","5","2","1") = "7"
    & skf18("7","4","5","8","5","3","1") = "7"
    & skf18("7","4","5","8","5","4","1") = "7"
    & skf18("7","4","5","8","5","5","1") = "7"
    & skf18("7","4","5","8","5","6","1") = "7"
    & skf18("7","4","5","8","5","7","1") = "7"
    & skf18("7","4","5","8","5","8","1") = "7"
    & skf18("7","4","5","8","5","9","1") = "8"
    & skf18("7","4","5","8","5","10","1") = "9"
    & skf18("7","4","5","8","6","1","1") = "7"
    & skf18("7","4","5","8","6","2","1") = "7"
    & skf18("7","4","5","8","6","3","1") = "7"
    & skf18("7","4","5","8","6","4","1") = "7"
    & skf18("7","4","5","8","6","5","1") = "7"
    & skf18("7","4","5","8","6","6","1") = "7"
    & skf18("7","4","5","8","6","7","1") = "7"
    & skf18("7","4","5","8","6","8","1") = "7"
    & skf18("7","4","5","8","6","9","1") = "8"
    & skf18("7","4","5","8","6","10","1") = "9"
    & skf18("7","4","5","8","7","1","1") = "7"
    & skf18("7","4","5","8","7","2","1") = "7"
    & skf18("7","4","5","8","7","3","1") = "7"
    & skf18("7","4","5","8","7","4","1") = "7"
    & skf18("7","4","5","8","7","5","1") = "7"
    & skf18("7","4","5","8","7","6","1") = "7"
    & skf18("7","4","5","8","7","7","1") = "7"
    & skf18("7","4","5","8","7","8","1") = "7"
    & skf18("7","4","5","8","7","9","1") = "8"
    & skf18("7","4","5","8","7","10","1") = "9"
    & skf18("7","4","5","8","8","1","1") = "7"
    & skf18("7","4","5","8","8","2","1") = "7"
    & skf18("7","4","5","8","8","3","1") = "7"
    & skf18("7","4","5","8","8","4","1") = "7"
    & skf18("7","4","5","8","8","5","1") = "7"
    & skf18("7","4","5","8","8","6","1") = "7"
    & skf18("7","4","5","8","8","7","1") = "7"
    & skf18("7","4","5","8","8","8","1") = "7"
    & skf18("7","4","5","8","8","9","1") = "8"
    & skf18("7","4","5","8","8","10","1") = "9"
    & skf18("7","4","5","8","9","1","1") = "8"
    & skf18("7","4","5","8","9","2","1") = "8"
    & skf18("7","4","5","8","9","3","1") = "8"
    & skf18("7","4","5","8","9","4","1") = "8"
    & skf18("7","4","5","8","9","5","1") = "8"
    & skf18("7","4","5","8","9","6","1") = "8"
    & skf18("7","4","5","8","9","7","1") = "8"
    & skf18("7","4","5","8","9","8","1") = "8"
    & skf18("7","4","5","8","9","9","1") = "8"
    & skf18("7","4","5","8","9","10","1") = "9"
    & skf18("7","4","5","8","10","1","1") = "9"
    & skf18("7","4","5","8","10","2","1") = "9"
    & skf18("7","4","5","8","10","3","1") = "9"
    & skf18("7","4","5","8","10","4","1") = "9"
    & skf18("7","4","5","8","10","5","1") = "9"
    & skf18("7","4","5","8","10","6","1") = "9"
    & skf18("7","4","5","8","10","7","1") = "9"
    & skf18("7","4","5","8","10","8","1") = "9"
    & skf18("7","4","5","8","10","9","1") = "9"
    & skf18("7","4","5","8","10","10","1") = "9"
    & skf18("7","4","5","9","1","1","1") = "8"
    & skf18("7","4","5","9","1","2","1") = "8"
    & skf18("7","4","5","9","1","3","1") = "8"
    & skf18("7","4","5","9","1","4","1") = "8"
    & skf18("7","4","5","9","1","5","1") = "8"
    & skf18("7","4","5","9","1","6","1") = "8"
    & skf18("7","4","5","9","1","7","1") = "8"
    & skf18("7","4","5","9","1","8","1") = "8"
    & skf18("7","4","5","9","1","9","1") = "8"
    & skf18("7","4","5","9","1","10","1") = "9"
    & skf18("7","4","5","9","2","1","1") = "8"
    & skf18("7","4","5","9","2","2","1") = "8"
    & skf18("7","4","5","9","2","3","1") = "8"
    & skf18("7","4","5","9","2","4","1") = "8"
    & skf18("7","4","5","9","2","5","1") = "8"
    & skf18("7","4","5","9","2","6","1") = "8"
    & skf18("7","4","5","9","2","7","1") = "8"
    & skf18("7","4","5","9","2","8","1") = "8"
    & skf18("7","4","5","9","2","9","1") = "8"
    & skf18("7","4","5","9","2","10","1") = "9"
    & skf18("7","4","5","9","3","1","1") = "8"
    & skf18("7","4","5","9","3","2","1") = "8"
    & skf18("7","4","5","9","3","3","1") = "8"
    & skf18("7","4","5","9","3","4","1") = "8"
    & skf18("7","4","5","9","3","5","1") = "8"
    & skf18("7","4","5","9","3","6","1") = "8"
    & skf18("7","4","5","9","3","7","1") = "8"
    & skf18("7","4","5","9","3","8","1") = "8"
    & skf18("7","4","5","9","3","9","1") = "8"
    & skf18("7","4","5","9","3","10","1") = "9"
    & skf18("7","4","5","9","4","1","1") = "8"
    & skf18("7","4","5","9","4","2","1") = "8"
    & skf18("7","4","5","9","4","3","1") = "8"
    & skf18("7","4","5","9","4","4","1") = "8"
    & skf18("7","4","5","9","4","5","1") = "8"
    & skf18("7","4","5","9","4","6","1") = "8"
    & skf18("7","4","5","9","4","7","1") = "8"
    & skf18("7","4","5","9","4","8","1") = "8"
    & skf18("7","4","5","9","4","9","1") = "8"
    & skf18("7","4","5","9","4","10","1") = "9"
    & skf18("7","4","5","9","5","1","1") = "8"
    & skf18("7","4","5","9","5","2","1") = "8"
    & skf18("7","4","5","9","5","3","1") = "8"
    & skf18("7","4","5","9","5","4","1") = "8"
    & skf18("7","4","5","9","5","5","1") = "8"
    & skf18("7","4","5","9","5","6","1") = "8"
    & skf18("7","4","5","9","5","7","1") = "8"
    & skf18("7","4","5","9","5","8","1") = "8"
    & skf18("7","4","5","9","5","9","1") = "8"
    & skf18("7","4","5","9","5","10","1") = "9"
    & skf18("7","4","5","9","6","1","1") = "8"
    & skf18("7","4","5","9","6","2","1") = "8"
    & skf18("7","4","5","9","6","3","1") = "8"
    & skf18("7","4","5","9","6","4","1") = "8"
    & skf18("7","4","5","9","6","5","1") = "8"
    & skf18("7","4","5","9","6","6","1") = "8"
    & skf18("7","4","5","9","6","7","1") = "8"
    & skf18("7","4","5","9","6","8","1") = "8"
    & skf18("7","4","5","9","6","9","1") = "8"
    & skf18("7","4","5","9","6","10","1") = "9"
    & skf18("7","4","5","9","7","1","1") = "8"
    & skf18("7","4","5","9","7","2","1") = "8"
    & skf18("7","4","5","9","7","3","1") = "8"
    & skf18("7","4","5","9","7","4","1") = "8"
    & skf18("7","4","5","9","7","5","1") = "8"
    & skf18("7","4","5","9","7","6","1") = "8"
    & skf18("7","4","5","9","7","7","1") = "8"
    & skf18("7","4","5","9","7","8","1") = "8"
    & skf18("7","4","5","9","7","9","1") = "8"
    & skf18("7","4","5","9","7","10","1") = "9"
    & skf18("7","4","5","9","8","1","1") = "8"
    & skf18("7","4","5","9","8","2","1") = "8"
    & skf18("7","4","5","9","8","3","1") = "8"
    & skf18("7","4","5","9","8","4","1") = "8"
    & skf18("7","4","5","9","8","5","1") = "8"
    & skf18("7","4","5","9","8","6","1") = "8"
    & skf18("7","4","5","9","8","7","1") = "8"
    & skf18("7","4","5","9","8","8","1") = "8"
    & skf18("7","4","5","9","8","9","1") = "8"
    & skf18("7","4","5","9","8","10","1") = "9"
    & skf18("7","4","5","9","9","1","1") = "8"
    & skf18("7","4","5","9","9","2","1") = "8"
    & skf18("7","4","5","9","9","3","1") = "8"
    & skf18("7","4","5","9","9","4","1") = "8"
    & skf18("7","4","5","9","9","5","1") = "8"
    & skf18("7","4","5","9","9","6","1") = "8"
    & skf18("7","4","5","9","9","7","1") = "8"
    & skf18("7","4","5","9","9","8","1") = "8"
    & skf18("7","4","5","9","9","9","1") = "8"
    & skf18("7","4","5","9","9","10","1") = "9"
    & skf18("7","4","5","9","10","1","1") = "9"
    & skf18("7","4","5","9","10","2","1") = "9"
    & skf18("7","4","5","9","10","3","1") = "9"
    & skf18("7","4","5","9","10","4","1") = "9"
    & skf18("7","4","5","9","10","5","1") = "9"
    & skf18("7","4","5","9","10","6","1") = "9"
    & skf18("7","4","5","9","10","7","1") = "9"
    & skf18("7","4","5","9","10","8","1") = "9"
    & skf18("7","4","5","9","10","9","1") = "9"
    & skf18("7","4","5","9","10","10","1") = "9"
    & skf18("7","4","5","10","1","1","1") = "9"
    & skf18("7","4","5","10","1","2","1") = "9"
    & skf18("7","4","5","10","1","3","1") = "9"
    & skf18("7","4","5","10","1","4","1") = "9"
    & skf18("7","4","5","10","1","5","1") = "9"
    & skf18("7","4","5","10","1","6","1") = "9"
    & skf18("7","4","5","10","1","7","1") = "9"
    & skf18("7","4","5","10","1","8","1") = "9"
    & skf18("7","4","5","10","1","9","1") = "9"
    & skf18("7","4","5","10","1","10","1") = "9"
    & skf18("7","4","5","10","2","1","1") = "9"
    & skf18("7","4","5","10","2","2","1") = "9"
    & skf18("7","4","5","10","2","3","1") = "9"
    & skf18("7","4","5","10","2","4","1") = "9"
    & skf18("7","4","5","10","2","5","1") = "9"
    & skf18("7","4","5","10","2","6","1") = "9"
    & skf18("7","4","5","10","2","7","1") = "9"
    & skf18("7","4","5","10","2","8","1") = "9"
    & skf18("7","4","5","10","2","9","1") = "9"
    & skf18("7","4","5","10","2","10","1") = "9"
    & skf18("7","4","5","10","3","1","1") = "9"
    & skf18("7","4","5","10","3","2","1") = "9"
    & skf18("7","4","5","10","3","3","1") = "9"
    & skf18("7","4","5","10","3","4","1") = "9"
    & skf18("7","4","5","10","3","5","1") = "9"
    & skf18("7","4","5","10","3","6","1") = "9"
    & skf18("7","4","5","10","3","7","1") = "9"
    & skf18("7","4","5","10","3","8","1") = "9"
    & skf18("7","4","5","10","3","9","1") = "9"
    & skf18("7","4","5","10","3","10","1") = "9"
    & skf18("7","4","5","10","4","1","1") = "9"
    & skf18("7","4","5","10","4","2","1") = "9"
    & skf18("7","4","5","10","4","3","1") = "9"
    & skf18("7","4","5","10","4","4","1") = "9"
    & skf18("7","4","5","10","4","5","1") = "9"
    & skf18("7","4","5","10","4","6","1") = "9"
    & skf18("7","4","5","10","4","7","1") = "9"
    & skf18("7","4","5","10","4","8","1") = "9"
    & skf18("7","4","5","10","4","9","1") = "9"
    & skf18("7","4","5","10","4","10","1") = "9"
    & skf18("7","4","5","10","5","1","1") = "9"
    & skf18("7","4","5","10","5","2","1") = "9"
    & skf18("7","4","5","10","5","3","1") = "9"
    & skf18("7","4","5","10","5","4","1") = "9"
    & skf18("7","4","5","10","5","5","1") = "9"
    & skf18("7","4","5","10","5","6","1") = "9"
    & skf18("7","4","5","10","5","7","1") = "9"
    & skf18("7","4","5","10","5","8","1") = "9"
    & skf18("7","4","5","10","5","9","1") = "9"
    & skf18("7","4","5","10","5","10","1") = "9"
    & skf18("7","4","5","10","6","1","1") = "9"
    & skf18("7","4","5","10","6","2","1") = "9"
    & skf18("7","4","5","10","6","3","1") = "9"
    & skf18("7","4","5","10","6","4","1") = "9"
    & skf18("7","4","5","10","6","5","1") = "9"
    & skf18("7","4","5","10","6","6","1") = "9"
    & skf18("7","4","5","10","6","7","1") = "9"
    & skf18("7","4","5","10","6","8","1") = "9"
    & skf18("7","4","5","10","6","9","1") = "9"
    & skf18("7","4","5","10","6","10","1") = "9"
    & skf18("7","4","5","10","7","1","1") = "9"
    & skf18("7","4","5","10","7","2","1") = "9"
    & skf18("7","4","5","10","7","3","1") = "9"
    & skf18("7","4","5","10","7","4","1") = "9"
    & skf18("7","4","5","10","7","5","1") = "9"
    & skf18("7","4","5","10","7","6","1") = "9"
    & skf18("7","4","5","10","7","7","1") = "9"
    & skf18("7","4","5","10","7","8","1") = "9"
    & skf18("7","4","5","10","7","9","1") = "9"
    & skf18("7","4","5","10","7","10","1") = "9"
    & skf18("7","4","5","10","8","1","1") = "9"
    & skf18("7","4","5","10","8","2","1") = "9"
    & skf18("7","4","5","10","8","3","1") = "9"
    & skf18("7","4","5","10","8","4","1") = "9"
    & skf18("7","4","5","10","8","5","1") = "9"
    & skf18("7","4","5","10","8","6","1") = "9"
    & skf18("7","4","5","10","8","7","1") = "9"
    & skf18("7","4","5","10","8","8","1") = "9"
    & skf18("7","4","5","10","8","9","1") = "9"
    & skf18("7","4","5","10","8","10","1") = "9"
    & skf18("7","4","5","10","9","1","1") = "9"
    & skf18("7","4","5","10","9","2","1") = "9"
    & skf18("7","4","5","10","9","3","1") = "9"
    & skf18("7","4","5","10","9","4","1") = "9"
    & skf18("7","4","5","10","9","5","1") = "9"
    & skf18("7","4","5","10","9","6","1") = "9"
    & skf18("7","4","5","10","9","7","1") = "9"
    & skf18("7","4","5","10","9","8","1") = "9"
    & skf18("7","4","5","10","9","9","1") = "9"
    & skf18("7","4","5","10","9","10","1") = "9"
    & skf18("7","4","5","10","10","1","1") = "9"
    & skf18("7","4","5","10","10","2","1") = "9"
    & skf18("7","4","5","10","10","3","1") = "9"
    & skf18("7","4","5","10","10","4","1") = "9"
    & skf18("7","4","5","10","10","5","1") = "9"
    & skf18("7","4","5","10","10","6","1") = "9"
    & skf18("7","4","5","10","10","7","1") = "9"
    & skf18("7","4","5","10","10","8","1") = "9"
    & skf18("7","4","5","10","10","9","1") = "9"
    & skf18("7","4","5","10","10","10","1") = "9"
    & skf18("7","4","6","1","1","1","1") = "6"
    & skf18("7","4","6","1","1","2","1") = "6"
    & skf18("7","4","6","1","1","3","1") = "6"
    & skf18("7","4","6","1","1","4","1") = "6"
    & skf18("7","4","6","1","1","5","1") = "6"
    & skf18("7","4","6","1","1","6","1") = "6"
    & skf18("7","4","6","1","1","7","1") = "6"
    & skf18("7","4","6","1","1","8","1") = "7"
    & skf18("7","4","6","1","1","9","1") = "8"
    & skf18("7","4","6","1","1","10","1") = "9"
    & skf18("7","4","6","1","2","1","1") = "6"
    & skf18("7","4","6","1","2","2","1") = "6"
    & skf18("7","4","6","1","2","3","1") = "6"
    & skf18("7","4","6","1","2","4","1") = "6"
    & skf18("7","4","6","1","2","5","1") = "6"
    & skf18("7","4","6","1","2","6","1") = "6"
    & skf18("7","4","6","1","2","7","1") = "6"
    & skf18("7","4","6","1","2","8","1") = "7"
    & skf18("7","4","6","1","2","9","1") = "8"
    & skf18("7","4","6","1","2","10","1") = "9"
    & skf18("7","4","6","1","3","1","1") = "6"
    & skf18("7","4","6","1","3","2","1") = "6"
    & skf18("7","4","6","1","3","3","1") = "6"
    & skf18("7","4","6","1","3","4","1") = "6"
    & skf18("7","4","6","1","3","5","1") = "6"
    & skf18("7","4","6","1","3","6","1") = "6"
    & skf18("7","4","6","1","3","7","1") = "6"
    & skf18("7","4","6","1","3","8","1") = "7"
    & skf18("7","4","6","1","3","9","1") = "8"
    & skf18("7","4","6","1","3","10","1") = "9"
    & skf18("7","4","6","1","4","1","1") = "6"
    & skf18("7","4","6","1","4","2","1") = "6"
    & skf18("7","4","6","1","4","3","1") = "6"
    & skf18("7","4","6","1","4","4","1") = "6"
    & skf18("7","4","6","1","4","5","1") = "6"
    & skf18("7","4","6","1","4","6","1") = "6"
    & skf18("7","4","6","1","4","7","1") = "6"
    & skf18("7","4","6","1","4","8","1") = "7"
    & skf18("7","4","6","1","4","9","1") = "8"
    & skf18("7","4","6","1","4","10","1") = "9"
    & skf18("7","4","6","1","5","1","1") = "6"
    & skf18("7","4","6","1","5","2","1") = "6"
    & skf18("7","4","6","1","5","3","1") = "6"
    & skf18("7","4","6","1","5","4","1") = "6"
    & skf18("7","4","6","1","5","5","1") = "6"
    & skf18("7","4","6","1","5","6","1") = "6"
    & skf18("7","4","6","1","5","7","1") = "6"
    & skf18("7","4","6","1","5","8","1") = "7"
    & skf18("7","4","6","1","5","9","1") = "8"
    & skf18("7","4","6","1","5","10","1") = "9"
    & skf18("7","4","6","1","6","1","1") = "6"
    & skf18("7","4","6","1","6","2","1") = "6"
    & skf18("7","4","6","1","6","3","1") = "6"
    & skf18("7","4","6","1","6","4","1") = "6"
    & skf18("7","4","6","1","6","5","1") = "6"
    & skf18("7","4","6","1","6","6","1") = "6"
    & skf18("7","4","6","1","6","7","1") = "6"
    & skf18("7","4","6","1","6","8","1") = "7"
    & skf18("7","4","6","1","6","9","1") = "8"
    & skf18("7","4","6","1","6","10","1") = "9"
    & skf18("7","4","6","1","7","1","1") = "6"
    & skf18("7","4","6","1","7","2","1") = "6"
    & skf18("7","4","6","1","7","3","1") = "6"
    & skf18("7","4","6","1","7","4","1") = "6"
    & skf18("7","4","6","1","7","5","1") = "6"
    & skf18("7","4","6","1","7","6","1") = "6"
    & skf18("7","4","6","1","7","7","1") = "6"
    & skf18("7","4","6","1","7","8","1") = "7"
    & skf18("7","4","6","1","7","9","1") = "8"
    & skf18("7","4","6","1","7","10","1") = "9"
    & skf18("7","4","6","1","8","1","1") = "7"
    & skf18("7","4","6","1","8","2","1") = "7"
    & skf18("7","4","6","1","8","3","1") = "7"
    & skf18("7","4","6","1","8","4","1") = "7"
    & skf18("7","4","6","1","8","5","1") = "7"
    & skf18("7","4","6","1","8","6","1") = "7"
    & skf18("7","4","6","1","8","7","1") = "7"
    & skf18("7","4","6","1","8","8","1") = "7"
    & skf18("7","4","6","1","8","9","1") = "8"
    & skf18("7","4","6","1","8","10","1") = "9"
    & skf18("7","4","6","1","9","1","1") = "8"
    & skf18("7","4","6","1","9","2","1") = "8"
    & skf18("7","4","6","1","9","3","1") = "8"
    & skf18("7","4","6","1","9","4","1") = "8"
    & skf18("7","4","6","1","9","5","1") = "8"
    & skf18("7","4","6","1","9","6","1") = "8"
    & skf18("7","4","6","1","9","7","1") = "8"
    & skf18("7","4","6","1","9","8","1") = "8"
    & skf18("7","4","6","1","9","9","1") = "8"
    & skf18("7","4","6","1","9","10","1") = "9"
    & skf18("7","4","6","1","10","1","1") = "9"
    & skf18("7","4","6","1","10","2","1") = "9"
    & skf18("7","4","6","1","10","3","1") = "9"
    & skf18("7","4","6","1","10","4","1") = "9"
    & skf18("7","4","6","1","10","5","1") = "9"
    & skf18("7","4","6","1","10","6","1") = "9"
    & skf18("7","4","6","1","10","7","1") = "9"
    & skf18("7","4","6","1","10","8","1") = "9"
    & skf18("7","4","6","1","10","9","1") = "9"
    & skf18("7","4","6","1","10","10","1") = "9"
    & skf18("7","4","6","2","1","1","1") = "6"
    & skf18("7","4","6","2","1","2","1") = "6"
    & skf18("7","4","6","2","1","3","1") = "6"
    & skf18("7","4","6","2","1","4","1") = "6"
    & skf18("7","4","6","2","1","5","1") = "6"
    & skf18("7","4","6","2","1","6","1") = "6"
    & skf18("7","4","6","2","1","7","1") = "6"
    & skf18("7","4","6","2","1","8","1") = "7"
    & skf18("7","4","6","2","1","9","1") = "8"
    & skf18("7","4","6","2","1","10","1") = "9"
    & skf18("7","4","6","2","2","1","1") = "6"
    & skf18("7","4","6","2","2","2","1") = "6"
    & skf18("7","4","6","2","2","3","1") = "6"
    & skf18("7","4","6","2","2","4","1") = "6"
    & skf18("7","4","6","2","2","5","1") = "6"
    & skf18("7","4","6","2","2","6","1") = "6"
    & skf18("7","4","6","2","2","7","1") = "6"
    & skf18("7","4","6","2","2","8","1") = "7"
    & skf18("7","4","6","2","2","9","1") = "8"
    & skf18("7","4","6","2","2","10","1") = "9"
    & skf18("7","4","6","2","3","1","1") = "6"
    & skf18("7","4","6","2","3","2","1") = "6"
    & skf18("7","4","6","2","3","3","1") = "6"
    & skf18("7","4","6","2","3","4","1") = "6"
    & skf18("7","4","6","2","3","5","1") = "6"
    & skf18("7","4","6","2","3","6","1") = "6"
    & skf18("7","4","6","2","3","7","1") = "6"
    & skf18("7","4","6","2","3","8","1") = "7"
    & skf18("7","4","6","2","3","9","1") = "8"
    & skf18("7","4","6","2","3","10","1") = "9"
    & skf18("7","4","6","2","4","1","1") = "6"
    & skf18("7","4","6","2","4","2","1") = "6"
    & skf18("7","4","6","2","4","3","1") = "6"
    & skf18("7","4","6","2","4","4","1") = "6"
    & skf18("7","4","6","2","4","5","1") = "6"
    & skf18("7","4","6","2","4","6","1") = "6"
    & skf18("7","4","6","2","4","7","1") = "6"
    & skf18("7","4","6","2","4","8","1") = "7"
    & skf18("7","4","6","2","4","9","1") = "8"
    & skf18("7","4","6","2","4","10","1") = "9"
    & skf18("7","4","6","2","5","1","1") = "6"
    & skf18("7","4","6","2","5","2","1") = "6"
    & skf18("7","4","6","2","5","3","1") = "6"
    & skf18("7","4","6","2","5","4","1") = "6"
    & skf18("7","4","6","2","5","5","1") = "6"
    & skf18("7","4","6","2","5","6","1") = "6"
    & skf18("7","4","6","2","5","7","1") = "6"
    & skf18("7","4","6","2","5","8","1") = "7"
    & skf18("7","4","6","2","5","9","1") = "8"
    & skf18("7","4","6","2","5","10","1") = "9"
    & skf18("7","4","6","2","6","1","1") = "6"
    & skf18("7","4","6","2","6","2","1") = "6"
    & skf18("7","4","6","2","6","3","1") = "6"
    & skf18("7","4","6","2","6","4","1") = "6"
    & skf18("7","4","6","2","6","5","1") = "6"
    & skf18("7","4","6","2","6","6","1") = "6"
    & skf18("7","4","6","2","6","7","1") = "6"
    & skf18("7","4","6","2","6","8","1") = "7"
    & skf18("7","4","6","2","6","9","1") = "8"
    & skf18("7","4","6","2","6","10","1") = "9"
    & skf18("7","4","6","2","7","1","1") = "6"
    & skf18("7","4","6","2","7","2","1") = "6"
    & skf18("7","4","6","2","7","3","1") = "6"
    & skf18("7","4","6","2","7","4","1") = "6"
    & skf18("7","4","6","2","7","5","1") = "6"
    & skf18("7","4","6","2","7","6","1") = "6"
    & skf18("7","4","6","2","7","7","1") = "6"
    & skf18("7","4","6","2","7","8","1") = "7"
    & skf18("7","4","6","2","7","9","1") = "8"
    & skf18("7","4","6","2","7","10","1") = "9"
    & skf18("7","4","6","2","8","1","1") = "7"
    & skf18("7","4","6","2","8","2","1") = "7"
    & skf18("7","4","6","2","8","3","1") = "7"
    & skf18("7","4","6","2","8","4","1") = "7"
    & skf18("7","4","6","2","8","5","1") = "7"
    & skf18("7","4","6","2","8","6","1") = "7"
    & skf18("7","4","6","2","8","7","1") = "7"
    & skf18("7","4","6","2","8","8","1") = "7"
    & skf18("7","4","6","2","8","9","1") = "8"
    & skf18("7","4","6","2","8","10","1") = "9"
    & skf18("7","4","6","2","9","1","1") = "8"
    & skf18("7","4","6","2","9","2","1") = "8"
    & skf18("7","4","6","2","9","3","1") = "8"
    & skf18("7","4","6","2","9","4","1") = "8"
    & skf18("7","4","6","2","9","5","1") = "8"
    & skf18("7","4","6","2","9","6","1") = "8"
    & skf18("7","4","6","2","9","7","1") = "8"
    & skf18("7","4","6","2","9","8","1") = "8"
    & skf18("7","4","6","2","9","9","1") = "8"
    & skf18("7","4","6","2","9","10","1") = "9"
    & skf18("7","4","6","2","10","1","1") = "9"
    & skf18("7","4","6","2","10","2","1") = "9"
    & skf18("7","4","6","2","10","3","1") = "9"
    & skf18("7","4","6","2","10","4","1") = "9"
    & skf18("7","4","6","2","10","5","1") = "9"
    & skf18("7","4","6","2","10","6","1") = "9"
    & skf18("7","4","6","2","10","7","1") = "9"
    & skf18("7","4","6","2","10","8","1") = "9"
    & skf18("7","4","6","2","10","9","1") = "9"
    & skf18("7","4","6","2","10","10","1") = "9"
    & skf18("7","4","6","3","1","1","1") = "6"
    & skf18("7","4","6","3","1","2","1") = "6"
    & skf18("7","4","6","3","1","3","1") = "6"
    & skf18("7","4","6","3","1","4","1") = "6"
    & skf18("7","4","6","3","1","5","1") = "6"
    & skf18("7","4","6","3","1","6","1") = "6"
    & skf18("7","4","6","3","1","7","1") = "6"
    & skf18("7","4","6","3","1","8","1") = "7"
    & skf18("7","4","6","3","1","9","1") = "8"
    & skf18("7","4","6","3","1","10","1") = "9"
    & skf18("7","4","6","3","2","1","1") = "6"
    & skf18("7","4","6","3","2","2","1") = "6"
    & skf18("7","4","6","3","2","3","1") = "6"
    & skf18("7","4","6","3","2","4","1") = "6"
    & skf18("7","4","6","3","2","5","1") = "6"
    & skf18("7","4","6","3","2","6","1") = "6"
    & skf18("7","4","6","3","2","7","1") = "6"
    & skf18("7","4","6","3","2","8","1") = "7"
    & skf18("7","4","6","3","2","9","1") = "8"
    & skf18("7","4","6","3","2","10","1") = "9"
    & skf18("7","4","6","3","3","1","1") = "6"
    & skf18("7","4","6","3","3","2","1") = "6"
    & skf18("7","4","6","3","3","3","1") = "6"
    & skf18("7","4","6","3","3","4","1") = "6"
    & skf18("7","4","6","3","3","5","1") = "6"
    & skf18("7","4","6","3","3","6","1") = "6"
    & skf18("7","4","6","3","3","7","1") = "6"
    & skf18("7","4","6","3","3","8","1") = "7"
    & skf18("7","4","6","3","3","9","1") = "8"
    & skf18("7","4","6","3","3","10","1") = "9"
    & skf18("7","4","6","3","4","1","1") = "6"
    & skf18("7","4","6","3","4","2","1") = "6"
    & skf18("7","4","6","3","4","3","1") = "6"
    & skf18("7","4","6","3","4","4","1") = "6"
    & skf18("7","4","6","3","4","5","1") = "6"
    & skf18("7","4","6","3","4","6","1") = "6"
    & skf18("7","4","6","3","4","7","1") = "6"
    & skf18("7","4","6","3","4","8","1") = "7"
    & skf18("7","4","6","3","4","9","1") = "8"
    & skf18("7","4","6","3","4","10","1") = "9"
    & skf18("7","4","6","3","5","1","1") = "6"
    & skf18("7","4","6","3","5","2","1") = "6"
    & skf18("7","4","6","3","5","3","1") = "6"
    & skf18("7","4","6","3","5","4","1") = "6"
    & skf18("7","4","6","3","5","5","1") = "6"
    & skf18("7","4","6","3","5","6","1") = "6"
    & skf18("7","4","6","3","5","7","1") = "6"
    & skf18("7","4","6","3","5","8","1") = "7"
    & skf18("7","4","6","3","5","9","1") = "8"
    & skf18("7","4","6","3","5","10","1") = "9"
    & skf18("7","4","6","3","6","1","1") = "6"
    & skf18("7","4","6","3","6","2","1") = "6"
    & skf18("7","4","6","3","6","3","1") = "6"
    & skf18("7","4","6","3","6","4","1") = "6"
    & skf18("7","4","6","3","6","5","1") = "6"
    & skf18("7","4","6","3","6","6","1") = "6"
    & skf18("7","4","6","3","6","7","1") = "6"
    & skf18("7","4","6","3","6","8","1") = "7"
    & skf18("7","4","6","3","6","9","1") = "8"
    & skf18("7","4","6","3","6","10","1") = "9"
    & skf18("7","4","6","3","7","1","1") = "6"
    & skf18("7","4","6","3","7","2","1") = "6"
    & skf18("7","4","6","3","7","3","1") = "6"
    & skf18("7","4","6","3","7","4","1") = "6"
    & skf18("7","4","6","3","7","5","1") = "6"
    & skf18("7","4","6","3","7","6","1") = "6"
    & skf18("7","4","6","3","7","7","1") = "6"
    & skf18("7","4","6","3","7","8","1") = "7"
    & skf18("7","4","6","3","7","9","1") = "8"
    & skf18("7","4","6","3","7","10","1") = "9"
    & skf18("7","4","6","3","8","1","1") = "7"
    & skf18("7","4","6","3","8","2","1") = "7"
    & skf18("7","4","6","3","8","3","1") = "7"
    & skf18("7","4","6","3","8","4","1") = "7"
    & skf18("7","4","6","3","8","5","1") = "7"
    & skf18("7","4","6","3","8","6","1") = "7"
    & skf18("7","4","6","3","8","7","1") = "7"
    & skf18("7","4","6","3","8","8","1") = "7"
    & skf18("7","4","6","3","8","9","1") = "8"
    & skf18("7","4","6","3","8","10","1") = "9"
    & skf18("7","4","6","3","9","1","1") = "8"
    & skf18("7","4","6","3","9","2","1") = "8"
    & skf18("7","4","6","3","9","3","1") = "8"
    & skf18("7","4","6","3","9","4","1") = "8"
    & skf18("7","4","6","3","9","5","1") = "8"
    & skf18("7","4","6","3","9","6","1") = "8"
    & skf18("7","4","6","3","9","7","1") = "8"
    & skf18("7","4","6","3","9","8","1") = "8"
    & skf18("7","4","6","3","9","9","1") = "8"
    & skf18("7","4","6","3","9","10","1") = "9"
    & skf18("7","4","6","3","10","1","1") = "9"
    & skf18("7","4","6","3","10","2","1") = "9"
    & skf18("7","4","6","3","10","3","1") = "9"
    & skf18("7","4","6","3","10","4","1") = "9"
    & skf18("7","4","6","3","10","5","1") = "9"
    & skf18("7","4","6","3","10","6","1") = "9"
    & skf18("7","4","6","3","10","7","1") = "9"
    & skf18("7","4","6","3","10","8","1") = "9"
    & skf18("7","4","6","3","10","9","1") = "9"
    & skf18("7","4","6","3","10","10","1") = "9"
    & skf18("7","4","6","4","1","1","1") = "6"
    & skf18("7","4","6","4","1","2","1") = "6"
    & skf18("7","4","6","4","1","3","1") = "6"
    & skf18("7","4","6","4","1","4","1") = "6"
    & skf18("7","4","6","4","1","5","1") = "6"
    & skf18("7","4","6","4","1","6","1") = "6"
    & skf18("7","4","6","4","1","7","1") = "6"
    & skf18("7","4","6","4","1","8","1") = "7"
    & skf18("7","4","6","4","1","9","1") = "8"
    & skf18("7","4","6","4","1","10","1") = "9"
    & skf18("7","4","6","4","2","1","1") = "6"
    & skf18("7","4","6","4","2","2","1") = "6"
    & skf18("7","4","6","4","2","3","1") = "6"
    & skf18("7","4","6","4","2","4","1") = "6"
    & skf18("7","4","6","4","2","5","1") = "6"
    & skf18("7","4","6","4","2","6","1") = "6"
    & skf18("7","4","6","4","2","7","1") = "6"
    & skf18("7","4","6","4","2","8","1") = "7"
    & skf18("7","4","6","4","2","9","1") = "8"
    & skf18("7","4","6","4","2","10","1") = "9"
    & skf18("7","4","6","4","3","1","1") = "6"
    & skf18("7","4","6","4","3","2","1") = "6"
    & skf18("7","4","6","4","3","3","1") = "6"
    & skf18("7","4","6","4","3","4","1") = "6"
    & skf18("7","4","6","4","3","5","1") = "6"
    & skf18("7","4","6","4","3","6","1") = "6"
    & skf18("7","4","6","4","3","7","1") = "6"
    & skf18("7","4","6","4","3","8","1") = "7"
    & skf18("7","4","6","4","3","9","1") = "8"
    & skf18("7","4","6","4","3","10","1") = "9"
    & skf18("7","4","6","4","4","1","1") = "6"
    & skf18("7","4","6","4","4","2","1") = "6"
    & skf18("7","4","6","4","4","3","1") = "6"
    & skf18("7","4","6","4","4","4","1") = "6"
    & skf18("7","4","6","4","4","5","1") = "6"
    & skf18("7","4","6","4","4","6","1") = "6"
    & skf18("7","4","6","4","4","7","1") = "6"
    & skf18("7","4","6","4","4","8","1") = "7"
    & skf18("7","4","6","4","4","9","1") = "8"
    & skf18("7","4","6","4","4","10","1") = "9"
    & skf18("7","4","6","4","5","1","1") = "6"
    & skf18("7","4","6","4","5","2","1") = "6"
    & skf18("7","4","6","4","5","3","1") = "6"
    & skf18("7","4","6","4","5","4","1") = "6"
    & skf18("7","4","6","4","5","5","1") = "6"
    & skf18("7","4","6","4","5","6","1") = "6"
    & skf18("7","4","6","4","5","7","1") = "6"
    & skf18("7","4","6","4","5","8","1") = "7"
    & skf18("7","4","6","4","5","9","1") = "8"
    & skf18("7","4","6","4","5","10","1") = "9"
    & skf18("7","4","6","4","6","1","1") = "6"
    & skf18("7","4","6","4","6","2","1") = "6"
    & skf18("7","4","6","4","6","3","1") = "6"
    & skf18("7","4","6","4","6","4","1") = "6"
    & skf18("7","4","6","4","6","5","1") = "6"
    & skf18("7","4","6","4","6","6","1") = "6"
    & skf18("7","4","6","4","6","7","1") = "6"
    & skf18("7","4","6","4","6","8","1") = "7"
    & skf18("7","4","6","4","6","9","1") = "8"
    & skf18("7","4","6","4","6","10","1") = "9"
    & skf18("7","4","6","4","7","1","1") = "6"
    & skf18("7","4","6","4","7","2","1") = "6"
    & skf18("7","4","6","4","7","3","1") = "6"
    & skf18("7","4","6","4","7","4","1") = "6"
    & skf18("7","4","6","4","7","5","1") = "6"
    & skf18("7","4","6","4","7","6","1") = "6"
    & skf18("7","4","6","4","7","7","1") = "6"
    & skf18("7","4","6","4","7","8","1") = "7"
    & skf18("7","4","6","4","7","9","1") = "8"
    & skf18("7","4","6","4","7","10","1") = "9"
    & skf18("7","4","6","4","8","1","1") = "7"
    & skf18("7","4","6","4","8","2","1") = "7"
    & skf18("7","4","6","4","8","3","1") = "7"
    & skf18("7","4","6","4","8","4","1") = "7"
    & skf18("7","4","6","4","8","5","1") = "7"
    & skf18("7","4","6","4","8","6","1") = "7"
    & skf18("7","4","6","4","8","7","1") = "7"
    & skf18("7","4","6","4","8","8","1") = "7"
    & skf18("7","4","6","4","8","9","1") = "8"
    & skf18("7","4","6","4","8","10","1") = "9"
    & skf18("7","4","6","4","9","1","1") = "8"
    & skf18("7","4","6","4","9","2","1") = "8"
    & skf18("7","4","6","4","9","3","1") = "8"
    & skf18("7","4","6","4","9","4","1") = "8"
    & skf18("7","4","6","4","9","5","1") = "8"
    & skf18("7","4","6","4","9","6","1") = "8"
    & skf18("7","4","6","4","9","7","1") = "8"
    & skf18("7","4","6","4","9","8","1") = "8"
    & skf18("7","4","6","4","9","9","1") = "8"
    & skf18("7","4","6","4","9","10","1") = "9"
    & skf18("7","4","6","4","10","1","1") = "9"
    & skf18("7","4","6","4","10","2","1") = "9"
    & skf18("7","4","6","4","10","3","1") = "9"
    & skf18("7","4","6","4","10","4","1") = "9"
    & skf18("7","4","6","4","10","5","1") = "9"
    & skf18("7","4","6","4","10","6","1") = "9"
    & skf18("7","4","6","4","10","7","1") = "9"
    & skf18("7","4","6","4","10","8","1") = "9"
    & skf18("7","4","6","4","10","9","1") = "9"
    & skf18("7","4","6","4","10","10","1") = "9"
    & skf18("7","4","6","5","1","1","1") = "6"
    & skf18("7","4","6","5","1","2","1") = "6"
    & skf18("7","4","6","5","1","3","1") = "6"
    & skf18("7","4","6","5","1","4","1") = "6"
    & skf18("7","4","6","5","1","5","1") = "6"
    & skf18("7","4","6","5","1","6","1") = "6"
    & skf18("7","4","6","5","1","7","1") = "6"
    & skf18("7","4","6","5","1","8","1") = "7"
    & skf18("7","4","6","5","1","9","1") = "8"
    & skf18("7","4","6","5","1","10","1") = "9"
    & skf18("7","4","6","5","2","1","1") = "6"
    & skf18("7","4","6","5","2","2","1") = "6"
    & skf18("7","4","6","5","2","3","1") = "6"
    & skf18("7","4","6","5","2","4","1") = "6"
    & skf18("7","4","6","5","2","5","1") = "6"
    & skf18("7","4","6","5","2","6","1") = "6"
    & skf18("7","4","6","5","2","7","1") = "6"
    & skf18("7","4","6","5","2","8","1") = "7"
    & skf18("7","4","6","5","2","9","1") = "8"
    & skf18("7","4","6","5","2","10","1") = "9"
    & skf18("7","4","6","5","3","1","1") = "6"
    & skf18("7","4","6","5","3","2","1") = "6"
    & skf18("7","4","6","5","3","3","1") = "6"
    & skf18("7","4","6","5","3","4","1") = "6"
    & skf18("7","4","6","5","3","5","1") = "6"
    & skf18("7","4","6","5","3","6","1") = "6"
    & skf18("7","4","6","5","3","7","1") = "6"
    & skf18("7","4","6","5","3","8","1") = "7"
    & skf18("7","4","6","5","3","9","1") = "8"
    & skf18("7","4","6","5","3","10","1") = "9"
    & skf18("7","4","6","5","4","1","1") = "6"
    & skf18("7","4","6","5","4","2","1") = "6"
    & skf18("7","4","6","5","4","3","1") = "6"
    & skf18("7","4","6","5","4","4","1") = "6"
    & skf18("7","4","6","5","4","5","1") = "6"
    & skf18("7","4","6","5","4","6","1") = "6"
    & skf18("7","4","6","5","4","7","1") = "6"
    & skf18("7","4","6","5","4","8","1") = "7"
    & skf18("7","4","6","5","4","9","1") = "8"
    & skf18("7","4","6","5","4","10","1") = "9"
    & skf18("7","4","6","5","5","1","1") = "6"
    & skf18("7","4","6","5","5","2","1") = "6"
    & skf18("7","4","6","5","5","3","1") = "6"
    & skf18("7","4","6","5","5","4","1") = "6"
    & skf18("7","4","6","5","5","5","1") = "6"
    & skf18("7","4","6","5","5","6","1") = "6"
    & skf18("7","4","6","5","5","7","1") = "6"
    & skf18("7","4","6","5","5","8","1") = "7"
    & skf18("7","4","6","5","5","9","1") = "8"
    & skf18("7","4","6","5","5","10","1") = "9"
    & skf18("7","4","6","5","6","1","1") = "6"
    & skf18("7","4","6","5","6","2","1") = "6"
    & skf18("7","4","6","5","6","3","1") = "6"
    & skf18("7","4","6","5","6","4","1") = "6"
    & skf18("7","4","6","5","6","5","1") = "6"
    & skf18("7","4","6","5","6","6","1") = "6"
    & skf18("7","4","6","5","6","7","1") = "6"
    & skf18("7","4","6","5","6","8","1") = "7"
    & skf18("7","4","6","5","6","9","1") = "8"
    & skf18("7","4","6","5","6","10","1") = "9"
    & skf18("7","4","6","5","7","1","1") = "6"
    & skf18("7","4","6","5","7","2","1") = "6"
    & skf18("7","4","6","5","7","3","1") = "6"
    & skf18("7","4","6","5","7","4","1") = "6"
    & skf18("7","4","6","5","7","5","1") = "6"
    & skf18("7","4","6","5","7","6","1") = "6"
    & skf18("7","4","6","5","7","7","1") = "6"
    & skf18("7","4","6","5","7","8","1") = "7"
    & skf18("7","4","6","5","7","9","1") = "8"
    & skf18("7","4","6","5","7","10","1") = "9"
    & skf18("7","4","6","5","8","1","1") = "7"
    & skf18("7","4","6","5","8","2","1") = "7"
    & skf18("7","4","6","5","8","3","1") = "7"
    & skf18("7","4","6","5","8","4","1") = "7"
    & skf18("7","4","6","5","8","5","1") = "7"
    & skf18("7","4","6","5","8","6","1") = "7"
    & skf18("7","4","6","5","8","7","1") = "7"
    & skf18("7","4","6","5","8","8","1") = "7"
    & skf18("7","4","6","5","8","9","1") = "8"
    & skf18("7","4","6","5","8","10","1") = "9"
    & skf18("7","4","6","5","9","1","1") = "8"
    & skf18("7","4","6","5","9","2","1") = "8"
    & skf18("7","4","6","5","9","3","1") = "8"
    & skf18("7","4","6","5","9","4","1") = "8"
    & skf18("7","4","6","5","9","5","1") = "8"
    & skf18("7","4","6","5","9","6","1") = "8"
    & skf18("7","4","6","5","9","7","1") = "8"
    & skf18("7","4","6","5","9","8","1") = "8"
    & skf18("7","4","6","5","9","9","1") = "8"
    & skf18("7","4","6","5","9","10","1") = "9"
    & skf18("7","4","6","5","10","1","1") = "9"
    & skf18("7","4","6","5","10","2","1") = "9"
    & skf18("7","4","6","5","10","3","1") = "9"
    & skf18("7","4","6","5","10","4","1") = "9"
    & skf18("7","4","6","5","10","5","1") = "9"
    & skf18("7","4","6","5","10","6","1") = "9"
    & skf18("7","4","6","5","10","7","1") = "9"
    & skf18("7","4","6","5","10","8","1") = "9"
    & skf18("7","4","6","5","10","9","1") = "9"
    & skf18("7","4","6","5","10","10","1") = "9"
    & skf18("7","4","6","6","1","1","1") = "6"
    & skf18("7","4","6","6","1","2","1") = "6"
    & skf18("7","4","6","6","1","3","1") = "6"
    & skf18("7","4","6","6","1","4","1") = "6"
    & skf18("7","4","6","6","1","5","1") = "6"
    & skf18("7","4","6","6","1","6","1") = "6"
    & skf18("7","4","6","6","1","7","1") = "6"
    & skf18("7","4","6","6","1","8","1") = "7"
    & skf18("7","4","6","6","1","9","1") = "8"
    & skf18("7","4","6","6","1","10","1") = "9"
    & skf18("7","4","6","6","2","1","1") = "6"
    & skf18("7","4","6","6","2","2","1") = "6"
    & skf18("7","4","6","6","2","3","1") = "6"
    & skf18("7","4","6","6","2","4","1") = "6"
    & skf18("7","4","6","6","2","5","1") = "6"
    & skf18("7","4","6","6","2","6","1") = "6"
    & skf18("7","4","6","6","2","7","1") = "6"
    & skf18("7","4","6","6","2","8","1") = "7"
    & skf18("7","4","6","6","2","9","1") = "8"
    & skf18("7","4","6","6","2","10","1") = "9"
    & skf18("7","4","6","6","3","1","1") = "6"
    & skf18("7","4","6","6","3","2","1") = "6"
    & skf18("7","4","6","6","3","3","1") = "6"
    & skf18("7","4","6","6","3","4","1") = "6"
    & skf18("7","4","6","6","3","5","1") = "6"
    & skf18("7","4","6","6","3","6","1") = "6"
    & skf18("7","4","6","6","3","7","1") = "6"
    & skf18("7","4","6","6","3","8","1") = "7"
    & skf18("7","4","6","6","3","9","1") = "8"
    & skf18("7","4","6","6","3","10","1") = "9"
    & skf18("7","4","6","6","4","1","1") = "6"
    & skf18("7","4","6","6","4","2","1") = "6"
    & skf18("7","4","6","6","4","3","1") = "6"
    & skf18("7","4","6","6","4","4","1") = "6"
    & skf18("7","4","6","6","4","5","1") = "6"
    & skf18("7","4","6","6","4","6","1") = "6"
    & skf18("7","4","6","6","4","7","1") = "6"
    & skf18("7","4","6","6","4","8","1") = "7"
    & skf18("7","4","6","6","4","9","1") = "8"
    & skf18("7","4","6","6","4","10","1") = "9"
    & skf18("7","4","6","6","5","1","1") = "6"
    & skf18("7","4","6","6","5","2","1") = "6"
    & skf18("7","4","6","6","5","3","1") = "6"
    & skf18("7","4","6","6","5","4","1") = "6"
    & skf18("7","4","6","6","5","5","1") = "6"
    & skf18("7","4","6","6","5","6","1") = "6"
    & skf18("7","4","6","6","5","7","1") = "6"
    & skf18("7","4","6","6","5","8","1") = "7"
    & skf18("7","4","6","6","5","9","1") = "8"
    & skf18("7","4","6","6","5","10","1") = "9"
    & skf18("7","4","6","6","6","1","1") = "6"
    & skf18("7","4","6","6","6","2","1") = "6"
    & skf18("7","4","6","6","6","3","1") = "6"
    & skf18("7","4","6","6","6","4","1") = "6"
    & skf18("7","4","6","6","6","5","1") = "6"
    & skf18("7","4","6","6","6","6","1") = "6"
    & skf18("7","4","6","6","6","7","1") = "6"
    & skf18("7","4","6","6","6","8","1") = "7"
    & skf18("7","4","6","6","6","9","1") = "8"
    & skf18("7","4","6","6","6","10","1") = "9"
    & skf18("7","4","6","6","7","1","1") = "6"
    & skf18("7","4","6","6","7","2","1") = "6"
    & skf18("7","4","6","6","7","3","1") = "6"
    & skf18("7","4","6","6","7","4","1") = "6"
    & skf18("7","4","6","6","7","5","1") = "6"
    & skf18("7","4","6","6","7","6","1") = "6"
    & skf18("7","4","6","6","7","7","1") = "6"
    & skf18("7","4","6","6","7","8","1") = "7"
    & skf18("7","4","6","6","7","9","1") = "8"
    & skf18("7","4","6","6","7","10","1") = "9"
    & skf18("7","4","6","6","8","1","1") = "7"
    & skf18("7","4","6","6","8","2","1") = "7"
    & skf18("7","4","6","6","8","3","1") = "7"
    & skf18("7","4","6","6","8","4","1") = "7"
    & skf18("7","4","6","6","8","5","1") = "7"
    & skf18("7","4","6","6","8","6","1") = "7"
    & skf18("7","4","6","6","8","7","1") = "7"
    & skf18("7","4","6","6","8","8","1") = "7"
    & skf18("7","4","6","6","8","9","1") = "8"
    & skf18("7","4","6","6","8","10","1") = "9"
    & skf18("7","4","6","6","9","1","1") = "8"
    & skf18("7","4","6","6","9","2","1") = "8"
    & skf18("7","4","6","6","9","3","1") = "8"
    & skf18("7","4","6","6","9","4","1") = "8"
    & skf18("7","4","6","6","9","5","1") = "8"
    & skf18("7","4","6","6","9","6","1") = "8"
    & skf18("7","4","6","6","9","7","1") = "8"
    & skf18("7","4","6","6","9","8","1") = "8"
    & skf18("7","4","6","6","9","9","1") = "8"
    & skf18("7","4","6","6","9","10","1") = "9"
    & skf18("7","4","6","6","10","1","1") = "9"
    & skf18("7","4","6","6","10","2","1") = "9"
    & skf18("7","4","6","6","10","3","1") = "9"
    & skf18("7","4","6","6","10","4","1") = "9"
    & skf18("7","4","6","6","10","5","1") = "9"
    & skf18("7","4","6","6","10","6","1") = "9"
    & skf18("7","4","6","6","10","7","1") = "9"
    & skf18("7","4","6","6","10","8","1") = "9"
    & skf18("7","4","6","6","10","9","1") = "9"
    & skf18("7","4","6","6","10","10","1") = "9"
    & skf18("7","4","6","7","1","1","1") = "6"
    & skf18("7","4","6","7","1","2","1") = "6"
    & skf18("7","4","6","7","1","3","1") = "6"
    & skf18("7","4","6","7","1","4","1") = "6"
    & skf18("7","4","6","7","1","5","1") = "6"
    & skf18("7","4","6","7","1","6","1") = "6"
    & skf18("7","4","6","7","1","7","1") = "6"
    & skf18("7","4","6","7","1","8","1") = "7"
    & skf18("7","4","6","7","1","9","1") = "8"
    & skf18("7","4","6","7","1","10","1") = "9"
    & skf18("7","4","6","7","2","1","1") = "6"
    & skf18("7","4","6","7","2","2","1") = "6"
    & skf18("7","4","6","7","2","3","1") = "6"
    & skf18("7","4","6","7","2","4","1") = "6"
    & skf18("7","4","6","7","2","5","1") = "6"
    & skf18("7","4","6","7","2","6","1") = "6"
    & skf18("7","4","6","7","2","7","1") = "6"
    & skf18("7","4","6","7","2","8","1") = "7"
    & skf18("7","4","6","7","2","9","1") = "8"
    & skf18("7","4","6","7","2","10","1") = "9"
    & skf18("7","4","6","7","3","1","1") = "6"
    & skf18("7","4","6","7","3","2","1") = "6"
    & skf18("7","4","6","7","3","3","1") = "6"
    & skf18("7","4","6","7","3","4","1") = "6"
    & skf18("7","4","6","7","3","5","1") = "6"
    & skf18("7","4","6","7","3","6","1") = "6"
    & skf18("7","4","6","7","3","7","1") = "6"
    & skf18("7","4","6","7","3","8","1") = "7"
    & skf18("7","4","6","7","3","9","1") = "8"
    & skf18("7","4","6","7","3","10","1") = "9"
    & skf18("7","4","6","7","4","1","1") = "6"
    & skf18("7","4","6","7","4","2","1") = "6"
    & skf18("7","4","6","7","4","3","1") = "6"
    & skf18("7","4","6","7","4","4","1") = "6"
    & skf18("7","4","6","7","4","5","1") = "6"
    & skf18("7","4","6","7","4","6","1") = "6"
    & skf18("7","4","6","7","4","7","1") = "6"
    & skf18("7","4","6","7","4","8","1") = "7"
    & skf18("7","4","6","7","4","9","1") = "8"
    & skf18("7","4","6","7","4","10","1") = "9"
    & skf18("7","4","6","7","5","1","1") = "6"
    & skf18("7","4","6","7","5","2","1") = "6"
    & skf18("7","4","6","7","5","3","1") = "6"
    & skf18("7","4","6","7","5","4","1") = "6"
    & skf18("7","4","6","7","5","5","1") = "6"
    & skf18("7","4","6","7","5","6","1") = "6"
    & skf18("7","4","6","7","5","7","1") = "6"
    & skf18("7","4","6","7","5","8","1") = "7"
    & skf18("7","4","6","7","5","9","1") = "8"
    & skf18("7","4","6","7","5","10","1") = "9"
    & skf18("7","4","6","7","6","1","1") = "6"
    & skf18("7","4","6","7","6","2","1") = "6"
    & skf18("7","4","6","7","6","3","1") = "6"
    & skf18("7","4","6","7","6","4","1") = "6"
    & skf18("7","4","6","7","6","5","1") = "6"
    & skf18("7","4","6","7","6","6","1") = "6"
    & skf18("7","4","6","7","6","7","1") = "6"
    & skf18("7","4","6","7","6","8","1") = "7"
    & skf18("7","4","6","7","6","9","1") = "8"
    & skf18("7","4","6","7","6","10","1") = "9"
    & skf18("7","4","6","7","7","1","1") = "6"
    & skf18("7","4","6","7","7","2","1") = "6"
    & skf18("7","4","6","7","7","3","1") = "6"
    & skf18("7","4","6","7","7","4","1") = "6"
    & skf18("7","4","6","7","7","5","1") = "6"
    & skf18("7","4","6","7","7","6","1") = "6"
    & skf18("7","4","6","7","7","7","1") = "6"
    & skf18("7","4","6","7","7","8","1") = "7"
    & skf18("7","4","6","7","7","9","1") = "8"
    & skf18("7","4","6","7","7","10","1") = "9"
    & skf18("7","4","6","7","8","1","1") = "7"
    & skf18("7","4","6","7","8","2","1") = "7"
    & skf18("7","4","6","7","8","3","1") = "7"
    & skf18("7","4","6","7","8","4","1") = "7"
    & skf18("7","4","6","7","8","5","1") = "7"
    & skf18("7","4","6","7","8","6","1") = "7"
    & skf18("7","4","6","7","8","7","1") = "7"
    & skf18("7","4","6","7","8","8","1") = "7"
    & skf18("7","4","6","7","8","9","1") = "8"
    & skf18("7","4","6","7","8","10","1") = "9"
    & skf18("7","4","6","7","9","1","1") = "8"
    & skf18("7","4","6","7","9","2","1") = "8"
    & skf18("7","4","6","7","9","3","1") = "8"
    & skf18("7","4","6","7","9","4","1") = "8"
    & skf18("7","4","6","7","9","5","1") = "8"
    & skf18("7","4","6","7","9","6","1") = "8"
    & skf18("7","4","6","7","9","7","1") = "8"
    & skf18("7","4","6","7","9","8","1") = "8"
    & skf18("7","4","6","7","9","9","1") = "8"
    & skf18("7","4","6","7","9","10","1") = "9"
    & skf18("7","4","6","7","10","1","1") = "9"
    & skf18("7","4","6","7","10","2","1") = "9"
    & skf18("7","4","6","7","10","3","1") = "9"
    & skf18("7","4","6","7","10","4","1") = "9"
    & skf18("7","4","6","7","10","5","1") = "9"
    & skf18("7","4","6","7","10","6","1") = "9"
    & skf18("7","4","6","7","10","7","1") = "9"
    & skf18("7","4","6","7","10","8","1") = "9"
    & skf18("7","4","6","7","10","9","1") = "9"
    & skf18("7","4","6","7","10","10","1") = "9"
    & skf18("7","4","6","8","1","1","1") = "7"
    & skf18("7","4","6","8","1","2","1") = "7"
    & skf18("7","4","6","8","1","3","1") = "7"
    & skf18("7","4","6","8","1","4","1") = "7"
    & skf18("7","4","6","8","1","5","1") = "7"
    & skf18("7","4","6","8","1","6","1") = "7"
    & skf18("7","4","6","8","1","7","1") = "7"
    & skf18("7","4","6","8","1","8","1") = "7"
    & skf18("7","4","6","8","1","9","1") = "8"
    & skf18("7","4","6","8","1","10","1") = "9"
    & skf18("7","4","6","8","2","1","1") = "7"
    & skf18("7","4","6","8","2","2","1") = "7"
    & skf18("7","4","6","8","2","3","1") = "7"
    & skf18("7","4","6","8","2","4","1") = "7"
    & skf18("7","4","6","8","2","5","1") = "7"
    & skf18("7","4","6","8","2","6","1") = "7"
    & skf18("7","4","6","8","2","7","1") = "7"
    & skf18("7","4","6","8","2","8","1") = "7"
    & skf18("7","4","6","8","2","9","1") = "8"
    & skf18("7","4","6","8","2","10","1") = "9"
    & skf18("7","4","6","8","3","1","1") = "7"
    & skf18("7","4","6","8","3","2","1") = "7"
    & skf18("7","4","6","8","3","3","1") = "7"
    & skf18("7","4","6","8","3","4","1") = "7"
    & skf18("7","4","6","8","3","5","1") = "7"
    & skf18("7","4","6","8","3","6","1") = "7"
    & skf18("7","4","6","8","3","7","1") = "7"
    & skf18("7","4","6","8","3","8","1") = "7"
    & skf18("7","4","6","8","3","9","1") = "8"
    & skf18("7","4","6","8","3","10","1") = "9"
    & skf18("7","4","6","8","4","1","1") = "7"
    & skf18("7","4","6","8","4","2","1") = "7"
    & skf18("7","4","6","8","4","3","1") = "7"
    & skf18("7","4","6","8","4","4","1") = "7"
    & skf18("7","4","6","8","4","5","1") = "7"
    & skf18("7","4","6","8","4","6","1") = "7"
    & skf18("7","4","6","8","4","7","1") = "7"
    & skf18("7","4","6","8","4","8","1") = "7"
    & skf18("7","4","6","8","4","9","1") = "8"
    & skf18("7","4","6","8","4","10","1") = "9"
    & skf18("7","4","6","8","5","1","1") = "7"
    & skf18("7","4","6","8","5","2","1") = "7"
    & skf18("7","4","6","8","5","3","1") = "7"
    & skf18("7","4","6","8","5","4","1") = "7"
    & skf18("7","4","6","8","5","5","1") = "7"
    & skf18("7","4","6","8","5","6","1") = "7"
    & skf18("7","4","6","8","5","7","1") = "7"
    & skf18("7","4","6","8","5","8","1") = "7"
    & skf18("7","4","6","8","5","9","1") = "8"
    & skf18("7","4","6","8","5","10","1") = "9"
    & skf18("7","4","6","8","6","1","1") = "7"
    & skf18("7","4","6","8","6","2","1") = "7"
    & skf18("7","4","6","8","6","3","1") = "7"
    & skf18("7","4","6","8","6","4","1") = "7"
    & skf18("7","4","6","8","6","5","1") = "7"
    & skf18("7","4","6","8","6","6","1") = "7"
    & skf18("7","4","6","8","6","7","1") = "7"
    & skf18("7","4","6","8","6","8","1") = "7"
    & skf18("7","4","6","8","6","9","1") = "8"
    & skf18("7","4","6","8","6","10","1") = "9"
    & skf18("7","4","6","8","7","1","1") = "7"
    & skf18("7","4","6","8","7","2","1") = "7"
    & skf18("7","4","6","8","7","3","1") = "7"
    & skf18("7","4","6","8","7","4","1") = "7"
    & skf18("7","4","6","8","7","5","1") = "7"
    & skf18("7","4","6","8","7","6","1") = "7"
    & skf18("7","4","6","8","7","7","1") = "7"
    & skf18("7","4","6","8","7","8","1") = "7"
    & skf18("7","4","6","8","7","9","1") = "8"
    & skf18("7","4","6","8","7","10","1") = "9"
    & skf18("7","4","6","8","8","1","1") = "7"
    & skf18("7","4","6","8","8","2","1") = "7"
    & skf18("7","4","6","8","8","3","1") = "7"
    & skf18("7","4","6","8","8","4","1") = "7"
    & skf18("7","4","6","8","8","5","1") = "7"
    & skf18("7","4","6","8","8","6","1") = "7"
    & skf18("7","4","6","8","8","7","1") = "7"
    & skf18("7","4","6","8","8","8","1") = "7"
    & skf18("7","4","6","8","8","9","1") = "8"
    & skf18("7","4","6","8","8","10","1") = "9"
    & skf18("7","4","6","8","9","1","1") = "8"
    & skf18("7","4","6","8","9","2","1") = "8"
    & skf18("7","4","6","8","9","3","1") = "8"
    & skf18("7","4","6","8","9","4","1") = "8"
    & skf18("7","4","6","8","9","5","1") = "8"
    & skf18("7","4","6","8","9","6","1") = "8"
    & skf18("7","4","6","8","9","7","1") = "8"
    & skf18("7","4","6","8","9","8","1") = "8"
    & skf18("7","4","6","8","9","9","1") = "8"
    & skf18("7","4","6","8","9","10","1") = "9"
    & skf18("7","4","6","8","10","1","1") = "9"
    & skf18("7","4","6","8","10","2","1") = "9"
    & skf18("7","4","6","8","10","3","1") = "9"
    & skf18("7","4","6","8","10","4","1") = "9"
    & skf18("7","4","6","8","10","5","1") = "9"
    & skf18("7","4","6","8","10","6","1") = "9"
    & skf18("7","4","6","8","10","7","1") = "9"
    & skf18("7","4","6","8","10","8","1") = "9"
    & skf18("7","4","6","8","10","9","1") = "9"
    & skf18("7","4","6","8","10","10","1") = "9"
    & skf18("7","4","6","9","1","1","1") = "8"
    & skf18("7","4","6","9","1","2","1") = "8"
    & skf18("7","4","6","9","1","3","1") = "8"
    & skf18("7","4","6","9","1","4","1") = "8"
    & skf18("7","4","6","9","1","5","1") = "8"
    & skf18("7","4","6","9","1","6","1") = "8"
    & skf18("7","4","6","9","1","7","1") = "8"
    & skf18("7","4","6","9","1","8","1") = "8"
    & skf18("7","4","6","9","1","9","1") = "8"
    & skf18("7","4","6","9","1","10","1") = "9"
    & skf18("7","4","6","9","2","1","1") = "8"
    & skf18("7","4","6","9","2","2","1") = "8"
    & skf18("7","4","6","9","2","3","1") = "8"
    & skf18("7","4","6","9","2","4","1") = "8"
    & skf18("7","4","6","9","2","5","1") = "8"
    & skf18("7","4","6","9","2","6","1") = "8"
    & skf18("7","4","6","9","2","7","1") = "8"
    & skf18("7","4","6","9","2","8","1") = "8"
    & skf18("7","4","6","9","2","9","1") = "8"
    & skf18("7","4","6","9","2","10","1") = "9"
    & skf18("7","4","6","9","3","1","1") = "8"
    & skf18("7","4","6","9","3","2","1") = "8"
    & skf18("7","4","6","9","3","3","1") = "8"
    & skf18("7","4","6","9","3","4","1") = "8"
    & skf18("7","4","6","9","3","5","1") = "8"
    & skf18("7","4","6","9","3","6","1") = "8"
    & skf18("7","4","6","9","3","7","1") = "8"
    & skf18("7","4","6","9","3","8","1") = "8"
    & skf18("7","4","6","9","3","9","1") = "8"
    & skf18("7","4","6","9","3","10","1") = "9"
    & skf18("7","4","6","9","4","1","1") = "8"
    & skf18("7","4","6","9","4","2","1") = "8"
    & skf18("7","4","6","9","4","3","1") = "8"
    & skf18("7","4","6","9","4","4","1") = "8"
    & skf18("7","4","6","9","4","5","1") = "8"
    & skf18("7","4","6","9","4","6","1") = "8"
    & skf18("7","4","6","9","4","7","1") = "8"
    & skf18("7","4","6","9","4","8","1") = "8"
    & skf18("7","4","6","9","4","9","1") = "8"
    & skf18("7","4","6","9","4","10","1") = "9"
    & skf18("7","4","6","9","5","1","1") = "8"
    & skf18("7","4","6","9","5","2","1") = "8"
    & skf18("7","4","6","9","5","3","1") = "8"
    & skf18("7","4","6","9","5","4","1") = "8"
    & skf18("7","4","6","9","5","5","1") = "8"
    & skf18("7","4","6","9","5","6","1") = "8"
    & skf18("7","4","6","9","5","7","1") = "8"
    & skf18("7","4","6","9","5","8","1") = "8"
    & skf18("7","4","6","9","5","9","1") = "8"
    & skf18("7","4","6","9","5","10","1") = "9"
    & skf18("7","4","6","9","6","1","1") = "8"
    & skf18("7","4","6","9","6","2","1") = "8"
    & skf18("7","4","6","9","6","3","1") = "8"
    & skf18("7","4","6","9","6","4","1") = "8"
    & skf18("7","4","6","9","6","5","1") = "8"
    & skf18("7","4","6","9","6","6","1") = "8"
    & skf18("7","4","6","9","6","7","1") = "8"
    & skf18("7","4","6","9","6","8","1") = "8"
    & skf18("7","4","6","9","6","9","1") = "8"
    & skf18("7","4","6","9","6","10","1") = "9"
    & skf18("7","4","6","9","7","1","1") = "8"
    & skf18("7","4","6","9","7","2","1") = "8"
    & skf18("7","4","6","9","7","3","1") = "8"
    & skf18("7","4","6","9","7","4","1") = "8"
    & skf18("7","4","6","9","7","5","1") = "8"
    & skf18("7","4","6","9","7","6","1") = "8"
    & skf18("7","4","6","9","7","7","1") = "8"
    & skf18("7","4","6","9","7","8","1") = "8"
    & skf18("7","4","6","9","7","9","1") = "8"
    & skf18("7","4","6","9","7","10","1") = "9"
    & skf18("7","4","6","9","8","1","1") = "8"
    & skf18("7","4","6","9","8","2","1") = "8"
    & skf18("7","4","6","9","8","3","1") = "8"
    & skf18("7","4","6","9","8","4","1") = "8"
    & skf18("7","4","6","9","8","5","1") = "8"
    & skf18("7","4","6","9","8","6","1") = "8"
    & skf18("7","4","6","9","8","7","1") = "8"
    & skf18("7","4","6","9","8","8","1") = "8"
    & skf18("7","4","6","9","8","9","1") = "8"
    & skf18("7","4","6","9","8","10","1") = "9"
    & skf18("7","4","6","9","9","1","1") = "8"
    & skf18("7","4","6","9","9","2","1") = "8"
    & skf18("7","4","6","9","9","3","1") = "8"
    & skf18("7","4","6","9","9","4","1") = "8"
    & skf18("7","4","6","9","9","5","1") = "8"
    & skf18("7","4","6","9","9","6","1") = "8"
    & skf18("7","4","6","9","9","7","1") = "8"
    & skf18("7","4","6","9","9","8","1") = "8"
    & skf18("7","4","6","9","9","9","1") = "8"
    & skf18("7","4","6","9","9","10","1") = "9"
    & skf18("7","4","6","9","10","1","1") = "9"
    & skf18("7","4","6","9","10","2","1") = "9"
    & skf18("7","4","6","9","10","3","1") = "9"
    & skf18("7","4","6","9","10","4","1") = "9"
    & skf18("7","4","6","9","10","5","1") = "9"
    & skf18("7","4","6","9","10","6","1") = "9"
    & skf18("7","4","6","9","10","7","1") = "9"
    & skf18("7","4","6","9","10","8","1") = "9"
    & skf18("7","4","6","9","10","9","1") = "9"
    & skf18("7","4","6","9","10","10","1") = "9"
    & skf18("7","4","6","10","1","1","1") = "9"
    & skf18("7","4","6","10","1","2","1") = "9"
    & skf18("7","4","6","10","1","3","1") = "9"
    & skf18("7","4","6","10","1","4","1") = "9"
    & skf18("7","4","6","10","1","5","1") = "9"
    & skf18("7","4","6","10","1","6","1") = "9"
    & skf18("7","4","6","10","1","7","1") = "9"
    & skf18("7","4","6","10","1","8","1") = "9"
    & skf18("7","4","6","10","1","9","1") = "9"
    & skf18("7","4","6","10","1","10","1") = "9"
    & skf18("7","4","6","10","2","1","1") = "9"
    & skf18("7","4","6","10","2","2","1") = "9"
    & skf18("7","4","6","10","2","3","1") = "9"
    & skf18("7","4","6","10","2","4","1") = "9"
    & skf18("7","4","6","10","2","5","1") = "9"
    & skf18("7","4","6","10","2","6","1") = "9"
    & skf18("7","4","6","10","2","7","1") = "9"
    & skf18("7","4","6","10","2","8","1") = "9"
    & skf18("7","4","6","10","2","9","1") = "9"
    & skf18("7","4","6","10","2","10","1") = "9"
    & skf18("7","4","6","10","3","1","1") = "9"
    & skf18("7","4","6","10","3","2","1") = "9"
    & skf18("7","4","6","10","3","3","1") = "9"
    & skf18("7","4","6","10","3","4","1") = "9"
    & skf18("7","4","6","10","3","5","1") = "9"
    & skf18("7","4","6","10","3","6","1") = "9"
    & skf18("7","4","6","10","3","7","1") = "9"
    & skf18("7","4","6","10","3","8","1") = "9"
    & skf18("7","4","6","10","3","9","1") = "9"
    & skf18("7","4","6","10","3","10","1") = "9"
    & skf18("7","4","6","10","4","1","1") = "9"
    & skf18("7","4","6","10","4","2","1") = "9"
    & skf18("7","4","6","10","4","3","1") = "9"
    & skf18("7","4","6","10","4","4","1") = "9"
    & skf18("7","4","6","10","4","5","1") = "9"
    & skf18("7","4","6","10","4","6","1") = "9"
    & skf18("7","4","6","10","4","7","1") = "9"
    & skf18("7","4","6","10","4","8","1") = "9"
    & skf18("7","4","6","10","4","9","1") = "9"
    & skf18("7","4","6","10","4","10","1") = "9"
    & skf18("7","4","6","10","5","1","1") = "9"
    & skf18("7","4","6","10","5","2","1") = "9"
    & skf18("7","4","6","10","5","3","1") = "9"
    & skf18("7","4","6","10","5","4","1") = "9"
    & skf18("7","4","6","10","5","5","1") = "9"
    & skf18("7","4","6","10","5","6","1") = "9"
    & skf18("7","4","6","10","5","7","1") = "9"
    & skf18("7","4","6","10","5","8","1") = "9"
    & skf18("7","4","6","10","5","9","1") = "9"
    & skf18("7","4","6","10","5","10","1") = "9"
    & skf18("7","4","6","10","6","1","1") = "9"
    & skf18("7","4","6","10","6","2","1") = "9"
    & skf18("7","4","6","10","6","3","1") = "9"
    & skf18("7","4","6","10","6","4","1") = "9"
    & skf18("7","4","6","10","6","5","1") = "9"
    & skf18("7","4","6","10","6","6","1") = "9"
    & skf18("7","4","6","10","6","7","1") = "9"
    & skf18("7","4","6","10","6","8","1") = "9"
    & skf18("7","4","6","10","6","9","1") = "9"
    & skf18("7","4","6","10","6","10","1") = "9"
    & skf18("7","4","6","10","7","1","1") = "9"
    & skf18("7","4","6","10","7","2","1") = "9"
    & skf18("7","4","6","10","7","3","1") = "9"
    & skf18("7","4","6","10","7","4","1") = "9"
    & skf18("7","4","6","10","7","5","1") = "9"
    & skf18("7","4","6","10","7","6","1") = "9"
    & skf18("7","4","6","10","7","7","1") = "9"
    & skf18("7","4","6","10","7","8","1") = "9"
    & skf18("7","4","6","10","7","9","1") = "9"
    & skf18("7","4","6","10","7","10","1") = "9"
    & skf18("7","4","6","10","8","1","1") = "9"
    & skf18("7","4","6","10","8","2","1") = "9"
    & skf18("7","4","6","10","8","3","1") = "9"
    & skf18("7","4","6","10","8","4","1") = "9"
    & skf18("7","4","6","10","8","5","1") = "9"
    & skf18("7","4","6","10","8","6","1") = "9"
    & skf18("7","4","6","10","8","7","1") = "9"
    & skf18("7","4","6","10","8","8","1") = "9"
    & skf18("7","4","6","10","8","9","1") = "9"
    & skf18("7","4","6","10","8","10","1") = "9"
    & skf18("7","4","6","10","9","1","1") = "9"
    & skf18("7","4","6","10","9","2","1") = "9"
    & skf18("7","4","6","10","9","3","1") = "9"
    & skf18("7","4","6","10","9","4","1") = "9"
    & skf18("7","4","6","10","9","5","1") = "9"
    & skf18("7","4","6","10","9","6","1") = "9"
    & skf18("7","4","6","10","9","7","1") = "9"
    & skf18("7","4","6","10","9","8","1") = "9"
    & skf18("7","4","6","10","9","9","1") = "9"
    & skf18("7","4","6","10","9","10","1") = "9"
    & skf18("7","4","6","10","10","1","1") = "9"
    & skf18("7","4","6","10","10","2","1") = "9"
    & skf18("7","4","6","10","10","3","1") = "9"
    & skf18("7","4","6","10","10","4","1") = "9"
    & skf18("7","4","6","10","10","5","1") = "9"
    & skf18("7","4","6","10","10","6","1") = "9"
    & skf18("7","4","6","10","10","7","1") = "9"
    & skf18("7","4","6","10","10","8","1") = "9"
    & skf18("7","4","6","10","10","9","1") = "9"
    & skf18("7","4","6","10","10","10","1") = "9"
    & skf18("7","4","7","1","1","1","1") = "6"
    & skf18("7","4","7","1","1","2","1") = "6"
    & skf18("7","4","7","1","1","3","1") = "6"
    & skf18("7","4","7","1","1","4","1") = "6"
    & skf18("7","4","7","1","1","5","1") = "6"
    & skf18("7","4","7","1","1","6","1") = "6"
    & skf18("7","4","7","1","1","7","1") = "6"
    & skf18("7","4","7","1","1","8","1") = "7"
    & skf18("7","4","7","1","1","9","1") = "8"
    & skf18("7","4","7","1","1","10","1") = "9"
    & skf18("7","4","7","1","2","1","1") = "6"
    & skf18("7","4","7","1","2","2","1") = "6"
    & skf18("7","4","7","1","2","3","1") = "6"
    & skf18("7","4","7","1","2","4","1") = "6"
    & skf18("7","4","7","1","2","5","1") = "6"
    & skf18("7","4","7","1","2","6","1") = "6"
    & skf18("7","4","7","1","2","7","1") = "6"
    & skf18("7","4","7","1","2","8","1") = "7"
    & skf18("7","4","7","1","2","9","1") = "8"
    & skf18("7","4","7","1","2","10","1") = "9"
    & skf18("7","4","7","1","3","1","1") = "6"
    & skf18("7","4","7","1","3","2","1") = "6"
    & skf18("7","4","7","1","3","3","1") = "6"
    & skf18("7","4","7","1","3","4","1") = "6"
    & skf18("7","4","7","1","3","5","1") = "6"
    & skf18("7","4","7","1","3","6","1") = "6"
    & skf18("7","4","7","1","3","7","1") = "6"
    & skf18("7","4","7","1","3","8","1") = "7"
    & skf18("7","4","7","1","3","9","1") = "8"
    & skf18("7","4","7","1","3","10","1") = "9"
    & skf18("7","4","7","1","4","1","1") = "6"
    & skf18("7","4","7","1","4","2","1") = "6"
    & skf18("7","4","7","1","4","3","1") = "6"
    & skf18("7","4","7","1","4","4","1") = "6"
    & skf18("7","4","7","1","4","5","1") = "6"
    & skf18("7","4","7","1","4","6","1") = "6"
    & skf18("7","4","7","1","4","7","1") = "6"
    & skf18("7","4","7","1","4","8","1") = "7"
    & skf18("7","4","7","1","4","9","1") = "8"
    & skf18("7","4","7","1","4","10","1") = "9"
    & skf18("7","4","7","1","5","1","1") = "6"
    & skf18("7","4","7","1","5","2","1") = "6"
    & skf18("7","4","7","1","5","3","1") = "6"
    & skf18("7","4","7","1","5","4","1") = "6"
    & skf18("7","4","7","1","5","5","1") = "6"
    & skf18("7","4","7","1","5","6","1") = "6"
    & skf18("7","4","7","1","5","7","1") = "6"
    & skf18("7","4","7","1","5","8","1") = "7"
    & skf18("7","4","7","1","5","9","1") = "8"
    & skf18("7","4","7","1","5","10","1") = "9"
    & skf18("7","4","7","1","6","1","1") = "6"
    & skf18("7","4","7","1","6","2","1") = "6"
    & skf18("7","4","7","1","6","3","1") = "6"
    & skf18("7","4","7","1","6","4","1") = "6"
    & skf18("7","4","7","1","6","5","1") = "6"
    & skf18("7","4","7","1","6","6","1") = "6"
    & skf18("7","4","7","1","6","7","1") = "6"
    & skf18("7","4","7","1","6","8","1") = "7"
    & skf18("7","4","7","1","6","9","1") = "8"
    & skf18("7","4","7","1","6","10","1") = "9"
    & skf18("7","4","7","1","7","1","1") = "6"
    & skf18("7","4","7","1","7","2","1") = "6"
    & skf18("7","4","7","1","7","3","1") = "6"
    & skf18("7","4","7","1","7","4","1") = "6"
    & skf18("7","4","7","1","7","5","1") = "6"
    & skf18("7","4","7","1","7","6","1") = "6"
    & skf18("7","4","7","1","7","7","1") = "6"
    & skf18("7","4","7","1","7","8","1") = "7"
    & skf18("7","4","7","1","7","9","1") = "8"
    & skf18("7","4","7","1","7","10","1") = "9"
    & skf18("7","4","7","1","8","1","1") = "7"
    & skf18("7","4","7","1","8","2","1") = "7"
    & skf18("7","4","7","1","8","3","1") = "7"
    & skf18("7","4","7","1","8","4","1") = "7"
    & skf18("7","4","7","1","8","5","1") = "7"
    & skf18("7","4","7","1","8","6","1") = "7"
    & skf18("7","4","7","1","8","7","1") = "7"
    & skf18("7","4","7","1","8","8","1") = "7"
    & skf18("7","4","7","1","8","9","1") = "8"
    & skf18("7","4","7","1","8","10","1") = "9"
    & skf18("7","4","7","1","9","1","1") = "8"
    & skf18("7","4","7","1","9","2","1") = "8"
    & skf18("7","4","7","1","9","3","1") = "8"
    & skf18("7","4","7","1","9","4","1") = "8"
    & skf18("7","4","7","1","9","5","1") = "8"
    & skf18("7","4","7","1","9","6","1") = "8"
    & skf18("7","4","7","1","9","7","1") = "8"
    & skf18("7","4","7","1","9","8","1") = "8"
    & skf18("7","4","7","1","9","9","1") = "8"
    & skf18("7","4","7","1","9","10","1") = "9"
    & skf18("7","4","7","1","10","1","1") = "9"
    & skf18("7","4","7","1","10","2","1") = "9"
    & skf18("7","4","7","1","10","3","1") = "9"
    & skf18("7","4","7","1","10","4","1") = "9"
    & skf18("7","4","7","1","10","5","1") = "9"
    & skf18("7","4","7","1","10","6","1") = "9"
    & skf18("7","4","7","1","10","7","1") = "9"
    & skf18("7","4","7","1","10","8","1") = "9"
    & skf18("7","4","7","1","10","9","1") = "9"
    & skf18("7","4","7","1","10","10","1") = "9"
    & skf18("7","4","7","2","1","1","1") = "6"
    & skf18("7","4","7","2","1","2","1") = "6"
    & skf18("7","4","7","2","1","3","1") = "6"
    & skf18("7","4","7","2","1","4","1") = "6"
    & skf18("7","4","7","2","1","5","1") = "6"
    & skf18("7","4","7","2","1","6","1") = "6"
    & skf18("7","4","7","2","1","7","1") = "6"
    & skf18("7","4","7","2","1","8","1") = "7"
    & skf18("7","4","7","2","1","9","1") = "8"
    & skf18("7","4","7","2","1","10","1") = "9"
    & skf18("7","4","7","2","2","1","1") = "6"
    & skf18("7","4","7","2","2","2","1") = "6"
    & skf18("7","4","7","2","2","3","1") = "6"
    & skf18("7","4","7","2","2","4","1") = "6"
    & skf18("7","4","7","2","2","5","1") = "6"
    & skf18("7","4","7","2","2","6","1") = "6"
    & skf18("7","4","7","2","2","7","1") = "6"
    & skf18("7","4","7","2","2","8","1") = "7"
    & skf18("7","4","7","2","2","9","1") = "8"
    & skf18("7","4","7","2","2","10","1") = "9"
    & skf18("7","4","7","2","3","1","1") = "6"
    & skf18("7","4","7","2","3","2","1") = "6"
    & skf18("7","4","7","2","3","3","1") = "6"
    & skf18("7","4","7","2","3","4","1") = "6"
    & skf18("7","4","7","2","3","5","1") = "6"
    & skf18("7","4","7","2","3","6","1") = "6"
    & skf18("7","4","7","2","3","7","1") = "6"
    & skf18("7","4","7","2","3","8","1") = "7"
    & skf18("7","4","7","2","3","9","1") = "8"
    & skf18("7","4","7","2","3","10","1") = "9"
    & skf18("7","4","7","2","4","1","1") = "6"
    & skf18("7","4","7","2","4","2","1") = "6"
    & skf18("7","4","7","2","4","3","1") = "6"
    & skf18("7","4","7","2","4","4","1") = "6"
    & skf18("7","4","7","2","4","5","1") = "6"
    & skf18("7","4","7","2","4","6","1") = "6"
    & skf18("7","4","7","2","4","7","1") = "6"
    & skf18("7","4","7","2","4","8","1") = "7"
    & skf18("7","4","7","2","4","9","1") = "8"
    & skf18("7","4","7","2","4","10","1") = "9"
    & skf18("7","4","7","2","5","1","1") = "6"
    & skf18("7","4","7","2","5","2","1") = "6"
    & skf18("7","4","7","2","5","3","1") = "6"
    & skf18("7","4","7","2","5","4","1") = "6"
    & skf18("7","4","7","2","5","5","1") = "6"
    & skf18("7","4","7","2","5","6","1") = "6"
    & skf18("7","4","7","2","5","7","1") = "6"
    & skf18("7","4","7","2","5","8","1") = "7"
    & skf18("7","4","7","2","5","9","1") = "8"
    & skf18("7","4","7","2","5","10","1") = "9"
    & skf18("7","4","7","2","6","1","1") = "6"
    & skf18("7","4","7","2","6","2","1") = "6"
    & skf18("7","4","7","2","6","3","1") = "6"
    & skf18("7","4","7","2","6","4","1") = "6"
    & skf18("7","4","7","2","6","5","1") = "6"
    & skf18("7","4","7","2","6","6","1") = "6"
    & skf18("7","4","7","2","6","7","1") = "6"
    & skf18("7","4","7","2","6","8","1") = "7"
    & skf18("7","4","7","2","6","9","1") = "8"
    & skf18("7","4","7","2","6","10","1") = "9"
    & skf18("7","4","7","2","7","1","1") = "6"
    & skf18("7","4","7","2","7","2","1") = "6"
    & skf18("7","4","7","2","7","3","1") = "6"
    & skf18("7","4","7","2","7","4","1") = "6"
    & skf18("7","4","7","2","7","5","1") = "6"
    & skf18("7","4","7","2","7","6","1") = "6"
    & skf18("7","4","7","2","7","7","1") = "6"
    & skf18("7","4","7","2","7","8","1") = "7"
    & skf18("7","4","7","2","7","9","1") = "8"
    & skf18("7","4","7","2","7","10","1") = "9"
    & skf18("7","4","7","2","8","1","1") = "7"
    & skf18("7","4","7","2","8","2","1") = "7"
    & skf18("7","4","7","2","8","3","1") = "7"
    & skf18("7","4","7","2","8","4","1") = "7"
    & skf18("7","4","7","2","8","5","1") = "7"
    & skf18("7","4","7","2","8","6","1") = "7"
    & skf18("7","4","7","2","8","7","1") = "7"
    & skf18("7","4","7","2","8","8","1") = "7"
    & skf18("7","4","7","2","8","9","1") = "8"
    & skf18("7","4","7","2","8","10","1") = "9"
    & skf18("7","4","7","2","9","1","1") = "8"
    & skf18("7","4","7","2","9","2","1") = "8"
    & skf18("7","4","7","2","9","3","1") = "8"
    & skf18("7","4","7","2","9","4","1") = "8"
    & skf18("7","4","7","2","9","5","1") = "8"
    & skf18("7","4","7","2","9","6","1") = "8"
    & skf18("7","4","7","2","9","7","1") = "8"
    & skf18("7","4","7","2","9","8","1") = "8"
    & skf18("7","4","7","2","9","9","1") = "8"
    & skf18("7","4","7","2","9","10","1") = "9"
    & skf18("7","4","7","2","10","1","1") = "9"
    & skf18("7","4","7","2","10","2","1") = "9"
    & skf18("7","4","7","2","10","3","1") = "9"
    & skf18("7","4","7","2","10","4","1") = "9"
    & skf18("7","4","7","2","10","5","1") = "9"
    & skf18("7","4","7","2","10","6","1") = "9"
    & skf18("7","4","7","2","10","7","1") = "9"
    & skf18("7","4","7","2","10","8","1") = "9"
    & skf18("7","4","7","2","10","9","1") = "9"
    & skf18("7","4","7","2","10","10","1") = "9"
    & skf18("7","4","7","3","1","1","1") = "6"
    & skf18("7","4","7","3","1","2","1") = "6"
    & skf18("7","4","7","3","1","3","1") = "6"
    & skf18("7","4","7","3","1","4","1") = "6"
    & skf18("7","4","7","3","1","5","1") = "6"
    & skf18("7","4","7","3","1","6","1") = "6"
    & skf18("7","4","7","3","1","7","1") = "6"
    & skf18("7","4","7","3","1","8","1") = "7"
    & skf18("7","4","7","3","1","9","1") = "8"
    & skf18("7","4","7","3","1","10","1") = "9"
    & skf18("7","4","7","3","2","1","1") = "6"
    & skf18("7","4","7","3","2","2","1") = "6"
    & skf18("7","4","7","3","2","3","1") = "6"
    & skf18("7","4","7","3","2","4","1") = "6"
    & skf18("7","4","7","3","2","5","1") = "6"
    & skf18("7","4","7","3","2","6","1") = "6"
    & skf18("7","4","7","3","2","7","1") = "6"
    & skf18("7","4","7","3","2","8","1") = "7"
    & skf18("7","4","7","3","2","9","1") = "8"
    & skf18("7","4","7","3","2","10","1") = "9"
    & skf18("7","4","7","3","3","1","1") = "6"
    & skf18("7","4","7","3","3","2","1") = "6"
    & skf18("7","4","7","3","3","3","1") = "6"
    & skf18("7","4","7","3","3","4","1") = "6"
    & skf18("7","4","7","3","3","5","1") = "6"
    & skf18("7","4","7","3","3","6","1") = "6"
    & skf18("7","4","7","3","3","7","1") = "6"
    & skf18("7","4","7","3","3","8","1") = "7"
    & skf18("7","4","7","3","3","9","1") = "8"
    & skf18("7","4","7","3","3","10","1") = "9"
    & skf18("7","4","7","3","4","1","1") = "6"
    & skf18("7","4","7","3","4","2","1") = "6"
    & skf18("7","4","7","3","4","3","1") = "6"
    & skf18("7","4","7","3","4","4","1") = "6"
    & skf18("7","4","7","3","4","5","1") = "6"
    & skf18("7","4","7","3","4","6","1") = "6"
    & skf18("7","4","7","3","4","7","1") = "6"
    & skf18("7","4","7","3","4","8","1") = "7"
    & skf18("7","4","7","3","4","9","1") = "8"
    & skf18("7","4","7","3","4","10","1") = "9"
    & skf18("7","4","7","3","5","1","1") = "6"
    & skf18("7","4","7","3","5","2","1") = "6"
    & skf18("7","4","7","3","5","3","1") = "6"
    & skf18("7","4","7","3","5","4","1") = "6"
    & skf18("7","4","7","3","5","5","1") = "6"
    & skf18("7","4","7","3","5","6","1") = "6"
    & skf18("7","4","7","3","5","7","1") = "6"
    & skf18("7","4","7","3","5","8","1") = "7"
    & skf18("7","4","7","3","5","9","1") = "8"
    & skf18("7","4","7","3","5","10","1") = "9"
    & skf18("7","4","7","3","6","1","1") = "6"
    & skf18("7","4","7","3","6","2","1") = "6"
    & skf18("7","4","7","3","6","3","1") = "6"
    & skf18("7","4","7","3","6","4","1") = "6"
    & skf18("7","4","7","3","6","5","1") = "6"
    & skf18("7","4","7","3","6","6","1") = "6"
    & skf18("7","4","7","3","6","7","1") = "6"
    & skf18("7","4","7","3","6","8","1") = "7"
    & skf18("7","4","7","3","6","9","1") = "8"
    & skf18("7","4","7","3","6","10","1") = "9"
    & skf18("7","4","7","3","7","1","1") = "6"
    & skf18("7","4","7","3","7","2","1") = "6"
    & skf18("7","4","7","3","7","3","1") = "6"
    & skf18("7","4","7","3","7","4","1") = "6"
    & skf18("7","4","7","3","7","5","1") = "6"
    & skf18("7","4","7","3","7","6","1") = "6"
    & skf18("7","4","7","3","7","7","1") = "6"
    & skf18("7","4","7","3","7","8","1") = "7"
    & skf18("7","4","7","3","7","9","1") = "8"
    & skf18("7","4","7","3","7","10","1") = "9"
    & skf18("7","4","7","3","8","1","1") = "7"
    & skf18("7","4","7","3","8","2","1") = "7"
    & skf18("7","4","7","3","8","3","1") = "7"
    & skf18("7","4","7","3","8","4","1") = "7"
    & skf18("7","4","7","3","8","5","1") = "7"
    & skf18("7","4","7","3","8","6","1") = "7"
    & skf18("7","4","7","3","8","7","1") = "7"
    & skf18("7","4","7","3","8","8","1") = "7"
    & skf18("7","4","7","3","8","9","1") = "8"
    & skf18("7","4","7","3","8","10","1") = "9"
    & skf18("7","4","7","3","9","1","1") = "8"
    & skf18("7","4","7","3","9","2","1") = "8"
    & skf18("7","4","7","3","9","3","1") = "8"
    & skf18("7","4","7","3","9","4","1") = "8"
    & skf18("7","4","7","3","9","5","1") = "8"
    & skf18("7","4","7","3","9","6","1") = "8"
    & skf18("7","4","7","3","9","7","1") = "8"
    & skf18("7","4","7","3","9","8","1") = "8"
    & skf18("7","4","7","3","9","9","1") = "8"
    & skf18("7","4","7","3","9","10","1") = "9"
    & skf18("7","4","7","3","10","1","1") = "9"
    & skf18("7","4","7","3","10","2","1") = "9"
    & skf18("7","4","7","3","10","3","1") = "9"
    & skf18("7","4","7","3","10","4","1") = "9"
    & skf18("7","4","7","3","10","5","1") = "9"
    & skf18("7","4","7","3","10","6","1") = "9"
    & skf18("7","4","7","3","10","7","1") = "9"
    & skf18("7","4","7","3","10","8","1") = "9"
    & skf18("7","4","7","3","10","9","1") = "9"
    & skf18("7","4","7","3","10","10","1") = "9"
    & skf18("7","4","7","4","1","1","1") = "6"
    & skf18("7","4","7","4","1","2","1") = "6"
    & skf18("7","4","7","4","1","3","1") = "6"
    & skf18("7","4","7","4","1","4","1") = "6"
    & skf18("7","4","7","4","1","5","1") = "6"
    & skf18("7","4","7","4","1","6","1") = "6"
    & skf18("7","4","7","4","1","7","1") = "6"
    & skf18("7","4","7","4","1","8","1") = "7"
    & skf18("7","4","7","4","1","9","1") = "8"
    & skf18("7","4","7","4","1","10","1") = "9"
    & skf18("7","4","7","4","2","1","1") = "6"
    & skf18("7","4","7","4","2","2","1") = "6"
    & skf18("7","4","7","4","2","3","1") = "6"
    & skf18("7","4","7","4","2","4","1") = "6"
    & skf18("7","4","7","4","2","5","1") = "6"
    & skf18("7","4","7","4","2","6","1") = "6"
    & skf18("7","4","7","4","2","7","1") = "6"
    & skf18("7","4","7","4","2","8","1") = "7"
    & skf18("7","4","7","4","2","9","1") = "8"
    & skf18("7","4","7","4","2","10","1") = "9"
    & skf18("7","4","7","4","3","1","1") = "6"
    & skf18("7","4","7","4","3","2","1") = "6"
    & skf18("7","4","7","4","3","3","1") = "6"
    & skf18("7","4","7","4","3","4","1") = "6"
    & skf18("7","4","7","4","3","5","1") = "6"
    & skf18("7","4","7","4","3","6","1") = "6"
    & skf18("7","4","7","4","3","7","1") = "6"
    & skf18("7","4","7","4","3","8","1") = "7"
    & skf18("7","4","7","4","3","9","1") = "8"
    & skf18("7","4","7","4","3","10","1") = "9"
    & skf18("7","4","7","4","4","1","1") = "6"
    & skf18("7","4","7","4","4","2","1") = "6"
    & skf18("7","4","7","4","4","3","1") = "6"
    & skf18("7","4","7","4","4","4","1") = "6"
    & skf18("7","4","7","4","4","5","1") = "6"
    & skf18("7","4","7","4","4","6","1") = "6"
    & skf18("7","4","7","4","4","7","1") = "6"
    & skf18("7","4","7","4","4","8","1") = "7"
    & skf18("7","4","7","4","4","9","1") = "8"
    & skf18("7","4","7","4","4","10","1") = "9"
    & skf18("7","4","7","4","5","1","1") = "6"
    & skf18("7","4","7","4","5","2","1") = "6"
    & skf18("7","4","7","4","5","3","1") = "6"
    & skf18("7","4","7","4","5","4","1") = "6"
    & skf18("7","4","7","4","5","5","1") = "6"
    & skf18("7","4","7","4","5","6","1") = "6"
    & skf18("7","4","7","4","5","7","1") = "6"
    & skf18("7","4","7","4","5","8","1") = "7"
    & skf18("7","4","7","4","5","9","1") = "8"
    & skf18("7","4","7","4","5","10","1") = "9"
    & skf18("7","4","7","4","6","1","1") = "6"
    & skf18("7","4","7","4","6","2","1") = "6"
    & skf18("7","4","7","4","6","3","1") = "6"
    & skf18("7","4","7","4","6","4","1") = "6"
    & skf18("7","4","7","4","6","5","1") = "6"
    & skf18("7","4","7","4","6","6","1") = "6"
    & skf18("7","4","7","4","6","7","1") = "6"
    & skf18("7","4","7","4","6","8","1") = "7"
    & skf18("7","4","7","4","6","9","1") = "8"
    & skf18("7","4","7","4","6","10","1") = "9"
    & skf18("7","4","7","4","7","1","1") = "6"
    & skf18("7","4","7","4","7","2","1") = "6"
    & skf18("7","4","7","4","7","3","1") = "6"
    & skf18("7","4","7","4","7","4","1") = "6"
    & skf18("7","4","7","4","7","5","1") = "6"
    & skf18("7","4","7","4","7","6","1") = "6"
    & skf18("7","4","7","4","7","7","1") = "6"
    & skf18("7","4","7","4","7","8","1") = "7"
    & skf18("7","4","7","4","7","9","1") = "8"
    & skf18("7","4","7","4","7","10","1") = "9"
    & skf18("7","4","7","4","8","1","1") = "7"
    & skf18("7","4","7","4","8","2","1") = "7"
    & skf18("7","4","7","4","8","3","1") = "7"
    & skf18("7","4","7","4","8","4","1") = "7"
    & skf18("7","4","7","4","8","5","1") = "7"
    & skf18("7","4","7","4","8","6","1") = "7"
    & skf18("7","4","7","4","8","7","1") = "7"
    & skf18("7","4","7","4","8","8","1") = "7"
    & skf18("7","4","7","4","8","9","1") = "8"
    & skf18("7","4","7","4","8","10","1") = "9"
    & skf18("7","4","7","4","9","1","1") = "8"
    & skf18("7","4","7","4","9","2","1") = "8"
    & skf18("7","4","7","4","9","3","1") = "8"
    & skf18("7","4","7","4","9","4","1") = "8"
    & skf18("7","4","7","4","9","5","1") = "8"
    & skf18("7","4","7","4","9","6","1") = "8"
    & skf18("7","4","7","4","9","7","1") = "8"
    & skf18("7","4","7","4","9","8","1") = "8"
    & skf18("7","4","7","4","9","9","1") = "8"
    & skf18("7","4","7","4","9","10","1") = "9"
    & skf18("7","4","7","4","10","1","1") = "9"
    & skf18("7","4","7","4","10","2","1") = "9"
    & skf18("7","4","7","4","10","3","1") = "9"
    & skf18("7","4","7","4","10","4","1") = "9"
    & skf18("7","4","7","4","10","5","1") = "9"
    & skf18("7","4","7","4","10","6","1") = "9"
    & skf18("7","4","7","4","10","7","1") = "9"
    & skf18("7","4","7","4","10","8","1") = "9"
    & skf18("7","4","7","4","10","9","1") = "9"
    & skf18("7","4","7","4","10","10","1") = "9"
    & skf18("7","4","7","5","1","1","1") = "6"
    & skf18("7","4","7","5","1","2","1") = "6"
    & skf18("7","4","7","5","1","3","1") = "6"
    & skf18("7","4","7","5","1","4","1") = "6"
    & skf18("7","4","7","5","1","5","1") = "6"
    & skf18("7","4","7","5","1","6","1") = "6"
    & skf18("7","4","7","5","1","7","1") = "6"
    & skf18("7","4","7","5","1","8","1") = "7"
    & skf18("7","4","7","5","1","9","1") = "8"
    & skf18("7","4","7","5","1","10","1") = "9"
    & skf18("7","4","7","5","2","1","1") = "6"
    & skf18("7","4","7","5","2","2","1") = "6"
    & skf18("7","4","7","5","2","3","1") = "6"
    & skf18("7","4","7","5","2","4","1") = "6"
    & skf18("7","4","7","5","2","5","1") = "6"
    & skf18("7","4","7","5","2","6","1") = "6"
    & skf18("7","4","7","5","2","7","1") = "6"
    & skf18("7","4","7","5","2","8","1") = "7"
    & skf18("7","4","7","5","2","9","1") = "8"
    & skf18("7","4","7","5","2","10","1") = "9"
    & skf18("7","4","7","5","3","1","1") = "6"
    & skf18("7","4","7","5","3","2","1") = "6"
    & skf18("7","4","7","5","3","3","1") = "6"
    & skf18("7","4","7","5","3","4","1") = "6"
    & skf18("7","4","7","5","3","5","1") = "6"
    & skf18("7","4","7","5","3","6","1") = "6"
    & skf18("7","4","7","5","3","7","1") = "6"
    & skf18("7","4","7","5","3","8","1") = "7"
    & skf18("7","4","7","5","3","9","1") = "8"
    & skf18("7","4","7","5","3","10","1") = "9"
    & skf18("7","4","7","5","4","1","1") = "6"
    & skf18("7","4","7","5","4","2","1") = "6"
    & skf18("7","4","7","5","4","3","1") = "6"
    & skf18("7","4","7","5","4","4","1") = "6"
    & skf18("7","4","7","5","4","5","1") = "6"
    & skf18("7","4","7","5","4","6","1") = "6"
    & skf18("7","4","7","5","4","7","1") = "6"
    & skf18("7","4","7","5","4","8","1") = "7"
    & skf18("7","4","7","5","4","9","1") = "8"
    & skf18("7","4","7","5","4","10","1") = "9"
    & skf18("7","4","7","5","5","1","1") = "6"
    & skf18("7","4","7","5","5","2","1") = "6"
    & skf18("7","4","7","5","5","3","1") = "6"
    & skf18("7","4","7","5","5","4","1") = "6"
    & skf18("7","4","7","5","5","5","1") = "6"
    & skf18("7","4","7","5","5","6","1") = "6"
    & skf18("7","4","7","5","5","7","1") = "6"
    & skf18("7","4","7","5","5","8","1") = "7"
    & skf18("7","4","7","5","5","9","1") = "8"
    & skf18("7","4","7","5","5","10","1") = "9"
    & skf18("7","4","7","5","6","1","1") = "6"
    & skf18("7","4","7","5","6","2","1") = "6"
    & skf18("7","4","7","5","6","3","1") = "6"
    & skf18("7","4","7","5","6","4","1") = "6"
    & skf18("7","4","7","5","6","5","1") = "6"
    & skf18("7","4","7","5","6","6","1") = "6"
    & skf18("7","4","7","5","6","7","1") = "6"
    & skf18("7","4","7","5","6","8","1") = "7"
    & skf18("7","4","7","5","6","9","1") = "8"
    & skf18("7","4","7","5","6","10","1") = "9"
    & skf18("7","4","7","5","7","1","1") = "6"
    & skf18("7","4","7","5","7","2","1") = "6"
    & skf18("7","4","7","5","7","3","1") = "6"
    & skf18("7","4","7","5","7","4","1") = "6"
    & skf18("7","4","7","5","7","5","1") = "6"
    & skf18("7","4","7","5","7","6","1") = "6"
    & skf18("7","4","7","5","7","7","1") = "6"
    & skf18("7","4","7","5","7","8","1") = "7"
    & skf18("7","4","7","5","7","9","1") = "8"
    & skf18("7","4","7","5","7","10","1") = "9"
    & skf18("7","4","7","5","8","1","1") = "7"
    & skf18("7","4","7","5","8","2","1") = "7"
    & skf18("7","4","7","5","8","3","1") = "7"
    & skf18("7","4","7","5","8","4","1") = "7"
    & skf18("7","4","7","5","8","5","1") = "7"
    & skf18("7","4","7","5","8","6","1") = "7"
    & skf18("7","4","7","5","8","7","1") = "7"
    & skf18("7","4","7","5","8","8","1") = "7"
    & skf18("7","4","7","5","8","9","1") = "8"
    & skf18("7","4","7","5","8","10","1") = "9"
    & skf18("7","4","7","5","9","1","1") = "8"
    & skf18("7","4","7","5","9","2","1") = "8"
    & skf18("7","4","7","5","9","3","1") = "8"
    & skf18("7","4","7","5","9","4","1") = "8"
    & skf18("7","4","7","5","9","5","1") = "8"
    & skf18("7","4","7","5","9","6","1") = "8"
    & skf18("7","4","7","5","9","7","1") = "8"
    & skf18("7","4","7","5","9","8","1") = "8"
    & skf18("7","4","7","5","9","9","1") = "8"
    & skf18("7","4","7","5","9","10","1") = "9"
    & skf18("7","4","7","5","10","1","1") = "9"
    & skf18("7","4","7","5","10","2","1") = "9"
    & skf18("7","4","7","5","10","3","1") = "9"
    & skf18("7","4","7","5","10","4","1") = "9"
    & skf18("7","4","7","5","10","5","1") = "9"
    & skf18("7","4","7","5","10","6","1") = "9"
    & skf18("7","4","7","5","10","7","1") = "9"
    & skf18("7","4","7","5","10","8","1") = "9"
    & skf18("7","4","7","5","10","9","1") = "9"
    & skf18("7","4","7","5","10","10","1") = "9"
    & skf18("7","4","7","6","1","1","1") = "6"
    & skf18("7","4","7","6","1","2","1") = "6"
    & skf18("7","4","7","6","1","3","1") = "6"
    & skf18("7","4","7","6","1","4","1") = "6"
    & skf18("7","4","7","6","1","5","1") = "6"
    & skf18("7","4","7","6","1","6","1") = "6"
    & skf18("7","4","7","6","1","7","1") = "6"
    & skf18("7","4","7","6","1","8","1") = "7"
    & skf18("7","4","7","6","1","9","1") = "8"
    & skf18("7","4","7","6","1","10","1") = "9"
    & skf18("7","4","7","6","2","1","1") = "6"
    & skf18("7","4","7","6","2","2","1") = "6"
    & skf18("7","4","7","6","2","3","1") = "6"
    & skf18("7","4","7","6","2","4","1") = "6"
    & skf18("7","4","7","6","2","5","1") = "6"
    & skf18("7","4","7","6","2","6","1") = "6"
    & skf18("7","4","7","6","2","7","1") = "6"
    & skf18("7","4","7","6","2","8","1") = "7"
    & skf18("7","4","7","6","2","9","1") = "8"
    & skf18("7","4","7","6","2","10","1") = "9"
    & skf18("7","4","7","6","3","1","1") = "6"
    & skf18("7","4","7","6","3","2","1") = "6"
    & skf18("7","4","7","6","3","3","1") = "6"
    & skf18("7","4","7","6","3","4","1") = "6"
    & skf18("7","4","7","6","3","5","1") = "6"
    & skf18("7","4","7","6","3","6","1") = "6"
    & skf18("7","4","7","6","3","7","1") = "6"
    & skf18("7","4","7","6","3","8","1") = "7"
    & skf18("7","4","7","6","3","9","1") = "8"
    & skf18("7","4","7","6","3","10","1") = "9"
    & skf18("7","4","7","6","4","1","1") = "6"
    & skf18("7","4","7","6","4","2","1") = "6"
    & skf18("7","4","7","6","4","3","1") = "6"
    & skf18("7","4","7","6","4","4","1") = "6"
    & skf18("7","4","7","6","4","5","1") = "6"
    & skf18("7","4","7","6","4","6","1") = "6"
    & skf18("7","4","7","6","4","7","1") = "6"
    & skf18("7","4","7","6","4","8","1") = "7"
    & skf18("7","4","7","6","4","9","1") = "8"
    & skf18("7","4","7","6","4","10","1") = "9"
    & skf18("7","4","7","6","5","1","1") = "6"
    & skf18("7","4","7","6","5","2","1") = "6"
    & skf18("7","4","7","6","5","3","1") = "6"
    & skf18("7","4","7","6","5","4","1") = "6"
    & skf18("7","4","7","6","5","5","1") = "6"
    & skf18("7","4","7","6","5","6","1") = "6"
    & skf18("7","4","7","6","5","7","1") = "6"
    & skf18("7","4","7","6","5","8","1") = "7"
    & skf18("7","4","7","6","5","9","1") = "8"
    & skf18("7","4","7","6","5","10","1") = "9"
    & skf18("7","4","7","6","6","1","1") = "6"
    & skf18("7","4","7","6","6","2","1") = "6"
    & skf18("7","4","7","6","6","3","1") = "6"
    & skf18("7","4","7","6","6","4","1") = "6"
    & skf18("7","4","7","6","6","5","1") = "6"
    & skf18("7","4","7","6","6","6","1") = "6"
    & skf18("7","4","7","6","6","7","1") = "6"
    & skf18("7","4","7","6","6","8","1") = "7"
    & skf18("7","4","7","6","6","9","1") = "8"
    & skf18("7","4","7","6","6","10","1") = "9"
    & skf18("7","4","7","6","7","1","1") = "6"
    & skf18("7","4","7","6","7","2","1") = "6"
    & skf18("7","4","7","6","7","3","1") = "6"
    & skf18("7","4","7","6","7","4","1") = "6"
    & skf18("7","4","7","6","7","5","1") = "6"
    & skf18("7","4","7","6","7","6","1") = "6"
    & skf18("7","4","7","6","7","7","1") = "6"
    & skf18("7","4","7","6","7","8","1") = "7"
    & skf18("7","4","7","6","7","9","1") = "8"
    & skf18("7","4","7","6","7","10","1") = "9"
    & skf18("7","4","7","6","8","1","1") = "7"
    & skf18("7","4","7","6","8","2","1") = "7"
    & skf18("7","4","7","6","8","3","1") = "7"
    & skf18("7","4","7","6","8","4","1") = "7"
    & skf18("7","4","7","6","8","5","1") = "7"
    & skf18("7","4","7","6","8","6","1") = "7"
    & skf18("7","4","7","6","8","7","1") = "7"
    & skf18("7","4","7","6","8","8","1") = "7"
    & skf18("7","4","7","6","8","9","1") = "8"
    & skf18("7","4","7","6","8","10","1") = "9"
    & skf18("7","4","7","6","9","1","1") = "8"
    & skf18("7","4","7","6","9","2","1") = "8"
    & skf18("7","4","7","6","9","3","1") = "8"
    & skf18("7","4","7","6","9","4","1") = "8"
    & skf18("7","4","7","6","9","5","1") = "8"
    & skf18("7","4","7","6","9","6","1") = "8"
    & skf18("7","4","7","6","9","7","1") = "8"
    & skf18("7","4","7","6","9","8","1") = "8"
    & skf18("7","4","7","6","9","9","1") = "8"
    & skf18("7","4","7","6","9","10","1") = "9"
    & skf18("7","4","7","6","10","1","1") = "9"
    & skf18("7","4","7","6","10","2","1") = "9"
    & skf18("7","4","7","6","10","3","1") = "9"
    & skf18("7","4","7","6","10","4","1") = "9"
    & skf18("7","4","7","6","10","5","1") = "9"
    & skf18("7","4","7","6","10","6","1") = "9"
    & skf18("7","4","7","6","10","7","1") = "9"
    & skf18("7","4","7","6","10","8","1") = "9"
    & skf18("7","4","7","6","10","9","1") = "9"
    & skf18("7","4","7","6","10","10","1") = "9"
    & skf18("7","4","7","7","1","1","1") = "6"
    & skf18("7","4","7","7","1","2","1") = "6"
    & skf18("7","4","7","7","1","3","1") = "6"
    & skf18("7","4","7","7","1","4","1") = "6"
    & skf18("7","4","7","7","1","5","1") = "6"
    & skf18("7","4","7","7","1","6","1") = "6"
    & skf18("7","4","7","7","1","7","1") = "6"
    & skf18("7","4","7","7","1","8","1") = "7"
    & skf18("7","4","7","7","1","9","1") = "8"
    & skf18("7","4","7","7","1","10","1") = "9"
    & skf18("7","4","7","7","2","1","1") = "6"
    & skf18("7","4","7","7","2","2","1") = "6"
    & skf18("7","4","7","7","2","3","1") = "6"
    & skf18("7","4","7","7","2","4","1") = "6"
    & skf18("7","4","7","7","2","5","1") = "6"
    & skf18("7","4","7","7","2","6","1") = "6"
    & skf18("7","4","7","7","2","7","1") = "6"
    & skf18("7","4","7","7","2","8","1") = "7"
    & skf18("7","4","7","7","2","9","1") = "8"
    & skf18("7","4","7","7","2","10","1") = "9"
    & skf18("7","4","7","7","3","1","1") = "6"
    & skf18("7","4","7","7","3","2","1") = "6"
    & skf18("7","4","7","7","3","3","1") = "6"
    & skf18("7","4","7","7","3","4","1") = "6"
    & skf18("7","4","7","7","3","5","1") = "6"
    & skf18("7","4","7","7","3","6","1") = "6"
    & skf18("7","4","7","7","3","7","1") = "6"
    & skf18("7","4","7","7","3","8","1") = "7"
    & skf18("7","4","7","7","3","9","1") = "8"
    & skf18("7","4","7","7","3","10","1") = "9"
    & skf18("7","4","7","7","4","1","1") = "6"
    & skf18("7","4","7","7","4","2","1") = "6"
    & skf18("7","4","7","7","4","3","1") = "6"
    & skf18("7","4","7","7","4","4","1") = "6"
    & skf18("7","4","7","7","4","5","1") = "6"
    & skf18("7","4","7","7","4","6","1") = "6"
    & skf18("7","4","7","7","4","7","1") = "6"
    & skf18("7","4","7","7","4","8","1") = "7"
    & skf18("7","4","7","7","4","9","1") = "8"
    & skf18("7","4","7","7","4","10","1") = "9"
    & skf18("7","4","7","7","5","1","1") = "6"
    & skf18("7","4","7","7","5","2","1") = "6"
    & skf18("7","4","7","7","5","3","1") = "6"
    & skf18("7","4","7","7","5","4","1") = "6"
    & skf18("7","4","7","7","5","5","1") = "6"
    & skf18("7","4","7","7","5","6","1") = "6"
    & skf18("7","4","7","7","5","7","1") = "6"
    & skf18("7","4","7","7","5","8","1") = "7"
    & skf18("7","4","7","7","5","9","1") = "8"
    & skf18("7","4","7","7","5","10","1") = "9"
    & skf18("7","4","7","7","6","1","1") = "6"
    & skf18("7","4","7","7","6","2","1") = "6"
    & skf18("7","4","7","7","6","3","1") = "6"
    & skf18("7","4","7","7","6","4","1") = "6"
    & skf18("7","4","7","7","6","5","1") = "6"
    & skf18("7","4","7","7","6","6","1") = "6"
    & skf18("7","4","7","7","6","7","1") = "6"
    & skf18("7","4","7","7","6","8","1") = "7"
    & skf18("7","4","7","7","6","9","1") = "8"
    & skf18("7","4","7","7","6","10","1") = "9"
    & skf18("7","4","7","7","7","1","1") = "6"
    & skf18("7","4","7","7","7","2","1") = "6"
    & skf18("7","4","7","7","7","3","1") = "6"
    & skf18("7","4","7","7","7","4","1") = "6"
    & skf18("7","4","7","7","7","5","1") = "6"
    & skf18("7","4","7","7","7","6","1") = "6"
    & skf18("7","4","7","7","7","7","1") = "6"
    & skf18("7","4","7","7","7","8","1") = "7"
    & skf18("7","4","7","7","7","9","1") = "8"
    & skf18("7","4","7","7","7","10","1") = "9"
    & skf18("7","4","7","7","8","1","1") = "7"
    & skf18("7","4","7","7","8","2","1") = "7"
    & skf18("7","4","7","7","8","3","1") = "7"
    & skf18("7","4","7","7","8","4","1") = "7"
    & skf18("7","4","7","7","8","5","1") = "7"
    & skf18("7","4","7","7","8","6","1") = "7"
    & skf18("7","4","7","7","8","7","1") = "7"
    & skf18("7","4","7","7","8","8","1") = "7"
    & skf18("7","4","7","7","8","9","1") = "8"
    & skf18("7","4","7","7","8","10","1") = "9"
    & skf18("7","4","7","7","9","1","1") = "8"
    & skf18("7","4","7","7","9","2","1") = "8"
    & skf18("7","4","7","7","9","3","1") = "8"
    & skf18("7","4","7","7","9","4","1") = "8"
    & skf18("7","4","7","7","9","5","1") = "8"
    & skf18("7","4","7","7","9","6","1") = "8"
    & skf18("7","4","7","7","9","7","1") = "8"
    & skf18("7","4","7","7","9","8","1") = "8"
    & skf18("7","4","7","7","9","9","1") = "8"
    & skf18("7","4","7","7","9","10","1") = "9"
    & skf18("7","4","7","7","10","1","1") = "9"
    & skf18("7","4","7","7","10","2","1") = "9"
    & skf18("7","4","7","7","10","3","1") = "9"
    & skf18("7","4","7","7","10","4","1") = "9"
    & skf18("7","4","7","7","10","5","1") = "9"
    & skf18("7","4","7","7","10","6","1") = "9"
    & skf18("7","4","7","7","10","7","1") = "9"
    & skf18("7","4","7","7","10","8","1") = "9"
    & skf18("7","4","7","7","10","9","1") = "9"
    & skf18("7","4","7","7","10","10","1") = "9"
    & skf18("7","4","7","8","1","1","1") = "7"
    & skf18("7","4","7","8","1","2","1") = "7"
    & skf18("7","4","7","8","1","3","1") = "7"
    & skf18("7","4","7","8","1","4","1") = "7"
    & skf18("7","4","7","8","1","5","1") = "7"
    & skf18("7","4","7","8","1","6","1") = "7"
    & skf18("7","4","7","8","1","7","1") = "7"
    & skf18("7","4","7","8","1","8","1") = "7"
    & skf18("7","4","7","8","1","9","1") = "8"
    & skf18("7","4","7","8","1","10","1") = "9"
    & skf18("7","4","7","8","2","1","1") = "7"
    & skf18("7","4","7","8","2","2","1") = "7"
    & skf18("7","4","7","8","2","3","1") = "7"
    & skf18("7","4","7","8","2","4","1") = "7"
    & skf18("7","4","7","8","2","5","1") = "7"
    & skf18("7","4","7","8","2","6","1") = "7"
    & skf18("7","4","7","8","2","7","1") = "7"
    & skf18("7","4","7","8","2","8","1") = "7"
    & skf18("7","4","7","8","2","9","1") = "8"
    & skf18("7","4","7","8","2","10","1") = "9"
    & skf18("7","4","7","8","3","1","1") = "7"
    & skf18("7","4","7","8","3","2","1") = "7"
    & skf18("7","4","7","8","3","3","1") = "7"
    & skf18("7","4","7","8","3","4","1") = "7"
    & skf18("7","4","7","8","3","5","1") = "7"
    & skf18("7","4","7","8","3","6","1") = "7"
    & skf18("7","4","7","8","3","7","1") = "7"
    & skf18("7","4","7","8","3","8","1") = "7"
    & skf18("7","4","7","8","3","9","1") = "8"
    & skf18("7","4","7","8","3","10","1") = "9"
    & skf18("7","4","7","8","4","1","1") = "7"
    & skf18("7","4","7","8","4","2","1") = "7"
    & skf18("7","4","7","8","4","3","1") = "7"
    & skf18("7","4","7","8","4","4","1") = "7"
    & skf18("7","4","7","8","4","5","1") = "7"
    & skf18("7","4","7","8","4","6","1") = "7"
    & skf18("7","4","7","8","4","7","1") = "7"
    & skf18("7","4","7","8","4","8","1") = "7"
    & skf18("7","4","7","8","4","9","1") = "8"
    & skf18("7","4","7","8","4","10","1") = "9"
    & skf18("7","4","7","8","5","1","1") = "7"
    & skf18("7","4","7","8","5","2","1") = "7"
    & skf18("7","4","7","8","5","3","1") = "7"
    & skf18("7","4","7","8","5","4","1") = "7"
    & skf18("7","4","7","8","5","5","1") = "7"
    & skf18("7","4","7","8","5","6","1") = "7"
    & skf18("7","4","7","8","5","7","1") = "7"
    & skf18("7","4","7","8","5","8","1") = "7"
    & skf18("7","4","7","8","5","9","1") = "8"
    & skf18("7","4","7","8","5","10","1") = "9"
    & skf18("7","4","7","8","6","1","1") = "7"
    & skf18("7","4","7","8","6","2","1") = "7"
    & skf18("7","4","7","8","6","3","1") = "7"
    & skf18("7","4","7","8","6","4","1") = "7"
    & skf18("7","4","7","8","6","5","1") = "7"
    & skf18("7","4","7","8","6","6","1") = "7"
    & skf18("7","4","7","8","6","7","1") = "7"
    & skf18("7","4","7","8","6","8","1") = "7"
    & skf18("7","4","7","8","6","9","1") = "8"
    & skf18("7","4","7","8","6","10","1") = "9"
    & skf18("7","4","7","8","7","1","1") = "7"
    & skf18("7","4","7","8","7","2","1") = "7"
    & skf18("7","4","7","8","7","3","1") = "7"
    & skf18("7","4","7","8","7","4","1") = "7"
    & skf18("7","4","7","8","7","5","1") = "7"
    & skf18("7","4","7","8","7","6","1") = "7"
    & skf18("7","4","7","8","7","7","1") = "7"
    & skf18("7","4","7","8","7","8","1") = "7"
    & skf18("7","4","7","8","7","9","1") = "8"
    & skf18("7","4","7","8","7","10","1") = "9"
    & skf18("7","4","7","8","8","1","1") = "7"
    & skf18("7","4","7","8","8","2","1") = "7"
    & skf18("7","4","7","8","8","3","1") = "7"
    & skf18("7","4","7","8","8","4","1") = "7"
    & skf18("7","4","7","8","8","5","1") = "7"
    & skf18("7","4","7","8","8","6","1") = "7"
    & skf18("7","4","7","8","8","7","1") = "7"
    & skf18("7","4","7","8","8","8","1") = "7"
    & skf18("7","4","7","8","8","9","1") = "8"
    & skf18("7","4","7","8","8","10","1") = "9"
    & skf18("7","4","7","8","9","1","1") = "8"
    & skf18("7","4","7","8","9","2","1") = "8"
    & skf18("7","4","7","8","9","3","1") = "8"
    & skf18("7","4","7","8","9","4","1") = "8"
    & skf18("7","4","7","8","9","5","1") = "8"
    & skf18("7","4","7","8","9","6","1") = "8"
    & skf18("7","4","7","8","9","7","1") = "8"
    & skf18("7","4","7","8","9","8","1") = "8"
    & skf18("7","4","7","8","9","9","1") = "8"
    & skf18("7","4","7","8","9","10","1") = "9"
    & skf18("7","4","7","8","10","1","1") = "9"
    & skf18("7","4","7","8","10","2","1") = "9"
    & skf18("7","4","7","8","10","3","1") = "9"
    & skf18("7","4","7","8","10","4","1") = "9"
    & skf18("7","4","7","8","10","5","1") = "9"
    & skf18("7","4","7","8","10","6","1") = "9"
    & skf18("7","4","7","8","10","7","1") = "9"
    & skf18("7","4","7","8","10","8","1") = "9"
    & skf18("7","4","7","8","10","9","1") = "9"
    & skf18("7","4","7","8","10","10","1") = "9"
    & skf18("7","4","7","9","1","1","1") = "8"
    & skf18("7","4","7","9","1","2","1") = "8"
    & skf18("7","4","7","9","1","3","1") = "8"
    & skf18("7","4","7","9","1","4","1") = "8"
    & skf18("7","4","7","9","1","5","1") = "8"
    & skf18("7","4","7","9","1","6","1") = "8"
    & skf18("7","4","7","9","1","7","1") = "8"
    & skf18("7","4","7","9","1","8","1") = "8"
    & skf18("7","4","7","9","1","9","1") = "8"
    & skf18("7","4","7","9","1","10","1") = "9"
    & skf18("7","4","7","9","2","1","1") = "8"
    & skf18("7","4","7","9","2","2","1") = "8"
    & skf18("7","4","7","9","2","3","1") = "8"
    & skf18("7","4","7","9","2","4","1") = "8"
    & skf18("7","4","7","9","2","5","1") = "8"
    & skf18("7","4","7","9","2","6","1") = "8"
    & skf18("7","4","7","9","2","7","1") = "8"
    & skf18("7","4","7","9","2","8","1") = "8"
    & skf18("7","4","7","9","2","9","1") = "8"
    & skf18("7","4","7","9","2","10","1") = "9"
    & skf18("7","4","7","9","3","1","1") = "8"
    & skf18("7","4","7","9","3","2","1") = "8"
    & skf18("7","4","7","9","3","3","1") = "8"
    & skf18("7","4","7","9","3","4","1") = "8"
    & skf18("7","4","7","9","3","5","1") = "8"
    & skf18("7","4","7","9","3","6","1") = "8"
    & skf18("7","4","7","9","3","7","1") = "8"
    & skf18("7","4","7","9","3","8","1") = "8"
    & skf18("7","4","7","9","3","9","1") = "8"
    & skf18("7","4","7","9","3","10","1") = "9"
    & skf18("7","4","7","9","4","1","1") = "8"
    & skf18("7","4","7","9","4","2","1") = "8"
    & skf18("7","4","7","9","4","3","1") = "8"
    & skf18("7","4","7","9","4","4","1") = "8"
    & skf18("7","4","7","9","4","5","1") = "8"
    & skf18("7","4","7","9","4","6","1") = "8"
    & skf18("7","4","7","9","4","7","1") = "8"
    & skf18("7","4","7","9","4","8","1") = "8"
    & skf18("7","4","7","9","4","9","1") = "8"
    & skf18("7","4","7","9","4","10","1") = "9"
    & skf18("7","4","7","9","5","1","1") = "8"
    & skf18("7","4","7","9","5","2","1") = "8"
    & skf18("7","4","7","9","5","3","1") = "8"
    & skf18("7","4","7","9","5","4","1") = "8"
    & skf18("7","4","7","9","5","5","1") = "8"
    & skf18("7","4","7","9","5","6","1") = "8"
    & skf18("7","4","7","9","5","7","1") = "8"
    & skf18("7","4","7","9","5","8","1") = "8"
    & skf18("7","4","7","9","5","9","1") = "8"
    & skf18("7","4","7","9","5","10","1") = "9"
    & skf18("7","4","7","9","6","1","1") = "8"
    & skf18("7","4","7","9","6","2","1") = "8"
    & skf18("7","4","7","9","6","3","1") = "8"
    & skf18("7","4","7","9","6","4","1") = "8"
    & skf18("7","4","7","9","6","5","1") = "8"
    & skf18("7","4","7","9","6","6","1") = "8"
    & skf18("7","4","7","9","6","7","1") = "8"
    & skf18("7","4","7","9","6","8","1") = "8"
    & skf18("7","4","7","9","6","9","1") = "8"
    & skf18("7","4","7","9","6","10","1") = "9"
    & skf18("7","4","7","9","7","1","1") = "8"
    & skf18("7","4","7","9","7","2","1") = "8"
    & skf18("7","4","7","9","7","3","1") = "8"
    & skf18("7","4","7","9","7","4","1") = "8"
    & skf18("7","4","7","9","7","5","1") = "8"
    & skf18("7","4","7","9","7","6","1") = "8"
    & skf18("7","4","7","9","7","7","1") = "8"
    & skf18("7","4","7","9","7","8","1") = "8"
    & skf18("7","4","7","9","7","9","1") = "8"
    & skf18("7","4","7","9","7","10","1") = "9"
    & skf18("7","4","7","9","8","1","1") = "8"
    & skf18("7","4","7","9","8","2","1") = "8"
    & skf18("7","4","7","9","8","3","1") = "8"
    & skf18("7","4","7","9","8","4","1") = "8"
    & skf18("7","4","7","9","8","5","1") = "8"
    & skf18("7","4","7","9","8","6","1") = "8"
    & skf18("7","4","7","9","8","7","1") = "8"
    & skf18("7","4","7","9","8","8","1") = "8"
    & skf18("7","4","7","9","8","9","1") = "8"
    & skf18("7","4","7","9","8","10","1") = "9"
    & skf18("7","4","7","9","9","1","1") = "8"
    & skf18("7","4","7","9","9","2","1") = "8"
    & skf18("7","4","7","9","9","3","1") = "8"
    & skf18("7","4","7","9","9","4","1") = "8"
    & skf18("7","4","7","9","9","5","1") = "8"
    & skf18("7","4","7","9","9","6","1") = "8"
    & skf18("7","4","7","9","9","7","1") = "8"
    & skf18("7","4","7","9","9","8","1") = "8"
    & skf18("7","4","7","9","9","9","1") = "8"
    & skf18("7","4","7","9","9","10","1") = "9"
    & skf18("7","4","7","9","10","1","1") = "9"
    & skf18("7","4","7","9","10","2","1") = "9"
    & skf18("7","4","7","9","10","3","1") = "9"
    & skf18("7","4","7","9","10","4","1") = "9"
    & skf18("7","4","7","9","10","5","1") = "9"
    & skf18("7","4","7","9","10","6","1") = "9"
    & skf18("7","4","7","9","10","7","1") = "9"
    & skf18("7","4","7","9","10","8","1") = "9"
    & skf18("7","4","7","9","10","9","1") = "9"
    & skf18("7","4","7","9","10","10","1") = "9"
    & skf18("7","4","7","10","1","1","1") = "9"
    & skf18("7","4","7","10","1","2","1") = "9"
    & skf18("7","4","7","10","1","3","1") = "9"
    & skf18("7","4","7","10","1","4","1") = "9"
    & skf18("7","4","7","10","1","5","1") = "9"
    & skf18("7","4","7","10","1","6","1") = "9"
    & skf18("7","4","7","10","1","7","1") = "9"
    & skf18("7","4","7","10","1","8","1") = "9"
    & skf18("7","4","7","10","1","9","1") = "9"
    & skf18("7","4","7","10","1","10","1") = "9"
    & skf18("7","4","7","10","2","1","1") = "9"
    & skf18("7","4","7","10","2","2","1") = "9"
    & skf18("7","4","7","10","2","3","1") = "9"
    & skf18("7","4","7","10","2","4","1") = "9"
    & skf18("7","4","7","10","2","5","1") = "9"
    & skf18("7","4","7","10","2","6","1") = "9"
    & skf18("7","4","7","10","2","7","1") = "9"
    & skf18("7","4","7","10","2","8","1") = "9"
    & skf18("7","4","7","10","2","9","1") = "9"
    & skf18("7","4","7","10","2","10","1") = "9"
    & skf18("7","4","7","10","3","1","1") = "9"
    & skf18("7","4","7","10","3","2","1") = "9"
    & skf18("7","4","7","10","3","3","1") = "9"
    & skf18("7","4","7","10","3","4","1") = "9"
    & skf18("7","4","7","10","3","5","1") = "9"
    & skf18("7","4","7","10","3","6","1") = "9"
    & skf18("7","4","7","10","3","7","1") = "9"
    & skf18("7","4","7","10","3","8","1") = "9"
    & skf18("7","4","7","10","3","9","1") = "9"
    & skf18("7","4","7","10","3","10","1") = "9"
    & skf18("7","4","7","10","4","1","1") = "9"
    & skf18("7","4","7","10","4","2","1") = "9"
    & skf18("7","4","7","10","4","3","1") = "9"
    & skf18("7","4","7","10","4","4","1") = "9"
    & skf18("7","4","7","10","4","5","1") = "9"
    & skf18("7","4","7","10","4","6","1") = "9"
    & skf18("7","4","7","10","4","7","1") = "9"
    & skf18("7","4","7","10","4","8","1") = "9"
    & skf18("7","4","7","10","4","9","1") = "9"
    & skf18("7","4","7","10","4","10","1") = "9"
    & skf18("7","4","7","10","5","1","1") = "9"
    & skf18("7","4","7","10","5","2","1") = "9"
    & skf18("7","4","7","10","5","3","1") = "9"
    & skf18("7","4","7","10","5","4","1") = "9"
    & skf18("7","4","7","10","5","5","1") = "9"
    & skf18("7","4","7","10","5","6","1") = "9"
    & skf18("7","4","7","10","5","7","1") = "9"
    & skf18("7","4","7","10","5","8","1") = "9"
    & skf18("7","4","7","10","5","9","1") = "9"
    & skf18("7","4","7","10","5","10","1") = "9"
    & skf18("7","4","7","10","6","1","1") = "9"
    & skf18("7","4","7","10","6","2","1") = "9"
    & skf18("7","4","7","10","6","3","1") = "9"
    & skf18("7","4","7","10","6","4","1") = "9"
    & skf18("7","4","7","10","6","5","1") = "9"
    & skf18("7","4","7","10","6","6","1") = "9"
    & skf18("7","4","7","10","6","7","1") = "9"
    & skf18("7","4","7","10","6","8","1") = "9"
    & skf18("7","4","7","10","6","9","1") = "9"
    & skf18("7","4","7","10","6","10","1") = "9"
    & skf18("7","4","7","10","7","1","1") = "9"
    & skf18("7","4","7","10","7","2","1") = "9"
    & skf18("7","4","7","10","7","3","1") = "9"
    & skf18("7","4","7","10","7","4","1") = "9"
    & skf18("7","4","7","10","7","5","1") = "9"
    & skf18("7","4","7","10","7","6","1") = "9"
    & skf18("7","4","7","10","7","7","1") = "9"
    & skf18("7","4","7","10","7","8","1") = "9"
    & skf18("7","4","7","10","7","9","1") = "9"
    & skf18("7","4","7","10","7","10","1") = "9"
    & skf18("7","4","7","10","8","1","1") = "9"
    & skf18("7","4","7","10","8","2","1") = "9"
    & skf18("7","4","7","10","8","3","1") = "9"
    & skf18("7","4","7","10","8","4","1") = "9"
    & skf18("7","4","7","10","8","5","1") = "9"
    & skf18("7","4","7","10","8","6","1") = "9"
    & skf18("7","4","7","10","8","7","1") = "9"
    & skf18("7","4","7","10","8","8","1") = "9"
    & skf18("7","4","7","10","8","9","1") = "9"
    & skf18("7","4","7","10","8","10","1") = "9"
    & skf18("7","4","7","10","9","1","1") = "9"
    & skf18("7","4","7","10","9","2","1") = "9"
    & skf18("7","4","7","10","9","3","1") = "9"
    & skf18("7","4","7","10","9","4","1") = "9"
    & skf18("7","4","7","10","9","5","1") = "9"
    & skf18("7","4","7","10","9","6","1") = "9"
    & skf18("7","4","7","10","9","7","1") = "9"
    & skf18("7","4","7","10","9","8","1") = "9"
    & skf18("7","4","7","10","9","9","1") = "9"
    & skf18("7","4","7","10","9","10","1") = "9"
    & skf18("7","4","7","10","10","1","1") = "9"
    & skf18("7","4","7","10","10","2","1") = "9"
    & skf18("7","4","7","10","10","3","1") = "9"
    & skf18("7","4","7","10","10","4","1") = "9"
    & skf18("7","4","7","10","10","5","1") = "9"
    & skf18("7","4","7","10","10","6","1") = "9"
    & skf18("7","4","7","10","10","7","1") = "9"
    & skf18("7","4","7","10","10","8","1") = "9"
    & skf18("7","4","7","10","10","9","1") = "9"
    & skf18("7","4","7","10","10","10","1") = "9"
    & skf18("7","4","8","1","1","1","1") = "7"
    & skf18("7","4","8","1","1","2","1") = "7"
    & skf18("7","4","8","1","1","3","1") = "7"
    & skf18("7","4","8","1","1","4","1") = "7"
    & skf18("7","4","8","1","1","5","1") = "7"
    & skf18("7","4","8","1","1","6","1") = "7"
    & skf18("7","4","8","1","1","7","1") = "7"
    & skf18("7","4","8","1","1","8","1") = "7"
    & skf18("7","4","8","1","1","9","1") = "8"
    & skf18("7","4","8","1","1","10","1") = "9"
    & skf18("7","4","8","1","2","1","1") = "7"
    & skf18("7","4","8","1","2","2","1") = "7"
    & skf18("7","4","8","1","2","3","1") = "7"
    & skf18("7","4","8","1","2","4","1") = "7"
    & skf18("7","4","8","1","2","5","1") = "7"
    & skf18("7","4","8","1","2","6","1") = "7"
    & skf18("7","4","8","1","2","7","1") = "7"
    & skf18("7","4","8","1","2","8","1") = "7"
    & skf18("7","4","8","1","2","9","1") = "8"
    & skf18("7","4","8","1","2","10","1") = "9"
    & skf18("7","4","8","1","3","1","1") = "7"
    & skf18("7","4","8","1","3","2","1") = "7"
    & skf18("7","4","8","1","3","3","1") = "7"
    & skf18("7","4","8","1","3","4","1") = "7"
    & skf18("7","4","8","1","3","5","1") = "7"
    & skf18("7","4","8","1","3","6","1") = "7"
    & skf18("7","4","8","1","3","7","1") = "7"
    & skf18("7","4","8","1","3","8","1") = "7"
    & skf18("7","4","8","1","3","9","1") = "8"
    & skf18("7","4","8","1","3","10","1") = "9"
    & skf18("7","4","8","1","4","1","1") = "7"
    & skf18("7","4","8","1","4","2","1") = "7"
    & skf18("7","4","8","1","4","3","1") = "7"
    & skf18("7","4","8","1","4","4","1") = "7"
    & skf18("7","4","8","1","4","5","1") = "7"
    & skf18("7","4","8","1","4","6","1") = "7"
    & skf18("7","4","8","1","4","7","1") = "7"
    & skf18("7","4","8","1","4","8","1") = "7"
    & skf18("7","4","8","1","4","9","1") = "8"
    & skf18("7","4","8","1","4","10","1") = "9"
    & skf18("7","4","8","1","5","1","1") = "7"
    & skf18("7","4","8","1","5","2","1") = "7"
    & skf18("7","4","8","1","5","3","1") = "7"
    & skf18("7","4","8","1","5","4","1") = "7"
    & skf18("7","4","8","1","5","5","1") = "7"
    & skf18("7","4","8","1","5","6","1") = "7"
    & skf18("7","4","8","1","5","7","1") = "7"
    & skf18("7","4","8","1","5","8","1") = "7"
    & skf18("7","4","8","1","5","9","1") = "8"
    & skf18("7","4","8","1","5","10","1") = "9"
    & skf18("7","4","8","1","6","1","1") = "7"
    & skf18("7","4","8","1","6","2","1") = "7"
    & skf18("7","4","8","1","6","3","1") = "7"
    & skf18("7","4","8","1","6","4","1") = "7"
    & skf18("7","4","8","1","6","5","1") = "7"
    & skf18("7","4","8","1","6","6","1") = "7"
    & skf18("7","4","8","1","6","7","1") = "7"
    & skf18("7","4","8","1","6","8","1") = "7"
    & skf18("7","4","8","1","6","9","1") = "8"
    & skf18("7","4","8","1","6","10","1") = "9"
    & skf18("7","4","8","1","7","1","1") = "7"
    & skf18("7","4","8","1","7","2","1") = "7"
    & skf18("7","4","8","1","7","3","1") = "7"
    & skf18("7","4","8","1","7","4","1") = "7"
    & skf18("7","4","8","1","7","5","1") = "7"
    & skf18("7","4","8","1","7","6","1") = "7"
    & skf18("7","4","8","1","7","7","1") = "7"
    & skf18("7","4","8","1","7","8","1") = "7"
    & skf18("7","4","8","1","7","9","1") = "8"
    & skf18("7","4","8","1","7","10","1") = "9"
    & skf18("7","4","8","1","8","1","1") = "7"
    & skf18("7","4","8","1","8","2","1") = "7"
    & skf18("7","4","8","1","8","3","1") = "7"
    & skf18("7","4","8","1","8","4","1") = "7"
    & skf18("7","4","8","1","8","5","1") = "7"
    & skf18("7","4","8","1","8","6","1") = "7"
    & skf18("7","4","8","1","8","7","1") = "7"
    & skf18("7","4","8","1","8","8","1") = "7"
    & skf18("7","4","8","1","8","9","1") = "8"
    & skf18("7","4","8","1","8","10","1") = "9"
    & skf18("7","4","8","1","9","1","1") = "8"
    & skf18("7","4","8","1","9","2","1") = "8"
    & skf18("7","4","8","1","9","3","1") = "8"
    & skf18("7","4","8","1","9","4","1") = "8"
    & skf18("7","4","8","1","9","5","1") = "8"
    & skf18("7","4","8","1","9","6","1") = "8"
    & skf18("7","4","8","1","9","7","1") = "8"
    & skf18("7","4","8","1","9","8","1") = "8"
    & skf18("7","4","8","1","9","9","1") = "8"
    & skf18("7","4","8","1","9","10","1") = "9"
    & skf18("7","4","8","1","10","1","1") = "9"
    & skf18("7","4","8","1","10","2","1") = "9"
    & skf18("7","4","8","1","10","3","1") = "9"
    & skf18("7","4","8","1","10","4","1") = "9"
    & skf18("7","4","8","1","10","5","1") = "9"
    & skf18("7","4","8","1","10","6","1") = "9"
    & skf18("7","4","8","1","10","7","1") = "9"
    & skf18("7","4","8","1","10","8","1") = "9"
    & skf18("7","4","8","1","10","9","1") = "9"
    & skf18("7","4","8","1","10","10","1") = "9"
    & skf18("7","4","8","2","1","1","1") = "7"
    & skf18("7","4","8","2","1","2","1") = "7"
    & skf18("7","4","8","2","1","3","1") = "7"
    & skf18("7","4","8","2","1","4","1") = "7"
    & skf18("7","4","8","2","1","5","1") = "7"
    & skf18("7","4","8","2","1","6","1") = "7"
    & skf18("7","4","8","2","1","7","1") = "7"
    & skf18("7","4","8","2","1","8","1") = "7"
    & skf18("7","4","8","2","1","9","1") = "8"
    & skf18("7","4","8","2","1","10","1") = "9"
    & skf18("7","4","8","2","2","1","1") = "7"
    & skf18("7","4","8","2","2","2","1") = "7"
    & skf18("7","4","8","2","2","3","1") = "7"
    & skf18("7","4","8","2","2","4","1") = "7"
    & skf18("7","4","8","2","2","5","1") = "7"
    & skf18("7","4","8","2","2","6","1") = "7"
    & skf18("7","4","8","2","2","7","1") = "7"
    & skf18("7","4","8","2","2","8","1") = "7"
    & skf18("7","4","8","2","2","9","1") = "8"
    & skf18("7","4","8","2","2","10","1") = "9"
    & skf18("7","4","8","2","3","1","1") = "7"
    & skf18("7","4","8","2","3","2","1") = "7"
    & skf18("7","4","8","2","3","3","1") = "7"
    & skf18("7","4","8","2","3","4","1") = "7"
    & skf18("7","4","8","2","3","5","1") = "7"
    & skf18("7","4","8","2","3","6","1") = "7"
    & skf18("7","4","8","2","3","7","1") = "7"
    & skf18("7","4","8","2","3","8","1") = "7"
    & skf18("7","4","8","2","3","9","1") = "8"
    & skf18("7","4","8","2","3","10","1") = "9"
    & skf18("7","4","8","2","4","1","1") = "7"
    & skf18("7","4","8","2","4","2","1") = "7"
    & skf18("7","4","8","2","4","3","1") = "7"
    & skf18("7","4","8","2","4","4","1") = "7"
    & skf18("7","4","8","2","4","5","1") = "7"
    & skf18("7","4","8","2","4","6","1") = "7"
    & skf18("7","4","8","2","4","7","1") = "7"
    & skf18("7","4","8","2","4","8","1") = "7"
    & skf18("7","4","8","2","4","9","1") = "8"
    & skf18("7","4","8","2","4","10","1") = "9"
    & skf18("7","4","8","2","5","1","1") = "7"
    & skf18("7","4","8","2","5","2","1") = "7"
    & skf18("7","4","8","2","5","3","1") = "7"
    & skf18("7","4","8","2","5","4","1") = "7"
    & skf18("7","4","8","2","5","5","1") = "7"
    & skf18("7","4","8","2","5","6","1") = "7"
    & skf18("7","4","8","2","5","7","1") = "7"
    & skf18("7","4","8","2","5","8","1") = "7"
    & skf18("7","4","8","2","5","9","1") = "8"
    & skf18("7","4","8","2","5","10","1") = "9"
    & skf18("7","4","8","2","6","1","1") = "7"
    & skf18("7","4","8","2","6","2","1") = "7"
    & skf18("7","4","8","2","6","3","1") = "7"
    & skf18("7","4","8","2","6","4","1") = "7"
    & skf18("7","4","8","2","6","5","1") = "7"
    & skf18("7","4","8","2","6","6","1") = "7"
    & skf18("7","4","8","2","6","7","1") = "7"
    & skf18("7","4","8","2","6","8","1") = "7"
    & skf18("7","4","8","2","6","9","1") = "8"
    & skf18("7","4","8","2","6","10","1") = "9"
    & skf18("7","4","8","2","7","1","1") = "7"
    & skf18("7","4","8","2","7","2","1") = "7"
    & skf18("7","4","8","2","7","3","1") = "7"
    & skf18("7","4","8","2","7","4","1") = "7"
    & skf18("7","4","8","2","7","5","1") = "7"
    & skf18("7","4","8","2","7","6","1") = "7"
    & skf18("7","4","8","2","7","7","1") = "7"
    & skf18("7","4","8","2","7","8","1") = "7"
    & skf18("7","4","8","2","7","9","1") = "8"
    & skf18("7","4","8","2","7","10","1") = "9"
    & skf18("7","4","8","2","8","1","1") = "7"
    & skf18("7","4","8","2","8","2","1") = "7"
    & skf18("7","4","8","2","8","3","1") = "7"
    & skf18("7","4","8","2","8","4","1") = "7"
    & skf18("7","4","8","2","8","5","1") = "7"
    & skf18("7","4","8","2","8","6","1") = "7"
    & skf18("7","4","8","2","8","7","1") = "7"
    & skf18("7","4","8","2","8","8","1") = "7"
    & skf18("7","4","8","2","8","9","1") = "8"
    & skf18("7","4","8","2","8","10","1") = "9"
    & skf18("7","4","8","2","9","1","1") = "8"
    & skf18("7","4","8","2","9","2","1") = "8"
    & skf18("7","4","8","2","9","3","1") = "8"
    & skf18("7","4","8","2","9","4","1") = "8"
    & skf18("7","4","8","2","9","5","1") = "8"
    & skf18("7","4","8","2","9","6","1") = "8"
    & skf18("7","4","8","2","9","7","1") = "8"
    & skf18("7","4","8","2","9","8","1") = "8"
    & skf18("7","4","8","2","9","9","1") = "8"
    & skf18("7","4","8","2","9","10","1") = "9"
    & skf18("7","4","8","2","10","1","1") = "9"
    & skf18("7","4","8","2","10","2","1") = "9"
    & skf18("7","4","8","2","10","3","1") = "9"
    & skf18("7","4","8","2","10","4","1") = "9"
    & skf18("7","4","8","2","10","5","1") = "9"
    & skf18("7","4","8","2","10","6","1") = "9"
    & skf18("7","4","8","2","10","7","1") = "9"
    & skf18("7","4","8","2","10","8","1") = "9"
    & skf18("7","4","8","2","10","9","1") = "9"
    & skf18("7","4","8","2","10","10","1") = "9"
    & skf18("7","4","8","3","1","1","1") = "7"
    & skf18("7","4","8","3","1","2","1") = "7"
    & skf18("7","4","8","3","1","3","1") = "7"
    & skf18("7","4","8","3","1","4","1") = "7"
    & skf18("7","4","8","3","1","5","1") = "7"
    & skf18("7","4","8","3","1","6","1") = "7"
    & skf18("7","4","8","3","1","7","1") = "7"
    & skf18("7","4","8","3","1","8","1") = "7"
    & skf18("7","4","8","3","1","9","1") = "8"
    & skf18("7","4","8","3","1","10","1") = "9"
    & skf18("7","4","8","3","2","1","1") = "7"
    & skf18("7","4","8","3","2","2","1") = "7"
    & skf18("7","4","8","3","2","3","1") = "7"
    & skf18("7","4","8","3","2","4","1") = "7"
    & skf18("7","4","8","3","2","5","1") = "7"
    & skf18("7","4","8","3","2","6","1") = "7"
    & skf18("7","4","8","3","2","7","1") = "7"
    & skf18("7","4","8","3","2","8","1") = "7"
    & skf18("7","4","8","3","2","9","1") = "8"
    & skf18("7","4","8","3","2","10","1") = "9"
    & skf18("7","4","8","3","3","1","1") = "7"
    & skf18("7","4","8","3","3","2","1") = "7"
    & skf18("7","4","8","3","3","3","1") = "7"
    & skf18("7","4","8","3","3","4","1") = "7"
    & skf18("7","4","8","3","3","5","1") = "7"
    & skf18("7","4","8","3","3","6","1") = "7"
    & skf18("7","4","8","3","3","7","1") = "7"
    & skf18("7","4","8","3","3","8","1") = "7"
    & skf18("7","4","8","3","3","9","1") = "8"
    & skf18("7","4","8","3","3","10","1") = "9"
    & skf18("7","4","8","3","4","1","1") = "7"
    & skf18("7","4","8","3","4","2","1") = "7"
    & skf18("7","4","8","3","4","3","1") = "7"
    & skf18("7","4","8","3","4","4","1") = "7"
    & skf18("7","4","8","3","4","5","1") = "7"
    & skf18("7","4","8","3","4","6","1") = "7"
    & skf18("7","4","8","3","4","7","1") = "7"
    & skf18("7","4","8","3","4","8","1") = "7"
    & skf18("7","4","8","3","4","9","1") = "8"
    & skf18("7","4","8","3","4","10","1") = "9"
    & skf18("7","4","8","3","5","1","1") = "7"
    & skf18("7","4","8","3","5","2","1") = "7"
    & skf18("7","4","8","3","5","3","1") = "7"
    & skf18("7","4","8","3","5","4","1") = "7"
    & skf18("7","4","8","3","5","5","1") = "7"
    & skf18("7","4","8","3","5","6","1") = "7"
    & skf18("7","4","8","3","5","7","1") = "7"
    & skf18("7","4","8","3","5","8","1") = "7"
    & skf18("7","4","8","3","5","9","1") = "8"
    & skf18("7","4","8","3","5","10","1") = "9"
    & skf18("7","4","8","3","6","1","1") = "7"
    & skf18("7","4","8","3","6","2","1") = "7"
    & skf18("7","4","8","3","6","3","1") = "7"
    & skf18("7","4","8","3","6","4","1") = "7"
    & skf18("7","4","8","3","6","5","1") = "7"
    & skf18("7","4","8","3","6","6","1") = "7"
    & skf18("7","4","8","3","6","7","1") = "7"
    & skf18("7","4","8","3","6","8","1") = "7"
    & skf18("7","4","8","3","6","9","1") = "8"
    & skf18("7","4","8","3","6","10","1") = "9"
    & skf18("7","4","8","3","7","1","1") = "7"
    & skf18("7","4","8","3","7","2","1") = "7"
    & skf18("7","4","8","3","7","3","1") = "7"
    & skf18("7","4","8","3","7","4","1") = "7"
    & skf18("7","4","8","3","7","5","1") = "7"
    & skf18("7","4","8","3","7","6","1") = "7"
    & skf18("7","4","8","3","7","7","1") = "7"
    & skf18("7","4","8","3","7","8","1") = "7"
    & skf18("7","4","8","3","7","9","1") = "8"
    & skf18("7","4","8","3","7","10","1") = "9"
    & skf18("7","4","8","3","8","1","1") = "7"
    & skf18("7","4","8","3","8","2","1") = "7"
    & skf18("7","4","8","3","8","3","1") = "7"
    & skf18("7","4","8","3","8","4","1") = "7"
    & skf18("7","4","8","3","8","5","1") = "7"
    & skf18("7","4","8","3","8","6","1") = "7"
    & skf18("7","4","8","3","8","7","1") = "7"
    & skf18("7","4","8","3","8","8","1") = "7"
    & skf18("7","4","8","3","8","9","1") = "8"
    & skf18("7","4","8","3","8","10","1") = "9"
    & skf18("7","4","8","3","9","1","1") = "8"
    & skf18("7","4","8","3","9","2","1") = "8"
    & skf18("7","4","8","3","9","3","1") = "8"
    & skf18("7","4","8","3","9","4","1") = "8"
    & skf18("7","4","8","3","9","5","1") = "8"
    & skf18("7","4","8","3","9","6","1") = "8"
    & skf18("7","4","8","3","9","7","1") = "8"
    & skf18("7","4","8","3","9","8","1") = "8"
    & skf18("7","4","8","3","9","9","1") = "8"
    & skf18("7","4","8","3","9","10","1") = "9"
    & skf18("7","4","8","3","10","1","1") = "9"
    & skf18("7","4","8","3","10","2","1") = "9"
    & skf18("7","4","8","3","10","3","1") = "9"
    & skf18("7","4","8","3","10","4","1") = "9"
    & skf18("7","4","8","3","10","5","1") = "9"
    & skf18("7","4","8","3","10","6","1") = "9"
    & skf18("7","4","8","3","10","7","1") = "9"
    & skf18("7","4","8","3","10","8","1") = "9"
    & skf18("7","4","8","3","10","9","1") = "9"
    & skf18("7","4","8","3","10","10","1") = "9"
    & skf18("7","4","8","4","1","1","1") = "7"
    & skf18("7","4","8","4","1","2","1") = "7"
    & skf18("7","4","8","4","1","3","1") = "7"
    & skf18("7","4","8","4","1","4","1") = "7"
    & skf18("7","4","8","4","1","5","1") = "7"
    & skf18("7","4","8","4","1","6","1") = "7"
    & skf18("7","4","8","4","1","7","1") = "7"
    & skf18("7","4","8","4","1","8","1") = "7"
    & skf18("7","4","8","4","1","9","1") = "8"
    & skf18("7","4","8","4","1","10","1") = "9"
    & skf18("7","4","8","4","2","1","1") = "7"
    & skf18("7","4","8","4","2","2","1") = "7"
    & skf18("7","4","8","4","2","3","1") = "7"
    & skf18("7","4","8","4","2","4","1") = "7"
    & skf18("7","4","8","4","2","5","1") = "7"
    & skf18("7","4","8","4","2","6","1") = "7"
    & skf18("7","4","8","4","2","7","1") = "7"
    & skf18("7","4","8","4","2","8","1") = "7"
    & skf18("7","4","8","4","2","9","1") = "8"
    & skf18("7","4","8","4","2","10","1") = "9"
    & skf18("7","4","8","4","3","1","1") = "7"
    & skf18("7","4","8","4","3","2","1") = "7"
    & skf18("7","4","8","4","3","3","1") = "7"
    & skf18("7","4","8","4","3","4","1") = "7"
    & skf18("7","4","8","4","3","5","1") = "7"
    & skf18("7","4","8","4","3","6","1") = "7"
    & skf18("7","4","8","4","3","7","1") = "7"
    & skf18("7","4","8","4","3","8","1") = "7"
    & skf18("7","4","8","4","3","9","1") = "8"
    & skf18("7","4","8","4","3","10","1") = "9"
    & skf18("7","4","8","4","4","1","1") = "7"
    & skf18("7","4","8","4","4","2","1") = "7"
    & skf18("7","4","8","4","4","3","1") = "7"
    & skf18("7","4","8","4","4","4","1") = "7"
    & skf18("7","4","8","4","4","5","1") = "7"
    & skf18("7","4","8","4","4","6","1") = "7"
    & skf18("7","4","8","4","4","7","1") = "7"
    & skf18("7","4","8","4","4","8","1") = "7"
    & skf18("7","4","8","4","4","9","1") = "8"
    & skf18("7","4","8","4","4","10","1") = "9"
    & skf18("7","4","8","4","5","1","1") = "7"
    & skf18("7","4","8","4","5","2","1") = "7"
    & skf18("7","4","8","4","5","3","1") = "7"
    & skf18("7","4","8","4","5","4","1") = "7"
    & skf18("7","4","8","4","5","5","1") = "7"
    & skf18("7","4","8","4","5","6","1") = "7"
    & skf18("7","4","8","4","5","7","1") = "7"
    & skf18("7","4","8","4","5","8","1") = "7"
    & skf18("7","4","8","4","5","9","1") = "8"
    & skf18("7","4","8","4","5","10","1") = "9"
    & skf18("7","4","8","4","6","1","1") = "7"
    & skf18("7","4","8","4","6","2","1") = "7"
    & skf18("7","4","8","4","6","3","1") = "7"
    & skf18("7","4","8","4","6","4","1") = "7"
    & skf18("7","4","8","4","6","5","1") = "7"
    & skf18("7","4","8","4","6","6","1") = "7"
    & skf18("7","4","8","4","6","7","1") = "7"
    & skf18("7","4","8","4","6","8","1") = "7"
    & skf18("7","4","8","4","6","9","1") = "8"
    & skf18("7","4","8","4","6","10","1") = "9"
    & skf18("7","4","8","4","7","1","1") = "7"
    & skf18("7","4","8","4","7","2","1") = "7"
    & skf18("7","4","8","4","7","3","1") = "7"
    & skf18("7","4","8","4","7","4","1") = "7"
    & skf18("7","4","8","4","7","5","1") = "7"
    & skf18("7","4","8","4","7","6","1") = "7"
    & skf18("7","4","8","4","7","7","1") = "7"
    & skf18("7","4","8","4","7","8","1") = "7"
    & skf18("7","4","8","4","7","9","1") = "8"
    & skf18("7","4","8","4","7","10","1") = "9"
    & skf18("7","4","8","4","8","1","1") = "7"
    & skf18("7","4","8","4","8","2","1") = "7"
    & skf18("7","4","8","4","8","3","1") = "7"
    & skf18("7","4","8","4","8","4","1") = "7"
    & skf18("7","4","8","4","8","5","1") = "7"
    & skf18("7","4","8","4","8","6","1") = "7"
    & skf18("7","4","8","4","8","7","1") = "7"
    & skf18("7","4","8","4","8","8","1") = "7"
    & skf18("7","4","8","4","8","9","1") = "8"
    & skf18("7","4","8","4","8","10","1") = "9"
    & skf18("7","4","8","4","9","1","1") = "8"
    & skf18("7","4","8","4","9","2","1") = "8"
    & skf18("7","4","8","4","9","3","1") = "8"
    & skf18("7","4","8","4","9","4","1") = "8"
    & skf18("7","4","8","4","9","5","1") = "8"
    & skf18("7","4","8","4","9","6","1") = "8"
    & skf18("7","4","8","4","9","7","1") = "8"
    & skf18("7","4","8","4","9","8","1") = "8"
    & skf18("7","4","8","4","9","9","1") = "8"
    & skf18("7","4","8","4","9","10","1") = "9"
    & skf18("7","4","8","4","10","1","1") = "9"
    & skf18("7","4","8","4","10","2","1") = "9"
    & skf18("7","4","8","4","10","3","1") = "9"
    & skf18("7","4","8","4","10","4","1") = "9"
    & skf18("7","4","8","4","10","5","1") = "9"
    & skf18("7","4","8","4","10","6","1") = "9"
    & skf18("7","4","8","4","10","7","1") = "9"
    & skf18("7","4","8","4","10","8","1") = "9"
    & skf18("7","4","8","4","10","9","1") = "9"
    & skf18("7","4","8","4","10","10","1") = "9"
    & skf18("7","4","8","5","1","1","1") = "7"
    & skf18("7","4","8","5","1","2","1") = "7"
    & skf18("7","4","8","5","1","3","1") = "7"
    & skf18("7","4","8","5","1","4","1") = "7"
    & skf18("7","4","8","5","1","5","1") = "7"
    & skf18("7","4","8","5","1","6","1") = "7"
    & skf18("7","4","8","5","1","7","1") = "7"
    & skf18("7","4","8","5","1","8","1") = "7"
    & skf18("7","4","8","5","1","9","1") = "8"
    & skf18("7","4","8","5","1","10","1") = "9"
    & skf18("7","4","8","5","2","1","1") = "7"
    & skf18("7","4","8","5","2","2","1") = "7"
    & skf18("7","4","8","5","2","3","1") = "7"
    & skf18("7","4","8","5","2","4","1") = "7"
    & skf18("7","4","8","5","2","5","1") = "7"
    & skf18("7","4","8","5","2","6","1") = "7"
    & skf18("7","4","8","5","2","7","1") = "7"
    & skf18("7","4","8","5","2","8","1") = "7"
    & skf18("7","4","8","5","2","9","1") = "8"
    & skf18("7","4","8","5","2","10","1") = "9"
    & skf18("7","4","8","5","3","1","1") = "7"
    & skf18("7","4","8","5","3","2","1") = "7"
    & skf18("7","4","8","5","3","3","1") = "7"
    & skf18("7","4","8","5","3","4","1") = "7"
    & skf18("7","4","8","5","3","5","1") = "7"
    & skf18("7","4","8","5","3","6","1") = "7"
    & skf18("7","4","8","5","3","7","1") = "7"
    & skf18("7","4","8","5","3","8","1") = "7"
    & skf18("7","4","8","5","3","9","1") = "8"
    & skf18("7","4","8","5","3","10","1") = "9"
    & skf18("7","4","8","5","4","1","1") = "7"
    & skf18("7","4","8","5","4","2","1") = "7"
    & skf18("7","4","8","5","4","3","1") = "7"
    & skf18("7","4","8","5","4","4","1") = "7"
    & skf18("7","4","8","5","4","5","1") = "7"
    & skf18("7","4","8","5","4","6","1") = "7"
    & skf18("7","4","8","5","4","7","1") = "7"
    & skf18("7","4","8","5","4","8","1") = "7"
    & skf18("7","4","8","5","4","9","1") = "8"
    & skf18("7","4","8","5","4","10","1") = "9"
    & skf18("7","4","8","5","5","1","1") = "7"
    & skf18("7","4","8","5","5","2","1") = "7"
    & skf18("7","4","8","5","5","3","1") = "7"
    & skf18("7","4","8","5","5","4","1") = "7"
    & skf18("7","4","8","5","5","5","1") = "7"
    & skf18("7","4","8","5","5","6","1") = "7"
    & skf18("7","4","8","5","5","7","1") = "7"
    & skf18("7","4","8","5","5","8","1") = "7"
    & skf18("7","4","8","5","5","9","1") = "8"
    & skf18("7","4","8","5","5","10","1") = "9"
    & skf18("7","4","8","5","6","1","1") = "7"
    & skf18("7","4","8","5","6","2","1") = "7"
    & skf18("7","4","8","5","6","3","1") = "7"
    & skf18("7","4","8","5","6","4","1") = "7"
    & skf18("7","4","8","5","6","5","1") = "7"
    & skf18("7","4","8","5","6","6","1") = "7"
    & skf18("7","4","8","5","6","7","1") = "7"
    & skf18("7","4","8","5","6","8","1") = "7"
    & skf18("7","4","8","5","6","9","1") = "8"
    & skf18("7","4","8","5","6","10","1") = "9"
    & skf18("7","4","8","5","7","1","1") = "7"
    & skf18("7","4","8","5","7","2","1") = "7"
    & skf18("7","4","8","5","7","3","1") = "7"
    & skf18("7","4","8","5","7","4","1") = "7"
    & skf18("7","4","8","5","7","5","1") = "7"
    & skf18("7","4","8","5","7","6","1") = "7"
    & skf18("7","4","8","5","7","7","1") = "7"
    & skf18("7","4","8","5","7","8","1") = "7"
    & skf18("7","4","8","5","7","9","1") = "8"
    & skf18("7","4","8","5","7","10","1") = "9"
    & skf18("7","4","8","5","8","1","1") = "7"
    & skf18("7","4","8","5","8","2","1") = "7"
    & skf18("7","4","8","5","8","3","1") = "7"
    & skf18("7","4","8","5","8","4","1") = "7"
    & skf18("7","4","8","5","8","5","1") = "7"
    & skf18("7","4","8","5","8","6","1") = "7"
    & skf18("7","4","8","5","8","7","1") = "7"
    & skf18("7","4","8","5","8","8","1") = "7"
    & skf18("7","4","8","5","8","9","1") = "8"
    & skf18("7","4","8","5","8","10","1") = "9"
    & skf18("7","4","8","5","9","1","1") = "8"
    & skf18("7","4","8","5","9","2","1") = "8"
    & skf18("7","4","8","5","9","3","1") = "8"
    & skf18("7","4","8","5","9","4","1") = "8"
    & skf18("7","4","8","5","9","5","1") = "8"
    & skf18("7","4","8","5","9","6","1") = "8"
    & skf18("7","4","8","5","9","7","1") = "8"
    & skf18("7","4","8","5","9","8","1") = "8"
    & skf18("7","4","8","5","9","9","1") = "8"
    & skf18("7","4","8","5","9","10","1") = "9"
    & skf18("7","4","8","5","10","1","1") = "9"
    & skf18("7","4","8","5","10","2","1") = "9"
    & skf18("7","4","8","5","10","3","1") = "9"
    & skf18("7","4","8","5","10","4","1") = "9"
    & skf18("7","4","8","5","10","5","1") = "9"
    & skf18("7","4","8","5","10","6","1") = "9"
    & skf18("7","4","8","5","10","7","1") = "9"
    & skf18("7","4","8","5","10","8","1") = "9"
    & skf18("7","4","8","5","10","9","1") = "9"
    & skf18("7","4","8","5","10","10","1") = "9"
    & skf18("7","4","8","6","1","1","1") = "7"
    & skf18("7","4","8","6","1","2","1") = "7"
    & skf18("7","4","8","6","1","3","1") = "7"
    & skf18("7","4","8","6","1","4","1") = "7"
    & skf18("7","4","8","6","1","5","1") = "7"
    & skf18("7","4","8","6","1","6","1") = "7"
    & skf18("7","4","8","6","1","7","1") = "7"
    & skf18("7","4","8","6","1","8","1") = "7"
    & skf18("7","4","8","6","1","9","1") = "8"
    & skf18("7","4","8","6","1","10","1") = "9"
    & skf18("7","4","8","6","2","1","1") = "7"
    & skf18("7","4","8","6","2","2","1") = "7"
    & skf18("7","4","8","6","2","3","1") = "7"
    & skf18("7","4","8","6","2","4","1") = "7"
    & skf18("7","4","8","6","2","5","1") = "7"
    & skf18("7","4","8","6","2","6","1") = "7"
    & skf18("7","4","8","6","2","7","1") = "7"
    & skf18("7","4","8","6","2","8","1") = "7"
    & skf18("7","4","8","6","2","9","1") = "8"
    & skf18("7","4","8","6","2","10","1") = "9"
    & skf18("7","4","8","6","3","1","1") = "7"
    & skf18("7","4","8","6","3","2","1") = "7"
    & skf18("7","4","8","6","3","3","1") = "7"
    & skf18("7","4","8","6","3","4","1") = "7"
    & skf18("7","4","8","6","3","5","1") = "7"
    & skf18("7","4","8","6","3","6","1") = "7"
    & skf18("7","4","8","6","3","7","1") = "7"
    & skf18("7","4","8","6","3","8","1") = "7"
    & skf18("7","4","8","6","3","9","1") = "8"
    & skf18("7","4","8","6","3","10","1") = "9"
    & skf18("7","4","8","6","4","1","1") = "7"
    & skf18("7","4","8","6","4","2","1") = "7"
    & skf18("7","4","8","6","4","3","1") = "7"
    & skf18("7","4","8","6","4","4","1") = "7"
    & skf18("7","4","8","6","4","5","1") = "7"
    & skf18("7","4","8","6","4","6","1") = "7"
    & skf18("7","4","8","6","4","7","1") = "7"
    & skf18("7","4","8","6","4","8","1") = "7"
    & skf18("7","4","8","6","4","9","1") = "8"
    & skf18("7","4","8","6","4","10","1") = "9"
    & skf18("7","4","8","6","5","1","1") = "7"
    & skf18("7","4","8","6","5","2","1") = "7"
    & skf18("7","4","8","6","5","3","1") = "7"
    & skf18("7","4","8","6","5","4","1") = "7"
    & skf18("7","4","8","6","5","5","1") = "7"
    & skf18("7","4","8","6","5","6","1") = "7"
    & skf18("7","4","8","6","5","7","1") = "7"
    & skf18("7","4","8","6","5","8","1") = "7"
    & skf18("7","4","8","6","5","9","1") = "8"
    & skf18("7","4","8","6","5","10","1") = "9"
    & skf18("7","4","8","6","6","1","1") = "7"
    & skf18("7","4","8","6","6","2","1") = "7"
    & skf18("7","4","8","6","6","3","1") = "7"
    & skf18("7","4","8","6","6","4","1") = "7"
    & skf18("7","4","8","6","6","5","1") = "7"
    & skf18("7","4","8","6","6","6","1") = "7"
    & skf18("7","4","8","6","6","7","1") = "7"
    & skf18("7","4","8","6","6","8","1") = "7"
    & skf18("7","4","8","6","6","9","1") = "8"
    & skf18("7","4","8","6","6","10","1") = "9"
    & skf18("7","4","8","6","7","1","1") = "7"
    & skf18("7","4","8","6","7","2","1") = "7"
    & skf18("7","4","8","6","7","3","1") = "7"
    & skf18("7","4","8","6","7","4","1") = "7"
    & skf18("7","4","8","6","7","5","1") = "7"
    & skf18("7","4","8","6","7","6","1") = "7"
    & skf18("7","4","8","6","7","7","1") = "7"
    & skf18("7","4","8","6","7","8","1") = "7"
    & skf18("7","4","8","6","7","9","1") = "8"
    & skf18("7","4","8","6","7","10","1") = "9"
    & skf18("7","4","8","6","8","1","1") = "7"
    & skf18("7","4","8","6","8","2","1") = "7"
    & skf18("7","4","8","6","8","3","1") = "7"
    & skf18("7","4","8","6","8","4","1") = "7"
    & skf18("7","4","8","6","8","5","1") = "7"
    & skf18("7","4","8","6","8","6","1") = "7"
    & skf18("7","4","8","6","8","7","1") = "7"
    & skf18("7","4","8","6","8","8","1") = "7"
    & skf18("7","4","8","6","8","9","1") = "8"
    & skf18("7","4","8","6","8","10","1") = "9"
    & skf18("7","4","8","6","9","1","1") = "8"
    & skf18("7","4","8","6","9","2","1") = "8"
    & skf18("7","4","8","6","9","3","1") = "8"
    & skf18("7","4","8","6","9","4","1") = "8"
    & skf18("7","4","8","6","9","5","1") = "8"
    & skf18("7","4","8","6","9","6","1") = "8"
    & skf18("7","4","8","6","9","7","1") = "8"
    & skf18("7","4","8","6","9","8","1") = "8"
    & skf18("7","4","8","6","9","9","1") = "8"
    & skf18("7","4","8","6","9","10","1") = "9"
    & skf18("7","4","8","6","10","1","1") = "9"
    & skf18("7","4","8","6","10","2","1") = "9"
    & skf18("7","4","8","6","10","3","1") = "9"
    & skf18("7","4","8","6","10","4","1") = "9"
    & skf18("7","4","8","6","10","5","1") = "9"
    & skf18("7","4","8","6","10","6","1") = "9"
    & skf18("7","4","8","6","10","7","1") = "9"
    & skf18("7","4","8","6","10","8","1") = "9"
    & skf18("7","4","8","6","10","9","1") = "9"
    & skf18("7","4","8","6","10","10","1") = "9"
    & skf18("7","4","8","7","1","1","1") = "7"
    & skf18("7","4","8","7","1","2","1") = "7"
    & skf18("7","4","8","7","1","3","1") = "7"
    & skf18("7","4","8","7","1","4","1") = "7"
    & skf18("7","4","8","7","1","5","1") = "7"
    & skf18("7","4","8","7","1","6","1") = "7"
    & skf18("7","4","8","7","1","7","1") = "7"
    & skf18("7","4","8","7","1","8","1") = "7"
    & skf18("7","4","8","7","1","9","1") = "8"
    & skf18("7","4","8","7","1","10","1") = "9"
    & skf18("7","4","8","7","2","1","1") = "7"
    & skf18("7","4","8","7","2","2","1") = "7"
    & skf18("7","4","8","7","2","3","1") = "7"
    & skf18("7","4","8","7","2","4","1") = "7"
    & skf18("7","4","8","7","2","5","1") = "7"
    & skf18("7","4","8","7","2","6","1") = "7"
    & skf18("7","4","8","7","2","7","1") = "7"
    & skf18("7","4","8","7","2","8","1") = "7"
    & skf18("7","4","8","7","2","9","1") = "8"
    & skf18("7","4","8","7","2","10","1") = "9"
    & skf18("7","4","8","7","3","1","1") = "7"
    & skf18("7","4","8","7","3","2","1") = "7"
    & skf18("7","4","8","7","3","3","1") = "7"
    & skf18("7","4","8","7","3","4","1") = "7"
    & skf18("7","4","8","7","3","5","1") = "7"
    & skf18("7","4","8","7","3","6","1") = "7"
    & skf18("7","4","8","7","3","7","1") = "7"
    & skf18("7","4","8","7","3","8","1") = "7"
    & skf18("7","4","8","7","3","9","1") = "8"
    & skf18("7","4","8","7","3","10","1") = "9"
    & skf18("7","4","8","7","4","1","1") = "7"
    & skf18("7","4","8","7","4","2","1") = "7"
    & skf18("7","4","8","7","4","3","1") = "7"
    & skf18("7","4","8","7","4","4","1") = "7"
    & skf18("7","4","8","7","4","5","1") = "7"
    & skf18("7","4","8","7","4","6","1") = "7"
    & skf18("7","4","8","7","4","7","1") = "7"
    & skf18("7","4","8","7","4","8","1") = "7"
    & skf18("7","4","8","7","4","9","1") = "8"
    & skf18("7","4","8","7","4","10","1") = "9"
    & skf18("7","4","8","7","5","1","1") = "7"
    & skf18("7","4","8","7","5","2","1") = "7"
    & skf18("7","4","8","7","5","3","1") = "7"
    & skf18("7","4","8","7","5","4","1") = "7"
    & skf18("7","4","8","7","5","5","1") = "7"
    & skf18("7","4","8","7","5","6","1") = "7"
    & skf18("7","4","8","7","5","7","1") = "7"
    & skf18("7","4","8","7","5","8","1") = "7"
    & skf18("7","4","8","7","5","9","1") = "8"
    & skf18("7","4","8","7","5","10","1") = "9"
    & skf18("7","4","8","7","6","1","1") = "7"
    & skf18("7","4","8","7","6","2","1") = "7"
    & skf18("7","4","8","7","6","3","1") = "7"
    & skf18("7","4","8","7","6","4","1") = "7"
    & skf18("7","4","8","7","6","5","1") = "7"
    & skf18("7","4","8","7","6","6","1") = "7"
    & skf18("7","4","8","7","6","7","1") = "7"
    & skf18("7","4","8","7","6","8","1") = "7"
    & skf18("7","4","8","7","6","9","1") = "8"
    & skf18("7","4","8","7","6","10","1") = "9"
    & skf18("7","4","8","7","7","1","1") = "7"
    & skf18("7","4","8","7","7","2","1") = "7"
    & skf18("7","4","8","7","7","3","1") = "7"
    & skf18("7","4","8","7","7","4","1") = "7"
    & skf18("7","4","8","7","7","5","1") = "7"
    & skf18("7","4","8","7","7","6","1") = "7"
    & skf18("7","4","8","7","7","7","1") = "7"
    & skf18("7","4","8","7","7","8","1") = "7"
    & skf18("7","4","8","7","7","9","1") = "8"
    & skf18("7","4","8","7","7","10","1") = "9"
    & skf18("7","4","8","7","8","1","1") = "7"
    & skf18("7","4","8","7","8","2","1") = "7"
    & skf18("7","4","8","7","8","3","1") = "7"
    & skf18("7","4","8","7","8","4","1") = "7"
    & skf18("7","4","8","7","8","5","1") = "7"
    & skf18("7","4","8","7","8","6","1") = "7"
    & skf18("7","4","8","7","8","7","1") = "7"
    & skf18("7","4","8","7","8","8","1") = "7"
    & skf18("7","4","8","7","8","9","1") = "8"
    & skf18("7","4","8","7","8","10","1") = "9"
    & skf18("7","4","8","7","9","1","1") = "8"
    & skf18("7","4","8","7","9","2","1") = "8"
    & skf18("7","4","8","7","9","3","1") = "8"
    & skf18("7","4","8","7","9","4","1") = "8"
    & skf18("7","4","8","7","9","5","1") = "8"
    & skf18("7","4","8","7","9","6","1") = "8"
    & skf18("7","4","8","7","9","7","1") = "8"
    & skf18("7","4","8","7","9","8","1") = "8"
    & skf18("7","4","8","7","9","9","1") = "8"
    & skf18("7","4","8","7","9","10","1") = "9"
    & skf18("7","4","8","7","10","1","1") = "9"
    & skf18("7","4","8","7","10","2","1") = "9"
    & skf18("7","4","8","7","10","3","1") = "9"
    & skf18("7","4","8","7","10","4","1") = "9"
    & skf18("7","4","8","7","10","5","1") = "9"
    & skf18("7","4","8","7","10","6","1") = "9"
    & skf18("7","4","8","7","10","7","1") = "9"
    & skf18("7","4","8","7","10","8","1") = "9"
    & skf18("7","4","8","7","10","9","1") = "9"
    & skf18("7","4","8","7","10","10","1") = "9"
    & skf18("7","4","8","8","1","1","1") = "7"
    & skf18("7","4","8","8","1","2","1") = "7"
    & skf18("7","4","8","8","1","3","1") = "7"
    & skf18("7","4","8","8","1","4","1") = "7"
    & skf18("7","4","8","8","1","5","1") = "7"
    & skf18("7","4","8","8","1","6","1") = "7"
    & skf18("7","4","8","8","1","7","1") = "7"
    & skf18("7","4","8","8","1","8","1") = "7"
    & skf18("7","4","8","8","1","9","1") = "8"
    & skf18("7","4","8","8","1","10","1") = "9"
    & skf18("7","4","8","8","2","1","1") = "7"
    & skf18("7","4","8","8","2","2","1") = "7"
    & skf18("7","4","8","8","2","3","1") = "7"
    & skf18("7","4","8","8","2","4","1") = "7"
    & skf18("7","4","8","8","2","5","1") = "7"
    & skf18("7","4","8","8","2","6","1") = "7"
    & skf18("7","4","8","8","2","7","1") = "7"
    & skf18("7","4","8","8","2","8","1") = "7"
    & skf18("7","4","8","8","2","9","1") = "8"
    & skf18("7","4","8","8","2","10","1") = "9"
    & skf18("7","4","8","8","3","1","1") = "7"
    & skf18("7","4","8","8","3","2","1") = "7"
    & skf18("7","4","8","8","3","3","1") = "7"
    & skf18("7","4","8","8","3","4","1") = "7"
    & skf18("7","4","8","8","3","5","1") = "7"
    & skf18("7","4","8","8","3","6","1") = "7"
    & skf18("7","4","8","8","3","7","1") = "7"
    & skf18("7","4","8","8","3","8","1") = "7"
    & skf18("7","4","8","8","3","9","1") = "8"
    & skf18("7","4","8","8","3","10","1") = "9"
    & skf18("7","4","8","8","4","1","1") = "7"
    & skf18("7","4","8","8","4","2","1") = "7"
    & skf18("7","4","8","8","4","3","1") = "7"
    & skf18("7","4","8","8","4","4","1") = "7"
    & skf18("7","4","8","8","4","5","1") = "7"
    & skf18("7","4","8","8","4","6","1") = "7"
    & skf18("7","4","8","8","4","7","1") = "7"
    & skf18("7","4","8","8","4","8","1") = "7"
    & skf18("7","4","8","8","4","9","1") = "8"
    & skf18("7","4","8","8","4","10","1") = "9"
    & skf18("7","4","8","8","5","1","1") = "7"
    & skf18("7","4","8","8","5","2","1") = "7"
    & skf18("7","4","8","8","5","3","1") = "7"
    & skf18("7","4","8","8","5","4","1") = "7"
    & skf18("7","4","8","8","5","5","1") = "7"
    & skf18("7","4","8","8","5","6","1") = "7"
    & skf18("7","4","8","8","5","7","1") = "7"
    & skf18("7","4","8","8","5","8","1") = "7"
    & skf18("7","4","8","8","5","9","1") = "8"
    & skf18("7","4","8","8","5","10","1") = "9"
    & skf18("7","4","8","8","6","1","1") = "7"
    & skf18("7","4","8","8","6","2","1") = "7"
    & skf18("7","4","8","8","6","3","1") = "7"
    & skf18("7","4","8","8","6","4","1") = "7"
    & skf18("7","4","8","8","6","5","1") = "7"
    & skf18("7","4","8","8","6","6","1") = "7"
    & skf18("7","4","8","8","6","7","1") = "7"
    & skf18("7","4","8","8","6","8","1") = "7"
    & skf18("7","4","8","8","6","9","1") = "8"
    & skf18("7","4","8","8","6","10","1") = "9"
    & skf18("7","4","8","8","7","1","1") = "7"
    & skf18("7","4","8","8","7","2","1") = "7"
    & skf18("7","4","8","8","7","3","1") = "7"
    & skf18("7","4","8","8","7","4","1") = "7"
    & skf18("7","4","8","8","7","5","1") = "7"
    & skf18("7","4","8","8","7","6","1") = "7"
    & skf18("7","4","8","8","7","7","1") = "7"
    & skf18("7","4","8","8","7","8","1") = "7"
    & skf18("7","4","8","8","7","9","1") = "8"
    & skf18("7","4","8","8","7","10","1") = "9"
    & skf18("7","4","8","8","8","1","1") = "7"
    & skf18("7","4","8","8","8","2","1") = "7"
    & skf18("7","4","8","8","8","3","1") = "7"
    & skf18("7","4","8","8","8","4","1") = "7"
    & skf18("7","4","8","8","8","5","1") = "7"
    & skf18("7","4","8","8","8","6","1") = "7"
    & skf18("7","4","8","8","8","7","1") = "7"
    & skf18("7","4","8","8","8","8","1") = "7"
    & skf18("7","4","8","8","8","9","1") = "8"
    & skf18("7","4","8","8","8","10","1") = "9"
    & skf18("7","4","8","8","9","1","1") = "8"
    & skf18("7","4","8","8","9","2","1") = "8"
    & skf18("7","4","8","8","9","3","1") = "8"
    & skf18("7","4","8","8","9","4","1") = "8"
    & skf18("7","4","8","8","9","5","1") = "8"
    & skf18("7","4","8","8","9","6","1") = "8"
    & skf18("7","4","8","8","9","7","1") = "8"
    & skf18("7","4","8","8","9","8","1") = "8"
    & skf18("7","4","8","8","9","9","1") = "8"
    & skf18("7","4","8","8","9","10","1") = "9"
    & skf18("7","4","8","8","10","1","1") = "9"
    & skf18("7","4","8","8","10","2","1") = "9"
    & skf18("7","4","8","8","10","3","1") = "9"
    & skf18("7","4","8","8","10","4","1") = "9"
    & skf18("7","4","8","8","10","5","1") = "9"
    & skf18("7","4","8","8","10","6","1") = "9"
    & skf18("7","4","8","8","10","7","1") = "9"
    & skf18("7","4","8","8","10","8","1") = "9"
    & skf18("7","4","8","8","10","9","1") = "9"
    & skf18("7","4","8","8","10","10","1") = "9"
    & skf18("7","4","8","9","1","1","1") = "8"
    & skf18("7","4","8","9","1","2","1") = "8"
    & skf18("7","4","8","9","1","3","1") = "8"
    & skf18("7","4","8","9","1","4","1") = "8"
    & skf18("7","4","8","9","1","5","1") = "8"
    & skf18("7","4","8","9","1","6","1") = "8"
    & skf18("7","4","8","9","1","7","1") = "8"
    & skf18("7","4","8","9","1","8","1") = "8"
    & skf18("7","4","8","9","1","9","1") = "8"
    & skf18("7","4","8","9","1","10","1") = "9"
    & skf18("7","4","8","9","2","1","1") = "8"
    & skf18("7","4","8","9","2","2","1") = "8"
    & skf18("7","4","8","9","2","3","1") = "8"
    & skf18("7","4","8","9","2","4","1") = "8"
    & skf18("7","4","8","9","2","5","1") = "8"
    & skf18("7","4","8","9","2","6","1") = "8"
    & skf18("7","4","8","9","2","7","1") = "8"
    & skf18("7","4","8","9","2","8","1") = "8"
    & skf18("7","4","8","9","2","9","1") = "8"
    & skf18("7","4","8","9","2","10","1") = "9"
    & skf18("7","4","8","9","3","1","1") = "8"
    & skf18("7","4","8","9","3","2","1") = "8"
    & skf18("7","4","8","9","3","3","1") = "8"
    & skf18("7","4","8","9","3","4","1") = "8"
    & skf18("7","4","8","9","3","5","1") = "8"
    & skf18("7","4","8","9","3","6","1") = "8"
    & skf18("7","4","8","9","3","7","1") = "8"
    & skf18("7","4","8","9","3","8","1") = "8"
    & skf18("7","4","8","9","3","9","1") = "8"
    & skf18("7","4","8","9","3","10","1") = "9"
    & skf18("7","4","8","9","4","1","1") = "8"
    & skf18("7","4","8","9","4","2","1") = "8"
    & skf18("7","4","8","9","4","3","1") = "8"
    & skf18("7","4","8","9","4","4","1") = "8"
    & skf18("7","4","8","9","4","5","1") = "8"
    & skf18("7","4","8","9","4","6","1") = "8"
    & skf18("7","4","8","9","4","7","1") = "8"
    & skf18("7","4","8","9","4","8","1") = "8"
    & skf18("7","4","8","9","4","9","1") = "8"
    & skf18("7","4","8","9","4","10","1") = "9"
    & skf18("7","4","8","9","5","1","1") = "8"
    & skf18("7","4","8","9","5","2","1") = "8"
    & skf18("7","4","8","9","5","3","1") = "8"
    & skf18("7","4","8","9","5","4","1") = "8"
    & skf18("7","4","8","9","5","5","1") = "8"
    & skf18("7","4","8","9","5","6","1") = "8"
    & skf18("7","4","8","9","5","7","1") = "8"
    & skf18("7","4","8","9","5","8","1") = "8"
    & skf18("7","4","8","9","5","9","1") = "8"
    & skf18("7","4","8","9","5","10","1") = "9"
    & skf18("7","4","8","9","6","1","1") = "8"
    & skf18("7","4","8","9","6","2","1") = "8"
    & skf18("7","4","8","9","6","3","1") = "8"
    & skf18("7","4","8","9","6","4","1") = "8"
    & skf18("7","4","8","9","6","5","1") = "8"
    & skf18("7","4","8","9","6","6","1") = "8"
    & skf18("7","4","8","9","6","7","1") = "8"
    & skf18("7","4","8","9","6","8","1") = "8"
    & skf18("7","4","8","9","6","9","1") = "8"
    & skf18("7","4","8","9","6","10","1") = "9"
    & skf18("7","4","8","9","7","1","1") = "8"
    & skf18("7","4","8","9","7","2","1") = "8"
    & skf18("7","4","8","9","7","3","1") = "8"
    & skf18("7","4","8","9","7","4","1") = "8"
    & skf18("7","4","8","9","7","5","1") = "8"
    & skf18("7","4","8","9","7","6","1") = "8"
    & skf18("7","4","8","9","7","7","1") = "8"
    & skf18("7","4","8","9","7","8","1") = "8"
    & skf18("7","4","8","9","7","9","1") = "8"
    & skf18("7","4","8","9","7","10","1") = "9"
    & skf18("7","4","8","9","8","1","1") = "8"
    & skf18("7","4","8","9","8","2","1") = "8"
    & skf18("7","4","8","9","8","3","1") = "8"
    & skf18("7","4","8","9","8","4","1") = "8"
    & skf18("7","4","8","9","8","5","1") = "8"
    & skf18("7","4","8","9","8","6","1") = "8"
    & skf18("7","4","8","9","8","7","1") = "8"
    & skf18("7","4","8","9","8","8","1") = "8"
    & skf18("7","4","8","9","8","9","1") = "8"
    & skf18("7","4","8","9","8","10","1") = "9"
    & skf18("7","4","8","9","9","1","1") = "8"
    & skf18("7","4","8","9","9","2","1") = "8"
    & skf18("7","4","8","9","9","3","1") = "8"
    & skf18("7","4","8","9","9","4","1") = "8"
    & skf18("7","4","8","9","9","5","1") = "8"
    & skf18("7","4","8","9","9","6","1") = "8"
    & skf18("7","4","8","9","9","7","1") = "8"
    & skf18("7","4","8","9","9","8","1") = "8"
    & skf18("7","4","8","9","9","9","1") = "8"
    & skf18("7","4","8","9","9","10","1") = "9"
    & skf18("7","4","8","9","10","1","1") = "9"
    & skf18("7","4","8","9","10","2","1") = "9"
    & skf18("7","4","8","9","10","3","1") = "9"
    & skf18("7","4","8","9","10","4","1") = "9"
    & skf18("7","4","8","9","10","5","1") = "9"
    & skf18("7","4","8","9","10","6","1") = "9"
    & skf18("7","4","8","9","10","7","1") = "9"
    & skf18("7","4","8","9","10","8","1") = "9"
    & skf18("7","4","8","9","10","9","1") = "9"
    & skf18("7","4","8","9","10","10","1") = "9"
    & skf18("7","4","8","10","1","1","1") = "9"
    & skf18("7","4","8","10","1","2","1") = "9"
    & skf18("7","4","8","10","1","3","1") = "9"
    & skf18("7","4","8","10","1","4","1") = "9"
    & skf18("7","4","8","10","1","5","1") = "9"
    & skf18("7","4","8","10","1","6","1") = "9"
    & skf18("7","4","8","10","1","7","1") = "9"
    & skf18("7","4","8","10","1","8","1") = "9"
    & skf18("7","4","8","10","1","9","1") = "9"
    & skf18("7","4","8","10","1","10","1") = "9"
    & skf18("7","4","8","10","2","1","1") = "9"
    & skf18("7","4","8","10","2","2","1") = "9"
    & skf18("7","4","8","10","2","3","1") = "9"
    & skf18("7","4","8","10","2","4","1") = "9"
    & skf18("7","4","8","10","2","5","1") = "9"
    & skf18("7","4","8","10","2","6","1") = "9"
    & skf18("7","4","8","10","2","7","1") = "9"
    & skf18("7","4","8","10","2","8","1") = "9"
    & skf18("7","4","8","10","2","9","1") = "9"
    & skf18("7","4","8","10","2","10","1") = "9"
    & skf18("7","4","8","10","3","1","1") = "9"
    & skf18("7","4","8","10","3","2","1") = "9"
    & skf18("7","4","8","10","3","3","1") = "9"
    & skf18("7","4","8","10","3","4","1") = "9"
    & skf18("7","4","8","10","3","5","1") = "9"
    & skf18("7","4","8","10","3","6","1") = "9"
    & skf18("7","4","8","10","3","7","1") = "9"
    & skf18("7","4","8","10","3","8","1") = "9"
    & skf18("7","4","8","10","3","9","1") = "9"
    & skf18("7","4","8","10","3","10","1") = "9"
    & skf18("7","4","8","10","4","1","1") = "9"
    & skf18("7","4","8","10","4","2","1") = "9"
    & skf18("7","4","8","10","4","3","1") = "9"
    & skf18("7","4","8","10","4","4","1") = "9"
    & skf18("7","4","8","10","4","5","1") = "9"
    & skf18("7","4","8","10","4","6","1") = "9"
    & skf18("7","4","8","10","4","7","1") = "9"
    & skf18("7","4","8","10","4","8","1") = "9"
    & skf18("7","4","8","10","4","9","1") = "9"
    & skf18("7","4","8","10","4","10","1") = "9"
    & skf18("7","4","8","10","5","1","1") = "9"
    & skf18("7","4","8","10","5","2","1") = "9"
    & skf18("7","4","8","10","5","3","1") = "9"
    & skf18("7","4","8","10","5","4","1") = "9"
    & skf18("7","4","8","10","5","5","1") = "9"
    & skf18("7","4","8","10","5","6","1") = "9"
    & skf18("7","4","8","10","5","7","1") = "9"
    & skf18("7","4","8","10","5","8","1") = "9"
    & skf18("7","4","8","10","5","9","1") = "9"
    & skf18("7","4","8","10","5","10","1") = "9"
    & skf18("7","4","8","10","6","1","1") = "9"
    & skf18("7","4","8","10","6","2","1") = "9"
    & skf18("7","4","8","10","6","3","1") = "9"
    & skf18("7","4","8","10","6","4","1") = "9"
    & skf18("7","4","8","10","6","5","1") = "9"
    & skf18("7","4","8","10","6","6","1") = "9"
    & skf18("7","4","8","10","6","7","1") = "9"
    & skf18("7","4","8","10","6","8","1") = "9"
    & skf18("7","4","8","10","6","9","1") = "9"
    & skf18("7","4","8","10","6","10","1") = "9"
    & skf18("7","4","8","10","7","1","1") = "9"
    & skf18("7","4","8","10","7","2","1") = "9"
    & skf18("7","4","8","10","7","3","1") = "9"
    & skf18("7","4","8","10","7","4","1") = "9"
    & skf18("7","4","8","10","7","5","1") = "9"
    & skf18("7","4","8","10","7","6","1") = "9"
    & skf18("7","4","8","10","7","7","1") = "9"
    & skf18("7","4","8","10","7","8","1") = "9"
    & skf18("7","4","8","10","7","9","1") = "9"
    & skf18("7","4","8","10","7","10","1") = "9"
    & skf18("7","4","8","10","8","1","1") = "9"
    & skf18("7","4","8","10","8","2","1") = "9"
    & skf18("7","4","8","10","8","3","1") = "9"
    & skf18("7","4","8","10","8","4","1") = "9"
    & skf18("7","4","8","10","8","5","1") = "9"
    & skf18("7","4","8","10","8","6","1") = "9"
    & skf18("7","4","8","10","8","7","1") = "9"
    & skf18("7","4","8","10","8","8","1") = "9"
    & skf18("7","4","8","10","8","9","1") = "9"
    & skf18("7","4","8","10","8","10","1") = "9"
    & skf18("7","4","8","10","9","1","1") = "9"
    & skf18("7","4","8","10","9","2","1") = "9"
    & skf18("7","4","8","10","9","3","1") = "9"
    & skf18("7","4","8","10","9","4","1") = "9"
    & skf18("7","4","8","10","9","5","1") = "9"
    & skf18("7","4","8","10","9","6","1") = "9"
    & skf18("7","4","8","10","9","7","1") = "9"
    & skf18("7","4","8","10","9","8","1") = "9"
    & skf18("7","4","8","10","9","9","1") = "9"
    & skf18("7","4","8","10","9","10","1") = "9"
    & skf18("7","4","8","10","10","1","1") = "9"
    & skf18("7","4","8","10","10","2","1") = "9"
    & skf18("7","4","8","10","10","3","1") = "9"
    & skf18("7","4","8","10","10","4","1") = "9"
    & skf18("7","4","8","10","10","5","1") = "9"
    & skf18("7","4","8","10","10","6","1") = "9"
    & skf18("7","4","8","10","10","7","1") = "9"
    & skf18("7","4","8","10","10","8","1") = "9"
    & skf18("7","4","8","10","10","9","1") = "9"
    & skf18("7","4","8","10","10","10","1") = "9"
    & skf18("7","4","9","1","1","1","1") = "8"
    & skf18("7","4","9","1","1","2","1") = "8"
    & skf18("7","4","9","1","1","3","1") = "8"
    & skf18("7","4","9","1","1","4","1") = "8"
    & skf18("7","4","9","1","1","5","1") = "8"
    & skf18("7","4","9","1","1","6","1") = "8"
    & skf18("7","4","9","1","1","7","1") = "8"
    & skf18("7","4","9","1","1","8","1") = "8"
    & skf18("7","4","9","1","1","9","1") = "8"
    & skf18("7","4","9","1","1","10","1") = "9"
    & skf18("7","4","9","1","2","1","1") = "8"
    & skf18("7","4","9","1","2","2","1") = "8"
    & skf18("7","4","9","1","2","3","1") = "8"
    & skf18("7","4","9","1","2","4","1") = "8"
    & skf18("7","4","9","1","2","5","1") = "8"
    & skf18("7","4","9","1","2","6","1") = "8"
    & skf18("7","4","9","1","2","7","1") = "8"
    & skf18("7","4","9","1","2","8","1") = "8"
    & skf18("7","4","9","1","2","9","1") = "8"
    & skf18("7","4","9","1","2","10","1") = "9"
    & skf18("7","4","9","1","3","1","1") = "8"
    & skf18("7","4","9","1","3","2","1") = "8"
    & skf18("7","4","9","1","3","3","1") = "8"
    & skf18("7","4","9","1","3","4","1") = "8"
    & skf18("7","4","9","1","3","5","1") = "8"
    & skf18("7","4","9","1","3","6","1") = "8"
    & skf18("7","4","9","1","3","7","1") = "8"
    & skf18("7","4","9","1","3","8","1") = "8"
    & skf18("7","4","9","1","3","9","1") = "8"
    & skf18("7","4","9","1","3","10","1") = "9"
    & skf18("7","4","9","1","4","1","1") = "8"
    & skf18("7","4","9","1","4","2","1") = "8"
    & skf18("7","4","9","1","4","3","1") = "8"
    & skf18("7","4","9","1","4","4","1") = "8"
    & skf18("7","4","9","1","4","5","1") = "8"
    & skf18("7","4","9","1","4","6","1") = "8"
    & skf18("7","4","9","1","4","7","1") = "8"
    & skf18("7","4","9","1","4","8","1") = "8"
    & skf18("7","4","9","1","4","9","1") = "8"
    & skf18("7","4","9","1","4","10","1") = "9"
    & skf18("7","4","9","1","5","1","1") = "8"
    & skf18("7","4","9","1","5","2","1") = "8"
    & skf18("7","4","9","1","5","3","1") = "8"
    & skf18("7","4","9","1","5","4","1") = "8"
    & skf18("7","4","9","1","5","5","1") = "8"
    & skf18("7","4","9","1","5","6","1") = "8"
    & skf18("7","4","9","1","5","7","1") = "8"
    & skf18("7","4","9","1","5","8","1") = "8"
    & skf18("7","4","9","1","5","9","1") = "8"
    & skf18("7","4","9","1","5","10","1") = "9"
    & skf18("7","4","9","1","6","1","1") = "8"
    & skf18("7","4","9","1","6","2","1") = "8"
    & skf18("7","4","9","1","6","3","1") = "8"
    & skf18("7","4","9","1","6","4","1") = "8"
    & skf18("7","4","9","1","6","5","1") = "8"
    & skf18("7","4","9","1","6","6","1") = "8"
    & skf18("7","4","9","1","6","7","1") = "8"
    & skf18("7","4","9","1","6","8","1") = "8"
    & skf18("7","4","9","1","6","9","1") = "8"
    & skf18("7","4","9","1","6","10","1") = "9"
    & skf18("7","4","9","1","7","1","1") = "8"
    & skf18("7","4","9","1","7","2","1") = "8"
    & skf18("7","4","9","1","7","3","1") = "8"
    & skf18("7","4","9","1","7","4","1") = "8"
    & skf18("7","4","9","1","7","5","1") = "8"
    & skf18("7","4","9","1","7","6","1") = "8"
    & skf18("7","4","9","1","7","7","1") = "8"
    & skf18("7","4","9","1","7","8","1") = "8"
    & skf18("7","4","9","1","7","9","1") = "8"
    & skf18("7","4","9","1","7","10","1") = "9"
    & skf18("7","4","9","1","8","1","1") = "8"
    & skf18("7","4","9","1","8","2","1") = "8"
    & skf18("7","4","9","1","8","3","1") = "8"
    & skf18("7","4","9","1","8","4","1") = "8"
    & skf18("7","4","9","1","8","5","1") = "8"
    & skf18("7","4","9","1","8","6","1") = "8"
    & skf18("7","4","9","1","8","7","1") = "8"
    & skf18("7","4","9","1","8","8","1") = "8"
    & skf18("7","4","9","1","8","9","1") = "8"
    & skf18("7","4","9","1","8","10","1") = "9"
    & skf18("7","4","9","1","9","1","1") = "8"
    & skf18("7","4","9","1","9","2","1") = "8"
    & skf18("7","4","9","1","9","3","1") = "8"
    & skf18("7","4","9","1","9","4","1") = "8"
    & skf18("7","4","9","1","9","5","1") = "8"
    & skf18("7","4","9","1","9","6","1") = "8"
    & skf18("7","4","9","1","9","7","1") = "8"
    & skf18("7","4","9","1","9","8","1") = "8"
    & skf18("7","4","9","1","9","9","1") = "8"
    & skf18("7","4","9","1","9","10","1") = "9"
    & skf18("7","4","9","1","10","1","1") = "9"
    & skf18("7","4","9","1","10","2","1") = "9"
    & skf18("7","4","9","1","10","3","1") = "9"
    & skf18("7","4","9","1","10","4","1") = "9"
    & skf18("7","4","9","1","10","5","1") = "9"
    & skf18("7","4","9","1","10","6","1") = "9"
    & skf18("7","4","9","1","10","7","1") = "9"
    & skf18("7","4","9","1","10","8","1") = "9"
    & skf18("7","4","9","1","10","9","1") = "9"
    & skf18("7","4","9","1","10","10","1") = "9"
    & skf18("7","4","9","2","1","1","1") = "8"
    & skf18("7","4","9","2","1","2","1") = "8"
    & skf18("7","4","9","2","1","3","1") = "8"
    & skf18("7","4","9","2","1","4","1") = "8"
    & skf18("7","4","9","2","1","5","1") = "8"
    & skf18("7","4","9","2","1","6","1") = "8"
    & skf18("7","4","9","2","1","7","1") = "8"
    & skf18("7","4","9","2","1","8","1") = "8"
    & skf18("7","4","9","2","1","9","1") = "8"
    & skf18("7","4","9","2","1","10","1") = "9"
    & skf18("7","4","9","2","2","1","1") = "8"
    & skf18("7","4","9","2","2","2","1") = "8"
    & skf18("7","4","9","2","2","3","1") = "8"
    & skf18("7","4","9","2","2","4","1") = "8"
    & skf18("7","4","9","2","2","5","1") = "8"
    & skf18("7","4","9","2","2","6","1") = "8"
    & skf18("7","4","9","2","2","7","1") = "8"
    & skf18("7","4","9","2","2","8","1") = "8"
    & skf18("7","4","9","2","2","9","1") = "8"
    & skf18("7","4","9","2","2","10","1") = "9"
    & skf18("7","4","9","2","3","1","1") = "8"
    & skf18("7","4","9","2","3","2","1") = "8"
    & skf18("7","4","9","2","3","3","1") = "8"
    & skf18("7","4","9","2","3","4","1") = "8"
    & skf18("7","4","9","2","3","5","1") = "8"
    & skf18("7","4","9","2","3","6","1") = "8"
    & skf18("7","4","9","2","3","7","1") = "8"
    & skf18("7","4","9","2","3","8","1") = "8"
    & skf18("7","4","9","2","3","9","1") = "8"
    & skf18("7","4","9","2","3","10","1") = "9"
    & skf18("7","4","9","2","4","1","1") = "8"
    & skf18("7","4","9","2","4","2","1") = "8"
    & skf18("7","4","9","2","4","3","1") = "8"
    & skf18("7","4","9","2","4","4","1") = "8"
    & skf18("7","4","9","2","4","5","1") = "8"
    & skf18("7","4","9","2","4","6","1") = "8"
    & skf18("7","4","9","2","4","7","1") = "8"
    & skf18("7","4","9","2","4","8","1") = "8"
    & skf18("7","4","9","2","4","9","1") = "8"
    & skf18("7","4","9","2","4","10","1") = "9"
    & skf18("7","4","9","2","5","1","1") = "8"
    & skf18("7","4","9","2","5","2","1") = "8"
    & skf18("7","4","9","2","5","3","1") = "8"
    & skf18("7","4","9","2","5","4","1") = "8"
    & skf18("7","4","9","2","5","5","1") = "8"
    & skf18("7","4","9","2","5","6","1") = "8"
    & skf18("7","4","9","2","5","7","1") = "8"
    & skf18("7","4","9","2","5","8","1") = "8"
    & skf18("7","4","9","2","5","9","1") = "8"
    & skf18("7","4","9","2","5","10","1") = "9"
    & skf18("7","4","9","2","6","1","1") = "8"
    & skf18("7","4","9","2","6","2","1") = "8"
    & skf18("7","4","9","2","6","3","1") = "8"
    & skf18("7","4","9","2","6","4","1") = "8"
    & skf18("7","4","9","2","6","5","1") = "8"
    & skf18("7","4","9","2","6","6","1") = "8"
    & skf18("7","4","9","2","6","7","1") = "8"
    & skf18("7","4","9","2","6","8","1") = "8"
    & skf18("7","4","9","2","6","9","1") = "8"
    & skf18("7","4","9","2","6","10","1") = "9"
    & skf18("7","4","9","2","7","1","1") = "8"
    & skf18("7","4","9","2","7","2","1") = "8"
    & skf18("7","4","9","2","7","3","1") = "8"
    & skf18("7","4","9","2","7","4","1") = "8"
    & skf18("7","4","9","2","7","5","1") = "8"
    & skf18("7","4","9","2","7","6","1") = "8"
    & skf18("7","4","9","2","7","7","1") = "8"
    & skf18("7","4","9","2","7","8","1") = "8"
    & skf18("7","4","9","2","7","9","1") = "8"
    & skf18("7","4","9","2","7","10","1") = "9"
    & skf18("7","4","9","2","8","1","1") = "8"
    & skf18("7","4","9","2","8","2","1") = "8"
    & skf18("7","4","9","2","8","3","1") = "8"
    & skf18("7","4","9","2","8","4","1") = "8"
    & skf18("7","4","9","2","8","5","1") = "8"
    & skf18("7","4","9","2","8","6","1") = "8"
    & skf18("7","4","9","2","8","7","1") = "8"
    & skf18("7","4","9","2","8","8","1") = "8"
    & skf18("7","4","9","2","8","9","1") = "8"
    & skf18("7","4","9","2","8","10","1") = "9"
    & skf18("7","4","9","2","9","1","1") = "8"
    & skf18("7","4","9","2","9","2","1") = "8"
    & skf18("7","4","9","2","9","3","1") = "8"
    & skf18("7","4","9","2","9","4","1") = "8"
    & skf18("7","4","9","2","9","5","1") = "8"
    & skf18("7","4","9","2","9","6","1") = "8"
    & skf18("7","4","9","2","9","7","1") = "8"
    & skf18("7","4","9","2","9","8","1") = "8"
    & skf18("7","4","9","2","9","9","1") = "8"
    & skf18("7","4","9","2","9","10","1") = "9"
    & skf18("7","4","9","2","10","1","1") = "9"
    & skf18("7","4","9","2","10","2","1") = "9"
    & skf18("7","4","9","2","10","3","1") = "9"
    & skf18("7","4","9","2","10","4","1") = "9"
    & skf18("7","4","9","2","10","5","1") = "9"
    & skf18("7","4","9","2","10","6","1") = "9"
    & skf18("7","4","9","2","10","7","1") = "9"
    & skf18("7","4","9","2","10","8","1") = "9"
    & skf18("7","4","9","2","10","9","1") = "9"
    & skf18("7","4","9","2","10","10","1") = "9"
    & skf18("7","4","9","3","1","1","1") = "8"
    & skf18("7","4","9","3","1","2","1") = "8"
    & skf18("7","4","9","3","1","3","1") = "8"
    & skf18("7","4","9","3","1","4","1") = "8"
    & skf18("7","4","9","3","1","5","1") = "8"
    & skf18("7","4","9","3","1","6","1") = "8"
    & skf18("7","4","9","3","1","7","1") = "8"
    & skf18("7","4","9","3","1","8","1") = "8"
    & skf18("7","4","9","3","1","9","1") = "8"
    & skf18("7","4","9","3","1","10","1") = "9"
    & skf18("7","4","9","3","2","1","1") = "8"
    & skf18("7","4","9","3","2","2","1") = "8"
    & skf18("7","4","9","3","2","3","1") = "8"
    & skf18("7","4","9","3","2","4","1") = "8"
    & skf18("7","4","9","3","2","5","1") = "8"
    & skf18("7","4","9","3","2","6","1") = "8"
    & skf18("7","4","9","3","2","7","1") = "8"
    & skf18("7","4","9","3","2","8","1") = "8"
    & skf18("7","4","9","3","2","9","1") = "8"
    & skf18("7","4","9","3","2","10","1") = "9"
    & skf18("7","4","9","3","3","1","1") = "8"
    & skf18("7","4","9","3","3","2","1") = "8"
    & skf18("7","4","9","3","3","3","1") = "8"
    & skf18("7","4","9","3","3","4","1") = "8"
    & skf18("7","4","9","3","3","5","1") = "8"
    & skf18("7","4","9","3","3","6","1") = "8"
    & skf18("7","4","9","3","3","7","1") = "8"
    & skf18("7","4","9","3","3","8","1") = "8"
    & skf18("7","4","9","3","3","9","1") = "8"
    & skf18("7","4","9","3","3","10","1") = "9"
    & skf18("7","4","9","3","4","1","1") = "8"
    & skf18("7","4","9","3","4","2","1") = "8"
    & skf18("7","4","9","3","4","3","1") = "8"
    & skf18("7","4","9","3","4","4","1") = "8"
    & skf18("7","4","9","3","4","5","1") = "8"
    & skf18("7","4","9","3","4","6","1") = "8"
    & skf18("7","4","9","3","4","7","1") = "8"
    & skf18("7","4","9","3","4","8","1") = "8"
    & skf18("7","4","9","3","4","9","1") = "8"
    & skf18("7","4","9","3","4","10","1") = "9"
    & skf18("7","4","9","3","5","1","1") = "8"
    & skf18("7","4","9","3","5","2","1") = "8"
    & skf18("7","4","9","3","5","3","1") = "8"
    & skf18("7","4","9","3","5","4","1") = "8"
    & skf18("7","4","9","3","5","5","1") = "8"
    & skf18("7","4","9","3","5","6","1") = "8"
    & skf18("7","4","9","3","5","7","1") = "8"
    & skf18("7","4","9","3","5","8","1") = "8"
    & skf18("7","4","9","3","5","9","1") = "8"
    & skf18("7","4","9","3","5","10","1") = "9"
    & skf18("7","4","9","3","6","1","1") = "8"
    & skf18("7","4","9","3","6","2","1") = "8"
    & skf18("7","4","9","3","6","3","1") = "8"
    & skf18("7","4","9","3","6","4","1") = "8"
    & skf18("7","4","9","3","6","5","1") = "8"
    & skf18("7","4","9","3","6","6","1") = "8"
    & skf18("7","4","9","3","6","7","1") = "8"
    & skf18("7","4","9","3","6","8","1") = "8"
    & skf18("7","4","9","3","6","9","1") = "8"
    & skf18("7","4","9","3","6","10","1") = "9"
    & skf18("7","4","9","3","7","1","1") = "8"
    & skf18("7","4","9","3","7","2","1") = "8"
    & skf18("7","4","9","3","7","3","1") = "8"
    & skf18("7","4","9","3","7","4","1") = "8"
    & skf18("7","4","9","3","7","5","1") = "8"
    & skf18("7","4","9","3","7","6","1") = "8"
    & skf18("7","4","9","3","7","7","1") = "8"
    & skf18("7","4","9","3","7","8","1") = "8"
    & skf18("7","4","9","3","7","9","1") = "8"
    & skf18("7","4","9","3","7","10","1") = "9"
    & skf18("7","4","9","3","8","1","1") = "8"
    & skf18("7","4","9","3","8","2","1") = "8"
    & skf18("7","4","9","3","8","3","1") = "8"
    & skf18("7","4","9","3","8","4","1") = "8"
    & skf18("7","4","9","3","8","5","1") = "8"
    & skf18("7","4","9","3","8","6","1") = "8"
    & skf18("7","4","9","3","8","7","1") = "8"
    & skf18("7","4","9","3","8","8","1") = "8"
    & skf18("7","4","9","3","8","9","1") = "8"
    & skf18("7","4","9","3","8","10","1") = "9"
    & skf18("7","4","9","3","9","1","1") = "8"
    & skf18("7","4","9","3","9","2","1") = "8"
    & skf18("7","4","9","3","9","3","1") = "8"
    & skf18("7","4","9","3","9","4","1") = "8"
    & skf18("7","4","9","3","9","5","1") = "8"
    & skf18("7","4","9","3","9","6","1") = "8"
    & skf18("7","4","9","3","9","7","1") = "8"
    & skf18("7","4","9","3","9","8","1") = "8"
    & skf18("7","4","9","3","9","9","1") = "8"
    & skf18("7","4","9","3","9","10","1") = "9"
    & skf18("7","4","9","3","10","1","1") = "9"
    & skf18("7","4","9","3","10","2","1") = "9"
    & skf18("7","4","9","3","10","3","1") = "9"
    & skf18("7","4","9","3","10","4","1") = "9"
    & skf18("7","4","9","3","10","5","1") = "9"
    & skf18("7","4","9","3","10","6","1") = "9"
    & skf18("7","4","9","3","10","7","1") = "9"
    & skf18("7","4","9","3","10","8","1") = "9"
    & skf18("7","4","9","3","10","9","1") = "9"
    & skf18("7","4","9","3","10","10","1") = "9"
    & skf18("7","4","9","4","1","1","1") = "8"
    & skf18("7","4","9","4","1","2","1") = "8"
    & skf18("7","4","9","4","1","3","1") = "8"
    & skf18("7","4","9","4","1","4","1") = "8"
    & skf18("7","4","9","4","1","5","1") = "8"
    & skf18("7","4","9","4","1","6","1") = "8"
    & skf18("7","4","9","4","1","7","1") = "8"
    & skf18("7","4","9","4","1","8","1") = "8"
    & skf18("7","4","9","4","1","9","1") = "8"
    & skf18("7","4","9","4","1","10","1") = "9"
    & skf18("7","4","9","4","2","1","1") = "8"
    & skf18("7","4","9","4","2","2","1") = "8"
    & skf18("7","4","9","4","2","3","1") = "8"
    & skf18("7","4","9","4","2","4","1") = "8"
    & skf18("7","4","9","4","2","5","1") = "8"
    & skf18("7","4","9","4","2","6","1") = "8"
    & skf18("7","4","9","4","2","7","1") = "8"
    & skf18("7","4","9","4","2","8","1") = "8"
    & skf18("7","4","9","4","2","9","1") = "8"
    & skf18("7","4","9","4","2","10","1") = "9"
    & skf18("7","4","9","4","3","1","1") = "8"
    & skf18("7","4","9","4","3","2","1") = "8"
    & skf18("7","4","9","4","3","3","1") = "8"
    & skf18("7","4","9","4","3","4","1") = "8"
    & skf18("7","4","9","4","3","5","1") = "8"
    & skf18("7","4","9","4","3","6","1") = "8"
    & skf18("7","4","9","4","3","7","1") = "8"
    & skf18("7","4","9","4","3","8","1") = "8"
    & skf18("7","4","9","4","3","9","1") = "8"
    & skf18("7","4","9","4","3","10","1") = "9"
    & skf18("7","4","9","4","4","1","1") = "8"
    & skf18("7","4","9","4","4","2","1") = "8"
    & skf18("7","4","9","4","4","3","1") = "8"
    & skf18("7","4","9","4","4","4","1") = "8"
    & skf18("7","4","9","4","4","5","1") = "8"
    & skf18("7","4","9","4","4","6","1") = "8"
    & skf18("7","4","9","4","4","7","1") = "8"
    & skf18("7","4","9","4","4","8","1") = "8"
    & skf18("7","4","9","4","4","9","1") = "8"
    & skf18("7","4","9","4","4","10","1") = "9"
    & skf18("7","4","9","4","5","1","1") = "8"
    & skf18("7","4","9","4","5","2","1") = "8"
    & skf18("7","4","9","4","5","3","1") = "8"
    & skf18("7","4","9","4","5","4","1") = "8"
    & skf18("7","4","9","4","5","5","1") = "8"
    & skf18("7","4","9","4","5","6","1") = "8"
    & skf18("7","4","9","4","5","7","1") = "8"
    & skf18("7","4","9","4","5","8","1") = "8"
    & skf18("7","4","9","4","5","9","1") = "8"
    & skf18("7","4","9","4","5","10","1") = "9"
    & skf18("7","4","9","4","6","1","1") = "8"
    & skf18("7","4","9","4","6","2","1") = "8"
    & skf18("7","4","9","4","6","3","1") = "8"
    & skf18("7","4","9","4","6","4","1") = "8"
    & skf18("7","4","9","4","6","5","1") = "8"
    & skf18("7","4","9","4","6","6","1") = "8"
    & skf18("7","4","9","4","6","7","1") = "8"
    & skf18("7","4","9","4","6","8","1") = "8"
    & skf18("7","4","9","4","6","9","1") = "8"
    & skf18("7","4","9","4","6","10","1") = "9"
    & skf18("7","4","9","4","7","1","1") = "8"
    & skf18("7","4","9","4","7","2","1") = "8"
    & skf18("7","4","9","4","7","3","1") = "8"
    & skf18("7","4","9","4","7","4","1") = "8"
    & skf18("7","4","9","4","7","5","1") = "8"
    & skf18("7","4","9","4","7","6","1") = "8"
    & skf18("7","4","9","4","7","7","1") = "8"
    & skf18("7","4","9","4","7","8","1") = "8"
    & skf18("7","4","9","4","7","9","1") = "8"
    & skf18("7","4","9","4","7","10","1") = "9"
    & skf18("7","4","9","4","8","1","1") = "8"
    & skf18("7","4","9","4","8","2","1") = "8"
    & skf18("7","4","9","4","8","3","1") = "8"
    & skf18("7","4","9","4","8","4","1") = "8"
    & skf18("7","4","9","4","8","5","1") = "8"
    & skf18("7","4","9","4","8","6","1") = "8"
    & skf18("7","4","9","4","8","7","1") = "8"
    & skf18("7","4","9","4","8","8","1") = "8"
    & skf18("7","4","9","4","8","9","1") = "8"
    & skf18("7","4","9","4","8","10","1") = "9"
    & skf18("7","4","9","4","9","1","1") = "8"
    & skf18("7","4","9","4","9","2","1") = "8"
    & skf18("7","4","9","4","9","3","1") = "8"
    & skf18("7","4","9","4","9","4","1") = "8"
    & skf18("7","4","9","4","9","5","1") = "8"
    & skf18("7","4","9","4","9","6","1") = "8"
    & skf18("7","4","9","4","9","7","1") = "8"
    & skf18("7","4","9","4","9","8","1") = "8"
    & skf18("7","4","9","4","9","9","1") = "8"
    & skf18("7","4","9","4","9","10","1") = "9"
    & skf18("7","4","9","4","10","1","1") = "9"
    & skf18("7","4","9","4","10","2","1") = "9"
    & skf18("7","4","9","4","10","3","1") = "9"
    & skf18("7","4","9","4","10","4","1") = "9"
    & skf18("7","4","9","4","10","5","1") = "9"
    & skf18("7","4","9","4","10","6","1") = "9"
    & skf18("7","4","9","4","10","7","1") = "9"
    & skf18("7","4","9","4","10","8","1") = "9"
    & skf18("7","4","9","4","10","9","1") = "9"
    & skf18("7","4","9","4","10","10","1") = "9"
    & skf18("7","4","9","5","1","1","1") = "8"
    & skf18("7","4","9","5","1","2","1") = "8"
    & skf18("7","4","9","5","1","3","1") = "8"
    & skf18("7","4","9","5","1","4","1") = "8"
    & skf18("7","4","9","5","1","5","1") = "8"
    & skf18("7","4","9","5","1","6","1") = "8"
    & skf18("7","4","9","5","1","7","1") = "8"
    & skf18("7","4","9","5","1","8","1") = "8"
    & skf18("7","4","9","5","1","9","1") = "8"
    & skf18("7","4","9","5","1","10","1") = "9"
    & skf18("7","4","9","5","2","1","1") = "8"
    & skf18("7","4","9","5","2","2","1") = "8"
    & skf18("7","4","9","5","2","3","1") = "8"
    & skf18("7","4","9","5","2","4","1") = "8"
    & skf18("7","4","9","5","2","5","1") = "8"
    & skf18("7","4","9","5","2","6","1") = "8"
    & skf18("7","4","9","5","2","7","1") = "8"
    & skf18("7","4","9","5","2","8","1") = "8"
    & skf18("7","4","9","5","2","9","1") = "8"
    & skf18("7","4","9","5","2","10","1") = "9"
    & skf18("7","4","9","5","3","1","1") = "8"
    & skf18("7","4","9","5","3","2","1") = "8"
    & skf18("7","4","9","5","3","3","1") = "8"
    & skf18("7","4","9","5","3","4","1") = "8"
    & skf18("7","4","9","5","3","5","1") = "8"
    & skf18("7","4","9","5","3","6","1") = "8"
    & skf18("7","4","9","5","3","7","1") = "8"
    & skf18("7","4","9","5","3","8","1") = "8"
    & skf18("7","4","9","5","3","9","1") = "8"
    & skf18("7","4","9","5","3","10","1") = "9"
    & skf18("7","4","9","5","4","1","1") = "8"
    & skf18("7","4","9","5","4","2","1") = "8"
    & skf18("7","4","9","5","4","3","1") = "8"
    & skf18("7","4","9","5","4","4","1") = "8"
    & skf18("7","4","9","5","4","5","1") = "8"
    & skf18("7","4","9","5","4","6","1") = "8"
    & skf18("7","4","9","5","4","7","1") = "8"
    & skf18("7","4","9","5","4","8","1") = "8"
    & skf18("7","4","9","5","4","9","1") = "8"
    & skf18("7","4","9","5","4","10","1") = "9"
    & skf18("7","4","9","5","5","1","1") = "8"
    & skf18("7","4","9","5","5","2","1") = "8"
    & skf18("7","4","9","5","5","3","1") = "8"
    & skf18("7","4","9","5","5","4","1") = "8"
    & skf18("7","4","9","5","5","5","1") = "8"
    & skf18("7","4","9","5","5","6","1") = "8"
    & skf18("7","4","9","5","5","7","1") = "8"
    & skf18("7","4","9","5","5","8","1") = "8"
    & skf18("7","4","9","5","5","9","1") = "8"
    & skf18("7","4","9","5","5","10","1") = "9"
    & skf18("7","4","9","5","6","1","1") = "8"
    & skf18("7","4","9","5","6","2","1") = "8"
    & skf18("7","4","9","5","6","3","1") = "8"
    & skf18("7","4","9","5","6","4","1") = "8"
    & skf18("7","4","9","5","6","5","1") = "8"
    & skf18("7","4","9","5","6","6","1") = "8"
    & skf18("7","4","9","5","6","7","1") = "8"
    & skf18("7","4","9","5","6","8","1") = "8"
    & skf18("7","4","9","5","6","9","1") = "8"
    & skf18("7","4","9","5","6","10","1") = "9"
    & skf18("7","4","9","5","7","1","1") = "8"
    & skf18("7","4","9","5","7","2","1") = "8"
    & skf18("7","4","9","5","7","3","1") = "8"
    & skf18("7","4","9","5","7","4","1") = "8"
    & skf18("7","4","9","5","7","5","1") = "8"
    & skf18("7","4","9","5","7","6","1") = "8"
    & skf18("7","4","9","5","7","7","1") = "8"
    & skf18("7","4","9","5","7","8","1") = "8"
    & skf18("7","4","9","5","7","9","1") = "8"
    & skf18("7","4","9","5","7","10","1") = "9"
    & skf18("7","4","9","5","8","1","1") = "8"
    & skf18("7","4","9","5","8","2","1") = "8"
    & skf18("7","4","9","5","8","3","1") = "8"
    & skf18("7","4","9","5","8","4","1") = "8"
    & skf18("7","4","9","5","8","5","1") = "8"
    & skf18("7","4","9","5","8","6","1") = "8"
    & skf18("7","4","9","5","8","7","1") = "8"
    & skf18("7","4","9","5","8","8","1") = "8"
    & skf18("7","4","9","5","8","9","1") = "8"
    & skf18("7","4","9","5","8","10","1") = "9"
    & skf18("7","4","9","5","9","1","1") = "8"
    & skf18("7","4","9","5","9","2","1") = "8"
    & skf18("7","4","9","5","9","3","1") = "8"
    & skf18("7","4","9","5","9","4","1") = "8"
    & skf18("7","4","9","5","9","5","1") = "8"
    & skf18("7","4","9","5","9","6","1") = "8"
    & skf18("7","4","9","5","9","7","1") = "8"
    & skf18("7","4","9","5","9","8","1") = "8"
    & skf18("7","4","9","5","9","9","1") = "8"
    & skf18("7","4","9","5","9","10","1") = "9"
    & skf18("7","4","9","5","10","1","1") = "9"
    & skf18("7","4","9","5","10","2","1") = "9"
    & skf18("7","4","9","5","10","3","1") = "9"
    & skf18("7","4","9","5","10","4","1") = "9"
    & skf18("7","4","9","5","10","5","1") = "9"
    & skf18("7","4","9","5","10","6","1") = "9"
    & skf18("7","4","9","5","10","7","1") = "9"
    & skf18("7","4","9","5","10","8","1") = "9"
    & skf18("7","4","9","5","10","9","1") = "9"
    & skf18("7","4","9","5","10","10","1") = "9"
    & skf18("7","4","9","6","1","1","1") = "8"
    & skf18("7","4","9","6","1","2","1") = "8"
    & skf18("7","4","9","6","1","3","1") = "8"
    & skf18("7","4","9","6","1","4","1") = "8"
    & skf18("7","4","9","6","1","5","1") = "8"
    & skf18("7","4","9","6","1","6","1") = "8"
    & skf18("7","4","9","6","1","7","1") = "8"
    & skf18("7","4","9","6","1","8","1") = "8"
    & skf18("7","4","9","6","1","9","1") = "8"
    & skf18("7","4","9","6","1","10","1") = "9"
    & skf18("7","4","9","6","2","1","1") = "8"
    & skf18("7","4","9","6","2","2","1") = "8"
    & skf18("7","4","9","6","2","3","1") = "8"
    & skf18("7","4","9","6","2","4","1") = "8"
    & skf18("7","4","9","6","2","5","1") = "8"
    & skf18("7","4","9","6","2","6","1") = "8"
    & skf18("7","4","9","6","2","7","1") = "8"
    & skf18("7","4","9","6","2","8","1") = "8"
    & skf18("7","4","9","6","2","9","1") = "8"
    & skf18("7","4","9","6","2","10","1") = "9"
    & skf18("7","4","9","6","3","1","1") = "8"
    & skf18("7","4","9","6","3","2","1") = "8"
    & skf18("7","4","9","6","3","3","1") = "8"
    & skf18("7","4","9","6","3","4","1") = "8"
    & skf18("7","4","9","6","3","5","1") = "8"
    & skf18("7","4","9","6","3","6","1") = "8"
    & skf18("7","4","9","6","3","7","1") = "8"
    & skf18("7","4","9","6","3","8","1") = "8"
    & skf18("7","4","9","6","3","9","1") = "8"
    & skf18("7","4","9","6","3","10","1") = "9"
    & skf18("7","4","9","6","4","1","1") = "8"
    & skf18("7","4","9","6","4","2","1") = "8"
    & skf18("7","4","9","6","4","3","1") = "8"
    & skf18("7","4","9","6","4","4","1") = "8"
    & skf18("7","4","9","6","4","5","1") = "8"
    & skf18("7","4","9","6","4","6","1") = "8"
    & skf18("7","4","9","6","4","7","1") = "8"
    & skf18("7","4","9","6","4","8","1") = "8"
    & skf18("7","4","9","6","4","9","1") = "8"
    & skf18("7","4","9","6","4","10","1") = "9"
    & skf18("7","4","9","6","5","1","1") = "8"
    & skf18("7","4","9","6","5","2","1") = "8"
    & skf18("7","4","9","6","5","3","1") = "8"
    & skf18("7","4","9","6","5","4","1") = "8"
    & skf18("7","4","9","6","5","5","1") = "8"
    & skf18("7","4","9","6","5","6","1") = "8"
    & skf18("7","4","9","6","5","7","1") = "8"
    & skf18("7","4","9","6","5","8","1") = "8"
    & skf18("7","4","9","6","5","9","1") = "8"
    & skf18("7","4","9","6","5","10","1") = "9"
    & skf18("7","4","9","6","6","1","1") = "8"
    & skf18("7","4","9","6","6","2","1") = "8"
    & skf18("7","4","9","6","6","3","1") = "8"
    & skf18("7","4","9","6","6","4","1") = "8"
    & skf18("7","4","9","6","6","5","1") = "8"
    & skf18("7","4","9","6","6","6","1") = "8"
    & skf18("7","4","9","6","6","7","1") = "8"
    & skf18("7","4","9","6","6","8","1") = "8"
    & skf18("7","4","9","6","6","9","1") = "8"
    & skf18("7","4","9","6","6","10","1") = "9"
    & skf18("7","4","9","6","7","1","1") = "8"
    & skf18("7","4","9","6","7","2","1") = "8"
    & skf18("7","4","9","6","7","3","1") = "8"
    & skf18("7","4","9","6","7","4","1") = "8"
    & skf18("7","4","9","6","7","5","1") = "8"
    & skf18("7","4","9","6","7","6","1") = "8"
    & skf18("7","4","9","6","7","7","1") = "8"
    & skf18("7","4","9","6","7","8","1") = "8"
    & skf18("7","4","9","6","7","9","1") = "8"
    & skf18("7","4","9","6","7","10","1") = "9"
    & skf18("7","4","9","6","8","1","1") = "8"
    & skf18("7","4","9","6","8","2","1") = "8"
    & skf18("7","4","9","6","8","3","1") = "8"
    & skf18("7","4","9","6","8","4","1") = "8"
    & skf18("7","4","9","6","8","5","1") = "8"
    & skf18("7","4","9","6","8","6","1") = "8"
    & skf18("7","4","9","6","8","7","1") = "8"
    & skf18("7","4","9","6","8","8","1") = "8"
    & skf18("7","4","9","6","8","9","1") = "8"
    & skf18("7","4","9","6","8","10","1") = "9"
    & skf18("7","4","9","6","9","1","1") = "8"
    & skf18("7","4","9","6","9","2","1") = "8"
    & skf18("7","4","9","6","9","3","1") = "8"
    & skf18("7","4","9","6","9","4","1") = "8"
    & skf18("7","4","9","6","9","5","1") = "8"
    & skf18("7","4","9","6","9","6","1") = "8"
    & skf18("7","4","9","6","9","7","1") = "8"
    & skf18("7","4","9","6","9","8","1") = "8"
    & skf18("7","4","9","6","9","9","1") = "8"
    & skf18("7","4","9","6","9","10","1") = "9"
    & skf18("7","4","9","6","10","1","1") = "9"
    & skf18("7","4","9","6","10","2","1") = "9"
    & skf18("7","4","9","6","10","3","1") = "9"
    & skf18("7","4","9","6","10","4","1") = "9"
    & skf18("7","4","9","6","10","5","1") = "9"
    & skf18("7","4","9","6","10","6","1") = "9"
    & skf18("7","4","9","6","10","7","1") = "9"
    & skf18("7","4","9","6","10","8","1") = "9"
    & skf18("7","4","9","6","10","9","1") = "9"
    & skf18("7","4","9","6","10","10","1") = "9"
    & skf18("7","4","9","7","1","1","1") = "8"
    & skf18("7","4","9","7","1","2","1") = "8"
    & skf18("7","4","9","7","1","3","1") = "8"
    & skf18("7","4","9","7","1","4","1") = "8"
    & skf18("7","4","9","7","1","5","1") = "8"
    & skf18("7","4","9","7","1","6","1") = "8"
    & skf18("7","4","9","7","1","7","1") = "8"
    & skf18("7","4","9","7","1","8","1") = "8"
    & skf18("7","4","9","7","1","9","1") = "8"
    & skf18("7","4","9","7","1","10","1") = "9"
    & skf18("7","4","9","7","2","1","1") = "8"
    & skf18("7","4","9","7","2","2","1") = "8"
    & skf18("7","4","9","7","2","3","1") = "8"
    & skf18("7","4","9","7","2","4","1") = "8"
    & skf18("7","4","9","7","2","5","1") = "8"
    & skf18("7","4","9","7","2","6","1") = "8"
    & skf18("7","4","9","7","2","7","1") = "8"
    & skf18("7","4","9","7","2","8","1") = "8"
    & skf18("7","4","9","7","2","9","1") = "8"
    & skf18("7","4","9","7","2","10","1") = "9"
    & skf18("7","4","9","7","3","1","1") = "8"
    & skf18("7","4","9","7","3","2","1") = "8"
    & skf18("7","4","9","7","3","3","1") = "8"
    & skf18("7","4","9","7","3","4","1") = "8"
    & skf18("7","4","9","7","3","5","1") = "8"
    & skf18("7","4","9","7","3","6","1") = "8"
    & skf18("7","4","9","7","3","7","1") = "8"
    & skf18("7","4","9","7","3","8","1") = "8"
    & skf18("7","4","9","7","3","9","1") = "8"
    & skf18("7","4","9","7","3","10","1") = "9"
    & skf18("7","4","9","7","4","1","1") = "8"
    & skf18("7","4","9","7","4","2","1") = "8"
    & skf18("7","4","9","7","4","3","1") = "8"
    & skf18("7","4","9","7","4","4","1") = "8"
    & skf18("7","4","9","7","4","5","1") = "8"
    & skf18("7","4","9","7","4","6","1") = "8"
    & skf18("7","4","9","7","4","7","1") = "8"
    & skf18("7","4","9","7","4","8","1") = "8"
    & skf18("7","4","9","7","4","9","1") = "8"
    & skf18("7","4","9","7","4","10","1") = "9"
    & skf18("7","4","9","7","5","1","1") = "8"
    & skf18("7","4","9","7","5","2","1") = "8"
    & skf18("7","4","9","7","5","3","1") = "8"
    & skf18("7","4","9","7","5","4","1") = "8"
    & skf18("7","4","9","7","5","5","1") = "8"
    & skf18("7","4","9","7","5","6","1") = "8"
    & skf18("7","4","9","7","5","7","1") = "8"
    & skf18("7","4","9","7","5","8","1") = "8"
    & skf18("7","4","9","7","5","9","1") = "8"
    & skf18("7","4","9","7","5","10","1") = "9"
    & skf18("7","4","9","7","6","1","1") = "8"
    & skf18("7","4","9","7","6","2","1") = "8"
    & skf18("7","4","9","7","6","3","1") = "8"
    & skf18("7","4","9","7","6","4","1") = "8"
    & skf18("7","4","9","7","6","5","1") = "8"
    & skf18("7","4","9","7","6","6","1") = "8"
    & skf18("7","4","9","7","6","7","1") = "8"
    & skf18("7","4","9","7","6","8","1") = "8"
    & skf18("7","4","9","7","6","9","1") = "8"
    & skf18("7","4","9","7","6","10","1") = "9"
    & skf18("7","4","9","7","7","1","1") = "8"
    & skf18("7","4","9","7","7","2","1") = "8"
    & skf18("7","4","9","7","7","3","1") = "8"
    & skf18("7","4","9","7","7","4","1") = "8"
    & skf18("7","4","9","7","7","5","1") = "8"
    & skf18("7","4","9","7","7","6","1") = "8"
    & skf18("7","4","9","7","7","7","1") = "8"
    & skf18("7","4","9","7","7","8","1") = "8"
    & skf18("7","4","9","7","7","9","1") = "8"
    & skf18("7","4","9","7","7","10","1") = "9"
    & skf18("7","4","9","7","8","1","1") = "8"
    & skf18("7","4","9","7","8","2","1") = "8"
    & skf18("7","4","9","7","8","3","1") = "8"
    & skf18("7","4","9","7","8","4","1") = "8"
    & skf18("7","4","9","7","8","5","1") = "8"
    & skf18("7","4","9","7","8","6","1") = "8"
    & skf18("7","4","9","7","8","7","1") = "8"
    & skf18("7","4","9","7","8","8","1") = "8"
    & skf18("7","4","9","7","8","9","1") = "8"
    & skf18("7","4","9","7","8","10","1") = "9"
    & skf18("7","4","9","7","9","1","1") = "8"
    & skf18("7","4","9","7","9","2","1") = "8"
    & skf18("7","4","9","7","9","3","1") = "8"
    & skf18("7","4","9","7","9","4","1") = "8"
    & skf18("7","4","9","7","9","5","1") = "8"
    & skf18("7","4","9","7","9","6","1") = "8"
    & skf18("7","4","9","7","9","7","1") = "8"
    & skf18("7","4","9","7","9","8","1") = "8"
    & skf18("7","4","9","7","9","9","1") = "8"
    & skf18("7","4","9","7","9","10","1") = "9"
    & skf18("7","4","9","7","10","1","1") = "9"
    & skf18("7","4","9","7","10","2","1") = "9"
    & skf18("7","4","9","7","10","3","1") = "9"
    & skf18("7","4","9","7","10","4","1") = "9"
    & skf18("7","4","9","7","10","5","1") = "9"
    & skf18("7","4","9","7","10","6","1") = "9"
    & skf18("7","4","9","7","10","7","1") = "9"
    & skf18("7","4","9","7","10","8","1") = "9"
    & skf18("7","4","9","7","10","9","1") = "9"
    & skf18("7","4","9","7","10","10","1") = "9"
    & skf18("7","4","9","8","1","1","1") = "8"
    & skf18("7","4","9","8","1","2","1") = "8"
    & skf18("7","4","9","8","1","3","1") = "8"
    & skf18("7","4","9","8","1","4","1") = "8"
    & skf18("7","4","9","8","1","5","1") = "8"
    & skf18("7","4","9","8","1","6","1") = "8"
    & skf18("7","4","9","8","1","7","1") = "8"
    & skf18("7","4","9","8","1","8","1") = "8"
    & skf18("7","4","9","8","1","9","1") = "8"
    & skf18("7","4","9","8","1","10","1") = "9"
    & skf18("7","4","9","8","2","1","1") = "8"
    & skf18("7","4","9","8","2","2","1") = "8"
    & skf18("7","4","9","8","2","3","1") = "8"
    & skf18("7","4","9","8","2","4","1") = "8"
    & skf18("7","4","9","8","2","5","1") = "8"
    & skf18("7","4","9","8","2","6","1") = "8"
    & skf18("7","4","9","8","2","7","1") = "8"
    & skf18("7","4","9","8","2","8","1") = "8"
    & skf18("7","4","9","8","2","9","1") = "8"
    & skf18("7","4","9","8","2","10","1") = "9"
    & skf18("7","4","9","8","3","1","1") = "8"
    & skf18("7","4","9","8","3","2","1") = "8"
    & skf18("7","4","9","8","3","3","1") = "8"
    & skf18("7","4","9","8","3","4","1") = "8"
    & skf18("7","4","9","8","3","5","1") = "8"
    & skf18("7","4","9","8","3","6","1") = "8"
    & skf18("7","4","9","8","3","7","1") = "8"
    & skf18("7","4","9","8","3","8","1") = "8"
    & skf18("7","4","9","8","3","9","1") = "8"
    & skf18("7","4","9","8","3","10","1") = "9"
    & skf18("7","4","9","8","4","1","1") = "8"
    & skf18("7","4","9","8","4","2","1") = "8"
    & skf18("7","4","9","8","4","3","1") = "8"
    & skf18("7","4","9","8","4","4","1") = "8"
    & skf18("7","4","9","8","4","5","1") = "8"
    & skf18("7","4","9","8","4","6","1") = "8"
    & skf18("7","4","9","8","4","7","1") = "8"
    & skf18("7","4","9","8","4","8","1") = "8"
    & skf18("7","4","9","8","4","9","1") = "8"
    & skf18("7","4","9","8","4","10","1") = "9"
    & skf18("7","4","9","8","5","1","1") = "8"
    & skf18("7","4","9","8","5","2","1") = "8"
    & skf18("7","4","9","8","5","3","1") = "8"
    & skf18("7","4","9","8","5","4","1") = "8"
    & skf18("7","4","9","8","5","5","1") = "8"
    & skf18("7","4","9","8","5","6","1") = "8"
    & skf18("7","4","9","8","5","7","1") = "8"
    & skf18("7","4","9","8","5","8","1") = "8"
    & skf18("7","4","9","8","5","9","1") = "8"
    & skf18("7","4","9","8","5","10","1") = "9"
    & skf18("7","4","9","8","6","1","1") = "8"
    & skf18("7","4","9","8","6","2","1") = "8"
    & skf18("7","4","9","8","6","3","1") = "8"
    & skf18("7","4","9","8","6","4","1") = "8"
    & skf18("7","4","9","8","6","5","1") = "8"
    & skf18("7","4","9","8","6","6","1") = "8"
    & skf18("7","4","9","8","6","7","1") = "8"
    & skf18("7","4","9","8","6","8","1") = "8"
    & skf18("7","4","9","8","6","9","1") = "8"
    & skf18("7","4","9","8","6","10","1") = "9"
    & skf18("7","4","9","8","7","1","1") = "8"
    & skf18("7","4","9","8","7","2","1") = "8"
    & skf18("7","4","9","8","7","3","1") = "8"
    & skf18("7","4","9","8","7","4","1") = "8"
    & skf18("7","4","9","8","7","5","1") = "8"
    & skf18("7","4","9","8","7","6","1") = "8"
    & skf18("7","4","9","8","7","7","1") = "8"
    & skf18("7","4","9","8","7","8","1") = "8"
    & skf18("7","4","9","8","7","9","1") = "8"
    & skf18("7","4","9","8","7","10","1") = "9"
    & skf18("7","4","9","8","8","1","1") = "8"
    & skf18("7","4","9","8","8","2","1") = "8"
    & skf18("7","4","9","8","8","3","1") = "8"
    & skf18("7","4","9","8","8","4","1") = "8"
    & skf18("7","4","9","8","8","5","1") = "8"
    & skf18("7","4","9","8","8","6","1") = "8"
    & skf18("7","4","9","8","8","7","1") = "8"
    & skf18("7","4","9","8","8","8","1") = "8"
    & skf18("7","4","9","8","8","9","1") = "8"
    & skf18("7","4","9","8","8","10","1") = "9"
    & skf18("7","4","9","8","9","1","1") = "8"
    & skf18("7","4","9","8","9","2","1") = "8"
    & skf18("7","4","9","8","9","3","1") = "8"
    & skf18("7","4","9","8","9","4","1") = "8"
    & skf18("7","4","9","8","9","5","1") = "8"
    & skf18("7","4","9","8","9","6","1") = "8"
    & skf18("7","4","9","8","9","7","1") = "8"
    & skf18("7","4","9","8","9","8","1") = "8"
    & skf18("7","4","9","8","9","9","1") = "8"
    & skf18("7","4","9","8","9","10","1") = "9"
    & skf18("7","4","9","8","10","1","1") = "9"
    & skf18("7","4","9","8","10","2","1") = "9"
    & skf18("7","4","9","8","10","3","1") = "9"
    & skf18("7","4","9","8","10","4","1") = "9"
    & skf18("7","4","9","8","10","5","1") = "9"
    & skf18("7","4","9","8","10","6","1") = "9"
    & skf18("7","4","9","8","10","7","1") = "9"
    & skf18("7","4","9","8","10","8","1") = "9"
    & skf18("7","4","9","8","10","9","1") = "9"
    & skf18("7","4","9","8","10","10","1") = "9"
    & skf18("7","4","9","9","1","1","1") = "8"
    & skf18("7","4","9","9","1","2","1") = "8"
    & skf18("7","4","9","9","1","3","1") = "8"
    & skf18("7","4","9","9","1","4","1") = "8"
    & skf18("7","4","9","9","1","5","1") = "8"
    & skf18("7","4","9","9","1","6","1") = "8"
    & skf18("7","4","9","9","1","7","1") = "8"
    & skf18("7","4","9","9","1","8","1") = "8"
    & skf18("7","4","9","9","1","9","1") = "8"
    & skf18("7","4","9","9","1","10","1") = "9"
    & skf18("7","4","9","9","2","1","1") = "8"
    & skf18("7","4","9","9","2","2","1") = "8"
    & skf18("7","4","9","9","2","3","1") = "8"
    & skf18("7","4","9","9","2","4","1") = "8"
    & skf18("7","4","9","9","2","5","1") = "8"
    & skf18("7","4","9","9","2","6","1") = "8"
    & skf18("7","4","9","9","2","7","1") = "8"
    & skf18("7","4","9","9","2","8","1") = "8"
    & skf18("7","4","9","9","2","9","1") = "8"
    & skf18("7","4","9","9","2","10","1") = "9"
    & skf18("7","4","9","9","3","1","1") = "8"
    & skf18("7","4","9","9","3","2","1") = "8"
    & skf18("7","4","9","9","3","3","1") = "8"
    & skf18("7","4","9","9","3","4","1") = "8"
    & skf18("7","4","9","9","3","5","1") = "8"
    & skf18("7","4","9","9","3","6","1") = "8"
    & skf18("7","4","9","9","3","7","1") = "8"
    & skf18("7","4","9","9","3","8","1") = "8"
    & skf18("7","4","9","9","3","9","1") = "8"
    & skf18("7","4","9","9","3","10","1") = "9"
    & skf18("7","4","9","9","4","1","1") = "8"
    & skf18("7","4","9","9","4","2","1") = "8"
    & skf18("7","4","9","9","4","3","1") = "8"
    & skf18("7","4","9","9","4","4","1") = "8"
    & skf18("7","4","9","9","4","5","1") = "8"
    & skf18("7","4","9","9","4","6","1") = "8"
    & skf18("7","4","9","9","4","7","1") = "8"
    & skf18("7","4","9","9","4","8","1") = "8"
    & skf18("7","4","9","9","4","9","1") = "8"
    & skf18("7","4","9","9","4","10","1") = "9"
    & skf18("7","4","9","9","5","1","1") = "8"
    & skf18("7","4","9","9","5","2","1") = "8"
    & skf18("7","4","9","9","5","3","1") = "8"
    & skf18("7","4","9","9","5","4","1") = "8"
    & skf18("7","4","9","9","5","5","1") = "8"
    & skf18("7","4","9","9","5","6","1") = "8"
    & skf18("7","4","9","9","5","7","1") = "8"
    & skf18("7","4","9","9","5","8","1") = "8"
    & skf18("7","4","9","9","5","9","1") = "8"
    & skf18("7","4","9","9","5","10","1") = "9"
    & skf18("7","4","9","9","6","1","1") = "8"
    & skf18("7","4","9","9","6","2","1") = "8"
    & skf18("7","4","9","9","6","3","1") = "8"
    & skf18("7","4","9","9","6","4","1") = "8"
    & skf18("7","4","9","9","6","5","1") = "8"
    & skf18("7","4","9","9","6","6","1") = "8"
    & skf18("7","4","9","9","6","7","1") = "8"
    & skf18("7","4","9","9","6","8","1") = "8"
    & skf18("7","4","9","9","6","9","1") = "8"
    & skf18("7","4","9","9","6","10","1") = "9"
    & skf18("7","4","9","9","7","1","1") = "8"
    & skf18("7","4","9","9","7","2","1") = "8"
    & skf18("7","4","9","9","7","3","1") = "8"
    & skf18("7","4","9","9","7","4","1") = "8"
    & skf18("7","4","9","9","7","5","1") = "8"
    & skf18("7","4","9","9","7","6","1") = "8"
    & skf18("7","4","9","9","7","7","1") = "8"
    & skf18("7","4","9","9","7","8","1") = "8"
    & skf18("7","4","9","9","7","9","1") = "8"
    & skf18("7","4","9","9","7","10","1") = "9"
    & skf18("7","4","9","9","8","1","1") = "8"
    & skf18("7","4","9","9","8","2","1") = "8"
    & skf18("7","4","9","9","8","3","1") = "8"
    & skf18("7","4","9","9","8","4","1") = "8"
    & skf18("7","4","9","9","8","5","1") = "8"
    & skf18("7","4","9","9","8","6","1") = "8"
    & skf18("7","4","9","9","8","7","1") = "8"
    & skf18("7","4","9","9","8","8","1") = "8"
    & skf18("7","4","9","9","8","9","1") = "8"
    & skf18("7","4","9","9","8","10","1") = "9"
    & skf18("7","4","9","9","9","1","1") = "8"
    & skf18("7","4","9","9","9","2","1") = "8"
    & skf18("7","4","9","9","9","3","1") = "8"
    & skf18("7","4","9","9","9","4","1") = "8"
    & skf18("7","4","9","9","9","5","1") = "8"
    & skf18("7","4","9","9","9","6","1") = "8"
    & skf18("7","4","9","9","9","7","1") = "8"
    & skf18("7","4","9","9","9","8","1") = "8"
    & skf18("7","4","9","9","9","9","1") = "8"
    & skf18("7","4","9","9","9","10","1") = "9"
    & skf18("7","4","9","9","10","1","1") = "9"
    & skf18("7","4","9","9","10","2","1") = "9"
    & skf18("7","4","9","9","10","3","1") = "9"
    & skf18("7","4","9","9","10","4","1") = "9"
    & skf18("7","4","9","9","10","5","1") = "9"
    & skf18("7","4","9","9","10","6","1") = "9"
    & skf18("7","4","9","9","10","7","1") = "9"
    & skf18("7","4","9","9","10","8","1") = "9"
    & skf18("7","4","9","9","10","9","1") = "9"
    & skf18("7","4","9","9","10","10","1") = "9"
    & skf18("7","4","9","10","1","1","1") = "9"
    & skf18("7","4","9","10","1","2","1") = "9"
    & skf18("7","4","9","10","1","3","1") = "9"
    & skf18("7","4","9","10","1","4","1") = "9"
    & skf18("7","4","9","10","1","5","1") = "9"
    & skf18("7","4","9","10","1","6","1") = "9"
    & skf18("7","4","9","10","1","7","1") = "9"
    & skf18("7","4","9","10","1","8","1") = "9"
    & skf18("7","4","9","10","1","9","1") = "9"
    & skf18("7","4","9","10","1","10","1") = "9"
    & skf18("7","4","9","10","2","1","1") = "9"
    & skf18("7","4","9","10","2","2","1") = "9"
    & skf18("7","4","9","10","2","3","1") = "9"
    & skf18("7","4","9","10","2","4","1") = "9"
    & skf18("7","4","9","10","2","5","1") = "9"
    & skf18("7","4","9","10","2","6","1") = "9"
    & skf18("7","4","9","10","2","7","1") = "9"
    & skf18("7","4","9","10","2","8","1") = "9"
    & skf18("7","4","9","10","2","9","1") = "9"
    & skf18("7","4","9","10","2","10","1") = "9"
    & skf18("7","4","9","10","3","1","1") = "9"
    & skf18("7","4","9","10","3","2","1") = "9"
    & skf18("7","4","9","10","3","3","1") = "9"
    & skf18("7","4","9","10","3","4","1") = "9"
    & skf18("7","4","9","10","3","5","1") = "9"
    & skf18("7","4","9","10","3","6","1") = "9"
    & skf18("7","4","9","10","3","7","1") = "9"
    & skf18("7","4","9","10","3","8","1") = "9"
    & skf18("7","4","9","10","3","9","1") = "9"
    & skf18("7","4","9","10","3","10","1") = "9"
    & skf18("7","4","9","10","4","1","1") = "9"
    & skf18("7","4","9","10","4","2","1") = "9"
    & skf18("7","4","9","10","4","3","1") = "9"
    & skf18("7","4","9","10","4","4","1") = "9"
    & skf18("7","4","9","10","4","5","1") = "9"
    & skf18("7","4","9","10","4","6","1") = "9"
    & skf18("7","4","9","10","4","7","1") = "9"
    & skf18("7","4","9","10","4","8","1") = "9"
    & skf18("7","4","9","10","4","9","1") = "9"
    & skf18("7","4","9","10","4","10","1") = "9"
    & skf18("7","4","9","10","5","1","1") = "9"
    & skf18("7","4","9","10","5","2","1") = "9"
    & skf18("7","4","9","10","5","3","1") = "9"
    & skf18("7","4","9","10","5","4","1") = "9"
    & skf18("7","4","9","10","5","5","1") = "9"
    & skf18("7","4","9","10","5","6","1") = "9"
    & skf18("7","4","9","10","5","7","1") = "9"
    & skf18("7","4","9","10","5","8","1") = "9"
    & skf18("7","4","9","10","5","9","1") = "9"
    & skf18("7","4","9","10","5","10","1") = "9"
    & skf18("7","4","9","10","6","1","1") = "9"
    & skf18("7","4","9","10","6","2","1") = "9"
    & skf18("7","4","9","10","6","3","1") = "9"
    & skf18("7","4","9","10","6","4","1") = "9"
    & skf18("7","4","9","10","6","5","1") = "9"
    & skf18("7","4","9","10","6","6","1") = "9"
    & skf18("7","4","9","10","6","7","1") = "9"
    & skf18("7","4","9","10","6","8","1") = "9"
    & skf18("7","4","9","10","6","9","1") = "9"
    & skf18("7","4","9","10","6","10","1") = "9"
    & skf18("7","4","9","10","7","1","1") = "9"
    & skf18("7","4","9","10","7","2","1") = "9"
    & skf18("7","4","9","10","7","3","1") = "9"
    & skf18("7","4","9","10","7","4","1") = "9"
    & skf18("7","4","9","10","7","5","1") = "9"
    & skf18("7","4","9","10","7","6","1") = "9"
    & skf18("7","4","9","10","7","7","1") = "9"
    & skf18("7","4","9","10","7","8","1") = "9"
    & skf18("7","4","9","10","7","9","1") = "9"
    & skf18("7","4","9","10","7","10","1") = "9"
    & skf18("7","4","9","10","8","1","1") = "9"
    & skf18("7","4","9","10","8","2","1") = "9"
    & skf18("7","4","9","10","8","3","1") = "9"
    & skf18("7","4","9","10","8","4","1") = "9"
    & skf18("7","4","9","10","8","5","1") = "9"
    & skf18("7","4","9","10","8","6","1") = "9"
    & skf18("7","4","9","10","8","7","1") = "9"
    & skf18("7","4","9","10","8","8","1") = "9"
    & skf18("7","4","9","10","8","9","1") = "9"
    & skf18("7","4","9","10","8","10","1") = "9"
    & skf18("7","4","9","10","9","1","1") = "9"
    & skf18("7","4","9","10","9","2","1") = "9"
    & skf18("7","4","9","10","9","3","1") = "9"
    & skf18("7","4","9","10","9","4","1") = "9"
    & skf18("7","4","9","10","9","5","1") = "9"
    & skf18("7","4","9","10","9","6","1") = "9"
    & skf18("7","4","9","10","9","7","1") = "9"
    & skf18("7","4","9","10","9","8","1") = "9"
    & skf18("7","4","9","10","9","9","1") = "9"
    & skf18("7","4","9","10","9","10","1") = "9"
    & skf18("7","4","9","10","10","1","1") = "9"
    & skf18("7","4","9","10","10","2","1") = "9"
    & skf18("7","4","9","10","10","3","1") = "9"
    & skf18("7","4","9","10","10","4","1") = "9"
    & skf18("7","4","9","10","10","5","1") = "9"
    & skf18("7","4","9","10","10","6","1") = "9"
    & skf18("7","4","9","10","10","7","1") = "9"
    & skf18("7","4","9","10","10","8","1") = "9"
    & skf18("7","4","9","10","10","9","1") = "9"
    & skf18("7","4","9","10","10","10","1") = "9"
    & skf18("7","4","10","1","1","1","1") = "9"
    & skf18("7","4","10","1","1","2","1") = "9"
    & skf18("7","4","10","1","1","3","1") = "9"
    & skf18("7","4","10","1","1","4","1") = "9"
    & skf18("7","4","10","1","1","5","1") = "9"
    & skf18("7","4","10","1","1","6","1") = "9"
    & skf18("7","4","10","1","1","7","1") = "9"
    & skf18("7","4","10","1","1","8","1") = "9"
    & skf18("7","4","10","1","1","9","1") = "9"
    & skf18("7","4","10","1","1","10","1") = "9"
    & skf18("7","4","10","1","2","1","1") = "9"
    & skf18("7","4","10","1","2","2","1") = "9"
    & skf18("7","4","10","1","2","3","1") = "9"
    & skf18("7","4","10","1","2","4","1") = "9"
    & skf18("7","4","10","1","2","5","1") = "9"
    & skf18("7","4","10","1","2","6","1") = "9"
    & skf18("7","4","10","1","2","7","1") = "9"
    & skf18("7","4","10","1","2","8","1") = "9"
    & skf18("7","4","10","1","2","9","1") = "9"
    & skf18("7","4","10","1","2","10","1") = "9"
    & skf18("7","4","10","1","3","1","1") = "9"
    & skf18("7","4","10","1","3","2","1") = "9"
    & skf18("7","4","10","1","3","3","1") = "9"
    & skf18("7","4","10","1","3","4","1") = "9"
    & skf18("7","4","10","1","3","5","1") = "9"
    & skf18("7","4","10","1","3","6","1") = "9"
    & skf18("7","4","10","1","3","7","1") = "9"
    & skf18("7","4","10","1","3","8","1") = "9"
    & skf18("7","4","10","1","3","9","1") = "9"
    & skf18("7","4","10","1","3","10","1") = "9"
    & skf18("7","4","10","1","4","1","1") = "9"
    & skf18("7","4","10","1","4","2","1") = "9"
    & skf18("7","4","10","1","4","3","1") = "9"
    & skf18("7","4","10","1","4","4","1") = "9"
    & skf18("7","4","10","1","4","5","1") = "9"
    & skf18("7","4","10","1","4","6","1") = "9"
    & skf18("7","4","10","1","4","7","1") = "9"
    & skf18("7","4","10","1","4","8","1") = "9"
    & skf18("7","4","10","1","4","9","1") = "9"
    & skf18("7","4","10","1","4","10","1") = "9"
    & skf18("7","4","10","1","5","1","1") = "9"
    & skf18("7","4","10","1","5","2","1") = "9"
    & skf18("7","4","10","1","5","3","1") = "9"
    & skf18("7","4","10","1","5","4","1") = "9"
    & skf18("7","4","10","1","5","5","1") = "9"
    & skf18("7","4","10","1","5","6","1") = "9"
    & skf18("7","4","10","1","5","7","1") = "9"
    & skf18("7","4","10","1","5","8","1") = "9"
    & skf18("7","4","10","1","5","9","1") = "9"
    & skf18("7","4","10","1","5","10","1") = "9"
    & skf18("7","4","10","1","6","1","1") = "9"
    & skf18("7","4","10","1","6","2","1") = "9"
    & skf18("7","4","10","1","6","3","1") = "9"
    & skf18("7","4","10","1","6","4","1") = "9"
    & skf18("7","4","10","1","6","5","1") = "9"
    & skf18("7","4","10","1","6","6","1") = "9"
    & skf18("7","4","10","1","6","7","1") = "9"
    & skf18("7","4","10","1","6","8","1") = "9"
    & skf18("7","4","10","1","6","9","1") = "9"
    & skf18("7","4","10","1","6","10","1") = "9"
    & skf18("7","4","10","1","7","1","1") = "9"
    & skf18("7","4","10","1","7","2","1") = "9"
    & skf18("7","4","10","1","7","3","1") = "9"
    & skf18("7","4","10","1","7","4","1") = "9"
    & skf18("7","4","10","1","7","5","1") = "9"
    & skf18("7","4","10","1","7","6","1") = "9"
    & skf18("7","4","10","1","7","7","1") = "9"
    & skf18("7","4","10","1","7","8","1") = "9"
    & skf18("7","4","10","1","7","9","1") = "9"
    & skf18("7","4","10","1","7","10","1") = "9"
    & skf18("7","4","10","1","8","1","1") = "9"
    & skf18("7","4","10","1","8","2","1") = "9"
    & skf18("7","4","10","1","8","3","1") = "9"
    & skf18("7","4","10","1","8","4","1") = "9"
    & skf18("7","4","10","1","8","5","1") = "9"
    & skf18("7","4","10","1","8","6","1") = "9"
    & skf18("7","4","10","1","8","7","1") = "9"
    & skf18("7","4","10","1","8","8","1") = "9"
    & skf18("7","4","10","1","8","9","1") = "9"
    & skf18("7","4","10","1","8","10","1") = "9"
    & skf18("7","4","10","1","9","1","1") = "9"
    & skf18("7","4","10","1","9","2","1") = "9"
    & skf18("7","4","10","1","9","3","1") = "9"
    & skf18("7","4","10","1","9","4","1") = "9"
    & skf18("7","4","10","1","9","5","1") = "9"
    & skf18("7","4","10","1","9","6","1") = "9"
    & skf18("7","4","10","1","9","7","1") = "9"
    & skf18("7","4","10","1","9","8","1") = "9"
    & skf18("7","4","10","1","9","9","1") = "9"
    & skf18("7","4","10","1","9","10","1") = "9"
    & skf18("7","4","10","1","10","1","1") = "9"
    & skf18("7","4","10","1","10","2","1") = "9"
    & skf18("7","4","10","1","10","3","1") = "9"
    & skf18("7","4","10","1","10","4","1") = "9"
    & skf18("7","4","10","1","10","5","1") = "9"
    & skf18("7","4","10","1","10","6","1") = "9"
    & skf18("7","4","10","1","10","7","1") = "9"
    & skf18("7","4","10","1","10","8","1") = "9"
    & skf18("7","4","10","1","10","9","1") = "9"
    & skf18("7","4","10","1","10","10","1") = "9"
    & skf18("7","4","10","2","1","1","1") = "9"
    & skf18("7","4","10","2","1","2","1") = "9"
    & skf18("7","4","10","2","1","3","1") = "9"
    & skf18("7","4","10","2","1","4","1") = "9"
    & skf18("7","4","10","2","1","5","1") = "9"
    & skf18("7","4","10","2","1","6","1") = "9"
    & skf18("7","4","10","2","1","7","1") = "9"
    & skf18("7","4","10","2","1","8","1") = "9"
    & skf18("7","4","10","2","1","9","1") = "9"
    & skf18("7","4","10","2","1","10","1") = "9"
    & skf18("7","4","10","2","2","1","1") = "9"
    & skf18("7","4","10","2","2","2","1") = "9"
    & skf18("7","4","10","2","2","3","1") = "9"
    & skf18("7","4","10","2","2","4","1") = "9"
    & skf18("7","4","10","2","2","5","1") = "9"
    & skf18("7","4","10","2","2","6","1") = "9"
    & skf18("7","4","10","2","2","7","1") = "9"
    & skf18("7","4","10","2","2","8","1") = "9"
    & skf18("7","4","10","2","2","9","1") = "9"
    & skf18("7","4","10","2","2","10","1") = "9"
    & skf18("7","4","10","2","3","1","1") = "9"
    & skf18("7","4","10","2","3","2","1") = "9"
    & skf18("7","4","10","2","3","3","1") = "9"
    & skf18("7","4","10","2","3","4","1") = "9"
    & skf18("7","4","10","2","3","5","1") = "9"
    & skf18("7","4","10","2","3","6","1") = "9"
    & skf18("7","4","10","2","3","7","1") = "9"
    & skf18("7","4","10","2","3","8","1") = "9"
    & skf18("7","4","10","2","3","9","1") = "9"
    & skf18("7","4","10","2","3","10","1") = "9"
    & skf18("7","4","10","2","4","1","1") = "9"
    & skf18("7","4","10","2","4","2","1") = "9"
    & skf18("7","4","10","2","4","3","1") = "9"
    & skf18("7","4","10","2","4","4","1") = "9"
    & skf18("7","4","10","2","4","5","1") = "9"
    & skf18("7","4","10","2","4","6","1") = "9"
    & skf18("7","4","10","2","4","7","1") = "9"
    & skf18("7","4","10","2","4","8","1") = "9"
    & skf18("7","4","10","2","4","9","1") = "9"
    & skf18("7","4","10","2","4","10","1") = "9"
    & skf18("7","4","10","2","5","1","1") = "9"
    & skf18("7","4","10","2","5","2","1") = "9"
    & skf18("7","4","10","2","5","3","1") = "9"
    & skf18("7","4","10","2","5","4","1") = "9"
    & skf18("7","4","10","2","5","5","1") = "9"
    & skf18("7","4","10","2","5","6","1") = "9"
    & skf18("7","4","10","2","5","7","1") = "9"
    & skf18("7","4","10","2","5","8","1") = "9"
    & skf18("7","4","10","2","5","9","1") = "9"
    & skf18("7","4","10","2","5","10","1") = "9"
    & skf18("7","4","10","2","6","1","1") = "9"
    & skf18("7","4","10","2","6","2","1") = "9"
    & skf18("7","4","10","2","6","3","1") = "9"
    & skf18("7","4","10","2","6","4","1") = "9"
    & skf18("7","4","10","2","6","5","1") = "9"
    & skf18("7","4","10","2","6","6","1") = "9"
    & skf18("7","4","10","2","6","7","1") = "9"
    & skf18("7","4","10","2","6","8","1") = "9"
    & skf18("7","4","10","2","6","9","1") = "9"
    & skf18("7","4","10","2","6","10","1") = "9"
    & skf18("7","4","10","2","7","1","1") = "9"
    & skf18("7","4","10","2","7","2","1") = "9"
    & skf18("7","4","10","2","7","3","1") = "9"
    & skf18("7","4","10","2","7","4","1") = "9"
    & skf18("7","4","10","2","7","5","1") = "9"
    & skf18("7","4","10","2","7","6","1") = "9"
    & skf18("7","4","10","2","7","7","1") = "9"
    & skf18("7","4","10","2","7","8","1") = "9"
    & skf18("7","4","10","2","7","9","1") = "9"
    & skf18("7","4","10","2","7","10","1") = "9"
    & skf18("7","4","10","2","8","1","1") = "9"
    & skf18("7","4","10","2","8","2","1") = "9"
    & skf18("7","4","10","2","8","3","1") = "9"
    & skf18("7","4","10","2","8","4","1") = "9"
    & skf18("7","4","10","2","8","5","1") = "9"
    & skf18("7","4","10","2","8","6","1") = "9"
    & skf18("7","4","10","2","8","7","1") = "9"
    & skf18("7","4","10","2","8","8","1") = "9"
    & skf18("7","4","10","2","8","9","1") = "9"
    & skf18("7","4","10","2","8","10","1") = "9"
    & skf18("7","4","10","2","9","1","1") = "9"
    & skf18("7","4","10","2","9","2","1") = "9"
    & skf18("7","4","10","2","9","3","1") = "9"
    & skf18("7","4","10","2","9","4","1") = "9"
    & skf18("7","4","10","2","9","5","1") = "9"
    & skf18("7","4","10","2","9","6","1") = "9"
    & skf18("7","4","10","2","9","7","1") = "9"
    & skf18("7","4","10","2","9","8","1") = "9"
    & skf18("7","4","10","2","9","9","1") = "9"
    & skf18("7","4","10","2","9","10","1") = "9"
    & skf18("7","4","10","2","10","1","1") = "9"
    & skf18("7","4","10","2","10","2","1") = "9"
    & skf18("7","4","10","2","10","3","1") = "9"
    & skf18("7","4","10","2","10","4","1") = "9"
    & skf18("7","4","10","2","10","5","1") = "9"
    & skf18("7","4","10","2","10","6","1") = "9"
    & skf18("7","4","10","2","10","7","1") = "9"
    & skf18("7","4","10","2","10","8","1") = "9"
    & skf18("7","4","10","2","10","9","1") = "9"
    & skf18("7","4","10","2","10","10","1") = "9"
    & skf18("7","4","10","3","1","1","1") = "9"
    & skf18("7","4","10","3","1","2","1") = "9"
    & skf18("7","4","10","3","1","3","1") = "9"
    & skf18("7","4","10","3","1","4","1") = "9"
    & skf18("7","4","10","3","1","5","1") = "9"
    & skf18("7","4","10","3","1","6","1") = "9"
    & skf18("7","4","10","3","1","7","1") = "9"
    & skf18("7","4","10","3","1","8","1") = "9"
    & skf18("7","4","10","3","1","9","1") = "9"
    & skf18("7","4","10","3","1","10","1") = "9"
    & skf18("7","4","10","3","2","1","1") = "9"
    & skf18("7","4","10","3","2","2","1") = "9"
    & skf18("7","4","10","3","2","3","1") = "9"
    & skf18("7","4","10","3","2","4","1") = "9"
    & skf18("7","4","10","3","2","5","1") = "9"
    & skf18("7","4","10","3","2","6","1") = "9"
    & skf18("7","4","10","3","2","7","1") = "9"
    & skf18("7","4","10","3","2","8","1") = "9"
    & skf18("7","4","10","3","2","9","1") = "9"
    & skf18("7","4","10","3","2","10","1") = "9"
    & skf18("7","4","10","3","3","1","1") = "9"
    & skf18("7","4","10","3","3","2","1") = "9"
    & skf18("7","4","10","3","3","3","1") = "9"
    & skf18("7","4","10","3","3","4","1") = "9"
    & skf18("7","4","10","3","3","5","1") = "9"
    & skf18("7","4","10","3","3","6","1") = "9"
    & skf18("7","4","10","3","3","7","1") = "9"
    & skf18("7","4","10","3","3","8","1") = "9"
    & skf18("7","4","10","3","3","9","1") = "9"
    & skf18("7","4","10","3","3","10","1") = "9"
    & skf18("7","4","10","3","4","1","1") = "9"
    & skf18("7","4","10","3","4","2","1") = "9"
    & skf18("7","4","10","3","4","3","1") = "9"
    & skf18("7","4","10","3","4","4","1") = "9"
    & skf18("7","4","10","3","4","5","1") = "9"
    & skf18("7","4","10","3","4","6","1") = "9"
    & skf18("7","4","10","3","4","7","1") = "9"
    & skf18("7","4","10","3","4","8","1") = "9"
    & skf18("7","4","10","3","4","9","1") = "9"
    & skf18("7","4","10","3","4","10","1") = "9"
    & skf18("7","4","10","3","5","1","1") = "9"
    & skf18("7","4","10","3","5","2","1") = "9"
    & skf18("7","4","10","3","5","3","1") = "9"
    & skf18("7","4","10","3","5","4","1") = "9"
    & skf18("7","4","10","3","5","5","1") = "9"
    & skf18("7","4","10","3","5","6","1") = "9"
    & skf18("7","4","10","3","5","7","1") = "9"
    & skf18("7","4","10","3","5","8","1") = "9"
    & skf18("7","4","10","3","5","9","1") = "9"
    & skf18("7","4","10","3","5","10","1") = "9"
    & skf18("7","4","10","3","6","1","1") = "9"
    & skf18("7","4","10","3","6","2","1") = "9"
    & skf18("7","4","10","3","6","3","1") = "9"
    & skf18("7","4","10","3","6","4","1") = "9"
    & skf18("7","4","10","3","6","5","1") = "9"
    & skf18("7","4","10","3","6","6","1") = "9"
    & skf18("7","4","10","3","6","7","1") = "9"
    & skf18("7","4","10","3","6","8","1") = "9"
    & skf18("7","4","10","3","6","9","1") = "9"
    & skf18("7","4","10","3","6","10","1") = "9"
    & skf18("7","4","10","3","7","1","1") = "9"
    & skf18("7","4","10","3","7","2","1") = "9"
    & skf18("7","4","10","3","7","3","1") = "9"
    & skf18("7","4","10","3","7","4","1") = "9"
    & skf18("7","4","10","3","7","5","1") = "9"
    & skf18("7","4","10","3","7","6","1") = "9"
    & skf18("7","4","10","3","7","7","1") = "9"
    & skf18("7","4","10","3","7","8","1") = "9"
    & skf18("7","4","10","3","7","9","1") = "9"
    & skf18("7","4","10","3","7","10","1") = "9"
    & skf18("7","4","10","3","8","1","1") = "9"
    & skf18("7","4","10","3","8","2","1") = "9"
    & skf18("7","4","10","3","8","3","1") = "9"
    & skf18("7","4","10","3","8","4","1") = "9"
    & skf18("7","4","10","3","8","5","1") = "9"
    & skf18("7","4","10","3","8","6","1") = "9"
    & skf18("7","4","10","3","8","7","1") = "9"
    & skf18("7","4","10","3","8","8","1") = "9"
    & skf18("7","4","10","3","8","9","1") = "9"
    & skf18("7","4","10","3","8","10","1") = "9"
    & skf18("7","4","10","3","9","1","1") = "9"
    & skf18("7","4","10","3","9","2","1") = "9"
    & skf18("7","4","10","3","9","3","1") = "9"
    & skf18("7","4","10","3","9","4","1") = "9"
    & skf18("7","4","10","3","9","5","1") = "9"
    & skf18("7","4","10","3","9","6","1") = "9"
    & skf18("7","4","10","3","9","7","1") = "9"
    & skf18("7","4","10","3","9","8","1") = "9"
    & skf18("7","4","10","3","9","9","1") = "9"
    & skf18("7","4","10","3","9","10","1") = "9"
    & skf18("7","4","10","3","10","1","1") = "9"
    & skf18("7","4","10","3","10","2","1") = "9"
    & skf18("7","4","10","3","10","3","1") = "9"
    & skf18("7","4","10","3","10","4","1") = "9"
    & skf18("7","4","10","3","10","5","1") = "9"
    & skf18("7","4","10","3","10","6","1") = "9"
    & skf18("7","4","10","3","10","7","1") = "9"
    & skf18("7","4","10","3","10","8","1") = "9"
    & skf18("7","4","10","3","10","9","1") = "9"
    & skf18("7","4","10","3","10","10","1") = "9"
    & skf18("7","4","10","4","1","1","1") = "9"
    & skf18("7","4","10","4","1","2","1") = "9"
    & skf18("7","4","10","4","1","3","1") = "9"
    & skf18("7","4","10","4","1","4","1") = "9"
    & skf18("7","4","10","4","1","5","1") = "9"
    & skf18("7","4","10","4","1","6","1") = "9"
    & skf18("7","4","10","4","1","7","1") = "9"
    & skf18("7","4","10","4","1","8","1") = "9"
    & skf18("7","4","10","4","1","9","1") = "9"
    & skf18("7","4","10","4","1","10","1") = "9"
    & skf18("7","4","10","4","2","1","1") = "9"
    & skf18("7","4","10","4","2","2","1") = "9"
    & skf18("7","4","10","4","2","3","1") = "9"
    & skf18("7","4","10","4","2","4","1") = "9"
    & skf18("7","4","10","4","2","5","1") = "9"
    & skf18("7","4","10","4","2","6","1") = "9"
    & skf18("7","4","10","4","2","7","1") = "9"
    & skf18("7","4","10","4","2","8","1") = "9"
    & skf18("7","4","10","4","2","9","1") = "9"
    & skf18("7","4","10","4","2","10","1") = "9"
    & skf18("7","4","10","4","3","1","1") = "9"
    & skf18("7","4","10","4","3","2","1") = "9"
    & skf18("7","4","10","4","3","3","1") = "9"
    & skf18("7","4","10","4","3","4","1") = "9"
    & skf18("7","4","10","4","3","5","1") = "9"
    & skf18("7","4","10","4","3","6","1") = "9"
    & skf18("7","4","10","4","3","7","1") = "9"
    & skf18("7","4","10","4","3","8","1") = "9"
    & skf18("7","4","10","4","3","9","1") = "9"
    & skf18("7","4","10","4","3","10","1") = "9"
    & skf18("7","4","10","4","4","1","1") = "9"
    & skf18("7","4","10","4","4","2","1") = "9"
    & skf18("7","4","10","4","4","3","1") = "9"
    & skf18("7","4","10","4","4","4","1") = "9"
    & skf18("7","4","10","4","4","5","1") = "9"
    & skf18("7","4","10","4","4","6","1") = "9"
    & skf18("7","4","10","4","4","7","1") = "9"
    & skf18("7","4","10","4","4","8","1") = "9"
    & skf18("7","4","10","4","4","9","1") = "9"
    & skf18("7","4","10","4","4","10","1") = "9"
    & skf18("7","4","10","4","5","1","1") = "9"
    & skf18("7","4","10","4","5","2","1") = "9"
    & skf18("7","4","10","4","5","3","1") = "9"
    & skf18("7","4","10","4","5","4","1") = "9"
    & skf18("7","4","10","4","5","5","1") = "9"
    & skf18("7","4","10","4","5","6","1") = "9"
    & skf18("7","4","10","4","5","7","1") = "9"
    & skf18("7","4","10","4","5","8","1") = "9"
    & skf18("7","4","10","4","5","9","1") = "9"
    & skf18("7","4","10","4","5","10","1") = "9"
    & skf18("7","4","10","4","6","1","1") = "9"
    & skf18("7","4","10","4","6","2","1") = "9"
    & skf18("7","4","10","4","6","3","1") = "9"
    & skf18("7","4","10","4","6","4","1") = "9"
    & skf18("7","4","10","4","6","5","1") = "9"
    & skf18("7","4","10","4","6","6","1") = "9"
    & skf18("7","4","10","4","6","7","1") = "9"
    & skf18("7","4","10","4","6","8","1") = "9"
    & skf18("7","4","10","4","6","9","1") = "9"
    & skf18("7","4","10","4","6","10","1") = "9"
    & skf18("7","4","10","4","7","1","1") = "9"
    & skf18("7","4","10","4","7","2","1") = "9"
    & skf18("7","4","10","4","7","3","1") = "9"
    & skf18("7","4","10","4","7","4","1") = "9"
    & skf18("7","4","10","4","7","5","1") = "9"
    & skf18("7","4","10","4","7","6","1") = "9"
    & skf18("7","4","10","4","7","7","1") = "9"
    & skf18("7","4","10","4","7","8","1") = "9"
    & skf18("7","4","10","4","7","9","1") = "9"
    & skf18("7","4","10","4","7","10","1") = "9"
    & skf18("7","4","10","4","8","1","1") = "9"
    & skf18("7","4","10","4","8","2","1") = "9"
    & skf18("7","4","10","4","8","3","1") = "9"
    & skf18("7","4","10","4","8","4","1") = "9"
    & skf18("7","4","10","4","8","5","1") = "9"
    & skf18("7","4","10","4","8","6","1") = "9"
    & skf18("7","4","10","4","8","7","1") = "9"
    & skf18("7","4","10","4","8","8","1") = "9"
    & skf18("7","4","10","4","8","9","1") = "9"
    & skf18("7","4","10","4","8","10","1") = "9"
    & skf18("7","4","10","4","9","1","1") = "9"
    & skf18("7","4","10","4","9","2","1") = "9"
    & skf18("7","4","10","4","9","3","1") = "9"
    & skf18("7","4","10","4","9","4","1") = "9"
    & skf18("7","4","10","4","9","5","1") = "9"
    & skf18("7","4","10","4","9","6","1") = "9"
    & skf18("7","4","10","4","9","7","1") = "9"
    & skf18("7","4","10","4","9","8","1") = "9"
    & skf18("7","4","10","4","9","9","1") = "9"
    & skf18("7","4","10","4","9","10","1") = "9"
    & skf18("7","4","10","4","10","1","1") = "9"
    & skf18("7","4","10","4","10","2","1") = "9"
    & skf18("7","4","10","4","10","3","1") = "9"
    & skf18("7","4","10","4","10","4","1") = "9"
    & skf18("7","4","10","4","10","5","1") = "9"
    & skf18("7","4","10","4","10","6","1") = "9"
    & skf18("7","4","10","4","10","7","1") = "9"
    & skf18("7","4","10","4","10","8","1") = "9"
    & skf18("7","4","10","4","10","9","1") = "9"
    & skf18("7","4","10","4","10","10","1") = "9"
    & skf18("7","4","10","5","1","1","1") = "9"
    & skf18("7","4","10","5","1","2","1") = "9"
    & skf18("7","4","10","5","1","3","1") = "9"
    & skf18("7","4","10","5","1","4","1") = "9"
    & skf18("7","4","10","5","1","5","1") = "9"
    & skf18("7","4","10","5","1","6","1") = "9"
    & skf18("7","4","10","5","1","7","1") = "9"
    & skf18("7","4","10","5","1","8","1") = "9"
    & skf18("7","4","10","5","1","9","1") = "9"
    & skf18("7","4","10","5","1","10","1") = "9"
    & skf18("7","4","10","5","2","1","1") = "9"
    & skf18("7","4","10","5","2","2","1") = "9"
    & skf18("7","4","10","5","2","3","1") = "9"
    & skf18("7","4","10","5","2","4","1") = "9"
    & skf18("7","4","10","5","2","5","1") = "9"
    & skf18("7","4","10","5","2","6","1") = "9"
    & skf18("7","4","10","5","2","7","1") = "9"
    & skf18("7","4","10","5","2","8","1") = "9"
    & skf18("7","4","10","5","2","9","1") = "9"
    & skf18("7","4","10","5","2","10","1") = "9"
    & skf18("7","4","10","5","3","1","1") = "9"
    & skf18("7","4","10","5","3","2","1") = "9"
    & skf18("7","4","10","5","3","3","1") = "9"
    & skf18("7","4","10","5","3","4","1") = "9"
    & skf18("7","4","10","5","3","5","1") = "9"
    & skf18("7","4","10","5","3","6","1") = "9"
    & skf18("7","4","10","5","3","7","1") = "9"
    & skf18("7","4","10","5","3","8","1") = "9"
    & skf18("7","4","10","5","3","9","1") = "9"
    & skf18("7","4","10","5","3","10","1") = "9"
    & skf18("7","4","10","5","4","1","1") = "9"
    & skf18("7","4","10","5","4","2","1") = "9"
    & skf18("7","4","10","5","4","3","1") = "9"
    & skf18("7","4","10","5","4","4","1") = "9"
    & skf18("7","4","10","5","4","5","1") = "9"
    & skf18("7","4","10","5","4","6","1") = "9"
    & skf18("7","4","10","5","4","7","1") = "9"
    & skf18("7","4","10","5","4","8","1") = "9"
    & skf18("7","4","10","5","4","9","1") = "9"
    & skf18("7","4","10","5","4","10","1") = "9"
    & skf18("7","4","10","5","5","1","1") = "9"
    & skf18("7","4","10","5","5","2","1") = "9"
    & skf18("7","4","10","5","5","3","1") = "9"
    & skf18("7","4","10","5","5","4","1") = "9"
    & skf18("7","4","10","5","5","5","1") = "9"
    & skf18("7","4","10","5","5","6","1") = "9"
    & skf18("7","4","10","5","5","7","1") = "9"
    & skf18("7","4","10","5","5","8","1") = "9"
    & skf18("7","4","10","5","5","9","1") = "9"
    & skf18("7","4","10","5","5","10","1") = "9"
    & skf18("7","4","10","5","6","1","1") = "9"
    & skf18("7","4","10","5","6","2","1") = "9"
    & skf18("7","4","10","5","6","3","1") = "9"
    & skf18("7","4","10","5","6","4","1") = "9"
    & skf18("7","4","10","5","6","5","1") = "9"
    & skf18("7","4","10","5","6","6","1") = "9"
    & skf18("7","4","10","5","6","7","1") = "9"
    & skf18("7","4","10","5","6","8","1") = "9"
    & skf18("7","4","10","5","6","9","1") = "9"
    & skf18("7","4","10","5","6","10","1") = "9"
    & skf18("7","4","10","5","7","1","1") = "9"
    & skf18("7","4","10","5","7","2","1") = "9"
    & skf18("7","4","10","5","7","3","1") = "9"
    & skf18("7","4","10","5","7","4","1") = "9"
    & skf18("7","4","10","5","7","5","1") = "9"
    & skf18("7","4","10","5","7","6","1") = "9"
    & skf18("7","4","10","5","7","7","1") = "9"
    & skf18("7","4","10","5","7","8","1") = "9"
    & skf18("7","4","10","5","7","9","1") = "9"
    & skf18("7","4","10","5","7","10","1") = "9"
    & skf18("7","4","10","5","8","1","1") = "9"
    & skf18("7","4","10","5","8","2","1") = "9"
    & skf18("7","4","10","5","8","3","1") = "9"
    & skf18("7","4","10","5","8","4","1") = "9"
    & skf18("7","4","10","5","8","5","1") = "9"
    & skf18("7","4","10","5","8","6","1") = "9"
    & skf18("7","4","10","5","8","7","1") = "9"
    & skf18("7","4","10","5","8","8","1") = "9"
    & skf18("7","4","10","5","8","9","1") = "9"
    & skf18("7","4","10","5","8","10","1") = "9"
    & skf18("7","4","10","5","9","1","1") = "9"
    & skf18("7","4","10","5","9","2","1") = "9"
    & skf18("7","4","10","5","9","3","1") = "9"
    & skf18("7","4","10","5","9","4","1") = "9"
    & skf18("7","4","10","5","9","5","1") = "9"
    & skf18("7","4","10","5","9","6","1") = "9"
    & skf18("7","4","10","5","9","7","1") = "9"
    & skf18("7","4","10","5","9","8","1") = "9"
    & skf18("7","4","10","5","9","9","1") = "9"
    & skf18("7","4","10","5","9","10","1") = "9"
    & skf18("7","4","10","5","10","1","1") = "9"
    & skf18("7","4","10","5","10","2","1") = "9"
    & skf18("7","4","10","5","10","3","1") = "9"
    & skf18("7","4","10","5","10","4","1") = "9"
    & skf18("7","4","10","5","10","5","1") = "9"
    & skf18("7","4","10","5","10","6","1") = "9"
    & skf18("7","4","10","5","10","7","1") = "9"
    & skf18("7","4","10","5","10","8","1") = "9"
    & skf18("7","4","10","5","10","9","1") = "9"
    & skf18("7","4","10","5","10","10","1") = "9"
    & skf18("7","4","10","6","1","1","1") = "9"
    & skf18("7","4","10","6","1","2","1") = "9"
    & skf18("7","4","10","6","1","3","1") = "9"
    & skf18("7","4","10","6","1","4","1") = "9"
    & skf18("7","4","10","6","1","5","1") = "9"
    & skf18("7","4","10","6","1","6","1") = "9"
    & skf18("7","4","10","6","1","7","1") = "9"
    & skf18("7","4","10","6","1","8","1") = "9"
    & skf18("7","4","10","6","1","9","1") = "9"
    & skf18("7","4","10","6","1","10","1") = "9"
    & skf18("7","4","10","6","2","1","1") = "9"
    & skf18("7","4","10","6","2","2","1") = "9"
    & skf18("7","4","10","6","2","3","1") = "9"
    & skf18("7","4","10","6","2","4","1") = "9"
    & skf18("7","4","10","6","2","5","1") = "9"
    & skf18("7","4","10","6","2","6","1") = "9"
    & skf18("7","4","10","6","2","7","1") = "9"
    & skf18("7","4","10","6","2","8","1") = "9"
    & skf18("7","4","10","6","2","9","1") = "9"
    & skf18("7","4","10","6","2","10","1") = "9"
    & skf18("7","4","10","6","3","1","1") = "9"
    & skf18("7","4","10","6","3","2","1") = "9"
    & skf18("7","4","10","6","3","3","1") = "9"
    & skf18("7","4","10","6","3","4","1") = "9"
    & skf18("7","4","10","6","3","5","1") = "9"
    & skf18("7","4","10","6","3","6","1") = "9"
    & skf18("7","4","10","6","3","7","1") = "9"
    & skf18("7","4","10","6","3","8","1") = "9"
    & skf18("7","4","10","6","3","9","1") = "9"
    & skf18("7","4","10","6","3","10","1") = "9"
    & skf18("7","4","10","6","4","1","1") = "9"
    & skf18("7","4","10","6","4","2","1") = "9"
    & skf18("7","4","10","6","4","3","1") = "9"
    & skf18("7","4","10","6","4","4","1") = "9"
    & skf18("7","4","10","6","4","5","1") = "9"
    & skf18("7","4","10","6","4","6","1") = "9"
    & skf18("7","4","10","6","4","7","1") = "9"
    & skf18("7","4","10","6","4","8","1") = "9"
    & skf18("7","4","10","6","4","9","1") = "9"
    & skf18("7","4","10","6","4","10","1") = "9"
    & skf18("7","4","10","6","5","1","1") = "9"
    & skf18("7","4","10","6","5","2","1") = "9"
    & skf18("7","4","10","6","5","3","1") = "9"
    & skf18("7","4","10","6","5","4","1") = "9"
    & skf18("7","4","10","6","5","5","1") = "9"
    & skf18("7","4","10","6","5","6","1") = "9"
    & skf18("7","4","10","6","5","7","1") = "9"
    & skf18("7","4","10","6","5","8","1") = "9"
    & skf18("7","4","10","6","5","9","1") = "9"
    & skf18("7","4","10","6","5","10","1") = "9"
    & skf18("7","4","10","6","6","1","1") = "9"
    & skf18("7","4","10","6","6","2","1") = "9"
    & skf18("7","4","10","6","6","3","1") = "9"
    & skf18("7","4","10","6","6","4","1") = "9"
    & skf18("7","4","10","6","6","5","1") = "9"
    & skf18("7","4","10","6","6","6","1") = "9"
    & skf18("7","4","10","6","6","7","1") = "9"
    & skf18("7","4","10","6","6","8","1") = "9"
    & skf18("7","4","10","6","6","9","1") = "9"
    & skf18("7","4","10","6","6","10","1") = "9"
    & skf18("7","4","10","6","7","1","1") = "9"
    & skf18("7","4","10","6","7","2","1") = "9"
    & skf18("7","4","10","6","7","3","1") = "9"
    & skf18("7","4","10","6","7","4","1") = "9"
    & skf18("7","4","10","6","7","5","1") = "9"
    & skf18("7","4","10","6","7","6","1") = "9"
    & skf18("7","4","10","6","7","7","1") = "9"
    & skf18("7","4","10","6","7","8","1") = "9"
    & skf18("7","4","10","6","7","9","1") = "9"
    & skf18("7","4","10","6","7","10","1") = "9"
    & skf18("7","4","10","6","8","1","1") = "9"
    & skf18("7","4","10","6","8","2","1") = "9"
    & skf18("7","4","10","6","8","3","1") = "9"
    & skf18("7","4","10","6","8","4","1") = "9"
    & skf18("7","4","10","6","8","5","1") = "9"
    & skf18("7","4","10","6","8","6","1") = "9"
    & skf18("7","4","10","6","8","7","1") = "9"
    & skf18("7","4","10","6","8","8","1") = "9"
    & skf18("7","4","10","6","8","9","1") = "9"
    & skf18("7","4","10","6","8","10","1") = "9"
    & skf18("7","4","10","6","9","1","1") = "9"
    & skf18("7","4","10","6","9","2","1") = "9"
    & skf18("7","4","10","6","9","3","1") = "9"
    & skf18("7","4","10","6","9","4","1") = "9"
    & skf18("7","4","10","6","9","5","1") = "9"
    & skf18("7","4","10","6","9","6","1") = "9"
    & skf18("7","4","10","6","9","7","1") = "9"
    & skf18("7","4","10","6","9","8","1") = "9"
    & skf18("7","4","10","6","9","9","1") = "9"
    & skf18("7","4","10","6","9","10","1") = "9"
    & skf18("7","4","10","6","10","1","1") = "9"
    & skf18("7","4","10","6","10","2","1") = "9"
    & skf18("7","4","10","6","10","3","1") = "9"
    & skf18("7","4","10","6","10","4","1") = "9"
    & skf18("7","4","10","6","10","5","1") = "9"
    & skf18("7","4","10","6","10","6","1") = "9"
    & skf18("7","4","10","6","10","7","1") = "9"
    & skf18("7","4","10","6","10","8","1") = "9"
    & skf18("7","4","10","6","10","9","1") = "9"
    & skf18("7","4","10","6","10","10","1") = "9"
    & skf18("7","4","10","7","1","1","1") = "9"
    & skf18("7","4","10","7","1","2","1") = "9"
    & skf18("7","4","10","7","1","3","1") = "9"
    & skf18("7","4","10","7","1","4","1") = "9"
    & skf18("7","4","10","7","1","5","1") = "9"
    & skf18("7","4","10","7","1","6","1") = "9"
    & skf18("7","4","10","7","1","7","1") = "9"
    & skf18("7","4","10","7","1","8","1") = "9"
    & skf18("7","4","10","7","1","9","1") = "9"
    & skf18("7","4","10","7","1","10","1") = "9"
    & skf18("7","4","10","7","2","1","1") = "9"
    & skf18("7","4","10","7","2","2","1") = "9"
    & skf18("7","4","10","7","2","3","1") = "9"
    & skf18("7","4","10","7","2","4","1") = "9"
    & skf18("7","4","10","7","2","5","1") = "9"
    & skf18("7","4","10","7","2","6","1") = "9"
    & skf18("7","4","10","7","2","7","1") = "9"
    & skf18("7","4","10","7","2","8","1") = "9"
    & skf18("7","4","10","7","2","9","1") = "9"
    & skf18("7","4","10","7","2","10","1") = "9"
    & skf18("7","4","10","7","3","1","1") = "9"
    & skf18("7","4","10","7","3","2","1") = "9"
    & skf18("7","4","10","7","3","3","1") = "9"
    & skf18("7","4","10","7","3","4","1") = "9"
    & skf18("7","4","10","7","3","5","1") = "9"
    & skf18("7","4","10","7","3","6","1") = "9"
    & skf18("7","4","10","7","3","7","1") = "9"
    & skf18("7","4","10","7","3","8","1") = "9"
    & skf18("7","4","10","7","3","9","1") = "9"
    & skf18("7","4","10","7","3","10","1") = "9"
    & skf18("7","4","10","7","4","1","1") = "9"
    & skf18("7","4","10","7","4","2","1") = "9"
    & skf18("7","4","10","7","4","3","1") = "9"
    & skf18("7","4","10","7","4","4","1") = "9"
    & skf18("7","4","10","7","4","5","1") = "9"
    & skf18("7","4","10","7","4","6","1") = "9"
    & skf18("7","4","10","7","4","7","1") = "9"
    & skf18("7","4","10","7","4","8","1") = "9"
    & skf18("7","4","10","7","4","9","1") = "9"
    & skf18("7","4","10","7","4","10","1") = "9"
    & skf18("7","4","10","7","5","1","1") = "9"
    & skf18("7","4","10","7","5","2","1") = "9"
    & skf18("7","4","10","7","5","3","1") = "9"
    & skf18("7","4","10","7","5","4","1") = "9"
    & skf18("7","4","10","7","5","5","1") = "9"
    & skf18("7","4","10","7","5","6","1") = "9"
    & skf18("7","4","10","7","5","7","1") = "9"
    & skf18("7","4","10","7","5","8","1") = "9"
    & skf18("7","4","10","7","5","9","1") = "9"
    & skf18("7","4","10","7","5","10","1") = "9"
    & skf18("7","4","10","7","6","1","1") = "9"
    & skf18("7","4","10","7","6","2","1") = "9"
    & skf18("7","4","10","7","6","3","1") = "9"
    & skf18("7","4","10","7","6","4","1") = "9"
    & skf18("7","4","10","7","6","5","1") = "9"
    & skf18("7","4","10","7","6","6","1") = "9"
    & skf18("7","4","10","7","6","7","1") = "9"
    & skf18("7","4","10","7","6","8","1") = "9"
    & skf18("7","4","10","7","6","9","1") = "9"
    & skf18("7","4","10","7","6","10","1") = "9"
    & skf18("7","4","10","7","7","1","1") = "9"
    & skf18("7","4","10","7","7","2","1") = "9"
    & skf18("7","4","10","7","7","3","1") = "9"
    & skf18("7","4","10","7","7","4","1") = "9"
    & skf18("7","4","10","7","7","5","1") = "9"
    & skf18("7","4","10","7","7","6","1") = "9"
    & skf18("7","4","10","7","7","7","1") = "9"
    & skf18("7","4","10","7","7","8","1") = "9"
    & skf18("7","4","10","7","7","9","1") = "9"
    & skf18("7","4","10","7","7","10","1") = "9"
    & skf18("7","4","10","7","8","1","1") = "9"
    & skf18("7","4","10","7","8","2","1") = "9"
    & skf18("7","4","10","7","8","3","1") = "9"
    & skf18("7","4","10","7","8","4","1") = "9"
    & skf18("7","4","10","7","8","5","1") = "9"
    & skf18("7","4","10","7","8","6","1") = "9"
    & skf18("7","4","10","7","8","7","1") = "9"
    & skf18("7","4","10","7","8","8","1") = "9"
    & skf18("7","4","10","7","8","9","1") = "9"
    & skf18("7","4","10","7","8","10","1") = "9"
    & skf18("7","4","10","7","9","1","1") = "9"
    & skf18("7","4","10","7","9","2","1") = "9"
    & skf18("7","4","10","7","9","3","1") = "9"
    & skf18("7","4","10","7","9","4","1") = "9"
    & skf18("7","4","10","7","9","5","1") = "9"
    & skf18("7","4","10","7","9","6","1") = "9"
    & skf18("7","4","10","7","9","7","1") = "9"
    & skf18("7","4","10","7","9","8","1") = "9"
    & skf18("7","4","10","7","9","9","1") = "9"
    & skf18("7","4","10","7","9","10","1") = "9"
    & skf18("7","4","10","7","10","1","1") = "9"
    & skf18("7","4","10","7","10","2","1") = "9"
    & skf18("7","4","10","7","10","3","1") = "9"
    & skf18("7","4","10","7","10","4","1") = "9"
    & skf18("7","4","10","7","10","5","1") = "9"
    & skf18("7","4","10","7","10","6","1") = "9"
    & skf18("7","4","10","7","10","7","1") = "9"
    & skf18("7","4","10","7","10","8","1") = "9"
    & skf18("7","4","10","7","10","9","1") = "9"
    & skf18("7","4","10","7","10","10","1") = "9"
    & skf18("7","4","10","8","1","1","1") = "9"
    & skf18("7","4","10","8","1","2","1") = "9"
    & skf18("7","4","10","8","1","3","1") = "9"
    & skf18("7","4","10","8","1","4","1") = "9"
    & skf18("7","4","10","8","1","5","1") = "9"
    & skf18("7","4","10","8","1","6","1") = "9"
    & skf18("7","4","10","8","1","7","1") = "9"
    & skf18("7","4","10","8","1","8","1") = "9"
    & skf18("7","4","10","8","1","9","1") = "9"
    & skf18("7","4","10","8","1","10","1") = "9"
    & skf18("7","4","10","8","2","1","1") = "9"
    & skf18("7","4","10","8","2","2","1") = "9"
    & skf18("7","4","10","8","2","3","1") = "9"
    & skf18("7","4","10","8","2","4","1") = "9"
    & skf18("7","4","10","8","2","5","1") = "9"
    & skf18("7","4","10","8","2","6","1") = "9"
    & skf18("7","4","10","8","2","7","1") = "9"
    & skf18("7","4","10","8","2","8","1") = "9"
    & skf18("7","4","10","8","2","9","1") = "9"
    & skf18("7","4","10","8","2","10","1") = "9"
    & skf18("7","4","10","8","3","1","1") = "9"
    & skf18("7","4","10","8","3","2","1") = "9"
    & skf18("7","4","10","8","3","3","1") = "9"
    & skf18("7","4","10","8","3","4","1") = "9"
    & skf18("7","4","10","8","3","5","1") = "9"
    & skf18("7","4","10","8","3","6","1") = "9"
    & skf18("7","4","10","8","3","7","1") = "9"
    & skf18("7","4","10","8","3","8","1") = "9"
    & skf18("7","4","10","8","3","9","1") = "9"
    & skf18("7","4","10","8","3","10","1") = "9"
    & skf18("7","4","10","8","4","1","1") = "9"
    & skf18("7","4","10","8","4","2","1") = "9"
    & skf18("7","4","10","8","4","3","1") = "9"
    & skf18("7","4","10","8","4","4","1") = "9"
    & skf18("7","4","10","8","4","5","1") = "9"
    & skf18("7","4","10","8","4","6","1") = "9"
    & skf18("7","4","10","8","4","7","1") = "9"
    & skf18("7","4","10","8","4","8","1") = "9"
    & skf18("7","4","10","8","4","9","1") = "9"
    & skf18("7","4","10","8","4","10","1") = "9"
    & skf18("7","4","10","8","5","1","1") = "9"
    & skf18("7","4","10","8","5","2","1") = "9"
    & skf18("7","4","10","8","5","3","1") = "9"
    & skf18("7","4","10","8","5","4","1") = "9"
    & skf18("7","4","10","8","5","5","1") = "9"
    & skf18("7","4","10","8","5","6","1") = "9"
    & skf18("7","4","10","8","5","7","1") = "9"
    & skf18("7","4","10","8","5","8","1") = "9"
    & skf18("7","4","10","8","5","9","1") = "9"
    & skf18("7","4","10","8","5","10","1") = "9"
    & skf18("7","4","10","8","6","1","1") = "9"
    & skf18("7","4","10","8","6","2","1") = "9"
    & skf18("7","4","10","8","6","3","1") = "9"
    & skf18("7","4","10","8","6","4","1") = "9"
    & skf18("7","4","10","8","6","5","1") = "9"
    & skf18("7","4","10","8","6","6","1") = "9"
    & skf18("7","4","10","8","6","7","1") = "9"
    & skf18("7","4","10","8","6","8","1") = "9"
    & skf18("7","4","10","8","6","9","1") = "9"
    & skf18("7","4","10","8","6","10","1") = "9"
    & skf18("7","4","10","8","7","1","1") = "9"
    & skf18("7","4","10","8","7","2","1") = "9"
    & skf18("7","4","10","8","7","3","1") = "9"
    & skf18("7","4","10","8","7","4","1") = "9"
    & skf18("7","4","10","8","7","5","1") = "9"
    & skf18("7","4","10","8","7","6","1") = "9"
    & skf18("7","4","10","8","7","7","1") = "9"
    & skf18("7","4","10","8","7","8","1") = "9"
    & skf18("7","4","10","8","7","9","1") = "9"
    & skf18("7","4","10","8","7","10","1") = "9"
    & skf18("7","4","10","8","8","1","1") = "9"
    & skf18("7","4","10","8","8","2","1") = "9"
    & skf18("7","4","10","8","8","3","1") = "9"
    & skf18("7","4","10","8","8","4","1") = "9"
    & skf18("7","4","10","8","8","5","1") = "9"
    & skf18("7","4","10","8","8","6","1") = "9"
    & skf18("7","4","10","8","8","7","1") = "9"
    & skf18("7","4","10","8","8","8","1") = "9"
    & skf18("7","4","10","8","8","9","1") = "9"
    & skf18("7","4","10","8","8","10","1") = "9"
    & skf18("7","4","10","8","9","1","1") = "9"
    & skf18("7","4","10","8","9","2","1") = "9"
    & skf18("7","4","10","8","9","3","1") = "9"
    & skf18("7","4","10","8","9","4","1") = "9"
    & skf18("7","4","10","8","9","5","1") = "9"
    & skf18("7","4","10","8","9","6","1") = "9"
    & skf18("7","4","10","8","9","7","1") = "9"
    & skf18("7","4","10","8","9","8","1") = "9"
    & skf18("7","4","10","8","9","9","1") = "9"
    & skf18("7","4","10","8","9","10","1") = "9"
    & skf18("7","4","10","8","10","1","1") = "9"
    & skf18("7","4","10","8","10","2","1") = "9"
    & skf18("7","4","10","8","10","3","1") = "9"
    & skf18("7","4","10","8","10","4","1") = "9"
    & skf18("7","4","10","8","10","5","1") = "9"
    & skf18("7","4","10","8","10","6","1") = "9"
    & skf18("7","4","10","8","10","7","1") = "9"
    & skf18("7","4","10","8","10","8","1") = "9"
    & skf18("7","4","10","8","10","9","1") = "9"
    & skf18("7","4","10","8","10","10","1") = "9"
    & skf18("7","4","10","9","1","1","1") = "9"
    & skf18("7","4","10","9","1","2","1") = "9"
    & skf18("7","4","10","9","1","3","1") = "9"
    & skf18("7","4","10","9","1","4","1") = "9"
    & skf18("7","4","10","9","1","5","1") = "9"
    & skf18("7","4","10","9","1","6","1") = "9"
    & skf18("7","4","10","9","1","7","1") = "9"
    & skf18("7","4","10","9","1","8","1") = "9"
    & skf18("7","4","10","9","1","9","1") = "9"
    & skf18("7","4","10","9","1","10","1") = "9"
    & skf18("7","4","10","9","2","1","1") = "9"
    & skf18("7","4","10","9","2","2","1") = "9"
    & skf18("7","4","10","9","2","3","1") = "9"
    & skf18("7","4","10","9","2","4","1") = "9"
    & skf18("7","4","10","9","2","5","1") = "9"
    & skf18("7","4","10","9","2","6","1") = "9"
    & skf18("7","4","10","9","2","7","1") = "9"
    & skf18("7","4","10","9","2","8","1") = "9"
    & skf18("7","4","10","9","2","9","1") = "9"
    & skf18("7","4","10","9","2","10","1") = "9"
    & skf18("7","4","10","9","3","1","1") = "9"
    & skf18("7","4","10","9","3","2","1") = "9"
    & skf18("7","4","10","9","3","3","1") = "9"
    & skf18("7","4","10","9","3","4","1") = "9"
    & skf18("7","4","10","9","3","5","1") = "9"
    & skf18("7","4","10","9","3","6","1") = "9"
    & skf18("7","4","10","9","3","7","1") = "9"
    & skf18("7","4","10","9","3","8","1") = "9"
    & skf18("7","4","10","9","3","9","1") = "9"
    & skf18("7","4","10","9","3","10","1") = "9"
    & skf18("7","4","10","9","4","1","1") = "9"
    & skf18("7","4","10","9","4","2","1") = "9"
    & skf18("7","4","10","9","4","3","1") = "9"
    & skf18("7","4","10","9","4","4","1") = "9"
    & skf18("7","4","10","9","4","5","1") = "9"
    & skf18("7","4","10","9","4","6","1") = "9"
    & skf18("7","4","10","9","4","7","1") = "9"
    & skf18("7","4","10","9","4","8","1") = "9"
    & skf18("7","4","10","9","4","9","1") = "9"
    & skf18("7","4","10","9","4","10","1") = "9"
    & skf18("7","4","10","9","5","1","1") = "9"
    & skf18("7","4","10","9","5","2","1") = "9"
    & skf18("7","4","10","9","5","3","1") = "9"
    & skf18("7","4","10","9","5","4","1") = "9"
    & skf18("7","4","10","9","5","5","1") = "9"
    & skf18("7","4","10","9","5","6","1") = "9"
    & skf18("7","4","10","9","5","7","1") = "9"
    & skf18("7","4","10","9","5","8","1") = "9"
    & skf18("7","4","10","9","5","9","1") = "9"
    & skf18("7","4","10","9","5","10","1") = "9"
    & skf18("7","4","10","9","6","1","1") = "9"
    & skf18("7","4","10","9","6","2","1") = "9"
    & skf18("7","4","10","9","6","3","1") = "9"
    & skf18("7","4","10","9","6","4","1") = "9"
    & skf18("7","4","10","9","6","5","1") = "9"
    & skf18("7","4","10","9","6","6","1") = "9"
    & skf18("7","4","10","9","6","7","1") = "9"
    & skf18("7","4","10","9","6","8","1") = "9"
    & skf18("7","4","10","9","6","9","1") = "9"
    & skf18("7","4","10","9","6","10","1") = "9"
    & skf18("7","4","10","9","7","1","1") = "9"
    & skf18("7","4","10","9","7","2","1") = "9"
    & skf18("7","4","10","9","7","3","1") = "9"
    & skf18("7","4","10","9","7","4","1") = "9"
    & skf18("7","4","10","9","7","5","1") = "9"
    & skf18("7","4","10","9","7","6","1") = "9"
    & skf18("7","4","10","9","7","7","1") = "9"
    & skf18("7","4","10","9","7","8","1") = "9"
    & skf18("7","4","10","9","7","9","1") = "9"
    & skf18("7","4","10","9","7","10","1") = "9"
    & skf18("7","4","10","9","8","1","1") = "9"
    & skf18("7","4","10","9","8","2","1") = "9"
    & skf18("7","4","10","9","8","3","1") = "9"
    & skf18("7","4","10","9","8","4","1") = "9"
    & skf18("7","4","10","9","8","5","1") = "9"
    & skf18("7","4","10","9","8","6","1") = "9"
    & skf18("7","4","10","9","8","7","1") = "9"
    & skf18("7","4","10","9","8","8","1") = "9"
    & skf18("7","4","10","9","8","9","1") = "9"
    & skf18("7","4","10","9","8","10","1") = "9"
    & skf18("7","4","10","9","9","1","1") = "9"
    & skf18("7","4","10","9","9","2","1") = "9"
    & skf18("7","4","10","9","9","3","1") = "9"
    & skf18("7","4","10","9","9","4","1") = "9"
    & skf18("7","4","10","9","9","5","1") = "9"
    & skf18("7","4","10","9","9","6","1") = "9"
    & skf18("7","4","10","9","9","7","1") = "9"
    & skf18("7","4","10","9","9","8","1") = "9"
    & skf18("7","4","10","9","9","9","1") = "9"
    & skf18("7","4","10","9","9","10","1") = "9"
    & skf18("7","4","10","9","10","1","1") = "9"
    & skf18("7","4","10","9","10","2","1") = "9"
    & skf18("7","4","10","9","10","3","1") = "9"
    & skf18("7","4","10","9","10","4","1") = "9"
    & skf18("7","4","10","9","10","5","1") = "9"
    & skf18("7","4","10","9","10","6","1") = "9"
    & skf18("7","4","10","9","10","7","1") = "9"
    & skf18("7","4","10","9","10","8","1") = "9"
    & skf18("7","4","10","9","10","9","1") = "9"
    & skf18("7","4","10","9","10","10","1") = "9"
    & skf18("7","4","10","10","1","1","1") = "9"
    & skf18("7","4","10","10","1","2","1") = "9"
    & skf18("7","4","10","10","1","3","1") = "9"
    & skf18("7","4","10","10","1","4","1") = "9"
    & skf18("7","4","10","10","1","5","1") = "9"
    & skf18("7","4","10","10","1","6","1") = "9"
    & skf18("7","4","10","10","1","7","1") = "9"
    & skf18("7","4","10","10","1","8","1") = "9"
    & skf18("7","4","10","10","1","9","1") = "9"
    & skf18("7","4","10","10","1","10","1") = "9"
    & skf18("7","4","10","10","2","1","1") = "9"
    & skf18("7","4","10","10","2","2","1") = "9"
    & skf18("7","4","10","10","2","3","1") = "9"
    & skf18("7","4","10","10","2","4","1") = "9"
    & skf18("7","4","10","10","2","5","1") = "9"
    & skf18("7","4","10","10","2","6","1") = "9"
    & skf18("7","4","10","10","2","7","1") = "9"
    & skf18("7","4","10","10","2","8","1") = "9"
    & skf18("7","4","10","10","2","9","1") = "9"
    & skf18("7","4","10","10","2","10","1") = "9"
    & skf18("7","4","10","10","3","1","1") = "9"
    & skf18("7","4","10","10","3","2","1") = "9"
    & skf18("7","4","10","10","3","3","1") = "9"
    & skf18("7","4","10","10","3","4","1") = "9"
    & skf18("7","4","10","10","3","5","1") = "9"
    & skf18("7","4","10","10","3","6","1") = "9"
    & skf18("7","4","10","10","3","7","1") = "9"
    & skf18("7","4","10","10","3","8","1") = "9"
    & skf18("7","4","10","10","3","9","1") = "9"
    & skf18("7","4","10","10","3","10","1") = "9"
    & skf18("7","4","10","10","4","1","1") = "9"
    & skf18("7","4","10","10","4","2","1") = "9"
    & skf18("7","4","10","10","4","3","1") = "9"
    & skf18("7","4","10","10","4","4","1") = "9"
    & skf18("7","4","10","10","4","5","1") = "9"
    & skf18("7","4","10","10","4","6","1") = "9"
    & skf18("7","4","10","10","4","7","1") = "9"
    & skf18("7","4","10","10","4","8","1") = "9"
    & skf18("7","4","10","10","4","9","1") = "9"
    & skf18("7","4","10","10","4","10","1") = "9"
    & skf18("7","4","10","10","5","1","1") = "9"
    & skf18("7","4","10","10","5","2","1") = "9"
    & skf18("7","4","10","10","5","3","1") = "9"
    & skf18("7","4","10","10","5","4","1") = "9"
    & skf18("7","4","10","10","5","5","1") = "9"
    & skf18("7","4","10","10","5","6","1") = "9"
    & skf18("7","4","10","10","5","7","1") = "9"
    & skf18("7","4","10","10","5","8","1") = "9"
    & skf18("7","4","10","10","5","9","1") = "9"
    & skf18("7","4","10","10","5","10","1") = "9"
    & skf18("7","4","10","10","6","1","1") = "9"
    & skf18("7","4","10","10","6","2","1") = "9"
    & skf18("7","4","10","10","6","3","1") = "9"
    & skf18("7","4","10","10","6","4","1") = "9"
    & skf18("7","4","10","10","6","5","1") = "9"
    & skf18("7","4","10","10","6","6","1") = "9"
    & skf18("7","4","10","10","6","7","1") = "9"
    & skf18("7","4","10","10","6","8","1") = "9"
    & skf18("7","4","10","10","6","9","1") = "9"
    & skf18("7","4","10","10","6","10","1") = "9"
    & skf18("7","4","10","10","7","1","1") = "9"
    & skf18("7","4","10","10","7","2","1") = "9"
    & skf18("7","4","10","10","7","3","1") = "9"
    & skf18("7","4","10","10","7","4","1") = "9"
    & skf18("7","4","10","10","7","5","1") = "9"
    & skf18("7","4","10","10","7","6","1") = "9"
    & skf18("7","4","10","10","7","7","1") = "9"
    & skf18("7","4","10","10","7","8","1") = "9"
    & skf18("7","4","10","10","7","9","1") = "9"
    & skf18("7","4","10","10","7","10","1") = "9"
    & skf18("7","4","10","10","8","1","1") = "9"
    & skf18("7","4","10","10","8","2","1") = "9"
    & skf18("7","4","10","10","8","3","1") = "9"
    & skf18("7","4","10","10","8","4","1") = "9"
    & skf18("7","4","10","10","8","5","1") = "9"
    & skf18("7","4","10","10","8","6","1") = "9"
    & skf18("7","4","10","10","8","7","1") = "9"
    & skf18("7","4","10","10","8","8","1") = "9"
    & skf18("7","4","10","10","8","9","1") = "9"
    & skf18("7","4","10","10","8","10","1") = "9"
    & skf18("7","4","10","10","9","1","1") = "9"
    & skf18("7","4","10","10","9","2","1") = "9"
    & skf18("7","4","10","10","9","3","1") = "9"
    & skf18("7","4","10","10","9","4","1") = "9"
    & skf18("7","4","10","10","9","5","1") = "9"
    & skf18("7","4","10","10","9","6","1") = "9"
    & skf18("7","4","10","10","9","7","1") = "9"
    & skf18("7","4","10","10","9","8","1") = "9"
    & skf18("7","4","10","10","9","9","1") = "9"
    & skf18("7","4","10","10","9","10","1") = "9"
    & skf18("7","4","10","10","10","1","1") = "9"
    & skf18("7","4","10","10","10","2","1") = "9"
    & skf18("7","4","10","10","10","3","1") = "9"
    & skf18("7","4","10","10","10","4","1") = "9"
    & skf18("7","4","10","10","10","5","1") = "9"
    & skf18("7","4","10","10","10","6","1") = "9"
    & skf18("7","4","10","10","10","7","1") = "9"
    & skf18("7","4","10","10","10","8","1") = "9"
    & skf18("7","4","10","10","10","9","1") = "9"
    & skf18("7","4","10","10","10","10","1") = "9"
    & skf18("7","5","1","1","1","1","1") = "6"
    & skf18("7","5","1","1","1","2","1") = "6"
    & skf18("7","5","1","1","1","3","1") = "6"
    & skf18("7","5","1","1","1","4","1") = "6"
    & skf18("7","5","1","1","1","5","1") = "6"
    & skf18("7","5","1","1","1","6","1") = "6"
    & skf18("7","5","1","1","1","7","1") = "6"
    & skf18("7","5","1","1","1","8","1") = "7"
    & skf18("7","5","1","1","1","9","1") = "8"
    & skf18("7","5","1","1","1","10","1") = "9"
    & skf18("7","5","1","1","2","1","1") = "6"
    & skf18("7","5","1","1","2","2","1") = "6"
    & skf18("7","5","1","1","2","3","1") = "6"
    & skf18("7","5","1","1","2","4","1") = "6"
    & skf18("7","5","1","1","2","5","1") = "6"
    & skf18("7","5","1","1","2","6","1") = "6"
    & skf18("7","5","1","1","2","7","1") = "6"
    & skf18("7","5","1","1","2","8","1") = "7"
    & skf18("7","5","1","1","2","9","1") = "8"
    & skf18("7","5","1","1","2","10","1") = "9"
    & skf18("7","5","1","1","3","1","1") = "6"
    & skf18("7","5","1","1","3","2","1") = "6"
    & skf18("7","5","1","1","3","3","1") = "6"
    & skf18("7","5","1","1","3","4","1") = "6"
    & skf18("7","5","1","1","3","5","1") = "6"
    & skf18("7","5","1","1","3","6","1") = "6"
    & skf18("7","5","1","1","3","7","1") = "6"
    & skf18("7","5","1","1","3","8","1") = "7"
    & skf18("7","5","1","1","3","9","1") = "8"
    & skf18("7","5","1","1","3","10","1") = "9"
    & skf18("7","5","1","1","4","1","1") = "6"
    & skf18("7","5","1","1","4","2","1") = "6"
    & skf18("7","5","1","1","4","3","1") = "6"
    & skf18("7","5","1","1","4","4","1") = "6"
    & skf18("7","5","1","1","4","5","1") = "6"
    & skf18("7","5","1","1","4","6","1") = "6"
    & skf18("7","5","1","1","4","7","1") = "6"
    & skf18("7","5","1","1","4","8","1") = "7"
    & skf18("7","5","1","1","4","9","1") = "8"
    & skf18("7","5","1","1","4","10","1") = "9"
    & skf18("7","5","1","1","5","1","1") = "6"
    & skf18("7","5","1","1","5","2","1") = "6"
    & skf18("7","5","1","1","5","3","1") = "6"
    & skf18("7","5","1","1","5","4","1") = "6"
    & skf18("7","5","1","1","5","5","1") = "6"
    & skf18("7","5","1","1","5","6","1") = "6"
    & skf18("7","5","1","1","5","7","1") = "6"
    & skf18("7","5","1","1","5","8","1") = "7"
    & skf18("7","5","1","1","5","9","1") = "8"
    & skf18("7","5","1","1","5","10","1") = "9"
    & skf18("7","5","1","1","6","1","1") = "6"
    & skf18("7","5","1","1","6","2","1") = "6"
    & skf18("7","5","1","1","6","3","1") = "6"
    & skf18("7","5","1","1","6","4","1") = "6"
    & skf18("7","5","1","1","6","5","1") = "6"
    & skf18("7","5","1","1","6","6","1") = "6"
    & skf18("7","5","1","1","6","7","1") = "6"
    & skf18("7","5","1","1","6","8","1") = "7"
    & skf18("7","5","1","1","6","9","1") = "8"
    & skf18("7","5","1","1","6","10","1") = "9"
    & skf18("7","5","1","1","7","1","1") = "6"
    & skf18("7","5","1","1","7","2","1") = "6"
    & skf18("7","5","1","1","7","3","1") = "6"
    & skf18("7","5","1","1","7","4","1") = "6"
    & skf18("7","5","1","1","7","5","1") = "6"
    & skf18("7","5","1","1","7","6","1") = "6"
    & skf18("7","5","1","1","7","7","1") = "6"
    & skf18("7","5","1","1","7","8","1") = "7"
    & skf18("7","5","1","1","7","9","1") = "8"
    & skf18("7","5","1","1","7","10","1") = "9"
    & skf18("7","5","1","1","8","1","1") = "7"
    & skf18("7","5","1","1","8","2","1") = "7"
    & skf18("7","5","1","1","8","3","1") = "7"
    & skf18("7","5","1","1","8","4","1") = "7"
    & skf18("7","5","1","1","8","5","1") = "7"
    & skf18("7","5","1","1","8","6","1") = "7"
    & skf18("7","5","1","1","8","7","1") = "7"
    & skf18("7","5","1","1","8","8","1") = "7"
    & skf18("7","5","1","1","8","9","1") = "8"
    & skf18("7","5","1","1","8","10","1") = "9"
    & skf18("7","5","1","1","9","1","1") = "8"
    & skf18("7","5","1","1","9","2","1") = "8"
    & skf18("7","5","1","1","9","3","1") = "8"
    & skf18("7","5","1","1","9","4","1") = "8"
    & skf18("7","5","1","1","9","5","1") = "8"
    & skf18("7","5","1","1","9","6","1") = "8"
    & skf18("7","5","1","1","9","7","1") = "8"
    & skf18("7","5","1","1","9","8","1") = "8"
    & skf18("7","5","1","1","9","9","1") = "8"
    & skf18("7","5","1","1","9","10","1") = "9"
    & skf18("7","5","1","1","10","1","1") = "9"
    & skf18("7","5","1","1","10","2","1") = "9"
    & skf18("7","5","1","1","10","3","1") = "9"
    & skf18("7","5","1","1","10","4","1") = "9"
    & skf18("7","5","1","1","10","5","1") = "9"
    & skf18("7","5","1","1","10","6","1") = "9"
    & skf18("7","5","1","1","10","7","1") = "9"
    & skf18("7","5","1","1","10","8","1") = "9"
    & skf18("7","5","1","1","10","9","1") = "9"
    & skf18("7","5","1","1","10","10","1") = "9"
    & skf18("7","5","1","2","1","1","1") = "6"
    & skf18("7","5","1","2","1","2","1") = "6"
    & skf18("7","5","1","2","1","3","1") = "6"
    & skf18("7","5","1","2","1","4","1") = "6"
    & skf18("7","5","1","2","1","5","1") = "6"
    & skf18("7","5","1","2","1","6","1") = "6"
    & skf18("7","5","1","2","1","7","1") = "6"
    & skf18("7","5","1","2","1","8","1") = "7"
    & skf18("7","5","1","2","1","9","1") = "8"
    & skf18("7","5","1","2","1","10","1") = "9"
    & skf18("7","5","1","2","2","1","1") = "6"
    & skf18("7","5","1","2","2","2","1") = "6"
    & skf18("7","5","1","2","2","3","1") = "6"
    & skf18("7","5","1","2","2","4","1") = "6"
    & skf18("7","5","1","2","2","5","1") = "6"
    & skf18("7","5","1","2","2","6","1") = "6"
    & skf18("7","5","1","2","2","7","1") = "6"
    & skf18("7","5","1","2","2","8","1") = "7"
    & skf18("7","5","1","2","2","9","1") = "8"
    & skf18("7","5","1","2","2","10","1") = "9"
    & skf18("7","5","1","2","3","1","1") = "6"
    & skf18("7","5","1","2","3","2","1") = "6"
    & skf18("7","5","1","2","3","3","1") = "6"
    & skf18("7","5","1","2","3","4","1") = "6"
    & skf18("7","5","1","2","3","5","1") = "6"
    & skf18("7","5","1","2","3","6","1") = "6"
    & skf18("7","5","1","2","3","7","1") = "6"
    & skf18("7","5","1","2","3","8","1") = "7"
    & skf18("7","5","1","2","3","9","1") = "8"
    & skf18("7","5","1","2","3","10","1") = "9"
    & skf18("7","5","1","2","4","1","1") = "6"
    & skf18("7","5","1","2","4","2","1") = "6"
    & skf18("7","5","1","2","4","3","1") = "6"
    & skf18("7","5","1","2","4","4","1") = "6"
    & skf18("7","5","1","2","4","5","1") = "6"
    & skf18("7","5","1","2","4","6","1") = "6"
    & skf18("7","5","1","2","4","7","1") = "6"
    & skf18("7","5","1","2","4","8","1") = "7"
    & skf18("7","5","1","2","4","9","1") = "8"
    & skf18("7","5","1","2","4","10","1") = "9"
    & skf18("7","5","1","2","5","1","1") = "6"
    & skf18("7","5","1","2","5","2","1") = "6"
    & skf18("7","5","1","2","5","3","1") = "6"
    & skf18("7","5","1","2","5","4","1") = "6"
    & skf18("7","5","1","2","5","5","1") = "6"
    & skf18("7","5","1","2","5","6","1") = "6"
    & skf18("7","5","1","2","5","7","1") = "6"
    & skf18("7","5","1","2","5","8","1") = "7"
    & skf18("7","5","1","2","5","9","1") = "8"
    & skf18("7","5","1","2","5","10","1") = "9"
    & skf18("7","5","1","2","6","1","1") = "6"
    & skf18("7","5","1","2","6","2","1") = "6"
    & skf18("7","5","1","2","6","3","1") = "6"
    & skf18("7","5","1","2","6","4","1") = "6"
    & skf18("7","5","1","2","6","5","1") = "6"
    & skf18("7","5","1","2","6","6","1") = "6"
    & skf18("7","5","1","2","6","7","1") = "6"
    & skf18("7","5","1","2","6","8","1") = "7"
    & skf18("7","5","1","2","6","9","1") = "8"
    & skf18("7","5","1","2","6","10","1") = "9"
    & skf18("7","5","1","2","7","1","1") = "6"
    & skf18("7","5","1","2","7","2","1") = "6"
    & skf18("7","5","1","2","7","3","1") = "6"
    & skf18("7","5","1","2","7","4","1") = "6"
    & skf18("7","5","1","2","7","5","1") = "6"
    & skf18("7","5","1","2","7","6","1") = "6"
    & skf18("7","5","1","2","7","7","1") = "6"
    & skf18("7","5","1","2","7","8","1") = "7"
    & skf18("7","5","1","2","7","9","1") = "8"
    & skf18("7","5","1","2","7","10","1") = "9"
    & skf18("7","5","1","2","8","1","1") = "7"
    & skf18("7","5","1","2","8","2","1") = "7"
    & skf18("7","5","1","2","8","3","1") = "7"
    & skf18("7","5","1","2","8","4","1") = "7"
    & skf18("7","5","1","2","8","5","1") = "7"
    & skf18("7","5","1","2","8","6","1") = "7"
    & skf18("7","5","1","2","8","7","1") = "7"
    & skf18("7","5","1","2","8","8","1") = "7"
    & skf18("7","5","1","2","8","9","1") = "8"
    & skf18("7","5","1","2","8","10","1") = "9"
    & skf18("7","5","1","2","9","1","1") = "8"
    & skf18("7","5","1","2","9","2","1") = "8"
    & skf18("7","5","1","2","9","3","1") = "8"
    & skf18("7","5","1","2","9","4","1") = "8"
    & skf18("7","5","1","2","9","5","1") = "8"
    & skf18("7","5","1","2","9","6","1") = "8"
    & skf18("7","5","1","2","9","7","1") = "8"
    & skf18("7","5","1","2","9","8","1") = "8"
    & skf18("7","5","1","2","9","9","1") = "8"
    & skf18("7","5","1","2","9","10","1") = "9"
    & skf18("7","5","1","2","10","1","1") = "9"
    & skf18("7","5","1","2","10","2","1") = "9"
    & skf18("7","5","1","2","10","3","1") = "9"
    & skf18("7","5","1","2","10","4","1") = "9"
    & skf18("7","5","1","2","10","5","1") = "9"
    & skf18("7","5","1","2","10","6","1") = "9"
    & skf18("7","5","1","2","10","7","1") = "9"
    & skf18("7","5","1","2","10","8","1") = "9"
    & skf18("7","5","1","2","10","9","1") = "9"
    & skf18("7","5","1","2","10","10","1") = "9"
    & skf18("7","5","1","3","1","1","1") = "6"
    & skf18("7","5","1","3","1","2","1") = "6"
    & skf18("7","5","1","3","1","3","1") = "6"
    & skf18("7","5","1","3","1","4","1") = "6"
    & skf18("7","5","1","3","1","5","1") = "6"
    & skf18("7","5","1","3","1","6","1") = "6"
    & skf18("7","5","1","3","1","7","1") = "6"
    & skf18("7","5","1","3","1","8","1") = "7"
    & skf18("7","5","1","3","1","9","1") = "8"
    & skf18("7","5","1","3","1","10","1") = "9"
    & skf18("7","5","1","3","2","1","1") = "6"
    & skf18("7","5","1","3","2","2","1") = "6"
    & skf18("7","5","1","3","2","3","1") = "6"
    & skf18("7","5","1","3","2","4","1") = "6"
    & skf18("7","5","1","3","2","5","1") = "6"
    & skf18("7","5","1","3","2","6","1") = "6"
    & skf18("7","5","1","3","2","7","1") = "6"
    & skf18("7","5","1","3","2","8","1") = "7"
    & skf18("7","5","1","3","2","9","1") = "8"
    & skf18("7","5","1","3","2","10","1") = "9"
    & skf18("7","5","1","3","3","1","1") = "6"
    & skf18("7","5","1","3","3","2","1") = "6"
    & skf18("7","5","1","3","3","3","1") = "6"
    & skf18("7","5","1","3","3","4","1") = "6"
    & skf18("7","5","1","3","3","5","1") = "6"
    & skf18("7","5","1","3","3","6","1") = "6"
    & skf18("7","5","1","3","3","7","1") = "6"
    & skf18("7","5","1","3","3","8","1") = "7"
    & skf18("7","5","1","3","3","9","1") = "8"
    & skf18("7","5","1","3","3","10","1") = "9"
    & skf18("7","5","1","3","4","1","1") = "6"
    & skf18("7","5","1","3","4","2","1") = "6"
    & skf18("7","5","1","3","4","3","1") = "6"
    & skf18("7","5","1","3","4","4","1") = "6"
    & skf18("7","5","1","3","4","5","1") = "6"
    & skf18("7","5","1","3","4","6","1") = "6"
    & skf18("7","5","1","3","4","7","1") = "6"
    & skf18("7","5","1","3","4","8","1") = "7"
    & skf18("7","5","1","3","4","9","1") = "8"
    & skf18("7","5","1","3","4","10","1") = "9"
    & skf18("7","5","1","3","5","1","1") = "6"
    & skf18("7","5","1","3","5","2","1") = "6"
    & skf18("7","5","1","3","5","3","1") = "6"
    & skf18("7","5","1","3","5","4","1") = "6"
    & skf18("7","5","1","3","5","5","1") = "6"
    & skf18("7","5","1","3","5","6","1") = "6"
    & skf18("7","5","1","3","5","7","1") = "6"
    & skf18("7","5","1","3","5","8","1") = "7"
    & skf18("7","5","1","3","5","9","1") = "8"
    & skf18("7","5","1","3","5","10","1") = "9"
    & skf18("7","5","1","3","6","1","1") = "6"
    & skf18("7","5","1","3","6","2","1") = "6"
    & skf18("7","5","1","3","6","3","1") = "6"
    & skf18("7","5","1","3","6","4","1") = "6"
    & skf18("7","5","1","3","6","5","1") = "6"
    & skf18("7","5","1","3","6","6","1") = "6"
    & skf18("7","5","1","3","6","7","1") = "6"
    & skf18("7","5","1","3","6","8","1") = "7"
    & skf18("7","5","1","3","6","9","1") = "8"
    & skf18("7","5","1","3","6","10","1") = "9"
    & skf18("7","5","1","3","7","1","1") = "6"
    & skf18("7","5","1","3","7","2","1") = "6"
    & skf18("7","5","1","3","7","3","1") = "6"
    & skf18("7","5","1","3","7","4","1") = "6"
    & skf18("7","5","1","3","7","5","1") = "6"
    & skf18("7","5","1","3","7","6","1") = "6"
    & skf18("7","5","1","3","7","7","1") = "6"
    & skf18("7","5","1","3","7","8","1") = "7"
    & skf18("7","5","1","3","7","9","1") = "8"
    & skf18("7","5","1","3","7","10","1") = "9"
    & skf18("7","5","1","3","8","1","1") = "7"
    & skf18("7","5","1","3","8","2","1") = "7"
    & skf18("7","5","1","3","8","3","1") = "7"
    & skf18("7","5","1","3","8","4","1") = "7"
    & skf18("7","5","1","3","8","5","1") = "7"
    & skf18("7","5","1","3","8","6","1") = "7"
    & skf18("7","5","1","3","8","7","1") = "7"
    & skf18("7","5","1","3","8","8","1") = "7"
    & skf18("7","5","1","3","8","9","1") = "8"
    & skf18("7","5","1","3","8","10","1") = "9"
    & skf18("7","5","1","3","9","1","1") = "8"
    & skf18("7","5","1","3","9","2","1") = "8"
    & skf18("7","5","1","3","9","3","1") = "8"
    & skf18("7","5","1","3","9","4","1") = "8"
    & skf18("7","5","1","3","9","5","1") = "8"
    & skf18("7","5","1","3","9","6","1") = "8"
    & skf18("7","5","1","3","9","7","1") = "8"
    & skf18("7","5","1","3","9","8","1") = "8"
    & skf18("7","5","1","3","9","9","1") = "8"
    & skf18("7","5","1","3","9","10","1") = "9"
    & skf18("7","5","1","3","10","1","1") = "9"
    & skf18("7","5","1","3","10","2","1") = "9"
    & skf18("7","5","1","3","10","3","1") = "9"
    & skf18("7","5","1","3","10","4","1") = "9"
    & skf18("7","5","1","3","10","5","1") = "9"
    & skf18("7","5","1","3","10","6","1") = "9"
    & skf18("7","5","1","3","10","7","1") = "9"
    & skf18("7","5","1","3","10","8","1") = "9"
    & skf18("7","5","1","3","10","9","1") = "9"
    & skf18("7","5","1","3","10","10","1") = "9"
    & skf18("7","5","1","4","1","1","1") = "6"
    & skf18("7","5","1","4","1","2","1") = "6"
    & skf18("7","5","1","4","1","3","1") = "6"
    & skf18("7","5","1","4","1","4","1") = "6"
    & skf18("7","5","1","4","1","5","1") = "6"
    & skf18("7","5","1","4","1","6","1") = "6"
    & skf18("7","5","1","4","1","7","1") = "6"
    & skf18("7","5","1","4","1","8","1") = "7"
    & skf18("7","5","1","4","1","9","1") = "8"
    & skf18("7","5","1","4","1","10","1") = "9"
    & skf18("7","5","1","4","2","1","1") = "6"
    & skf18("7","5","1","4","2","2","1") = "6"
    & skf18("7","5","1","4","2","3","1") = "6"
    & skf18("7","5","1","4","2","4","1") = "6"
    & skf18("7","5","1","4","2","5","1") = "6"
    & skf18("7","5","1","4","2","6","1") = "6"
    & skf18("7","5","1","4","2","7","1") = "6"
    & skf18("7","5","1","4","2","8","1") = "7"
    & skf18("7","5","1","4","2","9","1") = "8"
    & skf18("7","5","1","4","2","10","1") = "9"
    & skf18("7","5","1","4","3","1","1") = "6"
    & skf18("7","5","1","4","3","2","1") = "6"
    & skf18("7","5","1","4","3","3","1") = "6"
    & skf18("7","5","1","4","3","4","1") = "6"
    & skf18("7","5","1","4","3","5","1") = "6"
    & skf18("7","5","1","4","3","6","1") = "6"
    & skf18("7","5","1","4","3","7","1") = "6"
    & skf18("7","5","1","4","3","8","1") = "7"
    & skf18("7","5","1","4","3","9","1") = "8"
    & skf18("7","5","1","4","3","10","1") = "9"
    & skf18("7","5","1","4","4","1","1") = "6"
    & skf18("7","5","1","4","4","2","1") = "6"
    & skf18("7","5","1","4","4","3","1") = "6"
    & skf18("7","5","1","4","4","4","1") = "6"
    & skf18("7","5","1","4","4","5","1") = "6"
    & skf18("7","5","1","4","4","6","1") = "6"
    & skf18("7","5","1","4","4","7","1") = "6"
    & skf18("7","5","1","4","4","8","1") = "7"
    & skf18("7","5","1","4","4","9","1") = "8"
    & skf18("7","5","1","4","4","10","1") = "9"
    & skf18("7","5","1","4","5","1","1") = "6"
    & skf18("7","5","1","4","5","2","1") = "6"
    & skf18("7","5","1","4","5","3","1") = "6"
    & skf18("7","5","1","4","5","4","1") = "6"
    & skf18("7","5","1","4","5","5","1") = "6"
    & skf18("7","5","1","4","5","6","1") = "6"
    & skf18("7","5","1","4","5","7","1") = "6"
    & skf18("7","5","1","4","5","8","1") = "7"
    & skf18("7","5","1","4","5","9","1") = "8"
    & skf18("7","5","1","4","5","10","1") = "9"
    & skf18("7","5","1","4","6","1","1") = "6"
    & skf18("7","5","1","4","6","2","1") = "6"
    & skf18("7","5","1","4","6","3","1") = "6"
    & skf18("7","5","1","4","6","4","1") = "6"
    & skf18("7","5","1","4","6","5","1") = "6"
    & skf18("7","5","1","4","6","6","1") = "6"
    & skf18("7","5","1","4","6","7","1") = "6"
    & skf18("7","5","1","4","6","8","1") = "7"
    & skf18("7","5","1","4","6","9","1") = "8"
    & skf18("7","5","1","4","6","10","1") = "9"
    & skf18("7","5","1","4","7","1","1") = "6"
    & skf18("7","5","1","4","7","2","1") = "6"
    & skf18("7","5","1","4","7","3","1") = "6"
    & skf18("7","5","1","4","7","4","1") = "6"
    & skf18("7","5","1","4","7","5","1") = "6"
    & skf18("7","5","1","4","7","6","1") = "6"
    & skf18("7","5","1","4","7","7","1") = "6"
    & skf18("7","5","1","4","7","8","1") = "7"
    & skf18("7","5","1","4","7","9","1") = "8"
    & skf18("7","5","1","4","7","10","1") = "9"
    & skf18("7","5","1","4","8","1","1") = "7"
    & skf18("7","5","1","4","8","2","1") = "7"
    & skf18("7","5","1","4","8","3","1") = "7"
    & skf18("7","5","1","4","8","4","1") = "7"
    & skf18("7","5","1","4","8","5","1") = "7"
    & skf18("7","5","1","4","8","6","1") = "7"
    & skf18("7","5","1","4","8","7","1") = "7"
    & skf18("7","5","1","4","8","8","1") = "7"
    & skf18("7","5","1","4","8","9","1") = "8"
    & skf18("7","5","1","4","8","10","1") = "9"
    & skf18("7","5","1","4","9","1","1") = "8"
    & skf18("7","5","1","4","9","2","1") = "8"
    & skf18("7","5","1","4","9","3","1") = "8"
    & skf18("7","5","1","4","9","4","1") = "8"
    & skf18("7","5","1","4","9","5","1") = "8"
    & skf18("7","5","1","4","9","6","1") = "8"
    & skf18("7","5","1","4","9","7","1") = "8"
    & skf18("7","5","1","4","9","8","1") = "8"
    & skf18("7","5","1","4","9","9","1") = "8"
    & skf18("7","5","1","4","9","10","1") = "9"
    & skf18("7","5","1","4","10","1","1") = "9"
    & skf18("7","5","1","4","10","2","1") = "9"
    & skf18("7","5","1","4","10","3","1") = "9"
    & skf18("7","5","1","4","10","4","1") = "9"
    & skf18("7","5","1","4","10","5","1") = "9"
    & skf18("7","5","1","4","10","6","1") = "9"
    & skf18("7","5","1","4","10","7","1") = "9"
    & skf18("7","5","1","4","10","8","1") = "9"
    & skf18("7","5","1","4","10","9","1") = "9"
    & skf18("7","5","1","4","10","10","1") = "9"
    & skf18("7","5","1","5","1","1","1") = "6"
    & skf18("7","5","1","5","1","2","1") = "6"
    & skf18("7","5","1","5","1","3","1") = "6"
    & skf18("7","5","1","5","1","4","1") = "6"
    & skf18("7","5","1","5","1","5","1") = "6"
    & skf18("7","5","1","5","1","6","1") = "6"
    & skf18("7","5","1","5","1","7","1") = "6"
    & skf18("7","5","1","5","1","8","1") = "7"
    & skf18("7","5","1","5","1","9","1") = "8"
    & skf18("7","5","1","5","1","10","1") = "9"
    & skf18("7","5","1","5","2","1","1") = "6"
    & skf18("7","5","1","5","2","2","1") = "6"
    & skf18("7","5","1","5","2","3","1") = "6"
    & skf18("7","5","1","5","2","4","1") = "6"
    & skf18("7","5","1","5","2","5","1") = "6"
    & skf18("7","5","1","5","2","6","1") = "6"
    & skf18("7","5","1","5","2","7","1") = "6"
    & skf18("7","5","1","5","2","8","1") = "7"
    & skf18("7","5","1","5","2","9","1") = "8"
    & skf18("7","5","1","5","2","10","1") = "9"
    & skf18("7","5","1","5","3","1","1") = "6"
    & skf18("7","5","1","5","3","2","1") = "6"
    & skf18("7","5","1","5","3","3","1") = "6"
    & skf18("7","5","1","5","3","4","1") = "6"
    & skf18("7","5","1","5","3","5","1") = "6"
    & skf18("7","5","1","5","3","6","1") = "6"
    & skf18("7","5","1","5","3","7","1") = "6"
    & skf18("7","5","1","5","3","8","1") = "7"
    & skf18("7","5","1","5","3","9","1") = "8"
    & skf18("7","5","1","5","3","10","1") = "9"
    & skf18("7","5","1","5","4","1","1") = "6"
    & skf18("7","5","1","5","4","2","1") = "6"
    & skf18("7","5","1","5","4","3","1") = "6"
    & skf18("7","5","1","5","4","4","1") = "6"
    & skf18("7","5","1","5","4","5","1") = "6"
    & skf18("7","5","1","5","4","6","1") = "6"
    & skf18("7","5","1","5","4","7","1") = "6"
    & skf18("7","5","1","5","4","8","1") = "7"
    & skf18("7","5","1","5","4","9","1") = "8"
    & skf18("7","5","1","5","4","10","1") = "9"
    & skf18("7","5","1","5","5","1","1") = "6"
    & skf18("7","5","1","5","5","2","1") = "6"
    & skf18("7","5","1","5","5","3","1") = "6"
    & skf18("7","5","1","5","5","4","1") = "6"
    & skf18("7","5","1","5","5","5","1") = "6"
    & skf18("7","5","1","5","5","6","1") = "6"
    & skf18("7","5","1","5","5","7","1") = "6"
    & skf18("7","5","1","5","5","8","1") = "7"
    & skf18("7","5","1","5","5","9","1") = "8"
    & skf18("7","5","1","5","5","10","1") = "9"
    & skf18("7","5","1","5","6","1","1") = "6"
    & skf18("7","5","1","5","6","2","1") = "6"
    & skf18("7","5","1","5","6","3","1") = "6"
    & skf18("7","5","1","5","6","4","1") = "6"
    & skf18("7","5","1","5","6","5","1") = "6"
    & skf18("7","5","1","5","6","6","1") = "6"
    & skf18("7","5","1","5","6","7","1") = "6"
    & skf18("7","5","1","5","6","8","1") = "7"
    & skf18("7","5","1","5","6","9","1") = "8"
    & skf18("7","5","1","5","6","10","1") = "9"
    & skf18("7","5","1","5","7","1","1") = "6"
    & skf18("7","5","1","5","7","2","1") = "6"
    & skf18("7","5","1","5","7","3","1") = "6"
    & skf18("7","5","1","5","7","4","1") = "6"
    & skf18("7","5","1","5","7","5","1") = "6"
    & skf18("7","5","1","5","7","6","1") = "6"
    & skf18("7","5","1","5","7","7","1") = "6"
    & skf18("7","5","1","5","7","8","1") = "7"
    & skf18("7","5","1","5","7","9","1") = "8"
    & skf18("7","5","1","5","7","10","1") = "9"
    & skf18("7","5","1","5","8","1","1") = "7"
    & skf18("7","5","1","5","8","2","1") = "7"
    & skf18("7","5","1","5","8","3","1") = "7"
    & skf18("7","5","1","5","8","4","1") = "7"
    & skf18("7","5","1","5","8","5","1") = "7"
    & skf18("7","5","1","5","8","6","1") = "7"
    & skf18("7","5","1","5","8","7","1") = "7"
    & skf18("7","5","1","5","8","8","1") = "7"
    & skf18("7","5","1","5","8","9","1") = "8"
    & skf18("7","5","1","5","8","10","1") = "9"
    & skf18("7","5","1","5","9","1","1") = "8"
    & skf18("7","5","1","5","9","2","1") = "8"
    & skf18("7","5","1","5","9","3","1") = "8"
    & skf18("7","5","1","5","9","4","1") = "8"
    & skf18("7","5","1","5","9","5","1") = "8"
    & skf18("7","5","1","5","9","6","1") = "8"
    & skf18("7","5","1","5","9","7","1") = "8"
    & skf18("7","5","1","5","9","8","1") = "8"
    & skf18("7","5","1","5","9","9","1") = "8"
    & skf18("7","5","1","5","9","10","1") = "9"
    & skf18("7","5","1","5","10","1","1") = "9"
    & skf18("7","5","1","5","10","2","1") = "9"
    & skf18("7","5","1","5","10","3","1") = "9"
    & skf18("7","5","1","5","10","4","1") = "9"
    & skf18("7","5","1","5","10","5","1") = "9"
    & skf18("7","5","1","5","10","6","1") = "9"
    & skf18("7","5","1","5","10","7","1") = "9"
    & skf18("7","5","1","5","10","8","1") = "9"
    & skf18("7","5","1","5","10","9","1") = "9"
    & skf18("7","5","1","5","10","10","1") = "9"
    & skf18("7","5","1","6","1","1","1") = "6"
    & skf18("7","5","1","6","1","2","1") = "6"
    & skf18("7","5","1","6","1","3","1") = "6"
    & skf18("7","5","1","6","1","4","1") = "6"
    & skf18("7","5","1","6","1","5","1") = "6"
    & skf18("7","5","1","6","1","6","1") = "6"
    & skf18("7","5","1","6","1","7","1") = "6"
    & skf18("7","5","1","6","1","8","1") = "7"
    & skf18("7","5","1","6","1","9","1") = "8"
    & skf18("7","5","1","6","1","10","1") = "9"
    & skf18("7","5","1","6","2","1","1") = "6"
    & skf18("7","5","1","6","2","2","1") = "6"
    & skf18("7","5","1","6","2","3","1") = "6"
    & skf18("7","5","1","6","2","4","1") = "6"
    & skf18("7","5","1","6","2","5","1") = "6"
    & skf18("7","5","1","6","2","6","1") = "6"
    & skf18("7","5","1","6","2","7","1") = "6"
    & skf18("7","5","1","6","2","8","1") = "7"
    & skf18("7","5","1","6","2","9","1") = "8"
    & skf18("7","5","1","6","2","10","1") = "9"
    & skf18("7","5","1","6","3","1","1") = "6"
    & skf18("7","5","1","6","3","2","1") = "6"
    & skf18("7","5","1","6","3","3","1") = "6"
    & skf18("7","5","1","6","3","4","1") = "6"
    & skf18("7","5","1","6","3","5","1") = "6"
    & skf18("7","5","1","6","3","6","1") = "6"
    & skf18("7","5","1","6","3","7","1") = "6"
    & skf18("7","5","1","6","3","8","1") = "7"
    & skf18("7","5","1","6","3","9","1") = "8"
    & skf18("7","5","1","6","3","10","1") = "9"
    & skf18("7","5","1","6","4","1","1") = "6"
    & skf18("7","5","1","6","4","2","1") = "6"
    & skf18("7","5","1","6","4","3","1") = "6"
    & skf18("7","5","1","6","4","4","1") = "6"
    & skf18("7","5","1","6","4","5","1") = "6"
    & skf18("7","5","1","6","4","6","1") = "6"
    & skf18("7","5","1","6","4","7","1") = "6"
    & skf18("7","5","1","6","4","8","1") = "7"
    & skf18("7","5","1","6","4","9","1") = "8"
    & skf18("7","5","1","6","4","10","1") = "9"
    & skf18("7","5","1","6","5","1","1") = "6"
    & skf18("7","5","1","6","5","2","1") = "6"
    & skf18("7","5","1","6","5","3","1") = "6"
    & skf18("7","5","1","6","5","4","1") = "6"
    & skf18("7","5","1","6","5","5","1") = "6"
    & skf18("7","5","1","6","5","6","1") = "6"
    & skf18("7","5","1","6","5","7","1") = "6"
    & skf18("7","5","1","6","5","8","1") = "7"
    & skf18("7","5","1","6","5","9","1") = "8"
    & skf18("7","5","1","6","5","10","1") = "9"
    & skf18("7","5","1","6","6","1","1") = "6"
    & skf18("7","5","1","6","6","2","1") = "6"
    & skf18("7","5","1","6","6","3","1") = "6"
    & skf18("7","5","1","6","6","4","1") = "6"
    & skf18("7","5","1","6","6","5","1") = "6"
    & skf18("7","5","1","6","6","6","1") = "6"
    & skf18("7","5","1","6","6","7","1") = "6"
    & skf18("7","5","1","6","6","8","1") = "7"
    & skf18("7","5","1","6","6","9","1") = "8"
    & skf18("7","5","1","6","6","10","1") = "9"
    & skf18("7","5","1","6","7","1","1") = "6"
    & skf18("7","5","1","6","7","2","1") = "6"
    & skf18("7","5","1","6","7","3","1") = "6"
    & skf18("7","5","1","6","7","4","1") = "6"
    & skf18("7","5","1","6","7","5","1") = "6"
    & skf18("7","5","1","6","7","6","1") = "6"
    & skf18("7","5","1","6","7","7","1") = "6"
    & skf18("7","5","1","6","7","8","1") = "7"
    & skf18("7","5","1","6","7","9","1") = "8"
    & skf18("7","5","1","6","7","10","1") = "9"
    & skf18("7","5","1","6","8","1","1") = "7"
    & skf18("7","5","1","6","8","2","1") = "7"
    & skf18("7","5","1","6","8","3","1") = "7"
    & skf18("7","5","1","6","8","4","1") = "7"
    & skf18("7","5","1","6","8","5","1") = "7"
    & skf18("7","5","1","6","8","6","1") = "7"
    & skf18("7","5","1","6","8","7","1") = "7"
    & skf18("7","5","1","6","8","8","1") = "7"
    & skf18("7","5","1","6","8","9","1") = "8"
    & skf18("7","5","1","6","8","10","1") = "9"
    & skf18("7","5","1","6","9","1","1") = "8"
    & skf18("7","5","1","6","9","2","1") = "8"
    & skf18("7","5","1","6","9","3","1") = "8"
    & skf18("7","5","1","6","9","4","1") = "8"
    & skf18("7","5","1","6","9","5","1") = "8"
    & skf18("7","5","1","6","9","6","1") = "8"
    & skf18("7","5","1","6","9","7","1") = "8"
    & skf18("7","5","1","6","9","8","1") = "8"
    & skf18("7","5","1","6","9","9","1") = "8"
    & skf18("7","5","1","6","9","10","1") = "9"
    & skf18("7","5","1","6","10","1","1") = "9"
    & skf18("7","5","1","6","10","2","1") = "9"
    & skf18("7","5","1","6","10","3","1") = "9"
    & skf18("7","5","1","6","10","4","1") = "9"
    & skf18("7","5","1","6","10","5","1") = "9"
    & skf18("7","5","1","6","10","6","1") = "9"
    & skf18("7","5","1","6","10","7","1") = "9"
    & skf18("7","5","1","6","10","8","1") = "9"
    & skf18("7","5","1","6","10","9","1") = "9"
    & skf18("7","5","1","6","10","10","1") = "9"
    & skf18("7","5","1","7","1","1","1") = "6"
    & skf18("7","5","1","7","1","2","1") = "6"
    & skf18("7","5","1","7","1","3","1") = "6"
    & skf18("7","5","1","7","1","4","1") = "6"
    & skf18("7","5","1","7","1","5","1") = "6"
    & skf18("7","5","1","7","1","6","1") = "6"
    & skf18("7","5","1","7","1","7","1") = "6"
    & skf18("7","5","1","7","1","8","1") = "7"
    & skf18("7","5","1","7","1","9","1") = "8"
    & skf18("7","5","1","7","1","10","1") = "9"
    & skf18("7","5","1","7","2","1","1") = "6"
    & skf18("7","5","1","7","2","2","1") = "6"
    & skf18("7","5","1","7","2","3","1") = "6"
    & skf18("7","5","1","7","2","4","1") = "6"
    & skf18("7","5","1","7","2","5","1") = "6"
    & skf18("7","5","1","7","2","6","1") = "6"
    & skf18("7","5","1","7","2","7","1") = "6"
    & skf18("7","5","1","7","2","8","1") = "7"
    & skf18("7","5","1","7","2","9","1") = "8"
    & skf18("7","5","1","7","2","10","1") = "9"
    & skf18("7","5","1","7","3","1","1") = "6"
    & skf18("7","5","1","7","3","2","1") = "6"
    & skf18("7","5","1","7","3","3","1") = "6"
    & skf18("7","5","1","7","3","4","1") = "6"
    & skf18("7","5","1","7","3","5","1") = "6"
    & skf18("7","5","1","7","3","6","1") = "6"
    & skf18("7","5","1","7","3","7","1") = "6"
    & skf18("7","5","1","7","3","8","1") = "7"
    & skf18("7","5","1","7","3","9","1") = "8"
    & skf18("7","5","1","7","3","10","1") = "9"
    & skf18("7","5","1","7","4","1","1") = "6"
    & skf18("7","5","1","7","4","2","1") = "6"
    & skf18("7","5","1","7","4","3","1") = "6"
    & skf18("7","5","1","7","4","4","1") = "6"
    & skf18("7","5","1","7","4","5","1") = "6"
    & skf18("7","5","1","7","4","6","1") = "6"
    & skf18("7","5","1","7","4","7","1") = "6"
    & skf18("7","5","1","7","4","8","1") = "7"
    & skf18("7","5","1","7","4","9","1") = "8"
    & skf18("7","5","1","7","4","10","1") = "9"
    & skf18("7","5","1","7","5","1","1") = "6"
    & skf18("7","5","1","7","5","2","1") = "6"
    & skf18("7","5","1","7","5","3","1") = "6"
    & skf18("7","5","1","7","5","4","1") = "6"
    & skf18("7","5","1","7","5","5","1") = "6"
    & skf18("7","5","1","7","5","6","1") = "6"
    & skf18("7","5","1","7","5","7","1") = "6"
    & skf18("7","5","1","7","5","8","1") = "7"
    & skf18("7","5","1","7","5","9","1") = "8"
    & skf18("7","5","1","7","5","10","1") = "9"
    & skf18("7","5","1","7","6","1","1") = "6"
    & skf18("7","5","1","7","6","2","1") = "6"
    & skf18("7","5","1","7","6","3","1") = "6"
    & skf18("7","5","1","7","6","4","1") = "6"
    & skf18("7","5","1","7","6","5","1") = "6"
    & skf18("7","5","1","7","6","6","1") = "6"
    & skf18("7","5","1","7","6","7","1") = "6"
    & skf18("7","5","1","7","6","8","1") = "7"
    & skf18("7","5","1","7","6","9","1") = "8"
    & skf18("7","5","1","7","6","10","1") = "9"
    & skf18("7","5","1","7","7","1","1") = "6"
    & skf18("7","5","1","7","7","2","1") = "6"
    & skf18("7","5","1","7","7","3","1") = "6"
    & skf18("7","5","1","7","7","4","1") = "6"
    & skf18("7","5","1","7","7","5","1") = "6"
    & skf18("7","5","1","7","7","6","1") = "6"
    & skf18("7","5","1","7","7","7","1") = "6"
    & skf18("7","5","1","7","7","8","1") = "7"
    & skf18("7","5","1","7","7","9","1") = "8"
    & skf18("7","5","1","7","7","10","1") = "9"
    & skf18("7","5","1","7","8","1","1") = "7"
    & skf18("7","5","1","7","8","2","1") = "7"
    & skf18("7","5","1","7","8","3","1") = "7"
    & skf18("7","5","1","7","8","4","1") = "7"
    & skf18("7","5","1","7","8","5","1") = "7"
    & skf18("7","5","1","7","8","6","1") = "7"
    & skf18("7","5","1","7","8","7","1") = "7"
    & skf18("7","5","1","7","8","8","1") = "7"
    & skf18("7","5","1","7","8","9","1") = "8"
    & skf18("7","5","1","7","8","10","1") = "9"
    & skf18("7","5","1","7","9","1","1") = "8"
    & skf18("7","5","1","7","9","2","1") = "8"
    & skf18("7","5","1","7","9","3","1") = "8"
    & skf18("7","5","1","7","9","4","1") = "8"
    & skf18("7","5","1","7","9","5","1") = "8"
    & skf18("7","5","1","7","9","6","1") = "8"
    & skf18("7","5","1","7","9","7","1") = "8"
    & skf18("7","5","1","7","9","8","1") = "8"
    & skf18("7","5","1","7","9","9","1") = "8"
    & skf18("7","5","1","7","9","10","1") = "9"
    & skf18("7","5","1","7","10","1","1") = "9"
    & skf18("7","5","1","7","10","2","1") = "9"
    & skf18("7","5","1","7","10","3","1") = "9"
    & skf18("7","5","1","7","10","4","1") = "9"
    & skf18("7","5","1","7","10","5","1") = "9"
    & skf18("7","5","1","7","10","6","1") = "9"
    & skf18("7","5","1","7","10","7","1") = "9"
    & skf18("7","5","1","7","10","8","1") = "9"
    & skf18("7","5","1","7","10","9","1") = "9"
    & skf18("7","5","1","7","10","10","1") = "9"
    & skf18("7","5","1","8","1","1","1") = "7"
    & skf18("7","5","1","8","1","2","1") = "7"
    & skf18("7","5","1","8","1","3","1") = "7"
    & skf18("7","5","1","8","1","4","1") = "7"
    & skf18("7","5","1","8","1","5","1") = "7"
    & skf18("7","5","1","8","1","6","1") = "7"
    & skf18("7","5","1","8","1","7","1") = "7"
    & skf18("7","5","1","8","1","8","1") = "7"
    & skf18("7","5","1","8","1","9","1") = "8"
    & skf18("7","5","1","8","1","10","1") = "9"
    & skf18("7","5","1","8","2","1","1") = "7"
    & skf18("7","5","1","8","2","2","1") = "7"
    & skf18("7","5","1","8","2","3","1") = "7"
    & skf18("7","5","1","8","2","4","1") = "7"
    & skf18("7","5","1","8","2","5","1") = "7"
    & skf18("7","5","1","8","2","6","1") = "7"
    & skf18("7","5","1","8","2","7","1") = "7"
    & skf18("7","5","1","8","2","8","1") = "7"
    & skf18("7","5","1","8","2","9","1") = "8"
    & skf18("7","5","1","8","2","10","1") = "9"
    & skf18("7","5","1","8","3","1","1") = "7"
    & skf18("7","5","1","8","3","2","1") = "7"
    & skf18("7","5","1","8","3","3","1") = "7"
    & skf18("7","5","1","8","3","4","1") = "7"
    & skf18("7","5","1","8","3","5","1") = "7"
    & skf18("7","5","1","8","3","6","1") = "7"
    & skf18("7","5","1","8","3","7","1") = "7"
    & skf18("7","5","1","8","3","8","1") = "7"
    & skf18("7","5","1","8","3","9","1") = "8"
    & skf18("7","5","1","8","3","10","1") = "9"
    & skf18("7","5","1","8","4","1","1") = "7"
    & skf18("7","5","1","8","4","2","1") = "7"
    & skf18("7","5","1","8","4","3","1") = "7"
    & skf18("7","5","1","8","4","4","1") = "7"
    & skf18("7","5","1","8","4","5","1") = "7"
    & skf18("7","5","1","8","4","6","1") = "7"
    & skf18("7","5","1","8","4","7","1") = "7"
    & skf18("7","5","1","8","4","8","1") = "7"
    & skf18("7","5","1","8","4","9","1") = "8"
    & skf18("7","5","1","8","4","10","1") = "9"
    & skf18("7","5","1","8","5","1","1") = "7"
    & skf18("7","5","1","8","5","2","1") = "7"
    & skf18("7","5","1","8","5","3","1") = "7"
    & skf18("7","5","1","8","5","4","1") = "7"
    & skf18("7","5","1","8","5","5","1") = "7"
    & skf18("7","5","1","8","5","6","1") = "7"
    & skf18("7","5","1","8","5","7","1") = "7"
    & skf18("7","5","1","8","5","8","1") = "7"
    & skf18("7","5","1","8","5","9","1") = "8"
    & skf18("7","5","1","8","5","10","1") = "9"
    & skf18("7","5","1","8","6","1","1") = "7"
    & skf18("7","5","1","8","6","2","1") = "7"
    & skf18("7","5","1","8","6","3","1") = "7"
    & skf18("7","5","1","8","6","4","1") = "7"
    & skf18("7","5","1","8","6","5","1") = "7"
    & skf18("7","5","1","8","6","6","1") = "7"
    & skf18("7","5","1","8","6","7","1") = "7"
    & skf18("7","5","1","8","6","8","1") = "7"
    & skf18("7","5","1","8","6","9","1") = "8"
    & skf18("7","5","1","8","6","10","1") = "9"
    & skf18("7","5","1","8","7","1","1") = "7"
    & skf18("7","5","1","8","7","2","1") = "7"
    & skf18("7","5","1","8","7","3","1") = "7"
    & skf18("7","5","1","8","7","4","1") = "7"
    & skf18("7","5","1","8","7","5","1") = "7"
    & skf18("7","5","1","8","7","6","1") = "7"
    & skf18("7","5","1","8","7","7","1") = "7"
    & skf18("7","5","1","8","7","8","1") = "7"
    & skf18("7","5","1","8","7","9","1") = "8"
    & skf18("7","5","1","8","7","10","1") = "9"
    & skf18("7","5","1","8","8","1","1") = "7"
    & skf18("7","5","1","8","8","2","1") = "7"
    & skf18("7","5","1","8","8","3","1") = "7"
    & skf18("7","5","1","8","8","4","1") = "7"
    & skf18("7","5","1","8","8","5","1") = "7"
    & skf18("7","5","1","8","8","6","1") = "7"
    & skf18("7","5","1","8","8","7","1") = "7"
    & skf18("7","5","1","8","8","8","1") = "7"
    & skf18("7","5","1","8","8","9","1") = "8"
    & skf18("7","5","1","8","8","10","1") = "9"
    & skf18("7","5","1","8","9","1","1") = "8"
    & skf18("7","5","1","8","9","2","1") = "8"
    & skf18("7","5","1","8","9","3","1") = "8"
    & skf18("7","5","1","8","9","4","1") = "8"
    & skf18("7","5","1","8","9","5","1") = "8"
    & skf18("7","5","1","8","9","6","1") = "8"
    & skf18("7","5","1","8","9","7","1") = "8"
    & skf18("7","5","1","8","9","8","1") = "8"
    & skf18("7","5","1","8","9","9","1") = "8"
    & skf18("7","5","1","8","9","10","1") = "9"
    & skf18("7","5","1","8","10","1","1") = "9"
    & skf18("7","5","1","8","10","2","1") = "9"
    & skf18("7","5","1","8","10","3","1") = "9"
    & skf18("7","5","1","8","10","4","1") = "9"
    & skf18("7","5","1","8","10","5","1") = "9"
    & skf18("7","5","1","8","10","6","1") = "9"
    & skf18("7","5","1","8","10","7","1") = "9"
    & skf18("7","5","1","8","10","8","1") = "9"
    & skf18("7","5","1","8","10","9","1") = "9"
    & skf18("7","5","1","8","10","10","1") = "9"
    & skf18("7","5","1","9","1","1","1") = "8"
    & skf18("7","5","1","9","1","2","1") = "8"
    & skf18("7","5","1","9","1","3","1") = "8"
    & skf18("7","5","1","9","1","4","1") = "8"
    & skf18("7","5","1","9","1","5","1") = "8"
    & skf18("7","5","1","9","1","6","1") = "8"
    & skf18("7","5","1","9","1","7","1") = "8"
    & skf18("7","5","1","9","1","8","1") = "8"
    & skf18("7","5","1","9","1","9","1") = "8"
    & skf18("7","5","1","9","1","10","1") = "9"
    & skf18("7","5","1","9","2","1","1") = "8"
    & skf18("7","5","1","9","2","2","1") = "8"
    & skf18("7","5","1","9","2","3","1") = "8"
    & skf18("7","5","1","9","2","4","1") = "8"
    & skf18("7","5","1","9","2","5","1") = "8"
    & skf18("7","5","1","9","2","6","1") = "8"
    & skf18("7","5","1","9","2","7","1") = "8"
    & skf18("7","5","1","9","2","8","1") = "8"
    & skf18("7","5","1","9","2","9","1") = "8"
    & skf18("7","5","1","9","2","10","1") = "9"
    & skf18("7","5","1","9","3","1","1") = "8"
    & skf18("7","5","1","9","3","2","1") = "8"
    & skf18("7","5","1","9","3","3","1") = "8"
    & skf18("7","5","1","9","3","4","1") = "8"
    & skf18("7","5","1","9","3","5","1") = "8"
    & skf18("7","5","1","9","3","6","1") = "8"
    & skf18("7","5","1","9","3","7","1") = "8"
    & skf18("7","5","1","9","3","8","1") = "8"
    & skf18("7","5","1","9","3","9","1") = "8"
    & skf18("7","5","1","9","3","10","1") = "9"
    & skf18("7","5","1","9","4","1","1") = "8"
    & skf18("7","5","1","9","4","2","1") = "8"
    & skf18("7","5","1","9","4","3","1") = "8"
    & skf18("7","5","1","9","4","4","1") = "8"
    & skf18("7","5","1","9","4","5","1") = "8"
    & skf18("7","5","1","9","4","6","1") = "8"
    & skf18("7","5","1","9","4","7","1") = "8"
    & skf18("7","5","1","9","4","8","1") = "8"
    & skf18("7","5","1","9","4","9","1") = "8"
    & skf18("7","5","1","9","4","10","1") = "9"
    & skf18("7","5","1","9","5","1","1") = "8"
    & skf18("7","5","1","9","5","2","1") = "8"
    & skf18("7","5","1","9","5","3","1") = "8"
    & skf18("7","5","1","9","5","4","1") = "8"
    & skf18("7","5","1","9","5","5","1") = "8"
    & skf18("7","5","1","9","5","6","1") = "8"
    & skf18("7","5","1","9","5","7","1") = "8"
    & skf18("7","5","1","9","5","8","1") = "8"
    & skf18("7","5","1","9","5","9","1") = "8"
    & skf18("7","5","1","9","5","10","1") = "9"
    & skf18("7","5","1","9","6","1","1") = "8"
    & skf18("7","5","1","9","6","2","1") = "8"
    & skf18("7","5","1","9","6","3","1") = "8"
    & skf18("7","5","1","9","6","4","1") = "8"
    & skf18("7","5","1","9","6","5","1") = "8"
    & skf18("7","5","1","9","6","6","1") = "8"
    & skf18("7","5","1","9","6","7","1") = "8"
    & skf18("7","5","1","9","6","8","1") = "8"
    & skf18("7","5","1","9","6","9","1") = "8"
    & skf18("7","5","1","9","6","10","1") = "9"
    & skf18("7","5","1","9","7","1","1") = "8"
    & skf18("7","5","1","9","7","2","1") = "8"
    & skf18("7","5","1","9","7","3","1") = "8"
    & skf18("7","5","1","9","7","4","1") = "8"
    & skf18("7","5","1","9","7","5","1") = "8"
    & skf18("7","5","1","9","7","6","1") = "8"
    & skf18("7","5","1","9","7","7","1") = "8"
    & skf18("7","5","1","9","7","8","1") = "8"
    & skf18("7","5","1","9","7","9","1") = "8"
    & skf18("7","5","1","9","7","10","1") = "9"
    & skf18("7","5","1","9","8","1","1") = "8"
    & skf18("7","5","1","9","8","2","1") = "8"
    & skf18("7","5","1","9","8","3","1") = "8"
    & skf18("7","5","1","9","8","4","1") = "8"
    & skf18("7","5","1","9","8","5","1") = "8"
    & skf18("7","5","1","9","8","6","1") = "8"
    & skf18("7","5","1","9","8","7","1") = "8"
    & skf18("7","5","1","9","8","8","1") = "8"
    & skf18("7","5","1","9","8","9","1") = "8"
    & skf18("7","5","1","9","8","10","1") = "9"
    & skf18("7","5","1","9","9","1","1") = "8"
    & skf18("7","5","1","9","9","2","1") = "8"
    & skf18("7","5","1","9","9","3","1") = "8"
    & skf18("7","5","1","9","9","4","1") = "8"
    & skf18("7","5","1","9","9","5","1") = "8"
    & skf18("7","5","1","9","9","6","1") = "8"
    & skf18("7","5","1","9","9","7","1") = "8"
    & skf18("7","5","1","9","9","8","1") = "8"
    & skf18("7","5","1","9","9","9","1") = "8"
    & skf18("7","5","1","9","9","10","1") = "9"
    & skf18("7","5","1","9","10","1","1") = "9"
    & skf18("7","5","1","9","10","2","1") = "9"
    & skf18("7","5","1","9","10","3","1") = "9"
    & skf18("7","5","1","9","10","4","1") = "9"
    & skf18("7","5","1","9","10","5","1") = "9"
    & skf18("7","5","1","9","10","6","1") = "9"
    & skf18("7","5","1","9","10","7","1") = "9"
    & skf18("7","5","1","9","10","8","1") = "9"
    & skf18("7","5","1","9","10","9","1") = "9"
    & skf18("7","5","1","9","10","10","1") = "9"
    & skf18("7","5","1","10","1","1","1") = "9"
    & skf18("7","5","1","10","1","2","1") = "9"
    & skf18("7","5","1","10","1","3","1") = "9"
    & skf18("7","5","1","10","1","4","1") = "9"
    & skf18("7","5","1","10","1","5","1") = "9"
    & skf18("7","5","1","10","1","6","1") = "9"
    & skf18("7","5","1","10","1","7","1") = "9"
    & skf18("7","5","1","10","1","8","1") = "9"
    & skf18("7","5","1","10","1","9","1") = "9"
    & skf18("7","5","1","10","1","10","1") = "9"
    & skf18("7","5","1","10","2","1","1") = "9"
    & skf18("7","5","1","10","2","2","1") = "9"
    & skf18("7","5","1","10","2","3","1") = "9"
    & skf18("7","5","1","10","2","4","1") = "9"
    & skf18("7","5","1","10","2","5","1") = "9"
    & skf18("7","5","1","10","2","6","1") = "9"
    & skf18("7","5","1","10","2","7","1") = "9"
    & skf18("7","5","1","10","2","8","1") = "9"
    & skf18("7","5","1","10","2","9","1") = "9"
    & skf18("7","5","1","10","2","10","1") = "9"
    & skf18("7","5","1","10","3","1","1") = "9"
    & skf18("7","5","1","10","3","2","1") = "9"
    & skf18("7","5","1","10","3","3","1") = "9"
    & skf18("7","5","1","10","3","4","1") = "9"
    & skf18("7","5","1","10","3","5","1") = "9"
    & skf18("7","5","1","10","3","6","1") = "9"
    & skf18("7","5","1","10","3","7","1") = "9"
    & skf18("7","5","1","10","3","8","1") = "9"
    & skf18("7","5","1","10","3","9","1") = "9"
    & skf18("7","5","1","10","3","10","1") = "9"
    & skf18("7","5","1","10","4","1","1") = "9"
    & skf18("7","5","1","10","4","2","1") = "9"
    & skf18("7","5","1","10","4","3","1") = "9"
    & skf18("7","5","1","10","4","4","1") = "9"
    & skf18("7","5","1","10","4","5","1") = "9"
    & skf18("7","5","1","10","4","6","1") = "9"
    & skf18("7","5","1","10","4","7","1") = "9"
    & skf18("7","5","1","10","4","8","1") = "9"
    & skf18("7","5","1","10","4","9","1") = "9"
    & skf18("7","5","1","10","4","10","1") = "9"
    & skf18("7","5","1","10","5","1","1") = "9"
    & skf18("7","5","1","10","5","2","1") = "9"
    & skf18("7","5","1","10","5","3","1") = "9"
    & skf18("7","5","1","10","5","4","1") = "9"
    & skf18("7","5","1","10","5","5","1") = "9"
    & skf18("7","5","1","10","5","6","1") = "9"
    & skf18("7","5","1","10","5","7","1") = "9"
    & skf18("7","5","1","10","5","8","1") = "9"
    & skf18("7","5","1","10","5","9","1") = "9"
    & skf18("7","5","1","10","5","10","1") = "9"
    & skf18("7","5","1","10","6","1","1") = "9"
    & skf18("7","5","1","10","6","2","1") = "9"
    & skf18("7","5","1","10","6","3","1") = "9"
    & skf18("7","5","1","10","6","4","1") = "9"
    & skf18("7","5","1","10","6","5","1") = "9"
    & skf18("7","5","1","10","6","6","1") = "9"
    & skf18("7","5","1","10","6","7","1") = "9"
    & skf18("7","5","1","10","6","8","1") = "9"
    & skf18("7","5","1","10","6","9","1") = "9"
    & skf18("7","5","1","10","6","10","1") = "9"
    & skf18("7","5","1","10","7","1","1") = "9"
    & skf18("7","5","1","10","7","2","1") = "9"
    & skf18("7","5","1","10","7","3","1") = "9"
    & skf18("7","5","1","10","7","4","1") = "9"
    & skf18("7","5","1","10","7","5","1") = "9"
    & skf18("7","5","1","10","7","6","1") = "9"
    & skf18("7","5","1","10","7","7","1") = "9"
    & skf18("7","5","1","10","7","8","1") = "9"
    & skf18("7","5","1","10","7","9","1") = "9"
    & skf18("7","5","1","10","7","10","1") = "9"
    & skf18("7","5","1","10","8","1","1") = "9"
    & skf18("7","5","1","10","8","2","1") = "9"
    & skf18("7","5","1","10","8","3","1") = "9"
    & skf18("7","5","1","10","8","4","1") = "9"
    & skf18("7","5","1","10","8","5","1") = "9"
    & skf18("7","5","1","10","8","6","1") = "9"
    & skf18("7","5","1","10","8","7","1") = "9"
    & skf18("7","5","1","10","8","8","1") = "9"
    & skf18("7","5","1","10","8","9","1") = "9"
    & skf18("7","5","1","10","8","10","1") = "9"
    & skf18("7","5","1","10","9","1","1") = "9"
    & skf18("7","5","1","10","9","2","1") = "9"
    & skf18("7","5","1","10","9","3","1") = "9"
    & skf18("7","5","1","10","9","4","1") = "9"
    & skf18("7","5","1","10","9","5","1") = "9"
    & skf18("7","5","1","10","9","6","1") = "9"
    & skf18("7","5","1","10","9","7","1") = "9"
    & skf18("7","5","1","10","9","8","1") = "9"
    & skf18("7","5","1","10","9","9","1") = "9"
    & skf18("7","5","1","10","9","10","1") = "9"
    & skf18("7","5","1","10","10","1","1") = "9"
    & skf18("7","5","1","10","10","2","1") = "9"
    & skf18("7","5","1","10","10","3","1") = "9"
    & skf18("7","5","1","10","10","4","1") = "9"
    & skf18("7","5","1","10","10","5","1") = "9"
    & skf18("7","5","1","10","10","6","1") = "9"
    & skf18("7","5","1","10","10","7","1") = "9"
    & skf18("7","5","1","10","10","8","1") = "9"
    & skf18("7","5","1","10","10","9","1") = "9"
    & skf18("7","5","1","10","10","10","1") = "9"
    & skf18("7","5","2","1","1","1","1") = "6"
    & skf18("7","5","2","1","1","2","1") = "6"
    & skf18("7","5","2","1","1","3","1") = "6"
    & skf18("7","5","2","1","1","4","1") = "6"
    & skf18("7","5","2","1","1","5","1") = "6"
    & skf18("7","5","2","1","1","6","1") = "6"
    & skf18("7","5","2","1","1","7","1") = "6"
    & skf18("7","5","2","1","1","8","1") = "7"
    & skf18("7","5","2","1","1","9","1") = "8"
    & skf18("7","5","2","1","1","10","1") = "9"
    & skf18("7","5","2","1","2","1","1") = "6"
    & skf18("7","5","2","1","2","2","1") = "6"
    & skf18("7","5","2","1","2","3","1") = "6"
    & skf18("7","5","2","1","2","4","1") = "6"
    & skf18("7","5","2","1","2","5","1") = "6"
    & skf18("7","5","2","1","2","6","1") = "6"
    & skf18("7","5","2","1","2","7","1") = "6"
    & skf18("7","5","2","1","2","8","1") = "7"
    & skf18("7","5","2","1","2","9","1") = "8"
    & skf18("7","5","2","1","2","10","1") = "9"
    & skf18("7","5","2","1","3","1","1") = "6"
    & skf18("7","5","2","1","3","2","1") = "6"
    & skf18("7","5","2","1","3","3","1") = "6"
    & skf18("7","5","2","1","3","4","1") = "6"
    & skf18("7","5","2","1","3","5","1") = "6"
    & skf18("7","5","2","1","3","6","1") = "6"
    & skf18("7","5","2","1","3","7","1") = "6"
    & skf18("7","5","2","1","3","8","1") = "7"
    & skf18("7","5","2","1","3","9","1") = "8"
    & skf18("7","5","2","1","3","10","1") = "9"
    & skf18("7","5","2","1","4","1","1") = "6"
    & skf18("7","5","2","1","4","2","1") = "6"
    & skf18("7","5","2","1","4","3","1") = "6"
    & skf18("7","5","2","1","4","4","1") = "6"
    & skf18("7","5","2","1","4","5","1") = "6"
    & skf18("7","5","2","1","4","6","1") = "6"
    & skf18("7","5","2","1","4","7","1") = "6"
    & skf18("7","5","2","1","4","8","1") = "7"
    & skf18("7","5","2","1","4","9","1") = "8"
    & skf18("7","5","2","1","4","10","1") = "9"
    & skf18("7","5","2","1","5","1","1") = "6"
    & skf18("7","5","2","1","5","2","1") = "6"
    & skf18("7","5","2","1","5","3","1") = "6"
    & skf18("7","5","2","1","5","4","1") = "6"
    & skf18("7","5","2","1","5","5","1") = "6"
    & skf18("7","5","2","1","5","6","1") = "6"
    & skf18("7","5","2","1","5","7","1") = "6"
    & skf18("7","5","2","1","5","8","1") = "7"
    & skf18("7","5","2","1","5","9","1") = "8"
    & skf18("7","5","2","1","5","10","1") = "9"
    & skf18("7","5","2","1","6","1","1") = "6"
    & skf18("7","5","2","1","6","2","1") = "6"
    & skf18("7","5","2","1","6","3","1") = "6"
    & skf18("7","5","2","1","6","4","1") = "6"
    & skf18("7","5","2","1","6","5","1") = "6"
    & skf18("7","5","2","1","6","6","1") = "6"
    & skf18("7","5","2","1","6","7","1") = "6"
    & skf18("7","5","2","1","6","8","1") = "7"
    & skf18("7","5","2","1","6","9","1") = "8"
    & skf18("7","5","2","1","6","10","1") = "9"
    & skf18("7","5","2","1","7","1","1") = "6"
    & skf18("7","5","2","1","7","2","1") = "6"
    & skf18("7","5","2","1","7","3","1") = "6"
    & skf18("7","5","2","1","7","4","1") = "6"
    & skf18("7","5","2","1","7","5","1") = "6"
    & skf18("7","5","2","1","7","6","1") = "6"
    & skf18("7","5","2","1","7","7","1") = "6"
    & skf18("7","5","2","1","7","8","1") = "7"
    & skf18("7","5","2","1","7","9","1") = "8"
    & skf18("7","5","2","1","7","10","1") = "9"
    & skf18("7","5","2","1","8","1","1") = "7"
    & skf18("7","5","2","1","8","2","1") = "7"
    & skf18("7","5","2","1","8","3","1") = "7"
    & skf18("7","5","2","1","8","4","1") = "7"
    & skf18("7","5","2","1","8","5","1") = "7"
    & skf18("7","5","2","1","8","6","1") = "7"
    & skf18("7","5","2","1","8","7","1") = "7"
    & skf18("7","5","2","1","8","8","1") = "7"
    & skf18("7","5","2","1","8","9","1") = "8"
    & skf18("7","5","2","1","8","10","1") = "9"
    & skf18("7","5","2","1","9","1","1") = "8"
    & skf18("7","5","2","1","9","2","1") = "8"
    & skf18("7","5","2","1","9","3","1") = "8"
    & skf18("7","5","2","1","9","4","1") = "8"
    & skf18("7","5","2","1","9","5","1") = "8"
    & skf18("7","5","2","1","9","6","1") = "8"
    & skf18("7","5","2","1","9","7","1") = "8"
    & skf18("7","5","2","1","9","8","1") = "8"
    & skf18("7","5","2","1","9","9","1") = "8"
    & skf18("7","5","2","1","9","10","1") = "9"
    & skf18("7","5","2","1","10","1","1") = "9"
    & skf18("7","5","2","1","10","2","1") = "9"
    & skf18("7","5","2","1","10","3","1") = "9"
    & skf18("7","5","2","1","10","4","1") = "9"
    & skf18("7","5","2","1","10","5","1") = "9"
    & skf18("7","5","2","1","10","6","1") = "9"
    & skf18("7","5","2","1","10","7","1") = "9"
    & skf18("7","5","2","1","10","8","1") = "9"
    & skf18("7","5","2","1","10","9","1") = "9"
    & skf18("7","5","2","1","10","10","1") = "9"
    & skf18("7","5","2","2","1","1","1") = "6"
    & skf18("7","5","2","2","1","2","1") = "6"
    & skf18("7","5","2","2","1","3","1") = "6"
    & skf18("7","5","2","2","1","4","1") = "6"
    & skf18("7","5","2","2","1","5","1") = "6"
    & skf18("7","5","2","2","1","6","1") = "6"
    & skf18("7","5","2","2","1","7","1") = "6"
    & skf18("7","5","2","2","1","8","1") = "7"
    & skf18("7","5","2","2","1","9","1") = "8"
    & skf18("7","5","2","2","1","10","1") = "9"
    & skf18("7","5","2","2","2","1","1") = "6"
    & skf18("7","5","2","2","2","2","1") = "6"
    & skf18("7","5","2","2","2","3","1") = "6"
    & skf18("7","5","2","2","2","4","1") = "6"
    & skf18("7","5","2","2","2","5","1") = "6"
    & skf18("7","5","2","2","2","6","1") = "6"
    & skf18("7","5","2","2","2","7","1") = "6"
    & skf18("7","5","2","2","2","8","1") = "7"
    & skf18("7","5","2","2","2","9","1") = "8"
    & skf18("7","5","2","2","2","10","1") = "9"
    & skf18("7","5","2","2","3","1","1") = "6"
    & skf18("7","5","2","2","3","2","1") = "6"
    & skf18("7","5","2","2","3","3","1") = "6"
    & skf18("7","5","2","2","3","4","1") = "6"
    & skf18("7","5","2","2","3","5","1") = "6"
    & skf18("7","5","2","2","3","6","1") = "6"
    & skf18("7","5","2","2","3","7","1") = "6"
    & skf18("7","5","2","2","3","8","1") = "7"
    & skf18("7","5","2","2","3","9","1") = "8"
    & skf18("7","5","2","2","3","10","1") = "9"
    & skf18("7","5","2","2","4","1","1") = "6"
    & skf18("7","5","2","2","4","2","1") = "6"
    & skf18("7","5","2","2","4","3","1") = "6"
    & skf18("7","5","2","2","4","4","1") = "6"
    & skf18("7","5","2","2","4","5","1") = "6"
    & skf18("7","5","2","2","4","6","1") = "6"
    & skf18("7","5","2","2","4","7","1") = "6"
    & skf18("7","5","2","2","4","8","1") = "7"
    & skf18("7","5","2","2","4","9","1") = "8"
    & skf18("7","5","2","2","4","10","1") = "9"
    & skf18("7","5","2","2","5","1","1") = "6"
    & skf18("7","5","2","2","5","2","1") = "6"
    & skf18("7","5","2","2","5","3","1") = "6"
    & skf18("7","5","2","2","5","4","1") = "6"
    & skf18("7","5","2","2","5","5","1") = "6"
    & skf18("7","5","2","2","5","6","1") = "6"
    & skf18("7","5","2","2","5","7","1") = "6"
    & skf18("7","5","2","2","5","8","1") = "7"
    & skf18("7","5","2","2","5","9","1") = "8"
    & skf18("7","5","2","2","5","10","1") = "9"
    & skf18("7","5","2","2","6","1","1") = "6"
    & skf18("7","5","2","2","6","2","1") = "6"
    & skf18("7","5","2","2","6","3","1") = "6"
    & skf18("7","5","2","2","6","4","1") = "6"
    & skf18("7","5","2","2","6","5","1") = "6"
    & skf18("7","5","2","2","6","6","1") = "6"
    & skf18("7","5","2","2","6","7","1") = "6"
    & skf18("7","5","2","2","6","8","1") = "7"
    & skf18("7","5","2","2","6","9","1") = "8"
    & skf18("7","5","2","2","6","10","1") = "9"
    & skf18("7","5","2","2","7","1","1") = "6"
    & skf18("7","5","2","2","7","2","1") = "6"
    & skf18("7","5","2","2","7","3","1") = "6"
    & skf18("7","5","2","2","7","4","1") = "6"
    & skf18("7","5","2","2","7","5","1") = "6"
    & skf18("7","5","2","2","7","6","1") = "6"
    & skf18("7","5","2","2","7","7","1") = "6"
    & skf18("7","5","2","2","7","8","1") = "7"
    & skf18("7","5","2","2","7","9","1") = "8"
    & skf18("7","5","2","2","7","10","1") = "9"
    & skf18("7","5","2","2","8","1","1") = "7"
    & skf18("7","5","2","2","8","2","1") = "7"
    & skf18("7","5","2","2","8","3","1") = "7"
    & skf18("7","5","2","2","8","4","1") = "7"
    & skf18("7","5","2","2","8","5","1") = "7"
    & skf18("7","5","2","2","8","6","1") = "7"
    & skf18("7","5","2","2","8","7","1") = "7"
    & skf18("7","5","2","2","8","8","1") = "7"
    & skf18("7","5","2","2","8","9","1") = "8"
    & skf18("7","5","2","2","8","10","1") = "9"
    & skf18("7","5","2","2","9","1","1") = "8"
    & skf18("7","5","2","2","9","2","1") = "8"
    & skf18("7","5","2","2","9","3","1") = "8"
    & skf18("7","5","2","2","9","4","1") = "8"
    & skf18("7","5","2","2","9","5","1") = "8"
    & skf18("7","5","2","2","9","6","1") = "8"
    & skf18("7","5","2","2","9","7","1") = "8"
    & skf18("7","5","2","2","9","8","1") = "8"
    & skf18("7","5","2","2","9","9","1") = "8"
    & skf18("7","5","2","2","9","10","1") = "9"
    & skf18("7","5","2","2","10","1","1") = "9"
    & skf18("7","5","2","2","10","2","1") = "9"
    & skf18("7","5","2","2","10","3","1") = "9"
    & skf18("7","5","2","2","10","4","1") = "9"
    & skf18("7","5","2","2","10","5","1") = "9"
    & skf18("7","5","2","2","10","6","1") = "9"
    & skf18("7","5","2","2","10","7","1") = "9"
    & skf18("7","5","2","2","10","8","1") = "9"
    & skf18("7","5","2","2","10","9","1") = "9"
    & skf18("7","5","2","2","10","10","1") = "9"
    & skf18("7","5","2","3","1","1","1") = "6"
    & skf18("7","5","2","3","1","2","1") = "6"
    & skf18("7","5","2","3","1","3","1") = "6"
    & skf18("7","5","2","3","1","4","1") = "6"
    & skf18("7","5","2","3","1","5","1") = "6"
    & skf18("7","5","2","3","1","6","1") = "6"
    & skf18("7","5","2","3","1","7","1") = "6"
    & skf18("7","5","2","3","1","8","1") = "7"
    & skf18("7","5","2","3","1","9","1") = "8"
    & skf18("7","5","2","3","1","10","1") = "9"
    & skf18("7","5","2","3","2","1","1") = "6"
    & skf18("7","5","2","3","2","2","1") = "6"
    & skf18("7","5","2","3","2","3","1") = "6"
    & skf18("7","5","2","3","2","4","1") = "6"
    & skf18("7","5","2","3","2","5","1") = "6"
    & skf18("7","5","2","3","2","6","1") = "6"
    & skf18("7","5","2","3","2","7","1") = "6"
    & skf18("7","5","2","3","2","8","1") = "7"
    & skf18("7","5","2","3","2","9","1") = "8"
    & skf18("7","5","2","3","2","10","1") = "9"
    & skf18("7","5","2","3","3","1","1") = "6"
    & skf18("7","5","2","3","3","2","1") = "6"
    & skf18("7","5","2","3","3","3","1") = "6"
    & skf18("7","5","2","3","3","4","1") = "6"
    & skf18("7","5","2","3","3","5","1") = "6"
    & skf18("7","5","2","3","3","6","1") = "6"
    & skf18("7","5","2","3","3","7","1") = "6"
    & skf18("7","5","2","3","3","8","1") = "7"
    & skf18("7","5","2","3","3","9","1") = "8"
    & skf18("7","5","2","3","3","10","1") = "9"
    & skf18("7","5","2","3","4","1","1") = "6"
    & skf18("7","5","2","3","4","2","1") = "6"
    & skf18("7","5","2","3","4","3","1") = "6"
    & skf18("7","5","2","3","4","4","1") = "6"
    & skf18("7","5","2","3","4","5","1") = "6"
    & skf18("7","5","2","3","4","6","1") = "6"
    & skf18("7","5","2","3","4","7","1") = "6"
    & skf18("7","5","2","3","4","8","1") = "7"
    & skf18("7","5","2","3","4","9","1") = "8"
    & skf18("7","5","2","3","4","10","1") = "9"
    & skf18("7","5","2","3","5","1","1") = "6"
    & skf18("7","5","2","3","5","2","1") = "6"
    & skf18("7","5","2","3","5","3","1") = "6"
    & skf18("7","5","2","3","5","4","1") = "6"
    & skf18("7","5","2","3","5","5","1") = "6"
    & skf18("7","5","2","3","5","6","1") = "6"
    & skf18("7","5","2","3","5","7","1") = "6"
    & skf18("7","5","2","3","5","8","1") = "7"
    & skf18("7","5","2","3","5","9","1") = "8"
    & skf18("7","5","2","3","5","10","1") = "9"
    & skf18("7","5","2","3","6","1","1") = "6"
    & skf18("7","5","2","3","6","2","1") = "6"
    & skf18("7","5","2","3","6","3","1") = "6"
    & skf18("7","5","2","3","6","4","1") = "6"
    & skf18("7","5","2","3","6","5","1") = "6"
    & skf18("7","5","2","3","6","6","1") = "6"
    & skf18("7","5","2","3","6","7","1") = "6"
    & skf18("7","5","2","3","6","8","1") = "7"
    & skf18("7","5","2","3","6","9","1") = "8"
    & skf18("7","5","2","3","6","10","1") = "9"
    & skf18("7","5","2","3","7","1","1") = "6"
    & skf18("7","5","2","3","7","2","1") = "6"
    & skf18("7","5","2","3","7","3","1") = "6"
    & skf18("7","5","2","3","7","4","1") = "6"
    & skf18("7","5","2","3","7","5","1") = "6"
    & skf18("7","5","2","3","7","6","1") = "6"
    & skf18("7","5","2","3","7","7","1") = "6"
    & skf18("7","5","2","3","7","8","1") = "7"
    & skf18("7","5","2","3","7","9","1") = "8"
    & skf18("7","5","2","3","7","10","1") = "9"
    & skf18("7","5","2","3","8","1","1") = "7"
    & skf18("7","5","2","3","8","2","1") = "7"
    & skf18("7","5","2","3","8","3","1") = "7"
    & skf18("7","5","2","3","8","4","1") = "7"
    & skf18("7","5","2","3","8","5","1") = "7"
    & skf18("7","5","2","3","8","6","1") = "7"
    & skf18("7","5","2","3","8","7","1") = "7"
    & skf18("7","5","2","3","8","8","1") = "7"
    & skf18("7","5","2","3","8","9","1") = "8"
    & skf18("7","5","2","3","8","10","1") = "9"
    & skf18("7","5","2","3","9","1","1") = "8"
    & skf18("7","5","2","3","9","2","1") = "8"
    & skf18("7","5","2","3","9","3","1") = "8"
    & skf18("7","5","2","3","9","4","1") = "8"
    & skf18("7","5","2","3","9","5","1") = "8"
    & skf18("7","5","2","3","9","6","1") = "8"
    & skf18("7","5","2","3","9","7","1") = "8"
    & skf18("7","5","2","3","9","8","1") = "8"
    & skf18("7","5","2","3","9","9","1") = "8"
    & skf18("7","5","2","3","9","10","1") = "9"
    & skf18("7","5","2","3","10","1","1") = "9"
    & skf18("7","5","2","3","10","2","1") = "9"
    & skf18("7","5","2","3","10","3","1") = "9"
    & skf18("7","5","2","3","10","4","1") = "9"
    & skf18("7","5","2","3","10","5","1") = "9"
    & skf18("7","5","2","3","10","6","1") = "9"
    & skf18("7","5","2","3","10","7","1") = "9"
    & skf18("7","5","2","3","10","8","1") = "9"
    & skf18("7","5","2","3","10","9","1") = "9"
    & skf18("7","5","2","3","10","10","1") = "9"
    & skf18("7","5","2","4","1","1","1") = "6"
    & skf18("7","5","2","4","1","2","1") = "6"
    & skf18("7","5","2","4","1","3","1") = "6"
    & skf18("7","5","2","4","1","4","1") = "6"
    & skf18("7","5","2","4","1","5","1") = "6"
    & skf18("7","5","2","4","1","6","1") = "6"
    & skf18("7","5","2","4","1","7","1") = "6"
    & skf18("7","5","2","4","1","8","1") = "7"
    & skf18("7","5","2","4","1","9","1") = "8"
    & skf18("7","5","2","4","1","10","1") = "9"
    & skf18("7","5","2","4","2","1","1") = "6"
    & skf18("7","5","2","4","2","2","1") = "6"
    & skf18("7","5","2","4","2","3","1") = "6"
    & skf18("7","5","2","4","2","4","1") = "6"
    & skf18("7","5","2","4","2","5","1") = "6"
    & skf18("7","5","2","4","2","6","1") = "6"
    & skf18("7","5","2","4","2","7","1") = "6"
    & skf18("7","5","2","4","2","8","1") = "7"
    & skf18("7","5","2","4","2","9","1") = "8"
    & skf18("7","5","2","4","2","10","1") = "9"
    & skf18("7","5","2","4","3","1","1") = "6"
    & skf18("7","5","2","4","3","2","1") = "6"
    & skf18("7","5","2","4","3","3","1") = "6"
    & skf18("7","5","2","4","3","4","1") = "6"
    & skf18("7","5","2","4","3","5","1") = "6"
    & skf18("7","5","2","4","3","6","1") = "6"
    & skf18("7","5","2","4","3","7","1") = "6"
    & skf18("7","5","2","4","3","8","1") = "7"
    & skf18("7","5","2","4","3","9","1") = "8"
    & skf18("7","5","2","4","3","10","1") = "9"
    & skf18("7","5","2","4","4","1","1") = "6"
    & skf18("7","5","2","4","4","2","1") = "6"
    & skf18("7","5","2","4","4","3","1") = "6"
    & skf18("7","5","2","4","4","4","1") = "6"
    & skf18("7","5","2","4","4","5","1") = "6"
    & skf18("7","5","2","4","4","6","1") = "6"
    & skf18("7","5","2","4","4","7","1") = "6"
    & skf18("7","5","2","4","4","8","1") = "7"
    & skf18("7","5","2","4","4","9","1") = "8"
    & skf18("7","5","2","4","4","10","1") = "9"
    & skf18("7","5","2","4","5","1","1") = "6"
    & skf18("7","5","2","4","5","2","1") = "6"
    & skf18("7","5","2","4","5","3","1") = "6"
    & skf18("7","5","2","4","5","4","1") = "6"
    & skf18("7","5","2","4","5","5","1") = "6"
    & skf18("7","5","2","4","5","6","1") = "6"
    & skf18("7","5","2","4","5","7","1") = "6"
    & skf18("7","5","2","4","5","8","1") = "7"
    & skf18("7","5","2","4","5","9","1") = "8"
    & skf18("7","5","2","4","5","10","1") = "9"
    & skf18("7","5","2","4","6","1","1") = "6"
    & skf18("7","5","2","4","6","2","1") = "6"
    & skf18("7","5","2","4","6","3","1") = "6"
    & skf18("7","5","2","4","6","4","1") = "6"
    & skf18("7","5","2","4","6","5","1") = "6"
    & skf18("7","5","2","4","6","6","1") = "6"
    & skf18("7","5","2","4","6","7","1") = "6"
    & skf18("7","5","2","4","6","8","1") = "7"
    & skf18("7","5","2","4","6","9","1") = "8"
    & skf18("7","5","2","4","6","10","1") = "9"
    & skf18("7","5","2","4","7","1","1") = "6"
    & skf18("7","5","2","4","7","2","1") = "6"
    & skf18("7","5","2","4","7","3","1") = "6"
    & skf18("7","5","2","4","7","4","1") = "6"
    & skf18("7","5","2","4","7","5","1") = "6"
    & skf18("7","5","2","4","7","6","1") = "6"
    & skf18("7","5","2","4","7","7","1") = "6"
    & skf18("7","5","2","4","7","8","1") = "7"
    & skf18("7","5","2","4","7","9","1") = "8"
    & skf18("7","5","2","4","7","10","1") = "9"
    & skf18("7","5","2","4","8","1","1") = "7"
    & skf18("7","5","2","4","8","2","1") = "7"
    & skf18("7","5","2","4","8","3","1") = "7"
    & skf18("7","5","2","4","8","4","1") = "7"
    & skf18("7","5","2","4","8","5","1") = "7"
    & skf18("7","5","2","4","8","6","1") = "7"
    & skf18("7","5","2","4","8","7","1") = "7"
    & skf18("7","5","2","4","8","8","1") = "7"
    & skf18("7","5","2","4","8","9","1") = "8"
    & skf18("7","5","2","4","8","10","1") = "9"
    & skf18("7","5","2","4","9","1","1") = "8"
    & skf18("7","5","2","4","9","2","1") = "8"
    & skf18("7","5","2","4","9","3","1") = "8"
    & skf18("7","5","2","4","9","4","1") = "8"
    & skf18("7","5","2","4","9","5","1") = "8"
    & skf18("7","5","2","4","9","6","1") = "8"
    & skf18("7","5","2","4","9","7","1") = "8"
    & skf18("7","5","2","4","9","8","1") = "8"
    & skf18("7","5","2","4","9","9","1") = "8"
    & skf18("7","5","2","4","9","10","1") = "9"
    & skf18("7","5","2","4","10","1","1") = "9"
    & skf18("7","5","2","4","10","2","1") = "9"
    & skf18("7","5","2","4","10","3","1") = "9"
    & skf18("7","5","2","4","10","4","1") = "9"
    & skf18("7","5","2","4","10","5","1") = "9"
    & skf18("7","5","2","4","10","6","1") = "9"
    & skf18("7","5","2","4","10","7","1") = "9"
    & skf18("7","5","2","4","10","8","1") = "9"
    & skf18("7","5","2","4","10","9","1") = "9"
    & skf18("7","5","2","4","10","10","1") = "9"
    & skf18("7","5","2","5","1","1","1") = "6"
    & skf18("7","5","2","5","1","2","1") = "6"
    & skf18("7","5","2","5","1","3","1") = "6"
    & skf18("7","5","2","5","1","4","1") = "6"
    & skf18("7","5","2","5","1","5","1") = "6"
    & skf18("7","5","2","5","1","6","1") = "6"
    & skf18("7","5","2","5","1","7","1") = "6"
    & skf18("7","5","2","5","1","8","1") = "7"
    & skf18("7","5","2","5","1","9","1") = "8"
    & skf18("7","5","2","5","1","10","1") = "9"
    & skf18("7","5","2","5","2","1","1") = "6"
    & skf18("7","5","2","5","2","2","1") = "6"
    & skf18("7","5","2","5","2","3","1") = "6"
    & skf18("7","5","2","5","2","4","1") = "6"
    & skf18("7","5","2","5","2","5","1") = "6"
    & skf18("7","5","2","5","2","6","1") = "6"
    & skf18("7","5","2","5","2","7","1") = "6"
    & skf18("7","5","2","5","2","8","1") = "7"
    & skf18("7","5","2","5","2","9","1") = "8"
    & skf18("7","5","2","5","2","10","1") = "9"
    & skf18("7","5","2","5","3","1","1") = "6"
    & skf18("7","5","2","5","3","2","1") = "6"
    & skf18("7","5","2","5","3","3","1") = "6"
    & skf18("7","5","2","5","3","4","1") = "6"
    & skf18("7","5","2","5","3","5","1") = "6"
    & skf18("7","5","2","5","3","6","1") = "6"
    & skf18("7","5","2","5","3","7","1") = "6"
    & skf18("7","5","2","5","3","8","1") = "7"
    & skf18("7","5","2","5","3","9","1") = "8"
    & skf18("7","5","2","5","3","10","1") = "9"
    & skf18("7","5","2","5","4","1","1") = "6"
    & skf18("7","5","2","5","4","2","1") = "6"
    & skf18("7","5","2","5","4","3","1") = "6"
    & skf18("7","5","2","5","4","4","1") = "6"
    & skf18("7","5","2","5","4","5","1") = "6"
    & skf18("7","5","2","5","4","6","1") = "6"
    & skf18("7","5","2","5","4","7","1") = "6"
    & skf18("7","5","2","5","4","8","1") = "7"
    & skf18("7","5","2","5","4","9","1") = "8"
    & skf18("7","5","2","5","4","10","1") = "9"
    & skf18("7","5","2","5","5","1","1") = "6"
    & skf18("7","5","2","5","5","2","1") = "6"
    & skf18("7","5","2","5","5","3","1") = "6"
    & skf18("7","5","2","5","5","4","1") = "6"
    & skf18("7","5","2","5","5","5","1") = "6"
    & skf18("7","5","2","5","5","6","1") = "6"
    & skf18("7","5","2","5","5","7","1") = "6"
    & skf18("7","5","2","5","5","8","1") = "7"
    & skf18("7","5","2","5","5","9","1") = "8"
    & skf18("7","5","2","5","5","10","1") = "9"
    & skf18("7","5","2","5","6","1","1") = "6"
    & skf18("7","5","2","5","6","2","1") = "6"
    & skf18("7","5","2","5","6","3","1") = "6"
    & skf18("7","5","2","5","6","4","1") = "6"
    & skf18("7","5","2","5","6","5","1") = "6"
    & skf18("7","5","2","5","6","6","1") = "6"
    & skf18("7","5","2","5","6","7","1") = "6"
    & skf18("7","5","2","5","6","8","1") = "7"
    & skf18("7","5","2","5","6","9","1") = "8"
    & skf18("7","5","2","5","6","10","1") = "9"
    & skf18("7","5","2","5","7","1","1") = "6"
    & skf18("7","5","2","5","7","2","1") = "6"
    & skf18("7","5","2","5","7","3","1") = "6"
    & skf18("7","5","2","5","7","4","1") = "6"
    & skf18("7","5","2","5","7","5","1") = "6"
    & skf18("7","5","2","5","7","6","1") = "6"
    & skf18("7","5","2","5","7","7","1") = "6"
    & skf18("7","5","2","5","7","8","1") = "7"
    & skf18("7","5","2","5","7","9","1") = "8"
    & skf18("7","5","2","5","7","10","1") = "9"
    & skf18("7","5","2","5","8","1","1") = "7"
    & skf18("7","5","2","5","8","2","1") = "7"
    & skf18("7","5","2","5","8","3","1") = "7"
    & skf18("7","5","2","5","8","4","1") = "7"
    & skf18("7","5","2","5","8","5","1") = "7"
    & skf18("7","5","2","5","8","6","1") = "7"
    & skf18("7","5","2","5","8","7","1") = "7"
    & skf18("7","5","2","5","8","8","1") = "7"
    & skf18("7","5","2","5","8","9","1") = "8"
    & skf18("7","5","2","5","8","10","1") = "9"
    & skf18("7","5","2","5","9","1","1") = "8"
    & skf18("7","5","2","5","9","2","1") = "8"
    & skf18("7","5","2","5","9","3","1") = "8"
    & skf18("7","5","2","5","9","4","1") = "8"
    & skf18("7","5","2","5","9","5","1") = "8"
    & skf18("7","5","2","5","9","6","1") = "8"
    & skf18("7","5","2","5","9","7","1") = "8"
    & skf18("7","5","2","5","9","8","1") = "8"
    & skf18("7","5","2","5","9","9","1") = "8"
    & skf18("7","5","2","5","9","10","1") = "9"
    & skf18("7","5","2","5","10","1","1") = "9"
    & skf18("7","5","2","5","10","2","1") = "9"
    & skf18("7","5","2","5","10","3","1") = "9"
    & skf18("7","5","2","5","10","4","1") = "9"
    & skf18("7","5","2","5","10","5","1") = "9"
    & skf18("7","5","2","5","10","6","1") = "9"
    & skf18("7","5","2","5","10","7","1") = "9"
    & skf18("7","5","2","5","10","8","1") = "9"
    & skf18("7","5","2","5","10","9","1") = "9"
    & skf18("7","5","2","5","10","10","1") = "9"
    & skf18("7","5","2","6","1","1","1") = "6"
    & skf18("7","5","2","6","1","2","1") = "6"
    & skf18("7","5","2","6","1","3","1") = "6"
    & skf18("7","5","2","6","1","4","1") = "6"
    & skf18("7","5","2","6","1","5","1") = "6"
    & skf18("7","5","2","6","1","6","1") = "6"
    & skf18("7","5","2","6","1","7","1") = "6"
    & skf18("7","5","2","6","1","8","1") = "7"
    & skf18("7","5","2","6","1","9","1") = "8"
    & skf18("7","5","2","6","1","10","1") = "9"
    & skf18("7","5","2","6","2","1","1") = "6"
    & skf18("7","5","2","6","2","2","1") = "6"
    & skf18("7","5","2","6","2","3","1") = "6"
    & skf18("7","5","2","6","2","4","1") = "6"
    & skf18("7","5","2","6","2","5","1") = "6"
    & skf18("7","5","2","6","2","6","1") = "6"
    & skf18("7","5","2","6","2","7","1") = "6"
    & skf18("7","5","2","6","2","8","1") = "7"
    & skf18("7","5","2","6","2","9","1") = "8"
    & skf18("7","5","2","6","2","10","1") = "9"
    & skf18("7","5","2","6","3","1","1") = "6"
    & skf18("7","5","2","6","3","2","1") = "6"
    & skf18("7","5","2","6","3","3","1") = "6"
    & skf18("7","5","2","6","3","4","1") = "6"
    & skf18("7","5","2","6","3","5","1") = "6"
    & skf18("7","5","2","6","3","6","1") = "6"
    & skf18("7","5","2","6","3","7","1") = "6"
    & skf18("7","5","2","6","3","8","1") = "7"
    & skf18("7","5","2","6","3","9","1") = "8"
    & skf18("7","5","2","6","3","10","1") = "9"
    & skf18("7","5","2","6","4","1","1") = "6"
    & skf18("7","5","2","6","4","2","1") = "6"
    & skf18("7","5","2","6","4","3","1") = "6"
    & skf18("7","5","2","6","4","4","1") = "6"
    & skf18("7","5","2","6","4","5","1") = "6"
    & skf18("7","5","2","6","4","6","1") = "6"
    & skf18("7","5","2","6","4","7","1") = "6"
    & skf18("7","5","2","6","4","8","1") = "7"
    & skf18("7","5","2","6","4","9","1") = "8"
    & skf18("7","5","2","6","4","10","1") = "9"
    & skf18("7","5","2","6","5","1","1") = "6"
    & skf18("7","5","2","6","5","2","1") = "6"
    & skf18("7","5","2","6","5","3","1") = "6"
    & skf18("7","5","2","6","5","4","1") = "6"
    & skf18("7","5","2","6","5","5","1") = "6"
    & skf18("7","5","2","6","5","6","1") = "6"
    & skf18("7","5","2","6","5","7","1") = "6"
    & skf18("7","5","2","6","5","8","1") = "7"
    & skf18("7","5","2","6","5","9","1") = "8"
    & skf18("7","5","2","6","5","10","1") = "9"
    & skf18("7","5","2","6","6","1","1") = "6"
    & skf18("7","5","2","6","6","2","1") = "6"
    & skf18("7","5","2","6","6","3","1") = "6"
    & skf18("7","5","2","6","6","4","1") = "6"
    & skf18("7","5","2","6","6","5","1") = "6"
    & skf18("7","5","2","6","6","6","1") = "6"
    & skf18("7","5","2","6","6","7","1") = "6"
    & skf18("7","5","2","6","6","8","1") = "7"
    & skf18("7","5","2","6","6","9","1") = "8"
    & skf18("7","5","2","6","6","10","1") = "9"
    & skf18("7","5","2","6","7","1","1") = "6"
    & skf18("7","5","2","6","7","2","1") = "6"
    & skf18("7","5","2","6","7","3","1") = "6"
    & skf18("7","5","2","6","7","4","1") = "6"
    & skf18("7","5","2","6","7","5","1") = "6"
    & skf18("7","5","2","6","7","6","1") = "6"
    & skf18("7","5","2","6","7","7","1") = "6"
    & skf18("7","5","2","6","7","8","1") = "7"
    & skf18("7","5","2","6","7","9","1") = "8"
    & skf18("7","5","2","6","7","10","1") = "9"
    & skf18("7","5","2","6","8","1","1") = "7"
    & skf18("7","5","2","6","8","2","1") = "7"
    & skf18("7","5","2","6","8","3","1") = "7"
    & skf18("7","5","2","6","8","4","1") = "7"
    & skf18("7","5","2","6","8","5","1") = "7"
    & skf18("7","5","2","6","8","6","1") = "7"
    & skf18("7","5","2","6","8","7","1") = "7"
    & skf18("7","5","2","6","8","8","1") = "7"
    & skf18("7","5","2","6","8","9","1") = "8"
    & skf18("7","5","2","6","8","10","1") = "9"
    & skf18("7","5","2","6","9","1","1") = "8"
    & skf18("7","5","2","6","9","2","1") = "8"
    & skf18("7","5","2","6","9","3","1") = "8"
    & skf18("7","5","2","6","9","4","1") = "8"
    & skf18("7","5","2","6","9","5","1") = "8"
    & skf18("7","5","2","6","9","6","1") = "8"
    & skf18("7","5","2","6","9","7","1") = "8"
    & skf18("7","5","2","6","9","8","1") = "8"
    & skf18("7","5","2","6","9","9","1") = "8"
    & skf18("7","5","2","6","9","10","1") = "9"
    & skf18("7","5","2","6","10","1","1") = "9"
    & skf18("7","5","2","6","10","2","1") = "9"
    & skf18("7","5","2","6","10","3","1") = "9"
    & skf18("7","5","2","6","10","4","1") = "9"
    & skf18("7","5","2","6","10","5","1") = "9"
    & skf18("7","5","2","6","10","6","1") = "9"
    & skf18("7","5","2","6","10","7","1") = "9"
    & skf18("7","5","2","6","10","8","1") = "9"
    & skf18("7","5","2","6","10","9","1") = "9"
    & skf18("7","5","2","6","10","10","1") = "9"
    & skf18("7","5","2","7","1","1","1") = "6"
    & skf18("7","5","2","7","1","2","1") = "6"
    & skf18("7","5","2","7","1","3","1") = "6"
    & skf18("7","5","2","7","1","4","1") = "6"
    & skf18("7","5","2","7","1","5","1") = "6"
    & skf18("7","5","2","7","1","6","1") = "6"
    & skf18("7","5","2","7","1","7","1") = "6"
    & skf18("7","5","2","7","1","8","1") = "7"
    & skf18("7","5","2","7","1","9","1") = "8"
    & skf18("7","5","2","7","1","10","1") = "9"
    & skf18("7","5","2","7","2","1","1") = "6"
    & skf18("7","5","2","7","2","2","1") = "6"
    & skf18("7","5","2","7","2","3","1") = "6"
    & skf18("7","5","2","7","2","4","1") = "6"
    & skf18("7","5","2","7","2","5","1") = "6"
    & skf18("7","5","2","7","2","6","1") = "6"
    & skf18("7","5","2","7","2","7","1") = "6"
    & skf18("7","5","2","7","2","8","1") = "7"
    & skf18("7","5","2","7","2","9","1") = "8"
    & skf18("7","5","2","7","2","10","1") = "9"
    & skf18("7","5","2","7","3","1","1") = "6"
    & skf18("7","5","2","7","3","2","1") = "6"
    & skf18("7","5","2","7","3","3","1") = "6"
    & skf18("7","5","2","7","3","4","1") = "6"
    & skf18("7","5","2","7","3","5","1") = "6"
    & skf18("7","5","2","7","3","6","1") = "6"
    & skf18("7","5","2","7","3","7","1") = "6"
    & skf18("7","5","2","7","3","8","1") = "7"
    & skf18("7","5","2","7","3","9","1") = "8"
    & skf18("7","5","2","7","3","10","1") = "9"
    & skf18("7","5","2","7","4","1","1") = "6"
    & skf18("7","5","2","7","4","2","1") = "6"
    & skf18("7","5","2","7","4","3","1") = "6"
    & skf18("7","5","2","7","4","4","1") = "6"
    & skf18("7","5","2","7","4","5","1") = "6"
    & skf18("7","5","2","7","4","6","1") = "6"
    & skf18("7","5","2","7","4","7","1") = "6"
    & skf18("7","5","2","7","4","8","1") = "7"
    & skf18("7","5","2","7","4","9","1") = "8"
    & skf18("7","5","2","7","4","10","1") = "9"
    & skf18("7","5","2","7","5","1","1") = "6"
    & skf18("7","5","2","7","5","2","1") = "6"
    & skf18("7","5","2","7","5","3","1") = "6"
    & skf18("7","5","2","7","5","4","1") = "6"
    & skf18("7","5","2","7","5","5","1") = "6"
    & skf18("7","5","2","7","5","6","1") = "6"
    & skf18("7","5","2","7","5","7","1") = "6"
    & skf18("7","5","2","7","5","8","1") = "7"
    & skf18("7","5","2","7","5","9","1") = "8"
    & skf18("7","5","2","7","5","10","1") = "9"
    & skf18("7","5","2","7","6","1","1") = "6"
    & skf18("7","5","2","7","6","2","1") = "6"
    & skf18("7","5","2","7","6","3","1") = "6"
    & skf18("7","5","2","7","6","4","1") = "6"
    & skf18("7","5","2","7","6","5","1") = "6"
    & skf18("7","5","2","7","6","6","1") = "6"
    & skf18("7","5","2","7","6","7","1") = "6"
    & skf18("7","5","2","7","6","8","1") = "7"
    & skf18("7","5","2","7","6","9","1") = "8"
    & skf18("7","5","2","7","6","10","1") = "9"
    & skf18("7","5","2","7","7","1","1") = "6"
    & skf18("7","5","2","7","7","2","1") = "6"
    & skf18("7","5","2","7","7","3","1") = "6"
    & skf18("7","5","2","7","7","4","1") = "6"
    & skf18("7","5","2","7","7","5","1") = "6"
    & skf18("7","5","2","7","7","6","1") = "6"
    & skf18("7","5","2","7","7","7","1") = "6"
    & skf18("7","5","2","7","7","8","1") = "7"
    & skf18("7","5","2","7","7","9","1") = "8"
    & skf18("7","5","2","7","7","10","1") = "9"
    & skf18("7","5","2","7","8","1","1") = "7"
    & skf18("7","5","2","7","8","2","1") = "7"
    & skf18("7","5","2","7","8","3","1") = "7"
    & skf18("7","5","2","7","8","4","1") = "7"
    & skf18("7","5","2","7","8","5","1") = "7"
    & skf18("7","5","2","7","8","6","1") = "7"
    & skf18("7","5","2","7","8","7","1") = "7"
    & skf18("7","5","2","7","8","8","1") = "7"
    & skf18("7","5","2","7","8","9","1") = "8"
    & skf18("7","5","2","7","8","10","1") = "9"
    & skf18("7","5","2","7","9","1","1") = "8"
    & skf18("7","5","2","7","9","2","1") = "8"
    & skf18("7","5","2","7","9","3","1") = "8"
    & skf18("7","5","2","7","9","4","1") = "8"
    & skf18("7","5","2","7","9","5","1") = "8"
    & skf18("7","5","2","7","9","6","1") = "8"
    & skf18("7","5","2","7","9","7","1") = "8"
    & skf18("7","5","2","7","9","8","1") = "8"
    & skf18("7","5","2","7","9","9","1") = "8"
    & skf18("7","5","2","7","9","10","1") = "9"
    & skf18("7","5","2","7","10","1","1") = "9"
    & skf18("7","5","2","7","10","2","1") = "9"
    & skf18("7","5","2","7","10","3","1") = "9"
    & skf18("7","5","2","7","10","4","1") = "9"
    & skf18("7","5","2","7","10","5","1") = "9"
    & skf18("7","5","2","7","10","6","1") = "9"
    & skf18("7","5","2","7","10","7","1") = "9"
    & skf18("7","5","2","7","10","8","1") = "9"
    & skf18("7","5","2","7","10","9","1") = "9"
    & skf18("7","5","2","7","10","10","1") = "9"
    & skf18("7","5","2","8","1","1","1") = "7"
    & skf18("7","5","2","8","1","2","1") = "7"
    & skf18("7","5","2","8","1","3","1") = "7"
    & skf18("7","5","2","8","1","4","1") = "7"
    & skf18("7","5","2","8","1","5","1") = "7"
    & skf18("7","5","2","8","1","6","1") = "7"
    & skf18("7","5","2","8","1","7","1") = "7"
    & skf18("7","5","2","8","1","8","1") = "7"
    & skf18("7","5","2","8","1","9","1") = "8"
    & skf18("7","5","2","8","1","10","1") = "9"
    & skf18("7","5","2","8","2","1","1") = "7"
    & skf18("7","5","2","8","2","2","1") = "7"
    & skf18("7","5","2","8","2","3","1") = "7"
    & skf18("7","5","2","8","2","4","1") = "7"
    & skf18("7","5","2","8","2","5","1") = "7"
    & skf18("7","5","2","8","2","6","1") = "7"
    & skf18("7","5","2","8","2","7","1") = "7"
    & skf18("7","5","2","8","2","8","1") = "7"
    & skf18("7","5","2","8","2","9","1") = "8"
    & skf18("7","5","2","8","2","10","1") = "9"
    & skf18("7","5","2","8","3","1","1") = "7"
    & skf18("7","5","2","8","3","2","1") = "7"
    & skf18("7","5","2","8","3","3","1") = "7"
    & skf18("7","5","2","8","3","4","1") = "7"
    & skf18("7","5","2","8","3","5","1") = "7"
    & skf18("7","5","2","8","3","6","1") = "7"
    & skf18("7","5","2","8","3","7","1") = "7"
    & skf18("7","5","2","8","3","8","1") = "7"
    & skf18("7","5","2","8","3","9","1") = "8"
    & skf18("7","5","2","8","3","10","1") = "9"
    & skf18("7","5","2","8","4","1","1") = "7"
    & skf18("7","5","2","8","4","2","1") = "7"
    & skf18("7","5","2","8","4","3","1") = "7"
    & skf18("7","5","2","8","4","4","1") = "7"
    & skf18("7","5","2","8","4","5","1") = "7"
    & skf18("7","5","2","8","4","6","1") = "7"
    & skf18("7","5","2","8","4","7","1") = "7"
    & skf18("7","5","2","8","4","8","1") = "7"
    & skf18("7","5","2","8","4","9","1") = "8"
    & skf18("7","5","2","8","4","10","1") = "9"
    & skf18("7","5","2","8","5","1","1") = "7"
    & skf18("7","5","2","8","5","2","1") = "7"
    & skf18("7","5","2","8","5","3","1") = "7"
    & skf18("7","5","2","8","5","4","1") = "7"
    & skf18("7","5","2","8","5","5","1") = "7"
    & skf18("7","5","2","8","5","6","1") = "7"
    & skf18("7","5","2","8","5","7","1") = "7"
    & skf18("7","5","2","8","5","8","1") = "7"
    & skf18("7","5","2","8","5","9","1") = "8"
    & skf18("7","5","2","8","5","10","1") = "9"
    & skf18("7","5","2","8","6","1","1") = "7"
    & skf18("7","5","2","8","6","2","1") = "7"
    & skf18("7","5","2","8","6","3","1") = "7"
    & skf18("7","5","2","8","6","4","1") = "7"
    & skf18("7","5","2","8","6","5","1") = "7"
    & skf18("7","5","2","8","6","6","1") = "7"
    & skf18("7","5","2","8","6","7","1") = "7"
    & skf18("7","5","2","8","6","8","1") = "7"
    & skf18("7","5","2","8","6","9","1") = "8"
    & skf18("7","5","2","8","6","10","1") = "9"
    & skf18("7","5","2","8","7","1","1") = "7"
    & skf18("7","5","2","8","7","2","1") = "7"
    & skf18("7","5","2","8","7","3","1") = "7"
    & skf18("7","5","2","8","7","4","1") = "7"
    & skf18("7","5","2","8","7","5","1") = "7"
    & skf18("7","5","2","8","7","6","1") = "7"
    & skf18("7","5","2","8","7","7","1") = "7"
    & skf18("7","5","2","8","7","8","1") = "7"
    & skf18("7","5","2","8","7","9","1") = "8"
    & skf18("7","5","2","8","7","10","1") = "9"
    & skf18("7","5","2","8","8","1","1") = "7"
    & skf18("7","5","2","8","8","2","1") = "7"
    & skf18("7","5","2","8","8","3","1") = "7"
    & skf18("7","5","2","8","8","4","1") = "7"
    & skf18("7","5","2","8","8","5","1") = "7"
    & skf18("7","5","2","8","8","6","1") = "7"
    & skf18("7","5","2","8","8","7","1") = "7"
    & skf18("7","5","2","8","8","8","1") = "7"
    & skf18("7","5","2","8","8","9","1") = "8"
    & skf18("7","5","2","8","8","10","1") = "9"
    & skf18("7","5","2","8","9","1","1") = "8"
    & skf18("7","5","2","8","9","2","1") = "8"
    & skf18("7","5","2","8","9","3","1") = "8"
    & skf18("7","5","2","8","9","4","1") = "8"
    & skf18("7","5","2","8","9","5","1") = "8"
    & skf18("7","5","2","8","9","6","1") = "8"
    & skf18("7","5","2","8","9","7","1") = "8"
    & skf18("7","5","2","8","9","8","1") = "8"
    & skf18("7","5","2","8","9","9","1") = "8"
    & skf18("7","5","2","8","9","10","1") = "9"
    & skf18("7","5","2","8","10","1","1") = "9"
    & skf18("7","5","2","8","10","2","1") = "9"
    & skf18("7","5","2","8","10","3","1") = "9"
    & skf18("7","5","2","8","10","4","1") = "9"
    & skf18("7","5","2","8","10","5","1") = "9"
    & skf18("7","5","2","8","10","6","1") = "9"
    & skf18("7","5","2","8","10","7","1") = "9"
    & skf18("7","5","2","8","10","8","1") = "9"
    & skf18("7","5","2","8","10","9","1") = "9"
    & skf18("7","5","2","8","10","10","1") = "9"
    & skf18("7","5","2","9","1","1","1") = "8"
    & skf18("7","5","2","9","1","2","1") = "8"
    & skf18("7","5","2","9","1","3","1") = "8"
    & skf18("7","5","2","9","1","4","1") = "8"
    & skf18("7","5","2","9","1","5","1") = "8"
    & skf18("7","5","2","9","1","6","1") = "8"
    & skf18("7","5","2","9","1","7","1") = "8"
    & skf18("7","5","2","9","1","8","1") = "8"
    & skf18("7","5","2","9","1","9","1") = "8"
    & skf18("7","5","2","9","1","10","1") = "9"
    & skf18("7","5","2","9","2","1","1") = "8"
    & skf18("7","5","2","9","2","2","1") = "8"
    & skf18("7","5","2","9","2","3","1") = "8"
    & skf18("7","5","2","9","2","4","1") = "8"
    & skf18("7","5","2","9","2","5","1") = "8"
    & skf18("7","5","2","9","2","6","1") = "8"
    & skf18("7","5","2","9","2","7","1") = "8"
    & skf18("7","5","2","9","2","8","1") = "8"
    & skf18("7","5","2","9","2","9","1") = "8"
    & skf18("7","5","2","9","2","10","1") = "9"
    & skf18("7","5","2","9","3","1","1") = "8"
    & skf18("7","5","2","9","3","2","1") = "8"
    & skf18("7","5","2","9","3","3","1") = "8"
    & skf18("7","5","2","9","3","4","1") = "8"
    & skf18("7","5","2","9","3","5","1") = "8"
    & skf18("7","5","2","9","3","6","1") = "8"
    & skf18("7","5","2","9","3","7","1") = "8"
    & skf18("7","5","2","9","3","8","1") = "8"
    & skf18("7","5","2","9","3","9","1") = "8"
    & skf18("7","5","2","9","3","10","1") = "9"
    & skf18("7","5","2","9","4","1","1") = "8"
    & skf18("7","5","2","9","4","2","1") = "8"
    & skf18("7","5","2","9","4","3","1") = "8"
    & skf18("7","5","2","9","4","4","1") = "8"
    & skf18("7","5","2","9","4","5","1") = "8"
    & skf18("7","5","2","9","4","6","1") = "8"
    & skf18("7","5","2","9","4","7","1") = "8"
    & skf18("7","5","2","9","4","8","1") = "8"
    & skf18("7","5","2","9","4","9","1") = "8"
    & skf18("7","5","2","9","4","10","1") = "9"
    & skf18("7","5","2","9","5","1","1") = "8"
    & skf18("7","5","2","9","5","2","1") = "8"
    & skf18("7","5","2","9","5","3","1") = "8"
    & skf18("7","5","2","9","5","4","1") = "8"
    & skf18("7","5","2","9","5","5","1") = "8"
    & skf18("7","5","2","9","5","6","1") = "8"
    & skf18("7","5","2","9","5","7","1") = "8"
    & skf18("7","5","2","9","5","8","1") = "8"
    & skf18("7","5","2","9","5","9","1") = "8"
    & skf18("7","5","2","9","5","10","1") = "9"
    & skf18("7","5","2","9","6","1","1") = "8"
    & skf18("7","5","2","9","6","2","1") = "8"
    & skf18("7","5","2","9","6","3","1") = "8"
    & skf18("7","5","2","9","6","4","1") = "8"
    & skf18("7","5","2","9","6","5","1") = "8"
    & skf18("7","5","2","9","6","6","1") = "8"
    & skf18("7","5","2","9","6","7","1") = "8"
    & skf18("7","5","2","9","6","8","1") = "8"
    & skf18("7","5","2","9","6","9","1") = "8"
    & skf18("7","5","2","9","6","10","1") = "9"
    & skf18("7","5","2","9","7","1","1") = "8"
    & skf18("7","5","2","9","7","2","1") = "8"
    & skf18("7","5","2","9","7","3","1") = "8"
    & skf18("7","5","2","9","7","4","1") = "8"
    & skf18("7","5","2","9","7","5","1") = "8"
    & skf18("7","5","2","9","7","6","1") = "8"
    & skf18("7","5","2","9","7","7","1") = "8"
    & skf18("7","5","2","9","7","8","1") = "8"
    & skf18("7","5","2","9","7","9","1") = "8"
    & skf18("7","5","2","9","7","10","1") = "9"
    & skf18("7","5","2","9","8","1","1") = "8"
    & skf18("7","5","2","9","8","2","1") = "8"
    & skf18("7","5","2","9","8","3","1") = "8"
    & skf18("7","5","2","9","8","4","1") = "8"
    & skf18("7","5","2","9","8","5","1") = "8"
    & skf18("7","5","2","9","8","6","1") = "8"
    & skf18("7","5","2","9","8","7","1") = "8"
    & skf18("7","5","2","9","8","8","1") = "8"
    & skf18("7","5","2","9","8","9","1") = "8"
    & skf18("7","5","2","9","8","10","1") = "9"
    & skf18("7","5","2","9","9","1","1") = "8"
    & skf18("7","5","2","9","9","2","1") = "8"
    & skf18("7","5","2","9","9","3","1") = "8"
    & skf18("7","5","2","9","9","4","1") = "8"
    & skf18("7","5","2","9","9","5","1") = "8"
    & skf18("7","5","2","9","9","6","1") = "8"
    & skf18("7","5","2","9","9","7","1") = "8"
    & skf18("7","5","2","9","9","8","1") = "8"
    & skf18("7","5","2","9","9","9","1") = "8"
    & skf18("7","5","2","9","9","10","1") = "9"
    & skf18("7","5","2","9","10","1","1") = "9"
    & skf18("7","5","2","9","10","2","1") = "9"
    & skf18("7","5","2","9","10","3","1") = "9"
    & skf18("7","5","2","9","10","4","1") = "9"
    & skf18("7","5","2","9","10","5","1") = "9"
    & skf18("7","5","2","9","10","6","1") = "9"
    & skf18("7","5","2","9","10","7","1") = "9"
    & skf18("7","5","2","9","10","8","1") = "9"
    & skf18("7","5","2","9","10","9","1") = "9"
    & skf18("7","5","2","9","10","10","1") = "9"
    & skf18("7","5","2","10","1","1","1") = "9"
    & skf18("7","5","2","10","1","2","1") = "9"
    & skf18("7","5","2","10","1","3","1") = "9"
    & skf18("7","5","2","10","1","4","1") = "9"
    & skf18("7","5","2","10","1","5","1") = "9"
    & skf18("7","5","2","10","1","6","1") = "9"
    & skf18("7","5","2","10","1","7","1") = "9"
    & skf18("7","5","2","10","1","8","1") = "9"
    & skf18("7","5","2","10","1","9","1") = "9"
    & skf18("7","5","2","10","1","10","1") = "9"
    & skf18("7","5","2","10","2","1","1") = "9"
    & skf18("7","5","2","10","2","2","1") = "9"
    & skf18("7","5","2","10","2","3","1") = "9"
    & skf18("7","5","2","10","2","4","1") = "9"
    & skf18("7","5","2","10","2","5","1") = "9"
    & skf18("7","5","2","10","2","6","1") = "9"
    & skf18("7","5","2","10","2","7","1") = "9"
    & skf18("7","5","2","10","2","8","1") = "9"
    & skf18("7","5","2","10","2","9","1") = "9"
    & skf18("7","5","2","10","2","10","1") = "9"
    & skf18("7","5","2","10","3","1","1") = "9"
    & skf18("7","5","2","10","3","2","1") = "9"
    & skf18("7","5","2","10","3","3","1") = "9"
    & skf18("7","5","2","10","3","4","1") = "9"
    & skf18("7","5","2","10","3","5","1") = "9"
    & skf18("7","5","2","10","3","6","1") = "9"
    & skf18("7","5","2","10","3","7","1") = "9"
    & skf18("7","5","2","10","3","8","1") = "9"
    & skf18("7","5","2","10","3","9","1") = "9"
    & skf18("7","5","2","10","3","10","1") = "9"
    & skf18("7","5","2","10","4","1","1") = "9"
    & skf18("7","5","2","10","4","2","1") = "9"
    & skf18("7","5","2","10","4","3","1") = "9"
    & skf18("7","5","2","10","4","4","1") = "9"
    & skf18("7","5","2","10","4","5","1") = "9"
    & skf18("7","5","2","10","4","6","1") = "9"
    & skf18("7","5","2","10","4","7","1") = "9"
    & skf18("7","5","2","10","4","8","1") = "9"
    & skf18("7","5","2","10","4","9","1") = "9"
    & skf18("7","5","2","10","4","10","1") = "9"
    & skf18("7","5","2","10","5","1","1") = "9"
    & skf18("7","5","2","10","5","2","1") = "9"
    & skf18("7","5","2","10","5","3","1") = "9"
    & skf18("7","5","2","10","5","4","1") = "9"
    & skf18("7","5","2","10","5","5","1") = "9"
    & skf18("7","5","2","10","5","6","1") = "9"
    & skf18("7","5","2","10","5","7","1") = "9"
    & skf18("7","5","2","10","5","8","1") = "9"
    & skf18("7","5","2","10","5","9","1") = "9"
    & skf18("7","5","2","10","5","10","1") = "9"
    & skf18("7","5","2","10","6","1","1") = "9"
    & skf18("7","5","2","10","6","2","1") = "9"
    & skf18("7","5","2","10","6","3","1") = "9"
    & skf18("7","5","2","10","6","4","1") = "9"
    & skf18("7","5","2","10","6","5","1") = "9"
    & skf18("7","5","2","10","6","6","1") = "9"
    & skf18("7","5","2","10","6","7","1") = "9"
    & skf18("7","5","2","10","6","8","1") = "9"
    & skf18("7","5","2","10","6","9","1") = "9"
    & skf18("7","5","2","10","6","10","1") = "9"
    & skf18("7","5","2","10","7","1","1") = "9"
    & skf18("7","5","2","10","7","2","1") = "9"
    & skf18("7","5","2","10","7","3","1") = "9"
    & skf18("7","5","2","10","7","4","1") = "9"
    & skf18("7","5","2","10","7","5","1") = "9"
    & skf18("7","5","2","10","7","6","1") = "9"
    & skf18("7","5","2","10","7","7","1") = "9"
    & skf18("7","5","2","10","7","8","1") = "9"
    & skf18("7","5","2","10","7","9","1") = "9"
    & skf18("7","5","2","10","7","10","1") = "9"
    & skf18("7","5","2","10","8","1","1") = "9"
    & skf18("7","5","2","10","8","2","1") = "9"
    & skf18("7","5","2","10","8","3","1") = "9"
    & skf18("7","5","2","10","8","4","1") = "9"
    & skf18("7","5","2","10","8","5","1") = "9"
    & skf18("7","5","2","10","8","6","1") = "9"
    & skf18("7","5","2","10","8","7","1") = "9"
    & skf18("7","5","2","10","8","8","1") = "9"
    & skf18("7","5","2","10","8","9","1") = "9"
    & skf18("7","5","2","10","8","10","1") = "9"
    & skf18("7","5","2","10","9","1","1") = "9"
    & skf18("7","5","2","10","9","2","1") = "9"
    & skf18("7","5","2","10","9","3","1") = "9"
    & skf18("7","5","2","10","9","4","1") = "9"
    & skf18("7","5","2","10","9","5","1") = "9"
    & skf18("7","5","2","10","9","6","1") = "9"
    & skf18("7","5","2","10","9","7","1") = "9"
    & skf18("7","5","2","10","9","8","1") = "9"
    & skf18("7","5","2","10","9","9","1") = "9"
    & skf18("7","5","2","10","9","10","1") = "9"
    & skf18("7","5","2","10","10","1","1") = "9"
    & skf18("7","5","2","10","10","2","1") = "9"
    & skf18("7","5","2","10","10","3","1") = "9"
    & skf18("7","5","2","10","10","4","1") = "9"
    & skf18("7","5","2","10","10","5","1") = "9"
    & skf18("7","5","2","10","10","6","1") = "9"
    & skf18("7","5","2","10","10","7","1") = "9"
    & skf18("7","5","2","10","10","8","1") = "9"
    & skf18("7","5","2","10","10","9","1") = "9"
    & skf18("7","5","2","10","10","10","1") = "9"
    & skf18("7","5","3","1","1","1","1") = "6"
    & skf18("7","5","3","1","1","2","1") = "6"
    & skf18("7","5","3","1","1","3","1") = "6"
    & skf18("7","5","3","1","1","4","1") = "6"
    & skf18("7","5","3","1","1","5","1") = "6"
    & skf18("7","5","3","1","1","6","1") = "6"
    & skf18("7","5","3","1","1","7","1") = "6"
    & skf18("7","5","3","1","1","8","1") = "7"
    & skf18("7","5","3","1","1","9","1") = "8"
    & skf18("7","5","3","1","1","10","1") = "9"
    & skf18("7","5","3","1","2","1","1") = "6"
    & skf18("7","5","3","1","2","2","1") = "6"
    & skf18("7","5","3","1","2","3","1") = "6"
    & skf18("7","5","3","1","2","4","1") = "6"
    & skf18("7","5","3","1","2","5","1") = "6"
    & skf18("7","5","3","1","2","6","1") = "6"
    & skf18("7","5","3","1","2","7","1") = "6"
    & skf18("7","5","3","1","2","8","1") = "7"
    & skf18("7","5","3","1","2","9","1") = "8"
    & skf18("7","5","3","1","2","10","1") = "9"
    & skf18("7","5","3","1","3","1","1") = "6"
    & skf18("7","5","3","1","3","2","1") = "6"
    & skf18("7","5","3","1","3","3","1") = "6"
    & skf18("7","5","3","1","3","4","1") = "6"
    & skf18("7","5","3","1","3","5","1") = "6"
    & skf18("7","5","3","1","3","6","1") = "6"
    & skf18("7","5","3","1","3","7","1") = "6"
    & skf18("7","5","3","1","3","8","1") = "7"
    & skf18("7","5","3","1","3","9","1") = "8"
    & skf18("7","5","3","1","3","10","1") = "9"
    & skf18("7","5","3","1","4","1","1") = "6"
    & skf18("7","5","3","1","4","2","1") = "6"
    & skf18("7","5","3","1","4","3","1") = "6"
    & skf18("7","5","3","1","4","4","1") = "6"
    & skf18("7","5","3","1","4","5","1") = "6"
    & skf18("7","5","3","1","4","6","1") = "6"
    & skf18("7","5","3","1","4","7","1") = "6"
    & skf18("7","5","3","1","4","8","1") = "7"
    & skf18("7","5","3","1","4","9","1") = "8"
    & skf18("7","5","3","1","4","10","1") = "9"
    & skf18("7","5","3","1","5","1","1") = "6"
    & skf18("7","5","3","1","5","2","1") = "6"
    & skf18("7","5","3","1","5","3","1") = "6"
    & skf18("7","5","3","1","5","4","1") = "6"
    & skf18("7","5","3","1","5","5","1") = "6"
    & skf18("7","5","3","1","5","6","1") = "6"
    & skf18("7","5","3","1","5","7","1") = "6"
    & skf18("7","5","3","1","5","8","1") = "7"
    & skf18("7","5","3","1","5","9","1") = "8"
    & skf18("7","5","3","1","5","10","1") = "9"
    & skf18("7","5","3","1","6","1","1") = "6"
    & skf18("7","5","3","1","6","2","1") = "6"
    & skf18("7","5","3","1","6","3","1") = "6"
    & skf18("7","5","3","1","6","4","1") = "6"
    & skf18("7","5","3","1","6","5","1") = "6"
    & skf18("7","5","3","1","6","6","1") = "6"
    & skf18("7","5","3","1","6","7","1") = "6"
    & skf18("7","5","3","1","6","8","1") = "7"
    & skf18("7","5","3","1","6","9","1") = "8"
    & skf18("7","5","3","1","6","10","1") = "9"
    & skf18("7","5","3","1","7","1","1") = "6"
    & skf18("7","5","3","1","7","2","1") = "6"
    & skf18("7","5","3","1","7","3","1") = "6"
    & skf18("7","5","3","1","7","4","1") = "6"
    & skf18("7","5","3","1","7","5","1") = "6"
    & skf18("7","5","3","1","7","6","1") = "6"
    & skf18("7","5","3","1","7","7","1") = "6"
    & skf18("7","5","3","1","7","8","1") = "7"
    & skf18("7","5","3","1","7","9","1") = "8"
    & skf18("7","5","3","1","7","10","1") = "9"
    & skf18("7","5","3","1","8","1","1") = "7"
    & skf18("7","5","3","1","8","2","1") = "7"
    & skf18("7","5","3","1","8","3","1") = "7"
    & skf18("7","5","3","1","8","4","1") = "7"
    & skf18("7","5","3","1","8","5","1") = "7"
    & skf18("7","5","3","1","8","6","1") = "7"
    & skf18("7","5","3","1","8","7","1") = "7"
    & skf18("7","5","3","1","8","8","1") = "7"
    & skf18("7","5","3","1","8","9","1") = "8"
    & skf18("7","5","3","1","8","10","1") = "9"
    & skf18("7","5","3","1","9","1","1") = "8"
    & skf18("7","5","3","1","9","2","1") = "8"
    & skf18("7","5","3","1","9","3","1") = "8"
    & skf18("7","5","3","1","9","4","1") = "8"
    & skf18("7","5","3","1","9","5","1") = "8"
    & skf18("7","5","3","1","9","6","1") = "8"
    & skf18("7","5","3","1","9","7","1") = "8"
    & skf18("7","5","3","1","9","8","1") = "8"
    & skf18("7","5","3","1","9","9","1") = "8"
    & skf18("7","5","3","1","9","10","1") = "9"
    & skf18("7","5","3","1","10","1","1") = "9"
    & skf18("7","5","3","1","10","2","1") = "9"
    & skf18("7","5","3","1","10","3","1") = "9"
    & skf18("7","5","3","1","10","4","1") = "9"
    & skf18("7","5","3","1","10","5","1") = "9"
    & skf18("7","5","3","1","10","6","1") = "9"
    & skf18("7","5","3","1","10","7","1") = "9"
    & skf18("7","5","3","1","10","8","1") = "9"
    & skf18("7","5","3","1","10","9","1") = "9"
    & skf18("7","5","3","1","10","10","1") = "9"
    & skf18("7","5","3","2","1","1","1") = "6"
    & skf18("7","5","3","2","1","2","1") = "6"
    & skf18("7","5","3","2","1","3","1") = "6"
    & skf18("7","5","3","2","1","4","1") = "6"
    & skf18("7","5","3","2","1","5","1") = "6"
    & skf18("7","5","3","2","1","6","1") = "6"
    & skf18("7","5","3","2","1","7","1") = "6"
    & skf18("7","5","3","2","1","8","1") = "7"
    & skf18("7","5","3","2","1","9","1") = "8"
    & skf18("7","5","3","2","1","10","1") = "9"
    & skf18("7","5","3","2","2","1","1") = "6"
    & skf18("7","5","3","2","2","2","1") = "6"
    & skf18("7","5","3","2","2","3","1") = "6"
    & skf18("7","5","3","2","2","4","1") = "6"
    & skf18("7","5","3","2","2","5","1") = "6"
    & skf18("7","5","3","2","2","6","1") = "6"
    & skf18("7","5","3","2","2","7","1") = "6"
    & skf18("7","5","3","2","2","8","1") = "7"
    & skf18("7","5","3","2","2","9","1") = "8"
    & skf18("7","5","3","2","2","10","1") = "9"
    & skf18("7","5","3","2","3","1","1") = "6"
    & skf18("7","5","3","2","3","2","1") = "6"
    & skf18("7","5","3","2","3","3","1") = "6"
    & skf18("7","5","3","2","3","4","1") = "6"
    & skf18("7","5","3","2","3","5","1") = "6"
    & skf18("7","5","3","2","3","6","1") = "6"
    & skf18("7","5","3","2","3","7","1") = "6"
    & skf18("7","5","3","2","3","8","1") = "7"
    & skf18("7","5","3","2","3","9","1") = "8"
    & skf18("7","5","3","2","3","10","1") = "9"
    & skf18("7","5","3","2","4","1","1") = "6"
    & skf18("7","5","3","2","4","2","1") = "6"
    & skf18("7","5","3","2","4","3","1") = "6"
    & skf18("7","5","3","2","4","4","1") = "6"
    & skf18("7","5","3","2","4","5","1") = "6"
    & skf18("7","5","3","2","4","6","1") = "6"
    & skf18("7","5","3","2","4","7","1") = "6"
    & skf18("7","5","3","2","4","8","1") = "7"
    & skf18("7","5","3","2","4","9","1") = "8"
    & skf18("7","5","3","2","4","10","1") = "9"
    & skf18("7","5","3","2","5","1","1") = "6"
    & skf18("7","5","3","2","5","2","1") = "6"
    & skf18("7","5","3","2","5","3","1") = "6"
    & skf18("7","5","3","2","5","4","1") = "6"
    & skf18("7","5","3","2","5","5","1") = "6"
    & skf18("7","5","3","2","5","6","1") = "6"
    & skf18("7","5","3","2","5","7","1") = "6"
    & skf18("7","5","3","2","5","8","1") = "7"
    & skf18("7","5","3","2","5","9","1") = "8"
    & skf18("7","5","3","2","5","10","1") = "9"
    & skf18("7","5","3","2","6","1","1") = "6"
    & skf18("7","5","3","2","6","2","1") = "6"
    & skf18("7","5","3","2","6","3","1") = "6"
    & skf18("7","5","3","2","6","4","1") = "6"
    & skf18("7","5","3","2","6","5","1") = "6"
    & skf18("7","5","3","2","6","6","1") = "6"
    & skf18("7","5","3","2","6","7","1") = "6"
    & skf18("7","5","3","2","6","8","1") = "7"
    & skf18("7","5","3","2","6","9","1") = "8"
    & skf18("7","5","3","2","6","10","1") = "9"
    & skf18("7","5","3","2","7","1","1") = "6"
    & skf18("7","5","3","2","7","2","1") = "6"
    & skf18("7","5","3","2","7","3","1") = "6"
    & skf18("7","5","3","2","7","4","1") = "6"
    & skf18("7","5","3","2","7","5","1") = "6"
    & skf18("7","5","3","2","7","6","1") = "6"
    & skf18("7","5","3","2","7","7","1") = "6"
    & skf18("7","5","3","2","7","8","1") = "7"
    & skf18("7","5","3","2","7","9","1") = "8"
    & skf18("7","5","3","2","7","10","1") = "9"
    & skf18("7","5","3","2","8","1","1") = "7"
    & skf18("7","5","3","2","8","2","1") = "7"
    & skf18("7","5","3","2","8","3","1") = "7"
    & skf18("7","5","3","2","8","4","1") = "7"
    & skf18("7","5","3","2","8","5","1") = "7"
    & skf18("7","5","3","2","8","6","1") = "7"
    & skf18("7","5","3","2","8","7","1") = "7"
    & skf18("7","5","3","2","8","8","1") = "7"
    & skf18("7","5","3","2","8","9","1") = "8"
    & skf18("7","5","3","2","8","10","1") = "9"
    & skf18("7","5","3","2","9","1","1") = "8"
    & skf18("7","5","3","2","9","2","1") = "8"
    & skf18("7","5","3","2","9","3","1") = "8"
    & skf18("7","5","3","2","9","4","1") = "8"
    & skf18("7","5","3","2","9","5","1") = "8"
    & skf18("7","5","3","2","9","6","1") = "8"
    & skf18("7","5","3","2","9","7","1") = "8"
    & skf18("7","5","3","2","9","8","1") = "8"
    & skf18("7","5","3","2","9","9","1") = "8"
    & skf18("7","5","3","2","9","10","1") = "9"
    & skf18("7","5","3","2","10","1","1") = "9"
    & skf18("7","5","3","2","10","2","1") = "9"
    & skf18("7","5","3","2","10","3","1") = "9"
    & skf18("7","5","3","2","10","4","1") = "9"
    & skf18("7","5","3","2","10","5","1") = "9"
    & skf18("7","5","3","2","10","6","1") = "9"
    & skf18("7","5","3","2","10","7","1") = "9"
    & skf18("7","5","3","2","10","8","1") = "9"
    & skf18("7","5","3","2","10","9","1") = "9"
    & skf18("7","5","3","2","10","10","1") = "9"
    & skf18("7","5","3","3","1","1","1") = "6"
    & skf18("7","5","3","3","1","2","1") = "6"
    & skf18("7","5","3","3","1","3","1") = "6"
    & skf18("7","5","3","3","1","4","1") = "6"
    & skf18("7","5","3","3","1","5","1") = "6"
    & skf18("7","5","3","3","1","6","1") = "6"
    & skf18("7","5","3","3","1","7","1") = "6"
    & skf18("7","5","3","3","1","8","1") = "7"
    & skf18("7","5","3","3","1","9","1") = "8"
    & skf18("7","5","3","3","1","10","1") = "9"
    & skf18("7","5","3","3","2","1","1") = "6"
    & skf18("7","5","3","3","2","2","1") = "6"
    & skf18("7","5","3","3","2","3","1") = "6"
    & skf18("7","5","3","3","2","4","1") = "6"
    & skf18("7","5","3","3","2","5","1") = "6"
    & skf18("7","5","3","3","2","6","1") = "6"
    & skf18("7","5","3","3","2","7","1") = "6"
    & skf18("7","5","3","3","2","8","1") = "7"
    & skf18("7","5","3","3","2","9","1") = "8"
    & skf18("7","5","3","3","2","10","1") = "9"
    & skf18("7","5","3","3","3","1","1") = "6"
    & skf18("7","5","3","3","3","2","1") = "6"
    & skf18("7","5","3","3","3","3","1") = "6"
    & skf18("7","5","3","3","3","4","1") = "6"
    & skf18("7","5","3","3","3","5","1") = "6"
    & skf18("7","5","3","3","3","6","1") = "6"
    & skf18("7","5","3","3","3","7","1") = "6"
    & skf18("7","5","3","3","3","8","1") = "7"
    & skf18("7","5","3","3","3","9","1") = "8"
    & skf18("7","5","3","3","3","10","1") = "9"
    & skf18("7","5","3","3","4","1","1") = "6"
    & skf18("7","5","3","3","4","2","1") = "6"
    & skf18("7","5","3","3","4","3","1") = "6"
    & skf18("7","5","3","3","4","4","1") = "6"
    & skf18("7","5","3","3","4","5","1") = "6"
    & skf18("7","5","3","3","4","6","1") = "6"
    & skf18("7","5","3","3","4","7","1") = "6"
    & skf18("7","5","3","3","4","8","1") = "7"
    & skf18("7","5","3","3","4","9","1") = "8"
    & skf18("7","5","3","3","4","10","1") = "9"
    & skf18("7","5","3","3","5","1","1") = "6"
    & skf18("7","5","3","3","5","2","1") = "6"
    & skf18("7","5","3","3","5","3","1") = "6"
    & skf18("7","5","3","3","5","4","1") = "6"
    & skf18("7","5","3","3","5","5","1") = "6"
    & skf18("7","5","3","3","5","6","1") = "6"
    & skf18("7","5","3","3","5","7","1") = "6"
    & skf18("7","5","3","3","5","8","1") = "7"
    & skf18("7","5","3","3","5","9","1") = "8"
    & skf18("7","5","3","3","5","10","1") = "9"
    & skf18("7","5","3","3","6","1","1") = "6"
    & skf18("7","5","3","3","6","2","1") = "6"
    & skf18("7","5","3","3","6","3","1") = "6"
    & skf18("7","5","3","3","6","4","1") = "6"
    & skf18("7","5","3","3","6","5","1") = "6"
    & skf18("7","5","3","3","6","6","1") = "6"
    & skf18("7","5","3","3","6","7","1") = "6"
    & skf18("7","5","3","3","6","8","1") = "7"
    & skf18("7","5","3","3","6","9","1") = "8"
    & skf18("7","5","3","3","6","10","1") = "9"
    & skf18("7","5","3","3","7","1","1") = "6"
    & skf18("7","5","3","3","7","2","1") = "6"
    & skf18("7","5","3","3","7","3","1") = "6"
    & skf18("7","5","3","3","7","4","1") = "6"
    & skf18("7","5","3","3","7","5","1") = "6"
    & skf18("7","5","3","3","7","6","1") = "6"
    & skf18("7","5","3","3","7","7","1") = "6"
    & skf18("7","5","3","3","7","8","1") = "7"
    & skf18("7","5","3","3","7","9","1") = "8"
    & skf18("7","5","3","3","7","10","1") = "9"
    & skf18("7","5","3","3","8","1","1") = "7"
    & skf18("7","5","3","3","8","2","1") = "7"
    & skf18("7","5","3","3","8","3","1") = "7"
    & skf18("7","5","3","3","8","4","1") = "7"
    & skf18("7","5","3","3","8","5","1") = "7"
    & skf18("7","5","3","3","8","6","1") = "7"
    & skf18("7","5","3","3","8","7","1") = "7"
    & skf18("7","5","3","3","8","8","1") = "7"
    & skf18("7","5","3","3","8","9","1") = "8"
    & skf18("7","5","3","3","8","10","1") = "9"
    & skf18("7","5","3","3","9","1","1") = "8"
    & skf18("7","5","3","3","9","2","1") = "8"
    & skf18("7","5","3","3","9","3","1") = "8"
    & skf18("7","5","3","3","9","4","1") = "8"
    & skf18("7","5","3","3","9","5","1") = "8"
    & skf18("7","5","3","3","9","6","1") = "8"
    & skf18("7","5","3","3","9","7","1") = "8"
    & skf18("7","5","3","3","9","8","1") = "8"
    & skf18("7","5","3","3","9","9","1") = "8"
    & skf18("7","5","3","3","9","10","1") = "9"
    & skf18("7","5","3","3","10","1","1") = "9"
    & skf18("7","5","3","3","10","2","1") = "9"
    & skf18("7","5","3","3","10","3","1") = "9"
    & skf18("7","5","3","3","10","4","1") = "9"
    & skf18("7","5","3","3","10","5","1") = "9"
    & skf18("7","5","3","3","10","6","1") = "9"
    & skf18("7","5","3","3","10","7","1") = "9"
    & skf18("7","5","3","3","10","8","1") = "9"
    & skf18("7","5","3","3","10","9","1") = "9"
    & skf18("7","5","3","3","10","10","1") = "9"
    & skf18("7","5","3","4","1","1","1") = "6"
    & skf18("7","5","3","4","1","2","1") = "6"
    & skf18("7","5","3","4","1","3","1") = "6"
    & skf18("7","5","3","4","1","4","1") = "6"
    & skf18("7","5","3","4","1","5","1") = "6"
    & skf18("7","5","3","4","1","6","1") = "6"
    & skf18("7","5","3","4","1","7","1") = "6"
    & skf18("7","5","3","4","1","8","1") = "7"
    & skf18("7","5","3","4","1","9","1") = "8"
    & skf18("7","5","3","4","1","10","1") = "9"
    & skf18("7","5","3","4","2","1","1") = "6"
    & skf18("7","5","3","4","2","2","1") = "6"
    & skf18("7","5","3","4","2","3","1") = "6"
    & skf18("7","5","3","4","2","4","1") = "6"
    & skf18("7","5","3","4","2","5","1") = "6"
    & skf18("7","5","3","4","2","6","1") = "6"
    & skf18("7","5","3","4","2","7","1") = "6"
    & skf18("7","5","3","4","2","8","1") = "7"
    & skf18("7","5","3","4","2","9","1") = "8"
    & skf18("7","5","3","4","2","10","1") = "9"
    & skf18("7","5","3","4","3","1","1") = "6"
    & skf18("7","5","3","4","3","2","1") = "6"
    & skf18("7","5","3","4","3","3","1") = "6"
    & skf18("7","5","3","4","3","4","1") = "6"
    & skf18("7","5","3","4","3","5","1") = "6"
    & skf18("7","5","3","4","3","6","1") = "6"
    & skf18("7","5","3","4","3","7","1") = "6"
    & skf18("7","5","3","4","3","8","1") = "7"
    & skf18("7","5","3","4","3","9","1") = "8"
    & skf18("7","5","3","4","3","10","1") = "9"
    & skf18("7","5","3","4","4","1","1") = "6"
    & skf18("7","5","3","4","4","2","1") = "6"
    & skf18("7","5","3","4","4","3","1") = "6"
    & skf18("7","5","3","4","4","4","1") = "6"
    & skf18("7","5","3","4","4","5","1") = "6"
    & skf18("7","5","3","4","4","6","1") = "6"
    & skf18("7","5","3","4","4","7","1") = "6"
    & skf18("7","5","3","4","4","8","1") = "7"
    & skf18("7","5","3","4","4","9","1") = "8"
    & skf18("7","5","3","4","4","10","1") = "9"
    & skf18("7","5","3","4","5","1","1") = "6"
    & skf18("7","5","3","4","5","2","1") = "6"
    & skf18("7","5","3","4","5","3","1") = "6"
    & skf18("7","5","3","4","5","4","1") = "6"
    & skf18("7","5","3","4","5","5","1") = "6"
    & skf18("7","5","3","4","5","6","1") = "6"
    & skf18("7","5","3","4","5","7","1") = "6"
    & skf18("7","5","3","4","5","8","1") = "7"
    & skf18("7","5","3","4","5","9","1") = "8"
    & skf18("7","5","3","4","5","10","1") = "9"
    & skf18("7","5","3","4","6","1","1") = "6"
    & skf18("7","5","3","4","6","2","1") = "6"
    & skf18("7","5","3","4","6","3","1") = "6"
    & skf18("7","5","3","4","6","4","1") = "6"
    & skf18("7","5","3","4","6","5","1") = "6"
    & skf18("7","5","3","4","6","6","1") = "6"
    & skf18("7","5","3","4","6","7","1") = "6"
    & skf18("7","5","3","4","6","8","1") = "7"
    & skf18("7","5","3","4","6","9","1") = "8"
    & skf18("7","5","3","4","6","10","1") = "9"
    & skf18("7","5","3","4","7","1","1") = "6"
    & skf18("7","5","3","4","7","2","1") = "6"
    & skf18("7","5","3","4","7","3","1") = "6"
    & skf18("7","5","3","4","7","4","1") = "6"
    & skf18("7","5","3","4","7","5","1") = "6"
    & skf18("7","5","3","4","7","6","1") = "6"
    & skf18("7","5","3","4","7","7","1") = "6"
    & skf18("7","5","3","4","7","8","1") = "7"
    & skf18("7","5","3","4","7","9","1") = "8"
    & skf18("7","5","3","4","7","10","1") = "9"
    & skf18("7","5","3","4","8","1","1") = "7"
    & skf18("7","5","3","4","8","2","1") = "7"
    & skf18("7","5","3","4","8","3","1") = "7"
    & skf18("7","5","3","4","8","4","1") = "7"
    & skf18("7","5","3","4","8","5","1") = "7"
    & skf18("7","5","3","4","8","6","1") = "7"
    & skf18("7","5","3","4","8","7","1") = "7"
    & skf18("7","5","3","4","8","8","1") = "7"
    & skf18("7","5","3","4","8","9","1") = "8"
    & skf18("7","5","3","4","8","10","1") = "9"
    & skf18("7","5","3","4","9","1","1") = "8"
    & skf18("7","5","3","4","9","2","1") = "8"
    & skf18("7","5","3","4","9","3","1") = "8"
    & skf18("7","5","3","4","9","4","1") = "8"
    & skf18("7","5","3","4","9","5","1") = "8"
    & skf18("7","5","3","4","9","6","1") = "8"
    & skf18("7","5","3","4","9","7","1") = "8"
    & skf18("7","5","3","4","9","8","1") = "8"
    & skf18("7","5","3","4","9","9","1") = "8"
    & skf18("7","5","3","4","9","10","1") = "9"
    & skf18("7","5","3","4","10","1","1") = "9"
    & skf18("7","5","3","4","10","2","1") = "9"
    & skf18("7","5","3","4","10","3","1") = "9"
    & skf18("7","5","3","4","10","4","1") = "9"
    & skf18("7","5","3","4","10","5","1") = "9"
    & skf18("7","5","3","4","10","6","1") = "9"
    & skf18("7","5","3","4","10","7","1") = "9"
    & skf18("7","5","3","4","10","8","1") = "9"
    & skf18("7","5","3","4","10","9","1") = "9"
    & skf18("7","5","3","4","10","10","1") = "9"
    & skf18("7","5","3","5","1","1","1") = "6"
    & skf18("7","5","3","5","1","2","1") = "6"
    & skf18("7","5","3","5","1","3","1") = "6"
    & skf18("7","5","3","5","1","4","1") = "6"
    & skf18("7","5","3","5","1","5","1") = "6"
    & skf18("7","5","3","5","1","6","1") = "6"
    & skf18("7","5","3","5","1","7","1") = "6"
    & skf18("7","5","3","5","1","8","1") = "7"
    & skf18("7","5","3","5","1","9","1") = "8"
    & skf18("7","5","3","5","1","10","1") = "9"
    & skf18("7","5","3","5","2","1","1") = "6"
    & skf18("7","5","3","5","2","2","1") = "6"
    & skf18("7","5","3","5","2","3","1") = "6"
    & skf18("7","5","3","5","2","4","1") = "6"
    & skf18("7","5","3","5","2","5","1") = "6"
    & skf18("7","5","3","5","2","6","1") = "6"
    & skf18("7","5","3","5","2","7","1") = "6"
    & skf18("7","5","3","5","2","8","1") = "7"
    & skf18("7","5","3","5","2","9","1") = "8"
    & skf18("7","5","3","5","2","10","1") = "9"
    & skf18("7","5","3","5","3","1","1") = "6"
    & skf18("7","5","3","5","3","2","1") = "6"
    & skf18("7","5","3","5","3","3","1") = "6"
    & skf18("7","5","3","5","3","4","1") = "6"
    & skf18("7","5","3","5","3","5","1") = "6"
    & skf18("7","5","3","5","3","6","1") = "6"
    & skf18("7","5","3","5","3","7","1") = "6"
    & skf18("7","5","3","5","3","8","1") = "7"
    & skf18("7","5","3","5","3","9","1") = "8"
    & skf18("7","5","3","5","3","10","1") = "9"
    & skf18("7","5","3","5","4","1","1") = "6"
    & skf18("7","5","3","5","4","2","1") = "6"
    & skf18("7","5","3","5","4","3","1") = "6"
    & skf18("7","5","3","5","4","4","1") = "6"
    & skf18("7","5","3","5","4","5","1") = "6"
    & skf18("7","5","3","5","4","6","1") = "6"
    & skf18("7","5","3","5","4","7","1") = "6"
    & skf18("7","5","3","5","4","8","1") = "7"
    & skf18("7","5","3","5","4","9","1") = "8"
    & skf18("7","5","3","5","4","10","1") = "9"
    & skf18("7","5","3","5","5","1","1") = "6"
    & skf18("7","5","3","5","5","2","1") = "6"
    & skf18("7","5","3","5","5","3","1") = "6"
    & skf18("7","5","3","5","5","4","1") = "6"
    & skf18("7","5","3","5","5","5","1") = "6"
    & skf18("7","5","3","5","5","6","1") = "6"
    & skf18("7","5","3","5","5","7","1") = "6"
    & skf18("7","5","3","5","5","8","1") = "7"
    & skf18("7","5","3","5","5","9","1") = "8"
    & skf18("7","5","3","5","5","10","1") = "9"
    & skf18("7","5","3","5","6","1","1") = "6"
    & skf18("7","5","3","5","6","2","1") = "6"
    & skf18("7","5","3","5","6","3","1") = "6"
    & skf18("7","5","3","5","6","4","1") = "6"
    & skf18("7","5","3","5","6","5","1") = "6"
    & skf18("7","5","3","5","6","6","1") = "6"
    & skf18("7","5","3","5","6","7","1") = "6"
    & skf18("7","5","3","5","6","8","1") = "7"
    & skf18("7","5","3","5","6","9","1") = "8"
    & skf18("7","5","3","5","6","10","1") = "9"
    & skf18("7","5","3","5","7","1","1") = "6"
    & skf18("7","5","3","5","7","2","1") = "6"
    & skf18("7","5","3","5","7","3","1") = "6"
    & skf18("7","5","3","5","7","4","1") = "6"
    & skf18("7","5","3","5","7","5","1") = "6"
    & skf18("7","5","3","5","7","6","1") = "6"
    & skf18("7","5","3","5","7","7","1") = "6"
    & skf18("7","5","3","5","7","8","1") = "7"
    & skf18("7","5","3","5","7","9","1") = "8"
    & skf18("7","5","3","5","7","10","1") = "9"
    & skf18("7","5","3","5","8","1","1") = "7"
    & skf18("7","5","3","5","8","2","1") = "7"
    & skf18("7","5","3","5","8","3","1") = "7"
    & skf18("7","5","3","5","8","4","1") = "7"
    & skf18("7","5","3","5","8","5","1") = "7"
    & skf18("7","5","3","5","8","6","1") = "7"
    & skf18("7","5","3","5","8","7","1") = "7"
    & skf18("7","5","3","5","8","8","1") = "7"
    & skf18("7","5","3","5","8","9","1") = "8"
    & skf18("7","5","3","5","8","10","1") = "9"
    & skf18("7","5","3","5","9","1","1") = "8"
    & skf18("7","5","3","5","9","2","1") = "8"
    & skf18("7","5","3","5","9","3","1") = "8"
    & skf18("7","5","3","5","9","4","1") = "8"
    & skf18("7","5","3","5","9","5","1") = "8"
    & skf18("7","5","3","5","9","6","1") = "8"
    & skf18("7","5","3","5","9","7","1") = "8"
    & skf18("7","5","3","5","9","8","1") = "8"
    & skf18("7","5","3","5","9","9","1") = "8"
    & skf18("7","5","3","5","9","10","1") = "9"
    & skf18("7","5","3","5","10","1","1") = "9"
    & skf18("7","5","3","5","10","2","1") = "9"
    & skf18("7","5","3","5","10","3","1") = "9"
    & skf18("7","5","3","5","10","4","1") = "9"
    & skf18("7","5","3","5","10","5","1") = "9"
    & skf18("7","5","3","5","10","6","1") = "9"
    & skf18("7","5","3","5","10","7","1") = "9"
    & skf18("7","5","3","5","10","8","1") = "9"
    & skf18("7","5","3","5","10","9","1") = "9"
    & skf18("7","5","3","5","10","10","1") = "9"
    & skf18("7","5","3","6","1","1","1") = "6"
    & skf18("7","5","3","6","1","2","1") = "6"
    & skf18("7","5","3","6","1","3","1") = "6"
    & skf18("7","5","3","6","1","4","1") = "6"
    & skf18("7","5","3","6","1","5","1") = "6"
    & skf18("7","5","3","6","1","6","1") = "6"
    & skf18("7","5","3","6","1","7","1") = "6"
    & skf18("7","5","3","6","1","8","1") = "7"
    & skf18("7","5","3","6","1","9","1") = "8"
    & skf18("7","5","3","6","1","10","1") = "9"
    & skf18("7","5","3","6","2","1","1") = "6"
    & skf18("7","5","3","6","2","2","1") = "6"
    & skf18("7","5","3","6","2","3","1") = "6"
    & skf18("7","5","3","6","2","4","1") = "6"
    & skf18("7","5","3","6","2","5","1") = "6"
    & skf18("7","5","3","6","2","6","1") = "6"
    & skf18("7","5","3","6","2","7","1") = "6"
    & skf18("7","5","3","6","2","8","1") = "7"
    & skf18("7","5","3","6","2","9","1") = "8"
    & skf18("7","5","3","6","2","10","1") = "9"
    & skf18("7","5","3","6","3","1","1") = "6"
    & skf18("7","5","3","6","3","2","1") = "6"
    & skf18("7","5","3","6","3","3","1") = "6"
    & skf18("7","5","3","6","3","4","1") = "6"
    & skf18("7","5","3","6","3","5","1") = "6"
    & skf18("7","5","3","6","3","6","1") = "6"
    & skf18("7","5","3","6","3","7","1") = "6"
    & skf18("7","5","3","6","3","8","1") = "7"
    & skf18("7","5","3","6","3","9","1") = "8"
    & skf18("7","5","3","6","3","10","1") = "9"
    & skf18("7","5","3","6","4","1","1") = "6"
    & skf18("7","5","3","6","4","2","1") = "6"
    & skf18("7","5","3","6","4","3","1") = "6"
    & skf18("7","5","3","6","4","4","1") = "6"
    & skf18("7","5","3","6","4","5","1") = "6"
    & skf18("7","5","3","6","4","6","1") = "6"
    & skf18("7","5","3","6","4","7","1") = "6"
    & skf18("7","5","3","6","4","8","1") = "7"
    & skf18("7","5","3","6","4","9","1") = "8"
    & skf18("7","5","3","6","4","10","1") = "9"
    & skf18("7","5","3","6","5","1","1") = "6"
    & skf18("7","5","3","6","5","2","1") = "6"
    & skf18("7","5","3","6","5","3","1") = "6"
    & skf18("7","5","3","6","5","4","1") = "6"
    & skf18("7","5","3","6","5","5","1") = "6"
    & skf18("7","5","3","6","5","6","1") = "6"
    & skf18("7","5","3","6","5","7","1") = "6"
    & skf18("7","5","3","6","5","8","1") = "7"
    & skf18("7","5","3","6","5","9","1") = "8"
    & skf18("7","5","3","6","5","10","1") = "9"
    & skf18("7","5","3","6","6","1","1") = "6"
    & skf18("7","5","3","6","6","2","1") = "6"
    & skf18("7","5","3","6","6","3","1") = "6"
    & skf18("7","5","3","6","6","4","1") = "6"
    & skf18("7","5","3","6","6","5","1") = "6"
    & skf18("7","5","3","6","6","6","1") = "6"
    & skf18("7","5","3","6","6","7","1") = "6"
    & skf18("7","5","3","6","6","8","1") = "7"
    & skf18("7","5","3","6","6","9","1") = "8"
    & skf18("7","5","3","6","6","10","1") = "9"
    & skf18("7","5","3","6","7","1","1") = "6"
    & skf18("7","5","3","6","7","2","1") = "6"
    & skf18("7","5","3","6","7","3","1") = "6"
    & skf18("7","5","3","6","7","4","1") = "6"
    & skf18("7","5","3","6","7","5","1") = "6"
    & skf18("7","5","3","6","7","6","1") = "6"
    & skf18("7","5","3","6","7","7","1") = "6"
    & skf18("7","5","3","6","7","8","1") = "7"
    & skf18("7","5","3","6","7","9","1") = "8"
    & skf18("7","5","3","6","7","10","1") = "9"
    & skf18("7","5","3","6","8","1","1") = "7"
    & skf18("7","5","3","6","8","2","1") = "7"
    & skf18("7","5","3","6","8","3","1") = "7"
    & skf18("7","5","3","6","8","4","1") = "7"
    & skf18("7","5","3","6","8","5","1") = "7"
    & skf18("7","5","3","6","8","6","1") = "7"
    & skf18("7","5","3","6","8","7","1") = "7"
    & skf18("7","5","3","6","8","8","1") = "7"
    & skf18("7","5","3","6","8","9","1") = "8"
    & skf18("7","5","3","6","8","10","1") = "9"
    & skf18("7","5","3","6","9","1","1") = "8"
    & skf18("7","5","3","6","9","2","1") = "8"
    & skf18("7","5","3","6","9","3","1") = "8"
    & skf18("7","5","3","6","9","4","1") = "8"
    & skf18("7","5","3","6","9","5","1") = "8"
    & skf18("7","5","3","6","9","6","1") = "8"
    & skf18("7","5","3","6","9","7","1") = "8"
    & skf18("7","5","3","6","9","8","1") = "8"
    & skf18("7","5","3","6","9","9","1") = "8"
    & skf18("7","5","3","6","9","10","1") = "9"
    & skf18("7","5","3","6","10","1","1") = "9"
    & skf18("7","5","3","6","10","2","1") = "9"
    & skf18("7","5","3","6","10","3","1") = "9"
    & skf18("7","5","3","6","10","4","1") = "9"
    & skf18("7","5","3","6","10","5","1") = "9"
    & skf18("7","5","3","6","10","6","1") = "9"
    & skf18("7","5","3","6","10","7","1") = "9"
    & skf18("7","5","3","6","10","8","1") = "9"
    & skf18("7","5","3","6","10","9","1") = "9"
    & skf18("7","5","3","6","10","10","1") = "9"
    & skf18("7","5","3","7","1","1","1") = "6"
    & skf18("7","5","3","7","1","2","1") = "6"
    & skf18("7","5","3","7","1","3","1") = "6"
    & skf18("7","5","3","7","1","4","1") = "6"
    & skf18("7","5","3","7","1","5","1") = "6"
    & skf18("7","5","3","7","1","6","1") = "6"
    & skf18("7","5","3","7","1","7","1") = "6"
    & skf18("7","5","3","7","1","8","1") = "7"
    & skf18("7","5","3","7","1","9","1") = "8"
    & skf18("7","5","3","7","1","10","1") = "9"
    & skf18("7","5","3","7","2","1","1") = "6"
    & skf18("7","5","3","7","2","2","1") = "6"
    & skf18("7","5","3","7","2","3","1") = "6"
    & skf18("7","5","3","7","2","4","1") = "6"
    & skf18("7","5","3","7","2","5","1") = "6"
    & skf18("7","5","3","7","2","6","1") = "6"
    & skf18("7","5","3","7","2","7","1") = "6"
    & skf18("7","5","3","7","2","8","1") = "7"
    & skf18("7","5","3","7","2","9","1") = "8"
    & skf18("7","5","3","7","2","10","1") = "9"
    & skf18("7","5","3","7","3","1","1") = "6"
    & skf18("7","5","3","7","3","2","1") = "6"
    & skf18("7","5","3","7","3","3","1") = "6"
    & skf18("7","5","3","7","3","4","1") = "6"
    & skf18("7","5","3","7","3","5","1") = "6"
    & skf18("7","5","3","7","3","6","1") = "6"
    & skf18("7","5","3","7","3","7","1") = "6"
    & skf18("7","5","3","7","3","8","1") = "7"
    & skf18("7","5","3","7","3","9","1") = "8"
    & skf18("7","5","3","7","3","10","1") = "9"
    & skf18("7","5","3","7","4","1","1") = "6"
    & skf18("7","5","3","7","4","2","1") = "6"
    & skf18("7","5","3","7","4","3","1") = "6"
    & skf18("7","5","3","7","4","4","1") = "6"
    & skf18("7","5","3","7","4","5","1") = "6"
    & skf18("7","5","3","7","4","6","1") = "6"
    & skf18("7","5","3","7","4","7","1") = "6"
    & skf18("7","5","3","7","4","8","1") = "7"
    & skf18("7","5","3","7","4","9","1") = "8"
    & skf18("7","5","3","7","4","10","1") = "9"
    & skf18("7","5","3","7","5","1","1") = "6"
    & skf18("7","5","3","7","5","2","1") = "6"
    & skf18("7","5","3","7","5","3","1") = "6"
    & skf18("7","5","3","7","5","4","1") = "6"
    & skf18("7","5","3","7","5","5","1") = "6"
    & skf18("7","5","3","7","5","6","1") = "6"
    & skf18("7","5","3","7","5","7","1") = "6"
    & skf18("7","5","3","7","5","8","1") = "7"
    & skf18("7","5","3","7","5","9","1") = "8"
    & skf18("7","5","3","7","5","10","1") = "9"
    & skf18("7","5","3","7","6","1","1") = "6"
    & skf18("7","5","3","7","6","2","1") = "6"
    & skf18("7","5","3","7","6","3","1") = "6"
    & skf18("7","5","3","7","6","4","1") = "6"
    & skf18("7","5","3","7","6","5","1") = "6"
    & skf18("7","5","3","7","6","6","1") = "6"
    & skf18("7","5","3","7","6","7","1") = "6"
    & skf18("7","5","3","7","6","8","1") = "7"
    & skf18("7","5","3","7","6","9","1") = "8"
    & skf18("7","5","3","7","6","10","1") = "9"
    & skf18("7","5","3","7","7","1","1") = "6"
    & skf18("7","5","3","7","7","2","1") = "6"
    & skf18("7","5","3","7","7","3","1") = "6"
    & skf18("7","5","3","7","7","4","1") = "6"
    & skf18("7","5","3","7","7","5","1") = "6"
    & skf18("7","5","3","7","7","6","1") = "6"
    & skf18("7","5","3","7","7","7","1") = "6"
    & skf18("7","5","3","7","7","8","1") = "7"
    & skf18("7","5","3","7","7","9","1") = "8"
    & skf18("7","5","3","7","7","10","1") = "9"
    & skf18("7","5","3","7","8","1","1") = "7"
    & skf18("7","5","3","7","8","2","1") = "7"
    & skf18("7","5","3","7","8","3","1") = "7"
    & skf18("7","5","3","7","8","4","1") = "7"
    & skf18("7","5","3","7","8","5","1") = "7"
    & skf18("7","5","3","7","8","6","1") = "7"
    & skf18("7","5","3","7","8","7","1") = "7"
    & skf18("7","5","3","7","8","8","1") = "7"
    & skf18("7","5","3","7","8","9","1") = "8"
    & skf18("7","5","3","7","8","10","1") = "9"
    & skf18("7","5","3","7","9","1","1") = "8"
    & skf18("7","5","3","7","9","2","1") = "8"
    & skf18("7","5","3","7","9","3","1") = "8"
    & skf18("7","5","3","7","9","4","1") = "8"
    & skf18("7","5","3","7","9","5","1") = "8"
    & skf18("7","5","3","7","9","6","1") = "8"
    & skf18("7","5","3","7","9","7","1") = "8"
    & skf18("7","5","3","7","9","8","1") = "8"
    & skf18("7","5","3","7","9","9","1") = "8"
    & skf18("7","5","3","7","9","10","1") = "9"
    & skf18("7","5","3","7","10","1","1") = "9"
    & skf18("7","5","3","7","10","2","1") = "9"
    & skf18("7","5","3","7","10","3","1") = "9"
    & skf18("7","5","3","7","10","4","1") = "9"
    & skf18("7","5","3","7","10","5","1") = "9"
    & skf18("7","5","3","7","10","6","1") = "9"
    & skf18("7","5","3","7","10","7","1") = "9"
    & skf18("7","5","3","7","10","8","1") = "9"
    & skf18("7","5","3","7","10","9","1") = "9"
    & skf18("7","5","3","7","10","10","1") = "9"
    & skf18("7","5","3","8","1","1","1") = "7"
    & skf18("7","5","3","8","1","2","1") = "7"
    & skf18("7","5","3","8","1","3","1") = "7"
    & skf18("7","5","3","8","1","4","1") = "7"
    & skf18("7","5","3","8","1","5","1") = "7"
    & skf18("7","5","3","8","1","6","1") = "7"
    & skf18("7","5","3","8","1","7","1") = "7"
    & skf18("7","5","3","8","1","8","1") = "7"
    & skf18("7","5","3","8","1","9","1") = "8"
    & skf18("7","5","3","8","1","10","1") = "9"
    & skf18("7","5","3","8","2","1","1") = "7"
    & skf18("7","5","3","8","2","2","1") = "7"
    & skf18("7","5","3","8","2","3","1") = "7"
    & skf18("7","5","3","8","2","4","1") = "7"
    & skf18("7","5","3","8","2","5","1") = "7"
    & skf18("7","5","3","8","2","6","1") = "7"
    & skf18("7","5","3","8","2","7","1") = "7"
    & skf18("7","5","3","8","2","8","1") = "7"
    & skf18("7","5","3","8","2","9","1") = "8"
    & skf18("7","5","3","8","2","10","1") = "9"
    & skf18("7","5","3","8","3","1","1") = "7"
    & skf18("7","5","3","8","3","2","1") = "7"
    & skf18("7","5","3","8","3","3","1") = "7"
    & skf18("7","5","3","8","3","4","1") = "7"
    & skf18("7","5","3","8","3","5","1") = "7"
    & skf18("7","5","3","8","3","6","1") = "7"
    & skf18("7","5","3","8","3","7","1") = "7"
    & skf18("7","5","3","8","3","8","1") = "7"
    & skf18("7","5","3","8","3","9","1") = "8"
    & skf18("7","5","3","8","3","10","1") = "9"
    & skf18("7","5","3","8","4","1","1") = "7"
    & skf18("7","5","3","8","4","2","1") = "7"
    & skf18("7","5","3","8","4","3","1") = "7"
    & skf18("7","5","3","8","4","4","1") = "7"
    & skf18("7","5","3","8","4","5","1") = "7"
    & skf18("7","5","3","8","4","6","1") = "7"
    & skf18("7","5","3","8","4","7","1") = "7"
    & skf18("7","5","3","8","4","8","1") = "7"
    & skf18("7","5","3","8","4","9","1") = "8"
    & skf18("7","5","3","8","4","10","1") = "9"
    & skf18("7","5","3","8","5","1","1") = "7"
    & skf18("7","5","3","8","5","2","1") = "7"
    & skf18("7","5","3","8","5","3","1") = "7"
    & skf18("7","5","3","8","5","4","1") = "7"
    & skf18("7","5","3","8","5","5","1") = "7"
    & skf18("7","5","3","8","5","6","1") = "7"
    & skf18("7","5","3","8","5","7","1") = "7"
    & skf18("7","5","3","8","5","8","1") = "7"
    & skf18("7","5","3","8","5","9","1") = "8"
    & skf18("7","5","3","8","5","10","1") = "9"
    & skf18("7","5","3","8","6","1","1") = "7"
    & skf18("7","5","3","8","6","2","1") = "7"
    & skf18("7","5","3","8","6","3","1") = "7"
    & skf18("7","5","3","8","6","4","1") = "7"
    & skf18("7","5","3","8","6","5","1") = "7"
    & skf18("7","5","3","8","6","6","1") = "7"
    & skf18("7","5","3","8","6","7","1") = "7"
    & skf18("7","5","3","8","6","8","1") = "7"
    & skf18("7","5","3","8","6","9","1") = "8"
    & skf18("7","5","3","8","6","10","1") = "9"
    & skf18("7","5","3","8","7","1","1") = "7"
    & skf18("7","5","3","8","7","2","1") = "7"
    & skf18("7","5","3","8","7","3","1") = "7"
    & skf18("7","5","3","8","7","4","1") = "7"
    & skf18("7","5","3","8","7","5","1") = "7"
    & skf18("7","5","3","8","7","6","1") = "7"
    & skf18("7","5","3","8","7","7","1") = "7"
    & skf18("7","5","3","8","7","8","1") = "7"
    & skf18("7","5","3","8","7","9","1") = "8"
    & skf18("7","5","3","8","7","10","1") = "9"
    & skf18("7","5","3","8","8","1","1") = "7"
    & skf18("7","5","3","8","8","2","1") = "7"
    & skf18("7","5","3","8","8","3","1") = "7"
    & skf18("7","5","3","8","8","4","1") = "7"
    & skf18("7","5","3","8","8","5","1") = "7"
    & skf18("7","5","3","8","8","6","1") = "7"
    & skf18("7","5","3","8","8","7","1") = "7"
    & skf18("7","5","3","8","8","8","1") = "7"
    & skf18("7","5","3","8","8","9","1") = "8"
    & skf18("7","5","3","8","8","10","1") = "9"
    & skf18("7","5","3","8","9","1","1") = "8"
    & skf18("7","5","3","8","9","2","1") = "8"
    & skf18("7","5","3","8","9","3","1") = "8"
    & skf18("7","5","3","8","9","4","1") = "8"
    & skf18("7","5","3","8","9","5","1") = "8"
    & skf18("7","5","3","8","9","6","1") = "8"
    & skf18("7","5","3","8","9","7","1") = "8"
    & skf18("7","5","3","8","9","8","1") = "8"
    & skf18("7","5","3","8","9","9","1") = "8"
    & skf18("7","5","3","8","9","10","1") = "9"
    & skf18("7","5","3","8","10","1","1") = "9"
    & skf18("7","5","3","8","10","2","1") = "9"
    & skf18("7","5","3","8","10","3","1") = "9"
    & skf18("7","5","3","8","10","4","1") = "9"
    & skf18("7","5","3","8","10","5","1") = "9"
    & skf18("7","5","3","8","10","6","1") = "9"
    & skf18("7","5","3","8","10","7","1") = "9"
    & skf18("7","5","3","8","10","8","1") = "9"
    & skf18("7","5","3","8","10","9","1") = "9"
    & skf18("7","5","3","8","10","10","1") = "9"
    & skf18("7","5","3","9","1","1","1") = "8"
    & skf18("7","5","3","9","1","2","1") = "8"
    & skf18("7","5","3","9","1","3","1") = "8"
    & skf18("7","5","3","9","1","4","1") = "8"
    & skf18("7","5","3","9","1","5","1") = "8"
    & skf18("7","5","3","9","1","6","1") = "8"
    & skf18("7","5","3","9","1","7","1") = "8"
    & skf18("7","5","3","9","1","8","1") = "8"
    & skf18("7","5","3","9","1","9","1") = "8"
    & skf18("7","5","3","9","1","10","1") = "9"
    & skf18("7","5","3","9","2","1","1") = "8"
    & skf18("7","5","3","9","2","2","1") = "8"
    & skf18("7","5","3","9","2","3","1") = "8"
    & skf18("7","5","3","9","2","4","1") = "8"
    & skf18("7","5","3","9","2","5","1") = "8"
    & skf18("7","5","3","9","2","6","1") = "8"
    & skf18("7","5","3","9","2","7","1") = "8"
    & skf18("7","5","3","9","2","8","1") = "8"
    & skf18("7","5","3","9","2","9","1") = "8"
    & skf18("7","5","3","9","2","10","1") = "9"
    & skf18("7","5","3","9","3","1","1") = "8"
    & skf18("7","5","3","9","3","2","1") = "8"
    & skf18("7","5","3","9","3","3","1") = "8"
    & skf18("7","5","3","9","3","4","1") = "8"
    & skf18("7","5","3","9","3","5","1") = "8"
    & skf18("7","5","3","9","3","6","1") = "8"
    & skf18("7","5","3","9","3","7","1") = "8"
    & skf18("7","5","3","9","3","8","1") = "8"
    & skf18("7","5","3","9","3","9","1") = "8"
    & skf18("7","5","3","9","3","10","1") = "9"
    & skf18("7","5","3","9","4","1","1") = "8"
    & skf18("7","5","3","9","4","2","1") = "8"
    & skf18("7","5","3","9","4","3","1") = "8"
    & skf18("7","5","3","9","4","4","1") = "8"
    & skf18("7","5","3","9","4","5","1") = "8"
    & skf18("7","5","3","9","4","6","1") = "8"
    & skf18("7","5","3","9","4","7","1") = "8"
    & skf18("7","5","3","9","4","8","1") = "8"
    & skf18("7","5","3","9","4","9","1") = "8"
    & skf18("7","5","3","9","4","10","1") = "9"
    & skf18("7","5","3","9","5","1","1") = "8"
    & skf18("7","5","3","9","5","2","1") = "8"
    & skf18("7","5","3","9","5","3","1") = "8"
    & skf18("7","5","3","9","5","4","1") = "8"
    & skf18("7","5","3","9","5","5","1") = "8"
    & skf18("7","5","3","9","5","6","1") = "8"
    & skf18("7","5","3","9","5","7","1") = "8"
    & skf18("7","5","3","9","5","8","1") = "8"
    & skf18("7","5","3","9","5","9","1") = "8"
    & skf18("7","5","3","9","5","10","1") = "9"
    & skf18("7","5","3","9","6","1","1") = "8"
    & skf18("7","5","3","9","6","2","1") = "8"
    & skf18("7","5","3","9","6","3","1") = "8"
    & skf18("7","5","3","9","6","4","1") = "8"
    & skf18("7","5","3","9","6","5","1") = "8"
    & skf18("7","5","3","9","6","6","1") = "8"
    & skf18("7","5","3","9","6","7","1") = "8"
    & skf18("7","5","3","9","6","8","1") = "8"
    & skf18("7","5","3","9","6","9","1") = "8"
    & skf18("7","5","3","9","6","10","1") = "9"
    & skf18("7","5","3","9","7","1","1") = "8"
    & skf18("7","5","3","9","7","2","1") = "8"
    & skf18("7","5","3","9","7","3","1") = "8"
    & skf18("7","5","3","9","7","4","1") = "8"
    & skf18("7","5","3","9","7","5","1") = "8"
    & skf18("7","5","3","9","7","6","1") = "8"
    & skf18("7","5","3","9","7","7","1") = "8"
    & skf18("7","5","3","9","7","8","1") = "8"
    & skf18("7","5","3","9","7","9","1") = "8"
    & skf18("7","5","3","9","7","10","1") = "9"
    & skf18("7","5","3","9","8","1","1") = "8"
    & skf18("7","5","3","9","8","2","1") = "8"
    & skf18("7","5","3","9","8","3","1") = "8"
    & skf18("7","5","3","9","8","4","1") = "8"
    & skf18("7","5","3","9","8","5","1") = "8"
    & skf18("7","5","3","9","8","6","1") = "8"
    & skf18("7","5","3","9","8","7","1") = "8"
    & skf18("7","5","3","9","8","8","1") = "8"
    & skf18("7","5","3","9","8","9","1") = "8"
    & skf18("7","5","3","9","8","10","1") = "9"
    & skf18("7","5","3","9","9","1","1") = "8"
    & skf18("7","5","3","9","9","2","1") = "8"
    & skf18("7","5","3","9","9","3","1") = "8"
    & skf18("7","5","3","9","9","4","1") = "8"
    & skf18("7","5","3","9","9","5","1") = "8"
    & skf18("7","5","3","9","9","6","1") = "8"
    & skf18("7","5","3","9","9","7","1") = "8"
    & skf18("7","5","3","9","9","8","1") = "8"
    & skf18("7","5","3","9","9","9","1") = "8"
    & skf18("7","5","3","9","9","10","1") = "9"
    & skf18("7","5","3","9","10","1","1") = "9"
    & skf18("7","5","3","9","10","2","1") = "9"
    & skf18("7","5","3","9","10","3","1") = "9"
    & skf18("7","5","3","9","10","4","1") = "9"
    & skf18("7","5","3","9","10","5","1") = "9"
    & skf18("7","5","3","9","10","6","1") = "9"
    & skf18("7","5","3","9","10","7","1") = "9"
    & skf18("7","5","3","9","10","8","1") = "9"
    & skf18("7","5","3","9","10","9","1") = "9"
    & skf18("7","5","3","9","10","10","1") = "9"
    & skf18("7","5","3","10","1","1","1") = "9"
    & skf18("7","5","3","10","1","2","1") = "9"
    & skf18("7","5","3","10","1","3","1") = "9"
    & skf18("7","5","3","10","1","4","1") = "9"
    & skf18("7","5","3","10","1","5","1") = "9"
    & skf18("7","5","3","10","1","6","1") = "9"
    & skf18("7","5","3","10","1","7","1") = "9"
    & skf18("7","5","3","10","1","8","1") = "9"
    & skf18("7","5","3","10","1","9","1") = "9"
    & skf18("7","5","3","10","1","10","1") = "9"
    & skf18("7","5","3","10","2","1","1") = "9"
    & skf18("7","5","3","10","2","2","1") = "9"
    & skf18("7","5","3","10","2","3","1") = "9"
    & skf18("7","5","3","10","2","4","1") = "9"
    & skf18("7","5","3","10","2","5","1") = "9"
    & skf18("7","5","3","10","2","6","1") = "9"
    & skf18("7","5","3","10","2","7","1") = "9"
    & skf18("7","5","3","10","2","8","1") = "9"
    & skf18("7","5","3","10","2","9","1") = "9"
    & skf18("7","5","3","10","2","10","1") = "9"
    & skf18("7","5","3","10","3","1","1") = "9"
    & skf18("7","5","3","10","3","2","1") = "9"
    & skf18("7","5","3","10","3","3","1") = "9"
    & skf18("7","5","3","10","3","4","1") = "9"
    & skf18("7","5","3","10","3","5","1") = "9"
    & skf18("7","5","3","10","3","6","1") = "9"
    & skf18("7","5","3","10","3","7","1") = "9"
    & skf18("7","5","3","10","3","8","1") = "9"
    & skf18("7","5","3","10","3","9","1") = "9"
    & skf18("7","5","3","10","3","10","1") = "9"
    & skf18("7","5","3","10","4","1","1") = "9"
    & skf18("7","5","3","10","4","2","1") = "9"
    & skf18("7","5","3","10","4","3","1") = "9"
    & skf18("7","5","3","10","4","4","1") = "9"
    & skf18("7","5","3","10","4","5","1") = "9"
    & skf18("7","5","3","10","4","6","1") = "9"
    & skf18("7","5","3","10","4","7","1") = "9"
    & skf18("7","5","3","10","4","8","1") = "9"
    & skf18("7","5","3","10","4","9","1") = "9"
    & skf18("7","5","3","10","4","10","1") = "9"
    & skf18("7","5","3","10","5","1","1") = "9"
    & skf18("7","5","3","10","5","2","1") = "9"
    & skf18("7","5","3","10","5","3","1") = "9"
    & skf18("7","5","3","10","5","4","1") = "9"
    & skf18("7","5","3","10","5","5","1") = "9"
    & skf18("7","5","3","10","5","6","1") = "9"
    & skf18("7","5","3","10","5","7","1") = "9"
    & skf18("7","5","3","10","5","8","1") = "9"
    & skf18("7","5","3","10","5","9","1") = "9"
    & skf18("7","5","3","10","5","10","1") = "9"
    & skf18("7","5","3","10","6","1","1") = "9"
    & skf18("7","5","3","10","6","2","1") = "9"
    & skf18("7","5","3","10","6","3","1") = "9"
    & skf18("7","5","3","10","6","4","1") = "9"
    & skf18("7","5","3","10","6","5","1") = "9"
    & skf18("7","5","3","10","6","6","1") = "9"
    & skf18("7","5","3","10","6","7","1") = "9"
    & skf18("7","5","3","10","6","8","1") = "9"
    & skf18("7","5","3","10","6","9","1") = "9"
    & skf18("7","5","3","10","6","10","1") = "9"
    & skf18("7","5","3","10","7","1","1") = "9"
    & skf18("7","5","3","10","7","2","1") = "9"
    & skf18("7","5","3","10","7","3","1") = "9"
    & skf18("7","5","3","10","7","4","1") = "9"
    & skf18("7","5","3","10","7","5","1") = "9"
    & skf18("7","5","3","10","7","6","1") = "9"
    & skf18("7","5","3","10","7","7","1") = "9"
    & skf18("7","5","3","10","7","8","1") = "9"
    & skf18("7","5","3","10","7","9","1") = "9"
    & skf18("7","5","3","10","7","10","1") = "9"
    & skf18("7","5","3","10","8","1","1") = "9"
    & skf18("7","5","3","10","8","2","1") = "9"
    & skf18("7","5","3","10","8","3","1") = "9"
    & skf18("7","5","3","10","8","4","1") = "9"
    & skf18("7","5","3","10","8","5","1") = "9"
    & skf18("7","5","3","10","8","6","1") = "9"
    & skf18("7","5","3","10","8","7","1") = "9"
    & skf18("7","5","3","10","8","8","1") = "9"
    & skf18("7","5","3","10","8","9","1") = "9"
    & skf18("7","5","3","10","8","10","1") = "9"
    & skf18("7","5","3","10","9","1","1") = "9"
    & skf18("7","5","3","10","9","2","1") = "9"
    & skf18("7","5","3","10","9","3","1") = "9"
    & skf18("7","5","3","10","9","4","1") = "9"
    & skf18("7","5","3","10","9","5","1") = "9"
    & skf18("7","5","3","10","9","6","1") = "9"
    & skf18("7","5","3","10","9","7","1") = "9"
    & skf18("7","5","3","10","9","8","1") = "9"
    & skf18("7","5","3","10","9","9","1") = "9"
    & skf18("7","5","3","10","9","10","1") = "9"
    & skf18("7","5","3","10","10","1","1") = "9"
    & skf18("7","5","3","10","10","2","1") = "9"
    & skf18("7","5","3","10","10","3","1") = "9"
    & skf18("7","5","3","10","10","4","1") = "9"
    & skf18("7","5","3","10","10","5","1") = "9"
    & skf18("7","5","3","10","10","6","1") = "9"
    & skf18("7","5","3","10","10","7","1") = "9"
    & skf18("7","5","3","10","10","8","1") = "9"
    & skf18("7","5","3","10","10","9","1") = "9"
    & skf18("7","5","3","10","10","10","1") = "9"
    & skf18("7","5","4","1","1","1","1") = "6"
    & skf18("7","5","4","1","1","2","1") = "6"
    & skf18("7","5","4","1","1","3","1") = "6"
    & skf18("7","5","4","1","1","4","1") = "6"
    & skf18("7","5","4","1","1","5","1") = "6"
    & skf18("7","5","4","1","1","6","1") = "6"
    & skf18("7","5","4","1","1","7","1") = "6"
    & skf18("7","5","4","1","1","8","1") = "7"
    & skf18("7","5","4","1","1","9","1") = "8"
    & skf18("7","5","4","1","1","10","1") = "9"
    & skf18("7","5","4","1","2","1","1") = "6"
    & skf18("7","5","4","1","2","2","1") = "6"
    & skf18("7","5","4","1","2","3","1") = "6"
    & skf18("7","5","4","1","2","4","1") = "6"
    & skf18("7","5","4","1","2","5","1") = "6"
    & skf18("7","5","4","1","2","6","1") = "6"
    & skf18("7","5","4","1","2","7","1") = "6"
    & skf18("7","5","4","1","2","8","1") = "7"
    & skf18("7","5","4","1","2","9","1") = "8"
    & skf18("7","5","4","1","2","10","1") = "9"
    & skf18("7","5","4","1","3","1","1") = "6"
    & skf18("7","5","4","1","3","2","1") = "6"
    & skf18("7","5","4","1","3","3","1") = "6"
    & skf18("7","5","4","1","3","4","1") = "6"
    & skf18("7","5","4","1","3","5","1") = "6"
    & skf18("7","5","4","1","3","6","1") = "6"
    & skf18("7","5","4","1","3","7","1") = "6"
    & skf18("7","5","4","1","3","8","1") = "7"
    & skf18("7","5","4","1","3","9","1") = "8"
    & skf18("7","5","4","1","3","10","1") = "9"
    & skf18("7","5","4","1","4","1","1") = "6"
    & skf18("7","5","4","1","4","2","1") = "6"
    & skf18("7","5","4","1","4","3","1") = "6"
    & skf18("7","5","4","1","4","4","1") = "6"
    & skf18("7","5","4","1","4","5","1") = "6"
    & skf18("7","5","4","1","4","6","1") = "6"
    & skf18("7","5","4","1","4","7","1") = "6"
    & skf18("7","5","4","1","4","8","1") = "7"
    & skf18("7","5","4","1","4","9","1") = "8"
    & skf18("7","5","4","1","4","10","1") = "9"
    & skf18("7","5","4","1","5","1","1") = "6"
    & skf18("7","5","4","1","5","2","1") = "6"
    & skf18("7","5","4","1","5","3","1") = "6"
    & skf18("7","5","4","1","5","4","1") = "6"
    & skf18("7","5","4","1","5","5","1") = "6"
    & skf18("7","5","4","1","5","6","1") = "6"
    & skf18("7","5","4","1","5","7","1") = "6"
    & skf18("7","5","4","1","5","8","1") = "7"
    & skf18("7","5","4","1","5","9","1") = "8"
    & skf18("7","5","4","1","5","10","1") = "9"
    & skf18("7","5","4","1","6","1","1") = "6"
    & skf18("7","5","4","1","6","2","1") = "6"
    & skf18("7","5","4","1","6","3","1") = "6"
    & skf18("7","5","4","1","6","4","1") = "6"
    & skf18("7","5","4","1","6","5","1") = "6"
    & skf18("7","5","4","1","6","6","1") = "6"
    & skf18("7","5","4","1","6","7","1") = "6"
    & skf18("7","5","4","1","6","8","1") = "7"
    & skf18("7","5","4","1","6","9","1") = "8"
    & skf18("7","5","4","1","6","10","1") = "9"
    & skf18("7","5","4","1","7","1","1") = "6"
    & skf18("7","5","4","1","7","2","1") = "6"
    & skf18("7","5","4","1","7","3","1") = "6"
    & skf18("7","5","4","1","7","4","1") = "6"
    & skf18("7","5","4","1","7","5","1") = "6"
    & skf18("7","5","4","1","7","6","1") = "6"
    & skf18("7","5","4","1","7","7","1") = "6"
    & skf18("7","5","4","1","7","8","1") = "7"
    & skf18("7","5","4","1","7","9","1") = "8"
    & skf18("7","5","4","1","7","10","1") = "9"
    & skf18("7","5","4","1","8","1","1") = "7"
    & skf18("7","5","4","1","8","2","1") = "7"
    & skf18("7","5","4","1","8","3","1") = "7"
    & skf18("7","5","4","1","8","4","1") = "7"
    & skf18("7","5","4","1","8","5","1") = "7"
    & skf18("7","5","4","1","8","6","1") = "7"
    & skf18("7","5","4","1","8","7","1") = "7"
    & skf18("7","5","4","1","8","8","1") = "7"
    & skf18("7","5","4","1","8","9","1") = "8"
    & skf18("7","5","4","1","8","10","1") = "9"
    & skf18("7","5","4","1","9","1","1") = "8"
    & skf18("7","5","4","1","9","2","1") = "8"
    & skf18("7","5","4","1","9","3","1") = "8"
    & skf18("7","5","4","1","9","4","1") = "8"
    & skf18("7","5","4","1","9","5","1") = "8"
    & skf18("7","5","4","1","9","6","1") = "8"
    & skf18("7","5","4","1","9","7","1") = "8"
    & skf18("7","5","4","1","9","8","1") = "8"
    & skf18("7","5","4","1","9","9","1") = "8"
    & skf18("7","5","4","1","9","10","1") = "9"
    & skf18("7","5","4","1","10","1","1") = "9"
    & skf18("7","5","4","1","10","2","1") = "9"
    & skf18("7","5","4","1","10","3","1") = "9"
    & skf18("7","5","4","1","10","4","1") = "9"
    & skf18("7","5","4","1","10","5","1") = "9"
    & skf18("7","5","4","1","10","6","1") = "9"
    & skf18("7","5","4","1","10","7","1") = "9"
    & skf18("7","5","4","1","10","8","1") = "9"
    & skf18("7","5","4","1","10","9","1") = "9"
    & skf18("7","5","4","1","10","10","1") = "9"
    & skf18("7","5","4","2","1","1","1") = "6"
    & skf18("7","5","4","2","1","2","1") = "6"
    & skf18("7","5","4","2","1","3","1") = "6"
    & skf18("7","5","4","2","1","4","1") = "6"
    & skf18("7","5","4","2","1","5","1") = "6"
    & skf18("7","5","4","2","1","6","1") = "6"
    & skf18("7","5","4","2","1","7","1") = "6"
    & skf18("7","5","4","2","1","8","1") = "7"
    & skf18("7","5","4","2","1","9","1") = "8"
    & skf18("7","5","4","2","1","10","1") = "9"
    & skf18("7","5","4","2","2","1","1") = "6"
    & skf18("7","5","4","2","2","2","1") = "6"
    & skf18("7","5","4","2","2","3","1") = "6"
    & skf18("7","5","4","2","2","4","1") = "6"
    & skf18("7","5","4","2","2","5","1") = "6"
    & skf18("7","5","4","2","2","6","1") = "6"
    & skf18("7","5","4","2","2","7","1") = "6"
    & skf18("7","5","4","2","2","8","1") = "7"
    & skf18("7","5","4","2","2","9","1") = "8"
    & skf18("7","5","4","2","2","10","1") = "9"
    & skf18("7","5","4","2","3","1","1") = "6"
    & skf18("7","5","4","2","3","2","1") = "6"
    & skf18("7","5","4","2","3","3","1") = "6"
    & skf18("7","5","4","2","3","4","1") = "6"
    & skf18("7","5","4","2","3","5","1") = "6"
    & skf18("7","5","4","2","3","6","1") = "6"
    & skf18("7","5","4","2","3","7","1") = "6"
    & skf18("7","5","4","2","3","8","1") = "7"
    & skf18("7","5","4","2","3","9","1") = "8"
    & skf18("7","5","4","2","3","10","1") = "9"
    & skf18("7","5","4","2","4","1","1") = "6"
    & skf18("7","5","4","2","4","2","1") = "6"
    & skf18("7","5","4","2","4","3","1") = "6"
    & skf18("7","5","4","2","4","4","1") = "6"
    & skf18("7","5","4","2","4","5","1") = "6"
    & skf18("7","5","4","2","4","6","1") = "6"
    & skf18("7","5","4","2","4","7","1") = "6"
    & skf18("7","5","4","2","4","8","1") = "7"
    & skf18("7","5","4","2","4","9","1") = "8"
    & skf18("7","5","4","2","4","10","1") = "9"
    & skf18("7","5","4","2","5","1","1") = "6"
    & skf18("7","5","4","2","5","2","1") = "6"
    & skf18("7","5","4","2","5","3","1") = "6"
    & skf18("7","5","4","2","5","4","1") = "6"
    & skf18("7","5","4","2","5","5","1") = "6"
    & skf18("7","5","4","2","5","6","1") = "6"
    & skf18("7","5","4","2","5","7","1") = "6"
    & skf18("7","5","4","2","5","8","1") = "7"
    & skf18("7","5","4","2","5","9","1") = "8"
    & skf18("7","5","4","2","5","10","1") = "9"
    & skf18("7","5","4","2","6","1","1") = "6"
    & skf18("7","5","4","2","6","2","1") = "6"
    & skf18("7","5","4","2","6","3","1") = "6"
    & skf18("7","5","4","2","6","4","1") = "6"
    & skf18("7","5","4","2","6","5","1") = "6"
    & skf18("7","5","4","2","6","6","1") = "6"
    & skf18("7","5","4","2","6","7","1") = "6"
    & skf18("7","5","4","2","6","8","1") = "7"
    & skf18("7","5","4","2","6","9","1") = "8"
    & skf18("7","5","4","2","6","10","1") = "9"
    & skf18("7","5","4","2","7","1","1") = "6"
    & skf18("7","5","4","2","7","2","1") = "6"
    & skf18("7","5","4","2","7","3","1") = "6"
    & skf18("7","5","4","2","7","4","1") = "6"
    & skf18("7","5","4","2","7","5","1") = "6"
    & skf18("7","5","4","2","7","6","1") = "6"
    & skf18("7","5","4","2","7","7","1") = "6"
    & skf18("7","5","4","2","7","8","1") = "7"
    & skf18("7","5","4","2","7","9","1") = "8"
    & skf18("7","5","4","2","7","10","1") = "9"
    & skf18("7","5","4","2","8","1","1") = "7"
    & skf18("7","5","4","2","8","2","1") = "7"
    & skf18("7","5","4","2","8","3","1") = "7"
    & skf18("7","5","4","2","8","4","1") = "7"
    & skf18("7","5","4","2","8","5","1") = "7"
    & skf18("7","5","4","2","8","6","1") = "7"
    & skf18("7","5","4","2","8","7","1") = "7"
    & skf18("7","5","4","2","8","8","1") = "7"
    & skf18("7","5","4","2","8","9","1") = "8"
    & skf18("7","5","4","2","8","10","1") = "9"
    & skf18("7","5","4","2","9","1","1") = "8"
    & skf18("7","5","4","2","9","2","1") = "8"
    & skf18("7","5","4","2","9","3","1") = "8"
    & skf18("7","5","4","2","9","4","1") = "8"
    & skf18("7","5","4","2","9","5","1") = "8"
    & skf18("7","5","4","2","9","6","1") = "8"
    & skf18("7","5","4","2","9","7","1") = "8"
    & skf18("7","5","4","2","9","8","1") = "8"
    & skf18("7","5","4","2","9","9","1") = "8"
    & skf18("7","5","4","2","9","10","1") = "9"
    & skf18("7","5","4","2","10","1","1") = "9"
    & skf18("7","5","4","2","10","2","1") = "9"
    & skf18("7","5","4","2","10","3","1") = "9"
    & skf18("7","5","4","2","10","4","1") = "9"
    & skf18("7","5","4","2","10","5","1") = "9"
    & skf18("7","5","4","2","10","6","1") = "9"
    & skf18("7","5","4","2","10","7","1") = "9"
    & skf18("7","5","4","2","10","8","1") = "9"
    & skf18("7","5","4","2","10","9","1") = "9"
    & skf18("7","5","4","2","10","10","1") = "9"
    & skf18("7","5","4","3","1","1","1") = "6"
    & skf18("7","5","4","3","1","2","1") = "6"
    & skf18("7","5","4","3","1","3","1") = "6"
    & skf18("7","5","4","3","1","4","1") = "6"
    & skf18("7","5","4","3","1","5","1") = "6"
    & skf18("7","5","4","3","1","6","1") = "6"
    & skf18("7","5","4","3","1","7","1") = "6"
    & skf18("7","5","4","3","1","8","1") = "7"
    & skf18("7","5","4","3","1","9","1") = "8"
    & skf18("7","5","4","3","1","10","1") = "9"
    & skf18("7","5","4","3","2","1","1") = "6"
    & skf18("7","5","4","3","2","2","1") = "6"
    & skf18("7","5","4","3","2","3","1") = "6"
    & skf18("7","5","4","3","2","4","1") = "6"
    & skf18("7","5","4","3","2","5","1") = "6"
    & skf18("7","5","4","3","2","6","1") = "6"
    & skf18("7","5","4","3","2","7","1") = "6"
    & skf18("7","5","4","3","2","8","1") = "7"
    & skf18("7","5","4","3","2","9","1") = "8"
    & skf18("7","5","4","3","2","10","1") = "9"
    & skf18("7","5","4","3","3","1","1") = "6"
    & skf18("7","5","4","3","3","2","1") = "6"
    & skf18("7","5","4","3","3","3","1") = "6"
    & skf18("7","5","4","3","3","4","1") = "6"
    & skf18("7","5","4","3","3","5","1") = "6"
    & skf18("7","5","4","3","3","6","1") = "6"
    & skf18("7","5","4","3","3","7","1") = "6"
    & skf18("7","5","4","3","3","8","1") = "7"
    & skf18("7","5","4","3","3","9","1") = "8"
    & skf18("7","5","4","3","3","10","1") = "9"
    & skf18("7","5","4","3","4","1","1") = "6"
    & skf18("7","5","4","3","4","2","1") = "6"
    & skf18("7","5","4","3","4","3","1") = "6"
    & skf18("7","5","4","3","4","4","1") = "6"
    & skf18("7","5","4","3","4","5","1") = "6"
    & skf18("7","5","4","3","4","6","1") = "6"
    & skf18("7","5","4","3","4","7","1") = "6"
    & skf18("7","5","4","3","4","8","1") = "7"
    & skf18("7","5","4","3","4","9","1") = "8"
    & skf18("7","5","4","3","4","10","1") = "9"
    & skf18("7","5","4","3","5","1","1") = "6"
    & skf18("7","5","4","3","5","2","1") = "6"
    & skf18("7","5","4","3","5","3","1") = "6"
    & skf18("7","5","4","3","5","4","1") = "6"
    & skf18("7","5","4","3","5","5","1") = "6"
    & skf18("7","5","4","3","5","6","1") = "6"
    & skf18("7","5","4","3","5","7","1") = "6"
    & skf18("7","5","4","3","5","8","1") = "7"
    & skf18("7","5","4","3","5","9","1") = "8"
    & skf18("7","5","4","3","5","10","1") = "9"
    & skf18("7","5","4","3","6","1","1") = "6"
    & skf18("7","5","4","3","6","2","1") = "6"
    & skf18("7","5","4","3","6","3","1") = "6"
    & skf18("7","5","4","3","6","4","1") = "6"
    & skf18("7","5","4","3","6","5","1") = "6"
    & skf18("7","5","4","3","6","6","1") = "6"
    & skf18("7","5","4","3","6","7","1") = "6"
    & skf18("7","5","4","3","6","8","1") = "7"
    & skf18("7","5","4","3","6","9","1") = "8"
    & skf18("7","5","4","3","6","10","1") = "9"
    & skf18("7","5","4","3","7","1","1") = "6"
    & skf18("7","5","4","3","7","2","1") = "6"
    & skf18("7","5","4","3","7","3","1") = "6"
    & skf18("7","5","4","3","7","4","1") = "6"
    & skf18("7","5","4","3","7","5","1") = "6"
    & skf18("7","5","4","3","7","6","1") = "6"
    & skf18("7","5","4","3","7","7","1") = "6"
    & skf18("7","5","4","3","7","8","1") = "7"
    & skf18("7","5","4","3","7","9","1") = "8"
    & skf18("7","5","4","3","7","10","1") = "9"
    & skf18("7","5","4","3","8","1","1") = "7"
    & skf18("7","5","4","3","8","2","1") = "7"
    & skf18("7","5","4","3","8","3","1") = "7"
    & skf18("7","5","4","3","8","4","1") = "7"
    & skf18("7","5","4","3","8","5","1") = "7"
    & skf18("7","5","4","3","8","6","1") = "7"
    & skf18("7","5","4","3","8","7","1") = "7"
    & skf18("7","5","4","3","8","8","1") = "7"
    & skf18("7","5","4","3","8","9","1") = "8"
    & skf18("7","5","4","3","8","10","1") = "9"
    & skf18("7","5","4","3","9","1","1") = "8"
    & skf18("7","5","4","3","9","2","1") = "8"
    & skf18("7","5","4","3","9","3","1") = "8"
    & skf18("7","5","4","3","9","4","1") = "8"
    & skf18("7","5","4","3","9","5","1") = "8"
    & skf18("7","5","4","3","9","6","1") = "8"
    & skf18("7","5","4","3","9","7","1") = "8"
    & skf18("7","5","4","3","9","8","1") = "8"
    & skf18("7","5","4","3","9","9","1") = "8"
    & skf18("7","5","4","3","9","10","1") = "9"
    & skf18("7","5","4","3","10","1","1") = "9"
    & skf18("7","5","4","3","10","2","1") = "9"
    & skf18("7","5","4","3","10","3","1") = "9"
    & skf18("7","5","4","3","10","4","1") = "9"
    & skf18("7","5","4","3","10","5","1") = "9"
    & skf18("7","5","4","3","10","6","1") = "9"
    & skf18("7","5","4","3","10","7","1") = "9"
    & skf18("7","5","4","3","10","8","1") = "9"
    & skf18("7","5","4","3","10","9","1") = "9"
    & skf18("7","5","4","3","10","10","1") = "9"
    & skf18("7","5","4","4","1","1","1") = "6"
    & skf18("7","5","4","4","1","2","1") = "6"
    & skf18("7","5","4","4","1","3","1") = "6"
    & skf18("7","5","4","4","1","4","1") = "6"
    & skf18("7","5","4","4","1","5","1") = "6"
    & skf18("7","5","4","4","1","6","1") = "6"
    & skf18("7","5","4","4","1","7","1") = "6"
    & skf18("7","5","4","4","1","8","1") = "7"
    & skf18("7","5","4","4","1","9","1") = "8"
    & skf18("7","5","4","4","1","10","1") = "9"
    & skf18("7","5","4","4","2","1","1") = "6"
    & skf18("7","5","4","4","2","2","1") = "6"
    & skf18("7","5","4","4","2","3","1") = "6"
    & skf18("7","5","4","4","2","4","1") = "6"
    & skf18("7","5","4","4","2","5","1") = "6"
    & skf18("7","5","4","4","2","6","1") = "6"
    & skf18("7","5","4","4","2","7","1") = "6"
    & skf18("7","5","4","4","2","8","1") = "7"
    & skf18("7","5","4","4","2","9","1") = "8"
    & skf18("7","5","4","4","2","10","1") = "9"
    & skf18("7","5","4","4","3","1","1") = "6"
    & skf18("7","5","4","4","3","2","1") = "6"
    & skf18("7","5","4","4","3","3","1") = "6"
    & skf18("7","5","4","4","3","4","1") = "6"
    & skf18("7","5","4","4","3","5","1") = "6"
    & skf18("7","5","4","4","3","6","1") = "6"
    & skf18("7","5","4","4","3","7","1") = "6"
    & skf18("7","5","4","4","3","8","1") = "7"
    & skf18("7","5","4","4","3","9","1") = "8"
    & skf18("7","5","4","4","3","10","1") = "9"
    & skf18("7","5","4","4","4","1","1") = "6"
    & skf18("7","5","4","4","4","2","1") = "6"
    & skf18("7","5","4","4","4","3","1") = "6"
    & skf18("7","5","4","4","4","4","1") = "6"
    & skf18("7","5","4","4","4","5","1") = "6"
    & skf18("7","5","4","4","4","6","1") = "6"
    & skf18("7","5","4","4","4","7","1") = "6"
    & skf18("7","5","4","4","4","8","1") = "7"
    & skf18("7","5","4","4","4","9","1") = "8"
    & skf18("7","5","4","4","4","10","1") = "9"
    & skf18("7","5","4","4","5","1","1") = "6"
    & skf18("7","5","4","4","5","2","1") = "6"
    & skf18("7","5","4","4","5","3","1") = "6"
    & skf18("7","5","4","4","5","4","1") = "6"
    & skf18("7","5","4","4","5","5","1") = "6"
    & skf18("7","5","4","4","5","6","1") = "6"
    & skf18("7","5","4","4","5","7","1") = "6"
    & skf18("7","5","4","4","5","8","1") = "7"
    & skf18("7","5","4","4","5","9","1") = "8"
    & skf18("7","5","4","4","5","10","1") = "9"
    & skf18("7","5","4","4","6","1","1") = "6"
    & skf18("7","5","4","4","6","2","1") = "6"
    & skf18("7","5","4","4","6","3","1") = "6"
    & skf18("7","5","4","4","6","4","1") = "6"
    & skf18("7","5","4","4","6","5","1") = "6"
    & skf18("7","5","4","4","6","6","1") = "6"
    & skf18("7","5","4","4","6","7","1") = "6"
    & skf18("7","5","4","4","6","8","1") = "7"
    & skf18("7","5","4","4","6","9","1") = "8"
    & skf18("7","5","4","4","6","10","1") = "9"
    & skf18("7","5","4","4","7","1","1") = "6"
    & skf18("7","5","4","4","7","2","1") = "6"
    & skf18("7","5","4","4","7","3","1") = "6"
    & skf18("7","5","4","4","7","4","1") = "6"
    & skf18("7","5","4","4","7","5","1") = "6"
    & skf18("7","5","4","4","7","6","1") = "6"
    & skf18("7","5","4","4","7","7","1") = "6"
    & skf18("7","5","4","4","7","8","1") = "7"
    & skf18("7","5","4","4","7","9","1") = "8"
    & skf18("7","5","4","4","7","10","1") = "9"
    & skf18("7","5","4","4","8","1","1") = "7"
    & skf18("7","5","4","4","8","2","1") = "7"
    & skf18("7","5","4","4","8","3","1") = "7"
    & skf18("7","5","4","4","8","4","1") = "7"
    & skf18("7","5","4","4","8","5","1") = "7"
    & skf18("7","5","4","4","8","6","1") = "7"
    & skf18("7","5","4","4","8","7","1") = "7"
    & skf18("7","5","4","4","8","8","1") = "7"
    & skf18("7","5","4","4","8","9","1") = "8"
    & skf18("7","5","4","4","8","10","1") = "9"
    & skf18("7","5","4","4","9","1","1") = "8"
    & skf18("7","5","4","4","9","2","1") = "8"
    & skf18("7","5","4","4","9","3","1") = "8"
    & skf18("7","5","4","4","9","4","1") = "8"
    & skf18("7","5","4","4","9","5","1") = "8"
    & skf18("7","5","4","4","9","6","1") = "8"
    & skf18("7","5","4","4","9","7","1") = "8"
    & skf18("7","5","4","4","9","8","1") = "8"
    & skf18("7","5","4","4","9","9","1") = "8"
    & skf18("7","5","4","4","9","10","1") = "9"
    & skf18("7","5","4","4","10","1","1") = "9"
    & skf18("7","5","4","4","10","2","1") = "9"
    & skf18("7","5","4","4","10","3","1") = "9"
    & skf18("7","5","4","4","10","4","1") = "9"
    & skf18("7","5","4","4","10","5","1") = "9"
    & skf18("7","5","4","4","10","6","1") = "9"
    & skf18("7","5","4","4","10","7","1") = "9"
    & skf18("7","5","4","4","10","8","1") = "9"
    & skf18("7","5","4","4","10","9","1") = "9"
    & skf18("7","5","4","4","10","10","1") = "9"
    & skf18("7","5","4","5","1","1","1") = "6"
    & skf18("7","5","4","5","1","2","1") = "6"
    & skf18("7","5","4","5","1","3","1") = "6"
    & skf18("7","5","4","5","1","4","1") = "6"
    & skf18("7","5","4","5","1","5","1") = "6"
    & skf18("7","5","4","5","1","6","1") = "6"
    & skf18("7","5","4","5","1","7","1") = "6"
    & skf18("7","5","4","5","1","8","1") = "7"
    & skf18("7","5","4","5","1","9","1") = "8"
    & skf18("7","5","4","5","1","10","1") = "9"
    & skf18("7","5","4","5","2","1","1") = "6"
    & skf18("7","5","4","5","2","2","1") = "6"
    & skf18("7","5","4","5","2","3","1") = "6"
    & skf18("7","5","4","5","2","4","1") = "6"
    & skf18("7","5","4","5","2","5","1") = "6"
    & skf18("7","5","4","5","2","6","1") = "6"
    & skf18("7","5","4","5","2","7","1") = "6"
    & skf18("7","5","4","5","2","8","1") = "7"
    & skf18("7","5","4","5","2","9","1") = "8"
    & skf18("7","5","4","5","2","10","1") = "9"
    & skf18("7","5","4","5","3","1","1") = "6"
    & skf18("7","5","4","5","3","2","1") = "6"
    & skf18("7","5","4","5","3","3","1") = "6"
    & skf18("7","5","4","5","3","4","1") = "6"
    & skf18("7","5","4","5","3","5","1") = "6"
    & skf18("7","5","4","5","3","6","1") = "6"
    & skf18("7","5","4","5","3","7","1") = "6"
    & skf18("7","5","4","5","3","8","1") = "7"
    & skf18("7","5","4","5","3","9","1") = "8"
    & skf18("7","5","4","5","3","10","1") = "9"
    & skf18("7","5","4","5","4","1","1") = "6"
    & skf18("7","5","4","5","4","2","1") = "6"
    & skf18("7","5","4","5","4","3","1") = "6"
    & skf18("7","5","4","5","4","4","1") = "6"
    & skf18("7","5","4","5","4","5","1") = "6"
    & skf18("7","5","4","5","4","6","1") = "6"
    & skf18("7","5","4","5","4","7","1") = "6"
    & skf18("7","5","4","5","4","8","1") = "7"
    & skf18("7","5","4","5","4","9","1") = "8"
    & skf18("7","5","4","5","4","10","1") = "9"
    & skf18("7","5","4","5","5","1","1") = "6"
    & skf18("7","5","4","5","5","2","1") = "6"
    & skf18("7","5","4","5","5","3","1") = "6"
    & skf18("7","5","4","5","5","4","1") = "6"
    & skf18("7","5","4","5","5","5","1") = "6"
    & skf18("7","5","4","5","5","6","1") = "6"
    & skf18("7","5","4","5","5","7","1") = "6"
    & skf18("7","5","4","5","5","8","1") = "7"
    & skf18("7","5","4","5","5","9","1") = "8"
    & skf18("7","5","4","5","5","10","1") = "9"
    & skf18("7","5","4","5","6","1","1") = "6"
    & skf18("7","5","4","5","6","2","1") = "6"
    & skf18("7","5","4","5","6","3","1") = "6"
    & skf18("7","5","4","5","6","4","1") = "6"
    & skf18("7","5","4","5","6","5","1") = "6"
    & skf18("7","5","4","5","6","6","1") = "6"
    & skf18("7","5","4","5","6","7","1") = "6"
    & skf18("7","5","4","5","6","8","1") = "7"
    & skf18("7","5","4","5","6","9","1") = "8"
    & skf18("7","5","4","5","6","10","1") = "9"
    & skf18("7","5","4","5","7","1","1") = "6"
    & skf18("7","5","4","5","7","2","1") = "6"
    & skf18("7","5","4","5","7","3","1") = "6"
    & skf18("7","5","4","5","7","4","1") = "6"
    & skf18("7","5","4","5","7","5","1") = "6"
    & skf18("7","5","4","5","7","6","1") = "6"
    & skf18("7","5","4","5","7","7","1") = "6"
    & skf18("7","5","4","5","7","8","1") = "7"
    & skf18("7","5","4","5","7","9","1") = "8"
    & skf18("7","5","4","5","7","10","1") = "9"
    & skf18("7","5","4","5","8","1","1") = "7"
    & skf18("7","5","4","5","8","2","1") = "7"
    & skf18("7","5","4","5","8","3","1") = "7"
    & skf18("7","5","4","5","8","4","1") = "7"
    & skf18("7","5","4","5","8","5","1") = "7"
    & skf18("7","5","4","5","8","6","1") = "7"
    & skf18("7","5","4","5","8","7","1") = "7"
    & skf18("7","5","4","5","8","8","1") = "7"
    & skf18("7","5","4","5","8","9","1") = "8"
    & skf18("7","5","4","5","8","10","1") = "9"
    & skf18("7","5","4","5","9","1","1") = "8"
    & skf18("7","5","4","5","9","2","1") = "8"
    & skf18("7","5","4","5","9","3","1") = "8"
    & skf18("7","5","4","5","9","4","1") = "8"
    & skf18("7","5","4","5","9","5","1") = "8"
    & skf18("7","5","4","5","9","6","1") = "8"
    & skf18("7","5","4","5","9","7","1") = "8"
    & skf18("7","5","4","5","9","8","1") = "8"
    & skf18("7","5","4","5","9","9","1") = "8"
    & skf18("7","5","4","5","9","10","1") = "9"
    & skf18("7","5","4","5","10","1","1") = "9"
    & skf18("7","5","4","5","10","2","1") = "9"
    & skf18("7","5","4","5","10","3","1") = "9"
    & skf18("7","5","4","5","10","4","1") = "9"
    & skf18("7","5","4","5","10","5","1") = "9"
    & skf18("7","5","4","5","10","6","1") = "9"
    & skf18("7","5","4","5","10","7","1") = "9"
    & skf18("7","5","4","5","10","8","1") = "9"
    & skf18("7","5","4","5","10","9","1") = "9"
    & skf18("7","5","4","5","10","10","1") = "9"
    & skf18("7","5","4","6","1","1","1") = "6"
    & skf18("7","5","4","6","1","2","1") = "6"
    & skf18("7","5","4","6","1","3","1") = "6"
    & skf18("7","5","4","6","1","4","1") = "6"
    & skf18("7","5","4","6","1","5","1") = "6"
    & skf18("7","5","4","6","1","6","1") = "6"
    & skf18("7","5","4","6","1","7","1") = "6"
    & skf18("7","5","4","6","1","8","1") = "7"
    & skf18("7","5","4","6","1","9","1") = "8"
    & skf18("7","5","4","6","1","10","1") = "9"
    & skf18("7","5","4","6","2","1","1") = "6"
    & skf18("7","5","4","6","2","2","1") = "6"
    & skf18("7","5","4","6","2","3","1") = "6"
    & skf18("7","5","4","6","2","4","1") = "6"
    & skf18("7","5","4","6","2","5","1") = "6"
    & skf18("7","5","4","6","2","6","1") = "6"
    & skf18("7","5","4","6","2","7","1") = "6"
    & skf18("7","5","4","6","2","8","1") = "7"
    & skf18("7","5","4","6","2","9","1") = "8"
    & skf18("7","5","4","6","2","10","1") = "9"
    & skf18("7","5","4","6","3","1","1") = "6"
    & skf18("7","5","4","6","3","2","1") = "6"
    & skf18("7","5","4","6","3","3","1") = "6"
    & skf18("7","5","4","6","3","4","1") = "6"
    & skf18("7","5","4","6","3","5","1") = "6"
    & skf18("7","5","4","6","3","6","1") = "6"
    & skf18("7","5","4","6","3","7","1") = "6"
    & skf18("7","5","4","6","3","8","1") = "7"
    & skf18("7","5","4","6","3","9","1") = "8"
    & skf18("7","5","4","6","3","10","1") = "9"
    & skf18("7","5","4","6","4","1","1") = "6"
    & skf18("7","5","4","6","4","2","1") = "6"
    & skf18("7","5","4","6","4","3","1") = "6"
    & skf18("7","5","4","6","4","4","1") = "6"
    & skf18("7","5","4","6","4","5","1") = "6"
    & skf18("7","5","4","6","4","6","1") = "6"
    & skf18("7","5","4","6","4","7","1") = "6"
    & skf18("7","5","4","6","4","8","1") = "7"
    & skf18("7","5","4","6","4","9","1") = "8"
    & skf18("7","5","4","6","4","10","1") = "9"
    & skf18("7","5","4","6","5","1","1") = "6"
    & skf18("7","5","4","6","5","2","1") = "6"
    & skf18("7","5","4","6","5","3","1") = "6"
    & skf18("7","5","4","6","5","4","1") = "6"
    & skf18("7","5","4","6","5","5","1") = "6"
    & skf18("7","5","4","6","5","6","1") = "6"
    & skf18("7","5","4","6","5","7","1") = "6"
    & skf18("7","5","4","6","5","8","1") = "7"
    & skf18("7","5","4","6","5","9","1") = "8"
    & skf18("7","5","4","6","5","10","1") = "9"
    & skf18("7","5","4","6","6","1","1") = "6"
    & skf18("7","5","4","6","6","2","1") = "6"
    & skf18("7","5","4","6","6","3","1") = "6"
    & skf18("7","5","4","6","6","4","1") = "6"
    & skf18("7","5","4","6","6","5","1") = "6"
    & skf18("7","5","4","6","6","6","1") = "6"
    & skf18("7","5","4","6","6","7","1") = "6"
    & skf18("7","5","4","6","6","8","1") = "7"
    & skf18("7","5","4","6","6","9","1") = "8"
    & skf18("7","5","4","6","6","10","1") = "9"
    & skf18("7","5","4","6","7","1","1") = "6"
    & skf18("7","5","4","6","7","2","1") = "6"
    & skf18("7","5","4","6","7","3","1") = "6"
    & skf18("7","5","4","6","7","4","1") = "6"
    & skf18("7","5","4","6","7","5","1") = "6"
    & skf18("7","5","4","6","7","6","1") = "6"
    & skf18("7","5","4","6","7","7","1") = "6"
    & skf18("7","5","4","6","7","8","1") = "7"
    & skf18("7","5","4","6","7","9","1") = "8"
    & skf18("7","5","4","6","7","10","1") = "9"
    & skf18("7","5","4","6","8","1","1") = "7"
    & skf18("7","5","4","6","8","2","1") = "7"
    & skf18("7","5","4","6","8","3","1") = "7"
    & skf18("7","5","4","6","8","4","1") = "7"
    & skf18("7","5","4","6","8","5","1") = "7"
    & skf18("7","5","4","6","8","6","1") = "7"
    & skf18("7","5","4","6","8","7","1") = "7"
    & skf18("7","5","4","6","8","8","1") = "7"
    & skf18("7","5","4","6","8","9","1") = "8"
    & skf18("7","5","4","6","8","10","1") = "9"
    & skf18("7","5","4","6","9","1","1") = "8"
    & skf18("7","5","4","6","9","2","1") = "8"
    & skf18("7","5","4","6","9","3","1") = "8"
    & skf18("7","5","4","6","9","4","1") = "8"
    & skf18("7","5","4","6","9","5","1") = "8"
    & skf18("7","5","4","6","9","6","1") = "8"
    & skf18("7","5","4","6","9","7","1") = "8"
    & skf18("7","5","4","6","9","8","1") = "8"
    & skf18("7","5","4","6","9","9","1") = "8"
    & skf18("7","5","4","6","9","10","1") = "9"
    & skf18("7","5","4","6","10","1","1") = "9"
    & skf18("7","5","4","6","10","2","1") = "9"
    & skf18("7","5","4","6","10","3","1") = "9"
    & skf18("7","5","4","6","10","4","1") = "9"
    & skf18("7","5","4","6","10","5","1") = "9"
    & skf18("7","5","4","6","10","6","1") = "9"
    & skf18("7","5","4","6","10","7","1") = "9"
    & skf18("7","5","4","6","10","8","1") = "9"
    & skf18("7","5","4","6","10","9","1") = "9"
    & skf18("7","5","4","6","10","10","1") = "9"
    & skf18("7","5","4","7","1","1","1") = "6"
    & skf18("7","5","4","7","1","2","1") = "6"
    & skf18("7","5","4","7","1","3","1") = "6"
    & skf18("7","5","4","7","1","4","1") = "6"
    & skf18("7","5","4","7","1","5","1") = "6"
    & skf18("7","5","4","7","1","6","1") = "6"
    & skf18("7","5","4","7","1","7","1") = "6"
    & skf18("7","5","4","7","1","8","1") = "7"
    & skf18("7","5","4","7","1","9","1") = "8"
    & skf18("7","5","4","7","1","10","1") = "9"
    & skf18("7","5","4","7","2","1","1") = "6"
    & skf18("7","5","4","7","2","2","1") = "6"
    & skf18("7","5","4","7","2","3","1") = "6"
    & skf18("7","5","4","7","2","4","1") = "6"
    & skf18("7","5","4","7","2","5","1") = "6"
    & skf18("7","5","4","7","2","6","1") = "6"
    & skf18("7","5","4","7","2","7","1") = "6"
    & skf18("7","5","4","7","2","8","1") = "7"
    & skf18("7","5","4","7","2","9","1") = "8"
    & skf18("7","5","4","7","2","10","1") = "9"
    & skf18("7","5","4","7","3","1","1") = "6"
    & skf18("7","5","4","7","3","2","1") = "6"
    & skf18("7","5","4","7","3","3","1") = "6"
    & skf18("7","5","4","7","3","4","1") = "6"
    & skf18("7","5","4","7","3","5","1") = "6"
    & skf18("7","5","4","7","3","6","1") = "6"
    & skf18("7","5","4","7","3","7","1") = "6"
    & skf18("7","5","4","7","3","8","1") = "7"
    & skf18("7","5","4","7","3","9","1") = "8"
    & skf18("7","5","4","7","3","10","1") = "9"
    & skf18("7","5","4","7","4","1","1") = "6"
    & skf18("7","5","4","7","4","2","1") = "6"
    & skf18("7","5","4","7","4","3","1") = "6"
    & skf18("7","5","4","7","4","4","1") = "6"
    & skf18("7","5","4","7","4","5","1") = "6"
    & skf18("7","5","4","7","4","6","1") = "6"
    & skf18("7","5","4","7","4","7","1") = "6"
    & skf18("7","5","4","7","4","8","1") = "7"
    & skf18("7","5","4","7","4","9","1") = "8"
    & skf18("7","5","4","7","4","10","1") = "9"
    & skf18("7","5","4","7","5","1","1") = "6"
    & skf18("7","5","4","7","5","2","1") = "6"
    & skf18("7","5","4","7","5","3","1") = "6"
    & skf18("7","5","4","7","5","4","1") = "6"
    & skf18("7","5","4","7","5","5","1") = "6"
    & skf18("7","5","4","7","5","6","1") = "6"
    & skf18("7","5","4","7","5","7","1") = "6"
    & skf18("7","5","4","7","5","8","1") = "7"
    & skf18("7","5","4","7","5","9","1") = "8"
    & skf18("7","5","4","7","5","10","1") = "9"
    & skf18("7","5","4","7","6","1","1") = "6"
    & skf18("7","5","4","7","6","2","1") = "6"
    & skf18("7","5","4","7","6","3","1") = "6"
    & skf18("7","5","4","7","6","4","1") = "6"
    & skf18("7","5","4","7","6","5","1") = "6"
    & skf18("7","5","4","7","6","6","1") = "6"
    & skf18("7","5","4","7","6","7","1") = "6"
    & skf18("7","5","4","7","6","8","1") = "7"
    & skf18("7","5","4","7","6","9","1") = "8"
    & skf18("7","5","4","7","6","10","1") = "9"
    & skf18("7","5","4","7","7","1","1") = "6"
    & skf18("7","5","4","7","7","2","1") = "6"
    & skf18("7","5","4","7","7","3","1") = "6"
    & skf18("7","5","4","7","7","4","1") = "6"
    & skf18("7","5","4","7","7","5","1") = "6"
    & skf18("7","5","4","7","7","6","1") = "6"
    & skf18("7","5","4","7","7","7","1") = "6"
    & skf18("7","5","4","7","7","8","1") = "7"
    & skf18("7","5","4","7","7","9","1") = "8"
    & skf18("7","5","4","7","7","10","1") = "9"
    & skf18("7","5","4","7","8","1","1") = "7"
    & skf18("7","5","4","7","8","2","1") = "7"
    & skf18("7","5","4","7","8","3","1") = "7"
    & skf18("7","5","4","7","8","4","1") = "7"
    & skf18("7","5","4","7","8","5","1") = "7"
    & skf18("7","5","4","7","8","6","1") = "7"
    & skf18("7","5","4","7","8","7","1") = "7"
    & skf18("7","5","4","7","8","8","1") = "7"
    & skf18("7","5","4","7","8","9","1") = "8"
    & skf18("7","5","4","7","8","10","1") = "9"
    & skf18("7","5","4","7","9","1","1") = "8"
    & skf18("7","5","4","7","9","2","1") = "8"
    & skf18("7","5","4","7","9","3","1") = "8"
    & skf18("7","5","4","7","9","4","1") = "8"
    & skf18("7","5","4","7","9","5","1") = "8"
    & skf18("7","5","4","7","9","6","1") = "8"
    & skf18("7","5","4","7","9","7","1") = "8"
    & skf18("7","5","4","7","9","8","1") = "8"
    & skf18("7","5","4","7","9","9","1") = "8"
    & skf18("7","5","4","7","9","10","1") = "9"
    & skf18("7","5","4","7","10","1","1") = "9"
    & skf18("7","5","4","7","10","2","1") = "9"
    & skf18("7","5","4","7","10","3","1") = "9"
    & skf18("7","5","4","7","10","4","1") = "9"
    & skf18("7","5","4","7","10","5","1") = "9"
    & skf18("7","5","4","7","10","6","1") = "9"
    & skf18("7","5","4","7","10","7","1") = "9"
    & skf18("7","5","4","7","10","8","1") = "9"
    & skf18("7","5","4","7","10","9","1") = "9"
    & skf18("7","5","4","7","10","10","1") = "9"
    & skf18("7","5","4","8","1","1","1") = "7"
    & skf18("7","5","4","8","1","2","1") = "7"
    & skf18("7","5","4","8","1","3","1") = "7"
    & skf18("7","5","4","8","1","4","1") = "7"
    & skf18("7","5","4","8","1","5","1") = "7"
    & skf18("7","5","4","8","1","6","1") = "7"
    & skf18("7","5","4","8","1","7","1") = "7"
    & skf18("7","5","4","8","1","8","1") = "7"
    & skf18("7","5","4","8","1","9","1") = "8"
    & skf18("7","5","4","8","1","10","1") = "9"
    & skf18("7","5","4","8","2","1","1") = "7"
    & skf18("7","5","4","8","2","2","1") = "7"
    & skf18("7","5","4","8","2","3","1") = "7"
    & skf18("7","5","4","8","2","4","1") = "7"
    & skf18("7","5","4","8","2","5","1") = "7"
    & skf18("7","5","4","8","2","6","1") = "7"
    & skf18("7","5","4","8","2","7","1") = "7"
    & skf18("7","5","4","8","2","8","1") = "7"
    & skf18("7","5","4","8","2","9","1") = "8"
    & skf18("7","5","4","8","2","10","1") = "9"
    & skf18("7","5","4","8","3","1","1") = "7"
    & skf18("7","5","4","8","3","2","1") = "7"
    & skf18("7","5","4","8","3","3","1") = "7"
    & skf18("7","5","4","8","3","4","1") = "7"
    & skf18("7","5","4","8","3","5","1") = "7"
    & skf18("7","5","4","8","3","6","1") = "7"
    & skf18("7","5","4","8","3","7","1") = "7"
    & skf18("7","5","4","8","3","8","1") = "7"
    & skf18("7","5","4","8","3","9","1") = "8"
    & skf18("7","5","4","8","3","10","1") = "9"
    & skf18("7","5","4","8","4","1","1") = "7"
    & skf18("7","5","4","8","4","2","1") = "7"
    & skf18("7","5","4","8","4","3","1") = "7"
    & skf18("7","5","4","8","4","4","1") = "7"
    & skf18("7","5","4","8","4","5","1") = "7"
    & skf18("7","5","4","8","4","6","1") = "7"
    & skf18("7","5","4","8","4","7","1") = "7"
    & skf18("7","5","4","8","4","8","1") = "7"
    & skf18("7","5","4","8","4","9","1") = "8"
    & skf18("7","5","4","8","4","10","1") = "9"
    & skf18("7","5","4","8","5","1","1") = "7"
    & skf18("7","5","4","8","5","2","1") = "7"
    & skf18("7","5","4","8","5","3","1") = "7"
    & skf18("7","5","4","8","5","4","1") = "7"
    & skf18("7","5","4","8","5","5","1") = "7"
    & skf18("7","5","4","8","5","6","1") = "7"
    & skf18("7","5","4","8","5","7","1") = "7"
    & skf18("7","5","4","8","5","8","1") = "7"
    & skf18("7","5","4","8","5","9","1") = "8"
    & skf18("7","5","4","8","5","10","1") = "9"
    & skf18("7","5","4","8","6","1","1") = "7"
    & skf18("7","5","4","8","6","2","1") = "7"
    & skf18("7","5","4","8","6","3","1") = "7"
    & skf18("7","5","4","8","6","4","1") = "7"
    & skf18("7","5","4","8","6","5","1") = "7"
    & skf18("7","5","4","8","6","6","1") = "7"
    & skf18("7","5","4","8","6","7","1") = "7"
    & skf18("7","5","4","8","6","8","1") = "7"
    & skf18("7","5","4","8","6","9","1") = "8"
    & skf18("7","5","4","8","6","10","1") = "9"
    & skf18("7","5","4","8","7","1","1") = "7"
    & skf18("7","5","4","8","7","2","1") = "7"
    & skf18("7","5","4","8","7","3","1") = "7"
    & skf18("7","5","4","8","7","4","1") = "7"
    & skf18("7","5","4","8","7","5","1") = "7"
    & skf18("7","5","4","8","7","6","1") = "7"
    & skf18("7","5","4","8","7","7","1") = "7"
    & skf18("7","5","4","8","7","8","1") = "7"
    & skf18("7","5","4","8","7","9","1") = "8"
    & skf18("7","5","4","8","7","10","1") = "9"
    & skf18("7","5","4","8","8","1","1") = "7"
    & skf18("7","5","4","8","8","2","1") = "7"
    & skf18("7","5","4","8","8","3","1") = "7"
    & skf18("7","5","4","8","8","4","1") = "7"
    & skf18("7","5","4","8","8","5","1") = "7"
    & skf18("7","5","4","8","8","6","1") = "7"
    & skf18("7","5","4","8","8","7","1") = "7"
    & skf18("7","5","4","8","8","8","1") = "7"
    & skf18("7","5","4","8","8","9","1") = "8"
    & skf18("7","5","4","8","8","10","1") = "9"
    & skf18("7","5","4","8","9","1","1") = "8"
    & skf18("7","5","4","8","9","2","1") = "8"
    & skf18("7","5","4","8","9","3","1") = "8"
    & skf18("7","5","4","8","9","4","1") = "8"
    & skf18("7","5","4","8","9","5","1") = "8"
    & skf18("7","5","4","8","9","6","1") = "8"
    & skf18("7","5","4","8","9","7","1") = "8"
    & skf18("7","5","4","8","9","8","1") = "8"
    & skf18("7","5","4","8","9","9","1") = "8"
    & skf18("7","5","4","8","9","10","1") = "9"
    & skf18("7","5","4","8","10","1","1") = "9"
    & skf18("7","5","4","8","10","2","1") = "9"
    & skf18("7","5","4","8","10","3","1") = "9"
    & skf18("7","5","4","8","10","4","1") = "9"
    & skf18("7","5","4","8","10","5","1") = "9"
    & skf18("7","5","4","8","10","6","1") = "9"
    & skf18("7","5","4","8","10","7","1") = "9"
    & skf18("7","5","4","8","10","8","1") = "9"
    & skf18("7","5","4","8","10","9","1") = "9"
    & skf18("7","5","4","8","10","10","1") = "9"
    & skf18("7","5","4","9","1","1","1") = "8"
    & skf18("7","5","4","9","1","2","1") = "8"
    & skf18("7","5","4","9","1","3","1") = "8"
    & skf18("7","5","4","9","1","4","1") = "8"
    & skf18("7","5","4","9","1","5","1") = "8"
    & skf18("7","5","4","9","1","6","1") = "8"
    & skf18("7","5","4","9","1","7","1") = "8"
    & skf18("7","5","4","9","1","8","1") = "8"
    & skf18("7","5","4","9","1","9","1") = "8"
    & skf18("7","5","4","9","1","10","1") = "9"
    & skf18("7","5","4","9","2","1","1") = "8"
    & skf18("7","5","4","9","2","2","1") = "8"
    & skf18("7","5","4","9","2","3","1") = "8"
    & skf18("7","5","4","9","2","4","1") = "8"
    & skf18("7","5","4","9","2","5","1") = "8"
    & skf18("7","5","4","9","2","6","1") = "8"
    & skf18("7","5","4","9","2","7","1") = "8"
    & skf18("7","5","4","9","2","8","1") = "8"
    & skf18("7","5","4","9","2","9","1") = "8"
    & skf18("7","5","4","9","2","10","1") = "9"
    & skf18("7","5","4","9","3","1","1") = "8"
    & skf18("7","5","4","9","3","2","1") = "8"
    & skf18("7","5","4","9","3","3","1") = "8"
    & skf18("7","5","4","9","3","4","1") = "8"
    & skf18("7","5","4","9","3","5","1") = "8"
    & skf18("7","5","4","9","3","6","1") = "8"
    & skf18("7","5","4","9","3","7","1") = "8"
    & skf18("7","5","4","9","3","8","1") = "8"
    & skf18("7","5","4","9","3","9","1") = "8"
    & skf18("7","5","4","9","3","10","1") = "9"
    & skf18("7","5","4","9","4","1","1") = "8"
    & skf18("7","5","4","9","4","2","1") = "8"
    & skf18("7","5","4","9","4","3","1") = "8"
    & skf18("7","5","4","9","4","4","1") = "8"
    & skf18("7","5","4","9","4","5","1") = "8"
    & skf18("7","5","4","9","4","6","1") = "8"
    & skf18("7","5","4","9","4","7","1") = "8"
    & skf18("7","5","4","9","4","8","1") = "8"
    & skf18("7","5","4","9","4","9","1") = "8"
    & skf18("7","5","4","9","4","10","1") = "9"
    & skf18("7","5","4","9","5","1","1") = "8"
    & skf18("7","5","4","9","5","2","1") = "8"
    & skf18("7","5","4","9","5","3","1") = "8"
    & skf18("7","5","4","9","5","4","1") = "8"
    & skf18("7","5","4","9","5","5","1") = "8"
    & skf18("7","5","4","9","5","6","1") = "8"
    & skf18("7","5","4","9","5","7","1") = "8"
    & skf18("7","5","4","9","5","8","1") = "8"
    & skf18("7","5","4","9","5","9","1") = "8"
    & skf18("7","5","4","9","5","10","1") = "9"
    & skf18("7","5","4","9","6","1","1") = "8"
    & skf18("7","5","4","9","6","2","1") = "8"
    & skf18("7","5","4","9","6","3","1") = "8"
    & skf18("7","5","4","9","6","4","1") = "8"
    & skf18("7","5","4","9","6","5","1") = "8"
    & skf18("7","5","4","9","6","6","1") = "8"
    & skf18("7","5","4","9","6","7","1") = "8"
    & skf18("7","5","4","9","6","8","1") = "8"
    & skf18("7","5","4","9","6","9","1") = "8"
    & skf18("7","5","4","9","6","10","1") = "9"
    & skf18("7","5","4","9","7","1","1") = "8"
    & skf18("7","5","4","9","7","2","1") = "8"
    & skf18("7","5","4","9","7","3","1") = "8"
    & skf18("7","5","4","9","7","4","1") = "8"
    & skf18("7","5","4","9","7","5","1") = "8"
    & skf18("7","5","4","9","7","6","1") = "8"
    & skf18("7","5","4","9","7","7","1") = "8"
    & skf18("7","5","4","9","7","8","1") = "8"
    & skf18("7","5","4","9","7","9","1") = "8"
    & skf18("7","5","4","9","7","10","1") = "9"
    & skf18("7","5","4","9","8","1","1") = "8"
    & skf18("7","5","4","9","8","2","1") = "8"
    & skf18("7","5","4","9","8","3","1") = "8"
    & skf18("7","5","4","9","8","4","1") = "8"
    & skf18("7","5","4","9","8","5","1") = "8"
    & skf18("7","5","4","9","8","6","1") = "8"
    & skf18("7","5","4","9","8","7","1") = "8"
    & skf18("7","5","4","9","8","8","1") = "8"
    & skf18("7","5","4","9","8","9","1") = "8"
    & skf18("7","5","4","9","8","10","1") = "9"
    & skf18("7","5","4","9","9","1","1") = "8"
    & skf18("7","5","4","9","9","2","1") = "8"
    & skf18("7","5","4","9","9","3","1") = "8"
    & skf18("7","5","4","9","9","4","1") = "8"
    & skf18("7","5","4","9","9","5","1") = "8"
    & skf18("7","5","4","9","9","6","1") = "8"
    & skf18("7","5","4","9","9","7","1") = "8"
    & skf18("7","5","4","9","9","8","1") = "8"
    & skf18("7","5","4","9","9","9","1") = "8"
    & skf18("7","5","4","9","9","10","1") = "9"
    & skf18("7","5","4","9","10","1","1") = "9"
    & skf18("7","5","4","9","10","2","1") = "9"
    & skf18("7","5","4","9","10","3","1") = "9"
    & skf18("7","5","4","9","10","4","1") = "9"
    & skf18("7","5","4","9","10","5","1") = "9"
    & skf18("7","5","4","9","10","6","1") = "9"
    & skf18("7","5","4","9","10","7","1") = "9"
    & skf18("7","5","4","9","10","8","1") = "9"
    & skf18("7","5","4","9","10","9","1") = "9"
    & skf18("7","5","4","9","10","10","1") = "9"
    & skf18("7","5","4","10","1","1","1") = "9"
    & skf18("7","5","4","10","1","2","1") = "9"
    & skf18("7","5","4","10","1","3","1") = "9"
    & skf18("7","5","4","10","1","4","1") = "9"
    & skf18("7","5","4","10","1","5","1") = "9"
    & skf18("7","5","4","10","1","6","1") = "9"
    & skf18("7","5","4","10","1","7","1") = "9"
    & skf18("7","5","4","10","1","8","1") = "9"
    & skf18("7","5","4","10","1","9","1") = "9"
    & skf18("7","5","4","10","1","10","1") = "9"
    & skf18("7","5","4","10","2","1","1") = "9"
    & skf18("7","5","4","10","2","2","1") = "9"
    & skf18("7","5","4","10","2","3","1") = "9"
    & skf18("7","5","4","10","2","4","1") = "9"
    & skf18("7","5","4","10","2","5","1") = "9"
    & skf18("7","5","4","10","2","6","1") = "9"
    & skf18("7","5","4","10","2","7","1") = "9"
    & skf18("7","5","4","10","2","8","1") = "9"
    & skf18("7","5","4","10","2","9","1") = "9"
    & skf18("7","5","4","10","2","10","1") = "9"
    & skf18("7","5","4","10","3","1","1") = "9"
    & skf18("7","5","4","10","3","2","1") = "9"
    & skf18("7","5","4","10","3","3","1") = "9"
    & skf18("7","5","4","10","3","4","1") = "9"
    & skf18("7","5","4","10","3","5","1") = "9"
    & skf18("7","5","4","10","3","6","1") = "9"
    & skf18("7","5","4","10","3","7","1") = "9"
    & skf18("7","5","4","10","3","8","1") = "9"
    & skf18("7","5","4","10","3","9","1") = "9"
    & skf18("7","5","4","10","3","10","1") = "9"
    & skf18("7","5","4","10","4","1","1") = "9"
    & skf18("7","5","4","10","4","2","1") = "9"
    & skf18("7","5","4","10","4","3","1") = "9"
    & skf18("7","5","4","10","4","4","1") = "9"
    & skf18("7","5","4","10","4","5","1") = "9"
    & skf18("7","5","4","10","4","6","1") = "9"
    & skf18("7","5","4","10","4","7","1") = "9"
    & skf18("7","5","4","10","4","8","1") = "9"
    & skf18("7","5","4","10","4","9","1") = "9"
    & skf18("7","5","4","10","4","10","1") = "9"
    & skf18("7","5","4","10","5","1","1") = "9"
    & skf18("7","5","4","10","5","2","1") = "9"
    & skf18("7","5","4","10","5","3","1") = "9"
    & skf18("7","5","4","10","5","4","1") = "9"
    & skf18("7","5","4","10","5","5","1") = "9"
    & skf18("7","5","4","10","5","6","1") = "9"
    & skf18("7","5","4","10","5","7","1") = "9"
    & skf18("7","5","4","10","5","8","1") = "9"
    & skf18("7","5","4","10","5","9","1") = "9"
    & skf18("7","5","4","10","5","10","1") = "9"
    & skf18("7","5","4","10","6","1","1") = "9"
    & skf18("7","5","4","10","6","2","1") = "9"
    & skf18("7","5","4","10","6","3","1") = "9"
    & skf18("7","5","4","10","6","4","1") = "9"
    & skf18("7","5","4","10","6","5","1") = "9"
    & skf18("7","5","4","10","6","6","1") = "9"
    & skf18("7","5","4","10","6","7","1") = "9"
    & skf18("7","5","4","10","6","8","1") = "9"
    & skf18("7","5","4","10","6","9","1") = "9"
    & skf18("7","5","4","10","6","10","1") = "9"
    & skf18("7","5","4","10","7","1","1") = "9"
    & skf18("7","5","4","10","7","2","1") = "9"
    & skf18("7","5","4","10","7","3","1") = "9"
    & skf18("7","5","4","10","7","4","1") = "9"
    & skf18("7","5","4","10","7","5","1") = "9"
    & skf18("7","5","4","10","7","6","1") = "9"
    & skf18("7","5","4","10","7","7","1") = "9"
    & skf18("7","5","4","10","7","8","1") = "9"
    & skf18("7","5","4","10","7","9","1") = "9"
    & skf18("7","5","4","10","7","10","1") = "9"
    & skf18("7","5","4","10","8","1","1") = "9"
    & skf18("7","5","4","10","8","2","1") = "9"
    & skf18("7","5","4","10","8","3","1") = "9"
    & skf18("7","5","4","10","8","4","1") = "9"
    & skf18("7","5","4","10","8","5","1") = "9"
    & skf18("7","5","4","10","8","6","1") = "9"
    & skf18("7","5","4","10","8","7","1") = "9"
    & skf18("7","5","4","10","8","8","1") = "9"
    & skf18("7","5","4","10","8","9","1") = "9"
    & skf18("7","5","4","10","8","10","1") = "9"
    & skf18("7","5","4","10","9","1","1") = "9"
    & skf18("7","5","4","10","9","2","1") = "9"
    & skf18("7","5","4","10","9","3","1") = "9"
    & skf18("7","5","4","10","9","4","1") = "9"
    & skf18("7","5","4","10","9","5","1") = "9"
    & skf18("7","5","4","10","9","6","1") = "9"
    & skf18("7","5","4","10","9","7","1") = "9"
    & skf18("7","5","4","10","9","8","1") = "9"
    & skf18("7","5","4","10","9","9","1") = "9"
    & skf18("7","5","4","10","9","10","1") = "9"
    & skf18("7","5","4","10","10","1","1") = "9"
    & skf18("7","5","4","10","10","2","1") = "9"
    & skf18("7","5","4","10","10","3","1") = "9"
    & skf18("7","5","4","10","10","4","1") = "9"
    & skf18("7","5","4","10","10","5","1") = "9"
    & skf18("7","5","4","10","10","6","1") = "9"
    & skf18("7","5","4","10","10","7","1") = "9"
    & skf18("7","5","4","10","10","8","1") = "9"
    & skf18("7","5","4","10","10","9","1") = "9"
    & skf18("7","5","4","10","10","10","1") = "9"
    & skf18("7","5","5","1","1","1","1") = "6"
    & skf18("7","5","5","1","1","2","1") = "6"
    & skf18("7","5","5","1","1","3","1") = "6"
    & skf18("7","5","5","1","1","4","1") = "6"
    & skf18("7","5","5","1","1","5","1") = "6"
    & skf18("7","5","5","1","1","6","1") = "6"
    & skf18("7","5","5","1","1","7","1") = "6"
    & skf18("7","5","5","1","1","8","1") = "7"
    & skf18("7","5","5","1","1","9","1") = "8"
    & skf18("7","5","5","1","1","10","1") = "9"
    & skf18("7","5","5","1","2","1","1") = "6"
    & skf18("7","5","5","1","2","2","1") = "6"
    & skf18("7","5","5","1","2","3","1") = "6"
    & skf18("7","5","5","1","2","4","1") = "6"
    & skf18("7","5","5","1","2","5","1") = "6"
    & skf18("7","5","5","1","2","6","1") = "6"
    & skf18("7","5","5","1","2","7","1") = "6"
    & skf18("7","5","5","1","2","8","1") = "7"
    & skf18("7","5","5","1","2","9","1") = "8"
    & skf18("7","5","5","1","2","10","1") = "9"
    & skf18("7","5","5","1","3","1","1") = "6"
    & skf18("7","5","5","1","3","2","1") = "6"
    & skf18("7","5","5","1","3","3","1") = "6"
    & skf18("7","5","5","1","3","4","1") = "6"
    & skf18("7","5","5","1","3","5","1") = "6"
    & skf18("7","5","5","1","3","6","1") = "6"
    & skf18("7","5","5","1","3","7","1") = "6"
    & skf18("7","5","5","1","3","8","1") = "7"
    & skf18("7","5","5","1","3","9","1") = "8"
    & skf18("7","5","5","1","3","10","1") = "9"
    & skf18("7","5","5","1","4","1","1") = "6"
    & skf18("7","5","5","1","4","2","1") = "6"
    & skf18("7","5","5","1","4","3","1") = "6"
    & skf18("7","5","5","1","4","4","1") = "6"
    & skf18("7","5","5","1","4","5","1") = "6"
    & skf18("7","5","5","1","4","6","1") = "6"
    & skf18("7","5","5","1","4","7","1") = "6"
    & skf18("7","5","5","1","4","8","1") = "7"
    & skf18("7","5","5","1","4","9","1") = "8"
    & skf18("7","5","5","1","4","10","1") = "9"
    & skf18("7","5","5","1","5","1","1") = "6"
    & skf18("7","5","5","1","5","2","1") = "6"
    & skf18("7","5","5","1","5","3","1") = "6"
    & skf18("7","5","5","1","5","4","1") = "6"
    & skf18("7","5","5","1","5","5","1") = "6"
    & skf18("7","5","5","1","5","6","1") = "6"
    & skf18("7","5","5","1","5","7","1") = "6"
    & skf18("7","5","5","1","5","8","1") = "7"
    & skf18("7","5","5","1","5","9","1") = "8"
    & skf18("7","5","5","1","5","10","1") = "9"
    & skf18("7","5","5","1","6","1","1") = "6"
    & skf18("7","5","5","1","6","2","1") = "6"
    & skf18("7","5","5","1","6","3","1") = "6"
    & skf18("7","5","5","1","6","4","1") = "6"
    & skf18("7","5","5","1","6","5","1") = "6"
    & skf18("7","5","5","1","6","6","1") = "6"
    & skf18("7","5","5","1","6","7","1") = "6"
    & skf18("7","5","5","1","6","8","1") = "7"
    & skf18("7","5","5","1","6","9","1") = "8"
    & skf18("7","5","5","1","6","10","1") = "9"
    & skf18("7","5","5","1","7","1","1") = "6"
    & skf18("7","5","5","1","7","2","1") = "6"
    & skf18("7","5","5","1","7","3","1") = "6"
    & skf18("7","5","5","1","7","4","1") = "6"
    & skf18("7","5","5","1","7","5","1") = "6"
    & skf18("7","5","5","1","7","6","1") = "6"
    & skf18("7","5","5","1","7","7","1") = "6"
    & skf18("7","5","5","1","7","8","1") = "7"
    & skf18("7","5","5","1","7","9","1") = "8"
    & skf18("7","5","5","1","7","10","1") = "9"
    & skf18("7","5","5","1","8","1","1") = "7"
    & skf18("7","5","5","1","8","2","1") = "7"
    & skf18("7","5","5","1","8","3","1") = "7"
    & skf18("7","5","5","1","8","4","1") = "7"
    & skf18("7","5","5","1","8","5","1") = "7"
    & skf18("7","5","5","1","8","6","1") = "7"
    & skf18("7","5","5","1","8","7","1") = "7"
    & skf18("7","5","5","1","8","8","1") = "7"
    & skf18("7","5","5","1","8","9","1") = "8"
    & skf18("7","5","5","1","8","10","1") = "9"
    & skf18("7","5","5","1","9","1","1") = "8"
    & skf18("7","5","5","1","9","2","1") = "8"
    & skf18("7","5","5","1","9","3","1") = "8"
    & skf18("7","5","5","1","9","4","1") = "8"
    & skf18("7","5","5","1","9","5","1") = "8"
    & skf18("7","5","5","1","9","6","1") = "8"
    & skf18("7","5","5","1","9","7","1") = "8"
    & skf18("7","5","5","1","9","8","1") = "8"
    & skf18("7","5","5","1","9","9","1") = "8"
    & skf18("7","5","5","1","9","10","1") = "9"
    & skf18("7","5","5","1","10","1","1") = "9"
    & skf18("7","5","5","1","10","2","1") = "9"
    & skf18("7","5","5","1","10","3","1") = "9"
    & skf18("7","5","5","1","10","4","1") = "9"
    & skf18("7","5","5","1","10","5","1") = "9"
    & skf18("7","5","5","1","10","6","1") = "9"
    & skf18("7","5","5","1","10","7","1") = "9"
    & skf18("7","5","5","1","10","8","1") = "9"
    & skf18("7","5","5","1","10","9","1") = "9"
    & skf18("7","5","5","1","10","10","1") = "9"
    & skf18("7","5","5","2","1","1","1") = "6"
    & skf18("7","5","5","2","1","2","1") = "6"
    & skf18("7","5","5","2","1","3","1") = "6"
    & skf18("7","5","5","2","1","4","1") = "6"
    & skf18("7","5","5","2","1","5","1") = "6"
    & skf18("7","5","5","2","1","6","1") = "6"
    & skf18("7","5","5","2","1","7","1") = "6"
    & skf18("7","5","5","2","1","8","1") = "7"
    & skf18("7","5","5","2","1","9","1") = "8"
    & skf18("7","5","5","2","1","10","1") = "9"
    & skf18("7","5","5","2","2","1","1") = "6"
    & skf18("7","5","5","2","2","2","1") = "6"
    & skf18("7","5","5","2","2","3","1") = "6"
    & skf18("7","5","5","2","2","4","1") = "6"
    & skf18("7","5","5","2","2","5","1") = "6"
    & skf18("7","5","5","2","2","6","1") = "6"
    & skf18("7","5","5","2","2","7","1") = "6"
    & skf18("7","5","5","2","2","8","1") = "7"
    & skf18("7","5","5","2","2","9","1") = "8"
    & skf18("7","5","5","2","2","10","1") = "9"
    & skf18("7","5","5","2","3","1","1") = "6"
    & skf18("7","5","5","2","3","2","1") = "6"
    & skf18("7","5","5","2","3","3","1") = "6"
    & skf18("7","5","5","2","3","4","1") = "6"
    & skf18("7","5","5","2","3","5","1") = "6"
    & skf18("7","5","5","2","3","6","1") = "6"
    & skf18("7","5","5","2","3","7","1") = "6"
    & skf18("7","5","5","2","3","8","1") = "7"
    & skf18("7","5","5","2","3","9","1") = "8"
    & skf18("7","5","5","2","3","10","1") = "9"
    & skf18("7","5","5","2","4","1","1") = "6"
    & skf18("7","5","5","2","4","2","1") = "6"
    & skf18("7","5","5","2","4","3","1") = "6"
    & skf18("7","5","5","2","4","4","1") = "6"
    & skf18("7","5","5","2","4","5","1") = "6"
    & skf18("7","5","5","2","4","6","1") = "6"
    & skf18("7","5","5","2","4","7","1") = "6"
    & skf18("7","5","5","2","4","8","1") = "7"
    & skf18("7","5","5","2","4","9","1") = "8"
    & skf18("7","5","5","2","4","10","1") = "9"
    & skf18("7","5","5","2","5","1","1") = "6"
    & skf18("7","5","5","2","5","2","1") = "6"
    & skf18("7","5","5","2","5","3","1") = "6"
    & skf18("7","5","5","2","5","4","1") = "6"
    & skf18("7","5","5","2","5","5","1") = "6"
    & skf18("7","5","5","2","5","6","1") = "6"
    & skf18("7","5","5","2","5","7","1") = "6"
    & skf18("7","5","5","2","5","8","1") = "7"
    & skf18("7","5","5","2","5","9","1") = "8"
    & skf18("7","5","5","2","5","10","1") = "9"
    & skf18("7","5","5","2","6","1","1") = "6"
    & skf18("7","5","5","2","6","2","1") = "6"
    & skf18("7","5","5","2","6","3","1") = "6"
    & skf18("7","5","5","2","6","4","1") = "6"
    & skf18("7","5","5","2","6","5","1") = "6"
    & skf18("7","5","5","2","6","6","1") = "6"
    & skf18("7","5","5","2","6","7","1") = "6"
    & skf18("7","5","5","2","6","8","1") = "7"
    & skf18("7","5","5","2","6","9","1") = "8"
    & skf18("7","5","5","2","6","10","1") = "9"
    & skf18("7","5","5","2","7","1","1") = "6"
    & skf18("7","5","5","2","7","2","1") = "6"
    & skf18("7","5","5","2","7","3","1") = "6"
    & skf18("7","5","5","2","7","4","1") = "6"
    & skf18("7","5","5","2","7","5","1") = "6"
    & skf18("7","5","5","2","7","6","1") = "6"
    & skf18("7","5","5","2","7","7","1") = "6"
    & skf18("7","5","5","2","7","8","1") = "7"
    & skf18("7","5","5","2","7","9","1") = "8"
    & skf18("7","5","5","2","7","10","1") = "9"
    & skf18("7","5","5","2","8","1","1") = "7"
    & skf18("7","5","5","2","8","2","1") = "7"
    & skf18("7","5","5","2","8","3","1") = "7"
    & skf18("7","5","5","2","8","4","1") = "7"
    & skf18("7","5","5","2","8","5","1") = "7"
    & skf18("7","5","5","2","8","6","1") = "7"
    & skf18("7","5","5","2","8","7","1") = "7"
    & skf18("7","5","5","2","8","8","1") = "7"
    & skf18("7","5","5","2","8","9","1") = "8"
    & skf18("7","5","5","2","8","10","1") = "9"
    & skf18("7","5","5","2","9","1","1") = "8"
    & skf18("7","5","5","2","9","2","1") = "8"
    & skf18("7","5","5","2","9","3","1") = "8"
    & skf18("7","5","5","2","9","4","1") = "8"
    & skf18("7","5","5","2","9","5","1") = "8"
    & skf18("7","5","5","2","9","6","1") = "8"
    & skf18("7","5","5","2","9","7","1") = "8"
    & skf18("7","5","5","2","9","8","1") = "8"
    & skf18("7","5","5","2","9","9","1") = "8"
    & skf18("7","5","5","2","9","10","1") = "9"
    & skf18("7","5","5","2","10","1","1") = "9"
    & skf18("7","5","5","2","10","2","1") = "9"
    & skf18("7","5","5","2","10","3","1") = "9"
    & skf18("7","5","5","2","10","4","1") = "9"
    & skf18("7","5","5","2","10","5","1") = "9"
    & skf18("7","5","5","2","10","6","1") = "9"
    & skf18("7","5","5","2","10","7","1") = "9"
    & skf18("7","5","5","2","10","8","1") = "9"
    & skf18("7","5","5","2","10","9","1") = "9"
    & skf18("7","5","5","2","10","10","1") = "9"
    & skf18("7","5","5","3","1","1","1") = "6"
    & skf18("7","5","5","3","1","2","1") = "6"
    & skf18("7","5","5","3","1","3","1") = "6"
    & skf18("7","5","5","3","1","4","1") = "6"
    & skf18("7","5","5","3","1","5","1") = "6"
    & skf18("7","5","5","3","1","6","1") = "6"
    & skf18("7","5","5","3","1","7","1") = "6"
    & skf18("7","5","5","3","1","8","1") = "7"
    & skf18("7","5","5","3","1","9","1") = "8"
    & skf18("7","5","5","3","1","10","1") = "9"
    & skf18("7","5","5","3","2","1","1") = "6"
    & skf18("7","5","5","3","2","2","1") = "6"
    & skf18("7","5","5","3","2","3","1") = "6"
    & skf18("7","5","5","3","2","4","1") = "6"
    & skf18("7","5","5","3","2","5","1") = "6"
    & skf18("7","5","5","3","2","6","1") = "6"
    & skf18("7","5","5","3","2","7","1") = "6"
    & skf18("7","5","5","3","2","8","1") = "7"
    & skf18("7","5","5","3","2","9","1") = "8"
    & skf18("7","5","5","3","2","10","1") = "9"
    & skf18("7","5","5","3","3","1","1") = "6"
    & skf18("7","5","5","3","3","2","1") = "6"
    & skf18("7","5","5","3","3","3","1") = "6"
    & skf18("7","5","5","3","3","4","1") = "6"
    & skf18("7","5","5","3","3","5","1") = "6"
    & skf18("7","5","5","3","3","6","1") = "6"
    & skf18("7","5","5","3","3","7","1") = "6"
    & skf18("7","5","5","3","3","8","1") = "7"
    & skf18("7","5","5","3","3","9","1") = "8"
    & skf18("7","5","5","3","3","10","1") = "9"
    & skf18("7","5","5","3","4","1","1") = "6"
    & skf18("7","5","5","3","4","2","1") = "6"
    & skf18("7","5","5","3","4","3","1") = "6"
    & skf18("7","5","5","3","4","4","1") = "6"
    & skf18("7","5","5","3","4","5","1") = "6"
    & skf18("7","5","5","3","4","6","1") = "6"
    & skf18("7","5","5","3","4","7","1") = "6"
    & skf18("7","5","5","3","4","8","1") = "7"
    & skf18("7","5","5","3","4","9","1") = "8"
    & skf18("7","5","5","3","4","10","1") = "9"
    & skf18("7","5","5","3","5","1","1") = "6"
    & skf18("7","5","5","3","5","2","1") = "6"
    & skf18("7","5","5","3","5","3","1") = "6"
    & skf18("7","5","5","3","5","4","1") = "6"
    & skf18("7","5","5","3","5","5","1") = "6"
    & skf18("7","5","5","3","5","6","1") = "6"
    & skf18("7","5","5","3","5","7","1") = "6"
    & skf18("7","5","5","3","5","8","1") = "7"
    & skf18("7","5","5","3","5","9","1") = "8"
    & skf18("7","5","5","3","5","10","1") = "9"
    & skf18("7","5","5","3","6","1","1") = "6"
    & skf18("7","5","5","3","6","2","1") = "6"
    & skf18("7","5","5","3","6","3","1") = "6"
    & skf18("7","5","5","3","6","4","1") = "6"
    & skf18("7","5","5","3","6","5","1") = "6"
    & skf18("7","5","5","3","6","6","1") = "6"
    & skf18("7","5","5","3","6","7","1") = "6"
    & skf18("7","5","5","3","6","8","1") = "7"
    & skf18("7","5","5","3","6","9","1") = "8"
    & skf18("7","5","5","3","6","10","1") = "9"
    & skf18("7","5","5","3","7","1","1") = "6"
    & skf18("7","5","5","3","7","2","1") = "6"
    & skf18("7","5","5","3","7","3","1") = "6"
    & skf18("7","5","5","3","7","4","1") = "6"
    & skf18("7","5","5","3","7","5","1") = "6"
    & skf18("7","5","5","3","7","6","1") = "6"
    & skf18("7","5","5","3","7","7","1") = "6"
    & skf18("7","5","5","3","7","8","1") = "7"
    & skf18("7","5","5","3","7","9","1") = "8"
    & skf18("7","5","5","3","7","10","1") = "9"
    & skf18("7","5","5","3","8","1","1") = "7"
    & skf18("7","5","5","3","8","2","1") = "7"
    & skf18("7","5","5","3","8","3","1") = "7"
    & skf18("7","5","5","3","8","4","1") = "7"
    & skf18("7","5","5","3","8","5","1") = "7"
    & skf18("7","5","5","3","8","6","1") = "7"
    & skf18("7","5","5","3","8","7","1") = "7"
    & skf18("7","5","5","3","8","8","1") = "7"
    & skf18("7","5","5","3","8","9","1") = "8"
    & skf18("7","5","5","3","8","10","1") = "9"
    & skf18("7","5","5","3","9","1","1") = "8"
    & skf18("7","5","5","3","9","2","1") = "8"
    & skf18("7","5","5","3","9","3","1") = "8"
    & skf18("7","5","5","3","9","4","1") = "8"
    & skf18("7","5","5","3","9","5","1") = "8"
    & skf18("7","5","5","3","9","6","1") = "8"
    & skf18("7","5","5","3","9","7","1") = "8"
    & skf18("7","5","5","3","9","8","1") = "8"
    & skf18("7","5","5","3","9","9","1") = "8"
    & skf18("7","5","5","3","9","10","1") = "9"
    & skf18("7","5","5","3","10","1","1") = "9"
    & skf18("7","5","5","3","10","2","1") = "9"
    & skf18("7","5","5","3","10","3","1") = "9"
    & skf18("7","5","5","3","10","4","1") = "9"
    & skf18("7","5","5","3","10","5","1") = "9"
    & skf18("7","5","5","3","10","6","1") = "9"
    & skf18("7","5","5","3","10","7","1") = "9"
    & skf18("7","5","5","3","10","8","1") = "9"
    & skf18("7","5","5","3","10","9","1") = "9"
    & skf18("7","5","5","3","10","10","1") = "9"
    & skf18("7","5","5","4","1","1","1") = "6"
    & skf18("7","5","5","4","1","2","1") = "6"
    & skf18("7","5","5","4","1","3","1") = "6"
    & skf18("7","5","5","4","1","4","1") = "6"
    & skf18("7","5","5","4","1","5","1") = "6"
    & skf18("7","5","5","4","1","6","1") = "6"
    & skf18("7","5","5","4","1","7","1") = "6"
    & skf18("7","5","5","4","1","8","1") = "7"
    & skf18("7","5","5","4","1","9","1") = "8"
    & skf18("7","5","5","4","1","10","1") = "9"
    & skf18("7","5","5","4","2","1","1") = "6"
    & skf18("7","5","5","4","2","2","1") = "6"
    & skf18("7","5","5","4","2","3","1") = "6"
    & skf18("7","5","5","4","2","4","1") = "6"
    & skf18("7","5","5","4","2","5","1") = "6"
    & skf18("7","5","5","4","2","6","1") = "6"
    & skf18("7","5","5","4","2","7","1") = "6"
    & skf18("7","5","5","4","2","8","1") = "7"
    & skf18("7","5","5","4","2","9","1") = "8"
    & skf18("7","5","5","4","2","10","1") = "9"
    & skf18("7","5","5","4","3","1","1") = "6"
    & skf18("7","5","5","4","3","2","1") = "6"
    & skf18("7","5","5","4","3","3","1") = "6"
    & skf18("7","5","5","4","3","4","1") = "6"
    & skf18("7","5","5","4","3","5","1") = "6"
    & skf18("7","5","5","4","3","6","1") = "6"
    & skf18("7","5","5","4","3","7","1") = "6"
    & skf18("7","5","5","4","3","8","1") = "7"
    & skf18("7","5","5","4","3","9","1") = "8"
    & skf18("7","5","5","4","3","10","1") = "9"
    & skf18("7","5","5","4","4","1","1") = "6"
    & skf18("7","5","5","4","4","2","1") = "6"
    & skf18("7","5","5","4","4","3","1") = "6"
    & skf18("7","5","5","4","4","4","1") = "6"
    & skf18("7","5","5","4","4","5","1") = "6"
    & skf18("7","5","5","4","4","6","1") = "6"
    & skf18("7","5","5","4","4","7","1") = "6"
    & skf18("7","5","5","4","4","8","1") = "7"
    & skf18("7","5","5","4","4","9","1") = "8"
    & skf18("7","5","5","4","4","10","1") = "9"
    & skf18("7","5","5","4","5","1","1") = "6"
    & skf18("7","5","5","4","5","2","1") = "6"
    & skf18("7","5","5","4","5","3","1") = "6"
    & skf18("7","5","5","4","5","4","1") = "6"
    & skf18("7","5","5","4","5","5","1") = "6"
    & skf18("7","5","5","4","5","6","1") = "6"
    & skf18("7","5","5","4","5","7","1") = "6"
    & skf18("7","5","5","4","5","8","1") = "7"
    & skf18("7","5","5","4","5","9","1") = "8"
    & skf18("7","5","5","4","5","10","1") = "9"
    & skf18("7","5","5","4","6","1","1") = "6"
    & skf18("7","5","5","4","6","2","1") = "6"
    & skf18("7","5","5","4","6","3","1") = "6"
    & skf18("7","5","5","4","6","4","1") = "6"
    & skf18("7","5","5","4","6","5","1") = "6"
    & skf18("7","5","5","4","6","6","1") = "6"
    & skf18("7","5","5","4","6","7","1") = "6"
    & skf18("7","5","5","4","6","8","1") = "7"
    & skf18("7","5","5","4","6","9","1") = "8"
    & skf18("7","5","5","4","6","10","1") = "9"
    & skf18("7","5","5","4","7","1","1") = "6"
    & skf18("7","5","5","4","7","2","1") = "6"
    & skf18("7","5","5","4","7","3","1") = "6"
    & skf18("7","5","5","4","7","4","1") = "6"
    & skf18("7","5","5","4","7","5","1") = "6"
    & skf18("7","5","5","4","7","6","1") = "6"
    & skf18("7","5","5","4","7","7","1") = "6"
    & skf18("7","5","5","4","7","8","1") = "7"
    & skf18("7","5","5","4","7","9","1") = "8"
    & skf18("7","5","5","4","7","10","1") = "9"
    & skf18("7","5","5","4","8","1","1") = "7"
    & skf18("7","5","5","4","8","2","1") = "7"
    & skf18("7","5","5","4","8","3","1") = "7"
    & skf18("7","5","5","4","8","4","1") = "7"
    & skf18("7","5","5","4","8","5","1") = "7"
    & skf18("7","5","5","4","8","6","1") = "7"
    & skf18("7","5","5","4","8","7","1") = "7"
    & skf18("7","5","5","4","8","8","1") = "7"
    & skf18("7","5","5","4","8","9","1") = "8"
    & skf18("7","5","5","4","8","10","1") = "9"
    & skf18("7","5","5","4","9","1","1") = "8"
    & skf18("7","5","5","4","9","2","1") = "8"
    & skf18("7","5","5","4","9","3","1") = "8"
    & skf18("7","5","5","4","9","4","1") = "8"
    & skf18("7","5","5","4","9","5","1") = "8"
    & skf18("7","5","5","4","9","6","1") = "8"
    & skf18("7","5","5","4","9","7","1") = "8"
    & skf18("7","5","5","4","9","8","1") = "8"
    & skf18("7","5","5","4","9","9","1") = "8"
    & skf18("7","5","5","4","9","10","1") = "9"
    & skf18("7","5","5","4","10","1","1") = "9"
    & skf18("7","5","5","4","10","2","1") = "9"
    & skf18("7","5","5","4","10","3","1") = "9"
    & skf18("7","5","5","4","10","4","1") = "9"
    & skf18("7","5","5","4","10","5","1") = "9"
    & skf18("7","5","5","4","10","6","1") = "9"
    & skf18("7","5","5","4","10","7","1") = "9"
    & skf18("7","5","5","4","10","8","1") = "9"
    & skf18("7","5","5","4","10","9","1") = "9"
    & skf18("7","5","5","4","10","10","1") = "9"
    & skf18("7","5","5","5","1","1","1") = "6"
    & skf18("7","5","5","5","1","2","1") = "6"
    & skf18("7","5","5","5","1","3","1") = "6"
    & skf18("7","5","5","5","1","4","1") = "6"
    & skf18("7","5","5","5","1","5","1") = "6"
    & skf18("7","5","5","5","1","6","1") = "6"
    & skf18("7","5","5","5","1","7","1") = "6"
    & skf18("7","5","5","5","1","8","1") = "7"
    & skf18("7","5","5","5","1","9","1") = "8"
    & skf18("7","5","5","5","1","10","1") = "9"
    & skf18("7","5","5","5","2","1","1") = "6"
    & skf18("7","5","5","5","2","2","1") = "6"
    & skf18("7","5","5","5","2","3","1") = "6"
    & skf18("7","5","5","5","2","4","1") = "6"
    & skf18("7","5","5","5","2","5","1") = "6"
    & skf18("7","5","5","5","2","6","1") = "6"
    & skf18("7","5","5","5","2","7","1") = "6"
    & skf18("7","5","5","5","2","8","1") = "7"
    & skf18("7","5","5","5","2","9","1") = "8"
    & skf18("7","5","5","5","2","10","1") = "9"
    & skf18("7","5","5","5","3","1","1") = "6"
    & skf18("7","5","5","5","3","2","1") = "6"
    & skf18("7","5","5","5","3","3","1") = "6"
    & skf18("7","5","5","5","3","4","1") = "6"
    & skf18("7","5","5","5","3","5","1") = "6"
    & skf18("7","5","5","5","3","6","1") = "6"
    & skf18("7","5","5","5","3","7","1") = "6"
    & skf18("7","5","5","5","3","8","1") = "7"
    & skf18("7","5","5","5","3","9","1") = "8"
    & skf18("7","5","5","5","3","10","1") = "9"
    & skf18("7","5","5","5","4","1","1") = "6"
    & skf18("7","5","5","5","4","2","1") = "6"
    & skf18("7","5","5","5","4","3","1") = "6"
    & skf18("7","5","5","5","4","4","1") = "6"
    & skf18("7","5","5","5","4","5","1") = "6"
    & skf18("7","5","5","5","4","6","1") = "6"
    & skf18("7","5","5","5","4","7","1") = "6"
    & skf18("7","5","5","5","4","8","1") = "7"
    & skf18("7","5","5","5","4","9","1") = "8"
    & skf18("7","5","5","5","4","10","1") = "9"
    & skf18("7","5","5","5","5","1","1") = "6"
    & skf18("7","5","5","5","5","2","1") = "6"
    & skf18("7","5","5","5","5","3","1") = "6"
    & skf18("7","5","5","5","5","4","1") = "6"
    & skf18("7","5","5","5","5","5","1") = "6"
    & skf18("7","5","5","5","5","6","1") = "6"
    & skf18("7","5","5","5","5","7","1") = "6"
    & skf18("7","5","5","5","5","8","1") = "7"
    & skf18("7","5","5","5","5","9","1") = "8"
    & skf18("7","5","5","5","5","10","1") = "9"
    & skf18("7","5","5","5","6","1","1") = "6"
    & skf18("7","5","5","5","6","2","1") = "6"
    & skf18("7","5","5","5","6","3","1") = "6"
    & skf18("7","5","5","5","6","4","1") = "6"
    & skf18("7","5","5","5","6","5","1") = "6"
    & skf18("7","5","5","5","6","6","1") = "6"
    & skf18("7","5","5","5","6","7","1") = "6"
    & skf18("7","5","5","5","6","8","1") = "7"
    & skf18("7","5","5","5","6","9","1") = "8"
    & skf18("7","5","5","5","6","10","1") = "9"
    & skf18("7","5","5","5","7","1","1") = "6"
    & skf18("7","5","5","5","7","2","1") = "6"
    & skf18("7","5","5","5","7","3","1") = "6"
    & skf18("7","5","5","5","7","4","1") = "6"
    & skf18("7","5","5","5","7","5","1") = "6"
    & skf18("7","5","5","5","7","6","1") = "6"
    & skf18("7","5","5","5","7","7","1") = "6"
    & skf18("7","5","5","5","7","8","1") = "7"
    & skf18("7","5","5","5","7","9","1") = "8"
    & skf18("7","5","5","5","7","10","1") = "9"
    & skf18("7","5","5","5","8","1","1") = "7"
    & skf18("7","5","5","5","8","2","1") = "7"
    & skf18("7","5","5","5","8","3","1") = "7"
    & skf18("7","5","5","5","8","4","1") = "7"
    & skf18("7","5","5","5","8","5","1") = "7"
    & skf18("7","5","5","5","8","6","1") = "7"
    & skf18("7","5","5","5","8","7","1") = "7"
    & skf18("7","5","5","5","8","8","1") = "7"
    & skf18("7","5","5","5","8","9","1") = "8"
    & skf18("7","5","5","5","8","10","1") = "9"
    & skf18("7","5","5","5","9","1","1") = "8"
    & skf18("7","5","5","5","9","2","1") = "8"
    & skf18("7","5","5","5","9","3","1") = "8"
    & skf18("7","5","5","5","9","4","1") = "8"
    & skf18("7","5","5","5","9","5","1") = "8"
    & skf18("7","5","5","5","9","6","1") = "8"
    & skf18("7","5","5","5","9","7","1") = "8"
    & skf18("7","5","5","5","9","8","1") = "8"
    & skf18("7","5","5","5","9","9","1") = "8"
    & skf18("7","5","5","5","9","10","1") = "9"
    & skf18("7","5","5","5","10","1","1") = "9"
    & skf18("7","5","5","5","10","2","1") = "9"
    & skf18("7","5","5","5","10","3","1") = "9"
    & skf18("7","5","5","5","10","4","1") = "9"
    & skf18("7","5","5","5","10","5","1") = "9"
    & skf18("7","5","5","5","10","6","1") = "9"
    & skf18("7","5","5","5","10","7","1") = "9"
    & skf18("7","5","5","5","10","8","1") = "9"
    & skf18("7","5","5","5","10","9","1") = "9"
    & skf18("7","5","5","5","10","10","1") = "9"
    & skf18("7","5","5","6","1","1","1") = "6"
    & skf18("7","5","5","6","1","2","1") = "6"
    & skf18("7","5","5","6","1","3","1") = "6"
    & skf18("7","5","5","6","1","4","1") = "6"
    & skf18("7","5","5","6","1","5","1") = "6"
    & skf18("7","5","5","6","1","6","1") = "6"
    & skf18("7","5","5","6","1","7","1") = "6"
    & skf18("7","5","5","6","1","8","1") = "7"
    & skf18("7","5","5","6","1","9","1") = "8"
    & skf18("7","5","5","6","1","10","1") = "9"
    & skf18("7","5","5","6","2","1","1") = "6"
    & skf18("7","5","5","6","2","2","1") = "6"
    & skf18("7","5","5","6","2","3","1") = "6"
    & skf18("7","5","5","6","2","4","1") = "6"
    & skf18("7","5","5","6","2","5","1") = "6"
    & skf18("7","5","5","6","2","6","1") = "6"
    & skf18("7","5","5","6","2","7","1") = "6"
    & skf18("7","5","5","6","2","8","1") = "7"
    & skf18("7","5","5","6","2","9","1") = "8"
    & skf18("7","5","5","6","2","10","1") = "9"
    & skf18("7","5","5","6","3","1","1") = "6"
    & skf18("7","5","5","6","3","2","1") = "6"
    & skf18("7","5","5","6","3","3","1") = "6"
    & skf18("7","5","5","6","3","4","1") = "6"
    & skf18("7","5","5","6","3","5","1") = "6"
    & skf18("7","5","5","6","3","6","1") = "6"
    & skf18("7","5","5","6","3","7","1") = "6"
    & skf18("7","5","5","6","3","8","1") = "7"
    & skf18("7","5","5","6","3","9","1") = "8"
    & skf18("7","5","5","6","3","10","1") = "9"
    & skf18("7","5","5","6","4","1","1") = "6"
    & skf18("7","5","5","6","4","2","1") = "6"
    & skf18("7","5","5","6","4","3","1") = "6"
    & skf18("7","5","5","6","4","4","1") = "6"
    & skf18("7","5","5","6","4","5","1") = "6"
    & skf18("7","5","5","6","4","6","1") = "6"
    & skf18("7","5","5","6","4","7","1") = "6"
    & skf18("7","5","5","6","4","8","1") = "7"
    & skf18("7","5","5","6","4","9","1") = "8"
    & skf18("7","5","5","6","4","10","1") = "9"
    & skf18("7","5","5","6","5","1","1") = "6"
    & skf18("7","5","5","6","5","2","1") = "6"
    & skf18("7","5","5","6","5","3","1") = "6"
    & skf18("7","5","5","6","5","4","1") = "6"
    & skf18("7","5","5","6","5","5","1") = "6"
    & skf18("7","5","5","6","5","6","1") = "6"
    & skf18("7","5","5","6","5","7","1") = "6"
    & skf18("7","5","5","6","5","8","1") = "7"
    & skf18("7","5","5","6","5","9","1") = "8"
    & skf18("7","5","5","6","5","10","1") = "9"
    & skf18("7","5","5","6","6","1","1") = "6"
    & skf18("7","5","5","6","6","2","1") = "6"
    & skf18("7","5","5","6","6","3","1") = "6"
    & skf18("7","5","5","6","6","4","1") = "6"
    & skf18("7","5","5","6","6","5","1") = "6"
    & skf18("7","5","5","6","6","6","1") = "6"
    & skf18("7","5","5","6","6","7","1") = "6"
    & skf18("7","5","5","6","6","8","1") = "7"
    & skf18("7","5","5","6","6","9","1") = "8"
    & skf18("7","5","5","6","6","10","1") = "9"
    & skf18("7","5","5","6","7","1","1") = "6"
    & skf18("7","5","5","6","7","2","1") = "6"
    & skf18("7","5","5","6","7","3","1") = "6"
    & skf18("7","5","5","6","7","4","1") = "6"
    & skf18("7","5","5","6","7","5","1") = "6"
    & skf18("7","5","5","6","7","6","1") = "6"
    & skf18("7","5","5","6","7","7","1") = "6"
    & skf18("7","5","5","6","7","8","1") = "7"
    & skf18("7","5","5","6","7","9","1") = "8"
    & skf18("7","5","5","6","7","10","1") = "9"
    & skf18("7","5","5","6","8","1","1") = "7"
    & skf18("7","5","5","6","8","2","1") = "7"
    & skf18("7","5","5","6","8","3","1") = "7"
    & skf18("7","5","5","6","8","4","1") = "7"
    & skf18("7","5","5","6","8","5","1") = "7"
    & skf18("7","5","5","6","8","6","1") = "7"
    & skf18("7","5","5","6","8","7","1") = "7"
    & skf18("7","5","5","6","8","8","1") = "7"
    & skf18("7","5","5","6","8","9","1") = "8"
    & skf18("7","5","5","6","8","10","1") = "9"
    & skf18("7","5","5","6","9","1","1") = "8"
    & skf18("7","5","5","6","9","2","1") = "8"
    & skf18("7","5","5","6","9","3","1") = "8"
    & skf18("7","5","5","6","9","4","1") = "8"
    & skf18("7","5","5","6","9","5","1") = "8"
    & skf18("7","5","5","6","9","6","1") = "8"
    & skf18("7","5","5","6","9","7","1") = "8"
    & skf18("7","5","5","6","9","8","1") = "8"
    & skf18("7","5","5","6","9","9","1") = "8"
    & skf18("7","5","5","6","9","10","1") = "9"
    & skf18("7","5","5","6","10","1","1") = "9"
    & skf18("7","5","5","6","10","2","1") = "9"
    & skf18("7","5","5","6","10","3","1") = "9"
    & skf18("7","5","5","6","10","4","1") = "9"
    & skf18("7","5","5","6","10","5","1") = "9"
    & skf18("7","5","5","6","10","6","1") = "9"
    & skf18("7","5","5","6","10","7","1") = "9"
    & skf18("7","5","5","6","10","8","1") = "9"
    & skf18("7","5","5","6","10","9","1") = "9"
    & skf18("7","5","5","6","10","10","1") = "9"
    & skf18("7","5","5","7","1","1","1") = "6"
    & skf18("7","5","5","7","1","2","1") = "6"
    & skf18("7","5","5","7","1","3","1") = "6"
    & skf18("7","5","5","7","1","4","1") = "6"
    & skf18("7","5","5","7","1","5","1") = "6"
    & skf18("7","5","5","7","1","6","1") = "6"
    & skf18("7","5","5","7","1","7","1") = "6"
    & skf18("7","5","5","7","1","8","1") = "7"
    & skf18("7","5","5","7","1","9","1") = "8"
    & skf18("7","5","5","7","1","10","1") = "9"
    & skf18("7","5","5","7","2","1","1") = "6"
    & skf18("7","5","5","7","2","2","1") = "6"
    & skf18("7","5","5","7","2","3","1") = "6"
    & skf18("7","5","5","7","2","4","1") = "6"
    & skf18("7","5","5","7","2","5","1") = "6"
    & skf18("7","5","5","7","2","6","1") = "6"
    & skf18("7","5","5","7","2","7","1") = "6"
    & skf18("7","5","5","7","2","8","1") = "7"
    & skf18("7","5","5","7","2","9","1") = "8"
    & skf18("7","5","5","7","2","10","1") = "9"
    & skf18("7","5","5","7","3","1","1") = "6"
    & skf18("7","5","5","7","3","2","1") = "6"
    & skf18("7","5","5","7","3","3","1") = "6"
    & skf18("7","5","5","7","3","4","1") = "6"
    & skf18("7","5","5","7","3","5","1") = "6"
    & skf18("7","5","5","7","3","6","1") = "6"
    & skf18("7","5","5","7","3","7","1") = "6"
    & skf18("7","5","5","7","3","8","1") = "7"
    & skf18("7","5","5","7","3","9","1") = "8"
    & skf18("7","5","5","7","3","10","1") = "9"
    & skf18("7","5","5","7","4","1","1") = "6"
    & skf18("7","5","5","7","4","2","1") = "6"
    & skf18("7","5","5","7","4","3","1") = "6"
    & skf18("7","5","5","7","4","4","1") = "6"
    & skf18("7","5","5","7","4","5","1") = "6"
    & skf18("7","5","5","7","4","6","1") = "6"
    & skf18("7","5","5","7","4","7","1") = "6"
    & skf18("7","5","5","7","4","8","1") = "7"
    & skf18("7","5","5","7","4","9","1") = "8"
    & skf18("7","5","5","7","4","10","1") = "9"
    & skf18("7","5","5","7","5","1","1") = "6"
    & skf18("7","5","5","7","5","2","1") = "6"
    & skf18("7","5","5","7","5","3","1") = "6"
    & skf18("7","5","5","7","5","4","1") = "6"
    & skf18("7","5","5","7","5","5","1") = "6"
    & skf18("7","5","5","7","5","6","1") = "6"
    & skf18("7","5","5","7","5","7","1") = "6"
    & skf18("7","5","5","7","5","8","1") = "7"
    & skf18("7","5","5","7","5","9","1") = "8"
    & skf18("7","5","5","7","5","10","1") = "9"
    & skf18("7","5","5","7","6","1","1") = "6"
    & skf18("7","5","5","7","6","2","1") = "6"
    & skf18("7","5","5","7","6","3","1") = "6"
    & skf18("7","5","5","7","6","4","1") = "6"
    & skf18("7","5","5","7","6","5","1") = "6"
    & skf18("7","5","5","7","6","6","1") = "6"
    & skf18("7","5","5","7","6","7","1") = "6"
    & skf18("7","5","5","7","6","8","1") = "7"
    & skf18("7","5","5","7","6","9","1") = "8"
    & skf18("7","5","5","7","6","10","1") = "9"
    & skf18("7","5","5","7","7","1","1") = "6"
    & skf18("7","5","5","7","7","2","1") = "6"
    & skf18("7","5","5","7","7","3","1") = "6"
    & skf18("7","5","5","7","7","4","1") = "6"
    & skf18("7","5","5","7","7","5","1") = "6"
    & skf18("7","5","5","7","7","6","1") = "6"
    & skf18("7","5","5","7","7","7","1") = "6"
    & skf18("7","5","5","7","7","8","1") = "7"
    & skf18("7","5","5","7","7","9","1") = "8"
    & skf18("7","5","5","7","7","10","1") = "9"
    & skf18("7","5","5","7","8","1","1") = "7"
    & skf18("7","5","5","7","8","2","1") = "7"
    & skf18("7","5","5","7","8","3","1") = "7"
    & skf18("7","5","5","7","8","4","1") = "7"
    & skf18("7","5","5","7","8","5","1") = "7"
    & skf18("7","5","5","7","8","6","1") = "7"
    & skf18("7","5","5","7","8","7","1") = "7"
    & skf18("7","5","5","7","8","8","1") = "7"
    & skf18("7","5","5","7","8","9","1") = "8"
    & skf18("7","5","5","7","8","10","1") = "9"
    & skf18("7","5","5","7","9","1","1") = "8"
    & skf18("7","5","5","7","9","2","1") = "8"
    & skf18("7","5","5","7","9","3","1") = "8"
    & skf18("7","5","5","7","9","4","1") = "8"
    & skf18("7","5","5","7","9","5","1") = "8"
    & skf18("7","5","5","7","9","6","1") = "8"
    & skf18("7","5","5","7","9","7","1") = "8"
    & skf18("7","5","5","7","9","8","1") = "8"
    & skf18("7","5","5","7","9","9","1") = "8"
    & skf18("7","5","5","7","9","10","1") = "9"
    & skf18("7","5","5","7","10","1","1") = "9"
    & skf18("7","5","5","7","10","2","1") = "9"
    & skf18("7","5","5","7","10","3","1") = "9"
    & skf18("7","5","5","7","10","4","1") = "9"
    & skf18("7","5","5","7","10","5","1") = "9"
    & skf18("7","5","5","7","10","6","1") = "9"
    & skf18("7","5","5","7","10","7","1") = "9"
    & skf18("7","5","5","7","10","8","1") = "9"
    & skf18("7","5","5","7","10","9","1") = "9"
    & skf18("7","5","5","7","10","10","1") = "9"
    & skf18("7","5","5","8","1","1","1") = "7"
    & skf18("7","5","5","8","1","2","1") = "7"
    & skf18("7","5","5","8","1","3","1") = "7"
    & skf18("7","5","5","8","1","4","1") = "7"
    & skf18("7","5","5","8","1","5","1") = "7"
    & skf18("7","5","5","8","1","6","1") = "7"
    & skf18("7","5","5","8","1","7","1") = "7"
    & skf18("7","5","5","8","1","8","1") = "7"
    & skf18("7","5","5","8","1","9","1") = "8"
    & skf18("7","5","5","8","1","10","1") = "9"
    & skf18("7","5","5","8","2","1","1") = "7"
    & skf18("7","5","5","8","2","2","1") = "7"
    & skf18("7","5","5","8","2","3","1") = "7"
    & skf18("7","5","5","8","2","4","1") = "7"
    & skf18("7","5","5","8","2","5","1") = "7"
    & skf18("7","5","5","8","2","6","1") = "7"
    & skf18("7","5","5","8","2","7","1") = "7"
    & skf18("7","5","5","8","2","8","1") = "7"
    & skf18("7","5","5","8","2","9","1") = "8"
    & skf18("7","5","5","8","2","10","1") = "9"
    & skf18("7","5","5","8","3","1","1") = "7"
    & skf18("7","5","5","8","3","2","1") = "7"
    & skf18("7","5","5","8","3","3","1") = "7"
    & skf18("7","5","5","8","3","4","1") = "7"
    & skf18("7","5","5","8","3","5","1") = "7"
    & skf18("7","5","5","8","3","6","1") = "7"
    & skf18("7","5","5","8","3","7","1") = "7"
    & skf18("7","5","5","8","3","8","1") = "7"
    & skf18("7","5","5","8","3","9","1") = "8"
    & skf18("7","5","5","8","3","10","1") = "9"
    & skf18("7","5","5","8","4","1","1") = "7"
    & skf18("7","5","5","8","4","2","1") = "7"
    & skf18("7","5","5","8","4","3","1") = "7"
    & skf18("7","5","5","8","4","4","1") = "7"
    & skf18("7","5","5","8","4","5","1") = "7"
    & skf18("7","5","5","8","4","6","1") = "7"
    & skf18("7","5","5","8","4","7","1") = "7"
    & skf18("7","5","5","8","4","8","1") = "7"
    & skf18("7","5","5","8","4","9","1") = "8"
    & skf18("7","5","5","8","4","10","1") = "9"
    & skf18("7","5","5","8","5","1","1") = "7"
    & skf18("7","5","5","8","5","2","1") = "7"
    & skf18("7","5","5","8","5","3","1") = "7"
    & skf18("7","5","5","8","5","4","1") = "7"
    & skf18("7","5","5","8","5","5","1") = "7"
    & skf18("7","5","5","8","5","6","1") = "7"
    & skf18("7","5","5","8","5","7","1") = "7"
    & skf18("7","5","5","8","5","8","1") = "7"
    & skf18("7","5","5","8","5","9","1") = "8"
    & skf18("7","5","5","8","5","10","1") = "9"
    & skf18("7","5","5","8","6","1","1") = "7"
    & skf18("7","5","5","8","6","2","1") = "7"
    & skf18("7","5","5","8","6","3","1") = "7"
    & skf18("7","5","5","8","6","4","1") = "7"
    & skf18("7","5","5","8","6","5","1") = "7"
    & skf18("7","5","5","8","6","6","1") = "7"
    & skf18("7","5","5","8","6","7","1") = "7"
    & skf18("7","5","5","8","6","8","1") = "7"
    & skf18("7","5","5","8","6","9","1") = "8"
    & skf18("7","5","5","8","6","10","1") = "9"
    & skf18("7","5","5","8","7","1","1") = "7"
    & skf18("7","5","5","8","7","2","1") = "7"
    & skf18("7","5","5","8","7","3","1") = "7"
    & skf18("7","5","5","8","7","4","1") = "7"
    & skf18("7","5","5","8","7","5","1") = "7"
    & skf18("7","5","5","8","7","6","1") = "7"
    & skf18("7","5","5","8","7","7","1") = "7"
    & skf18("7","5","5","8","7","8","1") = "7"
    & skf18("7","5","5","8","7","9","1") = "8"
    & skf18("7","5","5","8","7","10","1") = "9"
    & skf18("7","5","5","8","8","1","1") = "7"
    & skf18("7","5","5","8","8","2","1") = "7"
    & skf18("7","5","5","8","8","3","1") = "7"
    & skf18("7","5","5","8","8","4","1") = "7"
    & skf18("7","5","5","8","8","5","1") = "7"
    & skf18("7","5","5","8","8","6","1") = "7"
    & skf18("7","5","5","8","8","7","1") = "7"
    & skf18("7","5","5","8","8","8","1") = "7"
    & skf18("7","5","5","8","8","9","1") = "8"
    & skf18("7","5","5","8","8","10","1") = "9"
    & skf18("7","5","5","8","9","1","1") = "8"
    & skf18("7","5","5","8","9","2","1") = "8"
    & skf18("7","5","5","8","9","3","1") = "8"
    & skf18("7","5","5","8","9","4","1") = "8"
    & skf18("7","5","5","8","9","5","1") = "8"
    & skf18("7","5","5","8","9","6","1") = "8"
    & skf18("7","5","5","8","9","7","1") = "8"
    & skf18("7","5","5","8","9","8","1") = "8"
    & skf18("7","5","5","8","9","9","1") = "8"
    & skf18("7","5","5","8","9","10","1") = "9"
    & skf18("7","5","5","8","10","1","1") = "9"
    & skf18("7","5","5","8","10","2","1") = "9"
    & skf18("7","5","5","8","10","3","1") = "9"
    & skf18("7","5","5","8","10","4","1") = "9"
    & skf18("7","5","5","8","10","5","1") = "9"
    & skf18("7","5","5","8","10","6","1") = "9"
    & skf18("7","5","5","8","10","7","1") = "9"
    & skf18("7","5","5","8","10","8","1") = "9"
    & skf18("7","5","5","8","10","9","1") = "9"
    & skf18("7","5","5","8","10","10","1") = "9"
    & skf18("7","5","5","9","1","1","1") = "8"
    & skf18("7","5","5","9","1","2","1") = "8"
    & skf18("7","5","5","9","1","3","1") = "8"
    & skf18("7","5","5","9","1","4","1") = "8"
    & skf18("7","5","5","9","1","5","1") = "8"
    & skf18("7","5","5","9","1","6","1") = "8"
    & skf18("7","5","5","9","1","7","1") = "8"
    & skf18("7","5","5","9","1","8","1") = "8"
    & skf18("7","5","5","9","1","9","1") = "8"
    & skf18("7","5","5","9","1","10","1") = "9"
    & skf18("7","5","5","9","2","1","1") = "8"
    & skf18("7","5","5","9","2","2","1") = "8"
    & skf18("7","5","5","9","2","3","1") = "8"
    & skf18("7","5","5","9","2","4","1") = "8"
    & skf18("7","5","5","9","2","5","1") = "8"
    & skf18("7","5","5","9","2","6","1") = "8"
    & skf18("7","5","5","9","2","7","1") = "8"
    & skf18("7","5","5","9","2","8","1") = "8"
    & skf18("7","5","5","9","2","9","1") = "8"
    & skf18("7","5","5","9","2","10","1") = "9"
    & skf18("7","5","5","9","3","1","1") = "8"
    & skf18("7","5","5","9","3","2","1") = "8"
    & skf18("7","5","5","9","3","3","1") = "8"
    & skf18("7","5","5","9","3","4","1") = "8"
    & skf18("7","5","5","9","3","5","1") = "8"
    & skf18("7","5","5","9","3","6","1") = "8"
    & skf18("7","5","5","9","3","7","1") = "8"
    & skf18("7","5","5","9","3","8","1") = "8"
    & skf18("7","5","5","9","3","9","1") = "8"
    & skf18("7","5","5","9","3","10","1") = "9"
    & skf18("7","5","5","9","4","1","1") = "8"
    & skf18("7","5","5","9","4","2","1") = "8"
    & skf18("7","5","5","9","4","3","1") = "8"
    & skf18("7","5","5","9","4","4","1") = "8"
    & skf18("7","5","5","9","4","5","1") = "8"
    & skf18("7","5","5","9","4","6","1") = "8"
    & skf18("7","5","5","9","4","7","1") = "8"
    & skf18("7","5","5","9","4","8","1") = "8"
    & skf18("7","5","5","9","4","9","1") = "8"
    & skf18("7","5","5","9","4","10","1") = "9"
    & skf18("7","5","5","9","5","1","1") = "8"
    & skf18("7","5","5","9","5","2","1") = "8"
    & skf18("7","5","5","9","5","3","1") = "8"
    & skf18("7","5","5","9","5","4","1") = "8"
    & skf18("7","5","5","9","5","5","1") = "8"
    & skf18("7","5","5","9","5","6","1") = "8"
    & skf18("7","5","5","9","5","7","1") = "8"
    & skf18("7","5","5","9","5","8","1") = "8"
    & skf18("7","5","5","9","5","9","1") = "8"
    & skf18("7","5","5","9","5","10","1") = "9"
    & skf18("7","5","5","9","6","1","1") = "8"
    & skf18("7","5","5","9","6","2","1") = "8"
    & skf18("7","5","5","9","6","3","1") = "8"
    & skf18("7","5","5","9","6","4","1") = "8"
    & skf18("7","5","5","9","6","5","1") = "8"
    & skf18("7","5","5","9","6","6","1") = "8"
    & skf18("7","5","5","9","6","7","1") = "8"
    & skf18("7","5","5","9","6","8","1") = "8"
    & skf18("7","5","5","9","6","9","1") = "8"
    & skf18("7","5","5","9","6","10","1") = "9"
    & skf18("7","5","5","9","7","1","1") = "8"
    & skf18("7","5","5","9","7","2","1") = "8"
    & skf18("7","5","5","9","7","3","1") = "8"
    & skf18("7","5","5","9","7","4","1") = "8"
    & skf18("7","5","5","9","7","5","1") = "8"
    & skf18("7","5","5","9","7","6","1") = "8"
    & skf18("7","5","5","9","7","7","1") = "8"
    & skf18("7","5","5","9","7","8","1") = "8"
    & skf18("7","5","5","9","7","9","1") = "8"
    & skf18("7","5","5","9","7","10","1") = "9"
    & skf18("7","5","5","9","8","1","1") = "8"
    & skf18("7","5","5","9","8","2","1") = "8"
    & skf18("7","5","5","9","8","3","1") = "8"
    & skf18("7","5","5","9","8","4","1") = "8"
    & skf18("7","5","5","9","8","5","1") = "8"
    & skf18("7","5","5","9","8","6","1") = "8"
    & skf18("7","5","5","9","8","7","1") = "8"
    & skf18("7","5","5","9","8","8","1") = "8"
    & skf18("7","5","5","9","8","9","1") = "8"
    & skf18("7","5","5","9","8","10","1") = "9"
    & skf18("7","5","5","9","9","1","1") = "8"
    & skf18("7","5","5","9","9","2","1") = "8"
    & skf18("7","5","5","9","9","3","1") = "8"
    & skf18("7","5","5","9","9","4","1") = "8"
    & skf18("7","5","5","9","9","5","1") = "8"
    & skf18("7","5","5","9","9","6","1") = "8"
    & skf18("7","5","5","9","9","7","1") = "8"
    & skf18("7","5","5","9","9","8","1") = "8"
    & skf18("7","5","5","9","9","9","1") = "8"
    & skf18("7","5","5","9","9","10","1") = "9"
    & skf18("7","5","5","9","10","1","1") = "9"
    & skf18("7","5","5","9","10","2","1") = "9"
    & skf18("7","5","5","9","10","3","1") = "9"
    & skf18("7","5","5","9","10","4","1") = "9"
    & skf18("7","5","5","9","10","5","1") = "9"
    & skf18("7","5","5","9","10","6","1") = "9"
    & skf18("7","5","5","9","10","7","1") = "9"
    & skf18("7","5","5","9","10","8","1") = "9"
    & skf18("7","5","5","9","10","9","1") = "9"
    & skf18("7","5","5","9","10","10","1") = "9"
    & skf18("7","5","5","10","1","1","1") = "9"
    & skf18("7","5","5","10","1","2","1") = "9"
    & skf18("7","5","5","10","1","3","1") = "9"
    & skf18("7","5","5","10","1","4","1") = "9"
    & skf18("7","5","5","10","1","5","1") = "9"
    & skf18("7","5","5","10","1","6","1") = "9"
    & skf18("7","5","5","10","1","7","1") = "9"
    & skf18("7","5","5","10","1","8","1") = "9"
    & skf18("7","5","5","10","1","9","1") = "9"
    & skf18("7","5","5","10","1","10","1") = "9"
    & skf18("7","5","5","10","2","1","1") = "9"
    & skf18("7","5","5","10","2","2","1") = "9"
    & skf18("7","5","5","10","2","3","1") = "9"
    & skf18("7","5","5","10","2","4","1") = "9"
    & skf18("7","5","5","10","2","5","1") = "9"
    & skf18("7","5","5","10","2","6","1") = "9"
    & skf18("7","5","5","10","2","7","1") = "9"
    & skf18("7","5","5","10","2","8","1") = "9"
    & skf18("7","5","5","10","2","9","1") = "9"
    & skf18("7","5","5","10","2","10","1") = "9"
    & skf18("7","5","5","10","3","1","1") = "9"
    & skf18("7","5","5","10","3","2","1") = "9"
    & skf18("7","5","5","10","3","3","1") = "9"
    & skf18("7","5","5","10","3","4","1") = "9"
    & skf18("7","5","5","10","3","5","1") = "9"
    & skf18("7","5","5","10","3","6","1") = "9"
    & skf18("7","5","5","10","3","7","1") = "9"
    & skf18("7","5","5","10","3","8","1") = "9"
    & skf18("7","5","5","10","3","9","1") = "9"
    & skf18("7","5","5","10","3","10","1") = "9"
    & skf18("7","5","5","10","4","1","1") = "9"
    & skf18("7","5","5","10","4","2","1") = "9"
    & skf18("7","5","5","10","4","3","1") = "9"
    & skf18("7","5","5","10","4","4","1") = "9"
    & skf18("7","5","5","10","4","5","1") = "9"
    & skf18("7","5","5","10","4","6","1") = "9"
    & skf18("7","5","5","10","4","7","1") = "9"
    & skf18("7","5","5","10","4","8","1") = "9"
    & skf18("7","5","5","10","4","9","1") = "9"
    & skf18("7","5","5","10","4","10","1") = "9"
    & skf18("7","5","5","10","5","1","1") = "9"
    & skf18("7","5","5","10","5","2","1") = "9"
    & skf18("7","5","5","10","5","3","1") = "9"
    & skf18("7","5","5","10","5","4","1") = "9"
    & skf18("7","5","5","10","5","5","1") = "9"
    & skf18("7","5","5","10","5","6","1") = "9"
    & skf18("7","5","5","10","5","7","1") = "9"
    & skf18("7","5","5","10","5","8","1") = "9"
    & skf18("7","5","5","10","5","9","1") = "9"
    & skf18("7","5","5","10","5","10","1") = "9"
    & skf18("7","5","5","10","6","1","1") = "9"
    & skf18("7","5","5","10","6","2","1") = "9"
    & skf18("7","5","5","10","6","3","1") = "9"
    & skf18("7","5","5","10","6","4","1") = "9"
    & skf18("7","5","5","10","6","5","1") = "9"
    & skf18("7","5","5","10","6","6","1") = "9"
    & skf18("7","5","5","10","6","7","1") = "9"
    & skf18("7","5","5","10","6","8","1") = "9"
    & skf18("7","5","5","10","6","9","1") = "9"
    & skf18("7","5","5","10","6","10","1") = "9"
    & skf18("7","5","5","10","7","1","1") = "9"
    & skf18("7","5","5","10","7","2","1") = "9"
    & skf18("7","5","5","10","7","3","1") = "9"
    & skf18("7","5","5","10","7","4","1") = "9"
    & skf18("7","5","5","10","7","5","1") = "9"
    & skf18("7","5","5","10","7","6","1") = "9"
    & skf18("7","5","5","10","7","7","1") = "9"
    & skf18("7","5","5","10","7","8","1") = "9"
    & skf18("7","5","5","10","7","9","1") = "9"
    & skf18("7","5","5","10","7","10","1") = "9"
    & skf18("7","5","5","10","8","1","1") = "9"
    & skf18("7","5","5","10","8","2","1") = "9"
    & skf18("7","5","5","10","8","3","1") = "9"
    & skf18("7","5","5","10","8","4","1") = "9"
    & skf18("7","5","5","10","8","5","1") = "9"
    & skf18("7","5","5","10","8","6","1") = "9"
    & skf18("7","5","5","10","8","7","1") = "9"
    & skf18("7","5","5","10","8","8","1") = "9"
    & skf18("7","5","5","10","8","9","1") = "9"
    & skf18("7","5","5","10","8","10","1") = "9"
    & skf18("7","5","5","10","9","1","1") = "9"
    & skf18("7","5","5","10","9","2","1") = "9"
    & skf18("7","5","5","10","9","3","1") = "9"
    & skf18("7","5","5","10","9","4","1") = "9"
    & skf18("7","5","5","10","9","5","1") = "9"
    & skf18("7","5","5","10","9","6","1") = "9"
    & skf18("7","5","5","10","9","7","1") = "9"
    & skf18("7","5","5","10","9","8","1") = "9"
    & skf18("7","5","5","10","9","9","1") = "9"
    & skf18("7","5","5","10","9","10","1") = "9"
    & skf18("7","5","5","10","10","1","1") = "9"
    & skf18("7","5","5","10","10","2","1") = "9"
    & skf18("7","5","5","10","10","3","1") = "9"
    & skf18("7","5","5","10","10","4","1") = "9"
    & skf18("7","5","5","10","10","5","1") = "9"
    & skf18("7","5","5","10","10","6","1") = "9"
    & skf18("7","5","5","10","10","7","1") = "9"
    & skf18("7","5","5","10","10","8","1") = "9"
    & skf18("7","5","5","10","10","9","1") = "9"
    & skf18("7","5","5","10","10","10","1") = "9"
    & skf18("7","5","6","1","1","1","1") = "6"
    & skf18("7","5","6","1","1","2","1") = "6"
    & skf18("7","5","6","1","1","3","1") = "6"
    & skf18("7","5","6","1","1","4","1") = "6"
    & skf18("7","5","6","1","1","5","1") = "6"
    & skf18("7","5","6","1","1","6","1") = "6"
    & skf18("7","5","6","1","1","7","1") = "6"
    & skf18("7","5","6","1","1","8","1") = "7"
    & skf18("7","5","6","1","1","9","1") = "8"
    & skf18("7","5","6","1","1","10","1") = "9"
    & skf18("7","5","6","1","2","1","1") = "6"
    & skf18("7","5","6","1","2","2","1") = "6"
    & skf18("7","5","6","1","2","3","1") = "6"
    & skf18("7","5","6","1","2","4","1") = "6"
    & skf18("7","5","6","1","2","5","1") = "6"
    & skf18("7","5","6","1","2","6","1") = "6"
    & skf18("7","5","6","1","2","7","1") = "6"
    & skf18("7","5","6","1","2","8","1") = "7"
    & skf18("7","5","6","1","2","9","1") = "8"
    & skf18("7","5","6","1","2","10","1") = "9"
    & skf18("7","5","6","1","3","1","1") = "6"
    & skf18("7","5","6","1","3","2","1") = "6"
    & skf18("7","5","6","1","3","3","1") = "6"
    & skf18("7","5","6","1","3","4","1") = "6"
    & skf18("7","5","6","1","3","5","1") = "6"
    & skf18("7","5","6","1","3","6","1") = "6"
    & skf18("7","5","6","1","3","7","1") = "6"
    & skf18("7","5","6","1","3","8","1") = "7"
    & skf18("7","5","6","1","3","9","1") = "8"
    & skf18("7","5","6","1","3","10","1") = "9"
    & skf18("7","5","6","1","4","1","1") = "6"
    & skf18("7","5","6","1","4","2","1") = "6"
    & skf18("7","5","6","1","4","3","1") = "6"
    & skf18("7","5","6","1","4","4","1") = "6"
    & skf18("7","5","6","1","4","5","1") = "6"
    & skf18("7","5","6","1","4","6","1") = "6"
    & skf18("7","5","6","1","4","7","1") = "6"
    & skf18("7","5","6","1","4","8","1") = "7"
    & skf18("7","5","6","1","4","9","1") = "8"
    & skf18("7","5","6","1","4","10","1") = "9"
    & skf18("7","5","6","1","5","1","1") = "6"
    & skf18("7","5","6","1","5","2","1") = "6"
    & skf18("7","5","6","1","5","3","1") = "6"
    & skf18("7","5","6","1","5","4","1") = "6"
    & skf18("7","5","6","1","5","5","1") = "6"
    & skf18("7","5","6","1","5","6","1") = "6"
    & skf18("7","5","6","1","5","7","1") = "6"
    & skf18("7","5","6","1","5","8","1") = "7"
    & skf18("7","5","6","1","5","9","1") = "8"
    & skf18("7","5","6","1","5","10","1") = "9"
    & skf18("7","5","6","1","6","1","1") = "6"
    & skf18("7","5","6","1","6","2","1") = "6"
    & skf18("7","5","6","1","6","3","1") = "6"
    & skf18("7","5","6","1","6","4","1") = "6"
    & skf18("7","5","6","1","6","5","1") = "6"
    & skf18("7","5","6","1","6","6","1") = "6"
    & skf18("7","5","6","1","6","7","1") = "6"
    & skf18("7","5","6","1","6","8","1") = "7"
    & skf18("7","5","6","1","6","9","1") = "8"
    & skf18("7","5","6","1","6","10","1") = "9"
    & skf18("7","5","6","1","7","1","1") = "6"
    & skf18("7","5","6","1","7","2","1") = "6"
    & skf18("7","5","6","1","7","3","1") = "6"
    & skf18("7","5","6","1","7","4","1") = "6"
    & skf18("7","5","6","1","7","5","1") = "6"
    & skf18("7","5","6","1","7","6","1") = "6"
    & skf18("7","5","6","1","7","7","1") = "6"
    & skf18("7","5","6","1","7","8","1") = "7"
    & skf18("7","5","6","1","7","9","1") = "8"
    & skf18("7","5","6","1","7","10","1") = "9"
    & skf18("7","5","6","1","8","1","1") = "7"
    & skf18("7","5","6","1","8","2","1") = "7"
    & skf18("7","5","6","1","8","3","1") = "7"
    & skf18("7","5","6","1","8","4","1") = "7"
    & skf18("7","5","6","1","8","5","1") = "7"
    & skf18("7","5","6","1","8","6","1") = "7"
    & skf18("7","5","6","1","8","7","1") = "7"
    & skf18("7","5","6","1","8","8","1") = "7"
    & skf18("7","5","6","1","8","9","1") = "8"
    & skf18("7","5","6","1","8","10","1") = "9"
    & skf18("7","5","6","1","9","1","1") = "8"
    & skf18("7","5","6","1","9","2","1") = "8"
    & skf18("7","5","6","1","9","3","1") = "8"
    & skf18("7","5","6","1","9","4","1") = "8"
    & skf18("7","5","6","1","9","5","1") = "8"
    & skf18("7","5","6","1","9","6","1") = "8"
    & skf18("7","5","6","1","9","7","1") = "8"
    & skf18("7","5","6","1","9","8","1") = "8"
    & skf18("7","5","6","1","9","9","1") = "8"
    & skf18("7","5","6","1","9","10","1") = "9"
    & skf18("7","5","6","1","10","1","1") = "9"
    & skf18("7","5","6","1","10","2","1") = "9"
    & skf18("7","5","6","1","10","3","1") = "9"
    & skf18("7","5","6","1","10","4","1") = "9"
    & skf18("7","5","6","1","10","5","1") = "9"
    & skf18("7","5","6","1","10","6","1") = "9"
    & skf18("7","5","6","1","10","7","1") = "9"
    & skf18("7","5","6","1","10","8","1") = "9"
    & skf18("7","5","6","1","10","9","1") = "9"
    & skf18("7","5","6","1","10","10","1") = "9"
    & skf18("7","5","6","2","1","1","1") = "6"
    & skf18("7","5","6","2","1","2","1") = "6"
    & skf18("7","5","6","2","1","3","1") = "6"
    & skf18("7","5","6","2","1","4","1") = "6"
    & skf18("7","5","6","2","1","5","1") = "6"
    & skf18("7","5","6","2","1","6","1") = "6"
    & skf18("7","5","6","2","1","7","1") = "6"
    & skf18("7","5","6","2","1","8","1") = "7"
    & skf18("7","5","6","2","1","9","1") = "8"
    & skf18("7","5","6","2","1","10","1") = "9"
    & skf18("7","5","6","2","2","1","1") = "6"
    & skf18("7","5","6","2","2","2","1") = "6"
    & skf18("7","5","6","2","2","3","1") = "6"
    & skf18("7","5","6","2","2","4","1") = "6"
    & skf18("7","5","6","2","2","5","1") = "6"
    & skf18("7","5","6","2","2","6","1") = "6"
    & skf18("7","5","6","2","2","7","1") = "6"
    & skf18("7","5","6","2","2","8","1") = "7"
    & skf18("7","5","6","2","2","9","1") = "8"
    & skf18("7","5","6","2","2","10","1") = "9"
    & skf18("7","5","6","2","3","1","1") = "6"
    & skf18("7","5","6","2","3","2","1") = "6"
    & skf18("7","5","6","2","3","3","1") = "6"
    & skf18("7","5","6","2","3","4","1") = "6"
    & skf18("7","5","6","2","3","5","1") = "6"
    & skf18("7","5","6","2","3","6","1") = "6"
    & skf18("7","5","6","2","3","7","1") = "6"
    & skf18("7","5","6","2","3","8","1") = "7"
    & skf18("7","5","6","2","3","9","1") = "8"
    & skf18("7","5","6","2","3","10","1") = "9"
    & skf18("7","5","6","2","4","1","1") = "6"
    & skf18("7","5","6","2","4","2","1") = "6"
    & skf18("7","5","6","2","4","3","1") = "6"
    & skf18("7","5","6","2","4","4","1") = "6"
    & skf18("7","5","6","2","4","5","1") = "6"
    & skf18("7","5","6","2","4","6","1") = "6"
    & skf18("7","5","6","2","4","7","1") = "6"
    & skf18("7","5","6","2","4","8","1") = "7"
    & skf18("7","5","6","2","4","9","1") = "8"
    & skf18("7","5","6","2","4","10","1") = "9"
    & skf18("7","5","6","2","5","1","1") = "6"
    & skf18("7","5","6","2","5","2","1") = "6"
    & skf18("7","5","6","2","5","3","1") = "6"
    & skf18("7","5","6","2","5","4","1") = "6"
    & skf18("7","5","6","2","5","5","1") = "6"
    & skf18("7","5","6","2","5","6","1") = "6"
    & skf18("7","5","6","2","5","7","1") = "6"
    & skf18("7","5","6","2","5","8","1") = "7"
    & skf18("7","5","6","2","5","9","1") = "8"
    & skf18("7","5","6","2","5","10","1") = "9"
    & skf18("7","5","6","2","6","1","1") = "6"
    & skf18("7","5","6","2","6","2","1") = "6"
    & skf18("7","5","6","2","6","3","1") = "6"
    & skf18("7","5","6","2","6","4","1") = "6"
    & skf18("7","5","6","2","6","5","1") = "6"
    & skf18("7","5","6","2","6","6","1") = "6"
    & skf18("7","5","6","2","6","7","1") = "6"
    & skf18("7","5","6","2","6","8","1") = "7"
    & skf18("7","5","6","2","6","9","1") = "8"
    & skf18("7","5","6","2","6","10","1") = "9"
    & skf18("7","5","6","2","7","1","1") = "6"
    & skf18("7","5","6","2","7","2","1") = "6"
    & skf18("7","5","6","2","7","3","1") = "6"
    & skf18("7","5","6","2","7","4","1") = "6"
    & skf18("7","5","6","2","7","5","1") = "6"
    & skf18("7","5","6","2","7","6","1") = "6"
    & skf18("7","5","6","2","7","7","1") = "6"
    & skf18("7","5","6","2","7","8","1") = "7"
    & skf18("7","5","6","2","7","9","1") = "8"
    & skf18("7","5","6","2","7","10","1") = "9"
    & skf18("7","5","6","2","8","1","1") = "7"
    & skf18("7","5","6","2","8","2","1") = "7"
    & skf18("7","5","6","2","8","3","1") = "7"
    & skf18("7","5","6","2","8","4","1") = "7"
    & skf18("7","5","6","2","8","5","1") = "7"
    & skf18("7","5","6","2","8","6","1") = "7"
    & skf18("7","5","6","2","8","7","1") = "7"
    & skf18("7","5","6","2","8","8","1") = "7"
    & skf18("7","5","6","2","8","9","1") = "8"
    & skf18("7","5","6","2","8","10","1") = "9"
    & skf18("7","5","6","2","9","1","1") = "8"
    & skf18("7","5","6","2","9","2","1") = "8"
    & skf18("7","5","6","2","9","3","1") = "8"
    & skf18("7","5","6","2","9","4","1") = "8"
    & skf18("7","5","6","2","9","5","1") = "8"
    & skf18("7","5","6","2","9","6","1") = "8"
    & skf18("7","5","6","2","9","7","1") = "8"
    & skf18("7","5","6","2","9","8","1") = "8"
    & skf18("7","5","6","2","9","9","1") = "8"
    & skf18("7","5","6","2","9","10","1") = "9"
    & skf18("7","5","6","2","10","1","1") = "9"
    & skf18("7","5","6","2","10","2","1") = "9"
    & skf18("7","5","6","2","10","3","1") = "9"
    & skf18("7","5","6","2","10","4","1") = "9"
    & skf18("7","5","6","2","10","5","1") = "9"
    & skf18("7","5","6","2","10","6","1") = "9"
    & skf18("7","5","6","2","10","7","1") = "9"
    & skf18("7","5","6","2","10","8","1") = "9"
    & skf18("7","5","6","2","10","9","1") = "9"
    & skf18("7","5","6","2","10","10","1") = "9"
    & skf18("7","5","6","3","1","1","1") = "6"
    & skf18("7","5","6","3","1","2","1") = "6"
    & skf18("7","5","6","3","1","3","1") = "6"
    & skf18("7","5","6","3","1","4","1") = "6"
    & skf18("7","5","6","3","1","5","1") = "6"
    & skf18("7","5","6","3","1","6","1") = "6"
    & skf18("7","5","6","3","1","7","1") = "6"
    & skf18("7","5","6","3","1","8","1") = "7"
    & skf18("7","5","6","3","1","9","1") = "8"
    & skf18("7","5","6","3","1","10","1") = "9"
    & skf18("7","5","6","3","2","1","1") = "6"
    & skf18("7","5","6","3","2","2","1") = "6"
    & skf18("7","5","6","3","2","3","1") = "6"
    & skf18("7","5","6","3","2","4","1") = "6"
    & skf18("7","5","6","3","2","5","1") = "6"
    & skf18("7","5","6","3","2","6","1") = "6"
    & skf18("7","5","6","3","2","7","1") = "6"
    & skf18("7","5","6","3","2","8","1") = "7"
    & skf18("7","5","6","3","2","9","1") = "8"
    & skf18("7","5","6","3","2","10","1") = "9"
    & skf18("7","5","6","3","3","1","1") = "6"
    & skf18("7","5","6","3","3","2","1") = "6"
    & skf18("7","5","6","3","3","3","1") = "6"
    & skf18("7","5","6","3","3","4","1") = "6"
    & skf18("7","5","6","3","3","5","1") = "6"
    & skf18("7","5","6","3","3","6","1") = "6"
    & skf18("7","5","6","3","3","7","1") = "6"
    & skf18("7","5","6","3","3","8","1") = "7"
    & skf18("7","5","6","3","3","9","1") = "8"
    & skf18("7","5","6","3","3","10","1") = "9"
    & skf18("7","5","6","3","4","1","1") = "6"
    & skf18("7","5","6","3","4","2","1") = "6"
    & skf18("7","5","6","3","4","3","1") = "6"
    & skf18("7","5","6","3","4","4","1") = "6"
    & skf18("7","5","6","3","4","5","1") = "6"
    & skf18("7","5","6","3","4","6","1") = "6"
    & skf18("7","5","6","3","4","7","1") = "6"
    & skf18("7","5","6","3","4","8","1") = "7"
    & skf18("7","5","6","3","4","9","1") = "8"
    & skf18("7","5","6","3","4","10","1") = "9"
    & skf18("7","5","6","3","5","1","1") = "6"
    & skf18("7","5","6","3","5","2","1") = "6"
    & skf18("7","5","6","3","5","3","1") = "6"
    & skf18("7","5","6","3","5","4","1") = "6"
    & skf18("7","5","6","3","5","5","1") = "6"
    & skf18("7","5","6","3","5","6","1") = "6"
    & skf18("7","5","6","3","5","7","1") = "6"
    & skf18("7","5","6","3","5","8","1") = "7"
    & skf18("7","5","6","3","5","9","1") = "8"
    & skf18("7","5","6","3","5","10","1") = "9"
    & skf18("7","5","6","3","6","1","1") = "6"
    & skf18("7","5","6","3","6","2","1") = "6"
    & skf18("7","5","6","3","6","3","1") = "6"
    & skf18("7","5","6","3","6","4","1") = "6"
    & skf18("7","5","6","3","6","5","1") = "6"
    & skf18("7","5","6","3","6","6","1") = "6"
    & skf18("7","5","6","3","6","7","1") = "6"
    & skf18("7","5","6","3","6","8","1") = "7"
    & skf18("7","5","6","3","6","9","1") = "8"
    & skf18("7","5","6","3","6","10","1") = "9"
    & skf18("7","5","6","3","7","1","1") = "6"
    & skf18("7","5","6","3","7","2","1") = "6"
    & skf18("7","5","6","3","7","3","1") = "6"
    & skf18("7","5","6","3","7","4","1") = "6"
    & skf18("7","5","6","3","7","5","1") = "6"
    & skf18("7","5","6","3","7","6","1") = "6"
    & skf18("7","5","6","3","7","7","1") = "6"
    & skf18("7","5","6","3","7","8","1") = "7"
    & skf18("7","5","6","3","7","9","1") = "8"
    & skf18("7","5","6","3","7","10","1") = "9"
    & skf18("7","5","6","3","8","1","1") = "7"
    & skf18("7","5","6","3","8","2","1") = "7"
    & skf18("7","5","6","3","8","3","1") = "7"
    & skf18("7","5","6","3","8","4","1") = "7"
    & skf18("7","5","6","3","8","5","1") = "7"
    & skf18("7","5","6","3","8","6","1") = "7"
    & skf18("7","5","6","3","8","7","1") = "7"
    & skf18("7","5","6","3","8","8","1") = "7"
    & skf18("7","5","6","3","8","9","1") = "8"
    & skf18("7","5","6","3","8","10","1") = "9"
    & skf18("7","5","6","3","9","1","1") = "8"
    & skf18("7","5","6","3","9","2","1") = "8"
    & skf18("7","5","6","3","9","3","1") = "8"
    & skf18("7","5","6","3","9","4","1") = "8"
    & skf18("7","5","6","3","9","5","1") = "8"
    & skf18("7","5","6","3","9","6","1") = "8"
    & skf18("7","5","6","3","9","7","1") = "8"
    & skf18("7","5","6","3","9","8","1") = "8"
    & skf18("7","5","6","3","9","9","1") = "8"
    & skf18("7","5","6","3","9","10","1") = "9"
    & skf18("7","5","6","3","10","1","1") = "9"
    & skf18("7","5","6","3","10","2","1") = "9"
    & skf18("7","5","6","3","10","3","1") = "9"
    & skf18("7","5","6","3","10","4","1") = "9"
    & skf18("7","5","6","3","10","5","1") = "9"
    & skf18("7","5","6","3","10","6","1") = "9"
    & skf18("7","5","6","3","10","7","1") = "9"
    & skf18("7","5","6","3","10","8","1") = "9"
    & skf18("7","5","6","3","10","9","1") = "9"
    & skf18("7","5","6","3","10","10","1") = "9"
    & skf18("7","5","6","4","1","1","1") = "6"
    & skf18("7","5","6","4","1","2","1") = "6"
    & skf18("7","5","6","4","1","3","1") = "6"
    & skf18("7","5","6","4","1","4","1") = "6"
    & skf18("7","5","6","4","1","5","1") = "6"
    & skf18("7","5","6","4","1","6","1") = "6"
    & skf18("7","5","6","4","1","7","1") = "6"
    & skf18("7","5","6","4","1","8","1") = "7"
    & skf18("7","5","6","4","1","9","1") = "8"
    & skf18("7","5","6","4","1","10","1") = "9"
    & skf18("7","5","6","4","2","1","1") = "6"
    & skf18("7","5","6","4","2","2","1") = "6"
    & skf18("7","5","6","4","2","3","1") = "6"
    & skf18("7","5","6","4","2","4","1") = "6"
    & skf18("7","5","6","4","2","5","1") = "6"
    & skf18("7","5","6","4","2","6","1") = "6"
    & skf18("7","5","6","4","2","7","1") = "6"
    & skf18("7","5","6","4","2","8","1") = "7"
    & skf18("7","5","6","4","2","9","1") = "8"
    & skf18("7","5","6","4","2","10","1") = "9"
    & skf18("7","5","6","4","3","1","1") = "6"
    & skf18("7","5","6","4","3","2","1") = "6"
    & skf18("7","5","6","4","3","3","1") = "6"
    & skf18("7","5","6","4","3","4","1") = "6"
    & skf18("7","5","6","4","3","5","1") = "6"
    & skf18("7","5","6","4","3","6","1") = "6"
    & skf18("7","5","6","4","3","7","1") = "6"
    & skf18("7","5","6","4","3","8","1") = "7"
    & skf18("7","5","6","4","3","9","1") = "8"
    & skf18("7","5","6","4","3","10","1") = "9"
    & skf18("7","5","6","4","4","1","1") = "6"
    & skf18("7","5","6","4","4","2","1") = "6"
    & skf18("7","5","6","4","4","3","1") = "6"
    & skf18("7","5","6","4","4","4","1") = "6"
    & skf18("7","5","6","4","4","5","1") = "6"
    & skf18("7","5","6","4","4","6","1") = "6"
    & skf18("7","5","6","4","4","7","1") = "6"
    & skf18("7","5","6","4","4","8","1") = "7"
    & skf18("7","5","6","4","4","9","1") = "8"
    & skf18("7","5","6","4","4","10","1") = "9"
    & skf18("7","5","6","4","5","1","1") = "6"
    & skf18("7","5","6","4","5","2","1") = "6"
    & skf18("7","5","6","4","5","3","1") = "6"
    & skf18("7","5","6","4","5","4","1") = "6"
    & skf18("7","5","6","4","5","5","1") = "6"
    & skf18("7","5","6","4","5","6","1") = "6"
    & skf18("7","5","6","4","5","7","1") = "6"
    & skf18("7","5","6","4","5","8","1") = "7"
    & skf18("7","5","6","4","5","9","1") = "8"
    & skf18("7","5","6","4","5","10","1") = "9"
    & skf18("7","5","6","4","6","1","1") = "6"
    & skf18("7","5","6","4","6","2","1") = "6"
    & skf18("7","5","6","4","6","3","1") = "6"
    & skf18("7","5","6","4","6","4","1") = "6"
    & skf18("7","5","6","4","6","5","1") = "6"
    & skf18("7","5","6","4","6","6","1") = "6"
    & skf18("7","5","6","4","6","7","1") = "6"
    & skf18("7","5","6","4","6","8","1") = "7"
    & skf18("7","5","6","4","6","9","1") = "8"
    & skf18("7","5","6","4","6","10","1") = "9"
    & skf18("7","5","6","4","7","1","1") = "6"
    & skf18("7","5","6","4","7","2","1") = "6"
    & skf18("7","5","6","4","7","3","1") = "6"
    & skf18("7","5","6","4","7","4","1") = "6"
    & skf18("7","5","6","4","7","5","1") = "6"
    & skf18("7","5","6","4","7","6","1") = "6"
    & skf18("7","5","6","4","7","7","1") = "6"
    & skf18("7","5","6","4","7","8","1") = "7"
    & skf18("7","5","6","4","7","9","1") = "8"
    & skf18("7","5","6","4","7","10","1") = "9"
    & skf18("7","5","6","4","8","1","1") = "7"
    & skf18("7","5","6","4","8","2","1") = "7"
    & skf18("7","5","6","4","8","3","1") = "7"
    & skf18("7","5","6","4","8","4","1") = "7"
    & skf18("7","5","6","4","8","5","1") = "7"
    & skf18("7","5","6","4","8","6","1") = "7"
    & skf18("7","5","6","4","8","7","1") = "7"
    & skf18("7","5","6","4","8","8","1") = "7"
    & skf18("7","5","6","4","8","9","1") = "8"
    & skf18("7","5","6","4","8","10","1") = "9"
    & skf18("7","5","6","4","9","1","1") = "8"
    & skf18("7","5","6","4","9","2","1") = "8"
    & skf18("7","5","6","4","9","3","1") = "8"
    & skf18("7","5","6","4","9","4","1") = "8"
    & skf18("7","5","6","4","9","5","1") = "8"
    & skf18("7","5","6","4","9","6","1") = "8"
    & skf18("7","5","6","4","9","7","1") = "8"
    & skf18("7","5","6","4","9","8","1") = "8"
    & skf18("7","5","6","4","9","9","1") = "8"
    & skf18("7","5","6","4","9","10","1") = "9"
    & skf18("7","5","6","4","10","1","1") = "9"
    & skf18("7","5","6","4","10","2","1") = "9"
    & skf18("7","5","6","4","10","3","1") = "9"
    & skf18("7","5","6","4","10","4","1") = "9"
    & skf18("7","5","6","4","10","5","1") = "9"
    & skf18("7","5","6","4","10","6","1") = "9"
    & skf18("7","5","6","4","10","7","1") = "9"
    & skf18("7","5","6","4","10","8","1") = "9"
    & skf18("7","5","6","4","10","9","1") = "9"
    & skf18("7","5","6","4","10","10","1") = "9"
    & skf18("7","5","6","5","1","1","1") = "6"
    & skf18("7","5","6","5","1","2","1") = "6"
    & skf18("7","5","6","5","1","3","1") = "6"
    & skf18("7","5","6","5","1","4","1") = "6"
    & skf18("7","5","6","5","1","5","1") = "6"
    & skf18("7","5","6","5","1","6","1") = "6"
    & skf18("7","5","6","5","1","7","1") = "6"
    & skf18("7","5","6","5","1","8","1") = "7"
    & skf18("7","5","6","5","1","9","1") = "8"
    & skf18("7","5","6","5","1","10","1") = "9"
    & skf18("7","5","6","5","2","1","1") = "6"
    & skf18("7","5","6","5","2","2","1") = "6"
    & skf18("7","5","6","5","2","3","1") = "6"
    & skf18("7","5","6","5","2","4","1") = "6"
    & skf18("7","5","6","5","2","5","1") = "6"
    & skf18("7","5","6","5","2","6","1") = "6"
    & skf18("7","5","6","5","2","7","1") = "6"
    & skf18("7","5","6","5","2","8","1") = "7"
    & skf18("7","5","6","5","2","9","1") = "8"
    & skf18("7","5","6","5","2","10","1") = "9"
    & skf18("7","5","6","5","3","1","1") = "6"
    & skf18("7","5","6","5","3","2","1") = "6"
    & skf18("7","5","6","5","3","3","1") = "6"
    & skf18("7","5","6","5","3","4","1") = "6"
    & skf18("7","5","6","5","3","5","1") = "6"
    & skf18("7","5","6","5","3","6","1") = "6"
    & skf18("7","5","6","5","3","7","1") = "6"
    & skf18("7","5","6","5","3","8","1") = "7"
    & skf18("7","5","6","5","3","9","1") = "8"
    & skf18("7","5","6","5","3","10","1") = "9"
    & skf18("7","5","6","5","4","1","1") = "6"
    & skf18("7","5","6","5","4","2","1") = "6"
    & skf18("7","5","6","5","4","3","1") = "6"
    & skf18("7","5","6","5","4","4","1") = "6"
    & skf18("7","5","6","5","4","5","1") = "6"
    & skf18("7","5","6","5","4","6","1") = "6"
    & skf18("7","5","6","5","4","7","1") = "6"
    & skf18("7","5","6","5","4","8","1") = "7"
    & skf18("7","5","6","5","4","9","1") = "8"
    & skf18("7","5","6","5","4","10","1") = "9"
    & skf18("7","5","6","5","5","1","1") = "6"
    & skf18("7","5","6","5","5","2","1") = "6"
    & skf18("7","5","6","5","5","3","1") = "6"
    & skf18("7","5","6","5","5","4","1") = "6"
    & skf18("7","5","6","5","5","5","1") = "6"
    & skf18("7","5","6","5","5","6","1") = "6"
    & skf18("7","5","6","5","5","7","1") = "6"
    & skf18("7","5","6","5","5","8","1") = "7"
    & skf18("7","5","6","5","5","9","1") = "8"
    & skf18("7","5","6","5","5","10","1") = "9"
    & skf18("7","5","6","5","6","1","1") = "6"
    & skf18("7","5","6","5","6","2","1") = "6"
    & skf18("7","5","6","5","6","3","1") = "6"
    & skf18("7","5","6","5","6","4","1") = "6"
    & skf18("7","5","6","5","6","5","1") = "6"
    & skf18("7","5","6","5","6","6","1") = "6"
    & skf18("7","5","6","5","6","7","1") = "6"
    & skf18("7","5","6","5","6","8","1") = "7"
    & skf18("7","5","6","5","6","9","1") = "8"
    & skf18("7","5","6","5","6","10","1") = "9"
    & skf18("7","5","6","5","7","1","1") = "6"
    & skf18("7","5","6","5","7","2","1") = "6"
    & skf18("7","5","6","5","7","3","1") = "6"
    & skf18("7","5","6","5","7","4","1") = "6"
    & skf18("7","5","6","5","7","5","1") = "6"
    & skf18("7","5","6","5","7","6","1") = "6"
    & skf18("7","5","6","5","7","7","1") = "6"
    & skf18("7","5","6","5","7","8","1") = "7"
    & skf18("7","5","6","5","7","9","1") = "8"
    & skf18("7","5","6","5","7","10","1") = "9"
    & skf18("7","5","6","5","8","1","1") = "7"
    & skf18("7","5","6","5","8","2","1") = "7"
    & skf18("7","5","6","5","8","3","1") = "7"
    & skf18("7","5","6","5","8","4","1") = "7"
    & skf18("7","5","6","5","8","5","1") = "7"
    & skf18("7","5","6","5","8","6","1") = "7"
    & skf18("7","5","6","5","8","7","1") = "7"
    & skf18("7","5","6","5","8","8","1") = "7"
    & skf18("7","5","6","5","8","9","1") = "8"
    & skf18("7","5","6","5","8","10","1") = "9"
    & skf18("7","5","6","5","9","1","1") = "8"
    & skf18("7","5","6","5","9","2","1") = "8"
    & skf18("7","5","6","5","9","3","1") = "8"
    & skf18("7","5","6","5","9","4","1") = "8"
    & skf18("7","5","6","5","9","5","1") = "8"
    & skf18("7","5","6","5","9","6","1") = "8"
    & skf18("7","5","6","5","9","7","1") = "8"
    & skf18("7","5","6","5","9","8","1") = "8"
    & skf18("7","5","6","5","9","9","1") = "8"
    & skf18("7","5","6","5","9","10","1") = "9"
    & skf18("7","5","6","5","10","1","1") = "9"
    & skf18("7","5","6","5","10","2","1") = "9"
    & skf18("7","5","6","5","10","3","1") = "9"
    & skf18("7","5","6","5","10","4","1") = "9"
    & skf18("7","5","6","5","10","5","1") = "9"
    & skf18("7","5","6","5","10","6","1") = "9"
    & skf18("7","5","6","5","10","7","1") = "9"
    & skf18("7","5","6","5","10","8","1") = "9"
    & skf18("7","5","6","5","10","9","1") = "9"
    & skf18("7","5","6","5","10","10","1") = "9"
    & skf18("7","5","6","6","1","1","1") = "6"
    & skf18("7","5","6","6","1","2","1") = "6"
    & skf18("7","5","6","6","1","3","1") = "6"
    & skf18("7","5","6","6","1","4","1") = "6"
    & skf18("7","5","6","6","1","5","1") = "6"
    & skf18("7","5","6","6","1","6","1") = "6"
    & skf18("7","5","6","6","1","7","1") = "6"
    & skf18("7","5","6","6","1","8","1") = "7"
    & skf18("7","5","6","6","1","9","1") = "8"
    & skf18("7","5","6","6","1","10","1") = "9"
    & skf18("7","5","6","6","2","1","1") = "6"
    & skf18("7","5","6","6","2","2","1") = "6"
    & skf18("7","5","6","6","2","3","1") = "6"
    & skf18("7","5","6","6","2","4","1") = "6"
    & skf18("7","5","6","6","2","5","1") = "6"
    & skf18("7","5","6","6","2","6","1") = "6"
    & skf18("7","5","6","6","2","7","1") = "6"
    & skf18("7","5","6","6","2","8","1") = "7"
    & skf18("7","5","6","6","2","9","1") = "8"
    & skf18("7","5","6","6","2","10","1") = "9"
    & skf18("7","5","6","6","3","1","1") = "6"
    & skf18("7","5","6","6","3","2","1") = "6"
    & skf18("7","5","6","6","3","3","1") = "6"
    & skf18("7","5","6","6","3","4","1") = "6"
    & skf18("7","5","6","6","3","5","1") = "6"
    & skf18("7","5","6","6","3","6","1") = "6"
    & skf18("7","5","6","6","3","7","1") = "6"
    & skf18("7","5","6","6","3","8","1") = "7"
    & skf18("7","5","6","6","3","9","1") = "8"
    & skf18("7","5","6","6","3","10","1") = "9"
    & skf18("7","5","6","6","4","1","1") = "6"
    & skf18("7","5","6","6","4","2","1") = "6"
    & skf18("7","5","6","6","4","3","1") = "6"
    & skf18("7","5","6","6","4","4","1") = "6"
    & skf18("7","5","6","6","4","5","1") = "6"
    & skf18("7","5","6","6","4","6","1") = "6"
    & skf18("7","5","6","6","4","7","1") = "6"
    & skf18("7","5","6","6","4","8","1") = "7"
    & skf18("7","5","6","6","4","9","1") = "8"
    & skf18("7","5","6","6","4","10","1") = "9"
    & skf18("7","5","6","6","5","1","1") = "6"
    & skf18("7","5","6","6","5","2","1") = "6"
    & skf18("7","5","6","6","5","3","1") = "6"
    & skf18("7","5","6","6","5","4","1") = "6"
    & skf18("7","5","6","6","5","5","1") = "6"
    & skf18("7","5","6","6","5","6","1") = "6"
    & skf18("7","5","6","6","5","7","1") = "6"
    & skf18("7","5","6","6","5","8","1") = "7"
    & skf18("7","5","6","6","5","9","1") = "8"
    & skf18("7","5","6","6","5","10","1") = "9"
    & skf18("7","5","6","6","6","1","1") = "6"
    & skf18("7","5","6","6","6","2","1") = "6"
    & skf18("7","5","6","6","6","3","1") = "6"
    & skf18("7","5","6","6","6","4","1") = "6"
    & skf18("7","5","6","6","6","5","1") = "6"
    & skf18("7","5","6","6","6","6","1") = "6"
    & skf18("7","5","6","6","6","7","1") = "6"
    & skf18("7","5","6","6","6","8","1") = "7"
    & skf18("7","5","6","6","6","9","1") = "8"
    & skf18("7","5","6","6","6","10","1") = "9"
    & skf18("7","5","6","6","7","1","1") = "6"
    & skf18("7","5","6","6","7","2","1") = "6"
    & skf18("7","5","6","6","7","3","1") = "6"
    & skf18("7","5","6","6","7","4","1") = "6"
    & skf18("7","5","6","6","7","5","1") = "6"
    & skf18("7","5","6","6","7","6","1") = "6"
    & skf18("7","5","6","6","7","7","1") = "6"
    & skf18("7","5","6","6","7","8","1") = "7"
    & skf18("7","5","6","6","7","9","1") = "8"
    & skf18("7","5","6","6","7","10","1") = "9"
    & skf18("7","5","6","6","8","1","1") = "7"
    & skf18("7","5","6","6","8","2","1") = "7"
    & skf18("7","5","6","6","8","3","1") = "7"
    & skf18("7","5","6","6","8","4","1") = "7"
    & skf18("7","5","6","6","8","5","1") = "7"
    & skf18("7","5","6","6","8","6","1") = "7"
    & skf18("7","5","6","6","8","7","1") = "7"
    & skf18("7","5","6","6","8","8","1") = "7"
    & skf18("7","5","6","6","8","9","1") = "8"
    & skf18("7","5","6","6","8","10","1") = "9"
    & skf18("7","5","6","6","9","1","1") = "8"
    & skf18("7","5","6","6","9","2","1") = "8"
    & skf18("7","5","6","6","9","3","1") = "8"
    & skf18("7","5","6","6","9","4","1") = "8"
    & skf18("7","5","6","6","9","5","1") = "8"
    & skf18("7","5","6","6","9","6","1") = "8"
    & skf18("7","5","6","6","9","7","1") = "8"
    & skf18("7","5","6","6","9","8","1") = "8"
    & skf18("7","5","6","6","9","9","1") = "8"
    & skf18("7","5","6","6","9","10","1") = "9"
    & skf18("7","5","6","6","10","1","1") = "9"
    & skf18("7","5","6","6","10","2","1") = "9"
    & skf18("7","5","6","6","10","3","1") = "9"
    & skf18("7","5","6","6","10","4","1") = "9"
    & skf18("7","5","6","6","10","5","1") = "9"
    & skf18("7","5","6","6","10","6","1") = "9"
    & skf18("7","5","6","6","10","7","1") = "9"
    & skf18("7","5","6","6","10","8","1") = "9"
    & skf18("7","5","6","6","10","9","1") = "9"
    & skf18("7","5","6","6","10","10","1") = "9"
    & skf18("7","5","6","7","1","1","1") = "6"
    & skf18("7","5","6","7","1","2","1") = "6"
    & skf18("7","5","6","7","1","3","1") = "6"
    & skf18("7","5","6","7","1","4","1") = "6"
    & skf18("7","5","6","7","1","5","1") = "6"
    & skf18("7","5","6","7","1","6","1") = "6"
    & skf18("7","5","6","7","1","7","1") = "6"
    & skf18("7","5","6","7","1","8","1") = "7"
    & skf18("7","5","6","7","1","9","1") = "8"
    & skf18("7","5","6","7","1","10","1") = "9"
    & skf18("7","5","6","7","2","1","1") = "6"
    & skf18("7","5","6","7","2","2","1") = "6"
    & skf18("7","5","6","7","2","3","1") = "6"
    & skf18("7","5","6","7","2","4","1") = "6"
    & skf18("7","5","6","7","2","5","1") = "6"
    & skf18("7","5","6","7","2","6","1") = "6"
    & skf18("7","5","6","7","2","7","1") = "6"
    & skf18("7","5","6","7","2","8","1") = "7"
    & skf18("7","5","6","7","2","9","1") = "8"
    & skf18("7","5","6","7","2","10","1") = "9"
    & skf18("7","5","6","7","3","1","1") = "6"
    & skf18("7","5","6","7","3","2","1") = "6"
    & skf18("7","5","6","7","3","3","1") = "6"
    & skf18("7","5","6","7","3","4","1") = "6"
    & skf18("7","5","6","7","3","5","1") = "6"
    & skf18("7","5","6","7","3","6","1") = "6"
    & skf18("7","5","6","7","3","7","1") = "6"
    & skf18("7","5","6","7","3","8","1") = "7"
    & skf18("7","5","6","7","3","9","1") = "8"
    & skf18("7","5","6","7","3","10","1") = "9"
    & skf18("7","5","6","7","4","1","1") = "6"
    & skf18("7","5","6","7","4","2","1") = "6"
    & skf18("7","5","6","7","4","3","1") = "6"
    & skf18("7","5","6","7","4","4","1") = "6"
    & skf18("7","5","6","7","4","5","1") = "6"
    & skf18("7","5","6","7","4","6","1") = "6"
    & skf18("7","5","6","7","4","7","1") = "6"
    & skf18("7","5","6","7","4","8","1") = "7"
    & skf18("7","5","6","7","4","9","1") = "8"
    & skf18("7","5","6","7","4","10","1") = "9"
    & skf18("7","5","6","7","5","1","1") = "6"
    & skf18("7","5","6","7","5","2","1") = "6"
    & skf18("7","5","6","7","5","3","1") = "6"
    & skf18("7","5","6","7","5","4","1") = "6"
    & skf18("7","5","6","7","5","5","1") = "6"
    & skf18("7","5","6","7","5","6","1") = "6"
    & skf18("7","5","6","7","5","7","1") = "6"
    & skf18("7","5","6","7","5","8","1") = "7"
    & skf18("7","5","6","7","5","9","1") = "8"
    & skf18("7","5","6","7","5","10","1") = "9"
    & skf18("7","5","6","7","6","1","1") = "6"
    & skf18("7","5","6","7","6","2","1") = "6"
    & skf18("7","5","6","7","6","3","1") = "6"
    & skf18("7","5","6","7","6","4","1") = "6"
    & skf18("7","5","6","7","6","5","1") = "6"
    & skf18("7","5","6","7","6","6","1") = "6"
    & skf18("7","5","6","7","6","7","1") = "6"
    & skf18("7","5","6","7","6","8","1") = "7"
    & skf18("7","5","6","7","6","9","1") = "8"
    & skf18("7","5","6","7","6","10","1") = "9"
    & skf18("7","5","6","7","7","1","1") = "6"
    & skf18("7","5","6","7","7","2","1") = "6"
    & skf18("7","5","6","7","7","3","1") = "6"
    & skf18("7","5","6","7","7","4","1") = "6"
    & skf18("7","5","6","7","7","5","1") = "6"
    & skf18("7","5","6","7","7","6","1") = "6"
    & skf18("7","5","6","7","7","7","1") = "6"
    & skf18("7","5","6","7","7","8","1") = "7"
    & skf18("7","5","6","7","7","9","1") = "8"
    & skf18("7","5","6","7","7","10","1") = "9"
    & skf18("7","5","6","7","8","1","1") = "7"
    & skf18("7","5","6","7","8","2","1") = "7"
    & skf18("7","5","6","7","8","3","1") = "7"
    & skf18("7","5","6","7","8","4","1") = "7"
    & skf18("7","5","6","7","8","5","1") = "7"
    & skf18("7","5","6","7","8","6","1") = "7"
    & skf18("7","5","6","7","8","7","1") = "7"
    & skf18("7","5","6","7","8","8","1") = "7"
    & skf18("7","5","6","7","8","9","1") = "8"
    & skf18("7","5","6","7","8","10","1") = "9"
    & skf18("7","5","6","7","9","1","1") = "8"
    & skf18("7","5","6","7","9","2","1") = "8"
    & skf18("7","5","6","7","9","3","1") = "8"
    & skf18("7","5","6","7","9","4","1") = "8"
    & skf18("7","5","6","7","9","5","1") = "8"
    & skf18("7","5","6","7","9","6","1") = "8"
    & skf18("7","5","6","7","9","7","1") = "8"
    & skf18("7","5","6","7","9","8","1") = "8"
    & skf18("7","5","6","7","9","9","1") = "8"
    & skf18("7","5","6","7","9","10","1") = "9"
    & skf18("7","5","6","7","10","1","1") = "9"
    & skf18("7","5","6","7","10","2","1") = "9"
    & skf18("7","5","6","7","10","3","1") = "9"
    & skf18("7","5","6","7","10","4","1") = "9"
    & skf18("7","5","6","7","10","5","1") = "9"
    & skf18("7","5","6","7","10","6","1") = "9"
    & skf18("7","5","6","7","10","7","1") = "9"
    & skf18("7","5","6","7","10","8","1") = "9"
    & skf18("7","5","6","7","10","9","1") = "9"
    & skf18("7","5","6","7","10","10","1") = "9"
    & skf18("7","5","6","8","1","1","1") = "7"
    & skf18("7","5","6","8","1","2","1") = "7"
    & skf18("7","5","6","8","1","3","1") = "7"
    & skf18("7","5","6","8","1","4","1") = "7"
    & skf18("7","5","6","8","1","5","1") = "7"
    & skf18("7","5","6","8","1","6","1") = "7"
    & skf18("7","5","6","8","1","7","1") = "7"
    & skf18("7","5","6","8","1","8","1") = "7"
    & skf18("7","5","6","8","1","9","1") = "8"
    & skf18("7","5","6","8","1","10","1") = "9"
    & skf18("7","5","6","8","2","1","1") = "7"
    & skf18("7","5","6","8","2","2","1") = "7"
    & skf18("7","5","6","8","2","3","1") = "7"
    & skf18("7","5","6","8","2","4","1") = "7"
    & skf18("7","5","6","8","2","5","1") = "7"
    & skf18("7","5","6","8","2","6","1") = "7"
    & skf18("7","5","6","8","2","7","1") = "7"
    & skf18("7","5","6","8","2","8","1") = "7"
    & skf18("7","5","6","8","2","9","1") = "8"
    & skf18("7","5","6","8","2","10","1") = "9"
    & skf18("7","5","6","8","3","1","1") = "7"
    & skf18("7","5","6","8","3","2","1") = "7"
    & skf18("7","5","6","8","3","3","1") = "7"
    & skf18("7","5","6","8","3","4","1") = "7"
    & skf18("7","5","6","8","3","5","1") = "7"
    & skf18("7","5","6","8","3","6","1") = "7"
    & skf18("7","5","6","8","3","7","1") = "7"
    & skf18("7","5","6","8","3","8","1") = "7"
    & skf18("7","5","6","8","3","9","1") = "8"
    & skf18("7","5","6","8","3","10","1") = "9"
    & skf18("7","5","6","8","4","1","1") = "7"
    & skf18("7","5","6","8","4","2","1") = "7"
    & skf18("7","5","6","8","4","3","1") = "7"
    & skf18("7","5","6","8","4","4","1") = "7"
    & skf18("7","5","6","8","4","5","1") = "7"
    & skf18("7","5","6","8","4","6","1") = "7"
    & skf18("7","5","6","8","4","7","1") = "7"
    & skf18("7","5","6","8","4","8","1") = "7"
    & skf18("7","5","6","8","4","9","1") = "8"
    & skf18("7","5","6","8","4","10","1") = "9"
    & skf18("7","5","6","8","5","1","1") = "7"
    & skf18("7","5","6","8","5","2","1") = "7"
    & skf18("7","5","6","8","5","3","1") = "7"
    & skf18("7","5","6","8","5","4","1") = "7"
    & skf18("7","5","6","8","5","5","1") = "7"
    & skf18("7","5","6","8","5","6","1") = "7"
    & skf18("7","5","6","8","5","7","1") = "7"
    & skf18("7","5","6","8","5","8","1") = "7"
    & skf18("7","5","6","8","5","9","1") = "8"
    & skf18("7","5","6","8","5","10","1") = "9"
    & skf18("7","5","6","8","6","1","1") = "7"
    & skf18("7","5","6","8","6","2","1") = "7"
    & skf18("7","5","6","8","6","3","1") = "7"
    & skf18("7","5","6","8","6","4","1") = "7"
    & skf18("7","5","6","8","6","5","1") = "7"
    & skf18("7","5","6","8","6","6","1") = "7"
    & skf18("7","5","6","8","6","7","1") = "7"
    & skf18("7","5","6","8","6","8","1") = "7"
    & skf18("7","5","6","8","6","9","1") = "8"
    & skf18("7","5","6","8","6","10","1") = "9"
    & skf18("7","5","6","8","7","1","1") = "7"
    & skf18("7","5","6","8","7","2","1") = "7"
    & skf18("7","5","6","8","7","3","1") = "7"
    & skf18("7","5","6","8","7","4","1") = "7"
    & skf18("7","5","6","8","7","5","1") = "7"
    & skf18("7","5","6","8","7","6","1") = "7"
    & skf18("7","5","6","8","7","7","1") = "7"
    & skf18("7","5","6","8","7","8","1") = "7"
    & skf18("7","5","6","8","7","9","1") = "8"
    & skf18("7","5","6","8","7","10","1") = "9"
    & skf18("7","5","6","8","8","1","1") = "7"
    & skf18("7","5","6","8","8","2","1") = "7"
    & skf18("7","5","6","8","8","3","1") = "7"
    & skf18("7","5","6","8","8","4","1") = "7"
    & skf18("7","5","6","8","8","5","1") = "7"
    & skf18("7","5","6","8","8","6","1") = "7"
    & skf18("7","5","6","8","8","7","1") = "7"
    & skf18("7","5","6","8","8","8","1") = "7"
    & skf18("7","5","6","8","8","9","1") = "8"
    & skf18("7","5","6","8","8","10","1") = "9"
    & skf18("7","5","6","8","9","1","1") = "8"
    & skf18("7","5","6","8","9","2","1") = "8"
    & skf18("7","5","6","8","9","3","1") = "8"
    & skf18("7","5","6","8","9","4","1") = "8"
    & skf18("7","5","6","8","9","5","1") = "8"
    & skf18("7","5","6","8","9","6","1") = "8"
    & skf18("7","5","6","8","9","7","1") = "8"
    & skf18("7","5","6","8","9","8","1") = "8"
    & skf18("7","5","6","8","9","9","1") = "8"
    & skf18("7","5","6","8","9","10","1") = "9"
    & skf18("7","5","6","8","10","1","1") = "9"
    & skf18("7","5","6","8","10","2","1") = "9"
    & skf18("7","5","6","8","10","3","1") = "9"
    & skf18("7","5","6","8","10","4","1") = "9"
    & skf18("7","5","6","8","10","5","1") = "9"
    & skf18("7","5","6","8","10","6","1") = "9"
    & skf18("7","5","6","8","10","7","1") = "9"
    & skf18("7","5","6","8","10","8","1") = "9"
    & skf18("7","5","6","8","10","9","1") = "9"
    & skf18("7","5","6","8","10","10","1") = "9"
    & skf18("7","5","6","9","1","1","1") = "8"
    & skf18("7","5","6","9","1","2","1") = "8"
    & skf18("7","5","6","9","1","3","1") = "8"
    & skf18("7","5","6","9","1","4","1") = "8"
    & skf18("7","5","6","9","1","5","1") = "8"
    & skf18("7","5","6","9","1","6","1") = "8"
    & skf18("7","5","6","9","1","7","1") = "8"
    & skf18("7","5","6","9","1","8","1") = "8"
    & skf18("7","5","6","9","1","9","1") = "8"
    & skf18("7","5","6","9","1","10","1") = "9"
    & skf18("7","5","6","9","2","1","1") = "8"
    & skf18("7","5","6","9","2","2","1") = "8"
    & skf18("7","5","6","9","2","3","1") = "8"
    & skf18("7","5","6","9","2","4","1") = "8"
    & skf18("7","5","6","9","2","5","1") = "8"
    & skf18("7","5","6","9","2","6","1") = "8"
    & skf18("7","5","6","9","2","7","1") = "8"
    & skf18("7","5","6","9","2","8","1") = "8"
    & skf18("7","5","6","9","2","9","1") = "8"
    & skf18("7","5","6","9","2","10","1") = "9"
    & skf18("7","5","6","9","3","1","1") = "8"
    & skf18("7","5","6","9","3","2","1") = "8"
    & skf18("7","5","6","9","3","3","1") = "8"
    & skf18("7","5","6","9","3","4","1") = "8"
    & skf18("7","5","6","9","3","5","1") = "8"
    & skf18("7","5","6","9","3","6","1") = "8"
    & skf18("7","5","6","9","3","7","1") = "8"
    & skf18("7","5","6","9","3","8","1") = "8"
    & skf18("7","5","6","9","3","9","1") = "8"
    & skf18("7","5","6","9","3","10","1") = "9"
    & skf18("7","5","6","9","4","1","1") = "8"
    & skf18("7","5","6","9","4","2","1") = "8"
    & skf18("7","5","6","9","4","3","1") = "8"
    & skf18("7","5","6","9","4","4","1") = "8"
    & skf18("7","5","6","9","4","5","1") = "8"
    & skf18("7","5","6","9","4","6","1") = "8"
    & skf18("7","5","6","9","4","7","1") = "8"
    & skf18("7","5","6","9","4","8","1") = "8"
    & skf18("7","5","6","9","4","9","1") = "8"
    & skf18("7","5","6","9","4","10","1") = "9"
    & skf18("7","5","6","9","5","1","1") = "8"
    & skf18("7","5","6","9","5","2","1") = "8"
    & skf18("7","5","6","9","5","3","1") = "8"
    & skf18("7","5","6","9","5","4","1") = "8"
    & skf18("7","5","6","9","5","5","1") = "8"
    & skf18("7","5","6","9","5","6","1") = "8"
    & skf18("7","5","6","9","5","7","1") = "8"
    & skf18("7","5","6","9","5","8","1") = "8"
    & skf18("7","5","6","9","5","9","1") = "8"
    & skf18("7","5","6","9","5","10","1") = "9"
    & skf18("7","5","6","9","6","1","1") = "8"
    & skf18("7","5","6","9","6","2","1") = "8"
    & skf18("7","5","6","9","6","3","1") = "8"
    & skf18("7","5","6","9","6","4","1") = "8"
    & skf18("7","5","6","9","6","5","1") = "8"
    & skf18("7","5","6","9","6","6","1") = "8"
    & skf18("7","5","6","9","6","7","1") = "8"
    & skf18("7","5","6","9","6","8","1") = "8"
    & skf18("7","5","6","9","6","9","1") = "8"
    & skf18("7","5","6","9","6","10","1") = "9"
    & skf18("7","5","6","9","7","1","1") = "8"
    & skf18("7","5","6","9","7","2","1") = "8"
    & skf18("7","5","6","9","7","3","1") = "8"
    & skf18("7","5","6","9","7","4","1") = "8"
    & skf18("7","5","6","9","7","5","1") = "8"
    & skf18("7","5","6","9","7","6","1") = "8"
    & skf18("7","5","6","9","7","7","1") = "8"
    & skf18("7","5","6","9","7","8","1") = "8"
    & skf18("7","5","6","9","7","9","1") = "8"
    & skf18("7","5","6","9","7","10","1") = "9"
    & skf18("7","5","6","9","8","1","1") = "8"
    & skf18("7","5","6","9","8","2","1") = "8"
    & skf18("7","5","6","9","8","3","1") = "8"
    & skf18("7","5","6","9","8","4","1") = "8"
    & skf18("7","5","6","9","8","5","1") = "8"
    & skf18("7","5","6","9","8","6","1") = "8"
    & skf18("7","5","6","9","8","7","1") = "8"
    & skf18("7","5","6","9","8","8","1") = "8"
    & skf18("7","5","6","9","8","9","1") = "8"
    & skf18("7","5","6","9","8","10","1") = "9"
    & skf18("7","5","6","9","9","1","1") = "8"
    & skf18("7","5","6","9","9","2","1") = "8"
    & skf18("7","5","6","9","9","3","1") = "8"
    & skf18("7","5","6","9","9","4","1") = "8"
    & skf18("7","5","6","9","9","5","1") = "8"
    & skf18("7","5","6","9","9","6","1") = "8"
    & skf18("7","5","6","9","9","7","1") = "8"
    & skf18("7","5","6","9","9","8","1") = "8"
    & skf18("7","5","6","9","9","9","1") = "8"
    & skf18("7","5","6","9","9","10","1") = "9"
    & skf18("7","5","6","9","10","1","1") = "9"
    & skf18("7","5","6","9","10","2","1") = "9"
    & skf18("7","5","6","9","10","3","1") = "9"
    & skf18("7","5","6","9","10","4","1") = "9"
    & skf18("7","5","6","9","10","5","1") = "9"
    & skf18("7","5","6","9","10","6","1") = "9"
    & skf18("7","5","6","9","10","7","1") = "9"
    & skf18("7","5","6","9","10","8","1") = "9"
    & skf18("7","5","6","9","10","9","1") = "9"
    & skf18("7","5","6","9","10","10","1") = "9"
    & skf18("7","5","6","10","1","1","1") = "9"
    & skf18("7","5","6","10","1","2","1") = "9"
    & skf18("7","5","6","10","1","3","1") = "9"
    & skf18("7","5","6","10","1","4","1") = "9"
    & skf18("7","5","6","10","1","5","1") = "9"
    & skf18("7","5","6","10","1","6","1") = "9"
    & skf18("7","5","6","10","1","7","1") = "9"
    & skf18("7","5","6","10","1","8","1") = "9"
    & skf18("7","5","6","10","1","9","1") = "9"
    & skf18("7","5","6","10","1","10","1") = "9"
    & skf18("7","5","6","10","2","1","1") = "9"
    & skf18("7","5","6","10","2","2","1") = "9"
    & skf18("7","5","6","10","2","3","1") = "9"
    & skf18("7","5","6","10","2","4","1") = "9"
    & skf18("7","5","6","10","2","5","1") = "9"
    & skf18("7","5","6","10","2","6","1") = "9"
    & skf18("7","5","6","10","2","7","1") = "9"
    & skf18("7","5","6","10","2","8","1") = "9"
    & skf18("7","5","6","10","2","9","1") = "9"
    & skf18("7","5","6","10","2","10","1") = "9"
    & skf18("7","5","6","10","3","1","1") = "9"
    & skf18("7","5","6","10","3","2","1") = "9"
    & skf18("7","5","6","10","3","3","1") = "9"
    & skf18("7","5","6","10","3","4","1") = "9"
    & skf18("7","5","6","10","3","5","1") = "9"
    & skf18("7","5","6","10","3","6","1") = "9"
    & skf18("7","5","6","10","3","7","1") = "9"
    & skf18("7","5","6","10","3","8","1") = "9"
    & skf18("7","5","6","10","3","9","1") = "9"
    & skf18("7","5","6","10","3","10","1") = "9"
    & skf18("7","5","6","10","4","1","1") = "9"
    & skf18("7","5","6","10","4","2","1") = "9"
    & skf18("7","5","6","10","4","3","1") = "9"
    & skf18("7","5","6","10","4","4","1") = "9"
    & skf18("7","5","6","10","4","5","1") = "9"
    & skf18("7","5","6","10","4","6","1") = "9"
    & skf18("7","5","6","10","4","7","1") = "9"
    & skf18("7","5","6","10","4","8","1") = "9"
    & skf18("7","5","6","10","4","9","1") = "9"
    & skf18("7","5","6","10","4","10","1") = "9"
    & skf18("7","5","6","10","5","1","1") = "9"
    & skf18("7","5","6","10","5","2","1") = "9"
    & skf18("7","5","6","10","5","3","1") = "9"
    & skf18("7","5","6","10","5","4","1") = "9"
    & skf18("7","5","6","10","5","5","1") = "9"
    & skf18("7","5","6","10","5","6","1") = "9"
    & skf18("7","5","6","10","5","7","1") = "9"
    & skf18("7","5","6","10","5","8","1") = "9"
    & skf18("7","5","6","10","5","9","1") = "9"
    & skf18("7","5","6","10","5","10","1") = "9"
    & skf18("7","5","6","10","6","1","1") = "9"
    & skf18("7","5","6","10","6","2","1") = "9"
    & skf18("7","5","6","10","6","3","1") = "9"
    & skf18("7","5","6","10","6","4","1") = "9"
    & skf18("7","5","6","10","6","5","1") = "9"
    & skf18("7","5","6","10","6","6","1") = "9"
    & skf18("7","5","6","10","6","7","1") = "9"
    & skf18("7","5","6","10","6","8","1") = "9"
    & skf18("7","5","6","10","6","9","1") = "9"
    & skf18("7","5","6","10","6","10","1") = "9"
    & skf18("7","5","6","10","7","1","1") = "9"
    & skf18("7","5","6","10","7","2","1") = "9"
    & skf18("7","5","6","10","7","3","1") = "9"
    & skf18("7","5","6","10","7","4","1") = "9"
    & skf18("7","5","6","10","7","5","1") = "9"
    & skf18("7","5","6","10","7","6","1") = "9"
    & skf18("7","5","6","10","7","7","1") = "9"
    & skf18("7","5","6","10","7","8","1") = "9"
    & skf18("7","5","6","10","7","9","1") = "9"
    & skf18("7","5","6","10","7","10","1") = "9"
    & skf18("7","5","6","10","8","1","1") = "9"
    & skf18("7","5","6","10","8","2","1") = "9"
    & skf18("7","5","6","10","8","3","1") = "9"
    & skf18("7","5","6","10","8","4","1") = "9"
    & skf18("7","5","6","10","8","5","1") = "9"
    & skf18("7","5","6","10","8","6","1") = "9"
    & skf18("7","5","6","10","8","7","1") = "9"
    & skf18("7","5","6","10","8","8","1") = "9"
    & skf18("7","5","6","10","8","9","1") = "9"
    & skf18("7","5","6","10","8","10","1") = "9"
    & skf18("7","5","6","10","9","1","1") = "9"
    & skf18("7","5","6","10","9","2","1") = "9"
    & skf18("7","5","6","10","9","3","1") = "9"
    & skf18("7","5","6","10","9","4","1") = "9"
    & skf18("7","5","6","10","9","5","1") = "9"
    & skf18("7","5","6","10","9","6","1") = "9"
    & skf18("7","5","6","10","9","7","1") = "9"
    & skf18("7","5","6","10","9","8","1") = "9"
    & skf18("7","5","6","10","9","9","1") = "9"
    & skf18("7","5","6","10","9","10","1") = "9"
    & skf18("7","5","6","10","10","1","1") = "9"
    & skf18("7","5","6","10","10","2","1") = "9"
    & skf18("7","5","6","10","10","3","1") = "9"
    & skf18("7","5","6","10","10","4","1") = "9"
    & skf18("7","5","6","10","10","5","1") = "9"
    & skf18("7","5","6","10","10","6","1") = "9"
    & skf18("7","5","6","10","10","7","1") = "9"
    & skf18("7","5","6","10","10","8","1") = "9"
    & skf18("7","5","6","10","10","9","1") = "9"
    & skf18("7","5","6","10","10","10","1") = "9"
    & skf18("7","5","7","1","1","1","1") = "6"
    & skf18("7","5","7","1","1","2","1") = "6"
    & skf18("7","5","7","1","1","3","1") = "6"
    & skf18("7","5","7","1","1","4","1") = "6"
    & skf18("7","5","7","1","1","5","1") = "6"
    & skf18("7","5","7","1","1","6","1") = "6"
    & skf18("7","5","7","1","1","7","1") = "6"
    & skf18("7","5","7","1","1","8","1") = "7"
    & skf18("7","5","7","1","1","9","1") = "8"
    & skf18("7","5","7","1","1","10","1") = "9"
    & skf18("7","5","7","1","2","1","1") = "6"
    & skf18("7","5","7","1","2","2","1") = "6"
    & skf18("7","5","7","1","2","3","1") = "6"
    & skf18("7","5","7","1","2","4","1") = "6"
    & skf18("7","5","7","1","2","5","1") = "6"
    & skf18("7","5","7","1","2","6","1") = "6"
    & skf18("7","5","7","1","2","7","1") = "6"
    & skf18("7","5","7","1","2","8","1") = "7"
    & skf18("7","5","7","1","2","9","1") = "8"
    & skf18("7","5","7","1","2","10","1") = "9"
    & skf18("7","5","7","1","3","1","1") = "6"
    & skf18("7","5","7","1","3","2","1") = "6"
    & skf18("7","5","7","1","3","3","1") = "6"
    & skf18("7","5","7","1","3","4","1") = "6"
    & skf18("7","5","7","1","3","5","1") = "6"
    & skf18("7","5","7","1","3","6","1") = "6"
    & skf18("7","5","7","1","3","7","1") = "6"
    & skf18("7","5","7","1","3","8","1") = "7"
    & skf18("7","5","7","1","3","9","1") = "8"
    & skf18("7","5","7","1","3","10","1") = "9"
    & skf18("7","5","7","1","4","1","1") = "6"
    & skf18("7","5","7","1","4","2","1") = "6"
    & skf18("7","5","7","1","4","3","1") = "6"
    & skf18("7","5","7","1","4","4","1") = "6"
    & skf18("7","5","7","1","4","5","1") = "6"
    & skf18("7","5","7","1","4","6","1") = "6"
    & skf18("7","5","7","1","4","7","1") = "6"
    & skf18("7","5","7","1","4","8","1") = "7"
    & skf18("7","5","7","1","4","9","1") = "8"
    & skf18("7","5","7","1","4","10","1") = "9"
    & skf18("7","5","7","1","5","1","1") = "6"
    & skf18("7","5","7","1","5","2","1") = "6"
    & skf18("7","5","7","1","5","3","1") = "6"
    & skf18("7","5","7","1","5","4","1") = "6"
    & skf18("7","5","7","1","5","5","1") = "6"
    & skf18("7","5","7","1","5","6","1") = "6"
    & skf18("7","5","7","1","5","7","1") = "6"
    & skf18("7","5","7","1","5","8","1") = "7"
    & skf18("7","5","7","1","5","9","1") = "8"
    & skf18("7","5","7","1","5","10","1") = "9"
    & skf18("7","5","7","1","6","1","1") = "6"
    & skf18("7","5","7","1","6","2","1") = "6"
    & skf18("7","5","7","1","6","3","1") = "6"
    & skf18("7","5","7","1","6","4","1") = "6"
    & skf18("7","5","7","1","6","5","1") = "6"
    & skf18("7","5","7","1","6","6","1") = "6"
    & skf18("7","5","7","1","6","7","1") = "6"
    & skf18("7","5","7","1","6","8","1") = "7"
    & skf18("7","5","7","1","6","9","1") = "8"
    & skf18("7","5","7","1","6","10","1") = "9"
    & skf18("7","5","7","1","7","1","1") = "6"
    & skf18("7","5","7","1","7","2","1") = "6"
    & skf18("7","5","7","1","7","3","1") = "6"
    & skf18("7","5","7","1","7","4","1") = "6"
    & skf18("7","5","7","1","7","5","1") = "6"
    & skf18("7","5","7","1","7","6","1") = "6"
    & skf18("7","5","7","1","7","7","1") = "6"
    & skf18("7","5","7","1","7","8","1") = "7"
    & skf18("7","5","7","1","7","9","1") = "8"
    & skf18("7","5","7","1","7","10","1") = "9"
    & skf18("7","5","7","1","8","1","1") = "7"
    & skf18("7","5","7","1","8","2","1") = "7"
    & skf18("7","5","7","1","8","3","1") = "7"
    & skf18("7","5","7","1","8","4","1") = "7"
    & skf18("7","5","7","1","8","5","1") = "7"
    & skf18("7","5","7","1","8","6","1") = "7"
    & skf18("7","5","7","1","8","7","1") = "7"
    & skf18("7","5","7","1","8","8","1") = "7"
    & skf18("7","5","7","1","8","9","1") = "8"
    & skf18("7","5","7","1","8","10","1") = "9"
    & skf18("7","5","7","1","9","1","1") = "8"
    & skf18("7","5","7","1","9","2","1") = "8"
    & skf18("7","5","7","1","9","3","1") = "8"
    & skf18("7","5","7","1","9","4","1") = "8"
    & skf18("7","5","7","1","9","5","1") = "8"
    & skf18("7","5","7","1","9","6","1") = "8"
    & skf18("7","5","7","1","9","7","1") = "8"
    & skf18("7","5","7","1","9","8","1") = "8"
    & skf18("7","5","7","1","9","9","1") = "8"
    & skf18("7","5","7","1","9","10","1") = "9"
    & skf18("7","5","7","1","10","1","1") = "9"
    & skf18("7","5","7","1","10","2","1") = "9"
    & skf18("7","5","7","1","10","3","1") = "9"
    & skf18("7","5","7","1","10","4","1") = "9"
    & skf18("7","5","7","1","10","5","1") = "9"
    & skf18("7","5","7","1","10","6","1") = "9"
    & skf18("7","5","7","1","10","7","1") = "9"
    & skf18("7","5","7","1","10","8","1") = "9"
    & skf18("7","5","7","1","10","9","1") = "9"
    & skf18("7","5","7","1","10","10","1") = "9"
    & skf18("7","5","7","2","1","1","1") = "6"
    & skf18("7","5","7","2","1","2","1") = "6"
    & skf18("7","5","7","2","1","3","1") = "6"
    & skf18("7","5","7","2","1","4","1") = "6"
    & skf18("7","5","7","2","1","5","1") = "6"
    & skf18("7","5","7","2","1","6","1") = "6"
    & skf18("7","5","7","2","1","7","1") = "6"
    & skf18("7","5","7","2","1","8","1") = "7"
    & skf18("7","5","7","2","1","9","1") = "8"
    & skf18("7","5","7","2","1","10","1") = "9"
    & skf18("7","5","7","2","2","1","1") = "6"
    & skf18("7","5","7","2","2","2","1") = "6"
    & skf18("7","5","7","2","2","3","1") = "6"
    & skf18("7","5","7","2","2","4","1") = "6"
    & skf18("7","5","7","2","2","5","1") = "6"
    & skf18("7","5","7","2","2","6","1") = "6"
    & skf18("7","5","7","2","2","7","1") = "6"
    & skf18("7","5","7","2","2","8","1") = "7"
    & skf18("7","5","7","2","2","9","1") = "8"
    & skf18("7","5","7","2","2","10","1") = "9"
    & skf18("7","5","7","2","3","1","1") = "6"
    & skf18("7","5","7","2","3","2","1") = "6"
    & skf18("7","5","7","2","3","3","1") = "6"
    & skf18("7","5","7","2","3","4","1") = "6"
    & skf18("7","5","7","2","3","5","1") = "6"
    & skf18("7","5","7","2","3","6","1") = "6"
    & skf18("7","5","7","2","3","7","1") = "6"
    & skf18("7","5","7","2","3","8","1") = "7"
    & skf18("7","5","7","2","3","9","1") = "8"
    & skf18("7","5","7","2","3","10","1") = "9"
    & skf18("7","5","7","2","4","1","1") = "6"
    & skf18("7","5","7","2","4","2","1") = "6"
    & skf18("7","5","7","2","4","3","1") = "6"
    & skf18("7","5","7","2","4","4","1") = "6"
    & skf18("7","5","7","2","4","5","1") = "6"
    & skf18("7","5","7","2","4","6","1") = "6"
    & skf18("7","5","7","2","4","7","1") = "6"
    & skf18("7","5","7","2","4","8","1") = "7"
    & skf18("7","5","7","2","4","9","1") = "8"
    & skf18("7","5","7","2","4","10","1") = "9"
    & skf18("7","5","7","2","5","1","1") = "6"
    & skf18("7","5","7","2","5","2","1") = "6"
    & skf18("7","5","7","2","5","3","1") = "6"
    & skf18("7","5","7","2","5","4","1") = "6"
    & skf18("7","5","7","2","5","5","1") = "6"
    & skf18("7","5","7","2","5","6","1") = "6"
    & skf18("7","5","7","2","5","7","1") = "6"
    & skf18("7","5","7","2","5","8","1") = "7"
    & skf18("7","5","7","2","5","9","1") = "8"
    & skf18("7","5","7","2","5","10","1") = "9"
    & skf18("7","5","7","2","6","1","1") = "6"
    & skf18("7","5","7","2","6","2","1") = "6"
    & skf18("7","5","7","2","6","3","1") = "6"
    & skf18("7","5","7","2","6","4","1") = "6"
    & skf18("7","5","7","2","6","5","1") = "6"
    & skf18("7","5","7","2","6","6","1") = "6"
    & skf18("7","5","7","2","6","7","1") = "6"
    & skf18("7","5","7","2","6","8","1") = "7"
    & skf18("7","5","7","2","6","9","1") = "8"
    & skf18("7","5","7","2","6","10","1") = "9"
    & skf18("7","5","7","2","7","1","1") = "6"
    & skf18("7","5","7","2","7","2","1") = "6"
    & skf18("7","5","7","2","7","3","1") = "6"
    & skf18("7","5","7","2","7","4","1") = "6"
    & skf18("7","5","7","2","7","5","1") = "6"
    & skf18("7","5","7","2","7","6","1") = "6"
    & skf18("7","5","7","2","7","7","1") = "6"
    & skf18("7","5","7","2","7","8","1") = "7"
    & skf18("7","5","7","2","7","9","1") = "8"
    & skf18("7","5","7","2","7","10","1") = "9"
    & skf18("7","5","7","2","8","1","1") = "7"
    & skf18("7","5","7","2","8","2","1") = "7"
    & skf18("7","5","7","2","8","3","1") = "7"
    & skf18("7","5","7","2","8","4","1") = "7"
    & skf18("7","5","7","2","8","5","1") = "7"
    & skf18("7","5","7","2","8","6","1") = "7"
    & skf18("7","5","7","2","8","7","1") = "7"
    & skf18("7","5","7","2","8","8","1") = "7"
    & skf18("7","5","7","2","8","9","1") = "8"
    & skf18("7","5","7","2","8","10","1") = "9"
    & skf18("7","5","7","2","9","1","1") = "8"
    & skf18("7","5","7","2","9","2","1") = "8"
    & skf18("7","5","7","2","9","3","1") = "8"
    & skf18("7","5","7","2","9","4","1") = "8"
    & skf18("7","5","7","2","9","5","1") = "8"
    & skf18("7","5","7","2","9","6","1") = "8"
    & skf18("7","5","7","2","9","7","1") = "8"
    & skf18("7","5","7","2","9","8","1") = "8"
    & skf18("7","5","7","2","9","9","1") = "8"
    & skf18("7","5","7","2","9","10","1") = "9"
    & skf18("7","5","7","2","10","1","1") = "9"
    & skf18("7","5","7","2","10","2","1") = "9"
    & skf18("7","5","7","2","10","3","1") = "9"
    & skf18("7","5","7","2","10","4","1") = "9"
    & skf18("7","5","7","2","10","5","1") = "9"
    & skf18("7","5","7","2","10","6","1") = "9"
    & skf18("7","5","7","2","10","7","1") = "9"
    & skf18("7","5","7","2","10","8","1") = "9"
    & skf18("7","5","7","2","10","9","1") = "9"
    & skf18("7","5","7","2","10","10","1") = "9"
    & skf18("7","5","7","3","1","1","1") = "6"
    & skf18("7","5","7","3","1","2","1") = "6"
    & skf18("7","5","7","3","1","3","1") = "6"
    & skf18("7","5","7","3","1","4","1") = "6"
    & skf18("7","5","7","3","1","5","1") = "6"
    & skf18("7","5","7","3","1","6","1") = "6"
    & skf18("7","5","7","3","1","7","1") = "6"
    & skf18("7","5","7","3","1","8","1") = "7"
    & skf18("7","5","7","3","1","9","1") = "8"
    & skf18("7","5","7","3","1","10","1") = "9"
    & skf18("7","5","7","3","2","1","1") = "6"
    & skf18("7","5","7","3","2","2","1") = "6"
    & skf18("7","5","7","3","2","3","1") = "6"
    & skf18("7","5","7","3","2","4","1") = "6"
    & skf18("7","5","7","3","2","5","1") = "6"
    & skf18("7","5","7","3","2","6","1") = "6"
    & skf18("7","5","7","3","2","7","1") = "6"
    & skf18("7","5","7","3","2","8","1") = "7"
    & skf18("7","5","7","3","2","9","1") = "8"
    & skf18("7","5","7","3","2","10","1") = "9"
    & skf18("7","5","7","3","3","1","1") = "6"
    & skf18("7","5","7","3","3","2","1") = "6"
    & skf18("7","5","7","3","3","3","1") = "6"
    & skf18("7","5","7","3","3","4","1") = "6"
    & skf18("7","5","7","3","3","5","1") = "6"
    & skf18("7","5","7","3","3","6","1") = "6"
    & skf18("7","5","7","3","3","7","1") = "6"
    & skf18("7","5","7","3","3","8","1") = "7"
    & skf18("7","5","7","3","3","9","1") = "8"
    & skf18("7","5","7","3","3","10","1") = "9"
    & skf18("7","5","7","3","4","1","1") = "6"
    & skf18("7","5","7","3","4","2","1") = "6"
    & skf18("7","5","7","3","4","3","1") = "6"
    & skf18("7","5","7","3","4","4","1") = "6"
    & skf18("7","5","7","3","4","5","1") = "6"
    & skf18("7","5","7","3","4","6","1") = "6"
    & skf18("7","5","7","3","4","7","1") = "6"
    & skf18("7","5","7","3","4","8","1") = "7"
    & skf18("7","5","7","3","4","9","1") = "8"
    & skf18("7","5","7","3","4","10","1") = "9"
    & skf18("7","5","7","3","5","1","1") = "6"
    & skf18("7","5","7","3","5","2","1") = "6"
    & skf18("7","5","7","3","5","3","1") = "6"
    & skf18("7","5","7","3","5","4","1") = "6"
    & skf18("7","5","7","3","5","5","1") = "6"
    & skf18("7","5","7","3","5","6","1") = "6"
    & skf18("7","5","7","3","5","7","1") = "6"
    & skf18("7","5","7","3","5","8","1") = "7"
    & skf18("7","5","7","3","5","9","1") = "8"
    & skf18("7","5","7","3","5","10","1") = "9"
    & skf18("7","5","7","3","6","1","1") = "6"
    & skf18("7","5","7","3","6","2","1") = "6"
    & skf18("7","5","7","3","6","3","1") = "6"
    & skf18("7","5","7","3","6","4","1") = "6"
    & skf18("7","5","7","3","6","5","1") = "6"
    & skf18("7","5","7","3","6","6","1") = "6"
    & skf18("7","5","7","3","6","7","1") = "6"
    & skf18("7","5","7","3","6","8","1") = "7"
    & skf18("7","5","7","3","6","9","1") = "8"
    & skf18("7","5","7","3","6","10","1") = "9"
    & skf18("7","5","7","3","7","1","1") = "6"
    & skf18("7","5","7","3","7","2","1") = "6"
    & skf18("7","5","7","3","7","3","1") = "6"
    & skf18("7","5","7","3","7","4","1") = "6"
    & skf18("7","5","7","3","7","5","1") = "6"
    & skf18("7","5","7","3","7","6","1") = "6"
    & skf18("7","5","7","3","7","7","1") = "6"
    & skf18("7","5","7","3","7","8","1") = "7"
    & skf18("7","5","7","3","7","9","1") = "8"
    & skf18("7","5","7","3","7","10","1") = "9"
    & skf18("7","5","7","3","8","1","1") = "7"
    & skf18("7","5","7","3","8","2","1") = "7"
    & skf18("7","5","7","3","8","3","1") = "7"
    & skf18("7","5","7","3","8","4","1") = "7"
    & skf18("7","5","7","3","8","5","1") = "7"
    & skf18("7","5","7","3","8","6","1") = "7"
    & skf18("7","5","7","3","8","7","1") = "7"
    & skf18("7","5","7","3","8","8","1") = "7"
    & skf18("7","5","7","3","8","9","1") = "8"
    & skf18("7","5","7","3","8","10","1") = "9"
    & skf18("7","5","7","3","9","1","1") = "8"
    & skf18("7","5","7","3","9","2","1") = "8"
    & skf18("7","5","7","3","9","3","1") = "8"
    & skf18("7","5","7","3","9","4","1") = "8"
    & skf18("7","5","7","3","9","5","1") = "8"
    & skf18("7","5","7","3","9","6","1") = "8"
    & skf18("7","5","7","3","9","7","1") = "8"
    & skf18("7","5","7","3","9","8","1") = "8"
    & skf18("7","5","7","3","9","9","1") = "8"
    & skf18("7","5","7","3","9","10","1") = "9"
    & skf18("7","5","7","3","10","1","1") = "9"
    & skf18("7","5","7","3","10","2","1") = "9"
    & skf18("7","5","7","3","10","3","1") = "9"
    & skf18("7","5","7","3","10","4","1") = "9"
    & skf18("7","5","7","3","10","5","1") = "9"
    & skf18("7","5","7","3","10","6","1") = "9"
    & skf18("7","5","7","3","10","7","1") = "9"
    & skf18("7","5","7","3","10","8","1") = "9"
    & skf18("7","5","7","3","10","9","1") = "9"
    & skf18("7","5","7","3","10","10","1") = "9"
    & skf18("7","5","7","4","1","1","1") = "6"
    & skf18("7","5","7","4","1","2","1") = "6"
    & skf18("7","5","7","4","1","3","1") = "6"
    & skf18("7","5","7","4","1","4","1") = "6"
    & skf18("7","5","7","4","1","5","1") = "6"
    & skf18("7","5","7","4","1","6","1") = "6"
    & skf18("7","5","7","4","1","7","1") = "6"
    & skf18("7","5","7","4","1","8","1") = "7"
    & skf18("7","5","7","4","1","9","1") = "8"
    & skf18("7","5","7","4","1","10","1") = "9"
    & skf18("7","5","7","4","2","1","1") = "6"
    & skf18("7","5","7","4","2","2","1") = "6"
    & skf18("7","5","7","4","2","3","1") = "6"
    & skf18("7","5","7","4","2","4","1") = "6"
    & skf18("7","5","7","4","2","5","1") = "6"
    & skf18("7","5","7","4","2","6","1") = "6"
    & skf18("7","5","7","4","2","7","1") = "6"
    & skf18("7","5","7","4","2","8","1") = "7"
    & skf18("7","5","7","4","2","9","1") = "8"
    & skf18("7","5","7","4","2","10","1") = "9"
    & skf18("7","5","7","4","3","1","1") = "6"
    & skf18("7","5","7","4","3","2","1") = "6"
    & skf18("7","5","7","4","3","3","1") = "6"
    & skf18("7","5","7","4","3","4","1") = "6"
    & skf18("7","5","7","4","3","5","1") = "6"
    & skf18("7","5","7","4","3","6","1") = "6"
    & skf18("7","5","7","4","3","7","1") = "6"
    & skf18("7","5","7","4","3","8","1") = "7"
    & skf18("7","5","7","4","3","9","1") = "8"
    & skf18("7","5","7","4","3","10","1") = "9"
    & skf18("7","5","7","4","4","1","1") = "6"
    & skf18("7","5","7","4","4","2","1") = "6"
    & skf18("7","5","7","4","4","3","1") = "6"
    & skf18("7","5","7","4","4","4","1") = "6"
    & skf18("7","5","7","4","4","5","1") = "6"
    & skf18("7","5","7","4","4","6","1") = "6"
    & skf18("7","5","7","4","4","7","1") = "6"
    & skf18("7","5","7","4","4","8","1") = "7"
    & skf18("7","5","7","4","4","9","1") = "8"
    & skf18("7","5","7","4","4","10","1") = "9"
    & skf18("7","5","7","4","5","1","1") = "6"
    & skf18("7","5","7","4","5","2","1") = "6"
    & skf18("7","5","7","4","5","3","1") = "6"
    & skf18("7","5","7","4","5","4","1") = "6"
    & skf18("7","5","7","4","5","5","1") = "6"
    & skf18("7","5","7","4","5","6","1") = "6"
    & skf18("7","5","7","4","5","7","1") = "6"
    & skf18("7","5","7","4","5","8","1") = "7"
    & skf18("7","5","7","4","5","9","1") = "8"
    & skf18("7","5","7","4","5","10","1") = "9"
    & skf18("7","5","7","4","6","1","1") = "6"
    & skf18("7","5","7","4","6","2","1") = "6"
    & skf18("7","5","7","4","6","3","1") = "6"
    & skf18("7","5","7","4","6","4","1") = "6"
    & skf18("7","5","7","4","6","5","1") = "6"
    & skf18("7","5","7","4","6","6","1") = "6"
    & skf18("7","5","7","4","6","7","1") = "6"
    & skf18("7","5","7","4","6","8","1") = "7"
    & skf18("7","5","7","4","6","9","1") = "8"
    & skf18("7","5","7","4","6","10","1") = "9"
    & skf18("7","5","7","4","7","1","1") = "6"
    & skf18("7","5","7","4","7","2","1") = "6"
    & skf18("7","5","7","4","7","3","1") = "6"
    & skf18("7","5","7","4","7","4","1") = "6"
    & skf18("7","5","7","4","7","5","1") = "6"
    & skf18("7","5","7","4","7","6","1") = "6"
    & skf18("7","5","7","4","7","7","1") = "6"
    & skf18("7","5","7","4","7","8","1") = "7"
    & skf18("7","5","7","4","7","9","1") = "8"
    & skf18("7","5","7","4","7","10","1") = "9"
    & skf18("7","5","7","4","8","1","1") = "7"
    & skf18("7","5","7","4","8","2","1") = "7"
    & skf18("7","5","7","4","8","3","1") = "7"
    & skf18("7","5","7","4","8","4","1") = "7"
    & skf18("7","5","7","4","8","5","1") = "7"
    & skf18("7","5","7","4","8","6","1") = "7"
    & skf18("7","5","7","4","8","7","1") = "7"
    & skf18("7","5","7","4","8","8","1") = "7"
    & skf18("7","5","7","4","8","9","1") = "8"
    & skf18("7","5","7","4","8","10","1") = "9"
    & skf18("7","5","7","4","9","1","1") = "8"
    & skf18("7","5","7","4","9","2","1") = "8"
    & skf18("7","5","7","4","9","3","1") = "8"
    & skf18("7","5","7","4","9","4","1") = "8"
    & skf18("7","5","7","4","9","5","1") = "8"
    & skf18("7","5","7","4","9","6","1") = "8"
    & skf18("7","5","7","4","9","7","1") = "8"
    & skf18("7","5","7","4","9","8","1") = "8"
    & skf18("7","5","7","4","9","9","1") = "8"
    & skf18("7","5","7","4","9","10","1") = "9"
    & skf18("7","5","7","4","10","1","1") = "9"
    & skf18("7","5","7","4","10","2","1") = "9"
    & skf18("7","5","7","4","10","3","1") = "9"
    & skf18("7","5","7","4","10","4","1") = "9"
    & skf18("7","5","7","4","10","5","1") = "9"
    & skf18("7","5","7","4","10","6","1") = "9"
    & skf18("7","5","7","4","10","7","1") = "9"
    & skf18("7","5","7","4","10","8","1") = "9"
    & skf18("7","5","7","4","10","9","1") = "9"
    & skf18("7","5","7","4","10","10","1") = "9"
    & skf18("7","5","7","5","1","1","1") = "6"
    & skf18("7","5","7","5","1","2","1") = "6"
    & skf18("7","5","7","5","1","3","1") = "6"
    & skf18("7","5","7","5","1","4","1") = "6"
    & skf18("7","5","7","5","1","5","1") = "6"
    & skf18("7","5","7","5","1","6","1") = "6"
    & skf18("7","5","7","5","1","7","1") = "6"
    & skf18("7","5","7","5","1","8","1") = "7"
    & skf18("7","5","7","5","1","9","1") = "8"
    & skf18("7","5","7","5","1","10","1") = "9"
    & skf18("7","5","7","5","2","1","1") = "6"
    & skf18("7","5","7","5","2","2","1") = "6"
    & skf18("7","5","7","5","2","3","1") = "6"
    & skf18("7","5","7","5","2","4","1") = "6"
    & skf18("7","5","7","5","2","5","1") = "6"
    & skf18("7","5","7","5","2","6","1") = "6"
    & skf18("7","5","7","5","2","7","1") = "6"
    & skf18("7","5","7","5","2","8","1") = "7"
    & skf18("7","5","7","5","2","9","1") = "8"
    & skf18("7","5","7","5","2","10","1") = "9"
    & skf18("7","5","7","5","3","1","1") = "6"
    & skf18("7","5","7","5","3","2","1") = "6"
    & skf18("7","5","7","5","3","3","1") = "6"
    & skf18("7","5","7","5","3","4","1") = "6"
    & skf18("7","5","7","5","3","5","1") = "6"
    & skf18("7","5","7","5","3","6","1") = "6"
    & skf18("7","5","7","5","3","7","1") = "6"
    & skf18("7","5","7","5","3","8","1") = "7"
    & skf18("7","5","7","5","3","9","1") = "8"
    & skf18("7","5","7","5","3","10","1") = "9"
    & skf18("7","5","7","5","4","1","1") = "6"
    & skf18("7","5","7","5","4","2","1") = "6"
    & skf18("7","5","7","5","4","3","1") = "6"
    & skf18("7","5","7","5","4","4","1") = "6"
    & skf18("7","5","7","5","4","5","1") = "6"
    & skf18("7","5","7","5","4","6","1") = "6"
    & skf18("7","5","7","5","4","7","1") = "6"
    & skf18("7","5","7","5","4","8","1") = "7"
    & skf18("7","5","7","5","4","9","1") = "8"
    & skf18("7","5","7","5","4","10","1") = "9"
    & skf18("7","5","7","5","5","1","1") = "6"
    & skf18("7","5","7","5","5","2","1") = "6"
    & skf18("7","5","7","5","5","3","1") = "6"
    & skf18("7","5","7","5","5","4","1") = "6"
    & skf18("7","5","7","5","5","5","1") = "6"
    & skf18("7","5","7","5","5","6","1") = "6"
    & skf18("7","5","7","5","5","7","1") = "6"
    & skf18("7","5","7","5","5","8","1") = "7"
    & skf18("7","5","7","5","5","9","1") = "8"
    & skf18("7","5","7","5","5","10","1") = "9"
    & skf18("7","5","7","5","6","1","1") = "6"
    & skf18("7","5","7","5","6","2","1") = "6"
    & skf18("7","5","7","5","6","3","1") = "6"
    & skf18("7","5","7","5","6","4","1") = "6"
    & skf18("7","5","7","5","6","5","1") = "6"
    & skf18("7","5","7","5","6","6","1") = "6"
    & skf18("7","5","7","5","6","7","1") = "6"
    & skf18("7","5","7","5","6","8","1") = "7"
    & skf18("7","5","7","5","6","9","1") = "8"
    & skf18("7","5","7","5","6","10","1") = "9"
    & skf18("7","5","7","5","7","1","1") = "6"
    & skf18("7","5","7","5","7","2","1") = "6"
    & skf18("7","5","7","5","7","3","1") = "6"
    & skf18("7","5","7","5","7","4","1") = "6"
    & skf18("7","5","7","5","7","5","1") = "6"
    & skf18("7","5","7","5","7","6","1") = "6"
    & skf18("7","5","7","5","7","7","1") = "6"
    & skf18("7","5","7","5","7","8","1") = "7"
    & skf18("7","5","7","5","7","9","1") = "8"
    & skf18("7","5","7","5","7","10","1") = "9"
    & skf18("7","5","7","5","8","1","1") = "7"
    & skf18("7","5","7","5","8","2","1") = "7"
    & skf18("7","5","7","5","8","3","1") = "7"
    & skf18("7","5","7","5","8","4","1") = "7"
    & skf18("7","5","7","5","8","5","1") = "7"
    & skf18("7","5","7","5","8","6","1") = "7"
    & skf18("7","5","7","5","8","7","1") = "7"
    & skf18("7","5","7","5","8","8","1") = "7"
    & skf18("7","5","7","5","8","9","1") = "8"
    & skf18("7","5","7","5","8","10","1") = "9"
    & skf18("7","5","7","5","9","1","1") = "8"
    & skf18("7","5","7","5","9","2","1") = "8"
    & skf18("7","5","7","5","9","3","1") = "8"
    & skf18("7","5","7","5","9","4","1") = "8"
    & skf18("7","5","7","5","9","5","1") = "8"
    & skf18("7","5","7","5","9","6","1") = "8"
    & skf18("7","5","7","5","9","7","1") = "8"
    & skf18("7","5","7","5","9","8","1") = "8"
    & skf18("7","5","7","5","9","9","1") = "8"
    & skf18("7","5","7","5","9","10","1") = "9"
    & skf18("7","5","7","5","10","1","1") = "9"
    & skf18("7","5","7","5","10","2","1") = "9"
    & skf18("7","5","7","5","10","3","1") = "9"
    & skf18("7","5","7","5","10","4","1") = "9"
    & skf18("7","5","7","5","10","5","1") = "9"
    & skf18("7","5","7","5","10","6","1") = "9"
    & skf18("7","5","7","5","10","7","1") = "9"
    & skf18("7","5","7","5","10","8","1") = "9"
    & skf18("7","5","7","5","10","9","1") = "9"
    & skf18("7","5","7","5","10","10","1") = "9"
    & skf18("7","5","7","6","1","1","1") = "6"
    & skf18("7","5","7","6","1","2","1") = "6"
    & skf18("7","5","7","6","1","3","1") = "6"
    & skf18("7","5","7","6","1","4","1") = "6"
    & skf18("7","5","7","6","1","5","1") = "6"
    & skf18("7","5","7","6","1","6","1") = "6"
    & skf18("7","5","7","6","1","7","1") = "6"
    & skf18("7","5","7","6","1","8","1") = "7"
    & skf18("7","5","7","6","1","9","1") = "8"
    & skf18("7","5","7","6","1","10","1") = "9"
    & skf18("7","5","7","6","2","1","1") = "6"
    & skf18("7","5","7","6","2","2","1") = "6"
    & skf18("7","5","7","6","2","3","1") = "6"
    & skf18("7","5","7","6","2","4","1") = "6"
    & skf18("7","5","7","6","2","5","1") = "6"
    & skf18("7","5","7","6","2","6","1") = "6"
    & skf18("7","5","7","6","2","7","1") = "6"
    & skf18("7","5","7","6","2","8","1") = "7"
    & skf18("7","5","7","6","2","9","1") = "8"
    & skf18("7","5","7","6","2","10","1") = "9"
    & skf18("7","5","7","6","3","1","1") = "6"
    & skf18("7","5","7","6","3","2","1") = "6"
    & skf18("7","5","7","6","3","3","1") = "6"
    & skf18("7","5","7","6","3","4","1") = "6"
    & skf18("7","5","7","6","3","5","1") = "6"
    & skf18("7","5","7","6","3","6","1") = "6"
    & skf18("7","5","7","6","3","7","1") = "6"
    & skf18("7","5","7","6","3","8","1") = "7"
    & skf18("7","5","7","6","3","9","1") = "8"
    & skf18("7","5","7","6","3","10","1") = "9"
    & skf18("7","5","7","6","4","1","1") = "6"
    & skf18("7","5","7","6","4","2","1") = "6"
    & skf18("7","5","7","6","4","3","1") = "6"
    & skf18("7","5","7","6","4","4","1") = "6"
    & skf18("7","5","7","6","4","5","1") = "6"
    & skf18("7","5","7","6","4","6","1") = "6"
    & skf18("7","5","7","6","4","7","1") = "6"
    & skf18("7","5","7","6","4","8","1") = "7"
    & skf18("7","5","7","6","4","9","1") = "8"
    & skf18("7","5","7","6","4","10","1") = "9"
    & skf18("7","5","7","6","5","1","1") = "6"
    & skf18("7","5","7","6","5","2","1") = "6"
    & skf18("7","5","7","6","5","3","1") = "6"
    & skf18("7","5","7","6","5","4","1") = "6"
    & skf18("7","5","7","6","5","5","1") = "6"
    & skf18("7","5","7","6","5","6","1") = "6"
    & skf18("7","5","7","6","5","7","1") = "6"
    & skf18("7","5","7","6","5","8","1") = "7"
    & skf18("7","5","7","6","5","9","1") = "8"
    & skf18("7","5","7","6","5","10","1") = "9"
    & skf18("7","5","7","6","6","1","1") = "6"
    & skf18("7","5","7","6","6","2","1") = "6"
    & skf18("7","5","7","6","6","3","1") = "6"
    & skf18("7","5","7","6","6","4","1") = "6"
    & skf18("7","5","7","6","6","5","1") = "6"
    & skf18("7","5","7","6","6","6","1") = "6"
    & skf18("7","5","7","6","6","7","1") = "6"
    & skf18("7","5","7","6","6","8","1") = "7"
    & skf18("7","5","7","6","6","9","1") = "8"
    & skf18("7","5","7","6","6","10","1") = "9"
    & skf18("7","5","7","6","7","1","1") = "6"
    & skf18("7","5","7","6","7","2","1") = "6"
    & skf18("7","5","7","6","7","3","1") = "6"
    & skf18("7","5","7","6","7","4","1") = "6"
    & skf18("7","5","7","6","7","5","1") = "6"
    & skf18("7","5","7","6","7","6","1") = "6"
    & skf18("7","5","7","6","7","7","1") = "6"
    & skf18("7","5","7","6","7","8","1") = "7"
    & skf18("7","5","7","6","7","9","1") = "8"
    & skf18("7","5","7","6","7","10","1") = "9"
    & skf18("7","5","7","6","8","1","1") = "7"
    & skf18("7","5","7","6","8","2","1") = "7"
    & skf18("7","5","7","6","8","3","1") = "7"
    & skf18("7","5","7","6","8","4","1") = "7"
    & skf18("7","5","7","6","8","5","1") = "7"
    & skf18("7","5","7","6","8","6","1") = "7"
    & skf18("7","5","7","6","8","7","1") = "7"
    & skf18("7","5","7","6","8","8","1") = "7"
    & skf18("7","5","7","6","8","9","1") = "8"
    & skf18("7","5","7","6","8","10","1") = "9"
    & skf18("7","5","7","6","9","1","1") = "8"
    & skf18("7","5","7","6","9","2","1") = "8"
    & skf18("7","5","7","6","9","3","1") = "8"
    & skf18("7","5","7","6","9","4","1") = "8"
    & skf18("7","5","7","6","9","5","1") = "8"
    & skf18("7","5","7","6","9","6","1") = "8"
    & skf18("7","5","7","6","9","7","1") = "8"
    & skf18("7","5","7","6","9","8","1") = "8"
    & skf18("7","5","7","6","9","9","1") = "8"
    & skf18("7","5","7","6","9","10","1") = "9"
    & skf18("7","5","7","6","10","1","1") = "9"
    & skf18("7","5","7","6","10","2","1") = "9"
    & skf18("7","5","7","6","10","3","1") = "9"
    & skf18("7","5","7","6","10","4","1") = "9"
    & skf18("7","5","7","6","10","5","1") = "9"
    & skf18("7","5","7","6","10","6","1") = "9"
    & skf18("7","5","7","6","10","7","1") = "9"
    & skf18("7","5","7","6","10","8","1") = "9"
    & skf18("7","5","7","6","10","9","1") = "9"
    & skf18("7","5","7","6","10","10","1") = "9"
    & skf18("7","5","7","7","1","1","1") = "6"
    & skf18("7","5","7","7","1","2","1") = "6"
    & skf18("7","5","7","7","1","3","1") = "6"
    & skf18("7","5","7","7","1","4","1") = "6"
    & skf18("7","5","7","7","1","5","1") = "6"
    & skf18("7","5","7","7","1","6","1") = "6"
    & skf18("7","5","7","7","1","7","1") = "6"
    & skf18("7","5","7","7","1","8","1") = "7"
    & skf18("7","5","7","7","1","9","1") = "8"
    & skf18("7","5","7","7","1","10","1") = "9"
    & skf18("7","5","7","7","2","1","1") = "6"
    & skf18("7","5","7","7","2","2","1") = "6"
    & skf18("7","5","7","7","2","3","1") = "6"
    & skf18("7","5","7","7","2","4","1") = "6"
    & skf18("7","5","7","7","2","5","1") = "6"
    & skf18("7","5","7","7","2","6","1") = "6"
    & skf18("7","5","7","7","2","7","1") = "6"
    & skf18("7","5","7","7","2","8","1") = "7"
    & skf18("7","5","7","7","2","9","1") = "8"
    & skf18("7","5","7","7","2","10","1") = "9"
    & skf18("7","5","7","7","3","1","1") = "6"
    & skf18("7","5","7","7","3","2","1") = "6"
    & skf18("7","5","7","7","3","3","1") = "6"
    & skf18("7","5","7","7","3","4","1") = "6"
    & skf18("7","5","7","7","3","5","1") = "6"
    & skf18("7","5","7","7","3","6","1") = "6"
    & skf18("7","5","7","7","3","7","1") = "6"
    & skf18("7","5","7","7","3","8","1") = "7"
    & skf18("7","5","7","7","3","9","1") = "8"
    & skf18("7","5","7","7","3","10","1") = "9"
    & skf18("7","5","7","7","4","1","1") = "6"
    & skf18("7","5","7","7","4","2","1") = "6"
    & skf18("7","5","7","7","4","3","1") = "6"
    & skf18("7","5","7","7","4","4","1") = "6"
    & skf18("7","5","7","7","4","5","1") = "6"
    & skf18("7","5","7","7","4","6","1") = "6"
    & skf18("7","5","7","7","4","7","1") = "6"
    & skf18("7","5","7","7","4","8","1") = "7"
    & skf18("7","5","7","7","4","9","1") = "8"
    & skf18("7","5","7","7","4","10","1") = "9"
    & skf18("7","5","7","7","5","1","1") = "6"
    & skf18("7","5","7","7","5","2","1") = "6"
    & skf18("7","5","7","7","5","3","1") = "6"
    & skf18("7","5","7","7","5","4","1") = "6"
    & skf18("7","5","7","7","5","5","1") = "6"
    & skf18("7","5","7","7","5","6","1") = "6"
    & skf18("7","5","7","7","5","7","1") = "6"
    & skf18("7","5","7","7","5","8","1") = "7"
    & skf18("7","5","7","7","5","9","1") = "8"
    & skf18("7","5","7","7","5","10","1") = "9"
    & skf18("7","5","7","7","6","1","1") = "6"
    & skf18("7","5","7","7","6","2","1") = "6"
    & skf18("7","5","7","7","6","3","1") = "6"
    & skf18("7","5","7","7","6","4","1") = "6"
    & skf18("7","5","7","7","6","5","1") = "6"
    & skf18("7","5","7","7","6","6","1") = "6"
    & skf18("7","5","7","7","6","7","1") = "6"
    & skf18("7","5","7","7","6","8","1") = "7"
    & skf18("7","5","7","7","6","9","1") = "8"
    & skf18("7","5","7","7","6","10","1") = "9"
    & skf18("7","5","7","7","7","1","1") = "6"
    & skf18("7","5","7","7","7","2","1") = "6"
    & skf18("7","5","7","7","7","3","1") = "6"
    & skf18("7","5","7","7","7","4","1") = "6"
    & skf18("7","5","7","7","7","5","1") = "6"
    & skf18("7","5","7","7","7","6","1") = "6"
    & skf18("7","5","7","7","7","7","1") = "6"
    & skf18("7","5","7","7","7","8","1") = "7"
    & skf18("7","5","7","7","7","9","1") = "8"
    & skf18("7","5","7","7","7","10","1") = "9"
    & skf18("7","5","7","7","8","1","1") = "7"
    & skf18("7","5","7","7","8","2","1") = "7"
    & skf18("7","5","7","7","8","3","1") = "7"
    & skf18("7","5","7","7","8","4","1") = "7"
    & skf18("7","5","7","7","8","5","1") = "7"
    & skf18("7","5","7","7","8","6","1") = "7"
    & skf18("7","5","7","7","8","7","1") = "7"
    & skf18("7","5","7","7","8","8","1") = "7"
    & skf18("7","5","7","7","8","9","1") = "8"
    & skf18("7","5","7","7","8","10","1") = "9"
    & skf18("7","5","7","7","9","1","1") = "8"
    & skf18("7","5","7","7","9","2","1") = "8"
    & skf18("7","5","7","7","9","3","1") = "8"
    & skf18("7","5","7","7","9","4","1") = "8"
    & skf18("7","5","7","7","9","5","1") = "8"
    & skf18("7","5","7","7","9","6","1") = "8"
    & skf18("7","5","7","7","9","7","1") = "8"
    & skf18("7","5","7","7","9","8","1") = "8"
    & skf18("7","5","7","7","9","9","1") = "8"
    & skf18("7","5","7","7","9","10","1") = "9"
    & skf18("7","5","7","7","10","1","1") = "9"
    & skf18("7","5","7","7","10","2","1") = "9"
    & skf18("7","5","7","7","10","3","1") = "9"
    & skf18("7","5","7","7","10","4","1") = "9"
    & skf18("7","5","7","7","10","5","1") = "9"
    & skf18("7","5","7","7","10","6","1") = "9"
    & skf18("7","5","7","7","10","7","1") = "9"
    & skf18("7","5","7","7","10","8","1") = "9"
    & skf18("7","5","7","7","10","9","1") = "9"
    & skf18("7","5","7","7","10","10","1") = "9"
    & skf18("7","5","7","8","1","1","1") = "7"
    & skf18("7","5","7","8","1","2","1") = "7"
    & skf18("7","5","7","8","1","3","1") = "7"
    & skf18("7","5","7","8","1","4","1") = "7"
    & skf18("7","5","7","8","1","5","1") = "7"
    & skf18("7","5","7","8","1","6","1") = "7"
    & skf18("7","5","7","8","1","7","1") = "7"
    & skf18("7","5","7","8","1","8","1") = "7"
    & skf18("7","5","7","8","1","9","1") = "8"
    & skf18("7","5","7","8","1","10","1") = "9"
    & skf18("7","5","7","8","2","1","1") = "7"
    & skf18("7","5","7","8","2","2","1") = "7"
    & skf18("7","5","7","8","2","3","1") = "7"
    & skf18("7","5","7","8","2","4","1") = "7"
    & skf18("7","5","7","8","2","5","1") = "7"
    & skf18("7","5","7","8","2","6","1") = "7"
    & skf18("7","5","7","8","2","7","1") = "7"
    & skf18("7","5","7","8","2","8","1") = "7"
    & skf18("7","5","7","8","2","9","1") = "8"
    & skf18("7","5","7","8","2","10","1") = "9"
    & skf18("7","5","7","8","3","1","1") = "7"
    & skf18("7","5","7","8","3","2","1") = "7"
    & skf18("7","5","7","8","3","3","1") = "7"
    & skf18("7","5","7","8","3","4","1") = "7"
    & skf18("7","5","7","8","3","5","1") = "7"
    & skf18("7","5","7","8","3","6","1") = "7"
    & skf18("7","5","7","8","3","7","1") = "7"
    & skf18("7","5","7","8","3","8","1") = "7"
    & skf18("7","5","7","8","3","9","1") = "8"
    & skf18("7","5","7","8","3","10","1") = "9"
    & skf18("7","5","7","8","4","1","1") = "7"
    & skf18("7","5","7","8","4","2","1") = "7"
    & skf18("7","5","7","8","4","3","1") = "7"
    & skf18("7","5","7","8","4","4","1") = "7"
    & skf18("7","5","7","8","4","5","1") = "7"
    & skf18("7","5","7","8","4","6","1") = "7"
    & skf18("7","5","7","8","4","7","1") = "7"
    & skf18("7","5","7","8","4","8","1") = "7"
    & skf18("7","5","7","8","4","9","1") = "8"
    & skf18("7","5","7","8","4","10","1") = "9"
    & skf18("7","5","7","8","5","1","1") = "7"
    & skf18("7","5","7","8","5","2","1") = "7"
    & skf18("7","5","7","8","5","3","1") = "7"
    & skf18("7","5","7","8","5","4","1") = "7"
    & skf18("7","5","7","8","5","5","1") = "7"
    & skf18("7","5","7","8","5","6","1") = "7"
    & skf18("7","5","7","8","5","7","1") = "7"
    & skf18("7","5","7","8","5","8","1") = "7"
    & skf18("7","5","7","8","5","9","1") = "8"
    & skf18("7","5","7","8","5","10","1") = "9"
    & skf18("7","5","7","8","6","1","1") = "7"
    & skf18("7","5","7","8","6","2","1") = "7"
    & skf18("7","5","7","8","6","3","1") = "7"
    & skf18("7","5","7","8","6","4","1") = "7"
    & skf18("7","5","7","8","6","5","1") = "7"
    & skf18("7","5","7","8","6","6","1") = "7"
    & skf18("7","5","7","8","6","7","1") = "7"
    & skf18("7","5","7","8","6","8","1") = "7"
    & skf18("7","5","7","8","6","9","1") = "8"
    & skf18("7","5","7","8","6","10","1") = "9"
    & skf18("7","5","7","8","7","1","1") = "7"
    & skf18("7","5","7","8","7","2","1") = "7"
    & skf18("7","5","7","8","7","3","1") = "7"
    & skf18("7","5","7","8","7","4","1") = "7"
    & skf18("7","5","7","8","7","5","1") = "7"
    & skf18("7","5","7","8","7","6","1") = "7"
    & skf18("7","5","7","8","7","7","1") = "7"
    & skf18("7","5","7","8","7","8","1") = "7"
    & skf18("7","5","7","8","7","9","1") = "8"
    & skf18("7","5","7","8","7","10","1") = "9"
    & skf18("7","5","7","8","8","1","1") = "7"
    & skf18("7","5","7","8","8","2","1") = "7"
    & skf18("7","5","7","8","8","3","1") = "7"
    & skf18("7","5","7","8","8","4","1") = "7"
    & skf18("7","5","7","8","8","5","1") = "7"
    & skf18("7","5","7","8","8","6","1") = "7"
    & skf18("7","5","7","8","8","7","1") = "7"
    & skf18("7","5","7","8","8","8","1") = "7"
    & skf18("7","5","7","8","8","9","1") = "8"
    & skf18("7","5","7","8","8","10","1") = "9"
    & skf18("7","5","7","8","9","1","1") = "8"
    & skf18("7","5","7","8","9","2","1") = "8"
    & skf18("7","5","7","8","9","3","1") = "8"
    & skf18("7","5","7","8","9","4","1") = "8"
    & skf18("7","5","7","8","9","5","1") = "8"
    & skf18("7","5","7","8","9","6","1") = "8"
    & skf18("7","5","7","8","9","7","1") = "8"
    & skf18("7","5","7","8","9","8","1") = "8"
    & skf18("7","5","7","8","9","9","1") = "8"
    & skf18("7","5","7","8","9","10","1") = "9"
    & skf18("7","5","7","8","10","1","1") = "9"
    & skf18("7","5","7","8","10","2","1") = "9"
    & skf18("7","5","7","8","10","3","1") = "9"
    & skf18("7","5","7","8","10","4","1") = "9"
    & skf18("7","5","7","8","10","5","1") = "9"
    & skf18("7","5","7","8","10","6","1") = "9"
    & skf18("7","5","7","8","10","7","1") = "9"
    & skf18("7","5","7","8","10","8","1") = "9"
    & skf18("7","5","7","8","10","9","1") = "9"
    & skf18("7","5","7","8","10","10","1") = "9"
    & skf18("7","5","7","9","1","1","1") = "8"
    & skf18("7","5","7","9","1","2","1") = "8"
    & skf18("7","5","7","9","1","3","1") = "8"
    & skf18("7","5","7","9","1","4","1") = "8"
    & skf18("7","5","7","9","1","5","1") = "8"
    & skf18("7","5","7","9","1","6","1") = "8"
    & skf18("7","5","7","9","1","7","1") = "8"
    & skf18("7","5","7","9","1","8","1") = "8"
    & skf18("7","5","7","9","1","9","1") = "8"
    & skf18("7","5","7","9","1","10","1") = "9"
    & skf18("7","5","7","9","2","1","1") = "8"
    & skf18("7","5","7","9","2","2","1") = "8"
    & skf18("7","5","7","9","2","3","1") = "8"
    & skf18("7","5","7","9","2","4","1") = "8"
    & skf18("7","5","7","9","2","5","1") = "8"
    & skf18("7","5","7","9","2","6","1") = "8"
    & skf18("7","5","7","9","2","7","1") = "8"
    & skf18("7","5","7","9","2","8","1") = "8"
    & skf18("7","5","7","9","2","9","1") = "8"
    & skf18("7","5","7","9","2","10","1") = "9"
    & skf18("7","5","7","9","3","1","1") = "8"
    & skf18("7","5","7","9","3","2","1") = "8"
    & skf18("7","5","7","9","3","3","1") = "8"
    & skf18("7","5","7","9","3","4","1") = "8"
    & skf18("7","5","7","9","3","5","1") = "8"
    & skf18("7","5","7","9","3","6","1") = "8"
    & skf18("7","5","7","9","3","7","1") = "8"
    & skf18("7","5","7","9","3","8","1") = "8"
    & skf18("7","5","7","9","3","9","1") = "8"
    & skf18("7","5","7","9","3","10","1") = "9"
    & skf18("7","5","7","9","4","1","1") = "8"
    & skf18("7","5","7","9","4","2","1") = "8"
    & skf18("7","5","7","9","4","3","1") = "8"
    & skf18("7","5","7","9","4","4","1") = "8"
    & skf18("7","5","7","9","4","5","1") = "8"
    & skf18("7","5","7","9","4","6","1") = "8"
    & skf18("7","5","7","9","4","7","1") = "8"
    & skf18("7","5","7","9","4","8","1") = "8"
    & skf18("7","5","7","9","4","9","1") = "8"
    & skf18("7","5","7","9","4","10","1") = "9"
    & skf18("7","5","7","9","5","1","1") = "8"
    & skf18("7","5","7","9","5","2","1") = "8"
    & skf18("7","5","7","9","5","3","1") = "8"
    & skf18("7","5","7","9","5","4","1") = "8"
    & skf18("7","5","7","9","5","5","1") = "8"
    & skf18("7","5","7","9","5","6","1") = "8"
    & skf18("7","5","7","9","5","7","1") = "8"
    & skf18("7","5","7","9","5","8","1") = "8"
    & skf18("7","5","7","9","5","9","1") = "8"
    & skf18("7","5","7","9","5","10","1") = "9"
    & skf18("7","5","7","9","6","1","1") = "8"
    & skf18("7","5","7","9","6","2","1") = "8"
    & skf18("7","5","7","9","6","3","1") = "8"
    & skf18("7","5","7","9","6","4","1") = "8"
    & skf18("7","5","7","9","6","5","1") = "8"
    & skf18("7","5","7","9","6","6","1") = "8"
    & skf18("7","5","7","9","6","7","1") = "8"
    & skf18("7","5","7","9","6","8","1") = "8"
    & skf18("7","5","7","9","6","9","1") = "8"
    & skf18("7","5","7","9","6","10","1") = "9"
    & skf18("7","5","7","9","7","1","1") = "8"
    & skf18("7","5","7","9","7","2","1") = "8"
    & skf18("7","5","7","9","7","3","1") = "8"
    & skf18("7","5","7","9","7","4","1") = "8"
    & skf18("7","5","7","9","7","5","1") = "8"
    & skf18("7","5","7","9","7","6","1") = "8"
    & skf18("7","5","7","9","7","7","1") = "8"
    & skf18("7","5","7","9","7","8","1") = "8"
    & skf18("7","5","7","9","7","9","1") = "8"
    & skf18("7","5","7","9","7","10","1") = "9"
    & skf18("7","5","7","9","8","1","1") = "8"
    & skf18("7","5","7","9","8","2","1") = "8"
    & skf18("7","5","7","9","8","3","1") = "8"
    & skf18("7","5","7","9","8","4","1") = "8"
    & skf18("7","5","7","9","8","5","1") = "8"
    & skf18("7","5","7","9","8","6","1") = "8"
    & skf18("7","5","7","9","8","7","1") = "8"
    & skf18("7","5","7","9","8","8","1") = "8"
    & skf18("7","5","7","9","8","9","1") = "8"
    & skf18("7","5","7","9","8","10","1") = "9"
    & skf18("7","5","7","9","9","1","1") = "8"
    & skf18("7","5","7","9","9","2","1") = "8"
    & skf18("7","5","7","9","9","3","1") = "8"
    & skf18("7","5","7","9","9","4","1") = "8"
    & skf18("7","5","7","9","9","5","1") = "8"
    & skf18("7","5","7","9","9","6","1") = "8"
    & skf18("7","5","7","9","9","7","1") = "8"
    & skf18("7","5","7","9","9","8","1") = "8"
    & skf18("7","5","7","9","9","9","1") = "8"
    & skf18("7","5","7","9","9","10","1") = "9"
    & skf18("7","5","7","9","10","1","1") = "9"
    & skf18("7","5","7","9","10","2","1") = "9"
    & skf18("7","5","7","9","10","3","1") = "9"
    & skf18("7","5","7","9","10","4","1") = "9"
    & skf18("7","5","7","9","10","5","1") = "9"
    & skf18("7","5","7","9","10","6","1") = "9"
    & skf18("7","5","7","9","10","7","1") = "9"
    & skf18("7","5","7","9","10","8","1") = "9"
    & skf18("7","5","7","9","10","9","1") = "9"
    & skf18("7","5","7","9","10","10","1") = "9"
    & skf18("7","5","7","10","1","1","1") = "9"
    & skf18("7","5","7","10","1","2","1") = "9"
    & skf18("7","5","7","10","1","3","1") = "9"
    & skf18("7","5","7","10","1","4","1") = "9"
    & skf18("7","5","7","10","1","5","1") = "9"
    & skf18("7","5","7","10","1","6","1") = "9"
    & skf18("7","5","7","10","1","7","1") = "9"
    & skf18("7","5","7","10","1","8","1") = "9"
    & skf18("7","5","7","10","1","9","1") = "9"
    & skf18("7","5","7","10","1","10","1") = "9"
    & skf18("7","5","7","10","2","1","1") = "9"
    & skf18("7","5","7","10","2","2","1") = "9"
    & skf18("7","5","7","10","2","3","1") = "9"
    & skf18("7","5","7","10","2","4","1") = "9"
    & skf18("7","5","7","10","2","5","1") = "9"
    & skf18("7","5","7","10","2","6","1") = "9"
    & skf18("7","5","7","10","2","7","1") = "9"
    & skf18("7","5","7","10","2","8","1") = "9"
    & skf18("7","5","7","10","2","9","1") = "9"
    & skf18("7","5","7","10","2","10","1") = "9"
    & skf18("7","5","7","10","3","1","1") = "9"
    & skf18("7","5","7","10","3","2","1") = "9"
    & skf18("7","5","7","10","3","3","1") = "9"
    & skf18("7","5","7","10","3","4","1") = "9"
    & skf18("7","5","7","10","3","5","1") = "9"
    & skf18("7","5","7","10","3","6","1") = "9"
    & skf18("7","5","7","10","3","7","1") = "9"
    & skf18("7","5","7","10","3","8","1") = "9"
    & skf18("7","5","7","10","3","9","1") = "9"
    & skf18("7","5","7","10","3","10","1") = "9"
    & skf18("7","5","7","10","4","1","1") = "9"
    & skf18("7","5","7","10","4","2","1") = "9"
    & skf18("7","5","7","10","4","3","1") = "9"
    & skf18("7","5","7","10","4","4","1") = "9"
    & skf18("7","5","7","10","4","5","1") = "9"
    & skf18("7","5","7","10","4","6","1") = "9"
    & skf18("7","5","7","10","4","7","1") = "9"
    & skf18("7","5","7","10","4","8","1") = "9"
    & skf18("7","5","7","10","4","9","1") = "9"
    & skf18("7","5","7","10","4","10","1") = "9"
    & skf18("7","5","7","10","5","1","1") = "9"
    & skf18("7","5","7","10","5","2","1") = "9"
    & skf18("7","5","7","10","5","3","1") = "9"
    & skf18("7","5","7","10","5","4","1") = "9"
    & skf18("7","5","7","10","5","5","1") = "9"
    & skf18("7","5","7","10","5","6","1") = "9"
    & skf18("7","5","7","10","5","7","1") = "9"
    & skf18("7","5","7","10","5","8","1") = "9"
    & skf18("7","5","7","10","5","9","1") = "9"
    & skf18("7","5","7","10","5","10","1") = "9"
    & skf18("7","5","7","10","6","1","1") = "9"
    & skf18("7","5","7","10","6","2","1") = "9"
    & skf18("7","5","7","10","6","3","1") = "9"
    & skf18("7","5","7","10","6","4","1") = "9"
    & skf18("7","5","7","10","6","5","1") = "9"
    & skf18("7","5","7","10","6","6","1") = "9"
    & skf18("7","5","7","10","6","7","1") = "9"
    & skf18("7","5","7","10","6","8","1") = "9"
    & skf18("7","5","7","10","6","9","1") = "9"
    & skf18("7","5","7","10","6","10","1") = "9"
    & skf18("7","5","7","10","7","1","1") = "9"
    & skf18("7","5","7","10","7","2","1") = "9"
    & skf18("7","5","7","10","7","3","1") = "9"
    & skf18("7","5","7","10","7","4","1") = "9"
    & skf18("7","5","7","10","7","5","1") = "9"
    & skf18("7","5","7","10","7","6","1") = "9"
    & skf18("7","5","7","10","7","7","1") = "9"
    & skf18("7","5","7","10","7","8","1") = "9"
    & skf18("7","5","7","10","7","9","1") = "9"
    & skf18("7","5","7","10","7","10","1") = "9"
    & skf18("7","5","7","10","8","1","1") = "9"
    & skf18("7","5","7","10","8","2","1") = "9"
    & skf18("7","5","7","10","8","3","1") = "9"
    & skf18("7","5","7","10","8","4","1") = "9"
    & skf18("7","5","7","10","8","5","1") = "9"
    & skf18("7","5","7","10","8","6","1") = "9"
    & skf18("7","5","7","10","8","7","1") = "9"
    & skf18("7","5","7","10","8","8","1") = "9"
    & skf18("7","5","7","10","8","9","1") = "9"
    & skf18("7","5","7","10","8","10","1") = "9"
    & skf18("7","5","7","10","9","1","1") = "9"
    & skf18("7","5","7","10","9","2","1") = "9"
    & skf18("7","5","7","10","9","3","1") = "9"
    & skf18("7","5","7","10","9","4","1") = "9"
    & skf18("7","5","7","10","9","5","1") = "9"
    & skf18("7","5","7","10","9","6","1") = "9"
    & skf18("7","5","7","10","9","7","1") = "9"
    & skf18("7","5","7","10","9","8","1") = "9"
    & skf18("7","5","7","10","9","9","1") = "9"
    & skf18("7","5","7","10","9","10","1") = "9"
    & skf18("7","5","7","10","10","1","1") = "9"
    & skf18("7","5","7","10","10","2","1") = "9"
    & skf18("7","5","7","10","10","3","1") = "9"
    & skf18("7","5","7","10","10","4","1") = "9"
    & skf18("7","5","7","10","10","5","1") = "9"
    & skf18("7","5","7","10","10","6","1") = "9"
    & skf18("7","5","7","10","10","7","1") = "9"
    & skf18("7","5","7","10","10","8","1") = "9"
    & skf18("7","5","7","10","10","9","1") = "9"
    & skf18("7","5","7","10","10","10","1") = "9"
    & skf18("7","5","8","1","1","1","1") = "7"
    & skf18("7","5","8","1","1","2","1") = "7"
    & skf18("7","5","8","1","1","3","1") = "7"
    & skf18("7","5","8","1","1","4","1") = "7"
    & skf18("7","5","8","1","1","5","1") = "7"
    & skf18("7","5","8","1","1","6","1") = "7"
    & skf18("7","5","8","1","1","7","1") = "7"
    & skf18("7","5","8","1","1","8","1") = "7"
    & skf18("7","5","8","1","1","9","1") = "8"
    & skf18("7","5","8","1","1","10","1") = "9"
    & skf18("7","5","8","1","2","1","1") = "7"
    & skf18("7","5","8","1","2","2","1") = "7"
    & skf18("7","5","8","1","2","3","1") = "7"
    & skf18("7","5","8","1","2","4","1") = "7"
    & skf18("7","5","8","1","2","5","1") = "7"
    & skf18("7","5","8","1","2","6","1") = "7"
    & skf18("7","5","8","1","2","7","1") = "7"
    & skf18("7","5","8","1","2","8","1") = "7"
    & skf18("7","5","8","1","2","9","1") = "8"
    & skf18("7","5","8","1","2","10","1") = "9"
    & skf18("7","5","8","1","3","1","1") = "7"
    & skf18("7","5","8","1","3","2","1") = "7"
    & skf18("7","5","8","1","3","3","1") = "7"
    & skf18("7","5","8","1","3","4","1") = "7"
    & skf18("7","5","8","1","3","5","1") = "7"
    & skf18("7","5","8","1","3","6","1") = "7"
    & skf18("7","5","8","1","3","7","1") = "7"
    & skf18("7","5","8","1","3","8","1") = "7"
    & skf18("7","5","8","1","3","9","1") = "8"
    & skf18("7","5","8","1","3","10","1") = "9"
    & skf18("7","5","8","1","4","1","1") = "7"
    & skf18("7","5","8","1","4","2","1") = "7"
    & skf18("7","5","8","1","4","3","1") = "7"
    & skf18("7","5","8","1","4","4","1") = "7"
    & skf18("7","5","8","1","4","5","1") = "7"
    & skf18("7","5","8","1","4","6","1") = "7"
    & skf18("7","5","8","1","4","7","1") = "7"
    & skf18("7","5","8","1","4","8","1") = "7"
    & skf18("7","5","8","1","4","9","1") = "8"
    & skf18("7","5","8","1","4","10","1") = "9"
    & skf18("7","5","8","1","5","1","1") = "7"
    & skf18("7","5","8","1","5","2","1") = "7"
    & skf18("7","5","8","1","5","3","1") = "7"
    & skf18("7","5","8","1","5","4","1") = "7"
    & skf18("7","5","8","1","5","5","1") = "7"
    & skf18("7","5","8","1","5","6","1") = "7"
    & skf18("7","5","8","1","5","7","1") = "7"
    & skf18("7","5","8","1","5","8","1") = "7"
    & skf18("7","5","8","1","5","9","1") = "8"
    & skf18("7","5","8","1","5","10","1") = "9"
    & skf18("7","5","8","1","6","1","1") = "7"
    & skf18("7","5","8","1","6","2","1") = "7"
    & skf18("7","5","8","1","6","3","1") = "7"
    & skf18("7","5","8","1","6","4","1") = "7"
    & skf18("7","5","8","1","6","5","1") = "7"
    & skf18("7","5","8","1","6","6","1") = "7"
    & skf18("7","5","8","1","6","7","1") = "7"
    & skf18("7","5","8","1","6","8","1") = "7"
    & skf18("7","5","8","1","6","9","1") = "8"
    & skf18("7","5","8","1","6","10","1") = "9"
    & skf18("7","5","8","1","7","1","1") = "7"
    & skf18("7","5","8","1","7","2","1") = "7"
    & skf18("7","5","8","1","7","3","1") = "7"
    & skf18("7","5","8","1","7","4","1") = "7"
    & skf18("7","5","8","1","7","5","1") = "7"
    & skf18("7","5","8","1","7","6","1") = "7"
    & skf18("7","5","8","1","7","7","1") = "7"
    & skf18("7","5","8","1","7","8","1") = "7"
    & skf18("7","5","8","1","7","9","1") = "8"
    & skf18("7","5","8","1","7","10","1") = "9"
    & skf18("7","5","8","1","8","1","1") = "7"
    & skf18("7","5","8","1","8","2","1") = "7"
    & skf18("7","5","8","1","8","3","1") = "7"
    & skf18("7","5","8","1","8","4","1") = "7"
    & skf18("7","5","8","1","8","5","1") = "7"
    & skf18("7","5","8","1","8","6","1") = "7"
    & skf18("7","5","8","1","8","7","1") = "7"
    & skf18("7","5","8","1","8","8","1") = "7"
    & skf18("7","5","8","1","8","9","1") = "8"
    & skf18("7","5","8","1","8","10","1") = "9"
    & skf18("7","5","8","1","9","1","1") = "8"
    & skf18("7","5","8","1","9","2","1") = "8"
    & skf18("7","5","8","1","9","3","1") = "8"
    & skf18("7","5","8","1","9","4","1") = "8"
    & skf18("7","5","8","1","9","5","1") = "8"
    & skf18("7","5","8","1","9","6","1") = "8"
    & skf18("7","5","8","1","9","7","1") = "8"
    & skf18("7","5","8","1","9","8","1") = "8"
    & skf18("7","5","8","1","9","9","1") = "8"
    & skf18("7","5","8","1","9","10","1") = "9"
    & skf18("7","5","8","1","10","1","1") = "9"
    & skf18("7","5","8","1","10","2","1") = "9"
    & skf18("7","5","8","1","10","3","1") = "9"
    & skf18("7","5","8","1","10","4","1") = "9"
    & skf18("7","5","8","1","10","5","1") = "9"
    & skf18("7","5","8","1","10","6","1") = "9"
    & skf18("7","5","8","1","10","7","1") = "9"
    & skf18("7","5","8","1","10","8","1") = "9"
    & skf18("7","5","8","1","10","9","1") = "9"
    & skf18("7","5","8","1","10","10","1") = "9"
    & skf18("7","5","8","2","1","1","1") = "7"
    & skf18("7","5","8","2","1","2","1") = "7"
    & skf18("7","5","8","2","1","3","1") = "7"
    & skf18("7","5","8","2","1","4","1") = "7"
    & skf18("7","5","8","2","1","5","1") = "7"
    & skf18("7","5","8","2","1","6","1") = "7"
    & skf18("7","5","8","2","1","7","1") = "7"
    & skf18("7","5","8","2","1","8","1") = "7"
    & skf18("7","5","8","2","1","9","1") = "8"
    & skf18("7","5","8","2","1","10","1") = "9"
    & skf18("7","5","8","2","2","1","1") = "7"
    & skf18("7","5","8","2","2","2","1") = "7"
    & skf18("7","5","8","2","2","3","1") = "7"
    & skf18("7","5","8","2","2","4","1") = "7"
    & skf18("7","5","8","2","2","5","1") = "7"
    & skf18("7","5","8","2","2","6","1") = "7"
    & skf18("7","5","8","2","2","7","1") = "7"
    & skf18("7","5","8","2","2","8","1") = "7"
    & skf18("7","5","8","2","2","9","1") = "8"
    & skf18("7","5","8","2","2","10","1") = "9"
    & skf18("7","5","8","2","3","1","1") = "7"
    & skf18("7","5","8","2","3","2","1") = "7"
    & skf18("7","5","8","2","3","3","1") = "7"
    & skf18("7","5","8","2","3","4","1") = "7"
    & skf18("7","5","8","2","3","5","1") = "7"
    & skf18("7","5","8","2","3","6","1") = "7"
    & skf18("7","5","8","2","3","7","1") = "7"
    & skf18("7","5","8","2","3","8","1") = "7"
    & skf18("7","5","8","2","3","9","1") = "8"
    & skf18("7","5","8","2","3","10","1") = "9"
    & skf18("7","5","8","2","4","1","1") = "7"
    & skf18("7","5","8","2","4","2","1") = "7"
    & skf18("7","5","8","2","4","3","1") = "7"
    & skf18("7","5","8","2","4","4","1") = "7"
    & skf18("7","5","8","2","4","5","1") = "7"
    & skf18("7","5","8","2","4","6","1") = "7"
    & skf18("7","5","8","2","4","7","1") = "7"
    & skf18("7","5","8","2","4","8","1") = "7"
    & skf18("7","5","8","2","4","9","1") = "8"
    & skf18("7","5","8","2","4","10","1") = "9"
    & skf18("7","5","8","2","5","1","1") = "7"
    & skf18("7","5","8","2","5","2","1") = "7"
    & skf18("7","5","8","2","5","3","1") = "7"
    & skf18("7","5","8","2","5","4","1") = "7"
    & skf18("7","5","8","2","5","5","1") = "7"
    & skf18("7","5","8","2","5","6","1") = "7"
    & skf18("7","5","8","2","5","7","1") = "7"
    & skf18("7","5","8","2","5","8","1") = "7"
    & skf18("7","5","8","2","5","9","1") = "8"
    & skf18("7","5","8","2","5","10","1") = "9"
    & skf18("7","5","8","2","6","1","1") = "7"
    & skf18("7","5","8","2","6","2","1") = "7"
    & skf18("7","5","8","2","6","3","1") = "7"
    & skf18("7","5","8","2","6","4","1") = "7"
    & skf18("7","5","8","2","6","5","1") = "7"
    & skf18("7","5","8","2","6","6","1") = "7"
    & skf18("7","5","8","2","6","7","1") = "7"
    & skf18("7","5","8","2","6","8","1") = "7"
    & skf18("7","5","8","2","6","9","1") = "8"
    & skf18("7","5","8","2","6","10","1") = "9"
    & skf18("7","5","8","2","7","1","1") = "7"
    & skf18("7","5","8","2","7","2","1") = "7"
    & skf18("7","5","8","2","7","3","1") = "7"
    & skf18("7","5","8","2","7","4","1") = "7"
    & skf18("7","5","8","2","7","5","1") = "7"
    & skf18("7","5","8","2","7","6","1") = "7"
    & skf18("7","5","8","2","7","7","1") = "7"
    & skf18("7","5","8","2","7","8","1") = "7"
    & skf18("7","5","8","2","7","9","1") = "8"
    & skf18("7","5","8","2","7","10","1") = "9"
    & skf18("7","5","8","2","8","1","1") = "7"
    & skf18("7","5","8","2","8","2","1") = "7"
    & skf18("7","5","8","2","8","3","1") = "7"
    & skf18("7","5","8","2","8","4","1") = "7"
    & skf18("7","5","8","2","8","5","1") = "7"
    & skf18("7","5","8","2","8","6","1") = "7"
    & skf18("7","5","8","2","8","7","1") = "7"
    & skf18("7","5","8","2","8","8","1") = "7"
    & skf18("7","5","8","2","8","9","1") = "8"
    & skf18("7","5","8","2","8","10","1") = "9"
    & skf18("7","5","8","2","9","1","1") = "8"
    & skf18("7","5","8","2","9","2","1") = "8"
    & skf18("7","5","8","2","9","3","1") = "8"
    & skf18("7","5","8","2","9","4","1") = "8"
    & skf18("7","5","8","2","9","5","1") = "8"
    & skf18("7","5","8","2","9","6","1") = "8"
    & skf18("7","5","8","2","9","7","1") = "8"
    & skf18("7","5","8","2","9","8","1") = "8"
    & skf18("7","5","8","2","9","9","1") = "8"
    & skf18("7","5","8","2","9","10","1") = "9"
    & skf18("7","5","8","2","10","1","1") = "9"
    & skf18("7","5","8","2","10","2","1") = "9"
    & skf18("7","5","8","2","10","3","1") = "9"
    & skf18("7","5","8","2","10","4","1") = "9"
    & skf18("7","5","8","2","10","5","1") = "9"
    & skf18("7","5","8","2","10","6","1") = "9"
    & skf18("7","5","8","2","10","7","1") = "9"
    & skf18("7","5","8","2","10","8","1") = "9"
    & skf18("7","5","8","2","10","9","1") = "9"
    & skf18("7","5","8","2","10","10","1") = "9"
    & skf18("7","5","8","3","1","1","1") = "7"
    & skf18("7","5","8","3","1","2","1") = "7"
    & skf18("7","5","8","3","1","3","1") = "7"
    & skf18("7","5","8","3","1","4","1") = "7"
    & skf18("7","5","8","3","1","5","1") = "7"
    & skf18("7","5","8","3","1","6","1") = "7"
    & skf18("7","5","8","3","1","7","1") = "7"
    & skf18("7","5","8","3","1","8","1") = "7"
    & skf18("7","5","8","3","1","9","1") = "8"
    & skf18("7","5","8","3","1","10","1") = "9"
    & skf18("7","5","8","3","2","1","1") = "7"
    & skf18("7","5","8","3","2","2","1") = "7"
    & skf18("7","5","8","3","2","3","1") = "7"
    & skf18("7","5","8","3","2","4","1") = "7"
    & skf18("7","5","8","3","2","5","1") = "7"
    & skf18("7","5","8","3","2","6","1") = "7"
    & skf18("7","5","8","3","2","7","1") = "7"
    & skf18("7","5","8","3","2","8","1") = "7"
    & skf18("7","5","8","3","2","9","1") = "8"
    & skf18("7","5","8","3","2","10","1") = "9"
    & skf18("7","5","8","3","3","1","1") = "7"
    & skf18("7","5","8","3","3","2","1") = "7"
    & skf18("7","5","8","3","3","3","1") = "7"
    & skf18("7","5","8","3","3","4","1") = "7"
    & skf18("7","5","8","3","3","5","1") = "7"
    & skf18("7","5","8","3","3","6","1") = "7"
    & skf18("7","5","8","3","3","7","1") = "7"
    & skf18("7","5","8","3","3","8","1") = "7"
    & skf18("7","5","8","3","3","9","1") = "8"
    & skf18("7","5","8","3","3","10","1") = "9"
    & skf18("7","5","8","3","4","1","1") = "7"
    & skf18("7","5","8","3","4","2","1") = "7"
    & skf18("7","5","8","3","4","3","1") = "7"
    & skf18("7","5","8","3","4","4","1") = "7"
    & skf18("7","5","8","3","4","5","1") = "7"
    & skf18("7","5","8","3","4","6","1") = "7"
    & skf18("7","5","8","3","4","7","1") = "7"
    & skf18("7","5","8","3","4","8","1") = "7"
    & skf18("7","5","8","3","4","9","1") = "8"
    & skf18("7","5","8","3","4","10","1") = "9"
    & skf18("7","5","8","3","5","1","1") = "7"
    & skf18("7","5","8","3","5","2","1") = "7"
    & skf18("7","5","8","3","5","3","1") = "7"
    & skf18("7","5","8","3","5","4","1") = "7"
    & skf18("7","5","8","3","5","5","1") = "7"
    & skf18("7","5","8","3","5","6","1") = "7"
    & skf18("7","5","8","3","5","7","1") = "7"
    & skf18("7","5","8","3","5","8","1") = "7"
    & skf18("7","5","8","3","5","9","1") = "8"
    & skf18("7","5","8","3","5","10","1") = "9"
    & skf18("7","5","8","3","6","1","1") = "7"
    & skf18("7","5","8","3","6","2","1") = "7"
    & skf18("7","5","8","3","6","3","1") = "7"
    & skf18("7","5","8","3","6","4","1") = "7"
    & skf18("7","5","8","3","6","5","1") = "7"
    & skf18("7","5","8","3","6","6","1") = "7"
    & skf18("7","5","8","3","6","7","1") = "7"
    & skf18("7","5","8","3","6","8","1") = "7"
    & skf18("7","5","8","3","6","9","1") = "8"
    & skf18("7","5","8","3","6","10","1") = "9"
    & skf18("7","5","8","3","7","1","1") = "7"
    & skf18("7","5","8","3","7","2","1") = "7"
    & skf18("7","5","8","3","7","3","1") = "7"
    & skf18("7","5","8","3","7","4","1") = "7"
    & skf18("7","5","8","3","7","5","1") = "7"
    & skf18("7","5","8","3","7","6","1") = "7"
    & skf18("7","5","8","3","7","7","1") = "7"
    & skf18("7","5","8","3","7","8","1") = "7"
    & skf18("7","5","8","3","7","9","1") = "8"
    & skf18("7","5","8","3","7","10","1") = "9"
    & skf18("7","5","8","3","8","1","1") = "7"
    & skf18("7","5","8","3","8","2","1") = "7"
    & skf18("7","5","8","3","8","3","1") = "7"
    & skf18("7","5","8","3","8","4","1") = "7"
    & skf18("7","5","8","3","8","5","1") = "7"
    & skf18("7","5","8","3","8","6","1") = "7"
    & skf18("7","5","8","3","8","7","1") = "7"
    & skf18("7","5","8","3","8","8","1") = "7"
    & skf18("7","5","8","3","8","9","1") = "8"
    & skf18("7","5","8","3","8","10","1") = "9"
    & skf18("7","5","8","3","9","1","1") = "8"
    & skf18("7","5","8","3","9","2","1") = "8"
    & skf18("7","5","8","3","9","3","1") = "8"
    & skf18("7","5","8","3","9","4","1") = "8"
    & skf18("7","5","8","3","9","5","1") = "8"
    & skf18("7","5","8","3","9","6","1") = "8"
    & skf18("7","5","8","3","9","7","1") = "8"
    & skf18("7","5","8","3","9","8","1") = "8"
    & skf18("7","5","8","3","9","9","1") = "8"
    & skf18("7","5","8","3","9","10","1") = "9"
    & skf18("7","5","8","3","10","1","1") = "9"
    & skf18("7","5","8","3","10","2","1") = "9"
    & skf18("7","5","8","3","10","3","1") = "9"
    & skf18("7","5","8","3","10","4","1") = "9"
    & skf18("7","5","8","3","10","5","1") = "9"
    & skf18("7","5","8","3","10","6","1") = "9"
    & skf18("7","5","8","3","10","7","1") = "9"
    & skf18("7","5","8","3","10","8","1") = "9"
    & skf18("7","5","8","3","10","9","1") = "9"
    & skf18("7","5","8","3","10","10","1") = "9"
    & skf18("7","5","8","4","1","1","1") = "7"
    & skf18("7","5","8","4","1","2","1") = "7"
    & skf18("7","5","8","4","1","3","1") = "7"
    & skf18("7","5","8","4","1","4","1") = "7"
    & skf18("7","5","8","4","1","5","1") = "7"
    & skf18("7","5","8","4","1","6","1") = "7"
    & skf18("7","5","8","4","1","7","1") = "7"
    & skf18("7","5","8","4","1","8","1") = "7"
    & skf18("7","5","8","4","1","9","1") = "8"
    & skf18("7","5","8","4","1","10","1") = "9"
    & skf18("7","5","8","4","2","1","1") = "7"
    & skf18("7","5","8","4","2","2","1") = "7"
    & skf18("7","5","8","4","2","3","1") = "7"
    & skf18("7","5","8","4","2","4","1") = "7"
    & skf18("7","5","8","4","2","5","1") = "7"
    & skf18("7","5","8","4","2","6","1") = "7"
    & skf18("7","5","8","4","2","7","1") = "7"
    & skf18("7","5","8","4","2","8","1") = "7"
    & skf18("7","5","8","4","2","9","1") = "8"
    & skf18("7","5","8","4","2","10","1") = "9"
    & skf18("7","5","8","4","3","1","1") = "7"
    & skf18("7","5","8","4","3","2","1") = "7"
    & skf18("7","5","8","4","3","3","1") = "7"
    & skf18("7","5","8","4","3","4","1") = "7"
    & skf18("7","5","8","4","3","5","1") = "7"
    & skf18("7","5","8","4","3","6","1") = "7"
    & skf18("7","5","8","4","3","7","1") = "7"
    & skf18("7","5","8","4","3","8","1") = "7"
    & skf18("7","5","8","4","3","9","1") = "8"
    & skf18("7","5","8","4","3","10","1") = "9"
    & skf18("7","5","8","4","4","1","1") = "7"
    & skf18("7","5","8","4","4","2","1") = "7"
    & skf18("7","5","8","4","4","3","1") = "7"
    & skf18("7","5","8","4","4","4","1") = "7"
    & skf18("7","5","8","4","4","5","1") = "7"
    & skf18("7","5","8","4","4","6","1") = "7"
    & skf18("7","5","8","4","4","7","1") = "7"
    & skf18("7","5","8","4","4","8","1") = "7"
    & skf18("7","5","8","4","4","9","1") = "8"
    & skf18("7","5","8","4","4","10","1") = "9"
    & skf18("7","5","8","4","5","1","1") = "7"
    & skf18("7","5","8","4","5","2","1") = "7"
    & skf18("7","5","8","4","5","3","1") = "7"
    & skf18("7","5","8","4","5","4","1") = "7"
    & skf18("7","5","8","4","5","5","1") = "7"
    & skf18("7","5","8","4","5","6","1") = "7"
    & skf18("7","5","8","4","5","7","1") = "7"
    & skf18("7","5","8","4","5","8","1") = "7"
    & skf18("7","5","8","4","5","9","1") = "8"
    & skf18("7","5","8","4","5","10","1") = "9"
    & skf18("7","5","8","4","6","1","1") = "7"
    & skf18("7","5","8","4","6","2","1") = "7"
    & skf18("7","5","8","4","6","3","1") = "7"
    & skf18("7","5","8","4","6","4","1") = "7"
    & skf18("7","5","8","4","6","5","1") = "7"
    & skf18("7","5","8","4","6","6","1") = "7"
    & skf18("7","5","8","4","6","7","1") = "7"
    & skf18("7","5","8","4","6","8","1") = "7"
    & skf18("7","5","8","4","6","9","1") = "8"
    & skf18("7","5","8","4","6","10","1") = "9"
    & skf18("7","5","8","4","7","1","1") = "7"
    & skf18("7","5","8","4","7","2","1") = "7"
    & skf18("7","5","8","4","7","3","1") = "7"
    & skf18("7","5","8","4","7","4","1") = "7"
    & skf18("7","5","8","4","7","5","1") = "7"
    & skf18("7","5","8","4","7","6","1") = "7"
    & skf18("7","5","8","4","7","7","1") = "7"
    & skf18("7","5","8","4","7","8","1") = "7"
    & skf18("7","5","8","4","7","9","1") = "8"
    & skf18("7","5","8","4","7","10","1") = "9"
    & skf18("7","5","8","4","8","1","1") = "7"
    & skf18("7","5","8","4","8","2","1") = "7"
    & skf18("7","5","8","4","8","3","1") = "7"
    & skf18("7","5","8","4","8","4","1") = "7"
    & skf18("7","5","8","4","8","5","1") = "7"
    & skf18("7","5","8","4","8","6","1") = "7"
    & skf18("7","5","8","4","8","7","1") = "7"
    & skf18("7","5","8","4","8","8","1") = "7"
    & skf18("7","5","8","4","8","9","1") = "8"
    & skf18("7","5","8","4","8","10","1") = "9"
    & skf18("7","5","8","4","9","1","1") = "8"
    & skf18("7","5","8","4","9","2","1") = "8"
    & skf18("7","5","8","4","9","3","1") = "8"
    & skf18("7","5","8","4","9","4","1") = "8"
    & skf18("7","5","8","4","9","5","1") = "8"
    & skf18("7","5","8","4","9","6","1") = "8"
    & skf18("7","5","8","4","9","7","1") = "8"
    & skf18("7","5","8","4","9","8","1") = "8"
    & skf18("7","5","8","4","9","9","1") = "8"
    & skf18("7","5","8","4","9","10","1") = "9"
    & skf18("7","5","8","4","10","1","1") = "9"
    & skf18("7","5","8","4","10","2","1") = "9"
    & skf18("7","5","8","4","10","3","1") = "9"
    & skf18("7","5","8","4","10","4","1") = "9"
    & skf18("7","5","8","4","10","5","1") = "9"
    & skf18("7","5","8","4","10","6","1") = "9"
    & skf18("7","5","8","4","10","7","1") = "9"
    & skf18("7","5","8","4","10","8","1") = "9"
    & skf18("7","5","8","4","10","9","1") = "9"
    & skf18("7","5","8","4","10","10","1") = "9"
    & skf18("7","5","8","5","1","1","1") = "7"
    & skf18("7","5","8","5","1","2","1") = "7"
    & skf18("7","5","8","5","1","3","1") = "7"
    & skf18("7","5","8","5","1","4","1") = "7"
    & skf18("7","5","8","5","1","5","1") = "7"
    & skf18("7","5","8","5","1","6","1") = "7"
    & skf18("7","5","8","5","1","7","1") = "7"
    & skf18("7","5","8","5","1","8","1") = "7"
    & skf18("7","5","8","5","1","9","1") = "8"
    & skf18("7","5","8","5","1","10","1") = "9"
    & skf18("7","5","8","5","2","1","1") = "7"
    & skf18("7","5","8","5","2","2","1") = "7"
    & skf18("7","5","8","5","2","3","1") = "7"
    & skf18("7","5","8","5","2","4","1") = "7"
    & skf18("7","5","8","5","2","5","1") = "7"
    & skf18("7","5","8","5","2","6","1") = "7"
    & skf18("7","5","8","5","2","7","1") = "7"
    & skf18("7","5","8","5","2","8","1") = "7"
    & skf18("7","5","8","5","2","9","1") = "8"
    & skf18("7","5","8","5","2","10","1") = "9"
    & skf18("7","5","8","5","3","1","1") = "7"
    & skf18("7","5","8","5","3","2","1") = "7"
    & skf18("7","5","8","5","3","3","1") = "7"
    & skf18("7","5","8","5","3","4","1") = "7"
    & skf18("7","5","8","5","3","5","1") = "7"
    & skf18("7","5","8","5","3","6","1") = "7"
    & skf18("7","5","8","5","3","7","1") = "7"
    & skf18("7","5","8","5","3","8","1") = "7"
    & skf18("7","5","8","5","3","9","1") = "8"
    & skf18("7","5","8","5","3","10","1") = "9"
    & skf18("7","5","8","5","4","1","1") = "7"
    & skf18("7","5","8","5","4","2","1") = "7"
    & skf18("7","5","8","5","4","3","1") = "7"
    & skf18("7","5","8","5","4","4","1") = "7"
    & skf18("7","5","8","5","4","5","1") = "7"
    & skf18("7","5","8","5","4","6","1") = "7"
    & skf18("7","5","8","5","4","7","1") = "7"
    & skf18("7","5","8","5","4","8","1") = "7"
    & skf18("7","5","8","5","4","9","1") = "8"
    & skf18("7","5","8","5","4","10","1") = "9"
    & skf18("7","5","8","5","5","1","1") = "7"
    & skf18("7","5","8","5","5","2","1") = "7"
    & skf18("7","5","8","5","5","3","1") = "7"
    & skf18("7","5","8","5","5","4","1") = "7"
    & skf18("7","5","8","5","5","5","1") = "7"
    & skf18("7","5","8","5","5","6","1") = "7"
    & skf18("7","5","8","5","5","7","1") = "7"
    & skf18("7","5","8","5","5","8","1") = "7"
    & skf18("7","5","8","5","5","9","1") = "8"
    & skf18("7","5","8","5","5","10","1") = "9"
    & skf18("7","5","8","5","6","1","1") = "7"
    & skf18("7","5","8","5","6","2","1") = "7"
    & skf18("7","5","8","5","6","3","1") = "7"
    & skf18("7","5","8","5","6","4","1") = "7"
    & skf18("7","5","8","5","6","5","1") = "7"
    & skf18("7","5","8","5","6","6","1") = "7"
    & skf18("7","5","8","5","6","7","1") = "7"
    & skf18("7","5","8","5","6","8","1") = "7"
    & skf18("7","5","8","5","6","9","1") = "8"
    & skf18("7","5","8","5","6","10","1") = "9"
    & skf18("7","5","8","5","7","1","1") = "7"
    & skf18("7","5","8","5","7","2","1") = "7"
    & skf18("7","5","8","5","7","3","1") = "7"
    & skf18("7","5","8","5","7","4","1") = "7"
    & skf18("7","5","8","5","7","5","1") = "7"
    & skf18("7","5","8","5","7","6","1") = "7"
    & skf18("7","5","8","5","7","7","1") = "7"
    & skf18("7","5","8","5","7","8","1") = "7"
    & skf18("7","5","8","5","7","9","1") = "8"
    & skf18("7","5","8","5","7","10","1") = "9"
    & skf18("7","5","8","5","8","1","1") = "7"
    & skf18("7","5","8","5","8","2","1") = "7"
    & skf18("7","5","8","5","8","3","1") = "7"
    & skf18("7","5","8","5","8","4","1") = "7"
    & skf18("7","5","8","5","8","5","1") = "7"
    & skf18("7","5","8","5","8","6","1") = "7"
    & skf18("7","5","8","5","8","7","1") = "7"
    & skf18("7","5","8","5","8","8","1") = "7"
    & skf18("7","5","8","5","8","9","1") = "8"
    & skf18("7","5","8","5","8","10","1") = "9"
    & skf18("7","5","8","5","9","1","1") = "8"
    & skf18("7","5","8","5","9","2","1") = "8"
    & skf18("7","5","8","5","9","3","1") = "8"
    & skf18("7","5","8","5","9","4","1") = "8"
    & skf18("7","5","8","5","9","5","1") = "8"
    & skf18("7","5","8","5","9","6","1") = "8"
    & skf18("7","5","8","5","9","7","1") = "8"
    & skf18("7","5","8","5","9","8","1") = "8"
    & skf18("7","5","8","5","9","9","1") = "8"
    & skf18("7","5","8","5","9","10","1") = "9"
    & skf18("7","5","8","5","10","1","1") = "9"
    & skf18("7","5","8","5","10","2","1") = "9"
    & skf18("7","5","8","5","10","3","1") = "9"
    & skf18("7","5","8","5","10","4","1") = "9"
    & skf18("7","5","8","5","10","5","1") = "9"
    & skf18("7","5","8","5","10","6","1") = "9"
    & skf18("7","5","8","5","10","7","1") = "9"
    & skf18("7","5","8","5","10","8","1") = "9"
    & skf18("7","5","8","5","10","9","1") = "9"
    & skf18("7","5","8","5","10","10","1") = "9"
    & skf18("7","5","8","6","1","1","1") = "7"
    & skf18("7","5","8","6","1","2","1") = "7"
    & skf18("7","5","8","6","1","3","1") = "7"
    & skf18("7","5","8","6","1","4","1") = "7"
    & skf18("7","5","8","6","1","5","1") = "7"
    & skf18("7","5","8","6","1","6","1") = "7"
    & skf18("7","5","8","6","1","7","1") = "7"
    & skf18("7","5","8","6","1","8","1") = "7"
    & skf18("7","5","8","6","1","9","1") = "8"
    & skf18("7","5","8","6","1","10","1") = "9"
    & skf18("7","5","8","6","2","1","1") = "7"
    & skf18("7","5","8","6","2","2","1") = "7"
    & skf18("7","5","8","6","2","3","1") = "7"
    & skf18("7","5","8","6","2","4","1") = "7"
    & skf18("7","5","8","6","2","5","1") = "7"
    & skf18("7","5","8","6","2","6","1") = "7"
    & skf18("7","5","8","6","2","7","1") = "7"
    & skf18("7","5","8","6","2","8","1") = "7"
    & skf18("7","5","8","6","2","9","1") = "8"
    & skf18("7","5","8","6","2","10","1") = "9"
    & skf18("7","5","8","6","3","1","1") = "7"
    & skf18("7","5","8","6","3","2","1") = "7"
    & skf18("7","5","8","6","3","3","1") = "7"
    & skf18("7","5","8","6","3","4","1") = "7"
    & skf18("7","5","8","6","3","5","1") = "7"
    & skf18("7","5","8","6","3","6","1") = "7"
    & skf18("7","5","8","6","3","7","1") = "7"
    & skf18("7","5","8","6","3","8","1") = "7"
    & skf18("7","5","8","6","3","9","1") = "8"
    & skf18("7","5","8","6","3","10","1") = "9"
    & skf18("7","5","8","6","4","1","1") = "7"
    & skf18("7","5","8","6","4","2","1") = "7"
    & skf18("7","5","8","6","4","3","1") = "7"
    & skf18("7","5","8","6","4","4","1") = "7"
    & skf18("7","5","8","6","4","5","1") = "7"
    & skf18("7","5","8","6","4","6","1") = "7"
    & skf18("7","5","8","6","4","7","1") = "7"
    & skf18("7","5","8","6","4","8","1") = "7"
    & skf18("7","5","8","6","4","9","1") = "8"
    & skf18("7","5","8","6","4","10","1") = "9"
    & skf18("7","5","8","6","5","1","1") = "7"
    & skf18("7","5","8","6","5","2","1") = "7"
    & skf18("7","5","8","6","5","3","1") = "7"
    & skf18("7","5","8","6","5","4","1") = "7"
    & skf18("7","5","8","6","5","5","1") = "7"
    & skf18("7","5","8","6","5","6","1") = "7"
    & skf18("7","5","8","6","5","7","1") = "7"
    & skf18("7","5","8","6","5","8","1") = "7"
    & skf18("7","5","8","6","5","9","1") = "8"
    & skf18("7","5","8","6","5","10","1") = "9"
    & skf18("7","5","8","6","6","1","1") = "7"
    & skf18("7","5","8","6","6","2","1") = "7"
    & skf18("7","5","8","6","6","3","1") = "7"
    & skf18("7","5","8","6","6","4","1") = "7"
    & skf18("7","5","8","6","6","5","1") = "7"
    & skf18("7","5","8","6","6","6","1") = "7"
    & skf18("7","5","8","6","6","7","1") = "7"
    & skf18("7","5","8","6","6","8","1") = "7"
    & skf18("7","5","8","6","6","9","1") = "8"
    & skf18("7","5","8","6","6","10","1") = "9"
    & skf18("7","5","8","6","7","1","1") = "7"
    & skf18("7","5","8","6","7","2","1") = "7"
    & skf18("7","5","8","6","7","3","1") = "7"
    & skf18("7","5","8","6","7","4","1") = "7"
    & skf18("7","5","8","6","7","5","1") = "7"
    & skf18("7","5","8","6","7","6","1") = "7"
    & skf18("7","5","8","6","7","7","1") = "7"
    & skf18("7","5","8","6","7","8","1") = "7"
    & skf18("7","5","8","6","7","9","1") = "8"
    & skf18("7","5","8","6","7","10","1") = "9"
    & skf18("7","5","8","6","8","1","1") = "7"
    & skf18("7","5","8","6","8","2","1") = "7"
    & skf18("7","5","8","6","8","3","1") = "7"
    & skf18("7","5","8","6","8","4","1") = "7"
    & skf18("7","5","8","6","8","5","1") = "7"
    & skf18("7","5","8","6","8","6","1") = "7"
    & skf18("7","5","8","6","8","7","1") = "7"
    & skf18("7","5","8","6","8","8","1") = "7"
    & skf18("7","5","8","6","8","9","1") = "8"
    & skf18("7","5","8","6","8","10","1") = "9"
    & skf18("7","5","8","6","9","1","1") = "8"
    & skf18("7","5","8","6","9","2","1") = "8"
    & skf18("7","5","8","6","9","3","1") = "8"
    & skf18("7","5","8","6","9","4","1") = "8"
    & skf18("7","5","8","6","9","5","1") = "8"
    & skf18("7","5","8","6","9","6","1") = "8"
    & skf18("7","5","8","6","9","7","1") = "8"
    & skf18("7","5","8","6","9","8","1") = "8"
    & skf18("7","5","8","6","9","9","1") = "8"
    & skf18("7","5","8","6","9","10","1") = "9"
    & skf18("7","5","8","6","10","1","1") = "9"
    & skf18("7","5","8","6","10","2","1") = "9"
    & skf18("7","5","8","6","10","3","1") = "9"
    & skf18("7","5","8","6","10","4","1") = "9"
    & skf18("7","5","8","6","10","5","1") = "9"
    & skf18("7","5","8","6","10","6","1") = "9"
    & skf18("7","5","8","6","10","7","1") = "9"
    & skf18("7","5","8","6","10","8","1") = "9"
    & skf18("7","5","8","6","10","9","1") = "9"
    & skf18("7","5","8","6","10","10","1") = "9"
    & skf18("7","5","8","7","1","1","1") = "7"
    & skf18("7","5","8","7","1","2","1") = "7"
    & skf18("7","5","8","7","1","3","1") = "7"
    & skf18("7","5","8","7","1","4","1") = "7"
    & skf18("7","5","8","7","1","5","1") = "7"
    & skf18("7","5","8","7","1","6","1") = "7"
    & skf18("7","5","8","7","1","7","1") = "7"
    & skf18("7","5","8","7","1","8","1") = "7"
    & skf18("7","5","8","7","1","9","1") = "8"
    & skf18("7","5","8","7","1","10","1") = "9"
    & skf18("7","5","8","7","2","1","1") = "7"
    & skf18("7","5","8","7","2","2","1") = "7"
    & skf18("7","5","8","7","2","3","1") = "7"
    & skf18("7","5","8","7","2","4","1") = "7"
    & skf18("7","5","8","7","2","5","1") = "7"
    & skf18("7","5","8","7","2","6","1") = "7"
    & skf18("7","5","8","7","2","7","1") = "7"
    & skf18("7","5","8","7","2","8","1") = "7"
    & skf18("7","5","8","7","2","9","1") = "8"
    & skf18("7","5","8","7","2","10","1") = "9"
    & skf18("7","5","8","7","3","1","1") = "7"
    & skf18("7","5","8","7","3","2","1") = "7"
    & skf18("7","5","8","7","3","3","1") = "7"
    & skf18("7","5","8","7","3","4","1") = "7"
    & skf18("7","5","8","7","3","5","1") = "7"
    & skf18("7","5","8","7","3","6","1") = "7"
    & skf18("7","5","8","7","3","7","1") = "7"
    & skf18("7","5","8","7","3","8","1") = "7"
    & skf18("7","5","8","7","3","9","1") = "8"
    & skf18("7","5","8","7","3","10","1") = "9"
    & skf18("7","5","8","7","4","1","1") = "7"
    & skf18("7","5","8","7","4","2","1") = "7"
    & skf18("7","5","8","7","4","3","1") = "7"
    & skf18("7","5","8","7","4","4","1") = "7"
    & skf18("7","5","8","7","4","5","1") = "7"
    & skf18("7","5","8","7","4","6","1") = "7"
    & skf18("7","5","8","7","4","7","1") = "7"
    & skf18("7","5","8","7","4","8","1") = "7"
    & skf18("7","5","8","7","4","9","1") = "8"
    & skf18("7","5","8","7","4","10","1") = "9"
    & skf18("7","5","8","7","5","1","1") = "7"
    & skf18("7","5","8","7","5","2","1") = "7"
    & skf18("7","5","8","7","5","3","1") = "7"
    & skf18("7","5","8","7","5","4","1") = "7"
    & skf18("7","5","8","7","5","5","1") = "7"
    & skf18("7","5","8","7","5","6","1") = "7"
    & skf18("7","5","8","7","5","7","1") = "7"
    & skf18("7","5","8","7","5","8","1") = "7"
    & skf18("7","5","8","7","5","9","1") = "8"
    & skf18("7","5","8","7","5","10","1") = "9"
    & skf18("7","5","8","7","6","1","1") = "7"
    & skf18("7","5","8","7","6","2","1") = "7"
    & skf18("7","5","8","7","6","3","1") = "7"
    & skf18("7","5","8","7","6","4","1") = "7"
    & skf18("7","5","8","7","6","5","1") = "7"
    & skf18("7","5","8","7","6","6","1") = "7"
    & skf18("7","5","8","7","6","7","1") = "7"
    & skf18("7","5","8","7","6","8","1") = "7"
    & skf18("7","5","8","7","6","9","1") = "8"
    & skf18("7","5","8","7","6","10","1") = "9"
    & skf18("7","5","8","7","7","1","1") = "7"
    & skf18("7","5","8","7","7","2","1") = "7"
    & skf18("7","5","8","7","7","3","1") = "7"
    & skf18("7","5","8","7","7","4","1") = "7"
    & skf18("7","5","8","7","7","5","1") = "7"
    & skf18("7","5","8","7","7","6","1") = "7"
    & skf18("7","5","8","7","7","7","1") = "7"
    & skf18("7","5","8","7","7","8","1") = "7"
    & skf18("7","5","8","7","7","9","1") = "8"
    & skf18("7","5","8","7","7","10","1") = "9"
    & skf18("7","5","8","7","8","1","1") = "7"
    & skf18("7","5","8","7","8","2","1") = "7"
    & skf18("7","5","8","7","8","3","1") = "7"
    & skf18("7","5","8","7","8","4","1") = "7"
    & skf18("7","5","8","7","8","5","1") = "7"
    & skf18("7","5","8","7","8","6","1") = "7"
    & skf18("7","5","8","7","8","7","1") = "7"
    & skf18("7","5","8","7","8","8","1") = "7"
    & skf18("7","5","8","7","8","9","1") = "8"
    & skf18("7","5","8","7","8","10","1") = "9"
    & skf18("7","5","8","7","9","1","1") = "8"
    & skf18("7","5","8","7","9","2","1") = "8"
    & skf18("7","5","8","7","9","3","1") = "8"
    & skf18("7","5","8","7","9","4","1") = "8"
    & skf18("7","5","8","7","9","5","1") = "8"
    & skf18("7","5","8","7","9","6","1") = "8"
    & skf18("7","5","8","7","9","7","1") = "8"
    & skf18("7","5","8","7","9","8","1") = "8"
    & skf18("7","5","8","7","9","9","1") = "8"
    & skf18("7","5","8","7","9","10","1") = "9"
    & skf18("7","5","8","7","10","1","1") = "9"
    & skf18("7","5","8","7","10","2","1") = "9"
    & skf18("7","5","8","7","10","3","1") = "9"
    & skf18("7","5","8","7","10","4","1") = "9"
    & skf18("7","5","8","7","10","5","1") = "9"
    & skf18("7","5","8","7","10","6","1") = "9"
    & skf18("7","5","8","7","10","7","1") = "9"
    & skf18("7","5","8","7","10","8","1") = "9"
    & skf18("7","5","8","7","10","9","1") = "9"
    & skf18("7","5","8","7","10","10","1") = "9"
    & skf18("7","5","8","8","1","1","1") = "7"
    & skf18("7","5","8","8","1","2","1") = "7"
    & skf18("7","5","8","8","1","3","1") = "7"
    & skf18("7","5","8","8","1","4","1") = "7"
    & skf18("7","5","8","8","1","5","1") = "7"
    & skf18("7","5","8","8","1","6","1") = "7"
    & skf18("7","5","8","8","1","7","1") = "7"
    & skf18("7","5","8","8","1","8","1") = "7"
    & skf18("7","5","8","8","1","9","1") = "8"
    & skf18("7","5","8","8","1","10","1") = "9"
    & skf18("7","5","8","8","2","1","1") = "7"
    & skf18("7","5","8","8","2","2","1") = "7"
    & skf18("7","5","8","8","2","3","1") = "7"
    & skf18("7","5","8","8","2","4","1") = "7"
    & skf18("7","5","8","8","2","5","1") = "7"
    & skf18("7","5","8","8","2","6","1") = "7"
    & skf18("7","5","8","8","2","7","1") = "7"
    & skf18("7","5","8","8","2","8","1") = "7"
    & skf18("7","5","8","8","2","9","1") = "8"
    & skf18("7","5","8","8","2","10","1") = "9"
    & skf18("7","5","8","8","3","1","1") = "7"
    & skf18("7","5","8","8","3","2","1") = "7"
    & skf18("7","5","8","8","3","3","1") = "7"
    & skf18("7","5","8","8","3","4","1") = "7"
    & skf18("7","5","8","8","3","5","1") = "7"
    & skf18("7","5","8","8","3","6","1") = "7"
    & skf18("7","5","8","8","3","7","1") = "7"
    & skf18("7","5","8","8","3","8","1") = "7"
    & skf18("7","5","8","8","3","9","1") = "8"
    & skf18("7","5","8","8","3","10","1") = "9"
    & skf18("7","5","8","8","4","1","1") = "7"
    & skf18("7","5","8","8","4","2","1") = "7"
    & skf18("7","5","8","8","4","3","1") = "7"
    & skf18("7","5","8","8","4","4","1") = "7"
    & skf18("7","5","8","8","4","5","1") = "7"
    & skf18("7","5","8","8","4","6","1") = "7"
    & skf18("7","5","8","8","4","7","1") = "7"
    & skf18("7","5","8","8","4","8","1") = "7"
    & skf18("7","5","8","8","4","9","1") = "8"
    & skf18("7","5","8","8","4","10","1") = "9"
    & skf18("7","5","8","8","5","1","1") = "7"
    & skf18("7","5","8","8","5","2","1") = "7"
    & skf18("7","5","8","8","5","3","1") = "7"
    & skf18("7","5","8","8","5","4","1") = "7"
    & skf18("7","5","8","8","5","5","1") = "7"
    & skf18("7","5","8","8","5","6","1") = "7"
    & skf18("7","5","8","8","5","7","1") = "7"
    & skf18("7","5","8","8","5","8","1") = "7"
    & skf18("7","5","8","8","5","9","1") = "8"
    & skf18("7","5","8","8","5","10","1") = "9"
    & skf18("7","5","8","8","6","1","1") = "7"
    & skf18("7","5","8","8","6","2","1") = "7"
    & skf18("7","5","8","8","6","3","1") = "7"
    & skf18("7","5","8","8","6","4","1") = "7"
    & skf18("7","5","8","8","6","5","1") = "7"
    & skf18("7","5","8","8","6","6","1") = "7"
    & skf18("7","5","8","8","6","7","1") = "7"
    & skf18("7","5","8","8","6","8","1") = "7"
    & skf18("7","5","8","8","6","9","1") = "8"
    & skf18("7","5","8","8","6","10","1") = "9"
    & skf18("7","5","8","8","7","1","1") = "7"
    & skf18("7","5","8","8","7","2","1") = "7"
    & skf18("7","5","8","8","7","3","1") = "7"
    & skf18("7","5","8","8","7","4","1") = "7"
    & skf18("7","5","8","8","7","5","1") = "7"
    & skf18("7","5","8","8","7","6","1") = "7"
    & skf18("7","5","8","8","7","7","1") = "7"
    & skf18("7","5","8","8","7","8","1") = "7"
    & skf18("7","5","8","8","7","9","1") = "8"
    & skf18("7","5","8","8","7","10","1") = "9"
    & skf18("7","5","8","8","8","1","1") = "7"
    & skf18("7","5","8","8","8","2","1") = "7"
    & skf18("7","5","8","8","8","3","1") = "7"
    & skf18("7","5","8","8","8","4","1") = "7"
    & skf18("7","5","8","8","8","5","1") = "7"
    & skf18("7","5","8","8","8","6","1") = "7"
    & skf18("7","5","8","8","8","7","1") = "7"
    & skf18("7","5","8","8","8","8","1") = "7"
    & skf18("7","5","8","8","8","9","1") = "8"
    & skf18("7","5","8","8","8","10","1") = "9"
    & skf18("7","5","8","8","9","1","1") = "8"
    & skf18("7","5","8","8","9","2","1") = "8"
    & skf18("7","5","8","8","9","3","1") = "8"
    & skf18("7","5","8","8","9","4","1") = "8"
    & skf18("7","5","8","8","9","5","1") = "8"
    & skf18("7","5","8","8","9","6","1") = "8"
    & skf18("7","5","8","8","9","7","1") = "8"
    & skf18("7","5","8","8","9","8","1") = "8"
    & skf18("7","5","8","8","9","9","1") = "8"
    & skf18("7","5","8","8","9","10","1") = "9"
    & skf18("7","5","8","8","10","1","1") = "9"
    & skf18("7","5","8","8","10","2","1") = "9"
    & skf18("7","5","8","8","10","3","1") = "9"
    & skf18("7","5","8","8","10","4","1") = "9"
    & skf18("7","5","8","8","10","5","1") = "9"
    & skf18("7","5","8","8","10","6","1") = "9"
    & skf18("7","5","8","8","10","7","1") = "9"
    & skf18("7","5","8","8","10","8","1") = "9"
    & skf18("7","5","8","8","10","9","1") = "9"
    & skf18("7","5","8","8","10","10","1") = "9"
    & skf18("7","5","8","9","1","1","1") = "8"
    & skf18("7","5","8","9","1","2","1") = "8"
    & skf18("7","5","8","9","1","3","1") = "8"
    & skf18("7","5","8","9","1","4","1") = "8"
    & skf18("7","5","8","9","1","5","1") = "8"
    & skf18("7","5","8","9","1","6","1") = "8"
    & skf18("7","5","8","9","1","7","1") = "8"
    & skf18("7","5","8","9","1","8","1") = "8"
    & skf18("7","5","8","9","1","9","1") = "8"
    & skf18("7","5","8","9","1","10","1") = "9"
    & skf18("7","5","8","9","2","1","1") = "8"
    & skf18("7","5","8","9","2","2","1") = "8"
    & skf18("7","5","8","9","2","3","1") = "8"
    & skf18("7","5","8","9","2","4","1") = "8"
    & skf18("7","5","8","9","2","5","1") = "8"
    & skf18("7","5","8","9","2","6","1") = "8"
    & skf18("7","5","8","9","2","7","1") = "8"
    & skf18("7","5","8","9","2","8","1") = "8"
    & skf18("7","5","8","9","2","9","1") = "8"
    & skf18("7","5","8","9","2","10","1") = "9"
    & skf18("7","5","8","9","3","1","1") = "8"
    & skf18("7","5","8","9","3","2","1") = "8"
    & skf18("7","5","8","9","3","3","1") = "8"
    & skf18("7","5","8","9","3","4","1") = "8"
    & skf18("7","5","8","9","3","5","1") = "8"
    & skf18("7","5","8","9","3","6","1") = "8"
    & skf18("7","5","8","9","3","7","1") = "8"
    & skf18("7","5","8","9","3","8","1") = "8"
    & skf18("7","5","8","9","3","9","1") = "8"
    & skf18("7","5","8","9","3","10","1") = "9"
    & skf18("7","5","8","9","4","1","1") = "8"
    & skf18("7","5","8","9","4","2","1") = "8"
    & skf18("7","5","8","9","4","3","1") = "8"
    & skf18("7","5","8","9","4","4","1") = "8"
    & skf18("7","5","8","9","4","5","1") = "8"
    & skf18("7","5","8","9","4","6","1") = "8"
    & skf18("7","5","8","9","4","7","1") = "8"
    & skf18("7","5","8","9","4","8","1") = "8"
    & skf18("7","5","8","9","4","9","1") = "8"
    & skf18("7","5","8","9","4","10","1") = "9"
    & skf18("7","5","8","9","5","1","1") = "8"
    & skf18("7","5","8","9","5","2","1") = "8"
    & skf18("7","5","8","9","5","3","1") = "8"
    & skf18("7","5","8","9","5","4","1") = "8"
    & skf18("7","5","8","9","5","5","1") = "8"
    & skf18("7","5","8","9","5","6","1") = "8"
    & skf18("7","5","8","9","5","7","1") = "8"
    & skf18("7","5","8","9","5","8","1") = "8"
    & skf18("7","5","8","9","5","9","1") = "8"
    & skf18("7","5","8","9","5","10","1") = "9"
    & skf18("7","5","8","9","6","1","1") = "8"
    & skf18("7","5","8","9","6","2","1") = "8"
    & skf18("7","5","8","9","6","3","1") = "8"
    & skf18("7","5","8","9","6","4","1") = "8"
    & skf18("7","5","8","9","6","5","1") = "8"
    & skf18("7","5","8","9","6","6","1") = "8"
    & skf18("7","5","8","9","6","7","1") = "8"
    & skf18("7","5","8","9","6","8","1") = "8"
    & skf18("7","5","8","9","6","9","1") = "8"
    & skf18("7","5","8","9","6","10","1") = "9"
    & skf18("7","5","8","9","7","1","1") = "8"
    & skf18("7","5","8","9","7","2","1") = "8"
    & skf18("7","5","8","9","7","3","1") = "8"
    & skf18("7","5","8","9","7","4","1") = "8"
    & skf18("7","5","8","9","7","5","1") = "8"
    & skf18("7","5","8","9","7","6","1") = "8"
    & skf18("7","5","8","9","7","7","1") = "8"
    & skf18("7","5","8","9","7","8","1") = "8"
    & skf18("7","5","8","9","7","9","1") = "8"
    & skf18("7","5","8","9","7","10","1") = "9"
    & skf18("7","5","8","9","8","1","1") = "8"
    & skf18("7","5","8","9","8","2","1") = "8"
    & skf18("7","5","8","9","8","3","1") = "8"
    & skf18("7","5","8","9","8","4","1") = "8"
    & skf18("7","5","8","9","8","5","1") = "8"
    & skf18("7","5","8","9","8","6","1") = "8"
    & skf18("7","5","8","9","8","7","1") = "8"
    & skf18("7","5","8","9","8","8","1") = "8"
    & skf18("7","5","8","9","8","9","1") = "8"
    & skf18("7","5","8","9","8","10","1") = "9"
    & skf18("7","5","8","9","9","1","1") = "8"
    & skf18("7","5","8","9","9","2","1") = "8"
    & skf18("7","5","8","9","9","3","1") = "8"
    & skf18("7","5","8","9","9","4","1") = "8"
    & skf18("7","5","8","9","9","5","1") = "8"
    & skf18("7","5","8","9","9","6","1") = "8"
    & skf18("7","5","8","9","9","7","1") = "8"
    & skf18("7","5","8","9","9","8","1") = "8"
    & skf18("7","5","8","9","9","9","1") = "8"
    & skf18("7","5","8","9","9","10","1") = "9"
    & skf18("7","5","8","9","10","1","1") = "9"
    & skf18("7","5","8","9","10","2","1") = "9"
    & skf18("7","5","8","9","10","3","1") = "9"
    & skf18("7","5","8","9","10","4","1") = "9"
    & skf18("7","5","8","9","10","5","1") = "9"
    & skf18("7","5","8","9","10","6","1") = "9"
    & skf18("7","5","8","9","10","7","1") = "9"
    & skf18("7","5","8","9","10","8","1") = "9"
    & skf18("7","5","8","9","10","9","1") = "9"
    & skf18("7","5","8","9","10","10","1") = "9"
    & skf18("7","5","8","10","1","1","1") = "9"
    & skf18("7","5","8","10","1","2","1") = "9"
    & skf18("7","5","8","10","1","3","1") = "9"
    & skf18("7","5","8","10","1","4","1") = "9"
    & skf18("7","5","8","10","1","5","1") = "9"
    & skf18("7","5","8","10","1","6","1") = "9"
    & skf18("7","5","8","10","1","7","1") = "9"
    & skf18("7","5","8","10","1","8","1") = "9"
    & skf18("7","5","8","10","1","9","1") = "9"
    & skf18("7","5","8","10","1","10","1") = "9"
    & skf18("7","5","8","10","2","1","1") = "9"
    & skf18("7","5","8","10","2","2","1") = "9"
    & skf18("7","5","8","10","2","3","1") = "9"
    & skf18("7","5","8","10","2","4","1") = "9"
    & skf18("7","5","8","10","2","5","1") = "9"
    & skf18("7","5","8","10","2","6","1") = "9"
    & skf18("7","5","8","10","2","7","1") = "9"
    & skf18("7","5","8","10","2","8","1") = "9"
    & skf18("7","5","8","10","2","9","1") = "9"
    & skf18("7","5","8","10","2","10","1") = "9"
    & skf18("7","5","8","10","3","1","1") = "9"
    & skf18("7","5","8","10","3","2","1") = "9"
    & skf18("7","5","8","10","3","3","1") = "9"
    & skf18("7","5","8","10","3","4","1") = "9"
    & skf18("7","5","8","10","3","5","1") = "9"
    & skf18("7","5","8","10","3","6","1") = "9"
    & skf18("7","5","8","10","3","7","1") = "9"
    & skf18("7","5","8","10","3","8","1") = "9"
    & skf18("7","5","8","10","3","9","1") = "9"
    & skf18("7","5","8","10","3","10","1") = "9"
    & skf18("7","5","8","10","4","1","1") = "9"
    & skf18("7","5","8","10","4","2","1") = "9"
    & skf18("7","5","8","10","4","3","1") = "9"
    & skf18("7","5","8","10","4","4","1") = "9"
    & skf18("7","5","8","10","4","5","1") = "9"
    & skf18("7","5","8","10","4","6","1") = "9"
    & skf18("7","5","8","10","4","7","1") = "9"
    & skf18("7","5","8","10","4","8","1") = "9"
    & skf18("7","5","8","10","4","9","1") = "9"
    & skf18("7","5","8","10","4","10","1") = "9"
    & skf18("7","5","8","10","5","1","1") = "9"
    & skf18("7","5","8","10","5","2","1") = "9"
    & skf18("7","5","8","10","5","3","1") = "9"
    & skf18("7","5","8","10","5","4","1") = "9"
    & skf18("7","5","8","10","5","5","1") = "9"
    & skf18("7","5","8","10","5","6","1") = "9"
    & skf18("7","5","8","10","5","7","1") = "9"
    & skf18("7","5","8","10","5","8","1") = "9"
    & skf18("7","5","8","10","5","9","1") = "9"
    & skf18("7","5","8","10","5","10","1") = "9"
    & skf18("7","5","8","10","6","1","1") = "9"
    & skf18("7","5","8","10","6","2","1") = "9"
    & skf18("7","5","8","10","6","3","1") = "9"
    & skf18("7","5","8","10","6","4","1") = "9"
    & skf18("7","5","8","10","6","5","1") = "9"
    & skf18("7","5","8","10","6","6","1") = "9"
    & skf18("7","5","8","10","6","7","1") = "9"
    & skf18("7","5","8","10","6","8","1") = "9"
    & skf18("7","5","8","10","6","9","1") = "9"
    & skf18("7","5","8","10","6","10","1") = "9"
    & skf18("7","5","8","10","7","1","1") = "9"
    & skf18("7","5","8","10","7","2","1") = "9"
    & skf18("7","5","8","10","7","3","1") = "9"
    & skf18("7","5","8","10","7","4","1") = "9"
    & skf18("7","5","8","10","7","5","1") = "9"
    & skf18("7","5","8","10","7","6","1") = "9"
    & skf18("7","5","8","10","7","7","1") = "9"
    & skf18("7","5","8","10","7","8","1") = "9"
    & skf18("7","5","8","10","7","9","1") = "9"
    & skf18("7","5","8","10","7","10","1") = "9"
    & skf18("7","5","8","10","8","1","1") = "9"
    & skf18("7","5","8","10","8","2","1") = "9"
    & skf18("7","5","8","10","8","3","1") = "9"
    & skf18("7","5","8","10","8","4","1") = "9"
    & skf18("7","5","8","10","8","5","1") = "9"
    & skf18("7","5","8","10","8","6","1") = "9"
    & skf18("7","5","8","10","8","7","1") = "9"
    & skf18("7","5","8","10","8","8","1") = "9"
    & skf18("7","5","8","10","8","9","1") = "9"
    & skf18("7","5","8","10","8","10","1") = "9"
    & skf18("7","5","8","10","9","1","1") = "9"
    & skf18("7","5","8","10","9","2","1") = "9"
    & skf18("7","5","8","10","9","3","1") = "9"
    & skf18("7","5","8","10","9","4","1") = "9"
    & skf18("7","5","8","10","9","5","1") = "9"
    & skf18("7","5","8","10","9","6","1") = "9"
    & skf18("7","5","8","10","9","7","1") = "9"
    & skf18("7","5","8","10","9","8","1") = "9"
    & skf18("7","5","8","10","9","9","1") = "9"
    & skf18("7","5","8","10","9","10","1") = "9"
    & skf18("7","5","8","10","10","1","1") = "9"
    & skf18("7","5","8","10","10","2","1") = "9"
    & skf18("7","5","8","10","10","3","1") = "9"
    & skf18("7","5","8","10","10","4","1") = "9"
    & skf18("7","5","8","10","10","5","1") = "9"
    & skf18("7","5","8","10","10","6","1") = "9"
    & skf18("7","5","8","10","10","7","1") = "9"
    & skf18("7","5","8","10","10","8","1") = "9"
    & skf18("7","5","8","10","10","9","1") = "9"
    & skf18("7","5","8","10","10","10","1") = "9"
    & skf18("7","5","9","1","1","1","1") = "8"
    & skf18("7","5","9","1","1","2","1") = "8"
    & skf18("7","5","9","1","1","3","1") = "8"
    & skf18("7","5","9","1","1","4","1") = "8"
    & skf18("7","5","9","1","1","5","1") = "8"
    & skf18("7","5","9","1","1","6","1") = "8"
    & skf18("7","5","9","1","1","7","1") = "8"
    & skf18("7","5","9","1","1","8","1") = "8"
    & skf18("7","5","9","1","1","9","1") = "8"
    & skf18("7","5","9","1","1","10","1") = "9"
    & skf18("7","5","9","1","2","1","1") = "8"
    & skf18("7","5","9","1","2","2","1") = "8"
    & skf18("7","5","9","1","2","3","1") = "8"
    & skf18("7","5","9","1","2","4","1") = "8"
    & skf18("7","5","9","1","2","5","1") = "8"
    & skf18("7","5","9","1","2","6","1") = "8"
    & skf18("7","5","9","1","2","7","1") = "8"
    & skf18("7","5","9","1","2","8","1") = "8"
    & skf18("7","5","9","1","2","9","1") = "8"
    & skf18("7","5","9","1","2","10","1") = "9"
    & skf18("7","5","9","1","3","1","1") = "8"
    & skf18("7","5","9","1","3","2","1") = "8"
    & skf18("7","5","9","1","3","3","1") = "8"
    & skf18("7","5","9","1","3","4","1") = "8"
    & skf18("7","5","9","1","3","5","1") = "8"
    & skf18("7","5","9","1","3","6","1") = "8"
    & skf18("7","5","9","1","3","7","1") = "8"
    & skf18("7","5","9","1","3","8","1") = "8"
    & skf18("7","5","9","1","3","9","1") = "8"
    & skf18("7","5","9","1","3","10","1") = "9"
    & skf18("7","5","9","1","4","1","1") = "8"
    & skf18("7","5","9","1","4","2","1") = "8"
    & skf18("7","5","9","1","4","3","1") = "8"
    & skf18("7","5","9","1","4","4","1") = "8"
    & skf18("7","5","9","1","4","5","1") = "8"
    & skf18("7","5","9","1","4","6","1") = "8"
    & skf18("7","5","9","1","4","7","1") = "8"
    & skf18("7","5","9","1","4","8","1") = "8"
    & skf18("7","5","9","1","4","9","1") = "8"
    & skf18("7","5","9","1","4","10","1") = "9"
    & skf18("7","5","9","1","5","1","1") = "8"
    & skf18("7","5","9","1","5","2","1") = "8"
    & skf18("7","5","9","1","5","3","1") = "8"
    & skf18("7","5","9","1","5","4","1") = "8"
    & skf18("7","5","9","1","5","5","1") = "8"
    & skf18("7","5","9","1","5","6","1") = "8"
    & skf18("7","5","9","1","5","7","1") = "8"
    & skf18("7","5","9","1","5","8","1") = "8"
    & skf18("7","5","9","1","5","9","1") = "8"
    & skf18("7","5","9","1","5","10","1") = "9"
    & skf18("7","5","9","1","6","1","1") = "8"
    & skf18("7","5","9","1","6","2","1") = "8"
    & skf18("7","5","9","1","6","3","1") = "8"
    & skf18("7","5","9","1","6","4","1") = "8"
    & skf18("7","5","9","1","6","5","1") = "8"
    & skf18("7","5","9","1","6","6","1") = "8"
    & skf18("7","5","9","1","6","7","1") = "8"
    & skf18("7","5","9","1","6","8","1") = "8"
    & skf18("7","5","9","1","6","9","1") = "8"
    & skf18("7","5","9","1","6","10","1") = "9"
    & skf18("7","5","9","1","7","1","1") = "8"
    & skf18("7","5","9","1","7","2","1") = "8"
    & skf18("7","5","9","1","7","3","1") = "8"
    & skf18("7","5","9","1","7","4","1") = "8"
    & skf18("7","5","9","1","7","5","1") = "8"
    & skf18("7","5","9","1","7","6","1") = "8"
    & skf18("7","5","9","1","7","7","1") = "8"
    & skf18("7","5","9","1","7","8","1") = "8"
    & skf18("7","5","9","1","7","9","1") = "8"
    & skf18("7","5","9","1","7","10","1") = "9"
    & skf18("7","5","9","1","8","1","1") = "8"
    & skf18("7","5","9","1","8","2","1") = "8"
    & skf18("7","5","9","1","8","3","1") = "8"
    & skf18("7","5","9","1","8","4","1") = "8"
    & skf18("7","5","9","1","8","5","1") = "8"
    & skf18("7","5","9","1","8","6","1") = "8"
    & skf18("7","5","9","1","8","7","1") = "8"
    & skf18("7","5","9","1","8","8","1") = "8"
    & skf18("7","5","9","1","8","9","1") = "8"
    & skf18("7","5","9","1","8","10","1") = "9"
    & skf18("7","5","9","1","9","1","1") = "8"
    & skf18("7","5","9","1","9","2","1") = "8"
    & skf18("7","5","9","1","9","3","1") = "8"
    & skf18("7","5","9","1","9","4","1") = "8"
    & skf18("7","5","9","1","9","5","1") = "8"
    & skf18("7","5","9","1","9","6","1") = "8"
    & skf18("7","5","9","1","9","7","1") = "8"
    & skf18("7","5","9","1","9","8","1") = "8"
    & skf18("7","5","9","1","9","9","1") = "8"
    & skf18("7","5","9","1","9","10","1") = "9"
    & skf18("7","5","9","1","10","1","1") = "9"
    & skf18("7","5","9","1","10","2","1") = "9"
    & skf18("7","5","9","1","10","3","1") = "9"
    & skf18("7","5","9","1","10","4","1") = "9"
    & skf18("7","5","9","1","10","5","1") = "9"
    & skf18("7","5","9","1","10","6","1") = "9"
    & skf18("7","5","9","1","10","7","1") = "9"
    & skf18("7","5","9","1","10","8","1") = "9"
    & skf18("7","5","9","1","10","9","1") = "9"
    & skf18("7","5","9","1","10","10","1") = "9"
    & skf18("7","5","9","2","1","1","1") = "8"
    & skf18("7","5","9","2","1","2","1") = "8"
    & skf18("7","5","9","2","1","3","1") = "8"
    & skf18("7","5","9","2","1","4","1") = "8"
    & skf18("7","5","9","2","1","5","1") = "8"
    & skf18("7","5","9","2","1","6","1") = "8"
    & skf18("7","5","9","2","1","7","1") = "8"
    & skf18("7","5","9","2","1","8","1") = "8"
    & skf18("7","5","9","2","1","9","1") = "8"
    & skf18("7","5","9","2","1","10","1") = "9"
    & skf18("7","5","9","2","2","1","1") = "8"
    & skf18("7","5","9","2","2","2","1") = "8"
    & skf18("7","5","9","2","2","3","1") = "8"
    & skf18("7","5","9","2","2","4","1") = "8"
    & skf18("7","5","9","2","2","5","1") = "8"
    & skf18("7","5","9","2","2","6","1") = "8"
    & skf18("7","5","9","2","2","7","1") = "8"
    & skf18("7","5","9","2","2","8","1") = "8"
    & skf18("7","5","9","2","2","9","1") = "8"
    & skf18("7","5","9","2","2","10","1") = "9"
    & skf18("7","5","9","2","3","1","1") = "8"
    & skf18("7","5","9","2","3","2","1") = "8"
    & skf18("7","5","9","2","3","3","1") = "8"
    & skf18("7","5","9","2","3","4","1") = "8"
    & skf18("7","5","9","2","3","5","1") = "8"
    & skf18("7","5","9","2","3","6","1") = "8"
    & skf18("7","5","9","2","3","7","1") = "8"
    & skf18("7","5","9","2","3","8","1") = "8"
    & skf18("7","5","9","2","3","9","1") = "8"
    & skf18("7","5","9","2","3","10","1") = "9"
    & skf18("7","5","9","2","4","1","1") = "8"
    & skf18("7","5","9","2","4","2","1") = "8"
    & skf18("7","5","9","2","4","3","1") = "8"
    & skf18("7","5","9","2","4","4","1") = "8"
    & skf18("7","5","9","2","4","5","1") = "8"
    & skf18("7","5","9","2","4","6","1") = "8"
    & skf18("7","5","9","2","4","7","1") = "8"
    & skf18("7","5","9","2","4","8","1") = "8"
    & skf18("7","5","9","2","4","9","1") = "8"
    & skf18("7","5","9","2","4","10","1") = "9"
    & skf18("7","5","9","2","5","1","1") = "8"
    & skf18("7","5","9","2","5","2","1") = "8"
    & skf18("7","5","9","2","5","3","1") = "8"
    & skf18("7","5","9","2","5","4","1") = "8"
    & skf18("7","5","9","2","5","5","1") = "8"
    & skf18("7","5","9","2","5","6","1") = "8"
    & skf18("7","5","9","2","5","7","1") = "8"
    & skf18("7","5","9","2","5","8","1") = "8"
    & skf18("7","5","9","2","5","9","1") = "8"
    & skf18("7","5","9","2","5","10","1") = "9"
    & skf18("7","5","9","2","6","1","1") = "8"
    & skf18("7","5","9","2","6","2","1") = "8"
    & skf18("7","5","9","2","6","3","1") = "8"
    & skf18("7","5","9","2","6","4","1") = "8"
    & skf18("7","5","9","2","6","5","1") = "8"
    & skf18("7","5","9","2","6","6","1") = "8"
    & skf18("7","5","9","2","6","7","1") = "8"
    & skf18("7","5","9","2","6","8","1") = "8"
    & skf18("7","5","9","2","6","9","1") = "8"
    & skf18("7","5","9","2","6","10","1") = "9"
    & skf18("7","5","9","2","7","1","1") = "8"
    & skf18("7","5","9","2","7","2","1") = "8"
    & skf18("7","5","9","2","7","3","1") = "8"
    & skf18("7","5","9","2","7","4","1") = "8"
    & skf18("7","5","9","2","7","5","1") = "8"
    & skf18("7","5","9","2","7","6","1") = "8"
    & skf18("7","5","9","2","7","7","1") = "8"
    & skf18("7","5","9","2","7","8","1") = "8"
    & skf18("7","5","9","2","7","9","1") = "8"
    & skf18("7","5","9","2","7","10","1") = "9"
    & skf18("7","5","9","2","8","1","1") = "8"
    & skf18("7","5","9","2","8","2","1") = "8"
    & skf18("7","5","9","2","8","3","1") = "8"
    & skf18("7","5","9","2","8","4","1") = "8"
    & skf18("7","5","9","2","8","5","1") = "8"
    & skf18("7","5","9","2","8","6","1") = "8"
    & skf18("7","5","9","2","8","7","1") = "8"
    & skf18("7","5","9","2","8","8","1") = "8"
    & skf18("7","5","9","2","8","9","1") = "8"
    & skf18("7","5","9","2","8","10","1") = "9"
    & skf18("7","5","9","2","9","1","1") = "8"
    & skf18("7","5","9","2","9","2","1") = "8"
    & skf18("7","5","9","2","9","3","1") = "8"
    & skf18("7","5","9","2","9","4","1") = "8"
    & skf18("7","5","9","2","9","5","1") = "8"
    & skf18("7","5","9","2","9","6","1") = "8"
    & skf18("7","5","9","2","9","7","1") = "8"
    & skf18("7","5","9","2","9","8","1") = "8"
    & skf18("7","5","9","2","9","9","1") = "8"
    & skf18("7","5","9","2","9","10","1") = "9"
    & skf18("7","5","9","2","10","1","1") = "9"
    & skf18("7","5","9","2","10","2","1") = "9"
    & skf18("7","5","9","2","10","3","1") = "9"
    & skf18("7","5","9","2","10","4","1") = "9"
    & skf18("7","5","9","2","10","5","1") = "9"
    & skf18("7","5","9","2","10","6","1") = "9"
    & skf18("7","5","9","2","10","7","1") = "9"
    & skf18("7","5","9","2","10","8","1") = "9"
    & skf18("7","5","9","2","10","9","1") = "9"
    & skf18("7","5","9","2","10","10","1") = "9"
    & skf18("7","5","9","3","1","1","1") = "8"
    & skf18("7","5","9","3","1","2","1") = "8"
    & skf18("7","5","9","3","1","3","1") = "8"
    & skf18("7","5","9","3","1","4","1") = "8"
    & skf18("7","5","9","3","1","5","1") = "8"
    & skf18("7","5","9","3","1","6","1") = "8"
    & skf18("7","5","9","3","1","7","1") = "8"
    & skf18("7","5","9","3","1","8","1") = "8"
    & skf18("7","5","9","3","1","9","1") = "8"
    & skf18("7","5","9","3","1","10","1") = "9"
    & skf18("7","5","9","3","2","1","1") = "8"
    & skf18("7","5","9","3","2","2","1") = "8"
    & skf18("7","5","9","3","2","3","1") = "8"
    & skf18("7","5","9","3","2","4","1") = "8"
    & skf18("7","5","9","3","2","5","1") = "8"
    & skf18("7","5","9","3","2","6","1") = "8"
    & skf18("7","5","9","3","2","7","1") = "8"
    & skf18("7","5","9","3","2","8","1") = "8"
    & skf18("7","5","9","3","2","9","1") = "8"
    & skf18("7","5","9","3","2","10","1") = "9"
    & skf18("7","5","9","3","3","1","1") = "8"
    & skf18("7","5","9","3","3","2","1") = "8"
    & skf18("7","5","9","3","3","3","1") = "8"
    & skf18("7","5","9","3","3","4","1") = "8"
    & skf18("7","5","9","3","3","5","1") = "8"
    & skf18("7","5","9","3","3","6","1") = "8"
    & skf18("7","5","9","3","3","7","1") = "8"
    & skf18("7","5","9","3","3","8","1") = "8"
    & skf18("7","5","9","3","3","9","1") = "8"
    & skf18("7","5","9","3","3","10","1") = "9"
    & skf18("7","5","9","3","4","1","1") = "8"
    & skf18("7","5","9","3","4","2","1") = "8"
    & skf18("7","5","9","3","4","3","1") = "8"
    & skf18("7","5","9","3","4","4","1") = "8"
    & skf18("7","5","9","3","4","5","1") = "8"
    & skf18("7","5","9","3","4","6","1") = "8"
    & skf18("7","5","9","3","4","7","1") = "8"
    & skf18("7","5","9","3","4","8","1") = "8"
    & skf18("7","5","9","3","4","9","1") = "8"
    & skf18("7","5","9","3","4","10","1") = "9"
    & skf18("7","5","9","3","5","1","1") = "8"
    & skf18("7","5","9","3","5","2","1") = "8"
    & skf18("7","5","9","3","5","3","1") = "8"
    & skf18("7","5","9","3","5","4","1") = "8"
    & skf18("7","5","9","3","5","5","1") = "8"
    & skf18("7","5","9","3","5","6","1") = "8"
    & skf18("7","5","9","3","5","7","1") = "8"
    & skf18("7","5","9","3","5","8","1") = "8"
    & skf18("7","5","9","3","5","9","1") = "8"
    & skf18("7","5","9","3","5","10","1") = "9"
    & skf18("7","5","9","3","6","1","1") = "8"
    & skf18("7","5","9","3","6","2","1") = "8"
    & skf18("7","5","9","3","6","3","1") = "8"
    & skf18("7","5","9","3","6","4","1") = "8"
    & skf18("7","5","9","3","6","5","1") = "8"
    & skf18("7","5","9","3","6","6","1") = "8"
    & skf18("7","5","9","3","6","7","1") = "8"
    & skf18("7","5","9","3","6","8","1") = "8"
    & skf18("7","5","9","3","6","9","1") = "8"
    & skf18("7","5","9","3","6","10","1") = "9"
    & skf18("7","5","9","3","7","1","1") = "8"
    & skf18("7","5","9","3","7","2","1") = "8"
    & skf18("7","5","9","3","7","3","1") = "8"
    & skf18("7","5","9","3","7","4","1") = "8"
    & skf18("7","5","9","3","7","5","1") = "8"
    & skf18("7","5","9","3","7","6","1") = "8"
    & skf18("7","5","9","3","7","7","1") = "8"
    & skf18("7","5","9","3","7","8","1") = "8"
    & skf18("7","5","9","3","7","9","1") = "8"
    & skf18("7","5","9","3","7","10","1") = "9"
    & skf18("7","5","9","3","8","1","1") = "8"
    & skf18("7","5","9","3","8","2","1") = "8"
    & skf18("7","5","9","3","8","3","1") = "8"
    & skf18("7","5","9","3","8","4","1") = "8"
    & skf18("7","5","9","3","8","5","1") = "8"
    & skf18("7","5","9","3","8","6","1") = "8"
    & skf18("7","5","9","3","8","7","1") = "8"
    & skf18("7","5","9","3","8","8","1") = "8"
    & skf18("7","5","9","3","8","9","1") = "8"
    & skf18("7","5","9","3","8","10","1") = "9"
    & skf18("7","5","9","3","9","1","1") = "8"
    & skf18("7","5","9","3","9","2","1") = "8"
    & skf18("7","5","9","3","9","3","1") = "8"
    & skf18("7","5","9","3","9","4","1") = "8"
    & skf18("7","5","9","3","9","5","1") = "8"
    & skf18("7","5","9","3","9","6","1") = "8"
    & skf18("7","5","9","3","9","7","1") = "8"
    & skf18("7","5","9","3","9","8","1") = "8"
    & skf18("7","5","9","3","9","9","1") = "8"
    & skf18("7","5","9","3","9","10","1") = "9"
    & skf18("7","5","9","3","10","1","1") = "9"
    & skf18("7","5","9","3","10","2","1") = "9"
    & skf18("7","5","9","3","10","3","1") = "9"
    & skf18("7","5","9","3","10","4","1") = "9"
    & skf18("7","5","9","3","10","5","1") = "9"
    & skf18("7","5","9","3","10","6","1") = "9"
    & skf18("7","5","9","3","10","7","1") = "9"
    & skf18("7","5","9","3","10","8","1") = "9"
    & skf18("7","5","9","3","10","9","1") = "9"
    & skf18("7","5","9","3","10","10","1") = "9"
    & skf18("7","5","9","4","1","1","1") = "8"
    & skf18("7","5","9","4","1","2","1") = "8"
    & skf18("7","5","9","4","1","3","1") = "8"
    & skf18("7","5","9","4","1","4","1") = "8"
    & skf18("7","5","9","4","1","5","1") = "8"
    & skf18("7","5","9","4","1","6","1") = "8"
    & skf18("7","5","9","4","1","7","1") = "8"
    & skf18("7","5","9","4","1","8","1") = "8"
    & skf18("7","5","9","4","1","9","1") = "8"
    & skf18("7","5","9","4","1","10","1") = "9"
    & skf18("7","5","9","4","2","1","1") = "8"
    & skf18("7","5","9","4","2","2","1") = "8"
    & skf18("7","5","9","4","2","3","1") = "8"
    & skf18("7","5","9","4","2","4","1") = "8"
    & skf18("7","5","9","4","2","5","1") = "8"
    & skf18("7","5","9","4","2","6","1") = "8"
    & skf18("7","5","9","4","2","7","1") = "8"
    & skf18("7","5","9","4","2","8","1") = "8"
    & skf18("7","5","9","4","2","9","1") = "8"
    & skf18("7","5","9","4","2","10","1") = "9"
    & skf18("7","5","9","4","3","1","1") = "8"
    & skf18("7","5","9","4","3","2","1") = "8"
    & skf18("7","5","9","4","3","3","1") = "8"
    & skf18("7","5","9","4","3","4","1") = "8"
    & skf18("7","5","9","4","3","5","1") = "8"
    & skf18("7","5","9","4","3","6","1") = "8"
    & skf18("7","5","9","4","3","7","1") = "8"
    & skf18("7","5","9","4","3","8","1") = "8"
    & skf18("7","5","9","4","3","9","1") = "8"
    & skf18("7","5","9","4","3","10","1") = "9"
    & skf18("7","5","9","4","4","1","1") = "8"
    & skf18("7","5","9","4","4","2","1") = "8"
    & skf18("7","5","9","4","4","3","1") = "8"
    & skf18("7","5","9","4","4","4","1") = "8"
    & skf18("7","5","9","4","4","5","1") = "8"
    & skf18("7","5","9","4","4","6","1") = "8"
    & skf18("7","5","9","4","4","7","1") = "8"
    & skf18("7","5","9","4","4","8","1") = "8"
    & skf18("7","5","9","4","4","9","1") = "8"
    & skf18("7","5","9","4","4","10","1") = "9"
    & skf18("7","5","9","4","5","1","1") = "8"
    & skf18("7","5","9","4","5","2","1") = "8"
    & skf18("7","5","9","4","5","3","1") = "8"
    & skf18("7","5","9","4","5","4","1") = "8"
    & skf18("7","5","9","4","5","5","1") = "8"
    & skf18("7","5","9","4","5","6","1") = "8"
    & skf18("7","5","9","4","5","7","1") = "8"
    & skf18("7","5","9","4","5","8","1") = "8"
    & skf18("7","5","9","4","5","9","1") = "8"
    & skf18("7","5","9","4","5","10","1") = "9"
    & skf18("7","5","9","4","6","1","1") = "8"
    & skf18("7","5","9","4","6","2","1") = "8"
    & skf18("7","5","9","4","6","3","1") = "8"
    & skf18("7","5","9","4","6","4","1") = "8"
    & skf18("7","5","9","4","6","5","1") = "8"
    & skf18("7","5","9","4","6","6","1") = "8"
    & skf18("7","5","9","4","6","7","1") = "8"
    & skf18("7","5","9","4","6","8","1") = "8"
    & skf18("7","5","9","4","6","9","1") = "8"
    & skf18("7","5","9","4","6","10","1") = "9"
    & skf18("7","5","9","4","7","1","1") = "8"
    & skf18("7","5","9","4","7","2","1") = "8"
    & skf18("7","5","9","4","7","3","1") = "8"
    & skf18("7","5","9","4","7","4","1") = "8"
    & skf18("7","5","9","4","7","5","1") = "8"
    & skf18("7","5","9","4","7","6","1") = "8"
    & skf18("7","5","9","4","7","7","1") = "8"
    & skf18("7","5","9","4","7","8","1") = "8"
    & skf18("7","5","9","4","7","9","1") = "8"
    & skf18("7","5","9","4","7","10","1") = "9"
    & skf18("7","5","9","4","8","1","1") = "8"
    & skf18("7","5","9","4","8","2","1") = "8"
    & skf18("7","5","9","4","8","3","1") = "8"
    & skf18("7","5","9","4","8","4","1") = "8"
    & skf18("7","5","9","4","8","5","1") = "8"
    & skf18("7","5","9","4","8","6","1") = "8"
    & skf18("7","5","9","4","8","7","1") = "8"
    & skf18("7","5","9","4","8","8","1") = "8"
    & skf18("7","5","9","4","8","9","1") = "8"
    & skf18("7","5","9","4","8","10","1") = "9"
    & skf18("7","5","9","4","9","1","1") = "8"
    & skf18("7","5","9","4","9","2","1") = "8"
    & skf18("7","5","9","4","9","3","1") = "8"
    & skf18("7","5","9","4","9","4","1") = "8"
    & skf18("7","5","9","4","9","5","1") = "8"
    & skf18("7","5","9","4","9","6","1") = "8"
    & skf18("7","5","9","4","9","7","1") = "8"
    & skf18("7","5","9","4","9","8","1") = "8"
    & skf18("7","5","9","4","9","9","1") = "8"
    & skf18("7","5","9","4","9","10","1") = "9"
    & skf18("7","5","9","4","10","1","1") = "9"
    & skf18("7","5","9","4","10","2","1") = "9"
    & skf18("7","5","9","4","10","3","1") = "9"
    & skf18("7","5","9","4","10","4","1") = "9"
    & skf18("7","5","9","4","10","5","1") = "9"
    & skf18("7","5","9","4","10","6","1") = "9"
    & skf18("7","5","9","4","10","7","1") = "9"
    & skf18("7","5","9","4","10","8","1") = "9"
    & skf18("7","5","9","4","10","9","1") = "9"
    & skf18("7","5","9","4","10","10","1") = "9"
    & skf18("7","5","9","5","1","1","1") = "8"
    & skf18("7","5","9","5","1","2","1") = "8"
    & skf18("7","5","9","5","1","3","1") = "8"
    & skf18("7","5","9","5","1","4","1") = "8"
    & skf18("7","5","9","5","1","5","1") = "8"
    & skf18("7","5","9","5","1","6","1") = "8"
    & skf18("7","5","9","5","1","7","1") = "8"
    & skf18("7","5","9","5","1","8","1") = "8"
    & skf18("7","5","9","5","1","9","1") = "8"
    & skf18("7","5","9","5","1","10","1") = "9"
    & skf18("7","5","9","5","2","1","1") = "8"
    & skf18("7","5","9","5","2","2","1") = "8"
    & skf18("7","5","9","5","2","3","1") = "8"
    & skf18("7","5","9","5","2","4","1") = "8"
    & skf18("7","5","9","5","2","5","1") = "8"
    & skf18("7","5","9","5","2","6","1") = "8"
    & skf18("7","5","9","5","2","7","1") = "8"
    & skf18("7","5","9","5","2","8","1") = "8"
    & skf18("7","5","9","5","2","9","1") = "8"
    & skf18("7","5","9","5","2","10","1") = "9"
    & skf18("7","5","9","5","3","1","1") = "8"
    & skf18("7","5","9","5","3","2","1") = "8"
    & skf18("7","5","9","5","3","3","1") = "8"
    & skf18("7","5","9","5","3","4","1") = "8"
    & skf18("7","5","9","5","3","5","1") = "8"
    & skf18("7","5","9","5","3","6","1") = "8"
    & skf18("7","5","9","5","3","7","1") = "8"
    & skf18("7","5","9","5","3","8","1") = "8"
    & skf18("7","5","9","5","3","9","1") = "8"
    & skf18("7","5","9","5","3","10","1") = "9"
    & skf18("7","5","9","5","4","1","1") = "8"
    & skf18("7","5","9","5","4","2","1") = "8"
    & skf18("7","5","9","5","4","3","1") = "8"
    & skf18("7","5","9","5","4","4","1") = "8"
    & skf18("7","5","9","5","4","5","1") = "8"
    & skf18("7","5","9","5","4","6","1") = "8"
    & skf18("7","5","9","5","4","7","1") = "8"
    & skf18("7","5","9","5","4","8","1") = "8"
    & skf18("7","5","9","5","4","9","1") = "8"
    & skf18("7","5","9","5","4","10","1") = "9"
    & skf18("7","5","9","5","5","1","1") = "8"
    & skf18("7","5","9","5","5","2","1") = "8"
    & skf18("7","5","9","5","5","3","1") = "8"
    & skf18("7","5","9","5","5","4","1") = "8"
    & skf18("7","5","9","5","5","5","1") = "8"
    & skf18("7","5","9","5","5","6","1") = "8"
    & skf18("7","5","9","5","5","7","1") = "8"
    & skf18("7","5","9","5","5","8","1") = "8"
    & skf18("7","5","9","5","5","9","1") = "8"
    & skf18("7","5","9","5","5","10","1") = "9"
    & skf18("7","5","9","5","6","1","1") = "8"
    & skf18("7","5","9","5","6","2","1") = "8"
    & skf18("7","5","9","5","6","3","1") = "8"
    & skf18("7","5","9","5","6","4","1") = "8"
    & skf18("7","5","9","5","6","5","1") = "8"
    & skf18("7","5","9","5","6","6","1") = "8"
    & skf18("7","5","9","5","6","7","1") = "8"
    & skf18("7","5","9","5","6","8","1") = "8"
    & skf18("7","5","9","5","6","9","1") = "8"
    & skf18("7","5","9","5","6","10","1") = "9"
    & skf18("7","5","9","5","7","1","1") = "8"
    & skf18("7","5","9","5","7","2","1") = "8"
    & skf18("7","5","9","5","7","3","1") = "8"
    & skf18("7","5","9","5","7","4","1") = "8"
    & skf18("7","5","9","5","7","5","1") = "8"
    & skf18("7","5","9","5","7","6","1") = "8"
    & skf18("7","5","9","5","7","7","1") = "8"
    & skf18("7","5","9","5","7","8","1") = "8"
    & skf18("7","5","9","5","7","9","1") = "8"
    & skf18("7","5","9","5","7","10","1") = "9"
    & skf18("7","5","9","5","8","1","1") = "8"
    & skf18("7","5","9","5","8","2","1") = "8"
    & skf18("7","5","9","5","8","3","1") = "8"
    & skf18("7","5","9","5","8","4","1") = "8"
    & skf18("7","5","9","5","8","5","1") = "8"
    & skf18("7","5","9","5","8","6","1") = "8"
    & skf18("7","5","9","5","8","7","1") = "8"
    & skf18("7","5","9","5","8","8","1") = "8"
    & skf18("7","5","9","5","8","9","1") = "8"
    & skf18("7","5","9","5","8","10","1") = "9"
    & skf18("7","5","9","5","9","1","1") = "8"
    & skf18("7","5","9","5","9","2","1") = "8"
    & skf18("7","5","9","5","9","3","1") = "8"
    & skf18("7","5","9","5","9","4","1") = "8"
    & skf18("7","5","9","5","9","5","1") = "8"
    & skf18("7","5","9","5","9","6","1") = "8"
    & skf18("7","5","9","5","9","7","1") = "8"
    & skf18("7","5","9","5","9","8","1") = "8"
    & skf18("7","5","9","5","9","9","1") = "8"
    & skf18("7","5","9","5","9","10","1") = "9"
    & skf18("7","5","9","5","10","1","1") = "9"
    & skf18("7","5","9","5","10","2","1") = "9"
    & skf18("7","5","9","5","10","3","1") = "9"
    & skf18("7","5","9","5","10","4","1") = "9"
    & skf18("7","5","9","5","10","5","1") = "9"
    & skf18("7","5","9","5","10","6","1") = "9"
    & skf18("7","5","9","5","10","7","1") = "9"
    & skf18("7","5","9","5","10","8","1") = "9"
    & skf18("7","5","9","5","10","9","1") = "9"
    & skf18("7","5","9","5","10","10","1") = "9"
    & skf18("7","5","9","6","1","1","1") = "8"
    & skf18("7","5","9","6","1","2","1") = "8"
    & skf18("7","5","9","6","1","3","1") = "8"
    & skf18("7","5","9","6","1","4","1") = "8"
    & skf18("7","5","9","6","1","5","1") = "8"
    & skf18("7","5","9","6","1","6","1") = "8"
    & skf18("7","5","9","6","1","7","1") = "8"
    & skf18("7","5","9","6","1","8","1") = "8"
    & skf18("7","5","9","6","1","9","1") = "8"
    & skf18("7","5","9","6","1","10","1") = "9"
    & skf18("7","5","9","6","2","1","1") = "8"
    & skf18("7","5","9","6","2","2","1") = "8"
    & skf18("7","5","9","6","2","3","1") = "8"
    & skf18("7","5","9","6","2","4","1") = "8"
    & skf18("7","5","9","6","2","5","1") = "8"
    & skf18("7","5","9","6","2","6","1") = "8"
    & skf18("7","5","9","6","2","7","1") = "8"
    & skf18("7","5","9","6","2","8","1") = "8"
    & skf18("7","5","9","6","2","9","1") = "8"
    & skf18("7","5","9","6","2","10","1") = "9"
    & skf18("7","5","9","6","3","1","1") = "8"
    & skf18("7","5","9","6","3","2","1") = "8"
    & skf18("7","5","9","6","3","3","1") = "8"
    & skf18("7","5","9","6","3","4","1") = "8"
    & skf18("7","5","9","6","3","5","1") = "8"
    & skf18("7","5","9","6","3","6","1") = "8"
    & skf18("7","5","9","6","3","7","1") = "8"
    & skf18("7","5","9","6","3","8","1") = "8"
    & skf18("7","5","9","6","3","9","1") = "8"
    & skf18("7","5","9","6","3","10","1") = "9"
    & skf18("7","5","9","6","4","1","1") = "8"
    & skf18("7","5","9","6","4","2","1") = "8"
    & skf18("7","5","9","6","4","3","1") = "8"
    & skf18("7","5","9","6","4","4","1") = "8"
    & skf18("7","5","9","6","4","5","1") = "8"
    & skf18("7","5","9","6","4","6","1") = "8"
    & skf18("7","5","9","6","4","7","1") = "8"
    & skf18("7","5","9","6","4","8","1") = "8"
    & skf18("7","5","9","6","4","9","1") = "8"
    & skf18("7","5","9","6","4","10","1") = "9"
    & skf18("7","5","9","6","5","1","1") = "8"
    & skf18("7","5","9","6","5","2","1") = "8"
    & skf18("7","5","9","6","5","3","1") = "8"
    & skf18("7","5","9","6","5","4","1") = "8"
    & skf18("7","5","9","6","5","5","1") = "8"
    & skf18("7","5","9","6","5","6","1") = "8"
    & skf18("7","5","9","6","5","7","1") = "8"
    & skf18("7","5","9","6","5","8","1") = "8"
    & skf18("7","5","9","6","5","9","1") = "8"
    & skf18("7","5","9","6","5","10","1") = "9"
    & skf18("7","5","9","6","6","1","1") = "8"
    & skf18("7","5","9","6","6","2","1") = "8"
    & skf18("7","5","9","6","6","3","1") = "8"
    & skf18("7","5","9","6","6","4","1") = "8"
    & skf18("7","5","9","6","6","5","1") = "8"
    & skf18("7","5","9","6","6","6","1") = "8"
    & skf18("7","5","9","6","6","7","1") = "8"
    & skf18("7","5","9","6","6","8","1") = "8"
    & skf18("7","5","9","6","6","9","1") = "8"
    & skf18("7","5","9","6","6","10","1") = "9"
    & skf18("7","5","9","6","7","1","1") = "8"
    & skf18("7","5","9","6","7","2","1") = "8"
    & skf18("7","5","9","6","7","3","1") = "8"
    & skf18("7","5","9","6","7","4","1") = "8"
    & skf18("7","5","9","6","7","5","1") = "8"
    & skf18("7","5","9","6","7","6","1") = "8"
    & skf18("7","5","9","6","7","7","1") = "8"
    & skf18("7","5","9","6","7","8","1") = "8"
    & skf18("7","5","9","6","7","9","1") = "8"
    & skf18("7","5","9","6","7","10","1") = "9"
    & skf18("7","5","9","6","8","1","1") = "8"
    & skf18("7","5","9","6","8","2","1") = "8"
    & skf18("7","5","9","6","8","3","1") = "8"
    & skf18("7","5","9","6","8","4","1") = "8"
    & skf18("7","5","9","6","8","5","1") = "8"
    & skf18("7","5","9","6","8","6","1") = "8"
    & skf18("7","5","9","6","8","7","1") = "8"
    & skf18("7","5","9","6","8","8","1") = "8"
    & skf18("7","5","9","6","8","9","1") = "8"
    & skf18("7","5","9","6","8","10","1") = "9"
    & skf18("7","5","9","6","9","1","1") = "8"
    & skf18("7","5","9","6","9","2","1") = "8"
    & skf18("7","5","9","6","9","3","1") = "8"
    & skf18("7","5","9","6","9","4","1") = "8"
    & skf18("7","5","9","6","9","5","1") = "8"
    & skf18("7","5","9","6","9","6","1") = "8"
    & skf18("7","5","9","6","9","7","1") = "8"
    & skf18("7","5","9","6","9","8","1") = "8"
    & skf18("7","5","9","6","9","9","1") = "8"
    & skf18("7","5","9","6","9","10","1") = "9"
    & skf18("7","5","9","6","10","1","1") = "9"
    & skf18("7","5","9","6","10","2","1") = "9"
    & skf18("7","5","9","6","10","3","1") = "9"
    & skf18("7","5","9","6","10","4","1") = "9"
    & skf18("7","5","9","6","10","5","1") = "9"
    & skf18("7","5","9","6","10","6","1") = "9"
    & skf18("7","5","9","6","10","7","1") = "9"
    & skf18("7","5","9","6","10","8","1") = "9"
    & skf18("7","5","9","6","10","9","1") = "9"
    & skf18("7","5","9","6","10","10","1") = "9"
    & skf18("7","5","9","7","1","1","1") = "8"
    & skf18("7","5","9","7","1","2","1") = "8"
    & skf18("7","5","9","7","1","3","1") = "8"
    & skf18("7","5","9","7","1","4","1") = "8"
    & skf18("7","5","9","7","1","5","1") = "8"
    & skf18("7","5","9","7","1","6","1") = "8"
    & skf18("7","5","9","7","1","7","1") = "8"
    & skf18("7","5","9","7","1","8","1") = "8"
    & skf18("7","5","9","7","1","9","1") = "8"
    & skf18("7","5","9","7","1","10","1") = "9"
    & skf18("7","5","9","7","2","1","1") = "8"
    & skf18("7","5","9","7","2","2","1") = "8"
    & skf18("7","5","9","7","2","3","1") = "8"
    & skf18("7","5","9","7","2","4","1") = "8"
    & skf18("7","5","9","7","2","5","1") = "8"
    & skf18("7","5","9","7","2","6","1") = "8"
    & skf18("7","5","9","7","2","7","1") = "8"
    & skf18("7","5","9","7","2","8","1") = "8"
    & skf18("7","5","9","7","2","9","1") = "8"
    & skf18("7","5","9","7","2","10","1") = "9"
    & skf18("7","5","9","7","3","1","1") = "8"
    & skf18("7","5","9","7","3","2","1") = "8"
    & skf18("7","5","9","7","3","3","1") = "8"
    & skf18("7","5","9","7","3","4","1") = "8"
    & skf18("7","5","9","7","3","5","1") = "8"
    & skf18("7","5","9","7","3","6","1") = "8"
    & skf18("7","5","9","7","3","7","1") = "8"
    & skf18("7","5","9","7","3","8","1") = "8"
    & skf18("7","5","9","7","3","9","1") = "8"
    & skf18("7","5","9","7","3","10","1") = "9"
    & skf18("7","5","9","7","4","1","1") = "8"
    & skf18("7","5","9","7","4","2","1") = "8"
    & skf18("7","5","9","7","4","3","1") = "8"
    & skf18("7","5","9","7","4","4","1") = "8"
    & skf18("7","5","9","7","4","5","1") = "8"
    & skf18("7","5","9","7","4","6","1") = "8"
    & skf18("7","5","9","7","4","7","1") = "8"
    & skf18("7","5","9","7","4","8","1") = "8"
    & skf18("7","5","9","7","4","9","1") = "8"
    & skf18("7","5","9","7","4","10","1") = "9"
    & skf18("7","5","9","7","5","1","1") = "8"
    & skf18("7","5","9","7","5","2","1") = "8"
    & skf18("7","5","9","7","5","3","1") = "8"
    & skf18("7","5","9","7","5","4","1") = "8"
    & skf18("7","5","9","7","5","5","1") = "8"
    & skf18("7","5","9","7","5","6","1") = "8"
    & skf18("7","5","9","7","5","7","1") = "8"
    & skf18("7","5","9","7","5","8","1") = "8"
    & skf18("7","5","9","7","5","9","1") = "8"
    & skf18("7","5","9","7","5","10","1") = "9"
    & skf18("7","5","9","7","6","1","1") = "8"
    & skf18("7","5","9","7","6","2","1") = "8"
    & skf18("7","5","9","7","6","3","1") = "8"
    & skf18("7","5","9","7","6","4","1") = "8"
    & skf18("7","5","9","7","6","5","1") = "8"
    & skf18("7","5","9","7","6","6","1") = "8"
    & skf18("7","5","9","7","6","7","1") = "8"
    & skf18("7","5","9","7","6","8","1") = "8"
    & skf18("7","5","9","7","6","9","1") = "8"
    & skf18("7","5","9","7","6","10","1") = "9"
    & skf18("7","5","9","7","7","1","1") = "8"
    & skf18("7","5","9","7","7","2","1") = "8"
    & skf18("7","5","9","7","7","3","1") = "8"
    & skf18("7","5","9","7","7","4","1") = "8"
    & skf18("7","5","9","7","7","5","1") = "8"
    & skf18("7","5","9","7","7","6","1") = "8"
    & skf18("7","5","9","7","7","7","1") = "8"
    & skf18("7","5","9","7","7","8","1") = "8"
    & skf18("7","5","9","7","7","9","1") = "8"
    & skf18("7","5","9","7","7","10","1") = "9"
    & skf18("7","5","9","7","8","1","1") = "8"
    & skf18("7","5","9","7","8","2","1") = "8"
    & skf18("7","5","9","7","8","3","1") = "8"
    & skf18("7","5","9","7","8","4","1") = "8"
    & skf18("7","5","9","7","8","5","1") = "8"
    & skf18("7","5","9","7","8","6","1") = "8"
    & skf18("7","5","9","7","8","7","1") = "8"
    & skf18("7","5","9","7","8","8","1") = "8"
    & skf18("7","5","9","7","8","9","1") = "8"
    & skf18("7","5","9","7","8","10","1") = "9"
    & skf18("7","5","9","7","9","1","1") = "8"
    & skf18("7","5","9","7","9","2","1") = "8"
    & skf18("7","5","9","7","9","3","1") = "8"
    & skf18("7","5","9","7","9","4","1") = "8"
    & skf18("7","5","9","7","9","5","1") = "8"
    & skf18("7","5","9","7","9","6","1") = "8"
    & skf18("7","5","9","7","9","7","1") = "8"
    & skf18("7","5","9","7","9","8","1") = "8"
    & skf18("7","5","9","7","9","9","1") = "8"
    & skf18("7","5","9","7","9","10","1") = "9"
    & skf18("7","5","9","7","10","1","1") = "9"
    & skf18("7","5","9","7","10","2","1") = "9"
    & skf18("7","5","9","7","10","3","1") = "9"
    & skf18("7","5","9","7","10","4","1") = "9"
    & skf18("7","5","9","7","10","5","1") = "9"
    & skf18("7","5","9","7","10","6","1") = "9"
    & skf18("7","5","9","7","10","7","1") = "9"
    & skf18("7","5","9","7","10","8","1") = "9"
    & skf18("7","5","9","7","10","9","1") = "9"
    & skf18("7","5","9","7","10","10","1") = "9"
    & skf18("7","5","9","8","1","1","1") = "8"
    & skf18("7","5","9","8","1","2","1") = "8"
    & skf18("7","5","9","8","1","3","1") = "8"
    & skf18("7","5","9","8","1","4","1") = "8"
    & skf18("7","5","9","8","1","5","1") = "8"
    & skf18("7","5","9","8","1","6","1") = "8"
    & skf18("7","5","9","8","1","7","1") = "8"
    & skf18("7","5","9","8","1","8","1") = "8"
    & skf18("7","5","9","8","1","9","1") = "8"
    & skf18("7","5","9","8","1","10","1") = "9"
    & skf18("7","5","9","8","2","1","1") = "8"
    & skf18("7","5","9","8","2","2","1") = "8"
    & skf18("7","5","9","8","2","3","1") = "8"
    & skf18("7","5","9","8","2","4","1") = "8"
    & skf18("7","5","9","8","2","5","1") = "8"
    & skf18("7","5","9","8","2","6","1") = "8"
    & skf18("7","5","9","8","2","7","1") = "8"
    & skf18("7","5","9","8","2","8","1") = "8"
    & skf18("7","5","9","8","2","9","1") = "8"
    & skf18("7","5","9","8","2","10","1") = "9"
    & skf18("7","5","9","8","3","1","1") = "8"
    & skf18("7","5","9","8","3","2","1") = "8"
    & skf18("7","5","9","8","3","3","1") = "8"
    & skf18("7","5","9","8","3","4","1") = "8"
    & skf18("7","5","9","8","3","5","1") = "8"
    & skf18("7","5","9","8","3","6","1") = "8"
    & skf18("7","5","9","8","3","7","1") = "8"
    & skf18("7","5","9","8","3","8","1") = "8"
    & skf18("7","5","9","8","3","9","1") = "8"
    & skf18("7","5","9","8","3","10","1") = "9"
    & skf18("7","5","9","8","4","1","1") = "8"
    & skf18("7","5","9","8","4","2","1") = "8"
    & skf18("7","5","9","8","4","3","1") = "8"
    & skf18("7","5","9","8","4","4","1") = "8"
    & skf18("7","5","9","8","4","5","1") = "8"
    & skf18("7","5","9","8","4","6","1") = "8"
    & skf18("7","5","9","8","4","7","1") = "8"
    & skf18("7","5","9","8","4","8","1") = "8"
    & skf18("7","5","9","8","4","9","1") = "8"
    & skf18("7","5","9","8","4","10","1") = "9"
    & skf18("7","5","9","8","5","1","1") = "8"
    & skf18("7","5","9","8","5","2","1") = "8"
    & skf18("7","5","9","8","5","3","1") = "8"
    & skf18("7","5","9","8","5","4","1") = "8"
    & skf18("7","5","9","8","5","5","1") = "8"
    & skf18("7","5","9","8","5","6","1") = "8"
    & skf18("7","5","9","8","5","7","1") = "8"
    & skf18("7","5","9","8","5","8","1") = "8"
    & skf18("7","5","9","8","5","9","1") = "8"
    & skf18("7","5","9","8","5","10","1") = "9"
    & skf18("7","5","9","8","6","1","1") = "8"
    & skf18("7","5","9","8","6","2","1") = "8"
    & skf18("7","5","9","8","6","3","1") = "8"
    & skf18("7","5","9","8","6","4","1") = "8"
    & skf18("7","5","9","8","6","5","1") = "8"
    & skf18("7","5","9","8","6","6","1") = "8"
    & skf18("7","5","9","8","6","7","1") = "8"
    & skf18("7","5","9","8","6","8","1") = "8"
    & skf18("7","5","9","8","6","9","1") = "8"
    & skf18("7","5","9","8","6","10","1") = "9"
    & skf18("7","5","9","8","7","1","1") = "8"
    & skf18("7","5","9","8","7","2","1") = "8"
    & skf18("7","5","9","8","7","3","1") = "8"
    & skf18("7","5","9","8","7","4","1") = "8"
    & skf18("7","5","9","8","7","5","1") = "8"
    & skf18("7","5","9","8","7","6","1") = "8"
    & skf18("7","5","9","8","7","7","1") = "8"
    & skf18("7","5","9","8","7","8","1") = "8"
    & skf18("7","5","9","8","7","9","1") = "8"
    & skf18("7","5","9","8","7","10","1") = "9"
    & skf18("7","5","9","8","8","1","1") = "8"
    & skf18("7","5","9","8","8","2","1") = "8"
    & skf18("7","5","9","8","8","3","1") = "8"
    & skf18("7","5","9","8","8","4","1") = "8"
    & skf18("7","5","9","8","8","5","1") = "8"
    & skf18("7","5","9","8","8","6","1") = "8"
    & skf18("7","5","9","8","8","7","1") = "8"
    & skf18("7","5","9","8","8","8","1") = "8"
    & skf18("7","5","9","8","8","9","1") = "8"
    & skf18("7","5","9","8","8","10","1") = "9"
    & skf18("7","5","9","8","9","1","1") = "8"
    & skf18("7","5","9","8","9","2","1") = "8"
    & skf18("7","5","9","8","9","3","1") = "8"
    & skf18("7","5","9","8","9","4","1") = "8"
    & skf18("7","5","9","8","9","5","1") = "8"
    & skf18("7","5","9","8","9","6","1") = "8"
    & skf18("7","5","9","8","9","7","1") = "8"
    & skf18("7","5","9","8","9","8","1") = "8"
    & skf18("7","5","9","8","9","9","1") = "8"
    & skf18("7","5","9","8","9","10","1") = "9"
    & skf18("7","5","9","8","10","1","1") = "9"
    & skf18("7","5","9","8","10","2","1") = "9"
    & skf18("7","5","9","8","10","3","1") = "9"
    & skf18("7","5","9","8","10","4","1") = "9"
    & skf18("7","5","9","8","10","5","1") = "9"
    & skf18("7","5","9","8","10","6","1") = "9"
    & skf18("7","5","9","8","10","7","1") = "9"
    & skf18("7","5","9","8","10","8","1") = "9"
    & skf18("7","5","9","8","10","9","1") = "9"
    & skf18("7","5","9","8","10","10","1") = "9"
    & skf18("7","5","9","9","1","1","1") = "8"
    & skf18("7","5","9","9","1","2","1") = "8"
    & skf18("7","5","9","9","1","3","1") = "8"
    & skf18("7","5","9","9","1","4","1") = "8"
    & skf18("7","5","9","9","1","5","1") = "8"
    & skf18("7","5","9","9","1","6","1") = "8"
    & skf18("7","5","9","9","1","7","1") = "8"
    & skf18("7","5","9","9","1","8","1") = "8"
    & skf18("7","5","9","9","1","9","1") = "8"
    & skf18("7","5","9","9","1","10","1") = "9"
    & skf18("7","5","9","9","2","1","1") = "8"
    & skf18("7","5","9","9","2","2","1") = "8"
    & skf18("7","5","9","9","2","3","1") = "8"
    & skf18("7","5","9","9","2","4","1") = "8"
    & skf18("7","5","9","9","2","5","1") = "8"
    & skf18("7","5","9","9","2","6","1") = "8"
    & skf18("7","5","9","9","2","7","1") = "8"
    & skf18("7","5","9","9","2","8","1") = "8"
    & skf18("7","5","9","9","2","9","1") = "8"
    & skf18("7","5","9","9","2","10","1") = "9"
    & skf18("7","5","9","9","3","1","1") = "8"
    & skf18("7","5","9","9","3","2","1") = "8"
    & skf18("7","5","9","9","3","3","1") = "8"
    & skf18("7","5","9","9","3","4","1") = "8"
    & skf18("7","5","9","9","3","5","1") = "8"
    & skf18("7","5","9","9","3","6","1") = "8"
    & skf18("7","5","9","9","3","7","1") = "8"
    & skf18("7","5","9","9","3","8","1") = "8"
    & skf18("7","5","9","9","3","9","1") = "8"
    & skf18("7","5","9","9","3","10","1") = "9"
    & skf18("7","5","9","9","4","1","1") = "8"
    & skf18("7","5","9","9","4","2","1") = "8"
    & skf18("7","5","9","9","4","3","1") = "8"
    & skf18("7","5","9","9","4","4","1") = "8"
    & skf18("7","5","9","9","4","5","1") = "8"
    & skf18("7","5","9","9","4","6","1") = "8"
    & skf18("7","5","9","9","4","7","1") = "8"
    & skf18("7","5","9","9","4","8","1") = "8"
    & skf18("7","5","9","9","4","9","1") = "8"
    & skf18("7","5","9","9","4","10","1") = "9"
    & skf18("7","5","9","9","5","1","1") = "8"
    & skf18("7","5","9","9","5","2","1") = "8"
    & skf18("7","5","9","9","5","3","1") = "8"
    & skf18("7","5","9","9","5","4","1") = "8"
    & skf18("7","5","9","9","5","5","1") = "8"
    & skf18("7","5","9","9","5","6","1") = "8"
    & skf18("7","5","9","9","5","7","1") = "8"
    & skf18("7","5","9","9","5","8","1") = "8"
    & skf18("7","5","9","9","5","9","1") = "8"
    & skf18("7","5","9","9","5","10","1") = "9"
    & skf18("7","5","9","9","6","1","1") = "8"
    & skf18("7","5","9","9","6","2","1") = "8"
    & skf18("7","5","9","9","6","3","1") = "8"
    & skf18("7","5","9","9","6","4","1") = "8"
    & skf18("7","5","9","9","6","5","1") = "8"
    & skf18("7","5","9","9","6","6","1") = "8"
    & skf18("7","5","9","9","6","7","1") = "8"
    & skf18("7","5","9","9","6","8","1") = "8"
    & skf18("7","5","9","9","6","9","1") = "8"
    & skf18("7","5","9","9","6","10","1") = "9"
    & skf18("7","5","9","9","7","1","1") = "8"
    & skf18("7","5","9","9","7","2","1") = "8"
    & skf18("7","5","9","9","7","3","1") = "8"
    & skf18("7","5","9","9","7","4","1") = "8"
    & skf18("7","5","9","9","7","5","1") = "8"
    & skf18("7","5","9","9","7","6","1") = "8"
    & skf18("7","5","9","9","7","7","1") = "8"
    & skf18("7","5","9","9","7","8","1") = "8"
    & skf18("7","5","9","9","7","9","1") = "8"
    & skf18("7","5","9","9","7","10","1") = "9"
    & skf18("7","5","9","9","8","1","1") = "8"
    & skf18("7","5","9","9","8","2","1") = "8"
    & skf18("7","5","9","9","8","3","1") = "8"
    & skf18("7","5","9","9","8","4","1") = "8"
    & skf18("7","5","9","9","8","5","1") = "8"
    & skf18("7","5","9","9","8","6","1") = "8"
    & skf18("7","5","9","9","8","7","1") = "8"
    & skf18("7","5","9","9","8","8","1") = "8"
    & skf18("7","5","9","9","8","9","1") = "8"
    & skf18("7","5","9","9","8","10","1") = "9"
    & skf18("7","5","9","9","9","1","1") = "8"
    & skf18("7","5","9","9","9","2","1") = "8"
    & skf18("7","5","9","9","9","3","1") = "8"
    & skf18("7","5","9","9","9","4","1") = "8"
    & skf18("7","5","9","9","9","5","1") = "8"
    & skf18("7","5","9","9","9","6","1") = "8"
    & skf18("7","5","9","9","9","7","1") = "8"
    & skf18("7","5","9","9","9","8","1") = "8"
    & skf18("7","5","9","9","9","9","1") = "8"
    & skf18("7","5","9","9","9","10","1") = "9"
    & skf18("7","5","9","9","10","1","1") = "9"
    & skf18("7","5","9","9","10","2","1") = "9"
    & skf18("7","5","9","9","10","3","1") = "9"
    & skf18("7","5","9","9","10","4","1") = "9"
    & skf18("7","5","9","9","10","5","1") = "9"
    & skf18("7","5","9","9","10","6","1") = "9"
    & skf18("7","5","9","9","10","7","1") = "9"
    & skf18("7","5","9","9","10","8","1") = "9"
    & skf18("7","5","9","9","10","9","1") = "9"
    & skf18("7","5","9","9","10","10","1") = "9"
    & skf18("7","5","9","10","1","1","1") = "9"
    & skf18("7","5","9","10","1","2","1") = "9"
    & skf18("7","5","9","10","1","3","1") = "9"
    & skf18("7","5","9","10","1","4","1") = "9"
    & skf18("7","5","9","10","1","5","1") = "9"
    & skf18("7","5","9","10","1","6","1") = "9"
    & skf18("7","5","9","10","1","7","1") = "9"
    & skf18("7","5","9","10","1","8","1") = "9"
    & skf18("7","5","9","10","1","9","1") = "9"
    & skf18("7","5","9","10","1","10","1") = "9"
    & skf18("7","5","9","10","2","1","1") = "9"
    & skf18("7","5","9","10","2","2","1") = "9"
    & skf18("7","5","9","10","2","3","1") = "9"
    & skf18("7","5","9","10","2","4","1") = "9"
    & skf18("7","5","9","10","2","5","1") = "9"
    & skf18("7","5","9","10","2","6","1") = "9"
    & skf18("7","5","9","10","2","7","1") = "9"
    & skf18("7","5","9","10","2","8","1") = "9"
    & skf18("7","5","9","10","2","9","1") = "9"
    & skf18("7","5","9","10","2","10","1") = "9"
    & skf18("7","5","9","10","3","1","1") = "9"
    & skf18("7","5","9","10","3","2","1") = "9"
    & skf18("7","5","9","10","3","3","1") = "9"
    & skf18("7","5","9","10","3","4","1") = "9"
    & skf18("7","5","9","10","3","5","1") = "9"
    & skf18("7","5","9","10","3","6","1") = "9"
    & skf18("7","5","9","10","3","7","1") = "9"
    & skf18("7","5","9","10","3","8","1") = "9"
    & skf18("7","5","9","10","3","9","1") = "9"
    & skf18("7","5","9","10","3","10","1") = "9"
    & skf18("7","5","9","10","4","1","1") = "9"
    & skf18("7","5","9","10","4","2","1") = "9"
    & skf18("7","5","9","10","4","3","1") = "9"
    & skf18("7","5","9","10","4","4","1") = "9"
    & skf18("7","5","9","10","4","5","1") = "9"
    & skf18("7","5","9","10","4","6","1") = "9"
    & skf18("7","5","9","10","4","7","1") = "9"
    & skf18("7","5","9","10","4","8","1") = "9"
    & skf18("7","5","9","10","4","9","1") = "9"
    & skf18("7","5","9","10","4","10","1") = "9"
    & skf18("7","5","9","10","5","1","1") = "9"
    & skf18("7","5","9","10","5","2","1") = "9"
    & skf18("7","5","9","10","5","3","1") = "9"
    & skf18("7","5","9","10","5","4","1") = "9"
    & skf18("7","5","9","10","5","5","1") = "9"
    & skf18("7","5","9","10","5","6","1") = "9"
    & skf18("7","5","9","10","5","7","1") = "9"
    & skf18("7","5","9","10","5","8","1") = "9"
    & skf18("7","5","9","10","5","9","1") = "9"
    & skf18("7","5","9","10","5","10","1") = "9"
    & skf18("7","5","9","10","6","1","1") = "9"
    & skf18("7","5","9","10","6","2","1") = "9"
    & skf18("7","5","9","10","6","3","1") = "9"
    & skf18("7","5","9","10","6","4","1") = "9"
    & skf18("7","5","9","10","6","5","1") = "9"
    & skf18("7","5","9","10","6","6","1") = "9"
    & skf18("7","5","9","10","6","7","1") = "9"
    & skf18("7","5","9","10","6","8","1") = "9"
    & skf18("7","5","9","10","6","9","1") = "9"
    & skf18("7","5","9","10","6","10","1") = "9"
    & skf18("7","5","9","10","7","1","1") = "9"
    & skf18("7","5","9","10","7","2","1") = "9"
    & skf18("7","5","9","10","7","3","1") = "9"
    & skf18("7","5","9","10","7","4","1") = "9"
    & skf18("7","5","9","10","7","5","1") = "9"
    & skf18("7","5","9","10","7","6","1") = "9"
    & skf18("7","5","9","10","7","7","1") = "9"
    & skf18("7","5","9","10","7","8","1") = "9"
    & skf18("7","5","9","10","7","9","1") = "9"
    & skf18("7","5","9","10","7","10","1") = "9"
    & skf18("7","5","9","10","8","1","1") = "9"
    & skf18("7","5","9","10","8","2","1") = "9"
    & skf18("7","5","9","10","8","3","1") = "9"
    & skf18("7","5","9","10","8","4","1") = "9"
    & skf18("7","5","9","10","8","5","1") = "9"
    & skf18("7","5","9","10","8","6","1") = "9"
    & skf18("7","5","9","10","8","7","1") = "9"
    & skf18("7","5","9","10","8","8","1") = "9"
    & skf18("7","5","9","10","8","9","1") = "9"
    & skf18("7","5","9","10","8","10","1") = "9"
    & skf18("7","5","9","10","9","1","1") = "9"
    & skf18("7","5","9","10","9","2","1") = "9"
    & skf18("7","5","9","10","9","3","1") = "9"
    & skf18("7","5","9","10","9","4","1") = "9"
    & skf18("7","5","9","10","9","5","1") = "9"
    & skf18("7","5","9","10","9","6","1") = "9"
    & skf18("7","5","9","10","9","7","1") = "9"
    & skf18("7","5","9","10","9","8","1") = "9"
    & skf18("7","5","9","10","9","9","1") = "9"
    & skf18("7","5","9","10","9","10","1") = "9"
    & skf18("7","5","9","10","10","1","1") = "9"
    & skf18("7","5","9","10","10","2","1") = "9"
    & skf18("7","5","9","10","10","3","1") = "9"
    & skf18("7","5","9","10","10","4","1") = "9"
    & skf18("7","5","9","10","10","5","1") = "9"
    & skf18("7","5","9","10","10","6","1") = "9"
    & skf18("7","5","9","10","10","7","1") = "9"
    & skf18("7","5","9","10","10","8","1") = "9"
    & skf18("7","5","9","10","10","9","1") = "9"
    & skf18("7","5","9","10","10","10","1") = "9"
    & skf18("7","5","10","1","1","1","1") = "9"
    & skf18("7","5","10","1","1","2","1") = "9"
    & skf18("7","5","10","1","1","3","1") = "9"
    & skf18("7","5","10","1","1","4","1") = "9"
    & skf18("7","5","10","1","1","5","1") = "9"
    & skf18("7","5","10","1","1","6","1") = "9"
    & skf18("7","5","10","1","1","7","1") = "9"
    & skf18("7","5","10","1","1","8","1") = "9"
    & skf18("7","5","10","1","1","9","1") = "9"
    & skf18("7","5","10","1","1","10","1") = "9"
    & skf18("7","5","10","1","2","1","1") = "9"
    & skf18("7","5","10","1","2","2","1") = "9"
    & skf18("7","5","10","1","2","3","1") = "9"
    & skf18("7","5","10","1","2","4","1") = "9"
    & skf18("7","5","10","1","2","5","1") = "9"
    & skf18("7","5","10","1","2","6","1") = "9"
    & skf18("7","5","10","1","2","7","1") = "9"
    & skf18("7","5","10","1","2","8","1") = "9"
    & skf18("7","5","10","1","2","9","1") = "9"
    & skf18("7","5","10","1","2","10","1") = "9"
    & skf18("7","5","10","1","3","1","1") = "9"
    & skf18("7","5","10","1","3","2","1") = "9"
    & skf18("7","5","10","1","3","3","1") = "9"
    & skf18("7","5","10","1","3","4","1") = "9"
    & skf18("7","5","10","1","3","5","1") = "9"
    & skf18("7","5","10","1","3","6","1") = "9"
    & skf18("7","5","10","1","3","7","1") = "9"
    & skf18("7","5","10","1","3","8","1") = "9"
    & skf18("7","5","10","1","3","9","1") = "9"
    & skf18("7","5","10","1","3","10","1") = "9"
    & skf18("7","5","10","1","4","1","1") = "9"
    & skf18("7","5","10","1","4","2","1") = "9"
    & skf18("7","5","10","1","4","3","1") = "9"
    & skf18("7","5","10","1","4","4","1") = "9"
    & skf18("7","5","10","1","4","5","1") = "9"
    & skf18("7","5","10","1","4","6","1") = "9"
    & skf18("7","5","10","1","4","7","1") = "9"
    & skf18("7","5","10","1","4","8","1") = "9"
    & skf18("7","5","10","1","4","9","1") = "9"
    & skf18("7","5","10","1","4","10","1") = "9"
    & skf18("7","5","10","1","5","1","1") = "9"
    & skf18("7","5","10","1","5","2","1") = "9"
    & skf18("7","5","10","1","5","3","1") = "9"
    & skf18("7","5","10","1","5","4","1") = "9"
    & skf18("7","5","10","1","5","5","1") = "9"
    & skf18("7","5","10","1","5","6","1") = "9"
    & skf18("7","5","10","1","5","7","1") = "9"
    & skf18("7","5","10","1","5","8","1") = "9"
    & skf18("7","5","10","1","5","9","1") = "9"
    & skf18("7","5","10","1","5","10","1") = "9"
    & skf18("7","5","10","1","6","1","1") = "9"
    & skf18("7","5","10","1","6","2","1") = "9"
    & skf18("7","5","10","1","6","3","1") = "9"
    & skf18("7","5","10","1","6","4","1") = "9"
    & skf18("7","5","10","1","6","5","1") = "9"
    & skf18("7","5","10","1","6","6","1") = "9"
    & skf18("7","5","10","1","6","7","1") = "9"
    & skf18("7","5","10","1","6","8","1") = "9"
    & skf18("7","5","10","1","6","9","1") = "9"
    & skf18("7","5","10","1","6","10","1") = "9"
    & skf18("7","5","10","1","7","1","1") = "9"
    & skf18("7","5","10","1","7","2","1") = "9"
    & skf18("7","5","10","1","7","3","1") = "9"
    & skf18("7","5","10","1","7","4","1") = "9"
    & skf18("7","5","10","1","7","5","1") = "9"
    & skf18("7","5","10","1","7","6","1") = "9"
    & skf18("7","5","10","1","7","7","1") = "9"
    & skf18("7","5","10","1","7","8","1") = "9"
    & skf18("7","5","10","1","7","9","1") = "9"
    & skf18("7","5","10","1","7","10","1") = "9"
    & skf18("7","5","10","1","8","1","1") = "9"
    & skf18("7","5","10","1","8","2","1") = "9"
    & skf18("7","5","10","1","8","3","1") = "9"
    & skf18("7","5","10","1","8","4","1") = "9"
    & skf18("7","5","10","1","8","5","1") = "9"
    & skf18("7","5","10","1","8","6","1") = "9"
    & skf18("7","5","10","1","8","7","1") = "9"
    & skf18("7","5","10","1","8","8","1") = "9"
    & skf18("7","5","10","1","8","9","1") = "9"
    & skf18("7","5","10","1","8","10","1") = "9"
    & skf18("7","5","10","1","9","1","1") = "9"
    & skf18("7","5","10","1","9","2","1") = "9"
    & skf18("7","5","10","1","9","3","1") = "9"
    & skf18("7","5","10","1","9","4","1") = "9"
    & skf18("7","5","10","1","9","5","1") = "9"
    & skf18("7","5","10","1","9","6","1") = "9"
    & skf18("7","5","10","1","9","7","1") = "9"
    & skf18("7","5","10","1","9","8","1") = "9"
    & skf18("7","5","10","1","9","9","1") = "9"
    & skf18("7","5","10","1","9","10","1") = "9"
    & skf18("7","5","10","1","10","1","1") = "9"
    & skf18("7","5","10","1","10","2","1") = "9"
    & skf18("7","5","10","1","10","3","1") = "9"
    & skf18("7","5","10","1","10","4","1") = "9"
    & skf18("7","5","10","1","10","5","1") = "9"
    & skf18("7","5","10","1","10","6","1") = "9"
    & skf18("7","5","10","1","10","7","1") = "9"
    & skf18("7","5","10","1","10","8","1") = "9"
    & skf18("7","5","10","1","10","9","1") = "9"
    & skf18("7","5","10","1","10","10","1") = "9"
    & skf18("7","5","10","2","1","1","1") = "9"
    & skf18("7","5","10","2","1","2","1") = "9"
    & skf18("7","5","10","2","1","3","1") = "9"
    & skf18("7","5","10","2","1","4","1") = "9"
    & skf18("7","5","10","2","1","5","1") = "9"
    & skf18("7","5","10","2","1","6","1") = "9"
    & skf18("7","5","10","2","1","7","1") = "9"
    & skf18("7","5","10","2","1","8","1") = "9"
    & skf18("7","5","10","2","1","9","1") = "9"
    & skf18("7","5","10","2","1","10","1") = "9"
    & skf18("7","5","10","2","2","1","1") = "9"
    & skf18("7","5","10","2","2","2","1") = "9"
    & skf18("7","5","10","2","2","3","1") = "9"
    & skf18("7","5","10","2","2","4","1") = "9"
    & skf18("7","5","10","2","2","5","1") = "9"
    & skf18("7","5","10","2","2","6","1") = "9"
    & skf18("7","5","10","2","2","7","1") = "9"
    & skf18("7","5","10","2","2","8","1") = "9"
    & skf18("7","5","10","2","2","9","1") = "9"
    & skf18("7","5","10","2","2","10","1") = "9"
    & skf18("7","5","10","2","3","1","1") = "9"
    & skf18("7","5","10","2","3","2","1") = "9"
    & skf18("7","5","10","2","3","3","1") = "9"
    & skf18("7","5","10","2","3","4","1") = "9"
    & skf18("7","5","10","2","3","5","1") = "9"
    & skf18("7","5","10","2","3","6","1") = "9"
    & skf18("7","5","10","2","3","7","1") = "9"
    & skf18("7","5","10","2","3","8","1") = "9"
    & skf18("7","5","10","2","3","9","1") = "9"
    & skf18("7","5","10","2","3","10","1") = "9"
    & skf18("7","5","10","2","4","1","1") = "9"
    & skf18("7","5","10","2","4","2","1") = "9"
    & skf18("7","5","10","2","4","3","1") = "9"
    & skf18("7","5","10","2","4","4","1") = "9"
    & skf18("7","5","10","2","4","5","1") = "9"
    & skf18("7","5","10","2","4","6","1") = "9"
    & skf18("7","5","10","2","4","7","1") = "9"
    & skf18("7","5","10","2","4","8","1") = "9"
    & skf18("7","5","10","2","4","9","1") = "9"
    & skf18("7","5","10","2","4","10","1") = "9"
    & skf18("7","5","10","2","5","1","1") = "9"
    & skf18("7","5","10","2","5","2","1") = "9"
    & skf18("7","5","10","2","5","3","1") = "9"
    & skf18("7","5","10","2","5","4","1") = "9"
    & skf18("7","5","10","2","5","5","1") = "9"
    & skf18("7","5","10","2","5","6","1") = "9"
    & skf18("7","5","10","2","5","7","1") = "9"
    & skf18("7","5","10","2","5","8","1") = "9"
    & skf18("7","5","10","2","5","9","1") = "9"
    & skf18("7","5","10","2","5","10","1") = "9"
    & skf18("7","5","10","2","6","1","1") = "9"
    & skf18("7","5","10","2","6","2","1") = "9"
    & skf18("7","5","10","2","6","3","1") = "9"
    & skf18("7","5","10","2","6","4","1") = "9"
    & skf18("7","5","10","2","6","5","1") = "9"
    & skf18("7","5","10","2","6","6","1") = "9"
    & skf18("7","5","10","2","6","7","1") = "9"
    & skf18("7","5","10","2","6","8","1") = "9"
    & skf18("7","5","10","2","6","9","1") = "9"
    & skf18("7","5","10","2","6","10","1") = "9"
    & skf18("7","5","10","2","7","1","1") = "9"
    & skf18("7","5","10","2","7","2","1") = "9"
    & skf18("7","5","10","2","7","3","1") = "9"
    & skf18("7","5","10","2","7","4","1") = "9"
    & skf18("7","5","10","2","7","5","1") = "9"
    & skf18("7","5","10","2","7","6","1") = "9"
    & skf18("7","5","10","2","7","7","1") = "9"
    & skf18("7","5","10","2","7","8","1") = "9"
    & skf18("7","5","10","2","7","9","1") = "9"
    & skf18("7","5","10","2","7","10","1") = "9"
    & skf18("7","5","10","2","8","1","1") = "9"
    & skf18("7","5","10","2","8","2","1") = "9"
    & skf18("7","5","10","2","8","3","1") = "9"
    & skf18("7","5","10","2","8","4","1") = "9"
    & skf18("7","5","10","2","8","5","1") = "9"
    & skf18("7","5","10","2","8","6","1") = "9"
    & skf18("7","5","10","2","8","7","1") = "9"
    & skf18("7","5","10","2","8","8","1") = "9"
    & skf18("7","5","10","2","8","9","1") = "9"
    & skf18("7","5","10","2","8","10","1") = "9"
    & skf18("7","5","10","2","9","1","1") = "9"
    & skf18("7","5","10","2","9","2","1") = "9"
    & skf18("7","5","10","2","9","3","1") = "9"
    & skf18("7","5","10","2","9","4","1") = "9"
    & skf18("7","5","10","2","9","5","1") = "9"
    & skf18("7","5","10","2","9","6","1") = "9"
    & skf18("7","5","10","2","9","7","1") = "9"
    & skf18("7","5","10","2","9","8","1") = "9"
    & skf18("7","5","10","2","9","9","1") = "9"
    & skf18("7","5","10","2","9","10","1") = "9"
    & skf18("7","5","10","2","10","1","1") = "9"
    & skf18("7","5","10","2","10","2","1") = "9"
    & skf18("7","5","10","2","10","3","1") = "9"
    & skf18("7","5","10","2","10","4","1") = "9"
    & skf18("7","5","10","2","10","5","1") = "9"
    & skf18("7","5","10","2","10","6","1") = "9"
    & skf18("7","5","10","2","10","7","1") = "9"
    & skf18("7","5","10","2","10","8","1") = "9"
    & skf18("7","5","10","2","10","9","1") = "9"
    & skf18("7","5","10","2","10","10","1") = "9"
    & skf18("7","5","10","3","1","1","1") = "9"
    & skf18("7","5","10","3","1","2","1") = "9"
    & skf18("7","5","10","3","1","3","1") = "9"
    & skf18("7","5","10","3","1","4","1") = "9"
    & skf18("7","5","10","3","1","5","1") = "9"
    & skf18("7","5","10","3","1","6","1") = "9"
    & skf18("7","5","10","3","1","7","1") = "9"
    & skf18("7","5","10","3","1","8","1") = "9"
    & skf18("7","5","10","3","1","9","1") = "9"
    & skf18("7","5","10","3","1","10","1") = "9"
    & skf18("7","5","10","3","2","1","1") = "9"
    & skf18("7","5","10","3","2","2","1") = "9"
    & skf18("7","5","10","3","2","3","1") = "9"
    & skf18("7","5","10","3","2","4","1") = "9"
    & skf18("7","5","10","3","2","5","1") = "9"
    & skf18("7","5","10","3","2","6","1") = "9"
    & skf18("7","5","10","3","2","7","1") = "9"
    & skf18("7","5","10","3","2","8","1") = "9"
    & skf18("7","5","10","3","2","9","1") = "9"
    & skf18("7","5","10","3","2","10","1") = "9"
    & skf18("7","5","10","3","3","1","1") = "9"
    & skf18("7","5","10","3","3","2","1") = "9"
    & skf18("7","5","10","3","3","3","1") = "9"
    & skf18("7","5","10","3","3","4","1") = "9"
    & skf18("7","5","10","3","3","5","1") = "9"
    & skf18("7","5","10","3","3","6","1") = "9"
    & skf18("7","5","10","3","3","7","1") = "9"
    & skf18("7","5","10","3","3","8","1") = "9"
    & skf18("7","5","10","3","3","9","1") = "9"
    & skf18("7","5","10","3","3","10","1") = "9"
    & skf18("7","5","10","3","4","1","1") = "9"
    & skf18("7","5","10","3","4","2","1") = "9"
    & skf18("7","5","10","3","4","3","1") = "9"
    & skf18("7","5","10","3","4","4","1") = "9"
    & skf18("7","5","10","3","4","5","1") = "9"
    & skf18("7","5","10","3","4","6","1") = "9"
    & skf18("7","5","10","3","4","7","1") = "9"
    & skf18("7","5","10","3","4","8","1") = "9"
    & skf18("7","5","10","3","4","9","1") = "9"
    & skf18("7","5","10","3","4","10","1") = "9"
    & skf18("7","5","10","3","5","1","1") = "9"
    & skf18("7","5","10","3","5","2","1") = "9"
    & skf18("7","5","10","3","5","3","1") = "9"
    & skf18("7","5","10","3","5","4","1") = "9"
    & skf18("7","5","10","3","5","5","1") = "9"
    & skf18("7","5","10","3","5","6","1") = "9"
    & skf18("7","5","10","3","5","7","1") = "9"
    & skf18("7","5","10","3","5","8","1") = "9"
    & skf18("7","5","10","3","5","9","1") = "9"
    & skf18("7","5","10","3","5","10","1") = "9"
    & skf18("7","5","10","3","6","1","1") = "9"
    & skf18("7","5","10","3","6","2","1") = "9"
    & skf18("7","5","10","3","6","3","1") = "9"
    & skf18("7","5","10","3","6","4","1") = "9"
    & skf18("7","5","10","3","6","5","1") = "9"
    & skf18("7","5","10","3","6","6","1") = "9"
    & skf18("7","5","10","3","6","7","1") = "9"
    & skf18("7","5","10","3","6","8","1") = "9"
    & skf18("7","5","10","3","6","9","1") = "9"
    & skf18("7","5","10","3","6","10","1") = "9"
    & skf18("7","5","10","3","7","1","1") = "9"
    & skf18("7","5","10","3","7","2","1") = "9"
    & skf18("7","5","10","3","7","3","1") = "9"
    & skf18("7","5","10","3","7","4","1") = "9"
    & skf18("7","5","10","3","7","5","1") = "9"
    & skf18("7","5","10","3","7","6","1") = "9"
    & skf18("7","5","10","3","7","7","1") = "9"
    & skf18("7","5","10","3","7","8","1") = "9"
    & skf18("7","5","10","3","7","9","1") = "9"
    & skf18("7","5","10","3","7","10","1") = "9"
    & skf18("7","5","10","3","8","1","1") = "9"
    & skf18("7","5","10","3","8","2","1") = "9"
    & skf18("7","5","10","3","8","3","1") = "9"
    & skf18("7","5","10","3","8","4","1") = "9"
    & skf18("7","5","10","3","8","5","1") = "9"
    & skf18("7","5","10","3","8","6","1") = "9"
    & skf18("7","5","10","3","8","7","1") = "9"
    & skf18("7","5","10","3","8","8","1") = "9"
    & skf18("7","5","10","3","8","9","1") = "9"
    & skf18("7","5","10","3","8","10","1") = "9"
    & skf18("7","5","10","3","9","1","1") = "9"
    & skf18("7","5","10","3","9","2","1") = "9"
    & skf18("7","5","10","3","9","3","1") = "9"
    & skf18("7","5","10","3","9","4","1") = "9"
    & skf18("7","5","10","3","9","5","1") = "9"
    & skf18("7","5","10","3","9","6","1") = "9"
    & skf18("7","5","10","3","9","7","1") = "9"
    & skf18("7","5","10","3","9","8","1") = "9"
    & skf18("7","5","10","3","9","9","1") = "9"
    & skf18("7","5","10","3","9","10","1") = "9"
    & skf18("7","5","10","3","10","1","1") = "9"
    & skf18("7","5","10","3","10","2","1") = "9"
    & skf18("7","5","10","3","10","3","1") = "9"
    & skf18("7","5","10","3","10","4","1") = "9"
    & skf18("7","5","10","3","10","5","1") = "9"
    & skf18("7","5","10","3","10","6","1") = "9"
    & skf18("7","5","10","3","10","7","1") = "9"
    & skf18("7","5","10","3","10","8","1") = "9"
    & skf18("7","5","10","3","10","9","1") = "9"
    & skf18("7","5","10","3","10","10","1") = "9"
    & skf18("7","5","10","4","1","1","1") = "9"
    & skf18("7","5","10","4","1","2","1") = "9"
    & skf18("7","5","10","4","1","3","1") = "9"
    & skf18("7","5","10","4","1","4","1") = "9"
    & skf18("7","5","10","4","1","5","1") = "9"
    & skf18("7","5","10","4","1","6","1") = "9"
    & skf18("7","5","10","4","1","7","1") = "9"
    & skf18("7","5","10","4","1","8","1") = "9"
    & skf18("7","5","10","4","1","9","1") = "9"
    & skf18("7","5","10","4","1","10","1") = "9"
    & skf18("7","5","10","4","2","1","1") = "9"
    & skf18("7","5","10","4","2","2","1") = "9"
    & skf18("7","5","10","4","2","3","1") = "9"
    & skf18("7","5","10","4","2","4","1") = "9"
    & skf18("7","5","10","4","2","5","1") = "9"
    & skf18("7","5","10","4","2","6","1") = "9"
    & skf18("7","5","10","4","2","7","1") = "9"
    & skf18("7","5","10","4","2","8","1") = "9"
    & skf18("7","5","10","4","2","9","1") = "9"
    & skf18("7","5","10","4","2","10","1") = "9"
    & skf18("7","5","10","4","3","1","1") = "9"
    & skf18("7","5","10","4","3","2","1") = "9"
    & skf18("7","5","10","4","3","3","1") = "9"
    & skf18("7","5","10","4","3","4","1") = "9"
    & skf18("7","5","10","4","3","5","1") = "9"
    & skf18("7","5","10","4","3","6","1") = "9"
    & skf18("7","5","10","4","3","7","1") = "9"
    & skf18("7","5","10","4","3","8","1") = "9"
    & skf18("7","5","10","4","3","9","1") = "9"
    & skf18("7","5","10","4","3","10","1") = "9"
    & skf18("7","5","10","4","4","1","1") = "9"
    & skf18("7","5","10","4","4","2","1") = "9"
    & skf18("7","5","10","4","4","3","1") = "9"
    & skf18("7","5","10","4","4","4","1") = "9"
    & skf18("7","5","10","4","4","5","1") = "9"
    & skf18("7","5","10","4","4","6","1") = "9"
    & skf18("7","5","10","4","4","7","1") = "9"
    & skf18("7","5","10","4","4","8","1") = "9"
    & skf18("7","5","10","4","4","9","1") = "9"
    & skf18("7","5","10","4","4","10","1") = "9"
    & skf18("7","5","10","4","5","1","1") = "9"
    & skf18("7","5","10","4","5","2","1") = "9"
    & skf18("7","5","10","4","5","3","1") = "9"
    & skf18("7","5","10","4","5","4","1") = "9"
    & skf18("7","5","10","4","5","5","1") = "9"
    & skf18("7","5","10","4","5","6","1") = "9"
    & skf18("7","5","10","4","5","7","1") = "9"
    & skf18("7","5","10","4","5","8","1") = "9"
    & skf18("7","5","10","4","5","9","1") = "9"
    & skf18("7","5","10","4","5","10","1") = "9"
    & skf18("7","5","10","4","6","1","1") = "9"
    & skf18("7","5","10","4","6","2","1") = "9"
    & skf18("7","5","10","4","6","3","1") = "9"
    & skf18("7","5","10","4","6","4","1") = "9"
    & skf18("7","5","10","4","6","5","1") = "9"
    & skf18("7","5","10","4","6","6","1") = "9"
    & skf18("7","5","10","4","6","7","1") = "9"
    & skf18("7","5","10","4","6","8","1") = "9"
    & skf18("7","5","10","4","6","9","1") = "9"
    & skf18("7","5","10","4","6","10","1") = "9"
    & skf18("7","5","10","4","7","1","1") = "9"
    & skf18("7","5","10","4","7","2","1") = "9"
    & skf18("7","5","10","4","7","3","1") = "9"
    & skf18("7","5","10","4","7","4","1") = "9"
    & skf18("7","5","10","4","7","5","1") = "9"
    & skf18("7","5","10","4","7","6","1") = "9"
    & skf18("7","5","10","4","7","7","1") = "9"
    & skf18("7","5","10","4","7","8","1") = "9"
    & skf18("7","5","10","4","7","9","1") = "9"
    & skf18("7","5","10","4","7","10","1") = "9"
    & skf18("7","5","10","4","8","1","1") = "9"
    & skf18("7","5","10","4","8","2","1") = "9"
    & skf18("7","5","10","4","8","3","1") = "9"
    & skf18("7","5","10","4","8","4","1") = "9"
    & skf18("7","5","10","4","8","5","1") = "9"
    & skf18("7","5","10","4","8","6","1") = "9"
    & skf18("7","5","10","4","8","7","1") = "9"
    & skf18("7","5","10","4","8","8","1") = "9"
    & skf18("7","5","10","4","8","9","1") = "9"
    & skf18("7","5","10","4","8","10","1") = "9"
    & skf18("7","5","10","4","9","1","1") = "9"
    & skf18("7","5","10","4","9","2","1") = "9"
    & skf18("7","5","10","4","9","3","1") = "9"
    & skf18("7","5","10","4","9","4","1") = "9"
    & skf18("7","5","10","4","9","5","1") = "9"
    & skf18("7","5","10","4","9","6","1") = "9"
    & skf18("7","5","10","4","9","7","1") = "9"
    & skf18("7","5","10","4","9","8","1") = "9"
    & skf18("7","5","10","4","9","9","1") = "9"
    & skf18("7","5","10","4","9","10","1") = "9"
    & skf18("7","5","10","4","10","1","1") = "9"
    & skf18("7","5","10","4","10","2","1") = "9"
    & skf18("7","5","10","4","10","3","1") = "9"
    & skf18("7","5","10","4","10","4","1") = "9"
    & skf18("7","5","10","4","10","5","1") = "9"
    & skf18("7","5","10","4","10","6","1") = "9"
    & skf18("7","5","10","4","10","7","1") = "9"
    & skf18("7","5","10","4","10","8","1") = "9"
    & skf18("7","5","10","4","10","9","1") = "9"
    & skf18("7","5","10","4","10","10","1") = "9"
    & skf18("7","5","10","5","1","1","1") = "9"
    & skf18("7","5","10","5","1","2","1") = "9"
    & skf18("7","5","10","5","1","3","1") = "9"
    & skf18("7","5","10","5","1","4","1") = "9"
    & skf18("7","5","10","5","1","5","1") = "9"
    & skf18("7","5","10","5","1","6","1") = "9"
    & skf18("7","5","10","5","1","7","1") = "9"
    & skf18("7","5","10","5","1","8","1") = "9"
    & skf18("7","5","10","5","1","9","1") = "9"
    & skf18("7","5","10","5","1","10","1") = "9"
    & skf18("7","5","10","5","2","1","1") = "9"
    & skf18("7","5","10","5","2","2","1") = "9"
    & skf18("7","5","10","5","2","3","1") = "9"
    & skf18("7","5","10","5","2","4","1") = "9"
    & skf18("7","5","10","5","2","5","1") = "9"
    & skf18("7","5","10","5","2","6","1") = "9"
    & skf18("7","5","10","5","2","7","1") = "9"
    & skf18("7","5","10","5","2","8","1") = "9"
    & skf18("7","5","10","5","2","9","1") = "9"
    & skf18("7","5","10","5","2","10","1") = "9"
    & skf18("7","5","10","5","3","1","1") = "9"
    & skf18("7","5","10","5","3","2","1") = "9"
    & skf18("7","5","10","5","3","3","1") = "9"
    & skf18("7","5","10","5","3","4","1") = "9"
    & skf18("7","5","10","5","3","5","1") = "9"
    & skf18("7","5","10","5","3","6","1") = "9"
    & skf18("7","5","10","5","3","7","1") = "9"
    & skf18("7","5","10","5","3","8","1") = "9"
    & skf18("7","5","10","5","3","9","1") = "9"
    & skf18("7","5","10","5","3","10","1") = "9"
    & skf18("7","5","10","5","4","1","1") = "9"
    & skf18("7","5","10","5","4","2","1") = "9"
    & skf18("7","5","10","5","4","3","1") = "9"
    & skf18("7","5","10","5","4","4","1") = "9"
    & skf18("7","5","10","5","4","5","1") = "9"
    & skf18("7","5","10","5","4","6","1") = "9"
    & skf18("7","5","10","5","4","7","1") = "9"
    & skf18("7","5","10","5","4","8","1") = "9"
    & skf18("7","5","10","5","4","9","1") = "9"
    & skf18("7","5","10","5","4","10","1") = "9"
    & skf18("7","5","10","5","5","1","1") = "9"
    & skf18("7","5","10","5","5","2","1") = "9"
    & skf18("7","5","10","5","5","3","1") = "9"
    & skf18("7","5","10","5","5","4","1") = "9"
    & skf18("7","5","10","5","5","5","1") = "9"
    & skf18("7","5","10","5","5","6","1") = "9"
    & skf18("7","5","10","5","5","7","1") = "9"
    & skf18("7","5","10","5","5","8","1") = "9"
    & skf18("7","5","10","5","5","9","1") = "9"
    & skf18("7","5","10","5","5","10","1") = "9"
    & skf18("7","5","10","5","6","1","1") = "9"
    & skf18("7","5","10","5","6","2","1") = "9"
    & skf18("7","5","10","5","6","3","1") = "9"
    & skf18("7","5","10","5","6","4","1") = "9"
    & skf18("7","5","10","5","6","5","1") = "9"
    & skf18("7","5","10","5","6","6","1") = "9"
    & skf18("7","5","10","5","6","7","1") = "9"
    & skf18("7","5","10","5","6","8","1") = "9"
    & skf18("7","5","10","5","6","9","1") = "9"
    & skf18("7","5","10","5","6","10","1") = "9"
    & skf18("7","5","10","5","7","1","1") = "9"
    & skf18("7","5","10","5","7","2","1") = "9"
    & skf18("7","5","10","5","7","3","1") = "9"
    & skf18("7","5","10","5","7","4","1") = "9"
    & skf18("7","5","10","5","7","5","1") = "9"
    & skf18("7","5","10","5","7","6","1") = "9"
    & skf18("7","5","10","5","7","7","1") = "9"
    & skf18("7","5","10","5","7","8","1") = "9"
    & skf18("7","5","10","5","7","9","1") = "9"
    & skf18("7","5","10","5","7","10","1") = "9"
    & skf18("7","5","10","5","8","1","1") = "9"
    & skf18("7","5","10","5","8","2","1") = "9"
    & skf18("7","5","10","5","8","3","1") = "9"
    & skf18("7","5","10","5","8","4","1") = "9"
    & skf18("7","5","10","5","8","5","1") = "9"
    & skf18("7","5","10","5","8","6","1") = "9"
    & skf18("7","5","10","5","8","7","1") = "9"
    & skf18("7","5","10","5","8","8","1") = "9"
    & skf18("7","5","10","5","8","9","1") = "9"
    & skf18("7","5","10","5","8","10","1") = "9"
    & skf18("7","5","10","5","9","1","1") = "9"
    & skf18("7","5","10","5","9","2","1") = "9"
    & skf18("7","5","10","5","9","3","1") = "9"
    & skf18("7","5","10","5","9","4","1") = "9"
    & skf18("7","5","10","5","9","5","1") = "9"
    & skf18("7","5","10","5","9","6","1") = "9"
    & skf18("7","5","10","5","9","7","1") = "9"
    & skf18("7","5","10","5","9","8","1") = "9"
    & skf18("7","5","10","5","9","9","1") = "9"
    & skf18("7","5","10","5","9","10","1") = "9"
    & skf18("7","5","10","5","10","1","1") = "9"
    & skf18("7","5","10","5","10","2","1") = "9"
    & skf18("7","5","10","5","10","3","1") = "9"
    & skf18("7","5","10","5","10","4","1") = "9"
    & skf18("7","5","10","5","10","5","1") = "9"
    & skf18("7","5","10","5","10","6","1") = "9"
    & skf18("7","5","10","5","10","7","1") = "9"
    & skf18("7","5","10","5","10","8","1") = "9"
    & skf18("7","5","10","5","10","9","1") = "9"
    & skf18("7","5","10","5","10","10","1") = "9"
    & skf18("7","5","10","6","1","1","1") = "9"
    & skf18("7","5","10","6","1","2","1") = "9"
    & skf18("7","5","10","6","1","3","1") = "9"
    & skf18("7","5","10","6","1","4","1") = "9"
    & skf18("7","5","10","6","1","5","1") = "9"
    & skf18("7","5","10","6","1","6","1") = "9"
    & skf18("7","5","10","6","1","7","1") = "9"
    & skf18("7","5","10","6","1","8","1") = "9"
    & skf18("7","5","10","6","1","9","1") = "9"
    & skf18("7","5","10","6","1","10","1") = "9"
    & skf18("7","5","10","6","2","1","1") = "9"
    & skf18("7","5","10","6","2","2","1") = "9"
    & skf18("7","5","10","6","2","3","1") = "9"
    & skf18("7","5","10","6","2","4","1") = "9"
    & skf18("7","5","10","6","2","5","1") = "9"
    & skf18("7","5","10","6","2","6","1") = "9"
    & skf18("7","5","10","6","2","7","1") = "9"
    & skf18("7","5","10","6","2","8","1") = "9"
    & skf18("7","5","10","6","2","9","1") = "9"
    & skf18("7","5","10","6","2","10","1") = "9"
    & skf18("7","5","10","6","3","1","1") = "9"
    & skf18("7","5","10","6","3","2","1") = "9"
    & skf18("7","5","10","6","3","3","1") = "9"
    & skf18("7","5","10","6","3","4","1") = "9"
    & skf18("7","5","10","6","3","5","1") = "9"
    & skf18("7","5","10","6","3","6","1") = "9"
    & skf18("7","5","10","6","3","7","1") = "9"
    & skf18("7","5","10","6","3","8","1") = "9"
    & skf18("7","5","10","6","3","9","1") = "9"
    & skf18("7","5","10","6","3","10","1") = "9"
    & skf18("7","5","10","6","4","1","1") = "9"
    & skf18("7","5","10","6","4","2","1") = "9"
    & skf18("7","5","10","6","4","3","1") = "9"
    & skf18("7","5","10","6","4","4","1") = "9"
    & skf18("7","5","10","6","4","5","1") = "9"
    & skf18("7","5","10","6","4","6","1") = "9"
    & skf18("7","5","10","6","4","7","1") = "9"
    & skf18("7","5","10","6","4","8","1") = "9"
    & skf18("7","5","10","6","4","9","1") = "9"
    & skf18("7","5","10","6","4","10","1") = "9"
    & skf18("7","5","10","6","5","1","1") = "9"
    & skf18("7","5","10","6","5","2","1") = "9"
    & skf18("7","5","10","6","5","3","1") = "9"
    & skf18("7","5","10","6","5","4","1") = "9"
    & skf18("7","5","10","6","5","5","1") = "9"
    & skf18("7","5","10","6","5","6","1") = "9"
    & skf18("7","5","10","6","5","7","1") = "9"
    & skf18("7","5","10","6","5","8","1") = "9"
    & skf18("7","5","10","6","5","9","1") = "9"
    & skf18("7","5","10","6","5","10","1") = "9"
    & skf18("7","5","10","6","6","1","1") = "9"
    & skf18("7","5","10","6","6","2","1") = "9"
    & skf18("7","5","10","6","6","3","1") = "9"
    & skf18("7","5","10","6","6","4","1") = "9"
    & skf18("7","5","10","6","6","5","1") = "9"
    & skf18("7","5","10","6","6","6","1") = "9"
    & skf18("7","5","10","6","6","7","1") = "9"
    & skf18("7","5","10","6","6","8","1") = "9"
    & skf18("7","5","10","6","6","9","1") = "9"
    & skf18("7","5","10","6","6","10","1") = "9"
    & skf18("7","5","10","6","7","1","1") = "9"
    & skf18("7","5","10","6","7","2","1") = "9"
    & skf18("7","5","10","6","7","3","1") = "9"
    & skf18("7","5","10","6","7","4","1") = "9"
    & skf18("7","5","10","6","7","5","1") = "9"
    & skf18("7","5","10","6","7","6","1") = "9"
    & skf18("7","5","10","6","7","7","1") = "9"
    & skf18("7","5","10","6","7","8","1") = "9"
    & skf18("7","5","10","6","7","9","1") = "9"
    & skf18("7","5","10","6","7","10","1") = "9"
    & skf18("7","5","10","6","8","1","1") = "9"
    & skf18("7","5","10","6","8","2","1") = "9"
    & skf18("7","5","10","6","8","3","1") = "9"
    & skf18("7","5","10","6","8","4","1") = "9"
    & skf18("7","5","10","6","8","5","1") = "9"
    & skf18("7","5","10","6","8","6","1") = "9"
    & skf18("7","5","10","6","8","7","1") = "9"
    & skf18("7","5","10","6","8","8","1") = "9"
    & skf18("7","5","10","6","8","9","1") = "9"
    & skf18("7","5","10","6","8","10","1") = "9"
    & skf18("7","5","10","6","9","1","1") = "9"
    & skf18("7","5","10","6","9","2","1") = "9"
    & skf18("7","5","10","6","9","3","1") = "9"
    & skf18("7","5","10","6","9","4","1") = "9"
    & skf18("7","5","10","6","9","5","1") = "9"
    & skf18("7","5","10","6","9","6","1") = "9"
    & skf18("7","5","10","6","9","7","1") = "9"
    & skf18("7","5","10","6","9","8","1") = "9"
    & skf18("7","5","10","6","9","9","1") = "9"
    & skf18("7","5","10","6","9","10","1") = "9"
    & skf18("7","5","10","6","10","1","1") = "9"
    & skf18("7","5","10","6","10","2","1") = "9"
    & skf18("7","5","10","6","10","3","1") = "9"
    & skf18("7","5","10","6","10","4","1") = "9"
    & skf18("7","5","10","6","10","5","1") = "9"
    & skf18("7","5","10","6","10","6","1") = "9"
    & skf18("7","5","10","6","10","7","1") = "9"
    & skf18("7","5","10","6","10","8","1") = "9"
    & skf18("7","5","10","6","10","9","1") = "9"
    & skf18("7","5","10","6","10","10","1") = "9"
    & skf18("7","5","10","7","1","1","1") = "9"
    & skf18("7","5","10","7","1","2","1") = "9"
    & skf18("7","5","10","7","1","3","1") = "9"
    & skf18("7","5","10","7","1","4","1") = "9"
    & skf18("7","5","10","7","1","5","1") = "9"
    & skf18("7","5","10","7","1","6","1") = "9"
    & skf18("7","5","10","7","1","7","1") = "9"
    & skf18("7","5","10","7","1","8","1") = "9"
    & skf18("7","5","10","7","1","9","1") = "9"
    & skf18("7","5","10","7","1","10","1") = "9"
    & skf18("7","5","10","7","2","1","1") = "9"
    & skf18("7","5","10","7","2","2","1") = "9"
    & skf18("7","5","10","7","2","3","1") = "9"
    & skf18("7","5","10","7","2","4","1") = "9"
    & skf18("7","5","10","7","2","5","1") = "9"
    & skf18("7","5","10","7","2","6","1") = "9"
    & skf18("7","5","10","7","2","7","1") = "9"
    & skf18("7","5","10","7","2","8","1") = "9"
    & skf18("7","5","10","7","2","9","1") = "9"
    & skf18("7","5","10","7","2","10","1") = "9"
    & skf18("7","5","10","7","3","1","1") = "9"
    & skf18("7","5","10","7","3","2","1") = "9"
    & skf18("7","5","10","7","3","3","1") = "9"
    & skf18("7","5","10","7","3","4","1") = "9"
    & skf18("7","5","10","7","3","5","1") = "9"
    & skf18("7","5","10","7","3","6","1") = "9"
    & skf18("7","5","10","7","3","7","1") = "9"
    & skf18("7","5","10","7","3","8","1") = "9"
    & skf18("7","5","10","7","3","9","1") = "9"
    & skf18("7","5","10","7","3","10","1") = "9"
    & skf18("7","5","10","7","4","1","1") = "9"
    & skf18("7","5","10","7","4","2","1") = "9"
    & skf18("7","5","10","7","4","3","1") = "9"
    & skf18("7","5","10","7","4","4","1") = "9"
    & skf18("7","5","10","7","4","5","1") = "9"
    & skf18("7","5","10","7","4","6","1") = "9"
    & skf18("7","5","10","7","4","7","1") = "9"
    & skf18("7","5","10","7","4","8","1") = "9"
    & skf18("7","5","10","7","4","9","1") = "9"
    & skf18("7","5","10","7","4","10","1") = "9"
    & skf18("7","5","10","7","5","1","1") = "9"
    & skf18("7","5","10","7","5","2","1") = "9"
    & skf18("7","5","10","7","5","3","1") = "9"
    & skf18("7","5","10","7","5","4","1") = "9"
    & skf18("7","5","10","7","5","5","1") = "9"
    & skf18("7","5","10","7","5","6","1") = "9"
    & skf18("7","5","10","7","5","7","1") = "9"
    & skf18("7","5","10","7","5","8","1") = "9"
    & skf18("7","5","10","7","5","9","1") = "9"
    & skf18("7","5","10","7","5","10","1") = "9"
    & skf18("7","5","10","7","6","1","1") = "9"
    & skf18("7","5","10","7","6","2","1") = "9"
    & skf18("7","5","10","7","6","3","1") = "9"
    & skf18("7","5","10","7","6","4","1") = "9"
    & skf18("7","5","10","7","6","5","1") = "9"
    & skf18("7","5","10","7","6","6","1") = "9"
    & skf18("7","5","10","7","6","7","1") = "9"
    & skf18("7","5","10","7","6","8","1") = "9"
    & skf18("7","5","10","7","6","9","1") = "9"
    & skf18("7","5","10","7","6","10","1") = "9"
    & skf18("7","5","10","7","7","1","1") = "9"
    & skf18("7","5","10","7","7","2","1") = "9"
    & skf18("7","5","10","7","7","3","1") = "9"
    & skf18("7","5","10","7","7","4","1") = "9"
    & skf18("7","5","10","7","7","5","1") = "9"
    & skf18("7","5","10","7","7","6","1") = "9"
    & skf18("7","5","10","7","7","7","1") = "9"
    & skf18("7","5","10","7","7","8","1") = "9"
    & skf18("7","5","10","7","7","9","1") = "9"
    & skf18("7","5","10","7","7","10","1") = "9"
    & skf18("7","5","10","7","8","1","1") = "9"
    & skf18("7","5","10","7","8","2","1") = "9"
    & skf18("7","5","10","7","8","3","1") = "9"
    & skf18("7","5","10","7","8","4","1") = "9"
    & skf18("7","5","10","7","8","5","1") = "9"
    & skf18("7","5","10","7","8","6","1") = "9"
    & skf18("7","5","10","7","8","7","1") = "9"
    & skf18("7","5","10","7","8","8","1") = "9"
    & skf18("7","5","10","7","8","9","1") = "9"
    & skf18("7","5","10","7","8","10","1") = "9"
    & skf18("7","5","10","7","9","1","1") = "9"
    & skf18("7","5","10","7","9","2","1") = "9"
    & skf18("7","5","10","7","9","3","1") = "9"
    & skf18("7","5","10","7","9","4","1") = "9"
    & skf18("7","5","10","7","9","5","1") = "9"
    & skf18("7","5","10","7","9","6","1") = "9"
    & skf18("7","5","10","7","9","7","1") = "9"
    & skf18("7","5","10","7","9","8","1") = "9"
    & skf18("7","5","10","7","9","9","1") = "9"
    & skf18("7","5","10","7","9","10","1") = "9"
    & skf18("7","5","10","7","10","1","1") = "9"
    & skf18("7","5","10","7","10","2","1") = "9"
    & skf18("7","5","10","7","10","3","1") = "9"
    & skf18("7","5","10","7","10","4","1") = "9"
    & skf18("7","5","10","7","10","5","1") = "9"
    & skf18("7","5","10","7","10","6","1") = "9"
    & skf18("7","5","10","7","10","7","1") = "9"
    & skf18("7","5","10","7","10","8","1") = "9"
    & skf18("7","5","10","7","10","9","1") = "9"
    & skf18("7","5","10","7","10","10","1") = "9"
    & skf18("7","5","10","8","1","1","1") = "9"
    & skf18("7","5","10","8","1","2","1") = "9"
    & skf18("7","5","10","8","1","3","1") = "9"
    & skf18("7","5","10","8","1","4","1") = "9"
    & skf18("7","5","10","8","1","5","1") = "9"
    & skf18("7","5","10","8","1","6","1") = "9"
    & skf18("7","5","10","8","1","7","1") = "9"
    & skf18("7","5","10","8","1","8","1") = "9"
    & skf18("7","5","10","8","1","9","1") = "9"
    & skf18("7","5","10","8","1","10","1") = "9"
    & skf18("7","5","10","8","2","1","1") = "9"
    & skf18("7","5","10","8","2","2","1") = "9"
    & skf18("7","5","10","8","2","3","1") = "9"
    & skf18("7","5","10","8","2","4","1") = "9"
    & skf18("7","5","10","8","2","5","1") = "9"
    & skf18("7","5","10","8","2","6","1") = "9"
    & skf18("7","5","10","8","2","7","1") = "9"
    & skf18("7","5","10","8","2","8","1") = "9"
    & skf18("7","5","10","8","2","9","1") = "9"
    & skf18("7","5","10","8","2","10","1") = "9"
    & skf18("7","5","10","8","3","1","1") = "9"
    & skf18("7","5","10","8","3","2","1") = "9"
    & skf18("7","5","10","8","3","3","1") = "9"
    & skf18("7","5","10","8","3","4","1") = "9"
    & skf18("7","5","10","8","3","5","1") = "9"
    & skf18("7","5","10","8","3","6","1") = "9"
    & skf18("7","5","10","8","3","7","1") = "9"
    & skf18("7","5","10","8","3","8","1") = "9"
    & skf18("7","5","10","8","3","9","1") = "9"
    & skf18("7","5","10","8","3","10","1") = "9"
    & skf18("7","5","10","8","4","1","1") = "9"
    & skf18("7","5","10","8","4","2","1") = "9"
    & skf18("7","5","10","8","4","3","1") = "9"
    & skf18("7","5","10","8","4","4","1") = "9"
    & skf18("7","5","10","8","4","5","1") = "9"
    & skf18("7","5","10","8","4","6","1") = "9"
    & skf18("7","5","10","8","4","7","1") = "9"
    & skf18("7","5","10","8","4","8","1") = "9"
    & skf18("7","5","10","8","4","9","1") = "9"
    & skf18("7","5","10","8","4","10","1") = "9"
    & skf18("7","5","10","8","5","1","1") = "9"
    & skf18("7","5","10","8","5","2","1") = "9"
    & skf18("7","5","10","8","5","3","1") = "9"
    & skf18("7","5","10","8","5","4","1") = "9"
    & skf18("7","5","10","8","5","5","1") = "9"
    & skf18("7","5","10","8","5","6","1") = "9"
    & skf18("7","5","10","8","5","7","1") = "9"
    & skf18("7","5","10","8","5","8","1") = "9"
    & skf18("7","5","10","8","5","9","1") = "9"
    & skf18("7","5","10","8","5","10","1") = "9"
    & skf18("7","5","10","8","6","1","1") = "9"
    & skf18("7","5","10","8","6","2","1") = "9"
    & skf18("7","5","10","8","6","3","1") = "9"
    & skf18("7","5","10","8","6","4","1") = "9"
    & skf18("7","5","10","8","6","5","1") = "9"
    & skf18("7","5","10","8","6","6","1") = "9"
    & skf18("7","5","10","8","6","7","1") = "9"
    & skf18("7","5","10","8","6","8","1") = "9"
    & skf18("7","5","10","8","6","9","1") = "9"
    & skf18("7","5","10","8","6","10","1") = "9"
    & skf18("7","5","10","8","7","1","1") = "9"
    & skf18("7","5","10","8","7","2","1") = "9"
    & skf18("7","5","10","8","7","3","1") = "9"
    & skf18("7","5","10","8","7","4","1") = "9"
    & skf18("7","5","10","8","7","5","1") = "9"
    & skf18("7","5","10","8","7","6","1") = "9"
    & skf18("7","5","10","8","7","7","1") = "9"
    & skf18("7","5","10","8","7","8","1") = "9"
    & skf18("7","5","10","8","7","9","1") = "9"
    & skf18("7","5","10","8","7","10","1") = "9"
    & skf18("7","5","10","8","8","1","1") = "9"
    & skf18("7","5","10","8","8","2","1") = "9"
    & skf18("7","5","10","8","8","3","1") = "9"
    & skf18("7","5","10","8","8","4","1") = "9"
    & skf18("7","5","10","8","8","5","1") = "9"
    & skf18("7","5","10","8","8","6","1") = "9"
    & skf18("7","5","10","8","8","7","1") = "9"
    & skf18("7","5","10","8","8","8","1") = "9"
    & skf18("7","5","10","8","8","9","1") = "9"
    & skf18("7","5","10","8","8","10","1") = "9"
    & skf18("7","5","10","8","9","1","1") = "9"
    & skf18("7","5","10","8","9","2","1") = "9"
    & skf18("7","5","10","8","9","3","1") = "9"
    & skf18("7","5","10","8","9","4","1") = "9"
    & skf18("7","5","10","8","9","5","1") = "9"
    & skf18("7","5","10","8","9","6","1") = "9"
    & skf18("7","5","10","8","9","7","1") = "9"
    & skf18("7","5","10","8","9","8","1") = "9"
    & skf18("7","5","10","8","9","9","1") = "9"
    & skf18("7","5","10","8","9","10","1") = "9"
    & skf18("7","5","10","8","10","1","1") = "9"
    & skf18("7","5","10","8","10","2","1") = "9"
    & skf18("7","5","10","8","10","3","1") = "9"
    & skf18("7","5","10","8","10","4","1") = "9"
    & skf18("7","5","10","8","10","5","1") = "9"
    & skf18("7","5","10","8","10","6","1") = "9"
    & skf18("7","5","10","8","10","7","1") = "9"
    & skf18("7","5","10","8","10","8","1") = "9"
    & skf18("7","5","10","8","10","9","1") = "9"
    & skf18("7","5","10","8","10","10","1") = "9"
    & skf18("7","5","10","9","1","1","1") = "9"
    & skf18("7","5","10","9","1","2","1") = "9"
    & skf18("7","5","10","9","1","3","1") = "9"
    & skf18("7","5","10","9","1","4","1") = "9"
    & skf18("7","5","10","9","1","5","1") = "9"
    & skf18("7","5","10","9","1","6","1") = "9"
    & skf18("7","5","10","9","1","7","1") = "9"
    & skf18("7","5","10","9","1","8","1") = "9"
    & skf18("7","5","10","9","1","9","1") = "9"
    & skf18("7","5","10","9","1","10","1") = "9"
    & skf18("7","5","10","9","2","1","1") = "9"
    & skf18("7","5","10","9","2","2","1") = "9"
    & skf18("7","5","10","9","2","3","1") = "9"
    & skf18("7","5","10","9","2","4","1") = "9"
    & skf18("7","5","10","9","2","5","1") = "9"
    & skf18("7","5","10","9","2","6","1") = "9"
    & skf18("7","5","10","9","2","7","1") = "9"
    & skf18("7","5","10","9","2","8","1") = "9"
    & skf18("7","5","10","9","2","9","1") = "9"
    & skf18("7","5","10","9","2","10","1") = "9"
    & skf18("7","5","10","9","3","1","1") = "9"
    & skf18("7","5","10","9","3","2","1") = "9"
    & skf18("7","5","10","9","3","3","1") = "9"
    & skf18("7","5","10","9","3","4","1") = "9"
    & skf18("7","5","10","9","3","5","1") = "9"
    & skf18("7","5","10","9","3","6","1") = "9"
    & skf18("7","5","10","9","3","7","1") = "9"
    & skf18("7","5","10","9","3","8","1") = "9"
    & skf18("7","5","10","9","3","9","1") = "9"
    & skf18("7","5","10","9","3","10","1") = "9"
    & skf18("7","5","10","9","4","1","1") = "9"
    & skf18("7","5","10","9","4","2","1") = "9"
    & skf18("7","5","10","9","4","3","1") = "9"
    & skf18("7","5","10","9","4","4","1") = "9"
    & skf18("7","5","10","9","4","5","1") = "9"
    & skf18("7","5","10","9","4","6","1") = "9"
    & skf18("7","5","10","9","4","7","1") = "9"
    & skf18("7","5","10","9","4","8","1") = "9"
    & skf18("7","5","10","9","4","9","1") = "9"
    & skf18("7","5","10","9","4","10","1") = "9"
    & skf18("7","5","10","9","5","1","1") = "9"
    & skf18("7","5","10","9","5","2","1") = "9"
    & skf18("7","5","10","9","5","3","1") = "9"
    & skf18("7","5","10","9","5","4","1") = "9"
    & skf18("7","5","10","9","5","5","1") = "9"
    & skf18("7","5","10","9","5","6","1") = "9"
    & skf18("7","5","10","9","5","7","1") = "9"
    & skf18("7","5","10","9","5","8","1") = "9"
    & skf18("7","5","10","9","5","9","1") = "9"
    & skf18("7","5","10","9","5","10","1") = "9"
    & skf18("7","5","10","9","6","1","1") = "9"
    & skf18("7","5","10","9","6","2","1") = "9"
    & skf18("7","5","10","9","6","3","1") = "9"
    & skf18("7","5","10","9","6","4","1") = "9"
    & skf18("7","5","10","9","6","5","1") = "9"
    & skf18("7","5","10","9","6","6","1") = "9"
    & skf18("7","5","10","9","6","7","1") = "9"
    & skf18("7","5","10","9","6","8","1") = "9"
    & skf18("7","5","10","9","6","9","1") = "9"
    & skf18("7","5","10","9","6","10","1") = "9"
    & skf18("7","5","10","9","7","1","1") = "9"
    & skf18("7","5","10","9","7","2","1") = "9"
    & skf18("7","5","10","9","7","3","1") = "9"
    & skf18("7","5","10","9","7","4","1") = "9"
    & skf18("7","5","10","9","7","5","1") = "9"
    & skf18("7","5","10","9","7","6","1") = "9"
    & skf18("7","5","10","9","7","7","1") = "9"
    & skf18("7","5","10","9","7","8","1") = "9"
    & skf18("7","5","10","9","7","9","1") = "9"
    & skf18("7","5","10","9","7","10","1") = "9"
    & skf18("7","5","10","9","8","1","1") = "9"
    & skf18("7","5","10","9","8","2","1") = "9"
    & skf18("7","5","10","9","8","3","1") = "9"
    & skf18("7","5","10","9","8","4","1") = "9"
    & skf18("7","5","10","9","8","5","1") = "9"
    & skf18("7","5","10","9","8","6","1") = "9"
    & skf18("7","5","10","9","8","7","1") = "9"
    & skf18("7","5","10","9","8","8","1") = "9"
    & skf18("7","5","10","9","8","9","1") = "9"
    & skf18("7","5","10","9","8","10","1") = "9"
    & skf18("7","5","10","9","9","1","1") = "9"
    & skf18("7","5","10","9","9","2","1") = "9"
    & skf18("7","5","10","9","9","3","1") = "9"
    & skf18("7","5","10","9","9","4","1") = "9"
    & skf18("7","5","10","9","9","5","1") = "9"
    & skf18("7","5","10","9","9","6","1") = "9"
    & skf18("7","5","10","9","9","7","1") = "9"
    & skf18("7","5","10","9","9","8","1") = "9"
    & skf18("7","5","10","9","9","9","1") = "9"
    & skf18("7","5","10","9","9","10","1") = "9"
    & skf18("7","5","10","9","10","1","1") = "9"
    & skf18("7","5","10","9","10","2","1") = "9"
    & skf18("7","5","10","9","10","3","1") = "9"
    & skf18("7","5","10","9","10","4","1") = "9"
    & skf18("7","5","10","9","10","5","1") = "9"
    & skf18("7","5","10","9","10","6","1") = "9"
    & skf18("7","5","10","9","10","7","1") = "9"
    & skf18("7","5","10","9","10","8","1") = "9"
    & skf18("7","5","10","9","10","9","1") = "9"
    & skf18("7","5","10","9","10","10","1") = "9"
    & skf18("7","5","10","10","1","1","1") = "9"
    & skf18("7","5","10","10","1","2","1") = "9"
    & skf18("7","5","10","10","1","3","1") = "9"
    & skf18("7","5","10","10","1","4","1") = "9"
    & skf18("7","5","10","10","1","5","1") = "9"
    & skf18("7","5","10","10","1","6","1") = "9"
    & skf18("7","5","10","10","1","7","1") = "9"
    & skf18("7","5","10","10","1","8","1") = "9"
    & skf18("7","5","10","10","1","9","1") = "9"
    & skf18("7","5","10","10","1","10","1") = "9"
    & skf18("7","5","10","10","2","1","1") = "9"
    & skf18("7","5","10","10","2","2","1") = "9"
    & skf18("7","5","10","10","2","3","1") = "9"
    & skf18("7","5","10","10","2","4","1") = "9"
    & skf18("7","5","10","10","2","5","1") = "9"
    & skf18("7","5","10","10","2","6","1") = "9"
    & skf18("7","5","10","10","2","7","1") = "9"
    & skf18("7","5","10","10","2","8","1") = "9"
    & skf18("7","5","10","10","2","9","1") = "9"
    & skf18("7","5","10","10","2","10","1") = "9"
    & skf18("7","5","10","10","3","1","1") = "9"
    & skf18("7","5","10","10","3","2","1") = "9"
    & skf18("7","5","10","10","3","3","1") = "9"
    & skf18("7","5","10","10","3","4","1") = "9"
    & skf18("7","5","10","10","3","5","1") = "9"
    & skf18("7","5","10","10","3","6","1") = "9"
    & skf18("7","5","10","10","3","7","1") = "9"
    & skf18("7","5","10","10","3","8","1") = "9"
    & skf18("7","5","10","10","3","9","1") = "9"
    & skf18("7","5","10","10","3","10","1") = "9"
    & skf18("7","5","10","10","4","1","1") = "9"
    & skf18("7","5","10","10","4","2","1") = "9"
    & skf18("7","5","10","10","4","3","1") = "9"
    & skf18("7","5","10","10","4","4","1") = "9"
    & skf18("7","5","10","10","4","5","1") = "9"
    & skf18("7","5","10","10","4","6","1") = "9"
    & skf18("7","5","10","10","4","7","1") = "9"
    & skf18("7","5","10","10","4","8","1") = "9"
    & skf18("7","5","10","10","4","9","1") = "9"
    & skf18("7","5","10","10","4","10","1") = "9"
    & skf18("7","5","10","10","5","1","1") = "9"
    & skf18("7","5","10","10","5","2","1") = "9"
    & skf18("7","5","10","10","5","3","1") = "9"
    & skf18("7","5","10","10","5","4","1") = "9"
    & skf18("7","5","10","10","5","5","1") = "9"
    & skf18("7","5","10","10","5","6","1") = "9"
    & skf18("7","5","10","10","5","7","1") = "9"
    & skf18("7","5","10","10","5","8","1") = "9"
    & skf18("7","5","10","10","5","9","1") = "9"
    & skf18("7","5","10","10","5","10","1") = "9"
    & skf18("7","5","10","10","6","1","1") = "9"
    & skf18("7","5","10","10","6","2","1") = "9"
    & skf18("7","5","10","10","6","3","1") = "9"
    & skf18("7","5","10","10","6","4","1") = "9"
    & skf18("7","5","10","10","6","5","1") = "9"
    & skf18("7","5","10","10","6","6","1") = "9"
    & skf18("7","5","10","10","6","7","1") = "9"
    & skf18("7","5","10","10","6","8","1") = "9"
    & skf18("7","5","10","10","6","9","1") = "9"
    & skf18("7","5","10","10","6","10","1") = "9"
    & skf18("7","5","10","10","7","1","1") = "9"
    & skf18("7","5","10","10","7","2","1") = "9"
    & skf18("7","5","10","10","7","3","1") = "9"
    & skf18("7","5","10","10","7","4","1") = "9"
    & skf18("7","5","10","10","7","5","1") = "9"
    & skf18("7","5","10","10","7","6","1") = "9"
    & skf18("7","5","10","10","7","7","1") = "9"
    & skf18("7","5","10","10","7","8","1") = "9"
    & skf18("7","5","10","10","7","9","1") = "9"
    & skf18("7","5","10","10","7","10","1") = "9"
    & skf18("7","5","10","10","8","1","1") = "9"
    & skf18("7","5","10","10","8","2","1") = "9"
    & skf18("7","5","10","10","8","3","1") = "9"
    & skf18("7","5","10","10","8","4","1") = "9"
    & skf18("7","5","10","10","8","5","1") = "9"
    & skf18("7","5","10","10","8","6","1") = "9"
    & skf18("7","5","10","10","8","7","1") = "9"
    & skf18("7","5","10","10","8","8","1") = "9"
    & skf18("7","5","10","10","8","9","1") = "9"
    & skf18("7","5","10","10","8","10","1") = "9"
    & skf18("7","5","10","10","9","1","1") = "9"
    & skf18("7","5","10","10","9","2","1") = "9"
    & skf18("7","5","10","10","9","3","1") = "9"
    & skf18("7","5","10","10","9","4","1") = "9"
    & skf18("7","5","10","10","9","5","1") = "9"
    & skf18("7","5","10","10","9","6","1") = "9"
    & skf18("7","5","10","10","9","7","1") = "9"
    & skf18("7","5","10","10","9","8","1") = "9"
    & skf18("7","5","10","10","9","9","1") = "9"
    & skf18("7","5","10","10","9","10","1") = "9"
    & skf18("7","5","10","10","10","1","1") = "9"
    & skf18("7","5","10","10","10","2","1") = "9"
    & skf18("7","5","10","10","10","3","1") = "9"
    & skf18("7","5","10","10","10","4","1") = "9"
    & skf18("7","5","10","10","10","5","1") = "9"
    & skf18("7","5","10","10","10","6","1") = "9"
    & skf18("7","5","10","10","10","7","1") = "9"
    & skf18("7","5","10","10","10","8","1") = "9"
    & skf18("7","5","10","10","10","9","1") = "9"
    & skf18("7","5","10","10","10","10","1") = "9"
    & skf18("7","6","1","1","1","1","1") = "6"
    & skf18("7","6","1","1","1","2","1") = "6"
    & skf18("7","6","1","1","1","3","1") = "6"
    & skf18("7","6","1","1","1","4","1") = "6"
    & skf18("7","6","1","1","1","5","1") = "6"
    & skf18("7","6","1","1","1","6","1") = "6"
    & skf18("7","6","1","1","1","7","1") = "6"
    & skf18("7","6","1","1","1","8","1") = "7"
    & skf18("7","6","1","1","1","9","1") = "8"
    & skf18("7","6","1","1","1","10","1") = "9"
    & skf18("7","6","1","1","2","1","1") = "6"
    & skf18("7","6","1","1","2","2","1") = "6"
    & skf18("7","6","1","1","2","3","1") = "6"
    & skf18("7","6","1","1","2","4","1") = "6"
    & skf18("7","6","1","1","2","5","1") = "6"
    & skf18("7","6","1","1","2","6","1") = "6"
    & skf18("7","6","1","1","2","7","1") = "6"
    & skf18("7","6","1","1","2","8","1") = "7"
    & skf18("7","6","1","1","2","9","1") = "8"
    & skf18("7","6","1","1","2","10","1") = "9"
    & skf18("7","6","1","1","3","1","1") = "6"
    & skf18("7","6","1","1","3","2","1") = "6"
    & skf18("7","6","1","1","3","3","1") = "6"
    & skf18("7","6","1","1","3","4","1") = "6"
    & skf18("7","6","1","1","3","5","1") = "6"
    & skf18("7","6","1","1","3","6","1") = "6"
    & skf18("7","6","1","1","3","7","1") = "6"
    & skf18("7","6","1","1","3","8","1") = "7"
    & skf18("7","6","1","1","3","9","1") = "8"
    & skf18("7","6","1","1","3","10","1") = "9"
    & skf18("7","6","1","1","4","1","1") = "6"
    & skf18("7","6","1","1","4","2","1") = "6"
    & skf18("7","6","1","1","4","3","1") = "6"
    & skf18("7","6","1","1","4","4","1") = "6"
    & skf18("7","6","1","1","4","5","1") = "6"
    & skf18("7","6","1","1","4","6","1") = "6"
    & skf18("7","6","1","1","4","7","1") = "6"
    & skf18("7","6","1","1","4","8","1") = "7"
    & skf18("7","6","1","1","4","9","1") = "8"
    & skf18("7","6","1","1","4","10","1") = "9"
    & skf18("7","6","1","1","5","1","1") = "6"
    & skf18("7","6","1","1","5","2","1") = "6"
    & skf18("7","6","1","1","5","3","1") = "6"
    & skf18("7","6","1","1","5","4","1") = "6"
    & skf18("7","6","1","1","5","5","1") = "6"
    & skf18("7","6","1","1","5","6","1") = "6"
    & skf18("7","6","1","1","5","7","1") = "6"
    & skf18("7","6","1","1","5","8","1") = "7"
    & skf18("7","6","1","1","5","9","1") = "8"
    & skf18("7","6","1","1","5","10","1") = "9"
    & skf18("7","6","1","1","6","1","1") = "6"
    & skf18("7","6","1","1","6","2","1") = "6"
    & skf18("7","6","1","1","6","3","1") = "6"
    & skf18("7","6","1","1","6","4","1") = "6"
    & skf18("7","6","1","1","6","5","1") = "6"
    & skf18("7","6","1","1","6","6","1") = "6"
    & skf18("7","6","1","1","6","7","1") = "6"
    & skf18("7","6","1","1","6","8","1") = "7"
    & skf18("7","6","1","1","6","9","1") = "8"
    & skf18("7","6","1","1","6","10","1") = "9"
    & skf18("7","6","1","1","7","1","1") = "6"
    & skf18("7","6","1","1","7","2","1") = "6"
    & skf18("7","6","1","1","7","3","1") = "6"
    & skf18("7","6","1","1","7","4","1") = "6"
    & skf18("7","6","1","1","7","5","1") = "6"
    & skf18("7","6","1","1","7","6","1") = "6"
    & skf18("7","6","1","1","7","7","1") = "6"
    & skf18("7","6","1","1","7","8","1") = "7"
    & skf18("7","6","1","1","7","9","1") = "8"
    & skf18("7","6","1","1","7","10","1") = "9"
    & skf18("7","6","1","1","8","1","1") = "7"
    & skf18("7","6","1","1","8","2","1") = "7"
    & skf18("7","6","1","1","8","3","1") = "7"
    & skf18("7","6","1","1","8","4","1") = "7"
    & skf18("7","6","1","1","8","5","1") = "7"
    & skf18("7","6","1","1","8","6","1") = "7"
    & skf18("7","6","1","1","8","7","1") = "7"
    & skf18("7","6","1","1","8","8","1") = "7"
    & skf18("7","6","1","1","8","9","1") = "8"
    & skf18("7","6","1","1","8","10","1") = "9"
    & skf18("7","6","1","1","9","1","1") = "8"
    & skf18("7","6","1","1","9","2","1") = "8"
    & skf18("7","6","1","1","9","3","1") = "8"
    & skf18("7","6","1","1","9","4","1") = "8"
    & skf18("7","6","1","1","9","5","1") = "8"
    & skf18("7","6","1","1","9","6","1") = "8"
    & skf18("7","6","1","1","9","7","1") = "8"
    & skf18("7","6","1","1","9","8","1") = "8"
    & skf18("7","6","1","1","9","9","1") = "8"
    & skf18("7","6","1","1","9","10","1") = "9"
    & skf18("7","6","1","1","10","1","1") = "9"
    & skf18("7","6","1","1","10","2","1") = "9"
    & skf18("7","6","1","1","10","3","1") = "9"
    & skf18("7","6","1","1","10","4","1") = "9"
    & skf18("7","6","1","1","10","5","1") = "9"
    & skf18("7","6","1","1","10","6","1") = "9"
    & skf18("7","6","1","1","10","7","1") = "9"
    & skf18("7","6","1","1","10","8","1") = "9"
    & skf18("7","6","1","1","10","9","1") = "9"
    & skf18("7","6","1","1","10","10","1") = "9"
    & skf18("7","6","1","2","1","1","1") = "6"
    & skf18("7","6","1","2","1","2","1") = "6"
    & skf18("7","6","1","2","1","3","1") = "6"
    & skf18("7","6","1","2","1","4","1") = "6"
    & skf18("7","6","1","2","1","5","1") = "6"
    & skf18("7","6","1","2","1","6","1") = "6"
    & skf18("7","6","1","2","1","7","1") = "6"
    & skf18("7","6","1","2","1","8","1") = "7"
    & skf18("7","6","1","2","1","9","1") = "8"
    & skf18("7","6","1","2","1","10","1") = "9"
    & skf18("7","6","1","2","2","1","1") = "6"
    & skf18("7","6","1","2","2","2","1") = "6"
    & skf18("7","6","1","2","2","3","1") = "6"
    & skf18("7","6","1","2","2","4","1") = "6"
    & skf18("7","6","1","2","2","5","1") = "6"
    & skf18("7","6","1","2","2","6","1") = "6"
    & skf18("7","6","1","2","2","7","1") = "6"
    & skf18("7","6","1","2","2","8","1") = "7"
    & skf18("7","6","1","2","2","9","1") = "8"
    & skf18("7","6","1","2","2","10","1") = "9"
    & skf18("7","6","1","2","3","1","1") = "6"
    & skf18("7","6","1","2","3","2","1") = "6"
    & skf18("7","6","1","2","3","3","1") = "6"
    & skf18("7","6","1","2","3","4","1") = "6"
    & skf18("7","6","1","2","3","5","1") = "6"
    & skf18("7","6","1","2","3","6","1") = "6"
    & skf18("7","6","1","2","3","7","1") = "6"
    & skf18("7","6","1","2","3","8","1") = "7"
    & skf18("7","6","1","2","3","9","1") = "8"
    & skf18("7","6","1","2","3","10","1") = "9"
    & skf18("7","6","1","2","4","1","1") = "6"
    & skf18("7","6","1","2","4","2","1") = "6"
    & skf18("7","6","1","2","4","3","1") = "6"
    & skf18("7","6","1","2","4","4","1") = "6"
    & skf18("7","6","1","2","4","5","1") = "6"
    & skf18("7","6","1","2","4","6","1") = "6"
    & skf18("7","6","1","2","4","7","1") = "6"
    & skf18("7","6","1","2","4","8","1") = "7"
    & skf18("7","6","1","2","4","9","1") = "8"
    & skf18("7","6","1","2","4","10","1") = "9"
    & skf18("7","6","1","2","5","1","1") = "6"
    & skf18("7","6","1","2","5","2","1") = "6"
    & skf18("7","6","1","2","5","3","1") = "6"
    & skf18("7","6","1","2","5","4","1") = "6"
    & skf18("7","6","1","2","5","5","1") = "6"
    & skf18("7","6","1","2","5","6","1") = "6"
    & skf18("7","6","1","2","5","7","1") = "6"
    & skf18("7","6","1","2","5","8","1") = "7"
    & skf18("7","6","1","2","5","9","1") = "8"
    & skf18("7","6","1","2","5","10","1") = "9"
    & skf18("7","6","1","2","6","1","1") = "6"
    & skf18("7","6","1","2","6","2","1") = "6"
    & skf18("7","6","1","2","6","3","1") = "6"
    & skf18("7","6","1","2","6","4","1") = "6"
    & skf18("7","6","1","2","6","5","1") = "6"
    & skf18("7","6","1","2","6","6","1") = "6"
    & skf18("7","6","1","2","6","7","1") = "6"
    & skf18("7","6","1","2","6","8","1") = "7"
    & skf18("7","6","1","2","6","9","1") = "8"
    & skf18("7","6","1","2","6","10","1") = "9"
    & skf18("7","6","1","2","7","1","1") = "6"
    & skf18("7","6","1","2","7","2","1") = "6"
    & skf18("7","6","1","2","7","3","1") = "6"
    & skf18("7","6","1","2","7","4","1") = "6"
    & skf18("7","6","1","2","7","5","1") = "6"
    & skf18("7","6","1","2","7","6","1") = "6"
    & skf18("7","6","1","2","7","7","1") = "6"
    & skf18("7","6","1","2","7","8","1") = "7"
    & skf18("7","6","1","2","7","9","1") = "8"
    & skf18("7","6","1","2","7","10","1") = "9"
    & skf18("7","6","1","2","8","1","1") = "7"
    & skf18("7","6","1","2","8","2","1") = "7"
    & skf18("7","6","1","2","8","3","1") = "7"
    & skf18("7","6","1","2","8","4","1") = "7"
    & skf18("7","6","1","2","8","5","1") = "7"
    & skf18("7","6","1","2","8","6","1") = "7"
    & skf18("7","6","1","2","8","7","1") = "7"
    & skf18("7","6","1","2","8","8","1") = "7"
    & skf18("7","6","1","2","8","9","1") = "8"
    & skf18("7","6","1","2","8","10","1") = "9"
    & skf18("7","6","1","2","9","1","1") = "8"
    & skf18("7","6","1","2","9","2","1") = "8"
    & skf18("7","6","1","2","9","3","1") = "8"
    & skf18("7","6","1","2","9","4","1") = "8"
    & skf18("7","6","1","2","9","5","1") = "8"
    & skf18("7","6","1","2","9","6","1") = "8"
    & skf18("7","6","1","2","9","7","1") = "8"
    & skf18("7","6","1","2","9","8","1") = "8"
    & skf18("7","6","1","2","9","9","1") = "8"
    & skf18("7","6","1","2","9","10","1") = "9"
    & skf18("7","6","1","2","10","1","1") = "9"
    & skf18("7","6","1","2","10","2","1") = "9"
    & skf18("7","6","1","2","10","3","1") = "9"
    & skf18("7","6","1","2","10","4","1") = "9"
    & skf18("7","6","1","2","10","5","1") = "9"
    & skf18("7","6","1","2","10","6","1") = "9"
    & skf18("7","6","1","2","10","7","1") = "9"
    & skf18("7","6","1","2","10","8","1") = "9"
    & skf18("7","6","1","2","10","9","1") = "9"
    & skf18("7","6","1","2","10","10","1") = "9"
    & skf18("7","6","1","3","1","1","1") = "6"
    & skf18("7","6","1","3","1","2","1") = "6"
    & skf18("7","6","1","3","1","3","1") = "6"
    & skf18("7","6","1","3","1","4","1") = "6"
    & skf18("7","6","1","3","1","5","1") = "6"
    & skf18("7","6","1","3","1","6","1") = "6"
    & skf18("7","6","1","3","1","7","1") = "6"
    & skf18("7","6","1","3","1","8","1") = "7"
    & skf18("7","6","1","3","1","9","1") = "8"
    & skf18("7","6","1","3","1","10","1") = "9"
    & skf18("7","6","1","3","2","1","1") = "6"
    & skf18("7","6","1","3","2","2","1") = "6"
    & skf18("7","6","1","3","2","3","1") = "6"
    & skf18("7","6","1","3","2","4","1") = "6"
    & skf18("7","6","1","3","2","5","1") = "6"
    & skf18("7","6","1","3","2","6","1") = "6"
    & skf18("7","6","1","3","2","7","1") = "6"
    & skf18("7","6","1","3","2","8","1") = "7"
    & skf18("7","6","1","3","2","9","1") = "8"
    & skf18("7","6","1","3","2","10","1") = "9"
    & skf18("7","6","1","3","3","1","1") = "6"
    & skf18("7","6","1","3","3","2","1") = "6"
    & skf18("7","6","1","3","3","3","1") = "6"
    & skf18("7","6","1","3","3","4","1") = "6"
    & skf18("7","6","1","3","3","5","1") = "6"
    & skf18("7","6","1","3","3","6","1") = "6"
    & skf18("7","6","1","3","3","7","1") = "6"
    & skf18("7","6","1","3","3","8","1") = "7"
    & skf18("7","6","1","3","3","9","1") = "8"
    & skf18("7","6","1","3","3","10","1") = "9"
    & skf18("7","6","1","3","4","1","1") = "6"
    & skf18("7","6","1","3","4","2","1") = "6"
    & skf18("7","6","1","3","4","3","1") = "6"
    & skf18("7","6","1","3","4","4","1") = "6"
    & skf18("7","6","1","3","4","5","1") = "6"
    & skf18("7","6","1","3","4","6","1") = "6"
    & skf18("7","6","1","3","4","7","1") = "6"
    & skf18("7","6","1","3","4","8","1") = "7"
    & skf18("7","6","1","3","4","9","1") = "8"
    & skf18("7","6","1","3","4","10","1") = "9"
    & skf18("7","6","1","3","5","1","1") = "6"
    & skf18("7","6","1","3","5","2","1") = "6"
    & skf18("7","6","1","3","5","3","1") = "6"
    & skf18("7","6","1","3","5","4","1") = "6"
    & skf18("7","6","1","3","5","5","1") = "6"
    & skf18("7","6","1","3","5","6","1") = "6"
    & skf18("7","6","1","3","5","7","1") = "6"
    & skf18("7","6","1","3","5","8","1") = "7"
    & skf18("7","6","1","3","5","9","1") = "8"
    & skf18("7","6","1","3","5","10","1") = "9"
    & skf18("7","6","1","3","6","1","1") = "6"
    & skf18("7","6","1","3","6","2","1") = "6"
    & skf18("7","6","1","3","6","3","1") = "6"
    & skf18("7","6","1","3","6","4","1") = "6"
    & skf18("7","6","1","3","6","5","1") = "6"
    & skf18("7","6","1","3","6","6","1") = "6"
    & skf18("7","6","1","3","6","7","1") = "6"
    & skf18("7","6","1","3","6","8","1") = "7"
    & skf18("7","6","1","3","6","9","1") = "8"
    & skf18("7","6","1","3","6","10","1") = "9"
    & skf18("7","6","1","3","7","1","1") = "6"
    & skf18("7","6","1","3","7","2","1") = "6"
    & skf18("7","6","1","3","7","3","1") = "6"
    & skf18("7","6","1","3","7","4","1") = "6"
    & skf18("7","6","1","3","7","5","1") = "6"
    & skf18("7","6","1","3","7","6","1") = "6"
    & skf18("7","6","1","3","7","7","1") = "6"
    & skf18("7","6","1","3","7","8","1") = "7"
    & skf18("7","6","1","3","7","9","1") = "8"
    & skf18("7","6","1","3","7","10","1") = "9"
    & skf18("7","6","1","3","8","1","1") = "7"
    & skf18("7","6","1","3","8","2","1") = "7"
    & skf18("7","6","1","3","8","3","1") = "7"
    & skf18("7","6","1","3","8","4","1") = "7"
    & skf18("7","6","1","3","8","5","1") = "7"
    & skf18("7","6","1","3","8","6","1") = "7"
    & skf18("7","6","1","3","8","7","1") = "7"
    & skf18("7","6","1","3","8","8","1") = "7"
    & skf18("7","6","1","3","8","9","1") = "8"
    & skf18("7","6","1","3","8","10","1") = "9"
    & skf18("7","6","1","3","9","1","1") = "8"
    & skf18("7","6","1","3","9","2","1") = "8"
    & skf18("7","6","1","3","9","3","1") = "8"
    & skf18("7","6","1","3","9","4","1") = "8"
    & skf18("7","6","1","3","9","5","1") = "8"
    & skf18("7","6","1","3","9","6","1") = "8"
    & skf18("7","6","1","3","9","7","1") = "8"
    & skf18("7","6","1","3","9","8","1") = "8"
    & skf18("7","6","1","3","9","9","1") = "8"
    & skf18("7","6","1","3","9","10","1") = "9"
    & skf18("7","6","1","3","10","1","1") = "9"
    & skf18("7","6","1","3","10","2","1") = "9"
    & skf18("7","6","1","3","10","3","1") = "9"
    & skf18("7","6","1","3","10","4","1") = "9"
    & skf18("7","6","1","3","10","5","1") = "9"
    & skf18("7","6","1","3","10","6","1") = "9"
    & skf18("7","6","1","3","10","7","1") = "9"
    & skf18("7","6","1","3","10","8","1") = "9"
    & skf18("7","6","1","3","10","9","1") = "9"
    & skf18("7","6","1","3","10","10","1") = "9"
    & skf18("7","6","1","4","1","1","1") = "6"
    & skf18("7","6","1","4","1","2","1") = "6"
    & skf18("7","6","1","4","1","3","1") = "6"
    & skf18("7","6","1","4","1","4","1") = "6"
    & skf18("7","6","1","4","1","5","1") = "6"
    & skf18("7","6","1","4","1","6","1") = "6"
    & skf18("7","6","1","4","1","7","1") = "6"
    & skf18("7","6","1","4","1","8","1") = "7"
    & skf18("7","6","1","4","1","9","1") = "8"
    & skf18("7","6","1","4","1","10","1") = "9"
    & skf18("7","6","1","4","2","1","1") = "6"
    & skf18("7","6","1","4","2","2","1") = "6"
    & skf18("7","6","1","4","2","3","1") = "6"
    & skf18("7","6","1","4","2","4","1") = "6"
    & skf18("7","6","1","4","2","5","1") = "6"
    & skf18("7","6","1","4","2","6","1") = "6"
    & skf18("7","6","1","4","2","7","1") = "6"
    & skf18("7","6","1","4","2","8","1") = "7"
    & skf18("7","6","1","4","2","9","1") = "8"
    & skf18("7","6","1","4","2","10","1") = "9"
    & skf18("7","6","1","4","3","1","1") = "6"
    & skf18("7","6","1","4","3","2","1") = "6"
    & skf18("7","6","1","4","3","3","1") = "6"
    & skf18("7","6","1","4","3","4","1") = "6"
    & skf18("7","6","1","4","3","5","1") = "6"
    & skf18("7","6","1","4","3","6","1") = "6"
    & skf18("7","6","1","4","3","7","1") = "6"
    & skf18("7","6","1","4","3","8","1") = "7"
    & skf18("7","6","1","4","3","9","1") = "8"
    & skf18("7","6","1","4","3","10","1") = "9"
    & skf18("7","6","1","4","4","1","1") = "6"
    & skf18("7","6","1","4","4","2","1") = "6"
    & skf18("7","6","1","4","4","3","1") = "6"
    & skf18("7","6","1","4","4","4","1") = "6"
    & skf18("7","6","1","4","4","5","1") = "6"
    & skf18("7","6","1","4","4","6","1") = "6"
    & skf18("7","6","1","4","4","7","1") = "6"
    & skf18("7","6","1","4","4","8","1") = "7"
    & skf18("7","6","1","4","4","9","1") = "8"
    & skf18("7","6","1","4","4","10","1") = "9"
    & skf18("7","6","1","4","5","1","1") = "6"
    & skf18("7","6","1","4","5","2","1") = "6"
    & skf18("7","6","1","4","5","3","1") = "6"
    & skf18("7","6","1","4","5","4","1") = "6"
    & skf18("7","6","1","4","5","5","1") = "6"
    & skf18("7","6","1","4","5","6","1") = "6"
    & skf18("7","6","1","4","5","7","1") = "6"
    & skf18("7","6","1","4","5","8","1") = "7"
    & skf18("7","6","1","4","5","9","1") = "8"
    & skf18("7","6","1","4","5","10","1") = "9"
    & skf18("7","6","1","4","6","1","1") = "6"
    & skf18("7","6","1","4","6","2","1") = "6"
    & skf18("7","6","1","4","6","3","1") = "6"
    & skf18("7","6","1","4","6","4","1") = "6"
    & skf18("7","6","1","4","6","5","1") = "6"
    & skf18("7","6","1","4","6","6","1") = "6"
    & skf18("7","6","1","4","6","7","1") = "6"
    & skf18("7","6","1","4","6","8","1") = "7"
    & skf18("7","6","1","4","6","9","1") = "8"
    & skf18("7","6","1","4","6","10","1") = "9"
    & skf18("7","6","1","4","7","1","1") = "6"
    & skf18("7","6","1","4","7","2","1") = "6"
    & skf18("7","6","1","4","7","3","1") = "6"
    & skf18("7","6","1","4","7","4","1") = "6"
    & skf18("7","6","1","4","7","5","1") = "6"
    & skf18("7","6","1","4","7","6","1") = "6"
    & skf18("7","6","1","4","7","7","1") = "6"
    & skf18("7","6","1","4","7","8","1") = "7"
    & skf18("7","6","1","4","7","9","1") = "8"
    & skf18("7","6","1","4","7","10","1") = "9"
    & skf18("7","6","1","4","8","1","1") = "7"
    & skf18("7","6","1","4","8","2","1") = "7"
    & skf18("7","6","1","4","8","3","1") = "7"
    & skf18("7","6","1","4","8","4","1") = "7"
    & skf18("7","6","1","4","8","5","1") = "7"
    & skf18("7","6","1","4","8","6","1") = "7"
    & skf18("7","6","1","4","8","7","1") = "7"
    & skf18("7","6","1","4","8","8","1") = "7"
    & skf18("7","6","1","4","8","9","1") = "8"
    & skf18("7","6","1","4","8","10","1") = "9"
    & skf18("7","6","1","4","9","1","1") = "8"
    & skf18("7","6","1","4","9","2","1") = "8"
    & skf18("7","6","1","4","9","3","1") = "8"
    & skf18("7","6","1","4","9","4","1") = "8"
    & skf18("7","6","1","4","9","5","1") = "8"
    & skf18("7","6","1","4","9","6","1") = "8"
    & skf18("7","6","1","4","9","7","1") = "8"
    & skf18("7","6","1","4","9","8","1") = "8"
    & skf18("7","6","1","4","9","9","1") = "8"
    & skf18("7","6","1","4","9","10","1") = "9"
    & skf18("7","6","1","4","10","1","1") = "9"
    & skf18("7","6","1","4","10","2","1") = "9"
    & skf18("7","6","1","4","10","3","1") = "9"
    & skf18("7","6","1","4","10","4","1") = "9"
    & skf18("7","6","1","4","10","5","1") = "9"
    & skf18("7","6","1","4","10","6","1") = "9"
    & skf18("7","6","1","4","10","7","1") = "9"
    & skf18("7","6","1","4","10","8","1") = "9"
    & skf18("7","6","1","4","10","9","1") = "9"
    & skf18("7","6","1","4","10","10","1") = "9"
    & skf18("7","6","1","5","1","1","1") = "6"
    & skf18("7","6","1","5","1","2","1") = "6"
    & skf18("7","6","1","5","1","3","1") = "6"
    & skf18("7","6","1","5","1","4","1") = "6"
    & skf18("7","6","1","5","1","5","1") = "6"
    & skf18("7","6","1","5","1","6","1") = "6"
    & skf18("7","6","1","5","1","7","1") = "6"
    & skf18("7","6","1","5","1","8","1") = "7"
    & skf18("7","6","1","5","1","9","1") = "8"
    & skf18("7","6","1","5","1","10","1") = "9"
    & skf18("7","6","1","5","2","1","1") = "6"
    & skf18("7","6","1","5","2","2","1") = "6"
    & skf18("7","6","1","5","2","3","1") = "6"
    & skf18("7","6","1","5","2","4","1") = "6"
    & skf18("7","6","1","5","2","5","1") = "6"
    & skf18("7","6","1","5","2","6","1") = "6"
    & skf18("7","6","1","5","2","7","1") = "6"
    & skf18("7","6","1","5","2","8","1") = "7"
    & skf18("7","6","1","5","2","9","1") = "8"
    & skf18("7","6","1","5","2","10","1") = "9"
    & skf18("7","6","1","5","3","1","1") = "6"
    & skf18("7","6","1","5","3","2","1") = "6"
    & skf18("7","6","1","5","3","3","1") = "6"
    & skf18("7","6","1","5","3","4","1") = "6"
    & skf18("7","6","1","5","3","5","1") = "6"
    & skf18("7","6","1","5","3","6","1") = "6"
    & skf18("7","6","1","5","3","7","1") = "6"
    & skf18("7","6","1","5","3","8","1") = "7"
    & skf18("7","6","1","5","3","9","1") = "8"
    & skf18("7","6","1","5","3","10","1") = "9"
    & skf18("7","6","1","5","4","1","1") = "6"
    & skf18("7","6","1","5","4","2","1") = "6"
    & skf18("7","6","1","5","4","3","1") = "6"
    & skf18("7","6","1","5","4","4","1") = "6"
    & skf18("7","6","1","5","4","5","1") = "6"
    & skf18("7","6","1","5","4","6","1") = "6"
    & skf18("7","6","1","5","4","7","1") = "6"
    & skf18("7","6","1","5","4","8","1") = "7"
    & skf18("7","6","1","5","4","9","1") = "8"
    & skf18("7","6","1","5","4","10","1") = "9"
    & skf18("7","6","1","5","5","1","1") = "6"
    & skf18("7","6","1","5","5","2","1") = "6"
    & skf18("7","6","1","5","5","3","1") = "6"
    & skf18("7","6","1","5","5","4","1") = "6"
    & skf18("7","6","1","5","5","5","1") = "6"
    & skf18("7","6","1","5","5","6","1") = "6"
    & skf18("7","6","1","5","5","7","1") = "6"
    & skf18("7","6","1","5","5","8","1") = "7"
    & skf18("7","6","1","5","5","9","1") = "8"
    & skf18("7","6","1","5","5","10","1") = "9"
    & skf18("7","6","1","5","6","1","1") = "6"
    & skf18("7","6","1","5","6","2","1") = "6"
    & skf18("7","6","1","5","6","3","1") = "6"
    & skf18("7","6","1","5","6","4","1") = "6"
    & skf18("7","6","1","5","6","5","1") = "6"
    & skf18("7","6","1","5","6","6","1") = "6"
    & skf18("7","6","1","5","6","7","1") = "6"
    & skf18("7","6","1","5","6","8","1") = "7"
    & skf18("7","6","1","5","6","9","1") = "8"
    & skf18("7","6","1","5","6","10","1") = "9"
    & skf18("7","6","1","5","7","1","1") = "6"
    & skf18("7","6","1","5","7","2","1") = "6"
    & skf18("7","6","1","5","7","3","1") = "6"
    & skf18("7","6","1","5","7","4","1") = "6"
    & skf18("7","6","1","5","7","5","1") = "6"
    & skf18("7","6","1","5","7","6","1") = "6"
    & skf18("7","6","1","5","7","7","1") = "6"
    & skf18("7","6","1","5","7","8","1") = "7"
    & skf18("7","6","1","5","7","9","1") = "8"
    & skf18("7","6","1","5","7","10","1") = "9"
    & skf18("7","6","1","5","8","1","1") = "7"
    & skf18("7","6","1","5","8","2","1") = "7"
    & skf18("7","6","1","5","8","3","1") = "7"
    & skf18("7","6","1","5","8","4","1") = "7"
    & skf18("7","6","1","5","8","5","1") = "7"
    & skf18("7","6","1","5","8","6","1") = "7"
    & skf18("7","6","1","5","8","7","1") = "7"
    & skf18("7","6","1","5","8","8","1") = "7"
    & skf18("7","6","1","5","8","9","1") = "8"
    & skf18("7","6","1","5","8","10","1") = "9"
    & skf18("7","6","1","5","9","1","1") = "8"
    & skf18("7","6","1","5","9","2","1") = "8"
    & skf18("7","6","1","5","9","3","1") = "8"
    & skf18("7","6","1","5","9","4","1") = "8"
    & skf18("7","6","1","5","9","5","1") = "8"
    & skf18("7","6","1","5","9","6","1") = "8"
    & skf18("7","6","1","5","9","7","1") = "8"
    & skf18("7","6","1","5","9","8","1") = "8"
    & skf18("7","6","1","5","9","9","1") = "8"
    & skf18("7","6","1","5","9","10","1") = "9"
    & skf18("7","6","1","5","10","1","1") = "9"
    & skf18("7","6","1","5","10","2","1") = "9"
    & skf18("7","6","1","5","10","3","1") = "9"
    & skf18("7","6","1","5","10","4","1") = "9"
    & skf18("7","6","1","5","10","5","1") = "9"
    & skf18("7","6","1","5","10","6","1") = "9"
    & skf18("7","6","1","5","10","7","1") = "9"
    & skf18("7","6","1","5","10","8","1") = "9"
    & skf18("7","6","1","5","10","9","1") = "9"
    & skf18("7","6","1","5","10","10","1") = "9"
    & skf18("7","6","1","6","1","1","1") = "6"
    & skf18("7","6","1","6","1","2","1") = "6"
    & skf18("7","6","1","6","1","3","1") = "6"
    & skf18("7","6","1","6","1","4","1") = "6"
    & skf18("7","6","1","6","1","5","1") = "6"
    & skf18("7","6","1","6","1","6","1") = "6"
    & skf18("7","6","1","6","1","7","1") = "6"
    & skf18("7","6","1","6","1","8","1") = "7"
    & skf18("7","6","1","6","1","9","1") = "8"
    & skf18("7","6","1","6","1","10","1") = "9"
    & skf18("7","6","1","6","2","1","1") = "6"
    & skf18("7","6","1","6","2","2","1") = "6"
    & skf18("7","6","1","6","2","3","1") = "6"
    & skf18("7","6","1","6","2","4","1") = "6"
    & skf18("7","6","1","6","2","5","1") = "6"
    & skf18("7","6","1","6","2","6","1") = "6"
    & skf18("7","6","1","6","2","7","1") = "6"
    & skf18("7","6","1","6","2","8","1") = "7"
    & skf18("7","6","1","6","2","9","1") = "8"
    & skf18("7","6","1","6","2","10","1") = "9"
    & skf18("7","6","1","6","3","1","1") = "6"
    & skf18("7","6","1","6","3","2","1") = "6"
    & skf18("7","6","1","6","3","3","1") = "6"
    & skf18("7","6","1","6","3","4","1") = "6"
    & skf18("7","6","1","6","3","5","1") = "6"
    & skf18("7","6","1","6","3","6","1") = "6"
    & skf18("7","6","1","6","3","7","1") = "6"
    & skf18("7","6","1","6","3","8","1") = "7"
    & skf18("7","6","1","6","3","9","1") = "8"
    & skf18("7","6","1","6","3","10","1") = "9"
    & skf18("7","6","1","6","4","1","1") = "6"
    & skf18("7","6","1","6","4","2","1") = "6"
    & skf18("7","6","1","6","4","3","1") = "6"
    & skf18("7","6","1","6","4","4","1") = "6"
    & skf18("7","6","1","6","4","5","1") = "6"
    & skf18("7","6","1","6","4","6","1") = "6"
    & skf18("7","6","1","6","4","7","1") = "6"
    & skf18("7","6","1","6","4","8","1") = "7"
    & skf18("7","6","1","6","4","9","1") = "8"
    & skf18("7","6","1","6","4","10","1") = "9"
    & skf18("7","6","1","6","5","1","1") = "6"
    & skf18("7","6","1","6","5","2","1") = "6"
    & skf18("7","6","1","6","5","3","1") = "6"
    & skf18("7","6","1","6","5","4","1") = "6"
    & skf18("7","6","1","6","5","5","1") = "6"
    & skf18("7","6","1","6","5","6","1") = "6"
    & skf18("7","6","1","6","5","7","1") = "6"
    & skf18("7","6","1","6","5","8","1") = "7"
    & skf18("7","6","1","6","5","9","1") = "8"
    & skf18("7","6","1","6","5","10","1") = "9"
    & skf18("7","6","1","6","6","1","1") = "6"
    & skf18("7","6","1","6","6","2","1") = "6"
    & skf18("7","6","1","6","6","3","1") = "6"
    & skf18("7","6","1","6","6","4","1") = "6"
    & skf18("7","6","1","6","6","5","1") = "6"
    & skf18("7","6","1","6","6","6","1") = "6"
    & skf18("7","6","1","6","6","7","1") = "6"
    & skf18("7","6","1","6","6","8","1") = "7"
    & skf18("7","6","1","6","6","9","1") = "8"
    & skf18("7","6","1","6","6","10","1") = "9"
    & skf18("7","6","1","6","7","1","1") = "6"
    & skf18("7","6","1","6","7","2","1") = "6"
    & skf18("7","6","1","6","7","3","1") = "6"
    & skf18("7","6","1","6","7","4","1") = "6"
    & skf18("7","6","1","6","7","5","1") = "6"
    & skf18("7","6","1","6","7","6","1") = "6"
    & skf18("7","6","1","6","7","7","1") = "6"
    & skf18("7","6","1","6","7","8","1") = "7"
    & skf18("7","6","1","6","7","9","1") = "8"
    & skf18("7","6","1","6","7","10","1") = "9"
    & skf18("7","6","1","6","8","1","1") = "7"
    & skf18("7","6","1","6","8","2","1") = "7"
    & skf18("7","6","1","6","8","3","1") = "7"
    & skf18("7","6","1","6","8","4","1") = "7"
    & skf18("7","6","1","6","8","5","1") = "7"
    & skf18("7","6","1","6","8","6","1") = "7"
    & skf18("7","6","1","6","8","7","1") = "7"
    & skf18("7","6","1","6","8","8","1") = "7"
    & skf18("7","6","1","6","8","9","1") = "8"
    & skf18("7","6","1","6","8","10","1") = "9"
    & skf18("7","6","1","6","9","1","1") = "8"
    & skf18("7","6","1","6","9","2","1") = "8"
    & skf18("7","6","1","6","9","3","1") = "8"
    & skf18("7","6","1","6","9","4","1") = "8"
    & skf18("7","6","1","6","9","5","1") = "8"
    & skf18("7","6","1","6","9","6","1") = "8"
    & skf18("7","6","1","6","9","7","1") = "8"
    & skf18("7","6","1","6","9","8","1") = "8"
    & skf18("7","6","1","6","9","9","1") = "8"
    & skf18("7","6","1","6","9","10","1") = "9"
    & skf18("7","6","1","6","10","1","1") = "9"
    & skf18("7","6","1","6","10","2","1") = "9"
    & skf18("7","6","1","6","10","3","1") = "9"
    & skf18("7","6","1","6","10","4","1") = "9"
    & skf18("7","6","1","6","10","5","1") = "9"
    & skf18("7","6","1","6","10","6","1") = "9"
    & skf18("7","6","1","6","10","7","1") = "9"
    & skf18("7","6","1","6","10","8","1") = "9"
    & skf18("7","6","1","6","10","9","1") = "9"
    & skf18("7","6","1","6","10","10","1") = "9"
    & skf18("7","6","1","7","1","1","1") = "6"
    & skf18("7","6","1","7","1","2","1") = "6"
    & skf18("7","6","1","7","1","3","1") = "6"
    & skf18("7","6","1","7","1","4","1") = "6"
    & skf18("7","6","1","7","1","5","1") = "6"
    & skf18("7","6","1","7","1","6","1") = "6"
    & skf18("7","6","1","7","1","7","1") = "6"
    & skf18("7","6","1","7","1","8","1") = "7"
    & skf18("7","6","1","7","1","9","1") = "8"
    & skf18("7","6","1","7","1","10","1") = "9"
    & skf18("7","6","1","7","2","1","1") = "6"
    & skf18("7","6","1","7","2","2","1") = "6"
    & skf18("7","6","1","7","2","3","1") = "6"
    & skf18("7","6","1","7","2","4","1") = "6"
    & skf18("7","6","1","7","2","5","1") = "6"
    & skf18("7","6","1","7","2","6","1") = "6"
    & skf18("7","6","1","7","2","7","1") = "6"
    & skf18("7","6","1","7","2","8","1") = "7"
    & skf18("7","6","1","7","2","9","1") = "8"
    & skf18("7","6","1","7","2","10","1") = "9"
    & skf18("7","6","1","7","3","1","1") = "6"
    & skf18("7","6","1","7","3","2","1") = "6"
    & skf18("7","6","1","7","3","3","1") = "6"
    & skf18("7","6","1","7","3","4","1") = "6"
    & skf18("7","6","1","7","3","5","1") = "6"
    & skf18("7","6","1","7","3","6","1") = "6"
    & skf18("7","6","1","7","3","7","1") = "6"
    & skf18("7","6","1","7","3","8","1") = "7"
    & skf18("7","6","1","7","3","9","1") = "8"
    & skf18("7","6","1","7","3","10","1") = "9"
    & skf18("7","6","1","7","4","1","1") = "6"
    & skf18("7","6","1","7","4","2","1") = "6"
    & skf18("7","6","1","7","4","3","1") = "6"
    & skf18("7","6","1","7","4","4","1") = "6"
    & skf18("7","6","1","7","4","5","1") = "6"
    & skf18("7","6","1","7","4","6","1") = "6"
    & skf18("7","6","1","7","4","7","1") = "6"
    & skf18("7","6","1","7","4","8","1") = "7"
    & skf18("7","6","1","7","4","9","1") = "8"
    & skf18("7","6","1","7","4","10","1") = "9"
    & skf18("7","6","1","7","5","1","1") = "6"
    & skf18("7","6","1","7","5","2","1") = "6"
    & skf18("7","6","1","7","5","3","1") = "6"
    & skf18("7","6","1","7","5","4","1") = "6"
    & skf18("7","6","1","7","5","5","1") = "6"
    & skf18("7","6","1","7","5","6","1") = "6"
    & skf18("7","6","1","7","5","7","1") = "6"
    & skf18("7","6","1","7","5","8","1") = "7"
    & skf18("7","6","1","7","5","9","1") = "8"
    & skf18("7","6","1","7","5","10","1") = "9"
    & skf18("7","6","1","7","6","1","1") = "6"
    & skf18("7","6","1","7","6","2","1") = "6"
    & skf18("7","6","1","7","6","3","1") = "6"
    & skf18("7","6","1","7","6","4","1") = "6"
    & skf18("7","6","1","7","6","5","1") = "6"
    & skf18("7","6","1","7","6","6","1") = "6"
    & skf18("7","6","1","7","6","7","1") = "6"
    & skf18("7","6","1","7","6","8","1") = "7"
    & skf18("7","6","1","7","6","9","1") = "8"
    & skf18("7","6","1","7","6","10","1") = "9"
    & skf18("7","6","1","7","7","1","1") = "6"
    & skf18("7","6","1","7","7","2","1") = "6"
    & skf18("7","6","1","7","7","3","1") = "6"
    & skf18("7","6","1","7","7","4","1") = "6"
    & skf18("7","6","1","7","7","5","1") = "6"
    & skf18("7","6","1","7","7","6","1") = "6"
    & skf18("7","6","1","7","7","7","1") = "6"
    & skf18("7","6","1","7","7","8","1") = "7"
    & skf18("7","6","1","7","7","9","1") = "8"
    & skf18("7","6","1","7","7","10","1") = "9"
    & skf18("7","6","1","7","8","1","1") = "7"
    & skf18("7","6","1","7","8","2","1") = "7"
    & skf18("7","6","1","7","8","3","1") = "7"
    & skf18("7","6","1","7","8","4","1") = "7"
    & skf18("7","6","1","7","8","5","1") = "7"
    & skf18("7","6","1","7","8","6","1") = "7"
    & skf18("7","6","1","7","8","7","1") = "7"
    & skf18("7","6","1","7","8","8","1") = "7"
    & skf18("7","6","1","7","8","9","1") = "8"
    & skf18("7","6","1","7","8","10","1") = "9"
    & skf18("7","6","1","7","9","1","1") = "8"
    & skf18("7","6","1","7","9","2","1") = "8"
    & skf18("7","6","1","7","9","3","1") = "8"
    & skf18("7","6","1","7","9","4","1") = "8"
    & skf18("7","6","1","7","9","5","1") = "8"
    & skf18("7","6","1","7","9","6","1") = "8"
    & skf18("7","6","1","7","9","7","1") = "8"
    & skf18("7","6","1","7","9","8","1") = "8"
    & skf18("7","6","1","7","9","9","1") = "8"
    & skf18("7","6","1","7","9","10","1") = "9"
    & skf18("7","6","1","7","10","1","1") = "9"
    & skf18("7","6","1","7","10","2","1") = "9"
    & skf18("7","6","1","7","10","3","1") = "9"
    & skf18("7","6","1","7","10","4","1") = "9"
    & skf18("7","6","1","7","10","5","1") = "9"
    & skf18("7","6","1","7","10","6","1") = "9"
    & skf18("7","6","1","7","10","7","1") = "9"
    & skf18("7","6","1","7","10","8","1") = "9"
    & skf18("7","6","1","7","10","9","1") = "9"
    & skf18("7","6","1","7","10","10","1") = "9"
    & skf18("7","6","1","8","1","1","1") = "7"
    & skf18("7","6","1","8","1","2","1") = "7"
    & skf18("7","6","1","8","1","3","1") = "7"
    & skf18("7","6","1","8","1","4","1") = "7"
    & skf18("7","6","1","8","1","5","1") = "7"
    & skf18("7","6","1","8","1","6","1") = "7"
    & skf18("7","6","1","8","1","7","1") = "7"
    & skf18("7","6","1","8","1","8","1") = "7"
    & skf18("7","6","1","8","1","9","1") = "8"
    & skf18("7","6","1","8","1","10","1") = "9"
    & skf18("7","6","1","8","2","1","1") = "7"
    & skf18("7","6","1","8","2","2","1") = "7"
    & skf18("7","6","1","8","2","3","1") = "7"
    & skf18("7","6","1","8","2","4","1") = "7"
    & skf18("7","6","1","8","2","5","1") = "7"
    & skf18("7","6","1","8","2","6","1") = "7"
    & skf18("7","6","1","8","2","7","1") = "7"
    & skf18("7","6","1","8","2","8","1") = "7"
    & skf18("7","6","1","8","2","9","1") = "8"
    & skf18("7","6","1","8","2","10","1") = "9"
    & skf18("7","6","1","8","3","1","1") = "7"
    & skf18("7","6","1","8","3","2","1") = "7"
    & skf18("7","6","1","8","3","3","1") = "7"
    & skf18("7","6","1","8","3","4","1") = "7"
    & skf18("7","6","1","8","3","5","1") = "7"
    & skf18("7","6","1","8","3","6","1") = "7"
    & skf18("7","6","1","8","3","7","1") = "7"
    & skf18("7","6","1","8","3","8","1") = "7"
    & skf18("7","6","1","8","3","9","1") = "8"
    & skf18("7","6","1","8","3","10","1") = "9"
    & skf18("7","6","1","8","4","1","1") = "7"
    & skf18("7","6","1","8","4","2","1") = "7"
    & skf18("7","6","1","8","4","3","1") = "7"
    & skf18("7","6","1","8","4","4","1") = "7"
    & skf18("7","6","1","8","4","5","1") = "7"
    & skf18("7","6","1","8","4","6","1") = "7"
    & skf18("7","6","1","8","4","7","1") = "7"
    & skf18("7","6","1","8","4","8","1") = "7"
    & skf18("7","6","1","8","4","9","1") = "8"
    & skf18("7","6","1","8","4","10","1") = "9"
    & skf18("7","6","1","8","5","1","1") = "7"
    & skf18("7","6","1","8","5","2","1") = "7"
    & skf18("7","6","1","8","5","3","1") = "7"
    & skf18("7","6","1","8","5","4","1") = "7"
    & skf18("7","6","1","8","5","5","1") = "7"
    & skf18("7","6","1","8","5","6","1") = "7"
    & skf18("7","6","1","8","5","7","1") = "7"
    & skf18("7","6","1","8","5","8","1") = "7"
    & skf18("7","6","1","8","5","9","1") = "8"
    & skf18("7","6","1","8","5","10","1") = "9"
    & skf18("7","6","1","8","6","1","1") = "7"
    & skf18("7","6","1","8","6","2","1") = "7"
    & skf18("7","6","1","8","6","3","1") = "7"
    & skf18("7","6","1","8","6","4","1") = "7"
    & skf18("7","6","1","8","6","5","1") = "7"
    & skf18("7","6","1","8","6","6","1") = "7"
    & skf18("7","6","1","8","6","7","1") = "7"
    & skf18("7","6","1","8","6","8","1") = "7"
    & skf18("7","6","1","8","6","9","1") = "8"
    & skf18("7","6","1","8","6","10","1") = "9"
    & skf18("7","6","1","8","7","1","1") = "7"
    & skf18("7","6","1","8","7","2","1") = "7"
    & skf18("7","6","1","8","7","3","1") = "7"
    & skf18("7","6","1","8","7","4","1") = "7"
    & skf18("7","6","1","8","7","5","1") = "7"
    & skf18("7","6","1","8","7","6","1") = "7"
    & skf18("7","6","1","8","7","7","1") = "7"
    & skf18("7","6","1","8","7","8","1") = "7"
    & skf18("7","6","1","8","7","9","1") = "8"
    & skf18("7","6","1","8","7","10","1") = "9"
    & skf18("7","6","1","8","8","1","1") = "7"
    & skf18("7","6","1","8","8","2","1") = "7"
    & skf18("7","6","1","8","8","3","1") = "7"
    & skf18("7","6","1","8","8","4","1") = "7"
    & skf18("7","6","1","8","8","5","1") = "7"
    & skf18("7","6","1","8","8","6","1") = "7"
    & skf18("7","6","1","8","8","7","1") = "7"
    & skf18("7","6","1","8","8","8","1") = "7"
    & skf18("7","6","1","8","8","9","1") = "8"
    & skf18("7","6","1","8","8","10","1") = "9"
    & skf18("7","6","1","8","9","1","1") = "8"
    & skf18("7","6","1","8","9","2","1") = "8"
    & skf18("7","6","1","8","9","3","1") = "8"
    & skf18("7","6","1","8","9","4","1") = "8"
    & skf18("7","6","1","8","9","5","1") = "8"
    & skf18("7","6","1","8","9","6","1") = "8"
    & skf18("7","6","1","8","9","7","1") = "8"
    & skf18("7","6","1","8","9","8","1") = "8"
    & skf18("7","6","1","8","9","9","1") = "8"
    & skf18("7","6","1","8","9","10","1") = "9"
    & skf18("7","6","1","8","10","1","1") = "9"
    & skf18("7","6","1","8","10","2","1") = "9"
    & skf18("7","6","1","8","10","3","1") = "9"
    & skf18("7","6","1","8","10","4","1") = "9"
    & skf18("7","6","1","8","10","5","1") = "9"
    & skf18("7","6","1","8","10","6","1") = "9"
    & skf18("7","6","1","8","10","7","1") = "9"
    & skf18("7","6","1","8","10","8","1") = "9"
    & skf18("7","6","1","8","10","9","1") = "9"
    & skf18("7","6","1","8","10","10","1") = "9"
    & skf18("7","6","1","9","1","1","1") = "8"
    & skf18("7","6","1","9","1","2","1") = "8"
    & skf18("7","6","1","9","1","3","1") = "8"
    & skf18("7","6","1","9","1","4","1") = "8"
    & skf18("7","6","1","9","1","5","1") = "8"
    & skf18("7","6","1","9","1","6","1") = "8"
    & skf18("7","6","1","9","1","7","1") = "8"
    & skf18("7","6","1","9","1","8","1") = "8"
    & skf18("7","6","1","9","1","9","1") = "8"
    & skf18("7","6","1","9","1","10","1") = "9"
    & skf18("7","6","1","9","2","1","1") = "8"
    & skf18("7","6","1","9","2","2","1") = "8"
    & skf18("7","6","1","9","2","3","1") = "8"
    & skf18("7","6","1","9","2","4","1") = "8"
    & skf18("7","6","1","9","2","5","1") = "8"
    & skf18("7","6","1","9","2","6","1") = "8"
    & skf18("7","6","1","9","2","7","1") = "8"
    & skf18("7","6","1","9","2","8","1") = "8"
    & skf18("7","6","1","9","2","9","1") = "8"
    & skf18("7","6","1","9","2","10","1") = "9"
    & skf18("7","6","1","9","3","1","1") = "8"
    & skf18("7","6","1","9","3","2","1") = "8"
    & skf18("7","6","1","9","3","3","1") = "8"
    & skf18("7","6","1","9","3","4","1") = "8"
    & skf18("7","6","1","9","3","5","1") = "8"
    & skf18("7","6","1","9","3","6","1") = "8"
    & skf18("7","6","1","9","3","7","1") = "8"
    & skf18("7","6","1","9","3","8","1") = "8"
    & skf18("7","6","1","9","3","9","1") = "8"
    & skf18("7","6","1","9","3","10","1") = "9"
    & skf18("7","6","1","9","4","1","1") = "8"
    & skf18("7","6","1","9","4","2","1") = "8"
    & skf18("7","6","1","9","4","3","1") = "8"
    & skf18("7","6","1","9","4","4","1") = "8"
    & skf18("7","6","1","9","4","5","1") = "8"
    & skf18("7","6","1","9","4","6","1") = "8"
    & skf18("7","6","1","9","4","7","1") = "8"
    & skf18("7","6","1","9","4","8","1") = "8"
    & skf18("7","6","1","9","4","9","1") = "8"
    & skf18("7","6","1","9","4","10","1") = "9"
    & skf18("7","6","1","9","5","1","1") = "8"
    & skf18("7","6","1","9","5","2","1") = "8"
    & skf18("7","6","1","9","5","3","1") = "8"
    & skf18("7","6","1","9","5","4","1") = "8"
    & skf18("7","6","1","9","5","5","1") = "8"
    & skf18("7","6","1","9","5","6","1") = "8"
    & skf18("7","6","1","9","5","7","1") = "8"
    & skf18("7","6","1","9","5","8","1") = "8"
    & skf18("7","6","1","9","5","9","1") = "8"
    & skf18("7","6","1","9","5","10","1") = "9"
    & skf18("7","6","1","9","6","1","1") = "8"
    & skf18("7","6","1","9","6","2","1") = "8"
    & skf18("7","6","1","9","6","3","1") = "8"
    & skf18("7","6","1","9","6","4","1") = "8"
    & skf18("7","6","1","9","6","5","1") = "8"
    & skf18("7","6","1","9","6","6","1") = "8"
    & skf18("7","6","1","9","6","7","1") = "8"
    & skf18("7","6","1","9","6","8","1") = "8"
    & skf18("7","6","1","9","6","9","1") = "8"
    & skf18("7","6","1","9","6","10","1") = "9"
    & skf18("7","6","1","9","7","1","1") = "8"
    & skf18("7","6","1","9","7","2","1") = "8"
    & skf18("7","6","1","9","7","3","1") = "8"
    & skf18("7","6","1","9","7","4","1") = "8"
    & skf18("7","6","1","9","7","5","1") = "8"
    & skf18("7","6","1","9","7","6","1") = "8"
    & skf18("7","6","1","9","7","7","1") = "8"
    & skf18("7","6","1","9","7","8","1") = "8"
    & skf18("7","6","1","9","7","9","1") = "8"
    & skf18("7","6","1","9","7","10","1") = "9"
    & skf18("7","6","1","9","8","1","1") = "8"
    & skf18("7","6","1","9","8","2","1") = "8"
    & skf18("7","6","1","9","8","3","1") = "8"
    & skf18("7","6","1","9","8","4","1") = "8"
    & skf18("7","6","1","9","8","5","1") = "8"
    & skf18("7","6","1","9","8","6","1") = "8"
    & skf18("7","6","1","9","8","7","1") = "8"
    & skf18("7","6","1","9","8","8","1") = "8"
    & skf18("7","6","1","9","8","9","1") = "8"
    & skf18("7","6","1","9","8","10","1") = "9"
    & skf18("7","6","1","9","9","1","1") = "8"
    & skf18("7","6","1","9","9","2","1") = "8"
    & skf18("7","6","1","9","9","3","1") = "8"
    & skf18("7","6","1","9","9","4","1") = "8"
    & skf18("7","6","1","9","9","5","1") = "8"
    & skf18("7","6","1","9","9","6","1") = "8"
    & skf18("7","6","1","9","9","7","1") = "8"
    & skf18("7","6","1","9","9","8","1") = "8"
    & skf18("7","6","1","9","9","9","1") = "8"
    & skf18("7","6","1","9","9","10","1") = "9"
    & skf18("7","6","1","9","10","1","1") = "9"
    & skf18("7","6","1","9","10","2","1") = "9"
    & skf18("7","6","1","9","10","3","1") = "9"
    & skf18("7","6","1","9","10","4","1") = "9"
    & skf18("7","6","1","9","10","5","1") = "9"
    & skf18("7","6","1","9","10","6","1") = "9"
    & skf18("7","6","1","9","10","7","1") = "9"
    & skf18("7","6","1","9","10","8","1") = "9"
    & skf18("7","6","1","9","10","9","1") = "9"
    & skf18("7","6","1","9","10","10","1") = "9"
    & skf18("7","6","1","10","1","1","1") = "9"
    & skf18("7","6","1","10","1","2","1") = "9"
    & skf18("7","6","1","10","1","3","1") = "9"
    & skf18("7","6","1","10","1","4","1") = "9"
    & skf18("7","6","1","10","1","5","1") = "9"
    & skf18("7","6","1","10","1","6","1") = "9"
    & skf18("7","6","1","10","1","7","1") = "9"
    & skf18("7","6","1","10","1","8","1") = "9"
    & skf18("7","6","1","10","1","9","1") = "9"
    & skf18("7","6","1","10","1","10","1") = "9"
    & skf18("7","6","1","10","2","1","1") = "9"
    & skf18("7","6","1","10","2","2","1") = "9"
    & skf18("7","6","1","10","2","3","1") = "9"
    & skf18("7","6","1","10","2","4","1") = "9"
    & skf18("7","6","1","10","2","5","1") = "9"
    & skf18("7","6","1","10","2","6","1") = "9"
    & skf18("7","6","1","10","2","7","1") = "9"
    & skf18("7","6","1","10","2","8","1") = "9"
    & skf18("7","6","1","10","2","9","1") = "9"
    & skf18("7","6","1","10","2","10","1") = "9"
    & skf18("7","6","1","10","3","1","1") = "9"
    & skf18("7","6","1","10","3","2","1") = "9"
    & skf18("7","6","1","10","3","3","1") = "9"
    & skf18("7","6","1","10","3","4","1") = "9"
    & skf18("7","6","1","10","3","5","1") = "9"
    & skf18("7","6","1","10","3","6","1") = "9"
    & skf18("7","6","1","10","3","7","1") = "9"
    & skf18("7","6","1","10","3","8","1") = "9"
    & skf18("7","6","1","10","3","9","1") = "9"
    & skf18("7","6","1","10","3","10","1") = "9"
    & skf18("7","6","1","10","4","1","1") = "9"
    & skf18("7","6","1","10","4","2","1") = "9"
    & skf18("7","6","1","10","4","3","1") = "9"
    & skf18("7","6","1","10","4","4","1") = "9"
    & skf18("7","6","1","10","4","5","1") = "9"
    & skf18("7","6","1","10","4","6","1") = "9"
    & skf18("7","6","1","10","4","7","1") = "9"
    & skf18("7","6","1","10","4","8","1") = "9"
    & skf18("7","6","1","10","4","9","1") = "9"
    & skf18("7","6","1","10","4","10","1") = "9"
    & skf18("7","6","1","10","5","1","1") = "9"
    & skf18("7","6","1","10","5","2","1") = "9"
    & skf18("7","6","1","10","5","3","1") = "9"
    & skf18("7","6","1","10","5","4","1") = "9"
    & skf18("7","6","1","10","5","5","1") = "9"
    & skf18("7","6","1","10","5","6","1") = "9"
    & skf18("7","6","1","10","5","7","1") = "9"
    & skf18("7","6","1","10","5","8","1") = "9"
    & skf18("7","6","1","10","5","9","1") = "9"
    & skf18("7","6","1","10","5","10","1") = "9"
    & skf18("7","6","1","10","6","1","1") = "9"
    & skf18("7","6","1","10","6","2","1") = "9"
    & skf18("7","6","1","10","6","3","1") = "9"
    & skf18("7","6","1","10","6","4","1") = "9"
    & skf18("7","6","1","10","6","5","1") = "9"
    & skf18("7","6","1","10","6","6","1") = "9"
    & skf18("7","6","1","10","6","7","1") = "9"
    & skf18("7","6","1","10","6","8","1") = "9"
    & skf18("7","6","1","10","6","9","1") = "9"
    & skf18("7","6","1","10","6","10","1") = "9"
    & skf18("7","6","1","10","7","1","1") = "9"
    & skf18("7","6","1","10","7","2","1") = "9"
    & skf18("7","6","1","10","7","3","1") = "9"
    & skf18("7","6","1","10","7","4","1") = "9"
    & skf18("7","6","1","10","7","5","1") = "9"
    & skf18("7","6","1","10","7","6","1") = "9"
    & skf18("7","6","1","10","7","7","1") = "9"
    & skf18("7","6","1","10","7","8","1") = "9"
    & skf18("7","6","1","10","7","9","1") = "9"
    & skf18("7","6","1","10","7","10","1") = "9"
    & skf18("7","6","1","10","8","1","1") = "9"
    & skf18("7","6","1","10","8","2","1") = "9"
    & skf18("7","6","1","10","8","3","1") = "9"
    & skf18("7","6","1","10","8","4","1") = "9"
    & skf18("7","6","1","10","8","5","1") = "9"
    & skf18("7","6","1","10","8","6","1") = "9"
    & skf18("7","6","1","10","8","7","1") = "9"
    & skf18("7","6","1","10","8","8","1") = "9"
    & skf18("7","6","1","10","8","9","1") = "9"
    & skf18("7","6","1","10","8","10","1") = "9"
    & skf18("7","6","1","10","9","1","1") = "9"
    & skf18("7","6","1","10","9","2","1") = "9"
    & skf18("7","6","1","10","9","3","1") = "9"
    & skf18("7","6","1","10","9","4","1") = "9"
    & skf18("7","6","1","10","9","5","1") = "9"
    & skf18("7","6","1","10","9","6","1") = "9"
    & skf18("7","6","1","10","9","7","1") = "9"
    & skf18("7","6","1","10","9","8","1") = "9"
    & skf18("7","6","1","10","9","9","1") = "9"
    & skf18("7","6","1","10","9","10","1") = "9"
    & skf18("7","6","1","10","10","1","1") = "9"
    & skf18("7","6","1","10","10","2","1") = "9"
    & skf18("7","6","1","10","10","3","1") = "9"
    & skf18("7","6","1","10","10","4","1") = "9"
    & skf18("7","6","1","10","10","5","1") = "9"
    & skf18("7","6","1","10","10","6","1") = "9"
    & skf18("7","6","1","10","10","7","1") = "9"
    & skf18("7","6","1","10","10","8","1") = "9"
    & skf18("7","6","1","10","10","9","1") = "9"
    & skf18("7","6","1","10","10","10","1") = "9"
    & skf18("7","6","2","1","1","1","1") = "6"
    & skf18("7","6","2","1","1","2","1") = "6"
    & skf18("7","6","2","1","1","3","1") = "6"
    & skf18("7","6","2","1","1","4","1") = "6"
    & skf18("7","6","2","1","1","5","1") = "6"
    & skf18("7","6","2","1","1","6","1") = "6"
    & skf18("7","6","2","1","1","7","1") = "6"
    & skf18("7","6","2","1","1","8","1") = "7"
    & skf18("7","6","2","1","1","9","1") = "8"
    & skf18("7","6","2","1","1","10","1") = "9"
    & skf18("7","6","2","1","2","1","1") = "6"
    & skf18("7","6","2","1","2","2","1") = "6"
    & skf18("7","6","2","1","2","3","1") = "6"
    & skf18("7","6","2","1","2","4","1") = "6"
    & skf18("7","6","2","1","2","5","1") = "6"
    & skf18("7","6","2","1","2","6","1") = "6"
    & skf18("7","6","2","1","2","7","1") = "6"
    & skf18("7","6","2","1","2","8","1") = "7"
    & skf18("7","6","2","1","2","9","1") = "8"
    & skf18("7","6","2","1","2","10","1") = "9"
    & skf18("7","6","2","1","3","1","1") = "6"
    & skf18("7","6","2","1","3","2","1") = "6"
    & skf18("7","6","2","1","3","3","1") = "6"
    & skf18("7","6","2","1","3","4","1") = "6"
    & skf18("7","6","2","1","3","5","1") = "6"
    & skf18("7","6","2","1","3","6","1") = "6"
    & skf18("7","6","2","1","3","7","1") = "6"
    & skf18("7","6","2","1","3","8","1") = "7"
    & skf18("7","6","2","1","3","9","1") = "8"
    & skf18("7","6","2","1","3","10","1") = "9"
    & skf18("7","6","2","1","4","1","1") = "6"
    & skf18("7","6","2","1","4","2","1") = "6"
    & skf18("7","6","2","1","4","3","1") = "6"
    & skf18("7","6","2","1","4","4","1") = "6"
    & skf18("7","6","2","1","4","5","1") = "6"
    & skf18("7","6","2","1","4","6","1") = "6"
    & skf18("7","6","2","1","4","7","1") = "6"
    & skf18("7","6","2","1","4","8","1") = "7"
    & skf18("7","6","2","1","4","9","1") = "8"
    & skf18("7","6","2","1","4","10","1") = "9"
    & skf18("7","6","2","1","5","1","1") = "6"
    & skf18("7","6","2","1","5","2","1") = "6"
    & skf18("7","6","2","1","5","3","1") = "6"
    & skf18("7","6","2","1","5","4","1") = "6"
    & skf18("7","6","2","1","5","5","1") = "6"
    & skf18("7","6","2","1","5","6","1") = "6"
    & skf18("7","6","2","1","5","7","1") = "6"
    & skf18("7","6","2","1","5","8","1") = "7"
    & skf18("7","6","2","1","5","9","1") = "8"
    & skf18("7","6","2","1","5","10","1") = "9"
    & skf18("7","6","2","1","6","1","1") = "6"
    & skf18("7","6","2","1","6","2","1") = "6"
    & skf18("7","6","2","1","6","3","1") = "6"
    & skf18("7","6","2","1","6","4","1") = "6"
    & skf18("7","6","2","1","6","5","1") = "6"
    & skf18("7","6","2","1","6","6","1") = "6"
    & skf18("7","6","2","1","6","7","1") = "6"
    & skf18("7","6","2","1","6","8","1") = "7"
    & skf18("7","6","2","1","6","9","1") = "8"
    & skf18("7","6","2","1","6","10","1") = "9"
    & skf18("7","6","2","1","7","1","1") = "6"
    & skf18("7","6","2","1","7","2","1") = "6"
    & skf18("7","6","2","1","7","3","1") = "6"
    & skf18("7","6","2","1","7","4","1") = "6"
    & skf18("7","6","2","1","7","5","1") = "6"
    & skf18("7","6","2","1","7","6","1") = "6"
    & skf18("7","6","2","1","7","7","1") = "6"
    & skf18("7","6","2","1","7","8","1") = "7"
    & skf18("7","6","2","1","7","9","1") = "8"
    & skf18("7","6","2","1","7","10","1") = "9"
    & skf18("7","6","2","1","8","1","1") = "7"
    & skf18("7","6","2","1","8","2","1") = "7"
    & skf18("7","6","2","1","8","3","1") = "7"
    & skf18("7","6","2","1","8","4","1") = "7"
    & skf18("7","6","2","1","8","5","1") = "7"
    & skf18("7","6","2","1","8","6","1") = "7"
    & skf18("7","6","2","1","8","7","1") = "7"
    & skf18("7","6","2","1","8","8","1") = "7"
    & skf18("7","6","2","1","8","9","1") = "8"
    & skf18("7","6","2","1","8","10","1") = "9"
    & skf18("7","6","2","1","9","1","1") = "8"
    & skf18("7","6","2","1","9","2","1") = "8"
    & skf18("7","6","2","1","9","3","1") = "8"
    & skf18("7","6","2","1","9","4","1") = "8"
    & skf18("7","6","2","1","9","5","1") = "8"
    & skf18("7","6","2","1","9","6","1") = "8"
    & skf18("7","6","2","1","9","7","1") = "8"
    & skf18("7","6","2","1","9","8","1") = "8"
    & skf18("7","6","2","1","9","9","1") = "8"
    & skf18("7","6","2","1","9","10","1") = "9"
    & skf18("7","6","2","1","10","1","1") = "9"
    & skf18("7","6","2","1","10","2","1") = "9"
    & skf18("7","6","2","1","10","3","1") = "9"
    & skf18("7","6","2","1","10","4","1") = "9"
    & skf18("7","6","2","1","10","5","1") = "9"
    & skf18("7","6","2","1","10","6","1") = "9"
    & skf18("7","6","2","1","10","7","1") = "9"
    & skf18("7","6","2","1","10","8","1") = "9"
    & skf18("7","6","2","1","10","9","1") = "9"
    & skf18("7","6","2","1","10","10","1") = "9"
    & skf18("7","6","2","2","1","1","1") = "6"
    & skf18("7","6","2","2","1","2","1") = "6"
    & skf18("7","6","2","2","1","3","1") = "6"
    & skf18("7","6","2","2","1","4","1") = "6"
    & skf18("7","6","2","2","1","5","1") = "6"
    & skf18("7","6","2","2","1","6","1") = "6"
    & skf18("7","6","2","2","1","7","1") = "6"
    & skf18("7","6","2","2","1","8","1") = "7"
    & skf18("7","6","2","2","1","9","1") = "8"
    & skf18("7","6","2","2","1","10","1") = "9"
    & skf18("7","6","2","2","2","1","1") = "6"
    & skf18("7","6","2","2","2","2","1") = "6"
    & skf18("7","6","2","2","2","3","1") = "6"
    & skf18("7","6","2","2","2","4","1") = "6"
    & skf18("7","6","2","2","2","5","1") = "6"
    & skf18("7","6","2","2","2","6","1") = "6"
    & skf18("7","6","2","2","2","7","1") = "6"
    & skf18("7","6","2","2","2","8","1") = "7"
    & skf18("7","6","2","2","2","9","1") = "8"
    & skf18("7","6","2","2","2","10","1") = "9"
    & skf18("7","6","2","2","3","1","1") = "6"
    & skf18("7","6","2","2","3","2","1") = "6"
    & skf18("7","6","2","2","3","3","1") = "6"
    & skf18("7","6","2","2","3","4","1") = "6"
    & skf18("7","6","2","2","3","5","1") = "6"
    & skf18("7","6","2","2","3","6","1") = "6"
    & skf18("7","6","2","2","3","7","1") = "6"
    & skf18("7","6","2","2","3","8","1") = "7"
    & skf18("7","6","2","2","3","9","1") = "8"
    & skf18("7","6","2","2","3","10","1") = "9"
    & skf18("7","6","2","2","4","1","1") = "6"
    & skf18("7","6","2","2","4","2","1") = "6"
    & skf18("7","6","2","2","4","3","1") = "6"
    & skf18("7","6","2","2","4","4","1") = "6"
    & skf18("7","6","2","2","4","5","1") = "6"
    & skf18("7","6","2","2","4","6","1") = "6"
    & skf18("7","6","2","2","4","7","1") = "6"
    & skf18("7","6","2","2","4","8","1") = "7"
    & skf18("7","6","2","2","4","9","1") = "8"
    & skf18("7","6","2","2","4","10","1") = "9"
    & skf18("7","6","2","2","5","1","1") = "6"
    & skf18("7","6","2","2","5","2","1") = "6"
    & skf18("7","6","2","2","5","3","1") = "6"
    & skf18("7","6","2","2","5","4","1") = "6"
    & skf18("7","6","2","2","5","5","1") = "6"
    & skf18("7","6","2","2","5","6","1") = "6"
    & skf18("7","6","2","2","5","7","1") = "6"
    & skf18("7","6","2","2","5","8","1") = "7"
    & skf18("7","6","2","2","5","9","1") = "8"
    & skf18("7","6","2","2","5","10","1") = "9"
    & skf18("7","6","2","2","6","1","1") = "6"
    & skf18("7","6","2","2","6","2","1") = "6"
    & skf18("7","6","2","2","6","3","1") = "6"
    & skf18("7","6","2","2","6","4","1") = "6"
    & skf18("7","6","2","2","6","5","1") = "6"
    & skf18("7","6","2","2","6","6","1") = "6"
    & skf18("7","6","2","2","6","7","1") = "6"
    & skf18("7","6","2","2","6","8","1") = "7"
    & skf18("7","6","2","2","6","9","1") = "8"
    & skf18("7","6","2","2","6","10","1") = "9"
    & skf18("7","6","2","2","7","1","1") = "6"
    & skf18("7","6","2","2","7","2","1") = "6"
    & skf18("7","6","2","2","7","3","1") = "6"
    & skf18("7","6","2","2","7","4","1") = "6"
    & skf18("7","6","2","2","7","5","1") = "6"
    & skf18("7","6","2","2","7","6","1") = "6"
    & skf18("7","6","2","2","7","7","1") = "6"
    & skf18("7","6","2","2","7","8","1") = "7"
    & skf18("7","6","2","2","7","9","1") = "8"
    & skf18("7","6","2","2","7","10","1") = "9"
    & skf18("7","6","2","2","8","1","1") = "7"
    & skf18("7","6","2","2","8","2","1") = "7"
    & skf18("7","6","2","2","8","3","1") = "7"
    & skf18("7","6","2","2","8","4","1") = "7"
    & skf18("7","6","2","2","8","5","1") = "7"
    & skf18("7","6","2","2","8","6","1") = "7"
    & skf18("7","6","2","2","8","7","1") = "7"
    & skf18("7","6","2","2","8","8","1") = "7"
    & skf18("7","6","2","2","8","9","1") = "8"
    & skf18("7","6","2","2","8","10","1") = "9"
    & skf18("7","6","2","2","9","1","1") = "8"
    & skf18("7","6","2","2","9","2","1") = "8"
    & skf18("7","6","2","2","9","3","1") = "8"
    & skf18("7","6","2","2","9","4","1") = "8"
    & skf18("7","6","2","2","9","5","1") = "8"
    & skf18("7","6","2","2","9","6","1") = "8"
    & skf18("7","6","2","2","9","7","1") = "8"
    & skf18("7","6","2","2","9","8","1") = "8"
    & skf18("7","6","2","2","9","9","1") = "8"
    & skf18("7","6","2","2","9","10","1") = "9"
    & skf18("7","6","2","2","10","1","1") = "9"
    & skf18("7","6","2","2","10","2","1") = "9"
    & skf18("7","6","2","2","10","3","1") = "9"
    & skf18("7","6","2","2","10","4","1") = "9"
    & skf18("7","6","2","2","10","5","1") = "9"
    & skf18("7","6","2","2","10","6","1") = "9"
    & skf18("7","6","2","2","10","7","1") = "9"
    & skf18("7","6","2","2","10","8","1") = "9"
    & skf18("7","6","2","2","10","9","1") = "9"
    & skf18("7","6","2","2","10","10","1") = "9"
    & skf18("7","6","2","3","1","1","1") = "6"
    & skf18("7","6","2","3","1","2","1") = "6"
    & skf18("7","6","2","3","1","3","1") = "6"
    & skf18("7","6","2","3","1","4","1") = "6"
    & skf18("7","6","2","3","1","5","1") = "6"
    & skf18("7","6","2","3","1","6","1") = "6"
    & skf18("7","6","2","3","1","7","1") = "6"
    & skf18("7","6","2","3","1","8","1") = "7"
    & skf18("7","6","2","3","1","9","1") = "8"
    & skf18("7","6","2","3","1","10","1") = "9"
    & skf18("7","6","2","3","2","1","1") = "6"
    & skf18("7","6","2","3","2","2","1") = "6"
    & skf18("7","6","2","3","2","3","1") = "6"
    & skf18("7","6","2","3","2","4","1") = "6"
    & skf18("7","6","2","3","2","5","1") = "6"
    & skf18("7","6","2","3","2","6","1") = "6"
    & skf18("7","6","2","3","2","7","1") = "6"
    & skf18("7","6","2","3","2","8","1") = "7"
    & skf18("7","6","2","3","2","9","1") = "8"
    & skf18("7","6","2","3","2","10","1") = "9"
    & skf18("7","6","2","3","3","1","1") = "6"
    & skf18("7","6","2","3","3","2","1") = "6"
    & skf18("7","6","2","3","3","3","1") = "6"
    & skf18("7","6","2","3","3","4","1") = "6"
    & skf18("7","6","2","3","3","5","1") = "6"
    & skf18("7","6","2","3","3","6","1") = "6"
    & skf18("7","6","2","3","3","7","1") = "6"
    & skf18("7","6","2","3","3","8","1") = "7"
    & skf18("7","6","2","3","3","9","1") = "8"
    & skf18("7","6","2","3","3","10","1") = "9"
    & skf18("7","6","2","3","4","1","1") = "6"
    & skf18("7","6","2","3","4","2","1") = "6"
    & skf18("7","6","2","3","4","3","1") = "6"
    & skf18("7","6","2","3","4","4","1") = "6"
    & skf18("7","6","2","3","4","5","1") = "6"
    & skf18("7","6","2","3","4","6","1") = "6"
    & skf18("7","6","2","3","4","7","1") = "6"
    & skf18("7","6","2","3","4","8","1") = "7"
    & skf18("7","6","2","3","4","9","1") = "8"
    & skf18("7","6","2","3","4","10","1") = "9"
    & skf18("7","6","2","3","5","1","1") = "6"
    & skf18("7","6","2","3","5","2","1") = "6"
    & skf18("7","6","2","3","5","3","1") = "6"
    & skf18("7","6","2","3","5","4","1") = "6"
    & skf18("7","6","2","3","5","5","1") = "6"
    & skf18("7","6","2","3","5","6","1") = "6"
    & skf18("7","6","2","3","5","7","1") = "6"
    & skf18("7","6","2","3","5","8","1") = "7"
    & skf18("7","6","2","3","5","9","1") = "8"
    & skf18("7","6","2","3","5","10","1") = "9"
    & skf18("7","6","2","3","6","1","1") = "6"
    & skf18("7","6","2","3","6","2","1") = "6"
    & skf18("7","6","2","3","6","3","1") = "6"
    & skf18("7","6","2","3","6","4","1") = "6"
    & skf18("7","6","2","3","6","5","1") = "6"
    & skf18("7","6","2","3","6","6","1") = "6"
    & skf18("7","6","2","3","6","7","1") = "6"
    & skf18("7","6","2","3","6","8","1") = "7"
    & skf18("7","6","2","3","6","9","1") = "8"
    & skf18("7","6","2","3","6","10","1") = "9"
    & skf18("7","6","2","3","7","1","1") = "6"
    & skf18("7","6","2","3","7","2","1") = "6"
    & skf18("7","6","2","3","7","3","1") = "6"
    & skf18("7","6","2","3","7","4","1") = "6"
    & skf18("7","6","2","3","7","5","1") = "6"
    & skf18("7","6","2","3","7","6","1") = "6"
    & skf18("7","6","2","3","7","7","1") = "6"
    & skf18("7","6","2","3","7","8","1") = "7"
    & skf18("7","6","2","3","7","9","1") = "8"
    & skf18("7","6","2","3","7","10","1") = "9"
    & skf18("7","6","2","3","8","1","1") = "7"
    & skf18("7","6","2","3","8","2","1") = "7"
    & skf18("7","6","2","3","8","3","1") = "7"
    & skf18("7","6","2","3","8","4","1") = "7"
    & skf18("7","6","2","3","8","5","1") = "7"
    & skf18("7","6","2","3","8","6","1") = "7"
    & skf18("7","6","2","3","8","7","1") = "7"
    & skf18("7","6","2","3","8","8","1") = "7"
    & skf18("7","6","2","3","8","9","1") = "8"
    & skf18("7","6","2","3","8","10","1") = "9"
    & skf18("7","6","2","3","9","1","1") = "8"
    & skf18("7","6","2","3","9","2","1") = "8"
    & skf18("7","6","2","3","9","3","1") = "8"
    & skf18("7","6","2","3","9","4","1") = "8"
    & skf18("7","6","2","3","9","5","1") = "8"
    & skf18("7","6","2","3","9","6","1") = "8"
    & skf18("7","6","2","3","9","7","1") = "8"
    & skf18("7","6","2","3","9","8","1") = "8"
    & skf18("7","6","2","3","9","9","1") = "8"
    & skf18("7","6","2","3","9","10","1") = "9"
    & skf18("7","6","2","3","10","1","1") = "9"
    & skf18("7","6","2","3","10","2","1") = "9"
    & skf18("7","6","2","3","10","3","1") = "9"
    & skf18("7","6","2","3","10","4","1") = "9"
    & skf18("7","6","2","3","10","5","1") = "9"
    & skf18("7","6","2","3","10","6","1") = "9"
    & skf18("7","6","2","3","10","7","1") = "9"
    & skf18("7","6","2","3","10","8","1") = "9"
    & skf18("7","6","2","3","10","9","1") = "9"
    & skf18("7","6","2","3","10","10","1") = "9"
    & skf18("7","6","2","4","1","1","1") = "6"
    & skf18("7","6","2","4","1","2","1") = "6"
    & skf18("7","6","2","4","1","3","1") = "6"
    & skf18("7","6","2","4","1","4","1") = "6"
    & skf18("7","6","2","4","1","5","1") = "6"
    & skf18("7","6","2","4","1","6","1") = "6"
    & skf18("7","6","2","4","1","7","1") = "6"
    & skf18("7","6","2","4","1","8","1") = "7"
    & skf18("7","6","2","4","1","9","1") = "8"
    & skf18("7","6","2","4","1","10","1") = "9"
    & skf18("7","6","2","4","2","1","1") = "6"
    & skf18("7","6","2","4","2","2","1") = "6"
    & skf18("7","6","2","4","2","3","1") = "6"
    & skf18("7","6","2","4","2","4","1") = "6"
    & skf18("7","6","2","4","2","5","1") = "6"
    & skf18("7","6","2","4","2","6","1") = "6"
    & skf18("7","6","2","4","2","7","1") = "6"
    & skf18("7","6","2","4","2","8","1") = "7"
    & skf18("7","6","2","4","2","9","1") = "8"
    & skf18("7","6","2","4","2","10","1") = "9"
    & skf18("7","6","2","4","3","1","1") = "6"
    & skf18("7","6","2","4","3","2","1") = "6"
    & skf18("7","6","2","4","3","3","1") = "6"
    & skf18("7","6","2","4","3","4","1") = "6"
    & skf18("7","6","2","4","3","5","1") = "6"
    & skf18("7","6","2","4","3","6","1") = "6"
    & skf18("7","6","2","4","3","7","1") = "6"
    & skf18("7","6","2","4","3","8","1") = "7"
    & skf18("7","6","2","4","3","9","1") = "8"
    & skf18("7","6","2","4","3","10","1") = "9"
    & skf18("7","6","2","4","4","1","1") = "6"
    & skf18("7","6","2","4","4","2","1") = "6"
    & skf18("7","6","2","4","4","3","1") = "6"
    & skf18("7","6","2","4","4","4","1") = "6"
    & skf18("7","6","2","4","4","5","1") = "6"
    & skf18("7","6","2","4","4","6","1") = "6"
    & skf18("7","6","2","4","4","7","1") = "6"
    & skf18("7","6","2","4","4","8","1") = "7"
    & skf18("7","6","2","4","4","9","1") = "8"
    & skf18("7","6","2","4","4","10","1") = "9"
    & skf18("7","6","2","4","5","1","1") = "6"
    & skf18("7","6","2","4","5","2","1") = "6"
    & skf18("7","6","2","4","5","3","1") = "6"
    & skf18("7","6","2","4","5","4","1") = "6"
    & skf18("7","6","2","4","5","5","1") = "6"
    & skf18("7","6","2","4","5","6","1") = "6"
    & skf18("7","6","2","4","5","7","1") = "6"
    & skf18("7","6","2","4","5","8","1") = "7"
    & skf18("7","6","2","4","5","9","1") = "8"
    & skf18("7","6","2","4","5","10","1") = "9"
    & skf18("7","6","2","4","6","1","1") = "6"
    & skf18("7","6","2","4","6","2","1") = "6"
    & skf18("7","6","2","4","6","3","1") = "6"
    & skf18("7","6","2","4","6","4","1") = "6"
    & skf18("7","6","2","4","6","5","1") = "6"
    & skf18("7","6","2","4","6","6","1") = "6"
    & skf18("7","6","2","4","6","7","1") = "6"
    & skf18("7","6","2","4","6","8","1") = "7"
    & skf18("7","6","2","4","6","9","1") = "8"
    & skf18("7","6","2","4","6","10","1") = "9"
    & skf18("7","6","2","4","7","1","1") = "6"
    & skf18("7","6","2","4","7","2","1") = "6"
    & skf18("7","6","2","4","7","3","1") = "6"
    & skf18("7","6","2","4","7","4","1") = "6"
    & skf18("7","6","2","4","7","5","1") = "6"
    & skf18("7","6","2","4","7","6","1") = "6"
    & skf18("7","6","2","4","7","7","1") = "6"
    & skf18("7","6","2","4","7","8","1") = "7"
    & skf18("7","6","2","4","7","9","1") = "8"
    & skf18("7","6","2","4","7","10","1") = "9"
    & skf18("7","6","2","4","8","1","1") = "7"
    & skf18("7","6","2","4","8","2","1") = "7"
    & skf18("7","6","2","4","8","3","1") = "7"
    & skf18("7","6","2","4","8","4","1") = "7"
    & skf18("7","6","2","4","8","5","1") = "7"
    & skf18("7","6","2","4","8","6","1") = "7"
    & skf18("7","6","2","4","8","7","1") = "7"
    & skf18("7","6","2","4","8","8","1") = "7"
    & skf18("7","6","2","4","8","9","1") = "8"
    & skf18("7","6","2","4","8","10","1") = "9"
    & skf18("7","6","2","4","9","1","1") = "8"
    & skf18("7","6","2","4","9","2","1") = "8"
    & skf18("7","6","2","4","9","3","1") = "8"
    & skf18("7","6","2","4","9","4","1") = "8"
    & skf18("7","6","2","4","9","5","1") = "8"
    & skf18("7","6","2","4","9","6","1") = "8"
    & skf18("7","6","2","4","9","7","1") = "8"
    & skf18("7","6","2","4","9","8","1") = "8"
    & skf18("7","6","2","4","9","9","1") = "8"
    & skf18("7","6","2","4","9","10","1") = "9"
    & skf18("7","6","2","4","10","1","1") = "9"
    & skf18("7","6","2","4","10","2","1") = "9"
    & skf18("7","6","2","4","10","3","1") = "9"
    & skf18("7","6","2","4","10","4","1") = "9"
    & skf18("7","6","2","4","10","5","1") = "9"
    & skf18("7","6","2","4","10","6","1") = "9"
    & skf18("7","6","2","4","10","7","1") = "9"
    & skf18("7","6","2","4","10","8","1") = "9"
    & skf18("7","6","2","4","10","9","1") = "9"
    & skf18("7","6","2","4","10","10","1") = "9"
    & skf18("7","6","2","5","1","1","1") = "6"
    & skf18("7","6","2","5","1","2","1") = "6"
    & skf18("7","6","2","5","1","3","1") = "6"
    & skf18("7","6","2","5","1","4","1") = "6"
    & skf18("7","6","2","5","1","5","1") = "6"
    & skf18("7","6","2","5","1","6","1") = "6"
    & skf18("7","6","2","5","1","7","1") = "6"
    & skf18("7","6","2","5","1","8","1") = "7"
    & skf18("7","6","2","5","1","9","1") = "8"
    & skf18("7","6","2","5","1","10","1") = "9"
    & skf18("7","6","2","5","2","1","1") = "6"
    & skf18("7","6","2","5","2","2","1") = "6"
    & skf18("7","6","2","5","2","3","1") = "6"
    & skf18("7","6","2","5","2","4","1") = "6"
    & skf18("7","6","2","5","2","5","1") = "6"
    & skf18("7","6","2","5","2","6","1") = "6"
    & skf18("7","6","2","5","2","7","1") = "6"
    & skf18("7","6","2","5","2","8","1") = "7"
    & skf18("7","6","2","5","2","9","1") = "8"
    & skf18("7","6","2","5","2","10","1") = "9"
    & skf18("7","6","2","5","3","1","1") = "6"
    & skf18("7","6","2","5","3","2","1") = "6"
    & skf18("7","6","2","5","3","3","1") = "6"
    & skf18("7","6","2","5","3","4","1") = "6"
    & skf18("7","6","2","5","3","5","1") = "6"
    & skf18("7","6","2","5","3","6","1") = "6"
    & skf18("7","6","2","5","3","7","1") = "6"
    & skf18("7","6","2","5","3","8","1") = "7"
    & skf18("7","6","2","5","3","9","1") = "8"
    & skf18("7","6","2","5","3","10","1") = "9"
    & skf18("7","6","2","5","4","1","1") = "6"
    & skf18("7","6","2","5","4","2","1") = "6"
    & skf18("7","6","2","5","4","3","1") = "6"
    & skf18("7","6","2","5","4","4","1") = "6"
    & skf18("7","6","2","5","4","5","1") = "6"
    & skf18("7","6","2","5","4","6","1") = "6"
    & skf18("7","6","2","5","4","7","1") = "6"
    & skf18("7","6","2","5","4","8","1") = "7"
    & skf18("7","6","2","5","4","9","1") = "8"
    & skf18("7","6","2","5","4","10","1") = "9"
    & skf18("7","6","2","5","5","1","1") = "6"
    & skf18("7","6","2","5","5","2","1") = "6"
    & skf18("7","6","2","5","5","3","1") = "6"
    & skf18("7","6","2","5","5","4","1") = "6"
    & skf18("7","6","2","5","5","5","1") = "6"
    & skf18("7","6","2","5","5","6","1") = "6"
    & skf18("7","6","2","5","5","7","1") = "6"
    & skf18("7","6","2","5","5","8","1") = "7"
    & skf18("7","6","2","5","5","9","1") = "8"
    & skf18("7","6","2","5","5","10","1") = "9"
    & skf18("7","6","2","5","6","1","1") = "6"
    & skf18("7","6","2","5","6","2","1") = "6"
    & skf18("7","6","2","5","6","3","1") = "6"
    & skf18("7","6","2","5","6","4","1") = "6"
    & skf18("7","6","2","5","6","5","1") = "6"
    & skf18("7","6","2","5","6","6","1") = "6"
    & skf18("7","6","2","5","6","7","1") = "6"
    & skf18("7","6","2","5","6","8","1") = "7"
    & skf18("7","6","2","5","6","9","1") = "8"
    & skf18("7","6","2","5","6","10","1") = "9"
    & skf18("7","6","2","5","7","1","1") = "6"
    & skf18("7","6","2","5","7","2","1") = "6"
    & skf18("7","6","2","5","7","3","1") = "6"
    & skf18("7","6","2","5","7","4","1") = "6"
    & skf18("7","6","2","5","7","5","1") = "6"
    & skf18("7","6","2","5","7","6","1") = "6"
    & skf18("7","6","2","5","7","7","1") = "6"
    & skf18("7","6","2","5","7","8","1") = "7"
    & skf18("7","6","2","5","7","9","1") = "8"
    & skf18("7","6","2","5","7","10","1") = "9"
    & skf18("7","6","2","5","8","1","1") = "7"
    & skf18("7","6","2","5","8","2","1") = "7"
    & skf18("7","6","2","5","8","3","1") = "7"
    & skf18("7","6","2","5","8","4","1") = "7"
    & skf18("7","6","2","5","8","5","1") = "7"
    & skf18("7","6","2","5","8","6","1") = "7"
    & skf18("7","6","2","5","8","7","1") = "7"
    & skf18("7","6","2","5","8","8","1") = "7"
    & skf18("7","6","2","5","8","9","1") = "8"
    & skf18("7","6","2","5","8","10","1") = "9"
    & skf18("7","6","2","5","9","1","1") = "8"
    & skf18("7","6","2","5","9","2","1") = "8"
    & skf18("7","6","2","5","9","3","1") = "8"
    & skf18("7","6","2","5","9","4","1") = "8"
    & skf18("7","6","2","5","9","5","1") = "8"
    & skf18("7","6","2","5","9","6","1") = "8"
    & skf18("7","6","2","5","9","7","1") = "8"
    & skf18("7","6","2","5","9","8","1") = "8"
    & skf18("7","6","2","5","9","9","1") = "8"
    & skf18("7","6","2","5","9","10","1") = "9"
    & skf18("7","6","2","5","10","1","1") = "9"
    & skf18("7","6","2","5","10","2","1") = "9"
    & skf18("7","6","2","5","10","3","1") = "9"
    & skf18("7","6","2","5","10","4","1") = "9"
    & skf18("7","6","2","5","10","5","1") = "9"
    & skf18("7","6","2","5","10","6","1") = "9"
    & skf18("7","6","2","5","10","7","1") = "9"
    & skf18("7","6","2","5","10","8","1") = "9"
    & skf18("7","6","2","5","10","9","1") = "9"
    & skf18("7","6","2","5","10","10","1") = "9"
    & skf18("7","6","2","6","1","1","1") = "6"
    & skf18("7","6","2","6","1","2","1") = "6"
    & skf18("7","6","2","6","1","3","1") = "6"
    & skf18("7","6","2","6","1","4","1") = "6"
    & skf18("7","6","2","6","1","5","1") = "6"
    & skf18("7","6","2","6","1","6","1") = "6"
    & skf18("7","6","2","6","1","7","1") = "6"
    & skf18("7","6","2","6","1","8","1") = "7"
    & skf18("7","6","2","6","1","9","1") = "8"
    & skf18("7","6","2","6","1","10","1") = "9"
    & skf18("7","6","2","6","2","1","1") = "6"
    & skf18("7","6","2","6","2","2","1") = "6"
    & skf18("7","6","2","6","2","3","1") = "6"
    & skf18("7","6","2","6","2","4","1") = "6"
    & skf18("7","6","2","6","2","5","1") = "6"
    & skf18("7","6","2","6","2","6","1") = "6"
    & skf18("7","6","2","6","2","7","1") = "6"
    & skf18("7","6","2","6","2","8","1") = "7"
    & skf18("7","6","2","6","2","9","1") = "8"
    & skf18("7","6","2","6","2","10","1") = "9"
    & skf18("7","6","2","6","3","1","1") = "6"
    & skf18("7","6","2","6","3","2","1") = "6"
    & skf18("7","6","2","6","3","3","1") = "6"
    & skf18("7","6","2","6","3","4","1") = "6"
    & skf18("7","6","2","6","3","5","1") = "6"
    & skf18("7","6","2","6","3","6","1") = "6"
    & skf18("7","6","2","6","3","7","1") = "6"
    & skf18("7","6","2","6","3","8","1") = "7"
    & skf18("7","6","2","6","3","9","1") = "8"
    & skf18("7","6","2","6","3","10","1") = "9"
    & skf18("7","6","2","6","4","1","1") = "6"
    & skf18("7","6","2","6","4","2","1") = "6"
    & skf18("7","6","2","6","4","3","1") = "6"
    & skf18("7","6","2","6","4","4","1") = "6"
    & skf18("7","6","2","6","4","5","1") = "6"
    & skf18("7","6","2","6","4","6","1") = "6"
    & skf18("7","6","2","6","4","7","1") = "6"
    & skf18("7","6","2","6","4","8","1") = "7"
    & skf18("7","6","2","6","4","9","1") = "8"
    & skf18("7","6","2","6","4","10","1") = "9"
    & skf18("7","6","2","6","5","1","1") = "6"
    & skf18("7","6","2","6","5","2","1") = "6"
    & skf18("7","6","2","6","5","3","1") = "6"
    & skf18("7","6","2","6","5","4","1") = "6"
    & skf18("7","6","2","6","5","5","1") = "6"
    & skf18("7","6","2","6","5","6","1") = "6"
    & skf18("7","6","2","6","5","7","1") = "6"
    & skf18("7","6","2","6","5","8","1") = "7"
    & skf18("7","6","2","6","5","9","1") = "8"
    & skf18("7","6","2","6","5","10","1") = "9"
    & skf18("7","6","2","6","6","1","1") = "6"
    & skf18("7","6","2","6","6","2","1") = "6"
    & skf18("7","6","2","6","6","3","1") = "6"
    & skf18("7","6","2","6","6","4","1") = "6"
    & skf18("7","6","2","6","6","5","1") = "6"
    & skf18("7","6","2","6","6","6","1") = "6"
    & skf18("7","6","2","6","6","7","1") = "6"
    & skf18("7","6","2","6","6","8","1") = "7"
    & skf18("7","6","2","6","6","9","1") = "8"
    & skf18("7","6","2","6","6","10","1") = "9"
    & skf18("7","6","2","6","7","1","1") = "6"
    & skf18("7","6","2","6","7","2","1") = "6"
    & skf18("7","6","2","6","7","3","1") = "6"
    & skf18("7","6","2","6","7","4","1") = "6"
    & skf18("7","6","2","6","7","5","1") = "6"
    & skf18("7","6","2","6","7","6","1") = "6"
    & skf18("7","6","2","6","7","7","1") = "6"
    & skf18("7","6","2","6","7","8","1") = "7"
    & skf18("7","6","2","6","7","9","1") = "8"
    & skf18("7","6","2","6","7","10","1") = "9"
    & skf18("7","6","2","6","8","1","1") = "7"
    & skf18("7","6","2","6","8","2","1") = "7"
    & skf18("7","6","2","6","8","3","1") = "7"
    & skf18("7","6","2","6","8","4","1") = "7"
    & skf18("7","6","2","6","8","5","1") = "7"
    & skf18("7","6","2","6","8","6","1") = "7"
    & skf18("7","6","2","6","8","7","1") = "7"
    & skf18("7","6","2","6","8","8","1") = "7"
    & skf18("7","6","2","6","8","9","1") = "8"
    & skf18("7","6","2","6","8","10","1") = "9"
    & skf18("7","6","2","6","9","1","1") = "8"
    & skf18("7","6","2","6","9","2","1") = "8"
    & skf18("7","6","2","6","9","3","1") = "8"
    & skf18("7","6","2","6","9","4","1") = "8"
    & skf18("7","6","2","6","9","5","1") = "8"
    & skf18("7","6","2","6","9","6","1") = "8"
    & skf18("7","6","2","6","9","7","1") = "8"
    & skf18("7","6","2","6","9","8","1") = "8"
    & skf18("7","6","2","6","9","9","1") = "8"
    & skf18("7","6","2","6","9","10","1") = "9"
    & skf18("7","6","2","6","10","1","1") = "9"
    & skf18("7","6","2","6","10","2","1") = "9"
    & skf18("7","6","2","6","10","3","1") = "9"
    & skf18("7","6","2","6","10","4","1") = "9"
    & skf18("7","6","2","6","10","5","1") = "9"
    & skf18("7","6","2","6","10","6","1") = "9"
    & skf18("7","6","2","6","10","7","1") = "9"
    & skf18("7","6","2","6","10","8","1") = "9"
    & skf18("7","6","2","6","10","9","1") = "9"
    & skf18("7","6","2","6","10","10","1") = "9"
    & skf18("7","6","2","7","1","1","1") = "6"
    & skf18("7","6","2","7","1","2","1") = "6"
    & skf18("7","6","2","7","1","3","1") = "6"
    & skf18("7","6","2","7","1","4","1") = "6"
    & skf18("7","6","2","7","1","5","1") = "6"
    & skf18("7","6","2","7","1","6","1") = "6"
    & skf18("7","6","2","7","1","7","1") = "6"
    & skf18("7","6","2","7","1","8","1") = "7"
    & skf18("7","6","2","7","1","9","1") = "8"
    & skf18("7","6","2","7","1","10","1") = "9"
    & skf18("7","6","2","7","2","1","1") = "6"
    & skf18("7","6","2","7","2","2","1") = "6"
    & skf18("7","6","2","7","2","3","1") = "6"
    & skf18("7","6","2","7","2","4","1") = "6"
    & skf18("7","6","2","7","2","5","1") = "6"
    & skf18("7","6","2","7","2","6","1") = "6"
    & skf18("7","6","2","7","2","7","1") = "6"
    & skf18("7","6","2","7","2","8","1") = "7"
    & skf18("7","6","2","7","2","9","1") = "8"
    & skf18("7","6","2","7","2","10","1") = "9"
    & skf18("7","6","2","7","3","1","1") = "6"
    & skf18("7","6","2","7","3","2","1") = "6"
    & skf18("7","6","2","7","3","3","1") = "6"
    & skf18("7","6","2","7","3","4","1") = "6"
    & skf18("7","6","2","7","3","5","1") = "6"
    & skf18("7","6","2","7","3","6","1") = "6"
    & skf18("7","6","2","7","3","7","1") = "6"
    & skf18("7","6","2","7","3","8","1") = "7"
    & skf18("7","6","2","7","3","9","1") = "8"
    & skf18("7","6","2","7","3","10","1") = "9"
    & skf18("7","6","2","7","4","1","1") = "6"
    & skf18("7","6","2","7","4","2","1") = "6"
    & skf18("7","6","2","7","4","3","1") = "6"
    & skf18("7","6","2","7","4","4","1") = "6"
    & skf18("7","6","2","7","4","5","1") = "6"
    & skf18("7","6","2","7","4","6","1") = "6"
    & skf18("7","6","2","7","4","7","1") = "6"
    & skf18("7","6","2","7","4","8","1") = "7"
    & skf18("7","6","2","7","4","9","1") = "8"
    & skf18("7","6","2","7","4","10","1") = "9"
    & skf18("7","6","2","7","5","1","1") = "6"
    & skf18("7","6","2","7","5","2","1") = "6"
    & skf18("7","6","2","7","5","3","1") = "6"
    & skf18("7","6","2","7","5","4","1") = "6"
    & skf18("7","6","2","7","5","5","1") = "6"
    & skf18("7","6","2","7","5","6","1") = "6"
    & skf18("7","6","2","7","5","7","1") = "6"
    & skf18("7","6","2","7","5","8","1") = "7"
    & skf18("7","6","2","7","5","9","1") = "8"
    & skf18("7","6","2","7","5","10","1") = "9"
    & skf18("7","6","2","7","6","1","1") = "6"
    & skf18("7","6","2","7","6","2","1") = "6"
    & skf18("7","6","2","7","6","3","1") = "6"
    & skf18("7","6","2","7","6","4","1") = "6"
    & skf18("7","6","2","7","6","5","1") = "6"
    & skf18("7","6","2","7","6","6","1") = "6"
    & skf18("7","6","2","7","6","7","1") = "6"
    & skf18("7","6","2","7","6","8","1") = "7"
    & skf18("7","6","2","7","6","9","1") = "8"
    & skf18("7","6","2","7","6","10","1") = "9"
    & skf18("7","6","2","7","7","1","1") = "6"
    & skf18("7","6","2","7","7","2","1") = "6"
    & skf18("7","6","2","7","7","3","1") = "6"
    & skf18("7","6","2","7","7","4","1") = "6"
    & skf18("7","6","2","7","7","5","1") = "6"
    & skf18("7","6","2","7","7","6","1") = "6"
    & skf18("7","6","2","7","7","7","1") = "6"
    & skf18("7","6","2","7","7","8","1") = "7"
    & skf18("7","6","2","7","7","9","1") = "8"
    & skf18("7","6","2","7","7","10","1") = "9"
    & skf18("7","6","2","7","8","1","1") = "7"
    & skf18("7","6","2","7","8","2","1") = "7"
    & skf18("7","6","2","7","8","3","1") = "7"
    & skf18("7","6","2","7","8","4","1") = "7"
    & skf18("7","6","2","7","8","5","1") = "7"
    & skf18("7","6","2","7","8","6","1") = "7"
    & skf18("7","6","2","7","8","7","1") = "7"
    & skf18("7","6","2","7","8","8","1") = "7"
    & skf18("7","6","2","7","8","9","1") = "8"
    & skf18("7","6","2","7","8","10","1") = "9"
    & skf18("7","6","2","7","9","1","1") = "8"
    & skf18("7","6","2","7","9","2","1") = "8"
    & skf18("7","6","2","7","9","3","1") = "8"
    & skf18("7","6","2","7","9","4","1") = "8"
    & skf18("7","6","2","7","9","5","1") = "8"
    & skf18("7","6","2","7","9","6","1") = "8"
    & skf18("7","6","2","7","9","7","1") = "8"
    & skf18("7","6","2","7","9","8","1") = "8"
    & skf18("7","6","2","7","9","9","1") = "8"
    & skf18("7","6","2","7","9","10","1") = "9"
    & skf18("7","6","2","7","10","1","1") = "9"
    & skf18("7","6","2","7","10","2","1") = "9"
    & skf18("7","6","2","7","10","3","1") = "9"
    & skf18("7","6","2","7","10","4","1") = "9"
    & skf18("7","6","2","7","10","5","1") = "9"
    & skf18("7","6","2","7","10","6","1") = "9"
    & skf18("7","6","2","7","10","7","1") = "9"
    & skf18("7","6","2","7","10","8","1") = "9"
    & skf18("7","6","2","7","10","9","1") = "9"
    & skf18("7","6","2","7","10","10","1") = "9"
    & skf18("7","6","2","8","1","1","1") = "7"
    & skf18("7","6","2","8","1","2","1") = "7"
    & skf18("7","6","2","8","1","3","1") = "7"
    & skf18("7","6","2","8","1","4","1") = "7"
    & skf18("7","6","2","8","1","5","1") = "7"
    & skf18("7","6","2","8","1","6","1") = "7"
    & skf18("7","6","2","8","1","7","1") = "7"
    & skf18("7","6","2","8","1","8","1") = "7"
    & skf18("7","6","2","8","1","9","1") = "8"
    & skf18("7","6","2","8","1","10","1") = "9"
    & skf18("7","6","2","8","2","1","1") = "7"
    & skf18("7","6","2","8","2","2","1") = "7"
    & skf18("7","6","2","8","2","3","1") = "7"
    & skf18("7","6","2","8","2","4","1") = "7"
    & skf18("7","6","2","8","2","5","1") = "7"
    & skf18("7","6","2","8","2","6","1") = "7"
    & skf18("7","6","2","8","2","7","1") = "7"
    & skf18("7","6","2","8","2","8","1") = "7"
    & skf18("7","6","2","8","2","9","1") = "8"
    & skf18("7","6","2","8","2","10","1") = "9"
    & skf18("7","6","2","8","3","1","1") = "7"
    & skf18("7","6","2","8","3","2","1") = "7"
    & skf18("7","6","2","8","3","3","1") = "7"
    & skf18("7","6","2","8","3","4","1") = "7"
    & skf18("7","6","2","8","3","5","1") = "7"
    & skf18("7","6","2","8","3","6","1") = "7"
    & skf18("7","6","2","8","3","7","1") = "7"
    & skf18("7","6","2","8","3","8","1") = "7"
    & skf18("7","6","2","8","3","9","1") = "8"
    & skf18("7","6","2","8","3","10","1") = "9"
    & skf18("7","6","2","8","4","1","1") = "7"
    & skf18("7","6","2","8","4","2","1") = "7"
    & skf18("7","6","2","8","4","3","1") = "7"
    & skf18("7","6","2","8","4","4","1") = "7"
    & skf18("7","6","2","8","4","5","1") = "7"
    & skf18("7","6","2","8","4","6","1") = "7"
    & skf18("7","6","2","8","4","7","1") = "7"
    & skf18("7","6","2","8","4","8","1") = "7"
    & skf18("7","6","2","8","4","9","1") = "8"
    & skf18("7","6","2","8","4","10","1") = "9"
    & skf18("7","6","2","8","5","1","1") = "7"
    & skf18("7","6","2","8","5","2","1") = "7"
    & skf18("7","6","2","8","5","3","1") = "7"
    & skf18("7","6","2","8","5","4","1") = "7"
    & skf18("7","6","2","8","5","5","1") = "7"
    & skf18("7","6","2","8","5","6","1") = "7"
    & skf18("7","6","2","8","5","7","1") = "7"
    & skf18("7","6","2","8","5","8","1") = "7"
    & skf18("7","6","2","8","5","9","1") = "8"
    & skf18("7","6","2","8","5","10","1") = "9"
    & skf18("7","6","2","8","6","1","1") = "7"
    & skf18("7","6","2","8","6","2","1") = "7"
    & skf18("7","6","2","8","6","3","1") = "7"
    & skf18("7","6","2","8","6","4","1") = "7"
    & skf18("7","6","2","8","6","5","1") = "7"
    & skf18("7","6","2","8","6","6","1") = "7"
    & skf18("7","6","2","8","6","7","1") = "7"
    & skf18("7","6","2","8","6","8","1") = "7"
    & skf18("7","6","2","8","6","9","1") = "8"
    & skf18("7","6","2","8","6","10","1") = "9"
    & skf18("7","6","2","8","7","1","1") = "7"
    & skf18("7","6","2","8","7","2","1") = "7"
    & skf18("7","6","2","8","7","3","1") = "7"
    & skf18("7","6","2","8","7","4","1") = "7"
    & skf18("7","6","2","8","7","5","1") = "7"
    & skf18("7","6","2","8","7","6","1") = "7"
    & skf18("7","6","2","8","7","7","1") = "7"
    & skf18("7","6","2","8","7","8","1") = "7"
    & skf18("7","6","2","8","7","9","1") = "8"
    & skf18("7","6","2","8","7","10","1") = "9"
    & skf18("7","6","2","8","8","1","1") = "7"
    & skf18("7","6","2","8","8","2","1") = "7"
    & skf18("7","6","2","8","8","3","1") = "7"
    & skf18("7","6","2","8","8","4","1") = "7"
    & skf18("7","6","2","8","8","5","1") = "7"
    & skf18("7","6","2","8","8","6","1") = "7"
    & skf18("7","6","2","8","8","7","1") = "7"
    & skf18("7","6","2","8","8","8","1") = "7"
    & skf18("7","6","2","8","8","9","1") = "8"
    & skf18("7","6","2","8","8","10","1") = "9"
    & skf18("7","6","2","8","9","1","1") = "8"
    & skf18("7","6","2","8","9","2","1") = "8"
    & skf18("7","6","2","8","9","3","1") = "8"
    & skf18("7","6","2","8","9","4","1") = "8"
    & skf18("7","6","2","8","9","5","1") = "8"
    & skf18("7","6","2","8","9","6","1") = "8"
    & skf18("7","6","2","8","9","7","1") = "8"
    & skf18("7","6","2","8","9","8","1") = "8"
    & skf18("7","6","2","8","9","9","1") = "8"
    & skf18("7","6","2","8","9","10","1") = "9"
    & skf18("7","6","2","8","10","1","1") = "9"
    & skf18("7","6","2","8","10","2","1") = "9"
    & skf18("7","6","2","8","10","3","1") = "9"
    & skf18("7","6","2","8","10","4","1") = "9"
    & skf18("7","6","2","8","10","5","1") = "9"
    & skf18("7","6","2","8","10","6","1") = "9"
    & skf18("7","6","2","8","10","7","1") = "9"
    & skf18("7","6","2","8","10","8","1") = "9"
    & skf18("7","6","2","8","10","9","1") = "9"
    & skf18("7","6","2","8","10","10","1") = "9"
    & skf18("7","6","2","9","1","1","1") = "8"
    & skf18("7","6","2","9","1","2","1") = "8"
    & skf18("7","6","2","9","1","3","1") = "8"
    & skf18("7","6","2","9","1","4","1") = "8"
    & skf18("7","6","2","9","1","5","1") = "8"
    & skf18("7","6","2","9","1","6","1") = "8"
    & skf18("7","6","2","9","1","7","1") = "8"
    & skf18("7","6","2","9","1","8","1") = "8"
    & skf18("7","6","2","9","1","9","1") = "8"
    & skf18("7","6","2","9","1","10","1") = "9"
    & skf18("7","6","2","9","2","1","1") = "8"
    & skf18("7","6","2","9","2","2","1") = "8"
    & skf18("7","6","2","9","2","3","1") = "8"
    & skf18("7","6","2","9","2","4","1") = "8"
    & skf18("7","6","2","9","2","5","1") = "8"
    & skf18("7","6","2","9","2","6","1") = "8"
    & skf18("7","6","2","9","2","7","1") = "8"
    & skf18("7","6","2","9","2","8","1") = "8"
    & skf18("7","6","2","9","2","9","1") = "8"
    & skf18("7","6","2","9","2","10","1") = "9"
    & skf18("7","6","2","9","3","1","1") = "8"
    & skf18("7","6","2","9","3","2","1") = "8"
    & skf18("7","6","2","9","3","3","1") = "8"
    & skf18("7","6","2","9","3","4","1") = "8"
    & skf18("7","6","2","9","3","5","1") = "8"
    & skf18("7","6","2","9","3","6","1") = "8"
    & skf18("7","6","2","9","3","7","1") = "8"
    & skf18("7","6","2","9","3","8","1") = "8"
    & skf18("7","6","2","9","3","9","1") = "8"
    & skf18("7","6","2","9","3","10","1") = "9"
    & skf18("7","6","2","9","4","1","1") = "8"
    & skf18("7","6","2","9","4","2","1") = "8"
    & skf18("7","6","2","9","4","3","1") = "8"
    & skf18("7","6","2","9","4","4","1") = "8"
    & skf18("7","6","2","9","4","5","1") = "8"
    & skf18("7","6","2","9","4","6","1") = "8"
    & skf18("7","6","2","9","4","7","1") = "8"
    & skf18("7","6","2","9","4","8","1") = "8"
    & skf18("7","6","2","9","4","9","1") = "8"
    & skf18("7","6","2","9","4","10","1") = "9"
    & skf18("7","6","2","9","5","1","1") = "8"
    & skf18("7","6","2","9","5","2","1") = "8"
    & skf18("7","6","2","9","5","3","1") = "8"
    & skf18("7","6","2","9","5","4","1") = "8"
    & skf18("7","6","2","9","5","5","1") = "8"
    & skf18("7","6","2","9","5","6","1") = "8"
    & skf18("7","6","2","9","5","7","1") = "8"
    & skf18("7","6","2","9","5","8","1") = "8"
    & skf18("7","6","2","9","5","9","1") = "8"
    & skf18("7","6","2","9","5","10","1") = "9"
    & skf18("7","6","2","9","6","1","1") = "8"
    & skf18("7","6","2","9","6","2","1") = "8"
    & skf18("7","6","2","9","6","3","1") = "8"
    & skf18("7","6","2","9","6","4","1") = "8"
    & skf18("7","6","2","9","6","5","1") = "8"
    & skf18("7","6","2","9","6","6","1") = "8"
    & skf18("7","6","2","9","6","7","1") = "8"
    & skf18("7","6","2","9","6","8","1") = "8"
    & skf18("7","6","2","9","6","9","1") = "8"
    & skf18("7","6","2","9","6","10","1") = "9"
    & skf18("7","6","2","9","7","1","1") = "8"
    & skf18("7","6","2","9","7","2","1") = "8"
    & skf18("7","6","2","9","7","3","1") = "8"
    & skf18("7","6","2","9","7","4","1") = "8"
    & skf18("7","6","2","9","7","5","1") = "8"
    & skf18("7","6","2","9","7","6","1") = "8"
    & skf18("7","6","2","9","7","7","1") = "8"
    & skf18("7","6","2","9","7","8","1") = "8"
    & skf18("7","6","2","9","7","9","1") = "8"
    & skf18("7","6","2","9","7","10","1") = "9"
    & skf18("7","6","2","9","8","1","1") = "8"
    & skf18("7","6","2","9","8","2","1") = "8"
    & skf18("7","6","2","9","8","3","1") = "8"
    & skf18("7","6","2","9","8","4","1") = "8"
    & skf18("7","6","2","9","8","5","1") = "8"
    & skf18("7","6","2","9","8","6","1") = "8"
    & skf18("7","6","2","9","8","7","1") = "8"
    & skf18("7","6","2","9","8","8","1") = "8"
    & skf18("7","6","2","9","8","9","1") = "8"
    & skf18("7","6","2","9","8","10","1") = "9"
    & skf18("7","6","2","9","9","1","1") = "8"
    & skf18("7","6","2","9","9","2","1") = "8"
    & skf18("7","6","2","9","9","3","1") = "8"
    & skf18("7","6","2","9","9","4","1") = "8"
    & skf18("7","6","2","9","9","5","1") = "8"
    & skf18("7","6","2","9","9","6","1") = "8"
    & skf18("7","6","2","9","9","7","1") = "8"
    & skf18("7","6","2","9","9","8","1") = "8"
    & skf18("7","6","2","9","9","9","1") = "8"
    & skf18("7","6","2","9","9","10","1") = "9"
    & skf18("7","6","2","9","10","1","1") = "9"
    & skf18("7","6","2","9","10","2","1") = "9"
    & skf18("7","6","2","9","10","3","1") = "9"
    & skf18("7","6","2","9","10","4","1") = "9"
    & skf18("7","6","2","9","10","5","1") = "9"
    & skf18("7","6","2","9","10","6","1") = "9"
    & skf18("7","6","2","9","10","7","1") = "9"
    & skf18("7","6","2","9","10","8","1") = "9"
    & skf18("7","6","2","9","10","9","1") = "9"
    & skf18("7","6","2","9","10","10","1") = "9"
    & skf18("7","6","2","10","1","1","1") = "9"
    & skf18("7","6","2","10","1","2","1") = "9"
    & skf18("7","6","2","10","1","3","1") = "9"
    & skf18("7","6","2","10","1","4","1") = "9"
    & skf18("7","6","2","10","1","5","1") = "9"
    & skf18("7","6","2","10","1","6","1") = "9"
    & skf18("7","6","2","10","1","7","1") = "9"
    & skf18("7","6","2","10","1","8","1") = "9"
    & skf18("7","6","2","10","1","9","1") = "9"
    & skf18("7","6","2","10","1","10","1") = "9"
    & skf18("7","6","2","10","2","1","1") = "9"
    & skf18("7","6","2","10","2","2","1") = "9"
    & skf18("7","6","2","10","2","3","1") = "9"
    & skf18("7","6","2","10","2","4","1") = "9"
    & skf18("7","6","2","10","2","5","1") = "9"
    & skf18("7","6","2","10","2","6","1") = "9"
    & skf18("7","6","2","10","2","7","1") = "9"
    & skf18("7","6","2","10","2","8","1") = "9"
    & skf18("7","6","2","10","2","9","1") = "9"
    & skf18("7","6","2","10","2","10","1") = "9"
    & skf18("7","6","2","10","3","1","1") = "9"
    & skf18("7","6","2","10","3","2","1") = "9"
    & skf18("7","6","2","10","3","3","1") = "9"
    & skf18("7","6","2","10","3","4","1") = "9"
    & skf18("7","6","2","10","3","5","1") = "9"
    & skf18("7","6","2","10","3","6","1") = "9"
    & skf18("7","6","2","10","3","7","1") = "9"
    & skf18("7","6","2","10","3","8","1") = "9"
    & skf18("7","6","2","10","3","9","1") = "9"
    & skf18("7","6","2","10","3","10","1") = "9"
    & skf18("7","6","2","10","4","1","1") = "9"
    & skf18("7","6","2","10","4","2","1") = "9"
    & skf18("7","6","2","10","4","3","1") = "9"
    & skf18("7","6","2","10","4","4","1") = "9"
    & skf18("7","6","2","10","4","5","1") = "9"
    & skf18("7","6","2","10","4","6","1") = "9"
    & skf18("7","6","2","10","4","7","1") = "9"
    & skf18("7","6","2","10","4","8","1") = "9"
    & skf18("7","6","2","10","4","9","1") = "9"
    & skf18("7","6","2","10","4","10","1") = "9"
    & skf18("7","6","2","10","5","1","1") = "9"
    & skf18("7","6","2","10","5","2","1") = "9"
    & skf18("7","6","2","10","5","3","1") = "9"
    & skf18("7","6","2","10","5","4","1") = "9"
    & skf18("7","6","2","10","5","5","1") = "9"
    & skf18("7","6","2","10","5","6","1") = "9"
    & skf18("7","6","2","10","5","7","1") = "9"
    & skf18("7","6","2","10","5","8","1") = "9"
    & skf18("7","6","2","10","5","9","1") = "9"
    & skf18("7","6","2","10","5","10","1") = "9"
    & skf18("7","6","2","10","6","1","1") = "9"
    & skf18("7","6","2","10","6","2","1") = "9"
    & skf18("7","6","2","10","6","3","1") = "9"
    & skf18("7","6","2","10","6","4","1") = "9"
    & skf18("7","6","2","10","6","5","1") = "9"
    & skf18("7","6","2","10","6","6","1") = "9"
    & skf18("7","6","2","10","6","7","1") = "9"
    & skf18("7","6","2","10","6","8","1") = "9"
    & skf18("7","6","2","10","6","9","1") = "9"
    & skf18("7","6","2","10","6","10","1") = "9"
    & skf18("7","6","2","10","7","1","1") = "9"
    & skf18("7","6","2","10","7","2","1") = "9"
    & skf18("7","6","2","10","7","3","1") = "9"
    & skf18("7","6","2","10","7","4","1") = "9"
    & skf18("7","6","2","10","7","5","1") = "9"
    & skf18("7","6","2","10","7","6","1") = "9"
    & skf18("7","6","2","10","7","7","1") = "9"
    & skf18("7","6","2","10","7","8","1") = "9"
    & skf18("7","6","2","10","7","9","1") = "9"
    & skf18("7","6","2","10","7","10","1") = "9"
    & skf18("7","6","2","10","8","1","1") = "9"
    & skf18("7","6","2","10","8","2","1") = "9"
    & skf18("7","6","2","10","8","3","1") = "9"
    & skf18("7","6","2","10","8","4","1") = "9"
    & skf18("7","6","2","10","8","5","1") = "9"
    & skf18("7","6","2","10","8","6","1") = "9"
    & skf18("7","6","2","10","8","7","1") = "9"
    & skf18("7","6","2","10","8","8","1") = "9"
    & skf18("7","6","2","10","8","9","1") = "9"
    & skf18("7","6","2","10","8","10","1") = "9"
    & skf18("7","6","2","10","9","1","1") = "9"
    & skf18("7","6","2","10","9","2","1") = "9"
    & skf18("7","6","2","10","9","3","1") = "9"
    & skf18("7","6","2","10","9","4","1") = "9"
    & skf18("7","6","2","10","9","5","1") = "9"
    & skf18("7","6","2","10","9","6","1") = "9"
    & skf18("7","6","2","10","9","7","1") = "9"
    & skf18("7","6","2","10","9","8","1") = "9"
    & skf18("7","6","2","10","9","9","1") = "9"
    & skf18("7","6","2","10","9","10","1") = "9"
    & skf18("7","6","2","10","10","1","1") = "9"
    & skf18("7","6","2","10","10","2","1") = "9"
    & skf18("7","6","2","10","10","3","1") = "9"
    & skf18("7","6","2","10","10","4","1") = "9"
    & skf18("7","6","2","10","10","5","1") = "9"
    & skf18("7","6","2","10","10","6","1") = "9"
    & skf18("7","6","2","10","10","7","1") = "9"
    & skf18("7","6","2","10","10","8","1") = "9"
    & skf18("7","6","2","10","10","9","1") = "9"
    & skf18("7","6","2","10","10","10","1") = "9"
    & skf18("7","6","3","1","1","1","1") = "6"
    & skf18("7","6","3","1","1","2","1") = "6"
    & skf18("7","6","3","1","1","3","1") = "6"
    & skf18("7","6","3","1","1","4","1") = "6"
    & skf18("7","6","3","1","1","5","1") = "6"
    & skf18("7","6","3","1","1","6","1") = "6"
    & skf18("7","6","3","1","1","7","1") = "6"
    & skf18("7","6","3","1","1","8","1") = "7"
    & skf18("7","6","3","1","1","9","1") = "8"
    & skf18("7","6","3","1","1","10","1") = "9"
    & skf18("7","6","3","1","2","1","1") = "6"
    & skf18("7","6","3","1","2","2","1") = "6"
    & skf18("7","6","3","1","2","3","1") = "6"
    & skf18("7","6","3","1","2","4","1") = "6"
    & skf18("7","6","3","1","2","5","1") = "6"
    & skf18("7","6","3","1","2","6","1") = "6"
    & skf18("7","6","3","1","2","7","1") = "6"
    & skf18("7","6","3","1","2","8","1") = "7"
    & skf18("7","6","3","1","2","9","1") = "8"
    & skf18("7","6","3","1","2","10","1") = "9"
    & skf18("7","6","3","1","3","1","1") = "6"
    & skf18("7","6","3","1","3","2","1") = "6"
    & skf18("7","6","3","1","3","3","1") = "6"
    & skf18("7","6","3","1","3","4","1") = "6"
    & skf18("7","6","3","1","3","5","1") = "6"
    & skf18("7","6","3","1","3","6","1") = "6"
    & skf18("7","6","3","1","3","7","1") = "6"
    & skf18("7","6","3","1","3","8","1") = "7"
    & skf18("7","6","3","1","3","9","1") = "8"
    & skf18("7","6","3","1","3","10","1") = "9"
    & skf18("7","6","3","1","4","1","1") = "6"
    & skf18("7","6","3","1","4","2","1") = "6"
    & skf18("7","6","3","1","4","3","1") = "6"
    & skf18("7","6","3","1","4","4","1") = "6"
    & skf18("7","6","3","1","4","5","1") = "6"
    & skf18("7","6","3","1","4","6","1") = "6"
    & skf18("7","6","3","1","4","7","1") = "6"
    & skf18("7","6","3","1","4","8","1") = "7"
    & skf18("7","6","3","1","4","9","1") = "8"
    & skf18("7","6","3","1","4","10","1") = "9"
    & skf18("7","6","3","1","5","1","1") = "6"
    & skf18("7","6","3","1","5","2","1") = "6"
    & skf18("7","6","3","1","5","3","1") = "6"
    & skf18("7","6","3","1","5","4","1") = "6"
    & skf18("7","6","3","1","5","5","1") = "6"
    & skf18("7","6","3","1","5","6","1") = "6"
    & skf18("7","6","3","1","5","7","1") = "6"
    & skf18("7","6","3","1","5","8","1") = "7"
    & skf18("7","6","3","1","5","9","1") = "8"
    & skf18("7","6","3","1","5","10","1") = "9"
    & skf18("7","6","3","1","6","1","1") = "6"
    & skf18("7","6","3","1","6","2","1") = "6"
    & skf18("7","6","3","1","6","3","1") = "6"
    & skf18("7","6","3","1","6","4","1") = "6"
    & skf18("7","6","3","1","6","5","1") = "6"
    & skf18("7","6","3","1","6","6","1") = "6"
    & skf18("7","6","3","1","6","7","1") = "6"
    & skf18("7","6","3","1","6","8","1") = "7"
    & skf18("7","6","3","1","6","9","1") = "8"
    & skf18("7","6","3","1","6","10","1") = "9"
    & skf18("7","6","3","1","7","1","1") = "6"
    & skf18("7","6","3","1","7","2","1") = "6"
    & skf18("7","6","3","1","7","3","1") = "6"
    & skf18("7","6","3","1","7","4","1") = "6"
    & skf18("7","6","3","1","7","5","1") = "6"
    & skf18("7","6","3","1","7","6","1") = "6"
    & skf18("7","6","3","1","7","7","1") = "6"
    & skf18("7","6","3","1","7","8","1") = "7"
    & skf18("7","6","3","1","7","9","1") = "8"
    & skf18("7","6","3","1","7","10","1") = "9"
    & skf18("7","6","3","1","8","1","1") = "7"
    & skf18("7","6","3","1","8","2","1") = "7"
    & skf18("7","6","3","1","8","3","1") = "7"
    & skf18("7","6","3","1","8","4","1") = "7"
    & skf18("7","6","3","1","8","5","1") = "7"
    & skf18("7","6","3","1","8","6","1") = "7"
    & skf18("7","6","3","1","8","7","1") = "7"
    & skf18("7","6","3","1","8","8","1") = "7"
    & skf18("7","6","3","1","8","9","1") = "8"
    & skf18("7","6","3","1","8","10","1") = "9"
    & skf18("7","6","3","1","9","1","1") = "8"
    & skf18("7","6","3","1","9","2","1") = "8"
    & skf18("7","6","3","1","9","3","1") = "8"
    & skf18("7","6","3","1","9","4","1") = "8"
    & skf18("7","6","3","1","9","5","1") = "8"
    & skf18("7","6","3","1","9","6","1") = "8"
    & skf18("7","6","3","1","9","7","1") = "8"
    & skf18("7","6","3","1","9","8","1") = "8"
    & skf18("7","6","3","1","9","9","1") = "8"
    & skf18("7","6","3","1","9","10","1") = "9"
    & skf18("7","6","3","1","10","1","1") = "9"
    & skf18("7","6","3","1","10","2","1") = "9"
    & skf18("7","6","3","1","10","3","1") = "9"
    & skf18("7","6","3","1","10","4","1") = "9"
    & skf18("7","6","3","1","10","5","1") = "9"
    & skf18("7","6","3","1","10","6","1") = "9"
    & skf18("7","6","3","1","10","7","1") = "9"
    & skf18("7","6","3","1","10","8","1") = "9"
    & skf18("7","6","3","1","10","9","1") = "9"
    & skf18("7","6","3","1","10","10","1") = "9"
    & skf18("7","6","3","2","1","1","1") = "6"
    & skf18("7","6","3","2","1","2","1") = "6"
    & skf18("7","6","3","2","1","3","1") = "6"
    & skf18("7","6","3","2","1","4","1") = "6"
    & skf18("7","6","3","2","1","5","1") = "6"
    & skf18("7","6","3","2","1","6","1") = "6"
    & skf18("7","6","3","2","1","7","1") = "6"
    & skf18("7","6","3","2","1","8","1") = "7"
    & skf18("7","6","3","2","1","9","1") = "8"
    & skf18("7","6","3","2","1","10","1") = "9"
    & skf18("7","6","3","2","2","1","1") = "6"
    & skf18("7","6","3","2","2","2","1") = "6"
    & skf18("7","6","3","2","2","3","1") = "6"
    & skf18("7","6","3","2","2","4","1") = "6"
    & skf18("7","6","3","2","2","5","1") = "6"
    & skf18("7","6","3","2","2","6","1") = "6"
    & skf18("7","6","3","2","2","7","1") = "6"
    & skf18("7","6","3","2","2","8","1") = "7"
    & skf18("7","6","3","2","2","9","1") = "8"
    & skf18("7","6","3","2","2","10","1") = "9"
    & skf18("7","6","3","2","3","1","1") = "6"
    & skf18("7","6","3","2","3","2","1") = "6"
    & skf18("7","6","3","2","3","3","1") = "6"
    & skf18("7","6","3","2","3","4","1") = "6"
    & skf18("7","6","3","2","3","5","1") = "6"
    & skf18("7","6","3","2","3","6","1") = "6"
    & skf18("7","6","3","2","3","7","1") = "6"
    & skf18("7","6","3","2","3","8","1") = "7"
    & skf18("7","6","3","2","3","9","1") = "8"
    & skf18("7","6","3","2","3","10","1") = "9"
    & skf18("7","6","3","2","4","1","1") = "6"
    & skf18("7","6","3","2","4","2","1") = "6"
    & skf18("7","6","3","2","4","3","1") = "6"
    & skf18("7","6","3","2","4","4","1") = "6"
    & skf18("7","6","3","2","4","5","1") = "6"
    & skf18("7","6","3","2","4","6","1") = "6"
    & skf18("7","6","3","2","4","7","1") = "6"
    & skf18("7","6","3","2","4","8","1") = "7"
    & skf18("7","6","3","2","4","9","1") = "8"
    & skf18("7","6","3","2","4","10","1") = "9"
    & skf18("7","6","3","2","5","1","1") = "6"
    & skf18("7","6","3","2","5","2","1") = "6"
    & skf18("7","6","3","2","5","3","1") = "6"
    & skf18("7","6","3","2","5","4","1") = "6"
    & skf18("7","6","3","2","5","5","1") = "6"
    & skf18("7","6","3","2","5","6","1") = "6"
    & skf18("7","6","3","2","5","7","1") = "6"
    & skf18("7","6","3","2","5","8","1") = "7"
    & skf18("7","6","3","2","5","9","1") = "8"
    & skf18("7","6","3","2","5","10","1") = "9"
    & skf18("7","6","3","2","6","1","1") = "6"
    & skf18("7","6","3","2","6","2","1") = "6"
    & skf18("7","6","3","2","6","3","1") = "6"
    & skf18("7","6","3","2","6","4","1") = "6"
    & skf18("7","6","3","2","6","5","1") = "6"
    & skf18("7","6","3","2","6","6","1") = "6"
    & skf18("7","6","3","2","6","7","1") = "6"
    & skf18("7","6","3","2","6","8","1") = "7"
    & skf18("7","6","3","2","6","9","1") = "8"
    & skf18("7","6","3","2","6","10","1") = "9"
    & skf18("7","6","3","2","7","1","1") = "6"
    & skf18("7","6","3","2","7","2","1") = "6"
    & skf18("7","6","3","2","7","3","1") = "6"
    & skf18("7","6","3","2","7","4","1") = "6"
    & skf18("7","6","3","2","7","5","1") = "6"
    & skf18("7","6","3","2","7","6","1") = "6"
    & skf18("7","6","3","2","7","7","1") = "6"
    & skf18("7","6","3","2","7","8","1") = "7"
    & skf18("7","6","3","2","7","9","1") = "8"
    & skf18("7","6","3","2","7","10","1") = "9"
    & skf18("7","6","3","2","8","1","1") = "7"
    & skf18("7","6","3","2","8","2","1") = "7"
    & skf18("7","6","3","2","8","3","1") = "7"
    & skf18("7","6","3","2","8","4","1") = "7"
    & skf18("7","6","3","2","8","5","1") = "7"
    & skf18("7","6","3","2","8","6","1") = "7"
    & skf18("7","6","3","2","8","7","1") = "7"
    & skf18("7","6","3","2","8","8","1") = "7"
    & skf18("7","6","3","2","8","9","1") = "8"
    & skf18("7","6","3","2","8","10","1") = "9"
    & skf18("7","6","3","2","9","1","1") = "8"
    & skf18("7","6","3","2","9","2","1") = "8"
    & skf18("7","6","3","2","9","3","1") = "8"
    & skf18("7","6","3","2","9","4","1") = "8"
    & skf18("7","6","3","2","9","5","1") = "8"
    & skf18("7","6","3","2","9","6","1") = "8"
    & skf18("7","6","3","2","9","7","1") = "8"
    & skf18("7","6","3","2","9","8","1") = "8"
    & skf18("7","6","3","2","9","9","1") = "8"
    & skf18("7","6","3","2","9","10","1") = "9"
    & skf18("7","6","3","2","10","1","1") = "9"
    & skf18("7","6","3","2","10","2","1") = "9"
    & skf18("7","6","3","2","10","3","1") = "9"
    & skf18("7","6","3","2","10","4","1") = "9"
    & skf18("7","6","3","2","10","5","1") = "9"
    & skf18("7","6","3","2","10","6","1") = "9"
    & skf18("7","6","3","2","10","7","1") = "9"
    & skf18("7","6","3","2","10","8","1") = "9"
    & skf18("7","6","3","2","10","9","1") = "9"
    & skf18("7","6","3","2","10","10","1") = "9"
    & skf18("7","6","3","3","1","1","1") = "6"
    & skf18("7","6","3","3","1","2","1") = "6"
    & skf18("7","6","3","3","1","3","1") = "6"
    & skf18("7","6","3","3","1","4","1") = "6"
    & skf18("7","6","3","3","1","5","1") = "6"
    & skf18("7","6","3","3","1","6","1") = "6"
    & skf18("7","6","3","3","1","7","1") = "6"
    & skf18("7","6","3","3","1","8","1") = "7"
    & skf18("7","6","3","3","1","9","1") = "8"
    & skf18("7","6","3","3","1","10","1") = "9"
    & skf18("7","6","3","3","2","1","1") = "6"
    & skf18("7","6","3","3","2","2","1") = "6"
    & skf18("7","6","3","3","2","3","1") = "6"
    & skf18("7","6","3","3","2","4","1") = "6"
    & skf18("7","6","3","3","2","5","1") = "6"
    & skf18("7","6","3","3","2","6","1") = "6"
    & skf18("7","6","3","3","2","7","1") = "6"
    & skf18("7","6","3","3","2","8","1") = "7"
    & skf18("7","6","3","3","2","9","1") = "8"
    & skf18("7","6","3","3","2","10","1") = "9"
    & skf18("7","6","3","3","3","1","1") = "6"
    & skf18("7","6","3","3","3","2","1") = "6"
    & skf18("7","6","3","3","3","3","1") = "6"
    & skf18("7","6","3","3","3","4","1") = "6"
    & skf18("7","6","3","3","3","5","1") = "6"
    & skf18("7","6","3","3","3","6","1") = "6"
    & skf18("7","6","3","3","3","7","1") = "6"
    & skf18("7","6","3","3","3","8","1") = "7"
    & skf18("7","6","3","3","3","9","1") = "8"
    & skf18("7","6","3","3","3","10","1") = "9"
    & skf18("7","6","3","3","4","1","1") = "6"
    & skf18("7","6","3","3","4","2","1") = "6"
    & skf18("7","6","3","3","4","3","1") = "6"
    & skf18("7","6","3","3","4","4","1") = "6"
    & skf18("7","6","3","3","4","5","1") = "6"
    & skf18("7","6","3","3","4","6","1") = "6"
    & skf18("7","6","3","3","4","7","1") = "6"
    & skf18("7","6","3","3","4","8","1") = "7"
    & skf18("7","6","3","3","4","9","1") = "8"
    & skf18("7","6","3","3","4","10","1") = "9"
    & skf18("7","6","3","3","5","1","1") = "6"
    & skf18("7","6","3","3","5","2","1") = "6"
    & skf18("7","6","3","3","5","3","1") = "6"
    & skf18("7","6","3","3","5","4","1") = "6"
    & skf18("7","6","3","3","5","5","1") = "6"
    & skf18("7","6","3","3","5","6","1") = "6"
    & skf18("7","6","3","3","5","7","1") = "6"
    & skf18("7","6","3","3","5","8","1") = "7"
    & skf18("7","6","3","3","5","9","1") = "8"
    & skf18("7","6","3","3","5","10","1") = "9"
    & skf18("7","6","3","3","6","1","1") = "6"
    & skf18("7","6","3","3","6","2","1") = "6"
    & skf18("7","6","3","3","6","3","1") = "6"
    & skf18("7","6","3","3","6","4","1") = "6"
    & skf18("7","6","3","3","6","5","1") = "6"
    & skf18("7","6","3","3","6","6","1") = "6"
    & skf18("7","6","3","3","6","7","1") = "6"
    & skf18("7","6","3","3","6","8","1") = "7"
    & skf18("7","6","3","3","6","9","1") = "8"
    & skf18("7","6","3","3","6","10","1") = "9"
    & skf18("7","6","3","3","7","1","1") = "6"
    & skf18("7","6","3","3","7","2","1") = "6"
    & skf18("7","6","3","3","7","3","1") = "6"
    & skf18("7","6","3","3","7","4","1") = "6"
    & skf18("7","6","3","3","7","5","1") = "6"
    & skf18("7","6","3","3","7","6","1") = "6"
    & skf18("7","6","3","3","7","7","1") = "6"
    & skf18("7","6","3","3","7","8","1") = "7"
    & skf18("7","6","3","3","7","9","1") = "8"
    & skf18("7","6","3","3","7","10","1") = "9"
    & skf18("7","6","3","3","8","1","1") = "7"
    & skf18("7","6","3","3","8","2","1") = "7"
    & skf18("7","6","3","3","8","3","1") = "7"
    & skf18("7","6","3","3","8","4","1") = "7"
    & skf18("7","6","3","3","8","5","1") = "7"
    & skf18("7","6","3","3","8","6","1") = "7"
    & skf18("7","6","3","3","8","7","1") = "7"
    & skf18("7","6","3","3","8","8","1") = "7"
    & skf18("7","6","3","3","8","9","1") = "8"
    & skf18("7","6","3","3","8","10","1") = "9"
    & skf18("7","6","3","3","9","1","1") = "8"
    & skf18("7","6","3","3","9","2","1") = "8"
    & skf18("7","6","3","3","9","3","1") = "8"
    & skf18("7","6","3","3","9","4","1") = "8"
    & skf18("7","6","3","3","9","5","1") = "8"
    & skf18("7","6","3","3","9","6","1") = "8"
    & skf18("7","6","3","3","9","7","1") = "8"
    & skf18("7","6","3","3","9","8","1") = "8"
    & skf18("7","6","3","3","9","9","1") = "8"
    & skf18("7","6","3","3","9","10","1") = "9"
    & skf18("7","6","3","3","10","1","1") = "9"
    & skf18("7","6","3","3","10","2","1") = "9"
    & skf18("7","6","3","3","10","3","1") = "9"
    & skf18("7","6","3","3","10","4","1") = "9"
    & skf18("7","6","3","3","10","5","1") = "9"
    & skf18("7","6","3","3","10","6","1") = "9"
    & skf18("7","6","3","3","10","7","1") = "9"
    & skf18("7","6","3","3","10","8","1") = "9"
    & skf18("7","6","3","3","10","9","1") = "9"
    & skf18("7","6","3","3","10","10","1") = "9"
    & skf18("7","6","3","4","1","1","1") = "6"
    & skf18("7","6","3","4","1","2","1") = "6"
    & skf18("7","6","3","4","1","3","1") = "6"
    & skf18("7","6","3","4","1","4","1") = "6"
    & skf18("7","6","3","4","1","5","1") = "6"
    & skf18("7","6","3","4","1","6","1") = "6"
    & skf18("7","6","3","4","1","7","1") = "6"
    & skf18("7","6","3","4","1","8","1") = "7"
    & skf18("7","6","3","4","1","9","1") = "8"
    & skf18("7","6","3","4","1","10","1") = "9"
    & skf18("7","6","3","4","2","1","1") = "6"
    & skf18("7","6","3","4","2","2","1") = "6"
    & skf18("7","6","3","4","2","3","1") = "6"
    & skf18("7","6","3","4","2","4","1") = "6"
    & skf18("7","6","3","4","2","5","1") = "6"
    & skf18("7","6","3","4","2","6","1") = "6"
    & skf18("7","6","3","4","2","7","1") = "6"
    & skf18("7","6","3","4","2","8","1") = "7"
    & skf18("7","6","3","4","2","9","1") = "8"
    & skf18("7","6","3","4","2","10","1") = "9"
    & skf18("7","6","3","4","3","1","1") = "6"
    & skf18("7","6","3","4","3","2","1") = "6"
    & skf18("7","6","3","4","3","3","1") = "6"
    & skf18("7","6","3","4","3","4","1") = "6"
    & skf18("7","6","3","4","3","5","1") = "6"
    & skf18("7","6","3","4","3","6","1") = "6"
    & skf18("7","6","3","4","3","7","1") = "6"
    & skf18("7","6","3","4","3","8","1") = "7"
    & skf18("7","6","3","4","3","9","1") = "8"
    & skf18("7","6","3","4","3","10","1") = "9"
    & skf18("7","6","3","4","4","1","1") = "6"
    & skf18("7","6","3","4","4","2","1") = "6"
    & skf18("7","6","3","4","4","3","1") = "6"
    & skf18("7","6","3","4","4","4","1") = "6"
    & skf18("7","6","3","4","4","5","1") = "6"
    & skf18("7","6","3","4","4","6","1") = "6"
    & skf18("7","6","3","4","4","7","1") = "6"
    & skf18("7","6","3","4","4","8","1") = "7"
    & skf18("7","6","3","4","4","9","1") = "8"
    & skf18("7","6","3","4","4","10","1") = "9"
    & skf18("7","6","3","4","5","1","1") = "6"
    & skf18("7","6","3","4","5","2","1") = "6"
    & skf18("7","6","3","4","5","3","1") = "6"
    & skf18("7","6","3","4","5","4","1") = "6"
    & skf18("7","6","3","4","5","5","1") = "6"
    & skf18("7","6","3","4","5","6","1") = "6"
    & skf18("7","6","3","4","5","7","1") = "6"
    & skf18("7","6","3","4","5","8","1") = "7"
    & skf18("7","6","3","4","5","9","1") = "8"
    & skf18("7","6","3","4","5","10","1") = "9"
    & skf18("7","6","3","4","6","1","1") = "6"
    & skf18("7","6","3","4","6","2","1") = "6"
    & skf18("7","6","3","4","6","3","1") = "6"
    & skf18("7","6","3","4","6","4","1") = "6"
    & skf18("7","6","3","4","6","5","1") = "6"
    & skf18("7","6","3","4","6","6","1") = "6"
    & skf18("7","6","3","4","6","7","1") = "6"
    & skf18("7","6","3","4","6","8","1") = "7"
    & skf18("7","6","3","4","6","9","1") = "8"
    & skf18("7","6","3","4","6","10","1") = "9"
    & skf18("7","6","3","4","7","1","1") = "6"
    & skf18("7","6","3","4","7","2","1") = "6"
    & skf18("7","6","3","4","7","3","1") = "6"
    & skf18("7","6","3","4","7","4","1") = "6"
    & skf18("7","6","3","4","7","5","1") = "6"
    & skf18("7","6","3","4","7","6","1") = "6"
    & skf18("7","6","3","4","7","7","1") = "6"
    & skf18("7","6","3","4","7","8","1") = "7"
    & skf18("7","6","3","4","7","9","1") = "8"
    & skf18("7","6","3","4","7","10","1") = "9"
    & skf18("7","6","3","4","8","1","1") = "7"
    & skf18("7","6","3","4","8","2","1") = "7"
    & skf18("7","6","3","4","8","3","1") = "7"
    & skf18("7","6","3","4","8","4","1") = "7"
    & skf18("7","6","3","4","8","5","1") = "7"
    & skf18("7","6","3","4","8","6","1") = "7"
    & skf18("7","6","3","4","8","7","1") = "7"
    & skf18("7","6","3","4","8","8","1") = "7"
    & skf18("7","6","3","4","8","9","1") = "8"
    & skf18("7","6","3","4","8","10","1") = "9"
    & skf18("7","6","3","4","9","1","1") = "8"
    & skf18("7","6","3","4","9","2","1") = "8"
    & skf18("7","6","3","4","9","3","1") = "8"
    & skf18("7","6","3","4","9","4","1") = "8"
    & skf18("7","6","3","4","9","5","1") = "8"
    & skf18("7","6","3","4","9","6","1") = "8"
    & skf18("7","6","3","4","9","7","1") = "8"
    & skf18("7","6","3","4","9","8","1") = "8"
    & skf18("7","6","3","4","9","9","1") = "8"
    & skf18("7","6","3","4","9","10","1") = "9"
    & skf18("7","6","3","4","10","1","1") = "9"
    & skf18("7","6","3","4","10","2","1") = "9"
    & skf18("7","6","3","4","10","3","1") = "9"
    & skf18("7","6","3","4","10","4","1") = "9"
    & skf18("7","6","3","4","10","5","1") = "9"
    & skf18("7","6","3","4","10","6","1") = "9"
    & skf18("7","6","3","4","10","7","1") = "9"
    & skf18("7","6","3","4","10","8","1") = "9"
    & skf18("7","6","3","4","10","9","1") = "9"
    & skf18("7","6","3","4","10","10","1") = "9"
    & skf18("7","6","3","5","1","1","1") = "6"
    & skf18("7","6","3","5","1","2","1") = "6"
    & skf18("7","6","3","5","1","3","1") = "6"
    & skf18("7","6","3","5","1","4","1") = "6"
    & skf18("7","6","3","5","1","5","1") = "6"
    & skf18("7","6","3","5","1","6","1") = "6"
    & skf18("7","6","3","5","1","7","1") = "6"
    & skf18("7","6","3","5","1","8","1") = "7"
    & skf18("7","6","3","5","1","9","1") = "8"
    & skf18("7","6","3","5","1","10","1") = "9"
    & skf18("7","6","3","5","2","1","1") = "6"
    & skf18("7","6","3","5","2","2","1") = "6"
    & skf18("7","6","3","5","2","3","1") = "6"
    & skf18("7","6","3","5","2","4","1") = "6"
    & skf18("7","6","3","5","2","5","1") = "6"
    & skf18("7","6","3","5","2","6","1") = "6"
    & skf18("7","6","3","5","2","7","1") = "6"
    & skf18("7","6","3","5","2","8","1") = "7"
    & skf18("7","6","3","5","2","9","1") = "8"
    & skf18("7","6","3","5","2","10","1") = "9"
    & skf18("7","6","3","5","3","1","1") = "6"
    & skf18("7","6","3","5","3","2","1") = "6"
    & skf18("7","6","3","5","3","3","1") = "6"
    & skf18("7","6","3","5","3","4","1") = "6"
    & skf18("7","6","3","5","3","5","1") = "6"
    & skf18("7","6","3","5","3","6","1") = "6"
    & skf18("7","6","3","5","3","7","1") = "6"
    & skf18("7","6","3","5","3","8","1") = "7"
    & skf18("7","6","3","5","3","9","1") = "8"
    & skf18("7","6","3","5","3","10","1") = "9"
    & skf18("7","6","3","5","4","1","1") = "6"
    & skf18("7","6","3","5","4","2","1") = "6"
    & skf18("7","6","3","5","4","3","1") = "6"
    & skf18("7","6","3","5","4","4","1") = "6"
    & skf18("7","6","3","5","4","5","1") = "6"
    & skf18("7","6","3","5","4","6","1") = "6"
    & skf18("7","6","3","5","4","7","1") = "6"
    & skf18("7","6","3","5","4","8","1") = "7"
    & skf18("7","6","3","5","4","9","1") = "8"
    & skf18("7","6","3","5","4","10","1") = "9"
    & skf18("7","6","3","5","5","1","1") = "6"
    & skf18("7","6","3","5","5","2","1") = "6"
    & skf18("7","6","3","5","5","3","1") = "6"
    & skf18("7","6","3","5","5","4","1") = "6"
    & skf18("7","6","3","5","5","5","1") = "6"
    & skf18("7","6","3","5","5","6","1") = "6"
    & skf18("7","6","3","5","5","7","1") = "6"
    & skf18("7","6","3","5","5","8","1") = "7"
    & skf18("7","6","3","5","5","9","1") = "8"
    & skf18("7","6","3","5","5","10","1") = "9"
    & skf18("7","6","3","5","6","1","1") = "6"
    & skf18("7","6","3","5","6","2","1") = "6"
    & skf18("7","6","3","5","6","3","1") = "6"
    & skf18("7","6","3","5","6","4","1") = "6"
    & skf18("7","6","3","5","6","5","1") = "6"
    & skf18("7","6","3","5","6","6","1") = "6"
    & skf18("7","6","3","5","6","7","1") = "6"
    & skf18("7","6","3","5","6","8","1") = "7"
    & skf18("7","6","3","5","6","9","1") = "8"
    & skf18("7","6","3","5","6","10","1") = "9"
    & skf18("7","6","3","5","7","1","1") = "6"
    & skf18("7","6","3","5","7","2","1") = "6"
    & skf18("7","6","3","5","7","3","1") = "6"
    & skf18("7","6","3","5","7","4","1") = "6"
    & skf18("7","6","3","5","7","5","1") = "6"
    & skf18("7","6","3","5","7","6","1") = "6"
    & skf18("7","6","3","5","7","7","1") = "6"
    & skf18("7","6","3","5","7","8","1") = "7"
    & skf18("7","6","3","5","7","9","1") = "8"
    & skf18("7","6","3","5","7","10","1") = "9"
    & skf18("7","6","3","5","8","1","1") = "7"
    & skf18("7","6","3","5","8","2","1") = "7"
    & skf18("7","6","3","5","8","3","1") = "7"
    & skf18("7","6","3","5","8","4","1") = "7"
    & skf18("7","6","3","5","8","5","1") = "7"
    & skf18("7","6","3","5","8","6","1") = "7"
    & skf18("7","6","3","5","8","7","1") = "7"
    & skf18("7","6","3","5","8","8","1") = "7"
    & skf18("7","6","3","5","8","9","1") = "8"
    & skf18("7","6","3","5","8","10","1") = "9"
    & skf18("7","6","3","5","9","1","1") = "8"
    & skf18("7","6","3","5","9","2","1") = "8"
    & skf18("7","6","3","5","9","3","1") = "8"
    & skf18("7","6","3","5","9","4","1") = "8"
    & skf18("7","6","3","5","9","5","1") = "8"
    & skf18("7","6","3","5","9","6","1") = "8"
    & skf18("7","6","3","5","9","7","1") = "8"
    & skf18("7","6","3","5","9","8","1") = "8"
    & skf18("7","6","3","5","9","9","1") = "8"
    & skf18("7","6","3","5","9","10","1") = "9"
    & skf18("7","6","3","5","10","1","1") = "9"
    & skf18("7","6","3","5","10","2","1") = "9"
    & skf18("7","6","3","5","10","3","1") = "9"
    & skf18("7","6","3","5","10","4","1") = "9"
    & skf18("7","6","3","5","10","5","1") = "9"
    & skf18("7","6","3","5","10","6","1") = "9"
    & skf18("7","6","3","5","10","7","1") = "9"
    & skf18("7","6","3","5","10","8","1") = "9"
    & skf18("7","6","3","5","10","9","1") = "9"
    & skf18("7","6","3","5","10","10","1") = "9"
    & skf18("7","6","3","6","1","1","1") = "6"
    & skf18("7","6","3","6","1","2","1") = "6"
    & skf18("7","6","3","6","1","3","1") = "6"
    & skf18("7","6","3","6","1","4","1") = "6"
    & skf18("7","6","3","6","1","5","1") = "6"
    & skf18("7","6","3","6","1","6","1") = "6"
    & skf18("7","6","3","6","1","7","1") = "6"
    & skf18("7","6","3","6","1","8","1") = "7"
    & skf18("7","6","3","6","1","9","1") = "8"
    & skf18("7","6","3","6","1","10","1") = "9"
    & skf18("7","6","3","6","2","1","1") = "6"
    & skf18("7","6","3","6","2","2","1") = "6"
    & skf18("7","6","3","6","2","3","1") = "6"
    & skf18("7","6","3","6","2","4","1") = "6"
    & skf18("7","6","3","6","2","5","1") = "6"
    & skf18("7","6","3","6","2","6","1") = "6"
    & skf18("7","6","3","6","2","7","1") = "6"
    & skf18("7","6","3","6","2","8","1") = "7"
    & skf18("7","6","3","6","2","9","1") = "8"
    & skf18("7","6","3","6","2","10","1") = "9"
    & skf18("7","6","3","6","3","1","1") = "6"
    & skf18("7","6","3","6","3","2","1") = "6"
    & skf18("7","6","3","6","3","3","1") = "6"
    & skf18("7","6","3","6","3","4","1") = "6"
    & skf18("7","6","3","6","3","5","1") = "6"
    & skf18("7","6","3","6","3","6","1") = "6"
    & skf18("7","6","3","6","3","7","1") = "6"
    & skf18("7","6","3","6","3","8","1") = "7"
    & skf18("7","6","3","6","3","9","1") = "8"
    & skf18("7","6","3","6","3","10","1") = "9"
    & skf18("7","6","3","6","4","1","1") = "6"
    & skf18("7","6","3","6","4","2","1") = "6"
    & skf18("7","6","3","6","4","3","1") = "6"
    & skf18("7","6","3","6","4","4","1") = "6"
    & skf18("7","6","3","6","4","5","1") = "6"
    & skf18("7","6","3","6","4","6","1") = "6"
    & skf18("7","6","3","6","4","7","1") = "6"
    & skf18("7","6","3","6","4","8","1") = "7"
    & skf18("7","6","3","6","4","9","1") = "8"
    & skf18("7","6","3","6","4","10","1") = "9"
    & skf18("7","6","3","6","5","1","1") = "6"
    & skf18("7","6","3","6","5","2","1") = "6"
    & skf18("7","6","3","6","5","3","1") = "6"
    & skf18("7","6","3","6","5","4","1") = "6"
    & skf18("7","6","3","6","5","5","1") = "6"
    & skf18("7","6","3","6","5","6","1") = "6"
    & skf18("7","6","3","6","5","7","1") = "6"
    & skf18("7","6","3","6","5","8","1") = "7"
    & skf18("7","6","3","6","5","9","1") = "8"
    & skf18("7","6","3","6","5","10","1") = "9"
    & skf18("7","6","3","6","6","1","1") = "6"
    & skf18("7","6","3","6","6","2","1") = "6"
    & skf18("7","6","3","6","6","3","1") = "6"
    & skf18("7","6","3","6","6","4","1") = "6"
    & skf18("7","6","3","6","6","5","1") = "6"
    & skf18("7","6","3","6","6","6","1") = "6"
    & skf18("7","6","3","6","6","7","1") = "6"
    & skf18("7","6","3","6","6","8","1") = "7"
    & skf18("7","6","3","6","6","9","1") = "8"
    & skf18("7","6","3","6","6","10","1") = "9"
    & skf18("7","6","3","6","7","1","1") = "6"
    & skf18("7","6","3","6","7","2","1") = "6"
    & skf18("7","6","3","6","7","3","1") = "6"
    & skf18("7","6","3","6","7","4","1") = "6"
    & skf18("7","6","3","6","7","5","1") = "6"
    & skf18("7","6","3","6","7","6","1") = "6"
    & skf18("7","6","3","6","7","7","1") = "6"
    & skf18("7","6","3","6","7","8","1") = "7"
    & skf18("7","6","3","6","7","9","1") = "8"
    & skf18("7","6","3","6","7","10","1") = "9"
    & skf18("7","6","3","6","8","1","1") = "7"
    & skf18("7","6","3","6","8","2","1") = "7"
    & skf18("7","6","3","6","8","3","1") = "7"
    & skf18("7","6","3","6","8","4","1") = "7"
    & skf18("7","6","3","6","8","5","1") = "7"
    & skf18("7","6","3","6","8","6","1") = "7"
    & skf18("7","6","3","6","8","7","1") = "7"
    & skf18("7","6","3","6","8","8","1") = "7"
    & skf18("7","6","3","6","8","9","1") = "8"
    & skf18("7","6","3","6","8","10","1") = "9"
    & skf18("7","6","3","6","9","1","1") = "8"
    & skf18("7","6","3","6","9","2","1") = "8"
    & skf18("7","6","3","6","9","3","1") = "8"
    & skf18("7","6","3","6","9","4","1") = "8"
    & skf18("7","6","3","6","9","5","1") = "8"
    & skf18("7","6","3","6","9","6","1") = "8"
    & skf18("7","6","3","6","9","7","1") = "8"
    & skf18("7","6","3","6","9","8","1") = "8"
    & skf18("7","6","3","6","9","9","1") = "8"
    & skf18("7","6","3","6","9","10","1") = "9"
    & skf18("7","6","3","6","10","1","1") = "9"
    & skf18("7","6","3","6","10","2","1") = "9"
    & skf18("7","6","3","6","10","3","1") = "9"
    & skf18("7","6","3","6","10","4","1") = "9"
    & skf18("7","6","3","6","10","5","1") = "9"
    & skf18("7","6","3","6","10","6","1") = "9"
    & skf18("7","6","3","6","10","7","1") = "9"
    & skf18("7","6","3","6","10","8","1") = "9"
    & skf18("7","6","3","6","10","9","1") = "9"
    & skf18("7","6","3","6","10","10","1") = "9"
    & skf18("7","6","3","7","1","1","1") = "6"
    & skf18("7","6","3","7","1","2","1") = "6"
    & skf18("7","6","3","7","1","3","1") = "6"
    & skf18("7","6","3","7","1","4","1") = "6"
    & skf18("7","6","3","7","1","5","1") = "6"
    & skf18("7","6","3","7","1","6","1") = "6"
    & skf18("7","6","3","7","1","7","1") = "6"
    & skf18("7","6","3","7","1","8","1") = "7"
    & skf18("7","6","3","7","1","9","1") = "8"
    & skf18("7","6","3","7","1","10","1") = "9"
    & skf18("7","6","3","7","2","1","1") = "6"
    & skf18("7","6","3","7","2","2","1") = "6"
    & skf18("7","6","3","7","2","3","1") = "6"
    & skf18("7","6","3","7","2","4","1") = "6"
    & skf18("7","6","3","7","2","5","1") = "6"
    & skf18("7","6","3","7","2","6","1") = "6"
    & skf18("7","6","3","7","2","7","1") = "6"
    & skf18("7","6","3","7","2","8","1") = "7"
    & skf18("7","6","3","7","2","9","1") = "8"
    & skf18("7","6","3","7","2","10","1") = "9"
    & skf18("7","6","3","7","3","1","1") = "6"
    & skf18("7","6","3","7","3","2","1") = "6"
    & skf18("7","6","3","7","3","3","1") = "6"
    & skf18("7","6","3","7","3","4","1") = "6"
    & skf18("7","6","3","7","3","5","1") = "6"
    & skf18("7","6","3","7","3","6","1") = "6"
    & skf18("7","6","3","7","3","7","1") = "6"
    & skf18("7","6","3","7","3","8","1") = "7"
    & skf18("7","6","3","7","3","9","1") = "8"
    & skf18("7","6","3","7","3","10","1") = "9"
    & skf18("7","6","3","7","4","1","1") = "6"
    & skf18("7","6","3","7","4","2","1") = "6"
    & skf18("7","6","3","7","4","3","1") = "6"
    & skf18("7","6","3","7","4","4","1") = "6"
    & skf18("7","6","3","7","4","5","1") = "6"
    & skf18("7","6","3","7","4","6","1") = "6"
    & skf18("7","6","3","7","4","7","1") = "6"
    & skf18("7","6","3","7","4","8","1") = "7"
    & skf18("7","6","3","7","4","9","1") = "8"
    & skf18("7","6","3","7","4","10","1") = "9"
    & skf18("7","6","3","7","5","1","1") = "6"
    & skf18("7","6","3","7","5","2","1") = "6"
    & skf18("7","6","3","7","5","3","1") = "6"
    & skf18("7","6","3","7","5","4","1") = "6"
    & skf18("7","6","3","7","5","5","1") = "6"
    & skf18("7","6","3","7","5","6","1") = "6"
    & skf18("7","6","3","7","5","7","1") = "6"
    & skf18("7","6","3","7","5","8","1") = "7"
    & skf18("7","6","3","7","5","9","1") = "8"
    & skf18("7","6","3","7","5","10","1") = "9"
    & skf18("7","6","3","7","6","1","1") = "6"
    & skf18("7","6","3","7","6","2","1") = "6"
    & skf18("7","6","3","7","6","3","1") = "6"
    & skf18("7","6","3","7","6","4","1") = "6"
    & skf18("7","6","3","7","6","5","1") = "6"
    & skf18("7","6","3","7","6","6","1") = "6"
    & skf18("7","6","3","7","6","7","1") = "6"
    & skf18("7","6","3","7","6","8","1") = "7"
    & skf18("7","6","3","7","6","9","1") = "8"
    & skf18("7","6","3","7","6","10","1") = "9"
    & skf18("7","6","3","7","7","1","1") = "6"
    & skf18("7","6","3","7","7","2","1") = "6"
    & skf18("7","6","3","7","7","3","1") = "6"
    & skf18("7","6","3","7","7","4","1") = "6"
    & skf18("7","6","3","7","7","5","1") = "6"
    & skf18("7","6","3","7","7","6","1") = "6"
    & skf18("7","6","3","7","7","7","1") = "6"
    & skf18("7","6","3","7","7","8","1") = "7"
    & skf18("7","6","3","7","7","9","1") = "8"
    & skf18("7","6","3","7","7","10","1") = "9"
    & skf18("7","6","3","7","8","1","1") = "7"
    & skf18("7","6","3","7","8","2","1") = "7"
    & skf18("7","6","3","7","8","3","1") = "7"
    & skf18("7","6","3","7","8","4","1") = "7"
    & skf18("7","6","3","7","8","5","1") = "7"
    & skf18("7","6","3","7","8","6","1") = "7"
    & skf18("7","6","3","7","8","7","1") = "7"
    & skf18("7","6","3","7","8","8","1") = "7"
    & skf18("7","6","3","7","8","9","1") = "8"
    & skf18("7","6","3","7","8","10","1") = "9"
    & skf18("7","6","3","7","9","1","1") = "8"
    & skf18("7","6","3","7","9","2","1") = "8"
    & skf18("7","6","3","7","9","3","1") = "8"
    & skf18("7","6","3","7","9","4","1") = "8"
    & skf18("7","6","3","7","9","5","1") = "8"
    & skf18("7","6","3","7","9","6","1") = "8"
    & skf18("7","6","3","7","9","7","1") = "8"
    & skf18("7","6","3","7","9","8","1") = "8"
    & skf18("7","6","3","7","9","9","1") = "8"
    & skf18("7","6","3","7","9","10","1") = "9"
    & skf18("7","6","3","7","10","1","1") = "9"
    & skf18("7","6","3","7","10","2","1") = "9"
    & skf18("7","6","3","7","10","3","1") = "9"
    & skf18("7","6","3","7","10","4","1") = "9"
    & skf18("7","6","3","7","10","5","1") = "9"
    & skf18("7","6","3","7","10","6","1") = "9"
    & skf18("7","6","3","7","10","7","1") = "9"
    & skf18("7","6","3","7","10","8","1") = "9"
    & skf18("7","6","3","7","10","9","1") = "9"
    & skf18("7","6","3","7","10","10","1") = "9"
    & skf18("7","6","3","8","1","1","1") = "7"
    & skf18("7","6","3","8","1","2","1") = "7"
    & skf18("7","6","3","8","1","3","1") = "7"
    & skf18("7","6","3","8","1","4","1") = "7"
    & skf18("7","6","3","8","1","5","1") = "7"
    & skf18("7","6","3","8","1","6","1") = "7"
    & skf18("7","6","3","8","1","7","1") = "7"
    & skf18("7","6","3","8","1","8","1") = "7"
    & skf18("7","6","3","8","1","9","1") = "8"
    & skf18("7","6","3","8","1","10","1") = "9"
    & skf18("7","6","3","8","2","1","1") = "7"
    & skf18("7","6","3","8","2","2","1") = "7"
    & skf18("7","6","3","8","2","3","1") = "7"
    & skf18("7","6","3","8","2","4","1") = "7"
    & skf18("7","6","3","8","2","5","1") = "7"
    & skf18("7","6","3","8","2","6","1") = "7"
    & skf18("7","6","3","8","2","7","1") = "7"
    & skf18("7","6","3","8","2","8","1") = "7"
    & skf18("7","6","3","8","2","9","1") = "8"
    & skf18("7","6","3","8","2","10","1") = "9"
    & skf18("7","6","3","8","3","1","1") = "7"
    & skf18("7","6","3","8","3","2","1") = "7"
    & skf18("7","6","3","8","3","3","1") = "7"
    & skf18("7","6","3","8","3","4","1") = "7"
    & skf18("7","6","3","8","3","5","1") = "7"
    & skf18("7","6","3","8","3","6","1") = "7"
    & skf18("7","6","3","8","3","7","1") = "7"
    & skf18("7","6","3","8","3","8","1") = "7"
    & skf18("7","6","3","8","3","9","1") = "8"
    & skf18("7","6","3","8","3","10","1") = "9"
    & skf18("7","6","3","8","4","1","1") = "7"
    & skf18("7","6","3","8","4","2","1") = "7"
    & skf18("7","6","3","8","4","3","1") = "7"
    & skf18("7","6","3","8","4","4","1") = "7"
    & skf18("7","6","3","8","4","5","1") = "7"
    & skf18("7","6","3","8","4","6","1") = "7"
    & skf18("7","6","3","8","4","7","1") = "7"
    & skf18("7","6","3","8","4","8","1") = "7"
    & skf18("7","6","3","8","4","9","1") = "8"
    & skf18("7","6","3","8","4","10","1") = "9"
    & skf18("7","6","3","8","5","1","1") = "7"
    & skf18("7","6","3","8","5","2","1") = "7"
    & skf18("7","6","3","8","5","3","1") = "7"
    & skf18("7","6","3","8","5","4","1") = "7"
    & skf18("7","6","3","8","5","5","1") = "7"
    & skf18("7","6","3","8","5","6","1") = "7"
    & skf18("7","6","3","8","5","7","1") = "7"
    & skf18("7","6","3","8","5","8","1") = "7"
    & skf18("7","6","3","8","5","9","1") = "8"
    & skf18("7","6","3","8","5","10","1") = "9"
    & skf18("7","6","3","8","6","1","1") = "7"
    & skf18("7","6","3","8","6","2","1") = "7"
    & skf18("7","6","3","8","6","3","1") = "7"
    & skf18("7","6","3","8","6","4","1") = "7"
    & skf18("7","6","3","8","6","5","1") = "7"
    & skf18("7","6","3","8","6","6","1") = "7"
    & skf18("7","6","3","8","6","7","1") = "7"
    & skf18("7","6","3","8","6","8","1") = "7"
    & skf18("7","6","3","8","6","9","1") = "8"
    & skf18("7","6","3","8","6","10","1") = "9"
    & skf18("7","6","3","8","7","1","1") = "7"
    & skf18("7","6","3","8","7","2","1") = "7"
    & skf18("7","6","3","8","7","3","1") = "7"
    & skf18("7","6","3","8","7","4","1") = "7"
    & skf18("7","6","3","8","7","5","1") = "7"
    & skf18("7","6","3","8","7","6","1") = "7"
    & skf18("7","6","3","8","7","7","1") = "7"
    & skf18("7","6","3","8","7","8","1") = "7"
    & skf18("7","6","3","8","7","9","1") = "8"
    & skf18("7","6","3","8","7","10","1") = "9"
    & skf18("7","6","3","8","8","1","1") = "7"
    & skf18("7","6","3","8","8","2","1") = "7"
    & skf18("7","6","3","8","8","3","1") = "7"
    & skf18("7","6","3","8","8","4","1") = "7"
    & skf18("7","6","3","8","8","5","1") = "7"
    & skf18("7","6","3","8","8","6","1") = "7"
    & skf18("7","6","3","8","8","7","1") = "7"
    & skf18("7","6","3","8","8","8","1") = "7"
    & skf18("7","6","3","8","8","9","1") = "8"
    & skf18("7","6","3","8","8","10","1") = "9"
    & skf18("7","6","3","8","9","1","1") = "8"
    & skf18("7","6","3","8","9","2","1") = "8"
    & skf18("7","6","3","8","9","3","1") = "8"
    & skf18("7","6","3","8","9","4","1") = "8"
    & skf18("7","6","3","8","9","5","1") = "8"
    & skf18("7","6","3","8","9","6","1") = "8"
    & skf18("7","6","3","8","9","7","1") = "8"
    & skf18("7","6","3","8","9","8","1") = "8"
    & skf18("7","6","3","8","9","9","1") = "8"
    & skf18("7","6","3","8","9","10","1") = "9"
    & skf18("7","6","3","8","10","1","1") = "9"
    & skf18("7","6","3","8","10","2","1") = "9"
    & skf18("7","6","3","8","10","3","1") = "9"
    & skf18("7","6","3","8","10","4","1") = "9"
    & skf18("7","6","3","8","10","5","1") = "9"
    & skf18("7","6","3","8","10","6","1") = "9"
    & skf18("7","6","3","8","10","7","1") = "9"
    & skf18("7","6","3","8","10","8","1") = "9"
    & skf18("7","6","3","8","10","9","1") = "9"
    & skf18("7","6","3","8","10","10","1") = "9"
    & skf18("7","6","3","9","1","1","1") = "8"
    & skf18("7","6","3","9","1","2","1") = "8"
    & skf18("7","6","3","9","1","3","1") = "8"
    & skf18("7","6","3","9","1","4","1") = "8"
    & skf18("7","6","3","9","1","5","1") = "8"
    & skf18("7","6","3","9","1","6","1") = "8"
    & skf18("7","6","3","9","1","7","1") = "8"
    & skf18("7","6","3","9","1","8","1") = "8"
    & skf18("7","6","3","9","1","9","1") = "8"
    & skf18("7","6","3","9","1","10","1") = "9"
    & skf18("7","6","3","9","2","1","1") = "8"
    & skf18("7","6","3","9","2","2","1") = "8"
    & skf18("7","6","3","9","2","3","1") = "8"
    & skf18("7","6","3","9","2","4","1") = "8"
    & skf18("7","6","3","9","2","5","1") = "8"
    & skf18("7","6","3","9","2","6","1") = "8"
    & skf18("7","6","3","9","2","7","1") = "8"
    & skf18("7","6","3","9","2","8","1") = "8"
    & skf18("7","6","3","9","2","9","1") = "8"
    & skf18("7","6","3","9","2","10","1") = "9"
    & skf18("7","6","3","9","3","1","1") = "8"
    & skf18("7","6","3","9","3","2","1") = "8"
    & skf18("7","6","3","9","3","3","1") = "8"
    & skf18("7","6","3","9","3","4","1") = "8"
    & skf18("7","6","3","9","3","5","1") = "8"
    & skf18("7","6","3","9","3","6","1") = "8"
    & skf18("7","6","3","9","3","7","1") = "8"
    & skf18("7","6","3","9","3","8","1") = "8"
    & skf18("7","6","3","9","3","9","1") = "8"
    & skf18("7","6","3","9","3","10","1") = "9"
    & skf18("7","6","3","9","4","1","1") = "8"
    & skf18("7","6","3","9","4","2","1") = "8"
    & skf18("7","6","3","9","4","3","1") = "8"
    & skf18("7","6","3","9","4","4","1") = "8"
    & skf18("7","6","3","9","4","5","1") = "8"
    & skf18("7","6","3","9","4","6","1") = "8"
    & skf18("7","6","3","9","4","7","1") = "8"
    & skf18("7","6","3","9","4","8","1") = "8"
    & skf18("7","6","3","9","4","9","1") = "8"
    & skf18("7","6","3","9","4","10","1") = "9"
    & skf18("7","6","3","9","5","1","1") = "8"
    & skf18("7","6","3","9","5","2","1") = "8"
    & skf18("7","6","3","9","5","3","1") = "8"
    & skf18("7","6","3","9","5","4","1") = "8"
    & skf18("7","6","3","9","5","5","1") = "8"
    & skf18("7","6","3","9","5","6","1") = "8"
    & skf18("7","6","3","9","5","7","1") = "8"
    & skf18("7","6","3","9","5","8","1") = "8"
    & skf18("7","6","3","9","5","9","1") = "8"
    & skf18("7","6","3","9","5","10","1") = "9"
    & skf18("7","6","3","9","6","1","1") = "8"
    & skf18("7","6","3","9","6","2","1") = "8"
    & skf18("7","6","3","9","6","3","1") = "8"
    & skf18("7","6","3","9","6","4","1") = "8"
    & skf18("7","6","3","9","6","5","1") = "8"
    & skf18("7","6","3","9","6","6","1") = "8"
    & skf18("7","6","3","9","6","7","1") = "8"
    & skf18("7","6","3","9","6","8","1") = "8"
    & skf18("7","6","3","9","6","9","1") = "8"
    & skf18("7","6","3","9","6","10","1") = "9"
    & skf18("7","6","3","9","7","1","1") = "8"
    & skf18("7","6","3","9","7","2","1") = "8"
    & skf18("7","6","3","9","7","3","1") = "8"
    & skf18("7","6","3","9","7","4","1") = "8"
    & skf18("7","6","3","9","7","5","1") = "8"
    & skf18("7","6","3","9","7","6","1") = "8"
    & skf18("7","6","3","9","7","7","1") = "8"
    & skf18("7","6","3","9","7","8","1") = "8"
    & skf18("7","6","3","9","7","9","1") = "8"
    & skf18("7","6","3","9","7","10","1") = "9"
    & skf18("7","6","3","9","8","1","1") = "8"
    & skf18("7","6","3","9","8","2","1") = "8"
    & skf18("7","6","3","9","8","3","1") = "8"
    & skf18("7","6","3","9","8","4","1") = "8"
    & skf18("7","6","3","9","8","5","1") = "8"
    & skf18("7","6","3","9","8","6","1") = "8"
    & skf18("7","6","3","9","8","7","1") = "8"
    & skf18("7","6","3","9","8","8","1") = "8"
    & skf18("7","6","3","9","8","9","1") = "8"
    & skf18("7","6","3","9","8","10","1") = "9"
    & skf18("7","6","3","9","9","1","1") = "8"
    & skf18("7","6","3","9","9","2","1") = "8"
    & skf18("7","6","3","9","9","3","1") = "8"
    & skf18("7","6","3","9","9","4","1") = "8"
    & skf18("7","6","3","9","9","5","1") = "8"
    & skf18("7","6","3","9","9","6","1") = "8"
    & skf18("7","6","3","9","9","7","1") = "8"
    & skf18("7","6","3","9","9","8","1") = "8"
    & skf18("7","6","3","9","9","9","1") = "8"
    & skf18("7","6","3","9","9","10","1") = "9"
    & skf18("7","6","3","9","10","1","1") = "9"
    & skf18("7","6","3","9","10","2","1") = "9"
    & skf18("7","6","3","9","10","3","1") = "9"
    & skf18("7","6","3","9","10","4","1") = "9"
    & skf18("7","6","3","9","10","5","1") = "9"
    & skf18("7","6","3","9","10","6","1") = "9"
    & skf18("7","6","3","9","10","7","1") = "9"
    & skf18("7","6","3","9","10","8","1") = "9"
    & skf18("7","6","3","9","10","9","1") = "9"
    & skf18("7","6","3","9","10","10","1") = "9"
    & skf18("7","6","3","10","1","1","1") = "9"
    & skf18("7","6","3","10","1","2","1") = "9"
    & skf18("7","6","3","10","1","3","1") = "9"
    & skf18("7","6","3","10","1","4","1") = "9"
    & skf18("7","6","3","10","1","5","1") = "9"
    & skf18("7","6","3","10","1","6","1") = "9"
    & skf18("7","6","3","10","1","7","1") = "9"
    & skf18("7","6","3","10","1","8","1") = "9"
    & skf18("7","6","3","10","1","9","1") = "9"
    & skf18("7","6","3","10","1","10","1") = "9"
    & skf18("7","6","3","10","2","1","1") = "9"
    & skf18("7","6","3","10","2","2","1") = "9"
    & skf18("7","6","3","10","2","3","1") = "9"
    & skf18("7","6","3","10","2","4","1") = "9"
    & skf18("7","6","3","10","2","5","1") = "9"
    & skf18("7","6","3","10","2","6","1") = "9"
    & skf18("7","6","3","10","2","7","1") = "9"
    & skf18("7","6","3","10","2","8","1") = "9"
    & skf18("7","6","3","10","2","9","1") = "9"
    & skf18("7","6","3","10","2","10","1") = "9"
    & skf18("7","6","3","10","3","1","1") = "9"
    & skf18("7","6","3","10","3","2","1") = "9"
    & skf18("7","6","3","10","3","3","1") = "9"
    & skf18("7","6","3","10","3","4","1") = "9"
    & skf18("7","6","3","10","3","5","1") = "9"
    & skf18("7","6","3","10","3","6","1") = "9"
    & skf18("7","6","3","10","3","7","1") = "9"
    & skf18("7","6","3","10","3","8","1") = "9"
    & skf18("7","6","3","10","3","9","1") = "9"
    & skf18("7","6","3","10","3","10","1") = "9"
    & skf18("7","6","3","10","4","1","1") = "9"
    & skf18("7","6","3","10","4","2","1") = "9"
    & skf18("7","6","3","10","4","3","1") = "9"
    & skf18("7","6","3","10","4","4","1") = "9"
    & skf18("7","6","3","10","4","5","1") = "9"
    & skf18("7","6","3","10","4","6","1") = "9"
    & skf18("7","6","3","10","4","7","1") = "9"
    & skf18("7","6","3","10","4","8","1") = "9"
    & skf18("7","6","3","10","4","9","1") = "9"
    & skf18("7","6","3","10","4","10","1") = "9"
    & skf18("7","6","3","10","5","1","1") = "9"
    & skf18("7","6","3","10","5","2","1") = "9"
    & skf18("7","6","3","10","5","3","1") = "9"
    & skf18("7","6","3","10","5","4","1") = "9"
    & skf18("7","6","3","10","5","5","1") = "9"
    & skf18("7","6","3","10","5","6","1") = "9"
    & skf18("7","6","3","10","5","7","1") = "9"
    & skf18("7","6","3","10","5","8","1") = "9"
    & skf18("7","6","3","10","5","9","1") = "9"
    & skf18("7","6","3","10","5","10","1") = "9"
    & skf18("7","6","3","10","6","1","1") = "9"
    & skf18("7","6","3","10","6","2","1") = "9"
    & skf18("7","6","3","10","6","3","1") = "9"
    & skf18("7","6","3","10","6","4","1") = "9"
    & skf18("7","6","3","10","6","5","1") = "9"
    & skf18("7","6","3","10","6","6","1") = "9"
    & skf18("7","6","3","10","6","7","1") = "9"
    & skf18("7","6","3","10","6","8","1") = "9"
    & skf18("7","6","3","10","6","9","1") = "9"
    & skf18("7","6","3","10","6","10","1") = "9"
    & skf18("7","6","3","10","7","1","1") = "9"
    & skf18("7","6","3","10","7","2","1") = "9"
    & skf18("7","6","3","10","7","3","1") = "9"
    & skf18("7","6","3","10","7","4","1") = "9"
    & skf18("7","6","3","10","7","5","1") = "9"
    & skf18("7","6","3","10","7","6","1") = "9"
    & skf18("7","6","3","10","7","7","1") = "9"
    & skf18("7","6","3","10","7","8","1") = "9"
    & skf18("7","6","3","10","7","9","1") = "9"
    & skf18("7","6","3","10","7","10","1") = "9"
    & skf18("7","6","3","10","8","1","1") = "9"
    & skf18("7","6","3","10","8","2","1") = "9"
    & skf18("7","6","3","10","8","3","1") = "9"
    & skf18("7","6","3","10","8","4","1") = "9"
    & skf18("7","6","3","10","8","5","1") = "9"
    & skf18("7","6","3","10","8","6","1") = "9"
    & skf18("7","6","3","10","8","7","1") = "9"
    & skf18("7","6","3","10","8","8","1") = "9"
    & skf18("7","6","3","10","8","9","1") = "9"
    & skf18("7","6","3","10","8","10","1") = "9"
    & skf18("7","6","3","10","9","1","1") = "9"
    & skf18("7","6","3","10","9","2","1") = "9"
    & skf18("7","6","3","10","9","3","1") = "9"
    & skf18("7","6","3","10","9","4","1") = "9"
    & skf18("7","6","3","10","9","5","1") = "9"
    & skf18("7","6","3","10","9","6","1") = "9"
    & skf18("7","6","3","10","9","7","1") = "9"
    & skf18("7","6","3","10","9","8","1") = "9"
    & skf18("7","6","3","10","9","9","1") = "9"
    & skf18("7","6","3","10","9","10","1") = "9"
    & skf18("7","6","3","10","10","1","1") = "9"
    & skf18("7","6","3","10","10","2","1") = "9"
    & skf18("7","6","3","10","10","3","1") = "9"
    & skf18("7","6","3","10","10","4","1") = "9"
    & skf18("7","6","3","10","10","5","1") = "9"
    & skf18("7","6","3","10","10","6","1") = "9"
    & skf18("7","6","3","10","10","7","1") = "9"
    & skf18("7","6","3","10","10","8","1") = "9"
    & skf18("7","6","3","10","10","9","1") = "9"
    & skf18("7","6","3","10","10","10","1") = "9"
    & skf18("7","6","4","1","1","1","1") = "6"
    & skf18("7","6","4","1","1","2","1") = "6"
    & skf18("7","6","4","1","1","3","1") = "6"
    & skf18("7","6","4","1","1","4","1") = "6"
    & skf18("7","6","4","1","1","5","1") = "6"
    & skf18("7","6","4","1","1","6","1") = "6"
    & skf18("7","6","4","1","1","7","1") = "6"
    & skf18("7","6","4","1","1","8","1") = "7"
    & skf18("7","6","4","1","1","9","1") = "8"
    & skf18("7","6","4","1","1","10","1") = "9"
    & skf18("7","6","4","1","2","1","1") = "6"
    & skf18("7","6","4","1","2","2","1") = "6"
    & skf18("7","6","4","1","2","3","1") = "6"
    & skf18("7","6","4","1","2","4","1") = "6"
    & skf18("7","6","4","1","2","5","1") = "6"
    & skf18("7","6","4","1","2","6","1") = "6"
    & skf18("7","6","4","1","2","7","1") = "6"
    & skf18("7","6","4","1","2","8","1") = "7"
    & skf18("7","6","4","1","2","9","1") = "8"
    & skf18("7","6","4","1","2","10","1") = "9"
    & skf18("7","6","4","1","3","1","1") = "6"
    & skf18("7","6","4","1","3","2","1") = "6"
    & skf18("7","6","4","1","3","3","1") = "6"
    & skf18("7","6","4","1","3","4","1") = "6"
    & skf18("7","6","4","1","3","5","1") = "6"
    & skf18("7","6","4","1","3","6","1") = "6"
    & skf18("7","6","4","1","3","7","1") = "6"
    & skf18("7","6","4","1","3","8","1") = "7"
    & skf18("7","6","4","1","3","9","1") = "8"
    & skf18("7","6","4","1","3","10","1") = "9"
    & skf18("7","6","4","1","4","1","1") = "6"
    & skf18("7","6","4","1","4","2","1") = "6"
    & skf18("7","6","4","1","4","3","1") = "6"
    & skf18("7","6","4","1","4","4","1") = "6"
    & skf18("7","6","4","1","4","5","1") = "6"
    & skf18("7","6","4","1","4","6","1") = "6"
    & skf18("7","6","4","1","4","7","1") = "6"
    & skf18("7","6","4","1","4","8","1") = "7"
    & skf18("7","6","4","1","4","9","1") = "8"
    & skf18("7","6","4","1","4","10","1") = "9"
    & skf18("7","6","4","1","5","1","1") = "6"
    & skf18("7","6","4","1","5","2","1") = "6"
    & skf18("7","6","4","1","5","3","1") = "6"
    & skf18("7","6","4","1","5","4","1") = "6"
    & skf18("7","6","4","1","5","5","1") = "6"
    & skf18("7","6","4","1","5","6","1") = "6"
    & skf18("7","6","4","1","5","7","1") = "6"
    & skf18("7","6","4","1","5","8","1") = "7"
    & skf18("7","6","4","1","5","9","1") = "8"
    & skf18("7","6","4","1","5","10","1") = "9"
    & skf18("7","6","4","1","6","1","1") = "6"
    & skf18("7","6","4","1","6","2","1") = "6"
    & skf18("7","6","4","1","6","3","1") = "6"
    & skf18("7","6","4","1","6","4","1") = "6"
    & skf18("7","6","4","1","6","5","1") = "6"
    & skf18("7","6","4","1","6","6","1") = "6"
    & skf18("7","6","4","1","6","7","1") = "6"
    & skf18("7","6","4","1","6","8","1") = "7"
    & skf18("7","6","4","1","6","9","1") = "8"
    & skf18("7","6","4","1","6","10","1") = "9"
    & skf18("7","6","4","1","7","1","1") = "6"
    & skf18("7","6","4","1","7","2","1") = "6"
    & skf18("7","6","4","1","7","3","1") = "6"
    & skf18("7","6","4","1","7","4","1") = "6"
    & skf18("7","6","4","1","7","5","1") = "6"
    & skf18("7","6","4","1","7","6","1") = "6"
    & skf18("7","6","4","1","7","7","1") = "6"
    & skf18("7","6","4","1","7","8","1") = "7"
    & skf18("7","6","4","1","7","9","1") = "8"
    & skf18("7","6","4","1","7","10","1") = "9"
    & skf18("7","6","4","1","8","1","1") = "7"
    & skf18("7","6","4","1","8","2","1") = "7"
    & skf18("7","6","4","1","8","3","1") = "7"
    & skf18("7","6","4","1","8","4","1") = "7"
    & skf18("7","6","4","1","8","5","1") = "7"
    & skf18("7","6","4","1","8","6","1") = "7"
    & skf18("7","6","4","1","8","7","1") = "7"
    & skf18("7","6","4","1","8","8","1") = "7"
    & skf18("7","6","4","1","8","9","1") = "8"
    & skf18("7","6","4","1","8","10","1") = "9"
    & skf18("7","6","4","1","9","1","1") = "8"
    & skf18("7","6","4","1","9","2","1") = "8"
    & skf18("7","6","4","1","9","3","1") = "8"
    & skf18("7","6","4","1","9","4","1") = "8"
    & skf18("7","6","4","1","9","5","1") = "8"
    & skf18("7","6","4","1","9","6","1") = "8"
    & skf18("7","6","4","1","9","7","1") = "8"
    & skf18("7","6","4","1","9","8","1") = "8"
    & skf18("7","6","4","1","9","9","1") = "8"
    & skf18("7","6","4","1","9","10","1") = "9"
    & skf18("7","6","4","1","10","1","1") = "9"
    & skf18("7","6","4","1","10","2","1") = "9"
    & skf18("7","6","4","1","10","3","1") = "9"
    & skf18("7","6","4","1","10","4","1") = "9"
    & skf18("7","6","4","1","10","5","1") = "9"
    & skf18("7","6","4","1","10","6","1") = "9"
    & skf18("7","6","4","1","10","7","1") = "9"
    & skf18("7","6","4","1","10","8","1") = "9"
    & skf18("7","6","4","1","10","9","1") = "9"
    & skf18("7","6","4","1","10","10","1") = "9"
    & skf18("7","6","4","2","1","1","1") = "6"
    & skf18("7","6","4","2","1","2","1") = "6"
    & skf18("7","6","4","2","1","3","1") = "6"
    & skf18("7","6","4","2","1","4","1") = "6"
    & skf18("7","6","4","2","1","5","1") = "6"
    & skf18("7","6","4","2","1","6","1") = "6"
    & skf18("7","6","4","2","1","7","1") = "6"
    & skf18("7","6","4","2","1","8","1") = "7"
    & skf18("7","6","4","2","1","9","1") = "8"
    & skf18("7","6","4","2","1","10","1") = "9"
    & skf18("7","6","4","2","2","1","1") = "6"
    & skf18("7","6","4","2","2","2","1") = "6"
    & skf18("7","6","4","2","2","3","1") = "6"
    & skf18("7","6","4","2","2","4","1") = "6"
    & skf18("7","6","4","2","2","5","1") = "6"
    & skf18("7","6","4","2","2","6","1") = "6"
    & skf18("7","6","4","2","2","7","1") = "6"
    & skf18("7","6","4","2","2","8","1") = "7"
    & skf18("7","6","4","2","2","9","1") = "8"
    & skf18("7","6","4","2","2","10","1") = "9"
    & skf18("7","6","4","2","3","1","1") = "6"
    & skf18("7","6","4","2","3","2","1") = "6"
    & skf18("7","6","4","2","3","3","1") = "6"
    & skf18("7","6","4","2","3","4","1") = "6"
    & skf18("7","6","4","2","3","5","1") = "6"
    & skf18("7","6","4","2","3","6","1") = "6"
    & skf18("7","6","4","2","3","7","1") = "6"
    & skf18("7","6","4","2","3","8","1") = "7"
    & skf18("7","6","4","2","3","9","1") = "8"
    & skf18("7","6","4","2","3","10","1") = "9"
    & skf18("7","6","4","2","4","1","1") = "6"
    & skf18("7","6","4","2","4","2","1") = "6"
    & skf18("7","6","4","2","4","3","1") = "6"
    & skf18("7","6","4","2","4","4","1") = "6"
    & skf18("7","6","4","2","4","5","1") = "6"
    & skf18("7","6","4","2","4","6","1") = "6"
    & skf18("7","6","4","2","4","7","1") = "6"
    & skf18("7","6","4","2","4","8","1") = "7"
    & skf18("7","6","4","2","4","9","1") = "8"
    & skf18("7","6","4","2","4","10","1") = "9"
    & skf18("7","6","4","2","5","1","1") = "6"
    & skf18("7","6","4","2","5","2","1") = "6"
    & skf18("7","6","4","2","5","3","1") = "6"
    & skf18("7","6","4","2","5","4","1") = "6"
    & skf18("7","6","4","2","5","5","1") = "6"
    & skf18("7","6","4","2","5","6","1") = "6"
    & skf18("7","6","4","2","5","7","1") = "6"
    & skf18("7","6","4","2","5","8","1") = "7"
    & skf18("7","6","4","2","5","9","1") = "8"
    & skf18("7","6","4","2","5","10","1") = "9"
    & skf18("7","6","4","2","6","1","1") = "6"
    & skf18("7","6","4","2","6","2","1") = "6"
    & skf18("7","6","4","2","6","3","1") = "6"
    & skf18("7","6","4","2","6","4","1") = "6"
    & skf18("7","6","4","2","6","5","1") = "6"
    & skf18("7","6","4","2","6","6","1") = "6"
    & skf18("7","6","4","2","6","7","1") = "6"
    & skf18("7","6","4","2","6","8","1") = "7"
    & skf18("7","6","4","2","6","9","1") = "8"
    & skf18("7","6","4","2","6","10","1") = "9"
    & skf18("7","6","4","2","7","1","1") = "6"
    & skf18("7","6","4","2","7","2","1") = "6"
    & skf18("7","6","4","2","7","3","1") = "6"
    & skf18("7","6","4","2","7","4","1") = "6"
    & skf18("7","6","4","2","7","5","1") = "6"
    & skf18("7","6","4","2","7","6","1") = "6"
    & skf18("7","6","4","2","7","7","1") = "6"
    & skf18("7","6","4","2","7","8","1") = "7"
    & skf18("7","6","4","2","7","9","1") = "8"
    & skf18("7","6","4","2","7","10","1") = "9"
    & skf18("7","6","4","2","8","1","1") = "7"
    & skf18("7","6","4","2","8","2","1") = "7"
    & skf18("7","6","4","2","8","3","1") = "7"
    & skf18("7","6","4","2","8","4","1") = "7"
    & skf18("7","6","4","2","8","5","1") = "7"
    & skf18("7","6","4","2","8","6","1") = "7"
    & skf18("7","6","4","2","8","7","1") = "7"
    & skf18("7","6","4","2","8","8","1") = "7"
    & skf18("7","6","4","2","8","9","1") = "8"
    & skf18("7","6","4","2","8","10","1") = "9"
    & skf18("7","6","4","2","9","1","1") = "8"
    & skf18("7","6","4","2","9","2","1") = "8"
    & skf18("7","6","4","2","9","3","1") = "8"
    & skf18("7","6","4","2","9","4","1") = "8"
    & skf18("7","6","4","2","9","5","1") = "8"
    & skf18("7","6","4","2","9","6","1") = "8"
    & skf18("7","6","4","2","9","7","1") = "8"
    & skf18("7","6","4","2","9","8","1") = "8"
    & skf18("7","6","4","2","9","9","1") = "8"
    & skf18("7","6","4","2","9","10","1") = "9"
    & skf18("7","6","4","2","10","1","1") = "9"
    & skf18("7","6","4","2","10","2","1") = "9"
    & skf18("7","6","4","2","10","3","1") = "9"
    & skf18("7","6","4","2","10","4","1") = "9"
    & skf18("7","6","4","2","10","5","1") = "9"
    & skf18("7","6","4","2","10","6","1") = "9"
    & skf18("7","6","4","2","10","7","1") = "9"
    & skf18("7","6","4","2","10","8","1") = "9"
    & skf18("7","6","4","2","10","9","1") = "9"
    & skf18("7","6","4","2","10","10","1") = "9"
    & skf18("7","6","4","3","1","1","1") = "6"
    & skf18("7","6","4","3","1","2","1") = "6"
    & skf18("7","6","4","3","1","3","1") = "6"
    & skf18("7","6","4","3","1","4","1") = "6"
    & skf18("7","6","4","3","1","5","1") = "6"
    & skf18("7","6","4","3","1","6","1") = "6"
    & skf18("7","6","4","3","1","7","1") = "6"
    & skf18("7","6","4","3","1","8","1") = "7"
    & skf18("7","6","4","3","1","9","1") = "8"
    & skf18("7","6","4","3","1","10","1") = "9"
    & skf18("7","6","4","3","2","1","1") = "6"
    & skf18("7","6","4","3","2","2","1") = "6"
    & skf18("7","6","4","3","2","3","1") = "6"
    & skf18("7","6","4","3","2","4","1") = "6"
    & skf18("7","6","4","3","2","5","1") = "6"
    & skf18("7","6","4","3","2","6","1") = "6"
    & skf18("7","6","4","3","2","7","1") = "6"
    & skf18("7","6","4","3","2","8","1") = "7"
    & skf18("7","6","4","3","2","9","1") = "8"
    & skf18("7","6","4","3","2","10","1") = "9"
    & skf18("7","6","4","3","3","1","1") = "6"
    & skf18("7","6","4","3","3","2","1") = "6"
    & skf18("7","6","4","3","3","3","1") = "6"
    & skf18("7","6","4","3","3","4","1") = "6"
    & skf18("7","6","4","3","3","5","1") = "6"
    & skf18("7","6","4","3","3","6","1") = "6"
    & skf18("7","6","4","3","3","7","1") = "6"
    & skf18("7","6","4","3","3","8","1") = "7"
    & skf18("7","6","4","3","3","9","1") = "8"
    & skf18("7","6","4","3","3","10","1") = "9"
    & skf18("7","6","4","3","4","1","1") = "6"
    & skf18("7","6","4","3","4","2","1") = "6"
    & skf18("7","6","4","3","4","3","1") = "6"
    & skf18("7","6","4","3","4","4","1") = "6"
    & skf18("7","6","4","3","4","5","1") = "6"
    & skf18("7","6","4","3","4","6","1") = "6"
    & skf18("7","6","4","3","4","7","1") = "6"
    & skf18("7","6","4","3","4","8","1") = "7"
    & skf18("7","6","4","3","4","9","1") = "8"
    & skf18("7","6","4","3","4","10","1") = "9"
    & skf18("7","6","4","3","5","1","1") = "6"
    & skf18("7","6","4","3","5","2","1") = "6"
    & skf18("7","6","4","3","5","3","1") = "6"
    & skf18("7","6","4","3","5","4","1") = "6"
    & skf18("7","6","4","3","5","5","1") = "6"
    & skf18("7","6","4","3","5","6","1") = "6"
    & skf18("7","6","4","3","5","7","1") = "6"
    & skf18("7","6","4","3","5","8","1") = "7"
    & skf18("7","6","4","3","5","9","1") = "8"
    & skf18("7","6","4","3","5","10","1") = "9"
    & skf18("7","6","4","3","6","1","1") = "6"
    & skf18("7","6","4","3","6","2","1") = "6"
    & skf18("7","6","4","3","6","3","1") = "6"
    & skf18("7","6","4","3","6","4","1") = "6"
    & skf18("7","6","4","3","6","5","1") = "6"
    & skf18("7","6","4","3","6","6","1") = "6"
    & skf18("7","6","4","3","6","7","1") = "6"
    & skf18("7","6","4","3","6","8","1") = "7"
    & skf18("7","6","4","3","6","9","1") = "8"
    & skf18("7","6","4","3","6","10","1") = "9"
    & skf18("7","6","4","3","7","1","1") = "6"
    & skf18("7","6","4","3","7","2","1") = "6"
    & skf18("7","6","4","3","7","3","1") = "6"
    & skf18("7","6","4","3","7","4","1") = "6"
    & skf18("7","6","4","3","7","5","1") = "6"
    & skf18("7","6","4","3","7","6","1") = "6"
    & skf18("7","6","4","3","7","7","1") = "6"
    & skf18("7","6","4","3","7","8","1") = "7"
    & skf18("7","6","4","3","7","9","1") = "8"
    & skf18("7","6","4","3","7","10","1") = "9"
    & skf18("7","6","4","3","8","1","1") = "7"
    & skf18("7","6","4","3","8","2","1") = "7"
    & skf18("7","6","4","3","8","3","1") = "7"
    & skf18("7","6","4","3","8","4","1") = "7"
    & skf18("7","6","4","3","8","5","1") = "7"
    & skf18("7","6","4","3","8","6","1") = "7"
    & skf18("7","6","4","3","8","7","1") = "7"
    & skf18("7","6","4","3","8","8","1") = "7"
    & skf18("7","6","4","3","8","9","1") = "8"
    & skf18("7","6","4","3","8","10","1") = "9"
    & skf18("7","6","4","3","9","1","1") = "8"
    & skf18("7","6","4","3","9","2","1") = "8"
    & skf18("7","6","4","3","9","3","1") = "8"
    & skf18("7","6","4","3","9","4","1") = "8"
    & skf18("7","6","4","3","9","5","1") = "8"
    & skf18("7","6","4","3","9","6","1") = "8"
    & skf18("7","6","4","3","9","7","1") = "8"
    & skf18("7","6","4","3","9","8","1") = "8"
    & skf18("7","6","4","3","9","9","1") = "8"
    & skf18("7","6","4","3","9","10","1") = "9"
    & skf18("7","6","4","3","10","1","1") = "9"
    & skf18("7","6","4","3","10","2","1") = "9"
    & skf18("7","6","4","3","10","3","1") = "9"
    & skf18("7","6","4","3","10","4","1") = "9"
    & skf18("7","6","4","3","10","5","1") = "9"
    & skf18("7","6","4","3","10","6","1") = "9"
    & skf18("7","6","4","3","10","7","1") = "9"
    & skf18("7","6","4","3","10","8","1") = "9"
    & skf18("7","6","4","3","10","9","1") = "9"
    & skf18("7","6","4","3","10","10","1") = "9"
    & skf18("7","6","4","4","1","1","1") = "6"
    & skf18("7","6","4","4","1","2","1") = "6"
    & skf18("7","6","4","4","1","3","1") = "6"
    & skf18("7","6","4","4","1","4","1") = "6"
    & skf18("7","6","4","4","1","5","1") = "6"
    & skf18("7","6","4","4","1","6","1") = "6"
    & skf18("7","6","4","4","1","7","1") = "6"
    & skf18("7","6","4","4","1","8","1") = "7"
    & skf18("7","6","4","4","1","9","1") = "8"
    & skf18("7","6","4","4","1","10","1") = "9"
    & skf18("7","6","4","4","2","1","1") = "6"
    & skf18("7","6","4","4","2","2","1") = "6"
    & skf18("7","6","4","4","2","3","1") = "6"
    & skf18("7","6","4","4","2","4","1") = "6"
    & skf18("7","6","4","4","2","5","1") = "6"
    & skf18("7","6","4","4","2","6","1") = "6"
    & skf18("7","6","4","4","2","7","1") = "6"
    & skf18("7","6","4","4","2","8","1") = "7"
    & skf18("7","6","4","4","2","9","1") = "8"
    & skf18("7","6","4","4","2","10","1") = "9"
    & skf18("7","6","4","4","3","1","1") = "6"
    & skf18("7","6","4","4","3","2","1") = "6"
    & skf18("7","6","4","4","3","3","1") = "6"
    & skf18("7","6","4","4","3","4","1") = "6"
    & skf18("7","6","4","4","3","5","1") = "6"
    & skf18("7","6","4","4","3","6","1") = "6"
    & skf18("7","6","4","4","3","7","1") = "6"
    & skf18("7","6","4","4","3","8","1") = "7"
    & skf18("7","6","4","4","3","9","1") = "8"
    & skf18("7","6","4","4","3","10","1") = "9"
    & skf18("7","6","4","4","4","1","1") = "6"
    & skf18("7","6","4","4","4","2","1") = "6"
    & skf18("7","6","4","4","4","3","1") = "6"
    & skf18("7","6","4","4","4","4","1") = "6"
    & skf18("7","6","4","4","4","5","1") = "6"
    & skf18("7","6","4","4","4","6","1") = "6"
    & skf18("7","6","4","4","4","7","1") = "6"
    & skf18("7","6","4","4","4","8","1") = "7"
    & skf18("7","6","4","4","4","9","1") = "8"
    & skf18("7","6","4","4","4","10","1") = "9"
    & skf18("7","6","4","4","5","1","1") = "6"
    & skf18("7","6","4","4","5","2","1") = "6"
    & skf18("7","6","4","4","5","3","1") = "6"
    & skf18("7","6","4","4","5","4","1") = "6"
    & skf18("7","6","4","4","5","5","1") = "6"
    & skf18("7","6","4","4","5","6","1") = "6"
    & skf18("7","6","4","4","5","7","1") = "6"
    & skf18("7","6","4","4","5","8","1") = "7"
    & skf18("7","6","4","4","5","9","1") = "8"
    & skf18("7","6","4","4","5","10","1") = "9"
    & skf18("7","6","4","4","6","1","1") = "6"
    & skf18("7","6","4","4","6","2","1") = "6"
    & skf18("7","6","4","4","6","3","1") = "6"
    & skf18("7","6","4","4","6","4","1") = "6"
    & skf18("7","6","4","4","6","5","1") = "6"
    & skf18("7","6","4","4","6","6","1") = "6"
    & skf18("7","6","4","4","6","7","1") = "6"
    & skf18("7","6","4","4","6","8","1") = "7"
    & skf18("7","6","4","4","6","9","1") = "8"
    & skf18("7","6","4","4","6","10","1") = "9"
    & skf18("7","6","4","4","7","1","1") = "6"
    & skf18("7","6","4","4","7","2","1") = "6"
    & skf18("7","6","4","4","7","3","1") = "6"
    & skf18("7","6","4","4","7","4","1") = "6"
    & skf18("7","6","4","4","7","5","1") = "6"
    & skf18("7","6","4","4","7","6","1") = "6"
    & skf18("7","6","4","4","7","7","1") = "6"
    & skf18("7","6","4","4","7","8","1") = "7"
    & skf18("7","6","4","4","7","9","1") = "8"
    & skf18("7","6","4","4","7","10","1") = "9"
    & skf18("7","6","4","4","8","1","1") = "7"
    & skf18("7","6","4","4","8","2","1") = "7"
    & skf18("7","6","4","4","8","3","1") = "7"
    & skf18("7","6","4","4","8","4","1") = "7"
    & skf18("7","6","4","4","8","5","1") = "7"
    & skf18("7","6","4","4","8","6","1") = "7"
    & skf18("7","6","4","4","8","7","1") = "7"
    & skf18("7","6","4","4","8","8","1") = "7"
    & skf18("7","6","4","4","8","9","1") = "8"
    & skf18("7","6","4","4","8","10","1") = "9"
    & skf18("7","6","4","4","9","1","1") = "8"
    & skf18("7","6","4","4","9","2","1") = "8"
    & skf18("7","6","4","4","9","3","1") = "8"
    & skf18("7","6","4","4","9","4","1") = "8"
    & skf18("7","6","4","4","9","5","1") = "8"
    & skf18("7","6","4","4","9","6","1") = "8"
    & skf18("7","6","4","4","9","7","1") = "8"
    & skf18("7","6","4","4","9","8","1") = "8"
    & skf18("7","6","4","4","9","9","1") = "8"
    & skf18("7","6","4","4","9","10","1") = "9"
    & skf18("7","6","4","4","10","1","1") = "9"
    & skf18("7","6","4","4","10","2","1") = "9"
    & skf18("7","6","4","4","10","3","1") = "9"
    & skf18("7","6","4","4","10","4","1") = "9"
    & skf18("7","6","4","4","10","5","1") = "9"
    & skf18("7","6","4","4","10","6","1") = "9"
    & skf18("7","6","4","4","10","7","1") = "9"
    & skf18("7","6","4","4","10","8","1") = "9"
    & skf18("7","6","4","4","10","9","1") = "9"
    & skf18("7","6","4","4","10","10","1") = "9"
    & skf18("7","6","4","5","1","1","1") = "6"
    & skf18("7","6","4","5","1","2","1") = "6"
    & skf18("7","6","4","5","1","3","1") = "6"
    & skf18("7","6","4","5","1","4","1") = "6"
    & skf18("7","6","4","5","1","5","1") = "6"
    & skf18("7","6","4","5","1","6","1") = "6"
    & skf18("7","6","4","5","1","7","1") = "6"
    & skf18("7","6","4","5","1","8","1") = "7"
    & skf18("7","6","4","5","1","9","1") = "8"
    & skf18("7","6","4","5","1","10","1") = "9"
    & skf18("7","6","4","5","2","1","1") = "6"
    & skf18("7","6","4","5","2","2","1") = "6"
    & skf18("7","6","4","5","2","3","1") = "6"
    & skf18("7","6","4","5","2","4","1") = "6"
    & skf18("7","6","4","5","2","5","1") = "6"
    & skf18("7","6","4","5","2","6","1") = "6"
    & skf18("7","6","4","5","2","7","1") = "6"
    & skf18("7","6","4","5","2","8","1") = "7"
    & skf18("7","6","4","5","2","9","1") = "8"
    & skf18("7","6","4","5","2","10","1") = "9"
    & skf18("7","6","4","5","3","1","1") = "6"
    & skf18("7","6","4","5","3","2","1") = "6"
    & skf18("7","6","4","5","3","3","1") = "6"
    & skf18("7","6","4","5","3","4","1") = "6"
    & skf18("7","6","4","5","3","5","1") = "6"
    & skf18("7","6","4","5","3","6","1") = "6"
    & skf18("7","6","4","5","3","7","1") = "6"
    & skf18("7","6","4","5","3","8","1") = "7"
    & skf18("7","6","4","5","3","9","1") = "8"
    & skf18("7","6","4","5","3","10","1") = "9"
    & skf18("7","6","4","5","4","1","1") = "6"
    & skf18("7","6","4","5","4","2","1") = "6"
    & skf18("7","6","4","5","4","3","1") = "6"
    & skf18("7","6","4","5","4","4","1") = "6"
    & skf18("7","6","4","5","4","5","1") = "6"
    & skf18("7","6","4","5","4","6","1") = "6"
    & skf18("7","6","4","5","4","7","1") = "6"
    & skf18("7","6","4","5","4","8","1") = "7"
    & skf18("7","6","4","5","4","9","1") = "8"
    & skf18("7","6","4","5","4","10","1") = "9"
    & skf18("7","6","4","5","5","1","1") = "6"
    & skf18("7","6","4","5","5","2","1") = "6"
    & skf18("7","6","4","5","5","3","1") = "6"
    & skf18("7","6","4","5","5","4","1") = "6"
    & skf18("7","6","4","5","5","5","1") = "6"
    & skf18("7","6","4","5","5","6","1") = "6"
    & skf18("7","6","4","5","5","7","1") = "6"
    & skf18("7","6","4","5","5","8","1") = "7"
    & skf18("7","6","4","5","5","9","1") = "8"
    & skf18("7","6","4","5","5","10","1") = "9"
    & skf18("7","6","4","5","6","1","1") = "6"
    & skf18("7","6","4","5","6","2","1") = "6"
    & skf18("7","6","4","5","6","3","1") = "6"
    & skf18("7","6","4","5","6","4","1") = "6"
    & skf18("7","6","4","5","6","5","1") = "6"
    & skf18("7","6","4","5","6","6","1") = "6"
    & skf18("7","6","4","5","6","7","1") = "6"
    & skf18("7","6","4","5","6","8","1") = "7"
    & skf18("7","6","4","5","6","9","1") = "8"
    & skf18("7","6","4","5","6","10","1") = "9"
    & skf18("7","6","4","5","7","1","1") = "6"
    & skf18("7","6","4","5","7","2","1") = "6"
    & skf18("7","6","4","5","7","3","1") = "6"
    & skf18("7","6","4","5","7","4","1") = "6"
    & skf18("7","6","4","5","7","5","1") = "6"
    & skf18("7","6","4","5","7","6","1") = "6"
    & skf18("7","6","4","5","7","7","1") = "6"
    & skf18("7","6","4","5","7","8","1") = "7"
    & skf18("7","6","4","5","7","9","1") = "8"
    & skf18("7","6","4","5","7","10","1") = "9"
    & skf18("7","6","4","5","8","1","1") = "7"
    & skf18("7","6","4","5","8","2","1") = "7"
    & skf18("7","6","4","5","8","3","1") = "7"
    & skf18("7","6","4","5","8","4","1") = "7"
    & skf18("7","6","4","5","8","5","1") = "7"
    & skf18("7","6","4","5","8","6","1") = "7"
    & skf18("7","6","4","5","8","7","1") = "7"
    & skf18("7","6","4","5","8","8","1") = "7"
    & skf18("7","6","4","5","8","9","1") = "8"
    & skf18("7","6","4","5","8","10","1") = "9"
    & skf18("7","6","4","5","9","1","1") = "8"
    & skf18("7","6","4","5","9","2","1") = "8"
    & skf18("7","6","4","5","9","3","1") = "8"
    & skf18("7","6","4","5","9","4","1") = "8"
    & skf18("7","6","4","5","9","5","1") = "8"
    & skf18("7","6","4","5","9","6","1") = "8"
    & skf18("7","6","4","5","9","7","1") = "8"
    & skf18("7","6","4","5","9","8","1") = "8"
    & skf18("7","6","4","5","9","9","1") = "8"
    & skf18("7","6","4","5","9","10","1") = "9"
    & skf18("7","6","4","5","10","1","1") = "9"
    & skf18("7","6","4","5","10","2","1") = "9"
    & skf18("7","6","4","5","10","3","1") = "9"
    & skf18("7","6","4","5","10","4","1") = "9"
    & skf18("7","6","4","5","10","5","1") = "9"
    & skf18("7","6","4","5","10","6","1") = "9"
    & skf18("7","6","4","5","10","7","1") = "9"
    & skf18("7","6","4","5","10","8","1") = "9"
    & skf18("7","6","4","5","10","9","1") = "9"
    & skf18("7","6","4","5","10","10","1") = "9"
    & skf18("7","6","4","6","1","1","1") = "6"
    & skf18("7","6","4","6","1","2","1") = "6"
    & skf18("7","6","4","6","1","3","1") = "6"
    & skf18("7","6","4","6","1","4","1") = "6"
    & skf18("7","6","4","6","1","5","1") = "6"
    & skf18("7","6","4","6","1","6","1") = "6"
    & skf18("7","6","4","6","1","7","1") = "6"
    & skf18("7","6","4","6","1","8","1") = "7"
    & skf18("7","6","4","6","1","9","1") = "8"
    & skf18("7","6","4","6","1","10","1") = "9"
    & skf18("7","6","4","6","2","1","1") = "6"
    & skf18("7","6","4","6","2","2","1") = "6"
    & skf18("7","6","4","6","2","3","1") = "6"
    & skf18("7","6","4","6","2","4","1") = "6"
    & skf18("7","6","4","6","2","5","1") = "6"
    & skf18("7","6","4","6","2","6","1") = "6"
    & skf18("7","6","4","6","2","7","1") = "6"
    & skf18("7","6","4","6","2","8","1") = "7"
    & skf18("7","6","4","6","2","9","1") = "8"
    & skf18("7","6","4","6","2","10","1") = "9"
    & skf18("7","6","4","6","3","1","1") = "6"
    & skf18("7","6","4","6","3","2","1") = "6"
    & skf18("7","6","4","6","3","3","1") = "6"
    & skf18("7","6","4","6","3","4","1") = "6"
    & skf18("7","6","4","6","3","5","1") = "6"
    & skf18("7","6","4","6","3","6","1") = "6"
    & skf18("7","6","4","6","3","7","1") = "6"
    & skf18("7","6","4","6","3","8","1") = "7"
    & skf18("7","6","4","6","3","9","1") = "8"
    & skf18("7","6","4","6","3","10","1") = "9"
    & skf18("7","6","4","6","4","1","1") = "6"
    & skf18("7","6","4","6","4","2","1") = "6"
    & skf18("7","6","4","6","4","3","1") = "6"
    & skf18("7","6","4","6","4","4","1") = "6"
    & skf18("7","6","4","6","4","5","1") = "6"
    & skf18("7","6","4","6","4","6","1") = "6"
    & skf18("7","6","4","6","4","7","1") = "6"
    & skf18("7","6","4","6","4","8","1") = "7"
    & skf18("7","6","4","6","4","9","1") = "8"
    & skf18("7","6","4","6","4","10","1") = "9"
    & skf18("7","6","4","6","5","1","1") = "6"
    & skf18("7","6","4","6","5","2","1") = "6"
    & skf18("7","6","4","6","5","3","1") = "6"
    & skf18("7","6","4","6","5","4","1") = "6"
    & skf18("7","6","4","6","5","5","1") = "6"
    & skf18("7","6","4","6","5","6","1") = "6"
    & skf18("7","6","4","6","5","7","1") = "6"
    & skf18("7","6","4","6","5","8","1") = "7"
    & skf18("7","6","4","6","5","9","1") = "8"
    & skf18("7","6","4","6","5","10","1") = "9"
    & skf18("7","6","4","6","6","1","1") = "6"
    & skf18("7","6","4","6","6","2","1") = "6"
    & skf18("7","6","4","6","6","3","1") = "6"
    & skf18("7","6","4","6","6","4","1") = "6"
    & skf18("7","6","4","6","6","5","1") = "6"
    & skf18("7","6","4","6","6","6","1") = "6"
    & skf18("7","6","4","6","6","7","1") = "6"
    & skf18("7","6","4","6","6","8","1") = "7"
    & skf18("7","6","4","6","6","9","1") = "8"
    & skf18("7","6","4","6","6","10","1") = "9"
    & skf18("7","6","4","6","7","1","1") = "6"
    & skf18("7","6","4","6","7","2","1") = "6"
    & skf18("7","6","4","6","7","3","1") = "6"
    & skf18("7","6","4","6","7","4","1") = "6"
    & skf18("7","6","4","6","7","5","1") = "6"
    & skf18("7","6","4","6","7","6","1") = "6"
    & skf18("7","6","4","6","7","7","1") = "6"
    & skf18("7","6","4","6","7","8","1") = "7"
    & skf18("7","6","4","6","7","9","1") = "8"
    & skf18("7","6","4","6","7","10","1") = "9"
    & skf18("7","6","4","6","8","1","1") = "7"
    & skf18("7","6","4","6","8","2","1") = "7"
    & skf18("7","6","4","6","8","3","1") = "7"
    & skf18("7","6","4","6","8","4","1") = "7"
    & skf18("7","6","4","6","8","5","1") = "7"
    & skf18("7","6","4","6","8","6","1") = "7"
    & skf18("7","6","4","6","8","7","1") = "7"
    & skf18("7","6","4","6","8","8","1") = "7"
    & skf18("7","6","4","6","8","9","1") = "8"
    & skf18("7","6","4","6","8","10","1") = "9"
    & skf18("7","6","4","6","9","1","1") = "8"
    & skf18("7","6","4","6","9","2","1") = "8"
    & skf18("7","6","4","6","9","3","1") = "8"
    & skf18("7","6","4","6","9","4","1") = "8"
    & skf18("7","6","4","6","9","5","1") = "8"
    & skf18("7","6","4","6","9","6","1") = "8"
    & skf18("7","6","4","6","9","7","1") = "8"
    & skf18("7","6","4","6","9","8","1") = "8"
    & skf18("7","6","4","6","9","9","1") = "8"
    & skf18("7","6","4","6","9","10","1") = "9"
    & skf18("7","6","4","6","10","1","1") = "9"
    & skf18("7","6","4","6","10","2","1") = "9"
    & skf18("7","6","4","6","10","3","1") = "9"
    & skf18("7","6","4","6","10","4","1") = "9"
    & skf18("7","6","4","6","10","5","1") = "9"
    & skf18("7","6","4","6","10","6","1") = "9"
    & skf18("7","6","4","6","10","7","1") = "9"
    & skf18("7","6","4","6","10","8","1") = "9"
    & skf18("7","6","4","6","10","9","1") = "9"
    & skf18("7","6","4","6","10","10","1") = "9"
    & skf18("7","6","4","7","1","1","1") = "6"
    & skf18("7","6","4","7","1","2","1") = "6"
    & skf18("7","6","4","7","1","3","1") = "6"
    & skf18("7","6","4","7","1","4","1") = "6"
    & skf18("7","6","4","7","1","5","1") = "6"
    & skf18("7","6","4","7","1","6","1") = "6"
    & skf18("7","6","4","7","1","7","1") = "6"
    & skf18("7","6","4","7","1","8","1") = "7"
    & skf18("7","6","4","7","1","9","1") = "8"
    & skf18("7","6","4","7","1","10","1") = "9"
    & skf18("7","6","4","7","2","1","1") = "6"
    & skf18("7","6","4","7","2","2","1") = "6"
    & skf18("7","6","4","7","2","3","1") = "6"
    & skf18("7","6","4","7","2","4","1") = "6"
    & skf18("7","6","4","7","2","5","1") = "6"
    & skf18("7","6","4","7","2","6","1") = "6"
    & skf18("7","6","4","7","2","7","1") = "6"
    & skf18("7","6","4","7","2","8","1") = "7"
    & skf18("7","6","4","7","2","9","1") = "8"
    & skf18("7","6","4","7","2","10","1") = "9"
    & skf18("7","6","4","7","3","1","1") = "6"
    & skf18("7","6","4","7","3","2","1") = "6"
    & skf18("7","6","4","7","3","3","1") = "6"
    & skf18("7","6","4","7","3","4","1") = "6"
    & skf18("7","6","4","7","3","5","1") = "6"
    & skf18("7","6","4","7","3","6","1") = "6"
    & skf18("7","6","4","7","3","7","1") = "6"
    & skf18("7","6","4","7","3","8","1") = "7"
    & skf18("7","6","4","7","3","9","1") = "8"
    & skf18("7","6","4","7","3","10","1") = "9"
    & skf18("7","6","4","7","4","1","1") = "6"
    & skf18("7","6","4","7","4","2","1") = "6"
    & skf18("7","6","4","7","4","3","1") = "6"
    & skf18("7","6","4","7","4","4","1") = "6"
    & skf18("7","6","4","7","4","5","1") = "6"
    & skf18("7","6","4","7","4","6","1") = "6"
    & skf18("7","6","4","7","4","7","1") = "6"
    & skf18("7","6","4","7","4","8","1") = "7"
    & skf18("7","6","4","7","4","9","1") = "8"
    & skf18("7","6","4","7","4","10","1") = "9"
    & skf18("7","6","4","7","5","1","1") = "6"
    & skf18("7","6","4","7","5","2","1") = "6"
    & skf18("7","6","4","7","5","3","1") = "6"
    & skf18("7","6","4","7","5","4","1") = "6"
    & skf18("7","6","4","7","5","5","1") = "6"
    & skf18("7","6","4","7","5","6","1") = "6"
    & skf18("7","6","4","7","5","7","1") = "6"
    & skf18("7","6","4","7","5","8","1") = "7"
    & skf18("7","6","4","7","5","9","1") = "8"
    & skf18("7","6","4","7","5","10","1") = "9"
    & skf18("7","6","4","7","6","1","1") = "6"
    & skf18("7","6","4","7","6","2","1") = "6"
    & skf18("7","6","4","7","6","3","1") = "6"
    & skf18("7","6","4","7","6","4","1") = "6"
    & skf18("7","6","4","7","6","5","1") = "6"
    & skf18("7","6","4","7","6","6","1") = "6"
    & skf18("7","6","4","7","6","7","1") = "6"
    & skf18("7","6","4","7","6","8","1") = "7"
    & skf18("7","6","4","7","6","9","1") = "8"
    & skf18("7","6","4","7","6","10","1") = "9"
    & skf18("7","6","4","7","7","1","1") = "6"
    & skf18("7","6","4","7","7","2","1") = "6"
    & skf18("7","6","4","7","7","3","1") = "6"
    & skf18("7","6","4","7","7","4","1") = "6"
    & skf18("7","6","4","7","7","5","1") = "6"
    & skf18("7","6","4","7","7","6","1") = "6"
    & skf18("7","6","4","7","7","7","1") = "6"
    & skf18("7","6","4","7","7","8","1") = "7"
    & skf18("7","6","4","7","7","9","1") = "8"
    & skf18("7","6","4","7","7","10","1") = "9"
    & skf18("7","6","4","7","8","1","1") = "7"
    & skf18("7","6","4","7","8","2","1") = "7"
    & skf18("7","6","4","7","8","3","1") = "7"
    & skf18("7","6","4","7","8","4","1") = "7"
    & skf18("7","6","4","7","8","5","1") = "7"
    & skf18("7","6","4","7","8","6","1") = "7"
    & skf18("7","6","4","7","8","7","1") = "7"
    & skf18("7","6","4","7","8","8","1") = "7"
    & skf18("7","6","4","7","8","9","1") = "8"
    & skf18("7","6","4","7","8","10","1") = "9"
    & skf18("7","6","4","7","9","1","1") = "8"
    & skf18("7","6","4","7","9","2","1") = "8"
    & skf18("7","6","4","7","9","3","1") = "8"
    & skf18("7","6","4","7","9","4","1") = "8"
    & skf18("7","6","4","7","9","5","1") = "8"
    & skf18("7","6","4","7","9","6","1") = "8"
    & skf18("7","6","4","7","9","7","1") = "8"
    & skf18("7","6","4","7","9","8","1") = "8"
    & skf18("7","6","4","7","9","9","1") = "8"
    & skf18("7","6","4","7","9","10","1") = "9"
    & skf18("7","6","4","7","10","1","1") = "9"
    & skf18("7","6","4","7","10","2","1") = "9"
    & skf18("7","6","4","7","10","3","1") = "9"
    & skf18("7","6","4","7","10","4","1") = "9"
    & skf18("7","6","4","7","10","5","1") = "9"
    & skf18("7","6","4","7","10","6","1") = "9"
    & skf18("7","6","4","7","10","7","1") = "9"
    & skf18("7","6","4","7","10","8","1") = "9"
    & skf18("7","6","4","7","10","9","1") = "9"
    & skf18("7","6","4","7","10","10","1") = "9"
    & skf18("7","6","4","8","1","1","1") = "7"
    & skf18("7","6","4","8","1","2","1") = "7"
    & skf18("7","6","4","8","1","3","1") = "7"
    & skf18("7","6","4","8","1","4","1") = "7"
    & skf18("7","6","4","8","1","5","1") = "7"
    & skf18("7","6","4","8","1","6","1") = "7"
    & skf18("7","6","4","8","1","7","1") = "7"
    & skf18("7","6","4","8","1","8","1") = "7"
    & skf18("7","6","4","8","1","9","1") = "8"
    & skf18("7","6","4","8","1","10","1") = "9"
    & skf18("7","6","4","8","2","1","1") = "7"
    & skf18("7","6","4","8","2","2","1") = "7"
    & skf18("7","6","4","8","2","3","1") = "7"
    & skf18("7","6","4","8","2","4","1") = "7"
    & skf18("7","6","4","8","2","5","1") = "7"
    & skf18("7","6","4","8","2","6","1") = "7"
    & skf18("7","6","4","8","2","7","1") = "7"
    & skf18("7","6","4","8","2","8","1") = "7"
    & skf18("7","6","4","8","2","9","1") = "8"
    & skf18("7","6","4","8","2","10","1") = "9"
    & skf18("7","6","4","8","3","1","1") = "7"
    & skf18("7","6","4","8","3","2","1") = "7"
    & skf18("7","6","4","8","3","3","1") = "7"
    & skf18("7","6","4","8","3","4","1") = "7"
    & skf18("7","6","4","8","3","5","1") = "7"
    & skf18("7","6","4","8","3","6","1") = "7"
    & skf18("7","6","4","8","3","7","1") = "7"
    & skf18("7","6","4","8","3","8","1") = "7"
    & skf18("7","6","4","8","3","9","1") = "8"
    & skf18("7","6","4","8","3","10","1") = "9"
    & skf18("7","6","4","8","4","1","1") = "7"
    & skf18("7","6","4","8","4","2","1") = "7"
    & skf18("7","6","4","8","4","3","1") = "7"
    & skf18("7","6","4","8","4","4","1") = "7"
    & skf18("7","6","4","8","4","5","1") = "7"
    & skf18("7","6","4","8","4","6","1") = "7"
    & skf18("7","6","4","8","4","7","1") = "7"
    & skf18("7","6","4","8","4","8","1") = "7"
    & skf18("7","6","4","8","4","9","1") = "8"
    & skf18("7","6","4","8","4","10","1") = "9"
    & skf18("7","6","4","8","5","1","1") = "7"
    & skf18("7","6","4","8","5","2","1") = "7"
    & skf18("7","6","4","8","5","3","1") = "7"
    & skf18("7","6","4","8","5","4","1") = "7"
    & skf18("7","6","4","8","5","5","1") = "7"
    & skf18("7","6","4","8","5","6","1") = "7"
    & skf18("7","6","4","8","5","7","1") = "7"
    & skf18("7","6","4","8","5","8","1") = "7"
    & skf18("7","6","4","8","5","9","1") = "8"
    & skf18("7","6","4","8","5","10","1") = "9"
    & skf18("7","6","4","8","6","1","1") = "7"
    & skf18("7","6","4","8","6","2","1") = "7"
    & skf18("7","6","4","8","6","3","1") = "7"
    & skf18("7","6","4","8","6","4","1") = "7"
    & skf18("7","6","4","8","6","5","1") = "7"
    & skf18("7","6","4","8","6","6","1") = "7"
    & skf18("7","6","4","8","6","7","1") = "7"
    & skf18("7","6","4","8","6","8","1") = "7"
    & skf18("7","6","4","8","6","9","1") = "8"
    & skf18("7","6","4","8","6","10","1") = "9"
    & skf18("7","6","4","8","7","1","1") = "7"
    & skf18("7","6","4","8","7","2","1") = "7"
    & skf18("7","6","4","8","7","3","1") = "7"
    & skf18("7","6","4","8","7","4","1") = "7"
    & skf18("7","6","4","8","7","5","1") = "7"
    & skf18("7","6","4","8","7","6","1") = "7"
    & skf18("7","6","4","8","7","7","1") = "7"
    & skf18("7","6","4","8","7","8","1") = "7"
    & skf18("7","6","4","8","7","9","1") = "8"
    & skf18("7","6","4","8","7","10","1") = "9"
    & skf18("7","6","4","8","8","1","1") = "7"
    & skf18("7","6","4","8","8","2","1") = "7"
    & skf18("7","6","4","8","8","3","1") = "7"
    & skf18("7","6","4","8","8","4","1") = "7"
    & skf18("7","6","4","8","8","5","1") = "7"
    & skf18("7","6","4","8","8","6","1") = "7"
    & skf18("7","6","4","8","8","7","1") = "7"
    & skf18("7","6","4","8","8","8","1") = "7"
    & skf18("7","6","4","8","8","9","1") = "8"
    & skf18("7","6","4","8","8","10","1") = "9"
    & skf18("7","6","4","8","9","1","1") = "8"
    & skf18("7","6","4","8","9","2","1") = "8"
    & skf18("7","6","4","8","9","3","1") = "8"
    & skf18("7","6","4","8","9","4","1") = "8"
    & skf18("7","6","4","8","9","5","1") = "8"
    & skf18("7","6","4","8","9","6","1") = "8"
    & skf18("7","6","4","8","9","7","1") = "8"
    & skf18("7","6","4","8","9","8","1") = "8"
    & skf18("7","6","4","8","9","9","1") = "8"
    & skf18("7","6","4","8","9","10","1") = "9"
    & skf18("7","6","4","8","10","1","1") = "9"
    & skf18("7","6","4","8","10","2","1") = "9"
    & skf18("7","6","4","8","10","3","1") = "9"
    & skf18("7","6","4","8","10","4","1") = "9"
    & skf18("7","6","4","8","10","5","1") = "9"
    & skf18("7","6","4","8","10","6","1") = "9"
    & skf18("7","6","4","8","10","7","1") = "9"
    & skf18("7","6","4","8","10","8","1") = "9"
    & skf18("7","6","4","8","10","9","1") = "9"
    & skf18("7","6","4","8","10","10","1") = "9"
    & skf18("7","6","4","9","1","1","1") = "8"
    & skf18("7","6","4","9","1","2","1") = "8"
    & skf18("7","6","4","9","1","3","1") = "8"
    & skf18("7","6","4","9","1","4","1") = "8"
    & skf18("7","6","4","9","1","5","1") = "8"
    & skf18("7","6","4","9","1","6","1") = "8"
    & skf18("7","6","4","9","1","7","1") = "8"
    & skf18("7","6","4","9","1","8","1") = "8"
    & skf18("7","6","4","9","1","9","1") = "8"
    & skf18("7","6","4","9","1","10","1") = "9"
    & skf18("7","6","4","9","2","1","1") = "8"
    & skf18("7","6","4","9","2","2","1") = "8"
    & skf18("7","6","4","9","2","3","1") = "8"
    & skf18("7","6","4","9","2","4","1") = "8"
    & skf18("7","6","4","9","2","5","1") = "8"
    & skf18("7","6","4","9","2","6","1") = "8"
    & skf18("7","6","4","9","2","7","1") = "8"
    & skf18("7","6","4","9","2","8","1") = "8"
    & skf18("7","6","4","9","2","9","1") = "8"
    & skf18("7","6","4","9","2","10","1") = "9"
    & skf18("7","6","4","9","3","1","1") = "8"
    & skf18("7","6","4","9","3","2","1") = "8"
    & skf18("7","6","4","9","3","3","1") = "8"
    & skf18("7","6","4","9","3","4","1") = "8"
    & skf18("7","6","4","9","3","5","1") = "8"
    & skf18("7","6","4","9","3","6","1") = "8"
    & skf18("7","6","4","9","3","7","1") = "8"
    & skf18("7","6","4","9","3","8","1") = "8"
    & skf18("7","6","4","9","3","9","1") = "8"
    & skf18("7","6","4","9","3","10","1") = "9"
    & skf18("7","6","4","9","4","1","1") = "8"
    & skf18("7","6","4","9","4","2","1") = "8"
    & skf18("7","6","4","9","4","3","1") = "8"
    & skf18("7","6","4","9","4","4","1") = "8"
    & skf18("7","6","4","9","4","5","1") = "8"
    & skf18("7","6","4","9","4","6","1") = "8"
    & skf18("7","6","4","9","4","7","1") = "8"
    & skf18("7","6","4","9","4","8","1") = "8"
    & skf18("7","6","4","9","4","9","1") = "8"
    & skf18("7","6","4","9","4","10","1") = "9"
    & skf18("7","6","4","9","5","1","1") = "8"
    & skf18("7","6","4","9","5","2","1") = "8"
    & skf18("7","6","4","9","5","3","1") = "8"
    & skf18("7","6","4","9","5","4","1") = "8"
    & skf18("7","6","4","9","5","5","1") = "8"
    & skf18("7","6","4","9","5","6","1") = "8"
    & skf18("7","6","4","9","5","7","1") = "8"
    & skf18("7","6","4","9","5","8","1") = "8"
    & skf18("7","6","4","9","5","9","1") = "8"
    & skf18("7","6","4","9","5","10","1") = "9"
    & skf18("7","6","4","9","6","1","1") = "8"
    & skf18("7","6","4","9","6","2","1") = "8"
    & skf18("7","6","4","9","6","3","1") = "8"
    & skf18("7","6","4","9","6","4","1") = "8"
    & skf18("7","6","4","9","6","5","1") = "8"
    & skf18("7","6","4","9","6","6","1") = "8"
    & skf18("7","6","4","9","6","7","1") = "8"
    & skf18("7","6","4","9","6","8","1") = "8"
    & skf18("7","6","4","9","6","9","1") = "8"
    & skf18("7","6","4","9","6","10","1") = "9"
    & skf18("7","6","4","9","7","1","1") = "8"
    & skf18("7","6","4","9","7","2","1") = "8"
    & skf18("7","6","4","9","7","3","1") = "8"
    & skf18("7","6","4","9","7","4","1") = "8"
    & skf18("7","6","4","9","7","5","1") = "8"
    & skf18("7","6","4","9","7","6","1") = "8"
    & skf18("7","6","4","9","7","7","1") = "8"
    & skf18("7","6","4","9","7","8","1") = "8"
    & skf18("7","6","4","9","7","9","1") = "8"
    & skf18("7","6","4","9","7","10","1") = "9"
    & skf18("7","6","4","9","8","1","1") = "8"
    & skf18("7","6","4","9","8","2","1") = "8"
    & skf18("7","6","4","9","8","3","1") = "8"
    & skf18("7","6","4","9","8","4","1") = "8"
    & skf18("7","6","4","9","8","5","1") = "8"
    & skf18("7","6","4","9","8","6","1") = "8"
    & skf18("7","6","4","9","8","7","1") = "8"
    & skf18("7","6","4","9","8","8","1") = "8"
    & skf18("7","6","4","9","8","9","1") = "8"
    & skf18("7","6","4","9","8","10","1") = "9"
    & skf18("7","6","4","9","9","1","1") = "8"
    & skf18("7","6","4","9","9","2","1") = "8"
    & skf18("7","6","4","9","9","3","1") = "8"
    & skf18("7","6","4","9","9","4","1") = "8"
    & skf18("7","6","4","9","9","5","1") = "8"
    & skf18("7","6","4","9","9","6","1") = "8"
    & skf18("7","6","4","9","9","7","1") = "8"
    & skf18("7","6","4","9","9","8","1") = "8"
    & skf18("7","6","4","9","9","9","1") = "8"
    & skf18("7","6","4","9","9","10","1") = "9"
    & skf18("7","6","4","9","10","1","1") = "9"
    & skf18("7","6","4","9","10","2","1") = "9"
    & skf18("7","6","4","9","10","3","1") = "9"
    & skf18("7","6","4","9","10","4","1") = "9"
    & skf18("7","6","4","9","10","5","1") = "9"
    & skf18("7","6","4","9","10","6","1") = "9"
    & skf18("7","6","4","9","10","7","1") = "9"
    & skf18("7","6","4","9","10","8","1") = "9"
    & skf18("7","6","4","9","10","9","1") = "9"
    & skf18("7","6","4","9","10","10","1") = "9"
    & skf18("7","6","4","10","1","1","1") = "9"
    & skf18("7","6","4","10","1","2","1") = "9"
    & skf18("7","6","4","10","1","3","1") = "9"
    & skf18("7","6","4","10","1","4","1") = "9"
    & skf18("7","6","4","10","1","5","1") = "9"
    & skf18("7","6","4","10","1","6","1") = "9"
    & skf18("7","6","4","10","1","7","1") = "9"
    & skf18("7","6","4","10","1","8","1") = "9"
    & skf18("7","6","4","10","1","9","1") = "9"
    & skf18("7","6","4","10","1","10","1") = "9"
    & skf18("7","6","4","10","2","1","1") = "9"
    & skf18("7","6","4","10","2","2","1") = "9"
    & skf18("7","6","4","10","2","3","1") = "9"
    & skf18("7","6","4","10","2","4","1") = "9"
    & skf18("7","6","4","10","2","5","1") = "9"
    & skf18("7","6","4","10","2","6","1") = "9"
    & skf18("7","6","4","10","2","7","1") = "9"
    & skf18("7","6","4","10","2","8","1") = "9"
    & skf18("7","6","4","10","2","9","1") = "9"
    & skf18("7","6","4","10","2","10","1") = "9"
    & skf18("7","6","4","10","3","1","1") = "9"
    & skf18("7","6","4","10","3","2","1") = "9"
    & skf18("7","6","4","10","3","3","1") = "9"
    & skf18("7","6","4","10","3","4","1") = "9"
    & skf18("7","6","4","10","3","5","1") = "9"
    & skf18("7","6","4","10","3","6","1") = "9"
    & skf18("7","6","4","10","3","7","1") = "9"
    & skf18("7","6","4","10","3","8","1") = "9"
    & skf18("7","6","4","10","3","9","1") = "9"
    & skf18("7","6","4","10","3","10","1") = "9"
    & skf18("7","6","4","10","4","1","1") = "9"
    & skf18("7","6","4","10","4","2","1") = "9"
    & skf18("7","6","4","10","4","3","1") = "9"
    & skf18("7","6","4","10","4","4","1") = "9"
    & skf18("7","6","4","10","4","5","1") = "9"
    & skf18("7","6","4","10","4","6","1") = "9"
    & skf18("7","6","4","10","4","7","1") = "9"
    & skf18("7","6","4","10","4","8","1") = "9"
    & skf18("7","6","4","10","4","9","1") = "9"
    & skf18("7","6","4","10","4","10","1") = "9"
    & skf18("7","6","4","10","5","1","1") = "9"
    & skf18("7","6","4","10","5","2","1") = "9"
    & skf18("7","6","4","10","5","3","1") = "9"
    & skf18("7","6","4","10","5","4","1") = "9"
    & skf18("7","6","4","10","5","5","1") = "9"
    & skf18("7","6","4","10","5","6","1") = "9"
    & skf18("7","6","4","10","5","7","1") = "9"
    & skf18("7","6","4","10","5","8","1") = "9"
    & skf18("7","6","4","10","5","9","1") = "9"
    & skf18("7","6","4","10","5","10","1") = "9"
    & skf18("7","6","4","10","6","1","1") = "9"
    & skf18("7","6","4","10","6","2","1") = "9"
    & skf18("7","6","4","10","6","3","1") = "9"
    & skf18("7","6","4","10","6","4","1") = "9"
    & skf18("7","6","4","10","6","5","1") = "9"
    & skf18("7","6","4","10","6","6","1") = "9"
    & skf18("7","6","4","10","6","7","1") = "9"
    & skf18("7","6","4","10","6","8","1") = "9"
    & skf18("7","6","4","10","6","9","1") = "9"
    & skf18("7","6","4","10","6","10","1") = "9"
    & skf18("7","6","4","10","7","1","1") = "9"
    & skf18("7","6","4","10","7","2","1") = "9"
    & skf18("7","6","4","10","7","3","1") = "9"
    & skf18("7","6","4","10","7","4","1") = "9"
    & skf18("7","6","4","10","7","5","1") = "9"
    & skf18("7","6","4","10","7","6","1") = "9"
    & skf18("7","6","4","10","7","7","1") = "9"
    & skf18("7","6","4","10","7","8","1") = "9"
    & skf18("7","6","4","10","7","9","1") = "9"
    & skf18("7","6","4","10","7","10","1") = "9"
    & skf18("7","6","4","10","8","1","1") = "9"
    & skf18("7","6","4","10","8","2","1") = "9"
    & skf18("7","6","4","10","8","3","1") = "9"
    & skf18("7","6","4","10","8","4","1") = "9"
    & skf18("7","6","4","10","8","5","1") = "9"
    & skf18("7","6","4","10","8","6","1") = "9"
    & skf18("7","6","4","10","8","7","1") = "9"
    & skf18("7","6","4","10","8","8","1") = "9"
    & skf18("7","6","4","10","8","9","1") = "9"
    & skf18("7","6","4","10","8","10","1") = "9"
    & skf18("7","6","4","10","9","1","1") = "9"
    & skf18("7","6","4","10","9","2","1") = "9"
    & skf18("7","6","4","10","9","3","1") = "9"
    & skf18("7","6","4","10","9","4","1") = "9"
    & skf18("7","6","4","10","9","5","1") = "9"
    & skf18("7","6","4","10","9","6","1") = "9"
    & skf18("7","6","4","10","9","7","1") = "9"
    & skf18("7","6","4","10","9","8","1") = "9"
    & skf18("7","6","4","10","9","9","1") = "9"
    & skf18("7","6","4","10","9","10","1") = "9"
    & skf18("7","6","4","10","10","1","1") = "9"
    & skf18("7","6","4","10","10","2","1") = "9"
    & skf18("7","6","4","10","10","3","1") = "9"
    & skf18("7","6","4","10","10","4","1") = "9"
    & skf18("7","6","4","10","10","5","1") = "9"
    & skf18("7","6","4","10","10","6","1") = "9"
    & skf18("7","6","4","10","10","7","1") = "9"
    & skf18("7","6","4","10","10","8","1") = "9"
    & skf18("7","6","4","10","10","9","1") = "9"
    & skf18("7","6","4","10","10","10","1") = "9"
    & skf18("7","6","5","1","1","1","1") = "6"
    & skf18("7","6","5","1","1","2","1") = "6"
    & skf18("7","6","5","1","1","3","1") = "6"
    & skf18("7","6","5","1","1","4","1") = "6"
    & skf18("7","6","5","1","1","5","1") = "6"
    & skf18("7","6","5","1","1","6","1") = "6"
    & skf18("7","6","5","1","1","7","1") = "6"
    & skf18("7","6","5","1","1","8","1") = "7"
    & skf18("7","6","5","1","1","9","1") = "8"
    & skf18("7","6","5","1","1","10","1") = "9"
    & skf18("7","6","5","1","2","1","1") = "6"
    & skf18("7","6","5","1","2","2","1") = "6"
    & skf18("7","6","5","1","2","3","1") = "6"
    & skf18("7","6","5","1","2","4","1") = "6"
    & skf18("7","6","5","1","2","5","1") = "6"
    & skf18("7","6","5","1","2","6","1") = "6"
    & skf18("7","6","5","1","2","7","1") = "6"
    & skf18("7","6","5","1","2","8","1") = "7"
    & skf18("7","6","5","1","2","9","1") = "8"
    & skf18("7","6","5","1","2","10","1") = "9"
    & skf18("7","6","5","1","3","1","1") = "6"
    & skf18("7","6","5","1","3","2","1") = "6"
    & skf18("7","6","5","1","3","3","1") = "6"
    & skf18("7","6","5","1","3","4","1") = "6"
    & skf18("7","6","5","1","3","5","1") = "6"
    & skf18("7","6","5","1","3","6","1") = "6"
    & skf18("7","6","5","1","3","7","1") = "6"
    & skf18("7","6","5","1","3","8","1") = "7"
    & skf18("7","6","5","1","3","9","1") = "8"
    & skf18("7","6","5","1","3","10","1") = "9"
    & skf18("7","6","5","1","4","1","1") = "6"
    & skf18("7","6","5","1","4","2","1") = "6"
    & skf18("7","6","5","1","4","3","1") = "6"
    & skf18("7","6","5","1","4","4","1") = "6"
    & skf18("7","6","5","1","4","5","1") = "6"
    & skf18("7","6","5","1","4","6","1") = "6"
    & skf18("7","6","5","1","4","7","1") = "6"
    & skf18("7","6","5","1","4","8","1") = "7"
    & skf18("7","6","5","1","4","9","1") = "8"
    & skf18("7","6","5","1","4","10","1") = "9"
    & skf18("7","6","5","1","5","1","1") = "6"
    & skf18("7","6","5","1","5","2","1") = "6"
    & skf18("7","6","5","1","5","3","1") = "6"
    & skf18("7","6","5","1","5","4","1") = "6"
    & skf18("7","6","5","1","5","5","1") = "6"
    & skf18("7","6","5","1","5","6","1") = "6"
    & skf18("7","6","5","1","5","7","1") = "6"
    & skf18("7","6","5","1","5","8","1") = "7"
    & skf18("7","6","5","1","5","9","1") = "8"
    & skf18("7","6","5","1","5","10","1") = "9"
    & skf18("7","6","5","1","6","1","1") = "6"
    & skf18("7","6","5","1","6","2","1") = "6"
    & skf18("7","6","5","1","6","3","1") = "6"
    & skf18("7","6","5","1","6","4","1") = "6"
    & skf18("7","6","5","1","6","5","1") = "6"
    & skf18("7","6","5","1","6","6","1") = "6"
    & skf18("7","6","5","1","6","7","1") = "6"
    & skf18("7","6","5","1","6","8","1") = "7"
    & skf18("7","6","5","1","6","9","1") = "8"
    & skf18("7","6","5","1","6","10","1") = "9"
    & skf18("7","6","5","1","7","1","1") = "6"
    & skf18("7","6","5","1","7","2","1") = "6"
    & skf18("7","6","5","1","7","3","1") = "6"
    & skf18("7","6","5","1","7","4","1") = "6"
    & skf18("7","6","5","1","7","5","1") = "6"
    & skf18("7","6","5","1","7","6","1") = "6"
    & skf18("7","6","5","1","7","7","1") = "6"
    & skf18("7","6","5","1","7","8","1") = "7"
    & skf18("7","6","5","1","7","9","1") = "8"
    & skf18("7","6","5","1","7","10","1") = "9"
    & skf18("7","6","5","1","8","1","1") = "7"
    & skf18("7","6","5","1","8","2","1") = "7"
    & skf18("7","6","5","1","8","3","1") = "7"
    & skf18("7","6","5","1","8","4","1") = "7"
    & skf18("7","6","5","1","8","5","1") = "7"
    & skf18("7","6","5","1","8","6","1") = "7"
    & skf18("7","6","5","1","8","7","1") = "7"
    & skf18("7","6","5","1","8","8","1") = "7"
    & skf18("7","6","5","1","8","9","1") = "8"
    & skf18("7","6","5","1","8","10","1") = "9"
    & skf18("7","6","5","1","9","1","1") = "8"
    & skf18("7","6","5","1","9","2","1") = "8"
    & skf18("7","6","5","1","9","3","1") = "8"
    & skf18("7","6","5","1","9","4","1") = "8"
    & skf18("7","6","5","1","9","5","1") = "8"
    & skf18("7","6","5","1","9","6","1") = "8"
    & skf18("7","6","5","1","9","7","1") = "8"
    & skf18("7","6","5","1","9","8","1") = "8"
    & skf18("7","6","5","1","9","9","1") = "8"
    & skf18("7","6","5","1","9","10","1") = "9"
    & skf18("7","6","5","1","10","1","1") = "9"
    & skf18("7","6","5","1","10","2","1") = "9"
    & skf18("7","6","5","1","10","3","1") = "9"
    & skf18("7","6","5","1","10","4","1") = "9"
    & skf18("7","6","5","1","10","5","1") = "9"
    & skf18("7","6","5","1","10","6","1") = "9"
    & skf18("7","6","5","1","10","7","1") = "9"
    & skf18("7","6","5","1","10","8","1") = "9"
    & skf18("7","6","5","1","10","9","1") = "9"
    & skf18("7","6","5","1","10","10","1") = "9"
    & skf18("7","6","5","2","1","1","1") = "6"
    & skf18("7","6","5","2","1","2","1") = "6"
    & skf18("7","6","5","2","1","3","1") = "6"
    & skf18("7","6","5","2","1","4","1") = "6"
    & skf18("7","6","5","2","1","5","1") = "6"
    & skf18("7","6","5","2","1","6","1") = "6"
    & skf18("7","6","5","2","1","7","1") = "6"
    & skf18("7","6","5","2","1","8","1") = "7"
    & skf18("7","6","5","2","1","9","1") = "8"
    & skf18("7","6","5","2","1","10","1") = "9"
    & skf18("7","6","5","2","2","1","1") = "6"
    & skf18("7","6","5","2","2","2","1") = "6"
    & skf18("7","6","5","2","2","3","1") = "6"
    & skf18("7","6","5","2","2","4","1") = "6"
    & skf18("7","6","5","2","2","5","1") = "6"
    & skf18("7","6","5","2","2","6","1") = "6"
    & skf18("7","6","5","2","2","7","1") = "6"
    & skf18("7","6","5","2","2","8","1") = "7"
    & skf18("7","6","5","2","2","9","1") = "8"
    & skf18("7","6","5","2","2","10","1") = "9"
    & skf18("7","6","5","2","3","1","1") = "6"
    & skf18("7","6","5","2","3","2","1") = "6"
    & skf18("7","6","5","2","3","3","1") = "6"
    & skf18("7","6","5","2","3","4","1") = "6"
    & skf18("7","6","5","2","3","5","1") = "6"
    & skf18("7","6","5","2","3","6","1") = "6"
    & skf18("7","6","5","2","3","7","1") = "6"
    & skf18("7","6","5","2","3","8","1") = "7"
    & skf18("7","6","5","2","3","9","1") = "8"
    & skf18("7","6","5","2","3","10","1") = "9"
    & skf18("7","6","5","2","4","1","1") = "6"
    & skf18("7","6","5","2","4","2","1") = "6"
    & skf18("7","6","5","2","4","3","1") = "6"
    & skf18("7","6","5","2","4","4","1") = "6"
    & skf18("7","6","5","2","4","5","1") = "6"
    & skf18("7","6","5","2","4","6","1") = "6"
    & skf18("7","6","5","2","4","7","1") = "6"
    & skf18("7","6","5","2","4","8","1") = "7"
    & skf18("7","6","5","2","4","9","1") = "8"
    & skf18("7","6","5","2","4","10","1") = "9"
    & skf18("7","6","5","2","5","1","1") = "6"
    & skf18("7","6","5","2","5","2","1") = "6"
    & skf18("7","6","5","2","5","3","1") = "6"
    & skf18("7","6","5","2","5","4","1") = "6"
    & skf18("7","6","5","2","5","5","1") = "6"
    & skf18("7","6","5","2","5","6","1") = "6"
    & skf18("7","6","5","2","5","7","1") = "6"
    & skf18("7","6","5","2","5","8","1") = "7"
    & skf18("7","6","5","2","5","9","1") = "8"
    & skf18("7","6","5","2","5","10","1") = "9"
    & skf18("7","6","5","2","6","1","1") = "6"
    & skf18("7","6","5","2","6","2","1") = "6"
    & skf18("7","6","5","2","6","3","1") = "6"
    & skf18("7","6","5","2","6","4","1") = "6"
    & skf18("7","6","5","2","6","5","1") = "6"
    & skf18("7","6","5","2","6","6","1") = "6"
    & skf18("7","6","5","2","6","7","1") = "6"
    & skf18("7","6","5","2","6","8","1") = "7"
    & skf18("7","6","5","2","6","9","1") = "8"
    & skf18("7","6","5","2","6","10","1") = "9"
    & skf18("7","6","5","2","7","1","1") = "6"
    & skf18("7","6","5","2","7","2","1") = "6"
    & skf18("7","6","5","2","7","3","1") = "6"
    & skf18("7","6","5","2","7","4","1") = "6"
    & skf18("7","6","5","2","7","5","1") = "6"
    & skf18("7","6","5","2","7","6","1") = "6"
    & skf18("7","6","5","2","7","7","1") = "6"
    & skf18("7","6","5","2","7","8","1") = "7"
    & skf18("7","6","5","2","7","9","1") = "8"
    & skf18("7","6","5","2","7","10","1") = "9"
    & skf18("7","6","5","2","8","1","1") = "7"
    & skf18("7","6","5","2","8","2","1") = "7"
    & skf18("7","6","5","2","8","3","1") = "7"
    & skf18("7","6","5","2","8","4","1") = "7"
    & skf18("7","6","5","2","8","5","1") = "7"
    & skf18("7","6","5","2","8","6","1") = "7"
    & skf18("7","6","5","2","8","7","1") = "7"
    & skf18("7","6","5","2","8","8","1") = "7"
    & skf18("7","6","5","2","8","9","1") = "8"
    & skf18("7","6","5","2","8","10","1") = "9"
    & skf18("7","6","5","2","9","1","1") = "8"
    & skf18("7","6","5","2","9","2","1") = "8"
    & skf18("7","6","5","2","9","3","1") = "8"
    & skf18("7","6","5","2","9","4","1") = "8"
    & skf18("7","6","5","2","9","5","1") = "8"
    & skf18("7","6","5","2","9","6","1") = "8"
    & skf18("7","6","5","2","9","7","1") = "8"
    & skf18("7","6","5","2","9","8","1") = "8"
    & skf18("7","6","5","2","9","9","1") = "8"
    & skf18("7","6","5","2","9","10","1") = "9"
    & skf18("7","6","5","2","10","1","1") = "9"
    & skf18("7","6","5","2","10","2","1") = "9"
    & skf18("7","6","5","2","10","3","1") = "9"
    & skf18("7","6","5","2","10","4","1") = "9"
    & skf18("7","6","5","2","10","5","1") = "9"
    & skf18("7","6","5","2","10","6","1") = "9"
    & skf18("7","6","5","2","10","7","1") = "9"
    & skf18("7","6","5","2","10","8","1") = "9"
    & skf18("7","6","5","2","10","9","1") = "9"
    & skf18("7","6","5","2","10","10","1") = "9"
    & skf18("7","6","5","3","1","1","1") = "6"
    & skf18("7","6","5","3","1","2","1") = "6"
    & skf18("7","6","5","3","1","3","1") = "6"
    & skf18("7","6","5","3","1","4","1") = "6"
    & skf18("7","6","5","3","1","5","1") = "6"
    & skf18("7","6","5","3","1","6","1") = "6"
    & skf18("7","6","5","3","1","7","1") = "6"
    & skf18("7","6","5","3","1","8","1") = "7"
    & skf18("7","6","5","3","1","9","1") = "8"
    & skf18("7","6","5","3","1","10","1") = "9"
    & skf18("7","6","5","3","2","1","1") = "6"
    & skf18("7","6","5","3","2","2","1") = "6"
    & skf18("7","6","5","3","2","3","1") = "6"
    & skf18("7","6","5","3","2","4","1") = "6"
    & skf18("7","6","5","3","2","5","1") = "6"
    & skf18("7","6","5","3","2","6","1") = "6"
    & skf18("7","6","5","3","2","7","1") = "6"
    & skf18("7","6","5","3","2","8","1") = "7"
    & skf18("7","6","5","3","2","9","1") = "8"
    & skf18("7","6","5","3","2","10","1") = "9"
    & skf18("7","6","5","3","3","1","1") = "6"
    & skf18("7","6","5","3","3","2","1") = "6"
    & skf18("7","6","5","3","3","3","1") = "6"
    & skf18("7","6","5","3","3","4","1") = "6"
    & skf18("7","6","5","3","3","5","1") = "6"
    & skf18("7","6","5","3","3","6","1") = "6"
    & skf18("7","6","5","3","3","7","1") = "6"
    & skf18("7","6","5","3","3","8","1") = "7"
    & skf18("7","6","5","3","3","9","1") = "8"
    & skf18("7","6","5","3","3","10","1") = "9"
    & skf18("7","6","5","3","4","1","1") = "6"
    & skf18("7","6","5","3","4","2","1") = "6"
    & skf18("7","6","5","3","4","3","1") = "6"
    & skf18("7","6","5","3","4","4","1") = "6"
    & skf18("7","6","5","3","4","5","1") = "6"
    & skf18("7","6","5","3","4","6","1") = "6"
    & skf18("7","6","5","3","4","7","1") = "6"
    & skf18("7","6","5","3","4","8","1") = "7"
    & skf18("7","6","5","3","4","9","1") = "8"
    & skf18("7","6","5","3","4","10","1") = "9"
    & skf18("7","6","5","3","5","1","1") = "6"
    & skf18("7","6","5","3","5","2","1") = "6"
    & skf18("7","6","5","3","5","3","1") = "6"
    & skf18("7","6","5","3","5","4","1") = "6"
    & skf18("7","6","5","3","5","5","1") = "6"
    & skf18("7","6","5","3","5","6","1") = "6"
    & skf18("7","6","5","3","5","7","1") = "6"
    & skf18("7","6","5","3","5","8","1") = "7"
    & skf18("7","6","5","3","5","9","1") = "8"
    & skf18("7","6","5","3","5","10","1") = "9"
    & skf18("7","6","5","3","6","1","1") = "6"
    & skf18("7","6","5","3","6","2","1") = "6"
    & skf18("7","6","5","3","6","3","1") = "6"
    & skf18("7","6","5","3","6","4","1") = "6"
    & skf18("7","6","5","3","6","5","1") = "6"
    & skf18("7","6","5","3","6","6","1") = "6"
    & skf18("7","6","5","3","6","7","1") = "6"
    & skf18("7","6","5","3","6","8","1") = "7"
    & skf18("7","6","5","3","6","9","1") = "8"
    & skf18("7","6","5","3","6","10","1") = "9"
    & skf18("7","6","5","3","7","1","1") = "6"
    & skf18("7","6","5","3","7","2","1") = "6"
    & skf18("7","6","5","3","7","3","1") = "6"
    & skf18("7","6","5","3","7","4","1") = "6"
    & skf18("7","6","5","3","7","5","1") = "6"
    & skf18("7","6","5","3","7","6","1") = "6"
    & skf18("7","6","5","3","7","7","1") = "6"
    & skf18("7","6","5","3","7","8","1") = "7"
    & skf18("7","6","5","3","7","9","1") = "8"
    & skf18("7","6","5","3","7","10","1") = "9"
    & skf18("7","6","5","3","8","1","1") = "7"
    & skf18("7","6","5","3","8","2","1") = "7"
    & skf18("7","6","5","3","8","3","1") = "7"
    & skf18("7","6","5","3","8","4","1") = "7"
    & skf18("7","6","5","3","8","5","1") = "7"
    & skf18("7","6","5","3","8","6","1") = "7"
    & skf18("7","6","5","3","8","7","1") = "7"
    & skf18("7","6","5","3","8","8","1") = "7"
    & skf18("7","6","5","3","8","9","1") = "8"
    & skf18("7","6","5","3","8","10","1") = "9"
    & skf18("7","6","5","3","9","1","1") = "8"
    & skf18("7","6","5","3","9","2","1") = "8"
    & skf18("7","6","5","3","9","3","1") = "8"
    & skf18("7","6","5","3","9","4","1") = "8"
    & skf18("7","6","5","3","9","5","1") = "8"
    & skf18("7","6","5","3","9","6","1") = "8"
    & skf18("7","6","5","3","9","7","1") = "8"
    & skf18("7","6","5","3","9","8","1") = "8"
    & skf18("7","6","5","3","9","9","1") = "8"
    & skf18("7","6","5","3","9","10","1") = "9"
    & skf18("7","6","5","3","10","1","1") = "9"
    & skf18("7","6","5","3","10","2","1") = "9"
    & skf18("7","6","5","3","10","3","1") = "9"
    & skf18("7","6","5","3","10","4","1") = "9"
    & skf18("7","6","5","3","10","5","1") = "9"
    & skf18("7","6","5","3","10","6","1") = "9"
    & skf18("7","6","5","3","10","7","1") = "9"
    & skf18("7","6","5","3","10","8","1") = "9"
    & skf18("7","6","5","3","10","9","1") = "9"
    & skf18("7","6","5","3","10","10","1") = "9"
    & skf18("7","6","5","4","1","1","1") = "6"
    & skf18("7","6","5","4","1","2","1") = "6"
    & skf18("7","6","5","4","1","3","1") = "6"
    & skf18("7","6","5","4","1","4","1") = "6"
    & skf18("7","6","5","4","1","5","1") = "6"
    & skf18("7","6","5","4","1","6","1") = "6"
    & skf18("7","6","5","4","1","7","1") = "6"
    & skf18("7","6","5","4","1","8","1") = "7"
    & skf18("7","6","5","4","1","9","1") = "8"
    & skf18("7","6","5","4","1","10","1") = "9"
    & skf18("7","6","5","4","2","1","1") = "6"
    & skf18("7","6","5","4","2","2","1") = "6"
    & skf18("7","6","5","4","2","3","1") = "6"
    & skf18("7","6","5","4","2","4","1") = "6"
    & skf18("7","6","5","4","2","5","1") = "6"
    & skf18("7","6","5","4","2","6","1") = "6"
    & skf18("7","6","5","4","2","7","1") = "6"
    & skf18("7","6","5","4","2","8","1") = "7"
    & skf18("7","6","5","4","2","9","1") = "8"
    & skf18("7","6","5","4","2","10","1") = "9"
    & skf18("7","6","5","4","3","1","1") = "6"
    & skf18("7","6","5","4","3","2","1") = "6"
    & skf18("7","6","5","4","3","3","1") = "6"
    & skf18("7","6","5","4","3","4","1") = "6"
    & skf18("7","6","5","4","3","5","1") = "6"
    & skf18("7","6","5","4","3","6","1") = "6"
    & skf18("7","6","5","4","3","7","1") = "6"
    & skf18("7","6","5","4","3","8","1") = "7"
    & skf18("7","6","5","4","3","9","1") = "8"
    & skf18("7","6","5","4","3","10","1") = "9"
    & skf18("7","6","5","4","4","1","1") = "6"
    & skf18("7","6","5","4","4","2","1") = "6"
    & skf18("7","6","5","4","4","3","1") = "6"
    & skf18("7","6","5","4","4","4","1") = "6"
    & skf18("7","6","5","4","4","5","1") = "6"
    & skf18("7","6","5","4","4","6","1") = "6"
    & skf18("7","6","5","4","4","7","1") = "6"
    & skf18("7","6","5","4","4","8","1") = "7"
    & skf18("7","6","5","4","4","9","1") = "8"
    & skf18("7","6","5","4","4","10","1") = "9"
    & skf18("7","6","5","4","5","1","1") = "6"
    & skf18("7","6","5","4","5","2","1") = "6"
    & skf18("7","6","5","4","5","3","1") = "6"
    & skf18("7","6","5","4","5","4","1") = "6"
    & skf18("7","6","5","4","5","5","1") = "6"
    & skf18("7","6","5","4","5","6","1") = "6"
    & skf18("7","6","5","4","5","7","1") = "6"
    & skf18("7","6","5","4","5","8","1") = "7"
    & skf18("7","6","5","4","5","9","1") = "8"
    & skf18("7","6","5","4","5","10","1") = "9"
    & skf18("7","6","5","4","6","1","1") = "6"
    & skf18("7","6","5","4","6","2","1") = "6"
    & skf18("7","6","5","4","6","3","1") = "6"
    & skf18("7","6","5","4","6","4","1") = "6"
    & skf18("7","6","5","4","6","5","1") = "6"
    & skf18("7","6","5","4","6","6","1") = "6"
    & skf18("7","6","5","4","6","7","1") = "6"
    & skf18("7","6","5","4","6","8","1") = "7"
    & skf18("7","6","5","4","6","9","1") = "8"
    & skf18("7","6","5","4","6","10","1") = "9"
    & skf18("7","6","5","4","7","1","1") = "6"
    & skf18("7","6","5","4","7","2","1") = "6"
    & skf18("7","6","5","4","7","3","1") = "6"
    & skf18("7","6","5","4","7","4","1") = "6"
    & skf18("7","6","5","4","7","5","1") = "6"
    & skf18("7","6","5","4","7","6","1") = "6"
    & skf18("7","6","5","4","7","7","1") = "6"
    & skf18("7","6","5","4","7","8","1") = "7"
    & skf18("7","6","5","4","7","9","1") = "8"
    & skf18("7","6","5","4","7","10","1") = "9"
    & skf18("7","6","5","4","8","1","1") = "7"
    & skf18("7","6","5","4","8","2","1") = "7"
    & skf18("7","6","5","4","8","3","1") = "7"
    & skf18("7","6","5","4","8","4","1") = "7"
    & skf18("7","6","5","4","8","5","1") = "7"
    & skf18("7","6","5","4","8","6","1") = "7"
    & skf18("7","6","5","4","8","7","1") = "7"
    & skf18("7","6","5","4","8","8","1") = "7"
    & skf18("7","6","5","4","8","9","1") = "8"
    & skf18("7","6","5","4","8","10","1") = "9"
    & skf18("7","6","5","4","9","1","1") = "8"
    & skf18("7","6","5","4","9","2","1") = "8"
    & skf18("7","6","5","4","9","3","1") = "8"
    & skf18("7","6","5","4","9","4","1") = "8"
    & skf18("7","6","5","4","9","5","1") = "8"
    & skf18("7","6","5","4","9","6","1") = "8"
    & skf18("7","6","5","4","9","7","1") = "8"
    & skf18("7","6","5","4","9","8","1") = "8"
    & skf18("7","6","5","4","9","9","1") = "8"
    & skf18("7","6","5","4","9","10","1") = "9"
    & skf18("7","6","5","4","10","1","1") = "9"
    & skf18("7","6","5","4","10","2","1") = "9"
    & skf18("7","6","5","4","10","3","1") = "9"
    & skf18("7","6","5","4","10","4","1") = "9"
    & skf18("7","6","5","4","10","5","1") = "9"
    & skf18("7","6","5","4","10","6","1") = "9"
    & skf18("7","6","5","4","10","7","1") = "9"
    & skf18("7","6","5","4","10","8","1") = "9"
    & skf18("7","6","5","4","10","9","1") = "9"
    & skf18("7","6","5","4","10","10","1") = "9"
    & skf18("7","6","5","5","1","1","1") = "6"
    & skf18("7","6","5","5","1","2","1") = "6"
    & skf18("7","6","5","5","1","3","1") = "6"
    & skf18("7","6","5","5","1","4","1") = "6"
    & skf18("7","6","5","5","1","5","1") = "6"
    & skf18("7","6","5","5","1","6","1") = "6"
    & skf18("7","6","5","5","1","7","1") = "6"
    & skf18("7","6","5","5","1","8","1") = "7"
    & skf18("7","6","5","5","1","9","1") = "8"
    & skf18("7","6","5","5","1","10","1") = "9"
    & skf18("7","6","5","5","2","1","1") = "6"
    & skf18("7","6","5","5","2","2","1") = "6"
    & skf18("7","6","5","5","2","3","1") = "6"
    & skf18("7","6","5","5","2","4","1") = "6"
    & skf18("7","6","5","5","2","5","1") = "6"
    & skf18("7","6","5","5","2","6","1") = "6"
    & skf18("7","6","5","5","2","7","1") = "6"
    & skf18("7","6","5","5","2","8","1") = "7"
    & skf18("7","6","5","5","2","9","1") = "8"
    & skf18("7","6","5","5","2","10","1") = "9"
    & skf18("7","6","5","5","3","1","1") = "6"
    & skf18("7","6","5","5","3","2","1") = "6"
    & skf18("7","6","5","5","3","3","1") = "6"
    & skf18("7","6","5","5","3","4","1") = "6"
    & skf18("7","6","5","5","3","5","1") = "6"
    & skf18("7","6","5","5","3","6","1") = "6"
    & skf18("7","6","5","5","3","7","1") = "6"
    & skf18("7","6","5","5","3","8","1") = "7"
    & skf18("7","6","5","5","3","9","1") = "8"
    & skf18("7","6","5","5","3","10","1") = "9"
    & skf18("7","6","5","5","4","1","1") = "6"
    & skf18("7","6","5","5","4","2","1") = "6"
    & skf18("7","6","5","5","4","3","1") = "6"
    & skf18("7","6","5","5","4","4","1") = "6"
    & skf18("7","6","5","5","4","5","1") = "6"
    & skf18("7","6","5","5","4","6","1") = "6"
    & skf18("7","6","5","5","4","7","1") = "6"
    & skf18("7","6","5","5","4","8","1") = "7"
    & skf18("7","6","5","5","4","9","1") = "8"
    & skf18("7","6","5","5","4","10","1") = "9"
    & skf18("7","6","5","5","5","1","1") = "6"
    & skf18("7","6","5","5","5","2","1") = "6"
    & skf18("7","6","5","5","5","3","1") = "6"
    & skf18("7","6","5","5","5","4","1") = "6"
    & skf18("7","6","5","5","5","5","1") = "6"
    & skf18("7","6","5","5","5","6","1") = "6"
    & skf18("7","6","5","5","5","7","1") = "6"
    & skf18("7","6","5","5","5","8","1") = "7"
    & skf18("7","6","5","5","5","9","1") = "8"
    & skf18("7","6","5","5","5","10","1") = "9"
    & skf18("7","6","5","5","6","1","1") = "6"
    & skf18("7","6","5","5","6","2","1") = "6"
    & skf18("7","6","5","5","6","3","1") = "6"
    & skf18("7","6","5","5","6","4","1") = "6"
    & skf18("7","6","5","5","6","5","1") = "6"
    & skf18("7","6","5","5","6","6","1") = "6"
    & skf18("7","6","5","5","6","7","1") = "6"
    & skf18("7","6","5","5","6","8","1") = "7"
    & skf18("7","6","5","5","6","9","1") = "8"
    & skf18("7","6","5","5","6","10","1") = "9"
    & skf18("7","6","5","5","7","1","1") = "6"
    & skf18("7","6","5","5","7","2","1") = "6"
    & skf18("7","6","5","5","7","3","1") = "6"
    & skf18("7","6","5","5","7","4","1") = "6"
    & skf18("7","6","5","5","7","5","1") = "6"
    & skf18("7","6","5","5","7","6","1") = "6"
    & skf18("7","6","5","5","7","7","1") = "6"
    & skf18("7","6","5","5","7","8","1") = "7"
    & skf18("7","6","5","5","7","9","1") = "8"
    & skf18("7","6","5","5","7","10","1") = "9"
    & skf18("7","6","5","5","8","1","1") = "7"
    & skf18("7","6","5","5","8","2","1") = "7"
    & skf18("7","6","5","5","8","3","1") = "7"
    & skf18("7","6","5","5","8","4","1") = "7"
    & skf18("7","6","5","5","8","5","1") = "7"
    & skf18("7","6","5","5","8","6","1") = "7"
    & skf18("7","6","5","5","8","7","1") = "7"
    & skf18("7","6","5","5","8","8","1") = "7"
    & skf18("7","6","5","5","8","9","1") = "8"
    & skf18("7","6","5","5","8","10","1") = "9"
    & skf18("7","6","5","5","9","1","1") = "8"
    & skf18("7","6","5","5","9","2","1") = "8"
    & skf18("7","6","5","5","9","3","1") = "8"
    & skf18("7","6","5","5","9","4","1") = "8"
    & skf18("7","6","5","5","9","5","1") = "8"
    & skf18("7","6","5","5","9","6","1") = "8"
    & skf18("7","6","5","5","9","7","1") = "8"
    & skf18("7","6","5","5","9","8","1") = "8"
    & skf18("7","6","5","5","9","9","1") = "8"
    & skf18("7","6","5","5","9","10","1") = "9"
    & skf18("7","6","5","5","10","1","1") = "9"
    & skf18("7","6","5","5","10","2","1") = "9"
    & skf18("7","6","5","5","10","3","1") = "9"
    & skf18("7","6","5","5","10","4","1") = "9"
    & skf18("7","6","5","5","10","5","1") = "9"
    & skf18("7","6","5","5","10","6","1") = "9"
    & skf18("7","6","5","5","10","7","1") = "9"
    & skf18("7","6","5","5","10","8","1") = "9"
    & skf18("7","6","5","5","10","9","1") = "9"
    & skf18("7","6","5","5","10","10","1") = "9"
    & skf18("7","6","5","6","1","1","1") = "6"
    & skf18("7","6","5","6","1","2","1") = "6"
    & skf18("7","6","5","6","1","3","1") = "6"
    & skf18("7","6","5","6","1","4","1") = "6"
    & skf18("7","6","5","6","1","5","1") = "6"
    & skf18("7","6","5","6","1","6","1") = "6"
    & skf18("7","6","5","6","1","7","1") = "6"
    & skf18("7","6","5","6","1","8","1") = "7"
    & skf18("7","6","5","6","1","9","1") = "8"
    & skf18("7","6","5","6","1","10","1") = "9"
    & skf18("7","6","5","6","2","1","1") = "6"
    & skf18("7","6","5","6","2","2","1") = "6"
    & skf18("7","6","5","6","2","3","1") = "6"
    & skf18("7","6","5","6","2","4","1") = "6"
    & skf18("7","6","5","6","2","5","1") = "6"
    & skf18("7","6","5","6","2","6","1") = "6"
    & skf18("7","6","5","6","2","7","1") = "6"
    & skf18("7","6","5","6","2","8","1") = "7"
    & skf18("7","6","5","6","2","9","1") = "8"
    & skf18("7","6","5","6","2","10","1") = "9"
    & skf18("7","6","5","6","3","1","1") = "6"
    & skf18("7","6","5","6","3","2","1") = "6"
    & skf18("7","6","5","6","3","3","1") = "6"
    & skf18("7","6","5","6","3","4","1") = "6"
    & skf18("7","6","5","6","3","5","1") = "6"
    & skf18("7","6","5","6","3","6","1") = "6"
    & skf18("7","6","5","6","3","7","1") = "6"
    & skf18("7","6","5","6","3","8","1") = "7"
    & skf18("7","6","5","6","3","9","1") = "8"
    & skf18("7","6","5","6","3","10","1") = "9"
    & skf18("7","6","5","6","4","1","1") = "6"
    & skf18("7","6","5","6","4","2","1") = "6"
    & skf18("7","6","5","6","4","3","1") = "6"
    & skf18("7","6","5","6","4","4","1") = "6"
    & skf18("7","6","5","6","4","5","1") = "6"
    & skf18("7","6","5","6","4","6","1") = "6"
    & skf18("7","6","5","6","4","7","1") = "6"
    & skf18("7","6","5","6","4","8","1") = "7"
    & skf18("7","6","5","6","4","9","1") = "8"
    & skf18("7","6","5","6","4","10","1") = "9"
    & skf18("7","6","5","6","5","1","1") = "6"
    & skf18("7","6","5","6","5","2","1") = "6"
    & skf18("7","6","5","6","5","3","1") = "6"
    & skf18("7","6","5","6","5","4","1") = "6"
    & skf18("7","6","5","6","5","5","1") = "6"
    & skf18("7","6","5","6","5","6","1") = "6"
    & skf18("7","6","5","6","5","7","1") = "6"
    & skf18("7","6","5","6","5","8","1") = "7"
    & skf18("7","6","5","6","5","9","1") = "8"
    & skf18("7","6","5","6","5","10","1") = "9"
    & skf18("7","6","5","6","6","1","1") = "6"
    & skf18("7","6","5","6","6","2","1") = "6"
    & skf18("7","6","5","6","6","3","1") = "6"
    & skf18("7","6","5","6","6","4","1") = "6"
    & skf18("7","6","5","6","6","5","1") = "6"
    & skf18("7","6","5","6","6","6","1") = "6"
    & skf18("7","6","5","6","6","7","1") = "6"
    & skf18("7","6","5","6","6","8","1") = "7"
    & skf18("7","6","5","6","6","9","1") = "8"
    & skf18("7","6","5","6","6","10","1") = "9"
    & skf18("7","6","5","6","7","1","1") = "6"
    & skf18("7","6","5","6","7","2","1") = "6"
    & skf18("7","6","5","6","7","3","1") = "6"
    & skf18("7","6","5","6","7","4","1") = "6"
    & skf18("7","6","5","6","7","5","1") = "6"
    & skf18("7","6","5","6","7","6","1") = "6"
    & skf18("7","6","5","6","7","7","1") = "6"
    & skf18("7","6","5","6","7","8","1") = "7"
    & skf18("7","6","5","6","7","9","1") = "8"
    & skf18("7","6","5","6","7","10","1") = "9"
    & skf18("7","6","5","6","8","1","1") = "7"
    & skf18("7","6","5","6","8","2","1") = "7"
    & skf18("7","6","5","6","8","3","1") = "7"
    & skf18("7","6","5","6","8","4","1") = "7"
    & skf18("7","6","5","6","8","5","1") = "7"
    & skf18("7","6","5","6","8","6","1") = "7"
    & skf18("7","6","5","6","8","7","1") = "7"
    & skf18("7","6","5","6","8","8","1") = "7"
    & skf18("7","6","5","6","8","9","1") = "8"
    & skf18("7","6","5","6","8","10","1") = "9"
    & skf18("7","6","5","6","9","1","1") = "8"
    & skf18("7","6","5","6","9","2","1") = "8"
    & skf18("7","6","5","6","9","3","1") = "8"
    & skf18("7","6","5","6","9","4","1") = "8"
    & skf18("7","6","5","6","9","5","1") = "8"
    & skf18("7","6","5","6","9","6","1") = "8"
    & skf18("7","6","5","6","9","7","1") = "8"
    & skf18("7","6","5","6","9","8","1") = "8"
    & skf18("7","6","5","6","9","9","1") = "8"
    & skf18("7","6","5","6","9","10","1") = "9"
    & skf18("7","6","5","6","10","1","1") = "9"
    & skf18("7","6","5","6","10","2","1") = "9"
    & skf18("7","6","5","6","10","3","1") = "9"
    & skf18("7","6","5","6","10","4","1") = "9"
    & skf18("7","6","5","6","10","5","1") = "9"
    & skf18("7","6","5","6","10","6","1") = "9"
    & skf18("7","6","5","6","10","7","1") = "9"
    & skf18("7","6","5","6","10","8","1") = "9"
    & skf18("7","6","5","6","10","9","1") = "9"
    & skf18("7","6","5","6","10","10","1") = "9"
    & skf18("7","6","5","7","1","1","1") = "6"
    & skf18("7","6","5","7","1","2","1") = "6"
    & skf18("7","6","5","7","1","3","1") = "6"
    & skf18("7","6","5","7","1","4","1") = "6"
    & skf18("7","6","5","7","1","5","1") = "6"
    & skf18("7","6","5","7","1","6","1") = "6"
    & skf18("7","6","5","7","1","7","1") = "6"
    & skf18("7","6","5","7","1","8","1") = "7"
    & skf18("7","6","5","7","1","9","1") = "8"
    & skf18("7","6","5","7","1","10","1") = "9"
    & skf18("7","6","5","7","2","1","1") = "6"
    & skf18("7","6","5","7","2","2","1") = "6"
    & skf18("7","6","5","7","2","3","1") = "6"
    & skf18("7","6","5","7","2","4","1") = "6"
    & skf18("7","6","5","7","2","5","1") = "6"
    & skf18("7","6","5","7","2","6","1") = "6"
    & skf18("7","6","5","7","2","7","1") = "6"
    & skf18("7","6","5","7","2","8","1") = "7"
    & skf18("7","6","5","7","2","9","1") = "8"
    & skf18("7","6","5","7","2","10","1") = "9"
    & skf18("7","6","5","7","3","1","1") = "6"
    & skf18("7","6","5","7","3","2","1") = "6"
    & skf18("7","6","5","7","3","3","1") = "6"
    & skf18("7","6","5","7","3","4","1") = "6"
    & skf18("7","6","5","7","3","5","1") = "6"
    & skf18("7","6","5","7","3","6","1") = "6"
    & skf18("7","6","5","7","3","7","1") = "6"
    & skf18("7","6","5","7","3","8","1") = "7"
    & skf18("7","6","5","7","3","9","1") = "8"
    & skf18("7","6","5","7","3","10","1") = "9"
    & skf18("7","6","5","7","4","1","1") = "6"
    & skf18("7","6","5","7","4","2","1") = "6"
    & skf18("7","6","5","7","4","3","1") = "6"
    & skf18("7","6","5","7","4","4","1") = "6"
    & skf18("7","6","5","7","4","5","1") = "6"
    & skf18("7","6","5","7","4","6","1") = "6"
    & skf18("7","6","5","7","4","7","1") = "6"
    & skf18("7","6","5","7","4","8","1") = "7"
    & skf18("7","6","5","7","4","9","1") = "8"
    & skf18("7","6","5","7","4","10","1") = "9"
    & skf18("7","6","5","7","5","1","1") = "6"
    & skf18("7","6","5","7","5","2","1") = "6"
    & skf18("7","6","5","7","5","3","1") = "6"
    & skf18("7","6","5","7","5","4","1") = "6"
    & skf18("7","6","5","7","5","5","1") = "6"
    & skf18("7","6","5","7","5","6","1") = "6"
    & skf18("7","6","5","7","5","7","1") = "6"
    & skf18("7","6","5","7","5","8","1") = "7"
    & skf18("7","6","5","7","5","9","1") = "8"
    & skf18("7","6","5","7","5","10","1") = "9"
    & skf18("7","6","5","7","6","1","1") = "6"
    & skf18("7","6","5","7","6","2","1") = "6"
    & skf18("7","6","5","7","6","3","1") = "6"
    & skf18("7","6","5","7","6","4","1") = "6"
    & skf18("7","6","5","7","6","5","1") = "6"
    & skf18("7","6","5","7","6","6","1") = "6"
    & skf18("7","6","5","7","6","7","1") = "6"
    & skf18("7","6","5","7","6","8","1") = "7"
    & skf18("7","6","5","7","6","9","1") = "8"
    & skf18("7","6","5","7","6","10","1") = "9"
    & skf18("7","6","5","7","7","1","1") = "6"
    & skf18("7","6","5","7","7","2","1") = "6"
    & skf18("7","6","5","7","7","3","1") = "6"
    & skf18("7","6","5","7","7","4","1") = "6"
    & skf18("7","6","5","7","7","5","1") = "6"
    & skf18("7","6","5","7","7","6","1") = "6"
    & skf18("7","6","5","7","7","7","1") = "6"
    & skf18("7","6","5","7","7","8","1") = "7"
    & skf18("7","6","5","7","7","9","1") = "8"
    & skf18("7","6","5","7","7","10","1") = "9"
    & skf18("7","6","5","7","8","1","1") = "7"
    & skf18("7","6","5","7","8","2","1") = "7"
    & skf18("7","6","5","7","8","3","1") = "7"
    & skf18("7","6","5","7","8","4","1") = "7"
    & skf18("7","6","5","7","8","5","1") = "7"
    & skf18("7","6","5","7","8","6","1") = "7"
    & skf18("7","6","5","7","8","7","1") = "7"
    & skf18("7","6","5","7","8","8","1") = "7"
    & skf18("7","6","5","7","8","9","1") = "8"
    & skf18("7","6","5","7","8","10","1") = "9"
    & skf18("7","6","5","7","9","1","1") = "8"
    & skf18("7","6","5","7","9","2","1") = "8"
    & skf18("7","6","5","7","9","3","1") = "8"
    & skf18("7","6","5","7","9","4","1") = "8"
    & skf18("7","6","5","7","9","5","1") = "8"
    & skf18("7","6","5","7","9","6","1") = "8"
    & skf18("7","6","5","7","9","7","1") = "8"
    & skf18("7","6","5","7","9","8","1") = "8"
    & skf18("7","6","5","7","9","9","1") = "8"
    & skf18("7","6","5","7","9","10","1") = "9"
    & skf18("7","6","5","7","10","1","1") = "9"
    & skf18("7","6","5","7","10","2","1") = "9"
    & skf18("7","6","5","7","10","3","1") = "9"
    & skf18("7","6","5","7","10","4","1") = "9"
    & skf18("7","6","5","7","10","5","1") = "9"
    & skf18("7","6","5","7","10","6","1") = "9"
    & skf18("7","6","5","7","10","7","1") = "9"
    & skf18("7","6","5","7","10","8","1") = "9"
    & skf18("7","6","5","7","10","9","1") = "9"
    & skf18("7","6","5","7","10","10","1") = "9"
    & skf18("7","6","5","8","1","1","1") = "7"
    & skf18("7","6","5","8","1","2","1") = "7"
    & skf18("7","6","5","8","1","3","1") = "7"
    & skf18("7","6","5","8","1","4","1") = "7"
    & skf18("7","6","5","8","1","5","1") = "7"
    & skf18("7","6","5","8","1","6","1") = "7"
    & skf18("7","6","5","8","1","7","1") = "7"
    & skf18("7","6","5","8","1","8","1") = "7"
    & skf18("7","6","5","8","1","9","1") = "8"
    & skf18("7","6","5","8","1","10","1") = "9"
    & skf18("7","6","5","8","2","1","1") = "7"
    & skf18("7","6","5","8","2","2","1") = "7"
    & skf18("7","6","5","8","2","3","1") = "7"
    & skf18("7","6","5","8","2","4","1") = "7"
    & skf18("7","6","5","8","2","5","1") = "7"
    & skf18("7","6","5","8","2","6","1") = "7"
    & skf18("7","6","5","8","2","7","1") = "7"
    & skf18("7","6","5","8","2","8","1") = "7"
    & skf18("7","6","5","8","2","9","1") = "8"
    & skf18("7","6","5","8","2","10","1") = "9"
    & skf18("7","6","5","8","3","1","1") = "7"
    & skf18("7","6","5","8","3","2","1") = "7"
    & skf18("7","6","5","8","3","3","1") = "7"
    & skf18("7","6","5","8","3","4","1") = "7"
    & skf18("7","6","5","8","3","5","1") = "7"
    & skf18("7","6","5","8","3","6","1") = "7"
    & skf18("7","6","5","8","3","7","1") = "7"
    & skf18("7","6","5","8","3","8","1") = "7"
    & skf18("7","6","5","8","3","9","1") = "8"
    & skf18("7","6","5","8","3","10","1") = "9"
    & skf18("7","6","5","8","4","1","1") = "7"
    & skf18("7","6","5","8","4","2","1") = "7"
    & skf18("7","6","5","8","4","3","1") = "7"
    & skf18("7","6","5","8","4","4","1") = "7"
    & skf18("7","6","5","8","4","5","1") = "7"
    & skf18("7","6","5","8","4","6","1") = "7"
    & skf18("7","6","5","8","4","7","1") = "7"
    & skf18("7","6","5","8","4","8","1") = "7"
    & skf18("7","6","5","8","4","9","1") = "8"
    & skf18("7","6","5","8","4","10","1") = "9"
    & skf18("7","6","5","8","5","1","1") = "7"
    & skf18("7","6","5","8","5","2","1") = "7"
    & skf18("7","6","5","8","5","3","1") = "7"
    & skf18("7","6","5","8","5","4","1") = "7"
    & skf18("7","6","5","8","5","5","1") = "7"
    & skf18("7","6","5","8","5","6","1") = "7"
    & skf18("7","6","5","8","5","7","1") = "7"
    & skf18("7","6","5","8","5","8","1") = "7"
    & skf18("7","6","5","8","5","9","1") = "8"
    & skf18("7","6","5","8","5","10","1") = "9"
    & skf18("7","6","5","8","6","1","1") = "7"
    & skf18("7","6","5","8","6","2","1") = "7"
    & skf18("7","6","5","8","6","3","1") = "7"
    & skf18("7","6","5","8","6","4","1") = "7"
    & skf18("7","6","5","8","6","5","1") = "7"
    & skf18("7","6","5","8","6","6","1") = "7"
    & skf18("7","6","5","8","6","7","1") = "7"
    & skf18("7","6","5","8","6","8","1") = "7"
    & skf18("7","6","5","8","6","9","1") = "8"
    & skf18("7","6","5","8","6","10","1") = "9"
    & skf18("7","6","5","8","7","1","1") = "7"
    & skf18("7","6","5","8","7","2","1") = "7"
    & skf18("7","6","5","8","7","3","1") = "7"
    & skf18("7","6","5","8","7","4","1") = "7"
    & skf18("7","6","5","8","7","5","1") = "7"
    & skf18("7","6","5","8","7","6","1") = "7"
    & skf18("7","6","5","8","7","7","1") = "7"
    & skf18("7","6","5","8","7","8","1") = "7"
    & skf18("7","6","5","8","7","9","1") = "8"
    & skf18("7","6","5","8","7","10","1") = "9"
    & skf18("7","6","5","8","8","1","1") = "7"
    & skf18("7","6","5","8","8","2","1") = "7"
    & skf18("7","6","5","8","8","3","1") = "7"
    & skf18("7","6","5","8","8","4","1") = "7"
    & skf18("7","6","5","8","8","5","1") = "7"
    & skf18("7","6","5","8","8","6","1") = "7"
    & skf18("7","6","5","8","8","7","1") = "7"
    & skf18("7","6","5","8","8","8","1") = "7"
    & skf18("7","6","5","8","8","9","1") = "8"
    & skf18("7","6","5","8","8","10","1") = "9"
    & skf18("7","6","5","8","9","1","1") = "8"
    & skf18("7","6","5","8","9","2","1") = "8"
    & skf18("7","6","5","8","9","3","1") = "8"
    & skf18("7","6","5","8","9","4","1") = "8"
    & skf18("7","6","5","8","9","5","1") = "8"
    & skf18("7","6","5","8","9","6","1") = "8"
    & skf18("7","6","5","8","9","7","1") = "8"
    & skf18("7","6","5","8","9","8","1") = "8"
    & skf18("7","6","5","8","9","9","1") = "8"
    & skf18("7","6","5","8","9","10","1") = "9"
    & skf18("7","6","5","8","10","1","1") = "9"
    & skf18("7","6","5","8","10","2","1") = "9"
    & skf18("7","6","5","8","10","3","1") = "9"
    & skf18("7","6","5","8","10","4","1") = "9"
    & skf18("7","6","5","8","10","5","1") = "9"
    & skf18("7","6","5","8","10","6","1") = "9"
    & skf18("7","6","5","8","10","7","1") = "9"
    & skf18("7","6","5","8","10","8","1") = "9"
    & skf18("7","6","5","8","10","9","1") = "9"
    & skf18("7","6","5","8","10","10","1") = "9"
    & skf18("7","6","5","9","1","1","1") = "8"
    & skf18("7","6","5","9","1","2","1") = "8"
    & skf18("7","6","5","9","1","3","1") = "8"
    & skf18("7","6","5","9","1","4","1") = "8"
    & skf18("7","6","5","9","1","5","1") = "8"
    & skf18("7","6","5","9","1","6","1") = "8"
    & skf18("7","6","5","9","1","7","1") = "8"
    & skf18("7","6","5","9","1","8","1") = "8"
    & skf18("7","6","5","9","1","9","1") = "8"
    & skf18("7","6","5","9","1","10","1") = "9"
    & skf18("7","6","5","9","2","1","1") = "8"
    & skf18("7","6","5","9","2","2","1") = "8"
    & skf18("7","6","5","9","2","3","1") = "8"
    & skf18("7","6","5","9","2","4","1") = "8"
    & skf18("7","6","5","9","2","5","1") = "8"
    & skf18("7","6","5","9","2","6","1") = "8"
    & skf18("7","6","5","9","2","7","1") = "8"
    & skf18("7","6","5","9","2","8","1") = "8"
    & skf18("7","6","5","9","2","9","1") = "8"
    & skf18("7","6","5","9","2","10","1") = "9"
    & skf18("7","6","5","9","3","1","1") = "8"
    & skf18("7","6","5","9","3","2","1") = "8"
    & skf18("7","6","5","9","3","3","1") = "8"
    & skf18("7","6","5","9","3","4","1") = "8"
    & skf18("7","6","5","9","3","5","1") = "8"
    & skf18("7","6","5","9","3","6","1") = "8"
    & skf18("7","6","5","9","3","7","1") = "8"
    & skf18("7","6","5","9","3","8","1") = "8"
    & skf18("7","6","5","9","3","9","1") = "8"
    & skf18("7","6","5","9","3","10","1") = "9"
    & skf18("7","6","5","9","4","1","1") = "8"
    & skf18("7","6","5","9","4","2","1") = "8"
    & skf18("7","6","5","9","4","3","1") = "8"
    & skf18("7","6","5","9","4","4","1") = "8"
    & skf18("7","6","5","9","4","5","1") = "8"
    & skf18("7","6","5","9","4","6","1") = "8"
    & skf18("7","6","5","9","4","7","1") = "8"
    & skf18("7","6","5","9","4","8","1") = "8"
    & skf18("7","6","5","9","4","9","1") = "8"
    & skf18("7","6","5","9","4","10","1") = "9"
    & skf18("7","6","5","9","5","1","1") = "8"
    & skf18("7","6","5","9","5","2","1") = "8"
    & skf18("7","6","5","9","5","3","1") = "8"
    & skf18("7","6","5","9","5","4","1") = "8"
    & skf18("7","6","5","9","5","5","1") = "8"
    & skf18("7","6","5","9","5","6","1") = "8"
    & skf18("7","6","5","9","5","7","1") = "8"
    & skf18("7","6","5","9","5","8","1") = "8"
    & skf18("7","6","5","9","5","9","1") = "8"
    & skf18("7","6","5","9","5","10","1") = "9"
    & skf18("7","6","5","9","6","1","1") = "8"
    & skf18("7","6","5","9","6","2","1") = "8"
    & skf18("7","6","5","9","6","3","1") = "8"
    & skf18("7","6","5","9","6","4","1") = "8"
    & skf18("7","6","5","9","6","5","1") = "8"
    & skf18("7","6","5","9","6","6","1") = "8"
    & skf18("7","6","5","9","6","7","1") = "8"
    & skf18("7","6","5","9","6","8","1") = "8"
    & skf18("7","6","5","9","6","9","1") = "8"
    & skf18("7","6","5","9","6","10","1") = "9"
    & skf18("7","6","5","9","7","1","1") = "8"
    & skf18("7","6","5","9","7","2","1") = "8"
    & skf18("7","6","5","9","7","3","1") = "8"
    & skf18("7","6","5","9","7","4","1") = "8"
    & skf18("7","6","5","9","7","5","1") = "8"
    & skf18("7","6","5","9","7","6","1") = "8"
    & skf18("7","6","5","9","7","7","1") = "8"
    & skf18("7","6","5","9","7","8","1") = "8"
    & skf18("7","6","5","9","7","9","1") = "8"
    & skf18("7","6","5","9","7","10","1") = "9"
    & skf18("7","6","5","9","8","1","1") = "8"
    & skf18("7","6","5","9","8","2","1") = "8"
    & skf18("7","6","5","9","8","3","1") = "8"
    & skf18("7","6","5","9","8","4","1") = "8"
    & skf18("7","6","5","9","8","5","1") = "8"
    & skf18("7","6","5","9","8","6","1") = "8"
    & skf18("7","6","5","9","8","7","1") = "8"
    & skf18("7","6","5","9","8","8","1") = "8"
    & skf18("7","6","5","9","8","9","1") = "8"
    & skf18("7","6","5","9","8","10","1") = "9"
    & skf18("7","6","5","9","9","1","1") = "8"
    & skf18("7","6","5","9","9","2","1") = "8"
    & skf18("7","6","5","9","9","3","1") = "8"
    & skf18("7","6","5","9","9","4","1") = "8"
    & skf18("7","6","5","9","9","5","1") = "8"
    & skf18("7","6","5","9","9","6","1") = "8"
    & skf18("7","6","5","9","9","7","1") = "8"
    & skf18("7","6","5","9","9","8","1") = "8"
    & skf18("7","6","5","9","9","9","1") = "8"
    & skf18("7","6","5","9","9","10","1") = "9"
    & skf18("7","6","5","9","10","1","1") = "9"
    & skf18("7","6","5","9","10","2","1") = "9"
    & skf18("7","6","5","9","10","3","1") = "9"
    & skf18("7","6","5","9","10","4","1") = "9"
    & skf18("7","6","5","9","10","5","1") = "9"
    & skf18("7","6","5","9","10","6","1") = "9"
    & skf18("7","6","5","9","10","7","1") = "9"
    & skf18("7","6","5","9","10","8","1") = "9"
    & skf18("7","6","5","9","10","9","1") = "9"
    & skf18("7","6","5","9","10","10","1") = "9"
    & skf18("7","6","5","10","1","1","1") = "9"
    & skf18("7","6","5","10","1","2","1") = "9"
    & skf18("7","6","5","10","1","3","1") = "9"
    & skf18("7","6","5","10","1","4","1") = "9"
    & skf18("7","6","5","10","1","5","1") = "9"
    & skf18("7","6","5","10","1","6","1") = "9"
    & skf18("7","6","5","10","1","7","1") = "9"
    & skf18("7","6","5","10","1","8","1") = "9"
    & skf18("7","6","5","10","1","9","1") = "9"
    & skf18("7","6","5","10","1","10","1") = "9"
    & skf18("7","6","5","10","2","1","1") = "9"
    & skf18("7","6","5","10","2","2","1") = "9"
    & skf18("7","6","5","10","2","3","1") = "9"
    & skf18("7","6","5","10","2","4","1") = "9"
    & skf18("7","6","5","10","2","5","1") = "9"
    & skf18("7","6","5","10","2","6","1") = "9"
    & skf18("7","6","5","10","2","7","1") = "9"
    & skf18("7","6","5","10","2","8","1") = "9"
    & skf18("7","6","5","10","2","9","1") = "9"
    & skf18("7","6","5","10","2","10","1") = "9"
    & skf18("7","6","5","10","3","1","1") = "9"
    & skf18("7","6","5","10","3","2","1") = "9"
    & skf18("7","6","5","10","3","3","1") = "9"
    & skf18("7","6","5","10","3","4","1") = "9"
    & skf18("7","6","5","10","3","5","1") = "9"
    & skf18("7","6","5","10","3","6","1") = "9"
    & skf18("7","6","5","10","3","7","1") = "9"
    & skf18("7","6","5","10","3","8","1") = "9"
    & skf18("7","6","5","10","3","9","1") = "9"
    & skf18("7","6","5","10","3","10","1") = "9"
    & skf18("7","6","5","10","4","1","1") = "9"
    & skf18("7","6","5","10","4","2","1") = "9"
    & skf18("7","6","5","10","4","3","1") = "9"
    & skf18("7","6","5","10","4","4","1") = "9"
    & skf18("7","6","5","10","4","5","1") = "9"
    & skf18("7","6","5","10","4","6","1") = "9"
    & skf18("7","6","5","10","4","7","1") = "9"
    & skf18("7","6","5","10","4","8","1") = "9"
    & skf18("7","6","5","10","4","9","1") = "9"
    & skf18("7","6","5","10","4","10","1") = "9"
    & skf18("7","6","5","10","5","1","1") = "9"
    & skf18("7","6","5","10","5","2","1") = "9"
    & skf18("7","6","5","10","5","3","1") = "9"
    & skf18("7","6","5","10","5","4","1") = "9"
    & skf18("7","6","5","10","5","5","1") = "9"
    & skf18("7","6","5","10","5","6","1") = "9"
    & skf18("7","6","5","10","5","7","1") = "9"
    & skf18("7","6","5","10","5","8","1") = "9"
    & skf18("7","6","5","10","5","9","1") = "9"
    & skf18("7","6","5","10","5","10","1") = "9"
    & skf18("7","6","5","10","6","1","1") = "9"
    & skf18("7","6","5","10","6","2","1") = "9"
    & skf18("7","6","5","10","6","3","1") = "9"
    & skf18("7","6","5","10","6","4","1") = "9"
    & skf18("7","6","5","10","6","5","1") = "9"
    & skf18("7","6","5","10","6","6","1") = "9"
    & skf18("7","6","5","10","6","7","1") = "9"
    & skf18("7","6","5","10","6","8","1") = "9"
    & skf18("7","6","5","10","6","9","1") = "9"
    & skf18("7","6","5","10","6","10","1") = "9"
    & skf18("7","6","5","10","7","1","1") = "9"
    & skf18("7","6","5","10","7","2","1") = "9"
    & skf18("7","6","5","10","7","3","1") = "9"
    & skf18("7","6","5","10","7","4","1") = "9"
    & skf18("7","6","5","10","7","5","1") = "9"
    & skf18("7","6","5","10","7","6","1") = "9"
    & skf18("7","6","5","10","7","7","1") = "9"
    & skf18("7","6","5","10","7","8","1") = "9"
    & skf18("7","6","5","10","7","9","1") = "9"
    & skf18("7","6","5","10","7","10","1") = "9"
    & skf18("7","6","5","10","8","1","1") = "9"
    & skf18("7","6","5","10","8","2","1") = "9"
    & skf18("7","6","5","10","8","3","1") = "9"
    & skf18("7","6","5","10","8","4","1") = "9"
    & skf18("7","6","5","10","8","5","1") = "9"
    & skf18("7","6","5","10","8","6","1") = "9"
    & skf18("7","6","5","10","8","7","1") = "9"
    & skf18("7","6","5","10","8","8","1") = "9"
    & skf18("7","6","5","10","8","9","1") = "9"
    & skf18("7","6","5","10","8","10","1") = "9"
    & skf18("7","6","5","10","9","1","1") = "9"
    & skf18("7","6","5","10","9","2","1") = "9"
    & skf18("7","6","5","10","9","3","1") = "9"
    & skf18("7","6","5","10","9","4","1") = "9"
    & skf18("7","6","5","10","9","5","1") = "9"
    & skf18("7","6","5","10","9","6","1") = "9"
    & skf18("7","6","5","10","9","7","1") = "9"
    & skf18("7","6","5","10","9","8","1") = "9"
    & skf18("7","6","5","10","9","9","1") = "9"
    & skf18("7","6","5","10","9","10","1") = "9"
    & skf18("7","6","5","10","10","1","1") = "9"
    & skf18("7","6","5","10","10","2","1") = "9"
    & skf18("7","6","5","10","10","3","1") = "9"
    & skf18("7","6","5","10","10","4","1") = "9"
    & skf18("7","6","5","10","10","5","1") = "9"
    & skf18("7","6","5","10","10","6","1") = "9"
    & skf18("7","6","5","10","10","7","1") = "9"
    & skf18("7","6","5","10","10","8","1") = "9"
    & skf18("7","6","5","10","10","9","1") = "9"
    & skf18("7","6","5","10","10","10","1") = "9"
    & skf18("7","6","6","1","1","1","1") = "6"
    & skf18("7","6","6","1","1","2","1") = "6"
    & skf18("7","6","6","1","1","3","1") = "6"
    & skf18("7","6","6","1","1","4","1") = "6"
    & skf18("7","6","6","1","1","5","1") = "6"
    & skf18("7","6","6","1","1","6","1") = "6"
    & skf18("7","6","6","1","1","7","1") = "6"
    & skf18("7","6","6","1","1","8","1") = "7"
    & skf18("7","6","6","1","1","9","1") = "8"
    & skf18("7","6","6","1","1","10","1") = "9"
    & skf18("7","6","6","1","2","1","1") = "6"
    & skf18("7","6","6","1","2","2","1") = "6"
    & skf18("7","6","6","1","2","3","1") = "6"
    & skf18("7","6","6","1","2","4","1") = "6"
    & skf18("7","6","6","1","2","5","1") = "6"
    & skf18("7","6","6","1","2","6","1") = "6"
    & skf18("7","6","6","1","2","7","1") = "6"
    & skf18("7","6","6","1","2","8","1") = "7"
    & skf18("7","6","6","1","2","9","1") = "8"
    & skf18("7","6","6","1","2","10","1") = "9"
    & skf18("7","6","6","1","3","1","1") = "6"
    & skf18("7","6","6","1","3","2","1") = "6"
    & skf18("7","6","6","1","3","3","1") = "6"
    & skf18("7","6","6","1","3","4","1") = "6"
    & skf18("7","6","6","1","3","5","1") = "6"
    & skf18("7","6","6","1","3","6","1") = "6"
    & skf18("7","6","6","1","3","7","1") = "6"
    & skf18("7","6","6","1","3","8","1") = "7"
    & skf18("7","6","6","1","3","9","1") = "8"
    & skf18("7","6","6","1","3","10","1") = "9"
    & skf18("7","6","6","1","4","1","1") = "6"
    & skf18("7","6","6","1","4","2","1") = "6"
    & skf18("7","6","6","1","4","3","1") = "6"
    & skf18("7","6","6","1","4","4","1") = "6"
    & skf18("7","6","6","1","4","5","1") = "6"
    & skf18("7","6","6","1","4","6","1") = "6"
    & skf18("7","6","6","1","4","7","1") = "6"
    & skf18("7","6","6","1","4","8","1") = "7"
    & skf18("7","6","6","1","4","9","1") = "8"
    & skf18("7","6","6","1","4","10","1") = "9"
    & skf18("7","6","6","1","5","1","1") = "6"
    & skf18("7","6","6","1","5","2","1") = "6"
    & skf18("7","6","6","1","5","3","1") = "6"
    & skf18("7","6","6","1","5","4","1") = "6"
    & skf18("7","6","6","1","5","5","1") = "6"
    & skf18("7","6","6","1","5","6","1") = "6"
    & skf18("7","6","6","1","5","7","1") = "6"
    & skf18("7","6","6","1","5","8","1") = "7"
    & skf18("7","6","6","1","5","9","1") = "8"
    & skf18("7","6","6","1","5","10","1") = "9"
    & skf18("7","6","6","1","6","1","1") = "6"
    & skf18("7","6","6","1","6","2","1") = "6"
    & skf18("7","6","6","1","6","3","1") = "6"
    & skf18("7","6","6","1","6","4","1") = "6"
    & skf18("7","6","6","1","6","5","1") = "6"
    & skf18("7","6","6","1","6","6","1") = "6"
    & skf18("7","6","6","1","6","7","1") = "6"
    & skf18("7","6","6","1","6","8","1") = "7"
    & skf18("7","6","6","1","6","9","1") = "8"
    & skf18("7","6","6","1","6","10","1") = "9"
    & skf18("7","6","6","1","7","1","1") = "6"
    & skf18("7","6","6","1","7","2","1") = "6"
    & skf18("7","6","6","1","7","3","1") = "6"
    & skf18("7","6","6","1","7","4","1") = "6"
    & skf18("7","6","6","1","7","5","1") = "6"
    & skf18("7","6","6","1","7","6","1") = "6"
    & skf18("7","6","6","1","7","7","1") = "6"
    & skf18("7","6","6","1","7","8","1") = "7"
    & skf18("7","6","6","1","7","9","1") = "8"
    & skf18("7","6","6","1","7","10","1") = "9"
    & skf18("7","6","6","1","8","1","1") = "7"
    & skf18("7","6","6","1","8","2","1") = "7"
    & skf18("7","6","6","1","8","3","1") = "7"
    & skf18("7","6","6","1","8","4","1") = "7"
    & skf18("7","6","6","1","8","5","1") = "7"
    & skf18("7","6","6","1","8","6","1") = "7"
    & skf18("7","6","6","1","8","7","1") = "7"
    & skf18("7","6","6","1","8","8","1") = "7"
    & skf18("7","6","6","1","8","9","1") = "8"
    & skf18("7","6","6","1","8","10","1") = "9"
    & skf18("7","6","6","1","9","1","1") = "8"
    & skf18("7","6","6","1","9","2","1") = "8"
    & skf18("7","6","6","1","9","3","1") = "8"
    & skf18("7","6","6","1","9","4","1") = "8"
    & skf18("7","6","6","1","9","5","1") = "8"
    & skf18("7","6","6","1","9","6","1") = "8"
    & skf18("7","6","6","1","9","7","1") = "8"
    & skf18("7","6","6","1","9","8","1") = "8"
    & skf18("7","6","6","1","9","9","1") = "8"
    & skf18("7","6","6","1","9","10","1") = "9"
    & skf18("7","6","6","1","10","1","1") = "9"
    & skf18("7","6","6","1","10","2","1") = "9"
    & skf18("7","6","6","1","10","3","1") = "9"
    & skf18("7","6","6","1","10","4","1") = "9"
    & skf18("7","6","6","1","10","5","1") = "9"
    & skf18("7","6","6","1","10","6","1") = "9"
    & skf18("7","6","6","1","10","7","1") = "9"
    & skf18("7","6","6","1","10","8","1") = "9"
    & skf18("7","6","6","1","10","9","1") = "9"
    & skf18("7","6","6","1","10","10","1") = "9"
    & skf18("7","6","6","2","1","1","1") = "6"
    & skf18("7","6","6","2","1","2","1") = "6"
    & skf18("7","6","6","2","1","3","1") = "6"
    & skf18("7","6","6","2","1","4","1") = "6"
    & skf18("7","6","6","2","1","5","1") = "6"
    & skf18("7","6","6","2","1","6","1") = "6"
    & skf18("7","6","6","2","1","7","1") = "6"
    & skf18("7","6","6","2","1","8","1") = "7"
    & skf18("7","6","6","2","1","9","1") = "8"
    & skf18("7","6","6","2","1","10","1") = "9"
    & skf18("7","6","6","2","2","1","1") = "6"
    & skf18("7","6","6","2","2","2","1") = "6"
    & skf18("7","6","6","2","2","3","1") = "6"
    & skf18("7","6","6","2","2","4","1") = "6"
    & skf18("7","6","6","2","2","5","1") = "6"
    & skf18("7","6","6","2","2","6","1") = "6"
    & skf18("7","6","6","2","2","7","1") = "6"
    & skf18("7","6","6","2","2","8","1") = "7"
    & skf18("7","6","6","2","2","9","1") = "8"
    & skf18("7","6","6","2","2","10","1") = "9"
    & skf18("7","6","6","2","3","1","1") = "6"
    & skf18("7","6","6","2","3","2","1") = "6"
    & skf18("7","6","6","2","3","3","1") = "6"
    & skf18("7","6","6","2","3","4","1") = "6"
    & skf18("7","6","6","2","3","5","1") = "6"
    & skf18("7","6","6","2","3","6","1") = "6"
    & skf18("7","6","6","2","3","7","1") = "6"
    & skf18("7","6","6","2","3","8","1") = "7"
    & skf18("7","6","6","2","3","9","1") = "8"
    & skf18("7","6","6","2","3","10","1") = "9"
    & skf18("7","6","6","2","4","1","1") = "6"
    & skf18("7","6","6","2","4","2","1") = "6"
    & skf18("7","6","6","2","4","3","1") = "6"
    & skf18("7","6","6","2","4","4","1") = "6"
    & skf18("7","6","6","2","4","5","1") = "6"
    & skf18("7","6","6","2","4","6","1") = "6"
    & skf18("7","6","6","2","4","7","1") = "6"
    & skf18("7","6","6","2","4","8","1") = "7"
    & skf18("7","6","6","2","4","9","1") = "8"
    & skf18("7","6","6","2","4","10","1") = "9"
    & skf18("7","6","6","2","5","1","1") = "6"
    & skf18("7","6","6","2","5","2","1") = "6"
    & skf18("7","6","6","2","5","3","1") = "6"
    & skf18("7","6","6","2","5","4","1") = "6"
    & skf18("7","6","6","2","5","5","1") = "6"
    & skf18("7","6","6","2","5","6","1") = "6"
    & skf18("7","6","6","2","5","7","1") = "6"
    & skf18("7","6","6","2","5","8","1") = "7"
    & skf18("7","6","6","2","5","9","1") = "8"
    & skf18("7","6","6","2","5","10","1") = "9"
    & skf18("7","6","6","2","6","1","1") = "6"
    & skf18("7","6","6","2","6","2","1") = "6"
    & skf18("7","6","6","2","6","3","1") = "6"
    & skf18("7","6","6","2","6","4","1") = "6"
    & skf18("7","6","6","2","6","5","1") = "6"
    & skf18("7","6","6","2","6","6","1") = "6"
    & skf18("7","6","6","2","6","7","1") = "6"
    & skf18("7","6","6","2","6","8","1") = "7"
    & skf18("7","6","6","2","6","9","1") = "8"
    & skf18("7","6","6","2","6","10","1") = "9"
    & skf18("7","6","6","2","7","1","1") = "6"
    & skf18("7","6","6","2","7","2","1") = "6"
    & skf18("7","6","6","2","7","3","1") = "6"
    & skf18("7","6","6","2","7","4","1") = "6"
    & skf18("7","6","6","2","7","5","1") = "6"
    & skf18("7","6","6","2","7","6","1") = "6"
    & skf18("7","6","6","2","7","7","1") = "6"
    & skf18("7","6","6","2","7","8","1") = "7"
    & skf18("7","6","6","2","7","9","1") = "8"
    & skf18("7","6","6","2","7","10","1") = "9"
    & skf18("7","6","6","2","8","1","1") = "7"
    & skf18("7","6","6","2","8","2","1") = "7"
    & skf18("7","6","6","2","8","3","1") = "7"
    & skf18("7","6","6","2","8","4","1") = "7"
    & skf18("7","6","6","2","8","5","1") = "7"
    & skf18("7","6","6","2","8","6","1") = "7"
    & skf18("7","6","6","2","8","7","1") = "7"
    & skf18("7","6","6","2","8","8","1") = "7"
    & skf18("7","6","6","2","8","9","1") = "8"
    & skf18("7","6","6","2","8","10","1") = "9"
    & skf18("7","6","6","2","9","1","1") = "8"
    & skf18("7","6","6","2","9","2","1") = "8"
    & skf18("7","6","6","2","9","3","1") = "8"
    & skf18("7","6","6","2","9","4","1") = "8"
    & skf18("7","6","6","2","9","5","1") = "8"
    & skf18("7","6","6","2","9","6","1") = "8"
    & skf18("7","6","6","2","9","7","1") = "8"
    & skf18("7","6","6","2","9","8","1") = "8"
    & skf18("7","6","6","2","9","9","1") = "8"
    & skf18("7","6","6","2","9","10","1") = "9"
    & skf18("7","6","6","2","10","1","1") = "9"
    & skf18("7","6","6","2","10","2","1") = "9"
    & skf18("7","6","6","2","10","3","1") = "9"
    & skf18("7","6","6","2","10","4","1") = "9"
    & skf18("7","6","6","2","10","5","1") = "9"
    & skf18("7","6","6","2","10","6","1") = "9"
    & skf18("7","6","6","2","10","7","1") = "9"
    & skf18("7","6","6","2","10","8","1") = "9"
    & skf18("7","6","6","2","10","9","1") = "9"
    & skf18("7","6","6","2","10","10","1") = "9"
    & skf18("7","6","6","3","1","1","1") = "6"
    & skf18("7","6","6","3","1","2","1") = "6"
    & skf18("7","6","6","3","1","3","1") = "6"
    & skf18("7","6","6","3","1","4","1") = "6"
    & skf18("7","6","6","3","1","5","1") = "6"
    & skf18("7","6","6","3","1","6","1") = "6"
    & skf18("7","6","6","3","1","7","1") = "6"
    & skf18("7","6","6","3","1","8","1") = "7"
    & skf18("7","6","6","3","1","9","1") = "8"
    & skf18("7","6","6","3","1","10","1") = "9"
    & skf18("7","6","6","3","2","1","1") = "6"
    & skf18("7","6","6","3","2","2","1") = "6"
    & skf18("7","6","6","3","2","3","1") = "6"
    & skf18("7","6","6","3","2","4","1") = "6"
    & skf18("7","6","6","3","2","5","1") = "6"
    & skf18("7","6","6","3","2","6","1") = "6"
    & skf18("7","6","6","3","2","7","1") = "6"
    & skf18("7","6","6","3","2","8","1") = "7"
    & skf18("7","6","6","3","2","9","1") = "8"
    & skf18("7","6","6","3","2","10","1") = "9"
    & skf18("7","6","6","3","3","1","1") = "6"
    & skf18("7","6","6","3","3","2","1") = "6"
    & skf18("7","6","6","3","3","3","1") = "6"
    & skf18("7","6","6","3","3","4","1") = "6"
    & skf18("7","6","6","3","3","5","1") = "6"
    & skf18("7","6","6","3","3","6","1") = "6"
    & skf18("7","6","6","3","3","7","1") = "6"
    & skf18("7","6","6","3","3","8","1") = "7"
    & skf18("7","6","6","3","3","9","1") = "8"
    & skf18("7","6","6","3","3","10","1") = "9"
    & skf18("7","6","6","3","4","1","1") = "6"
    & skf18("7","6","6","3","4","2","1") = "6"
    & skf18("7","6","6","3","4","3","1") = "6"
    & skf18("7","6","6","3","4","4","1") = "6"
    & skf18("7","6","6","3","4","5","1") = "6"
    & skf18("7","6","6","3","4","6","1") = "6"
    & skf18("7","6","6","3","4","7","1") = "6"
    & skf18("7","6","6","3","4","8","1") = "7"
    & skf18("7","6","6","3","4","9","1") = "8"
    & skf18("7","6","6","3","4","10","1") = "9"
    & skf18("7","6","6","3","5","1","1") = "6"
    & skf18("7","6","6","3","5","2","1") = "6"
    & skf18("7","6","6","3","5","3","1") = "6"
    & skf18("7","6","6","3","5","4","1") = "6"
    & skf18("7","6","6","3","5","5","1") = "6"
    & skf18("7","6","6","3","5","6","1") = "6"
    & skf18("7","6","6","3","5","7","1") = "6"
    & skf18("7","6","6","3","5","8","1") = "7"
    & skf18("7","6","6","3","5","9","1") = "8"
    & skf18("7","6","6","3","5","10","1") = "9"
    & skf18("7","6","6","3","6","1","1") = "6"
    & skf18("7","6","6","3","6","2","1") = "6"
    & skf18("7","6","6","3","6","3","1") = "6"
    & skf18("7","6","6","3","6","4","1") = "6"
    & skf18("7","6","6","3","6","5","1") = "6"
    & skf18("7","6","6","3","6","6","1") = "6"
    & skf18("7","6","6","3","6","7","1") = "6"
    & skf18("7","6","6","3","6","8","1") = "7"
    & skf18("7","6","6","3","6","9","1") = "8"
    & skf18("7","6","6","3","6","10","1") = "9"
    & skf18("7","6","6","3","7","1","1") = "6"
    & skf18("7","6","6","3","7","2","1") = "6"
    & skf18("7","6","6","3","7","3","1") = "6"
    & skf18("7","6","6","3","7","4","1") = "6"
    & skf18("7","6","6","3","7","5","1") = "6"
    & skf18("7","6","6","3","7","6","1") = "6"
    & skf18("7","6","6","3","7","7","1") = "6"
    & skf18("7","6","6","3","7","8","1") = "7"
    & skf18("7","6","6","3","7","9","1") = "8"
    & skf18("7","6","6","3","7","10","1") = "9"
    & skf18("7","6","6","3","8","1","1") = "7"
    & skf18("7","6","6","3","8","2","1") = "7"
    & skf18("7","6","6","3","8","3","1") = "7"
    & skf18("7","6","6","3","8","4","1") = "7"
    & skf18("7","6","6","3","8","5","1") = "7"
    & skf18("7","6","6","3","8","6","1") = "7"
    & skf18("7","6","6","3","8","7","1") = "7"
    & skf18("7","6","6","3","8","8","1") = "7"
    & skf18("7","6","6","3","8","9","1") = "8"
    & skf18("7","6","6","3","8","10","1") = "9"
    & skf18("7","6","6","3","9","1","1") = "8"
    & skf18("7","6","6","3","9","2","1") = "8"
    & skf18("7","6","6","3","9","3","1") = "8"
    & skf18("7","6","6","3","9","4","1") = "8"
    & skf18("7","6","6","3","9","5","1") = "8"
    & skf18("7","6","6","3","9","6","1") = "8"
    & skf18("7","6","6","3","9","7","1") = "8"
    & skf18("7","6","6","3","9","8","1") = "8"
    & skf18("7","6","6","3","9","9","1") = "8"
    & skf18("7","6","6","3","9","10","1") = "9"
    & skf18("7","6","6","3","10","1","1") = "9"
    & skf18("7","6","6","3","10","2","1") = "9"
    & skf18("7","6","6","3","10","3","1") = "9"
    & skf18("7","6","6","3","10","4","1") = "9"
    & skf18("7","6","6","3","10","5","1") = "9"
    & skf18("7","6","6","3","10","6","1") = "9"
    & skf18("7","6","6","3","10","7","1") = "9"
    & skf18("7","6","6","3","10","8","1") = "9"
    & skf18("7","6","6","3","10","9","1") = "9"
    & skf18("7","6","6","3","10","10","1") = "9"
    & skf18("7","6","6","4","1","1","1") = "6"
    & skf18("7","6","6","4","1","2","1") = "6"
    & skf18("7","6","6","4","1","3","1") = "6"
    & skf18("7","6","6","4","1","4","1") = "6"
    & skf18("7","6","6","4","1","5","1") = "6"
    & skf18("7","6","6","4","1","6","1") = "6"
    & skf18("7","6","6","4","1","7","1") = "6"
    & skf18("7","6","6","4","1","8","1") = "7"
    & skf18("7","6","6","4","1","9","1") = "8"
    & skf18("7","6","6","4","1","10","1") = "9"
    & skf18("7","6","6","4","2","1","1") = "6"
    & skf18("7","6","6","4","2","2","1") = "6"
    & skf18("7","6","6","4","2","3","1") = "6"
    & skf18("7","6","6","4","2","4","1") = "6"
    & skf18("7","6","6","4","2","5","1") = "6"
    & skf18("7","6","6","4","2","6","1") = "6"
    & skf18("7","6","6","4","2","7","1") = "6"
    & skf18("7","6","6","4","2","8","1") = "7"
    & skf18("7","6","6","4","2","9","1") = "8"
    & skf18("7","6","6","4","2","10","1") = "9"
    & skf18("7","6","6","4","3","1","1") = "6"
    & skf18("7","6","6","4","3","2","1") = "6"
    & skf18("7","6","6","4","3","3","1") = "6"
    & skf18("7","6","6","4","3","4","1") = "6"
    & skf18("7","6","6","4","3","5","1") = "6"
    & skf18("7","6","6","4","3","6","1") = "6"
    & skf18("7","6","6","4","3","7","1") = "6"
    & skf18("7","6","6","4","3","8","1") = "7"
    & skf18("7","6","6","4","3","9","1") = "8"
    & skf18("7","6","6","4","3","10","1") = "9"
    & skf18("7","6","6","4","4","1","1") = "6"
    & skf18("7","6","6","4","4","2","1") = "6"
    & skf18("7","6","6","4","4","3","1") = "6"
    & skf18("7","6","6","4","4","4","1") = "6"
    & skf18("7","6","6","4","4","5","1") = "6"
    & skf18("7","6","6","4","4","6","1") = "6"
    & skf18("7","6","6","4","4","7","1") = "6"
    & skf18("7","6","6","4","4","8","1") = "6"
    & skf18("7","6","6","4","4","9","1") = "8"
    & skf18("7","6","6","4","4","10","1") = "9"
    & skf18("7","6","6","4","5","1","1") = "6"
    & skf18("7","6","6","4","5","2","1") = "6"
    & skf18("7","6","6","4","5","3","1") = "6"
    & skf18("7","6","6","4","5","4","1") = "6"
    & skf18("7","6","6","4","5","5","1") = "6"
    & skf18("7","6","6","4","5","6","1") = "6"
    & skf18("7","6","6","4","5","7","1") = "6"
    & skf18("7","6","6","4","5","8","1") = "7"
    & skf18("7","6","6","4","5","9","1") = "8"
    & skf18("7","6","6","4","5","10","1") = "9"
    & skf18("7","6","6","4","6","1","1") = "6"
    & skf18("7","6","6","4","6","2","1") = "6"
    & skf18("7","6","6","4","6","3","1") = "6"
    & skf18("7","6","6","4","6","4","1") = "6"
    & skf18("7","6","6","4","6","5","1") = "6"
    & skf18("7","6","6","4","6","6","1") = "6"
    & skf18("7","6","6","4","6","7","1") = "6"
    & skf18("7","6","6","4","6","8","1") = "7"
    & skf18("7","6","6","4","6","9","1") = "8"
    & skf18("7","6","6","4","6","10","1") = "9"
    & skf18("7","6","6","4","7","1","1") = "6"
    & skf18("7","6","6","4","7","2","1") = "6"
    & skf18("7","6","6","4","7","3","1") = "6"
    & skf18("7","6","6","4","7","4","1") = "6"
    & skf18("7","6","6","4","7","5","1") = "6"
    & skf18("7","6","6","4","7","6","1") = "6"
    & skf18("7","6","6","4","7","7","1") = "6"
    & skf18("7","6","6","4","7","8","1") = "7"
    & skf18("7","6","6","4","7","9","1") = "8"
    & skf18("7","6","6","4","7","10","1") = "9"
    & skf18("7","6","6","4","8","1","1") = "7"
    & skf18("7","6","6","4","8","2","1") = "7"
    & skf18("7","6","6","4","8","3","1") = "7"
    & skf18("7","6","6","4","8","4","1") = "7"
    & skf18("7","6","6","4","8","5","1") = "7"
    & skf18("7","6","6","4","8","6","1") = "7"
    & skf18("7","6","6","4","8","7","1") = "7"
    & skf18("7","6","6","4","8","8","1") = "7"
    & skf18("7","6","6","4","8","9","1") = "8"
    & skf18("7","6","6","4","8","10","1") = "9"
    & skf18("7","6","6","4","9","1","1") = "8"
    & skf18("7","6","6","4","9","2","1") = "8"
    & skf18("7","6","6","4","9","3","1") = "8"
    & skf18("7","6","6","4","9","4","1") = "8"
    & skf18("7","6","6","4","9","5","1") = "8"
    & skf18("7","6","6","4","9","6","1") = "8"
    & skf18("7","6","6","4","9","7","1") = "8"
    & skf18("7","6","6","4","9","8","1") = "8"
    & skf18("7","6","6","4","9","9","1") = "8"
    & skf18("7","6","6","4","9","10","1") = "9"
    & skf18("7","6","6","4","10","1","1") = "9"
    & skf18("7","6","6","4","10","2","1") = "9"
    & skf18("7","6","6","4","10","3","1") = "9"
    & skf18("7","6","6","4","10","4","1") = "9"
    & skf18("7","6","6","4","10","5","1") = "9"
    & skf18("7","6","6","4","10","6","1") = "9"
    & skf18("7","6","6","4","10","7","1") = "9"
    & skf18("7","6","6","4","10","8","1") = "9"
    & skf18("7","6","6","4","10","9","1") = "9"
    & skf18("7","6","6","4","10","10","1") = "9"
    & skf18("7","6","6","5","1","1","1") = "6"
    & skf18("7","6","6","5","1","2","1") = "6"
    & skf18("7","6","6","5","1","3","1") = "6"
    & skf18("7","6","6","5","1","4","1") = "6"
    & skf18("7","6","6","5","1","5","1") = "6"
    & skf18("7","6","6","5","1","6","1") = "6"
    & skf18("7","6","6","5","1","7","1") = "6"
    & skf18("7","6","6","5","1","8","1") = "7"
    & skf18("7","6","6","5","1","9","1") = "8"
    & skf18("7","6","6","5","1","10","1") = "9"
    & skf18("7","6","6","5","2","1","1") = "6"
    & skf18("7","6","6","5","2","2","1") = "6"
    & skf18("7","6","6","5","2","3","1") = "6"
    & skf18("7","6","6","5","2","4","1") = "6"
    & skf18("7","6","6","5","2","5","1") = "6"
    & skf18("7","6","6","5","2","6","1") = "6"
    & skf18("7","6","6","5","2","7","1") = "6"
    & skf18("7","6","6","5","2","8","1") = "7"
    & skf18("7","6","6","5","2","9","1") = "8"
    & skf18("7","6","6","5","2","10","1") = "9"
    & skf18("7","6","6","5","3","1","1") = "6"
    & skf18("7","6","6","5","3","2","1") = "6"
    & skf18("7","6","6","5","3","3","1") = "6"
    & skf18("7","6","6","5","3","4","1") = "6"
    & skf18("7","6","6","5","3","5","1") = "6"
    & skf18("7","6","6","5","3","6","1") = "6"
    & skf18("7","6","6","5","3","7","1") = "6"
    & skf18("7","6","6","5","3","8","1") = "7"
    & skf18("7","6","6","5","3","9","1") = "8"
    & skf18("7","6","6","5","3","10","1") = "9"
    & skf18("7","6","6","5","4","1","1") = "6"
    & skf18("7","6","6","5","4","2","1") = "6"
    & skf18("7","6","6","5","4","3","1") = "6"
    & skf18("7","6","6","5","4","4","1") = "6"
    & skf18("7","6","6","5","4","5","1") = "6"
    & skf18("7","6","6","5","4","6","1") = "6"
    & skf18("7","6","6","5","4","7","1") = "6"
    & skf18("7","6","6","5","4","8","1") = "7"
    & skf18("7","6","6","5","4","9","1") = "8"
    & skf18("7","6","6","5","4","10","1") = "9"
    & skf18("7","6","6","5","5","1","1") = "6"
    & skf18("7","6","6","5","5","2","1") = "6"
    & skf18("7","6","6","5","5","3","1") = "6"
    & skf18("7","6","6","5","5","4","1") = "6"
    & skf18("7","6","6","5","5","5","1") = "6"
    & skf18("7","6","6","5","5","6","1") = "6"
    & skf18("7","6","6","5","5","7","1") = "6"
    & skf18("7","6","6","5","5","8","1") = "7"
    & skf18("7","6","6","5","5","9","1") = "8"
    & skf18("7","6","6","5","5","10","1") = "9"
    & skf18("7","6","6","5","6","1","1") = "6"
    & skf18("7","6","6","5","6","2","1") = "6"
    & skf18("7","6","6","5","6","3","1") = "6"
    & skf18("7","6","6","5","6","4","1") = "6"
    & skf18("7","6","6","5","6","5","1") = "6"
    & skf18("7","6","6","5","6","6","1") = "6"
    & skf18("7","6","6","5","6","7","1") = "6"
    & skf18("7","6","6","5","6","8","1") = "7"
    & skf18("7","6","6","5","6","9","1") = "8"
    & skf18("7","6","6","5","6","10","1") = "9"
    & skf18("7","6","6","5","7","1","1") = "6"
    & skf18("7","6","6","5","7","2","1") = "6"
    & skf18("7","6","6","5","7","3","1") = "6"
    & skf18("7","6","6","5","7","4","1") = "6"
    & skf18("7","6","6","5","7","5","1") = "6"
    & skf18("7","6","6","5","7","6","1") = "6"
    & skf18("7","6","6","5","7","7","1") = "6"
    & skf18("7","6","6","5","7","8","1") = "7"
    & skf18("7","6","6","5","7","9","1") = "8"
    & skf18("7","6","6","5","7","10","1") = "9"
    & skf18("7","6","6","5","8","1","1") = "7"
    & skf18("7","6","6","5","8","2","1") = "7"
    & skf18("7","6","6","5","8","3","1") = "7"
    & skf18("7","6","6","5","8","4","1") = "7"
    & skf18("7","6","6","5","8","5","1") = "7"
    & skf18("7","6","6","5","8","6","1") = "7"
    & skf18("7","6","6","5","8","7","1") = "7"
    & skf18("7","6","6","5","8","8","1") = "7"
    & skf18("7","6","6","5","8","9","1") = "8"
    & skf18("7","6","6","5","8","10","1") = "9"
    & skf18("7","6","6","5","9","1","1") = "8"
    & skf18("7","6","6","5","9","2","1") = "8"
    & skf18("7","6","6","5","9","3","1") = "8"
    & skf18("7","6","6","5","9","4","1") = "8"
    & skf18("7","6","6","5","9","5","1") = "8"
    & skf18("7","6","6","5","9","6","1") = "8"
    & skf18("7","6","6","5","9","7","1") = "8"
    & skf18("7","6","6","5","9","8","1") = "8"
    & skf18("7","6","6","5","9","9","1") = "8"
    & skf18("7","6","6","5","9","10","1") = "9"
    & skf18("7","6","6","5","10","1","1") = "9"
    & skf18("7","6","6","5","10","2","1") = "9"
    & skf18("7","6","6","5","10","3","1") = "9"
    & skf18("7","6","6","5","10","4","1") = "9"
    & skf18("7","6","6","5","10","5","1") = "9"
    & skf18("7","6","6","5","10","6","1") = "9"
    & skf18("7","6","6","5","10","7","1") = "9"
    & skf18("7","6","6","5","10","8","1") = "9"
    & skf18("7","6","6","5","10","9","1") = "9"
    & skf18("7","6","6","5","10","10","1") = "9"
    & skf18("7","6","6","6","1","1","1") = "6"
    & skf18("7","6","6","6","1","2","1") = "6"
    & skf18("7","6","6","6","1","3","1") = "6"
    & skf18("7","6","6","6","1","4","1") = "6"
    & skf18("7","6","6","6","1","5","1") = "6"
    & skf18("7","6","6","6","1","6","1") = "6"
    & skf18("7","6","6","6","1","7","1") = "6"
    & skf18("7","6","6","6","1","8","1") = "7"
    & skf18("7","6","6","6","1","9","1") = "8"
    & skf18("7","6","6","6","1","10","1") = "9"
    & skf18("7","6","6","6","2","1","1") = "6"
    & skf18("7","6","6","6","2","2","1") = "6"
    & skf18("7","6","6","6","2","3","1") = "6"
    & skf18("7","6","6","6","2","4","1") = "6"
    & skf18("7","6","6","6","2","5","1") = "6"
    & skf18("7","6","6","6","2","6","1") = "6"
    & skf18("7","6","6","6","2","7","1") = "6"
    & skf18("7","6","6","6","2","8","1") = "7"
    & skf18("7","6","6","6","2","9","1") = "8"
    & skf18("7","6","6","6","2","10","1") = "9"
    & skf18("7","6","6","6","3","1","1") = "6"
    & skf18("7","6","6","6","3","2","1") = "6"
    & skf18("7","6","6","6","3","3","1") = "6"
    & skf18("7","6","6","6","3","4","1") = "6"
    & skf18("7","6","6","6","3","5","1") = "6"
    & skf18("7","6","6","6","3","6","1") = "6"
    & skf18("7","6","6","6","3","7","1") = "6"
    & skf18("7","6","6","6","3","8","1") = "7"
    & skf18("7","6","6","6","3","9","1") = "8"
    & skf18("7","6","6","6","3","10","1") = "9"
    & skf18("7","6","6","6","4","1","1") = "6"
    & skf18("7","6","6","6","4","2","1") = "6"
    & skf18("7","6","6","6","4","3","1") = "6"
    & skf18("7","6","6","6","4","4","1") = "6"
    & skf18("7","6","6","6","4","5","1") = "6"
    & skf18("7","6","6","6","4","6","1") = "6"
    & skf18("7","6","6","6","4","7","1") = "6"
    & skf18("7","6","6","6","4","8","1") = "7"
    & skf18("7","6","6","6","4","9","1") = "8"
    & skf18("7","6","6","6","4","10","1") = "9"
    & skf18("7","6","6","6","5","1","1") = "6"
    & skf18("7","6","6","6","5","2","1") = "6"
    & skf18("7","6","6","6","5","3","1") = "6"
    & skf18("7","6","6","6","5","4","1") = "6"
    & skf18("7","6","6","6","5","5","1") = "6"
    & skf18("7","6","6","6","5","6","1") = "6"
    & skf18("7","6","6","6","5","7","1") = "6"
    & skf18("7","6","6","6","5","8","1") = "7"
    & skf18("7","6","6","6","5","9","1") = "8"
    & skf18("7","6","6","6","5","10","1") = "9"
    & skf18("7","6","6","6","6","1","1") = "6"
    & skf18("7","6","6","6","6","2","1") = "6"
    & skf18("7","6","6","6","6","3","1") = "6"
    & skf18("7","6","6","6","6","4","1") = "6"
    & skf18("7","6","6","6","6","5","1") = "6"
    & skf18("7","6","6","6","6","6","1") = "6"
    & skf18("7","6","6","6","6","7","1") = "6"
    & skf18("7","6","6","6","6","8","1") = "7"
    & skf18("7","6","6","6","6","9","1") = "8"
    & skf18("7","6","6","6","6","10","1") = "9"
    & skf18("7","6","6","6","7","1","1") = "6"
    & skf18("7","6","6","6","7","2","1") = "6"
    & skf18("7","6","6","6","7","3","1") = "6"
    & skf18("7","6","6","6","7","4","1") = "6"
    & skf18("7","6","6","6","7","5","1") = "6"
    & skf18("7","6","6","6","7","6","1") = "6"
    & skf18("7","6","6","6","7","7","1") = "6"
    & skf18("7","6","6","6","7","8","1") = "7"
    & skf18("7","6","6","6","7","9","1") = "8"
    & skf18("7","6","6","6","7","10","1") = "9"
    & skf18("7","6","6","6","8","1","1") = "7"
    & skf18("7","6","6","6","8","2","1") = "7"
    & skf18("7","6","6","6","8","3","1") = "7"
    & skf18("7","6","6","6","8","4","1") = "7"
    & skf18("7","6","6","6","8","5","1") = "7"
    & skf18("7","6","6","6","8","6","1") = "7"
    & skf18("7","6","6","6","8","7","1") = "7"
    & skf18("7","6","6","6","8","8","1") = "7"
    & skf18("7","6","6","6","8","9","1") = "8"
    & skf18("7","6","6","6","8","10","1") = "9"
    & skf18("7","6","6","6","9","1","1") = "8"
    & skf18("7","6","6","6","9","2","1") = "8"
    & skf18("7","6","6","6","9","3","1") = "8"
    & skf18("7","6","6","6","9","4","1") = "8"
    & skf18("7","6","6","6","9","5","1") = "8"
    & skf18("7","6","6","6","9","6","1") = "8"
    & skf18("7","6","6","6","9","7","1") = "8"
    & skf18("7","6","6","6","9","8","1") = "8"
    & skf18("7","6","6","6","9","9","1") = "8"
    & skf18("7","6","6","6","9","10","1") = "9"
    & skf18("7","6","6","6","10","1","1") = "9"
    & skf18("7","6","6","6","10","2","1") = "9"
    & skf18("7","6","6","6","10","3","1") = "9"
    & skf18("7","6","6","6","10","4","1") = "9"
    & skf18("7","6","6","6","10","5","1") = "9"
    & skf18("7","6","6","6","10","6","1") = "9"
    & skf18("7","6","6","6","10","7","1") = "9"
    & skf18("7","6","6","6","10","8","1") = "9"
    & skf18("7","6","6","6","10","9","1") = "9"
    & skf18("7","6","6","6","10","10","1") = "9"
    & skf18("7","6","6","7","1","1","1") = "6"
    & skf18("7","6","6","7","1","2","1") = "6"
    & skf18("7","6","6","7","1","3","1") = "6"
    & skf18("7","6","6","7","1","4","1") = "6"
    & skf18("7","6","6","7","1","5","1") = "6"
    & skf18("7","6","6","7","1","6","1") = "6"
    & skf18("7","6","6","7","1","7","1") = "6"
    & skf18("7","6","6","7","1","8","1") = "7"
    & skf18("7","6","6","7","1","9","1") = "8"
    & skf18("7","6","6","7","1","10","1") = "9"
    & skf18("7","6","6","7","2","1","1") = "6"
    & skf18("7","6","6","7","2","2","1") = "6"
    & skf18("7","6","6","7","2","3","1") = "6"
    & skf18("7","6","6","7","2","4","1") = "6"
    & skf18("7","6","6","7","2","5","1") = "6"
    & skf18("7","6","6","7","2","6","1") = "6"
    & skf18("7","6","6","7","2","7","1") = "6"
    & skf18("7","6","6","7","2","8","1") = "7"
    & skf18("7","6","6","7","2","9","1") = "8"
    & skf18("7","6","6","7","2","10","1") = "9"
    & skf18("7","6","6","7","3","1","1") = "6"
    & skf18("7","6","6","7","3","2","1") = "6"
    & skf18("7","6","6","7","3","3","1") = "6"
    & skf18("7","6","6","7","3","4","1") = "6"
    & skf18("7","6","6","7","3","5","1") = "6"
    & skf18("7","6","6","7","3","6","1") = "6"
    & skf18("7","6","6","7","3","7","1") = "6"
    & skf18("7","6","6","7","3","8","1") = "7"
    & skf18("7","6","6","7","3","9","1") = "8"
    & skf18("7","6","6","7","3","10","1") = "9"
    & skf18("7","6","6","7","4","1","1") = "6"
    & skf18("7","6","6","7","4","2","1") = "6"
    & skf18("7","6","6","7","4","3","1") = "6"
    & skf18("7","6","6","7","4","4","1") = "6"
    & skf18("7","6","6","7","4","5","1") = "6"
    & skf18("7","6","6","7","4","6","1") = "6"
    & skf18("7","6","6","7","4","7","1") = "6"
    & skf18("7","6","6","7","4","8","1") = "7"
    & skf18("7","6","6","7","4","9","1") = "8"
    & skf18("7","6","6","7","4","10","1") = "9"
    & skf18("7","6","6","7","5","1","1") = "6"
    & skf18("7","6","6","7","5","2","1") = "6"
    & skf18("7","6","6","7","5","3","1") = "6"
    & skf18("7","6","6","7","5","4","1") = "6"
    & skf18("7","6","6","7","5","5","1") = "6"
    & skf18("7","6","6","7","5","6","1") = "6"
    & skf18("7","6","6","7","5","7","1") = "6"
    & skf18("7","6","6","7","5","8","1") = "7"
    & skf18("7","6","6","7","5","9","1") = "8"
    & skf18("7","6","6","7","5","10","1") = "9"
    & skf18("7","6","6","7","6","1","1") = "6"
    & skf18("7","6","6","7","6","2","1") = "6"
    & skf18("7","6","6","7","6","3","1") = "6"
    & skf18("7","6","6","7","6","4","1") = "6"
    & skf18("7","6","6","7","6","5","1") = "6"
    & skf18("7","6","6","7","6","6","1") = "6"
    & skf18("7","6","6","7","6","7","1") = "6"
    & skf18("7","6","6","7","6","8","1") = "7"
    & skf18("7","6","6","7","6","9","1") = "8"
    & skf18("7","6","6","7","6","10","1") = "9"
    & skf18("7","6","6","7","7","1","1") = "6"
    & skf18("7","6","6","7","7","2","1") = "6"
    & skf18("7","6","6","7","7","3","1") = "6"
    & skf18("7","6","6","7","7","4","1") = "6"
    & skf18("7","6","6","7","7","5","1") = "6"
    & skf18("7","6","6","7","7","6","1") = "6"
    & skf18("7","6","6","7","7","7","1") = "6"
    & skf18("7","6","6","7","7","8","1") = "7"
    & skf18("7","6","6","7","7","9","1") = "8"
    & skf18("7","6","6","7","7","10","1") = "9"
    & skf18("7","6","6","7","8","1","1") = "7"
    & skf18("7","6","6","7","8","2","1") = "7"
    & skf18("7","6","6","7","8","3","1") = "7"
    & skf18("7","6","6","7","8","4","1") = "7"
    & skf18("7","6","6","7","8","5","1") = "7"
    & skf18("7","6","6","7","8","6","1") = "7"
    & skf18("7","6","6","7","8","7","1") = "7"
    & skf18("7","6","6","7","8","8","1") = "7"
    & skf18("7","6","6","7","8","9","1") = "8"
    & skf18("7","6","6","7","8","10","1") = "9"
    & skf18("7","6","6","7","9","1","1") = "8"
    & skf18("7","6","6","7","9","2","1") = "8"
    & skf18("7","6","6","7","9","3","1") = "8"
    & skf18("7","6","6","7","9","4","1") = "8"
    & skf18("7","6","6","7","9","5","1") = "8"
    & skf18("7","6","6","7","9","6","1") = "8"
    & skf18("7","6","6","7","9","7","1") = "8"
    & skf18("7","6","6","7","9","8","1") = "8"
    & skf18("7","6","6","7","9","9","1") = "8"
    & skf18("7","6","6","7","9","10","1") = "9"
    & skf18("7","6","6","7","10","1","1") = "9"
    & skf18("7","6","6","7","10","2","1") = "9"
    & skf18("7","6","6","7","10","3","1") = "9"
    & skf18("7","6","6","7","10","4","1") = "9"
    & skf18("7","6","6","7","10","5","1") = "9"
    & skf18("7","6","6","7","10","6","1") = "9"
    & skf18("7","6","6","7","10","7","1") = "9"
    & skf18("7","6","6","7","10","8","1") = "9"
    & skf18("7","6","6","7","10","9","1") = "9"
    & skf18("7","6","6","7","10","10","1") = "9"
    & skf18("7","6","6","8","1","1","1") = "7"
    & skf18("7","6","6","8","1","2","1") = "7"
    & skf18("7","6","6","8","1","3","1") = "7"
    & skf18("7","6","6","8","1","4","1") = "7"
    & skf18("7","6","6","8","1","5","1") = "7"
    & skf18("7","6","6","8","1","6","1") = "7"
    & skf18("7","6","6","8","1","7","1") = "7"
    & skf18("7","6","6","8","1","8","1") = "7"
    & skf18("7","6","6","8","1","9","1") = "8"
    & skf18("7","6","6","8","1","10","1") = "9"
    & skf18("7","6","6","8","2","1","1") = "7"
    & skf18("7","6","6","8","2","2","1") = "7"
    & skf18("7","6","6","8","2","3","1") = "7"
    & skf18("7","6","6","8","2","4","1") = "7"
    & skf18("7","6","6","8","2","5","1") = "7"
    & skf18("7","6","6","8","2","6","1") = "7"
    & skf18("7","6","6","8","2","7","1") = "7"
    & skf18("7","6","6","8","2","8","1") = "7"
    & skf18("7","6","6","8","2","9","1") = "8"
    & skf18("7","6","6","8","2","10","1") = "9"
    & skf18("7","6","6","8","3","1","1") = "7"
    & skf18("7","6","6","8","3","2","1") = "7"
    & skf18("7","6","6","8","3","3","1") = "7"
    & skf18("7","6","6","8","3","4","1") = "7"
    & skf18("7","6","6","8","3","5","1") = "7"
    & skf18("7","6","6","8","3","6","1") = "7"
    & skf18("7","6","6","8","3","7","1") = "7"
    & skf18("7","6","6","8","3","8","1") = "7"
    & skf18("7","6","6","8","3","9","1") = "8"
    & skf18("7","6","6","8","3","10","1") = "9"
    & skf18("7","6","6","8","4","1","1") = "7"
    & skf18("7","6","6","8","4","2","1") = "7"
    & skf18("7","6","6","8","4","3","1") = "7"
    & skf18("7","6","6","8","4","4","1") = "7"
    & skf18("7","6","6","8","4","5","1") = "7"
    & skf18("7","6","6","8","4","6","1") = "7"
    & skf18("7","6","6","8","4","7","1") = "7"
    & skf18("7","6","6","8","4","8","1") = "7"
    & skf18("7","6","6","8","4","9","1") = "8"
    & skf18("7","6","6","8","4","10","1") = "9"
    & skf18("7","6","6","8","5","1","1") = "7"
    & skf18("7","6","6","8","5","2","1") = "7"
    & skf18("7","6","6","8","5","3","1") = "7"
    & skf18("7","6","6","8","5","4","1") = "7"
    & skf18("7","6","6","8","5","5","1") = "7"
    & skf18("7","6","6","8","5","6","1") = "7"
    & skf18("7","6","6","8","5","7","1") = "7"
    & skf18("7","6","6","8","5","8","1") = "7"
    & skf18("7","6","6","8","5","9","1") = "8"
    & skf18("7","6","6","8","5","10","1") = "9"
    & skf18("7","6","6","8","6","1","1") = "7"
    & skf18("7","6","6","8","6","2","1") = "7"
    & skf18("7","6","6","8","6","3","1") = "7"
    & skf18("7","6","6","8","6","4","1") = "7"
    & skf18("7","6","6","8","6","5","1") = "7"
    & skf18("7","6","6","8","6","6","1") = "7"
    & skf18("7","6","6","8","6","7","1") = "7"
    & skf18("7","6","6","8","6","8","1") = "7"
    & skf18("7","6","6","8","6","9","1") = "8"
    & skf18("7","6","6","8","6","10","1") = "9"
    & skf18("7","6","6","8","7","1","1") = "7"
    & skf18("7","6","6","8","7","2","1") = "7"
    & skf18("7","6","6","8","7","3","1") = "7"
    & skf18("7","6","6","8","7","4","1") = "7"
    & skf18("7","6","6","8","7","5","1") = "7"
    & skf18("7","6","6","8","7","6","1") = "7"
    & skf18("7","6","6","8","7","7","1") = "7"
    & skf18("7","6","6","8","7","8","1") = "7"
    & skf18("7","6","6","8","7","9","1") = "8"
    & skf18("7","6","6","8","7","10","1") = "9"
    & skf18("7","6","6","8","8","1","1") = "7"
    & skf18("7","6","6","8","8","2","1") = "7"
    & skf18("7","6","6","8","8","3","1") = "7"
    & skf18("7","6","6","8","8","4","1") = "7"
    & skf18("7","6","6","8","8","5","1") = "7"
    & skf18("7","6","6","8","8","6","1") = "7"
    & skf18("7","6","6","8","8","7","1") = "7"
    & skf18("7","6","6","8","8","8","1") = "7"
    & skf18("7","6","6","8","8","9","1") = "8"
    & skf18("7","6","6","8","8","10","1") = "9"
    & skf18("7","6","6","8","9","1","1") = "8"
    & skf18("7","6","6","8","9","2","1") = "8"
    & skf18("7","6","6","8","9","3","1") = "8"
    & skf18("7","6","6","8","9","4","1") = "8"
    & skf18("7","6","6","8","9","5","1") = "8"
    & skf18("7","6","6","8","9","6","1") = "8"
    & skf18("7","6","6","8","9","7","1") = "8"
    & skf18("7","6","6","8","9","8","1") = "8"
    & skf18("7","6","6","8","9","9","1") = "8"
    & skf18("7","6","6","8","9","10","1") = "9"
    & skf18("7","6","6","8","10","1","1") = "9"
    & skf18("7","6","6","8","10","2","1") = "9"
    & skf18("7","6","6","8","10","3","1") = "9"
    & skf18("7","6","6","8","10","4","1") = "9"
    & skf18("7","6","6","8","10","5","1") = "9"
    & skf18("7","6","6","8","10","6","1") = "9"
    & skf18("7","6","6","8","10","7","1") = "9"
    & skf18("7","6","6","8","10","8","1") = "9"
    & skf18("7","6","6","8","10","9","1") = "9"
    & skf18("7","6","6","8","10","10","1") = "9"
    & skf18("7","6","6","9","1","1","1") = "8"
    & skf18("7","6","6","9","1","2","1") = "8"
    & skf18("7","6","6","9","1","3","1") = "8"
    & skf18("7","6","6","9","1","4","1") = "8"
    & skf18("7","6","6","9","1","5","1") = "8"
    & skf18("7","6","6","9","1","6","1") = "8"
    & skf18("7","6","6","9","1","7","1") = "8"
    & skf18("7","6","6","9","1","8","1") = "8"
    & skf18("7","6","6","9","1","9","1") = "8"
    & skf18("7","6","6","9","1","10","1") = "9"
    & skf18("7","6","6","9","2","1","1") = "8"
    & skf18("7","6","6","9","2","2","1") = "8"
    & skf18("7","6","6","9","2","3","1") = "8"
    & skf18("7","6","6","9","2","4","1") = "8"
    & skf18("7","6","6","9","2","5","1") = "8"
    & skf18("7","6","6","9","2","6","1") = "8"
    & skf18("7","6","6","9","2","7","1") = "8"
    & skf18("7","6","6","9","2","8","1") = "8"
    & skf18("7","6","6","9","2","9","1") = "8"
    & skf18("7","6","6","9","2","10","1") = "9"
    & skf18("7","6","6","9","3","1","1") = "8"
    & skf18("7","6","6","9","3","2","1") = "8"
    & skf18("7","6","6","9","3","3","1") = "8"
    & skf18("7","6","6","9","3","4","1") = "8"
    & skf18("7","6","6","9","3","5","1") = "8"
    & skf18("7","6","6","9","3","6","1") = "8"
    & skf18("7","6","6","9","3","7","1") = "8"
    & skf18("7","6","6","9","3","8","1") = "8"
    & skf18("7","6","6","9","3","9","1") = "8"
    & skf18("7","6","6","9","3","10","1") = "9"
    & skf18("7","6","6","9","4","1","1") = "8"
    & skf18("7","6","6","9","4","2","1") = "8"
    & skf18("7","6","6","9","4","3","1") = "8"
    & skf18("7","6","6","9","4","4","1") = "8"
    & skf18("7","6","6","9","4","5","1") = "8"
    & skf18("7","6","6","9","4","6","1") = "8"
    & skf18("7","6","6","9","4","7","1") = "8"
    & skf18("7","6","6","9","4","8","1") = "8"
    & skf18("7","6","6","9","4","9","1") = "8"
    & skf18("7","6","6","9","4","10","1") = "9"
    & skf18("7","6","6","9","5","1","1") = "8"
    & skf18("7","6","6","9","5","2","1") = "8"
    & skf18("7","6","6","9","5","3","1") = "8"
    & skf18("7","6","6","9","5","4","1") = "8"
    & skf18("7","6","6","9","5","5","1") = "8"
    & skf18("7","6","6","9","5","6","1") = "8"
    & skf18("7","6","6","9","5","7","1") = "8"
    & skf18("7","6","6","9","5","8","1") = "8"
    & skf18("7","6","6","9","5","9","1") = "8"
    & skf18("7","6","6","9","5","10","1") = "9"
    & skf18("7","6","6","9","6","1","1") = "8"
    & skf18("7","6","6","9","6","2","1") = "8"
    & skf18("7","6","6","9","6","3","1") = "8"
    & skf18("7","6","6","9","6","4","1") = "8"
    & skf18("7","6","6","9","6","5","1") = "8"
    & skf18("7","6","6","9","6","6","1") = "8"
    & skf18("7","6","6","9","6","7","1") = "8"
    & skf18("7","6","6","9","6","8","1") = "8"
    & skf18("7","6","6","9","6","9","1") = "8"
    & skf18("7","6","6","9","6","10","1") = "9"
    & skf18("7","6","6","9","7","1","1") = "8"
    & skf18("7","6","6","9","7","2","1") = "8"
    & skf18("7","6","6","9","7","3","1") = "8"
    & skf18("7","6","6","9","7","4","1") = "8"
    & skf18("7","6","6","9","7","5","1") = "8"
    & skf18("7","6","6","9","7","6","1") = "8"
    & skf18("7","6","6","9","7","7","1") = "8"
    & skf18("7","6","6","9","7","8","1") = "8"
    & skf18("7","6","6","9","7","9","1") = "8"
    & skf18("7","6","6","9","7","10","1") = "9"
    & skf18("7","6","6","9","8","1","1") = "8"
    & skf18("7","6","6","9","8","2","1") = "8"
    & skf18("7","6","6","9","8","3","1") = "8"
    & skf18("7","6","6","9","8","4","1") = "8"
    & skf18("7","6","6","9","8","5","1") = "8"
    & skf18("7","6","6","9","8","6","1") = "8"
    & skf18("7","6","6","9","8","7","1") = "8"
    & skf18("7","6","6","9","8","8","1") = "8"
    & skf18("7","6","6","9","8","9","1") = "8"
    & skf18("7","6","6","9","8","10","1") = "9"
    & skf18("7","6","6","9","9","1","1") = "8"
    & skf18("7","6","6","9","9","2","1") = "8"
    & skf18("7","6","6","9","9","3","1") = "8"
    & skf18("7","6","6","9","9","4","1") = "8"
    & skf18("7","6","6","9","9","5","1") = "8"
    & skf18("7","6","6","9","9","6","1") = "8"
    & skf18("7","6","6","9","9","7","1") = "8"
    & skf18("7","6","6","9","9","8","1") = "8"
    & skf18("7","6","6","9","9","9","1") = "8"
    & skf18("7","6","6","9","9","10","1") = "9"
    & skf18("7","6","6","9","10","1","1") = "9"
    & skf18("7","6","6","9","10","2","1") = "9"
    & skf18("7","6","6","9","10","3","1") = "9"
    & skf18("7","6","6","9","10","4","1") = "9"
    & skf18("7","6","6","9","10","5","1") = "9"
    & skf18("7","6","6","9","10","6","1") = "9"
    & skf18("7","6","6","9","10","7","1") = "9"
    & skf18("7","6","6","9","10","8","1") = "9"
    & skf18("7","6","6","9","10","9","1") = "9"
    & skf18("7","6","6","9","10","10","1") = "9"
    & skf18("7","6","6","10","1","1","1") = "9"
    & skf18("7","6","6","10","1","2","1") = "9"
    & skf18("7","6","6","10","1","3","1") = "9"
    & skf18("7","6","6","10","1","4","1") = "9"
    & skf18("7","6","6","10","1","5","1") = "9"
    & skf18("7","6","6","10","1","6","1") = "9"
    & skf18("7","6","6","10","1","7","1") = "9"
    & skf18("7","6","6","10","1","8","1") = "9"
    & skf18("7","6","6","10","1","9","1") = "9"
    & skf18("7","6","6","10","1","10","1") = "9"
    & skf18("7","6","6","10","2","1","1") = "9"
    & skf18("7","6","6","10","2","2","1") = "9"
    & skf18("7","6","6","10","2","3","1") = "9"
    & skf18("7","6","6","10","2","4","1") = "9"
    & skf18("7","6","6","10","2","5","1") = "9"
    & skf18("7","6","6","10","2","6","1") = "9"
    & skf18("7","6","6","10","2","7","1") = "9"
    & skf18("7","6","6","10","2","8","1") = "9"
    & skf18("7","6","6","10","2","9","1") = "9"
    & skf18("7","6","6","10","2","10","1") = "9"
    & skf18("7","6","6","10","3","1","1") = "9"
    & skf18("7","6","6","10","3","2","1") = "9"
    & skf18("7","6","6","10","3","3","1") = "9"
    & skf18("7","6","6","10","3","4","1") = "9"
    & skf18("7","6","6","10","3","5","1") = "9"
    & skf18("7","6","6","10","3","6","1") = "9"
    & skf18("7","6","6","10","3","7","1") = "9"
    & skf18("7","6","6","10","3","8","1") = "9"
    & skf18("7","6","6","10","3","9","1") = "9"
    & skf18("7","6","6","10","3","10","1") = "9"
    & skf18("7","6","6","10","4","1","1") = "9"
    & skf18("7","6","6","10","4","2","1") = "9"
    & skf18("7","6","6","10","4","3","1") = "9"
    & skf18("7","6","6","10","4","4","1") = "9"
    & skf18("7","6","6","10","4","5","1") = "9"
    & skf18("7","6","6","10","4","6","1") = "9"
    & skf18("7","6","6","10","4","7","1") = "9"
    & skf18("7","6","6","10","4","8","1") = "9"
    & skf18("7","6","6","10","4","9","1") = "9"
    & skf18("7","6","6","10","4","10","1") = "9"
    & skf18("7","6","6","10","5","1","1") = "9"
    & skf18("7","6","6","10","5","2","1") = "9"
    & skf18("7","6","6","10","5","3","1") = "9"
    & skf18("7","6","6","10","5","4","1") = "9"
    & skf18("7","6","6","10","5","5","1") = "9"
    & skf18("7","6","6","10","5","6","1") = "9"
    & skf18("7","6","6","10","5","7","1") = "9"
    & skf18("7","6","6","10","5","8","1") = "9"
    & skf18("7","6","6","10","5","9","1") = "9"
    & skf18("7","6","6","10","5","10","1") = "9"
    & skf18("7","6","6","10","6","1","1") = "9"
    & skf18("7","6","6","10","6","2","1") = "9"
    & skf18("7","6","6","10","6","3","1") = "9"
    & skf18("7","6","6","10","6","4","1") = "9"
    & skf18("7","6","6","10","6","5","1") = "9"
    & skf18("7","6","6","10","6","6","1") = "9"
    & skf18("7","6","6","10","6","7","1") = "9"
    & skf18("7","6","6","10","6","8","1") = "9"
    & skf18("7","6","6","10","6","9","1") = "9"
    & skf18("7","6","6","10","6","10","1") = "9"
    & skf18("7","6","6","10","7","1","1") = "9"
    & skf18("7","6","6","10","7","2","1") = "9"
    & skf18("7","6","6","10","7","3","1") = "9"
    & skf18("7","6","6","10","7","4","1") = "9"
    & skf18("7","6","6","10","7","5","1") = "9"
    & skf18("7","6","6","10","7","6","1") = "9"
    & skf18("7","6","6","10","7","7","1") = "9"
    & skf18("7","6","6","10","7","8","1") = "9"
    & skf18("7","6","6","10","7","9","1") = "9"
    & skf18("7","6","6","10","7","10","1") = "9"
    & skf18("7","6","6","10","8","1","1") = "9"
    & skf18("7","6","6","10","8","2","1") = "9"
    & skf18("7","6","6","10","8","3","1") = "9"
    & skf18("7","6","6","10","8","4","1") = "9"
    & skf18("7","6","6","10","8","5","1") = "9"
    & skf18("7","6","6","10","8","6","1") = "9"
    & skf18("7","6","6","10","8","7","1") = "9"
    & skf18("7","6","6","10","8","8","1") = "9"
    & skf18("7","6","6","10","8","9","1") = "9"
    & skf18("7","6","6","10","8","10","1") = "9"
    & skf18("7","6","6","10","9","1","1") = "9"
    & skf18("7","6","6","10","9","2","1") = "9"
    & skf18("7","6","6","10","9","3","1") = "9"
    & skf18("7","6","6","10","9","4","1") = "9"
    & skf18("7","6","6","10","9","5","1") = "9"
    & skf18("7","6","6","10","9","6","1") = "9"
    & skf18("7","6","6","10","9","7","1") = "9"
    & skf18("7","6","6","10","9","8","1") = "9"
    & skf18("7","6","6","10","9","9","1") = "9"
    & skf18("7","6","6","10","9","10","1") = "9"
    & skf18("7","6","6","10","10","1","1") = "9"
    & skf18("7","6","6","10","10","2","1") = "9"
    & skf18("7","6","6","10","10","3","1") = "9"
    & skf18("7","6","6","10","10","4","1") = "9"
    & skf18("7","6","6","10","10","5","1") = "9"
    & skf18("7","6","6","10","10","6","1") = "9"
    & skf18("7","6","6","10","10","7","1") = "9"
    & skf18("7","6","6","10","10","8","1") = "9"
    & skf18("7","6","6","10","10","9","1") = "9"
    & skf18("7","6","6","10","10","10","1") = "9"
    & skf18("7","6","7","1","1","1","1") = "6"
    & skf18("7","6","7","1","1","2","1") = "6"
    & skf18("7","6","7","1","1","3","1") = "6"
    & skf18("7","6","7","1","1","4","1") = "6"
    & skf18("7","6","7","1","1","5","1") = "6"
    & skf18("7","6","7","1","1","6","1") = "6"
    & skf18("7","6","7","1","1","7","1") = "6"
    & skf18("7","6","7","1","1","8","1") = "7"
    & skf18("7","6","7","1","1","9","1") = "8"
    & skf18("7","6","7","1","1","10","1") = "9"
    & skf18("7","6","7","1","2","1","1") = "6"
    & skf18("7","6","7","1","2","2","1") = "6"
    & skf18("7","6","7","1","2","3","1") = "6"
    & skf18("7","6","7","1","2","4","1") = "6"
    & skf18("7","6","7","1","2","5","1") = "6"
    & skf18("7","6","7","1","2","6","1") = "6"
    & skf18("7","6","7","1","2","7","1") = "6"
    & skf18("7","6","7","1","2","8","1") = "7"
    & skf18("7","6","7","1","2","9","1") = "8"
    & skf18("7","6","7","1","2","10","1") = "9"
    & skf18("7","6","7","1","3","1","1") = "6"
    & skf18("7","6","7","1","3","2","1") = "6"
    & skf18("7","6","7","1","3","3","1") = "6"
    & skf18("7","6","7","1","3","4","1") = "6"
    & skf18("7","6","7","1","3","5","1") = "6"
    & skf18("7","6","7","1","3","6","1") = "6"
    & skf18("7","6","7","1","3","7","1") = "6"
    & skf18("7","6","7","1","3","8","1") = "7"
    & skf18("7","6","7","1","3","9","1") = "8"
    & skf18("7","6","7","1","3","10","1") = "9"
    & skf18("7","6","7","1","4","1","1") = "6"
    & skf18("7","6","7","1","4","2","1") = "6"
    & skf18("7","6","7","1","4","3","1") = "6"
    & skf18("7","6","7","1","4","4","1") = "6"
    & skf18("7","6","7","1","4","5","1") = "6"
    & skf18("7","6","7","1","4","6","1") = "6"
    & skf18("7","6","7","1","4","7","1") = "6"
    & skf18("7","6","7","1","4","8","1") = "7"
    & skf18("7","6","7","1","4","9","1") = "8"
    & skf18("7","6","7","1","4","10","1") = "9"
    & skf18("7","6","7","1","5","1","1") = "6"
    & skf18("7","6","7","1","5","2","1") = "6"
    & skf18("7","6","7","1","5","3","1") = "6"
    & skf18("7","6","7","1","5","4","1") = "6"
    & skf18("7","6","7","1","5","5","1") = "6"
    & skf18("7","6","7","1","5","6","1") = "6"
    & skf18("7","6","7","1","5","7","1") = "6"
    & skf18("7","6","7","1","5","8","1") = "7"
    & skf18("7","6","7","1","5","9","1") = "8"
    & skf18("7","6","7","1","5","10","1") = "9"
    & skf18("7","6","7","1","6","1","1") = "6"
    & skf18("7","6","7","1","6","2","1") = "6"
    & skf18("7","6","7","1","6","3","1") = "6"
    & skf18("7","6","7","1","6","4","1") = "6"
    & skf18("7","6","7","1","6","5","1") = "6"
    & skf18("7","6","7","1","6","6","1") = "6"
    & skf18("7","6","7","1","6","7","1") = "6"
    & skf18("7","6","7","1","6","8","1") = "7"
    & skf18("7","6","7","1","6","9","1") = "8"
    & skf18("7","6","7","1","6","10","1") = "9"
    & skf18("7","6","7","1","7","1","1") = "6"
    & skf18("7","6","7","1","7","2","1") = "6"
    & skf18("7","6","7","1","7","3","1") = "6"
    & skf18("7","6","7","1","7","4","1") = "6"
    & skf18("7","6","7","1","7","5","1") = "6"
    & skf18("7","6","7","1","7","6","1") = "6"
    & skf18("7","6","7","1","7","7","1") = "6"
    & skf18("7","6","7","1","7","8","1") = "7"
    & skf18("7","6","7","1","7","9","1") = "8"
    & skf18("7","6","7","1","7","10","1") = "9"
    & skf18("7","6","7","1","8","1","1") = "7"
    & skf18("7","6","7","1","8","2","1") = "7"
    & skf18("7","6","7","1","8","3","1") = "7"
    & skf18("7","6","7","1","8","4","1") = "7"
    & skf18("7","6","7","1","8","5","1") = "7"
    & skf18("7","6","7","1","8","6","1") = "7"
    & skf18("7","6","7","1","8","7","1") = "7"
    & skf18("7","6","7","1","8","8","1") = "7"
    & skf18("7","6","7","1","8","9","1") = "8"
    & skf18("7","6","7","1","8","10","1") = "9"
    & skf18("7","6","7","1","9","1","1") = "8"
    & skf18("7","6","7","1","9","2","1") = "8"
    & skf18("7","6","7","1","9","3","1") = "8"
    & skf18("7","6","7","1","9","4","1") = "8"
    & skf18("7","6","7","1","9","5","1") = "8"
    & skf18("7","6","7","1","9","6","1") = "8"
    & skf18("7","6","7","1","9","7","1") = "8"
    & skf18("7","6","7","1","9","8","1") = "8"
    & skf18("7","6","7","1","9","9","1") = "8"
    & skf18("7","6","7","1","9","10","1") = "9"
    & skf18("7","6","7","1","10","1","1") = "9"
    & skf18("7","6","7","1","10","2","1") = "9"
    & skf18("7","6","7","1","10","3","1") = "9"
    & skf18("7","6","7","1","10","4","1") = "9"
    & skf18("7","6","7","1","10","5","1") = "9"
    & skf18("7","6","7","1","10","6","1") = "9"
    & skf18("7","6","7","1","10","7","1") = "9"
    & skf18("7","6","7","1","10","8","1") = "9"
    & skf18("7","6","7","1","10","9","1") = "9"
    & skf18("7","6","7","1","10","10","1") = "9"
    & skf18("7","6","7","2","1","1","1") = "6"
    & skf18("7","6","7","2","1","2","1") = "6"
    & skf18("7","6","7","2","1","3","1") = "6"
    & skf18("7","6","7","2","1","4","1") = "6"
    & skf18("7","6","7","2","1","5","1") = "6"
    & skf18("7","6","7","2","1","6","1") = "6"
    & skf18("7","6","7","2","1","7","1") = "6"
    & skf18("7","6","7","2","1","8","1") = "7"
    & skf18("7","6","7","2","1","9","1") = "8"
    & skf18("7","6","7","2","1","10","1") = "9"
    & skf18("7","6","7","2","2","1","1") = "6"
    & skf18("7","6","7","2","2","2","1") = "6"
    & skf18("7","6","7","2","2","3","1") = "6"
    & skf18("7","6","7","2","2","4","1") = "6"
    & skf18("7","6","7","2","2","5","1") = "6"
    & skf18("7","6","7","2","2","6","1") = "6"
    & skf18("7","6","7","2","2","7","1") = "6"
    & skf18("7","6","7","2","2","8","1") = "7"
    & skf18("7","6","7","2","2","9","1") = "8"
    & skf18("7","6","7","2","2","10","1") = "9"
    & skf18("7","6","7","2","3","1","1") = "6"
    & skf18("7","6","7","2","3","2","1") = "6"
    & skf18("7","6","7","2","3","3","1") = "6"
    & skf18("7","6","7","2","3","4","1") = "6"
    & skf18("7","6","7","2","3","5","1") = "6"
    & skf18("7","6","7","2","3","6","1") = "6"
    & skf18("7","6","7","2","3","7","1") = "6"
    & skf18("7","6","7","2","3","8","1") = "7"
    & skf18("7","6","7","2","3","9","1") = "8"
    & skf18("7","6","7","2","3","10","1") = "9"
    & skf18("7","6","7","2","4","1","1") = "6"
    & skf18("7","6","7","2","4","2","1") = "6"
    & skf18("7","6","7","2","4","3","1") = "6"
    & skf18("7","6","7","2","4","4","1") = "6"
    & skf18("7","6","7","2","4","5","1") = "6"
    & skf18("7","6","7","2","4","6","1") = "6"
    & skf18("7","6","7","2","4","7","1") = "6"
    & skf18("7","6","7","2","4","8","1") = "7"
    & skf18("7","6","7","2","4","9","1") = "8"
    & skf18("7","6","7","2","4","10","1") = "9"
    & skf18("7","6","7","2","5","1","1") = "6"
    & skf18("7","6","7","2","5","2","1") = "6"
    & skf18("7","6","7","2","5","3","1") = "6"
    & skf18("7","6","7","2","5","4","1") = "6"
    & skf18("7","6","7","2","5","5","1") = "6"
    & skf18("7","6","7","2","5","6","1") = "6"
    & skf18("7","6","7","2","5","7","1") = "6"
    & skf18("7","6","7","2","5","8","1") = "7"
    & skf18("7","6","7","2","5","9","1") = "8"
    & skf18("7","6","7","2","5","10","1") = "9"
    & skf18("7","6","7","2","6","1","1") = "6"
    & skf18("7","6","7","2","6","2","1") = "6"
    & skf18("7","6","7","2","6","3","1") = "6"
    & skf18("7","6","7","2","6","4","1") = "6"
    & skf18("7","6","7","2","6","5","1") = "6"
    & skf18("7","6","7","2","6","6","1") = "6"
    & skf18("7","6","7","2","6","7","1") = "6"
    & skf18("7","6","7","2","6","8","1") = "7"
    & skf18("7","6","7","2","6","9","1") = "8"
    & skf18("7","6","7","2","6","10","1") = "9"
    & skf18("7","6","7","2","7","1","1") = "6"
    & skf18("7","6","7","2","7","2","1") = "6"
    & skf18("7","6","7","2","7","3","1") = "6"
    & skf18("7","6","7","2","7","4","1") = "6"
    & skf18("7","6","7","2","7","5","1") = "6"
    & skf18("7","6","7","2","7","6","1") = "6"
    & skf18("7","6","7","2","7","7","1") = "6"
    & skf18("7","6","7","2","7","8","1") = "7"
    & skf18("7","6","7","2","7","9","1") = "8"
    & skf18("7","6","7","2","7","10","1") = "9"
    & skf18("7","6","7","2","8","1","1") = "7"
    & skf18("7","6","7","2","8","2","1") = "7"
    & skf18("7","6","7","2","8","3","1") = "7"
    & skf18("7","6","7","2","8","4","1") = "7"
    & skf18("7","6","7","2","8","5","1") = "7"
    & skf18("7","6","7","2","8","6","1") = "7"
    & skf18("7","6","7","2","8","7","1") = "7"
    & skf18("7","6","7","2","8","8","1") = "7"
    & skf18("7","6","7","2","8","9","1") = "8"
    & skf18("7","6","7","2","8","10","1") = "9"
    & skf18("7","6","7","2","9","1","1") = "8"
    & skf18("7","6","7","2","9","2","1") = "8"
    & skf18("7","6","7","2","9","3","1") = "8"
    & skf18("7","6","7","2","9","4","1") = "8"
    & skf18("7","6","7","2","9","5","1") = "8"
    & skf18("7","6","7","2","9","6","1") = "8"
    & skf18("7","6","7","2","9","7","1") = "8"
    & skf18("7","6","7","2","9","8","1") = "8"
    & skf18("7","6","7","2","9","9","1") = "8"
    & skf18("7","6","7","2","9","10","1") = "9"
    & skf18("7","6","7","2","10","1","1") = "9"
    & skf18("7","6","7","2","10","2","1") = "9"
    & skf18("7","6","7","2","10","3","1") = "9"
    & skf18("7","6","7","2","10","4","1") = "9"
    & skf18("7","6","7","2","10","5","1") = "9"
    & skf18("7","6","7","2","10","6","1") = "9"
    & skf18("7","6","7","2","10","7","1") = "9"
    & skf18("7","6","7","2","10","8","1") = "9"
    & skf18("7","6","7","2","10","9","1") = "9"
    & skf18("7","6","7","2","10","10","1") = "9"
    & skf18("7","6","7","3","1","1","1") = "6"
    & skf18("7","6","7","3","1","2","1") = "6"
    & skf18("7","6","7","3","1","3","1") = "6"
    & skf18("7","6","7","3","1","4","1") = "6"
    & skf18("7","6","7","3","1","5","1") = "6"
    & skf18("7","6","7","3","1","6","1") = "6"
    & skf18("7","6","7","3","1","7","1") = "6"
    & skf18("7","6","7","3","1","8","1") = "7"
    & skf18("7","6","7","3","1","9","1") = "8"
    & skf18("7","6","7","3","1","10","1") = "9"
    & skf18("7","6","7","3","2","1","1") = "6"
    & skf18("7","6","7","3","2","2","1") = "6"
    & skf18("7","6","7","3","2","3","1") = "6"
    & skf18("7","6","7","3","2","4","1") = "6"
    & skf18("7","6","7","3","2","5","1") = "6"
    & skf18("7","6","7","3","2","6","1") = "6"
    & skf18("7","6","7","3","2","7","1") = "6"
    & skf18("7","6","7","3","2","8","1") = "7"
    & skf18("7","6","7","3","2","9","1") = "8"
    & skf18("7","6","7","3","2","10","1") = "9"
    & skf18("7","6","7","3","3","1","1") = "6"
    & skf18("7","6","7","3","3","2","1") = "6"
    & skf18("7","6","7","3","3","3","1") = "6"
    & skf18("7","6","7","3","3","4","1") = "6"
    & skf18("7","6","7","3","3","5","1") = "6"
    & skf18("7","6","7","3","3","6","1") = "6"
    & skf18("7","6","7","3","3","7","1") = "6"
    & skf18("7","6","7","3","3","8","1") = "7"
    & skf18("7","6","7","3","3","9","1") = "8"
    & skf18("7","6","7","3","3","10","1") = "9"
    & skf18("7","6","7","3","4","1","1") = "6"
    & skf18("7","6","7","3","4","2","1") = "6"
    & skf18("7","6","7","3","4","3","1") = "6"
    & skf18("7","6","7","3","4","4","1") = "6"
    & skf18("7","6","7","3","4","5","1") = "6"
    & skf18("7","6","7","3","4","6","1") = "6"
    & skf18("7","6","7","3","4","7","1") = "6"
    & skf18("7","6","7","3","4","8","1") = "7"
    & skf18("7","6","7","3","4","9","1") = "8"
    & skf18("7","6","7","3","4","10","1") = "9"
    & skf18("7","6","7","3","5","1","1") = "6"
    & skf18("7","6","7","3","5","2","1") = "6"
    & skf18("7","6","7","3","5","3","1") = "6"
    & skf18("7","6","7","3","5","4","1") = "6"
    & skf18("7","6","7","3","5","5","1") = "6"
    & skf18("7","6","7","3","5","6","1") = "6"
    & skf18("7","6","7","3","5","7","1") = "6"
    & skf18("7","6","7","3","5","8","1") = "7"
    & skf18("7","6","7","3","5","9","1") = "8"
    & skf18("7","6","7","3","5","10","1") = "9"
    & skf18("7","6","7","3","6","1","1") = "6"
    & skf18("7","6","7","3","6","2","1") = "6"
    & skf18("7","6","7","3","6","3","1") = "6"
    & skf18("7","6","7","3","6","4","1") = "6"
    & skf18("7","6","7","3","6","5","1") = "6"
    & skf18("7","6","7","3","6","6","1") = "6"
    & skf18("7","6","7","3","6","7","1") = "6"
    & skf18("7","6","7","3","6","8","1") = "7"
    & skf18("7","6","7","3","6","9","1") = "8"
    & skf18("7","6","7","3","6","10","1") = "9"
    & skf18("7","6","7","3","7","1","1") = "6"
    & skf18("7","6","7","3","7","2","1") = "6"
    & skf18("7","6","7","3","7","3","1") = "6"
    & skf18("7","6","7","3","7","4","1") = "6"
    & skf18("7","6","7","3","7","5","1") = "6"
    & skf18("7","6","7","3","7","6","1") = "6"
    & skf18("7","6","7","3","7","7","1") = "6"
    & skf18("7","6","7","3","7","8","1") = "7"
    & skf18("7","6","7","3","7","9","1") = "8"
    & skf18("7","6","7","3","7","10","1") = "9"
    & skf18("7","6","7","3","8","1","1") = "7"
    & skf18("7","6","7","3","8","2","1") = "7"
    & skf18("7","6","7","3","8","3","1") = "7"
    & skf18("7","6","7","3","8","4","1") = "7"
    & skf18("7","6","7","3","8","5","1") = "7"
    & skf18("7","6","7","3","8","6","1") = "7"
    & skf18("7","6","7","3","8","7","1") = "7"
    & skf18("7","6","7","3","8","8","1") = "7"
    & skf18("7","6","7","3","8","9","1") = "8"
    & skf18("7","6","7","3","8","10","1") = "9"
    & skf18("7","6","7","3","9","1","1") = "8"
    & skf18("7","6","7","3","9","2","1") = "8"
    & skf18("7","6","7","3","9","3","1") = "8"
    & skf18("7","6","7","3","9","4","1") = "8"
    & skf18("7","6","7","3","9","5","1") = "8"
    & skf18("7","6","7","3","9","6","1") = "8"
    & skf18("7","6","7","3","9","7","1") = "8"
    & skf18("7","6","7","3","9","8","1") = "8"
    & skf18("7","6","7","3","9","9","1") = "8"
    & skf18("7","6","7","3","9","10","1") = "9"
    & skf18("7","6","7","3","10","1","1") = "9"
    & skf18("7","6","7","3","10","2","1") = "9"
    & skf18("7","6","7","3","10","3","1") = "9"
    & skf18("7","6","7","3","10","4","1") = "9"
    & skf18("7","6","7","3","10","5","1") = "9"
    & skf18("7","6","7","3","10","6","1") = "9"
    & skf18("7","6","7","3","10","7","1") = "9"
    & skf18("7","6","7","3","10","8","1") = "9"
    & skf18("7","6","7","3","10","9","1") = "9"
    & skf18("7","6","7","3","10","10","1") = "9"
    & skf18("7","6","7","4","1","1","1") = "6"
    & skf18("7","6","7","4","1","2","1") = "6"
    & skf18("7","6","7","4","1","3","1") = "6"
    & skf18("7","6","7","4","1","4","1") = "6"
    & skf18("7","6","7","4","1","5","1") = "6"
    & skf18("7","6","7","4","1","6","1") = "6"
    & skf18("7","6","7","4","1","7","1") = "6"
    & skf18("7","6","7","4","1","8","1") = "7"
    & skf18("7","6","7","4","1","9","1") = "8"
    & skf18("7","6","7","4","1","10","1") = "9"
    & skf18("7","6","7","4","2","1","1") = "6"
    & skf18("7","6","7","4","2","2","1") = "6"
    & skf18("7","6","7","4","2","3","1") = "6"
    & skf18("7","6","7","4","2","4","1") = "6"
    & skf18("7","6","7","4","2","5","1") = "6"
    & skf18("7","6","7","4","2","6","1") = "6"
    & skf18("7","6","7","4","2","7","1") = "6"
    & skf18("7","6","7","4","2","8","1") = "7"
    & skf18("7","6","7","4","2","9","1") = "8"
    & skf18("7","6","7","4","2","10","1") = "9"
    & skf18("7","6","7","4","3","1","1") = "6"
    & skf18("7","6","7","4","3","2","1") = "6"
    & skf18("7","6","7","4","3","3","1") = "6"
    & skf18("7","6","7","4","3","4","1") = "6"
    & skf18("7","6","7","4","3","5","1") = "6"
    & skf18("7","6","7","4","3","6","1") = "6"
    & skf18("7","6","7","4","3","7","1") = "6"
    & skf18("7","6","7","4","3","8","1") = "7"
    & skf18("7","6","7","4","3","9","1") = "8"
    & skf18("7","6","7","4","3","10","1") = "9"
    & skf18("7","6","7","4","4","1","1") = "6"
    & skf18("7","6","7","4","4","2","1") = "6"
    & skf18("7","6","7","4","4","3","1") = "6"
    & skf18("7","6","7","4","4","4","1") = "6"
    & skf18("7","6","7","4","4","5","1") = "6"
    & skf18("7","6","7","4","4","6","1") = "6"
    & skf18("7","6","7","4","4","7","1") = "6"
    & skf18("7","6","7","4","4","8","1") = "7"
    & skf18("7","6","7","4","4","9","1") = "8"
    & skf18("7","6","7","4","4","10","1") = "9"
    & skf18("7","6","7","4","5","1","1") = "6"
    & skf18("7","6","7","4","5","2","1") = "6"
    & skf18("7","6","7","4","5","3","1") = "6"
    & skf18("7","6","7","4","5","4","1") = "6"
    & skf18("7","6","7","4","5","5","1") = "6"
    & skf18("7","6","7","4","5","6","1") = "6"
    & skf18("7","6","7","4","5","7","1") = "6"
    & skf18("7","6","7","4","5","8","1") = "7"
    & skf18("7","6","7","4","5","9","1") = "8"
    & skf18("7","6","7","4","5","10","1") = "9"
    & skf18("7","6","7","4","6","1","1") = "6"
    & skf18("7","6","7","4","6","2","1") = "6"
    & skf18("7","6","7","4","6","3","1") = "6"
    & skf18("7","6","7","4","6","4","1") = "6"
    & skf18("7","6","7","4","6","5","1") = "6"
    & skf18("7","6","7","4","6","6","1") = "6"
    & skf18("7","6","7","4","6","7","1") = "6"
    & skf18("7","6","7","4","6","8","1") = "7"
    & skf18("7","6","7","4","6","9","1") = "8"
    & skf18("7","6","7","4","6","10","1") = "9"
    & skf18("7","6","7","4","7","1","1") = "6"
    & skf18("7","6","7","4","7","2","1") = "6"
    & skf18("7","6","7","4","7","3","1") = "6"
    & skf18("7","6","7","4","7","4","1") = "6"
    & skf18("7","6","7","4","7","5","1") = "6"
    & skf18("7","6","7","4","7","6","1") = "6"
    & skf18("7","6","7","4","7","7","1") = "6"
    & skf18("7","6","7","4","7","8","1") = "7"
    & skf18("7","6","7","4","7","9","1") = "8"
    & skf18("7","6","7","4","7","10","1") = "9"
    & skf18("7","6","7","4","8","1","1") = "7"
    & skf18("7","6","7","4","8","2","1") = "7"
    & skf18("7","6","7","4","8","3","1") = "7"
    & skf18("7","6","7","4","8","4","1") = "7"
    & skf18("7","6","7","4","8","5","1") = "7"
    & skf18("7","6","7","4","8","6","1") = "7"
    & skf18("7","6","7","4","8","7","1") = "7"
    & skf18("7","6","7","4","8","8","1") = "7"
    & skf18("7","6","7","4","8","9","1") = "8"
    & skf18("7","6","7","4","8","10","1") = "9"
    & skf18("7","6","7","4","9","1","1") = "8"
    & skf18("7","6","7","4","9","2","1") = "8"
    & skf18("7","6","7","4","9","3","1") = "8"
    & skf18("7","6","7","4","9","4","1") = "8"
    & skf18("7","6","7","4","9","5","1") = "8"
    & skf18("7","6","7","4","9","6","1") = "8"
    & skf18("7","6","7","4","9","7","1") = "8"
    & skf18("7","6","7","4","9","8","1") = "8"
    & skf18("7","6","7","4","9","9","1") = "8"
    & skf18("7","6","7","4","9","10","1") = "9"
    & skf18("7","6","7","4","10","1","1") = "9"
    & skf18("7","6","7","4","10","2","1") = "9"
    & skf18("7","6","7","4","10","3","1") = "9"
    & skf18("7","6","7","4","10","4","1") = "9"
    & skf18("7","6","7","4","10","5","1") = "9"
    & skf18("7","6","7","4","10","6","1") = "9"
    & skf18("7","6","7","4","10","7","1") = "9"
    & skf18("7","6","7","4","10","8","1") = "9"
    & skf18("7","6","7","4","10","9","1") = "9"
    & skf18("7","6","7","4","10","10","1") = "9"
    & skf18("7","6","7","5","1","1","1") = "6"
    & skf18("7","6","7","5","1","2","1") = "6"
    & skf18("7","6","7","5","1","3","1") = "6"
    & skf18("7","6","7","5","1","4","1") = "6"
    & skf18("7","6","7","5","1","5","1") = "6"
    & skf18("7","6","7","5","1","6","1") = "6"
    & skf18("7","6","7","5","1","7","1") = "6"
    & skf18("7","6","7","5","1","8","1") = "7"
    & skf18("7","6","7","5","1","9","1") = "8"
    & skf18("7","6","7","5","1","10","1") = "9"
    & skf18("7","6","7","5","2","1","1") = "6"
    & skf18("7","6","7","5","2","2","1") = "6"
    & skf18("7","6","7","5","2","3","1") = "6"
    & skf18("7","6","7","5","2","4","1") = "6"
    & skf18("7","6","7","5","2","5","1") = "6"
    & skf18("7","6","7","5","2","6","1") = "6"
    & skf18("7","6","7","5","2","7","1") = "6"
    & skf18("7","6","7","5","2","8","1") = "7"
    & skf18("7","6","7","5","2","9","1") = "8"
    & skf18("7","6","7","5","2","10","1") = "9"
    & skf18("7","6","7","5","3","1","1") = "6"
    & skf18("7","6","7","5","3","2","1") = "6"
    & skf18("7","6","7","5","3","3","1") = "6"
    & skf18("7","6","7","5","3","4","1") = "6"
    & skf18("7","6","7","5","3","5","1") = "6"
    & skf18("7","6","7","5","3","6","1") = "6"
    & skf18("7","6","7","5","3","7","1") = "6"
    & skf18("7","6","7","5","3","8","1") = "7"
    & skf18("7","6","7","5","3","9","1") = "8"
    & skf18("7","6","7","5","3","10","1") = "9"
    & skf18("7","6","7","5","4","1","1") = "6"
    & skf18("7","6","7","5","4","2","1") = "6"
    & skf18("7","6","7","5","4","3","1") = "6"
    & skf18("7","6","7","5","4","4","1") = "6"
    & skf18("7","6","7","5","4","5","1") = "6"
    & skf18("7","6","7","5","4","6","1") = "6"
    & skf18("7","6","7","5","4","7","1") = "6"
    & skf18("7","6","7","5","4","8","1") = "7"
    & skf18("7","6","7","5","4","9","1") = "8"
    & skf18("7","6","7","5","4","10","1") = "9"
    & skf18("7","6","7","5","5","1","1") = "6"
    & skf18("7","6","7","5","5","2","1") = "6"
    & skf18("7","6","7","5","5","3","1") = "6"
    & skf18("7","6","7","5","5","4","1") = "6"
    & skf18("7","6","7","5","5","5","1") = "6"
    & skf18("7","6","7","5","5","6","1") = "6"
    & skf18("7","6","7","5","5","7","1") = "6"
    & skf18("7","6","7","5","5","8","1") = "7"
    & skf18("7","6","7","5","5","9","1") = "8"
    & skf18("7","6","7","5","5","10","1") = "9"
    & skf18("7","6","7","5","6","1","1") = "6"
    & skf18("7","6","7","5","6","2","1") = "6"
    & skf18("7","6","7","5","6","3","1") = "6"
    & skf18("7","6","7","5","6","4","1") = "6"
    & skf18("7","6","7","5","6","5","1") = "6"
    & skf18("7","6","7","5","6","6","1") = "6"
    & skf18("7","6","7","5","6","7","1") = "6"
    & skf18("7","6","7","5","6","8","1") = "7"
    & skf18("7","6","7","5","6","9","1") = "8"
    & skf18("7","6","7","5","6","10","1") = "9"
    & skf18("7","6","7","5","7","1","1") = "6"
    & skf18("7","6","7","5","7","2","1") = "6"
    & skf18("7","6","7","5","7","3","1") = "6"
    & skf18("7","6","7","5","7","4","1") = "6"
    & skf18("7","6","7","5","7","5","1") = "6"
    & skf18("7","6","7","5","7","6","1") = "6"
    & skf18("7","6","7","5","7","7","1") = "6"
    & skf18("7","6","7","5","7","8","1") = "7"
    & skf18("7","6","7","5","7","9","1") = "8"
    & skf18("7","6","7","5","7","10","1") = "9"
    & skf18("7","6","7","5","8","1","1") = "7"
    & skf18("7","6","7","5","8","2","1") = "7"
    & skf18("7","6","7","5","8","3","1") = "7"
    & skf18("7","6","7","5","8","4","1") = "7"
    & skf18("7","6","7","5","8","5","1") = "7"
    & skf18("7","6","7","5","8","6","1") = "7"
    & skf18("7","6","7","5","8","7","1") = "7"
    & skf18("7","6","7","5","8","8","1") = "7"
    & skf18("7","6","7","5","8","9","1") = "8"
    & skf18("7","6","7","5","8","10","1") = "9"
    & skf18("7","6","7","5","9","1","1") = "8"
    & skf18("7","6","7","5","9","2","1") = "8"
    & skf18("7","6","7","5","9","3","1") = "8"
    & skf18("7","6","7","5","9","4","1") = "8"
    & skf18("7","6","7","5","9","5","1") = "8"
    & skf18("7","6","7","5","9","6","1") = "8"
    & skf18("7","6","7","5","9","7","1") = "8"
    & skf18("7","6","7","5","9","8","1") = "8"
    & skf18("7","6","7","5","9","9","1") = "8"
    & skf18("7","6","7","5","9","10","1") = "9"
    & skf18("7","6","7","5","10","1","1") = "9"
    & skf18("7","6","7","5","10","2","1") = "9"
    & skf18("7","6","7","5","10","3","1") = "9"
    & skf18("7","6","7","5","10","4","1") = "9"
    & skf18("7","6","7","5","10","5","1") = "9"
    & skf18("7","6","7","5","10","6","1") = "9"
    & skf18("7","6","7","5","10","7","1") = "9"
    & skf18("7","6","7","5","10","8","1") = "9"
    & skf18("7","6","7","5","10","9","1") = "9"
    & skf18("7","6","7","5","10","10","1") = "9"
    & skf18("7","6","7","6","1","1","1") = "6"
    & skf18("7","6","7","6","1","2","1") = "6"
    & skf18("7","6","7","6","1","3","1") = "6"
    & skf18("7","6","7","6","1","4","1") = "6"
    & skf18("7","6","7","6","1","5","1") = "6"
    & skf18("7","6","7","6","1","6","1") = "6"
    & skf18("7","6","7","6","1","7","1") = "6"
    & skf18("7","6","7","6","1","8","1") = "7"
    & skf18("7","6","7","6","1","9","1") = "8"
    & skf18("7","6","7","6","1","10","1") = "9"
    & skf18("7","6","7","6","2","1","1") = "6"
    & skf18("7","6","7","6","2","2","1") = "6"
    & skf18("7","6","7","6","2","3","1") = "6"
    & skf18("7","6","7","6","2","4","1") = "6"
    & skf18("7","6","7","6","2","5","1") = "6"
    & skf18("7","6","7","6","2","6","1") = "6"
    & skf18("7","6","7","6","2","7","1") = "6"
    & skf18("7","6","7","6","2","8","1") = "7"
    & skf18("7","6","7","6","2","9","1") = "8"
    & skf18("7","6","7","6","2","10","1") = "9"
    & skf18("7","6","7","6","3","1","1") = "6"
    & skf18("7","6","7","6","3","2","1") = "6"
    & skf18("7","6","7","6","3","3","1") = "6"
    & skf18("7","6","7","6","3","4","1") = "6"
    & skf18("7","6","7","6","3","5","1") = "6"
    & skf18("7","6","7","6","3","6","1") = "6"
    & skf18("7","6","7","6","3","7","1") = "6"
    & skf18("7","6","7","6","3","8","1") = "7"
    & skf18("7","6","7","6","3","9","1") = "8"
    & skf18("7","6","7","6","3","10","1") = "9"
    & skf18("7","6","7","6","4","1","1") = "6"
    & skf18("7","6","7","6","4","2","1") = "6"
    & skf18("7","6","7","6","4","3","1") = "6"
    & skf18("7","6","7","6","4","4","1") = "6"
    & skf18("7","6","7","6","4","5","1") = "6"
    & skf18("7","6","7","6","4","6","1") = "6"
    & skf18("7","6","7","6","4","7","1") = "6"
    & skf18("7","6","7","6","4","8","1") = "7"
    & skf18("7","6","7","6","4","9","1") = "8"
    & skf18("7","6","7","6","4","10","1") = "9"
    & skf18("7","6","7","6","5","1","1") = "6"
    & skf18("7","6","7","6","5","2","1") = "6"
    & skf18("7","6","7","6","5","3","1") = "6"
    & skf18("7","6","7","6","5","4","1") = "6"
    & skf18("7","6","7","6","5","5","1") = "6"
    & skf18("7","6","7","6","5","6","1") = "6"
    & skf18("7","6","7","6","5","7","1") = "6"
    & skf18("7","6","7","6","5","8","1") = "7"
    & skf18("7","6","7","6","5","9","1") = "8"
    & skf18("7","6","7","6","5","10","1") = "9"
    & skf18("7","6","7","6","6","1","1") = "6"
    & skf18("7","6","7","6","6","2","1") = "6"
    & skf18("7","6","7","6","6","3","1") = "6"
    & skf18("7","6","7","6","6","4","1") = "6"
    & skf18("7","6","7","6","6","5","1") = "6"
    & skf18("7","6","7","6","6","6","1") = "6"
    & skf18("7","6","7","6","6","7","1") = "6"
    & skf18("7","6","7","6","6","8","1") = "7"
    & skf18("7","6","7","6","6","9","1") = "8"
    & skf18("7","6","7","6","6","10","1") = "9"
    & skf18("7","6","7","6","7","1","1") = "6"
    & skf18("7","6","7","6","7","2","1") = "6"
    & skf18("7","6","7","6","7","3","1") = "6"
    & skf18("7","6","7","6","7","4","1") = "6"
    & skf18("7","6","7","6","7","5","1") = "6"
    & skf18("7","6","7","6","7","6","1") = "6"
    & skf18("7","6","7","6","7","7","1") = "6"
    & skf18("7","6","7","6","7","8","1") = "7"
    & skf18("7","6","7","6","7","9","1") = "8"
    & skf18("7","6","7","6","7","10","1") = "9"
    & skf18("7","6","7","6","8","1","1") = "7"
    & skf18("7","6","7","6","8","2","1") = "7"
    & skf18("7","6","7","6","8","3","1") = "7"
    & skf18("7","6","7","6","8","4","1") = "7"
    & skf18("7","6","7","6","8","5","1") = "7"
    & skf18("7","6","7","6","8","6","1") = "7"
    & skf18("7","6","7","6","8","7","1") = "7"
    & skf18("7","6","7","6","8","8","1") = "7"
    & skf18("7","6","7","6","8","9","1") = "8"
    & skf18("7","6","7","6","8","10","1") = "9"
    & skf18("7","6","7","6","9","1","1") = "8"
    & skf18("7","6","7","6","9","2","1") = "8"
    & skf18("7","6","7","6","9","3","1") = "8"
    & skf18("7","6","7","6","9","4","1") = "8"
    & skf18("7","6","7","6","9","5","1") = "8"
    & skf18("7","6","7","6","9","6","1") = "8"
    & skf18("7","6","7","6","9","7","1") = "8"
    & skf18("7","6","7","6","9","8","1") = "8"
    & skf18("7","6","7","6","9","9","1") = "8"
    & skf18("7","6","7","6","9","10","1") = "9"
    & skf18("7","6","7","6","10","1","1") = "9"
    & skf18("7","6","7","6","10","2","1") = "9"
    & skf18("7","6","7","6","10","3","1") = "9"
    & skf18("7","6","7","6","10","4","1") = "9"
    & skf18("7","6","7","6","10","5","1") = "9"
    & skf18("7","6","7","6","10","6","1") = "9"
    & skf18("7","6","7","6","10","7","1") = "9"
    & skf18("7","6","7","6","10","8","1") = "9"
    & skf18("7","6","7","6","10","9","1") = "9"
    & skf18("7","6","7","6","10","10","1") = "9"
    & skf18("7","6","7","7","1","1","1") = "6"
    & skf18("7","6","7","7","1","2","1") = "6"
    & skf18("7","6","7","7","1","3","1") = "6"
    & skf18("7","6","7","7","1","4","1") = "6"
    & skf18("7","6","7","7","1","5","1") = "6"
    & skf18("7","6","7","7","1","6","1") = "6"
    & skf18("7","6","7","7","1","7","1") = "6"
    & skf18("7","6","7","7","1","8","1") = "7"
    & skf18("7","6","7","7","1","9","1") = "8"
    & skf18("7","6","7","7","1","10","1") = "9"
    & skf18("7","6","7","7","2","1","1") = "6"
    & skf18("7","6","7","7","2","2","1") = "6"
    & skf18("7","6","7","7","2","3","1") = "6"
    & skf18("7","6","7","7","2","4","1") = "6"
    & skf18("7","6","7","7","2","5","1") = "6"
    & skf18("7","6","7","7","2","6","1") = "6"
    & skf18("7","6","7","7","2","7","1") = "6"
    & skf18("7","6","7","7","2","8","1") = "7"
    & skf18("7","6","7","7","2","9","1") = "8"
    & skf18("7","6","7","7","2","10","1") = "9"
    & skf18("7","6","7","7","3","1","1") = "6"
    & skf18("7","6","7","7","3","2","1") = "6"
    & skf18("7","6","7","7","3","3","1") = "6"
    & skf18("7","6","7","7","3","4","1") = "6"
    & skf18("7","6","7","7","3","5","1") = "6"
    & skf18("7","6","7","7","3","6","1") = "6"
    & skf18("7","6","7","7","3","7","1") = "6"
    & skf18("7","6","7","7","3","8","1") = "7"
    & skf18("7","6","7","7","3","9","1") = "8"
    & skf18("7","6","7","7","3","10","1") = "9"
    & skf18("7","6","7","7","4","1","1") = "6"
    & skf18("7","6","7","7","4","2","1") = "6"
    & skf18("7","6","7","7","4","3","1") = "6"
    & skf18("7","6","7","7","4","4","1") = "6"
    & skf18("7","6","7","7","4","5","1") = "6"
    & skf18("7","6","7","7","4","6","1") = "6"
    & skf18("7","6","7","7","4","7","1") = "6"
    & skf18("7","6","7","7","4","8","1") = "7"
    & skf18("7","6","7","7","4","9","1") = "8"
    & skf18("7","6","7","7","4","10","1") = "9"
    & skf18("7","6","7","7","5","1","1") = "6"
    & skf18("7","6","7","7","5","2","1") = "6"
    & skf18("7","6","7","7","5","3","1") = "6"
    & skf18("7","6","7","7","5","4","1") = "6"
    & skf18("7","6","7","7","5","5","1") = "6"
    & skf18("7","6","7","7","5","6","1") = "6"
    & skf18("7","6","7","7","5","7","1") = "6"
    & skf18("7","6","7","7","5","8","1") = "7"
    & skf18("7","6","7","7","5","9","1") = "8"
    & skf18("7","6","7","7","5","10","1") = "9"
    & skf18("7","6","7","7","6","1","1") = "6"
    & skf18("7","6","7","7","6","2","1") = "6"
    & skf18("7","6","7","7","6","3","1") = "6"
    & skf18("7","6","7","7","6","4","1") = "6"
    & skf18("7","6","7","7","6","5","1") = "6"
    & skf18("7","6","7","7","6","6","1") = "6"
    & skf18("7","6","7","7","6","7","1") = "6"
    & skf18("7","6","7","7","6","8","1") = "7"
    & skf18("7","6","7","7","6","9","1") = "8"
    & skf18("7","6","7","7","6","10","1") = "9"
    & skf18("7","6","7","7","7","1","1") = "6"
    & skf18("7","6","7","7","7","2","1") = "6"
    & skf18("7","6","7","7","7","3","1") = "6"
    & skf18("7","6","7","7","7","4","1") = "6"
    & skf18("7","6","7","7","7","5","1") = "6"
    & skf18("7","6","7","7","7","6","1") = "6"
    & skf18("7","6","7","7","7","7","1") = "6"
    & skf18("7","6","7","7","7","8","1") = "7"
    & skf18("7","6","7","7","7","9","1") = "8"
    & skf18("7","6","7","7","7","10","1") = "9"
    & skf18("7","6","7","7","8","1","1") = "7"
    & skf18("7","6","7","7","8","2","1") = "7"
    & skf18("7","6","7","7","8","3","1") = "7"
    & skf18("7","6","7","7","8","4","1") = "7"
    & skf18("7","6","7","7","8","5","1") = "7"
    & skf18("7","6","7","7","8","6","1") = "7"
    & skf18("7","6","7","7","8","7","1") = "7"
    & skf18("7","6","7","7","8","8","1") = "7"
    & skf18("7","6","7","7","8","9","1") = "8"
    & skf18("7","6","7","7","8","10","1") = "9"
    & skf18("7","6","7","7","9","1","1") = "8"
    & skf18("7","6","7","7","9","2","1") = "8"
    & skf18("7","6","7","7","9","3","1") = "8"
    & skf18("7","6","7","7","9","4","1") = "8"
    & skf18("7","6","7","7","9","5","1") = "8"
    & skf18("7","6","7","7","9","6","1") = "8"
    & skf18("7","6","7","7","9","7","1") = "8"
    & skf18("7","6","7","7","9","8","1") = "8"
    & skf18("7","6","7","7","9","9","1") = "8"
    & skf18("7","6","7","7","9","10","1") = "9"
    & skf18("7","6","7","7","10","1","1") = "9"
    & skf18("7","6","7","7","10","2","1") = "9"
    & skf18("7","6","7","7","10","3","1") = "9"
    & skf18("7","6","7","7","10","4","1") = "9"
    & skf18("7","6","7","7","10","5","1") = "9"
    & skf18("7","6","7","7","10","6","1") = "9"
    & skf18("7","6","7","7","10","7","1") = "9"
    & skf18("7","6","7","7","10","8","1") = "9"
    & skf18("7","6","7","7","10","9","1") = "9"
    & skf18("7","6","7","7","10","10","1") = "9"
    & skf18("7","6","7","8","1","1","1") = "7"
    & skf18("7","6","7","8","1","2","1") = "7"
    & skf18("7","6","7","8","1","3","1") = "7"
    & skf18("7","6","7","8","1","4","1") = "7"
    & skf18("7","6","7","8","1","5","1") = "7"
    & skf18("7","6","7","8","1","6","1") = "7"
    & skf18("7","6","7","8","1","7","1") = "7"
    & skf18("7","6","7","8","1","8","1") = "7"
    & skf18("7","6","7","8","1","9","1") = "8"
    & skf18("7","6","7","8","1","10","1") = "9"
    & skf18("7","6","7","8","2","1","1") = "7"
    & skf18("7","6","7","8","2","2","1") = "7"
    & skf18("7","6","7","8","2","3","1") = "7"
    & skf18("7","6","7","8","2","4","1") = "7"
    & skf18("7","6","7","8","2","5","1") = "7"
    & skf18("7","6","7","8","2","6","1") = "7"
    & skf18("7","6","7","8","2","7","1") = "7"
    & skf18("7","6","7","8","2","8","1") = "7"
    & skf18("7","6","7","8","2","9","1") = "8"
    & skf18("7","6","7","8","2","10","1") = "9"
    & skf18("7","6","7","8","3","1","1") = "7"
    & skf18("7","6","7","8","3","2","1") = "7"
    & skf18("7","6","7","8","3","3","1") = "7"
    & skf18("7","6","7","8","3","4","1") = "7"
    & skf18("7","6","7","8","3","5","1") = "7"
    & skf18("7","6","7","8","3","6","1") = "7"
    & skf18("7","6","7","8","3","7","1") = "7"
    & skf18("7","6","7","8","3","8","1") = "7"
    & skf18("7","6","7","8","3","9","1") = "8"
    & skf18("7","6","7","8","3","10","1") = "9"
    & skf18("7","6","7","8","4","1","1") = "7"
    & skf18("7","6","7","8","4","2","1") = "7"
    & skf18("7","6","7","8","4","3","1") = "7"
    & skf18("7","6","7","8","4","4","1") = "7"
    & skf18("7","6","7","8","4","5","1") = "7"
    & skf18("7","6","7","8","4","6","1") = "7"
    & skf18("7","6","7","8","4","7","1") = "7"
    & skf18("7","6","7","8","4","8","1") = "7"
    & skf18("7","6","7","8","4","9","1") = "8"
    & skf18("7","6","7","8","4","10","1") = "9"
    & skf18("7","6","7","8","5","1","1") = "7"
    & skf18("7","6","7","8","5","2","1") = "7"
    & skf18("7","6","7","8","5","3","1") = "7"
    & skf18("7","6","7","8","5","4","1") = "7"
    & skf18("7","6","7","8","5","5","1") = "7"
    & skf18("7","6","7","8","5","6","1") = "7"
    & skf18("7","6","7","8","5","7","1") = "7"
    & skf18("7","6","7","8","5","8","1") = "7"
    & skf18("7","6","7","8","5","9","1") = "8"
    & skf18("7","6","7","8","5","10","1") = "9"
    & skf18("7","6","7","8","6","1","1") = "7"
    & skf18("7","6","7","8","6","2","1") = "7"
    & skf18("7","6","7","8","6","3","1") = "7"
    & skf18("7","6","7","8","6","4","1") = "7"
    & skf18("7","6","7","8","6","5","1") = "7"
    & skf18("7","6","7","8","6","6","1") = "7"
    & skf18("7","6","7","8","6","7","1") = "7"
    & skf18("7","6","7","8","6","8","1") = "7"
    & skf18("7","6","7","8","6","9","1") = "8"
    & skf18("7","6","7","8","6","10","1") = "9"
    & skf18("7","6","7","8","7","1","1") = "7"
    & skf18("7","6","7","8","7","2","1") = "7"
    & skf18("7","6","7","8","7","3","1") = "7"
    & skf18("7","6","7","8","7","4","1") = "7"
    & skf18("7","6","7","8","7","5","1") = "7"
    & skf18("7","6","7","8","7","6","1") = "7"
    & skf18("7","6","7","8","7","7","1") = "7"
    & skf18("7","6","7","8","7","8","1") = "7"
    & skf18("7","6","7","8","7","9","1") = "8"
    & skf18("7","6","7","8","7","10","1") = "9"
    & skf18("7","6","7","8","8","1","1") = "7"
    & skf18("7","6","7","8","8","2","1") = "7"
    & skf18("7","6","7","8","8","3","1") = "7"
    & skf18("7","6","7","8","8","4","1") = "7"
    & skf18("7","6","7","8","8","5","1") = "7"
    & skf18("7","6","7","8","8","6","1") = "7"
    & skf18("7","6","7","8","8","7","1") = "7"
    & skf18("7","6","7","8","8","8","1") = "7"
    & skf18("7","6","7","8","8","9","1") = "8"
    & skf18("7","6","7","8","8","10","1") = "9"
    & skf18("7","6","7","8","9","1","1") = "8"
    & skf18("7","6","7","8","9","2","1") = "8"
    & skf18("7","6","7","8","9","3","1") = "8"
    & skf18("7","6","7","8","9","4","1") = "8"
    & skf18("7","6","7","8","9","5","1") = "8"
    & skf18("7","6","7","8","9","6","1") = "8"
    & skf18("7","6","7","8","9","7","1") = "8"
    & skf18("7","6","7","8","9","8","1") = "8"
    & skf18("7","6","7","8","9","9","1") = "8"
    & skf18("7","6","7","8","9","10","1") = "9"
    & skf18("7","6","7","8","10","1","1") = "9"
    & skf18("7","6","7","8","10","2","1") = "9"
    & skf18("7","6","7","8","10","3","1") = "9"
    & skf18("7","6","7","8","10","4","1") = "9"
    & skf18("7","6","7","8","10","5","1") = "9"
    & skf18("7","6","7","8","10","6","1") = "9"
    & skf18("7","6","7","8","10","7","1") = "9"
    & skf18("7","6","7","8","10","8","1") = "9"
    & skf18("7","6","7","8","10","9","1") = "9"
    & skf18("7","6","7","8","10","10","1") = "9"
    & skf18("7","6","7","9","1","1","1") = "8"
    & skf18("7","6","7","9","1","2","1") = "8"
    & skf18("7","6","7","9","1","3","1") = "8"
    & skf18("7","6","7","9","1","4","1") = "8"
    & skf18("7","6","7","9","1","5","1") = "8"
    & skf18("7","6","7","9","1","6","1") = "8"
    & skf18("7","6","7","9","1","7","1") = "8"
    & skf18("7","6","7","9","1","8","1") = "8"
    & skf18("7","6","7","9","1","9","1") = "8"
    & skf18("7","6","7","9","1","10","1") = "9"
    & skf18("7","6","7","9","2","1","1") = "8"
    & skf18("7","6","7","9","2","2","1") = "8"
    & skf18("7","6","7","9","2","3","1") = "8"
    & skf18("7","6","7","9","2","4","1") = "8"
    & skf18("7","6","7","9","2","5","1") = "8"
    & skf18("7","6","7","9","2","6","1") = "8"
    & skf18("7","6","7","9","2","7","1") = "8"
    & skf18("7","6","7","9","2","8","1") = "8"
    & skf18("7","6","7","9","2","9","1") = "8"
    & skf18("7","6","7","9","2","10","1") = "9"
    & skf18("7","6","7","9","3","1","1") = "8"
    & skf18("7","6","7","9","3","2","1") = "8"
    & skf18("7","6","7","9","3","3","1") = "8"
    & skf18("7","6","7","9","3","4","1") = "8"
    & skf18("7","6","7","9","3","5","1") = "8"
    & skf18("7","6","7","9","3","6","1") = "8"
    & skf18("7","6","7","9","3","7","1") = "8"
    & skf18("7","6","7","9","3","8","1") = "8"
    & skf18("7","6","7","9","3","9","1") = "8"
    & skf18("7","6","7","9","3","10","1") = "9"
    & skf18("7","6","7","9","4","1","1") = "8"
    & skf18("7","6","7","9","4","2","1") = "8"
    & skf18("7","6","7","9","4","3","1") = "8"
    & skf18("7","6","7","9","4","4","1") = "8"
    & skf18("7","6","7","9","4","5","1") = "8"
    & skf18("7","6","7","9","4","6","1") = "8"
    & skf18("7","6","7","9","4","7","1") = "8"
    & skf18("7","6","7","9","4","8","1") = "8"
    & skf18("7","6","7","9","4","9","1") = "8"
    & skf18("7","6","7","9","4","10","1") = "9"
    & skf18("7","6","7","9","5","1","1") = "8"
    & skf18("7","6","7","9","5","2","1") = "8"
    & skf18("7","6","7","9","5","3","1") = "8"
    & skf18("7","6","7","9","5","4","1") = "8"
    & skf18("7","6","7","9","5","5","1") = "8"
    & skf18("7","6","7","9","5","6","1") = "8"
    & skf18("7","6","7","9","5","7","1") = "8"
    & skf18("7","6","7","9","5","8","1") = "8"
    & skf18("7","6","7","9","5","9","1") = "8"
    & skf18("7","6","7","9","5","10","1") = "9"
    & skf18("7","6","7","9","6","1","1") = "8"
    & skf18("7","6","7","9","6","2","1") = "8"
    & skf18("7","6","7","9","6","3","1") = "8"
    & skf18("7","6","7","9","6","4","1") = "8"
    & skf18("7","6","7","9","6","5","1") = "8"
    & skf18("7","6","7","9","6","6","1") = "8"
    & skf18("7","6","7","9","6","7","1") = "8"
    & skf18("7","6","7","9","6","8","1") = "8"
    & skf18("7","6","7","9","6","9","1") = "8"
    & skf18("7","6","7","9","6","10","1") = "9"
    & skf18("7","6","7","9","7","1","1") = "8"
    & skf18("7","6","7","9","7","2","1") = "8"
    & skf18("7","6","7","9","7","3","1") = "8"
    & skf18("7","6","7","9","7","4","1") = "8"
    & skf18("7","6","7","9","7","5","1") = "8"
    & skf18("7","6","7","9","7","6","1") = "8"
    & skf18("7","6","7","9","7","7","1") = "8"
    & skf18("7","6","7","9","7","8","1") = "8"
    & skf18("7","6","7","9","7","9","1") = "8"
    & skf18("7","6","7","9","7","10","1") = "9"
    & skf18("7","6","7","9","8","1","1") = "8"
    & skf18("7","6","7","9","8","2","1") = "8"
    & skf18("7","6","7","9","8","3","1") = "8"
    & skf18("7","6","7","9","8","4","1") = "8"
    & skf18("7","6","7","9","8","5","1") = "8"
    & skf18("7","6","7","9","8","6","1") = "8"
    & skf18("7","6","7","9","8","7","1") = "8"
    & skf18("7","6","7","9","8","8","1") = "8"
    & skf18("7","6","7","9","8","9","1") = "8"
    & skf18("7","6","7","9","8","10","1") = "9"
    & skf18("7","6","7","9","9","1","1") = "8"
    & skf18("7","6","7","9","9","2","1") = "8"
    & skf18("7","6","7","9","9","3","1") = "8"
    & skf18("7","6","7","9","9","4","1") = "8"
    & skf18("7","6","7","9","9","5","1") = "8"
    & skf18("7","6","7","9","9","6","1") = "8"
    & skf18("7","6","7","9","9","7","1") = "8"
    & skf18("7","6","7","9","9","8","1") = "8"
    & skf18("7","6","7","9","9","9","1") = "8"
    & skf18("7","6","7","9","9","10","1") = "9"
    & skf18("7","6","7","9","10","1","1") = "9"
    & skf18("7","6","7","9","10","2","1") = "9"
    & skf18("7","6","7","9","10","3","1") = "9"
    & skf18("7","6","7","9","10","4","1") = "9"
    & skf18("7","6","7","9","10","5","1") = "9"
    & skf18("7","6","7","9","10","6","1") = "9"
    & skf18("7","6","7","9","10","7","1") = "9"
    & skf18("7","6","7","9","10","8","1") = "9"
    & skf18("7","6","7","9","10","9","1") = "9"
    & skf18("7","6","7","9","10","10","1") = "9"
    & skf18("7","6","7","10","1","1","1") = "9"
    & skf18("7","6","7","10","1","2","1") = "9"
    & skf18("7","6","7","10","1","3","1") = "9"
    & skf18("7","6","7","10","1","4","1") = "9"
    & skf18("7","6","7","10","1","5","1") = "9"
    & skf18("7","6","7","10","1","6","1") = "9"
    & skf18("7","6","7","10","1","7","1") = "9"
    & skf18("7","6","7","10","1","8","1") = "9"
    & skf18("7","6","7","10","1","9","1") = "9"
    & skf18("7","6","7","10","1","10","1") = "9"
    & skf18("7","6","7","10","2","1","1") = "9"
    & skf18("7","6","7","10","2","2","1") = "9"
    & skf18("7","6","7","10","2","3","1") = "9"
    & skf18("7","6","7","10","2","4","1") = "9"
    & skf18("7","6","7","10","2","5","1") = "9"
    & skf18("7","6","7","10","2","6","1") = "9"
    & skf18("7","6","7","10","2","7","1") = "9"
    & skf18("7","6","7","10","2","8","1") = "9"
    & skf18("7","6","7","10","2","9","1") = "9"
    & skf18("7","6","7","10","2","10","1") = "9"
    & skf18("7","6","7","10","3","1","1") = "9"
    & skf18("7","6","7","10","3","2","1") = "9"
    & skf18("7","6","7","10","3","3","1") = "9"
    & skf18("7","6","7","10","3","4","1") = "9"
    & skf18("7","6","7","10","3","5","1") = "9"
    & skf18("7","6","7","10","3","6","1") = "9"
    & skf18("7","6","7","10","3","7","1") = "9"
    & skf18("7","6","7","10","3","8","1") = "9"
    & skf18("7","6","7","10","3","9","1") = "9"
    & skf18("7","6","7","10","3","10","1") = "9"
    & skf18("7","6","7","10","4","1","1") = "9"
    & skf18("7","6","7","10","4","2","1") = "9"
    & skf18("7","6","7","10","4","3","1") = "9"
    & skf18("7","6","7","10","4","4","1") = "9"
    & skf18("7","6","7","10","4","5","1") = "9"
    & skf18("7","6","7","10","4","6","1") = "9"
    & skf18("7","6","7","10","4","7","1") = "9"
    & skf18("7","6","7","10","4","8","1") = "9"
    & skf18("7","6","7","10","4","9","1") = "9"
    & skf18("7","6","7","10","4","10","1") = "9"
    & skf18("7","6","7","10","5","1","1") = "9"
    & skf18("7","6","7","10","5","2","1") = "9"
    & skf18("7","6","7","10","5","3","1") = "9"
    & skf18("7","6","7","10","5","4","1") = "9"
    & skf18("7","6","7","10","5","5","1") = "9"
    & skf18("7","6","7","10","5","6","1") = "9"
    & skf18("7","6","7","10","5","7","1") = "9"
    & skf18("7","6","7","10","5","8","1") = "9"
    & skf18("7","6","7","10","5","9","1") = "9"
    & skf18("7","6","7","10","5","10","1") = "9"
    & skf18("7","6","7","10","6","1","1") = "9"
    & skf18("7","6","7","10","6","2","1") = "9"
    & skf18("7","6","7","10","6","3","1") = "9"
    & skf18("7","6","7","10","6","4","1") = "9"
    & skf18("7","6","7","10","6","5","1") = "9"
    & skf18("7","6","7","10","6","6","1") = "9"
    & skf18("7","6","7","10","6","7","1") = "9"
    & skf18("7","6","7","10","6","8","1") = "9"
    & skf18("7","6","7","10","6","9","1") = "9"
    & skf18("7","6","7","10","6","10","1") = "9"
    & skf18("7","6","7","10","7","1","1") = "9"
    & skf18("7","6","7","10","7","2","1") = "9"
    & skf18("7","6","7","10","7","3","1") = "9"
    & skf18("7","6","7","10","7","4","1") = "9"
    & skf18("7","6","7","10","7","5","1") = "9"
    & skf18("7","6","7","10","7","6","1") = "9"
    & skf18("7","6","7","10","7","7","1") = "9"
    & skf18("7","6","7","10","7","8","1") = "9"
    & skf18("7","6","7","10","7","9","1") = "9"
    & skf18("7","6","7","10","7","10","1") = "9"
    & skf18("7","6","7","10","8","1","1") = "9"
    & skf18("7","6","7","10","8","2","1") = "9"
    & skf18("7","6","7","10","8","3","1") = "9"
    & skf18("7","6","7","10","8","4","1") = "9"
    & skf18("7","6","7","10","8","5","1") = "9"
    & skf18("7","6","7","10","8","6","1") = "9"
    & skf18("7","6","7","10","8","7","1") = "9"
    & skf18("7","6","7","10","8","8","1") = "9"
    & skf18("7","6","7","10","8","9","1") = "9"
    & skf18("7","6","7","10","8","10","1") = "9"
    & skf18("7","6","7","10","9","1","1") = "9"
    & skf18("7","6","7","10","9","2","1") = "9"
    & skf18("7","6","7","10","9","3","1") = "9"
    & skf18("7","6","7","10","9","4","1") = "9"
    & skf18("7","6","7","10","9","5","1") = "9"
    & skf18("7","6","7","10","9","6","1") = "9"
    & skf18("7","6","7","10","9","7","1") = "9"
    & skf18("7","6","7","10","9","8","1") = "9"
    & skf18("7","6","7","10","9","9","1") = "9"
    & skf18("7","6","7","10","9","10","1") = "9"
    & skf18("7","6","7","10","10","1","1") = "9"
    & skf18("7","6","7","10","10","2","1") = "9"
    & skf18("7","6","7","10","10","3","1") = "9"
    & skf18("7","6","7","10","10","4","1") = "9"
    & skf18("7","6","7","10","10","5","1") = "9"
    & skf18("7","6","7","10","10","6","1") = "9"
    & skf18("7","6","7","10","10","7","1") = "9"
    & skf18("7","6","7","10","10","8","1") = "9"
    & skf18("7","6","7","10","10","9","1") = "9"
    & skf18("7","6","7","10","10","10","1") = "9"
    & skf18("7","6","8","1","1","1","1") = "7"
    & skf18("7","6","8","1","1","2","1") = "7"
    & skf18("7","6","8","1","1","3","1") = "7"
    & skf18("7","6","8","1","1","4","1") = "7"
    & skf18("7","6","8","1","1","5","1") = "7"
    & skf18("7","6","8","1","1","6","1") = "7"
    & skf18("7","6","8","1","1","7","1") = "7"
    & skf18("7","6","8","1","1","8","1") = "7"
    & skf18("7","6","8","1","1","9","1") = "8"
    & skf18("7","6","8","1","1","10","1") = "9"
    & skf18("7","6","8","1","2","1","1") = "7"
    & skf18("7","6","8","1","2","2","1") = "7"
    & skf18("7","6","8","1","2","3","1") = "7"
    & skf18("7","6","8","1","2","4","1") = "7"
    & skf18("7","6","8","1","2","5","1") = "7"
    & skf18("7","6","8","1","2","6","1") = "7"
    & skf18("7","6","8","1","2","7","1") = "7"
    & skf18("7","6","8","1","2","8","1") = "7"
    & skf18("7","6","8","1","2","9","1") = "8"
    & skf18("7","6","8","1","2","10","1") = "9"
    & skf18("7","6","8","1","3","1","1") = "7"
    & skf18("7","6","8","1","3","2","1") = "7"
    & skf18("7","6","8","1","3","3","1") = "7"
    & skf18("7","6","8","1","3","4","1") = "7"
    & skf18("7","6","8","1","3","5","1") = "7"
    & skf18("7","6","8","1","3","6","1") = "7"
    & skf18("7","6","8","1","3","7","1") = "7"
    & skf18("7","6","8","1","3","8","1") = "7"
    & skf18("7","6","8","1","3","9","1") = "8"
    & skf18("7","6","8","1","3","10","1") = "9"
    & skf18("7","6","8","1","4","1","1") = "7"
    & skf18("7","6","8","1","4","2","1") = "7"
    & skf18("7","6","8","1","4","3","1") = "7"
    & skf18("7","6","8","1","4","4","1") = "7"
    & skf18("7","6","8","1","4","5","1") = "7"
    & skf18("7","6","8","1","4","6","1") = "7"
    & skf18("7","6","8","1","4","7","1") = "7"
    & skf18("7","6","8","1","4","8","1") = "7"
    & skf18("7","6","8","1","4","9","1") = "8"
    & skf18("7","6","8","1","4","10","1") = "9"
    & skf18("7","6","8","1","5","1","1") = "7"
    & skf18("7","6","8","1","5","2","1") = "7"
    & skf18("7","6","8","1","5","3","1") = "7"
    & skf18("7","6","8","1","5","4","1") = "7"
    & skf18("7","6","8","1","5","5","1") = "7"
    & skf18("7","6","8","1","5","6","1") = "7"
    & skf18("7","6","8","1","5","7","1") = "7"
    & skf18("7","6","8","1","5","8","1") = "7"
    & skf18("7","6","8","1","5","9","1") = "8"
    & skf18("7","6","8","1","5","10","1") = "9"
    & skf18("7","6","8","1","6","1","1") = "7"
    & skf18("7","6","8","1","6","2","1") = "7"
    & skf18("7","6","8","1","6","3","1") = "7"
    & skf18("7","6","8","1","6","4","1") = "7"
    & skf18("7","6","8","1","6","5","1") = "7"
    & skf18("7","6","8","1","6","6","1") = "7"
    & skf18("7","6","8","1","6","7","1") = "7"
    & skf18("7","6","8","1","6","8","1") = "7"
    & skf18("7","6","8","1","6","9","1") = "8"
    & skf18("7","6","8","1","6","10","1") = "9"
    & skf18("7","6","8","1","7","1","1") = "7"
    & skf18("7","6","8","1","7","2","1") = "7"
    & skf18("7","6","8","1","7","3","1") = "7"
    & skf18("7","6","8","1","7","4","1") = "7"
    & skf18("7","6","8","1","7","5","1") = "7"
    & skf18("7","6","8","1","7","6","1") = "7"
    & skf18("7","6","8","1","7","7","1") = "7"
    & skf18("7","6","8","1","7","8","1") = "7"
    & skf18("7","6","8","1","7","9","1") = "8"
    & skf18("7","6","8","1","7","10","1") = "9"
    & skf18("7","6","8","1","8","1","1") = "7"
    & skf18("7","6","8","1","8","2","1") = "7"
    & skf18("7","6","8","1","8","3","1") = "7"
    & skf18("7","6","8","1","8","4","1") = "7"
    & skf18("7","6","8","1","8","5","1") = "7"
    & skf18("7","6","8","1","8","6","1") = "7"
    & skf18("7","6","8","1","8","7","1") = "7"
    & skf18("7","6","8","1","8","8","1") = "7"
    & skf18("7","6","8","1","8","9","1") = "8"
    & skf18("7","6","8","1","8","10","1") = "9"
    & skf18("7","6","8","1","9","1","1") = "8"
    & skf18("7","6","8","1","9","2","1") = "8"
    & skf18("7","6","8","1","9","3","1") = "8"
    & skf18("7","6","8","1","9","4","1") = "8"
    & skf18("7","6","8","1","9","5","1") = "8"
    & skf18("7","6","8","1","9","6","1") = "8"
    & skf18("7","6","8","1","9","7","1") = "8"
    & skf18("7","6","8","1","9","8","1") = "8"
    & skf18("7","6","8","1","9","9","1") = "8"
    & skf18("7","6","8","1","9","10","1") = "9"
    & skf18("7","6","8","1","10","1","1") = "9"
    & skf18("7","6","8","1","10","2","1") = "9"
    & skf18("7","6","8","1","10","3","1") = "9"
    & skf18("7","6","8","1","10","4","1") = "9"
    & skf18("7","6","8","1","10","5","1") = "9"
    & skf18("7","6","8","1","10","6","1") = "9"
    & skf18("7","6","8","1","10","7","1") = "9"
    & skf18("7","6","8","1","10","8","1") = "9"
    & skf18("7","6","8","1","10","9","1") = "9"
    & skf18("7","6","8","1","10","10","1") = "9"
    & skf18("7","6","8","2","1","1","1") = "7"
    & skf18("7","6","8","2","1","2","1") = "7"
    & skf18("7","6","8","2","1","3","1") = "7"
    & skf18("7","6","8","2","1","4","1") = "7"
    & skf18("7","6","8","2","1","5","1") = "7"
    & skf18("7","6","8","2","1","6","1") = "7"
    & skf18("7","6","8","2","1","7","1") = "7"
    & skf18("7","6","8","2","1","8","1") = "7"
    & skf18("7","6","8","2","1","9","1") = "8"
    & skf18("7","6","8","2","1","10","1") = "9"
    & skf18("7","6","8","2","2","1","1") = "7"
    & skf18("7","6","8","2","2","2","1") = "7"
    & skf18("7","6","8","2","2","3","1") = "7"
    & skf18("7","6","8","2","2","4","1") = "7"
    & skf18("7","6","8","2","2","5","1") = "7"
    & skf18("7","6","8","2","2","6","1") = "7"
    & skf18("7","6","8","2","2","7","1") = "7"
    & skf18("7","6","8","2","2","8","1") = "7"
    & skf18("7","6","8","2","2","9","1") = "8"
    & skf18("7","6","8","2","2","10","1") = "9"
    & skf18("7","6","8","2","3","1","1") = "7"
    & skf18("7","6","8","2","3","2","1") = "7"
    & skf18("7","6","8","2","3","3","1") = "7"
    & skf18("7","6","8","2","3","4","1") = "7"
    & skf18("7","6","8","2","3","5","1") = "7"
    & skf18("7","6","8","2","3","6","1") = "7"
    & skf18("7","6","8","2","3","7","1") = "7"
    & skf18("7","6","8","2","3","8","1") = "7"
    & skf18("7","6","8","2","3","9","1") = "8"
    & skf18("7","6","8","2","3","10","1") = "9"
    & skf18("7","6","8","2","4","1","1") = "7"
    & skf18("7","6","8","2","4","2","1") = "7"
    & skf18("7","6","8","2","4","3","1") = "7"
    & skf18("7","6","8","2","4","4","1") = "7"
    & skf18("7","6","8","2","4","5","1") = "7"
    & skf18("7","6","8","2","4","6","1") = "7"
    & skf18("7","6","8","2","4","7","1") = "7"
    & skf18("7","6","8","2","4","8","1") = "7"
    & skf18("7","6","8","2","4","9","1") = "8"
    & skf18("7","6","8","2","4","10","1") = "9"
    & skf18("7","6","8","2","5","1","1") = "7"
    & skf18("7","6","8","2","5","2","1") = "7"
    & skf18("7","6","8","2","5","3","1") = "7"
    & skf18("7","6","8","2","5","4","1") = "7"
    & skf18("7","6","8","2","5","5","1") = "7"
    & skf18("7","6","8","2","5","6","1") = "7"
    & skf18("7","6","8","2","5","7","1") = "7"
    & skf18("7","6","8","2","5","8","1") = "7"
    & skf18("7","6","8","2","5","9","1") = "8"
    & skf18("7","6","8","2","5","10","1") = "9"
    & skf18("7","6","8","2","6","1","1") = "7"
    & skf18("7","6","8","2","6","2","1") = "7"
    & skf18("7","6","8","2","6","3","1") = "7"
    & skf18("7","6","8","2","6","4","1") = "7"
    & skf18("7","6","8","2","6","5","1") = "7"
    & skf18("7","6","8","2","6","6","1") = "7"
    & skf18("7","6","8","2","6","7","1") = "7"
    & skf18("7","6","8","2","6","8","1") = "7"
    & skf18("7","6","8","2","6","9","1") = "8"
    & skf18("7","6","8","2","6","10","1") = "9"
    & skf18("7","6","8","2","7","1","1") = "7"
    & skf18("7","6","8","2","7","2","1") = "7"
    & skf18("7","6","8","2","7","3","1") = "7"
    & skf18("7","6","8","2","7","4","1") = "7"
    & skf18("7","6","8","2","7","5","1") = "7"
    & skf18("7","6","8","2","7","6","1") = "7"
    & skf18("7","6","8","2","7","7","1") = "7"
    & skf18("7","6","8","2","7","8","1") = "7"
    & skf18("7","6","8","2","7","9","1") = "8"
    & skf18("7","6","8","2","7","10","1") = "9"
    & skf18("7","6","8","2","8","1","1") = "7"
    & skf18("7","6","8","2","8","2","1") = "7"
    & skf18("7","6","8","2","8","3","1") = "7"
    & skf18("7","6","8","2","8","4","1") = "7"
    & skf18("7","6","8","2","8","5","1") = "7"
    & skf18("7","6","8","2","8","6","1") = "7"
    & skf18("7","6","8","2","8","7","1") = "7"
    & skf18("7","6","8","2","8","8","1") = "7"
    & skf18("7","6","8","2","8","9","1") = "8"
    & skf18("7","6","8","2","8","10","1") = "9"
    & skf18("7","6","8","2","9","1","1") = "8"
    & skf18("7","6","8","2","9","2","1") = "8"
    & skf18("7","6","8","2","9","3","1") = "8"
    & skf18("7","6","8","2","9","4","1") = "8"
    & skf18("7","6","8","2","9","5","1") = "8"
    & skf18("7","6","8","2","9","6","1") = "8"
    & skf18("7","6","8","2","9","7","1") = "8"
    & skf18("7","6","8","2","9","8","1") = "8"
    & skf18("7","6","8","2","9","9","1") = "8"
    & skf18("7","6","8","2","9","10","1") = "9"
    & skf18("7","6","8","2","10","1","1") = "9"
    & skf18("7","6","8","2","10","2","1") = "9"
    & skf18("7","6","8","2","10","3","1") = "9"
    & skf18("7","6","8","2","10","4","1") = "9"
    & skf18("7","6","8","2","10","5","1") = "9"
    & skf18("7","6","8","2","10","6","1") = "9"
    & skf18("7","6","8","2","10","7","1") = "9"
    & skf18("7","6","8","2","10","8","1") = "9"
    & skf18("7","6","8","2","10","9","1") = "9"
    & skf18("7","6","8","2","10","10","1") = "9"
    & skf18("7","6","8","3","1","1","1") = "7"
    & skf18("7","6","8","3","1","2","1") = "7"
    & skf18("7","6","8","3","1","3","1") = "7"
    & skf18("7","6","8","3","1","4","1") = "7"
    & skf18("7","6","8","3","1","5","1") = "7"
    & skf18("7","6","8","3","1","6","1") = "7"
    & skf18("7","6","8","3","1","7","1") = "7"
    & skf18("7","6","8","3","1","8","1") = "7"
    & skf18("7","6","8","3","1","9","1") = "8"
    & skf18("7","6","8","3","1","10","1") = "9"
    & skf18("7","6","8","3","2","1","1") = "7"
    & skf18("7","6","8","3","2","2","1") = "7"
    & skf18("7","6","8","3","2","3","1") = "7"
    & skf18("7","6","8","3","2","4","1") = "7"
    & skf18("7","6","8","3","2","5","1") = "7"
    & skf18("7","6","8","3","2","6","1") = "7"
    & skf18("7","6","8","3","2","7","1") = "7"
    & skf18("7","6","8","3","2","8","1") = "7"
    & skf18("7","6","8","3","2","9","1") = "8"
    & skf18("7","6","8","3","2","10","1") = "9"
    & skf18("7","6","8","3","3","1","1") = "7"
    & skf18("7","6","8","3","3","2","1") = "7"
    & skf18("7","6","8","3","3","3","1") = "7"
    & skf18("7","6","8","3","3","4","1") = "7"
    & skf18("7","6","8","3","3","5","1") = "7"
    & skf18("7","6","8","3","3","6","1") = "7"
    & skf18("7","6","8","3","3","7","1") = "7"
    & skf18("7","6","8","3","3","8","1") = "7"
    & skf18("7","6","8","3","3","9","1") = "8"
    & skf18("7","6","8","3","3","10","1") = "9"
    & skf18("7","6","8","3","4","1","1") = "7"
    & skf18("7","6","8","3","4","2","1") = "7"
    & skf18("7","6","8","3","4","3","1") = "7"
    & skf18("7","6","8","3","4","4","1") = "7"
    & skf18("7","6","8","3","4","5","1") = "7"
    & skf18("7","6","8","3","4","6","1") = "7"
    & skf18("7","6","8","3","4","7","1") = "7"
    & skf18("7","6","8","3","4","8","1") = "7"
    & skf18("7","6","8","3","4","9","1") = "8"
    & skf18("7","6","8","3","4","10","1") = "9"
    & skf18("7","6","8","3","5","1","1") = "7"
    & skf18("7","6","8","3","5","2","1") = "7"
    & skf18("7","6","8","3","5","3","1") = "7"
    & skf18("7","6","8","3","5","4","1") = "7"
    & skf18("7","6","8","3","5","5","1") = "7"
    & skf18("7","6","8","3","5","6","1") = "7"
    & skf18("7","6","8","3","5","7","1") = "7"
    & skf18("7","6","8","3","5","8","1") = "7"
    & skf18("7","6","8","3","5","9","1") = "8"
    & skf18("7","6","8","3","5","10","1") = "9"
    & skf18("7","6","8","3","6","1","1") = "7"
    & skf18("7","6","8","3","6","2","1") = "7"
    & skf18("7","6","8","3","6","3","1") = "7"
    & skf18("7","6","8","3","6","4","1") = "7"
    & skf18("7","6","8","3","6","5","1") = "7"
    & skf18("7","6","8","3","6","6","1") = "7"
    & skf18("7","6","8","3","6","7","1") = "7"
    & skf18("7","6","8","3","6","8","1") = "7"
    & skf18("7","6","8","3","6","9","1") = "8"
    & skf18("7","6","8","3","6","10","1") = "9"
    & skf18("7","6","8","3","7","1","1") = "7"
    & skf18("7","6","8","3","7","2","1") = "7"
    & skf18("7","6","8","3","7","3","1") = "7"
    & skf18("7","6","8","3","7","4","1") = "7"
    & skf18("7","6","8","3","7","5","1") = "7"
    & skf18("7","6","8","3","7","6","1") = "7"
    & skf18("7","6","8","3","7","7","1") = "7"
    & skf18("7","6","8","3","7","8","1") = "7"
    & skf18("7","6","8","3","7","9","1") = "8"
    & skf18("7","6","8","3","7","10","1") = "9"
    & skf18("7","6","8","3","8","1","1") = "7"
    & skf18("7","6","8","3","8","2","1") = "7"
    & skf18("7","6","8","3","8","3","1") = "7"
    & skf18("7","6","8","3","8","4","1") = "7"
    & skf18("7","6","8","3","8","5","1") = "7"
    & skf18("7","6","8","3","8","6","1") = "7"
    & skf18("7","6","8","3","8","7","1") = "7"
    & skf18("7","6","8","3","8","8","1") = "7"
    & skf18("7","6","8","3","8","9","1") = "8"
    & skf18("7","6","8","3","8","10","1") = "9"
    & skf18("7","6","8","3","9","1","1") = "8"
    & skf18("7","6","8","3","9","2","1") = "8"
    & skf18("7","6","8","3","9","3","1") = "8"
    & skf18("7","6","8","3","9","4","1") = "8"
    & skf18("7","6","8","3","9","5","1") = "8"
    & skf18("7","6","8","3","9","6","1") = "8"
    & skf18("7","6","8","3","9","7","1") = "8"
    & skf18("7","6","8","3","9","8","1") = "8"
    & skf18("7","6","8","3","9","9","1") = "8"
    & skf18("7","6","8","3","9","10","1") = "9"
    & skf18("7","6","8","3","10","1","1") = "9"
    & skf18("7","6","8","3","10","2","1") = "9"
    & skf18("7","6","8","3","10","3","1") = "9"
    & skf18("7","6","8","3","10","4","1") = "9"
    & skf18("7","6","8","3","10","5","1") = "9"
    & skf18("7","6","8","3","10","6","1") = "9"
    & skf18("7","6","8","3","10","7","1") = "9"
    & skf18("7","6","8","3","10","8","1") = "9"
    & skf18("7","6","8","3","10","9","1") = "9"
    & skf18("7","6","8","3","10","10","1") = "9"
    & skf18("7","6","8","4","1","1","1") = "7"
    & skf18("7","6","8","4","1","2","1") = "7"
    & skf18("7","6","8","4","1","3","1") = "7"
    & skf18("7","6","8","4","1","4","1") = "7"
    & skf18("7","6","8","4","1","5","1") = "7"
    & skf18("7","6","8","4","1","6","1") = "7"
    & skf18("7","6","8","4","1","7","1") = "7"
    & skf18("7","6","8","4","1","8","1") = "7"
    & skf18("7","6","8","4","1","9","1") = "8"
    & skf18("7","6","8","4","1","10","1") = "9"
    & skf18("7","6","8","4","2","1","1") = "7"
    & skf18("7","6","8","4","2","2","1") = "7"
    & skf18("7","6","8","4","2","3","1") = "7"
    & skf18("7","6","8","4","2","4","1") = "7"
    & skf18("7","6","8","4","2","5","1") = "7"
    & skf18("7","6","8","4","2","6","1") = "7"
    & skf18("7","6","8","4","2","7","1") = "7"
    & skf18("7","6","8","4","2","8","1") = "7"
    & skf18("7","6","8","4","2","9","1") = "8"
    & skf18("7","6","8","4","2","10","1") = "9"
    & skf18("7","6","8","4","3","1","1") = "7"
    & skf18("7","6","8","4","3","2","1") = "7"
    & skf18("7","6","8","4","3","3","1") = "7"
    & skf18("7","6","8","4","3","4","1") = "7"
    & skf18("7","6","8","4","3","5","1") = "7"
    & skf18("7","6","8","4","3","6","1") = "7"
    & skf18("7","6","8","4","3","7","1") = "7"
    & skf18("7","6","8","4","3","8","1") = "7"
    & skf18("7","6","8","4","3","9","1") = "8"
    & skf18("7","6","8","4","3","10","1") = "9"
    & skf18("7","6","8","4","4","1","1") = "7"
    & skf18("7","6","8","4","4","2","1") = "7"
    & skf18("7","6","8","4","4","3","1") = "7"
    & skf18("7","6","8","4","4","4","1") = "7"
    & skf18("7","6","8","4","4","5","1") = "7"
    & skf18("7","6","8","4","4","6","1") = "7"
    & skf18("7","6","8","4","4","7","1") = "7"
    & skf18("7","6","8","4","4","8","1") = "7"
    & skf18("7","6","8","4","4","9","1") = "8"
    & skf18("7","6","8","4","4","10","1") = "9"
    & skf18("7","6","8","4","5","1","1") = "7"
    & skf18("7","6","8","4","5","2","1") = "7"
    & skf18("7","6","8","4","5","3","1") = "7"
    & skf18("7","6","8","4","5","4","1") = "7"
    & skf18("7","6","8","4","5","5","1") = "7"
    & skf18("7","6","8","4","5","6","1") = "7"
    & skf18("7","6","8","4","5","7","1") = "7"
    & skf18("7","6","8","4","5","8","1") = "7"
    & skf18("7","6","8","4","5","9","1") = "8"
    & skf18("7","6","8","4","5","10","1") = "9"
    & skf18("7","6","8","4","6","1","1") = "7"
    & skf18("7","6","8","4","6","2","1") = "7"
    & skf18("7","6","8","4","6","3","1") = "7"
    & skf18("7","6","8","4","6","4","1") = "7"
    & skf18("7","6","8","4","6","5","1") = "7"
    & skf18("7","6","8","4","6","6","1") = "7"
    & skf18("7","6","8","4","6","7","1") = "7"
    & skf18("7","6","8","4","6","8","1") = "7"
    & skf18("7","6","8","4","6","9","1") = "8"
    & skf18("7","6","8","4","6","10","1") = "9"
    & skf18("7","6","8","4","7","1","1") = "7"
    & skf18("7","6","8","4","7","2","1") = "7"
    & skf18("7","6","8","4","7","3","1") = "7"
    & skf18("7","6","8","4","7","4","1") = "7"
    & skf18("7","6","8","4","7","5","1") = "7"
    & skf18("7","6","8","4","7","6","1") = "7"
    & skf18("7","6","8","4","7","7","1") = "7"
    & skf18("7","6","8","4","7","8","1") = "7"
    & skf18("7","6","8","4","7","9","1") = "8"
    & skf18("7","6","8","4","7","10","1") = "9"
    & skf18("7","6","8","4","8","1","1") = "7"
    & skf18("7","6","8","4","8","2","1") = "7"
    & skf18("7","6","8","4","8","3","1") = "7"
    & skf18("7","6","8","4","8","4","1") = "7"
    & skf18("7","6","8","4","8","5","1") = "7"
    & skf18("7","6","8","4","8","6","1") = "7"
    & skf18("7","6","8","4","8","7","1") = "7"
    & skf18("7","6","8","4","8","8","1") = "7"
    & skf18("7","6","8","4","8","9","1") = "8"
    & skf18("7","6","8","4","8","10","1") = "9"
    & skf18("7","6","8","4","9","1","1") = "8"
    & skf18("7","6","8","4","9","2","1") = "8"
    & skf18("7","6","8","4","9","3","1") = "8"
    & skf18("7","6","8","4","9","4","1") = "8"
    & skf18("7","6","8","4","9","5","1") = "8"
    & skf18("7","6","8","4","9","6","1") = "8"
    & skf18("7","6","8","4","9","7","1") = "8"
    & skf18("7","6","8","4","9","8","1") = "8"
    & skf18("7","6","8","4","9","9","1") = "8"
    & skf18("7","6","8","4","9","10","1") = "9"
    & skf18("7","6","8","4","10","1","1") = "9"
    & skf18("7","6","8","4","10","2","1") = "9"
    & skf18("7","6","8","4","10","3","1") = "9"
    & skf18("7","6","8","4","10","4","1") = "9"
    & skf18("7","6","8","4","10","5","1") = "9"
    & skf18("7","6","8","4","10","6","1") = "9"
    & skf18("7","6","8","4","10","7","1") = "9"
    & skf18("7","6","8","4","10","8","1") = "9"
    & skf18("7","6","8","4","10","9","1") = "9"
    & skf18("7","6","8","4","10","10","1") = "9"
    & skf18("7","6","8","5","1","1","1") = "7"
    & skf18("7","6","8","5","1","2","1") = "7"
    & skf18("7","6","8","5","1","3","1") = "7"
    & skf18("7","6","8","5","1","4","1") = "7"
    & skf18("7","6","8","5","1","5","1") = "7"
    & skf18("7","6","8","5","1","6","1") = "7"
    & skf18("7","6","8","5","1","7","1") = "7"
    & skf18("7","6","8","5","1","8","1") = "7"
    & skf18("7","6","8","5","1","9","1") = "8"
    & skf18("7","6","8","5","1","10","1") = "9"
    & skf18("7","6","8","5","2","1","1") = "7"
    & skf18("7","6","8","5","2","2","1") = "7"
    & skf18("7","6","8","5","2","3","1") = "7"
    & skf18("7","6","8","5","2","4","1") = "7"
    & skf18("7","6","8","5","2","5","1") = "7"
    & skf18("7","6","8","5","2","6","1") = "7"
    & skf18("7","6","8","5","2","7","1") = "7"
    & skf18("7","6","8","5","2","8","1") = "7"
    & skf18("7","6","8","5","2","9","1") = "8"
    & skf18("7","6","8","5","2","10","1") = "9"
    & skf18("7","6","8","5","3","1","1") = "7"
    & skf18("7","6","8","5","3","2","1") = "7"
    & skf18("7","6","8","5","3","3","1") = "7"
    & skf18("7","6","8","5","3","4","1") = "7"
    & skf18("7","6","8","5","3","5","1") = "7"
    & skf18("7","6","8","5","3","6","1") = "7"
    & skf18("7","6","8","5","3","7","1") = "7"
    & skf18("7","6","8","5","3","8","1") = "7"
    & skf18("7","6","8","5","3","9","1") = "8"
    & skf18("7","6","8","5","3","10","1") = "9"
    & skf18("7","6","8","5","4","1","1") = "7"
    & skf18("7","6","8","5","4","2","1") = "7"
    & skf18("7","6","8","5","4","3","1") = "7"
    & skf18("7","6","8","5","4","4","1") = "7"
    & skf18("7","6","8","5","4","5","1") = "7"
    & skf18("7","6","8","5","4","6","1") = "7"
    & skf18("7","6","8","5","4","7","1") = "7"
    & skf18("7","6","8","5","4","8","1") = "7"
    & skf18("7","6","8","5","4","9","1") = "8"
    & skf18("7","6","8","5","4","10","1") = "9"
    & skf18("7","6","8","5","5","1","1") = "7"
    & skf18("7","6","8","5","5","2","1") = "7"
    & skf18("7","6","8","5","5","3","1") = "7"
    & skf18("7","6","8","5","5","4","1") = "7"
    & skf18("7","6","8","5","5","5","1") = "7"
    & skf18("7","6","8","5","5","6","1") = "7"
    & skf18("7","6","8","5","5","7","1") = "7"
    & skf18("7","6","8","5","5","8","1") = "7"
    & skf18("7","6","8","5","5","9","1") = "8"
    & skf18("7","6","8","5","5","10","1") = "9"
    & skf18("7","6","8","5","6","1","1") = "7"
    & skf18("7","6","8","5","6","2","1") = "7"
    & skf18("7","6","8","5","6","3","1") = "7"
    & skf18("7","6","8","5","6","4","1") = "7"
    & skf18("7","6","8","5","6","5","1") = "7"
    & skf18("7","6","8","5","6","6","1") = "7"
    & skf18("7","6","8","5","6","7","1") = "7"
    & skf18("7","6","8","5","6","8","1") = "7"
    & skf18("7","6","8","5","6","9","1") = "8"
    & skf18("7","6","8","5","6","10","1") = "9"
    & skf18("7","6","8","5","7","1","1") = "7"
    & skf18("7","6","8","5","7","2","1") = "7"
    & skf18("7","6","8","5","7","3","1") = "7"
    & skf18("7","6","8","5","7","4","1") = "7"
    & skf18("7","6","8","5","7","5","1") = "7"
    & skf18("7","6","8","5","7","6","1") = "7"
    & skf18("7","6","8","5","7","7","1") = "7"
    & skf18("7","6","8","5","7","8","1") = "7"
    & skf18("7","6","8","5","7","9","1") = "8"
    & skf18("7","6","8","5","7","10","1") = "9"
    & skf18("7","6","8","5","8","1","1") = "7"
    & skf18("7","6","8","5","8","2","1") = "7"
    & skf18("7","6","8","5","8","3","1") = "7"
    & skf18("7","6","8","5","8","4","1") = "7"
    & skf18("7","6","8","5","8","5","1") = "7"
    & skf18("7","6","8","5","8","6","1") = "7"
    & skf18("7","6","8","5","8","7","1") = "7"
    & skf18("7","6","8","5","8","8","1") = "7"
    & skf18("7","6","8","5","8","9","1") = "8"
    & skf18("7","6","8","5","8","10","1") = "9"
    & skf18("7","6","8","5","9","1","1") = "8"
    & skf18("7","6","8","5","9","2","1") = "8"
    & skf18("7","6","8","5","9","3","1") = "8"
    & skf18("7","6","8","5","9","4","1") = "8"
    & skf18("7","6","8","5","9","5","1") = "8"
    & skf18("7","6","8","5","9","6","1") = "8"
    & skf18("7","6","8","5","9","7","1") = "8"
    & skf18("7","6","8","5","9","8","1") = "8"
    & skf18("7","6","8","5","9","9","1") = "8"
    & skf18("7","6","8","5","9","10","1") = "9"
    & skf18("7","6","8","5","10","1","1") = "9"
    & skf18("7","6","8","5","10","2","1") = "9"
    & skf18("7","6","8","5","10","3","1") = "9"
    & skf18("7","6","8","5","10","4","1") = "9"
    & skf18("7","6","8","5","10","5","1") = "9"
    & skf18("7","6","8","5","10","6","1") = "9"
    & skf18("7","6","8","5","10","7","1") = "9"
    & skf18("7","6","8","5","10","8","1") = "9"
    & skf18("7","6","8","5","10","9","1") = "9"
    & skf18("7","6","8","5","10","10","1") = "9"
    & skf18("7","6","8","6","1","1","1") = "7"
    & skf18("7","6","8","6","1","2","1") = "7"
    & skf18("7","6","8","6","1","3","1") = "7"
    & skf18("7","6","8","6","1","4","1") = "7"
    & skf18("7","6","8","6","1","5","1") = "7"
    & skf18("7","6","8","6","1","6","1") = "7"
    & skf18("7","6","8","6","1","7","1") = "7"
    & skf18("7","6","8","6","1","8","1") = "7"
    & skf18("7","6","8","6","1","9","1") = "8"
    & skf18("7","6","8","6","1","10","1") = "9"
    & skf18("7","6","8","6","2","1","1") = "7"
    & skf18("7","6","8","6","2","2","1") = "7"
    & skf18("7","6","8","6","2","3","1") = "7"
    & skf18("7","6","8","6","2","4","1") = "7"
    & skf18("7","6","8","6","2","5","1") = "7"
    & skf18("7","6","8","6","2","6","1") = "7"
    & skf18("7","6","8","6","2","7","1") = "7"
    & skf18("7","6","8","6","2","8","1") = "7"
    & skf18("7","6","8","6","2","9","1") = "8"
    & skf18("7","6","8","6","2","10","1") = "9"
    & skf18("7","6","8","6","3","1","1") = "7"
    & skf18("7","6","8","6","3","2","1") = "7"
    & skf18("7","6","8","6","3","3","1") = "7"
    & skf18("7","6","8","6","3","4","1") = "7"
    & skf18("7","6","8","6","3","5","1") = "7"
    & skf18("7","6","8","6","3","6","1") = "7"
    & skf18("7","6","8","6","3","7","1") = "7"
    & skf18("7","6","8","6","3","8","1") = "7"
    & skf18("7","6","8","6","3","9","1") = "8"
    & skf18("7","6","8","6","3","10","1") = "9"
    & skf18("7","6","8","6","4","1","1") = "7"
    & skf18("7","6","8","6","4","2","1") = "7"
    & skf18("7","6","8","6","4","3","1") = "7"
    & skf18("7","6","8","6","4","4","1") = "7"
    & skf18("7","6","8","6","4","5","1") = "7"
    & skf18("7","6","8","6","4","6","1") = "7"
    & skf18("7","6","8","6","4","7","1") = "7"
    & skf18("7","6","8","6","4","8","1") = "7"
    & skf18("7","6","8","6","4","9","1") = "8"
    & skf18("7","6","8","6","4","10","1") = "9"
    & skf18("7","6","8","6","5","1","1") = "7"
    & skf18("7","6","8","6","5","2","1") = "7"
    & skf18("7","6","8","6","5","3","1") = "7"
    & skf18("7","6","8","6","5","4","1") = "7"
    & skf18("7","6","8","6","5","5","1") = "7"
    & skf18("7","6","8","6","5","6","1") = "7"
    & skf18("7","6","8","6","5","7","1") = "7"
    & skf18("7","6","8","6","5","8","1") = "7"
    & skf18("7","6","8","6","5","9","1") = "8"
    & skf18("7","6","8","6","5","10","1") = "9"
    & skf18("7","6","8","6","6","1","1") = "7"
    & skf18("7","6","8","6","6","2","1") = "7"
    & skf18("7","6","8","6","6","3","1") = "7"
    & skf18("7","6","8","6","6","4","1") = "7"
    & skf18("7","6","8","6","6","5","1") = "7"
    & skf18("7","6","8","6","6","6","1") = "7"
    & skf18("7","6","8","6","6","7","1") = "7"
    & skf18("7","6","8","6","6","8","1") = "7"
    & skf18("7","6","8","6","6","9","1") = "8"
    & skf18("7","6","8","6","6","10","1") = "9"
    & skf18("7","6","8","6","7","1","1") = "7"
    & skf18("7","6","8","6","7","2","1") = "7"
    & skf18("7","6","8","6","7","3","1") = "7"
    & skf18("7","6","8","6","7","4","1") = "7"
    & skf18("7","6","8","6","7","5","1") = "7"
    & skf18("7","6","8","6","7","6","1") = "7"
    & skf18("7","6","8","6","7","7","1") = "7"
    & skf18("7","6","8","6","7","8","1") = "7"
    & skf18("7","6","8","6","7","9","1") = "8"
    & skf18("7","6","8","6","7","10","1") = "9"
    & skf18("7","6","8","6","8","1","1") = "7"
    & skf18("7","6","8","6","8","2","1") = "7"
    & skf18("7","6","8","6","8","3","1") = "7"
    & skf18("7","6","8","6","8","4","1") = "7"
    & skf18("7","6","8","6","8","5","1") = "7"
    & skf18("7","6","8","6","8","6","1") = "7"
    & skf18("7","6","8","6","8","7","1") = "7"
    & skf18("7","6","8","6","8","8","1") = "7"
    & skf18("7","6","8","6","8","9","1") = "8"
    & skf18("7","6","8","6","8","10","1") = "9"
    & skf18("7","6","8","6","9","1","1") = "8"
    & skf18("7","6","8","6","9","2","1") = "8"
    & skf18("7","6","8","6","9","3","1") = "8"
    & skf18("7","6","8","6","9","4","1") = "8"
    & skf18("7","6","8","6","9","5","1") = "8"
    & skf18("7","6","8","6","9","6","1") = "8"
    & skf18("7","6","8","6","9","7","1") = "8"
    & skf18("7","6","8","6","9","8","1") = "8"
    & skf18("7","6","8","6","9","9","1") = "8"
    & skf18("7","6","8","6","9","10","1") = "9"
    & skf18("7","6","8","6","10","1","1") = "9"
    & skf18("7","6","8","6","10","2","1") = "9"
    & skf18("7","6","8","6","10","3","1") = "9"
    & skf18("7","6","8","6","10","4","1") = "9"
    & skf18("7","6","8","6","10","5","1") = "9"
    & skf18("7","6","8","6","10","6","1") = "9"
    & skf18("7","6","8","6","10","7","1") = "9"
    & skf18("7","6","8","6","10","8","1") = "9"
    & skf18("7","6","8","6","10","9","1") = "9"
    & skf18("7","6","8","6","10","10","1") = "9"
    & skf18("7","6","8","7","1","1","1") = "7"
    & skf18("7","6","8","7","1","2","1") = "7"
    & skf18("7","6","8","7","1","3","1") = "7"
    & skf18("7","6","8","7","1","4","1") = "7"
    & skf18("7","6","8","7","1","5","1") = "7"
    & skf18("7","6","8","7","1","6","1") = "7"
    & skf18("7","6","8","7","1","7","1") = "7"
    & skf18("7","6","8","7","1","8","1") = "7"
    & skf18("7","6","8","7","1","9","1") = "8"
    & skf18("7","6","8","7","1","10","1") = "9"
    & skf18("7","6","8","7","2","1","1") = "7"
    & skf18("7","6","8","7","2","2","1") = "7"
    & skf18("7","6","8","7","2","3","1") = "7"
    & skf18("7","6","8","7","2","4","1") = "7"
    & skf18("7","6","8","7","2","5","1") = "7"
    & skf18("7","6","8","7","2","6","1") = "7"
    & skf18("7","6","8","7","2","7","1") = "7"
    & skf18("7","6","8","7","2","8","1") = "7"
    & skf18("7","6","8","7","2","9","1") = "8"
    & skf18("7","6","8","7","2","10","1") = "9"
    & skf18("7","6","8","7","3","1","1") = "7"
    & skf18("7","6","8","7","3","2","1") = "7"
    & skf18("7","6","8","7","3","3","1") = "7"
    & skf18("7","6","8","7","3","4","1") = "7"
    & skf18("7","6","8","7","3","5","1") = "7"
    & skf18("7","6","8","7","3","6","1") = "7"
    & skf18("7","6","8","7","3","7","1") = "7"
    & skf18("7","6","8","7","3","8","1") = "7"
    & skf18("7","6","8","7","3","9","1") = "8"
    & skf18("7","6","8","7","3","10","1") = "9"
    & skf18("7","6","8","7","4","1","1") = "7"
    & skf18("7","6","8","7","4","2","1") = "7"
    & skf18("7","6","8","7","4","3","1") = "7"
    & skf18("7","6","8","7","4","4","1") = "7"
    & skf18("7","6","8","7","4","5","1") = "7"
    & skf18("7","6","8","7","4","6","1") = "7"
    & skf18("7","6","8","7","4","7","1") = "7"
    & skf18("7","6","8","7","4","8","1") = "7"
    & skf18("7","6","8","7","4","9","1") = "8"
    & skf18("7","6","8","7","4","10","1") = "9"
    & skf18("7","6","8","7","5","1","1") = "7"
    & skf18("7","6","8","7","5","2","1") = "7"
    & skf18("7","6","8","7","5","3","1") = "7"
    & skf18("7","6","8","7","5","4","1") = "7"
    & skf18("7","6","8","7","5","5","1") = "7"
    & skf18("7","6","8","7","5","6","1") = "7"
    & skf18("7","6","8","7","5","7","1") = "7"
    & skf18("7","6","8","7","5","8","1") = "7"
    & skf18("7","6","8","7","5","9","1") = "8"
    & skf18("7","6","8","7","5","10","1") = "9"
    & skf18("7","6","8","7","6","1","1") = "7"
    & skf18("7","6","8","7","6","2","1") = "7"
    & skf18("7","6","8","7","6","3","1") = "7"
    & skf18("7","6","8","7","6","4","1") = "7"
    & skf18("7","6","8","7","6","5","1") = "7"
    & skf18("7","6","8","7","6","6","1") = "7"
    & skf18("7","6","8","7","6","7","1") = "7"
    & skf18("7","6","8","7","6","8","1") = "7"
    & skf18("7","6","8","7","6","9","1") = "8"
    & skf18("7","6","8","7","6","10","1") = "9"
    & skf18("7","6","8","7","7","1","1") = "7"
    & skf18("7","6","8","7","7","2","1") = "7"
    & skf18("7","6","8","7","7","3","1") = "7"
    & skf18("7","6","8","7","7","4","1") = "7"
    & skf18("7","6","8","7","7","5","1") = "7"
    & skf18("7","6","8","7","7","6","1") = "7"
    & skf18("7","6","8","7","7","7","1") = "7"
    & skf18("7","6","8","7","7","8","1") = "7"
    & skf18("7","6","8","7","7","9","1") = "8"
    & skf18("7","6","8","7","7","10","1") = "9"
    & skf18("7","6","8","7","8","1","1") = "7"
    & skf18("7","6","8","7","8","2","1") = "7"
    & skf18("7","6","8","7","8","3","1") = "7"
    & skf18("7","6","8","7","8","4","1") = "7"
    & skf18("7","6","8","7","8","5","1") = "7"
    & skf18("7","6","8","7","8","6","1") = "7"
    & skf18("7","6","8","7","8","7","1") = "7"
    & skf18("7","6","8","7","8","8","1") = "7"
    & skf18("7","6","8","7","8","9","1") = "8"
    & skf18("7","6","8","7","8","10","1") = "9"
    & skf18("7","6","8","7","9","1","1") = "8"
    & skf18("7","6","8","7","9","2","1") = "8"
    & skf18("7","6","8","7","9","3","1") = "8"
    & skf18("7","6","8","7","9","4","1") = "8"
    & skf18("7","6","8","7","9","5","1") = "8"
    & skf18("7","6","8","7","9","6","1") = "8"
    & skf18("7","6","8","7","9","7","1") = "8"
    & skf18("7","6","8","7","9","8","1") = "8"
    & skf18("7","6","8","7","9","9","1") = "8"
    & skf18("7","6","8","7","9","10","1") = "9"
    & skf18("7","6","8","7","10","1","1") = "9"
    & skf18("7","6","8","7","10","2","1") = "9"
    & skf18("7","6","8","7","10","3","1") = "9"
    & skf18("7","6","8","7","10","4","1") = "9"
    & skf18("7","6","8","7","10","5","1") = "9"
    & skf18("7","6","8","7","10","6","1") = "9"
    & skf18("7","6","8","7","10","7","1") = "9"
    & skf18("7","6","8","7","10","8","1") = "9"
    & skf18("7","6","8","7","10","9","1") = "9"
    & skf18("7","6","8","7","10","10","1") = "9"
    & skf18("7","6","8","8","1","1","1") = "7"
    & skf18("7","6","8","8","1","2","1") = "7"
    & skf18("7","6","8","8","1","3","1") = "7"
    & skf18("7","6","8","8","1","4","1") = "7"
    & skf18("7","6","8","8","1","5","1") = "7"
    & skf18("7","6","8","8","1","6","1") = "7"
    & skf18("7","6","8","8","1","7","1") = "7"
    & skf18("7","6","8","8","1","8","1") = "7"
    & skf18("7","6","8","8","1","9","1") = "8"
    & skf18("7","6","8","8","1","10","1") = "9"
    & skf18("7","6","8","8","2","1","1") = "7"
    & skf18("7","6","8","8","2","2","1") = "7"
    & skf18("7","6","8","8","2","3","1") = "7"
    & skf18("7","6","8","8","2","4","1") = "7"
    & skf18("7","6","8","8","2","5","1") = "7"
    & skf18("7","6","8","8","2","6","1") = "7"
    & skf18("7","6","8","8","2","7","1") = "7"
    & skf18("7","6","8","8","2","8","1") = "7"
    & skf18("7","6","8","8","2","9","1") = "8"
    & skf18("7","6","8","8","2","10","1") = "9"
    & skf18("7","6","8","8","3","1","1") = "7"
    & skf18("7","6","8","8","3","2","1") = "7"
    & skf18("7","6","8","8","3","3","1") = "7"
    & skf18("7","6","8","8","3","4","1") = "7"
    & skf18("7","6","8","8","3","5","1") = "7"
    & skf18("7","6","8","8","3","6","1") = "7"
    & skf18("7","6","8","8","3","7","1") = "7"
    & skf18("7","6","8","8","3","8","1") = "7"
    & skf18("7","6","8","8","3","9","1") = "8"
    & skf18("7","6","8","8","3","10","1") = "9"
    & skf18("7","6","8","8","4","1","1") = "7"
    & skf18("7","6","8","8","4","2","1") = "7"
    & skf18("7","6","8","8","4","3","1") = "7"
    & skf18("7","6","8","8","4","4","1") = "7"
    & skf18("7","6","8","8","4","5","1") = "7"
    & skf18("7","6","8","8","4","6","1") = "7"
    & skf18("7","6","8","8","4","7","1") = "7"
    & skf18("7","6","8","8","4","8","1") = "7"
    & skf18("7","6","8","8","4","9","1") = "8"
    & skf18("7","6","8","8","4","10","1") = "9"
    & skf18("7","6","8","8","5","1","1") = "7"
    & skf18("7","6","8","8","5","2","1") = "7"
    & skf18("7","6","8","8","5","3","1") = "7"
    & skf18("7","6","8","8","5","4","1") = "7"
    & skf18("7","6","8","8","5","5","1") = "7"
    & skf18("7","6","8","8","5","6","1") = "7"
    & skf18("7","6","8","8","5","7","1") = "7"
    & skf18("7","6","8","8","5","8","1") = "7"
    & skf18("7","6","8","8","5","9","1") = "8"
    & skf18("7","6","8","8","5","10","1") = "9"
    & skf18("7","6","8","8","6","1","1") = "7"
    & skf18("7","6","8","8","6","2","1") = "7"
    & skf18("7","6","8","8","6","3","1") = "7"
    & skf18("7","6","8","8","6","4","1") = "7"
    & skf18("7","6","8","8","6","5","1") = "7"
    & skf18("7","6","8","8","6","6","1") = "7"
    & skf18("7","6","8","8","6","7","1") = "7"
    & skf18("7","6","8","8","6","8","1") = "7"
    & skf18("7","6","8","8","6","9","1") = "8"
    & skf18("7","6","8","8","6","10","1") = "9"
    & skf18("7","6","8","8","7","1","1") = "7"
    & skf18("7","6","8","8","7","2","1") = "7"
    & skf18("7","6","8","8","7","3","1") = "7"
    & skf18("7","6","8","8","7","4","1") = "7"
    & skf18("7","6","8","8","7","5","1") = "7"
    & skf18("7","6","8","8","7","6","1") = "7"
    & skf18("7","6","8","8","7","7","1") = "7"
    & skf18("7","6","8","8","7","8","1") = "7"
    & skf18("7","6","8","8","7","9","1") = "8"
    & skf18("7","6","8","8","7","10","1") = "9"
    & skf18("7","6","8","8","8","1","1") = "7"
    & skf18("7","6","8","8","8","2","1") = "7"
    & skf18("7","6","8","8","8","3","1") = "7"
    & skf18("7","6","8","8","8","4","1") = "7"
    & skf18("7","6","8","8","8","5","1") = "7"
    & skf18("7","6","8","8","8","6","1") = "7"
    & skf18("7","6","8","8","8","7","1") = "7"
    & skf18("7","6","8","8","8","8","1") = "7"
    & skf18("7","6","8","8","8","9","1") = "8"
    & skf18("7","6","8","8","8","10","1") = "9"
    & skf18("7","6","8","8","9","1","1") = "8"
    & skf18("7","6","8","8","9","2","1") = "8"
    & skf18("7","6","8","8","9","3","1") = "8"
    & skf18("7","6","8","8","9","4","1") = "8"
    & skf18("7","6","8","8","9","5","1") = "8"
    & skf18("7","6","8","8","9","6","1") = "8"
    & skf18("7","6","8","8","9","7","1") = "8"
    & skf18("7","6","8","8","9","8","1") = "8"
    & skf18("7","6","8","8","9","9","1") = "8"
    & skf18("7","6","8","8","9","10","1") = "9"
    & skf18("7","6","8","8","10","1","1") = "9"
    & skf18("7","6","8","8","10","2","1") = "9"
    & skf18("7","6","8","8","10","3","1") = "9"
    & skf18("7","6","8","8","10","4","1") = "9"
    & skf18("7","6","8","8","10","5","1") = "9"
    & skf18("7","6","8","8","10","6","1") = "9"
    & skf18("7","6","8","8","10","7","1") = "9"
    & skf18("7","6","8","8","10","8","1") = "9"
    & skf18("7","6","8","8","10","9","1") = "9"
    & skf18("7","6","8","8","10","10","1") = "9"
    & skf18("7","6","8","9","1","1","1") = "8"
    & skf18("7","6","8","9","1","2","1") = "8"
    & skf18("7","6","8","9","1","3","1") = "8"
    & skf18("7","6","8","9","1","4","1") = "8"
    & skf18("7","6","8","9","1","5","1") = "8"
    & skf18("7","6","8","9","1","6","1") = "8"
    & skf18("7","6","8","9","1","7","1") = "8"
    & skf18("7","6","8","9","1","8","1") = "8"
    & skf18("7","6","8","9","1","9","1") = "8"
    & skf18("7","6","8","9","1","10","1") = "9"
    & skf18("7","6","8","9","2","1","1") = "8"
    & skf18("7","6","8","9","2","2","1") = "8"
    & skf18("7","6","8","9","2","3","1") = "8"
    & skf18("7","6","8","9","2","4","1") = "8"
    & skf18("7","6","8","9","2","5","1") = "8"
    & skf18("7","6","8","9","2","6","1") = "8"
    & skf18("7","6","8","9","2","7","1") = "8"
    & skf18("7","6","8","9","2","8","1") = "8"
    & skf18("7","6","8","9","2","9","1") = "8"
    & skf18("7","6","8","9","2","10","1") = "9"
    & skf18("7","6","8","9","3","1","1") = "8"
    & skf18("7","6","8","9","3","2","1") = "8"
    & skf18("7","6","8","9","3","3","1") = "8"
    & skf18("7","6","8","9","3","4","1") = "8"
    & skf18("7","6","8","9","3","5","1") = "8"
    & skf18("7","6","8","9","3","6","1") = "8"
    & skf18("7","6","8","9","3","7","1") = "8"
    & skf18("7","6","8","9","3","8","1") = "8"
    & skf18("7","6","8","9","3","9","1") = "8"
    & skf18("7","6","8","9","3","10","1") = "9"
    & skf18("7","6","8","9","4","1","1") = "8"
    & skf18("7","6","8","9","4","2","1") = "8"
    & skf18("7","6","8","9","4","3","1") = "8"
    & skf18("7","6","8","9","4","4","1") = "8"
    & skf18("7","6","8","9","4","5","1") = "8"
    & skf18("7","6","8","9","4","6","1") = "8"
    & skf18("7","6","8","9","4","7","1") = "8"
    & skf18("7","6","8","9","4","8","1") = "8"
    & skf18("7","6","8","9","4","9","1") = "8"
    & skf18("7","6","8","9","4","10","1") = "9"
    & skf18("7","6","8","9","5","1","1") = "8"
    & skf18("7","6","8","9","5","2","1") = "8"
    & skf18("7","6","8","9","5","3","1") = "8"
    & skf18("7","6","8","9","5","4","1") = "8"
    & skf18("7","6","8","9","5","5","1") = "8"
    & skf18("7","6","8","9","5","6","1") = "8"
    & skf18("7","6","8","9","5","7","1") = "8"
    & skf18("7","6","8","9","5","8","1") = "8"
    & skf18("7","6","8","9","5","9","1") = "8"
    & skf18("7","6","8","9","5","10","1") = "9"
    & skf18("7","6","8","9","6","1","1") = "8"
    & skf18("7","6","8","9","6","2","1") = "8"
    & skf18("7","6","8","9","6","3","1") = "8"
    & skf18("7","6","8","9","6","4","1") = "8"
    & skf18("7","6","8","9","6","5","1") = "8"
    & skf18("7","6","8","9","6","6","1") = "8"
    & skf18("7","6","8","9","6","7","1") = "8"
    & skf18("7","6","8","9","6","8","1") = "8"
    & skf18("7","6","8","9","6","9","1") = "8"
    & skf18("7","6","8","9","6","10","1") = "9"
    & skf18("7","6","8","9","7","1","1") = "8"
    & skf18("7","6","8","9","7","2","1") = "8"
    & skf18("7","6","8","9","7","3","1") = "8"
    & skf18("7","6","8","9","7","4","1") = "8"
    & skf18("7","6","8","9","7","5","1") = "8"
    & skf18("7","6","8","9","7","6","1") = "8"
    & skf18("7","6","8","9","7","7","1") = "8"
    & skf18("7","6","8","9","7","8","1") = "8"
    & skf18("7","6","8","9","7","9","1") = "8"
    & skf18("7","6","8","9","7","10","1") = "9"
    & skf18("7","6","8","9","8","1","1") = "8"
    & skf18("7","6","8","9","8","2","1") = "8"
    & skf18("7","6","8","9","8","3","1") = "8"
    & skf18("7","6","8","9","8","4","1") = "8"
    & skf18("7","6","8","9","8","5","1") = "8"
    & skf18("7","6","8","9","8","6","1") = "8"
    & skf18("7","6","8","9","8","7","1") = "8"
    & skf18("7","6","8","9","8","8","1") = "8"
    & skf18("7","6","8","9","8","9","1") = "8"
    & skf18("7","6","8","9","8","10","1") = "9"
    & skf18("7","6","8","9","9","1","1") = "8"
    & skf18("7","6","8","9","9","2","1") = "8"
    & skf18("7","6","8","9","9","3","1") = "8"
    & skf18("7","6","8","9","9","4","1") = "8"
    & skf18("7","6","8","9","9","5","1") = "8"
    & skf18("7","6","8","9","9","6","1") = "8"
    & skf18("7","6","8","9","9","7","1") = "8"
    & skf18("7","6","8","9","9","8","1") = "8"
    & skf18("7","6","8","9","9","9","1") = "8"
    & skf18("7","6","8","9","9","10","1") = "9"
    & skf18("7","6","8","9","10","1","1") = "9"
    & skf18("7","6","8","9","10","2","1") = "9"
    & skf18("7","6","8","9","10","3","1") = "9"
    & skf18("7","6","8","9","10","4","1") = "9"
    & skf18("7","6","8","9","10","5","1") = "9"
    & skf18("7","6","8","9","10","6","1") = "9"
    & skf18("7","6","8","9","10","7","1") = "9"
    & skf18("7","6","8","9","10","8","1") = "9"
    & skf18("7","6","8","9","10","9","1") = "9"
    & skf18("7","6","8","9","10","10","1") = "9"
    & skf18("7","6","8","10","1","1","1") = "9"
    & skf18("7","6","8","10","1","2","1") = "9"
    & skf18("7","6","8","10","1","3","1") = "9"
    & skf18("7","6","8","10","1","4","1") = "9"
    & skf18("7","6","8","10","1","5","1") = "9"
    & skf18("7","6","8","10","1","6","1") = "9"
    & skf18("7","6","8","10","1","7","1") = "9"
    & skf18("7","6","8","10","1","8","1") = "9"
    & skf18("7","6","8","10","1","9","1") = "9"
    & skf18("7","6","8","10","1","10","1") = "9"
    & skf18("7","6","8","10","2","1","1") = "9"
    & skf18("7","6","8","10","2","2","1") = "9"
    & skf18("7","6","8","10","2","3","1") = "9"
    & skf18("7","6","8","10","2","4","1") = "9"
    & skf18("7","6","8","10","2","5","1") = "9"
    & skf18("7","6","8","10","2","6","1") = "9"
    & skf18("7","6","8","10","2","7","1") = "9"
    & skf18("7","6","8","10","2","8","1") = "9"
    & skf18("7","6","8","10","2","9","1") = "9"
    & skf18("7","6","8","10","2","10","1") = "9"
    & skf18("7","6","8","10","3","1","1") = "9"
    & skf18("7","6","8","10","3","2","1") = "9"
    & skf18("7","6","8","10","3","3","1") = "9"
    & skf18("7","6","8","10","3","4","1") = "9"
    & skf18("7","6","8","10","3","5","1") = "9"
    & skf18("7","6","8","10","3","6","1") = "9"
    & skf18("7","6","8","10","3","7","1") = "9"
    & skf18("7","6","8","10","3","8","1") = "9"
    & skf18("7","6","8","10","3","9","1") = "9"
    & skf18("7","6","8","10","3","10","1") = "9"
    & skf18("7","6","8","10","4","1","1") = "9"
    & skf18("7","6","8","10","4","2","1") = "9"
    & skf18("7","6","8","10","4","3","1") = "9"
    & skf18("7","6","8","10","4","4","1") = "9"
    & skf18("7","6","8","10","4","5","1") = "9"
    & skf18("7","6","8","10","4","6","1") = "9"
    & skf18("7","6","8","10","4","7","1") = "9"
    & skf18("7","6","8","10","4","8","1") = "9"
    & skf18("7","6","8","10","4","9","1") = "9"
    & skf18("7","6","8","10","4","10","1") = "9"
    & skf18("7","6","8","10","5","1","1") = "9"
    & skf18("7","6","8","10","5","2","1") = "9"
    & skf18("7","6","8","10","5","3","1") = "9"
    & skf18("7","6","8","10","5","4","1") = "9"
    & skf18("7","6","8","10","5","5","1") = "9"
    & skf18("7","6","8","10","5","6","1") = "9"
    & skf18("7","6","8","10","5","7","1") = "9"
    & skf18("7","6","8","10","5","8","1") = "9"
    & skf18("7","6","8","10","5","9","1") = "9"
    & skf18("7","6","8","10","5","10","1") = "9"
    & skf18("7","6","8","10","6","1","1") = "9"
    & skf18("7","6","8","10","6","2","1") = "9"
    & skf18("7","6","8","10","6","3","1") = "9"
    & skf18("7","6","8","10","6","4","1") = "9"
    & skf18("7","6","8","10","6","5","1") = "9"
    & skf18("7","6","8","10","6","6","1") = "9"
    & skf18("7","6","8","10","6","7","1") = "9"
    & skf18("7","6","8","10","6","8","1") = "9"
    & skf18("7","6","8","10","6","9","1") = "9"
    & skf18("7","6","8","10","6","10","1") = "9"
    & skf18("7","6","8","10","7","1","1") = "9"
    & skf18("7","6","8","10","7","2","1") = "9"
    & skf18("7","6","8","10","7","3","1") = "9"
    & skf18("7","6","8","10","7","4","1") = "9"
    & skf18("7","6","8","10","7","5","1") = "9"
    & skf18("7","6","8","10","7","6","1") = "9"
    & skf18("7","6","8","10","7","7","1") = "9"
    & skf18("7","6","8","10","7","8","1") = "9"
    & skf18("7","6","8","10","7","9","1") = "9"
    & skf18("7","6","8","10","7","10","1") = "9"
    & skf18("7","6","8","10","8","1","1") = "9"
    & skf18("7","6","8","10","8","2","1") = "9"
    & skf18("7","6","8","10","8","3","1") = "9"
    & skf18("7","6","8","10","8","4","1") = "9"
    & skf18("7","6","8","10","8","5","1") = "9"
    & skf18("7","6","8","10","8","6","1") = "9"
    & skf18("7","6","8","10","8","7","1") = "9"
    & skf18("7","6","8","10","8","8","1") = "9"
    & skf18("7","6","8","10","8","9","1") = "9"
    & skf18("7","6","8","10","8","10","1") = "9"
    & skf18("7","6","8","10","9","1","1") = "9"
    & skf18("7","6","8","10","9","2","1") = "9"
    & skf18("7","6","8","10","9","3","1") = "9"
    & skf18("7","6","8","10","9","4","1") = "9"
    & skf18("7","6","8","10","9","5","1") = "9"
    & skf18("7","6","8","10","9","6","1") = "9"
    & skf18("7","6","8","10","9","7","1") = "9"
    & skf18("7","6","8","10","9","8","1") = "9"
    & skf18("7","6","8","10","9","9","1") = "9"
    & skf18("7","6","8","10","9","10","1") = "9"
    & skf18("7","6","8","10","10","1","1") = "9"
    & skf18("7","6","8","10","10","2","1") = "9"
    & skf18("7","6","8","10","10","3","1") = "9"
    & skf18("7","6","8","10","10","4","1") = "9"
    & skf18("7","6","8","10","10","5","1") = "9"
    & skf18("7","6","8","10","10","6","1") = "9"
    & skf18("7","6","8","10","10","7","1") = "9"
    & skf18("7","6","8","10","10","8","1") = "9"
    & skf18("7","6","8","10","10","9","1") = "9"
    & skf18("7","6","8","10","10","10","1") = "9"
    & skf18("7","6","9","1","1","1","1") = "8"
    & skf18("7","6","9","1","1","2","1") = "8"
    & skf18("7","6","9","1","1","3","1") = "8"
    & skf18("7","6","9","1","1","4","1") = "8"
    & skf18("7","6","9","1","1","5","1") = "8"
    & skf18("7","6","9","1","1","6","1") = "8"
    & skf18("7","6","9","1","1","7","1") = "8"
    & skf18("7","6","9","1","1","8","1") = "8"
    & skf18("7","6","9","1","1","9","1") = "8"
    & skf18("7","6","9","1","1","10","1") = "9"
    & skf18("7","6","9","1","2","1","1") = "8"
    & skf18("7","6","9","1","2","2","1") = "8"
    & skf18("7","6","9","1","2","3","1") = "8"
    & skf18("7","6","9","1","2","4","1") = "8"
    & skf18("7","6","9","1","2","5","1") = "8"
    & skf18("7","6","9","1","2","6","1") = "8"
    & skf18("7","6","9","1","2","7","1") = "8"
    & skf18("7","6","9","1","2","8","1") = "8"
    & skf18("7","6","9","1","2","9","1") = "8"
    & skf18("7","6","9","1","2","10","1") = "9"
    & skf18("7","6","9","1","3","1","1") = "8"
    & skf18("7","6","9","1","3","2","1") = "8"
    & skf18("7","6","9","1","3","3","1") = "8"
    & skf18("7","6","9","1","3","4","1") = "8"
    & skf18("7","6","9","1","3","5","1") = "8"
    & skf18("7","6","9","1","3","6","1") = "8"
    & skf18("7","6","9","1","3","7","1") = "8"
    & skf18("7","6","9","1","3","8","1") = "8"
    & skf18("7","6","9","1","3","9","1") = "8"
    & skf18("7","6","9","1","3","10","1") = "9"
    & skf18("7","6","9","1","4","1","1") = "8"
    & skf18("7","6","9","1","4","2","1") = "8"
    & skf18("7","6","9","1","4","3","1") = "8"
    & skf18("7","6","9","1","4","4","1") = "8"
    & skf18("7","6","9","1","4","5","1") = "8"
    & skf18("7","6","9","1","4","6","1") = "8"
    & skf18("7","6","9","1","4","7","1") = "8"
    & skf18("7","6","9","1","4","8","1") = "8"
    & skf18("7","6","9","1","4","9","1") = "8"
    & skf18("7","6","9","1","4","10","1") = "9"
    & skf18("7","6","9","1","5","1","1") = "8"
    & skf18("7","6","9","1","5","2","1") = "8"
    & skf18("7","6","9","1","5","3","1") = "8"
    & skf18("7","6","9","1","5","4","1") = "8"
    & skf18("7","6","9","1","5","5","1") = "8"
    & skf18("7","6","9","1","5","6","1") = "8"
    & skf18("7","6","9","1","5","7","1") = "8"
    & skf18("7","6","9","1","5","8","1") = "8"
    & skf18("7","6","9","1","5","9","1") = "8"
    & skf18("7","6","9","1","5","10","1") = "9"
    & skf18("7","6","9","1","6","1","1") = "8"
    & skf18("7","6","9","1","6","2","1") = "8"
    & skf18("7","6","9","1","6","3","1") = "8"
    & skf18("7","6","9","1","6","4","1") = "8"
    & skf18("7","6","9","1","6","5","1") = "8"
    & skf18("7","6","9","1","6","6","1") = "8"
    & skf18("7","6","9","1","6","7","1") = "8"
    & skf18("7","6","9","1","6","8","1") = "8"
    & skf18("7","6","9","1","6","9","1") = "8"
    & skf18("7","6","9","1","6","10","1") = "9"
    & skf18("7","6","9","1","7","1","1") = "8"
    & skf18("7","6","9","1","7","2","1") = "8"
    & skf18("7","6","9","1","7","3","1") = "8"
    & skf18("7","6","9","1","7","4","1") = "8"
    & skf18("7","6","9","1","7","5","1") = "8"
    & skf18("7","6","9","1","7","6","1") = "8"
    & skf18("7","6","9","1","7","7","1") = "8"
    & skf18("7","6","9","1","7","8","1") = "8"
    & skf18("7","6","9","1","7","9","1") = "8"
    & skf18("7","6","9","1","7","10","1") = "9"
    & skf18("7","6","9","1","8","1","1") = "8"
    & skf18("7","6","9","1","8","2","1") = "8"
    & skf18("7","6","9","1","8","3","1") = "8"
    & skf18("7","6","9","1","8","4","1") = "8"
    & skf18("7","6","9","1","8","5","1") = "8"
    & skf18("7","6","9","1","8","6","1") = "8"
    & skf18("7","6","9","1","8","7","1") = "8"
    & skf18("7","6","9","1","8","8","1") = "8"
    & skf18("7","6","9","1","8","9","1") = "8"
    & skf18("7","6","9","1","8","10","1") = "9"
    & skf18("7","6","9","1","9","1","1") = "8"
    & skf18("7","6","9","1","9","2","1") = "8"
    & skf18("7","6","9","1","9","3","1") = "8"
    & skf18("7","6","9","1","9","4","1") = "8"
    & skf18("7","6","9","1","9","5","1") = "8"
    & skf18("7","6","9","1","9","6","1") = "8"
    & skf18("7","6","9","1","9","7","1") = "8"
    & skf18("7","6","9","1","9","8","1") = "8"
    & skf18("7","6","9","1","9","9","1") = "8"
    & skf18("7","6","9","1","9","10","1") = "9"
    & skf18("7","6","9","1","10","1","1") = "9"
    & skf18("7","6","9","1","10","2","1") = "9"
    & skf18("7","6","9","1","10","3","1") = "9"
    & skf18("7","6","9","1","10","4","1") = "9"
    & skf18("7","6","9","1","10","5","1") = "9"
    & skf18("7","6","9","1","10","6","1") = "9"
    & skf18("7","6","9","1","10","7","1") = "9"
    & skf18("7","6","9","1","10","8","1") = "9"
    & skf18("7","6","9","1","10","9","1") = "9"
    & skf18("7","6","9","1","10","10","1") = "9"
    & skf18("7","6","9","2","1","1","1") = "8"
    & skf18("7","6","9","2","1","2","1") = "8"
    & skf18("7","6","9","2","1","3","1") = "8"
    & skf18("7","6","9","2","1","4","1") = "8"
    & skf18("7","6","9","2","1","5","1") = "8"
    & skf18("7","6","9","2","1","6","1") = "8"
    & skf18("7","6","9","2","1","7","1") = "8"
    & skf18("7","6","9","2","1","8","1") = "8"
    & skf18("7","6","9","2","1","9","1") = "8"
    & skf18("7","6","9","2","1","10","1") = "9"
    & skf18("7","6","9","2","2","1","1") = "8"
    & skf18("7","6","9","2","2","2","1") = "8"
    & skf18("7","6","9","2","2","3","1") = "8"
    & skf18("7","6","9","2","2","4","1") = "8"
    & skf18("7","6","9","2","2","5","1") = "8"
    & skf18("7","6","9","2","2","6","1") = "8"
    & skf18("7","6","9","2","2","7","1") = "8"
    & skf18("7","6","9","2","2","8","1") = "8"
    & skf18("7","6","9","2","2","9","1") = "8"
    & skf18("7","6","9","2","2","10","1") = "9"
    & skf18("7","6","9","2","3","1","1") = "8"
    & skf18("7","6","9","2","3","2","1") = "8"
    & skf18("7","6","9","2","3","3","1") = "8"
    & skf18("7","6","9","2","3","4","1") = "8"
    & skf18("7","6","9","2","3","5","1") = "8"
    & skf18("7","6","9","2","3","6","1") = "8"
    & skf18("7","6","9","2","3","7","1") = "8"
    & skf18("7","6","9","2","3","8","1") = "8"
    & skf18("7","6","9","2","3","9","1") = "8"
    & skf18("7","6","9","2","3","10","1") = "9"
    & skf18("7","6","9","2","4","1","1") = "8"
    & skf18("7","6","9","2","4","2","1") = "8"
    & skf18("7","6","9","2","4","3","1") = "8"
    & skf18("7","6","9","2","4","4","1") = "8"
    & skf18("7","6","9","2","4","5","1") = "8"
    & skf18("7","6","9","2","4","6","1") = "8"
    & skf18("7","6","9","2","4","7","1") = "8"
    & skf18("7","6","9","2","4","8","1") = "8"
    & skf18("7","6","9","2","4","9","1") = "8"
    & skf18("7","6","9","2","4","10","1") = "9"
    & skf18("7","6","9","2","5","1","1") = "8"
    & skf18("7","6","9","2","5","2","1") = "8"
    & skf18("7","6","9","2","5","3","1") = "8"
    & skf18("7","6","9","2","5","4","1") = "8"
    & skf18("7","6","9","2","5","5","1") = "8"
    & skf18("7","6","9","2","5","6","1") = "8"
    & skf18("7","6","9","2","5","7","1") = "8"
    & skf18("7","6","9","2","5","8","1") = "8"
    & skf18("7","6","9","2","5","9","1") = "8"
    & skf18("7","6","9","2","5","10","1") = "9"
    & skf18("7","6","9","2","6","1","1") = "8"
    & skf18("7","6","9","2","6","2","1") = "8"
    & skf18("7","6","9","2","6","3","1") = "8"
    & skf18("7","6","9","2","6","4","1") = "8"
    & skf18("7","6","9","2","6","5","1") = "8"
    & skf18("7","6","9","2","6","6","1") = "8"
    & skf18("7","6","9","2","6","7","1") = "8"
    & skf18("7","6","9","2","6","8","1") = "8"
    & skf18("7","6","9","2","6","9","1") = "8"
    & skf18("7","6","9","2","6","10","1") = "9"
    & skf18("7","6","9","2","7","1","1") = "8"
    & skf18("7","6","9","2","7","2","1") = "8"
    & skf18("7","6","9","2","7","3","1") = "8"
    & skf18("7","6","9","2","7","4","1") = "8"
    & skf18("7","6","9","2","7","5","1") = "8"
    & skf18("7","6","9","2","7","6","1") = "8"
    & skf18("7","6","9","2","7","7","1") = "8"
    & skf18("7","6","9","2","7","8","1") = "8"
    & skf18("7","6","9","2","7","9","1") = "8"
    & skf18("7","6","9","2","7","10","1") = "9"
    & skf18("7","6","9","2","8","1","1") = "8"
    & skf18("7","6","9","2","8","2","1") = "8"
    & skf18("7","6","9","2","8","3","1") = "8"
    & skf18("7","6","9","2","8","4","1") = "8"
    & skf18("7","6","9","2","8","5","1") = "8"
    & skf18("7","6","9","2","8","6","1") = "8"
    & skf18("7","6","9","2","8","7","1") = "8"
    & skf18("7","6","9","2","8","8","1") = "8"
    & skf18("7","6","9","2","8","9","1") = "8"
    & skf18("7","6","9","2","8","10","1") = "9"
    & skf18("7","6","9","2","9","1","1") = "8"
    & skf18("7","6","9","2","9","2","1") = "8"
    & skf18("7","6","9","2","9","3","1") = "8"
    & skf18("7","6","9","2","9","4","1") = "8"
    & skf18("7","6","9","2","9","5","1") = "8"
    & skf18("7","6","9","2","9","6","1") = "8"
    & skf18("7","6","9","2","9","7","1") = "8"
    & skf18("7","6","9","2","9","8","1") = "8"
    & skf18("7","6","9","2","9","9","1") = "8"
    & skf18("7","6","9","2","9","10","1") = "9"
    & skf18("7","6","9","2","10","1","1") = "9"
    & skf18("7","6","9","2","10","2","1") = "9"
    & skf18("7","6","9","2","10","3","1") = "9"
    & skf18("7","6","9","2","10","4","1") = "9"
    & skf18("7","6","9","2","10","5","1") = "9"
    & skf18("7","6","9","2","10","6","1") = "9"
    & skf18("7","6","9","2","10","7","1") = "9"
    & skf18("7","6","9","2","10","8","1") = "9"
    & skf18("7","6","9","2","10","9","1") = "9"
    & skf18("7","6","9","2","10","10","1") = "9"
    & skf18("7","6","9","3","1","1","1") = "8"
    & skf18("7","6","9","3","1","2","1") = "8"
    & skf18("7","6","9","3","1","3","1") = "8"
    & skf18("7","6","9","3","1","4","1") = "8"
    & skf18("7","6","9","3","1","5","1") = "8"
    & skf18("7","6","9","3","1","6","1") = "8"
    & skf18("7","6","9","3","1","7","1") = "8"
    & skf18("7","6","9","3","1","8","1") = "8"
    & skf18("7","6","9","3","1","9","1") = "8"
    & skf18("7","6","9","3","1","10","1") = "9"
    & skf18("7","6","9","3","2","1","1") = "8"
    & skf18("7","6","9","3","2","2","1") = "8"
    & skf18("7","6","9","3","2","3","1") = "8"
    & skf18("7","6","9","3","2","4","1") = "8"
    & skf18("7","6","9","3","2","5","1") = "8"
    & skf18("7","6","9","3","2","6","1") = "8"
    & skf18("7","6","9","3","2","7","1") = "8"
    & skf18("7","6","9","3","2","8","1") = "8"
    & skf18("7","6","9","3","2","9","1") = "8"
    & skf18("7","6","9","3","2","10","1") = "9"
    & skf18("7","6","9","3","3","1","1") = "8"
    & skf18("7","6","9","3","3","2","1") = "8"
    & skf18("7","6","9","3","3","3","1") = "8"
    & skf18("7","6","9","3","3","4","1") = "8"
    & skf18("7","6","9","3","3","5","1") = "8"
    & skf18("7","6","9","3","3","6","1") = "8"
    & skf18("7","6","9","3","3","7","1") = "8"
    & skf18("7","6","9","3","3","8","1") = "8"
    & skf18("7","6","9","3","3","9","1") = "8"
    & skf18("7","6","9","3","3","10","1") = "9"
    & skf18("7","6","9","3","4","1","1") = "8"
    & skf18("7","6","9","3","4","2","1") = "8"
    & skf18("7","6","9","3","4","3","1") = "8"
    & skf18("7","6","9","3","4","4","1") = "8"
    & skf18("7","6","9","3","4","5","1") = "8"
    & skf18("7","6","9","3","4","6","1") = "8"
    & skf18("7","6","9","3","4","7","1") = "8"
    & skf18("7","6","9","3","4","8","1") = "8"
    & skf18("7","6","9","3","4","9","1") = "8"
    & skf18("7","6","9","3","4","10","1") = "9"
    & skf18("7","6","9","3","5","1","1") = "8"
    & skf18("7","6","9","3","5","2","1") = "8"
    & skf18("7","6","9","3","5","3","1") = "8"
    & skf18("7","6","9","3","5","4","1") = "8"
    & skf18("7","6","9","3","5","5","1") = "8"
    & skf18("7","6","9","3","5","6","1") = "8"
    & skf18("7","6","9","3","5","7","1") = "8"
    & skf18("7","6","9","3","5","8","1") = "8"
    & skf18("7","6","9","3","5","9","1") = "8"
    & skf18("7","6","9","3","5","10","1") = "9"
    & skf18("7","6","9","3","6","1","1") = "8"
    & skf18("7","6","9","3","6","2","1") = "8"
    & skf18("7","6","9","3","6","3","1") = "8"
    & skf18("7","6","9","3","6","4","1") = "8"
    & skf18("7","6","9","3","6","5","1") = "8"
    & skf18("7","6","9","3","6","6","1") = "8"
    & skf18("7","6","9","3","6","7","1") = "8"
    & skf18("7","6","9","3","6","8","1") = "8"
    & skf18("7","6","9","3","6","9","1") = "8"
    & skf18("7","6","9","3","6","10","1") = "9"
    & skf18("7","6","9","3","7","1","1") = "8"
    & skf18("7","6","9","3","7","2","1") = "8"
    & skf18("7","6","9","3","7","3","1") = "8"
    & skf18("7","6","9","3","7","4","1") = "8"
    & skf18("7","6","9","3","7","5","1") = "8"
    & skf18("7","6","9","3","7","6","1") = "8"
    & skf18("7","6","9","3","7","7","1") = "8"
    & skf18("7","6","9","3","7","8","1") = "8"
    & skf18("7","6","9","3","7","9","1") = "8"
    & skf18("7","6","9","3","7","10","1") = "9"
    & skf18("7","6","9","3","8","1","1") = "8"
    & skf18("7","6","9","3","8","2","1") = "8"
    & skf18("7","6","9","3","8","3","1") = "8"
    & skf18("7","6","9","3","8","4","1") = "8"
    & skf18("7","6","9","3","8","5","1") = "8"
    & skf18("7","6","9","3","8","6","1") = "8"
    & skf18("7","6","9","3","8","7","1") = "8"
    & skf18("7","6","9","3","8","8","1") = "8"
    & skf18("7","6","9","3","8","9","1") = "8"
    & skf18("7","6","9","3","8","10","1") = "9"
    & skf18("7","6","9","3","9","1","1") = "8"
    & skf18("7","6","9","3","9","2","1") = "8"
    & skf18("7","6","9","3","9","3","1") = "8"
    & skf18("7","6","9","3","9","4","1") = "8"
    & skf18("7","6","9","3","9","5","1") = "8"
    & skf18("7","6","9","3","9","6","1") = "8"
    & skf18("7","6","9","3","9","7","1") = "8"
    & skf18("7","6","9","3","9","8","1") = "8"
    & skf18("7","6","9","3","9","9","1") = "8"
    & skf18("7","6","9","3","9","10","1") = "9"
    & skf18("7","6","9","3","10","1","1") = "9"
    & skf18("7","6","9","3","10","2","1") = "9"
    & skf18("7","6","9","3","10","3","1") = "9"
    & skf18("7","6","9","3","10","4","1") = "9"
    & skf18("7","6","9","3","10","5","1") = "9"
    & skf18("7","6","9","3","10","6","1") = "9"
    & skf18("7","6","9","3","10","7","1") = "9"
    & skf18("7","6","9","3","10","8","1") = "9"
    & skf18("7","6","9","3","10","9","1") = "9"
    & skf18("7","6","9","3","10","10","1") = "9"
    & skf18("7","6","9","4","1","1","1") = "8"
    & skf18("7","6","9","4","1","2","1") = "8"
    & skf18("7","6","9","4","1","3","1") = "8"
    & skf18("7","6","9","4","1","4","1") = "8"
    & skf18("7","6","9","4","1","5","1") = "8"
    & skf18("7","6","9","4","1","6","1") = "8"
    & skf18("7","6","9","4","1","7","1") = "8"
    & skf18("7","6","9","4","1","8","1") = "8"
    & skf18("7","6","9","4","1","9","1") = "8"
    & skf18("7","6","9","4","1","10","1") = "9"
    & skf18("7","6","9","4","2","1","1") = "8"
    & skf18("7","6","9","4","2","2","1") = "8"
    & skf18("7","6","9","4","2","3","1") = "8"
    & skf18("7","6","9","4","2","4","1") = "8"
    & skf18("7","6","9","4","2","5","1") = "8"
    & skf18("7","6","9","4","2","6","1") = "8"
    & skf18("7","6","9","4","2","7","1") = "8"
    & skf18("7","6","9","4","2","8","1") = "8"
    & skf18("7","6","9","4","2","9","1") = "8"
    & skf18("7","6","9","4","2","10","1") = "9"
    & skf18("7","6","9","4","3","1","1") = "8"
    & skf18("7","6","9","4","3","2","1") = "8"
    & skf18("7","6","9","4","3","3","1") = "8"
    & skf18("7","6","9","4","3","4","1") = "8"
    & skf18("7","6","9","4","3","5","1") = "8"
    & skf18("7","6","9","4","3","6","1") = "8"
    & skf18("7","6","9","4","3","7","1") = "8"
    & skf18("7","6","9","4","3","8","1") = "8"
    & skf18("7","6","9","4","3","9","1") = "8"
    & skf18("7","6","9","4","3","10","1") = "9"
    & skf18("7","6","9","4","4","1","1") = "8"
    & skf18("7","6","9","4","4","2","1") = "8"
    & skf18("7","6","9","4","4","3","1") = "8"
    & skf18("7","6","9","4","4","4","1") = "8"
    & skf18("7","6","9","4","4","5","1") = "8"
    & skf18("7","6","9","4","4","6","1") = "8"
    & skf18("7","6","9","4","4","7","1") = "8"
    & skf18("7","6","9","4","4","8","1") = "8"
    & skf18("7","6","9","4","4","9","1") = "8"
    & skf18("7","6","9","4","4","10","1") = "9"
    & skf18("7","6","9","4","5","1","1") = "8"
    & skf18("7","6","9","4","5","2","1") = "8"
    & skf18("7","6","9","4","5","3","1") = "8"
    & skf18("7","6","9","4","5","4","1") = "8"
    & skf18("7","6","9","4","5","5","1") = "8"
    & skf18("7","6","9","4","5","6","1") = "8"
    & skf18("7","6","9","4","5","7","1") = "8"
    & skf18("7","6","9","4","5","8","1") = "8"
    & skf18("7","6","9","4","5","9","1") = "8"
    & skf18("7","6","9","4","5","10","1") = "9"
    & skf18("7","6","9","4","6","1","1") = "8"
    & skf18("7","6","9","4","6","2","1") = "8"
    & skf18("7","6","9","4","6","3","1") = "8"
    & skf18("7","6","9","4","6","4","1") = "8"
    & skf18("7","6","9","4","6","5","1") = "8"
    & skf18("7","6","9","4","6","6","1") = "8"
    & skf18("7","6","9","4","6","7","1") = "8"
    & skf18("7","6","9","4","6","8","1") = "8"
    & skf18("7","6","9","4","6","9","1") = "8"
    & skf18("7","6","9","4","6","10","1") = "9"
    & skf18("7","6","9","4","7","1","1") = "8"
    & skf18("7","6","9","4","7","2","1") = "8"
    & skf18("7","6","9","4","7","3","1") = "8"
    & skf18("7","6","9","4","7","4","1") = "8"
    & skf18("7","6","9","4","7","5","1") = "8"
    & skf18("7","6","9","4","7","6","1") = "8"
    & skf18("7","6","9","4","7","7","1") = "8"
    & skf18("7","6","9","4","7","8","1") = "8"
    & skf18("7","6","9","4","7","9","1") = "8"
    & skf18("7","6","9","4","7","10","1") = "9"
    & skf18("7","6","9","4","8","1","1") = "8"
    & skf18("7","6","9","4","8","2","1") = "8"
    & skf18("7","6","9","4","8","3","1") = "8"
    & skf18("7","6","9","4","8","4","1") = "8"
    & skf18("7","6","9","4","8","5","1") = "8"
    & skf18("7","6","9","4","8","6","1") = "8"
    & skf18("7","6","9","4","8","7","1") = "8"
    & skf18("7","6","9","4","8","8","1") = "8"
    & skf18("7","6","9","4","8","9","1") = "8"
    & skf18("7","6","9","4","8","10","1") = "9"
    & skf18("7","6","9","4","9","1","1") = "8"
    & skf18("7","6","9","4","9","2","1") = "8"
    & skf18("7","6","9","4","9","3","1") = "8"
    & skf18("7","6","9","4","9","4","1") = "8"
    & skf18("7","6","9","4","9","5","1") = "8"
    & skf18("7","6","9","4","9","6","1") = "8"
    & skf18("7","6","9","4","9","7","1") = "8"
    & skf18("7","6","9","4","9","8","1") = "8"
    & skf18("7","6","9","4","9","9","1") = "8"
    & skf18("7","6","9","4","9","10","1") = "9"
    & skf18("7","6","9","4","10","1","1") = "9"
    & skf18("7","6","9","4","10","2","1") = "9"
    & skf18("7","6","9","4","10","3","1") = "9"
    & skf18("7","6","9","4","10","4","1") = "9"
    & skf18("7","6","9","4","10","5","1") = "9"
    & skf18("7","6","9","4","10","6","1") = "9"
    & skf18("7","6","9","4","10","7","1") = "9"
    & skf18("7","6","9","4","10","8","1") = "9"
    & skf18("7","6","9","4","10","9","1") = "9"
    & skf18("7","6","9","4","10","10","1") = "9"
    & skf18("7","6","9","5","1","1","1") = "8"
    & skf18("7","6","9","5","1","2","1") = "8"
    & skf18("7","6","9","5","1","3","1") = "8"
    & skf18("7","6","9","5","1","4","1") = "8"
    & skf18("7","6","9","5","1","5","1") = "8"
    & skf18("7","6","9","5","1","6","1") = "8"
    & skf18("7","6","9","5","1","7","1") = "8"
    & skf18("7","6","9","5","1","8","1") = "8"
    & skf18("7","6","9","5","1","9","1") = "8"
    & skf18("7","6","9","5","1","10","1") = "9"
    & skf18("7","6","9","5","2","1","1") = "8"
    & skf18("7","6","9","5","2","2","1") = "8"
    & skf18("7","6","9","5","2","3","1") = "8"
    & skf18("7","6","9","5","2","4","1") = "8"
    & skf18("7","6","9","5","2","5","1") = "8"
    & skf18("7","6","9","5","2","6","1") = "8"
    & skf18("7","6","9","5","2","7","1") = "8"
    & skf18("7","6","9","5","2","8","1") = "8"
    & skf18("7","6","9","5","2","9","1") = "8"
    & skf18("7","6","9","5","2","10","1") = "9"
    & skf18("7","6","9","5","3","1","1") = "8"
    & skf18("7","6","9","5","3","2","1") = "8"
    & skf18("7","6","9","5","3","3","1") = "8"
    & skf18("7","6","9","5","3","4","1") = "8"
    & skf18("7","6","9","5","3","5","1") = "8"
    & skf18("7","6","9","5","3","6","1") = "8"
    & skf18("7","6","9","5","3","7","1") = "8"
    & skf18("7","6","9","5","3","8","1") = "8"
    & skf18("7","6","9","5","3","9","1") = "8"
    & skf18("7","6","9","5","3","10","1") = "9"
    & skf18("7","6","9","5","4","1","1") = "8"
    & skf18("7","6","9","5","4","2","1") = "8"
    & skf18("7","6","9","5","4","3","1") = "8"
    & skf18("7","6","9","5","4","4","1") = "8"
    & skf18("7","6","9","5","4","5","1") = "8"
    & skf18("7","6","9","5","4","6","1") = "8"
    & skf18("7","6","9","5","4","7","1") = "8"
    & skf18("7","6","9","5","4","8","1") = "8"
    & skf18("7","6","9","5","4","9","1") = "8"
    & skf18("7","6","9","5","4","10","1") = "9"
    & skf18("7","6","9","5","5","1","1") = "8"
    & skf18("7","6","9","5","5","2","1") = "8"
    & skf18("7","6","9","5","5","3","1") = "8"
    & skf18("7","6","9","5","5","4","1") = "8"
    & skf18("7","6","9","5","5","5","1") = "8"
    & skf18("7","6","9","5","5","6","1") = "8"
    & skf18("7","6","9","5","5","7","1") = "8"
    & skf18("7","6","9","5","5","8","1") = "8"
    & skf18("7","6","9","5","5","9","1") = "8"
    & skf18("7","6","9","5","5","10","1") = "9"
    & skf18("7","6","9","5","6","1","1") = "8"
    & skf18("7","6","9","5","6","2","1") = "8"
    & skf18("7","6","9","5","6","3","1") = "8"
    & skf18("7","6","9","5","6","4","1") = "8"
    & skf18("7","6","9","5","6","5","1") = "8"
    & skf18("7","6","9","5","6","6","1") = "8"
    & skf18("7","6","9","5","6","7","1") = "8"
    & skf18("7","6","9","5","6","8","1") = "8"
    & skf18("7","6","9","5","6","9","1") = "8"
    & skf18("7","6","9","5","6","10","1") = "9"
    & skf18("7","6","9","5","7","1","1") = "8"
    & skf18("7","6","9","5","7","2","1") = "8"
    & skf18("7","6","9","5","7","3","1") = "8"
    & skf18("7","6","9","5","7","4","1") = "8"
    & skf18("7","6","9","5","7","5","1") = "8"
    & skf18("7","6","9","5","7","6","1") = "8"
    & skf18("7","6","9","5","7","7","1") = "8"
    & skf18("7","6","9","5","7","8","1") = "8"
    & skf18("7","6","9","5","7","9","1") = "8"
    & skf18("7","6","9","5","7","10","1") = "9"
    & skf18("7","6","9","5","8","1","1") = "8"
    & skf18("7","6","9","5","8","2","1") = "8"
    & skf18("7","6","9","5","8","3","1") = "8"
    & skf18("7","6","9","5","8","4","1") = "8"
    & skf18("7","6","9","5","8","5","1") = "8"
    & skf18("7","6","9","5","8","6","1") = "8"
    & skf18("7","6","9","5","8","7","1") = "8"
    & skf18("7","6","9","5","8","8","1") = "8"
    & skf18("7","6","9","5","8","9","1") = "8"
    & skf18("7","6","9","5","8","10","1") = "9"
    & skf18("7","6","9","5","9","1","1") = "8"
    & skf18("7","6","9","5","9","2","1") = "8"
    & skf18("7","6","9","5","9","3","1") = "8"
    & skf18("7","6","9","5","9","4","1") = "8"
    & skf18("7","6","9","5","9","5","1") = "8"
    & skf18("7","6","9","5","9","6","1") = "8"
    & skf18("7","6","9","5","9","7","1") = "8"
    & skf18("7","6","9","5","9","8","1") = "8"
    & skf18("7","6","9","5","9","9","1") = "8"
    & skf18("7","6","9","5","9","10","1") = "9"
    & skf18("7","6","9","5","10","1","1") = "9"
    & skf18("7","6","9","5","10","2","1") = "9"
    & skf18("7","6","9","5","10","3","1") = "9"
    & skf18("7","6","9","5","10","4","1") = "9"
    & skf18("7","6","9","5","10","5","1") = "9"
    & skf18("7","6","9","5","10","6","1") = "9"
    & skf18("7","6","9","5","10","7","1") = "9"
    & skf18("7","6","9","5","10","8","1") = "9"
    & skf18("7","6","9","5","10","9","1") = "9"
    & skf18("7","6","9","5","10","10","1") = "9"
    & skf18("7","6","9","6","1","1","1") = "8"
    & skf18("7","6","9","6","1","2","1") = "8"
    & skf18("7","6","9","6","1","3","1") = "8"
    & skf18("7","6","9","6","1","4","1") = "8"
    & skf18("7","6","9","6","1","5","1") = "8"
    & skf18("7","6","9","6","1","6","1") = "8"
    & skf18("7","6","9","6","1","7","1") = "8"
    & skf18("7","6","9","6","1","8","1") = "8"
    & skf18("7","6","9","6","1","9","1") = "8"
    & skf18("7","6","9","6","1","10","1") = "9"
    & skf18("7","6","9","6","2","1","1") = "8"
    & skf18("7","6","9","6","2","2","1") = "8"
    & skf18("7","6","9","6","2","3","1") = "8"
    & skf18("7","6","9","6","2","4","1") = "8"
    & skf18("7","6","9","6","2","5","1") = "8"
    & skf18("7","6","9","6","2","6","1") = "8"
    & skf18("7","6","9","6","2","7","1") = "8"
    & skf18("7","6","9","6","2","8","1") = "8"
    & skf18("7","6","9","6","2","9","1") = "8"
    & skf18("7","6","9","6","2","10","1") = "9"
    & skf18("7","6","9","6","3","1","1") = "8"
    & skf18("7","6","9","6","3","2","1") = "8"
    & skf18("7","6","9","6","3","3","1") = "8"
    & skf18("7","6","9","6","3","4","1") = "8"
    & skf18("7","6","9","6","3","5","1") = "8"
    & skf18("7","6","9","6","3","6","1") = "8"
    & skf18("7","6","9","6","3","7","1") = "8"
    & skf18("7","6","9","6","3","8","1") = "8"
    & skf18("7","6","9","6","3","9","1") = "8"
    & skf18("7","6","9","6","3","10","1") = "9"
    & skf18("7","6","9","6","4","1","1") = "8"
    & skf18("7","6","9","6","4","2","1") = "8"
    & skf18("7","6","9","6","4","3","1") = "8"
    & skf18("7","6","9","6","4","4","1") = "8"
    & skf18("7","6","9","6","4","5","1") = "8"
    & skf18("7","6","9","6","4","6","1") = "8"
    & skf18("7","6","9","6","4","7","1") = "8"
    & skf18("7","6","9","6","4","8","1") = "8"
    & skf18("7","6","9","6","4","9","1") = "8"
    & skf18("7","6","9","6","4","10","1") = "9"
    & skf18("7","6","9","6","5","1","1") = "8"
    & skf18("7","6","9","6","5","2","1") = "8"
    & skf18("7","6","9","6","5","3","1") = "8"
    & skf18("7","6","9","6","5","4","1") = "8"
    & skf18("7","6","9","6","5","5","1") = "8"
    & skf18("7","6","9","6","5","6","1") = "8"
    & skf18("7","6","9","6","5","7","1") = "8"
    & skf18("7","6","9","6","5","8","1") = "8"
    & skf18("7","6","9","6","5","9","1") = "8"
    & skf18("7","6","9","6","5","10","1") = "9"
    & skf18("7","6","9","6","6","1","1") = "8"
    & skf18("7","6","9","6","6","2","1") = "8"
    & skf18("7","6","9","6","6","3","1") = "8"
    & skf18("7","6","9","6","6","4","1") = "8"
    & skf18("7","6","9","6","6","5","1") = "8"
    & skf18("7","6","9","6","6","6","1") = "8"
    & skf18("7","6","9","6","6","7","1") = "8"
    & skf18("7","6","9","6","6","8","1") = "8"
    & skf18("7","6","9","6","6","9","1") = "8"
    & skf18("7","6","9","6","6","10","1") = "9"
    & skf18("7","6","9","6","7","1","1") = "8"
    & skf18("7","6","9","6","7","2","1") = "8"
    & skf18("7","6","9","6","7","3","1") = "8"
    & skf18("7","6","9","6","7","4","1") = "8"
    & skf18("7","6","9","6","7","5","1") = "8"
    & skf18("7","6","9","6","7","6","1") = "8"
    & skf18("7","6","9","6","7","7","1") = "8"
    & skf18("7","6","9","6","7","8","1") = "8"
    & skf18("7","6","9","6","7","9","1") = "8"
    & skf18("7","6","9","6","7","10","1") = "9"
    & skf18("7","6","9","6","8","1","1") = "8"
    & skf18("7","6","9","6","8","2","1") = "8"
    & skf18("7","6","9","6","8","3","1") = "8"
    & skf18("7","6","9","6","8","4","1") = "8"
    & skf18("7","6","9","6","8","5","1") = "8"
    & skf18("7","6","9","6","8","6","1") = "8"
    & skf18("7","6","9","6","8","7","1") = "8"
    & skf18("7","6","9","6","8","8","1") = "8"
    & skf18("7","6","9","6","8","9","1") = "8"
    & skf18("7","6","9","6","8","10","1") = "9"
    & skf18("7","6","9","6","9","1","1") = "8"
    & skf18("7","6","9","6","9","2","1") = "8"
    & skf18("7","6","9","6","9","3","1") = "8"
    & skf18("7","6","9","6","9","4","1") = "8"
    & skf18("7","6","9","6","9","5","1") = "8"
    & skf18("7","6","9","6","9","6","1") = "8"
    & skf18("7","6","9","6","9","7","1") = "8"
    & skf18("7","6","9","6","9","8","1") = "8"
    & skf18("7","6","9","6","9","9","1") = "8"
    & skf18("7","6","9","6","9","10","1") = "9"
    & skf18("7","6","9","6","10","1","1") = "9"
    & skf18("7","6","9","6","10","2","1") = "9"
    & skf18("7","6","9","6","10","3","1") = "9"
    & skf18("7","6","9","6","10","4","1") = "9"
    & skf18("7","6","9","6","10","5","1") = "9"
    & skf18("7","6","9","6","10","6","1") = "9"
    & skf18("7","6","9","6","10","7","1") = "9"
    & skf18("7","6","9","6","10","8","1") = "9"
    & skf18("7","6","9","6","10","9","1") = "9"
    & skf18("7","6","9","6","10","10","1") = "9"
    & skf18("7","6","9","7","1","1","1") = "8"
    & skf18("7","6","9","7","1","2","1") = "8"
    & skf18("7","6","9","7","1","3","1") = "8"
    & skf18("7","6","9","7","1","4","1") = "8"
    & skf18("7","6","9","7","1","5","1") = "8"
    & skf18("7","6","9","7","1","6","1") = "8"
    & skf18("7","6","9","7","1","7","1") = "8"
    & skf18("7","6","9","7","1","8","1") = "8"
    & skf18("7","6","9","7","1","9","1") = "8"
    & skf18("7","6","9","7","1","10","1") = "9"
    & skf18("7","6","9","7","2","1","1") = "8"
    & skf18("7","6","9","7","2","2","1") = "8"
    & skf18("7","6","9","7","2","3","1") = "8"
    & skf18("7","6","9","7","2","4","1") = "8"
    & skf18("7","6","9","7","2","5","1") = "8"
    & skf18("7","6","9","7","2","6","1") = "8"
    & skf18("7","6","9","7","2","7","1") = "8"
    & skf18("7","6","9","7","2","8","1") = "8"
    & skf18("7","6","9","7","2","9","1") = "8"
    & skf18("7","6","9","7","2","10","1") = "9"
    & skf18("7","6","9","7","3","1","1") = "8"
    & skf18("7","6","9","7","3","2","1") = "8"
    & skf18("7","6","9","7","3","3","1") = "8"
    & skf18("7","6","9","7","3","4","1") = "8"
    & skf18("7","6","9","7","3","5","1") = "8"
    & skf18("7","6","9","7","3","6","1") = "8"
    & skf18("7","6","9","7","3","7","1") = "8"
    & skf18("7","6","9","7","3","8","1") = "8"
    & skf18("7","6","9","7","3","9","1") = "8"
    & skf18("7","6","9","7","3","10","1") = "9"
    & skf18("7","6","9","7","4","1","1") = "8"
    & skf18("7","6","9","7","4","2","1") = "8"
    & skf18("7","6","9","7","4","3","1") = "8"
    & skf18("7","6","9","7","4","4","1") = "8"
    & skf18("7","6","9","7","4","5","1") = "8"
    & skf18("7","6","9","7","4","6","1") = "8"
    & skf18("7","6","9","7","4","7","1") = "8"
    & skf18("7","6","9","7","4","8","1") = "8"
    & skf18("7","6","9","7","4","9","1") = "8"
    & skf18("7","6","9","7","4","10","1") = "9"
    & skf18("7","6","9","7","5","1","1") = "8"
    & skf18("7","6","9","7","5","2","1") = "8"
    & skf18("7","6","9","7","5","3","1") = "8"
    & skf18("7","6","9","7","5","4","1") = "8"
    & skf18("7","6","9","7","5","5","1") = "8"
    & skf18("7","6","9","7","5","6","1") = "8"
    & skf18("7","6","9","7","5","7","1") = "8"
    & skf18("7","6","9","7","5","8","1") = "8"
    & skf18("7","6","9","7","5","9","1") = "8"
    & skf18("7","6","9","7","5","10","1") = "9"
    & skf18("7","6","9","7","6","1","1") = "8"
    & skf18("7","6","9","7","6","2","1") = "8"
    & skf18("7","6","9","7","6","3","1") = "8"
    & skf18("7","6","9","7","6","4","1") = "8"
    & skf18("7","6","9","7","6","5","1") = "8"
    & skf18("7","6","9","7","6","6","1") = "8"
    & skf18("7","6","9","7","6","7","1") = "8"
    & skf18("7","6","9","7","6","8","1") = "8"
    & skf18("7","6","9","7","6","9","1") = "8"
    & skf18("7","6","9","7","6","10","1") = "9"
    & skf18("7","6","9","7","7","1","1") = "8"
    & skf18("7","6","9","7","7","2","1") = "8"
    & skf18("7","6","9","7","7","3","1") = "8"
    & skf18("7","6","9","7","7","4","1") = "8"
    & skf18("7","6","9","7","7","5","1") = "8"
    & skf18("7","6","9","7","7","6","1") = "8"
    & skf18("7","6","9","7","7","7","1") = "8"
    & skf18("7","6","9","7","7","8","1") = "8"
    & skf18("7","6","9","7","7","9","1") = "8"
    & skf18("7","6","9","7","7","10","1") = "9"
    & skf18("7","6","9","7","8","1","1") = "8"
    & skf18("7","6","9","7","8","2","1") = "8"
    & skf18("7","6","9","7","8","3","1") = "8"
    & skf18("7","6","9","7","8","4","1") = "8"
    & skf18("7","6","9","7","8","5","1") = "8"
    & skf18("7","6","9","7","8","6","1") = "8"
    & skf18("7","6","9","7","8","7","1") = "8"
    & skf18("7","6","9","7","8","8","1") = "8"
    & skf18("7","6","9","7","8","9","1") = "8"
    & skf18("7","6","9","7","8","10","1") = "9"
    & skf18("7","6","9","7","9","1","1") = "8"
    & skf18("7","6","9","7","9","2","1") = "8"
    & skf18("7","6","9","7","9","3","1") = "8"
    & skf18("7","6","9","7","9","4","1") = "8"
    & skf18("7","6","9","7","9","5","1") = "8"
    & skf18("7","6","9","7","9","6","1") = "8"
    & skf18("7","6","9","7","9","7","1") = "8"
    & skf18("7","6","9","7","9","8","1") = "8"
    & skf18("7","6","9","7","9","9","1") = "8"
    & skf18("7","6","9","7","9","10","1") = "9"
    & skf18("7","6","9","7","10","1","1") = "9"
    & skf18("7","6","9","7","10","2","1") = "9"
    & skf18("7","6","9","7","10","3","1") = "9"
    & skf18("7","6","9","7","10","4","1") = "9"
    & skf18("7","6","9","7","10","5","1") = "9"
    & skf18("7","6","9","7","10","6","1") = "9"
    & skf18("7","6","9","7","10","7","1") = "9"
    & skf18("7","6","9","7","10","8","1") = "9"
    & skf18("7","6","9","7","10","9","1") = "9"
    & skf18("7","6","9","7","10","10","1") = "9"
    & skf18("7","6","9","8","1","1","1") = "8"
    & skf18("7","6","9","8","1","2","1") = "8"
    & skf18("7","6","9","8","1","3","1") = "8"
    & skf18("7","6","9","8","1","4","1") = "8"
    & skf18("7","6","9","8","1","5","1") = "8"
    & skf18("7","6","9","8","1","6","1") = "8"
    & skf18("7","6","9","8","1","7","1") = "8"
    & skf18("7","6","9","8","1","8","1") = "8"
    & skf18("7","6","9","8","1","9","1") = "8"
    & skf18("7","6","9","8","1","10","1") = "9"
    & skf18("7","6","9","8","2","1","1") = "8"
    & skf18("7","6","9","8","2","2","1") = "8"
    & skf18("7","6","9","8","2","3","1") = "8"
    & skf18("7","6","9","8","2","4","1") = "8"
    & skf18("7","6","9","8","2","5","1") = "8"
    & skf18("7","6","9","8","2","6","1") = "8"
    & skf18("7","6","9","8","2","7","1") = "8"
    & skf18("7","6","9","8","2","8","1") = "8"
    & skf18("7","6","9","8","2","9","1") = "8"
    & skf18("7","6","9","8","2","10","1") = "9"
    & skf18("7","6","9","8","3","1","1") = "8"
    & skf18("7","6","9","8","3","2","1") = "8"
    & skf18("7","6","9","8","3","3","1") = "8"
    & skf18("7","6","9","8","3","4","1") = "8"
    & skf18("7","6","9","8","3","5","1") = "8"
    & skf18("7","6","9","8","3","6","1") = "8"
    & skf18("7","6","9","8","3","7","1") = "8"
    & skf18("7","6","9","8","3","8","1") = "8"
    & skf18("7","6","9","8","3","9","1") = "8"
    & skf18("7","6","9","8","3","10","1") = "9"
    & skf18("7","6","9","8","4","1","1") = "8"
    & skf18("7","6","9","8","4","2","1") = "8"
    & skf18("7","6","9","8","4","3","1") = "8"
    & skf18("7","6","9","8","4","4","1") = "8"
    & skf18("7","6","9","8","4","5","1") = "8"
    & skf18("7","6","9","8","4","6","1") = "8"
    & skf18("7","6","9","8","4","7","1") = "8"
    & skf18("7","6","9","8","4","8","1") = "8"
    & skf18("7","6","9","8","4","9","1") = "8"
    & skf18("7","6","9","8","4","10","1") = "9"
    & skf18("7","6","9","8","5","1","1") = "8"
    & skf18("7","6","9","8","5","2","1") = "8"
    & skf18("7","6","9","8","5","3","1") = "8"
    & skf18("7","6","9","8","5","4","1") = "8"
    & skf18("7","6","9","8","5","5","1") = "8"
    & skf18("7","6","9","8","5","6","1") = "8"
    & skf18("7","6","9","8","5","7","1") = "8"
    & skf18("7","6","9","8","5","8","1") = "8"
    & skf18("7","6","9","8","5","9","1") = "8"
    & skf18("7","6","9","8","5","10","1") = "9"
    & skf18("7","6","9","8","6","1","1") = "8"
    & skf18("7","6","9","8","6","2","1") = "8"
    & skf18("7","6","9","8","6","3","1") = "8"
    & skf18("7","6","9","8","6","4","1") = "8"
    & skf18("7","6","9","8","6","5","1") = "8"
    & skf18("7","6","9","8","6","6","1") = "8"
    & skf18("7","6","9","8","6","7","1") = "8"
    & skf18("7","6","9","8","6","8","1") = "8"
    & skf18("7","6","9","8","6","9","1") = "8"
    & skf18("7","6","9","8","6","10","1") = "9"
    & skf18("7","6","9","8","7","1","1") = "8"
    & skf18("7","6","9","8","7","2","1") = "8"
    & skf18("7","6","9","8","7","3","1") = "8"
    & skf18("7","6","9","8","7","4","1") = "8"
    & skf18("7","6","9","8","7","5","1") = "8"
    & skf18("7","6","9","8","7","6","1") = "8"
    & skf18("7","6","9","8","7","7","1") = "8"
    & skf18("7","6","9","8","7","8","1") = "8"
    & skf18("7","6","9","8","7","9","1") = "8"
    & skf18("7","6","9","8","7","10","1") = "9"
    & skf18("7","6","9","8","8","1","1") = "8"
    & skf18("7","6","9","8","8","2","1") = "8"
    & skf18("7","6","9","8","8","3","1") = "8"
    & skf18("7","6","9","8","8","4","1") = "8"
    & skf18("7","6","9","8","8","5","1") = "8"
    & skf18("7","6","9","8","8","6","1") = "8"
    & skf18("7","6","9","8","8","7","1") = "8"
    & skf18("7","6","9","8","8","8","1") = "8"
    & skf18("7","6","9","8","8","9","1") = "8"
    & skf18("7","6","9","8","8","10","1") = "9"
    & skf18("7","6","9","8","9","1","1") = "8"
    & skf18("7","6","9","8","9","2","1") = "8"
    & skf18("7","6","9","8","9","3","1") = "8"
    & skf18("7","6","9","8","9","4","1") = "8"
    & skf18("7","6","9","8","9","5","1") = "8"
    & skf18("7","6","9","8","9","6","1") = "8"
    & skf18("7","6","9","8","9","7","1") = "8"
    & skf18("7","6","9","8","9","8","1") = "8"
    & skf18("7","6","9","8","9","9","1") = "8"
    & skf18("7","6","9","8","9","10","1") = "9"
    & skf18("7","6","9","8","10","1","1") = "9"
    & skf18("7","6","9","8","10","2","1") = "9"
    & skf18("7","6","9","8","10","3","1") = "9"
    & skf18("7","6","9","8","10","4","1") = "9"
    & skf18("7","6","9","8","10","5","1") = "9"
    & skf18("7","6","9","8","10","6","1") = "9"
    & skf18("7","6","9","8","10","7","1") = "9"
    & skf18("7","6","9","8","10","8","1") = "9"
    & skf18("7","6","9","8","10","9","1") = "9"
    & skf18("7","6","9","8","10","10","1") = "9"
    & skf18("7","6","9","9","1","1","1") = "8"
    & skf18("7","6","9","9","1","2","1") = "8"
    & skf18("7","6","9","9","1","3","1") = "8"
    & skf18("7","6","9","9","1","4","1") = "8"
    & skf18("7","6","9","9","1","5","1") = "8"
    & skf18("7","6","9","9","1","6","1") = "8"
    & skf18("7","6","9","9","1","7","1") = "8"
    & skf18("7","6","9","9","1","8","1") = "8"
    & skf18("7","6","9","9","1","9","1") = "8"
    & skf18("7","6","9","9","1","10","1") = "9"
    & skf18("7","6","9","9","2","1","1") = "8"
    & skf18("7","6","9","9","2","2","1") = "8"
    & skf18("7","6","9","9","2","3","1") = "8"
    & skf18("7","6","9","9","2","4","1") = "8"
    & skf18("7","6","9","9","2","5","1") = "8"
    & skf18("7","6","9","9","2","6","1") = "8"
    & skf18("7","6","9","9","2","7","1") = "8"
    & skf18("7","6","9","9","2","8","1") = "8"
    & skf18("7","6","9","9","2","9","1") = "8"
    & skf18("7","6","9","9","2","10","1") = "9"
    & skf18("7","6","9","9","3","1","1") = "8"
    & skf18("7","6","9","9","3","2","1") = "8"
    & skf18("7","6","9","9","3","3","1") = "8"
    & skf18("7","6","9","9","3","4","1") = "8"
    & skf18("7","6","9","9","3","5","1") = "8"
    & skf18("7","6","9","9","3","6","1") = "8"
    & skf18("7","6","9","9","3","7","1") = "8"
    & skf18("7","6","9","9","3","8","1") = "8"
    & skf18("7","6","9","9","3","9","1") = "8"
    & skf18("7","6","9","9","3","10","1") = "9"
    & skf18("7","6","9","9","4","1","1") = "8"
    & skf18("7","6","9","9","4","2","1") = "8"
    & skf18("7","6","9","9","4","3","1") = "8"
    & skf18("7","6","9","9","4","4","1") = "8"
    & skf18("7","6","9","9","4","5","1") = "8"
    & skf18("7","6","9","9","4","6","1") = "8"
    & skf18("7","6","9","9","4","7","1") = "8"
    & skf18("7","6","9","9","4","8","1") = "8"
    & skf18("7","6","9","9","4","9","1") = "8"
    & skf18("7","6","9","9","4","10","1") = "9"
    & skf18("7","6","9","9","5","1","1") = "8"
    & skf18("7","6","9","9","5","2","1") = "8"
    & skf18("7","6","9","9","5","3","1") = "8"
    & skf18("7","6","9","9","5","4","1") = "8"
    & skf18("7","6","9","9","5","5","1") = "8"
    & skf18("7","6","9","9","5","6","1") = "8"
    & skf18("7","6","9","9","5","7","1") = "8"
    & skf18("7","6","9","9","5","8","1") = "8"
    & skf18("7","6","9","9","5","9","1") = "8"
    & skf18("7","6","9","9","5","10","1") = "9"
    & skf18("7","6","9","9","6","1","1") = "8"
    & skf18("7","6","9","9","6","2","1") = "8"
    & skf18("7","6","9","9","6","3","1") = "8"
    & skf18("7","6","9","9","6","4","1") = "8"
    & skf18("7","6","9","9","6","5","1") = "8"
    & skf18("7","6","9","9","6","6","1") = "8"
    & skf18("7","6","9","9","6","7","1") = "8"
    & skf18("7","6","9","9","6","8","1") = "8"
    & skf18("7","6","9","9","6","9","1") = "8"
    & skf18("7","6","9","9","6","10","1") = "9"
    & skf18("7","6","9","9","7","1","1") = "8"
    & skf18("7","6","9","9","7","2","1") = "8"
    & skf18("7","6","9","9","7","3","1") = "8"
    & skf18("7","6","9","9","7","4","1") = "8"
    & skf18("7","6","9","9","7","5","1") = "8"
    & skf18("7","6","9","9","7","6","1") = "8"
    & skf18("7","6","9","9","7","7","1") = "8"
    & skf18("7","6","9","9","7","8","1") = "8"
    & skf18("7","6","9","9","7","9","1") = "8"
    & skf18("7","6","9","9","7","10","1") = "9"
    & skf18("7","6","9","9","8","1","1") = "8"
    & skf18("7","6","9","9","8","2","1") = "8"
    & skf18("7","6","9","9","8","3","1") = "8"
    & skf18("7","6","9","9","8","4","1") = "8"
    & skf18("7","6","9","9","8","5","1") = "8"
    & skf18("7","6","9","9","8","6","1") = "8"
    & skf18("7","6","9","9","8","7","1") = "8"
    & skf18("7","6","9","9","8","8","1") = "8"
    & skf18("7","6","9","9","8","9","1") = "8"
    & skf18("7","6","9","9","8","10","1") = "9"
    & skf18("7","6","9","9","9","1","1") = "8"
    & skf18("7","6","9","9","9","2","1") = "8"
    & skf18("7","6","9","9","9","3","1") = "8"
    & skf18("7","6","9","9","9","4","1") = "8"
    & skf18("7","6","9","9","9","5","1") = "8"
    & skf18("7","6","9","9","9","6","1") = "8"
    & skf18("7","6","9","9","9","7","1") = "8"
    & skf18("7","6","9","9","9","8","1") = "8"
    & skf18("7","6","9","9","9","9","1") = "8"
    & skf18("7","6","9","9","9","10","1") = "9"
    & skf18("7","6","9","9","10","1","1") = "9"
    & skf18("7","6","9","9","10","2","1") = "9"
    & skf18("7","6","9","9","10","3","1") = "9"
    & skf18("7","6","9","9","10","4","1") = "9"
    & skf18("7","6","9","9","10","5","1") = "9"
    & skf18("7","6","9","9","10","6","1") = "9"
    & skf18("7","6","9","9","10","7","1") = "9"
    & skf18("7","6","9","9","10","8","1") = "9"
    & skf18("7","6","9","9","10","9","1") = "9"
    & skf18("7","6","9","9","10","10","1") = "9"
    & skf18("7","6","9","10","1","1","1") = "9"
    & skf18("7","6","9","10","1","2","1") = "9"
    & skf18("7","6","9","10","1","3","1") = "9"
    & skf18("7","6","9","10","1","4","1") = "9"
    & skf18("7","6","9","10","1","5","1") = "9"
    & skf18("7","6","9","10","1","6","1") = "9"
    & skf18("7","6","9","10","1","7","1") = "9"
    & skf18("7","6","9","10","1","8","1") = "9"
    & skf18("7","6","9","10","1","9","1") = "9"
    & skf18("7","6","9","10","1","10","1") = "9"
    & skf18("7","6","9","10","2","1","1") = "9"
    & skf18("7","6","9","10","2","2","1") = "9"
    & skf18("7","6","9","10","2","3","1") = "9"
    & skf18("7","6","9","10","2","4","1") = "9"
    & skf18("7","6","9","10","2","5","1") = "9"
    & skf18("7","6","9","10","2","6","1") = "9"
    & skf18("7","6","9","10","2","7","1") = "9"
    & skf18("7","6","9","10","2","8","1") = "9"
    & skf18("7","6","9","10","2","9","1") = "9"
    & skf18("7","6","9","10","2","10","1") = "9"
    & skf18("7","6","9","10","3","1","1") = "9"
    & skf18("7","6","9","10","3","2","1") = "9"
    & skf18("7","6","9","10","3","3","1") = "9"
    & skf18("7","6","9","10","3","4","1") = "9"
    & skf18("7","6","9","10","3","5","1") = "9"
    & skf18("7","6","9","10","3","6","1") = "9"
    & skf18("7","6","9","10","3","7","1") = "9"
    & skf18("7","6","9","10","3","8","1") = "9"
    & skf18("7","6","9","10","3","9","1") = "9"
    & skf18("7","6","9","10","3","10","1") = "9"
    & skf18("7","6","9","10","4","1","1") = "9"
    & skf18("7","6","9","10","4","2","1") = "9"
    & skf18("7","6","9","10","4","3","1") = "9"
    & skf18("7","6","9","10","4","4","1") = "9"
    & skf18("7","6","9","10","4","5","1") = "9"
    & skf18("7","6","9","10","4","6","1") = "9"
    & skf18("7","6","9","10","4","7","1") = "9"
    & skf18("7","6","9","10","4","8","1") = "9"
    & skf18("7","6","9","10","4","9","1") = "9"
    & skf18("7","6","9","10","4","10","1") = "9"
    & skf18("7","6","9","10","5","1","1") = "9"
    & skf18("7","6","9","10","5","2","1") = "9"
    & skf18("7","6","9","10","5","3","1") = "9"
    & skf18("7","6","9","10","5","4","1") = "9"
    & skf18("7","6","9","10","5","5","1") = "9"
    & skf18("7","6","9","10","5","6","1") = "9"
    & skf18("7","6","9","10","5","7","1") = "9"
    & skf18("7","6","9","10","5","8","1") = "9"
    & skf18("7","6","9","10","5","9","1") = "9"
    & skf18("7","6","9","10","5","10","1") = "9"
    & skf18("7","6","9","10","6","1","1") = "9"
    & skf18("7","6","9","10","6","2","1") = "9"
    & skf18("7","6","9","10","6","3","1") = "9"
    & skf18("7","6","9","10","6","4","1") = "9"
    & skf18("7","6","9","10","6","5","1") = "9"
    & skf18("7","6","9","10","6","6","1") = "9"
    & skf18("7","6","9","10","6","7","1") = "9"
    & skf18("7","6","9","10","6","8","1") = "9"
    & skf18("7","6","9","10","6","9","1") = "9"
    & skf18("7","6","9","10","6","10","1") = "9"
    & skf18("7","6","9","10","7","1","1") = "9"
    & skf18("7","6","9","10","7","2","1") = "9"
    & skf18("7","6","9","10","7","3","1") = "9"
    & skf18("7","6","9","10","7","4","1") = "9"
    & skf18("7","6","9","10","7","5","1") = "9"
    & skf18("7","6","9","10","7","6","1") = "9"
    & skf18("7","6","9","10","7","7","1") = "9"
    & skf18("7","6","9","10","7","8","1") = "9"
    & skf18("7","6","9","10","7","9","1") = "9"
    & skf18("7","6","9","10","7","10","1") = "9"
    & skf18("7","6","9","10","8","1","1") = "9"
    & skf18("7","6","9","10","8","2","1") = "9"
    & skf18("7","6","9","10","8","3","1") = "9"
    & skf18("7","6","9","10","8","4","1") = "9"
    & skf18("7","6","9","10","8","5","1") = "9"
    & skf18("7","6","9","10","8","6","1") = "9"
    & skf18("7","6","9","10","8","7","1") = "9"
    & skf18("7","6","9","10","8","8","1") = "9"
    & skf18("7","6","9","10","8","9","1") = "9"
    & skf18("7","6","9","10","8","10","1") = "9"
    & skf18("7","6","9","10","9","1","1") = "9"
    & skf18("7","6","9","10","9","2","1") = "9"
    & skf18("7","6","9","10","9","3","1") = "9"
    & skf18("7","6","9","10","9","4","1") = "9"
    & skf18("7","6","9","10","9","5","1") = "9"
    & skf18("7","6","9","10","9","6","1") = "9"
    & skf18("7","6","9","10","9","7","1") = "9"
    & skf18("7","6","9","10","9","8","1") = "9"
    & skf18("7","6","9","10","9","9","1") = "9"
    & skf18("7","6","9","10","9","10","1") = "9"
    & skf18("7","6","9","10","10","1","1") = "9"
    & skf18("7","6","9","10","10","2","1") = "9"
    & skf18("7","6","9","10","10","3","1") = "9"
    & skf18("7","6","9","10","10","4","1") = "9"
    & skf18("7","6","9","10","10","5","1") = "9"
    & skf18("7","6","9","10","10","6","1") = "9"
    & skf18("7","6","9","10","10","7","1") = "9"
    & skf18("7","6","9","10","10","8","1") = "9"
    & skf18("7","6","9","10","10","9","1") = "9"
    & skf18("7","6","9","10","10","10","1") = "9"
    & skf18("7","6","10","1","1","1","1") = "9"
    & skf18("7","6","10","1","1","2","1") = "9"
    & skf18("7","6","10","1","1","3","1") = "9"
    & skf18("7","6","10","1","1","4","1") = "9"
    & skf18("7","6","10","1","1","5","1") = "9"
    & skf18("7","6","10","1","1","6","1") = "9"
    & skf18("7","6","10","1","1","7","1") = "9"
    & skf18("7","6","10","1","1","8","1") = "9"
    & skf18("7","6","10","1","1","9","1") = "9"
    & skf18("7","6","10","1","1","10","1") = "9"
    & skf18("7","6","10","1","2","1","1") = "9"
    & skf18("7","6","10","1","2","2","1") = "9"
    & skf18("7","6","10","1","2","3","1") = "9"
    & skf18("7","6","10","1","2","4","1") = "9"
    & skf18("7","6","10","1","2","5","1") = "9"
    & skf18("7","6","10","1","2","6","1") = "9"
    & skf18("7","6","10","1","2","7","1") = "9"
    & skf18("7","6","10","1","2","8","1") = "9"
    & skf18("7","6","10","1","2","9","1") = "9"
    & skf18("7","6","10","1","2","10","1") = "9"
    & skf18("7","6","10","1","3","1","1") = "9"
    & skf18("7","6","10","1","3","2","1") = "9"
    & skf18("7","6","10","1","3","3","1") = "9"
    & skf18("7","6","10","1","3","4","1") = "9"
    & skf18("7","6","10","1","3","5","1") = "9"
    & skf18("7","6","10","1","3","6","1") = "9"
    & skf18("7","6","10","1","3","7","1") = "9"
    & skf18("7","6","10","1","3","8","1") = "9"
    & skf18("7","6","10","1","3","9","1") = "9"
    & skf18("7","6","10","1","3","10","1") = "9"
    & skf18("7","6","10","1","4","1","1") = "9"
    & skf18("7","6","10","1","4","2","1") = "9"
    & skf18("7","6","10","1","4","3","1") = "9"
    & skf18("7","6","10","1","4","4","1") = "9"
    & skf18("7","6","10","1","4","5","1") = "9"
    & skf18("7","6","10","1","4","6","1") = "9"
    & skf18("7","6","10","1","4","7","1") = "9"
    & skf18("7","6","10","1","4","8","1") = "9"
    & skf18("7","6","10","1","4","9","1") = "9"
    & skf18("7","6","10","1","4","10","1") = "9"
    & skf18("7","6","10","1","5","1","1") = "9"
    & skf18("7","6","10","1","5","2","1") = "9"
    & skf18("7","6","10","1","5","3","1") = "9"
    & skf18("7","6","10","1","5","4","1") = "9"
    & skf18("7","6","10","1","5","5","1") = "9"
    & skf18("7","6","10","1","5","6","1") = "9"
    & skf18("7","6","10","1","5","7","1") = "9"
    & skf18("7","6","10","1","5","8","1") = "9"
    & skf18("7","6","10","1","5","9","1") = "9"
    & skf18("7","6","10","1","5","10","1") = "9"
    & skf18("7","6","10","1","6","1","1") = "9"
    & skf18("7","6","10","1","6","2","1") = "9"
    & skf18("7","6","10","1","6","3","1") = "9"
    & skf18("7","6","10","1","6","4","1") = "9"
    & skf18("7","6","10","1","6","5","1") = "9"
    & skf18("7","6","10","1","6","6","1") = "9"
    & skf18("7","6","10","1","6","7","1") = "9"
    & skf18("7","6","10","1","6","8","1") = "9"
    & skf18("7","6","10","1","6","9","1") = "9"
    & skf18("7","6","10","1","6","10","1") = "9"
    & skf18("7","6","10","1","7","1","1") = "9"
    & skf18("7","6","10","1","7","2","1") = "9"
    & skf18("7","6","10","1","7","3","1") = "9"
    & skf18("7","6","10","1","7","4","1") = "9"
    & skf18("7","6","10","1","7","5","1") = "9"
    & skf18("7","6","10","1","7","6","1") = "9"
    & skf18("7","6","10","1","7","7","1") = "9"
    & skf18("7","6","10","1","7","8","1") = "9"
    & skf18("7","6","10","1","7","9","1") = "9"
    & skf18("7","6","10","1","7","10","1") = "9"
    & skf18("7","6","10","1","8","1","1") = "9"
    & skf18("7","6","10","1","8","2","1") = "9"
    & skf18("7","6","10","1","8","3","1") = "9"
    & skf18("7","6","10","1","8","4","1") = "9"
    & skf18("7","6","10","1","8","5","1") = "9"
    & skf18("7","6","10","1","8","6","1") = "9"
    & skf18("7","6","10","1","8","7","1") = "9"
    & skf18("7","6","10","1","8","8","1") = "9"
    & skf18("7","6","10","1","8","9","1") = "9"
    & skf18("7","6","10","1","8","10","1") = "9"
    & skf18("7","6","10","1","9","1","1") = "9"
    & skf18("7","6","10","1","9","2","1") = "9"
    & skf18("7","6","10","1","9","3","1") = "9"
    & skf18("7","6","10","1","9","4","1") = "9"
    & skf18("7","6","10","1","9","5","1") = "9"
    & skf18("7","6","10","1","9","6","1") = "9"
    & skf18("7","6","10","1","9","7","1") = "9"
    & skf18("7","6","10","1","9","8","1") = "9"
    & skf18("7","6","10","1","9","9","1") = "9"
    & skf18("7","6","10","1","9","10","1") = "9"
    & skf18("7","6","10","1","10","1","1") = "9"
    & skf18("7","6","10","1","10","2","1") = "9"
    & skf18("7","6","10","1","10","3","1") = "9"
    & skf18("7","6","10","1","10","4","1") = "9"
    & skf18("7","6","10","1","10","5","1") = "9"
    & skf18("7","6","10","1","10","6","1") = "9"
    & skf18("7","6","10","1","10","7","1") = "9"
    & skf18("7","6","10","1","10","8","1") = "9"
    & skf18("7","6","10","1","10","9","1") = "9"
    & skf18("7","6","10","1","10","10","1") = "9"
    & skf18("7","6","10","2","1","1","1") = "9"
    & skf18("7","6","10","2","1","2","1") = "9"
    & skf18("7","6","10","2","1","3","1") = "9"
    & skf18("7","6","10","2","1","4","1") = "9"
    & skf18("7","6","10","2","1","5","1") = "9"
    & skf18("7","6","10","2","1","6","1") = "9"
    & skf18("7","6","10","2","1","7","1") = "9"
    & skf18("7","6","10","2","1","8","1") = "9"
    & skf18("7","6","10","2","1","9","1") = "9"
    & skf18("7","6","10","2","1","10","1") = "9"
    & skf18("7","6","10","2","2","1","1") = "9"
    & skf18("7","6","10","2","2","2","1") = "9"
    & skf18("7","6","10","2","2","3","1") = "9"
    & skf18("7","6","10","2","2","4","1") = "9"
    & skf18("7","6","10","2","2","5","1") = "9"
    & skf18("7","6","10","2","2","6","1") = "9"
    & skf18("7","6","10","2","2","7","1") = "9"
    & skf18("7","6","10","2","2","8","1") = "9"
    & skf18("7","6","10","2","2","9","1") = "9"
    & skf18("7","6","10","2","2","10","1") = "9"
    & skf18("7","6","10","2","3","1","1") = "9"
    & skf18("7","6","10","2","3","2","1") = "9"
    & skf18("7","6","10","2","3","3","1") = "9"
    & skf18("7","6","10","2","3","4","1") = "9"
    & skf18("7","6","10","2","3","5","1") = "9"
    & skf18("7","6","10","2","3","6","1") = "9"
    & skf18("7","6","10","2","3","7","1") = "9"
    & skf18("7","6","10","2","3","8","1") = "9"
    & skf18("7","6","10","2","3","9","1") = "9"
    & skf18("7","6","10","2","3","10","1") = "9"
    & skf18("7","6","10","2","4","1","1") = "9"
    & skf18("7","6","10","2","4","2","1") = "9"
    & skf18("7","6","10","2","4","3","1") = "9"
    & skf18("7","6","10","2","4","4","1") = "9"
    & skf18("7","6","10","2","4","5","1") = "9"
    & skf18("7","6","10","2","4","6","1") = "9"
    & skf18("7","6","10","2","4","7","1") = "9"
    & skf18("7","6","10","2","4","8","1") = "9"
    & skf18("7","6","10","2","4","9","1") = "9"
    & skf18("7","6","10","2","4","10","1") = "9"
    & skf18("7","6","10","2","5","1","1") = "9"
    & skf18("7","6","10","2","5","2","1") = "9"
    & skf18("7","6","10","2","5","3","1") = "9"
    & skf18("7","6","10","2","5","4","1") = "9"
    & skf18("7","6","10","2","5","5","1") = "9"
    & skf18("7","6","10","2","5","6","1") = "9"
    & skf18("7","6","10","2","5","7","1") = "9"
    & skf18("7","6","10","2","5","8","1") = "9"
    & skf18("7","6","10","2","5","9","1") = "9"
    & skf18("7","6","10","2","5","10","1") = "9"
    & skf18("7","6","10","2","6","1","1") = "9"
    & skf18("7","6","10","2","6","2","1") = "9"
    & skf18("7","6","10","2","6","3","1") = "9"
    & skf18("7","6","10","2","6","4","1") = "9"
    & skf18("7","6","10","2","6","5","1") = "9"
    & skf18("7","6","10","2","6","6","1") = "9"
    & skf18("7","6","10","2","6","7","1") = "9"
    & skf18("7","6","10","2","6","8","1") = "9"
    & skf18("7","6","10","2","6","9","1") = "9"
    & skf18("7","6","10","2","6","10","1") = "9"
    & skf18("7","6","10","2","7","1","1") = "9"
    & skf18("7","6","10","2","7","2","1") = "9"
    & skf18("7","6","10","2","7","3","1") = "9"
    & skf18("7","6","10","2","7","4","1") = "9"
    & skf18("7","6","10","2","7","5","1") = "9"
    & skf18("7","6","10","2","7","6","1") = "9"
    & skf18("7","6","10","2","7","7","1") = "9"
    & skf18("7","6","10","2","7","8","1") = "9"
    & skf18("7","6","10","2","7","9","1") = "9"
    & skf18("7","6","10","2","7","10","1") = "9"
    & skf18("7","6","10","2","8","1","1") = "9"
    & skf18("7","6","10","2","8","2","1") = "9"
    & skf18("7","6","10","2","8","3","1") = "9"
    & skf18("7","6","10","2","8","4","1") = "9"
    & skf18("7","6","10","2","8","5","1") = "9"
    & skf18("7","6","10","2","8","6","1") = "9"
    & skf18("7","6","10","2","8","7","1") = "9"
    & skf18("7","6","10","2","8","8","1") = "9"
    & skf18("7","6","10","2","8","9","1") = "9"
    & skf18("7","6","10","2","8","10","1") = "9"
    & skf18("7","6","10","2","9","1","1") = "9"
    & skf18("7","6","10","2","9","2","1") = "9"
    & skf18("7","6","10","2","9","3","1") = "9"
    & skf18("7","6","10","2","9","4","1") = "9"
    & skf18("7","6","10","2","9","5","1") = "9"
    & skf18("7","6","10","2","9","6","1") = "9"
    & skf18("7","6","10","2","9","7","1") = "9"
    & skf18("7","6","10","2","9","8","1") = "9"
    & skf18("7","6","10","2","9","9","1") = "9"
    & skf18("7","6","10","2","9","10","1") = "9"
    & skf18("7","6","10","2","10","1","1") = "9"
    & skf18("7","6","10","2","10","2","1") = "9"
    & skf18("7","6","10","2","10","3","1") = "9"
    & skf18("7","6","10","2","10","4","1") = "9"
    & skf18("7","6","10","2","10","5","1") = "9"
    & skf18("7","6","10","2","10","6","1") = "9"
    & skf18("7","6","10","2","10","7","1") = "9"
    & skf18("7","6","10","2","10","8","1") = "9"
    & skf18("7","6","10","2","10","9","1") = "9"
    & skf18("7","6","10","2","10","10","1") = "9"
    & skf18("7","6","10","3","1","1","1") = "9"
    & skf18("7","6","10","3","1","2","1") = "9"
    & skf18("7","6","10","3","1","3","1") = "9"
    & skf18("7","6","10","3","1","4","1") = "9"
    & skf18("7","6","10","3","1","5","1") = "9"
    & skf18("7","6","10","3","1","6","1") = "9"
    & skf18("7","6","10","3","1","7","1") = "9"
    & skf18("7","6","10","3","1","8","1") = "9"
    & skf18("7","6","10","3","1","9","1") = "9"
    & skf18("7","6","10","3","1","10","1") = "9"
    & skf18("7","6","10","3","2","1","1") = "9"
    & skf18("7","6","10","3","2","2","1") = "9"
    & skf18("7","6","10","3","2","3","1") = "9"
    & skf18("7","6","10","3","2","4","1") = "9"
    & skf18("7","6","10","3","2","5","1") = "9"
    & skf18("7","6","10","3","2","6","1") = "9"
    & skf18("7","6","10","3","2","7","1") = "9"
    & skf18("7","6","10","3","2","8","1") = "9"
    & skf18("7","6","10","3","2","9","1") = "9"
    & skf18("7","6","10","3","2","10","1") = "9"
    & skf18("7","6","10","3","3","1","1") = "9"
    & skf18("7","6","10","3","3","2","1") = "9"
    & skf18("7","6","10","3","3","3","1") = "9"
    & skf18("7","6","10","3","3","4","1") = "9"
    & skf18("7","6","10","3","3","5","1") = "9"
    & skf18("7","6","10","3","3","6","1") = "9"
    & skf18("7","6","10","3","3","7","1") = "9"
    & skf18("7","6","10","3","3","8","1") = "9"
    & skf18("7","6","10","3","3","9","1") = "9"
    & skf18("7","6","10","3","3","10","1") = "9"
    & skf18("7","6","10","3","4","1","1") = "9"
    & skf18("7","6","10","3","4","2","1") = "9"
    & skf18("7","6","10","3","4","3","1") = "9"
    & skf18("7","6","10","3","4","4","1") = "9"
    & skf18("7","6","10","3","4","5","1") = "9"
    & skf18("7","6","10","3","4","6","1") = "9"
    & skf18("7","6","10","3","4","7","1") = "9"
    & skf18("7","6","10","3","4","8","1") = "9"
    & skf18("7","6","10","3","4","9","1") = "9"
    & skf18("7","6","10","3","4","10","1") = "9"
    & skf18("7","6","10","3","5","1","1") = "9"
    & skf18("7","6","10","3","5","2","1") = "9"
    & skf18("7","6","10","3","5","3","1") = "9"
    & skf18("7","6","10","3","5","4","1") = "9"
    & skf18("7","6","10","3","5","5","1") = "9"
    & skf18("7","6","10","3","5","6","1") = "9"
    & skf18("7","6","10","3","5","7","1") = "9"
    & skf18("7","6","10","3","5","8","1") = "9"
    & skf18("7","6","10","3","5","9","1") = "9"
    & skf18("7","6","10","3","5","10","1") = "9"
    & skf18("7","6","10","3","6","1","1") = "9"
    & skf18("7","6","10","3","6","2","1") = "9"
    & skf18("7","6","10","3","6","3","1") = "9"
    & skf18("7","6","10","3","6","4","1") = "9"
    & skf18("7","6","10","3","6","5","1") = "9"
    & skf18("7","6","10","3","6","6","1") = "9"
    & skf18("7","6","10","3","6","7","1") = "9"
    & skf18("7","6","10","3","6","8","1") = "9"
    & skf18("7","6","10","3","6","9","1") = "9"
    & skf18("7","6","10","3","6","10","1") = "9"
    & skf18("7","6","10","3","7","1","1") = "9"
    & skf18("7","6","10","3","7","2","1") = "9"
    & skf18("7","6","10","3","7","3","1") = "9"
    & skf18("7","6","10","3","7","4","1") = "9"
    & skf18("7","6","10","3","7","5","1") = "9"
    & skf18("7","6","10","3","7","6","1") = "9"
    & skf18("7","6","10","3","7","7","1") = "9"
    & skf18("7","6","10","3","7","8","1") = "9"
    & skf18("7","6","10","3","7","9","1") = "9"
    & skf18("7","6","10","3","7","10","1") = "9"
    & skf18("7","6","10","3","8","1","1") = "9"
    & skf18("7","6","10","3","8","2","1") = "9"
    & skf18("7","6","10","3","8","3","1") = "9"
    & skf18("7","6","10","3","8","4","1") = "9"
    & skf18("7","6","10","3","8","5","1") = "9"
    & skf18("7","6","10","3","8","6","1") = "9"
    & skf18("7","6","10","3","8","7","1") = "9"
    & skf18("7","6","10","3","8","8","1") = "9"
    & skf18("7","6","10","3","8","9","1") = "9"
    & skf18("7","6","10","3","8","10","1") = "9"
    & skf18("7","6","10","3","9","1","1") = "9"
    & skf18("7","6","10","3","9","2","1") = "9"
    & skf18("7","6","10","3","9","3","1") = "9"
    & skf18("7","6","10","3","9","4","1") = "9"
    & skf18("7","6","10","3","9","5","1") = "9"
    & skf18("7","6","10","3","9","6","1") = "9"
    & skf18("7","6","10","3","9","7","1") = "9"
    & skf18("7","6","10","3","9","8","1") = "9"
    & skf18("7","6","10","3","9","9","1") = "9"
    & skf18("7","6","10","3","9","10","1") = "9"
    & skf18("7","6","10","3","10","1","1") = "9"
    & skf18("7","6","10","3","10","2","1") = "9"
    & skf18("7","6","10","3","10","3","1") = "9"
    & skf18("7","6","10","3","10","4","1") = "9"
    & skf18("7","6","10","3","10","5","1") = "9"
    & skf18("7","6","10","3","10","6","1") = "9"
    & skf18("7","6","10","3","10","7","1") = "9"
    & skf18("7","6","10","3","10","8","1") = "9"
    & skf18("7","6","10","3","10","9","1") = "9"
    & skf18("7","6","10","3","10","10","1") = "9"
    & skf18("7","6","10","4","1","1","1") = "9"
    & skf18("7","6","10","4","1","2","1") = "9"
    & skf18("7","6","10","4","1","3","1") = "9"
    & skf18("7","6","10","4","1","4","1") = "9"
    & skf18("7","6","10","4","1","5","1") = "9"
    & skf18("7","6","10","4","1","6","1") = "9"
    & skf18("7","6","10","4","1","7","1") = "9"
    & skf18("7","6","10","4","1","8","1") = "9"
    & skf18("7","6","10","4","1","9","1") = "9"
    & skf18("7","6","10","4","1","10","1") = "9"
    & skf18("7","6","10","4","2","1","1") = "9"
    & skf18("7","6","10","4","2","2","1") = "9"
    & skf18("7","6","10","4","2","3","1") = "9"
    & skf18("7","6","10","4","2","4","1") = "9"
    & skf18("7","6","10","4","2","5","1") = "9"
    & skf18("7","6","10","4","2","6","1") = "9"
    & skf18("7","6","10","4","2","7","1") = "9"
    & skf18("7","6","10","4","2","8","1") = "9"
    & skf18("7","6","10","4","2","9","1") = "9"
    & skf18("7","6","10","4","2","10","1") = "9"
    & skf18("7","6","10","4","3","1","1") = "9"
    & skf18("7","6","10","4","3","2","1") = "9"
    & skf18("7","6","10","4","3","3","1") = "9"
    & skf18("7","6","10","4","3","4","1") = "9"
    & skf18("7","6","10","4","3","5","1") = "9"
    & skf18("7","6","10","4","3","6","1") = "9"
    & skf18("7","6","10","4","3","7","1") = "9"
    & skf18("7","6","10","4","3","8","1") = "9"
    & skf18("7","6","10","4","3","9","1") = "9"
    & skf18("7","6","10","4","3","10","1") = "9"
    & skf18("7","6","10","4","4","1","1") = "9"
    & skf18("7","6","10","4","4","2","1") = "9"
    & skf18("7","6","10","4","4","3","1") = "9"
    & skf18("7","6","10","4","4","4","1") = "9"
    & skf18("7","6","10","4","4","5","1") = "9"
    & skf18("7","6","10","4","4","6","1") = "9"
    & skf18("7","6","10","4","4","7","1") = "9"
    & skf18("7","6","10","4","4","8","1") = "9"
    & skf18("7","6","10","4","4","9","1") = "9"
    & skf18("7","6","10","4","4","10","1") = "9"
    & skf18("7","6","10","4","5","1","1") = "9"
    & skf18("7","6","10","4","5","2","1") = "9"
    & skf18("7","6","10","4","5","3","1") = "9"
    & skf18("7","6","10","4","5","4","1") = "9"
    & skf18("7","6","10","4","5","5","1") = "9"
    & skf18("7","6","10","4","5","6","1") = "9"
    & skf18("7","6","10","4","5","7","1") = "9"
    & skf18("7","6","10","4","5","8","1") = "9"
    & skf18("7","6","10","4","5","9","1") = "9"
    & skf18("7","6","10","4","5","10","1") = "9"
    & skf18("7","6","10","4","6","1","1") = "9"
    & skf18("7","6","10","4","6","2","1") = "9"
    & skf18("7","6","10","4","6","3","1") = "9"
    & skf18("7","6","10","4","6","4","1") = "9"
    & skf18("7","6","10","4","6","5","1") = "9"
    & skf18("7","6","10","4","6","6","1") = "9"
    & skf18("7","6","10","4","6","7","1") = "9"
    & skf18("7","6","10","4","6","8","1") = "9"
    & skf18("7","6","10","4","6","9","1") = "9"
    & skf18("7","6","10","4","6","10","1") = "9"
    & skf18("7","6","10","4","7","1","1") = "9"
    & skf18("7","6","10","4","7","2","1") = "9"
    & skf18("7","6","10","4","7","3","1") = "9"
    & skf18("7","6","10","4","7","4","1") = "9"
    & skf18("7","6","10","4","7","5","1") = "9"
    & skf18("7","6","10","4","7","6","1") = "9"
    & skf18("7","6","10","4","7","7","1") = "9"
    & skf18("7","6","10","4","7","8","1") = "9"
    & skf18("7","6","10","4","7","9","1") = "9"
    & skf18("7","6","10","4","7","10","1") = "9"
    & skf18("7","6","10","4","8","1","1") = "9"
    & skf18("7","6","10","4","8","2","1") = "9"
    & skf18("7","6","10","4","8","3","1") = "9"
    & skf18("7","6","10","4","8","4","1") = "9"
    & skf18("7","6","10","4","8","5","1") = "9"
    & skf18("7","6","10","4","8","6","1") = "9"
    & skf18("7","6","10","4","8","7","1") = "9"
    & skf18("7","6","10","4","8","8","1") = "9"
    & skf18("7","6","10","4","8","9","1") = "9"
    & skf18("7","6","10","4","8","10","1") = "9"
    & skf18("7","6","10","4","9","1","1") = "9"
    & skf18("7","6","10","4","9","2","1") = "9"
    & skf18("7","6","10","4","9","3","1") = "9"
    & skf18("7","6","10","4","9","4","1") = "9"
    & skf18("7","6","10","4","9","5","1") = "9"
    & skf18("7","6","10","4","9","6","1") = "9"
    & skf18("7","6","10","4","9","7","1") = "9"
    & skf18("7","6","10","4","9","8","1") = "9"
    & skf18("7","6","10","4","9","9","1") = "9"
    & skf18("7","6","10","4","9","10","1") = "9"
    & skf18("7","6","10","4","10","1","1") = "9"
    & skf18("7","6","10","4","10","2","1") = "9"
    & skf18("7","6","10","4","10","3","1") = "9"
    & skf18("7","6","10","4","10","4","1") = "9"
    & skf18("7","6","10","4","10","5","1") = "9"
    & skf18("7","6","10","4","10","6","1") = "9"
    & skf18("7","6","10","4","10","7","1") = "9"
    & skf18("7","6","10","4","10","8","1") = "9"
    & skf18("7","6","10","4","10","9","1") = "9"
    & skf18("7","6","10","4","10","10","1") = "9"
    & skf18("7","6","10","5","1","1","1") = "9"
    & skf18("7","6","10","5","1","2","1") = "9"
    & skf18("7","6","10","5","1","3","1") = "9"
    & skf18("7","6","10","5","1","4","1") = "9"
    & skf18("7","6","10","5","1","5","1") = "9"
    & skf18("7","6","10","5","1","6","1") = "9"
    & skf18("7","6","10","5","1","7","1") = "9"
    & skf18("7","6","10","5","1","8","1") = "9"
    & skf18("7","6","10","5","1","9","1") = "9"
    & skf18("7","6","10","5","1","10","1") = "9"
    & skf18("7","6","10","5","2","1","1") = "9"
    & skf18("7","6","10","5","2","2","1") = "9"
    & skf18("7","6","10","5","2","3","1") = "9"
    & skf18("7","6","10","5","2","4","1") = "9"
    & skf18("7","6","10","5","2","5","1") = "9"
    & skf18("7","6","10","5","2","6","1") = "9"
    & skf18("7","6","10","5","2","7","1") = "9"
    & skf18("7","6","10","5","2","8","1") = "9"
    & skf18("7","6","10","5","2","9","1") = "9"
    & skf18("7","6","10","5","2","10","1") = "9"
    & skf18("7","6","10","5","3","1","1") = "9"
    & skf18("7","6","10","5","3","2","1") = "9"
    & skf18("7","6","10","5","3","3","1") = "9"
    & skf18("7","6","10","5","3","4","1") = "9"
    & skf18("7","6","10","5","3","5","1") = "9"
    & skf18("7","6","10","5","3","6","1") = "9"
    & skf18("7","6","10","5","3","7","1") = "9"
    & skf18("7","6","10","5","3","8","1") = "9"
    & skf18("7","6","10","5","3","9","1") = "9"
    & skf18("7","6","10","5","3","10","1") = "9"
    & skf18("7","6","10","5","4","1","1") = "9"
    & skf18("7","6","10","5","4","2","1") = "9"
    & skf18("7","6","10","5","4","3","1") = "9"
    & skf18("7","6","10","5","4","4","1") = "9"
    & skf18("7","6","10","5","4","5","1") = "9"
    & skf18("7","6","10","5","4","6","1") = "9"
    & skf18("7","6","10","5","4","7","1") = "9"
    & skf18("7","6","10","5","4","8","1") = "9"
    & skf18("7","6","10","5","4","9","1") = "9"
    & skf18("7","6","10","5","4","10","1") = "9"
    & skf18("7","6","10","5","5","1","1") = "9"
    & skf18("7","6","10","5","5","2","1") = "9"
    & skf18("7","6","10","5","5","3","1") = "9"
    & skf18("7","6","10","5","5","4","1") = "9"
    & skf18("7","6","10","5","5","5","1") = "9"
    & skf18("7","6","10","5","5","6","1") = "9"
    & skf18("7","6","10","5","5","7","1") = "9"
    & skf18("7","6","10","5","5","8","1") = "9"
    & skf18("7","6","10","5","5","9","1") = "9"
    & skf18("7","6","10","5","5","10","1") = "9"
    & skf18("7","6","10","5","6","1","1") = "9"
    & skf18("7","6","10","5","6","2","1") = "9"
    & skf18("7","6","10","5","6","3","1") = "9"
    & skf18("7","6","10","5","6","4","1") = "9"
    & skf18("7","6","10","5","6","5","1") = "9"
    & skf18("7","6","10","5","6","6","1") = "9"
    & skf18("7","6","10","5","6","7","1") = "9"
    & skf18("7","6","10","5","6","8","1") = "9"
    & skf18("7","6","10","5","6","9","1") = "9"
    & skf18("7","6","10","5","6","10","1") = "9"
    & skf18("7","6","10","5","7","1","1") = "9"
    & skf18("7","6","10","5","7","2","1") = "9"
    & skf18("7","6","10","5","7","3","1") = "9"
    & skf18("7","6","10","5","7","4","1") = "9"
    & skf18("7","6","10","5","7","5","1") = "9"
    & skf18("7","6","10","5","7","6","1") = "9"
    & skf18("7","6","10","5","7","7","1") = "9"
    & skf18("7","6","10","5","7","8","1") = "9"
    & skf18("7","6","10","5","7","9","1") = "9"
    & skf18("7","6","10","5","7","10","1") = "9"
    & skf18("7","6","10","5","8","1","1") = "9"
    & skf18("7","6","10","5","8","2","1") = "9"
    & skf18("7","6","10","5","8","3","1") = "9"
    & skf18("7","6","10","5","8","4","1") = "9"
    & skf18("7","6","10","5","8","5","1") = "9"
    & skf18("7","6","10","5","8","6","1") = "9"
    & skf18("7","6","10","5","8","7","1") = "9"
    & skf18("7","6","10","5","8","8","1") = "9"
    & skf18("7","6","10","5","8","9","1") = "9"
    & skf18("7","6","10","5","8","10","1") = "9"
    & skf18("7","6","10","5","9","1","1") = "9"
    & skf18("7","6","10","5","9","2","1") = "9"
    & skf18("7","6","10","5","9","3","1") = "9"
    & skf18("7","6","10","5","9","4","1") = "9"
    & skf18("7","6","10","5","9","5","1") = "9"
    & skf18("7","6","10","5","9","6","1") = "9"
    & skf18("7","6","10","5","9","7","1") = "9"
    & skf18("7","6","10","5","9","8","1") = "9"
    & skf18("7","6","10","5","9","9","1") = "9"
    & skf18("7","6","10","5","9","10","1") = "9"
    & skf18("7","6","10","5","10","1","1") = "9"
    & skf18("7","6","10","5","10","2","1") = "9"
    & skf18("7","6","10","5","10","3","1") = "9"
    & skf18("7","6","10","5","10","4","1") = "9"
    & skf18("7","6","10","5","10","5","1") = "9"
    & skf18("7","6","10","5","10","6","1") = "9"
    & skf18("7","6","10","5","10","7","1") = "9"
    & skf18("7","6","10","5","10","8","1") = "9"
    & skf18("7","6","10","5","10","9","1") = "9"
    & skf18("7","6","10","5","10","10","1") = "9"
    & skf18("7","6","10","6","1","1","1") = "9"
    & skf18("7","6","10","6","1","2","1") = "9"
    & skf18("7","6","10","6","1","3","1") = "9"
    & skf18("7","6","10","6","1","4","1") = "9"
    & skf18("7","6","10","6","1","5","1") = "9"
    & skf18("7","6","10","6","1","6","1") = "9"
    & skf18("7","6","10","6","1","7","1") = "9"
    & skf18("7","6","10","6","1","8","1") = "9"
    & skf18("7","6","10","6","1","9","1") = "9"
    & skf18("7","6","10","6","1","10","1") = "9"
    & skf18("7","6","10","6","2","1","1") = "9"
    & skf18("7","6","10","6","2","2","1") = "9"
    & skf18("7","6","10","6","2","3","1") = "9"
    & skf18("7","6","10","6","2","4","1") = "9"
    & skf18("7","6","10","6","2","5","1") = "9"
    & skf18("7","6","10","6","2","6","1") = "9"
    & skf18("7","6","10","6","2","7","1") = "9"
    & skf18("7","6","10","6","2","8","1") = "9"
    & skf18("7","6","10","6","2","9","1") = "9"
    & skf18("7","6","10","6","2","10","1") = "9"
    & skf18("7","6","10","6","3","1","1") = "9"
    & skf18("7","6","10","6","3","2","1") = "9"
    & skf18("7","6","10","6","3","3","1") = "9"
    & skf18("7","6","10","6","3","4","1") = "9"
    & skf18("7","6","10","6","3","5","1") = "9"
    & skf18("7","6","10","6","3","6","1") = "9"
    & skf18("7","6","10","6","3","7","1") = "9"
    & skf18("7","6","10","6","3","8","1") = "9"
    & skf18("7","6","10","6","3","9","1") = "9"
    & skf18("7","6","10","6","3","10","1") = "9"
    & skf18("7","6","10","6","4","1","1") = "9"
    & skf18("7","6","10","6","4","2","1") = "9"
    & skf18("7","6","10","6","4","3","1") = "9"
    & skf18("7","6","10","6","4","4","1") = "9"
    & skf18("7","6","10","6","4","5","1") = "9"
    & skf18("7","6","10","6","4","6","1") = "9"
    & skf18("7","6","10","6","4","7","1") = "9"
    & skf18("7","6","10","6","4","8","1") = "9"
    & skf18("7","6","10","6","4","9","1") = "9"
    & skf18("7","6","10","6","4","10","1") = "9"
    & skf18("7","6","10","6","5","1","1") = "9"
    & skf18("7","6","10","6","5","2","1") = "9"
    & skf18("7","6","10","6","5","3","1") = "9"
    & skf18("7","6","10","6","5","4","1") = "9"
    & skf18("7","6","10","6","5","5","1") = "9"
    & skf18("7","6","10","6","5","6","1") = "9"
    & skf18("7","6","10","6","5","7","1") = "9"
    & skf18("7","6","10","6","5","8","1") = "9"
    & skf18("7","6","10","6","5","9","1") = "9"
    & skf18("7","6","10","6","5","10","1") = "9"
    & skf18("7","6","10","6","6","1","1") = "9"
    & skf18("7","6","10","6","6","2","1") = "9"
    & skf18("7","6","10","6","6","3","1") = "9"
    & skf18("7","6","10","6","6","4","1") = "9"
    & skf18("7","6","10","6","6","5","1") = "9"
    & skf18("7","6","10","6","6","6","1") = "9"
    & skf18("7","6","10","6","6","7","1") = "9"
    & skf18("7","6","10","6","6","8","1") = "9"
    & skf18("7","6","10","6","6","9","1") = "9"
    & skf18("7","6","10","6","6","10","1") = "9"
    & skf18("7","6","10","6","7","1","1") = "9"
    & skf18("7","6","10","6","7","2","1") = "9"
    & skf18("7","6","10","6","7","3","1") = "9"
    & skf18("7","6","10","6","7","4","1") = "9"
    & skf18("7","6","10","6","7","5","1") = "9"
    & skf18("7","6","10","6","7","6","1") = "9"
    & skf18("7","6","10","6","7","7","1") = "9"
    & skf18("7","6","10","6","7","8","1") = "9"
    & skf18("7","6","10","6","7","9","1") = "9"
    & skf18("7","6","10","6","7","10","1") = "9"
    & skf18("7","6","10","6","8","1","1") = "9"
    & skf18("7","6","10","6","8","2","1") = "9"
    & skf18("7","6","10","6","8","3","1") = "9"
    & skf18("7","6","10","6","8","4","1") = "9"
    & skf18("7","6","10","6","8","5","1") = "9"
    & skf18("7","6","10","6","8","6","1") = "9"
    & skf18("7","6","10","6","8","7","1") = "9"
    & skf18("7","6","10","6","8","8","1") = "9"
    & skf18("7","6","10","6","8","9","1") = "9"
    & skf18("7","6","10","6","8","10","1") = "9"
    & skf18("7","6","10","6","9","1","1") = "9"
    & skf18("7","6","10","6","9","2","1") = "9"
    & skf18("7","6","10","6","9","3","1") = "9"
    & skf18("7","6","10","6","9","4","1") = "9"
    & skf18("7","6","10","6","9","5","1") = "9"
    & skf18("7","6","10","6","9","6","1") = "9"
    & skf18("7","6","10","6","9","7","1") = "9"
    & skf18("7","6","10","6","9","8","1") = "9"
    & skf18("7","6","10","6","9","9","1") = "9"
    & skf18("7","6","10","6","9","10","1") = "9"
    & skf18("7","6","10","6","10","1","1") = "9"
    & skf18("7","6","10","6","10","2","1") = "9"
    & skf18("7","6","10","6","10","3","1") = "9"
    & skf18("7","6","10","6","10","4","1") = "9"
    & skf18("7","6","10","6","10","5","1") = "9"
    & skf18("7","6","10","6","10","6","1") = "9"
    & skf18("7","6","10","6","10","7","1") = "9"
    & skf18("7","6","10","6","10","8","1") = "9"
    & skf18("7","6","10","6","10","9","1") = "9"
    & skf18("7","6","10","6","10","10","1") = "9"
    & skf18("7","6","10","7","1","1","1") = "9"
    & skf18("7","6","10","7","1","2","1") = "9"
    & skf18("7","6","10","7","1","3","1") = "9"
    & skf18("7","6","10","7","1","4","1") = "9"
    & skf18("7","6","10","7","1","5","1") = "9"
    & skf18("7","6","10","7","1","6","1") = "9"
    & skf18("7","6","10","7","1","7","1") = "9"
    & skf18("7","6","10","7","1","8","1") = "9"
    & skf18("7","6","10","7","1","9","1") = "9"
    & skf18("7","6","10","7","1","10","1") = "9"
    & skf18("7","6","10","7","2","1","1") = "9"
    & skf18("7","6","10","7","2","2","1") = "9"
    & skf18("7","6","10","7","2","3","1") = "9"
    & skf18("7","6","10","7","2","4","1") = "9"
    & skf18("7","6","10","7","2","5","1") = "9"
    & skf18("7","6","10","7","2","6","1") = "9"
    & skf18("7","6","10","7","2","7","1") = "9"
    & skf18("7","6","10","7","2","8","1") = "9"
    & skf18("7","6","10","7","2","9","1") = "9"
    & skf18("7","6","10","7","2","10","1") = "9"
    & skf18("7","6","10","7","3","1","1") = "9"
    & skf18("7","6","10","7","3","2","1") = "9"
    & skf18("7","6","10","7","3","3","1") = "9"
    & skf18("7","6","10","7","3","4","1") = "9"
    & skf18("7","6","10","7","3","5","1") = "9"
    & skf18("7","6","10","7","3","6","1") = "9"
    & skf18("7","6","10","7","3","7","1") = "9"
    & skf18("7","6","10","7","3","8","1") = "9"
    & skf18("7","6","10","7","3","9","1") = "9"
    & skf18("7","6","10","7","3","10","1") = "9"
    & skf18("7","6","10","7","4","1","1") = "9"
    & skf18("7","6","10","7","4","2","1") = "9"
    & skf18("7","6","10","7","4","3","1") = "9"
    & skf18("7","6","10","7","4","4","1") = "9"
    & skf18("7","6","10","7","4","5","1") = "9"
    & skf18("7","6","10","7","4","6","1") = "9"
    & skf18("7","6","10","7","4","7","1") = "9"
    & skf18("7","6","10","7","4","8","1") = "9"
    & skf18("7","6","10","7","4","9","1") = "9"
    & skf18("7","6","10","7","4","10","1") = "9"
    & skf18("7","6","10","7","5","1","1") = "9"
    & skf18("7","6","10","7","5","2","1") = "9"
    & skf18("7","6","10","7","5","3","1") = "9"
    & skf18("7","6","10","7","5","4","1") = "9"
    & skf18("7","6","10","7","5","5","1") = "9"
    & skf18("7","6","10","7","5","6","1") = "9"
    & skf18("7","6","10","7","5","7","1") = "9"
    & skf18("7","6","10","7","5","8","1") = "9"
    & skf18("7","6","10","7","5","9","1") = "9"
    & skf18("7","6","10","7","5","10","1") = "9"
    & skf18("7","6","10","7","6","1","1") = "9"
    & skf18("7","6","10","7","6","2","1") = "9"
    & skf18("7","6","10","7","6","3","1") = "9"
    & skf18("7","6","10","7","6","4","1") = "9"
    & skf18("7","6","10","7","6","5","1") = "9"
    & skf18("7","6","10","7","6","6","1") = "9"
    & skf18("7","6","10","7","6","7","1") = "9"
    & skf18("7","6","10","7","6","8","1") = "9"
    & skf18("7","6","10","7","6","9","1") = "9"
    & skf18("7","6","10","7","6","10","1") = "9"
    & skf18("7","6","10","7","7","1","1") = "9"
    & skf18("7","6","10","7","7","2","1") = "9"
    & skf18("7","6","10","7","7","3","1") = "9"
    & skf18("7","6","10","7","7","4","1") = "9"
    & skf18("7","6","10","7","7","5","1") = "9"
    & skf18("7","6","10","7","7","6","1") = "9"
    & skf18("7","6","10","7","7","7","1") = "9"
    & skf18("7","6","10","7","7","8","1") = "9"
    & skf18("7","6","10","7","7","9","1") = "9"
    & skf18("7","6","10","7","7","10","1") = "9"
    & skf18("7","6","10","7","8","1","1") = "9"
    & skf18("7","6","10","7","8","2","1") = "9"
    & skf18("7","6","10","7","8","3","1") = "9"
    & skf18("7","6","10","7","8","4","1") = "9"
    & skf18("7","6","10","7","8","5","1") = "9"
    & skf18("7","6","10","7","8","6","1") = "9"
    & skf18("7","6","10","7","8","7","1") = "9"
    & skf18("7","6","10","7","8","8","1") = "9"
    & skf18("7","6","10","7","8","9","1") = "9"
    & skf18("7","6","10","7","8","10","1") = "9"
    & skf18("7","6","10","7","9","1","1") = "9"
    & skf18("7","6","10","7","9","2","1") = "9"
    & skf18("7","6","10","7","9","3","1") = "9"
    & skf18("7","6","10","7","9","4","1") = "9"
    & skf18("7","6","10","7","9","5","1") = "9"
    & skf18("7","6","10","7","9","6","1") = "9"
    & skf18("7","6","10","7","9","7","1") = "9"
    & skf18("7","6","10","7","9","8","1") = "9"
    & skf18("7","6","10","7","9","9","1") = "9"
    & skf18("7","6","10","7","9","10","1") = "9"
    & skf18("7","6","10","7","10","1","1") = "9"
    & skf18("7","6","10","7","10","2","1") = "9"
    & skf18("7","6","10","7","10","3","1") = "9"
    & skf18("7","6","10","7","10","4","1") = "9"
    & skf18("7","6","10","7","10","5","1") = "9"
    & skf18("7","6","10","7","10","6","1") = "9"
    & skf18("7","6","10","7","10","7","1") = "9"
    & skf18("7","6","10","7","10","8","1") = "9"
    & skf18("7","6","10","7","10","9","1") = "9"
    & skf18("7","6","10","7","10","10","1") = "9"
    & skf18("7","6","10","8","1","1","1") = "9"
    & skf18("7","6","10","8","1","2","1") = "9"
    & skf18("7","6","10","8","1","3","1") = "9"
    & skf18("7","6","10","8","1","4","1") = "9"
    & skf18("7","6","10","8","1","5","1") = "9"
    & skf18("7","6","10","8","1","6","1") = "9"
    & skf18("7","6","10","8","1","7","1") = "9"
    & skf18("7","6","10","8","1","8","1") = "9"
    & skf18("7","6","10","8","1","9","1") = "9"
    & skf18("7","6","10","8","1","10","1") = "9"
    & skf18("7","6","10","8","2","1","1") = "9"
    & skf18("7","6","10","8","2","2","1") = "9"
    & skf18("7","6","10","8","2","3","1") = "9"
    & skf18("7","6","10","8","2","4","1") = "9"
    & skf18("7","6","10","8","2","5","1") = "9"
    & skf18("7","6","10","8","2","6","1") = "9"
    & skf18("7","6","10","8","2","7","1") = "9"
    & skf18("7","6","10","8","2","8","1") = "9"
    & skf18("7","6","10","8","2","9","1") = "9"
    & skf18("7","6","10","8","2","10","1") = "9"
    & skf18("7","6","10","8","3","1","1") = "9"
    & skf18("7","6","10","8","3","2","1") = "9"
    & skf18("7","6","10","8","3","3","1") = "9"
    & skf18("7","6","10","8","3","4","1") = "9"
    & skf18("7","6","10","8","3","5","1") = "9"
    & skf18("7","6","10","8","3","6","1") = "9"
    & skf18("7","6","10","8","3","7","1") = "9"
    & skf18("7","6","10","8","3","8","1") = "9"
    & skf18("7","6","10","8","3","9","1") = "9"
    & skf18("7","6","10","8","3","10","1") = "9"
    & skf18("7","6","10","8","4","1","1") = "9"
    & skf18("7","6","10","8","4","2","1") = "9"
    & skf18("7","6","10","8","4","3","1") = "9"
    & skf18("7","6","10","8","4","4","1") = "9"
    & skf18("7","6","10","8","4","5","1") = "9"
    & skf18("7","6","10","8","4","6","1") = "9"
    & skf18("7","6","10","8","4","7","1") = "9"
    & skf18("7","6","10","8","4","8","1") = "9"
    & skf18("7","6","10","8","4","9","1") = "9"
    & skf18("7","6","10","8","4","10","1") = "9"
    & skf18("7","6","10","8","5","1","1") = "9"
    & skf18("7","6","10","8","5","2","1") = "9"
    & skf18("7","6","10","8","5","3","1") = "9"
    & skf18("7","6","10","8","5","4","1") = "9"
    & skf18("7","6","10","8","5","5","1") = "9"
    & skf18("7","6","10","8","5","6","1") = "9"
    & skf18("7","6","10","8","5","7","1") = "9"
    & skf18("7","6","10","8","5","8","1") = "9"
    & skf18("7","6","10","8","5","9","1") = "9"
    & skf18("7","6","10","8","5","10","1") = "9"
    & skf18("7","6","10","8","6","1","1") = "9"
    & skf18("7","6","10","8","6","2","1") = "9"
    & skf18("7","6","10","8","6","3","1") = "9"
    & skf18("7","6","10","8","6","4","1") = "9"
    & skf18("7","6","10","8","6","5","1") = "9"
    & skf18("7","6","10","8","6","6","1") = "9"
    & skf18("7","6","10","8","6","7","1") = "9"
    & skf18("7","6","10","8","6","8","1") = "9"
    & skf18("7","6","10","8","6","9","1") = "9"
    & skf18("7","6","10","8","6","10","1") = "9"
    & skf18("7","6","10","8","7","1","1") = "9"
    & skf18("7","6","10","8","7","2","1") = "9"
    & skf18("7","6","10","8","7","3","1") = "9"
    & skf18("7","6","10","8","7","4","1") = "9"
    & skf18("7","6","10","8","7","5","1") = "9"
    & skf18("7","6","10","8","7","6","1") = "9"
    & skf18("7","6","10","8","7","7","1") = "9"
    & skf18("7","6","10","8","7","8","1") = "9"
    & skf18("7","6","10","8","7","9","1") = "9"
    & skf18("7","6","10","8","7","10","1") = "9"
    & skf18("7","6","10","8","8","1","1") = "9"
    & skf18("7","6","10","8","8","2","1") = "9"
    & skf18("7","6","10","8","8","3","1") = "9"
    & skf18("7","6","10","8","8","4","1") = "9"
    & skf18("7","6","10","8","8","5","1") = "9"
    & skf18("7","6","10","8","8","6","1") = "9"
    & skf18("7","6","10","8","8","7","1") = "9"
    & skf18("7","6","10","8","8","8","1") = "9"
    & skf18("7","6","10","8","8","9","1") = "9"
    & skf18("7","6","10","8","8","10","1") = "9"
    & skf18("7","6","10","8","9","1","1") = "9"
    & skf18("7","6","10","8","9","2","1") = "9"
    & skf18("7","6","10","8","9","3","1") = "9"
    & skf18("7","6","10","8","9","4","1") = "9"
    & skf18("7","6","10","8","9","5","1") = "9"
    & skf18("7","6","10","8","9","6","1") = "9"
    & skf18("7","6","10","8","9","7","1") = "9"
    & skf18("7","6","10","8","9","8","1") = "9"
    & skf18("7","6","10","8","9","9","1") = "9"
    & skf18("7","6","10","8","9","10","1") = "9"
    & skf18("7","6","10","8","10","1","1") = "9"
    & skf18("7","6","10","8","10","2","1") = "9"
    & skf18("7","6","10","8","10","3","1") = "9"
    & skf18("7","6","10","8","10","4","1") = "9"
    & skf18("7","6","10","8","10","5","1") = "9"
    & skf18("7","6","10","8","10","6","1") = "9"
    & skf18("7","6","10","8","10","7","1") = "9"
    & skf18("7","6","10","8","10","8","1") = "9"
    & skf18("7","6","10","8","10","9","1") = "9"
    & skf18("7","6","10","8","10","10","1") = "9"
    & skf18("7","6","10","9","1","1","1") = "9"
    & skf18("7","6","10","9","1","2","1") = "9"
    & skf18("7","6","10","9","1","3","1") = "9"
    & skf18("7","6","10","9","1","4","1") = "9"
    & skf18("7","6","10","9","1","5","1") = "9"
    & skf18("7","6","10","9","1","6","1") = "9"
    & skf18("7","6","10","9","1","7","1") = "9"
    & skf18("7","6","10","9","1","8","1") = "9"
    & skf18("7","6","10","9","1","9","1") = "9"
    & skf18("7","6","10","9","1","10","1") = "9"
    & skf18("7","6","10","9","2","1","1") = "9"
    & skf18("7","6","10","9","2","2","1") = "9"
    & skf18("7","6","10","9","2","3","1") = "9"
    & skf18("7","6","10","9","2","4","1") = "9"
    & skf18("7","6","10","9","2","5","1") = "9"
    & skf18("7","6","10","9","2","6","1") = "9"
    & skf18("7","6","10","9","2","7","1") = "9"
    & skf18("7","6","10","9","2","8","1") = "9"
    & skf18("7","6","10","9","2","9","1") = "9"
    & skf18("7","6","10","9","2","10","1") = "9"
    & skf18("7","6","10","9","3","1","1") = "9"
    & skf18("7","6","10","9","3","2","1") = "9"
    & skf18("7","6","10","9","3","3","1") = "9"
    & skf18("7","6","10","9","3","4","1") = "9"
    & skf18("7","6","10","9","3","5","1") = "9"
    & skf18("7","6","10","9","3","6","1") = "9"
    & skf18("7","6","10","9","3","7","1") = "9"
    & skf18("7","6","10","9","3","8","1") = "9"
    & skf18("7","6","10","9","3","9","1") = "9"
    & skf18("7","6","10","9","3","10","1") = "9"
    & skf18("7","6","10","9","4","1","1") = "9"
    & skf18("7","6","10","9","4","2","1") = "9"
    & skf18("7","6","10","9","4","3","1") = "9"
    & skf18("7","6","10","9","4","4","1") = "9"
    & skf18("7","6","10","9","4","5","1") = "9"
    & skf18("7","6","10","9","4","6","1") = "9"
    & skf18("7","6","10","9","4","7","1") = "9"
    & skf18("7","6","10","9","4","8","1") = "9"
    & skf18("7","6","10","9","4","9","1") = "9"
    & skf18("7","6","10","9","4","10","1") = "9"
    & skf18("7","6","10","9","5","1","1") = "9"
    & skf18("7","6","10","9","5","2","1") = "9"
    & skf18("7","6","10","9","5","3","1") = "9"
    & skf18("7","6","10","9","5","4","1") = "9"
    & skf18("7","6","10","9","5","5","1") = "9"
    & skf18("7","6","10","9","5","6","1") = "9"
    & skf18("7","6","10","9","5","7","1") = "9"
    & skf18("7","6","10","9","5","8","1") = "9"
    & skf18("7","6","10","9","5","9","1") = "9"
    & skf18("7","6","10","9","5","10","1") = "9"
    & skf18("7","6","10","9","6","1","1") = "9"
    & skf18("7","6","10","9","6","2","1") = "9"
    & skf18("7","6","10","9","6","3","1") = "9"
    & skf18("7","6","10","9","6","4","1") = "9"
    & skf18("7","6","10","9","6","5","1") = "9"
    & skf18("7","6","10","9","6","6","1") = "9"
    & skf18("7","6","10","9","6","7","1") = "9"
    & skf18("7","6","10","9","6","8","1") = "9"
    & skf18("7","6","10","9","6","9","1") = "9"
    & skf18("7","6","10","9","6","10","1") = "9"
    & skf18("7","6","10","9","7","1","1") = "9"
    & skf18("7","6","10","9","7","2","1") = "9"
    & skf18("7","6","10","9","7","3","1") = "9"
    & skf18("7","6","10","9","7","4","1") = "9"
    & skf18("7","6","10","9","7","5","1") = "9"
    & skf18("7","6","10","9","7","6","1") = "9"
    & skf18("7","6","10","9","7","7","1") = "9"
    & skf18("7","6","10","9","7","8","1") = "9"
    & skf18("7","6","10","9","7","9","1") = "9"
    & skf18("7","6","10","9","7","10","1") = "9"
    & skf18("7","6","10","9","8","1","1") = "9"
    & skf18("7","6","10","9","8","2","1") = "9"
    & skf18("7","6","10","9","8","3","1") = "9"
    & skf18("7","6","10","9","8","4","1") = "9"
    & skf18("7","6","10","9","8","5","1") = "9"
    & skf18("7","6","10","9","8","6","1") = "9"
    & skf18("7","6","10","9","8","7","1") = "9"
    & skf18("7","6","10","9","8","8","1") = "9"
    & skf18("7","6","10","9","8","9","1") = "9"
    & skf18("7","6","10","9","8","10","1") = "9"
    & skf18("7","6","10","9","9","1","1") = "9"
    & skf18("7","6","10","9","9","2","1") = "9"
    & skf18("7","6","10","9","9","3","1") = "9"
    & skf18("7","6","10","9","9","4","1") = "9"
    & skf18("7","6","10","9","9","5","1") = "9"
    & skf18("7","6","10","9","9","6","1") = "9"
    & skf18("7","6","10","9","9","7","1") = "9"
    & skf18("7","6","10","9","9","8","1") = "9"
    & skf18("7","6","10","9","9","9","1") = "9"
    & skf18("7","6","10","9","9","10","1") = "9"
    & skf18("7","6","10","9","10","1","1") = "9"
    & skf18("7","6","10","9","10","2","1") = "9"
    & skf18("7","6","10","9","10","3","1") = "9"
    & skf18("7","6","10","9","10","4","1") = "9"
    & skf18("7","6","10","9","10","5","1") = "9"
    & skf18("7","6","10","9","10","6","1") = "9"
    & skf18("7","6","10","9","10","7","1") = "9"
    & skf18("7","6","10","9","10","8","1") = "9"
    & skf18("7","6","10","9","10","9","1") = "9"
    & skf18("7","6","10","9","10","10","1") = "9"
    & skf18("7","6","10","10","1","1","1") = "9"
    & skf18("7","6","10","10","1","2","1") = "9"
    & skf18("7","6","10","10","1","3","1") = "9"
    & skf18("7","6","10","10","1","4","1") = "9"
    & skf18("7","6","10","10","1","5","1") = "9"
    & skf18("7","6","10","10","1","6","1") = "9"
    & skf18("7","6","10","10","1","7","1") = "9"
    & skf18("7","6","10","10","1","8","1") = "9"
    & skf18("7","6","10","10","1","9","1") = "9"
    & skf18("7","6","10","10","1","10","1") = "9"
    & skf18("7","6","10","10","2","1","1") = "9"
    & skf18("7","6","10","10","2","2","1") = "9"
    & skf18("7","6","10","10","2","3","1") = "9"
    & skf18("7","6","10","10","2","4","1") = "9"
    & skf18("7","6","10","10","2","5","1") = "9"
    & skf18("7","6","10","10","2","6","1") = "9"
    & skf18("7","6","10","10","2","7","1") = "9"
    & skf18("7","6","10","10","2","8","1") = "9"
    & skf18("7","6","10","10","2","9","1") = "9"
    & skf18("7","6","10","10","2","10","1") = "9"
    & skf18("7","6","10","10","3","1","1") = "9"
    & skf18("7","6","10","10","3","2","1") = "9"
    & skf18("7","6","10","10","3","3","1") = "9"
    & skf18("7","6","10","10","3","4","1") = "9"
    & skf18("7","6","10","10","3","5","1") = "9"
    & skf18("7","6","10","10","3","6","1") = "9"
    & skf18("7","6","10","10","3","7","1") = "9"
    & skf18("7","6","10","10","3","8","1") = "9"
    & skf18("7","6","10","10","3","9","1") = "9"
    & skf18("7","6","10","10","3","10","1") = "9"
    & skf18("7","6","10","10","4","1","1") = "9"
    & skf18("7","6","10","10","4","2","1") = "9"
    & skf18("7","6","10","10","4","3","1") = "9"
    & skf18("7","6","10","10","4","4","1") = "9"
    & skf18("7","6","10","10","4","5","1") = "9"
    & skf18("7","6","10","10","4","6","1") = "9"
    & skf18("7","6","10","10","4","7","1") = "9"
    & skf18("7","6","10","10","4","8","1") = "9"
    & skf18("7","6","10","10","4","9","1") = "9"
    & skf18("7","6","10","10","4","10","1") = "9"
    & skf18("7","6","10","10","5","1","1") = "9"
    & skf18("7","6","10","10","5","2","1") = "9"
    & skf18("7","6","10","10","5","3","1") = "9"
    & skf18("7","6","10","10","5","4","1") = "9"
    & skf18("7","6","10","10","5","5","1") = "9"
    & skf18("7","6","10","10","5","6","1") = "9"
    & skf18("7","6","10","10","5","7","1") = "9"
    & skf18("7","6","10","10","5","8","1") = "9"
    & skf18("7","6","10","10","5","9","1") = "9"
    & skf18("7","6","10","10","5","10","1") = "9"
    & skf18("7","6","10","10","6","1","1") = "9"
    & skf18("7","6","10","10","6","2","1") = "9"
    & skf18("7","6","10","10","6","3","1") = "9"
    & skf18("7","6","10","10","6","4","1") = "9"
    & skf18("7","6","10","10","6","5","1") = "9"
    & skf18("7","6","10","10","6","6","1") = "9"
    & skf18("7","6","10","10","6","7","1") = "9"
    & skf18("7","6","10","10","6","8","1") = "9"
    & skf18("7","6","10","10","6","9","1") = "9"
    & skf18("7","6","10","10","6","10","1") = "9"
    & skf18("7","6","10","10","7","1","1") = "9"
    & skf18("7","6","10","10","7","2","1") = "9"
    & skf18("7","6","10","10","7","3","1") = "9"
    & skf18("7","6","10","10","7","4","1") = "9"
    & skf18("7","6","10","10","7","5","1") = "9"
    & skf18("7","6","10","10","7","6","1") = "9"
    & skf18("7","6","10","10","7","7","1") = "9"
    & skf18("7","6","10","10","7","8","1") = "9"
    & skf18("7","6","10","10","7","9","1") = "9"
    & skf18("7","6","10","10","7","10","1") = "9"
    & skf18("7","6","10","10","8","1","1") = "9"
    & skf18("7","6","10","10","8","2","1") = "9"
    & skf18("7","6","10","10","8","3","1") = "9"
    & skf18("7","6","10","10","8","4","1") = "9"
    & skf18("7","6","10","10","8","5","1") = "9"
    & skf18("7","6","10","10","8","6","1") = "9"
    & skf18("7","6","10","10","8","7","1") = "9"
    & skf18("7","6","10","10","8","8","1") = "9"
    & skf18("7","6","10","10","8","9","1") = "9"
    & skf18("7","6","10","10","8","10","1") = "9"
    & skf18("7","6","10","10","9","1","1") = "9"
    & skf18("7","6","10","10","9","2","1") = "9"
    & skf18("7","6","10","10","9","3","1") = "9"
    & skf18("7","6","10","10","9","4","1") = "9"
    & skf18("7","6","10","10","9","5","1") = "9"
    & skf18("7","6","10","10","9","6","1") = "9"
    & skf18("7","6","10","10","9","7","1") = "9"
    & skf18("7","6","10","10","9","8","1") = "9"
    & skf18("7","6","10","10","9","9","1") = "9"
    & skf18("7","6","10","10","9","10","1") = "9"
    & skf18("7","6","10","10","10","1","1") = "9"
    & skf18("7","6","10","10","10","2","1") = "9"
    & skf18("7","6","10","10","10","3","1") = "9"
    & skf18("7","6","10","10","10","4","1") = "9"
    & skf18("7","6","10","10","10","5","1") = "9"
    & skf18("7","6","10","10","10","6","1") = "9"
    & skf18("7","6","10","10","10","7","1") = "9"
    & skf18("7","6","10","10","10","8","1") = "9"
    & skf18("7","6","10","10","10","9","1") = "9"
    & skf18("7","6","10","10","10","10","1") = "9"
    & skf18("7","7","1","1","1","1","1") = "6"
    & skf18("7","7","1","1","1","2","1") = "6"
    & skf18("7","7","1","1","1","3","1") = "6"
    & skf18("7","7","1","1","1","4","1") = "6"
    & skf18("7","7","1","1","1","5","1") = "6"
    & skf18("7","7","1","1","1","6","1") = "6"
    & skf18("7","7","1","1","1","7","1") = "6"
    & skf18("7","7","1","1","1","8","1") = "7"
    & skf18("7","7","1","1","1","9","1") = "8"
    & skf18("7","7","1","1","1","10","1") = "9"
    & skf18("7","7","1","1","2","1","1") = "6"
    & skf18("7","7","1","1","2","2","1") = "6"
    & skf18("7","7","1","1","2","3","1") = "6"
    & skf18("7","7","1","1","2","4","1") = "6"
    & skf18("7","7","1","1","2","5","1") = "6"
    & skf18("7","7","1","1","2","6","1") = "6"
    & skf18("7","7","1","1","2","7","1") = "6"
    & skf18("7","7","1","1","2","8","1") = "7"
    & skf18("7","7","1","1","2","9","1") = "8"
    & skf18("7","7","1","1","2","10","1") = "9"
    & skf18("7","7","1","1","3","1","1") = "6"
    & skf18("7","7","1","1","3","2","1") = "6"
    & skf18("7","7","1","1","3","3","1") = "6"
    & skf18("7","7","1","1","3","4","1") = "6"
    & skf18("7","7","1","1","3","5","1") = "6"
    & skf18("7","7","1","1","3","6","1") = "6"
    & skf18("7","7","1","1","3","7","1") = "6"
    & skf18("7","7","1","1","3","8","1") = "7"
    & skf18("7","7","1","1","3","9","1") = "8"
    & skf18("7","7","1","1","3","10","1") = "9"
    & skf18("7","7","1","1","4","1","1") = "6"
    & skf18("7","7","1","1","4","2","1") = "6"
    & skf18("7","7","1","1","4","3","1") = "6"
    & skf18("7","7","1","1","4","4","1") = "6"
    & skf18("7","7","1","1","4","5","1") = "6"
    & skf18("7","7","1","1","4","6","1") = "6"
    & skf18("7","7","1","1","4","7","1") = "6"
    & skf18("7","7","1","1","4","8","1") = "7"
    & skf18("7","7","1","1","4","9","1") = "8"
    & skf18("7","7","1","1","4","10","1") = "9"
    & skf18("7","7","1","1","5","1","1") = "6"
    & skf18("7","7","1","1","5","2","1") = "6"
    & skf18("7","7","1","1","5","3","1") = "6"
    & skf18("7","7","1","1","5","4","1") = "6"
    & skf18("7","7","1","1","5","5","1") = "6"
    & skf18("7","7","1","1","5","6","1") = "6"
    & skf18("7","7","1","1","5","7","1") = "6"
    & skf18("7","7","1","1","5","8","1") = "7"
    & skf18("7","7","1","1","5","9","1") = "8"
    & skf18("7","7","1","1","5","10","1") = "9"
    & skf18("7","7","1","1","6","1","1") = "6"
    & skf18("7","7","1","1","6","2","1") = "6"
    & skf18("7","7","1","1","6","3","1") = "6"
    & skf18("7","7","1","1","6","4","1") = "6"
    & skf18("7","7","1","1","6","5","1") = "6"
    & skf18("7","7","1","1","6","6","1") = "6"
    & skf18("7","7","1","1","6","7","1") = "6"
    & skf18("7","7","1","1","6","8","1") = "7"
    & skf18("7","7","1","1","6","9","1") = "8"
    & skf18("7","7","1","1","6","10","1") = "9"
    & skf18("7","7","1","1","7","1","1") = "6"
    & skf18("7","7","1","1","7","2","1") = "6"
    & skf18("7","7","1","1","7","3","1") = "6"
    & skf18("7","7","1","1","7","4","1") = "6"
    & skf18("7","7","1","1","7","5","1") = "6"
    & skf18("7","7","1","1","7","6","1") = "6"
    & skf18("7","7","1","1","7","7","1") = "6"
    & skf18("7","7","1","1","7","8","1") = "7"
    & skf18("7","7","1","1","7","9","1") = "8"
    & skf18("7","7","1","1","7","10","1") = "9"
    & skf18("7","7","1","1","8","1","1") = "7"
    & skf18("7","7","1","1","8","2","1") = "7"
    & skf18("7","7","1","1","8","3","1") = "7"
    & skf18("7","7","1","1","8","4","1") = "7"
    & skf18("7","7","1","1","8","5","1") = "7"
    & skf18("7","7","1","1","8","6","1") = "7"
    & skf18("7","7","1","1","8","7","1") = "7"
    & skf18("7","7","1","1","8","8","1") = "7"
    & skf18("7","7","1","1","8","9","1") = "8"
    & skf18("7","7","1","1","8","10","1") = "9"
    & skf18("7","7","1","1","9","1","1") = "8"
    & skf18("7","7","1","1","9","2","1") = "8"
    & skf18("7","7","1","1","9","3","1") = "8"
    & skf18("7","7","1","1","9","4","1") = "8"
    & skf18("7","7","1","1","9","5","1") = "8"
    & skf18("7","7","1","1","9","6","1") = "8"
    & skf18("7","7","1","1","9","7","1") = "8"
    & skf18("7","7","1","1","9","8","1") = "8"
    & skf18("7","7","1","1","9","9","1") = "8"
    & skf18("7","7","1","1","9","10","1") = "9"
    & skf18("7","7","1","1","10","1","1") = "9"
    & skf18("7","7","1","1","10","2","1") = "9"
    & skf18("7","7","1","1","10","3","1") = "9"
    & skf18("7","7","1","1","10","4","1") = "9"
    & skf18("7","7","1","1","10","5","1") = "9"
    & skf18("7","7","1","1","10","6","1") = "9"
    & skf18("7","7","1","1","10","7","1") = "9"
    & skf18("7","7","1","1","10","8","1") = "9"
    & skf18("7","7","1","1","10","9","1") = "9"
    & skf18("7","7","1","1","10","10","1") = "9"
    & skf18("7","7","1","2","1","1","1") = "6"
    & skf18("7","7","1","2","1","2","1") = "6"
    & skf18("7","7","1","2","1","3","1") = "6"
    & skf18("7","7","1","2","1","4","1") = "6"
    & skf18("7","7","1","2","1","5","1") = "6"
    & skf18("7","7","1","2","1","6","1") = "6"
    & skf18("7","7","1","2","1","7","1") = "6"
    & skf18("7","7","1","2","1","8","1") = "7"
    & skf18("7","7","1","2","1","9","1") = "8"
    & skf18("7","7","1","2","1","10","1") = "9"
    & skf18("7","7","1","2","2","1","1") = "6"
    & skf18("7","7","1","2","2","2","1") = "6"
    & skf18("7","7","1","2","2","3","1") = "6"
    & skf18("7","7","1","2","2","4","1") = "6"
    & skf18("7","7","1","2","2","5","1") = "6"
    & skf18("7","7","1","2","2","6","1") = "6"
    & skf18("7","7","1","2","2","7","1") = "6"
    & skf18("7","7","1","2","2","8","1") = "7"
    & skf18("7","7","1","2","2","9","1") = "8"
    & skf18("7","7","1","2","2","10","1") = "9"
    & skf18("7","7","1","2","3","1","1") = "6"
    & skf18("7","7","1","2","3","2","1") = "6"
    & skf18("7","7","1","2","3","3","1") = "6"
    & skf18("7","7","1","2","3","4","1") = "6"
    & skf18("7","7","1","2","3","5","1") = "6"
    & skf18("7","7","1","2","3","6","1") = "6"
    & skf18("7","7","1","2","3","7","1") = "6"
    & skf18("7","7","1","2","3","8","1") = "7"
    & skf18("7","7","1","2","3","9","1") = "8"
    & skf18("7","7","1","2","3","10","1") = "9"
    & skf18("7","7","1","2","4","1","1") = "6"
    & skf18("7","7","1","2","4","2","1") = "6"
    & skf18("7","7","1","2","4","3","1") = "6"
    & skf18("7","7","1","2","4","4","1") = "6"
    & skf18("7","7","1","2","4","5","1") = "6"
    & skf18("7","7","1","2","4","6","1") = "6"
    & skf18("7","7","1","2","4","7","1") = "6"
    & skf18("7","7","1","2","4","8","1") = "7"
    & skf18("7","7","1","2","4","9","1") = "8"
    & skf18("7","7","1","2","4","10","1") = "9"
    & skf18("7","7","1","2","5","1","1") = "6"
    & skf18("7","7","1","2","5","2","1") = "6"
    & skf18("7","7","1","2","5","3","1") = "6"
    & skf18("7","7","1","2","5","4","1") = "6"
    & skf18("7","7","1","2","5","5","1") = "6"
    & skf18("7","7","1","2","5","6","1") = "6"
    & skf18("7","7","1","2","5","7","1") = "6"
    & skf18("7","7","1","2","5","8","1") = "7"
    & skf18("7","7","1","2","5","9","1") = "8"
    & skf18("7","7","1","2","5","10","1") = "9"
    & skf18("7","7","1","2","6","1","1") = "6"
    & skf18("7","7","1","2","6","2","1") = "6"
    & skf18("7","7","1","2","6","3","1") = "6"
    & skf18("7","7","1","2","6","4","1") = "6"
    & skf18("7","7","1","2","6","5","1") = "6"
    & skf18("7","7","1","2","6","6","1") = "6"
    & skf18("7","7","1","2","6","7","1") = "6"
    & skf18("7","7","1","2","6","8","1") = "7"
    & skf18("7","7","1","2","6","9","1") = "8"
    & skf18("7","7","1","2","6","10","1") = "9"
    & skf18("7","7","1","2","7","1","1") = "6"
    & skf18("7","7","1","2","7","2","1") = "6"
    & skf18("7","7","1","2","7","3","1") = "6"
    & skf18("7","7","1","2","7","4","1") = "6"
    & skf18("7","7","1","2","7","5","1") = "6"
    & skf18("7","7","1","2","7","6","1") = "6"
    & skf18("7","7","1","2","7","7","1") = "6"
    & skf18("7","7","1","2","7","8","1") = "7"
    & skf18("7","7","1","2","7","9","1") = "8"
    & skf18("7","7","1","2","7","10","1") = "9"
    & skf18("7","7","1","2","8","1","1") = "7"
    & skf18("7","7","1","2","8","2","1") = "7"
    & skf18("7","7","1","2","8","3","1") = "7"
    & skf18("7","7","1","2","8","4","1") = "7"
    & skf18("7","7","1","2","8","5","1") = "7"
    & skf18("7","7","1","2","8","6","1") = "7"
    & skf18("7","7","1","2","8","7","1") = "7"
    & skf18("7","7","1","2","8","8","1") = "7"
    & skf18("7","7","1","2","8","9","1") = "8"
    & skf18("7","7","1","2","8","10","1") = "9"
    & skf18("7","7","1","2","9","1","1") = "8"
    & skf18("7","7","1","2","9","2","1") = "8"
    & skf18("7","7","1","2","9","3","1") = "8"
    & skf18("7","7","1","2","9","4","1") = "8"
    & skf18("7","7","1","2","9","5","1") = "8"
    & skf18("7","7","1","2","9","6","1") = "8"
    & skf18("7","7","1","2","9","7","1") = "8"
    & skf18("7","7","1","2","9","8","1") = "8"
    & skf18("7","7","1","2","9","9","1") = "8"
    & skf18("7","7","1","2","9","10","1") = "9"
    & skf18("7","7","1","2","10","1","1") = "9"
    & skf18("7","7","1","2","10","2","1") = "9"
    & skf18("7","7","1","2","10","3","1") = "9"
    & skf18("7","7","1","2","10","4","1") = "9"
    & skf18("7","7","1","2","10","5","1") = "9"
    & skf18("7","7","1","2","10","6","1") = "9"
    & skf18("7","7","1","2","10","7","1") = "9"
    & skf18("7","7","1","2","10","8","1") = "9"
    & skf18("7","7","1","2","10","9","1") = "9"
    & skf18("7","7","1","2","10","10","1") = "9"
    & skf18("7","7","1","3","1","1","1") = "6"
    & skf18("7","7","1","3","1","2","1") = "6"
    & skf18("7","7","1","3","1","3","1") = "6"
    & skf18("7","7","1","3","1","4","1") = "6"
    & skf18("7","7","1","3","1","5","1") = "6"
    & skf18("7","7","1","3","1","6","1") = "6"
    & skf18("7","7","1","3","1","7","1") = "6"
    & skf18("7","7","1","3","1","8","1") = "7"
    & skf18("7","7","1","3","1","9","1") = "8"
    & skf18("7","7","1","3","1","10","1") = "9"
    & skf18("7","7","1","3","2","1","1") = "6"
    & skf18("7","7","1","3","2","2","1") = "6"
    & skf18("7","7","1","3","2","3","1") = "6"
    & skf18("7","7","1","3","2","4","1") = "6"
    & skf18("7","7","1","3","2","5","1") = "6"
    & skf18("7","7","1","3","2","6","1") = "6"
    & skf18("7","7","1","3","2","7","1") = "6"
    & skf18("7","7","1","3","2","8","1") = "7"
    & skf18("7","7","1","3","2","9","1") = "8"
    & skf18("7","7","1","3","2","10","1") = "9"
    & skf18("7","7","1","3","3","1","1") = "6"
    & skf18("7","7","1","3","3","2","1") = "6"
    & skf18("7","7","1","3","3","3","1") = "6"
    & skf18("7","7","1","3","3","4","1") = "6"
    & skf18("7","7","1","3","3","5","1") = "6"
    & skf18("7","7","1","3","3","6","1") = "6"
    & skf18("7","7","1","3","3","7","1") = "6"
    & skf18("7","7","1","3","3","8","1") = "7"
    & skf18("7","7","1","3","3","9","1") = "8"
    & skf18("7","7","1","3","3","10","1") = "9"
    & skf18("7","7","1","3","4","1","1") = "6"
    & skf18("7","7","1","3","4","2","1") = "6"
    & skf18("7","7","1","3","4","3","1") = "6"
    & skf18("7","7","1","3","4","4","1") = "6"
    & skf18("7","7","1","3","4","5","1") = "6"
    & skf18("7","7","1","3","4","6","1") = "6"
    & skf18("7","7","1","3","4","7","1") = "6"
    & skf18("7","7","1","3","4","8","1") = "7"
    & skf18("7","7","1","3","4","9","1") = "8"
    & skf18("7","7","1","3","4","10","1") = "9"
    & skf18("7","7","1","3","5","1","1") = "6"
    & skf18("7","7","1","3","5","2","1") = "6"
    & skf18("7","7","1","3","5","3","1") = "6"
    & skf18("7","7","1","3","5","4","1") = "6"
    & skf18("7","7","1","3","5","5","1") = "6"
    & skf18("7","7","1","3","5","6","1") = "6"
    & skf18("7","7","1","3","5","7","1") = "6"
    & skf18("7","7","1","3","5","8","1") = "7"
    & skf18("7","7","1","3","5","9","1") = "8"
    & skf18("7","7","1","3","5","10","1") = "9"
    & skf18("7","7","1","3","6","1","1") = "6"
    & skf18("7","7","1","3","6","2","1") = "6"
    & skf18("7","7","1","3","6","3","1") = "6"
    & skf18("7","7","1","3","6","4","1") = "6"
    & skf18("7","7","1","3","6","5","1") = "6"
    & skf18("7","7","1","3","6","6","1") = "6"
    & skf18("7","7","1","3","6","7","1") = "6"
    & skf18("7","7","1","3","6","8","1") = "7"
    & skf18("7","7","1","3","6","9","1") = "8"
    & skf18("7","7","1","3","6","10","1") = "9"
    & skf18("7","7","1","3","7","1","1") = "6"
    & skf18("7","7","1","3","7","2","1") = "6"
    & skf18("7","7","1","3","7","3","1") = "6"
    & skf18("7","7","1","3","7","4","1") = "6"
    & skf18("7","7","1","3","7","5","1") = "6"
    & skf18("7","7","1","3","7","6","1") = "6"
    & skf18("7","7","1","3","7","7","1") = "6"
    & skf18("7","7","1","3","7","8","1") = "7"
    & skf18("7","7","1","3","7","9","1") = "8"
    & skf18("7","7","1","3","7","10","1") = "9"
    & skf18("7","7","1","3","8","1","1") = "7"
    & skf18("7","7","1","3","8","2","1") = "7"
    & skf18("7","7","1","3","8","3","1") = "7"
    & skf18("7","7","1","3","8","4","1") = "7"
    & skf18("7","7","1","3","8","5","1") = "7"
    & skf18("7","7","1","3","8","6","1") = "7"
    & skf18("7","7","1","3","8","7","1") = "7"
    & skf18("7","7","1","3","8","8","1") = "7"
    & skf18("7","7","1","3","8","9","1") = "8"
    & skf18("7","7","1","3","8","10","1") = "9"
    & skf18("7","7","1","3","9","1","1") = "8"
    & skf18("7","7","1","3","9","2","1") = "8"
    & skf18("7","7","1","3","9","3","1") = "8"
    & skf18("7","7","1","3","9","4","1") = "8"
    & skf18("7","7","1","3","9","5","1") = "8"
    & skf18("7","7","1","3","9","6","1") = "8"
    & skf18("7","7","1","3","9","7","1") = "8"
    & skf18("7","7","1","3","9","8","1") = "8"
    & skf18("7","7","1","3","9","9","1") = "8"
    & skf18("7","7","1","3","9","10","1") = "9"
    & skf18("7","7","1","3","10","1","1") = "9"
    & skf18("7","7","1","3","10","2","1") = "9"
    & skf18("7","7","1","3","10","3","1") = "9"
    & skf18("7","7","1","3","10","4","1") = "9"
    & skf18("7","7","1","3","10","5","1") = "9"
    & skf18("7","7","1","3","10","6","1") = "9"
    & skf18("7","7","1","3","10","7","1") = "9"
    & skf18("7","7","1","3","10","8","1") = "9"
    & skf18("7","7","1","3","10","9","1") = "9"
    & skf18("7","7","1","3","10","10","1") = "9"
    & skf18("7","7","1","4","1","1","1") = "6"
    & skf18("7","7","1","4","1","2","1") = "6"
    & skf18("7","7","1","4","1","3","1") = "6"
    & skf18("7","7","1","4","1","4","1") = "6"
    & skf18("7","7","1","4","1","5","1") = "6"
    & skf18("7","7","1","4","1","6","1") = "6"
    & skf18("7","7","1","4","1","7","1") = "6"
    & skf18("7","7","1","4","1","8","1") = "7"
    & skf18("7","7","1","4","1","9","1") = "8"
    & skf18("7","7","1","4","1","10","1") = "9"
    & skf18("7","7","1","4","2","1","1") = "6"
    & skf18("7","7","1","4","2","2","1") = "6"
    & skf18("7","7","1","4","2","3","1") = "6"
    & skf18("7","7","1","4","2","4","1") = "6"
    & skf18("7","7","1","4","2","5","1") = "6"
    & skf18("7","7","1","4","2","6","1") = "6"
    & skf18("7","7","1","4","2","7","1") = "6"
    & skf18("7","7","1","4","2","8","1") = "7"
    & skf18("7","7","1","4","2","9","1") = "8"
    & skf18("7","7","1","4","2","10","1") = "9"
    & skf18("7","7","1","4","3","1","1") = "6"
    & skf18("7","7","1","4","3","2","1") = "6"
    & skf18("7","7","1","4","3","3","1") = "6"
    & skf18("7","7","1","4","3","4","1") = "6"
    & skf18("7","7","1","4","3","5","1") = "6"
    & skf18("7","7","1","4","3","6","1") = "6"
    & skf18("7","7","1","4","3","7","1") = "6"
    & skf18("7","7","1","4","3","8","1") = "7"
    & skf18("7","7","1","4","3","9","1") = "8"
    & skf18("7","7","1","4","3","10","1") = "9"
    & skf18("7","7","1","4","4","1","1") = "6"
    & skf18("7","7","1","4","4","2","1") = "6"
    & skf18("7","7","1","4","4","3","1") = "6"
    & skf18("7","7","1","4","4","4","1") = "6"
    & skf18("7","7","1","4","4","5","1") = "6"
    & skf18("7","7","1","4","4","6","1") = "6"
    & skf18("7","7","1","4","4","7","1") = "6"
    & skf18("7","7","1","4","4","8","1") = "7"
    & skf18("7","7","1","4","4","9","1") = "8"
    & skf18("7","7","1","4","4","10","1") = "9"
    & skf18("7","7","1","4","5","1","1") = "6"
    & skf18("7","7","1","4","5","2","1") = "6"
    & skf18("7","7","1","4","5","3","1") = "6"
    & skf18("7","7","1","4","5","4","1") = "6"
    & skf18("7","7","1","4","5","5","1") = "6"
    & skf18("7","7","1","4","5","6","1") = "6"
    & skf18("7","7","1","4","5","7","1") = "6"
    & skf18("7","7","1","4","5","8","1") = "7"
    & skf18("7","7","1","4","5","9","1") = "8"
    & skf18("7","7","1","4","5","10","1") = "9"
    & skf18("7","7","1","4","6","1","1") = "6"
    & skf18("7","7","1","4","6","2","1") = "6"
    & skf18("7","7","1","4","6","3","1") = "6"
    & skf18("7","7","1","4","6","4","1") = "6"
    & skf18("7","7","1","4","6","5","1") = "6"
    & skf18("7","7","1","4","6","6","1") = "6"
    & skf18("7","7","1","4","6","7","1") = "6"
    & skf18("7","7","1","4","6","8","1") = "7"
    & skf18("7","7","1","4","6","9","1") = "8"
    & skf18("7","7","1","4","6","10","1") = "9"
    & skf18("7","7","1","4","7","1","1") = "6"
    & skf18("7","7","1","4","7","2","1") = "6"
    & skf18("7","7","1","4","7","3","1") = "6"
    & skf18("7","7","1","4","7","4","1") = "6"
    & skf18("7","7","1","4","7","5","1") = "6"
    & skf18("7","7","1","4","7","6","1") = "6"
    & skf18("7","7","1","4","7","7","1") = "6"
    & skf18("7","7","1","4","7","8","1") = "7"
    & skf18("7","7","1","4","7","9","1") = "8"
    & skf18("7","7","1","4","7","10","1") = "9"
    & skf18("7","7","1","4","8","1","1") = "7"
    & skf18("7","7","1","4","8","2","1") = "7"
    & skf18("7","7","1","4","8","3","1") = "7"
    & skf18("7","7","1","4","8","4","1") = "7"
    & skf18("7","7","1","4","8","5","1") = "7"
    & skf18("7","7","1","4","8","6","1") = "7"
    & skf18("7","7","1","4","8","7","1") = "7"
    & skf18("7","7","1","4","8","8","1") = "7"
    & skf18("7","7","1","4","8","9","1") = "8"
    & skf18("7","7","1","4","8","10","1") = "9"
    & skf18("7","7","1","4","9","1","1") = "8"
    & skf18("7","7","1","4","9","2","1") = "8"
    & skf18("7","7","1","4","9","3","1") = "8"
    & skf18("7","7","1","4","9","4","1") = "8"
    & skf18("7","7","1","4","9","5","1") = "8"
    & skf18("7","7","1","4","9","6","1") = "8"
    & skf18("7","7","1","4","9","7","1") = "8"
    & skf18("7","7","1","4","9","8","1") = "8"
    & skf18("7","7","1","4","9","9","1") = "8"
    & skf18("7","7","1","4","9","10","1") = "9"
    & skf18("7","7","1","4","10","1","1") = "9"
    & skf18("7","7","1","4","10","2","1") = "9"
    & skf18("7","7","1","4","10","3","1") = "9"
    & skf18("7","7","1","4","10","4","1") = "9"
    & skf18("7","7","1","4","10","5","1") = "9"
    & skf18("7","7","1","4","10","6","1") = "9"
    & skf18("7","7","1","4","10","7","1") = "9"
    & skf18("7","7","1","4","10","8","1") = "9"
    & skf18("7","7","1","4","10","9","1") = "9"
    & skf18("7","7","1","4","10","10","1") = "9"
    & skf18("7","7","1","5","1","1","1") = "6"
    & skf18("7","7","1","5","1","2","1") = "6"
    & skf18("7","7","1","5","1","3","1") = "6"
    & skf18("7","7","1","5","1","4","1") = "6"
    & skf18("7","7","1","5","1","5","1") = "6"
    & skf18("7","7","1","5","1","6","1") = "6"
    & skf18("7","7","1","5","1","7","1") = "6"
    & skf18("7","7","1","5","1","8","1") = "7"
    & skf18("7","7","1","5","1","9","1") = "8"
    & skf18("7","7","1","5","1","10","1") = "9"
    & skf18("7","7","1","5","2","1","1") = "6"
    & skf18("7","7","1","5","2","2","1") = "6"
    & skf18("7","7","1","5","2","3","1") = "6"
    & skf18("7","7","1","5","2","4","1") = "6"
    & skf18("7","7","1","5","2","5","1") = "6"
    & skf18("7","7","1","5","2","6","1") = "6"
    & skf18("7","7","1","5","2","7","1") = "6"
    & skf18("7","7","1","5","2","8","1") = "7"
    & skf18("7","7","1","5","2","9","1") = "8"
    & skf18("7","7","1","5","2","10","1") = "9"
    & skf18("7","7","1","5","3","1","1") = "6"
    & skf18("7","7","1","5","3","2","1") = "6"
    & skf18("7","7","1","5","3","3","1") = "6"
    & skf18("7","7","1","5","3","4","1") = "6"
    & skf18("7","7","1","5","3","5","1") = "6"
    & skf18("7","7","1","5","3","6","1") = "6"
    & skf18("7","7","1","5","3","7","1") = "6"
    & skf18("7","7","1","5","3","8","1") = "7"
    & skf18("7","7","1","5","3","9","1") = "8"
    & skf18("7","7","1","5","3","10","1") = "9"
    & skf18("7","7","1","5","4","1","1") = "6"
    & skf18("7","7","1","5","4","2","1") = "6"
    & skf18("7","7","1","5","4","3","1") = "6"
    & skf18("7","7","1","5","4","4","1") = "6"
    & skf18("7","7","1","5","4","5","1") = "6"
    & skf18("7","7","1","5","4","6","1") = "6"
    & skf18("7","7","1","5","4","7","1") = "6"
    & skf18("7","7","1","5","4","8","1") = "7"
    & skf18("7","7","1","5","4","9","1") = "8"
    & skf18("7","7","1","5","4","10","1") = "9"
    & skf18("7","7","1","5","5","1","1") = "6"
    & skf18("7","7","1","5","5","2","1") = "6"
    & skf18("7","7","1","5","5","3","1") = "6"
    & skf18("7","7","1","5","5","4","1") = "6"
    & skf18("7","7","1","5","5","5","1") = "6"
    & skf18("7","7","1","5","5","6","1") = "6"
    & skf18("7","7","1","5","5","7","1") = "6"
    & skf18("7","7","1","5","5","8","1") = "7"
    & skf18("7","7","1","5","5","9","1") = "8"
    & skf18("7","7","1","5","5","10","1") = "9"
    & skf18("7","7","1","5","6","1","1") = "6"
    & skf18("7","7","1","5","6","2","1") = "6"
    & skf18("7","7","1","5","6","3","1") = "6"
    & skf18("7","7","1","5","6","4","1") = "6"
    & skf18("7","7","1","5","6","5","1") = "6"
    & skf18("7","7","1","5","6","6","1") = "6"
    & skf18("7","7","1","5","6","7","1") = "6"
    & skf18("7","7","1","5","6","8","1") = "7"
    & skf18("7","7","1","5","6","9","1") = "8"
    & skf18("7","7","1","5","6","10","1") = "9"
    & skf18("7","7","1","5","7","1","1") = "6"
    & skf18("7","7","1","5","7","2","1") = "6"
    & skf18("7","7","1","5","7","3","1") = "6"
    & skf18("7","7","1","5","7","4","1") = "6"
    & skf18("7","7","1","5","7","5","1") = "6"
    & skf18("7","7","1","5","7","6","1") = "6"
    & skf18("7","7","1","5","7","7","1") = "6"
    & skf18("7","7","1","5","7","8","1") = "7"
    & skf18("7","7","1","5","7","9","1") = "8"
    & skf18("7","7","1","5","7","10","1") = "9"
    & skf18("7","7","1","5","8","1","1") = "7"
    & skf18("7","7","1","5","8","2","1") = "7"
    & skf18("7","7","1","5","8","3","1") = "7"
    & skf18("7","7","1","5","8","4","1") = "7"
    & skf18("7","7","1","5","8","5","1") = "7"
    & skf18("7","7","1","5","8","6","1") = "7"
    & skf18("7","7","1","5","8","7","1") = "7"
    & skf18("7","7","1","5","8","8","1") = "7"
    & skf18("7","7","1","5","8","9","1") = "8"
    & skf18("7","7","1","5","8","10","1") = "9"
    & skf18("7","7","1","5","9","1","1") = "8"
    & skf18("7","7","1","5","9","2","1") = "8"
    & skf18("7","7","1","5","9","3","1") = "8"
    & skf18("7","7","1","5","9","4","1") = "8"
    & skf18("7","7","1","5","9","5","1") = "8"
    & skf18("7","7","1","5","9","6","1") = "8"
    & skf18("7","7","1","5","9","7","1") = "8"
    & skf18("7","7","1","5","9","8","1") = "8"
    & skf18("7","7","1","5","9","9","1") = "8"
    & skf18("7","7","1","5","9","10","1") = "9"
    & skf18("7","7","1","5","10","1","1") = "9"
    & skf18("7","7","1","5","10","2","1") = "9"
    & skf18("7","7","1","5","10","3","1") = "9"
    & skf18("7","7","1","5","10","4","1") = "9"
    & skf18("7","7","1","5","10","5","1") = "9"
    & skf18("7","7","1","5","10","6","1") = "9"
    & skf18("7","7","1","5","10","7","1") = "9"
    & skf18("7","7","1","5","10","8","1") = "9"
    & skf18("7","7","1","5","10","9","1") = "9"
    & skf18("7","7","1","5","10","10","1") = "9"
    & skf18("7","7","1","6","1","1","1") = "6"
    & skf18("7","7","1","6","1","2","1") = "6"
    & skf18("7","7","1","6","1","3","1") = "6"
    & skf18("7","7","1","6","1","4","1") = "6"
    & skf18("7","7","1","6","1","5","1") = "6"
    & skf18("7","7","1","6","1","6","1") = "6"
    & skf18("7","7","1","6","1","7","1") = "6"
    & skf18("7","7","1","6","1","8","1") = "7"
    & skf18("7","7","1","6","1","9","1") = "8"
    & skf18("7","7","1","6","1","10","1") = "9"
    & skf18("7","7","1","6","2","1","1") = "6"
    & skf18("7","7","1","6","2","2","1") = "6"
    & skf18("7","7","1","6","2","3","1") = "6"
    & skf18("7","7","1","6","2","4","1") = "6"
    & skf18("7","7","1","6","2","5","1") = "6"
    & skf18("7","7","1","6","2","6","1") = "6"
    & skf18("7","7","1","6","2","7","1") = "6"
    & skf18("7","7","1","6","2","8","1") = "7"
    & skf18("7","7","1","6","2","9","1") = "8"
    & skf18("7","7","1","6","2","10","1") = "9"
    & skf18("7","7","1","6","3","1","1") = "6"
    & skf18("7","7","1","6","3","2","1") = "6"
    & skf18("7","7","1","6","3","3","1") = "6"
    & skf18("7","7","1","6","3","4","1") = "6"
    & skf18("7","7","1","6","3","5","1") = "6"
    & skf18("7","7","1","6","3","6","1") = "6"
    & skf18("7","7","1","6","3","7","1") = "6"
    & skf18("7","7","1","6","3","8","1") = "7"
    & skf18("7","7","1","6","3","9","1") = "8"
    & skf18("7","7","1","6","3","10","1") = "9"
    & skf18("7","7","1","6","4","1","1") = "6"
    & skf18("7","7","1","6","4","2","1") = "6"
    & skf18("7","7","1","6","4","3","1") = "6"
    & skf18("7","7","1","6","4","4","1") = "6"
    & skf18("7","7","1","6","4","5","1") = "6"
    & skf18("7","7","1","6","4","6","1") = "6"
    & skf18("7","7","1","6","4","7","1") = "6"
    & skf18("7","7","1","6","4","8","1") = "7"
    & skf18("7","7","1","6","4","9","1") = "8"
    & skf18("7","7","1","6","4","10","1") = "9"
    & skf18("7","7","1","6","5","1","1") = "6"
    & skf18("7","7","1","6","5","2","1") = "6"
    & skf18("7","7","1","6","5","3","1") = "6"
    & skf18("7","7","1","6","5","4","1") = "6"
    & skf18("7","7","1","6","5","5","1") = "6"
    & skf18("7","7","1","6","5","6","1") = "6"
    & skf18("7","7","1","6","5","7","1") = "6"
    & skf18("7","7","1","6","5","8","1") = "7"
    & skf18("7","7","1","6","5","9","1") = "8"
    & skf18("7","7","1","6","5","10","1") = "9"
    & skf18("7","7","1","6","6","1","1") = "6"
    & skf18("7","7","1","6","6","2","1") = "6"
    & skf18("7","7","1","6","6","3","1") = "6"
    & skf18("7","7","1","6","6","4","1") = "6"
    & skf18("7","7","1","6","6","5","1") = "6"
    & skf18("7","7","1","6","6","6","1") = "6"
    & skf18("7","7","1","6","6","7","1") = "6"
    & skf18("7","7","1","6","6","8","1") = "7"
    & skf18("7","7","1","6","6","9","1") = "8"
    & skf18("7","7","1","6","6","10","1") = "9"
    & skf18("7","7","1","6","7","1","1") = "6"
    & skf18("7","7","1","6","7","2","1") = "6"
    & skf18("7","7","1","6","7","3","1") = "6"
    & skf18("7","7","1","6","7","4","1") = "6"
    & skf18("7","7","1","6","7","5","1") = "6"
    & skf18("7","7","1","6","7","6","1") = "6"
    & skf18("7","7","1","6","7","7","1") = "6"
    & skf18("7","7","1","6","7","8","1") = "7"
    & skf18("7","7","1","6","7","9","1") = "8"
    & skf18("7","7","1","6","7","10","1") = "9"
    & skf18("7","7","1","6","8","1","1") = "7"
    & skf18("7","7","1","6","8","2","1") = "7"
    & skf18("7","7","1","6","8","3","1") = "7"
    & skf18("7","7","1","6","8","4","1") = "7"
    & skf18("7","7","1","6","8","5","1") = "7"
    & skf18("7","7","1","6","8","6","1") = "7"
    & skf18("7","7","1","6","8","7","1") = "7"
    & skf18("7","7","1","6","8","8","1") = "7"
    & skf18("7","7","1","6","8","9","1") = "8"
    & skf18("7","7","1","6","8","10","1") = "9"
    & skf18("7","7","1","6","9","1","1") = "8"
    & skf18("7","7","1","6","9","2","1") = "8"
    & skf18("7","7","1","6","9","3","1") = "8"
    & skf18("7","7","1","6","9","4","1") = "8"
    & skf18("7","7","1","6","9","5","1") = "8"
    & skf18("7","7","1","6","9","6","1") = "8"
    & skf18("7","7","1","6","9","7","1") = "8"
    & skf18("7","7","1","6","9","8","1") = "8"
    & skf18("7","7","1","6","9","9","1") = "8"
    & skf18("7","7","1","6","9","10","1") = "9"
    & skf18("7","7","1","6","10","1","1") = "9"
    & skf18("7","7","1","6","10","2","1") = "9"
    & skf18("7","7","1","6","10","3","1") = "9"
    & skf18("7","7","1","6","10","4","1") = "9"
    & skf18("7","7","1","6","10","5","1") = "9"
    & skf18("7","7","1","6","10","6","1") = "9"
    & skf18("7","7","1","6","10","7","1") = "9"
    & skf18("7","7","1","6","10","8","1") = "9"
    & skf18("7","7","1","6","10","9","1") = "9"
    & skf18("7","7","1","6","10","10","1") = "9"
    & skf18("7","7","1","7","1","1","1") = "6"
    & skf18("7","7","1","7","1","2","1") = "6"
    & skf18("7","7","1","7","1","3","1") = "6"
    & skf18("7","7","1","7","1","4","1") = "6"
    & skf18("7","7","1","7","1","5","1") = "6"
    & skf18("7","7","1","7","1","6","1") = "6"
    & skf18("7","7","1","7","1","7","1") = "6"
    & skf18("7","7","1","7","1","8","1") = "7"
    & skf18("7","7","1","7","1","9","1") = "8"
    & skf18("7","7","1","7","1","10","1") = "9"
    & skf18("7","7","1","7","2","1","1") = "6"
    & skf18("7","7","1","7","2","2","1") = "6"
    & skf18("7","7","1","7","2","3","1") = "6"
    & skf18("7","7","1","7","2","4","1") = "6"
    & skf18("7","7","1","7","2","5","1") = "6"
    & skf18("7","7","1","7","2","6","1") = "6"
    & skf18("7","7","1","7","2","7","1") = "6"
    & skf18("7","7","1","7","2","8","1") = "7"
    & skf18("7","7","1","7","2","9","1") = "8"
    & skf18("7","7","1","7","2","10","1") = "9"
    & skf18("7","7","1","7","3","1","1") = "6"
    & skf18("7","7","1","7","3","2","1") = "6"
    & skf18("7","7","1","7","3","3","1") = "6"
    & skf18("7","7","1","7","3","4","1") = "6"
    & skf18("7","7","1","7","3","5","1") = "6"
    & skf18("7","7","1","7","3","6","1") = "6"
    & skf18("7","7","1","7","3","7","1") = "6"
    & skf18("7","7","1","7","3","8","1") = "7"
    & skf18("7","7","1","7","3","9","1") = "8"
    & skf18("7","7","1","7","3","10","1") = "9"
    & skf18("7","7","1","7","4","1","1") = "6"
    & skf18("7","7","1","7","4","2","1") = "6"
    & skf18("7","7","1","7","4","3","1") = "6"
    & skf18("7","7","1","7","4","4","1") = "6"
    & skf18("7","7","1","7","4","5","1") = "6"
    & skf18("7","7","1","7","4","6","1") = "6"
    & skf18("7","7","1","7","4","7","1") = "6"
    & skf18("7","7","1","7","4","8","1") = "7"
    & skf18("7","7","1","7","4","9","1") = "8"
    & skf18("7","7","1","7","4","10","1") = "9"
    & skf18("7","7","1","7","5","1","1") = "6"
    & skf18("7","7","1","7","5","2","1") = "6"
    & skf18("7","7","1","7","5","3","1") = "6"
    & skf18("7","7","1","7","5","4","1") = "6"
    & skf18("7","7","1","7","5","5","1") = "6"
    & skf18("7","7","1","7","5","6","1") = "6"
    & skf18("7","7","1","7","5","7","1") = "6"
    & skf18("7","7","1","7","5","8","1") = "7"
    & skf18("7","7","1","7","5","9","1") = "8"
    & skf18("7","7","1","7","5","10","1") = "9"
    & skf18("7","7","1","7","6","1","1") = "6"
    & skf18("7","7","1","7","6","2","1") = "6"
    & skf18("7","7","1","7","6","3","1") = "6"
    & skf18("7","7","1","7","6","4","1") = "6"
    & skf18("7","7","1","7","6","5","1") = "6"
    & skf18("7","7","1","7","6","6","1") = "6"
    & skf18("7","7","1","7","6","7","1") = "6"
    & skf18("7","7","1","7","6","8","1") = "7"
    & skf18("7","7","1","7","6","9","1") = "8"
    & skf18("7","7","1","7","6","10","1") = "9"
    & skf18("7","7","1","7","7","1","1") = "6"
    & skf18("7","7","1","7","7","2","1") = "6"
    & skf18("7","7","1","7","7","3","1") = "6"
    & skf18("7","7","1","7","7","4","1") = "6"
    & skf18("7","7","1","7","7","5","1") = "6"
    & skf18("7","7","1","7","7","6","1") = "6"
    & skf18("7","7","1","7","7","7","1") = "6"
    & skf18("7","7","1","7","7","8","1") = "7"
    & skf18("7","7","1","7","7","9","1") = "8"
    & skf18("7","7","1","7","7","10","1") = "9"
    & skf18("7","7","1","7","8","1","1") = "7"
    & skf18("7","7","1","7","8","2","1") = "7"
    & skf18("7","7","1","7","8","3","1") = "7"
    & skf18("7","7","1","7","8","4","1") = "7"
    & skf18("7","7","1","7","8","5","1") = "7"
    & skf18("7","7","1","7","8","6","1") = "7"
    & skf18("7","7","1","7","8","7","1") = "7"
    & skf18("7","7","1","7","8","8","1") = "7"
    & skf18("7","7","1","7","8","9","1") = "8"
    & skf18("7","7","1","7","8","10","1") = "9"
    & skf18("7","7","1","7","9","1","1") = "8"
    & skf18("7","7","1","7","9","2","1") = "8"
    & skf18("7","7","1","7","9","3","1") = "8"
    & skf18("7","7","1","7","9","4","1") = "8"
    & skf18("7","7","1","7","9","5","1") = "8"
    & skf18("7","7","1","7","9","6","1") = "8"
    & skf18("7","7","1","7","9","7","1") = "8"
    & skf18("7","7","1","7","9","8","1") = "8"
    & skf18("7","7","1","7","9","9","1") = "8"
    & skf18("7","7","1","7","9","10","1") = "9"
    & skf18("7","7","1","7","10","1","1") = "9"
    & skf18("7","7","1","7","10","2","1") = "9"
    & skf18("7","7","1","7","10","3","1") = "9"
    & skf18("7","7","1","7","10","4","1") = "9"
    & skf18("7","7","1","7","10","5","1") = "9"
    & skf18("7","7","1","7","10","6","1") = "9"
    & skf18("7","7","1","7","10","7","1") = "9"
    & skf18("7","7","1","7","10","8","1") = "9"
    & skf18("7","7","1","7","10","9","1") = "9"
    & skf18("7","7","1","7","10","10","1") = "9"
    & skf18("7","7","1","8","1","1","1") = "7"
    & skf18("7","7","1","8","1","2","1") = "7"
    & skf18("7","7","1","8","1","3","1") = "7"
    & skf18("7","7","1","8","1","4","1") = "7"
    & skf18("7","7","1","8","1","5","1") = "7"
    & skf18("7","7","1","8","1","6","1") = "7"
    & skf18("7","7","1","8","1","7","1") = "7"
    & skf18("7","7","1","8","1","8","1") = "7"
    & skf18("7","7","1","8","1","9","1") = "8"
    & skf18("7","7","1","8","1","10","1") = "9"
    & skf18("7","7","1","8","2","1","1") = "7"
    & skf18("7","7","1","8","2","2","1") = "7"
    & skf18("7","7","1","8","2","3","1") = "7"
    & skf18("7","7","1","8","2","4","1") = "7"
    & skf18("7","7","1","8","2","5","1") = "7"
    & skf18("7","7","1","8","2","6","1") = "7"
    & skf18("7","7","1","8","2","7","1") = "7"
    & skf18("7","7","1","8","2","8","1") = "7"
    & skf18("7","7","1","8","2","9","1") = "8"
    & skf18("7","7","1","8","2","10","1") = "9"
    & skf18("7","7","1","8","3","1","1") = "7"
    & skf18("7","7","1","8","3","2","1") = "7"
    & skf18("7","7","1","8","3","3","1") = "7"
    & skf18("7","7","1","8","3","4","1") = "7"
    & skf18("7","7","1","8","3","5","1") = "7"
    & skf18("7","7","1","8","3","6","1") = "7"
    & skf18("7","7","1","8","3","7","1") = "7"
    & skf18("7","7","1","8","3","8","1") = "7"
    & skf18("7","7","1","8","3","9","1") = "8"
    & skf18("7","7","1","8","3","10","1") = "9"
    & skf18("7","7","1","8","4","1","1") = "7"
    & skf18("7","7","1","8","4","2","1") = "7"
    & skf18("7","7","1","8","4","3","1") = "7"
    & skf18("7","7","1","8","4","4","1") = "7"
    & skf18("7","7","1","8","4","5","1") = "7"
    & skf18("7","7","1","8","4","6","1") = "7"
    & skf18("7","7","1","8","4","7","1") = "7"
    & skf18("7","7","1","8","4","8","1") = "7"
    & skf18("7","7","1","8","4","9","1") = "8"
    & skf18("7","7","1","8","4","10","1") = "9"
    & skf18("7","7","1","8","5","1","1") = "7"
    & skf18("7","7","1","8","5","2","1") = "7"
    & skf18("7","7","1","8","5","3","1") = "7"
    & skf18("7","7","1","8","5","4","1") = "7"
    & skf18("7","7","1","8","5","5","1") = "7"
    & skf18("7","7","1","8","5","6","1") = "7"
    & skf18("7","7","1","8","5","7","1") = "7"
    & skf18("7","7","1","8","5","8","1") = "7"
    & skf18("7","7","1","8","5","9","1") = "8"
    & skf18("7","7","1","8","5","10","1") = "9"
    & skf18("7","7","1","8","6","1","1") = "7"
    & skf18("7","7","1","8","6","2","1") = "7"
    & skf18("7","7","1","8","6","3","1") = "7"
    & skf18("7","7","1","8","6","4","1") = "7"
    & skf18("7","7","1","8","6","5","1") = "7"
    & skf18("7","7","1","8","6","6","1") = "7"
    & skf18("7","7","1","8","6","7","1") = "7"
    & skf18("7","7","1","8","6","8","1") = "7"
    & skf18("7","7","1","8","6","9","1") = "8"
    & skf18("7","7","1","8","6","10","1") = "9"
    & skf18("7","7","1","8","7","1","1") = "7"
    & skf18("7","7","1","8","7","2","1") = "7"
    & skf18("7","7","1","8","7","3","1") = "7"
    & skf18("7","7","1","8","7","4","1") = "7"
    & skf18("7","7","1","8","7","5","1") = "7"
    & skf18("7","7","1","8","7","6","1") = "7"
    & skf18("7","7","1","8","7","7","1") = "7"
    & skf18("7","7","1","8","7","8","1") = "7"
    & skf18("7","7","1","8","7","9","1") = "8"
    & skf18("7","7","1","8","7","10","1") = "9"
    & skf18("7","7","1","8","8","1","1") = "7"
    & skf18("7","7","1","8","8","2","1") = "7"
    & skf18("7","7","1","8","8","3","1") = "7"
    & skf18("7","7","1","8","8","4","1") = "7"
    & skf18("7","7","1","8","8","5","1") = "7"
    & skf18("7","7","1","8","8","6","1") = "7"
    & skf18("7","7","1","8","8","7","1") = "7"
    & skf18("7","7","1","8","8","8","1") = "7"
    & skf18("7","7","1","8","8","9","1") = "8"
    & skf18("7","7","1","8","8","10","1") = "9"
    & skf18("7","7","1","8","9","1","1") = "8"
    & skf18("7","7","1","8","9","2","1") = "8"
    & skf18("7","7","1","8","9","3","1") = "8"
    & skf18("7","7","1","8","9","4","1") = "8"
    & skf18("7","7","1","8","9","5","1") = "8"
    & skf18("7","7","1","8","9","6","1") = "8"
    & skf18("7","7","1","8","9","7","1") = "8"
    & skf18("7","7","1","8","9","8","1") = "8"
    & skf18("7","7","1","8","9","9","1") = "8"
    & skf18("7","7","1","8","9","10","1") = "9"
    & skf18("7","7","1","8","10","1","1") = "9"
    & skf18("7","7","1","8","10","2","1") = "9"
    & skf18("7","7","1","8","10","3","1") = "9"
    & skf18("7","7","1","8","10","4","1") = "9"
    & skf18("7","7","1","8","10","5","1") = "9"
    & skf18("7","7","1","8","10","6","1") = "9"
    & skf18("7","7","1","8","10","7","1") = "9"
    & skf18("7","7","1","8","10","8","1") = "9"
    & skf18("7","7","1","8","10","9","1") = "9"
    & skf18("7","7","1","8","10","10","1") = "9"
    & skf18("7","7","1","9","1","1","1") = "8"
    & skf18("7","7","1","9","1","2","1") = "8"
    & skf18("7","7","1","9","1","3","1") = "8"
    & skf18("7","7","1","9","1","4","1") = "8"
    & skf18("7","7","1","9","1","5","1") = "8"
    & skf18("7","7","1","9","1","6","1") = "8"
    & skf18("7","7","1","9","1","7","1") = "8"
    & skf18("7","7","1","9","1","8","1") = "8"
    & skf18("7","7","1","9","1","9","1") = "8"
    & skf18("7","7","1","9","1","10","1") = "9"
    & skf18("7","7","1","9","2","1","1") = "8"
    & skf18("7","7","1","9","2","2","1") = "8"
    & skf18("7","7","1","9","2","3","1") = "8"
    & skf18("7","7","1","9","2","4","1") = "8"
    & skf18("7","7","1","9","2","5","1") = "8"
    & skf18("7","7","1","9","2","6","1") = "8"
    & skf18("7","7","1","9","2","7","1") = "8"
    & skf18("7","7","1","9","2","8","1") = "8"
    & skf18("7","7","1","9","2","9","1") = "8"
    & skf18("7","7","1","9","2","10","1") = "9"
    & skf18("7","7","1","9","3","1","1") = "8"
    & skf18("7","7","1","9","3","2","1") = "8"
    & skf18("7","7","1","9","3","3","1") = "8"
    & skf18("7","7","1","9","3","4","1") = "8"
    & skf18("7","7","1","9","3","5","1") = "8"
    & skf18("7","7","1","9","3","6","1") = "8"
    & skf18("7","7","1","9","3","7","1") = "8"
    & skf18("7","7","1","9","3","8","1") = "8"
    & skf18("7","7","1","9","3","9","1") = "8"
    & skf18("7","7","1","9","3","10","1") = "9"
    & skf18("7","7","1","9","4","1","1") = "8"
    & skf18("7","7","1","9","4","2","1") = "8"
    & skf18("7","7","1","9","4","3","1") = "8"
    & skf18("7","7","1","9","4","4","1") = "8"
    & skf18("7","7","1","9","4","5","1") = "8"
    & skf18("7","7","1","9","4","6","1") = "8"
    & skf18("7","7","1","9","4","7","1") = "8"
    & skf18("7","7","1","9","4","8","1") = "8"
    & skf18("7","7","1","9","4","9","1") = "8"
    & skf18("7","7","1","9","4","10","1") = "9"
    & skf18("7","7","1","9","5","1","1") = "8"
    & skf18("7","7","1","9","5","2","1") = "8"
    & skf18("7","7","1","9","5","3","1") = "8"
    & skf18("7","7","1","9","5","4","1") = "8"
    & skf18("7","7","1","9","5","5","1") = "8"
    & skf18("7","7","1","9","5","6","1") = "8"
    & skf18("7","7","1","9","5","7","1") = "8"
    & skf18("7","7","1","9","5","8","1") = "8"
    & skf18("7","7","1","9","5","9","1") = "8"
    & skf18("7","7","1","9","5","10","1") = "9"
    & skf18("7","7","1","9","6","1","1") = "8"
    & skf18("7","7","1","9","6","2","1") = "8"
    & skf18("7","7","1","9","6","3","1") = "8"
    & skf18("7","7","1","9","6","4","1") = "8"
    & skf18("7","7","1","9","6","5","1") = "8"
    & skf18("7","7","1","9","6","6","1") = "8"
    & skf18("7","7","1","9","6","7","1") = "8"
    & skf18("7","7","1","9","6","8","1") = "8"
    & skf18("7","7","1","9","6","9","1") = "8"
    & skf18("7","7","1","9","6","10","1") = "9"
    & skf18("7","7","1","9","7","1","1") = "8"
    & skf18("7","7","1","9","7","2","1") = "8"
    & skf18("7","7","1","9","7","3","1") = "8"
    & skf18("7","7","1","9","7","4","1") = "8"
    & skf18("7","7","1","9","7","5","1") = "8"
    & skf18("7","7","1","9","7","6","1") = "8"
    & skf18("7","7","1","9","7","7","1") = "8"
    & skf18("7","7","1","9","7","8","1") = "8"
    & skf18("7","7","1","9","7","9","1") = "8"
    & skf18("7","7","1","9","7","10","1") = "9"
    & skf18("7","7","1","9","8","1","1") = "8"
    & skf18("7","7","1","9","8","2","1") = "8"
    & skf18("7","7","1","9","8","3","1") = "8"
    & skf18("7","7","1","9","8","4","1") = "8"
    & skf18("7","7","1","9","8","5","1") = "8"
    & skf18("7","7","1","9","8","6","1") = "8"
    & skf18("7","7","1","9","8","7","1") = "8"
    & skf18("7","7","1","9","8","8","1") = "8"
    & skf18("7","7","1","9","8","9","1") = "8"
    & skf18("7","7","1","9","8","10","1") = "9"
    & skf18("7","7","1","9","9","1","1") = "8"
    & skf18("7","7","1","9","9","2","1") = "8"
    & skf18("7","7","1","9","9","3","1") = "8"
    & skf18("7","7","1","9","9","4","1") = "8"
    & skf18("7","7","1","9","9","5","1") = "8"
    & skf18("7","7","1","9","9","6","1") = "8"
    & skf18("7","7","1","9","9","7","1") = "8"
    & skf18("7","7","1","9","9","8","1") = "8"
    & skf18("7","7","1","9","9","9","1") = "8"
    & skf18("7","7","1","9","9","10","1") = "9"
    & skf18("7","7","1","9","10","1","1") = "9"
    & skf18("7","7","1","9","10","2","1") = "9"
    & skf18("7","7","1","9","10","3","1") = "9"
    & skf18("7","7","1","9","10","4","1") = "9"
    & skf18("7","7","1","9","10","5","1") = "9"
    & skf18("7","7","1","9","10","6","1") = "9"
    & skf18("7","7","1","9","10","7","1") = "9"
    & skf18("7","7","1","9","10","8","1") = "9"
    & skf18("7","7","1","9","10","9","1") = "9"
    & skf18("7","7","1","9","10","10","1") = "9"
    & skf18("7","7","1","10","1","1","1") = "9"
    & skf18("7","7","1","10","1","2","1") = "9"
    & skf18("7","7","1","10","1","3","1") = "9"
    & skf18("7","7","1","10","1","4","1") = "9"
    & skf18("7","7","1","10","1","5","1") = "9"
    & skf18("7","7","1","10","1","6","1") = "9"
    & skf18("7","7","1","10","1","7","1") = "9"
    & skf18("7","7","1","10","1","8","1") = "9"
    & skf18("7","7","1","10","1","9","1") = "9"
    & skf18("7","7","1","10","1","10","1") = "9"
    & skf18("7","7","1","10","2","1","1") = "9"
    & skf18("7","7","1","10","2","2","1") = "9"
    & skf18("7","7","1","10","2","3","1") = "9"
    & skf18("7","7","1","10","2","4","1") = "9"
    & skf18("7","7","1","10","2","5","1") = "9"
    & skf18("7","7","1","10","2","6","1") = "9"
    & skf18("7","7","1","10","2","7","1") = "9"
    & skf18("7","7","1","10","2","8","1") = "9"
    & skf18("7","7","1","10","2","9","1") = "9"
    & skf18("7","7","1","10","2","10","1") = "9"
    & skf18("7","7","1","10","3","1","1") = "9"
    & skf18("7","7","1","10","3","2","1") = "9"
    & skf18("7","7","1","10","3","3","1") = "9"
    & skf18("7","7","1","10","3","4","1") = "9"
    & skf18("7","7","1","10","3","5","1") = "9"
    & skf18("7","7","1","10","3","6","1") = "9"
    & skf18("7","7","1","10","3","7","1") = "9"
    & skf18("7","7","1","10","3","8","1") = "9"
    & skf18("7","7","1","10","3","9","1") = "9"
    & skf18("7","7","1","10","3","10","1") = "9"
    & skf18("7","7","1","10","4","1","1") = "9"
    & skf18("7","7","1","10","4","2","1") = "9"
    & skf18("7","7","1","10","4","3","1") = "9"
    & skf18("7","7","1","10","4","4","1") = "9"
    & skf18("7","7","1","10","4","5","1") = "9"
    & skf18("7","7","1","10","4","6","1") = "9"
    & skf18("7","7","1","10","4","7","1") = "9"
    & skf18("7","7","1","10","4","8","1") = "9"
    & skf18("7","7","1","10","4","9","1") = "9"
    & skf18("7","7","1","10","4","10","1") = "9"
    & skf18("7","7","1","10","5","1","1") = "9"
    & skf18("7","7","1","10","5","2","1") = "9"
    & skf18("7","7","1","10","5","3","1") = "9"
    & skf18("7","7","1","10","5","4","1") = "9"
    & skf18("7","7","1","10","5","5","1") = "9"
    & skf18("7","7","1","10","5","6","1") = "9"
    & skf18("7","7","1","10","5","7","1") = "9"
    & skf18("7","7","1","10","5","8","1") = "9"
    & skf18("7","7","1","10","5","9","1") = "9"
    & skf18("7","7","1","10","5","10","1") = "9"
    & skf18("7","7","1","10","6","1","1") = "9"
    & skf18("7","7","1","10","6","2","1") = "9"
    & skf18("7","7","1","10","6","3","1") = "9"
    & skf18("7","7","1","10","6","4","1") = "9"
    & skf18("7","7","1","10","6","5","1") = "9"
    & skf18("7","7","1","10","6","6","1") = "9"
    & skf18("7","7","1","10","6","7","1") = "9"
    & skf18("7","7","1","10","6","8","1") = "9"
    & skf18("7","7","1","10","6","9","1") = "9"
    & skf18("7","7","1","10","6","10","1") = "9"
    & skf18("7","7","1","10","7","1","1") = "9"
    & skf18("7","7","1","10","7","2","1") = "9"
    & skf18("7","7","1","10","7","3","1") = "9"
    & skf18("7","7","1","10","7","4","1") = "9"
    & skf18("7","7","1","10","7","5","1") = "9"
    & skf18("7","7","1","10","7","6","1") = "9"
    & skf18("7","7","1","10","7","7","1") = "9"
    & skf18("7","7","1","10","7","8","1") = "9"
    & skf18("7","7","1","10","7","9","1") = "9"
    & skf18("7","7","1","10","7","10","1") = "9"
    & skf18("7","7","1","10","8","1","1") = "9"
    & skf18("7","7","1","10","8","2","1") = "9"
    & skf18("7","7","1","10","8","3","1") = "9"
    & skf18("7","7","1","10","8","4","1") = "9"
    & skf18("7","7","1","10","8","5","1") = "9"
    & skf18("7","7","1","10","8","6","1") = "9"
    & skf18("7","7","1","10","8","7","1") = "9"
    & skf18("7","7","1","10","8","8","1") = "9"
    & skf18("7","7","1","10","8","9","1") = "9"
    & skf18("7","7","1","10","8","10","1") = "9"
    & skf18("7","7","1","10","9","1","1") = "9"
    & skf18("7","7","1","10","9","2","1") = "9"
    & skf18("7","7","1","10","9","3","1") = "9"
    & skf18("7","7","1","10","9","4","1") = "9"
    & skf18("7","7","1","10","9","5","1") = "9"
    & skf18("7","7","1","10","9","6","1") = "9"
    & skf18("7","7","1","10","9","7","1") = "9"
    & skf18("7","7","1","10","9","8","1") = "9"
    & skf18("7","7","1","10","9","9","1") = "9"
    & skf18("7","7","1","10","9","10","1") = "9"
    & skf18("7","7","1","10","10","1","1") = "9"
    & skf18("7","7","1","10","10","2","1") = "9"
    & skf18("7","7","1","10","10","3","1") = "9"
    & skf18("7","7","1","10","10","4","1") = "9"
    & skf18("7","7","1","10","10","5","1") = "9"
    & skf18("7","7","1","10","10","6","1") = "9"
    & skf18("7","7","1","10","10","7","1") = "9"
    & skf18("7","7","1","10","10","8","1") = "9"
    & skf18("7","7","1","10","10","9","1") = "9"
    & skf18("7","7","1","10","10","10","1") = "9"
    & skf18("7","7","2","1","1","1","1") = "6"
    & skf18("7","7","2","1","1","2","1") = "6"
    & skf18("7","7","2","1","1","3","1") = "6"
    & skf18("7","7","2","1","1","4","1") = "6"
    & skf18("7","7","2","1","1","5","1") = "6"
    & skf18("7","7","2","1","1","6","1") = "6"
    & skf18("7","7","2","1","1","7","1") = "6"
    & skf18("7","7","2","1","1","8","1") = "7"
    & skf18("7","7","2","1","1","9","1") = "8"
    & skf18("7","7","2","1","1","10","1") = "9"
    & skf18("7","7","2","1","2","1","1") = "6"
    & skf18("7","7","2","1","2","2","1") = "6"
    & skf18("7","7","2","1","2","3","1") = "6"
    & skf18("7","7","2","1","2","4","1") = "6"
    & skf18("7","7","2","1","2","5","1") = "6"
    & skf18("7","7","2","1","2","6","1") = "6"
    & skf18("7","7","2","1","2","7","1") = "6"
    & skf18("7","7","2","1","2","8","1") = "7"
    & skf18("7","7","2","1","2","9","1") = "8"
    & skf18("7","7","2","1","2","10","1") = "9"
    & skf18("7","7","2","1","3","1","1") = "6"
    & skf18("7","7","2","1","3","2","1") = "6"
    & skf18("7","7","2","1","3","3","1") = "6"
    & skf18("7","7","2","1","3","4","1") = "6"
    & skf18("7","7","2","1","3","5","1") = "6"
    & skf18("7","7","2","1","3","6","1") = "6"
    & skf18("7","7","2","1","3","7","1") = "6"
    & skf18("7","7","2","1","3","8","1") = "7"
    & skf18("7","7","2","1","3","9","1") = "8"
    & skf18("7","7","2","1","3","10","1") = "9"
    & skf18("7","7","2","1","4","1","1") = "6"
    & skf18("7","7","2","1","4","2","1") = "6"
    & skf18("7","7","2","1","4","3","1") = "6"
    & skf18("7","7","2","1","4","4","1") = "6"
    & skf18("7","7","2","1","4","5","1") = "6"
    & skf18("7","7","2","1","4","6","1") = "6"
    & skf18("7","7","2","1","4","7","1") = "6"
    & skf18("7","7","2","1","4","8","1") = "7"
    & skf18("7","7","2","1","4","9","1") = "8"
    & skf18("7","7","2","1","4","10","1") = "9"
    & skf18("7","7","2","1","5","1","1") = "6"
    & skf18("7","7","2","1","5","2","1") = "6"
    & skf18("7","7","2","1","5","3","1") = "6"
    & skf18("7","7","2","1","5","4","1") = "6"
    & skf18("7","7","2","1","5","5","1") = "6"
    & skf18("7","7","2","1","5","6","1") = "6"
    & skf18("7","7","2","1","5","7","1") = "6"
    & skf18("7","7","2","1","5","8","1") = "7"
    & skf18("7","7","2","1","5","9","1") = "8"
    & skf18("7","7","2","1","5","10","1") = "9"
    & skf18("7","7","2","1","6","1","1") = "6"
    & skf18("7","7","2","1","6","2","1") = "6"
    & skf18("7","7","2","1","6","3","1") = "6"
    & skf18("7","7","2","1","6","4","1") = "6"
    & skf18("7","7","2","1","6","5","1") = "6"
    & skf18("7","7","2","1","6","6","1") = "6"
    & skf18("7","7","2","1","6","7","1") = "6"
    & skf18("7","7","2","1","6","8","1") = "7"
    & skf18("7","7","2","1","6","9","1") = "8"
    & skf18("7","7","2","1","6","10","1") = "9"
    & skf18("7","7","2","1","7","1","1") = "6"
    & skf18("7","7","2","1","7","2","1") = "6"
    & skf18("7","7","2","1","7","3","1") = "6"
    & skf18("7","7","2","1","7","4","1") = "6"
    & skf18("7","7","2","1","7","5","1") = "6"
    & skf18("7","7","2","1","7","6","1") = "6"
    & skf18("7","7","2","1","7","7","1") = "6"
    & skf18("7","7","2","1","7","8","1") = "7"
    & skf18("7","7","2","1","7","9","1") = "8"
    & skf18("7","7","2","1","7","10","1") = "9"
    & skf18("7","7","2","1","8","1","1") = "7"
    & skf18("7","7","2","1","8","2","1") = "7"
    & skf18("7","7","2","1","8","3","1") = "7"
    & skf18("7","7","2","1","8","4","1") = "7"
    & skf18("7","7","2","1","8","5","1") = "7"
    & skf18("7","7","2","1","8","6","1") = "7"
    & skf18("7","7","2","1","8","7","1") = "7"
    & skf18("7","7","2","1","8","8","1") = "7"
    & skf18("7","7","2","1","8","9","1") = "8"
    & skf18("7","7","2","1","8","10","1") = "9"
    & skf18("7","7","2","1","9","1","1") = "8"
    & skf18("7","7","2","1","9","2","1") = "8"
    & skf18("7","7","2","1","9","3","1") = "8"
    & skf18("7","7","2","1","9","4","1") = "8"
    & skf18("7","7","2","1","9","5","1") = "8"
    & skf18("7","7","2","1","9","6","1") = "8"
    & skf18("7","7","2","1","9","7","1") = "8"
    & skf18("7","7","2","1","9","8","1") = "8"
    & skf18("7","7","2","1","9","9","1") = "8"
    & skf18("7","7","2","1","9","10","1") = "9"
    & skf18("7","7","2","1","10","1","1") = "9"
    & skf18("7","7","2","1","10","2","1") = "9"
    & skf18("7","7","2","1","10","3","1") = "9"
    & skf18("7","7","2","1","10","4","1") = "9"
    & skf18("7","7","2","1","10","5","1") = "9"
    & skf18("7","7","2","1","10","6","1") = "9"
    & skf18("7","7","2","1","10","7","1") = "9"
    & skf18("7","7","2","1","10","8","1") = "9"
    & skf18("7","7","2","1","10","9","1") = "9"
    & skf18("7","7","2","1","10","10","1") = "9"
    & skf18("7","7","2","2","1","1","1") = "6"
    & skf18("7","7","2","2","1","2","1") = "6"
    & skf18("7","7","2","2","1","3","1") = "6"
    & skf18("7","7","2","2","1","4","1") = "6"
    & skf18("7","7","2","2","1","5","1") = "6"
    & skf18("7","7","2","2","1","6","1") = "6"
    & skf18("7","7","2","2","1","7","1") = "6"
    & skf18("7","7","2","2","1","8","1") = "7"
    & skf18("7","7","2","2","1","9","1") = "8"
    & skf18("7","7","2","2","1","10","1") = "9"
    & skf18("7","7","2","2","2","1","1") = "6"
    & skf18("7","7","2","2","2","2","1") = "6"
    & skf18("7","7","2","2","2","3","1") = "6"
    & skf18("7","7","2","2","2","4","1") = "6"
    & skf18("7","7","2","2","2","5","1") = "6"
    & skf18("7","7","2","2","2","6","1") = "6"
    & skf18("7","7","2","2","2","7","1") = "6"
    & skf18("7","7","2","2","2","8","1") = "7"
    & skf18("7","7","2","2","2","9","1") = "8"
    & skf18("7","7","2","2","2","10","1") = "9"
    & skf18("7","7","2","2","3","1","1") = "6"
    & skf18("7","7","2","2","3","2","1") = "6"
    & skf18("7","7","2","2","3","3","1") = "6"
    & skf18("7","7","2","2","3","4","1") = "6"
    & skf18("7","7","2","2","3","5","1") = "6"
    & skf18("7","7","2","2","3","6","1") = "6"
    & skf18("7","7","2","2","3","7","1") = "6"
    & skf18("7","7","2","2","3","8","1") = "7"
    & skf18("7","7","2","2","3","9","1") = "8"
    & skf18("7","7","2","2","3","10","1") = "9"
    & skf18("7","7","2","2","4","1","1") = "6"
    & skf18("7","7","2","2","4","2","1") = "6"
    & skf18("7","7","2","2","4","3","1") = "6"
    & skf18("7","7","2","2","4","4","1") = "6"
    & skf18("7","7","2","2","4","5","1") = "6"
    & skf18("7","7","2","2","4","6","1") = "6"
    & skf18("7","7","2","2","4","7","1") = "6"
    & skf18("7","7","2","2","4","8","1") = "7"
    & skf18("7","7","2","2","4","9","1") = "8"
    & skf18("7","7","2","2","4","10","1") = "9"
    & skf18("7","7","2","2","5","1","1") = "6"
    & skf18("7","7","2","2","5","2","1") = "6"
    & skf18("7","7","2","2","5","3","1") = "6"
    & skf18("7","7","2","2","5","4","1") = "6"
    & skf18("7","7","2","2","5","5","1") = "6"
    & skf18("7","7","2","2","5","6","1") = "6"
    & skf18("7","7","2","2","5","7","1") = "6"
    & skf18("7","7","2","2","5","8","1") = "7"
    & skf18("7","7","2","2","5","9","1") = "8"
    & skf18("7","7","2","2","5","10","1") = "9"
    & skf18("7","7","2","2","6","1","1") = "6"
    & skf18("7","7","2","2","6","2","1") = "6"
    & skf18("7","7","2","2","6","3","1") = "6"
    & skf18("7","7","2","2","6","4","1") = "6"
    & skf18("7","7","2","2","6","5","1") = "6"
    & skf18("7","7","2","2","6","6","1") = "6"
    & skf18("7","7","2","2","6","7","1") = "6"
    & skf18("7","7","2","2","6","8","1") = "7"
    & skf18("7","7","2","2","6","9","1") = "8"
    & skf18("7","7","2","2","6","10","1") = "9"
    & skf18("7","7","2","2","7","1","1") = "6"
    & skf18("7","7","2","2","7","2","1") = "6"
    & skf18("7","7","2","2","7","3","1") = "6"
    & skf18("7","7","2","2","7","4","1") = "6"
    & skf18("7","7","2","2","7","5","1") = "6"
    & skf18("7","7","2","2","7","6","1") = "6"
    & skf18("7","7","2","2","7","7","1") = "6"
    & skf18("7","7","2","2","7","8","1") = "7"
    & skf18("7","7","2","2","7","9","1") = "8"
    & skf18("7","7","2","2","7","10","1") = "9"
    & skf18("7","7","2","2","8","1","1") = "7"
    & skf18("7","7","2","2","8","2","1") = "7"
    & skf18("7","7","2","2","8","3","1") = "7"
    & skf18("7","7","2","2","8","4","1") = "7"
    & skf18("7","7","2","2","8","5","1") = "7"
    & skf18("7","7","2","2","8","6","1") = "7"
    & skf18("7","7","2","2","8","7","1") = "7"
    & skf18("7","7","2","2","8","8","1") = "7"
    & skf18("7","7","2","2","8","9","1") = "8"
    & skf18("7","7","2","2","8","10","1") = "9"
    & skf18("7","7","2","2","9","1","1") = "8"
    & skf18("7","7","2","2","9","2","1") = "8"
    & skf18("7","7","2","2","9","3","1") = "8"
    & skf18("7","7","2","2","9","4","1") = "8"
    & skf18("7","7","2","2","9","5","1") = "8"
    & skf18("7","7","2","2","9","6","1") = "8"
    & skf18("7","7","2","2","9","7","1") = "8"
    & skf18("7","7","2","2","9","8","1") = "8"
    & skf18("7","7","2","2","9","9","1") = "8"
    & skf18("7","7","2","2","9","10","1") = "9"
    & skf18("7","7","2","2","10","1","1") = "9"
    & skf18("7","7","2","2","10","2","1") = "9"
    & skf18("7","7","2","2","10","3","1") = "9"
    & skf18("7","7","2","2","10","4","1") = "9"
    & skf18("7","7","2","2","10","5","1") = "9"
    & skf18("7","7","2","2","10","6","1") = "9"
    & skf18("7","7","2","2","10","7","1") = "9"
    & skf18("7","7","2","2","10","8","1") = "9"
    & skf18("7","7","2","2","10","9","1") = "9"
    & skf18("7","7","2","2","10","10","1") = "9"
    & skf18("7","7","2","3","1","1","1") = "6"
    & skf18("7","7","2","3","1","2","1") = "6"
    & skf18("7","7","2","3","1","3","1") = "6"
    & skf18("7","7","2","3","1","4","1") = "6"
    & skf18("7","7","2","3","1","5","1") = "6"
    & skf18("7","7","2","3","1","6","1") = "6"
    & skf18("7","7","2","3","1","7","1") = "6"
    & skf18("7","7","2","3","1","8","1") = "7"
    & skf18("7","7","2","3","1","9","1") = "8"
    & skf18("7","7","2","3","1","10","1") = "9"
    & skf18("7","7","2","3","2","1","1") = "6"
    & skf18("7","7","2","3","2","2","1") = "6"
    & skf18("7","7","2","3","2","3","1") = "6"
    & skf18("7","7","2","3","2","4","1") = "6"
    & skf18("7","7","2","3","2","5","1") = "6"
    & skf18("7","7","2","3","2","6","1") = "6"
    & skf18("7","7","2","3","2","7","1") = "6"
    & skf18("7","7","2","3","2","8","1") = "7"
    & skf18("7","7","2","3","2","9","1") = "8"
    & skf18("7","7","2","3","2","10","1") = "9"
    & skf18("7","7","2","3","3","1","1") = "6"
    & skf18("7","7","2","3","3","2","1") = "6"
    & skf18("7","7","2","3","3","3","1") = "6"
    & skf18("7","7","2","3","3","4","1") = "6"
    & skf18("7","7","2","3","3","5","1") = "6"
    & skf18("7","7","2","3","3","6","1") = "6"
    & skf18("7","7","2","3","3","7","1") = "6"
    & skf18("7","7","2","3","3","8","1") = "7"
    & skf18("7","7","2","3","3","9","1") = "8"
    & skf18("7","7","2","3","3","10","1") = "9"
    & skf18("7","7","2","3","4","1","1") = "6"
    & skf18("7","7","2","3","4","2","1") = "6"
    & skf18("7","7","2","3","4","3","1") = "6"
    & skf18("7","7","2","3","4","4","1") = "6"
    & skf18("7","7","2","3","4","5","1") = "6"
    & skf18("7","7","2","3","4","6","1") = "6"
    & skf18("7","7","2","3","4","7","1") = "6"
    & skf18("7","7","2","3","4","8","1") = "7"
    & skf18("7","7","2","3","4","9","1") = "8"
    & skf18("7","7","2","3","4","10","1") = "9"
    & skf18("7","7","2","3","5","1","1") = "6"
    & skf18("7","7","2","3","5","2","1") = "6"
    & skf18("7","7","2","3","5","3","1") = "6"
    & skf18("7","7","2","3","5","4","1") = "6"
    & skf18("7","7","2","3","5","5","1") = "6"
    & skf18("7","7","2","3","5","6","1") = "6"
    & skf18("7","7","2","3","5","7","1") = "6"
    & skf18("7","7","2","3","5","8","1") = "7"
    & skf18("7","7","2","3","5","9","1") = "8"
    & skf18("7","7","2","3","5","10","1") = "9"
    & skf18("7","7","2","3","6","1","1") = "6"
    & skf18("7","7","2","3","6","2","1") = "6"
    & skf18("7","7","2","3","6","3","1") = "6"
    & skf18("7","7","2","3","6","4","1") = "6"
    & skf18("7","7","2","3","6","5","1") = "6"
    & skf18("7","7","2","3","6","6","1") = "6"
    & skf18("7","7","2","3","6","7","1") = "6"
    & skf18("7","7","2","3","6","8","1") = "7"
    & skf18("7","7","2","3","6","9","1") = "8"
    & skf18("7","7","2","3","6","10","1") = "9"
    & skf18("7","7","2","3","7","1","1") = "6"
    & skf18("7","7","2","3","7","2","1") = "6"
    & skf18("7","7","2","3","7","3","1") = "6"
    & skf18("7","7","2","3","7","4","1") = "6"
    & skf18("7","7","2","3","7","5","1") = "6"
    & skf18("7","7","2","3","7","6","1") = "6"
    & skf18("7","7","2","3","7","7","1") = "6"
    & skf18("7","7","2","3","7","8","1") = "7"
    & skf18("7","7","2","3","7","9","1") = "8"
    & skf18("7","7","2","3","7","10","1") = "9"
    & skf18("7","7","2","3","8","1","1") = "7"
    & skf18("7","7","2","3","8","2","1") = "7"
    & skf18("7","7","2","3","8","3","1") = "7"
    & skf18("7","7","2","3","8","4","1") = "7"
    & skf18("7","7","2","3","8","5","1") = "7"
    & skf18("7","7","2","3","8","6","1") = "7"
    & skf18("7","7","2","3","8","7","1") = "7"
    & skf18("7","7","2","3","8","8","1") = "7"
    & skf18("7","7","2","3","8","9","1") = "8"
    & skf18("7","7","2","3","8","10","1") = "9"
    & skf18("7","7","2","3","9","1","1") = "8"
    & skf18("7","7","2","3","9","2","1") = "8"
    & skf18("7","7","2","3","9","3","1") = "8"
    & skf18("7","7","2","3","9","4","1") = "8"
    & skf18("7","7","2","3","9","5","1") = "8"
    & skf18("7","7","2","3","9","6","1") = "8"
    & skf18("7","7","2","3","9","7","1") = "8"
    & skf18("7","7","2","3","9","8","1") = "8"
    & skf18("7","7","2","3","9","9","1") = "8"
    & skf18("7","7","2","3","9","10","1") = "9"
    & skf18("7","7","2","3","10","1","1") = "9"
    & skf18("7","7","2","3","10","2","1") = "9"
    & skf18("7","7","2","3","10","3","1") = "9"
    & skf18("7","7","2","3","10","4","1") = "9"
    & skf18("7","7","2","3","10","5","1") = "9"
    & skf18("7","7","2","3","10","6","1") = "9"
    & skf18("7","7","2","3","10","7","1") = "9"
    & skf18("7","7","2","3","10","8","1") = "9"
    & skf18("7","7","2","3","10","9","1") = "9"
    & skf18("7","7","2","3","10","10","1") = "9"
    & skf18("7","7","2","4","1","1","1") = "6"
    & skf18("7","7","2","4","1","2","1") = "6"
    & skf18("7","7","2","4","1","3","1") = "6"
    & skf18("7","7","2","4","1","4","1") = "6"
    & skf18("7","7","2","4","1","5","1") = "6"
    & skf18("7","7","2","4","1","6","1") = "6"
    & skf18("7","7","2","4","1","7","1") = "6"
    & skf18("7","7","2","4","1","8","1") = "7"
    & skf18("7","7","2","4","1","9","1") = "8"
    & skf18("7","7","2","4","1","10","1") = "9"
    & skf18("7","7","2","4","2","1","1") = "6"
    & skf18("7","7","2","4","2","2","1") = "6"
    & skf18("7","7","2","4","2","3","1") = "6"
    & skf18("7","7","2","4","2","4","1") = "6"
    & skf18("7","7","2","4","2","5","1") = "6"
    & skf18("7","7","2","4","2","6","1") = "6"
    & skf18("7","7","2","4","2","7","1") = "6"
    & skf18("7","7","2","4","2","8","1") = "7"
    & skf18("7","7","2","4","2","9","1") = "8"
    & skf18("7","7","2","4","2","10","1") = "9"
    & skf18("7","7","2","4","3","1","1") = "6"
    & skf18("7","7","2","4","3","2","1") = "6"
    & skf18("7","7","2","4","3","3","1") = "6"
    & skf18("7","7","2","4","3","4","1") = "6"
    & skf18("7","7","2","4","3","5","1") = "6"
    & skf18("7","7","2","4","3","6","1") = "6"
    & skf18("7","7","2","4","3","7","1") = "6"
    & skf18("7","7","2","4","3","8","1") = "7"
    & skf18("7","7","2","4","3","9","1") = "8"
    & skf18("7","7","2","4","3","10","1") = "9"
    & skf18("7","7","2","4","4","1","1") = "6"
    & skf18("7","7","2","4","4","2","1") = "6"
    & skf18("7","7","2","4","4","3","1") = "6"
    & skf18("7","7","2","4","4","4","1") = "6"
    & skf18("7","7","2","4","4","5","1") = "6"
    & skf18("7","7","2","4","4","6","1") = "6"
    & skf18("7","7","2","4","4","7","1") = "6"
    & skf18("7","7","2","4","4","8","1") = "7"
    & skf18("7","7","2","4","4","9","1") = "8"
    & skf18("7","7","2","4","4","10","1") = "9"
    & skf18("7","7","2","4","5","1","1") = "6"
    & skf18("7","7","2","4","5","2","1") = "6"
    & skf18("7","7","2","4","5","3","1") = "6"
    & skf18("7","7","2","4","5","4","1") = "6"
    & skf18("7","7","2","4","5","5","1") = "6"
    & skf18("7","7","2","4","5","6","1") = "6"
    & skf18("7","7","2","4","5","7","1") = "6"
    & skf18("7","7","2","4","5","8","1") = "7"
    & skf18("7","7","2","4","5","9","1") = "8"
    & skf18("7","7","2","4","5","10","1") = "9"
    & skf18("7","7","2","4","6","1","1") = "6"
    & skf18("7","7","2","4","6","2","1") = "6"
    & skf18("7","7","2","4","6","3","1") = "6"
    & skf18("7","7","2","4","6","4","1") = "6"
    & skf18("7","7","2","4","6","5","1") = "6"
    & skf18("7","7","2","4","6","6","1") = "6"
    & skf18("7","7","2","4","6","7","1") = "6"
    & skf18("7","7","2","4","6","8","1") = "7"
    & skf18("7","7","2","4","6","9","1") = "8"
    & skf18("7","7","2","4","6","10","1") = "9"
    & skf18("7","7","2","4","7","1","1") = "6"
    & skf18("7","7","2","4","7","2","1") = "6"
    & skf18("7","7","2","4","7","3","1") = "6"
    & skf18("7","7","2","4","7","4","1") = "6"
    & skf18("7","7","2","4","7","5","1") = "6"
    & skf18("7","7","2","4","7","6","1") = "6"
    & skf18("7","7","2","4","7","7","1") = "6"
    & skf18("7","7","2","4","7","8","1") = "7"
    & skf18("7","7","2","4","7","9","1") = "8"
    & skf18("7","7","2","4","7","10","1") = "9"
    & skf18("7","7","2","4","8","1","1") = "7"
    & skf18("7","7","2","4","8","2","1") = "7"
    & skf18("7","7","2","4","8","3","1") = "7"
    & skf18("7","7","2","4","8","4","1") = "7"
    & skf18("7","7","2","4","8","5","1") = "7"
    & skf18("7","7","2","4","8","6","1") = "7"
    & skf18("7","7","2","4","8","7","1") = "7"
    & skf18("7","7","2","4","8","8","1") = "7"
    & skf18("7","7","2","4","8","9","1") = "8"
    & skf18("7","7","2","4","8","10","1") = "9"
    & skf18("7","7","2","4","9","1","1") = "8"
    & skf18("7","7","2","4","9","2","1") = "8"
    & skf18("7","7","2","4","9","3","1") = "8"
    & skf18("7","7","2","4","9","4","1") = "8"
    & skf18("7","7","2","4","9","5","1") = "8"
    & skf18("7","7","2","4","9","6","1") = "8"
    & skf18("7","7","2","4","9","7","1") = "8"
    & skf18("7","7","2","4","9","8","1") = "8"
    & skf18("7","7","2","4","9","9","1") = "8"
    & skf18("7","7","2","4","9","10","1") = "9"
    & skf18("7","7","2","4","10","1","1") = "9"
    & skf18("7","7","2","4","10","2","1") = "9"
    & skf18("7","7","2","4","10","3","1") = "9"
    & skf18("7","7","2","4","10","4","1") = "9"
    & skf18("7","7","2","4","10","5","1") = "9"
    & skf18("7","7","2","4","10","6","1") = "9"
    & skf18("7","7","2","4","10","7","1") = "9"
    & skf18("7","7","2","4","10","8","1") = "9"
    & skf18("7","7","2","4","10","9","1") = "9"
    & skf18("7","7","2","4","10","10","1") = "9"
    & skf18("7","7","2","5","1","1","1") = "6"
    & skf18("7","7","2","5","1","2","1") = "6"
    & skf18("7","7","2","5","1","3","1") = "6"
    & skf18("7","7","2","5","1","4","1") = "6"
    & skf18("7","7","2","5","1","5","1") = "6"
    & skf18("7","7","2","5","1","6","1") = "6"
    & skf18("7","7","2","5","1","7","1") = "6"
    & skf18("7","7","2","5","1","8","1") = "7"
    & skf18("7","7","2","5","1","9","1") = "8"
    & skf18("7","7","2","5","1","10","1") = "9"
    & skf18("7","7","2","5","2","1","1") = "6"
    & skf18("7","7","2","5","2","2","1") = "6"
    & skf18("7","7","2","5","2","3","1") = "6"
    & skf18("7","7","2","5","2","4","1") = "6"
    & skf18("7","7","2","5","2","5","1") = "6"
    & skf18("7","7","2","5","2","6","1") = "6"
    & skf18("7","7","2","5","2","7","1") = "6"
    & skf18("7","7","2","5","2","8","1") = "7"
    & skf18("7","7","2","5","2","9","1") = "8"
    & skf18("7","7","2","5","2","10","1") = "9"
    & skf18("7","7","2","5","3","1","1") = "6"
    & skf18("7","7","2","5","3","2","1") = "6"
    & skf18("7","7","2","5","3","3","1") = "6"
    & skf18("7","7","2","5","3","4","1") = "6"
    & skf18("7","7","2","5","3","5","1") = "6"
    & skf18("7","7","2","5","3","6","1") = "6"
    & skf18("7","7","2","5","3","7","1") = "6"
    & skf18("7","7","2","5","3","8","1") = "7"
    & skf18("7","7","2","5","3","9","1") = "8"
    & skf18("7","7","2","5","3","10","1") = "9"
    & skf18("7","7","2","5","4","1","1") = "6"
    & skf18("7","7","2","5","4","2","1") = "6"
    & skf18("7","7","2","5","4","3","1") = "6"
    & skf18("7","7","2","5","4","4","1") = "6"
    & skf18("7","7","2","5","4","5","1") = "6"
    & skf18("7","7","2","5","4","6","1") = "6"
    & skf18("7","7","2","5","4","7","1") = "6"
    & skf18("7","7","2","5","4","8","1") = "7"
    & skf18("7","7","2","5","4","9","1") = "8"
    & skf18("7","7","2","5","4","10","1") = "9"
    & skf18("7","7","2","5","5","1","1") = "6"
    & skf18("7","7","2","5","5","2","1") = "6"
    & skf18("7","7","2","5","5","3","1") = "6"
    & skf18("7","7","2","5","5","4","1") = "6"
    & skf18("7","7","2","5","5","5","1") = "6"
    & skf18("7","7","2","5","5","6","1") = "6"
    & skf18("7","7","2","5","5","7","1") = "6"
    & skf18("7","7","2","5","5","8","1") = "7"
    & skf18("7","7","2","5","5","9","1") = "8"
    & skf18("7","7","2","5","5","10","1") = "9"
    & skf18("7","7","2","5","6","1","1") = "6"
    & skf18("7","7","2","5","6","2","1") = "6"
    & skf18("7","7","2","5","6","3","1") = "6"
    & skf18("7","7","2","5","6","4","1") = "6"
    & skf18("7","7","2","5","6","5","1") = "6"
    & skf18("7","7","2","5","6","6","1") = "6"
    & skf18("7","7","2","5","6","7","1") = "6"
    & skf18("7","7","2","5","6","8","1") = "7"
    & skf18("7","7","2","5","6","9","1") = "8"
    & skf18("7","7","2","5","6","10","1") = "9"
    & skf18("7","7","2","5","7","1","1") = "6"
    & skf18("7","7","2","5","7","2","1") = "6"
    & skf18("7","7","2","5","7","3","1") = "6"
    & skf18("7","7","2","5","7","4","1") = "6"
    & skf18("7","7","2","5","7","5","1") = "6"
    & skf18("7","7","2","5","7","6","1") = "6"
    & skf18("7","7","2","5","7","7","1") = "6"
    & skf18("7","7","2","5","7","8","1") = "7"
    & skf18("7","7","2","5","7","9","1") = "8"
    & skf18("7","7","2","5","7","10","1") = "9"
    & skf18("7","7","2","5","8","1","1") = "7"
    & skf18("7","7","2","5","8","2","1") = "7"
    & skf18("7","7","2","5","8","3","1") = "7"
    & skf18("7","7","2","5","8","4","1") = "7"
    & skf18("7","7","2","5","8","5","1") = "7"
    & skf18("7","7","2","5","8","6","1") = "7"
    & skf18("7","7","2","5","8","7","1") = "7"
    & skf18("7","7","2","5","8","8","1") = "7"
    & skf18("7","7","2","5","8","9","1") = "8"
    & skf18("7","7","2","5","8","10","1") = "9"
    & skf18("7","7","2","5","9","1","1") = "8"
    & skf18("7","7","2","5","9","2","1") = "8"
    & skf18("7","7","2","5","9","3","1") = "8"
    & skf18("7","7","2","5","9","4","1") = "8"
    & skf18("7","7","2","5","9","5","1") = "8"
    & skf18("7","7","2","5","9","6","1") = "8"
    & skf18("7","7","2","5","9","7","1") = "8"
    & skf18("7","7","2","5","9","8","1") = "8"
    & skf18("7","7","2","5","9","9","1") = "8"
    & skf18("7","7","2","5","9","10","1") = "9"
    & skf18("7","7","2","5","10","1","1") = "9"
    & skf18("7","7","2","5","10","2","1") = "9"
    & skf18("7","7","2","5","10","3","1") = "9"
    & skf18("7","7","2","5","10","4","1") = "9"
    & skf18("7","7","2","5","10","5","1") = "9"
    & skf18("7","7","2","5","10","6","1") = "9"
    & skf18("7","7","2","5","10","7","1") = "9"
    & skf18("7","7","2","5","10","8","1") = "9"
    & skf18("7","7","2","5","10","9","1") = "9"
    & skf18("7","7","2","5","10","10","1") = "9"
    & skf18("7","7","2","6","1","1","1") = "6"
    & skf18("7","7","2","6","1","2","1") = "6"
    & skf18("7","7","2","6","1","3","1") = "6"
    & skf18("7","7","2","6","1","4","1") = "6"
    & skf18("7","7","2","6","1","5","1") = "6"
    & skf18("7","7","2","6","1","6","1") = "6"
    & skf18("7","7","2","6","1","7","1") = "6"
    & skf18("7","7","2","6","1","8","1") = "7"
    & skf18("7","7","2","6","1","9","1") = "8"
    & skf18("7","7","2","6","1","10","1") = "9"
    & skf18("7","7","2","6","2","1","1") = "6"
    & skf18("7","7","2","6","2","2","1") = "6"
    & skf18("7","7","2","6","2","3","1") = "6"
    & skf18("7","7","2","6","2","4","1") = "6"
    & skf18("7","7","2","6","2","5","1") = "6"
    & skf18("7","7","2","6","2","6","1") = "6"
    & skf18("7","7","2","6","2","7","1") = "6"
    & skf18("7","7","2","6","2","8","1") = "7"
    & skf18("7","7","2","6","2","9","1") = "8"
    & skf18("7","7","2","6","2","10","1") = "9"
    & skf18("7","7","2","6","3","1","1") = "6"
    & skf18("7","7","2","6","3","2","1") = "6"
    & skf18("7","7","2","6","3","3","1") = "6"
    & skf18("7","7","2","6","3","4","1") = "6"
    & skf18("7","7","2","6","3","5","1") = "6"
    & skf18("7","7","2","6","3","6","1") = "6"
    & skf18("7","7","2","6","3","7","1") = "6"
    & skf18("7","7","2","6","3","8","1") = "7"
    & skf18("7","7","2","6","3","9","1") = "8"
    & skf18("7","7","2","6","3","10","1") = "9"
    & skf18("7","7","2","6","4","1","1") = "6"
    & skf18("7","7","2","6","4","2","1") = "6"
    & skf18("7","7","2","6","4","3","1") = "6"
    & skf18("7","7","2","6","4","4","1") = "6"
    & skf18("7","7","2","6","4","5","1") = "6"
    & skf18("7","7","2","6","4","6","1") = "6"
    & skf18("7","7","2","6","4","7","1") = "6"
    & skf18("7","7","2","6","4","8","1") = "7"
    & skf18("7","7","2","6","4","9","1") = "8"
    & skf18("7","7","2","6","4","10","1") = "9"
    & skf18("7","7","2","6","5","1","1") = "6"
    & skf18("7","7","2","6","5","2","1") = "6"
    & skf18("7","7","2","6","5","3","1") = "6"
    & skf18("7","7","2","6","5","4","1") = "6"
    & skf18("7","7","2","6","5","5","1") = "6"
    & skf18("7","7","2","6","5","6","1") = "6"
    & skf18("7","7","2","6","5","7","1") = "6"
    & skf18("7","7","2","6","5","8","1") = "7"
    & skf18("7","7","2","6","5","9","1") = "8"
    & skf18("7","7","2","6","5","10","1") = "9"
    & skf18("7","7","2","6","6","1","1") = "6"
    & skf18("7","7","2","6","6","2","1") = "6"
    & skf18("7","7","2","6","6","3","1") = "6"
    & skf18("7","7","2","6","6","4","1") = "6"
    & skf18("7","7","2","6","6","5","1") = "6"
    & skf18("7","7","2","6","6","6","1") = "6"
    & skf18("7","7","2","6","6","7","1") = "6"
    & skf18("7","7","2","6","6","8","1") = "7"
    & skf18("7","7","2","6","6","9","1") = "8"
    & skf18("7","7","2","6","6","10","1") = "9"
    & skf18("7","7","2","6","7","1","1") = "6"
    & skf18("7","7","2","6","7","2","1") = "6"
    & skf18("7","7","2","6","7","3","1") = "6"
    & skf18("7","7","2","6","7","4","1") = "6"
    & skf18("7","7","2","6","7","5","1") = "6"
    & skf18("7","7","2","6","7","6","1") = "6"
    & skf18("7","7","2","6","7","7","1") = "6"
    & skf18("7","7","2","6","7","8","1") = "7"
    & skf18("7","7","2","6","7","9","1") = "8"
    & skf18("7","7","2","6","7","10","1") = "9"
    & skf18("7","7","2","6","8","1","1") = "7"
    & skf18("7","7","2","6","8","2","1") = "7"
    & skf18("7","7","2","6","8","3","1") = "7"
    & skf18("7","7","2","6","8","4","1") = "7"
    & skf18("7","7","2","6","8","5","1") = "7"
    & skf18("7","7","2","6","8","6","1") = "7"
    & skf18("7","7","2","6","8","7","1") = "7"
    & skf18("7","7","2","6","8","8","1") = "7"
    & skf18("7","7","2","6","8","9","1") = "8"
    & skf18("7","7","2","6","8","10","1") = "9"
    & skf18("7","7","2","6","9","1","1") = "8"
    & skf18("7","7","2","6","9","2","1") = "8"
    & skf18("7","7","2","6","9","3","1") = "8"
    & skf18("7","7","2","6","9","4","1") = "8"
    & skf18("7","7","2","6","9","5","1") = "8"
    & skf18("7","7","2","6","9","6","1") = "8"
    & skf18("7","7","2","6","9","7","1") = "8"
    & skf18("7","7","2","6","9","8","1") = "8"
    & skf18("7","7","2","6","9","9","1") = "8"
    & skf18("7","7","2","6","9","10","1") = "9"
    & skf18("7","7","2","6","10","1","1") = "9"
    & skf18("7","7","2","6","10","2","1") = "9"
    & skf18("7","7","2","6","10","3","1") = "9"
    & skf18("7","7","2","6","10","4","1") = "9"
    & skf18("7","7","2","6","10","5","1") = "9"
    & skf18("7","7","2","6","10","6","1") = "9"
    & skf18("7","7","2","6","10","7","1") = "9"
    & skf18("7","7","2","6","10","8","1") = "9"
    & skf18("7","7","2","6","10","9","1") = "9"
    & skf18("7","7","2","6","10","10","1") = "9"
    & skf18("7","7","2","7","1","1","1") = "6"
    & skf18("7","7","2","7","1","2","1") = "6"
    & skf18("7","7","2","7","1","3","1") = "6"
    & skf18("7","7","2","7","1","4","1") = "6"
    & skf18("7","7","2","7","1","5","1") = "6"
    & skf18("7","7","2","7","1","6","1") = "6"
    & skf18("7","7","2","7","1","7","1") = "6"
    & skf18("7","7","2","7","1","8","1") = "7"
    & skf18("7","7","2","7","1","9","1") = "8"
    & skf18("7","7","2","7","1","10","1") = "9"
    & skf18("7","7","2","7","2","1","1") = "6"
    & skf18("7","7","2","7","2","2","1") = "6"
    & skf18("7","7","2","7","2","3","1") = "6"
    & skf18("7","7","2","7","2","4","1") = "6"
    & skf18("7","7","2","7","2","5","1") = "6"
    & skf18("7","7","2","7","2","6","1") = "6"
    & skf18("7","7","2","7","2","7","1") = "6"
    & skf18("7","7","2","7","2","8","1") = "7"
    & skf18("7","7","2","7","2","9","1") = "8"
    & skf18("7","7","2","7","2","10","1") = "9"
    & skf18("7","7","2","7","3","1","1") = "6"
    & skf18("7","7","2","7","3","2","1") = "6"
    & skf18("7","7","2","7","3","3","1") = "6"
    & skf18("7","7","2","7","3","4","1") = "6"
    & skf18("7","7","2","7","3","5","1") = "6"
    & skf18("7","7","2","7","3","6","1") = "6"
    & skf18("7","7","2","7","3","7","1") = "6"
    & skf18("7","7","2","7","3","8","1") = "7"
    & skf18("7","7","2","7","3","9","1") = "8"
    & skf18("7","7","2","7","3","10","1") = "9"
    & skf18("7","7","2","7","4","1","1") = "6"
    & skf18("7","7","2","7","4","2","1") = "6"
    & skf18("7","7","2","7","4","3","1") = "6"
    & skf18("7","7","2","7","4","4","1") = "6"
    & skf18("7","7","2","7","4","5","1") = "6"
    & skf18("7","7","2","7","4","6","1") = "6"
    & skf18("7","7","2","7","4","7","1") = "6"
    & skf18("7","7","2","7","4","8","1") = "7"
    & skf18("7","7","2","7","4","9","1") = "8"
    & skf18("7","7","2","7","4","10","1") = "9"
    & skf18("7","7","2","7","5","1","1") = "6"
    & skf18("7","7","2","7","5","2","1") = "6"
    & skf18("7","7","2","7","5","3","1") = "6"
    & skf18("7","7","2","7","5","4","1") = "6"
    & skf18("7","7","2","7","5","5","1") = "6"
    & skf18("7","7","2","7","5","6","1") = "6"
    & skf18("7","7","2","7","5","7","1") = "6"
    & skf18("7","7","2","7","5","8","1") = "7"
    & skf18("7","7","2","7","5","9","1") = "8"
    & skf18("7","7","2","7","5","10","1") = "9"
    & skf18("7","7","2","7","6","1","1") = "6"
    & skf18("7","7","2","7","6","2","1") = "6"
    & skf18("7","7","2","7","6","3","1") = "6"
    & skf18("7","7","2","7","6","4","1") = "6"
    & skf18("7","7","2","7","6","5","1") = "6"
    & skf18("7","7","2","7","6","6","1") = "6"
    & skf18("7","7","2","7","6","7","1") = "6"
    & skf18("7","7","2","7","6","8","1") = "7"
    & skf18("7","7","2","7","6","9","1") = "8"
    & skf18("7","7","2","7","6","10","1") = "9"
    & skf18("7","7","2","7","7","1","1") = "6"
    & skf18("7","7","2","7","7","2","1") = "6"
    & skf18("7","7","2","7","7","3","1") = "6"
    & skf18("7","7","2","7","7","4","1") = "6"
    & skf18("7","7","2","7","7","5","1") = "6"
    & skf18("7","7","2","7","7","6","1") = "6"
    & skf18("7","7","2","7","7","7","1") = "6"
    & skf18("7","7","2","7","7","8","1") = "7"
    & skf18("7","7","2","7","7","9","1") = "8"
    & skf18("7","7","2","7","7","10","1") = "9"
    & skf18("7","7","2","7","8","1","1") = "7"
    & skf18("7","7","2","7","8","2","1") = "7"
    & skf18("7","7","2","7","8","3","1") = "7"
    & skf18("7","7","2","7","8","4","1") = "7"
    & skf18("7","7","2","7","8","5","1") = "7"
    & skf18("7","7","2","7","8","6","1") = "7"
    & skf18("7","7","2","7","8","7","1") = "7"
    & skf18("7","7","2","7","8","8","1") = "7"
    & skf18("7","7","2","7","8","9","1") = "8"
    & skf18("7","7","2","7","8","10","1") = "9"
    & skf18("7","7","2","7","9","1","1") = "8"
    & skf18("7","7","2","7","9","2","1") = "8"
    & skf18("7","7","2","7","9","3","1") = "8"
    & skf18("7","7","2","7","9","4","1") = "8"
    & skf18("7","7","2","7","9","5","1") = "8"
    & skf18("7","7","2","7","9","6","1") = "8"
    & skf18("7","7","2","7","9","7","1") = "8"
    & skf18("7","7","2","7","9","8","1") = "8"
    & skf18("7","7","2","7","9","9","1") = "8"
    & skf18("7","7","2","7","9","10","1") = "9"
    & skf18("7","7","2","7","10","1","1") = "9"
    & skf18("7","7","2","7","10","2","1") = "9"
    & skf18("7","7","2","7","10","3","1") = "9"
    & skf18("7","7","2","7","10","4","1") = "9"
    & skf18("7","7","2","7","10","5","1") = "9"
    & skf18("7","7","2","7","10","6","1") = "9"
    & skf18("7","7","2","7","10","7","1") = "9"
    & skf18("7","7","2","7","10","8","1") = "9"
    & skf18("7","7","2","7","10","9","1") = "9"
    & skf18("7","7","2","7","10","10","1") = "9"
    & skf18("7","7","2","8","1","1","1") = "7"
    & skf18("7","7","2","8","1","2","1") = "7"
    & skf18("7","7","2","8","1","3","1") = "7"
    & skf18("7","7","2","8","1","4","1") = "7"
    & skf18("7","7","2","8","1","5","1") = "7"
    & skf18("7","7","2","8","1","6","1") = "7"
    & skf18("7","7","2","8","1","7","1") = "7"
    & skf18("7","7","2","8","1","8","1") = "7"
    & skf18("7","7","2","8","1","9","1") = "8"
    & skf18("7","7","2","8","1","10","1") = "9"
    & skf18("7","7","2","8","2","1","1") = "7"
    & skf18("7","7","2","8","2","2","1") = "7"
    & skf18("7","7","2","8","2","3","1") = "7"
    & skf18("7","7","2","8","2","4","1") = "7"
    & skf18("7","7","2","8","2","5","1") = "7"
    & skf18("7","7","2","8","2","6","1") = "7"
    & skf18("7","7","2","8","2","7","1") = "7"
    & skf18("7","7","2","8","2","8","1") = "7"
    & skf18("7","7","2","8","2","9","1") = "8"
    & skf18("7","7","2","8","2","10","1") = "9"
    & skf18("7","7","2","8","3","1","1") = "7"
    & skf18("7","7","2","8","3","2","1") = "7"
    & skf18("7","7","2","8","3","3","1") = "7"
    & skf18("7","7","2","8","3","4","1") = "7"
    & skf18("7","7","2","8","3","5","1") = "7"
    & skf18("7","7","2","8","3","6","1") = "7"
    & skf18("7","7","2","8","3","7","1") = "7"
    & skf18("7","7","2","8","3","8","1") = "7"
    & skf18("7","7","2","8","3","9","1") = "8"
    & skf18("7","7","2","8","3","10","1") = "9"
    & skf18("7","7","2","8","4","1","1") = "7"
    & skf18("7","7","2","8","4","2","1") = "7"
    & skf18("7","7","2","8","4","3","1") = "7"
    & skf18("7","7","2","8","4","4","1") = "7"
    & skf18("7","7","2","8","4","5","1") = "7"
    & skf18("7","7","2","8","4","6","1") = "7"
    & skf18("7","7","2","8","4","7","1") = "7"
    & skf18("7","7","2","8","4","8","1") = "7"
    & skf18("7","7","2","8","4","9","1") = "8"
    & skf18("7","7","2","8","4","10","1") = "9"
    & skf18("7","7","2","8","5","1","1") = "7"
    & skf18("7","7","2","8","5","2","1") = "7"
    & skf18("7","7","2","8","5","3","1") = "7"
    & skf18("7","7","2","8","5","4","1") = "7"
    & skf18("7","7","2","8","5","5","1") = "7"
    & skf18("7","7","2","8","5","6","1") = "7"
    & skf18("7","7","2","8","5","7","1") = "7"
    & skf18("7","7","2","8","5","8","1") = "7"
    & skf18("7","7","2","8","5","9","1") = "8"
    & skf18("7","7","2","8","5","10","1") = "9"
    & skf18("7","7","2","8","6","1","1") = "7"
    & skf18("7","7","2","8","6","2","1") = "7"
    & skf18("7","7","2","8","6","3","1") = "7"
    & skf18("7","7","2","8","6","4","1") = "7"
    & skf18("7","7","2","8","6","5","1") = "7"
    & skf18("7","7","2","8","6","6","1") = "7"
    & skf18("7","7","2","8","6","7","1") = "7"
    & skf18("7","7","2","8","6","8","1") = "7"
    & skf18("7","7","2","8","6","9","1") = "8"
    & skf18("7","7","2","8","6","10","1") = "9"
    & skf18("7","7","2","8","7","1","1") = "7"
    & skf18("7","7","2","8","7","2","1") = "7"
    & skf18("7","7","2","8","7","3","1") = "7"
    & skf18("7","7","2","8","7","4","1") = "7"
    & skf18("7","7","2","8","7","5","1") = "7"
    & skf18("7","7","2","8","7","6","1") = "7"
    & skf18("7","7","2","8","7","7","1") = "7"
    & skf18("7","7","2","8","7","8","1") = "7"
    & skf18("7","7","2","8","7","9","1") = "8"
    & skf18("7","7","2","8","7","10","1") = "9"
    & skf18("7","7","2","8","8","1","1") = "7"
    & skf18("7","7","2","8","8","2","1") = "7"
    & skf18("7","7","2","8","8","3","1") = "7"
    & skf18("7","7","2","8","8","4","1") = "7"
    & skf18("7","7","2","8","8","5","1") = "7"
    & skf18("7","7","2","8","8","6","1") = "7"
    & skf18("7","7","2","8","8","7","1") = "7"
    & skf18("7","7","2","8","8","8","1") = "7"
    & skf18("7","7","2","8","8","9","1") = "8"
    & skf18("7","7","2","8","8","10","1") = "9"
    & skf18("7","7","2","8","9","1","1") = "8"
    & skf18("7","7","2","8","9","2","1") = "8"
    & skf18("7","7","2","8","9","3","1") = "8"
    & skf18("7","7","2","8","9","4","1") = "8"
    & skf18("7","7","2","8","9","5","1") = "8"
    & skf18("7","7","2","8","9","6","1") = "8"
    & skf18("7","7","2","8","9","7","1") = "8"
    & skf18("7","7","2","8","9","8","1") = "8"
    & skf18("7","7","2","8","9","9","1") = "8"
    & skf18("7","7","2","8","9","10","1") = "9"
    & skf18("7","7","2","8","10","1","1") = "9"
    & skf18("7","7","2","8","10","2","1") = "9"
    & skf18("7","7","2","8","10","3","1") = "9"
    & skf18("7","7","2","8","10","4","1") = "9"
    & skf18("7","7","2","8","10","5","1") = "9"
    & skf18("7","7","2","8","10","6","1") = "9"
    & skf18("7","7","2","8","10","7","1") = "9"
    & skf18("7","7","2","8","10","8","1") = "9"
    & skf18("7","7","2","8","10","9","1") = "9"
    & skf18("7","7","2","8","10","10","1") = "9"
    & skf18("7","7","2","9","1","1","1") = "8"
    & skf18("7","7","2","9","1","2","1") = "8"
    & skf18("7","7","2","9","1","3","1") = "8"
    & skf18("7","7","2","9","1","4","1") = "8"
    & skf18("7","7","2","9","1","5","1") = "8"
    & skf18("7","7","2","9","1","6","1") = "8"
    & skf18("7","7","2","9","1","7","1") = "8"
    & skf18("7","7","2","9","1","8","1") = "8"
    & skf18("7","7","2","9","1","9","1") = "8"
    & skf18("7","7","2","9","1","10","1") = "9"
    & skf18("7","7","2","9","2","1","1") = "8"
    & skf18("7","7","2","9","2","2","1") = "8"
    & skf18("7","7","2","9","2","3","1") = "8"
    & skf18("7","7","2","9","2","4","1") = "8"
    & skf18("7","7","2","9","2","5","1") = "8"
    & skf18("7","7","2","9","2","6","1") = "8"
    & skf18("7","7","2","9","2","7","1") = "8"
    & skf18("7","7","2","9","2","8","1") = "8"
    & skf18("7","7","2","9","2","9","1") = "8"
    & skf18("7","7","2","9","2","10","1") = "9"
    & skf18("7","7","2","9","3","1","1") = "8"
    & skf18("7","7","2","9","3","2","1") = "8"
    & skf18("7","7","2","9","3","3","1") = "8"
    & skf18("7","7","2","9","3","4","1") = "8"
    & skf18("7","7","2","9","3","5","1") = "8"
    & skf18("7","7","2","9","3","6","1") = "8"
    & skf18("7","7","2","9","3","7","1") = "8"
    & skf18("7","7","2","9","3","8","1") = "8"
    & skf18("7","7","2","9","3","9","1") = "8"
    & skf18("7","7","2","9","3","10","1") = "9"
    & skf18("7","7","2","9","4","1","1") = "8"
    & skf18("7","7","2","9","4","2","1") = "8"
    & skf18("7","7","2","9","4","3","1") = "8"
    & skf18("7","7","2","9","4","4","1") = "8"
    & skf18("7","7","2","9","4","5","1") = "8"
    & skf18("7","7","2","9","4","6","1") = "8"
    & skf18("7","7","2","9","4","7","1") = "8"
    & skf18("7","7","2","9","4","8","1") = "8"
    & skf18("7","7","2","9","4","9","1") = "8"
    & skf18("7","7","2","9","4","10","1") = "9"
    & skf18("7","7","2","9","5","1","1") = "8"
    & skf18("7","7","2","9","5","2","1") = "8"
    & skf18("7","7","2","9","5","3","1") = "8"
    & skf18("7","7","2","9","5","4","1") = "8"
    & skf18("7","7","2","9","5","5","1") = "8"
    & skf18("7","7","2","9","5","6","1") = "8"
    & skf18("7","7","2","9","5","7","1") = "8"
    & skf18("7","7","2","9","5","8","1") = "8"
    & skf18("7","7","2","9","5","9","1") = "8"
    & skf18("7","7","2","9","5","10","1") = "9"
    & skf18("7","7","2","9","6","1","1") = "8"
    & skf18("7","7","2","9","6","2","1") = "8"
    & skf18("7","7","2","9","6","3","1") = "8"
    & skf18("7","7","2","9","6","4","1") = "8"
    & skf18("7","7","2","9","6","5","1") = "8"
    & skf18("7","7","2","9","6","6","1") = "8"
    & skf18("7","7","2","9","6","7","1") = "8"
    & skf18("7","7","2","9","6","8","1") = "8"
    & skf18("7","7","2","9","6","9","1") = "8"
    & skf18("7","7","2","9","6","10","1") = "9"
    & skf18("7","7","2","9","7","1","1") = "8"
    & skf18("7","7","2","9","7","2","1") = "8"
    & skf18("7","7","2","9","7","3","1") = "8"
    & skf18("7","7","2","9","7","4","1") = "8"
    & skf18("7","7","2","9","7","5","1") = "8"
    & skf18("7","7","2","9","7","6","1") = "8"
    & skf18("7","7","2","9","7","7","1") = "8"
    & skf18("7","7","2","9","7","8","1") = "8"
    & skf18("7","7","2","9","7","9","1") = "8"
    & skf18("7","7","2","9","7","10","1") = "9"
    & skf18("7","7","2","9","8","1","1") = "8"
    & skf18("7","7","2","9","8","2","1") = "8"
    & skf18("7","7","2","9","8","3","1") = "8"
    & skf18("7","7","2","9","8","4","1") = "8"
    & skf18("7","7","2","9","8","5","1") = "8"
    & skf18("7","7","2","9","8","6","1") = "8"
    & skf18("7","7","2","9","8","7","1") = "8"
    & skf18("7","7","2","9","8","8","1") = "8"
    & skf18("7","7","2","9","8","9","1") = "8"
    & skf18("7","7","2","9","8","10","1") = "9"
    & skf18("7","7","2","9","9","1","1") = "8"
    & skf18("7","7","2","9","9","2","1") = "8"
    & skf18("7","7","2","9","9","3","1") = "8"
    & skf18("7","7","2","9","9","4","1") = "8"
    & skf18("7","7","2","9","9","5","1") = "8"
    & skf18("7","7","2","9","9","6","1") = "8"
    & skf18("7","7","2","9","9","7","1") = "8"
    & skf18("7","7","2","9","9","8","1") = "8"
    & skf18("7","7","2","9","9","9","1") = "8"
    & skf18("7","7","2","9","9","10","1") = "9"
    & skf18("7","7","2","9","10","1","1") = "9"
    & skf18("7","7","2","9","10","2","1") = "9"
    & skf18("7","7","2","9","10","3","1") = "9"
    & skf18("7","7","2","9","10","4","1") = "9"
    & skf18("7","7","2","9","10","5","1") = "9"
    & skf18("7","7","2","9","10","6","1") = "9"
    & skf18("7","7","2","9","10","7","1") = "9"
    & skf18("7","7","2","9","10","8","1") = "9"
    & skf18("7","7","2","9","10","9","1") = "9"
    & skf18("7","7","2","9","10","10","1") = "9"
    & skf18("7","7","2","10","1","1","1") = "9"
    & skf18("7","7","2","10","1","2","1") = "9"
    & skf18("7","7","2","10","1","3","1") = "9"
    & skf18("7","7","2","10","1","4","1") = "9"
    & skf18("7","7","2","10","1","5","1") = "9"
    & skf18("7","7","2","10","1","6","1") = "9"
    & skf18("7","7","2","10","1","7","1") = "9"
    & skf18("7","7","2","10","1","8","1") = "9"
    & skf18("7","7","2","10","1","9","1") = "9"
    & skf18("7","7","2","10","1","10","1") = "9"
    & skf18("7","7","2","10","2","1","1") = "9"
    & skf18("7","7","2","10","2","2","1") = "9"
    & skf18("7","7","2","10","2","3","1") = "9"
    & skf18("7","7","2","10","2","4","1") = "9"
    & skf18("7","7","2","10","2","5","1") = "9"
    & skf18("7","7","2","10","2","6","1") = "9"
    & skf18("7","7","2","10","2","7","1") = "9"
    & skf18("7","7","2","10","2","8","1") = "9"
    & skf18("7","7","2","10","2","9","1") = "9"
    & skf18("7","7","2","10","2","10","1") = "9"
    & skf18("7","7","2","10","3","1","1") = "9"
    & skf18("7","7","2","10","3","2","1") = "9"
    & skf18("7","7","2","10","3","3","1") = "9"
    & skf18("7","7","2","10","3","4","1") = "9"
    & skf18("7","7","2","10","3","5","1") = "9"
    & skf18("7","7","2","10","3","6","1") = "9"
    & skf18("7","7","2","10","3","7","1") = "9"
    & skf18("7","7","2","10","3","8","1") = "9"
    & skf18("7","7","2","10","3","9","1") = "9"
    & skf18("7","7","2","10","3","10","1") = "9"
    & skf18("7","7","2","10","4","1","1") = "9"
    & skf18("7","7","2","10","4","2","1") = "9"
    & skf18("7","7","2","10","4","3","1") = "9"
    & skf18("7","7","2","10","4","4","1") = "9"
    & skf18("7","7","2","10","4","5","1") = "9"
    & skf18("7","7","2","10","4","6","1") = "9"
    & skf18("7","7","2","10","4","7","1") = "9"
    & skf18("7","7","2","10","4","8","1") = "9"
    & skf18("7","7","2","10","4","9","1") = "9"
    & skf18("7","7","2","10","4","10","1") = "9"
    & skf18("7","7","2","10","5","1","1") = "9"
    & skf18("7","7","2","10","5","2","1") = "9"
    & skf18("7","7","2","10","5","3","1") = "9"
    & skf18("7","7","2","10","5","4","1") = "9"
    & skf18("7","7","2","10","5","5","1") = "9"
    & skf18("7","7","2","10","5","6","1") = "9"
    & skf18("7","7","2","10","5","7","1") = "9"
    & skf18("7","7","2","10","5","8","1") = "9"
    & skf18("7","7","2","10","5","9","1") = "9"
    & skf18("7","7","2","10","5","10","1") = "9"
    & skf18("7","7","2","10","6","1","1") = "9"
    & skf18("7","7","2","10","6","2","1") = "9"
    & skf18("7","7","2","10","6","3","1") = "9"
    & skf18("7","7","2","10","6","4","1") = "9"
    & skf18("7","7","2","10","6","5","1") = "9"
    & skf18("7","7","2","10","6","6","1") = "9"
    & skf18("7","7","2","10","6","7","1") = "9"
    & skf18("7","7","2","10","6","8","1") = "9"
    & skf18("7","7","2","10","6","9","1") = "9"
    & skf18("7","7","2","10","6","10","1") = "9"
    & skf18("7","7","2","10","7","1","1") = "9"
    & skf18("7","7","2","10","7","2","1") = "9"
    & skf18("7","7","2","10","7","3","1") = "9"
    & skf18("7","7","2","10","7","4","1") = "9"
    & skf18("7","7","2","10","7","5","1") = "9"
    & skf18("7","7","2","10","7","6","1") = "9"
    & skf18("7","7","2","10","7","7","1") = "9"
    & skf18("7","7","2","10","7","8","1") = "9"
    & skf18("7","7","2","10","7","9","1") = "9"
    & skf18("7","7","2","10","7","10","1") = "9"
    & skf18("7","7","2","10","8","1","1") = "9"
    & skf18("7","7","2","10","8","2","1") = "9"
    & skf18("7","7","2","10","8","3","1") = "9"
    & skf18("7","7","2","10","8","4","1") = "9"
    & skf18("7","7","2","10","8","5","1") = "9"
    & skf18("7","7","2","10","8","6","1") = "9"
    & skf18("7","7","2","10","8","7","1") = "9"
    & skf18("7","7","2","10","8","8","1") = "9"
    & skf18("7","7","2","10","8","9","1") = "9"
    & skf18("7","7","2","10","8","10","1") = "9"
    & skf18("7","7","2","10","9","1","1") = "9"
    & skf18("7","7","2","10","9","2","1") = "9"
    & skf18("7","7","2","10","9","3","1") = "9"
    & skf18("7","7","2","10","9","4","1") = "9"
    & skf18("7","7","2","10","9","5","1") = "9"
    & skf18("7","7","2","10","9","6","1") = "9"
    & skf18("7","7","2","10","9","7","1") = "9"
    & skf18("7","7","2","10","9","8","1") = "9"
    & skf18("7","7","2","10","9","9","1") = "9"
    & skf18("7","7","2","10","9","10","1") = "9"
    & skf18("7","7","2","10","10","1","1") = "9"
    & skf18("7","7","2","10","10","2","1") = "9"
    & skf18("7","7","2","10","10","3","1") = "9"
    & skf18("7","7","2","10","10","4","1") = "9"
    & skf18("7","7","2","10","10","5","1") = "9"
    & skf18("7","7","2","10","10","6","1") = "9"
    & skf18("7","7","2","10","10","7","1") = "9"
    & skf18("7","7","2","10","10","8","1") = "9"
    & skf18("7","7","2","10","10","9","1") = "9"
    & skf18("7","7","2","10","10","10","1") = "9"
    & skf18("7","7","3","1","1","1","1") = "6"
    & skf18("7","7","3","1","1","2","1") = "6"
    & skf18("7","7","3","1","1","3","1") = "6"
    & skf18("7","7","3","1","1","4","1") = "6"
    & skf18("7","7","3","1","1","5","1") = "6"
    & skf18("7","7","3","1","1","6","1") = "6"
    & skf18("7","7","3","1","1","7","1") = "6"
    & skf18("7","7","3","1","1","8","1") = "7"
    & skf18("7","7","3","1","1","9","1") = "8"
    & skf18("7","7","3","1","1","10","1") = "9"
    & skf18("7","7","3","1","2","1","1") = "6"
    & skf18("7","7","3","1","2","2","1") = "6"
    & skf18("7","7","3","1","2","3","1") = "6"
    & skf18("7","7","3","1","2","4","1") = "6"
    & skf18("7","7","3","1","2","5","1") = "6"
    & skf18("7","7","3","1","2","6","1") = "6"
    & skf18("7","7","3","1","2","7","1") = "6"
    & skf18("7","7","3","1","2","8","1") = "7"
    & skf18("7","7","3","1","2","9","1") = "8"
    & skf18("7","7","3","1","2","10","1") = "9"
    & skf18("7","7","3","1","3","1","1") = "6"
    & skf18("7","7","3","1","3","2","1") = "6"
    & skf18("7","7","3","1","3","3","1") = "6"
    & skf18("7","7","3","1","3","4","1") = "6"
    & skf18("7","7","3","1","3","5","1") = "6"
    & skf18("7","7","3","1","3","6","1") = "6"
    & skf18("7","7","3","1","3","7","1") = "6"
    & skf18("7","7","3","1","3","8","1") = "7"
    & skf18("7","7","3","1","3","9","1") = "8"
    & skf18("7","7","3","1","3","10","1") = "9"
    & skf18("7","7","3","1","4","1","1") = "6"
    & skf18("7","7","3","1","4","2","1") = "6"
    & skf18("7","7","3","1","4","3","1") = "6"
    & skf18("7","7","3","1","4","4","1") = "6"
    & skf18("7","7","3","1","4","5","1") = "6"
    & skf18("7","7","3","1","4","6","1") = "6"
    & skf18("7","7","3","1","4","7","1") = "6"
    & skf18("7","7","3","1","4","8","1") = "7"
    & skf18("7","7","3","1","4","9","1") = "8"
    & skf18("7","7","3","1","4","10","1") = "9"
    & skf18("7","7","3","1","5","1","1") = "6"
    & skf18("7","7","3","1","5","2","1") = "6"
    & skf18("7","7","3","1","5","3","1") = "6"
    & skf18("7","7","3","1","5","4","1") = "6"
    & skf18("7","7","3","1","5","5","1") = "6"
    & skf18("7","7","3","1","5","6","1") = "6"
    & skf18("7","7","3","1","5","7","1") = "6"
    & skf18("7","7","3","1","5","8","1") = "7"
    & skf18("7","7","3","1","5","9","1") = "8"
    & skf18("7","7","3","1","5","10","1") = "9"
    & skf18("7","7","3","1","6","1","1") = "6"
    & skf18("7","7","3","1","6","2","1") = "6"
    & skf18("7","7","3","1","6","3","1") = "6"
    & skf18("7","7","3","1","6","4","1") = "6"
    & skf18("7","7","3","1","6","5","1") = "6"
    & skf18("7","7","3","1","6","6","1") = "6"
    & skf18("7","7","3","1","6","7","1") = "6"
    & skf18("7","7","3","1","6","8","1") = "7"
    & skf18("7","7","3","1","6","9","1") = "8"
    & skf18("7","7","3","1","6","10","1") = "9"
    & skf18("7","7","3","1","7","1","1") = "6"
    & skf18("7","7","3","1","7","2","1") = "6"
    & skf18("7","7","3","1","7","3","1") = "6"
    & skf18("7","7","3","1","7","4","1") = "6"
    & skf18("7","7","3","1","7","5","1") = "6"
    & skf18("7","7","3","1","7","6","1") = "6"
    & skf18("7","7","3","1","7","7","1") = "6"
    & skf18("7","7","3","1","7","8","1") = "7"
    & skf18("7","7","3","1","7","9","1") = "8"
    & skf18("7","7","3","1","7","10","1") = "9"
    & skf18("7","7","3","1","8","1","1") = "7"
    & skf18("7","7","3","1","8","2","1") = "7"
    & skf18("7","7","3","1","8","3","1") = "7"
    & skf18("7","7","3","1","8","4","1") = "7"
    & skf18("7","7","3","1","8","5","1") = "7"
    & skf18("7","7","3","1","8","6","1") = "7"
    & skf18("7","7","3","1","8","7","1") = "7"
    & skf18("7","7","3","1","8","8","1") = "7"
    & skf18("7","7","3","1","8","9","1") = "8"
    & skf18("7","7","3","1","8","10","1") = "9"
    & skf18("7","7","3","1","9","1","1") = "8"
    & skf18("7","7","3","1","9","2","1") = "8"
    & skf18("7","7","3","1","9","3","1") = "8"
    & skf18("7","7","3","1","9","4","1") = "8"
    & skf18("7","7","3","1","9","5","1") = "8"
    & skf18("7","7","3","1","9","6","1") = "8"
    & skf18("7","7","3","1","9","7","1") = "8"
    & skf18("7","7","3","1","9","8","1") = "8"
    & skf18("7","7","3","1","9","9","1") = "8"
    & skf18("7","7","3","1","9","10","1") = "9"
    & skf18("7","7","3","1","10","1","1") = "9"
    & skf18("7","7","3","1","10","2","1") = "9"
    & skf18("7","7","3","1","10","3","1") = "9"
    & skf18("7","7","3","1","10","4","1") = "9"
    & skf18("7","7","3","1","10","5","1") = "9"
    & skf18("7","7","3","1","10","6","1") = "9"
    & skf18("7","7","3","1","10","7","1") = "9"
    & skf18("7","7","3","1","10","8","1") = "9"
    & skf18("7","7","3","1","10","9","1") = "9"
    & skf18("7","7","3","1","10","10","1") = "9"
    & skf18("7","7","3","2","1","1","1") = "6"
    & skf18("7","7","3","2","1","2","1") = "6"
    & skf18("7","7","3","2","1","3","1") = "6"
    & skf18("7","7","3","2","1","4","1") = "6"
    & skf18("7","7","3","2","1","5","1") = "6"
    & skf18("7","7","3","2","1","6","1") = "6"
    & skf18("7","7","3","2","1","7","1") = "6"
    & skf18("7","7","3","2","1","8","1") = "7"
    & skf18("7","7","3","2","1","9","1") = "8"
    & skf18("7","7","3","2","1","10","1") = "9"
    & skf18("7","7","3","2","2","1","1") = "6"
    & skf18("7","7","3","2","2","2","1") = "6"
    & skf18("7","7","3","2","2","3","1") = "6"
    & skf18("7","7","3","2","2","4","1") = "6"
    & skf18("7","7","3","2","2","5","1") = "6"
    & skf18("7","7","3","2","2","6","1") = "6"
    & skf18("7","7","3","2","2","7","1") = "6"
    & skf18("7","7","3","2","2","8","1") = "7"
    & skf18("7","7","3","2","2","9","1") = "8"
    & skf18("7","7","3","2","2","10","1") = "9"
    & skf18("7","7","3","2","3","1","1") = "6"
    & skf18("7","7","3","2","3","2","1") = "6"
    & skf18("7","7","3","2","3","3","1") = "6"
    & skf18("7","7","3","2","3","4","1") = "6"
    & skf18("7","7","3","2","3","5","1") = "6"
    & skf18("7","7","3","2","3","6","1") = "6"
    & skf18("7","7","3","2","3","7","1") = "6"
    & skf18("7","7","3","2","3","8","1") = "7"
    & skf18("7","7","3","2","3","9","1") = "8"
    & skf18("7","7","3","2","3","10","1") = "9"
    & skf18("7","7","3","2","4","1","1") = "6"
    & skf18("7","7","3","2","4","2","1") = "6"
    & skf18("7","7","3","2","4","3","1") = "6"
    & skf18("7","7","3","2","4","4","1") = "6"
    & skf18("7","7","3","2","4","5","1") = "6"
    & skf18("7","7","3","2","4","6","1") = "6"
    & skf18("7","7","3","2","4","7","1") = "6"
    & skf18("7","7","3","2","4","8","1") = "7"
    & skf18("7","7","3","2","4","9","1") = "8"
    & skf18("7","7","3","2","4","10","1") = "9"
    & skf18("7","7","3","2","5","1","1") = "6"
    & skf18("7","7","3","2","5","2","1") = "6"
    & skf18("7","7","3","2","5","3","1") = "6"
    & skf18("7","7","3","2","5","4","1") = "6"
    & skf18("7","7","3","2","5","5","1") = "6"
    & skf18("7","7","3","2","5","6","1") = "6"
    & skf18("7","7","3","2","5","7","1") = "6"
    & skf18("7","7","3","2","5","8","1") = "7"
    & skf18("7","7","3","2","5","9","1") = "8"
    & skf18("7","7","3","2","5","10","1") = "9"
    & skf18("7","7","3","2","6","1","1") = "6"
    & skf18("7","7","3","2","6","2","1") = "6"
    & skf18("7","7","3","2","6","3","1") = "6"
    & skf18("7","7","3","2","6","4","1") = "6"
    & skf18("7","7","3","2","6","5","1") = "6"
    & skf18("7","7","3","2","6","6","1") = "6"
    & skf18("7","7","3","2","6","7","1") = "6"
    & skf18("7","7","3","2","6","8","1") = "7"
    & skf18("7","7","3","2","6","9","1") = "8"
    & skf18("7","7","3","2","6","10","1") = "9"
    & skf18("7","7","3","2","7","1","1") = "6"
    & skf18("7","7","3","2","7","2","1") = "6"
    & skf18("7","7","3","2","7","3","1") = "6"
    & skf18("7","7","3","2","7","4","1") = "6"
    & skf18("7","7","3","2","7","5","1") = "6"
    & skf18("7","7","3","2","7","6","1") = "6"
    & skf18("7","7","3","2","7","7","1") = "6"
    & skf18("7","7","3","2","7","8","1") = "7"
    & skf18("7","7","3","2","7","9","1") = "8"
    & skf18("7","7","3","2","7","10","1") = "9"
    & skf18("7","7","3","2","8","1","1") = "7"
    & skf18("7","7","3","2","8","2","1") = "7"
    & skf18("7","7","3","2","8","3","1") = "7"
    & skf18("7","7","3","2","8","4","1") = "7"
    & skf18("7","7","3","2","8","5","1") = "7"
    & skf18("7","7","3","2","8","6","1") = "7"
    & skf18("7","7","3","2","8","7","1") = "7"
    & skf18("7","7","3","2","8","8","1") = "7"
    & skf18("7","7","3","2","8","9","1") = "8"
    & skf18("7","7","3","2","8","10","1") = "9"
    & skf18("7","7","3","2","9","1","1") = "8"
    & skf18("7","7","3","2","9","2","1") = "8"
    & skf18("7","7","3","2","9","3","1") = "8"
    & skf18("7","7","3","2","9","4","1") = "8"
    & skf18("7","7","3","2","9","5","1") = "8"
    & skf18("7","7","3","2","9","6","1") = "8"
    & skf18("7","7","3","2","9","7","1") = "8"
    & skf18("7","7","3","2","9","8","1") = "8"
    & skf18("7","7","3","2","9","9","1") = "8"
    & skf18("7","7","3","2","9","10","1") = "9"
    & skf18("7","7","3","2","10","1","1") = "9"
    & skf18("7","7","3","2","10","2","1") = "9"
    & skf18("7","7","3","2","10","3","1") = "9"
    & skf18("7","7","3","2","10","4","1") = "9"
    & skf18("7","7","3","2","10","5","1") = "9"
    & skf18("7","7","3","2","10","6","1") = "9"
    & skf18("7","7","3","2","10","7","1") = "9"
    & skf18("7","7","3","2","10","8","1") = "9"
    & skf18("7","7","3","2","10","9","1") = "9"
    & skf18("7","7","3","2","10","10","1") = "9"
    & skf18("7","7","3","3","1","1","1") = "6"
    & skf18("7","7","3","3","1","2","1") = "6"
    & skf18("7","7","3","3","1","3","1") = "6"
    & skf18("7","7","3","3","1","4","1") = "6"
    & skf18("7","7","3","3","1","5","1") = "6"
    & skf18("7","7","3","3","1","6","1") = "6"
    & skf18("7","7","3","3","1","7","1") = "6"
    & skf18("7","7","3","3","1","8","1") = "7"
    & skf18("7","7","3","3","1","9","1") = "8"
    & skf18("7","7","3","3","1","10","1") = "9"
    & skf18("7","7","3","3","2","1","1") = "6"
    & skf18("7","7","3","3","2","2","1") = "6"
    & skf18("7","7","3","3","2","3","1") = "6"
    & skf18("7","7","3","3","2","4","1") = "6"
    & skf18("7","7","3","3","2","5","1") = "6"
    & skf18("7","7","3","3","2","6","1") = "6"
    & skf18("7","7","3","3","2","7","1") = "6"
    & skf18("7","7","3","3","2","8","1") = "7"
    & skf18("7","7","3","3","2","9","1") = "8"
    & skf18("7","7","3","3","2","10","1") = "9"
    & skf18("7","7","3","3","3","1","1") = "6"
    & skf18("7","7","3","3","3","2","1") = "6"
    & skf18("7","7","3","3","3","3","1") = "6"
    & skf18("7","7","3","3","3","4","1") = "6"
    & skf18("7","7","3","3","3","5","1") = "6"
    & skf18("7","7","3","3","3","6","1") = "6"
    & skf18("7","7","3","3","3","7","1") = "6"
    & skf18("7","7","3","3","3","8","1") = "7"
    & skf18("7","7","3","3","3","9","1") = "8"
    & skf18("7","7","3","3","3","10","1") = "9"
    & skf18("7","7","3","3","4","1","1") = "6"
    & skf18("7","7","3","3","4","2","1") = "6"
    & skf18("7","7","3","3","4","3","1") = "6"
    & skf18("7","7","3","3","4","4","1") = "6"
    & skf18("7","7","3","3","4","5","1") = "6"
    & skf18("7","7","3","3","4","6","1") = "6"
    & skf18("7","7","3","3","4","7","1") = "6"
    & skf18("7","7","3","3","4","8","1") = "7"
    & skf18("7","7","3","3","4","9","1") = "8"
    & skf18("7","7","3","3","4","10","1") = "9"
    & skf18("7","7","3","3","5","1","1") = "6"
    & skf18("7","7","3","3","5","2","1") = "6"
    & skf18("7","7","3","3","5","3","1") = "6"
    & skf18("7","7","3","3","5","4","1") = "6"
    & skf18("7","7","3","3","5","5","1") = "6"
    & skf18("7","7","3","3","5","6","1") = "6"
    & skf18("7","7","3","3","5","7","1") = "6"
    & skf18("7","7","3","3","5","8","1") = "7"
    & skf18("7","7","3","3","5","9","1") = "8"
    & skf18("7","7","3","3","5","10","1") = "9"
    & skf18("7","7","3","3","6","1","1") = "6"
    & skf18("7","7","3","3","6","2","1") = "6"
    & skf18("7","7","3","3","6","3","1") = "6"
    & skf18("7","7","3","3","6","4","1") = "6"
    & skf18("7","7","3","3","6","5","1") = "6"
    & skf18("7","7","3","3","6","6","1") = "6"
    & skf18("7","7","3","3","6","7","1") = "6"
    & skf18("7","7","3","3","6","8","1") = "7"
    & skf18("7","7","3","3","6","9","1") = "8"
    & skf18("7","7","3","3","6","10","1") = "9"
    & skf18("7","7","3","3","7","1","1") = "6"
    & skf18("7","7","3","3","7","2","1") = "6"
    & skf18("7","7","3","3","7","3","1") = "6"
    & skf18("7","7","3","3","7","4","1") = "6"
    & skf18("7","7","3","3","7","5","1") = "6"
    & skf18("7","7","3","3","7","6","1") = "6"
    & skf18("7","7","3","3","7","7","1") = "6"
    & skf18("7","7","3","3","7","8","1") = "7"
    & skf18("7","7","3","3","7","9","1") = "8"
    & skf18("7","7","3","3","7","10","1") = "9"
    & skf18("7","7","3","3","8","1","1") = "7"
    & skf18("7","7","3","3","8","2","1") = "7"
    & skf18("7","7","3","3","8","3","1") = "7"
    & skf18("7","7","3","3","8","4","1") = "7"
    & skf18("7","7","3","3","8","5","1") = "7"
    & skf18("7","7","3","3","8","6","1") = "7"
    & skf18("7","7","3","3","8","7","1") = "7"
    & skf18("7","7","3","3","8","8","1") = "7"
    & skf18("7","7","3","3","8","9","1") = "8"
    & skf18("7","7","3","3","8","10","1") = "9"
    & skf18("7","7","3","3","9","1","1") = "8"
    & skf18("7","7","3","3","9","2","1") = "8"
    & skf18("7","7","3","3","9","3","1") = "8"
    & skf18("7","7","3","3","9","4","1") = "8"
    & skf18("7","7","3","3","9","5","1") = "8"
    & skf18("7","7","3","3","9","6","1") = "8"
    & skf18("7","7","3","3","9","7","1") = "8"
    & skf18("7","7","3","3","9","8","1") = "8"
    & skf18("7","7","3","3","9","9","1") = "8"
    & skf18("7","7","3","3","9","10","1") = "9"
    & skf18("7","7","3","3","10","1","1") = "9"
    & skf18("7","7","3","3","10","2","1") = "9"
    & skf18("7","7","3","3","10","3","1") = "9"
    & skf18("7","7","3","3","10","4","1") = "9"
    & skf18("7","7","3","3","10","5","1") = "9"
    & skf18("7","7","3","3","10","6","1") = "9"
    & skf18("7","7","3","3","10","7","1") = "9"
    & skf18("7","7","3","3","10","8","1") = "9"
    & skf18("7","7","3","3","10","9","1") = "9"
    & skf18("7","7","3","3","10","10","1") = "9"
    & skf18("7","7","3","4","1","1","1") = "6"
    & skf18("7","7","3","4","1","2","1") = "6"
    & skf18("7","7","3","4","1","3","1") = "6"
    & skf18("7","7","3","4","1","4","1") = "6"
    & skf18("7","7","3","4","1","5","1") = "6"
    & skf18("7","7","3","4","1","6","1") = "6"
    & skf18("7","7","3","4","1","7","1") = "6"
    & skf18("7","7","3","4","1","8","1") = "7"
    & skf18("7","7","3","4","1","9","1") = "8"
    & skf18("7","7","3","4","1","10","1") = "9"
    & skf18("7","7","3","4","2","1","1") = "6"
    & skf18("7","7","3","4","2","2","1") = "6"
    & skf18("7","7","3","4","2","3","1") = "6"
    & skf18("7","7","3","4","2","4","1") = "6"
    & skf18("7","7","3","4","2","5","1") = "6"
    & skf18("7","7","3","4","2","6","1") = "6"
    & skf18("7","7","3","4","2","7","1") = "6"
    & skf18("7","7","3","4","2","8","1") = "7"
    & skf18("7","7","3","4","2","9","1") = "8"
    & skf18("7","7","3","4","2","10","1") = "9"
    & skf18("7","7","3","4","3","1","1") = "6"
    & skf18("7","7","3","4","3","2","1") = "6"
    & skf18("7","7","3","4","3","3","1") = "6"
    & skf18("7","7","3","4","3","4","1") = "6"
    & skf18("7","7","3","4","3","5","1") = "6"
    & skf18("7","7","3","4","3","6","1") = "6"
    & skf18("7","7","3","4","3","7","1") = "6"
    & skf18("7","7","3","4","3","8","1") = "7"
    & skf18("7","7","3","4","3","9","1") = "8"
    & skf18("7","7","3","4","3","10","1") = "9"
    & skf18("7","7","3","4","4","1","1") = "6"
    & skf18("7","7","3","4","4","2","1") = "6"
    & skf18("7","7","3","4","4","3","1") = "6"
    & skf18("7","7","3","4","4","4","1") = "6"
    & skf18("7","7","3","4","4","5","1") = "6"
    & skf18("7","7","3","4","4","6","1") = "6"
    & skf18("7","7","3","4","4","7","1") = "6"
    & skf18("7","7","3","4","4","8","1") = "7"
    & skf18("7","7","3","4","4","9","1") = "8"
    & skf18("7","7","3","4","4","10","1") = "9"
    & skf18("7","7","3","4","5","1","1") = "6"
    & skf18("7","7","3","4","5","2","1") = "6"
    & skf18("7","7","3","4","5","3","1") = "6"
    & skf18("7","7","3","4","5","4","1") = "6"
    & skf18("7","7","3","4","5","5","1") = "6"
    & skf18("7","7","3","4","5","6","1") = "6"
    & skf18("7","7","3","4","5","7","1") = "6"
    & skf18("7","7","3","4","5","8","1") = "7"
    & skf18("7","7","3","4","5","9","1") = "8"
    & skf18("7","7","3","4","5","10","1") = "9"
    & skf18("7","7","3","4","6","1","1") = "6"
    & skf18("7","7","3","4","6","2","1") = "6"
    & skf18("7","7","3","4","6","3","1") = "6"
    & skf18("7","7","3","4","6","4","1") = "6"
    & skf18("7","7","3","4","6","5","1") = "6"
    & skf18("7","7","3","4","6","6","1") = "6"
    & skf18("7","7","3","4","6","7","1") = "6"
    & skf18("7","7","3","4","6","8","1") = "7"
    & skf18("7","7","3","4","6","9","1") = "8"
    & skf18("7","7","3","4","6","10","1") = "9"
    & skf18("7","7","3","4","7","1","1") = "6"
    & skf18("7","7","3","4","7","2","1") = "6"
    & skf18("7","7","3","4","7","3","1") = "6"
    & skf18("7","7","3","4","7","4","1") = "6"
    & skf18("7","7","3","4","7","5","1") = "6"
    & skf18("7","7","3","4","7","6","1") = "6"
    & skf18("7","7","3","4","7","7","1") = "6"
    & skf18("7","7","3","4","7","8","1") = "7"
    & skf18("7","7","3","4","7","9","1") = "8"
    & skf18("7","7","3","4","7","10","1") = "9"
    & skf18("7","7","3","4","8","1","1") = "7"
    & skf18("7","7","3","4","8","2","1") = "7"
    & skf18("7","7","3","4","8","3","1") = "7"
    & skf18("7","7","3","4","8","4","1") = "7"
    & skf18("7","7","3","4","8","5","1") = "7"
    & skf18("7","7","3","4","8","6","1") = "7"
    & skf18("7","7","3","4","8","7","1") = "7"
    & skf18("7","7","3","4","8","8","1") = "7"
    & skf18("7","7","3","4","8","9","1") = "8"
    & skf18("7","7","3","4","8","10","1") = "9"
    & skf18("7","7","3","4","9","1","1") = "8"
    & skf18("7","7","3","4","9","2","1") = "8"
    & skf18("7","7","3","4","9","3","1") = "8"
    & skf18("7","7","3","4","9","4","1") = "8"
    & skf18("7","7","3","4","9","5","1") = "8"
    & skf18("7","7","3","4","9","6","1") = "8"
    & skf18("7","7","3","4","9","7","1") = "8"
    & skf18("7","7","3","4","9","8","1") = "8"
    & skf18("7","7","3","4","9","9","1") = "8"
    & skf18("7","7","3","4","9","10","1") = "9"
    & skf18("7","7","3","4","10","1","1") = "9"
    & skf18("7","7","3","4","10","2","1") = "9"
    & skf18("7","7","3","4","10","3","1") = "9"
    & skf18("7","7","3","4","10","4","1") = "9"
    & skf18("7","7","3","4","10","5","1") = "9"
    & skf18("7","7","3","4","10","6","1") = "9"
    & skf18("7","7","3","4","10","7","1") = "9"
    & skf18("7","7","3","4","10","8","1") = "9"
    & skf18("7","7","3","4","10","9","1") = "9"
    & skf18("7","7","3","4","10","10","1") = "9"
    & skf18("7","7","3","5","1","1","1") = "6"
    & skf18("7","7","3","5","1","2","1") = "6"
    & skf18("7","7","3","5","1","3","1") = "6"
    & skf18("7","7","3","5","1","4","1") = "6"
    & skf18("7","7","3","5","1","5","1") = "6"
    & skf18("7","7","3","5","1","6","1") = "6"
    & skf18("7","7","3","5","1","7","1") = "6"
    & skf18("7","7","3","5","1","8","1") = "7"
    & skf18("7","7","3","5","1","9","1") = "8"
    & skf18("7","7","3","5","1","10","1") = "9"
    & skf18("7","7","3","5","2","1","1") = "6"
    & skf18("7","7","3","5","2","2","1") = "6"
    & skf18("7","7","3","5","2","3","1") = "6"
    & skf18("7","7","3","5","2","4","1") = "6"
    & skf18("7","7","3","5","2","5","1") = "6"
    & skf18("7","7","3","5","2","6","1") = "6"
    & skf18("7","7","3","5","2","7","1") = "6"
    & skf18("7","7","3","5","2","8","1") = "7"
    & skf18("7","7","3","5","2","9","1") = "8"
    & skf18("7","7","3","5","2","10","1") = "9"
    & skf18("7","7","3","5","3","1","1") = "6"
    & skf18("7","7","3","5","3","2","1") = "6"
    & skf18("7","7","3","5","3","3","1") = "6"
    & skf18("7","7","3","5","3","4","1") = "6"
    & skf18("7","7","3","5","3","5","1") = "6"
    & skf18("7","7","3","5","3","6","1") = "6"
    & skf18("7","7","3","5","3","7","1") = "6"
    & skf18("7","7","3","5","3","8","1") = "7"
    & skf18("7","7","3","5","3","9","1") = "8"
    & skf18("7","7","3","5","3","10","1") = "9"
    & skf18("7","7","3","5","4","1","1") = "6"
    & skf18("7","7","3","5","4","2","1") = "6"
    & skf18("7","7","3","5","4","3","1") = "6"
    & skf18("7","7","3","5","4","4","1") = "6"
    & skf18("7","7","3","5","4","5","1") = "6"
    & skf18("7","7","3","5","4","6","1") = "6"
    & skf18("7","7","3","5","4","7","1") = "6"
    & skf18("7","7","3","5","4","8","1") = "7"
    & skf18("7","7","3","5","4","9","1") = "8"
    & skf18("7","7","3","5","4","10","1") = "9"
    & skf18("7","7","3","5","5","1","1") = "6"
    & skf18("7","7","3","5","5","2","1") = "6"
    & skf18("7","7","3","5","5","3","1") = "6"
    & skf18("7","7","3","5","5","4","1") = "6"
    & skf18("7","7","3","5","5","5","1") = "6"
    & skf18("7","7","3","5","5","6","1") = "6"
    & skf18("7","7","3","5","5","7","1") = "6"
    & skf18("7","7","3","5","5","8","1") = "7"
    & skf18("7","7","3","5","5","9","1") = "8"
    & skf18("7","7","3","5","5","10","1") = "9"
    & skf18("7","7","3","5","6","1","1") = "6"
    & skf18("7","7","3","5","6","2","1") = "6"
    & skf18("7","7","3","5","6","3","1") = "6"
    & skf18("7","7","3","5","6","4","1") = "6"
    & skf18("7","7","3","5","6","5","1") = "6"
    & skf18("7","7","3","5","6","6","1") = "6"
    & skf18("7","7","3","5","6","7","1") = "6"
    & skf18("7","7","3","5","6","8","1") = "7"
    & skf18("7","7","3","5","6","9","1") = "8"
    & skf18("7","7","3","5","6","10","1") = "9"
    & skf18("7","7","3","5","7","1","1") = "6"
    & skf18("7","7","3","5","7","2","1") = "6"
    & skf18("7","7","3","5","7","3","1") = "6"
    & skf18("7","7","3","5","7","4","1") = "6"
    & skf18("7","7","3","5","7","5","1") = "6"
    & skf18("7","7","3","5","7","6","1") = "6"
    & skf18("7","7","3","5","7","7","1") = "6"
    & skf18("7","7","3","5","7","8","1") = "7"
    & skf18("7","7","3","5","7","9","1") = "8"
    & skf18("7","7","3","5","7","10","1") = "9"
    & skf18("7","7","3","5","8","1","1") = "7"
    & skf18("7","7","3","5","8","2","1") = "7"
    & skf18("7","7","3","5","8","3","1") = "7"
    & skf18("7","7","3","5","8","4","1") = "7"
    & skf18("7","7","3","5","8","5","1") = "7"
    & skf18("7","7","3","5","8","6","1") = "7"
    & skf18("7","7","3","5","8","7","1") = "7"
    & skf18("7","7","3","5","8","8","1") = "7"
    & skf18("7","7","3","5","8","9","1") = "8"
    & skf18("7","7","3","5","8","10","1") = "9"
    & skf18("7","7","3","5","9","1","1") = "8"
    & skf18("7","7","3","5","9","2","1") = "8"
    & skf18("7","7","3","5","9","3","1") = "8"
    & skf18("7","7","3","5","9","4","1") = "8"
    & skf18("7","7","3","5","9","5","1") = "8"
    & skf18("7","7","3","5","9","6","1") = "8"
    & skf18("7","7","3","5","9","7","1") = "8"
    & skf18("7","7","3","5","9","8","1") = "8"
    & skf18("7","7","3","5","9","9","1") = "8"
    & skf18("7","7","3","5","9","10","1") = "9"
    & skf18("7","7","3","5","10","1","1") = "9"
    & skf18("7","7","3","5","10","2","1") = "9"
    & skf18("7","7","3","5","10","3","1") = "9"
    & skf18("7","7","3","5","10","4","1") = "9"
    & skf18("7","7","3","5","10","5","1") = "9"
    & skf18("7","7","3","5","10","6","1") = "9"
    & skf18("7","7","3","5","10","7","1") = "9"
    & skf18("7","7","3","5","10","8","1") = "9"
    & skf18("7","7","3","5","10","9","1") = "9"
    & skf18("7","7","3","5","10","10","1") = "9"
    & skf18("7","7","3","6","1","1","1") = "6"
    & skf18("7","7","3","6","1","2","1") = "6"
    & skf18("7","7","3","6","1","3","1") = "6"
    & skf18("7","7","3","6","1","4","1") = "6"
    & skf18("7","7","3","6","1","5","1") = "6"
    & skf18("7","7","3","6","1","6","1") = "6"
    & skf18("7","7","3","6","1","7","1") = "6"
    & skf18("7","7","3","6","1","8","1") = "7"
    & skf18("7","7","3","6","1","9","1") = "8"
    & skf18("7","7","3","6","1","10","1") = "9"
    & skf18("7","7","3","6","2","1","1") = "6"
    & skf18("7","7","3","6","2","2","1") = "6"
    & skf18("7","7","3","6","2","3","1") = "6"
    & skf18("7","7","3","6","2","4","1") = "6"
    & skf18("7","7","3","6","2","5","1") = "6"
    & skf18("7","7","3","6","2","6","1") = "6"
    & skf18("7","7","3","6","2","7","1") = "6"
    & skf18("7","7","3","6","2","8","1") = "7"
    & skf18("7","7","3","6","2","9","1") = "8"
    & skf18("7","7","3","6","2","10","1") = "9"
    & skf18("7","7","3","6","3","1","1") = "6"
    & skf18("7","7","3","6","3","2","1") = "6"
    & skf18("7","7","3","6","3","3","1") = "6"
    & skf18("7","7","3","6","3","4","1") = "6"
    & skf18("7","7","3","6","3","5","1") = "6"
    & skf18("7","7","3","6","3","6","1") = "6"
    & skf18("7","7","3","6","3","7","1") = "6"
    & skf18("7","7","3","6","3","8","1") = "7"
    & skf18("7","7","3","6","3","9","1") = "8"
    & skf18("7","7","3","6","3","10","1") = "9"
    & skf18("7","7","3","6","4","1","1") = "6"
    & skf18("7","7","3","6","4","2","1") = "6"
    & skf18("7","7","3","6","4","3","1") = "6"
    & skf18("7","7","3","6","4","4","1") = "6"
    & skf18("7","7","3","6","4","5","1") = "6"
    & skf18("7","7","3","6","4","6","1") = "6"
    & skf18("7","7","3","6","4","7","1") = "6"
    & skf18("7","7","3","6","4","8","1") = "7"
    & skf18("7","7","3","6","4","9","1") = "8"
    & skf18("7","7","3","6","4","10","1") = "9"
    & skf18("7","7","3","6","5","1","1") = "6"
    & skf18("7","7","3","6","5","2","1") = "6"
    & skf18("7","7","3","6","5","3","1") = "6"
    & skf18("7","7","3","6","5","4","1") = "6"
    & skf18("7","7","3","6","5","5","1") = "6"
    & skf18("7","7","3","6","5","6","1") = "6"
    & skf18("7","7","3","6","5","7","1") = "6"
    & skf18("7","7","3","6","5","8","1") = "7"
    & skf18("7","7","3","6","5","9","1") = "8"
    & skf18("7","7","3","6","5","10","1") = "9"
    & skf18("7","7","3","6","6","1","1") = "6"
    & skf18("7","7","3","6","6","2","1") = "6"
    & skf18("7","7","3","6","6","3","1") = "6"
    & skf18("7","7","3","6","6","4","1") = "6"
    & skf18("7","7","3","6","6","5","1") = "6"
    & skf18("7","7","3","6","6","6","1") = "6"
    & skf18("7","7","3","6","6","7","1") = "6"
    & skf18("7","7","3","6","6","8","1") = "7"
    & skf18("7","7","3","6","6","9","1") = "8"
    & skf18("7","7","3","6","6","10","1") = "9"
    & skf18("7","7","3","6","7","1","1") = "6"
    & skf18("7","7","3","6","7","2","1") = "6"
    & skf18("7","7","3","6","7","3","1") = "6"
    & skf18("7","7","3","6","7","4","1") = "6"
    & skf18("7","7","3","6","7","5","1") = "6"
    & skf18("7","7","3","6","7","6","1") = "6"
    & skf18("7","7","3","6","7","7","1") = "6"
    & skf18("7","7","3","6","7","8","1") = "7"
    & skf18("7","7","3","6","7","9","1") = "8"
    & skf18("7","7","3","6","7","10","1") = "9"
    & skf18("7","7","3","6","8","1","1") = "7"
    & skf18("7","7","3","6","8","2","1") = "7"
    & skf18("7","7","3","6","8","3","1") = "7"
    & skf18("7","7","3","6","8","4","1") = "7"
    & skf18("7","7","3","6","8","5","1") = "7"
    & skf18("7","7","3","6","8","6","1") = "7"
    & skf18("7","7","3","6","8","7","1") = "7"
    & skf18("7","7","3","6","8","8","1") = "7"
    & skf18("7","7","3","6","8","9","1") = "8"
    & skf18("7","7","3","6","8","10","1") = "9"
    & skf18("7","7","3","6","9","1","1") = "8"
    & skf18("7","7","3","6","9","2","1") = "8"
    & skf18("7","7","3","6","9","3","1") = "8"
    & skf18("7","7","3","6","9","4","1") = "8"
    & skf18("7","7","3","6","9","5","1") = "8"
    & skf18("7","7","3","6","9","6","1") = "8"
    & skf18("7","7","3","6","9","7","1") = "8"
    & skf18("7","7","3","6","9","8","1") = "8"
    & skf18("7","7","3","6","9","9","1") = "8"
    & skf18("7","7","3","6","9","10","1") = "9"
    & skf18("7","7","3","6","10","1","1") = "9"
    & skf18("7","7","3","6","10","2","1") = "9"
    & skf18("7","7","3","6","10","3","1") = "9"
    & skf18("7","7","3","6","10","4","1") = "9"
    & skf18("7","7","3","6","10","5","1") = "9"
    & skf18("7","7","3","6","10","6","1") = "9"
    & skf18("7","7","3","6","10","7","1") = "9"
    & skf18("7","7","3","6","10","8","1") = "9"
    & skf18("7","7","3","6","10","9","1") = "9"
    & skf18("7","7","3","6","10","10","1") = "9"
    & skf18("7","7","3","7","1","1","1") = "6"
    & skf18("7","7","3","7","1","2","1") = "6"
    & skf18("7","7","3","7","1","3","1") = "6"
    & skf18("7","7","3","7","1","4","1") = "6"
    & skf18("7","7","3","7","1","5","1") = "6"
    & skf18("7","7","3","7","1","6","1") = "6"
    & skf18("7","7","3","7","1","7","1") = "6"
    & skf18("7","7","3","7","1","8","1") = "7"
    & skf18("7","7","3","7","1","9","1") = "8"
    & skf18("7","7","3","7","1","10","1") = "9"
    & skf18("7","7","3","7","2","1","1") = "6"
    & skf18("7","7","3","7","2","2","1") = "6"
    & skf18("7","7","3","7","2","3","1") = "6"
    & skf18("7","7","3","7","2","4","1") = "6"
    & skf18("7","7","3","7","2","5","1") = "6"
    & skf18("7","7","3","7","2","6","1") = "6"
    & skf18("7","7","3","7","2","7","1") = "6"
    & skf18("7","7","3","7","2","8","1") = "7"
    & skf18("7","7","3","7","2","9","1") = "8"
    & skf18("7","7","3","7","2","10","1") = "9"
    & skf18("7","7","3","7","3","1","1") = "6"
    & skf18("7","7","3","7","3","2","1") = "6"
    & skf18("7","7","3","7","3","3","1") = "6"
    & skf18("7","7","3","7","3","4","1") = "6"
    & skf18("7","7","3","7","3","5","1") = "6"
    & skf18("7","7","3","7","3","6","1") = "6"
    & skf18("7","7","3","7","3","7","1") = "6"
    & skf18("7","7","3","7","3","8","1") = "7"
    & skf18("7","7","3","7","3","9","1") = "8"
    & skf18("7","7","3","7","3","10","1") = "9"
    & skf18("7","7","3","7","4","1","1") = "6"
    & skf18("7","7","3","7","4","2","1") = "6"
    & skf18("7","7","3","7","4","3","1") = "6"
    & skf18("7","7","3","7","4","4","1") = "6"
    & skf18("7","7","3","7","4","5","1") = "6"
    & skf18("7","7","3","7","4","6","1") = "6"
    & skf18("7","7","3","7","4","7","1") = "6"
    & skf18("7","7","3","7","4","8","1") = "7"
    & skf18("7","7","3","7","4","9","1") = "8"
    & skf18("7","7","3","7","4","10","1") = "9"
    & skf18("7","7","3","7","5","1","1") = "6"
    & skf18("7","7","3","7","5","2","1") = "6"
    & skf18("7","7","3","7","5","3","1") = "6"
    & skf18("7","7","3","7","5","4","1") = "6"
    & skf18("7","7","3","7","5","5","1") = "6"
    & skf18("7","7","3","7","5","6","1") = "6"
    & skf18("7","7","3","7","5","7","1") = "6"
    & skf18("7","7","3","7","5","8","1") = "7"
    & skf18("7","7","3","7","5","9","1") = "8"
    & skf18("7","7","3","7","5","10","1") = "9"
    & skf18("7","7","3","7","6","1","1") = "6"
    & skf18("7","7","3","7","6","2","1") = "6"
    & skf18("7","7","3","7","6","3","1") = "6"
    & skf18("7","7","3","7","6","4","1") = "6"
    & skf18("7","7","3","7","6","5","1") = "6"
    & skf18("7","7","3","7","6","6","1") = "6"
    & skf18("7","7","3","7","6","7","1") = "6"
    & skf18("7","7","3","7","6","8","1") = "7"
    & skf18("7","7","3","7","6","9","1") = "8"
    & skf18("7","7","3","7","6","10","1") = "9"
    & skf18("7","7","3","7","7","1","1") = "6"
    & skf18("7","7","3","7","7","2","1") = "6"
    & skf18("7","7","3","7","7","3","1") = "6"
    & skf18("7","7","3","7","7","4","1") = "6"
    & skf18("7","7","3","7","7","5","1") = "6"
    & skf18("7","7","3","7","7","6","1") = "6"
    & skf18("7","7","3","7","7","7","1") = "6"
    & skf18("7","7","3","7","7","8","1") = "7"
    & skf18("7","7","3","7","7","9","1") = "8"
    & skf18("7","7","3","7","7","10","1") = "9"
    & skf18("7","7","3","7","8","1","1") = "7"
    & skf18("7","7","3","7","8","2","1") = "7"
    & skf18("7","7","3","7","8","3","1") = "7"
    & skf18("7","7","3","7","8","4","1") = "7"
    & skf18("7","7","3","7","8","5","1") = "7"
    & skf18("7","7","3","7","8","6","1") = "7"
    & skf18("7","7","3","7","8","7","1") = "7"
    & skf18("7","7","3","7","8","8","1") = "7"
    & skf18("7","7","3","7","8","9","1") = "8"
    & skf18("7","7","3","7","8","10","1") = "9"
    & skf18("7","7","3","7","9","1","1") = "8"
    & skf18("7","7","3","7","9","2","1") = "8"
    & skf18("7","7","3","7","9","3","1") = "8"
    & skf18("7","7","3","7","9","4","1") = "8"
    & skf18("7","7","3","7","9","5","1") = "8"
    & skf18("7","7","3","7","9","6","1") = "8"
    & skf18("7","7","3","7","9","7","1") = "8"
    & skf18("7","7","3","7","9","8","1") = "8"
    & skf18("7","7","3","7","9","9","1") = "8"
    & skf18("7","7","3","7","9","10","1") = "9"
    & skf18("7","7","3","7","10","1","1") = "9"
    & skf18("7","7","3","7","10","2","1") = "9"
    & skf18("7","7","3","7","10","3","1") = "9"
    & skf18("7","7","3","7","10","4","1") = "9"
    & skf18("7","7","3","7","10","5","1") = "9"
    & skf18("7","7","3","7","10","6","1") = "9"
    & skf18("7","7","3","7","10","7","1") = "9"
    & skf18("7","7","3","7","10","8","1") = "9"
    & skf18("7","7","3","7","10","9","1") = "9"
    & skf18("7","7","3","7","10","10","1") = "9"
    & skf18("7","7","3","8","1","1","1") = "7"
    & skf18("7","7","3","8","1","2","1") = "7"
    & skf18("7","7","3","8","1","3","1") = "7"
    & skf18("7","7","3","8","1","4","1") = "7"
    & skf18("7","7","3","8","1","5","1") = "7"
    & skf18("7","7","3","8","1","6","1") = "7"
    & skf18("7","7","3","8","1","7","1") = "7"
    & skf18("7","7","3","8","1","8","1") = "7"
    & skf18("7","7","3","8","1","9","1") = "8"
    & skf18("7","7","3","8","1","10","1") = "9"
    & skf18("7","7","3","8","2","1","1") = "7"
    & skf18("7","7","3","8","2","2","1") = "7"
    & skf18("7","7","3","8","2","3","1") = "7"
    & skf18("7","7","3","8","2","4","1") = "7"
    & skf18("7","7","3","8","2","5","1") = "7"
    & skf18("7","7","3","8","2","6","1") = "7"
    & skf18("7","7","3","8","2","7","1") = "7"
    & skf18("7","7","3","8","2","8","1") = "7"
    & skf18("7","7","3","8","2","9","1") = "8"
    & skf18("7","7","3","8","2","10","1") = "9"
    & skf18("7","7","3","8","3","1","1") = "7"
    & skf18("7","7","3","8","3","2","1") = "7"
    & skf18("7","7","3","8","3","3","1") = "7"
    & skf18("7","7","3","8","3","4","1") = "7"
    & skf18("7","7","3","8","3","5","1") = "7"
    & skf18("7","7","3","8","3","6","1") = "7"
    & skf18("7","7","3","8","3","7","1") = "7"
    & skf18("7","7","3","8","3","8","1") = "7"
    & skf18("7","7","3","8","3","9","1") = "8"
    & skf18("7","7","3","8","3","10","1") = "9"
    & skf18("7","7","3","8","4","1","1") = "7"
    & skf18("7","7","3","8","4","2","1") = "7"
    & skf18("7","7","3","8","4","3","1") = "7"
    & skf18("7","7","3","8","4","4","1") = "7"
    & skf18("7","7","3","8","4","5","1") = "7"
    & skf18("7","7","3","8","4","6","1") = "7"
    & skf18("7","7","3","8","4","7","1") = "7"
    & skf18("7","7","3","8","4","8","1") = "7"
    & skf18("7","7","3","8","4","9","1") = "8"
    & skf18("7","7","3","8","4","10","1") = "9"
    & skf18("7","7","3","8","5","1","1") = "7"
    & skf18("7","7","3","8","5","2","1") = "7"
    & skf18("7","7","3","8","5","3","1") = "7"
    & skf18("7","7","3","8","5","4","1") = "7"
    & skf18("7","7","3","8","5","5","1") = "7"
    & skf18("7","7","3","8","5","6","1") = "7"
    & skf18("7","7","3","8","5","7","1") = "7"
    & skf18("7","7","3","8","5","8","1") = "7"
    & skf18("7","7","3","8","5","9","1") = "8"
    & skf18("7","7","3","8","5","10","1") = "9"
    & skf18("7","7","3","8","6","1","1") = "7"
    & skf18("7","7","3","8","6","2","1") = "7"
    & skf18("7","7","3","8","6","3","1") = "7"
    & skf18("7","7","3","8","6","4","1") = "7"
    & skf18("7","7","3","8","6","5","1") = "7"
    & skf18("7","7","3","8","6","6","1") = "7"
    & skf18("7","7","3","8","6","7","1") = "7"
    & skf18("7","7","3","8","6","8","1") = "7"
    & skf18("7","7","3","8","6","9","1") = "8"
    & skf18("7","7","3","8","6","10","1") = "9"
    & skf18("7","7","3","8","7","1","1") = "7"
    & skf18("7","7","3","8","7","2","1") = "7"
    & skf18("7","7","3","8","7","3","1") = "7"
    & skf18("7","7","3","8","7","4","1") = "7"
    & skf18("7","7","3","8","7","5","1") = "7"
    & skf18("7","7","3","8","7","6","1") = "7"
    & skf18("7","7","3","8","7","7","1") = "7"
    & skf18("7","7","3","8","7","8","1") = "7"
    & skf18("7","7","3","8","7","9","1") = "8"
    & skf18("7","7","3","8","7","10","1") = "9"
    & skf18("7","7","3","8","8","1","1") = "7"
    & skf18("7","7","3","8","8","2","1") = "7"
    & skf18("7","7","3","8","8","3","1") = "7"
    & skf18("7","7","3","8","8","4","1") = "7"
    & skf18("7","7","3","8","8","5","1") = "7"
    & skf18("7","7","3","8","8","6","1") = "7"
    & skf18("7","7","3","8","8","7","1") = "7"
    & skf18("7","7","3","8","8","8","1") = "7"
    & skf18("7","7","3","8","8","9","1") = "8"
    & skf18("7","7","3","8","8","10","1") = "9"
    & skf18("7","7","3","8","9","1","1") = "8"
    & skf18("7","7","3","8","9","2","1") = "8"
    & skf18("7","7","3","8","9","3","1") = "8"
    & skf18("7","7","3","8","9","4","1") = "8"
    & skf18("7","7","3","8","9","5","1") = "8"
    & skf18("7","7","3","8","9","6","1") = "8"
    & skf18("7","7","3","8","9","7","1") = "8"
    & skf18("7","7","3","8","9","8","1") = "8"
    & skf18("7","7","3","8","9","9","1") = "8"
    & skf18("7","7","3","8","9","10","1") = "9"
    & skf18("7","7","3","8","10","1","1") = "9"
    & skf18("7","7","3","8","10","2","1") = "9"
    & skf18("7","7","3","8","10","3","1") = "9"
    & skf18("7","7","3","8","10","4","1") = "9"
    & skf18("7","7","3","8","10","5","1") = "9"
    & skf18("7","7","3","8","10","6","1") = "9"
    & skf18("7","7","3","8","10","7","1") = "9"
    & skf18("7","7","3","8","10","8","1") = "9"
    & skf18("7","7","3","8","10","9","1") = "9"
    & skf18("7","7","3","8","10","10","1") = "9"
    & skf18("7","7","3","9","1","1","1") = "8"
    & skf18("7","7","3","9","1","2","1") = "8"
    & skf18("7","7","3","9","1","3","1") = "8"
    & skf18("7","7","3","9","1","4","1") = "8"
    & skf18("7","7","3","9","1","5","1") = "8"
    & skf18("7","7","3","9","1","6","1") = "8"
    & skf18("7","7","3","9","1","7","1") = "8"
    & skf18("7","7","3","9","1","8","1") = "8"
    & skf18("7","7","3","9","1","9","1") = "8"
    & skf18("7","7","3","9","1","10","1") = "9"
    & skf18("7","7","3","9","2","1","1") = "8"
    & skf18("7","7","3","9","2","2","1") = "8"
    & skf18("7","7","3","9","2","3","1") = "8"
    & skf18("7","7","3","9","2","4","1") = "8"
    & skf18("7","7","3","9","2","5","1") = "8"
    & skf18("7","7","3","9","2","6","1") = "8"
    & skf18("7","7","3","9","2","7","1") = "8"
    & skf18("7","7","3","9","2","8","1") = "8"
    & skf18("7","7","3","9","2","9","1") = "8"
    & skf18("7","7","3","9","2","10","1") = "9"
    & skf18("7","7","3","9","3","1","1") = "8"
    & skf18("7","7","3","9","3","2","1") = "8"
    & skf18("7","7","3","9","3","3","1") = "8"
    & skf18("7","7","3","9","3","4","1") = "8"
    & skf18("7","7","3","9","3","5","1") = "8"
    & skf18("7","7","3","9","3","6","1") = "8"
    & skf18("7","7","3","9","3","7","1") = "8"
    & skf18("7","7","3","9","3","8","1") = "8"
    & skf18("7","7","3","9","3","9","1") = "8"
    & skf18("7","7","3","9","3","10","1") = "9"
    & skf18("7","7","3","9","4","1","1") = "8"
    & skf18("7","7","3","9","4","2","1") = "8"
    & skf18("7","7","3","9","4","3","1") = "8"
    & skf18("7","7","3","9","4","4","1") = "8"
    & skf18("7","7","3","9","4","5","1") = "8"
    & skf18("7","7","3","9","4","6","1") = "8"
    & skf18("7","7","3","9","4","7","1") = "8"
    & skf18("7","7","3","9","4","8","1") = "8"
    & skf18("7","7","3","9","4","9","1") = "8"
    & skf18("7","7","3","9","4","10","1") = "9"
    & skf18("7","7","3","9","5","1","1") = "8"
    & skf18("7","7","3","9","5","2","1") = "8"
    & skf18("7","7","3","9","5","3","1") = "8"
    & skf18("7","7","3","9","5","4","1") = "8"
    & skf18("7","7","3","9","5","5","1") = "8"
    & skf18("7","7","3","9","5","6","1") = "8"
    & skf18("7","7","3","9","5","7","1") = "8"
    & skf18("7","7","3","9","5","8","1") = "8"
    & skf18("7","7","3","9","5","9","1") = "8"
    & skf18("7","7","3","9","5","10","1") = "9"
    & skf18("7","7","3","9","6","1","1") = "8"
    & skf18("7","7","3","9","6","2","1") = "8"
    & skf18("7","7","3","9","6","3","1") = "8"
    & skf18("7","7","3","9","6","4","1") = "8"
    & skf18("7","7","3","9","6","5","1") = "8"
    & skf18("7","7","3","9","6","6","1") = "8"
    & skf18("7","7","3","9","6","7","1") = "8"
    & skf18("7","7","3","9","6","8","1") = "8"
    & skf18("7","7","3","9","6","9","1") = "8"
    & skf18("7","7","3","9","6","10","1") = "9"
    & skf18("7","7","3","9","7","1","1") = "8"
    & skf18("7","7","3","9","7","2","1") = "8"
    & skf18("7","7","3","9","7","3","1") = "8"
    & skf18("7","7","3","9","7","4","1") = "8"
    & skf18("7","7","3","9","7","5","1") = "8"
    & skf18("7","7","3","9","7","6","1") = "8"
    & skf18("7","7","3","9","7","7","1") = "8"
    & skf18("7","7","3","9","7","8","1") = "8"
    & skf18("7","7","3","9","7","9","1") = "8"
    & skf18("7","7","3","9","7","10","1") = "9"
    & skf18("7","7","3","9","8","1","1") = "8"
    & skf18("7","7","3","9","8","2","1") = "8"
    & skf18("7","7","3","9","8","3","1") = "8"
    & skf18("7","7","3","9","8","4","1") = "8"
    & skf18("7","7","3","9","8","5","1") = "8"
    & skf18("7","7","3","9","8","6","1") = "8"
    & skf18("7","7","3","9","8","7","1") = "8"
    & skf18("7","7","3","9","8","8","1") = "8"
    & skf18("7","7","3","9","8","9","1") = "8"
    & skf18("7","7","3","9","8","10","1") = "9"
    & skf18("7","7","3","9","9","1","1") = "8"
    & skf18("7","7","3","9","9","2","1") = "8"
    & skf18("7","7","3","9","9","3","1") = "8"
    & skf18("7","7","3","9","9","4","1") = "8"
    & skf18("7","7","3","9","9","5","1") = "8"
    & skf18("7","7","3","9","9","6","1") = "8"
    & skf18("7","7","3","9","9","7","1") = "8"
    & skf18("7","7","3","9","9","8","1") = "8"
    & skf18("7","7","3","9","9","9","1") = "8"
    & skf18("7","7","3","9","9","10","1") = "9"
    & skf18("7","7","3","9","10","1","1") = "9"
    & skf18("7","7","3","9","10","2","1") = "9"
    & skf18("7","7","3","9","10","3","1") = "9"
    & skf18("7","7","3","9","10","4","1") = "9"
    & skf18("7","7","3","9","10","5","1") = "9"
    & skf18("7","7","3","9","10","6","1") = "9"
    & skf18("7","7","3","9","10","7","1") = "9"
    & skf18("7","7","3","9","10","8","1") = "9"
    & skf18("7","7","3","9","10","9","1") = "9"
    & skf18("7","7","3","9","10","10","1") = "9"
    & skf18("7","7","3","10","1","1","1") = "9"
    & skf18("7","7","3","10","1","2","1") = "9"
    & skf18("7","7","3","10","1","3","1") = "9"
    & skf18("7","7","3","10","1","4","1") = "9"
    & skf18("7","7","3","10","1","5","1") = "9"
    & skf18("7","7","3","10","1","6","1") = "9"
    & skf18("7","7","3","10","1","7","1") = "9"
    & skf18("7","7","3","10","1","8","1") = "9"
    & skf18("7","7","3","10","1","9","1") = "9"
    & skf18("7","7","3","10","1","10","1") = "9"
    & skf18("7","7","3","10","2","1","1") = "9"
    & skf18("7","7","3","10","2","2","1") = "9"
    & skf18("7","7","3","10","2","3","1") = "9"
    & skf18("7","7","3","10","2","4","1") = "9"
    & skf18("7","7","3","10","2","5","1") = "9"
    & skf18("7","7","3","10","2","6","1") = "9"
    & skf18("7","7","3","10","2","7","1") = "9"
    & skf18("7","7","3","10","2","8","1") = "9"
    & skf18("7","7","3","10","2","9","1") = "9"
    & skf18("7","7","3","10","2","10","1") = "9"
    & skf18("7","7","3","10","3","1","1") = "9"
    & skf18("7","7","3","10","3","2","1") = "9"
    & skf18("7","7","3","10","3","3","1") = "9"
    & skf18("7","7","3","10","3","4","1") = "9"
    & skf18("7","7","3","10","3","5","1") = "9"
    & skf18("7","7","3","10","3","6","1") = "9"
    & skf18("7","7","3","10","3","7","1") = "9"
    & skf18("7","7","3","10","3","8","1") = "9"
    & skf18("7","7","3","10","3","9","1") = "9"
    & skf18("7","7","3","10","3","10","1") = "9"
    & skf18("7","7","3","10","4","1","1") = "9"
    & skf18("7","7","3","10","4","2","1") = "9"
    & skf18("7","7","3","10","4","3","1") = "9"
    & skf18("7","7","3","10","4","4","1") = "9"
    & skf18("7","7","3","10","4","5","1") = "9"
    & skf18("7","7","3","10","4","6","1") = "9"
    & skf18("7","7","3","10","4","7","1") = "9"
    & skf18("7","7","3","10","4","8","1") = "9"
    & skf18("7","7","3","10","4","9","1") = "9"
    & skf18("7","7","3","10","4","10","1") = "9"
    & skf18("7","7","3","10","5","1","1") = "9"
    & skf18("7","7","3","10","5","2","1") = "9"
    & skf18("7","7","3","10","5","3","1") = "9"
    & skf18("7","7","3","10","5","4","1") = "9"
    & skf18("7","7","3","10","5","5","1") = "9"
    & skf18("7","7","3","10","5","6","1") = "9"
    & skf18("7","7","3","10","5","7","1") = "9"
    & skf18("7","7","3","10","5","8","1") = "9"
    & skf18("7","7","3","10","5","9","1") = "9"
    & skf18("7","7","3","10","5","10","1") = "9"
    & skf18("7","7","3","10","6","1","1") = "9"
    & skf18("7","7","3","10","6","2","1") = "9"
    & skf18("7","7","3","10","6","3","1") = "9"
    & skf18("7","7","3","10","6","4","1") = "9"
    & skf18("7","7","3","10","6","5","1") = "9"
    & skf18("7","7","3","10","6","6","1") = "9"
    & skf18("7","7","3","10","6","7","1") = "9"
    & skf18("7","7","3","10","6","8","1") = "9"
    & skf18("7","7","3","10","6","9","1") = "9"
    & skf18("7","7","3","10","6","10","1") = "9"
    & skf18("7","7","3","10","7","1","1") = "9"
    & skf18("7","7","3","10","7","2","1") = "9"
    & skf18("7","7","3","10","7","3","1") = "9"
    & skf18("7","7","3","10","7","4","1") = "9"
    & skf18("7","7","3","10","7","5","1") = "9"
    & skf18("7","7","3","10","7","6","1") = "9"
    & skf18("7","7","3","10","7","7","1") = "9"
    & skf18("7","7","3","10","7","8","1") = "9"
    & skf18("7","7","3","10","7","9","1") = "9"
    & skf18("7","7","3","10","7","10","1") = "9"
    & skf18("7","7","3","10","8","1","1") = "9"
    & skf18("7","7","3","10","8","2","1") = "9"
    & skf18("7","7","3","10","8","3","1") = "9"
    & skf18("7","7","3","10","8","4","1") = "9"
    & skf18("7","7","3","10","8","5","1") = "9"
    & skf18("7","7","3","10","8","6","1") = "9"
    & skf18("7","7","3","10","8","7","1") = "9"
    & skf18("7","7","3","10","8","8","1") = "9"
    & skf18("7","7","3","10","8","9","1") = "9"
    & skf18("7","7","3","10","8","10","1") = "9"
    & skf18("7","7","3","10","9","1","1") = "9"
    & skf18("7","7","3","10","9","2","1") = "9"
    & skf18("7","7","3","10","9","3","1") = "9"
    & skf18("7","7","3","10","9","4","1") = "9"
    & skf18("7","7","3","10","9","5","1") = "9"
    & skf18("7","7","3","10","9","6","1") = "9"
    & skf18("7","7","3","10","9","7","1") = "9"
    & skf18("7","7","3","10","9","8","1") = "9"
    & skf18("7","7","3","10","9","9","1") = "9"
    & skf18("7","7","3","10","9","10","1") = "9"
    & skf18("7","7","3","10","10","1","1") = "9"
    & skf18("7","7","3","10","10","2","1") = "9"
    & skf18("7","7","3","10","10","3","1") = "9"
    & skf18("7","7","3","10","10","4","1") = "9"
    & skf18("7","7","3","10","10","5","1") = "9"
    & skf18("7","7","3","10","10","6","1") = "9"
    & skf18("7","7","3","10","10","7","1") = "9"
    & skf18("7","7","3","10","10","8","1") = "9"
    & skf18("7","7","3","10","10","9","1") = "9"
    & skf18("7","7","3","10","10","10","1") = "9"
    & skf18("7","7","4","1","1","1","1") = "6"
    & skf18("7","7","4","1","1","2","1") = "6"
    & skf18("7","7","4","1","1","3","1") = "6"
    & skf18("7","7","4","1","1","4","1") = "6"
    & skf18("7","7","4","1","1","5","1") = "6"
    & skf18("7","7","4","1","1","6","1") = "6"
    & skf18("7","7","4","1","1","7","1") = "6"
    & skf18("7","7","4","1","1","8","1") = "7"
    & skf18("7","7","4","1","1","9","1") = "8"
    & skf18("7","7","4","1","1","10","1") = "9"
    & skf18("7","7","4","1","2","1","1") = "6"
    & skf18("7","7","4","1","2","2","1") = "6"
    & skf18("7","7","4","1","2","3","1") = "6"
    & skf18("7","7","4","1","2","4","1") = "6"
    & skf18("7","7","4","1","2","5","1") = "6"
    & skf18("7","7","4","1","2","6","1") = "6"
    & skf18("7","7","4","1","2","7","1") = "6"
    & skf18("7","7","4","1","2","8","1") = "7"
    & skf18("7","7","4","1","2","9","1") = "8"
    & skf18("7","7","4","1","2","10","1") = "9"
    & skf18("7","7","4","1","3","1","1") = "6"
    & skf18("7","7","4","1","3","2","1") = "6"
    & skf18("7","7","4","1","3","3","1") = "6"
    & skf18("7","7","4","1","3","4","1") = "6"
    & skf18("7","7","4","1","3","5","1") = "6"
    & skf18("7","7","4","1","3","6","1") = "6"
    & skf18("7","7","4","1","3","7","1") = "6"
    & skf18("7","7","4","1","3","8","1") = "7"
    & skf18("7","7","4","1","3","9","1") = "8"
    & skf18("7","7","4","1","3","10","1") = "9"
    & skf18("7","7","4","1","4","1","1") = "6"
    & skf18("7","7","4","1","4","2","1") = "6"
    & skf18("7","7","4","1","4","3","1") = "6"
    & skf18("7","7","4","1","4","4","1") = "6"
    & skf18("7","7","4","1","4","5","1") = "6"
    & skf18("7","7","4","1","4","6","1") = "6"
    & skf18("7","7","4","1","4","7","1") = "6"
    & skf18("7","7","4","1","4","8","1") = "7"
    & skf18("7","7","4","1","4","9","1") = "8"
    & skf18("7","7","4","1","4","10","1") = "9"
    & skf18("7","7","4","1","5","1","1") = "6"
    & skf18("7","7","4","1","5","2","1") = "6"
    & skf18("7","7","4","1","5","3","1") = "6"
    & skf18("7","7","4","1","5","4","1") = "6"
    & skf18("7","7","4","1","5","5","1") = "6"
    & skf18("7","7","4","1","5","6","1") = "6"
    & skf18("7","7","4","1","5","7","1") = "6"
    & skf18("7","7","4","1","5","8","1") = "7"
    & skf18("7","7","4","1","5","9","1") = "8"
    & skf18("7","7","4","1","5","10","1") = "9"
    & skf18("7","7","4","1","6","1","1") = "6"
    & skf18("7","7","4","1","6","2","1") = "6"
    & skf18("7","7","4","1","6","3","1") = "6"
    & skf18("7","7","4","1","6","4","1") = "6"
    & skf18("7","7","4","1","6","5","1") = "6"
    & skf18("7","7","4","1","6","6","1") = "6"
    & skf18("7","7","4","1","6","7","1") = "6"
    & skf18("7","7","4","1","6","8","1") = "7"
    & skf18("7","7","4","1","6","9","1") = "8"
    & skf18("7","7","4","1","6","10","1") = "9"
    & skf18("7","7","4","1","7","1","1") = "6"
    & skf18("7","7","4","1","7","2","1") = "6"
    & skf18("7","7","4","1","7","3","1") = "6"
    & skf18("7","7","4","1","7","4","1") = "6"
    & skf18("7","7","4","1","7","5","1") = "6"
    & skf18("7","7","4","1","7","6","1") = "6"
    & skf18("7","7","4","1","7","7","1") = "6"
    & skf18("7","7","4","1","7","8","1") = "7"
    & skf18("7","7","4","1","7","9","1") = "8"
    & skf18("7","7","4","1","7","10","1") = "9"
    & skf18("7","7","4","1","8","1","1") = "7"
    & skf18("7","7","4","1","8","2","1") = "7"
    & skf18("7","7","4","1","8","3","1") = "7"
    & skf18("7","7","4","1","8","4","1") = "7"
    & skf18("7","7","4","1","8","5","1") = "7"
    & skf18("7","7","4","1","8","6","1") = "7"
    & skf18("7","7","4","1","8","7","1") = "7"
    & skf18("7","7","4","1","8","8","1") = "7"
    & skf18("7","7","4","1","8","9","1") = "8"
    & skf18("7","7","4","1","8","10","1") = "9"
    & skf18("7","7","4","1","9","1","1") = "8"
    & skf18("7","7","4","1","9","2","1") = "8"
    & skf18("7","7","4","1","9","3","1") = "8"
    & skf18("7","7","4","1","9","4","1") = "8"
    & skf18("7","7","4","1","9","5","1") = "8"
    & skf18("7","7","4","1","9","6","1") = "8"
    & skf18("7","7","4","1","9","7","1") = "8"
    & skf18("7","7","4","1","9","8","1") = "8"
    & skf18("7","7","4","1","9","9","1") = "8"
    & skf18("7","7","4","1","9","10","1") = "9"
    & skf18("7","7","4","1","10","1","1") = "9"
    & skf18("7","7","4","1","10","2","1") = "9"
    & skf18("7","7","4","1","10","3","1") = "9"
    & skf18("7","7","4","1","10","4","1") = "9"
    & skf18("7","7","4","1","10","5","1") = "9"
    & skf18("7","7","4","1","10","6","1") = "9"
    & skf18("7","7","4","1","10","7","1") = "9"
    & skf18("7","7","4","1","10","8","1") = "9"
    & skf18("7","7","4","1","10","9","1") = "9"
    & skf18("7","7","4","1","10","10","1") = "9"
    & skf18("7","7","4","2","1","1","1") = "6"
    & skf18("7","7","4","2","1","2","1") = "6"
    & skf18("7","7","4","2","1","3","1") = "6"
    & skf18("7","7","4","2","1","4","1") = "6"
    & skf18("7","7","4","2","1","5","1") = "6"
    & skf18("7","7","4","2","1","6","1") = "6"
    & skf18("7","7","4","2","1","7","1") = "6"
    & skf18("7","7","4","2","1","8","1") = "7"
    & skf18("7","7","4","2","1","9","1") = "8"
    & skf18("7","7","4","2","1","10","1") = "9"
    & skf18("7","7","4","2","2","1","1") = "6"
    & skf18("7","7","4","2","2","2","1") = "6"
    & skf18("7","7","4","2","2","3","1") = "6"
    & skf18("7","7","4","2","2","4","1") = "6"
    & skf18("7","7","4","2","2","5","1") = "6"
    & skf18("7","7","4","2","2","6","1") = "6"
    & skf18("7","7","4","2","2","7","1") = "6"
    & skf18("7","7","4","2","2","8","1") = "7"
    & skf18("7","7","4","2","2","9","1") = "8"
    & skf18("7","7","4","2","2","10","1") = "9"
    & skf18("7","7","4","2","3","1","1") = "6"
    & skf18("7","7","4","2","3","2","1") = "6"
    & skf18("7","7","4","2","3","3","1") = "6"
    & skf18("7","7","4","2","3","4","1") = "6"
    & skf18("7","7","4","2","3","5","1") = "6"
    & skf18("7","7","4","2","3","6","1") = "6"
    & skf18("7","7","4","2","3","7","1") = "6"
    & skf18("7","7","4","2","3","8","1") = "7"
    & skf18("7","7","4","2","3","9","1") = "8"
    & skf18("7","7","4","2","3","10","1") = "9"
    & skf18("7","7","4","2","4","1","1") = "6"
    & skf18("7","7","4","2","4","2","1") = "6"
    & skf18("7","7","4","2","4","3","1") = "6"
    & skf18("7","7","4","2","4","4","1") = "6"
    & skf18("7","7","4","2","4","5","1") = "6"
    & skf18("7","7","4","2","4","6","1") = "6"
    & skf18("7","7","4","2","4","7","1") = "6"
    & skf18("7","7","4","2","4","8","1") = "7"
    & skf18("7","7","4","2","4","9","1") = "8"
    & skf18("7","7","4","2","4","10","1") = "9"
    & skf18("7","7","4","2","5","1","1") = "6"
    & skf18("7","7","4","2","5","2","1") = "6"
    & skf18("7","7","4","2","5","3","1") = "6"
    & skf18("7","7","4","2","5","4","1") = "6"
    & skf18("7","7","4","2","5","5","1") = "6"
    & skf18("7","7","4","2","5","6","1") = "6"
    & skf18("7","7","4","2","5","7","1") = "6"
    & skf18("7","7","4","2","5","8","1") = "7"
    & skf18("7","7","4","2","5","9","1") = "8"
    & skf18("7","7","4","2","5","10","1") = "9"
    & skf18("7","7","4","2","6","1","1") = "6"
    & skf18("7","7","4","2","6","2","1") = "6"
    & skf18("7","7","4","2","6","3","1") = "6"
    & skf18("7","7","4","2","6","4","1") = "6"
    & skf18("7","7","4","2","6","5","1") = "6"
    & skf18("7","7","4","2","6","6","1") = "6"
    & skf18("7","7","4","2","6","7","1") = "6"
    & skf18("7","7","4","2","6","8","1") = "7"
    & skf18("7","7","4","2","6","9","1") = "8"
    & skf18("7","7","4","2","6","10","1") = "9"
    & skf18("7","7","4","2","7","1","1") = "6"
    & skf18("7","7","4","2","7","2","1") = "6"
    & skf18("7","7","4","2","7","3","1") = "6"
    & skf18("7","7","4","2","7","4","1") = "6"
    & skf18("7","7","4","2","7","5","1") = "6"
    & skf18("7","7","4","2","7","6","1") = "6"
    & skf18("7","7","4","2","7","7","1") = "6"
    & skf18("7","7","4","2","7","8","1") = "7"
    & skf18("7","7","4","2","7","9","1") = "8"
    & skf18("7","7","4","2","7","10","1") = "9"
    & skf18("7","7","4","2","8","1","1") = "7"
    & skf18("7","7","4","2","8","2","1") = "7"
    & skf18("7","7","4","2","8","3","1") = "7"
    & skf18("7","7","4","2","8","4","1") = "7"
    & skf18("7","7","4","2","8","5","1") = "7"
    & skf18("7","7","4","2","8","6","1") = "7"
    & skf18("7","7","4","2","8","7","1") = "7"
    & skf18("7","7","4","2","8","8","1") = "7"
    & skf18("7","7","4","2","8","9","1") = "8"
    & skf18("7","7","4","2","8","10","1") = "9"
    & skf18("7","7","4","2","9","1","1") = "8"
    & skf18("7","7","4","2","9","2","1") = "8"
    & skf18("7","7","4","2","9","3","1") = "8"
    & skf18("7","7","4","2","9","4","1") = "8"
    & skf18("7","7","4","2","9","5","1") = "8"
    & skf18("7","7","4","2","9","6","1") = "8"
    & skf18("7","7","4","2","9","7","1") = "8"
    & skf18("7","7","4","2","9","8","1") = "8"
    & skf18("7","7","4","2","9","9","1") = "8"
    & skf18("7","7","4","2","9","10","1") = "9"
    & skf18("7","7","4","2","10","1","1") = "9"
    & skf18("7","7","4","2","10","2","1") = "9"
    & skf18("7","7","4","2","10","3","1") = "9"
    & skf18("7","7","4","2","10","4","1") = "9"
    & skf18("7","7","4","2","10","5","1") = "9"
    & skf18("7","7","4","2","10","6","1") = "9"
    & skf18("7","7","4","2","10","7","1") = "9"
    & skf18("7","7","4","2","10","8","1") = "9"
    & skf18("7","7","4","2","10","9","1") = "9"
    & skf18("7","7","4","2","10","10","1") = "9"
    & skf18("7","7","4","3","1","1","1") = "6"
    & skf18("7","7","4","3","1","2","1") = "6"
    & skf18("7","7","4","3","1","3","1") = "6"
    & skf18("7","7","4","3","1","4","1") = "6"
    & skf18("7","7","4","3","1","5","1") = "6"
    & skf18("7","7","4","3","1","6","1") = "6"
    & skf18("7","7","4","3","1","7","1") = "6"
    & skf18("7","7","4","3","1","8","1") = "7"
    & skf18("7","7","4","3","1","9","1") = "8"
    & skf18("7","7","4","3","1","10","1") = "9"
    & skf18("7","7","4","3","2","1","1") = "6"
    & skf18("7","7","4","3","2","2","1") = "6"
    & skf18("7","7","4","3","2","3","1") = "6"
    & skf18("7","7","4","3","2","4","1") = "6"
    & skf18("7","7","4","3","2","5","1") = "6"
    & skf18("7","7","4","3","2","6","1") = "6"
    & skf18("7","7","4","3","2","7","1") = "6"
    & skf18("7","7","4","3","2","8","1") = "7"
    & skf18("7","7","4","3","2","9","1") = "8"
    & skf18("7","7","4","3","2","10","1") = "9"
    & skf18("7","7","4","3","3","1","1") = "6"
    & skf18("7","7","4","3","3","2","1") = "6"
    & skf18("7","7","4","3","3","3","1") = "6"
    & skf18("7","7","4","3","3","4","1") = "6"
    & skf18("7","7","4","3","3","5","1") = "6"
    & skf18("7","7","4","3","3","6","1") = "6"
    & skf18("7","7","4","3","3","7","1") = "6"
    & skf18("7","7","4","3","3","8","1") = "7"
    & skf18("7","7","4","3","3","9","1") = "8"
    & skf18("7","7","4","3","3","10","1") = "9"
    & skf18("7","7","4","3","4","1","1") = "6"
    & skf18("7","7","4","3","4","2","1") = "6"
    & skf18("7","7","4","3","4","3","1") = "6"
    & skf18("7","7","4","3","4","4","1") = "6"
    & skf18("7","7","4","3","4","5","1") = "6"
    & skf18("7","7","4","3","4","6","1") = "6"
    & skf18("7","7","4","3","4","7","1") = "6"
    & skf18("7","7","4","3","4","8","1") = "7"
    & skf18("7","7","4","3","4","9","1") = "8"
    & skf18("7","7","4","3","4","10","1") = "9"
    & skf18("7","7","4","3","5","1","1") = "6"
    & skf18("7","7","4","3","5","2","1") = "6"
    & skf18("7","7","4","3","5","3","1") = "6"
    & skf18("7","7","4","3","5","4","1") = "6"
    & skf18("7","7","4","3","5","5","1") = "6"
    & skf18("7","7","4","3","5","6","1") = "6"
    & skf18("7","7","4","3","5","7","1") = "6"
    & skf18("7","7","4","3","5","8","1") = "7"
    & skf18("7","7","4","3","5","9","1") = "8"
    & skf18("7","7","4","3","5","10","1") = "9"
    & skf18("7","7","4","3","6","1","1") = "6"
    & skf18("7","7","4","3","6","2","1") = "6"
    & skf18("7","7","4","3","6","3","1") = "6"
    & skf18("7","7","4","3","6","4","1") = "6"
    & skf18("7","7","4","3","6","5","1") = "6"
    & skf18("7","7","4","3","6","6","1") = "6"
    & skf18("7","7","4","3","6","7","1") = "6"
    & skf18("7","7","4","3","6","8","1") = "7"
    & skf18("7","7","4","3","6","9","1") = "8"
    & skf18("7","7","4","3","6","10","1") = "9"
    & skf18("7","7","4","3","7","1","1") = "6"
    & skf18("7","7","4","3","7","2","1") = "6"
    & skf18("7","7","4","3","7","3","1") = "6"
    & skf18("7","7","4","3","7","4","1") = "6"
    & skf18("7","7","4","3","7","5","1") = "6"
    & skf18("7","7","4","3","7","6","1") = "6"
    & skf18("7","7","4","3","7","7","1") = "6"
    & skf18("7","7","4","3","7","8","1") = "7"
    & skf18("7","7","4","3","7","9","1") = "8"
    & skf18("7","7","4","3","7","10","1") = "9"
    & skf18("7","7","4","3","8","1","1") = "7"
    & skf18("7","7","4","3","8","2","1") = "7"
    & skf18("7","7","4","3","8","3","1") = "7"
    & skf18("7","7","4","3","8","4","1") = "7"
    & skf18("7","7","4","3","8","5","1") = "7"
    & skf18("7","7","4","3","8","6","1") = "7"
    & skf18("7","7","4","3","8","7","1") = "7"
    & skf18("7","7","4","3","8","8","1") = "7"
    & skf18("7","7","4","3","8","9","1") = "8"
    & skf18("7","7","4","3","8","10","1") = "9"
    & skf18("7","7","4","3","9","1","1") = "8"
    & skf18("7","7","4","3","9","2","1") = "8"
    & skf18("7","7","4","3","9","3","1") = "8"
    & skf18("7","7","4","3","9","4","1") = "8"
    & skf18("7","7","4","3","9","5","1") = "8"
    & skf18("7","7","4","3","9","6","1") = "8"
    & skf18("7","7","4","3","9","7","1") = "8"
    & skf18("7","7","4","3","9","8","1") = "8"
    & skf18("7","7","4","3","9","9","1") = "8"
    & skf18("7","7","4","3","9","10","1") = "9"
    & skf18("7","7","4","3","10","1","1") = "9"
    & skf18("7","7","4","3","10","2","1") = "9"
    & skf18("7","7","4","3","10","3","1") = "9"
    & skf18("7","7","4","3","10","4","1") = "9"
    & skf18("7","7","4","3","10","5","1") = "9"
    & skf18("7","7","4","3","10","6","1") = "9"
    & skf18("7","7","4","3","10","7","1") = "9"
    & skf18("7","7","4","3","10","8","1") = "9"
    & skf18("7","7","4","3","10","9","1") = "9"
    & skf18("7","7","4","3","10","10","1") = "9"
    & skf18("7","7","4","4","1","1","1") = "6"
    & skf18("7","7","4","4","1","2","1") = "6"
    & skf18("7","7","4","4","1","3","1") = "6"
    & skf18("7","7","4","4","1","4","1") = "6"
    & skf18("7","7","4","4","1","5","1") = "6"
    & skf18("7","7","4","4","1","6","1") = "6"
    & skf18("7","7","4","4","1","7","1") = "6"
    & skf18("7","7","4","4","1","8","1") = "7"
    & skf18("7","7","4","4","1","9","1") = "8"
    & skf18("7","7","4","4","1","10","1") = "9"
    & skf18("7","7","4","4","2","1","1") = "6"
    & skf18("7","7","4","4","2","2","1") = "6"
    & skf18("7","7","4","4","2","3","1") = "6"
    & skf18("7","7","4","4","2","4","1") = "6"
    & skf18("7","7","4","4","2","5","1") = "6"
    & skf18("7","7","4","4","2","6","1") = "6"
    & skf18("7","7","4","4","2","7","1") = "6"
    & skf18("7","7","4","4","2","8","1") = "7"
    & skf18("7","7","4","4","2","9","1") = "8"
    & skf18("7","7","4","4","2","10","1") = "9"
    & skf18("7","7","4","4","3","1","1") = "6"
    & skf18("7","7","4","4","3","2","1") = "6"
    & skf18("7","7","4","4","3","3","1") = "6"
    & skf18("7","7","4","4","3","4","1") = "6"
    & skf18("7","7","4","4","3","5","1") = "6"
    & skf18("7","7","4","4","3","6","1") = "6"
    & skf18("7","7","4","4","3","7","1") = "6"
    & skf18("7","7","4","4","3","8","1") = "7"
    & skf18("7","7","4","4","3","9","1") = "8"
    & skf18("7","7","4","4","3","10","1") = "9"
    & skf18("7","7","4","4","4","1","1") = "6"
    & skf18("7","7","4","4","4","2","1") = "6"
    & skf18("7","7","4","4","4","3","1") = "6"
    & skf18("7","7","4","4","4","4","1") = "6"
    & skf18("7","7","4","4","4","5","1") = "6"
    & skf18("7","7","4","4","4","6","1") = "6"
    & skf18("7","7","4","4","4","7","1") = "6"
    & skf18("7","7","4","4","4","8","1") = "7"
    & skf18("7","7","4","4","4","9","1") = "8"
    & skf18("7","7","4","4","4","10","1") = "9"
    & skf18("7","7","4","4","5","1","1") = "6"
    & skf18("7","7","4","4","5","2","1") = "6"
    & skf18("7","7","4","4","5","3","1") = "6"
    & skf18("7","7","4","4","5","4","1") = "6"
    & skf18("7","7","4","4","5","5","1") = "6"
    & skf18("7","7","4","4","5","6","1") = "6"
    & skf18("7","7","4","4","5","7","1") = "6"
    & skf18("7","7","4","4","5","8","1") = "7"
    & skf18("7","7","4","4","5","9","1") = "8"
    & skf18("7","7","4","4","5","10","1") = "9"
    & skf18("7","7","4","4","6","1","1") = "6"
    & skf18("7","7","4","4","6","2","1") = "6"
    & skf18("7","7","4","4","6","3","1") = "6"
    & skf18("7","7","4","4","6","4","1") = "6"
    & skf18("7","7","4","4","6","5","1") = "6"
    & skf18("7","7","4","4","6","6","1") = "6"
    & skf18("7","7","4","4","6","7","1") = "6"
    & skf18("7","7","4","4","6","8","1") = "7"
    & skf18("7","7","4","4","6","9","1") = "8"
    & skf18("7","7","4","4","6","10","1") = "9"
    & skf18("7","7","4","4","7","1","1") = "6"
    & skf18("7","7","4","4","7","2","1") = "6"
    & skf18("7","7","4","4","7","3","1") = "6"
    & skf18("7","7","4","4","7","4","1") = "6"
    & skf18("7","7","4","4","7","5","1") = "6"
    & skf18("7","7","4","4","7","6","1") = "6"
    & skf18("7","7","4","4","7","7","1") = "6"
    & skf18("7","7","4","4","7","8","1") = "7"
    & skf18("7","7","4","4","7","9","1") = "8"
    & skf18("7","7","4","4","7","10","1") = "9"
    & skf18("7","7","4","4","8","1","1") = "7"
    & skf18("7","7","4","4","8","2","1") = "7"
    & skf18("7","7","4","4","8","3","1") = "7"
    & skf18("7","7","4","4","8","4","1") = "7"
    & skf18("7","7","4","4","8","5","1") = "7"
    & skf18("7","7","4","4","8","6","1") = "7"
    & skf18("7","7","4","4","8","7","1") = "7"
    & skf18("7","7","4","4","8","8","1") = "7"
    & skf18("7","7","4","4","8","9","1") = "8"
    & skf18("7","7","4","4","8","10","1") = "9"
    & skf18("7","7","4","4","9","1","1") = "8"
    & skf18("7","7","4","4","9","2","1") = "8"
    & skf18("7","7","4","4","9","3","1") = "8"
    & skf18("7","7","4","4","9","4","1") = "8"
    & skf18("7","7","4","4","9","5","1") = "8"
    & skf18("7","7","4","4","9","6","1") = "8"
    & skf18("7","7","4","4","9","7","1") = "8"
    & skf18("7","7","4","4","9","8","1") = "8"
    & skf18("7","7","4","4","9","9","1") = "8"
    & skf18("7","7","4","4","9","10","1") = "9"
    & skf18("7","7","4","4","10","1","1") = "9"
    & skf18("7","7","4","4","10","2","1") = "9"
    & skf18("7","7","4","4","10","3","1") = "9"
    & skf18("7","7","4","4","10","4","1") = "9"
    & skf18("7","7","4","4","10","5","1") = "9"
    & skf18("7","7","4","4","10","6","1") = "9"
    & skf18("7","7","4","4","10","7","1") = "9"
    & skf18("7","7","4","4","10","8","1") = "9"
    & skf18("7","7","4","4","10","9","1") = "9"
    & skf18("7","7","4","4","10","10","1") = "9"
    & skf18("7","7","4","5","1","1","1") = "6"
    & skf18("7","7","4","5","1","2","1") = "6"
    & skf18("7","7","4","5","1","3","1") = "6"
    & skf18("7","7","4","5","1","4","1") = "6"
    & skf18("7","7","4","5","1","5","1") = "6"
    & skf18("7","7","4","5","1","6","1") = "6"
    & skf18("7","7","4","5","1","7","1") = "6"
    & skf18("7","7","4","5","1","8","1") = "7"
    & skf18("7","7","4","5","1","9","1") = "8"
    & skf18("7","7","4","5","1","10","1") = "9"
    & skf18("7","7","4","5","2","1","1") = "6"
    & skf18("7","7","4","5","2","2","1") = "6"
    & skf18("7","7","4","5","2","3","1") = "6"
    & skf18("7","7","4","5","2","4","1") = "6"
    & skf18("7","7","4","5","2","5","1") = "6"
    & skf18("7","7","4","5","2","6","1") = "6"
    & skf18("7","7","4","5","2","7","1") = "6"
    & skf18("7","7","4","5","2","8","1") = "7"
    & skf18("7","7","4","5","2","9","1") = "8"
    & skf18("7","7","4","5","2","10","1") = "9"
    & skf18("7","7","4","5","3","1","1") = "6"
    & skf18("7","7","4","5","3","2","1") = "6"
    & skf18("7","7","4","5","3","3","1") = "6"
    & skf18("7","7","4","5","3","4","1") = "6"
    & skf18("7","7","4","5","3","5","1") = "6"
    & skf18("7","7","4","5","3","6","1") = "6"
    & skf18("7","7","4","5","3","7","1") = "6"
    & skf18("7","7","4","5","3","8","1") = "7"
    & skf18("7","7","4","5","3","9","1") = "8"
    & skf18("7","7","4","5","3","10","1") = "9"
    & skf18("7","7","4","5","4","1","1") = "6"
    & skf18("7","7","4","5","4","2","1") = "6"
    & skf18("7","7","4","5","4","3","1") = "6"
    & skf18("7","7","4","5","4","4","1") = "6"
    & skf18("7","7","4","5","4","5","1") = "6"
    & skf18("7","7","4","5","4","6","1") = "6"
    & skf18("7","7","4","5","4","7","1") = "6"
    & skf18("7","7","4","5","4","8","1") = "7"
    & skf18("7","7","4","5","4","9","1") = "8"
    & skf18("7","7","4","5","4","10","1") = "9"
    & skf18("7","7","4","5","5","1","1") = "6"
    & skf18("7","7","4","5","5","2","1") = "6"
    & skf18("7","7","4","5","5","3","1") = "6"
    & skf18("7","7","4","5","5","4","1") = "6"
    & skf18("7","7","4","5","5","5","1") = "6"
    & skf18("7","7","4","5","5","6","1") = "6"
    & skf18("7","7","4","5","5","7","1") = "6"
    & skf18("7","7","4","5","5","8","1") = "7"
    & skf18("7","7","4","5","5","9","1") = "8"
    & skf18("7","7","4","5","5","10","1") = "9"
    & skf18("7","7","4","5","6","1","1") = "6"
    & skf18("7","7","4","5","6","2","1") = "6"
    & skf18("7","7","4","5","6","3","1") = "6"
    & skf18("7","7","4","5","6","4","1") = "6"
    & skf18("7","7","4","5","6","5","1") = "6"
    & skf18("7","7","4","5","6","6","1") = "6"
    & skf18("7","7","4","5","6","7","1") = "6"
    & skf18("7","7","4","5","6","8","1") = "7"
    & skf18("7","7","4","5","6","9","1") = "8"
    & skf18("7","7","4","5","6","10","1") = "9"
    & skf18("7","7","4","5","7","1","1") = "6"
    & skf18("7","7","4","5","7","2","1") = "6"
    & skf18("7","7","4","5","7","3","1") = "6"
    & skf18("7","7","4","5","7","4","1") = "6"
    & skf18("7","7","4","5","7","5","1") = "6"
    & skf18("7","7","4","5","7","6","1") = "6"
    & skf18("7","7","4","5","7","7","1") = "6"
    & skf18("7","7","4","5","7","8","1") = "7"
    & skf18("7","7","4","5","7","9","1") = "8"
    & skf18("7","7","4","5","7","10","1") = "9"
    & skf18("7","7","4","5","8","1","1") = "7"
    & skf18("7","7","4","5","8","2","1") = "7"
    & skf18("7","7","4","5","8","3","1") = "7"
    & skf18("7","7","4","5","8","4","1") = "7"
    & skf18("7","7","4","5","8","5","1") = "7"
    & skf18("7","7","4","5","8","6","1") = "7"
    & skf18("7","7","4","5","8","7","1") = "7"
    & skf18("7","7","4","5","8","8","1") = "7"
    & skf18("7","7","4","5","8","9","1") = "8"
    & skf18("7","7","4","5","8","10","1") = "9"
    & skf18("7","7","4","5","9","1","1") = "8"
    & skf18("7","7","4","5","9","2","1") = "8"
    & skf18("7","7","4","5","9","3","1") = "8"
    & skf18("7","7","4","5","9","4","1") = "8"
    & skf18("7","7","4","5","9","5","1") = "8"
    & skf18("7","7","4","5","9","6","1") = "8"
    & skf18("7","7","4","5","9","7","1") = "8"
    & skf18("7","7","4","5","9","8","1") = "8"
    & skf18("7","7","4","5","9","9","1") = "8"
    & skf18("7","7","4","5","9","10","1") = "9"
    & skf18("7","7","4","5","10","1","1") = "9"
    & skf18("7","7","4","5","10","2","1") = "9"
    & skf18("7","7","4","5","10","3","1") = "9"
    & skf18("7","7","4","5","10","4","1") = "9"
    & skf18("7","7","4","5","10","5","1") = "9"
    & skf18("7","7","4","5","10","6","1") = "9"
    & skf18("7","7","4","5","10","7","1") = "9"
    & skf18("7","7","4","5","10","8","1") = "9"
    & skf18("7","7","4","5","10","9","1") = "9"
    & skf18("7","7","4","5","10","10","1") = "9"
    & skf18("7","7","4","6","1","1","1") = "6"
    & skf18("7","7","4","6","1","2","1") = "6"
    & skf18("7","7","4","6","1","3","1") = "6"
    & skf18("7","7","4","6","1","4","1") = "6"
    & skf18("7","7","4","6","1","5","1") = "6"
    & skf18("7","7","4","6","1","6","1") = "6"
    & skf18("7","7","4","6","1","7","1") = "6"
    & skf18("7","7","4","6","1","8","1") = "7"
    & skf18("7","7","4","6","1","9","1") = "8"
    & skf18("7","7","4","6","1","10","1") = "9"
    & skf18("7","7","4","6","2","1","1") = "6"
    & skf18("7","7","4","6","2","2","1") = "6"
    & skf18("7","7","4","6","2","3","1") = "6"
    & skf18("7","7","4","6","2","4","1") = "6"
    & skf18("7","7","4","6","2","5","1") = "6"
    & skf18("7","7","4","6","2","6","1") = "6"
    & skf18("7","7","4","6","2","7","1") = "6"
    & skf18("7","7","4","6","2","8","1") = "7"
    & skf18("7","7","4","6","2","9","1") = "8"
    & skf18("7","7","4","6","2","10","1") = "9"
    & skf18("7","7","4","6","3","1","1") = "6"
    & skf18("7","7","4","6","3","2","1") = "6"
    & skf18("7","7","4","6","3","3","1") = "6"
    & skf18("7","7","4","6","3","4","1") = "6"
    & skf18("7","7","4","6","3","5","1") = "6"
    & skf18("7","7","4","6","3","6","1") = "6"
    & skf18("7","7","4","6","3","7","1") = "6"
    & skf18("7","7","4","6","3","8","1") = "7"
    & skf18("7","7","4","6","3","9","1") = "8"
    & skf18("7","7","4","6","3","10","1") = "9"
    & skf18("7","7","4","6","4","1","1") = "6"
    & skf18("7","7","4","6","4","2","1") = "6"
    & skf18("7","7","4","6","4","3","1") = "6"
    & skf18("7","7","4","6","4","4","1") = "6"
    & skf18("7","7","4","6","4","5","1") = "6"
    & skf18("7","7","4","6","4","6","1") = "6"
    & skf18("7","7","4","6","4","7","1") = "6"
    & skf18("7","7","4","6","4","8","1") = "7"
    & skf18("7","7","4","6","4","9","1") = "8"
    & skf18("7","7","4","6","4","10","1") = "9"
    & skf18("7","7","4","6","5","1","1") = "6"
    & skf18("7","7","4","6","5","2","1") = "6"
    & skf18("7","7","4","6","5","3","1") = "6"
    & skf18("7","7","4","6","5","4","1") = "6"
    & skf18("7","7","4","6","5","5","1") = "6"
    & skf18("7","7","4","6","5","6","1") = "6"
    & skf18("7","7","4","6","5","7","1") = "6"
    & skf18("7","7","4","6","5","8","1") = "7"
    & skf18("7","7","4","6","5","9","1") = "8"
    & skf18("7","7","4","6","5","10","1") = "9"
    & skf18("7","7","4","6","6","1","1") = "6"
    & skf18("7","7","4","6","6","2","1") = "6"
    & skf18("7","7","4","6","6","3","1") = "6"
    & skf18("7","7","4","6","6","4","1") = "6"
    & skf18("7","7","4","6","6","5","1") = "6"
    & skf18("7","7","4","6","6","6","1") = "6"
    & skf18("7","7","4","6","6","7","1") = "6"
    & skf18("7","7","4","6","6","8","1") = "7"
    & skf18("7","7","4","6","6","9","1") = "8"
    & skf18("7","7","4","6","6","10","1") = "9"
    & skf18("7","7","4","6","7","1","1") = "6"
    & skf18("7","7","4","6","7","2","1") = "6"
    & skf18("7","7","4","6","7","3","1") = "6"
    & skf18("7","7","4","6","7","4","1") = "6"
    & skf18("7","7","4","6","7","5","1") = "6"
    & skf18("7","7","4","6","7","6","1") = "6"
    & skf18("7","7","4","6","7","7","1") = "6"
    & skf18("7","7","4","6","7","8","1") = "7"
    & skf18("7","7","4","6","7","9","1") = "8"
    & skf18("7","7","4","6","7","10","1") = "9"
    & skf18("7","7","4","6","8","1","1") = "7"
    & skf18("7","7","4","6","8","2","1") = "7"
    & skf18("7","7","4","6","8","3","1") = "7"
    & skf18("7","7","4","6","8","4","1") = "7"
    & skf18("7","7","4","6","8","5","1") = "7"
    & skf18("7","7","4","6","8","6","1") = "7"
    & skf18("7","7","4","6","8","7","1") = "7"
    & skf18("7","7","4","6","8","8","1") = "7"
    & skf18("7","7","4","6","8","9","1") = "8"
    & skf18("7","7","4","6","8","10","1") = "9"
    & skf18("7","7","4","6","9","1","1") = "8"
    & skf18("7","7","4","6","9","2","1") = "8"
    & skf18("7","7","4","6","9","3","1") = "8"
    & skf18("7","7","4","6","9","4","1") = "8"
    & skf18("7","7","4","6","9","5","1") = "8"
    & skf18("7","7","4","6","9","6","1") = "8"
    & skf18("7","7","4","6","9","7","1") = "8"
    & skf18("7","7","4","6","9","8","1") = "8"
    & skf18("7","7","4","6","9","9","1") = "8"
    & skf18("7","7","4","6","9","10","1") = "9"
    & skf18("7","7","4","6","10","1","1") = "9"
    & skf18("7","7","4","6","10","2","1") = "9"
    & skf18("7","7","4","6","10","3","1") = "9"
    & skf18("7","7","4","6","10","4","1") = "9"
    & skf18("7","7","4","6","10","5","1") = "9"
    & skf18("7","7","4","6","10","6","1") = "9"
    & skf18("7","7","4","6","10","7","1") = "9"
    & skf18("7","7","4","6","10","8","1") = "9"
    & skf18("7","7","4","6","10","9","1") = "9"
    & skf18("7","7","4","6","10","10","1") = "9"
    & skf18("7","7","4","7","1","1","1") = "6"
    & skf18("7","7","4","7","1","2","1") = "6"
    & skf18("7","7","4","7","1","3","1") = "6"
    & skf18("7","7","4","7","1","4","1") = "6"
    & skf18("7","7","4","7","1","5","1") = "6"
    & skf18("7","7","4","7","1","6","1") = "6"
    & skf18("7","7","4","7","1","7","1") = "6"
    & skf18("7","7","4","7","1","8","1") = "7"
    & skf18("7","7","4","7","1","9","1") = "8"
    & skf18("7","7","4","7","1","10","1") = "9"
    & skf18("7","7","4","7","2","1","1") = "6"
    & skf18("7","7","4","7","2","2","1") = "6"
    & skf18("7","7","4","7","2","3","1") = "6"
    & skf18("7","7","4","7","2","4","1") = "6"
    & skf18("7","7","4","7","2","5","1") = "6"
    & skf18("7","7","4","7","2","6","1") = "6"
    & skf18("7","7","4","7","2","7","1") = "6"
    & skf18("7","7","4","7","2","8","1") = "7"
    & skf18("7","7","4","7","2","9","1") = "8"
    & skf18("7","7","4","7","2","10","1") = "9"
    & skf18("7","7","4","7","3","1","1") = "6"
    & skf18("7","7","4","7","3","2","1") = "6"
    & skf18("7","7","4","7","3","3","1") = "6"
    & skf18("7","7","4","7","3","4","1") = "6"
    & skf18("7","7","4","7","3","5","1") = "6"
    & skf18("7","7","4","7","3","6","1") = "6"
    & skf18("7","7","4","7","3","7","1") = "6"
    & skf18("7","7","4","7","3","8","1") = "7"
    & skf18("7","7","4","7","3","9","1") = "8"
    & skf18("7","7","4","7","3","10","1") = "9"
    & skf18("7","7","4","7","4","1","1") = "6"
    & skf18("7","7","4","7","4","2","1") = "6"
    & skf18("7","7","4","7","4","3","1") = "6"
    & skf18("7","7","4","7","4","4","1") = "6"
    & skf18("7","7","4","7","4","5","1") = "6"
    & skf18("7","7","4","7","4","6","1") = "6"
    & skf18("7","7","4","7","4","7","1") = "6"
    & skf18("7","7","4","7","4","8","1") = "7"
    & skf18("7","7","4","7","4","9","1") = "8"
    & skf18("7","7","4","7","4","10","1") = "9"
    & skf18("7","7","4","7","5","1","1") = "6"
    & skf18("7","7","4","7","5","2","1") = "6"
    & skf18("7","7","4","7","5","3","1") = "6"
    & skf18("7","7","4","7","5","4","1") = "6"
    & skf18("7","7","4","7","5","5","1") = "6"
    & skf18("7","7","4","7","5","6","1") = "6"
    & skf18("7","7","4","7","5","7","1") = "6"
    & skf18("7","7","4","7","5","8","1") = "7"
    & skf18("7","7","4","7","5","9","1") = "8"
    & skf18("7","7","4","7","5","10","1") = "9"
    & skf18("7","7","4","7","6","1","1") = "6"
    & skf18("7","7","4","7","6","2","1") = "6"
    & skf18("7","7","4","7","6","3","1") = "6"
    & skf18("7","7","4","7","6","4","1") = "6"
    & skf18("7","7","4","7","6","5","1") = "6"
    & skf18("7","7","4","7","6","6","1") = "6"
    & skf18("7","7","4","7","6","7","1") = "6"
    & skf18("7","7","4","7","6","8","1") = "7"
    & skf18("7","7","4","7","6","9","1") = "8"
    & skf18("7","7","4","7","6","10","1") = "9"
    & skf18("7","7","4","7","7","1","1") = "6"
    & skf18("7","7","4","7","7","2","1") = "6"
    & skf18("7","7","4","7","7","3","1") = "6"
    & skf18("7","7","4","7","7","4","1") = "6"
    & skf18("7","7","4","7","7","5","1") = "6"
    & skf18("7","7","4","7","7","6","1") = "6"
    & skf18("7","7","4","7","7","7","1") = "6"
    & skf18("7","7","4","7","7","8","1") = "7"
    & skf18("7","7","4","7","7","9","1") = "8"
    & skf18("7","7","4","7","7","10","1") = "9"
    & skf18("7","7","4","7","8","1","1") = "7"
    & skf18("7","7","4","7","8","2","1") = "7"
    & skf18("7","7","4","7","8","3","1") = "7"
    & skf18("7","7","4","7","8","4","1") = "7"
    & skf18("7","7","4","7","8","5","1") = "7"
    & skf18("7","7","4","7","8","6","1") = "7"
    & skf18("7","7","4","7","8","7","1") = "7"
    & skf18("7","7","4","7","8","8","1") = "7"
    & skf18("7","7","4","7","8","9","1") = "8"
    & skf18("7","7","4","7","8","10","1") = "9"
    & skf18("7","7","4","7","9","1","1") = "8"
    & skf18("7","7","4","7","9","2","1") = "8"
    & skf18("7","7","4","7","9","3","1") = "8"
    & skf18("7","7","4","7","9","4","1") = "8"
    & skf18("7","7","4","7","9","5","1") = "8"
    & skf18("7","7","4","7","9","6","1") = "8"
    & skf18("7","7","4","7","9","7","1") = "8"
    & skf18("7","7","4","7","9","8","1") = "8"
    & skf18("7","7","4","7","9","9","1") = "8"
    & skf18("7","7","4","7","9","10","1") = "9"
    & skf18("7","7","4","7","10","1","1") = "9"
    & skf18("7","7","4","7","10","2","1") = "9"
    & skf18("7","7","4","7","10","3","1") = "9"
    & skf18("7","7","4","7","10","4","1") = "9"
    & skf18("7","7","4","7","10","5","1") = "9"
    & skf18("7","7","4","7","10","6","1") = "9"
    & skf18("7","7","4","7","10","7","1") = "9"
    & skf18("7","7","4","7","10","8","1") = "9"
    & skf18("7","7","4","7","10","9","1") = "9"
    & skf18("7","7","4","7","10","10","1") = "9"
    & skf18("7","7","4","8","1","1","1") = "7"
    & skf18("7","7","4","8","1","2","1") = "7"
    & skf18("7","7","4","8","1","3","1") = "7"
    & skf18("7","7","4","8","1","4","1") = "7"
    & skf18("7","7","4","8","1","5","1") = "7"
    & skf18("7","7","4","8","1","6","1") = "7"
    & skf18("7","7","4","8","1","7","1") = "7"
    & skf18("7","7","4","8","1","8","1") = "7"
    & skf18("7","7","4","8","1","9","1") = "8"
    & skf18("7","7","4","8","1","10","1") = "9"
    & skf18("7","7","4","8","2","1","1") = "7"
    & skf18("7","7","4","8","2","2","1") = "7"
    & skf18("7","7","4","8","2","3","1") = "7"
    & skf18("7","7","4","8","2","4","1") = "7"
    & skf18("7","7","4","8","2","5","1") = "7"
    & skf18("7","7","4","8","2","6","1") = "7"
    & skf18("7","7","4","8","2","7","1") = "7"
    & skf18("7","7","4","8","2","8","1") = "7"
    & skf18("7","7","4","8","2","9","1") = "8"
    & skf18("7","7","4","8","2","10","1") = "9"
    & skf18("7","7","4","8","3","1","1") = "7"
    & skf18("7","7","4","8","3","2","1") = "7"
    & skf18("7","7","4","8","3","3","1") = "7"
    & skf18("7","7","4","8","3","4","1") = "7"
    & skf18("7","7","4","8","3","5","1") = "7"
    & skf18("7","7","4","8","3","6","1") = "7"
    & skf18("7","7","4","8","3","7","1") = "7"
    & skf18("7","7","4","8","3","8","1") = "7"
    & skf18("7","7","4","8","3","9","1") = "8"
    & skf18("7","7","4","8","3","10","1") = "9"
    & skf18("7","7","4","8","4","1","1") = "7"
    & skf18("7","7","4","8","4","2","1") = "7"
    & skf18("7","7","4","8","4","3","1") = "7"
    & skf18("7","7","4","8","4","4","1") = "7"
    & skf18("7","7","4","8","4","5","1") = "7"
    & skf18("7","7","4","8","4","6","1") = "7"
    & skf18("7","7","4","8","4","7","1") = "7"
    & skf18("7","7","4","8","4","8","1") = "7"
    & skf18("7","7","4","8","4","9","1") = "8"
    & skf18("7","7","4","8","4","10","1") = "9"
    & skf18("7","7","4","8","5","1","1") = "7"
    & skf18("7","7","4","8","5","2","1") = "7"
    & skf18("7","7","4","8","5","3","1") = "7"
    & skf18("7","7","4","8","5","4","1") = "7"
    & skf18("7","7","4","8","5","5","1") = "7"
    & skf18("7","7","4","8","5","6","1") = "7"
    & skf18("7","7","4","8","5","7","1") = "7"
    & skf18("7","7","4","8","5","8","1") = "7"
    & skf18("7","7","4","8","5","9","1") = "8"
    & skf18("7","7","4","8","5","10","1") = "9"
    & skf18("7","7","4","8","6","1","1") = "7"
    & skf18("7","7","4","8","6","2","1") = "7"
    & skf18("7","7","4","8","6","3","1") = "7"
    & skf18("7","7","4","8","6","4","1") = "7"
    & skf18("7","7","4","8","6","5","1") = "7"
    & skf18("7","7","4","8","6","6","1") = "7"
    & skf18("7","7","4","8","6","7","1") = "7"
    & skf18("7","7","4","8","6","8","1") = "7"
    & skf18("7","7","4","8","6","9","1") = "8"
    & skf18("7","7","4","8","6","10","1") = "9"
    & skf18("7","7","4","8","7","1","1") = "7"
    & skf18("7","7","4","8","7","2","1") = "7"
    & skf18("7","7","4","8","7","3","1") = "7"
    & skf18("7","7","4","8","7","4","1") = "7"
    & skf18("7","7","4","8","7","5","1") = "7"
    & skf18("7","7","4","8","7","6","1") = "7"
    & skf18("7","7","4","8","7","7","1") = "7"
    & skf18("7","7","4","8","7","8","1") = "7"
    & skf18("7","7","4","8","7","9","1") = "8"
    & skf18("7","7","4","8","7","10","1") = "9"
    & skf18("7","7","4","8","8","1","1") = "7"
    & skf18("7","7","4","8","8","2","1") = "7"
    & skf18("7","7","4","8","8","3","1") = "7"
    & skf18("7","7","4","8","8","4","1") = "7"
    & skf18("7","7","4","8","8","5","1") = "7"
    & skf18("7","7","4","8","8","6","1") = "7"
    & skf18("7","7","4","8","8","7","1") = "7"
    & skf18("7","7","4","8","8","8","1") = "7"
    & skf18("7","7","4","8","8","9","1") = "8"
    & skf18("7","7","4","8","8","10","1") = "9"
    & skf18("7","7","4","8","9","1","1") = "8"
    & skf18("7","7","4","8","9","2","1") = "8"
    & skf18("7","7","4","8","9","3","1") = "8"
    & skf18("7","7","4","8","9","4","1") = "8"
    & skf18("7","7","4","8","9","5","1") = "8"
    & skf18("7","7","4","8","9","6","1") = "8"
    & skf18("7","7","4","8","9","7","1") = "8"
    & skf18("7","7","4","8","9","8","1") = "8"
    & skf18("7","7","4","8","9","9","1") = "8"
    & skf18("7","7","4","8","9","10","1") = "9"
    & skf18("7","7","4","8","10","1","1") = "9"
    & skf18("7","7","4","8","10","2","1") = "9"
    & skf18("7","7","4","8","10","3","1") = "9"
    & skf18("7","7","4","8","10","4","1") = "9"
    & skf18("7","7","4","8","10","5","1") = "9"
    & skf18("7","7","4","8","10","6","1") = "9"
    & skf18("7","7","4","8","10","7","1") = "9"
    & skf18("7","7","4","8","10","8","1") = "9"
    & skf18("7","7","4","8","10","9","1") = "9"
    & skf18("7","7","4","8","10","10","1") = "9"
    & skf18("7","7","4","9","1","1","1") = "8"
    & skf18("7","7","4","9","1","2","1") = "8"
    & skf18("7","7","4","9","1","3","1") = "8"
    & skf18("7","7","4","9","1","4","1") = "8"
    & skf18("7","7","4","9","1","5","1") = "8"
    & skf18("7","7","4","9","1","6","1") = "8"
    & skf18("7","7","4","9","1","7","1") = "8"
    & skf18("7","7","4","9","1","8","1") = "8"
    & skf18("7","7","4","9","1","9","1") = "8"
    & skf18("7","7","4","9","1","10","1") = "9"
    & skf18("7","7","4","9","2","1","1") = "8"
    & skf18("7","7","4","9","2","2","1") = "8"
    & skf18("7","7","4","9","2","3","1") = "8"
    & skf18("7","7","4","9","2","4","1") = "8"
    & skf18("7","7","4","9","2","5","1") = "8"
    & skf18("7","7","4","9","2","6","1") = "8"
    & skf18("7","7","4","9","2","7","1") = "8"
    & skf18("7","7","4","9","2","8","1") = "8"
    & skf18("7","7","4","9","2","9","1") = "8"
    & skf18("7","7","4","9","2","10","1") = "9"
    & skf18("7","7","4","9","3","1","1") = "8"
    & skf18("7","7","4","9","3","2","1") = "8"
    & skf18("7","7","4","9","3","3","1") = "8"
    & skf18("7","7","4","9","3","4","1") = "8"
    & skf18("7","7","4","9","3","5","1") = "8"
    & skf18("7","7","4","9","3","6","1") = "8"
    & skf18("7","7","4","9","3","7","1") = "8"
    & skf18("7","7","4","9","3","8","1") = "8"
    & skf18("7","7","4","9","3","9","1") = "8"
    & skf18("7","7","4","9","3","10","1") = "9"
    & skf18("7","7","4","9","4","1","1") = "8"
    & skf18("7","7","4","9","4","2","1") = "8"
    & skf18("7","7","4","9","4","3","1") = "8"
    & skf18("7","7","4","9","4","4","1") = "8"
    & skf18("7","7","4","9","4","5","1") = "8"
    & skf18("7","7","4","9","4","6","1") = "8"
    & skf18("7","7","4","9","4","7","1") = "8"
    & skf18("7","7","4","9","4","8","1") = "8"
    & skf18("7","7","4","9","4","9","1") = "8"
    & skf18("7","7","4","9","4","10","1") = "9"
    & skf18("7","7","4","9","5","1","1") = "8"
    & skf18("7","7","4","9","5","2","1") = "8"
    & skf18("7","7","4","9","5","3","1") = "8"
    & skf18("7","7","4","9","5","4","1") = "8"
    & skf18("7","7","4","9","5","5","1") = "8"
    & skf18("7","7","4","9","5","6","1") = "8"
    & skf18("7","7","4","9","5","7","1") = "8"
    & skf18("7","7","4","9","5","8","1") = "8"
    & skf18("7","7","4","9","5","9","1") = "8"
    & skf18("7","7","4","9","5","10","1") = "9"
    & skf18("7","7","4","9","6","1","1") = "8"
    & skf18("7","7","4","9","6","2","1") = "8"
    & skf18("7","7","4","9","6","3","1") = "8"
    & skf18("7","7","4","9","6","4","1") = "8"
    & skf18("7","7","4","9","6","5","1") = "8"
    & skf18("7","7","4","9","6","6","1") = "8"
    & skf18("7","7","4","9","6","7","1") = "8"
    & skf18("7","7","4","9","6","8","1") = "8"
    & skf18("7","7","4","9","6","9","1") = "8"
    & skf18("7","7","4","9","6","10","1") = "9"
    & skf18("7","7","4","9","7","1","1") = "8"
    & skf18("7","7","4","9","7","2","1") = "8"
    & skf18("7","7","4","9","7","3","1") = "8"
    & skf18("7","7","4","9","7","4","1") = "8"
    & skf18("7","7","4","9","7","5","1") = "8"
    & skf18("7","7","4","9","7","6","1") = "8"
    & skf18("7","7","4","9","7","7","1") = "8"
    & skf18("7","7","4","9","7","8","1") = "8"
    & skf18("7","7","4","9","7","9","1") = "8"
    & skf18("7","7","4","9","7","10","1") = "9"
    & skf18("7","7","4","9","8","1","1") = "8"
    & skf18("7","7","4","9","8","2","1") = "8"
    & skf18("7","7","4","9","8","3","1") = "8"
    & skf18("7","7","4","9","8","4","1") = "8"
    & skf18("7","7","4","9","8","5","1") = "8"
    & skf18("7","7","4","9","8","6","1") = "8"
    & skf18("7","7","4","9","8","7","1") = "8"
    & skf18("7","7","4","9","8","8","1") = "8"
    & skf18("7","7","4","9","8","9","1") = "8"
    & skf18("7","7","4","9","8","10","1") = "9"
    & skf18("7","7","4","9","9","1","1") = "8"
    & skf18("7","7","4","9","9","2","1") = "8"
    & skf18("7","7","4","9","9","3","1") = "8"
    & skf18("7","7","4","9","9","4","1") = "8"
    & skf18("7","7","4","9","9","5","1") = "8"
    & skf18("7","7","4","9","9","6","1") = "8"
    & skf18("7","7","4","9","9","7","1") = "8"
    & skf18("7","7","4","9","9","8","1") = "8"
    & skf18("7","7","4","9","9","9","1") = "8"
    & skf18("7","7","4","9","9","10","1") = "9"
    & skf18("7","7","4","9","10","1","1") = "9"
    & skf18("7","7","4","9","10","2","1") = "9"
    & skf18("7","7","4","9","10","3","1") = "9"
    & skf18("7","7","4","9","10","4","1") = "9"
    & skf18("7","7","4","9","10","5","1") = "9"
    & skf18("7","7","4","9","10","6","1") = "9"
    & skf18("7","7","4","9","10","7","1") = "9"
    & skf18("7","7","4","9","10","8","1") = "9"
    & skf18("7","7","4","9","10","9","1") = "9"
    & skf18("7","7","4","9","10","10","1") = "9"
    & skf18("7","7","4","10","1","1","1") = "9"
    & skf18("7","7","4","10","1","2","1") = "9"
    & skf18("7","7","4","10","1","3","1") = "9"
    & skf18("7","7","4","10","1","4","1") = "9"
    & skf18("7","7","4","10","1","5","1") = "9"
    & skf18("7","7","4","10","1","6","1") = "9"
    & skf18("7","7","4","10","1","7","1") = "9"
    & skf18("7","7","4","10","1","8","1") = "9"
    & skf18("7","7","4","10","1","9","1") = "9"
    & skf18("7","7","4","10","1","10","1") = "9"
    & skf18("7","7","4","10","2","1","1") = "9"
    & skf18("7","7","4","10","2","2","1") = "9"
    & skf18("7","7","4","10","2","3","1") = "9"
    & skf18("7","7","4","10","2","4","1") = "9"
    & skf18("7","7","4","10","2","5","1") = "9"
    & skf18("7","7","4","10","2","6","1") = "9"
    & skf18("7","7","4","10","2","7","1") = "9"
    & skf18("7","7","4","10","2","8","1") = "9"
    & skf18("7","7","4","10","2","9","1") = "9"
    & skf18("7","7","4","10","2","10","1") = "9"
    & skf18("7","7","4","10","3","1","1") = "9"
    & skf18("7","7","4","10","3","2","1") = "9"
    & skf18("7","7","4","10","3","3","1") = "9"
    & skf18("7","7","4","10","3","4","1") = "9"
    & skf18("7","7","4","10","3","5","1") = "9"
    & skf18("7","7","4","10","3","6","1") = "9"
    & skf18("7","7","4","10","3","7","1") = "9"
    & skf18("7","7","4","10","3","8","1") = "9"
    & skf18("7","7","4","10","3","9","1") = "9"
    & skf18("7","7","4","10","3","10","1") = "9"
    & skf18("7","7","4","10","4","1","1") = "9"
    & skf18("7","7","4","10","4","2","1") = "9"
    & skf18("7","7","4","10","4","3","1") = "9"
    & skf18("7","7","4","10","4","4","1") = "9"
    & skf18("7","7","4","10","4","5","1") = "9"
    & skf18("7","7","4","10","4","6","1") = "9"
    & skf18("7","7","4","10","4","7","1") = "9"
    & skf18("7","7","4","10","4","8","1") = "9"
    & skf18("7","7","4","10","4","9","1") = "9"
    & skf18("7","7","4","10","4","10","1") = "9"
    & skf18("7","7","4","10","5","1","1") = "9"
    & skf18("7","7","4","10","5","2","1") = "9"
    & skf18("7","7","4","10","5","3","1") = "9"
    & skf18("7","7","4","10","5","4","1") = "9"
    & skf18("7","7","4","10","5","5","1") = "9"
    & skf18("7","7","4","10","5","6","1") = "9"
    & skf18("7","7","4","10","5","7","1") = "9"
    & skf18("7","7","4","10","5","8","1") = "9"
    & skf18("7","7","4","10","5","9","1") = "9"
    & skf18("7","7","4","10","5","10","1") = "9"
    & skf18("7","7","4","10","6","1","1") = "9"
    & skf18("7","7","4","10","6","2","1") = "9"
    & skf18("7","7","4","10","6","3","1") = "9"
    & skf18("7","7","4","10","6","4","1") = "9"
    & skf18("7","7","4","10","6","5","1") = "9"
    & skf18("7","7","4","10","6","6","1") = "9"
    & skf18("7","7","4","10","6","7","1") = "9"
    & skf18("7","7","4","10","6","8","1") = "9"
    & skf18("7","7","4","10","6","9","1") = "9"
    & skf18("7","7","4","10","6","10","1") = "9"
    & skf18("7","7","4","10","7","1","1") = "9"
    & skf18("7","7","4","10","7","2","1") = "9"
    & skf18("7","7","4","10","7","3","1") = "9"
    & skf18("7","7","4","10","7","4","1") = "9"
    & skf18("7","7","4","10","7","5","1") = "9"
    & skf18("7","7","4","10","7","6","1") = "9"
    & skf18("7","7","4","10","7","7","1") = "9"
    & skf18("7","7","4","10","7","8","1") = "9"
    & skf18("7","7","4","10","7","9","1") = "9"
    & skf18("7","7","4","10","7","10","1") = "9"
    & skf18("7","7","4","10","8","1","1") = "9"
    & skf18("7","7","4","10","8","2","1") = "9"
    & skf18("7","7","4","10","8","3","1") = "9"
    & skf18("7","7","4","10","8","4","1") = "9"
    & skf18("7","7","4","10","8","5","1") = "9"
    & skf18("7","7","4","10","8","6","1") = "9"
    & skf18("7","7","4","10","8","7","1") = "9"
    & skf18("7","7","4","10","8","8","1") = "9"
    & skf18("7","7","4","10","8","9","1") = "9"
    & skf18("7","7","4","10","8","10","1") = "9"
    & skf18("7","7","4","10","9","1","1") = "9"
    & skf18("7","7","4","10","9","2","1") = "9"
    & skf18("7","7","4","10","9","3","1") = "9"
    & skf18("7","7","4","10","9","4","1") = "9"
    & skf18("7","7","4","10","9","5","1") = "9"
    & skf18("7","7","4","10","9","6","1") = "9"
    & skf18("7","7","4","10","9","7","1") = "9"
    & skf18("7","7","4","10","9","8","1") = "9"
    & skf18("7","7","4","10","9","9","1") = "9"
    & skf18("7","7","4","10","9","10","1") = "9"
    & skf18("7","7","4","10","10","1","1") = "9"
    & skf18("7","7","4","10","10","2","1") = "9"
    & skf18("7","7","4","10","10","3","1") = "9"
    & skf18("7","7","4","10","10","4","1") = "9"
    & skf18("7","7","4","10","10","5","1") = "9"
    & skf18("7","7","4","10","10","6","1") = "9"
    & skf18("7","7","4","10","10","7","1") = "9"
    & skf18("7","7","4","10","10","8","1") = "9"
    & skf18("7","7","4","10","10","9","1") = "9"
    & skf18("7","7","4","10","10","10","1") = "9"
    & skf18("7","7","5","1","1","1","1") = "6"
    & skf18("7","7","5","1","1","2","1") = "6"
    & skf18("7","7","5","1","1","3","1") = "6"
    & skf18("7","7","5","1","1","4","1") = "6"
    & skf18("7","7","5","1","1","5","1") = "6"
    & skf18("7","7","5","1","1","6","1") = "6"
    & skf18("7","7","5","1","1","7","1") = "6"
    & skf18("7","7","5","1","1","8","1") = "7"
    & skf18("7","7","5","1","1","9","1") = "8"
    & skf18("7","7","5","1","1","10","1") = "9"
    & skf18("7","7","5","1","2","1","1") = "6"
    & skf18("7","7","5","1","2","2","1") = "6"
    & skf18("7","7","5","1","2","3","1") = "6"
    & skf18("7","7","5","1","2","4","1") = "6"
    & skf18("7","7","5","1","2","5","1") = "6"
    & skf18("7","7","5","1","2","6","1") = "6"
    & skf18("7","7","5","1","2","7","1") = "6"
    & skf18("7","7","5","1","2","8","1") = "7"
    & skf18("7","7","5","1","2","9","1") = "8"
    & skf18("7","7","5","1","2","10","1") = "9"
    & skf18("7","7","5","1","3","1","1") = "6"
    & skf18("7","7","5","1","3","2","1") = "6"
    & skf18("7","7","5","1","3","3","1") = "6"
    & skf18("7","7","5","1","3","4","1") = "6"
    & skf18("7","7","5","1","3","5","1") = "6"
    & skf18("7","7","5","1","3","6","1") = "6"
    & skf18("7","7","5","1","3","7","1") = "6"
    & skf18("7","7","5","1","3","8","1") = "7"
    & skf18("7","7","5","1","3","9","1") = "8"
    & skf18("7","7","5","1","3","10","1") = "9"
    & skf18("7","7","5","1","4","1","1") = "6"
    & skf18("7","7","5","1","4","2","1") = "6"
    & skf18("7","7","5","1","4","3","1") = "6"
    & skf18("7","7","5","1","4","4","1") = "6"
    & skf18("7","7","5","1","4","5","1") = "6"
    & skf18("7","7","5","1","4","6","1") = "6"
    & skf18("7","7","5","1","4","7","1") = "6"
    & skf18("7","7","5","1","4","8","1") = "7"
    & skf18("7","7","5","1","4","9","1") = "8"
    & skf18("7","7","5","1","4","10","1") = "9"
    & skf18("7","7","5","1","5","1","1") = "6"
    & skf18("7","7","5","1","5","2","1") = "6"
    & skf18("7","7","5","1","5","3","1") = "6"
    & skf18("7","7","5","1","5","4","1") = "6"
    & skf18("7","7","5","1","5","5","1") = "6"
    & skf18("7","7","5","1","5","6","1") = "6"
    & skf18("7","7","5","1","5","7","1") = "6"
    & skf18("7","7","5","1","5","8","1") = "7"
    & skf18("7","7","5","1","5","9","1") = "8"
    & skf18("7","7","5","1","5","10","1") = "9"
    & skf18("7","7","5","1","6","1","1") = "6"
    & skf18("7","7","5","1","6","2","1") = "6"
    & skf18("7","7","5","1","6","3","1") = "6"
    & skf18("7","7","5","1","6","4","1") = "6"
    & skf18("7","7","5","1","6","5","1") = "6"
    & skf18("7","7","5","1","6","6","1") = "6"
    & skf18("7","7","5","1","6","7","1") = "6"
    & skf18("7","7","5","1","6","8","1") = "7"
    & skf18("7","7","5","1","6","9","1") = "8"
    & skf18("7","7","5","1","6","10","1") = "9"
    & skf18("7","7","5","1","7","1","1") = "6"
    & skf18("7","7","5","1","7","2","1") = "6"
    & skf18("7","7","5","1","7","3","1") = "6"
    & skf18("7","7","5","1","7","4","1") = "6"
    & skf18("7","7","5","1","7","5","1") = "6"
    & skf18("7","7","5","1","7","6","1") = "6"
    & skf18("7","7","5","1","7","7","1") = "6"
    & skf18("7","7","5","1","7","8","1") = "7"
    & skf18("7","7","5","1","7","9","1") = "8"
    & skf18("7","7","5","1","7","10","1") = "9"
    & skf18("7","7","5","1","8","1","1") = "7"
    & skf18("7","7","5","1","8","2","1") = "7"
    & skf18("7","7","5","1","8","3","1") = "7"
    & skf18("7","7","5","1","8","4","1") = "7"
    & skf18("7","7","5","1","8","5","1") = "7"
    & skf18("7","7","5","1","8","6","1") = "7"
    & skf18("7","7","5","1","8","7","1") = "7"
    & skf18("7","7","5","1","8","8","1") = "7"
    & skf18("7","7","5","1","8","9","1") = "8"
    & skf18("7","7","5","1","8","10","1") = "9"
    & skf18("7","7","5","1","9","1","1") = "8"
    & skf18("7","7","5","1","9","2","1") = "8"
    & skf18("7","7","5","1","9","3","1") = "8"
    & skf18("7","7","5","1","9","4","1") = "8"
    & skf18("7","7","5","1","9","5","1") = "8"
    & skf18("7","7","5","1","9","6","1") = "8"
    & skf18("7","7","5","1","9","7","1") = "8"
    & skf18("7","7","5","1","9","8","1") = "8"
    & skf18("7","7","5","1","9","9","1") = "8"
    & skf18("7","7","5","1","9","10","1") = "9"
    & skf18("7","7","5","1","10","1","1") = "9"
    & skf18("7","7","5","1","10","2","1") = "9"
    & skf18("7","7","5","1","10","3","1") = "9"
    & skf18("7","7","5","1","10","4","1") = "9"
    & skf18("7","7","5","1","10","5","1") = "9"
    & skf18("7","7","5","1","10","6","1") = "9"
    & skf18("7","7","5","1","10","7","1") = "9"
    & skf18("7","7","5","1","10","8","1") = "9"
    & skf18("7","7","5","1","10","9","1") = "9"
    & skf18("7","7","5","1","10","10","1") = "9"
    & skf18("7","7","5","2","1","1","1") = "6"
    & skf18("7","7","5","2","1","2","1") = "6"
    & skf18("7","7","5","2","1","3","1") = "6"
    & skf18("7","7","5","2","1","4","1") = "6"
    & skf18("7","7","5","2","1","5","1") = "6"
    & skf18("7","7","5","2","1","6","1") = "6"
    & skf18("7","7","5","2","1","7","1") = "6"
    & skf18("7","7","5","2","1","8","1") = "7"
    & skf18("7","7","5","2","1","9","1") = "8"
    & skf18("7","7","5","2","1","10","1") = "9"
    & skf18("7","7","5","2","2","1","1") = "6"
    & skf18("7","7","5","2","2","2","1") = "6"
    & skf18("7","7","5","2","2","3","1") = "6"
    & skf18("7","7","5","2","2","4","1") = "6"
    & skf18("7","7","5","2","2","5","1") = "6"
    & skf18("7","7","5","2","2","6","1") = "6"
    & skf18("7","7","5","2","2","7","1") = "6"
    & skf18("7","7","5","2","2","8","1") = "7"
    & skf18("7","7","5","2","2","9","1") = "8"
    & skf18("7","7","5","2","2","10","1") = "9"
    & skf18("7","7","5","2","3","1","1") = "6"
    & skf18("7","7","5","2","3","2","1") = "6"
    & skf18("7","7","5","2","3","3","1") = "6"
    & skf18("7","7","5","2","3","4","1") = "6"
    & skf18("7","7","5","2","3","5","1") = "6"
    & skf18("7","7","5","2","3","6","1") = "6"
    & skf18("7","7","5","2","3","7","1") = "6"
    & skf18("7","7","5","2","3","8","1") = "7"
    & skf18("7","7","5","2","3","9","1") = "8"
    & skf18("7","7","5","2","3","10","1") = "9"
    & skf18("7","7","5","2","4","1","1") = "6"
    & skf18("7","7","5","2","4","2","1") = "6"
    & skf18("7","7","5","2","4","3","1") = "6"
    & skf18("7","7","5","2","4","4","1") = "6"
    & skf18("7","7","5","2","4","5","1") = "6"
    & skf18("7","7","5","2","4","6","1") = "6"
    & skf18("7","7","5","2","4","7","1") = "6"
    & skf18("7","7","5","2","4","8","1") = "7"
    & skf18("7","7","5","2","4","9","1") = "8"
    & skf18("7","7","5","2","4","10","1") = "9"
    & skf18("7","7","5","2","5","1","1") = "6"
    & skf18("7","7","5","2","5","2","1") = "6"
    & skf18("7","7","5","2","5","3","1") = "6"
    & skf18("7","7","5","2","5","4","1") = "6"
    & skf18("7","7","5","2","5","5","1") = "6"
    & skf18("7","7","5","2","5","6","1") = "6"
    & skf18("7","7","5","2","5","7","1") = "6"
    & skf18("7","7","5","2","5","8","1") = "7"
    & skf18("7","7","5","2","5","9","1") = "8"
    & skf18("7","7","5","2","5","10","1") = "9"
    & skf18("7","7","5","2","6","1","1") = "6"
    & skf18("7","7","5","2","6","2","1") = "6"
    & skf18("7","7","5","2","6","3","1") = "6"
    & skf18("7","7","5","2","6","4","1") = "6"
    & skf18("7","7","5","2","6","5","1") = "6"
    & skf18("7","7","5","2","6","6","1") = "6"
    & skf18("7","7","5","2","6","7","1") = "6"
    & skf18("7","7","5","2","6","8","1") = "7"
    & skf18("7","7","5","2","6","9","1") = "8"
    & skf18("7","7","5","2","6","10","1") = "9"
    & skf18("7","7","5","2","7","1","1") = "6"
    & skf18("7","7","5","2","7","2","1") = "6"
    & skf18("7","7","5","2","7","3","1") = "6"
    & skf18("7","7","5","2","7","4","1") = "6"
    & skf18("7","7","5","2","7","5","1") = "6"
    & skf18("7","7","5","2","7","6","1") = "6"
    & skf18("7","7","5","2","7","7","1") = "6"
    & skf18("7","7","5","2","7","8","1") = "7"
    & skf18("7","7","5","2","7","9","1") = "8"
    & skf18("7","7","5","2","7","10","1") = "9"
    & skf18("7","7","5","2","8","1","1") = "7"
    & skf18("7","7","5","2","8","2","1") = "7"
    & skf18("7","7","5","2","8","3","1") = "7"
    & skf18("7","7","5","2","8","4","1") = "7"
    & skf18("7","7","5","2","8","5","1") = "7"
    & skf18("7","7","5","2","8","6","1") = "7"
    & skf18("7","7","5","2","8","7","1") = "7"
    & skf18("7","7","5","2","8","8","1") = "7"
    & skf18("7","7","5","2","8","9","1") = "8"
    & skf18("7","7","5","2","8","10","1") = "9"
    & skf18("7","7","5","2","9","1","1") = "8"
    & skf18("7","7","5","2","9","2","1") = "8"
    & skf18("7","7","5","2","9","3","1") = "8"
    & skf18("7","7","5","2","9","4","1") = "8"
    & skf18("7","7","5","2","9","5","1") = "8"
    & skf18("7","7","5","2","9","6","1") = "8"
    & skf18("7","7","5","2","9","7","1") = "8"
    & skf18("7","7","5","2","9","8","1") = "8"
    & skf18("7","7","5","2","9","9","1") = "8"
    & skf18("7","7","5","2","9","10","1") = "9"
    & skf18("7","7","5","2","10","1","1") = "9"
    & skf18("7","7","5","2","10","2","1") = "9"
    & skf18("7","7","5","2","10","3","1") = "9"
    & skf18("7","7","5","2","10","4","1") = "9"
    & skf18("7","7","5","2","10","5","1") = "9"
    & skf18("7","7","5","2","10","6","1") = "9"
    & skf18("7","7","5","2","10","7","1") = "9"
    & skf18("7","7","5","2","10","8","1") = "9"
    & skf18("7","7","5","2","10","9","1") = "9"
    & skf18("7","7","5","2","10","10","1") = "9"
    & skf18("7","7","5","3","1","1","1") = "6"
    & skf18("7","7","5","3","1","2","1") = "6"
    & skf18("7","7","5","3","1","3","1") = "6"
    & skf18("7","7","5","3","1","4","1") = "6"
    & skf18("7","7","5","3","1","5","1") = "6"
    & skf18("7","7","5","3","1","6","1") = "6"
    & skf18("7","7","5","3","1","7","1") = "6"
    & skf18("7","7","5","3","1","8","1") = "7"
    & skf18("7","7","5","3","1","9","1") = "8"
    & skf18("7","7","5","3","1","10","1") = "9"
    & skf18("7","7","5","3","2","1","1") = "6"
    & skf18("7","7","5","3","2","2","1") = "6"
    & skf18("7","7","5","3","2","3","1") = "6"
    & skf18("7","7","5","3","2","4","1") = "6"
    & skf18("7","7","5","3","2","5","1") = "6"
    & skf18("7","7","5","3","2","6","1") = "6"
    & skf18("7","7","5","3","2","7","1") = "6"
    & skf18("7","7","5","3","2","8","1") = "7"
    & skf18("7","7","5","3","2","9","1") = "8"
    & skf18("7","7","5","3","2","10","1") = "9"
    & skf18("7","7","5","3","3","1","1") = "6"
    & skf18("7","7","5","3","3","2","1") = "6"
    & skf18("7","7","5","3","3","3","1") = "6"
    & skf18("7","7","5","3","3","4","1") = "6"
    & skf18("7","7","5","3","3","5","1") = "6"
    & skf18("7","7","5","3","3","6","1") = "6"
    & skf18("7","7","5","3","3","7","1") = "6"
    & skf18("7","7","5","3","3","8","1") = "7"
    & skf18("7","7","5","3","3","9","1") = "8"
    & skf18("7","7","5","3","3","10","1") = "9"
    & skf18("7","7","5","3","4","1","1") = "6"
    & skf18("7","7","5","3","4","2","1") = "6"
    & skf18("7","7","5","3","4","3","1") = "6"
    & skf18("7","7","5","3","4","4","1") = "6"
    & skf18("7","7","5","3","4","5","1") = "6"
    & skf18("7","7","5","3","4","6","1") = "6"
    & skf18("7","7","5","3","4","7","1") = "6"
    & skf18("7","7","5","3","4","8","1") = "7"
    & skf18("7","7","5","3","4","9","1") = "8"
    & skf18("7","7","5","3","4","10","1") = "9"
    & skf18("7","7","5","3","5","1","1") = "6"
    & skf18("7","7","5","3","5","2","1") = "6"
    & skf18("7","7","5","3","5","3","1") = "6"
    & skf18("7","7","5","3","5","4","1") = "6"
    & skf18("7","7","5","3","5","5","1") = "6"
    & skf18("7","7","5","3","5","6","1") = "6"
    & skf18("7","7","5","3","5","7","1") = "6"
    & skf18("7","7","5","3","5","8","1") = "7"
    & skf18("7","7","5","3","5","9","1") = "8"
    & skf18("7","7","5","3","5","10","1") = "9"
    & skf18("7","7","5","3","6","1","1") = "6"
    & skf18("7","7","5","3","6","2","1") = "6"
    & skf18("7","7","5","3","6","3","1") = "6"
    & skf18("7","7","5","3","6","4","1") = "6"
    & skf18("7","7","5","3","6","5","1") = "6"
    & skf18("7","7","5","3","6","6","1") = "6"
    & skf18("7","7","5","3","6","7","1") = "6"
    & skf18("7","7","5","3","6","8","1") = "7"
    & skf18("7","7","5","3","6","9","1") = "8"
    & skf18("7","7","5","3","6","10","1") = "9"
    & skf18("7","7","5","3","7","1","1") = "6"
    & skf18("7","7","5","3","7","2","1") = "6"
    & skf18("7","7","5","3","7","3","1") = "6"
    & skf18("7","7","5","3","7","4","1") = "6"
    & skf18("7","7","5","3","7","5","1") = "6"
    & skf18("7","7","5","3","7","6","1") = "6"
    & skf18("7","7","5","3","7","7","1") = "6"
    & skf18("7","7","5","3","7","8","1") = "7"
    & skf18("7","7","5","3","7","9","1") = "8"
    & skf18("7","7","5","3","7","10","1") = "9"
    & skf18("7","7","5","3","8","1","1") = "7"
    & skf18("7","7","5","3","8","2","1") = "7"
    & skf18("7","7","5","3","8","3","1") = "7"
    & skf18("7","7","5","3","8","4","1") = "7"
    & skf18("7","7","5","3","8","5","1") = "7"
    & skf18("7","7","5","3","8","6","1") = "7"
    & skf18("7","7","5","3","8","7","1") = "7"
    & skf18("7","7","5","3","8","8","1") = "7"
    & skf18("7","7","5","3","8","9","1") = "8"
    & skf18("7","7","5","3","8","10","1") = "9"
    & skf18("7","7","5","3","9","1","1") = "8"
    & skf18("7","7","5","3","9","2","1") = "8"
    & skf18("7","7","5","3","9","3","1") = "8"
    & skf18("7","7","5","3","9","4","1") = "8"
    & skf18("7","7","5","3","9","5","1") = "8"
    & skf18("7","7","5","3","9","6","1") = "8"
    & skf18("7","7","5","3","9","7","1") = "8"
    & skf18("7","7","5","3","9","8","1") = "8"
    & skf18("7","7","5","3","9","9","1") = "8"
    & skf18("7","7","5","3","9","10","1") = "9"
    & skf18("7","7","5","3","10","1","1") = "9"
    & skf18("7","7","5","3","10","2","1") = "9"
    & skf18("7","7","5","3","10","3","1") = "9"
    & skf18("7","7","5","3","10","4","1") = "9"
    & skf18("7","7","5","3","10","5","1") = "9"
    & skf18("7","7","5","3","10","6","1") = "9"
    & skf18("7","7","5","3","10","7","1") = "9"
    & skf18("7","7","5","3","10","8","1") = "9"
    & skf18("7","7","5","3","10","9","1") = "9"
    & skf18("7","7","5","3","10","10","1") = "9"
    & skf18("7","7","5","4","1","1","1") = "6"
    & skf18("7","7","5","4","1","2","1") = "6"
    & skf18("7","7","5","4","1","3","1") = "6"
    & skf18("7","7","5","4","1","4","1") = "6"
    & skf18("7","7","5","4","1","5","1") = "6"
    & skf18("7","7","5","4","1","6","1") = "6"
    & skf18("7","7","5","4","1","7","1") = "6"
    & skf18("7","7","5","4","1","8","1") = "7"
    & skf18("7","7","5","4","1","9","1") = "8"
    & skf18("7","7","5","4","1","10","1") = "9"
    & skf18("7","7","5","4","2","1","1") = "6"
    & skf18("7","7","5","4","2","2","1") = "6"
    & skf18("7","7","5","4","2","3","1") = "6"
    & skf18("7","7","5","4","2","4","1") = "6"
    & skf18("7","7","5","4","2","5","1") = "6"
    & skf18("7","7","5","4","2","6","1") = "6"
    & skf18("7","7","5","4","2","7","1") = "6"
    & skf18("7","7","5","4","2","8","1") = "7"
    & skf18("7","7","5","4","2","9","1") = "8"
    & skf18("7","7","5","4","2","10","1") = "9"
    & skf18("7","7","5","4","3","1","1") = "6"
    & skf18("7","7","5","4","3","2","1") = "6"
    & skf18("7","7","5","4","3","3","1") = "6"
    & skf18("7","7","5","4","3","4","1") = "6"
    & skf18("7","7","5","4","3","5","1") = "6"
    & skf18("7","7","5","4","3","6","1") = "6"
    & skf18("7","7","5","4","3","7","1") = "6"
    & skf18("7","7","5","4","3","8","1") = "7"
    & skf18("7","7","5","4","3","9","1") = "8"
    & skf18("7","7","5","4","3","10","1") = "9"
    & skf18("7","7","5","4","4","1","1") = "6"
    & skf18("7","7","5","4","4","2","1") = "6"
    & skf18("7","7","5","4","4","3","1") = "6"
    & skf18("7","7","5","4","4","4","1") = "6"
    & skf18("7","7","5","4","4","5","1") = "6"
    & skf18("7","7","5","4","4","6","1") = "6"
    & skf18("7","7","5","4","4","7","1") = "6"
    & skf18("7","7","5","4","4","8","1") = "7"
    & skf18("7","7","5","4","4","9","1") = "8"
    & skf18("7","7","5","4","4","10","1") = "9"
    & skf18("7","7","5","4","5","1","1") = "6"
    & skf18("7","7","5","4","5","2","1") = "6"
    & skf18("7","7","5","4","5","3","1") = "6"
    & skf18("7","7","5","4","5","4","1") = "6"
    & skf18("7","7","5","4","5","5","1") = "6"
    & skf18("7","7","5","4","5","6","1") = "6"
    & skf18("7","7","5","4","5","7","1") = "6"
    & skf18("7","7","5","4","5","8","1") = "7"
    & skf18("7","7","5","4","5","9","1") = "8"
    & skf18("7","7","5","4","5","10","1") = "9"
    & skf18("7","7","5","4","6","1","1") = "6"
    & skf18("7","7","5","4","6","2","1") = "6"
    & skf18("7","7","5","4","6","3","1") = "6"
    & skf18("7","7","5","4","6","4","1") = "6"
    & skf18("7","7","5","4","6","5","1") = "6"
    & skf18("7","7","5","4","6","6","1") = "6"
    & skf18("7","7","5","4","6","7","1") = "6"
    & skf18("7","7","5","4","6","8","1") = "7"
    & skf18("7","7","5","4","6","9","1") = "8"
    & skf18("7","7","5","4","6","10","1") = "9"
    & skf18("7","7","5","4","7","1","1") = "6"
    & skf18("7","7","5","4","7","2","1") = "6"
    & skf18("7","7","5","4","7","3","1") = "6"
    & skf18("7","7","5","4","7","4","1") = "6"
    & skf18("7","7","5","4","7","5","1") = "6"
    & skf18("7","7","5","4","7","6","1") = "6"
    & skf18("7","7","5","4","7","7","1") = "6"
    & skf18("7","7","5","4","7","8","1") = "7"
    & skf18("7","7","5","4","7","9","1") = "8"
    & skf18("7","7","5","4","7","10","1") = "9"
    & skf18("7","7","5","4","8","1","1") = "7"
    & skf18("7","7","5","4","8","2","1") = "7"
    & skf18("7","7","5","4","8","3","1") = "7"
    & skf18("7","7","5","4","8","4","1") = "7"
    & skf18("7","7","5","4","8","5","1") = "7"
    & skf18("7","7","5","4","8","6","1") = "7"
    & skf18("7","7","5","4","8","7","1") = "7"
    & skf18("7","7","5","4","8","8","1") = "7"
    & skf18("7","7","5","4","8","9","1") = "8"
    & skf18("7","7","5","4","8","10","1") = "9"
    & skf18("7","7","5","4","9","1","1") = "8"
    & skf18("7","7","5","4","9","2","1") = "8"
    & skf18("7","7","5","4","9","3","1") = "8"
    & skf18("7","7","5","4","9","4","1") = "8"
    & skf18("7","7","5","4","9","5","1") = "8"
    & skf18("7","7","5","4","9","6","1") = "8"
    & skf18("7","7","5","4","9","7","1") = "8"
    & skf18("7","7","5","4","9","8","1") = "8"
    & skf18("7","7","5","4","9","9","1") = "8"
    & skf18("7","7","5","4","9","10","1") = "9"
    & skf18("7","7","5","4","10","1","1") = "9"
    & skf18("7","7","5","4","10","2","1") = "9"
    & skf18("7","7","5","4","10","3","1") = "9"
    & skf18("7","7","5","4","10","4","1") = "9"
    & skf18("7","7","5","4","10","5","1") = "9"
    & skf18("7","7","5","4","10","6","1") = "9"
    & skf18("7","7","5","4","10","7","1") = "9"
    & skf18("7","7","5","4","10","8","1") = "9"
    & skf18("7","7","5","4","10","9","1") = "9"
    & skf18("7","7","5","4","10","10","1") = "9"
    & skf18("7","7","5","5","1","1","1") = "6"
    & skf18("7","7","5","5","1","2","1") = "6"
    & skf18("7","7","5","5","1","3","1") = "6"
    & skf18("7","7","5","5","1","4","1") = "6"
    & skf18("7","7","5","5","1","5","1") = "6"
    & skf18("7","7","5","5","1","6","1") = "6"
    & skf18("7","7","5","5","1","7","1") = "6"
    & skf18("7","7","5","5","1","8","1") = "7"
    & skf18("7","7","5","5","1","9","1") = "8"
    & skf18("7","7","5","5","1","10","1") = "9"
    & skf18("7","7","5","5","2","1","1") = "6"
    & skf18("7","7","5","5","2","2","1") = "6"
    & skf18("7","7","5","5","2","3","1") = "6"
    & skf18("7","7","5","5","2","4","1") = "6"
    & skf18("7","7","5","5","2","5","1") = "6"
    & skf18("7","7","5","5","2","6","1") = "6"
    & skf18("7","7","5","5","2","7","1") = "6"
    & skf18("7","7","5","5","2","8","1") = "7"
    & skf18("7","7","5","5","2","9","1") = "8"
    & skf18("7","7","5","5","2","10","1") = "9"
    & skf18("7","7","5","5","3","1","1") = "6"
    & skf18("7","7","5","5","3","2","1") = "6"
    & skf18("7","7","5","5","3","3","1") = "6"
    & skf18("7","7","5","5","3","4","1") = "6"
    & skf18("7","7","5","5","3","5","1") = "6"
    & skf18("7","7","5","5","3","6","1") = "6"
    & skf18("7","7","5","5","3","7","1") = "6"
    & skf18("7","7","5","5","3","8","1") = "7"
    & skf18("7","7","5","5","3","9","1") = "8"
    & skf18("7","7","5","5","3","10","1") = "9"
    & skf18("7","7","5","5","4","1","1") = "6"
    & skf18("7","7","5","5","4","2","1") = "6"
    & skf18("7","7","5","5","4","3","1") = "6"
    & skf18("7","7","5","5","4","4","1") = "6"
    & skf18("7","7","5","5","4","5","1") = "6"
    & skf18("7","7","5","5","4","6","1") = "6"
    & skf18("7","7","5","5","4","7","1") = "6"
    & skf18("7","7","5","5","4","8","1") = "7"
    & skf18("7","7","5","5","4","9","1") = "8"
    & skf18("7","7","5","5","4","10","1") = "9"
    & skf18("7","7","5","5","5","1","1") = "6"
    & skf18("7","7","5","5","5","2","1") = "6"
    & skf18("7","7","5","5","5","3","1") = "6"
    & skf18("7","7","5","5","5","4","1") = "6"
    & skf18("7","7","5","5","5","5","1") = "6"
    & skf18("7","7","5","5","5","6","1") = "6"
    & skf18("7","7","5","5","5","7","1") = "6"
    & skf18("7","7","5","5","5","8","1") = "7"
    & skf18("7","7","5","5","5","9","1") = "8"
    & skf18("7","7","5","5","5","10","1") = "9"
    & skf18("7","7","5","5","6","1","1") = "6"
    & skf18("7","7","5","5","6","2","1") = "6"
    & skf18("7","7","5","5","6","3","1") = "6"
    & skf18("7","7","5","5","6","4","1") = "6"
    & skf18("7","7","5","5","6","5","1") = "6"
    & skf18("7","7","5","5","6","6","1") = "6"
    & skf18("7","7","5","5","6","7","1") = "6"
    & skf18("7","7","5","5","6","8","1") = "7"
    & skf18("7","7","5","5","6","9","1") = "8"
    & skf18("7","7","5","5","6","10","1") = "9"
    & skf18("7","7","5","5","7","1","1") = "6"
    & skf18("7","7","5","5","7","2","1") = "6"
    & skf18("7","7","5","5","7","3","1") = "6"
    & skf18("7","7","5","5","7","4","1") = "6"
    & skf18("7","7","5","5","7","5","1") = "6"
    & skf18("7","7","5","5","7","6","1") = "6"
    & skf18("7","7","5","5","7","7","1") = "6"
    & skf18("7","7","5","5","7","8","1") = "7"
    & skf18("7","7","5","5","7","9","1") = "8"
    & skf18("7","7","5","5","7","10","1") = "9"
    & skf18("7","7","5","5","8","1","1") = "7"
    & skf18("7","7","5","5","8","2","1") = "7"
    & skf18("7","7","5","5","8","3","1") = "7"
    & skf18("7","7","5","5","8","4","1") = "7"
    & skf18("7","7","5","5","8","5","1") = "7"
    & skf18("7","7","5","5","8","6","1") = "7"
    & skf18("7","7","5","5","8","7","1") = "7"
    & skf18("7","7","5","5","8","8","1") = "7"
    & skf18("7","7","5","5","8","9","1") = "8"
    & skf18("7","7","5","5","8","10","1") = "9"
    & skf18("7","7","5","5","9","1","1") = "8"
    & skf18("7","7","5","5","9","2","1") = "8"
    & skf18("7","7","5","5","9","3","1") = "8"
    & skf18("7","7","5","5","9","4","1") = "8"
    & skf18("7","7","5","5","9","5","1") = "8"
    & skf18("7","7","5","5","9","6","1") = "8"
    & skf18("7","7","5","5","9","7","1") = "8"
    & skf18("7","7","5","5","9","8","1") = "8"
    & skf18("7","7","5","5","9","9","1") = "8"
    & skf18("7","7","5","5","9","10","1") = "9"
    & skf18("7","7","5","5","10","1","1") = "9"
    & skf18("7","7","5","5","10","2","1") = "9"
    & skf18("7","7","5","5","10","3","1") = "9"
    & skf18("7","7","5","5","10","4","1") = "9"
    & skf18("7","7","5","5","10","5","1") = "9"
    & skf18("7","7","5","5","10","6","1") = "9"
    & skf18("7","7","5","5","10","7","1") = "9"
    & skf18("7","7","5","5","10","8","1") = "9"
    & skf18("7","7","5","5","10","9","1") = "9"
    & skf18("7","7","5","5","10","10","1") = "9"
    & skf18("7","7","5","6","1","1","1") = "6"
    & skf18("7","7","5","6","1","2","1") = "6"
    & skf18("7","7","5","6","1","3","1") = "6"
    & skf18("7","7","5","6","1","4","1") = "6"
    & skf18("7","7","5","6","1","5","1") = "6"
    & skf18("7","7","5","6","1","6","1") = "6"
    & skf18("7","7","5","6","1","7","1") = "6"
    & skf18("7","7","5","6","1","8","1") = "7"
    & skf18("7","7","5","6","1","9","1") = "8"
    & skf18("7","7","5","6","1","10","1") = "9"
    & skf18("7","7","5","6","2","1","1") = "6"
    & skf18("7","7","5","6","2","2","1") = "6"
    & skf18("7","7","5","6","2","3","1") = "6"
    & skf18("7","7","5","6","2","4","1") = "6"
    & skf18("7","7","5","6","2","5","1") = "6"
    & skf18("7","7","5","6","2","6","1") = "6"
    & skf18("7","7","5","6","2","7","1") = "6"
    & skf18("7","7","5","6","2","8","1") = "7"
    & skf18("7","7","5","6","2","9","1") = "8"
    & skf18("7","7","5","6","2","10","1") = "9"
    & skf18("7","7","5","6","3","1","1") = "6"
    & skf18("7","7","5","6","3","2","1") = "6"
    & skf18("7","7","5","6","3","3","1") = "6"
    & skf18("7","7","5","6","3","4","1") = "6"
    & skf18("7","7","5","6","3","5","1") = "6"
    & skf18("7","7","5","6","3","6","1") = "6"
    & skf18("7","7","5","6","3","7","1") = "6"
    & skf18("7","7","5","6","3","8","1") = "7"
    & skf18("7","7","5","6","3","9","1") = "8"
    & skf18("7","7","5","6","3","10","1") = "9"
    & skf18("7","7","5","6","4","1","1") = "6"
    & skf18("7","7","5","6","4","2","1") = "6"
    & skf18("7","7","5","6","4","3","1") = "6"
    & skf18("7","7","5","6","4","4","1") = "6"
    & skf18("7","7","5","6","4","5","1") = "6"
    & skf18("7","7","5","6","4","6","1") = "6"
    & skf18("7","7","5","6","4","7","1") = "6"
    & skf18("7","7","5","6","4","8","1") = "7"
    & skf18("7","7","5","6","4","9","1") = "8"
    & skf18("7","7","5","6","4","10","1") = "9"
    & skf18("7","7","5","6","5","1","1") = "6"
    & skf18("7","7","5","6","5","2","1") = "6"
    & skf18("7","7","5","6","5","3","1") = "6"
    & skf18("7","7","5","6","5","4","1") = "6"
    & skf18("7","7","5","6","5","5","1") = "6"
    & skf18("7","7","5","6","5","6","1") = "6"
    & skf18("7","7","5","6","5","7","1") = "6"
    & skf18("7","7","5","6","5","8","1") = "7"
    & skf18("7","7","5","6","5","9","1") = "8"
    & skf18("7","7","5","6","5","10","1") = "9"
    & skf18("7","7","5","6","6","1","1") = "6"
    & skf18("7","7","5","6","6","2","1") = "6"
    & skf18("7","7","5","6","6","3","1") = "6"
    & skf18("7","7","5","6","6","4","1") = "6"
    & skf18("7","7","5","6","6","5","1") = "6"
    & skf18("7","7","5","6","6","6","1") = "6"
    & skf18("7","7","5","6","6","7","1") = "6"
    & skf18("7","7","5","6","6","8","1") = "7"
    & skf18("7","7","5","6","6","9","1") = "8"
    & skf18("7","7","5","6","6","10","1") = "9"
    & skf18("7","7","5","6","7","1","1") = "6"
    & skf18("7","7","5","6","7","2","1") = "6"
    & skf18("7","7","5","6","7","3","1") = "6"
    & skf18("7","7","5","6","7","4","1") = "6"
    & skf18("7","7","5","6","7","5","1") = "6"
    & skf18("7","7","5","6","7","6","1") = "6"
    & skf18("7","7","5","6","7","7","1") = "6"
    & skf18("7","7","5","6","7","8","1") = "7"
    & skf18("7","7","5","6","7","9","1") = "8"
    & skf18("7","7","5","6","7","10","1") = "9"
    & skf18("7","7","5","6","8","1","1") = "7"
    & skf18("7","7","5","6","8","2","1") = "7"
    & skf18("7","7","5","6","8","3","1") = "7"
    & skf18("7","7","5","6","8","4","1") = "7"
    & skf18("7","7","5","6","8","5","1") = "7"
    & skf18("7","7","5","6","8","6","1") = "7"
    & skf18("7","7","5","6","8","7","1") = "7"
    & skf18("7","7","5","6","8","8","1") = "7"
    & skf18("7","7","5","6","8","9","1") = "8"
    & skf18("7","7","5","6","8","10","1") = "9"
    & skf18("7","7","5","6","9","1","1") = "8"
    & skf18("7","7","5","6","9","2","1") = "8"
    & skf18("7","7","5","6","9","3","1") = "8"
    & skf18("7","7","5","6","9","4","1") = "8"
    & skf18("7","7","5","6","9","5","1") = "8"
    & skf18("7","7","5","6","9","6","1") = "8"
    & skf18("7","7","5","6","9","7","1") = "8"
    & skf18("7","7","5","6","9","8","1") = "8"
    & skf18("7","7","5","6","9","9","1") = "8"
    & skf18("7","7","5","6","9","10","1") = "9"
    & skf18("7","7","5","6","10","1","1") = "9"
    & skf18("7","7","5","6","10","2","1") = "9"
    & skf18("7","7","5","6","10","3","1") = "9"
    & skf18("7","7","5","6","10","4","1") = "9"
    & skf18("7","7","5","6","10","5","1") = "9"
    & skf18("7","7","5","6","10","6","1") = "9"
    & skf18("7","7","5","6","10","7","1") = "9"
    & skf18("7","7","5","6","10","8","1") = "9"
    & skf18("7","7","5","6","10","9","1") = "9"
    & skf18("7","7","5","6","10","10","1") = "9"
    & skf18("7","7","5","7","1","1","1") = "6"
    & skf18("7","7","5","7","1","2","1") = "6"
    & skf18("7","7","5","7","1","3","1") = "6"
    & skf18("7","7","5","7","1","4","1") = "6"
    & skf18("7","7","5","7","1","5","1") = "6"
    & skf18("7","7","5","7","1","6","1") = "6"
    & skf18("7","7","5","7","1","7","1") = "6"
    & skf18("7","7","5","7","1","8","1") = "7"
    & skf18("7","7","5","7","1","9","1") = "8"
    & skf18("7","7","5","7","1","10","1") = "9"
    & skf18("7","7","5","7","2","1","1") = "6"
    & skf18("7","7","5","7","2","2","1") = "6"
    & skf18("7","7","5","7","2","3","1") = "6"
    & skf18("7","7","5","7","2","4","1") = "6"
    & skf18("7","7","5","7","2","5","1") = "6"
    & skf18("7","7","5","7","2","6","1") = "6"
    & skf18("7","7","5","7","2","7","1") = "6"
    & skf18("7","7","5","7","2","8","1") = "7"
    & skf18("7","7","5","7","2","9","1") = "8"
    & skf18("7","7","5","7","2","10","1") = "9"
    & skf18("7","7","5","7","3","1","1") = "6"
    & skf18("7","7","5","7","3","2","1") = "6"
    & skf18("7","7","5","7","3","3","1") = "6"
    & skf18("7","7","5","7","3","4","1") = "6"
    & skf18("7","7","5","7","3","5","1") = "6"
    & skf18("7","7","5","7","3","6","1") = "6"
    & skf18("7","7","5","7","3","7","1") = "6"
    & skf18("7","7","5","7","3","8","1") = "7"
    & skf18("7","7","5","7","3","9","1") = "8"
    & skf18("7","7","5","7","3","10","1") = "9"
    & skf18("7","7","5","7","4","1","1") = "6"
    & skf18("7","7","5","7","4","2","1") = "6"
    & skf18("7","7","5","7","4","3","1") = "6"
    & skf18("7","7","5","7","4","4","1") = "6"
    & skf18("7","7","5","7","4","5","1") = "6"
    & skf18("7","7","5","7","4","6","1") = "6"
    & skf18("7","7","5","7","4","7","1") = "6"
    & skf18("7","7","5","7","4","8","1") = "7"
    & skf18("7","7","5","7","4","9","1") = "8"
    & skf18("7","7","5","7","4","10","1") = "9"
    & skf18("7","7","5","7","5","1","1") = "6"
    & skf18("7","7","5","7","5","2","1") = "6"
    & skf18("7","7","5","7","5","3","1") = "6"
    & skf18("7","7","5","7","5","4","1") = "6"
    & skf18("7","7","5","7","5","5","1") = "6"
    & skf18("7","7","5","7","5","6","1") = "6"
    & skf18("7","7","5","7","5","7","1") = "6"
    & skf18("7","7","5","7","5","8","1") = "7"
    & skf18("7","7","5","7","5","9","1") = "8"
    & skf18("7","7","5","7","5","10","1") = "9"
    & skf18("7","7","5","7","6","1","1") = "6"
    & skf18("7","7","5","7","6","2","1") = "6"
    & skf18("7","7","5","7","6","3","1") = "6"
    & skf18("7","7","5","7","6","4","1") = "6"
    & skf18("7","7","5","7","6","5","1") = "6"
    & skf18("7","7","5","7","6","6","1") = "6"
    & skf18("7","7","5","7","6","7","1") = "6"
    & skf18("7","7","5","7","6","8","1") = "7"
    & skf18("7","7","5","7","6","9","1") = "8"
    & skf18("7","7","5","7","6","10","1") = "9"
    & skf18("7","7","5","7","7","1","1") = "6"
    & skf18("7","7","5","7","7","2","1") = "6"
    & skf18("7","7","5","7","7","3","1") = "6"
    & skf18("7","7","5","7","7","4","1") = "6"
    & skf18("7","7","5","7","7","5","1") = "6"
    & skf18("7","7","5","7","7","6","1") = "6"
    & skf18("7","7","5","7","7","7","1") = "6"
    & skf18("7","7","5","7","7","8","1") = "7"
    & skf18("7","7","5","7","7","9","1") = "8"
    & skf18("7","7","5","7","7","10","1") = "9"
    & skf18("7","7","5","7","8","1","1") = "7"
    & skf18("7","7","5","7","8","2","1") = "7"
    & skf18("7","7","5","7","8","3","1") = "7"
    & skf18("7","7","5","7","8","4","1") = "7"
    & skf18("7","7","5","7","8","5","1") = "7"
    & skf18("7","7","5","7","8","6","1") = "7"
    & skf18("7","7","5","7","8","7","1") = "7"
    & skf18("7","7","5","7","8","8","1") = "7"
    & skf18("7","7","5","7","8","9","1") = "8"
    & skf18("7","7","5","7","8","10","1") = "9"
    & skf18("7","7","5","7","9","1","1") = "8"
    & skf18("7","7","5","7","9","2","1") = "8"
    & skf18("7","7","5","7","9","3","1") = "8"
    & skf18("7","7","5","7","9","4","1") = "8"
    & skf18("7","7","5","7","9","5","1") = "8"
    & skf18("7","7","5","7","9","6","1") = "8"
    & skf18("7","7","5","7","9","7","1") = "8"
    & skf18("7","7","5","7","9","8","1") = "8"
    & skf18("7","7","5","7","9","9","1") = "8"
    & skf18("7","7","5","7","9","10","1") = "9"
    & skf18("7","7","5","7","10","1","1") = "9"
    & skf18("7","7","5","7","10","2","1") = "9"
    & skf18("7","7","5","7","10","3","1") = "9"
    & skf18("7","7","5","7","10","4","1") = "9"
    & skf18("7","7","5","7","10","5","1") = "9"
    & skf18("7","7","5","7","10","6","1") = "9"
    & skf18("7","7","5","7","10","7","1") = "9"
    & skf18("7","7","5","7","10","8","1") = "9"
    & skf18("7","7","5","7","10","9","1") = "9"
    & skf18("7","7","5","7","10","10","1") = "9"
    & skf18("7","7","5","8","1","1","1") = "7"
    & skf18("7","7","5","8","1","2","1") = "7"
    & skf18("7","7","5","8","1","3","1") = "7"
    & skf18("7","7","5","8","1","4","1") = "7"
    & skf18("7","7","5","8","1","5","1") = "7"
    & skf18("7","7","5","8","1","6","1") = "7"
    & skf18("7","7","5","8","1","7","1") = "7"
    & skf18("7","7","5","8","1","8","1") = "7"
    & skf18("7","7","5","8","1","9","1") = "8"
    & skf18("7","7","5","8","1","10","1") = "9"
    & skf18("7","7","5","8","2","1","1") = "7"
    & skf18("7","7","5","8","2","2","1") = "7"
    & skf18("7","7","5","8","2","3","1") = "7"
    & skf18("7","7","5","8","2","4","1") = "7"
    & skf18("7","7","5","8","2","5","1") = "7"
    & skf18("7","7","5","8","2","6","1") = "7"
    & skf18("7","7","5","8","2","7","1") = "7"
    & skf18("7","7","5","8","2","8","1") = "7"
    & skf18("7","7","5","8","2","9","1") = "8"
    & skf18("7","7","5","8","2","10","1") = "9"
    & skf18("7","7","5","8","3","1","1") = "7"
    & skf18("7","7","5","8","3","2","1") = "7"
    & skf18("7","7","5","8","3","3","1") = "7"
    & skf18("7","7","5","8","3","4","1") = "7"
    & skf18("7","7","5","8","3","5","1") = "7"
    & skf18("7","7","5","8","3","6","1") = "7"
    & skf18("7","7","5","8","3","7","1") = "7"
    & skf18("7","7","5","8","3","8","1") = "7"
    & skf18("7","7","5","8","3","9","1") = "8"
    & skf18("7","7","5","8","3","10","1") = "9"
    & skf18("7","7","5","8","4","1","1") = "7"
    & skf18("7","7","5","8","4","2","1") = "7"
    & skf18("7","7","5","8","4","3","1") = "7"
    & skf18("7","7","5","8","4","4","1") = "7"
    & skf18("7","7","5","8","4","5","1") = "7"
    & skf18("7","7","5","8","4","6","1") = "7"
    & skf18("7","7","5","8","4","7","1") = "7"
    & skf18("7","7","5","8","4","8","1") = "7"
    & skf18("7","7","5","8","4","9","1") = "8"
    & skf18("7","7","5","8","4","10","1") = "9"
    & skf18("7","7","5","8","5","1","1") = "7"
    & skf18("7","7","5","8","5","2","1") = "7"
    & skf18("7","7","5","8","5","3","1") = "7"
    & skf18("7","7","5","8","5","4","1") = "7"
    & skf18("7","7","5","8","5","5","1") = "7"
    & skf18("7","7","5","8","5","6","1") = "7"
    & skf18("7","7","5","8","5","7","1") = "7"
    & skf18("7","7","5","8","5","8","1") = "7"
    & skf18("7","7","5","8","5","9","1") = "8"
    & skf18("7","7","5","8","5","10","1") = "9"
    & skf18("7","7","5","8","6","1","1") = "7"
    & skf18("7","7","5","8","6","2","1") = "7"
    & skf18("7","7","5","8","6","3","1") = "7"
    & skf18("7","7","5","8","6","4","1") = "7"
    & skf18("7","7","5","8","6","5","1") = "7"
    & skf18("7","7","5","8","6","6","1") = "7"
    & skf18("7","7","5","8","6","7","1") = "7"
    & skf18("7","7","5","8","6","8","1") = "7"
    & skf18("7","7","5","8","6","9","1") = "8"
    & skf18("7","7","5","8","6","10","1") = "9"
    & skf18("7","7","5","8","7","1","1") = "7"
    & skf18("7","7","5","8","7","2","1") = "7"
    & skf18("7","7","5","8","7","3","1") = "7"
    & skf18("7","7","5","8","7","4","1") = "7"
    & skf18("7","7","5","8","7","5","1") = "7"
    & skf18("7","7","5","8","7","6","1") = "7"
    & skf18("7","7","5","8","7","7","1") = "7"
    & skf18("7","7","5","8","7","8","1") = "7"
    & skf18("7","7","5","8","7","9","1") = "8"
    & skf18("7","7","5","8","7","10","1") = "9"
    & skf18("7","7","5","8","8","1","1") = "7"
    & skf18("7","7","5","8","8","2","1") = "7"
    & skf18("7","7","5","8","8","3","1") = "7"
    & skf18("7","7","5","8","8","4","1") = "7"
    & skf18("7","7","5","8","8","5","1") = "7"
    & skf18("7","7","5","8","8","6","1") = "7"
    & skf18("7","7","5","8","8","7","1") = "7"
    & skf18("7","7","5","8","8","8","1") = "7"
    & skf18("7","7","5","8","8","9","1") = "8"
    & skf18("7","7","5","8","8","10","1") = "9"
    & skf18("7","7","5","8","9","1","1") = "8"
    & skf18("7","7","5","8","9","2","1") = "8"
    & skf18("7","7","5","8","9","3","1") = "8"
    & skf18("7","7","5","8","9","4","1") = "8"
    & skf18("7","7","5","8","9","5","1") = "8"
    & skf18("7","7","5","8","9","6","1") = "8"
    & skf18("7","7","5","8","9","7","1") = "8"
    & skf18("7","7","5","8","9","8","1") = "8"
    & skf18("7","7","5","8","9","9","1") = "8"
    & skf18("7","7","5","8","9","10","1") = "9"
    & skf18("7","7","5","8","10","1","1") = "9"
    & skf18("7","7","5","8","10","2","1") = "9"
    & skf18("7","7","5","8","10","3","1") = "9"
    & skf18("7","7","5","8","10","4","1") = "9"
    & skf18("7","7","5","8","10","5","1") = "9"
    & skf18("7","7","5","8","10","6","1") = "9"
    & skf18("7","7","5","8","10","7","1") = "9"
    & skf18("7","7","5","8","10","8","1") = "9"
    & skf18("7","7","5","8","10","9","1") = "9"
    & skf18("7","7","5","8","10","10","1") = "9"
    & skf18("7","7","5","9","1","1","1") = "8"
    & skf18("7","7","5","9","1","2","1") = "8"
    & skf18("7","7","5","9","1","3","1") = "8"
    & skf18("7","7","5","9","1","4","1") = "8"
    & skf18("7","7","5","9","1","5","1") = "8"
    & skf18("7","7","5","9","1","6","1") = "8"
    & skf18("7","7","5","9","1","7","1") = "8"
    & skf18("7","7","5","9","1","8","1") = "8"
    & skf18("7","7","5","9","1","9","1") = "8"
    & skf18("7","7","5","9","1","10","1") = "9"
    & skf18("7","7","5","9","2","1","1") = "8"
    & skf18("7","7","5","9","2","2","1") = "8"
    & skf18("7","7","5","9","2","3","1") = "8"
    & skf18("7","7","5","9","2","4","1") = "8"
    & skf18("7","7","5","9","2","5","1") = "8"
    & skf18("7","7","5","9","2","6","1") = "8"
    & skf18("7","7","5","9","2","7","1") = "8"
    & skf18("7","7","5","9","2","8","1") = "8"
    & skf18("7","7","5","9","2","9","1") = "8"
    & skf18("7","7","5","9","2","10","1") = "9"
    & skf18("7","7","5","9","3","1","1") = "8"
    & skf18("7","7","5","9","3","2","1") = "8"
    & skf18("7","7","5","9","3","3","1") = "8"
    & skf18("7","7","5","9","3","4","1") = "8"
    & skf18("7","7","5","9","3","5","1") = "8"
    & skf18("7","7","5","9","3","6","1") = "8"
    & skf18("7","7","5","9","3","7","1") = "8"
    & skf18("7","7","5","9","3","8","1") = "8"
    & skf18("7","7","5","9","3","9","1") = "8"
    & skf18("7","7","5","9","3","10","1") = "9"
    & skf18("7","7","5","9","4","1","1") = "8"
    & skf18("7","7","5","9","4","2","1") = "8"
    & skf18("7","7","5","9","4","3","1") = "8"
    & skf18("7","7","5","9","4","4","1") = "8"
    & skf18("7","7","5","9","4","5","1") = "8"
    & skf18("7","7","5","9","4","6","1") = "8"
    & skf18("7","7","5","9","4","7","1") = "8"
    & skf18("7","7","5","9","4","8","1") = "8"
    & skf18("7","7","5","9","4","9","1") = "8"
    & skf18("7","7","5","9","4","10","1") = "9"
    & skf18("7","7","5","9","5","1","1") = "8"
    & skf18("7","7","5","9","5","2","1") = "8"
    & skf18("7","7","5","9","5","3","1") = "8"
    & skf18("7","7","5","9","5","4","1") = "8"
    & skf18("7","7","5","9","5","5","1") = "8"
    & skf18("7","7","5","9","5","6","1") = "8"
    & skf18("7","7","5","9","5","7","1") = "8"
    & skf18("7","7","5","9","5","8","1") = "8"
    & skf18("7","7","5","9","5","9","1") = "8"
    & skf18("7","7","5","9","5","10","1") = "9"
    & skf18("7","7","5","9","6","1","1") = "8"
    & skf18("7","7","5","9","6","2","1") = "8"
    & skf18("7","7","5","9","6","3","1") = "8"
    & skf18("7","7","5","9","6","4","1") = "8"
    & skf18("7","7","5","9","6","5","1") = "8"
    & skf18("7","7","5","9","6","6","1") = "8"
    & skf18("7","7","5","9","6","7","1") = "8"
    & skf18("7","7","5","9","6","8","1") = "8"
    & skf18("7","7","5","9","6","9","1") = "8"
    & skf18("7","7","5","9","6","10","1") = "9"
    & skf18("7","7","5","9","7","1","1") = "8"
    & skf18("7","7","5","9","7","2","1") = "8"
    & skf18("7","7","5","9","7","3","1") = "8"
    & skf18("7","7","5","9","7","4","1") = "8"
    & skf18("7","7","5","9","7","5","1") = "8"
    & skf18("7","7","5","9","7","6","1") = "8"
    & skf18("7","7","5","9","7","7","1") = "8"
    & skf18("7","7","5","9","7","8","1") = "8"
    & skf18("7","7","5","9","7","9","1") = "8"
    & skf18("7","7","5","9","7","10","1") = "9"
    & skf18("7","7","5","9","8","1","1") = "8"
    & skf18("7","7","5","9","8","2","1") = "8"
    & skf18("7","7","5","9","8","3","1") = "8"
    & skf18("7","7","5","9","8","4","1") = "8"
    & skf18("7","7","5","9","8","5","1") = "8"
    & skf18("7","7","5","9","8","6","1") = "8"
    & skf18("7","7","5","9","8","7","1") = "8"
    & skf18("7","7","5","9","8","8","1") = "8"
    & skf18("7","7","5","9","8","9","1") = "8"
    & skf18("7","7","5","9","8","10","1") = "9"
    & skf18("7","7","5","9","9","1","1") = "8"
    & skf18("7","7","5","9","9","2","1") = "8"
    & skf18("7","7","5","9","9","3","1") = "8"
    & skf18("7","7","5","9","9","4","1") = "8"
    & skf18("7","7","5","9","9","5","1") = "8"
    & skf18("7","7","5","9","9","6","1") = "8"
    & skf18("7","7","5","9","9","7","1") = "8"
    & skf18("7","7","5","9","9","8","1") = "8"
    & skf18("7","7","5","9","9","9","1") = "8"
    & skf18("7","7","5","9","9","10","1") = "9"
    & skf18("7","7","5","9","10","1","1") = "9"
    & skf18("7","7","5","9","10","2","1") = "9"
    & skf18("7","7","5","9","10","3","1") = "9"
    & skf18("7","7","5","9","10","4","1") = "9"
    & skf18("7","7","5","9","10","5","1") = "9"
    & skf18("7","7","5","9","10","6","1") = "9"
    & skf18("7","7","5","9","10","7","1") = "9"
    & skf18("7","7","5","9","10","8","1") = "9"
    & skf18("7","7","5","9","10","9","1") = "9"
    & skf18("7","7","5","9","10","10","1") = "9"
    & skf18("7","7","5","10","1","1","1") = "9"
    & skf18("7","7","5","10","1","2","1") = "9"
    & skf18("7","7","5","10","1","3","1") = "9"
    & skf18("7","7","5","10","1","4","1") = "9"
    & skf18("7","7","5","10","1","5","1") = "9"
    & skf18("7","7","5","10","1","6","1") = "9"
    & skf18("7","7","5","10","1","7","1") = "9"
    & skf18("7","7","5","10","1","8","1") = "9"
    & skf18("7","7","5","10","1","9","1") = "9"
    & skf18("7","7","5","10","1","10","1") = "9"
    & skf18("7","7","5","10","2","1","1") = "9"
    & skf18("7","7","5","10","2","2","1") = "9"
    & skf18("7","7","5","10","2","3","1") = "9"
    & skf18("7","7","5","10","2","4","1") = "9"
    & skf18("7","7","5","10","2","5","1") = "9"
    & skf18("7","7","5","10","2","6","1") = "9"
    & skf18("7","7","5","10","2","7","1") = "9"
    & skf18("7","7","5","10","2","8","1") = "9"
    & skf18("7","7","5","10","2","9","1") = "9"
    & skf18("7","7","5","10","2","10","1") = "9"
    & skf18("7","7","5","10","3","1","1") = "9"
    & skf18("7","7","5","10","3","2","1") = "9"
    & skf18("7","7","5","10","3","3","1") = "9"
    & skf18("7","7","5","10","3","4","1") = "9"
    & skf18("7","7","5","10","3","5","1") = "9"
    & skf18("7","7","5","10","3","6","1") = "9"
    & skf18("7","7","5","10","3","7","1") = "9"
    & skf18("7","7","5","10","3","8","1") = "9"
    & skf18("7","7","5","10","3","9","1") = "9"
    & skf18("7","7","5","10","3","10","1") = "9"
    & skf18("7","7","5","10","4","1","1") = "9"
    & skf18("7","7","5","10","4","2","1") = "9"
    & skf18("7","7","5","10","4","3","1") = "9"
    & skf18("7","7","5","10","4","4","1") = "9"
    & skf18("7","7","5","10","4","5","1") = "9"
    & skf18("7","7","5","10","4","6","1") = "9"
    & skf18("7","7","5","10","4","7","1") = "9"
    & skf18("7","7","5","10","4","8","1") = "9"
    & skf18("7","7","5","10","4","9","1") = "9"
    & skf18("7","7","5","10","4","10","1") = "9"
    & skf18("7","7","5","10","5","1","1") = "9"
    & skf18("7","7","5","10","5","2","1") = "9"
    & skf18("7","7","5","10","5","3","1") = "9"
    & skf18("7","7","5","10","5","4","1") = "9"
    & skf18("7","7","5","10","5","5","1") = "9"
    & skf18("7","7","5","10","5","6","1") = "9"
    & skf18("7","7","5","10","5","7","1") = "9"
    & skf18("7","7","5","10","5","8","1") = "9"
    & skf18("7","7","5","10","5","9","1") = "9"
    & skf18("7","7","5","10","5","10","1") = "9"
    & skf18("7","7","5","10","6","1","1") = "9"
    & skf18("7","7","5","10","6","2","1") = "9"
    & skf18("7","7","5","10","6","3","1") = "9"
    & skf18("7","7","5","10","6","4","1") = "9"
    & skf18("7","7","5","10","6","5","1") = "9"
    & skf18("7","7","5","10","6","6","1") = "9"
    & skf18("7","7","5","10","6","7","1") = "9"
    & skf18("7","7","5","10","6","8","1") = "9"
    & skf18("7","7","5","10","6","9","1") = "9"
    & skf18("7","7","5","10","6","10","1") = "9"
    & skf18("7","7","5","10","7","1","1") = "9"
    & skf18("7","7","5","10","7","2","1") = "9"
    & skf18("7","7","5","10","7","3","1") = "9"
    & skf18("7","7","5","10","7","4","1") = "9"
    & skf18("7","7","5","10","7","5","1") = "9"
    & skf18("7","7","5","10","7","6","1") = "9"
    & skf18("7","7","5","10","7","7","1") = "9"
    & skf18("7","7","5","10","7","8","1") = "9"
    & skf18("7","7","5","10","7","9","1") = "9"
    & skf18("7","7","5","10","7","10","1") = "9"
    & skf18("7","7","5","10","8","1","1") = "9"
    & skf18("7","7","5","10","8","2","1") = "9"
    & skf18("7","7","5","10","8","3","1") = "9"
    & skf18("7","7","5","10","8","4","1") = "9"
    & skf18("7","7","5","10","8","5","1") = "9"
    & skf18("7","7","5","10","8","6","1") = "9"
    & skf18("7","7","5","10","8","7","1") = "9"
    & skf18("7","7","5","10","8","8","1") = "9"
    & skf18("7","7","5","10","8","9","1") = "9"
    & skf18("7","7","5","10","8","10","1") = "9"
    & skf18("7","7","5","10","9","1","1") = "9"
    & skf18("7","7","5","10","9","2","1") = "9"
    & skf18("7","7","5","10","9","3","1") = "9"
    & skf18("7","7","5","10","9","4","1") = "9"
    & skf18("7","7","5","10","9","5","1") = "9"
    & skf18("7","7","5","10","9","6","1") = "9"
    & skf18("7","7","5","10","9","7","1") = "9"
    & skf18("7","7","5","10","9","8","1") = "9"
    & skf18("7","7","5","10","9","9","1") = "9"
    & skf18("7","7","5","10","9","10","1") = "9"
    & skf18("7","7","5","10","10","1","1") = "9"
    & skf18("7","7","5","10","10","2","1") = "9"
    & skf18("7","7","5","10","10","3","1") = "9"
    & skf18("7","7","5","10","10","4","1") = "9"
    & skf18("7","7","5","10","10","5","1") = "9"
    & skf18("7","7","5","10","10","6","1") = "9"
    & skf18("7","7","5","10","10","7","1") = "9"
    & skf18("7","7","5","10","10","8","1") = "9"
    & skf18("7","7","5","10","10","9","1") = "9"
    & skf18("7","7","5","10","10","10","1") = "9"
    & skf18("7","7","6","1","1","1","1") = "6"
    & skf18("7","7","6","1","1","2","1") = "6"
    & skf18("7","7","6","1","1","3","1") = "6"
    & skf18("7","7","6","1","1","4","1") = "6"
    & skf18("7","7","6","1","1","5","1") = "6"
    & skf18("7","7","6","1","1","6","1") = "6"
    & skf18("7","7","6","1","1","7","1") = "6"
    & skf18("7","7","6","1","1","8","1") = "7"
    & skf18("7","7","6","1","1","9","1") = "8"
    & skf18("7","7","6","1","1","10","1") = "9"
    & skf18("7","7","6","1","2","1","1") = "6"
    & skf18("7","7","6","1","2","2","1") = "6"
    & skf18("7","7","6","1","2","3","1") = "6"
    & skf18("7","7","6","1","2","4","1") = "6"
    & skf18("7","7","6","1","2","5","1") = "6"
    & skf18("7","7","6","1","2","6","1") = "6"
    & skf18("7","7","6","1","2","7","1") = "6"
    & skf18("7","7","6","1","2","8","1") = "7"
    & skf18("7","7","6","1","2","9","1") = "8"
    & skf18("7","7","6","1","2","10","1") = "9"
    & skf18("7","7","6","1","3","1","1") = "6"
    & skf18("7","7","6","1","3","2","1") = "6"
    & skf18("7","7","6","1","3","3","1") = "6"
    & skf18("7","7","6","1","3","4","1") = "6"
    & skf18("7","7","6","1","3","5","1") = "6"
    & skf18("7","7","6","1","3","6","1") = "6"
    & skf18("7","7","6","1","3","7","1") = "6"
    & skf18("7","7","6","1","3","8","1") = "7"
    & skf18("7","7","6","1","3","9","1") = "8"
    & skf18("7","7","6","1","3","10","1") = "9"
    & skf18("7","7","6","1","4","1","1") = "6"
    & skf18("7","7","6","1","4","2","1") = "6"
    & skf18("7","7","6","1","4","3","1") = "6"
    & skf18("7","7","6","1","4","4","1") = "6"
    & skf18("7","7","6","1","4","5","1") = "6"
    & skf18("7","7","6","1","4","6","1") = "6"
    & skf18("7","7","6","1","4","7","1") = "6"
    & skf18("7","7","6","1","4","8","1") = "7"
    & skf18("7","7","6","1","4","9","1") = "8"
    & skf18("7","7","6","1","4","10","1") = "9"
    & skf18("7","7","6","1","5","1","1") = "6"
    & skf18("7","7","6","1","5","2","1") = "6"
    & skf18("7","7","6","1","5","3","1") = "6"
    & skf18("7","7","6","1","5","4","1") = "6"
    & skf18("7","7","6","1","5","5","1") = "6"
    & skf18("7","7","6","1","5","6","1") = "6"
    & skf18("7","7","6","1","5","7","1") = "6"
    & skf18("7","7","6","1","5","8","1") = "7"
    & skf18("7","7","6","1","5","9","1") = "8"
    & skf18("7","7","6","1","5","10","1") = "9"
    & skf18("7","7","6","1","6","1","1") = "6"
    & skf18("7","7","6","1","6","2","1") = "6"
    & skf18("7","7","6","1","6","3","1") = "6"
    & skf18("7","7","6","1","6","4","1") = "6"
    & skf18("7","7","6","1","6","5","1") = "6"
    & skf18("7","7","6","1","6","6","1") = "6"
    & skf18("7","7","6","1","6","7","1") = "6"
    & skf18("7","7","6","1","6","8","1") = "7"
    & skf18("7","7","6","1","6","9","1") = "8"
    & skf18("7","7","6","1","6","10","1") = "9"
    & skf18("7","7","6","1","7","1","1") = "6"
    & skf18("7","7","6","1","7","2","1") = "6"
    & skf18("7","7","6","1","7","3","1") = "6"
    & skf18("7","7","6","1","7","4","1") = "6"
    & skf18("7","7","6","1","7","5","1") = "6"
    & skf18("7","7","6","1","7","6","1") = "6"
    & skf18("7","7","6","1","7","7","1") = "6"
    & skf18("7","7","6","1","7","8","1") = "7"
    & skf18("7","7","6","1","7","9","1") = "8"
    & skf18("7","7","6","1","7","10","1") = "9"
    & skf18("7","7","6","1","8","1","1") = "7"
    & skf18("7","7","6","1","8","2","1") = "7"
    & skf18("7","7","6","1","8","3","1") = "7"
    & skf18("7","7","6","1","8","4","1") = "7"
    & skf18("7","7","6","1","8","5","1") = "7"
    & skf18("7","7","6","1","8","6","1") = "7"
    & skf18("7","7","6","1","8","7","1") = "7"
    & skf18("7","7","6","1","8","8","1") = "7"
    & skf18("7","7","6","1","8","9","1") = "8"
    & skf18("7","7","6","1","8","10","1") = "9"
    & skf18("7","7","6","1","9","1","1") = "8"
    & skf18("7","7","6","1","9","2","1") = "8"
    & skf18("7","7","6","1","9","3","1") = "8"
    & skf18("7","7","6","1","9","4","1") = "8"
    & skf18("7","7","6","1","9","5","1") = "8"
    & skf18("7","7","6","1","9","6","1") = "8"
    & skf18("7","7","6","1","9","7","1") = "8"
    & skf18("7","7","6","1","9","8","1") = "8"
    & skf18("7","7","6","1","9","9","1") = "8"
    & skf18("7","7","6","1","9","10","1") = "9"
    & skf18("7","7","6","1","10","1","1") = "9"
    & skf18("7","7","6","1","10","2","1") = "9"
    & skf18("7","7","6","1","10","3","1") = "9"
    & skf18("7","7","6","1","10","4","1") = "9"
    & skf18("7","7","6","1","10","5","1") = "9"
    & skf18("7","7","6","1","10","6","1") = "9"
    & skf18("7","7","6","1","10","7","1") = "9"
    & skf18("7","7","6","1","10","8","1") = "9"
    & skf18("7","7","6","1","10","9","1") = "9"
    & skf18("7","7","6","1","10","10","1") = "9"
    & skf18("7","7","6","2","1","1","1") = "6"
    & skf18("7","7","6","2","1","2","1") = "6"
    & skf18("7","7","6","2","1","3","1") = "6"
    & skf18("7","7","6","2","1","4","1") = "6"
    & skf18("7","7","6","2","1","5","1") = "6"
    & skf18("7","7","6","2","1","6","1") = "6"
    & skf18("7","7","6","2","1","7","1") = "6"
    & skf18("7","7","6","2","1","8","1") = "7"
    & skf18("7","7","6","2","1","9","1") = "8"
    & skf18("7","7","6","2","1","10","1") = "9"
    & skf18("7","7","6","2","2","1","1") = "6"
    & skf18("7","7","6","2","2","2","1") = "6"
    & skf18("7","7","6","2","2","3","1") = "6"
    & skf18("7","7","6","2","2","4","1") = "6"
    & skf18("7","7","6","2","2","5","1") = "6"
    & skf18("7","7","6","2","2","6","1") = "6"
    & skf18("7","7","6","2","2","7","1") = "6"
    & skf18("7","7","6","2","2","8","1") = "7"
    & skf18("7","7","6","2","2","9","1") = "8"
    & skf18("7","7","6","2","2","10","1") = "9"
    & skf18("7","7","6","2","3","1","1") = "6"
    & skf18("7","7","6","2","3","2","1") = "6"
    & skf18("7","7","6","2","3","3","1") = "6"
    & skf18("7","7","6","2","3","4","1") = "6"
    & skf18("7","7","6","2","3","5","1") = "6"
    & skf18("7","7","6","2","3","6","1") = "6"
    & skf18("7","7","6","2","3","7","1") = "6"
    & skf18("7","7","6","2","3","8","1") = "7"
    & skf18("7","7","6","2","3","9","1") = "8"
    & skf18("7","7","6","2","3","10","1") = "9"
    & skf18("7","7","6","2","4","1","1") = "6"
    & skf18("7","7","6","2","4","2","1") = "6"
    & skf18("7","7","6","2","4","3","1") = "6"
    & skf18("7","7","6","2","4","4","1") = "6"
    & skf18("7","7","6","2","4","5","1") = "6"
    & skf18("7","7","6","2","4","6","1") = "6"
    & skf18("7","7","6","2","4","7","1") = "6"
    & skf18("7","7","6","2","4","8","1") = "7"
    & skf18("7","7","6","2","4","9","1") = "8"
    & skf18("7","7","6","2","4","10","1") = "9"
    & skf18("7","7","6","2","5","1","1") = "6"
    & skf18("7","7","6","2","5","2","1") = "6"
    & skf18("7","7","6","2","5","3","1") = "6"
    & skf18("7","7","6","2","5","4","1") = "6"
    & skf18("7","7","6","2","5","5","1") = "6"
    & skf18("7","7","6","2","5","6","1") = "6"
    & skf18("7","7","6","2","5","7","1") = "6"
    & skf18("7","7","6","2","5","8","1") = "7"
    & skf18("7","7","6","2","5","9","1") = "8"
    & skf18("7","7","6","2","5","10","1") = "9"
    & skf18("7","7","6","2","6","1","1") = "6"
    & skf18("7","7","6","2","6","2","1") = "6"
    & skf18("7","7","6","2","6","3","1") = "6"
    & skf18("7","7","6","2","6","4","1") = "6"
    & skf18("7","7","6","2","6","5","1") = "6"
    & skf18("7","7","6","2","6","6","1") = "6"
    & skf18("7","7","6","2","6","7","1") = "6"
    & skf18("7","7","6","2","6","8","1") = "7"
    & skf18("7","7","6","2","6","9","1") = "8"
    & skf18("7","7","6","2","6","10","1") = "9"
    & skf18("7","7","6","2","7","1","1") = "6"
    & skf18("7","7","6","2","7","2","1") = "6"
    & skf18("7","7","6","2","7","3","1") = "6"
    & skf18("7","7","6","2","7","4","1") = "6"
    & skf18("7","7","6","2","7","5","1") = "6"
    & skf18("7","7","6","2","7","6","1") = "6"
    & skf18("7","7","6","2","7","7","1") = "6"
    & skf18("7","7","6","2","7","8","1") = "7"
    & skf18("7","7","6","2","7","9","1") = "8"
    & skf18("7","7","6","2","7","10","1") = "9"
    & skf18("7","7","6","2","8","1","1") = "7"
    & skf18("7","7","6","2","8","2","1") = "7"
    & skf18("7","7","6","2","8","3","1") = "7"
    & skf18("7","7","6","2","8","4","1") = "7"
    & skf18("7","7","6","2","8","5","1") = "7"
    & skf18("7","7","6","2","8","6","1") = "7"
    & skf18("7","7","6","2","8","7","1") = "7"
    & skf18("7","7","6","2","8","8","1") = "7"
    & skf18("7","7","6","2","8","9","1") = "8"
    & skf18("7","7","6","2","8","10","1") = "9"
    & skf18("7","7","6","2","9","1","1") = "8"
    & skf18("7","7","6","2","9","2","1") = "8"
    & skf18("7","7","6","2","9","3","1") = "8"
    & skf18("7","7","6","2","9","4","1") = "8"
    & skf18("7","7","6","2","9","5","1") = "8"
    & skf18("7","7","6","2","9","6","1") = "8"
    & skf18("7","7","6","2","9","7","1") = "8"
    & skf18("7","7","6","2","9","8","1") = "8"
    & skf18("7","7","6","2","9","9","1") = "8"
    & skf18("7","7","6","2","9","10","1") = "9"
    & skf18("7","7","6","2","10","1","1") = "9"
    & skf18("7","7","6","2","10","2","1") = "9"
    & skf18("7","7","6","2","10","3","1") = "9"
    & skf18("7","7","6","2","10","4","1") = "9"
    & skf18("7","7","6","2","10","5","1") = "9"
    & skf18("7","7","6","2","10","6","1") = "9"
    & skf18("7","7","6","2","10","7","1") = "9"
    & skf18("7","7","6","2","10","8","1") = "9"
    & skf18("7","7","6","2","10","9","1") = "9"
    & skf18("7","7","6","2","10","10","1") = "9"
    & skf18("7","7","6","3","1","1","1") = "6"
    & skf18("7","7","6","3","1","2","1") = "6"
    & skf18("7","7","6","3","1","3","1") = "6"
    & skf18("7","7","6","3","1","4","1") = "6"
    & skf18("7","7","6","3","1","5","1") = "6"
    & skf18("7","7","6","3","1","6","1") = "6"
    & skf18("7","7","6","3","1","7","1") = "6"
    & skf18("7","7","6","3","1","8","1") = "7"
    & skf18("7","7","6","3","1","9","1") = "8"
    & skf18("7","7","6","3","1","10","1") = "9"
    & skf18("7","7","6","3","2","1","1") = "6"
    & skf18("7","7","6","3","2","2","1") = "6"
    & skf18("7","7","6","3","2","3","1") = "6"
    & skf18("7","7","6","3","2","4","1") = "6"
    & skf18("7","7","6","3","2","5","1") = "6"
    & skf18("7","7","6","3","2","6","1") = "6"
    & skf18("7","7","6","3","2","7","1") = "6"
    & skf18("7","7","6","3","2","8","1") = "7"
    & skf18("7","7","6","3","2","9","1") = "8"
    & skf18("7","7","6","3","2","10","1") = "9"
    & skf18("7","7","6","3","3","1","1") = "6"
    & skf18("7","7","6","3","3","2","1") = "6"
    & skf18("7","7","6","3","3","3","1") = "6"
    & skf18("7","7","6","3","3","4","1") = "6"
    & skf18("7","7","6","3","3","5","1") = "6"
    & skf18("7","7","6","3","3","6","1") = "6"
    & skf18("7","7","6","3","3","7","1") = "6"
    & skf18("7","7","6","3","3","8","1") = "7"
    & skf18("7","7","6","3","3","9","1") = "8"
    & skf18("7","7","6","3","3","10","1") = "9"
    & skf18("7","7","6","3","4","1","1") = "6"
    & skf18("7","7","6","3","4","2","1") = "6"
    & skf18("7","7","6","3","4","3","1") = "6"
    & skf18("7","7","6","3","4","4","1") = "6"
    & skf18("7","7","6","3","4","5","1") = "6"
    & skf18("7","7","6","3","4","6","1") = "6"
    & skf18("7","7","6","3","4","7","1") = "6"
    & skf18("7","7","6","3","4","8","1") = "7"
    & skf18("7","7","6","3","4","9","1") = "8"
    & skf18("7","7","6","3","4","10","1") = "9"
    & skf18("7","7","6","3","5","1","1") = "6"
    & skf18("7","7","6","3","5","2","1") = "6"
    & skf18("7","7","6","3","5","3","1") = "6"
    & skf18("7","7","6","3","5","4","1") = "6"
    & skf18("7","7","6","3","5","5","1") = "6"
    & skf18("7","7","6","3","5","6","1") = "6"
    & skf18("7","7","6","3","5","7","1") = "6"
    & skf18("7","7","6","3","5","8","1") = "7"
    & skf18("7","7","6","3","5","9","1") = "8"
    & skf18("7","7","6","3","5","10","1") = "9"
    & skf18("7","7","6","3","6","1","1") = "6"
    & skf18("7","7","6","3","6","2","1") = "6"
    & skf18("7","7","6","3","6","3","1") = "6"
    & skf18("7","7","6","3","6","4","1") = "6"
    & skf18("7","7","6","3","6","5","1") = "6"
    & skf18("7","7","6","3","6","6","1") = "6"
    & skf18("7","7","6","3","6","7","1") = "6"
    & skf18("7","7","6","3","6","8","1") = "7"
    & skf18("7","7","6","3","6","9","1") = "8"
    & skf18("7","7","6","3","6","10","1") = "9"
    & skf18("7","7","6","3","7","1","1") = "6"
    & skf18("7","7","6","3","7","2","1") = "6"
    & skf18("7","7","6","3","7","3","1") = "6"
    & skf18("7","7","6","3","7","4","1") = "6"
    & skf18("7","7","6","3","7","5","1") = "6"
    & skf18("7","7","6","3","7","6","1") = "6"
    & skf18("7","7","6","3","7","7","1") = "6"
    & skf18("7","7","6","3","7","8","1") = "7"
    & skf18("7","7","6","3","7","9","1") = "8"
    & skf18("7","7","6","3","7","10","1") = "9"
    & skf18("7","7","6","3","8","1","1") = "7"
    & skf18("7","7","6","3","8","2","1") = "7"
    & skf18("7","7","6","3","8","3","1") = "7"
    & skf18("7","7","6","3","8","4","1") = "7"
    & skf18("7","7","6","3","8","5","1") = "7"
    & skf18("7","7","6","3","8","6","1") = "7"
    & skf18("7","7","6","3","8","7","1") = "7"
    & skf18("7","7","6","3","8","8","1") = "7"
    & skf18("7","7","6","3","8","9","1") = "8"
    & skf18("7","7","6","3","8","10","1") = "9"
    & skf18("7","7","6","3","9","1","1") = "8"
    & skf18("7","7","6","3","9","2","1") = "8"
    & skf18("7","7","6","3","9","3","1") = "8"
    & skf18("7","7","6","3","9","4","1") = "8"
    & skf18("7","7","6","3","9","5","1") = "8"
    & skf18("7","7","6","3","9","6","1") = "8"
    & skf18("7","7","6","3","9","7","1") = "8"
    & skf18("7","7","6","3","9","8","1") = "8"
    & skf18("7","7","6","3","9","9","1") = "8"
    & skf18("7","7","6","3","9","10","1") = "9"
    & skf18("7","7","6","3","10","1","1") = "9"
    & skf18("7","7","6","3","10","2","1") = "9"
    & skf18("7","7","6","3","10","3","1") = "9"
    & skf18("7","7","6","3","10","4","1") = "9"
    & skf18("7","7","6","3","10","5","1") = "9"
    & skf18("7","7","6","3","10","6","1") = "9"
    & skf18("7","7","6","3","10","7","1") = "9"
    & skf18("7","7","6","3","10","8","1") = "9"
    & skf18("7","7","6","3","10","9","1") = "9"
    & skf18("7","7","6","3","10","10","1") = "9"
    & skf18("7","7","6","4","1","1","1") = "6"
    & skf18("7","7","6","4","1","2","1") = "6"
    & skf18("7","7","6","4","1","3","1") = "6"
    & skf18("7","7","6","4","1","4","1") = "6"
    & skf18("7","7","6","4","1","5","1") = "6"
    & skf18("7","7","6","4","1","6","1") = "6"
    & skf18("7","7","6","4","1","7","1") = "6"
    & skf18("7","7","6","4","1","8","1") = "7"
    & skf18("7","7","6","4","1","9","1") = "8"
    & skf18("7","7","6","4","1","10","1") = "9"
    & skf18("7","7","6","4","2","1","1") = "6"
    & skf18("7","7","6","4","2","2","1") = "6"
    & skf18("7","7","6","4","2","3","1") = "6"
    & skf18("7","7","6","4","2","4","1") = "6"
    & skf18("7","7","6","4","2","5","1") = "6"
    & skf18("7","7","6","4","2","6","1") = "6"
    & skf18("7","7","6","4","2","7","1") = "6"
    & skf18("7","7","6","4","2","8","1") = "7"
    & skf18("7","7","6","4","2","9","1") = "8"
    & skf18("7","7","6","4","2","10","1") = "9"
    & skf18("7","7","6","4","3","1","1") = "6"
    & skf18("7","7","6","4","3","2","1") = "6"
    & skf18("7","7","6","4","3","3","1") = "6"
    & skf18("7","7","6","4","3","4","1") = "6"
    & skf18("7","7","6","4","3","5","1") = "6"
    & skf18("7","7","6","4","3","6","1") = "6"
    & skf18("7","7","6","4","3","7","1") = "6"
    & skf18("7","7","6","4","3","8","1") = "7"
    & skf18("7","7","6","4","3","9","1") = "8"
    & skf18("7","7","6","4","3","10","1") = "9"
    & skf18("7","7","6","4","4","1","1") = "6"
    & skf18("7","7","6","4","4","2","1") = "6"
    & skf18("7","7","6","4","4","3","1") = "6"
    & skf18("7","7","6","4","4","4","1") = "6"
    & skf18("7","7","6","4","4","5","1") = "6"
    & skf18("7","7","6","4","4","6","1") = "6"
    & skf18("7","7","6","4","4","7","1") = "6"
    & skf18("7","7","6","4","4","8","1") = "7"
    & skf18("7","7","6","4","4","9","1") = "8"
    & skf18("7","7","6","4","4","10","1") = "9"
    & skf18("7","7","6","4","5","1","1") = "6"
    & skf18("7","7","6","4","5","2","1") = "6"
    & skf18("7","7","6","4","5","3","1") = "6"
    & skf18("7","7","6","4","5","4","1") = "6"
    & skf18("7","7","6","4","5","5","1") = "6"
    & skf18("7","7","6","4","5","6","1") = "6"
    & skf18("7","7","6","4","5","7","1") = "6"
    & skf18("7","7","6","4","5","8","1") = "7"
    & skf18("7","7","6","4","5","9","1") = "8"
    & skf18("7","7","6","4","5","10","1") = "9"
    & skf18("7","7","6","4","6","1","1") = "6"
    & skf18("7","7","6","4","6","2","1") = "6"
    & skf18("7","7","6","4","6","3","1") = "6"
    & skf18("7","7","6","4","6","4","1") = "6"
    & skf18("7","7","6","4","6","5","1") = "6"
    & skf18("7","7","6","4","6","6","1") = "6"
    & skf18("7","7","6","4","6","7","1") = "6"
    & skf18("7","7","6","4","6","8","1") = "7"
    & skf18("7","7","6","4","6","9","1") = "8"
    & skf18("7","7","6","4","6","10","1") = "9"
    & skf18("7","7","6","4","7","1","1") = "6"
    & skf18("7","7","6","4","7","2","1") = "6"
    & skf18("7","7","6","4","7","3","1") = "6"
    & skf18("7","7","6","4","7","4","1") = "6"
    & skf18("7","7","6","4","7","5","1") = "6"
    & skf18("7","7","6","4","7","6","1") = "6"
    & skf18("7","7","6","4","7","7","1") = "6"
    & skf18("7","7","6","4","7","8","1") = "7"
    & skf18("7","7","6","4","7","9","1") = "8"
    & skf18("7","7","6","4","7","10","1") = "9"
    & skf18("7","7","6","4","8","1","1") = "7"
    & skf18("7","7","6","4","8","2","1") = "7"
    & skf18("7","7","6","4","8","3","1") = "7"
    & skf18("7","7","6","4","8","4","1") = "7"
    & skf18("7","7","6","4","8","5","1") = "7"
    & skf18("7","7","6","4","8","6","1") = "7"
    & skf18("7","7","6","4","8","7","1") = "7"
    & skf18("7","7","6","4","8","8","1") = "7"
    & skf18("7","7","6","4","8","9","1") = "8"
    & skf18("7","7","6","4","8","10","1") = "9"
    & skf18("7","7","6","4","9","1","1") = "8"
    & skf18("7","7","6","4","9","2","1") = "8"
    & skf18("7","7","6","4","9","3","1") = "8"
    & skf18("7","7","6","4","9","4","1") = "8"
    & skf18("7","7","6","4","9","5","1") = "8"
    & skf18("7","7","6","4","9","6","1") = "8"
    & skf18("7","7","6","4","9","7","1") = "8"
    & skf18("7","7","6","4","9","8","1") = "8"
    & skf18("7","7","6","4","9","9","1") = "8"
    & skf18("7","7","6","4","9","10","1") = "9"
    & skf18("7","7","6","4","10","1","1") = "9"
    & skf18("7","7","6","4","10","2","1") = "9"
    & skf18("7","7","6","4","10","3","1") = "9"
    & skf18("7","7","6","4","10","4","1") = "9"
    & skf18("7","7","6","4","10","5","1") = "9"
    & skf18("7","7","6","4","10","6","1") = "9"
    & skf18("7","7","6","4","10","7","1") = "9"
    & skf18("7","7","6","4","10","8","1") = "9"
    & skf18("7","7","6","4","10","9","1") = "9"
    & skf18("7","7","6","4","10","10","1") = "9"
    & skf18("7","7","6","5","1","1","1") = "6"
    & skf18("7","7","6","5","1","2","1") = "6"
    & skf18("7","7","6","5","1","3","1") = "6"
    & skf18("7","7","6","5","1","4","1") = "6"
    & skf18("7","7","6","5","1","5","1") = "6"
    & skf18("7","7","6","5","1","6","1") = "6"
    & skf18("7","7","6","5","1","7","1") = "6"
    & skf18("7","7","6","5","1","8","1") = "7"
    & skf18("7","7","6","5","1","9","1") = "8"
    & skf18("7","7","6","5","1","10","1") = "9"
    & skf18("7","7","6","5","2","1","1") = "6"
    & skf18("7","7","6","5","2","2","1") = "6"
    & skf18("7","7","6","5","2","3","1") = "6"
    & skf18("7","7","6","5","2","4","1") = "6"
    & skf18("7","7","6","5","2","5","1") = "6"
    & skf18("7","7","6","5","2","6","1") = "6"
    & skf18("7","7","6","5","2","7","1") = "6"
    & skf18("7","7","6","5","2","8","1") = "7"
    & skf18("7","7","6","5","2","9","1") = "8"
    & skf18("7","7","6","5","2","10","1") = "9"
    & skf18("7","7","6","5","3","1","1") = "6"
    & skf18("7","7","6","5","3","2","1") = "6"
    & skf18("7","7","6","5","3","3","1") = "6"
    & skf18("7","7","6","5","3","4","1") = "6"
    & skf18("7","7","6","5","3","5","1") = "6"
    & skf18("7","7","6","5","3","6","1") = "6"
    & skf18("7","7","6","5","3","7","1") = "6"
    & skf18("7","7","6","5","3","8","1") = "7"
    & skf18("7","7","6","5","3","9","1") = "8"
    & skf18("7","7","6","5","3","10","1") = "9"
    & skf18("7","7","6","5","4","1","1") = "6"
    & skf18("7","7","6","5","4","2","1") = "6"
    & skf18("7","7","6","5","4","3","1") = "6"
    & skf18("7","7","6","5","4","4","1") = "6"
    & skf18("7","7","6","5","4","5","1") = "6"
    & skf18("7","7","6","5","4","6","1") = "6"
    & skf18("7","7","6","5","4","7","1") = "6"
    & skf18("7","7","6","5","4","8","1") = "7"
    & skf18("7","7","6","5","4","9","1") = "8"
    & skf18("7","7","6","5","4","10","1") = "9"
    & skf18("7","7","6","5","5","1","1") = "6"
    & skf18("7","7","6","5","5","2","1") = "6"
    & skf18("7","7","6","5","5","3","1") = "6"
    & skf18("7","7","6","5","5","4","1") = "6"
    & skf18("7","7","6","5","5","5","1") = "6"
    & skf18("7","7","6","5","5","6","1") = "6"
    & skf18("7","7","6","5","5","7","1") = "6"
    & skf18("7","7","6","5","5","8","1") = "7"
    & skf18("7","7","6","5","5","9","1") = "8"
    & skf18("7","7","6","5","5","10","1") = "9"
    & skf18("7","7","6","5","6","1","1") = "6"
    & skf18("7","7","6","5","6","2","1") = "6"
    & skf18("7","7","6","5","6","3","1") = "6"
    & skf18("7","7","6","5","6","4","1") = "6"
    & skf18("7","7","6","5","6","5","1") = "6"
    & skf18("7","7","6","5","6","6","1") = "6"
    & skf18("7","7","6","5","6","7","1") = "6"
    & skf18("7","7","6","5","6","8","1") = "7"
    & skf18("7","7","6","5","6","9","1") = "8"
    & skf18("7","7","6","5","6","10","1") = "9"
    & skf18("7","7","6","5","7","1","1") = "6"
    & skf18("7","7","6","5","7","2","1") = "6"
    & skf18("7","7","6","5","7","3","1") = "6"
    & skf18("7","7","6","5","7","4","1") = "6"
    & skf18("7","7","6","5","7","5","1") = "6"
    & skf18("7","7","6","5","7","6","1") = "6"
    & skf18("7","7","6","5","7","7","1") = "6"
    & skf18("7","7","6","5","7","8","1") = "7"
    & skf18("7","7","6","5","7","9","1") = "8"
    & skf18("7","7","6","5","7","10","1") = "9"
    & skf18("7","7","6","5","8","1","1") = "7"
    & skf18("7","7","6","5","8","2","1") = "7"
    & skf18("7","7","6","5","8","3","1") = "7"
    & skf18("7","7","6","5","8","4","1") = "7"
    & skf18("7","7","6","5","8","5","1") = "7"
    & skf18("7","7","6","5","8","6","1") = "7"
    & skf18("7","7","6","5","8","7","1") = "7"
    & skf18("7","7","6","5","8","8","1") = "7"
    & skf18("7","7","6","5","8","9","1") = "8"
    & skf18("7","7","6","5","8","10","1") = "9"
    & skf18("7","7","6","5","9","1","1") = "8"
    & skf18("7","7","6","5","9","2","1") = "8"
    & skf18("7","7","6","5","9","3","1") = "8"
    & skf18("7","7","6","5","9","4","1") = "8"
    & skf18("7","7","6","5","9","5","1") = "8"
    & skf18("7","7","6","5","9","6","1") = "8"
    & skf18("7","7","6","5","9","7","1") = "8"
    & skf18("7","7","6","5","9","8","1") = "8"
    & skf18("7","7","6","5","9","9","1") = "8"
    & skf18("7","7","6","5","9","10","1") = "9"
    & skf18("7","7","6","5","10","1","1") = "9"
    & skf18("7","7","6","5","10","2","1") = "9"
    & skf18("7","7","6","5","10","3","1") = "9"
    & skf18("7","7","6","5","10","4","1") = "9"
    & skf18("7","7","6","5","10","5","1") = "9"
    & skf18("7","7","6","5","10","6","1") = "9"
    & skf18("7","7","6","5","10","7","1") = "9"
    & skf18("7","7","6","5","10","8","1") = "9"
    & skf18("7","7","6","5","10","9","1") = "9"
    & skf18("7","7","6","5","10","10","1") = "9"
    & skf18("7","7","6","6","1","1","1") = "6"
    & skf18("7","7","6","6","1","2","1") = "6"
    & skf18("7","7","6","6","1","3","1") = "6"
    & skf18("7","7","6","6","1","4","1") = "6"
    & skf18("7","7","6","6","1","5","1") = "6"
    & skf18("7","7","6","6","1","6","1") = "6"
    & skf18("7","7","6","6","1","7","1") = "6"
    & skf18("7","7","6","6","1","8","1") = "7"
    & skf18("7","7","6","6","1","9","1") = "8"
    & skf18("7","7","6","6","1","10","1") = "9"
    & skf18("7","7","6","6","2","1","1") = "6"
    & skf18("7","7","6","6","2","2","1") = "6"
    & skf18("7","7","6","6","2","3","1") = "6"
    & skf18("7","7","6","6","2","4","1") = "6"
    & skf18("7","7","6","6","2","5","1") = "6"
    & skf18("7","7","6","6","2","6","1") = "6"
    & skf18("7","7","6","6","2","7","1") = "6"
    & skf18("7","7","6","6","2","8","1") = "7"
    & skf18("7","7","6","6","2","9","1") = "8"
    & skf18("7","7","6","6","2","10","1") = "9"
    & skf18("7","7","6","6","3","1","1") = "6"
    & skf18("7","7","6","6","3","2","1") = "6"
    & skf18("7","7","6","6","3","3","1") = "6"
    & skf18("7","7","6","6","3","4","1") = "6"
    & skf18("7","7","6","6","3","5","1") = "6"
    & skf18("7","7","6","6","3","6","1") = "6"
    & skf18("7","7","6","6","3","7","1") = "6"
    & skf18("7","7","6","6","3","8","1") = "7"
    & skf18("7","7","6","6","3","9","1") = "8"
    & skf18("7","7","6","6","3","10","1") = "9"
    & skf18("7","7","6","6","4","1","1") = "6"
    & skf18("7","7","6","6","4","2","1") = "6"
    & skf18("7","7","6","6","4","3","1") = "6"
    & skf18("7","7","6","6","4","4","1") = "6"
    & skf18("7","7","6","6","4","5","1") = "6"
    & skf18("7","7","6","6","4","6","1") = "6"
    & skf18("7","7","6","6","4","7","1") = "6"
    & skf18("7","7","6","6","4","8","1") = "7"
    & skf18("7","7","6","6","4","9","1") = "8"
    & skf18("7","7","6","6","4","10","1") = "9"
    & skf18("7","7","6","6","5","1","1") = "6"
    & skf18("7","7","6","6","5","2","1") = "6"
    & skf18("7","7","6","6","5","3","1") = "6"
    & skf18("7","7","6","6","5","4","1") = "6"
    & skf18("7","7","6","6","5","5","1") = "6"
    & skf18("7","7","6","6","5","6","1") = "6"
    & skf18("7","7","6","6","5","7","1") = "6"
    & skf18("7","7","6","6","5","8","1") = "7"
    & skf18("7","7","6","6","5","9","1") = "8"
    & skf18("7","7","6","6","5","10","1") = "9"
    & skf18("7","7","6","6","6","1","1") = "6"
    & skf18("7","7","6","6","6","2","1") = "6"
    & skf18("7","7","6","6","6","3","1") = "6"
    & skf18("7","7","6","6","6","4","1") = "6"
    & skf18("7","7","6","6","6","5","1") = "6"
    & skf18("7","7","6","6","6","6","1") = "6"
    & skf18("7","7","6","6","6","7","1") = "6"
    & skf18("7","7","6","6","6","8","1") = "7"
    & skf18("7","7","6","6","6","9","1") = "8"
    & skf18("7","7","6","6","6","10","1") = "9"
    & skf18("7","7","6","6","7","1","1") = "6"
    & skf18("7","7","6","6","7","2","1") = "6"
    & skf18("7","7","6","6","7","3","1") = "6"
    & skf18("7","7","6","6","7","4","1") = "6"
    & skf18("7","7","6","6","7","5","1") = "6"
    & skf18("7","7","6","6","7","6","1") = "6"
    & skf18("7","7","6","6","7","7","1") = "6"
    & skf18("7","7","6","6","7","8","1") = "7"
    & skf18("7","7","6","6","7","9","1") = "8"
    & skf18("7","7","6","6","7","10","1") = "9"
    & skf18("7","7","6","6","8","1","1") = "7"
    & skf18("7","7","6","6","8","2","1") = "7"
    & skf18("7","7","6","6","8","3","1") = "7"
    & skf18("7","7","6","6","8","4","1") = "7"
    & skf18("7","7","6","6","8","5","1") = "7"
    & skf18("7","7","6","6","8","6","1") = "7"
    & skf18("7","7","6","6","8","7","1") = "7"
    & skf18("7","7","6","6","8","8","1") = "7"
    & skf18("7","7","6","6","8","9","1") = "8"
    & skf18("7","7","6","6","8","10","1") = "9"
    & skf18("7","7","6","6","9","1","1") = "8"
    & skf18("7","7","6","6","9","2","1") = "8"
    & skf18("7","7","6","6","9","3","1") = "8"
    & skf18("7","7","6","6","9","4","1") = "8"
    & skf18("7","7","6","6","9","5","1") = "8"
    & skf18("7","7","6","6","9","6","1") = "8"
    & skf18("7","7","6","6","9","7","1") = "8"
    & skf18("7","7","6","6","9","8","1") = "8"
    & skf18("7","7","6","6","9","9","1") = "8"
    & skf18("7","7","6","6","9","10","1") = "9"
    & skf18("7","7","6","6","10","1","1") = "9"
    & skf18("7","7","6","6","10","2","1") = "9"
    & skf18("7","7","6","6","10","3","1") = "9"
    & skf18("7","7","6","6","10","4","1") = "9"
    & skf18("7","7","6","6","10","5","1") = "9"
    & skf18("7","7","6","6","10","6","1") = "9"
    & skf18("7","7","6","6","10","7","1") = "9"
    & skf18("7","7","6","6","10","8","1") = "9"
    & skf18("7","7","6","6","10","9","1") = "9"
    & skf18("7","7","6","6","10","10","1") = "9"
    & skf18("7","7","6","7","1","1","1") = "6"
    & skf18("7","7","6","7","1","2","1") = "6"
    & skf18("7","7","6","7","1","3","1") = "6"
    & skf18("7","7","6","7","1","4","1") = "6"
    & skf18("7","7","6","7","1","5","1") = "6"
    & skf18("7","7","6","7","1","6","1") = "6"
    & skf18("7","7","6","7","1","7","1") = "6"
    & skf18("7","7","6","7","1","8","1") = "7"
    & skf18("7","7","6","7","1","9","1") = "8"
    & skf18("7","7","6","7","1","10","1") = "9"
    & skf18("7","7","6","7","2","1","1") = "6"
    & skf18("7","7","6","7","2","2","1") = "6"
    & skf18("7","7","6","7","2","3","1") = "6"
    & skf18("7","7","6","7","2","4","1") = "6"
    & skf18("7","7","6","7","2","5","1") = "6"
    & skf18("7","7","6","7","2","6","1") = "6"
    & skf18("7","7","6","7","2","7","1") = "6"
    & skf18("7","7","6","7","2","8","1") = "7"
    & skf18("7","7","6","7","2","9","1") = "8"
    & skf18("7","7","6","7","2","10","1") = "9"
    & skf18("7","7","6","7","3","1","1") = "6"
    & skf18("7","7","6","7","3","2","1") = "6"
    & skf18("7","7","6","7","3","3","1") = "6"
    & skf18("7","7","6","7","3","4","1") = "6"
    & skf18("7","7","6","7","3","5","1") = "6"
    & skf18("7","7","6","7","3","6","1") = "6"
    & skf18("7","7","6","7","3","7","1") = "6"
    & skf18("7","7","6","7","3","8","1") = "7"
    & skf18("7","7","6","7","3","9","1") = "8"
    & skf18("7","7","6","7","3","10","1") = "9"
    & skf18("7","7","6","7","4","1","1") = "6"
    & skf18("7","7","6","7","4","2","1") = "6"
    & skf18("7","7","6","7","4","3","1") = "6"
    & skf18("7","7","6","7","4","4","1") = "6"
    & skf18("7","7","6","7","4","5","1") = "6"
    & skf18("7","7","6","7","4","6","1") = "6"
    & skf18("7","7","6","7","4","7","1") = "6"
    & skf18("7","7","6","7","4","8","1") = "7"
    & skf18("7","7","6","7","4","9","1") = "8"
    & skf18("7","7","6","7","4","10","1") = "9"
    & skf18("7","7","6","7","5","1","1") = "6"
    & skf18("7","7","6","7","5","2","1") = "6"
    & skf18("7","7","6","7","5","3","1") = "6"
    & skf18("7","7","6","7","5","4","1") = "6"
    & skf18("7","7","6","7","5","5","1") = "6"
    & skf18("7","7","6","7","5","6","1") = "6"
    & skf18("7","7","6","7","5","7","1") = "6"
    & skf18("7","7","6","7","5","8","1") = "7"
    & skf18("7","7","6","7","5","9","1") = "8"
    & skf18("7","7","6","7","5","10","1") = "9"
    & skf18("7","7","6","7","6","1","1") = "6"
    & skf18("7","7","6","7","6","2","1") = "6"
    & skf18("7","7","6","7","6","3","1") = "6"
    & skf18("7","7","6","7","6","4","1") = "6"
    & skf18("7","7","6","7","6","5","1") = "6"
    & skf18("7","7","6","7","6","6","1") = "6"
    & skf18("7","7","6","7","6","7","1") = "6"
    & skf18("7","7","6","7","6","8","1") = "7"
    & skf18("7","7","6","7","6","9","1") = "8"
    & skf18("7","7","6","7","6","10","1") = "9"
    & skf18("7","7","6","7","7","1","1") = "6"
    & skf18("7","7","6","7","7","2","1") = "6"
    & skf18("7","7","6","7","7","3","1") = "6"
    & skf18("7","7","6","7","7","4","1") = "6"
    & skf18("7","7","6","7","7","5","1") = "6"
    & skf18("7","7","6","7","7","6","1") = "6"
    & skf18("7","7","6","7","7","7","1") = "6"
    & skf18("7","7","6","7","7","8","1") = "7"
    & skf18("7","7","6","7","7","9","1") = "8"
    & skf18("7","7","6","7","7","10","1") = "9"
    & skf18("7","7","6","7","8","1","1") = "7"
    & skf18("7","7","6","7","8","2","1") = "7"
    & skf18("7","7","6","7","8","3","1") = "7"
    & skf18("7","7","6","7","8","4","1") = "7"
    & skf18("7","7","6","7","8","5","1") = "7"
    & skf18("7","7","6","7","8","6","1") = "7"
    & skf18("7","7","6","7","8","7","1") = "7"
    & skf18("7","7","6","7","8","8","1") = "7"
    & skf18("7","7","6","7","8","9","1") = "8"
    & skf18("7","7","6","7","8","10","1") = "9"
    & skf18("7","7","6","7","9","1","1") = "8"
    & skf18("7","7","6","7","9","2","1") = "8"
    & skf18("7","7","6","7","9","3","1") = "8"
    & skf18("7","7","6","7","9","4","1") = "8"
    & skf18("7","7","6","7","9","5","1") = "8"
    & skf18("7","7","6","7","9","6","1") = "8"
    & skf18("7","7","6","7","9","7","1") = "8"
    & skf18("7","7","6","7","9","8","1") = "8"
    & skf18("7","7","6","7","9","9","1") = "8"
    & skf18("7","7","6","7","9","10","1") = "9"
    & skf18("7","7","6","7","10","1","1") = "9"
    & skf18("7","7","6","7","10","2","1") = "9"
    & skf18("7","7","6","7","10","3","1") = "9"
    & skf18("7","7","6","7","10","4","1") = "9"
    & skf18("7","7","6","7","10","5","1") = "9"
    & skf18("7","7","6","7","10","6","1") = "9"
    & skf18("7","7","6","7","10","7","1") = "9"
    & skf18("7","7","6","7","10","8","1") = "9"
    & skf18("7","7","6","7","10","9","1") = "9"
    & skf18("7","7","6","7","10","10","1") = "9"
    & skf18("7","7","6","8","1","1","1") = "7"
    & skf18("7","7","6","8","1","2","1") = "7"
    & skf18("7","7","6","8","1","3","1") = "7"
    & skf18("7","7","6","8","1","4","1") = "7"
    & skf18("7","7","6","8","1","5","1") = "7"
    & skf18("7","7","6","8","1","6","1") = "7"
    & skf18("7","7","6","8","1","7","1") = "7"
    & skf18("7","7","6","8","1","8","1") = "7"
    & skf18("7","7","6","8","1","9","1") = "8"
    & skf18("7","7","6","8","1","10","1") = "9"
    & skf18("7","7","6","8","2","1","1") = "7"
    & skf18("7","7","6","8","2","2","1") = "7"
    & skf18("7","7","6","8","2","3","1") = "7"
    & skf18("7","7","6","8","2","4","1") = "7"
    & skf18("7","7","6","8","2","5","1") = "7"
    & skf18("7","7","6","8","2","6","1") = "7"
    & skf18("7","7","6","8","2","7","1") = "7"
    & skf18("7","7","6","8","2","8","1") = "7"
    & skf18("7","7","6","8","2","9","1") = "8"
    & skf18("7","7","6","8","2","10","1") = "9"
    & skf18("7","7","6","8","3","1","1") = "7"
    & skf18("7","7","6","8","3","2","1") = "7"
    & skf18("7","7","6","8","3","3","1") = "7"
    & skf18("7","7","6","8","3","4","1") = "7"
    & skf18("7","7","6","8","3","5","1") = "7"
    & skf18("7","7","6","8","3","6","1") = "7"
    & skf18("7","7","6","8","3","7","1") = "7"
    & skf18("7","7","6","8","3","8","1") = "7"
    & skf18("7","7","6","8","3","9","1") = "8"
    & skf18("7","7","6","8","3","10","1") = "9"
    & skf18("7","7","6","8","4","1","1") = "7"
    & skf18("7","7","6","8","4","2","1") = "7"
    & skf18("7","7","6","8","4","3","1") = "7"
    & skf18("7","7","6","8","4","4","1") = "7"
    & skf18("7","7","6","8","4","5","1") = "7"
    & skf18("7","7","6","8","4","6","1") = "7"
    & skf18("7","7","6","8","4","7","1") = "7"
    & skf18("7","7","6","8","4","8","1") = "7"
    & skf18("7","7","6","8","4","9","1") = "8"
    & skf18("7","7","6","8","4","10","1") = "9"
    & skf18("7","7","6","8","5","1","1") = "7"
    & skf18("7","7","6","8","5","2","1") = "7"
    & skf18("7","7","6","8","5","3","1") = "7"
    & skf18("7","7","6","8","5","4","1") = "7"
    & skf18("7","7","6","8","5","5","1") = "7"
    & skf18("7","7","6","8","5","6","1") = "7"
    & skf18("7","7","6","8","5","7","1") = "7"
    & skf18("7","7","6","8","5","8","1") = "7"
    & skf18("7","7","6","8","5","9","1") = "8"
    & skf18("7","7","6","8","5","10","1") = "9"
    & skf18("7","7","6","8","6","1","1") = "7"
    & skf18("7","7","6","8","6","2","1") = "7"
    & skf18("7","7","6","8","6","3","1") = "7"
    & skf18("7","7","6","8","6","4","1") = "7"
    & skf18("7","7","6","8","6","5","1") = "7"
    & skf18("7","7","6","8","6","6","1") = "7"
    & skf18("7","7","6","8","6","7","1") = "7"
    & skf18("7","7","6","8","6","8","1") = "7"
    & skf18("7","7","6","8","6","9","1") = "8"
    & skf18("7","7","6","8","6","10","1") = "9"
    & skf18("7","7","6","8","7","1","1") = "7"
    & skf18("7","7","6","8","7","2","1") = "7"
    & skf18("7","7","6","8","7","3","1") = "7"
    & skf18("7","7","6","8","7","4","1") = "7"
    & skf18("7","7","6","8","7","5","1") = "7"
    & skf18("7","7","6","8","7","6","1") = "7"
    & skf18("7","7","6","8","7","7","1") = "7"
    & skf18("7","7","6","8","7","8","1") = "7"
    & skf18("7","7","6","8","7","9","1") = "8"
    & skf18("7","7","6","8","7","10","1") = "9"
    & skf18("7","7","6","8","8","1","1") = "7"
    & skf18("7","7","6","8","8","2","1") = "7"
    & skf18("7","7","6","8","8","3","1") = "7"
    & skf18("7","7","6","8","8","4","1") = "7"
    & skf18("7","7","6","8","8","5","1") = "7"
    & skf18("7","7","6","8","8","6","1") = "7"
    & skf18("7","7","6","8","8","7","1") = "7"
    & skf18("7","7","6","8","8","8","1") = "7"
    & skf18("7","7","6","8","8","9","1") = "8"
    & skf18("7","7","6","8","8","10","1") = "9"
    & skf18("7","7","6","8","9","1","1") = "8"
    & skf18("7","7","6","8","9","2","1") = "8"
    & skf18("7","7","6","8","9","3","1") = "8"
    & skf18("7","7","6","8","9","4","1") = "8"
    & skf18("7","7","6","8","9","5","1") = "8"
    & skf18("7","7","6","8","9","6","1") = "8"
    & skf18("7","7","6","8","9","7","1") = "8"
    & skf18("7","7","6","8","9","8","1") = "8"
    & skf18("7","7","6","8","9","9","1") = "8"
    & skf18("7","7","6","8","9","10","1") = "9"
    & skf18("7","7","6","8","10","1","1") = "9"
    & skf18("7","7","6","8","10","2","1") = "9"
    & skf18("7","7","6","8","10","3","1") = "9"
    & skf18("7","7","6","8","10","4","1") = "9"
    & skf18("7","7","6","8","10","5","1") = "9"
    & skf18("7","7","6","8","10","6","1") = "9"
    & skf18("7","7","6","8","10","7","1") = "9"
    & skf18("7","7","6","8","10","8","1") = "9"
    & skf18("7","7","6","8","10","9","1") = "9"
    & skf18("7","7","6","8","10","10","1") = "9"
    & skf18("7","7","6","9","1","1","1") = "8"
    & skf18("7","7","6","9","1","2","1") = "8"
    & skf18("7","7","6","9","1","3","1") = "8"
    & skf18("7","7","6","9","1","4","1") = "8"
    & skf18("7","7","6","9","1","5","1") = "8"
    & skf18("7","7","6","9","1","6","1") = "8"
    & skf18("7","7","6","9","1","7","1") = "8"
    & skf18("7","7","6","9","1","8","1") = "8"
    & skf18("7","7","6","9","1","9","1") = "8"
    & skf18("7","7","6","9","1","10","1") = "9"
    & skf18("7","7","6","9","2","1","1") = "8"
    & skf18("7","7","6","9","2","2","1") = "8"
    & skf18("7","7","6","9","2","3","1") = "8"
    & skf18("7","7","6","9","2","4","1") = "8"
    & skf18("7","7","6","9","2","5","1") = "8"
    & skf18("7","7","6","9","2","6","1") = "8"
    & skf18("7","7","6","9","2","7","1") = "8"
    & skf18("7","7","6","9","2","8","1") = "8"
    & skf18("7","7","6","9","2","9","1") = "8"
    & skf18("7","7","6","9","2","10","1") = "9"
    & skf18("7","7","6","9","3","1","1") = "8"
    & skf18("7","7","6","9","3","2","1") = "8"
    & skf18("7","7","6","9","3","3","1") = "8"
    & skf18("7","7","6","9","3","4","1") = "8"
    & skf18("7","7","6","9","3","5","1") = "8"
    & skf18("7","7","6","9","3","6","1") = "8"
    & skf18("7","7","6","9","3","7","1") = "8"
    & skf18("7","7","6","9","3","8","1") = "8"
    & skf18("7","7","6","9","3","9","1") = "8"
    & skf18("7","7","6","9","3","10","1") = "9"
    & skf18("7","7","6","9","4","1","1") = "8"
    & skf18("7","7","6","9","4","2","1") = "8"
    & skf18("7","7","6","9","4","3","1") = "8"
    & skf18("7","7","6","9","4","4","1") = "8"
    & skf18("7","7","6","9","4","5","1") = "8"
    & skf18("7","7","6","9","4","6","1") = "8"
    & skf18("7","7","6","9","4","7","1") = "8"
    & skf18("7","7","6","9","4","8","1") = "8"
    & skf18("7","7","6","9","4","9","1") = "8"
    & skf18("7","7","6","9","4","10","1") = "9"
    & skf18("7","7","6","9","5","1","1") = "8"
    & skf18("7","7","6","9","5","2","1") = "8"
    & skf18("7","7","6","9","5","3","1") = "8"
    & skf18("7","7","6","9","5","4","1") = "8"
    & skf18("7","7","6","9","5","5","1") = "8"
    & skf18("7","7","6","9","5","6","1") = "8"
    & skf18("7","7","6","9","5","7","1") = "8"
    & skf18("7","7","6","9","5","8","1") = "8"
    & skf18("7","7","6","9","5","9","1") = "8"
    & skf18("7","7","6","9","5","10","1") = "9"
    & skf18("7","7","6","9","6","1","1") = "8"
    & skf18("7","7","6","9","6","2","1") = "8"
    & skf18("7","7","6","9","6","3","1") = "8"
    & skf18("7","7","6","9","6","4","1") = "8"
    & skf18("7","7","6","9","6","5","1") = "8"
    & skf18("7","7","6","9","6","6","1") = "8"
    & skf18("7","7","6","9","6","7","1") = "8"
    & skf18("7","7","6","9","6","8","1") = "8"
    & skf18("7","7","6","9","6","9","1") = "8"
    & skf18("7","7","6","9","6","10","1") = "9"
    & skf18("7","7","6","9","7","1","1") = "8"
    & skf18("7","7","6","9","7","2","1") = "8"
    & skf18("7","7","6","9","7","3","1") = "8"
    & skf18("7","7","6","9","7","4","1") = "8"
    & skf18("7","7","6","9","7","5","1") = "8"
    & skf18("7","7","6","9","7","6","1") = "8"
    & skf18("7","7","6","9","7","7","1") = "8"
    & skf18("7","7","6","9","7","8","1") = "8"
    & skf18("7","7","6","9","7","9","1") = "8"
    & skf18("7","7","6","9","7","10","1") = "9"
    & skf18("7","7","6","9","8","1","1") = "8"
    & skf18("7","7","6","9","8","2","1") = "8"
    & skf18("7","7","6","9","8","3","1") = "8"
    & skf18("7","7","6","9","8","4","1") = "8"
    & skf18("7","7","6","9","8","5","1") = "8"
    & skf18("7","7","6","9","8","6","1") = "8"
    & skf18("7","7","6","9","8","7","1") = "8"
    & skf18("7","7","6","9","8","8","1") = "8"
    & skf18("7","7","6","9","8","9","1") = "8"
    & skf18("7","7","6","9","8","10","1") = "9"
    & skf18("7","7","6","9","9","1","1") = "8"
    & skf18("7","7","6","9","9","2","1") = "8"
    & skf18("7","7","6","9","9","3","1") = "8"
    & skf18("7","7","6","9","9","4","1") = "8"
    & skf18("7","7","6","9","9","5","1") = "8"
    & skf18("7","7","6","9","9","6","1") = "8"
    & skf18("7","7","6","9","9","7","1") = "8"
    & skf18("7","7","6","9","9","8","1") = "8"
    & skf18("7","7","6","9","9","9","1") = "8"
    & skf18("7","7","6","9","9","10","1") = "9"
    & skf18("7","7","6","9","10","1","1") = "9"
    & skf18("7","7","6","9","10","2","1") = "9"
    & skf18("7","7","6","9","10","3","1") = "9"
    & skf18("7","7","6","9","10","4","1") = "9"
    & skf18("7","7","6","9","10","5","1") = "9"
    & skf18("7","7","6","9","10","6","1") = "9"
    & skf18("7","7","6","9","10","7","1") = "9"
    & skf18("7","7","6","9","10","8","1") = "9"
    & skf18("7","7","6","9","10","9","1") = "9"
    & skf18("7","7","6","9","10","10","1") = "9"
    & skf18("7","7","6","10","1","1","1") = "9"
    & skf18("7","7","6","10","1","2","1") = "9"
    & skf18("7","7","6","10","1","3","1") = "9"
    & skf18("7","7","6","10","1","4","1") = "9"
    & skf18("7","7","6","10","1","5","1") = "9"
    & skf18("7","7","6","10","1","6","1") = "9"
    & skf18("7","7","6","10","1","7","1") = "9"
    & skf18("7","7","6","10","1","8","1") = "9"
    & skf18("7","7","6","10","1","9","1") = "9"
    & skf18("7","7","6","10","1","10","1") = "9"
    & skf18("7","7","6","10","2","1","1") = "9"
    & skf18("7","7","6","10","2","2","1") = "9"
    & skf18("7","7","6","10","2","3","1") = "9"
    & skf18("7","7","6","10","2","4","1") = "9"
    & skf18("7","7","6","10","2","5","1") = "9"
    & skf18("7","7","6","10","2","6","1") = "9"
    & skf18("7","7","6","10","2","7","1") = "9"
    & skf18("7","7","6","10","2","8","1") = "9"
    & skf18("7","7","6","10","2","9","1") = "9"
    & skf18("7","7","6","10","2","10","1") = "9"
    & skf18("7","7","6","10","3","1","1") = "9"
    & skf18("7","7","6","10","3","2","1") = "9"
    & skf18("7","7","6","10","3","3","1") = "9"
    & skf18("7","7","6","10","3","4","1") = "9"
    & skf18("7","7","6","10","3","5","1") = "9"
    & skf18("7","7","6","10","3","6","1") = "9"
    & skf18("7","7","6","10","3","7","1") = "9"
    & skf18("7","7","6","10","3","8","1") = "9"
    & skf18("7","7","6","10","3","9","1") = "9"
    & skf18("7","7","6","10","3","10","1") = "9"
    & skf18("7","7","6","10","4","1","1") = "9"
    & skf18("7","7","6","10","4","2","1") = "9"
    & skf18("7","7","6","10","4","3","1") = "9"
    & skf18("7","7","6","10","4","4","1") = "9"
    & skf18("7","7","6","10","4","5","1") = "9"
    & skf18("7","7","6","10","4","6","1") = "9"
    & skf18("7","7","6","10","4","7","1") = "9"
    & skf18("7","7","6","10","4","8","1") = "9"
    & skf18("7","7","6","10","4","9","1") = "9"
    & skf18("7","7","6","10","4","10","1") = "9"
    & skf18("7","7","6","10","5","1","1") = "9"
    & skf18("7","7","6","10","5","2","1") = "9"
    & skf18("7","7","6","10","5","3","1") = "9"
    & skf18("7","7","6","10","5","4","1") = "9"
    & skf18("7","7","6","10","5","5","1") = "9"
    & skf18("7","7","6","10","5","6","1") = "9"
    & skf18("7","7","6","10","5","7","1") = "9"
    & skf18("7","7","6","10","5","8","1") = "9"
    & skf18("7","7","6","10","5","9","1") = "9"
    & skf18("7","7","6","10","5","10","1") = "9"
    & skf18("7","7","6","10","6","1","1") = "9"
    & skf18("7","7","6","10","6","2","1") = "9"
    & skf18("7","7","6","10","6","3","1") = "9"
    & skf18("7","7","6","10","6","4","1") = "9"
    & skf18("7","7","6","10","6","5","1") = "9"
    & skf18("7","7","6","10","6","6","1") = "9"
    & skf18("7","7","6","10","6","7","1") = "9"
    & skf18("7","7","6","10","6","8","1") = "9"
    & skf18("7","7","6","10","6","9","1") = "9"
    & skf18("7","7","6","10","6","10","1") = "9"
    & skf18("7","7","6","10","7","1","1") = "9"
    & skf18("7","7","6","10","7","2","1") = "9"
    & skf18("7","7","6","10","7","3","1") = "9"
    & skf18("7","7","6","10","7","4","1") = "9"
    & skf18("7","7","6","10","7","5","1") = "9"
    & skf18("7","7","6","10","7","6","1") = "9"
    & skf18("7","7","6","10","7","7","1") = "9"
    & skf18("7","7","6","10","7","8","1") = "9"
    & skf18("7","7","6","10","7","9","1") = "9"
    & skf18("7","7","6","10","7","10","1") = "9"
    & skf18("7","7","6","10","8","1","1") = "9"
    & skf18("7","7","6","10","8","2","1") = "9"
    & skf18("7","7","6","10","8","3","1") = "9"
    & skf18("7","7","6","10","8","4","1") = "9"
    & skf18("7","7","6","10","8","5","1") = "9"
    & skf18("7","7","6","10","8","6","1") = "9"
    & skf18("7","7","6","10","8","7","1") = "9"
    & skf18("7","7","6","10","8","8","1") = "9"
    & skf18("7","7","6","10","8","9","1") = "9"
    & skf18("7","7","6","10","8","10","1") = "9"
    & skf18("7","7","6","10","9","1","1") = "9"
    & skf18("7","7","6","10","9","2","1") = "9"
    & skf18("7","7","6","10","9","3","1") = "9"
    & skf18("7","7","6","10","9","4","1") = "9"
    & skf18("7","7","6","10","9","5","1") = "9"
    & skf18("7","7","6","10","9","6","1") = "9"
    & skf18("7","7","6","10","9","7","1") = "9"
    & skf18("7","7","6","10","9","8","1") = "9"
    & skf18("7","7","6","10","9","9","1") = "9"
    & skf18("7","7","6","10","9","10","1") = "9"
    & skf18("7","7","6","10","10","1","1") = "9"
    & skf18("7","7","6","10","10","2","1") = "9"
    & skf18("7","7","6","10","10","3","1") = "9"
    & skf18("7","7","6","10","10","4","1") = "9"
    & skf18("7","7","6","10","10","5","1") = "9"
    & skf18("7","7","6","10","10","6","1") = "9"
    & skf18("7","7","6","10","10","7","1") = "9"
    & skf18("7","7","6","10","10","8","1") = "9"
    & skf18("7","7","6","10","10","9","1") = "9"
    & skf18("7","7","6","10","10","10","1") = "9"
    & skf18("7","7","7","1","1","1","1") = "6"
    & skf18("7","7","7","1","1","2","1") = "6"
    & skf18("7","7","7","1","1","3","1") = "6"
    & skf18("7","7","7","1","1","4","1") = "6"
    & skf18("7","7","7","1","1","5","1") = "6"
    & skf18("7","7","7","1","1","6","1") = "6"
    & skf18("7","7","7","1","1","7","1") = "6"
    & skf18("7","7","7","1","1","8","1") = "7"
    & skf18("7","7","7","1","1","9","1") = "8"
    & skf18("7","7","7","1","1","10","1") = "9"
    & skf18("7","7","7","1","2","1","1") = "6"
    & skf18("7","7","7","1","2","2","1") = "6"
    & skf18("7","7","7","1","2","3","1") = "6"
    & skf18("7","7","7","1","2","4","1") = "6"
    & skf18("7","7","7","1","2","5","1") = "6"
    & skf18("7","7","7","1","2","6","1") = "6"
    & skf18("7","7","7","1","2","7","1") = "6"
    & skf18("7","7","7","1","2","8","1") = "7"
    & skf18("7","7","7","1","2","9","1") = "8"
    & skf18("7","7","7","1","2","10","1") = "9"
    & skf18("7","7","7","1","3","1","1") = "6"
    & skf18("7","7","7","1","3","2","1") = "6"
    & skf18("7","7","7","1","3","3","1") = "6"
    & skf18("7","7","7","1","3","4","1") = "6"
    & skf18("7","7","7","1","3","5","1") = "6"
    & skf18("7","7","7","1","3","6","1") = "6"
    & skf18("7","7","7","1","3","7","1") = "6"
    & skf18("7","7","7","1","3","8","1") = "7"
    & skf18("7","7","7","1","3","9","1") = "8"
    & skf18("7","7","7","1","3","10","1") = "9"
    & skf18("7","7","7","1","4","1","1") = "6"
    & skf18("7","7","7","1","4","2","1") = "6"
    & skf18("7","7","7","1","4","3","1") = "6"
    & skf18("7","7","7","1","4","4","1") = "6"
    & skf18("7","7","7","1","4","5","1") = "6"
    & skf18("7","7","7","1","4","6","1") = "6"
    & skf18("7","7","7","1","4","7","1") = "6"
    & skf18("7","7","7","1","4","8","1") = "7"
    & skf18("7","7","7","1","4","9","1") = "8"
    & skf18("7","7","7","1","4","10","1") = "9"
    & skf18("7","7","7","1","5","1","1") = "6"
    & skf18("7","7","7","1","5","2","1") = "6"
    & skf18("7","7","7","1","5","3","1") = "6"
    & skf18("7","7","7","1","5","4","1") = "6"
    & skf18("7","7","7","1","5","5","1") = "6"
    & skf18("7","7","7","1","5","6","1") = "6"
    & skf18("7","7","7","1","5","7","1") = "6"
    & skf18("7","7","7","1","5","8","1") = "7"
    & skf18("7","7","7","1","5","9","1") = "8"
    & skf18("7","7","7","1","5","10","1") = "9"
    & skf18("7","7","7","1","6","1","1") = "6"
    & skf18("7","7","7","1","6","2","1") = "6"
    & skf18("7","7","7","1","6","3","1") = "6"
    & skf18("7","7","7","1","6","4","1") = "6"
    & skf18("7","7","7","1","6","5","1") = "6"
    & skf18("7","7","7","1","6","6","1") = "6"
    & skf18("7","7","7","1","6","7","1") = "6"
    & skf18("7","7","7","1","6","8","1") = "7"
    & skf18("7","7","7","1","6","9","1") = "8"
    & skf18("7","7","7","1","6","10","1") = "9"
    & skf18("7","7","7","1","7","1","1") = "6"
    & skf18("7","7","7","1","7","2","1") = "6"
    & skf18("7","7","7","1","7","3","1") = "6"
    & skf18("7","7","7","1","7","4","1") = "6"
    & skf18("7","7","7","1","7","5","1") = "6"
    & skf18("7","7","7","1","7","6","1") = "6"
    & skf18("7","7","7","1","7","7","1") = "6"
    & skf18("7","7","7","1","7","8","1") = "7"
    & skf18("7","7","7","1","7","9","1") = "8"
    & skf18("7","7","7","1","7","10","1") = "9"
    & skf18("7","7","7","1","8","1","1") = "7"
    & skf18("7","7","7","1","8","2","1") = "7"
    & skf18("7","7","7","1","8","3","1") = "7"
    & skf18("7","7","7","1","8","4","1") = "7"
    & skf18("7","7","7","1","8","5","1") = "7"
    & skf18("7","7","7","1","8","6","1") = "7"
    & skf18("7","7","7","1","8","7","1") = "7"
    & skf18("7","7","7","1","8","8","1") = "7"
    & skf18("7","7","7","1","8","9","1") = "8"
    & skf18("7","7","7","1","8","10","1") = "9"
    & skf18("7","7","7","1","9","1","1") = "8"
    & skf18("7","7","7","1","9","2","1") = "8"
    & skf18("7","7","7","1","9","3","1") = "8"
    & skf18("7","7","7","1","9","4","1") = "8"
    & skf18("7","7","7","1","9","5","1") = "8"
    & skf18("7","7","7","1","9","6","1") = "8"
    & skf18("7","7","7","1","9","7","1") = "8"
    & skf18("7","7","7","1","9","8","1") = "8"
    & skf18("7","7","7","1","9","9","1") = "8"
    & skf18("7","7","7","1","9","10","1") = "9"
    & skf18("7","7","7","1","10","1","1") = "9"
    & skf18("7","7","7","1","10","2","1") = "9"
    & skf18("7","7","7","1","10","3","1") = "9"
    & skf18("7","7","7","1","10","4","1") = "9"
    & skf18("7","7","7","1","10","5","1") = "9"
    & skf18("7","7","7","1","10","6","1") = "9"
    & skf18("7","7","7","1","10","7","1") = "9"
    & skf18("7","7","7","1","10","8","1") = "9"
    & skf18("7","7","7","1","10","9","1") = "9"
    & skf18("7","7","7","1","10","10","1") = "9"
    & skf18("7","7","7","2","1","1","1") = "6"
    & skf18("7","7","7","2","1","2","1") = "6"
    & skf18("7","7","7","2","1","3","1") = "6"
    & skf18("7","7","7","2","1","4","1") = "6"
    & skf18("7","7","7","2","1","5","1") = "6"
    & skf18("7","7","7","2","1","6","1") = "6"
    & skf18("7","7","7","2","1","7","1") = "6"
    & skf18("7","7","7","2","1","8","1") = "7"
    & skf18("7","7","7","2","1","9","1") = "8"
    & skf18("7","7","7","2","1","10","1") = "9"
    & skf18("7","7","7","2","2","1","1") = "6"
    & skf18("7","7","7","2","2","2","1") = "6"
    & skf18("7","7","7","2","2","3","1") = "6"
    & skf18("7","7","7","2","2","4","1") = "6"
    & skf18("7","7","7","2","2","5","1") = "6"
    & skf18("7","7","7","2","2","6","1") = "6"
    & skf18("7","7","7","2","2","7","1") = "6"
    & skf18("7","7","7","2","2","8","1") = "7"
    & skf18("7","7","7","2","2","9","1") = "8"
    & skf18("7","7","7","2","2","10","1") = "9"
    & skf18("7","7","7","2","3","1","1") = "6"
    & skf18("7","7","7","2","3","2","1") = "6"
    & skf18("7","7","7","2","3","3","1") = "6"
    & skf18("7","7","7","2","3","4","1") = "6"
    & skf18("7","7","7","2","3","5","1") = "6"
    & skf18("7","7","7","2","3","6","1") = "6"
    & skf18("7","7","7","2","3","7","1") = "6"
    & skf18("7","7","7","2","3","8","1") = "7"
    & skf18("7","7","7","2","3","9","1") = "8"
    & skf18("7","7","7","2","3","10","1") = "9"
    & skf18("7","7","7","2","4","1","1") = "6"
    & skf18("7","7","7","2","4","2","1") = "6"
    & skf18("7","7","7","2","4","3","1") = "6"
    & skf18("7","7","7","2","4","4","1") = "6"
    & skf18("7","7","7","2","4","5","1") = "6"
    & skf18("7","7","7","2","4","6","1") = "6"
    & skf18("7","7","7","2","4","7","1") = "6"
    & skf18("7","7","7","2","4","8","1") = "7"
    & skf18("7","7","7","2","4","9","1") = "8"
    & skf18("7","7","7","2","4","10","1") = "9"
    & skf18("7","7","7","2","5","1","1") = "6"
    & skf18("7","7","7","2","5","2","1") = "6"
    & skf18("7","7","7","2","5","3","1") = "6"
    & skf18("7","7","7","2","5","4","1") = "6"
    & skf18("7","7","7","2","5","5","1") = "6"
    & skf18("7","7","7","2","5","6","1") = "6"
    & skf18("7","7","7","2","5","7","1") = "6"
    & skf18("7","7","7","2","5","8","1") = "7"
    & skf18("7","7","7","2","5","9","1") = "8"
    & skf18("7","7","7","2","5","10","1") = "9"
    & skf18("7","7","7","2","6","1","1") = "6"
    & skf18("7","7","7","2","6","2","1") = "6"
    & skf18("7","7","7","2","6","3","1") = "6"
    & skf18("7","7","7","2","6","4","1") = "6"
    & skf18("7","7","7","2","6","5","1") = "6"
    & skf18("7","7","7","2","6","6","1") = "6"
    & skf18("7","7","7","2","6","7","1") = "6"
    & skf18("7","7","7","2","6","8","1") = "7"
    & skf18("7","7","7","2","6","9","1") = "8"
    & skf18("7","7","7","2","6","10","1") = "9"
    & skf18("7","7","7","2","7","1","1") = "6"
    & skf18("7","7","7","2","7","2","1") = "6"
    & skf18("7","7","7","2","7","3","1") = "6"
    & skf18("7","7","7","2","7","4","1") = "6"
    & skf18("7","7","7","2","7","5","1") = "6"
    & skf18("7","7","7","2","7","6","1") = "6"
    & skf18("7","7","7","2","7","7","1") = "6"
    & skf18("7","7","7","2","7","8","1") = "7"
    & skf18("7","7","7","2","7","9","1") = "8"
    & skf18("7","7","7","2","7","10","1") = "9"
    & skf18("7","7","7","2","8","1","1") = "7"
    & skf18("7","7","7","2","8","2","1") = "7"
    & skf18("7","7","7","2","8","3","1") = "7"
    & skf18("7","7","7","2","8","4","1") = "7"
    & skf18("7","7","7","2","8","5","1") = "7"
    & skf18("7","7","7","2","8","6","1") = "7"
    & skf18("7","7","7","2","8","7","1") = "7"
    & skf18("7","7","7","2","8","8","1") = "7"
    & skf18("7","7","7","2","8","9","1") = "8"
    & skf18("7","7","7","2","8","10","1") = "9"
    & skf18("7","7","7","2","9","1","1") = "8"
    & skf18("7","7","7","2","9","2","1") = "8"
    & skf18("7","7","7","2","9","3","1") = "8"
    & skf18("7","7","7","2","9","4","1") = "8"
    & skf18("7","7","7","2","9","5","1") = "8"
    & skf18("7","7","7","2","9","6","1") = "8"
    & skf18("7","7","7","2","9","7","1") = "8"
    & skf18("7","7","7","2","9","8","1") = "8"
    & skf18("7","7","7","2","9","9","1") = "8"
    & skf18("7","7","7","2","9","10","1") = "9"
    & skf18("7","7","7","2","10","1","1") = "9"
    & skf18("7","7","7","2","10","2","1") = "9"
    & skf18("7","7","7","2","10","3","1") = "9"
    & skf18("7","7","7","2","10","4","1") = "9"
    & skf18("7","7","7","2","10","5","1") = "9"
    & skf18("7","7","7","2","10","6","1") = "9"
    & skf18("7","7","7","2","10","7","1") = "9"
    & skf18("7","7","7","2","10","8","1") = "9"
    & skf18("7","7","7","2","10","9","1") = "9"
    & skf18("7","7","7","2","10","10","1") = "9"
    & skf18("7","7","7","3","1","1","1") = "6"
    & skf18("7","7","7","3","1","2","1") = "6"
    & skf18("7","7","7","3","1","3","1") = "6"
    & skf18("7","7","7","3","1","4","1") = "6"
    & skf18("7","7","7","3","1","5","1") = "6"
    & skf18("7","7","7","3","1","6","1") = "6"
    & skf18("7","7","7","3","1","7","1") = "6"
    & skf18("7","7","7","3","1","8","1") = "7"
    & skf18("7","7","7","3","1","9","1") = "8"
    & skf18("7","7","7","3","1","10","1") = "9"
    & skf18("7","7","7","3","2","1","1") = "6"
    & skf18("7","7","7","3","2","2","1") = "6"
    & skf18("7","7","7","3","2","3","1") = "6"
    & skf18("7","7","7","3","2","4","1") = "6"
    & skf18("7","7","7","3","2","5","1") = "6"
    & skf18("7","7","7","3","2","6","1") = "6"
    & skf18("7","7","7","3","2","7","1") = "6"
    & skf18("7","7","7","3","2","8","1") = "7"
    & skf18("7","7","7","3","2","9","1") = "8"
    & skf18("7","7","7","3","2","10","1") = "9"
    & skf18("7","7","7","3","3","1","1") = "6"
    & skf18("7","7","7","3","3","2","1") = "6"
    & skf18("7","7","7","3","3","3","1") = "6"
    & skf18("7","7","7","3","3","4","1") = "6"
    & skf18("7","7","7","3","3","5","1") = "6"
    & skf18("7","7","7","3","3","6","1") = "6"
    & skf18("7","7","7","3","3","7","1") = "6"
    & skf18("7","7","7","3","3","8","1") = "7"
    & skf18("7","7","7","3","3","9","1") = "8"
    & skf18("7","7","7","3","3","10","1") = "9"
    & skf18("7","7","7","3","4","1","1") = "6"
    & skf18("7","7","7","3","4","2","1") = "6"
    & skf18("7","7","7","3","4","3","1") = "6"
    & skf18("7","7","7","3","4","4","1") = "6"
    & skf18("7","7","7","3","4","5","1") = "6"
    & skf18("7","7","7","3","4","6","1") = "6"
    & skf18("7","7","7","3","4","7","1") = "6"
    & skf18("7","7","7","3","4","8","1") = "7"
    & skf18("7","7","7","3","4","9","1") = "8"
    & skf18("7","7","7","3","4","10","1") = "9"
    & skf18("7","7","7","3","5","1","1") = "6"
    & skf18("7","7","7","3","5","2","1") = "6"
    & skf18("7","7","7","3","5","3","1") = "6"
    & skf18("7","7","7","3","5","4","1") = "6"
    & skf18("7","7","7","3","5","5","1") = "6"
    & skf18("7","7","7","3","5","6","1") = "6"
    & skf18("7","7","7","3","5","7","1") = "6"
    & skf18("7","7","7","3","5","8","1") = "7"
    & skf18("7","7","7","3","5","9","1") = "8"
    & skf18("7","7","7","3","5","10","1") = "9"
    & skf18("7","7","7","3","6","1","1") = "6"
    & skf18("7","7","7","3","6","2","1") = "6"
    & skf18("7","7","7","3","6","3","1") = "6"
    & skf18("7","7","7","3","6","4","1") = "6"
    & skf18("7","7","7","3","6","5","1") = "6"
    & skf18("7","7","7","3","6","6","1") = "6"
    & skf18("7","7","7","3","6","7","1") = "6"
    & skf18("7","7","7","3","6","8","1") = "7"
    & skf18("7","7","7","3","6","9","1") = "8"
    & skf18("7","7","7","3","6","10","1") = "9"
    & skf18("7","7","7","3","7","1","1") = "6"
    & skf18("7","7","7","3","7","2","1") = "6"
    & skf18("7","7","7","3","7","3","1") = "6"
    & skf18("7","7","7","3","7","4","1") = "6"
    & skf18("7","7","7","3","7","5","1") = "6"
    & skf18("7","7","7","3","7","6","1") = "6"
    & skf18("7","7","7","3","7","7","1") = "6"
    & skf18("7","7","7","3","7","8","1") = "7"
    & skf18("7","7","7","3","7","9","1") = "8"
    & skf18("7","7","7","3","7","10","1") = "9"
    & skf18("7","7","7","3","8","1","1") = "7"
    & skf18("7","7","7","3","8","2","1") = "7"
    & skf18("7","7","7","3","8","3","1") = "7"
    & skf18("7","7","7","3","8","4","1") = "7"
    & skf18("7","7","7","3","8","5","1") = "7"
    & skf18("7","7","7","3","8","6","1") = "7"
    & skf18("7","7","7","3","8","7","1") = "7"
    & skf18("7","7","7","3","8","8","1") = "7"
    & skf18("7","7","7","3","8","9","1") = "8"
    & skf18("7","7","7","3","8","10","1") = "9"
    & skf18("7","7","7","3","9","1","1") = "8"
    & skf18("7","7","7","3","9","2","1") = "8"
    & skf18("7","7","7","3","9","3","1") = "8"
    & skf18("7","7","7","3","9","4","1") = "8"
    & skf18("7","7","7","3","9","5","1") = "8"
    & skf18("7","7","7","3","9","6","1") = "8"
    & skf18("7","7","7","3","9","7","1") = "8"
    & skf18("7","7","7","3","9","8","1") = "8"
    & skf18("7","7","7","3","9","9","1") = "8"
    & skf18("7","7","7","3","9","10","1") = "9"
    & skf18("7","7","7","3","10","1","1") = "9"
    & skf18("7","7","7","3","10","2","1") = "9"
    & skf18("7","7","7","3","10","3","1") = "9"
    & skf18("7","7","7","3","10","4","1") = "9"
    & skf18("7","7","7","3","10","5","1") = "9"
    & skf18("7","7","7","3","10","6","1") = "9"
    & skf18("7","7","7","3","10","7","1") = "9"
    & skf18("7","7","7","3","10","8","1") = "9"
    & skf18("7","7","7","3","10","9","1") = "9"
    & skf18("7","7","7","3","10","10","1") = "9"
    & skf18("7","7","7","4","1","1","1") = "6"
    & skf18("7","7","7","4","1","2","1") = "6"
    & skf18("7","7","7","4","1","3","1") = "6"
    & skf18("7","7","7","4","1","4","1") = "6"
    & skf18("7","7","7","4","1","5","1") = "6"
    & skf18("7","7","7","4","1","6","1") = "6"
    & skf18("7","7","7","4","1","7","1") = "6"
    & skf18("7","7","7","4","1","8","1") = "7"
    & skf18("7","7","7","4","1","9","1") = "8"
    & skf18("7","7","7","4","1","10","1") = "9"
    & skf18("7","7","7","4","2","1","1") = "6"
    & skf18("7","7","7","4","2","2","1") = "6"
    & skf18("7","7","7","4","2","3","1") = "6"
    & skf18("7","7","7","4","2","4","1") = "6"
    & skf18("7","7","7","4","2","5","1") = "6"
    & skf18("7","7","7","4","2","6","1") = "6"
    & skf18("7","7","7","4","2","7","1") = "6"
    & skf18("7","7","7","4","2","8","1") = "7"
    & skf18("7","7","7","4","2","9","1") = "8"
    & skf18("7","7","7","4","2","10","1") = "9"
    & skf18("7","7","7","4","3","1","1") = "6"
    & skf18("7","7","7","4","3","2","1") = "6"
    & skf18("7","7","7","4","3","3","1") = "6"
    & skf18("7","7","7","4","3","4","1") = "6"
    & skf18("7","7","7","4","3","5","1") = "6"
    & skf18("7","7","7","4","3","6","1") = "6"
    & skf18("7","7","7","4","3","7","1") = "6"
    & skf18("7","7","7","4","3","8","1") = "7"
    & skf18("7","7","7","4","3","9","1") = "8"
    & skf18("7","7","7","4","3","10","1") = "9"
    & skf18("7","7","7","4","4","1","1") = "6"
    & skf18("7","7","7","4","4","2","1") = "6"
    & skf18("7","7","7","4","4","3","1") = "6"
    & skf18("7","7","7","4","4","4","1") = "6"
    & skf18("7","7","7","4","4","5","1") = "6"
    & skf18("7","7","7","4","4","6","1") = "6"
    & skf18("7","7","7","4","4","7","1") = "6"
    & skf18("7","7","7","4","4","8","1") = "7"
    & skf18("7","7","7","4","4","9","1") = "8"
    & skf18("7","7","7","4","4","10","1") = "9"
    & skf18("7","7","7","4","5","1","1") = "6"
    & skf18("7","7","7","4","5","2","1") = "6"
    & skf18("7","7","7","4","5","3","1") = "6"
    & skf18("7","7","7","4","5","4","1") = "6"
    & skf18("7","7","7","4","5","5","1") = "6"
    & skf18("7","7","7","4","5","6","1") = "6"
    & skf18("7","7","7","4","5","7","1") = "6"
    & skf18("7","7","7","4","5","8","1") = "7"
    & skf18("7","7","7","4","5","9","1") = "8"
    & skf18("7","7","7","4","5","10","1") = "9"
    & skf18("7","7","7","4","6","1","1") = "6"
    & skf18("7","7","7","4","6","2","1") = "6"
    & skf18("7","7","7","4","6","3","1") = "6"
    & skf18("7","7","7","4","6","4","1") = "6"
    & skf18("7","7","7","4","6","5","1") = "6"
    & skf18("7","7","7","4","6","6","1") = "6"
    & skf18("7","7","7","4","6","7","1") = "6"
    & skf18("7","7","7","4","6","8","1") = "7"
    & skf18("7","7","7","4","6","9","1") = "8"
    & skf18("7","7","7","4","6","10","1") = "9"
    & skf18("7","7","7","4","7","1","1") = "6"
    & skf18("7","7","7","4","7","2","1") = "6"
    & skf18("7","7","7","4","7","3","1") = "6"
    & skf18("7","7","7","4","7","4","1") = "6"
    & skf18("7","7","7","4","7","5","1") = "6"
    & skf18("7","7","7","4","7","6","1") = "6"
    & skf18("7","7","7","4","7","7","1") = "6"
    & skf18("7","7","7","4","7","8","1") = "7"
    & skf18("7","7","7","4","7","9","1") = "8"
    & skf18("7","7","7","4","7","10","1") = "9"
    & skf18("7","7","7","4","8","1","1") = "7"
    & skf18("7","7","7","4","8","2","1") = "7"
    & skf18("7","7","7","4","8","3","1") = "7"
    & skf18("7","7","7","4","8","4","1") = "7"
    & skf18("7","7","7","4","8","5","1") = "7"
    & skf18("7","7","7","4","8","6","1") = "7"
    & skf18("7","7","7","4","8","7","1") = "7"
    & skf18("7","7","7","4","8","8","1") = "7"
    & skf18("7","7","7","4","8","9","1") = "8"
    & skf18("7","7","7","4","8","10","1") = "9"
    & skf18("7","7","7","4","9","1","1") = "8"
    & skf18("7","7","7","4","9","2","1") = "8"
    & skf18("7","7","7","4","9","3","1") = "8"
    & skf18("7","7","7","4","9","4","1") = "8"
    & skf18("7","7","7","4","9","5","1") = "8"
    & skf18("7","7","7","4","9","6","1") = "8"
    & skf18("7","7","7","4","9","7","1") = "8"
    & skf18("7","7","7","4","9","8","1") = "8"
    & skf18("7","7","7","4","9","9","1") = "8"
    & skf18("7","7","7","4","9","10","1") = "9"
    & skf18("7","7","7","4","10","1","1") = "9"
    & skf18("7","7","7","4","10","2","1") = "9"
    & skf18("7","7","7","4","10","3","1") = "9"
    & skf18("7","7","7","4","10","4","1") = "9"
    & skf18("7","7","7","4","10","5","1") = "9"
    & skf18("7","7","7","4","10","6","1") = "9"
    & skf18("7","7","7","4","10","7","1") = "9"
    & skf18("7","7","7","4","10","8","1") = "9"
    & skf18("7","7","7","4","10","9","1") = "9"
    & skf18("7","7","7","4","10","10","1") = "9"
    & skf18("7","7","7","5","1","1","1") = "6"
    & skf18("7","7","7","5","1","2","1") = "6"
    & skf18("7","7","7","5","1","3","1") = "6"
    & skf18("7","7","7","5","1","4","1") = "6"
    & skf18("7","7","7","5","1","5","1") = "6"
    & skf18("7","7","7","5","1","6","1") = "6"
    & skf18("7","7","7","5","1","7","1") = "6"
    & skf18("7","7","7","5","1","8","1") = "7"
    & skf18("7","7","7","5","1","9","1") = "8"
    & skf18("7","7","7","5","1","10","1") = "9"
    & skf18("7","7","7","5","2","1","1") = "6"
    & skf18("7","7","7","5","2","2","1") = "6"
    & skf18("7","7","7","5","2","3","1") = "6"
    & skf18("7","7","7","5","2","4","1") = "6"
    & skf18("7","7","7","5","2","5","1") = "6"
    & skf18("7","7","7","5","2","6","1") = "6"
    & skf18("7","7","7","5","2","7","1") = "6"
    & skf18("7","7","7","5","2","8","1") = "7"
    & skf18("7","7","7","5","2","9","1") = "8"
    & skf18("7","7","7","5","2","10","1") = "9"
    & skf18("7","7","7","5","3","1","1") = "6"
    & skf18("7","7","7","5","3","2","1") = "6"
    & skf18("7","7","7","5","3","3","1") = "6"
    & skf18("7","7","7","5","3","4","1") = "6"
    & skf18("7","7","7","5","3","5","1") = "6"
    & skf18("7","7","7","5","3","6","1") = "6"
    & skf18("7","7","7","5","3","7","1") = "6"
    & skf18("7","7","7","5","3","8","1") = "7"
    & skf18("7","7","7","5","3","9","1") = "8"
    & skf18("7","7","7","5","3","10","1") = "9"
    & skf18("7","7","7","5","4","1","1") = "6"
    & skf18("7","7","7","5","4","2","1") = "6"
    & skf18("7","7","7","5","4","3","1") = "6"
    & skf18("7","7","7","5","4","4","1") = "6"
    & skf18("7","7","7","5","4","5","1") = "6"
    & skf18("7","7","7","5","4","6","1") = "6"
    & skf18("7","7","7","5","4","7","1") = "6"
    & skf18("7","7","7","5","4","8","1") = "7"
    & skf18("7","7","7","5","4","9","1") = "8"
    & skf18("7","7","7","5","4","10","1") = "9"
    & skf18("7","7","7","5","5","1","1") = "6"
    & skf18("7","7","7","5","5","2","1") = "6"
    & skf18("7","7","7","5","5","3","1") = "6"
    & skf18("7","7","7","5","5","4","1") = "6"
    & skf18("7","7","7","5","5","5","1") = "6"
    & skf18("7","7","7","5","5","6","1") = "6"
    & skf18("7","7","7","5","5","7","1") = "6"
    & skf18("7","7","7","5","5","8","1") = "7"
    & skf18("7","7","7","5","5","9","1") = "8"
    & skf18("7","7","7","5","5","10","1") = "9"
    & skf18("7","7","7","5","6","1","1") = "6"
    & skf18("7","7","7","5","6","2","1") = "6"
    & skf18("7","7","7","5","6","3","1") = "6"
    & skf18("7","7","7","5","6","4","1") = "6"
    & skf18("7","7","7","5","6","5","1") = "6"
    & skf18("7","7","7","5","6","6","1") = "6"
    & skf18("7","7","7","5","6","7","1") = "6"
    & skf18("7","7","7","5","6","8","1") = "7"
    & skf18("7","7","7","5","6","9","1") = "8"
    & skf18("7","7","7","5","6","10","1") = "9"
    & skf18("7","7","7","5","7","1","1") = "6"
    & skf18("7","7","7","5","7","2","1") = "6"
    & skf18("7","7","7","5","7","3","1") = "6"
    & skf18("7","7","7","5","7","4","1") = "6"
    & skf18("7","7","7","5","7","5","1") = "6"
    & skf18("7","7","7","5","7","6","1") = "6"
    & skf18("7","7","7","5","7","7","1") = "6"
    & skf18("7","7","7","5","7","8","1") = "7"
    & skf18("7","7","7","5","7","9","1") = "8"
    & skf18("7","7","7","5","7","10","1") = "9"
    & skf18("7","7","7","5","8","1","1") = "7"
    & skf18("7","7","7","5","8","2","1") = "7"
    & skf18("7","7","7","5","8","3","1") = "7"
    & skf18("7","7","7","5","8","4","1") = "7"
    & skf18("7","7","7","5","8","5","1") = "7"
    & skf18("7","7","7","5","8","6","1") = "7"
    & skf18("7","7","7","5","8","7","1") = "7"
    & skf18("7","7","7","5","8","8","1") = "7"
    & skf18("7","7","7","5","8","9","1") = "8"
    & skf18("7","7","7","5","8","10","1") = "9"
    & skf18("7","7","7","5","9","1","1") = "8"
    & skf18("7","7","7","5","9","2","1") = "8"
    & skf18("7","7","7","5","9","3","1") = "8"
    & skf18("7","7","7","5","9","4","1") = "8"
    & skf18("7","7","7","5","9","5","1") = "8"
    & skf18("7","7","7","5","9","6","1") = "8"
    & skf18("7","7","7","5","9","7","1") = "8"
    & skf18("7","7","7","5","9","8","1") = "8"
    & skf18("7","7","7","5","9","9","1") = "8"
    & skf18("7","7","7","5","9","10","1") = "9"
    & skf18("7","7","7","5","10","1","1") = "9"
    & skf18("7","7","7","5","10","2","1") = "9"
    & skf18("7","7","7","5","10","3","1") = "9"
    & skf18("7","7","7","5","10","4","1") = "9"
    & skf18("7","7","7","5","10","5","1") = "9"
    & skf18("7","7","7","5","10","6","1") = "9"
    & skf18("7","7","7","5","10","7","1") = "9"
    & skf18("7","7","7","5","10","8","1") = "9"
    & skf18("7","7","7","5","10","9","1") = "9"
    & skf18("7","7","7","5","10","10","1") = "9"
    & skf18("7","7","7","6","1","1","1") = "6"
    & skf18("7","7","7","6","1","2","1") = "6"
    & skf18("7","7","7","6","1","3","1") = "6"
    & skf18("7","7","7","6","1","4","1") = "6"
    & skf18("7","7","7","6","1","5","1") = "6"
    & skf18("7","7","7","6","1","6","1") = "6"
    & skf18("7","7","7","6","1","7","1") = "6"
    & skf18("7","7","7","6","1","8","1") = "7"
    & skf18("7","7","7","6","1","9","1") = "8"
    & skf18("7","7","7","6","1","10","1") = "9"
    & skf18("7","7","7","6","2","1","1") = "6"
    & skf18("7","7","7","6","2","2","1") = "6"
    & skf18("7","7","7","6","2","3","1") = "6"
    & skf18("7","7","7","6","2","4","1") = "6"
    & skf18("7","7","7","6","2","5","1") = "6"
    & skf18("7","7","7","6","2","6","1") = "6"
    & skf18("7","7","7","6","2","7","1") = "6"
    & skf18("7","7","7","6","2","8","1") = "7"
    & skf18("7","7","7","6","2","9","1") = "8"
    & skf18("7","7","7","6","2","10","1") = "9"
    & skf18("7","7","7","6","3","1","1") = "6"
    & skf18("7","7","7","6","3","2","1") = "6"
    & skf18("7","7","7","6","3","3","1") = "6"
    & skf18("7","7","7","6","3","4","1") = "6"
    & skf18("7","7","7","6","3","5","1") = "6"
    & skf18("7","7","7","6","3","6","1") = "6"
    & skf18("7","7","7","6","3","7","1") = "6"
    & skf18("7","7","7","6","3","8","1") = "7"
    & skf18("7","7","7","6","3","9","1") = "8"
    & skf18("7","7","7","6","3","10","1") = "9"
    & skf18("7","7","7","6","4","1","1") = "6"
    & skf18("7","7","7","6","4","2","1") = "6"
    & skf18("7","7","7","6","4","3","1") = "6"
    & skf18("7","7","7","6","4","4","1") = "6"
    & skf18("7","7","7","6","4","5","1") = "6"
    & skf18("7","7","7","6","4","6","1") = "6"
    & skf18("7","7","7","6","4","7","1") = "6"
    & skf18("7","7","7","6","4","8","1") = "7"
    & skf18("7","7","7","6","4","9","1") = "8"
    & skf18("7","7","7","6","4","10","1") = "9"
    & skf18("7","7","7","6","5","1","1") = "6"
    & skf18("7","7","7","6","5","2","1") = "6"
    & skf18("7","7","7","6","5","3","1") = "6"
    & skf18("7","7","7","6","5","4","1") = "6"
    & skf18("7","7","7","6","5","5","1") = "6"
    & skf18("7","7","7","6","5","6","1") = "6"
    & skf18("7","7","7","6","5","7","1") = "6"
    & skf18("7","7","7","6","5","8","1") = "7"
    & skf18("7","7","7","6","5","9","1") = "8"
    & skf18("7","7","7","6","5","10","1") = "9"
    & skf18("7","7","7","6","6","1","1") = "6"
    & skf18("7","7","7","6","6","2","1") = "6"
    & skf18("7","7","7","6","6","3","1") = "6"
    & skf18("7","7","7","6","6","4","1") = "6"
    & skf18("7","7","7","6","6","5","1") = "6"
    & skf18("7","7","7","6","6","6","1") = "6"
    & skf18("7","7","7","6","6","7","1") = "6"
    & skf18("7","7","7","6","6","8","1") = "7"
    & skf18("7","7","7","6","6","9","1") = "8"
    & skf18("7","7","7","6","6","10","1") = "9"
    & skf18("7","7","7","6","7","1","1") = "6"
    & skf18("7","7","7","6","7","2","1") = "6"
    & skf18("7","7","7","6","7","3","1") = "6"
    & skf18("7","7","7","6","7","4","1") = "6"
    & skf18("7","7","7","6","7","5","1") = "6"
    & skf18("7","7","7","6","7","6","1") = "6"
    & skf18("7","7","7","6","7","7","1") = "6"
    & skf18("7","7","7","6","7","8","1") = "7"
    & skf18("7","7","7","6","7","9","1") = "8"
    & skf18("7","7","7","6","7","10","1") = "9"
    & skf18("7","7","7","6","8","1","1") = "7"
    & skf18("7","7","7","6","8","2","1") = "7"
    & skf18("7","7","7","6","8","3","1") = "7"
    & skf18("7","7","7","6","8","4","1") = "7"
    & skf18("7","7","7","6","8","5","1") = "7"
    & skf18("7","7","7","6","8","6","1") = "7"
    & skf18("7","7","7","6","8","7","1") = "7"
    & skf18("7","7","7","6","8","8","1") = "7"
    & skf18("7","7","7","6","8","9","1") = "8"
    & skf18("7","7","7","6","8","10","1") = "9"
    & skf18("7","7","7","6","9","1","1") = "8"
    & skf18("7","7","7","6","9","2","1") = "8"
    & skf18("7","7","7","6","9","3","1") = "8"
    & skf18("7","7","7","6","9","4","1") = "8"
    & skf18("7","7","7","6","9","5","1") = "8"
    & skf18("7","7","7","6","9","6","1") = "8"
    & skf18("7","7","7","6","9","7","1") = "8"
    & skf18("7","7","7","6","9","8","1") = "8"
    & skf18("7","7","7","6","9","9","1") = "8"
    & skf18("7","7","7","6","9","10","1") = "9"
    & skf18("7","7","7","6","10","1","1") = "9"
    & skf18("7","7","7","6","10","2","1") = "9"
    & skf18("7","7","7","6","10","3","1") = "9"
    & skf18("7","7","7","6","10","4","1") = "9"
    & skf18("7","7","7","6","10","5","1") = "9"
    & skf18("7","7","7","6","10","6","1") = "9"
    & skf18("7","7","7","6","10","7","1") = "9"
    & skf18("7","7","7","6","10","8","1") = "9"
    & skf18("7","7","7","6","10","9","1") = "9"
    & skf18("7","7","7","6","10","10","1") = "9"
    & skf18("7","7","7","7","1","1","1") = "6"
    & skf18("7","7","7","7","1","2","1") = "6"
    & skf18("7","7","7","7","1","3","1") = "6"
    & skf18("7","7","7","7","1","4","1") = "6"
    & skf18("7","7","7","7","1","5","1") = "6"
    & skf18("7","7","7","7","1","6","1") = "6"
    & skf18("7","7","7","7","1","7","1") = "6"
    & skf18("7","7","7","7","1","8","1") = "7"
    & skf18("7","7","7","7","1","9","1") = "8"
    & skf18("7","7","7","7","1","10","1") = "9"
    & skf18("7","7","7","7","2","1","1") = "6"
    & skf18("7","7","7","7","2","2","1") = "6"
    & skf18("7","7","7","7","2","3","1") = "6"
    & skf18("7","7","7","7","2","4","1") = "6"
    & skf18("7","7","7","7","2","5","1") = "6"
    & skf18("7","7","7","7","2","6","1") = "6"
    & skf18("7","7","7","7","2","7","1") = "6"
    & skf18("7","7","7","7","2","8","1") = "7"
    & skf18("7","7","7","7","2","9","1") = "8"
    & skf18("7","7","7","7","2","10","1") = "9"
    & skf18("7","7","7","7","3","1","1") = "6"
    & skf18("7","7","7","7","3","2","1") = "6"
    & skf18("7","7","7","7","3","3","1") = "6"
    & skf18("7","7","7","7","3","4","1") = "6"
    & skf18("7","7","7","7","3","5","1") = "6"
    & skf18("7","7","7","7","3","6","1") = "6"
    & skf18("7","7","7","7","3","7","1") = "6"
    & skf18("7","7","7","7","3","8","1") = "7"
    & skf18("7","7","7","7","3","9","1") = "8"
    & skf18("7","7","7","7","3","10","1") = "9"
    & skf18("7","7","7","7","4","1","1") = "6"
    & skf18("7","7","7","7","4","2","1") = "6"
    & skf18("7","7","7","7","4","3","1") = "6"
    & skf18("7","7","7","7","4","4","1") = "6"
    & skf18("7","7","7","7","4","5","1") = "6"
    & skf18("7","7","7","7","4","6","1") = "6"
    & skf18("7","7","7","7","4","7","1") = "6"
    & skf18("7","7","7","7","4","8","1") = "7"
    & skf18("7","7","7","7","4","9","1") = "8"
    & skf18("7","7","7","7","4","10","1") = "9"
    & skf18("7","7","7","7","5","1","1") = "6"
    & skf18("7","7","7","7","5","2","1") = "6"
    & skf18("7","7","7","7","5","3","1") = "6"
    & skf18("7","7","7","7","5","4","1") = "6"
    & skf18("7","7","7","7","5","5","1") = "6"
    & skf18("7","7","7","7","5","6","1") = "6"
    & skf18("7","7","7","7","5","7","1") = "6"
    & skf18("7","7","7","7","5","8","1") = "7"
    & skf18("7","7","7","7","5","9","1") = "8"
    & skf18("7","7","7","7","5","10","1") = "9"
    & skf18("7","7","7","7","6","1","1") = "6"
    & skf18("7","7","7","7","6","2","1") = "6"
    & skf18("7","7","7","7","6","3","1") = "6"
    & skf18("7","7","7","7","6","4","1") = "6"
    & skf18("7","7","7","7","6","5","1") = "6"
    & skf18("7","7","7","7","6","6","1") = "6"
    & skf18("7","7","7","7","6","7","1") = "6"
    & skf18("7","7","7","7","6","8","1") = "7"
    & skf18("7","7","7","7","6","9","1") = "8"
    & skf18("7","7","7","7","6","10","1") = "9"
    & skf18("7","7","7","7","7","1","1") = "6"
    & skf18("7","7","7","7","7","2","1") = "6"
    & skf18("7","7","7","7","7","3","1") = "6"
    & skf18("7","7","7","7","7","4","1") = "6"
    & skf18("7","7","7","7","7","5","1") = "6"
    & skf18("7","7","7","7","7","6","1") = "6"
    & skf18("7","7","7","7","7","7","1") = "6"
    & skf18("7","7","7","7","7","8","1") = "7"
    & skf18("7","7","7","7","7","9","1") = "8"
    & skf18("7","7","7","7","7","10","1") = "9"
    & skf18("7","7","7","7","8","1","1") = "7"
    & skf18("7","7","7","7","8","2","1") = "7"
    & skf18("7","7","7","7","8","3","1") = "7"
    & skf18("7","7","7","7","8","4","1") = "7"
    & skf18("7","7","7","7","8","5","1") = "7"
    & skf18("7","7","7","7","8","6","1") = "7"
    & skf18("7","7","7","7","8","7","1") = "7"
    & skf18("7","7","7","7","8","8","1") = "7"
    & skf18("7","7","7","7","8","9","1") = "8"
    & skf18("7","7","7","7","8","10","1") = "9"
    & skf18("7","7","7","7","9","1","1") = "8"
    & skf18("7","7","7","7","9","2","1") = "8"
    & skf18("7","7","7","7","9","3","1") = "8"
    & skf18("7","7","7","7","9","4","1") = "8"
    & skf18("7","7","7","7","9","5","1") = "8"
    & skf18("7","7","7","7","9","6","1") = "8"
    & skf18("7","7","7","7","9","7","1") = "8"
    & skf18("7","7","7","7","9","8","1") = "8"
    & skf18("7","7","7","7","9","9","1") = "8"
    & skf18("7","7","7","7","9","10","1") = "9"
    & skf18("7","7","7","7","10","1","1") = "9"
    & skf18("7","7","7","7","10","2","1") = "9"
    & skf18("7","7","7","7","10","3","1") = "9"
    & skf18("7","7","7","7","10","4","1") = "9"
    & skf18("7","7","7","7","10","5","1") = "9"
    & skf18("7","7","7","7","10","6","1") = "9"
    & skf18("7","7","7","7","10","7","1") = "9"
    & skf18("7","7","7","7","10","8","1") = "9"
    & skf18("7","7","7","7","10","9","1") = "9"
    & skf18("7","7","7","7","10","10","1") = "9"
    & skf18("7","7","7","8","1","1","1") = "7"
    & skf18("7","7","7","8","1","2","1") = "7"
    & skf18("7","7","7","8","1","3","1") = "7"
    & skf18("7","7","7","8","1","4","1") = "7"
    & skf18("7","7","7","8","1","5","1") = "7"
    & skf18("7","7","7","8","1","6","1") = "7"
    & skf18("7","7","7","8","1","7","1") = "7"
    & skf18("7","7","7","8","1","8","1") = "7"
    & skf18("7","7","7","8","1","9","1") = "8"
    & skf18("7","7","7","8","1","10","1") = "9"
    & skf18("7","7","7","8","2","1","1") = "7"
    & skf18("7","7","7","8","2","2","1") = "7"
    & skf18("7","7","7","8","2","3","1") = "7"
    & skf18("7","7","7","8","2","4","1") = "7"
    & skf18("7","7","7","8","2","5","1") = "7"
    & skf18("7","7","7","8","2","6","1") = "7"
    & skf18("7","7","7","8","2","7","1") = "7"
    & skf18("7","7","7","8","2","8","1") = "7"
    & skf18("7","7","7","8","2","9","1") = "8"
    & skf18("7","7","7","8","2","10","1") = "9"
    & skf18("7","7","7","8","3","1","1") = "7"
    & skf18("7","7","7","8","3","2","1") = "7"
    & skf18("7","7","7","8","3","3","1") = "7"
    & skf18("7","7","7","8","3","4","1") = "7"
    & skf18("7","7","7","8","3","5","1") = "7"
    & skf18("7","7","7","8","3","6","1") = "7"
    & skf18("7","7","7","8","3","7","1") = "7"
    & skf18("7","7","7","8","3","8","1") = "7"
    & skf18("7","7","7","8","3","9","1") = "8"
    & skf18("7","7","7","8","3","10","1") = "9"
    & skf18("7","7","7","8","4","1","1") = "7"
    & skf18("7","7","7","8","4","2","1") = "7"
    & skf18("7","7","7","8","4","3","1") = "7"
    & skf18("7","7","7","8","4","4","1") = "7"
    & skf18("7","7","7","8","4","5","1") = "7"
    & skf18("7","7","7","8","4","6","1") = "7"
    & skf18("7","7","7","8","4","7","1") = "7"
    & skf18("7","7","7","8","4","8","1") = "7"
    & skf18("7","7","7","8","4","9","1") = "8"
    & skf18("7","7","7","8","4","10","1") = "9"
    & skf18("7","7","7","8","5","1","1") = "7"
    & skf18("7","7","7","8","5","2","1") = "7"
    & skf18("7","7","7","8","5","3","1") = "7"
    & skf18("7","7","7","8","5","4","1") = "7"
    & skf18("7","7","7","8","5","5","1") = "7"
    & skf18("7","7","7","8","5","6","1") = "7"
    & skf18("7","7","7","8","5","7","1") = "7"
    & skf18("7","7","7","8","5","8","1") = "7"
    & skf18("7","7","7","8","5","9","1") = "8"
    & skf18("7","7","7","8","5","10","1") = "9"
    & skf18("7","7","7","8","6","1","1") = "7"
    & skf18("7","7","7","8","6","2","1") = "7"
    & skf18("7","7","7","8","6","3","1") = "7"
    & skf18("7","7","7","8","6","4","1") = "7"
    & skf18("7","7","7","8","6","5","1") = "7"
    & skf18("7","7","7","8","6","6","1") = "7"
    & skf18("7","7","7","8","6","7","1") = "7"
    & skf18("7","7","7","8","6","8","1") = "7"
    & skf18("7","7","7","8","6","9","1") = "8"
    & skf18("7","7","7","8","6","10","1") = "9"
    & skf18("7","7","7","8","7","1","1") = "7"
    & skf18("7","7","7","8","7","2","1") = "7"
    & skf18("7","7","7","8","7","3","1") = "7"
    & skf18("7","7","7","8","7","4","1") = "7"
    & skf18("7","7","7","8","7","5","1") = "7"
    & skf18("7","7","7","8","7","6","1") = "7"
    & skf18("7","7","7","8","7","7","1") = "7"
    & skf18("7","7","7","8","7","8","1") = "7"
    & skf18("7","7","7","8","7","9","1") = "8"
    & skf18("7","7","7","8","7","10","1") = "9"
    & skf18("7","7","7","8","8","1","1") = "7"
    & skf18("7","7","7","8","8","2","1") = "7"
    & skf18("7","7","7","8","8","3","1") = "7"
    & skf18("7","7","7","8","8","4","1") = "7"
    & skf18("7","7","7","8","8","5","1") = "7"
    & skf18("7","7","7","8","8","6","1") = "7"
    & skf18("7","7","7","8","8","7","1") = "7"
    & skf18("7","7","7","8","8","8","1") = "7"
    & skf18("7","7","7","8","8","9","1") = "8"
    & skf18("7","7","7","8","8","10","1") = "9"
    & skf18("7","7","7","8","9","1","1") = "8"
    & skf18("7","7","7","8","9","2","1") = "8"
    & skf18("7","7","7","8","9","3","1") = "8"
    & skf18("7","7","7","8","9","4","1") = "8"
    & skf18("7","7","7","8","9","5","1") = "8"
    & skf18("7","7","7","8","9","6","1") = "8"
    & skf18("7","7","7","8","9","7","1") = "8"
    & skf18("7","7","7","8","9","8","1") = "8"
    & skf18("7","7","7","8","9","9","1") = "8"
    & skf18("7","7","7","8","9","10","1") = "9"
    & skf18("7","7","7","8","10","1","1") = "9"
    & skf18("7","7","7","8","10","2","1") = "9"
    & skf18("7","7","7","8","10","3","1") = "9"
    & skf18("7","7","7","8","10","4","1") = "9"
    & skf18("7","7","7","8","10","5","1") = "9"
    & skf18("7","7","7","8","10","6","1") = "9"
    & skf18("7","7","7","8","10","7","1") = "9"
    & skf18("7","7","7","8","10","8","1") = "9"
    & skf18("7","7","7","8","10","9","1") = "9"
    & skf18("7","7","7","8","10","10","1") = "9"
    & skf18("7","7","7","9","1","1","1") = "8"
    & skf18("7","7","7","9","1","2","1") = "8"
    & skf18("7","7","7","9","1","3","1") = "8"
    & skf18("7","7","7","9","1","4","1") = "8"
    & skf18("7","7","7","9","1","5","1") = "8"
    & skf18("7","7","7","9","1","6","1") = "8"
    & skf18("7","7","7","9","1","7","1") = "8"
    & skf18("7","7","7","9","1","8","1") = "8"
    & skf18("7","7","7","9","1","9","1") = "8"
    & skf18("7","7","7","9","1","10","1") = "9"
    & skf18("7","7","7","9","2","1","1") = "8"
    & skf18("7","7","7","9","2","2","1") = "8"
    & skf18("7","7","7","9","2","3","1") = "8"
    & skf18("7","7","7","9","2","4","1") = "8"
    & skf18("7","7","7","9","2","5","1") = "8"
    & skf18("7","7","7","9","2","6","1") = "8"
    & skf18("7","7","7","9","2","7","1") = "8"
    & skf18("7","7","7","9","2","8","1") = "8"
    & skf18("7","7","7","9","2","9","1") = "8"
    & skf18("7","7","7","9","2","10","1") = "9"
    & skf18("7","7","7","9","3","1","1") = "8"
    & skf18("7","7","7","9","3","2","1") = "8"
    & skf18("7","7","7","9","3","3","1") = "8"
    & skf18("7","7","7","9","3","4","1") = "8"
    & skf18("7","7","7","9","3","5","1") = "8"
    & skf18("7","7","7","9","3","6","1") = "8"
    & skf18("7","7","7","9","3","7","1") = "8"
    & skf18("7","7","7","9","3","8","1") = "8"
    & skf18("7","7","7","9","3","9","1") = "8"
    & skf18("7","7","7","9","3","10","1") = "9"
    & skf18("7","7","7","9","4","1","1") = "8"
    & skf18("7","7","7","9","4","2","1") = "8"
    & skf18("7","7","7","9","4","3","1") = "8"
    & skf18("7","7","7","9","4","4","1") = "8"
    & skf18("7","7","7","9","4","5","1") = "8"
    & skf18("7","7","7","9","4","6","1") = "8"
    & skf18("7","7","7","9","4","7","1") = "8"
    & skf18("7","7","7","9","4","8","1") = "8"
    & skf18("7","7","7","9","4","9","1") = "8"
    & skf18("7","7","7","9","4","10","1") = "9"
    & skf18("7","7","7","9","5","1","1") = "8"
    & skf18("7","7","7","9","5","2","1") = "8"
    & skf18("7","7","7","9","5","3","1") = "8"
    & skf18("7","7","7","9","5","4","1") = "8"
    & skf18("7","7","7","9","5","5","1") = "8"
    & skf18("7","7","7","9","5","6","1") = "8"
    & skf18("7","7","7","9","5","7","1") = "8"
    & skf18("7","7","7","9","5","8","1") = "8"
    & skf18("7","7","7","9","5","9","1") = "8"
    & skf18("7","7","7","9","5","10","1") = "9"
    & skf18("7","7","7","9","6","1","1") = "8"
    & skf18("7","7","7","9","6","2","1") = "8"
    & skf18("7","7","7","9","6","3","1") = "8"
    & skf18("7","7","7","9","6","4","1") = "8"
    & skf18("7","7","7","9","6","5","1") = "8"
    & skf18("7","7","7","9","6","6","1") = "8"
    & skf18("7","7","7","9","6","7","1") = "8"
    & skf18("7","7","7","9","6","8","1") = "8"
    & skf18("7","7","7","9","6","9","1") = "8"
    & skf18("7","7","7","9","6","10","1") = "9"
    & skf18("7","7","7","9","7","1","1") = "8"
    & skf18("7","7","7","9","7","2","1") = "8"
    & skf18("7","7","7","9","7","3","1") = "8"
    & skf18("7","7","7","9","7","4","1") = "8"
    & skf18("7","7","7","9","7","5","1") = "8"
    & skf18("7","7","7","9","7","6","1") = "8"
    & skf18("7","7","7","9","7","7","1") = "8"
    & skf18("7","7","7","9","7","8","1") = "8"
    & skf18("7","7","7","9","7","9","1") = "8"
    & skf18("7","7","7","9","7","10","1") = "9"
    & skf18("7","7","7","9","8","1","1") = "8"
    & skf18("7","7","7","9","8","2","1") = "8"
    & skf18("7","7","7","9","8","3","1") = "8"
    & skf18("7","7","7","9","8","4","1") = "8"
    & skf18("7","7","7","9","8","5","1") = "8"
    & skf18("7","7","7","9","8","6","1") = "8"
    & skf18("7","7","7","9","8","7","1") = "8"
    & skf18("7","7","7","9","8","8","1") = "8"
    & skf18("7","7","7","9","8","9","1") = "8"
    & skf18("7","7","7","9","8","10","1") = "9"
    & skf18("7","7","7","9","9","1","1") = "8"
    & skf18("7","7","7","9","9","2","1") = "8"
    & skf18("7","7","7","9","9","3","1") = "8"
    & skf18("7","7","7","9","9","4","1") = "8"
    & skf18("7","7","7","9","9","5","1") = "8"
    & skf18("7","7","7","9","9","6","1") = "8"
    & skf18("7","7","7","9","9","7","1") = "8"
    & skf18("7","7","7","9","9","8","1") = "8"
    & skf18("7","7","7","9","9","9","1") = "8"
    & skf18("7","7","7","9","9","10","1") = "9"
    & skf18("7","7","7","9","10","1","1") = "9"
    & skf18("7","7","7","9","10","2","1") = "9"
    & skf18("7","7","7","9","10","3","1") = "9"
    & skf18("7","7","7","9","10","4","1") = "9"
    & skf18("7","7","7","9","10","5","1") = "9"
    & skf18("7","7","7","9","10","6","1") = "9"
    & skf18("7","7","7","9","10","7","1") = "9"
    & skf18("7","7","7","9","10","8","1") = "9"
    & skf18("7","7","7","9","10","9","1") = "9"
    & skf18("7","7","7","9","10","10","1") = "9"
    & skf18("7","7","7","10","1","1","1") = "9"
    & skf18("7","7","7","10","1","2","1") = "9"
    & skf18("7","7","7","10","1","3","1") = "9"
    & skf18("7","7","7","10","1","4","1") = "9"
    & skf18("7","7","7","10","1","5","1") = "9"
    & skf18("7","7","7","10","1","6","1") = "9"
    & skf18("7","7","7","10","1","7","1") = "9"
    & skf18("7","7","7","10","1","8","1") = "9"
    & skf18("7","7","7","10","1","9","1") = "9"
    & skf18("7","7","7","10","1","10","1") = "9"
    & skf18("7","7","7","10","2","1","1") = "9"
    & skf18("7","7","7","10","2","2","1") = "9"
    & skf18("7","7","7","10","2","3","1") = "9"
    & skf18("7","7","7","10","2","4","1") = "9"
    & skf18("7","7","7","10","2","5","1") = "9"
    & skf18("7","7","7","10","2","6","1") = "9"
    & skf18("7","7","7","10","2","7","1") = "9"
    & skf18("7","7","7","10","2","8","1") = "9"
    & skf18("7","7","7","10","2","9","1") = "9"
    & skf18("7","7","7","10","2","10","1") = "9"
    & skf18("7","7","7","10","3","1","1") = "9"
    & skf18("7","7","7","10","3","2","1") = "9"
    & skf18("7","7","7","10","3","3","1") = "9"
    & skf18("7","7","7","10","3","4","1") = "9"
    & skf18("7","7","7","10","3","5","1") = "9"
    & skf18("7","7","7","10","3","6","1") = "9"
    & skf18("7","7","7","10","3","7","1") = "9"
    & skf18("7","7","7","10","3","8","1") = "9"
    & skf18("7","7","7","10","3","9","1") = "9"
    & skf18("7","7","7","10","3","10","1") = "9"
    & skf18("7","7","7","10","4","1","1") = "9"
    & skf18("7","7","7","10","4","2","1") = "9"
    & skf18("7","7","7","10","4","3","1") = "9"
    & skf18("7","7","7","10","4","4","1") = "9"
    & skf18("7","7","7","10","4","5","1") = "9"
    & skf18("7","7","7","10","4","6","1") = "9"
    & skf18("7","7","7","10","4","7","1") = "9"
    & skf18("7","7","7","10","4","8","1") = "9"
    & skf18("7","7","7","10","4","9","1") = "9"
    & skf18("7","7","7","10","4","10","1") = "9"
    & skf18("7","7","7","10","5","1","1") = "9"
    & skf18("7","7","7","10","5","2","1") = "9"
    & skf18("7","7","7","10","5","3","1") = "9"
    & skf18("7","7","7","10","5","4","1") = "9"
    & skf18("7","7","7","10","5","5","1") = "9"
    & skf18("7","7","7","10","5","6","1") = "9"
    & skf18("7","7","7","10","5","7","1") = "9"
    & skf18("7","7","7","10","5","8","1") = "9"
    & skf18("7","7","7","10","5","9","1") = "9"
    & skf18("7","7","7","10","5","10","1") = "9"
    & skf18("7","7","7","10","6","1","1") = "9"
    & skf18("7","7","7","10","6","2","1") = "9"
    & skf18("7","7","7","10","6","3","1") = "9"
    & skf18("7","7","7","10","6","4","1") = "9"
    & skf18("7","7","7","10","6","5","1") = "9"
    & skf18("7","7","7","10","6","6","1") = "9"
    & skf18("7","7","7","10","6","7","1") = "9"
    & skf18("7","7","7","10","6","8","1") = "9"
    & skf18("7","7","7","10","6","9","1") = "9"
    & skf18("7","7","7","10","6","10","1") = "9"
    & skf18("7","7","7","10","7","1","1") = "9"
    & skf18("7","7","7","10","7","2","1") = "9"
    & skf18("7","7","7","10","7","3","1") = "9"
    & skf18("7","7","7","10","7","4","1") = "9"
    & skf18("7","7","7","10","7","5","1") = "9"
    & skf18("7","7","7","10","7","6","1") = "9"
    & skf18("7","7","7","10","7","7","1") = "9"
    & skf18("7","7","7","10","7","8","1") = "9"
    & skf18("7","7","7","10","7","9","1") = "9"
    & skf18("7","7","7","10","7","10","1") = "9"
    & skf18("7","7","7","10","8","1","1") = "9"
    & skf18("7","7","7","10","8","2","1") = "9"
    & skf18("7","7","7","10","8","3","1") = "9"
    & skf18("7","7","7","10","8","4","1") = "9"
    & skf18("7","7","7","10","8","5","1") = "9"
    & skf18("7","7","7","10","8","6","1") = "9"
    & skf18("7","7","7","10","8","7","1") = "9"
    & skf18("7","7","7","10","8","8","1") = "9"
    & skf18("7","7","7","10","8","9","1") = "9"
    & skf18("7","7","7","10","8","10","1") = "9"
    & skf18("7","7","7","10","9","1","1") = "9"
    & skf18("7","7","7","10","9","2","1") = "9"
    & skf18("7","7","7","10","9","3","1") = "9"
    & skf18("7","7","7","10","9","4","1") = "9"
    & skf18("7","7","7","10","9","5","1") = "9"
    & skf18("7","7","7","10","9","6","1") = "9"
    & skf18("7","7","7","10","9","7","1") = "9"
    & skf18("7","7","7","10","9","8","1") = "9"
    & skf18("7","7","7","10","9","9","1") = "9"
    & skf18("7","7","7","10","9","10","1") = "9"
    & skf18("7","7","7","10","10","1","1") = "9"
    & skf18("7","7","7","10","10","2","1") = "9"
    & skf18("7","7","7","10","10","3","1") = "9"
    & skf18("7","7","7","10","10","4","1") = "9"
    & skf18("7","7","7","10","10","5","1") = "9"
    & skf18("7","7","7","10","10","6","1") = "9"
    & skf18("7","7","7","10","10","7","1") = "9"
    & skf18("7","7","7","10","10","8","1") = "9"
    & skf18("7","7","7","10","10","9","1") = "9"
    & skf18("7","7","7","10","10","10","1") = "9"
    & skf18("7","7","8","1","1","1","1") = "7"
    & skf18("7","7","8","1","1","2","1") = "7"
    & skf18("7","7","8","1","1","3","1") = "7"
    & skf18("7","7","8","1","1","4","1") = "7"
    & skf18("7","7","8","1","1","5","1") = "7"
    & skf18("7","7","8","1","1","6","1") = "7"
    & skf18("7","7","8","1","1","7","1") = "7"
    & skf18("7","7","8","1","1","8","1") = "7"
    & skf18("7","7","8","1","1","9","1") = "8"
    & skf18("7","7","8","1","1","10","1") = "9"
    & skf18("7","7","8","1","2","1","1") = "7"
    & skf18("7","7","8","1","2","2","1") = "7"
    & skf18("7","7","8","1","2","3","1") = "7"
    & skf18("7","7","8","1","2","4","1") = "7"
    & skf18("7","7","8","1","2","5","1") = "7"
    & skf18("7","7","8","1","2","6","1") = "7"
    & skf18("7","7","8","1","2","7","1") = "7"
    & skf18("7","7","8","1","2","8","1") = "7"
    & skf18("7","7","8","1","2","9","1") = "8"
    & skf18("7","7","8","1","2","10","1") = "9"
    & skf18("7","7","8","1","3","1","1") = "7"
    & skf18("7","7","8","1","3","2","1") = "7"
    & skf18("7","7","8","1","3","3","1") = "7"
    & skf18("7","7","8","1","3","4","1") = "7"
    & skf18("7","7","8","1","3","5","1") = "7"
    & skf18("7","7","8","1","3","6","1") = "7"
    & skf18("7","7","8","1","3","7","1") = "7"
    & skf18("7","7","8","1","3","8","1") = "7"
    & skf18("7","7","8","1","3","9","1") = "8"
    & skf18("7","7","8","1","3","10","1") = "9"
    & skf18("7","7","8","1","4","1","1") = "7"
    & skf18("7","7","8","1","4","2","1") = "7"
    & skf18("7","7","8","1","4","3","1") = "7"
    & skf18("7","7","8","1","4","4","1") = "7"
    & skf18("7","7","8","1","4","5","1") = "7"
    & skf18("7","7","8","1","4","6","1") = "7"
    & skf18("7","7","8","1","4","7","1") = "7"
    & skf18("7","7","8","1","4","8","1") = "7"
    & skf18("7","7","8","1","4","9","1") = "8"
    & skf18("7","7","8","1","4","10","1") = "9"
    & skf18("7","7","8","1","5","1","1") = "7"
    & skf18("7","7","8","1","5","2","1") = "7"
    & skf18("7","7","8","1","5","3","1") = "7"
    & skf18("7","7","8","1","5","4","1") = "7"
    & skf18("7","7","8","1","5","5","1") = "7"
    & skf18("7","7","8","1","5","6","1") = "7"
    & skf18("7","7","8","1","5","7","1") = "7"
    & skf18("7","7","8","1","5","8","1") = "7"
    & skf18("7","7","8","1","5","9","1") = "8"
    & skf18("7","7","8","1","5","10","1") = "9"
    & skf18("7","7","8","1","6","1","1") = "7"
    & skf18("7","7","8","1","6","2","1") = "7"
    & skf18("7","7","8","1","6","3","1") = "7"
    & skf18("7","7","8","1","6","4","1") = "7"
    & skf18("7","7","8","1","6","5","1") = "7"
    & skf18("7","7","8","1","6","6","1") = "7"
    & skf18("7","7","8","1","6","7","1") = "7"
    & skf18("7","7","8","1","6","8","1") = "7"
    & skf18("7","7","8","1","6","9","1") = "8"
    & skf18("7","7","8","1","6","10","1") = "9"
    & skf18("7","7","8","1","7","1","1") = "7"
    & skf18("7","7","8","1","7","2","1") = "7"
    & skf18("7","7","8","1","7","3","1") = "7"
    & skf18("7","7","8","1","7","4","1") = "7"
    & skf18("7","7","8","1","7","5","1") = "7"
    & skf18("7","7","8","1","7","6","1") = "7"
    & skf18("7","7","8","1","7","7","1") = "7"
    & skf18("7","7","8","1","7","8","1") = "7"
    & skf18("7","7","8","1","7","9","1") = "8"
    & skf18("7","7","8","1","7","10","1") = "9"
    & skf18("7","7","8","1","8","1","1") = "7"
    & skf18("7","7","8","1","8","2","1") = "7"
    & skf18("7","7","8","1","8","3","1") = "7"
    & skf18("7","7","8","1","8","4","1") = "7"
    & skf18("7","7","8","1","8","5","1") = "7"
    & skf18("7","7","8","1","8","6","1") = "7"
    & skf18("7","7","8","1","8","7","1") = "7"
    & skf18("7","7","8","1","8","8","1") = "7"
    & skf18("7","7","8","1","8","9","1") = "8"
    & skf18("7","7","8","1","8","10","1") = "9"
    & skf18("7","7","8","1","9","1","1") = "8"
    & skf18("7","7","8","1","9","2","1") = "8"
    & skf18("7","7","8","1","9","3","1") = "8"
    & skf18("7","7","8","1","9","4","1") = "8"
    & skf18("7","7","8","1","9","5","1") = "8"
    & skf18("7","7","8","1","9","6","1") = "8"
    & skf18("7","7","8","1","9","7","1") = "8"
    & skf18("7","7","8","1","9","8","1") = "8"
    & skf18("7","7","8","1","9","9","1") = "8"
    & skf18("7","7","8","1","9","10","1") = "9"
    & skf18("7","7","8","1","10","1","1") = "9"
    & skf18("7","7","8","1","10","2","1") = "9"
    & skf18("7","7","8","1","10","3","1") = "9"
    & skf18("7","7","8","1","10","4","1") = "9"
    & skf18("7","7","8","1","10","5","1") = "9"
    & skf18("7","7","8","1","10","6","1") = "9"
    & skf18("7","7","8","1","10","7","1") = "9"
    & skf18("7","7","8","1","10","8","1") = "9"
    & skf18("7","7","8","1","10","9","1") = "9"
    & skf18("7","7","8","1","10","10","1") = "9"
    & skf18("7","7","8","2","1","1","1") = "7"
    & skf18("7","7","8","2","1","2","1") = "7"
    & skf18("7","7","8","2","1","3","1") = "7"
    & skf18("7","7","8","2","1","4","1") = "7"
    & skf18("7","7","8","2","1","5","1") = "7"
    & skf18("7","7","8","2","1","6","1") = "7"
    & skf18("7","7","8","2","1","7","1") = "7"
    & skf18("7","7","8","2","1","8","1") = "7"
    & skf18("7","7","8","2","1","9","1") = "8"
    & skf18("7","7","8","2","1","10","1") = "9"
    & skf18("7","7","8","2","2","1","1") = "7"
    & skf18("7","7","8","2","2","2","1") = "7"
    & skf18("7","7","8","2","2","3","1") = "7"
    & skf18("7","7","8","2","2","4","1") = "7"
    & skf18("7","7","8","2","2","5","1") = "7"
    & skf18("7","7","8","2","2","6","1") = "7"
    & skf18("7","7","8","2","2","7","1") = "7"
    & skf18("7","7","8","2","2","8","1") = "7"
    & skf18("7","7","8","2","2","9","1") = "8"
    & skf18("7","7","8","2","2","10","1") = "9"
    & skf18("7","7","8","2","3","1","1") = "7"
    & skf18("7","7","8","2","3","2","1") = "7"
    & skf18("7","7","8","2","3","3","1") = "7"
    & skf18("7","7","8","2","3","4","1") = "7"
    & skf18("7","7","8","2","3","5","1") = "7"
    & skf18("7","7","8","2","3","6","1") = "7"
    & skf18("7","7","8","2","3","7","1") = "7"
    & skf18("7","7","8","2","3","8","1") = "7"
    & skf18("7","7","8","2","3","9","1") = "8"
    & skf18("7","7","8","2","3","10","1") = "9"
    & skf18("7","7","8","2","4","1","1") = "7"
    & skf18("7","7","8","2","4","2","1") = "7"
    & skf18("7","7","8","2","4","3","1") = "7"
    & skf18("7","7","8","2","4","4","1") = "7"
    & skf18("7","7","8","2","4","5","1") = "7"
    & skf18("7","7","8","2","4","6","1") = "7"
    & skf18("7","7","8","2","4","7","1") = "7"
    & skf18("7","7","8","2","4","8","1") = "7"
    & skf18("7","7","8","2","4","9","1") = "8"
    & skf18("7","7","8","2","4","10","1") = "9"
    & skf18("7","7","8","2","5","1","1") = "7"
    & skf18("7","7","8","2","5","2","1") = "7"
    & skf18("7","7","8","2","5","3","1") = "7"
    & skf18("7","7","8","2","5","4","1") = "7"
    & skf18("7","7","8","2","5","5","1") = "7"
    & skf18("7","7","8","2","5","6","1") = "7"
    & skf18("7","7","8","2","5","7","1") = "7"
    & skf18("7","7","8","2","5","8","1") = "7"
    & skf18("7","7","8","2","5","9","1") = "8"
    & skf18("7","7","8","2","5","10","1") = "9"
    & skf18("7","7","8","2","6","1","1") = "7"
    & skf18("7","7","8","2","6","2","1") = "7"
    & skf18("7","7","8","2","6","3","1") = "7"
    & skf18("7","7","8","2","6","4","1") = "7"
    & skf18("7","7","8","2","6","5","1") = "7"
    & skf18("7","7","8","2","6","6","1") = "7"
    & skf18("7","7","8","2","6","7","1") = "7"
    & skf18("7","7","8","2","6","8","1") = "7"
    & skf18("7","7","8","2","6","9","1") = "8"
    & skf18("7","7","8","2","6","10","1") = "9"
    & skf18("7","7","8","2","7","1","1") = "7"
    & skf18("7","7","8","2","7","2","1") = "7"
    & skf18("7","7","8","2","7","3","1") = "7"
    & skf18("7","7","8","2","7","4","1") = "7"
    & skf18("7","7","8","2","7","5","1") = "7"
    & skf18("7","7","8","2","7","6","1") = "7"
    & skf18("7","7","8","2","7","7","1") = "7"
    & skf18("7","7","8","2","7","8","1") = "7"
    & skf18("7","7","8","2","7","9","1") = "8"
    & skf18("7","7","8","2","7","10","1") = "9"
    & skf18("7","7","8","2","8","1","1") = "7"
    & skf18("7","7","8","2","8","2","1") = "7"
    & skf18("7","7","8","2","8","3","1") = "7"
    & skf18("7","7","8","2","8","4","1") = "7"
    & skf18("7","7","8","2","8","5","1") = "7"
    & skf18("7","7","8","2","8","6","1") = "7"
    & skf18("7","7","8","2","8","7","1") = "7"
    & skf18("7","7","8","2","8","8","1") = "7"
    & skf18("7","7","8","2","8","9","1") = "8"
    & skf18("7","7","8","2","8","10","1") = "9"
    & skf18("7","7","8","2","9","1","1") = "8"
    & skf18("7","7","8","2","9","2","1") = "8"
    & skf18("7","7","8","2","9","3","1") = "8"
    & skf18("7","7","8","2","9","4","1") = "8"
    & skf18("7","7","8","2","9","5","1") = "8"
    & skf18("7","7","8","2","9","6","1") = "8"
    & skf18("7","7","8","2","9","7","1") = "8"
    & skf18("7","7","8","2","9","8","1") = "8"
    & skf18("7","7","8","2","9","9","1") = "8"
    & skf18("7","7","8","2","9","10","1") = "9"
    & skf18("7","7","8","2","10","1","1") = "9"
    & skf18("7","7","8","2","10","2","1") = "9"
    & skf18("7","7","8","2","10","3","1") = "9"
    & skf18("7","7","8","2","10","4","1") = "9"
    & skf18("7","7","8","2","10","5","1") = "9"
    & skf18("7","7","8","2","10","6","1") = "9"
    & skf18("7","7","8","2","10","7","1") = "9"
    & skf18("7","7","8","2","10","8","1") = "9"
    & skf18("7","7","8","2","10","9","1") = "9"
    & skf18("7","7","8","2","10","10","1") = "9"
    & skf18("7","7","8","3","1","1","1") = "7"
    & skf18("7","7","8","3","1","2","1") = "7"
    & skf18("7","7","8","3","1","3","1") = "7"
    & skf18("7","7","8","3","1","4","1") = "7"
    & skf18("7","7","8","3","1","5","1") = "7"
    & skf18("7","7","8","3","1","6","1") = "7"
    & skf18("7","7","8","3","1","7","1") = "7"
    & skf18("7","7","8","3","1","8","1") = "7"
    & skf18("7","7","8","3","1","9","1") = "8"
    & skf18("7","7","8","3","1","10","1") = "9"
    & skf18("7","7","8","3","2","1","1") = "7"
    & skf18("7","7","8","3","2","2","1") = "7"
    & skf18("7","7","8","3","2","3","1") = "7"
    & skf18("7","7","8","3","2","4","1") = "7"
    & skf18("7","7","8","3","2","5","1") = "7"
    & skf18("7","7","8","3","2","6","1") = "7"
    & skf18("7","7","8","3","2","7","1") = "7"
    & skf18("7","7","8","3","2","8","1") = "7"
    & skf18("7","7","8","3","2","9","1") = "8"
    & skf18("7","7","8","3","2","10","1") = "9"
    & skf18("7","7","8","3","3","1","1") = "7"
    & skf18("7","7","8","3","3","2","1") = "7"
    & skf18("7","7","8","3","3","3","1") = "7"
    & skf18("7","7","8","3","3","4","1") = "7"
    & skf18("7","7","8","3","3","5","1") = "7"
    & skf18("7","7","8","3","3","6","1") = "7"
    & skf18("7","7","8","3","3","7","1") = "7"
    & skf18("7","7","8","3","3","8","1") = "7"
    & skf18("7","7","8","3","3","9","1") = "8"
    & skf18("7","7","8","3","3","10","1") = "9"
    & skf18("7","7","8","3","4","1","1") = "7"
    & skf18("7","7","8","3","4","2","1") = "7"
    & skf18("7","7","8","3","4","3","1") = "7"
    & skf18("7","7","8","3","4","4","1") = "7"
    & skf18("7","7","8","3","4","5","1") = "7"
    & skf18("7","7","8","3","4","6","1") = "7"
    & skf18("7","7","8","3","4","7","1") = "7"
    & skf18("7","7","8","3","4","8","1") = "7"
    & skf18("7","7","8","3","4","9","1") = "8"
    & skf18("7","7","8","3","4","10","1") = "9"
    & skf18("7","7","8","3","5","1","1") = "7"
    & skf18("7","7","8","3","5","2","1") = "7"
    & skf18("7","7","8","3","5","3","1") = "7"
    & skf18("7","7","8","3","5","4","1") = "7"
    & skf18("7","7","8","3","5","5","1") = "7"
    & skf18("7","7","8","3","5","6","1") = "7"
    & skf18("7","7","8","3","5","7","1") = "7"
    & skf18("7","7","8","3","5","8","1") = "7"
    & skf18("7","7","8","3","5","9","1") = "8"
    & skf18("7","7","8","3","5","10","1") = "9"
    & skf18("7","7","8","3","6","1","1") = "7"
    & skf18("7","7","8","3","6","2","1") = "7"
    & skf18("7","7","8","3","6","3","1") = "7"
    & skf18("7","7","8","3","6","4","1") = "7"
    & skf18("7","7","8","3","6","5","1") = "7"
    & skf18("7","7","8","3","6","6","1") = "7"
    & skf18("7","7","8","3","6","7","1") = "7"
    & skf18("7","7","8","3","6","8","1") = "7"
    & skf18("7","7","8","3","6","9","1") = "8"
    & skf18("7","7","8","3","6","10","1") = "9"
    & skf18("7","7","8","3","7","1","1") = "7"
    & skf18("7","7","8","3","7","2","1") = "7"
    & skf18("7","7","8","3","7","3","1") = "7"
    & skf18("7","7","8","3","7","4","1") = "7"
    & skf18("7","7","8","3","7","5","1") = "7"
    & skf18("7","7","8","3","7","6","1") = "7"
    & skf18("7","7","8","3","7","7","1") = "7"
    & skf18("7","7","8","3","7","8","1") = "7"
    & skf18("7","7","8","3","7","9","1") = "8"
    & skf18("7","7","8","3","7","10","1") = "9"
    & skf18("7","7","8","3","8","1","1") = "7"
    & skf18("7","7","8","3","8","2","1") = "7"
    & skf18("7","7","8","3","8","3","1") = "7"
    & skf18("7","7","8","3","8","4","1") = "7"
    & skf18("7","7","8","3","8","5","1") = "7"
    & skf18("7","7","8","3","8","6","1") = "7"
    & skf18("7","7","8","3","8","7","1") = "7"
    & skf18("7","7","8","3","8","8","1") = "7"
    & skf18("7","7","8","3","8","9","1") = "8"
    & skf18("7","7","8","3","8","10","1") = "9"
    & skf18("7","7","8","3","9","1","1") = "8"
    & skf18("7","7","8","3","9","2","1") = "8"
    & skf18("7","7","8","3","9","3","1") = "8"
    & skf18("7","7","8","3","9","4","1") = "8"
    & skf18("7","7","8","3","9","5","1") = "8"
    & skf18("7","7","8","3","9","6","1") = "8"
    & skf18("7","7","8","3","9","7","1") = "8"
    & skf18("7","7","8","3","9","8","1") = "8"
    & skf18("7","7","8","3","9","9","1") = "8"
    & skf18("7","7","8","3","9","10","1") = "9"
    & skf18("7","7","8","3","10","1","1") = "9"
    & skf18("7","7","8","3","10","2","1") = "9"
    & skf18("7","7","8","3","10","3","1") = "9"
    & skf18("7","7","8","3","10","4","1") = "9"
    & skf18("7","7","8","3","10","5","1") = "9"
    & skf18("7","7","8","3","10","6","1") = "9"
    & skf18("7","7","8","3","10","7","1") = "9"
    & skf18("7","7","8","3","10","8","1") = "9"
    & skf18("7","7","8","3","10","9","1") = "9"
    & skf18("7","7","8","3","10","10","1") = "9"
    & skf18("7","7","8","4","1","1","1") = "7"
    & skf18("7","7","8","4","1","2","1") = "7"
    & skf18("7","7","8","4","1","3","1") = "7"
    & skf18("7","7","8","4","1","4","1") = "7"
    & skf18("7","7","8","4","1","5","1") = "7"
    & skf18("7","7","8","4","1","6","1") = "7"
    & skf18("7","7","8","4","1","7","1") = "7"
    & skf18("7","7","8","4","1","8","1") = "7"
    & skf18("7","7","8","4","1","9","1") = "8"
    & skf18("7","7","8","4","1","10","1") = "9"
    & skf18("7","7","8","4","2","1","1") = "7"
    & skf18("7","7","8","4","2","2","1") = "7"
    & skf18("7","7","8","4","2","3","1") = "7"
    & skf18("7","7","8","4","2","4","1") = "7"
    & skf18("7","7","8","4","2","5","1") = "7"
    & skf18("7","7","8","4","2","6","1") = "7"
    & skf18("7","7","8","4","2","7","1") = "7"
    & skf18("7","7","8","4","2","8","1") = "7"
    & skf18("7","7","8","4","2","9","1") = "8"
    & skf18("7","7","8","4","2","10","1") = "9"
    & skf18("7","7","8","4","3","1","1") = "7"
    & skf18("7","7","8","4","3","2","1") = "7"
    & skf18("7","7","8","4","3","3","1") = "7"
    & skf18("7","7","8","4","3","4","1") = "7"
    & skf18("7","7","8","4","3","5","1") = "7"
    & skf18("7","7","8","4","3","6","1") = "7"
    & skf18("7","7","8","4","3","7","1") = "7"
    & skf18("7","7","8","4","3","8","1") = "7"
    & skf18("7","7","8","4","3","9","1") = "8"
    & skf18("7","7","8","4","3","10","1") = "9"
    & skf18("7","7","8","4","4","1","1") = "7"
    & skf18("7","7","8","4","4","2","1") = "7"
    & skf18("7","7","8","4","4","3","1") = "7"
    & skf18("7","7","8","4","4","4","1") = "7"
    & skf18("7","7","8","4","4","5","1") = "7"
    & skf18("7","7","8","4","4","6","1") = "7"
    & skf18("7","7","8","4","4","7","1") = "7"
    & skf18("7","7","8","4","4","8","1") = "7"
    & skf18("7","7","8","4","4","9","1") = "8"
    & skf18("7","7","8","4","4","10","1") = "9"
    & skf18("7","7","8","4","5","1","1") = "7"
    & skf18("7","7","8","4","5","2","1") = "7"
    & skf18("7","7","8","4","5","3","1") = "7"
    & skf18("7","7","8","4","5","4","1") = "7"
    & skf18("7","7","8","4","5","5","1") = "7"
    & skf18("7","7","8","4","5","6","1") = "7"
    & skf18("7","7","8","4","5","7","1") = "7"
    & skf18("7","7","8","4","5","8","1") = "7"
    & skf18("7","7","8","4","5","9","1") = "8"
    & skf18("7","7","8","4","5","10","1") = "9"
    & skf18("7","7","8","4","6","1","1") = "7"
    & skf18("7","7","8","4","6","2","1") = "7"
    & skf18("7","7","8","4","6","3","1") = "7"
    & skf18("7","7","8","4","6","4","1") = "7"
    & skf18("7","7","8","4","6","5","1") = "7"
    & skf18("7","7","8","4","6","6","1") = "7"
    & skf18("7","7","8","4","6","7","1") = "7"
    & skf18("7","7","8","4","6","8","1") = "7"
    & skf18("7","7","8","4","6","9","1") = "8"
    & skf18("7","7","8","4","6","10","1") = "9"
    & skf18("7","7","8","4","7","1","1") = "7"
    & skf18("7","7","8","4","7","2","1") = "7"
    & skf18("7","7","8","4","7","3","1") = "7"
    & skf18("7","7","8","4","7","4","1") = "7"
    & skf18("7","7","8","4","7","5","1") = "7"
    & skf18("7","7","8","4","7","6","1") = "7"
    & skf18("7","7","8","4","7","7","1") = "7"
    & skf18("7","7","8","4","7","8","1") = "7"
    & skf18("7","7","8","4","7","9","1") = "8"
    & skf18("7","7","8","4","7","10","1") = "9"
    & skf18("7","7","8","4","8","1","1") = "7"
    & skf18("7","7","8","4","8","2","1") = "7"
    & skf18("7","7","8","4","8","3","1") = "7"
    & skf18("7","7","8","4","8","4","1") = "7"
    & skf18("7","7","8","4","8","5","1") = "7"
    & skf18("7","7","8","4","8","6","1") = "7"
    & skf18("7","7","8","4","8","7","1") = "7"
    & skf18("7","7","8","4","8","8","1") = "7"
    & skf18("7","7","8","4","8","9","1") = "8"
    & skf18("7","7","8","4","8","10","1") = "9"
    & skf18("7","7","8","4","9","1","1") = "8"
    & skf18("7","7","8","4","9","2","1") = "8"
    & skf18("7","7","8","4","9","3","1") = "8"
    & skf18("7","7","8","4","9","4","1") = "8"
    & skf18("7","7","8","4","9","5","1") = "8"
    & skf18("7","7","8","4","9","6","1") = "8"
    & skf18("7","7","8","4","9","7","1") = "8"
    & skf18("7","7","8","4","9","8","1") = "8"
    & skf18("7","7","8","4","9","9","1") = "8"
    & skf18("7","7","8","4","9","10","1") = "9"
    & skf18("7","7","8","4","10","1","1") = "9"
    & skf18("7","7","8","4","10","2","1") = "9"
    & skf18("7","7","8","4","10","3","1") = "9"
    & skf18("7","7","8","4","10","4","1") = "9"
    & skf18("7","7","8","4","10","5","1") = "9"
    & skf18("7","7","8","4","10","6","1") = "9"
    & skf18("7","7","8","4","10","7","1") = "9"
    & skf18("7","7","8","4","10","8","1") = "9"
    & skf18("7","7","8","4","10","9","1") = "9"
    & skf18("7","7","8","4","10","10","1") = "9"
    & skf18("7","7","8","5","1","1","1") = "7"
    & skf18("7","7","8","5","1","2","1") = "7"
    & skf18("7","7","8","5","1","3","1") = "7"
    & skf18("7","7","8","5","1","4","1") = "7"
    & skf18("7","7","8","5","1","5","1") = "7"
    & skf18("7","7","8","5","1","6","1") = "7"
    & skf18("7","7","8","5","1","7","1") = "7"
    & skf18("7","7","8","5","1","8","1") = "7"
    & skf18("7","7","8","5","1","9","1") = "8"
    & skf18("7","7","8","5","1","10","1") = "9"
    & skf18("7","7","8","5","2","1","1") = "7"
    & skf18("7","7","8","5","2","2","1") = "7"
    & skf18("7","7","8","5","2","3","1") = "7"
    & skf18("7","7","8","5","2","4","1") = "7"
    & skf18("7","7","8","5","2","5","1") = "7"
    & skf18("7","7","8","5","2","6","1") = "7"
    & skf18("7","7","8","5","2","7","1") = "7"
    & skf18("7","7","8","5","2","8","1") = "7"
    & skf18("7","7","8","5","2","9","1") = "8"
    & skf18("7","7","8","5","2","10","1") = "9"
    & skf18("7","7","8","5","3","1","1") = "7"
    & skf18("7","7","8","5","3","2","1") = "7"
    & skf18("7","7","8","5","3","3","1") = "7"
    & skf18("7","7","8","5","3","4","1") = "7"
    & skf18("7","7","8","5","3","5","1") = "7"
    & skf18("7","7","8","5","3","6","1") = "7"
    & skf18("7","7","8","5","3","7","1") = "7"
    & skf18("7","7","8","5","3","8","1") = "7"
    & skf18("7","7","8","5","3","9","1") = "8"
    & skf18("7","7","8","5","3","10","1") = "9"
    & skf18("7","7","8","5","4","1","1") = "7"
    & skf18("7","7","8","5","4","2","1") = "7"
    & skf18("7","7","8","5","4","3","1") = "7"
    & skf18("7","7","8","5","4","4","1") = "7"
    & skf18("7","7","8","5","4","5","1") = "7"
    & skf18("7","7","8","5","4","6","1") = "7"
    & skf18("7","7","8","5","4","7","1") = "7"
    & skf18("7","7","8","5","4","8","1") = "7"
    & skf18("7","7","8","5","4","9","1") = "8"
    & skf18("7","7","8","5","4","10","1") = "9"
    & skf18("7","7","8","5","5","1","1") = "7"
    & skf18("7","7","8","5","5","2","1") = "7"
    & skf18("7","7","8","5","5","3","1") = "7"
    & skf18("7","7","8","5","5","4","1") = "7"
    & skf18("7","7","8","5","5","5","1") = "7"
    & skf18("7","7","8","5","5","6","1") = "7"
    & skf18("7","7","8","5","5","7","1") = "7"
    & skf18("7","7","8","5","5","8","1") = "7"
    & skf18("7","7","8","5","5","9","1") = "8"
    & skf18("7","7","8","5","5","10","1") = "9"
    & skf18("7","7","8","5","6","1","1") = "7"
    & skf18("7","7","8","5","6","2","1") = "7"
    & skf18("7","7","8","5","6","3","1") = "7"
    & skf18("7","7","8","5","6","4","1") = "7"
    & skf18("7","7","8","5","6","5","1") = "7"
    & skf18("7","7","8","5","6","6","1") = "7"
    & skf18("7","7","8","5","6","7","1") = "7"
    & skf18("7","7","8","5","6","8","1") = "7"
    & skf18("7","7","8","5","6","9","1") = "8"
    & skf18("7","7","8","5","6","10","1") = "9"
    & skf18("7","7","8","5","7","1","1") = "7"
    & skf18("7","7","8","5","7","2","1") = "7"
    & skf18("7","7","8","5","7","3","1") = "7"
    & skf18("7","7","8","5","7","4","1") = "7"
    & skf18("7","7","8","5","7","5","1") = "7"
    & skf18("7","7","8","5","7","6","1") = "7"
    & skf18("7","7","8","5","7","7","1") = "7"
    & skf18("7","7","8","5","7","8","1") = "7"
    & skf18("7","7","8","5","7","9","1") = "8"
    & skf18("7","7","8","5","7","10","1") = "9"
    & skf18("7","7","8","5","8","1","1") = "7"
    & skf18("7","7","8","5","8","2","1") = "7"
    & skf18("7","7","8","5","8","3","1") = "7"
    & skf18("7","7","8","5","8","4","1") = "7"
    & skf18("7","7","8","5","8","5","1") = "7"
    & skf18("7","7","8","5","8","6","1") = "7"
    & skf18("7","7","8","5","8","7","1") = "7"
    & skf18("7","7","8","5","8","8","1") = "7"
    & skf18("7","7","8","5","8","9","1") = "8"
    & skf18("7","7","8","5","8","10","1") = "9"
    & skf18("7","7","8","5","9","1","1") = "8"
    & skf18("7","7","8","5","9","2","1") = "8"
    & skf18("7","7","8","5","9","3","1") = "8"
    & skf18("7","7","8","5","9","4","1") = "8"
    & skf18("7","7","8","5","9","5","1") = "8"
    & skf18("7","7","8","5","9","6","1") = "8"
    & skf18("7","7","8","5","9","7","1") = "8"
    & skf18("7","7","8","5","9","8","1") = "8"
    & skf18("7","7","8","5","9","9","1") = "8"
    & skf18("7","7","8","5","9","10","1") = "9"
    & skf18("7","7","8","5","10","1","1") = "9"
    & skf18("7","7","8","5","10","2","1") = "9"
    & skf18("7","7","8","5","10","3","1") = "9"
    & skf18("7","7","8","5","10","4","1") = "9"
    & skf18("7","7","8","5","10","5","1") = "9"
    & skf18("7","7","8","5","10","6","1") = "9"
    & skf18("7","7","8","5","10","7","1") = "9"
    & skf18("7","7","8","5","10","8","1") = "9"
    & skf18("7","7","8","5","10","9","1") = "9"
    & skf18("7","7","8","5","10","10","1") = "9"
    & skf18("7","7","8","6","1","1","1") = "7"
    & skf18("7","7","8","6","1","2","1") = "7"
    & skf18("7","7","8","6","1","3","1") = "7"
    & skf18("7","7","8","6","1","4","1") = "7"
    & skf18("7","7","8","6","1","5","1") = "7"
    & skf18("7","7","8","6","1","6","1") = "7"
    & skf18("7","7","8","6","1","7","1") = "7"
    & skf18("7","7","8","6","1","8","1") = "7"
    & skf18("7","7","8","6","1","9","1") = "8"
    & skf18("7","7","8","6","1","10","1") = "9"
    & skf18("7","7","8","6","2","1","1") = "7"
    & skf18("7","7","8","6","2","2","1") = "7"
    & skf18("7","7","8","6","2","3","1") = "7"
    & skf18("7","7","8","6","2","4","1") = "7"
    & skf18("7","7","8","6","2","5","1") = "7"
    & skf18("7","7","8","6","2","6","1") = "7"
    & skf18("7","7","8","6","2","7","1") = "7"
    & skf18("7","7","8","6","2","8","1") = "7"
    & skf18("7","7","8","6","2","9","1") = "8"
    & skf18("7","7","8","6","2","10","1") = "9"
    & skf18("7","7","8","6","3","1","1") = "7"
    & skf18("7","7","8","6","3","2","1") = "7"
    & skf18("7","7","8","6","3","3","1") = "7"
    & skf18("7","7","8","6","3","4","1") = "7"
    & skf18("7","7","8","6","3","5","1") = "7"
    & skf18("7","7","8","6","3","6","1") = "7"
    & skf18("7","7","8","6","3","7","1") = "7"
    & skf18("7","7","8","6","3","8","1") = "7"
    & skf18("7","7","8","6","3","9","1") = "8"
    & skf18("7","7","8","6","3","10","1") = "9"
    & skf18("7","7","8","6","4","1","1") = "7"
    & skf18("7","7","8","6","4","2","1") = "7"
    & skf18("7","7","8","6","4","3","1") = "7"
    & skf18("7","7","8","6","4","4","1") = "7"
    & skf18("7","7","8","6","4","5","1") = "7"
    & skf18("7","7","8","6","4","6","1") = "7"
    & skf18("7","7","8","6","4","7","1") = "7"
    & skf18("7","7","8","6","4","8","1") = "7"
    & skf18("7","7","8","6","4","9","1") = "8"
    & skf18("7","7","8","6","4","10","1") = "9"
    & skf18("7","7","8","6","5","1","1") = "7"
    & skf18("7","7","8","6","5","2","1") = "7"
    & skf18("7","7","8","6","5","3","1") = "7"
    & skf18("7","7","8","6","5","4","1") = "7"
    & skf18("7","7","8","6","5","5","1") = "7"
    & skf18("7","7","8","6","5","6","1") = "7"
    & skf18("7","7","8","6","5","7","1") = "7"
    & skf18("7","7","8","6","5","8","1") = "7"
    & skf18("7","7","8","6","5","9","1") = "8"
    & skf18("7","7","8","6","5","10","1") = "9"
    & skf18("7","7","8","6","6","1","1") = "7"
    & skf18("7","7","8","6","6","2","1") = "7"
    & skf18("7","7","8","6","6","3","1") = "7"
    & skf18("7","7","8","6","6","4","1") = "7"
    & skf18("7","7","8","6","6","5","1") = "7"
    & skf18("7","7","8","6","6","6","1") = "7"
    & skf18("7","7","8","6","6","7","1") = "7"
    & skf18("7","7","8","6","6","8","1") = "7"
    & skf18("7","7","8","6","6","9","1") = "8"
    & skf18("7","7","8","6","6","10","1") = "9"
    & skf18("7","7","8","6","7","1","1") = "7"
    & skf18("7","7","8","6","7","2","1") = "7"
    & skf18("7","7","8","6","7","3","1") = "7"
    & skf18("7","7","8","6","7","4","1") = "7"
    & skf18("7","7","8","6","7","5","1") = "7"
    & skf18("7","7","8","6","7","6","1") = "7"
    & skf18("7","7","8","6","7","7","1") = "7"
    & skf18("7","7","8","6","7","8","1") = "7"
    & skf18("7","7","8","6","7","9","1") = "8"
    & skf18("7","7","8","6","7","10","1") = "9"
    & skf18("7","7","8","6","8","1","1") = "7"
    & skf18("7","7","8","6","8","2","1") = "7"
    & skf18("7","7","8","6","8","3","1") = "7"
    & skf18("7","7","8","6","8","4","1") = "7"
    & skf18("7","7","8","6","8","5","1") = "7"
    & skf18("7","7","8","6","8","6","1") = "7"
    & skf18("7","7","8","6","8","7","1") = "7"
    & skf18("7","7","8","6","8","8","1") = "7"
    & skf18("7","7","8","6","8","9","1") = "8"
    & skf18("7","7","8","6","8","10","1") = "9"
    & skf18("7","7","8","6","9","1","1") = "8"
    & skf18("7","7","8","6","9","2","1") = "8"
    & skf18("7","7","8","6","9","3","1") = "8"
    & skf18("7","7","8","6","9","4","1") = "8"
    & skf18("7","7","8","6","9","5","1") = "8"
    & skf18("7","7","8","6","9","6","1") = "8"
    & skf18("7","7","8","6","9","7","1") = "8"
    & skf18("7","7","8","6","9","8","1") = "8"
    & skf18("7","7","8","6","9","9","1") = "8"
    & skf18("7","7","8","6","9","10","1") = "9"
    & skf18("7","7","8","6","10","1","1") = "9"
    & skf18("7","7","8","6","10","2","1") = "9"
    & skf18("7","7","8","6","10","3","1") = "9"
    & skf18("7","7","8","6","10","4","1") = "9"
    & skf18("7","7","8","6","10","5","1") = "9"
    & skf18("7","7","8","6","10","6","1") = "9"
    & skf18("7","7","8","6","10","7","1") = "9"
    & skf18("7","7","8","6","10","8","1") = "9"
    & skf18("7","7","8","6","10","9","1") = "9"
    & skf18("7","7","8","6","10","10","1") = "9"
    & skf18("7","7","8","7","1","1","1") = "7"
    & skf18("7","7","8","7","1","2","1") = "7"
    & skf18("7","7","8","7","1","3","1") = "7"
    & skf18("7","7","8","7","1","4","1") = "7"
    & skf18("7","7","8","7","1","5","1") = "7"
    & skf18("7","7","8","7","1","6","1") = "7"
    & skf18("7","7","8","7","1","7","1") = "7"
    & skf18("7","7","8","7","1","8","1") = "7"
    & skf18("7","7","8","7","1","9","1") = "8"
    & skf18("7","7","8","7","1","10","1") = "9"
    & skf18("7","7","8","7","2","1","1") = "7"
    & skf18("7","7","8","7","2","2","1") = "7"
    & skf18("7","7","8","7","2","3","1") = "7"
    & skf18("7","7","8","7","2","4","1") = "7"
    & skf18("7","7","8","7","2","5","1") = "7"
    & skf18("7","7","8","7","2","6","1") = "7"
    & skf18("7","7","8","7","2","7","1") = "7"
    & skf18("7","7","8","7","2","8","1") = "7"
    & skf18("7","7","8","7","2","9","1") = "8"
    & skf18("7","7","8","7","2","10","1") = "9"
    & skf18("7","7","8","7","3","1","1") = "7"
    & skf18("7","7","8","7","3","2","1") = "7"
    & skf18("7","7","8","7","3","3","1") = "7"
    & skf18("7","7","8","7","3","4","1") = "7"
    & skf18("7","7","8","7","3","5","1") = "7"
    & skf18("7","7","8","7","3","6","1") = "7"
    & skf18("7","7","8","7","3","7","1") = "7"
    & skf18("7","7","8","7","3","8","1") = "7"
    & skf18("7","7","8","7","3","9","1") = "8"
    & skf18("7","7","8","7","3","10","1") = "9"
    & skf18("7","7","8","7","4","1","1") = "7"
    & skf18("7","7","8","7","4","2","1") = "7"
    & skf18("7","7","8","7","4","3","1") = "7"
    & skf18("7","7","8","7","4","4","1") = "7"
    & skf18("7","7","8","7","4","5","1") = "7"
    & skf18("7","7","8","7","4","6","1") = "7"
    & skf18("7","7","8","7","4","7","1") = "7"
    & skf18("7","7","8","7","4","8","1") = "7"
    & skf18("7","7","8","7","4","9","1") = "8"
    & skf18("7","7","8","7","4","10","1") = "9"
    & skf18("7","7","8","7","5","1","1") = "7"
    & skf18("7","7","8","7","5","2","1") = "7"
    & skf18("7","7","8","7","5","3","1") = "7"
    & skf18("7","7","8","7","5","4","1") = "7"
    & skf18("7","7","8","7","5","5","1") = "7"
    & skf18("7","7","8","7","5","6","1") = "7"
    & skf18("7","7","8","7","5","7","1") = "7"
    & skf18("7","7","8","7","5","8","1") = "7"
    & skf18("7","7","8","7","5","9","1") = "8"
    & skf18("7","7","8","7","5","10","1") = "9"
    & skf18("7","7","8","7","6","1","1") = "7"
    & skf18("7","7","8","7","6","2","1") = "7"
    & skf18("7","7","8","7","6","3","1") = "7"
    & skf18("7","7","8","7","6","4","1") = "7"
    & skf18("7","7","8","7","6","5","1") = "7"
    & skf18("7","7","8","7","6","6","1") = "7"
    & skf18("7","7","8","7","6","7","1") = "7"
    & skf18("7","7","8","7","6","8","1") = "7"
    & skf18("7","7","8","7","6","9","1") = "8"
    & skf18("7","7","8","7","6","10","1") = "9"
    & skf18("7","7","8","7","7","1","1") = "7"
    & skf18("7","7","8","7","7","2","1") = "7"
    & skf18("7","7","8","7","7","3","1") = "7"
    & skf18("7","7","8","7","7","4","1") = "7"
    & skf18("7","7","8","7","7","5","1") = "7"
    & skf18("7","7","8","7","7","6","1") = "7"
    & skf18("7","7","8","7","7","7","1") = "7"
    & skf18("7","7","8","7","7","8","1") = "7"
    & skf18("7","7","8","7","7","9","1") = "8"
    & skf18("7","7","8","7","7","10","1") = "9"
    & skf18("7","7","8","7","8","1","1") = "7"
    & skf18("7","7","8","7","8","2","1") = "7"
    & skf18("7","7","8","7","8","3","1") = "7"
    & skf18("7","7","8","7","8","4","1") = "7"
    & skf18("7","7","8","7","8","5","1") = "7"
    & skf18("7","7","8","7","8","6","1") = "7"
    & skf18("7","7","8","7","8","7","1") = "7"
    & skf18("7","7","8","7","8","8","1") = "7"
    & skf18("7","7","8","7","8","9","1") = "8"
    & skf18("7","7","8","7","8","10","1") = "9"
    & skf18("7","7","8","7","9","1","1") = "8"
    & skf18("7","7","8","7","9","2","1") = "8"
    & skf18("7","7","8","7","9","3","1") = "8"
    & skf18("7","7","8","7","9","4","1") = "8"
    & skf18("7","7","8","7","9","5","1") = "8"
    & skf18("7","7","8","7","9","6","1") = "8"
    & skf18("7","7","8","7","9","7","1") = "8"
    & skf18("7","7","8","7","9","8","1") = "8"
    & skf18("7","7","8","7","9","9","1") = "8"
    & skf18("7","7","8","7","9","10","1") = "9"
    & skf18("7","7","8","7","10","1","1") = "9"
    & skf18("7","7","8","7","10","2","1") = "9"
    & skf18("7","7","8","7","10","3","1") = "9"
    & skf18("7","7","8","7","10","4","1") = "9"
    & skf18("7","7","8","7","10","5","1") = "9"
    & skf18("7","7","8","7","10","6","1") = "9"
    & skf18("7","7","8","7","10","7","1") = "9"
    & skf18("7","7","8","7","10","8","1") = "9"
    & skf18("7","7","8","7","10","9","1") = "9"
    & skf18("7","7","8","7","10","10","1") = "9"
    & skf18("7","7","8","8","1","1","1") = "7"
    & skf18("7","7","8","8","1","2","1") = "7"
    & skf18("7","7","8","8","1","3","1") = "7"
    & skf18("7","7","8","8","1","4","1") = "7"
    & skf18("7","7","8","8","1","5","1") = "7"
    & skf18("7","7","8","8","1","6","1") = "7"
    & skf18("7","7","8","8","1","7","1") = "7"
    & skf18("7","7","8","8","1","8","1") = "7"
    & skf18("7","7","8","8","1","9","1") = "8"
    & skf18("7","7","8","8","1","10","1") = "9"
    & skf18("7","7","8","8","2","1","1") = "7"
    & skf18("7","7","8","8","2","2","1") = "7"
    & skf18("7","7","8","8","2","3","1") = "7"
    & skf18("7","7","8","8","2","4","1") = "7"
    & skf18("7","7","8","8","2","5","1") = "7"
    & skf18("7","7","8","8","2","6","1") = "7"
    & skf18("7","7","8","8","2","7","1") = "7"
    & skf18("7","7","8","8","2","8","1") = "7"
    & skf18("7","7","8","8","2","9","1") = "8"
    & skf18("7","7","8","8","2","10","1") = "9"
    & skf18("7","7","8","8","3","1","1") = "7"
    & skf18("7","7","8","8","3","2","1") = "7"
    & skf18("7","7","8","8","3","3","1") = "7"
    & skf18("7","7","8","8","3","4","1") = "7"
    & skf18("7","7","8","8","3","5","1") = "7"
    & skf18("7","7","8","8","3","6","1") = "7"
    & skf18("7","7","8","8","3","7","1") = "7"
    & skf18("7","7","8","8","3","8","1") = "7"
    & skf18("7","7","8","8","3","9","1") = "8"
    & skf18("7","7","8","8","3","10","1") = "9"
    & skf18("7","7","8","8","4","1","1") = "7"
    & skf18("7","7","8","8","4","2","1") = "7"
    & skf18("7","7","8","8","4","3","1") = "7"
    & skf18("7","7","8","8","4","4","1") = "7"
    & skf18("7","7","8","8","4","5","1") = "7"
    & skf18("7","7","8","8","4","6","1") = "7"
    & skf18("7","7","8","8","4","7","1") = "7"
    & skf18("7","7","8","8","4","8","1") = "7"
    & skf18("7","7","8","8","4","9","1") = "8"
    & skf18("7","7","8","8","4","10","1") = "9"
    & skf18("7","7","8","8","5","1","1") = "7"
    & skf18("7","7","8","8","5","2","1") = "7"
    & skf18("7","7","8","8","5","3","1") = "7"
    & skf18("7","7","8","8","5","4","1") = "7"
    & skf18("7","7","8","8","5","5","1") = "7"
    & skf18("7","7","8","8","5","6","1") = "7"
    & skf18("7","7","8","8","5","7","1") = "7"
    & skf18("7","7","8","8","5","8","1") = "7"
    & skf18("7","7","8","8","5","9","1") = "8"
    & skf18("7","7","8","8","5","10","1") = "9"
    & skf18("7","7","8","8","6","1","1") = "7"
    & skf18("7","7","8","8","6","2","1") = "7"
    & skf18("7","7","8","8","6","3","1") = "7"
    & skf18("7","7","8","8","6","4","1") = "7"
    & skf18("7","7","8","8","6","5","1") = "7"
    & skf18("7","7","8","8","6","6","1") = "7"
    & skf18("7","7","8","8","6","7","1") = "7"
    & skf18("7","7","8","8","6","8","1") = "7"
    & skf18("7","7","8","8","6","9","1") = "8"
    & skf18("7","7","8","8","6","10","1") = "9"
    & skf18("7","7","8","8","7","1","1") = "7"
    & skf18("7","7","8","8","7","2","1") = "7"
    & skf18("7","7","8","8","7","3","1") = "7"
    & skf18("7","7","8","8","7","4","1") = "7"
    & skf18("7","7","8","8","7","5","1") = "7"
    & skf18("7","7","8","8","7","6","1") = "7"
    & skf18("7","7","8","8","7","7","1") = "7"
    & skf18("7","7","8","8","7","8","1") = "7"
    & skf18("7","7","8","8","7","9","1") = "8"
    & skf18("7","7","8","8","7","10","1") = "9"
    & skf18("7","7","8","8","8","1","1") = "7"
    & skf18("7","7","8","8","8","2","1") = "7"
    & skf18("7","7","8","8","8","3","1") = "7"
    & skf18("7","7","8","8","8","4","1") = "7"
    & skf18("7","7","8","8","8","5","1") = "7"
    & skf18("7","7","8","8","8","6","1") = "7"
    & skf18("7","7","8","8","8","7","1") = "7"
    & skf18("7","7","8","8","8","8","1") = "7"
    & skf18("7","7","8","8","8","9","1") = "8"
    & skf18("7","7","8","8","8","10","1") = "9"
    & skf18("7","7","8","8","9","1","1") = "8"
    & skf18("7","7","8","8","9","2","1") = "8"
    & skf18("7","7","8","8","9","3","1") = "8"
    & skf18("7","7","8","8","9","4","1") = "8"
    & skf18("7","7","8","8","9","5","1") = "8"
    & skf18("7","7","8","8","9","6","1") = "8"
    & skf18("7","7","8","8","9","7","1") = "8"
    & skf18("7","7","8","8","9","8","1") = "8"
    & skf18("7","7","8","8","9","9","1") = "8"
    & skf18("7","7","8","8","9","10","1") = "9"
    & skf18("7","7","8","8","10","1","1") = "9"
    & skf18("7","7","8","8","10","2","1") = "9"
    & skf18("7","7","8","8","10","3","1") = "9"
    & skf18("7","7","8","8","10","4","1") = "9"
    & skf18("7","7","8","8","10","5","1") = "9"
    & skf18("7","7","8","8","10","6","1") = "9"
    & skf18("7","7","8","8","10","7","1") = "9"
    & skf18("7","7","8","8","10","8","1") = "9"
    & skf18("7","7","8","8","10","9","1") = "9"
    & skf18("7","7","8","8","10","10","1") = "9"
    & skf18("7","7","8","9","1","1","1") = "8"
    & skf18("7","7","8","9","1","2","1") = "8"
    & skf18("7","7","8","9","1","3","1") = "8"
    & skf18("7","7","8","9","1","4","1") = "8"
    & skf18("7","7","8","9","1","5","1") = "8"
    & skf18("7","7","8","9","1","6","1") = "8"
    & skf18("7","7","8","9","1","7","1") = "8"
    & skf18("7","7","8","9","1","8","1") = "8"
    & skf18("7","7","8","9","1","9","1") = "8"
    & skf18("7","7","8","9","1","10","1") = "9"
    & skf18("7","7","8","9","2","1","1") = "8"
    & skf18("7","7","8","9","2","2","1") = "8"
    & skf18("7","7","8","9","2","3","1") = "8"
    & skf18("7","7","8","9","2","4","1") = "8"
    & skf18("7","7","8","9","2","5","1") = "8"
    & skf18("7","7","8","9","2","6","1") = "8"
    & skf18("7","7","8","9","2","7","1") = "8"
    & skf18("7","7","8","9","2","8","1") = "8"
    & skf18("7","7","8","9","2","9","1") = "8"
    & skf18("7","7","8","9","2","10","1") = "9"
    & skf18("7","7","8","9","3","1","1") = "8"
    & skf18("7","7","8","9","3","2","1") = "8"
    & skf18("7","7","8","9","3","3","1") = "8"
    & skf18("7","7","8","9","3","4","1") = "8"
    & skf18("7","7","8","9","3","5","1") = "8"
    & skf18("7","7","8","9","3","6","1") = "8"
    & skf18("7","7","8","9","3","7","1") = "8"
    & skf18("7","7","8","9","3","8","1") = "8"
    & skf18("7","7","8","9","3","9","1") = "8"
    & skf18("7","7","8","9","3","10","1") = "9"
    & skf18("7","7","8","9","4","1","1") = "8"
    & skf18("7","7","8","9","4","2","1") = "8"
    & skf18("7","7","8","9","4","3","1") = "8"
    & skf18("7","7","8","9","4","4","1") = "8"
    & skf18("7","7","8","9","4","5","1") = "8"
    & skf18("7","7","8","9","4","6","1") = "8"
    & skf18("7","7","8","9","4","7","1") = "8"
    & skf18("7","7","8","9","4","8","1") = "8"
    & skf18("7","7","8","9","4","9","1") = "8"
    & skf18("7","7","8","9","4","10","1") = "9"
    & skf18("7","7","8","9","5","1","1") = "8"
    & skf18("7","7","8","9","5","2","1") = "8"
    & skf18("7","7","8","9","5","3","1") = "8"
    & skf18("7","7","8","9","5","4","1") = "8"
    & skf18("7","7","8","9","5","5","1") = "8"
    & skf18("7","7","8","9","5","6","1") = "8"
    & skf18("7","7","8","9","5","7","1") = "8"
    & skf18("7","7","8","9","5","8","1") = "8"
    & skf18("7","7","8","9","5","9","1") = "8"
    & skf18("7","7","8","9","5","10","1") = "9"
    & skf18("7","7","8","9","6","1","1") = "8"
    & skf18("7","7","8","9","6","2","1") = "8"
    & skf18("7","7","8","9","6","3","1") = "8"
    & skf18("7","7","8","9","6","4","1") = "8"
    & skf18("7","7","8","9","6","5","1") = "8"
    & skf18("7","7","8","9","6","6","1") = "8"
    & skf18("7","7","8","9","6","7","1") = "8"
    & skf18("7","7","8","9","6","8","1") = "8"
    & skf18("7","7","8","9","6","9","1") = "8"
    & skf18("7","7","8","9","6","10","1") = "9"
    & skf18("7","7","8","9","7","1","1") = "8"
    & skf18("7","7","8","9","7","2","1") = "8"
    & skf18("7","7","8","9","7","3","1") = "8"
    & skf18("7","7","8","9","7","4","1") = "8"
    & skf18("7","7","8","9","7","5","1") = "8"
    & skf18("7","7","8","9","7","6","1") = "8"
    & skf18("7","7","8","9","7","7","1") = "8"
    & skf18("7","7","8","9","7","8","1") = "8"
    & skf18("7","7","8","9","7","9","1") = "8"
    & skf18("7","7","8","9","7","10","1") = "9"
    & skf18("7","7","8","9","8","1","1") = "8"
    & skf18("7","7","8","9","8","2","1") = "8"
    & skf18("7","7","8","9","8","3","1") = "8"
    & skf18("7","7","8","9","8","4","1") = "8"
    & skf18("7","7","8","9","8","5","1") = "8"
    & skf18("7","7","8","9","8","6","1") = "8"
    & skf18("7","7","8","9","8","7","1") = "8"
    & skf18("7","7","8","9","8","8","1") = "8"
    & skf18("7","7","8","9","8","9","1") = "8"
    & skf18("7","7","8","9","8","10","1") = "9"
    & skf18("7","7","8","9","9","1","1") = "8"
    & skf18("7","7","8","9","9","2","1") = "8"
    & skf18("7","7","8","9","9","3","1") = "8"
    & skf18("7","7","8","9","9","4","1") = "8"
    & skf18("7","7","8","9","9","5","1") = "8"
    & skf18("7","7","8","9","9","6","1") = "8"
    & skf18("7","7","8","9","9","7","1") = "8"
    & skf18("7","7","8","9","9","8","1") = "8"
    & skf18("7","7","8","9","9","9","1") = "8"
    & skf18("7","7","8","9","9","10","1") = "9"
    & skf18("7","7","8","9","10","1","1") = "9"
    & skf18("7","7","8","9","10","2","1") = "9"
    & skf18("7","7","8","9","10","3","1") = "9"
    & skf18("7","7","8","9","10","4","1") = "9"
    & skf18("7","7","8","9","10","5","1") = "9"
    & skf18("7","7","8","9","10","6","1") = "9"
    & skf18("7","7","8","9","10","7","1") = "9"
    & skf18("7","7","8","9","10","8","1") = "9"
    & skf18("7","7","8","9","10","9","1") = "9"
    & skf18("7","7","8","9","10","10","1") = "9"
    & skf18("7","7","8","10","1","1","1") = "9"
    & skf18("7","7","8","10","1","2","1") = "9"
    & skf18("7","7","8","10","1","3","1") = "9"
    & skf18("7","7","8","10","1","4","1") = "9"
    & skf18("7","7","8","10","1","5","1") = "9"
    & skf18("7","7","8","10","1","6","1") = "9"
    & skf18("7","7","8","10","1","7","1") = "9"
    & skf18("7","7","8","10","1","8","1") = "9"
    & skf18("7","7","8","10","1","9","1") = "9"
    & skf18("7","7","8","10","1","10","1") = "9"
    & skf18("7","7","8","10","2","1","1") = "9"
    & skf18("7","7","8","10","2","2","1") = "9"
    & skf18("7","7","8","10","2","3","1") = "9"
    & skf18("7","7","8","10","2","4","1") = "9"
    & skf18("7","7","8","10","2","5","1") = "9"
    & skf18("7","7","8","10","2","6","1") = "9"
    & skf18("7","7","8","10","2","7","1") = "9"
    & skf18("7","7","8","10","2","8","1") = "9"
    & skf18("7","7","8","10","2","9","1") = "9"
    & skf18("7","7","8","10","2","10","1") = "9"
    & skf18("7","7","8","10","3","1","1") = "9"
    & skf18("7","7","8","10","3","2","1") = "9"
    & skf18("7","7","8","10","3","3","1") = "9"
    & skf18("7","7","8","10","3","4","1") = "9"
    & skf18("7","7","8","10","3","5","1") = "9"
    & skf18("7","7","8","10","3","6","1") = "9"
    & skf18("7","7","8","10","3","7","1") = "9"
    & skf18("7","7","8","10","3","8","1") = "9"
    & skf18("7","7","8","10","3","9","1") = "9"
    & skf18("7","7","8","10","3","10","1") = "9"
    & skf18("7","7","8","10","4","1","1") = "9"
    & skf18("7","7","8","10","4","2","1") = "9"
    & skf18("7","7","8","10","4","3","1") = "9"
    & skf18("7","7","8","10","4","4","1") = "9"
    & skf18("7","7","8","10","4","5","1") = "9"
    & skf18("7","7","8","10","4","6","1") = "9"
    & skf18("7","7","8","10","4","7","1") = "9"
    & skf18("7","7","8","10","4","8","1") = "9"
    & skf18("7","7","8","10","4","9","1") = "9"
    & skf18("7","7","8","10","4","10","1") = "9"
    & skf18("7","7","8","10","5","1","1") = "9"
    & skf18("7","7","8","10","5","2","1") = "9"
    & skf18("7","7","8","10","5","3","1") = "9"
    & skf18("7","7","8","10","5","4","1") = "9"
    & skf18("7","7","8","10","5","5","1") = "9"
    & skf18("7","7","8","10","5","6","1") = "9"
    & skf18("7","7","8","10","5","7","1") = "9"
    & skf18("7","7","8","10","5","8","1") = "9"
    & skf18("7","7","8","10","5","9","1") = "9"
    & skf18("7","7","8","10","5","10","1") = "9"
    & skf18("7","7","8","10","6","1","1") = "9"
    & skf18("7","7","8","10","6","2","1") = "9"
    & skf18("7","7","8","10","6","3","1") = "9"
    & skf18("7","7","8","10","6","4","1") = "9"
    & skf18("7","7","8","10","6","5","1") = "9"
    & skf18("7","7","8","10","6","6","1") = "9"
    & skf18("7","7","8","10","6","7","1") = "9"
    & skf18("7","7","8","10","6","8","1") = "9"
    & skf18("7","7","8","10","6","9","1") = "9"
    & skf18("7","7","8","10","6","10","1") = "9"
    & skf18("7","7","8","10","7","1","1") = "9"
    & skf18("7","7","8","10","7","2","1") = "9"
    & skf18("7","7","8","10","7","3","1") = "9"
    & skf18("7","7","8","10","7","4","1") = "9"
    & skf18("7","7","8","10","7","5","1") = "9"
    & skf18("7","7","8","10","7","6","1") = "9"
    & skf18("7","7","8","10","7","7","1") = "9"
    & skf18("7","7","8","10","7","8","1") = "9"
    & skf18("7","7","8","10","7","9","1") = "9"
    & skf18("7","7","8","10","7","10","1") = "9"
    & skf18("7","7","8","10","8","1","1") = "9"
    & skf18("7","7","8","10","8","2","1") = "9"
    & skf18("7","7","8","10","8","3","1") = "9"
    & skf18("7","7","8","10","8","4","1") = "9"
    & skf18("7","7","8","10","8","5","1") = "9"
    & skf18("7","7","8","10","8","6","1") = "9"
    & skf18("7","7","8","10","8","7","1") = "9"
    & skf18("7","7","8","10","8","8","1") = "9"
    & skf18("7","7","8","10","8","9","1") = "9"
    & skf18("7","7","8","10","8","10","1") = "9"
    & skf18("7","7","8","10","9","1","1") = "9"
    & skf18("7","7","8","10","9","2","1") = "9"
    & skf18("7","7","8","10","9","3","1") = "9"
    & skf18("7","7","8","10","9","4","1") = "9"
    & skf18("7","7","8","10","9","5","1") = "9"
    & skf18("7","7","8","10","9","6","1") = "9"
    & skf18("7","7","8","10","9","7","1") = "9"
    & skf18("7","7","8","10","9","8","1") = "9"
    & skf18("7","7","8","10","9","9","1") = "9"
    & skf18("7","7","8","10","9","10","1") = "9"
    & skf18("7","7","8","10","10","1","1") = "9"
    & skf18("7","7","8","10","10","2","1") = "9"
    & skf18("7","7","8","10","10","3","1") = "9"
    & skf18("7","7","8","10","10","4","1") = "9"
    & skf18("7","7","8","10","10","5","1") = "9"
    & skf18("7","7","8","10","10","6","1") = "9"
    & skf18("7","7","8","10","10","7","1") = "9"
    & skf18("7","7","8","10","10","8","1") = "9"
    & skf18("7","7","8","10","10","9","1") = "9"
    & skf18("7","7","8","10","10","10","1") = "9"
    & skf18("7","7","9","1","1","1","1") = "8"
    & skf18("7","7","9","1","1","2","1") = "8"
    & skf18("7","7","9","1","1","3","1") = "8"
    & skf18("7","7","9","1","1","4","1") = "8"
    & skf18("7","7","9","1","1","5","1") = "8"
    & skf18("7","7","9","1","1","6","1") = "8"
    & skf18("7","7","9","1","1","7","1") = "8"
    & skf18("7","7","9","1","1","8","1") = "8"
    & skf18("7","7","9","1","1","9","1") = "8"
    & skf18("7","7","9","1","1","10","1") = "9"
    & skf18("7","7","9","1","2","1","1") = "8"
    & skf18("7","7","9","1","2","2","1") = "8"
    & skf18("7","7","9","1","2","3","1") = "8"
    & skf18("7","7","9","1","2","4","1") = "8"
    & skf18("7","7","9","1","2","5","1") = "8"
    & skf18("7","7","9","1","2","6","1") = "8"
    & skf18("7","7","9","1","2","7","1") = "8"
    & skf18("7","7","9","1","2","8","1") = "8"
    & skf18("7","7","9","1","2","9","1") = "8"
    & skf18("7","7","9","1","2","10","1") = "9"
    & skf18("7","7","9","1","3","1","1") = "8"
    & skf18("7","7","9","1","3","2","1") = "8"
    & skf18("7","7","9","1","3","3","1") = "8"
    & skf18("7","7","9","1","3","4","1") = "8"
    & skf18("7","7","9","1","3","5","1") = "8"
    & skf18("7","7","9","1","3","6","1") = "8"
    & skf18("7","7","9","1","3","7","1") = "8"
    & skf18("7","7","9","1","3","8","1") = "8"
    & skf18("7","7","9","1","3","9","1") = "8"
    & skf18("7","7","9","1","3","10","1") = "9"
    & skf18("7","7","9","1","4","1","1") = "8"
    & skf18("7","7","9","1","4","2","1") = "8"
    & skf18("7","7","9","1","4","3","1") = "8"
    & skf18("7","7","9","1","4","4","1") = "8"
    & skf18("7","7","9","1","4","5","1") = "8"
    & skf18("7","7","9","1","4","6","1") = "8"
    & skf18("7","7","9","1","4","7","1") = "8"
    & skf18("7","7","9","1","4","8","1") = "8"
    & skf18("7","7","9","1","4","9","1") = "8"
    & skf18("7","7","9","1","4","10","1") = "9"
    & skf18("7","7","9","1","5","1","1") = "8"
    & skf18("7","7","9","1","5","2","1") = "8"
    & skf18("7","7","9","1","5","3","1") = "8"
    & skf18("7","7","9","1","5","4","1") = "8"
    & skf18("7","7","9","1","5","5","1") = "8"
    & skf18("7","7","9","1","5","6","1") = "8"
    & skf18("7","7","9","1","5","7","1") = "8"
    & skf18("7","7","9","1","5","8","1") = "8"
    & skf18("7","7","9","1","5","9","1") = "8"
    & skf18("7","7","9","1","5","10","1") = "9"
    & skf18("7","7","9","1","6","1","1") = "8"
    & skf18("7","7","9","1","6","2","1") = "8"
    & skf18("7","7","9","1","6","3","1") = "8"
    & skf18("7","7","9","1","6","4","1") = "8"
    & skf18("7","7","9","1","6","5","1") = "8"
    & skf18("7","7","9","1","6","6","1") = "8"
    & skf18("7","7","9","1","6","7","1") = "8"
    & skf18("7","7","9","1","6","8","1") = "8"
    & skf18("7","7","9","1","6","9","1") = "8"
    & skf18("7","7","9","1","6","10","1") = "9"
    & skf18("7","7","9","1","7","1","1") = "8"
    & skf18("7","7","9","1","7","2","1") = "8"
    & skf18("7","7","9","1","7","3","1") = "8"
    & skf18("7","7","9","1","7","4","1") = "8"
    & skf18("7","7","9","1","7","5","1") = "8"
    & skf18("7","7","9","1","7","6","1") = "8"
    & skf18("7","7","9","1","7","7","1") = "8"
    & skf18("7","7","9","1","7","8","1") = "8"
    & skf18("7","7","9","1","7","9","1") = "8"
    & skf18("7","7","9","1","7","10","1") = "9"
    & skf18("7","7","9","1","8","1","1") = "8"
    & skf18("7","7","9","1","8","2","1") = "8"
    & skf18("7","7","9","1","8","3","1") = "8"
    & skf18("7","7","9","1","8","4","1") = "8"
    & skf18("7","7","9","1","8","5","1") = "8"
    & skf18("7","7","9","1","8","6","1") = "8"
    & skf18("7","7","9","1","8","7","1") = "8"
    & skf18("7","7","9","1","8","8","1") = "8"
    & skf18("7","7","9","1","8","9","1") = "8"
    & skf18("7","7","9","1","8","10","1") = "9"
    & skf18("7","7","9","1","9","1","1") = "8"
    & skf18("7","7","9","1","9","2","1") = "8"
    & skf18("7","7","9","1","9","3","1") = "8"
    & skf18("7","7","9","1","9","4","1") = "8"
    & skf18("7","7","9","1","9","5","1") = "8"
    & skf18("7","7","9","1","9","6","1") = "8"
    & skf18("7","7","9","1","9","7","1") = "8"
    & skf18("7","7","9","1","9","8","1") = "8"
    & skf18("7","7","9","1","9","9","1") = "8"
    & skf18("7","7","9","1","9","10","1") = "9"
    & skf18("7","7","9","1","10","1","1") = "9"
    & skf18("7","7","9","1","10","2","1") = "9"
    & skf18("7","7","9","1","10","3","1") = "9"
    & skf18("7","7","9","1","10","4","1") = "9"
    & skf18("7","7","9","1","10","5","1") = "9"
    & skf18("7","7","9","1","10","6","1") = "9"
    & skf18("7","7","9","1","10","7","1") = "9"
    & skf18("7","7","9","1","10","8","1") = "9"
    & skf18("7","7","9","1","10","9","1") = "9"
    & skf18("7","7","9","1","10","10","1") = "9"
    & skf18("7","7","9","2","1","1","1") = "8"
    & skf18("7","7","9","2","1","2","1") = "8"
    & skf18("7","7","9","2","1","3","1") = "8"
    & skf18("7","7","9","2","1","4","1") = "8"
    & skf18("7","7","9","2","1","5","1") = "8"
    & skf18("7","7","9","2","1","6","1") = "8"
    & skf18("7","7","9","2","1","7","1") = "8"
    & skf18("7","7","9","2","1","8","1") = "8"
    & skf18("7","7","9","2","1","9","1") = "8"
    & skf18("7","7","9","2","1","10","1") = "9"
    & skf18("7","7","9","2","2","1","1") = "8"
    & skf18("7","7","9","2","2","2","1") = "8"
    & skf18("7","7","9","2","2","3","1") = "8"
    & skf18("7","7","9","2","2","4","1") = "8"
    & skf18("7","7","9","2","2","5","1") = "8"
    & skf18("7","7","9","2","2","6","1") = "8"
    & skf18("7","7","9","2","2","7","1") = "8"
    & skf18("7","7","9","2","2","8","1") = "8"
    & skf18("7","7","9","2","2","9","1") = "8"
    & skf18("7","7","9","2","2","10","1") = "9"
    & skf18("7","7","9","2","3","1","1") = "8"
    & skf18("7","7","9","2","3","2","1") = "8"
    & skf18("7","7","9","2","3","3","1") = "8"
    & skf18("7","7","9","2","3","4","1") = "8"
    & skf18("7","7","9","2","3","5","1") = "8"
    & skf18("7","7","9","2","3","6","1") = "8"
    & skf18("7","7","9","2","3","7","1") = "8"
    & skf18("7","7","9","2","3","8","1") = "8"
    & skf18("7","7","9","2","3","9","1") = "8"
    & skf18("7","7","9","2","3","10","1") = "9"
    & skf18("7","7","9","2","4","1","1") = "8"
    & skf18("7","7","9","2","4","2","1") = "8"
    & skf18("7","7","9","2","4","3","1") = "8"
    & skf18("7","7","9","2","4","4","1") = "8"
    & skf18("7","7","9","2","4","5","1") = "8"
    & skf18("7","7","9","2","4","6","1") = "8"
    & skf18("7","7","9","2","4","7","1") = "8"
    & skf18("7","7","9","2","4","8","1") = "8"
    & skf18("7","7","9","2","4","9","1") = "8"
    & skf18("7","7","9","2","4","10","1") = "9"
    & skf18("7","7","9","2","5","1","1") = "8"
    & skf18("7","7","9","2","5","2","1") = "8"
    & skf18("7","7","9","2","5","3","1") = "8"
    & skf18("7","7","9","2","5","4","1") = "8"
    & skf18("7","7","9","2","5","5","1") = "8"
    & skf18("7","7","9","2","5","6","1") = "8"
    & skf18("7","7","9","2","5","7","1") = "8"
    & skf18("7","7","9","2","5","8","1") = "8"
    & skf18("7","7","9","2","5","9","1") = "8"
    & skf18("7","7","9","2","5","10","1") = "9"
    & skf18("7","7","9","2","6","1","1") = "8"
    & skf18("7","7","9","2","6","2","1") = "8"
    & skf18("7","7","9","2","6","3","1") = "8"
    & skf18("7","7","9","2","6","4","1") = "8"
    & skf18("7","7","9","2","6","5","1") = "8"
    & skf18("7","7","9","2","6","6","1") = "8"
    & skf18("7","7","9","2","6","7","1") = "8"
    & skf18("7","7","9","2","6","8","1") = "8"
    & skf18("7","7","9","2","6","9","1") = "8"
    & skf18("7","7","9","2","6","10","1") = "9"
    & skf18("7","7","9","2","7","1","1") = "8"
    & skf18("7","7","9","2","7","2","1") = "8"
    & skf18("7","7","9","2","7","3","1") = "8"
    & skf18("7","7","9","2","7","4","1") = "8"
    & skf18("7","7","9","2","7","5","1") = "8"
    & skf18("7","7","9","2","7","6","1") = "8"
    & skf18("7","7","9","2","7","7","1") = "8"
    & skf18("7","7","9","2","7","8","1") = "8"
    & skf18("7","7","9","2","7","9","1") = "8"
    & skf18("7","7","9","2","7","10","1") = "9"
    & skf18("7","7","9","2","8","1","1") = "8"
    & skf18("7","7","9","2","8","2","1") = "8"
    & skf18("7","7","9","2","8","3","1") = "8"
    & skf18("7","7","9","2","8","4","1") = "8"
    & skf18("7","7","9","2","8","5","1") = "8"
    & skf18("7","7","9","2","8","6","1") = "8"
    & skf18("7","7","9","2","8","7","1") = "8"
    & skf18("7","7","9","2","8","8","1") = "8"
    & skf18("7","7","9","2","8","9","1") = "8"
    & skf18("7","7","9","2","8","10","1") = "9"
    & skf18("7","7","9","2","9","1","1") = "8"
    & skf18("7","7","9","2","9","2","1") = "8"
    & skf18("7","7","9","2","9","3","1") = "8"
    & skf18("7","7","9","2","9","4","1") = "8"
    & skf18("7","7","9","2","9","5","1") = "8"
    & skf18("7","7","9","2","9","6","1") = "8"
    & skf18("7","7","9","2","9","7","1") = "8"
    & skf18("7","7","9","2","9","8","1") = "8"
    & skf18("7","7","9","2","9","9","1") = "8"
    & skf18("7","7","9","2","9","10","1") = "9"
    & skf18("7","7","9","2","10","1","1") = "9"
    & skf18("7","7","9","2","10","2","1") = "9"
    & skf18("7","7","9","2","10","3","1") = "9"
    & skf18("7","7","9","2","10","4","1") = "9"
    & skf18("7","7","9","2","10","5","1") = "9"
    & skf18("7","7","9","2","10","6","1") = "9"
    & skf18("7","7","9","2","10","7","1") = "9"
    & skf18("7","7","9","2","10","8","1") = "9"
    & skf18("7","7","9","2","10","9","1") = "9"
    & skf18("7","7","9","2","10","10","1") = "9"
    & skf18("7","7","9","3","1","1","1") = "8"
    & skf18("7","7","9","3","1","2","1") = "8"
    & skf18("7","7","9","3","1","3","1") = "8"
    & skf18("7","7","9","3","1","4","1") = "8"
    & skf18("7","7","9","3","1","5","1") = "8"
    & skf18("7","7","9","3","1","6","1") = "8"
    & skf18("7","7","9","3","1","7","1") = "8"
    & skf18("7","7","9","3","1","8","1") = "8"
    & skf18("7","7","9","3","1","9","1") = "8"
    & skf18("7","7","9","3","1","10","1") = "9"
    & skf18("7","7","9","3","2","1","1") = "8"
    & skf18("7","7","9","3","2","2","1") = "8"
    & skf18("7","7","9","3","2","3","1") = "8"
    & skf18("7","7","9","3","2","4","1") = "8"
    & skf18("7","7","9","3","2","5","1") = "8"
    & skf18("7","7","9","3","2","6","1") = "8"
    & skf18("7","7","9","3","2","7","1") = "8"
    & skf18("7","7","9","3","2","8","1") = "8"
    & skf18("7","7","9","3","2","9","1") = "8"
    & skf18("7","7","9","3","2","10","1") = "9"
    & skf18("7","7","9","3","3","1","1") = "8"
    & skf18("7","7","9","3","3","2","1") = "8"
    & skf18("7","7","9","3","3","3","1") = "8"
    & skf18("7","7","9","3","3","4","1") = "8"
    & skf18("7","7","9","3","3","5","1") = "8"
    & skf18("7","7","9","3","3","6","1") = "8"
    & skf18("7","7","9","3","3","7","1") = "8"
    & skf18("7","7","9","3","3","8","1") = "8"
    & skf18("7","7","9","3","3","9","1") = "8"
    & skf18("7","7","9","3","3","10","1") = "9"
    & skf18("7","7","9","3","4","1","1") = "8"
    & skf18("7","7","9","3","4","2","1") = "8"
    & skf18("7","7","9","3","4","3","1") = "8"
    & skf18("7","7","9","3","4","4","1") = "8"
    & skf18("7","7","9","3","4","5","1") = "8"
    & skf18("7","7","9","3","4","6","1") = "8"
    & skf18("7","7","9","3","4","7","1") = "8"
    & skf18("7","7","9","3","4","8","1") = "8"
    & skf18("7","7","9","3","4","9","1") = "8"
    & skf18("7","7","9","3","4","10","1") = "9"
    & skf18("7","7","9","3","5","1","1") = "8"
    & skf18("7","7","9","3","5","2","1") = "8"
    & skf18("7","7","9","3","5","3","1") = "8"
    & skf18("7","7","9","3","5","4","1") = "8"
    & skf18("7","7","9","3","5","5","1") = "8"
    & skf18("7","7","9","3","5","6","1") = "8"
    & skf18("7","7","9","3","5","7","1") = "8"
    & skf18("7","7","9","3","5","8","1") = "8"
    & skf18("7","7","9","3","5","9","1") = "8"
    & skf18("7","7","9","3","5","10","1") = "9"
    & skf18("7","7","9","3","6","1","1") = "8"
    & skf18("7","7","9","3","6","2","1") = "8"
    & skf18("7","7","9","3","6","3","1") = "8"
    & skf18("7","7","9","3","6","4","1") = "8"
    & skf18("7","7","9","3","6","5","1") = "8"
    & skf18("7","7","9","3","6","6","1") = "8"
    & skf18("7","7","9","3","6","7","1") = "8"
    & skf18("7","7","9","3","6","8","1") = "8"
    & skf18("7","7","9","3","6","9","1") = "8"
    & skf18("7","7","9","3","6","10","1") = "9"
    & skf18("7","7","9","3","7","1","1") = "8"
    & skf18("7","7","9","3","7","2","1") = "8"
    & skf18("7","7","9","3","7","3","1") = "8"
    & skf18("7","7","9","3","7","4","1") = "8"
    & skf18("7","7","9","3","7","5","1") = "8"
    & skf18("7","7","9","3","7","6","1") = "8"
    & skf18("7","7","9","3","7","7","1") = "8"
    & skf18("7","7","9","3","7","8","1") = "8"
    & skf18("7","7","9","3","7","9","1") = "8"
    & skf18("7","7","9","3","7","10","1") = "9"
    & skf18("7","7","9","3","8","1","1") = "8"
    & skf18("7","7","9","3","8","2","1") = "8"
    & skf18("7","7","9","3","8","3","1") = "8"
    & skf18("7","7","9","3","8","4","1") = "8"
    & skf18("7","7","9","3","8","5","1") = "8"
    & skf18("7","7","9","3","8","6","1") = "8"
    & skf18("7","7","9","3","8","7","1") = "8"
    & skf18("7","7","9","3","8","8","1") = "8"
    & skf18("7","7","9","3","8","9","1") = "8"
    & skf18("7","7","9","3","8","10","1") = "9"
    & skf18("7","7","9","3","9","1","1") = "8"
    & skf18("7","7","9","3","9","2","1") = "8"
    & skf18("7","7","9","3","9","3","1") = "8"
    & skf18("7","7","9","3","9","4","1") = "8"
    & skf18("7","7","9","3","9","5","1") = "8"
    & skf18("7","7","9","3","9","6","1") = "8"
    & skf18("7","7","9","3","9","7","1") = "8"
    & skf18("7","7","9","3","9","8","1") = "8"
    & skf18("7","7","9","3","9","9","1") = "8"
    & skf18("7","7","9","3","9","10","1") = "9"
    & skf18("7","7","9","3","10","1","1") = "9"
    & skf18("7","7","9","3","10","2","1") = "9"
    & skf18("7","7","9","3","10","3","1") = "9"
    & skf18("7","7","9","3","10","4","1") = "9"
    & skf18("7","7","9","3","10","5","1") = "9"
    & skf18("7","7","9","3","10","6","1") = "9"
    & skf18("7","7","9","3","10","7","1") = "9"
    & skf18("7","7","9","3","10","8","1") = "9"
    & skf18("7","7","9","3","10","9","1") = "9"
    & skf18("7","7","9","3","10","10","1") = "9"
    & skf18("7","7","9","4","1","1","1") = "8"
    & skf18("7","7","9","4","1","2","1") = "8"
    & skf18("7","7","9","4","1","3","1") = "8"
    & skf18("7","7","9","4","1","4","1") = "8"
    & skf18("7","7","9","4","1","5","1") = "8"
    & skf18("7","7","9","4","1","6","1") = "8"
    & skf18("7","7","9","4","1","7","1") = "8"
    & skf18("7","7","9","4","1","8","1") = "8"
    & skf18("7","7","9","4","1","9","1") = "8"
    & skf18("7","7","9","4","1","10","1") = "9"
    & skf18("7","7","9","4","2","1","1") = "8"
    & skf18("7","7","9","4","2","2","1") = "8"
    & skf18("7","7","9","4","2","3","1") = "8"
    & skf18("7","7","9","4","2","4","1") = "8"
    & skf18("7","7","9","4","2","5","1") = "8"
    & skf18("7","7","9","4","2","6","1") = "8"
    & skf18("7","7","9","4","2","7","1") = "8"
    & skf18("7","7","9","4","2","8","1") = "8"
    & skf18("7","7","9","4","2","9","1") = "8"
    & skf18("7","7","9","4","2","10","1") = "9"
    & skf18("7","7","9","4","3","1","1") = "8"
    & skf18("7","7","9","4","3","2","1") = "8"
    & skf18("7","7","9","4","3","3","1") = "8"
    & skf18("7","7","9","4","3","4","1") = "8"
    & skf18("7","7","9","4","3","5","1") = "8"
    & skf18("7","7","9","4","3","6","1") = "8"
    & skf18("7","7","9","4","3","7","1") = "8"
    & skf18("7","7","9","4","3","8","1") = "8"
    & skf18("7","7","9","4","3","9","1") = "8"
    & skf18("7","7","9","4","3","10","1") = "9"
    & skf18("7","7","9","4","4","1","1") = "8"
    & skf18("7","7","9","4","4","2","1") = "8"
    & skf18("7","7","9","4","4","3","1") = "8"
    & skf18("7","7","9","4","4","4","1") = "8"
    & skf18("7","7","9","4","4","5","1") = "8"
    & skf18("7","7","9","4","4","6","1") = "8"
    & skf18("7","7","9","4","4","7","1") = "8"
    & skf18("7","7","9","4","4","8","1") = "8"
    & skf18("7","7","9","4","4","9","1") = "8"
    & skf18("7","7","9","4","4","10","1") = "9"
    & skf18("7","7","9","4","5","1","1") = "8"
    & skf18("7","7","9","4","5","2","1") = "8"
    & skf18("7","7","9","4","5","3","1") = "8"
    & skf18("7","7","9","4","5","4","1") = "8"
    & skf18("7","7","9","4","5","5","1") = "8"
    & skf18("7","7","9","4","5","6","1") = "8"
    & skf18("7","7","9","4","5","7","1") = "8"
    & skf18("7","7","9","4","5","8","1") = "8"
    & skf18("7","7","9","4","5","9","1") = "8"
    & skf18("7","7","9","4","5","10","1") = "9"
    & skf18("7","7","9","4","6","1","1") = "8"
    & skf18("7","7","9","4","6","2","1") = "8"
    & skf18("7","7","9","4","6","3","1") = "8"
    & skf18("7","7","9","4","6","4","1") = "8"
    & skf18("7","7","9","4","6","5","1") = "8"
    & skf18("7","7","9","4","6","6","1") = "8"
    & skf18("7","7","9","4","6","7","1") = "8"
    & skf18("7","7","9","4","6","8","1") = "8"
    & skf18("7","7","9","4","6","9","1") = "8"
    & skf18("7","7","9","4","6","10","1") = "9"
    & skf18("7","7","9","4","7","1","1") = "8"
    & skf18("7","7","9","4","7","2","1") = "8"
    & skf18("7","7","9","4","7","3","1") = "8"
    & skf18("7","7","9","4","7","4","1") = "8"
    & skf18("7","7","9","4","7","5","1") = "8"
    & skf18("7","7","9","4","7","6","1") = "8"
    & skf18("7","7","9","4","7","7","1") = "8"
    & skf18("7","7","9","4","7","8","1") = "8"
    & skf18("7","7","9","4","7","9","1") = "8"
    & skf18("7","7","9","4","7","10","1") = "9"
    & skf18("7","7","9","4","8","1","1") = "8"
    & skf18("7","7","9","4","8","2","1") = "8"
    & skf18("7","7","9","4","8","3","1") = "8"
    & skf18("7","7","9","4","8","4","1") = "8"
    & skf18("7","7","9","4","8","5","1") = "8"
    & skf18("7","7","9","4","8","6","1") = "8"
    & skf18("7","7","9","4","8","7","1") = "8"
    & skf18("7","7","9","4","8","8","1") = "8"
    & skf18("7","7","9","4","8","9","1") = "8"
    & skf18("7","7","9","4","8","10","1") = "9"
    & skf18("7","7","9","4","9","1","1") = "8"
    & skf18("7","7","9","4","9","2","1") = "8"
    & skf18("7","7","9","4","9","3","1") = "8"
    & skf18("7","7","9","4","9","4","1") = "8"
    & skf18("7","7","9","4","9","5","1") = "8"
    & skf18("7","7","9","4","9","6","1") = "8"
    & skf18("7","7","9","4","9","7","1") = "8"
    & skf18("7","7","9","4","9","8","1") = "8"
    & skf18("7","7","9","4","9","9","1") = "8"
    & skf18("7","7","9","4","9","10","1") = "9"
    & skf18("7","7","9","4","10","1","1") = "9"
    & skf18("7","7","9","4","10","2","1") = "9"
    & skf18("7","7","9","4","10","3","1") = "9"
    & skf18("7","7","9","4","10","4","1") = "9"
    & skf18("7","7","9","4","10","5","1") = "9"
    & skf18("7","7","9","4","10","6","1") = "9"
    & skf18("7","7","9","4","10","7","1") = "9"
    & skf18("7","7","9","4","10","8","1") = "9"
    & skf18("7","7","9","4","10","9","1") = "9"
    & skf18("7","7","9","4","10","10","1") = "9"
    & skf18("7","7","9","5","1","1","1") = "8"
    & skf18("7","7","9","5","1","2","1") = "8"
    & skf18("7","7","9","5","1","3","1") = "8"
    & skf18("7","7","9","5","1","4","1") = "8"
    & skf18("7","7","9","5","1","5","1") = "8"
    & skf18("7","7","9","5","1","6","1") = "8"
    & skf18("7","7","9","5","1","7","1") = "8"
    & skf18("7","7","9","5","1","8","1") = "8"
    & skf18("7","7","9","5","1","9","1") = "8"
    & skf18("7","7","9","5","1","10","1") = "9"
    & skf18("7","7","9","5","2","1","1") = "8"
    & skf18("7","7","9","5","2","2","1") = "8"
    & skf18("7","7","9","5","2","3","1") = "8"
    & skf18("7","7","9","5","2","4","1") = "8"
    & skf18("7","7","9","5","2","5","1") = "8"
    & skf18("7","7","9","5","2","6","1") = "8"
    & skf18("7","7","9","5","2","7","1") = "8"
    & skf18("7","7","9","5","2","8","1") = "8"
    & skf18("7","7","9","5","2","9","1") = "8"
    & skf18("7","7","9","5","2","10","1") = "9"
    & skf18("7","7","9","5","3","1","1") = "8"
    & skf18("7","7","9","5","3","2","1") = "8"
    & skf18("7","7","9","5","3","3","1") = "8"
    & skf18("7","7","9","5","3","4","1") = "8"
    & skf18("7","7","9","5","3","5","1") = "8"
    & skf18("7","7","9","5","3","6","1") = "8"
    & skf18("7","7","9","5","3","7","1") = "8"
    & skf18("7","7","9","5","3","8","1") = "8"
    & skf18("7","7","9","5","3","9","1") = "8"
    & skf18("7","7","9","5","3","10","1") = "9"
    & skf18("7","7","9","5","4","1","1") = "8"
    & skf18("7","7","9","5","4","2","1") = "8"
    & skf18("7","7","9","5","4","3","1") = "8"
    & skf18("7","7","9","5","4","4","1") = "8"
    & skf18("7","7","9","5","4","5","1") = "8"
    & skf18("7","7","9","5","4","6","1") = "8"
    & skf18("7","7","9","5","4","7","1") = "8"
    & skf18("7","7","9","5","4","8","1") = "8"
    & skf18("7","7","9","5","4","9","1") = "8"
    & skf18("7","7","9","5","4","10","1") = "9"
    & skf18("7","7","9","5","5","1","1") = "8"
    & skf18("7","7","9","5","5","2","1") = "8"
    & skf18("7","7","9","5","5","3","1") = "8"
    & skf18("7","7","9","5","5","4","1") = "8"
    & skf18("7","7","9","5","5","5","1") = "8"
    & skf18("7","7","9","5","5","6","1") = "8"
    & skf18("7","7","9","5","5","7","1") = "8"
    & skf18("7","7","9","5","5","8","1") = "8"
    & skf18("7","7","9","5","5","9","1") = "8"
    & skf18("7","7","9","5","5","10","1") = "9"
    & skf18("7","7","9","5","6","1","1") = "8"
    & skf18("7","7","9","5","6","2","1") = "8"
    & skf18("7","7","9","5","6","3","1") = "8"
    & skf18("7","7","9","5","6","4","1") = "8"
    & skf18("7","7","9","5","6","5","1") = "8"
    & skf18("7","7","9","5","6","6","1") = "8"
    & skf18("7","7","9","5","6","7","1") = "8"
    & skf18("7","7","9","5","6","8","1") = "8"
    & skf18("7","7","9","5","6","9","1") = "8"
    & skf18("7","7","9","5","6","10","1") = "9"
    & skf18("7","7","9","5","7","1","1") = "8"
    & skf18("7","7","9","5","7","2","1") = "8"
    & skf18("7","7","9","5","7","3","1") = "8"
    & skf18("7","7","9","5","7","4","1") = "8"
    & skf18("7","7","9","5","7","5","1") = "8"
    & skf18("7","7","9","5","7","6","1") = "8"
    & skf18("7","7","9","5","7","7","1") = "8"
    & skf18("7","7","9","5","7","8","1") = "8"
    & skf18("7","7","9","5","7","9","1") = "8"
    & skf18("7","7","9","5","7","10","1") = "9"
    & skf18("7","7","9","5","8","1","1") = "8"
    & skf18("7","7","9","5","8","2","1") = "8"
    & skf18("7","7","9","5","8","3","1") = "8"
    & skf18("7","7","9","5","8","4","1") = "8"
    & skf18("7","7","9","5","8","5","1") = "8"
    & skf18("7","7","9","5","8","6","1") = "8"
    & skf18("7","7","9","5","8","7","1") = "8"
    & skf18("7","7","9","5","8","8","1") = "8"
    & skf18("7","7","9","5","8","9","1") = "8"
    & skf18("7","7","9","5","8","10","1") = "9"
    & skf18("7","7","9","5","9","1","1") = "8"
    & skf18("7","7","9","5","9","2","1") = "8"
    & skf18("7","7","9","5","9","3","1") = "8"
    & skf18("7","7","9","5","9","4","1") = "8"
    & skf18("7","7","9","5","9","5","1") = "8"
    & skf18("7","7","9","5","9","6","1") = "8"
    & skf18("7","7","9","5","9","7","1") = "8"
    & skf18("7","7","9","5","9","8","1") = "8"
    & skf18("7","7","9","5","9","9","1") = "8"
    & skf18("7","7","9","5","9","10","1") = "9"
    & skf18("7","7","9","5","10","1","1") = "9"
    & skf18("7","7","9","5","10","2","1") = "9"
    & skf18("7","7","9","5","10","3","1") = "9"
    & skf18("7","7","9","5","10","4","1") = "9"
    & skf18("7","7","9","5","10","5","1") = "9"
    & skf18("7","7","9","5","10","6","1") = "9"
    & skf18("7","7","9","5","10","7","1") = "9"
    & skf18("7","7","9","5","10","8","1") = "9"
    & skf18("7","7","9","5","10","9","1") = "9"
    & skf18("7","7","9","5","10","10","1") = "9"
    & skf18("7","7","9","6","1","1","1") = "8"
    & skf18("7","7","9","6","1","2","1") = "8"
    & skf18("7","7","9","6","1","3","1") = "8"
    & skf18("7","7","9","6","1","4","1") = "8"
    & skf18("7","7","9","6","1","5","1") = "8"
    & skf18("7","7","9","6","1","6","1") = "8"
    & skf18("7","7","9","6","1","7","1") = "8"
    & skf18("7","7","9","6","1","8","1") = "8"
    & skf18("7","7","9","6","1","9","1") = "8"
    & skf18("7","7","9","6","1","10","1") = "9"
    & skf18("7","7","9","6","2","1","1") = "8"
    & skf18("7","7","9","6","2","2","1") = "8"
    & skf18("7","7","9","6","2","3","1") = "8"
    & skf18("7","7","9","6","2","4","1") = "8"
    & skf18("7","7","9","6","2","5","1") = "8"
    & skf18("7","7","9","6","2","6","1") = "8"
    & skf18("7","7","9","6","2","7","1") = "8"
    & skf18("7","7","9","6","2","8","1") = "8"
    & skf18("7","7","9","6","2","9","1") = "8"
    & skf18("7","7","9","6","2","10","1") = "9"
    & skf18("7","7","9","6","3","1","1") = "8"
    & skf18("7","7","9","6","3","2","1") = "8"
    & skf18("7","7","9","6","3","3","1") = "8"
    & skf18("7","7","9","6","3","4","1") = "8"
    & skf18("7","7","9","6","3","5","1") = "8"
    & skf18("7","7","9","6","3","6","1") = "8"
    & skf18("7","7","9","6","3","7","1") = "8"
    & skf18("7","7","9","6","3","8","1") = "8"
    & skf18("7","7","9","6","3","9","1") = "8"
    & skf18("7","7","9","6","3","10","1") = "9"
    & skf18("7","7","9","6","4","1","1") = "8"
    & skf18("7","7","9","6","4","2","1") = "8"
    & skf18("7","7","9","6","4","3","1") = "8"
    & skf18("7","7","9","6","4","4","1") = "8"
    & skf18("7","7","9","6","4","5","1") = "8"
    & skf18("7","7","9","6","4","6","1") = "8"
    & skf18("7","7","9","6","4","7","1") = "8"
    & skf18("7","7","9","6","4","8","1") = "8"
    & skf18("7","7","9","6","4","9","1") = "8"
    & skf18("7","7","9","6","4","10","1") = "9"
    & skf18("7","7","9","6","5","1","1") = "8"
    & skf18("7","7","9","6","5","2","1") = "8"
    & skf18("7","7","9","6","5","3","1") = "8"
    & skf18("7","7","9","6","5","4","1") = "8"
    & skf18("7","7","9","6","5","5","1") = "8"
    & skf18("7","7","9","6","5","6","1") = "8"
    & skf18("7","7","9","6","5","7","1") = "8"
    & skf18("7","7","9","6","5","8","1") = "8"
    & skf18("7","7","9","6","5","9","1") = "8"
    & skf18("7","7","9","6","5","10","1") = "9"
    & skf18("7","7","9","6","6","1","1") = "8"
    & skf18("7","7","9","6","6","2","1") = "8"
    & skf18("7","7","9","6","6","3","1") = "8"
    & skf18("7","7","9","6","6","4","1") = "8"
    & skf18("7","7","9","6","6","5","1") = "8"
    & skf18("7","7","9","6","6","6","1") = "8"
    & skf18("7","7","9","6","6","7","1") = "8"
    & skf18("7","7","9","6","6","8","1") = "8"
    & skf18("7","7","9","6","6","9","1") = "8"
    & skf18("7","7","9","6","6","10","1") = "9"
    & skf18("7","7","9","6","7","1","1") = "8"
    & skf18("7","7","9","6","7","2","1") = "8"
    & skf18("7","7","9","6","7","3","1") = "8"
    & skf18("7","7","9","6","7","4","1") = "8"
    & skf18("7","7","9","6","7","5","1") = "8"
    & skf18("7","7","9","6","7","6","1") = "8"
    & skf18("7","7","9","6","7","7","1") = "8"
    & skf18("7","7","9","6","7","8","1") = "8"
    & skf18("7","7","9","6","7","9","1") = "8"
    & skf18("7","7","9","6","7","10","1") = "9"
    & skf18("7","7","9","6","8","1","1") = "8"
    & skf18("7","7","9","6","8","2","1") = "8"
    & skf18("7","7","9","6","8","3","1") = "8"
    & skf18("7","7","9","6","8","4","1") = "8"
    & skf18("7","7","9","6","8","5","1") = "8"
    & skf18("7","7","9","6","8","6","1") = "8"
    & skf18("7","7","9","6","8","7","1") = "8"
    & skf18("7","7","9","6","8","8","1") = "8"
    & skf18("7","7","9","6","8","9","1") = "8"
    & skf18("7","7","9","6","8","10","1") = "9"
    & skf18("7","7","9","6","9","1","1") = "8"
    & skf18("7","7","9","6","9","2","1") = "8"
    & skf18("7","7","9","6","9","3","1") = "8"
    & skf18("7","7","9","6","9","4","1") = "8"
    & skf18("7","7","9","6","9","5","1") = "8"
    & skf18("7","7","9","6","9","6","1") = "8"
    & skf18("7","7","9","6","9","7","1") = "8"
    & skf18("7","7","9","6","9","8","1") = "8"
    & skf18("7","7","9","6","9","9","1") = "8"
    & skf18("7","7","9","6","9","10","1") = "9"
    & skf18("7","7","9","6","10","1","1") = "9"
    & skf18("7","7","9","6","10","2","1") = "9"
    & skf18("7","7","9","6","10","3","1") = "9"
    & skf18("7","7","9","6","10","4","1") = "9"
    & skf18("7","7","9","6","10","5","1") = "9"
    & skf18("7","7","9","6","10","6","1") = "9"
    & skf18("7","7","9","6","10","7","1") = "9"
    & skf18("7","7","9","6","10","8","1") = "9"
    & skf18("7","7","9","6","10","9","1") = "9"
    & skf18("7","7","9","6","10","10","1") = "9"
    & skf18("7","7","9","7","1","1","1") = "8"
    & skf18("7","7","9","7","1","2","1") = "8"
    & skf18("7","7","9","7","1","3","1") = "8"
    & skf18("7","7","9","7","1","4","1") = "8"
    & skf18("7","7","9","7","1","5","1") = "8"
    & skf18("7","7","9","7","1","6","1") = "8"
    & skf18("7","7","9","7","1","7","1") = "8"
    & skf18("7","7","9","7","1","8","1") = "8"
    & skf18("7","7","9","7","1","9","1") = "8"
    & skf18("7","7","9","7","1","10","1") = "9"
    & skf18("7","7","9","7","2","1","1") = "8"
    & skf18("7","7","9","7","2","2","1") = "8"
    & skf18("7","7","9","7","2","3","1") = "8"
    & skf18("7","7","9","7","2","4","1") = "8"
    & skf18("7","7","9","7","2","5","1") = "8"
    & skf18("7","7","9","7","2","6","1") = "8"
    & skf18("7","7","9","7","2","7","1") = "8"
    & skf18("7","7","9","7","2","8","1") = "8"
    & skf18("7","7","9","7","2","9","1") = "8"
    & skf18("7","7","9","7","2","10","1") = "9"
    & skf18("7","7","9","7","3","1","1") = "8"
    & skf18("7","7","9","7","3","2","1") = "8"
    & skf18("7","7","9","7","3","3","1") = "8"
    & skf18("7","7","9","7","3","4","1") = "8"
    & skf18("7","7","9","7","3","5","1") = "8"
    & skf18("7","7","9","7","3","6","1") = "8"
    & skf18("7","7","9","7","3","7","1") = "8"
    & skf18("7","7","9","7","3","8","1") = "8"
    & skf18("7","7","9","7","3","9","1") = "8"
    & skf18("7","7","9","7","3","10","1") = "9"
    & skf18("7","7","9","7","4","1","1") = "8"
    & skf18("7","7","9","7","4","2","1") = "8"
    & skf18("7","7","9","7","4","3","1") = "8"
    & skf18("7","7","9","7","4","4","1") = "8"
    & skf18("7","7","9","7","4","5","1") = "8"
    & skf18("7","7","9","7","4","6","1") = "8"
    & skf18("7","7","9","7","4","7","1") = "8"
    & skf18("7","7","9","7","4","8","1") = "8"
    & skf18("7","7","9","7","4","9","1") = "8"
    & skf18("7","7","9","7","4","10","1") = "9"
    & skf18("7","7","9","7","5","1","1") = "8"
    & skf18("7","7","9","7","5","2","1") = "8"
    & skf18("7","7","9","7","5","3","1") = "8"
    & skf18("7","7","9","7","5","4","1") = "8"
    & skf18("7","7","9","7","5","5","1") = "8"
    & skf18("7","7","9","7","5","6","1") = "8"
    & skf18("7","7","9","7","5","7","1") = "8"
    & skf18("7","7","9","7","5","8","1") = "8"
    & skf18("7","7","9","7","5","9","1") = "8"
    & skf18("7","7","9","7","5","10","1") = "9"
    & skf18("7","7","9","7","6","1","1") = "8"
    & skf18("7","7","9","7","6","2","1") = "8"
    & skf18("7","7","9","7","6","3","1") = "8"
    & skf18("7","7","9","7","6","4","1") = "8"
    & skf18("7","7","9","7","6","5","1") = "8"
    & skf18("7","7","9","7","6","6","1") = "8"
    & skf18("7","7","9","7","6","7","1") = "8"
    & skf18("7","7","9","7","6","8","1") = "8"
    & skf18("7","7","9","7","6","9","1") = "8"
    & skf18("7","7","9","7","6","10","1") = "9"
    & skf18("7","7","9","7","7","1","1") = "8"
    & skf18("7","7","9","7","7","2","1") = "8"
    & skf18("7","7","9","7","7","3","1") = "8"
    & skf18("7","7","9","7","7","4","1") = "8"
    & skf18("7","7","9","7","7","5","1") = "8"
    & skf18("7","7","9","7","7","6","1") = "8"
    & skf18("7","7","9","7","7","7","1") = "8"
    & skf18("7","7","9","7","7","8","1") = "8"
    & skf18("7","7","9","7","7","9","1") = "8"
    & skf18("7","7","9","7","7","10","1") = "9"
    & skf18("7","7","9","7","8","1","1") = "8"
    & skf18("7","7","9","7","8","2","1") = "8"
    & skf18("7","7","9","7","8","3","1") = "8"
    & skf18("7","7","9","7","8","4","1") = "8"
    & skf18("7","7","9","7","8","5","1") = "8"
    & skf18("7","7","9","7","8","6","1") = "8"
    & skf18("7","7","9","7","8","7","1") = "8"
    & skf18("7","7","9","7","8","8","1") = "8"
    & skf18("7","7","9","7","8","9","1") = "8"
    & skf18("7","7","9","7","8","10","1") = "9"
    & skf18("7","7","9","7","9","1","1") = "8"
    & skf18("7","7","9","7","9","2","1") = "8"
    & skf18("7","7","9","7","9","3","1") = "8"
    & skf18("7","7","9","7","9","4","1") = "8"
    & skf18("7","7","9","7","9","5","1") = "8"
    & skf18("7","7","9","7","9","6","1") = "8"
    & skf18("7","7","9","7","9","7","1") = "8"
    & skf18("7","7","9","7","9","8","1") = "8"
    & skf18("7","7","9","7","9","9","1") = "8"
    & skf18("7","7","9","7","9","10","1") = "9"
    & skf18("7","7","9","7","10","1","1") = "9"
    & skf18("7","7","9","7","10","2","1") = "9"
    & skf18("7","7","9","7","10","3","1") = "9"
    & skf18("7","7","9","7","10","4","1") = "9"
    & skf18("7","7","9","7","10","5","1") = "9"
    & skf18("7","7","9","7","10","6","1") = "9"
    & skf18("7","7","9","7","10","7","1") = "9"
    & skf18("7","7","9","7","10","8","1") = "9"
    & skf18("7","7","9","7","10","9","1") = "9"
    & skf18("7","7","9","7","10","10","1") = "9"
    & skf18("7","7","9","8","1","1","1") = "8"
    & skf18("7","7","9","8","1","2","1") = "8"
    & skf18("7","7","9","8","1","3","1") = "8"
    & skf18("7","7","9","8","1","4","1") = "8"
    & skf18("7","7","9","8","1","5","1") = "8"
    & skf18("7","7","9","8","1","6","1") = "8"
    & skf18("7","7","9","8","1","7","1") = "8"
    & skf18("7","7","9","8","1","8","1") = "8"
    & skf18("7","7","9","8","1","9","1") = "8"
    & skf18("7","7","9","8","1","10","1") = "9"
    & skf18("7","7","9","8","2","1","1") = "8"
    & skf18("7","7","9","8","2","2","1") = "8"
    & skf18("7","7","9","8","2","3","1") = "8"
    & skf18("7","7","9","8","2","4","1") = "8"
    & skf18("7","7","9","8","2","5","1") = "8"
    & skf18("7","7","9","8","2","6","1") = "8"
    & skf18("7","7","9","8","2","7","1") = "8"
    & skf18("7","7","9","8","2","8","1") = "8"
    & skf18("7","7","9","8","2","9","1") = "8"
    & skf18("7","7","9","8","2","10","1") = "9"
    & skf18("7","7","9","8","3","1","1") = "8"
    & skf18("7","7","9","8","3","2","1") = "8"
    & skf18("7","7","9","8","3","3","1") = "8"
    & skf18("7","7","9","8","3","4","1") = "8"
    & skf18("7","7","9","8","3","5","1") = "8"
    & skf18("7","7","9","8","3","6","1") = "8"
    & skf18("7","7","9","8","3","7","1") = "8"
    & skf18("7","7","9","8","3","8","1") = "8"
    & skf18("7","7","9","8","3","9","1") = "8"
    & skf18("7","7","9","8","3","10","1") = "9"
    & skf18("7","7","9","8","4","1","1") = "8"
    & skf18("7","7","9","8","4","2","1") = "8"
    & skf18("7","7","9","8","4","3","1") = "8"
    & skf18("7","7","9","8","4","4","1") = "8"
    & skf18("7","7","9","8","4","5","1") = "8"
    & skf18("7","7","9","8","4","6","1") = "8"
    & skf18("7","7","9","8","4","7","1") = "8"
    & skf18("7","7","9","8","4","8","1") = "8"
    & skf18("7","7","9","8","4","9","1") = "8"
    & skf18("7","7","9","8","4","10","1") = "9"
    & skf18("7","7","9","8","5","1","1") = "8"
    & skf18("7","7","9","8","5","2","1") = "8"
    & skf18("7","7","9","8","5","3","1") = "8"
    & skf18("7","7","9","8","5","4","1") = "8"
    & skf18("7","7","9","8","5","5","1") = "8"
    & skf18("7","7","9","8","5","6","1") = "8"
    & skf18("7","7","9","8","5","7","1") = "8"
    & skf18("7","7","9","8","5","8","1") = "8"
    & skf18("7","7","9","8","5","9","1") = "8"
    & skf18("7","7","9","8","5","10","1") = "9"
    & skf18("7","7","9","8","6","1","1") = "8"
    & skf18("7","7","9","8","6","2","1") = "8"
    & skf18("7","7","9","8","6","3","1") = "8"
    & skf18("7","7","9","8","6","4","1") = "8"
    & skf18("7","7","9","8","6","5","1") = "8"
    & skf18("7","7","9","8","6","6","1") = "8"
    & skf18("7","7","9","8","6","7","1") = "8"
    & skf18("7","7","9","8","6","8","1") = "8"
    & skf18("7","7","9","8","6","9","1") = "8"
    & skf18("7","7","9","8","6","10","1") = "9"
    & skf18("7","7","9","8","7","1","1") = "8"
    & skf18("7","7","9","8","7","2","1") = "8"
    & skf18("7","7","9","8","7","3","1") = "8"
    & skf18("7","7","9","8","7","4","1") = "8"
    & skf18("7","7","9","8","7","5","1") = "8"
    & skf18("7","7","9","8","7","6","1") = "8"
    & skf18("7","7","9","8","7","7","1") = "8"
    & skf18("7","7","9","8","7","8","1") = "8"
    & skf18("7","7","9","8","7","9","1") = "8"
    & skf18("7","7","9","8","7","10","1") = "9"
    & skf18("7","7","9","8","8","1","1") = "8"
    & skf18("7","7","9","8","8","2","1") = "8"
    & skf18("7","7","9","8","8","3","1") = "8"
    & skf18("7","7","9","8","8","4","1") = "8"
    & skf18("7","7","9","8","8","5","1") = "8"
    & skf18("7","7","9","8","8","6","1") = "8"
    & skf18("7","7","9","8","8","7","1") = "8"
    & skf18("7","7","9","8","8","8","1") = "8"
    & skf18("7","7","9","8","8","9","1") = "8"
    & skf18("7","7","9","8","8","10","1") = "9"
    & skf18("7","7","9","8","9","1","1") = "8"
    & skf18("7","7","9","8","9","2","1") = "8"
    & skf18("7","7","9","8","9","3","1") = "8"
    & skf18("7","7","9","8","9","4","1") = "8"
    & skf18("7","7","9","8","9","5","1") = "8"
    & skf18("7","7","9","8","9","6","1") = "8"
    & skf18("7","7","9","8","9","7","1") = "8"
    & skf18("7","7","9","8","9","8","1") = "8"
    & skf18("7","7","9","8","9","9","1") = "8"
    & skf18("7","7","9","8","9","10","1") = "9"
    & skf18("7","7","9","8","10","1","1") = "9"
    & skf18("7","7","9","8","10","2","1") = "9"
    & skf18("7","7","9","8","10","3","1") = "9"
    & skf18("7","7","9","8","10","4","1") = "9"
    & skf18("7","7","9","8","10","5","1") = "9"
    & skf18("7","7","9","8","10","6","1") = "9"
    & skf18("7","7","9","8","10","7","1") = "9"
    & skf18("7","7","9","8","10","8","1") = "9"
    & skf18("7","7","9","8","10","9","1") = "9"
    & skf18("7","7","9","8","10","10","1") = "9"
    & skf18("7","7","9","9","1","1","1") = "8"
    & skf18("7","7","9","9","1","2","1") = "8"
    & skf18("7","7","9","9","1","3","1") = "8"
    & skf18("7","7","9","9","1","4","1") = "8"
    & skf18("7","7","9","9","1","5","1") = "8"
    & skf18("7","7","9","9","1","6","1") = "8"
    & skf18("7","7","9","9","1","7","1") = "8"
    & skf18("7","7","9","9","1","8","1") = "8"
    & skf18("7","7","9","9","1","9","1") = "8"
    & skf18("7","7","9","9","1","10","1") = "9"
    & skf18("7","7","9","9","2","1","1") = "8"
    & skf18("7","7","9","9","2","2","1") = "8"
    & skf18("7","7","9","9","2","3","1") = "8"
    & skf18("7","7","9","9","2","4","1") = "8"
    & skf18("7","7","9","9","2","5","1") = "8"
    & skf18("7","7","9","9","2","6","1") = "8"
    & skf18("7","7","9","9","2","7","1") = "8"
    & skf18("7","7","9","9","2","8","1") = "8"
    & skf18("7","7","9","9","2","9","1") = "8"
    & skf18("7","7","9","9","2","10","1") = "9"
    & skf18("7","7","9","9","3","1","1") = "8"
    & skf18("7","7","9","9","3","2","1") = "8"
    & skf18("7","7","9","9","3","3","1") = "8"
    & skf18("7","7","9","9","3","4","1") = "8"
    & skf18("7","7","9","9","3","5","1") = "8"
    & skf18("7","7","9","9","3","6","1") = "8"
    & skf18("7","7","9","9","3","7","1") = "8"
    & skf18("7","7","9","9","3","8","1") = "8"
    & skf18("7","7","9","9","3","9","1") = "8"
    & skf18("7","7","9","9","3","10","1") = "9"
    & skf18("7","7","9","9","4","1","1") = "8"
    & skf18("7","7","9","9","4","2","1") = "8"
    & skf18("7","7","9","9","4","3","1") = "8"
    & skf18("7","7","9","9","4","4","1") = "8"
    & skf18("7","7","9","9","4","5","1") = "8"
    & skf18("7","7","9","9","4","6","1") = "8"
    & skf18("7","7","9","9","4","7","1") = "8"
    & skf18("7","7","9","9","4","8","1") = "8"
    & skf18("7","7","9","9","4","9","1") = "8"
    & skf18("7","7","9","9","4","10","1") = "9"
    & skf18("7","7","9","9","5","1","1") = "8"
    & skf18("7","7","9","9","5","2","1") = "8"
    & skf18("7","7","9","9","5","3","1") = "8"
    & skf18("7","7","9","9","5","4","1") = "8"
    & skf18("7","7","9","9","5","5","1") = "8"
    & skf18("7","7","9","9","5","6","1") = "8"
    & skf18("7","7","9","9","5","7","1") = "8"
    & skf18("7","7","9","9","5","8","1") = "8"
    & skf18("7","7","9","9","5","9","1") = "8"
    & skf18("7","7","9","9","5","10","1") = "9"
    & skf18("7","7","9","9","6","1","1") = "8"
    & skf18("7","7","9","9","6","2","1") = "8"
    & skf18("7","7","9","9","6","3","1") = "8"
    & skf18("7","7","9","9","6","4","1") = "8"
    & skf18("7","7","9","9","6","5","1") = "8"
    & skf18("7","7","9","9","6","6","1") = "8"
    & skf18("7","7","9","9","6","7","1") = "8"
    & skf18("7","7","9","9","6","8","1") = "8"
    & skf18("7","7","9","9","6","9","1") = "8"
    & skf18("7","7","9","9","6","10","1") = "9"
    & skf18("7","7","9","9","7","1","1") = "8"
    & skf18("7","7","9","9","7","2","1") = "8"
    & skf18("7","7","9","9","7","3","1") = "8"
    & skf18("7","7","9","9","7","4","1") = "8"
    & skf18("7","7","9","9","7","5","1") = "8"
    & skf18("7","7","9","9","7","6","1") = "8"
    & skf18("7","7","9","9","7","7","1") = "8"
    & skf18("7","7","9","9","7","8","1") = "8"
    & skf18("7","7","9","9","7","9","1") = "8"
    & skf18("7","7","9","9","7","10","1") = "9"
    & skf18("7","7","9","9","8","1","1") = "8"
    & skf18("7","7","9","9","8","2","1") = "8"
    & skf18("7","7","9","9","8","3","1") = "8"
    & skf18("7","7","9","9","8","4","1") = "8"
    & skf18("7","7","9","9","8","5","1") = "8"
    & skf18("7","7","9","9","8","6","1") = "8"
    & skf18("7","7","9","9","8","7","1") = "8"
    & skf18("7","7","9","9","8","8","1") = "8"
    & skf18("7","7","9","9","8","9","1") = "8"
    & skf18("7","7","9","9","8","10","1") = "9"
    & skf18("7","7","9","9","9","1","1") = "8"
    & skf18("7","7","9","9","9","2","1") = "8"
    & skf18("7","7","9","9","9","3","1") = "8"
    & skf18("7","7","9","9","9","4","1") = "8"
    & skf18("7","7","9","9","9","5","1") = "8"
    & skf18("7","7","9","9","9","6","1") = "8"
    & skf18("7","7","9","9","9","7","1") = "8"
    & skf18("7","7","9","9","9","8","1") = "8"
    & skf18("7","7","9","9","9","9","1") = "8"
    & skf18("7","7","9","9","9","10","1") = "9"
    & skf18("7","7","9","9","10","1","1") = "9"
    & skf18("7","7","9","9","10","2","1") = "9"
    & skf18("7","7","9","9","10","3","1") = "9"
    & skf18("7","7","9","9","10","4","1") = "9"
    & skf18("7","7","9","9","10","5","1") = "9"
    & skf18("7","7","9","9","10","6","1") = "9"
    & skf18("7","7","9","9","10","7","1") = "9"
    & skf18("7","7","9","9","10","8","1") = "9"
    & skf18("7","7","9","9","10","9","1") = "9"
    & skf18("7","7","9","9","10","10","1") = "9"
    & skf18("7","7","9","10","1","1","1") = "9"
    & skf18("7","7","9","10","1","2","1") = "9"
    & skf18("7","7","9","10","1","3","1") = "9"
    & skf18("7","7","9","10","1","4","1") = "9"
    & skf18("7","7","9","10","1","5","1") = "9"
    & skf18("7","7","9","10","1","6","1") = "9"
    & skf18("7","7","9","10","1","7","1") = "9"
    & skf18("7","7","9","10","1","8","1") = "9"
    & skf18("7","7","9","10","1","9","1") = "9"
    & skf18("7","7","9","10","1","10","1") = "9"
    & skf18("7","7","9","10","2","1","1") = "9"
    & skf18("7","7","9","10","2","2","1") = "9"
    & skf18("7","7","9","10","2","3","1") = "9"
    & skf18("7","7","9","10","2","4","1") = "9"
    & skf18("7","7","9","10","2","5","1") = "9"
    & skf18("7","7","9","10","2","6","1") = "9"
    & skf18("7","7","9","10","2","7","1") = "9"
    & skf18("7","7","9","10","2","8","1") = "9"
    & skf18("7","7","9","10","2","9","1") = "9"
    & skf18("7","7","9","10","2","10","1") = "9"
    & skf18("7","7","9","10","3","1","1") = "9"
    & skf18("7","7","9","10","3","2","1") = "9"
    & skf18("7","7","9","10","3","3","1") = "9"
    & skf18("7","7","9","10","3","4","1") = "9"
    & skf18("7","7","9","10","3","5","1") = "9"
    & skf18("7","7","9","10","3","6","1") = "9"
    & skf18("7","7","9","10","3","7","1") = "9"
    & skf18("7","7","9","10","3","8","1") = "9"
    & skf18("7","7","9","10","3","9","1") = "9"
    & skf18("7","7","9","10","3","10","1") = "9"
    & skf18("7","7","9","10","4","1","1") = "9"
    & skf18("7","7","9","10","4","2","1") = "9"
    & skf18("7","7","9","10","4","3","1") = "9"
    & skf18("7","7","9","10","4","4","1") = "9"
    & skf18("7","7","9","10","4","5","1") = "9"
    & skf18("7","7","9","10","4","6","1") = "9"
    & skf18("7","7","9","10","4","7","1") = "9"
    & skf18("7","7","9","10","4","8","1") = "9"
    & skf18("7","7","9","10","4","9","1") = "9"
    & skf18("7","7","9","10","4","10","1") = "9"
    & skf18("7","7","9","10","5","1","1") = "9"
    & skf18("7","7","9","10","5","2","1") = "9"
    & skf18("7","7","9","10","5","3","1") = "9"
    & skf18("7","7","9","10","5","4","1") = "9"
    & skf18("7","7","9","10","5","5","1") = "9"
    & skf18("7","7","9","10","5","6","1") = "9"
    & skf18("7","7","9","10","5","7","1") = "9"
    & skf18("7","7","9","10","5","8","1") = "9"
    & skf18("7","7","9","10","5","9","1") = "9"
    & skf18("7","7","9","10","5","10","1") = "9"
    & skf18("7","7","9","10","6","1","1") = "9"
    & skf18("7","7","9","10","6","2","1") = "9"
    & skf18("7","7","9","10","6","3","1") = "9"
    & skf18("7","7","9","10","6","4","1") = "9"
    & skf18("7","7","9","10","6","5","1") = "9"
    & skf18("7","7","9","10","6","6","1") = "9"
    & skf18("7","7","9","10","6","7","1") = "9"
    & skf18("7","7","9","10","6","8","1") = "9"
    & skf18("7","7","9","10","6","9","1") = "9"
    & skf18("7","7","9","10","6","10","1") = "9"
    & skf18("7","7","9","10","7","1","1") = "9"
    & skf18("7","7","9","10","7","2","1") = "9"
    & skf18("7","7","9","10","7","3","1") = "9"
    & skf18("7","7","9","10","7","4","1") = "9"
    & skf18("7","7","9","10","7","5","1") = "9"
    & skf18("7","7","9","10","7","6","1") = "9"
    & skf18("7","7","9","10","7","7","1") = "9"
    & skf18("7","7","9","10","7","8","1") = "9"
    & skf18("7","7","9","10","7","9","1") = "9"
    & skf18("7","7","9","10","7","10","1") = "9"
    & skf18("7","7","9","10","8","1","1") = "9"
    & skf18("7","7","9","10","8","2","1") = "9"
    & skf18("7","7","9","10","8","3","1") = "9"
    & skf18("7","7","9","10","8","4","1") = "9"
    & skf18("7","7","9","10","8","5","1") = "9"
    & skf18("7","7","9","10","8","6","1") = "9"
    & skf18("7","7","9","10","8","7","1") = "9"
    & skf18("7","7","9","10","8","8","1") = "9"
    & skf18("7","7","9","10","8","9","1") = "9"
    & skf18("7","7","9","10","8","10","1") = "9"
    & skf18("7","7","9","10","9","1","1") = "9"
    & skf18("7","7","9","10","9","2","1") = "9"
    & skf18("7","7","9","10","9","3","1") = "9"
    & skf18("7","7","9","10","9","4","1") = "9"
    & skf18("7","7","9","10","9","5","1") = "9"
    & skf18("7","7","9","10","9","6","1") = "9"
    & skf18("7","7","9","10","9","7","1") = "9"
    & skf18("7","7","9","10","9","8","1") = "9"
    & skf18("7","7","9","10","9","9","1") = "9"
    & skf18("7","7","9","10","9","10","1") = "9"
    & skf18("7","7","9","10","10","1","1") = "9"
    & skf18("7","7","9","10","10","2","1") = "9"
    & skf18("7","7","9","10","10","3","1") = "9"
    & skf18("7","7","9","10","10","4","1") = "9"
    & skf18("7","7","9","10","10","5","1") = "9"
    & skf18("7","7","9","10","10","6","1") = "9"
    & skf18("7","7","9","10","10","7","1") = "9"
    & skf18("7","7","9","10","10","8","1") = "9"
    & skf18("7","7","9","10","10","9","1") = "9"
    & skf18("7","7","9","10","10","10","1") = "9"
    & skf18("7","7","10","1","1","1","1") = "9"
    & skf18("7","7","10","1","1","2","1") = "9"
    & skf18("7","7","10","1","1","3","1") = "9"
    & skf18("7","7","10","1","1","4","1") = "9"
    & skf18("7","7","10","1","1","5","1") = "9"
    & skf18("7","7","10","1","1","6","1") = "9"
    & skf18("7","7","10","1","1","7","1") = "9"
    & skf18("7","7","10","1","1","8","1") = "9"
    & skf18("7","7","10","1","1","9","1") = "9"
    & skf18("7","7","10","1","1","10","1") = "9"
    & skf18("7","7","10","1","2","1","1") = "9"
    & skf18("7","7","10","1","2","2","1") = "9"
    & skf18("7","7","10","1","2","3","1") = "9"
    & skf18("7","7","10","1","2","4","1") = "9"
    & skf18("7","7","10","1","2","5","1") = "9"
    & skf18("7","7","10","1","2","6","1") = "9"
    & skf18("7","7","10","1","2","7","1") = "9"
    & skf18("7","7","10","1","2","8","1") = "9"
    & skf18("7","7","10","1","2","9","1") = "9"
    & skf18("7","7","10","1","2","10","1") = "9"
    & skf18("7","7","10","1","3","1","1") = "9"
    & skf18("7","7","10","1","3","2","1") = "9"
    & skf18("7","7","10","1","3","3","1") = "9"
    & skf18("7","7","10","1","3","4","1") = "9"
    & skf18("7","7","10","1","3","5","1") = "9"
    & skf18("7","7","10","1","3","6","1") = "9"
    & skf18("7","7","10","1","3","7","1") = "9"
    & skf18("7","7","10","1","3","8","1") = "9"
    & skf18("7","7","10","1","3","9","1") = "9"
    & skf18("7","7","10","1","3","10","1") = "9"
    & skf18("7","7","10","1","4","1","1") = "9"
    & skf18("7","7","10","1","4","2","1") = "9"
    & skf18("7","7","10","1","4","3","1") = "9"
    & skf18("7","7","10","1","4","4","1") = "9"
    & skf18("7","7","10","1","4","5","1") = "9"
    & skf18("7","7","10","1","4","6","1") = "9"
    & skf18("7","7","10","1","4","7","1") = "9"
    & skf18("7","7","10","1","4","8","1") = "9"
    & skf18("7","7","10","1","4","9","1") = "9"
    & skf18("7","7","10","1","4","10","1") = "9"
    & skf18("7","7","10","1","5","1","1") = "9"
    & skf18("7","7","10","1","5","2","1") = "9"
    & skf18("7","7","10","1","5","3","1") = "9"
    & skf18("7","7","10","1","5","4","1") = "9"
    & skf18("7","7","10","1","5","5","1") = "9"
    & skf18("7","7","10","1","5","6","1") = "9"
    & skf18("7","7","10","1","5","7","1") = "9"
    & skf18("7","7","10","1","5","8","1") = "9"
    & skf18("7","7","10","1","5","9","1") = "9"
    & skf18("7","7","10","1","5","10","1") = "9"
    & skf18("7","7","10","1","6","1","1") = "9"
    & skf18("7","7","10","1","6","2","1") = "9"
    & skf18("7","7","10","1","6","3","1") = "9"
    & skf18("7","7","10","1","6","4","1") = "9"
    & skf18("7","7","10","1","6","5","1") = "9"
    & skf18("7","7","10","1","6","6","1") = "9"
    & skf18("7","7","10","1","6","7","1") = "9"
    & skf18("7","7","10","1","6","8","1") = "9"
    & skf18("7","7","10","1","6","9","1") = "9"
    & skf18("7","7","10","1","6","10","1") = "9"
    & skf18("7","7","10","1","7","1","1") = "9"
    & skf18("7","7","10","1","7","2","1") = "9"
    & skf18("7","7","10","1","7","3","1") = "9"
    & skf18("7","7","10","1","7","4","1") = "9"
    & skf18("7","7","10","1","7","5","1") = "9"
    & skf18("7","7","10","1","7","6","1") = "9"
    & skf18("7","7","10","1","7","7","1") = "9"
    & skf18("7","7","10","1","7","8","1") = "9"
    & skf18("7","7","10","1","7","9","1") = "9"
    & skf18("7","7","10","1","7","10","1") = "9"
    & skf18("7","7","10","1","8","1","1") = "9"
    & skf18("7","7","10","1","8","2","1") = "9"
    & skf18("7","7","10","1","8","3","1") = "9"
    & skf18("7","7","10","1","8","4","1") = "9"
    & skf18("7","7","10","1","8","5","1") = "9"
    & skf18("7","7","10","1","8","6","1") = "9"
    & skf18("7","7","10","1","8","7","1") = "9"
    & skf18("7","7","10","1","8","8","1") = "9"
    & skf18("7","7","10","1","8","9","1") = "9"
    & skf18("7","7","10","1","8","10","1") = "9"
    & skf18("7","7","10","1","9","1","1") = "9"
    & skf18("7","7","10","1","9","2","1") = "9"
    & skf18("7","7","10","1","9","3","1") = "9"
    & skf18("7","7","10","1","9","4","1") = "9"
    & skf18("7","7","10","1","9","5","1") = "9"
    & skf18("7","7","10","1","9","6","1") = "9"
    & skf18("7","7","10","1","9","7","1") = "9"
    & skf18("7","7","10","1","9","8","1") = "9"
    & skf18("7","7","10","1","9","9","1") = "9"
    & skf18("7","7","10","1","9","10","1") = "9"
    & skf18("7","7","10","1","10","1","1") = "9"
    & skf18("7","7","10","1","10","2","1") = "9"
    & skf18("7","7","10","1","10","3","1") = "9"
    & skf18("7","7","10","1","10","4","1") = "9"
    & skf18("7","7","10","1","10","5","1") = "9"
    & skf18("7","7","10","1","10","6","1") = "9"
    & skf18("7","7","10","1","10","7","1") = "9"
    & skf18("7","7","10","1","10","8","1") = "9"
    & skf18("7","7","10","1","10","9","1") = "9"
    & skf18("7","7","10","1","10","10","1") = "9"
    & skf18("7","7","10","2","1","1","1") = "9"
    & skf18("7","7","10","2","1","2","1") = "9"
    & skf18("7","7","10","2","1","3","1") = "9"
    & skf18("7","7","10","2","1","4","1") = "9"
    & skf18("7","7","10","2","1","5","1") = "9"
    & skf18("7","7","10","2","1","6","1") = "9"
    & skf18("7","7","10","2","1","7","1") = "9"
    & skf18("7","7","10","2","1","8","1") = "9"
    & skf18("7","7","10","2","1","9","1") = "9"
    & skf18("7","7","10","2","1","10","1") = "9"
    & skf18("7","7","10","2","2","1","1") = "9"
    & skf18("7","7","10","2","2","2","1") = "9"
    & skf18("7","7","10","2","2","3","1") = "9"
    & skf18("7","7","10","2","2","4","1") = "9"
    & skf18("7","7","10","2","2","5","1") = "9"
    & skf18("7","7","10","2","2","6","1") = "9"
    & skf18("7","7","10","2","2","7","1") = "9"
    & skf18("7","7","10","2","2","8","1") = "9"
    & skf18("7","7","10","2","2","9","1") = "9"
    & skf18("7","7","10","2","2","10","1") = "9"
    & skf18("7","7","10","2","3","1","1") = "9"
    & skf18("7","7","10","2","3","2","1") = "9"
    & skf18("7","7","10","2","3","3","1") = "9"
    & skf18("7","7","10","2","3","4","1") = "9"
    & skf18("7","7","10","2","3","5","1") = "9"
    & skf18("7","7","10","2","3","6","1") = "9"
    & skf18("7","7","10","2","3","7","1") = "9"
    & skf18("7","7","10","2","3","8","1") = "9"
    & skf18("7","7","10","2","3","9","1") = "9"
    & skf18("7","7","10","2","3","10","1") = "9"
    & skf18("7","7","10","2","4","1","1") = "9"
    & skf18("7","7","10","2","4","2","1") = "9"
    & skf18("7","7","10","2","4","3","1") = "9"
    & skf18("7","7","10","2","4","4","1") = "9"
    & skf18("7","7","10","2","4","5","1") = "9"
    & skf18("7","7","10","2","4","6","1") = "9"
    & skf18("7","7","10","2","4","7","1") = "9"
    & skf18("7","7","10","2","4","8","1") = "9"
    & skf18("7","7","10","2","4","9","1") = "9"
    & skf18("7","7","10","2","4","10","1") = "9"
    & skf18("7","7","10","2","5","1","1") = "9"
    & skf18("7","7","10","2","5","2","1") = "9"
    & skf18("7","7","10","2","5","3","1") = "9"
    & skf18("7","7","10","2","5","4","1") = "9"
    & skf18("7","7","10","2","5","5","1") = "9"
    & skf18("7","7","10","2","5","6","1") = "9"
    & skf18("7","7","10","2","5","7","1") = "9"
    & skf18("7","7","10","2","5","8","1") = "9"
    & skf18("7","7","10","2","5","9","1") = "9"
    & skf18("7","7","10","2","5","10","1") = "9"
    & skf18("7","7","10","2","6","1","1") = "9"
    & skf18("7","7","10","2","6","2","1") = "9"
    & skf18("7","7","10","2","6","3","1") = "9"
    & skf18("7","7","10","2","6","4","1") = "9"
    & skf18("7","7","10","2","6","5","1") = "9"
    & skf18("7","7","10","2","6","6","1") = "9"
    & skf18("7","7","10","2","6","7","1") = "9"
    & skf18("7","7","10","2","6","8","1") = "9"
    & skf18("7","7","10","2","6","9","1") = "9"
    & skf18("7","7","10","2","6","10","1") = "9"
    & skf18("7","7","10","2","7","1","1") = "9"
    & skf18("7","7","10","2","7","2","1") = "9"
    & skf18("7","7","10","2","7","3","1") = "9"
    & skf18("7","7","10","2","7","4","1") = "9"
    & skf18("7","7","10","2","7","5","1") = "9"
    & skf18("7","7","10","2","7","6","1") = "9"
    & skf18("7","7","10","2","7","7","1") = "9"
    & skf18("7","7","10","2","7","8","1") = "9"
    & skf18("7","7","10","2","7","9","1") = "9"
    & skf18("7","7","10","2","7","10","1") = "9"
    & skf18("7","7","10","2","8","1","1") = "9"
    & skf18("7","7","10","2","8","2","1") = "9"
    & skf18("7","7","10","2","8","3","1") = "9"
    & skf18("7","7","10","2","8","4","1") = "9"
    & skf18("7","7","10","2","8","5","1") = "9"
    & skf18("7","7","10","2","8","6","1") = "9"
    & skf18("7","7","10","2","8","7","1") = "9"
    & skf18("7","7","10","2","8","8","1") = "9"
    & skf18("7","7","10","2","8","9","1") = "9"
    & skf18("7","7","10","2","8","10","1") = "9"
    & skf18("7","7","10","2","9","1","1") = "9"
    & skf18("7","7","10","2","9","2","1") = "9"
    & skf18("7","7","10","2","9","3","1") = "9"
    & skf18("7","7","10","2","9","4","1") = "9"
    & skf18("7","7","10","2","9","5","1") = "9"
    & skf18("7","7","10","2","9","6","1") = "9"
    & skf18("7","7","10","2","9","7","1") = "9"
    & skf18("7","7","10","2","9","8","1") = "9"
    & skf18("7","7","10","2","9","9","1") = "9"
    & skf18("7","7","10","2","9","10","1") = "9"
    & skf18("7","7","10","2","10","1","1") = "9"
    & skf18("7","7","10","2","10","2","1") = "9"
    & skf18("7","7","10","2","10","3","1") = "9"
    & skf18("7","7","10","2","10","4","1") = "9"
    & skf18("7","7","10","2","10","5","1") = "9"
    & skf18("7","7","10","2","10","6","1") = "9"
    & skf18("7","7","10","2","10","7","1") = "9"
    & skf18("7","7","10","2","10","8","1") = "9"
    & skf18("7","7","10","2","10","9","1") = "9"
    & skf18("7","7","10","2","10","10","1") = "9"
    & skf18("7","7","10","3","1","1","1") = "9"
    & skf18("7","7","10","3","1","2","1") = "9"
    & skf18("7","7","10","3","1","3","1") = "9"
    & skf18("7","7","10","3","1","4","1") = "9"
    & skf18("7","7","10","3","1","5","1") = "9"
    & skf18("7","7","10","3","1","6","1") = "9"
    & skf18("7","7","10","3","1","7","1") = "9"
    & skf18("7","7","10","3","1","8","1") = "9"
    & skf18("7","7","10","3","1","9","1") = "9"
    & skf18("7","7","10","3","1","10","1") = "9"
    & skf18("7","7","10","3","2","1","1") = "9"
    & skf18("7","7","10","3","2","2","1") = "9"
    & skf18("7","7","10","3","2","3","1") = "9"
    & skf18("7","7","10","3","2","4","1") = "9"
    & skf18("7","7","10","3","2","5","1") = "9"
    & skf18("7","7","10","3","2","6","1") = "9"
    & skf18("7","7","10","3","2","7","1") = "9"
    & skf18("7","7","10","3","2","8","1") = "9"
    & skf18("7","7","10","3","2","9","1") = "9"
    & skf18("7","7","10","3","2","10","1") = "9"
    & skf18("7","7","10","3","3","1","1") = "9"
    & skf18("7","7","10","3","3","2","1") = "9"
    & skf18("7","7","10","3","3","3","1") = "9"
    & skf18("7","7","10","3","3","4","1") = "9"
    & skf18("7","7","10","3","3","5","1") = "9"
    & skf18("7","7","10","3","3","6","1") = "9"
    & skf18("7","7","10","3","3","7","1") = "9"
    & skf18("7","7","10","3","3","8","1") = "9"
    & skf18("7","7","10","3","3","9","1") = "9"
    & skf18("7","7","10","3","3","10","1") = "9"
    & skf18("7","7","10","3","4","1","1") = "9"
    & skf18("7","7","10","3","4","2","1") = "9"
    & skf18("7","7","10","3","4","3","1") = "9"
    & skf18("7","7","10","3","4","4","1") = "9"
    & skf18("7","7","10","3","4","5","1") = "9"
    & skf18("7","7","10","3","4","6","1") = "9"
    & skf18("7","7","10","3","4","7","1") = "9"
    & skf18("7","7","10","3","4","8","1") = "9"
    & skf18("7","7","10","3","4","9","1") = "9"
    & skf18("7","7","10","3","4","10","1") = "9"
    & skf18("7","7","10","3","5","1","1") = "9"
    & skf18("7","7","10","3","5","2","1") = "9"
    & skf18("7","7","10","3","5","3","1") = "9"
    & skf18("7","7","10","3","5","4","1") = "9"
    & skf18("7","7","10","3","5","5","1") = "9"
    & skf18("7","7","10","3","5","6","1") = "9"
    & skf18("7","7","10","3","5","7","1") = "9"
    & skf18("7","7","10","3","5","8","1") = "9"
    & skf18("7","7","10","3","5","9","1") = "9"
    & skf18("7","7","10","3","5","10","1") = "9"
    & skf18("7","7","10","3","6","1","1") = "9"
    & skf18("7","7","10","3","6","2","1") = "9"
    & skf18("7","7","10","3","6","3","1") = "9"
    & skf18("7","7","10","3","6","4","1") = "9"
    & skf18("7","7","10","3","6","5","1") = "9"
    & skf18("7","7","10","3","6","6","1") = "9"
    & skf18("7","7","10","3","6","7","1") = "9"
    & skf18("7","7","10","3","6","8","1") = "9"
    & skf18("7","7","10","3","6","9","1") = "9"
    & skf18("7","7","10","3","6","10","1") = "9"
    & skf18("7","7","10","3","7","1","1") = "9"
    & skf18("7","7","10","3","7","2","1") = "9"
    & skf18("7","7","10","3","7","3","1") = "9"
    & skf18("7","7","10","3","7","4","1") = "9"
    & skf18("7","7","10","3","7","5","1") = "9"
    & skf18("7","7","10","3","7","6","1") = "9"
    & skf18("7","7","10","3","7","7","1") = "9"
    & skf18("7","7","10","3","7","8","1") = "9"
    & skf18("7","7","10","3","7","9","1") = "9"
    & skf18("7","7","10","3","7","10","1") = "9"
    & skf18("7","7","10","3","8","1","1") = "9"
    & skf18("7","7","10","3","8","2","1") = "9"
    & skf18("7","7","10","3","8","3","1") = "9"
    & skf18("7","7","10","3","8","4","1") = "9"
    & skf18("7","7","10","3","8","5","1") = "9"
    & skf18("7","7","10","3","8","6","1") = "9"
    & skf18("7","7","10","3","8","7","1") = "9"
    & skf18("7","7","10","3","8","8","1") = "9"
    & skf18("7","7","10","3","8","9","1") = "9"
    & skf18("7","7","10","3","8","10","1") = "9"
    & skf18("7","7","10","3","9","1","1") = "9"
    & skf18("7","7","10","3","9","2","1") = "9"
    & skf18("7","7","10","3","9","3","1") = "9"
    & skf18("7","7","10","3","9","4","1") = "9"
    & skf18("7","7","10","3","9","5","1") = "9"
    & skf18("7","7","10","3","9","6","1") = "9"
    & skf18("7","7","10","3","9","7","1") = "9"
    & skf18("7","7","10","3","9","8","1") = "9"
    & skf18("7","7","10","3","9","9","1") = "9"
    & skf18("7","7","10","3","9","10","1") = "9"
    & skf18("7","7","10","3","10","1","1") = "9"
    & skf18("7","7","10","3","10","2","1") = "9"
    & skf18("7","7","10","3","10","3","1") = "9"
    & skf18("7","7","10","3","10","4","1") = "9"
    & skf18("7","7","10","3","10","5","1") = "9"
    & skf18("7","7","10","3","10","6","1") = "9"
    & skf18("7","7","10","3","10","7","1") = "9"
    & skf18("7","7","10","3","10","8","1") = "9"
    & skf18("7","7","10","3","10","9","1") = "9"
    & skf18("7","7","10","3","10","10","1") = "9"
    & skf18("7","7","10","4","1","1","1") = "9"
    & skf18("7","7","10","4","1","2","1") = "9"
    & skf18("7","7","10","4","1","3","1") = "9"
    & skf18("7","7","10","4","1","4","1") = "9"
    & skf18("7","7","10","4","1","5","1") = "9"
    & skf18("7","7","10","4","1","6","1") = "9"
    & skf18("7","7","10","4","1","7","1") = "9"
    & skf18("7","7","10","4","1","8","1") = "9"
    & skf18("7","7","10","4","1","9","1") = "9"
    & skf18("7","7","10","4","1","10","1") = "9"
    & skf18("7","7","10","4","2","1","1") = "9"
    & skf18("7","7","10","4","2","2","1") = "9"
    & skf18("7","7","10","4","2","3","1") = "9"
    & skf18("7","7","10","4","2","4","1") = "9"
    & skf18("7","7","10","4","2","5","1") = "9"
    & skf18("7","7","10","4","2","6","1") = "9"
    & skf18("7","7","10","4","2","7","1") = "9"
    & skf18("7","7","10","4","2","8","1") = "9"
    & skf18("7","7","10","4","2","9","1") = "9"
    & skf18("7","7","10","4","2","10","1") = "9"
    & skf18("7","7","10","4","3","1","1") = "9"
    & skf18("7","7","10","4","3","2","1") = "9"
    & skf18("7","7","10","4","3","3","1") = "9"
    & skf18("7","7","10","4","3","4","1") = "9"
    & skf18("7","7","10","4","3","5","1") = "9"
    & skf18("7","7","10","4","3","6","1") = "9"
    & skf18("7","7","10","4","3","7","1") = "9"
    & skf18("7","7","10","4","3","8","1") = "9"
    & skf18("7","7","10","4","3","9","1") = "9"
    & skf18("7","7","10","4","3","10","1") = "9"
    & skf18("7","7","10","4","4","1","1") = "9"
    & skf18("7","7","10","4","4","2","1") = "9"
    & skf18("7","7","10","4","4","3","1") = "9"
    & skf18("7","7","10","4","4","4","1") = "9"
    & skf18("7","7","10","4","4","5","1") = "9"
    & skf18("7","7","10","4","4","6","1") = "9"
    & skf18("7","7","10","4","4","7","1") = "9"
    & skf18("7","7","10","4","4","8","1") = "9"
    & skf18("7","7","10","4","4","9","1") = "9"
    & skf18("7","7","10","4","4","10","1") = "9"
    & skf18("7","7","10","4","5","1","1") = "9"
    & skf18("7","7","10","4","5","2","1") = "9"
    & skf18("7","7","10","4","5","3","1") = "9"
    & skf18("7","7","10","4","5","4","1") = "9"
    & skf18("7","7","10","4","5","5","1") = "9"
    & skf18("7","7","10","4","5","6","1") = "9"
    & skf18("7","7","10","4","5","7","1") = "9"
    & skf18("7","7","10","4","5","8","1") = "9"
    & skf18("7","7","10","4","5","9","1") = "9"
    & skf18("7","7","10","4","5","10","1") = "9"
    & skf18("7","7","10","4","6","1","1") = "9"
    & skf18("7","7","10","4","6","2","1") = "9"
    & skf18("7","7","10","4","6","3","1") = "9"
    & skf18("7","7","10","4","6","4","1") = "9"
    & skf18("7","7","10","4","6","5","1") = "9"
    & skf18("7","7","10","4","6","6","1") = "9"
    & skf18("7","7","10","4","6","7","1") = "9"
    & skf18("7","7","10","4","6","8","1") = "9"
    & skf18("7","7","10","4","6","9","1") = "9"
    & skf18("7","7","10","4","6","10","1") = "9"
    & skf18("7","7","10","4","7","1","1") = "9"
    & skf18("7","7","10","4","7","2","1") = "9"
    & skf18("7","7","10","4","7","3","1") = "9"
    & skf18("7","7","10","4","7","4","1") = "9"
    & skf18("7","7","10","4","7","5","1") = "9"
    & skf18("7","7","10","4","7","6","1") = "9"
    & skf18("7","7","10","4","7","7","1") = "9"
    & skf18("7","7","10","4","7","8","1") = "9"
    & skf18("7","7","10","4","7","9","1") = "9"
    & skf18("7","7","10","4","7","10","1") = "9"
    & skf18("7","7","10","4","8","1","1") = "9"
    & skf18("7","7","10","4","8","2","1") = "9"
    & skf18("7","7","10","4","8","3","1") = "9"
    & skf18("7","7","10","4","8","4","1") = "9"
    & skf18("7","7","10","4","8","5","1") = "9"
    & skf18("7","7","10","4","8","6","1") = "9"
    & skf18("7","7","10","4","8","7","1") = "9"
    & skf18("7","7","10","4","8","8","1") = "9"
    & skf18("7","7","10","4","8","9","1") = "9"
    & skf18("7","7","10","4","8","10","1") = "9"
    & skf18("7","7","10","4","9","1","1") = "9"
    & skf18("7","7","10","4","9","2","1") = "9"
    & skf18("7","7","10","4","9","3","1") = "9"
    & skf18("7","7","10","4","9","4","1") = "9"
    & skf18("7","7","10","4","9","5","1") = "9"
    & skf18("7","7","10","4","9","6","1") = "9"
    & skf18("7","7","10","4","9","7","1") = "9"
    & skf18("7","7","10","4","9","8","1") = "9"
    & skf18("7","7","10","4","9","9","1") = "9"
    & skf18("7","7","10","4","9","10","1") = "9"
    & skf18("7","7","10","4","10","1","1") = "9"
    & skf18("7","7","10","4","10","2","1") = "9"
    & skf18("7","7","10","4","10","3","1") = "9"
    & skf18("7","7","10","4","10","4","1") = "9"
    & skf18("7","7","10","4","10","5","1") = "9"
    & skf18("7","7","10","4","10","6","1") = "9"
    & skf18("7","7","10","4","10","7","1") = "9"
    & skf18("7","7","10","4","10","8","1") = "9"
    & skf18("7","7","10","4","10","9","1") = "9"
    & skf18("7","7","10","4","10","10","1") = "9"
    & skf18("7","7","10","5","1","1","1") = "9"
    & skf18("7","7","10","5","1","2","1") = "9"
    & skf18("7","7","10","5","1","3","1") = "9"
    & skf18("7","7","10","5","1","4","1") = "9"
    & skf18("7","7","10","5","1","5","1") = "9"
    & skf18("7","7","10","5","1","6","1") = "9"
    & skf18("7","7","10","5","1","7","1") = "9"
    & skf18("7","7","10","5","1","8","1") = "9"
    & skf18("7","7","10","5","1","9","1") = "9"
    & skf18("7","7","10","5","1","10","1") = "9"
    & skf18("7","7","10","5","2","1","1") = "9"
    & skf18("7","7","10","5","2","2","1") = "9"
    & skf18("7","7","10","5","2","3","1") = "9"
    & skf18("7","7","10","5","2","4","1") = "9"
    & skf18("7","7","10","5","2","5","1") = "9"
    & skf18("7","7","10","5","2","6","1") = "9"
    & skf18("7","7","10","5","2","7","1") = "9"
    & skf18("7","7","10","5","2","8","1") = "9"
    & skf18("7","7","10","5","2","9","1") = "9"
    & skf18("7","7","10","5","2","10","1") = "9"
    & skf18("7","7","10","5","3","1","1") = "9"
    & skf18("7","7","10","5","3","2","1") = "9"
    & skf18("7","7","10","5","3","3","1") = "9"
    & skf18("7","7","10","5","3","4","1") = "9"
    & skf18("7","7","10","5","3","5","1") = "9"
    & skf18("7","7","10","5","3","6","1") = "9"
    & skf18("7","7","10","5","3","7","1") = "9"
    & skf18("7","7","10","5","3","8","1") = "9"
    & skf18("7","7","10","5","3","9","1") = "9"
    & skf18("7","7","10","5","3","10","1") = "9"
    & skf18("7","7","10","5","4","1","1") = "9"
    & skf18("7","7","10","5","4","2","1") = "9"
    & skf18("7","7","10","5","4","3","1") = "9"
    & skf18("7","7","10","5","4","4","1") = "9"
    & skf18("7","7","10","5","4","5","1") = "9"
    & skf18("7","7","10","5","4","6","1") = "9"
    & skf18("7","7","10","5","4","7","1") = "9"
    & skf18("7","7","10","5","4","8","1") = "9"
    & skf18("7","7","10","5","4","9","1") = "9"
    & skf18("7","7","10","5","4","10","1") = "9"
    & skf18("7","7","10","5","5","1","1") = "9"
    & skf18("7","7","10","5","5","2","1") = "9"
    & skf18("7","7","10","5","5","3","1") = "9"
    & skf18("7","7","10","5","5","4","1") = "9"
    & skf18("7","7","10","5","5","5","1") = "9"
    & skf18("7","7","10","5","5","6","1") = "9"
    & skf18("7","7","10","5","5","7","1") = "9"
    & skf18("7","7","10","5","5","8","1") = "9"
    & skf18("7","7","10","5","5","9","1") = "9"
    & skf18("7","7","10","5","5","10","1") = "9"
    & skf18("7","7","10","5","6","1","1") = "9"
    & skf18("7","7","10","5","6","2","1") = "9"
    & skf18("7","7","10","5","6","3","1") = "9"
    & skf18("7","7","10","5","6","4","1") = "9"
    & skf18("7","7","10","5","6","5","1") = "9"
    & skf18("7","7","10","5","6","6","1") = "9"
    & skf18("7","7","10","5","6","7","1") = "9"
    & skf18("7","7","10","5","6","8","1") = "9"
    & skf18("7","7","10","5","6","9","1") = "9"
    & skf18("7","7","10","5","6","10","1") = "9"
    & skf18("7","7","10","5","7","1","1") = "9"
    & skf18("7","7","10","5","7","2","1") = "9"
    & skf18("7","7","10","5","7","3","1") = "9"
    & skf18("7","7","10","5","7","4","1") = "9"
    & skf18("7","7","10","5","7","5","1") = "9"
    & skf18("7","7","10","5","7","6","1") = "9"
    & skf18("7","7","10","5","7","7","1") = "9"
    & skf18("7","7","10","5","7","8","1") = "9"
    & skf18("7","7","10","5","7","9","1") = "9"
    & skf18("7","7","10","5","7","10","1") = "9"
    & skf18("7","7","10","5","8","1","1") = "9"
    & skf18("7","7","10","5","8","2","1") = "9"
    & skf18("7","7","10","5","8","3","1") = "9"
    & skf18("7","7","10","5","8","4","1") = "9"
    & skf18("7","7","10","5","8","5","1") = "9"
    & skf18("7","7","10","5","8","6","1") = "9"
    & skf18("7","7","10","5","8","7","1") = "9"
    & skf18("7","7","10","5","8","8","1") = "9"
    & skf18("7","7","10","5","8","9","1") = "9"
    & skf18("7","7","10","5","8","10","1") = "9"
    & skf18("7","7","10","5","9","1","1") = "9"
    & skf18("7","7","10","5","9","2","1") = "9"
    & skf18("7","7","10","5","9","3","1") = "9"
    & skf18("7","7","10","5","9","4","1") = "9"
    & skf18("7","7","10","5","9","5","1") = "9"
    & skf18("7","7","10","5","9","6","1") = "9"
    & skf18("7","7","10","5","9","7","1") = "9"
    & skf18("7","7","10","5","9","8","1") = "9"
    & skf18("7","7","10","5","9","9","1") = "9"
    & skf18("7","7","10","5","9","10","1") = "9"
    & skf18("7","7","10","5","10","1","1") = "9"
    & skf18("7","7","10","5","10","2","1") = "9"
    & skf18("7","7","10","5","10","3","1") = "9"
    & skf18("7","7","10","5","10","4","1") = "9"
    & skf18("7","7","10","5","10","5","1") = "9"
    & skf18("7","7","10","5","10","6","1") = "9"
    & skf18("7","7","10","5","10","7","1") = "9"
    & skf18("7","7","10","5","10","8","1") = "9"
    & skf18("7","7","10","5","10","9","1") = "9"
    & skf18("7","7","10","5","10","10","1") = "9"
    & skf18("7","7","10","6","1","1","1") = "9"
    & skf18("7","7","10","6","1","2","1") = "9"
    & skf18("7","7","10","6","1","3","1") = "9"
    & skf18("7","7","10","6","1","4","1") = "9"
    & skf18("7","7","10","6","1","5","1") = "9"
    & skf18("7","7","10","6","1","6","1") = "9"
    & skf18("7","7","10","6","1","7","1") = "9"
    & skf18("7","7","10","6","1","8","1") = "9"
    & skf18("7","7","10","6","1","9","1") = "9"
    & skf18("7","7","10","6","1","10","1") = "9"
    & skf18("7","7","10","6","2","1","1") = "9"
    & skf18("7","7","10","6","2","2","1") = "9"
    & skf18("7","7","10","6","2","3","1") = "9"
    & skf18("7","7","10","6","2","4","1") = "9"
    & skf18("7","7","10","6","2","5","1") = "9"
    & skf18("7","7","10","6","2","6","1") = "9"
    & skf18("7","7","10","6","2","7","1") = "9"
    & skf18("7","7","10","6","2","8","1") = "9"
    & skf18("7","7","10","6","2","9","1") = "9"
    & skf18("7","7","10","6","2","10","1") = "9"
    & skf18("7","7","10","6","3","1","1") = "9"
    & skf18("7","7","10","6","3","2","1") = "9"
    & skf18("7","7","10","6","3","3","1") = "9"
    & skf18("7","7","10","6","3","4","1") = "9"
    & skf18("7","7","10","6","3","5","1") = "9"
    & skf18("7","7","10","6","3","6","1") = "9"
    & skf18("7","7","10","6","3","7","1") = "9"
    & skf18("7","7","10","6","3","8","1") = "9"
    & skf18("7","7","10","6","3","9","1") = "9"
    & skf18("7","7","10","6","3","10","1") = "9"
    & skf18("7","7","10","6","4","1","1") = "9"
    & skf18("7","7","10","6","4","2","1") = "9"
    & skf18("7","7","10","6","4","3","1") = "9"
    & skf18("7","7","10","6","4","4","1") = "9"
    & skf18("7","7","10","6","4","5","1") = "9"
    & skf18("7","7","10","6","4","6","1") = "9"
    & skf18("7","7","10","6","4","7","1") = "9"
    & skf18("7","7","10","6","4","8","1") = "9"
    & skf18("7","7","10","6","4","9","1") = "9"
    & skf18("7","7","10","6","4","10","1") = "9"
    & skf18("7","7","10","6","5","1","1") = "9"
    & skf18("7","7","10","6","5","2","1") = "9"
    & skf18("7","7","10","6","5","3","1") = "9"
    & skf18("7","7","10","6","5","4","1") = "9"
    & skf18("7","7","10","6","5","5","1") = "9"
    & skf18("7","7","10","6","5","6","1") = "9"
    & skf18("7","7","10","6","5","7","1") = "9"
    & skf18("7","7","10","6","5","8","1") = "9"
    & skf18("7","7","10","6","5","9","1") = "9"
    & skf18("7","7","10","6","5","10","1") = "9"
    & skf18("7","7","10","6","6","1","1") = "9"
    & skf18("7","7","10","6","6","2","1") = "9"
    & skf18("7","7","10","6","6","3","1") = "9"
    & skf18("7","7","10","6","6","4","1") = "9"
    & skf18("7","7","10","6","6","5","1") = "9"
    & skf18("7","7","10","6","6","6","1") = "9"
    & skf18("7","7","10","6","6","7","1") = "9"
    & skf18("7","7","10","6","6","8","1") = "9"
    & skf18("7","7","10","6","6","9","1") = "9"
    & skf18("7","7","10","6","6","10","1") = "9"
    & skf18("7","7","10","6","7","1","1") = "9"
    & skf18("7","7","10","6","7","2","1") = "9"
    & skf18("7","7","10","6","7","3","1") = "9"
    & skf18("7","7","10","6","7","4","1") = "9"
    & skf18("7","7","10","6","7","5","1") = "9"
    & skf18("7","7","10","6","7","6","1") = "9"
    & skf18("7","7","10","6","7","7","1") = "9"
    & skf18("7","7","10","6","7","8","1") = "9"
    & skf18("7","7","10","6","7","9","1") = "9"
    & skf18("7","7","10","6","7","10","1") = "9"
    & skf18("7","7","10","6","8","1","1") = "9"
    & skf18("7","7","10","6","8","2","1") = "9"
    & skf18("7","7","10","6","8","3","1") = "9"
    & skf18("7","7","10","6","8","4","1") = "9"
    & skf18("7","7","10","6","8","5","1") = "9"
    & skf18("7","7","10","6","8","6","1") = "9"
    & skf18("7","7","10","6","8","7","1") = "9"
    & skf18("7","7","10","6","8","8","1") = "9"
    & skf18("7","7","10","6","8","9","1") = "9"
    & skf18("7","7","10","6","8","10","1") = "9"
    & skf18("7","7","10","6","9","1","1") = "9"
    & skf18("7","7","10","6","9","2","1") = "9"
    & skf18("7","7","10","6","9","3","1") = "9"
    & skf18("7","7","10","6","9","4","1") = "9"
    & skf18("7","7","10","6","9","5","1") = "9"
    & skf18("7","7","10","6","9","6","1") = "9"
    & skf18("7","7","10","6","9","7","1") = "9"
    & skf18("7","7","10","6","9","8","1") = "9"
    & skf18("7","7","10","6","9","9","1") = "9"
    & skf18("7","7","10","6","9","10","1") = "9"
    & skf18("7","7","10","6","10","1","1") = "9"
    & skf18("7","7","10","6","10","2","1") = "9"
    & skf18("7","7","10","6","10","3","1") = "9"
    & skf18("7","7","10","6","10","4","1") = "9"
    & skf18("7","7","10","6","10","5","1") = "9"
    & skf18("7","7","10","6","10","6","1") = "9"
    & skf18("7","7","10","6","10","7","1") = "9"
    & skf18("7","7","10","6","10","8","1") = "9"
    & skf18("7","7","10","6","10","9","1") = "9"
    & skf18("7","7","10","6","10","10","1") = "9"
    & skf18("7","7","10","7","1","1","1") = "9"
    & skf18("7","7","10","7","1","2","1") = "9"
    & skf18("7","7","10","7","1","3","1") = "9"
    & skf18("7","7","10","7","1","4","1") = "9"
    & skf18("7","7","10","7","1","5","1") = "9"
    & skf18("7","7","10","7","1","6","1") = "9"
    & skf18("7","7","10","7","1","7","1") = "9"
    & skf18("7","7","10","7","1","8","1") = "9"
    & skf18("7","7","10","7","1","9","1") = "9"
    & skf18("7","7","10","7","1","10","1") = "9"
    & skf18("7","7","10","7","2","1","1") = "9"
    & skf18("7","7","10","7","2","2","1") = "9"
    & skf18("7","7","10","7","2","3","1") = "9"
    & skf18("7","7","10","7","2","4","1") = "9"
    & skf18("7","7","10","7","2","5","1") = "9"
    & skf18("7","7","10","7","2","6","1") = "9"
    & skf18("7","7","10","7","2","7","1") = "9"
    & skf18("7","7","10","7","2","8","1") = "9"
    & skf18("7","7","10","7","2","9","1") = "9"
    & skf18("7","7","10","7","2","10","1") = "9"
    & skf18("7","7","10","7","3","1","1") = "9"
    & skf18("7","7","10","7","3","2","1") = "9"
    & skf18("7","7","10","7","3","3","1") = "9"
    & skf18("7","7","10","7","3","4","1") = "9"
    & skf18("7","7","10","7","3","5","1") = "9"
    & skf18("7","7","10","7","3","6","1") = "9"
    & skf18("7","7","10","7","3","7","1") = "9"
    & skf18("7","7","10","7","3","8","1") = "9"
    & skf18("7","7","10","7","3","9","1") = "9"
    & skf18("7","7","10","7","3","10","1") = "9"
    & skf18("7","7","10","7","4","1","1") = "9"
    & skf18("7","7","10","7","4","2","1") = "9"
    & skf18("7","7","10","7","4","3","1") = "9"
    & skf18("7","7","10","7","4","4","1") = "9"
    & skf18("7","7","10","7","4","5","1") = "9"
    & skf18("7","7","10","7","4","6","1") = "9"
    & skf18("7","7","10","7","4","7","1") = "9"
    & skf18("7","7","10","7","4","8","1") = "9"
    & skf18("7","7","10","7","4","9","1") = "9"
    & skf18("7","7","10","7","4","10","1") = "9"
    & skf18("7","7","10","7","5","1","1") = "9"
    & skf18("7","7","10","7","5","2","1") = "9"
    & skf18("7","7","10","7","5","3","1") = "9"
    & skf18("7","7","10","7","5","4","1") = "9"
    & skf18("7","7","10","7","5","5","1") = "9"
    & skf18("7","7","10","7","5","6","1") = "9"
    & skf18("7","7","10","7","5","7","1") = "9"
    & skf18("7","7","10","7","5","8","1") = "9"
    & skf18("7","7","10","7","5","9","1") = "9"
    & skf18("7","7","10","7","5","10","1") = "9"
    & skf18("7","7","10","7","6","1","1") = "9"
    & skf18("7","7","10","7","6","2","1") = "9"
    & skf18("7","7","10","7","6","3","1") = "9"
    & skf18("7","7","10","7","6","4","1") = "9"
    & skf18("7","7","10","7","6","5","1") = "9"
    & skf18("7","7","10","7","6","6","1") = "9"
    & skf18("7","7","10","7","6","7","1") = "9"
    & skf18("7","7","10","7","6","8","1") = "9"
    & skf18("7","7","10","7","6","9","1") = "9"
    & skf18("7","7","10","7","6","10","1") = "9"
    & skf18("7","7","10","7","7","1","1") = "9"
    & skf18("7","7","10","7","7","2","1") = "9"
    & skf18("7","7","10","7","7","3","1") = "9"
    & skf18("7","7","10","7","7","4","1") = "9"
    & skf18("7","7","10","7","7","5","1") = "9"
    & skf18("7","7","10","7","7","6","1") = "9"
    & skf18("7","7","10","7","7","7","1") = "9"
    & skf18("7","7","10","7","7","8","1") = "9"
    & skf18("7","7","10","7","7","9","1") = "9"
    & skf18("7","7","10","7","7","10","1") = "9"
    & skf18("7","7","10","7","8","1","1") = "9"
    & skf18("7","7","10","7","8","2","1") = "9"
    & skf18("7","7","10","7","8","3","1") = "9"
    & skf18("7","7","10","7","8","4","1") = "9"
    & skf18("7","7","10","7","8","5","1") = "9"
    & skf18("7","7","10","7","8","6","1") = "9"
    & skf18("7","7","10","7","8","7","1") = "9"
    & skf18("7","7","10","7","8","8","1") = "9"
    & skf18("7","7","10","7","8","9","1") = "9"
    & skf18("7","7","10","7","8","10","1") = "9"
    & skf18("7","7","10","7","9","1","1") = "9"
    & skf18("7","7","10","7","9","2","1") = "9"
    & skf18("7","7","10","7","9","3","1") = "9"
    & skf18("7","7","10","7","9","4","1") = "9"
    & skf18("7","7","10","7","9","5","1") = "9"
    & skf18("7","7","10","7","9","6","1") = "9"
    & skf18("7","7","10","7","9","7","1") = "9"
    & skf18("7","7","10","7","9","8","1") = "9"
    & skf18("7","7","10","7","9","9","1") = "9"
    & skf18("7","7","10","7","9","10","1") = "9"
    & skf18("7","7","10","7","10","1","1") = "9"
    & skf18("7","7","10","7","10","2","1") = "9"
    & skf18("7","7","10","7","10","3","1") = "9"
    & skf18("7","7","10","7","10","4","1") = "9"
    & skf18("7","7","10","7","10","5","1") = "9"
    & skf18("7","7","10","7","10","6","1") = "9"
    & skf18("7","7","10","7","10","7","1") = "9"
    & skf18("7","7","10","7","10","8","1") = "9"
    & skf18("7","7","10","7","10","9","1") = "9"
    & skf18("7","7","10","7","10","10","1") = "9"
    & skf18("7","7","10","8","1","1","1") = "9"
    & skf18("7","7","10","8","1","2","1") = "9"
    & skf18("7","7","10","8","1","3","1") = "9"
    & skf18("7","7","10","8","1","4","1") = "9"
    & skf18("7","7","10","8","1","5","1") = "9"
    & skf18("7","7","10","8","1","6","1") = "9"
    & skf18("7","7","10","8","1","7","1") = "9"
    & skf18("7","7","10","8","1","8","1") = "9"
    & skf18("7","7","10","8","1","9","1") = "9"
    & skf18("7","7","10","8","1","10","1") = "9"
    & skf18("7","7","10","8","2","1","1") = "9"
    & skf18("7","7","10","8","2","2","1") = "9"
    & skf18("7","7","10","8","2","3","1") = "9"
    & skf18("7","7","10","8","2","4","1") = "9"
    & skf18("7","7","10","8","2","5","1") = "9"
    & skf18("7","7","10","8","2","6","1") = "9"
    & skf18("7","7","10","8","2","7","1") = "9"
    & skf18("7","7","10","8","2","8","1") = "9"
    & skf18("7","7","10","8","2","9","1") = "9"
    & skf18("7","7","10","8","2","10","1") = "9"
    & skf18("7","7","10","8","3","1","1") = "9"
    & skf18("7","7","10","8","3","2","1") = "9"
    & skf18("7","7","10","8","3","3","1") = "9"
    & skf18("7","7","10","8","3","4","1") = "9"
    & skf18("7","7","10","8","3","5","1") = "9"
    & skf18("7","7","10","8","3","6","1") = "9"
    & skf18("7","7","10","8","3","7","1") = "9"
    & skf18("7","7","10","8","3","8","1") = "9"
    & skf18("7","7","10","8","3","9","1") = "9"
    & skf18("7","7","10","8","3","10","1") = "9"
    & skf18("7","7","10","8","4","1","1") = "9"
    & skf18("7","7","10","8","4","2","1") = "9"
    & skf18("7","7","10","8","4","3","1") = "9"
    & skf18("7","7","10","8","4","4","1") = "9"
    & skf18("7","7","10","8","4","5","1") = "9"
    & skf18("7","7","10","8","4","6","1") = "9"
    & skf18("7","7","10","8","4","7","1") = "9"
    & skf18("7","7","10","8","4","8","1") = "9"
    & skf18("7","7","10","8","4","9","1") = "9"
    & skf18("7","7","10","8","4","10","1") = "9"
    & skf18("7","7","10","8","5","1","1") = "9"
    & skf18("7","7","10","8","5","2","1") = "9"
    & skf18("7","7","10","8","5","3","1") = "9"
    & skf18("7","7","10","8","5","4","1") = "9"
    & skf18("7","7","10","8","5","5","1") = "9"
    & skf18("7","7","10","8","5","6","1") = "9"
    & skf18("7","7","10","8","5","7","1") = "9"
    & skf18("7","7","10","8","5","8","1") = "9"
    & skf18("7","7","10","8","5","9","1") = "9"
    & skf18("7","7","10","8","5","10","1") = "9"
    & skf18("7","7","10","8","6","1","1") = "9"
    & skf18("7","7","10","8","6","2","1") = "9"
    & skf18("7","7","10","8","6","3","1") = "9"
    & skf18("7","7","10","8","6","4","1") = "9"
    & skf18("7","7","10","8","6","5","1") = "9"
    & skf18("7","7","10","8","6","6","1") = "9"
    & skf18("7","7","10","8","6","7","1") = "9"
    & skf18("7","7","10","8","6","8","1") = "9"
    & skf18("7","7","10","8","6","9","1") = "9"
    & skf18("7","7","10","8","6","10","1") = "9"
    & skf18("7","7","10","8","7","1","1") = "9"
    & skf18("7","7","10","8","7","2","1") = "9"
    & skf18("7","7","10","8","7","3","1") = "9"
    & skf18("7","7","10","8","7","4","1") = "9"
    & skf18("7","7","10","8","7","5","1") = "9"
    & skf18("7","7","10","8","7","6","1") = "9"
    & skf18("7","7","10","8","7","7","1") = "9"
    & skf18("7","7","10","8","7","8","1") = "9"
    & skf18("7","7","10","8","7","9","1") = "9"
    & skf18("7","7","10","8","7","10","1") = "9"
    & skf18("7","7","10","8","8","1","1") = "9"
    & skf18("7","7","10","8","8","2","1") = "9"
    & skf18("7","7","10","8","8","3","1") = "9"
    & skf18("7","7","10","8","8","4","1") = "9"
    & skf18("7","7","10","8","8","5","1") = "9"
    & skf18("7","7","10","8","8","6","1") = "9"
    & skf18("7","7","10","8","8","7","1") = "9"
    & skf18("7","7","10","8","8","8","1") = "9"
    & skf18("7","7","10","8","8","9","1") = "9"
    & skf18("7","7","10","8","8","10","1") = "9"
    & skf18("7","7","10","8","9","1","1") = "9"
    & skf18("7","7","10","8","9","2","1") = "9"
    & skf18("7","7","10","8","9","3","1") = "9"
    & skf18("7","7","10","8","9","4","1") = "9"
    & skf18("7","7","10","8","9","5","1") = "9"
    & skf18("7","7","10","8","9","6","1") = "9"
    & skf18("7","7","10","8","9","7","1") = "9"
    & skf18("7","7","10","8","9","8","1") = "9"
    & skf18("7","7","10","8","9","9","1") = "9"
    & skf18("7","7","10","8","9","10","1") = "9"
    & skf18("7","7","10","8","10","1","1") = "9"
    & skf18("7","7","10","8","10","2","1") = "9"
    & skf18("7","7","10","8","10","3","1") = "9"
    & skf18("7","7","10","8","10","4","1") = "9"
    & skf18("7","7","10","8","10","5","1") = "9"
    & skf18("7","7","10","8","10","6","1") = "9"
    & skf18("7","7","10","8","10","7","1") = "9"
    & skf18("7","7","10","8","10","8","1") = "9"
    & skf18("7","7","10","8","10","9","1") = "9"
    & skf18("7","7","10","8","10","10","1") = "9"
    & skf18("7","7","10","9","1","1","1") = "9"
    & skf18("7","7","10","9","1","2","1") = "9"
    & skf18("7","7","10","9","1","3","1") = "9"
    & skf18("7","7","10","9","1","4","1") = "9"
    & skf18("7","7","10","9","1","5","1") = "9"
    & skf18("7","7","10","9","1","6","1") = "9"
    & skf18("7","7","10","9","1","7","1") = "9"
    & skf18("7","7","10","9","1","8","1") = "9"
    & skf18("7","7","10","9","1","9","1") = "9"
    & skf18("7","7","10","9","1","10","1") = "9"
    & skf18("7","7","10","9","2","1","1") = "9"
    & skf18("7","7","10","9","2","2","1") = "9"
    & skf18("7","7","10","9","2","3","1") = "9"
    & skf18("7","7","10","9","2","4","1") = "9"
    & skf18("7","7","10","9","2","5","1") = "9"
    & skf18("7","7","10","9","2","6","1") = "9"
    & skf18("7","7","10","9","2","7","1") = "9"
    & skf18("7","7","10","9","2","8","1") = "9"
    & skf18("7","7","10","9","2","9","1") = "9"
    & skf18("7","7","10","9","2","10","1") = "9"
    & skf18("7","7","10","9","3","1","1") = "9"
    & skf18("7","7","10","9","3","2","1") = "9"
    & skf18("7","7","10","9","3","3","1") = "9"
    & skf18("7","7","10","9","3","4","1") = "9"
    & skf18("7","7","10","9","3","5","1") = "9"
    & skf18("7","7","10","9","3","6","1") = "9"
    & skf18("7","7","10","9","3","7","1") = "9"
    & skf18("7","7","10","9","3","8","1") = "9"
    & skf18("7","7","10","9","3","9","1") = "9"
    & skf18("7","7","10","9","3","10","1") = "9"
    & skf18("7","7","10","9","4","1","1") = "9"
    & skf18("7","7","10","9","4","2","1") = "9"
    & skf18("7","7","10","9","4","3","1") = "9"
    & skf18("7","7","10","9","4","4","1") = "9"
    & skf18("7","7","10","9","4","5","1") = "9"
    & skf18("7","7","10","9","4","6","1") = "9"
    & skf18("7","7","10","9","4","7","1") = "9"
    & skf18("7","7","10","9","4","8","1") = "9"
    & skf18("7","7","10","9","4","9","1") = "9"
    & skf18("7","7","10","9","4","10","1") = "9"
    & skf18("7","7","10","9","5","1","1") = "9"
    & skf18("7","7","10","9","5","2","1") = "9"
    & skf18("7","7","10","9","5","3","1") = "9"
    & skf18("7","7","10","9","5","4","1") = "9"
    & skf18("7","7","10","9","5","5","1") = "9"
    & skf18("7","7","10","9","5","6","1") = "9"
    & skf18("7","7","10","9","5","7","1") = "9"
    & skf18("7","7","10","9","5","8","1") = "9"
    & skf18("7","7","10","9","5","9","1") = "9"
    & skf18("7","7","10","9","5","10","1") = "9"
    & skf18("7","7","10","9","6","1","1") = "9"
    & skf18("7","7","10","9","6","2","1") = "9"
    & skf18("7","7","10","9","6","3","1") = "9"
    & skf18("7","7","10","9","6","4","1") = "9"
    & skf18("7","7","10","9","6","5","1") = "9"
    & skf18("7","7","10","9","6","6","1") = "9"
    & skf18("7","7","10","9","6","7","1") = "9"
    & skf18("7","7","10","9","6","8","1") = "9"
    & skf18("7","7","10","9","6","9","1") = "9"
    & skf18("7","7","10","9","6","10","1") = "9"
    & skf18("7","7","10","9","7","1","1") = "9"
    & skf18("7","7","10","9","7","2","1") = "9"
    & skf18("7","7","10","9","7","3","1") = "9"
    & skf18("7","7","10","9","7","4","1") = "9"
    & skf18("7","7","10","9","7","5","1") = "9"
    & skf18("7","7","10","9","7","6","1") = "9"
    & skf18("7","7","10","9","7","7","1") = "9"
    & skf18("7","7","10","9","7","8","1") = "9"
    & skf18("7","7","10","9","7","9","1") = "9"
    & skf18("7","7","10","9","7","10","1") = "9"
    & skf18("7","7","10","9","8","1","1") = "9"
    & skf18("7","7","10","9","8","2","1") = "9"
    & skf18("7","7","10","9","8","3","1") = "9"
    & skf18("7","7","10","9","8","4","1") = "9"
    & skf18("7","7","10","9","8","5","1") = "9"
    & skf18("7","7","10","9","8","6","1") = "9"
    & skf18("7","7","10","9","8","7","1") = "9"
    & skf18("7","7","10","9","8","8","1") = "9"
    & skf18("7","7","10","9","8","9","1") = "9"
    & skf18("7","7","10","9","8","10","1") = "9"
    & skf18("7","7","10","9","9","1","1") = "9"
    & skf18("7","7","10","9","9","2","1") = "9"
    & skf18("7","7","10","9","9","3","1") = "9"
    & skf18("7","7","10","9","9","4","1") = "9"
    & skf18("7","7","10","9","9","5","1") = "9"
    & skf18("7","7","10","9","9","6","1") = "9"
    & skf18("7","7","10","9","9","7","1") = "9"
    & skf18("7","7","10","9","9","8","1") = "9"
    & skf18("7","7","10","9","9","9","1") = "9"
    & skf18("7","7","10","9","9","10","1") = "9"
    & skf18("7","7","10","9","10","1","1") = "9"
    & skf18("7","7","10","9","10","2","1") = "9"
    & skf18("7","7","10","9","10","3","1") = "9"
    & skf18("7","7","10","9","10","4","1") = "9"
    & skf18("7","7","10","9","10","5","1") = "9"
    & skf18("7","7","10","9","10","6","1") = "9"
    & skf18("7","7","10","9","10","7","1") = "9"
    & skf18("7","7","10","9","10","8","1") = "9"
    & skf18("7","7","10","9","10","9","1") = "9"
    & skf18("7","7","10","9","10","10","1") = "9"
    & skf18("7","7","10","10","1","1","1") = "9"
    & skf18("7","7","10","10","1","2","1") = "9"
    & skf18("7","7","10","10","1","3","1") = "9"
    & skf18("7","7","10","10","1","4","1") = "9"
    & skf18("7","7","10","10","1","5","1") = "9"
    & skf18("7","7","10","10","1","6","1") = "9"
    & skf18("7","7","10","10","1","7","1") = "9"
    & skf18("7","7","10","10","1","8","1") = "9"
    & skf18("7","7","10","10","1","9","1") = "9"
    & skf18("7","7","10","10","1","10","1") = "9"
    & skf18("7","7","10","10","2","1","1") = "9"
    & skf18("7","7","10","10","2","2","1") = "9"
    & skf18("7","7","10","10","2","3","1") = "9"
    & skf18("7","7","10","10","2","4","1") = "9"
    & skf18("7","7","10","10","2","5","1") = "9"
    & skf18("7","7","10","10","2","6","1") = "9"
    & skf18("7","7","10","10","2","7","1") = "9"
    & skf18("7","7","10","10","2","8","1") = "9"
    & skf18("7","7","10","10","2","9","1") = "9"
    & skf18("7","7","10","10","2","10","1") = "9"
    & skf18("7","7","10","10","3","1","1") = "9"
    & skf18("7","7","10","10","3","2","1") = "9"
    & skf18("7","7","10","10","3","3","1") = "9"
    & skf18("7","7","10","10","3","4","1") = "9"
    & skf18("7","7","10","10","3","5","1") = "9"
    & skf18("7","7","10","10","3","6","1") = "9"
    & skf18("7","7","10","10","3","7","1") = "9"
    & skf18("7","7","10","10","3","8","1") = "9"
    & skf18("7","7","10","10","3","9","1") = "9"
    & skf18("7","7","10","10","3","10","1") = "9"
    & skf18("7","7","10","10","4","1","1") = "9"
    & skf18("7","7","10","10","4","2","1") = "9"
    & skf18("7","7","10","10","4","3","1") = "9"
    & skf18("7","7","10","10","4","4","1") = "9"
    & skf18("7","7","10","10","4","5","1") = "9"
    & skf18("7","7","10","10","4","6","1") = "9"
    & skf18("7","7","10","10","4","7","1") = "9"
    & skf18("7","7","10","10","4","8","1") = "9"
    & skf18("7","7","10","10","4","9","1") = "9"
    & skf18("7","7","10","10","4","10","1") = "9"
    & skf18("7","7","10","10","5","1","1") = "9"
    & skf18("7","7","10","10","5","2","1") = "9"
    & skf18("7","7","10","10","5","3","1") = "9"
    & skf18("7","7","10","10","5","4","1") = "9"
    & skf18("7","7","10","10","5","5","1") = "9"
    & skf18("7","7","10","10","5","6","1") = "9"
    & skf18("7","7","10","10","5","7","1") = "9"
    & skf18("7","7","10","10","5","8","1") = "9"
    & skf18("7","7","10","10","5","9","1") = "9"
    & skf18("7","7","10","10","5","10","1") = "9"
    & skf18("7","7","10","10","6","1","1") = "9"
    & skf18("7","7","10","10","6","2","1") = "9"
    & skf18("7","7","10","10","6","3","1") = "9"
    & skf18("7","7","10","10","6","4","1") = "9"
    & skf18("7","7","10","10","6","5","1") = "9"
    & skf18("7","7","10","10","6","6","1") = "9"
    & skf18("7","7","10","10","6","7","1") = "9"
    & skf18("7","7","10","10","6","8","1") = "9"
    & skf18("7","7","10","10","6","9","1") = "9"
    & skf18("7","7","10","10","6","10","1") = "9"
    & skf18("7","7","10","10","7","1","1") = "9"
    & skf18("7","7","10","10","7","2","1") = "9"
    & skf18("7","7","10","10","7","3","1") = "9"
    & skf18("7","7","10","10","7","4","1") = "9"
    & skf18("7","7","10","10","7","5","1") = "9"
    & skf18("7","7","10","10","7","6","1") = "9"
    & skf18("7","7","10","10","7","7","1") = "9"
    & skf18("7","7","10","10","7","8","1") = "9"
    & skf18("7","7","10","10","7","9","1") = "9"
    & skf18("7","7","10","10","7","10","1") = "9"
    & skf18("7","7","10","10","8","1","1") = "9"
    & skf18("7","7","10","10","8","2","1") = "9"
    & skf18("7","7","10","10","8","3","1") = "9"
    & skf18("7","7","10","10","8","4","1") = "9"
    & skf18("7","7","10","10","8","5","1") = "9"
    & skf18("7","7","10","10","8","6","1") = "9"
    & skf18("7","7","10","10","8","7","1") = "9"
    & skf18("7","7","10","10","8","8","1") = "9"
    & skf18("7","7","10","10","8","9","1") = "9"
    & skf18("7","7","10","10","8","10","1") = "9"
    & skf18("7","7","10","10","9","1","1") = "9"
    & skf18("7","7","10","10","9","2","1") = "9"
    & skf18("7","7","10","10","9","3","1") = "9"
    & skf18("7","7","10","10","9","4","1") = "9"
    & skf18("7","7","10","10","9","5","1") = "9"
    & skf18("7","7","10","10","9","6","1") = "9"
    & skf18("7","7","10","10","9","7","1") = "9"
    & skf18("7","7","10","10","9","8","1") = "9"
    & skf18("7","7","10","10","9","9","1") = "9"
    & skf18("7","7","10","10","9","10","1") = "9"
    & skf18("7","7","10","10","10","1","1") = "9"
    & skf18("7","7","10","10","10","2","1") = "9"
    & skf18("7","7","10","10","10","3","1") = "9"
    & skf18("7","7","10","10","10","4","1") = "9"
    & skf18("7","7","10","10","10","5","1") = "9"
    & skf18("7","7","10","10","10","6","1") = "9"
    & skf18("7","7","10","10","10","7","1") = "9"
    & skf18("7","7","10","10","10","8","1") = "9"
    & skf18("7","7","10","10","10","9","1") = "9"
    & skf18("7","7","10","10","10","10","1") = "9"
    & skf18("7","8","1","1","1","1","1") = "7"
    & skf18("7","8","1","1","1","2","1") = "7"
    & skf18("7","8","1","1","1","3","1") = "7"
    & skf18("7","8","1","1","1","4","1") = "7"
    & skf18("7","8","1","1","1","5","1") = "7"
    & skf18("7","8","1","1","1","6","1") = "7"
    & skf18("7","8","1","1","1","7","1") = "7"
    & skf18("7","8","1","1","1","8","1") = "7"
    & skf18("7","8","1","1","1","9","1") = "8"
    & skf18("7","8","1","1","1","10","1") = "9"
    & skf18("7","8","1","1","2","1","1") = "7"
    & skf18("7","8","1","1","2","2","1") = "7"
    & skf18("7","8","1","1","2","3","1") = "7"
    & skf18("7","8","1","1","2","4","1") = "7"
    & skf18("7","8","1","1","2","5","1") = "7"
    & skf18("7","8","1","1","2","6","1") = "7"
    & skf18("7","8","1","1","2","7","1") = "7"
    & skf18("7","8","1","1","2","8","1") = "7"
    & skf18("7","8","1","1","2","9","1") = "8"
    & skf18("7","8","1","1","2","10","1") = "9"
    & skf18("7","8","1","1","3","1","1") = "7"
    & skf18("7","8","1","1","3","2","1") = "7"
    & skf18("7","8","1","1","3","3","1") = "7"
    & skf18("7","8","1","1","3","4","1") = "7"
    & skf18("7","8","1","1","3","5","1") = "7"
    & skf18("7","8","1","1","3","6","1") = "7"
    & skf18("7","8","1","1","3","7","1") = "7"
    & skf18("7","8","1","1","3","8","1") = "7"
    & skf18("7","8","1","1","3","9","1") = "8"
    & skf18("7","8","1","1","3","10","1") = "9"
    & skf18("7","8","1","1","4","1","1") = "7"
    & skf18("7","8","1","1","4","2","1") = "7"
    & skf18("7","8","1","1","4","3","1") = "7"
    & skf18("7","8","1","1","4","4","1") = "7"
    & skf18("7","8","1","1","4","5","1") = "7"
    & skf18("7","8","1","1","4","6","1") = "7"
    & skf18("7","8","1","1","4","7","1") = "7"
    & skf18("7","8","1","1","4","8","1") = "7"
    & skf18("7","8","1","1","4","9","1") = "8"
    & skf18("7","8","1","1","4","10","1") = "9"
    & skf18("7","8","1","1","5","1","1") = "7"
    & skf18("7","8","1","1","5","2","1") = "7"
    & skf18("7","8","1","1","5","3","1") = "7"
    & skf18("7","8","1","1","5","4","1") = "7"
    & skf18("7","8","1","1","5","5","1") = "7"
    & skf18("7","8","1","1","5","6","1") = "7"
    & skf18("7","8","1","1","5","7","1") = "7"
    & skf18("7","8","1","1","5","8","1") = "7"
    & skf18("7","8","1","1","5","9","1") = "8"
    & skf18("7","8","1","1","5","10","1") = "9"
    & skf18("7","8","1","1","6","1","1") = "7"
    & skf18("7","8","1","1","6","2","1") = "7"
    & skf18("7","8","1","1","6","3","1") = "7"
    & skf18("7","8","1","1","6","4","1") = "7"
    & skf18("7","8","1","1","6","5","1") = "7"
    & skf18("7","8","1","1","6","6","1") = "7"
    & skf18("7","8","1","1","6","7","1") = "7"
    & skf18("7","8","1","1","6","8","1") = "7"
    & skf18("7","8","1","1","6","9","1") = "8"
    & skf18("7","8","1","1","6","10","1") = "9"
    & skf18("7","8","1","1","7","1","1") = "7"
    & skf18("7","8","1","1","7","2","1") = "7"
    & skf18("7","8","1","1","7","3","1") = "7"
    & skf18("7","8","1","1","7","4","1") = "7"
    & skf18("7","8","1","1","7","5","1") = "7"
    & skf18("7","8","1","1","7","6","1") = "7"
    & skf18("7","8","1","1","7","7","1") = "7"
    & skf18("7","8","1","1","7","8","1") = "7"
    & skf18("7","8","1","1","7","9","1") = "8"
    & skf18("7","8","1","1","7","10","1") = "9"
    & skf18("7","8","1","1","8","1","1") = "7"
    & skf18("7","8","1","1","8","2","1") = "7"
    & skf18("7","8","1","1","8","3","1") = "7"
    & skf18("7","8","1","1","8","4","1") = "7"
    & skf18("7","8","1","1","8","5","1") = "7"
    & skf18("7","8","1","1","8","6","1") = "7"
    & skf18("7","8","1","1","8","7","1") = "7"
    & skf18("7","8","1","1","8","8","1") = "7"
    & skf18("7","8","1","1","8","9","1") = "8"
    & skf18("7","8","1","1","8","10","1") = "9"
    & skf18("7","8","1","1","9","1","1") = "8"
    & skf18("7","8","1","1","9","2","1") = "8"
    & skf18("7","8","1","1","9","3","1") = "8"
    & skf18("7","8","1","1","9","4","1") = "8"
    & skf18("7","8","1","1","9","5","1") = "8"
    & skf18("7","8","1","1","9","6","1") = "8"
    & skf18("7","8","1","1","9","7","1") = "8"
    & skf18("7","8","1","1","9","8","1") = "8"
    & skf18("7","8","1","1","9","9","1") = "8"
    & skf18("7","8","1","1","9","10","1") = "9"
    & skf18("7","8","1","1","10","1","1") = "9"
    & skf18("7","8","1","1","10","2","1") = "9"
    & skf18("7","8","1","1","10","3","1") = "9"
    & skf18("7","8","1","1","10","4","1") = "9"
    & skf18("7","8","1","1","10","5","1") = "9"
    & skf18("7","8","1","1","10","6","1") = "9"
    & skf18("7","8","1","1","10","7","1") = "9"
    & skf18("7","8","1","1","10","8","1") = "9"
    & skf18("7","8","1","1","10","9","1") = "9"
    & skf18("7","8","1","1","10","10","1") = "9"
    & skf18("7","8","1","2","1","1","1") = "7"
    & skf18("7","8","1","2","1","2","1") = "7"
    & skf18("7","8","1","2","1","3","1") = "7"
    & skf18("7","8","1","2","1","4","1") = "7"
    & skf18("7","8","1","2","1","5","1") = "7"
    & skf18("7","8","1","2","1","6","1") = "7"
    & skf18("7","8","1","2","1","7","1") = "7"
    & skf18("7","8","1","2","1","8","1") = "7"
    & skf18("7","8","1","2","1","9","1") = "8"
    & skf18("7","8","1","2","1","10","1") = "9"
    & skf18("7","8","1","2","2","1","1") = "7"
    & skf18("7","8","1","2","2","2","1") = "7"
    & skf18("7","8","1","2","2","3","1") = "7"
    & skf18("7","8","1","2","2","4","1") = "7"
    & skf18("7","8","1","2","2","5","1") = "7"
    & skf18("7","8","1","2","2","6","1") = "7"
    & skf18("7","8","1","2","2","7","1") = "7"
    & skf18("7","8","1","2","2","8","1") = "7"
    & skf18("7","8","1","2","2","9","1") = "8"
    & skf18("7","8","1","2","2","10","1") = "9"
    & skf18("7","8","1","2","3","1","1") = "7"
    & skf18("7","8","1","2","3","2","1") = "7"
    & skf18("7","8","1","2","3","3","1") = "7"
    & skf18("7","8","1","2","3","4","1") = "7"
    & skf18("7","8","1","2","3","5","1") = "7"
    & skf18("7","8","1","2","3","6","1") = "7"
    & skf18("7","8","1","2","3","7","1") = "7"
    & skf18("7","8","1","2","3","8","1") = "7"
    & skf18("7","8","1","2","3","9","1") = "8"
    & skf18("7","8","1","2","3","10","1") = "9"
    & skf18("7","8","1","2","4","1","1") = "7"
    & skf18("7","8","1","2","4","2","1") = "7"
    & skf18("7","8","1","2","4","3","1") = "7"
    & skf18("7","8","1","2","4","4","1") = "7"
    & skf18("7","8","1","2","4","5","1") = "7"
    & skf18("7","8","1","2","4","6","1") = "7"
    & skf18("7","8","1","2","4","7","1") = "7"
    & skf18("7","8","1","2","4","8","1") = "7"
    & skf18("7","8","1","2","4","9","1") = "8"
    & skf18("7","8","1","2","4","10","1") = "9"
    & skf18("7","8","1","2","5","1","1") = "7"
    & skf18("7","8","1","2","5","2","1") = "7"
    & skf18("7","8","1","2","5","3","1") = "7"
    & skf18("7","8","1","2","5","4","1") = "7"
    & skf18("7","8","1","2","5","5","1") = "7"
    & skf18("7","8","1","2","5","6","1") = "7"
    & skf18("7","8","1","2","5","7","1") = "7"
    & skf18("7","8","1","2","5","8","1") = "7"
    & skf18("7","8","1","2","5","9","1") = "8"
    & skf18("7","8","1","2","5","10","1") = "9"
    & skf18("7","8","1","2","6","1","1") = "7"
    & skf18("7","8","1","2","6","2","1") = "7"
    & skf18("7","8","1","2","6","3","1") = "7"
    & skf18("7","8","1","2","6","4","1") = "7"
    & skf18("7","8","1","2","6","5","1") = "7"
    & skf18("7","8","1","2","6","6","1") = "7"
    & skf18("7","8","1","2","6","7","1") = "7"
    & skf18("7","8","1","2","6","8","1") = "7"
    & skf18("7","8","1","2","6","9","1") = "8"
    & skf18("7","8","1","2","6","10","1") = "9"
    & skf18("7","8","1","2","7","1","1") = "7"
    & skf18("7","8","1","2","7","2","1") = "7"
    & skf18("7","8","1","2","7","3","1") = "7"
    & skf18("7","8","1","2","7","4","1") = "7"
    & skf18("7","8","1","2","7","5","1") = "7"
    & skf18("7","8","1","2","7","6","1") = "7"
    & skf18("7","8","1","2","7","7","1") = "7"
    & skf18("7","8","1","2","7","8","1") = "7"
    & skf18("7","8","1","2","7","9","1") = "8"
    & skf18("7","8","1","2","7","10","1") = "9"
    & skf18("7","8","1","2","8","1","1") = "7"
    & skf18("7","8","1","2","8","2","1") = "7"
    & skf18("7","8","1","2","8","3","1") = "7"
    & skf18("7","8","1","2","8","4","1") = "7"
    & skf18("7","8","1","2","8","5","1") = "7"
    & skf18("7","8","1","2","8","6","1") = "7"
    & skf18("7","8","1","2","8","7","1") = "7"
    & skf18("7","8","1","2","8","8","1") = "7"
    & skf18("7","8","1","2","8","9","1") = "8"
    & skf18("7","8","1","2","8","10","1") = "9"
    & skf18("7","8","1","2","9","1","1") = "8"
    & skf18("7","8","1","2","9","2","1") = "8"
    & skf18("7","8","1","2","9","3","1") = "8"
    & skf18("7","8","1","2","9","4","1") = "8"
    & skf18("7","8","1","2","9","5","1") = "8"
    & skf18("7","8","1","2","9","6","1") = "8"
    & skf18("7","8","1","2","9","7","1") = "8"
    & skf18("7","8","1","2","9","8","1") = "8"
    & skf18("7","8","1","2","9","9","1") = "8"
    & skf18("7","8","1","2","9","10","1") = "9"
    & skf18("7","8","1","2","10","1","1") = "9"
    & skf18("7","8","1","2","10","2","1") = "9"
    & skf18("7","8","1","2","10","3","1") = "9"
    & skf18("7","8","1","2","10","4","1") = "9"
    & skf18("7","8","1","2","10","5","1") = "9"
    & skf18("7","8","1","2","10","6","1") = "9"
    & skf18("7","8","1","2","10","7","1") = "9"
    & skf18("7","8","1","2","10","8","1") = "9"
    & skf18("7","8","1","2","10","9","1") = "9"
    & skf18("7","8","1","2","10","10","1") = "9"
    & skf18("7","8","1","3","1","1","1") = "7"
    & skf18("7","8","1","3","1","2","1") = "7"
    & skf18("7","8","1","3","1","3","1") = "7"
    & skf18("7","8","1","3","1","4","1") = "7"
    & skf18("7","8","1","3","1","5","1") = "7"
    & skf18("7","8","1","3","1","6","1") = "7"
    & skf18("7","8","1","3","1","7","1") = "7"
    & skf18("7","8","1","3","1","8","1") = "7"
    & skf18("7","8","1","3","1","9","1") = "8"
    & skf18("7","8","1","3","1","10","1") = "9"
    & skf18("7","8","1","3","2","1","1") = "7"
    & skf18("7","8","1","3","2","2","1") = "7"
    & skf18("7","8","1","3","2","3","1") = "7"
    & skf18("7","8","1","3","2","4","1") = "7"
    & skf18("7","8","1","3","2","5","1") = "7"
    & skf18("7","8","1","3","2","6","1") = "7"
    & skf18("7","8","1","3","2","7","1") = "7"
    & skf18("7","8","1","3","2","8","1") = "7"
    & skf18("7","8","1","3","2","9","1") = "8"
    & skf18("7","8","1","3","2","10","1") = "9"
    & skf18("7","8","1","3","3","1","1") = "7"
    & skf18("7","8","1","3","3","2","1") = "7"
    & skf18("7","8","1","3","3","3","1") = "7"
    & skf18("7","8","1","3","3","4","1") = "7"
    & skf18("7","8","1","3","3","5","1") = "7"
    & skf18("7","8","1","3","3","6","1") = "7"
    & skf18("7","8","1","3","3","7","1") = "7"
    & skf18("7","8","1","3","3","8","1") = "7"
    & skf18("7","8","1","3","3","9","1") = "8"
    & skf18("7","8","1","3","3","10","1") = "9"
    & skf18("7","8","1","3","4","1","1") = "7"
    & skf18("7","8","1","3","4","2","1") = "7"
    & skf18("7","8","1","3","4","3","1") = "7"
    & skf18("7","8","1","3","4","4","1") = "7"
    & skf18("7","8","1","3","4","5","1") = "7"
    & skf18("7","8","1","3","4","6","1") = "7"
    & skf18("7","8","1","3","4","7","1") = "7"
    & skf18("7","8","1","3","4","8","1") = "7"
    & skf18("7","8","1","3","4","9","1") = "8"
    & skf18("7","8","1","3","4","10","1") = "9"
    & skf18("7","8","1","3","5","1","1") = "7"
    & skf18("7","8","1","3","5","2","1") = "7"
    & skf18("7","8","1","3","5","3","1") = "7"
    & skf18("7","8","1","3","5","4","1") = "7"
    & skf18("7","8","1","3","5","5","1") = "7"
    & skf18("7","8","1","3","5","6","1") = "7"
    & skf18("7","8","1","3","5","7","1") = "7"
    & skf18("7","8","1","3","5","8","1") = "7"
    & skf18("7","8","1","3","5","9","1") = "8"
    & skf18("7","8","1","3","5","10","1") = "9"
    & skf18("7","8","1","3","6","1","1") = "7"
    & skf18("7","8","1","3","6","2","1") = "7"
    & skf18("7","8","1","3","6","3","1") = "7"
    & skf18("7","8","1","3","6","4","1") = "7"
    & skf18("7","8","1","3","6","5","1") = "7"
    & skf18("7","8","1","3","6","6","1") = "7"
    & skf18("7","8","1","3","6","7","1") = "7"
    & skf18("7","8","1","3","6","8","1") = "7"
    & skf18("7","8","1","3","6","9","1") = "8"
    & skf18("7","8","1","3","6","10","1") = "9"
    & skf18("7","8","1","3","7","1","1") = "7"
    & skf18("7","8","1","3","7","2","1") = "7"
    & skf18("7","8","1","3","7","3","1") = "7"
    & skf18("7","8","1","3","7","4","1") = "7"
    & skf18("7","8","1","3","7","5","1") = "7"
    & skf18("7","8","1","3","7","6","1") = "7"
    & skf18("7","8","1","3","7","7","1") = "7"
    & skf18("7","8","1","3","7","8","1") = "7"
    & skf18("7","8","1","3","7","9","1") = "8"
    & skf18("7","8","1","3","7","10","1") = "9"
    & skf18("7","8","1","3","8","1","1") = "7"
    & skf18("7","8","1","3","8","2","1") = "7"
    & skf18("7","8","1","3","8","3","1") = "7"
    & skf18("7","8","1","3","8","4","1") = "7"
    & skf18("7","8","1","3","8","5","1") = "7"
    & skf18("7","8","1","3","8","6","1") = "7"
    & skf18("7","8","1","3","8","7","1") = "7"
    & skf18("7","8","1","3","8","8","1") = "7"
    & skf18("7","8","1","3","8","9","1") = "8"
    & skf18("7","8","1","3","8","10","1") = "9"
    & skf18("7","8","1","3","9","1","1") = "8"
    & skf18("7","8","1","3","9","2","1") = "8"
    & skf18("7","8","1","3","9","3","1") = "8"
    & skf18("7","8","1","3","9","4","1") = "8"
    & skf18("7","8","1","3","9","5","1") = "8"
    & skf18("7","8","1","3","9","6","1") = "8"
    & skf18("7","8","1","3","9","7","1") = "8"
    & skf18("7","8","1","3","9","8","1") = "8"
    & skf18("7","8","1","3","9","9","1") = "8"
    & skf18("7","8","1","3","9","10","1") = "9"
    & skf18("7","8","1","3","10","1","1") = "9"
    & skf18("7","8","1","3","10","2","1") = "9"
    & skf18("7","8","1","3","10","3","1") = "9"
    & skf18("7","8","1","3","10","4","1") = "9"
    & skf18("7","8","1","3","10","5","1") = "9"
    & skf18("7","8","1","3","10","6","1") = "9"
    & skf18("7","8","1","3","10","7","1") = "9"
    & skf18("7","8","1","3","10","8","1") = "9"
    & skf18("7","8","1","3","10","9","1") = "9"
    & skf18("7","8","1","3","10","10","1") = "9"
    & skf18("7","8","1","4","1","1","1") = "7"
    & skf18("7","8","1","4","1","2","1") = "7"
    & skf18("7","8","1","4","1","3","1") = "7"
    & skf18("7","8","1","4","1","4","1") = "7"
    & skf18("7","8","1","4","1","5","1") = "7"
    & skf18("7","8","1","4","1","6","1") = "7"
    & skf18("7","8","1","4","1","7","1") = "7"
    & skf18("7","8","1","4","1","8","1") = "7"
    & skf18("7","8","1","4","1","9","1") = "8"
    & skf18("7","8","1","4","1","10","1") = "9"
    & skf18("7","8","1","4","2","1","1") = "7"
    & skf18("7","8","1","4","2","2","1") = "7"
    & skf18("7","8","1","4","2","3","1") = "7"
    & skf18("7","8","1","4","2","4","1") = "7"
    & skf18("7","8","1","4","2","5","1") = "7"
    & skf18("7","8","1","4","2","6","1") = "7"
    & skf18("7","8","1","4","2","7","1") = "7"
    & skf18("7","8","1","4","2","8","1") = "7"
    & skf18("7","8","1","4","2","9","1") = "8"
    & skf18("7","8","1","4","2","10","1") = "9"
    & skf18("7","8","1","4","3","1","1") = "7"
    & skf18("7","8","1","4","3","2","1") = "7"
    & skf18("7","8","1","4","3","3","1") = "7"
    & skf18("7","8","1","4","3","4","1") = "7"
    & skf18("7","8","1","4","3","5","1") = "7"
    & skf18("7","8","1","4","3","6","1") = "7"
    & skf18("7","8","1","4","3","7","1") = "7"
    & skf18("7","8","1","4","3","8","1") = "7"
    & skf18("7","8","1","4","3","9","1") = "8"
    & skf18("7","8","1","4","3","10","1") = "9"
    & skf18("7","8","1","4","4","1","1") = "7"
    & skf18("7","8","1","4","4","2","1") = "7"
    & skf18("7","8","1","4","4","3","1") = "7"
    & skf18("7","8","1","4","4","4","1") = "7"
    & skf18("7","8","1","4","4","5","1") = "7"
    & skf18("7","8","1","4","4","6","1") = "7"
    & skf18("7","8","1","4","4","7","1") = "7"
    & skf18("7","8","1","4","4","8","1") = "7"
    & skf18("7","8","1","4","4","9","1") = "8"
    & skf18("7","8","1","4","4","10","1") = "9"
    & skf18("7","8","1","4","5","1","1") = "7"
    & skf18("7","8","1","4","5","2","1") = "7"
    & skf18("7","8","1","4","5","3","1") = "7"
    & skf18("7","8","1","4","5","4","1") = "7"
    & skf18("7","8","1","4","5","5","1") = "7"
    & skf18("7","8","1","4","5","6","1") = "7"
    & skf18("7","8","1","4","5","7","1") = "7"
    & skf18("7","8","1","4","5","8","1") = "7"
    & skf18("7","8","1","4","5","9","1") = "8"
    & skf18("7","8","1","4","5","10","1") = "9"
    & skf18("7","8","1","4","6","1","1") = "7"
    & skf18("7","8","1","4","6","2","1") = "7"
    & skf18("7","8","1","4","6","3","1") = "7"
    & skf18("7","8","1","4","6","4","1") = "7"
    & skf18("7","8","1","4","6","5","1") = "7"
    & skf18("7","8","1","4","6","6","1") = "7"
    & skf18("7","8","1","4","6","7","1") = "7"
    & skf18("7","8","1","4","6","8","1") = "7"
    & skf18("7","8","1","4","6","9","1") = "8"
    & skf18("7","8","1","4","6","10","1") = "9"
    & skf18("7","8","1","4","7","1","1") = "7"
    & skf18("7","8","1","4","7","2","1") = "7"
    & skf18("7","8","1","4","7","3","1") = "7"
    & skf18("7","8","1","4","7","4","1") = "7"
    & skf18("7","8","1","4","7","5","1") = "7"
    & skf18("7","8","1","4","7","6","1") = "7"
    & skf18("7","8","1","4","7","7","1") = "7"
    & skf18("7","8","1","4","7","8","1") = "7"
    & skf18("7","8","1","4","7","9","1") = "8"
    & skf18("7","8","1","4","7","10","1") = "9"
    & skf18("7","8","1","4","8","1","1") = "7"
    & skf18("7","8","1","4","8","2","1") = "7"
    & skf18("7","8","1","4","8","3","1") = "7"
    & skf18("7","8","1","4","8","4","1") = "7"
    & skf18("7","8","1","4","8","5","1") = "7"
    & skf18("7","8","1","4","8","6","1") = "7"
    & skf18("7","8","1","4","8","7","1") = "7"
    & skf18("7","8","1","4","8","8","1") = "7"
    & skf18("7","8","1","4","8","9","1") = "8"
    & skf18("7","8","1","4","8","10","1") = "9"
    & skf18("7","8","1","4","9","1","1") = "8"
    & skf18("7","8","1","4","9","2","1") = "8"
    & skf18("7","8","1","4","9","3","1") = "8"
    & skf18("7","8","1","4","9","4","1") = "8"
    & skf18("7","8","1","4","9","5","1") = "8"
    & skf18("7","8","1","4","9","6","1") = "8"
    & skf18("7","8","1","4","9","7","1") = "8"
    & skf18("7","8","1","4","9","8","1") = "8"
    & skf18("7","8","1","4","9","9","1") = "8"
    & skf18("7","8","1","4","9","10","1") = "9"
    & skf18("7","8","1","4","10","1","1") = "9"
    & skf18("7","8","1","4","10","2","1") = "9"
    & skf18("7","8","1","4","10","3","1") = "9"
    & skf18("7","8","1","4","10","4","1") = "9"
    & skf18("7","8","1","4","10","5","1") = "9"
    & skf18("7","8","1","4","10","6","1") = "9"
    & skf18("7","8","1","4","10","7","1") = "9"
    & skf18("7","8","1","4","10","8","1") = "9"
    & skf18("7","8","1","4","10","9","1") = "9"
    & skf18("7","8","1","4","10","10","1") = "9"
    & skf18("7","8","1","5","1","1","1") = "7"
    & skf18("7","8","1","5","1","2","1") = "7"
    & skf18("7","8","1","5","1","3","1") = "7"
    & skf18("7","8","1","5","1","4","1") = "7"
    & skf18("7","8","1","5","1","5","1") = "7"
    & skf18("7","8","1","5","1","6","1") = "7"
    & skf18("7","8","1","5","1","7","1") = "7"
    & skf18("7","8","1","5","1","8","1") = "7"
    & skf18("7","8","1","5","1","9","1") = "8"
    & skf18("7","8","1","5","1","10","1") = "9"
    & skf18("7","8","1","5","2","1","1") = "7"
    & skf18("7","8","1","5","2","2","1") = "7"
    & skf18("7","8","1","5","2","3","1") = "7"
    & skf18("7","8","1","5","2","4","1") = "7"
    & skf18("7","8","1","5","2","5","1") = "7"
    & skf18("7","8","1","5","2","6","1") = "7"
    & skf18("7","8","1","5","2","7","1") = "7"
    & skf18("7","8","1","5","2","8","1") = "7"
    & skf18("7","8","1","5","2","9","1") = "8"
    & skf18("7","8","1","5","2","10","1") = "9"
    & skf18("7","8","1","5","3","1","1") = "7"
    & skf18("7","8","1","5","3","2","1") = "7"
    & skf18("7","8","1","5","3","3","1") = "7"
    & skf18("7","8","1","5","3","4","1") = "7"
    & skf18("7","8","1","5","3","5","1") = "7"
    & skf18("7","8","1","5","3","6","1") = "7"
    & skf18("7","8","1","5","3","7","1") = "7"
    & skf18("7","8","1","5","3","8","1") = "7"
    & skf18("7","8","1","5","3","9","1") = "8"
    & skf18("7","8","1","5","3","10","1") = "9"
    & skf18("7","8","1","5","4","1","1") = "7"
    & skf18("7","8","1","5","4","2","1") = "7"
    & skf18("7","8","1","5","4","3","1") = "7"
    & skf18("7","8","1","5","4","4","1") = "7"
    & skf18("7","8","1","5","4","5","1") = "7"
    & skf18("7","8","1","5","4","6","1") = "7"
    & skf18("7","8","1","5","4","7","1") = "7"
    & skf18("7","8","1","5","4","8","1") = "7"
    & skf18("7","8","1","5","4","9","1") = "8"
    & skf18("7","8","1","5","4","10","1") = "9"
    & skf18("7","8","1","5","5","1","1") = "7"
    & skf18("7","8","1","5","5","2","1") = "7"
    & skf18("7","8","1","5","5","3","1") = "7"
    & skf18("7","8","1","5","5","4","1") = "7"
    & skf18("7","8","1","5","5","5","1") = "7"
    & skf18("7","8","1","5","5","6","1") = "7"
    & skf18("7","8","1","5","5","7","1") = "7"
    & skf18("7","8","1","5","5","8","1") = "7"
    & skf18("7","8","1","5","5","9","1") = "8"
    & skf18("7","8","1","5","5","10","1") = "9"
    & skf18("7","8","1","5","6","1","1") = "7"
    & skf18("7","8","1","5","6","2","1") = "7"
    & skf18("7","8","1","5","6","3","1") = "7"
    & skf18("7","8","1","5","6","4","1") = "7"
    & skf18("7","8","1","5","6","5","1") = "7"
    & skf18("7","8","1","5","6","6","1") = "7"
    & skf18("7","8","1","5","6","7","1") = "7"
    & skf18("7","8","1","5","6","8","1") = "7"
    & skf18("7","8","1","5","6","9","1") = "8"
    & skf18("7","8","1","5","6","10","1") = "9"
    & skf18("7","8","1","5","7","1","1") = "7"
    & skf18("7","8","1","5","7","2","1") = "7"
    & skf18("7","8","1","5","7","3","1") = "7"
    & skf18("7","8","1","5","7","4","1") = "7"
    & skf18("7","8","1","5","7","5","1") = "7"
    & skf18("7","8","1","5","7","6","1") = "7"
    & skf18("7","8","1","5","7","7","1") = "7"
    & skf18("7","8","1","5","7","8","1") = "7"
    & skf18("7","8","1","5","7","9","1") = "8"
    & skf18("7","8","1","5","7","10","1") = "9"
    & skf18("7","8","1","5","8","1","1") = "7"
    & skf18("7","8","1","5","8","2","1") = "7"
    & skf18("7","8","1","5","8","3","1") = "7"
    & skf18("7","8","1","5","8","4","1") = "7"
    & skf18("7","8","1","5","8","5","1") = "7"
    & skf18("7","8","1","5","8","6","1") = "7"
    & skf18("7","8","1","5","8","7","1") = "7"
    & skf18("7","8","1","5","8","8","1") = "7"
    & skf18("7","8","1","5","8","9","1") = "8"
    & skf18("7","8","1","5","8","10","1") = "9"
    & skf18("7","8","1","5","9","1","1") = "8"
    & skf18("7","8","1","5","9","2","1") = "8"
    & skf18("7","8","1","5","9","3","1") = "8"
    & skf18("7","8","1","5","9","4","1") = "8"
    & skf18("7","8","1","5","9","5","1") = "8"
    & skf18("7","8","1","5","9","6","1") = "8"
    & skf18("7","8","1","5","9","7","1") = "8"
    & skf18("7","8","1","5","9","8","1") = "8"
    & skf18("7","8","1","5","9","9","1") = "8"
    & skf18("7","8","1","5","9","10","1") = "9"
    & skf18("7","8","1","5","10","1","1") = "9"
    & skf18("7","8","1","5","10","2","1") = "9"
    & skf18("7","8","1","5","10","3","1") = "9"
    & skf18("7","8","1","5","10","4","1") = "9"
    & skf18("7","8","1","5","10","5","1") = "9"
    & skf18("7","8","1","5","10","6","1") = "9"
    & skf18("7","8","1","5","10","7","1") = "9"
    & skf18("7","8","1","5","10","8","1") = "9"
    & skf18("7","8","1","5","10","9","1") = "9"
    & skf18("7","8","1","5","10","10","1") = "9"
    & skf18("7","8","1","6","1","1","1") = "7"
    & skf18("7","8","1","6","1","2","1") = "7"
    & skf18("7","8","1","6","1","3","1") = "7"
    & skf18("7","8","1","6","1","4","1") = "7"
    & skf18("7","8","1","6","1","5","1") = "7"
    & skf18("7","8","1","6","1","6","1") = "7"
    & skf18("7","8","1","6","1","7","1") = "7"
    & skf18("7","8","1","6","1","8","1") = "7"
    & skf18("7","8","1","6","1","9","1") = "8"
    & skf18("7","8","1","6","1","10","1") = "9"
    & skf18("7","8","1","6","2","1","1") = "7"
    & skf18("7","8","1","6","2","2","1") = "7"
    & skf18("7","8","1","6","2","3","1") = "7"
    & skf18("7","8","1","6","2","4","1") = "7"
    & skf18("7","8","1","6","2","5","1") = "7"
    & skf18("7","8","1","6","2","6","1") = "7"
    & skf18("7","8","1","6","2","7","1") = "7"
    & skf18("7","8","1","6","2","8","1") = "7"
    & skf18("7","8","1","6","2","9","1") = "8"
    & skf18("7","8","1","6","2","10","1") = "9"
    & skf18("7","8","1","6","3","1","1") = "7"
    & skf18("7","8","1","6","3","2","1") = "7"
    & skf18("7","8","1","6","3","3","1") = "7"
    & skf18("7","8","1","6","3","4","1") = "7"
    & skf18("7","8","1","6","3","5","1") = "7"
    & skf18("7","8","1","6","3","6","1") = "7"
    & skf18("7","8","1","6","3","7","1") = "7"
    & skf18("7","8","1","6","3","8","1") = "7"
    & skf18("7","8","1","6","3","9","1") = "8"
    & skf18("7","8","1","6","3","10","1") = "9"
    & skf18("7","8","1","6","4","1","1") = "7"
    & skf18("7","8","1","6","4","2","1") = "7"
    & skf18("7","8","1","6","4","3","1") = "7"
    & skf18("7","8","1","6","4","4","1") = "7"
    & skf18("7","8","1","6","4","5","1") = "7"
    & skf18("7","8","1","6","4","6","1") = "7"
    & skf18("7","8","1","6","4","7","1") = "7"
    & skf18("7","8","1","6","4","8","1") = "7"
    & skf18("7","8","1","6","4","9","1") = "8"
    & skf18("7","8","1","6","4","10","1") = "9"
    & skf18("7","8","1","6","5","1","1") = "7"
    & skf18("7","8","1","6","5","2","1") = "7"
    & skf18("7","8","1","6","5","3","1") = "7"
    & skf18("7","8","1","6","5","4","1") = "7"
    & skf18("7","8","1","6","5","5","1") = "7"
    & skf18("7","8","1","6","5","6","1") = "7"
    & skf18("7","8","1","6","5","7","1") = "7"
    & skf18("7","8","1","6","5","8","1") = "7"
    & skf18("7","8","1","6","5","9","1") = "8"
    & skf18("7","8","1","6","5","10","1") = "9"
    & skf18("7","8","1","6","6","1","1") = "7"
    & skf18("7","8","1","6","6","2","1") = "7"
    & skf18("7","8","1","6","6","3","1") = "7"
    & skf18("7","8","1","6","6","4","1") = "7"
    & skf18("7","8","1","6","6","5","1") = "7"
    & skf18("7","8","1","6","6","6","1") = "7"
    & skf18("7","8","1","6","6","7","1") = "7"
    & skf18("7","8","1","6","6","8","1") = "7"
    & skf18("7","8","1","6","6","9","1") = "8"
    & skf18("7","8","1","6","6","10","1") = "9"
    & skf18("7","8","1","6","7","1","1") = "7"
    & skf18("7","8","1","6","7","2","1") = "7"
    & skf18("7","8","1","6","7","3","1") = "7"
    & skf18("7","8","1","6","7","4","1") = "7"
    & skf18("7","8","1","6","7","5","1") = "7"
    & skf18("7","8","1","6","7","6","1") = "7"
    & skf18("7","8","1","6","7","7","1") = "7"
    & skf18("7","8","1","6","7","8","1") = "7"
    & skf18("7","8","1","6","7","9","1") = "8"
    & skf18("7","8","1","6","7","10","1") = "9"
    & skf18("7","8","1","6","8","1","1") = "7"
    & skf18("7","8","1","6","8","2","1") = "7"
    & skf18("7","8","1","6","8","3","1") = "7"
    & skf18("7","8","1","6","8","4","1") = "7"
    & skf18("7","8","1","6","8","5","1") = "7"
    & skf18("7","8","1","6","8","6","1") = "7"
    & skf18("7","8","1","6","8","7","1") = "7"
    & skf18("7","8","1","6","8","8","1") = "7"
    & skf18("7","8","1","6","8","9","1") = "8"
    & skf18("7","8","1","6","8","10","1") = "9"
    & skf18("7","8","1","6","9","1","1") = "8"
    & skf18("7","8","1","6","9","2","1") = "8"
    & skf18("7","8","1","6","9","3","1") = "8"
    & skf18("7","8","1","6","9","4","1") = "8"
    & skf18("7","8","1","6","9","5","1") = "8"
    & skf18("7","8","1","6","9","6","1") = "8"
    & skf18("7","8","1","6","9","7","1") = "8"
    & skf18("7","8","1","6","9","8","1") = "8"
    & skf18("7","8","1","6","9","9","1") = "8"
    & skf18("7","8","1","6","9","10","1") = "9"
    & skf18("7","8","1","6","10","1","1") = "9"
    & skf18("7","8","1","6","10","2","1") = "9"
    & skf18("7","8","1","6","10","3","1") = "9"
    & skf18("7","8","1","6","10","4","1") = "9"
    & skf18("7","8","1","6","10","5","1") = "9"
    & skf18("7","8","1","6","10","6","1") = "9"
    & skf18("7","8","1","6","10","7","1") = "9"
    & skf18("7","8","1","6","10","8","1") = "9"
    & skf18("7","8","1","6","10","9","1") = "9"
    & skf18("7","8","1","6","10","10","1") = "9"
    & skf18("7","8","1","7","1","1","1") = "7"
    & skf18("7","8","1","7","1","2","1") = "7"
    & skf18("7","8","1","7","1","3","1") = "7"
    & skf18("7","8","1","7","1","4","1") = "7"
    & skf18("7","8","1","7","1","5","1") = "7"
    & skf18("7","8","1","7","1","6","1") = "7"
    & skf18("7","8","1","7","1","7","1") = "7"
    & skf18("7","8","1","7","1","8","1") = "7"
    & skf18("7","8","1","7","1","9","1") = "8"
    & skf18("7","8","1","7","1","10","1") = "9"
    & skf18("7","8","1","7","2","1","1") = "7"
    & skf18("7","8","1","7","2","2","1") = "7"
    & skf18("7","8","1","7","2","3","1") = "7"
    & skf18("7","8","1","7","2","4","1") = "7"
    & skf18("7","8","1","7","2","5","1") = "7"
    & skf18("7","8","1","7","2","6","1") = "7"
    & skf18("7","8","1","7","2","7","1") = "7"
    & skf18("7","8","1","7","2","8","1") = "7"
    & skf18("7","8","1","7","2","9","1") = "8"
    & skf18("7","8","1","7","2","10","1") = "9"
    & skf18("7","8","1","7","3","1","1") = "7"
    & skf18("7","8","1","7","3","2","1") = "7"
    & skf18("7","8","1","7","3","3","1") = "7"
    & skf18("7","8","1","7","3","4","1") = "7"
    & skf18("7","8","1","7","3","5","1") = "7"
    & skf18("7","8","1","7","3","6","1") = "7"
    & skf18("7","8","1","7","3","7","1") = "7"
    & skf18("7","8","1","7","3","8","1") = "7"
    & skf18("7","8","1","7","3","9","1") = "8"
    & skf18("7","8","1","7","3","10","1") = "9"
    & skf18("7","8","1","7","4","1","1") = "7"
    & skf18("7","8","1","7","4","2","1") = "7"
    & skf18("7","8","1","7","4","3","1") = "7"
    & skf18("7","8","1","7","4","4","1") = "7"
    & skf18("7","8","1","7","4","5","1") = "7"
    & skf18("7","8","1","7","4","6","1") = "7"
    & skf18("7","8","1","7","4","7","1") = "7"
    & skf18("7","8","1","7","4","8","1") = "7"
    & skf18("7","8","1","7","4","9","1") = "8"
    & skf18("7","8","1","7","4","10","1") = "9"
    & skf18("7","8","1","7","5","1","1") = "7"
    & skf18("7","8","1","7","5","2","1") = "7"
    & skf18("7","8","1","7","5","3","1") = "7"
    & skf18("7","8","1","7","5","4","1") = "7"
    & skf18("7","8","1","7","5","5","1") = "7"
    & skf18("7","8","1","7","5","6","1") = "7"
    & skf18("7","8","1","7","5","7","1") = "7"
    & skf18("7","8","1","7","5","8","1") = "7"
    & skf18("7","8","1","7","5","9","1") = "8"
    & skf18("7","8","1","7","5","10","1") = "9"
    & skf18("7","8","1","7","6","1","1") = "7"
    & skf18("7","8","1","7","6","2","1") = "7"
    & skf18("7","8","1","7","6","3","1") = "7"
    & skf18("7","8","1","7","6","4","1") = "7"
    & skf18("7","8","1","7","6","5","1") = "7"
    & skf18("7","8","1","7","6","6","1") = "7"
    & skf18("7","8","1","7","6","7","1") = "7"
    & skf18("7","8","1","7","6","8","1") = "7"
    & skf18("7","8","1","7","6","9","1") = "8"
    & skf18("7","8","1","7","6","10","1") = "9"
    & skf18("7","8","1","7","7","1","1") = "7"
    & skf18("7","8","1","7","7","2","1") = "7"
    & skf18("7","8","1","7","7","3","1") = "7"
    & skf18("7","8","1","7","7","4","1") = "7"
    & skf18("7","8","1","7","7","5","1") = "7"
    & skf18("7","8","1","7","7","6","1") = "7"
    & skf18("7","8","1","7","7","7","1") = "7"
    & skf18("7","8","1","7","7","8","1") = "7"
    & skf18("7","8","1","7","7","9","1") = "8"
    & skf18("7","8","1","7","7","10","1") = "9"
    & skf18("7","8","1","7","8","1","1") = "7"
    & skf18("7","8","1","7","8","2","1") = "7"
    & skf18("7","8","1","7","8","3","1") = "7"
    & skf18("7","8","1","7","8","4","1") = "7"
    & skf18("7","8","1","7","8","5","1") = "7"
    & skf18("7","8","1","7","8","6","1") = "7"
    & skf18("7","8","1","7","8","7","1") = "7"
    & skf18("7","8","1","7","8","8","1") = "7"
    & skf18("7","8","1","7","8","9","1") = "8"
    & skf18("7","8","1","7","8","10","1") = "9"
    & skf18("7","8","1","7","9","1","1") = "8"
    & skf18("7","8","1","7","9","2","1") = "8"
    & skf18("7","8","1","7","9","3","1") = "8"
    & skf18("7","8","1","7","9","4","1") = "8"
    & skf18("7","8","1","7","9","5","1") = "8"
    & skf18("7","8","1","7","9","6","1") = "8"
    & skf18("7","8","1","7","9","7","1") = "8"
    & skf18("7","8","1","7","9","8","1") = "8"
    & skf18("7","8","1","7","9","9","1") = "8"
    & skf18("7","8","1","7","9","10","1") = "9"
    & skf18("7","8","1","7","10","1","1") = "9"
    & skf18("7","8","1","7","10","2","1") = "9"
    & skf18("7","8","1","7","10","3","1") = "9"
    & skf18("7","8","1","7","10","4","1") = "9"
    & skf18("7","8","1","7","10","5","1") = "9"
    & skf18("7","8","1","7","10","6","1") = "9"
    & skf18("7","8","1","7","10","7","1") = "9"
    & skf18("7","8","1","7","10","8","1") = "9"
    & skf18("7","8","1","7","10","9","1") = "9"
    & skf18("7","8","1","7","10","10","1") = "9"
    & skf18("7","8","1","8","1","1","1") = "7"
    & skf18("7","8","1","8","1","2","1") = "7"
    & skf18("7","8","1","8","1","3","1") = "7"
    & skf18("7","8","1","8","1","4","1") = "7"
    & skf18("7","8","1","8","1","5","1") = "7"
    & skf18("7","8","1","8","1","6","1") = "7"
    & skf18("7","8","1","8","1","7","1") = "7"
    & skf18("7","8","1","8","1","8","1") = "7"
    & skf18("7","8","1","8","1","9","1") = "8"
    & skf18("7","8","1","8","1","10","1") = "9"
    & skf18("7","8","1","8","2","1","1") = "7"
    & skf18("7","8","1","8","2","2","1") = "7"
    & skf18("7","8","1","8","2","3","1") = "7"
    & skf18("7","8","1","8","2","4","1") = "7"
    & skf18("7","8","1","8","2","5","1") = "7"
    & skf18("7","8","1","8","2","6","1") = "7"
    & skf18("7","8","1","8","2","7","1") = "7"
    & skf18("7","8","1","8","2","8","1") = "7"
    & skf18("7","8","1","8","2","9","1") = "8"
    & skf18("7","8","1","8","2","10","1") = "9"
    & skf18("7","8","1","8","3","1","1") = "7"
    & skf18("7","8","1","8","3","2","1") = "7"
    & skf18("7","8","1","8","3","3","1") = "7"
    & skf18("7","8","1","8","3","4","1") = "7"
    & skf18("7","8","1","8","3","5","1") = "7"
    & skf18("7","8","1","8","3","6","1") = "7"
    & skf18("7","8","1","8","3","7","1") = "7"
    & skf18("7","8","1","8","3","8","1") = "7"
    & skf18("7","8","1","8","3","9","1") = "8"
    & skf18("7","8","1","8","3","10","1") = "9"
    & skf18("7","8","1","8","4","1","1") = "7"
    & skf18("7","8","1","8","4","2","1") = "7"
    & skf18("7","8","1","8","4","3","1") = "7"
    & skf18("7","8","1","8","4","4","1") = "7"
    & skf18("7","8","1","8","4","5","1") = "7"
    & skf18("7","8","1","8","4","6","1") = "7"
    & skf18("7","8","1","8","4","7","1") = "7"
    & skf18("7","8","1","8","4","8","1") = "7"
    & skf18("7","8","1","8","4","9","1") = "8"
    & skf18("7","8","1","8","4","10","1") = "9"
    & skf18("7","8","1","8","5","1","1") = "7"
    & skf18("7","8","1","8","5","2","1") = "7"
    & skf18("7","8","1","8","5","3","1") = "7"
    & skf18("7","8","1","8","5","4","1") = "7"
    & skf18("7","8","1","8","5","5","1") = "7"
    & skf18("7","8","1","8","5","6","1") = "7"
    & skf18("7","8","1","8","5","7","1") = "7"
    & skf18("7","8","1","8","5","8","1") = "7"
    & skf18("7","8","1","8","5","9","1") = "8"
    & skf18("7","8","1","8","5","10","1") = "9"
    & skf18("7","8","1","8","6","1","1") = "7"
    & skf18("7","8","1","8","6","2","1") = "7"
    & skf18("7","8","1","8","6","3","1") = "7"
    & skf18("7","8","1","8","6","4","1") = "7"
    & skf18("7","8","1","8","6","5","1") = "7"
    & skf18("7","8","1","8","6","6","1") = "7"
    & skf18("7","8","1","8","6","7","1") = "7"
    & skf18("7","8","1","8","6","8","1") = "7"
    & skf18("7","8","1","8","6","9","1") = "8"
    & skf18("7","8","1","8","6","10","1") = "9"
    & skf18("7","8","1","8","7","1","1") = "7"
    & skf18("7","8","1","8","7","2","1") = "7"
    & skf18("7","8","1","8","7","3","1") = "7"
    & skf18("7","8","1","8","7","4","1") = "7"
    & skf18("7","8","1","8","7","5","1") = "7"
    & skf18("7","8","1","8","7","6","1") = "7"
    & skf18("7","8","1","8","7","7","1") = "7"
    & skf18("7","8","1","8","7","8","1") = "7"
    & skf18("7","8","1","8","7","9","1") = "8"
    & skf18("7","8","1","8","7","10","1") = "9"
    & skf18("7","8","1","8","8","1","1") = "7"
    & skf18("7","8","1","8","8","2","1") = "7"
    & skf18("7","8","1","8","8","3","1") = "7"
    & skf18("7","8","1","8","8","4","1") = "7"
    & skf18("7","8","1","8","8","5","1") = "7"
    & skf18("7","8","1","8","8","6","1") = "7"
    & skf18("7","8","1","8","8","7","1") = "7"
    & skf18("7","8","1","8","8","8","1") = "7"
    & skf18("7","8","1","8","8","9","1") = "8"
    & skf18("7","8","1","8","8","10","1") = "9"
    & skf18("7","8","1","8","9","1","1") = "8"
    & skf18("7","8","1","8","9","2","1") = "8"
    & skf18("7","8","1","8","9","3","1") = "8"
    & skf18("7","8","1","8","9","4","1") = "8"
    & skf18("7","8","1","8","9","5","1") = "8"
    & skf18("7","8","1","8","9","6","1") = "8"
    & skf18("7","8","1","8","9","7","1") = "8"
    & skf18("7","8","1","8","9","8","1") = "8"
    & skf18("7","8","1","8","9","9","1") = "8"
    & skf18("7","8","1","8","9","10","1") = "9"
    & skf18("7","8","1","8","10","1","1") = "9"
    & skf18("7","8","1","8","10","2","1") = "9"
    & skf18("7","8","1","8","10","3","1") = "9"
    & skf18("7","8","1","8","10","4","1") = "9"
    & skf18("7","8","1","8","10","5","1") = "9"
    & skf18("7","8","1","8","10","6","1") = "9"
    & skf18("7","8","1","8","10","7","1") = "9"
    & skf18("7","8","1","8","10","8","1") = "9"
    & skf18("7","8","1","8","10","9","1") = "9"
    & skf18("7","8","1","8","10","10","1") = "9"
    & skf18("7","8","1","9","1","1","1") = "8"
    & skf18("7","8","1","9","1","2","1") = "8"
    & skf18("7","8","1","9","1","3","1") = "8"
    & skf18("7","8","1","9","1","4","1") = "8"
    & skf18("7","8","1","9","1","5","1") = "8"
    & skf18("7","8","1","9","1","6","1") = "8"
    & skf18("7","8","1","9","1","7","1") = "8"
    & skf18("7","8","1","9","1","8","1") = "8"
    & skf18("7","8","1","9","1","9","1") = "8"
    & skf18("7","8","1","9","1","10","1") = "9"
    & skf18("7","8","1","9","2","1","1") = "8"
    & skf18("7","8","1","9","2","2","1") = "8"
    & skf18("7","8","1","9","2","3","1") = "8"
    & skf18("7","8","1","9","2","4","1") = "8"
    & skf18("7","8","1","9","2","5","1") = "8"
    & skf18("7","8","1","9","2","6","1") = "8"
    & skf18("7","8","1","9","2","7","1") = "8"
    & skf18("7","8","1","9","2","8","1") = "8"
    & skf18("7","8","1","9","2","9","1") = "8"
    & skf18("7","8","1","9","2","10","1") = "9"
    & skf18("7","8","1","9","3","1","1") = "8"
    & skf18("7","8","1","9","3","2","1") = "8"
    & skf18("7","8","1","9","3","3","1") = "8"
    & skf18("7","8","1","9","3","4","1") = "8"
    & skf18("7","8","1","9","3","5","1") = "8"
    & skf18("7","8","1","9","3","6","1") = "8"
    & skf18("7","8","1","9","3","7","1") = "8"
    & skf18("7","8","1","9","3","8","1") = "8"
    & skf18("7","8","1","9","3","9","1") = "8"
    & skf18("7","8","1","9","3","10","1") = "9"
    & skf18("7","8","1","9","4","1","1") = "8"
    & skf18("7","8","1","9","4","2","1") = "8"
    & skf18("7","8","1","9","4","3","1") = "8"
    & skf18("7","8","1","9","4","4","1") = "8"
    & skf18("7","8","1","9","4","5","1") = "8"
    & skf18("7","8","1","9","4","6","1") = "8"
    & skf18("7","8","1","9","4","7","1") = "8"
    & skf18("7","8","1","9","4","8","1") = "8"
    & skf18("7","8","1","9","4","9","1") = "8"
    & skf18("7","8","1","9","4","10","1") = "9"
    & skf18("7","8","1","9","5","1","1") = "8"
    & skf18("7","8","1","9","5","2","1") = "8"
    & skf18("7","8","1","9","5","3","1") = "8"
    & skf18("7","8","1","9","5","4","1") = "8"
    & skf18("7","8","1","9","5","5","1") = "8"
    & skf18("7","8","1","9","5","6","1") = "8"
    & skf18("7","8","1","9","5","7","1") = "8"
    & skf18("7","8","1","9","5","8","1") = "8"
    & skf18("7","8","1","9","5","9","1") = "8"
    & skf18("7","8","1","9","5","10","1") = "9"
    & skf18("7","8","1","9","6","1","1") = "8"
    & skf18("7","8","1","9","6","2","1") = "8"
    & skf18("7","8","1","9","6","3","1") = "8"
    & skf18("7","8","1","9","6","4","1") = "8"
    & skf18("7","8","1","9","6","5","1") = "8"
    & skf18("7","8","1","9","6","6","1") = "8"
    & skf18("7","8","1","9","6","7","1") = "8"
    & skf18("7","8","1","9","6","8","1") = "8"
    & skf18("7","8","1","9","6","9","1") = "8"
    & skf18("7","8","1","9","6","10","1") = "9"
    & skf18("7","8","1","9","7","1","1") = "8"
    & skf18("7","8","1","9","7","2","1") = "8"
    & skf18("7","8","1","9","7","3","1") = "8"
    & skf18("7","8","1","9","7","4","1") = "8"
    & skf18("7","8","1","9","7","5","1") = "8"
    & skf18("7","8","1","9","7","6","1") = "8"
    & skf18("7","8","1","9","7","7","1") = "8"
    & skf18("7","8","1","9","7","8","1") = "8"
    & skf18("7","8","1","9","7","9","1") = "8"
    & skf18("7","8","1","9","7","10","1") = "9"
    & skf18("7","8","1","9","8","1","1") = "8"
    & skf18("7","8","1","9","8","2","1") = "8"
    & skf18("7","8","1","9","8","3","1") = "8"
    & skf18("7","8","1","9","8","4","1") = "8"
    & skf18("7","8","1","9","8","5","1") = "8"
    & skf18("7","8","1","9","8","6","1") = "8"
    & skf18("7","8","1","9","8","7","1") = "8"
    & skf18("7","8","1","9","8","8","1") = "8"
    & skf18("7","8","1","9","8","9","1") = "8"
    & skf18("7","8","1","9","8","10","1") = "9"
    & skf18("7","8","1","9","9","1","1") = "8"
    & skf18("7","8","1","9","9","2","1") = "8"
    & skf18("7","8","1","9","9","3","1") = "8"
    & skf18("7","8","1","9","9","4","1") = "8"
    & skf18("7","8","1","9","9","5","1") = "8"
    & skf18("7","8","1","9","9","6","1") = "8"
    & skf18("7","8","1","9","9","7","1") = "8"
    & skf18("7","8","1","9","9","8","1") = "8"
    & skf18("7","8","1","9","9","9","1") = "8"
    & skf18("7","8","1","9","9","10","1") = "9"
    & skf18("7","8","1","9","10","1","1") = "9"
    & skf18("7","8","1","9","10","2","1") = "9"
    & skf18("7","8","1","9","10","3","1") = "9"
    & skf18("7","8","1","9","10","4","1") = "9"
    & skf18("7","8","1","9","10","5","1") = "9"
    & skf18("7","8","1","9","10","6","1") = "9"
    & skf18("7","8","1","9","10","7","1") = "9"
    & skf18("7","8","1","9","10","8","1") = "9"
    & skf18("7","8","1","9","10","9","1") = "9"
    & skf18("7","8","1","9","10","10","1") = "9"
    & skf18("7","8","1","10","1","1","1") = "9"
    & skf18("7","8","1","10","1","2","1") = "9"
    & skf18("7","8","1","10","1","3","1") = "9"
    & skf18("7","8","1","10","1","4","1") = "9"
    & skf18("7","8","1","10","1","5","1") = "9"
    & skf18("7","8","1","10","1","6","1") = "9"
    & skf18("7","8","1","10","1","7","1") = "9"
    & skf18("7","8","1","10","1","8","1") = "9"
    & skf18("7","8","1","10","1","9","1") = "9"
    & skf18("7","8","1","10","1","10","1") = "9"
    & skf18("7","8","1","10","2","1","1") = "9"
    & skf18("7","8","1","10","2","2","1") = "9"
    & skf18("7","8","1","10","2","3","1") = "9"
    & skf18("7","8","1","10","2","4","1") = "9"
    & skf18("7","8","1","10","2","5","1") = "9"
    & skf18("7","8","1","10","2","6","1") = "9"
    & skf18("7","8","1","10","2","7","1") = "9"
    & skf18("7","8","1","10","2","8","1") = "9"
    & skf18("7","8","1","10","2","9","1") = "9"
    & skf18("7","8","1","10","2","10","1") = "9"
    & skf18("7","8","1","10","3","1","1") = "9"
    & skf18("7","8","1","10","3","2","1") = "9"
    & skf18("7","8","1","10","3","3","1") = "9"
    & skf18("7","8","1","10","3","4","1") = "9"
    & skf18("7","8","1","10","3","5","1") = "9"
    & skf18("7","8","1","10","3","6","1") = "9"
    & skf18("7","8","1","10","3","7","1") = "9"
    & skf18("7","8","1","10","3","8","1") = "9"
    & skf18("7","8","1","10","3","9","1") = "9"
    & skf18("7","8","1","10","3","10","1") = "9"
    & skf18("7","8","1","10","4","1","1") = "9"
    & skf18("7","8","1","10","4","2","1") = "9"
    & skf18("7","8","1","10","4","3","1") = "9"
    & skf18("7","8","1","10","4","4","1") = "9"
    & skf18("7","8","1","10","4","5","1") = "9"
    & skf18("7","8","1","10","4","6","1") = "9"
    & skf18("7","8","1","10","4","7","1") = "9"
    & skf18("7","8","1","10","4","8","1") = "9"
    & skf18("7","8","1","10","4","9","1") = "9"
    & skf18("7","8","1","10","4","10","1") = "9"
    & skf18("7","8","1","10","5","1","1") = "9"
    & skf18("7","8","1","10","5","2","1") = "9"
    & skf18("7","8","1","10","5","3","1") = "9"
    & skf18("7","8","1","10","5","4","1") = "9"
    & skf18("7","8","1","10","5","5","1") = "9"
    & skf18("7","8","1","10","5","6","1") = "9"
    & skf18("7","8","1","10","5","7","1") = "9"
    & skf18("7","8","1","10","5","8","1") = "9"
    & skf18("7","8","1","10","5","9","1") = "9"
    & skf18("7","8","1","10","5","10","1") = "9"
    & skf18("7","8","1","10","6","1","1") = "9"
    & skf18("7","8","1","10","6","2","1") = "9"
    & skf18("7","8","1","10","6","3","1") = "9"
    & skf18("7","8","1","10","6","4","1") = "9"
    & skf18("7","8","1","10","6","5","1") = "9"
    & skf18("7","8","1","10","6","6","1") = "9"
    & skf18("7","8","1","10","6","7","1") = "9"
    & skf18("7","8","1","10","6","8","1") = "9"
    & skf18("7","8","1","10","6","9","1") = "9"
    & skf18("7","8","1","10","6","10","1") = "9"
    & skf18("7","8","1","10","7","1","1") = "9"
    & skf18("7","8","1","10","7","2","1") = "9"
    & skf18("7","8","1","10","7","3","1") = "9"
    & skf18("7","8","1","10","7","4","1") = "9"
    & skf18("7","8","1","10","7","5","1") = "9"
    & skf18("7","8","1","10","7","6","1") = "9"
    & skf18("7","8","1","10","7","7","1") = "9"
    & skf18("7","8","1","10","7","8","1") = "9"
    & skf18("7","8","1","10","7","9","1") = "9"
    & skf18("7","8","1","10","7","10","1") = "9"
    & skf18("7","8","1","10","8","1","1") = "9"
    & skf18("7","8","1","10","8","2","1") = "9"
    & skf18("7","8","1","10","8","3","1") = "9"
    & skf18("7","8","1","10","8","4","1") = "9"
    & skf18("7","8","1","10","8","5","1") = "9"
    & skf18("7","8","1","10","8","6","1") = "9"
    & skf18("7","8","1","10","8","7","1") = "9"
    & skf18("7","8","1","10","8","8","1") = "9"
    & skf18("7","8","1","10","8","9","1") = "9"
    & skf18("7","8","1","10","8","10","1") = "9"
    & skf18("7","8","1","10","9","1","1") = "9"
    & skf18("7","8","1","10","9","2","1") = "9"
    & skf18("7","8","1","10","9","3","1") = "9"
    & skf18("7","8","1","10","9","4","1") = "9"
    & skf18("7","8","1","10","9","5","1") = "9"
    & skf18("7","8","1","10","9","6","1") = "9"
    & skf18("7","8","1","10","9","7","1") = "9"
    & skf18("7","8","1","10","9","8","1") = "9"
    & skf18("7","8","1","10","9","9","1") = "9"
    & skf18("7","8","1","10","9","10","1") = "9"
    & skf18("7","8","1","10","10","1","1") = "9"
    & skf18("7","8","1","10","10","2","1") = "9"
    & skf18("7","8","1","10","10","3","1") = "9"
    & skf18("7","8","1","10","10","4","1") = "9"
    & skf18("7","8","1","10","10","5","1") = "9"
    & skf18("7","8","1","10","10","6","1") = "9"
    & skf18("7","8","1","10","10","7","1") = "9"
    & skf18("7","8","1","10","10","8","1") = "9"
    & skf18("7","8","1","10","10","9","1") = "9"
    & skf18("7","8","1","10","10","10","1") = "9"
    & skf18("7","8","2","1","1","1","1") = "7"
    & skf18("7","8","2","1","1","2","1") = "7"
    & skf18("7","8","2","1","1","3","1") = "7"
    & skf18("7","8","2","1","1","4","1") = "7"
    & skf18("7","8","2","1","1","5","1") = "7"
    & skf18("7","8","2","1","1","6","1") = "7"
    & skf18("7","8","2","1","1","7","1") = "7"
    & skf18("7","8","2","1","1","8","1") = "7"
    & skf18("7","8","2","1","1","9","1") = "8"
    & skf18("7","8","2","1","1","10","1") = "9"
    & skf18("7","8","2","1","2","1","1") = "7"
    & skf18("7","8","2","1","2","2","1") = "7"
    & skf18("7","8","2","1","2","3","1") = "7"
    & skf18("7","8","2","1","2","4","1") = "7"
    & skf18("7","8","2","1","2","5","1") = "7"
    & skf18("7","8","2","1","2","6","1") = "7"
    & skf18("7","8","2","1","2","7","1") = "7"
    & skf18("7","8","2","1","2","8","1") = "7"
    & skf18("7","8","2","1","2","9","1") = "8"
    & skf18("7","8","2","1","2","10","1") = "9"
    & skf18("7","8","2","1","3","1","1") = "7"
    & skf18("7","8","2","1","3","2","1") = "7"
    & skf18("7","8","2","1","3","3","1") = "7"
    & skf18("7","8","2","1","3","4","1") = "7"
    & skf18("7","8","2","1","3","5","1") = "7"
    & skf18("7","8","2","1","3","6","1") = "7"
    & skf18("7","8","2","1","3","7","1") = "7"
    & skf18("7","8","2","1","3","8","1") = "7"
    & skf18("7","8","2","1","3","9","1") = "8"
    & skf18("7","8","2","1","3","10","1") = "9"
    & skf18("7","8","2","1","4","1","1") = "7"
    & skf18("7","8","2","1","4","2","1") = "7"
    & skf18("7","8","2","1","4","3","1") = "7"
    & skf18("7","8","2","1","4","4","1") = "7"
    & skf18("7","8","2","1","4","5","1") = "7"
    & skf18("7","8","2","1","4","6","1") = "7"
    & skf18("7","8","2","1","4","7","1") = "7"
    & skf18("7","8","2","1","4","8","1") = "7"
    & skf18("7","8","2","1","4","9","1") = "8"
    & skf18("7","8","2","1","4","10","1") = "9"
    & skf18("7","8","2","1","5","1","1") = "7"
    & skf18("7","8","2","1","5","2","1") = "7"
    & skf18("7","8","2","1","5","3","1") = "7"
    & skf18("7","8","2","1","5","4","1") = "7"
    & skf18("7","8","2","1","5","5","1") = "7"
    & skf18("7","8","2","1","5","6","1") = "7"
    & skf18("7","8","2","1","5","7","1") = "7"
    & skf18("7","8","2","1","5","8","1") = "7"
    & skf18("7","8","2","1","5","9","1") = "8"
    & skf18("7","8","2","1","5","10","1") = "9"
    & skf18("7","8","2","1","6","1","1") = "7"
    & skf18("7","8","2","1","6","2","1") = "7"
    & skf18("7","8","2","1","6","3","1") = "7"
    & skf18("7","8","2","1","6","4","1") = "7"
    & skf18("7","8","2","1","6","5","1") = "7"
    & skf18("7","8","2","1","6","6","1") = "7"
    & skf18("7","8","2","1","6","7","1") = "7"
    & skf18("7","8","2","1","6","8","1") = "7"
    & skf18("7","8","2","1","6","9","1") = "8"
    & skf18("7","8","2","1","6","10","1") = "9"
    & skf18("7","8","2","1","7","1","1") = "7"
    & skf18("7","8","2","1","7","2","1") = "7"
    & skf18("7","8","2","1","7","3","1") = "7"
    & skf18("7","8","2","1","7","4","1") = "7"
    & skf18("7","8","2","1","7","5","1") = "7"
    & skf18("7","8","2","1","7","6","1") = "7"
    & skf18("7","8","2","1","7","7","1") = "7"
    & skf18("7","8","2","1","7","8","1") = "7"
    & skf18("7","8","2","1","7","9","1") = "8"
    & skf18("7","8","2","1","7","10","1") = "9"
    & skf18("7","8","2","1","8","1","1") = "7"
    & skf18("7","8","2","1","8","2","1") = "7"
    & skf18("7","8","2","1","8","3","1") = "7"
    & skf18("7","8","2","1","8","4","1") = "7"
    & skf18("7","8","2","1","8","5","1") = "7"
    & skf18("7","8","2","1","8","6","1") = "7"
    & skf18("7","8","2","1","8","7","1") = "7"
    & skf18("7","8","2","1","8","8","1") = "7"
    & skf18("7","8","2","1","8","9","1") = "8"
    & skf18("7","8","2","1","8","10","1") = "9"
    & skf18("7","8","2","1","9","1","1") = "8"
    & skf18("7","8","2","1","9","2","1") = "8"
    & skf18("7","8","2","1","9","3","1") = "8"
    & skf18("7","8","2","1","9","4","1") = "8"
    & skf18("7","8","2","1","9","5","1") = "8"
    & skf18("7","8","2","1","9","6","1") = "8"
    & skf18("7","8","2","1","9","7","1") = "8"
    & skf18("7","8","2","1","9","8","1") = "8"
    & skf18("7","8","2","1","9","9","1") = "8"
    & skf18("7","8","2","1","9","10","1") = "9"
    & skf18("7","8","2","1","10","1","1") = "9"
    & skf18("7","8","2","1","10","2","1") = "9"
    & skf18("7","8","2","1","10","3","1") = "9"
    & skf18("7","8","2","1","10","4","1") = "9"
    & skf18("7","8","2","1","10","5","1") = "9"
    & skf18("7","8","2","1","10","6","1") = "9"
    & skf18("7","8","2","1","10","7","1") = "9"
    & skf18("7","8","2","1","10","8","1") = "9"
    & skf18("7","8","2","1","10","9","1") = "9"
    & skf18("7","8","2","1","10","10","1") = "9"
    & skf18("7","8","2","2","1","1","1") = "7"
    & skf18("7","8","2","2","1","2","1") = "7"
    & skf18("7","8","2","2","1","3","1") = "7"
    & skf18("7","8","2","2","1","4","1") = "7"
    & skf18("7","8","2","2","1","5","1") = "7"
    & skf18("7","8","2","2","1","6","1") = "7"
    & skf18("7","8","2","2","1","7","1") = "7"
    & skf18("7","8","2","2","1","8","1") = "7"
    & skf18("7","8","2","2","1","9","1") = "8"
    & skf18("7","8","2","2","1","10","1") = "9"
    & skf18("7","8","2","2","2","1","1") = "7"
    & skf18("7","8","2","2","2","2","1") = "7"
    & skf18("7","8","2","2","2","3","1") = "7"
    & skf18("7","8","2","2","2","4","1") = "7"
    & skf18("7","8","2","2","2","5","1") = "7"
    & skf18("7","8","2","2","2","6","1") = "7"
    & skf18("7","8","2","2","2","7","1") = "7"
    & skf18("7","8","2","2","2","8","1") = "7"
    & skf18("7","8","2","2","2","9","1") = "8"
    & skf18("7","8","2","2","2","10","1") = "9"
    & skf18("7","8","2","2","3","1","1") = "7"
    & skf18("7","8","2","2","3","2","1") = "7"
    & skf18("7","8","2","2","3","3","1") = "7"
    & skf18("7","8","2","2","3","4","1") = "7"
    & skf18("7","8","2","2","3","5","1") = "7"
    & skf18("7","8","2","2","3","6","1") = "7"
    & skf18("7","8","2","2","3","7","1") = "7"
    & skf18("7","8","2","2","3","8","1") = "7"
    & skf18("7","8","2","2","3","9","1") = "8"
    & skf18("7","8","2","2","3","10","1") = "9"
    & skf18("7","8","2","2","4","1","1") = "7"
    & skf18("7","8","2","2","4","2","1") = "7"
    & skf18("7","8","2","2","4","3","1") = "7"
    & skf18("7","8","2","2","4","4","1") = "7"
    & skf18("7","8","2","2","4","5","1") = "7"
    & skf18("7","8","2","2","4","6","1") = "7"
    & skf18("7","8","2","2","4","7","1") = "7"
    & skf18("7","8","2","2","4","8","1") = "7"
    & skf18("7","8","2","2","4","9","1") = "8"
    & skf18("7","8","2","2","4","10","1") = "9"
    & skf18("7","8","2","2","5","1","1") = "7"
    & skf18("7","8","2","2","5","2","1") = "7"
    & skf18("7","8","2","2","5","3","1") = "7"
    & skf18("7","8","2","2","5","4","1") = "7"
    & skf18("7","8","2","2","5","5","1") = "7"
    & skf18("7","8","2","2","5","6","1") = "7"
    & skf18("7","8","2","2","5","7","1") = "7"
    & skf18("7","8","2","2","5","8","1") = "7"
    & skf18("7","8","2","2","5","9","1") = "8"
    & skf18("7","8","2","2","5","10","1") = "9"
    & skf18("7","8","2","2","6","1","1") = "7"
    & skf18("7","8","2","2","6","2","1") = "7"
    & skf18("7","8","2","2","6","3","1") = "7"
    & skf18("7","8","2","2","6","4","1") = "7"
    & skf18("7","8","2","2","6","5","1") = "7"
    & skf18("7","8","2","2","6","6","1") = "7"
    & skf18("7","8","2","2","6","7","1") = "7"
    & skf18("7","8","2","2","6","8","1") = "7"
    & skf18("7","8","2","2","6","9","1") = "8"
    & skf18("7","8","2","2","6","10","1") = "9"
    & skf18("7","8","2","2","7","1","1") = "7"
    & skf18("7","8","2","2","7","2","1") = "7"
    & skf18("7","8","2","2","7","3","1") = "7"
    & skf18("7","8","2","2","7","4","1") = "7"
    & skf18("7","8","2","2","7","5","1") = "7"
    & skf18("7","8","2","2","7","6","1") = "7"
    & skf18("7","8","2","2","7","7","1") = "7"
    & skf18("7","8","2","2","7","8","1") = "7"
    & skf18("7","8","2","2","7","9","1") = "8"
    & skf18("7","8","2","2","7","10","1") = "9"
    & skf18("7","8","2","2","8","1","1") = "7"
    & skf18("7","8","2","2","8","2","1") = "7"
    & skf18("7","8","2","2","8","3","1") = "7"
    & skf18("7","8","2","2","8","4","1") = "7"
    & skf18("7","8","2","2","8","5","1") = "7"
    & skf18("7","8","2","2","8","6","1") = "7"
    & skf18("7","8","2","2","8","7","1") = "7"
    & skf18("7","8","2","2","8","8","1") = "7"
    & skf18("7","8","2","2","8","9","1") = "8"
    & skf18("7","8","2","2","8","10","1") = "9"
    & skf18("7","8","2","2","9","1","1") = "8"
    & skf18("7","8","2","2","9","2","1") = "8"
    & skf18("7","8","2","2","9","3","1") = "8"
    & skf18("7","8","2","2","9","4","1") = "8"
    & skf18("7","8","2","2","9","5","1") = "8"
    & skf18("7","8","2","2","9","6","1") = "8"
    & skf18("7","8","2","2","9","7","1") = "8"
    & skf18("7","8","2","2","9","8","1") = "8"
    & skf18("7","8","2","2","9","9","1") = "8"
    & skf18("7","8","2","2","9","10","1") = "9"
    & skf18("7","8","2","2","10","1","1") = "9"
    & skf18("7","8","2","2","10","2","1") = "9"
    & skf18("7","8","2","2","10","3","1") = "9"
    & skf18("7","8","2","2","10","4","1") = "9"
    & skf18("7","8","2","2","10","5","1") = "9"
    & skf18("7","8","2","2","10","6","1") = "9"
    & skf18("7","8","2","2","10","7","1") = "9"
    & skf18("7","8","2","2","10","8","1") = "9"
    & skf18("7","8","2","2","10","9","1") = "9"
    & skf18("7","8","2","2","10","10","1") = "9"
    & skf18("7","8","2","3","1","1","1") = "7"
    & skf18("7","8","2","3","1","2","1") = "7"
    & skf18("7","8","2","3","1","3","1") = "7"
    & skf18("7","8","2","3","1","4","1") = "7"
    & skf18("7","8","2","3","1","5","1") = "7"
    & skf18("7","8","2","3","1","6","1") = "7"
    & skf18("7","8","2","3","1","7","1") = "7"
    & skf18("7","8","2","3","1","8","1") = "7"
    & skf18("7","8","2","3","1","9","1") = "8"
    & skf18("7","8","2","3","1","10","1") = "9"
    & skf18("7","8","2","3","2","1","1") = "7"
    & skf18("7","8","2","3","2","2","1") = "7"
    & skf18("7","8","2","3","2","3","1") = "7"
    & skf18("7","8","2","3","2","4","1") = "7"
    & skf18("7","8","2","3","2","5","1") = "7"
    & skf18("7","8","2","3","2","6","1") = "7"
    & skf18("7","8","2","3","2","7","1") = "7"
    & skf18("7","8","2","3","2","8","1") = "7"
    & skf18("7","8","2","3","2","9","1") = "8"
    & skf18("7","8","2","3","2","10","1") = "9"
    & skf18("7","8","2","3","3","1","1") = "7"
    & skf18("7","8","2","3","3","2","1") = "7"
    & skf18("7","8","2","3","3","3","1") = "7"
    & skf18("7","8","2","3","3","4","1") = "7"
    & skf18("7","8","2","3","3","5","1") = "7"
    & skf18("7","8","2","3","3","6","1") = "7"
    & skf18("7","8","2","3","3","7","1") = "7"
    & skf18("7","8","2","3","3","8","1") = "7"
    & skf18("7","8","2","3","3","9","1") = "8"
    & skf18("7","8","2","3","3","10","1") = "9"
    & skf18("7","8","2","3","4","1","1") = "7"
    & skf18("7","8","2","3","4","2","1") = "7"
    & skf18("7","8","2","3","4","3","1") = "7"
    & skf18("7","8","2","3","4","4","1") = "7"
    & skf18("7","8","2","3","4","5","1") = "7"
    & skf18("7","8","2","3","4","6","1") = "7"
    & skf18("7","8","2","3","4","7","1") = "7"
    & skf18("7","8","2","3","4","8","1") = "7"
    & skf18("7","8","2","3","4","9","1") = "8"
    & skf18("7","8","2","3","4","10","1") = "9"
    & skf18("7","8","2","3","5","1","1") = "7"
    & skf18("7","8","2","3","5","2","1") = "7"
    & skf18("7","8","2","3","5","3","1") = "7"
    & skf18("7","8","2","3","5","4","1") = "7"
    & skf18("7","8","2","3","5","5","1") = "7"
    & skf18("7","8","2","3","5","6","1") = "7"
    & skf18("7","8","2","3","5","7","1") = "7"
    & skf18("7","8","2","3","5","8","1") = "7"
    & skf18("7","8","2","3","5","9","1") = "8"
    & skf18("7","8","2","3","5","10","1") = "9"
    & skf18("7","8","2","3","6","1","1") = "7"
    & skf18("7","8","2","3","6","2","1") = "7"
    & skf18("7","8","2","3","6","3","1") = "7"
    & skf18("7","8","2","3","6","4","1") = "7"
    & skf18("7","8","2","3","6","5","1") = "7"
    & skf18("7","8","2","3","6","6","1") = "7"
    & skf18("7","8","2","3","6","7","1") = "7"
    & skf18("7","8","2","3","6","8","1") = "7"
    & skf18("7","8","2","3","6","9","1") = "8"
    & skf18("7","8","2","3","6","10","1") = "9"
    & skf18("7","8","2","3","7","1","1") = "7"
    & skf18("7","8","2","3","7","2","1") = "7"
    & skf18("7","8","2","3","7","3","1") = "7"
    & skf18("7","8","2","3","7","4","1") = "7"
    & skf18("7","8","2","3","7","5","1") = "7"
    & skf18("7","8","2","3","7","6","1") = "7"
    & skf18("7","8","2","3","7","7","1") = "7"
    & skf18("7","8","2","3","7","8","1") = "7"
    & skf18("7","8","2","3","7","9","1") = "8"
    & skf18("7","8","2","3","7","10","1") = "9"
    & skf18("7","8","2","3","8","1","1") = "7"
    & skf18("7","8","2","3","8","2","1") = "7"
    & skf18("7","8","2","3","8","3","1") = "7"
    & skf18("7","8","2","3","8","4","1") = "7"
    & skf18("7","8","2","3","8","5","1") = "7"
    & skf18("7","8","2","3","8","6","1") = "7"
    & skf18("7","8","2","3","8","7","1") = "7"
    & skf18("7","8","2","3","8","8","1") = "7"
    & skf18("7","8","2","3","8","9","1") = "8"
    & skf18("7","8","2","3","8","10","1") = "9"
    & skf18("7","8","2","3","9","1","1") = "8"
    & skf18("7","8","2","3","9","2","1") = "8"
    & skf18("7","8","2","3","9","3","1") = "8"
    & skf18("7","8","2","3","9","4","1") = "8"
    & skf18("7","8","2","3","9","5","1") = "8"
    & skf18("7","8","2","3","9","6","1") = "8"
    & skf18("7","8","2","3","9","7","1") = "8"
    & skf18("7","8","2","3","9","8","1") = "8"
    & skf18("7","8","2","3","9","9","1") = "8"
    & skf18("7","8","2","3","9","10","1") = "9"
    & skf18("7","8","2","3","10","1","1") = "9"
    & skf18("7","8","2","3","10","2","1") = "9"
    & skf18("7","8","2","3","10","3","1") = "9"
    & skf18("7","8","2","3","10","4","1") = "9"
    & skf18("7","8","2","3","10","5","1") = "9"
    & skf18("7","8","2","3","10","6","1") = "9"
    & skf18("7","8","2","3","10","7","1") = "9"
    & skf18("7","8","2","3","10","8","1") = "9"
    & skf18("7","8","2","3","10","9","1") = "9"
    & skf18("7","8","2","3","10","10","1") = "9"
    & skf18("7","8","2","4","1","1","1") = "7"
    & skf18("7","8","2","4","1","2","1") = "7"
    & skf18("7","8","2","4","1","3","1") = "7"
    & skf18("7","8","2","4","1","4","1") = "7"
    & skf18("7","8","2","4","1","5","1") = "7"
    & skf18("7","8","2","4","1","6","1") = "7"
    & skf18("7","8","2","4","1","7","1") = "7"
    & skf18("7","8","2","4","1","8","1") = "7"
    & skf18("7","8","2","4","1","9","1") = "8"
    & skf18("7","8","2","4","1","10","1") = "9"
    & skf18("7","8","2","4","2","1","1") = "7"
    & skf18("7","8","2","4","2","2","1") = "7"
    & skf18("7","8","2","4","2","3","1") = "7"
    & skf18("7","8","2","4","2","4","1") = "7"
    & skf18("7","8","2","4","2","5","1") = "7"
    & skf18("7","8","2","4","2","6","1") = "7"
    & skf18("7","8","2","4","2","7","1") = "7"
    & skf18("7","8","2","4","2","8","1") = "7"
    & skf18("7","8","2","4","2","9","1") = "8"
    & skf18("7","8","2","4","2","10","1") = "9"
    & skf18("7","8","2","4","3","1","1") = "7"
    & skf18("7","8","2","4","3","2","1") = "7"
    & skf18("7","8","2","4","3","3","1") = "7"
    & skf18("7","8","2","4","3","4","1") = "7"
    & skf18("7","8","2","4","3","5","1") = "7"
    & skf18("7","8","2","4","3","6","1") = "7"
    & skf18("7","8","2","4","3","7","1") = "7"
    & skf18("7","8","2","4","3","8","1") = "7"
    & skf18("7","8","2","4","3","9","1") = "8"
    & skf18("7","8","2","4","3","10","1") = "9"
    & skf18("7","8","2","4","4","1","1") = "7"
    & skf18("7","8","2","4","4","2","1") = "7"
    & skf18("7","8","2","4","4","3","1") = "7"
    & skf18("7","8","2","4","4","4","1") = "7"
    & skf18("7","8","2","4","4","5","1") = "7"
    & skf18("7","8","2","4","4","6","1") = "7"
    & skf18("7","8","2","4","4","7","1") = "7"
    & skf18("7","8","2","4","4","8","1") = "7"
    & skf18("7","8","2","4","4","9","1") = "8"
    & skf18("7","8","2","4","4","10","1") = "9"
    & skf18("7","8","2","4","5","1","1") = "7"
    & skf18("7","8","2","4","5","2","1") = "7"
    & skf18("7","8","2","4","5","3","1") = "7"
    & skf18("7","8","2","4","5","4","1") = "7"
    & skf18("7","8","2","4","5","5","1") = "7"
    & skf18("7","8","2","4","5","6","1") = "7"
    & skf18("7","8","2","4","5","7","1") = "7"
    & skf18("7","8","2","4","5","8","1") = "7"
    & skf18("7","8","2","4","5","9","1") = "8"
    & skf18("7","8","2","4","5","10","1") = "9"
    & skf18("7","8","2","4","6","1","1") = "7"
    & skf18("7","8","2","4","6","2","1") = "7"
    & skf18("7","8","2","4","6","3","1") = "7"
    & skf18("7","8","2","4","6","4","1") = "7"
    & skf18("7","8","2","4","6","5","1") = "7"
    & skf18("7","8","2","4","6","6","1") = "7"
    & skf18("7","8","2","4","6","7","1") = "7"
    & skf18("7","8","2","4","6","8","1") = "7"
    & skf18("7","8","2","4","6","9","1") = "8"
    & skf18("7","8","2","4","6","10","1") = "9"
    & skf18("7","8","2","4","7","1","1") = "7"
    & skf18("7","8","2","4","7","2","1") = "7"
    & skf18("7","8","2","4","7","3","1") = "7"
    & skf18("7","8","2","4","7","4","1") = "7"
    & skf18("7","8","2","4","7","5","1") = "7"
    & skf18("7","8","2","4","7","6","1") = "7"
    & skf18("7","8","2","4","7","7","1") = "7"
    & skf18("7","8","2","4","7","8","1") = "7"
    & skf18("7","8","2","4","7","9","1") = "8"
    & skf18("7","8","2","4","7","10","1") = "9"
    & skf18("7","8","2","4","8","1","1") = "7"
    & skf18("7","8","2","4","8","2","1") = "7"
    & skf18("7","8","2","4","8","3","1") = "7"
    & skf18("7","8","2","4","8","4","1") = "7"
    & skf18("7","8","2","4","8","5","1") = "7"
    & skf18("7","8","2","4","8","6","1") = "7"
    & skf18("7","8","2","4","8","7","1") = "7"
    & skf18("7","8","2","4","8","8","1") = "7"
    & skf18("7","8","2","4","8","9","1") = "8"
    & skf18("7","8","2","4","8","10","1") = "9"
    & skf18("7","8","2","4","9","1","1") = "8"
    & skf18("7","8","2","4","9","2","1") = "8"
    & skf18("7","8","2","4","9","3","1") = "8"
    & skf18("7","8","2","4","9","4","1") = "8"
    & skf18("7","8","2","4","9","5","1") = "8"
    & skf18("7","8","2","4","9","6","1") = "8"
    & skf18("7","8","2","4","9","7","1") = "8"
    & skf18("7","8","2","4","9","8","1") = "8"
    & skf18("7","8","2","4","9","9","1") = "8"
    & skf18("7","8","2","4","9","10","1") = "9"
    & skf18("7","8","2","4","10","1","1") = "9"
    & skf18("7","8","2","4","10","2","1") = "9"
    & skf18("7","8","2","4","10","3","1") = "9"
    & skf18("7","8","2","4","10","4","1") = "9"
    & skf18("7","8","2","4","10","5","1") = "9"
    & skf18("7","8","2","4","10","6","1") = "9"
    & skf18("7","8","2","4","10","7","1") = "9"
    & skf18("7","8","2","4","10","8","1") = "9"
    & skf18("7","8","2","4","10","9","1") = "9"
    & skf18("7","8","2","4","10","10","1") = "9"
    & skf18("7","8","2","5","1","1","1") = "7"
    & skf18("7","8","2","5","1","2","1") = "7"
    & skf18("7","8","2","5","1","3","1") = "7"
    & skf18("7","8","2","5","1","4","1") = "7"
    & skf18("7","8","2","5","1","5","1") = "7"
    & skf18("7","8","2","5","1","6","1") = "7"
    & skf18("7","8","2","5","1","7","1") = "7"
    & skf18("7","8","2","5","1","8","1") = "7"
    & skf18("7","8","2","5","1","9","1") = "8"
    & skf18("7","8","2","5","1","10","1") = "9"
    & skf18("7","8","2","5","2","1","1") = "7"
    & skf18("7","8","2","5","2","2","1") = "7"
    & skf18("7","8","2","5","2","3","1") = "7"
    & skf18("7","8","2","5","2","4","1") = "7"
    & skf18("7","8","2","5","2","5","1") = "7"
    & skf18("7","8","2","5","2","6","1") = "7"
    & skf18("7","8","2","5","2","7","1") = "7"
    & skf18("7","8","2","5","2","8","1") = "7"
    & skf18("7","8","2","5","2","9","1") = "8"
    & skf18("7","8","2","5","2","10","1") = "9"
    & skf18("7","8","2","5","3","1","1") = "7"
    & skf18("7","8","2","5","3","2","1") = "7"
    & skf18("7","8","2","5","3","3","1") = "7"
    & skf18("7","8","2","5","3","4","1") = "7"
    & skf18("7","8","2","5","3","5","1") = "7"
    & skf18("7","8","2","5","3","6","1") = "7"
    & skf18("7","8","2","5","3","7","1") = "7"
    & skf18("7","8","2","5","3","8","1") = "7"
    & skf18("7","8","2","5","3","9","1") = "8"
    & skf18("7","8","2","5","3","10","1") = "9"
    & skf18("7","8","2","5","4","1","1") = "7"
    & skf18("7","8","2","5","4","2","1") = "7"
    & skf18("7","8","2","5","4","3","1") = "7"
    & skf18("7","8","2","5","4","4","1") = "7"
    & skf18("7","8","2","5","4","5","1") = "7"
    & skf18("7","8","2","5","4","6","1") = "7"
    & skf18("7","8","2","5","4","7","1") = "7"
    & skf18("7","8","2","5","4","8","1") = "7"
    & skf18("7","8","2","5","4","9","1") = "8"
    & skf18("7","8","2","5","4","10","1") = "9"
    & skf18("7","8","2","5","5","1","1") = "7"
    & skf18("7","8","2","5","5","2","1") = "7"
    & skf18("7","8","2","5","5","3","1") = "7"
    & skf18("7","8","2","5","5","4","1") = "7"
    & skf18("7","8","2","5","5","5","1") = "7"
    & skf18("7","8","2","5","5","6","1") = "7"
    & skf18("7","8","2","5","5","7","1") = "7"
    & skf18("7","8","2","5","5","8","1") = "7"
    & skf18("7","8","2","5","5","9","1") = "8"
    & skf18("7","8","2","5","5","10","1") = "9"
    & skf18("7","8","2","5","6","1","1") = "7"
    & skf18("7","8","2","5","6","2","1") = "7"
    & skf18("7","8","2","5","6","3","1") = "7"
    & skf18("7","8","2","5","6","4","1") = "7"
    & skf18("7","8","2","5","6","5","1") = "7"
    & skf18("7","8","2","5","6","6","1") = "7"
    & skf18("7","8","2","5","6","7","1") = "7"
    & skf18("7","8","2","5","6","8","1") = "7"
    & skf18("7","8","2","5","6","9","1") = "8"
    & skf18("7","8","2","5","6","10","1") = "9"
    & skf18("7","8","2","5","7","1","1") = "7"
    & skf18("7","8","2","5","7","2","1") = "7"
    & skf18("7","8","2","5","7","3","1") = "7"
    & skf18("7","8","2","5","7","4","1") = "7"
    & skf18("7","8","2","5","7","5","1") = "7"
    & skf18("7","8","2","5","7","6","1") = "7"
    & skf18("7","8","2","5","7","7","1") = "7"
    & skf18("7","8","2","5","7","8","1") = "7"
    & skf18("7","8","2","5","7","9","1") = "8"
    & skf18("7","8","2","5","7","10","1") = "9"
    & skf18("7","8","2","5","8","1","1") = "7"
    & skf18("7","8","2","5","8","2","1") = "7"
    & skf18("7","8","2","5","8","3","1") = "7"
    & skf18("7","8","2","5","8","4","1") = "7"
    & skf18("7","8","2","5","8","5","1") = "7"
    & skf18("7","8","2","5","8","6","1") = "7"
    & skf18("7","8","2","5","8","7","1") = "7"
    & skf18("7","8","2","5","8","8","1") = "7"
    & skf18("7","8","2","5","8","9","1") = "8"
    & skf18("7","8","2","5","8","10","1") = "9"
    & skf18("7","8","2","5","9","1","1") = "8"
    & skf18("7","8","2","5","9","2","1") = "8"
    & skf18("7","8","2","5","9","3","1") = "8"
    & skf18("7","8","2","5","9","4","1") = "8"
    & skf18("7","8","2","5","9","5","1") = "8"
    & skf18("7","8","2","5","9","6","1") = "8"
    & skf18("7","8","2","5","9","7","1") = "8"
    & skf18("7","8","2","5","9","8","1") = "8"
    & skf18("7","8","2","5","9","9","1") = "8"
    & skf18("7","8","2","5","9","10","1") = "9"
    & skf18("7","8","2","5","10","1","1") = "9"
    & skf18("7","8","2","5","10","2","1") = "9"
    & skf18("7","8","2","5","10","3","1") = "9"
    & skf18("7","8","2","5","10","4","1") = "9"
    & skf18("7","8","2","5","10","5","1") = "9"
    & skf18("7","8","2","5","10","6","1") = "9"
    & skf18("7","8","2","5","10","7","1") = "9"
    & skf18("7","8","2","5","10","8","1") = "9"
    & skf18("7","8","2","5","10","9","1") = "9"
    & skf18("7","8","2","5","10","10","1") = "9"
    & skf18("7","8","2","6","1","1","1") = "7"
    & skf18("7","8","2","6","1","2","1") = "7"
    & skf18("7","8","2","6","1","3","1") = "7"
    & skf18("7","8","2","6","1","4","1") = "7"
    & skf18("7","8","2","6","1","5","1") = "7"
    & skf18("7","8","2","6","1","6","1") = "7"
    & skf18("7","8","2","6","1","7","1") = "7"
    & skf18("7","8","2","6","1","8","1") = "7"
    & skf18("7","8","2","6","1","9","1") = "8"
    & skf18("7","8","2","6","1","10","1") = "9"
    & skf18("7","8","2","6","2","1","1") = "7"
    & skf18("7","8","2","6","2","2","1") = "7"
    & skf18("7","8","2","6","2","3","1") = "7"
    & skf18("7","8","2","6","2","4","1") = "7"
    & skf18("7","8","2","6","2","5","1") = "7"
    & skf18("7","8","2","6","2","6","1") = "7"
    & skf18("7","8","2","6","2","7","1") = "7"
    & skf18("7","8","2","6","2","8","1") = "7"
    & skf18("7","8","2","6","2","9","1") = "8"
    & skf18("7","8","2","6","2","10","1") = "9"
    & skf18("7","8","2","6","3","1","1") = "7"
    & skf18("7","8","2","6","3","2","1") = "7"
    & skf18("7","8","2","6","3","3","1") = "7"
    & skf18("7","8","2","6","3","4","1") = "7"
    & skf18("7","8","2","6","3","5","1") = "7"
    & skf18("7","8","2","6","3","6","1") = "7"
    & skf18("7","8","2","6","3","7","1") = "7"
    & skf18("7","8","2","6","3","8","1") = "7"
    & skf18("7","8","2","6","3","9","1") = "8"
    & skf18("7","8","2","6","3","10","1") = "9"
    & skf18("7","8","2","6","4","1","1") = "7"
    & skf18("7","8","2","6","4","2","1") = "7"
    & skf18("7","8","2","6","4","3","1") = "7"
    & skf18("7","8","2","6","4","4","1") = "7"
    & skf18("7","8","2","6","4","5","1") = "7"
    & skf18("7","8","2","6","4","6","1") = "7"
    & skf18("7","8","2","6","4","7","1") = "7"
    & skf18("7","8","2","6","4","8","1") = "7"
    & skf18("7","8","2","6","4","9","1") = "8"
    & skf18("7","8","2","6","4","10","1") = "9"
    & skf18("7","8","2","6","5","1","1") = "7"
    & skf18("7","8","2","6","5","2","1") = "7"
    & skf18("7","8","2","6","5","3","1") = "7"
    & skf18("7","8","2","6","5","4","1") = "7"
    & skf18("7","8","2","6","5","5","1") = "7"
    & skf18("7","8","2","6","5","6","1") = "7"
    & skf18("7","8","2","6","5","7","1") = "7"
    & skf18("7","8","2","6","5","8","1") = "7"
    & skf18("7","8","2","6","5","9","1") = "8"
    & skf18("7","8","2","6","5","10","1") = "9"
    & skf18("7","8","2","6","6","1","1") = "7"
    & skf18("7","8","2","6","6","2","1") = "7"
    & skf18("7","8","2","6","6","3","1") = "7"
    & skf18("7","8","2","6","6","4","1") = "7"
    & skf18("7","8","2","6","6","5","1") = "7"
    & skf18("7","8","2","6","6","6","1") = "7"
    & skf18("7","8","2","6","6","7","1") = "7"
    & skf18("7","8","2","6","6","8","1") = "7"
    & skf18("7","8","2","6","6","9","1") = "8"
    & skf18("7","8","2","6","6","10","1") = "9"
    & skf18("7","8","2","6","7","1","1") = "7"
    & skf18("7","8","2","6","7","2","1") = "7"
    & skf18("7","8","2","6","7","3","1") = "7"
    & skf18("7","8","2","6","7","4","1") = "7"
    & skf18("7","8","2","6","7","5","1") = "7"
    & skf18("7","8","2","6","7","6","1") = "7"
    & skf18("7","8","2","6","7","7","1") = "7"
    & skf18("7","8","2","6","7","8","1") = "7"
    & skf18("7","8","2","6","7","9","1") = "8"
    & skf18("7","8","2","6","7","10","1") = "9"
    & skf18("7","8","2","6","8","1","1") = "7"
    & skf18("7","8","2","6","8","2","1") = "7"
    & skf18("7","8","2","6","8","3","1") = "7"
    & skf18("7","8","2","6","8","4","1") = "7"
    & skf18("7","8","2","6","8","5","1") = "7"
    & skf18("7","8","2","6","8","6","1") = "7"
    & skf18("7","8","2","6","8","7","1") = "7"
    & skf18("7","8","2","6","8","8","1") = "7"
    & skf18("7","8","2","6","8","9","1") = "8"
    & skf18("7","8","2","6","8","10","1") = "9"
    & skf18("7","8","2","6","9","1","1") = "8"
    & skf18("7","8","2","6","9","2","1") = "8"
    & skf18("7","8","2","6","9","3","1") = "8"
    & skf18("7","8","2","6","9","4","1") = "8"
    & skf18("7","8","2","6","9","5","1") = "8"
    & skf18("7","8","2","6","9","6","1") = "8"
    & skf18("7","8","2","6","9","7","1") = "8"
    & skf18("7","8","2","6","9","8","1") = "8"
    & skf18("7","8","2","6","9","9","1") = "8"
    & skf18("7","8","2","6","9","10","1") = "9"
    & skf18("7","8","2","6","10","1","1") = "9"
    & skf18("7","8","2","6","10","2","1") = "9"
    & skf18("7","8","2","6","10","3","1") = "9"
    & skf18("7","8","2","6","10","4","1") = "9"
    & skf18("7","8","2","6","10","5","1") = "9"
    & skf18("7","8","2","6","10","6","1") = "9"
    & skf18("7","8","2","6","10","7","1") = "9"
    & skf18("7","8","2","6","10","8","1") = "9"
    & skf18("7","8","2","6","10","9","1") = "9"
    & skf18("7","8","2","6","10","10","1") = "9"
    & skf18("7","8","2","7","1","1","1") = "7"
    & skf18("7","8","2","7","1","2","1") = "7"
    & skf18("7","8","2","7","1","3","1") = "7"
    & skf18("7","8","2","7","1","4","1") = "7"
    & skf18("7","8","2","7","1","5","1") = "7"
    & skf18("7","8","2","7","1","6","1") = "7"
    & skf18("7","8","2","7","1","7","1") = "7"
    & skf18("7","8","2","7","1","8","1") = "7"
    & skf18("7","8","2","7","1","9","1") = "8"
    & skf18("7","8","2","7","1","10","1") = "9"
    & skf18("7","8","2","7","2","1","1") = "7"
    & skf18("7","8","2","7","2","2","1") = "7"
    & skf18("7","8","2","7","2","3","1") = "7"
    & skf18("7","8","2","7","2","4","1") = "7"
    & skf18("7","8","2","7","2","5","1") = "7"
    & skf18("7","8","2","7","2","6","1") = "7"
    & skf18("7","8","2","7","2","7","1") = "7"
    & skf18("7","8","2","7","2","8","1") = "7"
    & skf18("7","8","2","7","2","9","1") = "8"
    & skf18("7","8","2","7","2","10","1") = "9"
    & skf18("7","8","2","7","3","1","1") = "7"
    & skf18("7","8","2","7","3","2","1") = "7"
    & skf18("7","8","2","7","3","3","1") = "7"
    & skf18("7","8","2","7","3","4","1") = "7"
    & skf18("7","8","2","7","3","5","1") = "7"
    & skf18("7","8","2","7","3","6","1") = "7"
    & skf18("7","8","2","7","3","7","1") = "7"
    & skf18("7","8","2","7","3","8","1") = "7"
    & skf18("7","8","2","7","3","9","1") = "8"
    & skf18("7","8","2","7","3","10","1") = "9"
    & skf18("7","8","2","7","4","1","1") = "7"
    & skf18("7","8","2","7","4","2","1") = "7"
    & skf18("7","8","2","7","4","3","1") = "7"
    & skf18("7","8","2","7","4","4","1") = "7"
    & skf18("7","8","2","7","4","5","1") = "7"
    & skf18("7","8","2","7","4","6","1") = "7"
    & skf18("7","8","2","7","4","7","1") = "7"
    & skf18("7","8","2","7","4","8","1") = "7"
    & skf18("7","8","2","7","4","9","1") = "8"
    & skf18("7","8","2","7","4","10","1") = "9"
    & skf18("7","8","2","7","5","1","1") = "7"
    & skf18("7","8","2","7","5","2","1") = "7"
    & skf18("7","8","2","7","5","3","1") = "7"
    & skf18("7","8","2","7","5","4","1") = "7"
    & skf18("7","8","2","7","5","5","1") = "7"
    & skf18("7","8","2","7","5","6","1") = "7"
    & skf18("7","8","2","7","5","7","1") = "7"
    & skf18("7","8","2","7","5","8","1") = "7"
    & skf18("7","8","2","7","5","9","1") = "8"
    & skf18("7","8","2","7","5","10","1") = "9"
    & skf18("7","8","2","7","6","1","1") = "7"
    & skf18("7","8","2","7","6","2","1") = "7"
    & skf18("7","8","2","7","6","3","1") = "7"
    & skf18("7","8","2","7","6","4","1") = "7"
    & skf18("7","8","2","7","6","5","1") = "7"
    & skf18("7","8","2","7","6","6","1") = "7"
    & skf18("7","8","2","7","6","7","1") = "7"
    & skf18("7","8","2","7","6","8","1") = "7"
    & skf18("7","8","2","7","6","9","1") = "8"
    & skf18("7","8","2","7","6","10","1") = "9"
    & skf18("7","8","2","7","7","1","1") = "7"
    & skf18("7","8","2","7","7","2","1") = "7"
    & skf18("7","8","2","7","7","3","1") = "7"
    & skf18("7","8","2","7","7","4","1") = "7"
    & skf18("7","8","2","7","7","5","1") = "7"
    & skf18("7","8","2","7","7","6","1") = "7"
    & skf18("7","8","2","7","7","7","1") = "7"
    & skf18("7","8","2","7","7","8","1") = "7"
    & skf18("7","8","2","7","7","9","1") = "8"
    & skf18("7","8","2","7","7","10","1") = "9"
    & skf18("7","8","2","7","8","1","1") = "7"
    & skf18("7","8","2","7","8","2","1") = "7"
    & skf18("7","8","2","7","8","3","1") = "7"
    & skf18("7","8","2","7","8","4","1") = "7"
    & skf18("7","8","2","7","8","5","1") = "7"
    & skf18("7","8","2","7","8","6","1") = "7"
    & skf18("7","8","2","7","8","7","1") = "7"
    & skf18("7","8","2","7","8","8","1") = "7"
    & skf18("7","8","2","7","8","9","1") = "8"
    & skf18("7","8","2","7","8","10","1") = "9"
    & skf18("7","8","2","7","9","1","1") = "8"
    & skf18("7","8","2","7","9","2","1") = "8"
    & skf18("7","8","2","7","9","3","1") = "8"
    & skf18("7","8","2","7","9","4","1") = "8"
    & skf18("7","8","2","7","9","5","1") = "8"
    & skf18("7","8","2","7","9","6","1") = "8"
    & skf18("7","8","2","7","9","7","1") = "8"
    & skf18("7","8","2","7","9","8","1") = "8"
    & skf18("7","8","2","7","9","9","1") = "8"
    & skf18("7","8","2","7","9","10","1") = "9"
    & skf18("7","8","2","7","10","1","1") = "9"
    & skf18("7","8","2","7","10","2","1") = "9"
    & skf18("7","8","2","7","10","3","1") = "9"
    & skf18("7","8","2","7","10","4","1") = "9"
    & skf18("7","8","2","7","10","5","1") = "9"
    & skf18("7","8","2","7","10","6","1") = "9"
    & skf18("7","8","2","7","10","7","1") = "9"
    & skf18("7","8","2","7","10","8","1") = "9"
    & skf18("7","8","2","7","10","9","1") = "9"
    & skf18("7","8","2","7","10","10","1") = "9"
    & skf18("7","8","2","8","1","1","1") = "7"
    & skf18("7","8","2","8","1","2","1") = "7"
    & skf18("7","8","2","8","1","3","1") = "7"
    & skf18("7","8","2","8","1","4","1") = "7"
    & skf18("7","8","2","8","1","5","1") = "7"
    & skf18("7","8","2","8","1","6","1") = "7"
    & skf18("7","8","2","8","1","7","1") = "7"
    & skf18("7","8","2","8","1","8","1") = "7"
    & skf18("7","8","2","8","1","9","1") = "8"
    & skf18("7","8","2","8","1","10","1") = "9"
    & skf18("7","8","2","8","2","1","1") = "7"
    & skf18("7","8","2","8","2","2","1") = "7"
    & skf18("7","8","2","8","2","3","1") = "7"
    & skf18("7","8","2","8","2","4","1") = "7"
    & skf18("7","8","2","8","2","5","1") = "7"
    & skf18("7","8","2","8","2","6","1") = "7"
    & skf18("7","8","2","8","2","7","1") = "7"
    & skf18("7","8","2","8","2","8","1") = "7"
    & skf18("7","8","2","8","2","9","1") = "8"
    & skf18("7","8","2","8","2","10","1") = "9"
    & skf18("7","8","2","8","3","1","1") = "7"
    & skf18("7","8","2","8","3","2","1") = "7"
    & skf18("7","8","2","8","3","3","1") = "7"
    & skf18("7","8","2","8","3","4","1") = "7"
    & skf18("7","8","2","8","3","5","1") = "7"
    & skf18("7","8","2","8","3","6","1") = "7"
    & skf18("7","8","2","8","3","7","1") = "7"
    & skf18("7","8","2","8","3","8","1") = "7"
    & skf18("7","8","2","8","3","9","1") = "8"
    & skf18("7","8","2","8","3","10","1") = "9"
    & skf18("7","8","2","8","4","1","1") = "7"
    & skf18("7","8","2","8","4","2","1") = "7"
    & skf18("7","8","2","8","4","3","1") = "7"
    & skf18("7","8","2","8","4","4","1") = "7"
    & skf18("7","8","2","8","4","5","1") = "7"
    & skf18("7","8","2","8","4","6","1") = "7"
    & skf18("7","8","2","8","4","7","1") = "7"
    & skf18("7","8","2","8","4","8","1") = "7"
    & skf18("7","8","2","8","4","9","1") = "8"
    & skf18("7","8","2","8","4","10","1") = "9"
    & skf18("7","8","2","8","5","1","1") = "7"
    & skf18("7","8","2","8","5","2","1") = "7"
    & skf18("7","8","2","8","5","3","1") = "7"
    & skf18("7","8","2","8","5","4","1") = "7"
    & skf18("7","8","2","8","5","5","1") = "7"
    & skf18("7","8","2","8","5","6","1") = "7"
    & skf18("7","8","2","8","5","7","1") = "7"
    & skf18("7","8","2","8","5","8","1") = "7"
    & skf18("7","8","2","8","5","9","1") = "8"
    & skf18("7","8","2","8","5","10","1") = "9"
    & skf18("7","8","2","8","6","1","1") = "7"
    & skf18("7","8","2","8","6","2","1") = "7"
    & skf18("7","8","2","8","6","3","1") = "7"
    & skf18("7","8","2","8","6","4","1") = "7"
    & skf18("7","8","2","8","6","5","1") = "7"
    & skf18("7","8","2","8","6","6","1") = "7"
    & skf18("7","8","2","8","6","7","1") = "7"
    & skf18("7","8","2","8","6","8","1") = "7"
    & skf18("7","8","2","8","6","9","1") = "8"
    & skf18("7","8","2","8","6","10","1") = "9"
    & skf18("7","8","2","8","7","1","1") = "7"
    & skf18("7","8","2","8","7","2","1") = "7"
    & skf18("7","8","2","8","7","3","1") = "7"
    & skf18("7","8","2","8","7","4","1") = "7"
    & skf18("7","8","2","8","7","5","1") = "7"
    & skf18("7","8","2","8","7","6","1") = "7"
    & skf18("7","8","2","8","7","7","1") = "7"
    & skf18("7","8","2","8","7","8","1") = "7"
    & skf18("7","8","2","8","7","9","1") = "8"
    & skf18("7","8","2","8","7","10","1") = "9"
    & skf18("7","8","2","8","8","1","1") = "7"
    & skf18("7","8","2","8","8","2","1") = "7"
    & skf18("7","8","2","8","8","3","1") = "7"
    & skf18("7","8","2","8","8","4","1") = "7"
    & skf18("7","8","2","8","8","5","1") = "7"
    & skf18("7","8","2","8","8","6","1") = "7"
    & skf18("7","8","2","8","8","7","1") = "7"
    & skf18("7","8","2","8","8","8","1") = "7"
    & skf18("7","8","2","8","8","9","1") = "8"
    & skf18("7","8","2","8","8","10","1") = "9"
    & skf18("7","8","2","8","9","1","1") = "8"
    & skf18("7","8","2","8","9","2","1") = "8"
    & skf18("7","8","2","8","9","3","1") = "8"
    & skf18("7","8","2","8","9","4","1") = "8"
    & skf18("7","8","2","8","9","5","1") = "8"
    & skf18("7","8","2","8","9","6","1") = "8"
    & skf18("7","8","2","8","9","7","1") = "8"
    & skf18("7","8","2","8","9","8","1") = "8"
    & skf18("7","8","2","8","9","9","1") = "8"
    & skf18("7","8","2","8","9","10","1") = "9"
    & skf18("7","8","2","8","10","1","1") = "9"
    & skf18("7","8","2","8","10","2","1") = "9"
    & skf18("7","8","2","8","10","3","1") = "9"
    & skf18("7","8","2","8","10","4","1") = "9"
    & skf18("7","8","2","8","10","5","1") = "9"
    & skf18("7","8","2","8","10","6","1") = "9"
    & skf18("7","8","2","8","10","7","1") = "9"
    & skf18("7","8","2","8","10","8","1") = "9"
    & skf18("7","8","2","8","10","9","1") = "9"
    & skf18("7","8","2","8","10","10","1") = "9"
    & skf18("7","8","2","9","1","1","1") = "8"
    & skf18("7","8","2","9","1","2","1") = "8"
    & skf18("7","8","2","9","1","3","1") = "8"
    & skf18("7","8","2","9","1","4","1") = "8"
    & skf18("7","8","2","9","1","5","1") = "8"
    & skf18("7","8","2","9","1","6","1") = "8"
    & skf18("7","8","2","9","1","7","1") = "8"
    & skf18("7","8","2","9","1","8","1") = "8"
    & skf18("7","8","2","9","1","9","1") = "8"
    & skf18("7","8","2","9","1","10","1") = "9"
    & skf18("7","8","2","9","2","1","1") = "8"
    & skf18("7","8","2","9","2","2","1") = "8"
    & skf18("7","8","2","9","2","3","1") = "8"
    & skf18("7","8","2","9","2","4","1") = "8"
    & skf18("7","8","2","9","2","5","1") = "8"
    & skf18("7","8","2","9","2","6","1") = "8"
    & skf18("7","8","2","9","2","7","1") = "8"
    & skf18("7","8","2","9","2","8","1") = "8"
    & skf18("7","8","2","9","2","9","1") = "8"
    & skf18("7","8","2","9","2","10","1") = "9"
    & skf18("7","8","2","9","3","1","1") = "8"
    & skf18("7","8","2","9","3","2","1") = "8"
    & skf18("7","8","2","9","3","3","1") = "8"
    & skf18("7","8","2","9","3","4","1") = "8"
    & skf18("7","8","2","9","3","5","1") = "8"
    & skf18("7","8","2","9","3","6","1") = "8"
    & skf18("7","8","2","9","3","7","1") = "8"
    & skf18("7","8","2","9","3","8","1") = "8"
    & skf18("7","8","2","9","3","9","1") = "8"
    & skf18("7","8","2","9","3","10","1") = "9"
    & skf18("7","8","2","9","4","1","1") = "8"
    & skf18("7","8","2","9","4","2","1") = "8"
    & skf18("7","8","2","9","4","3","1") = "8"
    & skf18("7","8","2","9","4","4","1") = "8"
    & skf18("7","8","2","9","4","5","1") = "8"
    & skf18("7","8","2","9","4","6","1") = "8"
    & skf18("7","8","2","9","4","7","1") = "8"
    & skf18("7","8","2","9","4","8","1") = "8"
    & skf18("7","8","2","9","4","9","1") = "8"
    & skf18("7","8","2","9","4","10","1") = "9"
    & skf18("7","8","2","9","5","1","1") = "8"
    & skf18("7","8","2","9","5","2","1") = "8"
    & skf18("7","8","2","9","5","3","1") = "8"
    & skf18("7","8","2","9","5","4","1") = "8"
    & skf18("7","8","2","9","5","5","1") = "8"
    & skf18("7","8","2","9","5","6","1") = "8"
    & skf18("7","8","2","9","5","7","1") = "8"
    & skf18("7","8","2","9","5","8","1") = "8"
    & skf18("7","8","2","9","5","9","1") = "8"
    & skf18("7","8","2","9","5","10","1") = "9"
    & skf18("7","8","2","9","6","1","1") = "8"
    & skf18("7","8","2","9","6","2","1") = "8"
    & skf18("7","8","2","9","6","3","1") = "8"
    & skf18("7","8","2","9","6","4","1") = "8"
    & skf18("7","8","2","9","6","5","1") = "8"
    & skf18("7","8","2","9","6","6","1") = "8"
    & skf18("7","8","2","9","6","7","1") = "8"
    & skf18("7","8","2","9","6","8","1") = "8"
    & skf18("7","8","2","9","6","9","1") = "8"
    & skf18("7","8","2","9","6","10","1") = "9"
    & skf18("7","8","2","9","7","1","1") = "8"
    & skf18("7","8","2","9","7","2","1") = "8"
    & skf18("7","8","2","9","7","3","1") = "8"
    & skf18("7","8","2","9","7","4","1") = "8"
    & skf18("7","8","2","9","7","5","1") = "8"
    & skf18("7","8","2","9","7","6","1") = "8"
    & skf18("7","8","2","9","7","7","1") = "8"
    & skf18("7","8","2","9","7","8","1") = "8"
    & skf18("7","8","2","9","7","9","1") = "8"
    & skf18("7","8","2","9","7","10","1") = "9"
    & skf18("7","8","2","9","8","1","1") = "8"
    & skf18("7","8","2","9","8","2","1") = "8"
    & skf18("7","8","2","9","8","3","1") = "8"
    & skf18("7","8","2","9","8","4","1") = "8"
    & skf18("7","8","2","9","8","5","1") = "8"
    & skf18("7","8","2","9","8","6","1") = "8"
    & skf18("7","8","2","9","8","7","1") = "8"
    & skf18("7","8","2","9","8","8","1") = "8"
    & skf18("7","8","2","9","8","9","1") = "8"
    & skf18("7","8","2","9","8","10","1") = "9"
    & skf18("7","8","2","9","9","1","1") = "8"
    & skf18("7","8","2","9","9","2","1") = "8"
    & skf18("7","8","2","9","9","3","1") = "8"
    & skf18("7","8","2","9","9","4","1") = "8"
    & skf18("7","8","2","9","9","5","1") = "8"
    & skf18("7","8","2","9","9","6","1") = "8"
    & skf18("7","8","2","9","9","7","1") = "8"
    & skf18("7","8","2","9","9","8","1") = "8"
    & skf18("7","8","2","9","9","9","1") = "8"
    & skf18("7","8","2","9","9","10","1") = "9"
    & skf18("7","8","2","9","10","1","1") = "9"
    & skf18("7","8","2","9","10","2","1") = "9"
    & skf18("7","8","2","9","10","3","1") = "9"
    & skf18("7","8","2","9","10","4","1") = "9"
    & skf18("7","8","2","9","10","5","1") = "9"
    & skf18("7","8","2","9","10","6","1") = "9"
    & skf18("7","8","2","9","10","7","1") = "9"
    & skf18("7","8","2","9","10","8","1") = "9"
    & skf18("7","8","2","9","10","9","1") = "9"
    & skf18("7","8","2","9","10","10","1") = "9"
    & skf18("7","8","2","10","1","1","1") = "9"
    & skf18("7","8","2","10","1","2","1") = "9"
    & skf18("7","8","2","10","1","3","1") = "9"
    & skf18("7","8","2","10","1","4","1") = "9"
    & skf18("7","8","2","10","1","5","1") = "9"
    & skf18("7","8","2","10","1","6","1") = "9"
    & skf18("7","8","2","10","1","7","1") = "9"
    & skf18("7","8","2","10","1","8","1") = "9"
    & skf18("7","8","2","10","1","9","1") = "9"
    & skf18("7","8","2","10","1","10","1") = "9"
    & skf18("7","8","2","10","2","1","1") = "9"
    & skf18("7","8","2","10","2","2","1") = "9"
    & skf18("7","8","2","10","2","3","1") = "9"
    & skf18("7","8","2","10","2","4","1") = "9"
    & skf18("7","8","2","10","2","5","1") = "9"
    & skf18("7","8","2","10","2","6","1") = "9"
    & skf18("7","8","2","10","2","7","1") = "9"
    & skf18("7","8","2","10","2","8","1") = "9"
    & skf18("7","8","2","10","2","9","1") = "9"
    & skf18("7","8","2","10","2","10","1") = "9"
    & skf18("7","8","2","10","3","1","1") = "9"
    & skf18("7","8","2","10","3","2","1") = "9"
    & skf18("7","8","2","10","3","3","1") = "9"
    & skf18("7","8","2","10","3","4","1") = "9"
    & skf18("7","8","2","10","3","5","1") = "9"
    & skf18("7","8","2","10","3","6","1") = "9"
    & skf18("7","8","2","10","3","7","1") = "9"
    & skf18("7","8","2","10","3","8","1") = "9"
    & skf18("7","8","2","10","3","9","1") = "9"
    & skf18("7","8","2","10","3","10","1") = "9"
    & skf18("7","8","2","10","4","1","1") = "9"
    & skf18("7","8","2","10","4","2","1") = "9"
    & skf18("7","8","2","10","4","3","1") = "9"
    & skf18("7","8","2","10","4","4","1") = "9"
    & skf18("7","8","2","10","4","5","1") = "9"
    & skf18("7","8","2","10","4","6","1") = "9"
    & skf18("7","8","2","10","4","7","1") = "9"
    & skf18("7","8","2","10","4","8","1") = "9"
    & skf18("7","8","2","10","4","9","1") = "9"
    & skf18("7","8","2","10","4","10","1") = "9"
    & skf18("7","8","2","10","5","1","1") = "9"
    & skf18("7","8","2","10","5","2","1") = "9"
    & skf18("7","8","2","10","5","3","1") = "9"
    & skf18("7","8","2","10","5","4","1") = "9"
    & skf18("7","8","2","10","5","5","1") = "9"
    & skf18("7","8","2","10","5","6","1") = "9"
    & skf18("7","8","2","10","5","7","1") = "9"
    & skf18("7","8","2","10","5","8","1") = "9"
    & skf18("7","8","2","10","5","9","1") = "9"
    & skf18("7","8","2","10","5","10","1") = "9"
    & skf18("7","8","2","10","6","1","1") = "9"
    & skf18("7","8","2","10","6","2","1") = "9"
    & skf18("7","8","2","10","6","3","1") = "9"
    & skf18("7","8","2","10","6","4","1") = "9"
    & skf18("7","8","2","10","6","5","1") = "9"
    & skf18("7","8","2","10","6","6","1") = "9"
    & skf18("7","8","2","10","6","7","1") = "9"
    & skf18("7","8","2","10","6","8","1") = "9"
    & skf18("7","8","2","10","6","9","1") = "9"
    & skf18("7","8","2","10","6","10","1") = "9"
    & skf18("7","8","2","10","7","1","1") = "9"
    & skf18("7","8","2","10","7","2","1") = "9"
    & skf18("7","8","2","10","7","3","1") = "9"
    & skf18("7","8","2","10","7","4","1") = "9"
    & skf18("7","8","2","10","7","5","1") = "9"
    & skf18("7","8","2","10","7","6","1") = "9"
    & skf18("7","8","2","10","7","7","1") = "9"
    & skf18("7","8","2","10","7","8","1") = "9"
    & skf18("7","8","2","10","7","9","1") = "9"
    & skf18("7","8","2","10","7","10","1") = "9"
    & skf18("7","8","2","10","8","1","1") = "9"
    & skf18("7","8","2","10","8","2","1") = "9"
    & skf18("7","8","2","10","8","3","1") = "9"
    & skf18("7","8","2","10","8","4","1") = "9"
    & skf18("7","8","2","10","8","5","1") = "9"
    & skf18("7","8","2","10","8","6","1") = "9"
    & skf18("7","8","2","10","8","7","1") = "9"
    & skf18("7","8","2","10","8","8","1") = "9"
    & skf18("7","8","2","10","8","9","1") = "9"
    & skf18("7","8","2","10","8","10","1") = "9"
    & skf18("7","8","2","10","9","1","1") = "9"
    & skf18("7","8","2","10","9","2","1") = "9"
    & skf18("7","8","2","10","9","3","1") = "9"
    & skf18("7","8","2","10","9","4","1") = "9"
    & skf18("7","8","2","10","9","5","1") = "9"
    & skf18("7","8","2","10","9","6","1") = "9"
    & skf18("7","8","2","10","9","7","1") = "9"
    & skf18("7","8","2","10","9","8","1") = "9"
    & skf18("7","8","2","10","9","9","1") = "9"
    & skf18("7","8","2","10","9","10","1") = "9"
    & skf18("7","8","2","10","10","1","1") = "9"
    & skf18("7","8","2","10","10","2","1") = "9"
    & skf18("7","8","2","10","10","3","1") = "9"
    & skf18("7","8","2","10","10","4","1") = "9"
    & skf18("7","8","2","10","10","5","1") = "9"
    & skf18("7","8","2","10","10","6","1") = "9"
    & skf18("7","8","2","10","10","7","1") = "9"
    & skf18("7","8","2","10","10","8","1") = "9"
    & skf18("7","8","2","10","10","9","1") = "9"
    & skf18("7","8","2","10","10","10","1") = "9"
    & skf18("7","8","3","1","1","1","1") = "7"
    & skf18("7","8","3","1","1","2","1") = "7"
    & skf18("7","8","3","1","1","3","1") = "7"
    & skf18("7","8","3","1","1","4","1") = "7"
    & skf18("7","8","3","1","1","5","1") = "7"
    & skf18("7","8","3","1","1","6","1") = "7"
    & skf18("7","8","3","1","1","7","1") = "7"
    & skf18("7","8","3","1","1","8","1") = "7"
    & skf18("7","8","3","1","1","9","1") = "8"
    & skf18("7","8","3","1","1","10","1") = "9"
    & skf18("7","8","3","1","2","1","1") = "7"
    & skf18("7","8","3","1","2","2","1") = "7"
    & skf18("7","8","3","1","2","3","1") = "7"
    & skf18("7","8","3","1","2","4","1") = "7"
    & skf18("7","8","3","1","2","5","1") = "7"
    & skf18("7","8","3","1","2","6","1") = "7"
    & skf18("7","8","3","1","2","7","1") = "7"
    & skf18("7","8","3","1","2","8","1") = "7"
    & skf18("7","8","3","1","2","9","1") = "8"
    & skf18("7","8","3","1","2","10","1") = "9"
    & skf18("7","8","3","1","3","1","1") = "7"
    & skf18("7","8","3","1","3","2","1") = "7"
    & skf18("7","8","3","1","3","3","1") = "7"
    & skf18("7","8","3","1","3","4","1") = "7"
    & skf18("7","8","3","1","3","5","1") = "7"
    & skf18("7","8","3","1","3","6","1") = "7"
    & skf18("7","8","3","1","3","7","1") = "7"
    & skf18("7","8","3","1","3","8","1") = "7"
    & skf18("7","8","3","1","3","9","1") = "8"
    & skf18("7","8","3","1","3","10","1") = "9"
    & skf18("7","8","3","1","4","1","1") = "7"
    & skf18("7","8","3","1","4","2","1") = "7"
    & skf18("7","8","3","1","4","3","1") = "7"
    & skf18("7","8","3","1","4","4","1") = "7"
    & skf18("7","8","3","1","4","5","1") = "7"
    & skf18("7","8","3","1","4","6","1") = "7"
    & skf18("7","8","3","1","4","7","1") = "7"
    & skf18("7","8","3","1","4","8","1") = "7"
    & skf18("7","8","3","1","4","9","1") = "8"
    & skf18("7","8","3","1","4","10","1") = "9"
    & skf18("7","8","3","1","5","1","1") = "7"
    & skf18("7","8","3","1","5","2","1") = "7"
    & skf18("7","8","3","1","5","3","1") = "7"
    & skf18("7","8","3","1","5","4","1") = "7"
    & skf18("7","8","3","1","5","5","1") = "7"
    & skf18("7","8","3","1","5","6","1") = "7"
    & skf18("7","8","3","1","5","7","1") = "7"
    & skf18("7","8","3","1","5","8","1") = "7"
    & skf18("7","8","3","1","5","9","1") = "8"
    & skf18("7","8","3","1","5","10","1") = "9"
    & skf18("7","8","3","1","6","1","1") = "7"
    & skf18("7","8","3","1","6","2","1") = "7"
    & skf18("7","8","3","1","6","3","1") = "7"
    & skf18("7","8","3","1","6","4","1") = "7"
    & skf18("7","8","3","1","6","5","1") = "7"
    & skf18("7","8","3","1","6","6","1") = "7"
    & skf18("7","8","3","1","6","7","1") = "7"
    & skf18("7","8","3","1","6","8","1") = "7"
    & skf18("7","8","3","1","6","9","1") = "8"
    & skf18("7","8","3","1","6","10","1") = "9"
    & skf18("7","8","3","1","7","1","1") = "7"
    & skf18("7","8","3","1","7","2","1") = "7"
    & skf18("7","8","3","1","7","3","1") = "7"
    & skf18("7","8","3","1","7","4","1") = "7"
    & skf18("7","8","3","1","7","5","1") = "7"
    & skf18("7","8","3","1","7","6","1") = "7"
    & skf18("7","8","3","1","7","7","1") = "7"
    & skf18("7","8","3","1","7","8","1") = "7"
    & skf18("7","8","3","1","7","9","1") = "8"
    & skf18("7","8","3","1","7","10","1") = "9"
    & skf18("7","8","3","1","8","1","1") = "7"
    & skf18("7","8","3","1","8","2","1") = "7"
    & skf18("7","8","3","1","8","3","1") = "7"
    & skf18("7","8","3","1","8","4","1") = "7"
    & skf18("7","8","3","1","8","5","1") = "7"
    & skf18("7","8","3","1","8","6","1") = "7"
    & skf18("7","8","3","1","8","7","1") = "7"
    & skf18("7","8","3","1","8","8","1") = "7"
    & skf18("7","8","3","1","8","9","1") = "8"
    & skf18("7","8","3","1","8","10","1") = "9"
    & skf18("7","8","3","1","9","1","1") = "8"
    & skf18("7","8","3","1","9","2","1") = "8"
    & skf18("7","8","3","1","9","3","1") = "8"
    & skf18("7","8","3","1","9","4","1") = "8"
    & skf18("7","8","3","1","9","5","1") = "8"
    & skf18("7","8","3","1","9","6","1") = "8"
    & skf18("7","8","3","1","9","7","1") = "8"
    & skf18("7","8","3","1","9","8","1") = "8"
    & skf18("7","8","3","1","9","9","1") = "8"
    & skf18("7","8","3","1","9","10","1") = "9"
    & skf18("7","8","3","1","10","1","1") = "9"
    & skf18("7","8","3","1","10","2","1") = "9"
    & skf18("7","8","3","1","10","3","1") = "9"
    & skf18("7","8","3","1","10","4","1") = "9"
    & skf18("7","8","3","1","10","5","1") = "9"
    & skf18("7","8","3","1","10","6","1") = "9"
    & skf18("7","8","3","1","10","7","1") = "9"
    & skf18("7","8","3","1","10","8","1") = "9"
    & skf18("7","8","3","1","10","9","1") = "9"
    & skf18("7","8","3","1","10","10","1") = "9"
    & skf18("7","8","3","2","1","1","1") = "7"
    & skf18("7","8","3","2","1","2","1") = "7"
    & skf18("7","8","3","2","1","3","1") = "7"
    & skf18("7","8","3","2","1","4","1") = "7"
    & skf18("7","8","3","2","1","5","1") = "7"
    & skf18("7","8","3","2","1","6","1") = "7"
    & skf18("7","8","3","2","1","7","1") = "7"
    & skf18("7","8","3","2","1","8","1") = "7"
    & skf18("7","8","3","2","1","9","1") = "8"
    & skf18("7","8","3","2","1","10","1") = "9"
    & skf18("7","8","3","2","2","1","1") = "7"
    & skf18("7","8","3","2","2","2","1") = "7"
    & skf18("7","8","3","2","2","3","1") = "7"
    & skf18("7","8","3","2","2","4","1") = "7"
    & skf18("7","8","3","2","2","5","1") = "7"
    & skf18("7","8","3","2","2","6","1") = "7"
    & skf18("7","8","3","2","2","7","1") = "7"
    & skf18("7","8","3","2","2","8","1") = "7"
    & skf18("7","8","3","2","2","9","1") = "8"
    & skf18("7","8","3","2","2","10","1") = "9"
    & skf18("7","8","3","2","3","1","1") = "7"
    & skf18("7","8","3","2","3","2","1") = "7"
    & skf18("7","8","3","2","3","3","1") = "7"
    & skf18("7","8","3","2","3","4","1") = "7"
    & skf18("7","8","3","2","3","5","1") = "7"
    & skf18("7","8","3","2","3","6","1") = "7"
    & skf18("7","8","3","2","3","7","1") = "7"
    & skf18("7","8","3","2","3","8","1") = "7"
    & skf18("7","8","3","2","3","9","1") = "8"
    & skf18("7","8","3","2","3","10","1") = "9"
    & skf18("7","8","3","2","4","1","1") = "7"
    & skf18("7","8","3","2","4","2","1") = "7"
    & skf18("7","8","3","2","4","3","1") = "7"
    & skf18("7","8","3","2","4","4","1") = "7"
    & skf18("7","8","3","2","4","5","1") = "7"
    & skf18("7","8","3","2","4","6","1") = "7"
    & skf18("7","8","3","2","4","7","1") = "7"
    & skf18("7","8","3","2","4","8","1") = "7"
    & skf18("7","8","3","2","4","9","1") = "8"
    & skf18("7","8","3","2","4","10","1") = "9"
    & skf18("7","8","3","2","5","1","1") = "7"
    & skf18("7","8","3","2","5","2","1") = "7"
    & skf18("7","8","3","2","5","3","1") = "7"
    & skf18("7","8","3","2","5","4","1") = "7"
    & skf18("7","8","3","2","5","5","1") = "7"
    & skf18("7","8","3","2","5","6","1") = "7"
    & skf18("7","8","3","2","5","7","1") = "7"
    & skf18("7","8","3","2","5","8","1") = "7"
    & skf18("7","8","3","2","5","9","1") = "8"
    & skf18("7","8","3","2","5","10","1") = "9"
    & skf18("7","8","3","2","6","1","1") = "7"
    & skf18("7","8","3","2","6","2","1") = "7"
    & skf18("7","8","3","2","6","3","1") = "7"
    & skf18("7","8","3","2","6","4","1") = "7"
    & skf18("7","8","3","2","6","5","1") = "7"
    & skf18("7","8","3","2","6","6","1") = "7"
    & skf18("7","8","3","2","6","7","1") = "7"
    & skf18("7","8","3","2","6","8","1") = "7"
    & skf18("7","8","3","2","6","9","1") = "8"
    & skf18("7","8","3","2","6","10","1") = "9"
    & skf18("7","8","3","2","7","1","1") = "7"
    & skf18("7","8","3","2","7","2","1") = "7"
    & skf18("7","8","3","2","7","3","1") = "7"
    & skf18("7","8","3","2","7","4","1") = "7"
    & skf18("7","8","3","2","7","5","1") = "7"
    & skf18("7","8","3","2","7","6","1") = "7"
    & skf18("7","8","3","2","7","7","1") = "7"
    & skf18("7","8","3","2","7","8","1") = "7"
    & skf18("7","8","3","2","7","9","1") = "8"
    & skf18("7","8","3","2","7","10","1") = "9"
    & skf18("7","8","3","2","8","1","1") = "7"
    & skf18("7","8","3","2","8","2","1") = "7"
    & skf18("7","8","3","2","8","3","1") = "7"
    & skf18("7","8","3","2","8","4","1") = "7"
    & skf18("7","8","3","2","8","5","1") = "7"
    & skf18("7","8","3","2","8","6","1") = "7"
    & skf18("7","8","3","2","8","7","1") = "7"
    & skf18("7","8","3","2","8","8","1") = "7"
    & skf18("7","8","3","2","8","9","1") = "8"
    & skf18("7","8","3","2","8","10","1") = "9"
    & skf18("7","8","3","2","9","1","1") = "8"
    & skf18("7","8","3","2","9","2","1") = "8"
    & skf18("7","8","3","2","9","3","1") = "8"
    & skf18("7","8","3","2","9","4","1") = "8"
    & skf18("7","8","3","2","9","5","1") = "8"
    & skf18("7","8","3","2","9","6","1") = "8"
    & skf18("7","8","3","2","9","7","1") = "8"
    & skf18("7","8","3","2","9","8","1") = "8"
    & skf18("7","8","3","2","9","9","1") = "8"
    & skf18("7","8","3","2","9","10","1") = "9"
    & skf18("7","8","3","2","10","1","1") = "9"
    & skf18("7","8","3","2","10","2","1") = "9"
    & skf18("7","8","3","2","10","3","1") = "9"
    & skf18("7","8","3","2","10","4","1") = "9"
    & skf18("7","8","3","2","10","5","1") = "9"
    & skf18("7","8","3","2","10","6","1") = "9"
    & skf18("7","8","3","2","10","7","1") = "9"
    & skf18("7","8","3","2","10","8","1") = "9"
    & skf18("7","8","3","2","10","9","1") = "9"
    & skf18("7","8","3","2","10","10","1") = "9"
    & skf18("7","8","3","3","1","1","1") = "7"
    & skf18("7","8","3","3","1","2","1") = "7"
    & skf18("7","8","3","3","1","3","1") = "7"
    & skf18("7","8","3","3","1","4","1") = "7"
    & skf18("7","8","3","3","1","5","1") = "7"
    & skf18("7","8","3","3","1","6","1") = "7"
    & skf18("7","8","3","3","1","7","1") = "7"
    & skf18("7","8","3","3","1","8","1") = "7"
    & skf18("7","8","3","3","1","9","1") = "8"
    & skf18("7","8","3","3","1","10","1") = "9"
    & skf18("7","8","3","3","2","1","1") = "7"
    & skf18("7","8","3","3","2","2","1") = "7"
    & skf18("7","8","3","3","2","3","1") = "7"
    & skf18("7","8","3","3","2","4","1") = "7"
    & skf18("7","8","3","3","2","5","1") = "7"
    & skf18("7","8","3","3","2","6","1") = "7"
    & skf18("7","8","3","3","2","7","1") = "7"
    & skf18("7","8","3","3","2","8","1") = "7"
    & skf18("7","8","3","3","2","9","1") = "8"
    & skf18("7","8","3","3","2","10","1") = "9"
    & skf18("7","8","3","3","3","1","1") = "7"
    & skf18("7","8","3","3","3","2","1") = "7"
    & skf18("7","8","3","3","3","3","1") = "7"
    & skf18("7","8","3","3","3","4","1") = "7"
    & skf18("7","8","3","3","3","5","1") = "7"
    & skf18("7","8","3","3","3","6","1") = "7"
    & skf18("7","8","3","3","3","7","1") = "7"
    & skf18("7","8","3","3","3","8","1") = "7"
    & skf18("7","8","3","3","3","9","1") = "8"
    & skf18("7","8","3","3","3","10","1") = "9"
    & skf18("7","8","3","3","4","1","1") = "7"
    & skf18("7","8","3","3","4","2","1") = "7"
    & skf18("7","8","3","3","4","3","1") = "7"
    & skf18("7","8","3","3","4","4","1") = "7"
    & skf18("7","8","3","3","4","5","1") = "7"
    & skf18("7","8","3","3","4","6","1") = "7"
    & skf18("7","8","3","3","4","7","1") = "7"
    & skf18("7","8","3","3","4","8","1") = "7"
    & skf18("7","8","3","3","4","9","1") = "8"
    & skf18("7","8","3","3","4","10","1") = "9"
    & skf18("7","8","3","3","5","1","1") = "7"
    & skf18("7","8","3","3","5","2","1") = "7"
    & skf18("7","8","3","3","5","3","1") = "7"
    & skf18("7","8","3","3","5","4","1") = "7"
    & skf18("7","8","3","3","5","5","1") = "7"
    & skf18("7","8","3","3","5","6","1") = "7"
    & skf18("7","8","3","3","5","7","1") = "7"
    & skf18("7","8","3","3","5","8","1") = "7"
    & skf18("7","8","3","3","5","9","1") = "8"
    & skf18("7","8","3","3","5","10","1") = "9"
    & skf18("7","8","3","3","6","1","1") = "7"
    & skf18("7","8","3","3","6","2","1") = "7"
    & skf18("7","8","3","3","6","3","1") = "7"
    & skf18("7","8","3","3","6","4","1") = "7"
    & skf18("7","8","3","3","6","5","1") = "7"
    & skf18("7","8","3","3","6","6","1") = "7"
    & skf18("7","8","3","3","6","7","1") = "7"
    & skf18("7","8","3","3","6","8","1") = "7"
    & skf18("7","8","3","3","6","9","1") = "8"
    & skf18("7","8","3","3","6","10","1") = "9"
    & skf18("7","8","3","3","7","1","1") = "7"
    & skf18("7","8","3","3","7","2","1") = "7"
    & skf18("7","8","3","3","7","3","1") = "7"
    & skf18("7","8","3","3","7","4","1") = "7"
    & skf18("7","8","3","3","7","5","1") = "7"
    & skf18("7","8","3","3","7","6","1") = "7"
    & skf18("7","8","3","3","7","7","1") = "7"
    & skf18("7","8","3","3","7","8","1") = "7"
    & skf18("7","8","3","3","7","9","1") = "8"
    & skf18("7","8","3","3","7","10","1") = "9"
    & skf18("7","8","3","3","8","1","1") = "7"
    & skf18("7","8","3","3","8","2","1") = "7"
    & skf18("7","8","3","3","8","3","1") = "7"
    & skf18("7","8","3","3","8","4","1") = "7"
    & skf18("7","8","3","3","8","5","1") = "7"
    & skf18("7","8","3","3","8","6","1") = "7"
    & skf18("7","8","3","3","8","7","1") = "7"
    & skf18("7","8","3","3","8","8","1") = "7"
    & skf18("7","8","3","3","8","9","1") = "8"
    & skf18("7","8","3","3","8","10","1") = "9"
    & skf18("7","8","3","3","9","1","1") = "8"
    & skf18("7","8","3","3","9","2","1") = "8"
    & skf18("7","8","3","3","9","3","1") = "8"
    & skf18("7","8","3","3","9","4","1") = "8"
    & skf18("7","8","3","3","9","5","1") = "8"
    & skf18("7","8","3","3","9","6","1") = "8"
    & skf18("7","8","3","3","9","7","1") = "8"
    & skf18("7","8","3","3","9","8","1") = "8"
    & skf18("7","8","3","3","9","9","1") = "8"
    & skf18("7","8","3","3","9","10","1") = "9"
    & skf18("7","8","3","3","10","1","1") = "9"
    & skf18("7","8","3","3","10","2","1") = "9"
    & skf18("7","8","3","3","10","3","1") = "9"
    & skf18("7","8","3","3","10","4","1") = "9"
    & skf18("7","8","3","3","10","5","1") = "9"
    & skf18("7","8","3","3","10","6","1") = "9"
    & skf18("7","8","3","3","10","7","1") = "9"
    & skf18("7","8","3","3","10","8","1") = "9"
    & skf18("7","8","3","3","10","9","1") = "9"
    & skf18("7","8","3","3","10","10","1") = "9"
    & skf18("7","8","3","4","1","1","1") = "7"
    & skf18("7","8","3","4","1","2","1") = "7"
    & skf18("7","8","3","4","1","3","1") = "7"
    & skf18("7","8","3","4","1","4","1") = "7"
    & skf18("7","8","3","4","1","5","1") = "7"
    & skf18("7","8","3","4","1","6","1") = "7"
    & skf18("7","8","3","4","1","7","1") = "7"
    & skf18("7","8","3","4","1","8","1") = "7"
    & skf18("7","8","3","4","1","9","1") = "8"
    & skf18("7","8","3","4","1","10","1") = "9"
    & skf18("7","8","3","4","2","1","1") = "7"
    & skf18("7","8","3","4","2","2","1") = "7"
    & skf18("7","8","3","4","2","3","1") = "7"
    & skf18("7","8","3","4","2","4","1") = "7"
    & skf18("7","8","3","4","2","5","1") = "7"
    & skf18("7","8","3","4","2","6","1") = "7"
    & skf18("7","8","3","4","2","7","1") = "7"
    & skf18("7","8","3","4","2","8","1") = "7"
    & skf18("7","8","3","4","2","9","1") = "8"
    & skf18("7","8","3","4","2","10","1") = "9"
    & skf18("7","8","3","4","3","1","1") = "7"
    & skf18("7","8","3","4","3","2","1") = "7"
    & skf18("7","8","3","4","3","3","1") = "7"
    & skf18("7","8","3","4","3","4","1") = "7"
    & skf18("7","8","3","4","3","5","1") = "7"
    & skf18("7","8","3","4","3","6","1") = "7"
    & skf18("7","8","3","4","3","7","1") = "7"
    & skf18("7","8","3","4","3","8","1") = "7"
    & skf18("7","8","3","4","3","9","1") = "8"
    & skf18("7","8","3","4","3","10","1") = "9"
    & skf18("7","8","3","4","4","1","1") = "7"
    & skf18("7","8","3","4","4","2","1") = "7"
    & skf18("7","8","3","4","4","3","1") = "7"
    & skf18("7","8","3","4","4","4","1") = "7"
    & skf18("7","8","3","4","4","5","1") = "7"
    & skf18("7","8","3","4","4","6","1") = "7"
    & skf18("7","8","3","4","4","7","1") = "7"
    & skf18("7","8","3","4","4","8","1") = "7"
    & skf18("7","8","3","4","4","9","1") = "8"
    & skf18("7","8","3","4","4","10","1") = "9"
    & skf18("7","8","3","4","5","1","1") = "7"
    & skf18("7","8","3","4","5","2","1") = "7"
    & skf18("7","8","3","4","5","3","1") = "7"
    & skf18("7","8","3","4","5","4","1") = "7"
    & skf18("7","8","3","4","5","5","1") = "7"
    & skf18("7","8","3","4","5","6","1") = "7"
    & skf18("7","8","3","4","5","7","1") = "7"
    & skf18("7","8","3","4","5","8","1") = "7"
    & skf18("7","8","3","4","5","9","1") = "8"
    & skf18("7","8","3","4","5","10","1") = "9"
    & skf18("7","8","3","4","6","1","1") = "7"
    & skf18("7","8","3","4","6","2","1") = "7"
    & skf18("7","8","3","4","6","3","1") = "7"
    & skf18("7","8","3","4","6","4","1") = "7"
    & skf18("7","8","3","4","6","5","1") = "7"
    & skf18("7","8","3","4","6","6","1") = "7"
    & skf18("7","8","3","4","6","7","1") = "7"
    & skf18("7","8","3","4","6","8","1") = "7"
    & skf18("7","8","3","4","6","9","1") = "8"
    & skf18("7","8","3","4","6","10","1") = "9"
    & skf18("7","8","3","4","7","1","1") = "7"
    & skf18("7","8","3","4","7","2","1") = "7"
    & skf18("7","8","3","4","7","3","1") = "7"
    & skf18("7","8","3","4","7","4","1") = "7"
    & skf18("7","8","3","4","7","5","1") = "7"
    & skf18("7","8","3","4","7","6","1") = "7"
    & skf18("7","8","3","4","7","7","1") = "7"
    & skf18("7","8","3","4","7","8","1") = "7"
    & skf18("7","8","3","4","7","9","1") = "8"
    & skf18("7","8","3","4","7","10","1") = "9"
    & skf18("7","8","3","4","8","1","1") = "7"
    & skf18("7","8","3","4","8","2","1") = "7"
    & skf18("7","8","3","4","8","3","1") = "7"
    & skf18("7","8","3","4","8","4","1") = "7"
    & skf18("7","8","3","4","8","5","1") = "7"
    & skf18("7","8","3","4","8","6","1") = "7"
    & skf18("7","8","3","4","8","7","1") = "7"
    & skf18("7","8","3","4","8","8","1") = "7"
    & skf18("7","8","3","4","8","9","1") = "8"
    & skf18("7","8","3","4","8","10","1") = "9"
    & skf18("7","8","3","4","9","1","1") = "8"
    & skf18("7","8","3","4","9","2","1") = "8"
    & skf18("7","8","3","4","9","3","1") = "8"
    & skf18("7","8","3","4","9","4","1") = "8"
    & skf18("7","8","3","4","9","5","1") = "8"
    & skf18("7","8","3","4","9","6","1") = "8"
    & skf18("7","8","3","4","9","7","1") = "8"
    & skf18("7","8","3","4","9","8","1") = "8"
    & skf18("7","8","3","4","9","9","1") = "8"
    & skf18("7","8","3","4","9","10","1") = "9"
    & skf18("7","8","3","4","10","1","1") = "9"
    & skf18("7","8","3","4","10","2","1") = "9"
    & skf18("7","8","3","4","10","3","1") = "9"
    & skf18("7","8","3","4","10","4","1") = "9"
    & skf18("7","8","3","4","10","5","1") = "9"
    & skf18("7","8","3","4","10","6","1") = "9"
    & skf18("7","8","3","4","10","7","1") = "9"
    & skf18("7","8","3","4","10","8","1") = "9"
    & skf18("7","8","3","4","10","9","1") = "9"
    & skf18("7","8","3","4","10","10","1") = "9"
    & skf18("7","8","3","5","1","1","1") = "7"
    & skf18("7","8","3","5","1","2","1") = "7"
    & skf18("7","8","3","5","1","3","1") = "7"
    & skf18("7","8","3","5","1","4","1") = "7"
    & skf18("7","8","3","5","1","5","1") = "7"
    & skf18("7","8","3","5","1","6","1") = "7"
    & skf18("7","8","3","5","1","7","1") = "7"
    & skf18("7","8","3","5","1","8","1") = "7"
    & skf18("7","8","3","5","1","9","1") = "8"
    & skf18("7","8","3","5","1","10","1") = "9"
    & skf18("7","8","3","5","2","1","1") = "7"
    & skf18("7","8","3","5","2","2","1") = "7"
    & skf18("7","8","3","5","2","3","1") = "7"
    & skf18("7","8","3","5","2","4","1") = "7"
    & skf18("7","8","3","5","2","5","1") = "7"
    & skf18("7","8","3","5","2","6","1") = "7"
    & skf18("7","8","3","5","2","7","1") = "7"
    & skf18("7","8","3","5","2","8","1") = "7"
    & skf18("7","8","3","5","2","9","1") = "8"
    & skf18("7","8","3","5","2","10","1") = "9"
    & skf18("7","8","3","5","3","1","1") = "7"
    & skf18("7","8","3","5","3","2","1") = "7"
    & skf18("7","8","3","5","3","3","1") = "7"
    & skf18("7","8","3","5","3","4","1") = "7"
    & skf18("7","8","3","5","3","5","1") = "7"
    & skf18("7","8","3","5","3","6","1") = "7"
    & skf18("7","8","3","5","3","7","1") = "7"
    & skf18("7","8","3","5","3","8","1") = "7"
    & skf18("7","8","3","5","3","9","1") = "8"
    & skf18("7","8","3","5","3","10","1") = "9"
    & skf18("7","8","3","5","4","1","1") = "7"
    & skf18("7","8","3","5","4","2","1") = "7"
    & skf18("7","8","3","5","4","3","1") = "7"
    & skf18("7","8","3","5","4","4","1") = "7"
    & skf18("7","8","3","5","4","5","1") = "7"
    & skf18("7","8","3","5","4","6","1") = "7"
    & skf18("7","8","3","5","4","7","1") = "7"
    & skf18("7","8","3","5","4","8","1") = "7"
    & skf18("7","8","3","5","4","9","1") = "8"
    & skf18("7","8","3","5","4","10","1") = "9"
    & skf18("7","8","3","5","5","1","1") = "7"
    & skf18("7","8","3","5","5","2","1") = "7"
    & skf18("7","8","3","5","5","3","1") = "7"
    & skf18("7","8","3","5","5","4","1") = "7"
    & skf18("7","8","3","5","5","5","1") = "7"
    & skf18("7","8","3","5","5","6","1") = "7"
    & skf18("7","8","3","5","5","7","1") = "7"
    & skf18("7","8","3","5","5","8","1") = "7"
    & skf18("7","8","3","5","5","9","1") = "8"
    & skf18("7","8","3","5","5","10","1") = "9"
    & skf18("7","8","3","5","6","1","1") = "7"
    & skf18("7","8","3","5","6","2","1") = "7"
    & skf18("7","8","3","5","6","3","1") = "7"
    & skf18("7","8","3","5","6","4","1") = "7"
    & skf18("7","8","3","5","6","5","1") = "7"
    & skf18("7","8","3","5","6","6","1") = "7"
    & skf18("7","8","3","5","6","7","1") = "7"
    & skf18("7","8","3","5","6","8","1") = "7"
    & skf18("7","8","3","5","6","9","1") = "8"
    & skf18("7","8","3","5","6","10","1") = "9"
    & skf18("7","8","3","5","7","1","1") = "7"
    & skf18("7","8","3","5","7","2","1") = "7"
    & skf18("7","8","3","5","7","3","1") = "7"
    & skf18("7","8","3","5","7","4","1") = "7"
    & skf18("7","8","3","5","7","5","1") = "7"
    & skf18("7","8","3","5","7","6","1") = "7"
    & skf18("7","8","3","5","7","7","1") = "7"
    & skf18("7","8","3","5","7","8","1") = "7"
    & skf18("7","8","3","5","7","9","1") = "8"
    & skf18("7","8","3","5","7","10","1") = "9"
    & skf18("7","8","3","5","8","1","1") = "7"
    & skf18("7","8","3","5","8","2","1") = "7"
    & skf18("7","8","3","5","8","3","1") = "7"
    & skf18("7","8","3","5","8","4","1") = "7"
    & skf18("7","8","3","5","8","5","1") = "7"
    & skf18("7","8","3","5","8","6","1") = "7"
    & skf18("7","8","3","5","8","7","1") = "7"
    & skf18("7","8","3","5","8","8","1") = "7"
    & skf18("7","8","3","5","8","9","1") = "8"
    & skf18("7","8","3","5","8","10","1") = "9"
    & skf18("7","8","3","5","9","1","1") = "8"
    & skf18("7","8","3","5","9","2","1") = "8"
    & skf18("7","8","3","5","9","3","1") = "8"
    & skf18("7","8","3","5","9","4","1") = "8"
    & skf18("7","8","3","5","9","5","1") = "8"
    & skf18("7","8","3","5","9","6","1") = "8"
    & skf18("7","8","3","5","9","7","1") = "8"
    & skf18("7","8","3","5","9","8","1") = "8"
    & skf18("7","8","3","5","9","9","1") = "8"
    & skf18("7","8","3","5","9","10","1") = "9"
    & skf18("7","8","3","5","10","1","1") = "9"
    & skf18("7","8","3","5","10","2","1") = "9"
    & skf18("7","8","3","5","10","3","1") = "9"
    & skf18("7","8","3","5","10","4","1") = "9"
    & skf18("7","8","3","5","10","5","1") = "9"
    & skf18("7","8","3","5","10","6","1") = "9"
    & skf18("7","8","3","5","10","7","1") = "9"
    & skf18("7","8","3","5","10","8","1") = "9"
    & skf18("7","8","3","5","10","9","1") = "9"
    & skf18("7","8","3","5","10","10","1") = "9"
    & skf18("7","8","3","6","1","1","1") = "7"
    & skf18("7","8","3","6","1","2","1") = "7"
    & skf18("7","8","3","6","1","3","1") = "7"
    & skf18("7","8","3","6","1","4","1") = "7"
    & skf18("7","8","3","6","1","5","1") = "7"
    & skf18("7","8","3","6","1","6","1") = "7"
    & skf18("7","8","3","6","1","7","1") = "7"
    & skf18("7","8","3","6","1","8","1") = "7"
    & skf18("7","8","3","6","1","9","1") = "8"
    & skf18("7","8","3","6","1","10","1") = "9"
    & skf18("7","8","3","6","2","1","1") = "7"
    & skf18("7","8","3","6","2","2","1") = "7"
    & skf18("7","8","3","6","2","3","1") = "7"
    & skf18("7","8","3","6","2","4","1") = "7"
    & skf18("7","8","3","6","2","5","1") = "7"
    & skf18("7","8","3","6","2","6","1") = "7"
    & skf18("7","8","3","6","2","7","1") = "7"
    & skf18("7","8","3","6","2","8","1") = "7"
    & skf18("7","8","3","6","2","9","1") = "8"
    & skf18("7","8","3","6","2","10","1") = "9"
    & skf18("7","8","3","6","3","1","1") = "7"
    & skf18("7","8","3","6","3","2","1") = "7"
    & skf18("7","8","3","6","3","3","1") = "7"
    & skf18("7","8","3","6","3","4","1") = "7"
    & skf18("7","8","3","6","3","5","1") = "7"
    & skf18("7","8","3","6","3","6","1") = "7"
    & skf18("7","8","3","6","3","7","1") = "7"
    & skf18("7","8","3","6","3","8","1") = "7"
    & skf18("7","8","3","6","3","9","1") = "8"
    & skf18("7","8","3","6","3","10","1") = "9"
    & skf18("7","8","3","6","4","1","1") = "7"
    & skf18("7","8","3","6","4","2","1") = "7"
    & skf18("7","8","3","6","4","3","1") = "7"
    & skf18("7","8","3","6","4","4","1") = "7"
    & skf18("7","8","3","6","4","5","1") = "7"
    & skf18("7","8","3","6","4","6","1") = "7"
    & skf18("7","8","3","6","4","7","1") = "7"
    & skf18("7","8","3","6","4","8","1") = "7"
    & skf18("7","8","3","6","4","9","1") = "8"
    & skf18("7","8","3","6","4","10","1") = "9"
    & skf18("7","8","3","6","5","1","1") = "7"
    & skf18("7","8","3","6","5","2","1") = "7"
    & skf18("7","8","3","6","5","3","1") = "7"
    & skf18("7","8","3","6","5","4","1") = "7"
    & skf18("7","8","3","6","5","5","1") = "7"
    & skf18("7","8","3","6","5","6","1") = "7"
    & skf18("7","8","3","6","5","7","1") = "7"
    & skf18("7","8","3","6","5","8","1") = "7"
    & skf18("7","8","3","6","5","9","1") = "8"
    & skf18("7","8","3","6","5","10","1") = "9"
    & skf18("7","8","3","6","6","1","1") = "7"
    & skf18("7","8","3","6","6","2","1") = "7"
    & skf18("7","8","3","6","6","3","1") = "7"
    & skf18("7","8","3","6","6","4","1") = "7"
    & skf18("7","8","3","6","6","5","1") = "7"
    & skf18("7","8","3","6","6","6","1") = "7"
    & skf18("7","8","3","6","6","7","1") = "7"
    & skf18("7","8","3","6","6","8","1") = "7"
    & skf18("7","8","3","6","6","9","1") = "8"
    & skf18("7","8","3","6","6","10","1") = "9"
    & skf18("7","8","3","6","7","1","1") = "7"
    & skf18("7","8","3","6","7","2","1") = "7"
    & skf18("7","8","3","6","7","3","1") = "7"
    & skf18("7","8","3","6","7","4","1") = "7"
    & skf18("7","8","3","6","7","5","1") = "7"
    & skf18("7","8","3","6","7","6","1") = "7"
    & skf18("7","8","3","6","7","7","1") = "7"
    & skf18("7","8","3","6","7","8","1") = "7"
    & skf18("7","8","3","6","7","9","1") = "8"
    & skf18("7","8","3","6","7","10","1") = "9"
    & skf18("7","8","3","6","8","1","1") = "7"
    & skf18("7","8","3","6","8","2","1") = "7"
    & skf18("7","8","3","6","8","3","1") = "7"
    & skf18("7","8","3","6","8","4","1") = "7"
    & skf18("7","8","3","6","8","5","1") = "7"
    & skf18("7","8","3","6","8","6","1") = "7"
    & skf18("7","8","3","6","8","7","1") = "7"
    & skf18("7","8","3","6","8","8","1") = "7"
    & skf18("7","8","3","6","8","9","1") = "8"
    & skf18("7","8","3","6","8","10","1") = "9"
    & skf18("7","8","3","6","9","1","1") = "8"
    & skf18("7","8","3","6","9","2","1") = "8"
    & skf18("7","8","3","6","9","3","1") = "8"
    & skf18("7","8","3","6","9","4","1") = "8"
    & skf18("7","8","3","6","9","5","1") = "8"
    & skf18("7","8","3","6","9","6","1") = "8"
    & skf18("7","8","3","6","9","7","1") = "8"
    & skf18("7","8","3","6","9","8","1") = "8"
    & skf18("7","8","3","6","9","9","1") = "8"
    & skf18("7","8","3","6","9","10","1") = "9"
    & skf18("7","8","3","6","10","1","1") = "9"
    & skf18("7","8","3","6","10","2","1") = "9"
    & skf18("7","8","3","6","10","3","1") = "9"
    & skf18("7","8","3","6","10","4","1") = "9"
    & skf18("7","8","3","6","10","5","1") = "9"
    & skf18("7","8","3","6","10","6","1") = "9"
    & skf18("7","8","3","6","10","7","1") = "9"
    & skf18("7","8","3","6","10","8","1") = "9"
    & skf18("7","8","3","6","10","9","1") = "9"
    & skf18("7","8","3","6","10","10","1") = "9"
    & skf18("7","8","3","7","1","1","1") = "7"
    & skf18("7","8","3","7","1","2","1") = "7"
    & skf18("7","8","3","7","1","3","1") = "7"
    & skf18("7","8","3","7","1","4","1") = "7"
    & skf18("7","8","3","7","1","5","1") = "7"
    & skf18("7","8","3","7","1","6","1") = "7"
    & skf18("7","8","3","7","1","7","1") = "7"
    & skf18("7","8","3","7","1","8","1") = "7"
    & skf18("7","8","3","7","1","9","1") = "8"
    & skf18("7","8","3","7","1","10","1") = "9"
    & skf18("7","8","3","7","2","1","1") = "7"
    & skf18("7","8","3","7","2","2","1") = "7"
    & skf18("7","8","3","7","2","3","1") = "7"
    & skf18("7","8","3","7","2","4","1") = "7"
    & skf18("7","8","3","7","2","5","1") = "7"
    & skf18("7","8","3","7","2","6","1") = "7"
    & skf18("7","8","3","7","2","7","1") = "7"
    & skf18("7","8","3","7","2","8","1") = "7"
    & skf18("7","8","3","7","2","9","1") = "8"
    & skf18("7","8","3","7","2","10","1") = "9"
    & skf18("7","8","3","7","3","1","1") = "7"
    & skf18("7","8","3","7","3","2","1") = "7"
    & skf18("7","8","3","7","3","3","1") = "7"
    & skf18("7","8","3","7","3","4","1") = "7"
    & skf18("7","8","3","7","3","5","1") = "7"
    & skf18("7","8","3","7","3","6","1") = "7"
    & skf18("7","8","3","7","3","7","1") = "7"
    & skf18("7","8","3","7","3","8","1") = "7"
    & skf18("7","8","3","7","3","9","1") = "8"
    & skf18("7","8","3","7","3","10","1") = "9"
    & skf18("7","8","3","7","4","1","1") = "7"
    & skf18("7","8","3","7","4","2","1") = "7"
    & skf18("7","8","3","7","4","3","1") = "7"
    & skf18("7","8","3","7","4","4","1") = "7"
    & skf18("7","8","3","7","4","5","1") = "7"
    & skf18("7","8","3","7","4","6","1") = "7"
    & skf18("7","8","3","7","4","7","1") = "7"
    & skf18("7","8","3","7","4","8","1") = "7"
    & skf18("7","8","3","7","4","9","1") = "8"
    & skf18("7","8","3","7","4","10","1") = "9"
    & skf18("7","8","3","7","5","1","1") = "7"
    & skf18("7","8","3","7","5","2","1") = "7"
    & skf18("7","8","3","7","5","3","1") = "7"
    & skf18("7","8","3","7","5","4","1") = "7"
    & skf18("7","8","3","7","5","5","1") = "7"
    & skf18("7","8","3","7","5","6","1") = "7"
    & skf18("7","8","3","7","5","7","1") = "7"
    & skf18("7","8","3","7","5","8","1") = "7"
    & skf18("7","8","3","7","5","9","1") = "8"
    & skf18("7","8","3","7","5","10","1") = "9"
    & skf18("7","8","3","7","6","1","1") = "7"
    & skf18("7","8","3","7","6","2","1") = "7"
    & skf18("7","8","3","7","6","3","1") = "7"
    & skf18("7","8","3","7","6","4","1") = "7"
    & skf18("7","8","3","7","6","5","1") = "7"
    & skf18("7","8","3","7","6","6","1") = "7"
    & skf18("7","8","3","7","6","7","1") = "7"
    & skf18("7","8","3","7","6","8","1") = "7"
    & skf18("7","8","3","7","6","9","1") = "8"
    & skf18("7","8","3","7","6","10","1") = "9"
    & skf18("7","8","3","7","7","1","1") = "7"
    & skf18("7","8","3","7","7","2","1") = "7"
    & skf18("7","8","3","7","7","3","1") = "7"
    & skf18("7","8","3","7","7","4","1") = "7"
    & skf18("7","8","3","7","7","5","1") = "7"
    & skf18("7","8","3","7","7","6","1") = "7"
    & skf18("7","8","3","7","7","7","1") = "7"
    & skf18("7","8","3","7","7","8","1") = "7"
    & skf18("7","8","3","7","7","9","1") = "8"
    & skf18("7","8","3","7","7","10","1") = "9"
    & skf18("7","8","3","7","8","1","1") = "7"
    & skf18("7","8","3","7","8","2","1") = "7"
    & skf18("7","8","3","7","8","3","1") = "7"
    & skf18("7","8","3","7","8","4","1") = "7"
    & skf18("7","8","3","7","8","5","1") = "7"
    & skf18("7","8","3","7","8","6","1") = "7"
    & skf18("7","8","3","7","8","7","1") = "7"
    & skf18("7","8","3","7","8","8","1") = "7"
    & skf18("7","8","3","7","8","9","1") = "8"
    & skf18("7","8","3","7","8","10","1") = "9"
    & skf18("7","8","3","7","9","1","1") = "8"
    & skf18("7","8","3","7","9","2","1") = "8"
    & skf18("7","8","3","7","9","3","1") = "8"
    & skf18("7","8","3","7","9","4","1") = "8"
    & skf18("7","8","3","7","9","5","1") = "8"
    & skf18("7","8","3","7","9","6","1") = "8"
    & skf18("7","8","3","7","9","7","1") = "8"
    & skf18("7","8","3","7","9","8","1") = "8"
    & skf18("7","8","3","7","9","9","1") = "8"
    & skf18("7","8","3","7","9","10","1") = "9"
    & skf18("7","8","3","7","10","1","1") = "9"
    & skf18("7","8","3","7","10","2","1") = "9"
    & skf18("7","8","3","7","10","3","1") = "9"
    & skf18("7","8","3","7","10","4","1") = "9"
    & skf18("7","8","3","7","10","5","1") = "9"
    & skf18("7","8","3","7","10","6","1") = "9"
    & skf18("7","8","3","7","10","7","1") = "9"
    & skf18("7","8","3","7","10","8","1") = "9"
    & skf18("7","8","3","7","10","9","1") = "9"
    & skf18("7","8","3","7","10","10","1") = "9"
    & skf18("7","8","3","8","1","1","1") = "7"
    & skf18("7","8","3","8","1","2","1") = "7"
    & skf18("7","8","3","8","1","3","1") = "7"
    & skf18("7","8","3","8","1","4","1") = "7"
    & skf18("7","8","3","8","1","5","1") = "7"
    & skf18("7","8","3","8","1","6","1") = "7"
    & skf18("7","8","3","8","1","7","1") = "7"
    & skf18("7","8","3","8","1","8","1") = "7"
    & skf18("7","8","3","8","1","9","1") = "8"
    & skf18("7","8","3","8","1","10","1") = "9"
    & skf18("7","8","3","8","2","1","1") = "7"
    & skf18("7","8","3","8","2","2","1") = "7"
    & skf18("7","8","3","8","2","3","1") = "7"
    & skf18("7","8","3","8","2","4","1") = "7"
    & skf18("7","8","3","8","2","5","1") = "7"
    & skf18("7","8","3","8","2","6","1") = "7"
    & skf18("7","8","3","8","2","7","1") = "7"
    & skf18("7","8","3","8","2","8","1") = "7"
    & skf18("7","8","3","8","2","9","1") = "8"
    & skf18("7","8","3","8","2","10","1") = "9"
    & skf18("7","8","3","8","3","1","1") = "7"
    & skf18("7","8","3","8","3","2","1") = "7"
    & skf18("7","8","3","8","3","3","1") = "7"
    & skf18("7","8","3","8","3","4","1") = "7"
    & skf18("7","8","3","8","3","5","1") = "7"
    & skf18("7","8","3","8","3","6","1") = "7"
    & skf18("7","8","3","8","3","7","1") = "7"
    & skf18("7","8","3","8","3","8","1") = "7"
    & skf18("7","8","3","8","3","9","1") = "8"
    & skf18("7","8","3","8","3","10","1") = "9"
    & skf18("7","8","3","8","4","1","1") = "7"
    & skf18("7","8","3","8","4","2","1") = "7"
    & skf18("7","8","3","8","4","3","1") = "7"
    & skf18("7","8","3","8","4","4","1") = "7"
    & skf18("7","8","3","8","4","5","1") = "7"
    & skf18("7","8","3","8","4","6","1") = "7"
    & skf18("7","8","3","8","4","7","1") = "7"
    & skf18("7","8","3","8","4","8","1") = "7"
    & skf18("7","8","3","8","4","9","1") = "8"
    & skf18("7","8","3","8","4","10","1") = "9"
    & skf18("7","8","3","8","5","1","1") = "7"
    & skf18("7","8","3","8","5","2","1") = "7"
    & skf18("7","8","3","8","5","3","1") = "7"
    & skf18("7","8","3","8","5","4","1") = "7"
    & skf18("7","8","3","8","5","5","1") = "7"
    & skf18("7","8","3","8","5","6","1") = "7"
    & skf18("7","8","3","8","5","7","1") = "7"
    & skf18("7","8","3","8","5","8","1") = "7"
    & skf18("7","8","3","8","5","9","1") = "8"
    & skf18("7","8","3","8","5","10","1") = "9"
    & skf18("7","8","3","8","6","1","1") = "7"
    & skf18("7","8","3","8","6","2","1") = "7"
    & skf18("7","8","3","8","6","3","1") = "7"
    & skf18("7","8","3","8","6","4","1") = "7"
    & skf18("7","8","3","8","6","5","1") = "7"
    & skf18("7","8","3","8","6","6","1") = "7"
    & skf18("7","8","3","8","6","7","1") = "7"
    & skf18("7","8","3","8","6","8","1") = "7"
    & skf18("7","8","3","8","6","9","1") = "8"
    & skf18("7","8","3","8","6","10","1") = "9"
    & skf18("7","8","3","8","7","1","1") = "7"
    & skf18("7","8","3","8","7","2","1") = "7"
    & skf18("7","8","3","8","7","3","1") = "7"
    & skf18("7","8","3","8","7","4","1") = "7"
    & skf18("7","8","3","8","7","5","1") = "7"
    & skf18("7","8","3","8","7","6","1") = "7"
    & skf18("7","8","3","8","7","7","1") = "7"
    & skf18("7","8","3","8","7","8","1") = "7"
    & skf18("7","8","3","8","7","9","1") = "8"
    & skf18("7","8","3","8","7","10","1") = "9"
    & skf18("7","8","3","8","8","1","1") = "7"
    & skf18("7","8","3","8","8","2","1") = "7"
    & skf18("7","8","3","8","8","3","1") = "7"
    & skf18("7","8","3","8","8","4","1") = "7"
    & skf18("7","8","3","8","8","5","1") = "7"
    & skf18("7","8","3","8","8","6","1") = "7"
    & skf18("7","8","3","8","8","7","1") = "7"
    & skf18("7","8","3","8","8","8","1") = "7"
    & skf18("7","8","3","8","8","9","1") = "8"
    & skf18("7","8","3","8","8","10","1") = "9"
    & skf18("7","8","3","8","9","1","1") = "8"
    & skf18("7","8","3","8","9","2","1") = "8"
    & skf18("7","8","3","8","9","3","1") = "8"
    & skf18("7","8","3","8","9","4","1") = "8"
    & skf18("7","8","3","8","9","5","1") = "8"
    & skf18("7","8","3","8","9","6","1") = "8"
    & skf18("7","8","3","8","9","7","1") = "8"
    & skf18("7","8","3","8","9","8","1") = "8"
    & skf18("7","8","3","8","9","9","1") = "8"
    & skf18("7","8","3","8","9","10","1") = "9"
    & skf18("7","8","3","8","10","1","1") = "9"
    & skf18("7","8","3","8","10","2","1") = "9"
    & skf18("7","8","3","8","10","3","1") = "9"
    & skf18("7","8","3","8","10","4","1") = "9"
    & skf18("7","8","3","8","10","5","1") = "9"
    & skf18("7","8","3","8","10","6","1") = "9"
    & skf18("7","8","3","8","10","7","1") = "9"
    & skf18("7","8","3","8","10","8","1") = "9"
    & skf18("7","8","3","8","10","9","1") = "9"
    & skf18("7","8","3","8","10","10","1") = "9"
    & skf18("7","8","3","9","1","1","1") = "8"
    & skf18("7","8","3","9","1","2","1") = "8"
    & skf18("7","8","3","9","1","3","1") = "8"
    & skf18("7","8","3","9","1","4","1") = "8"
    & skf18("7","8","3","9","1","5","1") = "8"
    & skf18("7","8","3","9","1","6","1") = "8"
    & skf18("7","8","3","9","1","7","1") = "8"
    & skf18("7","8","3","9","1","8","1") = "8"
    & skf18("7","8","3","9","1","9","1") = "8"
    & skf18("7","8","3","9","1","10","1") = "9"
    & skf18("7","8","3","9","2","1","1") = "8"
    & skf18("7","8","3","9","2","2","1") = "8"
    & skf18("7","8","3","9","2","3","1") = "8"
    & skf18("7","8","3","9","2","4","1") = "8"
    & skf18("7","8","3","9","2","5","1") = "8"
    & skf18("7","8","3","9","2","6","1") = "8"
    & skf18("7","8","3","9","2","7","1") = "8"
    & skf18("7","8","3","9","2","8","1") = "8"
    & skf18("7","8","3","9","2","9","1") = "8"
    & skf18("7","8","3","9","2","10","1") = "9"
    & skf18("7","8","3","9","3","1","1") = "8"
    & skf18("7","8","3","9","3","2","1") = "8"
    & skf18("7","8","3","9","3","3","1") = "8"
    & skf18("7","8","3","9","3","4","1") = "8"
    & skf18("7","8","3","9","3","5","1") = "8"
    & skf18("7","8","3","9","3","6","1") = "8"
    & skf18("7","8","3","9","3","7","1") = "8"
    & skf18("7","8","3","9","3","8","1") = "8"
    & skf18("7","8","3","9","3","9","1") = "8"
    & skf18("7","8","3","9","3","10","1") = "9"
    & skf18("7","8","3","9","4","1","1") = "8"
    & skf18("7","8","3","9","4","2","1") = "8"
    & skf18("7","8","3","9","4","3","1") = "8"
    & skf18("7","8","3","9","4","4","1") = "8"
    & skf18("7","8","3","9","4","5","1") = "8"
    & skf18("7","8","3","9","4","6","1") = "8"
    & skf18("7","8","3","9","4","7","1") = "8"
    & skf18("7","8","3","9","4","8","1") = "8"
    & skf18("7","8","3","9","4","9","1") = "8"
    & skf18("7","8","3","9","4","10","1") = "9"
    & skf18("7","8","3","9","5","1","1") = "8"
    & skf18("7","8","3","9","5","2","1") = "8"
    & skf18("7","8","3","9","5","3","1") = "8"
    & skf18("7","8","3","9","5","4","1") = "8"
    & skf18("7","8","3","9","5","5","1") = "8"
    & skf18("7","8","3","9","5","6","1") = "8"
    & skf18("7","8","3","9","5","7","1") = "8"
    & skf18("7","8","3","9","5","8","1") = "8"
    & skf18("7","8","3","9","5","9","1") = "8"
    & skf18("7","8","3","9","5","10","1") = "9"
    & skf18("7","8","3","9","6","1","1") = "8"
    & skf18("7","8","3","9","6","2","1") = "8"
    & skf18("7","8","3","9","6","3","1") = "8"
    & skf18("7","8","3","9","6","4","1") = "8"
    & skf18("7","8","3","9","6","5","1") = "8"
    & skf18("7","8","3","9","6","6","1") = "8"
    & skf18("7","8","3","9","6","7","1") = "8"
    & skf18("7","8","3","9","6","8","1") = "8"
    & skf18("7","8","3","9","6","9","1") = "8"
    & skf18("7","8","3","9","6","10","1") = "9"
    & skf18("7","8","3","9","7","1","1") = "8"
    & skf18("7","8","3","9","7","2","1") = "8"
    & skf18("7","8","3","9","7","3","1") = "8"
    & skf18("7","8","3","9","7","4","1") = "8"
    & skf18("7","8","3","9","7","5","1") = "8"
    & skf18("7","8","3","9","7","6","1") = "8"
    & skf18("7","8","3","9","7","7","1") = "8"
    & skf18("7","8","3","9","7","8","1") = "8"
    & skf18("7","8","3","9","7","9","1") = "8"
    & skf18("7","8","3","9","7","10","1") = "9"
    & skf18("7","8","3","9","8","1","1") = "8"
    & skf18("7","8","3","9","8","2","1") = "8"
    & skf18("7","8","3","9","8","3","1") = "8"
    & skf18("7","8","3","9","8","4","1") = "8"
    & skf18("7","8","3","9","8","5","1") = "8"
    & skf18("7","8","3","9","8","6","1") = "8"
    & skf18("7","8","3","9","8","7","1") = "8"
    & skf18("7","8","3","9","8","8","1") = "8"
    & skf18("7","8","3","9","8","9","1") = "8"
    & skf18("7","8","3","9","8","10","1") = "9"
    & skf18("7","8","3","9","9","1","1") = "8"
    & skf18("7","8","3","9","9","2","1") = "8"
    & skf18("7","8","3","9","9","3","1") = "8"
    & skf18("7","8","3","9","9","4","1") = "8"
    & skf18("7","8","3","9","9","5","1") = "8"
    & skf18("7","8","3","9","9","6","1") = "8"
    & skf18("7","8","3","9","9","7","1") = "8"
    & skf18("7","8","3","9","9","8","1") = "8"
    & skf18("7","8","3","9","9","9","1") = "8"
    & skf18("7","8","3","9","9","10","1") = "9"
    & skf18("7","8","3","9","10","1","1") = "9"
    & skf18("7","8","3","9","10","2","1") = "9"
    & skf18("7","8","3","9","10","3","1") = "9"
    & skf18("7","8","3","9","10","4","1") = "9"
    & skf18("7","8","3","9","10","5","1") = "9"
    & skf18("7","8","3","9","10","6","1") = "9"
    & skf18("7","8","3","9","10","7","1") = "9"
    & skf18("7","8","3","9","10","8","1") = "9"
    & skf18("7","8","3","9","10","9","1") = "9"
    & skf18("7","8","3","9","10","10","1") = "9"
    & skf18("7","8","3","10","1","1","1") = "9"
    & skf18("7","8","3","10","1","2","1") = "9"
    & skf18("7","8","3","10","1","3","1") = "9"
    & skf18("7","8","3","10","1","4","1") = "9"
    & skf18("7","8","3","10","1","5","1") = "9"
    & skf18("7","8","3","10","1","6","1") = "9"
    & skf18("7","8","3","10","1","7","1") = "9"
    & skf18("7","8","3","10","1","8","1") = "9"
    & skf18("7","8","3","10","1","9","1") = "9"
    & skf18("7","8","3","10","1","10","1") = "9"
    & skf18("7","8","3","10","2","1","1") = "9"
    & skf18("7","8","3","10","2","2","1") = "9"
    & skf18("7","8","3","10","2","3","1") = "9"
    & skf18("7","8","3","10","2","4","1") = "9"
    & skf18("7","8","3","10","2","5","1") = "9"
    & skf18("7","8","3","10","2","6","1") = "9"
    & skf18("7","8","3","10","2","7","1") = "9"
    & skf18("7","8","3","10","2","8","1") = "9"
    & skf18("7","8","3","10","2","9","1") = "9"
    & skf18("7","8","3","10","2","10","1") = "9"
    & skf18("7","8","3","10","3","1","1") = "9"
    & skf18("7","8","3","10","3","2","1") = "9"
    & skf18("7","8","3","10","3","3","1") = "9"
    & skf18("7","8","3","10","3","4","1") = "9"
    & skf18("7","8","3","10","3","5","1") = "9"
    & skf18("7","8","3","10","3","6","1") = "9"
    & skf18("7","8","3","10","3","7","1") = "9"
    & skf18("7","8","3","10","3","8","1") = "9"
    & skf18("7","8","3","10","3","9","1") = "9"
    & skf18("7","8","3","10","3","10","1") = "9"
    & skf18("7","8","3","10","4","1","1") = "9"
    & skf18("7","8","3","10","4","2","1") = "9"
    & skf18("7","8","3","10","4","3","1") = "9"
    & skf18("7","8","3","10","4","4","1") = "9"
    & skf18("7","8","3","10","4","5","1") = "9"
    & skf18("7","8","3","10","4","6","1") = "9"
    & skf18("7","8","3","10","4","7","1") = "9"
    & skf18("7","8","3","10","4","8","1") = "9"
    & skf18("7","8","3","10","4","9","1") = "9"
    & skf18("7","8","3","10","4","10","1") = "9"
    & skf18("7","8","3","10","5","1","1") = "9"
    & skf18("7","8","3","10","5","2","1") = "9"
    & skf18("7","8","3","10","5","3","1") = "9"
    & skf18("7","8","3","10","5","4","1") = "9"
    & skf18("7","8","3","10","5","5","1") = "9"
    & skf18("7","8","3","10","5","6","1") = "9"
    & skf18("7","8","3","10","5","7","1") = "9"
    & skf18("7","8","3","10","5","8","1") = "9"
    & skf18("7","8","3","10","5","9","1") = "9"
    & skf18("7","8","3","10","5","10","1") = "9"
    & skf18("7","8","3","10","6","1","1") = "9"
    & skf18("7","8","3","10","6","2","1") = "9"
    & skf18("7","8","3","10","6","3","1") = "9"
    & skf18("7","8","3","10","6","4","1") = "9"
    & skf18("7","8","3","10","6","5","1") = "9"
    & skf18("7","8","3","10","6","6","1") = "9"
    & skf18("7","8","3","10","6","7","1") = "9"
    & skf18("7","8","3","10","6","8","1") = "9"
    & skf18("7","8","3","10","6","9","1") = "9"
    & skf18("7","8","3","10","6","10","1") = "9"
    & skf18("7","8","3","10","7","1","1") = "9"
    & skf18("7","8","3","10","7","2","1") = "9"
    & skf18("7","8","3","10","7","3","1") = "9"
    & skf18("7","8","3","10","7","4","1") = "9"
    & skf18("7","8","3","10","7","5","1") = "9"
    & skf18("7","8","3","10","7","6","1") = "9"
    & skf18("7","8","3","10","7","7","1") = "9"
    & skf18("7","8","3","10","7","8","1") = "9"
    & skf18("7","8","3","10","7","9","1") = "9"
    & skf18("7","8","3","10","7","10","1") = "9"
    & skf18("7","8","3","10","8","1","1") = "9"
    & skf18("7","8","3","10","8","2","1") = "9"
    & skf18("7","8","3","10","8","3","1") = "9"
    & skf18("7","8","3","10","8","4","1") = "9"
    & skf18("7","8","3","10","8","5","1") = "9"
    & skf18("7","8","3","10","8","6","1") = "9"
    & skf18("7","8","3","10","8","7","1") = "9"
    & skf18("7","8","3","10","8","8","1") = "9"
    & skf18("7","8","3","10","8","9","1") = "9"
    & skf18("7","8","3","10","8","10","1") = "9"
    & skf18("7","8","3","10","9","1","1") = "9"
    & skf18("7","8","3","10","9","2","1") = "9"
    & skf18("7","8","3","10","9","3","1") = "9"
    & skf18("7","8","3","10","9","4","1") = "9"
    & skf18("7","8","3","10","9","5","1") = "9"
    & skf18("7","8","3","10","9","6","1") = "9"
    & skf18("7","8","3","10","9","7","1") = "9"
    & skf18("7","8","3","10","9","8","1") = "9"
    & skf18("7","8","3","10","9","9","1") = "9"
    & skf18("7","8","3","10","9","10","1") = "9"
    & skf18("7","8","3","10","10","1","1") = "9"
    & skf18("7","8","3","10","10","2","1") = "9"
    & skf18("7","8","3","10","10","3","1") = "9"
    & skf18("7","8","3","10","10","4","1") = "9"
    & skf18("7","8","3","10","10","5","1") = "9"
    & skf18("7","8","3","10","10","6","1") = "9"
    & skf18("7","8","3","10","10","7","1") = "9"
    & skf18("7","8","3","10","10","8","1") = "9"
    & skf18("7","8","3","10","10","9","1") = "9"
    & skf18("7","8","3","10","10","10","1") = "9"
    & skf18("7","8","4","1","1","1","1") = "7"
    & skf18("7","8","4","1","1","2","1") = "7"
    & skf18("7","8","4","1","1","3","1") = "7"
    & skf18("7","8","4","1","1","4","1") = "7"
    & skf18("7","8","4","1","1","5","1") = "7"
    & skf18("7","8","4","1","1","6","1") = "7"
    & skf18("7","8","4","1","1","7","1") = "7"
    & skf18("7","8","4","1","1","8","1") = "7"
    & skf18("7","8","4","1","1","9","1") = "8"
    & skf18("7","8","4","1","1","10","1") = "9"
    & skf18("7","8","4","1","2","1","1") = "7"
    & skf18("7","8","4","1","2","2","1") = "7"
    & skf18("7","8","4","1","2","3","1") = "7"
    & skf18("7","8","4","1","2","4","1") = "7"
    & skf18("7","8","4","1","2","5","1") = "7"
    & skf18("7","8","4","1","2","6","1") = "7"
    & skf18("7","8","4","1","2","7","1") = "7"
    & skf18("7","8","4","1","2","8","1") = "7"
    & skf18("7","8","4","1","2","9","1") = "8"
    & skf18("7","8","4","1","2","10","1") = "9"
    & skf18("7","8","4","1","3","1","1") = "7"
    & skf18("7","8","4","1","3","2","1") = "7"
    & skf18("7","8","4","1","3","3","1") = "7"
    & skf18("7","8","4","1","3","4","1") = "7"
    & skf18("7","8","4","1","3","5","1") = "7"
    & skf18("7","8","4","1","3","6","1") = "7"
    & skf18("7","8","4","1","3","7","1") = "7"
    & skf18("7","8","4","1","3","8","1") = "7"
    & skf18("7","8","4","1","3","9","1") = "8"
    & skf18("7","8","4","1","3","10","1") = "9"
    & skf18("7","8","4","1","4","1","1") = "7"
    & skf18("7","8","4","1","4","2","1") = "7"
    & skf18("7","8","4","1","4","3","1") = "7"
    & skf18("7","8","4","1","4","4","1") = "7"
    & skf18("7","8","4","1","4","5","1") = "7"
    & skf18("7","8","4","1","4","6","1") = "7"
    & skf18("7","8","4","1","4","7","1") = "7"
    & skf18("7","8","4","1","4","8","1") = "7"
    & skf18("7","8","4","1","4","9","1") = "8"
    & skf18("7","8","4","1","4","10","1") = "9"
    & skf18("7","8","4","1","5","1","1") = "7"
    & skf18("7","8","4","1","5","2","1") = "7"
    & skf18("7","8","4","1","5","3","1") = "7"
    & skf18("7","8","4","1","5","4","1") = "7"
    & skf18("7","8","4","1","5","5","1") = "7"
    & skf18("7","8","4","1","5","6","1") = "7"
    & skf18("7","8","4","1","5","7","1") = "7"
    & skf18("7","8","4","1","5","8","1") = "7"
    & skf18("7","8","4","1","5","9","1") = "8"
    & skf18("7","8","4","1","5","10","1") = "9"
    & skf18("7","8","4","1","6","1","1") = "7"
    & skf18("7","8","4","1","6","2","1") = "7"
    & skf18("7","8","4","1","6","3","1") = "7"
    & skf18("7","8","4","1","6","4","1") = "7"
    & skf18("7","8","4","1","6","5","1") = "7"
    & skf18("7","8","4","1","6","6","1") = "7"
    & skf18("7","8","4","1","6","7","1") = "7"
    & skf18("7","8","4","1","6","8","1") = "7"
    & skf18("7","8","4","1","6","9","1") = "8"
    & skf18("7","8","4","1","6","10","1") = "9"
    & skf18("7","8","4","1","7","1","1") = "7"
    & skf18("7","8","4","1","7","2","1") = "7"
    & skf18("7","8","4","1","7","3","1") = "7"
    & skf18("7","8","4","1","7","4","1") = "7"
    & skf18("7","8","4","1","7","5","1") = "7"
    & skf18("7","8","4","1","7","6","1") = "7"
    & skf18("7","8","4","1","7","7","1") = "7"
    & skf18("7","8","4","1","7","8","1") = "7"
    & skf18("7","8","4","1","7","9","1") = "8"
    & skf18("7","8","4","1","7","10","1") = "9"
    & skf18("7","8","4","1","8","1","1") = "7"
    & skf18("7","8","4","1","8","2","1") = "7"
    & skf18("7","8","4","1","8","3","1") = "7"
    & skf18("7","8","4","1","8","4","1") = "7"
    & skf18("7","8","4","1","8","5","1") = "7"
    & skf18("7","8","4","1","8","6","1") = "7"
    & skf18("7","8","4","1","8","7","1") = "7"
    & skf18("7","8","4","1","8","8","1") = "7"
    & skf18("7","8","4","1","8","9","1") = "8"
    & skf18("7","8","4","1","8","10","1") = "9"
    & skf18("7","8","4","1","9","1","1") = "8"
    & skf18("7","8","4","1","9","2","1") = "8"
    & skf18("7","8","4","1","9","3","1") = "8"
    & skf18("7","8","4","1","9","4","1") = "8"
    & skf18("7","8","4","1","9","5","1") = "8"
    & skf18("7","8","4","1","9","6","1") = "8"
    & skf18("7","8","4","1","9","7","1") = "8"
    & skf18("7","8","4","1","9","8","1") = "8"
    & skf18("7","8","4","1","9","9","1") = "8"
    & skf18("7","8","4","1","9","10","1") = "9"
    & skf18("7","8","4","1","10","1","1") = "9"
    & skf18("7","8","4","1","10","2","1") = "9"
    & skf18("7","8","4","1","10","3","1") = "9"
    & skf18("7","8","4","1","10","4","1") = "9"
    & skf18("7","8","4","1","10","5","1") = "9"
    & skf18("7","8","4","1","10","6","1") = "9"
    & skf18("7","8","4","1","10","7","1") = "9"
    & skf18("7","8","4","1","10","8","1") = "9"
    & skf18("7","8","4","1","10","9","1") = "9"
    & skf18("7","8","4","1","10","10","1") = "9"
    & skf18("7","8","4","2","1","1","1") = "7"
    & skf18("7","8","4","2","1","2","1") = "7"
    & skf18("7","8","4","2","1","3","1") = "7"
    & skf18("7","8","4","2","1","4","1") = "7"
    & skf18("7","8","4","2","1","5","1") = "7"
    & skf18("7","8","4","2","1","6","1") = "7"
    & skf18("7","8","4","2","1","7","1") = "7"
    & skf18("7","8","4","2","1","8","1") = "7"
    & skf18("7","8","4","2","1","9","1") = "8"
    & skf18("7","8","4","2","1","10","1") = "9"
    & skf18("7","8","4","2","2","1","1") = "7"
    & skf18("7","8","4","2","2","2","1") = "7"
    & skf18("7","8","4","2","2","3","1") = "7"
    & skf18("7","8","4","2","2","4","1") = "7"
    & skf18("7","8","4","2","2","5","1") = "7"
    & skf18("7","8","4","2","2","6","1") = "7"
    & skf18("7","8","4","2","2","7","1") = "7"
    & skf18("7","8","4","2","2","8","1") = "7"
    & skf18("7","8","4","2","2","9","1") = "8"
    & skf18("7","8","4","2","2","10","1") = "9"
    & skf18("7","8","4","2","3","1","1") = "7"
    & skf18("7","8","4","2","3","2","1") = "7"
    & skf18("7","8","4","2","3","3","1") = "7"
    & skf18("7","8","4","2","3","4","1") = "7"
    & skf18("7","8","4","2","3","5","1") = "7"
    & skf18("7","8","4","2","3","6","1") = "7"
    & skf18("7","8","4","2","3","7","1") = "7"
    & skf18("7","8","4","2","3","8","1") = "7"
    & skf18("7","8","4","2","3","9","1") = "8"
    & skf18("7","8","4","2","3","10","1") = "9"
    & skf18("7","8","4","2","4","1","1") = "7"
    & skf18("7","8","4","2","4","2","1") = "7"
    & skf18("7","8","4","2","4","3","1") = "7"
    & skf18("7","8","4","2","4","4","1") = "7"
    & skf18("7","8","4","2","4","5","1") = "7"
    & skf18("7","8","4","2","4","6","1") = "7"
    & skf18("7","8","4","2","4","7","1") = "7"
    & skf18("7","8","4","2","4","8","1") = "7"
    & skf18("7","8","4","2","4","9","1") = "8"
    & skf18("7","8","4","2","4","10","1") = "9"
    & skf18("7","8","4","2","5","1","1") = "7"
    & skf18("7","8","4","2","5","2","1") = "7"
    & skf18("7","8","4","2","5","3","1") = "7"
    & skf18("7","8","4","2","5","4","1") = "7"
    & skf18("7","8","4","2","5","5","1") = "7"
    & skf18("7","8","4","2","5","6","1") = "7"
    & skf18("7","8","4","2","5","7","1") = "7"
    & skf18("7","8","4","2","5","8","1") = "7"
    & skf18("7","8","4","2","5","9","1") = "8"
    & skf18("7","8","4","2","5","10","1") = "9"
    & skf18("7","8","4","2","6","1","1") = "7"
    & skf18("7","8","4","2","6","2","1") = "7"
    & skf18("7","8","4","2","6","3","1") = "7"
    & skf18("7","8","4","2","6","4","1") = "7"
    & skf18("7","8","4","2","6","5","1") = "7"
    & skf18("7","8","4","2","6","6","1") = "7"
    & skf18("7","8","4","2","6","7","1") = "7"
    & skf18("7","8","4","2","6","8","1") = "7"
    & skf18("7","8","4","2","6","9","1") = "8"
    & skf18("7","8","4","2","6","10","1") = "9"
    & skf18("7","8","4","2","7","1","1") = "7"
    & skf18("7","8","4","2","7","2","1") = "7"
    & skf18("7","8","4","2","7","3","1") = "7"
    & skf18("7","8","4","2","7","4","1") = "7"
    & skf18("7","8","4","2","7","5","1") = "7"
    & skf18("7","8","4","2","7","6","1") = "7"
    & skf18("7","8","4","2","7","7","1") = "7"
    & skf18("7","8","4","2","7","8","1") = "7"
    & skf18("7","8","4","2","7","9","1") = "8"
    & skf18("7","8","4","2","7","10","1") = "9"
    & skf18("7","8","4","2","8","1","1") = "7"
    & skf18("7","8","4","2","8","2","1") = "7"
    & skf18("7","8","4","2","8","3","1") = "7"
    & skf18("7","8","4","2","8","4","1") = "7"
    & skf18("7","8","4","2","8","5","1") = "7"
    & skf18("7","8","4","2","8","6","1") = "7"
    & skf18("7","8","4","2","8","7","1") = "7"
    & skf18("7","8","4","2","8","8","1") = "7"
    & skf18("7","8","4","2","8","9","1") = "8"
    & skf18("7","8","4","2","8","10","1") = "9"
    & skf18("7","8","4","2","9","1","1") = "8"
    & skf18("7","8","4","2","9","2","1") = "8"
    & skf18("7","8","4","2","9","3","1") = "8"
    & skf18("7","8","4","2","9","4","1") = "8"
    & skf18("7","8","4","2","9","5","1") = "8"
    & skf18("7","8","4","2","9","6","1") = "8"
    & skf18("7","8","4","2","9","7","1") = "8"
    & skf18("7","8","4","2","9","8","1") = "8"
    & skf18("7","8","4","2","9","9","1") = "8"
    & skf18("7","8","4","2","9","10","1") = "9"
    & skf18("7","8","4","2","10","1","1") = "9"
    & skf18("7","8","4","2","10","2","1") = "9"
    & skf18("7","8","4","2","10","3","1") = "9"
    & skf18("7","8","4","2","10","4","1") = "9"
    & skf18("7","8","4","2","10","5","1") = "9"
    & skf18("7","8","4","2","10","6","1") = "9"
    & skf18("7","8","4","2","10","7","1") = "9"
    & skf18("7","8","4","2","10","8","1") = "9"
    & skf18("7","8","4","2","10","9","1") = "9"
    & skf18("7","8","4","2","10","10","1") = "9"
    & skf18("7","8","4","3","1","1","1") = "7"
    & skf18("7","8","4","3","1","2","1") = "7"
    & skf18("7","8","4","3","1","3","1") = "7"
    & skf18("7","8","4","3","1","4","1") = "7"
    & skf18("7","8","4","3","1","5","1") = "7"
    & skf18("7","8","4","3","1","6","1") = "7"
    & skf18("7","8","4","3","1","7","1") = "7"
    & skf18("7","8","4","3","1","8","1") = "7"
    & skf18("7","8","4","3","1","9","1") = "8"
    & skf18("7","8","4","3","1","10","1") = "9"
    & skf18("7","8","4","3","2","1","1") = "7"
    & skf18("7","8","4","3","2","2","1") = "7"
    & skf18("7","8","4","3","2","3","1") = "7"
    & skf18("7","8","4","3","2","4","1") = "7"
    & skf18("7","8","4","3","2","5","1") = "7"
    & skf18("7","8","4","3","2","6","1") = "7"
    & skf18("7","8","4","3","2","7","1") = "7"
    & skf18("7","8","4","3","2","8","1") = "7"
    & skf18("7","8","4","3","2","9","1") = "8"
    & skf18("7","8","4","3","2","10","1") = "9"
    & skf18("7","8","4","3","3","1","1") = "7"
    & skf18("7","8","4","3","3","2","1") = "7"
    & skf18("7","8","4","3","3","3","1") = "7"
    & skf18("7","8","4","3","3","4","1") = "7"
    & skf18("7","8","4","3","3","5","1") = "7"
    & skf18("7","8","4","3","3","6","1") = "7"
    & skf18("7","8","4","3","3","7","1") = "7"
    & skf18("7","8","4","3","3","8","1") = "7"
    & skf18("7","8","4","3","3","9","1") = "8"
    & skf18("7","8","4","3","3","10","1") = "9"
    & skf18("7","8","4","3","4","1","1") = "7"
    & skf18("7","8","4","3","4","2","1") = "7"
    & skf18("7","8","4","3","4","3","1") = "7"
    & skf18("7","8","4","3","4","4","1") = "7"
    & skf18("7","8","4","3","4","5","1") = "7"
    & skf18("7","8","4","3","4","6","1") = "7"
    & skf18("7","8","4","3","4","7","1") = "7"
    & skf18("7","8","4","3","4","8","1") = "7"
    & skf18("7","8","4","3","4","9","1") = "8"
    & skf18("7","8","4","3","4","10","1") = "9"
    & skf18("7","8","4","3","5","1","1") = "7"
    & skf18("7","8","4","3","5","2","1") = "7"
    & skf18("7","8","4","3","5","3","1") = "7"
    & skf18("7","8","4","3","5","4","1") = "7"
    & skf18("7","8","4","3","5","5","1") = "7"
    & skf18("7","8","4","3","5","6","1") = "7"
    & skf18("7","8","4","3","5","7","1") = "7"
    & skf18("7","8","4","3","5","8","1") = "7"
    & skf18("7","8","4","3","5","9","1") = "8"
    & skf18("7","8","4","3","5","10","1") = "9"
    & skf18("7","8","4","3","6","1","1") = "7"
    & skf18("7","8","4","3","6","2","1") = "7"
    & skf18("7","8","4","3","6","3","1") = "7"
    & skf18("7","8","4","3","6","4","1") = "7"
    & skf18("7","8","4","3","6","5","1") = "7"
    & skf18("7","8","4","3","6","6","1") = "7"
    & skf18("7","8","4","3","6","7","1") = "7"
    & skf18("7","8","4","3","6","8","1") = "7"
    & skf18("7","8","4","3","6","9","1") = "8"
    & skf18("7","8","4","3","6","10","1") = "9"
    & skf18("7","8","4","3","7","1","1") = "7"
    & skf18("7","8","4","3","7","2","1") = "7"
    & skf18("7","8","4","3","7","3","1") = "7"
    & skf18("7","8","4","3","7","4","1") = "7"
    & skf18("7","8","4","3","7","5","1") = "7"
    & skf18("7","8","4","3","7","6","1") = "7"
    & skf18("7","8","4","3","7","7","1") = "7"
    & skf18("7","8","4","3","7","8","1") = "7"
    & skf18("7","8","4","3","7","9","1") = "8"
    & skf18("7","8","4","3","7","10","1") = "9"
    & skf18("7","8","4","3","8","1","1") = "7"
    & skf18("7","8","4","3","8","2","1") = "7"
    & skf18("7","8","4","3","8","3","1") = "7"
    & skf18("7","8","4","3","8","4","1") = "7"
    & skf18("7","8","4","3","8","5","1") = "7"
    & skf18("7","8","4","3","8","6","1") = "7"
    & skf18("7","8","4","3","8","7","1") = "7"
    & skf18("7","8","4","3","8","8","1") = "7"
    & skf18("7","8","4","3","8","9","1") = "8"
    & skf18("7","8","4","3","8","10","1") = "9"
    & skf18("7","8","4","3","9","1","1") = "8"
    & skf18("7","8","4","3","9","2","1") = "8"
    & skf18("7","8","4","3","9","3","1") = "8"
    & skf18("7","8","4","3","9","4","1") = "8"
    & skf18("7","8","4","3","9","5","1") = "8"
    & skf18("7","8","4","3","9","6","1") = "8"
    & skf18("7","8","4","3","9","7","1") = "8"
    & skf18("7","8","4","3","9","8","1") = "8"
    & skf18("7","8","4","3","9","9","1") = "8"
    & skf18("7","8","4","3","9","10","1") = "9"
    & skf18("7","8","4","3","10","1","1") = "9"
    & skf18("7","8","4","3","10","2","1") = "9"
    & skf18("7","8","4","3","10","3","1") = "9"
    & skf18("7","8","4","3","10","4","1") = "9"
    & skf18("7","8","4","3","10","5","1") = "9"
    & skf18("7","8","4","3","10","6","1") = "9"
    & skf18("7","8","4","3","10","7","1") = "9"
    & skf18("7","8","4","3","10","8","1") = "9"
    & skf18("7","8","4","3","10","9","1") = "9"
    & skf18("7","8","4","3","10","10","1") = "9"
    & skf18("7","8","4","4","1","1","1") = "7"
    & skf18("7","8","4","4","1","2","1") = "7"
    & skf18("7","8","4","4","1","3","1") = "7"
    & skf18("7","8","4","4","1","4","1") = "7"
    & skf18("7","8","4","4","1","5","1") = "7"
    & skf18("7","8","4","4","1","6","1") = "7"
    & skf18("7","8","4","4","1","7","1") = "7"
    & skf18("7","8","4","4","1","8","1") = "7"
    & skf18("7","8","4","4","1","9","1") = "8"
    & skf18("7","8","4","4","1","10","1") = "9"
    & skf18("7","8","4","4","2","1","1") = "7"
    & skf18("7","8","4","4","2","2","1") = "7"
    & skf18("7","8","4","4","2","3","1") = "7"
    & skf18("7","8","4","4","2","4","1") = "7"
    & skf18("7","8","4","4","2","5","1") = "7"
    & skf18("7","8","4","4","2","6","1") = "7"
    & skf18("7","8","4","4","2","7","1") = "7"
    & skf18("7","8","4","4","2","8","1") = "7"
    & skf18("7","8","4","4","2","9","1") = "8"
    & skf18("7","8","4","4","2","10","1") = "9"
    & skf18("7","8","4","4","3","1","1") = "7"
    & skf18("7","8","4","4","3","2","1") = "7"
    & skf18("7","8","4","4","3","3","1") = "7"
    & skf18("7","8","4","4","3","4","1") = "7"
    & skf18("7","8","4","4","3","5","1") = "7"
    & skf18("7","8","4","4","3","6","1") = "7"
    & skf18("7","8","4","4","3","7","1") = "7"
    & skf18("7","8","4","4","3","8","1") = "7"
    & skf18("7","8","4","4","3","9","1") = "8"
    & skf18("7","8","4","4","3","10","1") = "9"
    & skf18("7","8","4","4","4","1","1") = "7"
    & skf18("7","8","4","4","4","2","1") = "7"
    & skf18("7","8","4","4","4","3","1") = "7"
    & skf18("7","8","4","4","4","4","1") = "7"
    & skf18("7","8","4","4","4","5","1") = "7"
    & skf18("7","8","4","4","4","6","1") = "7"
    & skf18("7","8","4","4","4","7","1") = "7"
    & skf18("7","8","4","4","4","8","1") = "7"
    & skf18("7","8","4","4","4","9","1") = "8"
    & skf18("7","8","4","4","4","10","1") = "9"
    & skf18("7","8","4","4","5","1","1") = "7"
    & skf18("7","8","4","4","5","2","1") = "7"
    & skf18("7","8","4","4","5","3","1") = "7"
    & skf18("7","8","4","4","5","4","1") = "7"
    & skf18("7","8","4","4","5","5","1") = "7"
    & skf18("7","8","4","4","5","6","1") = "7"
    & skf18("7","8","4","4","5","7","1") = "7"
    & skf18("7","8","4","4","5","8","1") = "7"
    & skf18("7","8","4","4","5","9","1") = "8"
    & skf18("7","8","4","4","5","10","1") = "9"
    & skf18("7","8","4","4","6","1","1") = "7"
    & skf18("7","8","4","4","6","2","1") = "7"
    & skf18("7","8","4","4","6","3","1") = "7"
    & skf18("7","8","4","4","6","4","1") = "7"
    & skf18("7","8","4","4","6","5","1") = "7"
    & skf18("7","8","4","4","6","6","1") = "7"
    & skf18("7","8","4","4","6","7","1") = "7"
    & skf18("7","8","4","4","6","8","1") = "7"
    & skf18("7","8","4","4","6","9","1") = "8"
    & skf18("7","8","4","4","6","10","1") = "9"
    & skf18("7","8","4","4","7","1","1") = "7"
    & skf18("7","8","4","4","7","2","1") = "7"
    & skf18("7","8","4","4","7","3","1") = "7"
    & skf18("7","8","4","4","7","4","1") = "7"
    & skf18("7","8","4","4","7","5","1") = "7"
    & skf18("7","8","4","4","7","6","1") = "7"
    & skf18("7","8","4","4","7","7","1") = "7"
    & skf18("7","8","4","4","7","8","1") = "7"
    & skf18("7","8","4","4","7","9","1") = "8"
    & skf18("7","8","4","4","7","10","1") = "9"
    & skf18("7","8","4","4","8","1","1") = "7"
    & skf18("7","8","4","4","8","2","1") = "7"
    & skf18("7","8","4","4","8","3","1") = "7"
    & skf18("7","8","4","4","8","4","1") = "7"
    & skf18("7","8","4","4","8","5","1") = "7"
    & skf18("7","8","4","4","8","6","1") = "7"
    & skf18("7","8","4","4","8","7","1") = "7"
    & skf18("7","8","4","4","8","8","1") = "7"
    & skf18("7","8","4","4","8","9","1") = "8"
    & skf18("7","8","4","4","8","10","1") = "9"
    & skf18("7","8","4","4","9","1","1") = "8"
    & skf18("7","8","4","4","9","2","1") = "8"
    & skf18("7","8","4","4","9","3","1") = "8"
    & skf18("7","8","4","4","9","4","1") = "8"
    & skf18("7","8","4","4","9","5","1") = "8"
    & skf18("7","8","4","4","9","6","1") = "8"
    & skf18("7","8","4","4","9","7","1") = "8"
    & skf18("7","8","4","4","9","8","1") = "8"
    & skf18("7","8","4","4","9","9","1") = "8"
    & skf18("7","8","4","4","9","10","1") = "9"
    & skf18("7","8","4","4","10","1","1") = "9"
    & skf18("7","8","4","4","10","2","1") = "9"
    & skf18("7","8","4","4","10","3","1") = "9"
    & skf18("7","8","4","4","10","4","1") = "9"
    & skf18("7","8","4","4","10","5","1") = "9"
    & skf18("7","8","4","4","10","6","1") = "9"
    & skf18("7","8","4","4","10","7","1") = "9"
    & skf18("7","8","4","4","10","8","1") = "9"
    & skf18("7","8","4","4","10","9","1") = "9"
    & skf18("7","8","4","4","10","10","1") = "9"
    & skf18("7","8","4","5","1","1","1") = "7"
    & skf18("7","8","4","5","1","2","1") = "7"
    & skf18("7","8","4","5","1","3","1") = "7"
    & skf18("7","8","4","5","1","4","1") = "7"
    & skf18("7","8","4","5","1","5","1") = "7"
    & skf18("7","8","4","5","1","6","1") = "7"
    & skf18("7","8","4","5","1","7","1") = "7"
    & skf18("7","8","4","5","1","8","1") = "7"
    & skf18("7","8","4","5","1","9","1") = "8"
    & skf18("7","8","4","5","1","10","1") = "9"
    & skf18("7","8","4","5","2","1","1") = "7"
    & skf18("7","8","4","5","2","2","1") = "7"
    & skf18("7","8","4","5","2","3","1") = "7"
    & skf18("7","8","4","5","2","4","1") = "7"
    & skf18("7","8","4","5","2","5","1") = "7"
    & skf18("7","8","4","5","2","6","1") = "7"
    & skf18("7","8","4","5","2","7","1") = "7"
    & skf18("7","8","4","5","2","8","1") = "7"
    & skf18("7","8","4","5","2","9","1") = "8"
    & skf18("7","8","4","5","2","10","1") = "9"
    & skf18("7","8","4","5","3","1","1") = "7"
    & skf18("7","8","4","5","3","2","1") = "7"
    & skf18("7","8","4","5","3","3","1") = "7"
    & skf18("7","8","4","5","3","4","1") = "7"
    & skf18("7","8","4","5","3","5","1") = "7"
    & skf18("7","8","4","5","3","6","1") = "7"
    & skf18("7","8","4","5","3","7","1") = "7"
    & skf18("7","8","4","5","3","8","1") = "7"
    & skf18("7","8","4","5","3","9","1") = "8"
    & skf18("7","8","4","5","3","10","1") = "9"
    & skf18("7","8","4","5","4","1","1") = "7"
    & skf18("7","8","4","5","4","2","1") = "7"
    & skf18("7","8","4","5","4","3","1") = "7"
    & skf18("7","8","4","5","4","4","1") = "7"
    & skf18("7","8","4","5","4","5","1") = "7"
    & skf18("7","8","4","5","4","6","1") = "7"
    & skf18("7","8","4","5","4","7","1") = "7"
    & skf18("7","8","4","5","4","8","1") = "7"
    & skf18("7","8","4","5","4","9","1") = "8"
    & skf18("7","8","4","5","4","10","1") = "9"
    & skf18("7","8","4","5","5","1","1") = "7"
    & skf18("7","8","4","5","5","2","1") = "7"
    & skf18("7","8","4","5","5","3","1") = "7"
    & skf18("7","8","4","5","5","4","1") = "7"
    & skf18("7","8","4","5","5","5","1") = "7"
    & skf18("7","8","4","5","5","6","1") = "7"
    & skf18("7","8","4","5","5","7","1") = "7"
    & skf18("7","8","4","5","5","8","1") = "7"
    & skf18("7","8","4","5","5","9","1") = "8"
    & skf18("7","8","4","5","5","10","1") = "9"
    & skf18("7","8","4","5","6","1","1") = "7"
    & skf18("7","8","4","5","6","2","1") = "7"
    & skf18("7","8","4","5","6","3","1") = "7"
    & skf18("7","8","4","5","6","4","1") = "7"
    & skf18("7","8","4","5","6","5","1") = "7"
    & skf18("7","8","4","5","6","6","1") = "7"
    & skf18("7","8","4","5","6","7","1") = "7"
    & skf18("7","8","4","5","6","8","1") = "7"
    & skf18("7","8","4","5","6","9","1") = "8"
    & skf18("7","8","4","5","6","10","1") = "9"
    & skf18("7","8","4","5","7","1","1") = "7"
    & skf18("7","8","4","5","7","2","1") = "7"
    & skf18("7","8","4","5","7","3","1") = "7"
    & skf18("7","8","4","5","7","4","1") = "7"
    & skf18("7","8","4","5","7","5","1") = "7"
    & skf18("7","8","4","5","7","6","1") = "7"
    & skf18("7","8","4","5","7","7","1") = "7"
    & skf18("7","8","4","5","7","8","1") = "7"
    & skf18("7","8","4","5","7","9","1") = "8"
    & skf18("7","8","4","5","7","10","1") = "9"
    & skf18("7","8","4","5","8","1","1") = "7"
    & skf18("7","8","4","5","8","2","1") = "7"
    & skf18("7","8","4","5","8","3","1") = "7"
    & skf18("7","8","4","5","8","4","1") = "7"
    & skf18("7","8","4","5","8","5","1") = "7"
    & skf18("7","8","4","5","8","6","1") = "7"
    & skf18("7","8","4","5","8","7","1") = "7"
    & skf18("7","8","4","5","8","8","1") = "7"
    & skf18("7","8","4","5","8","9","1") = "8"
    & skf18("7","8","4","5","8","10","1") = "9"
    & skf18("7","8","4","5","9","1","1") = "8"
    & skf18("7","8","4","5","9","2","1") = "8"
    & skf18("7","8","4","5","9","3","1") = "8"
    & skf18("7","8","4","5","9","4","1") = "8"
    & skf18("7","8","4","5","9","5","1") = "8"
    & skf18("7","8","4","5","9","6","1") = "8"
    & skf18("7","8","4","5","9","7","1") = "8"
    & skf18("7","8","4","5","9","8","1") = "8"
    & skf18("7","8","4","5","9","9","1") = "8"
    & skf18("7","8","4","5","9","10","1") = "9"
    & skf18("7","8","4","5","10","1","1") = "9"
    & skf18("7","8","4","5","10","2","1") = "9"
    & skf18("7","8","4","5","10","3","1") = "9"
    & skf18("7","8","4","5","10","4","1") = "9"
    & skf18("7","8","4","5","10","5","1") = "9"
    & skf18("7","8","4","5","10","6","1") = "9"
    & skf18("7","8","4","5","10","7","1") = "9"
    & skf18("7","8","4","5","10","8","1") = "9"
    & skf18("7","8","4","5","10","9","1") = "9"
    & skf18("7","8","4","5","10","10","1") = "9"
    & skf18("7","8","4","6","1","1","1") = "7"
    & skf18("7","8","4","6","1","2","1") = "7"
    & skf18("7","8","4","6","1","3","1") = "7"
    & skf18("7","8","4","6","1","4","1") = "7"
    & skf18("7","8","4","6","1","5","1") = "7"
    & skf18("7","8","4","6","1","6","1") = "7"
    & skf18("7","8","4","6","1","7","1") = "7"
    & skf18("7","8","4","6","1","8","1") = "7"
    & skf18("7","8","4","6","1","9","1") = "8"
    & skf18("7","8","4","6","1","10","1") = "9"
    & skf18("7","8","4","6","2","1","1") = "7"
    & skf18("7","8","4","6","2","2","1") = "7"
    & skf18("7","8","4","6","2","3","1") = "7"
    & skf18("7","8","4","6","2","4","1") = "7"
    & skf18("7","8","4","6","2","5","1") = "7"
    & skf18("7","8","4","6","2","6","1") = "7"
    & skf18("7","8","4","6","2","7","1") = "7"
    & skf18("7","8","4","6","2","8","1") = "7"
    & skf18("7","8","4","6","2","9","1") = "8"
    & skf18("7","8","4","6","2","10","1") = "9"
    & skf18("7","8","4","6","3","1","1") = "7"
    & skf18("7","8","4","6","3","2","1") = "7"
    & skf18("7","8","4","6","3","3","1") = "7"
    & skf18("7","8","4","6","3","4","1") = "7"
    & skf18("7","8","4","6","3","5","1") = "7"
    & skf18("7","8","4","6","3","6","1") = "7"
    & skf18("7","8","4","6","3","7","1") = "7"
    & skf18("7","8","4","6","3","8","1") = "7"
    & skf18("7","8","4","6","3","9","1") = "8"
    & skf18("7","8","4","6","3","10","1") = "9"
    & skf18("7","8","4","6","4","1","1") = "7"
    & skf18("7","8","4","6","4","2","1") = "7"
    & skf18("7","8","4","6","4","3","1") = "7"
    & skf18("7","8","4","6","4","4","1") = "7"
    & skf18("7","8","4","6","4","5","1") = "7"
    & skf18("7","8","4","6","4","6","1") = "7"
    & skf18("7","8","4","6","4","7","1") = "7"
    & skf18("7","8","4","6","4","8","1") = "7"
    & skf18("7","8","4","6","4","9","1") = "8"
    & skf18("7","8","4","6","4","10","1") = "9"
    & skf18("7","8","4","6","5","1","1") = "7"
    & skf18("7","8","4","6","5","2","1") = "7"
    & skf18("7","8","4","6","5","3","1") = "7"
    & skf18("7","8","4","6","5","4","1") = "7"
    & skf18("7","8","4","6","5","5","1") = "7"
    & skf18("7","8","4","6","5","6","1") = "7"
    & skf18("7","8","4","6","5","7","1") = "7"
    & skf18("7","8","4","6","5","8","1") = "7"
    & skf18("7","8","4","6","5","9","1") = "8"
    & skf18("7","8","4","6","5","10","1") = "9"
    & skf18("7","8","4","6","6","1","1") = "7"
    & skf18("7","8","4","6","6","2","1") = "7"
    & skf18("7","8","4","6","6","3","1") = "7"
    & skf18("7","8","4","6","6","4","1") = "7"
    & skf18("7","8","4","6","6","5","1") = "7"
    & skf18("7","8","4","6","6","6","1") = "7"
    & skf18("7","8","4","6","6","7","1") = "7"
    & skf18("7","8","4","6","6","8","1") = "7"
    & skf18("7","8","4","6","6","9","1") = "8"
    & skf18("7","8","4","6","6","10","1") = "9"
    & skf18("7","8","4","6","7","1","1") = "7"
    & skf18("7","8","4","6","7","2","1") = "7"
    & skf18("7","8","4","6","7","3","1") = "7"
    & skf18("7","8","4","6","7","4","1") = "7"
    & skf18("7","8","4","6","7","5","1") = "7"
    & skf18("7","8","4","6","7","6","1") = "7"
    & skf18("7","8","4","6","7","7","1") = "7"
    & skf18("7","8","4","6","7","8","1") = "7"
    & skf18("7","8","4","6","7","9","1") = "8"
    & skf18("7","8","4","6","7","10","1") = "9"
    & skf18("7","8","4","6","8","1","1") = "7"
    & skf18("7","8","4","6","8","2","1") = "7"
    & skf18("7","8","4","6","8","3","1") = "7"
    & skf18("7","8","4","6","8","4","1") = "7"
    & skf18("7","8","4","6","8","5","1") = "7"
    & skf18("7","8","4","6","8","6","1") = "7"
    & skf18("7","8","4","6","8","7","1") = "7"
    & skf18("7","8","4","6","8","8","1") = "7"
    & skf18("7","8","4","6","8","9","1") = "8"
    & skf18("7","8","4","6","8","10","1") = "9"
    & skf18("7","8","4","6","9","1","1") = "8"
    & skf18("7","8","4","6","9","2","1") = "8"
    & skf18("7","8","4","6","9","3","1") = "8"
    & skf18("7","8","4","6","9","4","1") = "8"
    & skf18("7","8","4","6","9","5","1") = "8"
    & skf18("7","8","4","6","9","6","1") = "8"
    & skf18("7","8","4","6","9","7","1") = "8"
    & skf18("7","8","4","6","9","8","1") = "8"
    & skf18("7","8","4","6","9","9","1") = "8"
    & skf18("7","8","4","6","9","10","1") = "9"
    & skf18("7","8","4","6","10","1","1") = "9"
    & skf18("7","8","4","6","10","2","1") = "9"
    & skf18("7","8","4","6","10","3","1") = "9"
    & skf18("7","8","4","6","10","4","1") = "9"
    & skf18("7","8","4","6","10","5","1") = "9"
    & skf18("7","8","4","6","10","6","1") = "9"
    & skf18("7","8","4","6","10","7","1") = "9"
    & skf18("7","8","4","6","10","8","1") = "9"
    & skf18("7","8","4","6","10","9","1") = "9"
    & skf18("7","8","4","6","10","10","1") = "9"
    & skf18("7","8","4","7","1","1","1") = "7"
    & skf18("7","8","4","7","1","2","1") = "7"
    & skf18("7","8","4","7","1","3","1") = "7"
    & skf18("7","8","4","7","1","4","1") = "7"
    & skf18("7","8","4","7","1","5","1") = "7"
    & skf18("7","8","4","7","1","6","1") = "7"
    & skf18("7","8","4","7","1","7","1") = "7"
    & skf18("7","8","4","7","1","8","1") = "7"
    & skf18("7","8","4","7","1","9","1") = "8"
    & skf18("7","8","4","7","1","10","1") = "9"
    & skf18("7","8","4","7","2","1","1") = "7"
    & skf18("7","8","4","7","2","2","1") = "7"
    & skf18("7","8","4","7","2","3","1") = "7"
    & skf18("7","8","4","7","2","4","1") = "7"
    & skf18("7","8","4","7","2","5","1") = "7"
    & skf18("7","8","4","7","2","6","1") = "7"
    & skf18("7","8","4","7","2","7","1") = "7"
    & skf18("7","8","4","7","2","8","1") = "7"
    & skf18("7","8","4","7","2","9","1") = "8"
    & skf18("7","8","4","7","2","10","1") = "9"
    & skf18("7","8","4","7","3","1","1") = "7"
    & skf18("7","8","4","7","3","2","1") = "7"
    & skf18("7","8","4","7","3","3","1") = "7"
    & skf18("7","8","4","7","3","4","1") = "7"
    & skf18("7","8","4","7","3","5","1") = "7"
    & skf18("7","8","4","7","3","6","1") = "7"
    & skf18("7","8","4","7","3","7","1") = "7"
    & skf18("7","8","4","7","3","8","1") = "7"
    & skf18("7","8","4","7","3","9","1") = "8"
    & skf18("7","8","4","7","3","10","1") = "9"
    & skf18("7","8","4","7","4","1","1") = "7"
    & skf18("7","8","4","7","4","2","1") = "7"
    & skf18("7","8","4","7","4","3","1") = "7"
    & skf18("7","8","4","7","4","4","1") = "7"
    & skf18("7","8","4","7","4","5","1") = "7"
    & skf18("7","8","4","7","4","6","1") = "7"
    & skf18("7","8","4","7","4","7","1") = "7"
    & skf18("7","8","4","7","4","8","1") = "7"
    & skf18("7","8","4","7","4","9","1") = "8"
    & skf18("7","8","4","7","4","10","1") = "9"
    & skf18("7","8","4","7","5","1","1") = "7"
    & skf18("7","8","4","7","5","2","1") = "7"
    & skf18("7","8","4","7","5","3","1") = "7"
    & skf18("7","8","4","7","5","4","1") = "7"
    & skf18("7","8","4","7","5","5","1") = "7"
    & skf18("7","8","4","7","5","6","1") = "7"
    & skf18("7","8","4","7","5","7","1") = "7"
    & skf18("7","8","4","7","5","8","1") = "7"
    & skf18("7","8","4","7","5","9","1") = "8"
    & skf18("7","8","4","7","5","10","1") = "9"
    & skf18("7","8","4","7","6","1","1") = "7"
    & skf18("7","8","4","7","6","2","1") = "7"
    & skf18("7","8","4","7","6","3","1") = "7"
    & skf18("7","8","4","7","6","4","1") = "7"
    & skf18("7","8","4","7","6","5","1") = "7"
    & skf18("7","8","4","7","6","6","1") = "7"
    & skf18("7","8","4","7","6","7","1") = "7"
    & skf18("7","8","4","7","6","8","1") = "7"
    & skf18("7","8","4","7","6","9","1") = "8"
    & skf18("7","8","4","7","6","10","1") = "9"
    & skf18("7","8","4","7","7","1","1") = "7"
    & skf18("7","8","4","7","7","2","1") = "7"
    & skf18("7","8","4","7","7","3","1") = "7"
    & skf18("7","8","4","7","7","4","1") = "7"
    & skf18("7","8","4","7","7","5","1") = "7"
    & skf18("7","8","4","7","7","6","1") = "7"
    & skf18("7","8","4","7","7","7","1") = "7"
    & skf18("7","8","4","7","7","8","1") = "7"
    & skf18("7","8","4","7","7","9","1") = "8"
    & skf18("7","8","4","7","7","10","1") = "9"
    & skf18("7","8","4","7","8","1","1") = "7"
    & skf18("7","8","4","7","8","2","1") = "7"
    & skf18("7","8","4","7","8","3","1") = "7"
    & skf18("7","8","4","7","8","4","1") = "7"
    & skf18("7","8","4","7","8","5","1") = "7"
    & skf18("7","8","4","7","8","6","1") = "7"
    & skf18("7","8","4","7","8","7","1") = "7"
    & skf18("7","8","4","7","8","8","1") = "7"
    & skf18("7","8","4","7","8","9","1") = "8"
    & skf18("7","8","4","7","8","10","1") = "9"
    & skf18("7","8","4","7","9","1","1") = "8"
    & skf18("7","8","4","7","9","2","1") = "8"
    & skf18("7","8","4","7","9","3","1") = "8"
    & skf18("7","8","4","7","9","4","1") = "8"
    & skf18("7","8","4","7","9","5","1") = "8"
    & skf18("7","8","4","7","9","6","1") = "8"
    & skf18("7","8","4","7","9","7","1") = "8"
    & skf18("7","8","4","7","9","8","1") = "8"
    & skf18("7","8","4","7","9","9","1") = "8"
    & skf18("7","8","4","7","9","10","1") = "9"
    & skf18("7","8","4","7","10","1","1") = "9"
    & skf18("7","8","4","7","10","2","1") = "9"
    & skf18("7","8","4","7","10","3","1") = "9"
    & skf18("7","8","4","7","10","4","1") = "9"
    & skf18("7","8","4","7","10","5","1") = "9"
    & skf18("7","8","4","7","10","6","1") = "9"
    & skf18("7","8","4","7","10","7","1") = "9"
    & skf18("7","8","4","7","10","8","1") = "9"
    & skf18("7","8","4","7","10","9","1") = "9"
    & skf18("7","8","4","7","10","10","1") = "9"
    & skf18("7","8","4","8","1","1","1") = "7"
    & skf18("7","8","4","8","1","2","1") = "7"
    & skf18("7","8","4","8","1","3","1") = "7"
    & skf18("7","8","4","8","1","4","1") = "7"
    & skf18("7","8","4","8","1","5","1") = "7"
    & skf18("7","8","4","8","1","6","1") = "7"
    & skf18("7","8","4","8","1","7","1") = "7"
    & skf18("7","8","4","8","1","8","1") = "7"
    & skf18("7","8","4","8","1","9","1") = "8"
    & skf18("7","8","4","8","1","10","1") = "9"
    & skf18("7","8","4","8","2","1","1") = "7"
    & skf18("7","8","4","8","2","2","1") = "7"
    & skf18("7","8","4","8","2","3","1") = "7"
    & skf18("7","8","4","8","2","4","1") = "7"
    & skf18("7","8","4","8","2","5","1") = "7"
    & skf18("7","8","4","8","2","6","1") = "7"
    & skf18("7","8","4","8","2","7","1") = "7"
    & skf18("7","8","4","8","2","8","1") = "7"
    & skf18("7","8","4","8","2","9","1") = "8"
    & skf18("7","8","4","8","2","10","1") = "9"
    & skf18("7","8","4","8","3","1","1") = "7"
    & skf18("7","8","4","8","3","2","1") = "7"
    & skf18("7","8","4","8","3","3","1") = "7"
    & skf18("7","8","4","8","3","4","1") = "7"
    & skf18("7","8","4","8","3","5","1") = "7"
    & skf18("7","8","4","8","3","6","1") = "7"
    & skf18("7","8","4","8","3","7","1") = "7"
    & skf18("7","8","4","8","3","8","1") = "7"
    & skf18("7","8","4","8","3","9","1") = "8"
    & skf18("7","8","4","8","3","10","1") = "9"
    & skf18("7","8","4","8","4","1","1") = "7"
    & skf18("7","8","4","8","4","2","1") = "7"
    & skf18("7","8","4","8","4","3","1") = "7"
    & skf18("7","8","4","8","4","4","1") = "7"
    & skf18("7","8","4","8","4","5","1") = "7"
    & skf18("7","8","4","8","4","6","1") = "7"
    & skf18("7","8","4","8","4","7","1") = "7"
    & skf18("7","8","4","8","4","8","1") = "7"
    & skf18("7","8","4","8","4","9","1") = "8"
    & skf18("7","8","4","8","4","10","1") = "9"
    & skf18("7","8","4","8","5","1","1") = "7"
    & skf18("7","8","4","8","5","2","1") = "7"
    & skf18("7","8","4","8","5","3","1") = "7"
    & skf18("7","8","4","8","5","4","1") = "7"
    & skf18("7","8","4","8","5","5","1") = "7"
    & skf18("7","8","4","8","5","6","1") = "7"
    & skf18("7","8","4","8","5","7","1") = "7"
    & skf18("7","8","4","8","5","8","1") = "7"
    & skf18("7","8","4","8","5","9","1") = "8"
    & skf18("7","8","4","8","5","10","1") = "9"
    & skf18("7","8","4","8","6","1","1") = "7"
    & skf18("7","8","4","8","6","2","1") = "7"
    & skf18("7","8","4","8","6","3","1") = "7"
    & skf18("7","8","4","8","6","4","1") = "7"
    & skf18("7","8","4","8","6","5","1") = "7"
    & skf18("7","8","4","8","6","6","1") = "7"
    & skf18("7","8","4","8","6","7","1") = "7"
    & skf18("7","8","4","8","6","8","1") = "7"
    & skf18("7","8","4","8","6","9","1") = "8"
    & skf18("7","8","4","8","6","10","1") = "9"
    & skf18("7","8","4","8","7","1","1") = "7"
    & skf18("7","8","4","8","7","2","1") = "7"
    & skf18("7","8","4","8","7","3","1") = "7"
    & skf18("7","8","4","8","7","4","1") = "7"
    & skf18("7","8","4","8","7","5","1") = "7"
    & skf18("7","8","4","8","7","6","1") = "7"
    & skf18("7","8","4","8","7","7","1") = "7"
    & skf18("7","8","4","8","7","8","1") = "7"
    & skf18("7","8","4","8","7","9","1") = "8"
    & skf18("7","8","4","8","7","10","1") = "9"
    & skf18("7","8","4","8","8","1","1") = "7"
    & skf18("7","8","4","8","8","2","1") = "7"
    & skf18("7","8","4","8","8","3","1") = "7"
    & skf18("7","8","4","8","8","4","1") = "7"
    & skf18("7","8","4","8","8","5","1") = "7"
    & skf18("7","8","4","8","8","6","1") = "7"
    & skf18("7","8","4","8","8","7","1") = "7"
    & skf18("7","8","4","8","8","8","1") = "7"
    & skf18("7","8","4","8","8","9","1") = "8"
    & skf18("7","8","4","8","8","10","1") = "9"
    & skf18("7","8","4","8","9","1","1") = "8"
    & skf18("7","8","4","8","9","2","1") = "8"
    & skf18("7","8","4","8","9","3","1") = "8"
    & skf18("7","8","4","8","9","4","1") = "8"
    & skf18("7","8","4","8","9","5","1") = "8"
    & skf18("7","8","4","8","9","6","1") = "8"
    & skf18("7","8","4","8","9","7","1") = "8"
    & skf18("7","8","4","8","9","8","1") = "8"
    & skf18("7","8","4","8","9","9","1") = "8"
    & skf18("7","8","4","8","9","10","1") = "9"
    & skf18("7","8","4","8","10","1","1") = "9"
    & skf18("7","8","4","8","10","2","1") = "9"
    & skf18("7","8","4","8","10","3","1") = "9"
    & skf18("7","8","4","8","10","4","1") = "9"
    & skf18("7","8","4","8","10","5","1") = "9"
    & skf18("7","8","4","8","10","6","1") = "9"
    & skf18("7","8","4","8","10","7","1") = "9"
    & skf18("7","8","4","8","10","8","1") = "9"
    & skf18("7","8","4","8","10","9","1") = "9"
    & skf18("7","8","4","8","10","10","1") = "9"
    & skf18("7","8","4","9","1","1","1") = "8"
    & skf18("7","8","4","9","1","2","1") = "8"
    & skf18("7","8","4","9","1","3","1") = "8"
    & skf18("7","8","4","9","1","4","1") = "8"
    & skf18("7","8","4","9","1","5","1") = "8"
    & skf18("7","8","4","9","1","6","1") = "8"
    & skf18("7","8","4","9","1","7","1") = "8"
    & skf18("7","8","4","9","1","8","1") = "8"
    & skf18("7","8","4","9","1","9","1") = "8"
    & skf18("7","8","4","9","1","10","1") = "9"
    & skf18("7","8","4","9","2","1","1") = "8"
    & skf18("7","8","4","9","2","2","1") = "8"
    & skf18("7","8","4","9","2","3","1") = "8"
    & skf18("7","8","4","9","2","4","1") = "8"
    & skf18("7","8","4","9","2","5","1") = "8"
    & skf18("7","8","4","9","2","6","1") = "8"
    & skf18("7","8","4","9","2","7","1") = "8"
    & skf18("7","8","4","9","2","8","1") = "8"
    & skf18("7","8","4","9","2","9","1") = "8"
    & skf18("7","8","4","9","2","10","1") = "9"
    & skf18("7","8","4","9","3","1","1") = "8"
    & skf18("7","8","4","9","3","2","1") = "8"
    & skf18("7","8","4","9","3","3","1") = "8"
    & skf18("7","8","4","9","3","4","1") = "8"
    & skf18("7","8","4","9","3","5","1") = "8"
    & skf18("7","8","4","9","3","6","1") = "8"
    & skf18("7","8","4","9","3","7","1") = "8"
    & skf18("7","8","4","9","3","8","1") = "8"
    & skf18("7","8","4","9","3","9","1") = "8"
    & skf18("7","8","4","9","3","10","1") = "9"
    & skf18("7","8","4","9","4","1","1") = "8"
    & skf18("7","8","4","9","4","2","1") = "8"
    & skf18("7","8","4","9","4","3","1") = "8"
    & skf18("7","8","4","9","4","4","1") = "8"
    & skf18("7","8","4","9","4","5","1") = "8"
    & skf18("7","8","4","9","4","6","1") = "8"
    & skf18("7","8","4","9","4","7","1") = "8"
    & skf18("7","8","4","9","4","8","1") = "8"
    & skf18("7","8","4","9","4","9","1") = "8"
    & skf18("7","8","4","9","4","10","1") = "9"
    & skf18("7","8","4","9","5","1","1") = "8"
    & skf18("7","8","4","9","5","2","1") = "8"
    & skf18("7","8","4","9","5","3","1") = "8"
    & skf18("7","8","4","9","5","4","1") = "8"
    & skf18("7","8","4","9","5","5","1") = "8"
    & skf18("7","8","4","9","5","6","1") = "8"
    & skf18("7","8","4","9","5","7","1") = "8"
    & skf18("7","8","4","9","5","8","1") = "8"
    & skf18("7","8","4","9","5","9","1") = "8"
    & skf18("7","8","4","9","5","10","1") = "9"
    & skf18("7","8","4","9","6","1","1") = "8"
    & skf18("7","8","4","9","6","2","1") = "8"
    & skf18("7","8","4","9","6","3","1") = "8"
    & skf18("7","8","4","9","6","4","1") = "8"
    & skf18("7","8","4","9","6","5","1") = "8"
    & skf18("7","8","4","9","6","6","1") = "8"
    & skf18("7","8","4","9","6","7","1") = "8"
    & skf18("7","8","4","9","6","8","1") = "8"
    & skf18("7","8","4","9","6","9","1") = "8"
    & skf18("7","8","4","9","6","10","1") = "9"
    & skf18("7","8","4","9","7","1","1") = "8"
    & skf18("7","8","4","9","7","2","1") = "8"
    & skf18("7","8","4","9","7","3","1") = "8"
    & skf18("7","8","4","9","7","4","1") = "8"
    & skf18("7","8","4","9","7","5","1") = "8"
    & skf18("7","8","4","9","7","6","1") = "8"
    & skf18("7","8","4","9","7","7","1") = "8"
    & skf18("7","8","4","9","7","8","1") = "8"
    & skf18("7","8","4","9","7","9","1") = "8"
    & skf18("7","8","4","9","7","10","1") = "9"
    & skf18("7","8","4","9","8","1","1") = "8"
    & skf18("7","8","4","9","8","2","1") = "8"
    & skf18("7","8","4","9","8","3","1") = "8"
    & skf18("7","8","4","9","8","4","1") = "8"
    & skf18("7","8","4","9","8","5","1") = "8"
    & skf18("7","8","4","9","8","6","1") = "8"
    & skf18("7","8","4","9","8","7","1") = "8"
    & skf18("7","8","4","9","8","8","1") = "8"
    & skf18("7","8","4","9","8","9","1") = "8"
    & skf18("7","8","4","9","8","10","1") = "9"
    & skf18("7","8","4","9","9","1","1") = "8"
    & skf18("7","8","4","9","9","2","1") = "8"
    & skf18("7","8","4","9","9","3","1") = "8"
    & skf18("7","8","4","9","9","4","1") = "8"
    & skf18("7","8","4","9","9","5","1") = "8"
    & skf18("7","8","4","9","9","6","1") = "8"
    & skf18("7","8","4","9","9","7","1") = "8"
    & skf18("7","8","4","9","9","8","1") = "8"
    & skf18("7","8","4","9","9","9","1") = "8"
    & skf18("7","8","4","9","9","10","1") = "9"
    & skf18("7","8","4","9","10","1","1") = "9"
    & skf18("7","8","4","9","10","2","1") = "9"
    & skf18("7","8","4","9","10","3","1") = "9"
    & skf18("7","8","4","9","10","4","1") = "9"
    & skf18("7","8","4","9","10","5","1") = "9"
    & skf18("7","8","4","9","10","6","1") = "9"
    & skf18("7","8","4","9","10","7","1") = "9"
    & skf18("7","8","4","9","10","8","1") = "9"
    & skf18("7","8","4","9","10","9","1") = "9"
    & skf18("7","8","4","9","10","10","1") = "9"
    & skf18("7","8","4","10","1","1","1") = "9"
    & skf18("7","8","4","10","1","2","1") = "9"
    & skf18("7","8","4","10","1","3","1") = "9"
    & skf18("7","8","4","10","1","4","1") = "9"
    & skf18("7","8","4","10","1","5","1") = "9"
    & skf18("7","8","4","10","1","6","1") = "9"
    & skf18("7","8","4","10","1","7","1") = "9"
    & skf18("7","8","4","10","1","8","1") = "9"
    & skf18("7","8","4","10","1","9","1") = "9"
    & skf18("7","8","4","10","1","10","1") = "9"
    & skf18("7","8","4","10","2","1","1") = "9"
    & skf18("7","8","4","10","2","2","1") = "9"
    & skf18("7","8","4","10","2","3","1") = "9"
    & skf18("7","8","4","10","2","4","1") = "9"
    & skf18("7","8","4","10","2","5","1") = "9"
    & skf18("7","8","4","10","2","6","1") = "9"
    & skf18("7","8","4","10","2","7","1") = "9"
    & skf18("7","8","4","10","2","8","1") = "9"
    & skf18("7","8","4","10","2","9","1") = "9"
    & skf18("7","8","4","10","2","10","1") = "9"
    & skf18("7","8","4","10","3","1","1") = "9"
    & skf18("7","8","4","10","3","2","1") = "9"
    & skf18("7","8","4","10","3","3","1") = "9"
    & skf18("7","8","4","10","3","4","1") = "9"
    & skf18("7","8","4","10","3","5","1") = "9"
    & skf18("7","8","4","10","3","6","1") = "9"
    & skf18("7","8","4","10","3","7","1") = "9"
    & skf18("7","8","4","10","3","8","1") = "9"
    & skf18("7","8","4","10","3","9","1") = "9"
    & skf18("7","8","4","10","3","10","1") = "9"
    & skf18("7","8","4","10","4","1","1") = "9"
    & skf18("7","8","4","10","4","2","1") = "9"
    & skf18("7","8","4","10","4","3","1") = "9"
    & skf18("7","8","4","10","4","4","1") = "9"
    & skf18("7","8","4","10","4","5","1") = "9"
    & skf18("7","8","4","10","4","6","1") = "9"
    & skf18("7","8","4","10","4","7","1") = "9"
    & skf18("7","8","4","10","4","8","1") = "9"
    & skf18("7","8","4","10","4","9","1") = "9"
    & skf18("7","8","4","10","4","10","1") = "9"
    & skf18("7","8","4","10","5","1","1") = "9"
    & skf18("7","8","4","10","5","2","1") = "9"
    & skf18("7","8","4","10","5","3","1") = "9"
    & skf18("7","8","4","10","5","4","1") = "9"
    & skf18("7","8","4","10","5","5","1") = "9"
    & skf18("7","8","4","10","5","6","1") = "9"
    & skf18("7","8","4","10","5","7","1") = "9"
    & skf18("7","8","4","10","5","8","1") = "9"
    & skf18("7","8","4","10","5","9","1") = "9"
    & skf18("7","8","4","10","5","10","1") = "9"
    & skf18("7","8","4","10","6","1","1") = "9"
    & skf18("7","8","4","10","6","2","1") = "9"
    & skf18("7","8","4","10","6","3","1") = "9"
    & skf18("7","8","4","10","6","4","1") = "9"
    & skf18("7","8","4","10","6","5","1") = "9"
    & skf18("7","8","4","10","6","6","1") = "9"
    & skf18("7","8","4","10","6","7","1") = "9"
    & skf18("7","8","4","10","6","8","1") = "9"
    & skf18("7","8","4","10","6","9","1") = "9"
    & skf18("7","8","4","10","6","10","1") = "9"
    & skf18("7","8","4","10","7","1","1") = "9"
    & skf18("7","8","4","10","7","2","1") = "9"
    & skf18("7","8","4","10","7","3","1") = "9"
    & skf18("7","8","4","10","7","4","1") = "9"
    & skf18("7","8","4","10","7","5","1") = "9"
    & skf18("7","8","4","10","7","6","1") = "9"
    & skf18("7","8","4","10","7","7","1") = "9"
    & skf18("7","8","4","10","7","8","1") = "9"
    & skf18("7","8","4","10","7","9","1") = "9"
    & skf18("7","8","4","10","7","10","1") = "9"
    & skf18("7","8","4","10","8","1","1") = "9"
    & skf18("7","8","4","10","8","2","1") = "9"
    & skf18("7","8","4","10","8","3","1") = "9"
    & skf18("7","8","4","10","8","4","1") = "9"
    & skf18("7","8","4","10","8","5","1") = "9"
    & skf18("7","8","4","10","8","6","1") = "9"
    & skf18("7","8","4","10","8","7","1") = "9"
    & skf18("7","8","4","10","8","8","1") = "9"
    & skf18("7","8","4","10","8","9","1") = "9"
    & skf18("7","8","4","10","8","10","1") = "9"
    & skf18("7","8","4","10","9","1","1") = "9"
    & skf18("7","8","4","10","9","2","1") = "9"
    & skf18("7","8","4","10","9","3","1") = "9"
    & skf18("7","8","4","10","9","4","1") = "9"
    & skf18("7","8","4","10","9","5","1") = "9"
    & skf18("7","8","4","10","9","6","1") = "9"
    & skf18("7","8","4","10","9","7","1") = "9"
    & skf18("7","8","4","10","9","8","1") = "9"
    & skf18("7","8","4","10","9","9","1") = "9"
    & skf18("7","8","4","10","9","10","1") = "9"
    & skf18("7","8","4","10","10","1","1") = "9"
    & skf18("7","8","4","10","10","2","1") = "9"
    & skf18("7","8","4","10","10","3","1") = "9"
    & skf18("7","8","4","10","10","4","1") = "9"
    & skf18("7","8","4","10","10","5","1") = "9"
    & skf18("7","8","4","10","10","6","1") = "9"
    & skf18("7","8","4","10","10","7","1") = "9"
    & skf18("7","8","4","10","10","8","1") = "9"
    & skf18("7","8","4","10","10","9","1") = "9"
    & skf18("7","8","4","10","10","10","1") = "9"
    & skf18("7","8","5","1","1","1","1") = "7"
    & skf18("7","8","5","1","1","2","1") = "7"
    & skf18("7","8","5","1","1","3","1") = "7"
    & skf18("7","8","5","1","1","4","1") = "7"
    & skf18("7","8","5","1","1","5","1") = "7"
    & skf18("7","8","5","1","1","6","1") = "7"
    & skf18("7","8","5","1","1","7","1") = "7"
    & skf18("7","8","5","1","1","8","1") = "7"
    & skf18("7","8","5","1","1","9","1") = "8"
    & skf18("7","8","5","1","1","10","1") = "9"
    & skf18("7","8","5","1","2","1","1") = "7"
    & skf18("7","8","5","1","2","2","1") = "7"
    & skf18("7","8","5","1","2","3","1") = "7"
    & skf18("7","8","5","1","2","4","1") = "7"
    & skf18("7","8","5","1","2","5","1") = "7"
    & skf18("7","8","5","1","2","6","1") = "7"
    & skf18("7","8","5","1","2","7","1") = "7"
    & skf18("7","8","5","1","2","8","1") = "7"
    & skf18("7","8","5","1","2","9","1") = "8"
    & skf18("7","8","5","1","2","10","1") = "9"
    & skf18("7","8","5","1","3","1","1") = "7"
    & skf18("7","8","5","1","3","2","1") = "7"
    & skf18("7","8","5","1","3","3","1") = "7"
    & skf18("7","8","5","1","3","4","1") = "7"
    & skf18("7","8","5","1","3","5","1") = "7"
    & skf18("7","8","5","1","3","6","1") = "7"
    & skf18("7","8","5","1","3","7","1") = "7"
    & skf18("7","8","5","1","3","8","1") = "7"
    & skf18("7","8","5","1","3","9","1") = "8"
    & skf18("7","8","5","1","3","10","1") = "9"
    & skf18("7","8","5","1","4","1","1") = "7"
    & skf18("7","8","5","1","4","2","1") = "7"
    & skf18("7","8","5","1","4","3","1") = "7"
    & skf18("7","8","5","1","4","4","1") = "7"
    & skf18("7","8","5","1","4","5","1") = "7"
    & skf18("7","8","5","1","4","6","1") = "7"
    & skf18("7","8","5","1","4","7","1") = "7"
    & skf18("7","8","5","1","4","8","1") = "7"
    & skf18("7","8","5","1","4","9","1") = "8"
    & skf18("7","8","5","1","4","10","1") = "9"
    & skf18("7","8","5","1","5","1","1") = "7"
    & skf18("7","8","5","1","5","2","1") = "7"
    & skf18("7","8","5","1","5","3","1") = "7"
    & skf18("7","8","5","1","5","4","1") = "7"
    & skf18("7","8","5","1","5","5","1") = "7"
    & skf18("7","8","5","1","5","6","1") = "7"
    & skf18("7","8","5","1","5","7","1") = "7"
    & skf18("7","8","5","1","5","8","1") = "7"
    & skf18("7","8","5","1","5","9","1") = "8"
    & skf18("7","8","5","1","5","10","1") = "9"
    & skf18("7","8","5","1","6","1","1") = "7"
    & skf18("7","8","5","1","6","2","1") = "7"
    & skf18("7","8","5","1","6","3","1") = "7"
    & skf18("7","8","5","1","6","4","1") = "7"
    & skf18("7","8","5","1","6","5","1") = "7"
    & skf18("7","8","5","1","6","6","1") = "7"
    & skf18("7","8","5","1","6","7","1") = "7"
    & skf18("7","8","5","1","6","8","1") = "7"
    & skf18("7","8","5","1","6","9","1") = "8"
    & skf18("7","8","5","1","6","10","1") = "9"
    & skf18("7","8","5","1","7","1","1") = "7"
    & skf18("7","8","5","1","7","2","1") = "7"
    & skf18("7","8","5","1","7","3","1") = "7"
    & skf18("7","8","5","1","7","4","1") = "7"
    & skf18("7","8","5","1","7","5","1") = "7"
    & skf18("7","8","5","1","7","6","1") = "7"
    & skf18("7","8","5","1","7","7","1") = "7"
    & skf18("7","8","5","1","7","8","1") = "7"
    & skf18("7","8","5","1","7","9","1") = "8"
    & skf18("7","8","5","1","7","10","1") = "9"
    & skf18("7","8","5","1","8","1","1") = "7"
    & skf18("7","8","5","1","8","2","1") = "7"
    & skf18("7","8","5","1","8","3","1") = "7"
    & skf18("7","8","5","1","8","4","1") = "7"
    & skf18("7","8","5","1","8","5","1") = "7"
    & skf18("7","8","5","1","8","6","1") = "7"
    & skf18("7","8","5","1","8","7","1") = "7"
    & skf18("7","8","5","1","8","8","1") = "7"
    & skf18("7","8","5","1","8","9","1") = "8"
    & skf18("7","8","5","1","8","10","1") = "9"
    & skf18("7","8","5","1","9","1","1") = "8"
    & skf18("7","8","5","1","9","2","1") = "8"
    & skf18("7","8","5","1","9","3","1") = "8"
    & skf18("7","8","5","1","9","4","1") = "8"
    & skf18("7","8","5","1","9","5","1") = "8"
    & skf18("7","8","5","1","9","6","1") = "8"
    & skf18("7","8","5","1","9","7","1") = "8"
    & skf18("7","8","5","1","9","8","1") = "8"
    & skf18("7","8","5","1","9","9","1") = "8"
    & skf18("7","8","5","1","9","10","1") = "9"
    & skf18("7","8","5","1","10","1","1") = "9"
    & skf18("7","8","5","1","10","2","1") = "9"
    & skf18("7","8","5","1","10","3","1") = "9"
    & skf18("7","8","5","1","10","4","1") = "9"
    & skf18("7","8","5","1","10","5","1") = "9"
    & skf18("7","8","5","1","10","6","1") = "9"
    & skf18("7","8","5","1","10","7","1") = "9"
    & skf18("7","8","5","1","10","8","1") = "9"
    & skf18("7","8","5","1","10","9","1") = "9"
    & skf18("7","8","5","1","10","10","1") = "9"
    & skf18("7","8","5","2","1","1","1") = "7"
    & skf18("7","8","5","2","1","2","1") = "7"
    & skf18("7","8","5","2","1","3","1") = "7"
    & skf18("7","8","5","2","1","4","1") = "7"
    & skf18("7","8","5","2","1","5","1") = "7"
    & skf18("7","8","5","2","1","6","1") = "7"
    & skf18("7","8","5","2","1","7","1") = "7"
    & skf18("7","8","5","2","1","8","1") = "7"
    & skf18("7","8","5","2","1","9","1") = "8"
    & skf18("7","8","5","2","1","10","1") = "9"
    & skf18("7","8","5","2","2","1","1") = "7"
    & skf18("7","8","5","2","2","2","1") = "7"
    & skf18("7","8","5","2","2","3","1") = "7"
    & skf18("7","8","5","2","2","4","1") = "7"
    & skf18("7","8","5","2","2","5","1") = "7"
    & skf18("7","8","5","2","2","6","1") = "7"
    & skf18("7","8","5","2","2","7","1") = "7"
    & skf18("7","8","5","2","2","8","1") = "7"
    & skf18("7","8","5","2","2","9","1") = "8"
    & skf18("7","8","5","2","2","10","1") = "9"
    & skf18("7","8","5","2","3","1","1") = "7"
    & skf18("7","8","5","2","3","2","1") = "7"
    & skf18("7","8","5","2","3","3","1") = "7"
    & skf18("7","8","5","2","3","4","1") = "7"
    & skf18("7","8","5","2","3","5","1") = "7"
    & skf18("7","8","5","2","3","6","1") = "7"
    & skf18("7","8","5","2","3","7","1") = "7"
    & skf18("7","8","5","2","3","8","1") = "7"
    & skf18("7","8","5","2","3","9","1") = "8"
    & skf18("7","8","5","2","3","10","1") = "9"
    & skf18("7","8","5","2","4","1","1") = "7"
    & skf18("7","8","5","2","4","2","1") = "7"
    & skf18("7","8","5","2","4","3","1") = "7"
    & skf18("7","8","5","2","4","4","1") = "7"
    & skf18("7","8","5","2","4","5","1") = "7"
    & skf18("7","8","5","2","4","6","1") = "7"
    & skf18("7","8","5","2","4","7","1") = "7"
    & skf18("7","8","5","2","4","8","1") = "7"
    & skf18("7","8","5","2","4","9","1") = "8"
    & skf18("7","8","5","2","4","10","1") = "9"
    & skf18("7","8","5","2","5","1","1") = "7"
    & skf18("7","8","5","2","5","2","1") = "7"
    & skf18("7","8","5","2","5","3","1") = "7"
    & skf18("7","8","5","2","5","4","1") = "7"
    & skf18("7","8","5","2","5","5","1") = "7"
    & skf18("7","8","5","2","5","6","1") = "7"
    & skf18("7","8","5","2","5","7","1") = "7"
    & skf18("7","8","5","2","5","8","1") = "7"
    & skf18("7","8","5","2","5","9","1") = "8"
    & skf18("7","8","5","2","5","10","1") = "9"
    & skf18("7","8","5","2","6","1","1") = "7"
    & skf18("7","8","5","2","6","2","1") = "7"
    & skf18("7","8","5","2","6","3","1") = "7"
    & skf18("7","8","5","2","6","4","1") = "7"
    & skf18("7","8","5","2","6","5","1") = "7"
    & skf18("7","8","5","2","6","6","1") = "7"
    & skf18("7","8","5","2","6","7","1") = "7"
    & skf18("7","8","5","2","6","8","1") = "7"
    & skf18("7","8","5","2","6","9","1") = "8"
    & skf18("7","8","5","2","6","10","1") = "9"
    & skf18("7","8","5","2","7","1","1") = "7"
    & skf18("7","8","5","2","7","2","1") = "7"
    & skf18("7","8","5","2","7","3","1") = "7"
    & skf18("7","8","5","2","7","4","1") = "7"
    & skf18("7","8","5","2","7","5","1") = "7"
    & skf18("7","8","5","2","7","6","1") = "7"
    & skf18("7","8","5","2","7","7","1") = "7"
    & skf18("7","8","5","2","7","8","1") = "7"
    & skf18("7","8","5","2","7","9","1") = "8"
    & skf18("7","8","5","2","7","10","1") = "9"
    & skf18("7","8","5","2","8","1","1") = "7"
    & skf18("7","8","5","2","8","2","1") = "7"
    & skf18("7","8","5","2","8","3","1") = "7"
    & skf18("7","8","5","2","8","4","1") = "7"
    & skf18("7","8","5","2","8","5","1") = "7"
    & skf18("7","8","5","2","8","6","1") = "7"
    & skf18("7","8","5","2","8","7","1") = "7"
    & skf18("7","8","5","2","8","8","1") = "7"
    & skf18("7","8","5","2","8","9","1") = "8"
    & skf18("7","8","5","2","8","10","1") = "9"
    & skf18("7","8","5","2","9","1","1") = "8"
    & skf18("7","8","5","2","9","2","1") = "8"
    & skf18("7","8","5","2","9","3","1") = "8"
    & skf18("7","8","5","2","9","4","1") = "8"
    & skf18("7","8","5","2","9","5","1") = "8"
    & skf18("7","8","5","2","9","6","1") = "8"
    & skf18("7","8","5","2","9","7","1") = "8"
    & skf18("7","8","5","2","9","8","1") = "8"
    & skf18("7","8","5","2","9","9","1") = "8"
    & skf18("7","8","5","2","9","10","1") = "9"
    & skf18("7","8","5","2","10","1","1") = "9"
    & skf18("7","8","5","2","10","2","1") = "9"
    & skf18("7","8","5","2","10","3","1") = "9"
    & skf18("7","8","5","2","10","4","1") = "9"
    & skf18("7","8","5","2","10","5","1") = "9"
    & skf18("7","8","5","2","10","6","1") = "9"
    & skf18("7","8","5","2","10","7","1") = "9"
    & skf18("7","8","5","2","10","8","1") = "9"
    & skf18("7","8","5","2","10","9","1") = "9"
    & skf18("7","8","5","2","10","10","1") = "9"
    & skf18("7","8","5","3","1","1","1") = "7"
    & skf18("7","8","5","3","1","2","1") = "7"
    & skf18("7","8","5","3","1","3","1") = "7"
    & skf18("7","8","5","3","1","4","1") = "7"
    & skf18("7","8","5","3","1","5","1") = "7"
    & skf18("7","8","5","3","1","6","1") = "7"
    & skf18("7","8","5","3","1","7","1") = "7"
    & skf18("7","8","5","3","1","8","1") = "7"
    & skf18("7","8","5","3","1","9","1") = "8"
    & skf18("7","8","5","3","1","10","1") = "9"
    & skf18("7","8","5","3","2","1","1") = "7"
    & skf18("7","8","5","3","2","2","1") = "7"
    & skf18("7","8","5","3","2","3","1") = "7"
    & skf18("7","8","5","3","2","4","1") = "7"
    & skf18("7","8","5","3","2","5","1") = "7"
    & skf18("7","8","5","3","2","6","1") = "7"
    & skf18("7","8","5","3","2","7","1") = "7"
    & skf18("7","8","5","3","2","8","1") = "7"
    & skf18("7","8","5","3","2","9","1") = "8"
    & skf18("7","8","5","3","2","10","1") = "9"
    & skf18("7","8","5","3","3","1","1") = "7"
    & skf18("7","8","5","3","3","2","1") = "7"
    & skf18("7","8","5","3","3","3","1") = "7"
    & skf18("7","8","5","3","3","4","1") = "7"
    & skf18("7","8","5","3","3","5","1") = "7"
    & skf18("7","8","5","3","3","6","1") = "7"
    & skf18("7","8","5","3","3","7","1") = "7"
    & skf18("7","8","5","3","3","8","1") = "7"
    & skf18("7","8","5","3","3","9","1") = "8"
    & skf18("7","8","5","3","3","10","1") = "9"
    & skf18("7","8","5","3","4","1","1") = "7"
    & skf18("7","8","5","3","4","2","1") = "7"
    & skf18("7","8","5","3","4","3","1") = "7"
    & skf18("7","8","5","3","4","4","1") = "7"
    & skf18("7","8","5","3","4","5","1") = "7"
    & skf18("7","8","5","3","4","6","1") = "7"
    & skf18("7","8","5","3","4","7","1") = "7"
    & skf18("7","8","5","3","4","8","1") = "7"
    & skf18("7","8","5","3","4","9","1") = "8"
    & skf18("7","8","5","3","4","10","1") = "9"
    & skf18("7","8","5","3","5","1","1") = "7"
    & skf18("7","8","5","3","5","2","1") = "7"
    & skf18("7","8","5","3","5","3","1") = "7"
    & skf18("7","8","5","3","5","4","1") = "7"
    & skf18("7","8","5","3","5","5","1") = "7"
    & skf18("7","8","5","3","5","6","1") = "7"
    & skf18("7","8","5","3","5","7","1") = "7"
    & skf18("7","8","5","3","5","8","1") = "7"
    & skf18("7","8","5","3","5","9","1") = "8"
    & skf18("7","8","5","3","5","10","1") = "9"
    & skf18("7","8","5","3","6","1","1") = "7"
    & skf18("7","8","5","3","6","2","1") = "7"
    & skf18("7","8","5","3","6","3","1") = "7"
    & skf18("7","8","5","3","6","4","1") = "7"
    & skf18("7","8","5","3","6","5","1") = "7"
    & skf18("7","8","5","3","6","6","1") = "7"
    & skf18("7","8","5","3","6","7","1") = "7"
    & skf18("7","8","5","3","6","8","1") = "7"
    & skf18("7","8","5","3","6","9","1") = "8"
    & skf18("7","8","5","3","6","10","1") = "9"
    & skf18("7","8","5","3","7","1","1") = "7"
    & skf18("7","8","5","3","7","2","1") = "7"
    & skf18("7","8","5","3","7","3","1") = "7"
    & skf18("7","8","5","3","7","4","1") = "7"
    & skf18("7","8","5","3","7","5","1") = "7"
    & skf18("7","8","5","3","7","6","1") = "7"
    & skf18("7","8","5","3","7","7","1") = "7"
    & skf18("7","8","5","3","7","8","1") = "7"
    & skf18("7","8","5","3","7","9","1") = "8"
    & skf18("7","8","5","3","7","10","1") = "9"
    & skf18("7","8","5","3","8","1","1") = "7"
    & skf18("7","8","5","3","8","2","1") = "7"
    & skf18("7","8","5","3","8","3","1") = "7"
    & skf18("7","8","5","3","8","4","1") = "7"
    & skf18("7","8","5","3","8","5","1") = "7"
    & skf18("7","8","5","3","8","6","1") = "7"
    & skf18("7","8","5","3","8","7","1") = "7"
    & skf18("7","8","5","3","8","8","1") = "7"
    & skf18("7","8","5","3","8","9","1") = "8"
    & skf18("7","8","5","3","8","10","1") = "9"
    & skf18("7","8","5","3","9","1","1") = "8"
    & skf18("7","8","5","3","9","2","1") = "8"
    & skf18("7","8","5","3","9","3","1") = "8"
    & skf18("7","8","5","3","9","4","1") = "8"
    & skf18("7","8","5","3","9","5","1") = "8"
    & skf18("7","8","5","3","9","6","1") = "8"
    & skf18("7","8","5","3","9","7","1") = "8"
    & skf18("7","8","5","3","9","8","1") = "8"
    & skf18("7","8","5","3","9","9","1") = "8"
    & skf18("7","8","5","3","9","10","1") = "9"
    & skf18("7","8","5","3","10","1","1") = "9"
    & skf18("7","8","5","3","10","2","1") = "9"
    & skf18("7","8","5","3","10","3","1") = "9"
    & skf18("7","8","5","3","10","4","1") = "9"
    & skf18("7","8","5","3","10","5","1") = "9"
    & skf18("7","8","5","3","10","6","1") = "9"
    & skf18("7","8","5","3","10","7","1") = "9"
    & skf18("7","8","5","3","10","8","1") = "9"
    & skf18("7","8","5","3","10","9","1") = "9"
    & skf18("7","8","5","3","10","10","1") = "9"
    & skf18("7","8","5","4","1","1","1") = "7"
    & skf18("7","8","5","4","1","2","1") = "7"
    & skf18("7","8","5","4","1","3","1") = "7"
    & skf18("7","8","5","4","1","4","1") = "7"
    & skf18("7","8","5","4","1","5","1") = "7"
    & skf18("7","8","5","4","1","6","1") = "7"
    & skf18("7","8","5","4","1","7","1") = "7"
    & skf18("7","8","5","4","1","8","1") = "7"
    & skf18("7","8","5","4","1","9","1") = "8"
    & skf18("7","8","5","4","1","10","1") = "9"
    & skf18("7","8","5","4","2","1","1") = "7"
    & skf18("7","8","5","4","2","2","1") = "7"
    & skf18("7","8","5","4","2","3","1") = "7"
    & skf18("7","8","5","4","2","4","1") = "7"
    & skf18("7","8","5","4","2","5","1") = "7"
    & skf18("7","8","5","4","2","6","1") = "7"
    & skf18("7","8","5","4","2","7","1") = "7"
    & skf18("7","8","5","4","2","8","1") = "7"
    & skf18("7","8","5","4","2","9","1") = "8"
    & skf18("7","8","5","4","2","10","1") = "9"
    & skf18("7","8","5","4","3","1","1") = "7"
    & skf18("7","8","5","4","3","2","1") = "7"
    & skf18("7","8","5","4","3","3","1") = "7"
    & skf18("7","8","5","4","3","4","1") = "7"
    & skf18("7","8","5","4","3","5","1") = "7"
    & skf18("7","8","5","4","3","6","1") = "7"
    & skf18("7","8","5","4","3","7","1") = "7"
    & skf18("7","8","5","4","3","8","1") = "7"
    & skf18("7","8","5","4","3","9","1") = "8"
    & skf18("7","8","5","4","3","10","1") = "9"
    & skf18("7","8","5","4","4","1","1") = "7"
    & skf18("7","8","5","4","4","2","1") = "7"
    & skf18("7","8","5","4","4","3","1") = "7"
    & skf18("7","8","5","4","4","4","1") = "7"
    & skf18("7","8","5","4","4","5","1") = "7"
    & skf18("7","8","5","4","4","6","1") = "7"
    & skf18("7","8","5","4","4","7","1") = "7"
    & skf18("7","8","5","4","4","8","1") = "7"
    & skf18("7","8","5","4","4","9","1") = "8"
    & skf18("7","8","5","4","4","10","1") = "9"
    & skf18("7","8","5","4","5","1","1") = "7"
    & skf18("7","8","5","4","5","2","1") = "7"
    & skf18("7","8","5","4","5","3","1") = "7"
    & skf18("7","8","5","4","5","4","1") = "7"
    & skf18("7","8","5","4","5","5","1") = "7"
    & skf18("7","8","5","4","5","6","1") = "7"
    & skf18("7","8","5","4","5","7","1") = "7"
    & skf18("7","8","5","4","5","8","1") = "7"
    & skf18("7","8","5","4","5","9","1") = "8"
    & skf18("7","8","5","4","5","10","1") = "9"
    & skf18("7","8","5","4","6","1","1") = "7"
    & skf18("7","8","5","4","6","2","1") = "7"
    & skf18("7","8","5","4","6","3","1") = "7"
    & skf18("7","8","5","4","6","4","1") = "7"
    & skf18("7","8","5","4","6","5","1") = "7"
    & skf18("7","8","5","4","6","6","1") = "7"
    & skf18("7","8","5","4","6","7","1") = "7"
    & skf18("7","8","5","4","6","8","1") = "7"
    & skf18("7","8","5","4","6","9","1") = "8"
    & skf18("7","8","5","4","6","10","1") = "9"
    & skf18("7","8","5","4","7","1","1") = "7"
    & skf18("7","8","5","4","7","2","1") = "7"
    & skf18("7","8","5","4","7","3","1") = "7"
    & skf18("7","8","5","4","7","4","1") = "7"
    & skf18("7","8","5","4","7","5","1") = "7"
    & skf18("7","8","5","4","7","6","1") = "7"
    & skf18("7","8","5","4","7","7","1") = "7"
    & skf18("7","8","5","4","7","8","1") = "7"
    & skf18("7","8","5","4","7","9","1") = "8"
    & skf18("7","8","5","4","7","10","1") = "9"
    & skf18("7","8","5","4","8","1","1") = "7"
    & skf18("7","8","5","4","8","2","1") = "7"
    & skf18("7","8","5","4","8","3","1") = "7"
    & skf18("7","8","5","4","8","4","1") = "7"
    & skf18("7","8","5","4","8","5","1") = "7"
    & skf18("7","8","5","4","8","6","1") = "7"
    & skf18("7","8","5","4","8","7","1") = "7"
    & skf18("7","8","5","4","8","8","1") = "7"
    & skf18("7","8","5","4","8","9","1") = "8"
    & skf18("7","8","5","4","8","10","1") = "9"
    & skf18("7","8","5","4","9","1","1") = "8"
    & skf18("7","8","5","4","9","2","1") = "8"
    & skf18("7","8","5","4","9","3","1") = "8"
    & skf18("7","8","5","4","9","4","1") = "8"
    & skf18("7","8","5","4","9","5","1") = "8"
    & skf18("7","8","5","4","9","6","1") = "8"
    & skf18("7","8","5","4","9","7","1") = "8"
    & skf18("7","8","5","4","9","8","1") = "8"
    & skf18("7","8","5","4","9","9","1") = "8"
    & skf18("7","8","5","4","9","10","1") = "9"
    & skf18("7","8","5","4","10","1","1") = "9"
    & skf18("7","8","5","4","10","2","1") = "9"
    & skf18("7","8","5","4","10","3","1") = "9"
    & skf18("7","8","5","4","10","4","1") = "9"
    & skf18("7","8","5","4","10","5","1") = "9"
    & skf18("7","8","5","4","10","6","1") = "9"
    & skf18("7","8","5","4","10","7","1") = "9"
    & skf18("7","8","5","4","10","8","1") = "9"
    & skf18("7","8","5","4","10","9","1") = "9"
    & skf18("7","8","5","4","10","10","1") = "9"
    & skf18("7","8","5","5","1","1","1") = "7"
    & skf18("7","8","5","5","1","2","1") = "7"
    & skf18("7","8","5","5","1","3","1") = "7"
    & skf18("7","8","5","5","1","4","1") = "7"
    & skf18("7","8","5","5","1","5","1") = "7"
    & skf18("7","8","5","5","1","6","1") = "7"
    & skf18("7","8","5","5","1","7","1") = "7"
    & skf18("7","8","5","5","1","8","1") = "7"
    & skf18("7","8","5","5","1","9","1") = "8"
    & skf18("7","8","5","5","1","10","1") = "9"
    & skf18("7","8","5","5","2","1","1") = "7"
    & skf18("7","8","5","5","2","2","1") = "7"
    & skf18("7","8","5","5","2","3","1") = "7"
    & skf18("7","8","5","5","2","4","1") = "7"
    & skf18("7","8","5","5","2","5","1") = "7"
    & skf18("7","8","5","5","2","6","1") = "7"
    & skf18("7","8","5","5","2","7","1") = "7"
    & skf18("7","8","5","5","2","8","1") = "7"
    & skf18("7","8","5","5","2","9","1") = "8"
    & skf18("7","8","5","5","2","10","1") = "9"
    & skf18("7","8","5","5","3","1","1") = "7"
    & skf18("7","8","5","5","3","2","1") = "7"
    & skf18("7","8","5","5","3","3","1") = "7"
    & skf18("7","8","5","5","3","4","1") = "7"
    & skf18("7","8","5","5","3","5","1") = "7"
    & skf18("7","8","5","5","3","6","1") = "7"
    & skf18("7","8","5","5","3","7","1") = "7"
    & skf18("7","8","5","5","3","8","1") = "7"
    & skf18("7","8","5","5","3","9","1") = "8"
    & skf18("7","8","5","5","3","10","1") = "9"
    & skf18("7","8","5","5","4","1","1") = "7"
    & skf18("7","8","5","5","4","2","1") = "7"
    & skf18("7","8","5","5","4","3","1") = "7"
    & skf18("7","8","5","5","4","4","1") = "7"
    & skf18("7","8","5","5","4","5","1") = "7"
    & skf18("7","8","5","5","4","6","1") = "7"
    & skf18("7","8","5","5","4","7","1") = "7"
    & skf18("7","8","5","5","4","8","1") = "7"
    & skf18("7","8","5","5","4","9","1") = "8"
    & skf18("7","8","5","5","4","10","1") = "9"
    & skf18("7","8","5","5","5","1","1") = "7"
    & skf18("7","8","5","5","5","2","1") = "7"
    & skf18("7","8","5","5","5","3","1") = "7"
    & skf18("7","8","5","5","5","4","1") = "7"
    & skf18("7","8","5","5","5","5","1") = "7"
    & skf18("7","8","5","5","5","6","1") = "7"
    & skf18("7","8","5","5","5","7","1") = "7"
    & skf18("7","8","5","5","5","8","1") = "7"
    & skf18("7","8","5","5","5","9","1") = "8"
    & skf18("7","8","5","5","5","10","1") = "9"
    & skf18("7","8","5","5","6","1","1") = "7"
    & skf18("7","8","5","5","6","2","1") = "7"
    & skf18("7","8","5","5","6","3","1") = "7"
    & skf18("7","8","5","5","6","4","1") = "7"
    & skf18("7","8","5","5","6","5","1") = "7"
    & skf18("7","8","5","5","6","6","1") = "7"
    & skf18("7","8","5","5","6","7","1") = "7"
    & skf18("7","8","5","5","6","8","1") = "7"
    & skf18("7","8","5","5","6","9","1") = "8"
    & skf18("7","8","5","5","6","10","1") = "9"
    & skf18("7","8","5","5","7","1","1") = "7"
    & skf18("7","8","5","5","7","2","1") = "7"
    & skf18("7","8","5","5","7","3","1") = "7"
    & skf18("7","8","5","5","7","4","1") = "7"
    & skf18("7","8","5","5","7","5","1") = "7"
    & skf18("7","8","5","5","7","6","1") = "7"
    & skf18("7","8","5","5","7","7","1") = "7"
    & skf18("7","8","5","5","7","8","1") = "7"
    & skf18("7","8","5","5","7","9","1") = "8"
    & skf18("7","8","5","5","7","10","1") = "9"
    & skf18("7","8","5","5","8","1","1") = "7"
    & skf18("7","8","5","5","8","2","1") = "7"
    & skf18("7","8","5","5","8","3","1") = "7"
    & skf18("7","8","5","5","8","4","1") = "7"
    & skf18("7","8","5","5","8","5","1") = "7"
    & skf18("7","8","5","5","8","6","1") = "7"
    & skf18("7","8","5","5","8","7","1") = "7"
    & skf18("7","8","5","5","8","8","1") = "7"
    & skf18("7","8","5","5","8","9","1") = "8"
    & skf18("7","8","5","5","8","10","1") = "9"
    & skf18("7","8","5","5","9","1","1") = "8"
    & skf18("7","8","5","5","9","2","1") = "8"
    & skf18("7","8","5","5","9","3","1") = "8"
    & skf18("7","8","5","5","9","4","1") = "8"
    & skf18("7","8","5","5","9","5","1") = "8"
    & skf18("7","8","5","5","9","6","1") = "8"
    & skf18("7","8","5","5","9","7","1") = "8"
    & skf18("7","8","5","5","9","8","1") = "8"
    & skf18("7","8","5","5","9","9","1") = "8"
    & skf18("7","8","5","5","9","10","1") = "9"
    & skf18("7","8","5","5","10","1","1") = "9"
    & skf18("7","8","5","5","10","2","1") = "9"
    & skf18("7","8","5","5","10","3","1") = "9"
    & skf18("7","8","5","5","10","4","1") = "9"
    & skf18("7","8","5","5","10","5","1") = "9"
    & skf18("7","8","5","5","10","6","1") = "9"
    & skf18("7","8","5","5","10","7","1") = "9"
    & skf18("7","8","5","5","10","8","1") = "9"
    & skf18("7","8","5","5","10","9","1") = "9"
    & skf18("7","8","5","5","10","10","1") = "9"
    & skf18("7","8","5","6","1","1","1") = "7"
    & skf18("7","8","5","6","1","2","1") = "7"
    & skf18("7","8","5","6","1","3","1") = "7"
    & skf18("7","8","5","6","1","4","1") = "7"
    & skf18("7","8","5","6","1","5","1") = "7"
    & skf18("7","8","5","6","1","6","1") = "7"
    & skf18("7","8","5","6","1","7","1") = "7"
    & skf18("7","8","5","6","1","8","1") = "7"
    & skf18("7","8","5","6","1","9","1") = "8"
    & skf18("7","8","5","6","1","10","1") = "9"
    & skf18("7","8","5","6","2","1","1") = "7"
    & skf18("7","8","5","6","2","2","1") = "7"
    & skf18("7","8","5","6","2","3","1") = "7"
    & skf18("7","8","5","6","2","4","1") = "7"
    & skf18("7","8","5","6","2","5","1") = "7"
    & skf18("7","8","5","6","2","6","1") = "7"
    & skf18("7","8","5","6","2","7","1") = "7"
    & skf18("7","8","5","6","2","8","1") = "7"
    & skf18("7","8","5","6","2","9","1") = "8"
    & skf18("7","8","5","6","2","10","1") = "9"
    & skf18("7","8","5","6","3","1","1") = "7"
    & skf18("7","8","5","6","3","2","1") = "7"
    & skf18("7","8","5","6","3","3","1") = "7"
    & skf18("7","8","5","6","3","4","1") = "7"
    & skf18("7","8","5","6","3","5","1") = "7"
    & skf18("7","8","5","6","3","6","1") = "7"
    & skf18("7","8","5","6","3","7","1") = "7"
    & skf18("7","8","5","6","3","8","1") = "7"
    & skf18("7","8","5","6","3","9","1") = "8"
    & skf18("7","8","5","6","3","10","1") = "9"
    & skf18("7","8","5","6","4","1","1") = "7"
    & skf18("7","8","5","6","4","2","1") = "7"
    & skf18("7","8","5","6","4","3","1") = "7"
    & skf18("7","8","5","6","4","4","1") = "7"
    & skf18("7","8","5","6","4","5","1") = "7"
    & skf18("7","8","5","6","4","6","1") = "7"
    & skf18("7","8","5","6","4","7","1") = "7"
    & skf18("7","8","5","6","4","8","1") = "7"
    & skf18("7","8","5","6","4","9","1") = "8"
    & skf18("7","8","5","6","4","10","1") = "9"
    & skf18("7","8","5","6","5","1","1") = "7"
    & skf18("7","8","5","6","5","2","1") = "7"
    & skf18("7","8","5","6","5","3","1") = "7"
    & skf18("7","8","5","6","5","4","1") = "7"
    & skf18("7","8","5","6","5","5","1") = "7"
    & skf18("7","8","5","6","5","6","1") = "7"
    & skf18("7","8","5","6","5","7","1") = "7"
    & skf18("7","8","5","6","5","8","1") = "7"
    & skf18("7","8","5","6","5","9","1") = "8"
    & skf18("7","8","5","6","5","10","1") = "9"
    & skf18("7","8","5","6","6","1","1") = "7"
    & skf18("7","8","5","6","6","2","1") = "7"
    & skf18("7","8","5","6","6","3","1") = "7"
    & skf18("7","8","5","6","6","4","1") = "7"
    & skf18("7","8","5","6","6","5","1") = "7"
    & skf18("7","8","5","6","6","6","1") = "7"
    & skf18("7","8","5","6","6","7","1") = "7"
    & skf18("7","8","5","6","6","8","1") = "7"
    & skf18("7","8","5","6","6","9","1") = "8"
    & skf18("7","8","5","6","6","10","1") = "9"
    & skf18("7","8","5","6","7","1","1") = "7"
    & skf18("7","8","5","6","7","2","1") = "7"
    & skf18("7","8","5","6","7","3","1") = "7"
    & skf18("7","8","5","6","7","4","1") = "7"
    & skf18("7","8","5","6","7","5","1") = "7"
    & skf18("7","8","5","6","7","6","1") = "7"
    & skf18("7","8","5","6","7","7","1") = "7"
    & skf18("7","8","5","6","7","8","1") = "7"
    & skf18("7","8","5","6","7","9","1") = "8"
    & skf18("7","8","5","6","7","10","1") = "9"
    & skf18("7","8","5","6","8","1","1") = "7"
    & skf18("7","8","5","6","8","2","1") = "7"
    & skf18("7","8","5","6","8","3","1") = "7"
    & skf18("7","8","5","6","8","4","1") = "7"
    & skf18("7","8","5","6","8","5","1") = "7"
    & skf18("7","8","5","6","8","6","1") = "7"
    & skf18("7","8","5","6","8","7","1") = "7"
    & skf18("7","8","5","6","8","8","1") = "7"
    & skf18("7","8","5","6","8","9","1") = "8"
    & skf18("7","8","5","6","8","10","1") = "9"
    & skf18("7","8","5","6","9","1","1") = "8"
    & skf18("7","8","5","6","9","2","1") = "8"
    & skf18("7","8","5","6","9","3","1") = "8"
    & skf18("7","8","5","6","9","4","1") = "8"
    & skf18("7","8","5","6","9","5","1") = "8"
    & skf18("7","8","5","6","9","6","1") = "8"
    & skf18("7","8","5","6","9","7","1") = "8"
    & skf18("7","8","5","6","9","8","1") = "8"
    & skf18("7","8","5","6","9","9","1") = "8"
    & skf18("7","8","5","6","9","10","1") = "9"
    & skf18("7","8","5","6","10","1","1") = "9"
    & skf18("7","8","5","6","10","2","1") = "9"
    & skf18("7","8","5","6","10","3","1") = "9"
    & skf18("7","8","5","6","10","4","1") = "9"
    & skf18("7","8","5","6","10","5","1") = "9"
    & skf18("7","8","5","6","10","6","1") = "9"
    & skf18("7","8","5","6","10","7","1") = "9"
    & skf18("7","8","5","6","10","8","1") = "9"
    & skf18("7","8","5","6","10","9","1") = "9"
    & skf18("7","8","5","6","10","10","1") = "9"
    & skf18("7","8","5","7","1","1","1") = "7"
    & skf18("7","8","5","7","1","2","1") = "7"
    & skf18("7","8","5","7","1","3","1") = "7"
    & skf18("7","8","5","7","1","4","1") = "7"
    & skf18("7","8","5","7","1","5","1") = "7"
    & skf18("7","8","5","7","1","6","1") = "7"
    & skf18("7","8","5","7","1","7","1") = "7"
    & skf18("7","8","5","7","1","8","1") = "7"
    & skf18("7","8","5","7","1","9","1") = "8"
    & skf18("7","8","5","7","1","10","1") = "9"
    & skf18("7","8","5","7","2","1","1") = "7"
    & skf18("7","8","5","7","2","2","1") = "7"
    & skf18("7","8","5","7","2","3","1") = "7"
    & skf18("7","8","5","7","2","4","1") = "7"
    & skf18("7","8","5","7","2","5","1") = "7"
    & skf18("7","8","5","7","2","6","1") = "7"
    & skf18("7","8","5","7","2","7","1") = "7"
    & skf18("7","8","5","7","2","8","1") = "7"
    & skf18("7","8","5","7","2","9","1") = "8"
    & skf18("7","8","5","7","2","10","1") = "9"
    & skf18("7","8","5","7","3","1","1") = "7"
    & skf18("7","8","5","7","3","2","1") = "7"
    & skf18("7","8","5","7","3","3","1") = "7"
    & skf18("7","8","5","7","3","4","1") = "7"
    & skf18("7","8","5","7","3","5","1") = "7"
    & skf18("7","8","5","7","3","6","1") = "7"
    & skf18("7","8","5","7","3","7","1") = "7"
    & skf18("7","8","5","7","3","8","1") = "7"
    & skf18("7","8","5","7","3","9","1") = "8"
    & skf18("7","8","5","7","3","10","1") = "9"
    & skf18("7","8","5","7","4","1","1") = "7"
    & skf18("7","8","5","7","4","2","1") = "7"
    & skf18("7","8","5","7","4","3","1") = "7"
    & skf18("7","8","5","7","4","4","1") = "7"
    & skf18("7","8","5","7","4","5","1") = "7"
    & skf18("7","8","5","7","4","6","1") = "7"
    & skf18("7","8","5","7","4","7","1") = "7"
    & skf18("7","8","5","7","4","8","1") = "7"
    & skf18("7","8","5","7","4","9","1") = "8"
    & skf18("7","8","5","7","4","10","1") = "9"
    & skf18("7","8","5","7","5","1","1") = "7"
    & skf18("7","8","5","7","5","2","1") = "7"
    & skf18("7","8","5","7","5","3","1") = "7"
    & skf18("7","8","5","7","5","4","1") = "7"
    & skf18("7","8","5","7","5","5","1") = "7"
    & skf18("7","8","5","7","5","6","1") = "7"
    & skf18("7","8","5","7","5","7","1") = "7"
    & skf18("7","8","5","7","5","8","1") = "7"
    & skf18("7","8","5","7","5","9","1") = "8"
    & skf18("7","8","5","7","5","10","1") = "9"
    & skf18("7","8","5","7","6","1","1") = "7"
    & skf18("7","8","5","7","6","2","1") = "7"
    & skf18("7","8","5","7","6","3","1") = "7"
    & skf18("7","8","5","7","6","4","1") = "7"
    & skf18("7","8","5","7","6","5","1") = "7"
    & skf18("7","8","5","7","6","6","1") = "7"
    & skf18("7","8","5","7","6","7","1") = "7"
    & skf18("7","8","5","7","6","8","1") = "7"
    & skf18("7","8","5","7","6","9","1") = "8"
    & skf18("7","8","5","7","6","10","1") = "9"
    & skf18("7","8","5","7","7","1","1") = "7"
    & skf18("7","8","5","7","7","2","1") = "7"
    & skf18("7","8","5","7","7","3","1") = "7"
    & skf18("7","8","5","7","7","4","1") = "7"
    & skf18("7","8","5","7","7","5","1") = "7"
    & skf18("7","8","5","7","7","6","1") = "7"
    & skf18("7","8","5","7","7","7","1") = "7"
    & skf18("7","8","5","7","7","8","1") = "7"
    & skf18("7","8","5","7","7","9","1") = "8"
    & skf18("7","8","5","7","7","10","1") = "9"
    & skf18("7","8","5","7","8","1","1") = "7"
    & skf18("7","8","5","7","8","2","1") = "7"
    & skf18("7","8","5","7","8","3","1") = "7"
    & skf18("7","8","5","7","8","4","1") = "7"
    & skf18("7","8","5","7","8","5","1") = "7"
    & skf18("7","8","5","7","8","6","1") = "7"
    & skf18("7","8","5","7","8","7","1") = "7"
    & skf18("7","8","5","7","8","8","1") = "7"
    & skf18("7","8","5","7","8","9","1") = "8"
    & skf18("7","8","5","7","8","10","1") = "9"
    & skf18("7","8","5","7","9","1","1") = "8"
    & skf18("7","8","5","7","9","2","1") = "8"
    & skf18("7","8","5","7","9","3","1") = "8"
    & skf18("7","8","5","7","9","4","1") = "8"
    & skf18("7","8","5","7","9","5","1") = "8"
    & skf18("7","8","5","7","9","6","1") = "8"
    & skf18("7","8","5","7","9","7","1") = "8"
    & skf18("7","8","5","7","9","8","1") = "8"
    & skf18("7","8","5","7","9","9","1") = "8"
    & skf18("7","8","5","7","9","10","1") = "9"
    & skf18("7","8","5","7","10","1","1") = "9"
    & skf18("7","8","5","7","10","2","1") = "9"
    & skf18("7","8","5","7","10","3","1") = "9"
    & skf18("7","8","5","7","10","4","1") = "9"
    & skf18("7","8","5","7","10","5","1") = "9"
    & skf18("7","8","5","7","10","6","1") = "9"
    & skf18("7","8","5","7","10","7","1") = "9"
    & skf18("7","8","5","7","10","8","1") = "9"
    & skf18("7","8","5","7","10","9","1") = "9"
    & skf18("7","8","5","7","10","10","1") = "9"
    & skf18("7","8","5","8","1","1","1") = "7"
    & skf18("7","8","5","8","1","2","1") = "7"
    & skf18("7","8","5","8","1","3","1") = "7"
    & skf18("7","8","5","8","1","4","1") = "7"
    & skf18("7","8","5","8","1","5","1") = "7"
    & skf18("7","8","5","8","1","6","1") = "7"
    & skf18("7","8","5","8","1","7","1") = "7"
    & skf18("7","8","5","8","1","8","1") = "7"
    & skf18("7","8","5","8","1","9","1") = "8"
    & skf18("7","8","5","8","1","10","1") = "9"
    & skf18("7","8","5","8","2","1","1") = "7"
    & skf18("7","8","5","8","2","2","1") = "7"
    & skf18("7","8","5","8","2","3","1") = "7"
    & skf18("7","8","5","8","2","4","1") = "7"
    & skf18("7","8","5","8","2","5","1") = "7"
    & skf18("7","8","5","8","2","6","1") = "7"
    & skf18("7","8","5","8","2","7","1") = "7"
    & skf18("7","8","5","8","2","8","1") = "7"
    & skf18("7","8","5","8","2","9","1") = "8"
    & skf18("7","8","5","8","2","10","1") = "9"
    & skf18("7","8","5","8","3","1","1") = "7"
    & skf18("7","8","5","8","3","2","1") = "7"
    & skf18("7","8","5","8","3","3","1") = "7"
    & skf18("7","8","5","8","3","4","1") = "7"
    & skf18("7","8","5","8","3","5","1") = "7"
    & skf18("7","8","5","8","3","6","1") = "7"
    & skf18("7","8","5","8","3","7","1") = "7"
    & skf18("7","8","5","8","3","8","1") = "7"
    & skf18("7","8","5","8","3","9","1") = "8"
    & skf18("7","8","5","8","3","10","1") = "9"
    & skf18("7","8","5","8","4","1","1") = "7"
    & skf18("7","8","5","8","4","2","1") = "7"
    & skf18("7","8","5","8","4","3","1") = "7"
    & skf18("7","8","5","8","4","4","1") = "7"
    & skf18("7","8","5","8","4","5","1") = "7"
    & skf18("7","8","5","8","4","6","1") = "7"
    & skf18("7","8","5","8","4","7","1") = "7"
    & skf18("7","8","5","8","4","8","1") = "7"
    & skf18("7","8","5","8","4","9","1") = "8"
    & skf18("7","8","5","8","4","10","1") = "9"
    & skf18("7","8","5","8","5","1","1") = "7"
    & skf18("7","8","5","8","5","2","1") = "7"
    & skf18("7","8","5","8","5","3","1") = "7"
    & skf18("7","8","5","8","5","4","1") = "7"
    & skf18("7","8","5","8","5","5","1") = "7"
    & skf18("7","8","5","8","5","6","1") = "7"
    & skf18("7","8","5","8","5","7","1") = "7"
    & skf18("7","8","5","8","5","8","1") = "7"
    & skf18("7","8","5","8","5","9","1") = "8"
    & skf18("7","8","5","8","5","10","1") = "9"
    & skf18("7","8","5","8","6","1","1") = "7"
    & skf18("7","8","5","8","6","2","1") = "7"
    & skf18("7","8","5","8","6","3","1") = "7"
    & skf18("7","8","5","8","6","4","1") = "7"
    & skf18("7","8","5","8","6","5","1") = "7"
    & skf18("7","8","5","8","6","6","1") = "7"
    & skf18("7","8","5","8","6","7","1") = "7"
    & skf18("7","8","5","8","6","8","1") = "7"
    & skf18("7","8","5","8","6","9","1") = "8"
    & skf18("7","8","5","8","6","10","1") = "9"
    & skf18("7","8","5","8","7","1","1") = "7"
    & skf18("7","8","5","8","7","2","1") = "7"
    & skf18("7","8","5","8","7","3","1") = "7"
    & skf18("7","8","5","8","7","4","1") = "7"
    & skf18("7","8","5","8","7","5","1") = "7"
    & skf18("7","8","5","8","7","6","1") = "7"
    & skf18("7","8","5","8","7","7","1") = "7"
    & skf18("7","8","5","8","7","8","1") = "7"
    & skf18("7","8","5","8","7","9","1") = "8"
    & skf18("7","8","5","8","7","10","1") = "9"
    & skf18("7","8","5","8","8","1","1") = "7"
    & skf18("7","8","5","8","8","2","1") = "7"
    & skf18("7","8","5","8","8","3","1") = "7"
    & skf18("7","8","5","8","8","4","1") = "7"
    & skf18("7","8","5","8","8","5","1") = "7"
    & skf18("7","8","5","8","8","6","1") = "7"
    & skf18("7","8","5","8","8","7","1") = "7"
    & skf18("7","8","5","8","8","8","1") = "7"
    & skf18("7","8","5","8","8","9","1") = "8"
    & skf18("7","8","5","8","8","10","1") = "9"
    & skf18("7","8","5","8","9","1","1") = "8"
    & skf18("7","8","5","8","9","2","1") = "8"
    & skf18("7","8","5","8","9","3","1") = "8"
    & skf18("7","8","5","8","9","4","1") = "8"
    & skf18("7","8","5","8","9","5","1") = "8"
    & skf18("7","8","5","8","9","6","1") = "8"
    & skf18("7","8","5","8","9","7","1") = "8"
    & skf18("7","8","5","8","9","8","1") = "8"
    & skf18("7","8","5","8","9","9","1") = "8"
    & skf18("7","8","5","8","9","10","1") = "9"
    & skf18("7","8","5","8","10","1","1") = "9"
    & skf18("7","8","5","8","10","2","1") = "9"
    & skf18("7","8","5","8","10","3","1") = "9"
    & skf18("7","8","5","8","10","4","1") = "9"
    & skf18("7","8","5","8","10","5","1") = "9"
    & skf18("7","8","5","8","10","6","1") = "9"
    & skf18("7","8","5","8","10","7","1") = "9"
    & skf18("7","8","5","8","10","8","1") = "9"
    & skf18("7","8","5","8","10","9","1") = "9"
    & skf18("7","8","5","8","10","10","1") = "9"
    & skf18("7","8","5","9","1","1","1") = "8"
    & skf18("7","8","5","9","1","2","1") = "8"
    & skf18("7","8","5","9","1","3","1") = "8"
    & skf18("7","8","5","9","1","4","1") = "8"
    & skf18("7","8","5","9","1","5","1") = "8"
    & skf18("7","8","5","9","1","6","1") = "8"
    & skf18("7","8","5","9","1","7","1") = "8"
    & skf18("7","8","5","9","1","8","1") = "8"
    & skf18("7","8","5","9","1","9","1") = "8"
    & skf18("7","8","5","9","1","10","1") = "9"
    & skf18("7","8","5","9","2","1","1") = "8"
    & skf18("7","8","5","9","2","2","1") = "8"
    & skf18("7","8","5","9","2","3","1") = "8"
    & skf18("7","8","5","9","2","4","1") = "8"
    & skf18("7","8","5","9","2","5","1") = "8"
    & skf18("7","8","5","9","2","6","1") = "8"
    & skf18("7","8","5","9","2","7","1") = "8"
    & skf18("7","8","5","9","2","8","1") = "8"
    & skf18("7","8","5","9","2","9","1") = "8"
    & skf18("7","8","5","9","2","10","1") = "9"
    & skf18("7","8","5","9","3","1","1") = "8"
    & skf18("7","8","5","9","3","2","1") = "8"
    & skf18("7","8","5","9","3","3","1") = "8"
    & skf18("7","8","5","9","3","4","1") = "8"
    & skf18("7","8","5","9","3","5","1") = "8"
    & skf18("7","8","5","9","3","6","1") = "8"
    & skf18("7","8","5","9","3","7","1") = "8"
    & skf18("7","8","5","9","3","8","1") = "8"
    & skf18("7","8","5","9","3","9","1") = "8"
    & skf18("7","8","5","9","3","10","1") = "9"
    & skf18("7","8","5","9","4","1","1") = "8"
    & skf18("7","8","5","9","4","2","1") = "8"
    & skf18("7","8","5","9","4","3","1") = "8"
    & skf18("7","8","5","9","4","4","1") = "8"
    & skf18("7","8","5","9","4","5","1") = "8"
    & skf18("7","8","5","9","4","6","1") = "8"
    & skf18("7","8","5","9","4","7","1") = "8"
    & skf18("7","8","5","9","4","8","1") = "8"
    & skf18("7","8","5","9","4","9","1") = "8"
    & skf18("7","8","5","9","4","10","1") = "9"
    & skf18("7","8","5","9","5","1","1") = "8"
    & skf18("7","8","5","9","5","2","1") = "8"
    & skf18("7","8","5","9","5","3","1") = "8"
    & skf18("7","8","5","9","5","4","1") = "8"
    & skf18("7","8","5","9","5","5","1") = "8"
    & skf18("7","8","5","9","5","6","1") = "8"
    & skf18("7","8","5","9","5","7","1") = "8"
    & skf18("7","8","5","9","5","8","1") = "8"
    & skf18("7","8","5","9","5","9","1") = "8"
    & skf18("7","8","5","9","5","10","1") = "9"
    & skf18("7","8","5","9","6","1","1") = "8"
    & skf18("7","8","5","9","6","2","1") = "8"
    & skf18("7","8","5","9","6","3","1") = "8"
    & skf18("7","8","5","9","6","4","1") = "8"
    & skf18("7","8","5","9","6","5","1") = "8"
    & skf18("7","8","5","9","6","6","1") = "8"
    & skf18("7","8","5","9","6","7","1") = "8"
    & skf18("7","8","5","9","6","8","1") = "8"
    & skf18("7","8","5","9","6","9","1") = "8"
    & skf18("7","8","5","9","6","10","1") = "9"
    & skf18("7","8","5","9","7","1","1") = "8"
    & skf18("7","8","5","9","7","2","1") = "8"
    & skf18("7","8","5","9","7","3","1") = "8"
    & skf18("7","8","5","9","7","4","1") = "8"
    & skf18("7","8","5","9","7","5","1") = "8"
    & skf18("7","8","5","9","7","6","1") = "8"
    & skf18("7","8","5","9","7","7","1") = "8"
    & skf18("7","8","5","9","7","8","1") = "8"
    & skf18("7","8","5","9","7","9","1") = "8"
    & skf18("7","8","5","9","7","10","1") = "9"
    & skf18("7","8","5","9","8","1","1") = "8"
    & skf18("7","8","5","9","8","2","1") = "8"
    & skf18("7","8","5","9","8","3","1") = "8"
    & skf18("7","8","5","9","8","4","1") = "8"
    & skf18("7","8","5","9","8","5","1") = "8"
    & skf18("7","8","5","9","8","6","1") = "8"
    & skf18("7","8","5","9","8","7","1") = "8"
    & skf18("7","8","5","9","8","8","1") = "8"
    & skf18("7","8","5","9","8","9","1") = "8"
    & skf18("7","8","5","9","8","10","1") = "9"
    & skf18("7","8","5","9","9","1","1") = "8"
    & skf18("7","8","5","9","9","2","1") = "8"
    & skf18("7","8","5","9","9","3","1") = "8"
    & skf18("7","8","5","9","9","4","1") = "8"
    & skf18("7","8","5","9","9","5","1") = "8"
    & skf18("7","8","5","9","9","6","1") = "8"
    & skf18("7","8","5","9","9","7","1") = "8"
    & skf18("7","8","5","9","9","8","1") = "8"
    & skf18("7","8","5","9","9","9","1") = "8"
    & skf18("7","8","5","9","9","10","1") = "9"
    & skf18("7","8","5","9","10","1","1") = "9"
    & skf18("7","8","5","9","10","2","1") = "9"
    & skf18("7","8","5","9","10","3","1") = "9"
    & skf18("7","8","5","9","10","4","1") = "9"
    & skf18("7","8","5","9","10","5","1") = "9"
    & skf18("7","8","5","9","10","6","1") = "9"
    & skf18("7","8","5","9","10","7","1") = "9"
    & skf18("7","8","5","9","10","8","1") = "9"
    & skf18("7","8","5","9","10","9","1") = "9"
    & skf18("7","8","5","9","10","10","1") = "9"
    & skf18("7","8","5","10","1","1","1") = "9"
    & skf18("7","8","5","10","1","2","1") = "9"
    & skf18("7","8","5","10","1","3","1") = "9"
    & skf18("7","8","5","10","1","4","1") = "9"
    & skf18("7","8","5","10","1","5","1") = "9"
    & skf18("7","8","5","10","1","6","1") = "9"
    & skf18("7","8","5","10","1","7","1") = "9"
    & skf18("7","8","5","10","1","8","1") = "9"
    & skf18("7","8","5","10","1","9","1") = "9"
    & skf18("7","8","5","10","1","10","1") = "9"
    & skf18("7","8","5","10","2","1","1") = "9"
    & skf18("7","8","5","10","2","2","1") = "9"
    & skf18("7","8","5","10","2","3","1") = "9"
    & skf18("7","8","5","10","2","4","1") = "9"
    & skf18("7","8","5","10","2","5","1") = "9"
    & skf18("7","8","5","10","2","6","1") = "9"
    & skf18("7","8","5","10","2","7","1") = "9"
    & skf18("7","8","5","10","2","8","1") = "9"
    & skf18("7","8","5","10","2","9","1") = "9"
    & skf18("7","8","5","10","2","10","1") = "9"
    & skf18("7","8","5","10","3","1","1") = "9"
    & skf18("7","8","5","10","3","2","1") = "9"
    & skf18("7","8","5","10","3","3","1") = "9"
    & skf18("7","8","5","10","3","4","1") = "9"
    & skf18("7","8","5","10","3","5","1") = "9"
    & skf18("7","8","5","10","3","6","1") = "9"
    & skf18("7","8","5","10","3","7","1") = "9"
    & skf18("7","8","5","10","3","8","1") = "9"
    & skf18("7","8","5","10","3","9","1") = "9"
    & skf18("7","8","5","10","3","10","1") = "9"
    & skf18("7","8","5","10","4","1","1") = "9"
    & skf18("7","8","5","10","4","2","1") = "9"
    & skf18("7","8","5","10","4","3","1") = "9"
    & skf18("7","8","5","10","4","4","1") = "9"
    & skf18("7","8","5","10","4","5","1") = "9"
    & skf18("7","8","5","10","4","6","1") = "9"
    & skf18("7","8","5","10","4","7","1") = "9"
    & skf18("7","8","5","10","4","8","1") = "9"
    & skf18("7","8","5","10","4","9","1") = "9"
    & skf18("7","8","5","10","4","10","1") = "9"
    & skf18("7","8","5","10","5","1","1") = "9"
    & skf18("7","8","5","10","5","2","1") = "9"
    & skf18("7","8","5","10","5","3","1") = "9"
    & skf18("7","8","5","10","5","4","1") = "9"
    & skf18("7","8","5","10","5","5","1") = "9"
    & skf18("7","8","5","10","5","6","1") = "9"
    & skf18("7","8","5","10","5","7","1") = "9"
    & skf18("7","8","5","10","5","8","1") = "9"
    & skf18("7","8","5","10","5","9","1") = "9"
    & skf18("7","8","5","10","5","10","1") = "9"
    & skf18("7","8","5","10","6","1","1") = "9"
    & skf18("7","8","5","10","6","2","1") = "9"
    & skf18("7","8","5","10","6","3","1") = "9"
    & skf18("7","8","5","10","6","4","1") = "9"
    & skf18("7","8","5","10","6","5","1") = "9"
    & skf18("7","8","5","10","6","6","1") = "9"
    & skf18("7","8","5","10","6","7","1") = "9"
    & skf18("7","8","5","10","6","8","1") = "9"
    & skf18("7","8","5","10","6","9","1") = "9"
    & skf18("7","8","5","10","6","10","1") = "9"
    & skf18("7","8","5","10","7","1","1") = "9"
    & skf18("7","8","5","10","7","2","1") = "9"
    & skf18("7","8","5","10","7","3","1") = "9"
    & skf18("7","8","5","10","7","4","1") = "9"
    & skf18("7","8","5","10","7","5","1") = "9"
    & skf18("7","8","5","10","7","6","1") = "9"
    & skf18("7","8","5","10","7","7","1") = "9"
    & skf18("7","8","5","10","7","8","1") = "9"
    & skf18("7","8","5","10","7","9","1") = "9"
    & skf18("7","8","5","10","7","10","1") = "9"
    & skf18("7","8","5","10","8","1","1") = "9"
    & skf18("7","8","5","10","8","2","1") = "9"
    & skf18("7","8","5","10","8","3","1") = "9"
    & skf18("7","8","5","10","8","4","1") = "9"
    & skf18("7","8","5","10","8","5","1") = "9"
    & skf18("7","8","5","10","8","6","1") = "9"
    & skf18("7","8","5","10","8","7","1") = "9"
    & skf18("7","8","5","10","8","8","1") = "9"
    & skf18("7","8","5","10","8","9","1") = "9"
    & skf18("7","8","5","10","8","10","1") = "9"
    & skf18("7","8","5","10","9","1","1") = "9"
    & skf18("7","8","5","10","9","2","1") = "9"
    & skf18("7","8","5","10","9","3","1") = "9"
    & skf18("7","8","5","10","9","4","1") = "9"
    & skf18("7","8","5","10","9","5","1") = "9"
    & skf18("7","8","5","10","9","6","1") = "9"
    & skf18("7","8","5","10","9","7","1") = "9"
    & skf18("7","8","5","10","9","8","1") = "9"
    & skf18("7","8","5","10","9","9","1") = "9"
    & skf18("7","8","5","10","9","10","1") = "9"
    & skf18("7","8","5","10","10","1","1") = "9"
    & skf18("7","8","5","10","10","2","1") = "9"
    & skf18("7","8","5","10","10","3","1") = "9"
    & skf18("7","8","5","10","10","4","1") = "9"
    & skf18("7","8","5","10","10","5","1") = "9"
    & skf18("7","8","5","10","10","6","1") = "9"
    & skf18("7","8","5","10","10","7","1") = "9"
    & skf18("7","8","5","10","10","8","1") = "9"
    & skf18("7","8","5","10","10","9","1") = "9"
    & skf18("7","8","5","10","10","10","1") = "9"
    & skf18("7","8","6","1","1","1","1") = "7"
    & skf18("7","8","6","1","1","2","1") = "7"
    & skf18("7","8","6","1","1","3","1") = "7"
    & skf18("7","8","6","1","1","4","1") = "7"
    & skf18("7","8","6","1","1","5","1") = "7"
    & skf18("7","8","6","1","1","6","1") = "7"
    & skf18("7","8","6","1","1","7","1") = "7"
    & skf18("7","8","6","1","1","8","1") = "7"
    & skf18("7","8","6","1","1","9","1") = "8"
    & skf18("7","8","6","1","1","10","1") = "9"
    & skf18("7","8","6","1","2","1","1") = "7"
    & skf18("7","8","6","1","2","2","1") = "7"
    & skf18("7","8","6","1","2","3","1") = "7"
    & skf18("7","8","6","1","2","4","1") = "7"
    & skf18("7","8","6","1","2","5","1") = "7"
    & skf18("7","8","6","1","2","6","1") = "7"
    & skf18("7","8","6","1","2","7","1") = "7"
    & skf18("7","8","6","1","2","8","1") = "7"
    & skf18("7","8","6","1","2","9","1") = "8"
    & skf18("7","8","6","1","2","10","1") = "9"
    & skf18("7","8","6","1","3","1","1") = "7"
    & skf18("7","8","6","1","3","2","1") = "7"
    & skf18("7","8","6","1","3","3","1") = "7"
    & skf18("7","8","6","1","3","4","1") = "7"
    & skf18("7","8","6","1","3","5","1") = "7"
    & skf18("7","8","6","1","3","6","1") = "7"
    & skf18("7","8","6","1","3","7","1") = "7"
    & skf18("7","8","6","1","3","8","1") = "7"
    & skf18("7","8","6","1","3","9","1") = "8"
    & skf18("7","8","6","1","3","10","1") = "9"
    & skf18("7","8","6","1","4","1","1") = "7"
    & skf18("7","8","6","1","4","2","1") = "7"
    & skf18("7","8","6","1","4","3","1") = "7"
    & skf18("7","8","6","1","4","4","1") = "7"
    & skf18("7","8","6","1","4","5","1") = "7"
    & skf18("7","8","6","1","4","6","1") = "7"
    & skf18("7","8","6","1","4","7","1") = "7"
    & skf18("7","8","6","1","4","8","1") = "7"
    & skf18("7","8","6","1","4","9","1") = "8"
    & skf18("7","8","6","1","4","10","1") = "9"
    & skf18("7","8","6","1","5","1","1") = "7"
    & skf18("7","8","6","1","5","2","1") = "7"
    & skf18("7","8","6","1","5","3","1") = "7"
    & skf18("7","8","6","1","5","4","1") = "7"
    & skf18("7","8","6","1","5","5","1") = "7"
    & skf18("7","8","6","1","5","6","1") = "7"
    & skf18("7","8","6","1","5","7","1") = "7"
    & skf18("7","8","6","1","5","8","1") = "7"
    & skf18("7","8","6","1","5","9","1") = "8"
    & skf18("7","8","6","1","5","10","1") = "9"
    & skf18("7","8","6","1","6","1","1") = "7"
    & skf18("7","8","6","1","6","2","1") = "7"
    & skf18("7","8","6","1","6","3","1") = "7"
    & skf18("7","8","6","1","6","4","1") = "7"
    & skf18("7","8","6","1","6","5","1") = "7"
    & skf18("7","8","6","1","6","6","1") = "7"
    & skf18("7","8","6","1","6","7","1") = "7"
    & skf18("7","8","6","1","6","8","1") = "7"
    & skf18("7","8","6","1","6","9","1") = "8"
    & skf18("7","8","6","1","6","10","1") = "9"
    & skf18("7","8","6","1","7","1","1") = "7"
    & skf18("7","8","6","1","7","2","1") = "7"
    & skf18("7","8","6","1","7","3","1") = "7"
    & skf18("7","8","6","1","7","4","1") = "7"
    & skf18("7","8","6","1","7","5","1") = "7"
    & skf18("7","8","6","1","7","6","1") = "7"
    & skf18("7","8","6","1","7","7","1") = "7"
    & skf18("7","8","6","1","7","8","1") = "7"
    & skf18("7","8","6","1","7","9","1") = "8"
    & skf18("7","8","6","1","7","10","1") = "9"
    & skf18("7","8","6","1","8","1","1") = "7"
    & skf18("7","8","6","1","8","2","1") = "7"
    & skf18("7","8","6","1","8","3","1") = "7"
    & skf18("7","8","6","1","8","4","1") = "7"
    & skf18("7","8","6","1","8","5","1") = "7"
    & skf18("7","8","6","1","8","6","1") = "7"
    & skf18("7","8","6","1","8","7","1") = "7"
    & skf18("7","8","6","1","8","8","1") = "7"
    & skf18("7","8","6","1","8","9","1") = "8"
    & skf18("7","8","6","1","8","10","1") = "9"
    & skf18("7","8","6","1","9","1","1") = "8"
    & skf18("7","8","6","1","9","2","1") = "8"
    & skf18("7","8","6","1","9","3","1") = "8"
    & skf18("7","8","6","1","9","4","1") = "8"
    & skf18("7","8","6","1","9","5","1") = "8"
    & skf18("7","8","6","1","9","6","1") = "8"
    & skf18("7","8","6","1","9","7","1") = "8"
    & skf18("7","8","6","1","9","8","1") = "8"
    & skf18("7","8","6","1","9","9","1") = "8"
    & skf18("7","8","6","1","9","10","1") = "9"
    & skf18("7","8","6","1","10","1","1") = "9"
    & skf18("7","8","6","1","10","2","1") = "9"
    & skf18("7","8","6","1","10","3","1") = "9"
    & skf18("7","8","6","1","10","4","1") = "9"
    & skf18("7","8","6","1","10","5","1") = "9"
    & skf18("7","8","6","1","10","6","1") = "9"
    & skf18("7","8","6","1","10","7","1") = "9"
    & skf18("7","8","6","1","10","8","1") = "9"
    & skf18("7","8","6","1","10","9","1") = "9"
    & skf18("7","8","6","1","10","10","1") = "9"
    & skf18("7","8","6","2","1","1","1") = "7"
    & skf18("7","8","6","2","1","2","1") = "7"
    & skf18("7","8","6","2","1","3","1") = "7"
    & skf18("7","8","6","2","1","4","1") = "7"
    & skf18("7","8","6","2","1","5","1") = "7"
    & skf18("7","8","6","2","1","6","1") = "7"
    & skf18("7","8","6","2","1","7","1") = "7"
    & skf18("7","8","6","2","1","8","1") = "7"
    & skf18("7","8","6","2","1","9","1") = "8"
    & skf18("7","8","6","2","1","10","1") = "9"
    & skf18("7","8","6","2","2","1","1") = "7"
    & skf18("7","8","6","2","2","2","1") = "7"
    & skf18("7","8","6","2","2","3","1") = "7"
    & skf18("7","8","6","2","2","4","1") = "7"
    & skf18("7","8","6","2","2","5","1") = "7"
    & skf18("7","8","6","2","2","6","1") = "7"
    & skf18("7","8","6","2","2","7","1") = "7"
    & skf18("7","8","6","2","2","8","1") = "7"
    & skf18("7","8","6","2","2","9","1") = "8"
    & skf18("7","8","6","2","2","10","1") = "9"
    & skf18("7","8","6","2","3","1","1") = "7"
    & skf18("7","8","6","2","3","2","1") = "7"
    & skf18("7","8","6","2","3","3","1") = "7"
    & skf18("7","8","6","2","3","4","1") = "7"
    & skf18("7","8","6","2","3","5","1") = "7"
    & skf18("7","8","6","2","3","6","1") = "7"
    & skf18("7","8","6","2","3","7","1") = "7"
    & skf18("7","8","6","2","3","8","1") = "7"
    & skf18("7","8","6","2","3","9","1") = "8"
    & skf18("7","8","6","2","3","10","1") = "9"
    & skf18("7","8","6","2","4","1","1") = "7"
    & skf18("7","8","6","2","4","2","1") = "7"
    & skf18("7","8","6","2","4","3","1") = "7"
    & skf18("7","8","6","2","4","4","1") = "7"
    & skf18("7","8","6","2","4","5","1") = "7"
    & skf18("7","8","6","2","4","6","1") = "7"
    & skf18("7","8","6","2","4","7","1") = "7"
    & skf18("7","8","6","2","4","8","1") = "7"
    & skf18("7","8","6","2","4","9","1") = "8"
    & skf18("7","8","6","2","4","10","1") = "9"
    & skf18("7","8","6","2","5","1","1") = "7"
    & skf18("7","8","6","2","5","2","1") = "7"
    & skf18("7","8","6","2","5","3","1") = "7"
    & skf18("7","8","6","2","5","4","1") = "7"
    & skf18("7","8","6","2","5","5","1") = "7"
    & skf18("7","8","6","2","5","6","1") = "7"
    & skf18("7","8","6","2","5","7","1") = "7"
    & skf18("7","8","6","2","5","8","1") = "7"
    & skf18("7","8","6","2","5","9","1") = "8"
    & skf18("7","8","6","2","5","10","1") = "9"
    & skf18("7","8","6","2","6","1","1") = "7"
    & skf18("7","8","6","2","6","2","1") = "7"
    & skf18("7","8","6","2","6","3","1") = "7"
    & skf18("7","8","6","2","6","4","1") = "7"
    & skf18("7","8","6","2","6","5","1") = "7"
    & skf18("7","8","6","2","6","6","1") = "7"
    & skf18("7","8","6","2","6","7","1") = "7"
    & skf18("7","8","6","2","6","8","1") = "7"
    & skf18("7","8","6","2","6","9","1") = "8"
    & skf18("7","8","6","2","6","10","1") = "9"
    & skf18("7","8","6","2","7","1","1") = "7"
    & skf18("7","8","6","2","7","2","1") = "7"
    & skf18("7","8","6","2","7","3","1") = "7"
    & skf18("7","8","6","2","7","4","1") = "7"
    & skf18("7","8","6","2","7","5","1") = "7"
    & skf18("7","8","6","2","7","6","1") = "7"
    & skf18("7","8","6","2","7","7","1") = "7"
    & skf18("7","8","6","2","7","8","1") = "7"
    & skf18("7","8","6","2","7","9","1") = "8"
    & skf18("7","8","6","2","7","10","1") = "9"
    & skf18("7","8","6","2","8","1","1") = "7"
    & skf18("7","8","6","2","8","2","1") = "7"
    & skf18("7","8","6","2","8","3","1") = "7"
    & skf18("7","8","6","2","8","4","1") = "7"
    & skf18("7","8","6","2","8","5","1") = "7"
    & skf18("7","8","6","2","8","6","1") = "7"
    & skf18("7","8","6","2","8","7","1") = "7"
    & skf18("7","8","6","2","8","8","1") = "7"
    & skf18("7","8","6","2","8","9","1") = "8"
    & skf18("7","8","6","2","8","10","1") = "9"
    & skf18("7","8","6","2","9","1","1") = "8"
    & skf18("7","8","6","2","9","2","1") = "8"
    & skf18("7","8","6","2","9","3","1") = "8"
    & skf18("7","8","6","2","9","4","1") = "8"
    & skf18("7","8","6","2","9","5","1") = "8"
    & skf18("7","8","6","2","9","6","1") = "8"
    & skf18("7","8","6","2","9","7","1") = "8"
    & skf18("7","8","6","2","9","8","1") = "8"
    & skf18("7","8","6","2","9","9","1") = "8"
    & skf18("7","8","6","2","9","10","1") = "9"
    & skf18("7","8","6","2","10","1","1") = "9"
    & skf18("7","8","6","2","10","2","1") = "9"
    & skf18("7","8","6","2","10","3","1") = "9"
    & skf18("7","8","6","2","10","4","1") = "9"
    & skf18("7","8","6","2","10","5","1") = "9"
    & skf18("7","8","6","2","10","6","1") = "9"
    & skf18("7","8","6","2","10","7","1") = "9"
    & skf18("7","8","6","2","10","8","1") = "9"
    & skf18("7","8","6","2","10","9","1") = "9"
    & skf18("7","8","6","2","10","10","1") = "9"
    & skf18("7","8","6","3","1","1","1") = "7"
    & skf18("7","8","6","3","1","2","1") = "7"
    & skf18("7","8","6","3","1","3","1") = "7"
    & skf18("7","8","6","3","1","4","1") = "7"
    & skf18("7","8","6","3","1","5","1") = "7"
    & skf18("7","8","6","3","1","6","1") = "7"
    & skf18("7","8","6","3","1","7","1") = "7"
    & skf18("7","8","6","3","1","8","1") = "7"
    & skf18("7","8","6","3","1","9","1") = "8"
    & skf18("7","8","6","3","1","10","1") = "9"
    & skf18("7","8","6","3","2","1","1") = "7"
    & skf18("7","8","6","3","2","2","1") = "7"
    & skf18("7","8","6","3","2","3","1") = "7"
    & skf18("7","8","6","3","2","4","1") = "7"
    & skf18("7","8","6","3","2","5","1") = "7"
    & skf18("7","8","6","3","2","6","1") = "7"
    & skf18("7","8","6","3","2","7","1") = "7"
    & skf18("7","8","6","3","2","8","1") = "7"
    & skf18("7","8","6","3","2","9","1") = "8"
    & skf18("7","8","6","3","2","10","1") = "9"
    & skf18("7","8","6","3","3","1","1") = "7"
    & skf18("7","8","6","3","3","2","1") = "7"
    & skf18("7","8","6","3","3","3","1") = "7"
    & skf18("7","8","6","3","3","4","1") = "7"
    & skf18("7","8","6","3","3","5","1") = "7"
    & skf18("7","8","6","3","3","6","1") = "7"
    & skf18("7","8","6","3","3","7","1") = "7"
    & skf18("7","8","6","3","3","8","1") = "7"
    & skf18("7","8","6","3","3","9","1") = "8"
    & skf18("7","8","6","3","3","10","1") = "9"
    & skf18("7","8","6","3","4","1","1") = "7"
    & skf18("7","8","6","3","4","2","1") = "7"
    & skf18("7","8","6","3","4","3","1") = "7"
    & skf18("7","8","6","3","4","4","1") = "7"
    & skf18("7","8","6","3","4","5","1") = "7"
    & skf18("7","8","6","3","4","6","1") = "7"
    & skf18("7","8","6","3","4","7","1") = "7"
    & skf18("7","8","6","3","4","8","1") = "7"
    & skf18("7","8","6","3","4","9","1") = "8"
    & skf18("7","8","6","3","4","10","1") = "9"
    & skf18("7","8","6","3","5","1","1") = "7"
    & skf18("7","8","6","3","5","2","1") = "7"
    & skf18("7","8","6","3","5","3","1") = "7"
    & skf18("7","8","6","3","5","4","1") = "7"
    & skf18("7","8","6","3","5","5","1") = "7"
    & skf18("7","8","6","3","5","6","1") = "7"
    & skf18("7","8","6","3","5","7","1") = "7"
    & skf18("7","8","6","3","5","8","1") = "7"
    & skf18("7","8","6","3","5","9","1") = "8"
    & skf18("7","8","6","3","5","10","1") = "9"
    & skf18("7","8","6","3","6","1","1") = "7"
    & skf18("7","8","6","3","6","2","1") = "7"
    & skf18("7","8","6","3","6","3","1") = "7"
    & skf18("7","8","6","3","6","4","1") = "7"
    & skf18("7","8","6","3","6","5","1") = "7"
    & skf18("7","8","6","3","6","6","1") = "7"
    & skf18("7","8","6","3","6","7","1") = "7"
    & skf18("7","8","6","3","6","8","1") = "7"
    & skf18("7","8","6","3","6","9","1") = "8"
    & skf18("7","8","6","3","6","10","1") = "9"
    & skf18("7","8","6","3","7","1","1") = "7"
    & skf18("7","8","6","3","7","2","1") = "7"
    & skf18("7","8","6","3","7","3","1") = "7"
    & skf18("7","8","6","3","7","4","1") = "7"
    & skf18("7","8","6","3","7","5","1") = "7"
    & skf18("7","8","6","3","7","6","1") = "7"
    & skf18("7","8","6","3","7","7","1") = "7"
    & skf18("7","8","6","3","7","8","1") = "7"
    & skf18("7","8","6","3","7","9","1") = "8"
    & skf18("7","8","6","3","7","10","1") = "9"
    & skf18("7","8","6","3","8","1","1") = "7"
    & skf18("7","8","6","3","8","2","1") = "7"
    & skf18("7","8","6","3","8","3","1") = "7"
    & skf18("7","8","6","3","8","4","1") = "7"
    & skf18("7","8","6","3","8","5","1") = "7"
    & skf18("7","8","6","3","8","6","1") = "7"
    & skf18("7","8","6","3","8","7","1") = "7"
    & skf18("7","8","6","3","8","8","1") = "7"
    & skf18("7","8","6","3","8","9","1") = "8"
    & skf18("7","8","6","3","8","10","1") = "9"
    & skf18("7","8","6","3","9","1","1") = "8"
    & skf18("7","8","6","3","9","2","1") = "8"
    & skf18("7","8","6","3","9","3","1") = "8"
    & skf18("7","8","6","3","9","4","1") = "8"
    & skf18("7","8","6","3","9","5","1") = "8"
    & skf18("7","8","6","3","9","6","1") = "8"
    & skf18("7","8","6","3","9","7","1") = "8"
    & skf18("7","8","6","3","9","8","1") = "8"
    & skf18("7","8","6","3","9","9","1") = "8"
    & skf18("7","8","6","3","9","10","1") = "9"
    & skf18("7","8","6","3","10","1","1") = "9"
    & skf18("7","8","6","3","10","2","1") = "9"
    & skf18("7","8","6","3","10","3","1") = "9"
    & skf18("7","8","6","3","10","4","1") = "9"
    & skf18("7","8","6","3","10","5","1") = "9"
    & skf18("7","8","6","3","10","6","1") = "9"
    & skf18("7","8","6","3","10","7","1") = "9"
    & skf18("7","8","6","3","10","8","1") = "9"
    & skf18("7","8","6","3","10","9","1") = "9"
    & skf18("7","8","6","3","10","10","1") = "9"
    & skf18("7","8","6","4","1","1","1") = "7"
    & skf18("7","8","6","4","1","2","1") = "7"
    & skf18("7","8","6","4","1","3","1") = "7"
    & skf18("7","8","6","4","1","4","1") = "7"
    & skf18("7","8","6","4","1","5","1") = "7"
    & skf18("7","8","6","4","1","6","1") = "7"
    & skf18("7","8","6","4","1","7","1") = "7"
    & skf18("7","8","6","4","1","8","1") = "7"
    & skf18("7","8","6","4","1","9","1") = "8"
    & skf18("7","8","6","4","1","10","1") = "9"
    & skf18("7","8","6","4","2","1","1") = "7"
    & skf18("7","8","6","4","2","2","1") = "7"
    & skf18("7","8","6","4","2","3","1") = "7"
    & skf18("7","8","6","4","2","4","1") = "7"
    & skf18("7","8","6","4","2","5","1") = "7"
    & skf18("7","8","6","4","2","6","1") = "7"
    & skf18("7","8","6","4","2","7","1") = "7"
    & skf18("7","8","6","4","2","8","1") = "7"
    & skf18("7","8","6","4","2","9","1") = "8"
    & skf18("7","8","6","4","2","10","1") = "9"
    & skf18("7","8","6","4","3","1","1") = "7"
    & skf18("7","8","6","4","3","2","1") = "7"
    & skf18("7","8","6","4","3","3","1") = "7"
    & skf18("7","8","6","4","3","4","1") = "7"
    & skf18("7","8","6","4","3","5","1") = "7"
    & skf18("7","8","6","4","3","6","1") = "7"
    & skf18("7","8","6","4","3","7","1") = "7"
    & skf18("7","8","6","4","3","8","1") = "7"
    & skf18("7","8","6","4","3","9","1") = "8"
    & skf18("7","8","6","4","3","10","1") = "9"
    & skf18("7","8","6","4","4","1","1") = "7"
    & skf18("7","8","6","4","4","2","1") = "7"
    & skf18("7","8","6","4","4","3","1") = "7"
    & skf18("7","8","6","4","4","4","1") = "7"
    & skf18("7","8","6","4","4","5","1") = "7"
    & skf18("7","8","6","4","4","6","1") = "7"
    & skf18("7","8","6","4","4","7","1") = "7"
    & skf18("7","8","6","4","4","8","1") = "7"
    & skf18("7","8","6","4","4","9","1") = "8"
    & skf18("7","8","6","4","4","10","1") = "9"
    & skf18("7","8","6","4","5","1","1") = "7"
    & skf18("7","8","6","4","5","2","1") = "7"
    & skf18("7","8","6","4","5","3","1") = "7"
    & skf18("7","8","6","4","5","4","1") = "7"
    & skf18("7","8","6","4","5","5","1") = "7"
    & skf18("7","8","6","4","5","6","1") = "7"
    & skf18("7","8","6","4","5","7","1") = "7"
    & skf18("7","8","6","4","5","8","1") = "7"
    & skf18("7","8","6","4","5","9","1") = "8"
    & skf18("7","8","6","4","5","10","1") = "9"
    & skf18("7","8","6","4","6","1","1") = "7"
    & skf18("7","8","6","4","6","2","1") = "7"
    & skf18("7","8","6","4","6","3","1") = "7"
    & skf18("7","8","6","4","6","4","1") = "7"
    & skf18("7","8","6","4","6","5","1") = "7"
    & skf18("7","8","6","4","6","6","1") = "7"
    & skf18("7","8","6","4","6","7","1") = "7"
    & skf18("7","8","6","4","6","8","1") = "7"
    & skf18("7","8","6","4","6","9","1") = "8"
    & skf18("7","8","6","4","6","10","1") = "9"
    & skf18("7","8","6","4","7","1","1") = "7"
    & skf18("7","8","6","4","7","2","1") = "7"
    & skf18("7","8","6","4","7","3","1") = "7"
    & skf18("7","8","6","4","7","4","1") = "7"
    & skf18("7","8","6","4","7","5","1") = "7"
    & skf18("7","8","6","4","7","6","1") = "7"
    & skf18("7","8","6","4","7","7","1") = "7"
    & skf18("7","8","6","4","7","8","1") = "7"
    & skf18("7","8","6","4","7","9","1") = "8"
    & skf18("7","8","6","4","7","10","1") = "9"
    & skf18("7","8","6","4","8","1","1") = "7"
    & skf18("7","8","6","4","8","2","1") = "7"
    & skf18("7","8","6","4","8","3","1") = "7"
    & skf18("7","8","6","4","8","4","1") = "7"
    & skf18("7","8","6","4","8","5","1") = "7"
    & skf18("7","8","6","4","8","6","1") = "7"
    & skf18("7","8","6","4","8","7","1") = "7"
    & skf18("7","8","6","4","8","8","1") = "7"
    & skf18("7","8","6","4","8","9","1") = "8"
    & skf18("7","8","6","4","8","10","1") = "9"
    & skf18("7","8","6","4","9","1","1") = "8"
    & skf18("7","8","6","4","9","2","1") = "8"
    & skf18("7","8","6","4","9","3","1") = "8"
    & skf18("7","8","6","4","9","4","1") = "8"
    & skf18("7","8","6","4","9","5","1") = "8"
    & skf18("7","8","6","4","9","6","1") = "8"
    & skf18("7","8","6","4","9","7","1") = "8"
    & skf18("7","8","6","4","9","8","1") = "8"
    & skf18("7","8","6","4","9","9","1") = "8"
    & skf18("7","8","6","4","9","10","1") = "9"
    & skf18("7","8","6","4","10","1","1") = "9"
    & skf18("7","8","6","4","10","2","1") = "9"
    & skf18("7","8","6","4","10","3","1") = "9"
    & skf18("7","8","6","4","10","4","1") = "9"
    & skf18("7","8","6","4","10","5","1") = "9"
    & skf18("7","8","6","4","10","6","1") = "9"
    & skf18("7","8","6","4","10","7","1") = "9"
    & skf18("7","8","6","4","10","8","1") = "9"
    & skf18("7","8","6","4","10","9","1") = "9"
    & skf18("7","8","6","4","10","10","1") = "9"
    & skf18("7","8","6","5","1","1","1") = "7"
    & skf18("7","8","6","5","1","2","1") = "7"
    & skf18("7","8","6","5","1","3","1") = "7"
    & skf18("7","8","6","5","1","4","1") = "7"
    & skf18("7","8","6","5","1","5","1") = "7"
    & skf18("7","8","6","5","1","6","1") = "7"
    & skf18("7","8","6","5","1","7","1") = "7"
    & skf18("7","8","6","5","1","8","1") = "7"
    & skf18("7","8","6","5","1","9","1") = "8"
    & skf18("7","8","6","5","1","10","1") = "9"
    & skf18("7","8","6","5","2","1","1") = "7"
    & skf18("7","8","6","5","2","2","1") = "7"
    & skf18("7","8","6","5","2","3","1") = "7"
    & skf18("7","8","6","5","2","4","1") = "7"
    & skf18("7","8","6","5","2","5","1") = "7"
    & skf18("7","8","6","5","2","6","1") = "7"
    & skf18("7","8","6","5","2","7","1") = "7"
    & skf18("7","8","6","5","2","8","1") = "7"
    & skf18("7","8","6","5","2","9","1") = "8"
    & skf18("7","8","6","5","2","10","1") = "9"
    & skf18("7","8","6","5","3","1","1") = "7"
    & skf18("7","8","6","5","3","2","1") = "7"
    & skf18("7","8","6","5","3","3","1") = "7"
    & skf18("7","8","6","5","3","4","1") = "7"
    & skf18("7","8","6","5","3","5","1") = "7"
    & skf18("7","8","6","5","3","6","1") = "7"
    & skf18("7","8","6","5","3","7","1") = "7"
    & skf18("7","8","6","5","3","8","1") = "7"
    & skf18("7","8","6","5","3","9","1") = "8"
    & skf18("7","8","6","5","3","10","1") = "9"
    & skf18("7","8","6","5","4","1","1") = "7"
    & skf18("7","8","6","5","4","2","1") = "7"
    & skf18("7","8","6","5","4","3","1") = "7"
    & skf18("7","8","6","5","4","4","1") = "7"
    & skf18("7","8","6","5","4","5","1") = "7"
    & skf18("7","8","6","5","4","6","1") = "7"
    & skf18("7","8","6","5","4","7","1") = "7"
    & skf18("7","8","6","5","4","8","1") = "7"
    & skf18("7","8","6","5","4","9","1") = "8"
    & skf18("7","8","6","5","4","10","1") = "9"
    & skf18("7","8","6","5","5","1","1") = "7"
    & skf18("7","8","6","5","5","2","1") = "7"
    & skf18("7","8","6","5","5","3","1") = "7"
    & skf18("7","8","6","5","5","4","1") = "7"
    & skf18("7","8","6","5","5","5","1") = "7"
    & skf18("7","8","6","5","5","6","1") = "7"
    & skf18("7","8","6","5","5","7","1") = "7"
    & skf18("7","8","6","5","5","8","1") = "7"
    & skf18("7","8","6","5","5","9","1") = "8"
    & skf18("7","8","6","5","5","10","1") = "9"
    & skf18("7","8","6","5","6","1","1") = "7"
    & skf18("7","8","6","5","6","2","1") = "7"
    & skf18("7","8","6","5","6","3","1") = "7"
    & skf18("7","8","6","5","6","4","1") = "7"
    & skf18("7","8","6","5","6","5","1") = "7"
    & skf18("7","8","6","5","6","6","1") = "7"
    & skf18("7","8","6","5","6","7","1") = "7"
    & skf18("7","8","6","5","6","8","1") = "7"
    & skf18("7","8","6","5","6","9","1") = "8"
    & skf18("7","8","6","5","6","10","1") = "9"
    & skf18("7","8","6","5","7","1","1") = "7"
    & skf18("7","8","6","5","7","2","1") = "7"
    & skf18("7","8","6","5","7","3","1") = "7"
    & skf18("7","8","6","5","7","4","1") = "7"
    & skf18("7","8","6","5","7","5","1") = "7"
    & skf18("7","8","6","5","7","6","1") = "7"
    & skf18("7","8","6","5","7","7","1") = "7"
    & skf18("7","8","6","5","7","8","1") = "7"
    & skf18("7","8","6","5","7","9","1") = "8"
    & skf18("7","8","6","5","7","10","1") = "9"
    & skf18("7","8","6","5","8","1","1") = "7"
    & skf18("7","8","6","5","8","2","1") = "7"
    & skf18("7","8","6","5","8","3","1") = "7"
    & skf18("7","8","6","5","8","4","1") = "7"
    & skf18("7","8","6","5","8","5","1") = "7"
    & skf18("7","8","6","5","8","6","1") = "7"
    & skf18("7","8","6","5","8","7","1") = "7"
    & skf18("7","8","6","5","8","8","1") = "7"
    & skf18("7","8","6","5","8","9","1") = "8"
    & skf18("7","8","6","5","8","10","1") = "9"
    & skf18("7","8","6","5","9","1","1") = "8"
    & skf18("7","8","6","5","9","2","1") = "8"
    & skf18("7","8","6","5","9","3","1") = "8"
    & skf18("7","8","6","5","9","4","1") = "8"
    & skf18("7","8","6","5","9","5","1") = "8"
    & skf18("7","8","6","5","9","6","1") = "8"
    & skf18("7","8","6","5","9","7","1") = "8"
    & skf18("7","8","6","5","9","8","1") = "8"
    & skf18("7","8","6","5","9","9","1") = "8"
    & skf18("7","8","6","5","9","10","1") = "9"
    & skf18("7","8","6","5","10","1","1") = "9"
    & skf18("7","8","6","5","10","2","1") = "9"
    & skf18("7","8","6","5","10","3","1") = "9"
    & skf18("7","8","6","5","10","4","1") = "9"
    & skf18("7","8","6","5","10","5","1") = "9"
    & skf18("7","8","6","5","10","6","1") = "9"
    & skf18("7","8","6","5","10","7","1") = "9"
    & skf18("7","8","6","5","10","8","1") = "9"
    & skf18("7","8","6","5","10","9","1") = "9"
    & skf18("7","8","6","5","10","10","1") = "9"
    & skf18("7","8","6","6","1","1","1") = "7"
    & skf18("7","8","6","6","1","2","1") = "7"
    & skf18("7","8","6","6","1","3","1") = "7"
    & skf18("7","8","6","6","1","4","1") = "7"
    & skf18("7","8","6","6","1","5","1") = "7"
    & skf18("7","8","6","6","1","6","1") = "7"
    & skf18("7","8","6","6","1","7","1") = "7"
    & skf18("7","8","6","6","1","8","1") = "7"
    & skf18("7","8","6","6","1","9","1") = "8"
    & skf18("7","8","6","6","1","10","1") = "9"
    & skf18("7","8","6","6","2","1","1") = "7"
    & skf18("7","8","6","6","2","2","1") = "7"
    & skf18("7","8","6","6","2","3","1") = "7"
    & skf18("7","8","6","6","2","4","1") = "7"
    & skf18("7","8","6","6","2","5","1") = "7"
    & skf18("7","8","6","6","2","6","1") = "7"
    & skf18("7","8","6","6","2","7","1") = "7"
    & skf18("7","8","6","6","2","8","1") = "7"
    & skf18("7","8","6","6","2","9","1") = "8"
    & skf18("7","8","6","6","2","10","1") = "9"
    & skf18("7","8","6","6","3","1","1") = "7"
    & skf18("7","8","6","6","3","2","1") = "7"
    & skf18("7","8","6","6","3","3","1") = "7"
    & skf18("7","8","6","6","3","4","1") = "7"
    & skf18("7","8","6","6","3","5","1") = "7"
    & skf18("7","8","6","6","3","6","1") = "7"
    & skf18("7","8","6","6","3","7","1") = "7"
    & skf18("7","8","6","6","3","8","1") = "7"
    & skf18("7","8","6","6","3","9","1") = "8"
    & skf18("7","8","6","6","3","10","1") = "9"
    & skf18("7","8","6","6","4","1","1") = "7"
    & skf18("7","8","6","6","4","2","1") = "7"
    & skf18("7","8","6","6","4","3","1") = "7"
    & skf18("7","8","6","6","4","4","1") = "7"
    & skf18("7","8","6","6","4","5","1") = "7"
    & skf18("7","8","6","6","4","6","1") = "7"
    & skf18("7","8","6","6","4","7","1") = "7"
    & skf18("7","8","6","6","4","8","1") = "7"
    & skf18("7","8","6","6","4","9","1") = "8"
    & skf18("7","8","6","6","4","10","1") = "9"
    & skf18("7","8","6","6","5","1","1") = "7"
    & skf18("7","8","6","6","5","2","1") = "7"
    & skf18("7","8","6","6","5","3","1") = "7"
    & skf18("7","8","6","6","5","4","1") = "7"
    & skf18("7","8","6","6","5","5","1") = "7"
    & skf18("7","8","6","6","5","6","1") = "7"
    & skf18("7","8","6","6","5","7","1") = "7"
    & skf18("7","8","6","6","5","8","1") = "7"
    & skf18("7","8","6","6","5","9","1") = "8"
    & skf18("7","8","6","6","5","10","1") = "9"
    & skf18("7","8","6","6","6","1","1") = "7"
    & skf18("7","8","6","6","6","2","1") = "7"
    & skf18("7","8","6","6","6","3","1") = "7"
    & skf18("7","8","6","6","6","4","1") = "7"
    & skf18("7","8","6","6","6","5","1") = "7"
    & skf18("7","8","6","6","6","6","1") = "7"
    & skf18("7","8","6","6","6","7","1") = "7"
    & skf18("7","8","6","6","6","8","1") = "7"
    & skf18("7","8","6","6","6","9","1") = "8"
    & skf18("7","8","6","6","6","10","1") = "9"
    & skf18("7","8","6","6","7","1","1") = "7"
    & skf18("7","8","6","6","7","2","1") = "7"
    & skf18("7","8","6","6","7","3","1") = "7"
    & skf18("7","8","6","6","7","4","1") = "7"
    & skf18("7","8","6","6","7","5","1") = "7"
    & skf18("7","8","6","6","7","6","1") = "7"
    & skf18("7","8","6","6","7","7","1") = "7"
    & skf18("7","8","6","6","7","8","1") = "7"
    & skf18("7","8","6","6","7","9","1") = "8"
    & skf18("7","8","6","6","7","10","1") = "9"
    & skf18("7","8","6","6","8","1","1") = "7"
    & skf18("7","8","6","6","8","2","1") = "7"
    & skf18("7","8","6","6","8","3","1") = "7"
    & skf18("7","8","6","6","8","4","1") = "7"
    & skf18("7","8","6","6","8","5","1") = "7"
    & skf18("7","8","6","6","8","6","1") = "7"
    & skf18("7","8","6","6","8","7","1") = "7"
    & skf18("7","8","6","6","8","8","1") = "7"
    & skf18("7","8","6","6","8","9","1") = "8"
    & skf18("7","8","6","6","8","10","1") = "9"
    & skf18("7","8","6","6","9","1","1") = "8"
    & skf18("7","8","6","6","9","2","1") = "8"
    & skf18("7","8","6","6","9","3","1") = "8"
    & skf18("7","8","6","6","9","4","1") = "8"
    & skf18("7","8","6","6","9","5","1") = "8"
    & skf18("7","8","6","6","9","6","1") = "8"
    & skf18("7","8","6","6","9","7","1") = "8"
    & skf18("7","8","6","6","9","8","1") = "8"
    & skf18("7","8","6","6","9","9","1") = "8"
    & skf18("7","8","6","6","9","10","1") = "9"
    & skf18("7","8","6","6","10","1","1") = "9"
    & skf18("7","8","6","6","10","2","1") = "9"
    & skf18("7","8","6","6","10","3","1") = "9"
    & skf18("7","8","6","6","10","4","1") = "9"
    & skf18("7","8","6","6","10","5","1") = "9"
    & skf18("7","8","6","6","10","6","1") = "9"
    & skf18("7","8","6","6","10","7","1") = "9"
    & skf18("7","8","6","6","10","8","1") = "9"
    & skf18("7","8","6","6","10","9","1") = "9"
    & skf18("7","8","6","6","10","10","1") = "9"
    & skf18("7","8","6","7","1","1","1") = "7"
    & skf18("7","8","6","7","1","2","1") = "7"
    & skf18("7","8","6","7","1","3","1") = "7"
    & skf18("7","8","6","7","1","4","1") = "7"
    & skf18("7","8","6","7","1","5","1") = "7"
    & skf18("7","8","6","7","1","6","1") = "7"
    & skf18("7","8","6","7","1","7","1") = "7"
    & skf18("7","8","6","7","1","8","1") = "7"
    & skf18("7","8","6","7","1","9","1") = "8"
    & skf18("7","8","6","7","1","10","1") = "9"
    & skf18("7","8","6","7","2","1","1") = "7"
    & skf18("7","8","6","7","2","2","1") = "7"
    & skf18("7","8","6","7","2","3","1") = "7"
    & skf18("7","8","6","7","2","4","1") = "7"
    & skf18("7","8","6","7","2","5","1") = "7"
    & skf18("7","8","6","7","2","6","1") = "7"
    & skf18("7","8","6","7","2","7","1") = "7"
    & skf18("7","8","6","7","2","8","1") = "7"
    & skf18("7","8","6","7","2","9","1") = "8"
    & skf18("7","8","6","7","2","10","1") = "9"
    & skf18("7","8","6","7","3","1","1") = "7"
    & skf18("7","8","6","7","3","2","1") = "7"
    & skf18("7","8","6","7","3","3","1") = "7"
    & skf18("7","8","6","7","3","4","1") = "7"
    & skf18("7","8","6","7","3","5","1") = "7"
    & skf18("7","8","6","7","3","6","1") = "7"
    & skf18("7","8","6","7","3","7","1") = "7"
    & skf18("7","8","6","7","3","8","1") = "7"
    & skf18("7","8","6","7","3","9","1") = "8"
    & skf18("7","8","6","7","3","10","1") = "9"
    & skf18("7","8","6","7","4","1","1") = "7"
    & skf18("7","8","6","7","4","2","1") = "7"
    & skf18("7","8","6","7","4","3","1") = "7"
    & skf18("7","8","6","7","4","4","1") = "7"
    & skf18("7","8","6","7","4","5","1") = "7"
    & skf18("7","8","6","7","4","6","1") = "7"
    & skf18("7","8","6","7","4","7","1") = "7"
    & skf18("7","8","6","7","4","8","1") = "7"
    & skf18("7","8","6","7","4","9","1") = "8"
    & skf18("7","8","6","7","4","10","1") = "9"
    & skf18("7","8","6","7","5","1","1") = "7"
    & skf18("7","8","6","7","5","2","1") = "7"
    & skf18("7","8","6","7","5","3","1") = "7"
    & skf18("7","8","6","7","5","4","1") = "7"
    & skf18("7","8","6","7","5","5","1") = "7"
    & skf18("7","8","6","7","5","6","1") = "7"
    & skf18("7","8","6","7","5","7","1") = "7"
    & skf18("7","8","6","7","5","8","1") = "7"
    & skf18("7","8","6","7","5","9","1") = "8"
    & skf18("7","8","6","7","5","10","1") = "9"
    & skf18("7","8","6","7","6","1","1") = "7"
    & skf18("7","8","6","7","6","2","1") = "7"
    & skf18("7","8","6","7","6","3","1") = "7"
    & skf18("7","8","6","7","6","4","1") = "7"
    & skf18("7","8","6","7","6","5","1") = "7"
    & skf18("7","8","6","7","6","6","1") = "7"
    & skf18("7","8","6","7","6","7","1") = "7"
    & skf18("7","8","6","7","6","8","1") = "7"
    & skf18("7","8","6","7","6","9","1") = "8"
    & skf18("7","8","6","7","6","10","1") = "9"
    & skf18("7","8","6","7","7","1","1") = "7"
    & skf18("7","8","6","7","7","2","1") = "7"
    & skf18("7","8","6","7","7","3","1") = "7"
    & skf18("7","8","6","7","7","4","1") = "7"
    & skf18("7","8","6","7","7","5","1") = "7"
    & skf18("7","8","6","7","7","6","1") = "7"
    & skf18("7","8","6","7","7","7","1") = "7"
    & skf18("7","8","6","7","7","8","1") = "7"
    & skf18("7","8","6","7","7","9","1") = "8"
    & skf18("7","8","6","7","7","10","1") = "9"
    & skf18("7","8","6","7","8","1","1") = "7"
    & skf18("7","8","6","7","8","2","1") = "7"
    & skf18("7","8","6","7","8","3","1") = "7"
    & skf18("7","8","6","7","8","4","1") = "7"
    & skf18("7","8","6","7","8","5","1") = "7"
    & skf18("7","8","6","7","8","6","1") = "7"
    & skf18("7","8","6","7","8","7","1") = "7"
    & skf18("7","8","6","7","8","8","1") = "7"
    & skf18("7","8","6","7","8","9","1") = "8"
    & skf18("7","8","6","7","8","10","1") = "9"
    & skf18("7","8","6","7","9","1","1") = "8"
    & skf18("7","8","6","7","9","2","1") = "8"
    & skf18("7","8","6","7","9","3","1") = "8"
    & skf18("7","8","6","7","9","4","1") = "8"
    & skf18("7","8","6","7","9","5","1") = "8"
    & skf18("7","8","6","7","9","6","1") = "8"
    & skf18("7","8","6","7","9","7","1") = "8"
    & skf18("7","8","6","7","9","8","1") = "8"
    & skf18("7","8","6","7","9","9","1") = "8"
    & skf18("7","8","6","7","9","10","1") = "9"
    & skf18("7","8","6","7","10","1","1") = "9"
    & skf18("7","8","6","7","10","2","1") = "9"
    & skf18("7","8","6","7","10","3","1") = "9"
    & skf18("7","8","6","7","10","4","1") = "9"
    & skf18("7","8","6","7","10","5","1") = "9"
    & skf18("7","8","6","7","10","6","1") = "9"
    & skf18("7","8","6","7","10","7","1") = "9"
    & skf18("7","8","6","7","10","8","1") = "9"
    & skf18("7","8","6","7","10","9","1") = "9"
    & skf18("7","8","6","7","10","10","1") = "9"
    & skf18("7","8","6","8","1","1","1") = "7"
    & skf18("7","8","6","8","1","2","1") = "7"
    & skf18("7","8","6","8","1","3","1") = "7"
    & skf18("7","8","6","8","1","4","1") = "7"
    & skf18("7","8","6","8","1","5","1") = "7"
    & skf18("7","8","6","8","1","6","1") = "7"
    & skf18("7","8","6","8","1","7","1") = "7"
    & skf18("7","8","6","8","1","8","1") = "7"
    & skf18("7","8","6","8","1","9","1") = "8"
    & skf18("7","8","6","8","1","10","1") = "9"
    & skf18("7","8","6","8","2","1","1") = "7"
    & skf18("7","8","6","8","2","2","1") = "7"
    & skf18("7","8","6","8","2","3","1") = "7"
    & skf18("7","8","6","8","2","4","1") = "7"
    & skf18("7","8","6","8","2","5","1") = "7"
    & skf18("7","8","6","8","2","6","1") = "7"
    & skf18("7","8","6","8","2","7","1") = "7"
    & skf18("7","8","6","8","2","8","1") = "7"
    & skf18("7","8","6","8","2","9","1") = "8"
    & skf18("7","8","6","8","2","10","1") = "9"
    & skf18("7","8","6","8","3","1","1") = "7"
    & skf18("7","8","6","8","3","2","1") = "7"
    & skf18("7","8","6","8","3","3","1") = "7"
    & skf18("7","8","6","8","3","4","1") = "7"
    & skf18("7","8","6","8","3","5","1") = "7"
    & skf18("7","8","6","8","3","6","1") = "7"
    & skf18("7","8","6","8","3","7","1") = "7"
    & skf18("7","8","6","8","3","8","1") = "7"
    & skf18("7","8","6","8","3","9","1") = "8"
    & skf18("7","8","6","8","3","10","1") = "9"
    & skf18("7","8","6","8","4","1","1") = "7"
    & skf18("7","8","6","8","4","2","1") = "7"
    & skf18("7","8","6","8","4","3","1") = "7"
    & skf18("7","8","6","8","4","4","1") = "7"
    & skf18("7","8","6","8","4","5","1") = "7"
    & skf18("7","8","6","8","4","6","1") = "7"
    & skf18("7","8","6","8","4","7","1") = "7"
    & skf18("7","8","6","8","4","8","1") = "7"
    & skf18("7","8","6","8","4","9","1") = "8"
    & skf18("7","8","6","8","4","10","1") = "9"
    & skf18("7","8","6","8","5","1","1") = "7"
    & skf18("7","8","6","8","5","2","1") = "7"
    & skf18("7","8","6","8","5","3","1") = "7"
    & skf18("7","8","6","8","5","4","1") = "7"
    & skf18("7","8","6","8","5","5","1") = "7"
    & skf18("7","8","6","8","5","6","1") = "7"
    & skf18("7","8","6","8","5","7","1") = "7"
    & skf18("7","8","6","8","5","8","1") = "7"
    & skf18("7","8","6","8","5","9","1") = "8"
    & skf18("7","8","6","8","5","10","1") = "9"
    & skf18("7","8","6","8","6","1","1") = "7"
    & skf18("7","8","6","8","6","2","1") = "7"
    & skf18("7","8","6","8","6","3","1") = "7"
    & skf18("7","8","6","8","6","4","1") = "7"
    & skf18("7","8","6","8","6","5","1") = "7"
    & skf18("7","8","6","8","6","6","1") = "7"
    & skf18("7","8","6","8","6","7","1") = "7"
    & skf18("7","8","6","8","6","8","1") = "7"
    & skf18("7","8","6","8","6","9","1") = "8"
    & skf18("7","8","6","8","6","10","1") = "9"
    & skf18("7","8","6","8","7","1","1") = "7"
    & skf18("7","8","6","8","7","2","1") = "7"
    & skf18("7","8","6","8","7","3","1") = "7"
    & skf18("7","8","6","8","7","4","1") = "7"
    & skf18("7","8","6","8","7","5","1") = "7"
    & skf18("7","8","6","8","7","6","1") = "7"
    & skf18("7","8","6","8","7","7","1") = "7"
    & skf18("7","8","6","8","7","8","1") = "7"
    & skf18("7","8","6","8","7","9","1") = "8"
    & skf18("7","8","6","8","7","10","1") = "9"
    & skf18("7","8","6","8","8","1","1") = "7"
    & skf18("7","8","6","8","8","2","1") = "7"
    & skf18("7","8","6","8","8","3","1") = "7"
    & skf18("7","8","6","8","8","4","1") = "7"
    & skf18("7","8","6","8","8","5","1") = "7"
    & skf18("7","8","6","8","8","6","1") = "7"
    & skf18("7","8","6","8","8","7","1") = "7"
    & skf18("7","8","6","8","8","8","1") = "7"
    & skf18("7","8","6","8","8","9","1") = "8"
    & skf18("7","8","6","8","8","10","1") = "9"
    & skf18("7","8","6","8","9","1","1") = "8"
    & skf18("7","8","6","8","9","2","1") = "8"
    & skf18("7","8","6","8","9","3","1") = "8"
    & skf18("7","8","6","8","9","4","1") = "8"
    & skf18("7","8","6","8","9","5","1") = "8"
    & skf18("7","8","6","8","9","6","1") = "8"
    & skf18("7","8","6","8","9","7","1") = "8"
    & skf18("7","8","6","8","9","8","1") = "8"
    & skf18("7","8","6","8","9","9","1") = "8"
    & skf18("7","8","6","8","9","10","1") = "9"
    & skf18("7","8","6","8","10","1","1") = "9"
    & skf18("7","8","6","8","10","2","1") = "9"
    & skf18("7","8","6","8","10","3","1") = "9"
    & skf18("7","8","6","8","10","4","1") = "9"
    & skf18("7","8","6","8","10","5","1") = "9"
    & skf18("7","8","6","8","10","6","1") = "9"
    & skf18("7","8","6","8","10","7","1") = "9"
    & skf18("7","8","6","8","10","8","1") = "9"
    & skf18("7","8","6","8","10","9","1") = "9"
    & skf18("7","8","6","8","10","10","1") = "9"
    & skf18("7","8","6","9","1","1","1") = "8"
    & skf18("7","8","6","9","1","2","1") = "8"
    & skf18("7","8","6","9","1","3","1") = "8"
    & skf18("7","8","6","9","1","4","1") = "8"
    & skf18("7","8","6","9","1","5","1") = "8"
    & skf18("7","8","6","9","1","6","1") = "8"
    & skf18("7","8","6","9","1","7","1") = "8"
    & skf18("7","8","6","9","1","8","1") = "8"
    & skf18("7","8","6","9","1","9","1") = "8"
    & skf18("7","8","6","9","1","10","1") = "9"
    & skf18("7","8","6","9","2","1","1") = "8"
    & skf18("7","8","6","9","2","2","1") = "8"
    & skf18("7","8","6","9","2","3","1") = "8"
    & skf18("7","8","6","9","2","4","1") = "8"
    & skf18("7","8","6","9","2","5","1") = "8"
    & skf18("7","8","6","9","2","6","1") = "8"
    & skf18("7","8","6","9","2","7","1") = "8"
    & skf18("7","8","6","9","2","8","1") = "8"
    & skf18("7","8","6","9","2","9","1") = "8"
    & skf18("7","8","6","9","2","10","1") = "9"
    & skf18("7","8","6","9","3","1","1") = "8"
    & skf18("7","8","6","9","3","2","1") = "8"
    & skf18("7","8","6","9","3","3","1") = "8"
    & skf18("7","8","6","9","3","4","1") = "8"
    & skf18("7","8","6","9","3","5","1") = "8"
    & skf18("7","8","6","9","3","6","1") = "8"
    & skf18("7","8","6","9","3","7","1") = "8"
    & skf18("7","8","6","9","3","8","1") = "8"
    & skf18("7","8","6","9","3","9","1") = "8"
    & skf18("7","8","6","9","3","10","1") = "9"
    & skf18("7","8","6","9","4","1","1") = "8"
    & skf18("7","8","6","9","4","2","1") = "8"
    & skf18("7","8","6","9","4","3","1") = "8"
    & skf18("7","8","6","9","4","4","1") = "8"
    & skf18("7","8","6","9","4","5","1") = "8"
    & skf18("7","8","6","9","4","6","1") = "8"
    & skf18("7","8","6","9","4","7","1") = "8"
    & skf18("7","8","6","9","4","8","1") = "8"
    & skf18("7","8","6","9","4","9","1") = "8"
    & skf18("7","8","6","9","4","10","1") = "9"
    & skf18("7","8","6","9","5","1","1") = "8"
    & skf18("7","8","6","9","5","2","1") = "8"
    & skf18("7","8","6","9","5","3","1") = "8"
    & skf18("7","8","6","9","5","4","1") = "8"
    & skf18("7","8","6","9","5","5","1") = "8"
    & skf18("7","8","6","9","5","6","1") = "8"
    & skf18("7","8","6","9","5","7","1") = "8"
    & skf18("7","8","6","9","5","8","1") = "8"
    & skf18("7","8","6","9","5","9","1") = "8"
    & skf18("7","8","6","9","5","10","1") = "9"
    & skf18("7","8","6","9","6","1","1") = "8"
    & skf18("7","8","6","9","6","2","1") = "8"
    & skf18("7","8","6","9","6","3","1") = "8"
    & skf18("7","8","6","9","6","4","1") = "8"
    & skf18("7","8","6","9","6","5","1") = "8"
    & skf18("7","8","6","9","6","6","1") = "8"
    & skf18("7","8","6","9","6","7","1") = "8"
    & skf18("7","8","6","9","6","8","1") = "8"
    & skf18("7","8","6","9","6","9","1") = "8"
    & skf18("7","8","6","9","6","10","1") = "9"
    & skf18("7","8","6","9","7","1","1") = "8"
    & skf18("7","8","6","9","7","2","1") = "8"
    & skf18("7","8","6","9","7","3","1") = "8"
    & skf18("7","8","6","9","7","4","1") = "8"
    & skf18("7","8","6","9","7","5","1") = "8"
    & skf18("7","8","6","9","7","6","1") = "8"
    & skf18("7","8","6","9","7","7","1") = "8"
    & skf18("7","8","6","9","7","8","1") = "8"
    & skf18("7","8","6","9","7","9","1") = "8"
    & skf18("7","8","6","9","7","10","1") = "9"
    & skf18("7","8","6","9","8","1","1") = "8"
    & skf18("7","8","6","9","8","2","1") = "8"
    & skf18("7","8","6","9","8","3","1") = "8"
    & skf18("7","8","6","9","8","4","1") = "8"
    & skf18("7","8","6","9","8","5","1") = "8"
    & skf18("7","8","6","9","8","6","1") = "8"
    & skf18("7","8","6","9","8","7","1") = "8"
    & skf18("7","8","6","9","8","8","1") = "8"
    & skf18("7","8","6","9","8","9","1") = "8"
    & skf18("7","8","6","9","8","10","1") = "9"
    & skf18("7","8","6","9","9","1","1") = "8"
    & skf18("7","8","6","9","9","2","1") = "8"
    & skf18("7","8","6","9","9","3","1") = "8"
    & skf18("7","8","6","9","9","4","1") = "8"
    & skf18("7","8","6","9","9","5","1") = "8"
    & skf18("7","8","6","9","9","6","1") = "8"
    & skf18("7","8","6","9","9","7","1") = "8"
    & skf18("7","8","6","9","9","8","1") = "8"
    & skf18("7","8","6","9","9","9","1") = "8"
    & skf18("7","8","6","9","9","10","1") = "9"
    & skf18("7","8","6","9","10","1","1") = "9"
    & skf18("7","8","6","9","10","2","1") = "9"
    & skf18("7","8","6","9","10","3","1") = "9"
    & skf18("7","8","6","9","10","4","1") = "9"
    & skf18("7","8","6","9","10","5","1") = "9"
    & skf18("7","8","6","9","10","6","1") = "9"
    & skf18("7","8","6","9","10","7","1") = "9"
    & skf18("7","8","6","9","10","8","1") = "9"
    & skf18("7","8","6","9","10","9","1") = "9"
    & skf18("7","8","6","9","10","10","1") = "9"
    & skf18("7","8","6","10","1","1","1") = "9"
    & skf18("7","8","6","10","1","2","1") = "9"
    & skf18("7","8","6","10","1","3","1") = "9"
    & skf18("7","8","6","10","1","4","1") = "9"
    & skf18("7","8","6","10","1","5","1") = "9"
    & skf18("7","8","6","10","1","6","1") = "9"
    & skf18("7","8","6","10","1","7","1") = "9"
    & skf18("7","8","6","10","1","8","1") = "9"
    & skf18("7","8","6","10","1","9","1") = "9"
    & skf18("7","8","6","10","1","10","1") = "9"
    & skf18("7","8","6","10","2","1","1") = "9"
    & skf18("7","8","6","10","2","2","1") = "9"
    & skf18("7","8","6","10","2","3","1") = "9"
    & skf18("7","8","6","10","2","4","1") = "9"
    & skf18("7","8","6","10","2","5","1") = "9"
    & skf18("7","8","6","10","2","6","1") = "9"
    & skf18("7","8","6","10","2","7","1") = "9"
    & skf18("7","8","6","10","2","8","1") = "9"
    & skf18("7","8","6","10","2","9","1") = "9"
    & skf18("7","8","6","10","2","10","1") = "9"
    & skf18("7","8","6","10","3","1","1") = "9"
    & skf18("7","8","6","10","3","2","1") = "9"
    & skf18("7","8","6","10","3","3","1") = "9"
    & skf18("7","8","6","10","3","4","1") = "9"
    & skf18("7","8","6","10","3","5","1") = "9"
    & skf18("7","8","6","10","3","6","1") = "9"
    & skf18("7","8","6","10","3","7","1") = "9"
    & skf18("7","8","6","10","3","8","1") = "9"
    & skf18("7","8","6","10","3","9","1") = "9"
    & skf18("7","8","6","10","3","10","1") = "9"
    & skf18("7","8","6","10","4","1","1") = "9"
    & skf18("7","8","6","10","4","2","1") = "9"
    & skf18("7","8","6","10","4","3","1") = "9"
    & skf18("7","8","6","10","4","4","1") = "9"
    & skf18("7","8","6","10","4","5","1") = "9"
    & skf18("7","8","6","10","4","6","1") = "9"
    & skf18("7","8","6","10","4","7","1") = "9"
    & skf18("7","8","6","10","4","8","1") = "9"
    & skf18("7","8","6","10","4","9","1") = "9"
    & skf18("7","8","6","10","4","10","1") = "9"
    & skf18("7","8","6","10","5","1","1") = "9"
    & skf18("7","8","6","10","5","2","1") = "9"
    & skf18("7","8","6","10","5","3","1") = "9"
    & skf18("7","8","6","10","5","4","1") = "9"
    & skf18("7","8","6","10","5","5","1") = "9"
    & skf18("7","8","6","10","5","6","1") = "9"
    & skf18("7","8","6","10","5","7","1") = "9"
    & skf18("7","8","6","10","5","8","1") = "9"
    & skf18("7","8","6","10","5","9","1") = "9"
    & skf18("7","8","6","10","5","10","1") = "9"
    & skf18("7","8","6","10","6","1","1") = "9"
    & skf18("7","8","6","10","6","2","1") = "9"
    & skf18("7","8","6","10","6","3","1") = "9"
    & skf18("7","8","6","10","6","4","1") = "9"
    & skf18("7","8","6","10","6","5","1") = "9"
    & skf18("7","8","6","10","6","6","1") = "9"
    & skf18("7","8","6","10","6","7","1") = "9"
    & skf18("7","8","6","10","6","8","1") = "9"
    & skf18("7","8","6","10","6","9","1") = "9"
    & skf18("7","8","6","10","6","10","1") = "9"
    & skf18("7","8","6","10","7","1","1") = "9"
    & skf18("7","8","6","10","7","2","1") = "9"
    & skf18("7","8","6","10","7","3","1") = "9"
    & skf18("7","8","6","10","7","4","1") = "9"
    & skf18("7","8","6","10","7","5","1") = "9"
    & skf18("7","8","6","10","7","6","1") = "9"
    & skf18("7","8","6","10","7","7","1") = "9"
    & skf18("7","8","6","10","7","8","1") = "9"
    & skf18("7","8","6","10","7","9","1") = "9"
    & skf18("7","8","6","10","7","10","1") = "9"
    & skf18("7","8","6","10","8","1","1") = "9"
    & skf18("7","8","6","10","8","2","1") = "9"
    & skf18("7","8","6","10","8","3","1") = "9"
    & skf18("7","8","6","10","8","4","1") = "9"
    & skf18("7","8","6","10","8","5","1") = "9"
    & skf18("7","8","6","10","8","6","1") = "9"
    & skf18("7","8","6","10","8","7","1") = "9"
    & skf18("7","8","6","10","8","8","1") = "9"
    & skf18("7","8","6","10","8","9","1") = "9"
    & skf18("7","8","6","10","8","10","1") = "9"
    & skf18("7","8","6","10","9","1","1") = "9"
    & skf18("7","8","6","10","9","2","1") = "9"
    & skf18("7","8","6","10","9","3","1") = "9"
    & skf18("7","8","6","10","9","4","1") = "9"
    & skf18("7","8","6","10","9","5","1") = "9"
    & skf18("7","8","6","10","9","6","1") = "9"
    & skf18("7","8","6","10","9","7","1") = "9"
    & skf18("7","8","6","10","9","8","1") = "9"
    & skf18("7","8","6","10","9","9","1") = "9"
    & skf18("7","8","6","10","9","10","1") = "9"
    & skf18("7","8","6","10","10","1","1") = "9"
    & skf18("7","8","6","10","10","2","1") = "9"
    & skf18("7","8","6","10","10","3","1") = "9"
    & skf18("7","8","6","10","10","4","1") = "9"
    & skf18("7","8","6","10","10","5","1") = "9"
    & skf18("7","8","6","10","10","6","1") = "9"
    & skf18("7","8","6","10","10","7","1") = "9"
    & skf18("7","8","6","10","10","8","1") = "9"
    & skf18("7","8","6","10","10","9","1") = "9"
    & skf18("7","8","6","10","10","10","1") = "9"
    & skf18("7","8","7","1","1","1","1") = "7"
    & skf18("7","8","7","1","1","2","1") = "7"
    & skf18("7","8","7","1","1","3","1") = "7"
    & skf18("7","8","7","1","1","4","1") = "7"
    & skf18("7","8","7","1","1","5","1") = "7"
    & skf18("7","8","7","1","1","6","1") = "7"
    & skf18("7","8","7","1","1","7","1") = "7"
    & skf18("7","8","7","1","1","8","1") = "7"
    & skf18("7","8","7","1","1","9","1") = "8"
    & skf18("7","8","7","1","1","10","1") = "9"
    & skf18("7","8","7","1","2","1","1") = "7"
    & skf18("7","8","7","1","2","2","1") = "7"
    & skf18("7","8","7","1","2","3","1") = "7"
    & skf18("7","8","7","1","2","4","1") = "7"
    & skf18("7","8","7","1","2","5","1") = "7"
    & skf18("7","8","7","1","2","6","1") = "7"
    & skf18("7","8","7","1","2","7","1") = "7"
    & skf18("7","8","7","1","2","8","1") = "7"
    & skf18("7","8","7","1","2","9","1") = "8"
    & skf18("7","8","7","1","2","10","1") = "9"
    & skf18("7","8","7","1","3","1","1") = "7"
    & skf18("7","8","7","1","3","2","1") = "7"
    & skf18("7","8","7","1","3","3","1") = "7"
    & skf18("7","8","7","1","3","4","1") = "7"
    & skf18("7","8","7","1","3","5","1") = "7"
    & skf18("7","8","7","1","3","6","1") = "7"
    & skf18("7","8","7","1","3","7","1") = "7"
    & skf18("7","8","7","1","3","8","1") = "7"
    & skf18("7","8","7","1","3","9","1") = "8"
    & skf18("7","8","7","1","3","10","1") = "9"
    & skf18("7","8","7","1","4","1","1") = "7"
    & skf18("7","8","7","1","4","2","1") = "7"
    & skf18("7","8","7","1","4","3","1") = "7"
    & skf18("7","8","7","1","4","4","1") = "7"
    & skf18("7","8","7","1","4","5","1") = "7"
    & skf18("7","8","7","1","4","6","1") = "7"
    & skf18("7","8","7","1","4","7","1") = "7"
    & skf18("7","8","7","1","4","8","1") = "7"
    & skf18("7","8","7","1","4","9","1") = "8"
    & skf18("7","8","7","1","4","10","1") = "9"
    & skf18("7","8","7","1","5","1","1") = "7"
    & skf18("7","8","7","1","5","2","1") = "7"
    & skf18("7","8","7","1","5","3","1") = "7"
    & skf18("7","8","7","1","5","4","1") = "7"
    & skf18("7","8","7","1","5","5","1") = "7"
    & skf18("7","8","7","1","5","6","1") = "7"
    & skf18("7","8","7","1","5","7","1") = "7"
    & skf18("7","8","7","1","5","8","1") = "7"
    & skf18("7","8","7","1","5","9","1") = "8"
    & skf18("7","8","7","1","5","10","1") = "9"
    & skf18("7","8","7","1","6","1","1") = "7"
    & skf18("7","8","7","1","6","2","1") = "7"
    & skf18("7","8","7","1","6","3","1") = "7"
    & skf18("7","8","7","1","6","4","1") = "7"
    & skf18("7","8","7","1","6","5","1") = "7"
    & skf18("7","8","7","1","6","6","1") = "7"
    & skf18("7","8","7","1","6","7","1") = "7"
    & skf18("7","8","7","1","6","8","1") = "7"
    & skf18("7","8","7","1","6","9","1") = "8"
    & skf18("7","8","7","1","6","10","1") = "9"
    & skf18("7","8","7","1","7","1","1") = "7"
    & skf18("7","8","7","1","7","2","1") = "7"
    & skf18("7","8","7","1","7","3","1") = "7"
    & skf18("7","8","7","1","7","4","1") = "7"
    & skf18("7","8","7","1","7","5","1") = "7"
    & skf18("7","8","7","1","7","6","1") = "7"
    & skf18("7","8","7","1","7","7","1") = "7"
    & skf18("7","8","7","1","7","8","1") = "7"
    & skf18("7","8","7","1","7","9","1") = "8"
    & skf18("7","8","7","1","7","10","1") = "9"
    & skf18("7","8","7","1","8","1","1") = "7"
    & skf18("7","8","7","1","8","2","1") = "7"
    & skf18("7","8","7","1","8","3","1") = "7"
    & skf18("7","8","7","1","8","4","1") = "7"
    & skf18("7","8","7","1","8","5","1") = "7"
    & skf18("7","8","7","1","8","6","1") = "7"
    & skf18("7","8","7","1","8","7","1") = "7"
    & skf18("7","8","7","1","8","8","1") = "7"
    & skf18("7","8","7","1","8","9","1") = "8"
    & skf18("7","8","7","1","8","10","1") = "9"
    & skf18("7","8","7","1","9","1","1") = "8"
    & skf18("7","8","7","1","9","2","1") = "8"
    & skf18("7","8","7","1","9","3","1") = "8"
    & skf18("7","8","7","1","9","4","1") = "8"
    & skf18("7","8","7","1","9","5","1") = "8"
    & skf18("7","8","7","1","9","6","1") = "8"
    & skf18("7","8","7","1","9","7","1") = "8"
    & skf18("7","8","7","1","9","8","1") = "8"
    & skf18("7","8","7","1","9","9","1") = "8"
    & skf18("7","8","7","1","9","10","1") = "9"
    & skf18("7","8","7","1","10","1","1") = "9"
    & skf18("7","8","7","1","10","2","1") = "9"
    & skf18("7","8","7","1","10","3","1") = "9"
    & skf18("7","8","7","1","10","4","1") = "9"
    & skf18("7","8","7","1","10","5","1") = "9"
    & skf18("7","8","7","1","10","6","1") = "9"
    & skf18("7","8","7","1","10","7","1") = "9"
    & skf18("7","8","7","1","10","8","1") = "9"
    & skf18("7","8","7","1","10","9","1") = "9"
    & skf18("7","8","7","1","10","10","1") = "9"
    & skf18("7","8","7","2","1","1","1") = "7"
    & skf18("7","8","7","2","1","2","1") = "7"
    & skf18("7","8","7","2","1","3","1") = "7"
    & skf18("7","8","7","2","1","4","1") = "7"
    & skf18("7","8","7","2","1","5","1") = "7"
    & skf18("7","8","7","2","1","6","1") = "7"
    & skf18("7","8","7","2","1","7","1") = "7"
    & skf18("7","8","7","2","1","8","1") = "7"
    & skf18("7","8","7","2","1","9","1") = "8"
    & skf18("7","8","7","2","1","10","1") = "9"
    & skf18("7","8","7","2","2","1","1") = "7"
    & skf18("7","8","7","2","2","2","1") = "7"
    & skf18("7","8","7","2","2","3","1") = "7"
    & skf18("7","8","7","2","2","4","1") = "7"
    & skf18("7","8","7","2","2","5","1") = "7"
    & skf18("7","8","7","2","2","6","1") = "7"
    & skf18("7","8","7","2","2","7","1") = "7"
    & skf18("7","8","7","2","2","8","1") = "7"
    & skf18("7","8","7","2","2","9","1") = "8"
    & skf18("7","8","7","2","2","10","1") = "9"
    & skf18("7","8","7","2","3","1","1") = "7"
    & skf18("7","8","7","2","3","2","1") = "7"
    & skf18("7","8","7","2","3","3","1") = "7"
    & skf18("7","8","7","2","3","4","1") = "7"
    & skf18("7","8","7","2","3","5","1") = "7"
    & skf18("7","8","7","2","3","6","1") = "7"
    & skf18("7","8","7","2","3","7","1") = "7"
    & skf18("7","8","7","2","3","8","1") = "7"
    & skf18("7","8","7","2","3","9","1") = "8"
    & skf18("7","8","7","2","3","10","1") = "9"
    & skf18("7","8","7","2","4","1","1") = "7"
    & skf18("7","8","7","2","4","2","1") = "7"
    & skf18("7","8","7","2","4","3","1") = "7"
    & skf18("7","8","7","2","4","4","1") = "7"
    & skf18("7","8","7","2","4","5","1") = "7"
    & skf18("7","8","7","2","4","6","1") = "7"
    & skf18("7","8","7","2","4","7","1") = "7"
    & skf18("7","8","7","2","4","8","1") = "7"
    & skf18("7","8","7","2","4","9","1") = "8"
    & skf18("7","8","7","2","4","10","1") = "9"
    & skf18("7","8","7","2","5","1","1") = "7"
    & skf18("7","8","7","2","5","2","1") = "7"
    & skf18("7","8","7","2","5","3","1") = "7"
    & skf18("7","8","7","2","5","4","1") = "7"
    & skf18("7","8","7","2","5","5","1") = "7"
    & skf18("7","8","7","2","5","6","1") = "7"
    & skf18("7","8","7","2","5","7","1") = "7"
    & skf18("7","8","7","2","5","8","1") = "7"
    & skf18("7","8","7","2","5","9","1") = "8"
    & skf18("7","8","7","2","5","10","1") = "9"
    & skf18("7","8","7","2","6","1","1") = "7"
    & skf18("7","8","7","2","6","2","1") = "7"
    & skf18("7","8","7","2","6","3","1") = "7"
    & skf18("7","8","7","2","6","4","1") = "7"
    & skf18("7","8","7","2","6","5","1") = "7"
    & skf18("7","8","7","2","6","6","1") = "7"
    & skf18("7","8","7","2","6","7","1") = "7"
    & skf18("7","8","7","2","6","8","1") = "7"
    & skf18("7","8","7","2","6","9","1") = "8"
    & skf18("7","8","7","2","6","10","1") = "9"
    & skf18("7","8","7","2","7","1","1") = "7"
    & skf18("7","8","7","2","7","2","1") = "7"
    & skf18("7","8","7","2","7","3","1") = "7"
    & skf18("7","8","7","2","7","4","1") = "7"
    & skf18("7","8","7","2","7","5","1") = "7"
    & skf18("7","8","7","2","7","6","1") = "7"
    & skf18("7","8","7","2","7","7","1") = "7"
    & skf18("7","8","7","2","7","8","1") = "7"
    & skf18("7","8","7","2","7","9","1") = "8"
    & skf18("7","8","7","2","7","10","1") = "9"
    & skf18("7","8","7","2","8","1","1") = "7"
    & skf18("7","8","7","2","8","2","1") = "7"
    & skf18("7","8","7","2","8","3","1") = "7"
    & skf18("7","8","7","2","8","4","1") = "7"
    & skf18("7","8","7","2","8","5","1") = "7"
    & skf18("7","8","7","2","8","6","1") = "7"
    & skf18("7","8","7","2","8","7","1") = "7"
    & skf18("7","8","7","2","8","8","1") = "7"
    & skf18("7","8","7","2","8","9","1") = "8"
    & skf18("7","8","7","2","8","10","1") = "9"
    & skf18("7","8","7","2","9","1","1") = "8"
    & skf18("7","8","7","2","9","2","1") = "8"
    & skf18("7","8","7","2","9","3","1") = "8"
    & skf18("7","8","7","2","9","4","1") = "8"
    & skf18("7","8","7","2","9","5","1") = "8"
    & skf18("7","8","7","2","9","6","1") = "8"
    & skf18("7","8","7","2","9","7","1") = "8"
    & skf18("7","8","7","2","9","8","1") = "8"
    & skf18("7","8","7","2","9","9","1") = "8"
    & skf18("7","8","7","2","9","10","1") = "9"
    & skf18("7","8","7","2","10","1","1") = "9"
    & skf18("7","8","7","2","10","2","1") = "9"
    & skf18("7","8","7","2","10","3","1") = "9"
    & skf18("7","8","7","2","10","4","1") = "9"
    & skf18("7","8","7","2","10","5","1") = "9"
    & skf18("7","8","7","2","10","6","1") = "9"
    & skf18("7","8","7","2","10","7","1") = "9"
    & skf18("7","8","7","2","10","8","1") = "9"
    & skf18("7","8","7","2","10","9","1") = "9"
    & skf18("7","8","7","2","10","10","1") = "9"
    & skf18("7","8","7","3","1","1","1") = "7"
    & skf18("7","8","7","3","1","2","1") = "7"
    & skf18("7","8","7","3","1","3","1") = "7"
    & skf18("7","8","7","3","1","4","1") = "7"
    & skf18("7","8","7","3","1","5","1") = "7"
    & skf18("7","8","7","3","1","6","1") = "7"
    & skf18("7","8","7","3","1","7","1") = "7"
    & skf18("7","8","7","3","1","8","1") = "7"
    & skf18("7","8","7","3","1","9","1") = "8"
    & skf18("7","8","7","3","1","10","1") = "9"
    & skf18("7","8","7","3","2","1","1") = "7"
    & skf18("7","8","7","3","2","2","1") = "7"
    & skf18("7","8","7","3","2","3","1") = "7"
    & skf18("7","8","7","3","2","4","1") = "7"
    & skf18("7","8","7","3","2","5","1") = "7"
    & skf18("7","8","7","3","2","6","1") = "7"
    & skf18("7","8","7","3","2","7","1") = "7"
    & skf18("7","8","7","3","2","8","1") = "7"
    & skf18("7","8","7","3","2","9","1") = "8"
    & skf18("7","8","7","3","2","10","1") = "9"
    & skf18("7","8","7","3","3","1","1") = "7"
    & skf18("7","8","7","3","3","2","1") = "7"
    & skf18("7","8","7","3","3","3","1") = "7"
    & skf18("7","8","7","3","3","4","1") = "7"
    & skf18("7","8","7","3","3","5","1") = "7"
    & skf18("7","8","7","3","3","6","1") = "7"
    & skf18("7","8","7","3","3","7","1") = "7"
    & skf18("7","8","7","3","3","8","1") = "7"
    & skf18("7","8","7","3","3","9","1") = "8"
    & skf18("7","8","7","3","3","10","1") = "9"
    & skf18("7","8","7","3","4","1","1") = "7"
    & skf18("7","8","7","3","4","2","1") = "7"
    & skf18("7","8","7","3","4","3","1") = "7"
    & skf18("7","8","7","3","4","4","1") = "7"
    & skf18("7","8","7","3","4","5","1") = "7"
    & skf18("7","8","7","3","4","6","1") = "7"
    & skf18("7","8","7","3","4","7","1") = "7"
    & skf18("7","8","7","3","4","8","1") = "7"
    & skf18("7","8","7","3","4","9","1") = "8"
    & skf18("7","8","7","3","4","10","1") = "9"
    & skf18("7","8","7","3","5","1","1") = "7"
    & skf18("7","8","7","3","5","2","1") = "7"
    & skf18("7","8","7","3","5","3","1") = "7"
    & skf18("7","8","7","3","5","4","1") = "7"
    & skf18("7","8","7","3","5","5","1") = "7"
    & skf18("7","8","7","3","5","6","1") = "7"
    & skf18("7","8","7","3","5","7","1") = "7"
    & skf18("7","8","7","3","5","8","1") = "7"
    & skf18("7","8","7","3","5","9","1") = "8"
    & skf18("7","8","7","3","5","10","1") = "9"
    & skf18("7","8","7","3","6","1","1") = "7"
    & skf18("7","8","7","3","6","2","1") = "7"
    & skf18("7","8","7","3","6","3","1") = "7"
    & skf18("7","8","7","3","6","4","1") = "7"
    & skf18("7","8","7","3","6","5","1") = "7"
    & skf18("7","8","7","3","6","6","1") = "7"
    & skf18("7","8","7","3","6","7","1") = "7"
    & skf18("7","8","7","3","6","8","1") = "7"
    & skf18("7","8","7","3","6","9","1") = "8"
    & skf18("7","8","7","3","6","10","1") = "9"
    & skf18("7","8","7","3","7","1","1") = "7"
    & skf18("7","8","7","3","7","2","1") = "7"
    & skf18("7","8","7","3","7","3","1") = "7"
    & skf18("7","8","7","3","7","4","1") = "7"
    & skf18("7","8","7","3","7","5","1") = "7"
    & skf18("7","8","7","3","7","6","1") = "7"
    & skf18("7","8","7","3","7","7","1") = "7"
    & skf18("7","8","7","3","7","8","1") = "7"
    & skf18("7","8","7","3","7","9","1") = "8"
    & skf18("7","8","7","3","7","10","1") = "9"
    & skf18("7","8","7","3","8","1","1") = "7"
    & skf18("7","8","7","3","8","2","1") = "7"
    & skf18("7","8","7","3","8","3","1") = "7"
    & skf18("7","8","7","3","8","4","1") = "7"
    & skf18("7","8","7","3","8","5","1") = "7"
    & skf18("7","8","7","3","8","6","1") = "7"
    & skf18("7","8","7","3","8","7","1") = "7"
    & skf18("7","8","7","3","8","8","1") = "7"
    & skf18("7","8","7","3","8","9","1") = "8"
    & skf18("7","8","7","3","8","10","1") = "9"
    & skf18("7","8","7","3","9","1","1") = "8"
    & skf18("7","8","7","3","9","2","1") = "8"
    & skf18("7","8","7","3","9","3","1") = "8"
    & skf18("7","8","7","3","9","4","1") = "8"
    & skf18("7","8","7","3","9","5","1") = "8"
    & skf18("7","8","7","3","9","6","1") = "8"
    & skf18("7","8","7","3","9","7","1") = "8"
    & skf18("7","8","7","3","9","8","1") = "8"
    & skf18("7","8","7","3","9","9","1") = "8"
    & skf18("7","8","7","3","9","10","1") = "9"
    & skf18("7","8","7","3","10","1","1") = "9"
    & skf18("7","8","7","3","10","2","1") = "9"
    & skf18("7","8","7","3","10","3","1") = "9"
    & skf18("7","8","7","3","10","4","1") = "9"
    & skf18("7","8","7","3","10","5","1") = "9"
    & skf18("7","8","7","3","10","6","1") = "9"
    & skf18("7","8","7","3","10","7","1") = "9"
    & skf18("7","8","7","3","10","8","1") = "9"
    & skf18("7","8","7","3","10","9","1") = "9"
    & skf18("7","8","7","3","10","10","1") = "9"
    & skf18("7","8","7","4","1","1","1") = "7"
    & skf18("7","8","7","4","1","2","1") = "7"
    & skf18("7","8","7","4","1","3","1") = "7"
    & skf18("7","8","7","4","1","4","1") = "7"
    & skf18("7","8","7","4","1","5","1") = "7"
    & skf18("7","8","7","4","1","6","1") = "7"
    & skf18("7","8","7","4","1","7","1") = "7"
    & skf18("7","8","7","4","1","8","1") = "7"
    & skf18("7","8","7","4","1","9","1") = "8"
    & skf18("7","8","7","4","1","10","1") = "9"
    & skf18("7","8","7","4","2","1","1") = "7"
    & skf18("7","8","7","4","2","2","1") = "7"
    & skf18("7","8","7","4","2","3","1") = "7"
    & skf18("7","8","7","4","2","4","1") = "7"
    & skf18("7","8","7","4","2","5","1") = "7"
    & skf18("7","8","7","4","2","6","1") = "7"
    & skf18("7","8","7","4","2","7","1") = "7"
    & skf18("7","8","7","4","2","8","1") = "7"
    & skf18("7","8","7","4","2","9","1") = "8"
    & skf18("7","8","7","4","2","10","1") = "9"
    & skf18("7","8","7","4","3","1","1") = "7"
    & skf18("7","8","7","4","3","2","1") = "7"
    & skf18("7","8","7","4","3","3","1") = "7"
    & skf18("7","8","7","4","3","4","1") = "7"
    & skf18("7","8","7","4","3","5","1") = "7"
    & skf18("7","8","7","4","3","6","1") = "7"
    & skf18("7","8","7","4","3","7","1") = "7"
    & skf18("7","8","7","4","3","8","1") = "7"
    & skf18("7","8","7","4","3","9","1") = "8"
    & skf18("7","8","7","4","3","10","1") = "9"
    & skf18("7","8","7","4","4","1","1") = "7"
    & skf18("7","8","7","4","4","2","1") = "7"
    & skf18("7","8","7","4","4","3","1") = "7"
    & skf18("7","8","7","4","4","4","1") = "7"
    & skf18("7","8","7","4","4","5","1") = "7"
    & skf18("7","8","7","4","4","6","1") = "7"
    & skf18("7","8","7","4","4","7","1") = "7"
    & skf18("7","8","7","4","4","8","1") = "7"
    & skf18("7","8","7","4","4","9","1") = "8"
    & skf18("7","8","7","4","4","10","1") = "9"
    & skf18("7","8","7","4","5","1","1") = "7"
    & skf18("7","8","7","4","5","2","1") = "7"
    & skf18("7","8","7","4","5","3","1") = "7"
    & skf18("7","8","7","4","5","4","1") = "7"
    & skf18("7","8","7","4","5","5","1") = "7"
    & skf18("7","8","7","4","5","6","1") = "7"
    & skf18("7","8","7","4","5","7","1") = "7"
    & skf18("7","8","7","4","5","8","1") = "7"
    & skf18("7","8","7","4","5","9","1") = "8"
    & skf18("7","8","7","4","5","10","1") = "9"
    & skf18("7","8","7","4","6","1","1") = "7"
    & skf18("7","8","7","4","6","2","1") = "7"
    & skf18("7","8","7","4","6","3","1") = "7"
    & skf18("7","8","7","4","6","4","1") = "7"
    & skf18("7","8","7","4","6","5","1") = "7"
    & skf18("7","8","7","4","6","6","1") = "7"
    & skf18("7","8","7","4","6","7","1") = "7"
    & skf18("7","8","7","4","6","8","1") = "7"
    & skf18("7","8","7","4","6","9","1") = "8"
    & skf18("7","8","7","4","6","10","1") = "9"
    & skf18("7","8","7","4","7","1","1") = "7"
    & skf18("7","8","7","4","7","2","1") = "7"
    & skf18("7","8","7","4","7","3","1") = "7"
    & skf18("7","8","7","4","7","4","1") = "7"
    & skf18("7","8","7","4","7","5","1") = "7"
    & skf18("7","8","7","4","7","6","1") = "7"
    & skf18("7","8","7","4","7","7","1") = "7"
    & skf18("7","8","7","4","7","8","1") = "7"
    & skf18("7","8","7","4","7","9","1") = "8"
    & skf18("7","8","7","4","7","10","1") = "9"
    & skf18("7","8","7","4","8","1","1") = "7"
    & skf18("7","8","7","4","8","2","1") = "7"
    & skf18("7","8","7","4","8","3","1") = "7"
    & skf18("7","8","7","4","8","4","1") = "7"
    & skf18("7","8","7","4","8","5","1") = "7"
    & skf18("7","8","7","4","8","6","1") = "7"
    & skf18("7","8","7","4","8","7","1") = "7"
    & skf18("7","8","7","4","8","8","1") = "7"
    & skf18("7","8","7","4","8","9","1") = "8"
    & skf18("7","8","7","4","8","10","1") = "9"
    & skf18("7","8","7","4","9","1","1") = "8"
    & skf18("7","8","7","4","9","2","1") = "8"
    & skf18("7","8","7","4","9","3","1") = "8"
    & skf18("7","8","7","4","9","4","1") = "8"
    & skf18("7","8","7","4","9","5","1") = "8"
    & skf18("7","8","7","4","9","6","1") = "8"
    & skf18("7","8","7","4","9","7","1") = "8"
    & skf18("7","8","7","4","9","8","1") = "8"
    & skf18("7","8","7","4","9","9","1") = "8"
    & skf18("7","8","7","4","9","10","1") = "9"
    & skf18("7","8","7","4","10","1","1") = "9"
    & skf18("7","8","7","4","10","2","1") = "9"
    & skf18("7","8","7","4","10","3","1") = "9"
    & skf18("7","8","7","4","10","4","1") = "9"
    & skf18("7","8","7","4","10","5","1") = "9"
    & skf18("7","8","7","4","10","6","1") = "9"
    & skf18("7","8","7","4","10","7","1") = "9"
    & skf18("7","8","7","4","10","8","1") = "9"
    & skf18("7","8","7","4","10","9","1") = "9"
    & skf18("7","8","7","4","10","10","1") = "9"
    & skf18("7","8","7","5","1","1","1") = "7"
    & skf18("7","8","7","5","1","2","1") = "7"
    & skf18("7","8","7","5","1","3","1") = "7"
    & skf18("7","8","7","5","1","4","1") = "7"
    & skf18("7","8","7","5","1","5","1") = "7"
    & skf18("7","8","7","5","1","6","1") = "7"
    & skf18("7","8","7","5","1","7","1") = "7"
    & skf18("7","8","7","5","1","8","1") = "7"
    & skf18("7","8","7","5","1","9","1") = "8"
    & skf18("7","8","7","5","1","10","1") = "9"
    & skf18("7","8","7","5","2","1","1") = "7"
    & skf18("7","8","7","5","2","2","1") = "7"
    & skf18("7","8","7","5","2","3","1") = "7"
    & skf18("7","8","7","5","2","4","1") = "7"
    & skf18("7","8","7","5","2","5","1") = "7"
    & skf18("7","8","7","5","2","6","1") = "7"
    & skf18("7","8","7","5","2","7","1") = "7"
    & skf18("7","8","7","5","2","8","1") = "7"
    & skf18("7","8","7","5","2","9","1") = "8"
    & skf18("7","8","7","5","2","10","1") = "9"
    & skf18("7","8","7","5","3","1","1") = "7"
    & skf18("7","8","7","5","3","2","1") = "7"
    & skf18("7","8","7","5","3","3","1") = "7"
    & skf18("7","8","7","5","3","4","1") = "7"
    & skf18("7","8","7","5","3","5","1") = "7"
    & skf18("7","8","7","5","3","6","1") = "7"
    & skf18("7","8","7","5","3","7","1") = "7"
    & skf18("7","8","7","5","3","8","1") = "7"
    & skf18("7","8","7","5","3","9","1") = "8"
    & skf18("7","8","7","5","3","10","1") = "9"
    & skf18("7","8","7","5","4","1","1") = "7"
    & skf18("7","8","7","5","4","2","1") = "7"
    & skf18("7","8","7","5","4","3","1") = "7"
    & skf18("7","8","7","5","4","4","1") = "7"
    & skf18("7","8","7","5","4","5","1") = "7"
    & skf18("7","8","7","5","4","6","1") = "7"
    & skf18("7","8","7","5","4","7","1") = "7"
    & skf18("7","8","7","5","4","8","1") = "7"
    & skf18("7","8","7","5","4","9","1") = "8"
    & skf18("7","8","7","5","4","10","1") = "9"
    & skf18("7","8","7","5","5","1","1") = "7"
    & skf18("7","8","7","5","5","2","1") = "7"
    & skf18("7","8","7","5","5","3","1") = "7"
    & skf18("7","8","7","5","5","4","1") = "7"
    & skf18("7","8","7","5","5","5","1") = "7"
    & skf18("7","8","7","5","5","6","1") = "7"
    & skf18("7","8","7","5","5","7","1") = "7"
    & skf18("7","8","7","5","5","8","1") = "7"
    & skf18("7","8","7","5","5","9","1") = "8"
    & skf18("7","8","7","5","5","10","1") = "9"
    & skf18("7","8","7","5","6","1","1") = "7"
    & skf18("7","8","7","5","6","2","1") = "7"
    & skf18("7","8","7","5","6","3","1") = "7"
    & skf18("7","8","7","5","6","4","1") = "7"
    & skf18("7","8","7","5","6","5","1") = "7"
    & skf18("7","8","7","5","6","6","1") = "7"
    & skf18("7","8","7","5","6","7","1") = "7"
    & skf18("7","8","7","5","6","8","1") = "7"
    & skf18("7","8","7","5","6","9","1") = "8"
    & skf18("7","8","7","5","6","10","1") = "9"
    & skf18("7","8","7","5","7","1","1") = "7"
    & skf18("7","8","7","5","7","2","1") = "7"
    & skf18("7","8","7","5","7","3","1") = "7"
    & skf18("7","8","7","5","7","4","1") = "7"
    & skf18("7","8","7","5","7","5","1") = "7"
    & skf18("7","8","7","5","7","6","1") = "7"
    & skf18("7","8","7","5","7","7","1") = "7"
    & skf18("7","8","7","5","7","8","1") = "7"
    & skf18("7","8","7","5","7","9","1") = "8"
    & skf18("7","8","7","5","7","10","1") = "9"
    & skf18("7","8","7","5","8","1","1") = "7"
    & skf18("7","8","7","5","8","2","1") = "7"
    & skf18("7","8","7","5","8","3","1") = "7"
    & skf18("7","8","7","5","8","4","1") = "7"
    & skf18("7","8","7","5","8","5","1") = "7"
    & skf18("7","8","7","5","8","6","1") = "7"
    & skf18("7","8","7","5","8","7","1") = "7"
    & skf18("7","8","7","5","8","8","1") = "7"
    & skf18("7","8","7","5","8","9","1") = "8"
    & skf18("7","8","7","5","8","10","1") = "9"
    & skf18("7","8","7","5","9","1","1") = "8"
    & skf18("7","8","7","5","9","2","1") = "8"
    & skf18("7","8","7","5","9","3","1") = "8"
    & skf18("7","8","7","5","9","4","1") = "8"
    & skf18("7","8","7","5","9","5","1") = "8"
    & skf18("7","8","7","5","9","6","1") = "8"
    & skf18("7","8","7","5","9","7","1") = "8"
    & skf18("7","8","7","5","9","8","1") = "8"
    & skf18("7","8","7","5","9","9","1") = "8"
    & skf18("7","8","7","5","9","10","1") = "9"
    & skf18("7","8","7","5","10","1","1") = "9"
    & skf18("7","8","7","5","10","2","1") = "9"
    & skf18("7","8","7","5","10","3","1") = "9"
    & skf18("7","8","7","5","10","4","1") = "9"
    & skf18("7","8","7","5","10","5","1") = "9"
    & skf18("7","8","7","5","10","6","1") = "9"
    & skf18("7","8","7","5","10","7","1") = "9"
    & skf18("7","8","7","5","10","8","1") = "9"
    & skf18("7","8","7","5","10","9","1") = "9"
    & skf18("7","8","7","5","10","10","1") = "9"
    & skf18("7","8","7","6","1","1","1") = "7"
    & skf18("7","8","7","6","1","2","1") = "7"
    & skf18("7","8","7","6","1","3","1") = "7"
    & skf18("7","8","7","6","1","4","1") = "7"
    & skf18("7","8","7","6","1","5","1") = "7"
    & skf18("7","8","7","6","1","6","1") = "7"
    & skf18("7","8","7","6","1","7","1") = "7"
    & skf18("7","8","7","6","1","8","1") = "7"
    & skf18("7","8","7","6","1","9","1") = "8"
    & skf18("7","8","7","6","1","10","1") = "9"
    & skf18("7","8","7","6","2","1","1") = "7"
    & skf18("7","8","7","6","2","2","1") = "7"
    & skf18("7","8","7","6","2","3","1") = "7"
    & skf18("7","8","7","6","2","4","1") = "7"
    & skf18("7","8","7","6","2","5","1") = "7"
    & skf18("7","8","7","6","2","6","1") = "7"
    & skf18("7","8","7","6","2","7","1") = "7"
    & skf18("7","8","7","6","2","8","1") = "7"
    & skf18("7","8","7","6","2","9","1") = "8"
    & skf18("7","8","7","6","2","10","1") = "9"
    & skf18("7","8","7","6","3","1","1") = "7"
    & skf18("7","8","7","6","3","2","1") = "7"
    & skf18("7","8","7","6","3","3","1") = "7"
    & skf18("7","8","7","6","3","4","1") = "7"
    & skf18("7","8","7","6","3","5","1") = "7"
    & skf18("7","8","7","6","3","6","1") = "7"
    & skf18("7","8","7","6","3","7","1") = "7"
    & skf18("7","8","7","6","3","8","1") = "7"
    & skf18("7","8","7","6","3","9","1") = "8"
    & skf18("7","8","7","6","3","10","1") = "9"
    & skf18("7","8","7","6","4","1","1") = "7"
    & skf18("7","8","7","6","4","2","1") = "7"
    & skf18("7","8","7","6","4","3","1") = "7"
    & skf18("7","8","7","6","4","4","1") = "7"
    & skf18("7","8","7","6","4","5","1") = "7"
    & skf18("7","8","7","6","4","6","1") = "7"
    & skf18("7","8","7","6","4","7","1") = "7"
    & skf18("7","8","7","6","4","8","1") = "7"
    & skf18("7","8","7","6","4","9","1") = "8"
    & skf18("7","8","7","6","4","10","1") = "9"
    & skf18("7","8","7","6","5","1","1") = "7"
    & skf18("7","8","7","6","5","2","1") = "7"
    & skf18("7","8","7","6","5","3","1") = "7"
    & skf18("7","8","7","6","5","4","1") = "7"
    & skf18("7","8","7","6","5","5","1") = "7"
    & skf18("7","8","7","6","5","6","1") = "7"
    & skf18("7","8","7","6","5","7","1") = "7"
    & skf18("7","8","7","6","5","8","1") = "7"
    & skf18("7","8","7","6","5","9","1") = "8"
    & skf18("7","8","7","6","5","10","1") = "9"
    & skf18("7","8","7","6","6","1","1") = "7"
    & skf18("7","8","7","6","6","2","1") = "7"
    & skf18("7","8","7","6","6","3","1") = "7"
    & skf18("7","8","7","6","6","4","1") = "7"
    & skf18("7","8","7","6","6","5","1") = "7"
    & skf18("7","8","7","6","6","6","1") = "7"
    & skf18("7","8","7","6","6","7","1") = "7"
    & skf18("7","8","7","6","6","8","1") = "7"
    & skf18("7","8","7","6","6","9","1") = "8"
    & skf18("7","8","7","6","6","10","1") = "9"
    & skf18("7","8","7","6","7","1","1") = "7"
    & skf18("7","8","7","6","7","2","1") = "7"
    & skf18("7","8","7","6","7","3","1") = "7"
    & skf18("7","8","7","6","7","4","1") = "7"
    & skf18("7","8","7","6","7","5","1") = "7"
    & skf18("7","8","7","6","7","6","1") = "7"
    & skf18("7","8","7","6","7","7","1") = "7"
    & skf18("7","8","7","6","7","8","1") = "7"
    & skf18("7","8","7","6","7","9","1") = "8"
    & skf18("7","8","7","6","7","10","1") = "9"
    & skf18("7","8","7","6","8","1","1") = "7"
    & skf18("7","8","7","6","8","2","1") = "7"
    & skf18("7","8","7","6","8","3","1") = "7"
    & skf18("7","8","7","6","8","4","1") = "7"
    & skf18("7","8","7","6","8","5","1") = "7"
    & skf18("7","8","7","6","8","6","1") = "7"
    & skf18("7","8","7","6","8","7","1") = "7"
    & skf18("7","8","7","6","8","8","1") = "7"
    & skf18("7","8","7","6","8","9","1") = "8"
    & skf18("7","8","7","6","8","10","1") = "9"
    & skf18("7","8","7","6","9","1","1") = "8"
    & skf18("7","8","7","6","9","2","1") = "8"
    & skf18("7","8","7","6","9","3","1") = "8"
    & skf18("7","8","7","6","9","4","1") = "8"
    & skf18("7","8","7","6","9","5","1") = "8"
    & skf18("7","8","7","6","9","6","1") = "8"
    & skf18("7","8","7","6","9","7","1") = "8"
    & skf18("7","8","7","6","9","8","1") = "8"
    & skf18("7","8","7","6","9","9","1") = "8"
    & skf18("7","8","7","6","9","10","1") = "9"
    & skf18("7","8","7","6","10","1","1") = "9"
    & skf18("7","8","7","6","10","2","1") = "9"
    & skf18("7","8","7","6","10","3","1") = "9"
    & skf18("7","8","7","6","10","4","1") = "9"
    & skf18("7","8","7","6","10","5","1") = "9"
    & skf18("7","8","7","6","10","6","1") = "9"
    & skf18("7","8","7","6","10","7","1") = "9"
    & skf18("7","8","7","6","10","8","1") = "9"
    & skf18("7","8","7","6","10","9","1") = "9"
    & skf18("7","8","7","6","10","10","1") = "9"
    & skf18("7","8","7","7","1","1","1") = "7"
    & skf18("7","8","7","7","1","2","1") = "7"
    & skf18("7","8","7","7","1","3","1") = "7"
    & skf18("7","8","7","7","1","4","1") = "7"
    & skf18("7","8","7","7","1","5","1") = "7"
    & skf18("7","8","7","7","1","6","1") = "7"
    & skf18("7","8","7","7","1","7","1") = "7"
    & skf18("7","8","7","7","1","8","1") = "7"
    & skf18("7","8","7","7","1","9","1") = "8"
    & skf18("7","8","7","7","1","10","1") = "9"
    & skf18("7","8","7","7","2","1","1") = "7"
    & skf18("7","8","7","7","2","2","1") = "7"
    & skf18("7","8","7","7","2","3","1") = "7"
    & skf18("7","8","7","7","2","4","1") = "7"
    & skf18("7","8","7","7","2","5","1") = "7"
    & skf18("7","8","7","7","2","6","1") = "7"
    & skf18("7","8","7","7","2","7","1") = "7"
    & skf18("7","8","7","7","2","8","1") = "7"
    & skf18("7","8","7","7","2","9","1") = "8"
    & skf18("7","8","7","7","2","10","1") = "9"
    & skf18("7","8","7","7","3","1","1") = "7"
    & skf18("7","8","7","7","3","2","1") = "7"
    & skf18("7","8","7","7","3","3","1") = "7"
    & skf18("7","8","7","7","3","4","1") = "7"
    & skf18("7","8","7","7","3","5","1") = "7"
    & skf18("7","8","7","7","3","6","1") = "7"
    & skf18("7","8","7","7","3","7","1") = "7"
    & skf18("7","8","7","7","3","8","1") = "7"
    & skf18("7","8","7","7","3","9","1") = "8"
    & skf18("7","8","7","7","3","10","1") = "9"
    & skf18("7","8","7","7","4","1","1") = "7"
    & skf18("7","8","7","7","4","2","1") = "7"
    & skf18("7","8","7","7","4","3","1") = "7"
    & skf18("7","8","7","7","4","4","1") = "7"
    & skf18("7","8","7","7","4","5","1") = "7"
    & skf18("7","8","7","7","4","6","1") = "7"
    & skf18("7","8","7","7","4","7","1") = "7"
    & skf18("7","8","7","7","4","8","1") = "7"
    & skf18("7","8","7","7","4","9","1") = "8"
    & skf18("7","8","7","7","4","10","1") = "9"
    & skf18("7","8","7","7","5","1","1") = "7"
    & skf18("7","8","7","7","5","2","1") = "7"
    & skf18("7","8","7","7","5","3","1") = "7"
    & skf18("7","8","7","7","5","4","1") = "7"
    & skf18("7","8","7","7","5","5","1") = "7"
    & skf18("7","8","7","7","5","6","1") = "7"
    & skf18("7","8","7","7","5","7","1") = "7"
    & skf18("7","8","7","7","5","8","1") = "7"
    & skf18("7","8","7","7","5","9","1") = "8"
    & skf18("7","8","7","7","5","10","1") = "9"
    & skf18("7","8","7","7","6","1","1") = "7"
    & skf18("7","8","7","7","6","2","1") = "7"
    & skf18("7","8","7","7","6","3","1") = "7"
    & skf18("7","8","7","7","6","4","1") = "7"
    & skf18("7","8","7","7","6","5","1") = "7"
    & skf18("7","8","7","7","6","6","1") = "7"
    & skf18("7","8","7","7","6","7","1") = "7"
    & skf18("7","8","7","7","6","8","1") = "7"
    & skf18("7","8","7","7","6","9","1") = "8"
    & skf18("7","8","7","7","6","10","1") = "9"
    & skf18("7","8","7","7","7","1","1") = "7"
    & skf18("7","8","7","7","7","2","1") = "7"
    & skf18("7","8","7","7","7","3","1") = "7"
    & skf18("7","8","7","7","7","4","1") = "7"
    & skf18("7","8","7","7","7","5","1") = "7"
    & skf18("7","8","7","7","7","6","1") = "7"
    & skf18("7","8","7","7","7","7","1") = "7"
    & skf18("7","8","7","7","7","8","1") = "7"
    & skf18("7","8","7","7","7","9","1") = "8"
    & skf18("7","8","7","7","7","10","1") = "9"
    & skf18("7","8","7","7","8","1","1") = "7"
    & skf18("7","8","7","7","8","2","1") = "7"
    & skf18("7","8","7","7","8","3","1") = "7"
    & skf18("7","8","7","7","8","4","1") = "7"
    & skf18("7","8","7","7","8","5","1") = "7"
    & skf18("7","8","7","7","8","6","1") = "7"
    & skf18("7","8","7","7","8","7","1") = "7"
    & skf18("7","8","7","7","8","8","1") = "7"
    & skf18("7","8","7","7","8","9","1") = "8"
    & skf18("7","8","7","7","8","10","1") = "9"
    & skf18("7","8","7","7","9","1","1") = "8"
    & skf18("7","8","7","7","9","2","1") = "8"
    & skf18("7","8","7","7","9","3","1") = "8"
    & skf18("7","8","7","7","9","4","1") = "8"
    & skf18("7","8","7","7","9","5","1") = "8"
    & skf18("7","8","7","7","9","6","1") = "8"
    & skf18("7","8","7","7","9","7","1") = "8"
    & skf18("7","8","7","7","9","8","1") = "8"
    & skf18("7","8","7","7","9","9","1") = "8"
    & skf18("7","8","7","7","9","10","1") = "9"
    & skf18("7","8","7","7","10","1","1") = "9"
    & skf18("7","8","7","7","10","2","1") = "9"
    & skf18("7","8","7","7","10","3","1") = "9"
    & skf18("7","8","7","7","10","4","1") = "9"
    & skf18("7","8","7","7","10","5","1") = "9"
    & skf18("7","8","7","7","10","6","1") = "9"
    & skf18("7","8","7","7","10","7","1") = "9"
    & skf18("7","8","7","7","10","8","1") = "9"
    & skf18("7","8","7","7","10","9","1") = "9"
    & skf18("7","8","7","7","10","10","1") = "9"
    & skf18("7","8","7","8","1","1","1") = "7"
    & skf18("7","8","7","8","1","2","1") = "7"
    & skf18("7","8","7","8","1","3","1") = "7"
    & skf18("7","8","7","8","1","4","1") = "7"
    & skf18("7","8","7","8","1","5","1") = "7"
    & skf18("7","8","7","8","1","6","1") = "7"
    & skf18("7","8","7","8","1","7","1") = "7"
    & skf18("7","8","7","8","1","8","1") = "7"
    & skf18("7","8","7","8","1","9","1") = "8"
    & skf18("7","8","7","8","1","10","1") = "9"
    & skf18("7","8","7","8","2","1","1") = "7"
    & skf18("7","8","7","8","2","2","1") = "7"
    & skf18("7","8","7","8","2","3","1") = "7"
    & skf18("7","8","7","8","2","4","1") = "7"
    & skf18("7","8","7","8","2","5","1") = "7"
    & skf18("7","8","7","8","2","6","1") = "7"
    & skf18("7","8","7","8","2","7","1") = "7"
    & skf18("7","8","7","8","2","8","1") = "7"
    & skf18("7","8","7","8","2","9","1") = "8"
    & skf18("7","8","7","8","2","10","1") = "9"
    & skf18("7","8","7","8","3","1","1") = "7"
    & skf18("7","8","7","8","3","2","1") = "7"
    & skf18("7","8","7","8","3","3","1") = "7"
    & skf18("7","8","7","8","3","4","1") = "7"
    & skf18("7","8","7","8","3","5","1") = "7"
    & skf18("7","8","7","8","3","6","1") = "7"
    & skf18("7","8","7","8","3","7","1") = "7"
    & skf18("7","8","7","8","3","8","1") = "7"
    & skf18("7","8","7","8","3","9","1") = "8"
    & skf18("7","8","7","8","3","10","1") = "9"
    & skf18("7","8","7","8","4","1","1") = "7"
    & skf18("7","8","7","8","4","2","1") = "7"
    & skf18("7","8","7","8","4","3","1") = "7"
    & skf18("7","8","7","8","4","4","1") = "7"
    & skf18("7","8","7","8","4","5","1") = "7"
    & skf18("7","8","7","8","4","6","1") = "7"
    & skf18("7","8","7","8","4","7","1") = "7"
    & skf18("7","8","7","8","4","8","1") = "7"
    & skf18("7","8","7","8","4","9","1") = "8"
    & skf18("7","8","7","8","4","10","1") = "9"
    & skf18("7","8","7","8","5","1","1") = "7"
    & skf18("7","8","7","8","5","2","1") = "7"
    & skf18("7","8","7","8","5","3","1") = "7"
    & skf18("7","8","7","8","5","4","1") = "7"
    & skf18("7","8","7","8","5","5","1") = "7"
    & skf18("7","8","7","8","5","6","1") = "7"
    & skf18("7","8","7","8","5","7","1") = "7"
    & skf18("7","8","7","8","5","8","1") = "7"
    & skf18("7","8","7","8","5","9","1") = "8"
    & skf18("7","8","7","8","5","10","1") = "9"
    & skf18("7","8","7","8","6","1","1") = "7"
    & skf18("7","8","7","8","6","2","1") = "7"
    & skf18("7","8","7","8","6","3","1") = "7"
    & skf18("7","8","7","8","6","4","1") = "7"
    & skf18("7","8","7","8","6","5","1") = "7"
    & skf18("7","8","7","8","6","6","1") = "7"
    & skf18("7","8","7","8","6","7","1") = "7"
    & skf18("7","8","7","8","6","8","1") = "7"
    & skf18("7","8","7","8","6","9","1") = "8"
    & skf18("7","8","7","8","6","10","1") = "9"
    & skf18("7","8","7","8","7","1","1") = "7"
    & skf18("7","8","7","8","7","2","1") = "7"
    & skf18("7","8","7","8","7","3","1") = "7"
    & skf18("7","8","7","8","7","4","1") = "7"
    & skf18("7","8","7","8","7","5","1") = "7"
    & skf18("7","8","7","8","7","6","1") = "7"
    & skf18("7","8","7","8","7","7","1") = "7"
    & skf18("7","8","7","8","7","8","1") = "7"
    & skf18("7","8","7","8","7","9","1") = "8"
    & skf18("7","8","7","8","7","10","1") = "9"
    & skf18("7","8","7","8","8","1","1") = "7"
    & skf18("7","8","7","8","8","2","1") = "7"
    & skf18("7","8","7","8","8","3","1") = "7"
    & skf18("7","8","7","8","8","4","1") = "7"
    & skf18("7","8","7","8","8","5","1") = "7"
    & skf18("7","8","7","8","8","6","1") = "7"
    & skf18("7","8","7","8","8","7","1") = "7"
    & skf18("7","8","7","8","8","8","1") = "7"
    & skf18("7","8","7","8","8","9","1") = "8"
    & skf18("7","8","7","8","8","10","1") = "9"
    & skf18("7","8","7","8","9","1","1") = "8"
    & skf18("7","8","7","8","9","2","1") = "8"
    & skf18("7","8","7","8","9","3","1") = "8"
    & skf18("7","8","7","8","9","4","1") = "8"
    & skf18("7","8","7","8","9","5","1") = "8"
    & skf18("7","8","7","8","9","6","1") = "8"
    & skf18("7","8","7","8","9","7","1") = "8"
    & skf18("7","8","7","8","9","8","1") = "8"
    & skf18("7","8","7","8","9","9","1") = "8"
    & skf18("7","8","7","8","9","10","1") = "9"
    & skf18("7","8","7","8","10","1","1") = "9"
    & skf18("7","8","7","8","10","2","1") = "9"
    & skf18("7","8","7","8","10","3","1") = "9"
    & skf18("7","8","7","8","10","4","1") = "9"
    & skf18("7","8","7","8","10","5","1") = "9"
    & skf18("7","8","7","8","10","6","1") = "9"
    & skf18("7","8","7","8","10","7","1") = "9"
    & skf18("7","8","7","8","10","8","1") = "9"
    & skf18("7","8","7","8","10","9","1") = "9"
    & skf18("7","8","7","8","10","10","1") = "9"
    & skf18("7","8","7","9","1","1","1") = "8"
    & skf18("7","8","7","9","1","2","1") = "8"
    & skf18("7","8","7","9","1","3","1") = "8"
    & skf18("7","8","7","9","1","4","1") = "8"
    & skf18("7","8","7","9","1","5","1") = "8"
    & skf18("7","8","7","9","1","6","1") = "8"
    & skf18("7","8","7","9","1","7","1") = "8"
    & skf18("7","8","7","9","1","8","1") = "8"
    & skf18("7","8","7","9","1","9","1") = "8"
    & skf18("7","8","7","9","1","10","1") = "9"
    & skf18("7","8","7","9","2","1","1") = "8"
    & skf18("7","8","7","9","2","2","1") = "8"
    & skf18("7","8","7","9","2","3","1") = "8"
    & skf18("7","8","7","9","2","4","1") = "8"
    & skf18("7","8","7","9","2","5","1") = "8"
    & skf18("7","8","7","9","2","6","1") = "8"
    & skf18("7","8","7","9","2","7","1") = "8"
    & skf18("7","8","7","9","2","8","1") = "8"
    & skf18("7","8","7","9","2","9","1") = "8"
    & skf18("7","8","7","9","2","10","1") = "9"
    & skf18("7","8","7","9","3","1","1") = "8"
    & skf18("7","8","7","9","3","2","1") = "8"
    & skf18("7","8","7","9","3","3","1") = "8"
    & skf18("7","8","7","9","3","4","1") = "8"
    & skf18("7","8","7","9","3","5","1") = "8"
    & skf18("7","8","7","9","3","6","1") = "8"
    & skf18("7","8","7","9","3","7","1") = "8"
    & skf18("7","8","7","9","3","8","1") = "8"
    & skf18("7","8","7","9","3","9","1") = "8"
    & skf18("7","8","7","9","3","10","1") = "9"
    & skf18("7","8","7","9","4","1","1") = "8"
    & skf18("7","8","7","9","4","2","1") = "8"
    & skf18("7","8","7","9","4","3","1") = "8"
    & skf18("7","8","7","9","4","4","1") = "8"
    & skf18("7","8","7","9","4","5","1") = "8"
    & skf18("7","8","7","9","4","6","1") = "8"
    & skf18("7","8","7","9","4","7","1") = "8"
    & skf18("7","8","7","9","4","8","1") = "8"
    & skf18("7","8","7","9","4","9","1") = "8"
    & skf18("7","8","7","9","4","10","1") = "9"
    & skf18("7","8","7","9","5","1","1") = "8"
    & skf18("7","8","7","9","5","2","1") = "8"
    & skf18("7","8","7","9","5","3","1") = "8"
    & skf18("7","8","7","9","5","4","1") = "8"
    & skf18("7","8","7","9","5","5","1") = "8"
    & skf18("7","8","7","9","5","6","1") = "8"
    & skf18("7","8","7","9","5","7","1") = "8"
    & skf18("7","8","7","9","5","8","1") = "8"
    & skf18("7","8","7","9","5","9","1") = "8"
    & skf18("7","8","7","9","5","10","1") = "9"
    & skf18("7","8","7","9","6","1","1") = "8"
    & skf18("7","8","7","9","6","2","1") = "8"
    & skf18("7","8","7","9","6","3","1") = "8"
    & skf18("7","8","7","9","6","4","1") = "8"
    & skf18("7","8","7","9","6","5","1") = "8"
    & skf18("7","8","7","9","6","6","1") = "8"
    & skf18("7","8","7","9","6","7","1") = "8"
    & skf18("7","8","7","9","6","8","1") = "8"
    & skf18("7","8","7","9","6","9","1") = "8"
    & skf18("7","8","7","9","6","10","1") = "9"
    & skf18("7","8","7","9","7","1","1") = "8"
    & skf18("7","8","7","9","7","2","1") = "8"
    & skf18("7","8","7","9","7","3","1") = "8"
    & skf18("7","8","7","9","7","4","1") = "8"
    & skf18("7","8","7","9","7","5","1") = "8"
    & skf18("7","8","7","9","7","6","1") = "8"
    & skf18("7","8","7","9","7","7","1") = "8"
    & skf18("7","8","7","9","7","8","1") = "8"
    & skf18("7","8","7","9","7","9","1") = "8"
    & skf18("7","8","7","9","7","10","1") = "9"
    & skf18("7","8","7","9","8","1","1") = "8"
    & skf18("7","8","7","9","8","2","1") = "8"
    & skf18("7","8","7","9","8","3","1") = "8"
    & skf18("7","8","7","9","8","4","1") = "8"
    & skf18("7","8","7","9","8","5","1") = "8"
    & skf18("7","8","7","9","8","6","1") = "8"
    & skf18("7","8","7","9","8","7","1") = "8"
    & skf18("7","8","7","9","8","8","1") = "8"
    & skf18("7","8","7","9","8","9","1") = "8"
    & skf18("7","8","7","9","8","10","1") = "9"
    & skf18("7","8","7","9","9","1","1") = "8"
    & skf18("7","8","7","9","9","2","1") = "8"
    & skf18("7","8","7","9","9","3","1") = "8"
    & skf18("7","8","7","9","9","4","1") = "8"
    & skf18("7","8","7","9","9","5","1") = "8"
    & skf18("7","8","7","9","9","6","1") = "8"
    & skf18("7","8","7","9","9","7","1") = "8"
    & skf18("7","8","7","9","9","8","1") = "8"
    & skf18("7","8","7","9","9","9","1") = "8"
    & skf18("7","8","7","9","9","10","1") = "9"
    & skf18("7","8","7","9","10","1","1") = "9"
    & skf18("7","8","7","9","10","2","1") = "9"
    & skf18("7","8","7","9","10","3","1") = "9"
    & skf18("7","8","7","9","10","4","1") = "9"
    & skf18("7","8","7","9","10","5","1") = "9"
    & skf18("7","8","7","9","10","6","1") = "9"
    & skf18("7","8","7","9","10","7","1") = "9"
    & skf18("7","8","7","9","10","8","1") = "9"
    & skf18("7","8","7","9","10","9","1") = "9"
    & skf18("7","8","7","9","10","10","1") = "9"
    & skf18("7","8","7","10","1","1","1") = "9"
    & skf18("7","8","7","10","1","2","1") = "9"
    & skf18("7","8","7","10","1","3","1") = "9"
    & skf18("7","8","7","10","1","4","1") = "9"
    & skf18("7","8","7","10","1","5","1") = "9"
    & skf18("7","8","7","10","1","6","1") = "9"
    & skf18("7","8","7","10","1","7","1") = "9"
    & skf18("7","8","7","10","1","8","1") = "9"
    & skf18("7","8","7","10","1","9","1") = "9"
    & skf18("7","8","7","10","1","10","1") = "9"
    & skf18("7","8","7","10","2","1","1") = "9"
    & skf18("7","8","7","10","2","2","1") = "9"
    & skf18("7","8","7","10","2","3","1") = "9"
    & skf18("7","8","7","10","2","4","1") = "9"
    & skf18("7","8","7","10","2","5","1") = "9"
    & skf18("7","8","7","10","2","6","1") = "9"
    & skf18("7","8","7","10","2","7","1") = "9"
    & skf18("7","8","7","10","2","8","1") = "9"
    & skf18("7","8","7","10","2","9","1") = "9"
    & skf18("7","8","7","10","2","10","1") = "9"
    & skf18("7","8","7","10","3","1","1") = "9"
    & skf18("7","8","7","10","3","2","1") = "9"
    & skf18("7","8","7","10","3","3","1") = "9"
    & skf18("7","8","7","10","3","4","1") = "9"
    & skf18("7","8","7","10","3","5","1") = "9"
    & skf18("7","8","7","10","3","6","1") = "9"
    & skf18("7","8","7","10","3","7","1") = "9"
    & skf18("7","8","7","10","3","8","1") = "9"
    & skf18("7","8","7","10","3","9","1") = "9"
    & skf18("7","8","7","10","3","10","1") = "9"
    & skf18("7","8","7","10","4","1","1") = "9"
    & skf18("7","8","7","10","4","2","1") = "9"
    & skf18("7","8","7","10","4","3","1") = "9"
    & skf18("7","8","7","10","4","4","1") = "9"
    & skf18("7","8","7","10","4","5","1") = "9"
    & skf18("7","8","7","10","4","6","1") = "9"
    & skf18("7","8","7","10","4","7","1") = "9"
    & skf18("7","8","7","10","4","8","1") = "9"
    & skf18("7","8","7","10","4","9","1") = "9"
    & skf18("7","8","7","10","4","10","1") = "9"
    & skf18("7","8","7","10","5","1","1") = "9"
    & skf18("7","8","7","10","5","2","1") = "9"
    & skf18("7","8","7","10","5","3","1") = "9"
    & skf18("7","8","7","10","5","4","1") = "9"
    & skf18("7","8","7","10","5","5","1") = "9"
    & skf18("7","8","7","10","5","6","1") = "9"
    & skf18("7","8","7","10","5","7","1") = "9"
    & skf18("7","8","7","10","5","8","1") = "9"
    & skf18("7","8","7","10","5","9","1") = "9"
    & skf18("7","8","7","10","5","10","1") = "9"
    & skf18("7","8","7","10","6","1","1") = "9"
    & skf18("7","8","7","10","6","2","1") = "9"
    & skf18("7","8","7","10","6","3","1") = "9"
    & skf18("7","8","7","10","6","4","1") = "9"
    & skf18("7","8","7","10","6","5","1") = "9"
    & skf18("7","8","7","10","6","6","1") = "9"
    & skf18("7","8","7","10","6","7","1") = "9"
    & skf18("7","8","7","10","6","8","1") = "9"
    & skf18("7","8","7","10","6","9","1") = "9"
    & skf18("7","8","7","10","6","10","1") = "9"
    & skf18("7","8","7","10","7","1","1") = "9"
    & skf18("7","8","7","10","7","2","1") = "9"
    & skf18("7","8","7","10","7","3","1") = "9"
    & skf18("7","8","7","10","7","4","1") = "9"
    & skf18("7","8","7","10","7","5","1") = "9"
    & skf18("7","8","7","10","7","6","1") = "9"
    & skf18("7","8","7","10","7","7","1") = "9"
    & skf18("7","8","7","10","7","8","1") = "9"
    & skf18("7","8","7","10","7","9","1") = "9"
    & skf18("7","8","7","10","7","10","1") = "9"
    & skf18("7","8","7","10","8","1","1") = "9"
    & skf18("7","8","7","10","8","2","1") = "9"
    & skf18("7","8","7","10","8","3","1") = "9"
    & skf18("7","8","7","10","8","4","1") = "9"
    & skf18("7","8","7","10","8","5","1") = "9"
    & skf18("7","8","7","10","8","6","1") = "9"
    & skf18("7","8","7","10","8","7","1") = "9"
    & skf18("7","8","7","10","8","8","1") = "9"
    & skf18("7","8","7","10","8","9","1") = "9"
    & skf18("7","8","7","10","8","10","1") = "9"
    & skf18("7","8","7","10","9","1","1") = "9"
    & skf18("7","8","7","10","9","2","1") = "9"
    & skf18("7","8","7","10","9","3","1") = "9"
    & skf18("7","8","7","10","9","4","1") = "9"
    & skf18("7","8","7","10","9","5","1") = "9"
    & skf18("7","8","7","10","9","6","1") = "9"
    & skf18("7","8","7","10","9","7","1") = "9"
    & skf18("7","8","7","10","9","8","1") = "9"
    & skf18("7","8","7","10","9","9","1") = "9"
    & skf18("7","8","7","10","9","10","1") = "9"
    & skf18("7","8","7","10","10","1","1") = "9"
    & skf18("7","8","7","10","10","2","1") = "9"
    & skf18("7","8","7","10","10","3","1") = "9"
    & skf18("7","8","7","10","10","4","1") = "9"
    & skf18("7","8","7","10","10","5","1") = "9"
    & skf18("7","8","7","10","10","6","1") = "9"
    & skf18("7","8","7","10","10","7","1") = "9"
    & skf18("7","8","7","10","10","8","1") = "9"
    & skf18("7","8","7","10","10","9","1") = "9"
    & skf18("7","8","7","10","10","10","1") = "9"
    & skf18("7","8","8","1","1","1","1") = "7"
    & skf18("7","8","8","1","1","2","1") = "7"
    & skf18("7","8","8","1","1","3","1") = "7"
    & skf18("7","8","8","1","1","4","1") = "7"
    & skf18("7","8","8","1","1","5","1") = "7"
    & skf18("7","8","8","1","1","6","1") = "7"
    & skf18("7","8","8","1","1","7","1") = "7"
    & skf18("7","8","8","1","1","8","1") = "7"
    & skf18("7","8","8","1","1","9","1") = "8"
    & skf18("7","8","8","1","1","10","1") = "9"
    & skf18("7","8","8","1","2","1","1") = "7"
    & skf18("7","8","8","1","2","2","1") = "7"
    & skf18("7","8","8","1","2","3","1") = "7"
    & skf18("7","8","8","1","2","4","1") = "7"
    & skf18("7","8","8","1","2","5","1") = "7"
    & skf18("7","8","8","1","2","6","1") = "7"
    & skf18("7","8","8","1","2","7","1") = "7"
    & skf18("7","8","8","1","2","8","1") = "7"
    & skf18("7","8","8","1","2","9","1") = "8"
    & skf18("7","8","8","1","2","10","1") = "9"
    & skf18("7","8","8","1","3","1","1") = "7"
    & skf18("7","8","8","1","3","2","1") = "7"
    & skf18("7","8","8","1","3","3","1") = "7"
    & skf18("7","8","8","1","3","4","1") = "7"
    & skf18("7","8","8","1","3","5","1") = "7"
    & skf18("7","8","8","1","3","6","1") = "7"
    & skf18("7","8","8","1","3","7","1") = "7"
    & skf18("7","8","8","1","3","8","1") = "7"
    & skf18("7","8","8","1","3","9","1") = "8"
    & skf18("7","8","8","1","3","10","1") = "9"
    & skf18("7","8","8","1","4","1","1") = "7"
    & skf18("7","8","8","1","4","2","1") = "7"
    & skf18("7","8","8","1","4","3","1") = "7"
    & skf18("7","8","8","1","4","4","1") = "7"
    & skf18("7","8","8","1","4","5","1") = "7"
    & skf18("7","8","8","1","4","6","1") = "7"
    & skf18("7","8","8","1","4","7","1") = "7"
    & skf18("7","8","8","1","4","8","1") = "7"
    & skf18("7","8","8","1","4","9","1") = "8"
    & skf18("7","8","8","1","4","10","1") = "9"
    & skf18("7","8","8","1","5","1","1") = "7"
    & skf18("7","8","8","1","5","2","1") = "7"
    & skf18("7","8","8","1","5","3","1") = "7"
    & skf18("7","8","8","1","5","4","1") = "7"
    & skf18("7","8","8","1","5","5","1") = "7"
    & skf18("7","8","8","1","5","6","1") = "7"
    & skf18("7","8","8","1","5","7","1") = "7"
    & skf18("7","8","8","1","5","8","1") = "7"
    & skf18("7","8","8","1","5","9","1") = "8"
    & skf18("7","8","8","1","5","10","1") = "9"
    & skf18("7","8","8","1","6","1","1") = "7"
    & skf18("7","8","8","1","6","2","1") = "7"
    & skf18("7","8","8","1","6","3","1") = "7"
    & skf18("7","8","8","1","6","4","1") = "7"
    & skf18("7","8","8","1","6","5","1") = "7"
    & skf18("7","8","8","1","6","6","1") = "7"
    & skf18("7","8","8","1","6","7","1") = "7"
    & skf18("7","8","8","1","6","8","1") = "7"
    & skf18("7","8","8","1","6","9","1") = "8"
    & skf18("7","8","8","1","6","10","1") = "9"
    & skf18("7","8","8","1","7","1","1") = "7"
    & skf18("7","8","8","1","7","2","1") = "7"
    & skf18("7","8","8","1","7","3","1") = "7"
    & skf18("7","8","8","1","7","4","1") = "7"
    & skf18("7","8","8","1","7","5","1") = "7"
    & skf18("7","8","8","1","7","6","1") = "7"
    & skf18("7","8","8","1","7","7","1") = "7"
    & skf18("7","8","8","1","7","8","1") = "7"
    & skf18("7","8","8","1","7","9","1") = "8"
    & skf18("7","8","8","1","7","10","1") = "9"
    & skf18("7","8","8","1","8","1","1") = "7"
    & skf18("7","8","8","1","8","2","1") = "7"
    & skf18("7","8","8","1","8","3","1") = "7"
    & skf18("7","8","8","1","8","4","1") = "7"
    & skf18("7","8","8","1","8","5","1") = "7"
    & skf18("7","8","8","1","8","6","1") = "7"
    & skf18("7","8","8","1","8","7","1") = "7"
    & skf18("7","8","8","1","8","8","1") = "7"
    & skf18("7","8","8","1","8","9","1") = "8"
    & skf18("7","8","8","1","8","10","1") = "9"
    & skf18("7","8","8","1","9","1","1") = "8"
    & skf18("7","8","8","1","9","2","1") = "8"
    & skf18("7","8","8","1","9","3","1") = "8"
    & skf18("7","8","8","1","9","4","1") = "8"
    & skf18("7","8","8","1","9","5","1") = "8"
    & skf18("7","8","8","1","9","6","1") = "8"
    & skf18("7","8","8","1","9","7","1") = "8"
    & skf18("7","8","8","1","9","8","1") = "8"
    & skf18("7","8","8","1","9","9","1") = "8"
    & skf18("7","8","8","1","9","10","1") = "9"
    & skf18("7","8","8","1","10","1","1") = "9"
    & skf18("7","8","8","1","10","2","1") = "9"
    & skf18("7","8","8","1","10","3","1") = "9"
    & skf18("7","8","8","1","10","4","1") = "9"
    & skf18("7","8","8","1","10","5","1") = "9"
    & skf18("7","8","8","1","10","6","1") = "9"
    & skf18("7","8","8","1","10","7","1") = "9"
    & skf18("7","8","8","1","10","8","1") = "9"
    & skf18("7","8","8","1","10","9","1") = "9"
    & skf18("7","8","8","1","10","10","1") = "9"
    & skf18("7","8","8","2","1","1","1") = "7"
    & skf18("7","8","8","2","1","2","1") = "7"
    & skf18("7","8","8","2","1","3","1") = "7"
    & skf18("7","8","8","2","1","4","1") = "7"
    & skf18("7","8","8","2","1","5","1") = "7"
    & skf18("7","8","8","2","1","6","1") = "7"
    & skf18("7","8","8","2","1","7","1") = "7"
    & skf18("7","8","8","2","1","8","1") = "7"
    & skf18("7","8","8","2","1","9","1") = "8"
    & skf18("7","8","8","2","1","10","1") = "9"
    & skf18("7","8","8","2","2","1","1") = "7"
    & skf18("7","8","8","2","2","2","1") = "7"
    & skf18("7","8","8","2","2","3","1") = "7"
    & skf18("7","8","8","2","2","4","1") = "7"
    & skf18("7","8","8","2","2","5","1") = "7"
    & skf18("7","8","8","2","2","6","1") = "7"
    & skf18("7","8","8","2","2","7","1") = "7"
    & skf18("7","8","8","2","2","8","1") = "7"
    & skf18("7","8","8","2","2","9","1") = "8"
    & skf18("7","8","8","2","2","10","1") = "9"
    & skf18("7","8","8","2","3","1","1") = "7"
    & skf18("7","8","8","2","3","2","1") = "7"
    & skf18("7","8","8","2","3","3","1") = "7"
    & skf18("7","8","8","2","3","4","1") = "7"
    & skf18("7","8","8","2","3","5","1") = "7"
    & skf18("7","8","8","2","3","6","1") = "7"
    & skf18("7","8","8","2","3","7","1") = "7"
    & skf18("7","8","8","2","3","8","1") = "7"
    & skf18("7","8","8","2","3","9","1") = "8"
    & skf18("7","8","8","2","3","10","1") = "9"
    & skf18("7","8","8","2","4","1","1") = "7"
    & skf18("7","8","8","2","4","2","1") = "7"
    & skf18("7","8","8","2","4","3","1") = "7"
    & skf18("7","8","8","2","4","4","1") = "7"
    & skf18("7","8","8","2","4","5","1") = "7"
    & skf18("7","8","8","2","4","6","1") = "7"
    & skf18("7","8","8","2","4","7","1") = "7"
    & skf18("7","8","8","2","4","8","1") = "7"
    & skf18("7","8","8","2","4","9","1") = "8"
    & skf18("7","8","8","2","4","10","1") = "9"
    & skf18("7","8","8","2","5","1","1") = "7"
    & skf18("7","8","8","2","5","2","1") = "7"
    & skf18("7","8","8","2","5","3","1") = "7"
    & skf18("7","8","8","2","5","4","1") = "7"
    & skf18("7","8","8","2","5","5","1") = "7"
    & skf18("7","8","8","2","5","6","1") = "7"
    & skf18("7","8","8","2","5","7","1") = "7"
    & skf18("7","8","8","2","5","8","1") = "7"
    & skf18("7","8","8","2","5","9","1") = "8"
    & skf18("7","8","8","2","5","10","1") = "9"
    & skf18("7","8","8","2","6","1","1") = "7"
    & skf18("7","8","8","2","6","2","1") = "7"
    & skf18("7","8","8","2","6","3","1") = "7"
    & skf18("7","8","8","2","6","4","1") = "7"
    & skf18("7","8","8","2","6","5","1") = "7"
    & skf18("7","8","8","2","6","6","1") = "7"
    & skf18("7","8","8","2","6","7","1") = "7"
    & skf18("7","8","8","2","6","8","1") = "7"
    & skf18("7","8","8","2","6","9","1") = "8"
    & skf18("7","8","8","2","6","10","1") = "9"
    & skf18("7","8","8","2","7","1","1") = "7"
    & skf18("7","8","8","2","7","2","1") = "7"
    & skf18("7","8","8","2","7","3","1") = "7"
    & skf18("7","8","8","2","7","4","1") = "7"
    & skf18("7","8","8","2","7","5","1") = "7"
    & skf18("7","8","8","2","7","6","1") = "7"
    & skf18("7","8","8","2","7","7","1") = "7"
    & skf18("7","8","8","2","7","8","1") = "7"
    & skf18("7","8","8","2","7","9","1") = "8"
    & skf18("7","8","8","2","7","10","1") = "9"
    & skf18("7","8","8","2","8","1","1") = "7"
    & skf18("7","8","8","2","8","2","1") = "7"
    & skf18("7","8","8","2","8","3","1") = "7"
    & skf18("7","8","8","2","8","4","1") = "7"
    & skf18("7","8","8","2","8","5","1") = "7"
    & skf18("7","8","8","2","8","6","1") = "7"
    & skf18("7","8","8","2","8","7","1") = "7"
    & skf18("7","8","8","2","8","8","1") = "7"
    & skf18("7","8","8","2","8","9","1") = "8"
    & skf18("7","8","8","2","8","10","1") = "9"
    & skf18("7","8","8","2","9","1","1") = "8"
    & skf18("7","8","8","2","9","2","1") = "8"
    & skf18("7","8","8","2","9","3","1") = "8"
    & skf18("7","8","8","2","9","4","1") = "8"
    & skf18("7","8","8","2","9","5","1") = "8"
    & skf18("7","8","8","2","9","6","1") = "8"
    & skf18("7","8","8","2","9","7","1") = "8"
    & skf18("7","8","8","2","9","8","1") = "8"
    & skf18("7","8","8","2","9","9","1") = "8"
    & skf18("7","8","8","2","9","10","1") = "9"
    & skf18("7","8","8","2","10","1","1") = "9"
    & skf18("7","8","8","2","10","2","1") = "9"
    & skf18("7","8","8","2","10","3","1") = "9"
    & skf18("7","8","8","2","10","4","1") = "9"
    & skf18("7","8","8","2","10","5","1") = "9"
    & skf18("7","8","8","2","10","6","1") = "9"
    & skf18("7","8","8","2","10","7","1") = "9"
    & skf18("7","8","8","2","10","8","1") = "9"
    & skf18("7","8","8","2","10","9","1") = "9"
    & skf18("7","8","8","2","10","10","1") = "9"
    & skf18("7","8","8","3","1","1","1") = "7"
    & skf18("7","8","8","3","1","2","1") = "7"
    & skf18("7","8","8","3","1","3","1") = "7"
    & skf18("7","8","8","3","1","4","1") = "7"
    & skf18("7","8","8","3","1","5","1") = "7"
    & skf18("7","8","8","3","1","6","1") = "7"
    & skf18("7","8","8","3","1","7","1") = "7"
    & skf18("7","8","8","3","1","8","1") = "7"
    & skf18("7","8","8","3","1","9","1") = "8"
    & skf18("7","8","8","3","1","10","1") = "9"
    & skf18("7","8","8","3","2","1","1") = "7"
    & skf18("7","8","8","3","2","2","1") = "7"
    & skf18("7","8","8","3","2","3","1") = "7"
    & skf18("7","8","8","3","2","4","1") = "7"
    & skf18("7","8","8","3","2","5","1") = "7"
    & skf18("7","8","8","3","2","6","1") = "7"
    & skf18("7","8","8","3","2","7","1") = "7"
    & skf18("7","8","8","3","2","8","1") = "7"
    & skf18("7","8","8","3","2","9","1") = "8"
    & skf18("7","8","8","3","2","10","1") = "9"
    & skf18("7","8","8","3","3","1","1") = "7"
    & skf18("7","8","8","3","3","2","1") = "7"
    & skf18("7","8","8","3","3","3","1") = "7"
    & skf18("7","8","8","3","3","4","1") = "7"
    & skf18("7","8","8","3","3","5","1") = "7"
    & skf18("7","8","8","3","3","6","1") = "7"
    & skf18("7","8","8","3","3","7","1") = "7"
    & skf18("7","8","8","3","3","8","1") = "7"
    & skf18("7","8","8","3","3","9","1") = "8"
    & skf18("7","8","8","3","3","10","1") = "9"
    & skf18("7","8","8","3","4","1","1") = "7"
    & skf18("7","8","8","3","4","2","1") = "7"
    & skf18("7","8","8","3","4","3","1") = "7"
    & skf18("7","8","8","3","4","4","1") = "7"
    & skf18("7","8","8","3","4","5","1") = "7"
    & skf18("7","8","8","3","4","6","1") = "7"
    & skf18("7","8","8","3","4","7","1") = "7"
    & skf18("7","8","8","3","4","8","1") = "7"
    & skf18("7","8","8","3","4","9","1") = "8"
    & skf18("7","8","8","3","4","10","1") = "9"
    & skf18("7","8","8","3","5","1","1") = "7"
    & skf18("7","8","8","3","5","2","1") = "7"
    & skf18("7","8","8","3","5","3","1") = "7"
    & skf18("7","8","8","3","5","4","1") = "7"
    & skf18("7","8","8","3","5","5","1") = "7"
    & skf18("7","8","8","3","5","6","1") = "7"
    & skf18("7","8","8","3","5","7","1") = "7"
    & skf18("7","8","8","3","5","8","1") = "7"
    & skf18("7","8","8","3","5","9","1") = "8"
    & skf18("7","8","8","3","5","10","1") = "9"
    & skf18("7","8","8","3","6","1","1") = "7"
    & skf18("7","8","8","3","6","2","1") = "7"
    & skf18("7","8","8","3","6","3","1") = "7"
    & skf18("7","8","8","3","6","4","1") = "7"
    & skf18("7","8","8","3","6","5","1") = "7"
    & skf18("7","8","8","3","6","6","1") = "7"
    & skf18("7","8","8","3","6","7","1") = "7"
    & skf18("7","8","8","3","6","8","1") = "7"
    & skf18("7","8","8","3","6","9","1") = "8"
    & skf18("7","8","8","3","6","10","1") = "9"
    & skf18("7","8","8","3","7","1","1") = "7"
    & skf18("7","8","8","3","7","2","1") = "7"
    & skf18("7","8","8","3","7","3","1") = "7"
    & skf18("7","8","8","3","7","4","1") = "7"
    & skf18("7","8","8","3","7","5","1") = "7"
    & skf18("7","8","8","3","7","6","1") = "7"
    & skf18("7","8","8","3","7","7","1") = "7"
    & skf18("7","8","8","3","7","8","1") = "7"
    & skf18("7","8","8","3","7","9","1") = "8"
    & skf18("7","8","8","3","7","10","1") = "9"
    & skf18("7","8","8","3","8","1","1") = "7"
    & skf18("7","8","8","3","8","2","1") = "7"
    & skf18("7","8","8","3","8","3","1") = "7"
    & skf18("7","8","8","3","8","4","1") = "7"
    & skf18("7","8","8","3","8","5","1") = "7"
    & skf18("7","8","8","3","8","6","1") = "7"
    & skf18("7","8","8","3","8","7","1") = "7"
    & skf18("7","8","8","3","8","8","1") = "7"
    & skf18("7","8","8","3","8","9","1") = "8"
    & skf18("7","8","8","3","8","10","1") = "9"
    & skf18("7","8","8","3","9","1","1") = "8"
    & skf18("7","8","8","3","9","2","1") = "8"
    & skf18("7","8","8","3","9","3","1") = "8"
    & skf18("7","8","8","3","9","4","1") = "8"
    & skf18("7","8","8","3","9","5","1") = "8"
    & skf18("7","8","8","3","9","6","1") = "8"
    & skf18("7","8","8","3","9","7","1") = "8"
    & skf18("7","8","8","3","9","8","1") = "8"
    & skf18("7","8","8","3","9","9","1") = "8"
    & skf18("7","8","8","3","9","10","1") = "9"
    & skf18("7","8","8","3","10","1","1") = "9"
    & skf18("7","8","8","3","10","2","1") = "9"
    & skf18("7","8","8","3","10","3","1") = "9"
    & skf18("7","8","8","3","10","4","1") = "9"
    & skf18("7","8","8","3","10","5","1") = "9"
    & skf18("7","8","8","3","10","6","1") = "9"
    & skf18("7","8","8","3","10","7","1") = "9"
    & skf18("7","8","8","3","10","8","1") = "9"
    & skf18("7","8","8","3","10","9","1") = "9"
    & skf18("7","8","8","3","10","10","1") = "9"
    & skf18("7","8","8","4","1","1","1") = "7"
    & skf18("7","8","8","4","1","2","1") = "7"
    & skf18("7","8","8","4","1","3","1") = "7"
    & skf18("7","8","8","4","1","4","1") = "7"
    & skf18("7","8","8","4","1","5","1") = "7"
    & skf18("7","8","8","4","1","6","1") = "7"
    & skf18("7","8","8","4","1","7","1") = "7"
    & skf18("7","8","8","4","1","8","1") = "7"
    & skf18("7","8","8","4","1","9","1") = "8"
    & skf18("7","8","8","4","1","10","1") = "9"
    & skf18("7","8","8","4","2","1","1") = "7"
    & skf18("7","8","8","4","2","2","1") = "7"
    & skf18("7","8","8","4","2","3","1") = "7"
    & skf18("7","8","8","4","2","4","1") = "7"
    & skf18("7","8","8","4","2","5","1") = "7"
    & skf18("7","8","8","4","2","6","1") = "7"
    & skf18("7","8","8","4","2","7","1") = "7"
    & skf18("7","8","8","4","2","8","1") = "7"
    & skf18("7","8","8","4","2","9","1") = "8"
    & skf18("7","8","8","4","2","10","1") = "9"
    & skf18("7","8","8","4","3","1","1") = "7"
    & skf18("7","8","8","4","3","2","1") = "7"
    & skf18("7","8","8","4","3","3","1") = "7"
    & skf18("7","8","8","4","3","4","1") = "7"
    & skf18("7","8","8","4","3","5","1") = "7"
    & skf18("7","8","8","4","3","6","1") = "7"
    & skf18("7","8","8","4","3","7","1") = "7"
    & skf18("7","8","8","4","3","8","1") = "7"
    & skf18("7","8","8","4","3","9","1") = "8"
    & skf18("7","8","8","4","3","10","1") = "9"
    & skf18("7","8","8","4","4","1","1") = "7"
    & skf18("7","8","8","4","4","2","1") = "7"
    & skf18("7","8","8","4","4","3","1") = "7"
    & skf18("7","8","8","4","4","4","1") = "7"
    & skf18("7","8","8","4","4","5","1") = "7"
    & skf18("7","8","8","4","4","6","1") = "7"
    & skf18("7","8","8","4","4","7","1") = "7"
    & skf18("7","8","8","4","4","8","1") = "7"
    & skf18("7","8","8","4","4","9","1") = "8"
    & skf18("7","8","8","4","4","10","1") = "9"
    & skf18("7","8","8","4","5","1","1") = "7"
    & skf18("7","8","8","4","5","2","1") = "7"
    & skf18("7","8","8","4","5","3","1") = "7"
    & skf18("7","8","8","4","5","4","1") = "7"
    & skf18("7","8","8","4","5","5","1") = "7"
    & skf18("7","8","8","4","5","6","1") = "7"
    & skf18("7","8","8","4","5","7","1") = "7"
    & skf18("7","8","8","4","5","8","1") = "7"
    & skf18("7","8","8","4","5","9","1") = "8"
    & skf18("7","8","8","4","5","10","1") = "9"
    & skf18("7","8","8","4","6","1","1") = "7"
    & skf18("7","8","8","4","6","2","1") = "7"
    & skf18("7","8","8","4","6","3","1") = "7"
    & skf18("7","8","8","4","6","4","1") = "7"
    & skf18("7","8","8","4","6","5","1") = "7"
    & skf18("7","8","8","4","6","6","1") = "7"
    & skf18("7","8","8","4","6","7","1") = "7"
    & skf18("7","8","8","4","6","8","1") = "7"
    & skf18("7","8","8","4","6","9","1") = "8"
    & skf18("7","8","8","4","6","10","1") = "9"
    & skf18("7","8","8","4","7","1","1") = "7"
    & skf18("7","8","8","4","7","2","1") = "7"
    & skf18("7","8","8","4","7","3","1") = "7"
    & skf18("7","8","8","4","7","4","1") = "7"
    & skf18("7","8","8","4","7","5","1") = "7"
    & skf18("7","8","8","4","7","6","1") = "7"
    & skf18("7","8","8","4","7","7","1") = "7"
    & skf18("7","8","8","4","7","8","1") = "7"
    & skf18("7","8","8","4","7","9","1") = "8"
    & skf18("7","8","8","4","7","10","1") = "9"
    & skf18("7","8","8","4","8","1","1") = "7"
    & skf18("7","8","8","4","8","2","1") = "7"
    & skf18("7","8","8","4","8","3","1") = "7"
    & skf18("7","8","8","4","8","4","1") = "7"
    & skf18("7","8","8","4","8","5","1") = "7"
    & skf18("7","8","8","4","8","6","1") = "7"
    & skf18("7","8","8","4","8","7","1") = "7"
    & skf18("7","8","8","4","8","8","1") = "7"
    & skf18("7","8","8","4","8","9","1") = "8"
    & skf18("7","8","8","4","8","10","1") = "9"
    & skf18("7","8","8","4","9","1","1") = "8"
    & skf18("7","8","8","4","9","2","1") = "8"
    & skf18("7","8","8","4","9","3","1") = "8"
    & skf18("7","8","8","4","9","4","1") = "8"
    & skf18("7","8","8","4","9","5","1") = "8"
    & skf18("7","8","8","4","9","6","1") = "8"
    & skf18("7","8","8","4","9","7","1") = "8"
    & skf18("7","8","8","4","9","8","1") = "8"
    & skf18("7","8","8","4","9","9","1") = "8"
    & skf18("7","8","8","4","9","10","1") = "9"
    & skf18("7","8","8","4","10","1","1") = "9"
    & skf18("7","8","8","4","10","2","1") = "9"
    & skf18("7","8","8","4","10","3","1") = "9"
    & skf18("7","8","8","4","10","4","1") = "9"
    & skf18("7","8","8","4","10","5","1") = "9"
    & skf18("7","8","8","4","10","6","1") = "9"
    & skf18("7","8","8","4","10","7","1") = "9"
    & skf18("7","8","8","4","10","8","1") = "9"
    & skf18("7","8","8","4","10","9","1") = "9"
    & skf18("7","8","8","4","10","10","1") = "9"
    & skf18("7","8","8","5","1","1","1") = "7"
    & skf18("7","8","8","5","1","2","1") = "7"
    & skf18("7","8","8","5","1","3","1") = "7"
    & skf18("7","8","8","5","1","4","1") = "7"
    & skf18("7","8","8","5","1","5","1") = "7"
    & skf18("7","8","8","5","1","6","1") = "7"
    & skf18("7","8","8","5","1","7","1") = "7"
    & skf18("7","8","8","5","1","8","1") = "7"
    & skf18("7","8","8","5","1","9","1") = "8"
    & skf18("7","8","8","5","1","10","1") = "9"
    & skf18("7","8","8","5","2","1","1") = "7"
    & skf18("7","8","8","5","2","2","1") = "7"
    & skf18("7","8","8","5","2","3","1") = "7"
    & skf18("7","8","8","5","2","4","1") = "7"
    & skf18("7","8","8","5","2","5","1") = "7"
    & skf18("7","8","8","5","2","6","1") = "7"
    & skf18("7","8","8","5","2","7","1") = "7"
    & skf18("7","8","8","5","2","8","1") = "7"
    & skf18("7","8","8","5","2","9","1") = "8"
    & skf18("7","8","8","5","2","10","1") = "9"
    & skf18("7","8","8","5","3","1","1") = "7"
    & skf18("7","8","8","5","3","2","1") = "7"
    & skf18("7","8","8","5","3","3","1") = "7"
    & skf18("7","8","8","5","3","4","1") = "7"
    & skf18("7","8","8","5","3","5","1") = "7"
    & skf18("7","8","8","5","3","6","1") = "7"
    & skf18("7","8","8","5","3","7","1") = "7"
    & skf18("7","8","8","5","3","8","1") = "7"
    & skf18("7","8","8","5","3","9","1") = "8"
    & skf18("7","8","8","5","3","10","1") = "9"
    & skf18("7","8","8","5","4","1","1") = "7"
    & skf18("7","8","8","5","4","2","1") = "7"
    & skf18("7","8","8","5","4","3","1") = "7"
    & skf18("7","8","8","5","4","4","1") = "7"
    & skf18("7","8","8","5","4","5","1") = "7"
    & skf18("7","8","8","5","4","6","1") = "7"
    & skf18("7","8","8","5","4","7","1") = "7"
    & skf18("7","8","8","5","4","8","1") = "7"
    & skf18("7","8","8","5","4","9","1") = "8"
    & skf18("7","8","8","5","4","10","1") = "9"
    & skf18("7","8","8","5","5","1","1") = "7"
    & skf18("7","8","8","5","5","2","1") = "7"
    & skf18("7","8","8","5","5","3","1") = "7"
    & skf18("7","8","8","5","5","4","1") = "7"
    & skf18("7","8","8","5","5","5","1") = "7"
    & skf18("7","8","8","5","5","6","1") = "7"
    & skf18("7","8","8","5","5","7","1") = "7"
    & skf18("7","8","8","5","5","8","1") = "7"
    & skf18("7","8","8","5","5","9","1") = "8"
    & skf18("7","8","8","5","5","10","1") = "9"
    & skf18("7","8","8","5","6","1","1") = "7"
    & skf18("7","8","8","5","6","2","1") = "7"
    & skf18("7","8","8","5","6","3","1") = "7"
    & skf18("7","8","8","5","6","4","1") = "7"
    & skf18("7","8","8","5","6","5","1") = "7"
    & skf18("7","8","8","5","6","6","1") = "7"
    & skf18("7","8","8","5","6","7","1") = "7"
    & skf18("7","8","8","5","6","8","1") = "7"
    & skf18("7","8","8","5","6","9","1") = "8"
    & skf18("7","8","8","5","6","10","1") = "9"
    & skf18("7","8","8","5","7","1","1") = "7"
    & skf18("7","8","8","5","7","2","1") = "7"
    & skf18("7","8","8","5","7","3","1") = "7"
    & skf18("7","8","8","5","7","4","1") = "7"
    & skf18("7","8","8","5","7","5","1") = "7"
    & skf18("7","8","8","5","7","6","1") = "7"
    & skf18("7","8","8","5","7","7","1") = "7"
    & skf18("7","8","8","5","7","8","1") = "7"
    & skf18("7","8","8","5","7","9","1") = "8"
    & skf18("7","8","8","5","7","10","1") = "9"
    & skf18("7","8","8","5","8","1","1") = "7"
    & skf18("7","8","8","5","8","2","1") = "7"
    & skf18("7","8","8","5","8","3","1") = "7"
    & skf18("7","8","8","5","8","4","1") = "7"
    & skf18("7","8","8","5","8","5","1") = "7"
    & skf18("7","8","8","5","8","6","1") = "7"
    & skf18("7","8","8","5","8","7","1") = "7"
    & skf18("7","8","8","5","8","8","1") = "7"
    & skf18("7","8","8","5","8","9","1") = "8"
    & skf18("7","8","8","5","8","10","1") = "9"
    & skf18("7","8","8","5","9","1","1") = "8"
    & skf18("7","8","8","5","9","2","1") = "8"
    & skf18("7","8","8","5","9","3","1") = "8"
    & skf18("7","8","8","5","9","4","1") = "8"
    & skf18("7","8","8","5","9","5","1") = "8"
    & skf18("7","8","8","5","9","6","1") = "8"
    & skf18("7","8","8","5","9","7","1") = "8"
    & skf18("7","8","8","5","9","8","1") = "8"
    & skf18("7","8","8","5","9","9","1") = "8"
    & skf18("7","8","8","5","9","10","1") = "9"
    & skf18("7","8","8","5","10","1","1") = "9"
    & skf18("7","8","8","5","10","2","1") = "9"
    & skf18("7","8","8","5","10","3","1") = "9"
    & skf18("7","8","8","5","10","4","1") = "9"
    & skf18("7","8","8","5","10","5","1") = "9"
    & skf18("7","8","8","5","10","6","1") = "9"
    & skf18("7","8","8","5","10","7","1") = "9"
    & skf18("7","8","8","5","10","8","1") = "9"
    & skf18("7","8","8","5","10","9","1") = "9"
    & skf18("7","8","8","5","10","10","1") = "9"
    & skf18("7","8","8","6","1","1","1") = "7"
    & skf18("7","8","8","6","1","2","1") = "7"
    & skf18("7","8","8","6","1","3","1") = "7"
    & skf18("7","8","8","6","1","4","1") = "7"
    & skf18("7","8","8","6","1","5","1") = "7"
    & skf18("7","8","8","6","1","6","1") = "7"
    & skf18("7","8","8","6","1","7","1") = "7"
    & skf18("7","8","8","6","1","8","1") = "7"
    & skf18("7","8","8","6","1","9","1") = "8"
    & skf18("7","8","8","6","1","10","1") = "9"
    & skf18("7","8","8","6","2","1","1") = "7"
    & skf18("7","8","8","6","2","2","1") = "7"
    & skf18("7","8","8","6","2","3","1") = "7"
    & skf18("7","8","8","6","2","4","1") = "7"
    & skf18("7","8","8","6","2","5","1") = "7"
    & skf18("7","8","8","6","2","6","1") = "7"
    & skf18("7","8","8","6","2","7","1") = "7"
    & skf18("7","8","8","6","2","8","1") = "7"
    & skf18("7","8","8","6","2","9","1") = "8"
    & skf18("7","8","8","6","2","10","1") = "9"
    & skf18("7","8","8","6","3","1","1") = "7"
    & skf18("7","8","8","6","3","2","1") = "7"
    & skf18("7","8","8","6","3","3","1") = "7"
    & skf18("7","8","8","6","3","4","1") = "7"
    & skf18("7","8","8","6","3","5","1") = "7"
    & skf18("7","8","8","6","3","6","1") = "7"
    & skf18("7","8","8","6","3","7","1") = "7"
    & skf18("7","8","8","6","3","8","1") = "7"
    & skf18("7","8","8","6","3","9","1") = "8"
    & skf18("7","8","8","6","3","10","1") = "9"
    & skf18("7","8","8","6","4","1","1") = "7"
    & skf18("7","8","8","6","4","2","1") = "7"
    & skf18("7","8","8","6","4","3","1") = "7"
    & skf18("7","8","8","6","4","4","1") = "7"
    & skf18("7","8","8","6","4","5","1") = "7"
    & skf18("7","8","8","6","4","6","1") = "7"
    & skf18("7","8","8","6","4","7","1") = "7"
    & skf18("7","8","8","6","4","8","1") = "7"
    & skf18("7","8","8","6","4","9","1") = "8"
    & skf18("7","8","8","6","4","10","1") = "9"
    & skf18("7","8","8","6","5","1","1") = "7"
    & skf18("7","8","8","6","5","2","1") = "7"
    & skf18("7","8","8","6","5","3","1") = "7"
    & skf18("7","8","8","6","5","4","1") = "7"
    & skf18("7","8","8","6","5","5","1") = "7"
    & skf18("7","8","8","6","5","6","1") = "7"
    & skf18("7","8","8","6","5","7","1") = "7"
    & skf18("7","8","8","6","5","8","1") = "7"
    & skf18("7","8","8","6","5","9","1") = "8"
    & skf18("7","8","8","6","5","10","1") = "9"
    & skf18("7","8","8","6","6","1","1") = "7"
    & skf18("7","8","8","6","6","2","1") = "7"
    & skf18("7","8","8","6","6","3","1") = "7"
    & skf18("7","8","8","6","6","4","1") = "7"
    & skf18("7","8","8","6","6","5","1") = "7"
    & skf18("7","8","8","6","6","6","1") = "7"
    & skf18("7","8","8","6","6","7","1") = "7"
    & skf18("7","8","8","6","6","8","1") = "7"
    & skf18("7","8","8","6","6","9","1") = "8"
    & skf18("7","8","8","6","6","10","1") = "9"
    & skf18("7","8","8","6","7","1","1") = "7"
    & skf18("7","8","8","6","7","2","1") = "7"
    & skf18("7","8","8","6","7","3","1") = "7"
    & skf18("7","8","8","6","7","4","1") = "7"
    & skf18("7","8","8","6","7","5","1") = "7"
    & skf18("7","8","8","6","7","6","1") = "7"
    & skf18("7","8","8","6","7","7","1") = "7"
    & skf18("7","8","8","6","7","8","1") = "7"
    & skf18("7","8","8","6","7","9","1") = "8"
    & skf18("7","8","8","6","7","10","1") = "9"
    & skf18("7","8","8","6","8","1","1") = "7"
    & skf18("7","8","8","6","8","2","1") = "7"
    & skf18("7","8","8","6","8","3","1") = "7"
    & skf18("7","8","8","6","8","4","1") = "7"
    & skf18("7","8","8","6","8","5","1") = "7"
    & skf18("7","8","8","6","8","6","1") = "7"
    & skf18("7","8","8","6","8","7","1") = "7"
    & skf18("7","8","8","6","8","8","1") = "7"
    & skf18("7","8","8","6","8","9","1") = "8"
    & skf18("7","8","8","6","8","10","1") = "9"
    & skf18("7","8","8","6","9","1","1") = "8"
    & skf18("7","8","8","6","9","2","1") = "8"
    & skf18("7","8","8","6","9","3","1") = "8"
    & skf18("7","8","8","6","9","4","1") = "8"
    & skf18("7","8","8","6","9","5","1") = "8"
    & skf18("7","8","8","6","9","6","1") = "8"
    & skf18("7","8","8","6","9","7","1") = "8"
    & skf18("7","8","8","6","9","8","1") = "8"
    & skf18("7","8","8","6","9","9","1") = "8"
    & skf18("7","8","8","6","9","10","1") = "9"
    & skf18("7","8","8","6","10","1","1") = "9"
    & skf18("7","8","8","6","10","2","1") = "9"
    & skf18("7","8","8","6","10","3","1") = "9"
    & skf18("7","8","8","6","10","4","1") = "9"
    & skf18("7","8","8","6","10","5","1") = "9"
    & skf18("7","8","8","6","10","6","1") = "9"
    & skf18("7","8","8","6","10","7","1") = "9"
    & skf18("7","8","8","6","10","8","1") = "9"
    & skf18("7","8","8","6","10","9","1") = "9"
    & skf18("7","8","8","6","10","10","1") = "9"
    & skf18("7","8","8","7","1","1","1") = "7"
    & skf18("7","8","8","7","1","2","1") = "7"
    & skf18("7","8","8","7","1","3","1") = "7"
    & skf18("7","8","8","7","1","4","1") = "7"
    & skf18("7","8","8","7","1","5","1") = "7"
    & skf18("7","8","8","7","1","6","1") = "7"
    & skf18("7","8","8","7","1","7","1") = "7"
    & skf18("7","8","8","7","1","8","1") = "7"
    & skf18("7","8","8","7","1","9","1") = "8"
    & skf18("7","8","8","7","1","10","1") = "9"
    & skf18("7","8","8","7","2","1","1") = "7"
    & skf18("7","8","8","7","2","2","1") = "7"
    & skf18("7","8","8","7","2","3","1") = "7"
    & skf18("7","8","8","7","2","4","1") = "7"
    & skf18("7","8","8","7","2","5","1") = "7"
    & skf18("7","8","8","7","2","6","1") = "7"
    & skf18("7","8","8","7","2","7","1") = "7"
    & skf18("7","8","8","7","2","8","1") = "7"
    & skf18("7","8","8","7","2","9","1") = "8"
    & skf18("7","8","8","7","2","10","1") = "9"
    & skf18("7","8","8","7","3","1","1") = "7"
    & skf18("7","8","8","7","3","2","1") = "7"
    & skf18("7","8","8","7","3","3","1") = "7"
    & skf18("7","8","8","7","3","4","1") = "7"
    & skf18("7","8","8","7","3","5","1") = "7"
    & skf18("7","8","8","7","3","6","1") = "7"
    & skf18("7","8","8","7","3","7","1") = "7"
    & skf18("7","8","8","7","3","8","1") = "7"
    & skf18("7","8","8","7","3","9","1") = "8"
    & skf18("7","8","8","7","3","10","1") = "9"
    & skf18("7","8","8","7","4","1","1") = "7"
    & skf18("7","8","8","7","4","2","1") = "7"
    & skf18("7","8","8","7","4","3","1") = "7"
    & skf18("7","8","8","7","4","4","1") = "7"
    & skf18("7","8","8","7","4","5","1") = "7"
    & skf18("7","8","8","7","4","6","1") = "7"
    & skf18("7","8","8","7","4","7","1") = "7"
    & skf18("7","8","8","7","4","8","1") = "7"
    & skf18("7","8","8","7","4","9","1") = "8"
    & skf18("7","8","8","7","4","10","1") = "9"
    & skf18("7","8","8","7","5","1","1") = "7"
    & skf18("7","8","8","7","5","2","1") = "7"
    & skf18("7","8","8","7","5","3","1") = "7"
    & skf18("7","8","8","7","5","4","1") = "7"
    & skf18("7","8","8","7","5","5","1") = "7"
    & skf18("7","8","8","7","5","6","1") = "7"
    & skf18("7","8","8","7","5","7","1") = "7"
    & skf18("7","8","8","7","5","8","1") = "7"
    & skf18("7","8","8","7","5","9","1") = "8"
    & skf18("7","8","8","7","5","10","1") = "9"
    & skf18("7","8","8","7","6","1","1") = "7"
    & skf18("7","8","8","7","6","2","1") = "7"
    & skf18("7","8","8","7","6","3","1") = "7"
    & skf18("7","8","8","7","6","4","1") = "7"
    & skf18("7","8","8","7","6","5","1") = "7"
    & skf18("7","8","8","7","6","6","1") = "7"
    & skf18("7","8","8","7","6","7","1") = "7"
    & skf18("7","8","8","7","6","8","1") = "7"
    & skf18("7","8","8","7","6","9","1") = "8"
    & skf18("7","8","8","7","6","10","1") = "9"
    & skf18("7","8","8","7","7","1","1") = "7"
    & skf18("7","8","8","7","7","2","1") = "7"
    & skf18("7","8","8","7","7","3","1") = "7"
    & skf18("7","8","8","7","7","4","1") = "7"
    & skf18("7","8","8","7","7","5","1") = "7"
    & skf18("7","8","8","7","7","6","1") = "7"
    & skf18("7","8","8","7","7","7","1") = "7"
    & skf18("7","8","8","7","7","8","1") = "7"
    & skf18("7","8","8","7","7","9","1") = "8"
    & skf18("7","8","8","7","7","10","1") = "9"
    & skf18("7","8","8","7","8","1","1") = "7"
    & skf18("7","8","8","7","8","2","1") = "7"
    & skf18("7","8","8","7","8","3","1") = "7"
    & skf18("7","8","8","7","8","4","1") = "7"
    & skf18("7","8","8","7","8","5","1") = "7"
    & skf18("7","8","8","7","8","6","1") = "7"
    & skf18("7","8","8","7","8","7","1") = "7"
    & skf18("7","8","8","7","8","8","1") = "7"
    & skf18("7","8","8","7","8","9","1") = "8"
    & skf18("7","8","8","7","8","10","1") = "9"
    & skf18("7","8","8","7","9","1","1") = "8"
    & skf18("7","8","8","7","9","2","1") = "8"
    & skf18("7","8","8","7","9","3","1") = "8"
    & skf18("7","8","8","7","9","4","1") = "8"
    & skf18("7","8","8","7","9","5","1") = "8"
    & skf18("7","8","8","7","9","6","1") = "8"
    & skf18("7","8","8","7","9","7","1") = "8"
    & skf18("7","8","8","7","9","8","1") = "8"
    & skf18("7","8","8","7","9","9","1") = "8"
    & skf18("7","8","8","7","9","10","1") = "9"
    & skf18("7","8","8","7","10","1","1") = "9"
    & skf18("7","8","8","7","10","2","1") = "9"
    & skf18("7","8","8","7","10","3","1") = "9"
    & skf18("7","8","8","7","10","4","1") = "9"
    & skf18("7","8","8","7","10","5","1") = "9"
    & skf18("7","8","8","7","10","6","1") = "9"
    & skf18("7","8","8","7","10","7","1") = "9"
    & skf18("7","8","8","7","10","8","1") = "9"
    & skf18("7","8","8","7","10","9","1") = "9"
    & skf18("7","8","8","7","10","10","1") = "9"
    & skf18("7","8","8","8","1","1","1") = "7"
    & skf18("7","8","8","8","1","2","1") = "7"
    & skf18("7","8","8","8","1","3","1") = "7"
    & skf18("7","8","8","8","1","4","1") = "7"
    & skf18("7","8","8","8","1","5","1") = "7"
    & skf18("7","8","8","8","1","6","1") = "7"
    & skf18("7","8","8","8","1","7","1") = "7"
    & skf18("7","8","8","8","1","8","1") = "7"
    & skf18("7","8","8","8","1","9","1") = "8"
    & skf18("7","8","8","8","1","10","1") = "9"
    & skf18("7","8","8","8","2","1","1") = "7"
    & skf18("7","8","8","8","2","2","1") = "7"
    & skf18("7","8","8","8","2","3","1") = "7"
    & skf18("7","8","8","8","2","4","1") = "7"
    & skf18("7","8","8","8","2","5","1") = "7"
    & skf18("7","8","8","8","2","6","1") = "7"
    & skf18("7","8","8","8","2","7","1") = "7"
    & skf18("7","8","8","8","2","8","1") = "7"
    & skf18("7","8","8","8","2","9","1") = "8"
    & skf18("7","8","8","8","2","10","1") = "9"
    & skf18("7","8","8","8","3","1","1") = "7"
    & skf18("7","8","8","8","3","2","1") = "7"
    & skf18("7","8","8","8","3","3","1") = "7"
    & skf18("7","8","8","8","3","4","1") = "7"
    & skf18("7","8","8","8","3","5","1") = "7"
    & skf18("7","8","8","8","3","6","1") = "7"
    & skf18("7","8","8","8","3","7","1") = "7"
    & skf18("7","8","8","8","3","8","1") = "7"
    & skf18("7","8","8","8","3","9","1") = "8"
    & skf18("7","8","8","8","3","10","1") = "9"
    & skf18("7","8","8","8","4","1","1") = "7"
    & skf18("7","8","8","8","4","2","1") = "7"
    & skf18("7","8","8","8","4","3","1") = "7"
    & skf18("7","8","8","8","4","4","1") = "7"
    & skf18("7","8","8","8","4","5","1") = "7"
    & skf18("7","8","8","8","4","6","1") = "7"
    & skf18("7","8","8","8","4","7","1") = "7"
    & skf18("7","8","8","8","4","8","1") = "7"
    & skf18("7","8","8","8","4","9","1") = "8"
    & skf18("7","8","8","8","4","10","1") = "9"
    & skf18("7","8","8","8","5","1","1") = "7"
    & skf18("7","8","8","8","5","2","1") = "7"
    & skf18("7","8","8","8","5","3","1") = "7"
    & skf18("7","8","8","8","5","4","1") = "7"
    & skf18("7","8","8","8","5","5","1") = "7"
    & skf18("7","8","8","8","5","6","1") = "7"
    & skf18("7","8","8","8","5","7","1") = "7"
    & skf18("7","8","8","8","5","8","1") = "7"
    & skf18("7","8","8","8","5","9","1") = "8"
    & skf18("7","8","8","8","5","10","1") = "9"
    & skf18("7","8","8","8","6","1","1") = "7"
    & skf18("7","8","8","8","6","2","1") = "7"
    & skf18("7","8","8","8","6","3","1") = "7"
    & skf18("7","8","8","8","6","4","1") = "7"
    & skf18("7","8","8","8","6","5","1") = "7"
    & skf18("7","8","8","8","6","6","1") = "7"
    & skf18("7","8","8","8","6","7","1") = "7"
    & skf18("7","8","8","8","6","8","1") = "7"
    & skf18("7","8","8","8","6","9","1") = "8"
    & skf18("7","8","8","8","6","10","1") = "9"
    & skf18("7","8","8","8","7","1","1") = "7"
    & skf18("7","8","8","8","7","2","1") = "7"
    & skf18("7","8","8","8","7","3","1") = "7"
    & skf18("7","8","8","8","7","4","1") = "7"
    & skf18("7","8","8","8","7","5","1") = "7"
    & skf18("7","8","8","8","7","6","1") = "7"
    & skf18("7","8","8","8","7","7","1") = "7"
    & skf18("7","8","8","8","7","8","1") = "7"
    & skf18("7","8","8","8","7","9","1") = "8"
    & skf18("7","8","8","8","7","10","1") = "9"
    & skf18("7","8","8","8","8","1","1") = "7"
    & skf18("7","8","8","8","8","2","1") = "7"
    & skf18("7","8","8","8","8","3","1") = "7"
    & skf18("7","8","8","8","8","4","1") = "7"
    & skf18("7","8","8","8","8","5","1") = "7"
    & skf18("7","8","8","8","8","6","1") = "7"
    & skf18("7","8","8","8","8","7","1") = "7"
    & skf18("7","8","8","8","8","8","1") = "7"
    & skf18("7","8","8","8","8","9","1") = "8"
    & skf18("7","8","8","8","8","10","1") = "9"
    & skf18("7","8","8","8","9","1","1") = "8"
    & skf18("7","8","8","8","9","2","1") = "8"
    & skf18("7","8","8","8","9","3","1") = "8"
    & skf18("7","8","8","8","9","4","1") = "8"
    & skf18("7","8","8","8","9","5","1") = "8"
    & skf18("7","8","8","8","9","6","1") = "8"
    & skf18("7","8","8","8","9","7","1") = "8"
    & skf18("7","8","8","8","9","8","1") = "8"
    & skf18("7","8","8","8","9","9","1") = "8"
    & skf18("7","8","8","8","9","10","1") = "9"
    & skf18("7","8","8","8","10","1","1") = "9"
    & skf18("7","8","8","8","10","2","1") = "9"
    & skf18("7","8","8","8","10","3","1") = "9"
    & skf18("7","8","8","8","10","4","1") = "9"
    & skf18("7","8","8","8","10","5","1") = "9"
    & skf18("7","8","8","8","10","6","1") = "9"
    & skf18("7","8","8","8","10","7","1") = "9"
    & skf18("7","8","8","8","10","8","1") = "9"
    & skf18("7","8","8","8","10","9","1") = "9"
    & skf18("7","8","8","8","10","10","1") = "9"
    & skf18("7","8","8","9","1","1","1") = "8"
    & skf18("7","8","8","9","1","2","1") = "8"
    & skf18("7","8","8","9","1","3","1") = "8"
    & skf18("7","8","8","9","1","4","1") = "8"
    & skf18("7","8","8","9","1","5","1") = "8"
    & skf18("7","8","8","9","1","6","1") = "8"
    & skf18("7","8","8","9","1","7","1") = "8"
    & skf18("7","8","8","9","1","8","1") = "8"
    & skf18("7","8","8","9","1","9","1") = "8"
    & skf18("7","8","8","9","1","10","1") = "9"
    & skf18("7","8","8","9","2","1","1") = "8"
    & skf18("7","8","8","9","2","2","1") = "8"
    & skf18("7","8","8","9","2","3","1") = "8"
    & skf18("7","8","8","9","2","4","1") = "8"
    & skf18("7","8","8","9","2","5","1") = "8"
    & skf18("7","8","8","9","2","6","1") = "8"
    & skf18("7","8","8","9","2","7","1") = "8"
    & skf18("7","8","8","9","2","8","1") = "8"
    & skf18("7","8","8","9","2","9","1") = "8"
    & skf18("7","8","8","9","2","10","1") = "9"
    & skf18("7","8","8","9","3","1","1") = "8"
    & skf18("7","8","8","9","3","2","1") = "8"
    & skf18("7","8","8","9","3","3","1") = "8"
    & skf18("7","8","8","9","3","4","1") = "8"
    & skf18("7","8","8","9","3","5","1") = "8"
    & skf18("7","8","8","9","3","6","1") = "8"
    & skf18("7","8","8","9","3","7","1") = "8"
    & skf18("7","8","8","9","3","8","1") = "8"
    & skf18("7","8","8","9","3","9","1") = "8"
    & skf18("7","8","8","9","3","10","1") = "9"
    & skf18("7","8","8","9","4","1","1") = "8"
    & skf18("7","8","8","9","4","2","1") = "8"
    & skf18("7","8","8","9","4","3","1") = "8"
    & skf18("7","8","8","9","4","4","1") = "8"
    & skf18("7","8","8","9","4","5","1") = "8"
    & skf18("7","8","8","9","4","6","1") = "8"
    & skf18("7","8","8","9","4","7","1") = "8"
    & skf18("7","8","8","9","4","8","1") = "8"
    & skf18("7","8","8","9","4","9","1") = "8"
    & skf18("7","8","8","9","4","10","1") = "9"
    & skf18("7","8","8","9","5","1","1") = "8"
    & skf18("7","8","8","9","5","2","1") = "8"
    & skf18("7","8","8","9","5","3","1") = "8"
    & skf18("7","8","8","9","5","4","1") = "8"
    & skf18("7","8","8","9","5","5","1") = "8"
    & skf18("7","8","8","9","5","6","1") = "8"
    & skf18("7","8","8","9","5","7","1") = "8"
    & skf18("7","8","8","9","5","8","1") = "8"
    & skf18("7","8","8","9","5","9","1") = "8"
    & skf18("7","8","8","9","5","10","1") = "9"
    & skf18("7","8","8","9","6","1","1") = "8"
    & skf18("7","8","8","9","6","2","1") = "8"
    & skf18("7","8","8","9","6","3","1") = "8"
    & skf18("7","8","8","9","6","4","1") = "8"
    & skf18("7","8","8","9","6","5","1") = "8"
    & skf18("7","8","8","9","6","6","1") = "8"
    & skf18("7","8","8","9","6","7","1") = "8"
    & skf18("7","8","8","9","6","8","1") = "8"
    & skf18("7","8","8","9","6","9","1") = "8"
    & skf18("7","8","8","9","6","10","1") = "9"
    & skf18("7","8","8","9","7","1","1") = "8"
    & skf18("7","8","8","9","7","2","1") = "8"
    & skf18("7","8","8","9","7","3","1") = "8"
    & skf18("7","8","8","9","7","4","1") = "8"
    & skf18("7","8","8","9","7","5","1") = "8"
    & skf18("7","8","8","9","7","6","1") = "8"
    & skf18("7","8","8","9","7","7","1") = "8"
    & skf18("7","8","8","9","7","8","1") = "8"
    & skf18("7","8","8","9","7","9","1") = "8"
    & skf18("7","8","8","9","7","10","1") = "9"
    & skf18("7","8","8","9","8","1","1") = "8"
    & skf18("7","8","8","9","8","2","1") = "8"
    & skf18("7","8","8","9","8","3","1") = "8"
    & skf18("7","8","8","9","8","4","1") = "8"
    & skf18("7","8","8","9","8","5","1") = "8"
    & skf18("7","8","8","9","8","6","1") = "8"
    & skf18("7","8","8","9","8","7","1") = "8"
    & skf18("7","8","8","9","8","8","1") = "8"
    & skf18("7","8","8","9","8","9","1") = "8"
    & skf18("7","8","8","9","8","10","1") = "9"
    & skf18("7","8","8","9","9","1","1") = "8"
    & skf18("7","8","8","9","9","2","1") = "8"
    & skf18("7","8","8","9","9","3","1") = "8"
    & skf18("7","8","8","9","9","4","1") = "8"
    & skf18("7","8","8","9","9","5","1") = "8"
    & skf18("7","8","8","9","9","6","1") = "8"
    & skf18("7","8","8","9","9","7","1") = "8"
    & skf18("7","8","8","9","9","8","1") = "8"
    & skf18("7","8","8","9","9","9","1") = "8"
    & skf18("7","8","8","9","9","10","1") = "9"
    & skf18("7","8","8","9","10","1","1") = "9"
    & skf18("7","8","8","9","10","2","1") = "9"
    & skf18("7","8","8","9","10","3","1") = "9"
    & skf18("7","8","8","9","10","4","1") = "9"
    & skf18("7","8","8","9","10","5","1") = "9"
    & skf18("7","8","8","9","10","6","1") = "9"
    & skf18("7","8","8","9","10","7","1") = "9"
    & skf18("7","8","8","9","10","8","1") = "9"
    & skf18("7","8","8","9","10","9","1") = "9"
    & skf18("7","8","8","9","10","10","1") = "9"
    & skf18("7","8","8","10","1","1","1") = "9"
    & skf18("7","8","8","10","1","2","1") = "9"
    & skf18("7","8","8","10","1","3","1") = "9"
    & skf18("7","8","8","10","1","4","1") = "9"
    & skf18("7","8","8","10","1","5","1") = "9"
    & skf18("7","8","8","10","1","6","1") = "9"
    & skf18("7","8","8","10","1","7","1") = "9"
    & skf18("7","8","8","10","1","8","1") = "9"
    & skf18("7","8","8","10","1","9","1") = "9"
    & skf18("7","8","8","10","1","10","1") = "9"
    & skf18("7","8","8","10","2","1","1") = "9"
    & skf18("7","8","8","10","2","2","1") = "9"
    & skf18("7","8","8","10","2","3","1") = "9"
    & skf18("7","8","8","10","2","4","1") = "9"
    & skf18("7","8","8","10","2","5","1") = "9"
    & skf18("7","8","8","10","2","6","1") = "9"
    & skf18("7","8","8","10","2","7","1") = "9"
    & skf18("7","8","8","10","2","8","1") = "9"
    & skf18("7","8","8","10","2","9","1") = "9"
    & skf18("7","8","8","10","2","10","1") = "9"
    & skf18("7","8","8","10","3","1","1") = "9"
    & skf18("7","8","8","10","3","2","1") = "9"
    & skf18("7","8","8","10","3","3","1") = "9"
    & skf18("7","8","8","10","3","4","1") = "9"
    & skf18("7","8","8","10","3","5","1") = "9"
    & skf18("7","8","8","10","3","6","1") = "9"
    & skf18("7","8","8","10","3","7","1") = "9"
    & skf18("7","8","8","10","3","8","1") = "9"
    & skf18("7","8","8","10","3","9","1") = "9"
    & skf18("7","8","8","10","3","10","1") = "9"
    & skf18("7","8","8","10","4","1","1") = "9"
    & skf18("7","8","8","10","4","2","1") = "9"
    & skf18("7","8","8","10","4","3","1") = "9"
    & skf18("7","8","8","10","4","4","1") = "9"
    & skf18("7","8","8","10","4","5","1") = "9"
    & skf18("7","8","8","10","4","6","1") = "9"
    & skf18("7","8","8","10","4","7","1") = "9"
    & skf18("7","8","8","10","4","8","1") = "9"
    & skf18("7","8","8","10","4","9","1") = "9"
    & skf18("7","8","8","10","4","10","1") = "9"
    & skf18("7","8","8","10","5","1","1") = "9"
    & skf18("7","8","8","10","5","2","1") = "9"
    & skf18("7","8","8","10","5","3","1") = "9"
    & skf18("7","8","8","10","5","4","1") = "9"
    & skf18("7","8","8","10","5","5","1") = "9"
    & skf18("7","8","8","10","5","6","1") = "9"
    & skf18("7","8","8","10","5","7","1") = "9"
    & skf18("7","8","8","10","5","8","1") = "9"
    & skf18("7","8","8","10","5","9","1") = "9"
    & skf18("7","8","8","10","5","10","1") = "9"
    & skf18("7","8","8","10","6","1","1") = "9"
    & skf18("7","8","8","10","6","2","1") = "9"
    & skf18("7","8","8","10","6","3","1") = "9"
    & skf18("7","8","8","10","6","4","1") = "9"
    & skf18("7","8","8","10","6","5","1") = "9"
    & skf18("7","8","8","10","6","6","1") = "9"
    & skf18("7","8","8","10","6","7","1") = "9"
    & skf18("7","8","8","10","6","8","1") = "9"
    & skf18("7","8","8","10","6","9","1") = "9"
    & skf18("7","8","8","10","6","10","1") = "9"
    & skf18("7","8","8","10","7","1","1") = "9"
    & skf18("7","8","8","10","7","2","1") = "9"
    & skf18("7","8","8","10","7","3","1") = "9"
    & skf18("7","8","8","10","7","4","1") = "9"
    & skf18("7","8","8","10","7","5","1") = "9"
    & skf18("7","8","8","10","7","6","1") = "9"
    & skf18("7","8","8","10","7","7","1") = "9"
    & skf18("7","8","8","10","7","8","1") = "9"
    & skf18("7","8","8","10","7","9","1") = "9"
    & skf18("7","8","8","10","7","10","1") = "9"
    & skf18("7","8","8","10","8","1","1") = "9"
    & skf18("7","8","8","10","8","2","1") = "9"
    & skf18("7","8","8","10","8","3","1") = "9"
    & skf18("7","8","8","10","8","4","1") = "9"
    & skf18("7","8","8","10","8","5","1") = "9"
    & skf18("7","8","8","10","8","6","1") = "9"
    & skf18("7","8","8","10","8","7","1") = "9"
    & skf18("7","8","8","10","8","8","1") = "9"
    & skf18("7","8","8","10","8","9","1") = "9"
    & skf18("7","8","8","10","8","10","1") = "9"
    & skf18("7","8","8","10","9","1","1") = "9"
    & skf18("7","8","8","10","9","2","1") = "9"
    & skf18("7","8","8","10","9","3","1") = "9"
    & skf18("7","8","8","10","9","4","1") = "9"
    & skf18("7","8","8","10","9","5","1") = "9"
    & skf18("7","8","8","10","9","6","1") = "9"
    & skf18("7","8","8","10","9","7","1") = "9"
    & skf18("7","8","8","10","9","8","1") = "9"
    & skf18("7","8","8","10","9","9","1") = "9"
    & skf18("7","8","8","10","9","10","1") = "9"
    & skf18("7","8","8","10","10","1","1") = "9"
    & skf18("7","8","8","10","10","2","1") = "9"
    & skf18("7","8","8","10","10","3","1") = "9"
    & skf18("7","8","8","10","10","4","1") = "9"
    & skf18("7","8","8","10","10","5","1") = "9"
    & skf18("7","8","8","10","10","6","1") = "9"
    & skf18("7","8","8","10","10","7","1") = "9"
    & skf18("7","8","8","10","10","8","1") = "9"
    & skf18("7","8","8","10","10","9","1") = "9"
    & skf18("7","8","8","10","10","10","1") = "9"
    & skf18("7","8","9","1","1","1","1") = "8"
    & skf18("7","8","9","1","1","2","1") = "8"
    & skf18("7","8","9","1","1","3","1") = "8"
    & skf18("7","8","9","1","1","4","1") = "8"
    & skf18("7","8","9","1","1","5","1") = "8"
    & skf18("7","8","9","1","1","6","1") = "8"
    & skf18("7","8","9","1","1","7","1") = "8"
    & skf18("7","8","9","1","1","8","1") = "8"
    & skf18("7","8","9","1","1","9","1") = "8"
    & skf18("7","8","9","1","1","10","1") = "9"
    & skf18("7","8","9","1","2","1","1") = "8"
    & skf18("7","8","9","1","2","2","1") = "8"
    & skf18("7","8","9","1","2","3","1") = "8"
    & skf18("7","8","9","1","2","4","1") = "8"
    & skf18("7","8","9","1","2","5","1") = "8"
    & skf18("7","8","9","1","2","6","1") = "8"
    & skf18("7","8","9","1","2","7","1") = "8"
    & skf18("7","8","9","1","2","8","1") = "8"
    & skf18("7","8","9","1","2","9","1") = "8"
    & skf18("7","8","9","1","2","10","1") = "9"
    & skf18("7","8","9","1","3","1","1") = "8"
    & skf18("7","8","9","1","3","2","1") = "8"
    & skf18("7","8","9","1","3","3","1") = "8"
    & skf18("7","8","9","1","3","4","1") = "8"
    & skf18("7","8","9","1","3","5","1") = "8"
    & skf18("7","8","9","1","3","6","1") = "8"
    & skf18("7","8","9","1","3","7","1") = "8"
    & skf18("7","8","9","1","3","8","1") = "8"
    & skf18("7","8","9","1","3","9","1") = "8"
    & skf18("7","8","9","1","3","10","1") = "9"
    & skf18("7","8","9","1","4","1","1") = "8"
    & skf18("7","8","9","1","4","2","1") = "8"
    & skf18("7","8","9","1","4","3","1") = "8"
    & skf18("7","8","9","1","4","4","1") = "8"
    & skf18("7","8","9","1","4","5","1") = "8"
    & skf18("7","8","9","1","4","6","1") = "8"
    & skf18("7","8","9","1","4","7","1") = "8"
    & skf18("7","8","9","1","4","8","1") = "8"
    & skf18("7","8","9","1","4","9","1") = "8"
    & skf18("7","8","9","1","4","10","1") = "9"
    & skf18("7","8","9","1","5","1","1") = "8"
    & skf18("7","8","9","1","5","2","1") = "8"
    & skf18("7","8","9","1","5","3","1") = "8"
    & skf18("7","8","9","1","5","4","1") = "8"
    & skf18("7","8","9","1","5","5","1") = "8"
    & skf18("7","8","9","1","5","6","1") = "8"
    & skf18("7","8","9","1","5","7","1") = "8"
    & skf18("7","8","9","1","5","8","1") = "8"
    & skf18("7","8","9","1","5","9","1") = "8"
    & skf18("7","8","9","1","5","10","1") = "9"
    & skf18("7","8","9","1","6","1","1") = "8"
    & skf18("7","8","9","1","6","2","1") = "8"
    & skf18("7","8","9","1","6","3","1") = "8"
    & skf18("7","8","9","1","6","4","1") = "8"
    & skf18("7","8","9","1","6","5","1") = "8"
    & skf18("7","8","9","1","6","6","1") = "8"
    & skf18("7","8","9","1","6","7","1") = "8"
    & skf18("7","8","9","1","6","8","1") = "8"
    & skf18("7","8","9","1","6","9","1") = "8"
    & skf18("7","8","9","1","6","10","1") = "9"
    & skf18("7","8","9","1","7","1","1") = "8"
    & skf18("7","8","9","1","7","2","1") = "8"
    & skf18("7","8","9","1","7","3","1") = "8"
    & skf18("7","8","9","1","7","4","1") = "8"
    & skf18("7","8","9","1","7","5","1") = "8"
    & skf18("7","8","9","1","7","6","1") = "8"
    & skf18("7","8","9","1","7","7","1") = "8"
    & skf18("7","8","9","1","7","8","1") = "8"
    & skf18("7","8","9","1","7","9","1") = "8"
    & skf18("7","8","9","1","7","10","1") = "9"
    & skf18("7","8","9","1","8","1","1") = "8"
    & skf18("7","8","9","1","8","2","1") = "8"
    & skf18("7","8","9","1","8","3","1") = "8"
    & skf18("7","8","9","1","8","4","1") = "8"
    & skf18("7","8","9","1","8","5","1") = "8"
    & skf18("7","8","9","1","8","6","1") = "8"
    & skf18("7","8","9","1","8","7","1") = "8"
    & skf18("7","8","9","1","8","8","1") = "8"
    & skf18("7","8","9","1","8","9","1") = "8"
    & skf18("7","8","9","1","8","10","1") = "9"
    & skf18("7","8","9","1","9","1","1") = "8"
    & skf18("7","8","9","1","9","2","1") = "8"
    & skf18("7","8","9","1","9","3","1") = "8"
    & skf18("7","8","9","1","9","4","1") = "8"
    & skf18("7","8","9","1","9","5","1") = "8"
    & skf18("7","8","9","1","9","6","1") = "8"
    & skf18("7","8","9","1","9","7","1") = "8"
    & skf18("7","8","9","1","9","8","1") = "8"
    & skf18("7","8","9","1","9","9","1") = "8"
    & skf18("7","8","9","1","9","10","1") = "9"
    & skf18("7","8","9","1","10","1","1") = "9"
    & skf18("7","8","9","1","10","2","1") = "9"
    & skf18("7","8","9","1","10","3","1") = "9"
    & skf18("7","8","9","1","10","4","1") = "9"
    & skf18("7","8","9","1","10","5","1") = "9"
    & skf18("7","8","9","1","10","6","1") = "9"
    & skf18("7","8","9","1","10","7","1") = "9"
    & skf18("7","8","9","1","10","8","1") = "9"
    & skf18("7","8","9","1","10","9","1") = "9"
    & skf18("7","8","9","1","10","10","1") = "9"
    & skf18("7","8","9","2","1","1","1") = "8"
    & skf18("7","8","9","2","1","2","1") = "8"
    & skf18("7","8","9","2","1","3","1") = "8"
    & skf18("7","8","9","2","1","4","1") = "8"
    & skf18("7","8","9","2","1","5","1") = "8"
    & skf18("7","8","9","2","1","6","1") = "8"
    & skf18("7","8","9","2","1","7","1") = "8"
    & skf18("7","8","9","2","1","8","1") = "8"
    & skf18("7","8","9","2","1","9","1") = "8"
    & skf18("7","8","9","2","1","10","1") = "9"
    & skf18("7","8","9","2","2","1","1") = "8"
    & skf18("7","8","9","2","2","2","1") = "8"
    & skf18("7","8","9","2","2","3","1") = "8"
    & skf18("7","8","9","2","2","4","1") = "8"
    & skf18("7","8","9","2","2","5","1") = "8"
    & skf18("7","8","9","2","2","6","1") = "8"
    & skf18("7","8","9","2","2","7","1") = "8"
    & skf18("7","8","9","2","2","8","1") = "8"
    & skf18("7","8","9","2","2","9","1") = "8"
    & skf18("7","8","9","2","2","10","1") = "9"
    & skf18("7","8","9","2","3","1","1") = "8"
    & skf18("7","8","9","2","3","2","1") = "8"
    & skf18("7","8","9","2","3","3","1") = "8"
    & skf18("7","8","9","2","3","4","1") = "8"
    & skf18("7","8","9","2","3","5","1") = "8"
    & skf18("7","8","9","2","3","6","1") = "8"
    & skf18("7","8","9","2","3","7","1") = "8"
    & skf18("7","8","9","2","3","8","1") = "8"
    & skf18("7","8","9","2","3","9","1") = "8"
    & skf18("7","8","9","2","3","10","1") = "9"
    & skf18("7","8","9","2","4","1","1") = "8"
    & skf18("7","8","9","2","4","2","1") = "8"
    & skf18("7","8","9","2","4","3","1") = "8"
    & skf18("7","8","9","2","4","4","1") = "8"
    & skf18("7","8","9","2","4","5","1") = "8"
    & skf18("7","8","9","2","4","6","1") = "8"
    & skf18("7","8","9","2","4","7","1") = "8"
    & skf18("7","8","9","2","4","8","1") = "8"
    & skf18("7","8","9","2","4","9","1") = "8"
    & skf18("7","8","9","2","4","10","1") = "9"
    & skf18("7","8","9","2","5","1","1") = "8"
    & skf18("7","8","9","2","5","2","1") = "8"
    & skf18("7","8","9","2","5","3","1") = "8"
    & skf18("7","8","9","2","5","4","1") = "8"
    & skf18("7","8","9","2","5","5","1") = "8"
    & skf18("7","8","9","2","5","6","1") = "8"
    & skf18("7","8","9","2","5","7","1") = "8"
    & skf18("7","8","9","2","5","8","1") = "8"
    & skf18("7","8","9","2","5","9","1") = "8"
    & skf18("7","8","9","2","5","10","1") = "9"
    & skf18("7","8","9","2","6","1","1") = "8"
    & skf18("7","8","9","2","6","2","1") = "8"
    & skf18("7","8","9","2","6","3","1") = "8"
    & skf18("7","8","9","2","6","4","1") = "8"
    & skf18("7","8","9","2","6","5","1") = "8"
    & skf18("7","8","9","2","6","6","1") = "8"
    & skf18("7","8","9","2","6","7","1") = "8"
    & skf18("7","8","9","2","6","8","1") = "8"
    & skf18("7","8","9","2","6","9","1") = "8"
    & skf18("7","8","9","2","6","10","1") = "9"
    & skf18("7","8","9","2","7","1","1") = "8"
    & skf18("7","8","9","2","7","2","1") = "8"
    & skf18("7","8","9","2","7","3","1") = "8"
    & skf18("7","8","9","2","7","4","1") = "8"
    & skf18("7","8","9","2","7","5","1") = "8"
    & skf18("7","8","9","2","7","6","1") = "8"
    & skf18("7","8","9","2","7","7","1") = "8"
    & skf18("7","8","9","2","7","8","1") = "8"
    & skf18("7","8","9","2","7","9","1") = "8"
    & skf18("7","8","9","2","7","10","1") = "9"
    & skf18("7","8","9","2","8","1","1") = "8"
    & skf18("7","8","9","2","8","2","1") = "8"
    & skf18("7","8","9","2","8","3","1") = "8"
    & skf18("7","8","9","2","8","4","1") = "8"
    & skf18("7","8","9","2","8","5","1") = "8"
    & skf18("7","8","9","2","8","6","1") = "8"
    & skf18("7","8","9","2","8","7","1") = "8"
    & skf18("7","8","9","2","8","8","1") = "8"
    & skf18("7","8","9","2","8","9","1") = "8"
    & skf18("7","8","9","2","8","10","1") = "9"
    & skf18("7","8","9","2","9","1","1") = "8"
    & skf18("7","8","9","2","9","2","1") = "8"
    & skf18("7","8","9","2","9","3","1") = "8"
    & skf18("7","8","9","2","9","4","1") = "8"
    & skf18("7","8","9","2","9","5","1") = "8"
    & skf18("7","8","9","2","9","6","1") = "8"
    & skf18("7","8","9","2","9","7","1") = "8"
    & skf18("7","8","9","2","9","8","1") = "8"
    & skf18("7","8","9","2","9","9","1") = "8"
    & skf18("7","8","9","2","9","10","1") = "9"
    & skf18("7","8","9","2","10","1","1") = "9"
    & skf18("7","8","9","2","10","2","1") = "9"
    & skf18("7","8","9","2","10","3","1") = "9"
    & skf18("7","8","9","2","10","4","1") = "9"
    & skf18("7","8","9","2","10","5","1") = "9"
    & skf18("7","8","9","2","10","6","1") = "9"
    & skf18("7","8","9","2","10","7","1") = "9"
    & skf18("7","8","9","2","10","8","1") = "9"
    & skf18("7","8","9","2","10","9","1") = "9"
    & skf18("7","8","9","2","10","10","1") = "9"
    & skf18("7","8","9","3","1","1","1") = "8"
    & skf18("7","8","9","3","1","2","1") = "8"
    & skf18("7","8","9","3","1","3","1") = "8"
    & skf18("7","8","9","3","1","4","1") = "8"
    & skf18("7","8","9","3","1","5","1") = "8"
    & skf18("7","8","9","3","1","6","1") = "8"
    & skf18("7","8","9","3","1","7","1") = "8"
    & skf18("7","8","9","3","1","8","1") = "8"
    & skf18("7","8","9","3","1","9","1") = "8"
    & skf18("7","8","9","3","1","10","1") = "9"
    & skf18("7","8","9","3","2","1","1") = "8"
    & skf18("7","8","9","3","2","2","1") = "8"
    & skf18("7","8","9","3","2","3","1") = "8"
    & skf18("7","8","9","3","2","4","1") = "8"
    & skf18("7","8","9","3","2","5","1") = "8"
    & skf18("7","8","9","3","2","6","1") = "8"
    & skf18("7","8","9","3","2","7","1") = "8"
    & skf18("7","8","9","3","2","8","1") = "8"
    & skf18("7","8","9","3","2","9","1") = "8"
    & skf18("7","8","9","3","2","10","1") = "9"
    & skf18("7","8","9","3","3","1","1") = "8"
    & skf18("7","8","9","3","3","2","1") = "8"
    & skf18("7","8","9","3","3","3","1") = "8"
    & skf18("7","8","9","3","3","4","1") = "8"
    & skf18("7","8","9","3","3","5","1") = "8"
    & skf18("7","8","9","3","3","6","1") = "8"
    & skf18("7","8","9","3","3","7","1") = "8"
    & skf18("7","8","9","3","3","8","1") = "8"
    & skf18("7","8","9","3","3","9","1") = "8"
    & skf18("7","8","9","3","3","10","1") = "9"
    & skf18("7","8","9","3","4","1","1") = "8"
    & skf18("7","8","9","3","4","2","1") = "8"
    & skf18("7","8","9","3","4","3","1") = "8"
    & skf18("7","8","9","3","4","4","1") = "8"
    & skf18("7","8","9","3","4","5","1") = "8"
    & skf18("7","8","9","3","4","6","1") = "8"
    & skf18("7","8","9","3","4","7","1") = "8"
    & skf18("7","8","9","3","4","8","1") = "8"
    & skf18("7","8","9","3","4","9","1") = "8"
    & skf18("7","8","9","3","4","10","1") = "9"
    & skf18("7","8","9","3","5","1","1") = "8"
    & skf18("7","8","9","3","5","2","1") = "8"
    & skf18("7","8","9","3","5","3","1") = "8"
    & skf18("7","8","9","3","5","4","1") = "8"
    & skf18("7","8","9","3","5","5","1") = "8"
    & skf18("7","8","9","3","5","6","1") = "8"
    & skf18("7","8","9","3","5","7","1") = "8"
    & skf18("7","8","9","3","5","8","1") = "8"
    & skf18("7","8","9","3","5","9","1") = "8"
    & skf18("7","8","9","3","5","10","1") = "9"
    & skf18("7","8","9","3","6","1","1") = "8"
    & skf18("7","8","9","3","6","2","1") = "8"
    & skf18("7","8","9","3","6","3","1") = "8"
    & skf18("7","8","9","3","6","4","1") = "8"
    & skf18("7","8","9","3","6","5","1") = "8"
    & skf18("7","8","9","3","6","6","1") = "8"
    & skf18("7","8","9","3","6","7","1") = "8"
    & skf18("7","8","9","3","6","8","1") = "8"
    & skf18("7","8","9","3","6","9","1") = "8"
    & skf18("7","8","9","3","6","10","1") = "9"
    & skf18("7","8","9","3","7","1","1") = "8"
    & skf18("7","8","9","3","7","2","1") = "8"
    & skf18("7","8","9","3","7","3","1") = "8"
    & skf18("7","8","9","3","7","4","1") = "8"
    & skf18("7","8","9","3","7","5","1") = "8"
    & skf18("7","8","9","3","7","6","1") = "8"
    & skf18("7","8","9","3","7","7","1") = "8"
    & skf18("7","8","9","3","7","8","1") = "8"
    & skf18("7","8","9","3","7","9","1") = "8"
    & skf18("7","8","9","3","7","10","1") = "9"
    & skf18("7","8","9","3","8","1","1") = "8"
    & skf18("7","8","9","3","8","2","1") = "8"
    & skf18("7","8","9","3","8","3","1") = "8"
    & skf18("7","8","9","3","8","4","1") = "8"
    & skf18("7","8","9","3","8","5","1") = "8"
    & skf18("7","8","9","3","8","6","1") = "8"
    & skf18("7","8","9","3","8","7","1") = "8"
    & skf18("7","8","9","3","8","8","1") = "8"
    & skf18("7","8","9","3","8","9","1") = "8"
    & skf18("7","8","9","3","8","10","1") = "9"
    & skf18("7","8","9","3","9","1","1") = "8"
    & skf18("7","8","9","3","9","2","1") = "8"
    & skf18("7","8","9","3","9","3","1") = "8"
    & skf18("7","8","9","3","9","4","1") = "8"
    & skf18("7","8","9","3","9","5","1") = "8"
    & skf18("7","8","9","3","9","6","1") = "8"
    & skf18("7","8","9","3","9","7","1") = "8"
    & skf18("7","8","9","3","9","8","1") = "8"
    & skf18("7","8","9","3","9","9","1") = "8"
    & skf18("7","8","9","3","9","10","1") = "9"
    & skf18("7","8","9","3","10","1","1") = "9"
    & skf18("7","8","9","3","10","2","1") = "9"
    & skf18("7","8","9","3","10","3","1") = "9"
    & skf18("7","8","9","3","10","4","1") = "9"
    & skf18("7","8","9","3","10","5","1") = "9"
    & skf18("7","8","9","3","10","6","1") = "9"
    & skf18("7","8","9","3","10","7","1") = "9"
    & skf18("7","8","9","3","10","8","1") = "9"
    & skf18("7","8","9","3","10","9","1") = "9"
    & skf18("7","8","9","3","10","10","1") = "9"
    & skf18("7","8","9","4","1","1","1") = "8"
    & skf18("7","8","9","4","1","2","1") = "8"
    & skf18("7","8","9","4","1","3","1") = "8"
    & skf18("7","8","9","4","1","4","1") = "8"
    & skf18("7","8","9","4","1","5","1") = "8"
    & skf18("7","8","9","4","1","6","1") = "8"
    & skf18("7","8","9","4","1","7","1") = "8"
    & skf18("7","8","9","4","1","8","1") = "8"
    & skf18("7","8","9","4","1","9","1") = "8"
    & skf18("7","8","9","4","1","10","1") = "9"
    & skf18("7","8","9","4","2","1","1") = "8"
    & skf18("7","8","9","4","2","2","1") = "8"
    & skf18("7","8","9","4","2","3","1") = "8"
    & skf18("7","8","9","4","2","4","1") = "8"
    & skf18("7","8","9","4","2","5","1") = "8"
    & skf18("7","8","9","4","2","6","1") = "8"
    & skf18("7","8","9","4","2","7","1") = "8"
    & skf18("7","8","9","4","2","8","1") = "8"
    & skf18("7","8","9","4","2","9","1") = "8"
    & skf18("7","8","9","4","2","10","1") = "9"
    & skf18("7","8","9","4","3","1","1") = "8"
    & skf18("7","8","9","4","3","2","1") = "8"
    & skf18("7","8","9","4","3","3","1") = "8"
    & skf18("7","8","9","4","3","4","1") = "8"
    & skf18("7","8","9","4","3","5","1") = "8"
    & skf18("7","8","9","4","3","6","1") = "8"
    & skf18("7","8","9","4","3","7","1") = "8"
    & skf18("7","8","9","4","3","8","1") = "8"
    & skf18("7","8","9","4","3","9","1") = "8"
    & skf18("7","8","9","4","3","10","1") = "9"
    & skf18("7","8","9","4","4","1","1") = "8"
    & skf18("7","8","9","4","4","2","1") = "8"
    & skf18("7","8","9","4","4","3","1") = "8"
    & skf18("7","8","9","4","4","4","1") = "8"
    & skf18("7","8","9","4","4","5","1") = "8"
    & skf18("7","8","9","4","4","6","1") = "8"
    & skf18("7","8","9","4","4","7","1") = "8"
    & skf18("7","8","9","4","4","8","1") = "8"
    & skf18("7","8","9","4","4","9","1") = "8"
    & skf18("7","8","9","4","4","10","1") = "9"
    & skf18("7","8","9","4","5","1","1") = "8"
    & skf18("7","8","9","4","5","2","1") = "8"
    & skf18("7","8","9","4","5","3","1") = "8"
    & skf18("7","8","9","4","5","4","1") = "8"
    & skf18("7","8","9","4","5","5","1") = "8"
    & skf18("7","8","9","4","5","6","1") = "8"
    & skf18("7","8","9","4","5","7","1") = "8"
    & skf18("7","8","9","4","5","8","1") = "8"
    & skf18("7","8","9","4","5","9","1") = "8"
    & skf18("7","8","9","4","5","10","1") = "9"
    & skf18("7","8","9","4","6","1","1") = "8"
    & skf18("7","8","9","4","6","2","1") = "8"
    & skf18("7","8","9","4","6","3","1") = "8"
    & skf18("7","8","9","4","6","4","1") = "8"
    & skf18("7","8","9","4","6","5","1") = "8"
    & skf18("7","8","9","4","6","6","1") = "8"
    & skf18("7","8","9","4","6","7","1") = "8"
    & skf18("7","8","9","4","6","8","1") = "8"
    & skf18("7","8","9","4","6","9","1") = "8"
    & skf18("7","8","9","4","6","10","1") = "9"
    & skf18("7","8","9","4","7","1","1") = "8"
    & skf18("7","8","9","4","7","2","1") = "8"
    & skf18("7","8","9","4","7","3","1") = "8"
    & skf18("7","8","9","4","7","4","1") = "8"
    & skf18("7","8","9","4","7","5","1") = "8"
    & skf18("7","8","9","4","7","6","1") = "8"
    & skf18("7","8","9","4","7","7","1") = "8"
    & skf18("7","8","9","4","7","8","1") = "8"
    & skf18("7","8","9","4","7","9","1") = "8"
    & skf18("7","8","9","4","7","10","1") = "9"
    & skf18("7","8","9","4","8","1","1") = "8"
    & skf18("7","8","9","4","8","2","1") = "8"
    & skf18("7","8","9","4","8","3","1") = "8"
    & skf18("7","8","9","4","8","4","1") = "8"
    & skf18("7","8","9","4","8","5","1") = "8"
    & skf18("7","8","9","4","8","6","1") = "8"
    & skf18("7","8","9","4","8","7","1") = "8"
    & skf18("7","8","9","4","8","8","1") = "8"
    & skf18("7","8","9","4","8","9","1") = "8"
    & skf18("7","8","9","4","8","10","1") = "9"
    & skf18("7","8","9","4","9","1","1") = "8"
    & skf18("7","8","9","4","9","2","1") = "8"
    & skf18("7","8","9","4","9","3","1") = "8"
    & skf18("7","8","9","4","9","4","1") = "8"
    & skf18("7","8","9","4","9","5","1") = "8"
    & skf18("7","8","9","4","9","6","1") = "8"
    & skf18("7","8","9","4","9","7","1") = "8"
    & skf18("7","8","9","4","9","8","1") = "8"
    & skf18("7","8","9","4","9","9","1") = "8"
    & skf18("7","8","9","4","9","10","1") = "9"
    & skf18("7","8","9","4","10","1","1") = "9"
    & skf18("7","8","9","4","10","2","1") = "9"
    & skf18("7","8","9","4","10","3","1") = "9"
    & skf18("7","8","9","4","10","4","1") = "9"
    & skf18("7","8","9","4","10","5","1") = "9"
    & skf18("7","8","9","4","10","6","1") = "9"
    & skf18("7","8","9","4","10","7","1") = "9"
    & skf18("7","8","9","4","10","8","1") = "9"
    & skf18("7","8","9","4","10","9","1") = "9"
    & skf18("7","8","9","4","10","10","1") = "9"
    & skf18("7","8","9","5","1","1","1") = "8"
    & skf18("7","8","9","5","1","2","1") = "8"
    & skf18("7","8","9","5","1","3","1") = "8"
    & skf18("7","8","9","5","1","4","1") = "8"
    & skf18("7","8","9","5","1","5","1") = "8"
    & skf18("7","8","9","5","1","6","1") = "8"
    & skf18("7","8","9","5","1","7","1") = "8"
    & skf18("7","8","9","5","1","8","1") = "8"
    & skf18("7","8","9","5","1","9","1") = "8"
    & skf18("7","8","9","5","1","10","1") = "9"
    & skf18("7","8","9","5","2","1","1") = "8"
    & skf18("7","8","9","5","2","2","1") = "8"
    & skf18("7","8","9","5","2","3","1") = "8"
    & skf18("7","8","9","5","2","4","1") = "8"
    & skf18("7","8","9","5","2","5","1") = "8"
    & skf18("7","8","9","5","2","6","1") = "8"
    & skf18("7","8","9","5","2","7","1") = "8"
    & skf18("7","8","9","5","2","8","1") = "8"
    & skf18("7","8","9","5","2","9","1") = "8"
    & skf18("7","8","9","5","2","10","1") = "9"
    & skf18("7","8","9","5","3","1","1") = "8"
    & skf18("7","8","9","5","3","2","1") = "8"
    & skf18("7","8","9","5","3","3","1") = "8"
    & skf18("7","8","9","5","3","4","1") = "8"
    & skf18("7","8","9","5","3","5","1") = "8"
    & skf18("7","8","9","5","3","6","1") = "8"
    & skf18("7","8","9","5","3","7","1") = "8"
    & skf18("7","8","9","5","3","8","1") = "8"
    & skf18("7","8","9","5","3","9","1") = "8"
    & skf18("7","8","9","5","3","10","1") = "9"
    & skf18("7","8","9","5","4","1","1") = "8"
    & skf18("7","8","9","5","4","2","1") = "8"
    & skf18("7","8","9","5","4","3","1") = "8"
    & skf18("7","8","9","5","4","4","1") = "8"
    & skf18("7","8","9","5","4","5","1") = "8"
    & skf18("7","8","9","5","4","6","1") = "8"
    & skf18("7","8","9","5","4","7","1") = "8"
    & skf18("7","8","9","5","4","8","1") = "8"
    & skf18("7","8","9","5","4","9","1") = "8"
    & skf18("7","8","9","5","4","10","1") = "9"
    & skf18("7","8","9","5","5","1","1") = "8"
    & skf18("7","8","9","5","5","2","1") = "8"
    & skf18("7","8","9","5","5","3","1") = "8"
    & skf18("7","8","9","5","5","4","1") = "8"
    & skf18("7","8","9","5","5","5","1") = "8"
    & skf18("7","8","9","5","5","6","1") = "8"
    & skf18("7","8","9","5","5","7","1") = "8"
    & skf18("7","8","9","5","5","8","1") = "8"
    & skf18("7","8","9","5","5","9","1") = "8"
    & skf18("7","8","9","5","5","10","1") = "9"
    & skf18("7","8","9","5","6","1","1") = "8"
    & skf18("7","8","9","5","6","2","1") = "8"
    & skf18("7","8","9","5","6","3","1") = "8"
    & skf18("7","8","9","5","6","4","1") = "8"
    & skf18("7","8","9","5","6","5","1") = "8"
    & skf18("7","8","9","5","6","6","1") = "8"
    & skf18("7","8","9","5","6","7","1") = "8"
    & skf18("7","8","9","5","6","8","1") = "8"
    & skf18("7","8","9","5","6","9","1") = "8"
    & skf18("7","8","9","5","6","10","1") = "9"
    & skf18("7","8","9","5","7","1","1") = "8"
    & skf18("7","8","9","5","7","2","1") = "8"
    & skf18("7","8","9","5","7","3","1") = "8"
    & skf18("7","8","9","5","7","4","1") = "8"
    & skf18("7","8","9","5","7","5","1") = "8"
    & skf18("7","8","9","5","7","6","1") = "8"
    & skf18("7","8","9","5","7","7","1") = "8"
    & skf18("7","8","9","5","7","8","1") = "8"
    & skf18("7","8","9","5","7","9","1") = "8"
    & skf18("7","8","9","5","7","10","1") = "9"
    & skf18("7","8","9","5","8","1","1") = "8"
    & skf18("7","8","9","5","8","2","1") = "8"
    & skf18("7","8","9","5","8","3","1") = "8"
    & skf18("7","8","9","5","8","4","1") = "8"
    & skf18("7","8","9","5","8","5","1") = "8"
    & skf18("7","8","9","5","8","6","1") = "8"
    & skf18("7","8","9","5","8","7","1") = "8"
    & skf18("7","8","9","5","8","8","1") = "8"
    & skf18("7","8","9","5","8","9","1") = "8"
    & skf18("7","8","9","5","8","10","1") = "9"
    & skf18("7","8","9","5","9","1","1") = "8"
    & skf18("7","8","9","5","9","2","1") = "8"
    & skf18("7","8","9","5","9","3","1") = "8"
    & skf18("7","8","9","5","9","4","1") = "8"
    & skf18("7","8","9","5","9","5","1") = "8"
    & skf18("7","8","9","5","9","6","1") = "8"
    & skf18("7","8","9","5","9","7","1") = "8"
    & skf18("7","8","9","5","9","8","1") = "8"
    & skf18("7","8","9","5","9","9","1") = "8"
    & skf18("7","8","9","5","9","10","1") = "9"
    & skf18("7","8","9","5","10","1","1") = "9"
    & skf18("7","8","9","5","10","2","1") = "9"
    & skf18("7","8","9","5","10","3","1") = "9"
    & skf18("7","8","9","5","10","4","1") = "9"
    & skf18("7","8","9","5","10","5","1") = "9"
    & skf18("7","8","9","5","10","6","1") = "9"
    & skf18("7","8","9","5","10","7","1") = "9"
    & skf18("7","8","9","5","10","8","1") = "9"
    & skf18("7","8","9","5","10","9","1") = "9"
    & skf18("7","8","9","5","10","10","1") = "9"
    & skf18("7","8","9","6","1","1","1") = "8"
    & skf18("7","8","9","6","1","2","1") = "8"
    & skf18("7","8","9","6","1","3","1") = "8"
    & skf18("7","8","9","6","1","4","1") = "8"
    & skf18("7","8","9","6","1","5","1") = "8"
    & skf18("7","8","9","6","1","6","1") = "8"
    & skf18("7","8","9","6","1","7","1") = "8"
    & skf18("7","8","9","6","1","8","1") = "8"
    & skf18("7","8","9","6","1","9","1") = "8"
    & skf18("7","8","9","6","1","10","1") = "9"
    & skf18("7","8","9","6","2","1","1") = "8"
    & skf18("7","8","9","6","2","2","1") = "8"
    & skf18("7","8","9","6","2","3","1") = "8"
    & skf18("7","8","9","6","2","4","1") = "8"
    & skf18("7","8","9","6","2","5","1") = "8"
    & skf18("7","8","9","6","2","6","1") = "8"
    & skf18("7","8","9","6","2","7","1") = "8"
    & skf18("7","8","9","6","2","8","1") = "8"
    & skf18("7","8","9","6","2","9","1") = "8"
    & skf18("7","8","9","6","2","10","1") = "9"
    & skf18("7","8","9","6","3","1","1") = "8"
    & skf18("7","8","9","6","3","2","1") = "8"
    & skf18("7","8","9","6","3","3","1") = "8"
    & skf18("7","8","9","6","3","4","1") = "8"
    & skf18("7","8","9","6","3","5","1") = "8"
    & skf18("7","8","9","6","3","6","1") = "8"
    & skf18("7","8","9","6","3","7","1") = "8"
    & skf18("7","8","9","6","3","8","1") = "8"
    & skf18("7","8","9","6","3","9","1") = "8"
    & skf18("7","8","9","6","3","10","1") = "9"
    & skf18("7","8","9","6","4","1","1") = "8"
    & skf18("7","8","9","6","4","2","1") = "8"
    & skf18("7","8","9","6","4","3","1") = "8"
    & skf18("7","8","9","6","4","4","1") = "8"
    & skf18("7","8","9","6","4","5","1") = "8"
    & skf18("7","8","9","6","4","6","1") = "8"
    & skf18("7","8","9","6","4","7","1") = "8"
    & skf18("7","8","9","6","4","8","1") = "8"
    & skf18("7","8","9","6","4","9","1") = "8"
    & skf18("7","8","9","6","4","10","1") = "9"
    & skf18("7","8","9","6","5","1","1") = "8"
    & skf18("7","8","9","6","5","2","1") = "8"
    & skf18("7","8","9","6","5","3","1") = "8"
    & skf18("7","8","9","6","5","4","1") = "8"
    & skf18("7","8","9","6","5","5","1") = "8"
    & skf18("7","8","9","6","5","6","1") = "8"
    & skf18("7","8","9","6","5","7","1") = "8"
    & skf18("7","8","9","6","5","8","1") = "8"
    & skf18("7","8","9","6","5","9","1") = "8"
    & skf18("7","8","9","6","5","10","1") = "9"
    & skf18("7","8","9","6","6","1","1") = "8"
    & skf18("7","8","9","6","6","2","1") = "8"
    & skf18("7","8","9","6","6","3","1") = "8"
    & skf18("7","8","9","6","6","4","1") = "8"
    & skf18("7","8","9","6","6","5","1") = "8"
    & skf18("7","8","9","6","6","6","1") = "8"
    & skf18("7","8","9","6","6","7","1") = "8"
    & skf18("7","8","9","6","6","8","1") = "8"
    & skf18("7","8","9","6","6","9","1") = "8"
    & skf18("7","8","9","6","6","10","1") = "9"
    & skf18("7","8","9","6","7","1","1") = "8"
    & skf18("7","8","9","6","7","2","1") = "8"
    & skf18("7","8","9","6","7","3","1") = "8"
    & skf18("7","8","9","6","7","4","1") = "8"
    & skf18("7","8","9","6","7","5","1") = "8"
    & skf18("7","8","9","6","7","6","1") = "8"
    & skf18("7","8","9","6","7","7","1") = "8"
    & skf18("7","8","9","6","7","8","1") = "8"
    & skf18("7","8","9","6","7","9","1") = "8"
    & skf18("7","8","9","6","7","10","1") = "9"
    & skf18("7","8","9","6","8","1","1") = "8"
    & skf18("7","8","9","6","8","2","1") = "8"
    & skf18("7","8","9","6","8","3","1") = "8"
    & skf18("7","8","9","6","8","4","1") = "8"
    & skf18("7","8","9","6","8","5","1") = "8"
    & skf18("7","8","9","6","8","6","1") = "8"
    & skf18("7","8","9","6","8","7","1") = "8"
    & skf18("7","8","9","6","8","8","1") = "8"
    & skf18("7","8","9","6","8","9","1") = "8"
    & skf18("7","8","9","6","8","10","1") = "9"
    & skf18("7","8","9","6","9","1","1") = "8"
    & skf18("7","8","9","6","9","2","1") = "8"
    & skf18("7","8","9","6","9","3","1") = "8"
    & skf18("7","8","9","6","9","4","1") = "8"
    & skf18("7","8","9","6","9","5","1") = "8"
    & skf18("7","8","9","6","9","6","1") = "8"
    & skf18("7","8","9","6","9","7","1") = "8"
    & skf18("7","8","9","6","9","8","1") = "8"
    & skf18("7","8","9","6","9","9","1") = "8"
    & skf18("7","8","9","6","9","10","1") = "9"
    & skf18("7","8","9","6","10","1","1") = "9"
    & skf18("7","8","9","6","10","2","1") = "9"
    & skf18("7","8","9","6","10","3","1") = "9"
    & skf18("7","8","9","6","10","4","1") = "9"
    & skf18("7","8","9","6","10","5","1") = "9"
    & skf18("7","8","9","6","10","6","1") = "9"
    & skf18("7","8","9","6","10","7","1") = "9"
    & skf18("7","8","9","6","10","8","1") = "9"
    & skf18("7","8","9","6","10","9","1") = "9"
    & skf18("7","8","9","6","10","10","1") = "9"
    & skf18("7","8","9","7","1","1","1") = "8"
    & skf18("7","8","9","7","1","2","1") = "8"
    & skf18("7","8","9","7","1","3","1") = "8"
    & skf18("7","8","9","7","1","4","1") = "8"
    & skf18("7","8","9","7","1","5","1") = "8"
    & skf18("7","8","9","7","1","6","1") = "8"
    & skf18("7","8","9","7","1","7","1") = "8"
    & skf18("7","8","9","7","1","8","1") = "8"
    & skf18("7","8","9","7","1","9","1") = "8"
    & skf18("7","8","9","7","1","10","1") = "9"
    & skf18("7","8","9","7","2","1","1") = "8"
    & skf18("7","8","9","7","2","2","1") = "8"
    & skf18("7","8","9","7","2","3","1") = "8"
    & skf18("7","8","9","7","2","4","1") = "8"
    & skf18("7","8","9","7","2","5","1") = "8"
    & skf18("7","8","9","7","2","6","1") = "8"
    & skf18("7","8","9","7","2","7","1") = "8"
    & skf18("7","8","9","7","2","8","1") = "8"
    & skf18("7","8","9","7","2","9","1") = "8"
    & skf18("7","8","9","7","2","10","1") = "9"
    & skf18("7","8","9","7","3","1","1") = "8"
    & skf18("7","8","9","7","3","2","1") = "8"
    & skf18("7","8","9","7","3","3","1") = "8"
    & skf18("7","8","9","7","3","4","1") = "8"
    & skf18("7","8","9","7","3","5","1") = "8"
    & skf18("7","8","9","7","3","6","1") = "8"
    & skf18("7","8","9","7","3","7","1") = "8"
    & skf18("7","8","9","7","3","8","1") = "8"
    & skf18("7","8","9","7","3","9","1") = "8"
    & skf18("7","8","9","7","3","10","1") = "9"
    & skf18("7","8","9","7","4","1","1") = "8"
    & skf18("7","8","9","7","4","2","1") = "8"
    & skf18("7","8","9","7","4","3","1") = "8"
    & skf18("7","8","9","7","4","4","1") = "8"
    & skf18("7","8","9","7","4","5","1") = "8"
    & skf18("7","8","9","7","4","6","1") = "8"
    & skf18("7","8","9","7","4","7","1") = "8"
    & skf18("7","8","9","7","4","8","1") = "8"
    & skf18("7","8","9","7","4","9","1") = "8"
    & skf18("7","8","9","7","4","10","1") = "9"
    & skf18("7","8","9","7","5","1","1") = "8"
    & skf18("7","8","9","7","5","2","1") = "8"
    & skf18("7","8","9","7","5","3","1") = "8"
    & skf18("7","8","9","7","5","4","1") = "8"
    & skf18("7","8","9","7","5","5","1") = "8"
    & skf18("7","8","9","7","5","6","1") = "8"
    & skf18("7","8","9","7","5","7","1") = "8"
    & skf18("7","8","9","7","5","8","1") = "8"
    & skf18("7","8","9","7","5","9","1") = "8"
    & skf18("7","8","9","7","5","10","1") = "9"
    & skf18("7","8","9","7","6","1","1") = "8"
    & skf18("7","8","9","7","6","2","1") = "8"
    & skf18("7","8","9","7","6","3","1") = "8"
    & skf18("7","8","9","7","6","4","1") = "8"
    & skf18("7","8","9","7","6","5","1") = "8"
    & skf18("7","8","9","7","6","6","1") = "8"
    & skf18("7","8","9","7","6","7","1") = "8"
    & skf18("7","8","9","7","6","8","1") = "8"
    & skf18("7","8","9","7","6","9","1") = "8"
    & skf18("7","8","9","7","6","10","1") = "9"
    & skf18("7","8","9","7","7","1","1") = "8"
    & skf18("7","8","9","7","7","2","1") = "8"
    & skf18("7","8","9","7","7","3","1") = "8"
    & skf18("7","8","9","7","7","4","1") = "8"
    & skf18("7","8","9","7","7","5","1") = "8"
    & skf18("7","8","9","7","7","6","1") = "8"
    & skf18("7","8","9","7","7","7","1") = "8"
    & skf18("7","8","9","7","7","8","1") = "8"
    & skf18("7","8","9","7","7","9","1") = "8"
    & skf18("7","8","9","7","7","10","1") = "9"
    & skf18("7","8","9","7","8","1","1") = "8"
    & skf18("7","8","9","7","8","2","1") = "8"
    & skf18("7","8","9","7","8","3","1") = "8"
    & skf18("7","8","9","7","8","4","1") = "8"
    & skf18("7","8","9","7","8","5","1") = "8"
    & skf18("7","8","9","7","8","6","1") = "8"
    & skf18("7","8","9","7","8","7","1") = "8"
    & skf18("7","8","9","7","8","8","1") = "8"
    & skf18("7","8","9","7","8","9","1") = "8"
    & skf18("7","8","9","7","8","10","1") = "9"
    & skf18("7","8","9","7","9","1","1") = "8"
    & skf18("7","8","9","7","9","2","1") = "8"
    & skf18("7","8","9","7","9","3","1") = "8"
    & skf18("7","8","9","7","9","4","1") = "8"
    & skf18("7","8","9","7","9","5","1") = "8"
    & skf18("7","8","9","7","9","6","1") = "8"
    & skf18("7","8","9","7","9","7","1") = "8"
    & skf18("7","8","9","7","9","8","1") = "8"
    & skf18("7","8","9","7","9","9","1") = "8"
    & skf18("7","8","9","7","9","10","1") = "9"
    & skf18("7","8","9","7","10","1","1") = "9"
    & skf18("7","8","9","7","10","2","1") = "9"
    & skf18("7","8","9","7","10","3","1") = "9"
    & skf18("7","8","9","7","10","4","1") = "9"
    & skf18("7","8","9","7","10","5","1") = "9"
    & skf18("7","8","9","7","10","6","1") = "9"
    & skf18("7","8","9","7","10","7","1") = "9"
    & skf18("7","8","9","7","10","8","1") = "9"
    & skf18("7","8","9","7","10","9","1") = "9"
    & skf18("7","8","9","7","10","10","1") = "9"
    & skf18("7","8","9","8","1","1","1") = "8"
    & skf18("7","8","9","8","1","2","1") = "8"
    & skf18("7","8","9","8","1","3","1") = "8"
    & skf18("7","8","9","8","1","4","1") = "8"
    & skf18("7","8","9","8","1","5","1") = "8"
    & skf18("7","8","9","8","1","6","1") = "8"
    & skf18("7","8","9","8","1","7","1") = "8"
    & skf18("7","8","9","8","1","8","1") = "8"
    & skf18("7","8","9","8","1","9","1") = "8"
    & skf18("7","8","9","8","1","10","1") = "9"
    & skf18("7","8","9","8","2","1","1") = "8"
    & skf18("7","8","9","8","2","2","1") = "8"
    & skf18("7","8","9","8","2","3","1") = "8"
    & skf18("7","8","9","8","2","4","1") = "8"
    & skf18("7","8","9","8","2","5","1") = "8"
    & skf18("7","8","9","8","2","6","1") = "8"
    & skf18("7","8","9","8","2","7","1") = "8"
    & skf18("7","8","9","8","2","8","1") = "8"
    & skf18("7","8","9","8","2","9","1") = "8"
    & skf18("7","8","9","8","2","10","1") = "9"
    & skf18("7","8","9","8","3","1","1") = "8"
    & skf18("7","8","9","8","3","2","1") = "8"
    & skf18("7","8","9","8","3","3","1") = "8"
    & skf18("7","8","9","8","3","4","1") = "8"
    & skf18("7","8","9","8","3","5","1") = "8"
    & skf18("7","8","9","8","3","6","1") = "8"
    & skf18("7","8","9","8","3","7","1") = "8"
    & skf18("7","8","9","8","3","8","1") = "8"
    & skf18("7","8","9","8","3","9","1") = "8"
    & skf18("7","8","9","8","3","10","1") = "9"
    & skf18("7","8","9","8","4","1","1") = "8"
    & skf18("7","8","9","8","4","2","1") = "8"
    & skf18("7","8","9","8","4","3","1") = "8"
    & skf18("7","8","9","8","4","4","1") = "8"
    & skf18("7","8","9","8","4","5","1") = "8"
    & skf18("7","8","9","8","4","6","1") = "8"
    & skf18("7","8","9","8","4","7","1") = "8"
    & skf18("7","8","9","8","4","8","1") = "8"
    & skf18("7","8","9","8","4","9","1") = "8"
    & skf18("7","8","9","8","4","10","1") = "9"
    & skf18("7","8","9","8","5","1","1") = "8"
    & skf18("7","8","9","8","5","2","1") = "8"
    & skf18("7","8","9","8","5","3","1") = "8"
    & skf18("7","8","9","8","5","4","1") = "8"
    & skf18("7","8","9","8","5","5","1") = "8"
    & skf18("7","8","9","8","5","6","1") = "8"
    & skf18("7","8","9","8","5","7","1") = "8"
    & skf18("7","8","9","8","5","8","1") = "8"
    & skf18("7","8","9","8","5","9","1") = "8"
    & skf18("7","8","9","8","5","10","1") = "9"
    & skf18("7","8","9","8","6","1","1") = "8"
    & skf18("7","8","9","8","6","2","1") = "8"
    & skf18("7","8","9","8","6","3","1") = "8"
    & skf18("7","8","9","8","6","4","1") = "8"
    & skf18("7","8","9","8","6","5","1") = "8"
    & skf18("7","8","9","8","6","6","1") = "8"
    & skf18("7","8","9","8","6","7","1") = "8"
    & skf18("7","8","9","8","6","8","1") = "8"
    & skf18("7","8","9","8","6","9","1") = "8"
    & skf18("7","8","9","8","6","10","1") = "9"
    & skf18("7","8","9","8","7","1","1") = "8"
    & skf18("7","8","9","8","7","2","1") = "8"
    & skf18("7","8","9","8","7","3","1") = "8"
    & skf18("7","8","9","8","7","4","1") = "8"
    & skf18("7","8","9","8","7","5","1") = "8"
    & skf18("7","8","9","8","7","6","1") = "8"
    & skf18("7","8","9","8","7","7","1") = "8"
    & skf18("7","8","9","8","7","8","1") = "8"
    & skf18("7","8","9","8","7","9","1") = "8"
    & skf18("7","8","9","8","7","10","1") = "9"
    & skf18("7","8","9","8","8","1","1") = "8"
    & skf18("7","8","9","8","8","2","1") = "8"
    & skf18("7","8","9","8","8","3","1") = "8"
    & skf18("7","8","9","8","8","4","1") = "8"
    & skf18("7","8","9","8","8","5","1") = "8"
    & skf18("7","8","9","8","8","6","1") = "8"
    & skf18("7","8","9","8","8","7","1") = "8"
    & skf18("7","8","9","8","8","8","1") = "8"
    & skf18("7","8","9","8","8","9","1") = "8"
    & skf18("7","8","9","8","8","10","1") = "9"
    & skf18("7","8","9","8","9","1","1") = "8"
    & skf18("7","8","9","8","9","2","1") = "8"
    & skf18("7","8","9","8","9","3","1") = "8"
    & skf18("7","8","9","8","9","4","1") = "8"
    & skf18("7","8","9","8","9","5","1") = "8"
    & skf18("7","8","9","8","9","6","1") = "8"
    & skf18("7","8","9","8","9","7","1") = "8"
    & skf18("7","8","9","8","9","8","1") = "8"
    & skf18("7","8","9","8","9","9","1") = "8"
    & skf18("7","8","9","8","9","10","1") = "9"
    & skf18("7","8","9","8","10","1","1") = "9"
    & skf18("7","8","9","8","10","2","1") = "9"
    & skf18("7","8","9","8","10","3","1") = "9"
    & skf18("7","8","9","8","10","4","1") = "9"
    & skf18("7","8","9","8","10","5","1") = "9"
    & skf18("7","8","9","8","10","6","1") = "9"
    & skf18("7","8","9","8","10","7","1") = "9"
    & skf18("7","8","9","8","10","8","1") = "9"
    & skf18("7","8","9","8","10","9","1") = "9"
    & skf18("7","8","9","8","10","10","1") = "9"
    & skf18("7","8","9","9","1","1","1") = "8"
    & skf18("7","8","9","9","1","2","1") = "8"
    & skf18("7","8","9","9","1","3","1") = "8"
    & skf18("7","8","9","9","1","4","1") = "8"
    & skf18("7","8","9","9","1","5","1") = "8"
    & skf18("7","8","9","9","1","6","1") = "8"
    & skf18("7","8","9","9","1","7","1") = "8"
    & skf18("7","8","9","9","1","8","1") = "8"
    & skf18("7","8","9","9","1","9","1") = "8"
    & skf18("7","8","9","9","1","10","1") = "9"
    & skf18("7","8","9","9","2","1","1") = "8"
    & skf18("7","8","9","9","2","2","1") = "8"
    & skf18("7","8","9","9","2","3","1") = "8"
    & skf18("7","8","9","9","2","4","1") = "8"
    & skf18("7","8","9","9","2","5","1") = "8"
    & skf18("7","8","9","9","2","6","1") = "8"
    & skf18("7","8","9","9","2","7","1") = "8"
    & skf18("7","8","9","9","2","8","1") = "8"
    & skf18("7","8","9","9","2","9","1") = "8"
    & skf18("7","8","9","9","2","10","1") = "9"
    & skf18("7","8","9","9","3","1","1") = "8"
    & skf18("7","8","9","9","3","2","1") = "8"
    & skf18("7","8","9","9","3","3","1") = "8"
    & skf18("7","8","9","9","3","4","1") = "8"
    & skf18("7","8","9","9","3","5","1") = "8"
    & skf18("7","8","9","9","3","6","1") = "8"
    & skf18("7","8","9","9","3","7","1") = "8"
    & skf18("7","8","9","9","3","8","1") = "8"
    & skf18("7","8","9","9","3","9","1") = "8"
    & skf18("7","8","9","9","3","10","1") = "9"
    & skf18("7","8","9","9","4","1","1") = "8"
    & skf18("7","8","9","9","4","2","1") = "8"
    & skf18("7","8","9","9","4","3","1") = "8"
    & skf18("7","8","9","9","4","4","1") = "8"
    & skf18("7","8","9","9","4","5","1") = "8"
    & skf18("7","8","9","9","4","6","1") = "8"
    & skf18("7","8","9","9","4","7","1") = "8"
    & skf18("7","8","9","9","4","8","1") = "8"
    & skf18("7","8","9","9","4","9","1") = "8"
    & skf18("7","8","9","9","4","10","1") = "9"
    & skf18("7","8","9","9","5","1","1") = "8"
    & skf18("7","8","9","9","5","2","1") = "8"
    & skf18("7","8","9","9","5","3","1") = "8"
    & skf18("7","8","9","9","5","4","1") = "8"
    & skf18("7","8","9","9","5","5","1") = "8"
    & skf18("7","8","9","9","5","6","1") = "8"
    & skf18("7","8","9","9","5","7","1") = "8"
    & skf18("7","8","9","9","5","8","1") = "8"
    & skf18("7","8","9","9","5","9","1") = "8"
    & skf18("7","8","9","9","5","10","1") = "9"
    & skf18("7","8","9","9","6","1","1") = "8"
    & skf18("7","8","9","9","6","2","1") = "8"
    & skf18("7","8","9","9","6","3","1") = "8"
    & skf18("7","8","9","9","6","4","1") = "8"
    & skf18("7","8","9","9","6","5","1") = "8"
    & skf18("7","8","9","9","6","6","1") = "8"
    & skf18("7","8","9","9","6","7","1") = "8"
    & skf18("7","8","9","9","6","8","1") = "8"
    & skf18("7","8","9","9","6","9","1") = "8"
    & skf18("7","8","9","9","6","10","1") = "9"
    & skf18("7","8","9","9","7","1","1") = "8"
    & skf18("7","8","9","9","7","2","1") = "8"
    & skf18("7","8","9","9","7","3","1") = "8"
    & skf18("7","8","9","9","7","4","1") = "8"
    & skf18("7","8","9","9","7","5","1") = "8"
    & skf18("7","8","9","9","7","6","1") = "8"
    & skf18("7","8","9","9","7","7","1") = "8"
    & skf18("7","8","9","9","7","8","1") = "8"
    & skf18("7","8","9","9","7","9","1") = "8"
    & skf18("7","8","9","9","7","10","1") = "9"
    & skf18("7","8","9","9","8","1","1") = "8"
    & skf18("7","8","9","9","8","2","1") = "8"
    & skf18("7","8","9","9","8","3","1") = "8"
    & skf18("7","8","9","9","8","4","1") = "8"
    & skf18("7","8","9","9","8","5","1") = "8"
    & skf18("7","8","9","9","8","6","1") = "8"
    & skf18("7","8","9","9","8","7","1") = "8"
    & skf18("7","8","9","9","8","8","1") = "8"
    & skf18("7","8","9","9","8","9","1") = "8"
    & skf18("7","8","9","9","8","10","1") = "9"
    & skf18("7","8","9","9","9","1","1") = "8"
    & skf18("7","8","9","9","9","2","1") = "8"
    & skf18("7","8","9","9","9","3","1") = "8"
    & skf18("7","8","9","9","9","4","1") = "8"
    & skf18("7","8","9","9","9","5","1") = "8"
    & skf18("7","8","9","9","9","6","1") = "8"
    & skf18("7","8","9","9","9","7","1") = "8"
    & skf18("7","8","9","9","9","8","1") = "8"
    & skf18("7","8","9","9","9","9","1") = "8"
    & skf18("7","8","9","9","9","10","1") = "9"
    & skf18("7","8","9","9","10","1","1") = "9"
    & skf18("7","8","9","9","10","2","1") = "9"
    & skf18("7","8","9","9","10","3","1") = "9"
    & skf18("7","8","9","9","10","4","1") = "9"
    & skf18("7","8","9","9","10","5","1") = "9"
    & skf18("7","8","9","9","10","6","1") = "9"
    & skf18("7","8","9","9","10","7","1") = "9"
    & skf18("7","8","9","9","10","8","1") = "9"
    & skf18("7","8","9","9","10","9","1") = "9"
    & skf18("7","8","9","9","10","10","1") = "9"
    & skf18("7","8","9","10","1","1","1") = "9"
    & skf18("7","8","9","10","1","2","1") = "9"
    & skf18("7","8","9","10","1","3","1") = "9"
    & skf18("7","8","9","10","1","4","1") = "9"
    & skf18("7","8","9","10","1","5","1") = "9"
    & skf18("7","8","9","10","1","6","1") = "9"
    & skf18("7","8","9","10","1","7","1") = "9"
    & skf18("7","8","9","10","1","8","1") = "9"
    & skf18("7","8","9","10","1","9","1") = "9"
    & skf18("7","8","9","10","1","10","1") = "9"
    & skf18("7","8","9","10","2","1","1") = "9"
    & skf18("7","8","9","10","2","2","1") = "9"
    & skf18("7","8","9","10","2","3","1") = "9"
    & skf18("7","8","9","10","2","4","1") = "9"
    & skf18("7","8","9","10","2","5","1") = "9"
    & skf18("7","8","9","10","2","6","1") = "9"
    & skf18("7","8","9","10","2","7","1") = "9"
    & skf18("7","8","9","10","2","8","1") = "9"
    & skf18("7","8","9","10","2","9","1") = "9"
    & skf18("7","8","9","10","2","10","1") = "9"
    & skf18("7","8","9","10","3","1","1") = "9"
    & skf18("7","8","9","10","3","2","1") = "9"
    & skf18("7","8","9","10","3","3","1") = "9"
    & skf18("7","8","9","10","3","4","1") = "9"
    & skf18("7","8","9","10","3","5","1") = "9"
    & skf18("7","8","9","10","3","6","1") = "9"
    & skf18("7","8","9","10","3","7","1") = "9"
    & skf18("7","8","9","10","3","8","1") = "9"
    & skf18("7","8","9","10","3","9","1") = "9"
    & skf18("7","8","9","10","3","10","1") = "9"
    & skf18("7","8","9","10","4","1","1") = "9"
    & skf18("7","8","9","10","4","2","1") = "9"
    & skf18("7","8","9","10","4","3","1") = "9"
    & skf18("7","8","9","10","4","4","1") = "9"
    & skf18("7","8","9","10","4","5","1") = "9"
    & skf18("7","8","9","10","4","6","1") = "9"
    & skf18("7","8","9","10","4","7","1") = "9"
    & skf18("7","8","9","10","4","8","1") = "9"
    & skf18("7","8","9","10","4","9","1") = "9"
    & skf18("7","8","9","10","4","10","1") = "9"
    & skf18("7","8","9","10","5","1","1") = "9"
    & skf18("7","8","9","10","5","2","1") = "9"
    & skf18("7","8","9","10","5","3","1") = "9"
    & skf18("7","8","9","10","5","4","1") = "9"
    & skf18("7","8","9","10","5","5","1") = "9"
    & skf18("7","8","9","10","5","6","1") = "9"
    & skf18("7","8","9","10","5","7","1") = "9"
    & skf18("7","8","9","10","5","8","1") = "9"
    & skf18("7","8","9","10","5","9","1") = "9"
    & skf18("7","8","9","10","5","10","1") = "9"
    & skf18("7","8","9","10","6","1","1") = "9"
    & skf18("7","8","9","10","6","2","1") = "9"
    & skf18("7","8","9","10","6","3","1") = "9"
    & skf18("7","8","9","10","6","4","1") = "9"
    & skf18("7","8","9","10","6","5","1") = "9"
    & skf18("7","8","9","10","6","6","1") = "9"
    & skf18("7","8","9","10","6","7","1") = "9"
    & skf18("7","8","9","10","6","8","1") = "9"
    & skf18("7","8","9","10","6","9","1") = "9"
    & skf18("7","8","9","10","6","10","1") = "9"
    & skf18("7","8","9","10","7","1","1") = "9"
    & skf18("7","8","9","10","7","2","1") = "9"
    & skf18("7","8","9","10","7","3","1") = "9"
    & skf18("7","8","9","10","7","4","1") = "9"
    & skf18("7","8","9","10","7","5","1") = "9"
    & skf18("7","8","9","10","7","6","1") = "9"
    & skf18("7","8","9","10","7","7","1") = "9"
    & skf18("7","8","9","10","7","8","1") = "9"
    & skf18("7","8","9","10","7","9","1") = "9"
    & skf18("7","8","9","10","7","10","1") = "9"
    & skf18("7","8","9","10","8","1","1") = "9"
    & skf18("7","8","9","10","8","2","1") = "9"
    & skf18("7","8","9","10","8","3","1") = "9"
    & skf18("7","8","9","10","8","4","1") = "9"
    & skf18("7","8","9","10","8","5","1") = "9"
    & skf18("7","8","9","10","8","6","1") = "9"
    & skf18("7","8","9","10","8","7","1") = "9"
    & skf18("7","8","9","10","8","8","1") = "9"
    & skf18("7","8","9","10","8","9","1") = "9"
    & skf18("7","8","9","10","8","10","1") = "9"
    & skf18("7","8","9","10","9","1","1") = "9"
    & skf18("7","8","9","10","9","2","1") = "9"
    & skf18("7","8","9","10","9","3","1") = "9"
    & skf18("7","8","9","10","9","4","1") = "9"
    & skf18("7","8","9","10","9","5","1") = "9"
    & skf18("7","8","9","10","9","6","1") = "9"
    & skf18("7","8","9","10","9","7","1") = "9"
    & skf18("7","8","9","10","9","8","1") = "9"
    & skf18("7","8","9","10","9","9","1") = "9"
    & skf18("7","8","9","10","9","10","1") = "9"
    & skf18("7","8","9","10","10","1","1") = "9"
    & skf18("7","8","9","10","10","2","1") = "9"
    & skf18("7","8","9","10","10","3","1") = "9"
    & skf18("7","8","9","10","10","4","1") = "9"
    & skf18("7","8","9","10","10","5","1") = "9"
    & skf18("7","8","9","10","10","6","1") = "9"
    & skf18("7","8","9","10","10","7","1") = "9"
    & skf18("7","8","9","10","10","8","1") = "9"
    & skf18("7","8","9","10","10","9","1") = "9"
    & skf18("7","8","9","10","10","10","1") = "9"
    & skf18("7","8","10","1","1","1","1") = "9"
    & skf18("7","8","10","1","1","2","1") = "9"
    & skf18("7","8","10","1","1","3","1") = "9"
    & skf18("7","8","10","1","1","4","1") = "9"
    & skf18("7","8","10","1","1","5","1") = "9"
    & skf18("7","8","10","1","1","6","1") = "9"
    & skf18("7","8","10","1","1","7","1") = "9"
    & skf18("7","8","10","1","1","8","1") = "9"
    & skf18("7","8","10","1","1","9","1") = "9"
    & skf18("7","8","10","1","1","10","1") = "9"
    & skf18("7","8","10","1","2","1","1") = "9"
    & skf18("7","8","10","1","2","2","1") = "9"
    & skf18("7","8","10","1","2","3","1") = "9"
    & skf18("7","8","10","1","2","4","1") = "9"
    & skf18("7","8","10","1","2","5","1") = "9"
    & skf18("7","8","10","1","2","6","1") = "9"
    & skf18("7","8","10","1","2","7","1") = "9"
    & skf18("7","8","10","1","2","8","1") = "9"
    & skf18("7","8","10","1","2","9","1") = "9"
    & skf18("7","8","10","1","2","10","1") = "9"
    & skf18("7","8","10","1","3","1","1") = "9"
    & skf18("7","8","10","1","3","2","1") = "9"
    & skf18("7","8","10","1","3","3","1") = "9"
    & skf18("7","8","10","1","3","4","1") = "9"
    & skf18("7","8","10","1","3","5","1") = "9"
    & skf18("7","8","10","1","3","6","1") = "9"
    & skf18("7","8","10","1","3","7","1") = "9"
    & skf18("7","8","10","1","3","8","1") = "9"
    & skf18("7","8","10","1","3","9","1") = "9"
    & skf18("7","8","10","1","3","10","1") = "9"
    & skf18("7","8","10","1","4","1","1") = "9"
    & skf18("7","8","10","1","4","2","1") = "9"
    & skf18("7","8","10","1","4","3","1") = "9"
    & skf18("7","8","10","1","4","4","1") = "9"
    & skf18("7","8","10","1","4","5","1") = "9"
    & skf18("7","8","10","1","4","6","1") = "9"
    & skf18("7","8","10","1","4","7","1") = "9"
    & skf18("7","8","10","1","4","8","1") = "9"
    & skf18("7","8","10","1","4","9","1") = "9"
    & skf18("7","8","10","1","4","10","1") = "9"
    & skf18("7","8","10","1","5","1","1") = "9"
    & skf18("7","8","10","1","5","2","1") = "9"
    & skf18("7","8","10","1","5","3","1") = "9"
    & skf18("7","8","10","1","5","4","1") = "9"
    & skf18("7","8","10","1","5","5","1") = "9"
    & skf18("7","8","10","1","5","6","1") = "9"
    & skf18("7","8","10","1","5","7","1") = "9"
    & skf18("7","8","10","1","5","8","1") = "9"
    & skf18("7","8","10","1","5","9","1") = "9"
    & skf18("7","8","10","1","5","10","1") = "9"
    & skf18("7","8","10","1","6","1","1") = "9"
    & skf18("7","8","10","1","6","2","1") = "9"
    & skf18("7","8","10","1","6","3","1") = "9"
    & skf18("7","8","10","1","6","4","1") = "9"
    & skf18("7","8","10","1","6","5","1") = "9"
    & skf18("7","8","10","1","6","6","1") = "9"
    & skf18("7","8","10","1","6","7","1") = "9"
    & skf18("7","8","10","1","6","8","1") = "9"
    & skf18("7","8","10","1","6","9","1") = "9"
    & skf18("7","8","10","1","6","10","1") = "9"
    & skf18("7","8","10","1","7","1","1") = "9"
    & skf18("7","8","10","1","7","2","1") = "9"
    & skf18("7","8","10","1","7","3","1") = "9"
    & skf18("7","8","10","1","7","4","1") = "9"
    & skf18("7","8","10","1","7","5","1") = "9"
    & skf18("7","8","10","1","7","6","1") = "9"
    & skf18("7","8","10","1","7","7","1") = "9"
    & skf18("7","8","10","1","7","8","1") = "9"
    & skf18("7","8","10","1","7","9","1") = "9"
    & skf18("7","8","10","1","7","10","1") = "9"
    & skf18("7","8","10","1","8","1","1") = "9"
    & skf18("7","8","10","1","8","2","1") = "9"
    & skf18("7","8","10","1","8","3","1") = "9"
    & skf18("7","8","10","1","8","4","1") = "9"
    & skf18("7","8","10","1","8","5","1") = "9"
    & skf18("7","8","10","1","8","6","1") = "9"
    & skf18("7","8","10","1","8","7","1") = "9"
    & skf18("7","8","10","1","8","8","1") = "9"
    & skf18("7","8","10","1","8","9","1") = "9"
    & skf18("7","8","10","1","8","10","1") = "9"
    & skf18("7","8","10","1","9","1","1") = "9"
    & skf18("7","8","10","1","9","2","1") = "9"
    & skf18("7","8","10","1","9","3","1") = "9"
    & skf18("7","8","10","1","9","4","1") = "9"
    & skf18("7","8","10","1","9","5","1") = "9"
    & skf18("7","8","10","1","9","6","1") = "9"
    & skf18("7","8","10","1","9","7","1") = "9"
    & skf18("7","8","10","1","9","8","1") = "9"
    & skf18("7","8","10","1","9","9","1") = "9"
    & skf18("7","8","10","1","9","10","1") = "9"
    & skf18("7","8","10","1","10","1","1") = "9"
    & skf18("7","8","10","1","10","2","1") = "9"
    & skf18("7","8","10","1","10","3","1") = "9"
    & skf18("7","8","10","1","10","4","1") = "9"
    & skf18("7","8","10","1","10","5","1") = "9"
    & skf18("7","8","10","1","10","6","1") = "9"
    & skf18("7","8","10","1","10","7","1") = "9"
    & skf18("7","8","10","1","10","8","1") = "9"
    & skf18("7","8","10","1","10","9","1") = "9"
    & skf18("7","8","10","1","10","10","1") = "9"
    & skf18("7","8","10","2","1","1","1") = "9"
    & skf18("7","8","10","2","1","2","1") = "9"
    & skf18("7","8","10","2","1","3","1") = "9"
    & skf18("7","8","10","2","1","4","1") = "9"
    & skf18("7","8","10","2","1","5","1") = "9"
    & skf18("7","8","10","2","1","6","1") = "9"
    & skf18("7","8","10","2","1","7","1") = "9"
    & skf18("7","8","10","2","1","8","1") = "9"
    & skf18("7","8","10","2","1","9","1") = "9"
    & skf18("7","8","10","2","1","10","1") = "9"
    & skf18("7","8","10","2","2","1","1") = "9"
    & skf18("7","8","10","2","2","2","1") = "9"
    & skf18("7","8","10","2","2","3","1") = "9"
    & skf18("7","8","10","2","2","4","1") = "9"
    & skf18("7","8","10","2","2","5","1") = "9"
    & skf18("7","8","10","2","2","6","1") = "9"
    & skf18("7","8","10","2","2","7","1") = "9"
    & skf18("7","8","10","2","2","8","1") = "9"
    & skf18("7","8","10","2","2","9","1") = "9"
    & skf18("7","8","10","2","2","10","1") = "9"
    & skf18("7","8","10","2","3","1","1") = "9"
    & skf18("7","8","10","2","3","2","1") = "9"
    & skf18("7","8","10","2","3","3","1") = "9"
    & skf18("7","8","10","2","3","4","1") = "9"
    & skf18("7","8","10","2","3","5","1") = "9"
    & skf18("7","8","10","2","3","6","1") = "9"
    & skf18("7","8","10","2","3","7","1") = "9"
    & skf18("7","8","10","2","3","8","1") = "9"
    & skf18("7","8","10","2","3","9","1") = "9"
    & skf18("7","8","10","2","3","10","1") = "9"
    & skf18("7","8","10","2","4","1","1") = "9"
    & skf18("7","8","10","2","4","2","1") = "9"
    & skf18("7","8","10","2","4","3","1") = "9"
    & skf18("7","8","10","2","4","4","1") = "9"
    & skf18("7","8","10","2","4","5","1") = "9"
    & skf18("7","8","10","2","4","6","1") = "9"
    & skf18("7","8","10","2","4","7","1") = "9"
    & skf18("7","8","10","2","4","8","1") = "9"
    & skf18("7","8","10","2","4","9","1") = "9"
    & skf18("7","8","10","2","4","10","1") = "9"
    & skf18("7","8","10","2","5","1","1") = "9"
    & skf18("7","8","10","2","5","2","1") = "9"
    & skf18("7","8","10","2","5","3","1") = "9"
    & skf18("7","8","10","2","5","4","1") = "9"
    & skf18("7","8","10","2","5","5","1") = "9"
    & skf18("7","8","10","2","5","6","1") = "9"
    & skf18("7","8","10","2","5","7","1") = "9"
    & skf18("7","8","10","2","5","8","1") = "9"
    & skf18("7","8","10","2","5","9","1") = "9"
    & skf18("7","8","10","2","5","10","1") = "9"
    & skf18("7","8","10","2","6","1","1") = "9"
    & skf18("7","8","10","2","6","2","1") = "9"
    & skf18("7","8","10","2","6","3","1") = "9"
    & skf18("7","8","10","2","6","4","1") = "9"
    & skf18("7","8","10","2","6","5","1") = "9"
    & skf18("7","8","10","2","6","6","1") = "9"
    & skf18("7","8","10","2","6","7","1") = "9"
    & skf18("7","8","10","2","6","8","1") = "9"
    & skf18("7","8","10","2","6","9","1") = "9"
    & skf18("7","8","10","2","6","10","1") = "9"
    & skf18("7","8","10","2","7","1","1") = "9"
    & skf18("7","8","10","2","7","2","1") = "9"
    & skf18("7","8","10","2","7","3","1") = "9"
    & skf18("7","8","10","2","7","4","1") = "9"
    & skf18("7","8","10","2","7","5","1") = "9"
    & skf18("7","8","10","2","7","6","1") = "9"
    & skf18("7","8","10","2","7","7","1") = "9"
    & skf18("7","8","10","2","7","8","1") = "9"
    & skf18("7","8","10","2","7","9","1") = "9"
    & skf18("7","8","10","2","7","10","1") = "9"
    & skf18("7","8","10","2","8","1","1") = "9"
    & skf18("7","8","10","2","8","2","1") = "9"
    & skf18("7","8","10","2","8","3","1") = "9"
    & skf18("7","8","10","2","8","4","1") = "9"
    & skf18("7","8","10","2","8","5","1") = "9"
    & skf18("7","8","10","2","8","6","1") = "9"
    & skf18("7","8","10","2","8","7","1") = "9"
    & skf18("7","8","10","2","8","8","1") = "9"
    & skf18("7","8","10","2","8","9","1") = "9"
    & skf18("7","8","10","2","8","10","1") = "9"
    & skf18("7","8","10","2","9","1","1") = "9"
    & skf18("7","8","10","2","9","2","1") = "9"
    & skf18("7","8","10","2","9","3","1") = "9"
    & skf18("7","8","10","2","9","4","1") = "9"
    & skf18("7","8","10","2","9","5","1") = "9"
    & skf18("7","8","10","2","9","6","1") = "9"
    & skf18("7","8","10","2","9","7","1") = "9"
    & skf18("7","8","10","2","9","8","1") = "9"
    & skf18("7","8","10","2","9","9","1") = "9"
    & skf18("7","8","10","2","9","10","1") = "9"
    & skf18("7","8","10","2","10","1","1") = "9"
    & skf18("7","8","10","2","10","2","1") = "9"
    & skf18("7","8","10","2","10","3","1") = "9"
    & skf18("7","8","10","2","10","4","1") = "9"
    & skf18("7","8","10","2","10","5","1") = "9"
    & skf18("7","8","10","2","10","6","1") = "9"
    & skf18("7","8","10","2","10","7","1") = "9"
    & skf18("7","8","10","2","10","8","1") = "9"
    & skf18("7","8","10","2","10","9","1") = "9"
    & skf18("7","8","10","2","10","10","1") = "9"
    & skf18("7","8","10","3","1","1","1") = "9"
    & skf18("7","8","10","3","1","2","1") = "9"
    & skf18("7","8","10","3","1","3","1") = "9"
    & skf18("7","8","10","3","1","4","1") = "9"
    & skf18("7","8","10","3","1","5","1") = "9"
    & skf18("7","8","10","3","1","6","1") = "9"
    & skf18("7","8","10","3","1","7","1") = "9"
    & skf18("7","8","10","3","1","8","1") = "9"
    & skf18("7","8","10","3","1","9","1") = "9"
    & skf18("7","8","10","3","1","10","1") = "9"
    & skf18("7","8","10","3","2","1","1") = "9"
    & skf18("7","8","10","3","2","2","1") = "9"
    & skf18("7","8","10","3","2","3","1") = "9"
    & skf18("7","8","10","3","2","4","1") = "9"
    & skf18("7","8","10","3","2","5","1") = "9"
    & skf18("7","8","10","3","2","6","1") = "9"
    & skf18("7","8","10","3","2","7","1") = "9"
    & skf18("7","8","10","3","2","8","1") = "9"
    & skf18("7","8","10","3","2","9","1") = "9"
    & skf18("7","8","10","3","2","10","1") = "9"
    & skf18("7","8","10","3","3","1","1") = "9"
    & skf18("7","8","10","3","3","2","1") = "9"
    & skf18("7","8","10","3","3","3","1") = "9"
    & skf18("7","8","10","3","3","4","1") = "9"
    & skf18("7","8","10","3","3","5","1") = "9"
    & skf18("7","8","10","3","3","6","1") = "9"
    & skf18("7","8","10","3","3","7","1") = "9"
    & skf18("7","8","10","3","3","8","1") = "9"
    & skf18("7","8","10","3","3","9","1") = "9"
    & skf18("7","8","10","3","3","10","1") = "9"
    & skf18("7","8","10","3","4","1","1") = "9"
    & skf18("7","8","10","3","4","2","1") = "9"
    & skf18("7","8","10","3","4","3","1") = "9"
    & skf18("7","8","10","3","4","4","1") = "9"
    & skf18("7","8","10","3","4","5","1") = "9"
    & skf18("7","8","10","3","4","6","1") = "9"
    & skf18("7","8","10","3","4","7","1") = "9"
    & skf18("7","8","10","3","4","8","1") = "9"
    & skf18("7","8","10","3","4","9","1") = "9"
    & skf18("7","8","10","3","4","10","1") = "9"
    & skf18("7","8","10","3","5","1","1") = "9"
    & skf18("7","8","10","3","5","2","1") = "9"
    & skf18("7","8","10","3","5","3","1") = "9"
    & skf18("7","8","10","3","5","4","1") = "9"
    & skf18("7","8","10","3","5","5","1") = "9"
    & skf18("7","8","10","3","5","6","1") = "9"
    & skf18("7","8","10","3","5","7","1") = "9"
    & skf18("7","8","10","3","5","8","1") = "9"
    & skf18("7","8","10","3","5","9","1") = "9"
    & skf18("7","8","10","3","5","10","1") = "9"
    & skf18("7","8","10","3","6","1","1") = "9"
    & skf18("7","8","10","3","6","2","1") = "9"
    & skf18("7","8","10","3","6","3","1") = "9"
    & skf18("7","8","10","3","6","4","1") = "9"
    & skf18("7","8","10","3","6","5","1") = "9"
    & skf18("7","8","10","3","6","6","1") = "9"
    & skf18("7","8","10","3","6","7","1") = "9"
    & skf18("7","8","10","3","6","8","1") = "9"
    & skf18("7","8","10","3","6","9","1") = "9"
    & skf18("7","8","10","3","6","10","1") = "9"
    & skf18("7","8","10","3","7","1","1") = "9"
    & skf18("7","8","10","3","7","2","1") = "9"
    & skf18("7","8","10","3","7","3","1") = "9"
    & skf18("7","8","10","3","7","4","1") = "9"
    & skf18("7","8","10","3","7","5","1") = "9"
    & skf18("7","8","10","3","7","6","1") = "9"
    & skf18("7","8","10","3","7","7","1") = "9"
    & skf18("7","8","10","3","7","8","1") = "9"
    & skf18("7","8","10","3","7","9","1") = "9"
    & skf18("7","8","10","3","7","10","1") = "9"
    & skf18("7","8","10","3","8","1","1") = "9"
    & skf18("7","8","10","3","8","2","1") = "9"
    & skf18("7","8","10","3","8","3","1") = "9"
    & skf18("7","8","10","3","8","4","1") = "9"
    & skf18("7","8","10","3","8","5","1") = "9"
    & skf18("7","8","10","3","8","6","1") = "9"
    & skf18("7","8","10","3","8","7","1") = "9"
    & skf18("7","8","10","3","8","8","1") = "9"
    & skf18("7","8","10","3","8","9","1") = "9"
    & skf18("7","8","10","3","8","10","1") = "9"
    & skf18("7","8","10","3","9","1","1") = "9"
    & skf18("7","8","10","3","9","2","1") = "9"
    & skf18("7","8","10","3","9","3","1") = "9"
    & skf18("7","8","10","3","9","4","1") = "9"
    & skf18("7","8","10","3","9","5","1") = "9"
    & skf18("7","8","10","3","9","6","1") = "9"
    & skf18("7","8","10","3","9","7","1") = "9"
    & skf18("7","8","10","3","9","8","1") = "9"
    & skf18("7","8","10","3","9","9","1") = "9"
    & skf18("7","8","10","3","9","10","1") = "9"
    & skf18("7","8","10","3","10","1","1") = "9"
    & skf18("7","8","10","3","10","2","1") = "9"
    & skf18("7","8","10","3","10","3","1") = "9"
    & skf18("7","8","10","3","10","4","1") = "9"
    & skf18("7","8","10","3","10","5","1") = "9"
    & skf18("7","8","10","3","10","6","1") = "9"
    & skf18("7","8","10","3","10","7","1") = "9"
    & skf18("7","8","10","3","10","8","1") = "9"
    & skf18("7","8","10","3","10","9","1") = "9"
    & skf18("7","8","10","3","10","10","1") = "9"
    & skf18("7","8","10","4","1","1","1") = "9"
    & skf18("7","8","10","4","1","2","1") = "9"
    & skf18("7","8","10","4","1","3","1") = "9"
    & skf18("7","8","10","4","1","4","1") = "9"
    & skf18("7","8","10","4","1","5","1") = "9"
    & skf18("7","8","10","4","1","6","1") = "9"
    & skf18("7","8","10","4","1","7","1") = "9"
    & skf18("7","8","10","4","1","8","1") = "9"
    & skf18("7","8","10","4","1","9","1") = "9"
    & skf18("7","8","10","4","1","10","1") = "9"
    & skf18("7","8","10","4","2","1","1") = "9"
    & skf18("7","8","10","4","2","2","1") = "9"
    & skf18("7","8","10","4","2","3","1") = "9"
    & skf18("7","8","10","4","2","4","1") = "9"
    & skf18("7","8","10","4","2","5","1") = "9"
    & skf18("7","8","10","4","2","6","1") = "9"
    & skf18("7","8","10","4","2","7","1") = "9"
    & skf18("7","8","10","4","2","8","1") = "9"
    & skf18("7","8","10","4","2","9","1") = "9"
    & skf18("7","8","10","4","2","10","1") = "9"
    & skf18("7","8","10","4","3","1","1") = "9"
    & skf18("7","8","10","4","3","2","1") = "9"
    & skf18("7","8","10","4","3","3","1") = "9"
    & skf18("7","8","10","4","3","4","1") = "9"
    & skf18("7","8","10","4","3","5","1") = "9"
    & skf18("7","8","10","4","3","6","1") = "9"
    & skf18("7","8","10","4","3","7","1") = "9"
    & skf18("7","8","10","4","3","8","1") = "9"
    & skf18("7","8","10","4","3","9","1") = "9"
    & skf18("7","8","10","4","3","10","1") = "9"
    & skf18("7","8","10","4","4","1","1") = "9"
    & skf18("7","8","10","4","4","2","1") = "9"
    & skf18("7","8","10","4","4","3","1") = "9"
    & skf18("7","8","10","4","4","4","1") = "9"
    & skf18("7","8","10","4","4","5","1") = "9"
    & skf18("7","8","10","4","4","6","1") = "9"
    & skf18("7","8","10","4","4","7","1") = "9"
    & skf18("7","8","10","4","4","8","1") = "9"
    & skf18("7","8","10","4","4","9","1") = "9"
    & skf18("7","8","10","4","4","10","1") = "9"
    & skf18("7","8","10","4","5","1","1") = "9"
    & skf18("7","8","10","4","5","2","1") = "9"
    & skf18("7","8","10","4","5","3","1") = "9"
    & skf18("7","8","10","4","5","4","1") = "9"
    & skf18("7","8","10","4","5","5","1") = "9"
    & skf18("7","8","10","4","5","6","1") = "9"
    & skf18("7","8","10","4","5","7","1") = "9"
    & skf18("7","8","10","4","5","8","1") = "9"
    & skf18("7","8","10","4","5","9","1") = "9"
    & skf18("7","8","10","4","5","10","1") = "9"
    & skf18("7","8","10","4","6","1","1") = "9"
    & skf18("7","8","10","4","6","2","1") = "9"
    & skf18("7","8","10","4","6","3","1") = "9"
    & skf18("7","8","10","4","6","4","1") = "9"
    & skf18("7","8","10","4","6","5","1") = "9"
    & skf18("7","8","10","4","6","6","1") = "9"
    & skf18("7","8","10","4","6","7","1") = "9"
    & skf18("7","8","10","4","6","8","1") = "9"
    & skf18("7","8","10","4","6","9","1") = "9"
    & skf18("7","8","10","4","6","10","1") = "9"
    & skf18("7","8","10","4","7","1","1") = "9"
    & skf18("7","8","10","4","7","2","1") = "9"
    & skf18("7","8","10","4","7","3","1") = "9"
    & skf18("7","8","10","4","7","4","1") = "9"
    & skf18("7","8","10","4","7","5","1") = "9"
    & skf18("7","8","10","4","7","6","1") = "9"
    & skf18("7","8","10","4","7","7","1") = "9"
    & skf18("7","8","10","4","7","8","1") = "9"
    & skf18("7","8","10","4","7","9","1") = "9"
    & skf18("7","8","10","4","7","10","1") = "9"
    & skf18("7","8","10","4","8","1","1") = "9"
    & skf18("7","8","10","4","8","2","1") = "9"
    & skf18("7","8","10","4","8","3","1") = "9"
    & skf18("7","8","10","4","8","4","1") = "9"
    & skf18("7","8","10","4","8","5","1") = "9"
    & skf18("7","8","10","4","8","6","1") = "9"
    & skf18("7","8","10","4","8","7","1") = "9"
    & skf18("7","8","10","4","8","8","1") = "9"
    & skf18("7","8","10","4","8","9","1") = "9"
    & skf18("7","8","10","4","8","10","1") = "9"
    & skf18("7","8","10","4","9","1","1") = "9"
    & skf18("7","8","10","4","9","2","1") = "9"
    & skf18("7","8","10","4","9","3","1") = "9"
    & skf18("7","8","10","4","9","4","1") = "9"
    & skf18("7","8","10","4","9","5","1") = "9"
    & skf18("7","8","10","4","9","6","1") = "9"
    & skf18("7","8","10","4","9","7","1") = "9"
    & skf18("7","8","10","4","9","8","1") = "9"
    & skf18("7","8","10","4","9","9","1") = "9"
    & skf18("7","8","10","4","9","10","1") = "9"
    & skf18("7","8","10","4","10","1","1") = "9"
    & skf18("7","8","10","4","10","2","1") = "9"
    & skf18("7","8","10","4","10","3","1") = "9"
    & skf18("7","8","10","4","10","4","1") = "9"
    & skf18("7","8","10","4","10","5","1") = "9"
    & skf18("7","8","10","4","10","6","1") = "9"
    & skf18("7","8","10","4","10","7","1") = "9"
    & skf18("7","8","10","4","10","8","1") = "9"
    & skf18("7","8","10","4","10","9","1") = "9"
    & skf18("7","8","10","4","10","10","1") = "9"
    & skf18("7","8","10","5","1","1","1") = "9"
    & skf18("7","8","10","5","1","2","1") = "9"
    & skf18("7","8","10","5","1","3","1") = "9"
    & skf18("7","8","10","5","1","4","1") = "9"
    & skf18("7","8","10","5","1","5","1") = "9"
    & skf18("7","8","10","5","1","6","1") = "9"
    & skf18("7","8","10","5","1","7","1") = "9"
    & skf18("7","8","10","5","1","8","1") = "9"
    & skf18("7","8","10","5","1","9","1") = "9"
    & skf18("7","8","10","5","1","10","1") = "9"
    & skf18("7","8","10","5","2","1","1") = "9"
    & skf18("7","8","10","5","2","2","1") = "9"
    & skf18("7","8","10","5","2","3","1") = "9"
    & skf18("7","8","10","5","2","4","1") = "9"
    & skf18("7","8","10","5","2","5","1") = "9"
    & skf18("7","8","10","5","2","6","1") = "9"
    & skf18("7","8","10","5","2","7","1") = "9"
    & skf18("7","8","10","5","2","8","1") = "9"
    & skf18("7","8","10","5","2","9","1") = "9"
    & skf18("7","8","10","5","2","10","1") = "9"
    & skf18("7","8","10","5","3","1","1") = "9"
    & skf18("7","8","10","5","3","2","1") = "9"
    & skf18("7","8","10","5","3","3","1") = "9"
    & skf18("7","8","10","5","3","4","1") = "9"
    & skf18("7","8","10","5","3","5","1") = "9"
    & skf18("7","8","10","5","3","6","1") = "9"
    & skf18("7","8","10","5","3","7","1") = "9"
    & skf18("7","8","10","5","3","8","1") = "9"
    & skf18("7","8","10","5","3","9","1") = "9"
    & skf18("7","8","10","5","3","10","1") = "9"
    & skf18("7","8","10","5","4","1","1") = "9"
    & skf18("7","8","10","5","4","2","1") = "9"
    & skf18("7","8","10","5","4","3","1") = "9"
    & skf18("7","8","10","5","4","4","1") = "9"
    & skf18("7","8","10","5","4","5","1") = "9"
    & skf18("7","8","10","5","4","6","1") = "9"
    & skf18("7","8","10","5","4","7","1") = "9"
    & skf18("7","8","10","5","4","8","1") = "9"
    & skf18("7","8","10","5","4","9","1") = "9"
    & skf18("7","8","10","5","4","10","1") = "9"
    & skf18("7","8","10","5","5","1","1") = "9"
    & skf18("7","8","10","5","5","2","1") = "9"
    & skf18("7","8","10","5","5","3","1") = "9"
    & skf18("7","8","10","5","5","4","1") = "9"
    & skf18("7","8","10","5","5","5","1") = "9"
    & skf18("7","8","10","5","5","6","1") = "9"
    & skf18("7","8","10","5","5","7","1") = "9"
    & skf18("7","8","10","5","5","8","1") = "9"
    & skf18("7","8","10","5","5","9","1") = "9"
    & skf18("7","8","10","5","5","10","1") = "9"
    & skf18("7","8","10","5","6","1","1") = "9"
    & skf18("7","8","10","5","6","2","1") = "9"
    & skf18("7","8","10","5","6","3","1") = "9"
    & skf18("7","8","10","5","6","4","1") = "9"
    & skf18("7","8","10","5","6","5","1") = "9"
    & skf18("7","8","10","5","6","6","1") = "9"
    & skf18("7","8","10","5","6","7","1") = "9"
    & skf18("7","8","10","5","6","8","1") = "9"
    & skf18("7","8","10","5","6","9","1") = "9"
    & skf18("7","8","10","5","6","10","1") = "9"
    & skf18("7","8","10","5","7","1","1") = "9"
    & skf18("7","8","10","5","7","2","1") = "9"
    & skf18("7","8","10","5","7","3","1") = "9"
    & skf18("7","8","10","5","7","4","1") = "9"
    & skf18("7","8","10","5","7","5","1") = "9"
    & skf18("7","8","10","5","7","6","1") = "9"
    & skf18("7","8","10","5","7","7","1") = "9"
    & skf18("7","8","10","5","7","8","1") = "9"
    & skf18("7","8","10","5","7","9","1") = "9"
    & skf18("7","8","10","5","7","10","1") = "9"
    & skf18("7","8","10","5","8","1","1") = "9"
    & skf18("7","8","10","5","8","2","1") = "9"
    & skf18("7","8","10","5","8","3","1") = "9"
    & skf18("7","8","10","5","8","4","1") = "9"
    & skf18("7","8","10","5","8","5","1") = "9"
    & skf18("7","8","10","5","8","6","1") = "9"
    & skf18("7","8","10","5","8","7","1") = "9"
    & skf18("7","8","10","5","8","8","1") = "9"
    & skf18("7","8","10","5","8","9","1") = "9"
    & skf18("7","8","10","5","8","10","1") = "9"
    & skf18("7","8","10","5","9","1","1") = "9"
    & skf18("7","8","10","5","9","2","1") = "9"
    & skf18("7","8","10","5","9","3","1") = "9"
    & skf18("7","8","10","5","9","4","1") = "9"
    & skf18("7","8","10","5","9","5","1") = "9"
    & skf18("7","8","10","5","9","6","1") = "9"
    & skf18("7","8","10","5","9","7","1") = "9"
    & skf18("7","8","10","5","9","8","1") = "9"
    & skf18("7","8","10","5","9","9","1") = "9"
    & skf18("7","8","10","5","9","10","1") = "9"
    & skf18("7","8","10","5","10","1","1") = "9"
    & skf18("7","8","10","5","10","2","1") = "9"
    & skf18("7","8","10","5","10","3","1") = "9"
    & skf18("7","8","10","5","10","4","1") = "9"
    & skf18("7","8","10","5","10","5","1") = "9"
    & skf18("7","8","10","5","10","6","1") = "9"
    & skf18("7","8","10","5","10","7","1") = "9"
    & skf18("7","8","10","5","10","8","1") = "9"
    & skf18("7","8","10","5","10","9","1") = "9"
    & skf18("7","8","10","5","10","10","1") = "9"
    & skf18("7","8","10","6","1","1","1") = "9"
    & skf18("7","8","10","6","1","2","1") = "9"
    & skf18("7","8","10","6","1","3","1") = "9"
    & skf18("7","8","10","6","1","4","1") = "9"
    & skf18("7","8","10","6","1","5","1") = "9"
    & skf18("7","8","10","6","1","6","1") = "9"
    & skf18("7","8","10","6","1","7","1") = "9"
    & skf18("7","8","10","6","1","8","1") = "9"
    & skf18("7","8","10","6","1","9","1") = "9"
    & skf18("7","8","10","6","1","10","1") = "9"
    & skf18("7","8","10","6","2","1","1") = "9"
    & skf18("7","8","10","6","2","2","1") = "9"
    & skf18("7","8","10","6","2","3","1") = "9"
    & skf18("7","8","10","6","2","4","1") = "9"
    & skf18("7","8","10","6","2","5","1") = "9"
    & skf18("7","8","10","6","2","6","1") = "9"
    & skf18("7","8","10","6","2","7","1") = "9"
    & skf18("7","8","10","6","2","8","1") = "9"
    & skf18("7","8","10","6","2","9","1") = "9"
    & skf18("7","8","10","6","2","10","1") = "9"
    & skf18("7","8","10","6","3","1","1") = "9"
    & skf18("7","8","10","6","3","2","1") = "9"
    & skf18("7","8","10","6","3","3","1") = "9"
    & skf18("7","8","10","6","3","4","1") = "9"
    & skf18("7","8","10","6","3","5","1") = "9"
    & skf18("7","8","10","6","3","6","1") = "9"
    & skf18("7","8","10","6","3","7","1") = "9"
    & skf18("7","8","10","6","3","8","1") = "9"
    & skf18("7","8","10","6","3","9","1") = "9"
    & skf18("7","8","10","6","3","10","1") = "9"
    & skf18("7","8","10","6","4","1","1") = "9"
    & skf18("7","8","10","6","4","2","1") = "9"
    & skf18("7","8","10","6","4","3","1") = "9"
    & skf18("7","8","10","6","4","4","1") = "9"
    & skf18("7","8","10","6","4","5","1") = "9"
    & skf18("7","8","10","6","4","6","1") = "9"
    & skf18("7","8","10","6","4","7","1") = "9"
    & skf18("7","8","10","6","4","8","1") = "9"
    & skf18("7","8","10","6","4","9","1") = "9"
    & skf18("7","8","10","6","4","10","1") = "9"
    & skf18("7","8","10","6","5","1","1") = "9"
    & skf18("7","8","10","6","5","2","1") = "9"
    & skf18("7","8","10","6","5","3","1") = "9"
    & skf18("7","8","10","6","5","4","1") = "9"
    & skf18("7","8","10","6","5","5","1") = "9"
    & skf18("7","8","10","6","5","6","1") = "9"
    & skf18("7","8","10","6","5","7","1") = "9"
    & skf18("7","8","10","6","5","8","1") = "9"
    & skf18("7","8","10","6","5","9","1") = "9"
    & skf18("7","8","10","6","5","10","1") = "9"
    & skf18("7","8","10","6","6","1","1") = "9"
    & skf18("7","8","10","6","6","2","1") = "9"
    & skf18("7","8","10","6","6","3","1") = "9"
    & skf18("7","8","10","6","6","4","1") = "9"
    & skf18("7","8","10","6","6","5","1") = "9"
    & skf18("7","8","10","6","6","6","1") = "9"
    & skf18("7","8","10","6","6","7","1") = "9"
    & skf18("7","8","10","6","6","8","1") = "9"
    & skf18("7","8","10","6","6","9","1") = "9"
    & skf18("7","8","10","6","6","10","1") = "9"
    & skf18("7","8","10","6","7","1","1") = "9"
    & skf18("7","8","10","6","7","2","1") = "9"
    & skf18("7","8","10","6","7","3","1") = "9"
    & skf18("7","8","10","6","7","4","1") = "9"
    & skf18("7","8","10","6","7","5","1") = "9"
    & skf18("7","8","10","6","7","6","1") = "9"
    & skf18("7","8","10","6","7","7","1") = "9"
    & skf18("7","8","10","6","7","8","1") = "9"
    & skf18("7","8","10","6","7","9","1") = "9"
    & skf18("7","8","10","6","7","10","1") = "9"
    & skf18("7","8","10","6","8","1","1") = "9"
    & skf18("7","8","10","6","8","2","1") = "9"
    & skf18("7","8","10","6","8","3","1") = "9"
    & skf18("7","8","10","6","8","4","1") = "9"
    & skf18("7","8","10","6","8","5","1") = "9"
    & skf18("7","8","10","6","8","6","1") = "9"
    & skf18("7","8","10","6","8","7","1") = "9"
    & skf18("7","8","10","6","8","8","1") = "9"
    & skf18("7","8","10","6","8","9","1") = "9"
    & skf18("7","8","10","6","8","10","1") = "9"
    & skf18("7","8","10","6","9","1","1") = "9"
    & skf18("7","8","10","6","9","2","1") = "9"
    & skf18("7","8","10","6","9","3","1") = "9"
    & skf18("7","8","10","6","9","4","1") = "9"
    & skf18("7","8","10","6","9","5","1") = "9"
    & skf18("7","8","10","6","9","6","1") = "9"
    & skf18("7","8","10","6","9","7","1") = "9"
    & skf18("7","8","10","6","9","8","1") = "9"
    & skf18("7","8","10","6","9","9","1") = "9"
    & skf18("7","8","10","6","9","10","1") = "9"
    & skf18("7","8","10","6","10","1","1") = "9"
    & skf18("7","8","10","6","10","2","1") = "9"
    & skf18("7","8","10","6","10","3","1") = "9"
    & skf18("7","8","10","6","10","4","1") = "9"
    & skf18("7","8","10","6","10","5","1") = "9"
    & skf18("7","8","10","6","10","6","1") = "9"
    & skf18("7","8","10","6","10","7","1") = "9"
    & skf18("7","8","10","6","10","8","1") = "9"
    & skf18("7","8","10","6","10","9","1") = "9"
    & skf18("7","8","10","6","10","10","1") = "9"
    & skf18("7","8","10","7","1","1","1") = "9"
    & skf18("7","8","10","7","1","2","1") = "9"
    & skf18("7","8","10","7","1","3","1") = "9"
    & skf18("7","8","10","7","1","4","1") = "9"
    & skf18("7","8","10","7","1","5","1") = "9"
    & skf18("7","8","10","7","1","6","1") = "9"
    & skf18("7","8","10","7","1","7","1") = "9"
    & skf18("7","8","10","7","1","8","1") = "9"
    & skf18("7","8","10","7","1","9","1") = "9"
    & skf18("7","8","10","7","1","10","1") = "9"
    & skf18("7","8","10","7","2","1","1") = "9"
    & skf18("7","8","10","7","2","2","1") = "9"
    & skf18("7","8","10","7","2","3","1") = "9"
    & skf18("7","8","10","7","2","4","1") = "9"
    & skf18("7","8","10","7","2","5","1") = "9"
    & skf18("7","8","10","7","2","6","1") = "9"
    & skf18("7","8","10","7","2","7","1") = "9"
    & skf18("7","8","10","7","2","8","1") = "9"
    & skf18("7","8","10","7","2","9","1") = "9"
    & skf18("7","8","10","7","2","10","1") = "9"
    & skf18("7","8","10","7","3","1","1") = "9"
    & skf18("7","8","10","7","3","2","1") = "9"
    & skf18("7","8","10","7","3","3","1") = "9"
    & skf18("7","8","10","7","3","4","1") = "9"
    & skf18("7","8","10","7","3","5","1") = "9"
    & skf18("7","8","10","7","3","6","1") = "9"
    & skf18("7","8","10","7","3","7","1") = "9"
    & skf18("7","8","10","7","3","8","1") = "9"
    & skf18("7","8","10","7","3","9","1") = "9"
    & skf18("7","8","10","7","3","10","1") = "9"
    & skf18("7","8","10","7","4","1","1") = "9"
    & skf18("7","8","10","7","4","2","1") = "9"
    & skf18("7","8","10","7","4","3","1") = "9"
    & skf18("7","8","10","7","4","4","1") = "9"
    & skf18("7","8","10","7","4","5","1") = "9"
    & skf18("7","8","10","7","4","6","1") = "9"
    & skf18("7","8","10","7","4","7","1") = "9"
    & skf18("7","8","10","7","4","8","1") = "9"
    & skf18("7","8","10","7","4","9","1") = "9"
    & skf18("7","8","10","7","4","10","1") = "9"
    & skf18("7","8","10","7","5","1","1") = "9"
    & skf18("7","8","10","7","5","2","1") = "9"
    & skf18("7","8","10","7","5","3","1") = "9"
    & skf18("7","8","10","7","5","4","1") = "9"
    & skf18("7","8","10","7","5","5","1") = "9"
    & skf18("7","8","10","7","5","6","1") = "9"
    & skf18("7","8","10","7","5","7","1") = "9"
    & skf18("7","8","10","7","5","8","1") = "9"
    & skf18("7","8","10","7","5","9","1") = "9"
    & skf18("7","8","10","7","5","10","1") = "9"
    & skf18("7","8","10","7","6","1","1") = "9"
    & skf18("7","8","10","7","6","2","1") = "9"
    & skf18("7","8","10","7","6","3","1") = "9"
    & skf18("7","8","10","7","6","4","1") = "9"
    & skf18("7","8","10","7","6","5","1") = "9"
    & skf18("7","8","10","7","6","6","1") = "9"
    & skf18("7","8","10","7","6","7","1") = "9"
    & skf18("7","8","10","7","6","8","1") = "9"
    & skf18("7","8","10","7","6","9","1") = "9"
    & skf18("7","8","10","7","6","10","1") = "9"
    & skf18("7","8","10","7","7","1","1") = "9"
    & skf18("7","8","10","7","7","2","1") = "9"
    & skf18("7","8","10","7","7","3","1") = "9"
    & skf18("7","8","10","7","7","4","1") = "9"
    & skf18("7","8","10","7","7","5","1") = "9"
    & skf18("7","8","10","7","7","6","1") = "9"
    & skf18("7","8","10","7","7","7","1") = "9"
    & skf18("7","8","10","7","7","8","1") = "9"
    & skf18("7","8","10","7","7","9","1") = "9"
    & skf18("7","8","10","7","7","10","1") = "9"
    & skf18("7","8","10","7","8","1","1") = "9"
    & skf18("7","8","10","7","8","2","1") = "9"
    & skf18("7","8","10","7","8","3","1") = "9"
    & skf18("7","8","10","7","8","4","1") = "9"
    & skf18("7","8","10","7","8","5","1") = "9"
    & skf18("7","8","10","7","8","6","1") = "9"
    & skf18("7","8","10","7","8","7","1") = "9"
    & skf18("7","8","10","7","8","8","1") = "9"
    & skf18("7","8","10","7","8","9","1") = "9"
    & skf18("7","8","10","7","8","10","1") = "9"
    & skf18("7","8","10","7","9","1","1") = "9"
    & skf18("7","8","10","7","9","2","1") = "9"
    & skf18("7","8","10","7","9","3","1") = "9"
    & skf18("7","8","10","7","9","4","1") = "9"
    & skf18("7","8","10","7","9","5","1") = "9"
    & skf18("7","8","10","7","9","6","1") = "9"
    & skf18("7","8","10","7","9","7","1") = "9"
    & skf18("7","8","10","7","9","8","1") = "9"
    & skf18("7","8","10","7","9","9","1") = "9"
    & skf18("7","8","10","7","9","10","1") = "9"
    & skf18("7","8","10","7","10","1","1") = "9"
    & skf18("7","8","10","7","10","2","1") = "9"
    & skf18("7","8","10","7","10","3","1") = "9"
    & skf18("7","8","10","7","10","4","1") = "9"
    & skf18("7","8","10","7","10","5","1") = "9"
    & skf18("7","8","10","7","10","6","1") = "9"
    & skf18("7","8","10","7","10","7","1") = "9"
    & skf18("7","8","10","7","10","8","1") = "9"
    & skf18("7","8","10","7","10","9","1") = "9"
    & skf18("7","8","10","7","10","10","1") = "9"
    & skf18("7","8","10","8","1","1","1") = "9"
    & skf18("7","8","10","8","1","2","1") = "9"
    & skf18("7","8","10","8","1","3","1") = "9"
    & skf18("7","8","10","8","1","4","1") = "9"
    & skf18("7","8","10","8","1","5","1") = "9"
    & skf18("7","8","10","8","1","6","1") = "9"
    & skf18("7","8","10","8","1","7","1") = "9"
    & skf18("7","8","10","8","1","8","1") = "9"
    & skf18("7","8","10","8","1","9","1") = "9"
    & skf18("7","8","10","8","1","10","1") = "9"
    & skf18("7","8","10","8","2","1","1") = "9"
    & skf18("7","8","10","8","2","2","1") = "9"
    & skf18("7","8","10","8","2","3","1") = "9"
    & skf18("7","8","10","8","2","4","1") = "9"
    & skf18("7","8","10","8","2","5","1") = "9"
    & skf18("7","8","10","8","2","6","1") = "9"
    & skf18("7","8","10","8","2","7","1") = "9"
    & skf18("7","8","10","8","2","8","1") = "9"
    & skf18("7","8","10","8","2","9","1") = "9"
    & skf18("7","8","10","8","2","10","1") = "9"
    & skf18("7","8","10","8","3","1","1") = "9"
    & skf18("7","8","10","8","3","2","1") = "9"
    & skf18("7","8","10","8","3","3","1") = "9"
    & skf18("7","8","10","8","3","4","1") = "9"
    & skf18("7","8","10","8","3","5","1") = "9"
    & skf18("7","8","10","8","3","6","1") = "9"
    & skf18("7","8","10","8","3","7","1") = "9"
    & skf18("7","8","10","8","3","8","1") = "9"
    & skf18("7","8","10","8","3","9","1") = "9"
    & skf18("7","8","10","8","3","10","1") = "9"
    & skf18("7","8","10","8","4","1","1") = "9"
    & skf18("7","8","10","8","4","2","1") = "9"
    & skf18("7","8","10","8","4","3","1") = "9"
    & skf18("7","8","10","8","4","4","1") = "9"
    & skf18("7","8","10","8","4","5","1") = "9"
    & skf18("7","8","10","8","4","6","1") = "9"
    & skf18("7","8","10","8","4","7","1") = "9"
    & skf18("7","8","10","8","4","8","1") = "9"
    & skf18("7","8","10","8","4","9","1") = "9"
    & skf18("7","8","10","8","4","10","1") = "9"
    & skf18("7","8","10","8","5","1","1") = "9"
    & skf18("7","8","10","8","5","2","1") = "9"
    & skf18("7","8","10","8","5","3","1") = "9"
    & skf18("7","8","10","8","5","4","1") = "9"
    & skf18("7","8","10","8","5","5","1") = "9"
    & skf18("7","8","10","8","5","6","1") = "9"
    & skf18("7","8","10","8","5","7","1") = "9"
    & skf18("7","8","10","8","5","8","1") = "9"
    & skf18("7","8","10","8","5","9","1") = "9"
    & skf18("7","8","10","8","5","10","1") = "9"
    & skf18("7","8","10","8","6","1","1") = "9"
    & skf18("7","8","10","8","6","2","1") = "9"
    & skf18("7","8","10","8","6","3","1") = "9"
    & skf18("7","8","10","8","6","4","1") = "9"
    & skf18("7","8","10","8","6","5","1") = "9"
    & skf18("7","8","10","8","6","6","1") = "9"
    & skf18("7","8","10","8","6","7","1") = "9"
    & skf18("7","8","10","8","6","8","1") = "9"
    & skf18("7","8","10","8","6","9","1") = "9"
    & skf18("7","8","10","8","6","10","1") = "9"
    & skf18("7","8","10","8","7","1","1") = "9"
    & skf18("7","8","10","8","7","2","1") = "9"
    & skf18("7","8","10","8","7","3","1") = "9"
    & skf18("7","8","10","8","7","4","1") = "9"
    & skf18("7","8","10","8","7","5","1") = "9"
    & skf18("7","8","10","8","7","6","1") = "9"
    & skf18("7","8","10","8","7","7","1") = "9"
    & skf18("7","8","10","8","7","8","1") = "9"
    & skf18("7","8","10","8","7","9","1") = "9"
    & skf18("7","8","10","8","7","10","1") = "9"
    & skf18("7","8","10","8","8","1","1") = "9"
    & skf18("7","8","10","8","8","2","1") = "9"
    & skf18("7","8","10","8","8","3","1") = "9"
    & skf18("7","8","10","8","8","4","1") = "9"
    & skf18("7","8","10","8","8","5","1") = "9"
    & skf18("7","8","10","8","8","6","1") = "9"
    & skf18("7","8","10","8","8","7","1") = "9"
    & skf18("7","8","10","8","8","8","1") = "9"
    & skf18("7","8","10","8","8","9","1") = "9"
    & skf18("7","8","10","8","8","10","1") = "9"
    & skf18("7","8","10","8","9","1","1") = "9"
    & skf18("7","8","10","8","9","2","1") = "9"
    & skf18("7","8","10","8","9","3","1") = "9"
    & skf18("7","8","10","8","9","4","1") = "9"
    & skf18("7","8","10","8","9","5","1") = "9"
    & skf18("7","8","10","8","9","6","1") = "9"
    & skf18("7","8","10","8","9","7","1") = "9"
    & skf18("7","8","10","8","9","8","1") = "9"
    & skf18("7","8","10","8","9","9","1") = "9"
    & skf18("7","8","10","8","9","10","1") = "9"
    & skf18("7","8","10","8","10","1","1") = "9"
    & skf18("7","8","10","8","10","2","1") = "9"
    & skf18("7","8","10","8","10","3","1") = "9"
    & skf18("7","8","10","8","10","4","1") = "9"
    & skf18("7","8","10","8","10","5","1") = "9"
    & skf18("7","8","10","8","10","6","1") = "9"
    & skf18("7","8","10","8","10","7","1") = "9"
    & skf18("7","8","10","8","10","8","1") = "9"
    & skf18("7","8","10","8","10","9","1") = "9"
    & skf18("7","8","10","8","10","10","1") = "9"
    & skf18("7","8","10","9","1","1","1") = "9"
    & skf18("7","8","10","9","1","2","1") = "9"
    & skf18("7","8","10","9","1","3","1") = "9"
    & skf18("7","8","10","9","1","4","1") = "9"
    & skf18("7","8","10","9","1","5","1") = "9"
    & skf18("7","8","10","9","1","6","1") = "9"
    & skf18("7","8","10","9","1","7","1") = "9"
    & skf18("7","8","10","9","1","8","1") = "9"
    & skf18("7","8","10","9","1","9","1") = "9"
    & skf18("7","8","10","9","1","10","1") = "9"
    & skf18("7","8","10","9","2","1","1") = "9"
    & skf18("7","8","10","9","2","2","1") = "9"
    & skf18("7","8","10","9","2","3","1") = "9"
    & skf18("7","8","10","9","2","4","1") = "9"
    & skf18("7","8","10","9","2","5","1") = "9"
    & skf18("7","8","10","9","2","6","1") = "9"
    & skf18("7","8","10","9","2","7","1") = "9"
    & skf18("7","8","10","9","2","8","1") = "9"
    & skf18("7","8","10","9","2","9","1") = "9"
    & skf18("7","8","10","9","2","10","1") = "9"
    & skf18("7","8","10","9","3","1","1") = "9"
    & skf18("7","8","10","9","3","2","1") = "9"
    & skf18("7","8","10","9","3","3","1") = "9"
    & skf18("7","8","10","9","3","4","1") = "9"
    & skf18("7","8","10","9","3","5","1") = "9"
    & skf18("7","8","10","9","3","6","1") = "9"
    & skf18("7","8","10","9","3","7","1") = "9"
    & skf18("7","8","10","9","3","8","1") = "9"
    & skf18("7","8","10","9","3","9","1") = "9"
    & skf18("7","8","10","9","3","10","1") = "9"
    & skf18("7","8","10","9","4","1","1") = "9"
    & skf18("7","8","10","9","4","2","1") = "9"
    & skf18("7","8","10","9","4","3","1") = "9"
    & skf18("7","8","10","9","4","4","1") = "9"
    & skf18("7","8","10","9","4","5","1") = "9"
    & skf18("7","8","10","9","4","6","1") = "9"
    & skf18("7","8","10","9","4","7","1") = "9"
    & skf18("7","8","10","9","4","8","1") = "9"
    & skf18("7","8","10","9","4","9","1") = "9"
    & skf18("7","8","10","9","4","10","1") = "9"
    & skf18("7","8","10","9","5","1","1") = "9"
    & skf18("7","8","10","9","5","2","1") = "9"
    & skf18("7","8","10","9","5","3","1") = "9"
    & skf18("7","8","10","9","5","4","1") = "9"
    & skf18("7","8","10","9","5","5","1") = "9"
    & skf18("7","8","10","9","5","6","1") = "9"
    & skf18("7","8","10","9","5","7","1") = "9"
    & skf18("7","8","10","9","5","8","1") = "9"
    & skf18("7","8","10","9","5","9","1") = "9"
    & skf18("7","8","10","9","5","10","1") = "9"
    & skf18("7","8","10","9","6","1","1") = "9"
    & skf18("7","8","10","9","6","2","1") = "9"
    & skf18("7","8","10","9","6","3","1") = "9"
    & skf18("7","8","10","9","6","4","1") = "9"
    & skf18("7","8","10","9","6","5","1") = "9"
    & skf18("7","8","10","9","6","6","1") = "9"
    & skf18("7","8","10","9","6","7","1") = "9"
    & skf18("7","8","10","9","6","8","1") = "9"
    & skf18("7","8","10","9","6","9","1") = "9"
    & skf18("7","8","10","9","6","10","1") = "9"
    & skf18("7","8","10","9","7","1","1") = "9"
    & skf18("7","8","10","9","7","2","1") = "9"
    & skf18("7","8","10","9","7","3","1") = "9"
    & skf18("7","8","10","9","7","4","1") = "9"
    & skf18("7","8","10","9","7","5","1") = "9"
    & skf18("7","8","10","9","7","6","1") = "9"
    & skf18("7","8","10","9","7","7","1") = "9"
    & skf18("7","8","10","9","7","8","1") = "9"
    & skf18("7","8","10","9","7","9","1") = "9"
    & skf18("7","8","10","9","7","10","1") = "9"
    & skf18("7","8","10","9","8","1","1") = "9"
    & skf18("7","8","10","9","8","2","1") = "9"
    & skf18("7","8","10","9","8","3","1") = "9"
    & skf18("7","8","10","9","8","4","1") = "9"
    & skf18("7","8","10","9","8","5","1") = "9"
    & skf18("7","8","10","9","8","6","1") = "9"
    & skf18("7","8","10","9","8","7","1") = "9"
    & skf18("7","8","10","9","8","8","1") = "9"
    & skf18("7","8","10","9","8","9","1") = "9"
    & skf18("7","8","10","9","8","10","1") = "9"
    & skf18("7","8","10","9","9","1","1") = "9"
    & skf18("7","8","10","9","9","2","1") = "9"
    & skf18("7","8","10","9","9","3","1") = "9"
    & skf18("7","8","10","9","9","4","1") = "9"
    & skf18("7","8","10","9","9","5","1") = "9"
    & skf18("7","8","10","9","9","6","1") = "9"
    & skf18("7","8","10","9","9","7","1") = "9"
    & skf18("7","8","10","9","9","8","1") = "9"
    & skf18("7","8","10","9","9","9","1") = "9"
    & skf18("7","8","10","9","9","10","1") = "9"
    & skf18("7","8","10","9","10","1","1") = "9"
    & skf18("7","8","10","9","10","2","1") = "9"
    & skf18("7","8","10","9","10","3","1") = "9"
    & skf18("7","8","10","9","10","4","1") = "9"
    & skf18("7","8","10","9","10","5","1") = "9"
    & skf18("7","8","10","9","10","6","1") = "9"
    & skf18("7","8","10","9","10","7","1") = "9"
    & skf18("7","8","10","9","10","8","1") = "9"
    & skf18("7","8","10","9","10","9","1") = "9"
    & skf18("7","8","10","9","10","10","1") = "9"
    & skf18("7","8","10","10","1","1","1") = "9"
    & skf18("7","8","10","10","1","2","1") = "9"
    & skf18("7","8","10","10","1","3","1") = "9"
    & skf18("7","8","10","10","1","4","1") = "9"
    & skf18("7","8","10","10","1","5","1") = "9"
    & skf18("7","8","10","10","1","6","1") = "9"
    & skf18("7","8","10","10","1","7","1") = "9"
    & skf18("7","8","10","10","1","8","1") = "9"
    & skf18("7","8","10","10","1","9","1") = "9"
    & skf18("7","8","10","10","1","10","1") = "9"
    & skf18("7","8","10","10","2","1","1") = "9"
    & skf18("7","8","10","10","2","2","1") = "9"
    & skf18("7","8","10","10","2","3","1") = "9"
    & skf18("7","8","10","10","2","4","1") = "9"
    & skf18("7","8","10","10","2","5","1") = "9"
    & skf18("7","8","10","10","2","6","1") = "9"
    & skf18("7","8","10","10","2","7","1") = "9"
    & skf18("7","8","10","10","2","8","1") = "9"
    & skf18("7","8","10","10","2","9","1") = "9"
    & skf18("7","8","10","10","2","10","1") = "9"
    & skf18("7","8","10","10","3","1","1") = "9"
    & skf18("7","8","10","10","3","2","1") = "9"
    & skf18("7","8","10","10","3","3","1") = "9"
    & skf18("7","8","10","10","3","4","1") = "9"
    & skf18("7","8","10","10","3","5","1") = "9"
    & skf18("7","8","10","10","3","6","1") = "9"
    & skf18("7","8","10","10","3","7","1") = "9"
    & skf18("7","8","10","10","3","8","1") = "9"
    & skf18("7","8","10","10","3","9","1") = "9"
    & skf18("7","8","10","10","3","10","1") = "9"
    & skf18("7","8","10","10","4","1","1") = "9"
    & skf18("7","8","10","10","4","2","1") = "9"
    & skf18("7","8","10","10","4","3","1") = "9"
    & skf18("7","8","10","10","4","4","1") = "9"
    & skf18("7","8","10","10","4","5","1") = "9"
    & skf18("7","8","10","10","4","6","1") = "9"
    & skf18("7","8","10","10","4","7","1") = "9"
    & skf18("7","8","10","10","4","8","1") = "9"
    & skf18("7","8","10","10","4","9","1") = "9"
    & skf18("7","8","10","10","4","10","1") = "9"
    & skf18("7","8","10","10","5","1","1") = "9"
    & skf18("7","8","10","10","5","2","1") = "9"
    & skf18("7","8","10","10","5","3","1") = "9"
    & skf18("7","8","10","10","5","4","1") = "9"
    & skf18("7","8","10","10","5","5","1") = "9"
    & skf18("7","8","10","10","5","6","1") = "9"
    & skf18("7","8","10","10","5","7","1") = "9"
    & skf18("7","8","10","10","5","8","1") = "9"
    & skf18("7","8","10","10","5","9","1") = "9"
    & skf18("7","8","10","10","5","10","1") = "9"
    & skf18("7","8","10","10","6","1","1") = "9"
    & skf18("7","8","10","10","6","2","1") = "9"
    & skf18("7","8","10","10","6","3","1") = "9"
    & skf18("7","8","10","10","6","4","1") = "9"
    & skf18("7","8","10","10","6","5","1") = "9"
    & skf18("7","8","10","10","6","6","1") = "9"
    & skf18("7","8","10","10","6","7","1") = "9"
    & skf18("7","8","10","10","6","8","1") = "9"
    & skf18("7","8","10","10","6","9","1") = "9"
    & skf18("7","8","10","10","6","10","1") = "9"
    & skf18("7","8","10","10","7","1","1") = "9"
    & skf18("7","8","10","10","7","2","1") = "9"
    & skf18("7","8","10","10","7","3","1") = "9"
    & skf18("7","8","10","10","7","4","1") = "9"
    & skf18("7","8","10","10","7","5","1") = "9"
    & skf18("7","8","10","10","7","6","1") = "9"
    & skf18("7","8","10","10","7","7","1") = "9"
    & skf18("7","8","10","10","7","8","1") = "9"
    & skf18("7","8","10","10","7","9","1") = "9"
    & skf18("7","8","10","10","7","10","1") = "9"
    & skf18("7","8","10","10","8","1","1") = "9"
    & skf18("7","8","10","10","8","2","1") = "9"
    & skf18("7","8","10","10","8","3","1") = "9"
    & skf18("7","8","10","10","8","4","1") = "9"
    & skf18("7","8","10","10","8","5","1") = "9"
    & skf18("7","8","10","10","8","6","1") = "9"
    & skf18("7","8","10","10","8","7","1") = "9"
    & skf18("7","8","10","10","8","8","1") = "9"
    & skf18("7","8","10","10","8","9","1") = "9"
    & skf18("7","8","10","10","8","10","1") = "9"
    & skf18("7","8","10","10","9","1","1") = "9"
    & skf18("7","8","10","10","9","2","1") = "9"
    & skf18("7","8","10","10","9","3","1") = "9"
    & skf18("7","8","10","10","9","4","1") = "9"
    & skf18("7","8","10","10","9","5","1") = "9"
    & skf18("7","8","10","10","9","6","1") = "9"
    & skf18("7","8","10","10","9","7","1") = "9"
    & skf18("7","8","10","10","9","8","1") = "9"
    & skf18("7","8","10","10","9","9","1") = "9"
    & skf18("7","8","10","10","9","10","1") = "9"
    & skf18("7","8","10","10","10","1","1") = "9"
    & skf18("7","8","10","10","10","2","1") = "9"
    & skf18("7","8","10","10","10","3","1") = "9"
    & skf18("7","8","10","10","10","4","1") = "9"
    & skf18("7","8","10","10","10","5","1") = "9"
    & skf18("7","8","10","10","10","6","1") = "9"
    & skf18("7","8","10","10","10","7","1") = "9"
    & skf18("7","8","10","10","10","8","1") = "9"
    & skf18("7","8","10","10","10","9","1") = "9"
    & skf18("7","8","10","10","10","10","1") = "9"
    & skf18("7","9","1","1","1","1","1") = "8"
    & skf18("7","9","1","1","1","2","1") = "8"
    & skf18("7","9","1","1","1","3","1") = "8"
    & skf18("7","9","1","1","1","4","1") = "8"
    & skf18("7","9","1","1","1","5","1") = "8"
    & skf18("7","9","1","1","1","6","1") = "8"
    & skf18("7","9","1","1","1","7","1") = "8"
    & skf18("7","9","1","1","1","8","1") = "8"
    & skf18("7","9","1","1","1","9","1") = "8"
    & skf18("7","9","1","1","1","10","1") = "9"
    & skf18("7","9","1","1","2","1","1") = "8"
    & skf18("7","9","1","1","2","2","1") = "8"
    & skf18("7","9","1","1","2","3","1") = "8"
    & skf18("7","9","1","1","2","4","1") = "8"
    & skf18("7","9","1","1","2","5","1") = "8"
    & skf18("7","9","1","1","2","6","1") = "8"
    & skf18("7","9","1","1","2","7","1") = "8"
    & skf18("7","9","1","1","2","8","1") = "8"
    & skf18("7","9","1","1","2","9","1") = "8"
    & skf18("7","9","1","1","2","10","1") = "9"
    & skf18("7","9","1","1","3","1","1") = "8"
    & skf18("7","9","1","1","3","2","1") = "8"
    & skf18("7","9","1","1","3","3","1") = "8"
    & skf18("7","9","1","1","3","4","1") = "8"
    & skf18("7","9","1","1","3","5","1") = "8"
    & skf18("7","9","1","1","3","6","1") = "8"
    & skf18("7","9","1","1","3","7","1") = "8"
    & skf18("7","9","1","1","3","8","1") = "8"
    & skf18("7","9","1","1","3","9","1") = "8"
    & skf18("7","9","1","1","3","10","1") = "9"
    & skf18("7","9","1","1","4","1","1") = "8"
    & skf18("7","9","1","1","4","2","1") = "8"
    & skf18("7","9","1","1","4","3","1") = "8"
    & skf18("7","9","1","1","4","4","1") = "8"
    & skf18("7","9","1","1","4","5","1") = "8"
    & skf18("7","9","1","1","4","6","1") = "8"
    & skf18("7","9","1","1","4","7","1") = "8"
    & skf18("7","9","1","1","4","8","1") = "8"
    & skf18("7","9","1","1","4","9","1") = "8"
    & skf18("7","9","1","1","4","10","1") = "9"
    & skf18("7","9","1","1","5","1","1") = "8"
    & skf18("7","9","1","1","5","2","1") = "8"
    & skf18("7","9","1","1","5","3","1") = "8"
    & skf18("7","9","1","1","5","4","1") = "8"
    & skf18("7","9","1","1","5","5","1") = "8"
    & skf18("7","9","1","1","5","6","1") = "8"
    & skf18("7","9","1","1","5","7","1") = "8"
    & skf18("7","9","1","1","5","8","1") = "8"
    & skf18("7","9","1","1","5","9","1") = "8"
    & skf18("7","9","1","1","5","10","1") = "9"
    & skf18("7","9","1","1","6","1","1") = "8"
    & skf18("7","9","1","1","6","2","1") = "8"
    & skf18("7","9","1","1","6","3","1") = "8"
    & skf18("7","9","1","1","6","4","1") = "8"
    & skf18("7","9","1","1","6","5","1") = "8"
    & skf18("7","9","1","1","6","6","1") = "8"
    & skf18("7","9","1","1","6","7","1") = "8"
    & skf18("7","9","1","1","6","8","1") = "8"
    & skf18("7","9","1","1","6","9","1") = "8"
    & skf18("7","9","1","1","6","10","1") = "9"
    & skf18("7","9","1","1","7","1","1") = "8"
    & skf18("7","9","1","1","7","2","1") = "8"
    & skf18("7","9","1","1","7","3","1") = "8"
    & skf18("7","9","1","1","7","4","1") = "8"
    & skf18("7","9","1","1","7","5","1") = "8"
    & skf18("7","9","1","1","7","6","1") = "8"
    & skf18("7","9","1","1","7","7","1") = "8"
    & skf18("7","9","1","1","7","8","1") = "8"
    & skf18("7","9","1","1","7","9","1") = "8"
    & skf18("7","9","1","1","7","10","1") = "9"
    & skf18("7","9","1","1","8","1","1") = "8"
    & skf18("7","9","1","1","8","2","1") = "8"
    & skf18("7","9","1","1","8","3","1") = "8"
    & skf18("7","9","1","1","8","4","1") = "8"
    & skf18("7","9","1","1","8","5","1") = "8"
    & skf18("7","9","1","1","8","6","1") = "8"
    & skf18("7","9","1","1","8","7","1") = "8"
    & skf18("7","9","1","1","8","8","1") = "8"
    & skf18("7","9","1","1","8","9","1") = "8"
    & skf18("7","9","1","1","8","10","1") = "9"
    & skf18("7","9","1","1","9","1","1") = "8"
    & skf18("7","9","1","1","9","2","1") = "8"
    & skf18("7","9","1","1","9","3","1") = "8"
    & skf18("7","9","1","1","9","4","1") = "8"
    & skf18("7","9","1","1","9","5","1") = "8"
    & skf18("7","9","1","1","9","6","1") = "8"
    & skf18("7","9","1","1","9","7","1") = "8"
    & skf18("7","9","1","1","9","8","1") = "8"
    & skf18("7","9","1","1","9","9","1") = "8"
    & skf18("7","9","1","1","9","10","1") = "9"
    & skf18("7","9","1","1","10","1","1") = "9"
    & skf18("7","9","1","1","10","2","1") = "9"
    & skf18("7","9","1","1","10","3","1") = "9"
    & skf18("7","9","1","1","10","4","1") = "9"
    & skf18("7","9","1","1","10","5","1") = "9"
    & skf18("7","9","1","1","10","6","1") = "9"
    & skf18("7","9","1","1","10","7","1") = "9"
    & skf18("7","9","1","1","10","8","1") = "9"
    & skf18("7","9","1","1","10","9","1") = "9"
    & skf18("7","9","1","1","10","10","1") = "9"
    & skf18("7","9","1","2","1","1","1") = "8"
    & skf18("7","9","1","2","1","2","1") = "8"
    & skf18("7","9","1","2","1","3","1") = "8"
    & skf18("7","9","1","2","1","4","1") = "8"
    & skf18("7","9","1","2","1","5","1") = "8"
    & skf18("7","9","1","2","1","6","1") = "8"
    & skf18("7","9","1","2","1","7","1") = "8"
    & skf18("7","9","1","2","1","8","1") = "8"
    & skf18("7","9","1","2","1","9","1") = "8"
    & skf18("7","9","1","2","1","10","1") = "9"
    & skf18("7","9","1","2","2","1","1") = "8"
    & skf18("7","9","1","2","2","2","1") = "8"
    & skf18("7","9","1","2","2","3","1") = "8"
    & skf18("7","9","1","2","2","4","1") = "8"
    & skf18("7","9","1","2","2","5","1") = "8"
    & skf18("7","9","1","2","2","6","1") = "8"
    & skf18("7","9","1","2","2","7","1") = "8"
    & skf18("7","9","1","2","2","8","1") = "8"
    & skf18("7","9","1","2","2","9","1") = "8"
    & skf18("7","9","1","2","2","10","1") = "9"
    & skf18("7","9","1","2","3","1","1") = "8"
    & skf18("7","9","1","2","3","2","1") = "8"
    & skf18("7","9","1","2","3","3","1") = "8"
    & skf18("7","9","1","2","3","4","1") = "8"
    & skf18("7","9","1","2","3","5","1") = "8"
    & skf18("7","9","1","2","3","6","1") = "8"
    & skf18("7","9","1","2","3","7","1") = "8"
    & skf18("7","9","1","2","3","8","1") = "8"
    & skf18("7","9","1","2","3","9","1") = "8"
    & skf18("7","9","1","2","3","10","1") = "9"
    & skf18("7","9","1","2","4","1","1") = "8"
    & skf18("7","9","1","2","4","2","1") = "8"
    & skf18("7","9","1","2","4","3","1") = "8"
    & skf18("7","9","1","2","4","4","1") = "8"
    & skf18("7","9","1","2","4","5","1") = "8"
    & skf18("7","9","1","2","4","6","1") = "8"
    & skf18("7","9","1","2","4","7","1") = "8"
    & skf18("7","9","1","2","4","8","1") = "8"
    & skf18("7","9","1","2","4","9","1") = "8"
    & skf18("7","9","1","2","4","10","1") = "9"
    & skf18("7","9","1","2","5","1","1") = "8"
    & skf18("7","9","1","2","5","2","1") = "8"
    & skf18("7","9","1","2","5","3","1") = "8"
    & skf18("7","9","1","2","5","4","1") = "8"
    & skf18("7","9","1","2","5","5","1") = "8"
    & skf18("7","9","1","2","5","6","1") = "8"
    & skf18("7","9","1","2","5","7","1") = "8"
    & skf18("7","9","1","2","5","8","1") = "8"
    & skf18("7","9","1","2","5","9","1") = "8"
    & skf18("7","9","1","2","5","10","1") = "9"
    & skf18("7","9","1","2","6","1","1") = "8"
    & skf18("7","9","1","2","6","2","1") = "8"
    & skf18("7","9","1","2","6","3","1") = "8"
    & skf18("7","9","1","2","6","4","1") = "8"
    & skf18("7","9","1","2","6","5","1") = "8"
    & skf18("7","9","1","2","6","6","1") = "8"
    & skf18("7","9","1","2","6","7","1") = "8"
    & skf18("7","9","1","2","6","8","1") = "8"
    & skf18("7","9","1","2","6","9","1") = "8"
    & skf18("7","9","1","2","6","10","1") = "9"
    & skf18("7","9","1","2","7","1","1") = "8"
    & skf18("7","9","1","2","7","2","1") = "8"
    & skf18("7","9","1","2","7","3","1") = "8"
    & skf18("7","9","1","2","7","4","1") = "8"
    & skf18("7","9","1","2","7","5","1") = "8"
    & skf18("7","9","1","2","7","6","1") = "8"
    & skf18("7","9","1","2","7","7","1") = "8"
    & skf18("7","9","1","2","7","8","1") = "8"
    & skf18("7","9","1","2","7","9","1") = "8"
    & skf18("7","9","1","2","7","10","1") = "9"
    & skf18("7","9","1","2","8","1","1") = "8"
    & skf18("7","9","1","2","8","2","1") = "8"
    & skf18("7","9","1","2","8","3","1") = "8"
    & skf18("7","9","1","2","8","4","1") = "8"
    & skf18("7","9","1","2","8","5","1") = "8"
    & skf18("7","9","1","2","8","6","1") = "8"
    & skf18("7","9","1","2","8","7","1") = "8"
    & skf18("7","9","1","2","8","8","1") = "8"
    & skf18("7","9","1","2","8","9","1") = "8"
    & skf18("7","9","1","2","8","10","1") = "9"
    & skf18("7","9","1","2","9","1","1") = "8"
    & skf18("7","9","1","2","9","2","1") = "8"
    & skf18("7","9","1","2","9","3","1") = "8"
    & skf18("7","9","1","2","9","4","1") = "8"
    & skf18("7","9","1","2","9","5","1") = "8"
    & skf18("7","9","1","2","9","6","1") = "8"
    & skf18("7","9","1","2","9","7","1") = "8"
    & skf18("7","9","1","2","9","8","1") = "8"
    & skf18("7","9","1","2","9","9","1") = "8"
    & skf18("7","9","1","2","9","10","1") = "9"
    & skf18("7","9","1","2","10","1","1") = "9"
    & skf18("7","9","1","2","10","2","1") = "9"
    & skf18("7","9","1","2","10","3","1") = "9"
    & skf18("7","9","1","2","10","4","1") = "9"
    & skf18("7","9","1","2","10","5","1") = "9"
    & skf18("7","9","1","2","10","6","1") = "9"
    & skf18("7","9","1","2","10","7","1") = "9"
    & skf18("7","9","1","2","10","8","1") = "9"
    & skf18("7","9","1","2","10","9","1") = "9"
    & skf18("7","9","1","2","10","10","1") = "9"
    & skf18("7","9","1","3","1","1","1") = "8"
    & skf18("7","9","1","3","1","2","1") = "8"
    & skf18("7","9","1","3","1","3","1") = "8"
    & skf18("7","9","1","3","1","4","1") = "8"
    & skf18("7","9","1","3","1","5","1") = "8"
    & skf18("7","9","1","3","1","6","1") = "8"
    & skf18("7","9","1","3","1","7","1") = "8"
    & skf18("7","9","1","3","1","8","1") = "8"
    & skf18("7","9","1","3","1","9","1") = "8"
    & skf18("7","9","1","3","1","10","1") = "9"
    & skf18("7","9","1","3","2","1","1") = "8"
    & skf18("7","9","1","3","2","2","1") = "8"
    & skf18("7","9","1","3","2","3","1") = "8"
    & skf18("7","9","1","3","2","4","1") = "8"
    & skf18("7","9","1","3","2","5","1") = "8"
    & skf18("7","9","1","3","2","6","1") = "8"
    & skf18("7","9","1","3","2","7","1") = "8"
    & skf18("7","9","1","3","2","8","1") = "8"
    & skf18("7","9","1","3","2","9","1") = "8"
    & skf18("7","9","1","3","2","10","1") = "9"
    & skf18("7","9","1","3","3","1","1") = "8"
    & skf18("7","9","1","3","3","2","1") = "8"
    & skf18("7","9","1","3","3","3","1") = "8"
    & skf18("7","9","1","3","3","4","1") = "8"
    & skf18("7","9","1","3","3","5","1") = "8"
    & skf18("7","9","1","3","3","6","1") = "8"
    & skf18("7","9","1","3","3","7","1") = "8"
    & skf18("7","9","1","3","3","8","1") = "8"
    & skf18("7","9","1","3","3","9","1") = "8"
    & skf18("7","9","1","3","3","10","1") = "9"
    & skf18("7","9","1","3","4","1","1") = "8"
    & skf18("7","9","1","3","4","2","1") = "8"
    & skf18("7","9","1","3","4","3","1") = "8"
    & skf18("7","9","1","3","4","4","1") = "8"
    & skf18("7","9","1","3","4","5","1") = "8"
    & skf18("7","9","1","3","4","6","1") = "8"
    & skf18("7","9","1","3","4","7","1") = "8"
    & skf18("7","9","1","3","4","8","1") = "8"
    & skf18("7","9","1","3","4","9","1") = "8"
    & skf18("7","9","1","3","4","10","1") = "9"
    & skf18("7","9","1","3","5","1","1") = "8"
    & skf18("7","9","1","3","5","2","1") = "8"
    & skf18("7","9","1","3","5","3","1") = "8"
    & skf18("7","9","1","3","5","4","1") = "8"
    & skf18("7","9","1","3","5","5","1") = "8"
    & skf18("7","9","1","3","5","6","1") = "8"
    & skf18("7","9","1","3","5","7","1") = "8"
    & skf18("7","9","1","3","5","8","1") = "8"
    & skf18("7","9","1","3","5","9","1") = "8"
    & skf18("7","9","1","3","5","10","1") = "9"
    & skf18("7","9","1","3","6","1","1") = "8"
    & skf18("7","9","1","3","6","2","1") = "8"
    & skf18("7","9","1","3","6","3","1") = "8"
    & skf18("7","9","1","3","6","4","1") = "8"
    & skf18("7","9","1","3","6","5","1") = "8"
    & skf18("7","9","1","3","6","6","1") = "8"
    & skf18("7","9","1","3","6","7","1") = "8"
    & skf18("7","9","1","3","6","8","1") = "8"
    & skf18("7","9","1","3","6","9","1") = "8"
    & skf18("7","9","1","3","6","10","1") = "9"
    & skf18("7","9","1","3","7","1","1") = "8"
    & skf18("7","9","1","3","7","2","1") = "8"
    & skf18("7","9","1","3","7","3","1") = "8"
    & skf18("7","9","1","3","7","4","1") = "8"
    & skf18("7","9","1","3","7","5","1") = "8"
    & skf18("7","9","1","3","7","6","1") = "8"
    & skf18("7","9","1","3","7","7","1") = "8"
    & skf18("7","9","1","3","7","8","1") = "8"
    & skf18("7","9","1","3","7","9","1") = "8"
    & skf18("7","9","1","3","7","10","1") = "9"
    & skf18("7","9","1","3","8","1","1") = "8"
    & skf18("7","9","1","3","8","2","1") = "8"
    & skf18("7","9","1","3","8","3","1") = "8"
    & skf18("7","9","1","3","8","4","1") = "8"
    & skf18("7","9","1","3","8","5","1") = "8"
    & skf18("7","9","1","3","8","6","1") = "8"
    & skf18("7","9","1","3","8","7","1") = "8"
    & skf18("7","9","1","3","8","8","1") = "8"
    & skf18("7","9","1","3","8","9","1") = "8"
    & skf18("7","9","1","3","8","10","1") = "9"
    & skf18("7","9","1","3","9","1","1") = "8"
    & skf18("7","9","1","3","9","2","1") = "8"
    & skf18("7","9","1","3","9","3","1") = "8"
    & skf18("7","9","1","3","9","4","1") = "8"
    & skf18("7","9","1","3","9","5","1") = "8"
    & skf18("7","9","1","3","9","6","1") = "8"
    & skf18("7","9","1","3","9","7","1") = "8"
    & skf18("7","9","1","3","9","8","1") = "8"
    & skf18("7","9","1","3","9","9","1") = "8"
    & skf18("7","9","1","3","9","10","1") = "9"
    & skf18("7","9","1","3","10","1","1") = "9"
    & skf18("7","9","1","3","10","2","1") = "9"
    & skf18("7","9","1","3","10","3","1") = "9"
    & skf18("7","9","1","3","10","4","1") = "9"
    & skf18("7","9","1","3","10","5","1") = "9"
    & skf18("7","9","1","3","10","6","1") = "9"
    & skf18("7","9","1","3","10","7","1") = "9"
    & skf18("7","9","1","3","10","8","1") = "9"
    & skf18("7","9","1","3","10","9","1") = "9"
    & skf18("7","9","1","3","10","10","1") = "9"
    & skf18("7","9","1","4","1","1","1") = "8"
    & skf18("7","9","1","4","1","2","1") = "8"
    & skf18("7","9","1","4","1","3","1") = "8"
    & skf18("7","9","1","4","1","4","1") = "8"
    & skf18("7","9","1","4","1","5","1") = "8"
    & skf18("7","9","1","4","1","6","1") = "8"
    & skf18("7","9","1","4","1","7","1") = "8"
    & skf18("7","9","1","4","1","8","1") = "8"
    & skf18("7","9","1","4","1","9","1") = "8"
    & skf18("7","9","1","4","1","10","1") = "9"
    & skf18("7","9","1","4","2","1","1") = "8"
    & skf18("7","9","1","4","2","2","1") = "8"
    & skf18("7","9","1","4","2","3","1") = "8"
    & skf18("7","9","1","4","2","4","1") = "8"
    & skf18("7","9","1","4","2","5","1") = "8"
    & skf18("7","9","1","4","2","6","1") = "8"
    & skf18("7","9","1","4","2","7","1") = "8"
    & skf18("7","9","1","4","2","8","1") = "8"
    & skf18("7","9","1","4","2","9","1") = "8"
    & skf18("7","9","1","4","2","10","1") = "9"
    & skf18("7","9","1","4","3","1","1") = "8"
    & skf18("7","9","1","4","3","2","1") = "8"
    & skf18("7","9","1","4","3","3","1") = "8"
    & skf18("7","9","1","4","3","4","1") = "8"
    & skf18("7","9","1","4","3","5","1") = "8"
    & skf18("7","9","1","4","3","6","1") = "8"
    & skf18("7","9","1","4","3","7","1") = "8"
    & skf18("7","9","1","4","3","8","1") = "8"
    & skf18("7","9","1","4","3","9","1") = "8"
    & skf18("7","9","1","4","3","10","1") = "9"
    & skf18("7","9","1","4","4","1","1") = "8"
    & skf18("7","9","1","4","4","2","1") = "8"
    & skf18("7","9","1","4","4","3","1") = "8"
    & skf18("7","9","1","4","4","4","1") = "8"
    & skf18("7","9","1","4","4","5","1") = "8"
    & skf18("7","9","1","4","4","6","1") = "8"
    & skf18("7","9","1","4","4","7","1") = "8"
    & skf18("7","9","1","4","4","8","1") = "8"
    & skf18("7","9","1","4","4","9","1") = "8"
    & skf18("7","9","1","4","4","10","1") = "9"
    & skf18("7","9","1","4","5","1","1") = "8"
    & skf18("7","9","1","4","5","2","1") = "8"
    & skf18("7","9","1","4","5","3","1") = "8"
    & skf18("7","9","1","4","5","4","1") = "8"
    & skf18("7","9","1","4","5","5","1") = "8"
    & skf18("7","9","1","4","5","6","1") = "8"
    & skf18("7","9","1","4","5","7","1") = "8"
    & skf18("7","9","1","4","5","8","1") = "8"
    & skf18("7","9","1","4","5","9","1") = "8"
    & skf18("7","9","1","4","5","10","1") = "9"
    & skf18("7","9","1","4","6","1","1") = "8"
    & skf18("7","9","1","4","6","2","1") = "8"
    & skf18("7","9","1","4","6","3","1") = "8"
    & skf18("7","9","1","4","6","4","1") = "8"
    & skf18("7","9","1","4","6","5","1") = "8"
    & skf18("7","9","1","4","6","6","1") = "8"
    & skf18("7","9","1","4","6","7","1") = "8"
    & skf18("7","9","1","4","6","8","1") = "8"
    & skf18("7","9","1","4","6","9","1") = "8"
    & skf18("7","9","1","4","6","10","1") = "9"
    & skf18("7","9","1","4","7","1","1") = "8"
    & skf18("7","9","1","4","7","2","1") = "8"
    & skf18("7","9","1","4","7","3","1") = "8"
    & skf18("7","9","1","4","7","4","1") = "8"
    & skf18("7","9","1","4","7","5","1") = "8"
    & skf18("7","9","1","4","7","6","1") = "8"
    & skf18("7","9","1","4","7","7","1") = "8"
    & skf18("7","9","1","4","7","8","1") = "8"
    & skf18("7","9","1","4","7","9","1") = "8"
    & skf18("7","9","1","4","7","10","1") = "9"
    & skf18("7","9","1","4","8","1","1") = "8"
    & skf18("7","9","1","4","8","2","1") = "8"
    & skf18("7","9","1","4","8","3","1") = "8"
    & skf18("7","9","1","4","8","4","1") = "8"
    & skf18("7","9","1","4","8","5","1") = "8"
    & skf18("7","9","1","4","8","6","1") = "8"
    & skf18("7","9","1","4","8","7","1") = "8"
    & skf18("7","9","1","4","8","8","1") = "8"
    & skf18("7","9","1","4","8","9","1") = "8"
    & skf18("7","9","1","4","8","10","1") = "9"
    & skf18("7","9","1","4","9","1","1") = "8"
    & skf18("7","9","1","4","9","2","1") = "8"
    & skf18("7","9","1","4","9","3","1") = "8"
    & skf18("7","9","1","4","9","4","1") = "8"
    & skf18("7","9","1","4","9","5","1") = "8"
    & skf18("7","9","1","4","9","6","1") = "8"
    & skf18("7","9","1","4","9","7","1") = "8"
    & skf18("7","9","1","4","9","8","1") = "8"
    & skf18("7","9","1","4","9","9","1") = "8"
    & skf18("7","9","1","4","9","10","1") = "9"
    & skf18("7","9","1","4","10","1","1") = "9"
    & skf18("7","9","1","4","10","2","1") = "9"
    & skf18("7","9","1","4","10","3","1") = "9"
    & skf18("7","9","1","4","10","4","1") = "9"
    & skf18("7","9","1","4","10","5","1") = "9"
    & skf18("7","9","1","4","10","6","1") = "9"
    & skf18("7","9","1","4","10","7","1") = "9"
    & skf18("7","9","1","4","10","8","1") = "9"
    & skf18("7","9","1","4","10","9","1") = "9"
    & skf18("7","9","1","4","10","10","1") = "9"
    & skf18("7","9","1","5","1","1","1") = "8"
    & skf18("7","9","1","5","1","2","1") = "8"
    & skf18("7","9","1","5","1","3","1") = "8"
    & skf18("7","9","1","5","1","4","1") = "8"
    & skf18("7","9","1","5","1","5","1") = "8"
    & skf18("7","9","1","5","1","6","1") = "8"
    & skf18("7","9","1","5","1","7","1") = "8"
    & skf18("7","9","1","5","1","8","1") = "8"
    & skf18("7","9","1","5","1","9","1") = "8"
    & skf18("7","9","1","5","1","10","1") = "9"
    & skf18("7","9","1","5","2","1","1") = "8"
    & skf18("7","9","1","5","2","2","1") = "8"
    & skf18("7","9","1","5","2","3","1") = "8"
    & skf18("7","9","1","5","2","4","1") = "8"
    & skf18("7","9","1","5","2","5","1") = "8"
    & skf18("7","9","1","5","2","6","1") = "8"
    & skf18("7","9","1","5","2","7","1") = "8"
    & skf18("7","9","1","5","2","8","1") = "8"
    & skf18("7","9","1","5","2","9","1") = "8"
    & skf18("7","9","1","5","2","10","1") = "9"
    & skf18("7","9","1","5","3","1","1") = "8"
    & skf18("7","9","1","5","3","2","1") = "8"
    & skf18("7","9","1","5","3","3","1") = "8"
    & skf18("7","9","1","5","3","4","1") = "8"
    & skf18("7","9","1","5","3","5","1") = "8"
    & skf18("7","9","1","5","3","6","1") = "8"
    & skf18("7","9","1","5","3","7","1") = "8"
    & skf18("7","9","1","5","3","8","1") = "8"
    & skf18("7","9","1","5","3","9","1") = "8"
    & skf18("7","9","1","5","3","10","1") = "9"
    & skf18("7","9","1","5","4","1","1") = "8"
    & skf18("7","9","1","5","4","2","1") = "8"
    & skf18("7","9","1","5","4","3","1") = "8"
    & skf18("7","9","1","5","4","4","1") = "8"
    & skf18("7","9","1","5","4","5","1") = "8"
    & skf18("7","9","1","5","4","6","1") = "8"
    & skf18("7","9","1","5","4","7","1") = "8"
    & skf18("7","9","1","5","4","8","1") = "8"
    & skf18("7","9","1","5","4","9","1") = "8"
    & skf18("7","9","1","5","4","10","1") = "9"
    & skf18("7","9","1","5","5","1","1") = "8"
    & skf18("7","9","1","5","5","2","1") = "8"
    & skf18("7","9","1","5","5","3","1") = "8"
    & skf18("7","9","1","5","5","4","1") = "8"
    & skf18("7","9","1","5","5","5","1") = "8"
    & skf18("7","9","1","5","5","6","1") = "8"
    & skf18("7","9","1","5","5","7","1") = "8"
    & skf18("7","9","1","5","5","8","1") = "8"
    & skf18("7","9","1","5","5","9","1") = "8"
    & skf18("7","9","1","5","5","10","1") = "9"
    & skf18("7","9","1","5","6","1","1") = "8"
    & skf18("7","9","1","5","6","2","1") = "8"
    & skf18("7","9","1","5","6","3","1") = "8"
    & skf18("7","9","1","5","6","4","1") = "8"
    & skf18("7","9","1","5","6","5","1") = "8"
    & skf18("7","9","1","5","6","6","1") = "8"
    & skf18("7","9","1","5","6","7","1") = "8"
    & skf18("7","9","1","5","6","8","1") = "8"
    & skf18("7","9","1","5","6","9","1") = "8"
    & skf18("7","9","1","5","6","10","1") = "9"
    & skf18("7","9","1","5","7","1","1") = "8"
    & skf18("7","9","1","5","7","2","1") = "8"
    & skf18("7","9","1","5","7","3","1") = "8"
    & skf18("7","9","1","5","7","4","1") = "8"
    & skf18("7","9","1","5","7","5","1") = "8"
    & skf18("7","9","1","5","7","6","1") = "8"
    & skf18("7","9","1","5","7","7","1") = "8"
    & skf18("7","9","1","5","7","8","1") = "8"
    & skf18("7","9","1","5","7","9","1") = "8"
    & skf18("7","9","1","5","7","10","1") = "9"
    & skf18("7","9","1","5","8","1","1") = "8"
    & skf18("7","9","1","5","8","2","1") = "8"
    & skf18("7","9","1","5","8","3","1") = "8"
    & skf18("7","9","1","5","8","4","1") = "8"
    & skf18("7","9","1","5","8","5","1") = "8"
    & skf18("7","9","1","5","8","6","1") = "8"
    & skf18("7","9","1","5","8","7","1") = "8"
    & skf18("7","9","1","5","8","8","1") = "8"
    & skf18("7","9","1","5","8","9","1") = "8"
    & skf18("7","9","1","5","8","10","1") = "9"
    & skf18("7","9","1","5","9","1","1") = "8"
    & skf18("7","9","1","5","9","2","1") = "8"
    & skf18("7","9","1","5","9","3","1") = "8"
    & skf18("7","9","1","5","9","4","1") = "8"
    & skf18("7","9","1","5","9","5","1") = "8"
    & skf18("7","9","1","5","9","6","1") = "8"
    & skf18("7","9","1","5","9","7","1") = "8"
    & skf18("7","9","1","5","9","8","1") = "8"
    & skf18("7","9","1","5","9","9","1") = "8"
    & skf18("7","9","1","5","9","10","1") = "9"
    & skf18("7","9","1","5","10","1","1") = "9"
    & skf18("7","9","1","5","10","2","1") = "9"
    & skf18("7","9","1","5","10","3","1") = "9"
    & skf18("7","9","1","5","10","4","1") = "9"
    & skf18("7","9","1","5","10","5","1") = "9"
    & skf18("7","9","1","5","10","6","1") = "9"
    & skf18("7","9","1","5","10","7","1") = "9"
    & skf18("7","9","1","5","10","8","1") = "9"
    & skf18("7","9","1","5","10","9","1") = "9"
    & skf18("7","9","1","5","10","10","1") = "9"
    & skf18("7","9","1","6","1","1","1") = "8"
    & skf18("7","9","1","6","1","2","1") = "8"
    & skf18("7","9","1","6","1","3","1") = "8"
    & skf18("7","9","1","6","1","4","1") = "8"
    & skf18("7","9","1","6","1","5","1") = "8"
    & skf18("7","9","1","6","1","6","1") = "8"
    & skf18("7","9","1","6","1","7","1") = "8"
    & skf18("7","9","1","6","1","8","1") = "8"
    & skf18("7","9","1","6","1","9","1") = "8"
    & skf18("7","9","1","6","1","10","1") = "9"
    & skf18("7","9","1","6","2","1","1") = "8"
    & skf18("7","9","1","6","2","2","1") = "8"
    & skf18("7","9","1","6","2","3","1") = "8"
    & skf18("7","9","1","6","2","4","1") = "8"
    & skf18("7","9","1","6","2","5","1") = "8"
    & skf18("7","9","1","6","2","6","1") = "8"
    & skf18("7","9","1","6","2","7","1") = "8"
    & skf18("7","9","1","6","2","8","1") = "8"
    & skf18("7","9","1","6","2","9","1") = "8"
    & skf18("7","9","1","6","2","10","1") = "9"
    & skf18("7","9","1","6","3","1","1") = "8"
    & skf18("7","9","1","6","3","2","1") = "8"
    & skf18("7","9","1","6","3","3","1") = "8"
    & skf18("7","9","1","6","3","4","1") = "8"
    & skf18("7","9","1","6","3","5","1") = "8"
    & skf18("7","9","1","6","3","6","1") = "8"
    & skf18("7","9","1","6","3","7","1") = "8"
    & skf18("7","9","1","6","3","8","1") = "8"
    & skf18("7","9","1","6","3","9","1") = "8"
    & skf18("7","9","1","6","3","10","1") = "9"
    & skf18("7","9","1","6","4","1","1") = "8"
    & skf18("7","9","1","6","4","2","1") = "8"
    & skf18("7","9","1","6","4","3","1") = "8"
    & skf18("7","9","1","6","4","4","1") = "8"
    & skf18("7","9","1","6","4","5","1") = "8"
    & skf18("7","9","1","6","4","6","1") = "8"
    & skf18("7","9","1","6","4","7","1") = "8"
    & skf18("7","9","1","6","4","8","1") = "8"
    & skf18("7","9","1","6","4","9","1") = "8"
    & skf18("7","9","1","6","4","10","1") = "9"
    & skf18("7","9","1","6","5","1","1") = "8"
    & skf18("7","9","1","6","5","2","1") = "8"
    & skf18("7","9","1","6","5","3","1") = "8"
    & skf18("7","9","1","6","5","4","1") = "8"
    & skf18("7","9","1","6","5","5","1") = "8"
    & skf18("7","9","1","6","5","6","1") = "8"
    & skf18("7","9","1","6","5","7","1") = "8"
    & skf18("7","9","1","6","5","8","1") = "8"
    & skf18("7","9","1","6","5","9","1") = "8"
    & skf18("7","9","1","6","5","10","1") = "9"
    & skf18("7","9","1","6","6","1","1") = "8"
    & skf18("7","9","1","6","6","2","1") = "8"
    & skf18("7","9","1","6","6","3","1") = "8"
    & skf18("7","9","1","6","6","4","1") = "8"
    & skf18("7","9","1","6","6","5","1") = "8"
    & skf18("7","9","1","6","6","6","1") = "8"
    & skf18("7","9","1","6","6","7","1") = "8"
    & skf18("7","9","1","6","6","8","1") = "8"
    & skf18("7","9","1","6","6","9","1") = "8"
    & skf18("7","9","1","6","6","10","1") = "9"
    & skf18("7","9","1","6","7","1","1") = "8"
    & skf18("7","9","1","6","7","2","1") = "8"
    & skf18("7","9","1","6","7","3","1") = "8"
    & skf18("7","9","1","6","7","4","1") = "8"
    & skf18("7","9","1","6","7","5","1") = "8"
    & skf18("7","9","1","6","7","6","1") = "8"
    & skf18("7","9","1","6","7","7","1") = "8"
    & skf18("7","9","1","6","7","8","1") = "8"
    & skf18("7","9","1","6","7","9","1") = "8"
    & skf18("7","9","1","6","7","10","1") = "9"
    & skf18("7","9","1","6","8","1","1") = "8"
    & skf18("7","9","1","6","8","2","1") = "8"
    & skf18("7","9","1","6","8","3","1") = "8"
    & skf18("7","9","1","6","8","4","1") = "8"
    & skf18("7","9","1","6","8","5","1") = "8"
    & skf18("7","9","1","6","8","6","1") = "8"
    & skf18("7","9","1","6","8","7","1") = "8"
    & skf18("7","9","1","6","8","8","1") = "8"
    & skf18("7","9","1","6","8","9","1") = "8"
    & skf18("7","9","1","6","8","10","1") = "9"
    & skf18("7","9","1","6","9","1","1") = "8"
    & skf18("7","9","1","6","9","2","1") = "8"
    & skf18("7","9","1","6","9","3","1") = "8"
    & skf18("7","9","1","6","9","4","1") = "8"
    & skf18("7","9","1","6","9","5","1") = "8"
    & skf18("7","9","1","6","9","6","1") = "8"
    & skf18("7","9","1","6","9","7","1") = "8"
    & skf18("7","9","1","6","9","8","1") = "8"
    & skf18("7","9","1","6","9","9","1") = "8"
    & skf18("7","9","1","6","9","10","1") = "9"
    & skf18("7","9","1","6","10","1","1") = "9"
    & skf18("7","9","1","6","10","2","1") = "9"
    & skf18("7","9","1","6","10","3","1") = "9"
    & skf18("7","9","1","6","10","4","1") = "9"
    & skf18("7","9","1","6","10","5","1") = "9"
    & skf18("7","9","1","6","10","6","1") = "9"
    & skf18("7","9","1","6","10","7","1") = "9"
    & skf18("7","9","1","6","10","8","1") = "9"
    & skf18("7","9","1","6","10","9","1") = "9"
    & skf18("7","9","1","6","10","10","1") = "9"
    & skf18("7","9","1","7","1","1","1") = "8"
    & skf18("7","9","1","7","1","2","1") = "8"
    & skf18("7","9","1","7","1","3","1") = "8"
    & skf18("7","9","1","7","1","4","1") = "8"
    & skf18("7","9","1","7","1","5","1") = "8"
    & skf18("7","9","1","7","1","6","1") = "8"
    & skf18("7","9","1","7","1","7","1") = "8"
    & skf18("7","9","1","7","1","8","1") = "8"
    & skf18("7","9","1","7","1","9","1") = "8"
    & skf18("7","9","1","7","1","10","1") = "9"
    & skf18("7","9","1","7","2","1","1") = "8"
    & skf18("7","9","1","7","2","2","1") = "8"
    & skf18("7","9","1","7","2","3","1") = "8"
    & skf18("7","9","1","7","2","4","1") = "8"
    & skf18("7","9","1","7","2","5","1") = "8"
    & skf18("7","9","1","7","2","6","1") = "8"
    & skf18("7","9","1","7","2","7","1") = "8"
    & skf18("7","9","1","7","2","8","1") = "8"
    & skf18("7","9","1","7","2","9","1") = "8"
    & skf18("7","9","1","7","2","10","1") = "9"
    & skf18("7","9","1","7","3","1","1") = "8"
    & skf18("7","9","1","7","3","2","1") = "8"
    & skf18("7","9","1","7","3","3","1") = "8"
    & skf18("7","9","1","7","3","4","1") = "8"
    & skf18("7","9","1","7","3","5","1") = "8"
    & skf18("7","9","1","7","3","6","1") = "8"
    & skf18("7","9","1","7","3","7","1") = "8"
    & skf18("7","9","1","7","3","8","1") = "8"
    & skf18("7","9","1","7","3","9","1") = "8"
    & skf18("7","9","1","7","3","10","1") = "9"
    & skf18("7","9","1","7","4","1","1") = "8"
    & skf18("7","9","1","7","4","2","1") = "8"
    & skf18("7","9","1","7","4","3","1") = "8"
    & skf18("7","9","1","7","4","4","1") = "8"
    & skf18("7","9","1","7","4","5","1") = "8"
    & skf18("7","9","1","7","4","6","1") = "8"
    & skf18("7","9","1","7","4","7","1") = "8"
    & skf18("7","9","1","7","4","8","1") = "8"
    & skf18("7","9","1","7","4","9","1") = "8"
    & skf18("7","9","1","7","4","10","1") = "9"
    & skf18("7","9","1","7","5","1","1") = "8"
    & skf18("7","9","1","7","5","2","1") = "8"
    & skf18("7","9","1","7","5","3","1") = "8"
    & skf18("7","9","1","7","5","4","1") = "8"
    & skf18("7","9","1","7","5","5","1") = "8"
    & skf18("7","9","1","7","5","6","1") = "8"
    & skf18("7","9","1","7","5","7","1") = "8"
    & skf18("7","9","1","7","5","8","1") = "8"
    & skf18("7","9","1","7","5","9","1") = "8"
    & skf18("7","9","1","7","5","10","1") = "9"
    & skf18("7","9","1","7","6","1","1") = "8"
    & skf18("7","9","1","7","6","2","1") = "8"
    & skf18("7","9","1","7","6","3","1") = "8"
    & skf18("7","9","1","7","6","4","1") = "8"
    & skf18("7","9","1","7","6","5","1") = "8"
    & skf18("7","9","1","7","6","6","1") = "8"
    & skf18("7","9","1","7","6","7","1") = "8"
    & skf18("7","9","1","7","6","8","1") = "8"
    & skf18("7","9","1","7","6","9","1") = "8"
    & skf18("7","9","1","7","6","10","1") = "9"
    & skf18("7","9","1","7","7","1","1") = "8"
    & skf18("7","9","1","7","7","2","1") = "8"
    & skf18("7","9","1","7","7","3","1") = "8"
    & skf18("7","9","1","7","7","4","1") = "8"
    & skf18("7","9","1","7","7","5","1") = "8"
    & skf18("7","9","1","7","7","6","1") = "8"
    & skf18("7","9","1","7","7","7","1") = "8"
    & skf18("7","9","1","7","7","8","1") = "8"
    & skf18("7","9","1","7","7","9","1") = "8"
    & skf18("7","9","1","7","7","10","1") = "9"
    & skf18("7","9","1","7","8","1","1") = "8"
    & skf18("7","9","1","7","8","2","1") = "8"
    & skf18("7","9","1","7","8","3","1") = "8"
    & skf18("7","9","1","7","8","4","1") = "8"
    & skf18("7","9","1","7","8","5","1") = "8"
    & skf18("7","9","1","7","8","6","1") = "8"
    & skf18("7","9","1","7","8","7","1") = "8"
    & skf18("7","9","1","7","8","8","1") = "8"
    & skf18("7","9","1","7","8","9","1") = "8"
    & skf18("7","9","1","7","8","10","1") = "9"
    & skf18("7","9","1","7","9","1","1") = "8"
    & skf18("7","9","1","7","9","2","1") = "8"
    & skf18("7","9","1","7","9","3","1") = "8"
    & skf18("7","9","1","7","9","4","1") = "8"
    & skf18("7","9","1","7","9","5","1") = "8"
    & skf18("7","9","1","7","9","6","1") = "8"
    & skf18("7","9","1","7","9","7","1") = "8"
    & skf18("7","9","1","7","9","8","1") = "8"
    & skf18("7","9","1","7","9","9","1") = "8"
    & skf18("7","9","1","7","9","10","1") = "9"
    & skf18("7","9","1","7","10","1","1") = "9"
    & skf18("7","9","1","7","10","2","1") = "9"
    & skf18("7","9","1","7","10","3","1") = "9"
    & skf18("7","9","1","7","10","4","1") = "9"
    & skf18("7","9","1","7","10","5","1") = "9"
    & skf18("7","9","1","7","10","6","1") = "9"
    & skf18("7","9","1","7","10","7","1") = "9"
    & skf18("7","9","1","7","10","8","1") = "9"
    & skf18("7","9","1","7","10","9","1") = "9"
    & skf18("7","9","1","7","10","10","1") = "9"
    & skf18("7","9","1","8","1","1","1") = "8"
    & skf18("7","9","1","8","1","2","1") = "8"
    & skf18("7","9","1","8","1","3","1") = "8"
    & skf18("7","9","1","8","1","4","1") = "8"
    & skf18("7","9","1","8","1","5","1") = "8"
    & skf18("7","9","1","8","1","6","1") = "8"
    & skf18("7","9","1","8","1","7","1") = "8"
    & skf18("7","9","1","8","1","8","1") = "8"
    & skf18("7","9","1","8","1","9","1") = "8"
    & skf18("7","9","1","8","1","10","1") = "9"
    & skf18("7","9","1","8","2","1","1") = "8"
    & skf18("7","9","1","8","2","2","1") = "8"
    & skf18("7","9","1","8","2","3","1") = "8"
    & skf18("7","9","1","8","2","4","1") = "8"
    & skf18("7","9","1","8","2","5","1") = "8"
    & skf18("7","9","1","8","2","6","1") = "8"
    & skf18("7","9","1","8","2","7","1") = "8"
    & skf18("7","9","1","8","2","8","1") = "8"
    & skf18("7","9","1","8","2","9","1") = "8"
    & skf18("7","9","1","8","2","10","1") = "9"
    & skf18("7","9","1","8","3","1","1") = "8"
    & skf18("7","9","1","8","3","2","1") = "8"
    & skf18("7","9","1","8","3","3","1") = "8"
    & skf18("7","9","1","8","3","4","1") = "8"
    & skf18("7","9","1","8","3","5","1") = "8"
    & skf18("7","9","1","8","3","6","1") = "8"
    & skf18("7","9","1","8","3","7","1") = "8"
    & skf18("7","9","1","8","3","8","1") = "8"
    & skf18("7","9","1","8","3","9","1") = "8"
    & skf18("7","9","1","8","3","10","1") = "9"
    & skf18("7","9","1","8","4","1","1") = "8"
    & skf18("7","9","1","8","4","2","1") = "8"
    & skf18("7","9","1","8","4","3","1") = "8"
    & skf18("7","9","1","8","4","4","1") = "8"
    & skf18("7","9","1","8","4","5","1") = "8"
    & skf18("7","9","1","8","4","6","1") = "8"
    & skf18("7","9","1","8","4","7","1") = "8"
    & skf18("7","9","1","8","4","8","1") = "8"
    & skf18("7","9","1","8","4","9","1") = "8"
    & skf18("7","9","1","8","4","10","1") = "9"
    & skf18("7","9","1","8","5","1","1") = "8"
    & skf18("7","9","1","8","5","2","1") = "8"
    & skf18("7","9","1","8","5","3","1") = "8"
    & skf18("7","9","1","8","5","4","1") = "8"
    & skf18("7","9","1","8","5","5","1") = "8"
    & skf18("7","9","1","8","5","6","1") = "8"
    & skf18("7","9","1","8","5","7","1") = "8"
    & skf18("7","9","1","8","5","8","1") = "8"
    & skf18("7","9","1","8","5","9","1") = "8"
    & skf18("7","9","1","8","5","10","1") = "9"
    & skf18("7","9","1","8","6","1","1") = "8"
    & skf18("7","9","1","8","6","2","1") = "8"
    & skf18("7","9","1","8","6","3","1") = "8"
    & skf18("7","9","1","8","6","4","1") = "8"
    & skf18("7","9","1","8","6","5","1") = "8"
    & skf18("7","9","1","8","6","6","1") = "8"
    & skf18("7","9","1","8","6","7","1") = "8"
    & skf18("7","9","1","8","6","8","1") = "8"
    & skf18("7","9","1","8","6","9","1") = "8"
    & skf18("7","9","1","8","6","10","1") = "9"
    & skf18("7","9","1","8","7","1","1") = "8"
    & skf18("7","9","1","8","7","2","1") = "8"
    & skf18("7","9","1","8","7","3","1") = "8"
    & skf18("7","9","1","8","7","4","1") = "8"
    & skf18("7","9","1","8","7","5","1") = "8"
    & skf18("7","9","1","8","7","6","1") = "8"
    & skf18("7","9","1","8","7","7","1") = "8"
    & skf18("7","9","1","8","7","8","1") = "8"
    & skf18("7","9","1","8","7","9","1") = "8"
    & skf18("7","9","1","8","7","10","1") = "9"
    & skf18("7","9","1","8","8","1","1") = "8"
    & skf18("7","9","1","8","8","2","1") = "8"
    & skf18("7","9","1","8","8","3","1") = "8"
    & skf18("7","9","1","8","8","4","1") = "8"
    & skf18("7","9","1","8","8","5","1") = "8"
    & skf18("7","9","1","8","8","6","1") = "8"
    & skf18("7","9","1","8","8","7","1") = "8"
    & skf18("7","9","1","8","8","8","1") = "8"
    & skf18("7","9","1","8","8","9","1") = "8"
    & skf18("7","9","1","8","8","10","1") = "9"
    & skf18("7","9","1","8","9","1","1") = "8"
    & skf18("7","9","1","8","9","2","1") = "8"
    & skf18("7","9","1","8","9","3","1") = "8"
    & skf18("7","9","1","8","9","4","1") = "8"
    & skf18("7","9","1","8","9","5","1") = "8"
    & skf18("7","9","1","8","9","6","1") = "8"
    & skf18("7","9","1","8","9","7","1") = "8"
    & skf18("7","9","1","8","9","8","1") = "8"
    & skf18("7","9","1","8","9","9","1") = "8"
    & skf18("7","9","1","8","9","10","1") = "9"
    & skf18("7","9","1","8","10","1","1") = "9"
    & skf18("7","9","1","8","10","2","1") = "9"
    & skf18("7","9","1","8","10","3","1") = "9"
    & skf18("7","9","1","8","10","4","1") = "9"
    & skf18("7","9","1","8","10","5","1") = "9"
    & skf18("7","9","1","8","10","6","1") = "9"
    & skf18("7","9","1","8","10","7","1") = "9"
    & skf18("7","9","1","8","10","8","1") = "9"
    & skf18("7","9","1","8","10","9","1") = "9"
    & skf18("7","9","1","8","10","10","1") = "9"
    & skf18("7","9","1","9","1","1","1") = "8"
    & skf18("7","9","1","9","1","2","1") = "8"
    & skf18("7","9","1","9","1","3","1") = "8"
    & skf18("7","9","1","9","1","4","1") = "8"
    & skf18("7","9","1","9","1","5","1") = "8"
    & skf18("7","9","1","9","1","6","1") = "8"
    & skf18("7","9","1","9","1","7","1") = "8"
    & skf18("7","9","1","9","1","8","1") = "8"
    & skf18("7","9","1","9","1","9","1") = "8"
    & skf18("7","9","1","9","1","10","1") = "9"
    & skf18("7","9","1","9","2","1","1") = "8"
    & skf18("7","9","1","9","2","2","1") = "8"
    & skf18("7","9","1","9","2","3","1") = "8"
    & skf18("7","9","1","9","2","4","1") = "8"
    & skf18("7","9","1","9","2","5","1") = "8"
    & skf18("7","9","1","9","2","6","1") = "8"
    & skf18("7","9","1","9","2","7","1") = "8"
    & skf18("7","9","1","9","2","8","1") = "8"
    & skf18("7","9","1","9","2","9","1") = "8"
    & skf18("7","9","1","9","2","10","1") = "9"
    & skf18("7","9","1","9","3","1","1") = "8"
    & skf18("7","9","1","9","3","2","1") = "8"
    & skf18("7","9","1","9","3","3","1") = "8"
    & skf18("7","9","1","9","3","4","1") = "8"
    & skf18("7","9","1","9","3","5","1") = "8"
    & skf18("7","9","1","9","3","6","1") = "8"
    & skf18("7","9","1","9","3","7","1") = "8"
    & skf18("7","9","1","9","3","8","1") = "8"
    & skf18("7","9","1","9","3","9","1") = "8"
    & skf18("7","9","1","9","3","10","1") = "9"
    & skf18("7","9","1","9","4","1","1") = "8"
    & skf18("7","9","1","9","4","2","1") = "8"
    & skf18("7","9","1","9","4","3","1") = "8"
    & skf18("7","9","1","9","4","4","1") = "8"
    & skf18("7","9","1","9","4","5","1") = "8"
    & skf18("7","9","1","9","4","6","1") = "8"
    & skf18("7","9","1","9","4","7","1") = "8"
    & skf18("7","9","1","9","4","8","1") = "8"
    & skf18("7","9","1","9","4","9","1") = "8"
    & skf18("7","9","1","9","4","10","1") = "9"
    & skf18("7","9","1","9","5","1","1") = "8"
    & skf18("7","9","1","9","5","2","1") = "8"
    & skf18("7","9","1","9","5","3","1") = "8"
    & skf18("7","9","1","9","5","4","1") = "8"
    & skf18("7","9","1","9","5","5","1") = "8"
    & skf18("7","9","1","9","5","6","1") = "8"
    & skf18("7","9","1","9","5","7","1") = "8"
    & skf18("7","9","1","9","5","8","1") = "8"
    & skf18("7","9","1","9","5","9","1") = "8"
    & skf18("7","9","1","9","5","10","1") = "9"
    & skf18("7","9","1","9","6","1","1") = "8"
    & skf18("7","9","1","9","6","2","1") = "8"
    & skf18("7","9","1","9","6","3","1") = "8"
    & skf18("7","9","1","9","6","4","1") = "8"
    & skf18("7","9","1","9","6","5","1") = "8"
    & skf18("7","9","1","9","6","6","1") = "8"
    & skf18("7","9","1","9","6","7","1") = "8"
    & skf18("7","9","1","9","6","8","1") = "8"
    & skf18("7","9","1","9","6","9","1") = "8"
    & skf18("7","9","1","9","6","10","1") = "9"
    & skf18("7","9","1","9","7","1","1") = "8"
    & skf18("7","9","1","9","7","2","1") = "8"
    & skf18("7","9","1","9","7","3","1") = "8"
    & skf18("7","9","1","9","7","4","1") = "8"
    & skf18("7","9","1","9","7","5","1") = "8"
    & skf18("7","9","1","9","7","6","1") = "8"
    & skf18("7","9","1","9","7","7","1") = "8"
    & skf18("7","9","1","9","7","8","1") = "8"
    & skf18("7","9","1","9","7","9","1") = "8"
    & skf18("7","9","1","9","7","10","1") = "9"
    & skf18("7","9","1","9","8","1","1") = "8"
    & skf18("7","9","1","9","8","2","1") = "8"
    & skf18("7","9","1","9","8","3","1") = "8"
    & skf18("7","9","1","9","8","4","1") = "8"
    & skf18("7","9","1","9","8","5","1") = "8"
    & skf18("7","9","1","9","8","6","1") = "8"
    & skf18("7","9","1","9","8","7","1") = "8"
    & skf18("7","9","1","9","8","8","1") = "8"
    & skf18("7","9","1","9","8","9","1") = "8"
    & skf18("7","9","1","9","8","10","1") = "9"
    & skf18("7","9","1","9","9","1","1") = "8"
    & skf18("7","9","1","9","9","2","1") = "8"
    & skf18("7","9","1","9","9","3","1") = "8"
    & skf18("7","9","1","9","9","4","1") = "8"
    & skf18("7","9","1","9","9","5","1") = "8"
    & skf18("7","9","1","9","9","6","1") = "8"
    & skf18("7","9","1","9","9","7","1") = "8"
    & skf18("7","9","1","9","9","8","1") = "8"
    & skf18("7","9","1","9","9","9","1") = "8"
    & skf18("7","9","1","9","9","10","1") = "9"
    & skf18("7","9","1","9","10","1","1") = "9"
    & skf18("7","9","1","9","10","2","1") = "9"
    & skf18("7","9","1","9","10","3","1") = "9"
    & skf18("7","9","1","9","10","4","1") = "9"
    & skf18("7","9","1","9","10","5","1") = "9"
    & skf18("7","9","1","9","10","6","1") = "9"
    & skf18("7","9","1","9","10","7","1") = "9"
    & skf18("7","9","1","9","10","8","1") = "9"
    & skf18("7","9","1","9","10","9","1") = "9"
    & skf18("7","9","1","9","10","10","1") = "9"
    & skf18("7","9","1","10","1","1","1") = "9"
    & skf18("7","9","1","10","1","2","1") = "9"
    & skf18("7","9","1","10","1","3","1") = "9"
    & skf18("7","9","1","10","1","4","1") = "9"
    & skf18("7","9","1","10","1","5","1") = "9"
    & skf18("7","9","1","10","1","6","1") = "9"
    & skf18("7","9","1","10","1","7","1") = "9"
    & skf18("7","9","1","10","1","8","1") = "9"
    & skf18("7","9","1","10","1","9","1") = "9"
    & skf18("7","9","1","10","1","10","1") = "9"
    & skf18("7","9","1","10","2","1","1") = "9"
    & skf18("7","9","1","10","2","2","1") = "9"
    & skf18("7","9","1","10","2","3","1") = "9"
    & skf18("7","9","1","10","2","4","1") = "9"
    & skf18("7","9","1","10","2","5","1") = "9"
    & skf18("7","9","1","10","2","6","1") = "9"
    & skf18("7","9","1","10","2","7","1") = "9"
    & skf18("7","9","1","10","2","8","1") = "9"
    & skf18("7","9","1","10","2","9","1") = "9"
    & skf18("7","9","1","10","2","10","1") = "9"
    & skf18("7","9","1","10","3","1","1") = "9"
    & skf18("7","9","1","10","3","2","1") = "9"
    & skf18("7","9","1","10","3","3","1") = "9"
    & skf18("7","9","1","10","3","4","1") = "9"
    & skf18("7","9","1","10","3","5","1") = "9"
    & skf18("7","9","1","10","3","6","1") = "9"
    & skf18("7","9","1","10","3","7","1") = "9"
    & skf18("7","9","1","10","3","8","1") = "9"
    & skf18("7","9","1","10","3","9","1") = "9"
    & skf18("7","9","1","10","3","10","1") = "9"
    & skf18("7","9","1","10","4","1","1") = "9"
    & skf18("7","9","1","10","4","2","1") = "9"
    & skf18("7","9","1","10","4","3","1") = "9"
    & skf18("7","9","1","10","4","4","1") = "9"
    & skf18("7","9","1","10","4","5","1") = "9"
    & skf18("7","9","1","10","4","6","1") = "9"
    & skf18("7","9","1","10","4","7","1") = "9"
    & skf18("7","9","1","10","4","8","1") = "9"
    & skf18("7","9","1","10","4","9","1") = "9"
    & skf18("7","9","1","10","4","10","1") = "9"
    & skf18("7","9","1","10","5","1","1") = "9"
    & skf18("7","9","1","10","5","2","1") = "9"
    & skf18("7","9","1","10","5","3","1") = "9"
    & skf18("7","9","1","10","5","4","1") = "9"
    & skf18("7","9","1","10","5","5","1") = "9"
    & skf18("7","9","1","10","5","6","1") = "9"
    & skf18("7","9","1","10","5","7","1") = "9"
    & skf18("7","9","1","10","5","8","1") = "9"
    & skf18("7","9","1","10","5","9","1") = "9"
    & skf18("7","9","1","10","5","10","1") = "9"
    & skf18("7","9","1","10","6","1","1") = "9"
    & skf18("7","9","1","10","6","2","1") = "9"
    & skf18("7","9","1","10","6","3","1") = "9"
    & skf18("7","9","1","10","6","4","1") = "9"
    & skf18("7","9","1","10","6","5","1") = "9"
    & skf18("7","9","1","10","6","6","1") = "9"
    & skf18("7","9","1","10","6","7","1") = "9"
    & skf18("7","9","1","10","6","8","1") = "9"
    & skf18("7","9","1","10","6","9","1") = "9"
    & skf18("7","9","1","10","6","10","1") = "9"
    & skf18("7","9","1","10","7","1","1") = "9"
    & skf18("7","9","1","10","7","2","1") = "9"
    & skf18("7","9","1","10","7","3","1") = "9"
    & skf18("7","9","1","10","7","4","1") = "9"
    & skf18("7","9","1","10","7","5","1") = "9"
    & skf18("7","9","1","10","7","6","1") = "9"
    & skf18("7","9","1","10","7","7","1") = "9"
    & skf18("7","9","1","10","7","8","1") = "9"
    & skf18("7","9","1","10","7","9","1") = "9"
    & skf18("7","9","1","10","7","10","1") = "9"
    & skf18("7","9","1","10","8","1","1") = "9"
    & skf18("7","9","1","10","8","2","1") = "9"
    & skf18("7","9","1","10","8","3","1") = "9"
    & skf18("7","9","1","10","8","4","1") = "9"
    & skf18("7","9","1","10","8","5","1") = "9"
    & skf18("7","9","1","10","8","6","1") = "9"
    & skf18("7","9","1","10","8","7","1") = "9"
    & skf18("7","9","1","10","8","8","1") = "9"
    & skf18("7","9","1","10","8","9","1") = "9"
    & skf18("7","9","1","10","8","10","1") = "9"
    & skf18("7","9","1","10","9","1","1") = "9"
    & skf18("7","9","1","10","9","2","1") = "9"
    & skf18("7","9","1","10","9","3","1") = "9"
    & skf18("7","9","1","10","9","4","1") = "9"
    & skf18("7","9","1","10","9","5","1") = "9"
    & skf18("7","9","1","10","9","6","1") = "9"
    & skf18("7","9","1","10","9","7","1") = "9"
    & skf18("7","9","1","10","9","8","1") = "9"
    & skf18("7","9","1","10","9","9","1") = "9"
    & skf18("7","9","1","10","9","10","1") = "9"
    & skf18("7","9","1","10","10","1","1") = "9"
    & skf18("7","9","1","10","10","2","1") = "9"
    & skf18("7","9","1","10","10","3","1") = "9"
    & skf18("7","9","1","10","10","4","1") = "9"
    & skf18("7","9","1","10","10","5","1") = "9"
    & skf18("7","9","1","10","10","6","1") = "9"
    & skf18("7","9","1","10","10","7","1") = "9"
    & skf18("7","9","1","10","10","8","1") = "9"
    & skf18("7","9","1","10","10","9","1") = "9"
    & skf18("7","9","1","10","10","10","1") = "9"
    & skf18("7","9","2","1","1","1","1") = "8"
    & skf18("7","9","2","1","1","2","1") = "8"
    & skf18("7","9","2","1","1","3","1") = "8"
    & skf18("7","9","2","1","1","4","1") = "8"
    & skf18("7","9","2","1","1","5","1") = "8"
    & skf18("7","9","2","1","1","6","1") = "8"
    & skf18("7","9","2","1","1","7","1") = "8"
    & skf18("7","9","2","1","1","8","1") = "8"
    & skf18("7","9","2","1","1","9","1") = "8"
    & skf18("7","9","2","1","1","10","1") = "9"
    & skf18("7","9","2","1","2","1","1") = "8"
    & skf18("7","9","2","1","2","2","1") = "8"
    & skf18("7","9","2","1","2","3","1") = "8"
    & skf18("7","9","2","1","2","4","1") = "8"
    & skf18("7","9","2","1","2","5","1") = "8"
    & skf18("7","9","2","1","2","6","1") = "8"
    & skf18("7","9","2","1","2","7","1") = "8"
    & skf18("7","9","2","1","2","8","1") = "8"
    & skf18("7","9","2","1","2","9","1") = "8"
    & skf18("7","9","2","1","2","10","1") = "9"
    & skf18("7","9","2","1","3","1","1") = "8"
    & skf18("7","9","2","1","3","2","1") = "8"
    & skf18("7","9","2","1","3","3","1") = "8"
    & skf18("7","9","2","1","3","4","1") = "8"
    & skf18("7","9","2","1","3","5","1") = "8"
    & skf18("7","9","2","1","3","6","1") = "8"
    & skf18("7","9","2","1","3","7","1") = "8"
    & skf18("7","9","2","1","3","8","1") = "8"
    & skf18("7","9","2","1","3","9","1") = "8"
    & skf18("7","9","2","1","3","10","1") = "9"
    & skf18("7","9","2","1","4","1","1") = "8"
    & skf18("7","9","2","1","4","2","1") = "8"
    & skf18("7","9","2","1","4","3","1") = "8"
    & skf18("7","9","2","1","4","4","1") = "8"
    & skf18("7","9","2","1","4","5","1") = "8"
    & skf18("7","9","2","1","4","6","1") = "8"
    & skf18("7","9","2","1","4","7","1") = "8"
    & skf18("7","9","2","1","4","8","1") = "8"
    & skf18("7","9","2","1","4","9","1") = "8"
    & skf18("7","9","2","1","4","10","1") = "9"
    & skf18("7","9","2","1","5","1","1") = "8"
    & skf18("7","9","2","1","5","2","1") = "8"
    & skf18("7","9","2","1","5","3","1") = "8"
    & skf18("7","9","2","1","5","4","1") = "8"
    & skf18("7","9","2","1","5","5","1") = "8"
    & skf18("7","9","2","1","5","6","1") = "8"
    & skf18("7","9","2","1","5","7","1") = "8"
    & skf18("7","9","2","1","5","8","1") = "8"
    & skf18("7","9","2","1","5","9","1") = "8"
    & skf18("7","9","2","1","5","10","1") = "9"
    & skf18("7","9","2","1","6","1","1") = "8"
    & skf18("7","9","2","1","6","2","1") = "8"
    & skf18("7","9","2","1","6","3","1") = "8"
    & skf18("7","9","2","1","6","4","1") = "8"
    & skf18("7","9","2","1","6","5","1") = "8"
    & skf18("7","9","2","1","6","6","1") = "8"
    & skf18("7","9","2","1","6","7","1") = "8"
    & skf18("7","9","2","1","6","8","1") = "8"
    & skf18("7","9","2","1","6","9","1") = "8"
    & skf18("7","9","2","1","6","10","1") = "9"
    & skf18("7","9","2","1","7","1","1") = "8"
    & skf18("7","9","2","1","7","2","1") = "8"
    & skf18("7","9","2","1","7","3","1") = "8"
    & skf18("7","9","2","1","7","4","1") = "8"
    & skf18("7","9","2","1","7","5","1") = "8"
    & skf18("7","9","2","1","7","6","1") = "8"
    & skf18("7","9","2","1","7","7","1") = "8"
    & skf18("7","9","2","1","7","8","1") = "8"
    & skf18("7","9","2","1","7","9","1") = "8"
    & skf18("7","9","2","1","7","10","1") = "9"
    & skf18("7","9","2","1","8","1","1") = "8"
    & skf18("7","9","2","1","8","2","1") = "8"
    & skf18("7","9","2","1","8","3","1") = "8"
    & skf18("7","9","2","1","8","4","1") = "8"
    & skf18("7","9","2","1","8","5","1") = "8"
    & skf18("7","9","2","1","8","6","1") = "8"
    & skf18("7","9","2","1","8","7","1") = "8"
    & skf18("7","9","2","1","8","8","1") = "8"
    & skf18("7","9","2","1","8","9","1") = "8"
    & skf18("7","9","2","1","8","10","1") = "9"
    & skf18("7","9","2","1","9","1","1") = "8"
    & skf18("7","9","2","1","9","2","1") = "8"
    & skf18("7","9","2","1","9","3","1") = "8"
    & skf18("7","9","2","1","9","4","1") = "8"
    & skf18("7","9","2","1","9","5","1") = "8"
    & skf18("7","9","2","1","9","6","1") = "8"
    & skf18("7","9","2","1","9","7","1") = "8"
    & skf18("7","9","2","1","9","8","1") = "8"
    & skf18("7","9","2","1","9","9","1") = "8"
    & skf18("7","9","2","1","9","10","1") = "9"
    & skf18("7","9","2","1","10","1","1") = "9"
    & skf18("7","9","2","1","10","2","1") = "9"
    & skf18("7","9","2","1","10","3","1") = "9"
    & skf18("7","9","2","1","10","4","1") = "9"
    & skf18("7","9","2","1","10","5","1") = "9"
    & skf18("7","9","2","1","10","6","1") = "9"
    & skf18("7","9","2","1","10","7","1") = "9"
    & skf18("7","9","2","1","10","8","1") = "9"
    & skf18("7","9","2","1","10","9","1") = "9"
    & skf18("7","9","2","1","10","10","1") = "9"
    & skf18("7","9","2","2","1","1","1") = "8"
    & skf18("7","9","2","2","1","2","1") = "8"
    & skf18("7","9","2","2","1","3","1") = "8"
    & skf18("7","9","2","2","1","4","1") = "8"
    & skf18("7","9","2","2","1","5","1") = "8"
    & skf18("7","9","2","2","1","6","1") = "8"
    & skf18("7","9","2","2","1","7","1") = "8"
    & skf18("7","9","2","2","1","8","1") = "8"
    & skf18("7","9","2","2","1","9","1") = "8"
    & skf18("7","9","2","2","1","10","1") = "9"
    & skf18("7","9","2","2","2","1","1") = "8"
    & skf18("7","9","2","2","2","2","1") = "8"
    & skf18("7","9","2","2","2","3","1") = "8"
    & skf18("7","9","2","2","2","4","1") = "8"
    & skf18("7","9","2","2","2","5","1") = "8"
    & skf18("7","9","2","2","2","6","1") = "8"
    & skf18("7","9","2","2","2","7","1") = "8"
    & skf18("7","9","2","2","2","8","1") = "8"
    & skf18("7","9","2","2","2","9","1") = "8"
    & skf18("7","9","2","2","2","10","1") = "9"
    & skf18("7","9","2","2","3","1","1") = "8"
    & skf18("7","9","2","2","3","2","1") = "8"
    & skf18("7","9","2","2","3","3","1") = "8"
    & skf18("7","9","2","2","3","4","1") = "8"
    & skf18("7","9","2","2","3","5","1") = "8"
    & skf18("7","9","2","2","3","6","1") = "8"
    & skf18("7","9","2","2","3","7","1") = "8"
    & skf18("7","9","2","2","3","8","1") = "8"
    & skf18("7","9","2","2","3","9","1") = "8"
    & skf18("7","9","2","2","3","10","1") = "9"
    & skf18("7","9","2","2","4","1","1") = "8"
    & skf18("7","9","2","2","4","2","1") = "8"
    & skf18("7","9","2","2","4","3","1") = "8"
    & skf18("7","9","2","2","4","4","1") = "8"
    & skf18("7","9","2","2","4","5","1") = "8"
    & skf18("7","9","2","2","4","6","1") = "8"
    & skf18("7","9","2","2","4","7","1") = "8"
    & skf18("7","9","2","2","4","8","1") = "8"
    & skf18("7","9","2","2","4","9","1") = "8"
    & skf18("7","9","2","2","4","10","1") = "9"
    & skf18("7","9","2","2","5","1","1") = "8"
    & skf18("7","9","2","2","5","2","1") = "8"
    & skf18("7","9","2","2","5","3","1") = "8"
    & skf18("7","9","2","2","5","4","1") = "8"
    & skf18("7","9","2","2","5","5","1") = "8"
    & skf18("7","9","2","2","5","6","1") = "8"
    & skf18("7","9","2","2","5","7","1") = "8"
    & skf18("7","9","2","2","5","8","1") = "8"
    & skf18("7","9","2","2","5","9","1") = "8"
    & skf18("7","9","2","2","5","10","1") = "9"
    & skf18("7","9","2","2","6","1","1") = "8"
    & skf18("7","9","2","2","6","2","1") = "8"
    & skf18("7","9","2","2","6","3","1") = "8"
    & skf18("7","9","2","2","6","4","1") = "8"
    & skf18("7","9","2","2","6","5","1") = "8"
    & skf18("7","9","2","2","6","6","1") = "8"
    & skf18("7","9","2","2","6","7","1") = "8"
    & skf18("7","9","2","2","6","8","1") = "8"
    & skf18("7","9","2","2","6","9","1") = "8"
    & skf18("7","9","2","2","6","10","1") = "9"
    & skf18("7","9","2","2","7","1","1") = "8"
    & skf18("7","9","2","2","7","2","1") = "8"
    & skf18("7","9","2","2","7","3","1") = "8"
    & skf18("7","9","2","2","7","4","1") = "8"
    & skf18("7","9","2","2","7","5","1") = "8"
    & skf18("7","9","2","2","7","6","1") = "8"
    & skf18("7","9","2","2","7","7","1") = "8"
    & skf18("7","9","2","2","7","8","1") = "8"
    & skf18("7","9","2","2","7","9","1") = "8"
    & skf18("7","9","2","2","7","10","1") = "9"
    & skf18("7","9","2","2","8","1","1") = "8"
    & skf18("7","9","2","2","8","2","1") = "8"
    & skf18("7","9","2","2","8","3","1") = "8"
    & skf18("7","9","2","2","8","4","1") = "8"
    & skf18("7","9","2","2","8","5","1") = "8"
    & skf18("7","9","2","2","8","6","1") = "8"
    & skf18("7","9","2","2","8","7","1") = "8"
    & skf18("7","9","2","2","8","8","1") = "8"
    & skf18("7","9","2","2","8","9","1") = "8"
    & skf18("7","9","2","2","8","10","1") = "9"
    & skf18("7","9","2","2","9","1","1") = "8"
    & skf18("7","9","2","2","9","2","1") = "8"
    & skf18("7","9","2","2","9","3","1") = "8"
    & skf18("7","9","2","2","9","4","1") = "8"
    & skf18("7","9","2","2","9","5","1") = "8"
    & skf18("7","9","2","2","9","6","1") = "8"
    & skf18("7","9","2","2","9","7","1") = "8"
    & skf18("7","9","2","2","9","8","1") = "8"
    & skf18("7","9","2","2","9","9","1") = "8"
    & skf18("7","9","2","2","9","10","1") = "9"
    & skf18("7","9","2","2","10","1","1") = "9"
    & skf18("7","9","2","2","10","2","1") = "9"
    & skf18("7","9","2","2","10","3","1") = "9"
    & skf18("7","9","2","2","10","4","1") = "9"
    & skf18("7","9","2","2","10","5","1") = "9"
    & skf18("7","9","2","2","10","6","1") = "9"
    & skf18("7","9","2","2","10","7","1") = "9"
    & skf18("7","9","2","2","10","8","1") = "9"
    & skf18("7","9","2","2","10","9","1") = "9"
    & skf18("7","9","2","2","10","10","1") = "9"
    & skf18("7","9","2","3","1","1","1") = "8"
    & skf18("7","9","2","3","1","2","1") = "8"
    & skf18("7","9","2","3","1","3","1") = "8"
    & skf18("7","9","2","3","1","4","1") = "8"
    & skf18("7","9","2","3","1","5","1") = "8"
    & skf18("7","9","2","3","1","6","1") = "8"
    & skf18("7","9","2","3","1","7","1") = "8"
    & skf18("7","9","2","3","1","8","1") = "8"
    & skf18("7","9","2","3","1","9","1") = "8"
    & skf18("7","9","2","3","1","10","1") = "9"
    & skf18("7","9","2","3","2","1","1") = "8"
    & skf18("7","9","2","3","2","2","1") = "8"
    & skf18("7","9","2","3","2","3","1") = "8"
    & skf18("7","9","2","3","2","4","1") = "8"
    & skf18("7","9","2","3","2","5","1") = "8"
    & skf18("7","9","2","3","2","6","1") = "8"
    & skf18("7","9","2","3","2","7","1") = "8"
    & skf18("7","9","2","3","2","8","1") = "8"
    & skf18("7","9","2","3","2","9","1") = "8"
    & skf18("7","9","2","3","2","10","1") = "9"
    & skf18("7","9","2","3","3","1","1") = "8"
    & skf18("7","9","2","3","3","2","1") = "8"
    & skf18("7","9","2","3","3","3","1") = "8"
    & skf18("7","9","2","3","3","4","1") = "8"
    & skf18("7","9","2","3","3","5","1") = "8"
    & skf18("7","9","2","3","3","6","1") = "8"
    & skf18("7","9","2","3","3","7","1") = "8"
    & skf18("7","9","2","3","3","8","1") = "8"
    & skf18("7","9","2","3","3","9","1") = "8"
    & skf18("7","9","2","3","3","10","1") = "9"
    & skf18("7","9","2","3","4","1","1") = "8"
    & skf18("7","9","2","3","4","2","1") = "8"
    & skf18("7","9","2","3","4","3","1") = "8"
    & skf18("7","9","2","3","4","4","1") = "8"
    & skf18("7","9","2","3","4","5","1") = "8"
    & skf18("7","9","2","3","4","6","1") = "8"
    & skf18("7","9","2","3","4","7","1") = "8"
    & skf18("7","9","2","3","4","8","1") = "8"
    & skf18("7","9","2","3","4","9","1") = "8"
    & skf18("7","9","2","3","4","10","1") = "9"
    & skf18("7","9","2","3","5","1","1") = "8"
    & skf18("7","9","2","3","5","2","1") = "8"
    & skf18("7","9","2","3","5","3","1") = "8"
    & skf18("7","9","2","3","5","4","1") = "8"
    & skf18("7","9","2","3","5","5","1") = "8"
    & skf18("7","9","2","3","5","6","1") = "8"
    & skf18("7","9","2","3","5","7","1") = "8"
    & skf18("7","9","2","3","5","8","1") = "8"
    & skf18("7","9","2","3","5","9","1") = "8"
    & skf18("7","9","2","3","5","10","1") = "9"
    & skf18("7","9","2","3","6","1","1") = "8"
    & skf18("7","9","2","3","6","2","1") = "8"
    & skf18("7","9","2","3","6","3","1") = "8"
    & skf18("7","9","2","3","6","4","1") = "8"
    & skf18("7","9","2","3","6","5","1") = "8"
    & skf18("7","9","2","3","6","6","1") = "8"
    & skf18("7","9","2","3","6","7","1") = "8"
    & skf18("7","9","2","3","6","8","1") = "8"
    & skf18("7","9","2","3","6","9","1") = "8"
    & skf18("7","9","2","3","6","10","1") = "9"
    & skf18("7","9","2","3","7","1","1") = "8"
    & skf18("7","9","2","3","7","2","1") = "8"
    & skf18("7","9","2","3","7","3","1") = "8"
    & skf18("7","9","2","3","7","4","1") = "8"
    & skf18("7","9","2","3","7","5","1") = "8"
    & skf18("7","9","2","3","7","6","1") = "8"
    & skf18("7","9","2","3","7","7","1") = "8"
    & skf18("7","9","2","3","7","8","1") = "8"
    & skf18("7","9","2","3","7","9","1") = "8"
    & skf18("7","9","2","3","7","10","1") = "9"
    & skf18("7","9","2","3","8","1","1") = "8"
    & skf18("7","9","2","3","8","2","1") = "8"
    & skf18("7","9","2","3","8","3","1") = "8"
    & skf18("7","9","2","3","8","4","1") = "8"
    & skf18("7","9","2","3","8","5","1") = "8"
    & skf18("7","9","2","3","8","6","1") = "8"
    & skf18("7","9","2","3","8","7","1") = "8"
    & skf18("7","9","2","3","8","8","1") = "8"
    & skf18("7","9","2","3","8","9","1") = "8"
    & skf18("7","9","2","3","8","10","1") = "9"
    & skf18("7","9","2","3","9","1","1") = "8"
    & skf18("7","9","2","3","9","2","1") = "8"
    & skf18("7","9","2","3","9","3","1") = "8"
    & skf18("7","9","2","3","9","4","1") = "8"
    & skf18("7","9","2","3","9","5","1") = "8"
    & skf18("7","9","2","3","9","6","1") = "8"
    & skf18("7","9","2","3","9","7","1") = "8"
    & skf18("7","9","2","3","9","8","1") = "8"
    & skf18("7","9","2","3","9","9","1") = "8"
    & skf18("7","9","2","3","9","10","1") = "9"
    & skf18("7","9","2","3","10","1","1") = "9"
    & skf18("7","9","2","3","10","2","1") = "9"
    & skf18("7","9","2","3","10","3","1") = "9"
    & skf18("7","9","2","3","10","4","1") = "9"
    & skf18("7","9","2","3","10","5","1") = "9"
    & skf18("7","9","2","3","10","6","1") = "9"
    & skf18("7","9","2","3","10","7","1") = "9"
    & skf18("7","9","2","3","10","8","1") = "9"
    & skf18("7","9","2","3","10","9","1") = "9"
    & skf18("7","9","2","3","10","10","1") = "9"
    & skf18("7","9","2","4","1","1","1") = "8"
    & skf18("7","9","2","4","1","2","1") = "8"
    & skf18("7","9","2","4","1","3","1") = "8"
    & skf18("7","9","2","4","1","4","1") = "8"
    & skf18("7","9","2","4","1","5","1") = "8"
    & skf18("7","9","2","4","1","6","1") = "8"
    & skf18("7","9","2","4","1","7","1") = "8"
    & skf18("7","9","2","4","1","8","1") = "8"
    & skf18("7","9","2","4","1","9","1") = "8"
    & skf18("7","9","2","4","1","10","1") = "9"
    & skf18("7","9","2","4","2","1","1") = "8"
    & skf18("7","9","2","4","2","2","1") = "8"
    & skf18("7","9","2","4","2","3","1") = "8"
    & skf18("7","9","2","4","2","4","1") = "8"
    & skf18("7","9","2","4","2","5","1") = "8"
    & skf18("7","9","2","4","2","6","1") = "8"
    & skf18("7","9","2","4","2","7","1") = "8"
    & skf18("7","9","2","4","2","8","1") = "8"
    & skf18("7","9","2","4","2","9","1") = "8"
    & skf18("7","9","2","4","2","10","1") = "9"
    & skf18("7","9","2","4","3","1","1") = "8"
    & skf18("7","9","2","4","3","2","1") = "8"
    & skf18("7","9","2","4","3","3","1") = "8"
    & skf18("7","9","2","4","3","4","1") = "8"
    & skf18("7","9","2","4","3","5","1") = "8"
    & skf18("7","9","2","4","3","6","1") = "8"
    & skf18("7","9","2","4","3","7","1") = "8"
    & skf18("7","9","2","4","3","8","1") = "8"
    & skf18("7","9","2","4","3","9","1") = "8"
    & skf18("7","9","2","4","3","10","1") = "9"
    & skf18("7","9","2","4","4","1","1") = "8"
    & skf18("7","9","2","4","4","2","1") = "8"
    & skf18("7","9","2","4","4","3","1") = "8"
    & skf18("7","9","2","4","4","4","1") = "8"
    & skf18("7","9","2","4","4","5","1") = "8"
    & skf18("7","9","2","4","4","6","1") = "8"
    & skf18("7","9","2","4","4","7","1") = "8"
    & skf18("7","9","2","4","4","8","1") = "8"
    & skf18("7","9","2","4","4","9","1") = "8"
    & skf18("7","9","2","4","4","10","1") = "9"
    & skf18("7","9","2","4","5","1","1") = "8"
    & skf18("7","9","2","4","5","2","1") = "8"
    & skf18("7","9","2","4","5","3","1") = "8"
    & skf18("7","9","2","4","5","4","1") = "8"
    & skf18("7","9","2","4","5","5","1") = "8"
    & skf18("7","9","2","4","5","6","1") = "8"
    & skf18("7","9","2","4","5","7","1") = "8"
    & skf18("7","9","2","4","5","8","1") = "8"
    & skf18("7","9","2","4","5","9","1") = "8"
    & skf18("7","9","2","4","5","10","1") = "9"
    & skf18("7","9","2","4","6","1","1") = "8"
    & skf18("7","9","2","4","6","2","1") = "8"
    & skf18("7","9","2","4","6","3","1") = "8"
    & skf18("7","9","2","4","6","4","1") = "8"
    & skf18("7","9","2","4","6","5","1") = "8"
    & skf18("7","9","2","4","6","6","1") = "8"
    & skf18("7","9","2","4","6","7","1") = "8"
    & skf18("7","9","2","4","6","8","1") = "8"
    & skf18("7","9","2","4","6","9","1") = "8"
    & skf18("7","9","2","4","6","10","1") = "9"
    & skf18("7","9","2","4","7","1","1") = "8"
    & skf18("7","9","2","4","7","2","1") = "8"
    & skf18("7","9","2","4","7","3","1") = "8"
    & skf18("7","9","2","4","7","4","1") = "8"
    & skf18("7","9","2","4","7","5","1") = "8"
    & skf18("7","9","2","4","7","6","1") = "8"
    & skf18("7","9","2","4","7","7","1") = "8"
    & skf18("7","9","2","4","7","8","1") = "8"
    & skf18("7","9","2","4","7","9","1") = "8"
    & skf18("7","9","2","4","7","10","1") = "9"
    & skf18("7","9","2","4","8","1","1") = "8"
    & skf18("7","9","2","4","8","2","1") = "8"
    & skf18("7","9","2","4","8","3","1") = "8"
    & skf18("7","9","2","4","8","4","1") = "8"
    & skf18("7","9","2","4","8","5","1") = "8"
    & skf18("7","9","2","4","8","6","1") = "8"
    & skf18("7","9","2","4","8","7","1") = "8"
    & skf18("7","9","2","4","8","8","1") = "8"
    & skf18("7","9","2","4","8","9","1") = "8"
    & skf18("7","9","2","4","8","10","1") = "9"
    & skf18("7","9","2","4","9","1","1") = "8"
    & skf18("7","9","2","4","9","2","1") = "8"
    & skf18("7","9","2","4","9","3","1") = "8"
    & skf18("7","9","2","4","9","4","1") = "8"
    & skf18("7","9","2","4","9","5","1") = "8"
    & skf18("7","9","2","4","9","6","1") = "8"
    & skf18("7","9","2","4","9","7","1") = "8"
    & skf18("7","9","2","4","9","8","1") = "8"
    & skf18("7","9","2","4","9","9","1") = "8"
    & skf18("7","9","2","4","9","10","1") = "9"
    & skf18("7","9","2","4","10","1","1") = "9"
    & skf18("7","9","2","4","10","2","1") = "9"
    & skf18("7","9","2","4","10","3","1") = "9"
    & skf18("7","9","2","4","10","4","1") = "9"
    & skf18("7","9","2","4","10","5","1") = "9"
    & skf18("7","9","2","4","10","6","1") = "9"
    & skf18("7","9","2","4","10","7","1") = "9"
    & skf18("7","9","2","4","10","8","1") = "9"
    & skf18("7","9","2","4","10","9","1") = "9"
    & skf18("7","9","2","4","10","10","1") = "9"
    & skf18("7","9","2","5","1","1","1") = "8"
    & skf18("7","9","2","5","1","2","1") = "8"
    & skf18("7","9","2","5","1","3","1") = "8"
    & skf18("7","9","2","5","1","4","1") = "8"
    & skf18("7","9","2","5","1","5","1") = "8"
    & skf18("7","9","2","5","1","6","1") = "8"
    & skf18("7","9","2","5","1","7","1") = "8"
    & skf18("7","9","2","5","1","8","1") = "8"
    & skf18("7","9","2","5","1","9","1") = "8"
    & skf18("7","9","2","5","1","10","1") = "9"
    & skf18("7","9","2","5","2","1","1") = "8"
    & skf18("7","9","2","5","2","2","1") = "8"
    & skf18("7","9","2","5","2","3","1") = "8"
    & skf18("7","9","2","5","2","4","1") = "8"
    & skf18("7","9","2","5","2","5","1") = "8"
    & skf18("7","9","2","5","2","6","1") = "8"
    & skf18("7","9","2","5","2","7","1") = "8"
    & skf18("7","9","2","5","2","8","1") = "8"
    & skf18("7","9","2","5","2","9","1") = "8"
    & skf18("7","9","2","5","2","10","1") = "9"
    & skf18("7","9","2","5","3","1","1") = "8"
    & skf18("7","9","2","5","3","2","1") = "8"
    & skf18("7","9","2","5","3","3","1") = "8"
    & skf18("7","9","2","5","3","4","1") = "8"
    & skf18("7","9","2","5","3","5","1") = "8"
    & skf18("7","9","2","5","3","6","1") = "8"
    & skf18("7","9","2","5","3","7","1") = "8"
    & skf18("7","9","2","5","3","8","1") = "8"
    & skf18("7","9","2","5","3","9","1") = "8"
    & skf18("7","9","2","5","3","10","1") = "9"
    & skf18("7","9","2","5","4","1","1") = "8"
    & skf18("7","9","2","5","4","2","1") = "8"
    & skf18("7","9","2","5","4","3","1") = "8"
    & skf18("7","9","2","5","4","4","1") = "8"
    & skf18("7","9","2","5","4","5","1") = "8"
    & skf18("7","9","2","5","4","6","1") = "8"
    & skf18("7","9","2","5","4","7","1") = "8"
    & skf18("7","9","2","5","4","8","1") = "8"
    & skf18("7","9","2","5","4","9","1") = "8"
    & skf18("7","9","2","5","4","10","1") = "9"
    & skf18("7","9","2","5","5","1","1") = "8"
    & skf18("7","9","2","5","5","2","1") = "8"
    & skf18("7","9","2","5","5","3","1") = "8"
    & skf18("7","9","2","5","5","4","1") = "8"
    & skf18("7","9","2","5","5","5","1") = "8"
    & skf18("7","9","2","5","5","6","1") = "8"
    & skf18("7","9","2","5","5","7","1") = "8"
    & skf18("7","9","2","5","5","8","1") = "8"
    & skf18("7","9","2","5","5","9","1") = "8"
    & skf18("7","9","2","5","5","10","1") = "9"
    & skf18("7","9","2","5","6","1","1") = "8"
    & skf18("7","9","2","5","6","2","1") = "8"
    & skf18("7","9","2","5","6","3","1") = "8"
    & skf18("7","9","2","5","6","4","1") = "8"
    & skf18("7","9","2","5","6","5","1") = "8"
    & skf18("7","9","2","5","6","6","1") = "8"
    & skf18("7","9","2","5","6","7","1") = "8"
    & skf18("7","9","2","5","6","8","1") = "8"
    & skf18("7","9","2","5","6","9","1") = "8"
    & skf18("7","9","2","5","6","10","1") = "9"
    & skf18("7","9","2","5","7","1","1") = "8"
    & skf18("7","9","2","5","7","2","1") = "8"
    & skf18("7","9","2","5","7","3","1") = "8"
    & skf18("7","9","2","5","7","4","1") = "8"
    & skf18("7","9","2","5","7","5","1") = "8"
    & skf18("7","9","2","5","7","6","1") = "8"
    & skf18("7","9","2","5","7","7","1") = "8"
    & skf18("7","9","2","5","7","8","1") = "8"
    & skf18("7","9","2","5","7","9","1") = "8"
    & skf18("7","9","2","5","7","10","1") = "9"
    & skf18("7","9","2","5","8","1","1") = "8"
    & skf18("7","9","2","5","8","2","1") = "8"
    & skf18("7","9","2","5","8","3","1") = "8"
    & skf18("7","9","2","5","8","4","1") = "8"
    & skf18("7","9","2","5","8","5","1") = "8"
    & skf18("7","9","2","5","8","6","1") = "8"
    & skf18("7","9","2","5","8","7","1") = "8"
    & skf18("7","9","2","5","8","8","1") = "8"
    & skf18("7","9","2","5","8","9","1") = "8"
    & skf18("7","9","2","5","8","10","1") = "9"
    & skf18("7","9","2","5","9","1","1") = "8"
    & skf18("7","9","2","5","9","2","1") = "8"
    & skf18("7","9","2","5","9","3","1") = "8"
    & skf18("7","9","2","5","9","4","1") = "8"
    & skf18("7","9","2","5","9","5","1") = "8"
    & skf18("7","9","2","5","9","6","1") = "8"
    & skf18("7","9","2","5","9","7","1") = "8"
    & skf18("7","9","2","5","9","8","1") = "8"
    & skf18("7","9","2","5","9","9","1") = "8"
    & skf18("7","9","2","5","9","10","1") = "9"
    & skf18("7","9","2","5","10","1","1") = "9"
    & skf18("7","9","2","5","10","2","1") = "9"
    & skf18("7","9","2","5","10","3","1") = "9"
    & skf18("7","9","2","5","10","4","1") = "9"
    & skf18("7","9","2","5","10","5","1") = "9"
    & skf18("7","9","2","5","10","6","1") = "9"
    & skf18("7","9","2","5","10","7","1") = "9"
    & skf18("7","9","2","5","10","8","1") = "9"
    & skf18("7","9","2","5","10","9","1") = "9"
    & skf18("7","9","2","5","10","10","1") = "9"
    & skf18("7","9","2","6","1","1","1") = "8"
    & skf18("7","9","2","6","1","2","1") = "8"
    & skf18("7","9","2","6","1","3","1") = "8"
    & skf18("7","9","2","6","1","4","1") = "8"
    & skf18("7","9","2","6","1","5","1") = "8"
    & skf18("7","9","2","6","1","6","1") = "8"
    & skf18("7","9","2","6","1","7","1") = "8"
    & skf18("7","9","2","6","1","8","1") = "8"
    & skf18("7","9","2","6","1","9","1") = "8"
    & skf18("7","9","2","6","1","10","1") = "9"
    & skf18("7","9","2","6","2","1","1") = "8"
    & skf18("7","9","2","6","2","2","1") = "8"
    & skf18("7","9","2","6","2","3","1") = "8"
    & skf18("7","9","2","6","2","4","1") = "8"
    & skf18("7","9","2","6","2","5","1") = "8"
    & skf18("7","9","2","6","2","6","1") = "8"
    & skf18("7","9","2","6","2","7","1") = "8"
    & skf18("7","9","2","6","2","8","1") = "8"
    & skf18("7","9","2","6","2","9","1") = "8"
    & skf18("7","9","2","6","2","10","1") = "9"
    & skf18("7","9","2","6","3","1","1") = "8"
    & skf18("7","9","2","6","3","2","1") = "8"
    & skf18("7","9","2","6","3","3","1") = "8"
    & skf18("7","9","2","6","3","4","1") = "8"
    & skf18("7","9","2","6","3","5","1") = "8"
    & skf18("7","9","2","6","3","6","1") = "8"
    & skf18("7","9","2","6","3","7","1") = "8"
    & skf18("7","9","2","6","3","8","1") = "8"
    & skf18("7","9","2","6","3","9","1") = "8"
    & skf18("7","9","2","6","3","10","1") = "9"
    & skf18("7","9","2","6","4","1","1") = "8"
    & skf18("7","9","2","6","4","2","1") = "8"
    & skf18("7","9","2","6","4","3","1") = "8"
    & skf18("7","9","2","6","4","4","1") = "8"
    & skf18("7","9","2","6","4","5","1") = "8"
    & skf18("7","9","2","6","4","6","1") = "8"
    & skf18("7","9","2","6","4","7","1") = "8"
    & skf18("7","9","2","6","4","8","1") = "8"
    & skf18("7","9","2","6","4","9","1") = "8"
    & skf18("7","9","2","6","4","10","1") = "9"
    & skf18("7","9","2","6","5","1","1") = "8"
    & skf18("7","9","2","6","5","2","1") = "8"
    & skf18("7","9","2","6","5","3","1") = "8"
    & skf18("7","9","2","6","5","4","1") = "8"
    & skf18("7","9","2","6","5","5","1") = "8"
    & skf18("7","9","2","6","5","6","1") = "8"
    & skf18("7","9","2","6","5","7","1") = "8"
    & skf18("7","9","2","6","5","8","1") = "8"
    & skf18("7","9","2","6","5","9","1") = "8"
    & skf18("7","9","2","6","5","10","1") = "9"
    & skf18("7","9","2","6","6","1","1") = "8"
    & skf18("7","9","2","6","6","2","1") = "8"
    & skf18("7","9","2","6","6","3","1") = "8"
    & skf18("7","9","2","6","6","4","1") = "8"
    & skf18("7","9","2","6","6","5","1") = "8"
    & skf18("7","9","2","6","6","6","1") = "8"
    & skf18("7","9","2","6","6","7","1") = "8"
    & skf18("7","9","2","6","6","8","1") = "8"
    & skf18("7","9","2","6","6","9","1") = "8"
    & skf18("7","9","2","6","6","10","1") = "9"
    & skf18("7","9","2","6","7","1","1") = "8"
    & skf18("7","9","2","6","7","2","1") = "8"
    & skf18("7","9","2","6","7","3","1") = "8"
    & skf18("7","9","2","6","7","4","1") = "8"
    & skf18("7","9","2","6","7","5","1") = "8"
    & skf18("7","9","2","6","7","6","1") = "8"
    & skf18("7","9","2","6","7","7","1") = "8"
    & skf18("7","9","2","6","7","8","1") = "8"
    & skf18("7","9","2","6","7","9","1") = "8"
    & skf18("7","9","2","6","7","10","1") = "9"
    & skf18("7","9","2","6","8","1","1") = "8"
    & skf18("7","9","2","6","8","2","1") = "8"
    & skf18("7","9","2","6","8","3","1") = "8"
    & skf18("7","9","2","6","8","4","1") = "8"
    & skf18("7","9","2","6","8","5","1") = "8"
    & skf18("7","9","2","6","8","6","1") = "8"
    & skf18("7","9","2","6","8","7","1") = "8"
    & skf18("7","9","2","6","8","8","1") = "8"
    & skf18("7","9","2","6","8","9","1") = "8"
    & skf18("7","9","2","6","8","10","1") = "9"
    & skf18("7","9","2","6","9","1","1") = "8"
    & skf18("7","9","2","6","9","2","1") = "8"
    & skf18("7","9","2","6","9","3","1") = "8"
    & skf18("7","9","2","6","9","4","1") = "8"
    & skf18("7","9","2","6","9","5","1") = "8"
    & skf18("7","9","2","6","9","6","1") = "8"
    & skf18("7","9","2","6","9","7","1") = "8"
    & skf18("7","9","2","6","9","8","1") = "8"
    & skf18("7","9","2","6","9","9","1") = "8"
    & skf18("7","9","2","6","9","10","1") = "9"
    & skf18("7","9","2","6","10","1","1") = "9"
    & skf18("7","9","2","6","10","2","1") = "9"
    & skf18("7","9","2","6","10","3","1") = "9"
    & skf18("7","9","2","6","10","4","1") = "9"
    & skf18("7","9","2","6","10","5","1") = "9"
    & skf18("7","9","2","6","10","6","1") = "9"
    & skf18("7","9","2","6","10","7","1") = "9"
    & skf18("7","9","2","6","10","8","1") = "9"
    & skf18("7","9","2","6","10","9","1") = "9"
    & skf18("7","9","2","6","10","10","1") = "9"
    & skf18("7","9","2","7","1","1","1") = "8"
    & skf18("7","9","2","7","1","2","1") = "8"
    & skf18("7","9","2","7","1","3","1") = "8"
    & skf18("7","9","2","7","1","4","1") = "8"
    & skf18("7","9","2","7","1","5","1") = "8"
    & skf18("7","9","2","7","1","6","1") = "8"
    & skf18("7","9","2","7","1","7","1") = "8"
    & skf18("7","9","2","7","1","8","1") = "8"
    & skf18("7","9","2","7","1","9","1") = "8"
    & skf18("7","9","2","7","1","10","1") = "9"
    & skf18("7","9","2","7","2","1","1") = "8"
    & skf18("7","9","2","7","2","2","1") = "8"
    & skf18("7","9","2","7","2","3","1") = "8"
    & skf18("7","9","2","7","2","4","1") = "8"
    & skf18("7","9","2","7","2","5","1") = "8"
    & skf18("7","9","2","7","2","6","1") = "8"
    & skf18("7","9","2","7","2","7","1") = "8"
    & skf18("7","9","2","7","2","8","1") = "8"
    & skf18("7","9","2","7","2","9","1") = "8"
    & skf18("7","9","2","7","2","10","1") = "9"
    & skf18("7","9","2","7","3","1","1") = "8"
    & skf18("7","9","2","7","3","2","1") = "8"
    & skf18("7","9","2","7","3","3","1") = "8"
    & skf18("7","9","2","7","3","4","1") = "8"
    & skf18("7","9","2","7","3","5","1") = "8"
    & skf18("7","9","2","7","3","6","1") = "8"
    & skf18("7","9","2","7","3","7","1") = "8"
    & skf18("7","9","2","7","3","8","1") = "8"
    & skf18("7","9","2","7","3","9","1") = "8"
    & skf18("7","9","2","7","3","10","1") = "9"
    & skf18("7","9","2","7","4","1","1") = "8"
    & skf18("7","9","2","7","4","2","1") = "8"
    & skf18("7","9","2","7","4","3","1") = "8"
    & skf18("7","9","2","7","4","4","1") = "8"
    & skf18("7","9","2","7","4","5","1") = "8"
    & skf18("7","9","2","7","4","6","1") = "8"
    & skf18("7","9","2","7","4","7","1") = "8"
    & skf18("7","9","2","7","4","8","1") = "8"
    & skf18("7","9","2","7","4","9","1") = "8"
    & skf18("7","9","2","7","4","10","1") = "9"
    & skf18("7","9","2","7","5","1","1") = "8"
    & skf18("7","9","2","7","5","2","1") = "8"
    & skf18("7","9","2","7","5","3","1") = "8"
    & skf18("7","9","2","7","5","4","1") = "8"
    & skf18("7","9","2","7","5","5","1") = "8"
    & skf18("7","9","2","7","5","6","1") = "8"
    & skf18("7","9","2","7","5","7","1") = "8"
    & skf18("7","9","2","7","5","8","1") = "8"
    & skf18("7","9","2","7","5","9","1") = "8"
    & skf18("7","9","2","7","5","10","1") = "9"
    & skf18("7","9","2","7","6","1","1") = "8"
    & skf18("7","9","2","7","6","2","1") = "8"
    & skf18("7","9","2","7","6","3","1") = "8"
    & skf18("7","9","2","7","6","4","1") = "8"
    & skf18("7","9","2","7","6","5","1") = "8"
    & skf18("7","9","2","7","6","6","1") = "8"
    & skf18("7","9","2","7","6","7","1") = "8"
    & skf18("7","9","2","7","6","8","1") = "8"
    & skf18("7","9","2","7","6","9","1") = "8"
    & skf18("7","9","2","7","6","10","1") = "9"
    & skf18("7","9","2","7","7","1","1") = "8"
    & skf18("7","9","2","7","7","2","1") = "8"
    & skf18("7","9","2","7","7","3","1") = "8"
    & skf18("7","9","2","7","7","4","1") = "8"
    & skf18("7","9","2","7","7","5","1") = "8"
    & skf18("7","9","2","7","7","6","1") = "8"
    & skf18("7","9","2","7","7","7","1") = "8"
    & skf18("7","9","2","7","7","8","1") = "8"
    & skf18("7","9","2","7","7","9","1") = "8"
    & skf18("7","9","2","7","7","10","1") = "9"
    & skf18("7","9","2","7","8","1","1") = "8"
    & skf18("7","9","2","7","8","2","1") = "8"
    & skf18("7","9","2","7","8","3","1") = "8"
    & skf18("7","9","2","7","8","4","1") = "8"
    & skf18("7","9","2","7","8","5","1") = "8"
    & skf18("7","9","2","7","8","6","1") = "8"
    & skf18("7","9","2","7","8","7","1") = "8"
    & skf18("7","9","2","7","8","8","1") = "8"
    & skf18("7","9","2","7","8","9","1") = "8"
    & skf18("7","9","2","7","8","10","1") = "9"
    & skf18("7","9","2","7","9","1","1") = "8"
    & skf18("7","9","2","7","9","2","1") = "8"
    & skf18("7","9","2","7","9","3","1") = "8"
    & skf18("7","9","2","7","9","4","1") = "8"
    & skf18("7","9","2","7","9","5","1") = "8"
    & skf18("7","9","2","7","9","6","1") = "8"
    & skf18("7","9","2","7","9","7","1") = "8"
    & skf18("7","9","2","7","9","8","1") = "8"
    & skf18("7","9","2","7","9","9","1") = "8"
    & skf18("7","9","2","7","9","10","1") = "9"
    & skf18("7","9","2","7","10","1","1") = "9"
    & skf18("7","9","2","7","10","2","1") = "9"
    & skf18("7","9","2","7","10","3","1") = "9"
    & skf18("7","9","2","7","10","4","1") = "9"
    & skf18("7","9","2","7","10","5","1") = "9"
    & skf18("7","9","2","7","10","6","1") = "9"
    & skf18("7","9","2","7","10","7","1") = "9"
    & skf18("7","9","2","7","10","8","1") = "9"
    & skf18("7","9","2","7","10","9","1") = "9"
    & skf18("7","9","2","7","10","10","1") = "9"
    & skf18("7","9","2","8","1","1","1") = "8"
    & skf18("7","9","2","8","1","2","1") = "8"
    & skf18("7","9","2","8","1","3","1") = "8"
    & skf18("7","9","2","8","1","4","1") = "8"
    & skf18("7","9","2","8","1","5","1") = "8"
    & skf18("7","9","2","8","1","6","1") = "8"
    & skf18("7","9","2","8","1","7","1") = "8"
    & skf18("7","9","2","8","1","8","1") = "8"
    & skf18("7","9","2","8","1","9","1") = "8"
    & skf18("7","9","2","8","1","10","1") = "9"
    & skf18("7","9","2","8","2","1","1") = "8"
    & skf18("7","9","2","8","2","2","1") = "8"
    & skf18("7","9","2","8","2","3","1") = "8"
    & skf18("7","9","2","8","2","4","1") = "8"
    & skf18("7","9","2","8","2","5","1") = "8"
    & skf18("7","9","2","8","2","6","1") = "8"
    & skf18("7","9","2","8","2","7","1") = "8"
    & skf18("7","9","2","8","2","8","1") = "8"
    & skf18("7","9","2","8","2","9","1") = "8"
    & skf18("7","9","2","8","2","10","1") = "9"
    & skf18("7","9","2","8","3","1","1") = "8"
    & skf18("7","9","2","8","3","2","1") = "8"
    & skf18("7","9","2","8","3","3","1") = "8"
    & skf18("7","9","2","8","3","4","1") = "8"
    & skf18("7","9","2","8","3","5","1") = "8"
    & skf18("7","9","2","8","3","6","1") = "8"
    & skf18("7","9","2","8","3","7","1") = "8"
    & skf18("7","9","2","8","3","8","1") = "8"
    & skf18("7","9","2","8","3","9","1") = "8"
    & skf18("7","9","2","8","3","10","1") = "9"
    & skf18("7","9","2","8","4","1","1") = "8"
    & skf18("7","9","2","8","4","2","1") = "8"
    & skf18("7","9","2","8","4","3","1") = "8"
    & skf18("7","9","2","8","4","4","1") = "8"
    & skf18("7","9","2","8","4","5","1") = "8"
    & skf18("7","9","2","8","4","6","1") = "8"
    & skf18("7","9","2","8","4","7","1") = "8"
    & skf18("7","9","2","8","4","8","1") = "8"
    & skf18("7","9","2","8","4","9","1") = "8"
    & skf18("7","9","2","8","4","10","1") = "9"
    & skf18("7","9","2","8","5","1","1") = "8"
    & skf18("7","9","2","8","5","2","1") = "8"
    & skf18("7","9","2","8","5","3","1") = "8"
    & skf18("7","9","2","8","5","4","1") = "8"
    & skf18("7","9","2","8","5","5","1") = "8"
    & skf18("7","9","2","8","5","6","1") = "8"
    & skf18("7","9","2","8","5","7","1") = "8"
    & skf18("7","9","2","8","5","8","1") = "8"
    & skf18("7","9","2","8","5","9","1") = "8"
    & skf18("7","9","2","8","5","10","1") = "9"
    & skf18("7","9","2","8","6","1","1") = "8"
    & skf18("7","9","2","8","6","2","1") = "8"
    & skf18("7","9","2","8","6","3","1") = "8"
    & skf18("7","9","2","8","6","4","1") = "8"
    & skf18("7","9","2","8","6","5","1") = "8"
    & skf18("7","9","2","8","6","6","1") = "8"
    & skf18("7","9","2","8","6","7","1") = "8"
    & skf18("7","9","2","8","6","8","1") = "8"
    & skf18("7","9","2","8","6","9","1") = "8"
    & skf18("7","9","2","8","6","10","1") = "9"
    & skf18("7","9","2","8","7","1","1") = "8"
    & skf18("7","9","2","8","7","2","1") = "8"
    & skf18("7","9","2","8","7","3","1") = "8"
    & skf18("7","9","2","8","7","4","1") = "8"
    & skf18("7","9","2","8","7","5","1") = "8"
    & skf18("7","9","2","8","7","6","1") = "8"
    & skf18("7","9","2","8","7","7","1") = "8"
    & skf18("7","9","2","8","7","8","1") = "8"
    & skf18("7","9","2","8","7","9","1") = "8"
    & skf18("7","9","2","8","7","10","1") = "9"
    & skf18("7","9","2","8","8","1","1") = "8"
    & skf18("7","9","2","8","8","2","1") = "8"
    & skf18("7","9","2","8","8","3","1") = "8"
    & skf18("7","9","2","8","8","4","1") = "8"
    & skf18("7","9","2","8","8","5","1") = "8"
    & skf18("7","9","2","8","8","6","1") = "8"
    & skf18("7","9","2","8","8","7","1") = "8"
    & skf18("7","9","2","8","8","8","1") = "8"
    & skf18("7","9","2","8","8","9","1") = "8"
    & skf18("7","9","2","8","8","10","1") = "9"
    & skf18("7","9","2","8","9","1","1") = "8"
    & skf18("7","9","2","8","9","2","1") = "8"
    & skf18("7","9","2","8","9","3","1") = "8"
    & skf18("7","9","2","8","9","4","1") = "8"
    & skf18("7","9","2","8","9","5","1") = "8"
    & skf18("7","9","2","8","9","6","1") = "8"
    & skf18("7","9","2","8","9","7","1") = "8"
    & skf18("7","9","2","8","9","8","1") = "8"
    & skf18("7","9","2","8","9","9","1") = "8"
    & skf18("7","9","2","8","9","10","1") = "9"
    & skf18("7","9","2","8","10","1","1") = "9"
    & skf18("7","9","2","8","10","2","1") = "9"
    & skf18("7","9","2","8","10","3","1") = "9"
    & skf18("7","9","2","8","10","4","1") = "9"
    & skf18("7","9","2","8","10","5","1") = "9"
    & skf18("7","9","2","8","10","6","1") = "9"
    & skf18("7","9","2","8","10","7","1") = "9"
    & skf18("7","9","2","8","10","8","1") = "9"
    & skf18("7","9","2","8","10","9","1") = "9"
    & skf18("7","9","2","8","10","10","1") = "9"
    & skf18("7","9","2","9","1","1","1") = "8"
    & skf18("7","9","2","9","1","2","1") = "8"
    & skf18("7","9","2","9","1","3","1") = "8"
    & skf18("7","9","2","9","1","4","1") = "8"
    & skf18("7","9","2","9","1","5","1") = "8"
    & skf18("7","9","2","9","1","6","1") = "8"
    & skf18("7","9","2","9","1","7","1") = "8"
    & skf18("7","9","2","9","1","8","1") = "8"
    & skf18("7","9","2","9","1","9","1") = "8"
    & skf18("7","9","2","9","1","10","1") = "9"
    & skf18("7","9","2","9","2","1","1") = "8"
    & skf18("7","9","2","9","2","2","1") = "8"
    & skf18("7","9","2","9","2","3","1") = "8"
    & skf18("7","9","2","9","2","4","1") = "8"
    & skf18("7","9","2","9","2","5","1") = "8"
    & skf18("7","9","2","9","2","6","1") = "8"
    & skf18("7","9","2","9","2","7","1") = "8"
    & skf18("7","9","2","9","2","8","1") = "8"
    & skf18("7","9","2","9","2","9","1") = "8"
    & skf18("7","9","2","9","2","10","1") = "9"
    & skf18("7","9","2","9","3","1","1") = "8"
    & skf18("7","9","2","9","3","2","1") = "8"
    & skf18("7","9","2","9","3","3","1") = "8"
    & skf18("7","9","2","9","3","4","1") = "8"
    & skf18("7","9","2","9","3","5","1") = "8"
    & skf18("7","9","2","9","3","6","1") = "8"
    & skf18("7","9","2","9","3","7","1") = "8"
    & skf18("7","9","2","9","3","8","1") = "8"
    & skf18("7","9","2","9","3","9","1") = "8"
    & skf18("7","9","2","9","3","10","1") = "9"
    & skf18("7","9","2","9","4","1","1") = "8"
    & skf18("7","9","2","9","4","2","1") = "8"
    & skf18("7","9","2","9","4","3","1") = "8"
    & skf18("7","9","2","9","4","4","1") = "8"
    & skf18("7","9","2","9","4","5","1") = "8"
    & skf18("7","9","2","9","4","6","1") = "8"
    & skf18("7","9","2","9","4","7","1") = "8"
    & skf18("7","9","2","9","4","8","1") = "8"
    & skf18("7","9","2","9","4","9","1") = "8"
    & skf18("7","9","2","9","4","10","1") = "9"
    & skf18("7","9","2","9","5","1","1") = "8"
    & skf18("7","9","2","9","5","2","1") = "8"
    & skf18("7","9","2","9","5","3","1") = "8"
    & skf18("7","9","2","9","5","4","1") = "8"
    & skf18("7","9","2","9","5","5","1") = "8"
    & skf18("7","9","2","9","5","6","1") = "8"
    & skf18("7","9","2","9","5","7","1") = "8"
    & skf18("7","9","2","9","5","8","1") = "8"
    & skf18("7","9","2","9","5","9","1") = "8"
    & skf18("7","9","2","9","5","10","1") = "9"
    & skf18("7","9","2","9","6","1","1") = "8"
    & skf18("7","9","2","9","6","2","1") = "8"
    & skf18("7","9","2","9","6","3","1") = "8"
    & skf18("7","9","2","9","6","4","1") = "8"
    & skf18("7","9","2","9","6","5","1") = "8"
    & skf18("7","9","2","9","6","6","1") = "8"
    & skf18("7","9","2","9","6","7","1") = "8"
    & skf18("7","9","2","9","6","8","1") = "8"
    & skf18("7","9","2","9","6","9","1") = "8"
    & skf18("7","9","2","9","6","10","1") = "9"
    & skf18("7","9","2","9","7","1","1") = "8"
    & skf18("7","9","2","9","7","2","1") = "8"
    & skf18("7","9","2","9","7","3","1") = "8"
    & skf18("7","9","2","9","7","4","1") = "8"
    & skf18("7","9","2","9","7","5","1") = "8"
    & skf18("7","9","2","9","7","6","1") = "8"
    & skf18("7","9","2","9","7","7","1") = "8"
    & skf18("7","9","2","9","7","8","1") = "8"
    & skf18("7","9","2","9","7","9","1") = "8"
    & skf18("7","9","2","9","7","10","1") = "9"
    & skf18("7","9","2","9","8","1","1") = "8"
    & skf18("7","9","2","9","8","2","1") = "8"
    & skf18("7","9","2","9","8","3","1") = "8"
    & skf18("7","9","2","9","8","4","1") = "8"
    & skf18("7","9","2","9","8","5","1") = "8"
    & skf18("7","9","2","9","8","6","1") = "8"
    & skf18("7","9","2","9","8","7","1") = "8"
    & skf18("7","9","2","9","8","8","1") = "8"
    & skf18("7","9","2","9","8","9","1") = "8"
    & skf18("7","9","2","9","8","10","1") = "9"
    & skf18("7","9","2","9","9","1","1") = "8"
    & skf18("7","9","2","9","9","2","1") = "8"
    & skf18("7","9","2","9","9","3","1") = "8"
    & skf18("7","9","2","9","9","4","1") = "8"
    & skf18("7","9","2","9","9","5","1") = "8"
    & skf18("7","9","2","9","9","6","1") = "8"
    & skf18("7","9","2","9","9","7","1") = "8"
    & skf18("7","9","2","9","9","8","1") = "8"
    & skf18("7","9","2","9","9","9","1") = "8"
    & skf18("7","9","2","9","9","10","1") = "9"
    & skf18("7","9","2","9","10","1","1") = "9"
    & skf18("7","9","2","9","10","2","1") = "9"
    & skf18("7","9","2","9","10","3","1") = "9"
    & skf18("7","9","2","9","10","4","1") = "9"
    & skf18("7","9","2","9","10","5","1") = "9"
    & skf18("7","9","2","9","10","6","1") = "9"
    & skf18("7","9","2","9","10","7","1") = "9"
    & skf18("7","9","2","9","10","8","1") = "9"
    & skf18("7","9","2","9","10","9","1") = "9"
    & skf18("7","9","2","9","10","10","1") = "9"
    & skf18("7","9","2","10","1","1","1") = "9"
    & skf18("7","9","2","10","1","2","1") = "9"
    & skf18("7","9","2","10","1","3","1") = "9"
    & skf18("7","9","2","10","1","4","1") = "9"
    & skf18("7","9","2","10","1","5","1") = "9"
    & skf18("7","9","2","10","1","6","1") = "9"
    & skf18("7","9","2","10","1","7","1") = "9"
    & skf18("7","9","2","10","1","8","1") = "9"
    & skf18("7","9","2","10","1","9","1") = "9"
    & skf18("7","9","2","10","1","10","1") = "9"
    & skf18("7","9","2","10","2","1","1") = "9"
    & skf18("7","9","2","10","2","2","1") = "9"
    & skf18("7","9","2","10","2","3","1") = "9"
    & skf18("7","9","2","10","2","4","1") = "9"
    & skf18("7","9","2","10","2","5","1") = "9"
    & skf18("7","9","2","10","2","6","1") = "9"
    & skf18("7","9","2","10","2","7","1") = "9"
    & skf18("7","9","2","10","2","8","1") = "9"
    & skf18("7","9","2","10","2","9","1") = "9"
    & skf18("7","9","2","10","2","10","1") = "9"
    & skf18("7","9","2","10","3","1","1") = "9"
    & skf18("7","9","2","10","3","2","1") = "9"
    & skf18("7","9","2","10","3","3","1") = "9"
    & skf18("7","9","2","10","3","4","1") = "9"
    & skf18("7","9","2","10","3","5","1") = "9"
    & skf18("7","9","2","10","3","6","1") = "9"
    & skf18("7","9","2","10","3","7","1") = "9"
    & skf18("7","9","2","10","3","8","1") = "9"
    & skf18("7","9","2","10","3","9","1") = "9"
    & skf18("7","9","2","10","3","10","1") = "9"
    & skf18("7","9","2","10","4","1","1") = "9"
    & skf18("7","9","2","10","4","2","1") = "9"
    & skf18("7","9","2","10","4","3","1") = "9"
    & skf18("7","9","2","10","4","4","1") = "9"
    & skf18("7","9","2","10","4","5","1") = "9"
    & skf18("7","9","2","10","4","6","1") = "9"
    & skf18("7","9","2","10","4","7","1") = "9"
    & skf18("7","9","2","10","4","8","1") = "9"
    & skf18("7","9","2","10","4","9","1") = "9"
    & skf18("7","9","2","10","4","10","1") = "9"
    & skf18("7","9","2","10","5","1","1") = "9"
    & skf18("7","9","2","10","5","2","1") = "9"
    & skf18("7","9","2","10","5","3","1") = "9"
    & skf18("7","9","2","10","5","4","1") = "9"
    & skf18("7","9","2","10","5","5","1") = "9"
    & skf18("7","9","2","10","5","6","1") = "9"
    & skf18("7","9","2","10","5","7","1") = "9"
    & skf18("7","9","2","10","5","8","1") = "9"
    & skf18("7","9","2","10","5","9","1") = "9"
    & skf18("7","9","2","10","5","10","1") = "9"
    & skf18("7","9","2","10","6","1","1") = "9"
    & skf18("7","9","2","10","6","2","1") = "9"
    & skf18("7","9","2","10","6","3","1") = "9"
    & skf18("7","9","2","10","6","4","1") = "9"
    & skf18("7","9","2","10","6","5","1") = "9"
    & skf18("7","9","2","10","6","6","1") = "9"
    & skf18("7","9","2","10","6","7","1") = "9"
    & skf18("7","9","2","10","6","8","1") = "9"
    & skf18("7","9","2","10","6","9","1") = "9"
    & skf18("7","9","2","10","6","10","1") = "9"
    & skf18("7","9","2","10","7","1","1") = "9"
    & skf18("7","9","2","10","7","2","1") = "9"
    & skf18("7","9","2","10","7","3","1") = "9"
    & skf18("7","9","2","10","7","4","1") = "9"
    & skf18("7","9","2","10","7","5","1") = "9"
    & skf18("7","9","2","10","7","6","1") = "9"
    & skf18("7","9","2","10","7","7","1") = "9"
    & skf18("7","9","2","10","7","8","1") = "9"
    & skf18("7","9","2","10","7","9","1") = "9"
    & skf18("7","9","2","10","7","10","1") = "9"
    & skf18("7","9","2","10","8","1","1") = "9"
    & skf18("7","9","2","10","8","2","1") = "9"
    & skf18("7","9","2","10","8","3","1") = "9"
    & skf18("7","9","2","10","8","4","1") = "9"
    & skf18("7","9","2","10","8","5","1") = "9"
    & skf18("7","9","2","10","8","6","1") = "9"
    & skf18("7","9","2","10","8","7","1") = "9"
    & skf18("7","9","2","10","8","8","1") = "9"
    & skf18("7","9","2","10","8","9","1") = "9"
    & skf18("7","9","2","10","8","10","1") = "9"
    & skf18("7","9","2","10","9","1","1") = "9"
    & skf18("7","9","2","10","9","2","1") = "9"
    & skf18("7","9","2","10","9","3","1") = "9"
    & skf18("7","9","2","10","9","4","1") = "9"
    & skf18("7","9","2","10","9","5","1") = "9"
    & skf18("7","9","2","10","9","6","1") = "9"
    & skf18("7","9","2","10","9","7","1") = "9"
    & skf18("7","9","2","10","9","8","1") = "9"
    & skf18("7","9","2","10","9","9","1") = "9"
    & skf18("7","9","2","10","9","10","1") = "9"
    & skf18("7","9","2","10","10","1","1") = "9"
    & skf18("7","9","2","10","10","2","1") = "9"
    & skf18("7","9","2","10","10","3","1") = "9"
    & skf18("7","9","2","10","10","4","1") = "9"
    & skf18("7","9","2","10","10","5","1") = "9"
    & skf18("7","9","2","10","10","6","1") = "9"
    & skf18("7","9","2","10","10","7","1") = "9"
    & skf18("7","9","2","10","10","8","1") = "9"
    & skf18("7","9","2","10","10","9","1") = "9"
    & skf18("7","9","2","10","10","10","1") = "9"
    & skf18("7","9","3","1","1","1","1") = "8"
    & skf18("7","9","3","1","1","2","1") = "8"
    & skf18("7","9","3","1","1","3","1") = "8"
    & skf18("7","9","3","1","1","4","1") = "8"
    & skf18("7","9","3","1","1","5","1") = "8"
    & skf18("7","9","3","1","1","6","1") = "8"
    & skf18("7","9","3","1","1","7","1") = "8"
    & skf18("7","9","3","1","1","8","1") = "8"
    & skf18("7","9","3","1","1","9","1") = "8"
    & skf18("7","9","3","1","1","10","1") = "9"
    & skf18("7","9","3","1","2","1","1") = "8"
    & skf18("7","9","3","1","2","2","1") = "8"
    & skf18("7","9","3","1","2","3","1") = "8"
    & skf18("7","9","3","1","2","4","1") = "8"
    & skf18("7","9","3","1","2","5","1") = "8"
    & skf18("7","9","3","1","2","6","1") = "8"
    & skf18("7","9","3","1","2","7","1") = "8"
    & skf18("7","9","3","1","2","8","1") = "8"
    & skf18("7","9","3","1","2","9","1") = "8"
    & skf18("7","9","3","1","2","10","1") = "9"
    & skf18("7","9","3","1","3","1","1") = "8"
    & skf18("7","9","3","1","3","2","1") = "8"
    & skf18("7","9","3","1","3","3","1") = "8"
    & skf18("7","9","3","1","3","4","1") = "8"
    & skf18("7","9","3","1","3","5","1") = "8"
    & skf18("7","9","3","1","3","6","1") = "8"
    & skf18("7","9","3","1","3","7","1") = "8"
    & skf18("7","9","3","1","3","8","1") = "8"
    & skf18("7","9","3","1","3","9","1") = "8"
    & skf18("7","9","3","1","3","10","1") = "9"
    & skf18("7","9","3","1","4","1","1") = "8"
    & skf18("7","9","3","1","4","2","1") = "8"
    & skf18("7","9","3","1","4","3","1") = "8"
    & skf18("7","9","3","1","4","4","1") = "8"
    & skf18("7","9","3","1","4","5","1") = "8"
    & skf18("7","9","3","1","4","6","1") = "8"
    & skf18("7","9","3","1","4","7","1") = "8"
    & skf18("7","9","3","1","4","8","1") = "8"
    & skf18("7","9","3","1","4","9","1") = "8"
    & skf18("7","9","3","1","4","10","1") = "9"
    & skf18("7","9","3","1","5","1","1") = "8"
    & skf18("7","9","3","1","5","2","1") = "8"
    & skf18("7","9","3","1","5","3","1") = "8"
    & skf18("7","9","3","1","5","4","1") = "8"
    & skf18("7","9","3","1","5","5","1") = "8"
    & skf18("7","9","3","1","5","6","1") = "8"
    & skf18("7","9","3","1","5","7","1") = "8"
    & skf18("7","9","3","1","5","8","1") = "8"
    & skf18("7","9","3","1","5","9","1") = "8"
    & skf18("7","9","3","1","5","10","1") = "9"
    & skf18("7","9","3","1","6","1","1") = "8"
    & skf18("7","9","3","1","6","2","1") = "8"
    & skf18("7","9","3","1","6","3","1") = "8"
    & skf18("7","9","3","1","6","4","1") = "8"
    & skf18("7","9","3","1","6","5","1") = "8"
    & skf18("7","9","3","1","6","6","1") = "8"
    & skf18("7","9","3","1","6","7","1") = "8"
    & skf18("7","9","3","1","6","8","1") = "8"
    & skf18("7","9","3","1","6","9","1") = "8"
    & skf18("7","9","3","1","6","10","1") = "9"
    & skf18("7","9","3","1","7","1","1") = "8"
    & skf18("7","9","3","1","7","2","1") = "8"
    & skf18("7","9","3","1","7","3","1") = "8"
    & skf18("7","9","3","1","7","4","1") = "8"
    & skf18("7","9","3","1","7","5","1") = "8"
    & skf18("7","9","3","1","7","6","1") = "8"
    & skf18("7","9","3","1","7","7","1") = "8"
    & skf18("7","9","3","1","7","8","1") = "8"
    & skf18("7","9","3","1","7","9","1") = "8"
    & skf18("7","9","3","1","7","10","1") = "9"
    & skf18("7","9","3","1","8","1","1") = "8"
    & skf18("7","9","3","1","8","2","1") = "8"
    & skf18("7","9","3","1","8","3","1") = "8"
    & skf18("7","9","3","1","8","4","1") = "8"
    & skf18("7","9","3","1","8","5","1") = "8"
    & skf18("7","9","3","1","8","6","1") = "8"
    & skf18("7","9","3","1","8","7","1") = "8"
    & skf18("7","9","3","1","8","8","1") = "8"
    & skf18("7","9","3","1","8","9","1") = "8"
    & skf18("7","9","3","1","8","10","1") = "9"
    & skf18("7","9","3","1","9","1","1") = "8"
    & skf18("7","9","3","1","9","2","1") = "8"
    & skf18("7","9","3","1","9","3","1") = "8"
    & skf18("7","9","3","1","9","4","1") = "8"
    & skf18("7","9","3","1","9","5","1") = "8"
    & skf18("7","9","3","1","9","6","1") = "8"
    & skf18("7","9","3","1","9","7","1") = "8"
    & skf18("7","9","3","1","9","8","1") = "8"
    & skf18("7","9","3","1","9","9","1") = "8"
    & skf18("7","9","3","1","9","10","1") = "9"
    & skf18("7","9","3","1","10","1","1") = "9"
    & skf18("7","9","3","1","10","2","1") = "9"
    & skf18("7","9","3","1","10","3","1") = "9"
    & skf18("7","9","3","1","10","4","1") = "9"
    & skf18("7","9","3","1","10","5","1") = "9"
    & skf18("7","9","3","1","10","6","1") = "9"
    & skf18("7","9","3","1","10","7","1") = "9"
    & skf18("7","9","3","1","10","8","1") = "9"
    & skf18("7","9","3","1","10","9","1") = "9"
    & skf18("7","9","3","1","10","10","1") = "9"
    & skf18("7","9","3","2","1","1","1") = "8"
    & skf18("7","9","3","2","1","2","1") = "8"
    & skf18("7","9","3","2","1","3","1") = "8"
    & skf18("7","9","3","2","1","4","1") = "8"
    & skf18("7","9","3","2","1","5","1") = "8"
    & skf18("7","9","3","2","1","6","1") = "8"
    & skf18("7","9","3","2","1","7","1") = "8"
    & skf18("7","9","3","2","1","8","1") = "8"
    & skf18("7","9","3","2","1","9","1") = "8"
    & skf18("7","9","3","2","1","10","1") = "9"
    & skf18("7","9","3","2","2","1","1") = "8"
    & skf18("7","9","3","2","2","2","1") = "8"
    & skf18("7","9","3","2","2","3","1") = "8"
    & skf18("7","9","3","2","2","4","1") = "8"
    & skf18("7","9","3","2","2","5","1") = "8"
    & skf18("7","9","3","2","2","6","1") = "8"
    & skf18("7","9","3","2","2","7","1") = "8"
    & skf18("7","9","3","2","2","8","1") = "8"
    & skf18("7","9","3","2","2","9","1") = "8"
    & skf18("7","9","3","2","2","10","1") = "9"
    & skf18("7","9","3","2","3","1","1") = "8"
    & skf18("7","9","3","2","3","2","1") = "8"
    & skf18("7","9","3","2","3","3","1") = "8"
    & skf18("7","9","3","2","3","4","1") = "8"
    & skf18("7","9","3","2","3","5","1") = "8"
    & skf18("7","9","3","2","3","6","1") = "8"
    & skf18("7","9","3","2","3","7","1") = "8"
    & skf18("7","9","3","2","3","8","1") = "8"
    & skf18("7","9","3","2","3","9","1") = "8"
    & skf18("7","9","3","2","3","10","1") = "9"
    & skf18("7","9","3","2","4","1","1") = "8"
    & skf18("7","9","3","2","4","2","1") = "8"
    & skf18("7","9","3","2","4","3","1") = "8"
    & skf18("7","9","3","2","4","4","1") = "8"
    & skf18("7","9","3","2","4","5","1") = "8"
    & skf18("7","9","3","2","4","6","1") = "8"
    & skf18("7","9","3","2","4","7","1") = "8"
    & skf18("7","9","3","2","4","8","1") = "8"
    & skf18("7","9","3","2","4","9","1") = "8"
    & skf18("7","9","3","2","4","10","1") = "9"
    & skf18("7","9","3","2","5","1","1") = "8"
    & skf18("7","9","3","2","5","2","1") = "8"
    & skf18("7","9","3","2","5","3","1") = "8"
    & skf18("7","9","3","2","5","4","1") = "8"
    & skf18("7","9","3","2","5","5","1") = "8"
    & skf18("7","9","3","2","5","6","1") = "8"
    & skf18("7","9","3","2","5","7","1") = "8"
    & skf18("7","9","3","2","5","8","1") = "8"
    & skf18("7","9","3","2","5","9","1") = "8"
    & skf18("7","9","3","2","5","10","1") = "9"
    & skf18("7","9","3","2","6","1","1") = "8"
    & skf18("7","9","3","2","6","2","1") = "8"
    & skf18("7","9","3","2","6","3","1") = "8"
    & skf18("7","9","3","2","6","4","1") = "8"
    & skf18("7","9","3","2","6","5","1") = "8"
    & skf18("7","9","3","2","6","6","1") = "8"
    & skf18("7","9","3","2","6","7","1") = "8"
    & skf18("7","9","3","2","6","8","1") = "8"
    & skf18("7","9","3","2","6","9","1") = "8"
    & skf18("7","9","3","2","6","10","1") = "9"
    & skf18("7","9","3","2","7","1","1") = "8"
    & skf18("7","9","3","2","7","2","1") = "8"
    & skf18("7","9","3","2","7","3","1") = "8"
    & skf18("7","9","3","2","7","4","1") = "8"
    & skf18("7","9","3","2","7","5","1") = "8"
    & skf18("7","9","3","2","7","6","1") = "8"
    & skf18("7","9","3","2","7","7","1") = "8"
    & skf18("7","9","3","2","7","8","1") = "8"
    & skf18("7","9","3","2","7","9","1") = "8"
    & skf18("7","9","3","2","7","10","1") = "9"
    & skf18("7","9","3","2","8","1","1") = "8"
    & skf18("7","9","3","2","8","2","1") = "8"
    & skf18("7","9","3","2","8","3","1") = "8"
    & skf18("7","9","3","2","8","4","1") = "8"
    & skf18("7","9","3","2","8","5","1") = "8"
    & skf18("7","9","3","2","8","6","1") = "8"
    & skf18("7","9","3","2","8","7","1") = "8"
    & skf18("7","9","3","2","8","8","1") = "8"
    & skf18("7","9","3","2","8","9","1") = "8"
    & skf18("7","9","3","2","8","10","1") = "9"
    & skf18("7","9","3","2","9","1","1") = "8"
    & skf18("7","9","3","2","9","2","1") = "8"
    & skf18("7","9","3","2","9","3","1") = "8"
    & skf18("7","9","3","2","9","4","1") = "8"
    & skf18("7","9","3","2","9","5","1") = "8"
    & skf18("7","9","3","2","9","6","1") = "8"
    & skf18("7","9","3","2","9","7","1") = "8"
    & skf18("7","9","3","2","9","8","1") = "8"
    & skf18("7","9","3","2","9","9","1") = "8"
    & skf18("7","9","3","2","9","10","1") = "9"
    & skf18("7","9","3","2","10","1","1") = "9"
    & skf18("7","9","3","2","10","2","1") = "9"
    & skf18("7","9","3","2","10","3","1") = "9"
    & skf18("7","9","3","2","10","4","1") = "9"
    & skf18("7","9","3","2","10","5","1") = "9"
    & skf18("7","9","3","2","10","6","1") = "9"
    & skf18("7","9","3","2","10","7","1") = "9"
    & skf18("7","9","3","2","10","8","1") = "9"
    & skf18("7","9","3","2","10","9","1") = "9"
    & skf18("7","9","3","2","10","10","1") = "9"
    & skf18("7","9","3","3","1","1","1") = "8"
    & skf18("7","9","3","3","1","2","1") = "8"
    & skf18("7","9","3","3","1","3","1") = "8"
    & skf18("7","9","3","3","1","4","1") = "8"
    & skf18("7","9","3","3","1","5","1") = "8"
    & skf18("7","9","3","3","1","6","1") = "8"
    & skf18("7","9","3","3","1","7","1") = "8"
    & skf18("7","9","3","3","1","8","1") = "8"
    & skf18("7","9","3","3","1","9","1") = "8"
    & skf18("7","9","3","3","1","10","1") = "9"
    & skf18("7","9","3","3","2","1","1") = "8"
    & skf18("7","9","3","3","2","2","1") = "8"
    & skf18("7","9","3","3","2","3","1") = "8"
    & skf18("7","9","3","3","2","4","1") = "8"
    & skf18("7","9","3","3","2","5","1") = "8"
    & skf18("7","9","3","3","2","6","1") = "8"
    & skf18("7","9","3","3","2","7","1") = "8"
    & skf18("7","9","3","3","2","8","1") = "8"
    & skf18("7","9","3","3","2","9","1") = "8"
    & skf18("7","9","3","3","2","10","1") = "9"
    & skf18("7","9","3","3","3","1","1") = "8"
    & skf18("7","9","3","3","3","2","1") = "8"
    & skf18("7","9","3","3","3","3","1") = "8"
    & skf18("7","9","3","3","3","4","1") = "8"
    & skf18("7","9","3","3","3","5","1") = "8"
    & skf18("7","9","3","3","3","6","1") = "8"
    & skf18("7","9","3","3","3","7","1") = "8"
    & skf18("7","9","3","3","3","8","1") = "8"
    & skf18("7","9","3","3","3","9","1") = "8"
    & skf18("7","9","3","3","3","10","1") = "9"
    & skf18("7","9","3","3","4","1","1") = "8"
    & skf18("7","9","3","3","4","2","1") = "8"
    & skf18("7","9","3","3","4","3","1") = "8"
    & skf18("7","9","3","3","4","4","1") = "8"
    & skf18("7","9","3","3","4","5","1") = "8"
    & skf18("7","9","3","3","4","6","1") = "8"
    & skf18("7","9","3","3","4","7","1") = "8"
    & skf18("7","9","3","3","4","8","1") = "8"
    & skf18("7","9","3","3","4","9","1") = "8"
    & skf18("7","9","3","3","4","10","1") = "9"
    & skf18("7","9","3","3","5","1","1") = "8"
    & skf18("7","9","3","3","5","2","1") = "8"
    & skf18("7","9","3","3","5","3","1") = "8"
    & skf18("7","9","3","3","5","4","1") = "8"
    & skf18("7","9","3","3","5","5","1") = "8"
    & skf18("7","9","3","3","5","6","1") = "8"
    & skf18("7","9","3","3","5","7","1") = "8"
    & skf18("7","9","3","3","5","8","1") = "8"
    & skf18("7","9","3","3","5","9","1") = "8"
    & skf18("7","9","3","3","5","10","1") = "9"
    & skf18("7","9","3","3","6","1","1") = "8"
    & skf18("7","9","3","3","6","2","1") = "8"
    & skf18("7","9","3","3","6","3","1") = "8"
    & skf18("7","9","3","3","6","4","1") = "8"
    & skf18("7","9","3","3","6","5","1") = "8"
    & skf18("7","9","3","3","6","6","1") = "8"
    & skf18("7","9","3","3","6","7","1") = "8"
    & skf18("7","9","3","3","6","8","1") = "8"
    & skf18("7","9","3","3","6","9","1") = "8"
    & skf18("7","9","3","3","6","10","1") = "9"
    & skf18("7","9","3","3","7","1","1") = "8"
    & skf18("7","9","3","3","7","2","1") = "8"
    & skf18("7","9","3","3","7","3","1") = "8"
    & skf18("7","9","3","3","7","4","1") = "8"
    & skf18("7","9","3","3","7","5","1") = "8"
    & skf18("7","9","3","3","7","6","1") = "8"
    & skf18("7","9","3","3","7","7","1") = "8"
    & skf18("7","9","3","3","7","8","1") = "8"
    & skf18("7","9","3","3","7","9","1") = "8"
    & skf18("7","9","3","3","7","10","1") = "9"
    & skf18("7","9","3","3","8","1","1") = "8"
    & skf18("7","9","3","3","8","2","1") = "8"
    & skf18("7","9","3","3","8","3","1") = "8"
    & skf18("7","9","3","3","8","4","1") = "8"
    & skf18("7","9","3","3","8","5","1") = "8"
    & skf18("7","9","3","3","8","6","1") = "8"
    & skf18("7","9","3","3","8","7","1") = "8"
    & skf18("7","9","3","3","8","8","1") = "8"
    & skf18("7","9","3","3","8","9","1") = "8"
    & skf18("7","9","3","3","8","10","1") = "9"
    & skf18("7","9","3","3","9","1","1") = "8"
    & skf18("7","9","3","3","9","2","1") = "8"
    & skf18("7","9","3","3","9","3","1") = "8"
    & skf18("7","9","3","3","9","4","1") = "8"
    & skf18("7","9","3","3","9","5","1") = "8"
    & skf18("7","9","3","3","9","6","1") = "8"
    & skf18("7","9","3","3","9","7","1") = "8"
    & skf18("7","9","3","3","9","8","1") = "8"
    & skf18("7","9","3","3","9","9","1") = "8"
    & skf18("7","9","3","3","9","10","1") = "9"
    & skf18("7","9","3","3","10","1","1") = "9"
    & skf18("7","9","3","3","10","2","1") = "9"
    & skf18("7","9","3","3","10","3","1") = "9"
    & skf18("7","9","3","3","10","4","1") = "9"
    & skf18("7","9","3","3","10","5","1") = "9"
    & skf18("7","9","3","3","10","6","1") = "9"
    & skf18("7","9","3","3","10","7","1") = "9"
    & skf18("7","9","3","3","10","8","1") = "9"
    & skf18("7","9","3","3","10","9","1") = "9"
    & skf18("7","9","3","3","10","10","1") = "9"
    & skf18("7","9","3","4","1","1","1") = "8"
    & skf18("7","9","3","4","1","2","1") = "8"
    & skf18("7","9","3","4","1","3","1") = "8"
    & skf18("7","9","3","4","1","4","1") = "8"
    & skf18("7","9","3","4","1","5","1") = "8"
    & skf18("7","9","3","4","1","6","1") = "8"
    & skf18("7","9","3","4","1","7","1") = "8"
    & skf18("7","9","3","4","1","8","1") = "8"
    & skf18("7","9","3","4","1","9","1") = "8"
    & skf18("7","9","3","4","1","10","1") = "9"
    & skf18("7","9","3","4","2","1","1") = "8"
    & skf18("7","9","3","4","2","2","1") = "8"
    & skf18("7","9","3","4","2","3","1") = "8"
    & skf18("7","9","3","4","2","4","1") = "8"
    & skf18("7","9","3","4","2","5","1") = "8"
    & skf18("7","9","3","4","2","6","1") = "8"
    & skf18("7","9","3","4","2","7","1") = "8"
    & skf18("7","9","3","4","2","8","1") = "8"
    & skf18("7","9","3","4","2","9","1") = "8"
    & skf18("7","9","3","4","2","10","1") = "9"
    & skf18("7","9","3","4","3","1","1") = "8"
    & skf18("7","9","3","4","3","2","1") = "8"
    & skf18("7","9","3","4","3","3","1") = "8"
    & skf18("7","9","3","4","3","4","1") = "8"
    & skf18("7","9","3","4","3","5","1") = "8"
    & skf18("7","9","3","4","3","6","1") = "8"
    & skf18("7","9","3","4","3","7","1") = "8"
    & skf18("7","9","3","4","3","8","1") = "8"
    & skf18("7","9","3","4","3","9","1") = "8"
    & skf18("7","9","3","4","3","10","1") = "9"
    & skf18("7","9","3","4","4","1","1") = "8"
    & skf18("7","9","3","4","4","2","1") = "8"
    & skf18("7","9","3","4","4","3","1") = "8"
    & skf18("7","9","3","4","4","4","1") = "8"
    & skf18("7","9","3","4","4","5","1") = "8"
    & skf18("7","9","3","4","4","6","1") = "8"
    & skf18("7","9","3","4","4","7","1") = "8"
    & skf18("7","9","3","4","4","8","1") = "8"
    & skf18("7","9","3","4","4","9","1") = "8"
    & skf18("7","9","3","4","4","10","1") = "9"
    & skf18("7","9","3","4","5","1","1") = "8"
    & skf18("7","9","3","4","5","2","1") = "8"
    & skf18("7","9","3","4","5","3","1") = "8"
    & skf18("7","9","3","4","5","4","1") = "8"
    & skf18("7","9","3","4","5","5","1") = "8"
    & skf18("7","9","3","4","5","6","1") = "8"
    & skf18("7","9","3","4","5","7","1") = "8"
    & skf18("7","9","3","4","5","8","1") = "8"
    & skf18("7","9","3","4","5","9","1") = "8"
    & skf18("7","9","3","4","5","10","1") = "9"
    & skf18("7","9","3","4","6","1","1") = "8"
    & skf18("7","9","3","4","6","2","1") = "8"
    & skf18("7","9","3","4","6","3","1") = "8"
    & skf18("7","9","3","4","6","4","1") = "8"
    & skf18("7","9","3","4","6","5","1") = "8"
    & skf18("7","9","3","4","6","6","1") = "8"
    & skf18("7","9","3","4","6","7","1") = "8"
    & skf18("7","9","3","4","6","8","1") = "8"
    & skf18("7","9","3","4","6","9","1") = "8"
    & skf18("7","9","3","4","6","10","1") = "9"
    & skf18("7","9","3","4","7","1","1") = "8"
    & skf18("7","9","3","4","7","2","1") = "8"
    & skf18("7","9","3","4","7","3","1") = "8"
    & skf18("7","9","3","4","7","4","1") = "8"
    & skf18("7","9","3","4","7","5","1") = "8"
    & skf18("7","9","3","4","7","6","1") = "8"
    & skf18("7","9","3","4","7","7","1") = "8"
    & skf18("7","9","3","4","7","8","1") = "8"
    & skf18("7","9","3","4","7","9","1") = "8"
    & skf18("7","9","3","4","7","10","1") = "9"
    & skf18("7","9","3","4","8","1","1") = "8"
    & skf18("7","9","3","4","8","2","1") = "8"
    & skf18("7","9","3","4","8","3","1") = "8"
    & skf18("7","9","3","4","8","4","1") = "8"
    & skf18("7","9","3","4","8","5","1") = "8"
    & skf18("7","9","3","4","8","6","1") = "8"
    & skf18("7","9","3","4","8","7","1") = "8"
    & skf18("7","9","3","4","8","8","1") = "8"
    & skf18("7","9","3","4","8","9","1") = "8"
    & skf18("7","9","3","4","8","10","1") = "9"
    & skf18("7","9","3","4","9","1","1") = "8"
    & skf18("7","9","3","4","9","2","1") = "8"
    & skf18("7","9","3","4","9","3","1") = "8"
    & skf18("7","9","3","4","9","4","1") = "8"
    & skf18("7","9","3","4","9","5","1") = "8"
    & skf18("7","9","3","4","9","6","1") = "8"
    & skf18("7","9","3","4","9","7","1") = "8"
    & skf18("7","9","3","4","9","8","1") = "8"
    & skf18("7","9","3","4","9","9","1") = "8"
    & skf18("7","9","3","4","9","10","1") = "9"
    & skf18("7","9","3","4","10","1","1") = "9"
    & skf18("7","9","3","4","10","2","1") = "9"
    & skf18("7","9","3","4","10","3","1") = "9"
    & skf18("7","9","3","4","10","4","1") = "9"
    & skf18("7","9","3","4","10","5","1") = "9"
    & skf18("7","9","3","4","10","6","1") = "9"
    & skf18("7","9","3","4","10","7","1") = "9"
    & skf18("7","9","3","4","10","8","1") = "9"
    & skf18("7","9","3","4","10","9","1") = "9"
    & skf18("7","9","3","4","10","10","1") = "9"
    & skf18("7","9","3","5","1","1","1") = "8"
    & skf18("7","9","3","5","1","2","1") = "8"
    & skf18("7","9","3","5","1","3","1") = "8"
    & skf18("7","9","3","5","1","4","1") = "8"
    & skf18("7","9","3","5","1","5","1") = "8"
    & skf18("7","9","3","5","1","6","1") = "8"
    & skf18("7","9","3","5","1","7","1") = "8"
    & skf18("7","9","3","5","1","8","1") = "8"
    & skf18("7","9","3","5","1","9","1") = "8"
    & skf18("7","9","3","5","1","10","1") = "9"
    & skf18("7","9","3","5","2","1","1") = "8"
    & skf18("7","9","3","5","2","2","1") = "8"
    & skf18("7","9","3","5","2","3","1") = "8"
    & skf18("7","9","3","5","2","4","1") = "8"
    & skf18("7","9","3","5","2","5","1") = "8"
    & skf18("7","9","3","5","2","6","1") = "8"
    & skf18("7","9","3","5","2","7","1") = "8"
    & skf18("7","9","3","5","2","8","1") = "8"
    & skf18("7","9","3","5","2","9","1") = "8"
    & skf18("7","9","3","5","2","10","1") = "9"
    & skf18("7","9","3","5","3","1","1") = "8"
    & skf18("7","9","3","5","3","2","1") = "8"
    & skf18("7","9","3","5","3","3","1") = "8"
    & skf18("7","9","3","5","3","4","1") = "8"
    & skf18("7","9","3","5","3","5","1") = "8"
    & skf18("7","9","3","5","3","6","1") = "8"
    & skf18("7","9","3","5","3","7","1") = "8"
    & skf18("7","9","3","5","3","8","1") = "8"
    & skf18("7","9","3","5","3","9","1") = "8"
    & skf18("7","9","3","5","3","10","1") = "9"
    & skf18("7","9","3","5","4","1","1") = "8"
    & skf18("7","9","3","5","4","2","1") = "8"
    & skf18("7","9","3","5","4","3","1") = "8"
    & skf18("7","9","3","5","4","4","1") = "8"
    & skf18("7","9","3","5","4","5","1") = "8"
    & skf18("7","9","3","5","4","6","1") = "8"
    & skf18("7","9","3","5","4","7","1") = "8"
    & skf18("7","9","3","5","4","8","1") = "8"
    & skf18("7","9","3","5","4","9","1") = "8"
    & skf18("7","9","3","5","4","10","1") = "9"
    & skf18("7","9","3","5","5","1","1") = "8"
    & skf18("7","9","3","5","5","2","1") = "8"
    & skf18("7","9","3","5","5","3","1") = "8"
    & skf18("7","9","3","5","5","4","1") = "8"
    & skf18("7","9","3","5","5","5","1") = "8"
    & skf18("7","9","3","5","5","6","1") = "8"
    & skf18("7","9","3","5","5","7","1") = "8"
    & skf18("7","9","3","5","5","8","1") = "8"
    & skf18("7","9","3","5","5","9","1") = "8"
    & skf18("7","9","3","5","5","10","1") = "9"
    & skf18("7","9","3","5","6","1","1") = "8"
    & skf18("7","9","3","5","6","2","1") = "8"
    & skf18("7","9","3","5","6","3","1") = "8"
    & skf18("7","9","3","5","6","4","1") = "8"
    & skf18("7","9","3","5","6","5","1") = "8"
    & skf18("7","9","3","5","6","6","1") = "8"
    & skf18("7","9","3","5","6","7","1") = "8"
    & skf18("7","9","3","5","6","8","1") = "8"
    & skf18("7","9","3","5","6","9","1") = "8"
    & skf18("7","9","3","5","6","10","1") = "9"
    & skf18("7","9","3","5","7","1","1") = "8"
    & skf18("7","9","3","5","7","2","1") = "8"
    & skf18("7","9","3","5","7","3","1") = "8"
    & skf18("7","9","3","5","7","4","1") = "8"
    & skf18("7","9","3","5","7","5","1") = "8"
    & skf18("7","9","3","5","7","6","1") = "8"
    & skf18("7","9","3","5","7","7","1") = "8"
    & skf18("7","9","3","5","7","8","1") = "8"
    & skf18("7","9","3","5","7","9","1") = "8"
    & skf18("7","9","3","5","7","10","1") = "9"
    & skf18("7","9","3","5","8","1","1") = "8"
    & skf18("7","9","3","5","8","2","1") = "8"
    & skf18("7","9","3","5","8","3","1") = "8"
    & skf18("7","9","3","5","8","4","1") = "8"
    & skf18("7","9","3","5","8","5","1") = "8"
    & skf18("7","9","3","5","8","6","1") = "8"
    & skf18("7","9","3","5","8","7","1") = "8"
    & skf18("7","9","3","5","8","8","1") = "8"
    & skf18("7","9","3","5","8","9","1") = "8"
    & skf18("7","9","3","5","8","10","1") = "9"
    & skf18("7","9","3","5","9","1","1") = "8"
    & skf18("7","9","3","5","9","2","1") = "8"
    & skf18("7","9","3","5","9","3","1") = "8"
    & skf18("7","9","3","5","9","4","1") = "8"
    & skf18("7","9","3","5","9","5","1") = "8"
    & skf18("7","9","3","5","9","6","1") = "8"
    & skf18("7","9","3","5","9","7","1") = "8"
    & skf18("7","9","3","5","9","8","1") = "8"
    & skf18("7","9","3","5","9","9","1") = "8"
    & skf18("7","9","3","5","9","10","1") = "9"
    & skf18("7","9","3","5","10","1","1") = "9"
    & skf18("7","9","3","5","10","2","1") = "9"
    & skf18("7","9","3","5","10","3","1") = "9"
    & skf18("7","9","3","5","10","4","1") = "9"
    & skf18("7","9","3","5","10","5","1") = "9"
    & skf18("7","9","3","5","10","6","1") = "9"
    & skf18("7","9","3","5","10","7","1") = "9"
    & skf18("7","9","3","5","10","8","1") = "9"
    & skf18("7","9","3","5","10","9","1") = "9"
    & skf18("7","9","3","5","10","10","1") = "9"
    & skf18("7","9","3","6","1","1","1") = "8"
    & skf18("7","9","3","6","1","2","1") = "8"
    & skf18("7","9","3","6","1","3","1") = "8"
    & skf18("7","9","3","6","1","4","1") = "8"
    & skf18("7","9","3","6","1","5","1") = "8"
    & skf18("7","9","3","6","1","6","1") = "8"
    & skf18("7","9","3","6","1","7","1") = "8"
    & skf18("7","9","3","6","1","8","1") = "8"
    & skf18("7","9","3","6","1","9","1") = "8"
    & skf18("7","9","3","6","1","10","1") = "9"
    & skf18("7","9","3","6","2","1","1") = "8"
    & skf18("7","9","3","6","2","2","1") = "8"
    & skf18("7","9","3","6","2","3","1") = "8"
    & skf18("7","9","3","6","2","4","1") = "8"
    & skf18("7","9","3","6","2","5","1") = "8"
    & skf18("7","9","3","6","2","6","1") = "8"
    & skf18("7","9","3","6","2","7","1") = "8"
    & skf18("7","9","3","6","2","8","1") = "8"
    & skf18("7","9","3","6","2","9","1") = "8"
    & skf18("7","9","3","6","2","10","1") = "9"
    & skf18("7","9","3","6","3","1","1") = "8"
    & skf18("7","9","3","6","3","2","1") = "8"
    & skf18("7","9","3","6","3","3","1") = "8"
    & skf18("7","9","3","6","3","4","1") = "8"
    & skf18("7","9","3","6","3","5","1") = "8"
    & skf18("7","9","3","6","3","6","1") = "8"
    & skf18("7","9","3","6","3","7","1") = "8"
    & skf18("7","9","3","6","3","8","1") = "8"
    & skf18("7","9","3","6","3","9","1") = "8"
    & skf18("7","9","3","6","3","10","1") = "9"
    & skf18("7","9","3","6","4","1","1") = "8"
    & skf18("7","9","3","6","4","2","1") = "8"
    & skf18("7","9","3","6","4","3","1") = "8"
    & skf18("7","9","3","6","4","4","1") = "8"
    & skf18("7","9","3","6","4","5","1") = "8"
    & skf18("7","9","3","6","4","6","1") = "8"
    & skf18("7","9","3","6","4","7","1") = "8"
    & skf18("7","9","3","6","4","8","1") = "8"
    & skf18("7","9","3","6","4","9","1") = "8"
    & skf18("7","9","3","6","4","10","1") = "9"
    & skf18("7","9","3","6","5","1","1") = "8"
    & skf18("7","9","3","6","5","2","1") = "8"
    & skf18("7","9","3","6","5","3","1") = "8"
    & skf18("7","9","3","6","5","4","1") = "8"
    & skf18("7","9","3","6","5","5","1") = "8"
    & skf18("7","9","3","6","5","6","1") = "8"
    & skf18("7","9","3","6","5","7","1") = "8"
    & skf18("7","9","3","6","5","8","1") = "8"
    & skf18("7","9","3","6","5","9","1") = "8"
    & skf18("7","9","3","6","5","10","1") = "9"
    & skf18("7","9","3","6","6","1","1") = "8"
    & skf18("7","9","3","6","6","2","1") = "8"
    & skf18("7","9","3","6","6","3","1") = "8"
    & skf18("7","9","3","6","6","4","1") = "8"
    & skf18("7","9","3","6","6","5","1") = "8"
    & skf18("7","9","3","6","6","6","1") = "8"
    & skf18("7","9","3","6","6","7","1") = "8"
    & skf18("7","9","3","6","6","8","1") = "8"
    & skf18("7","9","3","6","6","9","1") = "8"
    & skf18("7","9","3","6","6","10","1") = "9"
    & skf18("7","9","3","6","7","1","1") = "8"
    & skf18("7","9","3","6","7","2","1") = "8"
    & skf18("7","9","3","6","7","3","1") = "8"
    & skf18("7","9","3","6","7","4","1") = "8"
    & skf18("7","9","3","6","7","5","1") = "8"
    & skf18("7","9","3","6","7","6","1") = "8"
    & skf18("7","9","3","6","7","7","1") = "8"
    & skf18("7","9","3","6","7","8","1") = "8"
    & skf18("7","9","3","6","7","9","1") = "8"
    & skf18("7","9","3","6","7","10","1") = "9"
    & skf18("7","9","3","6","8","1","1") = "8"
    & skf18("7","9","3","6","8","2","1") = "8"
    & skf18("7","9","3","6","8","3","1") = "8"
    & skf18("7","9","3","6","8","4","1") = "8"
    & skf18("7","9","3","6","8","5","1") = "8"
    & skf18("7","9","3","6","8","6","1") = "8"
    & skf18("7","9","3","6","8","7","1") = "8"
    & skf18("7","9","3","6","8","8","1") = "8"
    & skf18("7","9","3","6","8","9","1") = "8"
    & skf18("7","9","3","6","8","10","1") = "9"
    & skf18("7","9","3","6","9","1","1") = "8"
    & skf18("7","9","3","6","9","2","1") = "8"
    & skf18("7","9","3","6","9","3","1") = "8"
    & skf18("7","9","3","6","9","4","1") = "8"
    & skf18("7","9","3","6","9","5","1") = "8"
    & skf18("7","9","3","6","9","6","1") = "8"
    & skf18("7","9","3","6","9","7","1") = "8"
    & skf18("7","9","3","6","9","8","1") = "8"
    & skf18("7","9","3","6","9","9","1") = "8"
    & skf18("7","9","3","6","9","10","1") = "9"
    & skf18("7","9","3","6","10","1","1") = "9"
    & skf18("7","9","3","6","10","2","1") = "9"
    & skf18("7","9","3","6","10","3","1") = "9"
    & skf18("7","9","3","6","10","4","1") = "9"
    & skf18("7","9","3","6","10","5","1") = "9"
    & skf18("7","9","3","6","10","6","1") = "9"
    & skf18("7","9","3","6","10","7","1") = "9"
    & skf18("7","9","3","6","10","8","1") = "9"
    & skf18("7","9","3","6","10","9","1") = "9"
    & skf18("7","9","3","6","10","10","1") = "9"
    & skf18("7","9","3","7","1","1","1") = "8"
    & skf18("7","9","3","7","1","2","1") = "8"
    & skf18("7","9","3","7","1","3","1") = "8"
    & skf18("7","9","3","7","1","4","1") = "8"
    & skf18("7","9","3","7","1","5","1") = "8"
    & skf18("7","9","3","7","1","6","1") = "8"
    & skf18("7","9","3","7","1","7","1") = "8"
    & skf18("7","9","3","7","1","8","1") = "8"
    & skf18("7","9","3","7","1","9","1") = "8"
    & skf18("7","9","3","7","1","10","1") = "9"
    & skf18("7","9","3","7","2","1","1") = "8"
    & skf18("7","9","3","7","2","2","1") = "8"
    & skf18("7","9","3","7","2","3","1") = "8"
    & skf18("7","9","3","7","2","4","1") = "8"
    & skf18("7","9","3","7","2","5","1") = "8"
    & skf18("7","9","3","7","2","6","1") = "8"
    & skf18("7","9","3","7","2","7","1") = "8"
    & skf18("7","9","3","7","2","8","1") = "8"
    & skf18("7","9","3","7","2","9","1") = "8"
    & skf18("7","9","3","7","2","10","1") = "9"
    & skf18("7","9","3","7","3","1","1") = "8"
    & skf18("7","9","3","7","3","2","1") = "8"
    & skf18("7","9","3","7","3","3","1") = "8"
    & skf18("7","9","3","7","3","4","1") = "8"
    & skf18("7","9","3","7","3","5","1") = "8"
    & skf18("7","9","3","7","3","6","1") = "8"
    & skf18("7","9","3","7","3","7","1") = "8"
    & skf18("7","9","3","7","3","8","1") = "8"
    & skf18("7","9","3","7","3","9","1") = "8"
    & skf18("7","9","3","7","3","10","1") = "9"
    & skf18("7","9","3","7","4","1","1") = "8"
    & skf18("7","9","3","7","4","2","1") = "8"
    & skf18("7","9","3","7","4","3","1") = "8"
    & skf18("7","9","3","7","4","4","1") = "8"
    & skf18("7","9","3","7","4","5","1") = "8"
    & skf18("7","9","3","7","4","6","1") = "8"
    & skf18("7","9","3","7","4","7","1") = "8"
    & skf18("7","9","3","7","4","8","1") = "8"
    & skf18("7","9","3","7","4","9","1") = "8"
    & skf18("7","9","3","7","4","10","1") = "9"
    & skf18("7","9","3","7","5","1","1") = "8"
    & skf18("7","9","3","7","5","2","1") = "8"
    & skf18("7","9","3","7","5","3","1") = "8"
    & skf18("7","9","3","7","5","4","1") = "8"
    & skf18("7","9","3","7","5","5","1") = "8"
    & skf18("7","9","3","7","5","6","1") = "8"
    & skf18("7","9","3","7","5","7","1") = "8"
    & skf18("7","9","3","7","5","8","1") = "8"
    & skf18("7","9","3","7","5","9","1") = "8"
    & skf18("7","9","3","7","5","10","1") = "9"
    & skf18("7","9","3","7","6","1","1") = "8"
    & skf18("7","9","3","7","6","2","1") = "8"
    & skf18("7","9","3","7","6","3","1") = "8"
    & skf18("7","9","3","7","6","4","1") = "8"
    & skf18("7","9","3","7","6","5","1") = "8"
    & skf18("7","9","3","7","6","6","1") = "8"
    & skf18("7","9","3","7","6","7","1") = "8"
    & skf18("7","9","3","7","6","8","1") = "8"
    & skf18("7","9","3","7","6","9","1") = "8"
    & skf18("7","9","3","7","6","10","1") = "9"
    & skf18("7","9","3","7","7","1","1") = "8"
    & skf18("7","9","3","7","7","2","1") = "8"
    & skf18("7","9","3","7","7","3","1") = "8"
    & skf18("7","9","3","7","7","4","1") = "8"
    & skf18("7","9","3","7","7","5","1") = "8"
    & skf18("7","9","3","7","7","6","1") = "8"
    & skf18("7","9","3","7","7","7","1") = "8"
    & skf18("7","9","3","7","7","8","1") = "8"
    & skf18("7","9","3","7","7","9","1") = "8"
    & skf18("7","9","3","7","7","10","1") = "9"
    & skf18("7","9","3","7","8","1","1") = "8"
    & skf18("7","9","3","7","8","2","1") = "8"
    & skf18("7","9","3","7","8","3","1") = "8"
    & skf18("7","9","3","7","8","4","1") = "8"
    & skf18("7","9","3","7","8","5","1") = "8"
    & skf18("7","9","3","7","8","6","1") = "8"
    & skf18("7","9","3","7","8","7","1") = "8"
    & skf18("7","9","3","7","8","8","1") = "8"
    & skf18("7","9","3","7","8","9","1") = "8"
    & skf18("7","9","3","7","8","10","1") = "9"
    & skf18("7","9","3","7","9","1","1") = "8"
    & skf18("7","9","3","7","9","2","1") = "8"
    & skf18("7","9","3","7","9","3","1") = "8"
    & skf18("7","9","3","7","9","4","1") = "8"
    & skf18("7","9","3","7","9","5","1") = "8"
    & skf18("7","9","3","7","9","6","1") = "8"
    & skf18("7","9","3","7","9","7","1") = "8"
    & skf18("7","9","3","7","9","8","1") = "8"
    & skf18("7","9","3","7","9","9","1") = "8"
    & skf18("7","9","3","7","9","10","1") = "9"
    & skf18("7","9","3","7","10","1","1") = "9"
    & skf18("7","9","3","7","10","2","1") = "9"
    & skf18("7","9","3","7","10","3","1") = "9"
    & skf18("7","9","3","7","10","4","1") = "9"
    & skf18("7","9","3","7","10","5","1") = "9"
    & skf18("7","9","3","7","10","6","1") = "9"
    & skf18("7","9","3","7","10","7","1") = "9"
    & skf18("7","9","3","7","10","8","1") = "9"
    & skf18("7","9","3","7","10","9","1") = "9"
    & skf18("7","9","3","7","10","10","1") = "9"
    & skf18("7","9","3","8","1","1","1") = "8"
    & skf18("7","9","3","8","1","2","1") = "8"
    & skf18("7","9","3","8","1","3","1") = "8"
    & skf18("7","9","3","8","1","4","1") = "8"
    & skf18("7","9","3","8","1","5","1") = "8"
    & skf18("7","9","3","8","1","6","1") = "8"
    & skf18("7","9","3","8","1","7","1") = "8"
    & skf18("7","9","3","8","1","8","1") = "8"
    & skf18("7","9","3","8","1","9","1") = "8"
    & skf18("7","9","3","8","1","10","1") = "9"
    & skf18("7","9","3","8","2","1","1") = "8"
    & skf18("7","9","3","8","2","2","1") = "8"
    & skf18("7","9","3","8","2","3","1") = "8"
    & skf18("7","9","3","8","2","4","1") = "8"
    & skf18("7","9","3","8","2","5","1") = "8"
    & skf18("7","9","3","8","2","6","1") = "8"
    & skf18("7","9","3","8","2","7","1") = "8"
    & skf18("7","9","3","8","2","8","1") = "8"
    & skf18("7","9","3","8","2","9","1") = "8"
    & skf18("7","9","3","8","2","10","1") = "9"
    & skf18("7","9","3","8","3","1","1") = "8"
    & skf18("7","9","3","8","3","2","1") = "8"
    & skf18("7","9","3","8","3","3","1") = "8"
    & skf18("7","9","3","8","3","4","1") = "8"
    & skf18("7","9","3","8","3","5","1") = "8"
    & skf18("7","9","3","8","3","6","1") = "8"
    & skf18("7","9","3","8","3","7","1") = "8"
    & skf18("7","9","3","8","3","8","1") = "8"
    & skf18("7","9","3","8","3","9","1") = "8"
    & skf18("7","9","3","8","3","10","1") = "9"
    & skf18("7","9","3","8","4","1","1") = "8"
    & skf18("7","9","3","8","4","2","1") = "8"
    & skf18("7","9","3","8","4","3","1") = "8"
    & skf18("7","9","3","8","4","4","1") = "8"
    & skf18("7","9","3","8","4","5","1") = "8"
    & skf18("7","9","3","8","4","6","1") = "8"
    & skf18("7","9","3","8","4","7","1") = "8"
    & skf18("7","9","3","8","4","8","1") = "8"
    & skf18("7","9","3","8","4","9","1") = "8"
    & skf18("7","9","3","8","4","10","1") = "9"
    & skf18("7","9","3","8","5","1","1") = "8"
    & skf18("7","9","3","8","5","2","1") = "8"
    & skf18("7","9","3","8","5","3","1") = "8"
    & skf18("7","9","3","8","5","4","1") = "8"
    & skf18("7","9","3","8","5","5","1") = "8"
    & skf18("7","9","3","8","5","6","1") = "8"
    & skf18("7","9","3","8","5","7","1") = "8"
    & skf18("7","9","3","8","5","8","1") = "8"
    & skf18("7","9","3","8","5","9","1") = "8"
    & skf18("7","9","3","8","5","10","1") = "9"
    & skf18("7","9","3","8","6","1","1") = "8"
    & skf18("7","9","3","8","6","2","1") = "8"
    & skf18("7","9","3","8","6","3","1") = "8"
    & skf18("7","9","3","8","6","4","1") = "8"
    & skf18("7","9","3","8","6","5","1") = "8"
    & skf18("7","9","3","8","6","6","1") = "8"
    & skf18("7","9","3","8","6","7","1") = "8"
    & skf18("7","9","3","8","6","8","1") = "8"
    & skf18("7","9","3","8","6","9","1") = "8"
    & skf18("7","9","3","8","6","10","1") = "9"
    & skf18("7","9","3","8","7","1","1") = "8"
    & skf18("7","9","3","8","7","2","1") = "8"
    & skf18("7","9","3","8","7","3","1") = "8"
    & skf18("7","9","3","8","7","4","1") = "8"
    & skf18("7","9","3","8","7","5","1") = "8"
    & skf18("7","9","3","8","7","6","1") = "8"
    & skf18("7","9","3","8","7","7","1") = "8"
    & skf18("7","9","3","8","7","8","1") = "8"
    & skf18("7","9","3","8","7","9","1") = "8"
    & skf18("7","9","3","8","7","10","1") = "9"
    & skf18("7","9","3","8","8","1","1") = "8"
    & skf18("7","9","3","8","8","2","1") = "8"
    & skf18("7","9","3","8","8","3","1") = "8"
    & skf18("7","9","3","8","8","4","1") = "8"
    & skf18("7","9","3","8","8","5","1") = "8"
    & skf18("7","9","3","8","8","6","1") = "8"
    & skf18("7","9","3","8","8","7","1") = "8"
    & skf18("7","9","3","8","8","8","1") = "8"
    & skf18("7","9","3","8","8","9","1") = "8"
    & skf18("7","9","3","8","8","10","1") = "9"
    & skf18("7","9","3","8","9","1","1") = "8"
    & skf18("7","9","3","8","9","2","1") = "8"
    & skf18("7","9","3","8","9","3","1") = "8"
    & skf18("7","9","3","8","9","4","1") = "8"
    & skf18("7","9","3","8","9","5","1") = "8"
    & skf18("7","9","3","8","9","6","1") = "8"
    & skf18("7","9","3","8","9","7","1") = "8"
    & skf18("7","9","3","8","9","8","1") = "8"
    & skf18("7","9","3","8","9","9","1") = "8"
    & skf18("7","9","3","8","9","10","1") = "9"
    & skf18("7","9","3","8","10","1","1") = "9"
    & skf18("7","9","3","8","10","2","1") = "9"
    & skf18("7","9","3","8","10","3","1") = "9"
    & skf18("7","9","3","8","10","4","1") = "9"
    & skf18("7","9","3","8","10","5","1") = "9"
    & skf18("7","9","3","8","10","6","1") = "9"
    & skf18("7","9","3","8","10","7","1") = "9"
    & skf18("7","9","3","8","10","8","1") = "9"
    & skf18("7","9","3","8","10","9","1") = "9"
    & skf18("7","9","3","8","10","10","1") = "9"
    & skf18("7","9","3","9","1","1","1") = "8"
    & skf18("7","9","3","9","1","2","1") = "8"
    & skf18("7","9","3","9","1","3","1") = "8"
    & skf18("7","9","3","9","1","4","1") = "8"
    & skf18("7","9","3","9","1","5","1") = "8"
    & skf18("7","9","3","9","1","6","1") = "8"
    & skf18("7","9","3","9","1","7","1") = "8"
    & skf18("7","9","3","9","1","8","1") = "8"
    & skf18("7","9","3","9","1","9","1") = "8"
    & skf18("7","9","3","9","1","10","1") = "9"
    & skf18("7","9","3","9","2","1","1") = "8"
    & skf18("7","9","3","9","2","2","1") = "8"
    & skf18("7","9","3","9","2","3","1") = "8"
    & skf18("7","9","3","9","2","4","1") = "8"
    & skf18("7","9","3","9","2","5","1") = "8"
    & skf18("7","9","3","9","2","6","1") = "8"
    & skf18("7","9","3","9","2","7","1") = "8"
    & skf18("7","9","3","9","2","8","1") = "8"
    & skf18("7","9","3","9","2","9","1") = "8"
    & skf18("7","9","3","9","2","10","1") = "9"
    & skf18("7","9","3","9","3","1","1") = "8"
    & skf18("7","9","3","9","3","2","1") = "8"
    & skf18("7","9","3","9","3","3","1") = "8"
    & skf18("7","9","3","9","3","4","1") = "8"
    & skf18("7","9","3","9","3","5","1") = "8"
    & skf18("7","9","3","9","3","6","1") = "8"
    & skf18("7","9","3","9","3","7","1") = "8"
    & skf18("7","9","3","9","3","8","1") = "8"
    & skf18("7","9","3","9","3","9","1") = "8"
    & skf18("7","9","3","9","3","10","1") = "9"
    & skf18("7","9","3","9","4","1","1") = "8"
    & skf18("7","9","3","9","4","2","1") = "8"
    & skf18("7","9","3","9","4","3","1") = "8"
    & skf18("7","9","3","9","4","4","1") = "8"
    & skf18("7","9","3","9","4","5","1") = "8"
    & skf18("7","9","3","9","4","6","1") = "8"
    & skf18("7","9","3","9","4","7","1") = "8"
    & skf18("7","9","3","9","4","8","1") = "8"
    & skf18("7","9","3","9","4","9","1") = "8"
    & skf18("7","9","3","9","4","10","1") = "9"
    & skf18("7","9","3","9","5","1","1") = "8"
    & skf18("7","9","3","9","5","2","1") = "8"
    & skf18("7","9","3","9","5","3","1") = "8"
    & skf18("7","9","3","9","5","4","1") = "8"
    & skf18("7","9","3","9","5","5","1") = "8"
    & skf18("7","9","3","9","5","6","1") = "8"
    & skf18("7","9","3","9","5","7","1") = "8"
    & skf18("7","9","3","9","5","8","1") = "8"
    & skf18("7","9","3","9","5","9","1") = "8"
    & skf18("7","9","3","9","5","10","1") = "9"
    & skf18("7","9","3","9","6","1","1") = "8"
    & skf18("7","9","3","9","6","2","1") = "8"
    & skf18("7","9","3","9","6","3","1") = "8"
    & skf18("7","9","3","9","6","4","1") = "8"
    & skf18("7","9","3","9","6","5","1") = "8"
    & skf18("7","9","3","9","6","6","1") = "8"
    & skf18("7","9","3","9","6","7","1") = "8"
    & skf18("7","9","3","9","6","8","1") = "8"
    & skf18("7","9","3","9","6","9","1") = "8"
    & skf18("7","9","3","9","6","10","1") = "9"
    & skf18("7","9","3","9","7","1","1") = "8"
    & skf18("7","9","3","9","7","2","1") = "8"
    & skf18("7","9","3","9","7","3","1") = "8"
    & skf18("7","9","3","9","7","4","1") = "8"
    & skf18("7","9","3","9","7","5","1") = "8"
    & skf18("7","9","3","9","7","6","1") = "8"
    & skf18("7","9","3","9","7","7","1") = "8"
    & skf18("7","9","3","9","7","8","1") = "8"
    & skf18("7","9","3","9","7","9","1") = "8"
    & skf18("7","9","3","9","7","10","1") = "9"
    & skf18("7","9","3","9","8","1","1") = "8"
    & skf18("7","9","3","9","8","2","1") = "8"
    & skf18("7","9","3","9","8","3","1") = "8"
    & skf18("7","9","3","9","8","4","1") = "8"
    & skf18("7","9","3","9","8","5","1") = "8"
    & skf18("7","9","3","9","8","6","1") = "8"
    & skf18("7","9","3","9","8","7","1") = "8"
    & skf18("7","9","3","9","8","8","1") = "8"
    & skf18("7","9","3","9","8","9","1") = "8"
    & skf18("7","9","3","9","8","10","1") = "9"
    & skf18("7","9","3","9","9","1","1") = "8"
    & skf18("7","9","3","9","9","2","1") = "8"
    & skf18("7","9","3","9","9","3","1") = "8"
    & skf18("7","9","3","9","9","4","1") = "8"
    & skf18("7","9","3","9","9","5","1") = "8"
    & skf18("7","9","3","9","9","6","1") = "8"
    & skf18("7","9","3","9","9","7","1") = "8"
    & skf18("7","9","3","9","9","8","1") = "8"
    & skf18("7","9","3","9","9","9","1") = "8"
    & skf18("7","9","3","9","9","10","1") = "9"
    & skf18("7","9","3","9","10","1","1") = "9"
    & skf18("7","9","3","9","10","2","1") = "9"
    & skf18("7","9","3","9","10","3","1") = "9"
    & skf18("7","9","3","9","10","4","1") = "9"
    & skf18("7","9","3","9","10","5","1") = "9"
    & skf18("7","9","3","9","10","6","1") = "9"
    & skf18("7","9","3","9","10","7","1") = "9"
    & skf18("7","9","3","9","10","8","1") = "9"
    & skf18("7","9","3","9","10","9","1") = "9"
    & skf18("7","9","3","9","10","10","1") = "9"
    & skf18("7","9","3","10","1","1","1") = "9"
    & skf18("7","9","3","10","1","2","1") = "9"
    & skf18("7","9","3","10","1","3","1") = "9"
    & skf18("7","9","3","10","1","4","1") = "9"
    & skf18("7","9","3","10","1","5","1") = "9"
    & skf18("7","9","3","10","1","6","1") = "9"
    & skf18("7","9","3","10","1","7","1") = "9"
    & skf18("7","9","3","10","1","8","1") = "9"
    & skf18("7","9","3","10","1","9","1") = "9"
    & skf18("7","9","3","10","1","10","1") = "9"
    & skf18("7","9","3","10","2","1","1") = "9"
    & skf18("7","9","3","10","2","2","1") = "9"
    & skf18("7","9","3","10","2","3","1") = "9"
    & skf18("7","9","3","10","2","4","1") = "9"
    & skf18("7","9","3","10","2","5","1") = "9"
    & skf18("7","9","3","10","2","6","1") = "9"
    & skf18("7","9","3","10","2","7","1") = "9"
    & skf18("7","9","3","10","2","8","1") = "9"
    & skf18("7","9","3","10","2","9","1") = "9"
    & skf18("7","9","3","10","2","10","1") = "9"
    & skf18("7","9","3","10","3","1","1") = "9"
    & skf18("7","9","3","10","3","2","1") = "9"
    & skf18("7","9","3","10","3","3","1") = "9"
    & skf18("7","9","3","10","3","4","1") = "9"
    & skf18("7","9","3","10","3","5","1") = "9"
    & skf18("7","9","3","10","3","6","1") = "9"
    & skf18("7","9","3","10","3","7","1") = "9"
    & skf18("7","9","3","10","3","8","1") = "9"
    & skf18("7","9","3","10","3","9","1") = "9"
    & skf18("7","9","3","10","3","10","1") = "9"
    & skf18("7","9","3","10","4","1","1") = "9"
    & skf18("7","9","3","10","4","2","1") = "9"
    & skf18("7","9","3","10","4","3","1") = "9"
    & skf18("7","9","3","10","4","4","1") = "9"
    & skf18("7","9","3","10","4","5","1") = "9"
    & skf18("7","9","3","10","4","6","1") = "9"
    & skf18("7","9","3","10","4","7","1") = "9"
    & skf18("7","9","3","10","4","8","1") = "9"
    & skf18("7","9","3","10","4","9","1") = "9"
    & skf18("7","9","3","10","4","10","1") = "9"
    & skf18("7","9","3","10","5","1","1") = "9"
    & skf18("7","9","3","10","5","2","1") = "9"
    & skf18("7","9","3","10","5","3","1") = "9"
    & skf18("7","9","3","10","5","4","1") = "9"
    & skf18("7","9","3","10","5","5","1") = "9"
    & skf18("7","9","3","10","5","6","1") = "9"
    & skf18("7","9","3","10","5","7","1") = "9"
    & skf18("7","9","3","10","5","8","1") = "9"
    & skf18("7","9","3","10","5","9","1") = "9"
    & skf18("7","9","3","10","5","10","1") = "9"
    & skf18("7","9","3","10","6","1","1") = "9"
    & skf18("7","9","3","10","6","2","1") = "9"
    & skf18("7","9","3","10","6","3","1") = "9"
    & skf18("7","9","3","10","6","4","1") = "9"
    & skf18("7","9","3","10","6","5","1") = "9"
    & skf18("7","9","3","10","6","6","1") = "9"
    & skf18("7","9","3","10","6","7","1") = "9"
    & skf18("7","9","3","10","6","8","1") = "9"
    & skf18("7","9","3","10","6","9","1") = "9"
    & skf18("7","9","3","10","6","10","1") = "9"
    & skf18("7","9","3","10","7","1","1") = "9"
    & skf18("7","9","3","10","7","2","1") = "9"
    & skf18("7","9","3","10","7","3","1") = "9"
    & skf18("7","9","3","10","7","4","1") = "9"
    & skf18("7","9","3","10","7","5","1") = "9"
    & skf18("7","9","3","10","7","6","1") = "9"
    & skf18("7","9","3","10","7","7","1") = "9"
    & skf18("7","9","3","10","7","8","1") = "9"
    & skf18("7","9","3","10","7","9","1") = "9"
    & skf18("7","9","3","10","7","10","1") = "9"
    & skf18("7","9","3","10","8","1","1") = "9"
    & skf18("7","9","3","10","8","2","1") = "9"
    & skf18("7","9","3","10","8","3","1") = "9"
    & skf18("7","9","3","10","8","4","1") = "9"
    & skf18("7","9","3","10","8","5","1") = "9"
    & skf18("7","9","3","10","8","6","1") = "9"
    & skf18("7","9","3","10","8","7","1") = "9"
    & skf18("7","9","3","10","8","8","1") = "9"
    & skf18("7","9","3","10","8","9","1") = "9"
    & skf18("7","9","3","10","8","10","1") = "9"
    & skf18("7","9","3","10","9","1","1") = "9"
    & skf18("7","9","3","10","9","2","1") = "9"
    & skf18("7","9","3","10","9","3","1") = "9"
    & skf18("7","9","3","10","9","4","1") = "9"
    & skf18("7","9","3","10","9","5","1") = "9"
    & skf18("7","9","3","10","9","6","1") = "9"
    & skf18("7","9","3","10","9","7","1") = "9"
    & skf18("7","9","3","10","9","8","1") = "9"
    & skf18("7","9","3","10","9","9","1") = "9"
    & skf18("7","9","3","10","9","10","1") = "9"
    & skf18("7","9","3","10","10","1","1") = "9"
    & skf18("7","9","3","10","10","2","1") = "9"
    & skf18("7","9","3","10","10","3","1") = "9"
    & skf18("7","9","3","10","10","4","1") = "9"
    & skf18("7","9","3","10","10","5","1") = "9"
    & skf18("7","9","3","10","10","6","1") = "9"
    & skf18("7","9","3","10","10","7","1") = "9"
    & skf18("7","9","3","10","10","8","1") = "9"
    & skf18("7","9","3","10","10","9","1") = "9"
    & skf18("7","9","3","10","10","10","1") = "9"
    & skf18("7","9","4","1","1","1","1") = "8"
    & skf18("7","9","4","1","1","2","1") = "8"
    & skf18("7","9","4","1","1","3","1") = "8"
    & skf18("7","9","4","1","1","4","1") = "8"
    & skf18("7","9","4","1","1","5","1") = "8"
    & skf18("7","9","4","1","1","6","1") = "8"
    & skf18("7","9","4","1","1","7","1") = "8"
    & skf18("7","9","4","1","1","8","1") = "8"
    & skf18("7","9","4","1","1","9","1") = "8"
    & skf18("7","9","4","1","1","10","1") = "9"
    & skf18("7","9","4","1","2","1","1") = "8"
    & skf18("7","9","4","1","2","2","1") = "8"
    & skf18("7","9","4","1","2","3","1") = "8"
    & skf18("7","9","4","1","2","4","1") = "8"
    & skf18("7","9","4","1","2","5","1") = "8"
    & skf18("7","9","4","1","2","6","1") = "8"
    & skf18("7","9","4","1","2","7","1") = "8"
    & skf18("7","9","4","1","2","8","1") = "8"
    & skf18("7","9","4","1","2","9","1") = "8"
    & skf18("7","9","4","1","2","10","1") = "9"
    & skf18("7","9","4","1","3","1","1") = "8"
    & skf18("7","9","4","1","3","2","1") = "8"
    & skf18("7","9","4","1","3","3","1") = "8"
    & skf18("7","9","4","1","3","4","1") = "8"
    & skf18("7","9","4","1","3","5","1") = "8"
    & skf18("7","9","4","1","3","6","1") = "8"
    & skf18("7","9","4","1","3","7","1") = "8"
    & skf18("7","9","4","1","3","8","1") = "8"
    & skf18("7","9","4","1","3","9","1") = "8"
    & skf18("7","9","4","1","3","10","1") = "9"
    & skf18("7","9","4","1","4","1","1") = "8"
    & skf18("7","9","4","1","4","2","1") = "8"
    & skf18("7","9","4","1","4","3","1") = "8"
    & skf18("7","9","4","1","4","4","1") = "8"
    & skf18("7","9","4","1","4","5","1") = "8"
    & skf18("7","9","4","1","4","6","1") = "8"
    & skf18("7","9","4","1","4","7","1") = "8"
    & skf18("7","9","4","1","4","8","1") = "8"
    & skf18("7","9","4","1","4","9","1") = "8"
    & skf18("7","9","4","1","4","10","1") = "9"
    & skf18("7","9","4","1","5","1","1") = "8"
    & skf18("7","9","4","1","5","2","1") = "8"
    & skf18("7","9","4","1","5","3","1") = "8"
    & skf18("7","9","4","1","5","4","1") = "8"
    & skf18("7","9","4","1","5","5","1") = "8"
    & skf18("7","9","4","1","5","6","1") = "8"
    & skf18("7","9","4","1","5","7","1") = "8"
    & skf18("7","9","4","1","5","8","1") = "8"
    & skf18("7","9","4","1","5","9","1") = "8"
    & skf18("7","9","4","1","5","10","1") = "9"
    & skf18("7","9","4","1","6","1","1") = "8"
    & skf18("7","9","4","1","6","2","1") = "8"
    & skf18("7","9","4","1","6","3","1") = "8"
    & skf18("7","9","4","1","6","4","1") = "8"
    & skf18("7","9","4","1","6","5","1") = "8"
    & skf18("7","9","4","1","6","6","1") = "8"
    & skf18("7","9","4","1","6","7","1") = "8"
    & skf18("7","9","4","1","6","8","1") = "8"
    & skf18("7","9","4","1","6","9","1") = "8"
    & skf18("7","9","4","1","6","10","1") = "9"
    & skf18("7","9","4","1","7","1","1") = "8"
    & skf18("7","9","4","1","7","2","1") = "8"
    & skf18("7","9","4","1","7","3","1") = "8"
    & skf18("7","9","4","1","7","4","1") = "8"
    & skf18("7","9","4","1","7","5","1") = "8"
    & skf18("7","9","4","1","7","6","1") = "8"
    & skf18("7","9","4","1","7","7","1") = "8"
    & skf18("7","9","4","1","7","8","1") = "8"
    & skf18("7","9","4","1","7","9","1") = "8"
    & skf18("7","9","4","1","7","10","1") = "9"
    & skf18("7","9","4","1","8","1","1") = "8"
    & skf18("7","9","4","1","8","2","1") = "8"
    & skf18("7","9","4","1","8","3","1") = "8"
    & skf18("7","9","4","1","8","4","1") = "8"
    & skf18("7","9","4","1","8","5","1") = "8"
    & skf18("7","9","4","1","8","6","1") = "8"
    & skf18("7","9","4","1","8","7","1") = "8"
    & skf18("7","9","4","1","8","8","1") = "8"
    & skf18("7","9","4","1","8","9","1") = "8"
    & skf18("7","9","4","1","8","10","1") = "9"
    & skf18("7","9","4","1","9","1","1") = "8"
    & skf18("7","9","4","1","9","2","1") = "8"
    & skf18("7","9","4","1","9","3","1") = "8"
    & skf18("7","9","4","1","9","4","1") = "8"
    & skf18("7","9","4","1","9","5","1") = "8"
    & skf18("7","9","4","1","9","6","1") = "8"
    & skf18("7","9","4","1","9","7","1") = "8"
    & skf18("7","9","4","1","9","8","1") = "8"
    & skf18("7","9","4","1","9","9","1") = "8"
    & skf18("7","9","4","1","9","10","1") = "9"
    & skf18("7","9","4","1","10","1","1") = "9"
    & skf18("7","9","4","1","10","2","1") = "9"
    & skf18("7","9","4","1","10","3","1") = "9"
    & skf18("7","9","4","1","10","4","1") = "9"
    & skf18("7","9","4","1","10","5","1") = "9"
    & skf18("7","9","4","1","10","6","1") = "9"
    & skf18("7","9","4","1","10","7","1") = "9"
    & skf18("7","9","4","1","10","8","1") = "9"
    & skf18("7","9","4","1","10","9","1") = "9"
    & skf18("7","9","4","1","10","10","1") = "9"
    & skf18("7","9","4","2","1","1","1") = "8"
    & skf18("7","9","4","2","1","2","1") = "8"
    & skf18("7","9","4","2","1","3","1") = "8"
    & skf18("7","9","4","2","1","4","1") = "8"
    & skf18("7","9","4","2","1","5","1") = "8"
    & skf18("7","9","4","2","1","6","1") = "8"
    & skf18("7","9","4","2","1","7","1") = "8"
    & skf18("7","9","4","2","1","8","1") = "8"
    & skf18("7","9","4","2","1","9","1") = "8"
    & skf18("7","9","4","2","1","10","1") = "9"
    & skf18("7","9","4","2","2","1","1") = "8"
    & skf18("7","9","4","2","2","2","1") = "8"
    & skf18("7","9","4","2","2","3","1") = "8"
    & skf18("7","9","4","2","2","4","1") = "8"
    & skf18("7","9","4","2","2","5","1") = "8"
    & skf18("7","9","4","2","2","6","1") = "8"
    & skf18("7","9","4","2","2","7","1") = "8"
    & skf18("7","9","4","2","2","8","1") = "8"
    & skf18("7","9","4","2","2","9","1") = "8"
    & skf18("7","9","4","2","2","10","1") = "9"
    & skf18("7","9","4","2","3","1","1") = "8"
    & skf18("7","9","4","2","3","2","1") = "8"
    & skf18("7","9","4","2","3","3","1") = "8"
    & skf18("7","9","4","2","3","4","1") = "8"
    & skf18("7","9","4","2","3","5","1") = "8"
    & skf18("7","9","4","2","3","6","1") = "8"
    & skf18("7","9","4","2","3","7","1") = "8"
    & skf18("7","9","4","2","3","8","1") = "8"
    & skf18("7","9","4","2","3","9","1") = "8"
    & skf18("7","9","4","2","3","10","1") = "9"
    & skf18("7","9","4","2","4","1","1") = "8"
    & skf18("7","9","4","2","4","2","1") = "8"
    & skf18("7","9","4","2","4","3","1") = "8"
    & skf18("7","9","4","2","4","4","1") = "8"
    & skf18("7","9","4","2","4","5","1") = "8"
    & skf18("7","9","4","2","4","6","1") = "8"
    & skf18("7","9","4","2","4","7","1") = "8"
    & skf18("7","9","4","2","4","8","1") = "8"
    & skf18("7","9","4","2","4","9","1") = "8"
    & skf18("7","9","4","2","4","10","1") = "9"
    & skf18("7","9","4","2","5","1","1") = "8"
    & skf18("7","9","4","2","5","2","1") = "8"
    & skf18("7","9","4","2","5","3","1") = "8"
    & skf18("7","9","4","2","5","4","1") = "8"
    & skf18("7","9","4","2","5","5","1") = "8"
    & skf18("7","9","4","2","5","6","1") = "8"
    & skf18("7","9","4","2","5","7","1") = "8"
    & skf18("7","9","4","2","5","8","1") = "8"
    & skf18("7","9","4","2","5","9","1") = "8"
    & skf18("7","9","4","2","5","10","1") = "9"
    & skf18("7","9","4","2","6","1","1") = "8"
    & skf18("7","9","4","2","6","2","1") = "8"
    & skf18("7","9","4","2","6","3","1") = "8"
    & skf18("7","9","4","2","6","4","1") = "8"
    & skf18("7","9","4","2","6","5","1") = "8"
    & skf18("7","9","4","2","6","6","1") = "8"
    & skf18("7","9","4","2","6","7","1") = "8"
    & skf18("7","9","4","2","6","8","1") = "8"
    & skf18("7","9","4","2","6","9","1") = "8"
    & skf18("7","9","4","2","6","10","1") = "9"
    & skf18("7","9","4","2","7","1","1") = "8"
    & skf18("7","9","4","2","7","2","1") = "8"
    & skf18("7","9","4","2","7","3","1") = "8"
    & skf18("7","9","4","2","7","4","1") = "8"
    & skf18("7","9","4","2","7","5","1") = "8"
    & skf18("7","9","4","2","7","6","1") = "8"
    & skf18("7","9","4","2","7","7","1") = "8"
    & skf18("7","9","4","2","7","8","1") = "8"
    & skf18("7","9","4","2","7","9","1") = "8"
    & skf18("7","9","4","2","7","10","1") = "9"
    & skf18("7","9","4","2","8","1","1") = "8"
    & skf18("7","9","4","2","8","2","1") = "8"
    & skf18("7","9","4","2","8","3","1") = "8"
    & skf18("7","9","4","2","8","4","1") = "8"
    & skf18("7","9","4","2","8","5","1") = "8"
    & skf18("7","9","4","2","8","6","1") = "8"
    & skf18("7","9","4","2","8","7","1") = "8"
    & skf18("7","9","4","2","8","8","1") = "8"
    & skf18("7","9","4","2","8","9","1") = "8"
    & skf18("7","9","4","2","8","10","1") = "9"
    & skf18("7","9","4","2","9","1","1") = "8"
    & skf18("7","9","4","2","9","2","1") = "8"
    & skf18("7","9","4","2","9","3","1") = "8"
    & skf18("7","9","4","2","9","4","1") = "8"
    & skf18("7","9","4","2","9","5","1") = "8"
    & skf18("7","9","4","2","9","6","1") = "8"
    & skf18("7","9","4","2","9","7","1") = "8"
    & skf18("7","9","4","2","9","8","1") = "8"
    & skf18("7","9","4","2","9","9","1") = "8"
    & skf18("7","9","4","2","9","10","1") = "9"
    & skf18("7","9","4","2","10","1","1") = "9"
    & skf18("7","9","4","2","10","2","1") = "9"
    & skf18("7","9","4","2","10","3","1") = "9"
    & skf18("7","9","4","2","10","4","1") = "9"
    & skf18("7","9","4","2","10","5","1") = "9"
    & skf18("7","9","4","2","10","6","1") = "9"
    & skf18("7","9","4","2","10","7","1") = "9"
    & skf18("7","9","4","2","10","8","1") = "9"
    & skf18("7","9","4","2","10","9","1") = "9"
    & skf18("7","9","4","2","10","10","1") = "9"
    & skf18("7","9","4","3","1","1","1") = "8"
    & skf18("7","9","4","3","1","2","1") = "8"
    & skf18("7","9","4","3","1","3","1") = "8"
    & skf18("7","9","4","3","1","4","1") = "8"
    & skf18("7","9","4","3","1","5","1") = "8"
    & skf18("7","9","4","3","1","6","1") = "8"
    & skf18("7","9","4","3","1","7","1") = "8"
    & skf18("7","9","4","3","1","8","1") = "8"
    & skf18("7","9","4","3","1","9","1") = "8"
    & skf18("7","9","4","3","1","10","1") = "9"
    & skf18("7","9","4","3","2","1","1") = "8"
    & skf18("7","9","4","3","2","2","1") = "8"
    & skf18("7","9","4","3","2","3","1") = "8"
    & skf18("7","9","4","3","2","4","1") = "8"
    & skf18("7","9","4","3","2","5","1") = "8"
    & skf18("7","9","4","3","2","6","1") = "8"
    & skf18("7","9","4","3","2","7","1") = "8"
    & skf18("7","9","4","3","2","8","1") = "8"
    & skf18("7","9","4","3","2","9","1") = "8"
    & skf18("7","9","4","3","2","10","1") = "9"
    & skf18("7","9","4","3","3","1","1") = "8"
    & skf18("7","9","4","3","3","2","1") = "8"
    & skf18("7","9","4","3","3","3","1") = "8"
    & skf18("7","9","4","3","3","4","1") = "8"
    & skf18("7","9","4","3","3","5","1") = "8"
    & skf18("7","9","4","3","3","6","1") = "8"
    & skf18("7","9","4","3","3","7","1") = "8"
    & skf18("7","9","4","3","3","8","1") = "8"
    & skf18("7","9","4","3","3","9","1") = "8"
    & skf18("7","9","4","3","3","10","1") = "9"
    & skf18("7","9","4","3","4","1","1") = "8"
    & skf18("7","9","4","3","4","2","1") = "8"
    & skf18("7","9","4","3","4","3","1") = "8"
    & skf18("7","9","4","3","4","4","1") = "8"
    & skf18("7","9","4","3","4","5","1") = "8"
    & skf18("7","9","4","3","4","6","1") = "8"
    & skf18("7","9","4","3","4","7","1") = "8"
    & skf18("7","9","4","3","4","8","1") = "8"
    & skf18("7","9","4","3","4","9","1") = "8"
    & skf18("7","9","4","3","4","10","1") = "9"
    & skf18("7","9","4","3","5","1","1") = "8"
    & skf18("7","9","4","3","5","2","1") = "8"
    & skf18("7","9","4","3","5","3","1") = "8"
    & skf18("7","9","4","3","5","4","1") = "8"
    & skf18("7","9","4","3","5","5","1") = "8"
    & skf18("7","9","4","3","5","6","1") = "8"
    & skf18("7","9","4","3","5","7","1") = "8"
    & skf18("7","9","4","3","5","8","1") = "8"
    & skf18("7","9","4","3","5","9","1") = "8"
    & skf18("7","9","4","3","5","10","1") = "9"
    & skf18("7","9","4","3","6","1","1") = "8"
    & skf18("7","9","4","3","6","2","1") = "8"
    & skf18("7","9","4","3","6","3","1") = "8"
    & skf18("7","9","4","3","6","4","1") = "8"
    & skf18("7","9","4","3","6","5","1") = "8"
    & skf18("7","9","4","3","6","6","1") = "8"
    & skf18("7","9","4","3","6","7","1") = "8"
    & skf18("7","9","4","3","6","8","1") = "8"
    & skf18("7","9","4","3","6","9","1") = "8"
    & skf18("7","9","4","3","6","10","1") = "9"
    & skf18("7","9","4","3","7","1","1") = "8"
    & skf18("7","9","4","3","7","2","1") = "8"
    & skf18("7","9","4","3","7","3","1") = "8"
    & skf18("7","9","4","3","7","4","1") = "8"
    & skf18("7","9","4","3","7","5","1") = "8"
    & skf18("7","9","4","3","7","6","1") = "8"
    & skf18("7","9","4","3","7","7","1") = "8"
    & skf18("7","9","4","3","7","8","1") = "8"
    & skf18("7","9","4","3","7","9","1") = "8"
    & skf18("7","9","4","3","7","10","1") = "9"
    & skf18("7","9","4","3","8","1","1") = "8"
    & skf18("7","9","4","3","8","2","1") = "8"
    & skf18("7","9","4","3","8","3","1") = "8"
    & skf18("7","9","4","3","8","4","1") = "8"
    & skf18("7","9","4","3","8","5","1") = "8"
    & skf18("7","9","4","3","8","6","1") = "8"
    & skf18("7","9","4","3","8","7","1") = "8"
    & skf18("7","9","4","3","8","8","1") = "8"
    & skf18("7","9","4","3","8","9","1") = "8"
    & skf18("7","9","4","3","8","10","1") = "9"
    & skf18("7","9","4","3","9","1","1") = "8"
    & skf18("7","9","4","3","9","2","1") = "8"
    & skf18("7","9","4","3","9","3","1") = "8"
    & skf18("7","9","4","3","9","4","1") = "8"
    & skf18("7","9","4","3","9","5","1") = "8"
    & skf18("7","9","4","3","9","6","1") = "8"
    & skf18("7","9","4","3","9","7","1") = "8"
    & skf18("7","9","4","3","9","8","1") = "8"
    & skf18("7","9","4","3","9","9","1") = "8"
    & skf18("7","9","4","3","9","10","1") = "9"
    & skf18("7","9","4","3","10","1","1") = "9"
    & skf18("7","9","4","3","10","2","1") = "9"
    & skf18("7","9","4","3","10","3","1") = "9"
    & skf18("7","9","4","3","10","4","1") = "9"
    & skf18("7","9","4","3","10","5","1") = "9"
    & skf18("7","9","4","3","10","6","1") = "9"
    & skf18("7","9","4","3","10","7","1") = "9"
    & skf18("7","9","4","3","10","8","1") = "9"
    & skf18("7","9","4","3","10","9","1") = "9"
    & skf18("7","9","4","3","10","10","1") = "9"
    & skf18("7","9","4","4","1","1","1") = "8"
    & skf18("7","9","4","4","1","2","1") = "8"
    & skf18("7","9","4","4","1","3","1") = "8"
    & skf18("7","9","4","4","1","4","1") = "8"
    & skf18("7","9","4","4","1","5","1") = "8"
    & skf18("7","9","4","4","1","6","1") = "8"
    & skf18("7","9","4","4","1","7","1") = "8"
    & skf18("7","9","4","4","1","8","1") = "8"
    & skf18("7","9","4","4","1","9","1") = "8"
    & skf18("7","9","4","4","1","10","1") = "9"
    & skf18("7","9","4","4","2","1","1") = "8"
    & skf18("7","9","4","4","2","2","1") = "8"
    & skf18("7","9","4","4","2","3","1") = "8"
    & skf18("7","9","4","4","2","4","1") = "8"
    & skf18("7","9","4","4","2","5","1") = "8"
    & skf18("7","9","4","4","2","6","1") = "8"
    & skf18("7","9","4","4","2","7","1") = "8"
    & skf18("7","9","4","4","2","8","1") = "8"
    & skf18("7","9","4","4","2","9","1") = "8"
    & skf18("7","9","4","4","2","10","1") = "9"
    & skf18("7","9","4","4","3","1","1") = "8"
    & skf18("7","9","4","4","3","2","1") = "8"
    & skf18("7","9","4","4","3","3","1") = "8"
    & skf18("7","9","4","4","3","4","1") = "8"
    & skf18("7","9","4","4","3","5","1") = "8"
    & skf18("7","9","4","4","3","6","1") = "8"
    & skf18("7","9","4","4","3","7","1") = "8"
    & skf18("7","9","4","4","3","8","1") = "8"
    & skf18("7","9","4","4","3","9","1") = "8"
    & skf18("7","9","4","4","3","10","1") = "9"
    & skf18("7","9","4","4","4","1","1") = "8"
    & skf18("7","9","4","4","4","2","1") = "8"
    & skf18("7","9","4","4","4","3","1") = "8"
    & skf18("7","9","4","4","4","4","1") = "8"
    & skf18("7","9","4","4","4","5","1") = "8"
    & skf18("7","9","4","4","4","6","1") = "8"
    & skf18("7","9","4","4","4","7","1") = "8"
    & skf18("7","9","4","4","4","8","1") = "8"
    & skf18("7","9","4","4","4","9","1") = "8"
    & skf18("7","9","4","4","4","10","1") = "9"
    & skf18("7","9","4","4","5","1","1") = "8"
    & skf18("7","9","4","4","5","2","1") = "8"
    & skf18("7","9","4","4","5","3","1") = "8"
    & skf18("7","9","4","4","5","4","1") = "8"
    & skf18("7","9","4","4","5","5","1") = "8"
    & skf18("7","9","4","4","5","6","1") = "8"
    & skf18("7","9","4","4","5","7","1") = "8"
    & skf18("7","9","4","4","5","8","1") = "8"
    & skf18("7","9","4","4","5","9","1") = "8"
    & skf18("7","9","4","4","5","10","1") = "9"
    & skf18("7","9","4","4","6","1","1") = "8"
    & skf18("7","9","4","4","6","2","1") = "8"
    & skf18("7","9","4","4","6","3","1") = "8"
    & skf18("7","9","4","4","6","4","1") = "8"
    & skf18("7","9","4","4","6","5","1") = "8"
    & skf18("7","9","4","4","6","6","1") = "8"
    & skf18("7","9","4","4","6","7","1") = "8"
    & skf18("7","9","4","4","6","8","1") = "8"
    & skf18("7","9","4","4","6","9","1") = "8"
    & skf18("7","9","4","4","6","10","1") = "9"
    & skf18("7","9","4","4","7","1","1") = "8"
    & skf18("7","9","4","4","7","2","1") = "8"
    & skf18("7","9","4","4","7","3","1") = "8"
    & skf18("7","9","4","4","7","4","1") = "8"
    & skf18("7","9","4","4","7","5","1") = "8"
    & skf18("7","9","4","4","7","6","1") = "8"
    & skf18("7","9","4","4","7","7","1") = "8"
    & skf18("7","9","4","4","7","8","1") = "8"
    & skf18("7","9","4","4","7","9","1") = "8"
    & skf18("7","9","4","4","7","10","1") = "9"
    & skf18("7","9","4","4","8","1","1") = "8"
    & skf18("7","9","4","4","8","2","1") = "8"
    & skf18("7","9","4","4","8","3","1") = "8"
    & skf18("7","9","4","4","8","4","1") = "8"
    & skf18("7","9","4","4","8","5","1") = "8"
    & skf18("7","9","4","4","8","6","1") = "8"
    & skf18("7","9","4","4","8","7","1") = "8"
    & skf18("7","9","4","4","8","8","1") = "8"
    & skf18("7","9","4","4","8","9","1") = "8"
    & skf18("7","9","4","4","8","10","1") = "9"
    & skf18("7","9","4","4","9","1","1") = "8"
    & skf18("7","9","4","4","9","2","1") = "8"
    & skf18("7","9","4","4","9","3","1") = "8"
    & skf18("7","9","4","4","9","4","1") = "8"
    & skf18("7","9","4","4","9","5","1") = "8"
    & skf18("7","9","4","4","9","6","1") = "8"
    & skf18("7","9","4","4","9","7","1") = "8"
    & skf18("7","9","4","4","9","8","1") = "8"
    & skf18("7","9","4","4","9","9","1") = "8"
    & skf18("7","9","4","4","9","10","1") = "9"
    & skf18("7","9","4","4","10","1","1") = "9"
    & skf18("7","9","4","4","10","2","1") = "9"
    & skf18("7","9","4","4","10","3","1") = "9"
    & skf18("7","9","4","4","10","4","1") = "9"
    & skf18("7","9","4","4","10","5","1") = "9"
    & skf18("7","9","4","4","10","6","1") = "9"
    & skf18("7","9","4","4","10","7","1") = "9"
    & skf18("7","9","4","4","10","8","1") = "9"
    & skf18("7","9","4","4","10","9","1") = "9"
    & skf18("7","9","4","4","10","10","1") = "9"
    & skf18("7","9","4","5","1","1","1") = "8"
    & skf18("7","9","4","5","1","2","1") = "8"
    & skf18("7","9","4","5","1","3","1") = "8"
    & skf18("7","9","4","5","1","4","1") = "8"
    & skf18("7","9","4","5","1","5","1") = "8"
    & skf18("7","9","4","5","1","6","1") = "8"
    & skf18("7","9","4","5","1","7","1") = "8"
    & skf18("7","9","4","5","1","8","1") = "8"
    & skf18("7","9","4","5","1","9","1") = "8"
    & skf18("7","9","4","5","1","10","1") = "9"
    & skf18("7","9","4","5","2","1","1") = "8"
    & skf18("7","9","4","5","2","2","1") = "8"
    & skf18("7","9","4","5","2","3","1") = "8"
    & skf18("7","9","4","5","2","4","1") = "8"
    & skf18("7","9","4","5","2","5","1") = "8"
    & skf18("7","9","4","5","2","6","1") = "8"
    & skf18("7","9","4","5","2","7","1") = "8"
    & skf18("7","9","4","5","2","8","1") = "8"
    & skf18("7","9","4","5","2","9","1") = "8"
    & skf18("7","9","4","5","2","10","1") = "9"
    & skf18("7","9","4","5","3","1","1") = "8"
    & skf18("7","9","4","5","3","2","1") = "8"
    & skf18("7","9","4","5","3","3","1") = "8"
    & skf18("7","9","4","5","3","4","1") = "8"
    & skf18("7","9","4","5","3","5","1") = "8"
    & skf18("7","9","4","5","3","6","1") = "8"
    & skf18("7","9","4","5","3","7","1") = "8"
    & skf18("7","9","4","5","3","8","1") = "8"
    & skf18("7","9","4","5","3","9","1") = "8"
    & skf18("7","9","4","5","3","10","1") = "9"
    & skf18("7","9","4","5","4","1","1") = "8"
    & skf18("7","9","4","5","4","2","1") = "8"
    & skf18("7","9","4","5","4","3","1") = "8"
    & skf18("7","9","4","5","4","4","1") = "8"
    & skf18("7","9","4","5","4","5","1") = "8"
    & skf18("7","9","4","5","4","6","1") = "8"
    & skf18("7","9","4","5","4","7","1") = "8"
    & skf18("7","9","4","5","4","8","1") = "8"
    & skf18("7","9","4","5","4","9","1") = "8"
    & skf18("7","9","4","5","4","10","1") = "9"
    & skf18("7","9","4","5","5","1","1") = "8"
    & skf18("7","9","4","5","5","2","1") = "8"
    & skf18("7","9","4","5","5","3","1") = "8"
    & skf18("7","9","4","5","5","4","1") = "8"
    & skf18("7","9","4","5","5","5","1") = "8"
    & skf18("7","9","4","5","5","6","1") = "8"
    & skf18("7","9","4","5","5","7","1") = "8"
    & skf18("7","9","4","5","5","8","1") = "8"
    & skf18("7","9","4","5","5","9","1") = "8"
    & skf18("7","9","4","5","5","10","1") = "9"
    & skf18("7","9","4","5","6","1","1") = "8"
    & skf18("7","9","4","5","6","2","1") = "8"
    & skf18("7","9","4","5","6","3","1") = "8"
    & skf18("7","9","4","5","6","4","1") = "8"
    & skf18("7","9","4","5","6","5","1") = "8"
    & skf18("7","9","4","5","6","6","1") = "8"
    & skf18("7","9","4","5","6","7","1") = "8"
    & skf18("7","9","4","5","6","8","1") = "8"
    & skf18("7","9","4","5","6","9","1") = "8"
    & skf18("7","9","4","5","6","10","1") = "9"
    & skf18("7","9","4","5","7","1","1") = "8"
    & skf18("7","9","4","5","7","2","1") = "8"
    & skf18("7","9","4","5","7","3","1") = "8"
    & skf18("7","9","4","5","7","4","1") = "8"
    & skf18("7","9","4","5","7","5","1") = "8"
    & skf18("7","9","4","5","7","6","1") = "8"
    & skf18("7","9","4","5","7","7","1") = "8"
    & skf18("7","9","4","5","7","8","1") = "8"
    & skf18("7","9","4","5","7","9","1") = "8"
    & skf18("7","9","4","5","7","10","1") = "9"
    & skf18("7","9","4","5","8","1","1") = "8"
    & skf18("7","9","4","5","8","2","1") = "8"
    & skf18("7","9","4","5","8","3","1") = "8"
    & skf18("7","9","4","5","8","4","1") = "8"
    & skf18("7","9","4","5","8","5","1") = "8"
    & skf18("7","9","4","5","8","6","1") = "8"
    & skf18("7","9","4","5","8","7","1") = "8"
    & skf18("7","9","4","5","8","8","1") = "8"
    & skf18("7","9","4","5","8","9","1") = "8"
    & skf18("7","9","4","5","8","10","1") = "9"
    & skf18("7","9","4","5","9","1","1") = "8"
    & skf18("7","9","4","5","9","2","1") = "8"
    & skf18("7","9","4","5","9","3","1") = "8"
    & skf18("7","9","4","5","9","4","1") = "8"
    & skf18("7","9","4","5","9","5","1") = "8"
    & skf18("7","9","4","5","9","6","1") = "8"
    & skf18("7","9","4","5","9","7","1") = "8"
    & skf18("7","9","4","5","9","8","1") = "8"
    & skf18("7","9","4","5","9","9","1") = "8"
    & skf18("7","9","4","5","9","10","1") = "9"
    & skf18("7","9","4","5","10","1","1") = "9"
    & skf18("7","9","4","5","10","2","1") = "9"
    & skf18("7","9","4","5","10","3","1") = "9"
    & skf18("7","9","4","5","10","4","1") = "9"
    & skf18("7","9","4","5","10","5","1") = "9"
    & skf18("7","9","4","5","10","6","1") = "9"
    & skf18("7","9","4","5","10","7","1") = "9"
    & skf18("7","9","4","5","10","8","1") = "9"
    & skf18("7","9","4","5","10","9","1") = "9"
    & skf18("7","9","4","5","10","10","1") = "9"
    & skf18("7","9","4","6","1","1","1") = "8"
    & skf18("7","9","4","6","1","2","1") = "8"
    & skf18("7","9","4","6","1","3","1") = "8"
    & skf18("7","9","4","6","1","4","1") = "8"
    & skf18("7","9","4","6","1","5","1") = "8"
    & skf18("7","9","4","6","1","6","1") = "8"
    & skf18("7","9","4","6","1","7","1") = "8"
    & skf18("7","9","4","6","1","8","1") = "8"
    & skf18("7","9","4","6","1","9","1") = "8"
    & skf18("7","9","4","6","1","10","1") = "9"
    & skf18("7","9","4","6","2","1","1") = "8"
    & skf18("7","9","4","6","2","2","1") = "8"
    & skf18("7","9","4","6","2","3","1") = "8"
    & skf18("7","9","4","6","2","4","1") = "8"
    & skf18("7","9","4","6","2","5","1") = "8"
    & skf18("7","9","4","6","2","6","1") = "8"
    & skf18("7","9","4","6","2","7","1") = "8"
    & skf18("7","9","4","6","2","8","1") = "8"
    & skf18("7","9","4","6","2","9","1") = "8"
    & skf18("7","9","4","6","2","10","1") = "9"
    & skf18("7","9","4","6","3","1","1") = "8"
    & skf18("7","9","4","6","3","2","1") = "8"
    & skf18("7","9","4","6","3","3","1") = "8"
    & skf18("7","9","4","6","3","4","1") = "8"
    & skf18("7","9","4","6","3","5","1") = "8"
    & skf18("7","9","4","6","3","6","1") = "8"
    & skf18("7","9","4","6","3","7","1") = "8"
    & skf18("7","9","4","6","3","8","1") = "8"
    & skf18("7","9","4","6","3","9","1") = "8"
    & skf18("7","9","4","6","3","10","1") = "9"
    & skf18("7","9","4","6","4","1","1") = "8"
    & skf18("7","9","4","6","4","2","1") = "8"
    & skf18("7","9","4","6","4","3","1") = "8"
    & skf18("7","9","4","6","4","4","1") = "8"
    & skf18("7","9","4","6","4","5","1") = "8"
    & skf18("7","9","4","6","4","6","1") = "8"
    & skf18("7","9","4","6","4","7","1") = "8"
    & skf18("7","9","4","6","4","8","1") = "8"
    & skf18("7","9","4","6","4","9","1") = "8"
    & skf18("7","9","4","6","4","10","1") = "9"
    & skf18("7","9","4","6","5","1","1") = "8"
    & skf18("7","9","4","6","5","2","1") = "8"
    & skf18("7","9","4","6","5","3","1") = "8"
    & skf18("7","9","4","6","5","4","1") = "8"
    & skf18("7","9","4","6","5","5","1") = "8"
    & skf18("7","9","4","6","5","6","1") = "8"
    & skf18("7","9","4","6","5","7","1") = "8"
    & skf18("7","9","4","6","5","8","1") = "8"
    & skf18("7","9","4","6","5","9","1") = "8"
    & skf18("7","9","4","6","5","10","1") = "9"
    & skf18("7","9","4","6","6","1","1") = "8"
    & skf18("7","9","4","6","6","2","1") = "8"
    & skf18("7","9","4","6","6","3","1") = "8"
    & skf18("7","9","4","6","6","4","1") = "8"
    & skf18("7","9","4","6","6","5","1") = "8"
    & skf18("7","9","4","6","6","6","1") = "8"
    & skf18("7","9","4","6","6","7","1") = "8"
    & skf18("7","9","4","6","6","8","1") = "8"
    & skf18("7","9","4","6","6","9","1") = "8"
    & skf18("7","9","4","6","6","10","1") = "9"
    & skf18("7","9","4","6","7","1","1") = "8"
    & skf18("7","9","4","6","7","2","1") = "8"
    & skf18("7","9","4","6","7","3","1") = "8"
    & skf18("7","9","4","6","7","4","1") = "8"
    & skf18("7","9","4","6","7","5","1") = "8"
    & skf18("7","9","4","6","7","6","1") = "8"
    & skf18("7","9","4","6","7","7","1") = "8"
    & skf18("7","9","4","6","7","8","1") = "8"
    & skf18("7","9","4","6","7","9","1") = "8"
    & skf18("7","9","4","6","7","10","1") = "9"
    & skf18("7","9","4","6","8","1","1") = "8"
    & skf18("7","9","4","6","8","2","1") = "8"
    & skf18("7","9","4","6","8","3","1") = "8"
    & skf18("7","9","4","6","8","4","1") = "8"
    & skf18("7","9","4","6","8","5","1") = "8"
    & skf18("7","9","4","6","8","6","1") = "8"
    & skf18("7","9","4","6","8","7","1") = "8"
    & skf18("7","9","4","6","8","8","1") = "8"
    & skf18("7","9","4","6","8","9","1") = "8"
    & skf18("7","9","4","6","8","10","1") = "9"
    & skf18("7","9","4","6","9","1","1") = "8"
    & skf18("7","9","4","6","9","2","1") = "8"
    & skf18("7","9","4","6","9","3","1") = "8"
    & skf18("7","9","4","6","9","4","1") = "8"
    & skf18("7","9","4","6","9","5","1") = "8"
    & skf18("7","9","4","6","9","6","1") = "8"
    & skf18("7","9","4","6","9","7","1") = "8"
    & skf18("7","9","4","6","9","8","1") = "8"
    & skf18("7","9","4","6","9","9","1") = "8"
    & skf18("7","9","4","6","9","10","1") = "9"
    & skf18("7","9","4","6","10","1","1") = "9"
    & skf18("7","9","4","6","10","2","1") = "9"
    & skf18("7","9","4","6","10","3","1") = "9"
    & skf18("7","9","4","6","10","4","1") = "9"
    & skf18("7","9","4","6","10","5","1") = "9"
    & skf18("7","9","4","6","10","6","1") = "9"
    & skf18("7","9","4","6","10","7","1") = "9"
    & skf18("7","9","4","6","10","8","1") = "9"
    & skf18("7","9","4","6","10","9","1") = "9"
    & skf18("7","9","4","6","10","10","1") = "9"
    & skf18("7","9","4","7","1","1","1") = "8"
    & skf18("7","9","4","7","1","2","1") = "8"
    & skf18("7","9","4","7","1","3","1") = "8"
    & skf18("7","9","4","7","1","4","1") = "8"
    & skf18("7","9","4","7","1","5","1") = "8"
    & skf18("7","9","4","7","1","6","1") = "8"
    & skf18("7","9","4","7","1","7","1") = "8"
    & skf18("7","9","4","7","1","8","1") = "8"
    & skf18("7","9","4","7","1","9","1") = "8"
    & skf18("7","9","4","7","1","10","1") = "9"
    & skf18("7","9","4","7","2","1","1") = "8"
    & skf18("7","9","4","7","2","2","1") = "8"
    & skf18("7","9","4","7","2","3","1") = "8"
    & skf18("7","9","4","7","2","4","1") = "8"
    & skf18("7","9","4","7","2","5","1") = "8"
    & skf18("7","9","4","7","2","6","1") = "8"
    & skf18("7","9","4","7","2","7","1") = "8"
    & skf18("7","9","4","7","2","8","1") = "8"
    & skf18("7","9","4","7","2","9","1") = "8"
    & skf18("7","9","4","7","2","10","1") = "9"
    & skf18("7","9","4","7","3","1","1") = "8"
    & skf18("7","9","4","7","3","2","1") = "8"
    & skf18("7","9","4","7","3","3","1") = "8"
    & skf18("7","9","4","7","3","4","1") = "8"
    & skf18("7","9","4","7","3","5","1") = "8"
    & skf18("7","9","4","7","3","6","1") = "8"
    & skf18("7","9","4","7","3","7","1") = "8"
    & skf18("7","9","4","7","3","8","1") = "8"
    & skf18("7","9","4","7","3","9","1") = "8"
    & skf18("7","9","4","7","3","10","1") = "9"
    & skf18("7","9","4","7","4","1","1") = "8"
    & skf18("7","9","4","7","4","2","1") = "8"
    & skf18("7","9","4","7","4","3","1") = "8"
    & skf18("7","9","4","7","4","4","1") = "8"
    & skf18("7","9","4","7","4","5","1") = "8"
    & skf18("7","9","4","7","4","6","1") = "8"
    & skf18("7","9","4","7","4","7","1") = "8"
    & skf18("7","9","4","7","4","8","1") = "8"
    & skf18("7","9","4","7","4","9","1") = "8"
    & skf18("7","9","4","7","4","10","1") = "9"
    & skf18("7","9","4","7","5","1","1") = "8"
    & skf18("7","9","4","7","5","2","1") = "8"
    & skf18("7","9","4","7","5","3","1") = "8"
    & skf18("7","9","4","7","5","4","1") = "8"
    & skf18("7","9","4","7","5","5","1") = "8"
    & skf18("7","9","4","7","5","6","1") = "8"
    & skf18("7","9","4","7","5","7","1") = "8"
    & skf18("7","9","4","7","5","8","1") = "8"
    & skf18("7","9","4","7","5","9","1") = "8"
    & skf18("7","9","4","7","5","10","1") = "9"
    & skf18("7","9","4","7","6","1","1") = "8"
    & skf18("7","9","4","7","6","2","1") = "8"
    & skf18("7","9","4","7","6","3","1") = "8"
    & skf18("7","9","4","7","6","4","1") = "8"
    & skf18("7","9","4","7","6","5","1") = "8"
    & skf18("7","9","4","7","6","6","1") = "8"
    & skf18("7","9","4","7","6","7","1") = "8"
    & skf18("7","9","4","7","6","8","1") = "8"
    & skf18("7","9","4","7","6","9","1") = "8"
    & skf18("7","9","4","7","6","10","1") = "9"
    & skf18("7","9","4","7","7","1","1") = "8"
    & skf18("7","9","4","7","7","2","1") = "8"
    & skf18("7","9","4","7","7","3","1") = "8"
    & skf18("7","9","4","7","7","4","1") = "8"
    & skf18("7","9","4","7","7","5","1") = "8"
    & skf18("7","9","4","7","7","6","1") = "8"
    & skf18("7","9","4","7","7","7","1") = "8"
    & skf18("7","9","4","7","7","8","1") = "8"
    & skf18("7","9","4","7","7","9","1") = "8"
    & skf18("7","9","4","7","7","10","1") = "9"
    & skf18("7","9","4","7","8","1","1") = "8"
    & skf18("7","9","4","7","8","2","1") = "8"
    & skf18("7","9","4","7","8","3","1") = "8"
    & skf18("7","9","4","7","8","4","1") = "8"
    & skf18("7","9","4","7","8","5","1") = "8"
    & skf18("7","9","4","7","8","6","1") = "8"
    & skf18("7","9","4","7","8","7","1") = "8"
    & skf18("7","9","4","7","8","8","1") = "8"
    & skf18("7","9","4","7","8","9","1") = "8"
    & skf18("7","9","4","7","8","10","1") = "9"
    & skf18("7","9","4","7","9","1","1") = "8"
    & skf18("7","9","4","7","9","2","1") = "8"
    & skf18("7","9","4","7","9","3","1") = "8"
    & skf18("7","9","4","7","9","4","1") = "8"
    & skf18("7","9","4","7","9","5","1") = "8"
    & skf18("7","9","4","7","9","6","1") = "8"
    & skf18("7","9","4","7","9","7","1") = "8"
    & skf18("7","9","4","7","9","8","1") = "8"
    & skf18("7","9","4","7","9","9","1") = "8"
    & skf18("7","9","4","7","9","10","1") = "9"
    & skf18("7","9","4","7","10","1","1") = "9"
    & skf18("7","9","4","7","10","2","1") = "9"
    & skf18("7","9","4","7","10","3","1") = "9"
    & skf18("7","9","4","7","10","4","1") = "9"
    & skf18("7","9","4","7","10","5","1") = "9"
    & skf18("7","9","4","7","10","6","1") = "9"
    & skf18("7","9","4","7","10","7","1") = "9"
    & skf18("7","9","4","7","10","8","1") = "9"
    & skf18("7","9","4","7","10","9","1") = "9"
    & skf18("7","9","4","7","10","10","1") = "9"
    & skf18("7","9","4","8","1","1","1") = "8"
    & skf18("7","9","4","8","1","2","1") = "8"
    & skf18("7","9","4","8","1","3","1") = "8"
    & skf18("7","9","4","8","1","4","1") = "8"
    & skf18("7","9","4","8","1","5","1") = "8"
    & skf18("7","9","4","8","1","6","1") = "8"
    & skf18("7","9","4","8","1","7","1") = "8"
    & skf18("7","9","4","8","1","8","1") = "8"
    & skf18("7","9","4","8","1","9","1") = "8"
    & skf18("7","9","4","8","1","10","1") = "9"
    & skf18("7","9","4","8","2","1","1") = "8"
    & skf18("7","9","4","8","2","2","1") = "8"
    & skf18("7","9","4","8","2","3","1") = "8"
    & skf18("7","9","4","8","2","4","1") = "8"
    & skf18("7","9","4","8","2","5","1") = "8"
    & skf18("7","9","4","8","2","6","1") = "8"
    & skf18("7","9","4","8","2","7","1") = "8"
    & skf18("7","9","4","8","2","8","1") = "8"
    & skf18("7","9","4","8","2","9","1") = "8"
    & skf18("7","9","4","8","2","10","1") = "9"
    & skf18("7","9","4","8","3","1","1") = "8"
    & skf18("7","9","4","8","3","2","1") = "8"
    & skf18("7","9","4","8","3","3","1") = "8"
    & skf18("7","9","4","8","3","4","1") = "8"
    & skf18("7","9","4","8","3","5","1") = "8"
    & skf18("7","9","4","8","3","6","1") = "8"
    & skf18("7","9","4","8","3","7","1") = "8"
    & skf18("7","9","4","8","3","8","1") = "8"
    & skf18("7","9","4","8","3","9","1") = "8"
    & skf18("7","9","4","8","3","10","1") = "9"
    & skf18("7","9","4","8","4","1","1") = "8"
    & skf18("7","9","4","8","4","2","1") = "8"
    & skf18("7","9","4","8","4","3","1") = "8"
    & skf18("7","9","4","8","4","4","1") = "8"
    & skf18("7","9","4","8","4","5","1") = "8"
    & skf18("7","9","4","8","4","6","1") = "8"
    & skf18("7","9","4","8","4","7","1") = "8"
    & skf18("7","9","4","8","4","8","1") = "8"
    & skf18("7","9","4","8","4","9","1") = "8"
    & skf18("7","9","4","8","4","10","1") = "9"
    & skf18("7","9","4","8","5","1","1") = "8"
    & skf18("7","9","4","8","5","2","1") = "8"
    & skf18("7","9","4","8","5","3","1") = "8"
    & skf18("7","9","4","8","5","4","1") = "8"
    & skf18("7","9","4","8","5","5","1") = "8"
    & skf18("7","9","4","8","5","6","1") = "8"
    & skf18("7","9","4","8","5","7","1") = "8"
    & skf18("7","9","4","8","5","8","1") = "8"
    & skf18("7","9","4","8","5","9","1") = "8"
    & skf18("7","9","4","8","5","10","1") = "9"
    & skf18("7","9","4","8","6","1","1") = "8"
    & skf18("7","9","4","8","6","2","1") = "8"
    & skf18("7","9","4","8","6","3","1") = "8"
    & skf18("7","9","4","8","6","4","1") = "8"
    & skf18("7","9","4","8","6","5","1") = "8"
    & skf18("7","9","4","8","6","6","1") = "8"
    & skf18("7","9","4","8","6","7","1") = "8"
    & skf18("7","9","4","8","6","8","1") = "8"
    & skf18("7","9","4","8","6","9","1") = "8"
    & skf18("7","9","4","8","6","10","1") = "9"
    & skf18("7","9","4","8","7","1","1") = "8"
    & skf18("7","9","4","8","7","2","1") = "8"
    & skf18("7","9","4","8","7","3","1") = "8"
    & skf18("7","9","4","8","7","4","1") = "8"
    & skf18("7","9","4","8","7","5","1") = "8"
    & skf18("7","9","4","8","7","6","1") = "8"
    & skf18("7","9","4","8","7","7","1") = "8"
    & skf18("7","9","4","8","7","8","1") = "8"
    & skf18("7","9","4","8","7","9","1") = "8"
    & skf18("7","9","4","8","7","10","1") = "9"
    & skf18("7","9","4","8","8","1","1") = "8"
    & skf18("7","9","4","8","8","2","1") = "8"
    & skf18("7","9","4","8","8","3","1") = "8"
    & skf18("7","9","4","8","8","4","1") = "8"
    & skf18("7","9","4","8","8","5","1") = "8"
    & skf18("7","9","4","8","8","6","1") = "8"
    & skf18("7","9","4","8","8","7","1") = "8"
    & skf18("7","9","4","8","8","8","1") = "8"
    & skf18("7","9","4","8","8","9","1") = "8"
    & skf18("7","9","4","8","8","10","1") = "9"
    & skf18("7","9","4","8","9","1","1") = "8"
    & skf18("7","9","4","8","9","2","1") = "8"
    & skf18("7","9","4","8","9","3","1") = "8"
    & skf18("7","9","4","8","9","4","1") = "8"
    & skf18("7","9","4","8","9","5","1") = "8"
    & skf18("7","9","4","8","9","6","1") = "8"
    & skf18("7","9","4","8","9","7","1") = "8"
    & skf18("7","9","4","8","9","8","1") = "8"
    & skf18("7","9","4","8","9","9","1") = "8"
    & skf18("7","9","4","8","9","10","1") = "9"
    & skf18("7","9","4","8","10","1","1") = "9"
    & skf18("7","9","4","8","10","2","1") = "9"
    & skf18("7","9","4","8","10","3","1") = "9"
    & skf18("7","9","4","8","10","4","1") = "9"
    & skf18("7","9","4","8","10","5","1") = "9"
    & skf18("7","9","4","8","10","6","1") = "9"
    & skf18("7","9","4","8","10","7","1") = "9"
    & skf18("7","9","4","8","10","8","1") = "9"
    & skf18("7","9","4","8","10","9","1") = "9"
    & skf18("7","9","4","8","10","10","1") = "9"
    & skf18("7","9","4","9","1","1","1") = "8"
    & skf18("7","9","4","9","1","2","1") = "8"
    & skf18("7","9","4","9","1","3","1") = "8"
    & skf18("7","9","4","9","1","4","1") = "8"
    & skf18("7","9","4","9","1","5","1") = "8"
    & skf18("7","9","4","9","1","6","1") = "8"
    & skf18("7","9","4","9","1","7","1") = "8"
    & skf18("7","9","4","9","1","8","1") = "8"
    & skf18("7","9","4","9","1","9","1") = "8"
    & skf18("7","9","4","9","1","10","1") = "9"
    & skf18("7","9","4","9","2","1","1") = "8"
    & skf18("7","9","4","9","2","2","1") = "8"
    & skf18("7","9","4","9","2","3","1") = "8"
    & skf18("7","9","4","9","2","4","1") = "8"
    & skf18("7","9","4","9","2","5","1") = "8"
    & skf18("7","9","4","9","2","6","1") = "8"
    & skf18("7","9","4","9","2","7","1") = "8"
    & skf18("7","9","4","9","2","8","1") = "8"
    & skf18("7","9","4","9","2","9","1") = "8"
    & skf18("7","9","4","9","2","10","1") = "9"
    & skf18("7","9","4","9","3","1","1") = "8"
    & skf18("7","9","4","9","3","2","1") = "8"
    & skf18("7","9","4","9","3","3","1") = "8"
    & skf18("7","9","4","9","3","4","1") = "8"
    & skf18("7","9","4","9","3","5","1") = "8"
    & skf18("7","9","4","9","3","6","1") = "8"
    & skf18("7","9","4","9","3","7","1") = "8"
    & skf18("7","9","4","9","3","8","1") = "8"
    & skf18("7","9","4","9","3","9","1") = "8"
    & skf18("7","9","4","9","3","10","1") = "9"
    & skf18("7","9","4","9","4","1","1") = "8"
    & skf18("7","9","4","9","4","2","1") = "8"
    & skf18("7","9","4","9","4","3","1") = "8"
    & skf18("7","9","4","9","4","4","1") = "8"
    & skf18("7","9","4","9","4","5","1") = "8"
    & skf18("7","9","4","9","4","6","1") = "8"
    & skf18("7","9","4","9","4","7","1") = "8"
    & skf18("7","9","4","9","4","8","1") = "8"
    & skf18("7","9","4","9","4","9","1") = "8"
    & skf18("7","9","4","9","4","10","1") = "9"
    & skf18("7","9","4","9","5","1","1") = "8"
    & skf18("7","9","4","9","5","2","1") = "8"
    & skf18("7","9","4","9","5","3","1") = "8"
    & skf18("7","9","4","9","5","4","1") = "8"
    & skf18("7","9","4","9","5","5","1") = "8"
    & skf18("7","9","4","9","5","6","1") = "8"
    & skf18("7","9","4","9","5","7","1") = "8"
    & skf18("7","9","4","9","5","8","1") = "8"
    & skf18("7","9","4","9","5","9","1") = "8"
    & skf18("7","9","4","9","5","10","1") = "9"
    & skf18("7","9","4","9","6","1","1") = "8"
    & skf18("7","9","4","9","6","2","1") = "8"
    & skf18("7","9","4","9","6","3","1") = "8"
    & skf18("7","9","4","9","6","4","1") = "8"
    & skf18("7","9","4","9","6","5","1") = "8"
    & skf18("7","9","4","9","6","6","1") = "8"
    & skf18("7","9","4","9","6","7","1") = "8"
    & skf18("7","9","4","9","6","8","1") = "8"
    & skf18("7","9","4","9","6","9","1") = "8"
    & skf18("7","9","4","9","6","10","1") = "9"
    & skf18("7","9","4","9","7","1","1") = "8"
    & skf18("7","9","4","9","7","2","1") = "8"
    & skf18("7","9","4","9","7","3","1") = "8"
    & skf18("7","9","4","9","7","4","1") = "8"
    & skf18("7","9","4","9","7","5","1") = "8"
    & skf18("7","9","4","9","7","6","1") = "8"
    & skf18("7","9","4","9","7","7","1") = "8"
    & skf18("7","9","4","9","7","8","1") = "8"
    & skf18("7","9","4","9","7","9","1") = "8"
    & skf18("7","9","4","9","7","10","1") = "9"
    & skf18("7","9","4","9","8","1","1") = "8"
    & skf18("7","9","4","9","8","2","1") = "8"
    & skf18("7","9","4","9","8","3","1") = "8"
    & skf18("7","9","4","9","8","4","1") = "8"
    & skf18("7","9","4","9","8","5","1") = "8"
    & skf18("7","9","4","9","8","6","1") = "8"
    & skf18("7","9","4","9","8","7","1") = "8"
    & skf18("7","9","4","9","8","8","1") = "8"
    & skf18("7","9","4","9","8","9","1") = "8"
    & skf18("7","9","4","9","8","10","1") = "9"
    & skf18("7","9","4","9","9","1","1") = "8"
    & skf18("7","9","4","9","9","2","1") = "8"
    & skf18("7","9","4","9","9","3","1") = "8"
    & skf18("7","9","4","9","9","4","1") = "8"
    & skf18("7","9","4","9","9","5","1") = "8"
    & skf18("7","9","4","9","9","6","1") = "8"
    & skf18("7","9","4","9","9","7","1") = "8"
    & skf18("7","9","4","9","9","8","1") = "8"
    & skf18("7","9","4","9","9","9","1") = "8"
    & skf18("7","9","4","9","9","10","1") = "9"
    & skf18("7","9","4","9","10","1","1") = "9"
    & skf18("7","9","4","9","10","2","1") = "9"
    & skf18("7","9","4","9","10","3","1") = "9"
    & skf18("7","9","4","9","10","4","1") = "9"
    & skf18("7","9","4","9","10","5","1") = "9"
    & skf18("7","9","4","9","10","6","1") = "9"
    & skf18("7","9","4","9","10","7","1") = "9"
    & skf18("7","9","4","9","10","8","1") = "9"
    & skf18("7","9","4","9","10","9","1") = "9"
    & skf18("7","9","4","9","10","10","1") = "9"
    & skf18("7","9","4","10","1","1","1") = "9"
    & skf18("7","9","4","10","1","2","1") = "9"
    & skf18("7","9","4","10","1","3","1") = "9"
    & skf18("7","9","4","10","1","4","1") = "9"
    & skf18("7","9","4","10","1","5","1") = "9"
    & skf18("7","9","4","10","1","6","1") = "9"
    & skf18("7","9","4","10","1","7","1") = "9"
    & skf18("7","9","4","10","1","8","1") = "9"
    & skf18("7","9","4","10","1","9","1") = "9"
    & skf18("7","9","4","10","1","10","1") = "9"
    & skf18("7","9","4","10","2","1","1") = "9"
    & skf18("7","9","4","10","2","2","1") = "9"
    & skf18("7","9","4","10","2","3","1") = "9"
    & skf18("7","9","4","10","2","4","1") = "9"
    & skf18("7","9","4","10","2","5","1") = "9"
    & skf18("7","9","4","10","2","6","1") = "9"
    & skf18("7","9","4","10","2","7","1") = "9"
    & skf18("7","9","4","10","2","8","1") = "9"
    & skf18("7","9","4","10","2","9","1") = "9"
    & skf18("7","9","4","10","2","10","1") = "9"
    & skf18("7","9","4","10","3","1","1") = "9"
    & skf18("7","9","4","10","3","2","1") = "9"
    & skf18("7","9","4","10","3","3","1") = "9"
    & skf18("7","9","4","10","3","4","1") = "9"
    & skf18("7","9","4","10","3","5","1") = "9"
    & skf18("7","9","4","10","3","6","1") = "9"
    & skf18("7","9","4","10","3","7","1") = "9"
    & skf18("7","9","4","10","3","8","1") = "9"
    & skf18("7","9","4","10","3","9","1") = "9"
    & skf18("7","9","4","10","3","10","1") = "9"
    & skf18("7","9","4","10","4","1","1") = "9"
    & skf18("7","9","4","10","4","2","1") = "9"
    & skf18("7","9","4","10","4","3","1") = "9"
    & skf18("7","9","4","10","4","4","1") = "9"
    & skf18("7","9","4","10","4","5","1") = "9"
    & skf18("7","9","4","10","4","6","1") = "9"
    & skf18("7","9","4","10","4","7","1") = "9"
    & skf18("7","9","4","10","4","8","1") = "9"
    & skf18("7","9","4","10","4","9","1") = "9"
    & skf18("7","9","4","10","4","10","1") = "9"
    & skf18("7","9","4","10","5","1","1") = "9"
    & skf18("7","9","4","10","5","2","1") = "9"
    & skf18("7","9","4","10","5","3","1") = "9"
    & skf18("7","9","4","10","5","4","1") = "9"
    & skf18("7","9","4","10","5","5","1") = "9"
    & skf18("7","9","4","10","5","6","1") = "9"
    & skf18("7","9","4","10","5","7","1") = "9"
    & skf18("7","9","4","10","5","8","1") = "9"
    & skf18("7","9","4","10","5","9","1") = "9"
    & skf18("7","9","4","10","5","10","1") = "9"
    & skf18("7","9","4","10","6","1","1") = "9"
    & skf18("7","9","4","10","6","2","1") = "9"
    & skf18("7","9","4","10","6","3","1") = "9"
    & skf18("7","9","4","10","6","4","1") = "9"
    & skf18("7","9","4","10","6","5","1") = "9"
    & skf18("7","9","4","10","6","6","1") = "9"
    & skf18("7","9","4","10","6","7","1") = "9"
    & skf18("7","9","4","10","6","8","1") = "9"
    & skf18("7","9","4","10","6","9","1") = "9"
    & skf18("7","9","4","10","6","10","1") = "9"
    & skf18("7","9","4","10","7","1","1") = "9"
    & skf18("7","9","4","10","7","2","1") = "9"
    & skf18("7","9","4","10","7","3","1") = "9"
    & skf18("7","9","4","10","7","4","1") = "9"
    & skf18("7","9","4","10","7","5","1") = "9"
    & skf18("7","9","4","10","7","6","1") = "9"
    & skf18("7","9","4","10","7","7","1") = "9"
    & skf18("7","9","4","10","7","8","1") = "9"
    & skf18("7","9","4","10","7","9","1") = "9"
    & skf18("7","9","4","10","7","10","1") = "9"
    & skf18("7","9","4","10","8","1","1") = "9"
    & skf18("7","9","4","10","8","2","1") = "9"
    & skf18("7","9","4","10","8","3","1") = "9"
    & skf18("7","9","4","10","8","4","1") = "9"
    & skf18("7","9","4","10","8","5","1") = "9"
    & skf18("7","9","4","10","8","6","1") = "9"
    & skf18("7","9","4","10","8","7","1") = "9"
    & skf18("7","9","4","10","8","8","1") = "9"
    & skf18("7","9","4","10","8","9","1") = "9"
    & skf18("7","9","4","10","8","10","1") = "9"
    & skf18("7","9","4","10","9","1","1") = "9"
    & skf18("7","9","4","10","9","2","1") = "9"
    & skf18("7","9","4","10","9","3","1") = "9"
    & skf18("7","9","4","10","9","4","1") = "9"
    & skf18("7","9","4","10","9","5","1") = "9"
    & skf18("7","9","4","10","9","6","1") = "9"
    & skf18("7","9","4","10","9","7","1") = "9"
    & skf18("7","9","4","10","9","8","1") = "9"
    & skf18("7","9","4","10","9","9","1") = "9"
    & skf18("7","9","4","10","9","10","1") = "9"
    & skf18("7","9","4","10","10","1","1") = "9"
    & skf18("7","9","4","10","10","2","1") = "9"
    & skf18("7","9","4","10","10","3","1") = "9"
    & skf18("7","9","4","10","10","4","1") = "9"
    & skf18("7","9","4","10","10","5","1") = "9"
    & skf18("7","9","4","10","10","6","1") = "9"
    & skf18("7","9","4","10","10","7","1") = "9"
    & skf18("7","9","4","10","10","8","1") = "9"
    & skf18("7","9","4","10","10","9","1") = "9"
    & skf18("7","9","4","10","10","10","1") = "9"
    & skf18("7","9","5","1","1","1","1") = "8"
    & skf18("7","9","5","1","1","2","1") = "8"
    & skf18("7","9","5","1","1","3","1") = "8"
    & skf18("7","9","5","1","1","4","1") = "8"
    & skf18("7","9","5","1","1","5","1") = "8"
    & skf18("7","9","5","1","1","6","1") = "8"
    & skf18("7","9","5","1","1","7","1") = "8"
    & skf18("7","9","5","1","1","8","1") = "8"
    & skf18("7","9","5","1","1","9","1") = "8"
    & skf18("7","9","5","1","1","10","1") = "9"
    & skf18("7","9","5","1","2","1","1") = "8"
    & skf18("7","9","5","1","2","2","1") = "8"
    & skf18("7","9","5","1","2","3","1") = "8"
    & skf18("7","9","5","1","2","4","1") = "8"
    & skf18("7","9","5","1","2","5","1") = "8"
    & skf18("7","9","5","1","2","6","1") = "8"
    & skf18("7","9","5","1","2","7","1") = "8"
    & skf18("7","9","5","1","2","8","1") = "8"
    & skf18("7","9","5","1","2","9","1") = "8"
    & skf18("7","9","5","1","2","10","1") = "9"
    & skf18("7","9","5","1","3","1","1") = "8"
    & skf18("7","9","5","1","3","2","1") = "8"
    & skf18("7","9","5","1","3","3","1") = "8"
    & skf18("7","9","5","1","3","4","1") = "8"
    & skf18("7","9","5","1","3","5","1") = "8"
    & skf18("7","9","5","1","3","6","1") = "8"
    & skf18("7","9","5","1","3","7","1") = "8"
    & skf18("7","9","5","1","3","8","1") = "8"
    & skf18("7","9","5","1","3","9","1") = "8"
    & skf18("7","9","5","1","3","10","1") = "9"
    & skf18("7","9","5","1","4","1","1") = "8"
    & skf18("7","9","5","1","4","2","1") = "8"
    & skf18("7","9","5","1","4","3","1") = "8"
    & skf18("7","9","5","1","4","4","1") = "8"
    & skf18("7","9","5","1","4","5","1") = "8"
    & skf18("7","9","5","1","4","6","1") = "8"
    & skf18("7","9","5","1","4","7","1") = "8"
    & skf18("7","9","5","1","4","8","1") = "8"
    & skf18("7","9","5","1","4","9","1") = "8"
    & skf18("7","9","5","1","4","10","1") = "9"
    & skf18("7","9","5","1","5","1","1") = "8"
    & skf18("7","9","5","1","5","2","1") = "8"
    & skf18("7","9","5","1","5","3","1") = "8"
    & skf18("7","9","5","1","5","4","1") = "8"
    & skf18("7","9","5","1","5","5","1") = "8"
    & skf18("7","9","5","1","5","6","1") = "8"
    & skf18("7","9","5","1","5","7","1") = "8"
    & skf18("7","9","5","1","5","8","1") = "8"
    & skf18("7","9","5","1","5","9","1") = "8"
    & skf18("7","9","5","1","5","10","1") = "9"
    & skf18("7","9","5","1","6","1","1") = "8"
    & skf18("7","9","5","1","6","2","1") = "8"
    & skf18("7","9","5","1","6","3","1") = "8"
    & skf18("7","9","5","1","6","4","1") = "8"
    & skf18("7","9","5","1","6","5","1") = "8"
    & skf18("7","9","5","1","6","6","1") = "8"
    & skf18("7","9","5","1","6","7","1") = "8"
    & skf18("7","9","5","1","6","8","1") = "8"
    & skf18("7","9","5","1","6","9","1") = "8"
    & skf18("7","9","5","1","6","10","1") = "9"
    & skf18("7","9","5","1","7","1","1") = "8"
    & skf18("7","9","5","1","7","2","1") = "8"
    & skf18("7","9","5","1","7","3","1") = "8"
    & skf18("7","9","5","1","7","4","1") = "8"
    & skf18("7","9","5","1","7","5","1") = "8"
    & skf18("7","9","5","1","7","6","1") = "8"
    & skf18("7","9","5","1","7","7","1") = "8"
    & skf18("7","9","5","1","7","8","1") = "8"
    & skf18("7","9","5","1","7","9","1") = "8"
    & skf18("7","9","5","1","7","10","1") = "9"
    & skf18("7","9","5","1","8","1","1") = "8"
    & skf18("7","9","5","1","8","2","1") = "8"
    & skf18("7","9","5","1","8","3","1") = "8"
    & skf18("7","9","5","1","8","4","1") = "8"
    & skf18("7","9","5","1","8","5","1") = "8"
    & skf18("7","9","5","1","8","6","1") = "8"
    & skf18("7","9","5","1","8","7","1") = "8"
    & skf18("7","9","5","1","8","8","1") = "8"
    & skf18("7","9","5","1","8","9","1") = "8"
    & skf18("7","9","5","1","8","10","1") = "9"
    & skf18("7","9","5","1","9","1","1") = "8"
    & skf18("7","9","5","1","9","2","1") = "8"
    & skf18("7","9","5","1","9","3","1") = "8"
    & skf18("7","9","5","1","9","4","1") = "8"
    & skf18("7","9","5","1","9","5","1") = "8"
    & skf18("7","9","5","1","9","6","1") = "8"
    & skf18("7","9","5","1","9","7","1") = "8"
    & skf18("7","9","5","1","9","8","1") = "8"
    & skf18("7","9","5","1","9","9","1") = "8"
    & skf18("7","9","5","1","9","10","1") = "9"
    & skf18("7","9","5","1","10","1","1") = "9"
    & skf18("7","9","5","1","10","2","1") = "9"
    & skf18("7","9","5","1","10","3","1") = "9"
    & skf18("7","9","5","1","10","4","1") = "9"
    & skf18("7","9","5","1","10","5","1") = "9"
    & skf18("7","9","5","1","10","6","1") = "9"
    & skf18("7","9","5","1","10","7","1") = "9"
    & skf18("7","9","5","1","10","8","1") = "9"
    & skf18("7","9","5","1","10","9","1") = "9"
    & skf18("7","9","5","1","10","10","1") = "9"
    & skf18("7","9","5","2","1","1","1") = "8"
    & skf18("7","9","5","2","1","2","1") = "8"
    & skf18("7","9","5","2","1","3","1") = "8"
    & skf18("7","9","5","2","1","4","1") = "8"
    & skf18("7","9","5","2","1","5","1") = "8"
    & skf18("7","9","5","2","1","6","1") = "8"
    & skf18("7","9","5","2","1","7","1") = "8"
    & skf18("7","9","5","2","1","8","1") = "8"
    & skf18("7","9","5","2","1","9","1") = "8"
    & skf18("7","9","5","2","1","10","1") = "9"
    & skf18("7","9","5","2","2","1","1") = "8"
    & skf18("7","9","5","2","2","2","1") = "8"
    & skf18("7","9","5","2","2","3","1") = "8"
    & skf18("7","9","5","2","2","4","1") = "8"
    & skf18("7","9","5","2","2","5","1") = "8"
    & skf18("7","9","5","2","2","6","1") = "8"
    & skf18("7","9","5","2","2","7","1") = "8"
    & skf18("7","9","5","2","2","8","1") = "8"
    & skf18("7","9","5","2","2","9","1") = "8"
    & skf18("7","9","5","2","2","10","1") = "9"
    & skf18("7","9","5","2","3","1","1") = "8"
    & skf18("7","9","5","2","3","2","1") = "8"
    & skf18("7","9","5","2","3","3","1") = "8"
    & skf18("7","9","5","2","3","4","1") = "8"
    & skf18("7","9","5","2","3","5","1") = "8"
    & skf18("7","9","5","2","3","6","1") = "8"
    & skf18("7","9","5","2","3","7","1") = "8"
    & skf18("7","9","5","2","3","8","1") = "8"
    & skf18("7","9","5","2","3","9","1") = "8"
    & skf18("7","9","5","2","3","10","1") = "9"
    & skf18("7","9","5","2","4","1","1") = "8"
    & skf18("7","9","5","2","4","2","1") = "8"
    & skf18("7","9","5","2","4","3","1") = "8"
    & skf18("7","9","5","2","4","4","1") = "8"
    & skf18("7","9","5","2","4","5","1") = "8"
    & skf18("7","9","5","2","4","6","1") = "8"
    & skf18("7","9","5","2","4","7","1") = "8"
    & skf18("7","9","5","2","4","8","1") = "8"
    & skf18("7","9","5","2","4","9","1") = "8"
    & skf18("7","9","5","2","4","10","1") = "9"
    & skf18("7","9","5","2","5","1","1") = "8"
    & skf18("7","9","5","2","5","2","1") = "8"
    & skf18("7","9","5","2","5","3","1") = "8"
    & skf18("7","9","5","2","5","4","1") = "8"
    & skf18("7","9","5","2","5","5","1") = "8"
    & skf18("7","9","5","2","5","6","1") = "8"
    & skf18("7","9","5","2","5","7","1") = "8"
    & skf18("7","9","5","2","5","8","1") = "8"
    & skf18("7","9","5","2","5","9","1") = "8"
    & skf18("7","9","5","2","5","10","1") = "9"
    & skf18("7","9","5","2","6","1","1") = "8"
    & skf18("7","9","5","2","6","2","1") = "8"
    & skf18("7","9","5","2","6","3","1") = "8"
    & skf18("7","9","5","2","6","4","1") = "8"
    & skf18("7","9","5","2","6","5","1") = "8"
    & skf18("7","9","5","2","6","6","1") = "8"
    & skf18("7","9","5","2","6","7","1") = "8"
    & skf18("7","9","5","2","6","8","1") = "8"
    & skf18("7","9","5","2","6","9","1") = "8"
    & skf18("7","9","5","2","6","10","1") = "9"
    & skf18("7","9","5","2","7","1","1") = "8"
    & skf18("7","9","5","2","7","2","1") = "8"
    & skf18("7","9","5","2","7","3","1") = "8"
    & skf18("7","9","5","2","7","4","1") = "8"
    & skf18("7","9","5","2","7","5","1") = "8"
    & skf18("7","9","5","2","7","6","1") = "8"
    & skf18("7","9","5","2","7","7","1") = "8"
    & skf18("7","9","5","2","7","8","1") = "8"
    & skf18("7","9","5","2","7","9","1") = "8"
    & skf18("7","9","5","2","7","10","1") = "9"
    & skf18("7","9","5","2","8","1","1") = "8"
    & skf18("7","9","5","2","8","2","1") = "8"
    & skf18("7","9","5","2","8","3","1") = "8"
    & skf18("7","9","5","2","8","4","1") = "8"
    & skf18("7","9","5","2","8","5","1") = "8"
    & skf18("7","9","5","2","8","6","1") = "8"
    & skf18("7","9","5","2","8","7","1") = "8"
    & skf18("7","9","5","2","8","8","1") = "8"
    & skf18("7","9","5","2","8","9","1") = "8"
    & skf18("7","9","5","2","8","10","1") = "9"
    & skf18("7","9","5","2","9","1","1") = "8"
    & skf18("7","9","5","2","9","2","1") = "8"
    & skf18("7","9","5","2","9","3","1") = "8"
    & skf18("7","9","5","2","9","4","1") = "8"
    & skf18("7","9","5","2","9","5","1") = "8"
    & skf18("7","9","5","2","9","6","1") = "8"
    & skf18("7","9","5","2","9","7","1") = "8"
    & skf18("7","9","5","2","9","8","1") = "8"
    & skf18("7","9","5","2","9","9","1") = "8"
    & skf18("7","9","5","2","9","10","1") = "9"
    & skf18("7","9","5","2","10","1","1") = "9"
    & skf18("7","9","5","2","10","2","1") = "9"
    & skf18("7","9","5","2","10","3","1") = "9"
    & skf18("7","9","5","2","10","4","1") = "9"
    & skf18("7","9","5","2","10","5","1") = "9"
    & skf18("7","9","5","2","10","6","1") = "9"
    & skf18("7","9","5","2","10","7","1") = "9"
    & skf18("7","9","5","2","10","8","1") = "9"
    & skf18("7","9","5","2","10","9","1") = "9"
    & skf18("7","9","5","2","10","10","1") = "9"
    & skf18("7","9","5","3","1","1","1") = "8"
    & skf18("7","9","5","3","1","2","1") = "8"
    & skf18("7","9","5","3","1","3","1") = "8"
    & skf18("7","9","5","3","1","4","1") = "8"
    & skf18("7","9","5","3","1","5","1") = "8"
    & skf18("7","9","5","3","1","6","1") = "8"
    & skf18("7","9","5","3","1","7","1") = "8"
    & skf18("7","9","5","3","1","8","1") = "8"
    & skf18("7","9","5","3","1","9","1") = "8"
    & skf18("7","9","5","3","1","10","1") = "9"
    & skf18("7","9","5","3","2","1","1") = "8"
    & skf18("7","9","5","3","2","2","1") = "8"
    & skf18("7","9","5","3","2","3","1") = "8"
    & skf18("7","9","5","3","2","4","1") = "8"
    & skf18("7","9","5","3","2","5","1") = "8"
    & skf18("7","9","5","3","2","6","1") = "8"
    & skf18("7","9","5","3","2","7","1") = "8"
    & skf18("7","9","5","3","2","8","1") = "8"
    & skf18("7","9","5","3","2","9","1") = "8"
    & skf18("7","9","5","3","2","10","1") = "9"
    & skf18("7","9","5","3","3","1","1") = "8"
    & skf18("7","9","5","3","3","2","1") = "8"
    & skf18("7","9","5","3","3","3","1") = "8"
    & skf18("7","9","5","3","3","4","1") = "8"
    & skf18("7","9","5","3","3","5","1") = "8"
    & skf18("7","9","5","3","3","6","1") = "8"
    & skf18("7","9","5","3","3","7","1") = "8"
    & skf18("7","9","5","3","3","8","1") = "8"
    & skf18("7","9","5","3","3","9","1") = "8"
    & skf18("7","9","5","3","3","10","1") = "9"
    & skf18("7","9","5","3","4","1","1") = "8"
    & skf18("7","9","5","3","4","2","1") = "8"
    & skf18("7","9","5","3","4","3","1") = "8"
    & skf18("7","9","5","3","4","4","1") = "8"
    & skf18("7","9","5","3","4","5","1") = "8"
    & skf18("7","9","5","3","4","6","1") = "8"
    & skf18("7","9","5","3","4","7","1") = "8"
    & skf18("7","9","5","3","4","8","1") = "8"
    & skf18("7","9","5","3","4","9","1") = "8"
    & skf18("7","9","5","3","4","10","1") = "9"
    & skf18("7","9","5","3","5","1","1") = "8"
    & skf18("7","9","5","3","5","2","1") = "8"
    & skf18("7","9","5","3","5","3","1") = "8"
    & skf18("7","9","5","3","5","4","1") = "8"
    & skf18("7","9","5","3","5","5","1") = "8"
    & skf18("7","9","5","3","5","6","1") = "8"
    & skf18("7","9","5","3","5","7","1") = "8"
    & skf18("7","9","5","3","5","8","1") = "8"
    & skf18("7","9","5","3","5","9","1") = "8"
    & skf18("7","9","5","3","5","10","1") = "9"
    & skf18("7","9","5","3","6","1","1") = "8"
    & skf18("7","9","5","3","6","2","1") = "8"
    & skf18("7","9","5","3","6","3","1") = "8"
    & skf18("7","9","5","3","6","4","1") = "8"
    & skf18("7","9","5","3","6","5","1") = "8"
    & skf18("7","9","5","3","6","6","1") = "8"
    & skf18("7","9","5","3","6","7","1") = "8"
    & skf18("7","9","5","3","6","8","1") = "8"
    & skf18("7","9","5","3","6","9","1") = "8"
    & skf18("7","9","5","3","6","10","1") = "9"
    & skf18("7","9","5","3","7","1","1") = "8"
    & skf18("7","9","5","3","7","2","1") = "8"
    & skf18("7","9","5","3","7","3","1") = "8"
    & skf18("7","9","5","3","7","4","1") = "8"
    & skf18("7","9","5","3","7","5","1") = "8"
    & skf18("7","9","5","3","7","6","1") = "8"
    & skf18("7","9","5","3","7","7","1") = "8"
    & skf18("7","9","5","3","7","8","1") = "8"
    & skf18("7","9","5","3","7","9","1") = "8"
    & skf18("7","9","5","3","7","10","1") = "9"
    & skf18("7","9","5","3","8","1","1") = "8"
    & skf18("7","9","5","3","8","2","1") = "8"
    & skf18("7","9","5","3","8","3","1") = "8"
    & skf18("7","9","5","3","8","4","1") = "8"
    & skf18("7","9","5","3","8","5","1") = "8"
    & skf18("7","9","5","3","8","6","1") = "8"
    & skf18("7","9","5","3","8","7","1") = "8"
    & skf18("7","9","5","3","8","8","1") = "8"
    & skf18("7","9","5","3","8","9","1") = "8"
    & skf18("7","9","5","3","8","10","1") = "9"
    & skf18("7","9","5","3","9","1","1") = "8"
    & skf18("7","9","5","3","9","2","1") = "8"
    & skf18("7","9","5","3","9","3","1") = "8"
    & skf18("7","9","5","3","9","4","1") = "8"
    & skf18("7","9","5","3","9","5","1") = "8"
    & skf18("7","9","5","3","9","6","1") = "8"
    & skf18("7","9","5","3","9","7","1") = "8"
    & skf18("7","9","5","3","9","8","1") = "8"
    & skf18("7","9","5","3","9","9","1") = "8"
    & skf18("7","9","5","3","9","10","1") = "9"
    & skf18("7","9","5","3","10","1","1") = "9"
    & skf18("7","9","5","3","10","2","1") = "9"
    & skf18("7","9","5","3","10","3","1") = "9"
    & skf18("7","9","5","3","10","4","1") = "9"
    & skf18("7","9","5","3","10","5","1") = "9"
    & skf18("7","9","5","3","10","6","1") = "9"
    & skf18("7","9","5","3","10","7","1") = "9"
    & skf18("7","9","5","3","10","8","1") = "9"
    & skf18("7","9","5","3","10","9","1") = "9"
    & skf18("7","9","5","3","10","10","1") = "9"
    & skf18("7","9","5","4","1","1","1") = "8"
    & skf18("7","9","5","4","1","2","1") = "8"
    & skf18("7","9","5","4","1","3","1") = "8"
    & skf18("7","9","5","4","1","4","1") = "8"
    & skf18("7","9","5","4","1","5","1") = "8"
    & skf18("7","9","5","4","1","6","1") = "8"
    & skf18("7","9","5","4","1","7","1") = "8"
    & skf18("7","9","5","4","1","8","1") = "8"
    & skf18("7","9","5","4","1","9","1") = "8"
    & skf18("7","9","5","4","1","10","1") = "9"
    & skf18("7","9","5","4","2","1","1") = "8"
    & skf18("7","9","5","4","2","2","1") = "8"
    & skf18("7","9","5","4","2","3","1") = "8"
    & skf18("7","9","5","4","2","4","1") = "8"
    & skf18("7","9","5","4","2","5","1") = "8"
    & skf18("7","9","5","4","2","6","1") = "8"
    & skf18("7","9","5","4","2","7","1") = "8"
    & skf18("7","9","5","4","2","8","1") = "8"
    & skf18("7","9","5","4","2","9","1") = "8"
    & skf18("7","9","5","4","2","10","1") = "9"
    & skf18("7","9","5","4","3","1","1") = "8"
    & skf18("7","9","5","4","3","2","1") = "8"
    & skf18("7","9","5","4","3","3","1") = "8"
    & skf18("7","9","5","4","3","4","1") = "8"
    & skf18("7","9","5","4","3","5","1") = "8"
    & skf18("7","9","5","4","3","6","1") = "8"
    & skf18("7","9","5","4","3","7","1") = "8"
    & skf18("7","9","5","4","3","8","1") = "8"
    & skf18("7","9","5","4","3","9","1") = "8"
    & skf18("7","9","5","4","3","10","1") = "9"
    & skf18("7","9","5","4","4","1","1") = "8"
    & skf18("7","9","5","4","4","2","1") = "8"
    & skf18("7","9","5","4","4","3","1") = "8"
    & skf18("7","9","5","4","4","4","1") = "8"
    & skf18("7","9","5","4","4","5","1") = "8"
    & skf18("7","9","5","4","4","6","1") = "8"
    & skf18("7","9","5","4","4","7","1") = "8"
    & skf18("7","9","5","4","4","8","1") = "8"
    & skf18("7","9","5","4","4","9","1") = "8"
    & skf18("7","9","5","4","4","10","1") = "9"
    & skf18("7","9","5","4","5","1","1") = "8"
    & skf18("7","9","5","4","5","2","1") = "8"
    & skf18("7","9","5","4","5","3","1") = "8"
    & skf18("7","9","5","4","5","4","1") = "8"
    & skf18("7","9","5","4","5","5","1") = "8"
    & skf18("7","9","5","4","5","6","1") = "8"
    & skf18("7","9","5","4","5","7","1") = "8"
    & skf18("7","9","5","4","5","8","1") = "8"
    & skf18("7","9","5","4","5","9","1") = "8"
    & skf18("7","9","5","4","5","10","1") = "9"
    & skf18("7","9","5","4","6","1","1") = "8"
    & skf18("7","9","5","4","6","2","1") = "8"
    & skf18("7","9","5","4","6","3","1") = "8"
    & skf18("7","9","5","4","6","4","1") = "8"
    & skf18("7","9","5","4","6","5","1") = "8"
    & skf18("7","9","5","4","6","6","1") = "8"
    & skf18("7","9","5","4","6","7","1") = "8"
    & skf18("7","9","5","4","6","8","1") = "8"
    & skf18("7","9","5","4","6","9","1") = "8"
    & skf18("7","9","5","4","6","10","1") = "9"
    & skf18("7","9","5","4","7","1","1") = "8"
    & skf18("7","9","5","4","7","2","1") = "8"
    & skf18("7","9","5","4","7","3","1") = "8"
    & skf18("7","9","5","4","7","4","1") = "8"
    & skf18("7","9","5","4","7","5","1") = "8"
    & skf18("7","9","5","4","7","6","1") = "8"
    & skf18("7","9","5","4","7","7","1") = "8"
    & skf18("7","9","5","4","7","8","1") = "8"
    & skf18("7","9","5","4","7","9","1") = "8"
    & skf18("7","9","5","4","7","10","1") = "9"
    & skf18("7","9","5","4","8","1","1") = "8"
    & skf18("7","9","5","4","8","2","1") = "8"
    & skf18("7","9","5","4","8","3","1") = "8"
    & skf18("7","9","5","4","8","4","1") = "8"
    & skf18("7","9","5","4","8","5","1") = "8"
    & skf18("7","9","5","4","8","6","1") = "8"
    & skf18("7","9","5","4","8","7","1") = "8"
    & skf18("7","9","5","4","8","8","1") = "8"
    & skf18("7","9","5","4","8","9","1") = "8"
    & skf18("7","9","5","4","8","10","1") = "9"
    & skf18("7","9","5","4","9","1","1") = "8"
    & skf18("7","9","5","4","9","2","1") = "8"
    & skf18("7","9","5","4","9","3","1") = "8"
    & skf18("7","9","5","4","9","4","1") = "8"
    & skf18("7","9","5","4","9","5","1") = "8"
    & skf18("7","9","5","4","9","6","1") = "8"
    & skf18("7","9","5","4","9","7","1") = "8"
    & skf18("7","9","5","4","9","8","1") = "8"
    & skf18("7","9","5","4","9","9","1") = "8"
    & skf18("7","9","5","4","9","10","1") = "9"
    & skf18("7","9","5","4","10","1","1") = "9"
    & skf18("7","9","5","4","10","2","1") = "9"
    & skf18("7","9","5","4","10","3","1") = "9"
    & skf18("7","9","5","4","10","4","1") = "9"
    & skf18("7","9","5","4","10","5","1") = "9"
    & skf18("7","9","5","4","10","6","1") = "9"
    & skf18("7","9","5","4","10","7","1") = "9"
    & skf18("7","9","5","4","10","8","1") = "9"
    & skf18("7","9","5","4","10","9","1") = "9"
    & skf18("7","9","5","4","10","10","1") = "9"
    & skf18("7","9","5","5","1","1","1") = "8"
    & skf18("7","9","5","5","1","2","1") = "8"
    & skf18("7","9","5","5","1","3","1") = "8"
    & skf18("7","9","5","5","1","4","1") = "8"
    & skf18("7","9","5","5","1","5","1") = "8"
    & skf18("7","9","5","5","1","6","1") = "8"
    & skf18("7","9","5","5","1","7","1") = "8"
    & skf18("7","9","5","5","1","8","1") = "8"
    & skf18("7","9","5","5","1","9","1") = "8"
    & skf18("7","9","5","5","1","10","1") = "9"
    & skf18("7","9","5","5","2","1","1") = "8"
    & skf18("7","9","5","5","2","2","1") = "8"
    & skf18("7","9","5","5","2","3","1") = "8"
    & skf18("7","9","5","5","2","4","1") = "8"
    & skf18("7","9","5","5","2","5","1") = "8"
    & skf18("7","9","5","5","2","6","1") = "8"
    & skf18("7","9","5","5","2","7","1") = "8"
    & skf18("7","9","5","5","2","8","1") = "8"
    & skf18("7","9","5","5","2","9","1") = "8"
    & skf18("7","9","5","5","2","10","1") = "9"
    & skf18("7","9","5","5","3","1","1") = "8"
    & skf18("7","9","5","5","3","2","1") = "8"
    & skf18("7","9","5","5","3","3","1") = "8"
    & skf18("7","9","5","5","3","4","1") = "8"
    & skf18("7","9","5","5","3","5","1") = "8"
    & skf18("7","9","5","5","3","6","1") = "8"
    & skf18("7","9","5","5","3","7","1") = "8"
    & skf18("7","9","5","5","3","8","1") = "8"
    & skf18("7","9","5","5","3","9","1") = "8"
    & skf18("7","9","5","5","3","10","1") = "9"
    & skf18("7","9","5","5","4","1","1") = "8"
    & skf18("7","9","5","5","4","2","1") = "8"
    & skf18("7","9","5","5","4","3","1") = "8"
    & skf18("7","9","5","5","4","4","1") = "8"
    & skf18("7","9","5","5","4","5","1") = "8"
    & skf18("7","9","5","5","4","6","1") = "8"
    & skf18("7","9","5","5","4","7","1") = "8"
    & skf18("7","9","5","5","4","8","1") = "8"
    & skf18("7","9","5","5","4","9","1") = "8"
    & skf18("7","9","5","5","4","10","1") = "9"
    & skf18("7","9","5","5","5","1","1") = "8"
    & skf18("7","9","5","5","5","2","1") = "8"
    & skf18("7","9","5","5","5","3","1") = "8"
    & skf18("7","9","5","5","5","4","1") = "8"
    & skf18("7","9","5","5","5","5","1") = "8"
    & skf18("7","9","5","5","5","6","1") = "8"
    & skf18("7","9","5","5","5","7","1") = "8"
    & skf18("7","9","5","5","5","8","1") = "8"
    & skf18("7","9","5","5","5","9","1") = "8"
    & skf18("7","9","5","5","5","10","1") = "9"
    & skf18("7","9","5","5","6","1","1") = "8"
    & skf18("7","9","5","5","6","2","1") = "8"
    & skf18("7","9","5","5","6","3","1") = "8"
    & skf18("7","9","5","5","6","4","1") = "8"
    & skf18("7","9","5","5","6","5","1") = "8"
    & skf18("7","9","5","5","6","6","1") = "8"
    & skf18("7","9","5","5","6","7","1") = "8"
    & skf18("7","9","5","5","6","8","1") = "8"
    & skf18("7","9","5","5","6","9","1") = "8"
    & skf18("7","9","5","5","6","10","1") = "9"
    & skf18("7","9","5","5","7","1","1") = "8"
    & skf18("7","9","5","5","7","2","1") = "8"
    & skf18("7","9","5","5","7","3","1") = "8"
    & skf18("7","9","5","5","7","4","1") = "8"
    & skf18("7","9","5","5","7","5","1") = "8"
    & skf18("7","9","5","5","7","6","1") = "8"
    & skf18("7","9","5","5","7","7","1") = "8"
    & skf18("7","9","5","5","7","8","1") = "8"
    & skf18("7","9","5","5","7","9","1") = "8"
    & skf18("7","9","5","5","7","10","1") = "9"
    & skf18("7","9","5","5","8","1","1") = "8"
    & skf18("7","9","5","5","8","2","1") = "8"
    & skf18("7","9","5","5","8","3","1") = "8"
    & skf18("7","9","5","5","8","4","1") = "8"
    & skf18("7","9","5","5","8","5","1") = "8"
    & skf18("7","9","5","5","8","6","1") = "8"
    & skf18("7","9","5","5","8","7","1") = "8"
    & skf18("7","9","5","5","8","8","1") = "8"
    & skf18("7","9","5","5","8","9","1") = "8"
    & skf18("7","9","5","5","8","10","1") = "9"
    & skf18("7","9","5","5","9","1","1") = "8"
    & skf18("7","9","5","5","9","2","1") = "8"
    & skf18("7","9","5","5","9","3","1") = "8"
    & skf18("7","9","5","5","9","4","1") = "8"
    & skf18("7","9","5","5","9","5","1") = "8"
    & skf18("7","9","5","5","9","6","1") = "8"
    & skf18("7","9","5","5","9","7","1") = "8"
    & skf18("7","9","5","5","9","8","1") = "8"
    & skf18("7","9","5","5","9","9","1") = "8"
    & skf18("7","9","5","5","9","10","1") = "9"
    & skf18("7","9","5","5","10","1","1") = "9"
    & skf18("7","9","5","5","10","2","1") = "9"
    & skf18("7","9","5","5","10","3","1") = "9"
    & skf18("7","9","5","5","10","4","1") = "9"
    & skf18("7","9","5","5","10","5","1") = "9"
    & skf18("7","9","5","5","10","6","1") = "9"
    & skf18("7","9","5","5","10","7","1") = "9"
    & skf18("7","9","5","5","10","8","1") = "9"
    & skf18("7","9","5","5","10","9","1") = "9"
    & skf18("7","9","5","5","10","10","1") = "9"
    & skf18("7","9","5","6","1","1","1") = "8"
    & skf18("7","9","5","6","1","2","1") = "8"
    & skf18("7","9","5","6","1","3","1") = "8"
    & skf18("7","9","5","6","1","4","1") = "8"
    & skf18("7","9","5","6","1","5","1") = "8"
    & skf18("7","9","5","6","1","6","1") = "8"
    & skf18("7","9","5","6","1","7","1") = "8"
    & skf18("7","9","5","6","1","8","1") = "8"
    & skf18("7","9","5","6","1","9","1") = "8"
    & skf18("7","9","5","6","1","10","1") = "9"
    & skf18("7","9","5","6","2","1","1") = "8"
    & skf18("7","9","5","6","2","2","1") = "8"
    & skf18("7","9","5","6","2","3","1") = "8"
    & skf18("7","9","5","6","2","4","1") = "8"
    & skf18("7","9","5","6","2","5","1") = "8"
    & skf18("7","9","5","6","2","6","1") = "8"
    & skf18("7","9","5","6","2","7","1") = "8"
    & skf18("7","9","5","6","2","8","1") = "8"
    & skf18("7","9","5","6","2","9","1") = "8"
    & skf18("7","9","5","6","2","10","1") = "9"
    & skf18("7","9","5","6","3","1","1") = "8"
    & skf18("7","9","5","6","3","2","1") = "8"
    & skf18("7","9","5","6","3","3","1") = "8"
    & skf18("7","9","5","6","3","4","1") = "8"
    & skf18("7","9","5","6","3","5","1") = "8"
    & skf18("7","9","5","6","3","6","1") = "8"
    & skf18("7","9","5","6","3","7","1") = "8"
    & skf18("7","9","5","6","3","8","1") = "8"
    & skf18("7","9","5","6","3","9","1") = "8"
    & skf18("7","9","5","6","3","10","1") = "9"
    & skf18("7","9","5","6","4","1","1") = "8"
    & skf18("7","9","5","6","4","2","1") = "8"
    & skf18("7","9","5","6","4","3","1") = "8"
    & skf18("7","9","5","6","4","4","1") = "8"
    & skf18("7","9","5","6","4","5","1") = "8"
    & skf18("7","9","5","6","4","6","1") = "8"
    & skf18("7","9","5","6","4","7","1") = "8"
    & skf18("7","9","5","6","4","8","1") = "8"
    & skf18("7","9","5","6","4","9","1") = "8"
    & skf18("7","9","5","6","4","10","1") = "9"
    & skf18("7","9","5","6","5","1","1") = "8"
    & skf18("7","9","5","6","5","2","1") = "8"
    & skf18("7","9","5","6","5","3","1") = "8"
    & skf18("7","9","5","6","5","4","1") = "8"
    & skf18("7","9","5","6","5","5","1") = "8"
    & skf18("7","9","5","6","5","6","1") = "8"
    & skf18("7","9","5","6","5","7","1") = "8"
    & skf18("7","9","5","6","5","8","1") = "8"
    & skf18("7","9","5","6","5","9","1") = "8"
    & skf18("7","9","5","6","5","10","1") = "9"
    & skf18("7","9","5","6","6","1","1") = "8"
    & skf18("7","9","5","6","6","2","1") = "8"
    & skf18("7","9","5","6","6","3","1") = "8"
    & skf18("7","9","5","6","6","4","1") = "8"
    & skf18("7","9","5","6","6","5","1") = "8"
    & skf18("7","9","5","6","6","6","1") = "8"
    & skf18("7","9","5","6","6","7","1") = "8"
    & skf18("7","9","5","6","6","8","1") = "8"
    & skf18("7","9","5","6","6","9","1") = "8"
    & skf18("7","9","5","6","6","10","1") = "9"
    & skf18("7","9","5","6","7","1","1") = "8"
    & skf18("7","9","5","6","7","2","1") = "8"
    & skf18("7","9","5","6","7","3","1") = "8"
    & skf18("7","9","5","6","7","4","1") = "8"
    & skf18("7","9","5","6","7","5","1") = "8"
    & skf18("7","9","5","6","7","6","1") = "8"
    & skf18("7","9","5","6","7","7","1") = "8"
    & skf18("7","9","5","6","7","8","1") = "8"
    & skf18("7","9","5","6","7","9","1") = "8"
    & skf18("7","9","5","6","7","10","1") = "9"
    & skf18("7","9","5","6","8","1","1") = "8"
    & skf18("7","9","5","6","8","2","1") = "8"
    & skf18("7","9","5","6","8","3","1") = "8"
    & skf18("7","9","5","6","8","4","1") = "8"
    & skf18("7","9","5","6","8","5","1") = "8"
    & skf18("7","9","5","6","8","6","1") = "8"
    & skf18("7","9","5","6","8","7","1") = "8"
    & skf18("7","9","5","6","8","8","1") = "8"
    & skf18("7","9","5","6","8","9","1") = "8"
    & skf18("7","9","5","6","8","10","1") = "9"
    & skf18("7","9","5","6","9","1","1") = "8"
    & skf18("7","9","5","6","9","2","1") = "8"
    & skf18("7","9","5","6","9","3","1") = "8"
    & skf18("7","9","5","6","9","4","1") = "8"
    & skf18("7","9","5","6","9","5","1") = "8"
    & skf18("7","9","5","6","9","6","1") = "8"
    & skf18("7","9","5","6","9","7","1") = "8"
    & skf18("7","9","5","6","9","8","1") = "8"
    & skf18("7","9","5","6","9","9","1") = "8"
    & skf18("7","9","5","6","9","10","1") = "9"
    & skf18("7","9","5","6","10","1","1") = "9"
    & skf18("7","9","5","6","10","2","1") = "9"
    & skf18("7","9","5","6","10","3","1") = "9"
    & skf18("7","9","5","6","10","4","1") = "9"
    & skf18("7","9","5","6","10","5","1") = "9"
    & skf18("7","9","5","6","10","6","1") = "9"
    & skf18("7","9","5","6","10","7","1") = "9"
    & skf18("7","9","5","6","10","8","1") = "9"
    & skf18("7","9","5","6","10","9","1") = "9"
    & skf18("7","9","5","6","10","10","1") = "9"
    & skf18("7","9","5","7","1","1","1") = "8"
    & skf18("7","9","5","7","1","2","1") = "8"
    & skf18("7","9","5","7","1","3","1") = "8"
    & skf18("7","9","5","7","1","4","1") = "8"
    & skf18("7","9","5","7","1","5","1") = "8"
    & skf18("7","9","5","7","1","6","1") = "8"
    & skf18("7","9","5","7","1","7","1") = "8"
    & skf18("7","9","5","7","1","8","1") = "8"
    & skf18("7","9","5","7","1","9","1") = "8"
    & skf18("7","9","5","7","1","10","1") = "9"
    & skf18("7","9","5","7","2","1","1") = "8"
    & skf18("7","9","5","7","2","2","1") = "8"
    & skf18("7","9","5","7","2","3","1") = "8"
    & skf18("7","9","5","7","2","4","1") = "8"
    & skf18("7","9","5","7","2","5","1") = "8"
    & skf18("7","9","5","7","2","6","1") = "8"
    & skf18("7","9","5","7","2","7","1") = "8"
    & skf18("7","9","5","7","2","8","1") = "8"
    & skf18("7","9","5","7","2","9","1") = "8"
    & skf18("7","9","5","7","2","10","1") = "9"
    & skf18("7","9","5","7","3","1","1") = "8"
    & skf18("7","9","5","7","3","2","1") = "8"
    & skf18("7","9","5","7","3","3","1") = "8"
    & skf18("7","9","5","7","3","4","1") = "8"
    & skf18("7","9","5","7","3","5","1") = "8"
    & skf18("7","9","5","7","3","6","1") = "8"
    & skf18("7","9","5","7","3","7","1") = "8"
    & skf18("7","9","5","7","3","8","1") = "8"
    & skf18("7","9","5","7","3","9","1") = "8"
    & skf18("7","9","5","7","3","10","1") = "9"
    & skf18("7","9","5","7","4","1","1") = "8"
    & skf18("7","9","5","7","4","2","1") = "8"
    & skf18("7","9","5","7","4","3","1") = "8"
    & skf18("7","9","5","7","4","4","1") = "8"
    & skf18("7","9","5","7","4","5","1") = "8"
    & skf18("7","9","5","7","4","6","1") = "8"
    & skf18("7","9","5","7","4","7","1") = "8"
    & skf18("7","9","5","7","4","8","1") = "8"
    & skf18("7","9","5","7","4","9","1") = "8"
    & skf18("7","9","5","7","4","10","1") = "9"
    & skf18("7","9","5","7","5","1","1") = "8"
    & skf18("7","9","5","7","5","2","1") = "8"
    & skf18("7","9","5","7","5","3","1") = "8"
    & skf18("7","9","5","7","5","4","1") = "8"
    & skf18("7","9","5","7","5","5","1") = "8"
    & skf18("7","9","5","7","5","6","1") = "8"
    & skf18("7","9","5","7","5","7","1") = "8"
    & skf18("7","9","5","7","5","8","1") = "8"
    & skf18("7","9","5","7","5","9","1") = "8"
    & skf18("7","9","5","7","5","10","1") = "9"
    & skf18("7","9","5","7","6","1","1") = "8"
    & skf18("7","9","5","7","6","2","1") = "8"
    & skf18("7","9","5","7","6","3","1") = "8"
    & skf18("7","9","5","7","6","4","1") = "8"
    & skf18("7","9","5","7","6","5","1") = "8"
    & skf18("7","9","5","7","6","6","1") = "8"
    & skf18("7","9","5","7","6","7","1") = "8"
    & skf18("7","9","5","7","6","8","1") = "8"
    & skf18("7","9","5","7","6","9","1") = "8"
    & skf18("7","9","5","7","6","10","1") = "9"
    & skf18("7","9","5","7","7","1","1") = "8"
    & skf18("7","9","5","7","7","2","1") = "8"
    & skf18("7","9","5","7","7","3","1") = "8"
    & skf18("7","9","5","7","7","4","1") = "8"
    & skf18("7","9","5","7","7","5","1") = "8"
    & skf18("7","9","5","7","7","6","1") = "8"
    & skf18("7","9","5","7","7","7","1") = "8"
    & skf18("7","9","5","7","7","8","1") = "8"
    & skf18("7","9","5","7","7","9","1") = "8"
    & skf18("7","9","5","7","7","10","1") = "9"
    & skf18("7","9","5","7","8","1","1") = "8"
    & skf18("7","9","5","7","8","2","1") = "8"
    & skf18("7","9","5","7","8","3","1") = "8"
    & skf18("7","9","5","7","8","4","1") = "8"
    & skf18("7","9","5","7","8","5","1") = "8"
    & skf18("7","9","5","7","8","6","1") = "8"
    & skf18("7","9","5","7","8","7","1") = "8"
    & skf18("7","9","5","7","8","8","1") = "8"
    & skf18("7","9","5","7","8","9","1") = "8"
    & skf18("7","9","5","7","8","10","1") = "9"
    & skf18("7","9","5","7","9","1","1") = "8"
    & skf18("7","9","5","7","9","2","1") = "8"
    & skf18("7","9","5","7","9","3","1") = "8"
    & skf18("7","9","5","7","9","4","1") = "8"
    & skf18("7","9","5","7","9","5","1") = "8"
    & skf18("7","9","5","7","9","6","1") = "8"
    & skf18("7","9","5","7","9","7","1") = "8"
    & skf18("7","9","5","7","9","8","1") = "8"
    & skf18("7","9","5","7","9","9","1") = "8"
    & skf18("7","9","5","7","9","10","1") = "9"
    & skf18("7","9","5","7","10","1","1") = "9"
    & skf18("7","9","5","7","10","2","1") = "9"
    & skf18("7","9","5","7","10","3","1") = "9"
    & skf18("7","9","5","7","10","4","1") = "9"
    & skf18("7","9","5","7","10","5","1") = "9"
    & skf18("7","9","5","7","10","6","1") = "9"
    & skf18("7","9","5","7","10","7","1") = "9"
    & skf18("7","9","5","7","10","8","1") = "9"
    & skf18("7","9","5","7","10","9","1") = "9"
    & skf18("7","9","5","7","10","10","1") = "9"
    & skf18("7","9","5","8","1","1","1") = "8"
    & skf18("7","9","5","8","1","2","1") = "8"
    & skf18("7","9","5","8","1","3","1") = "8"
    & skf18("7","9","5","8","1","4","1") = "8"
    & skf18("7","9","5","8","1","5","1") = "8"
    & skf18("7","9","5","8","1","6","1") = "8"
    & skf18("7","9","5","8","1","7","1") = "8"
    & skf18("7","9","5","8","1","8","1") = "8"
    & skf18("7","9","5","8","1","9","1") = "8"
    & skf18("7","9","5","8","1","10","1") = "9"
    & skf18("7","9","5","8","2","1","1") = "8"
    & skf18("7","9","5","8","2","2","1") = "8"
    & skf18("7","9","5","8","2","3","1") = "8"
    & skf18("7","9","5","8","2","4","1") = "8"
    & skf18("7","9","5","8","2","5","1") = "8"
    & skf18("7","9","5","8","2","6","1") = "8"
    & skf18("7","9","5","8","2","7","1") = "8"
    & skf18("7","9","5","8","2","8","1") = "8"
    & skf18("7","9","5","8","2","9","1") = "8"
    & skf18("7","9","5","8","2","10","1") = "9"
    & skf18("7","9","5","8","3","1","1") = "8"
    & skf18("7","9","5","8","3","2","1") = "8"
    & skf18("7","9","5","8","3","3","1") = "8"
    & skf18("7","9","5","8","3","4","1") = "8"
    & skf18("7","9","5","8","3","5","1") = "8"
    & skf18("7","9","5","8","3","6","1") = "8"
    & skf18("7","9","5","8","3","7","1") = "8"
    & skf18("7","9","5","8","3","8","1") = "8"
    & skf18("7","9","5","8","3","9","1") = "8"
    & skf18("7","9","5","8","3","10","1") = "9"
    & skf18("7","9","5","8","4","1","1") = "8"
    & skf18("7","9","5","8","4","2","1") = "8"
    & skf18("7","9","5","8","4","3","1") = "8"
    & skf18("7","9","5","8","4","4","1") = "8"
    & skf18("7","9","5","8","4","5","1") = "8"
    & skf18("7","9","5","8","4","6","1") = "8"
    & skf18("7","9","5","8","4","7","1") = "8"
    & skf18("7","9","5","8","4","8","1") = "8"
    & skf18("7","9","5","8","4","9","1") = "8"
    & skf18("7","9","5","8","4","10","1") = "9"
    & skf18("7","9","5","8","5","1","1") = "8"
    & skf18("7","9","5","8","5","2","1") = "8"
    & skf18("7","9","5","8","5","3","1") = "8"
    & skf18("7","9","5","8","5","4","1") = "8"
    & skf18("7","9","5","8","5","5","1") = "8"
    & skf18("7","9","5","8","5","6","1") = "8"
    & skf18("7","9","5","8","5","7","1") = "8"
    & skf18("7","9","5","8","5","8","1") = "8"
    & skf18("7","9","5","8","5","9","1") = "8"
    & skf18("7","9","5","8","5","10","1") = "9"
    & skf18("7","9","5","8","6","1","1") = "8"
    & skf18("7","9","5","8","6","2","1") = "8"
    & skf18("7","9","5","8","6","3","1") = "8"
    & skf18("7","9","5","8","6","4","1") = "8"
    & skf18("7","9","5","8","6","5","1") = "8"
    & skf18("7","9","5","8","6","6","1") = "8"
    & skf18("7","9","5","8","6","7","1") = "8"
    & skf18("7","9","5","8","6","8","1") = "8"
    & skf18("7","9","5","8","6","9","1") = "8"
    & skf18("7","9","5","8","6","10","1") = "9"
    & skf18("7","9","5","8","7","1","1") = "8"
    & skf18("7","9","5","8","7","2","1") = "8"
    & skf18("7","9","5","8","7","3","1") = "8"
    & skf18("7","9","5","8","7","4","1") = "8"
    & skf18("7","9","5","8","7","5","1") = "8"
    & skf18("7","9","5","8","7","6","1") = "8"
    & skf18("7","9","5","8","7","7","1") = "8"
    & skf18("7","9","5","8","7","8","1") = "8"
    & skf18("7","9","5","8","7","9","1") = "8"
    & skf18("7","9","5","8","7","10","1") = "9"
    & skf18("7","9","5","8","8","1","1") = "8"
    & skf18("7","9","5","8","8","2","1") = "8"
    & skf18("7","9","5","8","8","3","1") = "8"
    & skf18("7","9","5","8","8","4","1") = "8"
    & skf18("7","9","5","8","8","5","1") = "8"
    & skf18("7","9","5","8","8","6","1") = "8"
    & skf18("7","9","5","8","8","7","1") = "8"
    & skf18("7","9","5","8","8","8","1") = "8"
    & skf18("7","9","5","8","8","9","1") = "8"
    & skf18("7","9","5","8","8","10","1") = "9"
    & skf18("7","9","5","8","9","1","1") = "8"
    & skf18("7","9","5","8","9","2","1") = "8"
    & skf18("7","9","5","8","9","3","1") = "8"
    & skf18("7","9","5","8","9","4","1") = "8"
    & skf18("7","9","5","8","9","5","1") = "8"
    & skf18("7","9","5","8","9","6","1") = "8"
    & skf18("7","9","5","8","9","7","1") = "8"
    & skf18("7","9","5","8","9","8","1") = "8"
    & skf18("7","9","5","8","9","9","1") = "8"
    & skf18("7","9","5","8","9","10","1") = "9"
    & skf18("7","9","5","8","10","1","1") = "9"
    & skf18("7","9","5","8","10","2","1") = "9"
    & skf18("7","9","5","8","10","3","1") = "9"
    & skf18("7","9","5","8","10","4","1") = "9"
    & skf18("7","9","5","8","10","5","1") = "9"
    & skf18("7","9","5","8","10","6","1") = "9"
    & skf18("7","9","5","8","10","7","1") = "9"
    & skf18("7","9","5","8","10","8","1") = "9"
    & skf18("7","9","5","8","10","9","1") = "9"
    & skf18("7","9","5","8","10","10","1") = "9"
    & skf18("7","9","5","9","1","1","1") = "8"
    & skf18("7","9","5","9","1","2","1") = "8"
    & skf18("7","9","5","9","1","3","1") = "8"
    & skf18("7","9","5","9","1","4","1") = "8"
    & skf18("7","9","5","9","1","5","1") = "8"
    & skf18("7","9","5","9","1","6","1") = "8"
    & skf18("7","9","5","9","1","7","1") = "8"
    & skf18("7","9","5","9","1","8","1") = "8"
    & skf18("7","9","5","9","1","9","1") = "8"
    & skf18("7","9","5","9","1","10","1") = "9"
    & skf18("7","9","5","9","2","1","1") = "8"
    & skf18("7","9","5","9","2","2","1") = "8"
    & skf18("7","9","5","9","2","3","1") = "8"
    & skf18("7","9","5","9","2","4","1") = "8"
    & skf18("7","9","5","9","2","5","1") = "8"
    & skf18("7","9","5","9","2","6","1") = "8"
    & skf18("7","9","5","9","2","7","1") = "8"
    & skf18("7","9","5","9","2","8","1") = "8"
    & skf18("7","9","5","9","2","9","1") = "8"
    & skf18("7","9","5","9","2","10","1") = "9"
    & skf18("7","9","5","9","3","1","1") = "8"
    & skf18("7","9","5","9","3","2","1") = "8"
    & skf18("7","9","5","9","3","3","1") = "8"
    & skf18("7","9","5","9","3","4","1") = "8"
    & skf18("7","9","5","9","3","5","1") = "8"
    & skf18("7","9","5","9","3","6","1") = "8"
    & skf18("7","9","5","9","3","7","1") = "8"
    & skf18("7","9","5","9","3","8","1") = "8"
    & skf18("7","9","5","9","3","9","1") = "8"
    & skf18("7","9","5","9","3","10","1") = "9"
    & skf18("7","9","5","9","4","1","1") = "8"
    & skf18("7","9","5","9","4","2","1") = "8"
    & skf18("7","9","5","9","4","3","1") = "8"
    & skf18("7","9","5","9","4","4","1") = "8"
    & skf18("7","9","5","9","4","5","1") = "8"
    & skf18("7","9","5","9","4","6","1") = "8"
    & skf18("7","9","5","9","4","7","1") = "8"
    & skf18("7","9","5","9","4","8","1") = "8"
    & skf18("7","9","5","9","4","9","1") = "8"
    & skf18("7","9","5","9","4","10","1") = "9"
    & skf18("7","9","5","9","5","1","1") = "8"
    & skf18("7","9","5","9","5","2","1") = "8"
    & skf18("7","9","5","9","5","3","1") = "8"
    & skf18("7","9","5","9","5","4","1") = "8"
    & skf18("7","9","5","9","5","5","1") = "8"
    & skf18("7","9","5","9","5","6","1") = "8"
    & skf18("7","9","5","9","5","7","1") = "8"
    & skf18("7","9","5","9","5","8","1") = "8"
    & skf18("7","9","5","9","5","9","1") = "8"
    & skf18("7","9","5","9","5","10","1") = "9"
    & skf18("7","9","5","9","6","1","1") = "8"
    & skf18("7","9","5","9","6","2","1") = "8"
    & skf18("7","9","5","9","6","3","1") = "8"
    & skf18("7","9","5","9","6","4","1") = "8"
    & skf18("7","9","5","9","6","5","1") = "8"
    & skf18("7","9","5","9","6","6","1") = "8"
    & skf18("7","9","5","9","6","7","1") = "8"
    & skf18("7","9","5","9","6","8","1") = "8"
    & skf18("7","9","5","9","6","9","1") = "8"
    & skf18("7","9","5","9","6","10","1") = "9"
    & skf18("7","9","5","9","7","1","1") = "8"
    & skf18("7","9","5","9","7","2","1") = "8"
    & skf18("7","9","5","9","7","3","1") = "8"
    & skf18("7","9","5","9","7","4","1") = "8"
    & skf18("7","9","5","9","7","5","1") = "8"
    & skf18("7","9","5","9","7","6","1") = "8"
    & skf18("7","9","5","9","7","7","1") = "8"
    & skf18("7","9","5","9","7","8","1") = "8"
    & skf18("7","9","5","9","7","9","1") = "8"
    & skf18("7","9","5","9","7","10","1") = "9"
    & skf18("7","9","5","9","8","1","1") = "8"
    & skf18("7","9","5","9","8","2","1") = "8"
    & skf18("7","9","5","9","8","3","1") = "8"
    & skf18("7","9","5","9","8","4","1") = "8"
    & skf18("7","9","5","9","8","5","1") = "8"
    & skf18("7","9","5","9","8","6","1") = "8"
    & skf18("7","9","5","9","8","7","1") = "8"
    & skf18("7","9","5","9","8","8","1") = "8"
    & skf18("7","9","5","9","8","9","1") = "8"
    & skf18("7","9","5","9","8","10","1") = "9"
    & skf18("7","9","5","9","9","1","1") = "8"
    & skf18("7","9","5","9","9","2","1") = "8"
    & skf18("7","9","5","9","9","3","1") = "8"
    & skf18("7","9","5","9","9","4","1") = "8"
    & skf18("7","9","5","9","9","5","1") = "8"
    & skf18("7","9","5","9","9","6","1") = "8"
    & skf18("7","9","5","9","9","7","1") = "8"
    & skf18("7","9","5","9","9","8","1") = "8"
    & skf18("7","9","5","9","9","9","1") = "8"
    & skf18("7","9","5","9","9","10","1") = "9"
    & skf18("7","9","5","9","10","1","1") = "9"
    & skf18("7","9","5","9","10","2","1") = "9"
    & skf18("7","9","5","9","10","3","1") = "9"
    & skf18("7","9","5","9","10","4","1") = "9"
    & skf18("7","9","5","9","10","5","1") = "9"
    & skf18("7","9","5","9","10","6","1") = "9"
    & skf18("7","9","5","9","10","7","1") = "9"
    & skf18("7","9","5","9","10","8","1") = "9"
    & skf18("7","9","5","9","10","9","1") = "9"
    & skf18("7","9","5","9","10","10","1") = "9"
    & skf18("7","9","5","10","1","1","1") = "9"
    & skf18("7","9","5","10","1","2","1") = "9"
    & skf18("7","9","5","10","1","3","1") = "9"
    & skf18("7","9","5","10","1","4","1") = "9"
    & skf18("7","9","5","10","1","5","1") = "9"
    & skf18("7","9","5","10","1","6","1") = "9"
    & skf18("7","9","5","10","1","7","1") = "9"
    & skf18("7","9","5","10","1","8","1") = "9"
    & skf18("7","9","5","10","1","9","1") = "9"
    & skf18("7","9","5","10","1","10","1") = "9"
    & skf18("7","9","5","10","2","1","1") = "9"
    & skf18("7","9","5","10","2","2","1") = "9"
    & skf18("7","9","5","10","2","3","1") = "9"
    & skf18("7","9","5","10","2","4","1") = "9"
    & skf18("7","9","5","10","2","5","1") = "9"
    & skf18("7","9","5","10","2","6","1") = "9"
    & skf18("7","9","5","10","2","7","1") = "9"
    & skf18("7","9","5","10","2","8","1") = "9"
    & skf18("7","9","5","10","2","9","1") = "9"
    & skf18("7","9","5","10","2","10","1") = "9"
    & skf18("7","9","5","10","3","1","1") = "9"
    & skf18("7","9","5","10","3","2","1") = "9"
    & skf18("7","9","5","10","3","3","1") = "9"
    & skf18("7","9","5","10","3","4","1") = "9"
    & skf18("7","9","5","10","3","5","1") = "9"
    & skf18("7","9","5","10","3","6","1") = "9"
    & skf18("7","9","5","10","3","7","1") = "9"
    & skf18("7","9","5","10","3","8","1") = "9"
    & skf18("7","9","5","10","3","9","1") = "9"
    & skf18("7","9","5","10","3","10","1") = "9"
    & skf18("7","9","5","10","4","1","1") = "9"
    & skf18("7","9","5","10","4","2","1") = "9"
    & skf18("7","9","5","10","4","3","1") = "9"
    & skf18("7","9","5","10","4","4","1") = "9"
    & skf18("7","9","5","10","4","5","1") = "9"
    & skf18("7","9","5","10","4","6","1") = "9"
    & skf18("7","9","5","10","4","7","1") = "9"
    & skf18("7","9","5","10","4","8","1") = "9"
    & skf18("7","9","5","10","4","9","1") = "9"
    & skf18("7","9","5","10","4","10","1") = "9"
    & skf18("7","9","5","10","5","1","1") = "9"
    & skf18("7","9","5","10","5","2","1") = "9"
    & skf18("7","9","5","10","5","3","1") = "9"
    & skf18("7","9","5","10","5","4","1") = "9"
    & skf18("7","9","5","10","5","5","1") = "9"
    & skf18("7","9","5","10","5","6","1") = "9"
    & skf18("7","9","5","10","5","7","1") = "9"
    & skf18("7","9","5","10","5","8","1") = "9"
    & skf18("7","9","5","10","5","9","1") = "9"
    & skf18("7","9","5","10","5","10","1") = "9"
    & skf18("7","9","5","10","6","1","1") = "9"
    & skf18("7","9","5","10","6","2","1") = "9"
    & skf18("7","9","5","10","6","3","1") = "9"
    & skf18("7","9","5","10","6","4","1") = "9"
    & skf18("7","9","5","10","6","5","1") = "9"
    & skf18("7","9","5","10","6","6","1") = "9"
    & skf18("7","9","5","10","6","7","1") = "9"
    & skf18("7","9","5","10","6","8","1") = "9"
    & skf18("7","9","5","10","6","9","1") = "9"
    & skf18("7","9","5","10","6","10","1") = "9"
    & skf18("7","9","5","10","7","1","1") = "9"
    & skf18("7","9","5","10","7","2","1") = "9"
    & skf18("7","9","5","10","7","3","1") = "9"
    & skf18("7","9","5","10","7","4","1") = "9"
    & skf18("7","9","5","10","7","5","1") = "9"
    & skf18("7","9","5","10","7","6","1") = "9"
    & skf18("7","9","5","10","7","7","1") = "9"
    & skf18("7","9","5","10","7","8","1") = "9"
    & skf18("7","9","5","10","7","9","1") = "9"
    & skf18("7","9","5","10","7","10","1") = "9"
    & skf18("7","9","5","10","8","1","1") = "9"
    & skf18("7","9","5","10","8","2","1") = "9"
    & skf18("7","9","5","10","8","3","1") = "9"
    & skf18("7","9","5","10","8","4","1") = "9"
    & skf18("7","9","5","10","8","5","1") = "9"
    & skf18("7","9","5","10","8","6","1") = "9"
    & skf18("7","9","5","10","8","7","1") = "9"
    & skf18("7","9","5","10","8","8","1") = "9"
    & skf18("7","9","5","10","8","9","1") = "9"
    & skf18("7","9","5","10","8","10","1") = "9"
    & skf18("7","9","5","10","9","1","1") = "9"
    & skf18("7","9","5","10","9","2","1") = "9"
    & skf18("7","9","5","10","9","3","1") = "9"
    & skf18("7","9","5","10","9","4","1") = "9"
    & skf18("7","9","5","10","9","5","1") = "9"
    & skf18("7","9","5","10","9","6","1") = "9"
    & skf18("7","9","5","10","9","7","1") = "9"
    & skf18("7","9","5","10","9","8","1") = "9"
    & skf18("7","9","5","10","9","9","1") = "9"
    & skf18("7","9","5","10","9","10","1") = "9"
    & skf18("7","9","5","10","10","1","1") = "9"
    & skf18("7","9","5","10","10","2","1") = "9"
    & skf18("7","9","5","10","10","3","1") = "9"
    & skf18("7","9","5","10","10","4","1") = "9"
    & skf18("7","9","5","10","10","5","1") = "9"
    & skf18("7","9","5","10","10","6","1") = "9"
    & skf18("7","9","5","10","10","7","1") = "9"
    & skf18("7","9","5","10","10","8","1") = "9"
    & skf18("7","9","5","10","10","9","1") = "9"
    & skf18("7","9","5","10","10","10","1") = "9"
    & skf18("7","9","6","1","1","1","1") = "8"
    & skf18("7","9","6","1","1","2","1") = "8"
    & skf18("7","9","6","1","1","3","1") = "8"
    & skf18("7","9","6","1","1","4","1") = "8"
    & skf18("7","9","6","1","1","5","1") = "8"
    & skf18("7","9","6","1","1","6","1") = "8"
    & skf18("7","9","6","1","1","7","1") = "8"
    & skf18("7","9","6","1","1","8","1") = "8"
    & skf18("7","9","6","1","1","9","1") = "8"
    & skf18("7","9","6","1","1","10","1") = "9"
    & skf18("7","9","6","1","2","1","1") = "8"
    & skf18("7","9","6","1","2","2","1") = "8"
    & skf18("7","9","6","1","2","3","1") = "8"
    & skf18("7","9","6","1","2","4","1") = "8"
    & skf18("7","9","6","1","2","5","1") = "8"
    & skf18("7","9","6","1","2","6","1") = "8"
    & skf18("7","9","6","1","2","7","1") = "8"
    & skf18("7","9","6","1","2","8","1") = "8"
    & skf18("7","9","6","1","2","9","1") = "8"
    & skf18("7","9","6","1","2","10","1") = "9"
    & skf18("7","9","6","1","3","1","1") = "8"
    & skf18("7","9","6","1","3","2","1") = "8"
    & skf18("7","9","6","1","3","3","1") = "8"
    & skf18("7","9","6","1","3","4","1") = "8"
    & skf18("7","9","6","1","3","5","1") = "8"
    & skf18("7","9","6","1","3","6","1") = "8"
    & skf18("7","9","6","1","3","7","1") = "8"
    & skf18("7","9","6","1","3","8","1") = "8"
    & skf18("7","9","6","1","3","9","1") = "8"
    & skf18("7","9","6","1","3","10","1") = "9"
    & skf18("7","9","6","1","4","1","1") = "8"
    & skf18("7","9","6","1","4","2","1") = "8"
    & skf18("7","9","6","1","4","3","1") = "8"
    & skf18("7","9","6","1","4","4","1") = "8"
    & skf18("7","9","6","1","4","5","1") = "8"
    & skf18("7","9","6","1","4","6","1") = "8"
    & skf18("7","9","6","1","4","7","1") = "8"
    & skf18("7","9","6","1","4","8","1") = "8"
    & skf18("7","9","6","1","4","9","1") = "8"
    & skf18("7","9","6","1","4","10","1") = "9"
    & skf18("7","9","6","1","5","1","1") = "8"
    & skf18("7","9","6","1","5","2","1") = "8"
    & skf18("7","9","6","1","5","3","1") = "8"
    & skf18("7","9","6","1","5","4","1") = "8"
    & skf18("7","9","6","1","5","5","1") = "8"
    & skf18("7","9","6","1","5","6","1") = "8"
    & skf18("7","9","6","1","5","7","1") = "8"
    & skf18("7","9","6","1","5","8","1") = "8"
    & skf18("7","9","6","1","5","9","1") = "8"
    & skf18("7","9","6","1","5","10","1") = "9"
    & skf18("7","9","6","1","6","1","1") = "8"
    & skf18("7","9","6","1","6","2","1") = "8"
    & skf18("7","9","6","1","6","3","1") = "8"
    & skf18("7","9","6","1","6","4","1") = "8"
    & skf18("7","9","6","1","6","5","1") = "8"
    & skf18("7","9","6","1","6","6","1") = "8"
    & skf18("7","9","6","1","6","7","1") = "8"
    & skf18("7","9","6","1","6","8","1") = "8"
    & skf18("7","9","6","1","6","9","1") = "8"
    & skf18("7","9","6","1","6","10","1") = "9"
    & skf18("7","9","6","1","7","1","1") = "8"
    & skf18("7","9","6","1","7","2","1") = "8"
    & skf18("7","9","6","1","7","3","1") = "8"
    & skf18("7","9","6","1","7","4","1") = "8"
    & skf18("7","9","6","1","7","5","1") = "8"
    & skf18("7","9","6","1","7","6","1") = "8"
    & skf18("7","9","6","1","7","7","1") = "8"
    & skf18("7","9","6","1","7","8","1") = "8"
    & skf18("7","9","6","1","7","9","1") = "8"
    & skf18("7","9","6","1","7","10","1") = "9"
    & skf18("7","9","6","1","8","1","1") = "8"
    & skf18("7","9","6","1","8","2","1") = "8"
    & skf18("7","9","6","1","8","3","1") = "8"
    & skf18("7","9","6","1","8","4","1") = "8"
    & skf18("7","9","6","1","8","5","1") = "8"
    & skf18("7","9","6","1","8","6","1") = "8"
    & skf18("7","9","6","1","8","7","1") = "8"
    & skf18("7","9","6","1","8","8","1") = "8"
    & skf18("7","9","6","1","8","9","1") = "8"
    & skf18("7","9","6","1","8","10","1") = "9"
    & skf18("7","9","6","1","9","1","1") = "8"
    & skf18("7","9","6","1","9","2","1") = "8"
    & skf18("7","9","6","1","9","3","1") = "8"
    & skf18("7","9","6","1","9","4","1") = "8"
    & skf18("7","9","6","1","9","5","1") = "8"
    & skf18("7","9","6","1","9","6","1") = "8"
    & skf18("7","9","6","1","9","7","1") = "8"
    & skf18("7","9","6","1","9","8","1") = "8"
    & skf18("7","9","6","1","9","9","1") = "8"
    & skf18("7","9","6","1","9","10","1") = "9"
    & skf18("7","9","6","1","10","1","1") = "9"
    & skf18("7","9","6","1","10","2","1") = "9"
    & skf18("7","9","6","1","10","3","1") = "9"
    & skf18("7","9","6","1","10","4","1") = "9"
    & skf18("7","9","6","1","10","5","1") = "9"
    & skf18("7","9","6","1","10","6","1") = "9"
    & skf18("7","9","6","1","10","7","1") = "9"
    & skf18("7","9","6","1","10","8","1") = "9"
    & skf18("7","9","6","1","10","9","1") = "9"
    & skf18("7","9","6","1","10","10","1") = "9"
    & skf18("7","9","6","2","1","1","1") = "8"
    & skf18("7","9","6","2","1","2","1") = "8"
    & skf18("7","9","6","2","1","3","1") = "8"
    & skf18("7","9","6","2","1","4","1") = "8"
    & skf18("7","9","6","2","1","5","1") = "8"
    & skf18("7","9","6","2","1","6","1") = "8"
    & skf18("7","9","6","2","1","7","1") = "8"
    & skf18("7","9","6","2","1","8","1") = "8"
    & skf18("7","9","6","2","1","9","1") = "8"
    & skf18("7","9","6","2","1","10","1") = "9"
    & skf18("7","9","6","2","2","1","1") = "8"
    & skf18("7","9","6","2","2","2","1") = "8"
    & skf18("7","9","6","2","2","3","1") = "8"
    & skf18("7","9","6","2","2","4","1") = "8"
    & skf18("7","9","6","2","2","5","1") = "8"
    & skf18("7","9","6","2","2","6","1") = "8"
    & skf18("7","9","6","2","2","7","1") = "8"
    & skf18("7","9","6","2","2","8","1") = "8"
    & skf18("7","9","6","2","2","9","1") = "8"
    & skf18("7","9","6","2","2","10","1") = "9"
    & skf18("7","9","6","2","3","1","1") = "8"
    & skf18("7","9","6","2","3","2","1") = "8"
    & skf18("7","9","6","2","3","3","1") = "8"
    & skf18("7","9","6","2","3","4","1") = "8"
    & skf18("7","9","6","2","3","5","1") = "8"
    & skf18("7","9","6","2","3","6","1") = "8"
    & skf18("7","9","6","2","3","7","1") = "8"
    & skf18("7","9","6","2","3","8","1") = "8"
    & skf18("7","9","6","2","3","9","1") = "8"
    & skf18("7","9","6","2","3","10","1") = "9"
    & skf18("7","9","6","2","4","1","1") = "8"
    & skf18("7","9","6","2","4","2","1") = "8"
    & skf18("7","9","6","2","4","3","1") = "8"
    & skf18("7","9","6","2","4","4","1") = "8"
    & skf18("7","9","6","2","4","5","1") = "8"
    & skf18("7","9","6","2","4","6","1") = "8"
    & skf18("7","9","6","2","4","7","1") = "8"
    & skf18("7","9","6","2","4","8","1") = "8"
    & skf18("7","9","6","2","4","9","1") = "8"
    & skf18("7","9","6","2","4","10","1") = "9"
    & skf18("7","9","6","2","5","1","1") = "8"
    & skf18("7","9","6","2","5","2","1") = "8"
    & skf18("7","9","6","2","5","3","1") = "8"
    & skf18("7","9","6","2","5","4","1") = "8"
    & skf18("7","9","6","2","5","5","1") = "8"
    & skf18("7","9","6","2","5","6","1") = "8"
    & skf18("7","9","6","2","5","7","1") = "8"
    & skf18("7","9","6","2","5","8","1") = "8"
    & skf18("7","9","6","2","5","9","1") = "8"
    & skf18("7","9","6","2","5","10","1") = "9"
    & skf18("7","9","6","2","6","1","1") = "8"
    & skf18("7","9","6","2","6","2","1") = "8"
    & skf18("7","9","6","2","6","3","1") = "8"
    & skf18("7","9","6","2","6","4","1") = "8"
    & skf18("7","9","6","2","6","5","1") = "8"
    & skf18("7","9","6","2","6","6","1") = "8"
    & skf18("7","9","6","2","6","7","1") = "8"
    & skf18("7","9","6","2","6","8","1") = "8"
    & skf18("7","9","6","2","6","9","1") = "8"
    & skf18("7","9","6","2","6","10","1") = "9"
    & skf18("7","9","6","2","7","1","1") = "8"
    & skf18("7","9","6","2","7","2","1") = "8"
    & skf18("7","9","6","2","7","3","1") = "8"
    & skf18("7","9","6","2","7","4","1") = "8"
    & skf18("7","9","6","2","7","5","1") = "8"
    & skf18("7","9","6","2","7","6","1") = "8"
    & skf18("7","9","6","2","7","7","1") = "8"
    & skf18("7","9","6","2","7","8","1") = "8"
    & skf18("7","9","6","2","7","9","1") = "8"
    & skf18("7","9","6","2","7","10","1") = "9"
    & skf18("7","9","6","2","8","1","1") = "8"
    & skf18("7","9","6","2","8","2","1") = "8"
    & skf18("7","9","6","2","8","3","1") = "8"
    & skf18("7","9","6","2","8","4","1") = "8"
    & skf18("7","9","6","2","8","5","1") = "8"
    & skf18("7","9","6","2","8","6","1") = "8"
    & skf18("7","9","6","2","8","7","1") = "8"
    & skf18("7","9","6","2","8","8","1") = "8"
    & skf18("7","9","6","2","8","9","1") = "8"
    & skf18("7","9","6","2","8","10","1") = "9"
    & skf18("7","9","6","2","9","1","1") = "8"
    & skf18("7","9","6","2","9","2","1") = "8"
    & skf18("7","9","6","2","9","3","1") = "8"
    & skf18("7","9","6","2","9","4","1") = "8"
    & skf18("7","9","6","2","9","5","1") = "8"
    & skf18("7","9","6","2","9","6","1") = "8"
    & skf18("7","9","6","2","9","7","1") = "8"
    & skf18("7","9","6","2","9","8","1") = "8"
    & skf18("7","9","6","2","9","9","1") = "8"
    & skf18("7","9","6","2","9","10","1") = "9"
    & skf18("7","9","6","2","10","1","1") = "9"
    & skf18("7","9","6","2","10","2","1") = "9"
    & skf18("7","9","6","2","10","3","1") = "9"
    & skf18("7","9","6","2","10","4","1") = "9"
    & skf18("7","9","6","2","10","5","1") = "9"
    & skf18("7","9","6","2","10","6","1") = "9"
    & skf18("7","9","6","2","10","7","1") = "9"
    & skf18("7","9","6","2","10","8","1") = "9"
    & skf18("7","9","6","2","10","9","1") = "9"
    & skf18("7","9","6","2","10","10","1") = "9"
    & skf18("7","9","6","3","1","1","1") = "8"
    & skf18("7","9","6","3","1","2","1") = "8"
    & skf18("7","9","6","3","1","3","1") = "8"
    & skf18("7","9","6","3","1","4","1") = "8"
    & skf18("7","9","6","3","1","5","1") = "8"
    & skf18("7","9","6","3","1","6","1") = "8"
    & skf18("7","9","6","3","1","7","1") = "8"
    & skf18("7","9","6","3","1","8","1") = "8"
    & skf18("7","9","6","3","1","9","1") = "8"
    & skf18("7","9","6","3","1","10","1") = "9"
    & skf18("7","9","6","3","2","1","1") = "8"
    & skf18("7","9","6","3","2","2","1") = "8"
    & skf18("7","9","6","3","2","3","1") = "8"
    & skf18("7","9","6","3","2","4","1") = "8"
    & skf18("7","9","6","3","2","5","1") = "8"
    & skf18("7","9","6","3","2","6","1") = "8"
    & skf18("7","9","6","3","2","7","1") = "8"
    & skf18("7","9","6","3","2","8","1") = "8"
    & skf18("7","9","6","3","2","9","1") = "8"
    & skf18("7","9","6","3","2","10","1") = "9"
    & skf18("7","9","6","3","3","1","1") = "8"
    & skf18("7","9","6","3","3","2","1") = "8"
    & skf18("7","9","6","3","3","3","1") = "8"
    & skf18("7","9","6","3","3","4","1") = "8"
    & skf18("7","9","6","3","3","5","1") = "8"
    & skf18("7","9","6","3","3","6","1") = "8"
    & skf18("7","9","6","3","3","7","1") = "8"
    & skf18("7","9","6","3","3","8","1") = "8"
    & skf18("7","9","6","3","3","9","1") = "8"
    & skf18("7","9","6","3","3","10","1") = "9"
    & skf18("7","9","6","3","4","1","1") = "8"
    & skf18("7","9","6","3","4","2","1") = "8"
    & skf18("7","9","6","3","4","3","1") = "8"
    & skf18("7","9","6","3","4","4","1") = "8"
    & skf18("7","9","6","3","4","5","1") = "8"
    & skf18("7","9","6","3","4","6","1") = "8"
    & skf18("7","9","6","3","4","7","1") = "8"
    & skf18("7","9","6","3","4","8","1") = "8"
    & skf18("7","9","6","3","4","9","1") = "8"
    & skf18("7","9","6","3","4","10","1") = "9"
    & skf18("7","9","6","3","5","1","1") = "8"
    & skf18("7","9","6","3","5","2","1") = "8"
    & skf18("7","9","6","3","5","3","1") = "8"
    & skf18("7","9","6","3","5","4","1") = "8"
    & skf18("7","9","6","3","5","5","1") = "8"
    & skf18("7","9","6","3","5","6","1") = "8"
    & skf18("7","9","6","3","5","7","1") = "8"
    & skf18("7","9","6","3","5","8","1") = "8"
    & skf18("7","9","6","3","5","9","1") = "8"
    & skf18("7","9","6","3","5","10","1") = "9"
    & skf18("7","9","6","3","6","1","1") = "8"
    & skf18("7","9","6","3","6","2","1") = "8"
    & skf18("7","9","6","3","6","3","1") = "8"
    & skf18("7","9","6","3","6","4","1") = "8"
    & skf18("7","9","6","3","6","5","1") = "8"
    & skf18("7","9","6","3","6","6","1") = "8"
    & skf18("7","9","6","3","6","7","1") = "8"
    & skf18("7","9","6","3","6","8","1") = "8"
    & skf18("7","9","6","3","6","9","1") = "8"
    & skf18("7","9","6","3","6","10","1") = "9"
    & skf18("7","9","6","3","7","1","1") = "8"
    & skf18("7","9","6","3","7","2","1") = "8"
    & skf18("7","9","6","3","7","3","1") = "8"
    & skf18("7","9","6","3","7","4","1") = "8"
    & skf18("7","9","6","3","7","5","1") = "8"
    & skf18("7","9","6","3","7","6","1") = "8"
    & skf18("7","9","6","3","7","7","1") = "8"
    & skf18("7","9","6","3","7","8","1") = "8"
    & skf18("7","9","6","3","7","9","1") = "8"
    & skf18("7","9","6","3","7","10","1") = "9"
    & skf18("7","9","6","3","8","1","1") = "8"
    & skf18("7","9","6","3","8","2","1") = "8"
    & skf18("7","9","6","3","8","3","1") = "8"
    & skf18("7","9","6","3","8","4","1") = "8"
    & skf18("7","9","6","3","8","5","1") = "8"
    & skf18("7","9","6","3","8","6","1") = "8"
    & skf18("7","9","6","3","8","7","1") = "8"
    & skf18("7","9","6","3","8","8","1") = "8"
    & skf18("7","9","6","3","8","9","1") = "8"
    & skf18("7","9","6","3","8","10","1") = "9"
    & skf18("7","9","6","3","9","1","1") = "8"
    & skf18("7","9","6","3","9","2","1") = "8"
    & skf18("7","9","6","3","9","3","1") = "8"
    & skf18("7","9","6","3","9","4","1") = "8"
    & skf18("7","9","6","3","9","5","1") = "8"
    & skf18("7","9","6","3","9","6","1") = "8"
    & skf18("7","9","6","3","9","7","1") = "8"
    & skf18("7","9","6","3","9","8","1") = "8"
    & skf18("7","9","6","3","9","9","1") = "8"
    & skf18("7","9","6","3","9","10","1") = "9"
    & skf18("7","9","6","3","10","1","1") = "9"
    & skf18("7","9","6","3","10","2","1") = "9"
    & skf18("7","9","6","3","10","3","1") = "9"
    & skf18("7","9","6","3","10","4","1") = "9"
    & skf18("7","9","6","3","10","5","1") = "9"
    & skf18("7","9","6","3","10","6","1") = "9"
    & skf18("7","9","6","3","10","7","1") = "9"
    & skf18("7","9","6","3","10","8","1") = "9"
    & skf18("7","9","6","3","10","9","1") = "9"
    & skf18("7","9","6","3","10","10","1") = "9"
    & skf18("7","9","6","4","1","1","1") = "8"
    & skf18("7","9","6","4","1","2","1") = "8"
    & skf18("7","9","6","4","1","3","1") = "8"
    & skf18("7","9","6","4","1","4","1") = "8"
    & skf18("7","9","6","4","1","5","1") = "8"
    & skf18("7","9","6","4","1","6","1") = "8"
    & skf18("7","9","6","4","1","7","1") = "8"
    & skf18("7","9","6","4","1","8","1") = "8"
    & skf18("7","9","6","4","1","9","1") = "8"
    & skf18("7","9","6","4","1","10","1") = "9"
    & skf18("7","9","6","4","2","1","1") = "8"
    & skf18("7","9","6","4","2","2","1") = "8"
    & skf18("7","9","6","4","2","3","1") = "8"
    & skf18("7","9","6","4","2","4","1") = "8"
    & skf18("7","9","6","4","2","5","1") = "8"
    & skf18("7","9","6","4","2","6","1") = "8"
    & skf18("7","9","6","4","2","7","1") = "8"
    & skf18("7","9","6","4","2","8","1") = "8"
    & skf18("7","9","6","4","2","9","1") = "8"
    & skf18("7","9","6","4","2","10","1") = "9"
    & skf18("7","9","6","4","3","1","1") = "8"
    & skf18("7","9","6","4","3","2","1") = "8"
    & skf18("7","9","6","4","3","3","1") = "8"
    & skf18("7","9","6","4","3","4","1") = "8"
    & skf18("7","9","6","4","3","5","1") = "8"
    & skf18("7","9","6","4","3","6","1") = "8"
    & skf18("7","9","6","4","3","7","1") = "8"
    & skf18("7","9","6","4","3","8","1") = "8"
    & skf18("7","9","6","4","3","9","1") = "8"
    & skf18("7","9","6","4","3","10","1") = "9"
    & skf18("7","9","6","4","4","1","1") = "8"
    & skf18("7","9","6","4","4","2","1") = "8"
    & skf18("7","9","6","4","4","3","1") = "8"
    & skf18("7","9","6","4","4","4","1") = "8"
    & skf18("7","9","6","4","4","5","1") = "8"
    & skf18("7","9","6","4","4","6","1") = "8"
    & skf18("7","9","6","4","4","7","1") = "8"
    & skf18("7","9","6","4","4","8","1") = "8"
    & skf18("7","9","6","4","4","9","1") = "8"
    & skf18("7","9","6","4","4","10","1") = "9"
    & skf18("7","9","6","4","5","1","1") = "8"
    & skf18("7","9","6","4","5","2","1") = "8"
    & skf18("7","9","6","4","5","3","1") = "8"
    & skf18("7","9","6","4","5","4","1") = "8"
    & skf18("7","9","6","4","5","5","1") = "8"
    & skf18("7","9","6","4","5","6","1") = "8"
    & skf18("7","9","6","4","5","7","1") = "8"
    & skf18("7","9","6","4","5","8","1") = "8"
    & skf18("7","9","6","4","5","9","1") = "8"
    & skf18("7","9","6","4","5","10","1") = "9"
    & skf18("7","9","6","4","6","1","1") = "8"
    & skf18("7","9","6","4","6","2","1") = "8"
    & skf18("7","9","6","4","6","3","1") = "8"
    & skf18("7","9","6","4","6","4","1") = "8"
    & skf18("7","9","6","4","6","5","1") = "8"
    & skf18("7","9","6","4","6","6","1") = "8"
    & skf18("7","9","6","4","6","7","1") = "8"
    & skf18("7","9","6","4","6","8","1") = "8"
    & skf18("7","9","6","4","6","9","1") = "8"
    & skf18("7","9","6","4","6","10","1") = "9"
    & skf18("7","9","6","4","7","1","1") = "8"
    & skf18("7","9","6","4","7","2","1") = "8"
    & skf18("7","9","6","4","7","3","1") = "8"
    & skf18("7","9","6","4","7","4","1") = "8"
    & skf18("7","9","6","4","7","5","1") = "8"
    & skf18("7","9","6","4","7","6","1") = "8"
    & skf18("7","9","6","4","7","7","1") = "8"
    & skf18("7","9","6","4","7","8","1") = "8"
    & skf18("7","9","6","4","7","9","1") = "8"
    & skf18("7","9","6","4","7","10","1") = "9"
    & skf18("7","9","6","4","8","1","1") = "8"
    & skf18("7","9","6","4","8","2","1") = "8"
    & skf18("7","9","6","4","8","3","1") = "8"
    & skf18("7","9","6","4","8","4","1") = "8"
    & skf18("7","9","6","4","8","5","1") = "8"
    & skf18("7","9","6","4","8","6","1") = "8"
    & skf18("7","9","6","4","8","7","1") = "8"
    & skf18("7","9","6","4","8","8","1") = "8"
    & skf18("7","9","6","4","8","9","1") = "8"
    & skf18("7","9","6","4","8","10","1") = "9"
    & skf18("7","9","6","4","9","1","1") = "8"
    & skf18("7","9","6","4","9","2","1") = "8"
    & skf18("7","9","6","4","9","3","1") = "8"
    & skf18("7","9","6","4","9","4","1") = "8"
    & skf18("7","9","6","4","9","5","1") = "8"
    & skf18("7","9","6","4","9","6","1") = "8"
    & skf18("7","9","6","4","9","7","1") = "8"
    & skf18("7","9","6","4","9","8","1") = "8"
    & skf18("7","9","6","4","9","9","1") = "8"
    & skf18("7","9","6","4","9","10","1") = "9"
    & skf18("7","9","6","4","10","1","1") = "9"
    & skf18("7","9","6","4","10","2","1") = "9"
    & skf18("7","9","6","4","10","3","1") = "9"
    & skf18("7","9","6","4","10","4","1") = "9"
    & skf18("7","9","6","4","10","5","1") = "9"
    & skf18("7","9","6","4","10","6","1") = "9"
    & skf18("7","9","6","4","10","7","1") = "9"
    & skf18("7","9","6","4","10","8","1") = "9"
    & skf18("7","9","6","4","10","9","1") = "9"
    & skf18("7","9","6","4","10","10","1") = "9"
    & skf18("7","9","6","5","1","1","1") = "8"
    & skf18("7","9","6","5","1","2","1") = "8"
    & skf18("7","9","6","5","1","3","1") = "8"
    & skf18("7","9","6","5","1","4","1") = "8"
    & skf18("7","9","6","5","1","5","1") = "8"
    & skf18("7","9","6","5","1","6","1") = "8"
    & skf18("7","9","6","5","1","7","1") = "8"
    & skf18("7","9","6","5","1","8","1") = "8"
    & skf18("7","9","6","5","1","9","1") = "8"
    & skf18("7","9","6","5","1","10","1") = "9"
    & skf18("7","9","6","5","2","1","1") = "8"
    & skf18("7","9","6","5","2","2","1") = "8"
    & skf18("7","9","6","5","2","3","1") = "8"
    & skf18("7","9","6","5","2","4","1") = "8"
    & skf18("7","9","6","5","2","5","1") = "8"
    & skf18("7","9","6","5","2","6","1") = "8"
    & skf18("7","9","6","5","2","7","1") = "8"
    & skf18("7","9","6","5","2","8","1") = "8"
    & skf18("7","9","6","5","2","9","1") = "8"
    & skf18("7","9","6","5","2","10","1") = "9"
    & skf18("7","9","6","5","3","1","1") = "8"
    & skf18("7","9","6","5","3","2","1") = "8"
    & skf18("7","9","6","5","3","3","1") = "8"
    & skf18("7","9","6","5","3","4","1") = "8"
    & skf18("7","9","6","5","3","5","1") = "8"
    & skf18("7","9","6","5","3","6","1") = "8"
    & skf18("7","9","6","5","3","7","1") = "8"
    & skf18("7","9","6","5","3","8","1") = "8"
    & skf18("7","9","6","5","3","9","1") = "8"
    & skf18("7","9","6","5","3","10","1") = "9"
    & skf18("7","9","6","5","4","1","1") = "8"
    & skf18("7","9","6","5","4","2","1") = "8"
    & skf18("7","9","6","5","4","3","1") = "8"
    & skf18("7","9","6","5","4","4","1") = "8"
    & skf18("7","9","6","5","4","5","1") = "8"
    & skf18("7","9","6","5","4","6","1") = "8"
    & skf18("7","9","6","5","4","7","1") = "8"
    & skf18("7","9","6","5","4","8","1") = "8"
    & skf18("7","9","6","5","4","9","1") = "8"
    & skf18("7","9","6","5","4","10","1") = "9"
    & skf18("7","9","6","5","5","1","1") = "8"
    & skf18("7","9","6","5","5","2","1") = "8"
    & skf18("7","9","6","5","5","3","1") = "8"
    & skf18("7","9","6","5","5","4","1") = "8"
    & skf18("7","9","6","5","5","5","1") = "8"
    & skf18("7","9","6","5","5","6","1") = "8"
    & skf18("7","9","6","5","5","7","1") = "8"
    & skf18("7","9","6","5","5","8","1") = "8"
    & skf18("7","9","6","5","5","9","1") = "8"
    & skf18("7","9","6","5","5","10","1") = "9"
    & skf18("7","9","6","5","6","1","1") = "8"
    & skf18("7","9","6","5","6","2","1") = "8"
    & skf18("7","9","6","5","6","3","1") = "8"
    & skf18("7","9","6","5","6","4","1") = "8"
    & skf18("7","9","6","5","6","5","1") = "8"
    & skf18("7","9","6","5","6","6","1") = "8"
    & skf18("7","9","6","5","6","7","1") = "8"
    & skf18("7","9","6","5","6","8","1") = "8"
    & skf18("7","9","6","5","6","9","1") = "8"
    & skf18("7","9","6","5","6","10","1") = "9"
    & skf18("7","9","6","5","7","1","1") = "8"
    & skf18("7","9","6","5","7","2","1") = "8"
    & skf18("7","9","6","5","7","3","1") = "8"
    & skf18("7","9","6","5","7","4","1") = "8"
    & skf18("7","9","6","5","7","5","1") = "8"
    & skf18("7","9","6","5","7","6","1") = "8"
    & skf18("7","9","6","5","7","7","1") = "8"
    & skf18("7","9","6","5","7","8","1") = "8"
    & skf18("7","9","6","5","7","9","1") = "8"
    & skf18("7","9","6","5","7","10","1") = "9"
    & skf18("7","9","6","5","8","1","1") = "8"
    & skf18("7","9","6","5","8","2","1") = "8"
    & skf18("7","9","6","5","8","3","1") = "8"
    & skf18("7","9","6","5","8","4","1") = "8"
    & skf18("7","9","6","5","8","5","1") = "8"
    & skf18("7","9","6","5","8","6","1") = "8"
    & skf18("7","9","6","5","8","7","1") = "8"
    & skf18("7","9","6","5","8","8","1") = "8"
    & skf18("7","9","6","5","8","9","1") = "8"
    & skf18("7","9","6","5","8","10","1") = "9"
    & skf18("7","9","6","5","9","1","1") = "8"
    & skf18("7","9","6","5","9","2","1") = "8"
    & skf18("7","9","6","5","9","3","1") = "8"
    & skf18("7","9","6","5","9","4","1") = "8"
    & skf18("7","9","6","5","9","5","1") = "8"
    & skf18("7","9","6","5","9","6","1") = "8"
    & skf18("7","9","6","5","9","7","1") = "8"
    & skf18("7","9","6","5","9","8","1") = "8"
    & skf18("7","9","6","5","9","9","1") = "8"
    & skf18("7","9","6","5","9","10","1") = "9"
    & skf18("7","9","6","5","10","1","1") = "9"
    & skf18("7","9","6","5","10","2","1") = "9"
    & skf18("7","9","6","5","10","3","1") = "9"
    & skf18("7","9","6","5","10","4","1") = "9"
    & skf18("7","9","6","5","10","5","1") = "9"
    & skf18("7","9","6","5","10","6","1") = "9"
    & skf18("7","9","6","5","10","7","1") = "9"
    & skf18("7","9","6","5","10","8","1") = "9"
    & skf18("7","9","6","5","10","9","1") = "9"
    & skf18("7","9","6","5","10","10","1") = "9"
    & skf18("7","9","6","6","1","1","1") = "8"
    & skf18("7","9","6","6","1","2","1") = "8"
    & skf18("7","9","6","6","1","3","1") = "8"
    & skf18("7","9","6","6","1","4","1") = "8"
    & skf18("7","9","6","6","1","5","1") = "8"
    & skf18("7","9","6","6","1","6","1") = "8"
    & skf18("7","9","6","6","1","7","1") = "8"
    & skf18("7","9","6","6","1","8","1") = "8"
    & skf18("7","9","6","6","1","9","1") = "8"
    & skf18("7","9","6","6","1","10","1") = "9"
    & skf18("7","9","6","6","2","1","1") = "8"
    & skf18("7","9","6","6","2","2","1") = "8"
    & skf18("7","9","6","6","2","3","1") = "8"
    & skf18("7","9","6","6","2","4","1") = "8"
    & skf18("7","9","6","6","2","5","1") = "8"
    & skf18("7","9","6","6","2","6","1") = "8"
    & skf18("7","9","6","6","2","7","1") = "8"
    & skf18("7","9","6","6","2","8","1") = "8"
    & skf18("7","9","6","6","2","9","1") = "8"
    & skf18("7","9","6","6","2","10","1") = "9"
    & skf18("7","9","6","6","3","1","1") = "8"
    & skf18("7","9","6","6","3","2","1") = "8"
    & skf18("7","9","6","6","3","3","1") = "8"
    & skf18("7","9","6","6","3","4","1") = "8"
    & skf18("7","9","6","6","3","5","1") = "8"
    & skf18("7","9","6","6","3","6","1") = "8"
    & skf18("7","9","6","6","3","7","1") = "8"
    & skf18("7","9","6","6","3","8","1") = "8"
    & skf18("7","9","6","6","3","9","1") = "8"
    & skf18("7","9","6","6","3","10","1") = "9"
    & skf18("7","9","6","6","4","1","1") = "8"
    & skf18("7","9","6","6","4","2","1") = "8"
    & skf18("7","9","6","6","4","3","1") = "8"
    & skf18("7","9","6","6","4","4","1") = "8"
    & skf18("7","9","6","6","4","5","1") = "8"
    & skf18("7","9","6","6","4","6","1") = "8"
    & skf18("7","9","6","6","4","7","1") = "8"
    & skf18("7","9","6","6","4","8","1") = "8"
    & skf18("7","9","6","6","4","9","1") = "8"
    & skf18("7","9","6","6","4","10","1") = "9"
    & skf18("7","9","6","6","5","1","1") = "8"
    & skf18("7","9","6","6","5","2","1") = "8"
    & skf18("7","9","6","6","5","3","1") = "8"
    & skf18("7","9","6","6","5","4","1") = "8"
    & skf18("7","9","6","6","5","5","1") = "8"
    & skf18("7","9","6","6","5","6","1") = "8"
    & skf18("7","9","6","6","5","7","1") = "8"
    & skf18("7","9","6","6","5","8","1") = "8"
    & skf18("7","9","6","6","5","9","1") = "8"
    & skf18("7","9","6","6","5","10","1") = "9"
    & skf18("7","9","6","6","6","1","1") = "8"
    & skf18("7","9","6","6","6","2","1") = "8"
    & skf18("7","9","6","6","6","3","1") = "8"
    & skf18("7","9","6","6","6","4","1") = "8"
    & skf18("7","9","6","6","6","5","1") = "8"
    & skf18("7","9","6","6","6","6","1") = "8"
    & skf18("7","9","6","6","6","7","1") = "8"
    & skf18("7","9","6","6","6","8","1") = "8"
    & skf18("7","9","6","6","6","9","1") = "8"
    & skf18("7","9","6","6","6","10","1") = "9"
    & skf18("7","9","6","6","7","1","1") = "8"
    & skf18("7","9","6","6","7","2","1") = "8"
    & skf18("7","9","6","6","7","3","1") = "8"
    & skf18("7","9","6","6","7","4","1") = "8"
    & skf18("7","9","6","6","7","5","1") = "8"
    & skf18("7","9","6","6","7","6","1") = "8"
    & skf18("7","9","6","6","7","7","1") = "8"
    & skf18("7","9","6","6","7","8","1") = "8"
    & skf18("7","9","6","6","7","9","1") = "8"
    & skf18("7","9","6","6","7","10","1") = "9"
    & skf18("7","9","6","6","8","1","1") = "8"
    & skf18("7","9","6","6","8","2","1") = "8"
    & skf18("7","9","6","6","8","3","1") = "8"
    & skf18("7","9","6","6","8","4","1") = "8"
    & skf18("7","9","6","6","8","5","1") = "8"
    & skf18("7","9","6","6","8","6","1") = "8"
    & skf18("7","9","6","6","8","7","1") = "8"
    & skf18("7","9","6","6","8","8","1") = "8"
    & skf18("7","9","6","6","8","9","1") = "8"
    & skf18("7","9","6","6","8","10","1") = "9"
    & skf18("7","9","6","6","9","1","1") = "8"
    & skf18("7","9","6","6","9","2","1") = "8"
    & skf18("7","9","6","6","9","3","1") = "8"
    & skf18("7","9","6","6","9","4","1") = "8"
    & skf18("7","9","6","6","9","5","1") = "8"
    & skf18("7","9","6","6","9","6","1") = "8"
    & skf18("7","9","6","6","9","7","1") = "8"
    & skf18("7","9","6","6","9","8","1") = "8"
    & skf18("7","9","6","6","9","9","1") = "8"
    & skf18("7","9","6","6","9","10","1") = "9"
    & skf18("7","9","6","6","10","1","1") = "9"
    & skf18("7","9","6","6","10","2","1") = "9"
    & skf18("7","9","6","6","10","3","1") = "9"
    & skf18("7","9","6","6","10","4","1") = "9"
    & skf18("7","9","6","6","10","5","1") = "9"
    & skf18("7","9","6","6","10","6","1") = "9"
    & skf18("7","9","6","6","10","7","1") = "9"
    & skf18("7","9","6","6","10","8","1") = "9"
    & skf18("7","9","6","6","10","9","1") = "9"
    & skf18("7","9","6","6","10","10","1") = "9"
    & skf18("7","9","6","7","1","1","1") = "8"
    & skf18("7","9","6","7","1","2","1") = "8"
    & skf18("7","9","6","7","1","3","1") = "8"
    & skf18("7","9","6","7","1","4","1") = "8"
    & skf18("7","9","6","7","1","5","1") = "8"
    & skf18("7","9","6","7","1","6","1") = "8"
    & skf18("7","9","6","7","1","7","1") = "8"
    & skf18("7","9","6","7","1","8","1") = "8"
    & skf18("7","9","6","7","1","9","1") = "8"
    & skf18("7","9","6","7","1","10","1") = "9"
    & skf18("7","9","6","7","2","1","1") = "8"
    & skf18("7","9","6","7","2","2","1") = "8"
    & skf18("7","9","6","7","2","3","1") = "8"
    & skf18("7","9","6","7","2","4","1") = "8"
    & skf18("7","9","6","7","2","5","1") = "8"
    & skf18("7","9","6","7","2","6","1") = "8"
    & skf18("7","9","6","7","2","7","1") = "8"
    & skf18("7","9","6","7","2","8","1") = "8"
    & skf18("7","9","6","7","2","9","1") = "8"
    & skf18("7","9","6","7","2","10","1") = "9"
    & skf18("7","9","6","7","3","1","1") = "8"
    & skf18("7","9","6","7","3","2","1") = "8"
    & skf18("7","9","6","7","3","3","1") = "8"
    & skf18("7","9","6","7","3","4","1") = "8"
    & skf18("7","9","6","7","3","5","1") = "8"
    & skf18("7","9","6","7","3","6","1") = "8"
    & skf18("7","9","6","7","3","7","1") = "8"
    & skf18("7","9","6","7","3","8","1") = "8"
    & skf18("7","9","6","7","3","9","1") = "8"
    & skf18("7","9","6","7","3","10","1") = "9"
    & skf18("7","9","6","7","4","1","1") = "8"
    & skf18("7","9","6","7","4","2","1") = "8"
    & skf18("7","9","6","7","4","3","1") = "8"
    & skf18("7","9","6","7","4","4","1") = "8"
    & skf18("7","9","6","7","4","5","1") = "8"
    & skf18("7","9","6","7","4","6","1") = "8"
    & skf18("7","9","6","7","4","7","1") = "8"
    & skf18("7","9","6","7","4","8","1") = "8"
    & skf18("7","9","6","7","4","9","1") = "8"
    & skf18("7","9","6","7","4","10","1") = "9"
    & skf18("7","9","6","7","5","1","1") = "8"
    & skf18("7","9","6","7","5","2","1") = "8"
    & skf18("7","9","6","7","5","3","1") = "8"
    & skf18("7","9","6","7","5","4","1") = "8"
    & skf18("7","9","6","7","5","5","1") = "8"
    & skf18("7","9","6","7","5","6","1") = "8"
    & skf18("7","9","6","7","5","7","1") = "8"
    & skf18("7","9","6","7","5","8","1") = "8"
    & skf18("7","9","6","7","5","9","1") = "8"
    & skf18("7","9","6","7","5","10","1") = "9"
    & skf18("7","9","6","7","6","1","1") = "8"
    & skf18("7","9","6","7","6","2","1") = "8"
    & skf18("7","9","6","7","6","3","1") = "8"
    & skf18("7","9","6","7","6","4","1") = "8"
    & skf18("7","9","6","7","6","5","1") = "8"
    & skf18("7","9","6","7","6","6","1") = "8"
    & skf18("7","9","6","7","6","7","1") = "8"
    & skf18("7","9","6","7","6","8","1") = "8"
    & skf18("7","9","6","7","6","9","1") = "8"
    & skf18("7","9","6","7","6","10","1") = "9"
    & skf18("7","9","6","7","7","1","1") = "8"
    & skf18("7","9","6","7","7","2","1") = "8"
    & skf18("7","9","6","7","7","3","1") = "8"
    & skf18("7","9","6","7","7","4","1") = "8"
    & skf18("7","9","6","7","7","5","1") = "8"
    & skf18("7","9","6","7","7","6","1") = "8"
    & skf18("7","9","6","7","7","7","1") = "8"
    & skf18("7","9","6","7","7","8","1") = "8"
    & skf18("7","9","6","7","7","9","1") = "8"
    & skf18("7","9","6","7","7","10","1") = "9"
    & skf18("7","9","6","7","8","1","1") = "8"
    & skf18("7","9","6","7","8","2","1") = "8"
    & skf18("7","9","6","7","8","3","1") = "8"
    & skf18("7","9","6","7","8","4","1") = "8"
    & skf18("7","9","6","7","8","5","1") = "8"
    & skf18("7","9","6","7","8","6","1") = "8"
    & skf18("7","9","6","7","8","7","1") = "8"
    & skf18("7","9","6","7","8","8","1") = "8"
    & skf18("7","9","6","7","8","9","1") = "8"
    & skf18("7","9","6","7","8","10","1") = "9"
    & skf18("7","9","6","7","9","1","1") = "8"
    & skf18("7","9","6","7","9","2","1") = "8"
    & skf18("7","9","6","7","9","3","1") = "8"
    & skf18("7","9","6","7","9","4","1") = "8"
    & skf18("7","9","6","7","9","5","1") = "8"
    & skf18("7","9","6","7","9","6","1") = "8"
    & skf18("7","9","6","7","9","7","1") = "8"
    & skf18("7","9","6","7","9","8","1") = "8"
    & skf18("7","9","6","7","9","9","1") = "8"
    & skf18("7","9","6","7","9","10","1") = "9"
    & skf18("7","9","6","7","10","1","1") = "9"
    & skf18("7","9","6","7","10","2","1") = "9"
    & skf18("7","9","6","7","10","3","1") = "9"
    & skf18("7","9","6","7","10","4","1") = "9"
    & skf18("7","9","6","7","10","5","1") = "9"
    & skf18("7","9","6","7","10","6","1") = "9"
    & skf18("7","9","6","7","10","7","1") = "9"
    & skf18("7","9","6","7","10","8","1") = "9"
    & skf18("7","9","6","7","10","9","1") = "9"
    & skf18("7","9","6","7","10","10","1") = "9"
    & skf18("7","9","6","8","1","1","1") = "8"
    & skf18("7","9","6","8","1","2","1") = "8"
    & skf18("7","9","6","8","1","3","1") = "8"
    & skf18("7","9","6","8","1","4","1") = "8"
    & skf18("7","9","6","8","1","5","1") = "8"
    & skf18("7","9","6","8","1","6","1") = "8"
    & skf18("7","9","6","8","1","7","1") = "8"
    & skf18("7","9","6","8","1","8","1") = "8"
    & skf18("7","9","6","8","1","9","1") = "8"
    & skf18("7","9","6","8","1","10","1") = "9"
    & skf18("7","9","6","8","2","1","1") = "8"
    & skf18("7","9","6","8","2","2","1") = "8"
    & skf18("7","9","6","8","2","3","1") = "8"
    & skf18("7","9","6","8","2","4","1") = "8"
    & skf18("7","9","6","8","2","5","1") = "8"
    & skf18("7","9","6","8","2","6","1") = "8"
    & skf18("7","9","6","8","2","7","1") = "8"
    & skf18("7","9","6","8","2","8","1") = "8"
    & skf18("7","9","6","8","2","9","1") = "8"
    & skf18("7","9","6","8","2","10","1") = "9"
    & skf18("7","9","6","8","3","1","1") = "8"
    & skf18("7","9","6","8","3","2","1") = "8"
    & skf18("7","9","6","8","3","3","1") = "8"
    & skf18("7","9","6","8","3","4","1") = "8"
    & skf18("7","9","6","8","3","5","1") = "8"
    & skf18("7","9","6","8","3","6","1") = "8"
    & skf18("7","9","6","8","3","7","1") = "8"
    & skf18("7","9","6","8","3","8","1") = "8"
    & skf18("7","9","6","8","3","9","1") = "8"
    & skf18("7","9","6","8","3","10","1") = "9"
    & skf18("7","9","6","8","4","1","1") = "8"
    & skf18("7","9","6","8","4","2","1") = "8"
    & skf18("7","9","6","8","4","3","1") = "8"
    & skf18("7","9","6","8","4","4","1") = "8"
    & skf18("7","9","6","8","4","5","1") = "8"
    & skf18("7","9","6","8","4","6","1") = "8"
    & skf18("7","9","6","8","4","7","1") = "8"
    & skf18("7","9","6","8","4","8","1") = "8"
    & skf18("7","9","6","8","4","9","1") = "8"
    & skf18("7","9","6","8","4","10","1") = "9"
    & skf18("7","9","6","8","5","1","1") = "8"
    & skf18("7","9","6","8","5","2","1") = "8"
    & skf18("7","9","6","8","5","3","1") = "8"
    & skf18("7","9","6","8","5","4","1") = "8"
    & skf18("7","9","6","8","5","5","1") = "8"
    & skf18("7","9","6","8","5","6","1") = "8"
    & skf18("7","9","6","8","5","7","1") = "8"
    & skf18("7","9","6","8","5","8","1") = "8"
    & skf18("7","9","6","8","5","9","1") = "8"
    & skf18("7","9","6","8","5","10","1") = "9"
    & skf18("7","9","6","8","6","1","1") = "8"
    & skf18("7","9","6","8","6","2","1") = "8"
    & skf18("7","9","6","8","6","3","1") = "8"
    & skf18("7","9","6","8","6","4","1") = "8"
    & skf18("7","9","6","8","6","5","1") = "8"
    & skf18("7","9","6","8","6","6","1") = "8"
    & skf18("7","9","6","8","6","7","1") = "8"
    & skf18("7","9","6","8","6","8","1") = "8"
    & skf18("7","9","6","8","6","9","1") = "8"
    & skf18("7","9","6","8","6","10","1") = "9"
    & skf18("7","9","6","8","7","1","1") = "8"
    & skf18("7","9","6","8","7","2","1") = "8"
    & skf18("7","9","6","8","7","3","1") = "8"
    & skf18("7","9","6","8","7","4","1") = "8"
    & skf18("7","9","6","8","7","5","1") = "8"
    & skf18("7","9","6","8","7","6","1") = "8"
    & skf18("7","9","6","8","7","7","1") = "8"
    & skf18("7","9","6","8","7","8","1") = "8"
    & skf18("7","9","6","8","7","9","1") = "8"
    & skf18("7","9","6","8","7","10","1") = "9"
    & skf18("7","9","6","8","8","1","1") = "8"
    & skf18("7","9","6","8","8","2","1") = "8"
    & skf18("7","9","6","8","8","3","1") = "8"
    & skf18("7","9","6","8","8","4","1") = "8"
    & skf18("7","9","6","8","8","5","1") = "8"
    & skf18("7","9","6","8","8","6","1") = "8"
    & skf18("7","9","6","8","8","7","1") = "8"
    & skf18("7","9","6","8","8","8","1") = "8"
    & skf18("7","9","6","8","8","9","1") = "8"
    & skf18("7","9","6","8","8","10","1") = "9"
    & skf18("7","9","6","8","9","1","1") = "8"
    & skf18("7","9","6","8","9","2","1") = "8"
    & skf18("7","9","6","8","9","3","1") = "8"
    & skf18("7","9","6","8","9","4","1") = "8"
    & skf18("7","9","6","8","9","5","1") = "8"
    & skf18("7","9","6","8","9","6","1") = "8"
    & skf18("7","9","6","8","9","7","1") = "8"
    & skf18("7","9","6","8","9","8","1") = "8"
    & skf18("7","9","6","8","9","9","1") = "8"
    & skf18("7","9","6","8","9","10","1") = "9"
    & skf18("7","9","6","8","10","1","1") = "9"
    & skf18("7","9","6","8","10","2","1") = "9"
    & skf18("7","9","6","8","10","3","1") = "9"
    & skf18("7","9","6","8","10","4","1") = "9"
    & skf18("7","9","6","8","10","5","1") = "9"
    & skf18("7","9","6","8","10","6","1") = "9"
    & skf18("7","9","6","8","10","7","1") = "9"
    & skf18("7","9","6","8","10","8","1") = "9"
    & skf18("7","9","6","8","10","9","1") = "9"
    & skf18("7","9","6","8","10","10","1") = "9"
    & skf18("7","9","6","9","1","1","1") = "8"
    & skf18("7","9","6","9","1","2","1") = "8"
    & skf18("7","9","6","9","1","3","1") = "8"
    & skf18("7","9","6","9","1","4","1") = "8"
    & skf18("7","9","6","9","1","5","1") = "8"
    & skf18("7","9","6","9","1","6","1") = "8"
    & skf18("7","9","6","9","1","7","1") = "8"
    & skf18("7","9","6","9","1","8","1") = "8"
    & skf18("7","9","6","9","1","9","1") = "8"
    & skf18("7","9","6","9","1","10","1") = "9"
    & skf18("7","9","6","9","2","1","1") = "8"
    & skf18("7","9","6","9","2","2","1") = "8"
    & skf18("7","9","6","9","2","3","1") = "8"
    & skf18("7","9","6","9","2","4","1") = "8"
    & skf18("7","9","6","9","2","5","1") = "8"
    & skf18("7","9","6","9","2","6","1") = "8"
    & skf18("7","9","6","9","2","7","1") = "8"
    & skf18("7","9","6","9","2","8","1") = "8"
    & skf18("7","9","6","9","2","9","1") = "8"
    & skf18("7","9","6","9","2","10","1") = "9"
    & skf18("7","9","6","9","3","1","1") = "8"
    & skf18("7","9","6","9","3","2","1") = "8"
    & skf18("7","9","6","9","3","3","1") = "8"
    & skf18("7","9","6","9","3","4","1") = "8"
    & skf18("7","9","6","9","3","5","1") = "8"
    & skf18("7","9","6","9","3","6","1") = "8"
    & skf18("7","9","6","9","3","7","1") = "8"
    & skf18("7","9","6","9","3","8","1") = "8"
    & skf18("7","9","6","9","3","9","1") = "8"
    & skf18("7","9","6","9","3","10","1") = "9"
    & skf18("7","9","6","9","4","1","1") = "8"
    & skf18("7","9","6","9","4","2","1") = "8"
    & skf18("7","9","6","9","4","3","1") = "8"
    & skf18("7","9","6","9","4","4","1") = "8"
    & skf18("7","9","6","9","4","5","1") = "8"
    & skf18("7","9","6","9","4","6","1") = "8"
    & skf18("7","9","6","9","4","7","1") = "8"
    & skf18("7","9","6","9","4","8","1") = "8"
    & skf18("7","9","6","9","4","9","1") = "8"
    & skf18("7","9","6","9","4","10","1") = "9"
    & skf18("7","9","6","9","5","1","1") = "8"
    & skf18("7","9","6","9","5","2","1") = "8"
    & skf18("7","9","6","9","5","3","1") = "8"
    & skf18("7","9","6","9","5","4","1") = "8"
    & skf18("7","9","6","9","5","5","1") = "8"
    & skf18("7","9","6","9","5","6","1") = "8"
    & skf18("7","9","6","9","5","7","1") = "8"
    & skf18("7","9","6","9","5","8","1") = "8"
    & skf18("7","9","6","9","5","9","1") = "8"
    & skf18("7","9","6","9","5","10","1") = "9"
    & skf18("7","9","6","9","6","1","1") = "8"
    & skf18("7","9","6","9","6","2","1") = "8"
    & skf18("7","9","6","9","6","3","1") = "8"
    & skf18("7","9","6","9","6","4","1") = "8"
    & skf18("7","9","6","9","6","5","1") = "8"
    & skf18("7","9","6","9","6","6","1") = "8"
    & skf18("7","9","6","9","6","7","1") = "8"
    & skf18("7","9","6","9","6","8","1") = "8"
    & skf18("7","9","6","9","6","9","1") = "8"
    & skf18("7","9","6","9","6","10","1") = "9"
    & skf18("7","9","6","9","7","1","1") = "8"
    & skf18("7","9","6","9","7","2","1") = "8"
    & skf18("7","9","6","9","7","3","1") = "8"
    & skf18("7","9","6","9","7","4","1") = "8"
    & skf18("7","9","6","9","7","5","1") = "8"
    & skf18("7","9","6","9","7","6","1") = "8"
    & skf18("7","9","6","9","7","7","1") = "8"
    & skf18("7","9","6","9","7","8","1") = "8"
    & skf18("7","9","6","9","7","9","1") = "8"
    & skf18("7","9","6","9","7","10","1") = "9"
    & skf18("7","9","6","9","8","1","1") = "8"
    & skf18("7","9","6","9","8","2","1") = "8"
    & skf18("7","9","6","9","8","3","1") = "8"
    & skf18("7","9","6","9","8","4","1") = "8"
    & skf18("7","9","6","9","8","5","1") = "8"
    & skf18("7","9","6","9","8","6","1") = "8"
    & skf18("7","9","6","9","8","7","1") = "8"
    & skf18("7","9","6","9","8","8","1") = "8"
    & skf18("7","9","6","9","8","9","1") = "8"
    & skf18("7","9","6","9","8","10","1") = "9"
    & skf18("7","9","6","9","9","1","1") = "8"
    & skf18("7","9","6","9","9","2","1") = "8"
    & skf18("7","9","6","9","9","3","1") = "8"
    & skf18("7","9","6","9","9","4","1") = "8"
    & skf18("7","9","6","9","9","5","1") = "8"
    & skf18("7","9","6","9","9","6","1") = "8"
    & skf18("7","9","6","9","9","7","1") = "8"
    & skf18("7","9","6","9","9","8","1") = "8"
    & skf18("7","9","6","9","9","9","1") = "8"
    & skf18("7","9","6","9","9","10","1") = "9"
    & skf18("7","9","6","9","10","1","1") = "9"
    & skf18("7","9","6","9","10","2","1") = "9"
    & skf18("7","9","6","9","10","3","1") = "9"
    & skf18("7","9","6","9","10","4","1") = "9"
    & skf18("7","9","6","9","10","5","1") = "9"
    & skf18("7","9","6","9","10","6","1") = "9"
    & skf18("7","9","6","9","10","7","1") = "9"
    & skf18("7","9","6","9","10","8","1") = "9"
    & skf18("7","9","6","9","10","9","1") = "9"
    & skf18("7","9","6","9","10","10","1") = "9"
    & skf18("7","9","6","10","1","1","1") = "9"
    & skf18("7","9","6","10","1","2","1") = "9"
    & skf18("7","9","6","10","1","3","1") = "9"
    & skf18("7","9","6","10","1","4","1") = "9"
    & skf18("7","9","6","10","1","5","1") = "9"
    & skf18("7","9","6","10","1","6","1") = "9"
    & skf18("7","9","6","10","1","7","1") = "9"
    & skf18("7","9","6","10","1","8","1") = "9"
    & skf18("7","9","6","10","1","9","1") = "9"
    & skf18("7","9","6","10","1","10","1") = "9"
    & skf18("7","9","6","10","2","1","1") = "9"
    & skf18("7","9","6","10","2","2","1") = "9"
    & skf18("7","9","6","10","2","3","1") = "9"
    & skf18("7","9","6","10","2","4","1") = "9"
    & skf18("7","9","6","10","2","5","1") = "9"
    & skf18("7","9","6","10","2","6","1") = "9"
    & skf18("7","9","6","10","2","7","1") = "9"
    & skf18("7","9","6","10","2","8","1") = "9"
    & skf18("7","9","6","10","2","9","1") = "9"
    & skf18("7","9","6","10","2","10","1") = "9"
    & skf18("7","9","6","10","3","1","1") = "9"
    & skf18("7","9","6","10","3","2","1") = "9"
    & skf18("7","9","6","10","3","3","1") = "9"
    & skf18("7","9","6","10","3","4","1") = "9"
    & skf18("7","9","6","10","3","5","1") = "9"
    & skf18("7","9","6","10","3","6","1") = "9"
    & skf18("7","9","6","10","3","7","1") = "9"
    & skf18("7","9","6","10","3","8","1") = "9"
    & skf18("7","9","6","10","3","9","1") = "9"
    & skf18("7","9","6","10","3","10","1") = "9"
    & skf18("7","9","6","10","4","1","1") = "9"
    & skf18("7","9","6","10","4","2","1") = "9"
    & skf18("7","9","6","10","4","3","1") = "9"
    & skf18("7","9","6","10","4","4","1") = "9"
    & skf18("7","9","6","10","4","5","1") = "9"
    & skf18("7","9","6","10","4","6","1") = "9"
    & skf18("7","9","6","10","4","7","1") = "9"
    & skf18("7","9","6","10","4","8","1") = "9"
    & skf18("7","9","6","10","4","9","1") = "9"
    & skf18("7","9","6","10","4","10","1") = "9"
    & skf18("7","9","6","10","5","1","1") = "9"
    & skf18("7","9","6","10","5","2","1") = "9"
    & skf18("7","9","6","10","5","3","1") = "9"
    & skf18("7","9","6","10","5","4","1") = "9"
    & skf18("7","9","6","10","5","5","1") = "9"
    & skf18("7","9","6","10","5","6","1") = "9"
    & skf18("7","9","6","10","5","7","1") = "9"
    & skf18("7","9","6","10","5","8","1") = "9"
    & skf18("7","9","6","10","5","9","1") = "9"
    & skf18("7","9","6","10","5","10","1") = "9"
    & skf18("7","9","6","10","6","1","1") = "9"
    & skf18("7","9","6","10","6","2","1") = "9"
    & skf18("7","9","6","10","6","3","1") = "9"
    & skf18("7","9","6","10","6","4","1") = "9"
    & skf18("7","9","6","10","6","5","1") = "9"
    & skf18("7","9","6","10","6","6","1") = "9"
    & skf18("7","9","6","10","6","7","1") = "9"
    & skf18("7","9","6","10","6","8","1") = "9"
    & skf18("7","9","6","10","6","9","1") = "9"
    & skf18("7","9","6","10","6","10","1") = "9"
    & skf18("7","9","6","10","7","1","1") = "9"
    & skf18("7","9","6","10","7","2","1") = "9"
    & skf18("7","9","6","10","7","3","1") = "9"
    & skf18("7","9","6","10","7","4","1") = "9"
    & skf18("7","9","6","10","7","5","1") = "9"
    & skf18("7","9","6","10","7","6","1") = "9"
    & skf18("7","9","6","10","7","7","1") = "9"
    & skf18("7","9","6","10","7","8","1") = "9"
    & skf18("7","9","6","10","7","9","1") = "9"
    & skf18("7","9","6","10","7","10","1") = "9"
    & skf18("7","9","6","10","8","1","1") = "9"
    & skf18("7","9","6","10","8","2","1") = "9"
    & skf18("7","9","6","10","8","3","1") = "9"
    & skf18("7","9","6","10","8","4","1") = "9"
    & skf18("7","9","6","10","8","5","1") = "9"
    & skf18("7","9","6","10","8","6","1") = "9"
    & skf18("7","9","6","10","8","7","1") = "9"
    & skf18("7","9","6","10","8","8","1") = "9"
    & skf18("7","9","6","10","8","9","1") = "9"
    & skf18("7","9","6","10","8","10","1") = "9"
    & skf18("7","9","6","10","9","1","1") = "9"
    & skf18("7","9","6","10","9","2","1") = "9"
    & skf18("7","9","6","10","9","3","1") = "9"
    & skf18("7","9","6","10","9","4","1") = "9"
    & skf18("7","9","6","10","9","5","1") = "9"
    & skf18("7","9","6","10","9","6","1") = "9"
    & skf18("7","9","6","10","9","7","1") = "9"
    & skf18("7","9","6","10","9","8","1") = "9"
    & skf18("7","9","6","10","9","9","1") = "9"
    & skf18("7","9","6","10","9","10","1") = "9"
    & skf18("7","9","6","10","10","1","1") = "9"
    & skf18("7","9","6","10","10","2","1") = "9"
    & skf18("7","9","6","10","10","3","1") = "9"
    & skf18("7","9","6","10","10","4","1") = "9"
    & skf18("7","9","6","10","10","5","1") = "9"
    & skf18("7","9","6","10","10","6","1") = "9"
    & skf18("7","9","6","10","10","7","1") = "9"
    & skf18("7","9","6","10","10","8","1") = "9"
    & skf18("7","9","6","10","10","9","1") = "9"
    & skf18("7","9","6","10","10","10","1") = "9"
    & skf18("7","9","7","1","1","1","1") = "8"
    & skf18("7","9","7","1","1","2","1") = "8"
    & skf18("7","9","7","1","1","3","1") = "8"
    & skf18("7","9","7","1","1","4","1") = "8"
    & skf18("7","9","7","1","1","5","1") = "8"
    & skf18("7","9","7","1","1","6","1") = "8"
    & skf18("7","9","7","1","1","7","1") = "8"
    & skf18("7","9","7","1","1","8","1") = "8"
    & skf18("7","9","7","1","1","9","1") = "8"
    & skf18("7","9","7","1","1","10","1") = "9"
    & skf18("7","9","7","1","2","1","1") = "8"
    & skf18("7","9","7","1","2","2","1") = "8"
    & skf18("7","9","7","1","2","3","1") = "8"
    & skf18("7","9","7","1","2","4","1") = "8"
    & skf18("7","9","7","1","2","5","1") = "8"
    & skf18("7","9","7","1","2","6","1") = "8"
    & skf18("7","9","7","1","2","7","1") = "8"
    & skf18("7","9","7","1","2","8","1") = "8"
    & skf18("7","9","7","1","2","9","1") = "8"
    & skf18("7","9","7","1","2","10","1") = "9"
    & skf18("7","9","7","1","3","1","1") = "8"
    & skf18("7","9","7","1","3","2","1") = "8"
    & skf18("7","9","7","1","3","3","1") = "8"
    & skf18("7","9","7","1","3","4","1") = "8"
    & skf18("7","9","7","1","3","5","1") = "8"
    & skf18("7","9","7","1","3","6","1") = "8"
    & skf18("7","9","7","1","3","7","1") = "8"
    & skf18("7","9","7","1","3","8","1") = "8"
    & skf18("7","9","7","1","3","9","1") = "8"
    & skf18("7","9","7","1","3","10","1") = "9"
    & skf18("7","9","7","1","4","1","1") = "8"
    & skf18("7","9","7","1","4","2","1") = "8"
    & skf18("7","9","7","1","4","3","1") = "8"
    & skf18("7","9","7","1","4","4","1") = "8"
    & skf18("7","9","7","1","4","5","1") = "8"
    & skf18("7","9","7","1","4","6","1") = "8"
    & skf18("7","9","7","1","4","7","1") = "8"
    & skf18("7","9","7","1","4","8","1") = "8"
    & skf18("7","9","7","1","4","9","1") = "8"
    & skf18("7","9","7","1","4","10","1") = "9"
    & skf18("7","9","7","1","5","1","1") = "8"
    & skf18("7","9","7","1","5","2","1") = "8"
    & skf18("7","9","7","1","5","3","1") = "8"
    & skf18("7","9","7","1","5","4","1") = "8"
    & skf18("7","9","7","1","5","5","1") = "8"
    & skf18("7","9","7","1","5","6","1") = "8"
    & skf18("7","9","7","1","5","7","1") = "8"
    & skf18("7","9","7","1","5","8","1") = "8"
    & skf18("7","9","7","1","5","9","1") = "8"
    & skf18("7","9","7","1","5","10","1") = "9"
    & skf18("7","9","7","1","6","1","1") = "8"
    & skf18("7","9","7","1","6","2","1") = "8"
    & skf18("7","9","7","1","6","3","1") = "8"
    & skf18("7","9","7","1","6","4","1") = "8"
    & skf18("7","9","7","1","6","5","1") = "8"
    & skf18("7","9","7","1","6","6","1") = "8"
    & skf18("7","9","7","1","6","7","1") = "8"
    & skf18("7","9","7","1","6","8","1") = "8"
    & skf18("7","9","7","1","6","9","1") = "8"
    & skf18("7","9","7","1","6","10","1") = "9"
    & skf18("7","9","7","1","7","1","1") = "8"
    & skf18("7","9","7","1","7","2","1") = "8"
    & skf18("7","9","7","1","7","3","1") = "8"
    & skf18("7","9","7","1","7","4","1") = "8"
    & skf18("7","9","7","1","7","5","1") = "8"
    & skf18("7","9","7","1","7","6","1") = "8"
    & skf18("7","9","7","1","7","7","1") = "8"
    & skf18("7","9","7","1","7","8","1") = "8"
    & skf18("7","9","7","1","7","9","1") = "8"
    & skf18("7","9","7","1","7","10","1") = "9"
    & skf18("7","9","7","1","8","1","1") = "8"
    & skf18("7","9","7","1","8","2","1") = "8"
    & skf18("7","9","7","1","8","3","1") = "8"
    & skf18("7","9","7","1","8","4","1") = "8"
    & skf18("7","9","7","1","8","5","1") = "8"
    & skf18("7","9","7","1","8","6","1") = "8"
    & skf18("7","9","7","1","8","7","1") = "8"
    & skf18("7","9","7","1","8","8","1") = "8"
    & skf18("7","9","7","1","8","9","1") = "8"
    & skf18("7","9","7","1","8","10","1") = "9"
    & skf18("7","9","7","1","9","1","1") = "8"
    & skf18("7","9","7","1","9","2","1") = "8"
    & skf18("7","9","7","1","9","3","1") = "8"
    & skf18("7","9","7","1","9","4","1") = "8"
    & skf18("7","9","7","1","9","5","1") = "8"
    & skf18("7","9","7","1","9","6","1") = "8"
    & skf18("7","9","7","1","9","7","1") = "8"
    & skf18("7","9","7","1","9","8","1") = "8"
    & skf18("7","9","7","1","9","9","1") = "8"
    & skf18("7","9","7","1","9","10","1") = "9"
    & skf18("7","9","7","1","10","1","1") = "9"
    & skf18("7","9","7","1","10","2","1") = "9"
    & skf18("7","9","7","1","10","3","1") = "9"
    & skf18("7","9","7","1","10","4","1") = "9"
    & skf18("7","9","7","1","10","5","1") = "9"
    & skf18("7","9","7","1","10","6","1") = "9"
    & skf18("7","9","7","1","10","7","1") = "9"
    & skf18("7","9","7","1","10","8","1") = "9"
    & skf18("7","9","7","1","10","9","1") = "9"
    & skf18("7","9","7","1","10","10","1") = "9"
    & skf18("7","9","7","2","1","1","1") = "8"
    & skf18("7","9","7","2","1","2","1") = "8"
    & skf18("7","9","7","2","1","3","1") = "8"
    & skf18("7","9","7","2","1","4","1") = "8"
    & skf18("7","9","7","2","1","5","1") = "8"
    & skf18("7","9","7","2","1","6","1") = "8"
    & skf18("7","9","7","2","1","7","1") = "8"
    & skf18("7","9","7","2","1","8","1") = "8"
    & skf18("7","9","7","2","1","9","1") = "8"
    & skf18("7","9","7","2","1","10","1") = "9"
    & skf18("7","9","7","2","2","1","1") = "8"
    & skf18("7","9","7","2","2","2","1") = "8"
    & skf18("7","9","7","2","2","3","1") = "8"
    & skf18("7","9","7","2","2","4","1") = "8"
    & skf18("7","9","7","2","2","5","1") = "8"
    & skf18("7","9","7","2","2","6","1") = "8"
    & skf18("7","9","7","2","2","7","1") = "8"
    & skf18("7","9","7","2","2","8","1") = "8"
    & skf18("7","9","7","2","2","9","1") = "8"
    & skf18("7","9","7","2","2","10","1") = "9"
    & skf18("7","9","7","2","3","1","1") = "8"
    & skf18("7","9","7","2","3","2","1") = "8"
    & skf18("7","9","7","2","3","3","1") = "8"
    & skf18("7","9","7","2","3","4","1") = "8"
    & skf18("7","9","7","2","3","5","1") = "8"
    & skf18("7","9","7","2","3","6","1") = "8"
    & skf18("7","9","7","2","3","7","1") = "8"
    & skf18("7","9","7","2","3","8","1") = "8"
    & skf18("7","9","7","2","3","9","1") = "8"
    & skf18("7","9","7","2","3","10","1") = "9"
    & skf18("7","9","7","2","4","1","1") = "8"
    & skf18("7","9","7","2","4","2","1") = "8"
    & skf18("7","9","7","2","4","3","1") = "8"
    & skf18("7","9","7","2","4","4","1") = "8"
    & skf18("7","9","7","2","4","5","1") = "8"
    & skf18("7","9","7","2","4","6","1") = "8"
    & skf18("7","9","7","2","4","7","1") = "8"
    & skf18("7","9","7","2","4","8","1") = "8"
    & skf18("7","9","7","2","4","9","1") = "8"
    & skf18("7","9","7","2","4","10","1") = "9"
    & skf18("7","9","7","2","5","1","1") = "8"
    & skf18("7","9","7","2","5","2","1") = "8"
    & skf18("7","9","7","2","5","3","1") = "8"
    & skf18("7","9","7","2","5","4","1") = "8"
    & skf18("7","9","7","2","5","5","1") = "8"
    & skf18("7","9","7","2","5","6","1") = "8"
    & skf18("7","9","7","2","5","7","1") = "8"
    & skf18("7","9","7","2","5","8","1") = "8"
    & skf18("7","9","7","2","5","9","1") = "8"
    & skf18("7","9","7","2","5","10","1") = "9"
    & skf18("7","9","7","2","6","1","1") = "8"
    & skf18("7","9","7","2","6","2","1") = "8"
    & skf18("7","9","7","2","6","3","1") = "8"
    & skf18("7","9","7","2","6","4","1") = "8"
    & skf18("7","9","7","2","6","5","1") = "8"
    & skf18("7","9","7","2","6","6","1") = "8"
    & skf18("7","9","7","2","6","7","1") = "8"
    & skf18("7","9","7","2","6","8","1") = "8"
    & skf18("7","9","7","2","6","9","1") = "8"
    & skf18("7","9","7","2","6","10","1") = "9"
    & skf18("7","9","7","2","7","1","1") = "8"
    & skf18("7","9","7","2","7","2","1") = "8"
    & skf18("7","9","7","2","7","3","1") = "8"
    & skf18("7","9","7","2","7","4","1") = "8"
    & skf18("7","9","7","2","7","5","1") = "8"
    & skf18("7","9","7","2","7","6","1") = "8"
    & skf18("7","9","7","2","7","7","1") = "8"
    & skf18("7","9","7","2","7","8","1") = "8"
    & skf18("7","9","7","2","7","9","1") = "8"
    & skf18("7","9","7","2","7","10","1") = "9"
    & skf18("7","9","7","2","8","1","1") = "8"
    & skf18("7","9","7","2","8","2","1") = "8"
    & skf18("7","9","7","2","8","3","1") = "8"
    & skf18("7","9","7","2","8","4","1") = "8"
    & skf18("7","9","7","2","8","5","1") = "8"
    & skf18("7","9","7","2","8","6","1") = "8"
    & skf18("7","9","7","2","8","7","1") = "8"
    & skf18("7","9","7","2","8","8","1") = "8"
    & skf18("7","9","7","2","8","9","1") = "8"
    & skf18("7","9","7","2","8","10","1") = "9"
    & skf18("7","9","7","2","9","1","1") = "8"
    & skf18("7","9","7","2","9","2","1") = "8"
    & skf18("7","9","7","2","9","3","1") = "8"
    & skf18("7","9","7","2","9","4","1") = "8"
    & skf18("7","9","7","2","9","5","1") = "8"
    & skf18("7","9","7","2","9","6","1") = "8"
    & skf18("7","9","7","2","9","7","1") = "8"
    & skf18("7","9","7","2","9","8","1") = "8"
    & skf18("7","9","7","2","9","9","1") = "8"
    & skf18("7","9","7","2","9","10","1") = "9"
    & skf18("7","9","7","2","10","1","1") = "9"
    & skf18("7","9","7","2","10","2","1") = "9"
    & skf18("7","9","7","2","10","3","1") = "9"
    & skf18("7","9","7","2","10","4","1") = "9"
    & skf18("7","9","7","2","10","5","1") = "9"
    & skf18("7","9","7","2","10","6","1") = "9"
    & skf18("7","9","7","2","10","7","1") = "9"
    & skf18("7","9","7","2","10","8","1") = "9"
    & skf18("7","9","7","2","10","9","1") = "9"
    & skf18("7","9","7","2","10","10","1") = "9"
    & skf18("7","9","7","3","1","1","1") = "8"
    & skf18("7","9","7","3","1","2","1") = "8"
    & skf18("7","9","7","3","1","3","1") = "8"
    & skf18("7","9","7","3","1","4","1") = "8"
    & skf18("7","9","7","3","1","5","1") = "8"
    & skf18("7","9","7","3","1","6","1") = "8"
    & skf18("7","9","7","3","1","7","1") = "8"
    & skf18("7","9","7","3","1","8","1") = "8"
    & skf18("7","9","7","3","1","9","1") = "8"
    & skf18("7","9","7","3","1","10","1") = "9"
    & skf18("7","9","7","3","2","1","1") = "8"
    & skf18("7","9","7","3","2","2","1") = "8"
    & skf18("7","9","7","3","2","3","1") = "8"
    & skf18("7","9","7","3","2","4","1") = "8"
    & skf18("7","9","7","3","2","5","1") = "8"
    & skf18("7","9","7","3","2","6","1") = "8"
    & skf18("7","9","7","3","2","7","1") = "8"
    & skf18("7","9","7","3","2","8","1") = "8"
    & skf18("7","9","7","3","2","9","1") = "8"
    & skf18("7","9","7","3","2","10","1") = "9"
    & skf18("7","9","7","3","3","1","1") = "8"
    & skf18("7","9","7","3","3","2","1") = "8"
    & skf18("7","9","7","3","3","3","1") = "8"
    & skf18("7","9","7","3","3","4","1") = "8"
    & skf18("7","9","7","3","3","5","1") = "8"
    & skf18("7","9","7","3","3","6","1") = "8"
    & skf18("7","9","7","3","3","7","1") = "8"
    & skf18("7","9","7","3","3","8","1") = "8"
    & skf18("7","9","7","3","3","9","1") = "8"
    & skf18("7","9","7","3","3","10","1") = "9"
    & skf18("7","9","7","3","4","1","1") = "8"
    & skf18("7","9","7","3","4","2","1") = "8"
    & skf18("7","9","7","3","4","3","1") = "8"
    & skf18("7","9","7","3","4","4","1") = "8"
    & skf18("7","9","7","3","4","5","1") = "8"
    & skf18("7","9","7","3","4","6","1") = "8"
    & skf18("7","9","7","3","4","7","1") = "8"
    & skf18("7","9","7","3","4","8","1") = "8"
    & skf18("7","9","7","3","4","9","1") = "8"
    & skf18("7","9","7","3","4","10","1") = "9"
    & skf18("7","9","7","3","5","1","1") = "8"
    & skf18("7","9","7","3","5","2","1") = "8"
    & skf18("7","9","7","3","5","3","1") = "8"
    & skf18("7","9","7","3","5","4","1") = "8"
    & skf18("7","9","7","3","5","5","1") = "8"
    & skf18("7","9","7","3","5","6","1") = "8"
    & skf18("7","9","7","3","5","7","1") = "8"
    & skf18("7","9","7","3","5","8","1") = "8"
    & skf18("7","9","7","3","5","9","1") = "8"
    & skf18("7","9","7","3","5","10","1") = "9"
    & skf18("7","9","7","3","6","1","1") = "8"
    & skf18("7","9","7","3","6","2","1") = "8"
    & skf18("7","9","7","3","6","3","1") = "8"
    & skf18("7","9","7","3","6","4","1") = "8"
    & skf18("7","9","7","3","6","5","1") = "8"
    & skf18("7","9","7","3","6","6","1") = "8"
    & skf18("7","9","7","3","6","7","1") = "8"
    & skf18("7","9","7","3","6","8","1") = "8"
    & skf18("7","9","7","3","6","9","1") = "8"
    & skf18("7","9","7","3","6","10","1") = "9"
    & skf18("7","9","7","3","7","1","1") = "8"
    & skf18("7","9","7","3","7","2","1") = "8"
    & skf18("7","9","7","3","7","3","1") = "8"
    & skf18("7","9","7","3","7","4","1") = "8"
    & skf18("7","9","7","3","7","5","1") = "8"
    & skf18("7","9","7","3","7","6","1") = "8"
    & skf18("7","9","7","3","7","7","1") = "8"
    & skf18("7","9","7","3","7","8","1") = "8"
    & skf18("7","9","7","3","7","9","1") = "8"
    & skf18("7","9","7","3","7","10","1") = "9"
    & skf18("7","9","7","3","8","1","1") = "8"
    & skf18("7","9","7","3","8","2","1") = "8"
    & skf18("7","9","7","3","8","3","1") = "8"
    & skf18("7","9","7","3","8","4","1") = "8"
    & skf18("7","9","7","3","8","5","1") = "8"
    & skf18("7","9","7","3","8","6","1") = "8"
    & skf18("7","9","7","3","8","7","1") = "8"
    & skf18("7","9","7","3","8","8","1") = "8"
    & skf18("7","9","7","3","8","9","1") = "8"
    & skf18("7","9","7","3","8","10","1") = "9"
    & skf18("7","9","7","3","9","1","1") = "8"
    & skf18("7","9","7","3","9","2","1") = "8"
    & skf18("7","9","7","3","9","3","1") = "8"
    & skf18("7","9","7","3","9","4","1") = "8"
    & skf18("7","9","7","3","9","5","1") = "8"
    & skf18("7","9","7","3","9","6","1") = "8"
    & skf18("7","9","7","3","9","7","1") = "8"
    & skf18("7","9","7","3","9","8","1") = "8"
    & skf18("7","9","7","3","9","9","1") = "8"
    & skf18("7","9","7","3","9","10","1") = "9"
    & skf18("7","9","7","3","10","1","1") = "9"
    & skf18("7","9","7","3","10","2","1") = "9"
    & skf18("7","9","7","3","10","3","1") = "9"
    & skf18("7","9","7","3","10","4","1") = "9"
    & skf18("7","9","7","3","10","5","1") = "9"
    & skf18("7","9","7","3","10","6","1") = "9"
    & skf18("7","9","7","3","10","7","1") = "9"
    & skf18("7","9","7","3","10","8","1") = "9"
    & skf18("7","9","7","3","10","9","1") = "9"
    & skf18("7","9","7","3","10","10","1") = "9"
    & skf18("7","9","7","4","1","1","1") = "8"
    & skf18("7","9","7","4","1","2","1") = "8"
    & skf18("7","9","7","4","1","3","1") = "8"
    & skf18("7","9","7","4","1","4","1") = "8"
    & skf18("7","9","7","4","1","5","1") = "8"
    & skf18("7","9","7","4","1","6","1") = "8"
    & skf18("7","9","7","4","1","7","1") = "8"
    & skf18("7","9","7","4","1","8","1") = "8"
    & skf18("7","9","7","4","1","9","1") = "8"
    & skf18("7","9","7","4","1","10","1") = "9"
    & skf18("7","9","7","4","2","1","1") = "8"
    & skf18("7","9","7","4","2","2","1") = "8"
    & skf18("7","9","7","4","2","3","1") = "8"
    & skf18("7","9","7","4","2","4","1") = "8"
    & skf18("7","9","7","4","2","5","1") = "8"
    & skf18("7","9","7","4","2","6","1") = "8"
    & skf18("7","9","7","4","2","7","1") = "8"
    & skf18("7","9","7","4","2","8","1") = "8"
    & skf18("7","9","7","4","2","9","1") = "8"
    & skf18("7","9","7","4","2","10","1") = "9"
    & skf18("7","9","7","4","3","1","1") = "8"
    & skf18("7","9","7","4","3","2","1") = "8"
    & skf18("7","9","7","4","3","3","1") = "8"
    & skf18("7","9","7","4","3","4","1") = "8"
    & skf18("7","9","7","4","3","5","1") = "8"
    & skf18("7","9","7","4","3","6","1") = "8"
    & skf18("7","9","7","4","3","7","1") = "8"
    & skf18("7","9","7","4","3","8","1") = "8"
    & skf18("7","9","7","4","3","9","1") = "8"
    & skf18("7","9","7","4","3","10","1") = "9"
    & skf18("7","9","7","4","4","1","1") = "8"
    & skf18("7","9","7","4","4","2","1") = "8"
    & skf18("7","9","7","4","4","3","1") = "8"
    & skf18("7","9","7","4","4","4","1") = "8"
    & skf18("7","9","7","4","4","5","1") = "8"
    & skf18("7","9","7","4","4","6","1") = "8"
    & skf18("7","9","7","4","4","7","1") = "8"
    & skf18("7","9","7","4","4","8","1") = "8"
    & skf18("7","9","7","4","4","9","1") = "8"
    & skf18("7","9","7","4","4","10","1") = "9"
    & skf18("7","9","7","4","5","1","1") = "8"
    & skf18("7","9","7","4","5","2","1") = "8"
    & skf18("7","9","7","4","5","3","1") = "8"
    & skf18("7","9","7","4","5","4","1") = "8"
    & skf18("7","9","7","4","5","5","1") = "8"
    & skf18("7","9","7","4","5","6","1") = "8"
    & skf18("7","9","7","4","5","7","1") = "8"
    & skf18("7","9","7","4","5","8","1") = "8"
    & skf18("7","9","7","4","5","9","1") = "8"
    & skf18("7","9","7","4","5","10","1") = "9"
    & skf18("7","9","7","4","6","1","1") = "8"
    & skf18("7","9","7","4","6","2","1") = "8"
    & skf18("7","9","7","4","6","3","1") = "8"
    & skf18("7","9","7","4","6","4","1") = "8"
    & skf18("7","9","7","4","6","5","1") = "8"
    & skf18("7","9","7","4","6","6","1") = "8"
    & skf18("7","9","7","4","6","7","1") = "8"
    & skf18("7","9","7","4","6","8","1") = "8"
    & skf18("7","9","7","4","6","9","1") = "8"
    & skf18("7","9","7","4","6","10","1") = "9"
    & skf18("7","9","7","4","7","1","1") = "8"
    & skf18("7","9","7","4","7","2","1") = "8"
    & skf18("7","9","7","4","7","3","1") = "8"
    & skf18("7","9","7","4","7","4","1") = "8"
    & skf18("7","9","7","4","7","5","1") = "8"
    & skf18("7","9","7","4","7","6","1") = "8"
    & skf18("7","9","7","4","7","7","1") = "8"
    & skf18("7","9","7","4","7","8","1") = "8"
    & skf18("7","9","7","4","7","9","1") = "8"
    & skf18("7","9","7","4","7","10","1") = "9"
    & skf18("7","9","7","4","8","1","1") = "8"
    & skf18("7","9","7","4","8","2","1") = "8"
    & skf18("7","9","7","4","8","3","1") = "8"
    & skf18("7","9","7","4","8","4","1") = "8"
    & skf18("7","9","7","4","8","5","1") = "8"
    & skf18("7","9","7","4","8","6","1") = "8"
    & skf18("7","9","7","4","8","7","1") = "8"
    & skf18("7","9","7","4","8","8","1") = "8"
    & skf18("7","9","7","4","8","9","1") = "8"
    & skf18("7","9","7","4","8","10","1") = "9"
    & skf18("7","9","7","4","9","1","1") = "8"
    & skf18("7","9","7","4","9","2","1") = "8"
    & skf18("7","9","7","4","9","3","1") = "8"
    & skf18("7","9","7","4","9","4","1") = "8"
    & skf18("7","9","7","4","9","5","1") = "8"
    & skf18("7","9","7","4","9","6","1") = "8"
    & skf18("7","9","7","4","9","7","1") = "8"
    & skf18("7","9","7","4","9","8","1") = "8"
    & skf18("7","9","7","4","9","9","1") = "8"
    & skf18("7","9","7","4","9","10","1") = "9"
    & skf18("7","9","7","4","10","1","1") = "9"
    & skf18("7","9","7","4","10","2","1") = "9"
    & skf18("7","9","7","4","10","3","1") = "9"
    & skf18("7","9","7","4","10","4","1") = "9"
    & skf18("7","9","7","4","10","5","1") = "9"
    & skf18("7","9","7","4","10","6","1") = "9"
    & skf18("7","9","7","4","10","7","1") = "9"
    & skf18("7","9","7","4","10","8","1") = "9"
    & skf18("7","9","7","4","10","9","1") = "9"
    & skf18("7","9","7","4","10","10","1") = "9"
    & skf18("7","9","7","5","1","1","1") = "8"
    & skf18("7","9","7","5","1","2","1") = "8"
    & skf18("7","9","7","5","1","3","1") = "8"
    & skf18("7","9","7","5","1","4","1") = "8"
    & skf18("7","9","7","5","1","5","1") = "8"
    & skf18("7","9","7","5","1","6","1") = "8"
    & skf18("7","9","7","5","1","7","1") = "8"
    & skf18("7","9","7","5","1","8","1") = "8"
    & skf18("7","9","7","5","1","9","1") = "8"
    & skf18("7","9","7","5","1","10","1") = "9"
    & skf18("7","9","7","5","2","1","1") = "8"
    & skf18("7","9","7","5","2","2","1") = "8"
    & skf18("7","9","7","5","2","3","1") = "8"
    & skf18("7","9","7","5","2","4","1") = "8"
    & skf18("7","9","7","5","2","5","1") = "8"
    & skf18("7","9","7","5","2","6","1") = "8"
    & skf18("7","9","7","5","2","7","1") = "8"
    & skf18("7","9","7","5","2","8","1") = "8"
    & skf18("7","9","7","5","2","9","1") = "8"
    & skf18("7","9","7","5","2","10","1") = "9"
    & skf18("7","9","7","5","3","1","1") = "8"
    & skf18("7","9","7","5","3","2","1") = "8"
    & skf18("7","9","7","5","3","3","1") = "8"
    & skf18("7","9","7","5","3","4","1") = "8"
    & skf18("7","9","7","5","3","5","1") = "8"
    & skf18("7","9","7","5","3","6","1") = "8"
    & skf18("7","9","7","5","3","7","1") = "8"
    & skf18("7","9","7","5","3","8","1") = "8"
    & skf18("7","9","7","5","3","9","1") = "8"
    & skf18("7","9","7","5","3","10","1") = "9"
    & skf18("7","9","7","5","4","1","1") = "8"
    & skf18("7","9","7","5","4","2","1") = "8"
    & skf18("7","9","7","5","4","3","1") = "8"
    & skf18("7","9","7","5","4","4","1") = "8"
    & skf18("7","9","7","5","4","5","1") = "8"
    & skf18("7","9","7","5","4","6","1") = "8"
    & skf18("7","9","7","5","4","7","1") = "8"
    & skf18("7","9","7","5","4","8","1") = "8"
    & skf18("7","9","7","5","4","9","1") = "8"
    & skf18("7","9","7","5","4","10","1") = "9"
    & skf18("7","9","7","5","5","1","1") = "8"
    & skf18("7","9","7","5","5","2","1") = "8"
    & skf18("7","9","7","5","5","3","1") = "8"
    & skf18("7","9","7","5","5","4","1") = "8"
    & skf18("7","9","7","5","5","5","1") = "8"
    & skf18("7","9","7","5","5","6","1") = "8"
    & skf18("7","9","7","5","5","7","1") = "8"
    & skf18("7","9","7","5","5","8","1") = "8"
    & skf18("7","9","7","5","5","9","1") = "8"
    & skf18("7","9","7","5","5","10","1") = "9"
    & skf18("7","9","7","5","6","1","1") = "8"
    & skf18("7","9","7","5","6","2","1") = "8"
    & skf18("7","9","7","5","6","3","1") = "8"
    & skf18("7","9","7","5","6","4","1") = "8"
    & skf18("7","9","7","5","6","5","1") = "8"
    & skf18("7","9","7","5","6","6","1") = "8"
    & skf18("7","9","7","5","6","7","1") = "8"
    & skf18("7","9","7","5","6","8","1") = "8"
    & skf18("7","9","7","5","6","9","1") = "8"
    & skf18("7","9","7","5","6","10","1") = "9"
    & skf18("7","9","7","5","7","1","1") = "8"
    & skf18("7","9","7","5","7","2","1") = "8"
    & skf18("7","9","7","5","7","3","1") = "8"
    & skf18("7","9","7","5","7","4","1") = "8"
    & skf18("7","9","7","5","7","5","1") = "8"
    & skf18("7","9","7","5","7","6","1") = "8"
    & skf18("7","9","7","5","7","7","1") = "8"
    & skf18("7","9","7","5","7","8","1") = "8"
    & skf18("7","9","7","5","7","9","1") = "8"
    & skf18("7","9","7","5","7","10","1") = "9"
    & skf18("7","9","7","5","8","1","1") = "8"
    & skf18("7","9","7","5","8","2","1") = "8"
    & skf18("7","9","7","5","8","3","1") = "8"
    & skf18("7","9","7","5","8","4","1") = "8"
    & skf18("7","9","7","5","8","5","1") = "8"
    & skf18("7","9","7","5","8","6","1") = "8"
    & skf18("7","9","7","5","8","7","1") = "8"
    & skf18("7","9","7","5","8","8","1") = "8"
    & skf18("7","9","7","5","8","9","1") = "8"
    & skf18("7","9","7","5","8","10","1") = "9"
    & skf18("7","9","7","5","9","1","1") = "8"
    & skf18("7","9","7","5","9","2","1") = "8"
    & skf18("7","9","7","5","9","3","1") = "8"
    & skf18("7","9","7","5","9","4","1") = "8"
    & skf18("7","9","7","5","9","5","1") = "8"
    & skf18("7","9","7","5","9","6","1") = "8"
    & skf18("7","9","7","5","9","7","1") = "8"
    & skf18("7","9","7","5","9","8","1") = "8"
    & skf18("7","9","7","5","9","9","1") = "8"
    & skf18("7","9","7","5","9","10","1") = "9"
    & skf18("7","9","7","5","10","1","1") = "9"
    & skf18("7","9","7","5","10","2","1") = "9"
    & skf18("7","9","7","5","10","3","1") = "9"
    & skf18("7","9","7","5","10","4","1") = "9"
    & skf18("7","9","7","5","10","5","1") = "9"
    & skf18("7","9","7","5","10","6","1") = "9"
    & skf18("7","9","7","5","10","7","1") = "9"
    & skf18("7","9","7","5","10","8","1") = "9"
    & skf18("7","9","7","5","10","9","1") = "9"
    & skf18("7","9","7","5","10","10","1") = "9"
    & skf18("7","9","7","6","1","1","1") = "8"
    & skf18("7","9","7","6","1","2","1") = "8"
    & skf18("7","9","7","6","1","3","1") = "8"
    & skf18("7","9","7","6","1","4","1") = "8"
    & skf18("7","9","7","6","1","5","1") = "8"
    & skf18("7","9","7","6","1","6","1") = "8"
    & skf18("7","9","7","6","1","7","1") = "8"
    & skf18("7","9","7","6","1","8","1") = "8"
    & skf18("7","9","7","6","1","9","1") = "8"
    & skf18("7","9","7","6","1","10","1") = "9"
    & skf18("7","9","7","6","2","1","1") = "8"
    & skf18("7","9","7","6","2","2","1") = "8"
    & skf18("7","9","7","6","2","3","1") = "8"
    & skf18("7","9","7","6","2","4","1") = "8"
    & skf18("7","9","7","6","2","5","1") = "8"
    & skf18("7","9","7","6","2","6","1") = "8"
    & skf18("7","9","7","6","2","7","1") = "8"
    & skf18("7","9","7","6","2","8","1") = "8"
    & skf18("7","9","7","6","2","9","1") = "8"
    & skf18("7","9","7","6","2","10","1") = "9"
    & skf18("7","9","7","6","3","1","1") = "8"
    & skf18("7","9","7","6","3","2","1") = "8"
    & skf18("7","9","7","6","3","3","1") = "8"
    & skf18("7","9","7","6","3","4","1") = "8"
    & skf18("7","9","7","6","3","5","1") = "8"
    & skf18("7","9","7","6","3","6","1") = "8"
    & skf18("7","9","7","6","3","7","1") = "8"
    & skf18("7","9","7","6","3","8","1") = "8"
    & skf18("7","9","7","6","3","9","1") = "8"
    & skf18("7","9","7","6","3","10","1") = "9"
    & skf18("7","9","7","6","4","1","1") = "8"
    & skf18("7","9","7","6","4","2","1") = "8"
    & skf18("7","9","7","6","4","3","1") = "8"
    & skf18("7","9","7","6","4","4","1") = "8"
    & skf18("7","9","7","6","4","5","1") = "8"
    & skf18("7","9","7","6","4","6","1") = "8"
    & skf18("7","9","7","6","4","7","1") = "8"
    & skf18("7","9","7","6","4","8","1") = "8"
    & skf18("7","9","7","6","4","9","1") = "8"
    & skf18("7","9","7","6","4","10","1") = "9"
    & skf18("7","9","7","6","5","1","1") = "8"
    & skf18("7","9","7","6","5","2","1") = "8"
    & skf18("7","9","7","6","5","3","1") = "8"
    & skf18("7","9","7","6","5","4","1") = "8"
    & skf18("7","9","7","6","5","5","1") = "8"
    & skf18("7","9","7","6","5","6","1") = "8"
    & skf18("7","9","7","6","5","7","1") = "8"
    & skf18("7","9","7","6","5","8","1") = "8"
    & skf18("7","9","7","6","5","9","1") = "8"
    & skf18("7","9","7","6","5","10","1") = "9"
    & skf18("7","9","7","6","6","1","1") = "8"
    & skf18("7","9","7","6","6","2","1") = "8"
    & skf18("7","9","7","6","6","3","1") = "8"
    & skf18("7","9","7","6","6","4","1") = "8"
    & skf18("7","9","7","6","6","5","1") = "8"
    & skf18("7","9","7","6","6","6","1") = "8"
    & skf18("7","9","7","6","6","7","1") = "8"
    & skf18("7","9","7","6","6","8","1") = "8"
    & skf18("7","9","7","6","6","9","1") = "8"
    & skf18("7","9","7","6","6","10","1") = "9"
    & skf18("7","9","7","6","7","1","1") = "8"
    & skf18("7","9","7","6","7","2","1") = "8"
    & skf18("7","9","7","6","7","3","1") = "8"
    & skf18("7","9","7","6","7","4","1") = "8"
    & skf18("7","9","7","6","7","5","1") = "8"
    & skf18("7","9","7","6","7","6","1") = "8"
    & skf18("7","9","7","6","7","7","1") = "8"
    & skf18("7","9","7","6","7","8","1") = "8"
    & skf18("7","9","7","6","7","9","1") = "8"
    & skf18("7","9","7","6","7","10","1") = "9"
    & skf18("7","9","7","6","8","1","1") = "8"
    & skf18("7","9","7","6","8","2","1") = "8"
    & skf18("7","9","7","6","8","3","1") = "8"
    & skf18("7","9","7","6","8","4","1") = "8"
    & skf18("7","9","7","6","8","5","1") = "8"
    & skf18("7","9","7","6","8","6","1") = "8"
    & skf18("7","9","7","6","8","7","1") = "8"
    & skf18("7","9","7","6","8","8","1") = "8"
    & skf18("7","9","7","6","8","9","1") = "8"
    & skf18("7","9","7","6","8","10","1") = "9"
    & skf18("7","9","7","6","9","1","1") = "8"
    & skf18("7","9","7","6","9","2","1") = "8"
    & skf18("7","9","7","6","9","3","1") = "8"
    & skf18("7","9","7","6","9","4","1") = "8"
    & skf18("7","9","7","6","9","5","1") = "8"
    & skf18("7","9","7","6","9","6","1") = "8"
    & skf18("7","9","7","6","9","7","1") = "8"
    & skf18("7","9","7","6","9","8","1") = "8"
    & skf18("7","9","7","6","9","9","1") = "8"
    & skf18("7","9","7","6","9","10","1") = "9"
    & skf18("7","9","7","6","10","1","1") = "9"
    & skf18("7","9","7","6","10","2","1") = "9"
    & skf18("7","9","7","6","10","3","1") = "9"
    & skf18("7","9","7","6","10","4","1") = "9"
    & skf18("7","9","7","6","10","5","1") = "9"
    & skf18("7","9","7","6","10","6","1") = "9"
    & skf18("7","9","7","6","10","7","1") = "9"
    & skf18("7","9","7","6","10","8","1") = "9"
    & skf18("7","9","7","6","10","9","1") = "9"
    & skf18("7","9","7","6","10","10","1") = "9"
    & skf18("7","9","7","7","1","1","1") = "8"
    & skf18("7","9","7","7","1","2","1") = "8"
    & skf18("7","9","7","7","1","3","1") = "8"
    & skf18("7","9","7","7","1","4","1") = "8"
    & skf18("7","9","7","7","1","5","1") = "8"
    & skf18("7","9","7","7","1","6","1") = "8"
    & skf18("7","9","7","7","1","7","1") = "8"
    & skf18("7","9","7","7","1","8","1") = "8"
    & skf18("7","9","7","7","1","9","1") = "8"
    & skf18("7","9","7","7","1","10","1") = "9"
    & skf18("7","9","7","7","2","1","1") = "8"
    & skf18("7","9","7","7","2","2","1") = "8"
    & skf18("7","9","7","7","2","3","1") = "8"
    & skf18("7","9","7","7","2","4","1") = "8"
    & skf18("7","9","7","7","2","5","1") = "8"
    & skf18("7","9","7","7","2","6","1") = "8"
    & skf18("7","9","7","7","2","7","1") = "8"
    & skf18("7","9","7","7","2","8","1") = "8"
    & skf18("7","9","7","7","2","9","1") = "8"
    & skf18("7","9","7","7","2","10","1") = "9"
    & skf18("7","9","7","7","3","1","1") = "8"
    & skf18("7","9","7","7","3","2","1") = "8"
    & skf18("7","9","7","7","3","3","1") = "8"
    & skf18("7","9","7","7","3","4","1") = "8"
    & skf18("7","9","7","7","3","5","1") = "8"
    & skf18("7","9","7","7","3","6","1") = "8"
    & skf18("7","9","7","7","3","7","1") = "8"
    & skf18("7","9","7","7","3","8","1") = "8"
    & skf18("7","9","7","7","3","9","1") = "8"
    & skf18("7","9","7","7","3","10","1") = "9"
    & skf18("7","9","7","7","4","1","1") = "8"
    & skf18("7","9","7","7","4","2","1") = "8"
    & skf18("7","9","7","7","4","3","1") = "8"
    & skf18("7","9","7","7","4","4","1") = "8"
    & skf18("7","9","7","7","4","5","1") = "8"
    & skf18("7","9","7","7","4","6","1") = "8"
    & skf18("7","9","7","7","4","7","1") = "8"
    & skf18("7","9","7","7","4","8","1") = "8"
    & skf18("7","9","7","7","4","9","1") = "8"
    & skf18("7","9","7","7","4","10","1") = "9"
    & skf18("7","9","7","7","5","1","1") = "8"
    & skf18("7","9","7","7","5","2","1") = "8"
    & skf18("7","9","7","7","5","3","1") = "8"
    & skf18("7","9","7","7","5","4","1") = "8"
    & skf18("7","9","7","7","5","5","1") = "8"
    & skf18("7","9","7","7","5","6","1") = "8"
    & skf18("7","9","7","7","5","7","1") = "8"
    & skf18("7","9","7","7","5","8","1") = "8"
    & skf18("7","9","7","7","5","9","1") = "8"
    & skf18("7","9","7","7","5","10","1") = "9"
    & skf18("7","9","7","7","6","1","1") = "8"
    & skf18("7","9","7","7","6","2","1") = "8"
    & skf18("7","9","7","7","6","3","1") = "8"
    & skf18("7","9","7","7","6","4","1") = "8"
    & skf18("7","9","7","7","6","5","1") = "8"
    & skf18("7","9","7","7","6","6","1") = "8"
    & skf18("7","9","7","7","6","7","1") = "8"
    & skf18("7","9","7","7","6","8","1") = "8"
    & skf18("7","9","7","7","6","9","1") = "8"
    & skf18("7","9","7","7","6","10","1") = "9"
    & skf18("7","9","7","7","7","1","1") = "8"
    & skf18("7","9","7","7","7","2","1") = "8"
    & skf18("7","9","7","7","7","3","1") = "8"
    & skf18("7","9","7","7","7","4","1") = "8"
    & skf18("7","9","7","7","7","5","1") = "8"
    & skf18("7","9","7","7","7","6","1") = "8"
    & skf18("7","9","7","7","7","7","1") = "8"
    & skf18("7","9","7","7","7","8","1") = "8"
    & skf18("7","9","7","7","7","9","1") = "8"
    & skf18("7","9","7","7","7","10","1") = "9"
    & skf18("7","9","7","7","8","1","1") = "8"
    & skf18("7","9","7","7","8","2","1") = "8"
    & skf18("7","9","7","7","8","3","1") = "8"
    & skf18("7","9","7","7","8","4","1") = "8"
    & skf18("7","9","7","7","8","5","1") = "8"
    & skf18("7","9","7","7","8","6","1") = "8"
    & skf18("7","9","7","7","8","7","1") = "8"
    & skf18("7","9","7","7","8","8","1") = "8"
    & skf18("7","9","7","7","8","9","1") = "8"
    & skf18("7","9","7","7","8","10","1") = "9"
    & skf18("7","9","7","7","9","1","1") = "8"
    & skf18("7","9","7","7","9","2","1") = "8"
    & skf18("7","9","7","7","9","3","1") = "8"
    & skf18("7","9","7","7","9","4","1") = "8"
    & skf18("7","9","7","7","9","5","1") = "8"
    & skf18("7","9","7","7","9","6","1") = "8"
    & skf18("7","9","7","7","9","7","1") = "8"
    & skf18("7","9","7","7","9","8","1") = "8"
    & skf18("7","9","7","7","9","9","1") = "8"
    & skf18("7","9","7","7","9","10","1") = "9"
    & skf18("7","9","7","7","10","1","1") = "9"
    & skf18("7","9","7","7","10","2","1") = "9"
    & skf18("7","9","7","7","10","3","1") = "9"
    & skf18("7","9","7","7","10","4","1") = "9"
    & skf18("7","9","7","7","10","5","1") = "9"
    & skf18("7","9","7","7","10","6","1") = "9"
    & skf18("7","9","7","7","10","7","1") = "9"
    & skf18("7","9","7","7","10","8","1") = "9"
    & skf18("7","9","7","7","10","9","1") = "9"
    & skf18("7","9","7","7","10","10","1") = "9"
    & skf18("7","9","7","8","1","1","1") = "8"
    & skf18("7","9","7","8","1","2","1") = "8"
    & skf18("7","9","7","8","1","3","1") = "8"
    & skf18("7","9","7","8","1","4","1") = "8"
    & skf18("7","9","7","8","1","5","1") = "8"
    & skf18("7","9","7","8","1","6","1") = "8"
    & skf18("7","9","7","8","1","7","1") = "8"
    & skf18("7","9","7","8","1","8","1") = "8"
    & skf18("7","9","7","8","1","9","1") = "8"
    & skf18("7","9","7","8","1","10","1") = "9"
    & skf18("7","9","7","8","2","1","1") = "8"
    & skf18("7","9","7","8","2","2","1") = "8"
    & skf18("7","9","7","8","2","3","1") = "8"
    & skf18("7","9","7","8","2","4","1") = "8"
    & skf18("7","9","7","8","2","5","1") = "8"
    & skf18("7","9","7","8","2","6","1") = "8"
    & skf18("7","9","7","8","2","7","1") = "8"
    & skf18("7","9","7","8","2","8","1") = "8"
    & skf18("7","9","7","8","2","9","1") = "8"
    & skf18("7","9","7","8","2","10","1") = "9"
    & skf18("7","9","7","8","3","1","1") = "8"
    & skf18("7","9","7","8","3","2","1") = "8"
    & skf18("7","9","7","8","3","3","1") = "8"
    & skf18("7","9","7","8","3","4","1") = "8"
    & skf18("7","9","7","8","3","5","1") = "8"
    & skf18("7","9","7","8","3","6","1") = "8"
    & skf18("7","9","7","8","3","7","1") = "8"
    & skf18("7","9","7","8","3","8","1") = "8"
    & skf18("7","9","7","8","3","9","1") = "8"
    & skf18("7","9","7","8","3","10","1") = "9"
    & skf18("7","9","7","8","4","1","1") = "8"
    & skf18("7","9","7","8","4","2","1") = "8"
    & skf18("7","9","7","8","4","3","1") = "8"
    & skf18("7","9","7","8","4","4","1") = "8"
    & skf18("7","9","7","8","4","5","1") = "8"
    & skf18("7","9","7","8","4","6","1") = "8"
    & skf18("7","9","7","8","4","7","1") = "8"
    & skf18("7","9","7","8","4","8","1") = "8"
    & skf18("7","9","7","8","4","9","1") = "8"
    & skf18("7","9","7","8","4","10","1") = "9"
    & skf18("7","9","7","8","5","1","1") = "8"
    & skf18("7","9","7","8","5","2","1") = "8"
    & skf18("7","9","7","8","5","3","1") = "8"
    & skf18("7","9","7","8","5","4","1") = "8"
    & skf18("7","9","7","8","5","5","1") = "8"
    & skf18("7","9","7","8","5","6","1") = "8"
    & skf18("7","9","7","8","5","7","1") = "8"
    & skf18("7","9","7","8","5","8","1") = "8"
    & skf18("7","9","7","8","5","9","1") = "8"
    & skf18("7","9","7","8","5","10","1") = "9"
    & skf18("7","9","7","8","6","1","1") = "8"
    & skf18("7","9","7","8","6","2","1") = "8"
    & skf18("7","9","7","8","6","3","1") = "8"
    & skf18("7","9","7","8","6","4","1") = "8"
    & skf18("7","9","7","8","6","5","1") = "8"
    & skf18("7","9","7","8","6","6","1") = "8"
    & skf18("7","9","7","8","6","7","1") = "8"
    & skf18("7","9","7","8","6","8","1") = "8"
    & skf18("7","9","7","8","6","9","1") = "8"
    & skf18("7","9","7","8","6","10","1") = "9"
    & skf18("7","9","7","8","7","1","1") = "8"
    & skf18("7","9","7","8","7","2","1") = "8"
    & skf18("7","9","7","8","7","3","1") = "8"
    & skf18("7","9","7","8","7","4","1") = "8"
    & skf18("7","9","7","8","7","5","1") = "8"
    & skf18("7","9","7","8","7","6","1") = "8"
    & skf18("7","9","7","8","7","7","1") = "8"
    & skf18("7","9","7","8","7","8","1") = "8"
    & skf18("7","9","7","8","7","9","1") = "8"
    & skf18("7","9","7","8","7","10","1") = "9"
    & skf18("7","9","7","8","8","1","1") = "8"
    & skf18("7","9","7","8","8","2","1") = "8"
    & skf18("7","9","7","8","8","3","1") = "8"
    & skf18("7","9","7","8","8","4","1") = "8"
    & skf18("7","9","7","8","8","5","1") = "8"
    & skf18("7","9","7","8","8","6","1") = "8"
    & skf18("7","9","7","8","8","7","1") = "8"
    & skf18("7","9","7","8","8","8","1") = "8"
    & skf18("7","9","7","8","8","9","1") = "8"
    & skf18("7","9","7","8","8","10","1") = "9"
    & skf18("7","9","7","8","9","1","1") = "8"
    & skf18("7","9","7","8","9","2","1") = "8"
    & skf18("7","9","7","8","9","3","1") = "8"
    & skf18("7","9","7","8","9","4","1") = "8"
    & skf18("7","9","7","8","9","5","1") = "8"
    & skf18("7","9","7","8","9","6","1") = "8"
    & skf18("7","9","7","8","9","7","1") = "8"
    & skf18("7","9","7","8","9","8","1") = "8"
    & skf18("7","9","7","8","9","9","1") = "8"
    & skf18("7","9","7","8","9","10","1") = "9"
    & skf18("7","9","7","8","10","1","1") = "9"
    & skf18("7","9","7","8","10","2","1") = "9"
    & skf18("7","9","7","8","10","3","1") = "9"
    & skf18("7","9","7","8","10","4","1") = "9"
    & skf18("7","9","7","8","10","5","1") = "9"
    & skf18("7","9","7","8","10","6","1") = "9"
    & skf18("7","9","7","8","10","7","1") = "9"
    & skf18("7","9","7","8","10","8","1") = "9"
    & skf18("7","9","7","8","10","9","1") = "9"
    & skf18("7","9","7","8","10","10","1") = "9"
    & skf18("7","9","7","9","1","1","1") = "8"
    & skf18("7","9","7","9","1","2","1") = "8"
    & skf18("7","9","7","9","1","3","1") = "8"
    & skf18("7","9","7","9","1","4","1") = "8"
    & skf18("7","9","7","9","1","5","1") = "8"
    & skf18("7","9","7","9","1","6","1") = "8"
    & skf18("7","9","7","9","1","7","1") = "8"
    & skf18("7","9","7","9","1","8","1") = "8"
    & skf18("7","9","7","9","1","9","1") = "8"
    & skf18("7","9","7","9","1","10","1") = "9"
    & skf18("7","9","7","9","2","1","1") = "8"
    & skf18("7","9","7","9","2","2","1") = "8"
    & skf18("7","9","7","9","2","3","1") = "8"
    & skf18("7","9","7","9","2","4","1") = "8"
    & skf18("7","9","7","9","2","5","1") = "8"
    & skf18("7","9","7","9","2","6","1") = "8"
    & skf18("7","9","7","9","2","7","1") = "8"
    & skf18("7","9","7","9","2","8","1") = "8"
    & skf18("7","9","7","9","2","9","1") = "8"
    & skf18("7","9","7","9","2","10","1") = "9"
    & skf18("7","9","7","9","3","1","1") = "8"
    & skf18("7","9","7","9","3","2","1") = "8"
    & skf18("7","9","7","9","3","3","1") = "8"
    & skf18("7","9","7","9","3","4","1") = "8"
    & skf18("7","9","7","9","3","5","1") = "8"
    & skf18("7","9","7","9","3","6","1") = "8"
    & skf18("7","9","7","9","3","7","1") = "8"
    & skf18("7","9","7","9","3","8","1") = "8"
    & skf18("7","9","7","9","3","9","1") = "8"
    & skf18("7","9","7","9","3","10","1") = "9"
    & skf18("7","9","7","9","4","1","1") = "8"
    & skf18("7","9","7","9","4","2","1") = "8"
    & skf18("7","9","7","9","4","3","1") = "8"
    & skf18("7","9","7","9","4","4","1") = "8"
    & skf18("7","9","7","9","4","5","1") = "8"
    & skf18("7","9","7","9","4","6","1") = "8"
    & skf18("7","9","7","9","4","7","1") = "8"
    & skf18("7","9","7","9","4","8","1") = "8"
    & skf18("7","9","7","9","4","9","1") = "8"
    & skf18("7","9","7","9","4","10","1") = "9"
    & skf18("7","9","7","9","5","1","1") = "8"
    & skf18("7","9","7","9","5","2","1") = "8"
    & skf18("7","9","7","9","5","3","1") = "8"
    & skf18("7","9","7","9","5","4","1") = "8"
    & skf18("7","9","7","9","5","5","1") = "8"
    & skf18("7","9","7","9","5","6","1") = "8"
    & skf18("7","9","7","9","5","7","1") = "8"
    & skf18("7","9","7","9","5","8","1") = "8"
    & skf18("7","9","7","9","5","9","1") = "8"
    & skf18("7","9","7","9","5","10","1") = "9"
    & skf18("7","9","7","9","6","1","1") = "8"
    & skf18("7","9","7","9","6","2","1") = "8"
    & skf18("7","9","7","9","6","3","1") = "8"
    & skf18("7","9","7","9","6","4","1") = "8"
    & skf18("7","9","7","9","6","5","1") = "8"
    & skf18("7","9","7","9","6","6","1") = "8"
    & skf18("7","9","7","9","6","7","1") = "8"
    & skf18("7","9","7","9","6","8","1") = "8"
    & skf18("7","9","7","9","6","9","1") = "8"
    & skf18("7","9","7","9","6","10","1") = "9"
    & skf18("7","9","7","9","7","1","1") = "8"
    & skf18("7","9","7","9","7","2","1") = "8"
    & skf18("7","9","7","9","7","3","1") = "8"
    & skf18("7","9","7","9","7","4","1") = "8"
    & skf18("7","9","7","9","7","5","1") = "8"
    & skf18("7","9","7","9","7","6","1") = "8"
    & skf18("7","9","7","9","7","7","1") = "8"
    & skf18("7","9","7","9","7","8","1") = "8"
    & skf18("7","9","7","9","7","9","1") = "8"
    & skf18("7","9","7","9","7","10","1") = "9"
    & skf18("7","9","7","9","8","1","1") = "8"
    & skf18("7","9","7","9","8","2","1") = "8"
    & skf18("7","9","7","9","8","3","1") = "8"
    & skf18("7","9","7","9","8","4","1") = "8"
    & skf18("7","9","7","9","8","5","1") = "8"
    & skf18("7","9","7","9","8","6","1") = "8"
    & skf18("7","9","7","9","8","7","1") = "8"
    & skf18("7","9","7","9","8","8","1") = "8"
    & skf18("7","9","7","9","8","9","1") = "8"
    & skf18("7","9","7","9","8","10","1") = "9"
    & skf18("7","9","7","9","9","1","1") = "8"
    & skf18("7","9","7","9","9","2","1") = "8"
    & skf18("7","9","7","9","9","3","1") = "8"
    & skf18("7","9","7","9","9","4","1") = "8"
    & skf18("7","9","7","9","9","5","1") = "8"
    & skf18("7","9","7","9","9","6","1") = "8"
    & skf18("7","9","7","9","9","7","1") = "8"
    & skf18("7","9","7","9","9","8","1") = "8"
    & skf18("7","9","7","9","9","9","1") = "8"
    & skf18("7","9","7","9","9","10","1") = "9"
    & skf18("7","9","7","9","10","1","1") = "9"
    & skf18("7","9","7","9","10","2","1") = "9"
    & skf18("7","9","7","9","10","3","1") = "9"
    & skf18("7","9","7","9","10","4","1") = "9"
    & skf18("7","9","7","9","10","5","1") = "9"
    & skf18("7","9","7","9","10","6","1") = "9"
    & skf18("7","9","7","9","10","7","1") = "9"
    & skf18("7","9","7","9","10","8","1") = "9"
    & skf18("7","9","7","9","10","9","1") = "9"
    & skf18("7","9","7","9","10","10","1") = "9"
    & skf18("7","9","7","10","1","1","1") = "9"
    & skf18("7","9","7","10","1","2","1") = "9"
    & skf18("7","9","7","10","1","3","1") = "9"
    & skf18("7","9","7","10","1","4","1") = "9"
    & skf18("7","9","7","10","1","5","1") = "9"
    & skf18("7","9","7","10","1","6","1") = "9"
    & skf18("7","9","7","10","1","7","1") = "9"
    & skf18("7","9","7","10","1","8","1") = "9"
    & skf18("7","9","7","10","1","9","1") = "9"
    & skf18("7","9","7","10","1","10","1") = "9"
    & skf18("7","9","7","10","2","1","1") = "9"
    & skf18("7","9","7","10","2","2","1") = "9"
    & skf18("7","9","7","10","2","3","1") = "9"
    & skf18("7","9","7","10","2","4","1") = "9"
    & skf18("7","9","7","10","2","5","1") = "9"
    & skf18("7","9","7","10","2","6","1") = "9"
    & skf18("7","9","7","10","2","7","1") = "9"
    & skf18("7","9","7","10","2","8","1") = "9"
    & skf18("7","9","7","10","2","9","1") = "9"
    & skf18("7","9","7","10","2","10","1") = "9"
    & skf18("7","9","7","10","3","1","1") = "9"
    & skf18("7","9","7","10","3","2","1") = "9"
    & skf18("7","9","7","10","3","3","1") = "9"
    & skf18("7","9","7","10","3","4","1") = "9"
    & skf18("7","9","7","10","3","5","1") = "9"
    & skf18("7","9","7","10","3","6","1") = "9"
    & skf18("7","9","7","10","3","7","1") = "9"
    & skf18("7","9","7","10","3","8","1") = "9"
    & skf18("7","9","7","10","3","9","1") = "9"
    & skf18("7","9","7","10","3","10","1") = "9"
    & skf18("7","9","7","10","4","1","1") = "9"
    & skf18("7","9","7","10","4","2","1") = "9"
    & skf18("7","9","7","10","4","3","1") = "9"
    & skf18("7","9","7","10","4","4","1") = "9"
    & skf18("7","9","7","10","4","5","1") = "9"
    & skf18("7","9","7","10","4","6","1") = "9"
    & skf18("7","9","7","10","4","7","1") = "9"
    & skf18("7","9","7","10","4","8","1") = "9"
    & skf18("7","9","7","10","4","9","1") = "9"
    & skf18("7","9","7","10","4","10","1") = "9"
    & skf18("7","9","7","10","5","1","1") = "9"
    & skf18("7","9","7","10","5","2","1") = "9"
    & skf18("7","9","7","10","5","3","1") = "9"
    & skf18("7","9","7","10","5","4","1") = "9"
    & skf18("7","9","7","10","5","5","1") = "9"
    & skf18("7","9","7","10","5","6","1") = "9"
    & skf18("7","9","7","10","5","7","1") = "9"
    & skf18("7","9","7","10","5","8","1") = "9"
    & skf18("7","9","7","10","5","9","1") = "9"
    & skf18("7","9","7","10","5","10","1") = "9"
    & skf18("7","9","7","10","6","1","1") = "9"
    & skf18("7","9","7","10","6","2","1") = "9"
    & skf18("7","9","7","10","6","3","1") = "9"
    & skf18("7","9","7","10","6","4","1") = "9"
    & skf18("7","9","7","10","6","5","1") = "9"
    & skf18("7","9","7","10","6","6","1") = "9"
    & skf18("7","9","7","10","6","7","1") = "9"
    & skf18("7","9","7","10","6","8","1") = "9"
    & skf18("7","9","7","10","6","9","1") = "9"
    & skf18("7","9","7","10","6","10","1") = "9"
    & skf18("7","9","7","10","7","1","1") = "9"
    & skf18("7","9","7","10","7","2","1") = "9"
    & skf18("7","9","7","10","7","3","1") = "9"
    & skf18("7","9","7","10","7","4","1") = "9"
    & skf18("7","9","7","10","7","5","1") = "9"
    & skf18("7","9","7","10","7","6","1") = "9"
    & skf18("7","9","7","10","7","7","1") = "9"
    & skf18("7","9","7","10","7","8","1") = "9"
    & skf18("7","9","7","10","7","9","1") = "9"
    & skf18("7","9","7","10","7","10","1") = "9"
    & skf18("7","9","7","10","8","1","1") = "9"
    & skf18("7","9","7","10","8","2","1") = "9"
    & skf18("7","9","7","10","8","3","1") = "9"
    & skf18("7","9","7","10","8","4","1") = "9"
    & skf18("7","9","7","10","8","5","1") = "9"
    & skf18("7","9","7","10","8","6","1") = "9"
    & skf18("7","9","7","10","8","7","1") = "9"
    & skf18("7","9","7","10","8","8","1") = "9"
    & skf18("7","9","7","10","8","9","1") = "9"
    & skf18("7","9","7","10","8","10","1") = "9"
    & skf18("7","9","7","10","9","1","1") = "9"
    & skf18("7","9","7","10","9","2","1") = "9"
    & skf18("7","9","7","10","9","3","1") = "9"
    & skf18("7","9","7","10","9","4","1") = "9"
    & skf18("7","9","7","10","9","5","1") = "9"
    & skf18("7","9","7","10","9","6","1") = "9"
    & skf18("7","9","7","10","9","7","1") = "9"
    & skf18("7","9","7","10","9","8","1") = "9"
    & skf18("7","9","7","10","9","9","1") = "9"
    & skf18("7","9","7","10","9","10","1") = "9"
    & skf18("7","9","7","10","10","1","1") = "9"
    & skf18("7","9","7","10","10","2","1") = "9"
    & skf18("7","9","7","10","10","3","1") = "9"
    & skf18("7","9","7","10","10","4","1") = "9"
    & skf18("7","9","7","10","10","5","1") = "9"
    & skf18("7","9","7","10","10","6","1") = "9"
    & skf18("7","9","7","10","10","7","1") = "9"
    & skf18("7","9","7","10","10","8","1") = "9"
    & skf18("7","9","7","10","10","9","1") = "9"
    & skf18("7","9","7","10","10","10","1") = "9"
    & skf18("7","9","8","1","1","1","1") = "8"
    & skf18("7","9","8","1","1","2","1") = "8"
    & skf18("7","9","8","1","1","3","1") = "8"
    & skf18("7","9","8","1","1","4","1") = "8"
    & skf18("7","9","8","1","1","5","1") = "8"
    & skf18("7","9","8","1","1","6","1") = "8"
    & skf18("7","9","8","1","1","7","1") = "8"
    & skf18("7","9","8","1","1","8","1") = "8"
    & skf18("7","9","8","1","1","9","1") = "8"
    & skf18("7","9","8","1","1","10","1") = "9"
    & skf18("7","9","8","1","2","1","1") = "8"
    & skf18("7","9","8","1","2","2","1") = "8"
    & skf18("7","9","8","1","2","3","1") = "8"
    & skf18("7","9","8","1","2","4","1") = "8"
    & skf18("7","9","8","1","2","5","1") = "8"
    & skf18("7","9","8","1","2","6","1") = "8"
    & skf18("7","9","8","1","2","7","1") = "8"
    & skf18("7","9","8","1","2","8","1") = "8"
    & skf18("7","9","8","1","2","9","1") = "8"
    & skf18("7","9","8","1","2","10","1") = "9"
    & skf18("7","9","8","1","3","1","1") = "8"
    & skf18("7","9","8","1","3","2","1") = "8"
    & skf18("7","9","8","1","3","3","1") = "8"
    & skf18("7","9","8","1","3","4","1") = "8"
    & skf18("7","9","8","1","3","5","1") = "8"
    & skf18("7","9","8","1","3","6","1") = "8"
    & skf18("7","9","8","1","3","7","1") = "8"
    & skf18("7","9","8","1","3","8","1") = "8"
    & skf18("7","9","8","1","3","9","1") = "8"
    & skf18("7","9","8","1","3","10","1") = "9"
    & skf18("7","9","8","1","4","1","1") = "8"
    & skf18("7","9","8","1","4","2","1") = "8"
    & skf18("7","9","8","1","4","3","1") = "8"
    & skf18("7","9","8","1","4","4","1") = "8"
    & skf18("7","9","8","1","4","5","1") = "8"
    & skf18("7","9","8","1","4","6","1") = "8"
    & skf18("7","9","8","1","4","7","1") = "8"
    & skf18("7","9","8","1","4","8","1") = "8"
    & skf18("7","9","8","1","4","9","1") = "8"
    & skf18("7","9","8","1","4","10","1") = "9"
    & skf18("7","9","8","1","5","1","1") = "8"
    & skf18("7","9","8","1","5","2","1") = "8"
    & skf18("7","9","8","1","5","3","1") = "8"
    & skf18("7","9","8","1","5","4","1") = "8"
    & skf18("7","9","8","1","5","5","1") = "8"
    & skf18("7","9","8","1","5","6","1") = "8"
    & skf18("7","9","8","1","5","7","1") = "8"
    & skf18("7","9","8","1","5","8","1") = "8"
    & skf18("7","9","8","1","5","9","1") = "8"
    & skf18("7","9","8","1","5","10","1") = "9"
    & skf18("7","9","8","1","6","1","1") = "8"
    & skf18("7","9","8","1","6","2","1") = "8"
    & skf18("7","9","8","1","6","3","1") = "8"
    & skf18("7","9","8","1","6","4","1") = "8"
    & skf18("7","9","8","1","6","5","1") = "8"
    & skf18("7","9","8","1","6","6","1") = "8"
    & skf18("7","9","8","1","6","7","1") = "8"
    & skf18("7","9","8","1","6","8","1") = "8"
    & skf18("7","9","8","1","6","9","1") = "8"
    & skf18("7","9","8","1","6","10","1") = "9"
    & skf18("7","9","8","1","7","1","1") = "8"
    & skf18("7","9","8","1","7","2","1") = "8"
    & skf18("7","9","8","1","7","3","1") = "8"
    & skf18("7","9","8","1","7","4","1") = "8"
    & skf18("7","9","8","1","7","5","1") = "8"
    & skf18("7","9","8","1","7","6","1") = "8"
    & skf18("7","9","8","1","7","7","1") = "8"
    & skf18("7","9","8","1","7","8","1") = "8"
    & skf18("7","9","8","1","7","9","1") = "8"
    & skf18("7","9","8","1","7","10","1") = "9"
    & skf18("7","9","8","1","8","1","1") = "8"
    & skf18("7","9","8","1","8","2","1") = "8"
    & skf18("7","9","8","1","8","3","1") = "8"
    & skf18("7","9","8","1","8","4","1") = "8"
    & skf18("7","9","8","1","8","5","1") = "8"
    & skf18("7","9","8","1","8","6","1") = "8"
    & skf18("7","9","8","1","8","7","1") = "8"
    & skf18("7","9","8","1","8","8","1") = "8"
    & skf18("7","9","8","1","8","9","1") = "8"
    & skf18("7","9","8","1","8","10","1") = "9"
    & skf18("7","9","8","1","9","1","1") = "8"
    & skf18("7","9","8","1","9","2","1") = "8"
    & skf18("7","9","8","1","9","3","1") = "8"
    & skf18("7","9","8","1","9","4","1") = "8"
    & skf18("7","9","8","1","9","5","1") = "8"
    & skf18("7","9","8","1","9","6","1") = "8"
    & skf18("7","9","8","1","9","7","1") = "8"
    & skf18("7","9","8","1","9","8","1") = "8"
    & skf18("7","9","8","1","9","9","1") = "8"
    & skf18("7","9","8","1","9","10","1") = "9"
    & skf18("7","9","8","1","10","1","1") = "9"
    & skf18("7","9","8","1","10","2","1") = "9"
    & skf18("7","9","8","1","10","3","1") = "9"
    & skf18("7","9","8","1","10","4","1") = "9"
    & skf18("7","9","8","1","10","5","1") = "9"
    & skf18("7","9","8","1","10","6","1") = "9"
    & skf18("7","9","8","1","10","7","1") = "9"
    & skf18("7","9","8","1","10","8","1") = "9"
    & skf18("7","9","8","1","10","9","1") = "9"
    & skf18("7","9","8","1","10","10","1") = "9"
    & skf18("7","9","8","2","1","1","1") = "8"
    & skf18("7","9","8","2","1","2","1") = "8"
    & skf18("7","9","8","2","1","3","1") = "8"
    & skf18("7","9","8","2","1","4","1") = "8"
    & skf18("7","9","8","2","1","5","1") = "8"
    & skf18("7","9","8","2","1","6","1") = "8"
    & skf18("7","9","8","2","1","7","1") = "8"
    & skf18("7","9","8","2","1","8","1") = "8"
    & skf18("7","9","8","2","1","9","1") = "8"
    & skf18("7","9","8","2","1","10","1") = "9"
    & skf18("7","9","8","2","2","1","1") = "8"
    & skf18("7","9","8","2","2","2","1") = "8"
    & skf18("7","9","8","2","2","3","1") = "8"
    & skf18("7","9","8","2","2","4","1") = "8"
    & skf18("7","9","8","2","2","5","1") = "8"
    & skf18("7","9","8","2","2","6","1") = "8"
    & skf18("7","9","8","2","2","7","1") = "8"
    & skf18("7","9","8","2","2","8","1") = "8"
    & skf18("7","9","8","2","2","9","1") = "8"
    & skf18("7","9","8","2","2","10","1") = "9"
    & skf18("7","9","8","2","3","1","1") = "8"
    & skf18("7","9","8","2","3","2","1") = "8"
    & skf18("7","9","8","2","3","3","1") = "8"
    & skf18("7","9","8","2","3","4","1") = "8"
    & skf18("7","9","8","2","3","5","1") = "8"
    & skf18("7","9","8","2","3","6","1") = "8"
    & skf18("7","9","8","2","3","7","1") = "8"
    & skf18("7","9","8","2","3","8","1") = "8"
    & skf18("7","9","8","2","3","9","1") = "8"
    & skf18("7","9","8","2","3","10","1") = "9"
    & skf18("7","9","8","2","4","1","1") = "8"
    & skf18("7","9","8","2","4","2","1") = "8"
    & skf18("7","9","8","2","4","3","1") = "8"
    & skf18("7","9","8","2","4","4","1") = "8"
    & skf18("7","9","8","2","4","5","1") = "8"
    & skf18("7","9","8","2","4","6","1") = "8"
    & skf18("7","9","8","2","4","7","1") = "8"
    & skf18("7","9","8","2","4","8","1") = "8"
    & skf18("7","9","8","2","4","9","1") = "8"
    & skf18("7","9","8","2","4","10","1") = "9"
    & skf18("7","9","8","2","5","1","1") = "8"
    & skf18("7","9","8","2","5","2","1") = "8"
    & skf18("7","9","8","2","5","3","1") = "8"
    & skf18("7","9","8","2","5","4","1") = "8"
    & skf18("7","9","8","2","5","5","1") = "8"
    & skf18("7","9","8","2","5","6","1") = "8"
    & skf18("7","9","8","2","5","7","1") = "8"
    & skf18("7","9","8","2","5","8","1") = "8"
    & skf18("7","9","8","2","5","9","1") = "8"
    & skf18("7","9","8","2","5","10","1") = "9"
    & skf18("7","9","8","2","6","1","1") = "8"
    & skf18("7","9","8","2","6","2","1") = "8"
    & skf18("7","9","8","2","6","3","1") = "8"
    & skf18("7","9","8","2","6","4","1") = "8"
    & skf18("7","9","8","2","6","5","1") = "8"
    & skf18("7","9","8","2","6","6","1") = "8"
    & skf18("7","9","8","2","6","7","1") = "8"
    & skf18("7","9","8","2","6","8","1") = "8"
    & skf18("7","9","8","2","6","9","1") = "8"
    & skf18("7","9","8","2","6","10","1") = "9"
    & skf18("7","9","8","2","7","1","1") = "8"
    & skf18("7","9","8","2","7","2","1") = "8"
    & skf18("7","9","8","2","7","3","1") = "8"
    & skf18("7","9","8","2","7","4","1") = "8"
    & skf18("7","9","8","2","7","5","1") = "8"
    & skf18("7","9","8","2","7","6","1") = "8"
    & skf18("7","9","8","2","7","7","1") = "8"
    & skf18("7","9","8","2","7","8","1") = "8"
    & skf18("7","9","8","2","7","9","1") = "8"
    & skf18("7","9","8","2","7","10","1") = "9"
    & skf18("7","9","8","2","8","1","1") = "8"
    & skf18("7","9","8","2","8","2","1") = "8"
    & skf18("7","9","8","2","8","3","1") = "8"
    & skf18("7","9","8","2","8","4","1") = "8"
    & skf18("7","9","8","2","8","5","1") = "8"
    & skf18("7","9","8","2","8","6","1") = "8"
    & skf18("7","9","8","2","8","7","1") = "8"
    & skf18("7","9","8","2","8","8","1") = "8"
    & skf18("7","9","8","2","8","9","1") = "8"
    & skf18("7","9","8","2","8","10","1") = "9"
    & skf18("7","9","8","2","9","1","1") = "8"
    & skf18("7","9","8","2","9","2","1") = "8"
    & skf18("7","9","8","2","9","3","1") = "8"
    & skf18("7","9","8","2","9","4","1") = "8"
    & skf18("7","9","8","2","9","5","1") = "8"
    & skf18("7","9","8","2","9","6","1") = "8"
    & skf18("7","9","8","2","9","7","1") = "8"
    & skf18("7","9","8","2","9","8","1") = "8"
    & skf18("7","9","8","2","9","9","1") = "8"
    & skf18("7","9","8","2","9","10","1") = "9"
    & skf18("7","9","8","2","10","1","1") = "9"
    & skf18("7","9","8","2","10","2","1") = "9"
    & skf18("7","9","8","2","10","3","1") = "9"
    & skf18("7","9","8","2","10","4","1") = "9"
    & skf18("7","9","8","2","10","5","1") = "9"
    & skf18("7","9","8","2","10","6","1") = "9"
    & skf18("7","9","8","2","10","7","1") = "9"
    & skf18("7","9","8","2","10","8","1") = "9"
    & skf18("7","9","8","2","10","9","1") = "9"
    & skf18("7","9","8","2","10","10","1") = "9"
    & skf18("7","9","8","3","1","1","1") = "8"
    & skf18("7","9","8","3","1","2","1") = "8"
    & skf18("7","9","8","3","1","3","1") = "8"
    & skf18("7","9","8","3","1","4","1") = "8"
    & skf18("7","9","8","3","1","5","1") = "8"
    & skf18("7","9","8","3","1","6","1") = "8"
    & skf18("7","9","8","3","1","7","1") = "8"
    & skf18("7","9","8","3","1","8","1") = "8"
    & skf18("7","9","8","3","1","9","1") = "8"
    & skf18("7","9","8","3","1","10","1") = "9"
    & skf18("7","9","8","3","2","1","1") = "8"
    & skf18("7","9","8","3","2","2","1") = "8"
    & skf18("7","9","8","3","2","3","1") = "8"
    & skf18("7","9","8","3","2","4","1") = "8"
    & skf18("7","9","8","3","2","5","1") = "8"
    & skf18("7","9","8","3","2","6","1") = "8"
    & skf18("7","9","8","3","2","7","1") = "8"
    & skf18("7","9","8","3","2","8","1") = "8"
    & skf18("7","9","8","3","2","9","1") = "8"
    & skf18("7","9","8","3","2","10","1") = "9"
    & skf18("7","9","8","3","3","1","1") = "8"
    & skf18("7","9","8","3","3","2","1") = "8"
    & skf18("7","9","8","3","3","3","1") = "8"
    & skf18("7","9","8","3","3","4","1") = "8"
    & skf18("7","9","8","3","3","5","1") = "8"
    & skf18("7","9","8","3","3","6","1") = "8"
    & skf18("7","9","8","3","3","7","1") = "8"
    & skf18("7","9","8","3","3","8","1") = "8"
    & skf18("7","9","8","3","3","9","1") = "8"
    & skf18("7","9","8","3","3","10","1") = "9"
    & skf18("7","9","8","3","4","1","1") = "8"
    & skf18("7","9","8","3","4","2","1") = "8"
    & skf18("7","9","8","3","4","3","1") = "8"
    & skf18("7","9","8","3","4","4","1") = "8"
    & skf18("7","9","8","3","4","5","1") = "8"
    & skf18("7","9","8","3","4","6","1") = "8"
    & skf18("7","9","8","3","4","7","1") = "8"
    & skf18("7","9","8","3","4","8","1") = "8"
    & skf18("7","9","8","3","4","9","1") = "8"
    & skf18("7","9","8","3","4","10","1") = "9"
    & skf18("7","9","8","3","5","1","1") = "8"
    & skf18("7","9","8","3","5","2","1") = "8"
    & skf18("7","9","8","3","5","3","1") = "8"
    & skf18("7","9","8","3","5","4","1") = "8"
    & skf18("7","9","8","3","5","5","1") = "8"
    & skf18("7","9","8","3","5","6","1") = "8"
    & skf18("7","9","8","3","5","7","1") = "8"
    & skf18("7","9","8","3","5","8","1") = "8"
    & skf18("7","9","8","3","5","9","1") = "8"
    & skf18("7","9","8","3","5","10","1") = "9"
    & skf18("7","9","8","3","6","1","1") = "8"
    & skf18("7","9","8","3","6","2","1") = "8"
    & skf18("7","9","8","3","6","3","1") = "8"
    & skf18("7","9","8","3","6","4","1") = "8"
    & skf18("7","9","8","3","6","5","1") = "8"
    & skf18("7","9","8","3","6","6","1") = "8"
    & skf18("7","9","8","3","6","7","1") = "8"
    & skf18("7","9","8","3","6","8","1") = "8"
    & skf18("7","9","8","3","6","9","1") = "8"
    & skf18("7","9","8","3","6","10","1") = "9"
    & skf18("7","9","8","3","7","1","1") = "8"
    & skf18("7","9","8","3","7","2","1") = "8"
    & skf18("7","9","8","3","7","3","1") = "8"
    & skf18("7","9","8","3","7","4","1") = "8"
    & skf18("7","9","8","3","7","5","1") = "8"
    & skf18("7","9","8","3","7","6","1") = "8"
    & skf18("7","9","8","3","7","7","1") = "8"
    & skf18("7","9","8","3","7","8","1") = "8"
    & skf18("7","9","8","3","7","9","1") = "8"
    & skf18("7","9","8","3","7","10","1") = "9"
    & skf18("7","9","8","3","8","1","1") = "8"
    & skf18("7","9","8","3","8","2","1") = "8"
    & skf18("7","9","8","3","8","3","1") = "8"
    & skf18("7","9","8","3","8","4","1") = "8"
    & skf18("7","9","8","3","8","5","1") = "8"
    & skf18("7","9","8","3","8","6","1") = "8"
    & skf18("7","9","8","3","8","7","1") = "8"
    & skf18("7","9","8","3","8","8","1") = "8"
    & skf18("7","9","8","3","8","9","1") = "8"
    & skf18("7","9","8","3","8","10","1") = "9"
    & skf18("7","9","8","3","9","1","1") = "8"
    & skf18("7","9","8","3","9","2","1") = "8"
    & skf18("7","9","8","3","9","3","1") = "8"
    & skf18("7","9","8","3","9","4","1") = "8"
    & skf18("7","9","8","3","9","5","1") = "8"
    & skf18("7","9","8","3","9","6","1") = "8"
    & skf18("7","9","8","3","9","7","1") = "8"
    & skf18("7","9","8","3","9","8","1") = "8"
    & skf18("7","9","8","3","9","9","1") = "8"
    & skf18("7","9","8","3","9","10","1") = "9"
    & skf18("7","9","8","3","10","1","1") = "9"
    & skf18("7","9","8","3","10","2","1") = "9"
    & skf18("7","9","8","3","10","3","1") = "9"
    & skf18("7","9","8","3","10","4","1") = "9"
    & skf18("7","9","8","3","10","5","1") = "9"
    & skf18("7","9","8","3","10","6","1") = "9"
    & skf18("7","9","8","3","10","7","1") = "9"
    & skf18("7","9","8","3","10","8","1") = "9"
    & skf18("7","9","8","3","10","9","1") = "9"
    & skf18("7","9","8","3","10","10","1") = "9"
    & skf18("7","9","8","4","1","1","1") = "8"
    & skf18("7","9","8","4","1","2","1") = "8"
    & skf18("7","9","8","4","1","3","1") = "8"
    & skf18("7","9","8","4","1","4","1") = "8"
    & skf18("7","9","8","4","1","5","1") = "8"
    & skf18("7","9","8","4","1","6","1") = "8"
    & skf18("7","9","8","4","1","7","1") = "8"
    & skf18("7","9","8","4","1","8","1") = "8"
    & skf18("7","9","8","4","1","9","1") = "8"
    & skf18("7","9","8","4","1","10","1") = "9"
    & skf18("7","9","8","4","2","1","1") = "8"
    & skf18("7","9","8","4","2","2","1") = "8"
    & skf18("7","9","8","4","2","3","1") = "8"
    & skf18("7","9","8","4","2","4","1") = "8"
    & skf18("7","9","8","4","2","5","1") = "8"
    & skf18("7","9","8","4","2","6","1") = "8"
    & skf18("7","9","8","4","2","7","1") = "8"
    & skf18("7","9","8","4","2","8","1") = "8"
    & skf18("7","9","8","4","2","9","1") = "8"
    & skf18("7","9","8","4","2","10","1") = "9"
    & skf18("7","9","8","4","3","1","1") = "8"
    & skf18("7","9","8","4","3","2","1") = "8"
    & skf18("7","9","8","4","3","3","1") = "8"
    & skf18("7","9","8","4","3","4","1") = "8"
    & skf18("7","9","8","4","3","5","1") = "8"
    & skf18("7","9","8","4","3","6","1") = "8"
    & skf18("7","9","8","4","3","7","1") = "8"
    & skf18("7","9","8","4","3","8","1") = "8"
    & skf18("7","9","8","4","3","9","1") = "8"
    & skf18("7","9","8","4","3","10","1") = "9"
    & skf18("7","9","8","4","4","1","1") = "8"
    & skf18("7","9","8","4","4","2","1") = "8"
    & skf18("7","9","8","4","4","3","1") = "8"
    & skf18("7","9","8","4","4","4","1") = "8"
    & skf18("7","9","8","4","4","5","1") = "8"
    & skf18("7","9","8","4","4","6","1") = "8"
    & skf18("7","9","8","4","4","7","1") = "8"
    & skf18("7","9","8","4","4","8","1") = "8"
    & skf18("7","9","8","4","4","9","1") = "8"
    & skf18("7","9","8","4","4","10","1") = "9"
    & skf18("7","9","8","4","5","1","1") = "8"
    & skf18("7","9","8","4","5","2","1") = "8"
    & skf18("7","9","8","4","5","3","1") = "8"
    & skf18("7","9","8","4","5","4","1") = "8"
    & skf18("7","9","8","4","5","5","1") = "8"
    & skf18("7","9","8","4","5","6","1") = "8"
    & skf18("7","9","8","4","5","7","1") = "8"
    & skf18("7","9","8","4","5","8","1") = "8"
    & skf18("7","9","8","4","5","9","1") = "8"
    & skf18("7","9","8","4","5","10","1") = "9"
    & skf18("7","9","8","4","6","1","1") = "8"
    & skf18("7","9","8","4","6","2","1") = "8"
    & skf18("7","9","8","4","6","3","1") = "8"
    & skf18("7","9","8","4","6","4","1") = "8"
    & skf18("7","9","8","4","6","5","1") = "8"
    & skf18("7","9","8","4","6","6","1") = "8"
    & skf18("7","9","8","4","6","7","1") = "8"
    & skf18("7","9","8","4","6","8","1") = "8"
    & skf18("7","9","8","4","6","9","1") = "8"
    & skf18("7","9","8","4","6","10","1") = "9"
    & skf18("7","9","8","4","7","1","1") = "8"
    & skf18("7","9","8","4","7","2","1") = "8"
    & skf18("7","9","8","4","7","3","1") = "8"
    & skf18("7","9","8","4","7","4","1") = "8"
    & skf18("7","9","8","4","7","5","1") = "8"
    & skf18("7","9","8","4","7","6","1") = "8"
    & skf18("7","9","8","4","7","7","1") = "8"
    & skf18("7","9","8","4","7","8","1") = "8"
    & skf18("7","9","8","4","7","9","1") = "8"
    & skf18("7","9","8","4","7","10","1") = "9"
    & skf18("7","9","8","4","8","1","1") = "8"
    & skf18("7","9","8","4","8","2","1") = "8"
    & skf18("7","9","8","4","8","3","1") = "8"
    & skf18("7","9","8","4","8","4","1") = "8"
    & skf18("7","9","8","4","8","5","1") = "8"
    & skf18("7","9","8","4","8","6","1") = "8"
    & skf18("7","9","8","4","8","7","1") = "8"
    & skf18("7","9","8","4","8","8","1") = "8"
    & skf18("7","9","8","4","8","9","1") = "8"
    & skf18("7","9","8","4","8","10","1") = "9"
    & skf18("7","9","8","4","9","1","1") = "8"
    & skf18("7","9","8","4","9","2","1") = "8"
    & skf18("7","9","8","4","9","3","1") = "8"
    & skf18("7","9","8","4","9","4","1") = "8"
    & skf18("7","9","8","4","9","5","1") = "8"
    & skf18("7","9","8","4","9","6","1") = "8"
    & skf18("7","9","8","4","9","7","1") = "8"
    & skf18("7","9","8","4","9","8","1") = "8"
    & skf18("7","9","8","4","9","9","1") = "8"
    & skf18("7","9","8","4","9","10","1") = "9"
    & skf18("7","9","8","4","10","1","1") = "9"
    & skf18("7","9","8","4","10","2","1") = "9"
    & skf18("7","9","8","4","10","3","1") = "9"
    & skf18("7","9","8","4","10","4","1") = "9"
    & skf18("7","9","8","4","10","5","1") = "9"
    & skf18("7","9","8","4","10","6","1") = "9"
    & skf18("7","9","8","4","10","7","1") = "9"
    & skf18("7","9","8","4","10","8","1") = "9"
    & skf18("7","9","8","4","10","9","1") = "9"
    & skf18("7","9","8","4","10","10","1") = "9"
    & skf18("7","9","8","5","1","1","1") = "8"
    & skf18("7","9","8","5","1","2","1") = "8"
    & skf18("7","9","8","5","1","3","1") = "8"
    & skf18("7","9","8","5","1","4","1") = "8"
    & skf18("7","9","8","5","1","5","1") = "8"
    & skf18("7","9","8","5","1","6","1") = "8"
    & skf18("7","9","8","5","1","7","1") = "8"
    & skf18("7","9","8","5","1","8","1") = "8"
    & skf18("7","9","8","5","1","9","1") = "8"
    & skf18("7","9","8","5","1","10","1") = "9"
    & skf18("7","9","8","5","2","1","1") = "8"
    & skf18("7","9","8","5","2","2","1") = "8"
    & skf18("7","9","8","5","2","3","1") = "8"
    & skf18("7","9","8","5","2","4","1") = "8"
    & skf18("7","9","8","5","2","5","1") = "8"
    & skf18("7","9","8","5","2","6","1") = "8"
    & skf18("7","9","8","5","2","7","1") = "8"
    & skf18("7","9","8","5","2","8","1") = "8"
    & skf18("7","9","8","5","2","9","1") = "8"
    & skf18("7","9","8","5","2","10","1") = "9"
    & skf18("7","9","8","5","3","1","1") = "8"
    & skf18("7","9","8","5","3","2","1") = "8"
    & skf18("7","9","8","5","3","3","1") = "8"
    & skf18("7","9","8","5","3","4","1") = "8"
    & skf18("7","9","8","5","3","5","1") = "8"
    & skf18("7","9","8","5","3","6","1") = "8"
    & skf18("7","9","8","5","3","7","1") = "8"
    & skf18("7","9","8","5","3","8","1") = "8"
    & skf18("7","9","8","5","3","9","1") = "8"
    & skf18("7","9","8","5","3","10","1") = "9"
    & skf18("7","9","8","5","4","1","1") = "8"
    & skf18("7","9","8","5","4","2","1") = "8"
    & skf18("7","9","8","5","4","3","1") = "8"
    & skf18("7","9","8","5","4","4","1") = "8"
    & skf18("7","9","8","5","4","5","1") = "8"
    & skf18("7","9","8","5","4","6","1") = "8"
    & skf18("7","9","8","5","4","7","1") = "8"
    & skf18("7","9","8","5","4","8","1") = "8"
    & skf18("7","9","8","5","4","9","1") = "8"
    & skf18("7","9","8","5","4","10","1") = "9"
    & skf18("7","9","8","5","5","1","1") = "8"
    & skf18("7","9","8","5","5","2","1") = "8"
    & skf18("7","9","8","5","5","3","1") = "8"
    & skf18("7","9","8","5","5","4","1") = "8"
    & skf18("7","9","8","5","5","5","1") = "8"
    & skf18("7","9","8","5","5","6","1") = "8"
    & skf18("7","9","8","5","5","7","1") = "8"
    & skf18("7","9","8","5","5","8","1") = "8"
    & skf18("7","9","8","5","5","9","1") = "8"
    & skf18("7","9","8","5","5","10","1") = "9"
    & skf18("7","9","8","5","6","1","1") = "8"
    & skf18("7","9","8","5","6","2","1") = "8"
    & skf18("7","9","8","5","6","3","1") = "8"
    & skf18("7","9","8","5","6","4","1") = "8"
    & skf18("7","9","8","5","6","5","1") = "8"
    & skf18("7","9","8","5","6","6","1") = "8"
    & skf18("7","9","8","5","6","7","1") = "8"
    & skf18("7","9","8","5","6","8","1") = "8"
    & skf18("7","9","8","5","6","9","1") = "8"
    & skf18("7","9","8","5","6","10","1") = "9"
    & skf18("7","9","8","5","7","1","1") = "8"
    & skf18("7","9","8","5","7","2","1") = "8"
    & skf18("7","9","8","5","7","3","1") = "8"
    & skf18("7","9","8","5","7","4","1") = "8"
    & skf18("7","9","8","5","7","5","1") = "8"
    & skf18("7","9","8","5","7","6","1") = "8"
    & skf18("7","9","8","5","7","7","1") = "8"
    & skf18("7","9","8","5","7","8","1") = "8"
    & skf18("7","9","8","5","7","9","1") = "8"
    & skf18("7","9","8","5","7","10","1") = "9"
    & skf18("7","9","8","5","8","1","1") = "8"
    & skf18("7","9","8","5","8","2","1") = "8"
    & skf18("7","9","8","5","8","3","1") = "8"
    & skf18("7","9","8","5","8","4","1") = "8"
    & skf18("7","9","8","5","8","5","1") = "8"
    & skf18("7","9","8","5","8","6","1") = "8"
    & skf18("7","9","8","5","8","7","1") = "8"
    & skf18("7","9","8","5","8","8","1") = "8"
    & skf18("7","9","8","5","8","9","1") = "8"
    & skf18("7","9","8","5","8","10","1") = "9"
    & skf18("7","9","8","5","9","1","1") = "8"
    & skf18("7","9","8","5","9","2","1") = "8"
    & skf18("7","9","8","5","9","3","1") = "8"
    & skf18("7","9","8","5","9","4","1") = "8"
    & skf18("7","9","8","5","9","5","1") = "8"
    & skf18("7","9","8","5","9","6","1") = "8"
    & skf18("7","9","8","5","9","7","1") = "8"
    & skf18("7","9","8","5","9","8","1") = "8"
    & skf18("7","9","8","5","9","9","1") = "8"
    & skf18("7","9","8","5","9","10","1") = "9"
    & skf18("7","9","8","5","10","1","1") = "9"
    & skf18("7","9","8","5","10","2","1") = "9"
    & skf18("7","9","8","5","10","3","1") = "9"
    & skf18("7","9","8","5","10","4","1") = "9"
    & skf18("7","9","8","5","10","5","1") = "9"
    & skf18("7","9","8","5","10","6","1") = "9"
    & skf18("7","9","8","5","10","7","1") = "9"
    & skf18("7","9","8","5","10","8","1") = "9"
    & skf18("7","9","8","5","10","9","1") = "9"
    & skf18("7","9","8","5","10","10","1") = "9"
    & skf18("7","9","8","6","1","1","1") = "8"
    & skf18("7","9","8","6","1","2","1") = "8"
    & skf18("7","9","8","6","1","3","1") = "8"
    & skf18("7","9","8","6","1","4","1") = "8"
    & skf18("7","9","8","6","1","5","1") = "8"
    & skf18("7","9","8","6","1","6","1") = "8"
    & skf18("7","9","8","6","1","7","1") = "8"
    & skf18("7","9","8","6","1","8","1") = "8"
    & skf18("7","9","8","6","1","9","1") = "8"
    & skf18("7","9","8","6","1","10","1") = "9"
    & skf18("7","9","8","6","2","1","1") = "8"
    & skf18("7","9","8","6","2","2","1") = "8"
    & skf18("7","9","8","6","2","3","1") = "8"
    & skf18("7","9","8","6","2","4","1") = "8"
    & skf18("7","9","8","6","2","5","1") = "8"
    & skf18("7","9","8","6","2","6","1") = "8"
    & skf18("7","9","8","6","2","7","1") = "8"
    & skf18("7","9","8","6","2","8","1") = "8"
    & skf18("7","9","8","6","2","9","1") = "8"
    & skf18("7","9","8","6","2","10","1") = "9"
    & skf18("7","9","8","6","3","1","1") = "8"
    & skf18("7","9","8","6","3","2","1") = "8"
    & skf18("7","9","8","6","3","3","1") = "8"
    & skf18("7","9","8","6","3","4","1") = "8"
    & skf18("7","9","8","6","3","5","1") = "8"
    & skf18("7","9","8","6","3","6","1") = "8"
    & skf18("7","9","8","6","3","7","1") = "8"
    & skf18("7","9","8","6","3","8","1") = "8"
    & skf18("7","9","8","6","3","9","1") = "8"
    & skf18("7","9","8","6","3","10","1") = "9"
    & skf18("7","9","8","6","4","1","1") = "8"
    & skf18("7","9","8","6","4","2","1") = "8"
    & skf18("7","9","8","6","4","3","1") = "8"
    & skf18("7","9","8","6","4","4","1") = "8"
    & skf18("7","9","8","6","4","5","1") = "8"
    & skf18("7","9","8","6","4","6","1") = "8"
    & skf18("7","9","8","6","4","7","1") = "8"
    & skf18("7","9","8","6","4","8","1") = "8"
    & skf18("7","9","8","6","4","9","1") = "8"
    & skf18("7","9","8","6","4","10","1") = "9"
    & skf18("7","9","8","6","5","1","1") = "8"
    & skf18("7","9","8","6","5","2","1") = "8"
    & skf18("7","9","8","6","5","3","1") = "8"
    & skf18("7","9","8","6","5","4","1") = "8"
    & skf18("7","9","8","6","5","5","1") = "8"
    & skf18("7","9","8","6","5","6","1") = "8"
    & skf18("7","9","8","6","5","7","1") = "8"
    & skf18("7","9","8","6","5","8","1") = "8"
    & skf18("7","9","8","6","5","9","1") = "8"
    & skf18("7","9","8","6","5","10","1") = "9"
    & skf18("7","9","8","6","6","1","1") = "8"
    & skf18("7","9","8","6","6","2","1") = "8"
    & skf18("7","9","8","6","6","3","1") = "8"
    & skf18("7","9","8","6","6","4","1") = "8"
    & skf18("7","9","8","6","6","5","1") = "8"
    & skf18("7","9","8","6","6","6","1") = "8"
    & skf18("7","9","8","6","6","7","1") = "8"
    & skf18("7","9","8","6","6","8","1") = "8"
    & skf18("7","9","8","6","6","9","1") = "8"
    & skf18("7","9","8","6","6","10","1") = "9"
    & skf18("7","9","8","6","7","1","1") = "8"
    & skf18("7","9","8","6","7","2","1") = "8"
    & skf18("7","9","8","6","7","3","1") = "8"
    & skf18("7","9","8","6","7","4","1") = "8"
    & skf18("7","9","8","6","7","5","1") = "8"
    & skf18("7","9","8","6","7","6","1") = "8"
    & skf18("7","9","8","6","7","7","1") = "8"
    & skf18("7","9","8","6","7","8","1") = "8"
    & skf18("7","9","8","6","7","9","1") = "8"
    & skf18("7","9","8","6","7","10","1") = "9"
    & skf18("7","9","8","6","8","1","1") = "8"
    & skf18("7","9","8","6","8","2","1") = "8"
    & skf18("7","9","8","6","8","3","1") = "8"
    & skf18("7","9","8","6","8","4","1") = "8"
    & skf18("7","9","8","6","8","5","1") = "8"
    & skf18("7","9","8","6","8","6","1") = "8"
    & skf18("7","9","8","6","8","7","1") = "8"
    & skf18("7","9","8","6","8","8","1") = "8"
    & skf18("7","9","8","6","8","9","1") = "8"
    & skf18("7","9","8","6","8","10","1") = "9"
    & skf18("7","9","8","6","9","1","1") = "8"
    & skf18("7","9","8","6","9","2","1") = "8"
    & skf18("7","9","8","6","9","3","1") = "8"
    & skf18("7","9","8","6","9","4","1") = "8"
    & skf18("7","9","8","6","9","5","1") = "8"
    & skf18("7","9","8","6","9","6","1") = "8"
    & skf18("7","9","8","6","9","7","1") = "8"
    & skf18("7","9","8","6","9","8","1") = "8"
    & skf18("7","9","8","6","9","9","1") = "8"
    & skf18("7","9","8","6","9","10","1") = "9"
    & skf18("7","9","8","6","10","1","1") = "9"
    & skf18("7","9","8","6","10","2","1") = "9"
    & skf18("7","9","8","6","10","3","1") = "9"
    & skf18("7","9","8","6","10","4","1") = "9"
    & skf18("7","9","8","6","10","5","1") = "9"
    & skf18("7","9","8","6","10","6","1") = "9"
    & skf18("7","9","8","6","10","7","1") = "9"
    & skf18("7","9","8","6","10","8","1") = "9"
    & skf18("7","9","8","6","10","9","1") = "9"
    & skf18("7","9","8","6","10","10","1") = "9"
    & skf18("7","9","8","7","1","1","1") = "8"
    & skf18("7","9","8","7","1","2","1") = "8"
    & skf18("7","9","8","7","1","3","1") = "8"
    & skf18("7","9","8","7","1","4","1") = "8"
    & skf18("7","9","8","7","1","5","1") = "8"
    & skf18("7","9","8","7","1","6","1") = "8"
    & skf18("7","9","8","7","1","7","1") = "8"
    & skf18("7","9","8","7","1","8","1") = "8"
    & skf18("7","9","8","7","1","9","1") = "8"
    & skf18("7","9","8","7","1","10","1") = "9"
    & skf18("7","9","8","7","2","1","1") = "8"
    & skf18("7","9","8","7","2","2","1") = "8"
    & skf18("7","9","8","7","2","3","1") = "8"
    & skf18("7","9","8","7","2","4","1") = "8"
    & skf18("7","9","8","7","2","5","1") = "8"
    & skf18("7","9","8","7","2","6","1") = "8"
    & skf18("7","9","8","7","2","7","1") = "8"
    & skf18("7","9","8","7","2","8","1") = "8"
    & skf18("7","9","8","7","2","9","1") = "8"
    & skf18("7","9","8","7","2","10","1") = "9"
    & skf18("7","9","8","7","3","1","1") = "8"
    & skf18("7","9","8","7","3","2","1") = "8"
    & skf18("7","9","8","7","3","3","1") = "8"
    & skf18("7","9","8","7","3","4","1") = "8"
    & skf18("7","9","8","7","3","5","1") = "8"
    & skf18("7","9","8","7","3","6","1") = "8"
    & skf18("7","9","8","7","3","7","1") = "8"
    & skf18("7","9","8","7","3","8","1") = "8"
    & skf18("7","9","8","7","3","9","1") = "8"
    & skf18("7","9","8","7","3","10","1") = "9"
    & skf18("7","9","8","7","4","1","1") = "8"
    & skf18("7","9","8","7","4","2","1") = "8"
    & skf18("7","9","8","7","4","3","1") = "8"
    & skf18("7","9","8","7","4","4","1") = "8"
    & skf18("7","9","8","7","4","5","1") = "8"
    & skf18("7","9","8","7","4","6","1") = "8"
    & skf18("7","9","8","7","4","7","1") = "8"
    & skf18("7","9","8","7","4","8","1") = "8"
    & skf18("7","9","8","7","4","9","1") = "8"
    & skf18("7","9","8","7","4","10","1") = "9"
    & skf18("7","9","8","7","5","1","1") = "8"
    & skf18("7","9","8","7","5","2","1") = "8"
    & skf18("7","9","8","7","5","3","1") = "8"
    & skf18("7","9","8","7","5","4","1") = "8"
    & skf18("7","9","8","7","5","5","1") = "8"
    & skf18("7","9","8","7","5","6","1") = "8"
    & skf18("7","9","8","7","5","7","1") = "8"
    & skf18("7","9","8","7","5","8","1") = "8"
    & skf18("7","9","8","7","5","9","1") = "8"
    & skf18("7","9","8","7","5","10","1") = "9"
    & skf18("7","9","8","7","6","1","1") = "8"
    & skf18("7","9","8","7","6","2","1") = "8"
    & skf18("7","9","8","7","6","3","1") = "8"
    & skf18("7","9","8","7","6","4","1") = "8"
    & skf18("7","9","8","7","6","5","1") = "8"
    & skf18("7","9","8","7","6","6","1") = "8"
    & skf18("7","9","8","7","6","7","1") = "8"
    & skf18("7","9","8","7","6","8","1") = "8"
    & skf18("7","9","8","7","6","9","1") = "8"
    & skf18("7","9","8","7","6","10","1") = "9"
    & skf18("7","9","8","7","7","1","1") = "8"
    & skf18("7","9","8","7","7","2","1") = "8"
    & skf18("7","9","8","7","7","3","1") = "8"
    & skf18("7","9","8","7","7","4","1") = "8"
    & skf18("7","9","8","7","7","5","1") = "8"
    & skf18("7","9","8","7","7","6","1") = "8"
    & skf18("7","9","8","7","7","7","1") = "8"
    & skf18("7","9","8","7","7","8","1") = "8"
    & skf18("7","9","8","7","7","9","1") = "8"
    & skf18("7","9","8","7","7","10","1") = "9"
    & skf18("7","9","8","7","8","1","1") = "8"
    & skf18("7","9","8","7","8","2","1") = "8"
    & skf18("7","9","8","7","8","3","1") = "8"
    & skf18("7","9","8","7","8","4","1") = "8"
    & skf18("7","9","8","7","8","5","1") = "8"
    & skf18("7","9","8","7","8","6","1") = "8"
    & skf18("7","9","8","7","8","7","1") = "8"
    & skf18("7","9","8","7","8","8","1") = "8"
    & skf18("7","9","8","7","8","9","1") = "8"
    & skf18("7","9","8","7","8","10","1") = "9"
    & skf18("7","9","8","7","9","1","1") = "8"
    & skf18("7","9","8","7","9","2","1") = "8"
    & skf18("7","9","8","7","9","3","1") = "8"
    & skf18("7","9","8","7","9","4","1") = "8"
    & skf18("7","9","8","7","9","5","1") = "8"
    & skf18("7","9","8","7","9","6","1") = "8"
    & skf18("7","9","8","7","9","7","1") = "8"
    & skf18("7","9","8","7","9","8","1") = "8"
    & skf18("7","9","8","7","9","9","1") = "8"
    & skf18("7","9","8","7","9","10","1") = "9"
    & skf18("7","9","8","7","10","1","1") = "9"
    & skf18("7","9","8","7","10","2","1") = "9"
    & skf18("7","9","8","7","10","3","1") = "9"
    & skf18("7","9","8","7","10","4","1") = "9"
    & skf18("7","9","8","7","10","5","1") = "9"
    & skf18("7","9","8","7","10","6","1") = "9"
    & skf18("7","9","8","7","10","7","1") = "9"
    & skf18("7","9","8","7","10","8","1") = "9"
    & skf18("7","9","8","7","10","9","1") = "9"
    & skf18("7","9","8","7","10","10","1") = "9"
    & skf18("7","9","8","8","1","1","1") = "8"
    & skf18("7","9","8","8","1","2","1") = "8"
    & skf18("7","9","8","8","1","3","1") = "8"
    & skf18("7","9","8","8","1","4","1") = "8"
    & skf18("7","9","8","8","1","5","1") = "8"
    & skf18("7","9","8","8","1","6","1") = "8"
    & skf18("7","9","8","8","1","7","1") = "8"
    & skf18("7","9","8","8","1","8","1") = "8"
    & skf18("7","9","8","8","1","9","1") = "8"
    & skf18("7","9","8","8","1","10","1") = "9"
    & skf18("7","9","8","8","2","1","1") = "8"
    & skf18("7","9","8","8","2","2","1") = "8"
    & skf18("7","9","8","8","2","3","1") = "8"
    & skf18("7","9","8","8","2","4","1") = "8"
    & skf18("7","9","8","8","2","5","1") = "8"
    & skf18("7","9","8","8","2","6","1") = "8"
    & skf18("7","9","8","8","2","7","1") = "8"
    & skf18("7","9","8","8","2","8","1") = "8"
    & skf18("7","9","8","8","2","9","1") = "8"
    & skf18("7","9","8","8","2","10","1") = "9"
    & skf18("7","9","8","8","3","1","1") = "8"
    & skf18("7","9","8","8","3","2","1") = "8"
    & skf18("7","9","8","8","3","3","1") = "8"
    & skf18("7","9","8","8","3","4","1") = "8"
    & skf18("7","9","8","8","3","5","1") = "8"
    & skf18("7","9","8","8","3","6","1") = "8"
    & skf18("7","9","8","8","3","7","1") = "8"
    & skf18("7","9","8","8","3","8","1") = "8"
    & skf18("7","9","8","8","3","9","1") = "8"
    & skf18("7","9","8","8","3","10","1") = "9"
    & skf18("7","9","8","8","4","1","1") = "8"
    & skf18("7","9","8","8","4","2","1") = "8"
    & skf18("7","9","8","8","4","3","1") = "8"
    & skf18("7","9","8","8","4","4","1") = "8"
    & skf18("7","9","8","8","4","5","1") = "8"
    & skf18("7","9","8","8","4","6","1") = "8"
    & skf18("7","9","8","8","4","7","1") = "8"
    & skf18("7","9","8","8","4","8","1") = "8"
    & skf18("7","9","8","8","4","9","1") = "8"
    & skf18("7","9","8","8","4","10","1") = "9"
    & skf18("7","9","8","8","5","1","1") = "8"
    & skf18("7","9","8","8","5","2","1") = "8"
    & skf18("7","9","8","8","5","3","1") = "8"
    & skf18("7","9","8","8","5","4","1") = "8"
    & skf18("7","9","8","8","5","5","1") = "8"
    & skf18("7","9","8","8","5","6","1") = "8"
    & skf18("7","9","8","8","5","7","1") = "8"
    & skf18("7","9","8","8","5","8","1") = "8"
    & skf18("7","9","8","8","5","9","1") = "8"
    & skf18("7","9","8","8","5","10","1") = "9"
    & skf18("7","9","8","8","6","1","1") = "8"
    & skf18("7","9","8","8","6","2","1") = "8"
    & skf18("7","9","8","8","6","3","1") = "8"
    & skf18("7","9","8","8","6","4","1") = "8"
    & skf18("7","9","8","8","6","5","1") = "8"
    & skf18("7","9","8","8","6","6","1") = "8"
    & skf18("7","9","8","8","6","7","1") = "8"
    & skf18("7","9","8","8","6","8","1") = "8"
    & skf18("7","9","8","8","6","9","1") = "8"
    & skf18("7","9","8","8","6","10","1") = "9"
    & skf18("7","9","8","8","7","1","1") = "8"
    & skf18("7","9","8","8","7","2","1") = "8"
    & skf18("7","9","8","8","7","3","1") = "8"
    & skf18("7","9","8","8","7","4","1") = "8"
    & skf18("7","9","8","8","7","5","1") = "8"
    & skf18("7","9","8","8","7","6","1") = "8"
    & skf18("7","9","8","8","7","7","1") = "8"
    & skf18("7","9","8","8","7","8","1") = "8"
    & skf18("7","9","8","8","7","9","1") = "8"
    & skf18("7","9","8","8","7","10","1") = "9"
    & skf18("7","9","8","8","8","1","1") = "8"
    & skf18("7","9","8","8","8","2","1") = "8"
    & skf18("7","9","8","8","8","3","1") = "8"
    & skf18("7","9","8","8","8","4","1") = "8"
    & skf18("7","9","8","8","8","5","1") = "8"
    & skf18("7","9","8","8","8","6","1") = "8"
    & skf18("7","9","8","8","8","7","1") = "8"
    & skf18("7","9","8","8","8","8","1") = "8"
    & skf18("7","9","8","8","8","9","1") = "8"
    & skf18("7","9","8","8","8","10","1") = "9"
    & skf18("7","9","8","8","9","1","1") = "8"
    & skf18("7","9","8","8","9","2","1") = "8"
    & skf18("7","9","8","8","9","3","1") = "8"
    & skf18("7","9","8","8","9","4","1") = "8"
    & skf18("7","9","8","8","9","5","1") = "8"
    & skf18("7","9","8","8","9","6","1") = "8"
    & skf18("7","9","8","8","9","7","1") = "8"
    & skf18("7","9","8","8","9","8","1") = "8"
    & skf18("7","9","8","8","9","9","1") = "8"
    & skf18("7","9","8","8","9","10","1") = "9"
    & skf18("7","9","8","8","10","1","1") = "9"
    & skf18("7","9","8","8","10","2","1") = "9"
    & skf18("7","9","8","8","10","3","1") = "9"
    & skf18("7","9","8","8","10","4","1") = "9"
    & skf18("7","9","8","8","10","5","1") = "9"
    & skf18("7","9","8","8","10","6","1") = "9"
    & skf18("7","9","8","8","10","7","1") = "9"
    & skf18("7","9","8","8","10","8","1") = "9"
    & skf18("7","9","8","8","10","9","1") = "9"
    & skf18("7","9","8","8","10","10","1") = "9"
    & skf18("7","9","8","9","1","1","1") = "8"
    & skf18("7","9","8","9","1","2","1") = "8"
    & skf18("7","9","8","9","1","3","1") = "8"
    & skf18("7","9","8","9","1","4","1") = "8"
    & skf18("7","9","8","9","1","5","1") = "8"
    & skf18("7","9","8","9","1","6","1") = "8"
    & skf18("7","9","8","9","1","7","1") = "8"
    & skf18("7","9","8","9","1","8","1") = "8"
    & skf18("7","9","8","9","1","9","1") = "8"
    & skf18("7","9","8","9","1","10","1") = "9"
    & skf18("7","9","8","9","2","1","1") = "8"
    & skf18("7","9","8","9","2","2","1") = "8"
    & skf18("7","9","8","9","2","3","1") = "8"
    & skf18("7","9","8","9","2","4","1") = "8"
    & skf18("7","9","8","9","2","5","1") = "8"
    & skf18("7","9","8","9","2","6","1") = "8"
    & skf18("7","9","8","9","2","7","1") = "8"
    & skf18("7","9","8","9","2","8","1") = "8"
    & skf18("7","9","8","9","2","9","1") = "8"
    & skf18("7","9","8","9","2","10","1") = "9"
    & skf18("7","9","8","9","3","1","1") = "8"
    & skf18("7","9","8","9","3","2","1") = "8"
    & skf18("7","9","8","9","3","3","1") = "8"
    & skf18("7","9","8","9","3","4","1") = "8"
    & skf18("7","9","8","9","3","5","1") = "8"
    & skf18("7","9","8","9","3","6","1") = "8"
    & skf18("7","9","8","9","3","7","1") = "8"
    & skf18("7","9","8","9","3","8","1") = "8"
    & skf18("7","9","8","9","3","9","1") = "8"
    & skf18("7","9","8","9","3","10","1") = "9"
    & skf18("7","9","8","9","4","1","1") = "8"
    & skf18("7","9","8","9","4","2","1") = "8"
    & skf18("7","9","8","9","4","3","1") = "8"
    & skf18("7","9","8","9","4","4","1") = "8"
    & skf18("7","9","8","9","4","5","1") = "8"
    & skf18("7","9","8","9","4","6","1") = "8"
    & skf18("7","9","8","9","4","7","1") = "8"
    & skf18("7","9","8","9","4","8","1") = "8"
    & skf18("7","9","8","9","4","9","1") = "8"
    & skf18("7","9","8","9","4","10","1") = "9"
    & skf18("7","9","8","9","5","1","1") = "8"
    & skf18("7","9","8","9","5","2","1") = "8"
    & skf18("7","9","8","9","5","3","1") = "8"
    & skf18("7","9","8","9","5","4","1") = "8"
    & skf18("7","9","8","9","5","5","1") = "8"
    & skf18("7","9","8","9","5","6","1") = "8"
    & skf18("7","9","8","9","5","7","1") = "8"
    & skf18("7","9","8","9","5","8","1") = "8"
    & skf18("7","9","8","9","5","9","1") = "8"
    & skf18("7","9","8","9","5","10","1") = "9"
    & skf18("7","9","8","9","6","1","1") = "8"
    & skf18("7","9","8","9","6","2","1") = "8"
    & skf18("7","9","8","9","6","3","1") = "8"
    & skf18("7","9","8","9","6","4","1") = "8"
    & skf18("7","9","8","9","6","5","1") = "8"
    & skf18("7","9","8","9","6","6","1") = "8"
    & skf18("7","9","8","9","6","7","1") = "8"
    & skf18("7","9","8","9","6","8","1") = "8"
    & skf18("7","9","8","9","6","9","1") = "8"
    & skf18("7","9","8","9","6","10","1") = "9"
    & skf18("7","9","8","9","7","1","1") = "8"
    & skf18("7","9","8","9","7","2","1") = "8"
    & skf18("7","9","8","9","7","3","1") = "8"
    & skf18("7","9","8","9","7","4","1") = "8"
    & skf18("7","9","8","9","7","5","1") = "8"
    & skf18("7","9","8","9","7","6","1") = "8"
    & skf18("7","9","8","9","7","7","1") = "8"
    & skf18("7","9","8","9","7","8","1") = "8"
    & skf18("7","9","8","9","7","9","1") = "8"
    & skf18("7","9","8","9","7","10","1") = "9"
    & skf18("7","9","8","9","8","1","1") = "8"
    & skf18("7","9","8","9","8","2","1") = "8"
    & skf18("7","9","8","9","8","3","1") = "8"
    & skf18("7","9","8","9","8","4","1") = "8"
    & skf18("7","9","8","9","8","5","1") = "8"
    & skf18("7","9","8","9","8","6","1") = "8"
    & skf18("7","9","8","9","8","7","1") = "8"
    & skf18("7","9","8","9","8","8","1") = "8"
    & skf18("7","9","8","9","8","9","1") = "8"
    & skf18("7","9","8","9","8","10","1") = "9"
    & skf18("7","9","8","9","9","1","1") = "8"
    & skf18("7","9","8","9","9","2","1") = "8"
    & skf18("7","9","8","9","9","3","1") = "8"
    & skf18("7","9","8","9","9","4","1") = "8"
    & skf18("7","9","8","9","9","5","1") = "8"
    & skf18("7","9","8","9","9","6","1") = "8"
    & skf18("7","9","8","9","9","7","1") = "8"
    & skf18("7","9","8","9","9","8","1") = "8"
    & skf18("7","9","8","9","9","9","1") = "8"
    & skf18("7","9","8","9","9","10","1") = "9"
    & skf18("7","9","8","9","10","1","1") = "9"
    & skf18("7","9","8","9","10","2","1") = "9"
    & skf18("7","9","8","9","10","3","1") = "9"
    & skf18("7","9","8","9","10","4","1") = "9"
    & skf18("7","9","8","9","10","5","1") = "9"
    & skf18("7","9","8","9","10","6","1") = "9"
    & skf18("7","9","8","9","10","7","1") = "9"
    & skf18("7","9","8","9","10","8","1") = "9"
    & skf18("7","9","8","9","10","9","1") = "9"
    & skf18("7","9","8","9","10","10","1") = "9"
    & skf18("7","9","8","10","1","1","1") = "9"
    & skf18("7","9","8","10","1","2","1") = "9"
    & skf18("7","9","8","10","1","3","1") = "9"
    & skf18("7","9","8","10","1","4","1") = "9"
    & skf18("7","9","8","10","1","5","1") = "9"
    & skf18("7","9","8","10","1","6","1") = "9"
    & skf18("7","9","8","10","1","7","1") = "9"
    & skf18("7","9","8","10","1","8","1") = "9"
    & skf18("7","9","8","10","1","9","1") = "9"
    & skf18("7","9","8","10","1","10","1") = "9"
    & skf18("7","9","8","10","2","1","1") = "9"
    & skf18("7","9","8","10","2","2","1") = "9"
    & skf18("7","9","8","10","2","3","1") = "9"
    & skf18("7","9","8","10","2","4","1") = "9"
    & skf18("7","9","8","10","2","5","1") = "9"
    & skf18("7","9","8","10","2","6","1") = "9"
    & skf18("7","9","8","10","2","7","1") = "9"
    & skf18("7","9","8","10","2","8","1") = "9"
    & skf18("7","9","8","10","2","9","1") = "9"
    & skf18("7","9","8","10","2","10","1") = "9"
    & skf18("7","9","8","10","3","1","1") = "9"
    & skf18("7","9","8","10","3","2","1") = "9"
    & skf18("7","9","8","10","3","3","1") = "9"
    & skf18("7","9","8","10","3","4","1") = "9"
    & skf18("7","9","8","10","3","5","1") = "9"
    & skf18("7","9","8","10","3","6","1") = "9"
    & skf18("7","9","8","10","3","7","1") = "9"
    & skf18("7","9","8","10","3","8","1") = "9"
    & skf18("7","9","8","10","3","9","1") = "9"
    & skf18("7","9","8","10","3","10","1") = "9"
    & skf18("7","9","8","10","4","1","1") = "9"
    & skf18("7","9","8","10","4","2","1") = "9"
    & skf18("7","9","8","10","4","3","1") = "9"
    & skf18("7","9","8","10","4","4","1") = "9"
    & skf18("7","9","8","10","4","5","1") = "9"
    & skf18("7","9","8","10","4","6","1") = "9"
    & skf18("7","9","8","10","4","7","1") = "9"
    & skf18("7","9","8","10","4","8","1") = "9"
    & skf18("7","9","8","10","4","9","1") = "9"
    & skf18("7","9","8","10","4","10","1") = "9"
    & skf18("7","9","8","10","5","1","1") = "9"
    & skf18("7","9","8","10","5","2","1") = "9"
    & skf18("7","9","8","10","5","3","1") = "9"
    & skf18("7","9","8","10","5","4","1") = "9"
    & skf18("7","9","8","10","5","5","1") = "9"
    & skf18("7","9","8","10","5","6","1") = "9"
    & skf18("7","9","8","10","5","7","1") = "9"
    & skf18("7","9","8","10","5","8","1") = "9"
    & skf18("7","9","8","10","5","9","1") = "9"
    & skf18("7","9","8","10","5","10","1") = "9"
    & skf18("7","9","8","10","6","1","1") = "9"
    & skf18("7","9","8","10","6","2","1") = "9"
    & skf18("7","9","8","10","6","3","1") = "9"
    & skf18("7","9","8","10","6","4","1") = "9"
    & skf18("7","9","8","10","6","5","1") = "9"
    & skf18("7","9","8","10","6","6","1") = "9"
    & skf18("7","9","8","10","6","7","1") = "9"
    & skf18("7","9","8","10","6","8","1") = "9"
    & skf18("7","9","8","10","6","9","1") = "9"
    & skf18("7","9","8","10","6","10","1") = "9"
    & skf18("7","9","8","10","7","1","1") = "9"
    & skf18("7","9","8","10","7","2","1") = "9"
    & skf18("7","9","8","10","7","3","1") = "9"
    & skf18("7","9","8","10","7","4","1") = "9"
    & skf18("7","9","8","10","7","5","1") = "9"
    & skf18("7","9","8","10","7","6","1") = "9"
    & skf18("7","9","8","10","7","7","1") = "9"
    & skf18("7","9","8","10","7","8","1") = "9"
    & skf18("7","9","8","10","7","9","1") = "9"
    & skf18("7","9","8","10","7","10","1") = "9"
    & skf18("7","9","8","10","8","1","1") = "9"
    & skf18("7","9","8","10","8","2","1") = "9"
    & skf18("7","9","8","10","8","3","1") = "9"
    & skf18("7","9","8","10","8","4","1") = "9"
    & skf18("7","9","8","10","8","5","1") = "9"
    & skf18("7","9","8","10","8","6","1") = "9"
    & skf18("7","9","8","10","8","7","1") = "9"
    & skf18("7","9","8","10","8","8","1") = "9"
    & skf18("7","9","8","10","8","9","1") = "9"
    & skf18("7","9","8","10","8","10","1") = "9"
    & skf18("7","9","8","10","9","1","1") = "9"
    & skf18("7","9","8","10","9","2","1") = "9"
    & skf18("7","9","8","10","9","3","1") = "9"
    & skf18("7","9","8","10","9","4","1") = "9"
    & skf18("7","9","8","10","9","5","1") = "9"
    & skf18("7","9","8","10","9","6","1") = "9"
    & skf18("7","9","8","10","9","7","1") = "9"
    & skf18("7","9","8","10","9","8","1") = "9"
    & skf18("7","9","8","10","9","9","1") = "9"
    & skf18("7","9","8","10","9","10","1") = "9"
    & skf18("7","9","8","10","10","1","1") = "9"
    & skf18("7","9","8","10","10","2","1") = "9"
    & skf18("7","9","8","10","10","3","1") = "9"
    & skf18("7","9","8","10","10","4","1") = "9"
    & skf18("7","9","8","10","10","5","1") = "9"
    & skf18("7","9","8","10","10","6","1") = "9"
    & skf18("7","9","8","10","10","7","1") = "9"
    & skf18("7","9","8","10","10","8","1") = "9"
    & skf18("7","9","8","10","10","9","1") = "9"
    & skf18("7","9","8","10","10","10","1") = "9"
    & skf18("7","9","9","1","1","1","1") = "8"
    & skf18("7","9","9","1","1","2","1") = "8"
    & skf18("7","9","9","1","1","3","1") = "8"
    & skf18("7","9","9","1","1","4","1") = "8"
    & skf18("7","9","9","1","1","5","1") = "8"
    & skf18("7","9","9","1","1","6","1") = "8"
    & skf18("7","9","9","1","1","7","1") = "8"
    & skf18("7","9","9","1","1","8","1") = "8"
    & skf18("7","9","9","1","1","9","1") = "8"
    & skf18("7","9","9","1","1","10","1") = "9"
    & skf18("7","9","9","1","2","1","1") = "8"
    & skf18("7","9","9","1","2","2","1") = "8"
    & skf18("7","9","9","1","2","3","1") = "8"
    & skf18("7","9","9","1","2","4","1") = "8"
    & skf18("7","9","9","1","2","5","1") = "8"
    & skf18("7","9","9","1","2","6","1") = "8"
    & skf18("7","9","9","1","2","7","1") = "8"
    & skf18("7","9","9","1","2","8","1") = "8"
    & skf18("7","9","9","1","2","9","1") = "8"
    & skf18("7","9","9","1","2","10","1") = "9"
    & skf18("7","9","9","1","3","1","1") = "8"
    & skf18("7","9","9","1","3","2","1") = "8"
    & skf18("7","9","9","1","3","3","1") = "8"
    & skf18("7","9","9","1","3","4","1") = "8"
    & skf18("7","9","9","1","3","5","1") = "8"
    & skf18("7","9","9","1","3","6","1") = "8"
    & skf18("7","9","9","1","3","7","1") = "8"
    & skf18("7","9","9","1","3","8","1") = "8"
    & skf18("7","9","9","1","3","9","1") = "8"
    & skf18("7","9","9","1","3","10","1") = "9"
    & skf18("7","9","9","1","4","1","1") = "8"
    & skf18("7","9","9","1","4","2","1") = "8"
    & skf18("7","9","9","1","4","3","1") = "8"
    & skf18("7","9","9","1","4","4","1") = "8"
    & skf18("7","9","9","1","4","5","1") = "8"
    & skf18("7","9","9","1","4","6","1") = "8"
    & skf18("7","9","9","1","4","7","1") = "8"
    & skf18("7","9","9","1","4","8","1") = "8"
    & skf18("7","9","9","1","4","9","1") = "8"
    & skf18("7","9","9","1","4","10","1") = "9"
    & skf18("7","9","9","1","5","1","1") = "8"
    & skf18("7","9","9","1","5","2","1") = "8"
    & skf18("7","9","9","1","5","3","1") = "8"
    & skf18("7","9","9","1","5","4","1") = "8"
    & skf18("7","9","9","1","5","5","1") = "8"
    & skf18("7","9","9","1","5","6","1") = "8"
    & skf18("7","9","9","1","5","7","1") = "8"
    & skf18("7","9","9","1","5","8","1") = "8"
    & skf18("7","9","9","1","5","9","1") = "8"
    & skf18("7","9","9","1","5","10","1") = "9"
    & skf18("7","9","9","1","6","1","1") = "8"
    & skf18("7","9","9","1","6","2","1") = "8"
    & skf18("7","9","9","1","6","3","1") = "8"
    & skf18("7","9","9","1","6","4","1") = "8"
    & skf18("7","9","9","1","6","5","1") = "8"
    & skf18("7","9","9","1","6","6","1") = "8"
    & skf18("7","9","9","1","6","7","1") = "8"
    & skf18("7","9","9","1","6","8","1") = "8"
    & skf18("7","9","9","1","6","9","1") = "8"
    & skf18("7","9","9","1","6","10","1") = "9"
    & skf18("7","9","9","1","7","1","1") = "8"
    & skf18("7","9","9","1","7","2","1") = "8"
    & skf18("7","9","9","1","7","3","1") = "8"
    & skf18("7","9","9","1","7","4","1") = "8"
    & skf18("7","9","9","1","7","5","1") = "8"
    & skf18("7","9","9","1","7","6","1") = "8"
    & skf18("7","9","9","1","7","7","1") = "8"
    & skf18("7","9","9","1","7","8","1") = "8"
    & skf18("7","9","9","1","7","9","1") = "8"
    & skf18("7","9","9","1","7","10","1") = "9"
    & skf18("7","9","9","1","8","1","1") = "8"
    & skf18("7","9","9","1","8","2","1") = "8"
    & skf18("7","9","9","1","8","3","1") = "8"
    & skf18("7","9","9","1","8","4","1") = "8"
    & skf18("7","9","9","1","8","5","1") = "8"
    & skf18("7","9","9","1","8","6","1") = "8"
    & skf18("7","9","9","1","8","7","1") = "8"
    & skf18("7","9","9","1","8","8","1") = "8"
    & skf18("7","9","9","1","8","9","1") = "8"
    & skf18("7","9","9","1","8","10","1") = "9"
    & skf18("7","9","9","1","9","1","1") = "8"
    & skf18("7","9","9","1","9","2","1") = "8"
    & skf18("7","9","9","1","9","3","1") = "8"
    & skf18("7","9","9","1","9","4","1") = "8"
    & skf18("7","9","9","1","9","5","1") = "8"
    & skf18("7","9","9","1","9","6","1") = "8"
    & skf18("7","9","9","1","9","7","1") = "8"
    & skf18("7","9","9","1","9","8","1") = "8"
    & skf18("7","9","9","1","9","9","1") = "8"
    & skf18("7","9","9","1","9","10","1") = "9"
    & skf18("7","9","9","1","10","1","1") = "9"
    & skf18("7","9","9","1","10","2","1") = "9"
    & skf18("7","9","9","1","10","3","1") = "9"
    & skf18("7","9","9","1","10","4","1") = "9"
    & skf18("7","9","9","1","10","5","1") = "9"
    & skf18("7","9","9","1","10","6","1") = "9"
    & skf18("7","9","9","1","10","7","1") = "9"
    & skf18("7","9","9","1","10","8","1") = "9"
    & skf18("7","9","9","1","10","9","1") = "9"
    & skf18("7","9","9","1","10","10","1") = "9"
    & skf18("7","9","9","2","1","1","1") = "8"
    & skf18("7","9","9","2","1","2","1") = "8"
    & skf18("7","9","9","2","1","3","1") = "8"
    & skf18("7","9","9","2","1","4","1") = "8"
    & skf18("7","9","9","2","1","5","1") = "8"
    & skf18("7","9","9","2","1","6","1") = "8"
    & skf18("7","9","9","2","1","7","1") = "8"
    & skf18("7","9","9","2","1","8","1") = "8"
    & skf18("7","9","9","2","1","9","1") = "8"
    & skf18("7","9","9","2","1","10","1") = "9"
    & skf18("7","9","9","2","2","1","1") = "8"
    & skf18("7","9","9","2","2","2","1") = "8"
    & skf18("7","9","9","2","2","3","1") = "8"
    & skf18("7","9","9","2","2","4","1") = "8"
    & skf18("7","9","9","2","2","5","1") = "8"
    & skf18("7","9","9","2","2","6","1") = "8"
    & skf18("7","9","9","2","2","7","1") = "8"
    & skf18("7","9","9","2","2","8","1") = "8"
    & skf18("7","9","9","2","2","9","1") = "8"
    & skf18("7","9","9","2","2","10","1") = "9"
    & skf18("7","9","9","2","3","1","1") = "8"
    & skf18("7","9","9","2","3","2","1") = "8"
    & skf18("7","9","9","2","3","3","1") = "8"
    & skf18("7","9","9","2","3","4","1") = "8"
    & skf18("7","9","9","2","3","5","1") = "8"
    & skf18("7","9","9","2","3","6","1") = "8"
    & skf18("7","9","9","2","3","7","1") = "8"
    & skf18("7","9","9","2","3","8","1") = "8"
    & skf18("7","9","9","2","3","9","1") = "8"
    & skf18("7","9","9","2","3","10","1") = "9"
    & skf18("7","9","9","2","4","1","1") = "8"
    & skf18("7","9","9","2","4","2","1") = "8"
    & skf18("7","9","9","2","4","3","1") = "8"
    & skf18("7","9","9","2","4","4","1") = "8"
    & skf18("7","9","9","2","4","5","1") = "8"
    & skf18("7","9","9","2","4","6","1") = "8"
    & skf18("7","9","9","2","4","7","1") = "8"
    & skf18("7","9","9","2","4","8","1") = "8"
    & skf18("7","9","9","2","4","9","1") = "8"
    & skf18("7","9","9","2","4","10","1") = "9"
    & skf18("7","9","9","2","5","1","1") = "8"
    & skf18("7","9","9","2","5","2","1") = "8"
    & skf18("7","9","9","2","5","3","1") = "8"
    & skf18("7","9","9","2","5","4","1") = "8"
    & skf18("7","9","9","2","5","5","1") = "8"
    & skf18("7","9","9","2","5","6","1") = "8"
    & skf18("7","9","9","2","5","7","1") = "8"
    & skf18("7","9","9","2","5","8","1") = "8"
    & skf18("7","9","9","2","5","9","1") = "8"
    & skf18("7","9","9","2","5","10","1") = "9"
    & skf18("7","9","9","2","6","1","1") = "8"
    & skf18("7","9","9","2","6","2","1") = "8"
    & skf18("7","9","9","2","6","3","1") = "8"
    & skf18("7","9","9","2","6","4","1") = "8"
    & skf18("7","9","9","2","6","5","1") = "8"
    & skf18("7","9","9","2","6","6","1") = "8"
    & skf18("7","9","9","2","6","7","1") = "8"
    & skf18("7","9","9","2","6","8","1") = "8"
    & skf18("7","9","9","2","6","9","1") = "8"
    & skf18("7","9","9","2","6","10","1") = "9"
    & skf18("7","9","9","2","7","1","1") = "8"
    & skf18("7","9","9","2","7","2","1") = "8"
    & skf18("7","9","9","2","7","3","1") = "8"
    & skf18("7","9","9","2","7","4","1") = "8"
    & skf18("7","9","9","2","7","5","1") = "8"
    & skf18("7","9","9","2","7","6","1") = "8"
    & skf18("7","9","9","2","7","7","1") = "8"
    & skf18("7","9","9","2","7","8","1") = "8"
    & skf18("7","9","9","2","7","9","1") = "8"
    & skf18("7","9","9","2","7","10","1") = "9"
    & skf18("7","9","9","2","8","1","1") = "8"
    & skf18("7","9","9","2","8","2","1") = "8"
    & skf18("7","9","9","2","8","3","1") = "8"
    & skf18("7","9","9","2","8","4","1") = "8"
    & skf18("7","9","9","2","8","5","1") = "8"
    & skf18("7","9","9","2","8","6","1") = "8"
    & skf18("7","9","9","2","8","7","1") = "8"
    & skf18("7","9","9","2","8","8","1") = "8"
    & skf18("7","9","9","2","8","9","1") = "8"
    & skf18("7","9","9","2","8","10","1") = "9"
    & skf18("7","9","9","2","9","1","1") = "8"
    & skf18("7","9","9","2","9","2","1") = "8"
    & skf18("7","9","9","2","9","3","1") = "8"
    & skf18("7","9","9","2","9","4","1") = "8"
    & skf18("7","9","9","2","9","5","1") = "8"
    & skf18("7","9","9","2","9","6","1") = "8"
    & skf18("7","9","9","2","9","7","1") = "8"
    & skf18("7","9","9","2","9","8","1") = "8"
    & skf18("7","9","9","2","9","9","1") = "8"
    & skf18("7","9","9","2","9","10","1") = "9"
    & skf18("7","9","9","2","10","1","1") = "9"
    & skf18("7","9","9","2","10","2","1") = "9"
    & skf18("7","9","9","2","10","3","1") = "9"
    & skf18("7","9","9","2","10","4","1") = "9"
    & skf18("7","9","9","2","10","5","1") = "9"
    & skf18("7","9","9","2","10","6","1") = "9"
    & skf18("7","9","9","2","10","7","1") = "9"
    & skf18("7","9","9","2","10","8","1") = "9"
    & skf18("7","9","9","2","10","9","1") = "9"
    & skf18("7","9","9","2","10","10","1") = "9"
    & skf18("7","9","9","3","1","1","1") = "8"
    & skf18("7","9","9","3","1","2","1") = "8"
    & skf18("7","9","9","3","1","3","1") = "8"
    & skf18("7","9","9","3","1","4","1") = "8"
    & skf18("7","9","9","3","1","5","1") = "8"
    & skf18("7","9","9","3","1","6","1") = "8"
    & skf18("7","9","9","3","1","7","1") = "8"
    & skf18("7","9","9","3","1","8","1") = "8"
    & skf18("7","9","9","3","1","9","1") = "8"
    & skf18("7","9","9","3","1","10","1") = "9"
    & skf18("7","9","9","3","2","1","1") = "8"
    & skf18("7","9","9","3","2","2","1") = "8"
    & skf18("7","9","9","3","2","3","1") = "8"
    & skf18("7","9","9","3","2","4","1") = "8"
    & skf18("7","9","9","3","2","5","1") = "8"
    & skf18("7","9","9","3","2","6","1") = "8"
    & skf18("7","9","9","3","2","7","1") = "8"
    & skf18("7","9","9","3","2","8","1") = "8"
    & skf18("7","9","9","3","2","9","1") = "8"
    & skf18("7","9","9","3","2","10","1") = "9"
    & skf18("7","9","9","3","3","1","1") = "8"
    & skf18("7","9","9","3","3","2","1") = "8"
    & skf18("7","9","9","3","3","3","1") = "8"
    & skf18("7","9","9","3","3","4","1") = "8"
    & skf18("7","9","9","3","3","5","1") = "8"
    & skf18("7","9","9","3","3","6","1") = "8"
    & skf18("7","9","9","3","3","7","1") = "8"
    & skf18("7","9","9","3","3","8","1") = "8"
    & skf18("7","9","9","3","3","9","1") = "8"
    & skf18("7","9","9","3","3","10","1") = "9"
    & skf18("7","9","9","3","4","1","1") = "8"
    & skf18("7","9","9","3","4","2","1") = "8"
    & skf18("7","9","9","3","4","3","1") = "8"
    & skf18("7","9","9","3","4","4","1") = "8"
    & skf18("7","9","9","3","4","5","1") = "8"
    & skf18("7","9","9","3","4","6","1") = "8"
    & skf18("7","9","9","3","4","7","1") = "8"
    & skf18("7","9","9","3","4","8","1") = "8"
    & skf18("7","9","9","3","4","9","1") = "8"
    & skf18("7","9","9","3","4","10","1") = "9"
    & skf18("7","9","9","3","5","1","1") = "8"
    & skf18("7","9","9","3","5","2","1") = "8"
    & skf18("7","9","9","3","5","3","1") = "8"
    & skf18("7","9","9","3","5","4","1") = "8"
    & skf18("7","9","9","3","5","5","1") = "8"
    & skf18("7","9","9","3","5","6","1") = "8"
    & skf18("7","9","9","3","5","7","1") = "8"
    & skf18("7","9","9","3","5","8","1") = "8"
    & skf18("7","9","9","3","5","9","1") = "8"
    & skf18("7","9","9","3","5","10","1") = "9"
    & skf18("7","9","9","3","6","1","1") = "8"
    & skf18("7","9","9","3","6","2","1") = "8"
    & skf18("7","9","9","3","6","3","1") = "8"
    & skf18("7","9","9","3","6","4","1") = "8"
    & skf18("7","9","9","3","6","5","1") = "8"
    & skf18("7","9","9","3","6","6","1") = "8"
    & skf18("7","9","9","3","6","7","1") = "8"
    & skf18("7","9","9","3","6","8","1") = "8"
    & skf18("7","9","9","3","6","9","1") = "8"
    & skf18("7","9","9","3","6","10","1") = "9"
    & skf18("7","9","9","3","7","1","1") = "8"
    & skf18("7","9","9","3","7","2","1") = "8"
    & skf18("7","9","9","3","7","3","1") = "8"
    & skf18("7","9","9","3","7","4","1") = "8"
    & skf18("7","9","9","3","7","5","1") = "8"
    & skf18("7","9","9","3","7","6","1") = "8"
    & skf18("7","9","9","3","7","7","1") = "8"
    & skf18("7","9","9","3","7","8","1") = "8"
    & skf18("7","9","9","3","7","9","1") = "8"
    & skf18("7","9","9","3","7","10","1") = "9"
    & skf18("7","9","9","3","8","1","1") = "8"
    & skf18("7","9","9","3","8","2","1") = "8"
    & skf18("7","9","9","3","8","3","1") = "8"
    & skf18("7","9","9","3","8","4","1") = "8"
    & skf18("7","9","9","3","8","5","1") = "8"
    & skf18("7","9","9","3","8","6","1") = "8"
    & skf18("7","9","9","3","8","7","1") = "8"
    & skf18("7","9","9","3","8","8","1") = "8"
    & skf18("7","9","9","3","8","9","1") = "8"
    & skf18("7","9","9","3","8","10","1") = "9"
    & skf18("7","9","9","3","9","1","1") = "8"
    & skf18("7","9","9","3","9","2","1") = "8"
    & skf18("7","9","9","3","9","3","1") = "8"
    & skf18("7","9","9","3","9","4","1") = "8"
    & skf18("7","9","9","3","9","5","1") = "8"
    & skf18("7","9","9","3","9","6","1") = "8"
    & skf18("7","9","9","3","9","7","1") = "8"
    & skf18("7","9","9","3","9","8","1") = "8"
    & skf18("7","9","9","3","9","9","1") = "8"
    & skf18("7","9","9","3","9","10","1") = "9"
    & skf18("7","9","9","3","10","1","1") = "9"
    & skf18("7","9","9","3","10","2","1") = "9"
    & skf18("7","9","9","3","10","3","1") = "9"
    & skf18("7","9","9","3","10","4","1") = "9"
    & skf18("7","9","9","3","10","5","1") = "9"
    & skf18("7","9","9","3","10","6","1") = "9"
    & skf18("7","9","9","3","10","7","1") = "9"
    & skf18("7","9","9","3","10","8","1") = "9"
    & skf18("7","9","9","3","10","9","1") = "9"
    & skf18("7","9","9","3","10","10","1") = "9"
    & skf18("7","9","9","4","1","1","1") = "8"
    & skf18("7","9","9","4","1","2","1") = "8"
    & skf18("7","9","9","4","1","3","1") = "8"
    & skf18("7","9","9","4","1","4","1") = "8"
    & skf18("7","9","9","4","1","5","1") = "8"
    & skf18("7","9","9","4","1","6","1") = "8"
    & skf18("7","9","9","4","1","7","1") = "8"
    & skf18("7","9","9","4","1","8","1") = "8"
    & skf18("7","9","9","4","1","9","1") = "8"
    & skf18("7","9","9","4","1","10","1") = "9"
    & skf18("7","9","9","4","2","1","1") = "8"
    & skf18("7","9","9","4","2","2","1") = "8"
    & skf18("7","9","9","4","2","3","1") = "8"
    & skf18("7","9","9","4","2","4","1") = "8"
    & skf18("7","9","9","4","2","5","1") = "8"
    & skf18("7","9","9","4","2","6","1") = "8"
    & skf18("7","9","9","4","2","7","1") = "8"
    & skf18("7","9","9","4","2","8","1") = "8"
    & skf18("7","9","9","4","2","9","1") = "8"
    & skf18("7","9","9","4","2","10","1") = "9"
    & skf18("7","9","9","4","3","1","1") = "8"
    & skf18("7","9","9","4","3","2","1") = "8"
    & skf18("7","9","9","4","3","3","1") = "8"
    & skf18("7","9","9","4","3","4","1") = "8"
    & skf18("7","9","9","4","3","5","1") = "8"
    & skf18("7","9","9","4","3","6","1") = "8"
    & skf18("7","9","9","4","3","7","1") = "8"
    & skf18("7","9","9","4","3","8","1") = "8"
    & skf18("7","9","9","4","3","9","1") = "8"
    & skf18("7","9","9","4","3","10","1") = "9"
    & skf18("7","9","9","4","4","1","1") = "8"
    & skf18("7","9","9","4","4","2","1") = "8"
    & skf18("7","9","9","4","4","3","1") = "8"
    & skf18("7","9","9","4","4","4","1") = "8"
    & skf18("7","9","9","4","4","5","1") = "8"
    & skf18("7","9","9","4","4","6","1") = "8"
    & skf18("7","9","9","4","4","7","1") = "8"
    & skf18("7","9","9","4","4","8","1") = "8"
    & skf18("7","9","9","4","4","9","1") = "8"
    & skf18("7","9","9","4","4","10","1") = "9"
    & skf18("7","9","9","4","5","1","1") = "8"
    & skf18("7","9","9","4","5","2","1") = "8"
    & skf18("7","9","9","4","5","3","1") = "8"
    & skf18("7","9","9","4","5","4","1") = "8"
    & skf18("7","9","9","4","5","5","1") = "8"
    & skf18("7","9","9","4","5","6","1") = "8"
    & skf18("7","9","9","4","5","7","1") = "8"
    & skf18("7","9","9","4","5","8","1") = "8"
    & skf18("7","9","9","4","5","9","1") = "8"
    & skf18("7","9","9","4","5","10","1") = "9"
    & skf18("7","9","9","4","6","1","1") = "8"
    & skf18("7","9","9","4","6","2","1") = "8"
    & skf18("7","9","9","4","6","3","1") = "8"
    & skf18("7","9","9","4","6","4","1") = "8"
    & skf18("7","9","9","4","6","5","1") = "8"
    & skf18("7","9","9","4","6","6","1") = "8"
    & skf18("7","9","9","4","6","7","1") = "8"
    & skf18("7","9","9","4","6","8","1") = "8"
    & skf18("7","9","9","4","6","9","1") = "8"
    & skf18("7","9","9","4","6","10","1") = "9"
    & skf18("7","9","9","4","7","1","1") = "8"
    & skf18("7","9","9","4","7","2","1") = "8"
    & skf18("7","9","9","4","7","3","1") = "8"
    & skf18("7","9","9","4","7","4","1") = "8"
    & skf18("7","9","9","4","7","5","1") = "8"
    & skf18("7","9","9","4","7","6","1") = "8"
    & skf18("7","9","9","4","7","7","1") = "8"
    & skf18("7","9","9","4","7","8","1") = "8"
    & skf18("7","9","9","4","7","9","1") = "8"
    & skf18("7","9","9","4","7","10","1") = "9"
    & skf18("7","9","9","4","8","1","1") = "8"
    & skf18("7","9","9","4","8","2","1") = "8"
    & skf18("7","9","9","4","8","3","1") = "8"
    & skf18("7","9","9","4","8","4","1") = "8"
    & skf18("7","9","9","4","8","5","1") = "8"
    & skf18("7","9","9","4","8","6","1") = "8"
    & skf18("7","9","9","4","8","7","1") = "8"
    & skf18("7","9","9","4","8","8","1") = "8"
    & skf18("7","9","9","4","8","9","1") = "8"
    & skf18("7","9","9","4","8","10","1") = "9"
    & skf18("7","9","9","4","9","1","1") = "8"
    & skf18("7","9","9","4","9","2","1") = "8"
    & skf18("7","9","9","4","9","3","1") = "8"
    & skf18("7","9","9","4","9","4","1") = "8"
    & skf18("7","9","9","4","9","5","1") = "8"
    & skf18("7","9","9","4","9","6","1") = "8"
    & skf18("7","9","9","4","9","7","1") = "8"
    & skf18("7","9","9","4","9","8","1") = "8"
    & skf18("7","9","9","4","9","9","1") = "8"
    & skf18("7","9","9","4","9","10","1") = "9"
    & skf18("7","9","9","4","10","1","1") = "9"
    & skf18("7","9","9","4","10","2","1") = "9"
    & skf18("7","9","9","4","10","3","1") = "9"
    & skf18("7","9","9","4","10","4","1") = "9"
    & skf18("7","9","9","4","10","5","1") = "9"
    & skf18("7","9","9","4","10","6","1") = "9"
    & skf18("7","9","9","4","10","7","1") = "9"
    & skf18("7","9","9","4","10","8","1") = "9"
    & skf18("7","9","9","4","10","9","1") = "9"
    & skf18("7","9","9","4","10","10","1") = "9"
    & skf18("7","9","9","5","1","1","1") = "8"
    & skf18("7","9","9","5","1","2","1") = "8"
    & skf18("7","9","9","5","1","3","1") = "8"
    & skf18("7","9","9","5","1","4","1") = "8"
    & skf18("7","9","9","5","1","5","1") = "8"
    & skf18("7","9","9","5","1","6","1") = "8"
    & skf18("7","9","9","5","1","7","1") = "8"
    & skf18("7","9","9","5","1","8","1") = "8"
    & skf18("7","9","9","5","1","9","1") = "8"
    & skf18("7","9","9","5","1","10","1") = "9"
    & skf18("7","9","9","5","2","1","1") = "8"
    & skf18("7","9","9","5","2","2","1") = "8"
    & skf18("7","9","9","5","2","3","1") = "8"
    & skf18("7","9","9","5","2","4","1") = "8"
    & skf18("7","9","9","5","2","5","1") = "8"
    & skf18("7","9","9","5","2","6","1") = "8"
    & skf18("7","9","9","5","2","7","1") = "8"
    & skf18("7","9","9","5","2","8","1") = "8"
    & skf18("7","9","9","5","2","9","1") = "8"
    & skf18("7","9","9","5","2","10","1") = "9"
    & skf18("7","9","9","5","3","1","1") = "8"
    & skf18("7","9","9","5","3","2","1") = "8"
    & skf18("7","9","9","5","3","3","1") = "8"
    & skf18("7","9","9","5","3","4","1") = "8"
    & skf18("7","9","9","5","3","5","1") = "8"
    & skf18("7","9","9","5","3","6","1") = "8"
    & skf18("7","9","9","5","3","7","1") = "8"
    & skf18("7","9","9","5","3","8","1") = "8"
    & skf18("7","9","9","5","3","9","1") = "8"
    & skf18("7","9","9","5","3","10","1") = "9"
    & skf18("7","9","9","5","4","1","1") = "8"
    & skf18("7","9","9","5","4","2","1") = "8"
    & skf18("7","9","9","5","4","3","1") = "8"
    & skf18("7","9","9","5","4","4","1") = "8"
    & skf18("7","9","9","5","4","5","1") = "8"
    & skf18("7","9","9","5","4","6","1") = "8"
    & skf18("7","9","9","5","4","7","1") = "8"
    & skf18("7","9","9","5","4","8","1") = "8"
    & skf18("7","9","9","5","4","9","1") = "8"
    & skf18("7","9","9","5","4","10","1") = "9"
    & skf18("7","9","9","5","5","1","1") = "8"
    & skf18("7","9","9","5","5","2","1") = "8"
    & skf18("7","9","9","5","5","3","1") = "8"
    & skf18("7","9","9","5","5","4","1") = "8"
    & skf18("7","9","9","5","5","5","1") = "8"
    & skf18("7","9","9","5","5","6","1") = "8"
    & skf18("7","9","9","5","5","7","1") = "8"
    & skf18("7","9","9","5","5","8","1") = "8"
    & skf18("7","9","9","5","5","9","1") = "8"
    & skf18("7","9","9","5","5","10","1") = "9"
    & skf18("7","9","9","5","6","1","1") = "8"
    & skf18("7","9","9","5","6","2","1") = "8"
    & skf18("7","9","9","5","6","3","1") = "8"
    & skf18("7","9","9","5","6","4","1") = "8"
    & skf18("7","9","9","5","6","5","1") = "8"
    & skf18("7","9","9","5","6","6","1") = "8"
    & skf18("7","9","9","5","6","7","1") = "8"
    & skf18("7","9","9","5","6","8","1") = "8"
    & skf18("7","9","9","5","6","9","1") = "8"
    & skf18("7","9","9","5","6","10","1") = "9"
    & skf18("7","9","9","5","7","1","1") = "8"
    & skf18("7","9","9","5","7","2","1") = "8"
    & skf18("7","9","9","5","7","3","1") = "8"
    & skf18("7","9","9","5","7","4","1") = "8"
    & skf18("7","9","9","5","7","5","1") = "8"
    & skf18("7","9","9","5","7","6","1") = "8"
    & skf18("7","9","9","5","7","7","1") = "8"
    & skf18("7","9","9","5","7","8","1") = "8"
    & skf18("7","9","9","5","7","9","1") = "8"
    & skf18("7","9","9","5","7","10","1") = "9"
    & skf18("7","9","9","5","8","1","1") = "8"
    & skf18("7","9","9","5","8","2","1") = "8"
    & skf18("7","9","9","5","8","3","1") = "8"
    & skf18("7","9","9","5","8","4","1") = "8"
    & skf18("7","9","9","5","8","5","1") = "8"
    & skf18("7","9","9","5","8","6","1") = "8"
    & skf18("7","9","9","5","8","7","1") = "8"
    & skf18("7","9","9","5","8","8","1") = "8"
    & skf18("7","9","9","5","8","9","1") = "8"
    & skf18("7","9","9","5","8","10","1") = "9"
    & skf18("7","9","9","5","9","1","1") = "8"
    & skf18("7","9","9","5","9","2","1") = "8"
    & skf18("7","9","9","5","9","3","1") = "8"
    & skf18("7","9","9","5","9","4","1") = "8"
    & skf18("7","9","9","5","9","5","1") = "8"
    & skf18("7","9","9","5","9","6","1") = "8"
    & skf18("7","9","9","5","9","7","1") = "8"
    & skf18("7","9","9","5","9","8","1") = "8"
    & skf18("7","9","9","5","9","9","1") = "8"
    & skf18("7","9","9","5","9","10","1") = "9"
    & skf18("7","9","9","5","10","1","1") = "9"
    & skf18("7","9","9","5","10","2","1") = "9"
    & skf18("7","9","9","5","10","3","1") = "9"
    & skf18("7","9","9","5","10","4","1") = "9"
    & skf18("7","9","9","5","10","5","1") = "9"
    & skf18("7","9","9","5","10","6","1") = "9"
    & skf18("7","9","9","5","10","7","1") = "9"
    & skf18("7","9","9","5","10","8","1") = "9"
    & skf18("7","9","9","5","10","9","1") = "9"
    & skf18("7","9","9","5","10","10","1") = "9"
    & skf18("7","9","9","6","1","1","1") = "8"
    & skf18("7","9","9","6","1","2","1") = "8"
    & skf18("7","9","9","6","1","3","1") = "8"
    & skf18("7","9","9","6","1","4","1") = "8"
    & skf18("7","9","9","6","1","5","1") = "8"
    & skf18("7","9","9","6","1","6","1") = "8"
    & skf18("7","9","9","6","1","7","1") = "8"
    & skf18("7","9","9","6","1","8","1") = "8"
    & skf18("7","9","9","6","1","9","1") = "8"
    & skf18("7","9","9","6","1","10","1") = "9"
    & skf18("7","9","9","6","2","1","1") = "8"
    & skf18("7","9","9","6","2","2","1") = "8"
    & skf18("7","9","9","6","2","3","1") = "8"
    & skf18("7","9","9","6","2","4","1") = "8"
    & skf18("7","9","9","6","2","5","1") = "8"
    & skf18("7","9","9","6","2","6","1") = "8"
    & skf18("7","9","9","6","2","7","1") = "8"
    & skf18("7","9","9","6","2","8","1") = "8"
    & skf18("7","9","9","6","2","9","1") = "8"
    & skf18("7","9","9","6","2","10","1") = "9"
    & skf18("7","9","9","6","3","1","1") = "8"
    & skf18("7","9","9","6","3","2","1") = "8"
    & skf18("7","9","9","6","3","3","1") = "8"
    & skf18("7","9","9","6","3","4","1") = "8"
    & skf18("7","9","9","6","3","5","1") = "8"
    & skf18("7","9","9","6","3","6","1") = "8"
    & skf18("7","9","9","6","3","7","1") = "8"
    & skf18("7","9","9","6","3","8","1") = "8"
    & skf18("7","9","9","6","3","9","1") = "8"
    & skf18("7","9","9","6","3","10","1") = "9"
    & skf18("7","9","9","6","4","1","1") = "8"
    & skf18("7","9","9","6","4","2","1") = "8"
    & skf18("7","9","9","6","4","3","1") = "8"
    & skf18("7","9","9","6","4","4","1") = "8"
    & skf18("7","9","9","6","4","5","1") = "8"
    & skf18("7","9","9","6","4","6","1") = "8"
    & skf18("7","9","9","6","4","7","1") = "8"
    & skf18("7","9","9","6","4","8","1") = "8"
    & skf18("7","9","9","6","4","9","1") = "8"
    & skf18("7","9","9","6","4","10","1") = "9"
    & skf18("7","9","9","6","5","1","1") = "8"
    & skf18("7","9","9","6","5","2","1") = "8"
    & skf18("7","9","9","6","5","3","1") = "8"
    & skf18("7","9","9","6","5","4","1") = "8"
    & skf18("7","9","9","6","5","5","1") = "8"
    & skf18("7","9","9","6","5","6","1") = "8"
    & skf18("7","9","9","6","5","7","1") = "8"
    & skf18("7","9","9","6","5","8","1") = "8"
    & skf18("7","9","9","6","5","9","1") = "8"
    & skf18("7","9","9","6","5","10","1") = "9"
    & skf18("7","9","9","6","6","1","1") = "8"
    & skf18("7","9","9","6","6","2","1") = "8"
    & skf18("7","9","9","6","6","3","1") = "8"
    & skf18("7","9","9","6","6","4","1") = "8"
    & skf18("7","9","9","6","6","5","1") = "8"
    & skf18("7","9","9","6","6","6","1") = "8"
    & skf18("7","9","9","6","6","7","1") = "8"
    & skf18("7","9","9","6","6","8","1") = "8"
    & skf18("7","9","9","6","6","9","1") = "8"
    & skf18("7","9","9","6","6","10","1") = "9"
    & skf18("7","9","9","6","7","1","1") = "8"
    & skf18("7","9","9","6","7","2","1") = "8"
    & skf18("7","9","9","6","7","3","1") = "8"
    & skf18("7","9","9","6","7","4","1") = "8"
    & skf18("7","9","9","6","7","5","1") = "8"
    & skf18("7","9","9","6","7","6","1") = "8"
    & skf18("7","9","9","6","7","7","1") = "8"
    & skf18("7","9","9","6","7","8","1") = "8"
    & skf18("7","9","9","6","7","9","1") = "8"
    & skf18("7","9","9","6","7","10","1") = "9"
    & skf18("7","9","9","6","8","1","1") = "8"
    & skf18("7","9","9","6","8","2","1") = "8"
    & skf18("7","9","9","6","8","3","1") = "8"
    & skf18("7","9","9","6","8","4","1") = "8"
    & skf18("7","9","9","6","8","5","1") = "8"
    & skf18("7","9","9","6","8","6","1") = "8"
    & skf18("7","9","9","6","8","7","1") = "8"
    & skf18("7","9","9","6","8","8","1") = "8"
    & skf18("7","9","9","6","8","9","1") = "8"
    & skf18("7","9","9","6","8","10","1") = "9"
    & skf18("7","9","9","6","9","1","1") = "8"
    & skf18("7","9","9","6","9","2","1") = "8"
    & skf18("7","9","9","6","9","3","1") = "8"
    & skf18("7","9","9","6","9","4","1") = "8"
    & skf18("7","9","9","6","9","5","1") = "8"
    & skf18("7","9","9","6","9","6","1") = "8"
    & skf18("7","9","9","6","9","7","1") = "8"
    & skf18("7","9","9","6","9","8","1") = "8"
    & skf18("7","9","9","6","9","9","1") = "8"
    & skf18("7","9","9","6","9","10","1") = "9"
    & skf18("7","9","9","6","10","1","1") = "9"
    & skf18("7","9","9","6","10","2","1") = "9"
    & skf18("7","9","9","6","10","3","1") = "9"
    & skf18("7","9","9","6","10","4","1") = "9"
    & skf18("7","9","9","6","10","5","1") = "9"
    & skf18("7","9","9","6","10","6","1") = "9"
    & skf18("7","9","9","6","10","7","1") = "9"
    & skf18("7","9","9","6","10","8","1") = "9"
    & skf18("7","9","9","6","10","9","1") = "9"
    & skf18("7","9","9","6","10","10","1") = "9"
    & skf18("7","9","9","7","1","1","1") = "8"
    & skf18("7","9","9","7","1","2","1") = "8"
    & skf18("7","9","9","7","1","3","1") = "8"
    & skf18("7","9","9","7","1","4","1") = "8"
    & skf18("7","9","9","7","1","5","1") = "8"
    & skf18("7","9","9","7","1","6","1") = "8"
    & skf18("7","9","9","7","1","7","1") = "8"
    & skf18("7","9","9","7","1","8","1") = "8"
    & skf18("7","9","9","7","1","9","1") = "8"
    & skf18("7","9","9","7","1","10","1") = "9"
    & skf18("7","9","9","7","2","1","1") = "8"
    & skf18("7","9","9","7","2","2","1") = "8"
    & skf18("7","9","9","7","2","3","1") = "8"
    & skf18("7","9","9","7","2","4","1") = "8"
    & skf18("7","9","9","7","2","5","1") = "8"
    & skf18("7","9","9","7","2","6","1") = "8"
    & skf18("7","9","9","7","2","7","1") = "8"
    & skf18("7","9","9","7","2","8","1") = "8"
    & skf18("7","9","9","7","2","9","1") = "8"
    & skf18("7","9","9","7","2","10","1") = "9"
    & skf18("7","9","9","7","3","1","1") = "8"
    & skf18("7","9","9","7","3","2","1") = "8"
    & skf18("7","9","9","7","3","3","1") = "8"
    & skf18("7","9","9","7","3","4","1") = "8"
    & skf18("7","9","9","7","3","5","1") = "8"
    & skf18("7","9","9","7","3","6","1") = "8"
    & skf18("7","9","9","7","3","7","1") = "8"
    & skf18("7","9","9","7","3","8","1") = "8"
    & skf18("7","9","9","7","3","9","1") = "8"
    & skf18("7","9","9","7","3","10","1") = "9"
    & skf18("7","9","9","7","4","1","1") = "8"
    & skf18("7","9","9","7","4","2","1") = "8"
    & skf18("7","9","9","7","4","3","1") = "8"
    & skf18("7","9","9","7","4","4","1") = "8"
    & skf18("7","9","9","7","4","5","1") = "8"
    & skf18("7","9","9","7","4","6","1") = "8"
    & skf18("7","9","9","7","4","7","1") = "8"
    & skf18("7","9","9","7","4","8","1") = "8"
    & skf18("7","9","9","7","4","9","1") = "8"
    & skf18("7","9","9","7","4","10","1") = "9"
    & skf18("7","9","9","7","5","1","1") = "8"
    & skf18("7","9","9","7","5","2","1") = "8"
    & skf18("7","9","9","7","5","3","1") = "8"
    & skf18("7","9","9","7","5","4","1") = "8"
    & skf18("7","9","9","7","5","5","1") = "8"
    & skf18("7","9","9","7","5","6","1") = "8"
    & skf18("7","9","9","7","5","7","1") = "8"
    & skf18("7","9","9","7","5","8","1") = "8"
    & skf18("7","9","9","7","5","9","1") = "8"
    & skf18("7","9","9","7","5","10","1") = "9"
    & skf18("7","9","9","7","6","1","1") = "8"
    & skf18("7","9","9","7","6","2","1") = "8"
    & skf18("7","9","9","7","6","3","1") = "8"
    & skf18("7","9","9","7","6","4","1") = "8"
    & skf18("7","9","9","7","6","5","1") = "8"
    & skf18("7","9","9","7","6","6","1") = "8"
    & skf18("7","9","9","7","6","7","1") = "8"
    & skf18("7","9","9","7","6","8","1") = "8"
    & skf18("7","9","9","7","6","9","1") = "8"
    & skf18("7","9","9","7","6","10","1") = "9"
    & skf18("7","9","9","7","7","1","1") = "8"
    & skf18("7","9","9","7","7","2","1") = "8"
    & skf18("7","9","9","7","7","3","1") = "8"
    & skf18("7","9","9","7","7","4","1") = "8"
    & skf18("7","9","9","7","7","5","1") = "8"
    & skf18("7","9","9","7","7","6","1") = "8"
    & skf18("7","9","9","7","7","7","1") = "8"
    & skf18("7","9","9","7","7","8","1") = "8"
    & skf18("7","9","9","7","7","9","1") = "8"
    & skf18("7","9","9","7","7","10","1") = "9"
    & skf18("7","9","9","7","8","1","1") = "8"
    & skf18("7","9","9","7","8","2","1") = "8"
    & skf18("7","9","9","7","8","3","1") = "8"
    & skf18("7","9","9","7","8","4","1") = "8"
    & skf18("7","9","9","7","8","5","1") = "8"
    & skf18("7","9","9","7","8","6","1") = "8"
    & skf18("7","9","9","7","8","7","1") = "8"
    & skf18("7","9","9","7","8","8","1") = "8"
    & skf18("7","9","9","7","8","9","1") = "8"
    & skf18("7","9","9","7","8","10","1") = "9"
    & skf18("7","9","9","7","9","1","1") = "8"
    & skf18("7","9","9","7","9","2","1") = "8"
    & skf18("7","9","9","7","9","3","1") = "8"
    & skf18("7","9","9","7","9","4","1") = "8"
    & skf18("7","9","9","7","9","5","1") = "8"
    & skf18("7","9","9","7","9","6","1") = "8"
    & skf18("7","9","9","7","9","7","1") = "8"
    & skf18("7","9","9","7","9","8","1") = "8"
    & skf18("7","9","9","7","9","9","1") = "8"
    & skf18("7","9","9","7","9","10","1") = "9"
    & skf18("7","9","9","7","10","1","1") = "9"
    & skf18("7","9","9","7","10","2","1") = "9"
    & skf18("7","9","9","7","10","3","1") = "9"
    & skf18("7","9","9","7","10","4","1") = "9"
    & skf18("7","9","9","7","10","5","1") = "9"
    & skf18("7","9","9","7","10","6","1") = "9"
    & skf18("7","9","9","7","10","7","1") = "9"
    & skf18("7","9","9","7","10","8","1") = "9"
    & skf18("7","9","9","7","10","9","1") = "9"
    & skf18("7","9","9","7","10","10","1") = "9"
    & skf18("7","9","9","8","1","1","1") = "8"
    & skf18("7","9","9","8","1","2","1") = "8"
    & skf18("7","9","9","8","1","3","1") = "8"
    & skf18("7","9","9","8","1","4","1") = "8"
    & skf18("7","9","9","8","1","5","1") = "8"
    & skf18("7","9","9","8","1","6","1") = "8"
    & skf18("7","9","9","8","1","7","1") = "8"
    & skf18("7","9","9","8","1","8","1") = "8"
    & skf18("7","9","9","8","1","9","1") = "8"
    & skf18("7","9","9","8","1","10","1") = "9"
    & skf18("7","9","9","8","2","1","1") = "8"
    & skf18("7","9","9","8","2","2","1") = "8"
    & skf18("7","9","9","8","2","3","1") = "8"
    & skf18("7","9","9","8","2","4","1") = "8"
    & skf18("7","9","9","8","2","5","1") = "8"
    & skf18("7","9","9","8","2","6","1") = "8"
    & skf18("7","9","9","8","2","7","1") = "8"
    & skf18("7","9","9","8","2","8","1") = "8"
    & skf18("7","9","9","8","2","9","1") = "8"
    & skf18("7","9","9","8","2","10","1") = "9"
    & skf18("7","9","9","8","3","1","1") = "8"
    & skf18("7","9","9","8","3","2","1") = "8"
    & skf18("7","9","9","8","3","3","1") = "8"
    & skf18("7","9","9","8","3","4","1") = "8"
    & skf18("7","9","9","8","3","5","1") = "8"
    & skf18("7","9","9","8","3","6","1") = "8"
    & skf18("7","9","9","8","3","7","1") = "8"
    & skf18("7","9","9","8","3","8","1") = "8"
    & skf18("7","9","9","8","3","9","1") = "8"
    & skf18("7","9","9","8","3","10","1") = "9"
    & skf18("7","9","9","8","4","1","1") = "8"
    & skf18("7","9","9","8","4","2","1") = "8"
    & skf18("7","9","9","8","4","3","1") = "8"
    & skf18("7","9","9","8","4","4","1") = "8"
    & skf18("7","9","9","8","4","5","1") = "8"
    & skf18("7","9","9","8","4","6","1") = "8"
    & skf18("7","9","9","8","4","7","1") = "8"
    & skf18("7","9","9","8","4","8","1") = "8"
    & skf18("7","9","9","8","4","9","1") = "8"
    & skf18("7","9","9","8","4","10","1") = "9"
    & skf18("7","9","9","8","5","1","1") = "8"
    & skf18("7","9","9","8","5","2","1") = "8"
    & skf18("7","9","9","8","5","3","1") = "8"
    & skf18("7","9","9","8","5","4","1") = "8"
    & skf18("7","9","9","8","5","5","1") = "8"
    & skf18("7","9","9","8","5","6","1") = "8"
    & skf18("7","9","9","8","5","7","1") = "8"
    & skf18("7","9","9","8","5","8","1") = "8"
    & skf18("7","9","9","8","5","9","1") = "8"
    & skf18("7","9","9","8","5","10","1") = "9"
    & skf18("7","9","9","8","6","1","1") = "8"
    & skf18("7","9","9","8","6","2","1") = "8"
    & skf18("7","9","9","8","6","3","1") = "8"
    & skf18("7","9","9","8","6","4","1") = "8"
    & skf18("7","9","9","8","6","5","1") = "8"
    & skf18("7","9","9","8","6","6","1") = "8"
    & skf18("7","9","9","8","6","7","1") = "8"
    & skf18("7","9","9","8","6","8","1") = "8"
    & skf18("7","9","9","8","6","9","1") = "8"
    & skf18("7","9","9","8","6","10","1") = "9"
    & skf18("7","9","9","8","7","1","1") = "8"
    & skf18("7","9","9","8","7","2","1") = "8"
    & skf18("7","9","9","8","7","3","1") = "8"
    & skf18("7","9","9","8","7","4","1") = "8"
    & skf18("7","9","9","8","7","5","1") = "8"
    & skf18("7","9","9","8","7","6","1") = "8"
    & skf18("7","9","9","8","7","7","1") = "8"
    & skf18("7","9","9","8","7","8","1") = "8"
    & skf18("7","9","9","8","7","9","1") = "8"
    & skf18("7","9","9","8","7","10","1") = "9"
    & skf18("7","9","9","8","8","1","1") = "8"
    & skf18("7","9","9","8","8","2","1") = "8"
    & skf18("7","9","9","8","8","3","1") = "8"
    & skf18("7","9","9","8","8","4","1") = "8"
    & skf18("7","9","9","8","8","5","1") = "8"
    & skf18("7","9","9","8","8","6","1") = "8"
    & skf18("7","9","9","8","8","7","1") = "8"
    & skf18("7","9","9","8","8","8","1") = "8"
    & skf18("7","9","9","8","8","9","1") = "8"
    & skf18("7","9","9","8","8","10","1") = "9"
    & skf18("7","9","9","8","9","1","1") = "8"
    & skf18("7","9","9","8","9","2","1") = "8"
    & skf18("7","9","9","8","9","3","1") = "8"
    & skf18("7","9","9","8","9","4","1") = "8"
    & skf18("7","9","9","8","9","5","1") = "8"
    & skf18("7","9","9","8","9","6","1") = "8"
    & skf18("7","9","9","8","9","7","1") = "8"
    & skf18("7","9","9","8","9","8","1") = "8"
    & skf18("7","9","9","8","9","9","1") = "8"
    & skf18("7","9","9","8","9","10","1") = "9"
    & skf18("7","9","9","8","10","1","1") = "9"
    & skf18("7","9","9","8","10","2","1") = "9"
    & skf18("7","9","9","8","10","3","1") = "9"
    & skf18("7","9","9","8","10","4","1") = "9"
    & skf18("7","9","9","8","10","5","1") = "9"
    & skf18("7","9","9","8","10","6","1") = "9"
    & skf18("7","9","9","8","10","7","1") = "9"
    & skf18("7","9","9","8","10","8","1") = "9"
    & skf18("7","9","9","8","10","9","1") = "9"
    & skf18("7","9","9","8","10","10","1") = "9"
    & skf18("7","9","9","9","1","1","1") = "8"
    & skf18("7","9","9","9","1","2","1") = "8"
    & skf18("7","9","9","9","1","3","1") = "8"
    & skf18("7","9","9","9","1","4","1") = "8"
    & skf18("7","9","9","9","1","5","1") = "8"
    & skf18("7","9","9","9","1","6","1") = "8"
    & skf18("7","9","9","9","1","7","1") = "8"
    & skf18("7","9","9","9","1","8","1") = "8"
    & skf18("7","9","9","9","1","9","1") = "8"
    & skf18("7","9","9","9","1","10","1") = "9"
    & skf18("7","9","9","9","2","1","1") = "8"
    & skf18("7","9","9","9","2","2","1") = "8"
    & skf18("7","9","9","9","2","3","1") = "8"
    & skf18("7","9","9","9","2","4","1") = "8"
    & skf18("7","9","9","9","2","5","1") = "8"
    & skf18("7","9","9","9","2","6","1") = "8"
    & skf18("7","9","9","9","2","7","1") = "8"
    & skf18("7","9","9","9","2","8","1") = "8"
    & skf18("7","9","9","9","2","9","1") = "8"
    & skf18("7","9","9","9","2","10","1") = "9"
    & skf18("7","9","9","9","3","1","1") = "8"
    & skf18("7","9","9","9","3","2","1") = "8"
    & skf18("7","9","9","9","3","3","1") = "8"
    & skf18("7","9","9","9","3","4","1") = "8"
    & skf18("7","9","9","9","3","5","1") = "8"
    & skf18("7","9","9","9","3","6","1") = "8"
    & skf18("7","9","9","9","3","7","1") = "8"
    & skf18("7","9","9","9","3","8","1") = "8"
    & skf18("7","9","9","9","3","9","1") = "8"
    & skf18("7","9","9","9","3","10","1") = "9"
    & skf18("7","9","9","9","4","1","1") = "8"
    & skf18("7","9","9","9","4","2","1") = "8"
    & skf18("7","9","9","9","4","3","1") = "8"
    & skf18("7","9","9","9","4","4","1") = "8"
    & skf18("7","9","9","9","4","5","1") = "8"
    & skf18("7","9","9","9","4","6","1") = "8"
    & skf18("7","9","9","9","4","7","1") = "8"
    & skf18("7","9","9","9","4","8","1") = "8"
    & skf18("7","9","9","9","4","9","1") = "8"
    & skf18("7","9","9","9","4","10","1") = "9"
    & skf18("7","9","9","9","5","1","1") = "8"
    & skf18("7","9","9","9","5","2","1") = "8"
    & skf18("7","9","9","9","5","3","1") = "8"
    & skf18("7","9","9","9","5","4","1") = "8"
    & skf18("7","9","9","9","5","5","1") = "8"
    & skf18("7","9","9","9","5","6","1") = "8"
    & skf18("7","9","9","9","5","7","1") = "8"
    & skf18("7","9","9","9","5","8","1") = "8"
    & skf18("7","9","9","9","5","9","1") = "8"
    & skf18("7","9","9","9","5","10","1") = "9"
    & skf18("7","9","9","9","6","1","1") = "8"
    & skf18("7","9","9","9","6","2","1") = "8"
    & skf18("7","9","9","9","6","3","1") = "8"
    & skf18("7","9","9","9","6","4","1") = "8"
    & skf18("7","9","9","9","6","5","1") = "8"
    & skf18("7","9","9","9","6","6","1") = "8"
    & skf18("7","9","9","9","6","7","1") = "8"
    & skf18("7","9","9","9","6","8","1") = "8"
    & skf18("7","9","9","9","6","9","1") = "8"
    & skf18("7","9","9","9","6","10","1") = "9"
    & skf18("7","9","9","9","7","1","1") = "8"
    & skf18("7","9","9","9","7","2","1") = "8"
    & skf18("7","9","9","9","7","3","1") = "8"
    & skf18("7","9","9","9","7","4","1") = "8"
    & skf18("7","9","9","9","7","5","1") = "8"
    & skf18("7","9","9","9","7","6","1") = "8"
    & skf18("7","9","9","9","7","7","1") = "8"
    & skf18("7","9","9","9","7","8","1") = "8"
    & skf18("7","9","9","9","7","9","1") = "8"
    & skf18("7","9","9","9","7","10","1") = "9"
    & skf18("7","9","9","9","8","1","1") = "8"
    & skf18("7","9","9","9","8","2","1") = "8"
    & skf18("7","9","9","9","8","3","1") = "8"
    & skf18("7","9","9","9","8","4","1") = "8"
    & skf18("7","9","9","9","8","5","1") = "8"
    & skf18("7","9","9","9","8","6","1") = "8"
    & skf18("7","9","9","9","8","7","1") = "8"
    & skf18("7","9","9","9","8","8","1") = "8"
    & skf18("7","9","9","9","8","9","1") = "8"
    & skf18("7","9","9","9","8","10","1") = "9"
    & skf18("7","9","9","9","9","1","1") = "8"
    & skf18("7","9","9","9","9","2","1") = "8"
    & skf18("7","9","9","9","9","3","1") = "8"
    & skf18("7","9","9","9","9","4","1") = "8"
    & skf18("7","9","9","9","9","5","1") = "8"
    & skf18("7","9","9","9","9","6","1") = "8"
    & skf18("7","9","9","9","9","7","1") = "8"
    & skf18("7","9","9","9","9","8","1") = "8"
    & skf18("7","9","9","9","9","9","1") = "8"
    & skf18("7","9","9","9","9","10","1") = "9"
    & skf18("7","9","9","9","10","1","1") = "9"
    & skf18("7","9","9","9","10","2","1") = "9"
    & skf18("7","9","9","9","10","3","1") = "9"
    & skf18("7","9","9","9","10","4","1") = "9"
    & skf18("7","9","9","9","10","5","1") = "9"
    & skf18("7","9","9","9","10","6","1") = "9"
    & skf18("7","9","9","9","10","7","1") = "9"
    & skf18("7","9","9","9","10","8","1") = "9"
    & skf18("7","9","9","9","10","9","1") = "9"
    & skf18("7","9","9","9","10","10","1") = "9"
    & skf18("7","9","9","10","1","1","1") = "9"
    & skf18("7","9","9","10","1","2","1") = "9"
    & skf18("7","9","9","10","1","3","1") = "9"
    & skf18("7","9","9","10","1","4","1") = "9"
    & skf18("7","9","9","10","1","5","1") = "9"
    & skf18("7","9","9","10","1","6","1") = "9"
    & skf18("7","9","9","10","1","7","1") = "9"
    & skf18("7","9","9","10","1","8","1") = "9"
    & skf18("7","9","9","10","1","9","1") = "9"
    & skf18("7","9","9","10","1","10","1") = "9"
    & skf18("7","9","9","10","2","1","1") = "9"
    & skf18("7","9","9","10","2","2","1") = "9"
    & skf18("7","9","9","10","2","3","1") = "9"
    & skf18("7","9","9","10","2","4","1") = "9"
    & skf18("7","9","9","10","2","5","1") = "9"
    & skf18("7","9","9","10","2","6","1") = "9"
    & skf18("7","9","9","10","2","7","1") = "9"
    & skf18("7","9","9","10","2","8","1") = "9"
    & skf18("7","9","9","10","2","9","1") = "9"
    & skf18("7","9","9","10","2","10","1") = "9"
    & skf18("7","9","9","10","3","1","1") = "9"
    & skf18("7","9","9","10","3","2","1") = "9"
    & skf18("7","9","9","10","3","3","1") = "9"
    & skf18("7","9","9","10","3","4","1") = "9"
    & skf18("7","9","9","10","3","5","1") = "9"
    & skf18("7","9","9","10","3","6","1") = "9"
    & skf18("7","9","9","10","3","7","1") = "9"
    & skf18("7","9","9","10","3","8","1") = "9"
    & skf18("7","9","9","10","3","9","1") = "9"
    & skf18("7","9","9","10","3","10","1") = "9"
    & skf18("7","9","9","10","4","1","1") = "9"
    & skf18("7","9","9","10","4","2","1") = "9"
    & skf18("7","9","9","10","4","3","1") = "9"
    & skf18("7","9","9","10","4","4","1") = "9"
    & skf18("7","9","9","10","4","5","1") = "9"
    & skf18("7","9","9","10","4","6","1") = "9"
    & skf18("7","9","9","10","4","7","1") = "9"
    & skf18("7","9","9","10","4","8","1") = "9"
    & skf18("7","9","9","10","4","9","1") = "9"
    & skf18("7","9","9","10","4","10","1") = "9"
    & skf18("7","9","9","10","5","1","1") = "9"
    & skf18("7","9","9","10","5","2","1") = "9"
    & skf18("7","9","9","10","5","3","1") = "9"
    & skf18("7","9","9","10","5","4","1") = "9"
    & skf18("7","9","9","10","5","5","1") = "9"
    & skf18("7","9","9","10","5","6","1") = "9"
    & skf18("7","9","9","10","5","7","1") = "9"
    & skf18("7","9","9","10","5","8","1") = "9"
    & skf18("7","9","9","10","5","9","1") = "9"
    & skf18("7","9","9","10","5","10","1") = "9"
    & skf18("7","9","9","10","6","1","1") = "9"
    & skf18("7","9","9","10","6","2","1") = "9"
    & skf18("7","9","9","10","6","3","1") = "9"
    & skf18("7","9","9","10","6","4","1") = "9"
    & skf18("7","9","9","10","6","5","1") = "9"
    & skf18("7","9","9","10","6","6","1") = "9"
    & skf18("7","9","9","10","6","7","1") = "9"
    & skf18("7","9","9","10","6","8","1") = "9"
    & skf18("7","9","9","10","6","9","1") = "9"
    & skf18("7","9","9","10","6","10","1") = "9"
    & skf18("7","9","9","10","7","1","1") = "9"
    & skf18("7","9","9","10","7","2","1") = "9"
    & skf18("7","9","9","10","7","3","1") = "9"
    & skf18("7","9","9","10","7","4","1") = "9"
    & skf18("7","9","9","10","7","5","1") = "9"
    & skf18("7","9","9","10","7","6","1") = "9"
    & skf18("7","9","9","10","7","7","1") = "9"
    & skf18("7","9","9","10","7","8","1") = "9"
    & skf18("7","9","9","10","7","9","1") = "9"
    & skf18("7","9","9","10","7","10","1") = "9"
    & skf18("7","9","9","10","8","1","1") = "9"
    & skf18("7","9","9","10","8","2","1") = "9"
    & skf18("7","9","9","10","8","3","1") = "9"
    & skf18("7","9","9","10","8","4","1") = "9"
    & skf18("7","9","9","10","8","5","1") = "9"
    & skf18("7","9","9","10","8","6","1") = "9"
    & skf18("7","9","9","10","8","7","1") = "9"
    & skf18("7","9","9","10","8","8","1") = "9"
    & skf18("7","9","9","10","8","9","1") = "9"
    & skf18("7","9","9","10","8","10","1") = "9"
    & skf18("7","9","9","10","9","1","1") = "9"
    & skf18("7","9","9","10","9","2","1") = "9"
    & skf18("7","9","9","10","9","3","1") = "9"
    & skf18("7","9","9","10","9","4","1") = "9"
    & skf18("7","9","9","10","9","5","1") = "9"
    & skf18("7","9","9","10","9","6","1") = "9"
    & skf18("7","9","9","10","9","7","1") = "9"
    & skf18("7","9","9","10","9","8","1") = "9"
    & skf18("7","9","9","10","9","9","1") = "9"
    & skf18("7","9","9","10","9","10","1") = "9"
    & skf18("7","9","9","10","10","1","1") = "9"
    & skf18("7","9","9","10","10","2","1") = "9"
    & skf18("7","9","9","10","10","3","1") = "9"
    & skf18("7","9","9","10","10","4","1") = "9"
    & skf18("7","9","9","10","10","5","1") = "9"
    & skf18("7","9","9","10","10","6","1") = "9"
    & skf18("7","9","9","10","10","7","1") = "9"
    & skf18("7","9","9","10","10","8","1") = "9"
    & skf18("7","9","9","10","10","9","1") = "9"
    & skf18("7","9","9","10","10","10","1") = "9"
    & skf18("7","9","10","1","1","1","1") = "9"
    & skf18("7","9","10","1","1","2","1") = "9"
    & skf18("7","9","10","1","1","3","1") = "9"
    & skf18("7","9","10","1","1","4","1") = "9"
    & skf18("7","9","10","1","1","5","1") = "9"
    & skf18("7","9","10","1","1","6","1") = "9"
    & skf18("7","9","10","1","1","7","1") = "9"
    & skf18("7","9","10","1","1","8","1") = "9"
    & skf18("7","9","10","1","1","9","1") = "9"
    & skf18("7","9","10","1","1","10","1") = "9"
    & skf18("7","9","10","1","2","1","1") = "9"
    & skf18("7","9","10","1","2","2","1") = "9"
    & skf18("7","9","10","1","2","3","1") = "9"
    & skf18("7","9","10","1","2","4","1") = "9"
    & skf18("7","9","10","1","2","5","1") = "9"
    & skf18("7","9","10","1","2","6","1") = "9"
    & skf18("7","9","10","1","2","7","1") = "9"
    & skf18("7","9","10","1","2","8","1") = "9"
    & skf18("7","9","10","1","2","9","1") = "9"
    & skf18("7","9","10","1","2","10","1") = "9"
    & skf18("7","9","10","1","3","1","1") = "9"
    & skf18("7","9","10","1","3","2","1") = "9"
    & skf18("7","9","10","1","3","3","1") = "9"
    & skf18("7","9","10","1","3","4","1") = "9"
    & skf18("7","9","10","1","3","5","1") = "9"
    & skf18("7","9","10","1","3","6","1") = "9"
    & skf18("7","9","10","1","3","7","1") = "9"
    & skf18("7","9","10","1","3","8","1") = "9"
    & skf18("7","9","10","1","3","9","1") = "9"
    & skf18("7","9","10","1","3","10","1") = "9"
    & skf18("7","9","10","1","4","1","1") = "9"
    & skf18("7","9","10","1","4","2","1") = "9"
    & skf18("7","9","10","1","4","3","1") = "9"
    & skf18("7","9","10","1","4","4","1") = "9"
    & skf18("7","9","10","1","4","5","1") = "9"
    & skf18("7","9","10","1","4","6","1") = "9"
    & skf18("7","9","10","1","4","7","1") = "9"
    & skf18("7","9","10","1","4","8","1") = "9"
    & skf18("7","9","10","1","4","9","1") = "9"
    & skf18("7","9","10","1","4","10","1") = "9"
    & skf18("7","9","10","1","5","1","1") = "9"
    & skf18("7","9","10","1","5","2","1") = "9"
    & skf18("7","9","10","1","5","3","1") = "9"
    & skf18("7","9","10","1","5","4","1") = "9"
    & skf18("7","9","10","1","5","5","1") = "9"
    & skf18("7","9","10","1","5","6","1") = "9"
    & skf18("7","9","10","1","5","7","1") = "9"
    & skf18("7","9","10","1","5","8","1") = "9"
    & skf18("7","9","10","1","5","9","1") = "9"
    & skf18("7","9","10","1","5","10","1") = "9"
    & skf18("7","9","10","1","6","1","1") = "9"
    & skf18("7","9","10","1","6","2","1") = "9"
    & skf18("7","9","10","1","6","3","1") = "9"
    & skf18("7","9","10","1","6","4","1") = "9"
    & skf18("7","9","10","1","6","5","1") = "9"
    & skf18("7","9","10","1","6","6","1") = "9"
    & skf18("7","9","10","1","6","7","1") = "9"
    & skf18("7","9","10","1","6","8","1") = "9"
    & skf18("7","9","10","1","6","9","1") = "9"
    & skf18("7","9","10","1","6","10","1") = "9"
    & skf18("7","9","10","1","7","1","1") = "9"
    & skf18("7","9","10","1","7","2","1") = "9"
    & skf18("7","9","10","1","7","3","1") = "9"
    & skf18("7","9","10","1","7","4","1") = "9"
    & skf18("7","9","10","1","7","5","1") = "9"
    & skf18("7","9","10","1","7","6","1") = "9"
    & skf18("7","9","10","1","7","7","1") = "9"
    & skf18("7","9","10","1","7","8","1") = "9"
    & skf18("7","9","10","1","7","9","1") = "9"
    & skf18("7","9","10","1","7","10","1") = "9"
    & skf18("7","9","10","1","8","1","1") = "9"
    & skf18("7","9","10","1","8","2","1") = "9"
    & skf18("7","9","10","1","8","3","1") = "9"
    & skf18("7","9","10","1","8","4","1") = "9"
    & skf18("7","9","10","1","8","5","1") = "9"
    & skf18("7","9","10","1","8","6","1") = "9"
    & skf18("7","9","10","1","8","7","1") = "9"
    & skf18("7","9","10","1","8","8","1") = "9"
    & skf18("7","9","10","1","8","9","1") = "9"
    & skf18("7","9","10","1","8","10","1") = "9"
    & skf18("7","9","10","1","9","1","1") = "9"
    & skf18("7","9","10","1","9","2","1") = "9"
    & skf18("7","9","10","1","9","3","1") = "9"
    & skf18("7","9","10","1","9","4","1") = "9"
    & skf18("7","9","10","1","9","5","1") = "9"
    & skf18("7","9","10","1","9","6","1") = "9"
    & skf18("7","9","10","1","9","7","1") = "9"
    & skf18("7","9","10","1","9","8","1") = "9"
    & skf18("7","9","10","1","9","9","1") = "9"
    & skf18("7","9","10","1","9","10","1") = "9"
    & skf18("7","9","10","1","10","1","1") = "9"
    & skf18("7","9","10","1","10","2","1") = "9"
    & skf18("7","9","10","1","10","3","1") = "9"
    & skf18("7","9","10","1","10","4","1") = "9"
    & skf18("7","9","10","1","10","5","1") = "9"
    & skf18("7","9","10","1","10","6","1") = "9"
    & skf18("7","9","10","1","10","7","1") = "9"
    & skf18("7","9","10","1","10","8","1") = "9"
    & skf18("7","9","10","1","10","9","1") = "9"
    & skf18("7","9","10","1","10","10","1") = "9"
    & skf18("7","9","10","2","1","1","1") = "9"
    & skf18("7","9","10","2","1","2","1") = "9"
    & skf18("7","9","10","2","1","3","1") = "9"
    & skf18("7","9","10","2","1","4","1") = "9"
    & skf18("7","9","10","2","1","5","1") = "9"
    & skf18("7","9","10","2","1","6","1") = "9"
    & skf18("7","9","10","2","1","7","1") = "9"
    & skf18("7","9","10","2","1","8","1") = "9"
    & skf18("7","9","10","2","1","9","1") = "9"
    & skf18("7","9","10","2","1","10","1") = "9"
    & skf18("7","9","10","2","2","1","1") = "9"
    & skf18("7","9","10","2","2","2","1") = "9"
    & skf18("7","9","10","2","2","3","1") = "9"
    & skf18("7","9","10","2","2","4","1") = "9"
    & skf18("7","9","10","2","2","5","1") = "9"
    & skf18("7","9","10","2","2","6","1") = "9"
    & skf18("7","9","10","2","2","7","1") = "9"
    & skf18("7","9","10","2","2","8","1") = "9"
    & skf18("7","9","10","2","2","9","1") = "9"
    & skf18("7","9","10","2","2","10","1") = "9"
    & skf18("7","9","10","2","3","1","1") = "9"
    & skf18("7","9","10","2","3","2","1") = "9"
    & skf18("7","9","10","2","3","3","1") = "9"
    & skf18("7","9","10","2","3","4","1") = "9"
    & skf18("7","9","10","2","3","5","1") = "9"
    & skf18("7","9","10","2","3","6","1") = "9"
    & skf18("7","9","10","2","3","7","1") = "9"
    & skf18("7","9","10","2","3","8","1") = "9"
    & skf18("7","9","10","2","3","9","1") = "9"
    & skf18("7","9","10","2","3","10","1") = "9"
    & skf18("7","9","10","2","4","1","1") = "9"
    & skf18("7","9","10","2","4","2","1") = "9"
    & skf18("7","9","10","2","4","3","1") = "9"
    & skf18("7","9","10","2","4","4","1") = "9"
    & skf18("7","9","10","2","4","5","1") = "9"
    & skf18("7","9","10","2","4","6","1") = "9"
    & skf18("7","9","10","2","4","7","1") = "9"
    & skf18("7","9","10","2","4","8","1") = "9"
    & skf18("7","9","10","2","4","9","1") = "9"
    & skf18("7","9","10","2","4","10","1") = "9"
    & skf18("7","9","10","2","5","1","1") = "9"
    & skf18("7","9","10","2","5","2","1") = "9"
    & skf18("7","9","10","2","5","3","1") = "9"
    & skf18("7","9","10","2","5","4","1") = "9"
    & skf18("7","9","10","2","5","5","1") = "9"
    & skf18("7","9","10","2","5","6","1") = "9"
    & skf18("7","9","10","2","5","7","1") = "9"
    & skf18("7","9","10","2","5","8","1") = "9"
    & skf18("7","9","10","2","5","9","1") = "9"
    & skf18("7","9","10","2","5","10","1") = "9"
    & skf18("7","9","10","2","6","1","1") = "9"
    & skf18("7","9","10","2","6","2","1") = "9"
    & skf18("7","9","10","2","6","3","1") = "9"
    & skf18("7","9","10","2","6","4","1") = "9"
    & skf18("7","9","10","2","6","5","1") = "9"
    & skf18("7","9","10","2","6","6","1") = "9"
    & skf18("7","9","10","2","6","7","1") = "9"
    & skf18("7","9","10","2","6","8","1") = "9"
    & skf18("7","9","10","2","6","9","1") = "9"
    & skf18("7","9","10","2","6","10","1") = "9"
    & skf18("7","9","10","2","7","1","1") = "9"
    & skf18("7","9","10","2","7","2","1") = "9"
    & skf18("7","9","10","2","7","3","1") = "9"
    & skf18("7","9","10","2","7","4","1") = "9"
    & skf18("7","9","10","2","7","5","1") = "9"
    & skf18("7","9","10","2","7","6","1") = "9"
    & skf18("7","9","10","2","7","7","1") = "9"
    & skf18("7","9","10","2","7","8","1") = "9"
    & skf18("7","9","10","2","7","9","1") = "9"
    & skf18("7","9","10","2","7","10","1") = "9"
    & skf18("7","9","10","2","8","1","1") = "9"
    & skf18("7","9","10","2","8","2","1") = "9"
    & skf18("7","9","10","2","8","3","1") = "9"
    & skf18("7","9","10","2","8","4","1") = "9"
    & skf18("7","9","10","2","8","5","1") = "9"
    & skf18("7","9","10","2","8","6","1") = "9"
    & skf18("7","9","10","2","8","7","1") = "9"
    & skf18("7","9","10","2","8","8","1") = "9"
    & skf18("7","9","10","2","8","9","1") = "9"
    & skf18("7","9","10","2","8","10","1") = "9"
    & skf18("7","9","10","2","9","1","1") = "9"
    & skf18("7","9","10","2","9","2","1") = "9"
    & skf18("7","9","10","2","9","3","1") = "9"
    & skf18("7","9","10","2","9","4","1") = "9"
    & skf18("7","9","10","2","9","5","1") = "9"
    & skf18("7","9","10","2","9","6","1") = "9"
    & skf18("7","9","10","2","9","7","1") = "9"
    & skf18("7","9","10","2","9","8","1") = "9"
    & skf18("7","9","10","2","9","9","1") = "9"
    & skf18("7","9","10","2","9","10","1") = "9"
    & skf18("7","9","10","2","10","1","1") = "9"
    & skf18("7","9","10","2","10","2","1") = "9"
    & skf18("7","9","10","2","10","3","1") = "9"
    & skf18("7","9","10","2","10","4","1") = "9"
    & skf18("7","9","10","2","10","5","1") = "9"
    & skf18("7","9","10","2","10","6","1") = "9"
    & skf18("7","9","10","2","10","7","1") = "9"
    & skf18("7","9","10","2","10","8","1") = "9"
    & skf18("7","9","10","2","10","9","1") = "9"
    & skf18("7","9","10","2","10","10","1") = "9"
    & skf18("7","9","10","3","1","1","1") = "9"
    & skf18("7","9","10","3","1","2","1") = "9"
    & skf18("7","9","10","3","1","3","1") = "9"
    & skf18("7","9","10","3","1","4","1") = "9"
    & skf18("7","9","10","3","1","5","1") = "9"
    & skf18("7","9","10","3","1","6","1") = "9"
    & skf18("7","9","10","3","1","7","1") = "9"
    & skf18("7","9","10","3","1","8","1") = "9"
    & skf18("7","9","10","3","1","9","1") = "9"
    & skf18("7","9","10","3","1","10","1") = "9"
    & skf18("7","9","10","3","2","1","1") = "9"
    & skf18("7","9","10","3","2","2","1") = "9"
    & skf18("7","9","10","3","2","3","1") = "9"
    & skf18("7","9","10","3","2","4","1") = "9"
    & skf18("7","9","10","3","2","5","1") = "9"
    & skf18("7","9","10","3","2","6","1") = "9"
    & skf18("7","9","10","3","2","7","1") = "9"
    & skf18("7","9","10","3","2","8","1") = "9"
    & skf18("7","9","10","3","2","9","1") = "9"
    & skf18("7","9","10","3","2","10","1") = "9"
    & skf18("7","9","10","3","3","1","1") = "9"
    & skf18("7","9","10","3","3","2","1") = "9"
    & skf18("7","9","10","3","3","3","1") = "9"
    & skf18("7","9","10","3","3","4","1") = "9"
    & skf18("7","9","10","3","3","5","1") = "9"
    & skf18("7","9","10","3","3","6","1") = "9"
    & skf18("7","9","10","3","3","7","1") = "9"
    & skf18("7","9","10","3","3","8","1") = "9"
    & skf18("7","9","10","3","3","9","1") = "9"
    & skf18("7","9","10","3","3","10","1") = "9"
    & skf18("7","9","10","3","4","1","1") = "9"
    & skf18("7","9","10","3","4","2","1") = "9"
    & skf18("7","9","10","3","4","3","1") = "9"
    & skf18("7","9","10","3","4","4","1") = "9"
    & skf18("7","9","10","3","4","5","1") = "9"
    & skf18("7","9","10","3","4","6","1") = "9"
    & skf18("7","9","10","3","4","7","1") = "9"
    & skf18("7","9","10","3","4","8","1") = "9"
    & skf18("7","9","10","3","4","9","1") = "9"
    & skf18("7","9","10","3","4","10","1") = "9"
    & skf18("7","9","10","3","5","1","1") = "9"
    & skf18("7","9","10","3","5","2","1") = "9"
    & skf18("7","9","10","3","5","3","1") = "9"
    & skf18("7","9","10","3","5","4","1") = "9"
    & skf18("7","9","10","3","5","5","1") = "9"
    & skf18("7","9","10","3","5","6","1") = "9"
    & skf18("7","9","10","3","5","7","1") = "9"
    & skf18("7","9","10","3","5","8","1") = "9"
    & skf18("7","9","10","3","5","9","1") = "9"
    & skf18("7","9","10","3","5","10","1") = "9"
    & skf18("7","9","10","3","6","1","1") = "9"
    & skf18("7","9","10","3","6","2","1") = "9"
    & skf18("7","9","10","3","6","3","1") = "9"
    & skf18("7","9","10","3","6","4","1") = "9"
    & skf18("7","9","10","3","6","5","1") = "9"
    & skf18("7","9","10","3","6","6","1") = "9"
    & skf18("7","9","10","3","6","7","1") = "9"
    & skf18("7","9","10","3","6","8","1") = "9"
    & skf18("7","9","10","3","6","9","1") = "9"
    & skf18("7","9","10","3","6","10","1") = "9"
    & skf18("7","9","10","3","7","1","1") = "9"
    & skf18("7","9","10","3","7","2","1") = "9"
    & skf18("7","9","10","3","7","3","1") = "9"
    & skf18("7","9","10","3","7","4","1") = "9"
    & skf18("7","9","10","3","7","5","1") = "9"
    & skf18("7","9","10","3","7","6","1") = "9"
    & skf18("7","9","10","3","7","7","1") = "9"
    & skf18("7","9","10","3","7","8","1") = "9"
    & skf18("7","9","10","3","7","9","1") = "9"
    & skf18("7","9","10","3","7","10","1") = "9"
    & skf18("7","9","10","3","8","1","1") = "9"
    & skf18("7","9","10","3","8","2","1") = "9"
    & skf18("7","9","10","3","8","3","1") = "9"
    & skf18("7","9","10","3","8","4","1") = "9"
    & skf18("7","9","10","3","8","5","1") = "9"
    & skf18("7","9","10","3","8","6","1") = "9"
    & skf18("7","9","10","3","8","7","1") = "9"
    & skf18("7","9","10","3","8","8","1") = "9"
    & skf18("7","9","10","3","8","9","1") = "9"
    & skf18("7","9","10","3","8","10","1") = "9"
    & skf18("7","9","10","3","9","1","1") = "9"
    & skf18("7","9","10","3","9","2","1") = "9"
    & skf18("7","9","10","3","9","3","1") = "9"
    & skf18("7","9","10","3","9","4","1") = "9"
    & skf18("7","9","10","3","9","5","1") = "9"
    & skf18("7","9","10","3","9","6","1") = "9"
    & skf18("7","9","10","3","9","7","1") = "9"
    & skf18("7","9","10","3","9","8","1") = "9"
    & skf18("7","9","10","3","9","9","1") = "9"
    & skf18("7","9","10","3","9","10","1") = "9"
    & skf18("7","9","10","3","10","1","1") = "9"
    & skf18("7","9","10","3","10","2","1") = "9"
    & skf18("7","9","10","3","10","3","1") = "9"
    & skf18("7","9","10","3","10","4","1") = "9"
    & skf18("7","9","10","3","10","5","1") = "9"
    & skf18("7","9","10","3","10","6","1") = "9"
    & skf18("7","9","10","3","10","7","1") = "9"
    & skf18("7","9","10","3","10","8","1") = "9"
    & skf18("7","9","10","3","10","9","1") = "9"
    & skf18("7","9","10","3","10","10","1") = "9"
    & skf18("7","9","10","4","1","1","1") = "9"
    & skf18("7","9","10","4","1","2","1") = "9"
    & skf18("7","9","10","4","1","3","1") = "9"
    & skf18("7","9","10","4","1","4","1") = "9"
    & skf18("7","9","10","4","1","5","1") = "9"
    & skf18("7","9","10","4","1","6","1") = "9"
    & skf18("7","9","10","4","1","7","1") = "9"
    & skf18("7","9","10","4","1","8","1") = "9"
    & skf18("7","9","10","4","1","9","1") = "9"
    & skf18("7","9","10","4","1","10","1") = "9"
    & skf18("7","9","10","4","2","1","1") = "9"
    & skf18("7","9","10","4","2","2","1") = "9"
    & skf18("7","9","10","4","2","3","1") = "9"
    & skf18("7","9","10","4","2","4","1") = "9"
    & skf18("7","9","10","4","2","5","1") = "9"
    & skf18("7","9","10","4","2","6","1") = "9"
    & skf18("7","9","10","4","2","7","1") = "9"
    & skf18("7","9","10","4","2","8","1") = "9"
    & skf18("7","9","10","4","2","9","1") = "9"
    & skf18("7","9","10","4","2","10","1") = "9"
    & skf18("7","9","10","4","3","1","1") = "9"
    & skf18("7","9","10","4","3","2","1") = "9"
    & skf18("7","9","10","4","3","3","1") = "9"
    & skf18("7","9","10","4","3","4","1") = "9"
    & skf18("7","9","10","4","3","5","1") = "9"
    & skf18("7","9","10","4","3","6","1") = "9"
    & skf18("7","9","10","4","3","7","1") = "9"
    & skf18("7","9","10","4","3","8","1") = "9"
    & skf18("7","9","10","4","3","9","1") = "9"
    & skf18("7","9","10","4","3","10","1") = "9"
    & skf18("7","9","10","4","4","1","1") = "9"
    & skf18("7","9","10","4","4","2","1") = "9"
    & skf18("7","9","10","4","4","3","1") = "9"
    & skf18("7","9","10","4","4","4","1") = "9"
    & skf18("7","9","10","4","4","5","1") = "9"
    & skf18("7","9","10","4","4","6","1") = "9"
    & skf18("7","9","10","4","4","7","1") = "9"
    & skf18("7","9","10","4","4","8","1") = "9"
    & skf18("7","9","10","4","4","9","1") = "9"
    & skf18("7","9","10","4","4","10","1") = "9"
    & skf18("7","9","10","4","5","1","1") = "9"
    & skf18("7","9","10","4","5","2","1") = "9"
    & skf18("7","9","10","4","5","3","1") = "9"
    & skf18("7","9","10","4","5","4","1") = "9"
    & skf18("7","9","10","4","5","5","1") = "9"
    & skf18("7","9","10","4","5","6","1") = "9"
    & skf18("7","9","10","4","5","7","1") = "9"
    & skf18("7","9","10","4","5","8","1") = "9"
    & skf18("7","9","10","4","5","9","1") = "9"
    & skf18("7","9","10","4","5","10","1") = "9"
    & skf18("7","9","10","4","6","1","1") = "9"
    & skf18("7","9","10","4","6","2","1") = "9"
    & skf18("7","9","10","4","6","3","1") = "9"
    & skf18("7","9","10","4","6","4","1") = "9"
    & skf18("7","9","10","4","6","5","1") = "9"
    & skf18("7","9","10","4","6","6","1") = "9"
    & skf18("7","9","10","4","6","7","1") = "9"
    & skf18("7","9","10","4","6","8","1") = "9"
    & skf18("7","9","10","4","6","9","1") = "9"
    & skf18("7","9","10","4","6","10","1") = "9"
    & skf18("7","9","10","4","7","1","1") = "9"
    & skf18("7","9","10","4","7","2","1") = "9"
    & skf18("7","9","10","4","7","3","1") = "9"
    & skf18("7","9","10","4","7","4","1") = "9"
    & skf18("7","9","10","4","7","5","1") = "9"
    & skf18("7","9","10","4","7","6","1") = "9"
    & skf18("7","9","10","4","7","7","1") = "9"
    & skf18("7","9","10","4","7","8","1") = "9"
    & skf18("7","9","10","4","7","9","1") = "9"
    & skf18("7","9","10","4","7","10","1") = "9"
    & skf18("7","9","10","4","8","1","1") = "9"
    & skf18("7","9","10","4","8","2","1") = "9"
    & skf18("7","9","10","4","8","3","1") = "9"
    & skf18("7","9","10","4","8","4","1") = "9"
    & skf18("7","9","10","4","8","5","1") = "9"
    & skf18("7","9","10","4","8","6","1") = "9"
    & skf18("7","9","10","4","8","7","1") = "9"
    & skf18("7","9","10","4","8","8","1") = "9"
    & skf18("7","9","10","4","8","9","1") = "9"
    & skf18("7","9","10","4","8","10","1") = "9"
    & skf18("7","9","10","4","9","1","1") = "9"
    & skf18("7","9","10","4","9","2","1") = "9"
    & skf18("7","9","10","4","9","3","1") = "9"
    & skf18("7","9","10","4","9","4","1") = "9"
    & skf18("7","9","10","4","9","5","1") = "9"
    & skf18("7","9","10","4","9","6","1") = "9"
    & skf18("7","9","10","4","9","7","1") = "9"
    & skf18("7","9","10","4","9","8","1") = "9"
    & skf18("7","9","10","4","9","9","1") = "9"
    & skf18("7","9","10","4","9","10","1") = "9"
    & skf18("7","9","10","4","10","1","1") = "9"
    & skf18("7","9","10","4","10","2","1") = "9"
    & skf18("7","9","10","4","10","3","1") = "9"
    & skf18("7","9","10","4","10","4","1") = "9"
    & skf18("7","9","10","4","10","5","1") = "9"
    & skf18("7","9","10","4","10","6","1") = "9"
    & skf18("7","9","10","4","10","7","1") = "9"
    & skf18("7","9","10","4","10","8","1") = "9"
    & skf18("7","9","10","4","10","9","1") = "9"
    & skf18("7","9","10","4","10","10","1") = "9"
    & skf18("7","9","10","5","1","1","1") = "9"
    & skf18("7","9","10","5","1","2","1") = "9"
    & skf18("7","9","10","5","1","3","1") = "9"
    & skf18("7","9","10","5","1","4","1") = "9"
    & skf18("7","9","10","5","1","5","1") = "9"
    & skf18("7","9","10","5","1","6","1") = "9"
    & skf18("7","9","10","5","1","7","1") = "9"
    & skf18("7","9","10","5","1","8","1") = "9"
    & skf18("7","9","10","5","1","9","1") = "9"
    & skf18("7","9","10","5","1","10","1") = "9"
    & skf18("7","9","10","5","2","1","1") = "9"
    & skf18("7","9","10","5","2","2","1") = "9"
    & skf18("7","9","10","5","2","3","1") = "9"
    & skf18("7","9","10","5","2","4","1") = "9"
    & skf18("7","9","10","5","2","5","1") = "9"
    & skf18("7","9","10","5","2","6","1") = "9"
    & skf18("7","9","10","5","2","7","1") = "9"
    & skf18("7","9","10","5","2","8","1") = "9"
    & skf18("7","9","10","5","2","9","1") = "9"
    & skf18("7","9","10","5","2","10","1") = "9"
    & skf18("7","9","10","5","3","1","1") = "9"
    & skf18("7","9","10","5","3","2","1") = "9"
    & skf18("7","9","10","5","3","3","1") = "9"
    & skf18("7","9","10","5","3","4","1") = "9"
    & skf18("7","9","10","5","3","5","1") = "9"
    & skf18("7","9","10","5","3","6","1") = "9"
    & skf18("7","9","10","5","3","7","1") = "9"
    & skf18("7","9","10","5","3","8","1") = "9"
    & skf18("7","9","10","5","3","9","1") = "9"
    & skf18("7","9","10","5","3","10","1") = "9"
    & skf18("7","9","10","5","4","1","1") = "9"
    & skf18("7","9","10","5","4","2","1") = "9"
    & skf18("7","9","10","5","4","3","1") = "9"
    & skf18("7","9","10","5","4","4","1") = "9"
    & skf18("7","9","10","5","4","5","1") = "9"
    & skf18("7","9","10","5","4","6","1") = "9"
    & skf18("7","9","10","5","4","7","1") = "9"
    & skf18("7","9","10","5","4","8","1") = "9"
    & skf18("7","9","10","5","4","9","1") = "9"
    & skf18("7","9","10","5","4","10","1") = "9"
    & skf18("7","9","10","5","5","1","1") = "9"
    & skf18("7","9","10","5","5","2","1") = "9"
    & skf18("7","9","10","5","5","3","1") = "9"
    & skf18("7","9","10","5","5","4","1") = "9"
    & skf18("7","9","10","5","5","5","1") = "9"
    & skf18("7","9","10","5","5","6","1") = "9"
    & skf18("7","9","10","5","5","7","1") = "9"
    & skf18("7","9","10","5","5","8","1") = "9"
    & skf18("7","9","10","5","5","9","1") = "9"
    & skf18("7","9","10","5","5","10","1") = "9"
    & skf18("7","9","10","5","6","1","1") = "9"
    & skf18("7","9","10","5","6","2","1") = "9"
    & skf18("7","9","10","5","6","3","1") = "9"
    & skf18("7","9","10","5","6","4","1") = "9"
    & skf18("7","9","10","5","6","5","1") = "9"
    & skf18("7","9","10","5","6","6","1") = "9"
    & skf18("7","9","10","5","6","7","1") = "9"
    & skf18("7","9","10","5","6","8","1") = "9"
    & skf18("7","9","10","5","6","9","1") = "9"
    & skf18("7","9","10","5","6","10","1") = "9"
    & skf18("7","9","10","5","7","1","1") = "9"
    & skf18("7","9","10","5","7","2","1") = "9"
    & skf18("7","9","10","5","7","3","1") = "9"
    & skf18("7","9","10","5","7","4","1") = "9"
    & skf18("7","9","10","5","7","5","1") = "9"
    & skf18("7","9","10","5","7","6","1") = "9"
    & skf18("7","9","10","5","7","7","1") = "9"
    & skf18("7","9","10","5","7","8","1") = "9"
    & skf18("7","9","10","5","7","9","1") = "9"
    & skf18("7","9","10","5","7","10","1") = "9"
    & skf18("7","9","10","5","8","1","1") = "9"
    & skf18("7","9","10","5","8","2","1") = "9"
    & skf18("7","9","10","5","8","3","1") = "9"
    & skf18("7","9","10","5","8","4","1") = "9"
    & skf18("7","9","10","5","8","5","1") = "9"
    & skf18("7","9","10","5","8","6","1") = "9"
    & skf18("7","9","10","5","8","7","1") = "9"
    & skf18("7","9","10","5","8","8","1") = "9"
    & skf18("7","9","10","5","8","9","1") = "9"
    & skf18("7","9","10","5","8","10","1") = "9"
    & skf18("7","9","10","5","9","1","1") = "9"
    & skf18("7","9","10","5","9","2","1") = "9"
    & skf18("7","9","10","5","9","3","1") = "9"
    & skf18("7","9","10","5","9","4","1") = "9"
    & skf18("7","9","10","5","9","5","1") = "9"
    & skf18("7","9","10","5","9","6","1") = "9"
    & skf18("7","9","10","5","9","7","1") = "9"
    & skf18("7","9","10","5","9","8","1") = "9"
    & skf18("7","9","10","5","9","9","1") = "9"
    & skf18("7","9","10","5","9","10","1") = "9"
    & skf18("7","9","10","5","10","1","1") = "9"
    & skf18("7","9","10","5","10","2","1") = "9"
    & skf18("7","9","10","5","10","3","1") = "9"
    & skf18("7","9","10","5","10","4","1") = "9"
    & skf18("7","9","10","5","10","5","1") = "9"
    & skf18("7","9","10","5","10","6","1") = "9"
    & skf18("7","9","10","5","10","7","1") = "9"
    & skf18("7","9","10","5","10","8","1") = "9"
    & skf18("7","9","10","5","10","9","1") = "9"
    & skf18("7","9","10","5","10","10","1") = "9"
    & skf18("7","9","10","6","1","1","1") = "9"
    & skf18("7","9","10","6","1","2","1") = "9"
    & skf18("7","9","10","6","1","3","1") = "9"
    & skf18("7","9","10","6","1","4","1") = "9"
    & skf18("7","9","10","6","1","5","1") = "9"
    & skf18("7","9","10","6","1","6","1") = "9"
    & skf18("7","9","10","6","1","7","1") = "9"
    & skf18("7","9","10","6","1","8","1") = "9"
    & skf18("7","9","10","6","1","9","1") = "9"
    & skf18("7","9","10","6","1","10","1") = "9"
    & skf18("7","9","10","6","2","1","1") = "9"
    & skf18("7","9","10","6","2","2","1") = "9"
    & skf18("7","9","10","6","2","3","1") = "9"
    & skf18("7","9","10","6","2","4","1") = "9"
    & skf18("7","9","10","6","2","5","1") = "9"
    & skf18("7","9","10","6","2","6","1") = "9"
    & skf18("7","9","10","6","2","7","1") = "9"
    & skf18("7","9","10","6","2","8","1") = "9"
    & skf18("7","9","10","6","2","9","1") = "9"
    & skf18("7","9","10","6","2","10","1") = "9"
    & skf18("7","9","10","6","3","1","1") = "9"
    & skf18("7","9","10","6","3","2","1") = "9"
    & skf18("7","9","10","6","3","3","1") = "9"
    & skf18("7","9","10","6","3","4","1") = "9"
    & skf18("7","9","10","6","3","5","1") = "9"
    & skf18("7","9","10","6","3","6","1") = "9"
    & skf18("7","9","10","6","3","7","1") = "9"
    & skf18("7","9","10","6","3","8","1") = "9"
    & skf18("7","9","10","6","3","9","1") = "9"
    & skf18("7","9","10","6","3","10","1") = "9"
    & skf18("7","9","10","6","4","1","1") = "9"
    & skf18("7","9","10","6","4","2","1") = "9"
    & skf18("7","9","10","6","4","3","1") = "9"
    & skf18("7","9","10","6","4","4","1") = "9"
    & skf18("7","9","10","6","4","5","1") = "9"
    & skf18("7","9","10","6","4","6","1") = "9"
    & skf18("7","9","10","6","4","7","1") = "9"
    & skf18("7","9","10","6","4","8","1") = "9"
    & skf18("7","9","10","6","4","9","1") = "9"
    & skf18("7","9","10","6","4","10","1") = "9"
    & skf18("7","9","10","6","5","1","1") = "9"
    & skf18("7","9","10","6","5","2","1") = "9"
    & skf18("7","9","10","6","5","3","1") = "9"
    & skf18("7","9","10","6","5","4","1") = "9"
    & skf18("7","9","10","6","5","5","1") = "9"
    & skf18("7","9","10","6","5","6","1") = "9"
    & skf18("7","9","10","6","5","7","1") = "9"
    & skf18("7","9","10","6","5","8","1") = "9"
    & skf18("7","9","10","6","5","9","1") = "9"
    & skf18("7","9","10","6","5","10","1") = "9"
    & skf18("7","9","10","6","6","1","1") = "9"
    & skf18("7","9","10","6","6","2","1") = "9"
    & skf18("7","9","10","6","6","3","1") = "9"
    & skf18("7","9","10","6","6","4","1") = "9"
    & skf18("7","9","10","6","6","5","1") = "9"
    & skf18("7","9","10","6","6","6","1") = "9"
    & skf18("7","9","10","6","6","7","1") = "9"
    & skf18("7","9","10","6","6","8","1") = "9"
    & skf18("7","9","10","6","6","9","1") = "9"
    & skf18("7","9","10","6","6","10","1") = "9"
    & skf18("7","9","10","6","7","1","1") = "9"
    & skf18("7","9","10","6","7","2","1") = "9"
    & skf18("7","9","10","6","7","3","1") = "9"
    & skf18("7","9","10","6","7","4","1") = "9"
    & skf18("7","9","10","6","7","5","1") = "9"
    & skf18("7","9","10","6","7","6","1") = "9"
    & skf18("7","9","10","6","7","7","1") = "9"
    & skf18("7","9","10","6","7","8","1") = "9"
    & skf18("7","9","10","6","7","9","1") = "9"
    & skf18("7","9","10","6","7","10","1") = "9"
    & skf18("7","9","10","6","8","1","1") = "9"
    & skf18("7","9","10","6","8","2","1") = "9"
    & skf18("7","9","10","6","8","3","1") = "9"
    & skf18("7","9","10","6","8","4","1") = "9"
    & skf18("7","9","10","6","8","5","1") = "9"
    & skf18("7","9","10","6","8","6","1") = "9"
    & skf18("7","9","10","6","8","7","1") = "9"
    & skf18("7","9","10","6","8","8","1") = "9"
    & skf18("7","9","10","6","8","9","1") = "9"
    & skf18("7","9","10","6","8","10","1") = "9"
    & skf18("7","9","10","6","9","1","1") = "9"
    & skf18("7","9","10","6","9","2","1") = "9"
    & skf18("7","9","10","6","9","3","1") = "9"
    & skf18("7","9","10","6","9","4","1") = "9"
    & skf18("7","9","10","6","9","5","1") = "9"
    & skf18("7","9","10","6","9","6","1") = "9"
    & skf18("7","9","10","6","9","7","1") = "9"
    & skf18("7","9","10","6","9","8","1") = "9"
    & skf18("7","9","10","6","9","9","1") = "9"
    & skf18("7","9","10","6","9","10","1") = "9"
    & skf18("7","9","10","6","10","1","1") = "9"
    & skf18("7","9","10","6","10","2","1") = "9"
    & skf18("7","9","10","6","10","3","1") = "9"
    & skf18("7","9","10","6","10","4","1") = "9"
    & skf18("7","9","10","6","10","5","1") = "9"
    & skf18("7","9","10","6","10","6","1") = "9"
    & skf18("7","9","10","6","10","7","1") = "9"
    & skf18("7","9","10","6","10","8","1") = "9"
    & skf18("7","9","10","6","10","9","1") = "9"
    & skf18("7","9","10","6","10","10","1") = "9"
    & skf18("7","9","10","7","1","1","1") = "9"
    & skf18("7","9","10","7","1","2","1") = "9"
    & skf18("7","9","10","7","1","3","1") = "9"
    & skf18("7","9","10","7","1","4","1") = "9"
    & skf18("7","9","10","7","1","5","1") = "9"
    & skf18("7","9","10","7","1","6","1") = "9"
    & skf18("7","9","10","7","1","7","1") = "9"
    & skf18("7","9","10","7","1","8","1") = "9"
    & skf18("7","9","10","7","1","9","1") = "9"
    & skf18("7","9","10","7","1","10","1") = "9"
    & skf18("7","9","10","7","2","1","1") = "9"
    & skf18("7","9","10","7","2","2","1") = "9"
    & skf18("7","9","10","7","2","3","1") = "9"
    & skf18("7","9","10","7","2","4","1") = "9"
    & skf18("7","9","10","7","2","5","1") = "9"
    & skf18("7","9","10","7","2","6","1") = "9"
    & skf18("7","9","10","7","2","7","1") = "9"
    & skf18("7","9","10","7","2","8","1") = "9"
    & skf18("7","9","10","7","2","9","1") = "9"
    & skf18("7","9","10","7","2","10","1") = "9"
    & skf18("7","9","10","7","3","1","1") = "9"
    & skf18("7","9","10","7","3","2","1") = "9"
    & skf18("7","9","10","7","3","3","1") = "9"
    & skf18("7","9","10","7","3","4","1") = "9"
    & skf18("7","9","10","7","3","5","1") = "9"
    & skf18("7","9","10","7","3","6","1") = "9"
    & skf18("7","9","10","7","3","7","1") = "9"
    & skf18("7","9","10","7","3","8","1") = "9"
    & skf18("7","9","10","7","3","9","1") = "9"
    & skf18("7","9","10","7","3","10","1") = "9"
    & skf18("7","9","10","7","4","1","1") = "9"
    & skf18("7","9","10","7","4","2","1") = "9"
    & skf18("7","9","10","7","4","3","1") = "9"
    & skf18("7","9","10","7","4","4","1") = "9"
    & skf18("7","9","10","7","4","5","1") = "9"
    & skf18("7","9","10","7","4","6","1") = "9"
    & skf18("7","9","10","7","4","7","1") = "9"
    & skf18("7","9","10","7","4","8","1") = "9"
    & skf18("7","9","10","7","4","9","1") = "9"
    & skf18("7","9","10","7","4","10","1") = "9"
    & skf18("7","9","10","7","5","1","1") = "9"
    & skf18("7","9","10","7","5","2","1") = "9"
    & skf18("7","9","10","7","5","3","1") = "9"
    & skf18("7","9","10","7","5","4","1") = "9"
    & skf18("7","9","10","7","5","5","1") = "9"
    & skf18("7","9","10","7","5","6","1") = "9"
    & skf18("7","9","10","7","5","7","1") = "9"
    & skf18("7","9","10","7","5","8","1") = "9"
    & skf18("7","9","10","7","5","9","1") = "9"
    & skf18("7","9","10","7","5","10","1") = "9"
    & skf18("7","9","10","7","6","1","1") = "9"
    & skf18("7","9","10","7","6","2","1") = "9"
    & skf18("7","9","10","7","6","3","1") = "9"
    & skf18("7","9","10","7","6","4","1") = "9"
    & skf18("7","9","10","7","6","5","1") = "9"
    & skf18("7","9","10","7","6","6","1") = "9"
    & skf18("7","9","10","7","6","7","1") = "9"
    & skf18("7","9","10","7","6","8","1") = "9"
    & skf18("7","9","10","7","6","9","1") = "9"
    & skf18("7","9","10","7","6","10","1") = "9"
    & skf18("7","9","10","7","7","1","1") = "9"
    & skf18("7","9","10","7","7","2","1") = "9"
    & skf18("7","9","10","7","7","3","1") = "9"
    & skf18("7","9","10","7","7","4","1") = "9"
    & skf18("7","9","10","7","7","5","1") = "9"
    & skf18("7","9","10","7","7","6","1") = "9"
    & skf18("7","9","10","7","7","7","1") = "9"
    & skf18("7","9","10","7","7","8","1") = "9"
    & skf18("7","9","10","7","7","9","1") = "9"
    & skf18("7","9","10","7","7","10","1") = "9"
    & skf18("7","9","10","7","8","1","1") = "9"
    & skf18("7","9","10","7","8","2","1") = "9"
    & skf18("7","9","10","7","8","3","1") = "9"
    & skf18("7","9","10","7","8","4","1") = "9"
    & skf18("7","9","10","7","8","5","1") = "9"
    & skf18("7","9","10","7","8","6","1") = "9"
    & skf18("7","9","10","7","8","7","1") = "9"
    & skf18("7","9","10","7","8","8","1") = "9"
    & skf18("7","9","10","7","8","9","1") = "9"
    & skf18("7","9","10","7","8","10","1") = "9"
    & skf18("7","9","10","7","9","1","1") = "9"
    & skf18("7","9","10","7","9","2","1") = "9"
    & skf18("7","9","10","7","9","3","1") = "9"
    & skf18("7","9","10","7","9","4","1") = "9"
    & skf18("7","9","10","7","9","5","1") = "9"
    & skf18("7","9","10","7","9","6","1") = "9"
    & skf18("7","9","10","7","9","7","1") = "9"
    & skf18("7","9","10","7","9","8","1") = "9"
    & skf18("7","9","10","7","9","9","1") = "9"
    & skf18("7","9","10","7","9","10","1") = "9"
    & skf18("7","9","10","7","10","1","1") = "9"
    & skf18("7","9","10","7","10","2","1") = "9"
    & skf18("7","9","10","7","10","3","1") = "9"
    & skf18("7","9","10","7","10","4","1") = "9"
    & skf18("7","9","10","7","10","5","1") = "9"
    & skf18("7","9","10","7","10","6","1") = "9"
    & skf18("7","9","10","7","10","7","1") = "9"
    & skf18("7","9","10","7","10","8","1") = "9"
    & skf18("7","9","10","7","10","9","1") = "9"
    & skf18("7","9","10","7","10","10","1") = "9"
    & skf18("7","9","10","8","1","1","1") = "9"
    & skf18("7","9","10","8","1","2","1") = "9"
    & skf18("7","9","10","8","1","3","1") = "9"
    & skf18("7","9","10","8","1","4","1") = "9"
    & skf18("7","9","10","8","1","5","1") = "9"
    & skf18("7","9","10","8","1","6","1") = "9"
    & skf18("7","9","10","8","1","7","1") = "9"
    & skf18("7","9","10","8","1","8","1") = "9"
    & skf18("7","9","10","8","1","9","1") = "9"
    & skf18("7","9","10","8","1","10","1") = "9"
    & skf18("7","9","10","8","2","1","1") = "9"
    & skf18("7","9","10","8","2","2","1") = "9"
    & skf18("7","9","10","8","2","3","1") = "9"
    & skf18("7","9","10","8","2","4","1") = "9"
    & skf18("7","9","10","8","2","5","1") = "9"
    & skf18("7","9","10","8","2","6","1") = "9"
    & skf18("7","9","10","8","2","7","1") = "9"
    & skf18("7","9","10","8","2","8","1") = "9"
    & skf18("7","9","10","8","2","9","1") = "9"
    & skf18("7","9","10","8","2","10","1") = "9"
    & skf18("7","9","10","8","3","1","1") = "9"
    & skf18("7","9","10","8","3","2","1") = "9"
    & skf18("7","9","10","8","3","3","1") = "9"
    & skf18("7","9","10","8","3","4","1") = "9"
    & skf18("7","9","10","8","3","5","1") = "9"
    & skf18("7","9","10","8","3","6","1") = "9"
    & skf18("7","9","10","8","3","7","1") = "9"
    & skf18("7","9","10","8","3","8","1") = "9"
    & skf18("7","9","10","8","3","9","1") = "9"
    & skf18("7","9","10","8","3","10","1") = "9"
    & skf18("7","9","10","8","4","1","1") = "9"
    & skf18("7","9","10","8","4","2","1") = "9"
    & skf18("7","9","10","8","4","3","1") = "9"
    & skf18("7","9","10","8","4","4","1") = "9"
    & skf18("7","9","10","8","4","5","1") = "9"
    & skf18("7","9","10","8","4","6","1") = "9"
    & skf18("7","9","10","8","4","7","1") = "9"
    & skf18("7","9","10","8","4","8","1") = "9"
    & skf18("7","9","10","8","4","9","1") = "9"
    & skf18("7","9","10","8","4","10","1") = "9"
    & skf18("7","9","10","8","5","1","1") = "9"
    & skf18("7","9","10","8","5","2","1") = "9"
    & skf18("7","9","10","8","5","3","1") = "9"
    & skf18("7","9","10","8","5","4","1") = "9"
    & skf18("7","9","10","8","5","5","1") = "9"
    & skf18("7","9","10","8","5","6","1") = "9"
    & skf18("7","9","10","8","5","7","1") = "9"
    & skf18("7","9","10","8","5","8","1") = "9"
    & skf18("7","9","10","8","5","9","1") = "9"
    & skf18("7","9","10","8","5","10","1") = "9"
    & skf18("7","9","10","8","6","1","1") = "9"
    & skf18("7","9","10","8","6","2","1") = "9"
    & skf18("7","9","10","8","6","3","1") = "9"
    & skf18("7","9","10","8","6","4","1") = "9"
    & skf18("7","9","10","8","6","5","1") = "9"
    & skf18("7","9","10","8","6","6","1") = "9"
    & skf18("7","9","10","8","6","7","1") = "9"
    & skf18("7","9","10","8","6","8","1") = "9"
    & skf18("7","9","10","8","6","9","1") = "9"
    & skf18("7","9","10","8","6","10","1") = "9"
    & skf18("7","9","10","8","7","1","1") = "9"
    & skf18("7","9","10","8","7","2","1") = "9"
    & skf18("7","9","10","8","7","3","1") = "9"
    & skf18("7","9","10","8","7","4","1") = "9"
    & skf18("7","9","10","8","7","5","1") = "9"
    & skf18("7","9","10","8","7","6","1") = "9"
    & skf18("7","9","10","8","7","7","1") = "9"
    & skf18("7","9","10","8","7","8","1") = "9"
    & skf18("7","9","10","8","7","9","1") = "9"
    & skf18("7","9","10","8","7","10","1") = "9"
    & skf18("7","9","10","8","8","1","1") = "9"
    & skf18("7","9","10","8","8","2","1") = "9"
    & skf18("7","9","10","8","8","3","1") = "9"
    & skf18("7","9","10","8","8","4","1") = "9"
    & skf18("7","9","10","8","8","5","1") = "9"
    & skf18("7","9","10","8","8","6","1") = "9"
    & skf18("7","9","10","8","8","7","1") = "9"
    & skf18("7","9","10","8","8","8","1") = "9"
    & skf18("7","9","10","8","8","9","1") = "9"
    & skf18("7","9","10","8","8","10","1") = "9"
    & skf18("7","9","10","8","9","1","1") = "9"
    & skf18("7","9","10","8","9","2","1") = "9"
    & skf18("7","9","10","8","9","3","1") = "9"
    & skf18("7","9","10","8","9","4","1") = "9"
    & skf18("7","9","10","8","9","5","1") = "9"
    & skf18("7","9","10","8","9","6","1") = "9"
    & skf18("7","9","10","8","9","7","1") = "9"
    & skf18("7","9","10","8","9","8","1") = "9"
    & skf18("7","9","10","8","9","9","1") = "9"
    & skf18("7","9","10","8","9","10","1") = "9"
    & skf18("7","9","10","8","10","1","1") = "9"
    & skf18("7","9","10","8","10","2","1") = "9"
    & skf18("7","9","10","8","10","3","1") = "9"
    & skf18("7","9","10","8","10","4","1") = "9"
    & skf18("7","9","10","8","10","5","1") = "9"
    & skf18("7","9","10","8","10","6","1") = "9"
    & skf18("7","9","10","8","10","7","1") = "9"
    & skf18("7","9","10","8","10","8","1") = "9"
    & skf18("7","9","10","8","10","9","1") = "9"
    & skf18("7","9","10","8","10","10","1") = "9"
    & skf18("7","9","10","9","1","1","1") = "9"
    & skf18("7","9","10","9","1","2","1") = "9"
    & skf18("7","9","10","9","1","3","1") = "9"
    & skf18("7","9","10","9","1","4","1") = "9"
    & skf18("7","9","10","9","1","5","1") = "9"
    & skf18("7","9","10","9","1","6","1") = "9"
    & skf18("7","9","10","9","1","7","1") = "9"
    & skf18("7","9","10","9","1","8","1") = "9"
    & skf18("7","9","10","9","1","9","1") = "9"
    & skf18("7","9","10","9","1","10","1") = "9"
    & skf18("7","9","10","9","2","1","1") = "9"
    & skf18("7","9","10","9","2","2","1") = "9"
    & skf18("7","9","10","9","2","3","1") = "9"
    & skf18("7","9","10","9","2","4","1") = "9"
    & skf18("7","9","10","9","2","5","1") = "9"
    & skf18("7","9","10","9","2","6","1") = "9"
    & skf18("7","9","10","9","2","7","1") = "9"
    & skf18("7","9","10","9","2","8","1") = "9"
    & skf18("7","9","10","9","2","9","1") = "9"
    & skf18("7","9","10","9","2","10","1") = "9"
    & skf18("7","9","10","9","3","1","1") = "9"
    & skf18("7","9","10","9","3","2","1") = "9"
    & skf18("7","9","10","9","3","3","1") = "9"
    & skf18("7","9","10","9","3","4","1") = "9"
    & skf18("7","9","10","9","3","5","1") = "9"
    & skf18("7","9","10","9","3","6","1") = "9"
    & skf18("7","9","10","9","3","7","1") = "9"
    & skf18("7","9","10","9","3","8","1") = "9"
    & skf18("7","9","10","9","3","9","1") = "9"
    & skf18("7","9","10","9","3","10","1") = "9"
    & skf18("7","9","10","9","4","1","1") = "9"
    & skf18("7","9","10","9","4","2","1") = "9"
    & skf18("7","9","10","9","4","3","1") = "9"
    & skf18("7","9","10","9","4","4","1") = "9"
    & skf18("7","9","10","9","4","5","1") = "9"
    & skf18("7","9","10","9","4","6","1") = "9"
    & skf18("7","9","10","9","4","7","1") = "9"
    & skf18("7","9","10","9","4","8","1") = "9"
    & skf18("7","9","10","9","4","9","1") = "9"
    & skf18("7","9","10","9","4","10","1") = "9"
    & skf18("7","9","10","9","5","1","1") = "9"
    & skf18("7","9","10","9","5","2","1") = "9"
    & skf18("7","9","10","9","5","3","1") = "9"
    & skf18("7","9","10","9","5","4","1") = "9"
    & skf18("7","9","10","9","5","5","1") = "9"
    & skf18("7","9","10","9","5","6","1") = "9"
    & skf18("7","9","10","9","5","7","1") = "9"
    & skf18("7","9","10","9","5","8","1") = "9"
    & skf18("7","9","10","9","5","9","1") = "9"
    & skf18("7","9","10","9","5","10","1") = "9"
    & skf18("7","9","10","9","6","1","1") = "9"
    & skf18("7","9","10","9","6","2","1") = "9"
    & skf18("7","9","10","9","6","3","1") = "9"
    & skf18("7","9","10","9","6","4","1") = "9"
    & skf18("7","9","10","9","6","5","1") = "9"
    & skf18("7","9","10","9","6","6","1") = "9"
    & skf18("7","9","10","9","6","7","1") = "9"
    & skf18("7","9","10","9","6","8","1") = "9"
    & skf18("7","9","10","9","6","9","1") = "9"
    & skf18("7","9","10","9","6","10","1") = "9"
    & skf18("7","9","10","9","7","1","1") = "9"
    & skf18("7","9","10","9","7","2","1") = "9"
    & skf18("7","9","10","9","7","3","1") = "9"
    & skf18("7","9","10","9","7","4","1") = "9"
    & skf18("7","9","10","9","7","5","1") = "9"
    & skf18("7","9","10","9","7","6","1") = "9"
    & skf18("7","9","10","9","7","7","1") = "9"
    & skf18("7","9","10","9","7","8","1") = "9"
    & skf18("7","9","10","9","7","9","1") = "9"
    & skf18("7","9","10","9","7","10","1") = "9"
    & skf18("7","9","10","9","8","1","1") = "9"
    & skf18("7","9","10","9","8","2","1") = "9"
    & skf18("7","9","10","9","8","3","1") = "9"
    & skf18("7","9","10","9","8","4","1") = "9"
    & skf18("7","9","10","9","8","5","1") = "9"
    & skf18("7","9","10","9","8","6","1") = "9"
    & skf18("7","9","10","9","8","7","1") = "9"
    & skf18("7","9","10","9","8","8","1") = "9"
    & skf18("7","9","10","9","8","9","1") = "9"
    & skf18("7","9","10","9","8","10","1") = "9"
    & skf18("7","9","10","9","9","1","1") = "9"
    & skf18("7","9","10","9","9","2","1") = "9"
    & skf18("7","9","10","9","9","3","1") = "9"
    & skf18("7","9","10","9","9","4","1") = "9"
    & skf18("7","9","10","9","9","5","1") = "9"
    & skf18("7","9","10","9","9","6","1") = "9"
    & skf18("7","9","10","9","9","7","1") = "9"
    & skf18("7","9","10","9","9","8","1") = "9"
    & skf18("7","9","10","9","9","9","1") = "9"
    & skf18("7","9","10","9","9","10","1") = "9"
    & skf18("7","9","10","9","10","1","1") = "9"
    & skf18("7","9","10","9","10","2","1") = "9"
    & skf18("7","9","10","9","10","3","1") = "9"
    & skf18("7","9","10","9","10","4","1") = "9"
    & skf18("7","9","10","9","10","5","1") = "9"
    & skf18("7","9","10","9","10","6","1") = "9"
    & skf18("7","9","10","9","10","7","1") = "9"
    & skf18("7","9","10","9","10","8","1") = "9"
    & skf18("7","9","10","9","10","9","1") = "9"
    & skf18("7","9","10","9","10","10","1") = "9"
    & skf18("7","9","10","10","1","1","1") = "9"
    & skf18("7","9","10","10","1","2","1") = "9"
    & skf18("7","9","10","10","1","3","1") = "9"
    & skf18("7","9","10","10","1","4","1") = "9"
    & skf18("7","9","10","10","1","5","1") = "9"
    & skf18("7","9","10","10","1","6","1") = "9"
    & skf18("7","9","10","10","1","7","1") = "9"
    & skf18("7","9","10","10","1","8","1") = "9"
    & skf18("7","9","10","10","1","9","1") = "9"
    & skf18("7","9","10","10","1","10","1") = "9"
    & skf18("7","9","10","10","2","1","1") = "9"
    & skf18("7","9","10","10","2","2","1") = "9"
    & skf18("7","9","10","10","2","3","1") = "9"
    & skf18("7","9","10","10","2","4","1") = "9"
    & skf18("7","9","10","10","2","5","1") = "9"
    & skf18("7","9","10","10","2","6","1") = "9"
    & skf18("7","9","10","10","2","7","1") = "9"
    & skf18("7","9","10","10","2","8","1") = "9"
    & skf18("7","9","10","10","2","9","1") = "9"
    & skf18("7","9","10","10","2","10","1") = "9"
    & skf18("7","9","10","10","3","1","1") = "9"
    & skf18("7","9","10","10","3","2","1") = "9"
    & skf18("7","9","10","10","3","3","1") = "9"
    & skf18("7","9","10","10","3","4","1") = "9"
    & skf18("7","9","10","10","3","5","1") = "9"
    & skf18("7","9","10","10","3","6","1") = "9"
    & skf18("7","9","10","10","3","7","1") = "9"
    & skf18("7","9","10","10","3","8","1") = "9"
    & skf18("7","9","10","10","3","9","1") = "9"
    & skf18("7","9","10","10","3","10","1") = "9"
    & skf18("7","9","10","10","4","1","1") = "9"
    & skf18("7","9","10","10","4","2","1") = "9"
    & skf18("7","9","10","10","4","3","1") = "9"
    & skf18("7","9","10","10","4","4","1") = "9"
    & skf18("7","9","10","10","4","5","1") = "9"
    & skf18("7","9","10","10","4","6","1") = "9"
    & skf18("7","9","10","10","4","7","1") = "9"
    & skf18("7","9","10","10","4","8","1") = "9"
    & skf18("7","9","10","10","4","9","1") = "9"
    & skf18("7","9","10","10","4","10","1") = "9"
    & skf18("7","9","10","10","5","1","1") = "9"
    & skf18("7","9","10","10","5","2","1") = "9"
    & skf18("7","9","10","10","5","3","1") = "9"
    & skf18("7","9","10","10","5","4","1") = "9"
    & skf18("7","9","10","10","5","5","1") = "9"
    & skf18("7","9","10","10","5","6","1") = "9"
    & skf18("7","9","10","10","5","7","1") = "9"
    & skf18("7","9","10","10","5","8","1") = "9"
    & skf18("7","9","10","10","5","9","1") = "9"
    & skf18("7","9","10","10","5","10","1") = "9"
    & skf18("7","9","10","10","6","1","1") = "9"
    & skf18("7","9","10","10","6","2","1") = "9"
    & skf18("7","9","10","10","6","3","1") = "9"
    & skf18("7","9","10","10","6","4","1") = "9"
    & skf18("7","9","10","10","6","5","1") = "9"
    & skf18("7","9","10","10","6","6","1") = "9"
    & skf18("7","9","10","10","6","7","1") = "9"
    & skf18("7","9","10","10","6","8","1") = "9"
    & skf18("7","9","10","10","6","9","1") = "9"
    & skf18("7","9","10","10","6","10","1") = "9"
    & skf18("7","9","10","10","7","1","1") = "9"
    & skf18("7","9","10","10","7","2","1") = "9"
    & skf18("7","9","10","10","7","3","1") = "9"
    & skf18("7","9","10","10","7","4","1") = "9"
    & skf18("7","9","10","10","7","5","1") = "9"
    & skf18("7","9","10","10","7","6","1") = "9"
    & skf18("7","9","10","10","7","7","1") = "9"
    & skf18("7","9","10","10","7","8","1") = "9"
    & skf18("7","9","10","10","7","9","1") = "9"
    & skf18("7","9","10","10","7","10","1") = "9"
    & skf18("7","9","10","10","8","1","1") = "9"
    & skf18("7","9","10","10","8","2","1") = "9"
    & skf18("7","9","10","10","8","3","1") = "9"
    & skf18("7","9","10","10","8","4","1") = "9"
    & skf18("7","9","10","10","8","5","1") = "9"
    & skf18("7","9","10","10","8","6","1") = "9"
    & skf18("7","9","10","10","8","7","1") = "9"
    & skf18("7","9","10","10","8","8","1") = "9"
    & skf18("7","9","10","10","8","9","1") = "9"
    & skf18("7","9","10","10","8","10","1") = "9"
    & skf18("7","9","10","10","9","1","1") = "9"
    & skf18("7","9","10","10","9","2","1") = "9"
    & skf18("7","9","10","10","9","3","1") = "9"
    & skf18("7","9","10","10","9","4","1") = "9"
    & skf18("7","9","10","10","9","5","1") = "9"
    & skf18("7","9","10","10","9","6","1") = "9"
    & skf18("7","9","10","10","9","7","1") = "9"
    & skf18("7","9","10","10","9","8","1") = "9"
    & skf18("7","9","10","10","9","9","1") = "9"
    & skf18("7","9","10","10","9","10","1") = "9"
    & skf18("7","9","10","10","10","1","1") = "9"
    & skf18("7","9","10","10","10","2","1") = "9"
    & skf18("7","9","10","10","10","3","1") = "9"
    & skf18("7","9","10","10","10","4","1") = "9"
    & skf18("7","9","10","10","10","5","1") = "9"
    & skf18("7","9","10","10","10","6","1") = "9"
    & skf18("7","9","10","10","10","7","1") = "9"
    & skf18("7","9","10","10","10","8","1") = "9"
    & skf18("7","9","10","10","10","9","1") = "9"
    & skf18("7","9","10","10","10","10","1") = "9"
    & skf18("7","10","1","1","1","1","1") = "9"
    & skf18("7","10","1","1","1","2","1") = "9"
    & skf18("7","10","1","1","1","3","1") = "9"
    & skf18("7","10","1","1","1","4","1") = "9"
    & skf18("7","10","1","1","1","5","1") = "9"
    & skf18("7","10","1","1","1","6","1") = "9"
    & skf18("7","10","1","1","1","7","1") = "9"
    & skf18("7","10","1","1","1","8","1") = "9"
    & skf18("7","10","1","1","1","9","1") = "9"
    & skf18("7","10","1","1","1","10","1") = "9"
    & skf18("7","10","1","1","2","1","1") = "9"
    & skf18("7","10","1","1","2","2","1") = "9"
    & skf18("7","10","1","1","2","3","1") = "9"
    & skf18("7","10","1","1","2","4","1") = "9"
    & skf18("7","10","1","1","2","5","1") = "9"
    & skf18("7","10","1","1","2","6","1") = "9"
    & skf18("7","10","1","1","2","7","1") = "9"
    & skf18("7","10","1","1","2","8","1") = "9"
    & skf18("7","10","1","1","2","9","1") = "9"
    & skf18("7","10","1","1","2","10","1") = "9"
    & skf18("7","10","1","1","3","1","1") = "9"
    & skf18("7","10","1","1","3","2","1") = "9"
    & skf18("7","10","1","1","3","3","1") = "9"
    & skf18("7","10","1","1","3","4","1") = "9"
    & skf18("7","10","1","1","3","5","1") = "9"
    & skf18("7","10","1","1","3","6","1") = "9"
    & skf18("7","10","1","1","3","7","1") = "9"
    & skf18("7","10","1","1","3","8","1") = "9"
    & skf18("7","10","1","1","3","9","1") = "9"
    & skf18("7","10","1","1","3","10","1") = "9"
    & skf18("7","10","1","1","4","1","1") = "9"
    & skf18("7","10","1","1","4","2","1") = "9"
    & skf18("7","10","1","1","4","3","1") = "9"
    & skf18("7","10","1","1","4","4","1") = "9"
    & skf18("7","10","1","1","4","5","1") = "9"
    & skf18("7","10","1","1","4","6","1") = "9"
    & skf18("7","10","1","1","4","7","1") = "9"
    & skf18("7","10","1","1","4","8","1") = "9"
    & skf18("7","10","1","1","4","9","1") = "9"
    & skf18("7","10","1","1","4","10","1") = "9"
    & skf18("7","10","1","1","5","1","1") = "9"
    & skf18("7","10","1","1","5","2","1") = "9"
    & skf18("7","10","1","1","5","3","1") = "9"
    & skf18("7","10","1","1","5","4","1") = "9"
    & skf18("7","10","1","1","5","5","1") = "9"
    & skf18("7","10","1","1","5","6","1") = "9"
    & skf18("7","10","1","1","5","7","1") = "9"
    & skf18("7","10","1","1","5","8","1") = "9"
    & skf18("7","10","1","1","5","9","1") = "9"
    & skf18("7","10","1","1","5","10","1") = "9"
    & skf18("7","10","1","1","6","1","1") = "9"
    & skf18("7","10","1","1","6","2","1") = "9"
    & skf18("7","10","1","1","6","3","1") = "9"
    & skf18("7","10","1","1","6","4","1") = "9"
    & skf18("7","10","1","1","6","5","1") = "9"
    & skf18("7","10","1","1","6","6","1") = "9"
    & skf18("7","10","1","1","6","7","1") = "9"
    & skf18("7","10","1","1","6","8","1") = "9"
    & skf18("7","10","1","1","6","9","1") = "9"
    & skf18("7","10","1","1","6","10","1") = "9"
    & skf18("7","10","1","1","7","1","1") = "9"
    & skf18("7","10","1","1","7","2","1") = "9"
    & skf18("7","10","1","1","7","3","1") = "9"
    & skf18("7","10","1","1","7","4","1") = "9"
    & skf18("7","10","1","1","7","5","1") = "9"
    & skf18("7","10","1","1","7","6","1") = "9"
    & skf18("7","10","1","1","7","7","1") = "9"
    & skf18("7","10","1","1","7","8","1") = "9"
    & skf18("7","10","1","1","7","9","1") = "9"
    & skf18("7","10","1","1","7","10","1") = "9"
    & skf18("7","10","1","1","8","1","1") = "9"
    & skf18("7","10","1","1","8","2","1") = "9"
    & skf18("7","10","1","1","8","3","1") = "9"
    & skf18("7","10","1","1","8","4","1") = "9"
    & skf18("7","10","1","1","8","5","1") = "9"
    & skf18("7","10","1","1","8","6","1") = "9"
    & skf18("7","10","1","1","8","7","1") = "9"
    & skf18("7","10","1","1","8","8","1") = "9"
    & skf18("7","10","1","1","8","9","1") = "9"
    & skf18("7","10","1","1","8","10","1") = "9"
    & skf18("7","10","1","1","9","1","1") = "9"
    & skf18("7","10","1","1","9","2","1") = "9"
    & skf18("7","10","1","1","9","3","1") = "9"
    & skf18("7","10","1","1","9","4","1") = "9"
    & skf18("7","10","1","1","9","5","1") = "9"
    & skf18("7","10","1","1","9","6","1") = "9"
    & skf18("7","10","1","1","9","7","1") = "9"
    & skf18("7","10","1","1","9","8","1") = "9"
    & skf18("7","10","1","1","9","9","1") = "9"
    & skf18("7","10","1","1","9","10","1") = "9"
    & skf18("7","10","1","1","10","1","1") = "9"
    & skf18("7","10","1","1","10","2","1") = "9"
    & skf18("7","10","1","1","10","3","1") = "9"
    & skf18("7","10","1","1","10","4","1") = "9"
    & skf18("7","10","1","1","10","5","1") = "9"
    & skf18("7","10","1","1","10","6","1") = "9"
    & skf18("7","10","1","1","10","7","1") = "9"
    & skf18("7","10","1","1","10","8","1") = "9"
    & skf18("7","10","1","1","10","9","1") = "9"
    & skf18("7","10","1","1","10","10","1") = "9"
    & skf18("7","10","1","2","1","1","1") = "9"
    & skf18("7","10","1","2","1","2","1") = "9"
    & skf18("7","10","1","2","1","3","1") = "9"
    & skf18("7","10","1","2","1","4","1") = "9"
    & skf18("7","10","1","2","1","5","1") = "9"
    & skf18("7","10","1","2","1","6","1") = "9"
    & skf18("7","10","1","2","1","7","1") = "9"
    & skf18("7","10","1","2","1","8","1") = "9"
    & skf18("7","10","1","2","1","9","1") = "9"
    & skf18("7","10","1","2","1","10","1") = "9"
    & skf18("7","10","1","2","2","1","1") = "9"
    & skf18("7","10","1","2","2","2","1") = "9"
    & skf18("7","10","1","2","2","3","1") = "9"
    & skf18("7","10","1","2","2","4","1") = "9"
    & skf18("7","10","1","2","2","5","1") = "9"
    & skf18("7","10","1","2","2","6","1") = "9"
    & skf18("7","10","1","2","2","7","1") = "9"
    & skf18("7","10","1","2","2","8","1") = "9"
    & skf18("7","10","1","2","2","9","1") = "9"
    & skf18("7","10","1","2","2","10","1") = "9"
    & skf18("7","10","1","2","3","1","1") = "9"
    & skf18("7","10","1","2","3","2","1") = "9"
    & skf18("7","10","1","2","3","3","1") = "9"
    & skf18("7","10","1","2","3","4","1") = "9"
    & skf18("7","10","1","2","3","5","1") = "9"
    & skf18("7","10","1","2","3","6","1") = "9"
    & skf18("7","10","1","2","3","7","1") = "9"
    & skf18("7","10","1","2","3","8","1") = "9"
    & skf18("7","10","1","2","3","9","1") = "9"
    & skf18("7","10","1","2","3","10","1") = "9"
    & skf18("7","10","1","2","4","1","1") = "9"
    & skf18("7","10","1","2","4","2","1") = "9"
    & skf18("7","10","1","2","4","3","1") = "9"
    & skf18("7","10","1","2","4","4","1") = "9"
    & skf18("7","10","1","2","4","5","1") = "9"
    & skf18("7","10","1","2","4","6","1") = "9"
    & skf18("7","10","1","2","4","7","1") = "9"
    & skf18("7","10","1","2","4","8","1") = "9"
    & skf18("7","10","1","2","4","9","1") = "9"
    & skf18("7","10","1","2","4","10","1") = "9"
    & skf18("7","10","1","2","5","1","1") = "9"
    & skf18("7","10","1","2","5","2","1") = "9"
    & skf18("7","10","1","2","5","3","1") = "9"
    & skf18("7","10","1","2","5","4","1") = "9"
    & skf18("7","10","1","2","5","5","1") = "9"
    & skf18("7","10","1","2","5","6","1") = "9"
    & skf18("7","10","1","2","5","7","1") = "9"
    & skf18("7","10","1","2","5","8","1") = "9"
    & skf18("7","10","1","2","5","9","1") = "9"
    & skf18("7","10","1","2","5","10","1") = "9"
    & skf18("7","10","1","2","6","1","1") = "9"
    & skf18("7","10","1","2","6","2","1") = "9"
    & skf18("7","10","1","2","6","3","1") = "9"
    & skf18("7","10","1","2","6","4","1") = "9"
    & skf18("7","10","1","2","6","5","1") = "9"
    & skf18("7","10","1","2","6","6","1") = "9"
    & skf18("7","10","1","2","6","7","1") = "9"
    & skf18("7","10","1","2","6","8","1") = "9"
    & skf18("7","10","1","2","6","9","1") = "9"
    & skf18("7","10","1","2","6","10","1") = "9"
    & skf18("7","10","1","2","7","1","1") = "9"
    & skf18("7","10","1","2","7","2","1") = "9"
    & skf18("7","10","1","2","7","3","1") = "9"
    & skf18("7","10","1","2","7","4","1") = "9"
    & skf18("7","10","1","2","7","5","1") = "9"
    & skf18("7","10","1","2","7","6","1") = "9"
    & skf18("7","10","1","2","7","7","1") = "9"
    & skf18("7","10","1","2","7","8","1") = "9"
    & skf18("7","10","1","2","7","9","1") = "9"
    & skf18("7","10","1","2","7","10","1") = "9"
    & skf18("7","10","1","2","8","1","1") = "9"
    & skf18("7","10","1","2","8","2","1") = "9"
    & skf18("7","10","1","2","8","3","1") = "9"
    & skf18("7","10","1","2","8","4","1") = "9"
    & skf18("7","10","1","2","8","5","1") = "9"
    & skf18("7","10","1","2","8","6","1") = "9"
    & skf18("7","10","1","2","8","7","1") = "9"
    & skf18("7","10","1","2","8","8","1") = "9"
    & skf18("7","10","1","2","8","9","1") = "9"
    & skf18("7","10","1","2","8","10","1") = "9"
    & skf18("7","10","1","2","9","1","1") = "9"
    & skf18("7","10","1","2","9","2","1") = "9"
    & skf18("7","10","1","2","9","3","1") = "9"
    & skf18("7","10","1","2","9","4","1") = "9"
    & skf18("7","10","1","2","9","5","1") = "9"
    & skf18("7","10","1","2","9","6","1") = "9"
    & skf18("7","10","1","2","9","7","1") = "9"
    & skf18("7","10","1","2","9","8","1") = "9"
    & skf18("7","10","1","2","9","9","1") = "9"
    & skf18("7","10","1","2","9","10","1") = "9"
    & skf18("7","10","1","2","10","1","1") = "9"
    & skf18("7","10","1","2","10","2","1") = "9"
    & skf18("7","10","1","2","10","3","1") = "9"
    & skf18("7","10","1","2","10","4","1") = "9"
    & skf18("7","10","1","2","10","5","1") = "9"
    & skf18("7","10","1","2","10","6","1") = "9"
    & skf18("7","10","1","2","10","7","1") = "9"
    & skf18("7","10","1","2","10","8","1") = "9"
    & skf18("7","10","1","2","10","9","1") = "9"
    & skf18("7","10","1","2","10","10","1") = "9"
    & skf18("7","10","1","3","1","1","1") = "9"
    & skf18("7","10","1","3","1","2","1") = "9"
    & skf18("7","10","1","3","1","3","1") = "9"
    & skf18("7","10","1","3","1","4","1") = "9"
    & skf18("7","10","1","3","1","5","1") = "9"
    & skf18("7","10","1","3","1","6","1") = "9"
    & skf18("7","10","1","3","1","7","1") = "9"
    & skf18("7","10","1","3","1","8","1") = "9"
    & skf18("7","10","1","3","1","9","1") = "9"
    & skf18("7","10","1","3","1","10","1") = "9"
    & skf18("7","10","1","3","2","1","1") = "9"
    & skf18("7","10","1","3","2","2","1") = "9"
    & skf18("7","10","1","3","2","3","1") = "9"
    & skf18("7","10","1","3","2","4","1") = "9"
    & skf18("7","10","1","3","2","5","1") = "9"
    & skf18("7","10","1","3","2","6","1") = "9"
    & skf18("7","10","1","3","2","7","1") = "9"
    & skf18("7","10","1","3","2","8","1") = "9"
    & skf18("7","10","1","3","2","9","1") = "9"
    & skf18("7","10","1","3","2","10","1") = "9"
    & skf18("7","10","1","3","3","1","1") = "9"
    & skf18("7","10","1","3","3","2","1") = "9"
    & skf18("7","10","1","3","3","3","1") = "9"
    & skf18("7","10","1","3","3","4","1") = "9"
    & skf18("7","10","1","3","3","5","1") = "9"
    & skf18("7","10","1","3","3","6","1") = "9"
    & skf18("7","10","1","3","3","7","1") = "9"
    & skf18("7","10","1","3","3","8","1") = "9"
    & skf18("7","10","1","3","3","9","1") = "9"
    & skf18("7","10","1","3","3","10","1") = "9"
    & skf18("7","10","1","3","4","1","1") = "9"
    & skf18("7","10","1","3","4","2","1") = "9"
    & skf18("7","10","1","3","4","3","1") = "9"
    & skf18("7","10","1","3","4","4","1") = "9"
    & skf18("7","10","1","3","4","5","1") = "9"
    & skf18("7","10","1","3","4","6","1") = "9"
    & skf18("7","10","1","3","4","7","1") = "9"
    & skf18("7","10","1","3","4","8","1") = "9"
    & skf18("7","10","1","3","4","9","1") = "9"
    & skf18("7","10","1","3","4","10","1") = "9"
    & skf18("7","10","1","3","5","1","1") = "9"
    & skf18("7","10","1","3","5","2","1") = "9"
    & skf18("7","10","1","3","5","3","1") = "9"
    & skf18("7","10","1","3","5","4","1") = "9"
    & skf18("7","10","1","3","5","5","1") = "9"
    & skf18("7","10","1","3","5","6","1") = "9"
    & skf18("7","10","1","3","5","7","1") = "9"
    & skf18("7","10","1","3","5","8","1") = "9"
    & skf18("7","10","1","3","5","9","1") = "9"
    & skf18("7","10","1","3","5","10","1") = "9"
    & skf18("7","10","1","3","6","1","1") = "9"
    & skf18("7","10","1","3","6","2","1") = "9"
    & skf18("7","10","1","3","6","3","1") = "9"
    & skf18("7","10","1","3","6","4","1") = "9"
    & skf18("7","10","1","3","6","5","1") = "9"
    & skf18("7","10","1","3","6","6","1") = "9"
    & skf18("7","10","1","3","6","7","1") = "9"
    & skf18("7","10","1","3","6","8","1") = "9"
    & skf18("7","10","1","3","6","9","1") = "9"
    & skf18("7","10","1","3","6","10","1") = "9"
    & skf18("7","10","1","3","7","1","1") = "9"
    & skf18("7","10","1","3","7","2","1") = "9"
    & skf18("7","10","1","3","7","3","1") = "9"
    & skf18("7","10","1","3","7","4","1") = "9"
    & skf18("7","10","1","3","7","5","1") = "9"
    & skf18("7","10","1","3","7","6","1") = "9"
    & skf18("7","10","1","3","7","7","1") = "9"
    & skf18("7","10","1","3","7","8","1") = "9"
    & skf18("7","10","1","3","7","9","1") = "9"
    & skf18("7","10","1","3","7","10","1") = "9"
    & skf18("7","10","1","3","8","1","1") = "9"
    & skf18("7","10","1","3","8","2","1") = "9"
    & skf18("7","10","1","3","8","3","1") = "9"
    & skf18("7","10","1","3","8","4","1") = "9"
    & skf18("7","10","1","3","8","5","1") = "9"
    & skf18("7","10","1","3","8","6","1") = "9"
    & skf18("7","10","1","3","8","7","1") = "9"
    & skf18("7","10","1","3","8","8","1") = "9"
    & skf18("7","10","1","3","8","9","1") = "9"
    & skf18("7","10","1","3","8","10","1") = "9"
    & skf18("7","10","1","3","9","1","1") = "9"
    & skf18("7","10","1","3","9","2","1") = "9"
    & skf18("7","10","1","3","9","3","1") = "9"
    & skf18("7","10","1","3","9","4","1") = "9"
    & skf18("7","10","1","3","9","5","1") = "9"
    & skf18("7","10","1","3","9","6","1") = "9"
    & skf18("7","10","1","3","9","7","1") = "9"
    & skf18("7","10","1","3","9","8","1") = "9"
    & skf18("7","10","1","3","9","9","1") = "9"
    & skf18("7","10","1","3","9","10","1") = "9"
    & skf18("7","10","1","3","10","1","1") = "9"
    & skf18("7","10","1","3","10","2","1") = "9"
    & skf18("7","10","1","3","10","3","1") = "9"
    & skf18("7","10","1","3","10","4","1") = "9"
    & skf18("7","10","1","3","10","5","1") = "9"
    & skf18("7","10","1","3","10","6","1") = "9"
    & skf18("7","10","1","3","10","7","1") = "9"
    & skf18("7","10","1","3","10","8","1") = "9"
    & skf18("7","10","1","3","10","9","1") = "9"
    & skf18("7","10","1","3","10","10","1") = "9"
    & skf18("7","10","1","4","1","1","1") = "9"
    & skf18("7","10","1","4","1","2","1") = "9"
    & skf18("7","10","1","4","1","3","1") = "9"
    & skf18("7","10","1","4","1","4","1") = "9"
    & skf18("7","10","1","4","1","5","1") = "9"
    & skf18("7","10","1","4","1","6","1") = "9"
    & skf18("7","10","1","4","1","7","1") = "9"
    & skf18("7","10","1","4","1","8","1") = "9"
    & skf18("7","10","1","4","1","9","1") = "9"
    & skf18("7","10","1","4","1","10","1") = "9"
    & skf18("7","10","1","4","2","1","1") = "9"
    & skf18("7","10","1","4","2","2","1") = "9"
    & skf18("7","10","1","4","2","3","1") = "9"
    & skf18("7","10","1","4","2","4","1") = "9"
    & skf18("7","10","1","4","2","5","1") = "9"
    & skf18("7","10","1","4","2","6","1") = "9"
    & skf18("7","10","1","4","2","7","1") = "9"
    & skf18("7","10","1","4","2","8","1") = "9"
    & skf18("7","10","1","4","2","9","1") = "9"
    & skf18("7","10","1","4","2","10","1") = "9"
    & skf18("7","10","1","4","3","1","1") = "9"
    & skf18("7","10","1","4","3","2","1") = "9"
    & skf18("7","10","1","4","3","3","1") = "9"
    & skf18("7","10","1","4","3","4","1") = "9"
    & skf18("7","10","1","4","3","5","1") = "9"
    & skf18("7","10","1","4","3","6","1") = "9"
    & skf18("7","10","1","4","3","7","1") = "9"
    & skf18("7","10","1","4","3","8","1") = "9"
    & skf18("7","10","1","4","3","9","1") = "9"
    & skf18("7","10","1","4","3","10","1") = "9"
    & skf18("7","10","1","4","4","1","1") = "9"
    & skf18("7","10","1","4","4","2","1") = "9"
    & skf18("7","10","1","4","4","3","1") = "9"
    & skf18("7","10","1","4","4","4","1") = "9"
    & skf18("7","10","1","4","4","5","1") = "9"
    & skf18("7","10","1","4","4","6","1") = "9"
    & skf18("7","10","1","4","4","7","1") = "9"
    & skf18("7","10","1","4","4","8","1") = "9"
    & skf18("7","10","1","4","4","9","1") = "9"
    & skf18("7","10","1","4","4","10","1") = "9"
    & skf18("7","10","1","4","5","1","1") = "9"
    & skf18("7","10","1","4","5","2","1") = "9"
    & skf18("7","10","1","4","5","3","1") = "9"
    & skf18("7","10","1","4","5","4","1") = "9"
    & skf18("7","10","1","4","5","5","1") = "9"
    & skf18("7","10","1","4","5","6","1") = "9"
    & skf18("7","10","1","4","5","7","1") = "9"
    & skf18("7","10","1","4","5","8","1") = "9"
    & skf18("7","10","1","4","5","9","1") = "9"
    & skf18("7","10","1","4","5","10","1") = "9"
    & skf18("7","10","1","4","6","1","1") = "9"
    & skf18("7","10","1","4","6","2","1") = "9"
    & skf18("7","10","1","4","6","3","1") = "9"
    & skf18("7","10","1","4","6","4","1") = "9"
    & skf18("7","10","1","4","6","5","1") = "9"
    & skf18("7","10","1","4","6","6","1") = "9"
    & skf18("7","10","1","4","6","7","1") = "9"
    & skf18("7","10","1","4","6","8","1") = "9"
    & skf18("7","10","1","4","6","9","1") = "9"
    & skf18("7","10","1","4","6","10","1") = "9"
    & skf18("7","10","1","4","7","1","1") = "9"
    & skf18("7","10","1","4","7","2","1") = "9"
    & skf18("7","10","1","4","7","3","1") = "9"
    & skf18("7","10","1","4","7","4","1") = "9"
    & skf18("7","10","1","4","7","5","1") = "9"
    & skf18("7","10","1","4","7","6","1") = "9"
    & skf18("7","10","1","4","7","7","1") = "9"
    & skf18("7","10","1","4","7","8","1") = "9"
    & skf18("7","10","1","4","7","9","1") = "9"
    & skf18("7","10","1","4","7","10","1") = "9"
    & skf18("7","10","1","4","8","1","1") = "9"
    & skf18("7","10","1","4","8","2","1") = "9"
    & skf18("7","10","1","4","8","3","1") = "9"
    & skf18("7","10","1","4","8","4","1") = "9"
    & skf18("7","10","1","4","8","5","1") = "9"
    & skf18("7","10","1","4","8","6","1") = "9"
    & skf18("7","10","1","4","8","7","1") = "9"
    & skf18("7","10","1","4","8","8","1") = "9"
    & skf18("7","10","1","4","8","9","1") = "9"
    & skf18("7","10","1","4","8","10","1") = "9"
    & skf18("7","10","1","4","9","1","1") = "9"
    & skf18("7","10","1","4","9","2","1") = "9"
    & skf18("7","10","1","4","9","3","1") = "9"
    & skf18("7","10","1","4","9","4","1") = "9"
    & skf18("7","10","1","4","9","5","1") = "9"
    & skf18("7","10","1","4","9","6","1") = "9"
    & skf18("7","10","1","4","9","7","1") = "9"
    & skf18("7","10","1","4","9","8","1") = "9"
    & skf18("7","10","1","4","9","9","1") = "9"
    & skf18("7","10","1","4","9","10","1") = "9"
    & skf18("7","10","1","4","10","1","1") = "9"
    & skf18("7","10","1","4","10","2","1") = "9"
    & skf18("7","10","1","4","10","3","1") = "9"
    & skf18("7","10","1","4","10","4","1") = "9"
    & skf18("7","10","1","4","10","5","1") = "9"
    & skf18("7","10","1","4","10","6","1") = "9"
    & skf18("7","10","1","4","10","7","1") = "9"
    & skf18("7","10","1","4","10","8","1") = "9"
    & skf18("7","10","1","4","10","9","1") = "9"
    & skf18("7","10","1","4","10","10","1") = "9"
    & skf18("7","10","1","5","1","1","1") = "9"
    & skf18("7","10","1","5","1","2","1") = "9"
    & skf18("7","10","1","5","1","3","1") = "9"
    & skf18("7","10","1","5","1","4","1") = "9"
    & skf18("7","10","1","5","1","5","1") = "9"
    & skf18("7","10","1","5","1","6","1") = "9"
    & skf18("7","10","1","5","1","7","1") = "9"
    & skf18("7","10","1","5","1","8","1") = "9"
    & skf18("7","10","1","5","1","9","1") = "9"
    & skf18("7","10","1","5","1","10","1") = "9"
    & skf18("7","10","1","5","2","1","1") = "9"
    & skf18("7","10","1","5","2","2","1") = "9"
    & skf18("7","10","1","5","2","3","1") = "9"
    & skf18("7","10","1","5","2","4","1") = "9"
    & skf18("7","10","1","5","2","5","1") = "9"
    & skf18("7","10","1","5","2","6","1") = "9"
    & skf18("7","10","1","5","2","7","1") = "9"
    & skf18("7","10","1","5","2","8","1") = "9"
    & skf18("7","10","1","5","2","9","1") = "9"
    & skf18("7","10","1","5","2","10","1") = "9"
    & skf18("7","10","1","5","3","1","1") = "9"
    & skf18("7","10","1","5","3","2","1") = "9"
    & skf18("7","10","1","5","3","3","1") = "9"
    & skf18("7","10","1","5","3","4","1") = "9"
    & skf18("7","10","1","5","3","5","1") = "9"
    & skf18("7","10","1","5","3","6","1") = "9"
    & skf18("7","10","1","5","3","7","1") = "9"
    & skf18("7","10","1","5","3","8","1") = "9"
    & skf18("7","10","1","5","3","9","1") = "9"
    & skf18("7","10","1","5","3","10","1") = "9"
    & skf18("7","10","1","5","4","1","1") = "9"
    & skf18("7","10","1","5","4","2","1") = "9"
    & skf18("7","10","1","5","4","3","1") = "9"
    & skf18("7","10","1","5","4","4","1") = "9"
    & skf18("7","10","1","5","4","5","1") = "9"
    & skf18("7","10","1","5","4","6","1") = "9"
    & skf18("7","10","1","5","4","7","1") = "9"
    & skf18("7","10","1","5","4","8","1") = "9"
    & skf18("7","10","1","5","4","9","1") = "9"
    & skf18("7","10","1","5","4","10","1") = "9"
    & skf18("7","10","1","5","5","1","1") = "9"
    & skf18("7","10","1","5","5","2","1") = "9"
    & skf18("7","10","1","5","5","3","1") = "9"
    & skf18("7","10","1","5","5","4","1") = "9"
    & skf18("7","10","1","5","5","5","1") = "9"
    & skf18("7","10","1","5","5","6","1") = "9"
    & skf18("7","10","1","5","5","7","1") = "9"
    & skf18("7","10","1","5","5","8","1") = "9"
    & skf18("7","10","1","5","5","9","1") = "9"
    & skf18("7","10","1","5","5","10","1") = "9"
    & skf18("7","10","1","5","6","1","1") = "9"
    & skf18("7","10","1","5","6","2","1") = "9"
    & skf18("7","10","1","5","6","3","1") = "9"
    & skf18("7","10","1","5","6","4","1") = "9"
    & skf18("7","10","1","5","6","5","1") = "9"
    & skf18("7","10","1","5","6","6","1") = "9"
    & skf18("7","10","1","5","6","7","1") = "9"
    & skf18("7","10","1","5","6","8","1") = "9"
    & skf18("7","10","1","5","6","9","1") = "9"
    & skf18("7","10","1","5","6","10","1") = "9"
    & skf18("7","10","1","5","7","1","1") = "9"
    & skf18("7","10","1","5","7","2","1") = "9"
    & skf18("7","10","1","5","7","3","1") = "9"
    & skf18("7","10","1","5","7","4","1") = "9"
    & skf18("7","10","1","5","7","5","1") = "9"
    & skf18("7","10","1","5","7","6","1") = "9"
    & skf18("7","10","1","5","7","7","1") = "9"
    & skf18("7","10","1","5","7","8","1") = "9"
    & skf18("7","10","1","5","7","9","1") = "9"
    & skf18("7","10","1","5","7","10","1") = "9"
    & skf18("7","10","1","5","8","1","1") = "9"
    & skf18("7","10","1","5","8","2","1") = "9"
    & skf18("7","10","1","5","8","3","1") = "9"
    & skf18("7","10","1","5","8","4","1") = "9"
    & skf18("7","10","1","5","8","5","1") = "9"
    & skf18("7","10","1","5","8","6","1") = "9"
    & skf18("7","10","1","5","8","7","1") = "9"
    & skf18("7","10","1","5","8","8","1") = "9"
    & skf18("7","10","1","5","8","9","1") = "9"
    & skf18("7","10","1","5","8","10","1") = "9"
    & skf18("7","10","1","5","9","1","1") = "9"
    & skf18("7","10","1","5","9","2","1") = "9"
    & skf18("7","10","1","5","9","3","1") = "9"
    & skf18("7","10","1","5","9","4","1") = "9"
    & skf18("7","10","1","5","9","5","1") = "9"
    & skf18("7","10","1","5","9","6","1") = "9"
    & skf18("7","10","1","5","9","7","1") = "9"
    & skf18("7","10","1","5","9","8","1") = "9"
    & skf18("7","10","1","5","9","9","1") = "9"
    & skf18("7","10","1","5","9","10","1") = "9"
    & skf18("7","10","1","5","10","1","1") = "9"
    & skf18("7","10","1","5","10","2","1") = "9"
    & skf18("7","10","1","5","10","3","1") = "9"
    & skf18("7","10","1","5","10","4","1") = "9"
    & skf18("7","10","1","5","10","5","1") = "9"
    & skf18("7","10","1","5","10","6","1") = "9"
    & skf18("7","10","1","5","10","7","1") = "9"
    & skf18("7","10","1","5","10","8","1") = "9"
    & skf18("7","10","1","5","10","9","1") = "9"
    & skf18("7","10","1","5","10","10","1") = "9"
    & skf18("7","10","1","6","1","1","1") = "9"
    & skf18("7","10","1","6","1","2","1") = "9"
    & skf18("7","10","1","6","1","3","1") = "9"
    & skf18("7","10","1","6","1","4","1") = "9"
    & skf18("7","10","1","6","1","5","1") = "9"
    & skf18("7","10","1","6","1","6","1") = "9"
    & skf18("7","10","1","6","1","7","1") = "9"
    & skf18("7","10","1","6","1","8","1") = "9"
    & skf18("7","10","1","6","1","9","1") = "9"
    & skf18("7","10","1","6","1","10","1") = "9"
    & skf18("7","10","1","6","2","1","1") = "9"
    & skf18("7","10","1","6","2","2","1") = "9"
    & skf18("7","10","1","6","2","3","1") = "9"
    & skf18("7","10","1","6","2","4","1") = "9"
    & skf18("7","10","1","6","2","5","1") = "9"
    & skf18("7","10","1","6","2","6","1") = "9"
    & skf18("7","10","1","6","2","7","1") = "9"
    & skf18("7","10","1","6","2","8","1") = "9"
    & skf18("7","10","1","6","2","9","1") = "9"
    & skf18("7","10","1","6","2","10","1") = "9"
    & skf18("7","10","1","6","3","1","1") = "9"
    & skf18("7","10","1","6","3","2","1") = "9"
    & skf18("7","10","1","6","3","3","1") = "9"
    & skf18("7","10","1","6","3","4","1") = "9"
    & skf18("7","10","1","6","3","5","1") = "9"
    & skf18("7","10","1","6","3","6","1") = "9"
    & skf18("7","10","1","6","3","7","1") = "9"
    & skf18("7","10","1","6","3","8","1") = "9"
    & skf18("7","10","1","6","3","9","1") = "9"
    & skf18("7","10","1","6","3","10","1") = "9"
    & skf18("7","10","1","6","4","1","1") = "9"
    & skf18("7","10","1","6","4","2","1") = "9"
    & skf18("7","10","1","6","4","3","1") = "9"
    & skf18("7","10","1","6","4","4","1") = "9"
    & skf18("7","10","1","6","4","5","1") = "9"
    & skf18("7","10","1","6","4","6","1") = "9"
    & skf18("7","10","1","6","4","7","1") = "9"
    & skf18("7","10","1","6","4","8","1") = "9"
    & skf18("7","10","1","6","4","9","1") = "9"
    & skf18("7","10","1","6","4","10","1") = "9"
    & skf18("7","10","1","6","5","1","1") = "9"
    & skf18("7","10","1","6","5","2","1") = "9"
    & skf18("7","10","1","6","5","3","1") = "9"
    & skf18("7","10","1","6","5","4","1") = "9"
    & skf18("7","10","1","6","5","5","1") = "9"
    & skf18("7","10","1","6","5","6","1") = "9"
    & skf18("7","10","1","6","5","7","1") = "9"
    & skf18("7","10","1","6","5","8","1") = "9"
    & skf18("7","10","1","6","5","9","1") = "9"
    & skf18("7","10","1","6","5","10","1") = "9"
    & skf18("7","10","1","6","6","1","1") = "9"
    & skf18("7","10","1","6","6","2","1") = "9"
    & skf18("7","10","1","6","6","3","1") = "9"
    & skf18("7","10","1","6","6","4","1") = "9"
    & skf18("7","10","1","6","6","5","1") = "9"
    & skf18("7","10","1","6","6","6","1") = "9"
    & skf18("7","10","1","6","6","7","1") = "9"
    & skf18("7","10","1","6","6","8","1") = "9"
    & skf18("7","10","1","6","6","9","1") = "9"
    & skf18("7","10","1","6","6","10","1") = "9"
    & skf18("7","10","1","6","7","1","1") = "9"
    & skf18("7","10","1","6","7","2","1") = "9"
    & skf18("7","10","1","6","7","3","1") = "9"
    & skf18("7","10","1","6","7","4","1") = "9"
    & skf18("7","10","1","6","7","5","1") = "9"
    & skf18("7","10","1","6","7","6","1") = "9"
    & skf18("7","10","1","6","7","7","1") = "9"
    & skf18("7","10","1","6","7","8","1") = "9"
    & skf18("7","10","1","6","7","9","1") = "9"
    & skf18("7","10","1","6","7","10","1") = "9"
    & skf18("7","10","1","6","8","1","1") = "9"
    & skf18("7","10","1","6","8","2","1") = "9"
    & skf18("7","10","1","6","8","3","1") = "9"
    & skf18("7","10","1","6","8","4","1") = "9"
    & skf18("7","10","1","6","8","5","1") = "9"
    & skf18("7","10","1","6","8","6","1") = "9"
    & skf18("7","10","1","6","8","7","1") = "9"
    & skf18("7","10","1","6","8","8","1") = "9"
    & skf18("7","10","1","6","8","9","1") = "9"
    & skf18("7","10","1","6","8","10","1") = "9"
    & skf18("7","10","1","6","9","1","1") = "9"
    & skf18("7","10","1","6","9","2","1") = "9"
    & skf18("7","10","1","6","9","3","1") = "9"
    & skf18("7","10","1","6","9","4","1") = "9"
    & skf18("7","10","1","6","9","5","1") = "9"
    & skf18("7","10","1","6","9","6","1") = "9"
    & skf18("7","10","1","6","9","7","1") = "9"
    & skf18("7","10","1","6","9","8","1") = "9"
    & skf18("7","10","1","6","9","9","1") = "9"
    & skf18("7","10","1","6","9","10","1") = "9"
    & skf18("7","10","1","6","10","1","1") = "9"
    & skf18("7","10","1","6","10","2","1") = "9"
    & skf18("7","10","1","6","10","3","1") = "9"
    & skf18("7","10","1","6","10","4","1") = "9"
    & skf18("7","10","1","6","10","5","1") = "9"
    & skf18("7","10","1","6","10","6","1") = "9"
    & skf18("7","10","1","6","10","7","1") = "9"
    & skf18("7","10","1","6","10","8","1") = "9"
    & skf18("7","10","1","6","10","9","1") = "9"
    & skf18("7","10","1","6","10","10","1") = "9"
    & skf18("7","10","1","7","1","1","1") = "9"
    & skf18("7","10","1","7","1","2","1") = "9"
    & skf18("7","10","1","7","1","3","1") = "9"
    & skf18("7","10","1","7","1","4","1") = "9"
    & skf18("7","10","1","7","1","5","1") = "9"
    & skf18("7","10","1","7","1","6","1") = "9"
    & skf18("7","10","1","7","1","7","1") = "9"
    & skf18("7","10","1","7","1","8","1") = "9"
    & skf18("7","10","1","7","1","9","1") = "9"
    & skf18("7","10","1","7","1","10","1") = "9"
    & skf18("7","10","1","7","2","1","1") = "9"
    & skf18("7","10","1","7","2","2","1") = "9"
    & skf18("7","10","1","7","2","3","1") = "9"
    & skf18("7","10","1","7","2","4","1") = "9"
    & skf18("7","10","1","7","2","5","1") = "9"
    & skf18("7","10","1","7","2","6","1") = "9"
    & skf18("7","10","1","7","2","7","1") = "9"
    & skf18("7","10","1","7","2","8","1") = "9"
    & skf18("7","10","1","7","2","9","1") = "9"
    & skf18("7","10","1","7","2","10","1") = "9"
    & skf18("7","10","1","7","3","1","1") = "9"
    & skf18("7","10","1","7","3","2","1") = "9"
    & skf18("7","10","1","7","3","3","1") = "9"
    & skf18("7","10","1","7","3","4","1") = "9"
    & skf18("7","10","1","7","3","5","1") = "9"
    & skf18("7","10","1","7","3","6","1") = "9"
    & skf18("7","10","1","7","3","7","1") = "9"
    & skf18("7","10","1","7","3","8","1") = "9"
    & skf18("7","10","1","7","3","9","1") = "9"
    & skf18("7","10","1","7","3","10","1") = "9"
    & skf18("7","10","1","7","4","1","1") = "9"
    & skf18("7","10","1","7","4","2","1") = "9"
    & skf18("7","10","1","7","4","3","1") = "9"
    & skf18("7","10","1","7","4","4","1") = "9"
    & skf18("7","10","1","7","4","5","1") = "9"
    & skf18("7","10","1","7","4","6","1") = "9"
    & skf18("7","10","1","7","4","7","1") = "9"
    & skf18("7","10","1","7","4","8","1") = "9"
    & skf18("7","10","1","7","4","9","1") = "9"
    & skf18("7","10","1","7","4","10","1") = "9"
    & skf18("7","10","1","7","5","1","1") = "9"
    & skf18("7","10","1","7","5","2","1") = "9"
    & skf18("7","10","1","7","5","3","1") = "9"
    & skf18("7","10","1","7","5","4","1") = "9"
    & skf18("7","10","1","7","5","5","1") = "9"
    & skf18("7","10","1","7","5","6","1") = "9"
    & skf18("7","10","1","7","5","7","1") = "9"
    & skf18("7","10","1","7","5","8","1") = "9"
    & skf18("7","10","1","7","5","9","1") = "9"
    & skf18("7","10","1","7","5","10","1") = "9"
    & skf18("7","10","1","7","6","1","1") = "9"
    & skf18("7","10","1","7","6","2","1") = "9"
    & skf18("7","10","1","7","6","3","1") = "9"
    & skf18("7","10","1","7","6","4","1") = "9"
    & skf18("7","10","1","7","6","5","1") = "9"
    & skf18("7","10","1","7","6","6","1") = "9"
    & skf18("7","10","1","7","6","7","1") = "9"
    & skf18("7","10","1","7","6","8","1") = "9"
    & skf18("7","10","1","7","6","9","1") = "9"
    & skf18("7","10","1","7","6","10","1") = "9"
    & skf18("7","10","1","7","7","1","1") = "9"
    & skf18("7","10","1","7","7","2","1") = "9"
    & skf18("7","10","1","7","7","3","1") = "9"
    & skf18("7","10","1","7","7","4","1") = "9"
    & skf18("7","10","1","7","7","5","1") = "9"
    & skf18("7","10","1","7","7","6","1") = "9"
    & skf18("7","10","1","7","7","7","1") = "9"
    & skf18("7","10","1","7","7","8","1") = "9"
    & skf18("7","10","1","7","7","9","1") = "9"
    & skf18("7","10","1","7","7","10","1") = "9"
    & skf18("7","10","1","7","8","1","1") = "9"
    & skf18("7","10","1","7","8","2","1") = "9"
    & skf18("7","10","1","7","8","3","1") = "9"
    & skf18("7","10","1","7","8","4","1") = "9"
    & skf18("7","10","1","7","8","5","1") = "9"
    & skf18("7","10","1","7","8","6","1") = "9"
    & skf18("7","10","1","7","8","7","1") = "9"
    & skf18("7","10","1","7","8","8","1") = "9"
    & skf18("7","10","1","7","8","9","1") = "9"
    & skf18("7","10","1","7","8","10","1") = "9"
    & skf18("7","10","1","7","9","1","1") = "9"
    & skf18("7","10","1","7","9","2","1") = "9"
    & skf18("7","10","1","7","9","3","1") = "9"
    & skf18("7","10","1","7","9","4","1") = "9"
    & skf18("7","10","1","7","9","5","1") = "9"
    & skf18("7","10","1","7","9","6","1") = "9"
    & skf18("7","10","1","7","9","7","1") = "9"
    & skf18("7","10","1","7","9","8","1") = "9"
    & skf18("7","10","1","7","9","9","1") = "9"
    & skf18("7","10","1","7","9","10","1") = "9"
    & skf18("7","10","1","7","10","1","1") = "9"
    & skf18("7","10","1","7","10","2","1") = "9"
    & skf18("7","10","1","7","10","3","1") = "9"
    & skf18("7","10","1","7","10","4","1") = "9"
    & skf18("7","10","1","7","10","5","1") = "9"
    & skf18("7","10","1","7","10","6","1") = "9"
    & skf18("7","10","1","7","10","7","1") = "9"
    & skf18("7","10","1","7","10","8","1") = "9"
    & skf18("7","10","1","7","10","9","1") = "9"
    & skf18("7","10","1","7","10","10","1") = "9"
    & skf18("7","10","1","8","1","1","1") = "9"
    & skf18("7","10","1","8","1","2","1") = "9"
    & skf18("7","10","1","8","1","3","1") = "9"
    & skf18("7","10","1","8","1","4","1") = "9"
    & skf18("7","10","1","8","1","5","1") = "9"
    & skf18("7","10","1","8","1","6","1") = "9"
    & skf18("7","10","1","8","1","7","1") = "9"
    & skf18("7","10","1","8","1","8","1") = "9"
    & skf18("7","10","1","8","1","9","1") = "9"
    & skf18("7","10","1","8","1","10","1") = "9"
    & skf18("7","10","1","8","2","1","1") = "9"
    & skf18("7","10","1","8","2","2","1") = "9"
    & skf18("7","10","1","8","2","3","1") = "9"
    & skf18("7","10","1","8","2","4","1") = "9"
    & skf18("7","10","1","8","2","5","1") = "9"
    & skf18("7","10","1","8","2","6","1") = "9"
    & skf18("7","10","1","8","2","7","1") = "9"
    & skf18("7","10","1","8","2","8","1") = "9"
    & skf18("7","10","1","8","2","9","1") = "9"
    & skf18("7","10","1","8","2","10","1") = "9"
    & skf18("7","10","1","8","3","1","1") = "9"
    & skf18("7","10","1","8","3","2","1") = "9"
    & skf18("7","10","1","8","3","3","1") = "9"
    & skf18("7","10","1","8","3","4","1") = "9"
    & skf18("7","10","1","8","3","5","1") = "9"
    & skf18("7","10","1","8","3","6","1") = "9"
    & skf18("7","10","1","8","3","7","1") = "9"
    & skf18("7","10","1","8","3","8","1") = "9"
    & skf18("7","10","1","8","3","9","1") = "9"
    & skf18("7","10","1","8","3","10","1") = "9"
    & skf18("7","10","1","8","4","1","1") = "9"
    & skf18("7","10","1","8","4","2","1") = "9"
    & skf18("7","10","1","8","4","3","1") = "9"
    & skf18("7","10","1","8","4","4","1") = "9"
    & skf18("7","10","1","8","4","5","1") = "9"
    & skf18("7","10","1","8","4","6","1") = "9"
    & skf18("7","10","1","8","4","7","1") = "9"
    & skf18("7","10","1","8","4","8","1") = "9"
    & skf18("7","10","1","8","4","9","1") = "9"
    & skf18("7","10","1","8","4","10","1") = "9"
    & skf18("7","10","1","8","5","1","1") = "9"
    & skf18("7","10","1","8","5","2","1") = "9"
    & skf18("7","10","1","8","5","3","1") = "9"
    & skf18("7","10","1","8","5","4","1") = "9"
    & skf18("7","10","1","8","5","5","1") = "9"
    & skf18("7","10","1","8","5","6","1") = "9"
    & skf18("7","10","1","8","5","7","1") = "9"
    & skf18("7","10","1","8","5","8","1") = "9"
    & skf18("7","10","1","8","5","9","1") = "9"
    & skf18("7","10","1","8","5","10","1") = "9"
    & skf18("7","10","1","8","6","1","1") = "9"
    & skf18("7","10","1","8","6","2","1") = "9"
    & skf18("7","10","1","8","6","3","1") = "9"
    & skf18("7","10","1","8","6","4","1") = "9"
    & skf18("7","10","1","8","6","5","1") = "9"
    & skf18("7","10","1","8","6","6","1") = "9"
    & skf18("7","10","1","8","6","7","1") = "9"
    & skf18("7","10","1","8","6","8","1") = "9"
    & skf18("7","10","1","8","6","9","1") = "9"
    & skf18("7","10","1","8","6","10","1") = "9"
    & skf18("7","10","1","8","7","1","1") = "9"
    & skf18("7","10","1","8","7","2","1") = "9"
    & skf18("7","10","1","8","7","3","1") = "9"
    & skf18("7","10","1","8","7","4","1") = "9"
    & skf18("7","10","1","8","7","5","1") = "9"
    & skf18("7","10","1","8","7","6","1") = "9"
    & skf18("7","10","1","8","7","7","1") = "9"
    & skf18("7","10","1","8","7","8","1") = "9"
    & skf18("7","10","1","8","7","9","1") = "9"
    & skf18("7","10","1","8","7","10","1") = "9"
    & skf18("7","10","1","8","8","1","1") = "9"
    & skf18("7","10","1","8","8","2","1") = "9"
    & skf18("7","10","1","8","8","3","1") = "9"
    & skf18("7","10","1","8","8","4","1") = "9"
    & skf18("7","10","1","8","8","5","1") = "9"
    & skf18("7","10","1","8","8","6","1") = "9"
    & skf18("7","10","1","8","8","7","1") = "9"
    & skf18("7","10","1","8","8","8","1") = "9"
    & skf18("7","10","1","8","8","9","1") = "9"
    & skf18("7","10","1","8","8","10","1") = "9"
    & skf18("7","10","1","8","9","1","1") = "9"
    & skf18("7","10","1","8","9","2","1") = "9"
    & skf18("7","10","1","8","9","3","1") = "9"
    & skf18("7","10","1","8","9","4","1") = "9"
    & skf18("7","10","1","8","9","5","1") = "9"
    & skf18("7","10","1","8","9","6","1") = "9"
    & skf18("7","10","1","8","9","7","1") = "9"
    & skf18("7","10","1","8","9","8","1") = "9"
    & skf18("7","10","1","8","9","9","1") = "9"
    & skf18("7","10","1","8","9","10","1") = "9"
    & skf18("7","10","1","8","10","1","1") = "9"
    & skf18("7","10","1","8","10","2","1") = "9"
    & skf18("7","10","1","8","10","3","1") = "9"
    & skf18("7","10","1","8","10","4","1") = "9"
    & skf18("7","10","1","8","10","5","1") = "9"
    & skf18("7","10","1","8","10","6","1") = "9"
    & skf18("7","10","1","8","10","7","1") = "9"
    & skf18("7","10","1","8","10","8","1") = "9"
    & skf18("7","10","1","8","10","9","1") = "9"
    & skf18("7","10","1","8","10","10","1") = "9"
    & skf18("7","10","1","9","1","1","1") = "9"
    & skf18("7","10","1","9","1","2","1") = "9"
    & skf18("7","10","1","9","1","3","1") = "9"
    & skf18("7","10","1","9","1","4","1") = "9"
    & skf18("7","10","1","9","1","5","1") = "9"
    & skf18("7","10","1","9","1","6","1") = "9"
    & skf18("7","10","1","9","1","7","1") = "9"
    & skf18("7","10","1","9","1","8","1") = "9"
    & skf18("7","10","1","9","1","9","1") = "9"
    & skf18("7","10","1","9","1","10","1") = "9"
    & skf18("7","10","1","9","2","1","1") = "9"
    & skf18("7","10","1","9","2","2","1") = "9"
    & skf18("7","10","1","9","2","3","1") = "9"
    & skf18("7","10","1","9","2","4","1") = "9"
    & skf18("7","10","1","9","2","5","1") = "9"
    & skf18("7","10","1","9","2","6","1") = "9"
    & skf18("7","10","1","9","2","7","1") = "9"
    & skf18("7","10","1","9","2","8","1") = "9"
    & skf18("7","10","1","9","2","9","1") = "9"
    & skf18("7","10","1","9","2","10","1") = "9"
    & skf18("7","10","1","9","3","1","1") = "9"
    & skf18("7","10","1","9","3","2","1") = "9"
    & skf18("7","10","1","9","3","3","1") = "9"
    & skf18("7","10","1","9","3","4","1") = "9"
    & skf18("7","10","1","9","3","5","1") = "9"
    & skf18("7","10","1","9","3","6","1") = "9"
    & skf18("7","10","1","9","3","7","1") = "9"
    & skf18("7","10","1","9","3","8","1") = "9"
    & skf18("7","10","1","9","3","9","1") = "9"
    & skf18("7","10","1","9","3","10","1") = "9"
    & skf18("7","10","1","9","4","1","1") = "9"
    & skf18("7","10","1","9","4","2","1") = "9"
    & skf18("7","10","1","9","4","3","1") = "9"
    & skf18("7","10","1","9","4","4","1") = "9"
    & skf18("7","10","1","9","4","5","1") = "9"
    & skf18("7","10","1","9","4","6","1") = "9"
    & skf18("7","10","1","9","4","7","1") = "9"
    & skf18("7","10","1","9","4","8","1") = "9"
    & skf18("7","10","1","9","4","9","1") = "9"
    & skf18("7","10","1","9","4","10","1") = "9"
    & skf18("7","10","1","9","5","1","1") = "9"
    & skf18("7","10","1","9","5","2","1") = "9"
    & skf18("7","10","1","9","5","3","1") = "9"
    & skf18("7","10","1","9","5","4","1") = "9"
    & skf18("7","10","1","9","5","5","1") = "9"
    & skf18("7","10","1","9","5","6","1") = "9"
    & skf18("7","10","1","9","5","7","1") = "9"
    & skf18("7","10","1","9","5","8","1") = "9"
    & skf18("7","10","1","9","5","9","1") = "9"
    & skf18("7","10","1","9","5","10","1") = "9"
    & skf18("7","10","1","9","6","1","1") = "9"
    & skf18("7","10","1","9","6","2","1") = "9"
    & skf18("7","10","1","9","6","3","1") = "9"
    & skf18("7","10","1","9","6","4","1") = "9"
    & skf18("7","10","1","9","6","5","1") = "9"
    & skf18("7","10","1","9","6","6","1") = "9"
    & skf18("7","10","1","9","6","7","1") = "9"
    & skf18("7","10","1","9","6","8","1") = "9"
    & skf18("7","10","1","9","6","9","1") = "9"
    & skf18("7","10","1","9","6","10","1") = "9"
    & skf18("7","10","1","9","7","1","1") = "9"
    & skf18("7","10","1","9","7","2","1") = "9"
    & skf18("7","10","1","9","7","3","1") = "9"
    & skf18("7","10","1","9","7","4","1") = "9"
    & skf18("7","10","1","9","7","5","1") = "9"
    & skf18("7","10","1","9","7","6","1") = "9"
    & skf18("7","10","1","9","7","7","1") = "9"
    & skf18("7","10","1","9","7","8","1") = "9"
    & skf18("7","10","1","9","7","9","1") = "9"
    & skf18("7","10","1","9","7","10","1") = "9"
    & skf18("7","10","1","9","8","1","1") = "9"
    & skf18("7","10","1","9","8","2","1") = "9"
    & skf18("7","10","1","9","8","3","1") = "9"
    & skf18("7","10","1","9","8","4","1") = "9"
    & skf18("7","10","1","9","8","5","1") = "9"
    & skf18("7","10","1","9","8","6","1") = "9"
    & skf18("7","10","1","9","8","7","1") = "9"
    & skf18("7","10","1","9","8","8","1") = "9"
    & skf18("7","10","1","9","8","9","1") = "9"
    & skf18("7","10","1","9","8","10","1") = "9"
    & skf18("7","10","1","9","9","1","1") = "9"
    & skf18("7","10","1","9","9","2","1") = "9"
    & skf18("7","10","1","9","9","3","1") = "9"
    & skf18("7","10","1","9","9","4","1") = "9"
    & skf18("7","10","1","9","9","5","1") = "9"
    & skf18("7","10","1","9","9","6","1") = "9"
    & skf18("7","10","1","9","9","7","1") = "9"
    & skf18("7","10","1","9","9","8","1") = "9"
    & skf18("7","10","1","9","9","9","1") = "9"
    & skf18("7","10","1","9","9","10","1") = "9"
    & skf18("7","10","1","9","10","1","1") = "9"
    & skf18("7","10","1","9","10","2","1") = "9"
    & skf18("7","10","1","9","10","3","1") = "9"
    & skf18("7","10","1","9","10","4","1") = "9"
    & skf18("7","10","1","9","10","5","1") = "9"
    & skf18("7","10","1","9","10","6","1") = "9"
    & skf18("7","10","1","9","10","7","1") = "9"
    & skf18("7","10","1","9","10","8","1") = "9"
    & skf18("7","10","1","9","10","9","1") = "9"
    & skf18("7","10","1","9","10","10","1") = "9"
    & skf18("7","10","1","10","1","1","1") = "9"
    & skf18("7","10","1","10","1","2","1") = "9"
    & skf18("7","10","1","10","1","3","1") = "9"
    & skf18("7","10","1","10","1","4","1") = "9"
    & skf18("7","10","1","10","1","5","1") = "9"
    & skf18("7","10","1","10","1","6","1") = "9"
    & skf18("7","10","1","10","1","7","1") = "9"
    & skf18("7","10","1","10","1","8","1") = "9"
    & skf18("7","10","1","10","1","9","1") = "9"
    & skf18("7","10","1","10","1","10","1") = "9"
    & skf18("7","10","1","10","2","1","1") = "9"
    & skf18("7","10","1","10","2","2","1") = "9"
    & skf18("7","10","1","10","2","3","1") = "9"
    & skf18("7","10","1","10","2","4","1") = "9"
    & skf18("7","10","1","10","2","5","1") = "9"
    & skf18("7","10","1","10","2","6","1") = "9"
    & skf18("7","10","1","10","2","7","1") = "9"
    & skf18("7","10","1","10","2","8","1") = "9"
    & skf18("7","10","1","10","2","9","1") = "9"
    & skf18("7","10","1","10","2","10","1") = "9"
    & skf18("7","10","1","10","3","1","1") = "9"
    & skf18("7","10","1","10","3","2","1") = "9"
    & skf18("7","10","1","10","3","3","1") = "9"
    & skf18("7","10","1","10","3","4","1") = "9"
    & skf18("7","10","1","10","3","5","1") = "9"
    & skf18("7","10","1","10","3","6","1") = "9"
    & skf18("7","10","1","10","3","7","1") = "9"
    & skf18("7","10","1","10","3","8","1") = "9"
    & skf18("7","10","1","10","3","9","1") = "9"
    & skf18("7","10","1","10","3","10","1") = "9"
    & skf18("7","10","1","10","4","1","1") = "9"
    & skf18("7","10","1","10","4","2","1") = "9"
    & skf18("7","10","1","10","4","3","1") = "9"
    & skf18("7","10","1","10","4","4","1") = "9"
    & skf18("7","10","1","10","4","5","1") = "9"
    & skf18("7","10","1","10","4","6","1") = "9"
    & skf18("7","10","1","10","4","7","1") = "9"
    & skf18("7","10","1","10","4","8","1") = "9"
    & skf18("7","10","1","10","4","9","1") = "9"
    & skf18("7","10","1","10","4","10","1") = "9"
    & skf18("7","10","1","10","5","1","1") = "9"
    & skf18("7","10","1","10","5","2","1") = "9"
    & skf18("7","10","1","10","5","3","1") = "9"
    & skf18("7","10","1","10","5","4","1") = "9"
    & skf18("7","10","1","10","5","5","1") = "9"
    & skf18("7","10","1","10","5","6","1") = "9"
    & skf18("7","10","1","10","5","7","1") = "9"
    & skf18("7","10","1","10","5","8","1") = "9"
    & skf18("7","10","1","10","5","9","1") = "9"
    & skf18("7","10","1","10","5","10","1") = "9"
    & skf18("7","10","1","10","6","1","1") = "9"
    & skf18("7","10","1","10","6","2","1") = "9"
    & skf18("7","10","1","10","6","3","1") = "9"
    & skf18("7","10","1","10","6","4","1") = "9"
    & skf18("7","10","1","10","6","5","1") = "9"
    & skf18("7","10","1","10","6","6","1") = "9"
    & skf18("7","10","1","10","6","7","1") = "9"
    & skf18("7","10","1","10","6","8","1") = "9"
    & skf18("7","10","1","10","6","9","1") = "9"
    & skf18("7","10","1","10","6","10","1") = "9"
    & skf18("7","10","1","10","7","1","1") = "9"
    & skf18("7","10","1","10","7","2","1") = "9"
    & skf18("7","10","1","10","7","3","1") = "9"
    & skf18("7","10","1","10","7","4","1") = "9"
    & skf18("7","10","1","10","7","5","1") = "9"
    & skf18("7","10","1","10","7","6","1") = "9"
    & skf18("7","10","1","10","7","7","1") = "9"
    & skf18("7","10","1","10","7","8","1") = "9"
    & skf18("7","10","1","10","7","9","1") = "9"
    & skf18("7","10","1","10","7","10","1") = "9"
    & skf18("7","10","1","10","8","1","1") = "9"
    & skf18("7","10","1","10","8","2","1") = "9"
    & skf18("7","10","1","10","8","3","1") = "9"
    & skf18("7","10","1","10","8","4","1") = "9"
    & skf18("7","10","1","10","8","5","1") = "9"
    & skf18("7","10","1","10","8","6","1") = "9"
    & skf18("7","10","1","10","8","7","1") = "9"
    & skf18("7","10","1","10","8","8","1") = "9"
    & skf18("7","10","1","10","8","9","1") = "9"
    & skf18("7","10","1","10","8","10","1") = "9"
    & skf18("7","10","1","10","9","1","1") = "9"
    & skf18("7","10","1","10","9","2","1") = "9"
    & skf18("7","10","1","10","9","3","1") = "9"
    & skf18("7","10","1","10","9","4","1") = "9"
    & skf18("7","10","1","10","9","5","1") = "9"
    & skf18("7","10","1","10","9","6","1") = "9"
    & skf18("7","10","1","10","9","7","1") = "9"
    & skf18("7","10","1","10","9","8","1") = "9"
    & skf18("7","10","1","10","9","9","1") = "9"
    & skf18("7","10","1","10","9","10","1") = "9"
    & skf18("7","10","1","10","10","1","1") = "9"
    & skf18("7","10","1","10","10","2","1") = "9"
    & skf18("7","10","1","10","10","3","1") = "9"
    & skf18("7","10","1","10","10","4","1") = "9"
    & skf18("7","10","1","10","10","5","1") = "9"
    & skf18("7","10","1","10","10","6","1") = "9"
    & skf18("7","10","1","10","10","7","1") = "9"
    & skf18("7","10","1","10","10","8","1") = "9"
    & skf18("7","10","1","10","10","9","1") = "9"
    & skf18("7","10","1","10","10","10","1") = "9"
    & skf18("7","10","2","1","1","1","1") = "9"
    & skf18("7","10","2","1","1","2","1") = "9"
    & skf18("7","10","2","1","1","3","1") = "9"
    & skf18("7","10","2","1","1","4","1") = "9"
    & skf18("7","10","2","1","1","5","1") = "9"
    & skf18("7","10","2","1","1","6","1") = "9"
    & skf18("7","10","2","1","1","7","1") = "9"
    & skf18("7","10","2","1","1","8","1") = "9"
    & skf18("7","10","2","1","1","9","1") = "9"
    & skf18("7","10","2","1","1","10","1") = "9"
    & skf18("7","10","2","1","2","1","1") = "9"
    & skf18("7","10","2","1","2","2","1") = "9"
    & skf18("7","10","2","1","2","3","1") = "9"
    & skf18("7","10","2","1","2","4","1") = "9"
    & skf18("7","10","2","1","2","5","1") = "9"
    & skf18("7","10","2","1","2","6","1") = "9"
    & skf18("7","10","2","1","2","7","1") = "9"
    & skf18("7","10","2","1","2","8","1") = "9"
    & skf18("7","10","2","1","2","9","1") = "9"
    & skf18("7","10","2","1","2","10","1") = "9"
    & skf18("7","10","2","1","3","1","1") = "9"
    & skf18("7","10","2","1","3","2","1") = "9"
    & skf18("7","10","2","1","3","3","1") = "9"
    & skf18("7","10","2","1","3","4","1") = "9"
    & skf18("7","10","2","1","3","5","1") = "9"
    & skf18("7","10","2","1","3","6","1") = "9"
    & skf18("7","10","2","1","3","7","1") = "9"
    & skf18("7","10","2","1","3","8","1") = "9"
    & skf18("7","10","2","1","3","9","1") = "9"
    & skf18("7","10","2","1","3","10","1") = "9"
    & skf18("7","10","2","1","4","1","1") = "9"
    & skf18("7","10","2","1","4","2","1") = "9"
    & skf18("7","10","2","1","4","3","1") = "9"
    & skf18("7","10","2","1","4","4","1") = "9"
    & skf18("7","10","2","1","4","5","1") = "9"
    & skf18("7","10","2","1","4","6","1") = "9"
    & skf18("7","10","2","1","4","7","1") = "9"
    & skf18("7","10","2","1","4","8","1") = "9"
    & skf18("7","10","2","1","4","9","1") = "9"
    & skf18("7","10","2","1","4","10","1") = "9"
    & skf18("7","10","2","1","5","1","1") = "9"
    & skf18("7","10","2","1","5","2","1") = "9"
    & skf18("7","10","2","1","5","3","1") = "9"
    & skf18("7","10","2","1","5","4","1") = "9"
    & skf18("7","10","2","1","5","5","1") = "9"
    & skf18("7","10","2","1","5","6","1") = "9"
    & skf18("7","10","2","1","5","7","1") = "9"
    & skf18("7","10","2","1","5","8","1") = "9"
    & skf18("7","10","2","1","5","9","1") = "9"
    & skf18("7","10","2","1","5","10","1") = "9"
    & skf18("7","10","2","1","6","1","1") = "9"
    & skf18("7","10","2","1","6","2","1") = "9"
    & skf18("7","10","2","1","6","3","1") = "9"
    & skf18("7","10","2","1","6","4","1") = "9"
    & skf18("7","10","2","1","6","5","1") = "9"
    & skf18("7","10","2","1","6","6","1") = "9"
    & skf18("7","10","2","1","6","7","1") = "9"
    & skf18("7","10","2","1","6","8","1") = "9"
    & skf18("7","10","2","1","6","9","1") = "9"
    & skf18("7","10","2","1","6","10","1") = "9"
    & skf18("7","10","2","1","7","1","1") = "9"
    & skf18("7","10","2","1","7","2","1") = "9"
    & skf18("7","10","2","1","7","3","1") = "9"
    & skf18("7","10","2","1","7","4","1") = "9"
    & skf18("7","10","2","1","7","5","1") = "9"
    & skf18("7","10","2","1","7","6","1") = "9"
    & skf18("7","10","2","1","7","7","1") = "9"
    & skf18("7","10","2","1","7","8","1") = "9"
    & skf18("7","10","2","1","7","9","1") = "9"
    & skf18("7","10","2","1","7","10","1") = "9"
    & skf18("7","10","2","1","8","1","1") = "9"
    & skf18("7","10","2","1","8","2","1") = "9"
    & skf18("7","10","2","1","8","3","1") = "9"
    & skf18("7","10","2","1","8","4","1") = "9"
    & skf18("7","10","2","1","8","5","1") = "9"
    & skf18("7","10","2","1","8","6","1") = "9"
    & skf18("7","10","2","1","8","7","1") = "9"
    & skf18("7","10","2","1","8","8","1") = "9"
    & skf18("7","10","2","1","8","9","1") = "9"
    & skf18("7","10","2","1","8","10","1") = "9"
    & skf18("7","10","2","1","9","1","1") = "9"
    & skf18("7","10","2","1","9","2","1") = "9"
    & skf18("7","10","2","1","9","3","1") = "9"
    & skf18("7","10","2","1","9","4","1") = "9"
    & skf18("7","10","2","1","9","5","1") = "9"
    & skf18("7","10","2","1","9","6","1") = "9"
    & skf18("7","10","2","1","9","7","1") = "9"
    & skf18("7","10","2","1","9","8","1") = "9"
    & skf18("7","10","2","1","9","9","1") = "9"
    & skf18("7","10","2","1","9","10","1") = "9"
    & skf18("7","10","2","1","10","1","1") = "9"
    & skf18("7","10","2","1","10","2","1") = "9"
    & skf18("7","10","2","1","10","3","1") = "9"
    & skf18("7","10","2","1","10","4","1") = "9"
    & skf18("7","10","2","1","10","5","1") = "9"
    & skf18("7","10","2","1","10","6","1") = "9"
    & skf18("7","10","2","1","10","7","1") = "9"
    & skf18("7","10","2","1","10","8","1") = "9"
    & skf18("7","10","2","1","10","9","1") = "9"
    & skf18("7","10","2","1","10","10","1") = "9"
    & skf18("7","10","2","2","1","1","1") = "9"
    & skf18("7","10","2","2","1","2","1") = "9"
    & skf18("7","10","2","2","1","3","1") = "9"
    & skf18("7","10","2","2","1","4","1") = "9"
    & skf18("7","10","2","2","1","5","1") = "9"
    & skf18("7","10","2","2","1","6","1") = "9"
    & skf18("7","10","2","2","1","7","1") = "9"
    & skf18("7","10","2","2","1","8","1") = "9"
    & skf18("7","10","2","2","1","9","1") = "9"
    & skf18("7","10","2","2","1","10","1") = "9"
    & skf18("7","10","2","2","2","1","1") = "9"
    & skf18("7","10","2","2","2","2","1") = "9"
    & skf18("7","10","2","2","2","3","1") = "9"
    & skf18("7","10","2","2","2","4","1") = "9"
    & skf18("7","10","2","2","2","5","1") = "9"
    & skf18("7","10","2","2","2","6","1") = "9"
    & skf18("7","10","2","2","2","7","1") = "9"
    & skf18("7","10","2","2","2","8","1") = "9"
    & skf18("7","10","2","2","2","9","1") = "9"
    & skf18("7","10","2","2","2","10","1") = "9"
    & skf18("7","10","2","2","3","1","1") = "9"
    & skf18("7","10","2","2","3","2","1") = "9"
    & skf18("7","10","2","2","3","3","1") = "9"
    & skf18("7","10","2","2","3","4","1") = "9"
    & skf18("7","10","2","2","3","5","1") = "9"
    & skf18("7","10","2","2","3","6","1") = "9"
    & skf18("7","10","2","2","3","7","1") = "9"
    & skf18("7","10","2","2","3","8","1") = "9"
    & skf18("7","10","2","2","3","9","1") = "9"
    & skf18("7","10","2","2","3","10","1") = "9"
    & skf18("7","10","2","2","4","1","1") = "9"
    & skf18("7","10","2","2","4","2","1") = "9"
    & skf18("7","10","2","2","4","3","1") = "9"
    & skf18("7","10","2","2","4","4","1") = "9"
    & skf18("7","10","2","2","4","5","1") = "9"
    & skf18("7","10","2","2","4","6","1") = "9"
    & skf18("7","10","2","2","4","7","1") = "9"
    & skf18("7","10","2","2","4","8","1") = "9"
    & skf18("7","10","2","2","4","9","1") = "9"
    & skf18("7","10","2","2","4","10","1") = "9"
    & skf18("7","10","2","2","5","1","1") = "9"
    & skf18("7","10","2","2","5","2","1") = "9"
    & skf18("7","10","2","2","5","3","1") = "9"
    & skf18("7","10","2","2","5","4","1") = "9"
    & skf18("7","10","2","2","5","5","1") = "9"
    & skf18("7","10","2","2","5","6","1") = "9"
    & skf18("7","10","2","2","5","7","1") = "9"
    & skf18("7","10","2","2","5","8","1") = "9"
    & skf18("7","10","2","2","5","9","1") = "9"
    & skf18("7","10","2","2","5","10","1") = "9"
    & skf18("7","10","2","2","6","1","1") = "9"
    & skf18("7","10","2","2","6","2","1") = "9"
    & skf18("7","10","2","2","6","3","1") = "9"
    & skf18("7","10","2","2","6","4","1") = "9"
    & skf18("7","10","2","2","6","5","1") = "9"
    & skf18("7","10","2","2","6","6","1") = "9"
    & skf18("7","10","2","2","6","7","1") = "9"
    & skf18("7","10","2","2","6","8","1") = "9"
    & skf18("7","10","2","2","6","9","1") = "9"
    & skf18("7","10","2","2","6","10","1") = "9"
    & skf18("7","10","2","2","7","1","1") = "9"
    & skf18("7","10","2","2","7","2","1") = "9"
    & skf18("7","10","2","2","7","3","1") = "9"
    & skf18("7","10","2","2","7","4","1") = "9"
    & skf18("7","10","2","2","7","5","1") = "9"
    & skf18("7","10","2","2","7","6","1") = "9"
    & skf18("7","10","2","2","7","7","1") = "9"
    & skf18("7","10","2","2","7","8","1") = "9"
    & skf18("7","10","2","2","7","9","1") = "9"
    & skf18("7","10","2","2","7","10","1") = "9"
    & skf18("7","10","2","2","8","1","1") = "9"
    & skf18("7","10","2","2","8","2","1") = "9"
    & skf18("7","10","2","2","8","3","1") = "9"
    & skf18("7","10","2","2","8","4","1") = "9"
    & skf18("7","10","2","2","8","5","1") = "9"
    & skf18("7","10","2","2","8","6","1") = "9"
    & skf18("7","10","2","2","8","7","1") = "9"
    & skf18("7","10","2","2","8","8","1") = "9"
    & skf18("7","10","2","2","8","9","1") = "9"
    & skf18("7","10","2","2","8","10","1") = "9"
    & skf18("7","10","2","2","9","1","1") = "9"
    & skf18("7","10","2","2","9","2","1") = "9"
    & skf18("7","10","2","2","9","3","1") = "9"
    & skf18("7","10","2","2","9","4","1") = "9"
    & skf18("7","10","2","2","9","5","1") = "9"
    & skf18("7","10","2","2","9","6","1") = "9"
    & skf18("7","10","2","2","9","7","1") = "9"
    & skf18("7","10","2","2","9","8","1") = "9"
    & skf18("7","10","2","2","9","9","1") = "9"
    & skf18("7","10","2","2","9","10","1") = "9"
    & skf18("7","10","2","2","10","1","1") = "9"
    & skf18("7","10","2","2","10","2","1") = "9"
    & skf18("7","10","2","2","10","3","1") = "9"
    & skf18("7","10","2","2","10","4","1") = "9"
    & skf18("7","10","2","2","10","5","1") = "9"
    & skf18("7","10","2","2","10","6","1") = "9"
    & skf18("7","10","2","2","10","7","1") = "9"
    & skf18("7","10","2","2","10","8","1") = "9"
    & skf18("7","10","2","2","10","9","1") = "9"
    & skf18("7","10","2","2","10","10","1") = "9"
    & skf18("7","10","2","3","1","1","1") = "9"
    & skf18("7","10","2","3","1","2","1") = "9"
    & skf18("7","10","2","3","1","3","1") = "9"
    & skf18("7","10","2","3","1","4","1") = "9"
    & skf18("7","10","2","3","1","5","1") = "9"
    & skf18("7","10","2","3","1","6","1") = "9"
    & skf18("7","10","2","3","1","7","1") = "9"
    & skf18("7","10","2","3","1","8","1") = "9"
    & skf18("7","10","2","3","1","9","1") = "9"
    & skf18("7","10","2","3","1","10","1") = "9"
    & skf18("7","10","2","3","2","1","1") = "9"
    & skf18("7","10","2","3","2","2","1") = "9"
    & skf18("7","10","2","3","2","3","1") = "9"
    & skf18("7","10","2","3","2","4","1") = "9"
    & skf18("7","10","2","3","2","5","1") = "9"
    & skf18("7","10","2","3","2","6","1") = "9"
    & skf18("7","10","2","3","2","7","1") = "9"
    & skf18("7","10","2","3","2","8","1") = "9"
    & skf18("7","10","2","3","2","9","1") = "9"
    & skf18("7","10","2","3","2","10","1") = "9"
    & skf18("7","10","2","3","3","1","1") = "9"
    & skf18("7","10","2","3","3","2","1") = "9"
    & skf18("7","10","2","3","3","3","1") = "9"
    & skf18("7","10","2","3","3","4","1") = "9"
    & skf18("7","10","2","3","3","5","1") = "9"
    & skf18("7","10","2","3","3","6","1") = "9"
    & skf18("7","10","2","3","3","7","1") = "9"
    & skf18("7","10","2","3","3","8","1") = "9"
    & skf18("7","10","2","3","3","9","1") = "9"
    & skf18("7","10","2","3","3","10","1") = "9"
    & skf18("7","10","2","3","4","1","1") = "9"
    & skf18("7","10","2","3","4","2","1") = "9"
    & skf18("7","10","2","3","4","3","1") = "9"
    & skf18("7","10","2","3","4","4","1") = "9"
    & skf18("7","10","2","3","4","5","1") = "9"
    & skf18("7","10","2","3","4","6","1") = "9"
    & skf18("7","10","2","3","4","7","1") = "9"
    & skf18("7","10","2","3","4","8","1") = "9"
    & skf18("7","10","2","3","4","9","1") = "9"
    & skf18("7","10","2","3","4","10","1") = "9"
    & skf18("7","10","2","3","5","1","1") = "9"
    & skf18("7","10","2","3","5","2","1") = "9"
    & skf18("7","10","2","3","5","3","1") = "9"
    & skf18("7","10","2","3","5","4","1") = "9"
    & skf18("7","10","2","3","5","5","1") = "9"
    & skf18("7","10","2","3","5","6","1") = "9"
    & skf18("7","10","2","3","5","7","1") = "9"
    & skf18("7","10","2","3","5","8","1") = "9"
    & skf18("7","10","2","3","5","9","1") = "9"
    & skf18("7","10","2","3","5","10","1") = "9"
    & skf18("7","10","2","3","6","1","1") = "9"
    & skf18("7","10","2","3","6","2","1") = "9"
    & skf18("7","10","2","3","6","3","1") = "9"
    & skf18("7","10","2","3","6","4","1") = "9"
    & skf18("7","10","2","3","6","5","1") = "9"
    & skf18("7","10","2","3","6","6","1") = "9"
    & skf18("7","10","2","3","6","7","1") = "9"
    & skf18("7","10","2","3","6","8","1") = "9"
    & skf18("7","10","2","3","6","9","1") = "9"
    & skf18("7","10","2","3","6","10","1") = "9"
    & skf18("7","10","2","3","7","1","1") = "9"
    & skf18("7","10","2","3","7","2","1") = "9"
    & skf18("7","10","2","3","7","3","1") = "9"
    & skf18("7","10","2","3","7","4","1") = "9"
    & skf18("7","10","2","3","7","5","1") = "9"
    & skf18("7","10","2","3","7","6","1") = "9"
    & skf18("7","10","2","3","7","7","1") = "9"
    & skf18("7","10","2","3","7","8","1") = "9"
    & skf18("7","10","2","3","7","9","1") = "9"
    & skf18("7","10","2","3","7","10","1") = "9"
    & skf18("7","10","2","3","8","1","1") = "9"
    & skf18("7","10","2","3","8","2","1") = "9"
    & skf18("7","10","2","3","8","3","1") = "9"
    & skf18("7","10","2","3","8","4","1") = "9"
    & skf18("7","10","2","3","8","5","1") = "9"
    & skf18("7","10","2","3","8","6","1") = "9"
    & skf18("7","10","2","3","8","7","1") = "9"
    & skf18("7","10","2","3","8","8","1") = "9"
    & skf18("7","10","2","3","8","9","1") = "9"
    & skf18("7","10","2","3","8","10","1") = "9"
    & skf18("7","10","2","3","9","1","1") = "9"
    & skf18("7","10","2","3","9","2","1") = "9"
    & skf18("7","10","2","3","9","3","1") = "9"
    & skf18("7","10","2","3","9","4","1") = "9"
    & skf18("7","10","2","3","9","5","1") = "9"
    & skf18("7","10","2","3","9","6","1") = "9"
    & skf18("7","10","2","3","9","7","1") = "9"
    & skf18("7","10","2","3","9","8","1") = "9"
    & skf18("7","10","2","3","9","9","1") = "9"
    & skf18("7","10","2","3","9","10","1") = "9"
    & skf18("7","10","2","3","10","1","1") = "9"
    & skf18("7","10","2","3","10","2","1") = "9"
    & skf18("7","10","2","3","10","3","1") = "9"
    & skf18("7","10","2","3","10","4","1") = "9"
    & skf18("7","10","2","3","10","5","1") = "9"
    & skf18("7","10","2","3","10","6","1") = "9"
    & skf18("7","10","2","3","10","7","1") = "9"
    & skf18("7","10","2","3","10","8","1") = "9"
    & skf18("7","10","2","3","10","9","1") = "9"
    & skf18("7","10","2","3","10","10","1") = "9"
    & skf18("7","10","2","4","1","1","1") = "9"
    & skf18("7","10","2","4","1","2","1") = "9"
    & skf18("7","10","2","4","1","3","1") = "9"
    & skf18("7","10","2","4","1","4","1") = "9"
    & skf18("7","10","2","4","1","5","1") = "9"
    & skf18("7","10","2","4","1","6","1") = "9"
    & skf18("7","10","2","4","1","7","1") = "9"
    & skf18("7","10","2","4","1","8","1") = "9"
    & skf18("7","10","2","4","1","9","1") = "9"
    & skf18("7","10","2","4","1","10","1") = "9"
    & skf18("7","10","2","4","2","1","1") = "9"
    & skf18("7","10","2","4","2","2","1") = "9"
    & skf18("7","10","2","4","2","3","1") = "9"
    & skf18("7","10","2","4","2","4","1") = "9"
    & skf18("7","10","2","4","2","5","1") = "9"
    & skf18("7","10","2","4","2","6","1") = "9"
    & skf18("7","10","2","4","2","7","1") = "9"
    & skf18("7","10","2","4","2","8","1") = "9"
    & skf18("7","10","2","4","2","9","1") = "9"
    & skf18("7","10","2","4","2","10","1") = "9"
    & skf18("7","10","2","4","3","1","1") = "9"
    & skf18("7","10","2","4","3","2","1") = "9"
    & skf18("7","10","2","4","3","3","1") = "9"
    & skf18("7","10","2","4","3","4","1") = "9"
    & skf18("7","10","2","4","3","5","1") = "9"
    & skf18("7","10","2","4","3","6","1") = "9"
    & skf18("7","10","2","4","3","7","1") = "9"
    & skf18("7","10","2","4","3","8","1") = "9"
    & skf18("7","10","2","4","3","9","1") = "9"
    & skf18("7","10","2","4","3","10","1") = "9"
    & skf18("7","10","2","4","4","1","1") = "9"
    & skf18("7","10","2","4","4","2","1") = "9"
    & skf18("7","10","2","4","4","3","1") = "9"
    & skf18("7","10","2","4","4","4","1") = "9"
    & skf18("7","10","2","4","4","5","1") = "9"
    & skf18("7","10","2","4","4","6","1") = "9"
    & skf18("7","10","2","4","4","7","1") = "9"
    & skf18("7","10","2","4","4","8","1") = "9"
    & skf18("7","10","2","4","4","9","1") = "9"
    & skf18("7","10","2","4","4","10","1") = "9"
    & skf18("7","10","2","4","5","1","1") = "9"
    & skf18("7","10","2","4","5","2","1") = "9"
    & skf18("7","10","2","4","5","3","1") = "9"
    & skf18("7","10","2","4","5","4","1") = "9"
    & skf18("7","10","2","4","5","5","1") = "9"
    & skf18("7","10","2","4","5","6","1") = "9"
    & skf18("7","10","2","4","5","7","1") = "9"
    & skf18("7","10","2","4","5","8","1") = "9"
    & skf18("7","10","2","4","5","9","1") = "9"
    & skf18("7","10","2","4","5","10","1") = "9"
    & skf18("7","10","2","4","6","1","1") = "9"
    & skf18("7","10","2","4","6","2","1") = "9"
    & skf18("7","10","2","4","6","3","1") = "9"
    & skf18("7","10","2","4","6","4","1") = "9"
    & skf18("7","10","2","4","6","5","1") = "9"
    & skf18("7","10","2","4","6","6","1") = "9"
    & skf18("7","10","2","4","6","7","1") = "9"
    & skf18("7","10","2","4","6","8","1") = "9"
    & skf18("7","10","2","4","6","9","1") = "9"
    & skf18("7","10","2","4","6","10","1") = "9"
    & skf18("7","10","2","4","7","1","1") = "9"
    & skf18("7","10","2","4","7","2","1") = "9"
    & skf18("7","10","2","4","7","3","1") = "9"
    & skf18("7","10","2","4","7","4","1") = "9"
    & skf18("7","10","2","4","7","5","1") = "9"
    & skf18("7","10","2","4","7","6","1") = "9"
    & skf18("7","10","2","4","7","7","1") = "9"
    & skf18("7","10","2","4","7","8","1") = "9"
    & skf18("7","10","2","4","7","9","1") = "9"
    & skf18("7","10","2","4","7","10","1") = "9"
    & skf18("7","10","2","4","8","1","1") = "9"
    & skf18("7","10","2","4","8","2","1") = "9"
    & skf18("7","10","2","4","8","3","1") = "9"
    & skf18("7","10","2","4","8","4","1") = "9"
    & skf18("7","10","2","4","8","5","1") = "9"
    & skf18("7","10","2","4","8","6","1") = "9"
    & skf18("7","10","2","4","8","7","1") = "9"
    & skf18("7","10","2","4","8","8","1") = "9"
    & skf18("7","10","2","4","8","9","1") = "9"
    & skf18("7","10","2","4","8","10","1") = "9"
    & skf18("7","10","2","4","9","1","1") = "9"
    & skf18("7","10","2","4","9","2","1") = "9"
    & skf18("7","10","2","4","9","3","1") = "9"
    & skf18("7","10","2","4","9","4","1") = "9"
    & skf18("7","10","2","4","9","5","1") = "9"
    & skf18("7","10","2","4","9","6","1") = "9"
    & skf18("7","10","2","4","9","7","1") = "9"
    & skf18("7","10","2","4","9","8","1") = "9"
    & skf18("7","10","2","4","9","9","1") = "9"
    & skf18("7","10","2","4","9","10","1") = "9"
    & skf18("7","10","2","4","10","1","1") = "9"
    & skf18("7","10","2","4","10","2","1") = "9"
    & skf18("7","10","2","4","10","3","1") = "9"
    & skf18("7","10","2","4","10","4","1") = "9"
    & skf18("7","10","2","4","10","5","1") = "9"
    & skf18("7","10","2","4","10","6","1") = "9"
    & skf18("7","10","2","4","10","7","1") = "9"
    & skf18("7","10","2","4","10","8","1") = "9"
    & skf18("7","10","2","4","10","9","1") = "9"
    & skf18("7","10","2","4","10","10","1") = "9"
    & skf18("7","10","2","5","1","1","1") = "9"
    & skf18("7","10","2","5","1","2","1") = "9"
    & skf18("7","10","2","5","1","3","1") = "9"
    & skf18("7","10","2","5","1","4","1") = "9"
    & skf18("7","10","2","5","1","5","1") = "9"
    & skf18("7","10","2","5","1","6","1") = "9"
    & skf18("7","10","2","5","1","7","1") = "9"
    & skf18("7","10","2","5","1","8","1") = "9"
    & skf18("7","10","2","5","1","9","1") = "9"
    & skf18("7","10","2","5","1","10","1") = "9"
    & skf18("7","10","2","5","2","1","1") = "9"
    & skf18("7","10","2","5","2","2","1") = "9"
    & skf18("7","10","2","5","2","3","1") = "9"
    & skf18("7","10","2","5","2","4","1") = "9"
    & skf18("7","10","2","5","2","5","1") = "9"
    & skf18("7","10","2","5","2","6","1") = "9"
    & skf18("7","10","2","5","2","7","1") = "9"
    & skf18("7","10","2","5","2","8","1") = "9"
    & skf18("7","10","2","5","2","9","1") = "9"
    & skf18("7","10","2","5","2","10","1") = "9"
    & skf18("7","10","2","5","3","1","1") = "9"
    & skf18("7","10","2","5","3","2","1") = "9"
    & skf18("7","10","2","5","3","3","1") = "9"
    & skf18("7","10","2","5","3","4","1") = "9"
    & skf18("7","10","2","5","3","5","1") = "9"
    & skf18("7","10","2","5","3","6","1") = "9"
    & skf18("7","10","2","5","3","7","1") = "9"
    & skf18("7","10","2","5","3","8","1") = "9"
    & skf18("7","10","2","5","3","9","1") = "9"
    & skf18("7","10","2","5","3","10","1") = "9"
    & skf18("7","10","2","5","4","1","1") = "9"
    & skf18("7","10","2","5","4","2","1") = "9"
    & skf18("7","10","2","5","4","3","1") = "9"
    & skf18("7","10","2","5","4","4","1") = "9"
    & skf18("7","10","2","5","4","5","1") = "9"
    & skf18("7","10","2","5","4","6","1") = "9"
    & skf18("7","10","2","5","4","7","1") = "9"
    & skf18("7","10","2","5","4","8","1") = "9"
    & skf18("7","10","2","5","4","9","1") = "9"
    & skf18("7","10","2","5","4","10","1") = "9"
    & skf18("7","10","2","5","5","1","1") = "9"
    & skf18("7","10","2","5","5","2","1") = "9"
    & skf18("7","10","2","5","5","3","1") = "9"
    & skf18("7","10","2","5","5","4","1") = "9"
    & skf18("7","10","2","5","5","5","1") = "9"
    & skf18("7","10","2","5","5","6","1") = "9"
    & skf18("7","10","2","5","5","7","1") = "9"
    & skf18("7","10","2","5","5","8","1") = "9"
    & skf18("7","10","2","5","5","9","1") = "9"
    & skf18("7","10","2","5","5","10","1") = "9"
    & skf18("7","10","2","5","6","1","1") = "9"
    & skf18("7","10","2","5","6","2","1") = "9"
    & skf18("7","10","2","5","6","3","1") = "9"
    & skf18("7","10","2","5","6","4","1") = "9"
    & skf18("7","10","2","5","6","5","1") = "9"
    & skf18("7","10","2","5","6","6","1") = "9"
    & skf18("7","10","2","5","6","7","1") = "9"
    & skf18("7","10","2","5","6","8","1") = "9"
    & skf18("7","10","2","5","6","9","1") = "9"
    & skf18("7","10","2","5","6","10","1") = "9"
    & skf18("7","10","2","5","7","1","1") = "9"
    & skf18("7","10","2","5","7","2","1") = "9"
    & skf18("7","10","2","5","7","3","1") = "9"
    & skf18("7","10","2","5","7","4","1") = "9"
    & skf18("7","10","2","5","7","5","1") = "9"
    & skf18("7","10","2","5","7","6","1") = "9"
    & skf18("7","10","2","5","7","7","1") = "9"
    & skf18("7","10","2","5","7","8","1") = "9"
    & skf18("7","10","2","5","7","9","1") = "9"
    & skf18("7","10","2","5","7","10","1") = "9"
    & skf18("7","10","2","5","8","1","1") = "9"
    & skf18("7","10","2","5","8","2","1") = "9"
    & skf18("7","10","2","5","8","3","1") = "9"
    & skf18("7","10","2","5","8","4","1") = "9"
    & skf18("7","10","2","5","8","5","1") = "9"
    & skf18("7","10","2","5","8","6","1") = "9"
    & skf18("7","10","2","5","8","7","1") = "9"
    & skf18("7","10","2","5","8","8","1") = "9"
    & skf18("7","10","2","5","8","9","1") = "9"
    & skf18("7","10","2","5","8","10","1") = "9"
    & skf18("7","10","2","5","9","1","1") = "9"
    & skf18("7","10","2","5","9","2","1") = "9"
    & skf18("7","10","2","5","9","3","1") = "9"
    & skf18("7","10","2","5","9","4","1") = "9"
    & skf18("7","10","2","5","9","5","1") = "9"
    & skf18("7","10","2","5","9","6","1") = "9"
    & skf18("7","10","2","5","9","7","1") = "9"
    & skf18("7","10","2","5","9","8","1") = "9"
    & skf18("7","10","2","5","9","9","1") = "9"
    & skf18("7","10","2","5","9","10","1") = "9"
    & skf18("7","10","2","5","10","1","1") = "9"
    & skf18("7","10","2","5","10","2","1") = "9"
    & skf18("7","10","2","5","10","3","1") = "9"
    & skf18("7","10","2","5","10","4","1") = "9"
    & skf18("7","10","2","5","10","5","1") = "9"
    & skf18("7","10","2","5","10","6","1") = "9"
    & skf18("7","10","2","5","10","7","1") = "9"
    & skf18("7","10","2","5","10","8","1") = "9"
    & skf18("7","10","2","5","10","9","1") = "9"
    & skf18("7","10","2","5","10","10","1") = "9"
    & skf18("7","10","2","6","1","1","1") = "9"
    & skf18("7","10","2","6","1","2","1") = "9"
    & skf18("7","10","2","6","1","3","1") = "9"
    & skf18("7","10","2","6","1","4","1") = "9"
    & skf18("7","10","2","6","1","5","1") = "9"
    & skf18("7","10","2","6","1","6","1") = "9"
    & skf18("7","10","2","6","1","7","1") = "9"
    & skf18("7","10","2","6","1","8","1") = "9"
    & skf18("7","10","2","6","1","9","1") = "9"
    & skf18("7","10","2","6","1","10","1") = "9"
    & skf18("7","10","2","6","2","1","1") = "9"
    & skf18("7","10","2","6","2","2","1") = "9"
    & skf18("7","10","2","6","2","3","1") = "9"
    & skf18("7","10","2","6","2","4","1") = "9"
    & skf18("7","10","2","6","2","5","1") = "9"
    & skf18("7","10","2","6","2","6","1") = "9"
    & skf18("7","10","2","6","2","7","1") = "9"
    & skf18("7","10","2","6","2","8","1") = "9"
    & skf18("7","10","2","6","2","9","1") = "9"
    & skf18("7","10","2","6","2","10","1") = "9"
    & skf18("7","10","2","6","3","1","1") = "9"
    & skf18("7","10","2","6","3","2","1") = "9"
    & skf18("7","10","2","6","3","3","1") = "9"
    & skf18("7","10","2","6","3","4","1") = "9"
    & skf18("7","10","2","6","3","5","1") = "9"
    & skf18("7","10","2","6","3","6","1") = "9"
    & skf18("7","10","2","6","3","7","1") = "9"
    & skf18("7","10","2","6","3","8","1") = "9"
    & skf18("7","10","2","6","3","9","1") = "9"
    & skf18("7","10","2","6","3","10","1") = "9"
    & skf18("7","10","2","6","4","1","1") = "9"
    & skf18("7","10","2","6","4","2","1") = "9"
    & skf18("7","10","2","6","4","3","1") = "9"
    & skf18("7","10","2","6","4","4","1") = "9"
    & skf18("7","10","2","6","4","5","1") = "9"
    & skf18("7","10","2","6","4","6","1") = "9"
    & skf18("7","10","2","6","4","7","1") = "9"
    & skf18("7","10","2","6","4","8","1") = "9"
    & skf18("7","10","2","6","4","9","1") = "9"
    & skf18("7","10","2","6","4","10","1") = "9"
    & skf18("7","10","2","6","5","1","1") = "9"
    & skf18("7","10","2","6","5","2","1") = "9"
    & skf18("7","10","2","6","5","3","1") = "9"
    & skf18("7","10","2","6","5","4","1") = "9"
    & skf18("7","10","2","6","5","5","1") = "9"
    & skf18("7","10","2","6","5","6","1") = "9"
    & skf18("7","10","2","6","5","7","1") = "9"
    & skf18("7","10","2","6","5","8","1") = "9"
    & skf18("7","10","2","6","5","9","1") = "9"
    & skf18("7","10","2","6","5","10","1") = "9"
    & skf18("7","10","2","6","6","1","1") = "9"
    & skf18("7","10","2","6","6","2","1") = "9"
    & skf18("7","10","2","6","6","3","1") = "9"
    & skf18("7","10","2","6","6","4","1") = "9"
    & skf18("7","10","2","6","6","5","1") = "9"
    & skf18("7","10","2","6","6","6","1") = "9"
    & skf18("7","10","2","6","6","7","1") = "9"
    & skf18("7","10","2","6","6","8","1") = "9"
    & skf18("7","10","2","6","6","9","1") = "9"
    & skf18("7","10","2","6","6","10","1") = "9"
    & skf18("7","10","2","6","7","1","1") = "9"
    & skf18("7","10","2","6","7","2","1") = "9"
    & skf18("7","10","2","6","7","3","1") = "9"
    & skf18("7","10","2","6","7","4","1") = "9"
    & skf18("7","10","2","6","7","5","1") = "9"
    & skf18("7","10","2","6","7","6","1") = "9"
    & skf18("7","10","2","6","7","7","1") = "9"
    & skf18("7","10","2","6","7","8","1") = "9"
    & skf18("7","10","2","6","7","9","1") = "9"
    & skf18("7","10","2","6","7","10","1") = "9"
    & skf18("7","10","2","6","8","1","1") = "9"
    & skf18("7","10","2","6","8","2","1") = "9"
    & skf18("7","10","2","6","8","3","1") = "9"
    & skf18("7","10","2","6","8","4","1") = "9"
    & skf18("7","10","2","6","8","5","1") = "9"
    & skf18("7","10","2","6","8","6","1") = "9"
    & skf18("7","10","2","6","8","7","1") = "9"
    & skf18("7","10","2","6","8","8","1") = "9"
    & skf18("7","10","2","6","8","9","1") = "9"
    & skf18("7","10","2","6","8","10","1") = "9"
    & skf18("7","10","2","6","9","1","1") = "9"
    & skf18("7","10","2","6","9","2","1") = "9"
    & skf18("7","10","2","6","9","3","1") = "9"
    & skf18("7","10","2","6","9","4","1") = "9"
    & skf18("7","10","2","6","9","5","1") = "9"
    & skf18("7","10","2","6","9","6","1") = "9"
    & skf18("7","10","2","6","9","7","1") = "9"
    & skf18("7","10","2","6","9","8","1") = "9"
    & skf18("7","10","2","6","9","9","1") = "9"
    & skf18("7","10","2","6","9","10","1") = "9"
    & skf18("7","10","2","6","10","1","1") = "9"
    & skf18("7","10","2","6","10","2","1") = "9"
    & skf18("7","10","2","6","10","3","1") = "9"
    & skf18("7","10","2","6","10","4","1") = "9"
    & skf18("7","10","2","6","10","5","1") = "9"
    & skf18("7","10","2","6","10","6","1") = "9"
    & skf18("7","10","2","6","10","7","1") = "9"
    & skf18("7","10","2","6","10","8","1") = "9"
    & skf18("7","10","2","6","10","9","1") = "9"
    & skf18("7","10","2","6","10","10","1") = "9"
    & skf18("7","10","2","7","1","1","1") = "9"
    & skf18("7","10","2","7","1","2","1") = "9"
    & skf18("7","10","2","7","1","3","1") = "9"
    & skf18("7","10","2","7","1","4","1") = "9"
    & skf18("7","10","2","7","1","5","1") = "9"
    & skf18("7","10","2","7","1","6","1") = "9"
    & skf18("7","10","2","7","1","7","1") = "9"
    & skf18("7","10","2","7","1","8","1") = "9"
    & skf18("7","10","2","7","1","9","1") = "9"
    & skf18("7","10","2","7","1","10","1") = "9"
    & skf18("7","10","2","7","2","1","1") = "9"
    & skf18("7","10","2","7","2","2","1") = "9"
    & skf18("7","10","2","7","2","3","1") = "9"
    & skf18("7","10","2","7","2","4","1") = "9"
    & skf18("7","10","2","7","2","5","1") = "9"
    & skf18("7","10","2","7","2","6","1") = "9"
    & skf18("7","10","2","7","2","7","1") = "9"
    & skf18("7","10","2","7","2","8","1") = "9"
    & skf18("7","10","2","7","2","9","1") = "9"
    & skf18("7","10","2","7","2","10","1") = "9"
    & skf18("7","10","2","7","3","1","1") = "9"
    & skf18("7","10","2","7","3","2","1") = "9"
    & skf18("7","10","2","7","3","3","1") = "9"
    & skf18("7","10","2","7","3","4","1") = "9"
    & skf18("7","10","2","7","3","5","1") = "9"
    & skf18("7","10","2","7","3","6","1") = "9"
    & skf18("7","10","2","7","3","7","1") = "9"
    & skf18("7","10","2","7","3","8","1") = "9"
    & skf18("7","10","2","7","3","9","1") = "9"
    & skf18("7","10","2","7","3","10","1") = "9"
    & skf18("7","10","2","7","4","1","1") = "9"
    & skf18("7","10","2","7","4","2","1") = "9"
    & skf18("7","10","2","7","4","3","1") = "9"
    & skf18("7","10","2","7","4","4","1") = "9"
    & skf18("7","10","2","7","4","5","1") = "9"
    & skf18("7","10","2","7","4","6","1") = "9"
    & skf18("7","10","2","7","4","7","1") = "9"
    & skf18("7","10","2","7","4","8","1") = "9"
    & skf18("7","10","2","7","4","9","1") = "9"
    & skf18("7","10","2","7","4","10","1") = "9"
    & skf18("7","10","2","7","5","1","1") = "9"
    & skf18("7","10","2","7","5","2","1") = "9"
    & skf18("7","10","2","7","5","3","1") = "9"
    & skf18("7","10","2","7","5","4","1") = "9"
    & skf18("7","10","2","7","5","5","1") = "9"
    & skf18("7","10","2","7","5","6","1") = "9"
    & skf18("7","10","2","7","5","7","1") = "9"
    & skf18("7","10","2","7","5","8","1") = "9"
    & skf18("7","10","2","7","5","9","1") = "9"
    & skf18("7","10","2","7","5","10","1") = "9"
    & skf18("7","10","2","7","6","1","1") = "9"
    & skf18("7","10","2","7","6","2","1") = "9"
    & skf18("7","10","2","7","6","3","1") = "9"
    & skf18("7","10","2","7","6","4","1") = "9"
    & skf18("7","10","2","7","6","5","1") = "9"
    & skf18("7","10","2","7","6","6","1") = "9"
    & skf18("7","10","2","7","6","7","1") = "9"
    & skf18("7","10","2","7","6","8","1") = "9"
    & skf18("7","10","2","7","6","9","1") = "9"
    & skf18("7","10","2","7","6","10","1") = "9"
    & skf18("7","10","2","7","7","1","1") = "9"
    & skf18("7","10","2","7","7","2","1") = "9"
    & skf18("7","10","2","7","7","3","1") = "9"
    & skf18("7","10","2","7","7","4","1") = "9"
    & skf18("7","10","2","7","7","5","1") = "9"
    & skf18("7","10","2","7","7","6","1") = "9"
    & skf18("7","10","2","7","7","7","1") = "9"
    & skf18("7","10","2","7","7","8","1") = "9"
    & skf18("7","10","2","7","7","9","1") = "9"
    & skf18("7","10","2","7","7","10","1") = "9"
    & skf18("7","10","2","7","8","1","1") = "9"
    & skf18("7","10","2","7","8","2","1") = "9"
    & skf18("7","10","2","7","8","3","1") = "9"
    & skf18("7","10","2","7","8","4","1") = "9"
    & skf18("7","10","2","7","8","5","1") = "9"
    & skf18("7","10","2","7","8","6","1") = "9"
    & skf18("7","10","2","7","8","7","1") = "9"
    & skf18("7","10","2","7","8","8","1") = "9"
    & skf18("7","10","2","7","8","9","1") = "9"
    & skf18("7","10","2","7","8","10","1") = "9"
    & skf18("7","10","2","7","9","1","1") = "9"
    & skf18("7","10","2","7","9","2","1") = "9"
    & skf18("7","10","2","7","9","3","1") = "9"
    & skf18("7","10","2","7","9","4","1") = "9"
    & skf18("7","10","2","7","9","5","1") = "9"
    & skf18("7","10","2","7","9","6","1") = "9"
    & skf18("7","10","2","7","9","7","1") = "9"
    & skf18("7","10","2","7","9","8","1") = "9"
    & skf18("7","10","2","7","9","9","1") = "9"
    & skf18("7","10","2","7","9","10","1") = "9"
    & skf18("7","10","2","7","10","1","1") = "9"
    & skf18("7","10","2","7","10","2","1") = "9"
    & skf18("7","10","2","7","10","3","1") = "9"
    & skf18("7","10","2","7","10","4","1") = "9"
    & skf18("7","10","2","7","10","5","1") = "9"
    & skf18("7","10","2","7","10","6","1") = "9"
    & skf18("7","10","2","7","10","7","1") = "9"
    & skf18("7","10","2","7","10","8","1") = "9"
    & skf18("7","10","2","7","10","9","1") = "9"
    & skf18("7","10","2","7","10","10","1") = "9"
    & skf18("7","10","2","8","1","1","1") = "9"
    & skf18("7","10","2","8","1","2","1") = "9"
    & skf18("7","10","2","8","1","3","1") = "9"
    & skf18("7","10","2","8","1","4","1") = "9"
    & skf18("7","10","2","8","1","5","1") = "9"
    & skf18("7","10","2","8","1","6","1") = "9"
    & skf18("7","10","2","8","1","7","1") = "9"
    & skf18("7","10","2","8","1","8","1") = "9"
    & skf18("7","10","2","8","1","9","1") = "9"
    & skf18("7","10","2","8","1","10","1") = "9"
    & skf18("7","10","2","8","2","1","1") = "9"
    & skf18("7","10","2","8","2","2","1") = "9"
    & skf18("7","10","2","8","2","3","1") = "9"
    & skf18("7","10","2","8","2","4","1") = "9"
    & skf18("7","10","2","8","2","5","1") = "9"
    & skf18("7","10","2","8","2","6","1") = "9"
    & skf18("7","10","2","8","2","7","1") = "9"
    & skf18("7","10","2","8","2","8","1") = "9"
    & skf18("7","10","2","8","2","9","1") = "9"
    & skf18("7","10","2","8","2","10","1") = "9"
    & skf18("7","10","2","8","3","1","1") = "9"
    & skf18("7","10","2","8","3","2","1") = "9"
    & skf18("7","10","2","8","3","3","1") = "9"
    & skf18("7","10","2","8","3","4","1") = "9"
    & skf18("7","10","2","8","3","5","1") = "9"
    & skf18("7","10","2","8","3","6","1") = "9"
    & skf18("7","10","2","8","3","7","1") = "9"
    & skf18("7","10","2","8","3","8","1") = "9"
    & skf18("7","10","2","8","3","9","1") = "9"
    & skf18("7","10","2","8","3","10","1") = "9"
    & skf18("7","10","2","8","4","1","1") = "9"
    & skf18("7","10","2","8","4","2","1") = "9"
    & skf18("7","10","2","8","4","3","1") = "9"
    & skf18("7","10","2","8","4","4","1") = "9"
    & skf18("7","10","2","8","4","5","1") = "9"
    & skf18("7","10","2","8","4","6","1") = "9"
    & skf18("7","10","2","8","4","7","1") = "9"
    & skf18("7","10","2","8","4","8","1") = "9"
    & skf18("7","10","2","8","4","9","1") = "9"
    & skf18("7","10","2","8","4","10","1") = "9"
    & skf18("7","10","2","8","5","1","1") = "9"
    & skf18("7","10","2","8","5","2","1") = "9"
    & skf18("7","10","2","8","5","3","1") = "9"
    & skf18("7","10","2","8","5","4","1") = "9"
    & skf18("7","10","2","8","5","5","1") = "9"
    & skf18("7","10","2","8","5","6","1") = "9"
    & skf18("7","10","2","8","5","7","1") = "9"
    & skf18("7","10","2","8","5","8","1") = "9"
    & skf18("7","10","2","8","5","9","1") = "9"
    & skf18("7","10","2","8","5","10","1") = "9"
    & skf18("7","10","2","8","6","1","1") = "9"
    & skf18("7","10","2","8","6","2","1") = "9"
    & skf18("7","10","2","8","6","3","1") = "9"
    & skf18("7","10","2","8","6","4","1") = "9"
    & skf18("7","10","2","8","6","5","1") = "9"
    & skf18("7","10","2","8","6","6","1") = "9"
    & skf18("7","10","2","8","6","7","1") = "9"
    & skf18("7","10","2","8","6","8","1") = "9"
    & skf18("7","10","2","8","6","9","1") = "9"
    & skf18("7","10","2","8","6","10","1") = "9"
    & skf18("7","10","2","8","7","1","1") = "9"
    & skf18("7","10","2","8","7","2","1") = "9"
    & skf18("7","10","2","8","7","3","1") = "9"
    & skf18("7","10","2","8","7","4","1") = "9"
    & skf18("7","10","2","8","7","5","1") = "9"
    & skf18("7","10","2","8","7","6","1") = "9"
    & skf18("7","10","2","8","7","7","1") = "9"
    & skf18("7","10","2","8","7","8","1") = "9"
    & skf18("7","10","2","8","7","9","1") = "9"
    & skf18("7","10","2","8","7","10","1") = "9"
    & skf18("7","10","2","8","8","1","1") = "9"
    & skf18("7","10","2","8","8","2","1") = "9"
    & skf18("7","10","2","8","8","3","1") = "9"
    & skf18("7","10","2","8","8","4","1") = "9"
    & skf18("7","10","2","8","8","5","1") = "9"
    & skf18("7","10","2","8","8","6","1") = "9"
    & skf18("7","10","2","8","8","7","1") = "9"
    & skf18("7","10","2","8","8","8","1") = "9"
    & skf18("7","10","2","8","8","9","1") = "9"
    & skf18("7","10","2","8","8","10","1") = "9"
    & skf18("7","10","2","8","9","1","1") = "9"
    & skf18("7","10","2","8","9","2","1") = "9"
    & skf18("7","10","2","8","9","3","1") = "9"
    & skf18("7","10","2","8","9","4","1") = "9"
    & skf18("7","10","2","8","9","5","1") = "9"
    & skf18("7","10","2","8","9","6","1") = "9"
    & skf18("7","10","2","8","9","7","1") = "9"
    & skf18("7","10","2","8","9","8","1") = "9"
    & skf18("7","10","2","8","9","9","1") = "9"
    & skf18("7","10","2","8","9","10","1") = "9"
    & skf18("7","10","2","8","10","1","1") = "9"
    & skf18("7","10","2","8","10","2","1") = "9"
    & skf18("7","10","2","8","10","3","1") = "9"
    & skf18("7","10","2","8","10","4","1") = "9"
    & skf18("7","10","2","8","10","5","1") = "9"
    & skf18("7","10","2","8","10","6","1") = "9"
    & skf18("7","10","2","8","10","7","1") = "9"
    & skf18("7","10","2","8","10","8","1") = "9"
    & skf18("7","10","2","8","10","9","1") = "9"
    & skf18("7","10","2","8","10","10","1") = "9"
    & skf18("7","10","2","9","1","1","1") = "9"
    & skf18("7","10","2","9","1","2","1") = "9"
    & skf18("7","10","2","9","1","3","1") = "9"
    & skf18("7","10","2","9","1","4","1") = "9"
    & skf18("7","10","2","9","1","5","1") = "9"
    & skf18("7","10","2","9","1","6","1") = "9"
    & skf18("7","10","2","9","1","7","1") = "9"
    & skf18("7","10","2","9","1","8","1") = "9"
    & skf18("7","10","2","9","1","9","1") = "9"
    & skf18("7","10","2","9","1","10","1") = "9"
    & skf18("7","10","2","9","2","1","1") = "9"
    & skf18("7","10","2","9","2","2","1") = "9"
    & skf18("7","10","2","9","2","3","1") = "9"
    & skf18("7","10","2","9","2","4","1") = "9"
    & skf18("7","10","2","9","2","5","1") = "9"
    & skf18("7","10","2","9","2","6","1") = "9"
    & skf18("7","10","2","9","2","7","1") = "9"
    & skf18("7","10","2","9","2","8","1") = "9"
    & skf18("7","10","2","9","2","9","1") = "9"
    & skf18("7","10","2","9","2","10","1") = "9"
    & skf18("7","10","2","9","3","1","1") = "9"
    & skf18("7","10","2","9","3","2","1") = "9"
    & skf18("7","10","2","9","3","3","1") = "9"
    & skf18("7","10","2","9","3","4","1") = "9"
    & skf18("7","10","2","9","3","5","1") = "9"
    & skf18("7","10","2","9","3","6","1") = "9"
    & skf18("7","10","2","9","3","7","1") = "9"
    & skf18("7","10","2","9","3","8","1") = "9"
    & skf18("7","10","2","9","3","9","1") = "9"
    & skf18("7","10","2","9","3","10","1") = "9"
    & skf18("7","10","2","9","4","1","1") = "9"
    & skf18("7","10","2","9","4","2","1") = "9"
    & skf18("7","10","2","9","4","3","1") = "9"
    & skf18("7","10","2","9","4","4","1") = "9"
    & skf18("7","10","2","9","4","5","1") = "9"
    & skf18("7","10","2","9","4","6","1") = "9"
    & skf18("7","10","2","9","4","7","1") = "9"
    & skf18("7","10","2","9","4","8","1") = "9"
    & skf18("7","10","2","9","4","9","1") = "9"
    & skf18("7","10","2","9","4","10","1") = "9"
    & skf18("7","10","2","9","5","1","1") = "9"
    & skf18("7","10","2","9","5","2","1") = "9"
    & skf18("7","10","2","9","5","3","1") = "9"
    & skf18("7","10","2","9","5","4","1") = "9"
    & skf18("7","10","2","9","5","5","1") = "9"
    & skf18("7","10","2","9","5","6","1") = "9"
    & skf18("7","10","2","9","5","7","1") = "9"
    & skf18("7","10","2","9","5","8","1") = "9"
    & skf18("7","10","2","9","5","9","1") = "9"
    & skf18("7","10","2","9","5","10","1") = "9"
    & skf18("7","10","2","9","6","1","1") = "9"
    & skf18("7","10","2","9","6","2","1") = "9"
    & skf18("7","10","2","9","6","3","1") = "9"
    & skf18("7","10","2","9","6","4","1") = "9"
    & skf18("7","10","2","9","6","5","1") = "9"
    & skf18("7","10","2","9","6","6","1") = "9"
    & skf18("7","10","2","9","6","7","1") = "9"
    & skf18("7","10","2","9","6","8","1") = "9"
    & skf18("7","10","2","9","6","9","1") = "9"
    & skf18("7","10","2","9","6","10","1") = "9"
    & skf18("7","10","2","9","7","1","1") = "9"
    & skf18("7","10","2","9","7","2","1") = "9"
    & skf18("7","10","2","9","7","3","1") = "9"
    & skf18("7","10","2","9","7","4","1") = "9"
    & skf18("7","10","2","9","7","5","1") = "9"
    & skf18("7","10","2","9","7","6","1") = "9"
    & skf18("7","10","2","9","7","7","1") = "9"
    & skf18("7","10","2","9","7","8","1") = "9"
    & skf18("7","10","2","9","7","9","1") = "9"
    & skf18("7","10","2","9","7","10","1") = "9"
    & skf18("7","10","2","9","8","1","1") = "9"
    & skf18("7","10","2","9","8","2","1") = "9"
    & skf18("7","10","2","9","8","3","1") = "9"
    & skf18("7","10","2","9","8","4","1") = "9"
    & skf18("7","10","2","9","8","5","1") = "9"
    & skf18("7","10","2","9","8","6","1") = "9"
    & skf18("7","10","2","9","8","7","1") = "9"
    & skf18("7","10","2","9","8","8","1") = "9"
    & skf18("7","10","2","9","8","9","1") = "9"
    & skf18("7","10","2","9","8","10","1") = "9"
    & skf18("7","10","2","9","9","1","1") = "9"
    & skf18("7","10","2","9","9","2","1") = "9"
    & skf18("7","10","2","9","9","3","1") = "9"
    & skf18("7","10","2","9","9","4","1") = "9"
    & skf18("7","10","2","9","9","5","1") = "9"
    & skf18("7","10","2","9","9","6","1") = "9"
    & skf18("7","10","2","9","9","7","1") = "9"
    & skf18("7","10","2","9","9","8","1") = "9"
    & skf18("7","10","2","9","9","9","1") = "9"
    & skf18("7","10","2","9","9","10","1") = "9"
    & skf18("7","10","2","9","10","1","1") = "9"
    & skf18("7","10","2","9","10","2","1") = "9"
    & skf18("7","10","2","9","10","3","1") = "9"
    & skf18("7","10","2","9","10","4","1") = "9"
    & skf18("7","10","2","9","10","5","1") = "9"
    & skf18("7","10","2","9","10","6","1") = "9"
    & skf18("7","10","2","9","10","7","1") = "9"
    & skf18("7","10","2","9","10","8","1") = "9"
    & skf18("7","10","2","9","10","9","1") = "9"
    & skf18("7","10","2","9","10","10","1") = "9"
    & skf18("7","10","2","10","1","1","1") = "9"
    & skf18("7","10","2","10","1","2","1") = "9"
    & skf18("7","10","2","10","1","3","1") = "9"
    & skf18("7","10","2","10","1","4","1") = "9"
    & skf18("7","10","2","10","1","5","1") = "9"
    & skf18("7","10","2","10","1","6","1") = "9"
    & skf18("7","10","2","10","1","7","1") = "9"
    & skf18("7","10","2","10","1","8","1") = "9"
    & skf18("7","10","2","10","1","9","1") = "9"
    & skf18("7","10","2","10","1","10","1") = "9"
    & skf18("7","10","2","10","2","1","1") = "9"
    & skf18("7","10","2","10","2","2","1") = "9"
    & skf18("7","10","2","10","2","3","1") = "9"
    & skf18("7","10","2","10","2","4","1") = "9"
    & skf18("7","10","2","10","2","5","1") = "9"
    & skf18("7","10","2","10","2","6","1") = "9"
    & skf18("7","10","2","10","2","7","1") = "9"
    & skf18("7","10","2","10","2","8","1") = "9"
    & skf18("7","10","2","10","2","9","1") = "9"
    & skf18("7","10","2","10","2","10","1") = "9"
    & skf18("7","10","2","10","3","1","1") = "9"
    & skf18("7","10","2","10","3","2","1") = "9"
    & skf18("7","10","2","10","3","3","1") = "9"
    & skf18("7","10","2","10","3","4","1") = "9"
    & skf18("7","10","2","10","3","5","1") = "9"
    & skf18("7","10","2","10","3","6","1") = "9"
    & skf18("7","10","2","10","3","7","1") = "9"
    & skf18("7","10","2","10","3","8","1") = "9"
    & skf18("7","10","2","10","3","9","1") = "9"
    & skf18("7","10","2","10","3","10","1") = "9"
    & skf18("7","10","2","10","4","1","1") = "9"
    & skf18("7","10","2","10","4","2","1") = "9"
    & skf18("7","10","2","10","4","3","1") = "9"
    & skf18("7","10","2","10","4","4","1") = "9"
    & skf18("7","10","2","10","4","5","1") = "9"
    & skf18("7","10","2","10","4","6","1") = "9"
    & skf18("7","10","2","10","4","7","1") = "9"
    & skf18("7","10","2","10","4","8","1") = "9"
    & skf18("7","10","2","10","4","9","1") = "9"
    & skf18("7","10","2","10","4","10","1") = "9"
    & skf18("7","10","2","10","5","1","1") = "9"
    & skf18("7","10","2","10","5","2","1") = "9"
    & skf18("7","10","2","10","5","3","1") = "9"
    & skf18("7","10","2","10","5","4","1") = "9"
    & skf18("7","10","2","10","5","5","1") = "9"
    & skf18("7","10","2","10","5","6","1") = "9"
    & skf18("7","10","2","10","5","7","1") = "9"
    & skf18("7","10","2","10","5","8","1") = "9"
    & skf18("7","10","2","10","5","9","1") = "9"
    & skf18("7","10","2","10","5","10","1") = "9"
    & skf18("7","10","2","10","6","1","1") = "9"
    & skf18("7","10","2","10","6","2","1") = "9"
    & skf18("7","10","2","10","6","3","1") = "9"
    & skf18("7","10","2","10","6","4","1") = "9"
    & skf18("7","10","2","10","6","5","1") = "9"
    & skf18("7","10","2","10","6","6","1") = "9"
    & skf18("7","10","2","10","6","7","1") = "9"
    & skf18("7","10","2","10","6","8","1") = "9"
    & skf18("7","10","2","10","6","9","1") = "9"
    & skf18("7","10","2","10","6","10","1") = "9"
    & skf18("7","10","2","10","7","1","1") = "9"
    & skf18("7","10","2","10","7","2","1") = "9"
    & skf18("7","10","2","10","7","3","1") = "9"
    & skf18("7","10","2","10","7","4","1") = "9"
    & skf18("7","10","2","10","7","5","1") = "9"
    & skf18("7","10","2","10","7","6","1") = "9"
    & skf18("7","10","2","10","7","7","1") = "9"
    & skf18("7","10","2","10","7","8","1") = "9"
    & skf18("7","10","2","10","7","9","1") = "9"
    & skf18("7","10","2","10","7","10","1") = "9"
    & skf18("7","10","2","10","8","1","1") = "9"
    & skf18("7","10","2","10","8","2","1") = "9"
    & skf18("7","10","2","10","8","3","1") = "9"
    & skf18("7","10","2","10","8","4","1") = "9"
    & skf18("7","10","2","10","8","5","1") = "9"
    & skf18("7","10","2","10","8","6","1") = "9"
    & skf18("7","10","2","10","8","7","1") = "9"
    & skf18("7","10","2","10","8","8","1") = "9"
    & skf18("7","10","2","10","8","9","1") = "9"
    & skf18("7","10","2","10","8","10","1") = "9"
    & skf18("7","10","2","10","9","1","1") = "9"
    & skf18("7","10","2","10","9","2","1") = "9"
    & skf18("7","10","2","10","9","3","1") = "9"
    & skf18("7","10","2","10","9","4","1") = "9"
    & skf18("7","10","2","10","9","5","1") = "9"
    & skf18("7","10","2","10","9","6","1") = "9"
    & skf18("7","10","2","10","9","7","1") = "9"
    & skf18("7","10","2","10","9","8","1") = "9"
    & skf18("7","10","2","10","9","9","1") = "9"
    & skf18("7","10","2","10","9","10","1") = "9"
    & skf18("7","10","2","10","10","1","1") = "9"
    & skf18("7","10","2","10","10","2","1") = "9"
    & skf18("7","10","2","10","10","3","1") = "9"
    & skf18("7","10","2","10","10","4","1") = "9"
    & skf18("7","10","2","10","10","5","1") = "9"
    & skf18("7","10","2","10","10","6","1") = "9"
    & skf18("7","10","2","10","10","7","1") = "9"
    & skf18("7","10","2","10","10","8","1") = "9"
    & skf18("7","10","2","10","10","9","1") = "9"
    & skf18("7","10","2","10","10","10","1") = "9"
    & skf18("7","10","3","1","1","1","1") = "9"
    & skf18("7","10","3","1","1","2","1") = "9"
    & skf18("7","10","3","1","1","3","1") = "9"
    & skf18("7","10","3","1","1","4","1") = "9"
    & skf18("7","10","3","1","1","5","1") = "9"
    & skf18("7","10","3","1","1","6","1") = "9"
    & skf18("7","10","3","1","1","7","1") = "9"
    & skf18("7","10","3","1","1","8","1") = "9"
    & skf18("7","10","3","1","1","9","1") = "9"
    & skf18("7","10","3","1","1","10","1") = "9"
    & skf18("7","10","3","1","2","1","1") = "9"
    & skf18("7","10","3","1","2","2","1") = "9"
    & skf18("7","10","3","1","2","3","1") = "9"
    & skf18("7","10","3","1","2","4","1") = "9"
    & skf18("7","10","3","1","2","5","1") = "9"
    & skf18("7","10","3","1","2","6","1") = "9"
    & skf18("7","10","3","1","2","7","1") = "9"
    & skf18("7","10","3","1","2","8","1") = "9"
    & skf18("7","10","3","1","2","9","1") = "9"
    & skf18("7","10","3","1","2","10","1") = "9"
    & skf18("7","10","3","1","3","1","1") = "9"
    & skf18("7","10","3","1","3","2","1") = "9"
    & skf18("7","10","3","1","3","3","1") = "9"
    & skf18("7","10","3","1","3","4","1") = "9"
    & skf18("7","10","3","1","3","5","1") = "9"
    & skf18("7","10","3","1","3","6","1") = "9"
    & skf18("7","10","3","1","3","7","1") = "9"
    & skf18("7","10","3","1","3","8","1") = "9"
    & skf18("7","10","3","1","3","9","1") = "9"
    & skf18("7","10","3","1","3","10","1") = "9"
    & skf18("7","10","3","1","4","1","1") = "9"
    & skf18("7","10","3","1","4","2","1") = "9"
    & skf18("7","10","3","1","4","3","1") = "9"
    & skf18("7","10","3","1","4","4","1") = "9"
    & skf18("7","10","3","1","4","5","1") = "9"
    & skf18("7","10","3","1","4","6","1") = "9"
    & skf18("7","10","3","1","4","7","1") = "9"
    & skf18("7","10","3","1","4","8","1") = "9"
    & skf18("7","10","3","1","4","9","1") = "9"
    & skf18("7","10","3","1","4","10","1") = "9"
    & skf18("7","10","3","1","5","1","1") = "9"
    & skf18("7","10","3","1","5","2","1") = "9"
    & skf18("7","10","3","1","5","3","1") = "9"
    & skf18("7","10","3","1","5","4","1") = "9"
    & skf18("7","10","3","1","5","5","1") = "9"
    & skf18("7","10","3","1","5","6","1") = "9"
    & skf18("7","10","3","1","5","7","1") = "9"
    & skf18("7","10","3","1","5","8","1") = "9"
    & skf18("7","10","3","1","5","9","1") = "9"
    & skf18("7","10","3","1","5","10","1") = "9"
    & skf18("7","10","3","1","6","1","1") = "9"
    & skf18("7","10","3","1","6","2","1") = "9"
    & skf18("7","10","3","1","6","3","1") = "9"
    & skf18("7","10","3","1","6","4","1") = "9"
    & skf18("7","10","3","1","6","5","1") = "9"
    & skf18("7","10","3","1","6","6","1") = "9"
    & skf18("7","10","3","1","6","7","1") = "9"
    & skf18("7","10","3","1","6","8","1") = "9"
    & skf18("7","10","3","1","6","9","1") = "9"
    & skf18("7","10","3","1","6","10","1") = "9"
    & skf18("7","10","3","1","7","1","1") = "9"
    & skf18("7","10","3","1","7","2","1") = "9"
    & skf18("7","10","3","1","7","3","1") = "9"
    & skf18("7","10","3","1","7","4","1") = "9"
    & skf18("7","10","3","1","7","5","1") = "9"
    & skf18("7","10","3","1","7","6","1") = "9"
    & skf18("7","10","3","1","7","7","1") = "9"
    & skf18("7","10","3","1","7","8","1") = "9"
    & skf18("7","10","3","1","7","9","1") = "9"
    & skf18("7","10","3","1","7","10","1") = "9"
    & skf18("7","10","3","1","8","1","1") = "9"
    & skf18("7","10","3","1","8","2","1") = "9"
    & skf18("7","10","3","1","8","3","1") = "9"
    & skf18("7","10","3","1","8","4","1") = "9"
    & skf18("7","10","3","1","8","5","1") = "9"
    & skf18("7","10","3","1","8","6","1") = "9"
    & skf18("7","10","3","1","8","7","1") = "9"
    & skf18("7","10","3","1","8","8","1") = "9"
    & skf18("7","10","3","1","8","9","1") = "9"
    & skf18("7","10","3","1","8","10","1") = "9"
    & skf18("7","10","3","1","9","1","1") = "9"
    & skf18("7","10","3","1","9","2","1") = "9"
    & skf18("7","10","3","1","9","3","1") = "9"
    & skf18("7","10","3","1","9","4","1") = "9"
    & skf18("7","10","3","1","9","5","1") = "9"
    & skf18("7","10","3","1","9","6","1") = "9"
    & skf18("7","10","3","1","9","7","1") = "9"
    & skf18("7","10","3","1","9","8","1") = "9"
    & skf18("7","10","3","1","9","9","1") = "9"
    & skf18("7","10","3","1","9","10","1") = "9"
    & skf18("7","10","3","1","10","1","1") = "9"
    & skf18("7","10","3","1","10","2","1") = "9"
    & skf18("7","10","3","1","10","3","1") = "9"
    & skf18("7","10","3","1","10","4","1") = "9"
    & skf18("7","10","3","1","10","5","1") = "9"
    & skf18("7","10","3","1","10","6","1") = "9"
    & skf18("7","10","3","1","10","7","1") = "9"
    & skf18("7","10","3","1","10","8","1") = "9"
    & skf18("7","10","3","1","10","9","1") = "9"
    & skf18("7","10","3","1","10","10","1") = "9"
    & skf18("7","10","3","2","1","1","1") = "9"
    & skf18("7","10","3","2","1","2","1") = "9"
    & skf18("7","10","3","2","1","3","1") = "9"
    & skf18("7","10","3","2","1","4","1") = "9"
    & skf18("7","10","3","2","1","5","1") = "9"
    & skf18("7","10","3","2","1","6","1") = "9"
    & skf18("7","10","3","2","1","7","1") = "9"
    & skf18("7","10","3","2","1","8","1") = "9"
    & skf18("7","10","3","2","1","9","1") = "9"
    & skf18("7","10","3","2","1","10","1") = "9"
    & skf18("7","10","3","2","2","1","1") = "9"
    & skf18("7","10","3","2","2","2","1") = "9"
    & skf18("7","10","3","2","2","3","1") = "9"
    & skf18("7","10","3","2","2","4","1") = "9"
    & skf18("7","10","3","2","2","5","1") = "9"
    & skf18("7","10","3","2","2","6","1") = "9"
    & skf18("7","10","3","2","2","7","1") = "9"
    & skf18("7","10","3","2","2","8","1") = "9"
    & skf18("7","10","3","2","2","9","1") = "9"
    & skf18("7","10","3","2","2","10","1") = "9"
    & skf18("7","10","3","2","3","1","1") = "9"
    & skf18("7","10","3","2","3","2","1") = "9"
    & skf18("7","10","3","2","3","3","1") = "9"
    & skf18("7","10","3","2","3","4","1") = "9"
    & skf18("7","10","3","2","3","5","1") = "9"
    & skf18("7","10","3","2","3","6","1") = "9"
    & skf18("7","10","3","2","3","7","1") = "9"
    & skf18("7","10","3","2","3","8","1") = "9"
    & skf18("7","10","3","2","3","9","1") = "9"
    & skf18("7","10","3","2","3","10","1") = "9"
    & skf18("7","10","3","2","4","1","1") = "9"
    & skf18("7","10","3","2","4","2","1") = "9"
    & skf18("7","10","3","2","4","3","1") = "9"
    & skf18("7","10","3","2","4","4","1") = "9"
    & skf18("7","10","3","2","4","5","1") = "9"
    & skf18("7","10","3","2","4","6","1") = "9"
    & skf18("7","10","3","2","4","7","1") = "9"
    & skf18("7","10","3","2","4","8","1") = "9"
    & skf18("7","10","3","2","4","9","1") = "9"
    & skf18("7","10","3","2","4","10","1") = "9"
    & skf18("7","10","3","2","5","1","1") = "9"
    & skf18("7","10","3","2","5","2","1") = "9"
    & skf18("7","10","3","2","5","3","1") = "9"
    & skf18("7","10","3","2","5","4","1") = "9"
    & skf18("7","10","3","2","5","5","1") = "9"
    & skf18("7","10","3","2","5","6","1") = "9"
    & skf18("7","10","3","2","5","7","1") = "9"
    & skf18("7","10","3","2","5","8","1") = "9"
    & skf18("7","10","3","2","5","9","1") = "9"
    & skf18("7","10","3","2","5","10","1") = "9"
    & skf18("7","10","3","2","6","1","1") = "9"
    & skf18("7","10","3","2","6","2","1") = "9"
    & skf18("7","10","3","2","6","3","1") = "9"
    & skf18("7","10","3","2","6","4","1") = "9"
    & skf18("7","10","3","2","6","5","1") = "9"
    & skf18("7","10","3","2","6","6","1") = "9"
    & skf18("7","10","3","2","6","7","1") = "9"
    & skf18("7","10","3","2","6","8","1") = "9"
    & skf18("7","10","3","2","6","9","1") = "9"
    & skf18("7","10","3","2","6","10","1") = "9"
    & skf18("7","10","3","2","7","1","1") = "9"
    & skf18("7","10","3","2","7","2","1") = "9"
    & skf18("7","10","3","2","7","3","1") = "9"
    & skf18("7","10","3","2","7","4","1") = "9"
    & skf18("7","10","3","2","7","5","1") = "9"
    & skf18("7","10","3","2","7","6","1") = "9"
    & skf18("7","10","3","2","7","7","1") = "9"
    & skf18("7","10","3","2","7","8","1") = "9"
    & skf18("7","10","3","2","7","9","1") = "9"
    & skf18("7","10","3","2","7","10","1") = "9"
    & skf18("7","10","3","2","8","1","1") = "9"
    & skf18("7","10","3","2","8","2","1") = "9"
    & skf18("7","10","3","2","8","3","1") = "9"
    & skf18("7","10","3","2","8","4","1") = "9"
    & skf18("7","10","3","2","8","5","1") = "9"
    & skf18("7","10","3","2","8","6","1") = "9"
    & skf18("7","10","3","2","8","7","1") = "9"
    & skf18("7","10","3","2","8","8","1") = "9"
    & skf18("7","10","3","2","8","9","1") = "9"
    & skf18("7","10","3","2","8","10","1") = "9"
    & skf18("7","10","3","2","9","1","1") = "9"
    & skf18("7","10","3","2","9","2","1") = "9"
    & skf18("7","10","3","2","9","3","1") = "9"
    & skf18("7","10","3","2","9","4","1") = "9"
    & skf18("7","10","3","2","9","5","1") = "9"
    & skf18("7","10","3","2","9","6","1") = "9"
    & skf18("7","10","3","2","9","7","1") = "9"
    & skf18("7","10","3","2","9","8","1") = "9"
    & skf18("7","10","3","2","9","9","1") = "9"
    & skf18("7","10","3","2","9","10","1") = "9"
    & skf18("7","10","3","2","10","1","1") = "9"
    & skf18("7","10","3","2","10","2","1") = "9"
    & skf18("7","10","3","2","10","3","1") = "9"
    & skf18("7","10","3","2","10","4","1") = "9"
    & skf18("7","10","3","2","10","5","1") = "9"
    & skf18("7","10","3","2","10","6","1") = "9"
    & skf18("7","10","3","2","10","7","1") = "9"
    & skf18("7","10","3","2","10","8","1") = "9"
    & skf18("7","10","3","2","10","9","1") = "9"
    & skf18("7","10","3","2","10","10","1") = "9"
    & skf18("7","10","3","3","1","1","1") = "9"
    & skf18("7","10","3","3","1","2","1") = "9"
    & skf18("7","10","3","3","1","3","1") = "9"
    & skf18("7","10","3","3","1","4","1") = "9"
    & skf18("7","10","3","3","1","5","1") = "9"
    & skf18("7","10","3","3","1","6","1") = "9"
    & skf18("7","10","3","3","1","7","1") = "9"
    & skf18("7","10","3","3","1","8","1") = "9"
    & skf18("7","10","3","3","1","9","1") = "9"
    & skf18("7","10","3","3","1","10","1") = "9"
    & skf18("7","10","3","3","2","1","1") = "9"
    & skf18("7","10","3","3","2","2","1") = "9"
    & skf18("7","10","3","3","2","3","1") = "9"
    & skf18("7","10","3","3","2","4","1") = "9"
    & skf18("7","10","3","3","2","5","1") = "9"
    & skf18("7","10","3","3","2","6","1") = "9"
    & skf18("7","10","3","3","2","7","1") = "9"
    & skf18("7","10","3","3","2","8","1") = "9"
    & skf18("7","10","3","3","2","9","1") = "9"
    & skf18("7","10","3","3","2","10","1") = "9"
    & skf18("7","10","3","3","3","1","1") = "9"
    & skf18("7","10","3","3","3","2","1") = "9"
    & skf18("7","10","3","3","3","3","1") = "9"
    & skf18("7","10","3","3","3","4","1") = "9"
    & skf18("7","10","3","3","3","5","1") = "9"
    & skf18("7","10","3","3","3","6","1") = "9"
    & skf18("7","10","3","3","3","7","1") = "9"
    & skf18("7","10","3","3","3","8","1") = "9"
    & skf18("7","10","3","3","3","9","1") = "9"
    & skf18("7","10","3","3","3","10","1") = "9"
    & skf18("7","10","3","3","4","1","1") = "9"
    & skf18("7","10","3","3","4","2","1") = "9"
    & skf18("7","10","3","3","4","3","1") = "9"
    & skf18("7","10","3","3","4","4","1") = "9"
    & skf18("7","10","3","3","4","5","1") = "9"
    & skf18("7","10","3","3","4","6","1") = "9"
    & skf18("7","10","3","3","4","7","1") = "9"
    & skf18("7","10","3","3","4","8","1") = "9"
    & skf18("7","10","3","3","4","9","1") = "9"
    & skf18("7","10","3","3","4","10","1") = "9"
    & skf18("7","10","3","3","5","1","1") = "9"
    & skf18("7","10","3","3","5","2","1") = "9"
    & skf18("7","10","3","3","5","3","1") = "9"
    & skf18("7","10","3","3","5","4","1") = "9"
    & skf18("7","10","3","3","5","5","1") = "9"
    & skf18("7","10","3","3","5","6","1") = "9"
    & skf18("7","10","3","3","5","7","1") = "9"
    & skf18("7","10","3","3","5","8","1") = "9"
    & skf18("7","10","3","3","5","9","1") = "9"
    & skf18("7","10","3","3","5","10","1") = "9"
    & skf18("7","10","3","3","6","1","1") = "9"
    & skf18("7","10","3","3","6","2","1") = "9"
    & skf18("7","10","3","3","6","3","1") = "9"
    & skf18("7","10","3","3","6","4","1") = "9"
    & skf18("7","10","3","3","6","5","1") = "9"
    & skf18("7","10","3","3","6","6","1") = "9"
    & skf18("7","10","3","3","6","7","1") = "9"
    & skf18("7","10","3","3","6","8","1") = "9"
    & skf18("7","10","3","3","6","9","1") = "9"
    & skf18("7","10","3","3","6","10","1") = "9"
    & skf18("7","10","3","3","7","1","1") = "9"
    & skf18("7","10","3","3","7","2","1") = "9"
    & skf18("7","10","3","3","7","3","1") = "9"
    & skf18("7","10","3","3","7","4","1") = "9"
    & skf18("7","10","3","3","7","5","1") = "9"
    & skf18("7","10","3","3","7","6","1") = "9"
    & skf18("7","10","3","3","7","7","1") = "9"
    & skf18("7","10","3","3","7","8","1") = "9"
    & skf18("7","10","3","3","7","9","1") = "9"
    & skf18("7","10","3","3","7","10","1") = "9"
    & skf18("7","10","3","3","8","1","1") = "9"
    & skf18("7","10","3","3","8","2","1") = "9"
    & skf18("7","10","3","3","8","3","1") = "9"
    & skf18("7","10","3","3","8","4","1") = "9"
    & skf18("7","10","3","3","8","5","1") = "9"
    & skf18("7","10","3","3","8","6","1") = "9"
    & skf18("7","10","3","3","8","7","1") = "9"
    & skf18("7","10","3","3","8","8","1") = "9"
    & skf18("7","10","3","3","8","9","1") = "9"
    & skf18("7","10","3","3","8","10","1") = "9"
    & skf18("7","10","3","3","9","1","1") = "9"
    & skf18("7","10","3","3","9","2","1") = "9"
    & skf18("7","10","3","3","9","3","1") = "9"
    & skf18("7","10","3","3","9","4","1") = "9"
    & skf18("7","10","3","3","9","5","1") = "9"
    & skf18("7","10","3","3","9","6","1") = "9"
    & skf18("7","10","3","3","9","7","1") = "9"
    & skf18("7","10","3","3","9","8","1") = "9"
    & skf18("7","10","3","3","9","9","1") = "9"
    & skf18("7","10","3","3","9","10","1") = "9"
    & skf18("7","10","3","3","10","1","1") = "9"
    & skf18("7","10","3","3","10","2","1") = "9"
    & skf18("7","10","3","3","10","3","1") = "9"
    & skf18("7","10","3","3","10","4","1") = "9"
    & skf18("7","10","3","3","10","5","1") = "9"
    & skf18("7","10","3","3","10","6","1") = "9"
    & skf18("7","10","3","3","10","7","1") = "9"
    & skf18("7","10","3","3","10","8","1") = "9"
    & skf18("7","10","3","3","10","9","1") = "9"
    & skf18("7","10","3","3","10","10","1") = "9"
    & skf18("7","10","3","4","1","1","1") = "9"
    & skf18("7","10","3","4","1","2","1") = "9"
    & skf18("7","10","3","4","1","3","1") = "9"
    & skf18("7","10","3","4","1","4","1") = "9"
    & skf18("7","10","3","4","1","5","1") = "9"
    & skf18("7","10","3","4","1","6","1") = "9"
    & skf18("7","10","3","4","1","7","1") = "9"
    & skf18("7","10","3","4","1","8","1") = "9"
    & skf18("7","10","3","4","1","9","1") = "9"
    & skf18("7","10","3","4","1","10","1") = "9"
    & skf18("7","10","3","4","2","1","1") = "9"
    & skf18("7","10","3","4","2","2","1") = "9"
    & skf18("7","10","3","4","2","3","1") = "9"
    & skf18("7","10","3","4","2","4","1") = "9"
    & skf18("7","10","3","4","2","5","1") = "9"
    & skf18("7","10","3","4","2","6","1") = "9"
    & skf18("7","10","3","4","2","7","1") = "9"
    & skf18("7","10","3","4","2","8","1") = "9"
    & skf18("7","10","3","4","2","9","1") = "9"
    & skf18("7","10","3","4","2","10","1") = "9"
    & skf18("7","10","3","4","3","1","1") = "9"
    & skf18("7","10","3","4","3","2","1") = "9"
    & skf18("7","10","3","4","3","3","1") = "9"
    & skf18("7","10","3","4","3","4","1") = "9"
    & skf18("7","10","3","4","3","5","1") = "9"
    & skf18("7","10","3","4","3","6","1") = "9"
    & skf18("7","10","3","4","3","7","1") = "9"
    & skf18("7","10","3","4","3","8","1") = "9"
    & skf18("7","10","3","4","3","9","1") = "9"
    & skf18("7","10","3","4","3","10","1") = "9"
    & skf18("7","10","3","4","4","1","1") = "9"
    & skf18("7","10","3","4","4","2","1") = "9"
    & skf18("7","10","3","4","4","3","1") = "9"
    & skf18("7","10","3","4","4","4","1") = "9"
    & skf18("7","10","3","4","4","5","1") = "9"
    & skf18("7","10","3","4","4","6","1") = "9"
    & skf18("7","10","3","4","4","7","1") = "9"
    & skf18("7","10","3","4","4","8","1") = "9"
    & skf18("7","10","3","4","4","9","1") = "9"
    & skf18("7","10","3","4","4","10","1") = "9"
    & skf18("7","10","3","4","5","1","1") = "9"
    & skf18("7","10","3","4","5","2","1") = "9"
    & skf18("7","10","3","4","5","3","1") = "9"
    & skf18("7","10","3","4","5","4","1") = "9"
    & skf18("7","10","3","4","5","5","1") = "9"
    & skf18("7","10","3","4","5","6","1") = "9"
    & skf18("7","10","3","4","5","7","1") = "9"
    & skf18("7","10","3","4","5","8","1") = "9"
    & skf18("7","10","3","4","5","9","1") = "9"
    & skf18("7","10","3","4","5","10","1") = "9"
    & skf18("7","10","3","4","6","1","1") = "9"
    & skf18("7","10","3","4","6","2","1") = "9"
    & skf18("7","10","3","4","6","3","1") = "9"
    & skf18("7","10","3","4","6","4","1") = "9"
    & skf18("7","10","3","4","6","5","1") = "9"
    & skf18("7","10","3","4","6","6","1") = "9"
    & skf18("7","10","3","4","6","7","1") = "9"
    & skf18("7","10","3","4","6","8","1") = "9"
    & skf18("7","10","3","4","6","9","1") = "9"
    & skf18("7","10","3","4","6","10","1") = "9"
    & skf18("7","10","3","4","7","1","1") = "9"
    & skf18("7","10","3","4","7","2","1") = "9"
    & skf18("7","10","3","4","7","3","1") = "9"
    & skf18("7","10","3","4","7","4","1") = "9"
    & skf18("7","10","3","4","7","5","1") = "9"
    & skf18("7","10","3","4","7","6","1") = "9"
    & skf18("7","10","3","4","7","7","1") = "9"
    & skf18("7","10","3","4","7","8","1") = "9"
    & skf18("7","10","3","4","7","9","1") = "9"
    & skf18("7","10","3","4","7","10","1") = "9"
    & skf18("7","10","3","4","8","1","1") = "9"
    & skf18("7","10","3","4","8","2","1") = "9"
    & skf18("7","10","3","4","8","3","1") = "9"
    & skf18("7","10","3","4","8","4","1") = "9"
    & skf18("7","10","3","4","8","5","1") = "9"
    & skf18("7","10","3","4","8","6","1") = "9"
    & skf18("7","10","3","4","8","7","1") = "9"
    & skf18("7","10","3","4","8","8","1") = "9"
    & skf18("7","10","3","4","8","9","1") = "9"
    & skf18("7","10","3","4","8","10","1") = "9"
    & skf18("7","10","3","4","9","1","1") = "9"
    & skf18("7","10","3","4","9","2","1") = "9"
    & skf18("7","10","3","4","9","3","1") = "9"
    & skf18("7","10","3","4","9","4","1") = "9"
    & skf18("7","10","3","4","9","5","1") = "9"
    & skf18("7","10","3","4","9","6","1") = "9"
    & skf18("7","10","3","4","9","7","1") = "9"
    & skf18("7","10","3","4","9","8","1") = "9"
    & skf18("7","10","3","4","9","9","1") = "9"
    & skf18("7","10","3","4","9","10","1") = "9"
    & skf18("7","10","3","4","10","1","1") = "9"
    & skf18("7","10","3","4","10","2","1") = "9"
    & skf18("7","10","3","4","10","3","1") = "9"
    & skf18("7","10","3","4","10","4","1") = "9"
    & skf18("7","10","3","4","10","5","1") = "9"
    & skf18("7","10","3","4","10","6","1") = "9"
    & skf18("7","10","3","4","10","7","1") = "9"
    & skf18("7","10","3","4","10","8","1") = "9"
    & skf18("7","10","3","4","10","9","1") = "9"
    & skf18("7","10","3","4","10","10","1") = "9"
    & skf18("7","10","3","5","1","1","1") = "9"
    & skf18("7","10","3","5","1","2","1") = "9"
    & skf18("7","10","3","5","1","3","1") = "9"
    & skf18("7","10","3","5","1","4","1") = "9"
    & skf18("7","10","3","5","1","5","1") = "9"
    & skf18("7","10","3","5","1","6","1") = "9"
    & skf18("7","10","3","5","1","7","1") = "9"
    & skf18("7","10","3","5","1","8","1") = "9"
    & skf18("7","10","3","5","1","9","1") = "9"
    & skf18("7","10","3","5","1","10","1") = "9"
    & skf18("7","10","3","5","2","1","1") = "9"
    & skf18("7","10","3","5","2","2","1") = "9"
    & skf18("7","10","3","5","2","3","1") = "9"
    & skf18("7","10","3","5","2","4","1") = "9"
    & skf18("7","10","3","5","2","5","1") = "9"
    & skf18("7","10","3","5","2","6","1") = "9"
    & skf18("7","10","3","5","2","7","1") = "9"
    & skf18("7","10","3","5","2","8","1") = "9"
    & skf18("7","10","3","5","2","9","1") = "9"
    & skf18("7","10","3","5","2","10","1") = "9"
    & skf18("7","10","3","5","3","1","1") = "9"
    & skf18("7","10","3","5","3","2","1") = "9"
    & skf18("7","10","3","5","3","3","1") = "9"
    & skf18("7","10","3","5","3","4","1") = "9"
    & skf18("7","10","3","5","3","5","1") = "9"
    & skf18("7","10","3","5","3","6","1") = "9"
    & skf18("7","10","3","5","3","7","1") = "9"
    & skf18("7","10","3","5","3","8","1") = "9"
    & skf18("7","10","3","5","3","9","1") = "9"
    & skf18("7","10","3","5","3","10","1") = "9"
    & skf18("7","10","3","5","4","1","1") = "9"
    & skf18("7","10","3","5","4","2","1") = "9"
    & skf18("7","10","3","5","4","3","1") = "9"
    & skf18("7","10","3","5","4","4","1") = "9"
    & skf18("7","10","3","5","4","5","1") = "9"
    & skf18("7","10","3","5","4","6","1") = "9"
    & skf18("7","10","3","5","4","7","1") = "9"
    & skf18("7","10","3","5","4","8","1") = "9"
    & skf18("7","10","3","5","4","9","1") = "9"
    & skf18("7","10","3","5","4","10","1") = "9"
    & skf18("7","10","3","5","5","1","1") = "9"
    & skf18("7","10","3","5","5","2","1") = "9"
    & skf18("7","10","3","5","5","3","1") = "9"
    & skf18("7","10","3","5","5","4","1") = "9"
    & skf18("7","10","3","5","5","5","1") = "9"
    & skf18("7","10","3","5","5","6","1") = "9"
    & skf18("7","10","3","5","5","7","1") = "9"
    & skf18("7","10","3","5","5","8","1") = "9"
    & skf18("7","10","3","5","5","9","1") = "9"
    & skf18("7","10","3","5","5","10","1") = "9"
    & skf18("7","10","3","5","6","1","1") = "9"
    & skf18("7","10","3","5","6","2","1") = "9"
    & skf18("7","10","3","5","6","3","1") = "9"
    & skf18("7","10","3","5","6","4","1") = "9"
    & skf18("7","10","3","5","6","5","1") = "9"
    & skf18("7","10","3","5","6","6","1") = "9"
    & skf18("7","10","3","5","6","7","1") = "9"
    & skf18("7","10","3","5","6","8","1") = "9"
    & skf18("7","10","3","5","6","9","1") = "9"
    & skf18("7","10","3","5","6","10","1") = "9"
    & skf18("7","10","3","5","7","1","1") = "9"
    & skf18("7","10","3","5","7","2","1") = "9"
    & skf18("7","10","3","5","7","3","1") = "9"
    & skf18("7","10","3","5","7","4","1") = "9"
    & skf18("7","10","3","5","7","5","1") = "9"
    & skf18("7","10","3","5","7","6","1") = "9"
    & skf18("7","10","3","5","7","7","1") = "9"
    & skf18("7","10","3","5","7","8","1") = "9"
    & skf18("7","10","3","5","7","9","1") = "9"
    & skf18("7","10","3","5","7","10","1") = "9"
    & skf18("7","10","3","5","8","1","1") = "9"
    & skf18("7","10","3","5","8","2","1") = "9"
    & skf18("7","10","3","5","8","3","1") = "9"
    & skf18("7","10","3","5","8","4","1") = "9"
    & skf18("7","10","3","5","8","5","1") = "9"
    & skf18("7","10","3","5","8","6","1") = "9"
    & skf18("7","10","3","5","8","7","1") = "9"
    & skf18("7","10","3","5","8","8","1") = "9"
    & skf18("7","10","3","5","8","9","1") = "9"
    & skf18("7","10","3","5","8","10","1") = "9"
    & skf18("7","10","3","5","9","1","1") = "9"
    & skf18("7","10","3","5","9","2","1") = "9"
    & skf18("7","10","3","5","9","3","1") = "9"
    & skf18("7","10","3","5","9","4","1") = "9"
    & skf18("7","10","3","5","9","5","1") = "9"
    & skf18("7","10","3","5","9","6","1") = "9"
    & skf18("7","10","3","5","9","7","1") = "9"
    & skf18("7","10","3","5","9","8","1") = "9"
    & skf18("7","10","3","5","9","9","1") = "9"
    & skf18("7","10","3","5","9","10","1") = "9"
    & skf18("7","10","3","5","10","1","1") = "9"
    & skf18("7","10","3","5","10","2","1") = "9"
    & skf18("7","10","3","5","10","3","1") = "9"
    & skf18("7","10","3","5","10","4","1") = "9"
    & skf18("7","10","3","5","10","5","1") = "9"
    & skf18("7","10","3","5","10","6","1") = "9"
    & skf18("7","10","3","5","10","7","1") = "9"
    & skf18("7","10","3","5","10","8","1") = "9"
    & skf18("7","10","3","5","10","9","1") = "9"
    & skf18("7","10","3","5","10","10","1") = "9"
    & skf18("7","10","3","6","1","1","1") = "9"
    & skf18("7","10","3","6","1","2","1") = "9"
    & skf18("7","10","3","6","1","3","1") = "9"
    & skf18("7","10","3","6","1","4","1") = "9"
    & skf18("7","10","3","6","1","5","1") = "9"
    & skf18("7","10","3","6","1","6","1") = "9"
    & skf18("7","10","3","6","1","7","1") = "9"
    & skf18("7","10","3","6","1","8","1") = "9"
    & skf18("7","10","3","6","1","9","1") = "9"
    & skf18("7","10","3","6","1","10","1") = "9"
    & skf18("7","10","3","6","2","1","1") = "9"
    & skf18("7","10","3","6","2","2","1") = "9"
    & skf18("7","10","3","6","2","3","1") = "9"
    & skf18("7","10","3","6","2","4","1") = "9"
    & skf18("7","10","3","6","2","5","1") = "9"
    & skf18("7","10","3","6","2","6","1") = "9"
    & skf18("7","10","3","6","2","7","1") = "9"
    & skf18("7","10","3","6","2","8","1") = "9"
    & skf18("7","10","3","6","2","9","1") = "9"
    & skf18("7","10","3","6","2","10","1") = "9"
    & skf18("7","10","3","6","3","1","1") = "9"
    & skf18("7","10","3","6","3","2","1") = "9"
    & skf18("7","10","3","6","3","3","1") = "9"
    & skf18("7","10","3","6","3","4","1") = "9"
    & skf18("7","10","3","6","3","5","1") = "9"
    & skf18("7","10","3","6","3","6","1") = "9"
    & skf18("7","10","3","6","3","7","1") = "9"
    & skf18("7","10","3","6","3","8","1") = "9"
    & skf18("7","10","3","6","3","9","1") = "9"
    & skf18("7","10","3","6","3","10","1") = "9"
    & skf18("7","10","3","6","4","1","1") = "9"
    & skf18("7","10","3","6","4","2","1") = "9"
    & skf18("7","10","3","6","4","3","1") = "9"
    & skf18("7","10","3","6","4","4","1") = "9"
    & skf18("7","10","3","6","4","5","1") = "9"
    & skf18("7","10","3","6","4","6","1") = "9"
    & skf18("7","10","3","6","4","7","1") = "9"
    & skf18("7","10","3","6","4","8","1") = "9"
    & skf18("7","10","3","6","4","9","1") = "9"
    & skf18("7","10","3","6","4","10","1") = "9"
    & skf18("7","10","3","6","5","1","1") = "9"
    & skf18("7","10","3","6","5","2","1") = "9"
    & skf18("7","10","3","6","5","3","1") = "9"
    & skf18("7","10","3","6","5","4","1") = "9"
    & skf18("7","10","3","6","5","5","1") = "9"
    & skf18("7","10","3","6","5","6","1") = "9"
    & skf18("7","10","3","6","5","7","1") = "9"
    & skf18("7","10","3","6","5","8","1") = "9"
    & skf18("7","10","3","6","5","9","1") = "9"
    & skf18("7","10","3","6","5","10","1") = "9"
    & skf18("7","10","3","6","6","1","1") = "9"
    & skf18("7","10","3","6","6","2","1") = "9"
    & skf18("7","10","3","6","6","3","1") = "9"
    & skf18("7","10","3","6","6","4","1") = "9"
    & skf18("7","10","3","6","6","5","1") = "9"
    & skf18("7","10","3","6","6","6","1") = "9"
    & skf18("7","10","3","6","6","7","1") = "9"
    & skf18("7","10","3","6","6","8","1") = "9"
    & skf18("7","10","3","6","6","9","1") = "9"
    & skf18("7","10","3","6","6","10","1") = "9"
    & skf18("7","10","3","6","7","1","1") = "9"
    & skf18("7","10","3","6","7","2","1") = "9"
    & skf18("7","10","3","6","7","3","1") = "9"
    & skf18("7","10","3","6","7","4","1") = "9"
    & skf18("7","10","3","6","7","5","1") = "9"
    & skf18("7","10","3","6","7","6","1") = "9"
    & skf18("7","10","3","6","7","7","1") = "9"
    & skf18("7","10","3","6","7","8","1") = "9"
    & skf18("7","10","3","6","7","9","1") = "9"
    & skf18("7","10","3","6","7","10","1") = "9"
    & skf18("7","10","3","6","8","1","1") = "9"
    & skf18("7","10","3","6","8","2","1") = "9"
    & skf18("7","10","3","6","8","3","1") = "9"
    & skf18("7","10","3","6","8","4","1") = "9"
    & skf18("7","10","3","6","8","5","1") = "9"
    & skf18("7","10","3","6","8","6","1") = "9"
    & skf18("7","10","3","6","8","7","1") = "9"
    & skf18("7","10","3","6","8","8","1") = "9"
    & skf18("7","10","3","6","8","9","1") = "9"
    & skf18("7","10","3","6","8","10","1") = "9"
    & skf18("7","10","3","6","9","1","1") = "9"
    & skf18("7","10","3","6","9","2","1") = "9"
    & skf18("7","10","3","6","9","3","1") = "9"
    & skf18("7","10","3","6","9","4","1") = "9"
    & skf18("7","10","3","6","9","5","1") = "9"
    & skf18("7","10","3","6","9","6","1") = "9"
    & skf18("7","10","3","6","9","7","1") = "9"
    & skf18("7","10","3","6","9","8","1") = "9"
    & skf18("7","10","3","6","9","9","1") = "9"
    & skf18("7","10","3","6","9","10","1") = "9"
    & skf18("7","10","3","6","10","1","1") = "9"
    & skf18("7","10","3","6","10","2","1") = "9"
    & skf18("7","10","3","6","10","3","1") = "9"
    & skf18("7","10","3","6","10","4","1") = "9"
    & skf18("7","10","3","6","10","5","1") = "9"
    & skf18("7","10","3","6","10","6","1") = "9"
    & skf18("7","10","3","6","10","7","1") = "9"
    & skf18("7","10","3","6","10","8","1") = "9"
    & skf18("7","10","3","6","10","9","1") = "9"
    & skf18("7","10","3","6","10","10","1") = "9"
    & skf18("7","10","3","7","1","1","1") = "9"
    & skf18("7","10","3","7","1","2","1") = "9"
    & skf18("7","10","3","7","1","3","1") = "9"
    & skf18("7","10","3","7","1","4","1") = "9"
    & skf18("7","10","3","7","1","5","1") = "9"
    & skf18("7","10","3","7","1","6","1") = "9"
    & skf18("7","10","3","7","1","7","1") = "9"
    & skf18("7","10","3","7","1","8","1") = "9"
    & skf18("7","10","3","7","1","9","1") = "9"
    & skf18("7","10","3","7","1","10","1") = "9"
    & skf18("7","10","3","7","2","1","1") = "9"
    & skf18("7","10","3","7","2","2","1") = "9"
    & skf18("7","10","3","7","2","3","1") = "9"
    & skf18("7","10","3","7","2","4","1") = "9"
    & skf18("7","10","3","7","2","5","1") = "9"
    & skf18("7","10","3","7","2","6","1") = "9"
    & skf18("7","10","3","7","2","7","1") = "9"
    & skf18("7","10","3","7","2","8","1") = "9"
    & skf18("7","10","3","7","2","9","1") = "9"
    & skf18("7","10","3","7","2","10","1") = "9"
    & skf18("7","10","3","7","3","1","1") = "9"
    & skf18("7","10","3","7","3","2","1") = "9"
    & skf18("7","10","3","7","3","3","1") = "9"
    & skf18("7","10","3","7","3","4","1") = "9"
    & skf18("7","10","3","7","3","5","1") = "9"
    & skf18("7","10","3","7","3","6","1") = "9"
    & skf18("7","10","3","7","3","7","1") = "9"
    & skf18("7","10","3","7","3","8","1") = "9"
    & skf18("7","10","3","7","3","9","1") = "9"
    & skf18("7","10","3","7","3","10","1") = "9"
    & skf18("7","10","3","7","4","1","1") = "9"
    & skf18("7","10","3","7","4","2","1") = "9"
    & skf18("7","10","3","7","4","3","1") = "9"
    & skf18("7","10","3","7","4","4","1") = "9"
    & skf18("7","10","3","7","4","5","1") = "9"
    & skf18("7","10","3","7","4","6","1") = "9"
    & skf18("7","10","3","7","4","7","1") = "9"
    & skf18("7","10","3","7","4","8","1") = "9"
    & skf18("7","10","3","7","4","9","1") = "9"
    & skf18("7","10","3","7","4","10","1") = "9"
    & skf18("7","10","3","7","5","1","1") = "9"
    & skf18("7","10","3","7","5","2","1") = "9"
    & skf18("7","10","3","7","5","3","1") = "9"
    & skf18("7","10","3","7","5","4","1") = "9"
    & skf18("7","10","3","7","5","5","1") = "9"
    & skf18("7","10","3","7","5","6","1") = "9"
    & skf18("7","10","3","7","5","7","1") = "9"
    & skf18("7","10","3","7","5","8","1") = "9"
    & skf18("7","10","3","7","5","9","1") = "9"
    & skf18("7","10","3","7","5","10","1") = "9"
    & skf18("7","10","3","7","6","1","1") = "9"
    & skf18("7","10","3","7","6","2","1") = "9"
    & skf18("7","10","3","7","6","3","1") = "9"
    & skf18("7","10","3","7","6","4","1") = "9"
    & skf18("7","10","3","7","6","5","1") = "9"
    & skf18("7","10","3","7","6","6","1") = "9"
    & skf18("7","10","3","7","6","7","1") = "9"
    & skf18("7","10","3","7","6","8","1") = "9"
    & skf18("7","10","3","7","6","9","1") = "9"
    & skf18("7","10","3","7","6","10","1") = "9"
    & skf18("7","10","3","7","7","1","1") = "9"
    & skf18("7","10","3","7","7","2","1") = "9"
    & skf18("7","10","3","7","7","3","1") = "9"
    & skf18("7","10","3","7","7","4","1") = "9"
    & skf18("7","10","3","7","7","5","1") = "9"
    & skf18("7","10","3","7","7","6","1") = "9"
    & skf18("7","10","3","7","7","7","1") = "9"
    & skf18("7","10","3","7","7","8","1") = "9"
    & skf18("7","10","3","7","7","9","1") = "9"
    & skf18("7","10","3","7","7","10","1") = "9"
    & skf18("7","10","3","7","8","1","1") = "9"
    & skf18("7","10","3","7","8","2","1") = "9"
    & skf18("7","10","3","7","8","3","1") = "9"
    & skf18("7","10","3","7","8","4","1") = "9"
    & skf18("7","10","3","7","8","5","1") = "9"
    & skf18("7","10","3","7","8","6","1") = "9"
    & skf18("7","10","3","7","8","7","1") = "9"
    & skf18("7","10","3","7","8","8","1") = "9"
    & skf18("7","10","3","7","8","9","1") = "9"
    & skf18("7","10","3","7","8","10","1") = "9"
    & skf18("7","10","3","7","9","1","1") = "9"
    & skf18("7","10","3","7","9","2","1") = "9"
    & skf18("7","10","3","7","9","3","1") = "9"
    & skf18("7","10","3","7","9","4","1") = "9"
    & skf18("7","10","3","7","9","5","1") = "9"
    & skf18("7","10","3","7","9","6","1") = "9"
    & skf18("7","10","3","7","9","7","1") = "9"
    & skf18("7","10","3","7","9","8","1") = "9"
    & skf18("7","10","3","7","9","9","1") = "9"
    & skf18("7","10","3","7","9","10","1") = "9"
    & skf18("7","10","3","7","10","1","1") = "9"
    & skf18("7","10","3","7","10","2","1") = "9"
    & skf18("7","10","3","7","10","3","1") = "9"
    & skf18("7","10","3","7","10","4","1") = "9"
    & skf18("7","10","3","7","10","5","1") = "9"
    & skf18("7","10","3","7","10","6","1") = "9"
    & skf18("7","10","3","7","10","7","1") = "9"
    & skf18("7","10","3","7","10","8","1") = "9"
    & skf18("7","10","3","7","10","9","1") = "9"
    & skf18("7","10","3","7","10","10","1") = "9"
    & skf18("7","10","3","8","1","1","1") = "9"
    & skf18("7","10","3","8","1","2","1") = "9"
    & skf18("7","10","3","8","1","3","1") = "9"
    & skf18("7","10","3","8","1","4","1") = "9"
    & skf18("7","10","3","8","1","5","1") = "9"
    & skf18("7","10","3","8","1","6","1") = "9"
    & skf18("7","10","3","8","1","7","1") = "9"
    & skf18("7","10","3","8","1","8","1") = "9"
    & skf18("7","10","3","8","1","9","1") = "9"
    & skf18("7","10","3","8","1","10","1") = "9"
    & skf18("7","10","3","8","2","1","1") = "9"
    & skf18("7","10","3","8","2","2","1") = "9"
    & skf18("7","10","3","8","2","3","1") = "9"
    & skf18("7","10","3","8","2","4","1") = "9"
    & skf18("7","10","3","8","2","5","1") = "9"
    & skf18("7","10","3","8","2","6","1") = "9"
    & skf18("7","10","3","8","2","7","1") = "9"
    & skf18("7","10","3","8","2","8","1") = "9"
    & skf18("7","10","3","8","2","9","1") = "9"
    & skf18("7","10","3","8","2","10","1") = "9"
    & skf18("7","10","3","8","3","1","1") = "9"
    & skf18("7","10","3","8","3","2","1") = "9"
    & skf18("7","10","3","8","3","3","1") = "9"
    & skf18("7","10","3","8","3","4","1") = "9"
    & skf18("7","10","3","8","3","5","1") = "9"
    & skf18("7","10","3","8","3","6","1") = "9"
    & skf18("7","10","3","8","3","7","1") = "9"
    & skf18("7","10","3","8","3","8","1") = "9"
    & skf18("7","10","3","8","3","9","1") = "9"
    & skf18("7","10","3","8","3","10","1") = "9"
    & skf18("7","10","3","8","4","1","1") = "9"
    & skf18("7","10","3","8","4","2","1") = "9"
    & skf18("7","10","3","8","4","3","1") = "9"
    & skf18("7","10","3","8","4","4","1") = "9"
    & skf18("7","10","3","8","4","5","1") = "9"
    & skf18("7","10","3","8","4","6","1") = "9"
    & skf18("7","10","3","8","4","7","1") = "9"
    & skf18("7","10","3","8","4","8","1") = "9"
    & skf18("7","10","3","8","4","9","1") = "9"
    & skf18("7","10","3","8","4","10","1") = "9"
    & skf18("7","10","3","8","5","1","1") = "9"
    & skf18("7","10","3","8","5","2","1") = "9"
    & skf18("7","10","3","8","5","3","1") = "9"
    & skf18("7","10","3","8","5","4","1") = "9"
    & skf18("7","10","3","8","5","5","1") = "9"
    & skf18("7","10","3","8","5","6","1") = "9"
    & skf18("7","10","3","8","5","7","1") = "9"
    & skf18("7","10","3","8","5","8","1") = "9"
    & skf18("7","10","3","8","5","9","1") = "9"
    & skf18("7","10","3","8","5","10","1") = "9"
    & skf18("7","10","3","8","6","1","1") = "9"
    & skf18("7","10","3","8","6","2","1") = "9"
    & skf18("7","10","3","8","6","3","1") = "9"
    & skf18("7","10","3","8","6","4","1") = "9"
    & skf18("7","10","3","8","6","5","1") = "9"
    & skf18("7","10","3","8","6","6","1") = "9"
    & skf18("7","10","3","8","6","7","1") = "9"
    & skf18("7","10","3","8","6","8","1") = "9"
    & skf18("7","10","3","8","6","9","1") = "9"
    & skf18("7","10","3","8","6","10","1") = "9"
    & skf18("7","10","3","8","7","1","1") = "9"
    & skf18("7","10","3","8","7","2","1") = "9"
    & skf18("7","10","3","8","7","3","1") = "9"
    & skf18("7","10","3","8","7","4","1") = "9"
    & skf18("7","10","3","8","7","5","1") = "9"
    & skf18("7","10","3","8","7","6","1") = "9"
    & skf18("7","10","3","8","7","7","1") = "9"
    & skf18("7","10","3","8","7","8","1") = "9"
    & skf18("7","10","3","8","7","9","1") = "9"
    & skf18("7","10","3","8","7","10","1") = "9"
    & skf18("7","10","3","8","8","1","1") = "9"
    & skf18("7","10","3","8","8","2","1") = "9"
    & skf18("7","10","3","8","8","3","1") = "9"
    & skf18("7","10","3","8","8","4","1") = "9"
    & skf18("7","10","3","8","8","5","1") = "9"
    & skf18("7","10","3","8","8","6","1") = "9"
    & skf18("7","10","3","8","8","7","1") = "9"
    & skf18("7","10","3","8","8","8","1") = "9"
    & skf18("7","10","3","8","8","9","1") = "9"
    & skf18("7","10","3","8","8","10","1") = "9"
    & skf18("7","10","3","8","9","1","1") = "9"
    & skf18("7","10","3","8","9","2","1") = "9"
    & skf18("7","10","3","8","9","3","1") = "9"
    & skf18("7","10","3","8","9","4","1") = "9"
    & skf18("7","10","3","8","9","5","1") = "9"
    & skf18("7","10","3","8","9","6","1") = "9"
    & skf18("7","10","3","8","9","7","1") = "9"
    & skf18("7","10","3","8","9","8","1") = "9"
    & skf18("7","10","3","8","9","9","1") = "9"
    & skf18("7","10","3","8","9","10","1") = "9"
    & skf18("7","10","3","8","10","1","1") = "9"
    & skf18("7","10","3","8","10","2","1") = "9"
    & skf18("7","10","3","8","10","3","1") = "9"
    & skf18("7","10","3","8","10","4","1") = "9"
    & skf18("7","10","3","8","10","5","1") = "9"
    & skf18("7","10","3","8","10","6","1") = "9"
    & skf18("7","10","3","8","10","7","1") = "9"
    & skf18("7","10","3","8","10","8","1") = "9"
    & skf18("7","10","3","8","10","9","1") = "9"
    & skf18("7","10","3","8","10","10","1") = "9"
    & skf18("7","10","3","9","1","1","1") = "9"
    & skf18("7","10","3","9","1","2","1") = "9"
    & skf18("7","10","3","9","1","3","1") = "9"
    & skf18("7","10","3","9","1","4","1") = "9"
    & skf18("7","10","3","9","1","5","1") = "9"
    & skf18("7","10","3","9","1","6","1") = "9"
    & skf18("7","10","3","9","1","7","1") = "9"
    & skf18("7","10","3","9","1","8","1") = "9"
    & skf18("7","10","3","9","1","9","1") = "9"
    & skf18("7","10","3","9","1","10","1") = "9"
    & skf18("7","10","3","9","2","1","1") = "9"
    & skf18("7","10","3","9","2","2","1") = "9"
    & skf18("7","10","3","9","2","3","1") = "9"
    & skf18("7","10","3","9","2","4","1") = "9"
    & skf18("7","10","3","9","2","5","1") = "9"
    & skf18("7","10","3","9","2","6","1") = "9"
    & skf18("7","10","3","9","2","7","1") = "9"
    & skf18("7","10","3","9","2","8","1") = "9"
    & skf18("7","10","3","9","2","9","1") = "9"
    & skf18("7","10","3","9","2","10","1") = "9"
    & skf18("7","10","3","9","3","1","1") = "9"
    & skf18("7","10","3","9","3","2","1") = "9"
    & skf18("7","10","3","9","3","3","1") = "9"
    & skf18("7","10","3","9","3","4","1") = "9"
    & skf18("7","10","3","9","3","5","1") = "9"
    & skf18("7","10","3","9","3","6","1") = "9"
    & skf18("7","10","3","9","3","7","1") = "9"
    & skf18("7","10","3","9","3","8","1") = "9"
    & skf18("7","10","3","9","3","9","1") = "9"
    & skf18("7","10","3","9","3","10","1") = "9"
    & skf18("7","10","3","9","4","1","1") = "9"
    & skf18("7","10","3","9","4","2","1") = "9"
    & skf18("7","10","3","9","4","3","1") = "9"
    & skf18("7","10","3","9","4","4","1") = "9"
    & skf18("7","10","3","9","4","5","1") = "9"
    & skf18("7","10","3","9","4","6","1") = "9"
    & skf18("7","10","3","9","4","7","1") = "9"
    & skf18("7","10","3","9","4","8","1") = "9"
    & skf18("7","10","3","9","4","9","1") = "9"
    & skf18("7","10","3","9","4","10","1") = "9"
    & skf18("7","10","3","9","5","1","1") = "9"
    & skf18("7","10","3","9","5","2","1") = "9"
    & skf18("7","10","3","9","5","3","1") = "9"
    & skf18("7","10","3","9","5","4","1") = "9"
    & skf18("7","10","3","9","5","5","1") = "9"
    & skf18("7","10","3","9","5","6","1") = "9"
    & skf18("7","10","3","9","5","7","1") = "9"
    & skf18("7","10","3","9","5","8","1") = "9"
    & skf18("7","10","3","9","5","9","1") = "9"
    & skf18("7","10","3","9","5","10","1") = "9"
    & skf18("7","10","3","9","6","1","1") = "9"
    & skf18("7","10","3","9","6","2","1") = "9"
    & skf18("7","10","3","9","6","3","1") = "9"
    & skf18("7","10","3","9","6","4","1") = "9"
    & skf18("7","10","3","9","6","5","1") = "9"
    & skf18("7","10","3","9","6","6","1") = "9"
    & skf18("7","10","3","9","6","7","1") = "9"
    & skf18("7","10","3","9","6","8","1") = "9"
    & skf18("7","10","3","9","6","9","1") = "9"
    & skf18("7","10","3","9","6","10","1") = "9"
    & skf18("7","10","3","9","7","1","1") = "9"
    & skf18("7","10","3","9","7","2","1") = "9"
    & skf18("7","10","3","9","7","3","1") = "9"
    & skf18("7","10","3","9","7","4","1") = "9"
    & skf18("7","10","3","9","7","5","1") = "9"
    & skf18("7","10","3","9","7","6","1") = "9"
    & skf18("7","10","3","9","7","7","1") = "9"
    & skf18("7","10","3","9","7","8","1") = "9"
    & skf18("7","10","3","9","7","9","1") = "9"
    & skf18("7","10","3","9","7","10","1") = "9"
    & skf18("7","10","3","9","8","1","1") = "9"
    & skf18("7","10","3","9","8","2","1") = "9"
    & skf18("7","10","3","9","8","3","1") = "9"
    & skf18("7","10","3","9","8","4","1") = "9"
    & skf18("7","10","3","9","8","5","1") = "9"
    & skf18("7","10","3","9","8","6","1") = "9"
    & skf18("7","10","3","9","8","7","1") = "9"
    & skf18("7","10","3","9","8","8","1") = "9"
    & skf18("7","10","3","9","8","9","1") = "9"
    & skf18("7","10","3","9","8","10","1") = "9"
    & skf18("7","10","3","9","9","1","1") = "9"
    & skf18("7","10","3","9","9","2","1") = "9"
    & skf18("7","10","3","9","9","3","1") = "9"
    & skf18("7","10","3","9","9","4","1") = "9"
    & skf18("7","10","3","9","9","5","1") = "9"
    & skf18("7","10","3","9","9","6","1") = "9"
    & skf18("7","10","3","9","9","7","1") = "9"
    & skf18("7","10","3","9","9","8","1") = "9"
    & skf18("7","10","3","9","9","9","1") = "9"
    & skf18("7","10","3","9","9","10","1") = "9"
    & skf18("7","10","3","9","10","1","1") = "9"
    & skf18("7","10","3","9","10","2","1") = "9"
    & skf18("7","10","3","9","10","3","1") = "9"
    & skf18("7","10","3","9","10","4","1") = "9"
    & skf18("7","10","3","9","10","5","1") = "9"
    & skf18("7","10","3","9","10","6","1") = "9"
    & skf18("7","10","3","9","10","7","1") = "9"
    & skf18("7","10","3","9","10","8","1") = "9"
    & skf18("7","10","3","9","10","9","1") = "9"
    & skf18("7","10","3","9","10","10","1") = "9"
    & skf18("7","10","3","10","1","1","1") = "9"
    & skf18("7","10","3","10","1","2","1") = "9"
    & skf18("7","10","3","10","1","3","1") = "9"
    & skf18("7","10","3","10","1","4","1") = "9"
    & skf18("7","10","3","10","1","5","1") = "9"
    & skf18("7","10","3","10","1","6","1") = "9"
    & skf18("7","10","3","10","1","7","1") = "9"
    & skf18("7","10","3","10","1","8","1") = "9"
    & skf18("7","10","3","10","1","9","1") = "9"
    & skf18("7","10","3","10","1","10","1") = "9"
    & skf18("7","10","3","10","2","1","1") = "9"
    & skf18("7","10","3","10","2","2","1") = "9"
    & skf18("7","10","3","10","2","3","1") = "9"
    & skf18("7","10","3","10","2","4","1") = "9"
    & skf18("7","10","3","10","2","5","1") = "9"
    & skf18("7","10","3","10","2","6","1") = "9"
    & skf18("7","10","3","10","2","7","1") = "9"
    & skf18("7","10","3","10","2","8","1") = "9"
    & skf18("7","10","3","10","2","9","1") = "9"
    & skf18("7","10","3","10","2","10","1") = "9"
    & skf18("7","10","3","10","3","1","1") = "9"
    & skf18("7","10","3","10","3","2","1") = "9"
    & skf18("7","10","3","10","3","3","1") = "9"
    & skf18("7","10","3","10","3","4","1") = "9"
    & skf18("7","10","3","10","3","5","1") = "9"
    & skf18("7","10","3","10","3","6","1") = "9"
    & skf18("7","10","3","10","3","7","1") = "9"
    & skf18("7","10","3","10","3","8","1") = "9"
    & skf18("7","10","3","10","3","9","1") = "9"
    & skf18("7","10","3","10","3","10","1") = "9"
    & skf18("7","10","3","10","4","1","1") = "9"
    & skf18("7","10","3","10","4","2","1") = "9"
    & skf18("7","10","3","10","4","3","1") = "9"
    & skf18("7","10","3","10","4","4","1") = "9"
    & skf18("7","10","3","10","4","5","1") = "9"
    & skf18("7","10","3","10","4","6","1") = "9"
    & skf18("7","10","3","10","4","7","1") = "9"
    & skf18("7","10","3","10","4","8","1") = "9"
    & skf18("7","10","3","10","4","9","1") = "9"
    & skf18("7","10","3","10","4","10","1") = "9"
    & skf18("7","10","3","10","5","1","1") = "9"
    & skf18("7","10","3","10","5","2","1") = "9"
    & skf18("7","10","3","10","5","3","1") = "9"
    & skf18("7","10","3","10","5","4","1") = "9"
    & skf18("7","10","3","10","5","5","1") = "9"
    & skf18("7","10","3","10","5","6","1") = "9"
    & skf18("7","10","3","10","5","7","1") = "9"
    & skf18("7","10","3","10","5","8","1") = "9"
    & skf18("7","10","3","10","5","9","1") = "9"
    & skf18("7","10","3","10","5","10","1") = "9"
    & skf18("7","10","3","10","6","1","1") = "9"
    & skf18("7","10","3","10","6","2","1") = "9"
    & skf18("7","10","3","10","6","3","1") = "9"
    & skf18("7","10","3","10","6","4","1") = "9"
    & skf18("7","10","3","10","6","5","1") = "9"
    & skf18("7","10","3","10","6","6","1") = "9"
    & skf18("7","10","3","10","6","7","1") = "9"
    & skf18("7","10","3","10","6","8","1") = "9"
    & skf18("7","10","3","10","6","9","1") = "9"
    & skf18("7","10","3","10","6","10","1") = "9"
    & skf18("7","10","3","10","7","1","1") = "9"
    & skf18("7","10","3","10","7","2","1") = "9"
    & skf18("7","10","3","10","7","3","1") = "9"
    & skf18("7","10","3","10","7","4","1") = "9"
    & skf18("7","10","3","10","7","5","1") = "9"
    & skf18("7","10","3","10","7","6","1") = "9"
    & skf18("7","10","3","10","7","7","1") = "9"
    & skf18("7","10","3","10","7","8","1") = "9"
    & skf18("7","10","3","10","7","9","1") = "9"
    & skf18("7","10","3","10","7","10","1") = "9"
    & skf18("7","10","3","10","8","1","1") = "9"
    & skf18("7","10","3","10","8","2","1") = "9"
    & skf18("7","10","3","10","8","3","1") = "9"
    & skf18("7","10","3","10","8","4","1") = "9"
    & skf18("7","10","3","10","8","5","1") = "9"
    & skf18("7","10","3","10","8","6","1") = "9"
    & skf18("7","10","3","10","8","7","1") = "9"
    & skf18("7","10","3","10","8","8","1") = "9"
    & skf18("7","10","3","10","8","9","1") = "9"
    & skf18("7","10","3","10","8","10","1") = "9"
    & skf18("7","10","3","10","9","1","1") = "9"
    & skf18("7","10","3","10","9","2","1") = "9"
    & skf18("7","10","3","10","9","3","1") = "9"
    & skf18("7","10","3","10","9","4","1") = "9"
    & skf18("7","10","3","10","9","5","1") = "9"
    & skf18("7","10","3","10","9","6","1") = "9"
    & skf18("7","10","3","10","9","7","1") = "9"
    & skf18("7","10","3","10","9","8","1") = "9"
    & skf18("7","10","3","10","9","9","1") = "9"
    & skf18("7","10","3","10","9","10","1") = "9"
    & skf18("7","10","3","10","10","1","1") = "9"
    & skf18("7","10","3","10","10","2","1") = "9"
    & skf18("7","10","3","10","10","3","1") = "9"
    & skf18("7","10","3","10","10","4","1") = "9"
    & skf18("7","10","3","10","10","5","1") = "9"
    & skf18("7","10","3","10","10","6","1") = "9"
    & skf18("7","10","3","10","10","7","1") = "9"
    & skf18("7","10","3","10","10","8","1") = "9"
    & skf18("7","10","3","10","10","9","1") = "9"
    & skf18("7","10","3","10","10","10","1") = "9"
    & skf18("7","10","4","1","1","1","1") = "9"
    & skf18("7","10","4","1","1","2","1") = "9"
    & skf18("7","10","4","1","1","3","1") = "9"
    & skf18("7","10","4","1","1","4","1") = "9"
    & skf18("7","10","4","1","1","5","1") = "9"
    & skf18("7","10","4","1","1","6","1") = "9"
    & skf18("7","10","4","1","1","7","1") = "9"
    & skf18("7","10","4","1","1","8","1") = "9"
    & skf18("7","10","4","1","1","9","1") = "9"
    & skf18("7","10","4","1","1","10","1") = "9"
    & skf18("7","10","4","1","2","1","1") = "9"
    & skf18("7","10","4","1","2","2","1") = "9"
    & skf18("7","10","4","1","2","3","1") = "9"
    & skf18("7","10","4","1","2","4","1") = "9"
    & skf18("7","10","4","1","2","5","1") = "9"
    & skf18("7","10","4","1","2","6","1") = "9"
    & skf18("7","10","4","1","2","7","1") = "9"
    & skf18("7","10","4","1","2","8","1") = "9"
    & skf18("7","10","4","1","2","9","1") = "9"
    & skf18("7","10","4","1","2","10","1") = "9"
    & skf18("7","10","4","1","3","1","1") = "9"
    & skf18("7","10","4","1","3","2","1") = "9"
    & skf18("7","10","4","1","3","3","1") = "9"
    & skf18("7","10","4","1","3","4","1") = "9"
    & skf18("7","10","4","1","3","5","1") = "9"
    & skf18("7","10","4","1","3","6","1") = "9"
    & skf18("7","10","4","1","3","7","1") = "9"
    & skf18("7","10","4","1","3","8","1") = "9"
    & skf18("7","10","4","1","3","9","1") = "9"
    & skf18("7","10","4","1","3","10","1") = "9"
    & skf18("7","10","4","1","4","1","1") = "9"
    & skf18("7","10","4","1","4","2","1") = "9"
    & skf18("7","10","4","1","4","3","1") = "9"
    & skf18("7","10","4","1","4","4","1") = "9"
    & skf18("7","10","4","1","4","5","1") = "9"
    & skf18("7","10","4","1","4","6","1") = "9"
    & skf18("7","10","4","1","4","7","1") = "9"
    & skf18("7","10","4","1","4","8","1") = "9"
    & skf18("7","10","4","1","4","9","1") = "9"
    & skf18("7","10","4","1","4","10","1") = "9"
    & skf18("7","10","4","1","5","1","1") = "9"
    & skf18("7","10","4","1","5","2","1") = "9"
    & skf18("7","10","4","1","5","3","1") = "9"
    & skf18("7","10","4","1","5","4","1") = "9"
    & skf18("7","10","4","1","5","5","1") = "9"
    & skf18("7","10","4","1","5","6","1") = "9"
    & skf18("7","10","4","1","5","7","1") = "9"
    & skf18("7","10","4","1","5","8","1") = "9"
    & skf18("7","10","4","1","5","9","1") = "9"
    & skf18("7","10","4","1","5","10","1") = "9"
    & skf18("7","10","4","1","6","1","1") = "9"
    & skf18("7","10","4","1","6","2","1") = "9"
    & skf18("7","10","4","1","6","3","1") = "9"
    & skf18("7","10","4","1","6","4","1") = "9"
    & skf18("7","10","4","1","6","5","1") = "9"
    & skf18("7","10","4","1","6","6","1") = "9"
    & skf18("7","10","4","1","6","7","1") = "9"
    & skf18("7","10","4","1","6","8","1") = "9"
    & skf18("7","10","4","1","6","9","1") = "9"
    & skf18("7","10","4","1","6","10","1") = "9"
    & skf18("7","10","4","1","7","1","1") = "9"
    & skf18("7","10","4","1","7","2","1") = "9"
    & skf18("7","10","4","1","7","3","1") = "9"
    & skf18("7","10","4","1","7","4","1") = "9"
    & skf18("7","10","4","1","7","5","1") = "9"
    & skf18("7","10","4","1","7","6","1") = "9"
    & skf18("7","10","4","1","7","7","1") = "9"
    & skf18("7","10","4","1","7","8","1") = "9"
    & skf18("7","10","4","1","7","9","1") = "9"
    & skf18("7","10","4","1","7","10","1") = "9"
    & skf18("7","10","4","1","8","1","1") = "9"
    & skf18("7","10","4","1","8","2","1") = "9"
    & skf18("7","10","4","1","8","3","1") = "9"
    & skf18("7","10","4","1","8","4","1") = "9"
    & skf18("7","10","4","1","8","5","1") = "9"
    & skf18("7","10","4","1","8","6","1") = "9"
    & skf18("7","10","4","1","8","7","1") = "9"
    & skf18("7","10","4","1","8","8","1") = "9"
    & skf18("7","10","4","1","8","9","1") = "9"
    & skf18("7","10","4","1","8","10","1") = "9"
    & skf18("7","10","4","1","9","1","1") = "9"
    & skf18("7","10","4","1","9","2","1") = "9"
    & skf18("7","10","4","1","9","3","1") = "9"
    & skf18("7","10","4","1","9","4","1") = "9"
    & skf18("7","10","4","1","9","5","1") = "9"
    & skf18("7","10","4","1","9","6","1") = "9"
    & skf18("7","10","4","1","9","7","1") = "9"
    & skf18("7","10","4","1","9","8","1") = "9"
    & skf18("7","10","4","1","9","9","1") = "9"
    & skf18("7","10","4","1","9","10","1") = "9"
    & skf18("7","10","4","1","10","1","1") = "9"
    & skf18("7","10","4","1","10","2","1") = "9"
    & skf18("7","10","4","1","10","3","1") = "9"
    & skf18("7","10","4","1","10","4","1") = "9"
    & skf18("7","10","4","1","10","5","1") = "9"
    & skf18("7","10","4","1","10","6","1") = "9"
    & skf18("7","10","4","1","10","7","1") = "9"
    & skf18("7","10","4","1","10","8","1") = "9"
    & skf18("7","10","4","1","10","9","1") = "9"
    & skf18("7","10","4","1","10","10","1") = "9"
    & skf18("7","10","4","2","1","1","1") = "9"
    & skf18("7","10","4","2","1","2","1") = "9"
    & skf18("7","10","4","2","1","3","1") = "9"
    & skf18("7","10","4","2","1","4","1") = "9"
    & skf18("7","10","4","2","1","5","1") = "9"
    & skf18("7","10","4","2","1","6","1") = "9"
    & skf18("7","10","4","2","1","7","1") = "9"
    & skf18("7","10","4","2","1","8","1") = "9"
    & skf18("7","10","4","2","1","9","1") = "9"
    & skf18("7","10","4","2","1","10","1") = "9"
    & skf18("7","10","4","2","2","1","1") = "9"
    & skf18("7","10","4","2","2","2","1") = "9"
    & skf18("7","10","4","2","2","3","1") = "9"
    & skf18("7","10","4","2","2","4","1") = "9"
    & skf18("7","10","4","2","2","5","1") = "9"
    & skf18("7","10","4","2","2","6","1") = "9"
    & skf18("7","10","4","2","2","7","1") = "9"
    & skf18("7","10","4","2","2","8","1") = "9"
    & skf18("7","10","4","2","2","9","1") = "9"
    & skf18("7","10","4","2","2","10","1") = "9"
    & skf18("7","10","4","2","3","1","1") = "9"
    & skf18("7","10","4","2","3","2","1") = "9"
    & skf18("7","10","4","2","3","3","1") = "9"
    & skf18("7","10","4","2","3","4","1") = "9"
    & skf18("7","10","4","2","3","5","1") = "9"
    & skf18("7","10","4","2","3","6","1") = "9"
    & skf18("7","10","4","2","3","7","1") = "9"
    & skf18("7","10","4","2","3","8","1") = "9"
    & skf18("7","10","4","2","3","9","1") = "9"
    & skf18("7","10","4","2","3","10","1") = "9"
    & skf18("7","10","4","2","4","1","1") = "9"
    & skf18("7","10","4","2","4","2","1") = "9"
    & skf18("7","10","4","2","4","3","1") = "9"
    & skf18("7","10","4","2","4","4","1") = "9"
    & skf18("7","10","4","2","4","5","1") = "9"
    & skf18("7","10","4","2","4","6","1") = "9"
    & skf18("7","10","4","2","4","7","1") = "9"
    & skf18("7","10","4","2","4","8","1") = "9"
    & skf18("7","10","4","2","4","9","1") = "9"
    & skf18("7","10","4","2","4","10","1") = "9"
    & skf18("7","10","4","2","5","1","1") = "9"
    & skf18("7","10","4","2","5","2","1") = "9"
    & skf18("7","10","4","2","5","3","1") = "9"
    & skf18("7","10","4","2","5","4","1") = "9"
    & skf18("7","10","4","2","5","5","1") = "9"
    & skf18("7","10","4","2","5","6","1") = "9"
    & skf18("7","10","4","2","5","7","1") = "9"
    & skf18("7","10","4","2","5","8","1") = "9"
    & skf18("7","10","4","2","5","9","1") = "9"
    & skf18("7","10","4","2","5","10","1") = "9"
    & skf18("7","10","4","2","6","1","1") = "9"
    & skf18("7","10","4","2","6","2","1") = "9"
    & skf18("7","10","4","2","6","3","1") = "9"
    & skf18("7","10","4","2","6","4","1") = "9"
    & skf18("7","10","4","2","6","5","1") = "9"
    & skf18("7","10","4","2","6","6","1") = "9"
    & skf18("7","10","4","2","6","7","1") = "9"
    & skf18("7","10","4","2","6","8","1") = "9"
    & skf18("7","10","4","2","6","9","1") = "9"
    & skf18("7","10","4","2","6","10","1") = "9"
    & skf18("7","10","4","2","7","1","1") = "9"
    & skf18("7","10","4","2","7","2","1") = "9"
    & skf18("7","10","4","2","7","3","1") = "9"
    & skf18("7","10","4","2","7","4","1") = "9"
    & skf18("7","10","4","2","7","5","1") = "9"
    & skf18("7","10","4","2","7","6","1") = "9"
    & skf18("7","10","4","2","7","7","1") = "9"
    & skf18("7","10","4","2","7","8","1") = "9"
    & skf18("7","10","4","2","7","9","1") = "9"
    & skf18("7","10","4","2","7","10","1") = "9"
    & skf18("7","10","4","2","8","1","1") = "9"
    & skf18("7","10","4","2","8","2","1") = "9"
    & skf18("7","10","4","2","8","3","1") = "9"
    & skf18("7","10","4","2","8","4","1") = "9"
    & skf18("7","10","4","2","8","5","1") = "9"
    & skf18("7","10","4","2","8","6","1") = "9"
    & skf18("7","10","4","2","8","7","1") = "9"
    & skf18("7","10","4","2","8","8","1") = "9"
    & skf18("7","10","4","2","8","9","1") = "9"
    & skf18("7","10","4","2","8","10","1") = "9"
    & skf18("7","10","4","2","9","1","1") = "9"
    & skf18("7","10","4","2","9","2","1") = "9"
    & skf18("7","10","4","2","9","3","1") = "9"
    & skf18("7","10","4","2","9","4","1") = "9"
    & skf18("7","10","4","2","9","5","1") = "9"
    & skf18("7","10","4","2","9","6","1") = "9"
    & skf18("7","10","4","2","9","7","1") = "9"
    & skf18("7","10","4","2","9","8","1") = "9"
    & skf18("7","10","4","2","9","9","1") = "9"
    & skf18("7","10","4","2","9","10","1") = "9"
    & skf18("7","10","4","2","10","1","1") = "9"
    & skf18("7","10","4","2","10","2","1") = "9"
    & skf18("7","10","4","2","10","3","1") = "9"
    & skf18("7","10","4","2","10","4","1") = "9"
    & skf18("7","10","4","2","10","5","1") = "9"
    & skf18("7","10","4","2","10","6","1") = "9"
    & skf18("7","10","4","2","10","7","1") = "9"
    & skf18("7","10","4","2","10","8","1") = "9"
    & skf18("7","10","4","2","10","9","1") = "9"
    & skf18("7","10","4","2","10","10","1") = "9"
    & skf18("7","10","4","3","1","1","1") = "9"
    & skf18("7","10","4","3","1","2","1") = "9"
    & skf18("7","10","4","3","1","3","1") = "9"
    & skf18("7","10","4","3","1","4","1") = "9"
    & skf18("7","10","4","3","1","5","1") = "9"
    & skf18("7","10","4","3","1","6","1") = "9"
    & skf18("7","10","4","3","1","7","1") = "9"
    & skf18("7","10","4","3","1","8","1") = "9"
    & skf18("7","10","4","3","1","9","1") = "9"
    & skf18("7","10","4","3","1","10","1") = "9"
    & skf18("7","10","4","3","2","1","1") = "9"
    & skf18("7","10","4","3","2","2","1") = "9"
    & skf18("7","10","4","3","2","3","1") = "9"
    & skf18("7","10","4","3","2","4","1") = "9"
    & skf18("7","10","4","3","2","5","1") = "9"
    & skf18("7","10","4","3","2","6","1") = "9"
    & skf18("7","10","4","3","2","7","1") = "9"
    & skf18("7","10","4","3","2","8","1") = "9"
    & skf18("7","10","4","3","2","9","1") = "9"
    & skf18("7","10","4","3","2","10","1") = "9"
    & skf18("7","10","4","3","3","1","1") = "9"
    & skf18("7","10","4","3","3","2","1") = "9"
    & skf18("7","10","4","3","3","3","1") = "9"
    & skf18("7","10","4","3","3","4","1") = "9"
    & skf18("7","10","4","3","3","5","1") = "9"
    & skf18("7","10","4","3","3","6","1") = "9"
    & skf18("7","10","4","3","3","7","1") = "9"
    & skf18("7","10","4","3","3","8","1") = "9"
    & skf18("7","10","4","3","3","9","1") = "9"
    & skf18("7","10","4","3","3","10","1") = "9"
    & skf18("7","10","4","3","4","1","1") = "9"
    & skf18("7","10","4","3","4","2","1") = "9"
    & skf18("7","10","4","3","4","3","1") = "9"
    & skf18("7","10","4","3","4","4","1") = "9"
    & skf18("7","10","4","3","4","5","1") = "9"
    & skf18("7","10","4","3","4","6","1") = "9"
    & skf18("7","10","4","3","4","7","1") = "9"
    & skf18("7","10","4","3","4","8","1") = "9"
    & skf18("7","10","4","3","4","9","1") = "9"
    & skf18("7","10","4","3","4","10","1") = "9"
    & skf18("7","10","4","3","5","1","1") = "9"
    & skf18("7","10","4","3","5","2","1") = "9"
    & skf18("7","10","4","3","5","3","1") = "9"
    & skf18("7","10","4","3","5","4","1") = "9"
    & skf18("7","10","4","3","5","5","1") = "9"
    & skf18("7","10","4","3","5","6","1") = "9"
    & skf18("7","10","4","3","5","7","1") = "9"
    & skf18("7","10","4","3","5","8","1") = "9"
    & skf18("7","10","4","3","5","9","1") = "9"
    & skf18("7","10","4","3","5","10","1") = "9"
    & skf18("7","10","4","3","6","1","1") = "9"
    & skf18("7","10","4","3","6","2","1") = "9"
    & skf18("7","10","4","3","6","3","1") = "9"
    & skf18("7","10","4","3","6","4","1") = "9"
    & skf18("7","10","4","3","6","5","1") = "9"
    & skf18("7","10","4","3","6","6","1") = "9"
    & skf18("7","10","4","3","6","7","1") = "9"
    & skf18("7","10","4","3","6","8","1") = "9"
    & skf18("7","10","4","3","6","9","1") = "9"
    & skf18("7","10","4","3","6","10","1") = "9"
    & skf18("7","10","4","3","7","1","1") = "9"
    & skf18("7","10","4","3","7","2","1") = "9"
    & skf18("7","10","4","3","7","3","1") = "9"
    & skf18("7","10","4","3","7","4","1") = "9"
    & skf18("7","10","4","3","7","5","1") = "9"
    & skf18("7","10","4","3","7","6","1") = "9"
    & skf18("7","10","4","3","7","7","1") = "9"
    & skf18("7","10","4","3","7","8","1") = "9"
    & skf18("7","10","4","3","7","9","1") = "9"
    & skf18("7","10","4","3","7","10","1") = "9"
    & skf18("7","10","4","3","8","1","1") = "9"
    & skf18("7","10","4","3","8","2","1") = "9"
    & skf18("7","10","4","3","8","3","1") = "9"
    & skf18("7","10","4","3","8","4","1") = "9"
    & skf18("7","10","4","3","8","5","1") = "9"
    & skf18("7","10","4","3","8","6","1") = "9"
    & skf18("7","10","4","3","8","7","1") = "9"
    & skf18("7","10","4","3","8","8","1") = "9"
    & skf18("7","10","4","3","8","9","1") = "9"
    & skf18("7","10","4","3","8","10","1") = "9"
    & skf18("7","10","4","3","9","1","1") = "9"
    & skf18("7","10","4","3","9","2","1") = "9"
    & skf18("7","10","4","3","9","3","1") = "9"
    & skf18("7","10","4","3","9","4","1") = "9"
    & skf18("7","10","4","3","9","5","1") = "9"
    & skf18("7","10","4","3","9","6","1") = "9"
    & skf18("7","10","4","3","9","7","1") = "9"
    & skf18("7","10","4","3","9","8","1") = "9"
    & skf18("7","10","4","3","9","9","1") = "9"
    & skf18("7","10","4","3","9","10","1") = "9"
    & skf18("7","10","4","3","10","1","1") = "9"
    & skf18("7","10","4","3","10","2","1") = "9"
    & skf18("7","10","4","3","10","3","1") = "9"
    & skf18("7","10","4","3","10","4","1") = "9"
    & skf18("7","10","4","3","10","5","1") = "9"
    & skf18("7","10","4","3","10","6","1") = "9"
    & skf18("7","10","4","3","10","7","1") = "9"
    & skf18("7","10","4","3","10","8","1") = "9"
    & skf18("7","10","4","3","10","9","1") = "9"
    & skf18("7","10","4","3","10","10","1") = "9"
    & skf18("7","10","4","4","1","1","1") = "9"
    & skf18("7","10","4","4","1","2","1") = "9"
    & skf18("7","10","4","4","1","3","1") = "9"
    & skf18("7","10","4","4","1","4","1") = "9"
    & skf18("7","10","4","4","1","5","1") = "9"
    & skf18("7","10","4","4","1","6","1") = "9"
    & skf18("7","10","4","4","1","7","1") = "9"
    & skf18("7","10","4","4","1","8","1") = "9"
    & skf18("7","10","4","4","1","9","1") = "9"
    & skf18("7","10","4","4","1","10","1") = "9"
    & skf18("7","10","4","4","2","1","1") = "9"
    & skf18("7","10","4","4","2","2","1") = "9"
    & skf18("7","10","4","4","2","3","1") = "9"
    & skf18("7","10","4","4","2","4","1") = "9"
    & skf18("7","10","4","4","2","5","1") = "9"
    & skf18("7","10","4","4","2","6","1") = "9"
    & skf18("7","10","4","4","2","7","1") = "9"
    & skf18("7","10","4","4","2","8","1") = "9"
    & skf18("7","10","4","4","2","9","1") = "9"
    & skf18("7","10","4","4","2","10","1") = "9"
    & skf18("7","10","4","4","3","1","1") = "9"
    & skf18("7","10","4","4","3","2","1") = "9"
    & skf18("7","10","4","4","3","3","1") = "9"
    & skf18("7","10","4","4","3","4","1") = "9"
    & skf18("7","10","4","4","3","5","1") = "9"
    & skf18("7","10","4","4","3","6","1") = "9"
    & skf18("7","10","4","4","3","7","1") = "9"
    & skf18("7","10","4","4","3","8","1") = "9"
    & skf18("7","10","4","4","3","9","1") = "9"
    & skf18("7","10","4","4","3","10","1") = "9"
    & skf18("7","10","4","4","4","1","1") = "9"
    & skf18("7","10","4","4","4","2","1") = "9"
    & skf18("7","10","4","4","4","3","1") = "9"
    & skf18("7","10","4","4","4","4","1") = "9"
    & skf18("7","10","4","4","4","5","1") = "9"
    & skf18("7","10","4","4","4","6","1") = "9"
    & skf18("7","10","4","4","4","7","1") = "9"
    & skf18("7","10","4","4","4","8","1") = "9"
    & skf18("7","10","4","4","4","9","1") = "9"
    & skf18("7","10","4","4","4","10","1") = "9"
    & skf18("7","10","4","4","5","1","1") = "9"
    & skf18("7","10","4","4","5","2","1") = "9"
    & skf18("7","10","4","4","5","3","1") = "9"
    & skf18("7","10","4","4","5","4","1") = "9"
    & skf18("7","10","4","4","5","5","1") = "9"
    & skf18("7","10","4","4","5","6","1") = "9"
    & skf18("7","10","4","4","5","7","1") = "9"
    & skf18("7","10","4","4","5","8","1") = "9"
    & skf18("7","10","4","4","5","9","1") = "9"
    & skf18("7","10","4","4","5","10","1") = "9"
    & skf18("7","10","4","4","6","1","1") = "9"
    & skf18("7","10","4","4","6","2","1") = "9"
    & skf18("7","10","4","4","6","3","1") = "9"
    & skf18("7","10","4","4","6","4","1") = "9"
    & skf18("7","10","4","4","6","5","1") = "9"
    & skf18("7","10","4","4","6","6","1") = "9"
    & skf18("7","10","4","4","6","7","1") = "9"
    & skf18("7","10","4","4","6","8","1") = "9"
    & skf18("7","10","4","4","6","9","1") = "9"
    & skf18("7","10","4","4","6","10","1") = "9"
    & skf18("7","10","4","4","7","1","1") = "9"
    & skf18("7","10","4","4","7","2","1") = "9"
    & skf18("7","10","4","4","7","3","1") = "9"
    & skf18("7","10","4","4","7","4","1") = "9"
    & skf18("7","10","4","4","7","5","1") = "9"
    & skf18("7","10","4","4","7","6","1") = "9"
    & skf18("7","10","4","4","7","7","1") = "9"
    & skf18("7","10","4","4","7","8","1") = "9"
    & skf18("7","10","4","4","7","9","1") = "9"
    & skf18("7","10","4","4","7","10","1") = "9"
    & skf18("7","10","4","4","8","1","1") = "9"
    & skf18("7","10","4","4","8","2","1") = "9"
    & skf18("7","10","4","4","8","3","1") = "9"
    & skf18("7","10","4","4","8","4","1") = "9"
    & skf18("7","10","4","4","8","5","1") = "9"
    & skf18("7","10","4","4","8","6","1") = "9"
    & skf18("7","10","4","4","8","7","1") = "9"
    & skf18("7","10","4","4","8","8","1") = "9"
    & skf18("7","10","4","4","8","9","1") = "9"
    & skf18("7","10","4","4","8","10","1") = "9"
    & skf18("7","10","4","4","9","1","1") = "9"
    & skf18("7","10","4","4","9","2","1") = "9"
    & skf18("7","10","4","4","9","3","1") = "9"
    & skf18("7","10","4","4","9","4","1") = "9"
    & skf18("7","10","4","4","9","5","1") = "9"
    & skf18("7","10","4","4","9","6","1") = "9"
    & skf18("7","10","4","4","9","7","1") = "9"
    & skf18("7","10","4","4","9","8","1") = "9"
    & skf18("7","10","4","4","9","9","1") = "9"
    & skf18("7","10","4","4","9","10","1") = "9"
    & skf18("7","10","4","4","10","1","1") = "9"
    & skf18("7","10","4","4","10","2","1") = "9"
    & skf18("7","10","4","4","10","3","1") = "9"
    & skf18("7","10","4","4","10","4","1") = "9"
    & skf18("7","10","4","4","10","5","1") = "9"
    & skf18("7","10","4","4","10","6","1") = "9"
    & skf18("7","10","4","4","10","7","1") = "9"
    & skf18("7","10","4","4","10","8","1") = "9"
    & skf18("7","10","4","4","10","9","1") = "9"
    & skf18("7","10","4","4","10","10","1") = "9"
    & skf18("7","10","4","5","1","1","1") = "9"
    & skf18("7","10","4","5","1","2","1") = "9"
    & skf18("7","10","4","5","1","3","1") = "9"
    & skf18("7","10","4","5","1","4","1") = "9"
    & skf18("7","10","4","5","1","5","1") = "9"
    & skf18("7","10","4","5","1","6","1") = "9"
    & skf18("7","10","4","5","1","7","1") = "9"
    & skf18("7","10","4","5","1","8","1") = "9"
    & skf18("7","10","4","5","1","9","1") = "9"
    & skf18("7","10","4","5","1","10","1") = "9"
    & skf18("7","10","4","5","2","1","1") = "9"
    & skf18("7","10","4","5","2","2","1") = "9"
    & skf18("7","10","4","5","2","3","1") = "9"
    & skf18("7","10","4","5","2","4","1") = "9"
    & skf18("7","10","4","5","2","5","1") = "9"
    & skf18("7","10","4","5","2","6","1") = "9"
    & skf18("7","10","4","5","2","7","1") = "9"
    & skf18("7","10","4","5","2","8","1") = "9"
    & skf18("7","10","4","5","2","9","1") = "9"
    & skf18("7","10","4","5","2","10","1") = "9"
    & skf18("7","10","4","5","3","1","1") = "9"
    & skf18("7","10","4","5","3","2","1") = "9"
    & skf18("7","10","4","5","3","3","1") = "9"
    & skf18("7","10","4","5","3","4","1") = "9"
    & skf18("7","10","4","5","3","5","1") = "9"
    & skf18("7","10","4","5","3","6","1") = "9"
    & skf18("7","10","4","5","3","7","1") = "9"
    & skf18("7","10","4","5","3","8","1") = "9"
    & skf18("7","10","4","5","3","9","1") = "9"
    & skf18("7","10","4","5","3","10","1") = "9"
    & skf18("7","10","4","5","4","1","1") = "9"
    & skf18("7","10","4","5","4","2","1") = "9"
    & skf18("7","10","4","5","4","3","1") = "9"
    & skf18("7","10","4","5","4","4","1") = "9"
    & skf18("7","10","4","5","4","5","1") = "9"
    & skf18("7","10","4","5","4","6","1") = "9"
    & skf18("7","10","4","5","4","7","1") = "9"
    & skf18("7","10","4","5","4","8","1") = "9"
    & skf18("7","10","4","5","4","9","1") = "9"
    & skf18("7","10","4","5","4","10","1") = "9"
    & skf18("7","10","4","5","5","1","1") = "9"
    & skf18("7","10","4","5","5","2","1") = "9"
    & skf18("7","10","4","5","5","3","1") = "9"
    & skf18("7","10","4","5","5","4","1") = "9"
    & skf18("7","10","4","5","5","5","1") = "9"
    & skf18("7","10","4","5","5","6","1") = "9"
    & skf18("7","10","4","5","5","7","1") = "9"
    & skf18("7","10","4","5","5","8","1") = "9"
    & skf18("7","10","4","5","5","9","1") = "9"
    & skf18("7","10","4","5","5","10","1") = "9"
    & skf18("7","10","4","5","6","1","1") = "9"
    & skf18("7","10","4","5","6","2","1") = "9"
    & skf18("7","10","4","5","6","3","1") = "9"
    & skf18("7","10","4","5","6","4","1") = "9"
    & skf18("7","10","4","5","6","5","1") = "9"
    & skf18("7","10","4","5","6","6","1") = "9"
    & skf18("7","10","4","5","6","7","1") = "9"
    & skf18("7","10","4","5","6","8","1") = "9"
    & skf18("7","10","4","5","6","9","1") = "9"
    & skf18("7","10","4","5","6","10","1") = "9"
    & skf18("7","10","4","5","7","1","1") = "9"
    & skf18("7","10","4","5","7","2","1") = "9"
    & skf18("7","10","4","5","7","3","1") = "9"
    & skf18("7","10","4","5","7","4","1") = "9"
    & skf18("7","10","4","5","7","5","1") = "9"
    & skf18("7","10","4","5","7","6","1") = "9"
    & skf18("7","10","4","5","7","7","1") = "9"
    & skf18("7","10","4","5","7","8","1") = "9"
    & skf18("7","10","4","5","7","9","1") = "9"
    & skf18("7","10","4","5","7","10","1") = "9"
    & skf18("7","10","4","5","8","1","1") = "9"
    & skf18("7","10","4","5","8","2","1") = "9"
    & skf18("7","10","4","5","8","3","1") = "9"
    & skf18("7","10","4","5","8","4","1") = "9"
    & skf18("7","10","4","5","8","5","1") = "9"
    & skf18("7","10","4","5","8","6","1") = "9"
    & skf18("7","10","4","5","8","7","1") = "9"
    & skf18("7","10","4","5","8","8","1") = "9"
    & skf18("7","10","4","5","8","9","1") = "9"
    & skf18("7","10","4","5","8","10","1") = "9"
    & skf18("7","10","4","5","9","1","1") = "9"
    & skf18("7","10","4","5","9","2","1") = "9"
    & skf18("7","10","4","5","9","3","1") = "9"
    & skf18("7","10","4","5","9","4","1") = "9"
    & skf18("7","10","4","5","9","5","1") = "9"
    & skf18("7","10","4","5","9","6","1") = "9"
    & skf18("7","10","4","5","9","7","1") = "9"
    & skf18("7","10","4","5","9","8","1") = "9"
    & skf18("7","10","4","5","9","9","1") = "9"
    & skf18("7","10","4","5","9","10","1") = "9"
    & skf18("7","10","4","5","10","1","1") = "9"
    & skf18("7","10","4","5","10","2","1") = "9"
    & skf18("7","10","4","5","10","3","1") = "9"
    & skf18("7","10","4","5","10","4","1") = "9"
    & skf18("7","10","4","5","10","5","1") = "9"
    & skf18("7","10","4","5","10","6","1") = "9"
    & skf18("7","10","4","5","10","7","1") = "9"
    & skf18("7","10","4","5","10","8","1") = "9"
    & skf18("7","10","4","5","10","9","1") = "9"
    & skf18("7","10","4","5","10","10","1") = "9"
    & skf18("7","10","4","6","1","1","1") = "9"
    & skf18("7","10","4","6","1","2","1") = "9"
    & skf18("7","10","4","6","1","3","1") = "9"
    & skf18("7","10","4","6","1","4","1") = "9"
    & skf18("7","10","4","6","1","5","1") = "9"
    & skf18("7","10","4","6","1","6","1") = "9"
    & skf18("7","10","4","6","1","7","1") = "9"
    & skf18("7","10","4","6","1","8","1") = "9"
    & skf18("7","10","4","6","1","9","1") = "9"
    & skf18("7","10","4","6","1","10","1") = "9"
    & skf18("7","10","4","6","2","1","1") = "9"
    & skf18("7","10","4","6","2","2","1") = "9"
    & skf18("7","10","4","6","2","3","1") = "9"
    & skf18("7","10","4","6","2","4","1") = "9"
    & skf18("7","10","4","6","2","5","1") = "9"
    & skf18("7","10","4","6","2","6","1") = "9"
    & skf18("7","10","4","6","2","7","1") = "9"
    & skf18("7","10","4","6","2","8","1") = "9"
    & skf18("7","10","4","6","2","9","1") = "9"
    & skf18("7","10","4","6","2","10","1") = "9"
    & skf18("7","10","4","6","3","1","1") = "9"
    & skf18("7","10","4","6","3","2","1") = "9"
    & skf18("7","10","4","6","3","3","1") = "9"
    & skf18("7","10","4","6","3","4","1") = "9"
    & skf18("7","10","4","6","3","5","1") = "9"
    & skf18("7","10","4","6","3","6","1") = "9"
    & skf18("7","10","4","6","3","7","1") = "9"
    & skf18("7","10","4","6","3","8","1") = "9"
    & skf18("7","10","4","6","3","9","1") = "9"
    & skf18("7","10","4","6","3","10","1") = "9"
    & skf18("7","10","4","6","4","1","1") = "9"
    & skf18("7","10","4","6","4","2","1") = "9"
    & skf18("7","10","4","6","4","3","1") = "9"
    & skf18("7","10","4","6","4","4","1") = "9"
    & skf18("7","10","4","6","4","5","1") = "9"
    & skf18("7","10","4","6","4","6","1") = "9"
    & skf18("7","10","4","6","4","7","1") = "9"
    & skf18("7","10","4","6","4","8","1") = "9"
    & skf18("7","10","4","6","4","9","1") = "9"
    & skf18("7","10","4","6","4","10","1") = "9"
    & skf18("7","10","4","6","5","1","1") = "9"
    & skf18("7","10","4","6","5","2","1") = "9"
    & skf18("7","10","4","6","5","3","1") = "9"
    & skf18("7","10","4","6","5","4","1") = "9"
    & skf18("7","10","4","6","5","5","1") = "9"
    & skf18("7","10","4","6","5","6","1") = "9"
    & skf18("7","10","4","6","5","7","1") = "9"
    & skf18("7","10","4","6","5","8","1") = "9"
    & skf18("7","10","4","6","5","9","1") = "9"
    & skf18("7","10","4","6","5","10","1") = "9"
    & skf18("7","10","4","6","6","1","1") = "9"
    & skf18("7","10","4","6","6","2","1") = "9"
    & skf18("7","10","4","6","6","3","1") = "9"
    & skf18("7","10","4","6","6","4","1") = "9"
    & skf18("7","10","4","6","6","5","1") = "9"
    & skf18("7","10","4","6","6","6","1") = "9"
    & skf18("7","10","4","6","6","7","1") = "9"
    & skf18("7","10","4","6","6","8","1") = "9"
    & skf18("7","10","4","6","6","9","1") = "9"
    & skf18("7","10","4","6","6","10","1") = "9"
    & skf18("7","10","4","6","7","1","1") = "9"
    & skf18("7","10","4","6","7","2","1") = "9"
    & skf18("7","10","4","6","7","3","1") = "9"
    & skf18("7","10","4","6","7","4","1") = "9"
    & skf18("7","10","4","6","7","5","1") = "9"
    & skf18("7","10","4","6","7","6","1") = "9"
    & skf18("7","10","4","6","7","7","1") = "9"
    & skf18("7","10","4","6","7","8","1") = "9"
    & skf18("7","10","4","6","7","9","1") = "9"
    & skf18("7","10","4","6","7","10","1") = "9"
    & skf18("7","10","4","6","8","1","1") = "9"
    & skf18("7","10","4","6","8","2","1") = "9"
    & skf18("7","10","4","6","8","3","1") = "9"
    & skf18("7","10","4","6","8","4","1") = "9"
    & skf18("7","10","4","6","8","5","1") = "9"
    & skf18("7","10","4","6","8","6","1") = "9"
    & skf18("7","10","4","6","8","7","1") = "9"
    & skf18("7","10","4","6","8","8","1") = "9"
    & skf18("7","10","4","6","8","9","1") = "9"
    & skf18("7","10","4","6","8","10","1") = "9"
    & skf18("7","10","4","6","9","1","1") = "9"
    & skf18("7","10","4","6","9","2","1") = "9"
    & skf18("7","10","4","6","9","3","1") = "9"
    & skf18("7","10","4","6","9","4","1") = "9"
    & skf18("7","10","4","6","9","5","1") = "9"
    & skf18("7","10","4","6","9","6","1") = "9"
    & skf18("7","10","4","6","9","7","1") = "9"
    & skf18("7","10","4","6","9","8","1") = "9"
    & skf18("7","10","4","6","9","9","1") = "9"
    & skf18("7","10","4","6","9","10","1") = "9"
    & skf18("7","10","4","6","10","1","1") = "9"
    & skf18("7","10","4","6","10","2","1") = "9"
    & skf18("7","10","4","6","10","3","1") = "9"
    & skf18("7","10","4","6","10","4","1") = "9"
    & skf18("7","10","4","6","10","5","1") = "9"
    & skf18("7","10","4","6","10","6","1") = "9"
    & skf18("7","10","4","6","10","7","1") = "9"
    & skf18("7","10","4","6","10","8","1") = "9"
    & skf18("7","10","4","6","10","9","1") = "9"
    & skf18("7","10","4","6","10","10","1") = "9"
    & skf18("7","10","4","7","1","1","1") = "9"
    & skf18("7","10","4","7","1","2","1") = "9"
    & skf18("7","10","4","7","1","3","1") = "9"
    & skf18("7","10","4","7","1","4","1") = "9"
    & skf18("7","10","4","7","1","5","1") = "9"
    & skf18("7","10","4","7","1","6","1") = "9"
    & skf18("7","10","4","7","1","7","1") = "9"
    & skf18("7","10","4","7","1","8","1") = "9"
    & skf18("7","10","4","7","1","9","1") = "9"
    & skf18("7","10","4","7","1","10","1") = "9"
    & skf18("7","10","4","7","2","1","1") = "9"
    & skf18("7","10","4","7","2","2","1") = "9"
    & skf18("7","10","4","7","2","3","1") = "9"
    & skf18("7","10","4","7","2","4","1") = "9"
    & skf18("7","10","4","7","2","5","1") = "9"
    & skf18("7","10","4","7","2","6","1") = "9"
    & skf18("7","10","4","7","2","7","1") = "9"
    & skf18("7","10","4","7","2","8","1") = "9"
    & skf18("7","10","4","7","2","9","1") = "9"
    & skf18("7","10","4","7","2","10","1") = "9"
    & skf18("7","10","4","7","3","1","1") = "9"
    & skf18("7","10","4","7","3","2","1") = "9"
    & skf18("7","10","4","7","3","3","1") = "9"
    & skf18("7","10","4","7","3","4","1") = "9"
    & skf18("7","10","4","7","3","5","1") = "9"
    & skf18("7","10","4","7","3","6","1") = "9"
    & skf18("7","10","4","7","3","7","1") = "9"
    & skf18("7","10","4","7","3","8","1") = "9"
    & skf18("7","10","4","7","3","9","1") = "9"
    & skf18("7","10","4","7","3","10","1") = "9"
    & skf18("7","10","4","7","4","1","1") = "9"
    & skf18("7","10","4","7","4","2","1") = "9"
    & skf18("7","10","4","7","4","3","1") = "9"
    & skf18("7","10","4","7","4","4","1") = "9"
    & skf18("7","10","4","7","4","5","1") = "9"
    & skf18("7","10","4","7","4","6","1") = "9"
    & skf18("7","10","4","7","4","7","1") = "9"
    & skf18("7","10","4","7","4","8","1") = "9"
    & skf18("7","10","4","7","4","9","1") = "9"
    & skf18("7","10","4","7","4","10","1") = "9"
    & skf18("7","10","4","7","5","1","1") = "9"
    & skf18("7","10","4","7","5","2","1") = "9"
    & skf18("7","10","4","7","5","3","1") = "9"
    & skf18("7","10","4","7","5","4","1") = "9"
    & skf18("7","10","4","7","5","5","1") = "9"
    & skf18("7","10","4","7","5","6","1") = "9"
    & skf18("7","10","4","7","5","7","1") = "9"
    & skf18("7","10","4","7","5","8","1") = "9"
    & skf18("7","10","4","7","5","9","1") = "9"
    & skf18("7","10","4","7","5","10","1") = "9"
    & skf18("7","10","4","7","6","1","1") = "9"
    & skf18("7","10","4","7","6","2","1") = "9"
    & skf18("7","10","4","7","6","3","1") = "9"
    & skf18("7","10","4","7","6","4","1") = "9"
    & skf18("7","10","4","7","6","5","1") = "9"
    & skf18("7","10","4","7","6","6","1") = "9"
    & skf18("7","10","4","7","6","7","1") = "9"
    & skf18("7","10","4","7","6","8","1") = "9"
    & skf18("7","10","4","7","6","9","1") = "9"
    & skf18("7","10","4","7","6","10","1") = "9"
    & skf18("7","10","4","7","7","1","1") = "9"
    & skf18("7","10","4","7","7","2","1") = "9"
    & skf18("7","10","4","7","7","3","1") = "9"
    & skf18("7","10","4","7","7","4","1") = "9"
    & skf18("7","10","4","7","7","5","1") = "9"
    & skf18("7","10","4","7","7","6","1") = "9"
    & skf18("7","10","4","7","7","7","1") = "9"
    & skf18("7","10","4","7","7","8","1") = "9"
    & skf18("7","10","4","7","7","9","1") = "9"
    & skf18("7","10","4","7","7","10","1") = "9"
    & skf18("7","10","4","7","8","1","1") = "9"
    & skf18("7","10","4","7","8","2","1") = "9"
    & skf18("7","10","4","7","8","3","1") = "9"
    & skf18("7","10","4","7","8","4","1") = "9"
    & skf18("7","10","4","7","8","5","1") = "9"
    & skf18("7","10","4","7","8","6","1") = "9"
    & skf18("7","10","4","7","8","7","1") = "9"
    & skf18("7","10","4","7","8","8","1") = "9"
    & skf18("7","10","4","7","8","9","1") = "9"
    & skf18("7","10","4","7","8","10","1") = "9"
    & skf18("7","10","4","7","9","1","1") = "9"
    & skf18("7","10","4","7","9","2","1") = "9"
    & skf18("7","10","4","7","9","3","1") = "9"
    & skf18("7","10","4","7","9","4","1") = "9"
    & skf18("7","10","4","7","9","5","1") = "9"
    & skf18("7","10","4","7","9","6","1") = "9"
    & skf18("7","10","4","7","9","7","1") = "9"
    & skf18("7","10","4","7","9","8","1") = "9"
    & skf18("7","10","4","7","9","9","1") = "9"
    & skf18("7","10","4","7","9","10","1") = "9"
    & skf18("7","10","4","7","10","1","1") = "9"
    & skf18("7","10","4","7","10","2","1") = "9"
    & skf18("7","10","4","7","10","3","1") = "9"
    & skf18("7","10","4","7","10","4","1") = "9"
    & skf18("7","10","4","7","10","5","1") = "9"
    & skf18("7","10","4","7","10","6","1") = "9"
    & skf18("7","10","4","7","10","7","1") = "9"
    & skf18("7","10","4","7","10","8","1") = "9"
    & skf18("7","10","4","7","10","9","1") = "9"
    & skf18("7","10","4","7","10","10","1") = "9"
    & skf18("7","10","4","8","1","1","1") = "9"
    & skf18("7","10","4","8","1","2","1") = "9"
    & skf18("7","10","4","8","1","3","1") = "9"
    & skf18("7","10","4","8","1","4","1") = "9"
    & skf18("7","10","4","8","1","5","1") = "9"
    & skf18("7","10","4","8","1","6","1") = "9"
    & skf18("7","10","4","8","1","7","1") = "9"
    & skf18("7","10","4","8","1","8","1") = "9"
    & skf18("7","10","4","8","1","9","1") = "9"
    & skf18("7","10","4","8","1","10","1") = "9"
    & skf18("7","10","4","8","2","1","1") = "9"
    & skf18("7","10","4","8","2","2","1") = "9"
    & skf18("7","10","4","8","2","3","1") = "9"
    & skf18("7","10","4","8","2","4","1") = "9"
    & skf18("7","10","4","8","2","5","1") = "9"
    & skf18("7","10","4","8","2","6","1") = "9"
    & skf18("7","10","4","8","2","7","1") = "9"
    & skf18("7","10","4","8","2","8","1") = "9"
    & skf18("7","10","4","8","2","9","1") = "9"
    & skf18("7","10","4","8","2","10","1") = "9"
    & skf18("7","10","4","8","3","1","1") = "9"
    & skf18("7","10","4","8","3","2","1") = "9"
    & skf18("7","10","4","8","3","3","1") = "9"
    & skf18("7","10","4","8","3","4","1") = "9"
    & skf18("7","10","4","8","3","5","1") = "9"
    & skf18("7","10","4","8","3","6","1") = "9"
    & skf18("7","10","4","8","3","7","1") = "9"
    & skf18("7","10","4","8","3","8","1") = "9"
    & skf18("7","10","4","8","3","9","1") = "9"
    & skf18("7","10","4","8","3","10","1") = "9"
    & skf18("7","10","4","8","4","1","1") = "9"
    & skf18("7","10","4","8","4","2","1") = "9"
    & skf18("7","10","4","8","4","3","1") = "9"
    & skf18("7","10","4","8","4","4","1") = "9"
    & skf18("7","10","4","8","4","5","1") = "9"
    & skf18("7","10","4","8","4","6","1") = "9"
    & skf18("7","10","4","8","4","7","1") = "9"
    & skf18("7","10","4","8","4","8","1") = "9"
    & skf18("7","10","4","8","4","9","1") = "9"
    & skf18("7","10","4","8","4","10","1") = "9"
    & skf18("7","10","4","8","5","1","1") = "9"
    & skf18("7","10","4","8","5","2","1") = "9"
    & skf18("7","10","4","8","5","3","1") = "9"
    & skf18("7","10","4","8","5","4","1") = "9"
    & skf18("7","10","4","8","5","5","1") = "9"
    & skf18("7","10","4","8","5","6","1") = "9"
    & skf18("7","10","4","8","5","7","1") = "9"
    & skf18("7","10","4","8","5","8","1") = "9"
    & skf18("7","10","4","8","5","9","1") = "9"
    & skf18("7","10","4","8","5","10","1") = "9"
    & skf18("7","10","4","8","6","1","1") = "9"
    & skf18("7","10","4","8","6","2","1") = "9"
    & skf18("7","10","4","8","6","3","1") = "9"
    & skf18("7","10","4","8","6","4","1") = "9"
    & skf18("7","10","4","8","6","5","1") = "9"
    & skf18("7","10","4","8","6","6","1") = "9"
    & skf18("7","10","4","8","6","7","1") = "9"
    & skf18("7","10","4","8","6","8","1") = "9"
    & skf18("7","10","4","8","6","9","1") = "9"
    & skf18("7","10","4","8","6","10","1") = "9"
    & skf18("7","10","4","8","7","1","1") = "9"
    & skf18("7","10","4","8","7","2","1") = "9"
    & skf18("7","10","4","8","7","3","1") = "9"
    & skf18("7","10","4","8","7","4","1") = "9"
    & skf18("7","10","4","8","7","5","1") = "9"
    & skf18("7","10","4","8","7","6","1") = "9"
    & skf18("7","10","4","8","7","7","1") = "9"
    & skf18("7","10","4","8","7","8","1") = "9"
    & skf18("7","10","4","8","7","9","1") = "9"
    & skf18("7","10","4","8","7","10","1") = "9"
    & skf18("7","10","4","8","8","1","1") = "9"
    & skf18("7","10","4","8","8","2","1") = "9"
    & skf18("7","10","4","8","8","3","1") = "9"
    & skf18("7","10","4","8","8","4","1") = "9"
    & skf18("7","10","4","8","8","5","1") = "9"
    & skf18("7","10","4","8","8","6","1") = "9"
    & skf18("7","10","4","8","8","7","1") = "9"
    & skf18("7","10","4","8","8","8","1") = "9"
    & skf18("7","10","4","8","8","9","1") = "9"
    & skf18("7","10","4","8","8","10","1") = "9"
    & skf18("7","10","4","8","9","1","1") = "9"
    & skf18("7","10","4","8","9","2","1") = "9"
    & skf18("7","10","4","8","9","3","1") = "9"
    & skf18("7","10","4","8","9","4","1") = "9"
    & skf18("7","10","4","8","9","5","1") = "9"
    & skf18("7","10","4","8","9","6","1") = "9"
    & skf18("7","10","4","8","9","7","1") = "9"
    & skf18("7","10","4","8","9","8","1") = "9"
    & skf18("7","10","4","8","9","9","1") = "9"
    & skf18("7","10","4","8","9","10","1") = "9"
    & skf18("7","10","4","8","10","1","1") = "9"
    & skf18("7","10","4","8","10","2","1") = "9"
    & skf18("7","10","4","8","10","3","1") = "9"
    & skf18("7","10","4","8","10","4","1") = "9"
    & skf18("7","10","4","8","10","5","1") = "9"
    & skf18("7","10","4","8","10","6","1") = "9"
    & skf18("7","10","4","8","10","7","1") = "9"
    & skf18("7","10","4","8","10","8","1") = "9"
    & skf18("7","10","4","8","10","9","1") = "9"
    & skf18("7","10","4","8","10","10","1") = "9"
    & skf18("7","10","4","9","1","1","1") = "9"
    & skf18("7","10","4","9","1","2","1") = "9"
    & skf18("7","10","4","9","1","3","1") = "9"
    & skf18("7","10","4","9","1","4","1") = "9"
    & skf18("7","10","4","9","1","5","1") = "9"
    & skf18("7","10","4","9","1","6","1") = "9"
    & skf18("7","10","4","9","1","7","1") = "9"
    & skf18("7","10","4","9","1","8","1") = "9"
    & skf18("7","10","4","9","1","9","1") = "9"
    & skf18("7","10","4","9","1","10","1") = "9"
    & skf18("7","10","4","9","2","1","1") = "9"
    & skf18("7","10","4","9","2","2","1") = "9"
    & skf18("7","10","4","9","2","3","1") = "9"
    & skf18("7","10","4","9","2","4","1") = "9"
    & skf18("7","10","4","9","2","5","1") = "9"
    & skf18("7","10","4","9","2","6","1") = "9"
    & skf18("7","10","4","9","2","7","1") = "9"
    & skf18("7","10","4","9","2","8","1") = "9"
    & skf18("7","10","4","9","2","9","1") = "9"
    & skf18("7","10","4","9","2","10","1") = "9"
    & skf18("7","10","4","9","3","1","1") = "9"
    & skf18("7","10","4","9","3","2","1") = "9"
    & skf18("7","10","4","9","3","3","1") = "9"
    & skf18("7","10","4","9","3","4","1") = "9"
    & skf18("7","10","4","9","3","5","1") = "9"
    & skf18("7","10","4","9","3","6","1") = "9"
    & skf18("7","10","4","9","3","7","1") = "9"
    & skf18("7","10","4","9","3","8","1") = "9"
    & skf18("7","10","4","9","3","9","1") = "9"
    & skf18("7","10","4","9","3","10","1") = "9"
    & skf18("7","10","4","9","4","1","1") = "9"
    & skf18("7","10","4","9","4","2","1") = "9"
    & skf18("7","10","4","9","4","3","1") = "9"
    & skf18("7","10","4","9","4","4","1") = "9"
    & skf18("7","10","4","9","4","5","1") = "9"
    & skf18("7","10","4","9","4","6","1") = "9"
    & skf18("7","10","4","9","4","7","1") = "9"
    & skf18("7","10","4","9","4","8","1") = "9"
    & skf18("7","10","4","9","4","9","1") = "9"
    & skf18("7","10","4","9","4","10","1") = "9"
    & skf18("7","10","4","9","5","1","1") = "9"
    & skf18("7","10","4","9","5","2","1") = "9"
    & skf18("7","10","4","9","5","3","1") = "9"
    & skf18("7","10","4","9","5","4","1") = "9"
    & skf18("7","10","4","9","5","5","1") = "9"
    & skf18("7","10","4","9","5","6","1") = "9"
    & skf18("7","10","4","9","5","7","1") = "9"
    & skf18("7","10","4","9","5","8","1") = "9"
    & skf18("7","10","4","9","5","9","1") = "9"
    & skf18("7","10","4","9","5","10","1") = "9"
    & skf18("7","10","4","9","6","1","1") = "9"
    & skf18("7","10","4","9","6","2","1") = "9"
    & skf18("7","10","4","9","6","3","1") = "9"
    & skf18("7","10","4","9","6","4","1") = "9"
    & skf18("7","10","4","9","6","5","1") = "9"
    & skf18("7","10","4","9","6","6","1") = "9"
    & skf18("7","10","4","9","6","7","1") = "9"
    & skf18("7","10","4","9","6","8","1") = "9"
    & skf18("7","10","4","9","6","9","1") = "9"
    & skf18("7","10","4","9","6","10","1") = "9"
    & skf18("7","10","4","9","7","1","1") = "9"
    & skf18("7","10","4","9","7","2","1") = "9"
    & skf18("7","10","4","9","7","3","1") = "9"
    & skf18("7","10","4","9","7","4","1") = "9"
    & skf18("7","10","4","9","7","5","1") = "9"
    & skf18("7","10","4","9","7","6","1") = "9"
    & skf18("7","10","4","9","7","7","1") = "9"
    & skf18("7","10","4","9","7","8","1") = "9"
    & skf18("7","10","4","9","7","9","1") = "9"
    & skf18("7","10","4","9","7","10","1") = "9"
    & skf18("7","10","4","9","8","1","1") = "9"
    & skf18("7","10","4","9","8","2","1") = "9"
    & skf18("7","10","4","9","8","3","1") = "9"
    & skf18("7","10","4","9","8","4","1") = "9"
    & skf18("7","10","4","9","8","5","1") = "9"
    & skf18("7","10","4","9","8","6","1") = "9"
    & skf18("7","10","4","9","8","7","1") = "9"
    & skf18("7","10","4","9","8","8","1") = "9"
    & skf18("7","10","4","9","8","9","1") = "9"
    & skf18("7","10","4","9","8","10","1") = "9"
    & skf18("7","10","4","9","9","1","1") = "9"
    & skf18("7","10","4","9","9","2","1") = "9"
    & skf18("7","10","4","9","9","3","1") = "9"
    & skf18("7","10","4","9","9","4","1") = "9"
    & skf18("7","10","4","9","9","5","1") = "9"
    & skf18("7","10","4","9","9","6","1") = "9"
    & skf18("7","10","4","9","9","7","1") = "9"
    & skf18("7","10","4","9","9","8","1") = "9"
    & skf18("7","10","4","9","9","9","1") = "9"
    & skf18("7","10","4","9","9","10","1") = "9"
    & skf18("7","10","4","9","10","1","1") = "9"
    & skf18("7","10","4","9","10","2","1") = "9"
    & skf18("7","10","4","9","10","3","1") = "9"
    & skf18("7","10","4","9","10","4","1") = "9"
    & skf18("7","10","4","9","10","5","1") = "9"
    & skf18("7","10","4","9","10","6","1") = "9"
    & skf18("7","10","4","9","10","7","1") = "9"
    & skf18("7","10","4","9","10","8","1") = "9"
    & skf18("7","10","4","9","10","9","1") = "9"
    & skf18("7","10","4","9","10","10","1") = "9"
    & skf18("7","10","4","10","1","1","1") = "9"
    & skf18("7","10","4","10","1","2","1") = "9"
    & skf18("7","10","4","10","1","3","1") = "9"
    & skf18("7","10","4","10","1","4","1") = "9"
    & skf18("7","10","4","10","1","5","1") = "9"
    & skf18("7","10","4","10","1","6","1") = "9"
    & skf18("7","10","4","10","1","7","1") = "9"
    & skf18("7","10","4","10","1","8","1") = "9"
    & skf18("7","10","4","10","1","9","1") = "9"
    & skf18("7","10","4","10","1","10","1") = "9"
    & skf18("7","10","4","10","2","1","1") = "9"
    & skf18("7","10","4","10","2","2","1") = "9"
    & skf18("7","10","4","10","2","3","1") = "9"
    & skf18("7","10","4","10","2","4","1") = "9"
    & skf18("7","10","4","10","2","5","1") = "9"
    & skf18("7","10","4","10","2","6","1") = "9"
    & skf18("7","10","4","10","2","7","1") = "9"
    & skf18("7","10","4","10","2","8","1") = "9"
    & skf18("7","10","4","10","2","9","1") = "9"
    & skf18("7","10","4","10","2","10","1") = "9"
    & skf18("7","10","4","10","3","1","1") = "9"
    & skf18("7","10","4","10","3","2","1") = "9"
    & skf18("7","10","4","10","3","3","1") = "9"
    & skf18("7","10","4","10","3","4","1") = "9"
    & skf18("7","10","4","10","3","5","1") = "9"
    & skf18("7","10","4","10","3","6","1") = "9"
    & skf18("7","10","4","10","3","7","1") = "9"
    & skf18("7","10","4","10","3","8","1") = "9"
    & skf18("7","10","4","10","3","9","1") = "9"
    & skf18("7","10","4","10","3","10","1") = "9"
    & skf18("7","10","4","10","4","1","1") = "9"
    & skf18("7","10","4","10","4","2","1") = "9"
    & skf18("7","10","4","10","4","3","1") = "9"
    & skf18("7","10","4","10","4","4","1") = "9"
    & skf18("7","10","4","10","4","5","1") = "9"
    & skf18("7","10","4","10","4","6","1") = "9"
    & skf18("7","10","4","10","4","7","1") = "9"
    & skf18("7","10","4","10","4","8","1") = "9"
    & skf18("7","10","4","10","4","9","1") = "9"
    & skf18("7","10","4","10","4","10","1") = "9"
    & skf18("7","10","4","10","5","1","1") = "9"
    & skf18("7","10","4","10","5","2","1") = "9"
    & skf18("7","10","4","10","5","3","1") = "9"
    & skf18("7","10","4","10","5","4","1") = "9"
    & skf18("7","10","4","10","5","5","1") = "9"
    & skf18("7","10","4","10","5","6","1") = "9"
    & skf18("7","10","4","10","5","7","1") = "9"
    & skf18("7","10","4","10","5","8","1") = "9"
    & skf18("7","10","4","10","5","9","1") = "9"
    & skf18("7","10","4","10","5","10","1") = "9"
    & skf18("7","10","4","10","6","1","1") = "9"
    & skf18("7","10","4","10","6","2","1") = "9"
    & skf18("7","10","4","10","6","3","1") = "9"
    & skf18("7","10","4","10","6","4","1") = "9"
    & skf18("7","10","4","10","6","5","1") = "9"
    & skf18("7","10","4","10","6","6","1") = "9"
    & skf18("7","10","4","10","6","7","1") = "9"
    & skf18("7","10","4","10","6","8","1") = "9"
    & skf18("7","10","4","10","6","9","1") = "9"
    & skf18("7","10","4","10","6","10","1") = "9"
    & skf18("7","10","4","10","7","1","1") = "9"
    & skf18("7","10","4","10","7","2","1") = "9"
    & skf18("7","10","4","10","7","3","1") = "9"
    & skf18("7","10","4","10","7","4","1") = "9"
    & skf18("7","10","4","10","7","5","1") = "9"
    & skf18("7","10","4","10","7","6","1") = "9"
    & skf18("7","10","4","10","7","7","1") = "9"
    & skf18("7","10","4","10","7","8","1") = "9"
    & skf18("7","10","4","10","7","9","1") = "9"
    & skf18("7","10","4","10","7","10","1") = "9"
    & skf18("7","10","4","10","8","1","1") = "9"
    & skf18("7","10","4","10","8","2","1") = "9"
    & skf18("7","10","4","10","8","3","1") = "9"
    & skf18("7","10","4","10","8","4","1") = "9"
    & skf18("7","10","4","10","8","5","1") = "9"
    & skf18("7","10","4","10","8","6","1") = "9"
    & skf18("7","10","4","10","8","7","1") = "9"
    & skf18("7","10","4","10","8","8","1") = "9"
    & skf18("7","10","4","10","8","9","1") = "9"
    & skf18("7","10","4","10","8","10","1") = "9"
    & skf18("7","10","4","10","9","1","1") = "9"
    & skf18("7","10","4","10","9","2","1") = "9"
    & skf18("7","10","4","10","9","3","1") = "9"
    & skf18("7","10","4","10","9","4","1") = "9"
    & skf18("7","10","4","10","9","5","1") = "9"
    & skf18("7","10","4","10","9","6","1") = "9"
    & skf18("7","10","4","10","9","7","1") = "9"
    & skf18("7","10","4","10","9","8","1") = "9"
    & skf18("7","10","4","10","9","9","1") = "9"
    & skf18("7","10","4","10","9","10","1") = "9"
    & skf18("7","10","4","10","10","1","1") = "9"
    & skf18("7","10","4","10","10","2","1") = "9"
    & skf18("7","10","4","10","10","3","1") = "9"
    & skf18("7","10","4","10","10","4","1") = "9"
    & skf18("7","10","4","10","10","5","1") = "9"
    & skf18("7","10","4","10","10","6","1") = "9"
    & skf18("7","10","4","10","10","7","1") = "9"
    & skf18("7","10","4","10","10","8","1") = "9"
    & skf18("7","10","4","10","10","9","1") = "9"
    & skf18("7","10","4","10","10","10","1") = "9"
    & skf18("7","10","5","1","1","1","1") = "9"
    & skf18("7","10","5","1","1","2","1") = "9"
    & skf18("7","10","5","1","1","3","1") = "9"
    & skf18("7","10","5","1","1","4","1") = "9"
    & skf18("7","10","5","1","1","5","1") = "9"
    & skf18("7","10","5","1","1","6","1") = "9"
    & skf18("7","10","5","1","1","7","1") = "9"
    & skf18("7","10","5","1","1","8","1") = "9"
    & skf18("7","10","5","1","1","9","1") = "9"
    & skf18("7","10","5","1","1","10","1") = "9"
    & skf18("7","10","5","1","2","1","1") = "9"
    & skf18("7","10","5","1","2","2","1") = "9"
    & skf18("7","10","5","1","2","3","1") = "9"
    & skf18("7","10","5","1","2","4","1") = "9"
    & skf18("7","10","5","1","2","5","1") = "9"
    & skf18("7","10","5","1","2","6","1") = "9"
    & skf18("7","10","5","1","2","7","1") = "9"
    & skf18("7","10","5","1","2","8","1") = "9"
    & skf18("7","10","5","1","2","9","1") = "9"
    & skf18("7","10","5","1","2","10","1") = "9"
    & skf18("7","10","5","1","3","1","1") = "9"
    & skf18("7","10","5","1","3","2","1") = "9"
    & skf18("7","10","5","1","3","3","1") = "9"
    & skf18("7","10","5","1","3","4","1") = "9"
    & skf18("7","10","5","1","3","5","1") = "9"
    & skf18("7","10","5","1","3","6","1") = "9"
    & skf18("7","10","5","1","3","7","1") = "9"
    & skf18("7","10","5","1","3","8","1") = "9"
    & skf18("7","10","5","1","3","9","1") = "9"
    & skf18("7","10","5","1","3","10","1") = "9"
    & skf18("7","10","5","1","4","1","1") = "9"
    & skf18("7","10","5","1","4","2","1") = "9"
    & skf18("7","10","5","1","4","3","1") = "9"
    & skf18("7","10","5","1","4","4","1") = "9"
    & skf18("7","10","5","1","4","5","1") = "9"
    & skf18("7","10","5","1","4","6","1") = "9"
    & skf18("7","10","5","1","4","7","1") = "9"
    & skf18("7","10","5","1","4","8","1") = "9"
    & skf18("7","10","5","1","4","9","1") = "9"
    & skf18("7","10","5","1","4","10","1") = "9"
    & skf18("7","10","5","1","5","1","1") = "9"
    & skf18("7","10","5","1","5","2","1") = "9"
    & skf18("7","10","5","1","5","3","1") = "9"
    & skf18("7","10","5","1","5","4","1") = "9"
    & skf18("7","10","5","1","5","5","1") = "9"
    & skf18("7","10","5","1","5","6","1") = "9"
    & skf18("7","10","5","1","5","7","1") = "9"
    & skf18("7","10","5","1","5","8","1") = "9"
    & skf18("7","10","5","1","5","9","1") = "9"
    & skf18("7","10","5","1","5","10","1") = "9"
    & skf18("7","10","5","1","6","1","1") = "9"
    & skf18("7","10","5","1","6","2","1") = "9"
    & skf18("7","10","5","1","6","3","1") = "9"
    & skf18("7","10","5","1","6","4","1") = "9"
    & skf18("7","10","5","1","6","5","1") = "9"
    & skf18("7","10","5","1","6","6","1") = "9"
    & skf18("7","10","5","1","6","7","1") = "9"
    & skf18("7","10","5","1","6","8","1") = "9"
    & skf18("7","10","5","1","6","9","1") = "9"
    & skf18("7","10","5","1","6","10","1") = "9"
    & skf18("7","10","5","1","7","1","1") = "9"
    & skf18("7","10","5","1","7","2","1") = "9"
    & skf18("7","10","5","1","7","3","1") = "9"
    & skf18("7","10","5","1","7","4","1") = "9"
    & skf18("7","10","5","1","7","5","1") = "9"
    & skf18("7","10","5","1","7","6","1") = "9"
    & skf18("7","10","5","1","7","7","1") = "9"
    & skf18("7","10","5","1","7","8","1") = "9"
    & skf18("7","10","5","1","7","9","1") = "9"
    & skf18("7","10","5","1","7","10","1") = "9"
    & skf18("7","10","5","1","8","1","1") = "9"
    & skf18("7","10","5","1","8","2","1") = "9"
    & skf18("7","10","5","1","8","3","1") = "9"
    & skf18("7","10","5","1","8","4","1") = "9"
    & skf18("7","10","5","1","8","5","1") = "9"
    & skf18("7","10","5","1","8","6","1") = "9"
    & skf18("7","10","5","1","8","7","1") = "9"
    & skf18("7","10","5","1","8","8","1") = "9"
    & skf18("7","10","5","1","8","9","1") = "9"
    & skf18("7","10","5","1","8","10","1") = "9"
    & skf18("7","10","5","1","9","1","1") = "9"
    & skf18("7","10","5","1","9","2","1") = "9"
    & skf18("7","10","5","1","9","3","1") = "9"
    & skf18("7","10","5","1","9","4","1") = "9"
    & skf18("7","10","5","1","9","5","1") = "9"
    & skf18("7","10","5","1","9","6","1") = "9"
    & skf18("7","10","5","1","9","7","1") = "9"
    & skf18("7","10","5","1","9","8","1") = "9"
    & skf18("7","10","5","1","9","9","1") = "9"
    & skf18("7","10","5","1","9","10","1") = "9"
    & skf18("7","10","5","1","10","1","1") = "9"
    & skf18("7","10","5","1","10","2","1") = "9"
    & skf18("7","10","5","1","10","3","1") = "9"
    & skf18("7","10","5","1","10","4","1") = "9"
    & skf18("7","10","5","1","10","5","1") = "9"
    & skf18("7","10","5","1","10","6","1") = "9"
    & skf18("7","10","5","1","10","7","1") = "9"
    & skf18("7","10","5","1","10","8","1") = "9"
    & skf18("7","10","5","1","10","9","1") = "9"
    & skf18("7","10","5","1","10","10","1") = "9"
    & skf18("7","10","5","2","1","1","1") = "9"
    & skf18("7","10","5","2","1","2","1") = "9"
    & skf18("7","10","5","2","1","3","1") = "9"
    & skf18("7","10","5","2","1","4","1") = "9"
    & skf18("7","10","5","2","1","5","1") = "9"
    & skf18("7","10","5","2","1","6","1") = "9"
    & skf18("7","10","5","2","1","7","1") = "9"
    & skf18("7","10","5","2","1","8","1") = "9"
    & skf18("7","10","5","2","1","9","1") = "9"
    & skf18("7","10","5","2","1","10","1") = "9"
    & skf18("7","10","5","2","2","1","1") = "9"
    & skf18("7","10","5","2","2","2","1") = "9"
    & skf18("7","10","5","2","2","3","1") = "9"
    & skf18("7","10","5","2","2","4","1") = "9"
    & skf18("7","10","5","2","2","5","1") = "9"
    & skf18("7","10","5","2","2","6","1") = "9"
    & skf18("7","10","5","2","2","7","1") = "9"
    & skf18("7","10","5","2","2","8","1") = "9"
    & skf18("7","10","5","2","2","9","1") = "9"
    & skf18("7","10","5","2","2","10","1") = "9"
    & skf18("7","10","5","2","3","1","1") = "9"
    & skf18("7","10","5","2","3","2","1") = "9"
    & skf18("7","10","5","2","3","3","1") = "9"
    & skf18("7","10","5","2","3","4","1") = "9"
    & skf18("7","10","5","2","3","5","1") = "9"
    & skf18("7","10","5","2","3","6","1") = "9"
    & skf18("7","10","5","2","3","7","1") = "9"
    & skf18("7","10","5","2","3","8","1") = "9"
    & skf18("7","10","5","2","3","9","1") = "9"
    & skf18("7","10","5","2","3","10","1") = "9"
    & skf18("7","10","5","2","4","1","1") = "9"
    & skf18("7","10","5","2","4","2","1") = "9"
    & skf18("7","10","5","2","4","3","1") = "9"
    & skf18("7","10","5","2","4","4","1") = "9"
    & skf18("7","10","5","2","4","5","1") = "9"
    & skf18("7","10","5","2","4","6","1") = "9"
    & skf18("7","10","5","2","4","7","1") = "9"
    & skf18("7","10","5","2","4","8","1") = "9"
    & skf18("7","10","5","2","4","9","1") = "9"
    & skf18("7","10","5","2","4","10","1") = "9"
    & skf18("7","10","5","2","5","1","1") = "9"
    & skf18("7","10","5","2","5","2","1") = "9"
    & skf18("7","10","5","2","5","3","1") = "9"
    & skf18("7","10","5","2","5","4","1") = "9"
    & skf18("7","10","5","2","5","5","1") = "9"
    & skf18("7","10","5","2","5","6","1") = "9"
    & skf18("7","10","5","2","5","7","1") = "9"
    & skf18("7","10","5","2","5","8","1") = "9"
    & skf18("7","10","5","2","5","9","1") = "9"
    & skf18("7","10","5","2","5","10","1") = "9"
    & skf18("7","10","5","2","6","1","1") = "9"
    & skf18("7","10","5","2","6","2","1") = "9"
    & skf18("7","10","5","2","6","3","1") = "9"
    & skf18("7","10","5","2","6","4","1") = "9"
    & skf18("7","10","5","2","6","5","1") = "9"
    & skf18("7","10","5","2","6","6","1") = "9"
    & skf18("7","10","5","2","6","7","1") = "9"
    & skf18("7","10","5","2","6","8","1") = "9"
    & skf18("7","10","5","2","6","9","1") = "9"
    & skf18("7","10","5","2","6","10","1") = "9"
    & skf18("7","10","5","2","7","1","1") = "9"
    & skf18("7","10","5","2","7","2","1") = "9"
    & skf18("7","10","5","2","7","3","1") = "9"
    & skf18("7","10","5","2","7","4","1") = "9"
    & skf18("7","10","5","2","7","5","1") = "9"
    & skf18("7","10","5","2","7","6","1") = "9"
    & skf18("7","10","5","2","7","7","1") = "9"
    & skf18("7","10","5","2","7","8","1") = "9"
    & skf18("7","10","5","2","7","9","1") = "9"
    & skf18("7","10","5","2","7","10","1") = "9"
    & skf18("7","10","5","2","8","1","1") = "9"
    & skf18("7","10","5","2","8","2","1") = "9"
    & skf18("7","10","5","2","8","3","1") = "9"
    & skf18("7","10","5","2","8","4","1") = "9"
    & skf18("7","10","5","2","8","5","1") = "9"
    & skf18("7","10","5","2","8","6","1") = "9"
    & skf18("7","10","5","2","8","7","1") = "9"
    & skf18("7","10","5","2","8","8","1") = "9"
    & skf18("7","10","5","2","8","9","1") = "9"
    & skf18("7","10","5","2","8","10","1") = "9"
    & skf18("7","10","5","2","9","1","1") = "9"
    & skf18("7","10","5","2","9","2","1") = "9"
    & skf18("7","10","5","2","9","3","1") = "9"
    & skf18("7","10","5","2","9","4","1") = "9"
    & skf18("7","10","5","2","9","5","1") = "9"
    & skf18("7","10","5","2","9","6","1") = "9"
    & skf18("7","10","5","2","9","7","1") = "9"
    & skf18("7","10","5","2","9","8","1") = "9"
    & skf18("7","10","5","2","9","9","1") = "9"
    & skf18("7","10","5","2","9","10","1") = "9"
    & skf18("7","10","5","2","10","1","1") = "9"
    & skf18("7","10","5","2","10","2","1") = "9"
    & skf18("7","10","5","2","10","3","1") = "9"
    & skf18("7","10","5","2","10","4","1") = "9"
    & skf18("7","10","5","2","10","5","1") = "9"
    & skf18("7","10","5","2","10","6","1") = "9"
    & skf18("7","10","5","2","10","7","1") = "9"
    & skf18("7","10","5","2","10","8","1") = "9"
    & skf18("7","10","5","2","10","9","1") = "9"
    & skf18("7","10","5","2","10","10","1") = "9"
    & skf18("7","10","5","3","1","1","1") = "9"
    & skf18("7","10","5","3","1","2","1") = "9"
    & skf18("7","10","5","3","1","3","1") = "9"
    & skf18("7","10","5","3","1","4","1") = "9"
    & skf18("7","10","5","3","1","5","1") = "9"
    & skf18("7","10","5","3","1","6","1") = "9"
    & skf18("7","10","5","3","1","7","1") = "9"
    & skf18("7","10","5","3","1","8","1") = "9"
    & skf18("7","10","5","3","1","9","1") = "9"
    & skf18("7","10","5","3","1","10","1") = "9"
    & skf18("7","10","5","3","2","1","1") = "9"
    & skf18("7","10","5","3","2","2","1") = "9"
    & skf18("7","10","5","3","2","3","1") = "9"
    & skf18("7","10","5","3","2","4","1") = "9"
    & skf18("7","10","5","3","2","5","1") = "9"
    & skf18("7","10","5","3","2","6","1") = "9"
    & skf18("7","10","5","3","2","7","1") = "9"
    & skf18("7","10","5","3","2","8","1") = "9"
    & skf18("7","10","5","3","2","9","1") = "9"
    & skf18("7","10","5","3","2","10","1") = "9"
    & skf18("7","10","5","3","3","1","1") = "9"
    & skf18("7","10","5","3","3","2","1") = "9"
    & skf18("7","10","5","3","3","3","1") = "9"
    & skf18("7","10","5","3","3","4","1") = "9"
    & skf18("7","10","5","3","3","5","1") = "9"
    & skf18("7","10","5","3","3","6","1") = "9"
    & skf18("7","10","5","3","3","7","1") = "9"
    & skf18("7","10","5","3","3","8","1") = "9"
    & skf18("7","10","5","3","3","9","1") = "9"
    & skf18("7","10","5","3","3","10","1") = "9"
    & skf18("7","10","5","3","4","1","1") = "9"
    & skf18("7","10","5","3","4","2","1") = "9"
    & skf18("7","10","5","3","4","3","1") = "9"
    & skf18("7","10","5","3","4","4","1") = "9"
    & skf18("7","10","5","3","4","5","1") = "9"
    & skf18("7","10","5","3","4","6","1") = "9"
    & skf18("7","10","5","3","4","7","1") = "9"
    & skf18("7","10","5","3","4","8","1") = "9"
    & skf18("7","10","5","3","4","9","1") = "9"
    & skf18("7","10","5","3","4","10","1") = "9"
    & skf18("7","10","5","3","5","1","1") = "9"
    & skf18("7","10","5","3","5","2","1") = "9"
    & skf18("7","10","5","3","5","3","1") = "9"
    & skf18("7","10","5","3","5","4","1") = "9"
    & skf18("7","10","5","3","5","5","1") = "9"
    & skf18("7","10","5","3","5","6","1") = "9"
    & skf18("7","10","5","3","5","7","1") = "9"
    & skf18("7","10","5","3","5","8","1") = "9"
    & skf18("7","10","5","3","5","9","1") = "9"
    & skf18("7","10","5","3","5","10","1") = "9"
    & skf18("7","10","5","3","6","1","1") = "9"
    & skf18("7","10","5","3","6","2","1") = "9"
    & skf18("7","10","5","3","6","3","1") = "9"
    & skf18("7","10","5","3","6","4","1") = "9"
    & skf18("7","10","5","3","6","5","1") = "9"
    & skf18("7","10","5","3","6","6","1") = "9"
    & skf18("7","10","5","3","6","7","1") = "9"
    & skf18("7","10","5","3","6","8","1") = "9"
    & skf18("7","10","5","3","6","9","1") = "9"
    & skf18("7","10","5","3","6","10","1") = "9"
    & skf18("7","10","5","3","7","1","1") = "9"
    & skf18("7","10","5","3","7","2","1") = "9"
    & skf18("7","10","5","3","7","3","1") = "9"
    & skf18("7","10","5","3","7","4","1") = "9"
    & skf18("7","10","5","3","7","5","1") = "9"
    & skf18("7","10","5","3","7","6","1") = "9"
    & skf18("7","10","5","3","7","7","1") = "9"
    & skf18("7","10","5","3","7","8","1") = "9"
    & skf18("7","10","5","3","7","9","1") = "9"
    & skf18("7","10","5","3","7","10","1") = "9"
    & skf18("7","10","5","3","8","1","1") = "9"
    & skf18("7","10","5","3","8","2","1") = "9"
    & skf18("7","10","5","3","8","3","1") = "9"
    & skf18("7","10","5","3","8","4","1") = "9"
    & skf18("7","10","5","3","8","5","1") = "9"
    & skf18("7","10","5","3","8","6","1") = "9"
    & skf18("7","10","5","3","8","7","1") = "9"
    & skf18("7","10","5","3","8","8","1") = "9"
    & skf18("7","10","5","3","8","9","1") = "9"
    & skf18("7","10","5","3","8","10","1") = "9"
    & skf18("7","10","5","3","9","1","1") = "9"
    & skf18("7","10","5","3","9","2","1") = "9"
    & skf18("7","10","5","3","9","3","1") = "9"
    & skf18("7","10","5","3","9","4","1") = "9"
    & skf18("7","10","5","3","9","5","1") = "9"
    & skf18("7","10","5","3","9","6","1") = "9"
    & skf18("7","10","5","3","9","7","1") = "9"
    & skf18("7","10","5","3","9","8","1") = "9"
    & skf18("7","10","5","3","9","9","1") = "9"
    & skf18("7","10","5","3","9","10","1") = "9"
    & skf18("7","10","5","3","10","1","1") = "9"
    & skf18("7","10","5","3","10","2","1") = "9"
    & skf18("7","10","5","3","10","3","1") = "9"
    & skf18("7","10","5","3","10","4","1") = "9"
    & skf18("7","10","5","3","10","5","1") = "9"
    & skf18("7","10","5","3","10","6","1") = "9"
    & skf18("7","10","5","3","10","7","1") = "9"
    & skf18("7","10","5","3","10","8","1") = "9"
    & skf18("7","10","5","3","10","9","1") = "9"
    & skf18("7","10","5","3","10","10","1") = "9"
    & skf18("7","10","5","4","1","1","1") = "9"
    & skf18("7","10","5","4","1","2","1") = "9"
    & skf18("7","10","5","4","1","3","1") = "9"
    & skf18("7","10","5","4","1","4","1") = "9"
    & skf18("7","10","5","4","1","5","1") = "9"
    & skf18("7","10","5","4","1","6","1") = "9"
    & skf18("7","10","5","4","1","7","1") = "9"
    & skf18("7","10","5","4","1","8","1") = "9"
    & skf18("7","10","5","4","1","9","1") = "9"
    & skf18("7","10","5","4","1","10","1") = "9"
    & skf18("7","10","5","4","2","1","1") = "9"
    & skf18("7","10","5","4","2","2","1") = "9"
    & skf18("7","10","5","4","2","3","1") = "9"
    & skf18("7","10","5","4","2","4","1") = "9"
    & skf18("7","10","5","4","2","5","1") = "9"
    & skf18("7","10","5","4","2","6","1") = "9"
    & skf18("7","10","5","4","2","7","1") = "9"
    & skf18("7","10","5","4","2","8","1") = "9"
    & skf18("7","10","5","4","2","9","1") = "9"
    & skf18("7","10","5","4","2","10","1") = "9"
    & skf18("7","10","5","4","3","1","1") = "9"
    & skf18("7","10","5","4","3","2","1") = "9"
    & skf18("7","10","5","4","3","3","1") = "9"
    & skf18("7","10","5","4","3","4","1") = "9"
    & skf18("7","10","5","4","3","5","1") = "9"
    & skf18("7","10","5","4","3","6","1") = "9"
    & skf18("7","10","5","4","3","7","1") = "9"
    & skf18("7","10","5","4","3","8","1") = "9"
    & skf18("7","10","5","4","3","9","1") = "9"
    & skf18("7","10","5","4","3","10","1") = "9"
    & skf18("7","10","5","4","4","1","1") = "9"
    & skf18("7","10","5","4","4","2","1") = "9"
    & skf18("7","10","5","4","4","3","1") = "9"
    & skf18("7","10","5","4","4","4","1") = "9"
    & skf18("7","10","5","4","4","5","1") = "9"
    & skf18("7","10","5","4","4","6","1") = "9"
    & skf18("7","10","5","4","4","7","1") = "9"
    & skf18("7","10","5","4","4","8","1") = "9"
    & skf18("7","10","5","4","4","9","1") = "9"
    & skf18("7","10","5","4","4","10","1") = "9"
    & skf18("7","10","5","4","5","1","1") = "9"
    & skf18("7","10","5","4","5","2","1") = "9"
    & skf18("7","10","5","4","5","3","1") = "9"
    & skf18("7","10","5","4","5","4","1") = "9"
    & skf18("7","10","5","4","5","5","1") = "9"
    & skf18("7","10","5","4","5","6","1") = "9"
    & skf18("7","10","5","4","5","7","1") = "9"
    & skf18("7","10","5","4","5","8","1") = "9"
    & skf18("7","10","5","4","5","9","1") = "9"
    & skf18("7","10","5","4","5","10","1") = "9"
    & skf18("7","10","5","4","6","1","1") = "9"
    & skf18("7","10","5","4","6","2","1") = "9"
    & skf18("7","10","5","4","6","3","1") = "9"
    & skf18("7","10","5","4","6","4","1") = "9"
    & skf18("7","10","5","4","6","5","1") = "9"
    & skf18("7","10","5","4","6","6","1") = "9"
    & skf18("7","10","5","4","6","7","1") = "9"
    & skf18("7","10","5","4","6","8","1") = "9"
    & skf18("7","10","5","4","6","9","1") = "9"
    & skf18("7","10","5","4","6","10","1") = "9"
    & skf18("7","10","5","4","7","1","1") = "9"
    & skf18("7","10","5","4","7","2","1") = "9"
    & skf18("7","10","5","4","7","3","1") = "9"
    & skf18("7","10","5","4","7","4","1") = "9"
    & skf18("7","10","5","4","7","5","1") = "9"
    & skf18("7","10","5","4","7","6","1") = "9"
    & skf18("7","10","5","4","7","7","1") = "9"
    & skf18("7","10","5","4","7","8","1") = "9"
    & skf18("7","10","5","4","7","9","1") = "9"
    & skf18("7","10","5","4","7","10","1") = "9"
    & skf18("7","10","5","4","8","1","1") = "9"
    & skf18("7","10","5","4","8","2","1") = "9"
    & skf18("7","10","5","4","8","3","1") = "9"
    & skf18("7","10","5","4","8","4","1") = "9"
    & skf18("7","10","5","4","8","5","1") = "9"
    & skf18("7","10","5","4","8","6","1") = "9"
    & skf18("7","10","5","4","8","7","1") = "9"
    & skf18("7","10","5","4","8","8","1") = "9"
    & skf18("7","10","5","4","8","9","1") = "9"
    & skf18("7","10","5","4","8","10","1") = "9"
    & skf18("7","10","5","4","9","1","1") = "9"
    & skf18("7","10","5","4","9","2","1") = "9"
    & skf18("7","10","5","4","9","3","1") = "9"
    & skf18("7","10","5","4","9","4","1") = "9"
    & skf18("7","10","5","4","9","5","1") = "9"
    & skf18("7","10","5","4","9","6","1") = "9"
    & skf18("7","10","5","4","9","7","1") = "9"
    & skf18("7","10","5","4","9","8","1") = "9"
    & skf18("7","10","5","4","9","9","1") = "9"
    & skf18("7","10","5","4","9","10","1") = "9"
    & skf18("7","10","5","4","10","1","1") = "9"
    & skf18("7","10","5","4","10","2","1") = "9"
    & skf18("7","10","5","4","10","3","1") = "9"
    & skf18("7","10","5","4","10","4","1") = "9"
    & skf18("7","10","5","4","10","5","1") = "9"
    & skf18("7","10","5","4","10","6","1") = "9"
    & skf18("7","10","5","4","10","7","1") = "9"
    & skf18("7","10","5","4","10","8","1") = "9"
    & skf18("7","10","5","4","10","9","1") = "9"
    & skf18("7","10","5","4","10","10","1") = "9"
    & skf18("7","10","5","5","1","1","1") = "9"
    & skf18("7","10","5","5","1","2","1") = "9"
    & skf18("7","10","5","5","1","3","1") = "9"
    & skf18("7","10","5","5","1","4","1") = "9"
    & skf18("7","10","5","5","1","5","1") = "9"
    & skf18("7","10","5","5","1","6","1") = "9"
    & skf18("7","10","5","5","1","7","1") = "9"
    & skf18("7","10","5","5","1","8","1") = "9"
    & skf18("7","10","5","5","1","9","1") = "9"
    & skf18("7","10","5","5","1","10","1") = "9"
    & skf18("7","10","5","5","2","1","1") = "9"
    & skf18("7","10","5","5","2","2","1") = "9"
    & skf18("7","10","5","5","2","3","1") = "9"
    & skf18("7","10","5","5","2","4","1") = "9"
    & skf18("7","10","5","5","2","5","1") = "9"
    & skf18("7","10","5","5","2","6","1") = "9"
    & skf18("7","10","5","5","2","7","1") = "9"
    & skf18("7","10","5","5","2","8","1") = "9"
    & skf18("7","10","5","5","2","9","1") = "9"
    & skf18("7","10","5","5","2","10","1") = "9"
    & skf18("7","10","5","5","3","1","1") = "9"
    & skf18("7","10","5","5","3","2","1") = "9"
    & skf18("7","10","5","5","3","3","1") = "9"
    & skf18("7","10","5","5","3","4","1") = "9"
    & skf18("7","10","5","5","3","5","1") = "9"
    & skf18("7","10","5","5","3","6","1") = "9"
    & skf18("7","10","5","5","3","7","1") = "9"
    & skf18("7","10","5","5","3","8","1") = "9"
    & skf18("7","10","5","5","3","9","1") = "9"
    & skf18("7","10","5","5","3","10","1") = "9"
    & skf18("7","10","5","5","4","1","1") = "9"
    & skf18("7","10","5","5","4","2","1") = "9"
    & skf18("7","10","5","5","4","3","1") = "9"
    & skf18("7","10","5","5","4","4","1") = "9"
    & skf18("7","10","5","5","4","5","1") = "9"
    & skf18("7","10","5","5","4","6","1") = "9"
    & skf18("7","10","5","5","4","7","1") = "9"
    & skf18("7","10","5","5","4","8","1") = "9"
    & skf18("7","10","5","5","4","9","1") = "9"
    & skf18("7","10","5","5","4","10","1") = "9"
    & skf18("7","10","5","5","5","1","1") = "9"
    & skf18("7","10","5","5","5","2","1") = "9"
    & skf18("7","10","5","5","5","3","1") = "9"
    & skf18("7","10","5","5","5","4","1") = "9"
    & skf18("7","10","5","5","5","5","1") = "9"
    & skf18("7","10","5","5","5","6","1") = "9"
    & skf18("7","10","5","5","5","7","1") = "9"
    & skf18("7","10","5","5","5","8","1") = "9"
    & skf18("7","10","5","5","5","9","1") = "9"
    & skf18("7","10","5","5","5","10","1") = "9"
    & skf18("7","10","5","5","6","1","1") = "9"
    & skf18("7","10","5","5","6","2","1") = "9"
    & skf18("7","10","5","5","6","3","1") = "9"
    & skf18("7","10","5","5","6","4","1") = "9"
    & skf18("7","10","5","5","6","5","1") = "9"
    & skf18("7","10","5","5","6","6","1") = "9"
    & skf18("7","10","5","5","6","7","1") = "9"
    & skf18("7","10","5","5","6","8","1") = "9"
    & skf18("7","10","5","5","6","9","1") = "9"
    & skf18("7","10","5","5","6","10","1") = "9"
    & skf18("7","10","5","5","7","1","1") = "9"
    & skf18("7","10","5","5","7","2","1") = "9"
    & skf18("7","10","5","5","7","3","1") = "9"
    & skf18("7","10","5","5","7","4","1") = "9"
    & skf18("7","10","5","5","7","5","1") = "9"
    & skf18("7","10","5","5","7","6","1") = "9"
    & skf18("7","10","5","5","7","7","1") = "9"
    & skf18("7","10","5","5","7","8","1") = "9"
    & skf18("7","10","5","5","7","9","1") = "9"
    & skf18("7","10","5","5","7","10","1") = "9"
    & skf18("7","10","5","5","8","1","1") = "9"
    & skf18("7","10","5","5","8","2","1") = "9"
    & skf18("7","10","5","5","8","3","1") = "9"
    & skf18("7","10","5","5","8","4","1") = "9"
    & skf18("7","10","5","5","8","5","1") = "9"
    & skf18("7","10","5","5","8","6","1") = "9"
    & skf18("7","10","5","5","8","7","1") = "9"
    & skf18("7","10","5","5","8","8","1") = "9"
    & skf18("7","10","5","5","8","9","1") = "9"
    & skf18("7","10","5","5","8","10","1") = "9"
    & skf18("7","10","5","5","9","1","1") = "9"
    & skf18("7","10","5","5","9","2","1") = "9"
    & skf18("7","10","5","5","9","3","1") = "9"
    & skf18("7","10","5","5","9","4","1") = "9"
    & skf18("7","10","5","5","9","5","1") = "9"
    & skf18("7","10","5","5","9","6","1") = "9"
    & skf18("7","10","5","5","9","7","1") = "9"
    & skf18("7","10","5","5","9","8","1") = "9"
    & skf18("7","10","5","5","9","9","1") = "9"
    & skf18("7","10","5","5","9","10","1") = "9"
    & skf18("7","10","5","5","10","1","1") = "9"
    & skf18("7","10","5","5","10","2","1") = "9"
    & skf18("7","10","5","5","10","3","1") = "9"
    & skf18("7","10","5","5","10","4","1") = "9"
    & skf18("7","10","5","5","10","5","1") = "9"
    & skf18("7","10","5","5","10","6","1") = "9"
    & skf18("7","10","5","5","10","7","1") = "9"
    & skf18("7","10","5","5","10","8","1") = "9"
    & skf18("7","10","5","5","10","9","1") = "9"
    & skf18("7","10","5","5","10","10","1") = "9"
    & skf18("7","10","5","6","1","1","1") = "9"
    & skf18("7","10","5","6","1","2","1") = "9"
    & skf18("7","10","5","6","1","3","1") = "9"
    & skf18("7","10","5","6","1","4","1") = "9"
    & skf18("7","10","5","6","1","5","1") = "9"
    & skf18("7","10","5","6","1","6","1") = "9"
    & skf18("7","10","5","6","1","7","1") = "9"
    & skf18("7","10","5","6","1","8","1") = "9"
    & skf18("7","10","5","6","1","9","1") = "9"
    & skf18("7","10","5","6","1","10","1") = "9"
    & skf18("7","10","5","6","2","1","1") = "9"
    & skf18("7","10","5","6","2","2","1") = "9"
    & skf18("7","10","5","6","2","3","1") = "9"
    & skf18("7","10","5","6","2","4","1") = "9"
    & skf18("7","10","5","6","2","5","1") = "9"
    & skf18("7","10","5","6","2","6","1") = "9"
    & skf18("7","10","5","6","2","7","1") = "9"
    & skf18("7","10","5","6","2","8","1") = "9"
    & skf18("7","10","5","6","2","9","1") = "9"
    & skf18("7","10","5","6","2","10","1") = "9"
    & skf18("7","10","5","6","3","1","1") = "9"
    & skf18("7","10","5","6","3","2","1") = "9"
    & skf18("7","10","5","6","3","3","1") = "9"
    & skf18("7","10","5","6","3","4","1") = "9"
    & skf18("7","10","5","6","3","5","1") = "9"
    & skf18("7","10","5","6","3","6","1") = "9"
    & skf18("7","10","5","6","3","7","1") = "9"
    & skf18("7","10","5","6","3","8","1") = "9"
    & skf18("7","10","5","6","3","9","1") = "9"
    & skf18("7","10","5","6","3","10","1") = "9"
    & skf18("7","10","5","6","4","1","1") = "9"
    & skf18("7","10","5","6","4","2","1") = "9"
    & skf18("7","10","5","6","4","3","1") = "9"
    & skf18("7","10","5","6","4","4","1") = "9"
    & skf18("7","10","5","6","4","5","1") = "9"
    & skf18("7","10","5","6","4","6","1") = "9"
    & skf18("7","10","5","6","4","7","1") = "9"
    & skf18("7","10","5","6","4","8","1") = "9"
    & skf18("7","10","5","6","4","9","1") = "9"
    & skf18("7","10","5","6","4","10","1") = "9"
    & skf18("7","10","5","6","5","1","1") = "9"
    & skf18("7","10","5","6","5","2","1") = "9"
    & skf18("7","10","5","6","5","3","1") = "9"
    & skf18("7","10","5","6","5","4","1") = "9"
    & skf18("7","10","5","6","5","5","1") = "9"
    & skf18("7","10","5","6","5","6","1") = "9"
    & skf18("7","10","5","6","5","7","1") = "9"
    & skf18("7","10","5","6","5","8","1") = "9"
    & skf18("7","10","5","6","5","9","1") = "9"
    & skf18("7","10","5","6","5","10","1") = "9"
    & skf18("7","10","5","6","6","1","1") = "9"
    & skf18("7","10","5","6","6","2","1") = "9"
    & skf18("7","10","5","6","6","3","1") = "9"
    & skf18("7","10","5","6","6","4","1") = "9"
    & skf18("7","10","5","6","6","5","1") = "9"
    & skf18("7","10","5","6","6","6","1") = "9"
    & skf18("7","10","5","6","6","7","1") = "9"
    & skf18("7","10","5","6","6","8","1") = "9"
    & skf18("7","10","5","6","6","9","1") = "9"
    & skf18("7","10","5","6","6","10","1") = "9"
    & skf18("7","10","5","6","7","1","1") = "9"
    & skf18("7","10","5","6","7","2","1") = "9"
    & skf18("7","10","5","6","7","3","1") = "9"
    & skf18("7","10","5","6","7","4","1") = "9"
    & skf18("7","10","5","6","7","5","1") = "9"
    & skf18("7","10","5","6","7","6","1") = "9"
    & skf18("7","10","5","6","7","7","1") = "9"
    & skf18("7","10","5","6","7","8","1") = "9"
    & skf18("7","10","5","6","7","9","1") = "9"
    & skf18("7","10","5","6","7","10","1") = "9"
    & skf18("7","10","5","6","8","1","1") = "9"
    & skf18("7","10","5","6","8","2","1") = "9"
    & skf18("7","10","5","6","8","3","1") = "9"
    & skf18("7","10","5","6","8","4","1") = "9"
    & skf18("7","10","5","6","8","5","1") = "9"
    & skf18("7","10","5","6","8","6","1") = "9"
    & skf18("7","10","5","6","8","7","1") = "9"
    & skf18("7","10","5","6","8","8","1") = "9"
    & skf18("7","10","5","6","8","9","1") = "9"
    & skf18("7","10","5","6","8","10","1") = "9"
    & skf18("7","10","5","6","9","1","1") = "9"
    & skf18("7","10","5","6","9","2","1") = "9"
    & skf18("7","10","5","6","9","3","1") = "9"
    & skf18("7","10","5","6","9","4","1") = "9"
    & skf18("7","10","5","6","9","5","1") = "9"
    & skf18("7","10","5","6","9","6","1") = "9"
    & skf18("7","10","5","6","9","7","1") = "9"
    & skf18("7","10","5","6","9","8","1") = "9"
    & skf18("7","10","5","6","9","9","1") = "9"
    & skf18("7","10","5","6","9","10","1") = "9"
    & skf18("7","10","5","6","10","1","1") = "9"
    & skf18("7","10","5","6","10","2","1") = "9"
    & skf18("7","10","5","6","10","3","1") = "9"
    & skf18("7","10","5","6","10","4","1") = "9"
    & skf18("7","10","5","6","10","5","1") = "9"
    & skf18("7","10","5","6","10","6","1") = "9"
    & skf18("7","10","5","6","10","7","1") = "9"
    & skf18("7","10","5","6","10","8","1") = "9"
    & skf18("7","10","5","6","10","9","1") = "9"
    & skf18("7","10","5","6","10","10","1") = "9"
    & skf18("7","10","5","7","1","1","1") = "9"
    & skf18("7","10","5","7","1","2","1") = "9"
    & skf18("7","10","5","7","1","3","1") = "9"
    & skf18("7","10","5","7","1","4","1") = "9"
    & skf18("7","10","5","7","1","5","1") = "9"
    & skf18("7","10","5","7","1","6","1") = "9"
    & skf18("7","10","5","7","1","7","1") = "9"
    & skf18("7","10","5","7","1","8","1") = "9"
    & skf18("7","10","5","7","1","9","1") = "9"
    & skf18("7","10","5","7","1","10","1") = "9"
    & skf18("7","10","5","7","2","1","1") = "9"
    & skf18("7","10","5","7","2","2","1") = "9"
    & skf18("7","10","5","7","2","3","1") = "9"
    & skf18("7","10","5","7","2","4","1") = "9"
    & skf18("7","10","5","7","2","5","1") = "9"
    & skf18("7","10","5","7","2","6","1") = "9"
    & skf18("7","10","5","7","2","7","1") = "9"
    & skf18("7","10","5","7","2","8","1") = "9"
    & skf18("7","10","5","7","2","9","1") = "9"
    & skf18("7","10","5","7","2","10","1") = "9"
    & skf18("7","10","5","7","3","1","1") = "9"
    & skf18("7","10","5","7","3","2","1") = "9"
    & skf18("7","10","5","7","3","3","1") = "9"
    & skf18("7","10","5","7","3","4","1") = "9"
    & skf18("7","10","5","7","3","5","1") = "9"
    & skf18("7","10","5","7","3","6","1") = "9"
    & skf18("7","10","5","7","3","7","1") = "9"
    & skf18("7","10","5","7","3","8","1") = "9"
    & skf18("7","10","5","7","3","9","1") = "9"
    & skf18("7","10","5","7","3","10","1") = "9"
    & skf18("7","10","5","7","4","1","1") = "9"
    & skf18("7","10","5","7","4","2","1") = "9"
    & skf18("7","10","5","7","4","3","1") = "9"
    & skf18("7","10","5","7","4","4","1") = "9"
    & skf18("7","10","5","7","4","5","1") = "9"
    & skf18("7","10","5","7","4","6","1") = "9"
    & skf18("7","10","5","7","4","7","1") = "9"
    & skf18("7","10","5","7","4","8","1") = "9"
    & skf18("7","10","5","7","4","9","1") = "9"
    & skf18("7","10","5","7","4","10","1") = "9"
    & skf18("7","10","5","7","5","1","1") = "9"
    & skf18("7","10","5","7","5","2","1") = "9"
    & skf18("7","10","5","7","5","3","1") = "9"
    & skf18("7","10","5","7","5","4","1") = "9"
    & skf18("7","10","5","7","5","5","1") = "9"
    & skf18("7","10","5","7","5","6","1") = "9"
    & skf18("7","10","5","7","5","7","1") = "9"
    & skf18("7","10","5","7","5","8","1") = "9"
    & skf18("7","10","5","7","5","9","1") = "9"
    & skf18("7","10","5","7","5","10","1") = "9"
    & skf18("7","10","5","7","6","1","1") = "9"
    & skf18("7","10","5","7","6","2","1") = "9"
    & skf18("7","10","5","7","6","3","1") = "9"
    & skf18("7","10","5","7","6","4","1") = "9"
    & skf18("7","10","5","7","6","5","1") = "9"
    & skf18("7","10","5","7","6","6","1") = "9"
    & skf18("7","10","5","7","6","7","1") = "9"
    & skf18("7","10","5","7","6","8","1") = "9"
    & skf18("7","10","5","7","6","9","1") = "9"
    & skf18("7","10","5","7","6","10","1") = "9"
    & skf18("7","10","5","7","7","1","1") = "9"
    & skf18("7","10","5","7","7","2","1") = "9"
    & skf18("7","10","5","7","7","3","1") = "9"
    & skf18("7","10","5","7","7","4","1") = "9"
    & skf18("7","10","5","7","7","5","1") = "9"
    & skf18("7","10","5","7","7","6","1") = "9"
    & skf18("7","10","5","7","7","7","1") = "9"
    & skf18("7","10","5","7","7","8","1") = "9"
    & skf18("7","10","5","7","7","9","1") = "9"
    & skf18("7","10","5","7","7","10","1") = "9"
    & skf18("7","10","5","7","8","1","1") = "9"
    & skf18("7","10","5","7","8","2","1") = "9"
    & skf18("7","10","5","7","8","3","1") = "9"
    & skf18("7","10","5","7","8","4","1") = "9"
    & skf18("7","10","5","7","8","5","1") = "9"
    & skf18("7","10","5","7","8","6","1") = "9"
    & skf18("7","10","5","7","8","7","1") = "9"
    & skf18("7","10","5","7","8","8","1") = "9"
    & skf18("7","10","5","7","8","9","1") = "9"
    & skf18("7","10","5","7","8","10","1") = "9"
    & skf18("7","10","5","7","9","1","1") = "9"
    & skf18("7","10","5","7","9","2","1") = "9"
    & skf18("7","10","5","7","9","3","1") = "9"
    & skf18("7","10","5","7","9","4","1") = "9"
    & skf18("7","10","5","7","9","5","1") = "9"
    & skf18("7","10","5","7","9","6","1") = "9"
    & skf18("7","10","5","7","9","7","1") = "9"
    & skf18("7","10","5","7","9","8","1") = "9"
    & skf18("7","10","5","7","9","9","1") = "9"
    & skf18("7","10","5","7","9","10","1") = "9"
    & skf18("7","10","5","7","10","1","1") = "9"
    & skf18("7","10","5","7","10","2","1") = "9"
    & skf18("7","10","5","7","10","3","1") = "9"
    & skf18("7","10","5","7","10","4","1") = "9"
    & skf18("7","10","5","7","10","5","1") = "9"
    & skf18("7","10","5","7","10","6","1") = "9"
    & skf18("7","10","5","7","10","7","1") = "9"
    & skf18("7","10","5","7","10","8","1") = "9"
    & skf18("7","10","5","7","10","9","1") = "9"
    & skf18("7","10","5","7","10","10","1") = "9"
    & skf18("7","10","5","8","1","1","1") = "9"
    & skf18("7","10","5","8","1","2","1") = "9"
    & skf18("7","10","5","8","1","3","1") = "9"
    & skf18("7","10","5","8","1","4","1") = "9"
    & skf18("7","10","5","8","1","5","1") = "9"
    & skf18("7","10","5","8","1","6","1") = "9"
    & skf18("7","10","5","8","1","7","1") = "9"
    & skf18("7","10","5","8","1","8","1") = "9"
    & skf18("7","10","5","8","1","9","1") = "9"
    & skf18("7","10","5","8","1","10","1") = "9"
    & skf18("7","10","5","8","2","1","1") = "9"
    & skf18("7","10","5","8","2","2","1") = "9"
    & skf18("7","10","5","8","2","3","1") = "9"
    & skf18("7","10","5","8","2","4","1") = "9"
    & skf18("7","10","5","8","2","5","1") = "9"
    & skf18("7","10","5","8","2","6","1") = "9"
    & skf18("7","10","5","8","2","7","1") = "9"
    & skf18("7","10","5","8","2","8","1") = "9"
    & skf18("7","10","5","8","2","9","1") = "9"
    & skf18("7","10","5","8","2","10","1") = "9"
    & skf18("7","10","5","8","3","1","1") = "9"
    & skf18("7","10","5","8","3","2","1") = "9"
    & skf18("7","10","5","8","3","3","1") = "9"
    & skf18("7","10","5","8","3","4","1") = "9"
    & skf18("7","10","5","8","3","5","1") = "9"
    & skf18("7","10","5","8","3","6","1") = "9"
    & skf18("7","10","5","8","3","7","1") = "9"
    & skf18("7","10","5","8","3","8","1") = "9"
    & skf18("7","10","5","8","3","9","1") = "9"
    & skf18("7","10","5","8","3","10","1") = "9"
    & skf18("7","10","5","8","4","1","1") = "9"
    & skf18("7","10","5","8","4","2","1") = "9"
    & skf18("7","10","5","8","4","3","1") = "9"
    & skf18("7","10","5","8","4","4","1") = "9"
    & skf18("7","10","5","8","4","5","1") = "9"
    & skf18("7","10","5","8","4","6","1") = "9"
    & skf18("7","10","5","8","4","7","1") = "9"
    & skf18("7","10","5","8","4","8","1") = "9"
    & skf18("7","10","5","8","4","9","1") = "9"
    & skf18("7","10","5","8","4","10","1") = "9"
    & skf18("7","10","5","8","5","1","1") = "9"
    & skf18("7","10","5","8","5","2","1") = "9"
    & skf18("7","10","5","8","5","3","1") = "9"
    & skf18("7","10","5","8","5","4","1") = "9"
    & skf18("7","10","5","8","5","5","1") = "9"
    & skf18("7","10","5","8","5","6","1") = "9"
    & skf18("7","10","5","8","5","7","1") = "9"
    & skf18("7","10","5","8","5","8","1") = "9"
    & skf18("7","10","5","8","5","9","1") = "9"
    & skf18("7","10","5","8","5","10","1") = "9"
    & skf18("7","10","5","8","6","1","1") = "9"
    & skf18("7","10","5","8","6","2","1") = "9"
    & skf18("7","10","5","8","6","3","1") = "9"
    & skf18("7","10","5","8","6","4","1") = "9"
    & skf18("7","10","5","8","6","5","1") = "9"
    & skf18("7","10","5","8","6","6","1") = "9"
    & skf18("7","10","5","8","6","7","1") = "9"
    & skf18("7","10","5","8","6","8","1") = "9"
    & skf18("7","10","5","8","6","9","1") = "9"
    & skf18("7","10","5","8","6","10","1") = "9"
    & skf18("7","10","5","8","7","1","1") = "9"
    & skf18("7","10","5","8","7","2","1") = "9"
    & skf18("7","10","5","8","7","3","1") = "9"
    & skf18("7","10","5","8","7","4","1") = "9"
    & skf18("7","10","5","8","7","5","1") = "9"
    & skf18("7","10","5","8","7","6","1") = "9"
    & skf18("7","10","5","8","7","7","1") = "9"
    & skf18("7","10","5","8","7","8","1") = "9"
    & skf18("7","10","5","8","7","9","1") = "9"
    & skf18("7","10","5","8","7","10","1") = "9"
    & skf18("7","10","5","8","8","1","1") = "9"
    & skf18("7","10","5","8","8","2","1") = "9"
    & skf18("7","10","5","8","8","3","1") = "9"
    & skf18("7","10","5","8","8","4","1") = "9"
    & skf18("7","10","5","8","8","5","1") = "9"
    & skf18("7","10","5","8","8","6","1") = "9"
    & skf18("7","10","5","8","8","7","1") = "9"
    & skf18("7","10","5","8","8","8","1") = "9"
    & skf18("7","10","5","8","8","9","1") = "9"
    & skf18("7","10","5","8","8","10","1") = "9"
    & skf18("7","10","5","8","9","1","1") = "9"
    & skf18("7","10","5","8","9","2","1") = "9"
    & skf18("7","10","5","8","9","3","1") = "9"
    & skf18("7","10","5","8","9","4","1") = "9"
    & skf18("7","10","5","8","9","5","1") = "9"
    & skf18("7","10","5","8","9","6","1") = "9"
    & skf18("7","10","5","8","9","7","1") = "9"
    & skf18("7","10","5","8","9","8","1") = "9"
    & skf18("7","10","5","8","9","9","1") = "9"
    & skf18("7","10","5","8","9","10","1") = "9"
    & skf18("7","10","5","8","10","1","1") = "9"
    & skf18("7","10","5","8","10","2","1") = "9"
    & skf18("7","10","5","8","10","3","1") = "9"
    & skf18("7","10","5","8","10","4","1") = "9"
    & skf18("7","10","5","8","10","5","1") = "9"
    & skf18("7","10","5","8","10","6","1") = "9"
    & skf18("7","10","5","8","10","7","1") = "9"
    & skf18("7","10","5","8","10","8","1") = "9"
    & skf18("7","10","5","8","10","9","1") = "9"
    & skf18("7","10","5","8","10","10","1") = "9"
    & skf18("7","10","5","9","1","1","1") = "9"
    & skf18("7","10","5","9","1","2","1") = "9"
    & skf18("7","10","5","9","1","3","1") = "9"
    & skf18("7","10","5","9","1","4","1") = "9"
    & skf18("7","10","5","9","1","5","1") = "9"
    & skf18("7","10","5","9","1","6","1") = "9"
    & skf18("7","10","5","9","1","7","1") = "9"
    & skf18("7","10","5","9","1","8","1") = "9"
    & skf18("7","10","5","9","1","9","1") = "9"
    & skf18("7","10","5","9","1","10","1") = "9"
    & skf18("7","10","5","9","2","1","1") = "9"
    & skf18("7","10","5","9","2","2","1") = "9"
    & skf18("7","10","5","9","2","3","1") = "9"
    & skf18("7","10","5","9","2","4","1") = "9"
    & skf18("7","10","5","9","2","5","1") = "9"
    & skf18("7","10","5","9","2","6","1") = "9"
    & skf18("7","10","5","9","2","7","1") = "9"
    & skf18("7","10","5","9","2","8","1") = "9"
    & skf18("7","10","5","9","2","9","1") = "9"
    & skf18("7","10","5","9","2","10","1") = "9"
    & skf18("7","10","5","9","3","1","1") = "9"
    & skf18("7","10","5","9","3","2","1") = "9"
    & skf18("7","10","5","9","3","3","1") = "9"
    & skf18("7","10","5","9","3","4","1") = "9"
    & skf18("7","10","5","9","3","5","1") = "9"
    & skf18("7","10","5","9","3","6","1") = "9"
    & skf18("7","10","5","9","3","7","1") = "9"
    & skf18("7","10","5","9","3","8","1") = "9"
    & skf18("7","10","5","9","3","9","1") = "9"
    & skf18("7","10","5","9","3","10","1") = "9"
    & skf18("7","10","5","9","4","1","1") = "9"
    & skf18("7","10","5","9","4","2","1") = "9"
    & skf18("7","10","5","9","4","3","1") = "9"
    & skf18("7","10","5","9","4","4","1") = "9"
    & skf18("7","10","5","9","4","5","1") = "9"
    & skf18("7","10","5","9","4","6","1") = "9"
    & skf18("7","10","5","9","4","7","1") = "9"
    & skf18("7","10","5","9","4","8","1") = "9"
    & skf18("7","10","5","9","4","9","1") = "9"
    & skf18("7","10","5","9","4","10","1") = "9"
    & skf18("7","10","5","9","5","1","1") = "9"
    & skf18("7","10","5","9","5","2","1") = "9"
    & skf18("7","10","5","9","5","3","1") = "9"
    & skf18("7","10","5","9","5","4","1") = "9"
    & skf18("7","10","5","9","5","5","1") = "9"
    & skf18("7","10","5","9","5","6","1") = "9"
    & skf18("7","10","5","9","5","7","1") = "9"
    & skf18("7","10","5","9","5","8","1") = "9"
    & skf18("7","10","5","9","5","9","1") = "9"
    & skf18("7","10","5","9","5","10","1") = "9"
    & skf18("7","10","5","9","6","1","1") = "9"
    & skf18("7","10","5","9","6","2","1") = "9"
    & skf18("7","10","5","9","6","3","1") = "9"
    & skf18("7","10","5","9","6","4","1") = "9"
    & skf18("7","10","5","9","6","5","1") = "9"
    & skf18("7","10","5","9","6","6","1") = "9"
    & skf18("7","10","5","9","6","7","1") = "9"
    & skf18("7","10","5","9","6","8","1") = "9"
    & skf18("7","10","5","9","6","9","1") = "9"
    & skf18("7","10","5","9","6","10","1") = "9"
    & skf18("7","10","5","9","7","1","1") = "9"
    & skf18("7","10","5","9","7","2","1") = "9"
    & skf18("7","10","5","9","7","3","1") = "9"
    & skf18("7","10","5","9","7","4","1") = "9"
    & skf18("7","10","5","9","7","5","1") = "9"
    & skf18("7","10","5","9","7","6","1") = "9"
    & skf18("7","10","5","9","7","7","1") = "9"
    & skf18("7","10","5","9","7","8","1") = "9"
    & skf18("7","10","5","9","7","9","1") = "9"
    & skf18("7","10","5","9","7","10","1") = "9"
    & skf18("7","10","5","9","8","1","1") = "9"
    & skf18("7","10","5","9","8","2","1") = "9"
    & skf18("7","10","5","9","8","3","1") = "9"
    & skf18("7","10","5","9","8","4","1") = "9"
    & skf18("7","10","5","9","8","5","1") = "9"
    & skf18("7","10","5","9","8","6","1") = "9"
    & skf18("7","10","5","9","8","7","1") = "9"
    & skf18("7","10","5","9","8","8","1") = "9"
    & skf18("7","10","5","9","8","9","1") = "9"
    & skf18("7","10","5","9","8","10","1") = "9"
    & skf18("7","10","5","9","9","1","1") = "9"
    & skf18("7","10","5","9","9","2","1") = "9"
    & skf18("7","10","5","9","9","3","1") = "9"
    & skf18("7","10","5","9","9","4","1") = "9"
    & skf18("7","10","5","9","9","5","1") = "9"
    & skf18("7","10","5","9","9","6","1") = "9"
    & skf18("7","10","5","9","9","7","1") = "9"
    & skf18("7","10","5","9","9","8","1") = "9"
    & skf18("7","10","5","9","9","9","1") = "9"
    & skf18("7","10","5","9","9","10","1") = "9"
    & skf18("7","10","5","9","10","1","1") = "9"
    & skf18("7","10","5","9","10","2","1") = "9"
    & skf18("7","10","5","9","10","3","1") = "9"
    & skf18("7","10","5","9","10","4","1") = "9"
    & skf18("7","10","5","9","10","5","1") = "9"
    & skf18("7","10","5","9","10","6","1") = "9"
    & skf18("7","10","5","9","10","7","1") = "9"
    & skf18("7","10","5","9","10","8","1") = "9"
    & skf18("7","10","5","9","10","9","1") = "9"
    & skf18("7","10","5","9","10","10","1") = "9"
    & skf18("7","10","5","10","1","1","1") = "9"
    & skf18("7","10","5","10","1","2","1") = "9"
    & skf18("7","10","5","10","1","3","1") = "9"
    & skf18("7","10","5","10","1","4","1") = "9"
    & skf18("7","10","5","10","1","5","1") = "9"
    & skf18("7","10","5","10","1","6","1") = "9"
    & skf18("7","10","5","10","1","7","1") = "9"
    & skf18("7","10","5","10","1","8","1") = "9"
    & skf18("7","10","5","10","1","9","1") = "9"
    & skf18("7","10","5","10","1","10","1") = "9"
    & skf18("7","10","5","10","2","1","1") = "9"
    & skf18("7","10","5","10","2","2","1") = "9"
    & skf18("7","10","5","10","2","3","1") = "9"
    & skf18("7","10","5","10","2","4","1") = "9"
    & skf18("7","10","5","10","2","5","1") = "9"
    & skf18("7","10","5","10","2","6","1") = "9"
    & skf18("7","10","5","10","2","7","1") = "9"
    & skf18("7","10","5","10","2","8","1") = "9"
    & skf18("7","10","5","10","2","9","1") = "9"
    & skf18("7","10","5","10","2","10","1") = "9"
    & skf18("7","10","5","10","3","1","1") = "9"
    & skf18("7","10","5","10","3","2","1") = "9"
    & skf18("7","10","5","10","3","3","1") = "9"
    & skf18("7","10","5","10","3","4","1") = "9"
    & skf18("7","10","5","10","3","5","1") = "9"
    & skf18("7","10","5","10","3","6","1") = "9"
    & skf18("7","10","5","10","3","7","1") = "9"
    & skf18("7","10","5","10","3","8","1") = "9"
    & skf18("7","10","5","10","3","9","1") = "9"
    & skf18("7","10","5","10","3","10","1") = "9"
    & skf18("7","10","5","10","4","1","1") = "9"
    & skf18("7","10","5","10","4","2","1") = "9"
    & skf18("7","10","5","10","4","3","1") = "9"
    & skf18("7","10","5","10","4","4","1") = "9"
    & skf18("7","10","5","10","4","5","1") = "9"
    & skf18("7","10","5","10","4","6","1") = "9"
    & skf18("7","10","5","10","4","7","1") = "9"
    & skf18("7","10","5","10","4","8","1") = "9"
    & skf18("7","10","5","10","4","9","1") = "9"
    & skf18("7","10","5","10","4","10","1") = "9"
    & skf18("7","10","5","10","5","1","1") = "9"
    & skf18("7","10","5","10","5","2","1") = "9"
    & skf18("7","10","5","10","5","3","1") = "9"
    & skf18("7","10","5","10","5","4","1") = "9"
    & skf18("7","10","5","10","5","5","1") = "9"
    & skf18("7","10","5","10","5","6","1") = "9"
    & skf18("7","10","5","10","5","7","1") = "9"
    & skf18("7","10","5","10","5","8","1") = "9"
    & skf18("7","10","5","10","5","9","1") = "9"
    & skf18("7","10","5","10","5","10","1") = "9"
    & skf18("7","10","5","10","6","1","1") = "9"
    & skf18("7","10","5","10","6","2","1") = "9"
    & skf18("7","10","5","10","6","3","1") = "9"
    & skf18("7","10","5","10","6","4","1") = "9"
    & skf18("7","10","5","10","6","5","1") = "9"
    & skf18("7","10","5","10","6","6","1") = "9"
    & skf18("7","10","5","10","6","7","1") = "9"
    & skf18("7","10","5","10","6","8","1") = "9"
    & skf18("7","10","5","10","6","9","1") = "9"
    & skf18("7","10","5","10","6","10","1") = "9"
    & skf18("7","10","5","10","7","1","1") = "9"
    & skf18("7","10","5","10","7","2","1") = "9"
    & skf18("7","10","5","10","7","3","1") = "9"
    & skf18("7","10","5","10","7","4","1") = "9"
    & skf18("7","10","5","10","7","5","1") = "9"
    & skf18("7","10","5","10","7","6","1") = "9"
    & skf18("7","10","5","10","7","7","1") = "9"
    & skf18("7","10","5","10","7","8","1") = "9"
    & skf18("7","10","5","10","7","9","1") = "9"
    & skf18("7","10","5","10","7","10","1") = "9"
    & skf18("7","10","5","10","8","1","1") = "9"
    & skf18("7","10","5","10","8","2","1") = "9"
    & skf18("7","10","5","10","8","3","1") = "9"
    & skf18("7","10","5","10","8","4","1") = "9"
    & skf18("7","10","5","10","8","5","1") = "9"
    & skf18("7","10","5","10","8","6","1") = "9"
    & skf18("7","10","5","10","8","7","1") = "9"
    & skf18("7","10","5","10","8","8","1") = "9"
    & skf18("7","10","5","10","8","9","1") = "9"
    & skf18("7","10","5","10","8","10","1") = "9"
    & skf18("7","10","5","10","9","1","1") = "9"
    & skf18("7","10","5","10","9","2","1") = "9"
    & skf18("7","10","5","10","9","3","1") = "9"
    & skf18("7","10","5","10","9","4","1") = "9"
    & skf18("7","10","5","10","9","5","1") = "9"
    & skf18("7","10","5","10","9","6","1") = "9"
    & skf18("7","10","5","10","9","7","1") = "9"
    & skf18("7","10","5","10","9","8","1") = "9"
    & skf18("7","10","5","10","9","9","1") = "9"
    & skf18("7","10","5","10","9","10","1") = "9"
    & skf18("7","10","5","10","10","1","1") = "9"
    & skf18("7","10","5","10","10","2","1") = "9"
    & skf18("7","10","5","10","10","3","1") = "9"
    & skf18("7","10","5","10","10","4","1") = "9"
    & skf18("7","10","5","10","10","5","1") = "9"
    & skf18("7","10","5","10","10","6","1") = "9"
    & skf18("7","10","5","10","10","7","1") = "9"
    & skf18("7","10","5","10","10","8","1") = "9"
    & skf18("7","10","5","10","10","9","1") = "9"
    & skf18("7","10","5","10","10","10","1") = "9"
    & skf18("7","10","6","1","1","1","1") = "9"
    & skf18("7","10","6","1","1","2","1") = "9"
    & skf18("7","10","6","1","1","3","1") = "9"
    & skf18("7","10","6","1","1","4","1") = "9"
    & skf18("7","10","6","1","1","5","1") = "9"
    & skf18("7","10","6","1","1","6","1") = "9"
    & skf18("7","10","6","1","1","7","1") = "9"
    & skf18("7","10","6","1","1","8","1") = "9"
    & skf18("7","10","6","1","1","9","1") = "9"
    & skf18("7","10","6","1","1","10","1") = "9"
    & skf18("7","10","6","1","2","1","1") = "9"
    & skf18("7","10","6","1","2","2","1") = "9"
    & skf18("7","10","6","1","2","3","1") = "9"
    & skf18("7","10","6","1","2","4","1") = "9"
    & skf18("7","10","6","1","2","5","1") = "9"
    & skf18("7","10","6","1","2","6","1") = "9"
    & skf18("7","10","6","1","2","7","1") = "9"
    & skf18("7","10","6","1","2","8","1") = "9"
    & skf18("7","10","6","1","2","9","1") = "9"
    & skf18("7","10","6","1","2","10","1") = "9"
    & skf18("7","10","6","1","3","1","1") = "9"
    & skf18("7","10","6","1","3","2","1") = "9"
    & skf18("7","10","6","1","3","3","1") = "9"
    & skf18("7","10","6","1","3","4","1") = "9"
    & skf18("7","10","6","1","3","5","1") = "9"
    & skf18("7","10","6","1","3","6","1") = "9"
    & skf18("7","10","6","1","3","7","1") = "9"
    & skf18("7","10","6","1","3","8","1") = "9"
    & skf18("7","10","6","1","3","9","1") = "9"
    & skf18("7","10","6","1","3","10","1") = "9"
    & skf18("7","10","6","1","4","1","1") = "9"
    & skf18("7","10","6","1","4","2","1") = "9"
    & skf18("7","10","6","1","4","3","1") = "9"
    & skf18("7","10","6","1","4","4","1") = "9"
    & skf18("7","10","6","1","4","5","1") = "9"
    & skf18("7","10","6","1","4","6","1") = "9"
    & skf18("7","10","6","1","4","7","1") = "9"
    & skf18("7","10","6","1","4","8","1") = "9"
    & skf18("7","10","6","1","4","9","1") = "9"
    & skf18("7","10","6","1","4","10","1") = "9"
    & skf18("7","10","6","1","5","1","1") = "9"
    & skf18("7","10","6","1","5","2","1") = "9"
    & skf18("7","10","6","1","5","3","1") = "9"
    & skf18("7","10","6","1","5","4","1") = "9"
    & skf18("7","10","6","1","5","5","1") = "9"
    & skf18("7","10","6","1","5","6","1") = "9"
    & skf18("7","10","6","1","5","7","1") = "9"
    & skf18("7","10","6","1","5","8","1") = "9"
    & skf18("7","10","6","1","5","9","1") = "9"
    & skf18("7","10","6","1","5","10","1") = "9"
    & skf18("7","10","6","1","6","1","1") = "9"
    & skf18("7","10","6","1","6","2","1") = "9"
    & skf18("7","10","6","1","6","3","1") = "9"
    & skf18("7","10","6","1","6","4","1") = "9"
    & skf18("7","10","6","1","6","5","1") = "9"
    & skf18("7","10","6","1","6","6","1") = "9"
    & skf18("7","10","6","1","6","7","1") = "9"
    & skf18("7","10","6","1","6","8","1") = "9"
    & skf18("7","10","6","1","6","9","1") = "9"
    & skf18("7","10","6","1","6","10","1") = "9"
    & skf18("7","10","6","1","7","1","1") = "9"
    & skf18("7","10","6","1","7","2","1") = "9"
    & skf18("7","10","6","1","7","3","1") = "9"
    & skf18("7","10","6","1","7","4","1") = "9"
    & skf18("7","10","6","1","7","5","1") = "9"
    & skf18("7","10","6","1","7","6","1") = "9"
    & skf18("7","10","6","1","7","7","1") = "9"
    & skf18("7","10","6","1","7","8","1") = "9"
    & skf18("7","10","6","1","7","9","1") = "9"
    & skf18("7","10","6","1","7","10","1") = "9"
    & skf18("7","10","6","1","8","1","1") = "9"
    & skf18("7","10","6","1","8","2","1") = "9"
    & skf18("7","10","6","1","8","3","1") = "9"
    & skf18("7","10","6","1","8","4","1") = "9"
    & skf18("7","10","6","1","8","5","1") = "9"
    & skf18("7","10","6","1","8","6","1") = "9"
    & skf18("7","10","6","1","8","7","1") = "9"
    & skf18("7","10","6","1","8","8","1") = "9"
    & skf18("7","10","6","1","8","9","1") = "9"
    & skf18("7","10","6","1","8","10","1") = "9"
    & skf18("7","10","6","1","9","1","1") = "9"
    & skf18("7","10","6","1","9","2","1") = "9"
    & skf18("7","10","6","1","9","3","1") = "9"
    & skf18("7","10","6","1","9","4","1") = "9"
    & skf18("7","10","6","1","9","5","1") = "9"
    & skf18("7","10","6","1","9","6","1") = "9"
    & skf18("7","10","6","1","9","7","1") = "9"
    & skf18("7","10","6","1","9","8","1") = "9"
    & skf18("7","10","6","1","9","9","1") = "9"
    & skf18("7","10","6","1","9","10","1") = "9"
    & skf18("7","10","6","1","10","1","1") = "9"
    & skf18("7","10","6","1","10","2","1") = "9"
    & skf18("7","10","6","1","10","3","1") = "9"
    & skf18("7","10","6","1","10","4","1") = "9"
    & skf18("7","10","6","1","10","5","1") = "9"
    & skf18("7","10","6","1","10","6","1") = "9"
    & skf18("7","10","6","1","10","7","1") = "9"
    & skf18("7","10","6","1","10","8","1") = "9"
    & skf18("7","10","6","1","10","9","1") = "9"
    & skf18("7","10","6","1","10","10","1") = "9"
    & skf18("7","10","6","2","1","1","1") = "9"
    & skf18("7","10","6","2","1","2","1") = "9"
    & skf18("7","10","6","2","1","3","1") = "9"
    & skf18("7","10","6","2","1","4","1") = "9"
    & skf18("7","10","6","2","1","5","1") = "9"
    & skf18("7","10","6","2","1","6","1") = "9"
    & skf18("7","10","6","2","1","7","1") = "9"
    & skf18("7","10","6","2","1","8","1") = "9"
    & skf18("7","10","6","2","1","9","1") = "9"
    & skf18("7","10","6","2","1","10","1") = "9"
    & skf18("7","10","6","2","2","1","1") = "9"
    & skf18("7","10","6","2","2","2","1") = "9"
    & skf18("7","10","6","2","2","3","1") = "9"
    & skf18("7","10","6","2","2","4","1") = "9"
    & skf18("7","10","6","2","2","5","1") = "9"
    & skf18("7","10","6","2","2","6","1") = "9"
    & skf18("7","10","6","2","2","7","1") = "9"
    & skf18("7","10","6","2","2","8","1") = "9"
    & skf18("7","10","6","2","2","9","1") = "9"
    & skf18("7","10","6","2","2","10","1") = "9"
    & skf18("7","10","6","2","3","1","1") = "9"
    & skf18("7","10","6","2","3","2","1") = "9"
    & skf18("7","10","6","2","3","3","1") = "9"
    & skf18("7","10","6","2","3","4","1") = "9"
    & skf18("7","10","6","2","3","5","1") = "9"
    & skf18("7","10","6","2","3","6","1") = "9"
    & skf18("7","10","6","2","3","7","1") = "9"
    & skf18("7","10","6","2","3","8","1") = "9"
    & skf18("7","10","6","2","3","9","1") = "9"
    & skf18("7","10","6","2","3","10","1") = "9"
    & skf18("7","10","6","2","4","1","1") = "9"
    & skf18("7","10","6","2","4","2","1") = "9"
    & skf18("7","10","6","2","4","3","1") = "9"
    & skf18("7","10","6","2","4","4","1") = "9"
    & skf18("7","10","6","2","4","5","1") = "9"
    & skf18("7","10","6","2","4","6","1") = "9"
    & skf18("7","10","6","2","4","7","1") = "9"
    & skf18("7","10","6","2","4","8","1") = "9"
    & skf18("7","10","6","2","4","9","1") = "9"
    & skf18("7","10","6","2","4","10","1") = "9"
    & skf18("7","10","6","2","5","1","1") = "9"
    & skf18("7","10","6","2","5","2","1") = "9"
    & skf18("7","10","6","2","5","3","1") = "9"
    & skf18("7","10","6","2","5","4","1") = "9"
    & skf18("7","10","6","2","5","5","1") = "9"
    & skf18("7","10","6","2","5","6","1") = "9"
    & skf18("7","10","6","2","5","7","1") = "9"
    & skf18("7","10","6","2","5","8","1") = "9"
    & skf18("7","10","6","2","5","9","1") = "9"
    & skf18("7","10","6","2","5","10","1") = "9"
    & skf18("7","10","6","2","6","1","1") = "9"
    & skf18("7","10","6","2","6","2","1") = "9"
    & skf18("7","10","6","2","6","3","1") = "9"
    & skf18("7","10","6","2","6","4","1") = "9"
    & skf18("7","10","6","2","6","5","1") = "9"
    & skf18("7","10","6","2","6","6","1") = "9"
    & skf18("7","10","6","2","6","7","1") = "9"
    & skf18("7","10","6","2","6","8","1") = "9"
    & skf18("7","10","6","2","6","9","1") = "9"
    & skf18("7","10","6","2","6","10","1") = "9"
    & skf18("7","10","6","2","7","1","1") = "9"
    & skf18("7","10","6","2","7","2","1") = "9"
    & skf18("7","10","6","2","7","3","1") = "9"
    & skf18("7","10","6","2","7","4","1") = "9"
    & skf18("7","10","6","2","7","5","1") = "9"
    & skf18("7","10","6","2","7","6","1") = "9"
    & skf18("7","10","6","2","7","7","1") = "9"
    & skf18("7","10","6","2","7","8","1") = "9"
    & skf18("7","10","6","2","7","9","1") = "9"
    & skf18("7","10","6","2","7","10","1") = "9"
    & skf18("7","10","6","2","8","1","1") = "9"
    & skf18("7","10","6","2","8","2","1") = "9"
    & skf18("7","10","6","2","8","3","1") = "9"
    & skf18("7","10","6","2","8","4","1") = "9"
    & skf18("7","10","6","2","8","5","1") = "9"
    & skf18("7","10","6","2","8","6","1") = "9"
    & skf18("7","10","6","2","8","7","1") = "9"
    & skf18("7","10","6","2","8","8","1") = "9"
    & skf18("7","10","6","2","8","9","1") = "9"
    & skf18("7","10","6","2","8","10","1") = "9"
    & skf18("7","10","6","2","9","1","1") = "9"
    & skf18("7","10","6","2","9","2","1") = "9"
    & skf18("7","10","6","2","9","3","1") = "9"
    & skf18("7","10","6","2","9","4","1") = "9"
    & skf18("7","10","6","2","9","5","1") = "9"
    & skf18("7","10","6","2","9","6","1") = "9"
    & skf18("7","10","6","2","9","7","1") = "9"
    & skf18("7","10","6","2","9","8","1") = "9"
    & skf18("7","10","6","2","9","9","1") = "9"
    & skf18("7","10","6","2","9","10","1") = "9"
    & skf18("7","10","6","2","10","1","1") = "9"
    & skf18("7","10","6","2","10","2","1") = "9"
    & skf18("7","10","6","2","10","3","1") = "9"
    & skf18("7","10","6","2","10","4","1") = "9"
    & skf18("7","10","6","2","10","5","1") = "9"
    & skf18("7","10","6","2","10","6","1") = "9"
    & skf18("7","10","6","2","10","7","1") = "9"
    & skf18("7","10","6","2","10","8","1") = "9"
    & skf18("7","10","6","2","10","9","1") = "9"
    & skf18("7","10","6","2","10","10","1") = "9"
    & skf18("7","10","6","3","1","1","1") = "9"
    & skf18("7","10","6","3","1","2","1") = "9"
    & skf18("7","10","6","3","1","3","1") = "9"
    & skf18("7","10","6","3","1","4","1") = "9"
    & skf18("7","10","6","3","1","5","1") = "9"
    & skf18("7","10","6","3","1","6","1") = "9"
    & skf18("7","10","6","3","1","7","1") = "9"
    & skf18("7","10","6","3","1","8","1") = "9"
    & skf18("7","10","6","3","1","9","1") = "9"
    & skf18("7","10","6","3","1","10","1") = "9"
    & skf18("7","10","6","3","2","1","1") = "9"
    & skf18("7","10","6","3","2","2","1") = "9"
    & skf18("7","10","6","3","2","3","1") = "9"
    & skf18("7","10","6","3","2","4","1") = "9"
    & skf18("7","10","6","3","2","5","1") = "9"
    & skf18("7","10","6","3","2","6","1") = "9"
    & skf18("7","10","6","3","2","7","1") = "9"
    & skf18("7","10","6","3","2","8","1") = "9"
    & skf18("7","10","6","3","2","9","1") = "9"
    & skf18("7","10","6","3","2","10","1") = "9"
    & skf18("7","10","6","3","3","1","1") = "9"
    & skf18("7","10","6","3","3","2","1") = "9"
    & skf18("7","10","6","3","3","3","1") = "9"
    & skf18("7","10","6","3","3","4","1") = "9"
    & skf18("7","10","6","3","3","5","1") = "9"
    & skf18("7","10","6","3","3","6","1") = "9"
    & skf18("7","10","6","3","3","7","1") = "9"
    & skf18("7","10","6","3","3","8","1") = "9"
    & skf18("7","10","6","3","3","9","1") = "9"
    & skf18("7","10","6","3","3","10","1") = "9"
    & skf18("7","10","6","3","4","1","1") = "9"
    & skf18("7","10","6","3","4","2","1") = "9"
    & skf18("7","10","6","3","4","3","1") = "9"
    & skf18("7","10","6","3","4","4","1") = "9"
    & skf18("7","10","6","3","4","5","1") = "9"
    & skf18("7","10","6","3","4","6","1") = "9"
    & skf18("7","10","6","3","4","7","1") = "9"
    & skf18("7","10","6","3","4","8","1") = "9"
    & skf18("7","10","6","3","4","9","1") = "9"
    & skf18("7","10","6","3","4","10","1") = "9"
    & skf18("7","10","6","3","5","1","1") = "9"
    & skf18("7","10","6","3","5","2","1") = "9"
    & skf18("7","10","6","3","5","3","1") = "9"
    & skf18("7","10","6","3","5","4","1") = "9"
    & skf18("7","10","6","3","5","5","1") = "9"
    & skf18("7","10","6","3","5","6","1") = "9"
    & skf18("7","10","6","3","5","7","1") = "9"
    & skf18("7","10","6","3","5","8","1") = "9"
    & skf18("7","10","6","3","5","9","1") = "9"
    & skf18("7","10","6","3","5","10","1") = "9"
    & skf18("7","10","6","3","6","1","1") = "9"
    & skf18("7","10","6","3","6","2","1") = "9"
    & skf18("7","10","6","3","6","3","1") = "9"
    & skf18("7","10","6","3","6","4","1") = "9"
    & skf18("7","10","6","3","6","5","1") = "9"
    & skf18("7","10","6","3","6","6","1") = "9"
    & skf18("7","10","6","3","6","7","1") = "9"
    & skf18("7","10","6","3","6","8","1") = "9"
    & skf18("7","10","6","3","6","9","1") = "9"
    & skf18("7","10","6","3","6","10","1") = "9"
    & skf18("7","10","6","3","7","1","1") = "9"
    & skf18("7","10","6","3","7","2","1") = "9"
    & skf18("7","10","6","3","7","3","1") = "9"
    & skf18("7","10","6","3","7","4","1") = "9"
    & skf18("7","10","6","3","7","5","1") = "9"
    & skf18("7","10","6","3","7","6","1") = "9"
    & skf18("7","10","6","3","7","7","1") = "9"
    & skf18("7","10","6","3","7","8","1") = "9"
    & skf18("7","10","6","3","7","9","1") = "9"
    & skf18("7","10","6","3","7","10","1") = "9"
    & skf18("7","10","6","3","8","1","1") = "9"
    & skf18("7","10","6","3","8","2","1") = "9"
    & skf18("7","10","6","3","8","3","1") = "9"
    & skf18("7","10","6","3","8","4","1") = "9"
    & skf18("7","10","6","3","8","5","1") = "9"
    & skf18("7","10","6","3","8","6","1") = "9"
    & skf18("7","10","6","3","8","7","1") = "9"
    & skf18("7","10","6","3","8","8","1") = "9"
    & skf18("7","10","6","3","8","9","1") = "9"
    & skf18("7","10","6","3","8","10","1") = "9"
    & skf18("7","10","6","3","9","1","1") = "9"
    & skf18("7","10","6","3","9","2","1") = "9"
    & skf18("7","10","6","3","9","3","1") = "9"
    & skf18("7","10","6","3","9","4","1") = "9"
    & skf18("7","10","6","3","9","5","1") = "9"
    & skf18("7","10","6","3","9","6","1") = "9"
    & skf18("7","10","6","3","9","7","1") = "9"
    & skf18("7","10","6","3","9","8","1") = "9"
    & skf18("7","10","6","3","9","9","1") = "9"
    & skf18("7","10","6","3","9","10","1") = "9"
    & skf18("7","10","6","3","10","1","1") = "9"
    & skf18("7","10","6","3","10","2","1") = "9"
    & skf18("7","10","6","3","10","3","1") = "9"
    & skf18("7","10","6","3","10","4","1") = "9"
    & skf18("7","10","6","3","10","5","1") = "9"
    & skf18("7","10","6","3","10","6","1") = "9"
    & skf18("7","10","6","3","10","7","1") = "9"
    & skf18("7","10","6","3","10","8","1") = "9"
    & skf18("7","10","6","3","10","9","1") = "9"
    & skf18("7","10","6","3","10","10","1") = "9"
    & skf18("7","10","6","4","1","1","1") = "9"
    & skf18("7","10","6","4","1","2","1") = "9"
    & skf18("7","10","6","4","1","3","1") = "9"
    & skf18("7","10","6","4","1","4","1") = "9"
    & skf18("7","10","6","4","1","5","1") = "9"
    & skf18("7","10","6","4","1","6","1") = "9"
    & skf18("7","10","6","4","1","7","1") = "9"
    & skf18("7","10","6","4","1","8","1") = "9"
    & skf18("7","10","6","4","1","9","1") = "9"
    & skf18("7","10","6","4","1","10","1") = "9"
    & skf18("7","10","6","4","2","1","1") = "9"
    & skf18("7","10","6","4","2","2","1") = "9"
    & skf18("7","10","6","4","2","3","1") = "9"
    & skf18("7","10","6","4","2","4","1") = "9"
    & skf18("7","10","6","4","2","5","1") = "9"
    & skf18("7","10","6","4","2","6","1") = "9"
    & skf18("7","10","6","4","2","7","1") = "9"
    & skf18("7","10","6","4","2","8","1") = "9"
    & skf18("7","10","6","4","2","9","1") = "9"
    & skf18("7","10","6","4","2","10","1") = "9"
    & skf18("7","10","6","4","3","1","1") = "9"
    & skf18("7","10","6","4","3","2","1") = "9"
    & skf18("7","10","6","4","3","3","1") = "9"
    & skf18("7","10","6","4","3","4","1") = "9"
    & skf18("7","10","6","4","3","5","1") = "9"
    & skf18("7","10","6","4","3","6","1") = "9"
    & skf18("7","10","6","4","3","7","1") = "9"
    & skf18("7","10","6","4","3","8","1") = "9"
    & skf18("7","10","6","4","3","9","1") = "9"
    & skf18("7","10","6","4","3","10","1") = "9"
    & skf18("7","10","6","4","4","1","1") = "9"
    & skf18("7","10","6","4","4","2","1") = "9"
    & skf18("7","10","6","4","4","3","1") = "9"
    & skf18("7","10","6","4","4","4","1") = "9"
    & skf18("7","10","6","4","4","5","1") = "9"
    & skf18("7","10","6","4","4","6","1") = "9"
    & skf18("7","10","6","4","4","7","1") = "9"
    & skf18("7","10","6","4","4","8","1") = "9"
    & skf18("7","10","6","4","4","9","1") = "9"
    & skf18("7","10","6","4","4","10","1") = "9"
    & skf18("7","10","6","4","5","1","1") = "9"
    & skf18("7","10","6","4","5","2","1") = "9"
    & skf18("7","10","6","4","5","3","1") = "9"
    & skf18("7","10","6","4","5","4","1") = "9"
    & skf18("7","10","6","4","5","5","1") = "9"
    & skf18("7","10","6","4","5","6","1") = "9"
    & skf18("7","10","6","4","5","7","1") = "9"
    & skf18("7","10","6","4","5","8","1") = "9"
    & skf18("7","10","6","4","5","9","1") = "9"
    & skf18("7","10","6","4","5","10","1") = "9"
    & skf18("7","10","6","4","6","1","1") = "9"
    & skf18("7","10","6","4","6","2","1") = "9"
    & skf18("7","10","6","4","6","3","1") = "9"
    & skf18("7","10","6","4","6","4","1") = "9"
    & skf18("7","10","6","4","6","5","1") = "9"
    & skf18("7","10","6","4","6","6","1") = "9"
    & skf18("7","10","6","4","6","7","1") = "9"
    & skf18("7","10","6","4","6","8","1") = "9"
    & skf18("7","10","6","4","6","9","1") = "9"
    & skf18("7","10","6","4","6","10","1") = "9"
    & skf18("7","10","6","4","7","1","1") = "9"
    & skf18("7","10","6","4","7","2","1") = "9"
    & skf18("7","10","6","4","7","3","1") = "9"
    & skf18("7","10","6","4","7","4","1") = "9"
    & skf18("7","10","6","4","7","5","1") = "9"
    & skf18("7","10","6","4","7","6","1") = "9"
    & skf18("7","10","6","4","7","7","1") = "9"
    & skf18("7","10","6","4","7","8","1") = "9"
    & skf18("7","10","6","4","7","9","1") = "9"
    & skf18("7","10","6","4","7","10","1") = "9"
    & skf18("7","10","6","4","8","1","1") = "9"
    & skf18("7","10","6","4","8","2","1") = "9"
    & skf18("7","10","6","4","8","3","1") = "9"
    & skf18("7","10","6","4","8","4","1") = "9"
    & skf18("7","10","6","4","8","5","1") = "9"
    & skf18("7","10","6","4","8","6","1") = "9"
    & skf18("7","10","6","4","8","7","1") = "9"
    & skf18("7","10","6","4","8","8","1") = "9"
    & skf18("7","10","6","4","8","9","1") = "9"
    & skf18("7","10","6","4","8","10","1") = "9"
    & skf18("7","10","6","4","9","1","1") = "9"
    & skf18("7","10","6","4","9","2","1") = "9"
    & skf18("7","10","6","4","9","3","1") = "9"
    & skf18("7","10","6","4","9","4","1") = "9"
    & skf18("7","10","6","4","9","5","1") = "9"
    & skf18("7","10","6","4","9","6","1") = "9"
    & skf18("7","10","6","4","9","7","1") = "9"
    & skf18("7","10","6","4","9","8","1") = "9"
    & skf18("7","10","6","4","9","9","1") = "9"
    & skf18("7","10","6","4","9","10","1") = "9"
    & skf18("7","10","6","4","10","1","1") = "9"
    & skf18("7","10","6","4","10","2","1") = "9"
    & skf18("7","10","6","4","10","3","1") = "9"
    & skf18("7","10","6","4","10","4","1") = "9"
    & skf18("7","10","6","4","10","5","1") = "9"
    & skf18("7","10","6","4","10","6","1") = "9"
    & skf18("7","10","6","4","10","7","1") = "9"
    & skf18("7","10","6","4","10","8","1") = "9"
    & skf18("7","10","6","4","10","9","1") = "9"
    & skf18("7","10","6","4","10","10","1") = "9"
    & skf18("7","10","6","5","1","1","1") = "9"
    & skf18("7","10","6","5","1","2","1") = "9"
    & skf18("7","10","6","5","1","3","1") = "9"
    & skf18("7","10","6","5","1","4","1") = "9"
    & skf18("7","10","6","5","1","5","1") = "9"
    & skf18("7","10","6","5","1","6","1") = "9"
    & skf18("7","10","6","5","1","7","1") = "9"
    & skf18("7","10","6","5","1","8","1") = "9"
    & skf18("7","10","6","5","1","9","1") = "9"
    & skf18("7","10","6","5","1","10","1") = "9"
    & skf18("7","10","6","5","2","1","1") = "9"
    & skf18("7","10","6","5","2","2","1") = "9"
    & skf18("7","10","6","5","2","3","1") = "9"
    & skf18("7","10","6","5","2","4","1") = "9"
    & skf18("7","10","6","5","2","5","1") = "9"
    & skf18("7","10","6","5","2","6","1") = "9"
    & skf18("7","10","6","5","2","7","1") = "9"
    & skf18("7","10","6","5","2","8","1") = "9"
    & skf18("7","10","6","5","2","9","1") = "9"
    & skf18("7","10","6","5","2","10","1") = "9"
    & skf18("7","10","6","5","3","1","1") = "9"
    & skf18("7","10","6","5","3","2","1") = "9"
    & skf18("7","10","6","5","3","3","1") = "9"
    & skf18("7","10","6","5","3","4","1") = "9"
    & skf18("7","10","6","5","3","5","1") = "9"
    & skf18("7","10","6","5","3","6","1") = "9"
    & skf18("7","10","6","5","3","7","1") = "9"
    & skf18("7","10","6","5","3","8","1") = "9"
    & skf18("7","10","6","5","3","9","1") = "9"
    & skf18("7","10","6","5","3","10","1") = "9"
    & skf18("7","10","6","5","4","1","1") = "9"
    & skf18("7","10","6","5","4","2","1") = "9"
    & skf18("7","10","6","5","4","3","1") = "9"
    & skf18("7","10","6","5","4","4","1") = "9"
    & skf18("7","10","6","5","4","5","1") = "9"
    & skf18("7","10","6","5","4","6","1") = "9"
    & skf18("7","10","6","5","4","7","1") = "9"
    & skf18("7","10","6","5","4","8","1") = "9"
    & skf18("7","10","6","5","4","9","1") = "9"
    & skf18("7","10","6","5","4","10","1") = "9"
    & skf18("7","10","6","5","5","1","1") = "9"
    & skf18("7","10","6","5","5","2","1") = "9"
    & skf18("7","10","6","5","5","3","1") = "9"
    & skf18("7","10","6","5","5","4","1") = "9"
    & skf18("7","10","6","5","5","5","1") = "9"
    & skf18("7","10","6","5","5","6","1") = "9"
    & skf18("7","10","6","5","5","7","1") = "9"
    & skf18("7","10","6","5","5","8","1") = "9"
    & skf18("7","10","6","5","5","9","1") = "9"
    & skf18("7","10","6","5","5","10","1") = "9"
    & skf18("7","10","6","5","6","1","1") = "9"
    & skf18("7","10","6","5","6","2","1") = "9"
    & skf18("7","10","6","5","6","3","1") = "9"
    & skf18("7","10","6","5","6","4","1") = "9"
    & skf18("7","10","6","5","6","5","1") = "9"
    & skf18("7","10","6","5","6","6","1") = "9"
    & skf18("7","10","6","5","6","7","1") = "9"
    & skf18("7","10","6","5","6","8","1") = "9"
    & skf18("7","10","6","5","6","9","1") = "9"
    & skf18("7","10","6","5","6","10","1") = "9"
    & skf18("7","10","6","5","7","1","1") = "9"
    & skf18("7","10","6","5","7","2","1") = "9"
    & skf18("7","10","6","5","7","3","1") = "9"
    & skf18("7","10","6","5","7","4","1") = "9"
    & skf18("7","10","6","5","7","5","1") = "9"
    & skf18("7","10","6","5","7","6","1") = "9"
    & skf18("7","10","6","5","7","7","1") = "9"
    & skf18("7","10","6","5","7","8","1") = "9"
    & skf18("7","10","6","5","7","9","1") = "9"
    & skf18("7","10","6","5","7","10","1") = "9"
    & skf18("7","10","6","5","8","1","1") = "9"
    & skf18("7","10","6","5","8","2","1") = "9"
    & skf18("7","10","6","5","8","3","1") = "9"
    & skf18("7","10","6","5","8","4","1") = "9"
    & skf18("7","10","6","5","8","5","1") = "9"
    & skf18("7","10","6","5","8","6","1") = "9"
    & skf18("7","10","6","5","8","7","1") = "9"
    & skf18("7","10","6","5","8","8","1") = "9"
    & skf18("7","10","6","5","8","9","1") = "9"
    & skf18("7","10","6","5","8","10","1") = "9"
    & skf18("7","10","6","5","9","1","1") = "9"
    & skf18("7","10","6","5","9","2","1") = "9"
    & skf18("7","10","6","5","9","3","1") = "9"
    & skf18("7","10","6","5","9","4","1") = "9"
    & skf18("7","10","6","5","9","5","1") = "9"
    & skf18("7","10","6","5","9","6","1") = "9"
    & skf18("7","10","6","5","9","7","1") = "9"
    & skf18("7","10","6","5","9","8","1") = "9"
    & skf18("7","10","6","5","9","9","1") = "9"
    & skf18("7","10","6","5","9","10","1") = "9"
    & skf18("7","10","6","5","10","1","1") = "9"
    & skf18("7","10","6","5","10","2","1") = "9"
    & skf18("7","10","6","5","10","3","1") = "9"
    & skf18("7","10","6","5","10","4","1") = "9"
    & skf18("7","10","6","5","10","5","1") = "9"
    & skf18("7","10","6","5","10","6","1") = "9"
    & skf18("7","10","6","5","10","7","1") = "9"
    & skf18("7","10","6","5","10","8","1") = "9"
    & skf18("7","10","6","5","10","9","1") = "9"
    & skf18("7","10","6","5","10","10","1") = "9"
    & skf18("7","10","6","6","1","1","1") = "9"
    & skf18("7","10","6","6","1","2","1") = "9"
    & skf18("7","10","6","6","1","3","1") = "9"
    & skf18("7","10","6","6","1","4","1") = "9"
    & skf18("7","10","6","6","1","5","1") = "9"
    & skf18("7","10","6","6","1","6","1") = "9"
    & skf18("7","10","6","6","1","7","1") = "9"
    & skf18("7","10","6","6","1","8","1") = "9"
    & skf18("7","10","6","6","1","9","1") = "9"
    & skf18("7","10","6","6","1","10","1") = "9"
    & skf18("7","10","6","6","2","1","1") = "9"
    & skf18("7","10","6","6","2","2","1") = "9"
    & skf18("7","10","6","6","2","3","1") = "9"
    & skf18("7","10","6","6","2","4","1") = "9"
    & skf18("7","10","6","6","2","5","1") = "9"
    & skf18("7","10","6","6","2","6","1") = "9"
    & skf18("7","10","6","6","2","7","1") = "9"
    & skf18("7","10","6","6","2","8","1") = "9"
    & skf18("7","10","6","6","2","9","1") = "9"
    & skf18("7","10","6","6","2","10","1") = "9"
    & skf18("7","10","6","6","3","1","1") = "9"
    & skf18("7","10","6","6","3","2","1") = "9"
    & skf18("7","10","6","6","3","3","1") = "9"
    & skf18("7","10","6","6","3","4","1") = "9"
    & skf18("7","10","6","6","3","5","1") = "9"
    & skf18("7","10","6","6","3","6","1") = "9"
    & skf18("7","10","6","6","3","7","1") = "9"
    & skf18("7","10","6","6","3","8","1") = "9"
    & skf18("7","10","6","6","3","9","1") = "9"
    & skf18("7","10","6","6","3","10","1") = "9"
    & skf18("7","10","6","6","4","1","1") = "9"
    & skf18("7","10","6","6","4","2","1") = "9"
    & skf18("7","10","6","6","4","3","1") = "9"
    & skf18("7","10","6","6","4","4","1") = "9"
    & skf18("7","10","6","6","4","5","1") = "9"
    & skf18("7","10","6","6","4","6","1") = "9"
    & skf18("7","10","6","6","4","7","1") = "9"
    & skf18("7","10","6","6","4","8","1") = "9"
    & skf18("7","10","6","6","4","9","1") = "9"
    & skf18("7","10","6","6","4","10","1") = "9"
    & skf18("7","10","6","6","5","1","1") = "9"
    & skf18("7","10","6","6","5","2","1") = "9"
    & skf18("7","10","6","6","5","3","1") = "9"
    & skf18("7","10","6","6","5","4","1") = "9"
    & skf18("7","10","6","6","5","5","1") = "9"
    & skf18("7","10","6","6","5","6","1") = "9"
    & skf18("7","10","6","6","5","7","1") = "9"
    & skf18("7","10","6","6","5","8","1") = "9"
    & skf18("7","10","6","6","5","9","1") = "9"
    & skf18("7","10","6","6","5","10","1") = "9"
    & skf18("7","10","6","6","6","1","1") = "9"
    & skf18("7","10","6","6","6","2","1") = "9"
    & skf18("7","10","6","6","6","3","1") = "9"
    & skf18("7","10","6","6","6","4","1") = "9"
    & skf18("7","10","6","6","6","5","1") = "9"
    & skf18("7","10","6","6","6","6","1") = "9"
    & skf18("7","10","6","6","6","7","1") = "9"
    & skf18("7","10","6","6","6","8","1") = "9"
    & skf18("7","10","6","6","6","9","1") = "9"
    & skf18("7","10","6","6","6","10","1") = "9"
    & skf18("7","10","6","6","7","1","1") = "9"
    & skf18("7","10","6","6","7","2","1") = "9"
    & skf18("7","10","6","6","7","3","1") = "9"
    & skf18("7","10","6","6","7","4","1") = "9"
    & skf18("7","10","6","6","7","5","1") = "9"
    & skf18("7","10","6","6","7","6","1") = "9"
    & skf18("7","10","6","6","7","7","1") = "9"
    & skf18("7","10","6","6","7","8","1") = "9"
    & skf18("7","10","6","6","7","9","1") = "9"
    & skf18("7","10","6","6","7","10","1") = "9"
    & skf18("7","10","6","6","8","1","1") = "9"
    & skf18("7","10","6","6","8","2","1") = "9"
    & skf18("7","10","6","6","8","3","1") = "9"
    & skf18("7","10","6","6","8","4","1") = "9"
    & skf18("7","10","6","6","8","5","1") = "9"
    & skf18("7","10","6","6","8","6","1") = "9"
    & skf18("7","10","6","6","8","7","1") = "9"
    & skf18("7","10","6","6","8","8","1") = "9"
    & skf18("7","10","6","6","8","9","1") = "9"
    & skf18("7","10","6","6","8","10","1") = "9"
    & skf18("7","10","6","6","9","1","1") = "9"
    & skf18("7","10","6","6","9","2","1") = "9"
    & skf18("7","10","6","6","9","3","1") = "9"
    & skf18("7","10","6","6","9","4","1") = "9"
    & skf18("7","10","6","6","9","5","1") = "9"
    & skf18("7","10","6","6","9","6","1") = "9"
    & skf18("7","10","6","6","9","7","1") = "9"
    & skf18("7","10","6","6","9","8","1") = "9"
    & skf18("7","10","6","6","9","9","1") = "9"
    & skf18("7","10","6","6","9","10","1") = "9"
    & skf18("7","10","6","6","10","1","1") = "9"
    & skf18("7","10","6","6","10","2","1") = "9"
    & skf18("7","10","6","6","10","3","1") = "9"
    & skf18("7","10","6","6","10","4","1") = "9"
    & skf18("7","10","6","6","10","5","1") = "9"
    & skf18("7","10","6","6","10","6","1") = "9"
    & skf18("7","10","6","6","10","7","1") = "9"
    & skf18("7","10","6","6","10","8","1") = "9"
    & skf18("7","10","6","6","10","9","1") = "9"
    & skf18("7","10","6","6","10","10","1") = "9"
    & skf18("7","10","6","7","1","1","1") = "9"
    & skf18("7","10","6","7","1","2","1") = "9"
    & skf18("7","10","6","7","1","3","1") = "9"
    & skf18("7","10","6","7","1","4","1") = "9"
    & skf18("7","10","6","7","1","5","1") = "9"
    & skf18("7","10","6","7","1","6","1") = "9"
    & skf18("7","10","6","7","1","7","1") = "9"
    & skf18("7","10","6","7","1","8","1") = "9"
    & skf18("7","10","6","7","1","9","1") = "9"
    & skf18("7","10","6","7","1","10","1") = "9"
    & skf18("7","10","6","7","2","1","1") = "9"
    & skf18("7","10","6","7","2","2","1") = "9"
    & skf18("7","10","6","7","2","3","1") = "9"
    & skf18("7","10","6","7","2","4","1") = "9"
    & skf18("7","10","6","7","2","5","1") = "9"
    & skf18("7","10","6","7","2","6","1") = "9"
    & skf18("7","10","6","7","2","7","1") = "9"
    & skf18("7","10","6","7","2","8","1") = "9"
    & skf18("7","10","6","7","2","9","1") = "9"
    & skf18("7","10","6","7","2","10","1") = "9"
    & skf18("7","10","6","7","3","1","1") = "9"
    & skf18("7","10","6","7","3","2","1") = "9"
    & skf18("7","10","6","7","3","3","1") = "9"
    & skf18("7","10","6","7","3","4","1") = "9"
    & skf18("7","10","6","7","3","5","1") = "9"
    & skf18("7","10","6","7","3","6","1") = "9"
    & skf18("7","10","6","7","3","7","1") = "9"
    & skf18("7","10","6","7","3","8","1") = "9"
    & skf18("7","10","6","7","3","9","1") = "9"
    & skf18("7","10","6","7","3","10","1") = "9"
    & skf18("7","10","6","7","4","1","1") = "9"
    & skf18("7","10","6","7","4","2","1") = "9"
    & skf18("7","10","6","7","4","3","1") = "9"
    & skf18("7","10","6","7","4","4","1") = "9"
    & skf18("7","10","6","7","4","5","1") = "9"
    & skf18("7","10","6","7","4","6","1") = "9"
    & skf18("7","10","6","7","4","7","1") = "9"
    & skf18("7","10","6","7","4","8","1") = "9"
    & skf18("7","10","6","7","4","9","1") = "9"
    & skf18("7","10","6","7","4","10","1") = "9"
    & skf18("7","10","6","7","5","1","1") = "9"
    & skf18("7","10","6","7","5","2","1") = "9"
    & skf18("7","10","6","7","5","3","1") = "9"
    & skf18("7","10","6","7","5","4","1") = "9"
    & skf18("7","10","6","7","5","5","1") = "9"
    & skf18("7","10","6","7","5","6","1") = "9"
    & skf18("7","10","6","7","5","7","1") = "9"
    & skf18("7","10","6","7","5","8","1") = "9"
    & skf18("7","10","6","7","5","9","1") = "9"
    & skf18("7","10","6","7","5","10","1") = "9"
    & skf18("7","10","6","7","6","1","1") = "9"
    & skf18("7","10","6","7","6","2","1") = "9"
    & skf18("7","10","6","7","6","3","1") = "9"
    & skf18("7","10","6","7","6","4","1") = "9"
    & skf18("7","10","6","7","6","5","1") = "9"
    & skf18("7","10","6","7","6","6","1") = "9"
    & skf18("7","10","6","7","6","7","1") = "9"
    & skf18("7","10","6","7","6","8","1") = "9"
    & skf18("7","10","6","7","6","9","1") = "9"
    & skf18("7","10","6","7","6","10","1") = "9"
    & skf18("7","10","6","7","7","1","1") = "9"
    & skf18("7","10","6","7","7","2","1") = "9"
    & skf18("7","10","6","7","7","3","1") = "9"
    & skf18("7","10","6","7","7","4","1") = "9"
    & skf18("7","10","6","7","7","5","1") = "9"
    & skf18("7","10","6","7","7","6","1") = "9"
    & skf18("7","10","6","7","7","7","1") = "9"
    & skf18("7","10","6","7","7","8","1") = "9"
    & skf18("7","10","6","7","7","9","1") = "9"
    & skf18("7","10","6","7","7","10","1") = "9"
    & skf18("7","10","6","7","8","1","1") = "9"
    & skf18("7","10","6","7","8","2","1") = "9"
    & skf18("7","10","6","7","8","3","1") = "9"
    & skf18("7","10","6","7","8","4","1") = "9"
    & skf18("7","10","6","7","8","5","1") = "9"
    & skf18("7","10","6","7","8","6","1") = "9"
    & skf18("7","10","6","7","8","7","1") = "9"
    & skf18("7","10","6","7","8","8","1") = "9"
    & skf18("7","10","6","7","8","9","1") = "9"
    & skf18("7","10","6","7","8","10","1") = "9"
    & skf18("7","10","6","7","9","1","1") = "9"
    & skf18("7","10","6","7","9","2","1") = "9"
    & skf18("7","10","6","7","9","3","1") = "9"
    & skf18("7","10","6","7","9","4","1") = "9"
    & skf18("7","10","6","7","9","5","1") = "9"
    & skf18("7","10","6","7","9","6","1") = "9"
    & skf18("7","10","6","7","9","7","1") = "9"
    & skf18("7","10","6","7","9","8","1") = "9"
    & skf18("7","10","6","7","9","9","1") = "9"
    & skf18("7","10","6","7","9","10","1") = "9"
    & skf18("7","10","6","7","10","1","1") = "9"
    & skf18("7","10","6","7","10","2","1") = "9"
    & skf18("7","10","6","7","10","3","1") = "9"
    & skf18("7","10","6","7","10","4","1") = "9"
    & skf18("7","10","6","7","10","5","1") = "9"
    & skf18("7","10","6","7","10","6","1") = "9"
    & skf18("7","10","6","7","10","7","1") = "9"
    & skf18("7","10","6","7","10","8","1") = "9"
    & skf18("7","10","6","7","10","9","1") = "9"
    & skf18("7","10","6","7","10","10","1") = "9"
    & skf18("7","10","6","8","1","1","1") = "9"
    & skf18("7","10","6","8","1","2","1") = "9"
    & skf18("7","10","6","8","1","3","1") = "9"
    & skf18("7","10","6","8","1","4","1") = "9"
    & skf18("7","10","6","8","1","5","1") = "9"
    & skf18("7","10","6","8","1","6","1") = "9"
    & skf18("7","10","6","8","1","7","1") = "9"
    & skf18("7","10","6","8","1","8","1") = "9"
    & skf18("7","10","6","8","1","9","1") = "9"
    & skf18("7","10","6","8","1","10","1") = "9"
    & skf18("7","10","6","8","2","1","1") = "9"
    & skf18("7","10","6","8","2","2","1") = "9"
    & skf18("7","10","6","8","2","3","1") = "9"
    & skf18("7","10","6","8","2","4","1") = "9"
    & skf18("7","10","6","8","2","5","1") = "9"
    & skf18("7","10","6","8","2","6","1") = "9"
    & skf18("7","10","6","8","2","7","1") = "9"
    & skf18("7","10","6","8","2","8","1") = "9"
    & skf18("7","10","6","8","2","9","1") = "9"
    & skf18("7","10","6","8","2","10","1") = "9"
    & skf18("7","10","6","8","3","1","1") = "9"
    & skf18("7","10","6","8","3","2","1") = "9"
    & skf18("7","10","6","8","3","3","1") = "9"
    & skf18("7","10","6","8","3","4","1") = "9"
    & skf18("7","10","6","8","3","5","1") = "9"
    & skf18("7","10","6","8","3","6","1") = "9"
    & skf18("7","10","6","8","3","7","1") = "9"
    & skf18("7","10","6","8","3","8","1") = "9"
    & skf18("7","10","6","8","3","9","1") = "9"
    & skf18("7","10","6","8","3","10","1") = "9"
    & skf18("7","10","6","8","4","1","1") = "9"
    & skf18("7","10","6","8","4","2","1") = "9"
    & skf18("7","10","6","8","4","3","1") = "9"
    & skf18("7","10","6","8","4","4","1") = "9"
    & skf18("7","10","6","8","4","5","1") = "9"
    & skf18("7","10","6","8","4","6","1") = "9"
    & skf18("7","10","6","8","4","7","1") = "9"
    & skf18("7","10","6","8","4","8","1") = "9"
    & skf18("7","10","6","8","4","9","1") = "9"
    & skf18("7","10","6","8","4","10","1") = "9"
    & skf18("7","10","6","8","5","1","1") = "9"
    & skf18("7","10","6","8","5","2","1") = "9"
    & skf18("7","10","6","8","5","3","1") = "9"
    & skf18("7","10","6","8","5","4","1") = "9"
    & skf18("7","10","6","8","5","5","1") = "9"
    & skf18("7","10","6","8","5","6","1") = "9"
    & skf18("7","10","6","8","5","7","1") = "9"
    & skf18("7","10","6","8","5","8","1") = "9"
    & skf18("7","10","6","8","5","9","1") = "9"
    & skf18("7","10","6","8","5","10","1") = "9"
    & skf18("7","10","6","8","6","1","1") = "9"
    & skf18("7","10","6","8","6","2","1") = "9"
    & skf18("7","10","6","8","6","3","1") = "9"
    & skf18("7","10","6","8","6","4","1") = "9"
    & skf18("7","10","6","8","6","5","1") = "9"
    & skf18("7","10","6","8","6","6","1") = "9"
    & skf18("7","10","6","8","6","7","1") = "9"
    & skf18("7","10","6","8","6","8","1") = "9"
    & skf18("7","10","6","8","6","9","1") = "9"
    & skf18("7","10","6","8","6","10","1") = "9"
    & skf18("7","10","6","8","7","1","1") = "9"
    & skf18("7","10","6","8","7","2","1") = "9"
    & skf18("7","10","6","8","7","3","1") = "9"
    & skf18("7","10","6","8","7","4","1") = "9"
    & skf18("7","10","6","8","7","5","1") = "9"
    & skf18("7","10","6","8","7","6","1") = "9"
    & skf18("7","10","6","8","7","7","1") = "9"
    & skf18("7","10","6","8","7","8","1") = "9"
    & skf18("7","10","6","8","7","9","1") = "9"
    & skf18("7","10","6","8","7","10","1") = "9"
    & skf18("7","10","6","8","8","1","1") = "9"
    & skf18("7","10","6","8","8","2","1") = "9"
    & skf18("7","10","6","8","8","3","1") = "9"
    & skf18("7","10","6","8","8","4","1") = "9"
    & skf18("7","10","6","8","8","5","1") = "9"
    & skf18("7","10","6","8","8","6","1") = "9"
    & skf18("7","10","6","8","8","7","1") = "9"
    & skf18("7","10","6","8","8","8","1") = "9"
    & skf18("7","10","6","8","8","9","1") = "9"
    & skf18("7","10","6","8","8","10","1") = "9"
    & skf18("7","10","6","8","9","1","1") = "9"
    & skf18("7","10","6","8","9","2","1") = "9"
    & skf18("7","10","6","8","9","3","1") = "9"
    & skf18("7","10","6","8","9","4","1") = "9"
    & skf18("7","10","6","8","9","5","1") = "9"
    & skf18("7","10","6","8","9","6","1") = "9"
    & skf18("7","10","6","8","9","7","1") = "9"
    & skf18("7","10","6","8","9","8","1") = "9"
    & skf18("7","10","6","8","9","9","1") = "9"
    & skf18("7","10","6","8","9","10","1") = "9"
    & skf18("7","10","6","8","10","1","1") = "9"
    & skf18("7","10","6","8","10","2","1") = "9"
    & skf18("7","10","6","8","10","3","1") = "9"
    & skf18("7","10","6","8","10","4","1") = "9"
    & skf18("7","10","6","8","10","5","1") = "9"
    & skf18("7","10","6","8","10","6","1") = "9"
    & skf18("7","10","6","8","10","7","1") = "9"
    & skf18("7","10","6","8","10","8","1") = "9"
    & skf18("7","10","6","8","10","9","1") = "9"
    & skf18("7","10","6","8","10","10","1") = "9"
    & skf18("7","10","6","9","1","1","1") = "9"
    & skf18("7","10","6","9","1","2","1") = "9"
    & skf18("7","10","6","9","1","3","1") = "9"
    & skf18("7","10","6","9","1","4","1") = "9"
    & skf18("7","10","6","9","1","5","1") = "9"
    & skf18("7","10","6","9","1","6","1") = "9"
    & skf18("7","10","6","9","1","7","1") = "9"
    & skf18("7","10","6","9","1","8","1") = "9"
    & skf18("7","10","6","9","1","9","1") = "9"
    & skf18("7","10","6","9","1","10","1") = "9"
    & skf18("7","10","6","9","2","1","1") = "9"
    & skf18("7","10","6","9","2","2","1") = "9"
    & skf18("7","10","6","9","2","3","1") = "9"
    & skf18("7","10","6","9","2","4","1") = "9"
    & skf18("7","10","6","9","2","5","1") = "9"
    & skf18("7","10","6","9","2","6","1") = "9"
    & skf18("7","10","6","9","2","7","1") = "9"
    & skf18("7","10","6","9","2","8","1") = "9"
    & skf18("7","10","6","9","2","9","1") = "9"
    & skf18("7","10","6","9","2","10","1") = "9"
    & skf18("7","10","6","9","3","1","1") = "9"
    & skf18("7","10","6","9","3","2","1") = "9"
    & skf18("7","10","6","9","3","3","1") = "9"
    & skf18("7","10","6","9","3","4","1") = "9"
    & skf18("7","10","6","9","3","5","1") = "9"
    & skf18("7","10","6","9","3","6","1") = "9"
    & skf18("7","10","6","9","3","7","1") = "9"
    & skf18("7","10","6","9","3","8","1") = "9"
    & skf18("7","10","6","9","3","9","1") = "9"
    & skf18("7","10","6","9","3","10","1") = "9"
    & skf18("7","10","6","9","4","1","1") = "9"
    & skf18("7","10","6","9","4","2","1") = "9"
    & skf18("7","10","6","9","4","3","1") = "9"
    & skf18("7","10","6","9","4","4","1") = "9"
    & skf18("7","10","6","9","4","5","1") = "9"
    & skf18("7","10","6","9","4","6","1") = "9"
    & skf18("7","10","6","9","4","7","1") = "9"
    & skf18("7","10","6","9","4","8","1") = "9"
    & skf18("7","10","6","9","4","9","1") = "9"
    & skf18("7","10","6","9","4","10","1") = "9"
    & skf18("7","10","6","9","5","1","1") = "9"
    & skf18("7","10","6","9","5","2","1") = "9"
    & skf18("7","10","6","9","5","3","1") = "9"
    & skf18("7","10","6","9","5","4","1") = "9"
    & skf18("7","10","6","9","5","5","1") = "9"
    & skf18("7","10","6","9","5","6","1") = "9"
    & skf18("7","10","6","9","5","7","1") = "9"
    & skf18("7","10","6","9","5","8","1") = "9"
    & skf18("7","10","6","9","5","9","1") = "9"
    & skf18("7","10","6","9","5","10","1") = "9"
    & skf18("7","10","6","9","6","1","1") = "9"
    & skf18("7","10","6","9","6","2","1") = "9"
    & skf18("7","10","6","9","6","3","1") = "9"
    & skf18("7","10","6","9","6","4","1") = "9"
    & skf18("7","10","6","9","6","5","1") = "9"
    & skf18("7","10","6","9","6","6","1") = "9"
    & skf18("7","10","6","9","6","7","1") = "9"
    & skf18("7","10","6","9","6","8","1") = "9"
    & skf18("7","10","6","9","6","9","1") = "9"
    & skf18("7","10","6","9","6","10","1") = "9"
    & skf18("7","10","6","9","7","1","1") = "9"
    & skf18("7","10","6","9","7","2","1") = "9"
    & skf18("7","10","6","9","7","3","1") = "9"
    & skf18("7","10","6","9","7","4","1") = "9"
    & skf18("7","10","6","9","7","5","1") = "9"
    & skf18("7","10","6","9","7","6","1") = "9"
    & skf18("7","10","6","9","7","7","1") = "9"
    & skf18("7","10","6","9","7","8","1") = "9"
    & skf18("7","10","6","9","7","9","1") = "9"
    & skf18("7","10","6","9","7","10","1") = "9"
    & skf18("7","10","6","9","8","1","1") = "9"
    & skf18("7","10","6","9","8","2","1") = "9"
    & skf18("7","10","6","9","8","3","1") = "9"
    & skf18("7","10","6","9","8","4","1") = "9"
    & skf18("7","10","6","9","8","5","1") = "9"
    & skf18("7","10","6","9","8","6","1") = "9"
    & skf18("7","10","6","9","8","7","1") = "9"
    & skf18("7","10","6","9","8","8","1") = "9"
    & skf18("7","10","6","9","8","9","1") = "9"
    & skf18("7","10","6","9","8","10","1") = "9"
    & skf18("7","10","6","9","9","1","1") = "9"
    & skf18("7","10","6","9","9","2","1") = "9"
    & skf18("7","10","6","9","9","3","1") = "9"
    & skf18("7","10","6","9","9","4","1") = "9"
    & skf18("7","10","6","9","9","5","1") = "9"
    & skf18("7","10","6","9","9","6","1") = "9"
    & skf18("7","10","6","9","9","7","1") = "9"
    & skf18("7","10","6","9","9","8","1") = "9"
    & skf18("7","10","6","9","9","9","1") = "9"
    & skf18("7","10","6","9","9","10","1") = "9"
    & skf18("7","10","6","9","10","1","1") = "9"
    & skf18("7","10","6","9","10","2","1") = "9"
    & skf18("7","10","6","9","10","3","1") = "9"
    & skf18("7","10","6","9","10","4","1") = "9"
    & skf18("7","10","6","9","10","5","1") = "9"
    & skf18("7","10","6","9","10","6","1") = "9"
    & skf18("7","10","6","9","10","7","1") = "9"
    & skf18("7","10","6","9","10","8","1") = "9"
    & skf18("7","10","6","9","10","9","1") = "9"
    & skf18("7","10","6","9","10","10","1") = "9"
    & skf18("7","10","6","10","1","1","1") = "9"
    & skf18("7","10","6","10","1","2","1") = "9"
    & skf18("7","10","6","10","1","3","1") = "9"
    & skf18("7","10","6","10","1","4","1") = "9"
    & skf18("7","10","6","10","1","5","1") = "9"
    & skf18("7","10","6","10","1","6","1") = "9"
    & skf18("7","10","6","10","1","7","1") = "9"
    & skf18("7","10","6","10","1","8","1") = "9"
    & skf18("7","10","6","10","1","9","1") = "9"
    & skf18("7","10","6","10","1","10","1") = "9"
    & skf18("7","10","6","10","2","1","1") = "9"
    & skf18("7","10","6","10","2","2","1") = "9"
    & skf18("7","10","6","10","2","3","1") = "9"
    & skf18("7","10","6","10","2","4","1") = "9"
    & skf18("7","10","6","10","2","5","1") = "9"
    & skf18("7","10","6","10","2","6","1") = "9"
    & skf18("7","10","6","10","2","7","1") = "9"
    & skf18("7","10","6","10","2","8","1") = "9"
    & skf18("7","10","6","10","2","9","1") = "9"
    & skf18("7","10","6","10","2","10","1") = "9"
    & skf18("7","10","6","10","3","1","1") = "9"
    & skf18("7","10","6","10","3","2","1") = "9"
    & skf18("7","10","6","10","3","3","1") = "9"
    & skf18("7","10","6","10","3","4","1") = "9"
    & skf18("7","10","6","10","3","5","1") = "9"
    & skf18("7","10","6","10","3","6","1") = "9"
    & skf18("7","10","6","10","3","7","1") = "9"
    & skf18("7","10","6","10","3","8","1") = "9"
    & skf18("7","10","6","10","3","9","1") = "9"
    & skf18("7","10","6","10","3","10","1") = "9"
    & skf18("7","10","6","10","4","1","1") = "9"
    & skf18("7","10","6","10","4","2","1") = "9"
    & skf18("7","10","6","10","4","3","1") = "9"
    & skf18("7","10","6","10","4","4","1") = "9"
    & skf18("7","10","6","10","4","5","1") = "9"
    & skf18("7","10","6","10","4","6","1") = "9"
    & skf18("7","10","6","10","4","7","1") = "9"
    & skf18("7","10","6","10","4","8","1") = "9"
    & skf18("7","10","6","10","4","9","1") = "9"
    & skf18("7","10","6","10","4","10","1") = "9"
    & skf18("7","10","6","10","5","1","1") = "9"
    & skf18("7","10","6","10","5","2","1") = "9"
    & skf18("7","10","6","10","5","3","1") = "9"
    & skf18("7","10","6","10","5","4","1") = "9"
    & skf18("7","10","6","10","5","5","1") = "9"
    & skf18("7","10","6","10","5","6","1") = "9"
    & skf18("7","10","6","10","5","7","1") = "9"
    & skf18("7","10","6","10","5","8","1") = "9"
    & skf18("7","10","6","10","5","9","1") = "9"
    & skf18("7","10","6","10","5","10","1") = "9"
    & skf18("7","10","6","10","6","1","1") = "9"
    & skf18("7","10","6","10","6","2","1") = "9"
    & skf18("7","10","6","10","6","3","1") = "9"
    & skf18("7","10","6","10","6","4","1") = "9"
    & skf18("7","10","6","10","6","5","1") = "9"
    & skf18("7","10","6","10","6","6","1") = "9"
    & skf18("7","10","6","10","6","7","1") = "9"
    & skf18("7","10","6","10","6","8","1") = "9"
    & skf18("7","10","6","10","6","9","1") = "9"
    & skf18("7","10","6","10","6","10","1") = "9"
    & skf18("7","10","6","10","7","1","1") = "9"
    & skf18("7","10","6","10","7","2","1") = "9"
    & skf18("7","10","6","10","7","3","1") = "9"
    & skf18("7","10","6","10","7","4","1") = "9"
    & skf18("7","10","6","10","7","5","1") = "9"
    & skf18("7","10","6","10","7","6","1") = "9"
    & skf18("7","10","6","10","7","7","1") = "9"
    & skf18("7","10","6","10","7","8","1") = "9"
    & skf18("7","10","6","10","7","9","1") = "9"
    & skf18("7","10","6","10","7","10","1") = "9"
    & skf18("7","10","6","10","8","1","1") = "9"
    & skf18("7","10","6","10","8","2","1") = "9"
    & skf18("7","10","6","10","8","3","1") = "9"
    & skf18("7","10","6","10","8","4","1") = "9"
    & skf18("7","10","6","10","8","5","1") = "9"
    & skf18("7","10","6","10","8","6","1") = "9"
    & skf18("7","10","6","10","8","7","1") = "9"
    & skf18("7","10","6","10","8","8","1") = "9"
    & skf18("7","10","6","10","8","9","1") = "9"
    & skf18("7","10","6","10","8","10","1") = "9"
    & skf18("7","10","6","10","9","1","1") = "9"
    & skf18("7","10","6","10","9","2","1") = "9"
    & skf18("7","10","6","10","9","3","1") = "9"
    & skf18("7","10","6","10","9","4","1") = "9"
    & skf18("7","10","6","10","9","5","1") = "9"
    & skf18("7","10","6","10","9","6","1") = "9"
    & skf18("7","10","6","10","9","7","1") = "9"
    & skf18("7","10","6","10","9","8","1") = "9"
    & skf18("7","10","6","10","9","9","1") = "9"
    & skf18("7","10","6","10","9","10","1") = "9"
    & skf18("7","10","6","10","10","1","1") = "9"
    & skf18("7","10","6","10","10","2","1") = "9"
    & skf18("7","10","6","10","10","3","1") = "9"
    & skf18("7","10","6","10","10","4","1") = "9"
    & skf18("7","10","6","10","10","5","1") = "9"
    & skf18("7","10","6","10","10","6","1") = "9"
    & skf18("7","10","6","10","10","7","1") = "9"
    & skf18("7","10","6","10","10","8","1") = "9"
    & skf18("7","10","6","10","10","9","1") = "9"
    & skf18("7","10","6","10","10","10","1") = "9"
    & skf18("7","10","7","1","1","1","1") = "9"
    & skf18("7","10","7","1","1","2","1") = "9"
    & skf18("7","10","7","1","1","3","1") = "9"
    & skf18("7","10","7","1","1","4","1") = "9"
    & skf18("7","10","7","1","1","5","1") = "9"
    & skf18("7","10","7","1","1","6","1") = "9"
    & skf18("7","10","7","1","1","7","1") = "9"
    & skf18("7","10","7","1","1","8","1") = "9"
    & skf18("7","10","7","1","1","9","1") = "9"
    & skf18("7","10","7","1","1","10","1") = "9"
    & skf18("7","10","7","1","2","1","1") = "9"
    & skf18("7","10","7","1","2","2","1") = "9"
    & skf18("7","10","7","1","2","3","1") = "9"
    & skf18("7","10","7","1","2","4","1") = "9"
    & skf18("7","10","7","1","2","5","1") = "9"
    & skf18("7","10","7","1","2","6","1") = "9"
    & skf18("7","10","7","1","2","7","1") = "9"
    & skf18("7","10","7","1","2","8","1") = "9"
    & skf18("7","10","7","1","2","9","1") = "9"
    & skf18("7","10","7","1","2","10","1") = "9"
    & skf18("7","10","7","1","3","1","1") = "9"
    & skf18("7","10","7","1","3","2","1") = "9"
    & skf18("7","10","7","1","3","3","1") = "9"
    & skf18("7","10","7","1","3","4","1") = "9"
    & skf18("7","10","7","1","3","5","1") = "9"
    & skf18("7","10","7","1","3","6","1") = "9"
    & skf18("7","10","7","1","3","7","1") = "9"
    & skf18("7","10","7","1","3","8","1") = "9"
    & skf18("7","10","7","1","3","9","1") = "9"
    & skf18("7","10","7","1","3","10","1") = "9"
    & skf18("7","10","7","1","4","1","1") = "9"
    & skf18("7","10","7","1","4","2","1") = "9"
    & skf18("7","10","7","1","4","3","1") = "9"
    & skf18("7","10","7","1","4","4","1") = "9"
    & skf18("7","10","7","1","4","5","1") = "9"
    & skf18("7","10","7","1","4","6","1") = "9"
    & skf18("7","10","7","1","4","7","1") = "9"
    & skf18("7","10","7","1","4","8","1") = "9"
    & skf18("7","10","7","1","4","9","1") = "9"
    & skf18("7","10","7","1","4","10","1") = "9"
    & skf18("7","10","7","1","5","1","1") = "9"
    & skf18("7","10","7","1","5","2","1") = "9"
    & skf18("7","10","7","1","5","3","1") = "9"
    & skf18("7","10","7","1","5","4","1") = "9"
    & skf18("7","10","7","1","5","5","1") = "9"
    & skf18("7","10","7","1","5","6","1") = "9"
    & skf18("7","10","7","1","5","7","1") = "9"
    & skf18("7","10","7","1","5","8","1") = "9"
    & skf18("7","10","7","1","5","9","1") = "9"
    & skf18("7","10","7","1","5","10","1") = "9"
    & skf18("7","10","7","1","6","1","1") = "9"
    & skf18("7","10","7","1","6","2","1") = "9"
    & skf18("7","10","7","1","6","3","1") = "9"
    & skf18("7","10","7","1","6","4","1") = "9"
    & skf18("7","10","7","1","6","5","1") = "9"
    & skf18("7","10","7","1","6","6","1") = "9"
    & skf18("7","10","7","1","6","7","1") = "9"
    & skf18("7","10","7","1","6","8","1") = "9"
    & skf18("7","10","7","1","6","9","1") = "9"
    & skf18("7","10","7","1","6","10","1") = "9"
    & skf18("7","10","7","1","7","1","1") = "9"
    & skf18("7","10","7","1","7","2","1") = "9"
    & skf18("7","10","7","1","7","3","1") = "9"
    & skf18("7","10","7","1","7","4","1") = "9"
    & skf18("7","10","7","1","7","5","1") = "9"
    & skf18("7","10","7","1","7","6","1") = "9"
    & skf18("7","10","7","1","7","7","1") = "9"
    & skf18("7","10","7","1","7","8","1") = "9"
    & skf18("7","10","7","1","7","9","1") = "9"
    & skf18("7","10","7","1","7","10","1") = "9"
    & skf18("7","10","7","1","8","1","1") = "9"
    & skf18("7","10","7","1","8","2","1") = "9"
    & skf18("7","10","7","1","8","3","1") = "9"
    & skf18("7","10","7","1","8","4","1") = "9"
    & skf18("7","10","7","1","8","5","1") = "9"
    & skf18("7","10","7","1","8","6","1") = "9"
    & skf18("7","10","7","1","8","7","1") = "9"
    & skf18("7","10","7","1","8","8","1") = "9"
    & skf18("7","10","7","1","8","9","1") = "9"
    & skf18("7","10","7","1","8","10","1") = "9"
    & skf18("7","10","7","1","9","1","1") = "9"
    & skf18("7","10","7","1","9","2","1") = "9"
    & skf18("7","10","7","1","9","3","1") = "9"
    & skf18("7","10","7","1","9","4","1") = "9"
    & skf18("7","10","7","1","9","5","1") = "9"
    & skf18("7","10","7","1","9","6","1") = "9"
    & skf18("7","10","7","1","9","7","1") = "9"
    & skf18("7","10","7","1","9","8","1") = "9"
    & skf18("7","10","7","1","9","9","1") = "9"
    & skf18("7","10","7","1","9","10","1") = "9"
    & skf18("7","10","7","1","10","1","1") = "9"
    & skf18("7","10","7","1","10","2","1") = "9"
    & skf18("7","10","7","1","10","3","1") = "9"
    & skf18("7","10","7","1","10","4","1") = "9"
    & skf18("7","10","7","1","10","5","1") = "9"
    & skf18("7","10","7","1","10","6","1") = "9"
    & skf18("7","10","7","1","10","7","1") = "9"
    & skf18("7","10","7","1","10","8","1") = "9"
    & skf18("7","10","7","1","10","9","1") = "9"
    & skf18("7","10","7","1","10","10","1") = "9"
    & skf18("7","10","7","2","1","1","1") = "9"
    & skf18("7","10","7","2","1","2","1") = "9"
    & skf18("7","10","7","2","1","3","1") = "9"
    & skf18("7","10","7","2","1","4","1") = "9"
    & skf18("7","10","7","2","1","5","1") = "9"
    & skf18("7","10","7","2","1","6","1") = "9"
    & skf18("7","10","7","2","1","7","1") = "9"
    & skf18("7","10","7","2","1","8","1") = "9"
    & skf18("7","10","7","2","1","9","1") = "9"
    & skf18("7","10","7","2","1","10","1") = "9"
    & skf18("7","10","7","2","2","1","1") = "9"
    & skf18("7","10","7","2","2","2","1") = "9"
    & skf18("7","10","7","2","2","3","1") = "9"
    & skf18("7","10","7","2","2","4","1") = "9"
    & skf18("7","10","7","2","2","5","1") = "9"
    & skf18("7","10","7","2","2","6","1") = "9"
    & skf18("7","10","7","2","2","7","1") = "9"
    & skf18("7","10","7","2","2","8","1") = "9"
    & skf18("7","10","7","2","2","9","1") = "9"
    & skf18("7","10","7","2","2","10","1") = "9"
    & skf18("7","10","7","2","3","1","1") = "9"
    & skf18("7","10","7","2","3","2","1") = "9"
    & skf18("7","10","7","2","3","3","1") = "9"
    & skf18("7","10","7","2","3","4","1") = "9"
    & skf18("7","10","7","2","3","5","1") = "9"
    & skf18("7","10","7","2","3","6","1") = "9"
    & skf18("7","10","7","2","3","7","1") = "9"
    & skf18("7","10","7","2","3","8","1") = "9"
    & skf18("7","10","7","2","3","9","1") = "9"
    & skf18("7","10","7","2","3","10","1") = "9"
    & skf18("7","10","7","2","4","1","1") = "9"
    & skf18("7","10","7","2","4","2","1") = "9"
    & skf18("7","10","7","2","4","3","1") = "9"
    & skf18("7","10","7","2","4","4","1") = "9"
    & skf18("7","10","7","2","4","5","1") = "9"
    & skf18("7","10","7","2","4","6","1") = "9"
    & skf18("7","10","7","2","4","7","1") = "9"
    & skf18("7","10","7","2","4","8","1") = "9"
    & skf18("7","10","7","2","4","9","1") = "9"
    & skf18("7","10","7","2","4","10","1") = "9"
    & skf18("7","10","7","2","5","1","1") = "9"
    & skf18("7","10","7","2","5","2","1") = "9"
    & skf18("7","10","7","2","5","3","1") = "9"
    & skf18("7","10","7","2","5","4","1") = "9"
    & skf18("7","10","7","2","5","5","1") = "9"
    & skf18("7","10","7","2","5","6","1") = "9"
    & skf18("7","10","7","2","5","7","1") = "9"
    & skf18("7","10","7","2","5","8","1") = "9"
    & skf18("7","10","7","2","5","9","1") = "9"
    & skf18("7","10","7","2","5","10","1") = "9"
    & skf18("7","10","7","2","6","1","1") = "9"
    & skf18("7","10","7","2","6","2","1") = "9"
    & skf18("7","10","7","2","6","3","1") = "9"
    & skf18("7","10","7","2","6","4","1") = "9"
    & skf18("7","10","7","2","6","5","1") = "9"
    & skf18("7","10","7","2","6","6","1") = "9"
    & skf18("7","10","7","2","6","7","1") = "9"
    & skf18("7","10","7","2","6","8","1") = "9"
    & skf18("7","10","7","2","6","9","1") = "9"
    & skf18("7","10","7","2","6","10","1") = "9"
    & skf18("7","10","7","2","7","1","1") = "9"
    & skf18("7","10","7","2","7","2","1") = "9"
    & skf18("7","10","7","2","7","3","1") = "9"
    & skf18("7","10","7","2","7","4","1") = "9"
    & skf18("7","10","7","2","7","5","1") = "9"
    & skf18("7","10","7","2","7","6","1") = "9"
    & skf18("7","10","7","2","7","7","1") = "9"
    & skf18("7","10","7","2","7","8","1") = "9"
    & skf18("7","10","7","2","7","9","1") = "9"
    & skf18("7","10","7","2","7","10","1") = "9"
    & skf18("7","10","7","2","8","1","1") = "9"
    & skf18("7","10","7","2","8","2","1") = "9"
    & skf18("7","10","7","2","8","3","1") = "9"
    & skf18("7","10","7","2","8","4","1") = "9"
    & skf18("7","10","7","2","8","5","1") = "9"
    & skf18("7","10","7","2","8","6","1") = "9"
    & skf18("7","10","7","2","8","7","1") = "9"
    & skf18("7","10","7","2","8","8","1") = "9"
    & skf18("7","10","7","2","8","9","1") = "9"
    & skf18("7","10","7","2","8","10","1") = "9"
    & skf18("7","10","7","2","9","1","1") = "9"
    & skf18("7","10","7","2","9","2","1") = "9"
    & skf18("7","10","7","2","9","3","1") = "9"
    & skf18("7","10","7","2","9","4","1") = "9"
    & skf18("7","10","7","2","9","5","1") = "9"
    & skf18("7","10","7","2","9","6","1") = "9"
    & skf18("7","10","7","2","9","7","1") = "9"
    & skf18("7","10","7","2","9","8","1") = "9"
    & skf18("7","10","7","2","9","9","1") = "9"
    & skf18("7","10","7","2","9","10","1") = "9"
    & skf18("7","10","7","2","10","1","1") = "9"
    & skf18("7","10","7","2","10","2","1") = "9"
    & skf18("7","10","7","2","10","3","1") = "9"
    & skf18("7","10","7","2","10","4","1") = "9"
    & skf18("7","10","7","2","10","5","1") = "9"
    & skf18("7","10","7","2","10","6","1") = "9"
    & skf18("7","10","7","2","10","7","1") = "9"
    & skf18("7","10","7","2","10","8","1") = "9"
    & skf18("7","10","7","2","10","9","1") = "9"
    & skf18("7","10","7","2","10","10","1") = "9"
    & skf18("7","10","7","3","1","1","1") = "9"
    & skf18("7","10","7","3","1","2","1") = "9"
    & skf18("7","10","7","3","1","3","1") = "9"
    & skf18("7","10","7","3","1","4","1") = "9"
    & skf18("7","10","7","3","1","5","1") = "9"
    & skf18("7","10","7","3","1","6","1") = "9"
    & skf18("7","10","7","3","1","7","1") = "9"
    & skf18("7","10","7","3","1","8","1") = "9"
    & skf18("7","10","7","3","1","9","1") = "9"
    & skf18("7","10","7","3","1","10","1") = "9"
    & skf18("7","10","7","3","2","1","1") = "9"
    & skf18("7","10","7","3","2","2","1") = "9"
    & skf18("7","10","7","3","2","3","1") = "9"
    & skf18("7","10","7","3","2","4","1") = "9"
    & skf18("7","10","7","3","2","5","1") = "9"
    & skf18("7","10","7","3","2","6","1") = "9"
    & skf18("7","10","7","3","2","7","1") = "9"
    & skf18("7","10","7","3","2","8","1") = "9"
    & skf18("7","10","7","3","2","9","1") = "9"
    & skf18("7","10","7","3","2","10","1") = "9"
    & skf18("7","10","7","3","3","1","1") = "9"
    & skf18("7","10","7","3","3","2","1") = "9"
    & skf18("7","10","7","3","3","3","1") = "9"
    & skf18("7","10","7","3","3","4","1") = "9"
    & skf18("7","10","7","3","3","5","1") = "9"
    & skf18("7","10","7","3","3","6","1") = "9"
    & skf18("7","10","7","3","3","7","1") = "9"
    & skf18("7","10","7","3","3","8","1") = "9"
    & skf18("7","10","7","3","3","9","1") = "9"
    & skf18("7","10","7","3","3","10","1") = "9"
    & skf18("7","10","7","3","4","1","1") = "9"
    & skf18("7","10","7","3","4","2","1") = "9"
    & skf18("7","10","7","3","4","3","1") = "9"
    & skf18("7","10","7","3","4","4","1") = "9"
    & skf18("7","10","7","3","4","5","1") = "9"
    & skf18("7","10","7","3","4","6","1") = "9"
    & skf18("7","10","7","3","4","7","1") = "9"
    & skf18("7","10","7","3","4","8","1") = "9"
    & skf18("7","10","7","3","4","9","1") = "9"
    & skf18("7","10","7","3","4","10","1") = "9"
    & skf18("7","10","7","3","5","1","1") = "9"
    & skf18("7","10","7","3","5","2","1") = "9"
    & skf18("7","10","7","3","5","3","1") = "9"
    & skf18("7","10","7","3","5","4","1") = "9"
    & skf18("7","10","7","3","5","5","1") = "9"
    & skf18("7","10","7","3","5","6","1") = "9"
    & skf18("7","10","7","3","5","7","1") = "9"
    & skf18("7","10","7","3","5","8","1") = "9"
    & skf18("7","10","7","3","5","9","1") = "9"
    & skf18("7","10","7","3","5","10","1") = "9"
    & skf18("7","10","7","3","6","1","1") = "9"
    & skf18("7","10","7","3","6","2","1") = "9"
    & skf18("7","10","7","3","6","3","1") = "9"
    & skf18("7","10","7","3","6","4","1") = "9"
    & skf18("7","10","7","3","6","5","1") = "9"
    & skf18("7","10","7","3","6","6","1") = "9"
    & skf18("7","10","7","3","6","7","1") = "9"
    & skf18("7","10","7","3","6","8","1") = "9"
    & skf18("7","10","7","3","6","9","1") = "9"
    & skf18("7","10","7","3","6","10","1") = "9"
    & skf18("7","10","7","3","7","1","1") = "9"
    & skf18("7","10","7","3","7","2","1") = "9"
    & skf18("7","10","7","3","7","3","1") = "9"
    & skf18("7","10","7","3","7","4","1") = "9"
    & skf18("7","10","7","3","7","5","1") = "9"
    & skf18("7","10","7","3","7","6","1") = "9"
    & skf18("7","10","7","3","7","7","1") = "9"
    & skf18("7","10","7","3","7","8","1") = "9"
    & skf18("7","10","7","3","7","9","1") = "9"
    & skf18("7","10","7","3","7","10","1") = "9"
    & skf18("7","10","7","3","8","1","1") = "9"
    & skf18("7","10","7","3","8","2","1") = "9"
    & skf18("7","10","7","3","8","3","1") = "9"
    & skf18("7","10","7","3","8","4","1") = "9"
    & skf18("7","10","7","3","8","5","1") = "9"
    & skf18("7","10","7","3","8","6","1") = "9"
    & skf18("7","10","7","3","8","7","1") = "9"
    & skf18("7","10","7","3","8","8","1") = "9"
    & skf18("7","10","7","3","8","9","1") = "9"
    & skf18("7","10","7","3","8","10","1") = "9"
    & skf18("7","10","7","3","9","1","1") = "9"
    & skf18("7","10","7","3","9","2","1") = "9"
    & skf18("7","10","7","3","9","3","1") = "9"
    & skf18("7","10","7","3","9","4","1") = "9"
    & skf18("7","10","7","3","9","5","1") = "9"
    & skf18("7","10","7","3","9","6","1") = "9"
    & skf18("7","10","7","3","9","7","1") = "9"
    & skf18("7","10","7","3","9","8","1") = "9"
    & skf18("7","10","7","3","9","9","1") = "9"
    & skf18("7","10","7","3","9","10","1") = "9"
    & skf18("7","10","7","3","10","1","1") = "9"
    & skf18("7","10","7","3","10","2","1") = "9"
    & skf18("7","10","7","3","10","3","1") = "9"
    & skf18("7","10","7","3","10","4","1") = "9"
    & skf18("7","10","7","3","10","5","1") = "9"
    & skf18("7","10","7","3","10","6","1") = "9"
    & skf18("7","10","7","3","10","7","1") = "9"
    & skf18("7","10","7","3","10","8","1") = "9"
    & skf18("7","10","7","3","10","9","1") = "9"
    & skf18("7","10","7","3","10","10","1") = "9"
    & skf18("7","10","7","4","1","1","1") = "9"
    & skf18("7","10","7","4","1","2","1") = "9"
    & skf18("7","10","7","4","1","3","1") = "9"
    & skf18("7","10","7","4","1","4","1") = "9"
    & skf18("7","10","7","4","1","5","1") = "9"
    & skf18("7","10","7","4","1","6","1") = "9"
    & skf18("7","10","7","4","1","7","1") = "9"
    & skf18("7","10","7","4","1","8","1") = "9"
    & skf18("7","10","7","4","1","9","1") = "9"
    & skf18("7","10","7","4","1","10","1") = "9"
    & skf18("7","10","7","4","2","1","1") = "9"
    & skf18("7","10","7","4","2","2","1") = "9"
    & skf18("7","10","7","4","2","3","1") = "9"
    & skf18("7","10","7","4","2","4","1") = "9"
    & skf18("7","10","7","4","2","5","1") = "9"
    & skf18("7","10","7","4","2","6","1") = "9"
    & skf18("7","10","7","4","2","7","1") = "9"
    & skf18("7","10","7","4","2","8","1") = "9"
    & skf18("7","10","7","4","2","9","1") = "9"
    & skf18("7","10","7","4","2","10","1") = "9"
    & skf18("7","10","7","4","3","1","1") = "9"
    & skf18("7","10","7","4","3","2","1") = "9"
    & skf18("7","10","7","4","3","3","1") = "9"
    & skf18("7","10","7","4","3","4","1") = "9"
    & skf18("7","10","7","4","3","5","1") = "9"
    & skf18("7","10","7","4","3","6","1") = "9"
    & skf18("7","10","7","4","3","7","1") = "9"
    & skf18("7","10","7","4","3","8","1") = "9"
    & skf18("7","10","7","4","3","9","1") = "9"
    & skf18("7","10","7","4","3","10","1") = "9"
    & skf18("7","10","7","4","4","1","1") = "9"
    & skf18("7","10","7","4","4","2","1") = "9"
    & skf18("7","10","7","4","4","3","1") = "9"
    & skf18("7","10","7","4","4","4","1") = "9"
    & skf18("7","10","7","4","4","5","1") = "9"
    & skf18("7","10","7","4","4","6","1") = "9"
    & skf18("7","10","7","4","4","7","1") = "9"
    & skf18("7","10","7","4","4","8","1") = "9"
    & skf18("7","10","7","4","4","9","1") = "9"
    & skf18("7","10","7","4","4","10","1") = "9"
    & skf18("7","10","7","4","5","1","1") = "9"
    & skf18("7","10","7","4","5","2","1") = "9"
    & skf18("7","10","7","4","5","3","1") = "9"
    & skf18("7","10","7","4","5","4","1") = "9"
    & skf18("7","10","7","4","5","5","1") = "9"
    & skf18("7","10","7","4","5","6","1") = "9"
    & skf18("7","10","7","4","5","7","1") = "9"
    & skf18("7","10","7","4","5","8","1") = "9"
    & skf18("7","10","7","4","5","9","1") = "9"
    & skf18("7","10","7","4","5","10","1") = "9"
    & skf18("7","10","7","4","6","1","1") = "9"
    & skf18("7","10","7","4","6","2","1") = "9"
    & skf18("7","10","7","4","6","3","1") = "9"
    & skf18("7","10","7","4","6","4","1") = "9"
    & skf18("7","10","7","4","6","5","1") = "9"
    & skf18("7","10","7","4","6","6","1") = "9"
    & skf18("7","10","7","4","6","7","1") = "9"
    & skf18("7","10","7","4","6","8","1") = "9"
    & skf18("7","10","7","4","6","9","1") = "9"
    & skf18("7","10","7","4","6","10","1") = "9"
    & skf18("7","10","7","4","7","1","1") = "9"
    & skf18("7","10","7","4","7","2","1") = "9"
    & skf18("7","10","7","4","7","3","1") = "9"
    & skf18("7","10","7","4","7","4","1") = "9"
    & skf18("7","10","7","4","7","5","1") = "9"
    & skf18("7","10","7","4","7","6","1") = "9"
    & skf18("7","10","7","4","7","7","1") = "9"
    & skf18("7","10","7","4","7","8","1") = "9"
    & skf18("7","10","7","4","7","9","1") = "9"
    & skf18("7","10","7","4","7","10","1") = "9"
    & skf18("7","10","7","4","8","1","1") = "9"
    & skf18("7","10","7","4","8","2","1") = "9"
    & skf18("7","10","7","4","8","3","1") = "9"
    & skf18("7","10","7","4","8","4","1") = "9"
    & skf18("7","10","7","4","8","5","1") = "9"
    & skf18("7","10","7","4","8","6","1") = "9"
    & skf18("7","10","7","4","8","7","1") = "9"
    & skf18("7","10","7","4","8","8","1") = "9"
    & skf18("7","10","7","4","8","9","1") = "9"
    & skf18("7","10","7","4","8","10","1") = "9"
    & skf18("7","10","7","4","9","1","1") = "9"
    & skf18("7","10","7","4","9","2","1") = "9"
    & skf18("7","10","7","4","9","3","1") = "9"
    & skf18("7","10","7","4","9","4","1") = "9"
    & skf18("7","10","7","4","9","5","1") = "9"
    & skf18("7","10","7","4","9","6","1") = "9"
    & skf18("7","10","7","4","9","7","1") = "9"
    & skf18("7","10","7","4","9","8","1") = "9"
    & skf18("7","10","7","4","9","9","1") = "9"
    & skf18("7","10","7","4","9","10","1") = "9"
    & skf18("7","10","7","4","10","1","1") = "9"
    & skf18("7","10","7","4","10","2","1") = "9"
    & skf18("7","10","7","4","10","3","1") = "9"
    & skf18("7","10","7","4","10","4","1") = "9"
    & skf18("7","10","7","4","10","5","1") = "9"
    & skf18("7","10","7","4","10","6","1") = "9"
    & skf18("7","10","7","4","10","7","1") = "9"
    & skf18("7","10","7","4","10","8","1") = "9"
    & skf18("7","10","7","4","10","9","1") = "9"
    & skf18("7","10","7","4","10","10","1") = "9"
    & skf18("7","10","7","5","1","1","1") = "9"
    & skf18("7","10","7","5","1","2","1") = "9"
    & skf18("7","10","7","5","1","3","1") = "9"
    & skf18("7","10","7","5","1","4","1") = "9"
    & skf18("7","10","7","5","1","5","1") = "9"
    & skf18("7","10","7","5","1","6","1") = "9"
    & skf18("7","10","7","5","1","7","1") = "9"
    & skf18("7","10","7","5","1","8","1") = "9"
    & skf18("7","10","7","5","1","9","1") = "9"
    & skf18("7","10","7","5","1","10","1") = "9"
    & skf18("7","10","7","5","2","1","1") = "9"
    & skf18("7","10","7","5","2","2","1") = "9"
    & skf18("7","10","7","5","2","3","1") = "9"
    & skf18("7","10","7","5","2","4","1") = "9"
    & skf18("7","10","7","5","2","5","1") = "9"
    & skf18("7","10","7","5","2","6","1") = "9"
    & skf18("7","10","7","5","2","7","1") = "9"
    & skf18("7","10","7","5","2","8","1") = "9"
    & skf18("7","10","7","5","2","9","1") = "9"
    & skf18("7","10","7","5","2","10","1") = "9"
    & skf18("7","10","7","5","3","1","1") = "9"
    & skf18("7","10","7","5","3","2","1") = "9"
    & skf18("7","10","7","5","3","3","1") = "9"
    & skf18("7","10","7","5","3","4","1") = "9"
    & skf18("7","10","7","5","3","5","1") = "9"
    & skf18("7","10","7","5","3","6","1") = "9"
    & skf18("7","10","7","5","3","7","1") = "9"
    & skf18("7","10","7","5","3","8","1") = "9"
    & skf18("7","10","7","5","3","9","1") = "9"
    & skf18("7","10","7","5","3","10","1") = "9"
    & skf18("7","10","7","5","4","1","1") = "9"
    & skf18("7","10","7","5","4","2","1") = "9"
    & skf18("7","10","7","5","4","3","1") = "9"
    & skf18("7","10","7","5","4","4","1") = "9"
    & skf18("7","10","7","5","4","5","1") = "9"
    & skf18("7","10","7","5","4","6","1") = "9"
    & skf18("7","10","7","5","4","7","1") = "9"
    & skf18("7","10","7","5","4","8","1") = "9"
    & skf18("7","10","7","5","4","9","1") = "9"
    & skf18("7","10","7","5","4","10","1") = "9"
    & skf18("7","10","7","5","5","1","1") = "9"
    & skf18("7","10","7","5","5","2","1") = "9"
    & skf18("7","10","7","5","5","3","1") = "9"
    & skf18("7","10","7","5","5","4","1") = "9"
    & skf18("7","10","7","5","5","5","1") = "9"
    & skf18("7","10","7","5","5","6","1") = "9"
    & skf18("7","10","7","5","5","7","1") = "9"
    & skf18("7","10","7","5","5","8","1") = "9"
    & skf18("7","10","7","5","5","9","1") = "9"
    & skf18("7","10","7","5","5","10","1") = "9"
    & skf18("7","10","7","5","6","1","1") = "9"
    & skf18("7","10","7","5","6","2","1") = "9"
    & skf18("7","10","7","5","6","3","1") = "9"
    & skf18("7","10","7","5","6","4","1") = "9"
    & skf18("7","10","7","5","6","5","1") = "9"
    & skf18("7","10","7","5","6","6","1") = "9"
    & skf18("7","10","7","5","6","7","1") = "9"
    & skf18("7","10","7","5","6","8","1") = "9"
    & skf18("7","10","7","5","6","9","1") = "9"
    & skf18("7","10","7","5","6","10","1") = "9"
    & skf18("7","10","7","5","7","1","1") = "9"
    & skf18("7","10","7","5","7","2","1") = "9"
    & skf18("7","10","7","5","7","3","1") = "9"
    & skf18("7","10","7","5","7","4","1") = "9"
    & skf18("7","10","7","5","7","5","1") = "9"
    & skf18("7","10","7","5","7","6","1") = "9"
    & skf18("7","10","7","5","7","7","1") = "9"
    & skf18("7","10","7","5","7","8","1") = "9"
    & skf18("7","10","7","5","7","9","1") = "9"
    & skf18("7","10","7","5","7","10","1") = "9"
    & skf18("7","10","7","5","8","1","1") = "9"
    & skf18("7","10","7","5","8","2","1") = "9"
    & skf18("7","10","7","5","8","3","1") = "9"
    & skf18("7","10","7","5","8","4","1") = "9"
    & skf18("7","10","7","5","8","5","1") = "9"
    & skf18("7","10","7","5","8","6","1") = "9"
    & skf18("7","10","7","5","8","7","1") = "9"
    & skf18("7","10","7","5","8","8","1") = "9"
    & skf18("7","10","7","5","8","9","1") = "9"
    & skf18("7","10","7","5","8","10","1") = "9"
    & skf18("7","10","7","5","9","1","1") = "9"
    & skf18("7","10","7","5","9","2","1") = "9"
    & skf18("7","10","7","5","9","3","1") = "9"
    & skf18("7","10","7","5","9","4","1") = "9"
    & skf18("7","10","7","5","9","5","1") = "9"
    & skf18("7","10","7","5","9","6","1") = "9"
    & skf18("7","10","7","5","9","7","1") = "9"
    & skf18("7","10","7","5","9","8","1") = "9"
    & skf18("7","10","7","5","9","9","1") = "9"
    & skf18("7","10","7","5","9","10","1") = "9"
    & skf18("7","10","7","5","10","1","1") = "9"
    & skf18("7","10","7","5","10","2","1") = "9"
    & skf18("7","10","7","5","10","3","1") = "9"
    & skf18("7","10","7","5","10","4","1") = "9"
    & skf18("7","10","7","5","10","5","1") = "9"
    & skf18("7","10","7","5","10","6","1") = "9"
    & skf18("7","10","7","5","10","7","1") = "9"
    & skf18("7","10","7","5","10","8","1") = "9"
    & skf18("7","10","7","5","10","9","1") = "9"
    & skf18("7","10","7","5","10","10","1") = "9"
    & skf18("7","10","7","6","1","1","1") = "9"
    & skf18("7","10","7","6","1","2","1") = "9"
    & skf18("7","10","7","6","1","3","1") = "9"
    & skf18("7","10","7","6","1","4","1") = "9"
    & skf18("7","10","7","6","1","5","1") = "9"
    & skf18("7","10","7","6","1","6","1") = "9"
    & skf18("7","10","7","6","1","7","1") = "9"
    & skf18("7","10","7","6","1","8","1") = "9"
    & skf18("7","10","7","6","1","9","1") = "9"
    & skf18("7","10","7","6","1","10","1") = "9"
    & skf18("7","10","7","6","2","1","1") = "9"
    & skf18("7","10","7","6","2","2","1") = "9"
    & skf18("7","10","7","6","2","3","1") = "9"
    & skf18("7","10","7","6","2","4","1") = "9"
    & skf18("7","10","7","6","2","5","1") = "9"
    & skf18("7","10","7","6","2","6","1") = "9"
    & skf18("7","10","7","6","2","7","1") = "9"
    & skf18("7","10","7","6","2","8","1") = "9"
    & skf18("7","10","7","6","2","9","1") = "9"
    & skf18("7","10","7","6","2","10","1") = "9"
    & skf18("7","10","7","6","3","1","1") = "9"
    & skf18("7","10","7","6","3","2","1") = "9"
    & skf18("7","10","7","6","3","3","1") = "9"
    & skf18("7","10","7","6","3","4","1") = "9"
    & skf18("7","10","7","6","3","5","1") = "9"
    & skf18("7","10","7","6","3","6","1") = "9"
    & skf18("7","10","7","6","3","7","1") = "9"
    & skf18("7","10","7","6","3","8","1") = "9"
    & skf18("7","10","7","6","3","9","1") = "9"
    & skf18("7","10","7","6","3","10","1") = "9"
    & skf18("7","10","7","6","4","1","1") = "9"
    & skf18("7","10","7","6","4","2","1") = "9"
    & skf18("7","10","7","6","4","3","1") = "9"
    & skf18("7","10","7","6","4","4","1") = "9"
    & skf18("7","10","7","6","4","5","1") = "9"
    & skf18("7","10","7","6","4","6","1") = "9"
    & skf18("7","10","7","6","4","7","1") = "9"
    & skf18("7","10","7","6","4","8","1") = "9"
    & skf18("7","10","7","6","4","9","1") = "9"
    & skf18("7","10","7","6","4","10","1") = "9"
    & skf18("7","10","7","6","5","1","1") = "9"
    & skf18("7","10","7","6","5","2","1") = "9"
    & skf18("7","10","7","6","5","3","1") = "9"
    & skf18("7","10","7","6","5","4","1") = "9"
    & skf18("7","10","7","6","5","5","1") = "9"
    & skf18("7","10","7","6","5","6","1") = "9"
    & skf18("7","10","7","6","5","7","1") = "9"
    & skf18("7","10","7","6","5","8","1") = "9"
    & skf18("7","10","7","6","5","9","1") = "9"
    & skf18("7","10","7","6","5","10","1") = "9"
    & skf18("7","10","7","6","6","1","1") = "9"
    & skf18("7","10","7","6","6","2","1") = "9"
    & skf18("7","10","7","6","6","3","1") = "9"
    & skf18("7","10","7","6","6","4","1") = "9"
    & skf18("7","10","7","6","6","5","1") = "9"
    & skf18("7","10","7","6","6","6","1") = "9"
    & skf18("7","10","7","6","6","7","1") = "9"
    & skf18("7","10","7","6","6","8","1") = "9"
    & skf18("7","10","7","6","6","9","1") = "9"
    & skf18("7","10","7","6","6","10","1") = "9"
    & skf18("7","10","7","6","7","1","1") = "9"
    & skf18("7","10","7","6","7","2","1") = "9"
    & skf18("7","10","7","6","7","3","1") = "9"
    & skf18("7","10","7","6","7","4","1") = "9"
    & skf18("7","10","7","6","7","5","1") = "9"
    & skf18("7","10","7","6","7","6","1") = "9"
    & skf18("7","10","7","6","7","7","1") = "9"
    & skf18("7","10","7","6","7","8","1") = "9"
    & skf18("7","10","7","6","7","9","1") = "9"
    & skf18("7","10","7","6","7","10","1") = "9"
    & skf18("7","10","7","6","8","1","1") = "9"
    & skf18("7","10","7","6","8","2","1") = "9"
    & skf18("7","10","7","6","8","3","1") = "9"
    & skf18("7","10","7","6","8","4","1") = "9"
    & skf18("7","10","7","6","8","5","1") = "9"
    & skf18("7","10","7","6","8","6","1") = "9"
    & skf18("7","10","7","6","8","7","1") = "9"
    & skf18("7","10","7","6","8","8","1") = "9"
    & skf18("7","10","7","6","8","9","1") = "9"
    & skf18("7","10","7","6","8","10","1") = "9"
    & skf18("7","10","7","6","9","1","1") = "9"
    & skf18("7","10","7","6","9","2","1") = "9"
    & skf18("7","10","7","6","9","3","1") = "9"
    & skf18("7","10","7","6","9","4","1") = "9"
    & skf18("7","10","7","6","9","5","1") = "9"
    & skf18("7","10","7","6","9","6","1") = "9"
    & skf18("7","10","7","6","9","7","1") = "9"
    & skf18("7","10","7","6","9","8","1") = "9"
    & skf18("7","10","7","6","9","9","1") = "9"
    & skf18("7","10","7","6","9","10","1") = "9"
    & skf18("7","10","7","6","10","1","1") = "9"
    & skf18("7","10","7","6","10","2","1") = "9"
    & skf18("7","10","7","6","10","3","1") = "9"
    & skf18("7","10","7","6","10","4","1") = "9"
    & skf18("7","10","7","6","10","5","1") = "9"
    & skf18("7","10","7","6","10","6","1") = "9"
    & skf18("7","10","7","6","10","7","1") = "9"
    & skf18("7","10","7","6","10","8","1") = "9"
    & skf18("7","10","7","6","10","9","1") = "9"
    & skf18("7","10","7","6","10","10","1") = "9"
    & skf18("7","10","7","7","1","1","1") = "9"
    & skf18("7","10","7","7","1","2","1") = "9"
    & skf18("7","10","7","7","1","3","1") = "9"
    & skf18("7","10","7","7","1","4","1") = "9"
    & skf18("7","10","7","7","1","5","1") = "9"
    & skf18("7","10","7","7","1","6","1") = "9"
    & skf18("7","10","7","7","1","7","1") = "9"
    & skf18("7","10","7","7","1","8","1") = "9"
    & skf18("7","10","7","7","1","9","1") = "9"
    & skf18("7","10","7","7","1","10","1") = "9"
    & skf18("7","10","7","7","2","1","1") = "9"
    & skf18("7","10","7","7","2","2","1") = "9"
    & skf18("7","10","7","7","2","3","1") = "9"
    & skf18("7","10","7","7","2","4","1") = "9"
    & skf18("7","10","7","7","2","5","1") = "9"
    & skf18("7","10","7","7","2","6","1") = "9"
    & skf18("7","10","7","7","2","7","1") = "9"
    & skf18("7","10","7","7","2","8","1") = "9"
    & skf18("7","10","7","7","2","9","1") = "9"
    & skf18("7","10","7","7","2","10","1") = "9"
    & skf18("7","10","7","7","3","1","1") = "9"
    & skf18("7","10","7","7","3","2","1") = "9"
    & skf18("7","10","7","7","3","3","1") = "9"
    & skf18("7","10","7","7","3","4","1") = "9"
    & skf18("7","10","7","7","3","5","1") = "9"
    & skf18("7","10","7","7","3","6","1") = "9"
    & skf18("7","10","7","7","3","7","1") = "9"
    & skf18("7","10","7","7","3","8","1") = "9"
    & skf18("7","10","7","7","3","9","1") = "9"
    & skf18("7","10","7","7","3","10","1") = "9"
    & skf18("7","10","7","7","4","1","1") = "9"
    & skf18("7","10","7","7","4","2","1") = "9"
    & skf18("7","10","7","7","4","3","1") = "9"
    & skf18("7","10","7","7","4","4","1") = "9"
    & skf18("7","10","7","7","4","5","1") = "9"
    & skf18("7","10","7","7","4","6","1") = "9"
    & skf18("7","10","7","7","4","7","1") = "9"
    & skf18("7","10","7","7","4","8","1") = "9"
    & skf18("7","10","7","7","4","9","1") = "9"
    & skf18("7","10","7","7","4","10","1") = "9"
    & skf18("7","10","7","7","5","1","1") = "9"
    & skf18("7","10","7","7","5","2","1") = "9"
    & skf18("7","10","7","7","5","3","1") = "9"
    & skf18("7","10","7","7","5","4","1") = "9"
    & skf18("7","10","7","7","5","5","1") = "9"
    & skf18("7","10","7","7","5","6","1") = "9"
    & skf18("7","10","7","7","5","7","1") = "9"
    & skf18("7","10","7","7","5","8","1") = "9"
    & skf18("7","10","7","7","5","9","1") = "9"
    & skf18("7","10","7","7","5","10","1") = "9"
    & skf18("7","10","7","7","6","1","1") = "9"
    & skf18("7","10","7","7","6","2","1") = "9"
    & skf18("7","10","7","7","6","3","1") = "9"
    & skf18("7","10","7","7","6","4","1") = "9"
    & skf18("7","10","7","7","6","5","1") = "9"
    & skf18("7","10","7","7","6","6","1") = "9"
    & skf18("7","10","7","7","6","7","1") = "9"
    & skf18("7","10","7","7","6","8","1") = "9"
    & skf18("7","10","7","7","6","9","1") = "9"
    & skf18("7","10","7","7","6","10","1") = "9"
    & skf18("7","10","7","7","7","1","1") = "9"
    & skf18("7","10","7","7","7","2","1") = "9"
    & skf18("7","10","7","7","7","3","1") = "9"
    & skf18("7","10","7","7","7","4","1") = "9"
    & skf18("7","10","7","7","7","5","1") = "9"
    & skf18("7","10","7","7","7","6","1") = "9"
    & skf18("7","10","7","7","7","7","1") = "9"
    & skf18("7","10","7","7","7","8","1") = "9"
    & skf18("7","10","7","7","7","9","1") = "9"
    & skf18("7","10","7","7","7","10","1") = "9"
    & skf18("7","10","7","7","8","1","1") = "9"
    & skf18("7","10","7","7","8","2","1") = "9"
    & skf18("7","10","7","7","8","3","1") = "9"
    & skf18("7","10","7","7","8","4","1") = "9"
    & skf18("7","10","7","7","8","5","1") = "9"
    & skf18("7","10","7","7","8","6","1") = "9"
    & skf18("7","10","7","7","8","7","1") = "9"
    & skf18("7","10","7","7","8","8","1") = "9"
    & skf18("7","10","7","7","8","9","1") = "9"
    & skf18("7","10","7","7","8","10","1") = "9"
    & skf18("7","10","7","7","9","1","1") = "9"
    & skf18("7","10","7","7","9","2","1") = "9"
    & skf18("7","10","7","7","9","3","1") = "9"
    & skf18("7","10","7","7","9","4","1") = "9"
    & skf18("7","10","7","7","9","5","1") = "9"
    & skf18("7","10","7","7","9","6","1") = "9"
    & skf18("7","10","7","7","9","7","1") = "9"
    & skf18("7","10","7","7","9","8","1") = "9"
    & skf18("7","10","7","7","9","9","1") = "9"
    & skf18("7","10","7","7","9","10","1") = "9"
    & skf18("7","10","7","7","10","1","1") = "9"
    & skf18("7","10","7","7","10","2","1") = "9"
    & skf18("7","10","7","7","10","3","1") = "9"
    & skf18("7","10","7","7","10","4","1") = "9"
    & skf18("7","10","7","7","10","5","1") = "9"
    & skf18("7","10","7","7","10","6","1") = "9"
    & skf18("7","10","7","7","10","7","1") = "9"
    & skf18("7","10","7","7","10","8","1") = "9"
    & skf18("7","10","7","7","10","9","1") = "9"
    & skf18("7","10","7","7","10","10","1") = "9"
    & skf18("7","10","7","8","1","1","1") = "9"
    & skf18("7","10","7","8","1","2","1") = "9"
    & skf18("7","10","7","8","1","3","1") = "9"
    & skf18("7","10","7","8","1","4","1") = "9"
    & skf18("7","10","7","8","1","5","1") = "9"
    & skf18("7","10","7","8","1","6","1") = "9"
    & skf18("7","10","7","8","1","7","1") = "9"
    & skf18("7","10","7","8","1","8","1") = "9"
    & skf18("7","10","7","8","1","9","1") = "9"
    & skf18("7","10","7","8","1","10","1") = "9"
    & skf18("7","10","7","8","2","1","1") = "9"
    & skf18("7","10","7","8","2","2","1") = "9"
    & skf18("7","10","7","8","2","3","1") = "9"
    & skf18("7","10","7","8","2","4","1") = "9"
    & skf18("7","10","7","8","2","5","1") = "9"
    & skf18("7","10","7","8","2","6","1") = "9"
    & skf18("7","10","7","8","2","7","1") = "9"
    & skf18("7","10","7","8","2","8","1") = "9"
    & skf18("7","10","7","8","2","9","1") = "9"
    & skf18("7","10","7","8","2","10","1") = "9"
    & skf18("7","10","7","8","3","1","1") = "9"
    & skf18("7","10","7","8","3","2","1") = "9"
    & skf18("7","10","7","8","3","3","1") = "9"
    & skf18("7","10","7","8","3","4","1") = "9"
    & skf18("7","10","7","8","3","5","1") = "9"
    & skf18("7","10","7","8","3","6","1") = "9"
    & skf18("7","10","7","8","3","7","1") = "9"
    & skf18("7","10","7","8","3","8","1") = "9"
    & skf18("7","10","7","8","3","9","1") = "9"
    & skf18("7","10","7","8","3","10","1") = "9"
    & skf18("7","10","7","8","4","1","1") = "9"
    & skf18("7","10","7","8","4","2","1") = "9"
    & skf18("7","10","7","8","4","3","1") = "9"
    & skf18("7","10","7","8","4","4","1") = "9"
    & skf18("7","10","7","8","4","5","1") = "9"
    & skf18("7","10","7","8","4","6","1") = "9"
    & skf18("7","10","7","8","4","7","1") = "9"
    & skf18("7","10","7","8","4","8","1") = "9"
    & skf18("7","10","7","8","4","9","1") = "9"
    & skf18("7","10","7","8","4","10","1") = "9"
    & skf18("7","10","7","8","5","1","1") = "9"
    & skf18("7","10","7","8","5","2","1") = "9"
    & skf18("7","10","7","8","5","3","1") = "9"
    & skf18("7","10","7","8","5","4","1") = "9"
    & skf18("7","10","7","8","5","5","1") = "9"
    & skf18("7","10","7","8","5","6","1") = "9"
    & skf18("7","10","7","8","5","7","1") = "9"
    & skf18("7","10","7","8","5","8","1") = "9"
    & skf18("7","10","7","8","5","9","1") = "9"
    & skf18("7","10","7","8","5","10","1") = "9"
    & skf18("7","10","7","8","6","1","1") = "9"
    & skf18("7","10","7","8","6","2","1") = "9"
    & skf18("7","10","7","8","6","3","1") = "9"
    & skf18("7","10","7","8","6","4","1") = "9"
    & skf18("7","10","7","8","6","5","1") = "9"
    & skf18("7","10","7","8","6","6","1") = "9"
    & skf18("7","10","7","8","6","7","1") = "9"
    & skf18("7","10","7","8","6","8","1") = "9"
    & skf18("7","10","7","8","6","9","1") = "9"
    & skf18("7","10","7","8","6","10","1") = "9"
    & skf18("7","10","7","8","7","1","1") = "9"
    & skf18("7","10","7","8","7","2","1") = "9"
    & skf18("7","10","7","8","7","3","1") = "9"
    & skf18("7","10","7","8","7","4","1") = "9"
    & skf18("7","10","7","8","7","5","1") = "9"
    & skf18("7","10","7","8","7","6","1") = "9"
    & skf18("7","10","7","8","7","7","1") = "9"
    & skf18("7","10","7","8","7","8","1") = "9"
    & skf18("7","10","7","8","7","9","1") = "9"
    & skf18("7","10","7","8","7","10","1") = "9"
    & skf18("7","10","7","8","8","1","1") = "9"
    & skf18("7","10","7","8","8","2","1") = "9"
    & skf18("7","10","7","8","8","3","1") = "9"
    & skf18("7","10","7","8","8","4","1") = "9"
    & skf18("7","10","7","8","8","5","1") = "9"
    & skf18("7","10","7","8","8","6","1") = "9"
    & skf18("7","10","7","8","8","7","1") = "9"
    & skf18("7","10","7","8","8","8","1") = "9"
    & skf18("7","10","7","8","8","9","1") = "9"
    & skf18("7","10","7","8","8","10","1") = "9"
    & skf18("7","10","7","8","9","1","1") = "9"
    & skf18("7","10","7","8","9","2","1") = "9"
    & skf18("7","10","7","8","9","3","1") = "9"
    & skf18("7","10","7","8","9","4","1") = "9"
    & skf18("7","10","7","8","9","5","1") = "9"
    & skf18("7","10","7","8","9","6","1") = "9"
    & skf18("7","10","7","8","9","7","1") = "9"
    & skf18("7","10","7","8","9","8","1") = "9"
    & skf18("7","10","7","8","9","9","1") = "9"
    & skf18("7","10","7","8","9","10","1") = "9"
    & skf18("7","10","7","8","10","1","1") = "9"
    & skf18("7","10","7","8","10","2","1") = "9"
    & skf18("7","10","7","8","10","3","1") = "9"
    & skf18("7","10","7","8","10","4","1") = "9"
    & skf18("7","10","7","8","10","5","1") = "9"
    & skf18("7","10","7","8","10","6","1") = "9"
    & skf18("7","10","7","8","10","7","1") = "9"
    & skf18("7","10","7","8","10","8","1") = "9"
    & skf18("7","10","7","8","10","9","1") = "9"
    & skf18("7","10","7","8","10","10","1") = "9"
    & skf18("7","10","7","9","1","1","1") = "9"
    & skf18("7","10","7","9","1","2","1") = "9"
    & skf18("7","10","7","9","1","3","1") = "9"
    & skf18("7","10","7","9","1","4","1") = "9"
    & skf18("7","10","7","9","1","5","1") = "9"
    & skf18("7","10","7","9","1","6","1") = "9"
    & skf18("7","10","7","9","1","7","1") = "9"
    & skf18("7","10","7","9","1","8","1") = "9"
    & skf18("7","10","7","9","1","9","1") = "9"
    & skf18("7","10","7","9","1","10","1") = "9"
    & skf18("7","10","7","9","2","1","1") = "9"
    & skf18("7","10","7","9","2","2","1") = "9"
    & skf18("7","10","7","9","2","3","1") = "9"
    & skf18("7","10","7","9","2","4","1") = "9"
    & skf18("7","10","7","9","2","5","1") = "9"
    & skf18("7","10","7","9","2","6","1") = "9"
    & skf18("7","10","7","9","2","7","1") = "9"
    & skf18("7","10","7","9","2","8","1") = "9"
    & skf18("7","10","7","9","2","9","1") = "9"
    & skf18("7","10","7","9","2","10","1") = "9"
    & skf18("7","10","7","9","3","1","1") = "9"
    & skf18("7","10","7","9","3","2","1") = "9"
    & skf18("7","10","7","9","3","3","1") = "9"
    & skf18("7","10","7","9","3","4","1") = "9"
    & skf18("7","10","7","9","3","5","1") = "9"
    & skf18("7","10","7","9","3","6","1") = "9"
    & skf18("7","10","7","9","3","7","1") = "9"
    & skf18("7","10","7","9","3","8","1") = "9"
    & skf18("7","10","7","9","3","9","1") = "9"
    & skf18("7","10","7","9","3","10","1") = "9"
    & skf18("7","10","7","9","4","1","1") = "9"
    & skf18("7","10","7","9","4","2","1") = "9"
    & skf18("7","10","7","9","4","3","1") = "9"
    & skf18("7","10","7","9","4","4","1") = "9"
    & skf18("7","10","7","9","4","5","1") = "9"
    & skf18("7","10","7","9","4","6","1") = "9"
    & skf18("7","10","7","9","4","7","1") = "9"
    & skf18("7","10","7","9","4","8","1") = "9"
    & skf18("7","10","7","9","4","9","1") = "9"
    & skf18("7","10","7","9","4","10","1") = "9"
    & skf18("7","10","7","9","5","1","1") = "9"
    & skf18("7","10","7","9","5","2","1") = "9"
    & skf18("7","10","7","9","5","3","1") = "9"
    & skf18("7","10","7","9","5","4","1") = "9"
    & skf18("7","10","7","9","5","5","1") = "9"
    & skf18("7","10","7","9","5","6","1") = "9"
    & skf18("7","10","7","9","5","7","1") = "9"
    & skf18("7","10","7","9","5","8","1") = "9"
    & skf18("7","10","7","9","5","9","1") = "9"
    & skf18("7","10","7","9","5","10","1") = "9"
    & skf18("7","10","7","9","6","1","1") = "9"
    & skf18("7","10","7","9","6","2","1") = "9"
    & skf18("7","10","7","9","6","3","1") = "9"
    & skf18("7","10","7","9","6","4","1") = "9"
    & skf18("7","10","7","9","6","5","1") = "9"
    & skf18("7","10","7","9","6","6","1") = "9"
    & skf18("7","10","7","9","6","7","1") = "9"
    & skf18("7","10","7","9","6","8","1") = "9"
    & skf18("7","10","7","9","6","9","1") = "9"
    & skf18("7","10","7","9","6","10","1") = "9"
    & skf18("7","10","7","9","7","1","1") = "9"
    & skf18("7","10","7","9","7","2","1") = "9"
    & skf18("7","10","7","9","7","3","1") = "9"
    & skf18("7","10","7","9","7","4","1") = "9"
    & skf18("7","10","7","9","7","5","1") = "9"
    & skf18("7","10","7","9","7","6","1") = "9"
    & skf18("7","10","7","9","7","7","1") = "9"
    & skf18("7","10","7","9","7","8","1") = "9"
    & skf18("7","10","7","9","7","9","1") = "9"
    & skf18("7","10","7","9","7","10","1") = "9"
    & skf18("7","10","7","9","8","1","1") = "9"
    & skf18("7","10","7","9","8","2","1") = "9"
    & skf18("7","10","7","9","8","3","1") = "9"
    & skf18("7","10","7","9","8","4","1") = "9"
    & skf18("7","10","7","9","8","5","1") = "9"
    & skf18("7","10","7","9","8","6","1") = "9"
    & skf18("7","10","7","9","8","7","1") = "9"
    & skf18("7","10","7","9","8","8","1") = "9"
    & skf18("7","10","7","9","8","9","1") = "9"
    & skf18("7","10","7","9","8","10","1") = "9"
    & skf18("7","10","7","9","9","1","1") = "9"
    & skf18("7","10","7","9","9","2","1") = "9"
    & skf18("7","10","7","9","9","3","1") = "9"
    & skf18("7","10","7","9","9","4","1") = "9"
    & skf18("7","10","7","9","9","5","1") = "9"
    & skf18("7","10","7","9","9","6","1") = "9"
    & skf18("7","10","7","9","9","7","1") = "9"
    & skf18("7","10","7","9","9","8","1") = "9"
    & skf18("7","10","7","9","9","9","1") = "9"
    & skf18("7","10","7","9","9","10","1") = "9"
    & skf18("7","10","7","9","10","1","1") = "9"
    & skf18("7","10","7","9","10","2","1") = "9"
    & skf18("7","10","7","9","10","3","1") = "9"
    & skf18("7","10","7","9","10","4","1") = "9"
    & skf18("7","10","7","9","10","5","1") = "9"
    & skf18("7","10","7","9","10","6","1") = "9"
    & skf18("7","10","7","9","10","7","1") = "9"
    & skf18("7","10","7","9","10","8","1") = "9"
    & skf18("7","10","7","9","10","9","1") = "9"
    & skf18("7","10","7","9","10","10","1") = "9"
    & skf18("7","10","7","10","1","1","1") = "9"
    & skf18("7","10","7","10","1","2","1") = "9"
    & skf18("7","10","7","10","1","3","1") = "9"
    & skf18("7","10","7","10","1","4","1") = "9"
    & skf18("7","10","7","10","1","5","1") = "9"
    & skf18("7","10","7","10","1","6","1") = "9"
    & skf18("7","10","7","10","1","7","1") = "9"
    & skf18("7","10","7","10","1","8","1") = "9"
    & skf18("7","10","7","10","1","9","1") = "9"
    & skf18("7","10","7","10","1","10","1") = "9"
    & skf18("7","10","7","10","2","1","1") = "9"
    & skf18("7","10","7","10","2","2","1") = "9"
    & skf18("7","10","7","10","2","3","1") = "9"
    & skf18("7","10","7","10","2","4","1") = "9"
    & skf18("7","10","7","10","2","5","1") = "9"
    & skf18("7","10","7","10","2","6","1") = "9"
    & skf18("7","10","7","10","2","7","1") = "9"
    & skf18("7","10","7","10","2","8","1") = "9"
    & skf18("7","10","7","10","2","9","1") = "9"
    & skf18("7","10","7","10","2","10","1") = "9"
    & skf18("7","10","7","10","3","1","1") = "9"
    & skf18("7","10","7","10","3","2","1") = "9"
    & skf18("7","10","7","10","3","3","1") = "9"
    & skf18("7","10","7","10","3","4","1") = "9"
    & skf18("7","10","7","10","3","5","1") = "9"
    & skf18("7","10","7","10","3","6","1") = "9"
    & skf18("7","10","7","10","3","7","1") = "9"
    & skf18("7","10","7","10","3","8","1") = "9"
    & skf18("7","10","7","10","3","9","1") = "9"
    & skf18("7","10","7","10","3","10","1") = "9"
    & skf18("7","10","7","10","4","1","1") = "9"
    & skf18("7","10","7","10","4","2","1") = "9"
    & skf18("7","10","7","10","4","3","1") = "9"
    & skf18("7","10","7","10","4","4","1") = "9"
    & skf18("7","10","7","10","4","5","1") = "9"
    & skf18("7","10","7","10","4","6","1") = "9"
    & skf18("7","10","7","10","4","7","1") = "9"
    & skf18("7","10","7","10","4","8","1") = "9"
    & skf18("7","10","7","10","4","9","1") = "9"
    & skf18("7","10","7","10","4","10","1") = "9"
    & skf18("7","10","7","10","5","1","1") = "9"
    & skf18("7","10","7","10","5","2","1") = "9"
    & skf18("7","10","7","10","5","3","1") = "9"
    & skf18("7","10","7","10","5","4","1") = "9"
    & skf18("7","10","7","10","5","5","1") = "9"
    & skf18("7","10","7","10","5","6","1") = "9"
    & skf18("7","10","7","10","5","7","1") = "9"
    & skf18("7","10","7","10","5","8","1") = "9"
    & skf18("7","10","7","10","5","9","1") = "9"
    & skf18("7","10","7","10","5","10","1") = "9"
    & skf18("7","10","7","10","6","1","1") = "9"
    & skf18("7","10","7","10","6","2","1") = "9"
    & skf18("7","10","7","10","6","3","1") = "9"
    & skf18("7","10","7","10","6","4","1") = "9"
    & skf18("7","10","7","10","6","5","1") = "9"
    & skf18("7","10","7","10","6","6","1") = "9"
    & skf18("7","10","7","10","6","7","1") = "9"
    & skf18("7","10","7","10","6","8","1") = "9"
    & skf18("7","10","7","10","6","9","1") = "9"
    & skf18("7","10","7","10","6","10","1") = "9"
    & skf18("7","10","7","10","7","1","1") = "9"
    & skf18("7","10","7","10","7","2","1") = "9"
    & skf18("7","10","7","10","7","3","1") = "9"
    & skf18("7","10","7","10","7","4","1") = "9"
    & skf18("7","10","7","10","7","5","1") = "9"
    & skf18("7","10","7","10","7","6","1") = "9"
    & skf18("7","10","7","10","7","7","1") = "9"
    & skf18("7","10","7","10","7","8","1") = "9"
    & skf18("7","10","7","10","7","9","1") = "9"
    & skf18("7","10","7","10","7","10","1") = "9"
    & skf18("7","10","7","10","8","1","1") = "9"
    & skf18("7","10","7","10","8","2","1") = "9"
    & skf18("7","10","7","10","8","3","1") = "9"
    & skf18("7","10","7","10","8","4","1") = "9"
    & skf18("7","10","7","10","8","5","1") = "9"
    & skf18("7","10","7","10","8","6","1") = "9"
    & skf18("7","10","7","10","8","7","1") = "9"
    & skf18("7","10","7","10","8","8","1") = "9"
    & skf18("7","10","7","10","8","9","1") = "9"
    & skf18("7","10","7","10","8","10","1") = "9"
    & skf18("7","10","7","10","9","1","1") = "9"
    & skf18("7","10","7","10","9","2","1") = "9"
    & skf18("7","10","7","10","9","3","1") = "9"
    & skf18("7","10","7","10","9","4","1") = "9"
    & skf18("7","10","7","10","9","5","1") = "9"
    & skf18("7","10","7","10","9","6","1") = "9"
    & skf18("7","10","7","10","9","7","1") = "9"
    & skf18("7","10","7","10","9","8","1") = "9"
    & skf18("7","10","7","10","9","9","1") = "9"
    & skf18("7","10","7","10","9","10","1") = "9"
    & skf18("7","10","7","10","10","1","1") = "9"
    & skf18("7","10","7","10","10","2","1") = "9"
    & skf18("7","10","7","10","10","3","1") = "9"
    & skf18("7","10","7","10","10","4","1") = "9"
    & skf18("7","10","7","10","10","5","1") = "9"
    & skf18("7","10","7","10","10","6","1") = "9"
    & skf18("7","10","7","10","10","7","1") = "9"
    & skf18("7","10","7","10","10","8","1") = "9"
    & skf18("7","10","7","10","10","9","1") = "9"
    & skf18("7","10","7","10","10","10","1") = "9"
    & skf18("7","10","8","1","1","1","1") = "9"
    & skf18("7","10","8","1","1","2","1") = "9"
    & skf18("7","10","8","1","1","3","1") = "9"
    & skf18("7","10","8","1","1","4","1") = "9"
    & skf18("7","10","8","1","1","5","1") = "9"
    & skf18("7","10","8","1","1","6","1") = "9"
    & skf18("7","10","8","1","1","7","1") = "9"
    & skf18("7","10","8","1","1","8","1") = "9"
    & skf18("7","10","8","1","1","9","1") = "9"
    & skf18("7","10","8","1","1","10","1") = "9"
    & skf18("7","10","8","1","2","1","1") = "9"
    & skf18("7","10","8","1","2","2","1") = "9"
    & skf18("7","10","8","1","2","3","1") = "9"
    & skf18("7","10","8","1","2","4","1") = "9"
    & skf18("7","10","8","1","2","5","1") = "9"
    & skf18("7","10","8","1","2","6","1") = "9"
    & skf18("7","10","8","1","2","7","1") = "9"
    & skf18("7","10","8","1","2","8","1") = "9"
    & skf18("7","10","8","1","2","9","1") = "9"
    & skf18("7","10","8","1","2","10","1") = "9"
    & skf18("7","10","8","1","3","1","1") = "9"
    & skf18("7","10","8","1","3","2","1") = "9"
    & skf18("7","10","8","1","3","3","1") = "9"
    & skf18("7","10","8","1","3","4","1") = "9"
    & skf18("7","10","8","1","3","5","1") = "9"
    & skf18("7","10","8","1","3","6","1") = "9"
    & skf18("7","10","8","1","3","7","1") = "9"
    & skf18("7","10","8","1","3","8","1") = "9"
    & skf18("7","10","8","1","3","9","1") = "9"
    & skf18("7","10","8","1","3","10","1") = "9"
    & skf18("7","10","8","1","4","1","1") = "9"
    & skf18("7","10","8","1","4","2","1") = "9"
    & skf18("7","10","8","1","4","3","1") = "9"
    & skf18("7","10","8","1","4","4","1") = "9"
    & skf18("7","10","8","1","4","5","1") = "9"
    & skf18("7","10","8","1","4","6","1") = "9"
    & skf18("7","10","8","1","4","7","1") = "9"
    & skf18("7","10","8","1","4","8","1") = "9"
    & skf18("7","10","8","1","4","9","1") = "9"
    & skf18("7","10","8","1","4","10","1") = "9"
    & skf18("7","10","8","1","5","1","1") = "9"
    & skf18("7","10","8","1","5","2","1") = "9"
    & skf18("7","10","8","1","5","3","1") = "9"
    & skf18("7","10","8","1","5","4","1") = "9"
    & skf18("7","10","8","1","5","5","1") = "9"
    & skf18("7","10","8","1","5","6","1") = "9"
    & skf18("7","10","8","1","5","7","1") = "9"
    & skf18("7","10","8","1","5","8","1") = "9"
    & skf18("7","10","8","1","5","9","1") = "9"
    & skf18("7","10","8","1","5","10","1") = "9"
    & skf18("7","10","8","1","6","1","1") = "9"
    & skf18("7","10","8","1","6","2","1") = "9"
    & skf18("7","10","8","1","6","3","1") = "9"
    & skf18("7","10","8","1","6","4","1") = "9"
    & skf18("7","10","8","1","6","5","1") = "9"
    & skf18("7","10","8","1","6","6","1") = "9"
    & skf18("7","10","8","1","6","7","1") = "9"
    & skf18("7","10","8","1","6","8","1") = "9"
    & skf18("7","10","8","1","6","9","1") = "9"
    & skf18("7","10","8","1","6","10","1") = "9"
    & skf18("7","10","8","1","7","1","1") = "9"
    & skf18("7","10","8","1","7","2","1") = "9"
    & skf18("7","10","8","1","7","3","1") = "9"
    & skf18("7","10","8","1","7","4","1") = "9"
    & skf18("7","10","8","1","7","5","1") = "9"
    & skf18("7","10","8","1","7","6","1") = "9"
    & skf18("7","10","8","1","7","7","1") = "9"
    & skf18("7","10","8","1","7","8","1") = "9"
    & skf18("7","10","8","1","7","9","1") = "9"
    & skf18("7","10","8","1","7","10","1") = "9"
    & skf18("7","10","8","1","8","1","1") = "9"
    & skf18("7","10","8","1","8","2","1") = "9"
    & skf18("7","10","8","1","8","3","1") = "9"
    & skf18("7","10","8","1","8","4","1") = "9"
    & skf18("7","10","8","1","8","5","1") = "9"
    & skf18("7","10","8","1","8","6","1") = "9"
    & skf18("7","10","8","1","8","7","1") = "9"
    & skf18("7","10","8","1","8","8","1") = "9"
    & skf18("7","10","8","1","8","9","1") = "9"
    & skf18("7","10","8","1","8","10","1") = "9"
    & skf18("7","10","8","1","9","1","1") = "9"
    & skf18("7","10","8","1","9","2","1") = "9"
    & skf18("7","10","8","1","9","3","1") = "9"
    & skf18("7","10","8","1","9","4","1") = "9"
    & skf18("7","10","8","1","9","5","1") = "9"
    & skf18("7","10","8","1","9","6","1") = "9"
    & skf18("7","10","8","1","9","7","1") = "9"
    & skf18("7","10","8","1","9","8","1") = "9"
    & skf18("7","10","8","1","9","9","1") = "9"
    & skf18("7","10","8","1","9","10","1") = "9"
    & skf18("7","10","8","1","10","1","1") = "9"
    & skf18("7","10","8","1","10","2","1") = "9"
    & skf18("7","10","8","1","10","3","1") = "9"
    & skf18("7","10","8","1","10","4","1") = "9"
    & skf18("7","10","8","1","10","5","1") = "9"
    & skf18("7","10","8","1","10","6","1") = "9"
    & skf18("7","10","8","1","10","7","1") = "9"
    & skf18("7","10","8","1","10","8","1") = "9"
    & skf18("7","10","8","1","10","9","1") = "9"
    & skf18("7","10","8","1","10","10","1") = "9"
    & skf18("7","10","8","2","1","1","1") = "9"
    & skf18("7","10","8","2","1","2","1") = "9"
    & skf18("7","10","8","2","1","3","1") = "9"
    & skf18("7","10","8","2","1","4","1") = "9"
    & skf18("7","10","8","2","1","5","1") = "9"
    & skf18("7","10","8","2","1","6","1") = "9"
    & skf18("7","10","8","2","1","7","1") = "9"
    & skf18("7","10","8","2","1","8","1") = "9"
    & skf18("7","10","8","2","1","9","1") = "9"
    & skf18("7","10","8","2","1","10","1") = "9"
    & skf18("7","10","8","2","2","1","1") = "9"
    & skf18("7","10","8","2","2","2","1") = "9"
    & skf18("7","10","8","2","2","3","1") = "9"
    & skf18("7","10","8","2","2","4","1") = "9"
    & skf18("7","10","8","2","2","5","1") = "9"
    & skf18("7","10","8","2","2","6","1") = "9"
    & skf18("7","10","8","2","2","7","1") = "9"
    & skf18("7","10","8","2","2","8","1") = "9"
    & skf18("7","10","8","2","2","9","1") = "9"
    & skf18("7","10","8","2","2","10","1") = "9"
    & skf18("7","10","8","2","3","1","1") = "9"
    & skf18("7","10","8","2","3","2","1") = "9"
    & skf18("7","10","8","2","3","3","1") = "9"
    & skf18("7","10","8","2","3","4","1") = "9"
    & skf18("7","10","8","2","3","5","1") = "9"
    & skf18("7","10","8","2","3","6","1") = "9"
    & skf18("7","10","8","2","3","7","1") = "9"
    & skf18("7","10","8","2","3","8","1") = "9"
    & skf18("7","10","8","2","3","9","1") = "9"
    & skf18("7","10","8","2","3","10","1") = "9"
    & skf18("7","10","8","2","4","1","1") = "9"
    & skf18("7","10","8","2","4","2","1") = "9"
    & skf18("7","10","8","2","4","3","1") = "9"
    & skf18("7","10","8","2","4","4","1") = "9"
    & skf18("7","10","8","2","4","5","1") = "9"
    & skf18("7","10","8","2","4","6","1") = "9"
    & skf18("7","10","8","2","4","7","1") = "9"
    & skf18("7","10","8","2","4","8","1") = "9"
    & skf18("7","10","8","2","4","9","1") = "9"
    & skf18("7","10","8","2","4","10","1") = "9"
    & skf18("7","10","8","2","5","1","1") = "9"
    & skf18("7","10","8","2","5","2","1") = "9"
    & skf18("7","10","8","2","5","3","1") = "9"
    & skf18("7","10","8","2","5","4","1") = "9"
    & skf18("7","10","8","2","5","5","1") = "9"
    & skf18("7","10","8","2","5","6","1") = "9"
    & skf18("7","10","8","2","5","7","1") = "9"
    & skf18("7","10","8","2","5","8","1") = "9"
    & skf18("7","10","8","2","5","9","1") = "9"
    & skf18("7","10","8","2","5","10","1") = "9"
    & skf18("7","10","8","2","6","1","1") = "9"
    & skf18("7","10","8","2","6","2","1") = "9"
    & skf18("7","10","8","2","6","3","1") = "9"
    & skf18("7","10","8","2","6","4","1") = "9"
    & skf18("7","10","8","2","6","5","1") = "9"
    & skf18("7","10","8","2","6","6","1") = "9"
    & skf18("7","10","8","2","6","7","1") = "9"
    & skf18("7","10","8","2","6","8","1") = "9"
    & skf18("7","10","8","2","6","9","1") = "9"
    & skf18("7","10","8","2","6","10","1") = "9"
    & skf18("7","10","8","2","7","1","1") = "9"
    & skf18("7","10","8","2","7","2","1") = "9"
    & skf18("7","10","8","2","7","3","1") = "9"
    & skf18("7","10","8","2","7","4","1") = "9"
    & skf18("7","10","8","2","7","5","1") = "9"
    & skf18("7","10","8","2","7","6","1") = "9"
    & skf18("7","10","8","2","7","7","1") = "9"
    & skf18("7","10","8","2","7","8","1") = "9"
    & skf18("7","10","8","2","7","9","1") = "9"
    & skf18("7","10","8","2","7","10","1") = "9"
    & skf18("7","10","8","2","8","1","1") = "9"
    & skf18("7","10","8","2","8","2","1") = "9"
    & skf18("7","10","8","2","8","3","1") = "9"
    & skf18("7","10","8","2","8","4","1") = "9"
    & skf18("7","10","8","2","8","5","1") = "9"
    & skf18("7","10","8","2","8","6","1") = "9"
    & skf18("7","10","8","2","8","7","1") = "9"
    & skf18("7","10","8","2","8","8","1") = "9"
    & skf18("7","10","8","2","8","9","1") = "9"
    & skf18("7","10","8","2","8","10","1") = "9"
    & skf18("7","10","8","2","9","1","1") = "9"
    & skf18("7","10","8","2","9","2","1") = "9"
    & skf18("7","10","8","2","9","3","1") = "9"
    & skf18("7","10","8","2","9","4","1") = "9"
    & skf18("7","10","8","2","9","5","1") = "9"
    & skf18("7","10","8","2","9","6","1") = "9"
    & skf18("7","10","8","2","9","7","1") = "9"
    & skf18("7","10","8","2","9","8","1") = "9"
    & skf18("7","10","8","2","9","9","1") = "9"
    & skf18("7","10","8","2","9","10","1") = "9"
    & skf18("7","10","8","2","10","1","1") = "9"
    & skf18("7","10","8","2","10","2","1") = "9"
    & skf18("7","10","8","2","10","3","1") = "9"
    & skf18("7","10","8","2","10","4","1") = "9"
    & skf18("7","10","8","2","10","5","1") = "9"
    & skf18("7","10","8","2","10","6","1") = "9"
    & skf18("7","10","8","2","10","7","1") = "9"
    & skf18("7","10","8","2","10","8","1") = "9"
    & skf18("7","10","8","2","10","9","1") = "9"
    & skf18("7","10","8","2","10","10","1") = "9"
    & skf18("7","10","8","3","1","1","1") = "9"
    & skf18("7","10","8","3","1","2","1") = "9"
    & skf18("7","10","8","3","1","3","1") = "9"
    & skf18("7","10","8","3","1","4","1") = "9"
    & skf18("7","10","8","3","1","5","1") = "9"
    & skf18("7","10","8","3","1","6","1") = "9"
    & skf18("7","10","8","3","1","7","1") = "9"
    & skf18("7","10","8","3","1","8","1") = "9"
    & skf18("7","10","8","3","1","9","1") = "9"
    & skf18("7","10","8","3","1","10","1") = "9"
    & skf18("7","10","8","3","2","1","1") = "9"
    & skf18("7","10","8","3","2","2","1") = "9"
    & skf18("7","10","8","3","2","3","1") = "9"
    & skf18("7","10","8","3","2","4","1") = "9"
    & skf18("7","10","8","3","2","5","1") = "9"
    & skf18("7","10","8","3","2","6","1") = "9"
    & skf18("7","10","8","3","2","7","1") = "9"
    & skf18("7","10","8","3","2","8","1") = "9"
    & skf18("7","10","8","3","2","9","1") = "9"
    & skf18("7","10","8","3","2","10","1") = "9"
    & skf18("7","10","8","3","3","1","1") = "9"
    & skf18("7","10","8","3","3","2","1") = "9"
    & skf18("7","10","8","3","3","3","1") = "9"
    & skf18("7","10","8","3","3","4","1") = "9"
    & skf18("7","10","8","3","3","5","1") = "9"
    & skf18("7","10","8","3","3","6","1") = "9"
    & skf18("7","10","8","3","3","7","1") = "9"
    & skf18("7","10","8","3","3","8","1") = "9"
    & skf18("7","10","8","3","3","9","1") = "9"
    & skf18("7","10","8","3","3","10","1") = "9"
    & skf18("7","10","8","3","4","1","1") = "9"
    & skf18("7","10","8","3","4","2","1") = "9"
    & skf18("7","10","8","3","4","3","1") = "9"
    & skf18("7","10","8","3","4","4","1") = "9"
    & skf18("7","10","8","3","4","5","1") = "9"
    & skf18("7","10","8","3","4","6","1") = "9"
    & skf18("7","10","8","3","4","7","1") = "9"
    & skf18("7","10","8","3","4","8","1") = "9"
    & skf18("7","10","8","3","4","9","1") = "9"
    & skf18("7","10","8","3","4","10","1") = "9"
    & skf18("7","10","8","3","5","1","1") = "9"
    & skf18("7","10","8","3","5","2","1") = "9"
    & skf18("7","10","8","3","5","3","1") = "9"
    & skf18("7","10","8","3","5","4","1") = "9"
    & skf18("7","10","8","3","5","5","1") = "9"
    & skf18("7","10","8","3","5","6","1") = "9"
    & skf18("7","10","8","3","5","7","1") = "9"
    & skf18("7","10","8","3","5","8","1") = "9"
    & skf18("7","10","8","3","5","9","1") = "9"
    & skf18("7","10","8","3","5","10","1") = "9"
    & skf18("7","10","8","3","6","1","1") = "9"
    & skf18("7","10","8","3","6","2","1") = "9"
    & skf18("7","10","8","3","6","3","1") = "9"
    & skf18("7","10","8","3","6","4","1") = "9"
    & skf18("7","10","8","3","6","5","1") = "9"
    & skf18("7","10","8","3","6","6","1") = "9"
    & skf18("7","10","8","3","6","7","1") = "9"
    & skf18("7","10","8","3","6","8","1") = "9"
    & skf18("7","10","8","3","6","9","1") = "9"
    & skf18("7","10","8","3","6","10","1") = "9"
    & skf18("7","10","8","3","7","1","1") = "9"
    & skf18("7","10","8","3","7","2","1") = "9"
    & skf18("7","10","8","3","7","3","1") = "9"
    & skf18("7","10","8","3","7","4","1") = "9"
    & skf18("7","10","8","3","7","5","1") = "9"
    & skf18("7","10","8","3","7","6","1") = "9"
    & skf18("7","10","8","3","7","7","1") = "9"
    & skf18("7","10","8","3","7","8","1") = "9"
    & skf18("7","10","8","3","7","9","1") = "9"
    & skf18("7","10","8","3","7","10","1") = "9"
    & skf18("7","10","8","3","8","1","1") = "9"
    & skf18("7","10","8","3","8","2","1") = "9"
    & skf18("7","10","8","3","8","3","1") = "9"
    & skf18("7","10","8","3","8","4","1") = "9"
    & skf18("7","10","8","3","8","5","1") = "9"
    & skf18("7","10","8","3","8","6","1") = "9"
    & skf18("7","10","8","3","8","7","1") = "9"
    & skf18("7","10","8","3","8","8","1") = "9"
    & skf18("7","10","8","3","8","9","1") = "9"
    & skf18("7","10","8","3","8","10","1") = "9"
    & skf18("7","10","8","3","9","1","1") = "9"
    & skf18("7","10","8","3","9","2","1") = "9"
    & skf18("7","10","8","3","9","3","1") = "9"
    & skf18("7","10","8","3","9","4","1") = "9"
    & skf18("7","10","8","3","9","5","1") = "9"
    & skf18("7","10","8","3","9","6","1") = "9"
    & skf18("7","10","8","3","9","7","1") = "9"
    & skf18("7","10","8","3","9","8","1") = "9"
    & skf18("7","10","8","3","9","9","1") = "9"
    & skf18("7","10","8","3","9","10","1") = "9"
    & skf18("7","10","8","3","10","1","1") = "9"
    & skf18("7","10","8","3","10","2","1") = "9"
    & skf18("7","10","8","3","10","3","1") = "9"
    & skf18("7","10","8","3","10","4","1") = "9"
    & skf18("7","10","8","3","10","5","1") = "9"
    & skf18("7","10","8","3","10","6","1") = "9"
    & skf18("7","10","8","3","10","7","1") = "9"
    & skf18("7","10","8","3","10","8","1") = "9"
    & skf18("7","10","8","3","10","9","1") = "9"
    & skf18("7","10","8","3","10","10","1") = "9"
    & skf18("7","10","8","4","1","1","1") = "9"
    & skf18("7","10","8","4","1","2","1") = "9"
    & skf18("7","10","8","4","1","3","1") = "9"
    & skf18("7","10","8","4","1","4","1") = "9"
    & skf18("7","10","8","4","1","5","1") = "9"
    & skf18("7","10","8","4","1","6","1") = "9"
    & skf18("7","10","8","4","1","7","1") = "9"
    & skf18("7","10","8","4","1","8","1") = "9"
    & skf18("7","10","8","4","1","9","1") = "9"
    & skf18("7","10","8","4","1","10","1") = "9"
    & skf18("7","10","8","4","2","1","1") = "9"
    & skf18("7","10","8","4","2","2","1") = "9"
    & skf18("7","10","8","4","2","3","1") = "9"
    & skf18("7","10","8","4","2","4","1") = "9"
    & skf18("7","10","8","4","2","5","1") = "9"
    & skf18("7","10","8","4","2","6","1") = "9"
    & skf18("7","10","8","4","2","7","1") = "9"
    & skf18("7","10","8","4","2","8","1") = "9"
    & skf18("7","10","8","4","2","9","1") = "9"
    & skf18("7","10","8","4","2","10","1") = "9"
    & skf18("7","10","8","4","3","1","1") = "9"
    & skf18("7","10","8","4","3","2","1") = "9"
    & skf18("7","10","8","4","3","3","1") = "9"
    & skf18("7","10","8","4","3","4","1") = "9"
    & skf18("7","10","8","4","3","5","1") = "9"
    & skf18("7","10","8","4","3","6","1") = "9"
    & skf18("7","10","8","4","3","7","1") = "9"
    & skf18("7","10","8","4","3","8","1") = "9"
    & skf18("7","10","8","4","3","9","1") = "9"
    & skf18("7","10","8","4","3","10","1") = "9"
    & skf18("7","10","8","4","4","1","1") = "9"
    & skf18("7","10","8","4","4","2","1") = "9"
    & skf18("7","10","8","4","4","3","1") = "9"
    & skf18("7","10","8","4","4","4","1") = "9"
    & skf18("7","10","8","4","4","5","1") = "9"
    & skf18("7","10","8","4","4","6","1") = "9"
    & skf18("7","10","8","4","4","7","1") = "9"
    & skf18("7","10","8","4","4","8","1") = "9"
    & skf18("7","10","8","4","4","9","1") = "9"
    & skf18("7","10","8","4","4","10","1") = "9"
    & skf18("7","10","8","4","5","1","1") = "9"
    & skf18("7","10","8","4","5","2","1") = "9"
    & skf18("7","10","8","4","5","3","1") = "9"
    & skf18("7","10","8","4","5","4","1") = "9"
    & skf18("7","10","8","4","5","5","1") = "9"
    & skf18("7","10","8","4","5","6","1") = "9"
    & skf18("7","10","8","4","5","7","1") = "9"
    & skf18("7","10","8","4","5","8","1") = "9"
    & skf18("7","10","8","4","5","9","1") = "9"
    & skf18("7","10","8","4","5","10","1") = "9"
    & skf18("7","10","8","4","6","1","1") = "9"
    & skf18("7","10","8","4","6","2","1") = "9"
    & skf18("7","10","8","4","6","3","1") = "9"
    & skf18("7","10","8","4","6","4","1") = "9"
    & skf18("7","10","8","4","6","5","1") = "9"
    & skf18("7","10","8","4","6","6","1") = "9"
    & skf18("7","10","8","4","6","7","1") = "9"
    & skf18("7","10","8","4","6","8","1") = "9"
    & skf18("7","10","8","4","6","9","1") = "9"
    & skf18("7","10","8","4","6","10","1") = "9"
    & skf18("7","10","8","4","7","1","1") = "9"
    & skf18("7","10","8","4","7","2","1") = "9"
    & skf18("7","10","8","4","7","3","1") = "9"
    & skf18("7","10","8","4","7","4","1") = "9"
    & skf18("7","10","8","4","7","5","1") = "9"
    & skf18("7","10","8","4","7","6","1") = "9"
    & skf18("7","10","8","4","7","7","1") = "9"
    & skf18("7","10","8","4","7","8","1") = "9"
    & skf18("7","10","8","4","7","9","1") = "9"
    & skf18("7","10","8","4","7","10","1") = "9"
    & skf18("7","10","8","4","8","1","1") = "9"
    & skf18("7","10","8","4","8","2","1") = "9"
    & skf18("7","10","8","4","8","3","1") = "9"
    & skf18("7","10","8","4","8","4","1") = "9"
    & skf18("7","10","8","4","8","5","1") = "9"
    & skf18("7","10","8","4","8","6","1") = "9"
    & skf18("7","10","8","4","8","7","1") = "9"
    & skf18("7","10","8","4","8","8","1") = "9"
    & skf18("7","10","8","4","8","9","1") = "9"
    & skf18("7","10","8","4","8","10","1") = "9"
    & skf18("7","10","8","4","9","1","1") = "9"
    & skf18("7","10","8","4","9","2","1") = "9"
    & skf18("7","10","8","4","9","3","1") = "9"
    & skf18("7","10","8","4","9","4","1") = "9"
    & skf18("7","10","8","4","9","5","1") = "9"
    & skf18("7","10","8","4","9","6","1") = "9"
    & skf18("7","10","8","4","9","7","1") = "9"
    & skf18("7","10","8","4","9","8","1") = "9"
    & skf18("7","10","8","4","9","9","1") = "9"
    & skf18("7","10","8","4","9","10","1") = "9"
    & skf18("7","10","8","4","10","1","1") = "9"
    & skf18("7","10","8","4","10","2","1") = "9"
    & skf18("7","10","8","4","10","3","1") = "9"
    & skf18("7","10","8","4","10","4","1") = "9"
    & skf18("7","10","8","4","10","5","1") = "9"
    & skf18("7","10","8","4","10","6","1") = "9"
    & skf18("7","10","8","4","10","7","1") = "9"
    & skf18("7","10","8","4","10","8","1") = "9"
    & skf18("7","10","8","4","10","9","1") = "9"
    & skf18("7","10","8","4","10","10","1") = "9"
    & skf18("7","10","8","5","1","1","1") = "9"
    & skf18("7","10","8","5","1","2","1") = "9"
    & skf18("7","10","8","5","1","3","1") = "9"
    & skf18("7","10","8","5","1","4","1") = "9"
    & skf18("7","10","8","5","1","5","1") = "9"
    & skf18("7","10","8","5","1","6","1") = "9"
    & skf18("7","10","8","5","1","7","1") = "9"
    & skf18("7","10","8","5","1","8","1") = "9"
    & skf18("7","10","8","5","1","9","1") = "9"
    & skf18("7","10","8","5","1","10","1") = "9"
    & skf18("7","10","8","5","2","1","1") = "9"
    & skf18("7","10","8","5","2","2","1") = "9"
    & skf18("7","10","8","5","2","3","1") = "9"
    & skf18("7","10","8","5","2","4","1") = "9"
    & skf18("7","10","8","5","2","5","1") = "9"
    & skf18("7","10","8","5","2","6","1") = "9"
    & skf18("7","10","8","5","2","7","1") = "9"
    & skf18("7","10","8","5","2","8","1") = "9"
    & skf18("7","10","8","5","2","9","1") = "9"
    & skf18("7","10","8","5","2","10","1") = "9"
    & skf18("7","10","8","5","3","1","1") = "9"
    & skf18("7","10","8","5","3","2","1") = "9"
    & skf18("7","10","8","5","3","3","1") = "9"
    & skf18("7","10","8","5","3","4","1") = "9"
    & skf18("7","10","8","5","3","5","1") = "9"
    & skf18("7","10","8","5","3","6","1") = "9"
    & skf18("7","10","8","5","3","7","1") = "9"
    & skf18("7","10","8","5","3","8","1") = "9"
    & skf18("7","10","8","5","3","9","1") = "9"
    & skf18("7","10","8","5","3","10","1") = "9"
    & skf18("7","10","8","5","4","1","1") = "9"
    & skf18("7","10","8","5","4","2","1") = "9"
    & skf18("7","10","8","5","4","3","1") = "9"
    & skf18("7","10","8","5","4","4","1") = "9"
    & skf18("7","10","8","5","4","5","1") = "9"
    & skf18("7","10","8","5","4","6","1") = "9"
    & skf18("7","10","8","5","4","7","1") = "9"
    & skf18("7","10","8","5","4","8","1") = "9"
    & skf18("7","10","8","5","4","9","1") = "9"
    & skf18("7","10","8","5","4","10","1") = "9"
    & skf18("7","10","8","5","5","1","1") = "9"
    & skf18("7","10","8","5","5","2","1") = "9"
    & skf18("7","10","8","5","5","3","1") = "9"
    & skf18("7","10","8","5","5","4","1") = "9"
    & skf18("7","10","8","5","5","5","1") = "9"
    & skf18("7","10","8","5","5","6","1") = "9"
    & skf18("7","10","8","5","5","7","1") = "9"
    & skf18("7","10","8","5","5","8","1") = "9"
    & skf18("7","10","8","5","5","9","1") = "9"
    & skf18("7","10","8","5","5","10","1") = "9"
    & skf18("7","10","8","5","6","1","1") = "9"
    & skf18("7","10","8","5","6","2","1") = "9"
    & skf18("7","10","8","5","6","3","1") = "9"
    & skf18("7","10","8","5","6","4","1") = "9"
    & skf18("7","10","8","5","6","5","1") = "9"
    & skf18("7","10","8","5","6","6","1") = "9"
    & skf18("7","10","8","5","6","7","1") = "9"
    & skf18("7","10","8","5","6","8","1") = "9"
    & skf18("7","10","8","5","6","9","1") = "9"
    & skf18("7","10","8","5","6","10","1") = "9"
    & skf18("7","10","8","5","7","1","1") = "9"
    & skf18("7","10","8","5","7","2","1") = "9"
    & skf18("7","10","8","5","7","3","1") = "9"
    & skf18("7","10","8","5","7","4","1") = "9"
    & skf18("7","10","8","5","7","5","1") = "9"
    & skf18("7","10","8","5","7","6","1") = "9"
    & skf18("7","10","8","5","7","7","1") = "9"
    & skf18("7","10","8","5","7","8","1") = "9"
    & skf18("7","10","8","5","7","9","1") = "9"
    & skf18("7","10","8","5","7","10","1") = "9"
    & skf18("7","10","8","5","8","1","1") = "9"
    & skf18("7","10","8","5","8","2","1") = "9"
    & skf18("7","10","8","5","8","3","1") = "9"
    & skf18("7","10","8","5","8","4","1") = "9"
    & skf18("7","10","8","5","8","5","1") = "9"
    & skf18("7","10","8","5","8","6","1") = "9"
    & skf18("7","10","8","5","8","7","1") = "9"
    & skf18("7","10","8","5","8","8","1") = "9"
    & skf18("7","10","8","5","8","9","1") = "9"
    & skf18("7","10","8","5","8","10","1") = "9"
    & skf18("7","10","8","5","9","1","1") = "9"
    & skf18("7","10","8","5","9","2","1") = "9"
    & skf18("7","10","8","5","9","3","1") = "9"
    & skf18("7","10","8","5","9","4","1") = "9"
    & skf18("7","10","8","5","9","5","1") = "9"
    & skf18("7","10","8","5","9","6","1") = "9"
    & skf18("7","10","8","5","9","7","1") = "9"
    & skf18("7","10","8","5","9","8","1") = "9"
    & skf18("7","10","8","5","9","9","1") = "9"
    & skf18("7","10","8","5","9","10","1") = "9"
    & skf18("7","10","8","5","10","1","1") = "9"
    & skf18("7","10","8","5","10","2","1") = "9"
    & skf18("7","10","8","5","10","3","1") = "9"
    & skf18("7","10","8","5","10","4","1") = "9"
    & skf18("7","10","8","5","10","5","1") = "9"
    & skf18("7","10","8","5","10","6","1") = "9"
    & skf18("7","10","8","5","10","7","1") = "9"
    & skf18("7","10","8","5","10","8","1") = "9"
    & skf18("7","10","8","5","10","9","1") = "9"
    & skf18("7","10","8","5","10","10","1") = "9"
    & skf18("7","10","8","6","1","1","1") = "9"
    & skf18("7","10","8","6","1","2","1") = "9"
    & skf18("7","10","8","6","1","3","1") = "9"
    & skf18("7","10","8","6","1","4","1") = "9"
    & skf18("7","10","8","6","1","5","1") = "9"
    & skf18("7","10","8","6","1","6","1") = "9"
    & skf18("7","10","8","6","1","7","1") = "9"
    & skf18("7","10","8","6","1","8","1") = "9"
    & skf18("7","10","8","6","1","9","1") = "9"
    & skf18("7","10","8","6","1","10","1") = "9"
    & skf18("7","10","8","6","2","1","1") = "9"
    & skf18("7","10","8","6","2","2","1") = "9"
    & skf18("7","10","8","6","2","3","1") = "9"
    & skf18("7","10","8","6","2","4","1") = "9"
    & skf18("7","10","8","6","2","5","1") = "9"
    & skf18("7","10","8","6","2","6","1") = "9"
    & skf18("7","10","8","6","2","7","1") = "9"
    & skf18("7","10","8","6","2","8","1") = "9"
    & skf18("7","10","8","6","2","9","1") = "9"
    & skf18("7","10","8","6","2","10","1") = "9"
    & skf18("7","10","8","6","3","1","1") = "9"
    & skf18("7","10","8","6","3","2","1") = "9"
    & skf18("7","10","8","6","3","3","1") = "9"
    & skf18("7","10","8","6","3","4","1") = "9"
    & skf18("7","10","8","6","3","5","1") = "9"
    & skf18("7","10","8","6","3","6","1") = "9"
    & skf18("7","10","8","6","3","7","1") = "9"
    & skf18("7","10","8","6","3","8","1") = "9"
    & skf18("7","10","8","6","3","9","1") = "9"
    & skf18("7","10","8","6","3","10","1") = "9"
    & skf18("7","10","8","6","4","1","1") = "9"
    & skf18("7","10","8","6","4","2","1") = "9"
    & skf18("7","10","8","6","4","3","1") = "9"
    & skf18("7","10","8","6","4","4","1") = "9"
    & skf18("7","10","8","6","4","5","1") = "9"
    & skf18("7","10","8","6","4","6","1") = "9"
    & skf18("7","10","8","6","4","7","1") = "9"
    & skf18("7","10","8","6","4","8","1") = "9"
    & skf18("7","10","8","6","4","9","1") = "9"
    & skf18("7","10","8","6","4","10","1") = "9"
    & skf18("7","10","8","6","5","1","1") = "9"
    & skf18("7","10","8","6","5","2","1") = "9"
    & skf18("7","10","8","6","5","3","1") = "9"
    & skf18("7","10","8","6","5","4","1") = "9"
    & skf18("7","10","8","6","5","5","1") = "9"
    & skf18("7","10","8","6","5","6","1") = "9"
    & skf18("7","10","8","6","5","7","1") = "9"
    & skf18("7","10","8","6","5","8","1") = "9"
    & skf18("7","10","8","6","5","9","1") = "9"
    & skf18("7","10","8","6","5","10","1") = "9"
    & skf18("7","10","8","6","6","1","1") = "9"
    & skf18("7","10","8","6","6","2","1") = "9"
    & skf18("7","10","8","6","6","3","1") = "9"
    & skf18("7","10","8","6","6","4","1") = "9"
    & skf18("7","10","8","6","6","5","1") = "9"
    & skf18("7","10","8","6","6","6","1") = "9"
    & skf18("7","10","8","6","6","7","1") = "9"
    & skf18("7","10","8","6","6","8","1") = "9"
    & skf18("7","10","8","6","6","9","1") = "9"
    & skf18("7","10","8","6","6","10","1") = "9"
    & skf18("7","10","8","6","7","1","1") = "9"
    & skf18("7","10","8","6","7","2","1") = "9"
    & skf18("7","10","8","6","7","3","1") = "9"
    & skf18("7","10","8","6","7","4","1") = "9"
    & skf18("7","10","8","6","7","5","1") = "9"
    & skf18("7","10","8","6","7","6","1") = "9"
    & skf18("7","10","8","6","7","7","1") = "9"
    & skf18("7","10","8","6","7","8","1") = "9"
    & skf18("7","10","8","6","7","9","1") = "9"
    & skf18("7","10","8","6","7","10","1") = "9"
    & skf18("7","10","8","6","8","1","1") = "9"
    & skf18("7","10","8","6","8","2","1") = "9"
    & skf18("7","10","8","6","8","3","1") = "9"
    & skf18("7","10","8","6","8","4","1") = "9"
    & skf18("7","10","8","6","8","5","1") = "9"
    & skf18("7","10","8","6","8","6","1") = "9"
    & skf18("7","10","8","6","8","7","1") = "9"
    & skf18("7","10","8","6","8","8","1") = "9"
    & skf18("7","10","8","6","8","9","1") = "9"
    & skf18("7","10","8","6","8","10","1") = "9"
    & skf18("7","10","8","6","9","1","1") = "9"
    & skf18("7","10","8","6","9","2","1") = "9"
    & skf18("7","10","8","6","9","3","1") = "9"
    & skf18("7","10","8","6","9","4","1") = "9"
    & skf18("7","10","8","6","9","5","1") = "9"
    & skf18("7","10","8","6","9","6","1") = "9"
    & skf18("7","10","8","6","9","7","1") = "9"
    & skf18("7","10","8","6","9","8","1") = "9"
    & skf18("7","10","8","6","9","9","1") = "9"
    & skf18("7","10","8","6","9","10","1") = "9"
    & skf18("7","10","8","6","10","1","1") = "9"
    & skf18("7","10","8","6","10","2","1") = "9"
    & skf18("7","10","8","6","10","3","1") = "9"
    & skf18("7","10","8","6","10","4","1") = "9"
    & skf18("7","10","8","6","10","5","1") = "9"
    & skf18("7","10","8","6","10","6","1") = "9"
    & skf18("7","10","8","6","10","7","1") = "9"
    & skf18("7","10","8","6","10","8","1") = "9"
    & skf18("7","10","8","6","10","9","1") = "9"
    & skf18("7","10","8","6","10","10","1") = "9"
    & skf18("7","10","8","7","1","1","1") = "9"
    & skf18("7","10","8","7","1","2","1") = "9"
    & skf18("7","10","8","7","1","3","1") = "9"
    & skf18("7","10","8","7","1","4","1") = "9"
    & skf18("7","10","8","7","1","5","1") = "9"
    & skf18("7","10","8","7","1","6","1") = "9"
    & skf18("7","10","8","7","1","7","1") = "9"
    & skf18("7","10","8","7","1","8","1") = "9"
    & skf18("7","10","8","7","1","9","1") = "9"
    & skf18("7","10","8","7","1","10","1") = "9"
    & skf18("7","10","8","7","2","1","1") = "9"
    & skf18("7","10","8","7","2","2","1") = "9"
    & skf18("7","10","8","7","2","3","1") = "9"
    & skf18("7","10","8","7","2","4","1") = "9"
    & skf18("7","10","8","7","2","5","1") = "9"
    & skf18("7","10","8","7","2","6","1") = "9"
    & skf18("7","10","8","7","2","7","1") = "9"
    & skf18("7","10","8","7","2","8","1") = "9"
    & skf18("7","10","8","7","2","9","1") = "9"
    & skf18("7","10","8","7","2","10","1") = "9"
    & skf18("7","10","8","7","3","1","1") = "9"
    & skf18("7","10","8","7","3","2","1") = "9"
    & skf18("7","10","8","7","3","3","1") = "9"
    & skf18("7","10","8","7","3","4","1") = "9"
    & skf18("7","10","8","7","3","5","1") = "9"
    & skf18("7","10","8","7","3","6","1") = "9"
    & skf18("7","10","8","7","3","7","1") = "9"
    & skf18("7","10","8","7","3","8","1") = "9"
    & skf18("7","10","8","7","3","9","1") = "9"
    & skf18("7","10","8","7","3","10","1") = "9"
    & skf18("7","10","8","7","4","1","1") = "9"
    & skf18("7","10","8","7","4","2","1") = "9"
    & skf18("7","10","8","7","4","3","1") = "9"
    & skf18("7","10","8","7","4","4","1") = "9"
    & skf18("7","10","8","7","4","5","1") = "9"
    & skf18("7","10","8","7","4","6","1") = "9"
    & skf18("7","10","8","7","4","7","1") = "9"
    & skf18("7","10","8","7","4","8","1") = "9"
    & skf18("7","10","8","7","4","9","1") = "9"
    & skf18("7","10","8","7","4","10","1") = "9"
    & skf18("7","10","8","7","5","1","1") = "9"
    & skf18("7","10","8","7","5","2","1") = "9"
    & skf18("7","10","8","7","5","3","1") = "9"
    & skf18("7","10","8","7","5","4","1") = "9"
    & skf18("7","10","8","7","5","5","1") = "9"
    & skf18("7","10","8","7","5","6","1") = "9"
    & skf18("7","10","8","7","5","7","1") = "9"
    & skf18("7","10","8","7","5","8","1") = "9"
    & skf18("7","10","8","7","5","9","1") = "9"
    & skf18("7","10","8","7","5","10","1") = "9"
    & skf18("7","10","8","7","6","1","1") = "9"
    & skf18("7","10","8","7","6","2","1") = "9"
    & skf18("7","10","8","7","6","3","1") = "9"
    & skf18("7","10","8","7","6","4","1") = "9"
    & skf18("7","10","8","7","6","5","1") = "9"
    & skf18("7","10","8","7","6","6","1") = "9"
    & skf18("7","10","8","7","6","7","1") = "9"
    & skf18("7","10","8","7","6","8","1") = "9"
    & skf18("7","10","8","7","6","9","1") = "9"
    & skf18("7","10","8","7","6","10","1") = "9"
    & skf18("7","10","8","7","7","1","1") = "9"
    & skf18("7","10","8","7","7","2","1") = "9"
    & skf18("7","10","8","7","7","3","1") = "9"
    & skf18("7","10","8","7","7","4","1") = "9"
    & skf18("7","10","8","7","7","5","1") = "9"
    & skf18("7","10","8","7","7","6","1") = "9"
    & skf18("7","10","8","7","7","7","1") = "9"
    & skf18("7","10","8","7","7","8","1") = "9"
    & skf18("7","10","8","7","7","9","1") = "9"
    & skf18("7","10","8","7","7","10","1") = "9"
    & skf18("7","10","8","7","8","1","1") = "9"
    & skf18("7","10","8","7","8","2","1") = "9"
    & skf18("7","10","8","7","8","3","1") = "9"
    & skf18("7","10","8","7","8","4","1") = "9"
    & skf18("7","10","8","7","8","5","1") = "9"
    & skf18("7","10","8","7","8","6","1") = "9"
    & skf18("7","10","8","7","8","7","1") = "9"
    & skf18("7","10","8","7","8","8","1") = "9"
    & skf18("7","10","8","7","8","9","1") = "9"
    & skf18("7","10","8","7","8","10","1") = "9"
    & skf18("7","10","8","7","9","1","1") = "9"
    & skf18("7","10","8","7","9","2","1") = "9"
    & skf18("7","10","8","7","9","3","1") = "9"
    & skf18("7","10","8","7","9","4","1") = "9"
    & skf18("7","10","8","7","9","5","1") = "9"
    & skf18("7","10","8","7","9","6","1") = "9"
    & skf18("7","10","8","7","9","7","1") = "9"
    & skf18("7","10","8","7","9","8","1") = "9"
    & skf18("7","10","8","7","9","9","1") = "9"
    & skf18("7","10","8","7","9","10","1") = "9"
    & skf18("7","10","8","7","10","1","1") = "9"
    & skf18("7","10","8","7","10","2","1") = "9"
    & skf18("7","10","8","7","10","3","1") = "9"
    & skf18("7","10","8","7","10","4","1") = "9"
    & skf18("7","10","8","7","10","5","1") = "9"
    & skf18("7","10","8","7","10","6","1") = "9"
    & skf18("7","10","8","7","10","7","1") = "9"
    & skf18("7","10","8","7","10","8","1") = "9"
    & skf18("7","10","8","7","10","9","1") = "9"
    & skf18("7","10","8","7","10","10","1") = "9"
    & skf18("7","10","8","8","1","1","1") = "9"
    & skf18("7","10","8","8","1","2","1") = "9"
    & skf18("7","10","8","8","1","3","1") = "9"
    & skf18("7","10","8","8","1","4","1") = "9"
    & skf18("7","10","8","8","1","5","1") = "9"
    & skf18("7","10","8","8","1","6","1") = "9"
    & skf18("7","10","8","8","1","7","1") = "9"
    & skf18("7","10","8","8","1","8","1") = "9"
    & skf18("7","10","8","8","1","9","1") = "9"
    & skf18("7","10","8","8","1","10","1") = "9"
    & skf18("7","10","8","8","2","1","1") = "9"
    & skf18("7","10","8","8","2","2","1") = "9"
    & skf18("7","10","8","8","2","3","1") = "9"
    & skf18("7","10","8","8","2","4","1") = "9"
    & skf18("7","10","8","8","2","5","1") = "9"
    & skf18("7","10","8","8","2","6","1") = "9"
    & skf18("7","10","8","8","2","7","1") = "9"
    & skf18("7","10","8","8","2","8","1") = "9"
    & skf18("7","10","8","8","2","9","1") = "9"
    & skf18("7","10","8","8","2","10","1") = "9"
    & skf18("7","10","8","8","3","1","1") = "9"
    & skf18("7","10","8","8","3","2","1") = "9"
    & skf18("7","10","8","8","3","3","1") = "9"
    & skf18("7","10","8","8","3","4","1") = "9"
    & skf18("7","10","8","8","3","5","1") = "9"
    & skf18("7","10","8","8","3","6","1") = "9"
    & skf18("7","10","8","8","3","7","1") = "9"
    & skf18("7","10","8","8","3","8","1") = "9"
    & skf18("7","10","8","8","3","9","1") = "9"
    & skf18("7","10","8","8","3","10","1") = "9"
    & skf18("7","10","8","8","4","1","1") = "9"
    & skf18("7","10","8","8","4","2","1") = "9"
    & skf18("7","10","8","8","4","3","1") = "9"
    & skf18("7","10","8","8","4","4","1") = "9"
    & skf18("7","10","8","8","4","5","1") = "9"
    & skf18("7","10","8","8","4","6","1") = "9"
    & skf18("7","10","8","8","4","7","1") = "9"
    & skf18("7","10","8","8","4","8","1") = "9"
    & skf18("7","10","8","8","4","9","1") = "9"
    & skf18("7","10","8","8","4","10","1") = "9"
    & skf18("7","10","8","8","5","1","1") = "9"
    & skf18("7","10","8","8","5","2","1") = "9"
    & skf18("7","10","8","8","5","3","1") = "9"
    & skf18("7","10","8","8","5","4","1") = "9"
    & skf18("7","10","8","8","5","5","1") = "9"
    & skf18("7","10","8","8","5","6","1") = "9"
    & skf18("7","10","8","8","5","7","1") = "9"
    & skf18("7","10","8","8","5","8","1") = "9"
    & skf18("7","10","8","8","5","9","1") = "9"
    & skf18("7","10","8","8","5","10","1") = "9"
    & skf18("7","10","8","8","6","1","1") = "9"
    & skf18("7","10","8","8","6","2","1") = "9"
    & skf18("7","10","8","8","6","3","1") = "9"
    & skf18("7","10","8","8","6","4","1") = "9"
    & skf18("7","10","8","8","6","5","1") = "9"
    & skf18("7","10","8","8","6","6","1") = "9"
    & skf18("7","10","8","8","6","7","1") = "9"
    & skf18("7","10","8","8","6","8","1") = "9"
    & skf18("7","10","8","8","6","9","1") = "9"
    & skf18("7","10","8","8","6","10","1") = "9"
    & skf18("7","10","8","8","7","1","1") = "9"
    & skf18("7","10","8","8","7","2","1") = "9"
    & skf18("7","10","8","8","7","3","1") = "9"
    & skf18("7","10","8","8","7","4","1") = "9"
    & skf18("7","10","8","8","7","5","1") = "9"
    & skf18("7","10","8","8","7","6","1") = "9"
    & skf18("7","10","8","8","7","7","1") = "9"
    & skf18("7","10","8","8","7","8","1") = "9"
    & skf18("7","10","8","8","7","9","1") = "9"
    & skf18("7","10","8","8","7","10","1") = "9"
    & skf18("7","10","8","8","8","1","1") = "9"
    & skf18("7","10","8","8","8","2","1") = "9"
    & skf18("7","10","8","8","8","3","1") = "9"
    & skf18("7","10","8","8","8","4","1") = "9"
    & skf18("7","10","8","8","8","5","1") = "9"
    & skf18("7","10","8","8","8","6","1") = "9"
    & skf18("7","10","8","8","8","7","1") = "9"
    & skf18("7","10","8","8","8","8","1") = "9"
    & skf18("7","10","8","8","8","9","1") = "9"
    & skf18("7","10","8","8","8","10","1") = "9"
    & skf18("7","10","8","8","9","1","1") = "9"
    & skf18("7","10","8","8","9","2","1") = "9"
    & skf18("7","10","8","8","9","3","1") = "9"
    & skf18("7","10","8","8","9","4","1") = "9"
    & skf18("7","10","8","8","9","5","1") = "9"
    & skf18("7","10","8","8","9","6","1") = "9"
    & skf18("7","10","8","8","9","7","1") = "9"
    & skf18("7","10","8","8","9","8","1") = "9"
    & skf18("7","10","8","8","9","9","1") = "9"
    & skf18("7","10","8","8","9","10","1") = "9"
    & skf18("7","10","8","8","10","1","1") = "9"
    & skf18("7","10","8","8","10","2","1") = "9"
    & skf18("7","10","8","8","10","3","1") = "9"
    & skf18("7","10","8","8","10","4","1") = "9"
    & skf18("7","10","8","8","10","5","1") = "9"
    & skf18("7","10","8","8","10","6","1") = "9"
    & skf18("7","10","8","8","10","7","1") = "9"
    & skf18("7","10","8","8","10","8","1") = "9"
    & skf18("7","10","8","8","10","9","1") = "9"
    & skf18("7","10","8","8","10","10","1") = "9"
    & skf18("7","10","8","9","1","1","1") = "9"
    & skf18("7","10","8","9","1","2","1") = "9"
    & skf18("7","10","8","9","1","3","1") = "9"
    & skf18("7","10","8","9","1","4","1") = "9"
    & skf18("7","10","8","9","1","5","1") = "9"
    & skf18("7","10","8","9","1","6","1") = "9"
    & skf18("7","10","8","9","1","7","1") = "9"
    & skf18("7","10","8","9","1","8","1") = "9"
    & skf18("7","10","8","9","1","9","1") = "9"
    & skf18("7","10","8","9","1","10","1") = "9"
    & skf18("7","10","8","9","2","1","1") = "9"
    & skf18("7","10","8","9","2","2","1") = "9"
    & skf18("7","10","8","9","2","3","1") = "9"
    & skf18("7","10","8","9","2","4","1") = "9"
    & skf18("7","10","8","9","2","5","1") = "9"
    & skf18("7","10","8","9","2","6","1") = "9"
    & skf18("7","10","8","9","2","7","1") = "9"
    & skf18("7","10","8","9","2","8","1") = "9"
    & skf18("7","10","8","9","2","9","1") = "9"
    & skf18("7","10","8","9","2","10","1") = "9"
    & skf18("7","10","8","9","3","1","1") = "9"
    & skf18("7","10","8","9","3","2","1") = "9"
    & skf18("7","10","8","9","3","3","1") = "9"
    & skf18("7","10","8","9","3","4","1") = "9"
    & skf18("7","10","8","9","3","5","1") = "9"
    & skf18("7","10","8","9","3","6","1") = "9"
    & skf18("7","10","8","9","3","7","1") = "9"
    & skf18("7","10","8","9","3","8","1") = "9"
    & skf18("7","10","8","9","3","9","1") = "9"
    & skf18("7","10","8","9","3","10","1") = "9"
    & skf18("7","10","8","9","4","1","1") = "9"
    & skf18("7","10","8","9","4","2","1") = "9"
    & skf18("7","10","8","9","4","3","1") = "9"
    & skf18("7","10","8","9","4","4","1") = "9"
    & skf18("7","10","8","9","4","5","1") = "9"
    & skf18("7","10","8","9","4","6","1") = "9"
    & skf18("7","10","8","9","4","7","1") = "9"
    & skf18("7","10","8","9","4","8","1") = "9"
    & skf18("7","10","8","9","4","9","1") = "9"
    & skf18("7","10","8","9","4","10","1") = "9"
    & skf18("7","10","8","9","5","1","1") = "9"
    & skf18("7","10","8","9","5","2","1") = "9"
    & skf18("7","10","8","9","5","3","1") = "9"
    & skf18("7","10","8","9","5","4","1") = "9"
    & skf18("7","10","8","9","5","5","1") = "9"
    & skf18("7","10","8","9","5","6","1") = "9"
    & skf18("7","10","8","9","5","7","1") = "9"
    & skf18("7","10","8","9","5","8","1") = "9"
    & skf18("7","10","8","9","5","9","1") = "9"
    & skf18("7","10","8","9","5","10","1") = "9"
    & skf18("7","10","8","9","6","1","1") = "9"
    & skf18("7","10","8","9","6","2","1") = "9"
    & skf18("7","10","8","9","6","3","1") = "9"
    & skf18("7","10","8","9","6","4","1") = "9"
    & skf18("7","10","8","9","6","5","1") = "9"
    & skf18("7","10","8","9","6","6","1") = "9"
    & skf18("7","10","8","9","6","7","1") = "9"
    & skf18("7","10","8","9","6","8","1") = "9"
    & skf18("7","10","8","9","6","9","1") = "9"
    & skf18("7","10","8","9","6","10","1") = "9"
    & skf18("7","10","8","9","7","1","1") = "9"
    & skf18("7","10","8","9","7","2","1") = "9"
    & skf18("7","10","8","9","7","3","1") = "9"
    & skf18("7","10","8","9","7","4","1") = "9"
    & skf18("7","10","8","9","7","5","1") = "9"
    & skf18("7","10","8","9","7","6","1") = "9"
    & skf18("7","10","8","9","7","7","1") = "9"
    & skf18("7","10","8","9","7","8","1") = "9"
    & skf18("7","10","8","9","7","9","1") = "9"
    & skf18("7","10","8","9","7","10","1") = "9"
    & skf18("7","10","8","9","8","1","1") = "9"
    & skf18("7","10","8","9","8","2","1") = "9"
    & skf18("7","10","8","9","8","3","1") = "9"
    & skf18("7","10","8","9","8","4","1") = "9"
    & skf18("7","10","8","9","8","5","1") = "9"
    & skf18("7","10","8","9","8","6","1") = "9"
    & skf18("7","10","8","9","8","7","1") = "9"
    & skf18("7","10","8","9","8","8","1") = "9"
    & skf18("7","10","8","9","8","9","1") = "9"
    & skf18("7","10","8","9","8","10","1") = "9"
    & skf18("7","10","8","9","9","1","1") = "9"
    & skf18("7","10","8","9","9","2","1") = "9"
    & skf18("7","10","8","9","9","3","1") = "9"
    & skf18("7","10","8","9","9","4","1") = "9"
    & skf18("7","10","8","9","9","5","1") = "9"
    & skf18("7","10","8","9","9","6","1") = "9"
    & skf18("7","10","8","9","9","7","1") = "9"
    & skf18("7","10","8","9","9","8","1") = "9"
    & skf18("7","10","8","9","9","9","1") = "9"
    & skf18("7","10","8","9","9","10","1") = "9"
    & skf18("7","10","8","9","10","1","1") = "9"
    & skf18("7","10","8","9","10","2","1") = "9"
    & skf18("7","10","8","9","10","3","1") = "9"
    & skf18("7","10","8","9","10","4","1") = "9"
    & skf18("7","10","8","9","10","5","1") = "9"
    & skf18("7","10","8","9","10","6","1") = "9"
    & skf18("7","10","8","9","10","7","1") = "9"
    & skf18("7","10","8","9","10","8","1") = "9"
    & skf18("7","10","8","9","10","9","1") = "9"
    & skf18("7","10","8","9","10","10","1") = "9"
    & skf18("7","10","8","10","1","1","1") = "9"
    & skf18("7","10","8","10","1","2","1") = "9"
    & skf18("7","10","8","10","1","3","1") = "9"
    & skf18("7","10","8","10","1","4","1") = "9"
    & skf18("7","10","8","10","1","5","1") = "9"
    & skf18("7","10","8","10","1","6","1") = "9"
    & skf18("7","10","8","10","1","7","1") = "9"
    & skf18("7","10","8","10","1","8","1") = "9"
    & skf18("7","10","8","10","1","9","1") = "9"
    & skf18("7","10","8","10","1","10","1") = "9"
    & skf18("7","10","8","10","2","1","1") = "9"
    & skf18("7","10","8","10","2","2","1") = "9"
    & skf18("7","10","8","10","2","3","1") = "9"
    & skf18("7","10","8","10","2","4","1") = "9"
    & skf18("7","10","8","10","2","5","1") = "9"
    & skf18("7","10","8","10","2","6","1") = "9"
    & skf18("7","10","8","10","2","7","1") = "9"
    & skf18("7","10","8","10","2","8","1") = "9"
    & skf18("7","10","8","10","2","9","1") = "9"
    & skf18("7","10","8","10","2","10","1") = "9"
    & skf18("7","10","8","10","3","1","1") = "9"
    & skf18("7","10","8","10","3","2","1") = "9"
    & skf18("7","10","8","10","3","3","1") = "9"
    & skf18("7","10","8","10","3","4","1") = "9"
    & skf18("7","10","8","10","3","5","1") = "9"
    & skf18("7","10","8","10","3","6","1") = "9"
    & skf18("7","10","8","10","3","7","1") = "9"
    & skf18("7","10","8","10","3","8","1") = "9"
    & skf18("7","10","8","10","3","9","1") = "9"
    & skf18("7","10","8","10","3","10","1") = "9"
    & skf18("7","10","8","10","4","1","1") = "9"
    & skf18("7","10","8","10","4","2","1") = "9"
    & skf18("7","10","8","10","4","3","1") = "9"
    & skf18("7","10","8","10","4","4","1") = "9"
    & skf18("7","10","8","10","4","5","1") = "9"
    & skf18("7","10","8","10","4","6","1") = "9"
    & skf18("7","10","8","10","4","7","1") = "9"
    & skf18("7","10","8","10","4","8","1") = "9"
    & skf18("7","10","8","10","4","9","1") = "9"
    & skf18("7","10","8","10","4","10","1") = "9"
    & skf18("7","10","8","10","5","1","1") = "9"
    & skf18("7","10","8","10","5","2","1") = "9"
    & skf18("7","10","8","10","5","3","1") = "9"
    & skf18("7","10","8","10","5","4","1") = "9"
    & skf18("7","10","8","10","5","5","1") = "9"
    & skf18("7","10","8","10","5","6","1") = "9"
    & skf18("7","10","8","10","5","7","1") = "9"
    & skf18("7","10","8","10","5","8","1") = "9"
    & skf18("7","10","8","10","5","9","1") = "9"
    & skf18("7","10","8","10","5","10","1") = "9"
    & skf18("7","10","8","10","6","1","1") = "9"
    & skf18("7","10","8","10","6","2","1") = "9"
    & skf18("7","10","8","10","6","3","1") = "9"
    & skf18("7","10","8","10","6","4","1") = "9"
    & skf18("7","10","8","10","6","5","1") = "9"
    & skf18("7","10","8","10","6","6","1") = "9"
    & skf18("7","10","8","10","6","7","1") = "9"
    & skf18("7","10","8","10","6","8","1") = "9"
    & skf18("7","10","8","10","6","9","1") = "9"
    & skf18("7","10","8","10","6","10","1") = "9"
    & skf18("7","10","8","10","7","1","1") = "9"
    & skf18("7","10","8","10","7","2","1") = "9"
    & skf18("7","10","8","10","7","3","1") = "9"
    & skf18("7","10","8","10","7","4","1") = "9"
    & skf18("7","10","8","10","7","5","1") = "9"
    & skf18("7","10","8","10","7","6","1") = "9"
    & skf18("7","10","8","10","7","7","1") = "9"
    & skf18("7","10","8","10","7","8","1") = "9"
    & skf18("7","10","8","10","7","9","1") = "9"
    & skf18("7","10","8","10","7","10","1") = "9"
    & skf18("7","10","8","10","8","1","1") = "9"
    & skf18("7","10","8","10","8","2","1") = "9"
    & skf18("7","10","8","10","8","3","1") = "9"
    & skf18("7","10","8","10","8","4","1") = "9"
    & skf18("7","10","8","10","8","5","1") = "9"
    & skf18("7","10","8","10","8","6","1") = "9"
    & skf18("7","10","8","10","8","7","1") = "9"
    & skf18("7","10","8","10","8","8","1") = "9"
    & skf18("7","10","8","10","8","9","1") = "9"
    & skf18("7","10","8","10","8","10","1") = "9"
    & skf18("7","10","8","10","9","1","1") = "9"
    & skf18("7","10","8","10","9","2","1") = "9"
    & skf18("7","10","8","10","9","3","1") = "9"
    & skf18("7","10","8","10","9","4","1") = "9"
    & skf18("7","10","8","10","9","5","1") = "9"
    & skf18("7","10","8","10","9","6","1") = "9"
    & skf18("7","10","8","10","9","7","1") = "9"
    & skf18("7","10","8","10","9","8","1") = "9"
    & skf18("7","10","8","10","9","9","1") = "9"
    & skf18("7","10","8","10","9","10","1") = "9"
    & skf18("7","10","8","10","10","1","1") = "9"
    & skf18("7","10","8","10","10","2","1") = "9"
    & skf18("7","10","8","10","10","3","1") = "9"
    & skf18("7","10","8","10","10","4","1") = "9"
    & skf18("7","10","8","10","10","5","1") = "9"
    & skf18("7","10","8","10","10","6","1") = "9"
    & skf18("7","10","8","10","10","7","1") = "9"
    & skf18("7","10","8","10","10","8","1") = "9"
    & skf18("7","10","8","10","10","9","1") = "9"
    & skf18("7","10","8","10","10","10","1") = "9"
    & skf18("7","10","9","1","1","1","1") = "9"
    & skf18("7","10","9","1","1","2","1") = "9"
    & skf18("7","10","9","1","1","3","1") = "9"
    & skf18("7","10","9","1","1","4","1") = "9"
    & skf18("7","10","9","1","1","5","1") = "9"
    & skf18("7","10","9","1","1","6","1") = "9"
    & skf18("7","10","9","1","1","7","1") = "9"
    & skf18("7","10","9","1","1","8","1") = "9"
    & skf18("7","10","9","1","1","9","1") = "9"
    & skf18("7","10","9","1","1","10","1") = "9"
    & skf18("7","10","9","1","2","1","1") = "9"
    & skf18("7","10","9","1","2","2","1") = "9"
    & skf18("7","10","9","1","2","3","1") = "9"
    & skf18("7","10","9","1","2","4","1") = "9"
    & skf18("7","10","9","1","2","5","1") = "9"
    & skf18("7","10","9","1","2","6","1") = "9"
    & skf18("7","10","9","1","2","7","1") = "9"
    & skf18("7","10","9","1","2","8","1") = "9"
    & skf18("7","10","9","1","2","9","1") = "9"
    & skf18("7","10","9","1","2","10","1") = "9"
    & skf18("7","10","9","1","3","1","1") = "9"
    & skf18("7","10","9","1","3","2","1") = "9"
    & skf18("7","10","9","1","3","3","1") = "9"
    & skf18("7","10","9","1","3","4","1") = "9"
    & skf18("7","10","9","1","3","5","1") = "9"
    & skf18("7","10","9","1","3","6","1") = "9"
    & skf18("7","10","9","1","3","7","1") = "9"
    & skf18("7","10","9","1","3","8","1") = "9"
    & skf18("7","10","9","1","3","9","1") = "9"
    & skf18("7","10","9","1","3","10","1") = "9"
    & skf18("7","10","9","1","4","1","1") = "9"
    & skf18("7","10","9","1","4","2","1") = "9"
    & skf18("7","10","9","1","4","3","1") = "9"
    & skf18("7","10","9","1","4","4","1") = "9"
    & skf18("7","10","9","1","4","5","1") = "9"
    & skf18("7","10","9","1","4","6","1") = "9"
    & skf18("7","10","9","1","4","7","1") = "9"
    & skf18("7","10","9","1","4","8","1") = "9"
    & skf18("7","10","9","1","4","9","1") = "9"
    & skf18("7","10","9","1","4","10","1") = "9"
    & skf18("7","10","9","1","5","1","1") = "9"
    & skf18("7","10","9","1","5","2","1") = "9"
    & skf18("7","10","9","1","5","3","1") = "9"
    & skf18("7","10","9","1","5","4","1") = "9"
    & skf18("7","10","9","1","5","5","1") = "9"
    & skf18("7","10","9","1","5","6","1") = "9"
    & skf18("7","10","9","1","5","7","1") = "9"
    & skf18("7","10","9","1","5","8","1") = "9"
    & skf18("7","10","9","1","5","9","1") = "9"
    & skf18("7","10","9","1","5","10","1") = "9"
    & skf18("7","10","9","1","6","1","1") = "9"
    & skf18("7","10","9","1","6","2","1") = "9"
    & skf18("7","10","9","1","6","3","1") = "9"
    & skf18("7","10","9","1","6","4","1") = "9"
    & skf18("7","10","9","1","6","5","1") = "9"
    & skf18("7","10","9","1","6","6","1") = "9"
    & skf18("7","10","9","1","6","7","1") = "9"
    & skf18("7","10","9","1","6","8","1") = "9"
    & skf18("7","10","9","1","6","9","1") = "9"
    & skf18("7","10","9","1","6","10","1") = "9"
    & skf18("7","10","9","1","7","1","1") = "9"
    & skf18("7","10","9","1","7","2","1") = "9"
    & skf18("7","10","9","1","7","3","1") = "9"
    & skf18("7","10","9","1","7","4","1") = "9"
    & skf18("7","10","9","1","7","5","1") = "9"
    & skf18("7","10","9","1","7","6","1") = "9"
    & skf18("7","10","9","1","7","7","1") = "9"
    & skf18("7","10","9","1","7","8","1") = "9"
    & skf18("7","10","9","1","7","9","1") = "9"
    & skf18("7","10","9","1","7","10","1") = "9"
    & skf18("7","10","9","1","8","1","1") = "9"
    & skf18("7","10","9","1","8","2","1") = "9"
    & skf18("7","10","9","1","8","3","1") = "9"
    & skf18("7","10","9","1","8","4","1") = "9"
    & skf18("7","10","9","1","8","5","1") = "9"
    & skf18("7","10","9","1","8","6","1") = "9"
    & skf18("7","10","9","1","8","7","1") = "9"
    & skf18("7","10","9","1","8","8","1") = "9"
    & skf18("7","10","9","1","8","9","1") = "9"
    & skf18("7","10","9","1","8","10","1") = "9"
    & skf18("7","10","9","1","9","1","1") = "9"
    & skf18("7","10","9","1","9","2","1") = "9"
    & skf18("7","10","9","1","9","3","1") = "9"
    & skf18("7","10","9","1","9","4","1") = "9"
    & skf18("7","10","9","1","9","5","1") = "9"
    & skf18("7","10","9","1","9","6","1") = "9"
    & skf18("7","10","9","1","9","7","1") = "9"
    & skf18("7","10","9","1","9","8","1") = "9"
    & skf18("7","10","9","1","9","9","1") = "9"
    & skf18("7","10","9","1","9","10","1") = "9"
    & skf18("7","10","9","1","10","1","1") = "9"
    & skf18("7","10","9","1","10","2","1") = "9"
    & skf18("7","10","9","1","10","3","1") = "9"
    & skf18("7","10","9","1","10","4","1") = "9"
    & skf18("7","10","9","1","10","5","1") = "9"
    & skf18("7","10","9","1","10","6","1") = "9"
    & skf18("7","10","9","1","10","7","1") = "9"
    & skf18("7","10","9","1","10","8","1") = "9"
    & skf18("7","10","9","1","10","9","1") = "9"
    & skf18("7","10","9","1","10","10","1") = "9"
    & skf18("7","10","9","2","1","1","1") = "9"
    & skf18("7","10","9","2","1","2","1") = "9"
    & skf18("7","10","9","2","1","3","1") = "9"
    & skf18("7","10","9","2","1","4","1") = "9"
    & skf18("7","10","9","2","1","5","1") = "9"
    & skf18("7","10","9","2","1","6","1") = "9"
    & skf18("7","10","9","2","1","7","1") = "9"
    & skf18("7","10","9","2","1","8","1") = "9"
    & skf18("7","10","9","2","1","9","1") = "9"
    & skf18("7","10","9","2","1","10","1") = "9"
    & skf18("7","10","9","2","2","1","1") = "9"
    & skf18("7","10","9","2","2","2","1") = "9"
    & skf18("7","10","9","2","2","3","1") = "9"
    & skf18("7","10","9","2","2","4","1") = "9"
    & skf18("7","10","9","2","2","5","1") = "9"
    & skf18("7","10","9","2","2","6","1") = "9"
    & skf18("7","10","9","2","2","7","1") = "9"
    & skf18("7","10","9","2","2","8","1") = "9"
    & skf18("7","10","9","2","2","9","1") = "9"
    & skf18("7","10","9","2","2","10","1") = "9"
    & skf18("7","10","9","2","3","1","1") = "9"
    & skf18("7","10","9","2","3","2","1") = "9"
    & skf18("7","10","9","2","3","3","1") = "9"
    & skf18("7","10","9","2","3","4","1") = "9"
    & skf18("7","10","9","2","3","5","1") = "9"
    & skf18("7","10","9","2","3","6","1") = "9"
    & skf18("7","10","9","2","3","7","1") = "9"
    & skf18("7","10","9","2","3","8","1") = "9"
    & skf18("7","10","9","2","3","9","1") = "9"
    & skf18("7","10","9","2","3","10","1") = "9"
    & skf18("7","10","9","2","4","1","1") = "9"
    & skf18("7","10","9","2","4","2","1") = "9"
    & skf18("7","10","9","2","4","3","1") = "9"
    & skf18("7","10","9","2","4","4","1") = "9"
    & skf18("7","10","9","2","4","5","1") = "9"
    & skf18("7","10","9","2","4","6","1") = "9"
    & skf18("7","10","9","2","4","7","1") = "9"
    & skf18("7","10","9","2","4","8","1") = "9"
    & skf18("7","10","9","2","4","9","1") = "9"
    & skf18("7","10","9","2","4","10","1") = "9"
    & skf18("7","10","9","2","5","1","1") = "9"
    & skf18("7","10","9","2","5","2","1") = "9"
    & skf18("7","10","9","2","5","3","1") = "9"
    & skf18("7","10","9","2","5","4","1") = "9"
    & skf18("7","10","9","2","5","5","1") = "9"
    & skf18("7","10","9","2","5","6","1") = "9"
    & skf18("7","10","9","2","5","7","1") = "9"
    & skf18("7","10","9","2","5","8","1") = "9"
    & skf18("7","10","9","2","5","9","1") = "9"
    & skf18("7","10","9","2","5","10","1") = "9"
    & skf18("7","10","9","2","6","1","1") = "9"
    & skf18("7","10","9","2","6","2","1") = "9"
    & skf18("7","10","9","2","6","3","1") = "9"
    & skf18("7","10","9","2","6","4","1") = "9"
    & skf18("7","10","9","2","6","5","1") = "9"
    & skf18("7","10","9","2","6","6","1") = "9"
    & skf18("7","10","9","2","6","7","1") = "9"
    & skf18("7","10","9","2","6","8","1") = "9"
    & skf18("7","10","9","2","6","9","1") = "9"
    & skf18("7","10","9","2","6","10","1") = "9"
    & skf18("7","10","9","2","7","1","1") = "9"
    & skf18("7","10","9","2","7","2","1") = "9"
    & skf18("7","10","9","2","7","3","1") = "9"
    & skf18("7","10","9","2","7","4","1") = "9"
    & skf18("7","10","9","2","7","5","1") = "9"
    & skf18("7","10","9","2","7","6","1") = "9"
    & skf18("7","10","9","2","7","7","1") = "9"
    & skf18("7","10","9","2","7","8","1") = "9"
    & skf18("7","10","9","2","7","9","1") = "9"
    & skf18("7","10","9","2","7","10","1") = "9"
    & skf18("7","10","9","2","8","1","1") = "9"
    & skf18("7","10","9","2","8","2","1") = "9"
    & skf18("7","10","9","2","8","3","1") = "9"
    & skf18("7","10","9","2","8","4","1") = "9"
    & skf18("7","10","9","2","8","5","1") = "9"
    & skf18("7","10","9","2","8","6","1") = "9"
    & skf18("7","10","9","2","8","7","1") = "9"
    & skf18("7","10","9","2","8","8","1") = "9"
    & skf18("7","10","9","2","8","9","1") = "9"
    & skf18("7","10","9","2","8","10","1") = "9"
    & skf18("7","10","9","2","9","1","1") = "9"
    & skf18("7","10","9","2","9","2","1") = "9"
    & skf18("7","10","9","2","9","3","1") = "9"
    & skf18("7","10","9","2","9","4","1") = "9"
    & skf18("7","10","9","2","9","5","1") = "9"
    & skf18("7","10","9","2","9","6","1") = "9"
    & skf18("7","10","9","2","9","7","1") = "9"
    & skf18("7","10","9","2","9","8","1") = "9"
    & skf18("7","10","9","2","9","9","1") = "9"
    & skf18("7","10","9","2","9","10","1") = "9"
    & skf18("7","10","9","2","10","1","1") = "9"
    & skf18("7","10","9","2","10","2","1") = "9"
    & skf18("7","10","9","2","10","3","1") = "9"
    & skf18("7","10","9","2","10","4","1") = "9"
    & skf18("7","10","9","2","10","5","1") = "9"
    & skf18("7","10","9","2","10","6","1") = "9"
    & skf18("7","10","9","2","10","7","1") = "9"
    & skf18("7","10","9","2","10","8","1") = "9"
    & skf18("7","10","9","2","10","9","1") = "9"
    & skf18("7","10","9","2","10","10","1") = "9"
    & skf18("7","10","9","3","1","1","1") = "9"
    & skf18("7","10","9","3","1","2","1") = "9"
    & skf18("7","10","9","3","1","3","1") = "9"
    & skf18("7","10","9","3","1","4","1") = "9"
    & skf18("7","10","9","3","1","5","1") = "9"
    & skf18("7","10","9","3","1","6","1") = "9"
    & skf18("7","10","9","3","1","7","1") = "9"
    & skf18("7","10","9","3","1","8","1") = "9"
    & skf18("7","10","9","3","1","9","1") = "9"
    & skf18("7","10","9","3","1","10","1") = "9"
    & skf18("7","10","9","3","2","1","1") = "9"
    & skf18("7","10","9","3","2","2","1") = "9"
    & skf18("7","10","9","3","2","3","1") = "9"
    & skf18("7","10","9","3","2","4","1") = "9"
    & skf18("7","10","9","3","2","5","1") = "9"
    & skf18("7","10","9","3","2","6","1") = "9"
    & skf18("7","10","9","3","2","7","1") = "9"
    & skf18("7","10","9","3","2","8","1") = "9"
    & skf18("7","10","9","3","2","9","1") = "9"
    & skf18("7","10","9","3","2","10","1") = "9"
    & skf18("7","10","9","3","3","1","1") = "9"
    & skf18("7","10","9","3","3","2","1") = "9"
    & skf18("7","10","9","3","3","3","1") = "9"
    & skf18("7","10","9","3","3","4","1") = "9"
    & skf18("7","10","9","3","3","5","1") = "9"
    & skf18("7","10","9","3","3","6","1") = "9"
    & skf18("7","10","9","3","3","7","1") = "9"
    & skf18("7","10","9","3","3","8","1") = "9"
    & skf18("7","10","9","3","3","9","1") = "9"
    & skf18("7","10","9","3","3","10","1") = "9"
    & skf18("7","10","9","3","4","1","1") = "9"
    & skf18("7","10","9","3","4","2","1") = "9"
    & skf18("7","10","9","3","4","3","1") = "9"
    & skf18("7","10","9","3","4","4","1") = "9"
    & skf18("7","10","9","3","4","5","1") = "9"
    & skf18("7","10","9","3","4","6","1") = "9"
    & skf18("7","10","9","3","4","7","1") = "9"
    & skf18("7","10","9","3","4","8","1") = "9"
    & skf18("7","10","9","3","4","9","1") = "9"
    & skf18("7","10","9","3","4","10","1") = "9"
    & skf18("7","10","9","3","5","1","1") = "9"
    & skf18("7","10","9","3","5","2","1") = "9"
    & skf18("7","10","9","3","5","3","1") = "9"
    & skf18("7","10","9","3","5","4","1") = "9"
    & skf18("7","10","9","3","5","5","1") = "9"
    & skf18("7","10","9","3","5","6","1") = "9"
    & skf18("7","10","9","3","5","7","1") = "9"
    & skf18("7","10","9","3","5","8","1") = "9"
    & skf18("7","10","9","3","5","9","1") = "9"
    & skf18("7","10","9","3","5","10","1") = "9"
    & skf18("7","10","9","3","6","1","1") = "9"
    & skf18("7","10","9","3","6","2","1") = "9"
    & skf18("7","10","9","3","6","3","1") = "9"
    & skf18("7","10","9","3","6","4","1") = "9"
    & skf18("7","10","9","3","6","5","1") = "9"
    & skf18("7","10","9","3","6","6","1") = "9"
    & skf18("7","10","9","3","6","7","1") = "9"
    & skf18("7","10","9","3","6","8","1") = "9"
    & skf18("7","10","9","3","6","9","1") = "9"
    & skf18("7","10","9","3","6","10","1") = "9"
    & skf18("7","10","9","3","7","1","1") = "9"
    & skf18("7","10","9","3","7","2","1") = "9"
    & skf18("7","10","9","3","7","3","1") = "9"
    & skf18("7","10","9","3","7","4","1") = "9"
    & skf18("7","10","9","3","7","5","1") = "9"
    & skf18("7","10","9","3","7","6","1") = "9"
    & skf18("7","10","9","3","7","7","1") = "9"
    & skf18("7","10","9","3","7","8","1") = "9"
    & skf18("7","10","9","3","7","9","1") = "9"
    & skf18("7","10","9","3","7","10","1") = "9"
    & skf18("7","10","9","3","8","1","1") = "9"
    & skf18("7","10","9","3","8","2","1") = "9"
    & skf18("7","10","9","3","8","3","1") = "9"
    & skf18("7","10","9","3","8","4","1") = "9"
    & skf18("7","10","9","3","8","5","1") = "9"
    & skf18("7","10","9","3","8","6","1") = "9"
    & skf18("7","10","9","3","8","7","1") = "9"
    & skf18("7","10","9","3","8","8","1") = "9"
    & skf18("7","10","9","3","8","9","1") = "9"
    & skf18("7","10","9","3","8","10","1") = "9"
    & skf18("7","10","9","3","9","1","1") = "9"
    & skf18("7","10","9","3","9","2","1") = "9"
    & skf18("7","10","9","3","9","3","1") = "9"
    & skf18("7","10","9","3","9","4","1") = "9"
    & skf18("7","10","9","3","9","5","1") = "9"
    & skf18("7","10","9","3","9","6","1") = "9"
    & skf18("7","10","9","3","9","7","1") = "9"
    & skf18("7","10","9","3","9","8","1") = "9"
    & skf18("7","10","9","3","9","9","1") = "9"
    & skf18("7","10","9","3","9","10","1") = "9"
    & skf18("7","10","9","3","10","1","1") = "9"
    & skf18("7","10","9","3","10","2","1") = "9"
    & skf18("7","10","9","3","10","3","1") = "9"
    & skf18("7","10","9","3","10","4","1") = "9"
    & skf18("7","10","9","3","10","5","1") = "9"
    & skf18("7","10","9","3","10","6","1") = "9"
    & skf18("7","10","9","3","10","7","1") = "9"
    & skf18("7","10","9","3","10","8","1") = "9"
    & skf18("7","10","9","3","10","9","1") = "9"
    & skf18("7","10","9","3","10","10","1") = "9"
    & skf18("7","10","9","4","1","1","1") = "9"
    & skf18("7","10","9","4","1","2","1") = "9"
    & skf18("7","10","9","4","1","3","1") = "9"
    & skf18("7","10","9","4","1","4","1") = "9"
    & skf18("7","10","9","4","1","5","1") = "9"
    & skf18("7","10","9","4","1","6","1") = "9"
    & skf18("7","10","9","4","1","7","1") = "9"
    & skf18("7","10","9","4","1","8","1") = "9"
    & skf18("7","10","9","4","1","9","1") = "9"
    & skf18("7","10","9","4","1","10","1") = "9"
    & skf18("7","10","9","4","2","1","1") = "9"
    & skf18("7","10","9","4","2","2","1") = "9"
    & skf18("7","10","9","4","2","3","1") = "9"
    & skf18("7","10","9","4","2","4","1") = "9"
    & skf18("7","10","9","4","2","5","1") = "9"
    & skf18("7","10","9","4","2","6","1") = "9"
    & skf18("7","10","9","4","2","7","1") = "9"
    & skf18("7","10","9","4","2","8","1") = "9"
    & skf18("7","10","9","4","2","9","1") = "9"
    & skf18("7","10","9","4","2","10","1") = "9"
    & skf18("7","10","9","4","3","1","1") = "9"
    & skf18("7","10","9","4","3","2","1") = "9"
    & skf18("7","10","9","4","3","3","1") = "9"
    & skf18("7","10","9","4","3","4","1") = "9"
    & skf18("7","10","9","4","3","5","1") = "9"
    & skf18("7","10","9","4","3","6","1") = "9"
    & skf18("7","10","9","4","3","7","1") = "9"
    & skf18("7","10","9","4","3","8","1") = "9"
    & skf18("7","10","9","4","3","9","1") = "9"
    & skf18("7","10","9","4","3","10","1") = "9"
    & skf18("7","10","9","4","4","1","1") = "9"
    & skf18("7","10","9","4","4","2","1") = "9"
    & skf18("7","10","9","4","4","3","1") = "9"
    & skf18("7","10","9","4","4","4","1") = "9"
    & skf18("7","10","9","4","4","5","1") = "9"
    & skf18("7","10","9","4","4","6","1") = "9"
    & skf18("7","10","9","4","4","7","1") = "9"
    & skf18("7","10","9","4","4","8","1") = "9"
    & skf18("7","10","9","4","4","9","1") = "9"
    & skf18("7","10","9","4","4","10","1") = "9"
    & skf18("7","10","9","4","5","1","1") = "9"
    & skf18("7","10","9","4","5","2","1") = "9"
    & skf18("7","10","9","4","5","3","1") = "9"
    & skf18("7","10","9","4","5","4","1") = "9"
    & skf18("7","10","9","4","5","5","1") = "9"
    & skf18("7","10","9","4","5","6","1") = "9"
    & skf18("7","10","9","4","5","7","1") = "9"
    & skf18("7","10","9","4","5","8","1") = "9"
    & skf18("7","10","9","4","5","9","1") = "9"
    & skf18("7","10","9","4","5","10","1") = "9"
    & skf18("7","10","9","4","6","1","1") = "9"
    & skf18("7","10","9","4","6","2","1") = "9"
    & skf18("7","10","9","4","6","3","1") = "9"
    & skf18("7","10","9","4","6","4","1") = "9"
    & skf18("7","10","9","4","6","5","1") = "9"
    & skf18("7","10","9","4","6","6","1") = "9"
    & skf18("7","10","9","4","6","7","1") = "9"
    & skf18("7","10","9","4","6","8","1") = "9"
    & skf18("7","10","9","4","6","9","1") = "9"
    & skf18("7","10","9","4","6","10","1") = "9"
    & skf18("7","10","9","4","7","1","1") = "9"
    & skf18("7","10","9","4","7","2","1") = "9"
    & skf18("7","10","9","4","7","3","1") = "9"
    & skf18("7","10","9","4","7","4","1") = "9"
    & skf18("7","10","9","4","7","5","1") = "9"
    & skf18("7","10","9","4","7","6","1") = "9"
    & skf18("7","10","9","4","7","7","1") = "9"
    & skf18("7","10","9","4","7","8","1") = "9"
    & skf18("7","10","9","4","7","9","1") = "9"
    & skf18("7","10","9","4","7","10","1") = "9"
    & skf18("7","10","9","4","8","1","1") = "9"
    & skf18("7","10","9","4","8","2","1") = "9"
    & skf18("7","10","9","4","8","3","1") = "9"
    & skf18("7","10","9","4","8","4","1") = "9"
    & skf18("7","10","9","4","8","5","1") = "9"
    & skf18("7","10","9","4","8","6","1") = "9"
    & skf18("7","10","9","4","8","7","1") = "9"
    & skf18("7","10","9","4","8","8","1") = "9"
    & skf18("7","10","9","4","8","9","1") = "9"
    & skf18("7","10","9","4","8","10","1") = "9"
    & skf18("7","10","9","4","9","1","1") = "9"
    & skf18("7","10","9","4","9","2","1") = "9"
    & skf18("7","10","9","4","9","3","1") = "9"
    & skf18("7","10","9","4","9","4","1") = "9"
    & skf18("7","10","9","4","9","5","1") = "9"
    & skf18("7","10","9","4","9","6","1") = "9"
    & skf18("7","10","9","4","9","7","1") = "9"
    & skf18("7","10","9","4","9","8","1") = "9"
    & skf18("7","10","9","4","9","9","1") = "9"
    & skf18("7","10","9","4","9","10","1") = "9"
    & skf18("7","10","9","4","10","1","1") = "9"
    & skf18("7","10","9","4","10","2","1") = "9"
    & skf18("7","10","9","4","10","3","1") = "9"
    & skf18("7","10","9","4","10","4","1") = "9"
    & skf18("7","10","9","4","10","5","1") = "9"
    & skf18("7","10","9","4","10","6","1") = "9"
    & skf18("7","10","9","4","10","7","1") = "9"
    & skf18("7","10","9","4","10","8","1") = "9"
    & skf18("7","10","9","4","10","9","1") = "9"
    & skf18("7","10","9","4","10","10","1") = "9"
    & skf18("7","10","9","5","1","1","1") = "9"
    & skf18("7","10","9","5","1","2","1") = "9"
    & skf18("7","10","9","5","1","3","1") = "9"
    & skf18("7","10","9","5","1","4","1") = "9"
    & skf18("7","10","9","5","1","5","1") = "9"
    & skf18("7","10","9","5","1","6","1") = "9"
    & skf18("7","10","9","5","1","7","1") = "9"
    & skf18("7","10","9","5","1","8","1") = "9"
    & skf18("7","10","9","5","1","9","1") = "9"
    & skf18("7","10","9","5","1","10","1") = "9"
    & skf18("7","10","9","5","2","1","1") = "9"
    & skf18("7","10","9","5","2","2","1") = "9"
    & skf18("7","10","9","5","2","3","1") = "9"
    & skf18("7","10","9","5","2","4","1") = "9"
    & skf18("7","10","9","5","2","5","1") = "9"
    & skf18("7","10","9","5","2","6","1") = "9"
    & skf18("7","10","9","5","2","7","1") = "9"
    & skf18("7","10","9","5","2","8","1") = "9"
    & skf18("7","10","9","5","2","9","1") = "9"
    & skf18("7","10","9","5","2","10","1") = "9"
    & skf18("7","10","9","5","3","1","1") = "9"
    & skf18("7","10","9","5","3","2","1") = "9"
    & skf18("7","10","9","5","3","3","1") = "9"
    & skf18("7","10","9","5","3","4","1") = "9"
    & skf18("7","10","9","5","3","5","1") = "9"
    & skf18("7","10","9","5","3","6","1") = "9"
    & skf18("7","10","9","5","3","7","1") = "9"
    & skf18("7","10","9","5","3","8","1") = "9"
    & skf18("7","10","9","5","3","9","1") = "9"
    & skf18("7","10","9","5","3","10","1") = "9"
    & skf18("7","10","9","5","4","1","1") = "9"
    & skf18("7","10","9","5","4","2","1") = "9"
    & skf18("7","10","9","5","4","3","1") = "9"
    & skf18("7","10","9","5","4","4","1") = "9"
    & skf18("7","10","9","5","4","5","1") = "9"
    & skf18("7","10","9","5","4","6","1") = "9"
    & skf18("7","10","9","5","4","7","1") = "9"
    & skf18("7","10","9","5","4","8","1") = "9"
    & skf18("7","10","9","5","4","9","1") = "9"
    & skf18("7","10","9","5","4","10","1") = "9"
    & skf18("7","10","9","5","5","1","1") = "9"
    & skf18("7","10","9","5","5","2","1") = "9"
    & skf18("7","10","9","5","5","3","1") = "9"
    & skf18("7","10","9","5","5","4","1") = "9"
    & skf18("7","10","9","5","5","5","1") = "9"
    & skf18("7","10","9","5","5","6","1") = "9"
    & skf18("7","10","9","5","5","7","1") = "9"
    & skf18("7","10","9","5","5","8","1") = "9"
    & skf18("7","10","9","5","5","9","1") = "9"
    & skf18("7","10","9","5","5","10","1") = "9"
    & skf18("7","10","9","5","6","1","1") = "9"
    & skf18("7","10","9","5","6","2","1") = "9"
    & skf18("7","10","9","5","6","3","1") = "9"
    & skf18("7","10","9","5","6","4","1") = "9"
    & skf18("7","10","9","5","6","5","1") = "9"
    & skf18("7","10","9","5","6","6","1") = "9"
    & skf18("7","10","9","5","6","7","1") = "9"
    & skf18("7","10","9","5","6","8","1") = "9"
    & skf18("7","10","9","5","6","9","1") = "9"
    & skf18("7","10","9","5","6","10","1") = "9"
    & skf18("7","10","9","5","7","1","1") = "9"
    & skf18("7","10","9","5","7","2","1") = "9"
    & skf18("7","10","9","5","7","3","1") = "9"
    & skf18("7","10","9","5","7","4","1") = "9"
    & skf18("7","10","9","5","7","5","1") = "9"
    & skf18("7","10","9","5","7","6","1") = "9"
    & skf18("7","10","9","5","7","7","1") = "9"
    & skf18("7","10","9","5","7","8","1") = "9"
    & skf18("7","10","9","5","7","9","1") = "9"
    & skf18("7","10","9","5","7","10","1") = "9"
    & skf18("7","10","9","5","8","1","1") = "9"
    & skf18("7","10","9","5","8","2","1") = "9"
    & skf18("7","10","9","5","8","3","1") = "9"
    & skf18("7","10","9","5","8","4","1") = "9"
    & skf18("7","10","9","5","8","5","1") = "9"
    & skf18("7","10","9","5","8","6","1") = "9"
    & skf18("7","10","9","5","8","7","1") = "9"
    & skf18("7","10","9","5","8","8","1") = "9"
    & skf18("7","10","9","5","8","9","1") = "9"
    & skf18("7","10","9","5","8","10","1") = "9"
    & skf18("7","10","9","5","9","1","1") = "9"
    & skf18("7","10","9","5","9","2","1") = "9"
    & skf18("7","10","9","5","9","3","1") = "9"
    & skf18("7","10","9","5","9","4","1") = "9"
    & skf18("7","10","9","5","9","5","1") = "9"
    & skf18("7","10","9","5","9","6","1") = "9"
    & skf18("7","10","9","5","9","7","1") = "9"
    & skf18("7","10","9","5","9","8","1") = "9"
    & skf18("7","10","9","5","9","9","1") = "9"
    & skf18("7","10","9","5","9","10","1") = "9"
    & skf18("7","10","9","5","10","1","1") = "9"
    & skf18("7","10","9","5","10","2","1") = "9"
    & skf18("7","10","9","5","10","3","1") = "9"
    & skf18("7","10","9","5","10","4","1") = "9"
    & skf18("7","10","9","5","10","5","1") = "9"
    & skf18("7","10","9","5","10","6","1") = "9"
    & skf18("7","10","9","5","10","7","1") = "9"
    & skf18("7","10","9","5","10","8","1") = "9"
    & skf18("7","10","9","5","10","9","1") = "9"
    & skf18("7","10","9","5","10","10","1") = "9"
    & skf18("7","10","9","6","1","1","1") = "9"
    & skf18("7","10","9","6","1","2","1") = "9"
    & skf18("7","10","9","6","1","3","1") = "9"
    & skf18("7","10","9","6","1","4","1") = "9"
    & skf18("7","10","9","6","1","5","1") = "9"
    & skf18("7","10","9","6","1","6","1") = "9"
    & skf18("7","10","9","6","1","7","1") = "9"
    & skf18("7","10","9","6","1","8","1") = "9"
    & skf18("7","10","9","6","1","9","1") = "9"
    & skf18("7","10","9","6","1","10","1") = "9"
    & skf18("7","10","9","6","2","1","1") = "9"
    & skf18("7","10","9","6","2","2","1") = "9"
    & skf18("7","10","9","6","2","3","1") = "9"
    & skf18("7","10","9","6","2","4","1") = "9"
    & skf18("7","10","9","6","2","5","1") = "9"
    & skf18("7","10","9","6","2","6","1") = "9"
    & skf18("7","10","9","6","2","7","1") = "9"
    & skf18("7","10","9","6","2","8","1") = "9"
    & skf18("7","10","9","6","2","9","1") = "9"
    & skf18("7","10","9","6","2","10","1") = "9"
    & skf18("7","10","9","6","3","1","1") = "9"
    & skf18("7","10","9","6","3","2","1") = "9"
    & skf18("7","10","9","6","3","3","1") = "9"
    & skf18("7","10","9","6","3","4","1") = "9"
    & skf18("7","10","9","6","3","5","1") = "9"
    & skf18("7","10","9","6","3","6","1") = "9"
    & skf18("7","10","9","6","3","7","1") = "9"
    & skf18("7","10","9","6","3","8","1") = "9"
    & skf18("7","10","9","6","3","9","1") = "9"
    & skf18("7","10","9","6","3","10","1") = "9"
    & skf18("7","10","9","6","4","1","1") = "9"
    & skf18("7","10","9","6","4","2","1") = "9"
    & skf18("7","10","9","6","4","3","1") = "9"
    & skf18("7","10","9","6","4","4","1") = "9"
    & skf18("7","10","9","6","4","5","1") = "9"
    & skf18("7","10","9","6","4","6","1") = "9"
    & skf18("7","10","9","6","4","7","1") = "9"
    & skf18("7","10","9","6","4","8","1") = "9"
    & skf18("7","10","9","6","4","9","1") = "9"
    & skf18("7","10","9","6","4","10","1") = "9"
    & skf18("7","10","9","6","5","1","1") = "9"
    & skf18("7","10","9","6","5","2","1") = "9"
    & skf18("7","10","9","6","5","3","1") = "9"
    & skf18("7","10","9","6","5","4","1") = "9"
    & skf18("7","10","9","6","5","5","1") = "9"
    & skf18("7","10","9","6","5","6","1") = "9"
    & skf18("7","10","9","6","5","7","1") = "9"
    & skf18("7","10","9","6","5","8","1") = "9"
    & skf18("7","10","9","6","5","9","1") = "9"
    & skf18("7","10","9","6","5","10","1") = "9"
    & skf18("7","10","9","6","6","1","1") = "9"
    & skf18("7","10","9","6","6","2","1") = "9"
    & skf18("7","10","9","6","6","3","1") = "9"
    & skf18("7","10","9","6","6","4","1") = "9"
    & skf18("7","10","9","6","6","5","1") = "9"
    & skf18("7","10","9","6","6","6","1") = "9"
    & skf18("7","10","9","6","6","7","1") = "9"
    & skf18("7","10","9","6","6","8","1") = "9"
    & skf18("7","10","9","6","6","9","1") = "9"
    & skf18("7","10","9","6","6","10","1") = "9"
    & skf18("7","10","9","6","7","1","1") = "9"
    & skf18("7","10","9","6","7","2","1") = "9"
    & skf18("7","10","9","6","7","3","1") = "9"
    & skf18("7","10","9","6","7","4","1") = "9"
    & skf18("7","10","9","6","7","5","1") = "9"
    & skf18("7","10","9","6","7","6","1") = "9"
    & skf18("7","10","9","6","7","7","1") = "9"
    & skf18("7","10","9","6","7","8","1") = "9"
    & skf18("7","10","9","6","7","9","1") = "9"
    & skf18("7","10","9","6","7","10","1") = "9"
    & skf18("7","10","9","6","8","1","1") = "9"
    & skf18("7","10","9","6","8","2","1") = "9"
    & skf18("7","10","9","6","8","3","1") = "9"
    & skf18("7","10","9","6","8","4","1") = "9"
    & skf18("7","10","9","6","8","5","1") = "9"
    & skf18("7","10","9","6","8","6","1") = "9"
    & skf18("7","10","9","6","8","7","1") = "9"
    & skf18("7","10","9","6","8","8","1") = "9"
    & skf18("7","10","9","6","8","9","1") = "9"
    & skf18("7","10","9","6","8","10","1") = "9"
    & skf18("7","10","9","6","9","1","1") = "9"
    & skf18("7","10","9","6","9","2","1") = "9"
    & skf18("7","10","9","6","9","3","1") = "9"
    & skf18("7","10","9","6","9","4","1") = "9"
    & skf18("7","10","9","6","9","5","1") = "9"
    & skf18("7","10","9","6","9","6","1") = "9"
    & skf18("7","10","9","6","9","7","1") = "9"
    & skf18("7","10","9","6","9","8","1") = "9"
    & skf18("7","10","9","6","9","9","1") = "9"
    & skf18("7","10","9","6","9","10","1") = "9"
    & skf18("7","10","9","6","10","1","1") = "9"
    & skf18("7","10","9","6","10","2","1") = "9"
    & skf18("7","10","9","6","10","3","1") = "9"
    & skf18("7","10","9","6","10","4","1") = "9"
    & skf18("7","10","9","6","10","5","1") = "9"
    & skf18("7","10","9","6","10","6","1") = "9"
    & skf18("7","10","9","6","10","7","1") = "9"
    & skf18("7","10","9","6","10","8","1") = "9"
    & skf18("7","10","9","6","10","9","1") = "9"
    & skf18("7","10","9","6","10","10","1") = "9"
    & skf18("7","10","9","7","1","1","1") = "9"
    & skf18("7","10","9","7","1","2","1") = "9"
    & skf18("7","10","9","7","1","3","1") = "9"
    & skf18("7","10","9","7","1","4","1") = "9"
    & skf18("7","10","9","7","1","5","1") = "9"
    & skf18("7","10","9","7","1","6","1") = "9"
    & skf18("7","10","9","7","1","7","1") = "9"
    & skf18("7","10","9","7","1","8","1") = "9"
    & skf18("7","10","9","7","1","9","1") = "9"
    & skf18("7","10","9","7","1","10","1") = "9"
    & skf18("7","10","9","7","2","1","1") = "9"
    & skf18("7","10","9","7","2","2","1") = "9"
    & skf18("7","10","9","7","2","3","1") = "9"
    & skf18("7","10","9","7","2","4","1") = "9"
    & skf18("7","10","9","7","2","5","1") = "9"
    & skf18("7","10","9","7","2","6","1") = "9"
    & skf18("7","10","9","7","2","7","1") = "9"
    & skf18("7","10","9","7","2","8","1") = "9"
    & skf18("7","10","9","7","2","9","1") = "9"
    & skf18("7","10","9","7","2","10","1") = "9"
    & skf18("7","10","9","7","3","1","1") = "9"
    & skf18("7","10","9","7","3","2","1") = "9"
    & skf18("7","10","9","7","3","3","1") = "9"
    & skf18("7","10","9","7","3","4","1") = "9"
    & skf18("7","10","9","7","3","5","1") = "9"
    & skf18("7","10","9","7","3","6","1") = "9"
    & skf18("7","10","9","7","3","7","1") = "9"
    & skf18("7","10","9","7","3","8","1") = "9"
    & skf18("7","10","9","7","3","9","1") = "9"
    & skf18("7","10","9","7","3","10","1") = "9"
    & skf18("7","10","9","7","4","1","1") = "9"
    & skf18("7","10","9","7","4","2","1") = "9"
    & skf18("7","10","9","7","4","3","1") = "9"
    & skf18("7","10","9","7","4","4","1") = "9"
    & skf18("7","10","9","7","4","5","1") = "9"
    & skf18("7","10","9","7","4","6","1") = "9"
    & skf18("7","10","9","7","4","7","1") = "9"
    & skf18("7","10","9","7","4","8","1") = "9"
    & skf18("7","10","9","7","4","9","1") = "9"
    & skf18("7","10","9","7","4","10","1") = "9"
    & skf18("7","10","9","7","5","1","1") = "9"
    & skf18("7","10","9","7","5","2","1") = "9"
    & skf18("7","10","9","7","5","3","1") = "9"
    & skf18("7","10","9","7","5","4","1") = "9"
    & skf18("7","10","9","7","5","5","1") = "9"
    & skf18("7","10","9","7","5","6","1") = "9"
    & skf18("7","10","9","7","5","7","1") = "9"
    & skf18("7","10","9","7","5","8","1") = "9"
    & skf18("7","10","9","7","5","9","1") = "9"
    & skf18("7","10","9","7","5","10","1") = "9"
    & skf18("7","10","9","7","6","1","1") = "9"
    & skf18("7","10","9","7","6","2","1") = "9"
    & skf18("7","10","9","7","6","3","1") = "9"
    & skf18("7","10","9","7","6","4","1") = "9"
    & skf18("7","10","9","7","6","5","1") = "9"
    & skf18("7","10","9","7","6","6","1") = "9"
    & skf18("7","10","9","7","6","7","1") = "9"
    & skf18("7","10","9","7","6","8","1") = "9"
    & skf18("7","10","9","7","6","9","1") = "9"
    & skf18("7","10","9","7","6","10","1") = "9"
    & skf18("7","10","9","7","7","1","1") = "9"
    & skf18("7","10","9","7","7","2","1") = "9"
    & skf18("7","10","9","7","7","3","1") = "9"
    & skf18("7","10","9","7","7","4","1") = "9"
    & skf18("7","10","9","7","7","5","1") = "9"
    & skf18("7","10","9","7","7","6","1") = "9"
    & skf18("7","10","9","7","7","7","1") = "9"
    & skf18("7","10","9","7","7","8","1") = "9"
    & skf18("7","10","9","7","7","9","1") = "9"
    & skf18("7","10","9","7","7","10","1") = "9"
    & skf18("7","10","9","7","8","1","1") = "9"
    & skf18("7","10","9","7","8","2","1") = "9"
    & skf18("7","10","9","7","8","3","1") = "9"
    & skf18("7","10","9","7","8","4","1") = "9"
    & skf18("7","10","9","7","8","5","1") = "9"
    & skf18("7","10","9","7","8","6","1") = "9"
    & skf18("7","10","9","7","8","7","1") = "9"
    & skf18("7","10","9","7","8","8","1") = "9"
    & skf18("7","10","9","7","8","9","1") = "9"
    & skf18("7","10","9","7","8","10","1") = "9"
    & skf18("7","10","9","7","9","1","1") = "9"
    & skf18("7","10","9","7","9","2","1") = "9"
    & skf18("7","10","9","7","9","3","1") = "9"
    & skf18("7","10","9","7","9","4","1") = "9"
    & skf18("7","10","9","7","9","5","1") = "9"
    & skf18("7","10","9","7","9","6","1") = "9"
    & skf18("7","10","9","7","9","7","1") = "9"
    & skf18("7","10","9","7","9","8","1") = "9"
    & skf18("7","10","9","7","9","9","1") = "9"
    & skf18("7","10","9","7","9","10","1") = "9"
    & skf18("7","10","9","7","10","1","1") = "9"
    & skf18("7","10","9","7","10","2","1") = "9"
    & skf18("7","10","9","7","10","3","1") = "9"
    & skf18("7","10","9","7","10","4","1") = "9"
    & skf18("7","10","9","7","10","5","1") = "9"
    & skf18("7","10","9","7","10","6","1") = "9"
    & skf18("7","10","9","7","10","7","1") = "9"
    & skf18("7","10","9","7","10","8","1") = "9"
    & skf18("7","10","9","7","10","9","1") = "9"
    & skf18("7","10","9","7","10","10","1") = "9"
    & skf18("7","10","9","8","1","1","1") = "9"
    & skf18("7","10","9","8","1","2","1") = "9"
    & skf18("7","10","9","8","1","3","1") = "9"
    & skf18("7","10","9","8","1","4","1") = "9"
    & skf18("7","10","9","8","1","5","1") = "9"
    & skf18("7","10","9","8","1","6","1") = "9"
    & skf18("7","10","9","8","1","7","1") = "9"
    & skf18("7","10","9","8","1","8","1") = "9"
    & skf18("7","10","9","8","1","9","1") = "9"
    & skf18("7","10","9","8","1","10","1") = "9"
    & skf18("7","10","9","8","2","1","1") = "9"
    & skf18("7","10","9","8","2","2","1") = "9"
    & skf18("7","10","9","8","2","3","1") = "9"
    & skf18("7","10","9","8","2","4","1") = "9"
    & skf18("7","10","9","8","2","5","1") = "9"
    & skf18("7","10","9","8","2","6","1") = "9"
    & skf18("7","10","9","8","2","7","1") = "9"
    & skf18("7","10","9","8","2","8","1") = "9"
    & skf18("7","10","9","8","2","9","1") = "9"
    & skf18("7","10","9","8","2","10","1") = "9"
    & skf18("7","10","9","8","3","1","1") = "9"
    & skf18("7","10","9","8","3","2","1") = "9"
    & skf18("7","10","9","8","3","3","1") = "9"
    & skf18("7","10","9","8","3","4","1") = "9"
    & skf18("7","10","9","8","3","5","1") = "9"
    & skf18("7","10","9","8","3","6","1") = "9"
    & skf18("7","10","9","8","3","7","1") = "9"
    & skf18("7","10","9","8","3","8","1") = "9"
    & skf18("7","10","9","8","3","9","1") = "9"
    & skf18("7","10","9","8","3","10","1") = "9"
    & skf18("7","10","9","8","4","1","1") = "9"
    & skf18("7","10","9","8","4","2","1") = "9"
    & skf18("7","10","9","8","4","3","1") = "9"
    & skf18("7","10","9","8","4","4","1") = "9"
    & skf18("7","10","9","8","4","5","1") = "9"
    & skf18("7","10","9","8","4","6","1") = "9"
    & skf18("7","10","9","8","4","7","1") = "9"
    & skf18("7","10","9","8","4","8","1") = "9"
    & skf18("7","10","9","8","4","9","1") = "9"
    & skf18("7","10","9","8","4","10","1") = "9"
    & skf18("7","10","9","8","5","1","1") = "9"
    & skf18("7","10","9","8","5","2","1") = "9"
    & skf18("7","10","9","8","5","3","1") = "9"
    & skf18("7","10","9","8","5","4","1") = "9"
    & skf18("7","10","9","8","5","5","1") = "9"
    & skf18("7","10","9","8","5","6","1") = "9"
    & skf18("7","10","9","8","5","7","1") = "9"
    & skf18("7","10","9","8","5","8","1") = "9"
    & skf18("7","10","9","8","5","9","1") = "9"
    & skf18("7","10","9","8","5","10","1") = "9"
    & skf18("7","10","9","8","6","1","1") = "9"
    & skf18("7","10","9","8","6","2","1") = "9"
    & skf18("7","10","9","8","6","3","1") = "9"
    & skf18("7","10","9","8","6","4","1") = "9"
    & skf18("7","10","9","8","6","5","1") = "9"
    & skf18("7","10","9","8","6","6","1") = "9"
    & skf18("7","10","9","8","6","7","1") = "9"
    & skf18("7","10","9","8","6","8","1") = "9"
    & skf18("7","10","9","8","6","9","1") = "9"
    & skf18("7","10","9","8","6","10","1") = "9"
    & skf18("7","10","9","8","7","1","1") = "9"
    & skf18("7","10","9","8","7","2","1") = "9"
    & skf18("7","10","9","8","7","3","1") = "9"
    & skf18("7","10","9","8","7","4","1") = "9"
    & skf18("7","10","9","8","7","5","1") = "9"
    & skf18("7","10","9","8","7","6","1") = "9"
    & skf18("7","10","9","8","7","7","1") = "9"
    & skf18("7","10","9","8","7","8","1") = "9"
    & skf18("7","10","9","8","7","9","1") = "9"
    & skf18("7","10","9","8","7","10","1") = "9"
    & skf18("7","10","9","8","8","1","1") = "9"
    & skf18("7","10","9","8","8","2","1") = "9"
    & skf18("7","10","9","8","8","3","1") = "9"
    & skf18("7","10","9","8","8","4","1") = "9"
    & skf18("7","10","9","8","8","5","1") = "9"
    & skf18("7","10","9","8","8","6","1") = "9"
    & skf18("7","10","9","8","8","7","1") = "9"
    & skf18("7","10","9","8","8","8","1") = "9"
    & skf18("7","10","9","8","8","9","1") = "9"
    & skf18("7","10","9","8","8","10","1") = "9"
    & skf18("7","10","9","8","9","1","1") = "9"
    & skf18("7","10","9","8","9","2","1") = "9"
    & skf18("7","10","9","8","9","3","1") = "9"
    & skf18("7","10","9","8","9","4","1") = "9"
    & skf18("7","10","9","8","9","5","1") = "9"
    & skf18("7","10","9","8","9","6","1") = "9"
    & skf18("7","10","9","8","9","7","1") = "9"
    & skf18("7","10","9","8","9","8","1") = "9"
    & skf18("7","10","9","8","9","9","1") = "9"
    & skf18("7","10","9","8","9","10","1") = "9"
    & skf18("7","10","9","8","10","1","1") = "9"
    & skf18("7","10","9","8","10","2","1") = "9"
    & skf18("7","10","9","8","10","3","1") = "9"
    & skf18("7","10","9","8","10","4","1") = "9"
    & skf18("7","10","9","8","10","5","1") = "9"
    & skf18("7","10","9","8","10","6","1") = "9"
    & skf18("7","10","9","8","10","7","1") = "9"
    & skf18("7","10","9","8","10","8","1") = "9"
    & skf18("7","10","9","8","10","9","1") = "9"
    & skf18("7","10","9","8","10","10","1") = "9"
    & skf18("7","10","9","9","1","1","1") = "9"
    & skf18("7","10","9","9","1","2","1") = "9"
    & skf18("7","10","9","9","1","3","1") = "9"
    & skf18("7","10","9","9","1","4","1") = "9"
    & skf18("7","10","9","9","1","5","1") = "9"
    & skf18("7","10","9","9","1","6","1") = "9"
    & skf18("7","10","9","9","1","7","1") = "9"
    & skf18("7","10","9","9","1","8","1") = "9"
    & skf18("7","10","9","9","1","9","1") = "9"
    & skf18("7","10","9","9","1","10","1") = "9"
    & skf18("7","10","9","9","2","1","1") = "9"
    & skf18("7","10","9","9","2","2","1") = "9"
    & skf18("7","10","9","9","2","3","1") = "9"
    & skf18("7","10","9","9","2","4","1") = "9"
    & skf18("7","10","9","9","2","5","1") = "9"
    & skf18("7","10","9","9","2","6","1") = "9"
    & skf18("7","10","9","9","2","7","1") = "9"
    & skf18("7","10","9","9","2","8","1") = "9"
    & skf18("7","10","9","9","2","9","1") = "9"
    & skf18("7","10","9","9","2","10","1") = "9"
    & skf18("7","10","9","9","3","1","1") = "9"
    & skf18("7","10","9","9","3","2","1") = "9"
    & skf18("7","10","9","9","3","3","1") = "9"
    & skf18("7","10","9","9","3","4","1") = "9"
    & skf18("7","10","9","9","3","5","1") = "9"
    & skf18("7","10","9","9","3","6","1") = "9"
    & skf18("7","10","9","9","3","7","1") = "9"
    & skf18("7","10","9","9","3","8","1") = "9"
    & skf18("7","10","9","9","3","9","1") = "9"
    & skf18("7","10","9","9","3","10","1") = "9"
    & skf18("7","10","9","9","4","1","1") = "9"
    & skf18("7","10","9","9","4","2","1") = "9"
    & skf18("7","10","9","9","4","3","1") = "9"
    & skf18("7","10","9","9","4","4","1") = "9"
    & skf18("7","10","9","9","4","5","1") = "9"
    & skf18("7","10","9","9","4","6","1") = "9"
    & skf18("7","10","9","9","4","7","1") = "9"
    & skf18("7","10","9","9","4","8","1") = "9"
    & skf18("7","10","9","9","4","9","1") = "9"
    & skf18("7","10","9","9","4","10","1") = "9"
    & skf18("7","10","9","9","5","1","1") = "9"
    & skf18("7","10","9","9","5","2","1") = "9"
    & skf18("7","10","9","9","5","3","1") = "9"
    & skf18("7","10","9","9","5","4","1") = "9"
    & skf18("7","10","9","9","5","5","1") = "9"
    & skf18("7","10","9","9","5","6","1") = "9"
    & skf18("7","10","9","9","5","7","1") = "9"
    & skf18("7","10","9","9","5","8","1") = "9"
    & skf18("7","10","9","9","5","9","1") = "9"
    & skf18("7","10","9","9","5","10","1") = "9"
    & skf18("7","10","9","9","6","1","1") = "9"
    & skf18("7","10","9","9","6","2","1") = "9"
    & skf18("7","10","9","9","6","3","1") = "9"
    & skf18("7","10","9","9","6","4","1") = "9"
    & skf18("7","10","9","9","6","5","1") = "9"
    & skf18("7","10","9","9","6","6","1") = "9"
    & skf18("7","10","9","9","6","7","1") = "9"
    & skf18("7","10","9","9","6","8","1") = "9"
    & skf18("7","10","9","9","6","9","1") = "9"
    & skf18("7","10","9","9","6","10","1") = "9"
    & skf18("7","10","9","9","7","1","1") = "9"
    & skf18("7","10","9","9","7","2","1") = "9"
    & skf18("7","10","9","9","7","3","1") = "9"
    & skf18("7","10","9","9","7","4","1") = "9"
    & skf18("7","10","9","9","7","5","1") = "9"
    & skf18("7","10","9","9","7","6","1") = "9"
    & skf18("7","10","9","9","7","7","1") = "9"
    & skf18("7","10","9","9","7","8","1") = "9"
    & skf18("7","10","9","9","7","9","1") = "9"
    & skf18("7","10","9","9","7","10","1") = "9"
    & skf18("7","10","9","9","8","1","1") = "9"
    & skf18("7","10","9","9","8","2","1") = "9"
    & skf18("7","10","9","9","8","3","1") = "9"
    & skf18("7","10","9","9","8","4","1") = "9"
    & skf18("7","10","9","9","8","5","1") = "9"
    & skf18("7","10","9","9","8","6","1") = "9"
    & skf18("7","10","9","9","8","7","1") = "9"
    & skf18("7","10","9","9","8","8","1") = "9"
    & skf18("7","10","9","9","8","9","1") = "9"
    & skf18("7","10","9","9","8","10","1") = "9"
    & skf18("7","10","9","9","9","1","1") = "9"
    & skf18("7","10","9","9","9","2","1") = "9"
    & skf18("7","10","9","9","9","3","1") = "9"
    & skf18("7","10","9","9","9","4","1") = "9"
    & skf18("7","10","9","9","9","5","1") = "9"
    & skf18("7","10","9","9","9","6","1") = "9"
    & skf18("7","10","9","9","9","7","1") = "9"
    & skf18("7","10","9","9","9","8","1") = "9"
    & skf18("7","10","9","9","9","9","1") = "9"
    & skf18("7","10","9","9","9","10","1") = "9"
    & skf18("7","10","9","9","10","1","1") = "9"
    & skf18("7","10","9","9","10","2","1") = "9"
    & skf18("7","10","9","9","10","3","1") = "9"
    & skf18("7","10","9","9","10","4","1") = "9"
    & skf18("7","10","9","9","10","5","1") = "9"
    & skf18("7","10","9","9","10","6","1") = "9"
    & skf18("7","10","9","9","10","7","1") = "9"
    & skf18("7","10","9","9","10","8","1") = "9"
    & skf18("7","10","9","9","10","9","1") = "9"
    & skf18("7","10","9","9","10","10","1") = "9"
    & skf18("7","10","9","10","1","1","1") = "9"
    & skf18("7","10","9","10","1","2","1") = "9"
    & skf18("7","10","9","10","1","3","1") = "9"
    & skf18("7","10","9","10","1","4","1") = "9"
    & skf18("7","10","9","10","1","5","1") = "9"
    & skf18("7","10","9","10","1","6","1") = "9"
    & skf18("7","10","9","10","1","7","1") = "9"
    & skf18("7","10","9","10","1","8","1") = "9"
    & skf18("7","10","9","10","1","9","1") = "9"
    & skf18("7","10","9","10","1","10","1") = "9"
    & skf18("7","10","9","10","2","1","1") = "9"
    & skf18("7","10","9","10","2","2","1") = "9"
    & skf18("7","10","9","10","2","3","1") = "9"
    & skf18("7","10","9","10","2","4","1") = "9"
    & skf18("7","10","9","10","2","5","1") = "9"
    & skf18("7","10","9","10","2","6","1") = "9"
    & skf18("7","10","9","10","2","7","1") = "9"
    & skf18("7","10","9","10","2","8","1") = "9"
    & skf18("7","10","9","10","2","9","1") = "9"
    & skf18("7","10","9","10","2","10","1") = "9"
    & skf18("7","10","9","10","3","1","1") = "9"
    & skf18("7","10","9","10","3","2","1") = "9"
    & skf18("7","10","9","10","3","3","1") = "9"
    & skf18("7","10","9","10","3","4","1") = "9"
    & skf18("7","10","9","10","3","5","1") = "9"
    & skf18("7","10","9","10","3","6","1") = "9"
    & skf18("7","10","9","10","3","7","1") = "9"
    & skf18("7","10","9","10","3","8","1") = "9"
    & skf18("7","10","9","10","3","9","1") = "9"
    & skf18("7","10","9","10","3","10","1") = "9"
    & skf18("7","10","9","10","4","1","1") = "9"
    & skf18("7","10","9","10","4","2","1") = "9"
    & skf18("7","10","9","10","4","3","1") = "9"
    & skf18("7","10","9","10","4","4","1") = "9"
    & skf18("7","10","9","10","4","5","1") = "9"
    & skf18("7","10","9","10","4","6","1") = "9"
    & skf18("7","10","9","10","4","7","1") = "9"
    & skf18("7","10","9","10","4","8","1") = "9"
    & skf18("7","10","9","10","4","9","1") = "9"
    & skf18("7","10","9","10","4","10","1") = "9"
    & skf18("7","10","9","10","5","1","1") = "9"
    & skf18("7","10","9","10","5","2","1") = "9"
    & skf18("7","10","9","10","5","3","1") = "9"
    & skf18("7","10","9","10","5","4","1") = "9"
    & skf18("7","10","9","10","5","5","1") = "9"
    & skf18("7","10","9","10","5","6","1") = "9"
    & skf18("7","10","9","10","5","7","1") = "9"
    & skf18("7","10","9","10","5","8","1") = "9"
    & skf18("7","10","9","10","5","9","1") = "9"
    & skf18("7","10","9","10","5","10","1") = "9"
    & skf18("7","10","9","10","6","1","1") = "9"
    & skf18("7","10","9","10","6","2","1") = "9"
    & skf18("7","10","9","10","6","3","1") = "9"
    & skf18("7","10","9","10","6","4","1") = "9"
    & skf18("7","10","9","10","6","5","1") = "9"
    & skf18("7","10","9","10","6","6","1") = "9"
    & skf18("7","10","9","10","6","7","1") = "9"
    & skf18("7","10","9","10","6","8","1") = "9"
    & skf18("7","10","9","10","6","9","1") = "9"
    & skf18("7","10","9","10","6","10","1") = "9"
    & skf18("7","10","9","10","7","1","1") = "9"
    & skf18("7","10","9","10","7","2","1") = "9"
    & skf18("7","10","9","10","7","3","1") = "9"
    & skf18("7","10","9","10","7","4","1") = "9"
    & skf18("7","10","9","10","7","5","1") = "9"
    & skf18("7","10","9","10","7","6","1") = "9"
    & skf18("7","10","9","10","7","7","1") = "9"
    & skf18("7","10","9","10","7","8","1") = "9"
    & skf18("7","10","9","10","7","9","1") = "9"
    & skf18("7","10","9","10","7","10","1") = "9"
    & skf18("7","10","9","10","8","1","1") = "9"
    & skf18("7","10","9","10","8","2","1") = "9"
    & skf18("7","10","9","10","8","3","1") = "9"
    & skf18("7","10","9","10","8","4","1") = "9"
    & skf18("7","10","9","10","8","5","1") = "9"
    & skf18("7","10","9","10","8","6","1") = "9"
    & skf18("7","10","9","10","8","7","1") = "9"
    & skf18("7","10","9","10","8","8","1") = "9"
    & skf18("7","10","9","10","8","9","1") = "9"
    & skf18("7","10","9","10","8","10","1") = "9"
    & skf18("7","10","9","10","9","1","1") = "9"
    & skf18("7","10","9","10","9","2","1") = "9"
    & skf18("7","10","9","10","9","3","1") = "9"
    & skf18("7","10","9","10","9","4","1") = "9"
    & skf18("7","10","9","10","9","5","1") = "9"
    & skf18("7","10","9","10","9","6","1") = "9"
    & skf18("7","10","9","10","9","7","1") = "9"
    & skf18("7","10","9","10","9","8","1") = "9"
    & skf18("7","10","9","10","9","9","1") = "9"
    & skf18("7","10","9","10","9","10","1") = "9"
    & skf18("7","10","9","10","10","1","1") = "9"
    & skf18("7","10","9","10","10","2","1") = "9"
    & skf18("7","10","9","10","10","3","1") = "9"
    & skf18("7","10","9","10","10","4","1") = "9"
    & skf18("7","10","9","10","10","5","1") = "9"
    & skf18("7","10","9","10","10","6","1") = "9"
    & skf18("7","10","9","10","10","7","1") = "9"
    & skf18("7","10","9","10","10","8","1") = "9"
    & skf18("7","10","9","10","10","9","1") = "9"
    & skf18("7","10","9","10","10","10","1") = "9"
    & skf18("7","10","10","1","1","1","1") = "9"
    & skf18("7","10","10","1","1","2","1") = "9"
    & skf18("7","10","10","1","1","3","1") = "9"
    & skf18("7","10","10","1","1","4","1") = "9"
    & skf18("7","10","10","1","1","5","1") = "9"
    & skf18("7","10","10","1","1","6","1") = "9"
    & skf18("7","10","10","1","1","7","1") = "9"
    & skf18("7","10","10","1","1","8","1") = "9"
    & skf18("7","10","10","1","1","9","1") = "9"
    & skf18("7","10","10","1","1","10","1") = "9"
    & skf18("7","10","10","1","2","1","1") = "9"
    & skf18("7","10","10","1","2","2","1") = "9"
    & skf18("7","10","10","1","2","3","1") = "9"
    & skf18("7","10","10","1","2","4","1") = "9"
    & skf18("7","10","10","1","2","5","1") = "9"
    & skf18("7","10","10","1","2","6","1") = "9"
    & skf18("7","10","10","1","2","7","1") = "9"
    & skf18("7","10","10","1","2","8","1") = "9"
    & skf18("7","10","10","1","2","9","1") = "9"
    & skf18("7","10","10","1","2","10","1") = "9"
    & skf18("7","10","10","1","3","1","1") = "9"
    & skf18("7","10","10","1","3","2","1") = "9"
    & skf18("7","10","10","1","3","3","1") = "9"
    & skf18("7","10","10","1","3","4","1") = "9"
    & skf18("7","10","10","1","3","5","1") = "9"
    & skf18("7","10","10","1","3","6","1") = "9"
    & skf18("7","10","10","1","3","7","1") = "9"
    & skf18("7","10","10","1","3","8","1") = "9"
    & skf18("7","10","10","1","3","9","1") = "9"
    & skf18("7","10","10","1","3","10","1") = "9"
    & skf18("7","10","10","1","4","1","1") = "9"
    & skf18("7","10","10","1","4","2","1") = "9"
    & skf18("7","10","10","1","4","3","1") = "9"
    & skf18("7","10","10","1","4","4","1") = "9"
    & skf18("7","10","10","1","4","5","1") = "9"
    & skf18("7","10","10","1","4","6","1") = "9"
    & skf18("7","10","10","1","4","7","1") = "9"
    & skf18("7","10","10","1","4","8","1") = "9"
    & skf18("7","10","10","1","4","9","1") = "9"
    & skf18("7","10","10","1","4","10","1") = "9"
    & skf18("7","10","10","1","5","1","1") = "9"
    & skf18("7","10","10","1","5","2","1") = "9"
    & skf18("7","10","10","1","5","3","1") = "9"
    & skf18("7","10","10","1","5","4","1") = "9"
    & skf18("7","10","10","1","5","5","1") = "9"
    & skf18("7","10","10","1","5","6","1") = "9"
    & skf18("7","10","10","1","5","7","1") = "9"
    & skf18("7","10","10","1","5","8","1") = "9"
    & skf18("7","10","10","1","5","9","1") = "9"
    & skf18("7","10","10","1","5","10","1") = "9"
    & skf18("7","10","10","1","6","1","1") = "9"
    & skf18("7","10","10","1","6","2","1") = "9"
    & skf18("7","10","10","1","6","3","1") = "9"
    & skf18("7","10","10","1","6","4","1") = "9"
    & skf18("7","10","10","1","6","5","1") = "9"
    & skf18("7","10","10","1","6","6","1") = "9"
    & skf18("7","10","10","1","6","7","1") = "9"
    & skf18("7","10","10","1","6","8","1") = "9"
    & skf18("7","10","10","1","6","9","1") = "9"
    & skf18("7","10","10","1","6","10","1") = "9"
    & skf18("7","10","10","1","7","1","1") = "9"
    & skf18("7","10","10","1","7","2","1") = "9"
    & skf18("7","10","10","1","7","3","1") = "9"
    & skf18("7","10","10","1","7","4","1") = "9"
    & skf18("7","10","10","1","7","5","1") = "9"
    & skf18("7","10","10","1","7","6","1") = "9"
    & skf18("7","10","10","1","7","7","1") = "9"
    & skf18("7","10","10","1","7","8","1") = "9"
    & skf18("7","10","10","1","7","9","1") = "9"
    & skf18("7","10","10","1","7","10","1") = "9"
    & skf18("7","10","10","1","8","1","1") = "9"
    & skf18("7","10","10","1","8","2","1") = "9"
    & skf18("7","10","10","1","8","3","1") = "9"
    & skf18("7","10","10","1","8","4","1") = "9"
    & skf18("7","10","10","1","8","5","1") = "9"
    & skf18("7","10","10","1","8","6","1") = "9"
    & skf18("7","10","10","1","8","7","1") = "9"
    & skf18("7","10","10","1","8","8","1") = "9"
    & skf18("7","10","10","1","8","9","1") = "9"
    & skf18("7","10","10","1","8","10","1") = "9"
    & skf18("7","10","10","1","9","1","1") = "9"
    & skf18("7","10","10","1","9","2","1") = "9"
    & skf18("7","10","10","1","9","3","1") = "9"
    & skf18("7","10","10","1","9","4","1") = "9"
    & skf18("7","10","10","1","9","5","1") = "9"
    & skf18("7","10","10","1","9","6","1") = "9"
    & skf18("7","10","10","1","9","7","1") = "9"
    & skf18("7","10","10","1","9","8","1") = "9"
    & skf18("7","10","10","1","9","9","1") = "9"
    & skf18("7","10","10","1","9","10","1") = "9"
    & skf18("7","10","10","1","10","1","1") = "9"
    & skf18("7","10","10","1","10","2","1") = "9"
    & skf18("7","10","10","1","10","3","1") = "9"
    & skf18("7","10","10","1","10","4","1") = "9"
    & skf18("7","10","10","1","10","5","1") = "9"
    & skf18("7","10","10","1","10","6","1") = "9"
    & skf18("7","10","10","1","10","7","1") = "9"
    & skf18("7","10","10","1","10","8","1") = "9"
    & skf18("7","10","10","1","10","9","1") = "9"
    & skf18("7","10","10","1","10","10","1") = "9"
    & skf18("7","10","10","2","1","1","1") = "9"
    & skf18("7","10","10","2","1","2","1") = "9"
    & skf18("7","10","10","2","1","3","1") = "9"
    & skf18("7","10","10","2","1","4","1") = "9"
    & skf18("7","10","10","2","1","5","1") = "9"
    & skf18("7","10","10","2","1","6","1") = "9"
    & skf18("7","10","10","2","1","7","1") = "9"
    & skf18("7","10","10","2","1","8","1") = "9"
    & skf18("7","10","10","2","1","9","1") = "9"
    & skf18("7","10","10","2","1","10","1") = "9"
    & skf18("7","10","10","2","2","1","1") = "9"
    & skf18("7","10","10","2","2","2","1") = "9"
    & skf18("7","10","10","2","2","3","1") = "9"
    & skf18("7","10","10","2","2","4","1") = "9"
    & skf18("7","10","10","2","2","5","1") = "9"
    & skf18("7","10","10","2","2","6","1") = "9"
    & skf18("7","10","10","2","2","7","1") = "9"
    & skf18("7","10","10","2","2","8","1") = "9"
    & skf18("7","10","10","2","2","9","1") = "9"
    & skf18("7","10","10","2","2","10","1") = "9"
    & skf18("7","10","10","2","3","1","1") = "9"
    & skf18("7","10","10","2","3","2","1") = "9"
    & skf18("7","10","10","2","3","3","1") = "9"
    & skf18("7","10","10","2","3","4","1") = "9"
    & skf18("7","10","10","2","3","5","1") = "9"
    & skf18("7","10","10","2","3","6","1") = "9"
    & skf18("7","10","10","2","3","7","1") = "9"
    & skf18("7","10","10","2","3","8","1") = "9"
    & skf18("7","10","10","2","3","9","1") = "9"
    & skf18("7","10","10","2","3","10","1") = "9"
    & skf18("7","10","10","2","4","1","1") = "9"
    & skf18("7","10","10","2","4","2","1") = "9"
    & skf18("7","10","10","2","4","3","1") = "9"
    & skf18("7","10","10","2","4","4","1") = "9"
    & skf18("7","10","10","2","4","5","1") = "9"
    & skf18("7","10","10","2","4","6","1") = "9"
    & skf18("7","10","10","2","4","7","1") = "9"
    & skf18("7","10","10","2","4","8","1") = "9"
    & skf18("7","10","10","2","4","9","1") = "9"
    & skf18("7","10","10","2","4","10","1") = "9"
    & skf18("7","10","10","2","5","1","1") = "9"
    & skf18("7","10","10","2","5","2","1") = "9"
    & skf18("7","10","10","2","5","3","1") = "9"
    & skf18("7","10","10","2","5","4","1") = "9"
    & skf18("7","10","10","2","5","5","1") = "9"
    & skf18("7","10","10","2","5","6","1") = "9"
    & skf18("7","10","10","2","5","7","1") = "9"
    & skf18("7","10","10","2","5","8","1") = "9"
    & skf18("7","10","10","2","5","9","1") = "9"
    & skf18("7","10","10","2","5","10","1") = "9"
    & skf18("7","10","10","2","6","1","1") = "9"
    & skf18("7","10","10","2","6","2","1") = "9"
    & skf18("7","10","10","2","6","3","1") = "9"
    & skf18("7","10","10","2","6","4","1") = "9"
    & skf18("7","10","10","2","6","5","1") = "9"
    & skf18("7","10","10","2","6","6","1") = "9"
    & skf18("7","10","10","2","6","7","1") = "9"
    & skf18("7","10","10","2","6","8","1") = "9"
    & skf18("7","10","10","2","6","9","1") = "9"
    & skf18("7","10","10","2","6","10","1") = "9"
    & skf18("7","10","10","2","7","1","1") = "9"
    & skf18("7","10","10","2","7","2","1") = "9"
    & skf18("7","10","10","2","7","3","1") = "9"
    & skf18("7","10","10","2","7","4","1") = "9"
    & skf18("7","10","10","2","7","5","1") = "9"
    & skf18("7","10","10","2","7","6","1") = "9"
    & skf18("7","10","10","2","7","7","1") = "9"
    & skf18("7","10","10","2","7","8","1") = "9"
    & skf18("7","10","10","2","7","9","1") = "9"
    & skf18("7","10","10","2","7","10","1") = "9"
    & skf18("7","10","10","2","8","1","1") = "9"
    & skf18("7","10","10","2","8","2","1") = "9"
    & skf18("7","10","10","2","8","3","1") = "9"
    & skf18("7","10","10","2","8","4","1") = "9"
    & skf18("7","10","10","2","8","5","1") = "9"
    & skf18("7","10","10","2","8","6","1") = "9"
    & skf18("7","10","10","2","8","7","1") = "9"
    & skf18("7","10","10","2","8","8","1") = "9"
    & skf18("7","10","10","2","8","9","1") = "9"
    & skf18("7","10","10","2","8","10","1") = "9"
    & skf18("7","10","10","2","9","1","1") = "9"
    & skf18("7","10","10","2","9","2","1") = "9"
    & skf18("7","10","10","2","9","3","1") = "9"
    & skf18("7","10","10","2","9","4","1") = "9"
    & skf18("7","10","10","2","9","5","1") = "9"
    & skf18("7","10","10","2","9","6","1") = "9"
    & skf18("7","10","10","2","9","7","1") = "9"
    & skf18("7","10","10","2","9","8","1") = "9"
    & skf18("7","10","10","2","9","9","1") = "9"
    & skf18("7","10","10","2","9","10","1") = "9"
    & skf18("7","10","10","2","10","1","1") = "9"
    & skf18("7","10","10","2","10","2","1") = "9"
    & skf18("7","10","10","2","10","3","1") = "9"
    & skf18("7","10","10","2","10","4","1") = "9"
    & skf18("7","10","10","2","10","5","1") = "9"
    & skf18("7","10","10","2","10","6","1") = "9"
    & skf18("7","10","10","2","10","7","1") = "9"
    & skf18("7","10","10","2","10","8","1") = "9"
    & skf18("7","10","10","2","10","9","1") = "9"
    & skf18("7","10","10","2","10","10","1") = "9"
    & skf18("7","10","10","3","1","1","1") = "9"
    & skf18("7","10","10","3","1","2","1") = "9"
    & skf18("7","10","10","3","1","3","1") = "9"
    & skf18("7","10","10","3","1","4","1") = "9"
    & skf18("7","10","10","3","1","5","1") = "9"
    & skf18("7","10","10","3","1","6","1") = "9"
    & skf18("7","10","10","3","1","7","1") = "9"
    & skf18("7","10","10","3","1","8","1") = "9"
    & skf18("7","10","10","3","1","9","1") = "9"
    & skf18("7","10","10","3","1","10","1") = "9"
    & skf18("7","10","10","3","2","1","1") = "9"
    & skf18("7","10","10","3","2","2","1") = "9"
    & skf18("7","10","10","3","2","3","1") = "9"
    & skf18("7","10","10","3","2","4","1") = "9"
    & skf18("7","10","10","3","2","5","1") = "9"
    & skf18("7","10","10","3","2","6","1") = "9"
    & skf18("7","10","10","3","2","7","1") = "9"
    & skf18("7","10","10","3","2","8","1") = "9"
    & skf18("7","10","10","3","2","9","1") = "9"
    & skf18("7","10","10","3","2","10","1") = "9"
    & skf18("7","10","10","3","3","1","1") = "9"
    & skf18("7","10","10","3","3","2","1") = "9"
    & skf18("7","10","10","3","3","3","1") = "9"
    & skf18("7","10","10","3","3","4","1") = "9"
    & skf18("7","10","10","3","3","5","1") = "9"
    & skf18("7","10","10","3","3","6","1") = "9"
    & skf18("7","10","10","3","3","7","1") = "9"
    & skf18("7","10","10","3","3","8","1") = "9"
    & skf18("7","10","10","3","3","9","1") = "9"
    & skf18("7","10","10","3","3","10","1") = "9"
    & skf18("7","10","10","3","4","1","1") = "9"
    & skf18("7","10","10","3","4","2","1") = "9"
    & skf18("7","10","10","3","4","3","1") = "9"
    & skf18("7","10","10","3","4","4","1") = "9"
    & skf18("7","10","10","3","4","5","1") = "9"
    & skf18("7","10","10","3","4","6","1") = "9"
    & skf18("7","10","10","3","4","7","1") = "9"
    & skf18("7","10","10","3","4","8","1") = "9"
    & skf18("7","10","10","3","4","9","1") = "9"
    & skf18("7","10","10","3","4","10","1") = "9"
    & skf18("7","10","10","3","5","1","1") = "9"
    & skf18("7","10","10","3","5","2","1") = "9"
    & skf18("7","10","10","3","5","3","1") = "9"
    & skf18("7","10","10","3","5","4","1") = "9"
    & skf18("7","10","10","3","5","5","1") = "9"
    & skf18("7","10","10","3","5","6","1") = "9"
    & skf18("7","10","10","3","5","7","1") = "9"
    & skf18("7","10","10","3","5","8","1") = "9"
    & skf18("7","10","10","3","5","9","1") = "9"
    & skf18("7","10","10","3","5","10","1") = "9"
    & skf18("7","10","10","3","6","1","1") = "9"
    & skf18("7","10","10","3","6","2","1") = "9"
    & skf18("7","10","10","3","6","3","1") = "9"
    & skf18("7","10","10","3","6","4","1") = "9"
    & skf18("7","10","10","3","6","5","1") = "9"
    & skf18("7","10","10","3","6","6","1") = "9"
    & skf18("7","10","10","3","6","7","1") = "9"
    & skf18("7","10","10","3","6","8","1") = "9"
    & skf18("7","10","10","3","6","9","1") = "9"
    & skf18("7","10","10","3","6","10","1") = "9"
    & skf18("7","10","10","3","7","1","1") = "9"
    & skf18("7","10","10","3","7","2","1") = "9"
    & skf18("7","10","10","3","7","3","1") = "9"
    & skf18("7","10","10","3","7","4","1") = "9"
    & skf18("7","10","10","3","7","5","1") = "9"
    & skf18("7","10","10","3","7","6","1") = "9"
    & skf18("7","10","10","3","7","7","1") = "9"
    & skf18("7","10","10","3","7","8","1") = "9"
    & skf18("7","10","10","3","7","9","1") = "9"
    & skf18("7","10","10","3","7","10","1") = "9"
    & skf18("7","10","10","3","8","1","1") = "9"
    & skf18("7","10","10","3","8","2","1") = "9"
    & skf18("7","10","10","3","8","3","1") = "9"
    & skf18("7","10","10","3","8","4","1") = "9"
    & skf18("7","10","10","3","8","5","1") = "9"
    & skf18("7","10","10","3","8","6","1") = "9"
    & skf18("7","10","10","3","8","7","1") = "9"
    & skf18("7","10","10","3","8","8","1") = "9"
    & skf18("7","10","10","3","8","9","1") = "9"
    & skf18("7","10","10","3","8","10","1") = "9"
    & skf18("7","10","10","3","9","1","1") = "9"
    & skf18("7","10","10","3","9","2","1") = "9"
    & skf18("7","10","10","3","9","3","1") = "9"
    & skf18("7","10","10","3","9","4","1") = "9"
    & skf18("7","10","10","3","9","5","1") = "9"
    & skf18("7","10","10","3","9","6","1") = "9"
    & skf18("7","10","10","3","9","7","1") = "9"
    & skf18("7","10","10","3","9","8","1") = "9"
    & skf18("7","10","10","3","9","9","1") = "9"
    & skf18("7","10","10","3","9","10","1") = "9"
    & skf18("7","10","10","3","10","1","1") = "9"
    & skf18("7","10","10","3","10","2","1") = "9"
    & skf18("7","10","10","3","10","3","1") = "9"
    & skf18("7","10","10","3","10","4","1") = "9"
    & skf18("7","10","10","3","10","5","1") = "9"
    & skf18("7","10","10","3","10","6","1") = "9"
    & skf18("7","10","10","3","10","7","1") = "9"
    & skf18("7","10","10","3","10","8","1") = "9"
    & skf18("7","10","10","3","10","9","1") = "9"
    & skf18("7","10","10","3","10","10","1") = "9"
    & skf18("7","10","10","4","1","1","1") = "9"
    & skf18("7","10","10","4","1","2","1") = "9"
    & skf18("7","10","10","4","1","3","1") = "9"
    & skf18("7","10","10","4","1","4","1") = "9"
    & skf18("7","10","10","4","1","5","1") = "9"
    & skf18("7","10","10","4","1","6","1") = "9"
    & skf18("7","10","10","4","1","7","1") = "9"
    & skf18("7","10","10","4","1","8","1") = "9"
    & skf18("7","10","10","4","1","9","1") = "9"
    & skf18("7","10","10","4","1","10","1") = "9"
    & skf18("7","10","10","4","2","1","1") = "9"
    & skf18("7","10","10","4","2","2","1") = "9"
    & skf18("7","10","10","4","2","3","1") = "9"
    & skf18("7","10","10","4","2","4","1") = "9"
    & skf18("7","10","10","4","2","5","1") = "9"
    & skf18("7","10","10","4","2","6","1") = "9"
    & skf18("7","10","10","4","2","7","1") = "9"
    & skf18("7","10","10","4","2","8","1") = "9"
    & skf18("7","10","10","4","2","9","1") = "9"
    & skf18("7","10","10","4","2","10","1") = "9"
    & skf18("7","10","10","4","3","1","1") = "9"
    & skf18("7","10","10","4","3","2","1") = "9"
    & skf18("7","10","10","4","3","3","1") = "9"
    & skf18("7","10","10","4","3","4","1") = "9"
    & skf18("7","10","10","4","3","5","1") = "9"
    & skf18("7","10","10","4","3","6","1") = "9"
    & skf18("7","10","10","4","3","7","1") = "9"
    & skf18("7","10","10","4","3","8","1") = "9"
    & skf18("7","10","10","4","3","9","1") = "9"
    & skf18("7","10","10","4","3","10","1") = "9"
    & skf18("7","10","10","4","4","1","1") = "9"
    & skf18("7","10","10","4","4","2","1") = "9"
    & skf18("7","10","10","4","4","3","1") = "9"
    & skf18("7","10","10","4","4","4","1") = "9"
    & skf18("7","10","10","4","4","5","1") = "9"
    & skf18("7","10","10","4","4","6","1") = "9"
    & skf18("7","10","10","4","4","7","1") = "9"
    & skf18("7","10","10","4","4","8","1") = "9"
    & skf18("7","10","10","4","4","9","1") = "9"
    & skf18("7","10","10","4","4","10","1") = "9"
    & skf18("7","10","10","4","5","1","1") = "9"
    & skf18("7","10","10","4","5","2","1") = "9"
    & skf18("7","10","10","4","5","3","1") = "9"
    & skf18("7","10","10","4","5","4","1") = "9"
    & skf18("7","10","10","4","5","5","1") = "9"
    & skf18("7","10","10","4","5","6","1") = "9"
    & skf18("7","10","10","4","5","7","1") = "9"
    & skf18("7","10","10","4","5","8","1") = "9"
    & skf18("7","10","10","4","5","9","1") = "9"
    & skf18("7","10","10","4","5","10","1") = "9"
    & skf18("7","10","10","4","6","1","1") = "9"
    & skf18("7","10","10","4","6","2","1") = "9"
    & skf18("7","10","10","4","6","3","1") = "9"
    & skf18("7","10","10","4","6","4","1") = "9"
    & skf18("7","10","10","4","6","5","1") = "9"
    & skf18("7","10","10","4","6","6","1") = "9"
    & skf18("7","10","10","4","6","7","1") = "9"
    & skf18("7","10","10","4","6","8","1") = "9"
    & skf18("7","10","10","4","6","9","1") = "9"
    & skf18("7","10","10","4","6","10","1") = "9"
    & skf18("7","10","10","4","7","1","1") = "9"
    & skf18("7","10","10","4","7","2","1") = "9"
    & skf18("7","10","10","4","7","3","1") = "9"
    & skf18("7","10","10","4","7","4","1") = "9"
    & skf18("7","10","10","4","7","5","1") = "9"
    & skf18("7","10","10","4","7","6","1") = "9"
    & skf18("7","10","10","4","7","7","1") = "9"
    & skf18("7","10","10","4","7","8","1") = "9"
    & skf18("7","10","10","4","7","9","1") = "9"
    & skf18("7","10","10","4","7","10","1") = "9"
    & skf18("7","10","10","4","8","1","1") = "9"
    & skf18("7","10","10","4","8","2","1") = "9"
    & skf18("7","10","10","4","8","3","1") = "9"
    & skf18("7","10","10","4","8","4","1") = "9"
    & skf18("7","10","10","4","8","5","1") = "9"
    & skf18("7","10","10","4","8","6","1") = "9"
    & skf18("7","10","10","4","8","7","1") = "9"
    & skf18("7","10","10","4","8","8","1") = "9"
    & skf18("7","10","10","4","8","9","1") = "9"
    & skf18("7","10","10","4","8","10","1") = "9"
    & skf18("7","10","10","4","9","1","1") = "9"
    & skf18("7","10","10","4","9","2","1") = "9"
    & skf18("7","10","10","4","9","3","1") = "9"
    & skf18("7","10","10","4","9","4","1") = "9"
    & skf18("7","10","10","4","9","5","1") = "9"
    & skf18("7","10","10","4","9","6","1") = "9"
    & skf18("7","10","10","4","9","7","1") = "9"
    & skf18("7","10","10","4","9","8","1") = "9"
    & skf18("7","10","10","4","9","9","1") = "9"
    & skf18("7","10","10","4","9","10","1") = "9"
    & skf18("7","10","10","4","10","1","1") = "9"
    & skf18("7","10","10","4","10","2","1") = "9"
    & skf18("7","10","10","4","10","3","1") = "9"
    & skf18("7","10","10","4","10","4","1") = "9"
    & skf18("7","10","10","4","10","5","1") = "9"
    & skf18("7","10","10","4","10","6","1") = "9"
    & skf18("7","10","10","4","10","7","1") = "9"
    & skf18("7","10","10","4","10","8","1") = "9"
    & skf18("7","10","10","4","10","9","1") = "9"
    & skf18("7","10","10","4","10","10","1") = "9"
    & skf18("7","10","10","5","1","1","1") = "9"
    & skf18("7","10","10","5","1","2","1") = "9"
    & skf18("7","10","10","5","1","3","1") = "9"
    & skf18("7","10","10","5","1","4","1") = "9"
    & skf18("7","10","10","5","1","5","1") = "9"
    & skf18("7","10","10","5","1","6","1") = "9"
    & skf18("7","10","10","5","1","7","1") = "9"
    & skf18("7","10","10","5","1","8","1") = "9"
    & skf18("7","10","10","5","1","9","1") = "9"
    & skf18("7","10","10","5","1","10","1") = "9"
    & skf18("7","10","10","5","2","1","1") = "9"
    & skf18("7","10","10","5","2","2","1") = "9"
    & skf18("7","10","10","5","2","3","1") = "9"
    & skf18("7","10","10","5","2","4","1") = "9"
    & skf18("7","10","10","5","2","5","1") = "9"
    & skf18("7","10","10","5","2","6","1") = "9"
    & skf18("7","10","10","5","2","7","1") = "9"
    & skf18("7","10","10","5","2","8","1") = "9"
    & skf18("7","10","10","5","2","9","1") = "9"
    & skf18("7","10","10","5","2","10","1") = "9"
    & skf18("7","10","10","5","3","1","1") = "9"
    & skf18("7","10","10","5","3","2","1") = "9"
    & skf18("7","10","10","5","3","3","1") = "9"
    & skf18("7","10","10","5","3","4","1") = "9"
    & skf18("7","10","10","5","3","5","1") = "9"
    & skf18("7","10","10","5","3","6","1") = "9"
    & skf18("7","10","10","5","3","7","1") = "9"
    & skf18("7","10","10","5","3","8","1") = "9"
    & skf18("7","10","10","5","3","9","1") = "9"
    & skf18("7","10","10","5","3","10","1") = "9"
    & skf18("7","10","10","5","4","1","1") = "9"
    & skf18("7","10","10","5","4","2","1") = "9"
    & skf18("7","10","10","5","4","3","1") = "9"
    & skf18("7","10","10","5","4","4","1") = "9"
    & skf18("7","10","10","5","4","5","1") = "9"
    & skf18("7","10","10","5","4","6","1") = "9"
    & skf18("7","10","10","5","4","7","1") = "9"
    & skf18("7","10","10","5","4","8","1") = "9"
    & skf18("7","10","10","5","4","9","1") = "9"
    & skf18("7","10","10","5","4","10","1") = "9"
    & skf18("7","10","10","5","5","1","1") = "9"
    & skf18("7","10","10","5","5","2","1") = "9"
    & skf18("7","10","10","5","5","3","1") = "9"
    & skf18("7","10","10","5","5","4","1") = "9"
    & skf18("7","10","10","5","5","5","1") = "9"
    & skf18("7","10","10","5","5","6","1") = "9"
    & skf18("7","10","10","5","5","7","1") = "9"
    & skf18("7","10","10","5","5","8","1") = "9"
    & skf18("7","10","10","5","5","9","1") = "9"
    & skf18("7","10","10","5","5","10","1") = "9"
    & skf18("7","10","10","5","6","1","1") = "9"
    & skf18("7","10","10","5","6","2","1") = "9"
    & skf18("7","10","10","5","6","3","1") = "9"
    & skf18("7","10","10","5","6","4","1") = "9"
    & skf18("7","10","10","5","6","5","1") = "9"
    & skf18("7","10","10","5","6","6","1") = "9"
    & skf18("7","10","10","5","6","7","1") = "9"
    & skf18("7","10","10","5","6","8","1") = "9"
    & skf18("7","10","10","5","6","9","1") = "9"
    & skf18("7","10","10","5","6","10","1") = "9"
    & skf18("7","10","10","5","7","1","1") = "9"
    & skf18("7","10","10","5","7","2","1") = "9"
    & skf18("7","10","10","5","7","3","1") = "9"
    & skf18("7","10","10","5","7","4","1") = "9"
    & skf18("7","10","10","5","7","5","1") = "9"
    & skf18("7","10","10","5","7","6","1") = "9"
    & skf18("7","10","10","5","7","7","1") = "9"
    & skf18("7","10","10","5","7","8","1") = "9"
    & skf18("7","10","10","5","7","9","1") = "9"
    & skf18("7","10","10","5","7","10","1") = "9"
    & skf18("7","10","10","5","8","1","1") = "9"
    & skf18("7","10","10","5","8","2","1") = "9"
    & skf18("7","10","10","5","8","3","1") = "9"
    & skf18("7","10","10","5","8","4","1") = "9"
    & skf18("7","10","10","5","8","5","1") = "9"
    & skf18("7","10","10","5","8","6","1") = "9"
    & skf18("7","10","10","5","8","7","1") = "9"
    & skf18("7","10","10","5","8","8","1") = "9"
    & skf18("7","10","10","5","8","9","1") = "9"
    & skf18("7","10","10","5","8","10","1") = "9"
    & skf18("7","10","10","5","9","1","1") = "9"
    & skf18("7","10","10","5","9","2","1") = "9"
    & skf18("7","10","10","5","9","3","1") = "9"
    & skf18("7","10","10","5","9","4","1") = "9"
    & skf18("7","10","10","5","9","5","1") = "9"
    & skf18("7","10","10","5","9","6","1") = "9"
    & skf18("7","10","10","5","9","7","1") = "9"
    & skf18("7","10","10","5","9","8","1") = "9"
    & skf18("7","10","10","5","9","9","1") = "9"
    & skf18("7","10","10","5","9","10","1") = "9"
    & skf18("7","10","10","5","10","1","1") = "9"
    & skf18("7","10","10","5","10","2","1") = "9"
    & skf18("7","10","10","5","10","3","1") = "9"
    & skf18("7","10","10","5","10","4","1") = "9"
    & skf18("7","10","10","5","10","5","1") = "9"
    & skf18("7","10","10","5","10","6","1") = "9"
    & skf18("7","10","10","5","10","7","1") = "9"
    & skf18("7","10","10","5","10","8","1") = "9"
    & skf18("7","10","10","5","10","9","1") = "9"
    & skf18("7","10","10","5","10","10","1") = "9"
    & skf18("7","10","10","6","1","1","1") = "9"
    & skf18("7","10","10","6","1","2","1") = "9"
    & skf18("7","10","10","6","1","3","1") = "9"
    & skf18("7","10","10","6","1","4","1") = "9"
    & skf18("7","10","10","6","1","5","1") = "9"
    & skf18("7","10","10","6","1","6","1") = "9"
    & skf18("7","10","10","6","1","7","1") = "9"
    & skf18("7","10","10","6","1","8","1") = "9"
    & skf18("7","10","10","6","1","9","1") = "9"
    & skf18("7","10","10","6","1","10","1") = "9"
    & skf18("7","10","10","6","2","1","1") = "9"
    & skf18("7","10","10","6","2","2","1") = "9"
    & skf18("7","10","10","6","2","3","1") = "9"
    & skf18("7","10","10","6","2","4","1") = "9"
    & skf18("7","10","10","6","2","5","1") = "9"
    & skf18("7","10","10","6","2","6","1") = "9"
    & skf18("7","10","10","6","2","7","1") = "9"
    & skf18("7","10","10","6","2","8","1") = "9"
    & skf18("7","10","10","6","2","9","1") = "9"
    & skf18("7","10","10","6","2","10","1") = "9"
    & skf18("7","10","10","6","3","1","1") = "9"
    & skf18("7","10","10","6","3","2","1") = "9"
    & skf18("7","10","10","6","3","3","1") = "9"
    & skf18("7","10","10","6","3","4","1") = "9"
    & skf18("7","10","10","6","3","5","1") = "9"
    & skf18("7","10","10","6","3","6","1") = "9"
    & skf18("7","10","10","6","3","7","1") = "9"
    & skf18("7","10","10","6","3","8","1") = "9"
    & skf18("7","10","10","6","3","9","1") = "9"
    & skf18("7","10","10","6","3","10","1") = "9"
    & skf18("7","10","10","6","4","1","1") = "9"
    & skf18("7","10","10","6","4","2","1") = "9"
    & skf18("7","10","10","6","4","3","1") = "9"
    & skf18("7","10","10","6","4","4","1") = "9"
    & skf18("7","10","10","6","4","5","1") = "9"
    & skf18("7","10","10","6","4","6","1") = "9"
    & skf18("7","10","10","6","4","7","1") = "9"
    & skf18("7","10","10","6","4","8","1") = "9"
    & skf18("7","10","10","6","4","9","1") = "9"
    & skf18("7","10","10","6","4","10","1") = "9"
    & skf18("7","10","10","6","5","1","1") = "9"
    & skf18("7","10","10","6","5","2","1") = "9"
    & skf18("7","10","10","6","5","3","1") = "9"
    & skf18("7","10","10","6","5","4","1") = "9"
    & skf18("7","10","10","6","5","5","1") = "9"
    & skf18("7","10","10","6","5","6","1") = "9"
    & skf18("7","10","10","6","5","7","1") = "9"
    & skf18("7","10","10","6","5","8","1") = "9"
    & skf18("7","10","10","6","5","9","1") = "9"
    & skf18("7","10","10","6","5","10","1") = "9"
    & skf18("7","10","10","6","6","1","1") = "9"
    & skf18("7","10","10","6","6","2","1") = "9"
    & skf18("7","10","10","6","6","3","1") = "9"
    & skf18("7","10","10","6","6","4","1") = "9"
    & skf18("7","10","10","6","6","5","1") = "9"
    & skf18("7","10","10","6","6","6","1") = "9"
    & skf18("7","10","10","6","6","7","1") = "9"
    & skf18("7","10","10","6","6","8","1") = "9"
    & skf18("7","10","10","6","6","9","1") = "9"
    & skf18("7","10","10","6","6","10","1") = "9"
    & skf18("7","10","10","6","7","1","1") = "9"
    & skf18("7","10","10","6","7","2","1") = "9"
    & skf18("7","10","10","6","7","3","1") = "9"
    & skf18("7","10","10","6","7","4","1") = "9"
    & skf18("7","10","10","6","7","5","1") = "9"
    & skf18("7","10","10","6","7","6","1") = "9"
    & skf18("7","10","10","6","7","7","1") = "9"
    & skf18("7","10","10","6","7","8","1") = "9"
    & skf18("7","10","10","6","7","9","1") = "9"
    & skf18("7","10","10","6","7","10","1") = "9"
    & skf18("7","10","10","6","8","1","1") = "9"
    & skf18("7","10","10","6","8","2","1") = "9"
    & skf18("7","10","10","6","8","3","1") = "9"
    & skf18("7","10","10","6","8","4","1") = "9"
    & skf18("7","10","10","6","8","5","1") = "9"
    & skf18("7","10","10","6","8","6","1") = "9"
    & skf18("7","10","10","6","8","7","1") = "9"
    & skf18("7","10","10","6","8","8","1") = "9"
    & skf18("7","10","10","6","8","9","1") = "9"
    & skf18("7","10","10","6","8","10","1") = "9"
    & skf18("7","10","10","6","9","1","1") = "9"
    & skf18("7","10","10","6","9","2","1") = "9"
    & skf18("7","10","10","6","9","3","1") = "9"
    & skf18("7","10","10","6","9","4","1") = "9"
    & skf18("7","10","10","6","9","5","1") = "9"
    & skf18("7","10","10","6","9","6","1") = "9"
    & skf18("7","10","10","6","9","7","1") = "9"
    & skf18("7","10","10","6","9","8","1") = "9"
    & skf18("7","10","10","6","9","9","1") = "9"
    & skf18("7","10","10","6","9","10","1") = "9"
    & skf18("7","10","10","6","10","1","1") = "9"
    & skf18("7","10","10","6","10","2","1") = "9"
    & skf18("7","10","10","6","10","3","1") = "9"
    & skf18("7","10","10","6","10","4","1") = "9"
    & skf18("7","10","10","6","10","5","1") = "9"
    & skf18("7","10","10","6","10","6","1") = "9"
    & skf18("7","10","10","6","10","7","1") = "9"
    & skf18("7","10","10","6","10","8","1") = "9"
    & skf18("7","10","10","6","10","9","1") = "9"
    & skf18("7","10","10","6","10","10","1") = "9"
    & skf18("7","10","10","7","1","1","1") = "9"
    & skf18("7","10","10","7","1","2","1") = "9"
    & skf18("7","10","10","7","1","3","1") = "9"
    & skf18("7","10","10","7","1","4","1") = "9"
    & skf18("7","10","10","7","1","5","1") = "9"
    & skf18("7","10","10","7","1","6","1") = "9"
    & skf18("7","10","10","7","1","7","1") = "9"
    & skf18("7","10","10","7","1","8","1") = "9"
    & skf18("7","10","10","7","1","9","1") = "9"
    & skf18("7","10","10","7","1","10","1") = "9"
    & skf18("7","10","10","7","2","1","1") = "9"
    & skf18("7","10","10","7","2","2","1") = "9"
    & skf18("7","10","10","7","2","3","1") = "9"
    & skf18("7","10","10","7","2","4","1") = "9"
    & skf18("7","10","10","7","2","5","1") = "9"
    & skf18("7","10","10","7","2","6","1") = "9"
    & skf18("7","10","10","7","2","7","1") = "9"
    & skf18("7","10","10","7","2","8","1") = "9"
    & skf18("7","10","10","7","2","9","1") = "9"
    & skf18("7","10","10","7","2","10","1") = "9"
    & skf18("7","10","10","7","3","1","1") = "9"
    & skf18("7","10","10","7","3","2","1") = "9"
    & skf18("7","10","10","7","3","3","1") = "9"
    & skf18("7","10","10","7","3","4","1") = "9"
    & skf18("7","10","10","7","3","5","1") = "9"
    & skf18("7","10","10","7","3","6","1") = "9"
    & skf18("7","10","10","7","3","7","1") = "9"
    & skf18("7","10","10","7","3","8","1") = "9"
    & skf18("7","10","10","7","3","9","1") = "9"
    & skf18("7","10","10","7","3","10","1") = "9"
    & skf18("7","10","10","7","4","1","1") = "9"
    & skf18("7","10","10","7","4","2","1") = "9"
    & skf18("7","10","10","7","4","3","1") = "9"
    & skf18("7","10","10","7","4","4","1") = "9"
    & skf18("7","10","10","7","4","5","1") = "9"
    & skf18("7","10","10","7","4","6","1") = "9"
    & skf18("7","10","10","7","4","7","1") = "9"
    & skf18("7","10","10","7","4","8","1") = "9"
    & skf18("7","10","10","7","4","9","1") = "9"
    & skf18("7","10","10","7","4","10","1") = "9"
    & skf18("7","10","10","7","5","1","1") = "9"
    & skf18("7","10","10","7","5","2","1") = "9"
    & skf18("7","10","10","7","5","3","1") = "9"
    & skf18("7","10","10","7","5","4","1") = "9"
    & skf18("7","10","10","7","5","5","1") = "9"
    & skf18("7","10","10","7","5","6","1") = "9"
    & skf18("7","10","10","7","5","7","1") = "9"
    & skf18("7","10","10","7","5","8","1") = "9"
    & skf18("7","10","10","7","5","9","1") = "9"
    & skf18("7","10","10","7","5","10","1") = "9"
    & skf18("7","10","10","7","6","1","1") = "9"
    & skf18("7","10","10","7","6","2","1") = "9"
    & skf18("7","10","10","7","6","3","1") = "9"
    & skf18("7","10","10","7","6","4","1") = "9"
    & skf18("7","10","10","7","6","5","1") = "9"
    & skf18("7","10","10","7","6","6","1") = "9"
    & skf18("7","10","10","7","6","7","1") = "9"
    & skf18("7","10","10","7","6","8","1") = "9"
    & skf18("7","10","10","7","6","9","1") = "9"
    & skf18("7","10","10","7","6","10","1") = "9"
    & skf18("7","10","10","7","7","1","1") = "9"
    & skf18("7","10","10","7","7","2","1") = "9"
    & skf18("7","10","10","7","7","3","1") = "9"
    & skf18("7","10","10","7","7","4","1") = "9"
    & skf18("7","10","10","7","7","5","1") = "9"
    & skf18("7","10","10","7","7","6","1") = "9"
    & skf18("7","10","10","7","7","7","1") = "9"
    & skf18("7","10","10","7","7","8","1") = "9"
    & skf18("7","10","10","7","7","9","1") = "9"
    & skf18("7","10","10","7","7","10","1") = "9"
    & skf18("7","10","10","7","8","1","1") = "9"
    & skf18("7","10","10","7","8","2","1") = "9"
    & skf18("7","10","10","7","8","3","1") = "9"
    & skf18("7","10","10","7","8","4","1") = "9"
    & skf18("7","10","10","7","8","5","1") = "9"
    & skf18("7","10","10","7","8","6","1") = "9"
    & skf18("7","10","10","7","8","7","1") = "9"
    & skf18("7","10","10","7","8","8","1") = "9"
    & skf18("7","10","10","7","8","9","1") = "9"
    & skf18("7","10","10","7","8","10","1") = "9"
    & skf18("7","10","10","7","9","1","1") = "9"
    & skf18("7","10","10","7","9","2","1") = "9"
    & skf18("7","10","10","7","9","3","1") = "9"
    & skf18("7","10","10","7","9","4","1") = "9"
    & skf18("7","10","10","7","9","5","1") = "9"
    & skf18("7","10","10","7","9","6","1") = "9"
    & skf18("7","10","10","7","9","7","1") = "9"
    & skf18("7","10","10","7","9","8","1") = "9"
    & skf18("7","10","10","7","9","9","1") = "9"
    & skf18("7","10","10","7","9","10","1") = "9"
    & skf18("7","10","10","7","10","1","1") = "9"
    & skf18("7","10","10","7","10","2","1") = "9"
    & skf18("7","10","10","7","10","3","1") = "9"
    & skf18("7","10","10","7","10","4","1") = "9"
    & skf18("7","10","10","7","10","5","1") = "9"
    & skf18("7","10","10","7","10","6","1") = "9"
    & skf18("7","10","10","7","10","7","1") = "9"
    & skf18("7","10","10","7","10","8","1") = "9"
    & skf18("7","10","10","7","10","9","1") = "9"
    & skf18("7","10","10","7","10","10","1") = "9"
    & skf18("7","10","10","8","1","1","1") = "9"
    & skf18("7","10","10","8","1","2","1") = "9"
    & skf18("7","10","10","8","1","3","1") = "9"
    & skf18("7","10","10","8","1","4","1") = "9"
    & skf18("7","10","10","8","1","5","1") = "9"
    & skf18("7","10","10","8","1","6","1") = "9"
    & skf18("7","10","10","8","1","7","1") = "9"
    & skf18("7","10","10","8","1","8","1") = "9"
    & skf18("7","10","10","8","1","9","1") = "9"
    & skf18("7","10","10","8","1","10","1") = "9"
    & skf18("7","10","10","8","2","1","1") = "9"
    & skf18("7","10","10","8","2","2","1") = "9"
    & skf18("7","10","10","8","2","3","1") = "9"
    & skf18("7","10","10","8","2","4","1") = "9"
    & skf18("7","10","10","8","2","5","1") = "9"
    & skf18("7","10","10","8","2","6","1") = "9"
    & skf18("7","10","10","8","2","7","1") = "9"
    & skf18("7","10","10","8","2","8","1") = "9"
    & skf18("7","10","10","8","2","9","1") = "9"
    & skf18("7","10","10","8","2","10","1") = "9"
    & skf18("7","10","10","8","3","1","1") = "9"
    & skf18("7","10","10","8","3","2","1") = "9"
    & skf18("7","10","10","8","3","3","1") = "9"
    & skf18("7","10","10","8","3","4","1") = "9"
    & skf18("7","10","10","8","3","5","1") = "9"
    & skf18("7","10","10","8","3","6","1") = "9"
    & skf18("7","10","10","8","3","7","1") = "9"
    & skf18("7","10","10","8","3","8","1") = "9"
    & skf18("7","10","10","8","3","9","1") = "9"
    & skf18("7","10","10","8","3","10","1") = "9"
    & skf18("7","10","10","8","4","1","1") = "9"
    & skf18("7","10","10","8","4","2","1") = "9"
    & skf18("7","10","10","8","4","3","1") = "9"
    & skf18("7","10","10","8","4","4","1") = "9"
    & skf18("7","10","10","8","4","5","1") = "9"
    & skf18("7","10","10","8","4","6","1") = "9"
    & skf18("7","10","10","8","4","7","1") = "9"
    & skf18("7","10","10","8","4","8","1") = "9"
    & skf18("7","10","10","8","4","9","1") = "9"
    & skf18("7","10","10","8","4","10","1") = "9"
    & skf18("7","10","10","8","5","1","1") = "9"
    & skf18("7","10","10","8","5","2","1") = "9"
    & skf18("7","10","10","8","5","3","1") = "9"
    & skf18("7","10","10","8","5","4","1") = "9"
    & skf18("7","10","10","8","5","5","1") = "9"
    & skf18("7","10","10","8","5","6","1") = "9"
    & skf18("7","10","10","8","5","7","1") = "9"
    & skf18("7","10","10","8","5","8","1") = "9"
    & skf18("7","10","10","8","5","9","1") = "9"
    & skf18("7","10","10","8","5","10","1") = "9"
    & skf18("7","10","10","8","6","1","1") = "9"
    & skf18("7","10","10","8","6","2","1") = "9"
    & skf18("7","10","10","8","6","3","1") = "9"
    & skf18("7","10","10","8","6","4","1") = "9"
    & skf18("7","10","10","8","6","5","1") = "9"
    & skf18("7","10","10","8","6","6","1") = "9"
    & skf18("7","10","10","8","6","7","1") = "9"
    & skf18("7","10","10","8","6","8","1") = "9"
    & skf18("7","10","10","8","6","9","1") = "9"
    & skf18("7","10","10","8","6","10","1") = "9"
    & skf18("7","10","10","8","7","1","1") = "9"
    & skf18("7","10","10","8","7","2","1") = "9"
    & skf18("7","10","10","8","7","3","1") = "9"
    & skf18("7","10","10","8","7","4","1") = "9"
    & skf18("7","10","10","8","7","5","1") = "9"
    & skf18("7","10","10","8","7","6","1") = "9"
    & skf18("7","10","10","8","7","7","1") = "9"
    & skf18("7","10","10","8","7","8","1") = "9"
    & skf18("7","10","10","8","7","9","1") = "9"
    & skf18("7","10","10","8","7","10","1") = "9"
    & skf18("7","10","10","8","8","1","1") = "9"
    & skf18("7","10","10","8","8","2","1") = "9"
    & skf18("7","10","10","8","8","3","1") = "9"
    & skf18("7","10","10","8","8","4","1") = "9"
    & skf18("7","10","10","8","8","5","1") = "9"
    & skf18("7","10","10","8","8","6","1") = "9"
    & skf18("7","10","10","8","8","7","1") = "9"
    & skf18("7","10","10","8","8","8","1") = "9"
    & skf18("7","10","10","8","8","9","1") = "9"
    & skf18("7","10","10","8","8","10","1") = "9"
    & skf18("7","10","10","8","9","1","1") = "9"
    & skf18("7","10","10","8","9","2","1") = "9"
    & skf18("7","10","10","8","9","3","1") = "9"
    & skf18("7","10","10","8","9","4","1") = "9"
    & skf18("7","10","10","8","9","5","1") = "9"
    & skf18("7","10","10","8","9","6","1") = "9"
    & skf18("7","10","10","8","9","7","1") = "9"
    & skf18("7","10","10","8","9","8","1") = "9"
    & skf18("7","10","10","8","9","9","1") = "9"
    & skf18("7","10","10","8","9","10","1") = "9"
    & skf18("7","10","10","8","10","1","1") = "9"
    & skf18("7","10","10","8","10","2","1") = "9"
    & skf18("7","10","10","8","10","3","1") = "9"
    & skf18("7","10","10","8","10","4","1") = "9"
    & skf18("7","10","10","8","10","5","1") = "9"
    & skf18("7","10","10","8","10","6","1") = "9"
    & skf18("7","10","10","8","10","7","1") = "9"
    & skf18("7","10","10","8","10","8","1") = "9"
    & skf18("7","10","10","8","10","9","1") = "9"
    & skf18("7","10","10","8","10","10","1") = "9"
    & skf18("7","10","10","9","1","1","1") = "9"
    & skf18("7","10","10","9","1","2","1") = "9"
    & skf18("7","10","10","9","1","3","1") = "9"
    & skf18("7","10","10","9","1","4","1") = "9"
    & skf18("7","10","10","9","1","5","1") = "9"
    & skf18("7","10","10","9","1","6","1") = "9"
    & skf18("7","10","10","9","1","7","1") = "9"
    & skf18("7","10","10","9","1","8","1") = "9"
    & skf18("7","10","10","9","1","9","1") = "9"
    & skf18("7","10","10","9","1","10","1") = "9"
    & skf18("7","10","10","9","2","1","1") = "9"
    & skf18("7","10","10","9","2","2","1") = "9"
    & skf18("7","10","10","9","2","3","1") = "9"
    & skf18("7","10","10","9","2","4","1") = "9"
    & skf18("7","10","10","9","2","5","1") = "9"
    & skf18("7","10","10","9","2","6","1") = "9"
    & skf18("7","10","10","9","2","7","1") = "9"
    & skf18("7","10","10","9","2","8","1") = "9"
    & skf18("7","10","10","9","2","9","1") = "9"
    & skf18("7","10","10","9","2","10","1") = "9"
    & skf18("7","10","10","9","3","1","1") = "9"
    & skf18("7","10","10","9","3","2","1") = "9"
    & skf18("7","10","10","9","3","3","1") = "9"
    & skf18("7","10","10","9","3","4","1") = "9"
    & skf18("7","10","10","9","3","5","1") = "9"
    & skf18("7","10","10","9","3","6","1") = "9"
    & skf18("7","10","10","9","3","7","1") = "9"
    & skf18("7","10","10","9","3","8","1") = "9"
    & skf18("7","10","10","9","3","9","1") = "9"
    & skf18("7","10","10","9","3","10","1") = "9"
    & skf18("7","10","10","9","4","1","1") = "9"
    & skf18("7","10","10","9","4","2","1") = "9"
    & skf18("7","10","10","9","4","3","1") = "9"
    & skf18("7","10","10","9","4","4","1") = "9"
    & skf18("7","10","10","9","4","5","1") = "9"
    & skf18("7","10","10","9","4","6","1") = "9"
    & skf18("7","10","10","9","4","7","1") = "9"
    & skf18("7","10","10","9","4","8","1") = "9"
    & skf18("7","10","10","9","4","9","1") = "9"
    & skf18("7","10","10","9","4","10","1") = "9"
    & skf18("7","10","10","9","5","1","1") = "9"
    & skf18("7","10","10","9","5","2","1") = "9"
    & skf18("7","10","10","9","5","3","1") = "9"
    & skf18("7","10","10","9","5","4","1") = "9"
    & skf18("7","10","10","9","5","5","1") = "9"
    & skf18("7","10","10","9","5","6","1") = "9"
    & skf18("7","10","10","9","5","7","1") = "9"
    & skf18("7","10","10","9","5","8","1") = "9"
    & skf18("7","10","10","9","5","9","1") = "9"
    & skf18("7","10","10","9","5","10","1") = "9"
    & skf18("7","10","10","9","6","1","1") = "9"
    & skf18("7","10","10","9","6","2","1") = "9"
    & skf18("7","10","10","9","6","3","1") = "9"
    & skf18("7","10","10","9","6","4","1") = "9"
    & skf18("7","10","10","9","6","5","1") = "9"
    & skf18("7","10","10","9","6","6","1") = "9"
    & skf18("7","10","10","9","6","7","1") = "9"
    & skf18("7","10","10","9","6","8","1") = "9"
    & skf18("7","10","10","9","6","9","1") = "9"
    & skf18("7","10","10","9","6","10","1") = "9"
    & skf18("7","10","10","9","7","1","1") = "9"
    & skf18("7","10","10","9","7","2","1") = "9"
    & skf18("7","10","10","9","7","3","1") = "9"
    & skf18("7","10","10","9","7","4","1") = "9"
    & skf18("7","10","10","9","7","5","1") = "9"
    & skf18("7","10","10","9","7","6","1") = "9"
    & skf18("7","10","10","9","7","7","1") = "9"
    & skf18("7","10","10","9","7","8","1") = "9"
    & skf18("7","10","10","9","7","9","1") = "9"
    & skf18("7","10","10","9","7","10","1") = "9"
    & skf18("7","10","10","9","8","1","1") = "9"
    & skf18("7","10","10","9","8","2","1") = "9"
    & skf18("7","10","10","9","8","3","1") = "9"
    & skf18("7","10","10","9","8","4","1") = "9"
    & skf18("7","10","10","9","8","5","1") = "9"
    & skf18("7","10","10","9","8","6","1") = "9"
    & skf18("7","10","10","9","8","7","1") = "9"
    & skf18("7","10","10","9","8","8","1") = "9"
    & skf18("7","10","10","9","8","9","1") = "9"
    & skf18("7","10","10","9","8","10","1") = "9"
    & skf18("7","10","10","9","9","1","1") = "9"
    & skf18("7","10","10","9","9","2","1") = "9"
    & skf18("7","10","10","9","9","3","1") = "9"
    & skf18("7","10","10","9","9","4","1") = "9"
    & skf18("7","10","10","9","9","5","1") = "9"
    & skf18("7","10","10","9","9","6","1") = "9"
    & skf18("7","10","10","9","9","7","1") = "9"
    & skf18("7","10","10","9","9","8","1") = "9"
    & skf18("7","10","10","9","9","9","1") = "9"
    & skf18("7","10","10","9","9","10","1") = "9"
    & skf18("7","10","10","9","10","1","1") = "9"
    & skf18("7","10","10","9","10","2","1") = "9"
    & skf18("7","10","10","9","10","3","1") = "9"
    & skf18("7","10","10","9","10","4","1") = "9"
    & skf18("7","10","10","9","10","5","1") = "9"
    & skf18("7","10","10","9","10","6","1") = "9"
    & skf18("7","10","10","9","10","7","1") = "9"
    & skf18("7","10","10","9","10","8","1") = "9"
    & skf18("7","10","10","9","10","9","1") = "9"
    & skf18("7","10","10","9","10","10","1") = "9"
    & skf18("7","10","10","10","1","1","1") = "9"
    & skf18("7","10","10","10","1","2","1") = "9"
    & skf18("7","10","10","10","1","3","1") = "9"
    & skf18("7","10","10","10","1","4","1") = "9"
    & skf18("7","10","10","10","1","5","1") = "9"
    & skf18("7","10","10","10","1","6","1") = "9"
    & skf18("7","10","10","10","1","7","1") = "9"
    & skf18("7","10","10","10","1","8","1") = "9"
    & skf18("7","10","10","10","1","9","1") = "9"
    & skf18("7","10","10","10","1","10","1") = "9"
    & skf18("7","10","10","10","2","1","1") = "9"
    & skf18("7","10","10","10","2","2","1") = "9"
    & skf18("7","10","10","10","2","3","1") = "9"
    & skf18("7","10","10","10","2","4","1") = "9"
    & skf18("7","10","10","10","2","5","1") = "9"
    & skf18("7","10","10","10","2","6","1") = "9"
    & skf18("7","10","10","10","2","7","1") = "9"
    & skf18("7","10","10","10","2","8","1") = "9"
    & skf18("7","10","10","10","2","9","1") = "9"
    & skf18("7","10","10","10","2","10","1") = "9"
    & skf18("7","10","10","10","3","1","1") = "9"
    & skf18("7","10","10","10","3","2","1") = "9"
    & skf18("7","10","10","10","3","3","1") = "9"
    & skf18("7","10","10","10","3","4","1") = "9"
    & skf18("7","10","10","10","3","5","1") = "9"
    & skf18("7","10","10","10","3","6","1") = "9"
    & skf18("7","10","10","10","3","7","1") = "9"
    & skf18("7","10","10","10","3","8","1") = "9"
    & skf18("7","10","10","10","3","9","1") = "9"
    & skf18("7","10","10","10","3","10","1") = "9"
    & skf18("7","10","10","10","4","1","1") = "9"
    & skf18("7","10","10","10","4","2","1") = "9"
    & skf18("7","10","10","10","4","3","1") = "9"
    & skf18("7","10","10","10","4","4","1") = "9"
    & skf18("7","10","10","10","4","5","1") = "9"
    & skf18("7","10","10","10","4","6","1") = "9"
    & skf18("7","10","10","10","4","7","1") = "9"
    & skf18("7","10","10","10","4","8","1") = "9"
    & skf18("7","10","10","10","4","9","1") = "9"
    & skf18("7","10","10","10","4","10","1") = "9"
    & skf18("7","10","10","10","5","1","1") = "9"
    & skf18("7","10","10","10","5","2","1") = "9"
    & skf18("7","10","10","10","5","3","1") = "9"
    & skf18("7","10","10","10","5","4","1") = "9"
    & skf18("7","10","10","10","5","5","1") = "9"
    & skf18("7","10","10","10","5","6","1") = "9"
    & skf18("7","10","10","10","5","7","1") = "9"
    & skf18("7","10","10","10","5","8","1") = "9"
    & skf18("7","10","10","10","5","9","1") = "9"
    & skf18("7","10","10","10","5","10","1") = "9"
    & skf18("7","10","10","10","6","1","1") = "9"
    & skf18("7","10","10","10","6","2","1") = "9"
    & skf18("7","10","10","10","6","3","1") = "9"
    & skf18("7","10","10","10","6","4","1") = "9"
    & skf18("7","10","10","10","6","5","1") = "9"
    & skf18("7","10","10","10","6","6","1") = "9"
    & skf18("7","10","10","10","6","7","1") = "9"
    & skf18("7","10","10","10","6","8","1") = "9"
    & skf18("7","10","10","10","6","9","1") = "9"
    & skf18("7","10","10","10","6","10","1") = "9"
    & skf18("7","10","10","10","7","1","1") = "9"
    & skf18("7","10","10","10","7","2","1") = "9"
    & skf18("7","10","10","10","7","3","1") = "9"
    & skf18("7","10","10","10","7","4","1") = "9"
    & skf18("7","10","10","10","7","5","1") = "9"
    & skf18("7","10","10","10","7","6","1") = "9"
    & skf18("7","10","10","10","7","7","1") = "9"
    & skf18("7","10","10","10","7","8","1") = "9"
    & skf18("7","10","10","10","7","9","1") = "9"
    & skf18("7","10","10","10","7","10","1") = "9"
    & skf18("7","10","10","10","8","1","1") = "9"
    & skf18("7","10","10","10","8","2","1") = "9"
    & skf18("7","10","10","10","8","3","1") = "9"
    & skf18("7","10","10","10","8","4","1") = "9"
    & skf18("7","10","10","10","8","5","1") = "9"
    & skf18("7","10","10","10","8","6","1") = "9"
    & skf18("7","10","10","10","8","7","1") = "9"
    & skf18("7","10","10","10","8","8","1") = "9"
    & skf18("7","10","10","10","8","9","1") = "9"
    & skf18("7","10","10","10","8","10","1") = "9"
    & skf18("7","10","10","10","9","1","1") = "9"
    & skf18("7","10","10","10","9","2","1") = "9"
    & skf18("7","10","10","10","9","3","1") = "9"
    & skf18("7","10","10","10","9","4","1") = "9"
    & skf18("7","10","10","10","9","5","1") = "9"
    & skf18("7","10","10","10","9","6","1") = "9"
    & skf18("7","10","10","10","9","7","1") = "9"
    & skf18("7","10","10","10","9","8","1") = "9"
    & skf18("7","10","10","10","9","9","1") = "9"
    & skf18("7","10","10","10","9","10","1") = "9"
    & skf18("7","10","10","10","10","1","1") = "9"
    & skf18("7","10","10","10","10","2","1") = "9"
    & skf18("7","10","10","10","10","3","1") = "9"
    & skf18("7","10","10","10","10","4","1") = "9"
    & skf18("7","10","10","10","10","5","1") = "9"
    & skf18("7","10","10","10","10","6","1") = "9"
    & skf18("7","10","10","10","10","7","1") = "9"
    & skf18("7","10","10","10","10","8","1") = "9"
    & skf18("7","10","10","10","10","9","1") = "9"
    & skf18("7","10","10","10","10","10","1") = "9"
    & skf18("8","1","1","1","1","1","1") = "7"
    & skf18("8","1","1","1","1","2","1") = "7"
    & skf18("8","1","1","1","1","3","1") = "7"
    & skf18("8","1","1","1","1","4","1") = "7"
    & skf18("8","1","1","1","1","5","1") = "7"
    & skf18("8","1","1","1","1","6","1") = "7"
    & skf18("8","1","1","1","1","7","1") = "7"
    & skf18("8","1","1","1","1","8","1") = "7"
    & skf18("8","1","1","1","1","9","1") = "8"
    & skf18("8","1","1","1","1","10","1") = "9"
    & skf18("8","1","1","1","2","1","1") = "7"
    & skf18("8","1","1","1","2","2","1") = "7"
    & skf18("8","1","1","1","2","3","1") = "7"
    & skf18("8","1","1","1","2","4","1") = "7"
    & skf18("8","1","1","1","2","5","1") = "7"
    & skf18("8","1","1","1","2","6","1") = "7"
    & skf18("8","1","1","1","2","7","1") = "7"
    & skf18("8","1","1","1","2","8","1") = "7"
    & skf18("8","1","1","1","2","9","1") = "8"
    & skf18("8","1","1","1","2","10","1") = "9"
    & skf18("8","1","1","1","3","1","1") = "7"
    & skf18("8","1","1","1","3","2","1") = "7"
    & skf18("8","1","1","1","3","3","1") = "7"
    & skf18("8","1","1","1","3","4","1") = "7"
    & skf18("8","1","1","1","3","5","1") = "7"
    & skf18("8","1","1","1","3","6","1") = "7"
    & skf18("8","1","1","1","3","7","1") = "7"
    & skf18("8","1","1","1","3","8","1") = "7"
    & skf18("8","1","1","1","3","9","1") = "8"
    & skf18("8","1","1","1","3","10","1") = "9"
    & skf18("8","1","1","1","4","1","1") = "7"
    & skf18("8","1","1","1","4","2","1") = "7"
    & skf18("8","1","1","1","4","3","1") = "7"
    & skf18("8","1","1","1","4","4","1") = "7"
    & skf18("8","1","1","1","4","5","1") = "7"
    & skf18("8","1","1","1","4","6","1") = "7"
    & skf18("8","1","1","1","4","7","1") = "7"
    & skf18("8","1","1","1","4","8","1") = "7"
    & skf18("8","1","1","1","4","9","1") = "8"
    & skf18("8","1","1","1","4","10","1") = "9"
    & skf18("8","1","1","1","5","1","1") = "7"
    & skf18("8","1","1","1","5","2","1") = "7"
    & skf18("8","1","1","1","5","3","1") = "7"
    & skf18("8","1","1","1","5","4","1") = "7"
    & skf18("8","1","1","1","5","5","1") = "7"
    & skf18("8","1","1","1","5","6","1") = "7"
    & skf18("8","1","1","1","5","7","1") = "7"
    & skf18("8","1","1","1","5","8","1") = "7"
    & skf18("8","1","1","1","5","9","1") = "8"
    & skf18("8","1","1","1","5","10","1") = "9"
    & skf18("8","1","1","1","6","1","1") = "7"
    & skf18("8","1","1","1","6","2","1") = "7"
    & skf18("8","1","1","1","6","3","1") = "7"
    & skf18("8","1","1","1","6","4","1") = "7"
    & skf18("8","1","1","1","6","5","1") = "7"
    & skf18("8","1","1","1","6","6","1") = "7"
    & skf18("8","1","1","1","6","7","1") = "7"
    & skf18("8","1","1","1","6","8","1") = "7"
    & skf18("8","1","1","1","6","9","1") = "8"
    & skf18("8","1","1","1","6","10","1") = "9"
    & skf18("8","1","1","1","7","1","1") = "7"
    & skf18("8","1","1","1","7","2","1") = "7"
    & skf18("8","1","1","1","7","3","1") = "7"
    & skf18("8","1","1","1","7","4","1") = "7"
    & skf18("8","1","1","1","7","5","1") = "7"
    & skf18("8","1","1","1","7","6","1") = "7"
    & skf18("8","1","1","1","7","7","1") = "7"
    & skf18("8","1","1","1","7","8","1") = "7"
    & skf18("8","1","1","1","7","9","1") = "8"
    & skf18("8","1","1","1","7","10","1") = "9"
    & skf18("8","1","1","1","8","1","1") = "7"
    & skf18("8","1","1","1","8","2","1") = "7"
    & skf18("8","1","1","1","8","3","1") = "7"
    & skf18("8","1","1","1","8","4","1") = "7"
    & skf18("8","1","1","1","8","5","1") = "7"
    & skf18("8","1","1","1","8","6","1") = "7"
    & skf18("8","1","1","1","8","7","1") = "7"
    & skf18("8","1","1","1","8","8","1") = "7"
    & skf18("8","1","1","1","8","9","1") = "8"
    & skf18("8","1","1","1","8","10","1") = "9"
    & skf18("8","1","1","1","9","1","1") = "8"
    & skf18("8","1","1","1","9","2","1") = "8"
    & skf18("8","1","1","1","9","3","1") = "8"
    & skf18("8","1","1","1","9","4","1") = "8"
    & skf18("8","1","1","1","9","5","1") = "8"
    & skf18("8","1","1","1","9","6","1") = "8"
    & skf18("8","1","1","1","9","7","1") = "8"
    & skf18("8","1","1","1","9","8","1") = "8"
    & skf18("8","1","1","1","9","9","1") = "8"
    & skf18("8","1","1","1","9","10","1") = "9"
    & skf18("8","1","1","1","10","1","1") = "9"
    & skf18("8","1","1","1","10","2","1") = "9"
    & skf18("8","1","1","1","10","3","1") = "9"
    & skf18("8","1","1","1","10","4","1") = "9"
    & skf18("8","1","1","1","10","5","1") = "9"
    & skf18("8","1","1","1","10","6","1") = "9"
    & skf18("8","1","1","1","10","7","1") = "9"
    & skf18("8","1","1","1","10","8","1") = "9"
    & skf18("8","1","1","1","10","9","1") = "9"
    & skf18("8","1","1","1","10","10","1") = "9"
    & skf18("8","1","1","2","1","1","1") = "7"
    & skf18("8","1","1","2","1","2","1") = "7"
    & skf18("8","1","1","2","1","3","1") = "7"
    & skf18("8","1","1","2","1","4","1") = "7"
    & skf18("8","1","1","2","1","5","1") = "7"
    & skf18("8","1","1","2","1","6","1") = "7"
    & skf18("8","1","1","2","1","7","1") = "7"
    & skf18("8","1","1","2","1","8","1") = "7"
    & skf18("8","1","1","2","1","9","1") = "8"
    & skf18("8","1","1","2","1","10","1") = "9"
    & skf18("8","1","1","2","2","1","1") = "7"
    & skf18("8","1","1","2","2","2","1") = "7"
    & skf18("8","1","1","2","2","3","1") = "7"
    & skf18("8","1","1","2","2","4","1") = "7"
    & skf18("8","1","1","2","2","5","1") = "7"
    & skf18("8","1","1","2","2","6","1") = "7"
    & skf18("8","1","1","2","2","7","1") = "7"
    & skf18("8","1","1","2","2","8","1") = "7"
    & skf18("8","1","1","2","2","9","1") = "8"
    & skf18("8","1","1","2","2","10","1") = "9"
    & skf18("8","1","1","2","3","1","1") = "7"
    & skf18("8","1","1","2","3","2","1") = "7"
    & skf18("8","1","1","2","3","3","1") = "7"
    & skf18("8","1","1","2","3","4","1") = "7"
    & skf18("8","1","1","2","3","5","1") = "7"
    & skf18("8","1","1","2","3","6","1") = "7"
    & skf18("8","1","1","2","3","7","1") = "7"
    & skf18("8","1","1","2","3","8","1") = "7"
    & skf18("8","1","1","2","3","9","1") = "8"
    & skf18("8","1","1","2","3","10","1") = "9"
    & skf18("8","1","1","2","4","1","1") = "7"
    & skf18("8","1","1","2","4","2","1") = "7"
    & skf18("8","1","1","2","4","3","1") = "7"
    & skf18("8","1","1","2","4","4","1") = "7"
    & skf18("8","1","1","2","4","5","1") = "7"
    & skf18("8","1","1","2","4","6","1") = "7"
    & skf18("8","1","1","2","4","7","1") = "7"
    & skf18("8","1","1","2","4","8","1") = "7"
    & skf18("8","1","1","2","4","9","1") = "8"
    & skf18("8","1","1","2","4","10","1") = "9"
    & skf18("8","1","1","2","5","1","1") = "7"
    & skf18("8","1","1","2","5","2","1") = "7"
    & skf18("8","1","1","2","5","3","1") = "7"
    & skf18("8","1","1","2","5","4","1") = "7"
    & skf18("8","1","1","2","5","5","1") = "7"
    & skf18("8","1","1","2","5","6","1") = "7"
    & skf18("8","1","1","2","5","7","1") = "7"
    & skf18("8","1","1","2","5","8","1") = "7"
    & skf18("8","1","1","2","5","9","1") = "8"
    & skf18("8","1","1","2","5","10","1") = "9"
    & skf18("8","1","1","2","6","1","1") = "7"
    & skf18("8","1","1","2","6","2","1") = "7"
    & skf18("8","1","1","2","6","3","1") = "7"
    & skf18("8","1","1","2","6","4","1") = "7"
    & skf18("8","1","1","2","6","5","1") = "7"
    & skf18("8","1","1","2","6","6","1") = "7"
    & skf18("8","1","1","2","6","7","1") = "7"
    & skf18("8","1","1","2","6","8","1") = "7"
    & skf18("8","1","1","2","6","9","1") = "8"
    & skf18("8","1","1","2","6","10","1") = "9"
    & skf18("8","1","1","2","7","1","1") = "7"
    & skf18("8","1","1","2","7","2","1") = "7"
    & skf18("8","1","1","2","7","3","1") = "7"
    & skf18("8","1","1","2","7","4","1") = "7"
    & skf18("8","1","1","2","7","5","1") = "7"
    & skf18("8","1","1","2","7","6","1") = "7"
    & skf18("8","1","1","2","7","7","1") = "7"
    & skf18("8","1","1","2","7","8","1") = "7"
    & skf18("8","1","1","2","7","9","1") = "8"
    & skf18("8","1","1","2","7","10","1") = "9"
    & skf18("8","1","1","2","8","1","1") = "7"
    & skf18("8","1","1","2","8","2","1") = "7"
    & skf18("8","1","1","2","8","3","1") = "7"
    & skf18("8","1","1","2","8","4","1") = "7"
    & skf18("8","1","1","2","8","5","1") = "7"
    & skf18("8","1","1","2","8","6","1") = "7"
    & skf18("8","1","1","2","8","7","1") = "7"
    & skf18("8","1","1","2","8","8","1") = "7"
    & skf18("8","1","1","2","8","9","1") = "8"
    & skf18("8","1","1","2","8","10","1") = "9"
    & skf18("8","1","1","2","9","1","1") = "8"
    & skf18("8","1","1","2","9","2","1") = "8"
    & skf18("8","1","1","2","9","3","1") = "8"
    & skf18("8","1","1","2","9","4","1") = "8"
    & skf18("8","1","1","2","9","5","1") = "8"
    & skf18("8","1","1","2","9","6","1") = "8"
    & skf18("8","1","1","2","9","7","1") = "8"
    & skf18("8","1","1","2","9","8","1") = "8"
    & skf18("8","1","1","2","9","9","1") = "8"
    & skf18("8","1","1","2","9","10","1") = "9"
    & skf18("8","1","1","2","10","1","1") = "9"
    & skf18("8","1","1","2","10","2","1") = "9"
    & skf18("8","1","1","2","10","3","1") = "9"
    & skf18("8","1","1","2","10","4","1") = "9"
    & skf18("8","1","1","2","10","5","1") = "9"
    & skf18("8","1","1","2","10","6","1") = "9"
    & skf18("8","1","1","2","10","7","1") = "9"
    & skf18("8","1","1","2","10","8","1") = "9"
    & skf18("8","1","1","2","10","9","1") = "9"
    & skf18("8","1","1","2","10","10","1") = "9"
    & skf18("8","1","1","3","1","1","1") = "7"
    & skf18("8","1","1","3","1","2","1") = "7"
    & skf18("8","1","1","3","1","3","1") = "7"
    & skf18("8","1","1","3","1","4","1") = "7"
    & skf18("8","1","1","3","1","5","1") = "7"
    & skf18("8","1","1","3","1","6","1") = "7"
    & skf18("8","1","1","3","1","7","1") = "7"
    & skf18("8","1","1","3","1","8","1") = "7"
    & skf18("8","1","1","3","1","9","1") = "8"
    & skf18("8","1","1","3","1","10","1") = "9"
    & skf18("8","1","1","3","2","1","1") = "7"
    & skf18("8","1","1","3","2","2","1") = "7"
    & skf18("8","1","1","3","2","3","1") = "7"
    & skf18("8","1","1","3","2","4","1") = "7"
    & skf18("8","1","1","3","2","5","1") = "7"
    & skf18("8","1","1","3","2","6","1") = "7"
    & skf18("8","1","1","3","2","7","1") = "7"
    & skf18("8","1","1","3","2","8","1") = "7"
    & skf18("8","1","1","3","2","9","1") = "8"
    & skf18("8","1","1","3","2","10","1") = "9"
    & skf18("8","1","1","3","3","1","1") = "7"
    & skf18("8","1","1","3","3","2","1") = "7"
    & skf18("8","1","1","3","3","3","1") = "7"
    & skf18("8","1","1","3","3","4","1") = "7"
    & skf18("8","1","1","3","3","5","1") = "7"
    & skf18("8","1","1","3","3","6","1") = "7"
    & skf18("8","1","1","3","3","7","1") = "7"
    & skf18("8","1","1","3","3","8","1") = "7"
    & skf18("8","1","1","3","3","9","1") = "8"
    & skf18("8","1","1","3","3","10","1") = "9"
    & skf18("8","1","1","3","4","1","1") = "7"
    & skf18("8","1","1","3","4","2","1") = "7"
    & skf18("8","1","1","3","4","3","1") = "7"
    & skf18("8","1","1","3","4","4","1") = "7"
    & skf18("8","1","1","3","4","5","1") = "7"
    & skf18("8","1","1","3","4","6","1") = "7"
    & skf18("8","1","1","3","4","7","1") = "7"
    & skf18("8","1","1","3","4","8","1") = "7"
    & skf18("8","1","1","3","4","9","1") = "8"
    & skf18("8","1","1","3","4","10","1") = "9"
    & skf18("8","1","1","3","5","1","1") = "7"
    & skf18("8","1","1","3","5","2","1") = "7"
    & skf18("8","1","1","3","5","3","1") = "7"
    & skf18("8","1","1","3","5","4","1") = "7"
    & skf18("8","1","1","3","5","5","1") = "7"
    & skf18("8","1","1","3","5","6","1") = "7"
    & skf18("8","1","1","3","5","7","1") = "7"
    & skf18("8","1","1","3","5","8","1") = "7"
    & skf18("8","1","1","3","5","9","1") = "8"
    & skf18("8","1","1","3","5","10","1") = "9"
    & skf18("8","1","1","3","6","1","1") = "7"
    & skf18("8","1","1","3","6","2","1") = "7"
    & skf18("8","1","1","3","6","3","1") = "7"
    & skf18("8","1","1","3","6","4","1") = "7"
    & skf18("8","1","1","3","6","5","1") = "7"
    & skf18("8","1","1","3","6","6","1") = "7"
    & skf18("8","1","1","3","6","7","1") = "7"
    & skf18("8","1","1","3","6","8","1") = "7"
    & skf18("8","1","1","3","6","9","1") = "8"
    & skf18("8","1","1","3","6","10","1") = "9"
    & skf18("8","1","1","3","7","1","1") = "7"
    & skf18("8","1","1","3","7","2","1") = "7"
    & skf18("8","1","1","3","7","3","1") = "7"
    & skf18("8","1","1","3","7","4","1") = "7"
    & skf18("8","1","1","3","7","5","1") = "7"
    & skf18("8","1","1","3","7","6","1") = "7"
    & skf18("8","1","1","3","7","7","1") = "7"
    & skf18("8","1","1","3","7","8","1") = "7"
    & skf18("8","1","1","3","7","9","1") = "8"
    & skf18("8","1","1","3","7","10","1") = "9"
    & skf18("8","1","1","3","8","1","1") = "7"
    & skf18("8","1","1","3","8","2","1") = "7"
    & skf18("8","1","1","3","8","3","1") = "7"
    & skf18("8","1","1","3","8","4","1") = "7"
    & skf18("8","1","1","3","8","5","1") = "7"
    & skf18("8","1","1","3","8","6","1") = "7"
    & skf18("8","1","1","3","8","7","1") = "7"
    & skf18("8","1","1","3","8","8","1") = "7"
    & skf18("8","1","1","3","8","9","1") = "8"
    & skf18("8","1","1","3","8","10","1") = "9"
    & skf18("8","1","1","3","9","1","1") = "8"
    & skf18("8","1","1","3","9","2","1") = "8"
    & skf18("8","1","1","3","9","3","1") = "8"
    & skf18("8","1","1","3","9","4","1") = "8"
    & skf18("8","1","1","3","9","5","1") = "8"
    & skf18("8","1","1","3","9","6","1") = "8"
    & skf18("8","1","1","3","9","7","1") = "8"
    & skf18("8","1","1","3","9","8","1") = "8"
    & skf18("8","1","1","3","9","9","1") = "8"
    & skf18("8","1","1","3","9","10","1") = "9"
    & skf18("8","1","1","3","10","1","1") = "9"
    & skf18("8","1","1","3","10","2","1") = "9"
    & skf18("8","1","1","3","10","3","1") = "9"
    & skf18("8","1","1","3","10","4","1") = "9"
    & skf18("8","1","1","3","10","5","1") = "9"
    & skf18("8","1","1","3","10","6","1") = "9"
    & skf18("8","1","1","3","10","7","1") = "9"
    & skf18("8","1","1","3","10","8","1") = "9"
    & skf18("8","1","1","3","10","9","1") = "9"
    & skf18("8","1","1","3","10","10","1") = "9"
    & skf18("8","1","1","4","1","1","1") = "7"
    & skf18("8","1","1","4","1","2","1") = "7"
    & skf18("8","1","1","4","1","3","1") = "7"
    & skf18("8","1","1","4","1","4","1") = "7"
    & skf18("8","1","1","4","1","5","1") = "7"
    & skf18("8","1","1","4","1","6","1") = "7"
    & skf18("8","1","1","4","1","7","1") = "7"
    & skf18("8","1","1","4","1","8","1") = "7"
    & skf18("8","1","1","4","1","9","1") = "8"
    & skf18("8","1","1","4","1","10","1") = "9"
    & skf18("8","1","1","4","2","1","1") = "7"
    & skf18("8","1","1","4","2","2","1") = "7"
    & skf18("8","1","1","4","2","3","1") = "7"
    & skf18("8","1","1","4","2","4","1") = "7"
    & skf18("8","1","1","4","2","5","1") = "7"
    & skf18("8","1","1","4","2","6","1") = "7"
    & skf18("8","1","1","4","2","7","1") = "7"
    & skf18("8","1","1","4","2","8","1") = "7"
    & skf18("8","1","1","4","2","9","1") = "8"
    & skf18("8","1","1","4","2","10","1") = "9"
    & skf18("8","1","1","4","3","1","1") = "7"
    & skf18("8","1","1","4","3","2","1") = "7"
    & skf18("8","1","1","4","3","3","1") = "7"
    & skf18("8","1","1","4","3","4","1") = "7"
    & skf18("8","1","1","4","3","5","1") = "7"
    & skf18("8","1","1","4","3","6","1") = "7"
    & skf18("8","1","1","4","3","7","1") = "7"
    & skf18("8","1","1","4","3","8","1") = "7"
    & skf18("8","1","1","4","3","9","1") = "8"
    & skf18("8","1","1","4","3","10","1") = "9"
    & skf18("8","1","1","4","4","1","1") = "7"
    & skf18("8","1","1","4","4","2","1") = "7"
    & skf18("8","1","1","4","4","3","1") = "7"
    & skf18("8","1","1","4","4","4","1") = "7"
    & skf18("8","1","1","4","4","5","1") = "7"
    & skf18("8","1","1","4","4","6","1") = "7"
    & skf18("8","1","1","4","4","7","1") = "7"
    & skf18("8","1","1","4","4","8","1") = "7"
    & skf18("8","1","1","4","4","9","1") = "8"
    & skf18("8","1","1","4","4","10","1") = "9"
    & skf18("8","1","1","4","5","1","1") = "7"
    & skf18("8","1","1","4","5","2","1") = "7"
    & skf18("8","1","1","4","5","3","1") = "7"
    & skf18("8","1","1","4","5","4","1") = "7"
    & skf18("8","1","1","4","5","5","1") = "7"
    & skf18("8","1","1","4","5","6","1") = "7"
    & skf18("8","1","1","4","5","7","1") = "7"
    & skf18("8","1","1","4","5","8","1") = "7"
    & skf18("8","1","1","4","5","9","1") = "8"
    & skf18("8","1","1","4","5","10","1") = "9"
    & skf18("8","1","1","4","6","1","1") = "7"
    & skf18("8","1","1","4","6","2","1") = "7"
    & skf18("8","1","1","4","6","3","1") = "7"
    & skf18("8","1","1","4","6","4","1") = "7"
    & skf18("8","1","1","4","6","5","1") = "7"
    & skf18("8","1","1","4","6","6","1") = "7"
    & skf18("8","1","1","4","6","7","1") = "7"
    & skf18("8","1","1","4","6","8","1") = "7"
    & skf18("8","1","1","4","6","9","1") = "8"
    & skf18("8","1","1","4","6","10","1") = "9"
    & skf18("8","1","1","4","7","1","1") = "7"
    & skf18("8","1","1","4","7","2","1") = "7"
    & skf18("8","1","1","4","7","3","1") = "7"
    & skf18("8","1","1","4","7","4","1") = "7"
    & skf18("8","1","1","4","7","5","1") = "7"
    & skf18("8","1","1","4","7","6","1") = "7"
    & skf18("8","1","1","4","7","7","1") = "7"
    & skf18("8","1","1","4","7","8","1") = "7"
    & skf18("8","1","1","4","7","9","1") = "8"
    & skf18("8","1","1","4","7","10","1") = "9"
    & skf18("8","1","1","4","8","1","1") = "7"
    & skf18("8","1","1","4","8","2","1") = "7"
    & skf18("8","1","1","4","8","3","1") = "7"
    & skf18("8","1","1","4","8","4","1") = "7"
    & skf18("8","1","1","4","8","5","1") = "7"
    & skf18("8","1","1","4","8","6","1") = "7"
    & skf18("8","1","1","4","8","7","1") = "7"
    & skf18("8","1","1","4","8","8","1") = "7"
    & skf18("8","1","1","4","8","9","1") = "8"
    & skf18("8","1","1","4","8","10","1") = "9"
    & skf18("8","1","1","4","9","1","1") = "8"
    & skf18("8","1","1","4","9","2","1") = "8"
    & skf18("8","1","1","4","9","3","1") = "8"
    & skf18("8","1","1","4","9","4","1") = "8"
    & skf18("8","1","1","4","9","5","1") = "8"
    & skf18("8","1","1","4","9","6","1") = "8"
    & skf18("8","1","1","4","9","7","1") = "8"
    & skf18("8","1","1","4","9","8","1") = "8"
    & skf18("8","1","1","4","9","9","1") = "8"
    & skf18("8","1","1","4","9","10","1") = "9"
    & skf18("8","1","1","4","10","1","1") = "9"
    & skf18("8","1","1","4","10","2","1") = "9"
    & skf18("8","1","1","4","10","3","1") = "9"
    & skf18("8","1","1","4","10","4","1") = "9"
    & skf18("8","1","1","4","10","5","1") = "9"
    & skf18("8","1","1","4","10","6","1") = "9"
    & skf18("8","1","1","4","10","7","1") = "9"
    & skf18("8","1","1","4","10","8","1") = "9"
    & skf18("8","1","1","4","10","9","1") = "9"
    & skf18("8","1","1","4","10","10","1") = "9"
    & skf18("8","1","1","5","1","1","1") = "7"
    & skf18("8","1","1","5","1","2","1") = "7"
    & skf18("8","1","1","5","1","3","1") = "7"
    & skf18("8","1","1","5","1","4","1") = "7"
    & skf18("8","1","1","5","1","5","1") = "7"
    & skf18("8","1","1","5","1","6","1") = "7"
    & skf18("8","1","1","5","1","7","1") = "7"
    & skf18("8","1","1","5","1","8","1") = "7"
    & skf18("8","1","1","5","1","9","1") = "8"
    & skf18("8","1","1","5","1","10","1") = "9"
    & skf18("8","1","1","5","2","1","1") = "7"
    & skf18("8","1","1","5","2","2","1") = "7"
    & skf18("8","1","1","5","2","3","1") = "7"
    & skf18("8","1","1","5","2","4","1") = "7"
    & skf18("8","1","1","5","2","5","1") = "7"
    & skf18("8","1","1","5","2","6","1") = "7"
    & skf18("8","1","1","5","2","7","1") = "7"
    & skf18("8","1","1","5","2","8","1") = "7"
    & skf18("8","1","1","5","2","9","1") = "8"
    & skf18("8","1","1","5","2","10","1") = "9"
    & skf18("8","1","1","5","3","1","1") = "7"
    & skf18("8","1","1","5","3","2","1") = "7"
    & skf18("8","1","1","5","3","3","1") = "7"
    & skf18("8","1","1","5","3","4","1") = "7"
    & skf18("8","1","1","5","3","5","1") = "7"
    & skf18("8","1","1","5","3","6","1") = "7"
    & skf18("8","1","1","5","3","7","1") = "7"
    & skf18("8","1","1","5","3","8","1") = "7"
    & skf18("8","1","1","5","3","9","1") = "8"
    & skf18("8","1","1","5","3","10","1") = "9"
    & skf18("8","1","1","5","4","1","1") = "7"
    & skf18("8","1","1","5","4","2","1") = "7"
    & skf18("8","1","1","5","4","3","1") = "7"
    & skf18("8","1","1","5","4","4","1") = "7"
    & skf18("8","1","1","5","4","5","1") = "7"
    & skf18("8","1","1","5","4","6","1") = "7"
    & skf18("8","1","1","5","4","7","1") = "7"
    & skf18("8","1","1","5","4","8","1") = "7"
    & skf18("8","1","1","5","4","9","1") = "8"
    & skf18("8","1","1","5","4","10","1") = "9"
    & skf18("8","1","1","5","5","1","1") = "7"
    & skf18("8","1","1","5","5","2","1") = "7"
    & skf18("8","1","1","5","5","3","1") = "7"
    & skf18("8","1","1","5","5","4","1") = "7"
    & skf18("8","1","1","5","5","5","1") = "7"
    & skf18("8","1","1","5","5","6","1") = "7"
    & skf18("8","1","1","5","5","7","1") = "7"
    & skf18("8","1","1","5","5","8","1") = "7"
    & skf18("8","1","1","5","5","9","1") = "8"
    & skf18("8","1","1","5","5","10","1") = "9"
    & skf18("8","1","1","5","6","1","1") = "7"
    & skf18("8","1","1","5","6","2","1") = "7"
    & skf18("8","1","1","5","6","3","1") = "7"
    & skf18("8","1","1","5","6","4","1") = "7"
    & skf18("8","1","1","5","6","5","1") = "7"
    & skf18("8","1","1","5","6","6","1") = "7"
    & skf18("8","1","1","5","6","7","1") = "7"
    & skf18("8","1","1","5","6","8","1") = "7"
    & skf18("8","1","1","5","6","9","1") = "8"
    & skf18("8","1","1","5","6","10","1") = "9"
    & skf18("8","1","1","5","7","1","1") = "7"
    & skf18("8","1","1","5","7","2","1") = "7"
    & skf18("8","1","1","5","7","3","1") = "7"
    & skf18("8","1","1","5","7","4","1") = "7"
    & skf18("8","1","1","5","7","5","1") = "7"
    & skf18("8","1","1","5","7","6","1") = "7"
    & skf18("8","1","1","5","7","7","1") = "7"
    & skf18("8","1","1","5","7","8","1") = "7"
    & skf18("8","1","1","5","7","9","1") = "8"
    & skf18("8","1","1","5","7","10","1") = "9"
    & skf18("8","1","1","5","8","1","1") = "7"
    & skf18("8","1","1","5","8","2","1") = "7"
    & skf18("8","1","1","5","8","3","1") = "7"
    & skf18("8","1","1","5","8","4","1") = "7"
    & skf18("8","1","1","5","8","5","1") = "7"
    & skf18("8","1","1","5","8","6","1") = "7"
    & skf18("8","1","1","5","8","7","1") = "7"
    & skf18("8","1","1","5","8","8","1") = "7"
    & skf18("8","1","1","5","8","9","1") = "8"
    & skf18("8","1","1","5","8","10","1") = "9"
    & skf18("8","1","1","5","9","1","1") = "8"
    & skf18("8","1","1","5","9","2","1") = "8"
    & skf18("8","1","1","5","9","3","1") = "8"
    & skf18("8","1","1","5","9","4","1") = "8"
    & skf18("8","1","1","5","9","5","1") = "8"
    & skf18("8","1","1","5","9","6","1") = "8"
    & skf18("8","1","1","5","9","7","1") = "8"
    & skf18("8","1","1","5","9","8","1") = "8"
    & skf18("8","1","1","5","9","9","1") = "8"
    & skf18("8","1","1","5","9","10","1") = "9"
    & skf18("8","1","1","5","10","1","1") = "9"
    & skf18("8","1","1","5","10","2","1") = "9"
    & skf18("8","1","1","5","10","3","1") = "9"
    & skf18("8","1","1","5","10","4","1") = "9"
    & skf18("8","1","1","5","10","5","1") = "9"
    & skf18("8","1","1","5","10","6","1") = "9"
    & skf18("8","1","1","5","10","7","1") = "9"
    & skf18("8","1","1","5","10","8","1") = "9"
    & skf18("8","1","1","5","10","9","1") = "9"
    & skf18("8","1","1","5","10","10","1") = "9"
    & skf18("8","1","1","6","1","1","1") = "7"
    & skf18("8","1","1","6","1","2","1") = "7"
    & skf18("8","1","1","6","1","3","1") = "7"
    & skf18("8","1","1","6","1","4","1") = "7"
    & skf18("8","1","1","6","1","5","1") = "7"
    & skf18("8","1","1","6","1","6","1") = "7"
    & skf18("8","1","1","6","1","7","1") = "7"
    & skf18("8","1","1","6","1","8","1") = "7"
    & skf18("8","1","1","6","1","9","1") = "8"
    & skf18("8","1","1","6","1","10","1") = "9"
    & skf18("8","1","1","6","2","1","1") = "7"
    & skf18("8","1","1","6","2","2","1") = "7"
    & skf18("8","1","1","6","2","3","1") = "7"
    & skf18("8","1","1","6","2","4","1") = "7"
    & skf18("8","1","1","6","2","5","1") = "7"
    & skf18("8","1","1","6","2","6","1") = "7"
    & skf18("8","1","1","6","2","7","1") = "7"
    & skf18("8","1","1","6","2","8","1") = "7"
    & skf18("8","1","1","6","2","9","1") = "8"
    & skf18("8","1","1","6","2","10","1") = "9"
    & skf18("8","1","1","6","3","1","1") = "7"
    & skf18("8","1","1","6","3","2","1") = "7"
    & skf18("8","1","1","6","3","3","1") = "7"
    & skf18("8","1","1","6","3","4","1") = "7"
    & skf18("8","1","1","6","3","5","1") = "7"
    & skf18("8","1","1","6","3","6","1") = "7"
    & skf18("8","1","1","6","3","7","1") = "7"
    & skf18("8","1","1","6","3","8","1") = "7"
    & skf18("8","1","1","6","3","9","1") = "8"
    & skf18("8","1","1","6","3","10","1") = "9"
    & skf18("8","1","1","6","4","1","1") = "7"
    & skf18("8","1","1","6","4","2","1") = "7"
    & skf18("8","1","1","6","4","3","1") = "7"
    & skf18("8","1","1","6","4","4","1") = "7"
    & skf18("8","1","1","6","4","5","1") = "7"
    & skf18("8","1","1","6","4","6","1") = "7"
    & skf18("8","1","1","6","4","7","1") = "7"
    & skf18("8","1","1","6","4","8","1") = "7"
    & skf18("8","1","1","6","4","9","1") = "8"
    & skf18("8","1","1","6","4","10","1") = "9"
    & skf18("8","1","1","6","5","1","1") = "7"
    & skf18("8","1","1","6","5","2","1") = "7"
    & skf18("8","1","1","6","5","3","1") = "7"
    & skf18("8","1","1","6","5","4","1") = "7"
    & skf18("8","1","1","6","5","5","1") = "7"
    & skf18("8","1","1","6","5","6","1") = "7"
    & skf18("8","1","1","6","5","7","1") = "7"
    & skf18("8","1","1","6","5","8","1") = "7"
    & skf18("8","1","1","6","5","9","1") = "8"
    & skf18("8","1","1","6","5","10","1") = "9"
    & skf18("8","1","1","6","6","1","1") = "7"
    & skf18("8","1","1","6","6","2","1") = "7"
    & skf18("8","1","1","6","6","3","1") = "7"
    & skf18("8","1","1","6","6","4","1") = "7"
    & skf18("8","1","1","6","6","5","1") = "7"
    & skf18("8","1","1","6","6","6","1") = "7"
    & skf18("8","1","1","6","6","7","1") = "7"
    & skf18("8","1","1","6","6","8","1") = "7"
    & skf18("8","1","1","6","6","9","1") = "8"
    & skf18("8","1","1","6","6","10","1") = "9"
    & skf18("8","1","1","6","7","1","1") = "7"
    & skf18("8","1","1","6","7","2","1") = "7"
    & skf18("8","1","1","6","7","3","1") = "7"
    & skf18("8","1","1","6","7","4","1") = "7"
    & skf18("8","1","1","6","7","5","1") = "7"
    & skf18("8","1","1","6","7","6","1") = "7"
    & skf18("8","1","1","6","7","7","1") = "7"
    & skf18("8","1","1","6","7","8","1") = "7"
    & skf18("8","1","1","6","7","9","1") = "8"
    & skf18("8","1","1","6","7","10","1") = "9"
    & skf18("8","1","1","6","8","1","1") = "7"
    & skf18("8","1","1","6","8","2","1") = "7"
    & skf18("8","1","1","6","8","3","1") = "7"
    & skf18("8","1","1","6","8","4","1") = "7"
    & skf18("8","1","1","6","8","5","1") = "7"
    & skf18("8","1","1","6","8","6","1") = "7"
    & skf18("8","1","1","6","8","7","1") = "7"
    & skf18("8","1","1","6","8","8","1") = "7"
    & skf18("8","1","1","6","8","9","1") = "8"
    & skf18("8","1","1","6","8","10","1") = "9"
    & skf18("8","1","1","6","9","1","1") = "8"
    & skf18("8","1","1","6","9","2","1") = "8"
    & skf18("8","1","1","6","9","3","1") = "8"
    & skf18("8","1","1","6","9","4","1") = "8"
    & skf18("8","1","1","6","9","5","1") = "8"
    & skf18("8","1","1","6","9","6","1") = "8"
    & skf18("8","1","1","6","9","7","1") = "8"
    & skf18("8","1","1","6","9","8","1") = "8"
    & skf18("8","1","1","6","9","9","1") = "8"
    & skf18("8","1","1","6","9","10","1") = "9"
    & skf18("8","1","1","6","10","1","1") = "9"
    & skf18("8","1","1","6","10","2","1") = "9"
    & skf18("8","1","1","6","10","3","1") = "9"
    & skf18("8","1","1","6","10","4","1") = "9"
    & skf18("8","1","1","6","10","5","1") = "9"
    & skf18("8","1","1","6","10","6","1") = "9"
    & skf18("8","1","1","6","10","7","1") = "9"
    & skf18("8","1","1","6","10","8","1") = "9"
    & skf18("8","1","1","6","10","9","1") = "9"
    & skf18("8","1","1","6","10","10","1") = "9"
    & skf18("8","1","1","7","1","1","1") = "7"
    & skf18("8","1","1","7","1","2","1") = "7"
    & skf18("8","1","1","7","1","3","1") = "7"
    & skf18("8","1","1","7","1","4","1") = "7"
    & skf18("8","1","1","7","1","5","1") = "7"
    & skf18("8","1","1","7","1","6","1") = "7"
    & skf18("8","1","1","7","1","7","1") = "7"
    & skf18("8","1","1","7","1","8","1") = "7"
    & skf18("8","1","1","7","1","9","1") = "8"
    & skf18("8","1","1","7","1","10","1") = "9"
    & skf18("8","1","1","7","2","1","1") = "7"
    & skf18("8","1","1","7","2","2","1") = "7"
    & skf18("8","1","1","7","2","3","1") = "7"
    & skf18("8","1","1","7","2","4","1") = "7"
    & skf18("8","1","1","7","2","5","1") = "7"
    & skf18("8","1","1","7","2","6","1") = "7"
    & skf18("8","1","1","7","2","7","1") = "7"
    & skf18("8","1","1","7","2","8","1") = "7"
    & skf18("8","1","1","7","2","9","1") = "8"
    & skf18("8","1","1","7","2","10","1") = "9"
    & skf18("8","1","1","7","3","1","1") = "7"
    & skf18("8","1","1","7","3","2","1") = "7"
    & skf18("8","1","1","7","3","3","1") = "7"
    & skf18("8","1","1","7","3","4","1") = "7"
    & skf18("8","1","1","7","3","5","1") = "7"
    & skf18("8","1","1","7","3","6","1") = "7"
    & skf18("8","1","1","7","3","7","1") = "7"
    & skf18("8","1","1","7","3","8","1") = "7"
    & skf18("8","1","1","7","3","9","1") = "8"
    & skf18("8","1","1","7","3","10","1") = "9"
    & skf18("8","1","1","7","4","1","1") = "7"
    & skf18("8","1","1","7","4","2","1") = "7"
    & skf18("8","1","1","7","4","3","1") = "7"
    & skf18("8","1","1","7","4","4","1") = "7"
    & skf18("8","1","1","7","4","5","1") = "7"
    & skf18("8","1","1","7","4","6","1") = "7"
    & skf18("8","1","1","7","4","7","1") = "7"
    & skf18("8","1","1","7","4","8","1") = "7"
    & skf18("8","1","1","7","4","9","1") = "8"
    & skf18("8","1","1","7","4","10","1") = "9"
    & skf18("8","1","1","7","5","1","1") = "7"
    & skf18("8","1","1","7","5","2","1") = "7"
    & skf18("8","1","1","7","5","3","1") = "7"
    & skf18("8","1","1","7","5","4","1") = "7"
    & skf18("8","1","1","7","5","5","1") = "7"
    & skf18("8","1","1","7","5","6","1") = "7"
    & skf18("8","1","1","7","5","7","1") = "7"
    & skf18("8","1","1","7","5","8","1") = "7"
    & skf18("8","1","1","7","5","9","1") = "8"
    & skf18("8","1","1","7","5","10","1") = "9"
    & skf18("8","1","1","7","6","1","1") = "7"
    & skf18("8","1","1","7","6","2","1") = "7"
    & skf18("8","1","1","7","6","3","1") = "7"
    & skf18("8","1","1","7","6","4","1") = "7"
    & skf18("8","1","1","7","6","5","1") = "7"
    & skf18("8","1","1","7","6","6","1") = "7"
    & skf18("8","1","1","7","6","7","1") = "7"
    & skf18("8","1","1","7","6","8","1") = "7"
    & skf18("8","1","1","7","6","9","1") = "8"
    & skf18("8","1","1","7","6","10","1") = "9"
    & skf18("8","1","1","7","7","1","1") = "7"
    & skf18("8","1","1","7","7","2","1") = "7"
    & skf18("8","1","1","7","7","3","1") = "7"
    & skf18("8","1","1","7","7","4","1") = "7"
    & skf18("8","1","1","7","7","5","1") = "7"
    & skf18("8","1","1","7","7","6","1") = "7"
    & skf18("8","1","1","7","7","7","1") = "7"
    & skf18("8","1","1","7","7","8","1") = "7"
    & skf18("8","1","1","7","7","9","1") = "8"
    & skf18("8","1","1","7","7","10","1") = "9"
    & skf18("8","1","1","7","8","1","1") = "7"
    & skf18("8","1","1","7","8","2","1") = "7"
    & skf18("8","1","1","7","8","3","1") = "7"
    & skf18("8","1","1","7","8","4","1") = "7"
    & skf18("8","1","1","7","8","5","1") = "7"
    & skf18("8","1","1","7","8","6","1") = "7"
    & skf18("8","1","1","7","8","7","1") = "7"
    & skf18("8","1","1","7","8","8","1") = "7"
    & skf18("8","1","1","7","8","9","1") = "8"
    & skf18("8","1","1","7","8","10","1") = "9"
    & skf18("8","1","1","7","9","1","1") = "8"
    & skf18("8","1","1","7","9","2","1") = "8"
    & skf18("8","1","1","7","9","3","1") = "8"
    & skf18("8","1","1","7","9","4","1") = "8"
    & skf18("8","1","1","7","9","5","1") = "8"
    & skf18("8","1","1","7","9","6","1") = "8"
    & skf18("8","1","1","7","9","7","1") = "8"
    & skf18("8","1","1","7","9","8","1") = "8"
    & skf18("8","1","1","7","9","9","1") = "8"
    & skf18("8","1","1","7","9","10","1") = "9"
    & skf18("8","1","1","7","10","1","1") = "9"
    & skf18("8","1","1","7","10","2","1") = "9"
    & skf18("8","1","1","7","10","3","1") = "9"
    & skf18("8","1","1","7","10","4","1") = "9"
    & skf18("8","1","1","7","10","5","1") = "9"
    & skf18("8","1","1","7","10","6","1") = "9"
    & skf18("8","1","1","7","10","7","1") = "9"
    & skf18("8","1","1","7","10","8","1") = "9"
    & skf18("8","1","1","7","10","9","1") = "9"
    & skf18("8","1","1","7","10","10","1") = "9"
    & skf18("8","1","1","8","1","1","1") = "7"
    & skf18("8","1","1","8","1","2","1") = "7"
    & skf18("8","1","1","8","1","3","1") = "7"
    & skf18("8","1","1","8","1","4","1") = "7"
    & skf18("8","1","1","8","1","5","1") = "7"
    & skf18("8","1","1","8","1","6","1") = "7"
    & skf18("8","1","1","8","1","7","1") = "7"
    & skf18("8","1","1","8","1","8","1") = "7"
    & skf18("8","1","1","8","1","9","1") = "8"
    & skf18("8","1","1","8","1","10","1") = "9"
    & skf18("8","1","1","8","2","1","1") = "7"
    & skf18("8","1","1","8","2","2","1") = "7"
    & skf18("8","1","1","8","2","3","1") = "7"
    & skf18("8","1","1","8","2","4","1") = "7"
    & skf18("8","1","1","8","2","5","1") = "7"
    & skf18("8","1","1","8","2","6","1") = "7"
    & skf18("8","1","1","8","2","7","1") = "7"
    & skf18("8","1","1","8","2","8","1") = "7"
    & skf18("8","1","1","8","2","9","1") = "8"
    & skf18("8","1","1","8","2","10","1") = "9"
    & skf18("8","1","1","8","3","1","1") = "7"
    & skf18("8","1","1","8","3","2","1") = "7"
    & skf18("8","1","1","8","3","3","1") = "7"
    & skf18("8","1","1","8","3","4","1") = "7"
    & skf18("8","1","1","8","3","5","1") = "7"
    & skf18("8","1","1","8","3","6","1") = "7"
    & skf18("8","1","1","8","3","7","1") = "7"
    & skf18("8","1","1","8","3","8","1") = "7"
    & skf18("8","1","1","8","3","9","1") = "8"
    & skf18("8","1","1","8","3","10","1") = "9"
    & skf18("8","1","1","8","4","1","1") = "7"
    & skf18("8","1","1","8","4","2","1") = "7"
    & skf18("8","1","1","8","4","3","1") = "7"
    & skf18("8","1","1","8","4","4","1") = "7"
    & skf18("8","1","1","8","4","5","1") = "7"
    & skf18("8","1","1","8","4","6","1") = "7"
    & skf18("8","1","1","8","4","7","1") = "7"
    & skf18("8","1","1","8","4","8","1") = "7"
    & skf18("8","1","1","8","4","9","1") = "8"
    & skf18("8","1","1","8","4","10","1") = "9"
    & skf18("8","1","1","8","5","1","1") = "7"
    & skf18("8","1","1","8","5","2","1") = "7"
    & skf18("8","1","1","8","5","3","1") = "7"
    & skf18("8","1","1","8","5","4","1") = "7"
    & skf18("8","1","1","8","5","5","1") = "7"
    & skf18("8","1","1","8","5","6","1") = "7"
    & skf18("8","1","1","8","5","7","1") = "7"
    & skf18("8","1","1","8","5","8","1") = "7"
    & skf18("8","1","1","8","5","9","1") = "8"
    & skf18("8","1","1","8","5","10","1") = "9"
    & skf18("8","1","1","8","6","1","1") = "7"
    & skf18("8","1","1","8","6","2","1") = "7"
    & skf18("8","1","1","8","6","3","1") = "7"
    & skf18("8","1","1","8","6","4","1") = "7"
    & skf18("8","1","1","8","6","5","1") = "7"
    & skf18("8","1","1","8","6","6","1") = "7"
    & skf18("8","1","1","8","6","7","1") = "7"
    & skf18("8","1","1","8","6","8","1") = "7"
    & skf18("8","1","1","8","6","9","1") = "8"
    & skf18("8","1","1","8","6","10","1") = "9"
    & skf18("8","1","1","8","7","1","1") = "7"
    & skf18("8","1","1","8","7","2","1") = "7"
    & skf18("8","1","1","8","7","3","1") = "7"
    & skf18("8","1","1","8","7","4","1") = "7"
    & skf18("8","1","1","8","7","5","1") = "7"
    & skf18("8","1","1","8","7","6","1") = "7"
    & skf18("8","1","1","8","7","7","1") = "7"
    & skf18("8","1","1","8","7","8","1") = "7"
    & skf18("8","1","1","8","7","9","1") = "8"
    & skf18("8","1","1","8","7","10","1") = "9"
    & skf18("8","1","1","8","8","1","1") = "7"
    & skf18("8","1","1","8","8","2","1") = "7"
    & skf18("8","1","1","8","8","3","1") = "7"
    & skf18("8","1","1","8","8","4","1") = "7"
    & skf18("8","1","1","8","8","5","1") = "7"
    & skf18("8","1","1","8","8","6","1") = "7"
    & skf18("8","1","1","8","8","7","1") = "7"
    & skf18("8","1","1","8","8","8","1") = "7"
    & skf18("8","1","1","8","8","9","1") = "8"
    & skf18("8","1","1","8","8","10","1") = "9"
    & skf18("8","1","1","8","9","1","1") = "8"
    & skf18("8","1","1","8","9","2","1") = "8"
    & skf18("8","1","1","8","9","3","1") = "8"
    & skf18("8","1","1","8","9","4","1") = "8"
    & skf18("8","1","1","8","9","5","1") = "8"
    & skf18("8","1","1","8","9","6","1") = "8"
    & skf18("8","1","1","8","9","7","1") = "8"
    & skf18("8","1","1","8","9","8","1") = "8"
    & skf18("8","1","1","8","9","9","1") = "8"
    & skf18("8","1","1","8","9","10","1") = "9"
    & skf18("8","1","1","8","10","1","1") = "9"
    & skf18("8","1","1","8","10","2","1") = "9"
    & skf18("8","1","1","8","10","3","1") = "9"
    & skf18("8","1","1","8","10","4","1") = "9"
    & skf18("8","1","1","8","10","5","1") = "9"
    & skf18("8","1","1","8","10","6","1") = "9"
    & skf18("8","1","1","8","10","7","1") = "9"
    & skf18("8","1","1","8","10","8","1") = "9"
    & skf18("8","1","1","8","10","9","1") = "9"
    & skf18("8","1","1","8","10","10","1") = "9"
    & skf18("8","1","1","9","1","1","1") = "8"
    & skf18("8","1","1","9","1","2","1") = "8"
    & skf18("8","1","1","9","1","3","1") = "8"
    & skf18("8","1","1","9","1","4","1") = "8"
    & skf18("8","1","1","9","1","5","1") = "8"
    & skf18("8","1","1","9","1","6","1") = "8"
    & skf18("8","1","1","9","1","7","1") = "8"
    & skf18("8","1","1","9","1","8","1") = "8"
    & skf18("8","1","1","9","1","9","1") = "8"
    & skf18("8","1","1","9","1","10","1") = "9"
    & skf18("8","1","1","9","2","1","1") = "8"
    & skf18("8","1","1","9","2","2","1") = "8"
    & skf18("8","1","1","9","2","3","1") = "8"
    & skf18("8","1","1","9","2","4","1") = "8"
    & skf18("8","1","1","9","2","5","1") = "8"
    & skf18("8","1","1","9","2","6","1") = "8"
    & skf18("8","1","1","9","2","7","1") = "8"
    & skf18("8","1","1","9","2","8","1") = "8"
    & skf18("8","1","1","9","2","9","1") = "8"
    & skf18("8","1","1","9","2","10","1") = "9"
    & skf18("8","1","1","9","3","1","1") = "8"
    & skf18("8","1","1","9","3","2","1") = "8"
    & skf18("8","1","1","9","3","3","1") = "8"
    & skf18("8","1","1","9","3","4","1") = "8"
    & skf18("8","1","1","9","3","5","1") = "8"
    & skf18("8","1","1","9","3","6","1") = "8"
    & skf18("8","1","1","9","3","7","1") = "8"
    & skf18("8","1","1","9","3","8","1") = "8"
    & skf18("8","1","1","9","3","9","1") = "8"
    & skf18("8","1","1","9","3","10","1") = "9"
    & skf18("8","1","1","9","4","1","1") = "8"
    & skf18("8","1","1","9","4","2","1") = "8"
    & skf18("8","1","1","9","4","3","1") = "8"
    & skf18("8","1","1","9","4","4","1") = "8"
    & skf18("8","1","1","9","4","5","1") = "8"
    & skf18("8","1","1","9","4","6","1") = "8"
    & skf18("8","1","1","9","4","7","1") = "8"
    & skf18("8","1","1","9","4","8","1") = "8"
    & skf18("8","1","1","9","4","9","1") = "8"
    & skf18("8","1","1","9","4","10","1") = "9"
    & skf18("8","1","1","9","5","1","1") = "8"
    & skf18("8","1","1","9","5","2","1") = "8"
    & skf18("8","1","1","9","5","3","1") = "8"
    & skf18("8","1","1","9","5","4","1") = "8"
    & skf18("8","1","1","9","5","5","1") = "8"
    & skf18("8","1","1","9","5","6","1") = "8"
    & skf18("8","1","1","9","5","7","1") = "8"
    & skf18("8","1","1","9","5","8","1") = "8"
    & skf18("8","1","1","9","5","9","1") = "8"
    & skf18("8","1","1","9","5","10","1") = "9"
    & skf18("8","1","1","9","6","1","1") = "8"
    & skf18("8","1","1","9","6","2","1") = "8"
    & skf18("8","1","1","9","6","3","1") = "8"
    & skf18("8","1","1","9","6","4","1") = "8"
    & skf18("8","1","1","9","6","5","1") = "8"
    & skf18("8","1","1","9","6","6","1") = "8"
    & skf18("8","1","1","9","6","7","1") = "8"
    & skf18("8","1","1","9","6","8","1") = "8"
    & skf18("8","1","1","9","6","9","1") = "8"
    & skf18("8","1","1","9","6","10","1") = "9"
    & skf18("8","1","1","9","7","1","1") = "8"
    & skf18("8","1","1","9","7","2","1") = "8"
    & skf18("8","1","1","9","7","3","1") = "8"
    & skf18("8","1","1","9","7","4","1") = "8"
    & skf18("8","1","1","9","7","5","1") = "8"
    & skf18("8","1","1","9","7","6","1") = "8"
    & skf18("8","1","1","9","7","7","1") = "8"
    & skf18("8","1","1","9","7","8","1") = "8"
    & skf18("8","1","1","9","7","9","1") = "8"
    & skf18("8","1","1","9","7","10","1") = "9"
    & skf18("8","1","1","9","8","1","1") = "8"
    & skf18("8","1","1","9","8","2","1") = "8"
    & skf18("8","1","1","9","8","3","1") = "8"
    & skf18("8","1","1","9","8","4","1") = "8"
    & skf18("8","1","1","9","8","5","1") = "8"
    & skf18("8","1","1","9","8","6","1") = "8"
    & skf18("8","1","1","9","8","7","1") = "8"
    & skf18("8","1","1","9","8","8","1") = "8"
    & skf18("8","1","1","9","8","9","1") = "8"
    & skf18("8","1","1","9","8","10","1") = "9"
    & skf18("8","1","1","9","9","1","1") = "8"
    & skf18("8","1","1","9","9","2","1") = "8"
    & skf18("8","1","1","9","9","3","1") = "8"
    & skf18("8","1","1","9","9","4","1") = "8"
    & skf18("8","1","1","9","9","5","1") = "8"
    & skf18("8","1","1","9","9","6","1") = "8"
    & skf18("8","1","1","9","9","7","1") = "8"
    & skf18("8","1","1","9","9","8","1") = "8"
    & skf18("8","1","1","9","9","9","1") = "8"
    & skf18("8","1","1","9","9","10","1") = "9"
    & skf18("8","1","1","9","10","1","1") = "9"
    & skf18("8","1","1","9","10","2","1") = "9"
    & skf18("8","1","1","9","10","3","1") = "9"
    & skf18("8","1","1","9","10","4","1") = "9"
    & skf18("8","1","1","9","10","5","1") = "9"
    & skf18("8","1","1","9","10","6","1") = "9"
    & skf18("8","1","1","9","10","7","1") = "9"
    & skf18("8","1","1","9","10","8","1") = "9"
    & skf18("8","1","1","9","10","9","1") = "9"
    & skf18("8","1","1","9","10","10","1") = "9"
    & skf18("8","1","1","10","1","1","1") = "9"
    & skf18("8","1","1","10","1","2","1") = "9"
    & skf18("8","1","1","10","1","3","1") = "9"
    & skf18("8","1","1","10","1","4","1") = "9"
    & skf18("8","1","1","10","1","5","1") = "9"
    & skf18("8","1","1","10","1","6","1") = "9"
    & skf18("8","1","1","10","1","7","1") = "9"
    & skf18("8","1","1","10","1","8","1") = "9"
    & skf18("8","1","1","10","1","9","1") = "9"
    & skf18("8","1","1","10","1","10","1") = "9"
    & skf18("8","1","1","10","2","1","1") = "9"
    & skf18("8","1","1","10","2","2","1") = "9"
    & skf18("8","1","1","10","2","3","1") = "9"
    & skf18("8","1","1","10","2","4","1") = "9"
    & skf18("8","1","1","10","2","5","1") = "9"
    & skf18("8","1","1","10","2","6","1") = "9"
    & skf18("8","1","1","10","2","7","1") = "9"
    & skf18("8","1","1","10","2","8","1") = "9"
    & skf18("8","1","1","10","2","9","1") = "9"
    & skf18("8","1","1","10","2","10","1") = "9"
    & skf18("8","1","1","10","3","1","1") = "9"
    & skf18("8","1","1","10","3","2","1") = "9"
    & skf18("8","1","1","10","3","3","1") = "9"
    & skf18("8","1","1","10","3","4","1") = "9"
    & skf18("8","1","1","10","3","5","1") = "9"
    & skf18("8","1","1","10","3","6","1") = "9"
    & skf18("8","1","1","10","3","7","1") = "9"
    & skf18("8","1","1","10","3","8","1") = "9"
    & skf18("8","1","1","10","3","9","1") = "9"
    & skf18("8","1","1","10","3","10","1") = "9"
    & skf18("8","1","1","10","4","1","1") = "9"
    & skf18("8","1","1","10","4","2","1") = "9"
    & skf18("8","1","1","10","4","3","1") = "9"
    & skf18("8","1","1","10","4","4","1") = "9"
    & skf18("8","1","1","10","4","5","1") = "9"
    & skf18("8","1","1","10","4","6","1") = "9"
    & skf18("8","1","1","10","4","7","1") = "9"
    & skf18("8","1","1","10","4","8","1") = "9"
    & skf18("8","1","1","10","4","9","1") = "9"
    & skf18("8","1","1","10","4","10","1") = "9"
    & skf18("8","1","1","10","5","1","1") = "9"
    & skf18("8","1","1","10","5","2","1") = "9"
    & skf18("8","1","1","10","5","3","1") = "9"
    & skf18("8","1","1","10","5","4","1") = "9"
    & skf18("8","1","1","10","5","5","1") = "9"
    & skf18("8","1","1","10","5","6","1") = "9"
    & skf18("8","1","1","10","5","7","1") = "9"
    & skf18("8","1","1","10","5","8","1") = "9"
    & skf18("8","1","1","10","5","9","1") = "9"
    & skf18("8","1","1","10","5","10","1") = "9"
    & skf18("8","1","1","10","6","1","1") = "9"
    & skf18("8","1","1","10","6","2","1") = "9"
    & skf18("8","1","1","10","6","3","1") = "9"
    & skf18("8","1","1","10","6","4","1") = "9"
    & skf18("8","1","1","10","6","5","1") = "9"
    & skf18("8","1","1","10","6","6","1") = "9"
    & skf18("8","1","1","10","6","7","1") = "9"
    & skf18("8","1","1","10","6","8","1") = "9"
    & skf18("8","1","1","10","6","9","1") = "9"
    & skf18("8","1","1","10","6","10","1") = "9"
    & skf18("8","1","1","10","7","1","1") = "9"
    & skf18("8","1","1","10","7","2","1") = "9"
    & skf18("8","1","1","10","7","3","1") = "9"
    & skf18("8","1","1","10","7","4","1") = "9"
    & skf18("8","1","1","10","7","5","1") = "9"
    & skf18("8","1","1","10","7","6","1") = "9"
    & skf18("8","1","1","10","7","7","1") = "9"
    & skf18("8","1","1","10","7","8","1") = "9"
    & skf18("8","1","1","10","7","9","1") = "9"
    & skf18("8","1","1","10","7","10","1") = "9"
    & skf18("8","1","1","10","8","1","1") = "9"
    & skf18("8","1","1","10","8","2","1") = "9"
    & skf18("8","1","1","10","8","3","1") = "9"
    & skf18("8","1","1","10","8","4","1") = "9"
    & skf18("8","1","1","10","8","5","1") = "9"
    & skf18("8","1","1","10","8","6","1") = "9"
    & skf18("8","1","1","10","8","7","1") = "9"
    & skf18("8","1","1","10","8","8","1") = "9"
    & skf18("8","1","1","10","8","9","1") = "9"
    & skf18("8","1","1","10","8","10","1") = "9"
    & skf18("8","1","1","10","9","1","1") = "9"
    & skf18("8","1","1","10","9","2","1") = "9"
    & skf18("8","1","1","10","9","3","1") = "9"
    & skf18("8","1","1","10","9","4","1") = "9"
    & skf18("8","1","1","10","9","5","1") = "9"
    & skf18("8","1","1","10","9","6","1") = "9"
    & skf18("8","1","1","10","9","7","1") = "9"
    & skf18("8","1","1","10","9","8","1") = "9"
    & skf18("8","1","1","10","9","9","1") = "9"
    & skf18("8","1","1","10","9","10","1") = "9"
    & skf18("8","1","1","10","10","1","1") = "9"
    & skf18("8","1","1","10","10","2","1") = "9"
    & skf18("8","1","1","10","10","3","1") = "9"
    & skf18("8","1","1","10","10","4","1") = "9"
    & skf18("8","1","1","10","10","5","1") = "9"
    & skf18("8","1","1","10","10","6","1") = "9"
    & skf18("8","1","1","10","10","7","1") = "9"
    & skf18("8","1","1","10","10","8","1") = "9"
    & skf18("8","1","1","10","10","9","1") = "9"
    & skf18("8","1","1","10","10","10","1") = "9"
    & skf18("8","1","2","1","1","1","1") = "7"
    & skf18("8","1","2","1","1","2","1") = "7"
    & skf18("8","1","2","1","1","3","1") = "7"
    & skf18("8","1","2","1","1","4","1") = "7"
    & skf18("8","1","2","1","1","5","1") = "7"
    & skf18("8","1","2","1","1","6","1") = "7"
    & skf18("8","1","2","1","1","7","1") = "7"
    & skf18("8","1","2","1","1","8","1") = "7"
    & skf18("8","1","2","1","1","9","1") = "8"
    & skf18("8","1","2","1","1","10","1") = "9"
    & skf18("8","1","2","1","2","1","1") = "7"
    & skf18("8","1","2","1","2","2","1") = "7"
    & skf18("8","1","2","1","2","3","1") = "7"
    & skf18("8","1","2","1","2","4","1") = "7"
    & skf18("8","1","2","1","2","5","1") = "7"
    & skf18("8","1","2","1","2","6","1") = "7"
    & skf18("8","1","2","1","2","7","1") = "7"
    & skf18("8","1","2","1","2","8","1") = "7"
    & skf18("8","1","2","1","2","9","1") = "8"
    & skf18("8","1","2","1","2","10","1") = "9"
    & skf18("8","1","2","1","3","1","1") = "7"
    & skf18("8","1","2","1","3","2","1") = "7"
    & skf18("8","1","2","1","3","3","1") = "7"
    & skf18("8","1","2","1","3","4","1") = "7"
    & skf18("8","1","2","1","3","5","1") = "7"
    & skf18("8","1","2","1","3","6","1") = "7"
    & skf18("8","1","2","1","3","7","1") = "7"
    & skf18("8","1","2","1","3","8","1") = "7"
    & skf18("8","1","2","1","3","9","1") = "8"
    & skf18("8","1","2","1","3","10","1") = "9"
    & skf18("8","1","2","1","4","1","1") = "7"
    & skf18("8","1","2","1","4","2","1") = "7"
    & skf18("8","1","2","1","4","3","1") = "7"
    & skf18("8","1","2","1","4","4","1") = "7"
    & skf18("8","1","2","1","4","5","1") = "7"
    & skf18("8","1","2","1","4","6","1") = "7"
    & skf18("8","1","2","1","4","7","1") = "7"
    & skf18("8","1","2","1","4","8","1") = "7"
    & skf18("8","1","2","1","4","9","1") = "8"
    & skf18("8","1","2","1","4","10","1") = "9"
    & skf18("8","1","2","1","5","1","1") = "7"
    & skf18("8","1","2","1","5","2","1") = "7"
    & skf18("8","1","2","1","5","3","1") = "7"
    & skf18("8","1","2","1","5","4","1") = "7"
    & skf18("8","1","2","1","5","5","1") = "7"
    & skf18("8","1","2","1","5","6","1") = "7"
    & skf18("8","1","2","1","5","7","1") = "7"
    & skf18("8","1","2","1","5","8","1") = "7"
    & skf18("8","1","2","1","5","9","1") = "8"
    & skf18("8","1","2","1","5","10","1") = "9"
    & skf18("8","1","2","1","6","1","1") = "7"
    & skf18("8","1","2","1","6","2","1") = "7"
    & skf18("8","1","2","1","6","3","1") = "7"
    & skf18("8","1","2","1","6","4","1") = "7"
    & skf18("8","1","2","1","6","5","1") = "7"
    & skf18("8","1","2","1","6","6","1") = "7"
    & skf18("8","1","2","1","6","7","1") = "7"
    & skf18("8","1","2","1","6","8","1") = "7"
    & skf18("8","1","2","1","6","9","1") = "8"
    & skf18("8","1","2","1","6","10","1") = "9"
    & skf18("8","1","2","1","7","1","1") = "7"
    & skf18("8","1","2","1","7","2","1") = "7"
    & skf18("8","1","2","1","7","3","1") = "7"
    & skf18("8","1","2","1","7","4","1") = "7"
    & skf18("8","1","2","1","7","5","1") = "7"
    & skf18("8","1","2","1","7","6","1") = "7"
    & skf18("8","1","2","1","7","7","1") = "7"
    & skf18("8","1","2","1","7","8","1") = "7"
    & skf18("8","1","2","1","7","9","1") = "8"
    & skf18("8","1","2","1","7","10","1") = "9"
    & skf18("8","1","2","1","8","1","1") = "7"
    & skf18("8","1","2","1","8","2","1") = "7"
    & skf18("8","1","2","1","8","3","1") = "7"
    & skf18("8","1","2","1","8","4","1") = "7"
    & skf18("8","1","2","1","8","5","1") = "7"
    & skf18("8","1","2","1","8","6","1") = "7"
    & skf18("8","1","2","1","8","7","1") = "7"
    & skf18("8","1","2","1","8","8","1") = "7"
    & skf18("8","1","2","1","8","9","1") = "8"
    & skf18("8","1","2","1","8","10","1") = "9"
    & skf18("8","1","2","1","9","1","1") = "8"
    & skf18("8","1","2","1","9","2","1") = "8"
    & skf18("8","1","2","1","9","3","1") = "8"
    & skf18("8","1","2","1","9","4","1") = "8"
    & skf18("8","1","2","1","9","5","1") = "8"
    & skf18("8","1","2","1","9","6","1") = "8"
    & skf18("8","1","2","1","9","7","1") = "8"
    & skf18("8","1","2","1","9","8","1") = "8"
    & skf18("8","1","2","1","9","9","1") = "8"
    & skf18("8","1","2","1","9","10","1") = "9"
    & skf18("8","1","2","1","10","1","1") = "9"
    & skf18("8","1","2","1","10","2","1") = "9"
    & skf18("8","1","2","1","10","3","1") = "9"
    & skf18("8","1","2","1","10","4","1") = "9"
    & skf18("8","1","2","1","10","5","1") = "9"
    & skf18("8","1","2","1","10","6","1") = "9"
    & skf18("8","1","2","1","10","7","1") = "9"
    & skf18("8","1","2","1","10","8","1") = "9"
    & skf18("8","1","2","1","10","9","1") = "9"
    & skf18("8","1","2","1","10","10","1") = "9"
    & skf18("8","1","2","2","1","1","1") = "7"
    & skf18("8","1","2","2","1","2","1") = "7"
    & skf18("8","1","2","2","1","3","1") = "7"
    & skf18("8","1","2","2","1","4","1") = "7"
    & skf18("8","1","2","2","1","5","1") = "7"
    & skf18("8","1","2","2","1","6","1") = "7"
    & skf18("8","1","2","2","1","7","1") = "7"
    & skf18("8","1","2","2","1","8","1") = "7"
    & skf18("8","1","2","2","1","9","1") = "8"
    & skf18("8","1","2","2","1","10","1") = "9"
    & skf18("8","1","2","2","2","1","1") = "7"
    & skf18("8","1","2","2","2","2","1") = "7"
    & skf18("8","1","2","2","2","3","1") = "7"
    & skf18("8","1","2","2","2","4","1") = "7"
    & skf18("8","1","2","2","2","5","1") = "7"
    & skf18("8","1","2","2","2","6","1") = "7"
    & skf18("8","1","2","2","2","7","1") = "7"
    & skf18("8","1","2","2","2","8","1") = "7"
    & skf18("8","1","2","2","2","9","1") = "8"
    & skf18("8","1","2","2","2","10","1") = "9"
    & skf18("8","1","2","2","3","1","1") = "7"
    & skf18("8","1","2","2","3","2","1") = "7"
    & skf18("8","1","2","2","3","3","1") = "7"
    & skf18("8","1","2","2","3","4","1") = "7"
    & skf18("8","1","2","2","3","5","1") = "7"
    & skf18("8","1","2","2","3","6","1") = "7"
    & skf18("8","1","2","2","3","7","1") = "7"
    & skf18("8","1","2","2","3","8","1") = "7"
    & skf18("8","1","2","2","3","9","1") = "8"
    & skf18("8","1","2","2","3","10","1") = "9"
    & skf18("8","1","2","2","4","1","1") = "7"
    & skf18("8","1","2","2","4","2","1") = "7"
    & skf18("8","1","2","2","4","3","1") = "7"
    & skf18("8","1","2","2","4","4","1") = "7"
    & skf18("8","1","2","2","4","5","1") = "7"
    & skf18("8","1","2","2","4","6","1") = "7"
    & skf18("8","1","2","2","4","7","1") = "7"
    & skf18("8","1","2","2","4","8","1") = "7"
    & skf18("8","1","2","2","4","9","1") = "8"
    & skf18("8","1","2","2","4","10","1") = "9"
    & skf18("8","1","2","2","5","1","1") = "7"
    & skf18("8","1","2","2","5","2","1") = "7"
    & skf18("8","1","2","2","5","3","1") = "7"
    & skf18("8","1","2","2","5","4","1") = "7"
    & skf18("8","1","2","2","5","5","1") = "7"
    & skf18("8","1","2","2","5","6","1") = "7"
    & skf18("8","1","2","2","5","7","1") = "7"
    & skf18("8","1","2","2","5","8","1") = "7"
    & skf18("8","1","2","2","5","9","1") = "8"
    & skf18("8","1","2","2","5","10","1") = "9"
    & skf18("8","1","2","2","6","1","1") = "7"
    & skf18("8","1","2","2","6","2","1") = "7"
    & skf18("8","1","2","2","6","3","1") = "7"
    & skf18("8","1","2","2","6","4","1") = "7"
    & skf18("8","1","2","2","6","5","1") = "7"
    & skf18("8","1","2","2","6","6","1") = "7"
    & skf18("8","1","2","2","6","7","1") = "7"
    & skf18("8","1","2","2","6","8","1") = "7"
    & skf18("8","1","2","2","6","9","1") = "8"
    & skf18("8","1","2","2","6","10","1") = "9"
    & skf18("8","1","2","2","7","1","1") = "7"
    & skf18("8","1","2","2","7","2","1") = "7"
    & skf18("8","1","2","2","7","3","1") = "7"
    & skf18("8","1","2","2","7","4","1") = "7"
    & skf18("8","1","2","2","7","5","1") = "7"
    & skf18("8","1","2","2","7","6","1") = "7"
    & skf18("8","1","2","2","7","7","1") = "7"
    & skf18("8","1","2","2","7","8","1") = "7"
    & skf18("8","1","2","2","7","9","1") = "8"
    & skf18("8","1","2","2","7","10","1") = "9"
    & skf18("8","1","2","2","8","1","1") = "7"
    & skf18("8","1","2","2","8","2","1") = "7"
    & skf18("8","1","2","2","8","3","1") = "7"
    & skf18("8","1","2","2","8","4","1") = "7"
    & skf18("8","1","2","2","8","5","1") = "7"
    & skf18("8","1","2","2","8","6","1") = "7"
    & skf18("8","1","2","2","8","7","1") = "7"
    & skf18("8","1","2","2","8","8","1") = "7"
    & skf18("8","1","2","2","8","9","1") = "8"
    & skf18("8","1","2","2","8","10","1") = "9"
    & skf18("8","1","2","2","9","1","1") = "8"
    & skf18("8","1","2","2","9","2","1") = "8"
    & skf18("8","1","2","2","9","3","1") = "8"
    & skf18("8","1","2","2","9","4","1") = "8"
    & skf18("8","1","2","2","9","5","1") = "8"
    & skf18("8","1","2","2","9","6","1") = "8"
    & skf18("8","1","2","2","9","7","1") = "8"
    & skf18("8","1","2","2","9","8","1") = "8"
    & skf18("8","1","2","2","9","9","1") = "8"
    & skf18("8","1","2","2","9","10","1") = "9"
    & skf18("8","1","2","2","10","1","1") = "9"
    & skf18("8","1","2","2","10","2","1") = "9"
    & skf18("8","1","2","2","10","3","1") = "9"
    & skf18("8","1","2","2","10","4","1") = "9"
    & skf18("8","1","2","2","10","5","1") = "9"
    & skf18("8","1","2","2","10","6","1") = "9"
    & skf18("8","1","2","2","10","7","1") = "9"
    & skf18("8","1","2","2","10","8","1") = "9"
    & skf18("8","1","2","2","10","9","1") = "9"
    & skf18("8","1","2","2","10","10","1") = "9"
    & skf18("8","1","2","3","1","1","1") = "7"
    & skf18("8","1","2","3","1","2","1") = "7"
    & skf18("8","1","2","3","1","3","1") = "7"
    & skf18("8","1","2","3","1","4","1") = "7"
    & skf18("8","1","2","3","1","5","1") = "7"
    & skf18("8","1","2","3","1","6","1") = "7"
    & skf18("8","1","2","3","1","7","1") = "7"
    & skf18("8","1","2","3","1","8","1") = "7"
    & skf18("8","1","2","3","1","9","1") = "8"
    & skf18("8","1","2","3","1","10","1") = "9"
    & skf18("8","1","2","3","2","1","1") = "7"
    & skf18("8","1","2","3","2","2","1") = "7"
    & skf18("8","1","2","3","2","3","1") = "7"
    & skf18("8","1","2","3","2","4","1") = "7"
    & skf18("8","1","2","3","2","5","1") = "7"
    & skf18("8","1","2","3","2","6","1") = "7"
    & skf18("8","1","2","3","2","7","1") = "7"
    & skf18("8","1","2","3","2","8","1") = "7"
    & skf18("8","1","2","3","2","9","1") = "8"
    & skf18("8","1","2","3","2","10","1") = "9"
    & skf18("8","1","2","3","3","1","1") = "7"
    & skf18("8","1","2","3","3","2","1") = "7"
    & skf18("8","1","2","3","3","3","1") = "7"
    & skf18("8","1","2","3","3","4","1") = "7"
    & skf18("8","1","2","3","3","5","1") = "7"
    & skf18("8","1","2","3","3","6","1") = "7"
    & skf18("8","1","2","3","3","7","1") = "7"
    & skf18("8","1","2","3","3","8","1") = "7"
    & skf18("8","1","2","3","3","9","1") = "8"
    & skf18("8","1","2","3","3","10","1") = "9"
    & skf18("8","1","2","3","4","1","1") = "7"
    & skf18("8","1","2","3","4","2","1") = "7"
    & skf18("8","1","2","3","4","3","1") = "7"
    & skf18("8","1","2","3","4","4","1") = "7"
    & skf18("8","1","2","3","4","5","1") = "7"
    & skf18("8","1","2","3","4","6","1") = "7"
    & skf18("8","1","2","3","4","7","1") = "7"
    & skf18("8","1","2","3","4","8","1") = "7"
    & skf18("8","1","2","3","4","9","1") = "8"
    & skf18("8","1","2","3","4","10","1") = "9"
    & skf18("8","1","2","3","5","1","1") = "7"
    & skf18("8","1","2","3","5","2","1") = "7"
    & skf18("8","1","2","3","5","3","1") = "7"
    & skf18("8","1","2","3","5","4","1") = "7"
    & skf18("8","1","2","3","5","5","1") = "7"
    & skf18("8","1","2","3","5","6","1") = "7"
    & skf18("8","1","2","3","5","7","1") = "7"
    & skf18("8","1","2","3","5","8","1") = "7"
    & skf18("8","1","2","3","5","9","1") = "8"
    & skf18("8","1","2","3","5","10","1") = "9"
    & skf18("8","1","2","3","6","1","1") = "7"
    & skf18("8","1","2","3","6","2","1") = "7"
    & skf18("8","1","2","3","6","3","1") = "7"
    & skf18("8","1","2","3","6","4","1") = "7"
    & skf18("8","1","2","3","6","5","1") = "7"
    & skf18("8","1","2","3","6","6","1") = "7"
    & skf18("8","1","2","3","6","7","1") = "7"
    & skf18("8","1","2","3","6","8","1") = "7"
    & skf18("8","1","2","3","6","9","1") = "8"
    & skf18("8","1","2","3","6","10","1") = "9"
    & skf18("8","1","2","3","7","1","1") = "7"
    & skf18("8","1","2","3","7","2","1") = "7"
    & skf18("8","1","2","3","7","3","1") = "7"
    & skf18("8","1","2","3","7","4","1") = "7"
    & skf18("8","1","2","3","7","5","1") = "7"
    & skf18("8","1","2","3","7","6","1") = "7"
    & skf18("8","1","2","3","7","7","1") = "7"
    & skf18("8","1","2","3","7","8","1") = "7"
    & skf18("8","1","2","3","7","9","1") = "8"
    & skf18("8","1","2","3","7","10","1") = "9"
    & skf18("8","1","2","3","8","1","1") = "7"
    & skf18("8","1","2","3","8","2","1") = "7"
    & skf18("8","1","2","3","8","3","1") = "7"
    & skf18("8","1","2","3","8","4","1") = "7"
    & skf18("8","1","2","3","8","5","1") = "7"
    & skf18("8","1","2","3","8","6","1") = "7"
    & skf18("8","1","2","3","8","7","1") = "7"
    & skf18("8","1","2","3","8","8","1") = "7"
    & skf18("8","1","2","3","8","9","1") = "8"
    & skf18("8","1","2","3","8","10","1") = "9"
    & skf18("8","1","2","3","9","1","1") = "8"
    & skf18("8","1","2","3","9","2","1") = "8"
    & skf18("8","1","2","3","9","3","1") = "8"
    & skf18("8","1","2","3","9","4","1") = "8"
    & skf18("8","1","2","3","9","5","1") = "8"
    & skf18("8","1","2","3","9","6","1") = "8"
    & skf18("8","1","2","3","9","7","1") = "8"
    & skf18("8","1","2","3","9","8","1") = "8"
    & skf18("8","1","2","3","9","9","1") = "8"
    & skf18("8","1","2","3","9","10","1") = "9"
    & skf18("8","1","2","3","10","1","1") = "9"
    & skf18("8","1","2","3","10","2","1") = "9"
    & skf18("8","1","2","3","10","3","1") = "9"
    & skf18("8","1","2","3","10","4","1") = "9"
    & skf18("8","1","2","3","10","5","1") = "9"
    & skf18("8","1","2","3","10","6","1") = "9"
    & skf18("8","1","2","3","10","7","1") = "9"
    & skf18("8","1","2","3","10","8","1") = "9"
    & skf18("8","1","2","3","10","9","1") = "9"
    & skf18("8","1","2","3","10","10","1") = "9"
    & skf18("8","1","2","4","1","1","1") = "7"
    & skf18("8","1","2","4","1","2","1") = "7"
    & skf18("8","1","2","4","1","3","1") = "7"
    & skf18("8","1","2","4","1","4","1") = "7"
    & skf18("8","1","2","4","1","5","1") = "7"
    & skf18("8","1","2","4","1","6","1") = "7"
    & skf18("8","1","2","4","1","7","1") = "7"
    & skf18("8","1","2","4","1","8","1") = "7"
    & skf18("8","1","2","4","1","9","1") = "8"
    & skf18("8","1","2","4","1","10","1") = "9"
    & skf18("8","1","2","4","2","1","1") = "7"
    & skf18("8","1","2","4","2","2","1") = "7"
    & skf18("8","1","2","4","2","3","1") = "7"
    & skf18("8","1","2","4","2","4","1") = "7"
    & skf18("8","1","2","4","2","5","1") = "7"
    & skf18("8","1","2","4","2","6","1") = "7"
    & skf18("8","1","2","4","2","7","1") = "7"
    & skf18("8","1","2","4","2","8","1") = "7"
    & skf18("8","1","2","4","2","9","1") = "8"
    & skf18("8","1","2","4","2","10","1") = "9"
    & skf18("8","1","2","4","3","1","1") = "7"
    & skf18("8","1","2","4","3","2","1") = "7"
    & skf18("8","1","2","4","3","3","1") = "7"
    & skf18("8","1","2","4","3","4","1") = "7"
    & skf18("8","1","2","4","3","5","1") = "7"
    & skf18("8","1","2","4","3","6","1") = "7"
    & skf18("8","1","2","4","3","7","1") = "7"
    & skf18("8","1","2","4","3","8","1") = "7"
    & skf18("8","1","2","4","3","9","1") = "8"
    & skf18("8","1","2","4","3","10","1") = "9"
    & skf18("8","1","2","4","4","1","1") = "7"
    & skf18("8","1","2","4","4","2","1") = "7"
    & skf18("8","1","2","4","4","3","1") = "7"
    & skf18("8","1","2","4","4","4","1") = "7"
    & skf18("8","1","2","4","4","5","1") = "7"
    & skf18("8","1","2","4","4","6","1") = "7"
    & skf18("8","1","2","4","4","7","1") = "7"
    & skf18("8","1","2","4","4","8","1") = "7"
    & skf18("8","1","2","4","4","9","1") = "8"
    & skf18("8","1","2","4","4","10","1") = "9"
    & skf18("8","1","2","4","5","1","1") = "7"
    & skf18("8","1","2","4","5","2","1") = "7"
    & skf18("8","1","2","4","5","3","1") = "7"
    & skf18("8","1","2","4","5","4","1") = "7"
    & skf18("8","1","2","4","5","5","1") = "7"
    & skf18("8","1","2","4","5","6","1") = "7"
    & skf18("8","1","2","4","5","7","1") = "7"
    & skf18("8","1","2","4","5","8","1") = "7"
    & skf18("8","1","2","4","5","9","1") = "8"
    & skf18("8","1","2","4","5","10","1") = "9"
    & skf18("8","1","2","4","6","1","1") = "7"
    & skf18("8","1","2","4","6","2","1") = "7"
    & skf18("8","1","2","4","6","3","1") = "7"
    & skf18("8","1","2","4","6","4","1") = "7"
    & skf18("8","1","2","4","6","5","1") = "7"
    & skf18("8","1","2","4","6","6","1") = "7"
    & skf18("8","1","2","4","6","7","1") = "7"
    & skf18("8","1","2","4","6","8","1") = "7"
    & skf18("8","1","2","4","6","9","1") = "8"
    & skf18("8","1","2","4","6","10","1") = "9"
    & skf18("8","1","2","4","7","1","1") = "7"
    & skf18("8","1","2","4","7","2","1") = "7"
    & skf18("8","1","2","4","7","3","1") = "7"
    & skf18("8","1","2","4","7","4","1") = "7"
    & skf18("8","1","2","4","7","5","1") = "7"
    & skf18("8","1","2","4","7","6","1") = "7"
    & skf18("8","1","2","4","7","7","1") = "7"
    & skf18("8","1","2","4","7","8","1") = "7"
    & skf18("8","1","2","4","7","9","1") = "8"
    & skf18("8","1","2","4","7","10","1") = "9"
    & skf18("8","1","2","4","8","1","1") = "7"
    & skf18("8","1","2","4","8","2","1") = "7"
    & skf18("8","1","2","4","8","3","1") = "7"
    & skf18("8","1","2","4","8","4","1") = "7"
    & skf18("8","1","2","4","8","5","1") = "7"
    & skf18("8","1","2","4","8","6","1") = "7"
    & skf18("8","1","2","4","8","7","1") = "7"
    & skf18("8","1","2","4","8","8","1") = "7"
    & skf18("8","1","2","4","8","9","1") = "8"
    & skf18("8","1","2","4","8","10","1") = "9"
    & skf18("8","1","2","4","9","1","1") = "8"
    & skf18("8","1","2","4","9","2","1") = "8"
    & skf18("8","1","2","4","9","3","1") = "8"
    & skf18("8","1","2","4","9","4","1") = "8"
    & skf18("8","1","2","4","9","5","1") = "8"
    & skf18("8","1","2","4","9","6","1") = "8"
    & skf18("8","1","2","4","9","7","1") = "8"
    & skf18("8","1","2","4","9","8","1") = "8"
    & skf18("8","1","2","4","9","9","1") = "8"
    & skf18("8","1","2","4","9","10","1") = "9"
    & skf18("8","1","2","4","10","1","1") = "9"
    & skf18("8","1","2","4","10","2","1") = "9"
    & skf18("8","1","2","4","10","3","1") = "9"
    & skf18("8","1","2","4","10","4","1") = "9"
    & skf18("8","1","2","4","10","5","1") = "9"
    & skf18("8","1","2","4","10","6","1") = "9"
    & skf18("8","1","2","4","10","7","1") = "9"
    & skf18("8","1","2","4","10","8","1") = "9"
    & skf18("8","1","2","4","10","9","1") = "9"
    & skf18("8","1","2","4","10","10","1") = "9"
    & skf18("8","1","2","5","1","1","1") = "7"
    & skf18("8","1","2","5","1","2","1") = "7"
    & skf18("8","1","2","5","1","3","1") = "7"
    & skf18("8","1","2","5","1","4","1") = "7"
    & skf18("8","1","2","5","1","5","1") = "7"
    & skf18("8","1","2","5","1","6","1") = "7"
    & skf18("8","1","2","5","1","7","1") = "7"
    & skf18("8","1","2","5","1","8","1") = "7"
    & skf18("8","1","2","5","1","9","1") = "8"
    & skf18("8","1","2","5","1","10","1") = "9"
    & skf18("8","1","2","5","2","1","1") = "7"
    & skf18("8","1","2","5","2","2","1") = "7"
    & skf18("8","1","2","5","2","3","1") = "7"
    & skf18("8","1","2","5","2","4","1") = "7"
    & skf18("8","1","2","5","2","5","1") = "7"
    & skf18("8","1","2","5","2","6","1") = "7"
    & skf18("8","1","2","5","2","7","1") = "7"
    & skf18("8","1","2","5","2","8","1") = "7"
    & skf18("8","1","2","5","2","9","1") = "8"
    & skf18("8","1","2","5","2","10","1") = "9"
    & skf18("8","1","2","5","3","1","1") = "7"
    & skf18("8","1","2","5","3","2","1") = "7"
    & skf18("8","1","2","5","3","3","1") = "7"
    & skf18("8","1","2","5","3","4","1") = "7"
    & skf18("8","1","2","5","3","5","1") = "7"
    & skf18("8","1","2","5","3","6","1") = "7"
    & skf18("8","1","2","5","3","7","1") = "7"
    & skf18("8","1","2","5","3","8","1") = "7"
    & skf18("8","1","2","5","3","9","1") = "8"
    & skf18("8","1","2","5","3","10","1") = "9"
    & skf18("8","1","2","5","4","1","1") = "7"
    & skf18("8","1","2","5","4","2","1") = "7"
    & skf18("8","1","2","5","4","3","1") = "7"
    & skf18("8","1","2","5","4","4","1") = "7"
    & skf18("8","1","2","5","4","5","1") = "7"
    & skf18("8","1","2","5","4","6","1") = "7"
    & skf18("8","1","2","5","4","7","1") = "7"
    & skf18("8","1","2","5","4","8","1") = "7"
    & skf18("8","1","2","5","4","9","1") = "8"
    & skf18("8","1","2","5","4","10","1") = "9"
    & skf18("8","1","2","5","5","1","1") = "7"
    & skf18("8","1","2","5","5","2","1") = "7"
    & skf18("8","1","2","5","5","3","1") = "7"
    & skf18("8","1","2","5","5","4","1") = "7"
    & skf18("8","1","2","5","5","5","1") = "7"
    & skf18("8","1","2","5","5","6","1") = "7"
    & skf18("8","1","2","5","5","7","1") = "7"
    & skf18("8","1","2","5","5","8","1") = "7"
    & skf18("8","1","2","5","5","9","1") = "8"
    & skf18("8","1","2","5","5","10","1") = "9"
    & skf18("8","1","2","5","6","1","1") = "7"
    & skf18("8","1","2","5","6","2","1") = "7"
    & skf18("8","1","2","5","6","3","1") = "7"
    & skf18("8","1","2","5","6","4","1") = "7"
    & skf18("8","1","2","5","6","5","1") = "7"
    & skf18("8","1","2","5","6","6","1") = "7"
    & skf18("8","1","2","5","6","7","1") = "7"
    & skf18("8","1","2","5","6","8","1") = "7"
    & skf18("8","1","2","5","6","9","1") = "8"
    & skf18("8","1","2","5","6","10","1") = "9"
    & skf18("8","1","2","5","7","1","1") = "7"
    & skf18("8","1","2","5","7","2","1") = "7"
    & skf18("8","1","2","5","7","3","1") = "7"
    & skf18("8","1","2","5","7","4","1") = "7"
    & skf18("8","1","2","5","7","5","1") = "7"
    & skf18("8","1","2","5","7","6","1") = "7"
    & skf18("8","1","2","5","7","7","1") = "7"
    & skf18("8","1","2","5","7","8","1") = "7"
    & skf18("8","1","2","5","7","9","1") = "8"
    & skf18("8","1","2","5","7","10","1") = "9"
    & skf18("8","1","2","5","8","1","1") = "7"
    & skf18("8","1","2","5","8","2","1") = "7"
    & skf18("8","1","2","5","8","3","1") = "7"
    & skf18("8","1","2","5","8","4","1") = "7"
    & skf18("8","1","2","5","8","5","1") = "7"
    & skf18("8","1","2","5","8","6","1") = "7"
    & skf18("8","1","2","5","8","7","1") = "7"
    & skf18("8","1","2","5","8","8","1") = "7"
    & skf18("8","1","2","5","8","9","1") = "8"
    & skf18("8","1","2","5","8","10","1") = "9"
    & skf18("8","1","2","5","9","1","1") = "8"
    & skf18("8","1","2","5","9","2","1") = "8"
    & skf18("8","1","2","5","9","3","1") = "8"
    & skf18("8","1","2","5","9","4","1") = "8"
    & skf18("8","1","2","5","9","5","1") = "8"
    & skf18("8","1","2","5","9","6","1") = "8"
    & skf18("8","1","2","5","9","7","1") = "8"
    & skf18("8","1","2","5","9","8","1") = "8"
    & skf18("8","1","2","5","9","9","1") = "8"
    & skf18("8","1","2","5","9","10","1") = "9"
    & skf18("8","1","2","5","10","1","1") = "9"
    & skf18("8","1","2","5","10","2","1") = "9"
    & skf18("8","1","2","5","10","3","1") = "9"
    & skf18("8","1","2","5","10","4","1") = "9"
    & skf18("8","1","2","5","10","5","1") = "9"
    & skf18("8","1","2","5","10","6","1") = "9"
    & skf18("8","1","2","5","10","7","1") = "9"
    & skf18("8","1","2","5","10","8","1") = "9"
    & skf18("8","1","2","5","10","9","1") = "9"
    & skf18("8","1","2","5","10","10","1") = "9"
    & skf18("8","1","2","6","1","1","1") = "7"
    & skf18("8","1","2","6","1","2","1") = "7"
    & skf18("8","1","2","6","1","3","1") = "7"
    & skf18("8","1","2","6","1","4","1") = "7"
    & skf18("8","1","2","6","1","5","1") = "7"
    & skf18("8","1","2","6","1","6","1") = "7"
    & skf18("8","1","2","6","1","7","1") = "7"
    & skf18("8","1","2","6","1","8","1") = "7"
    & skf18("8","1","2","6","1","9","1") = "8"
    & skf18("8","1","2","6","1","10","1") = "9"
    & skf18("8","1","2","6","2","1","1") = "7"
    & skf18("8","1","2","6","2","2","1") = "7"
    & skf18("8","1","2","6","2","3","1") = "7"
    & skf18("8","1","2","6","2","4","1") = "7"
    & skf18("8","1","2","6","2","5","1") = "7"
    & skf18("8","1","2","6","2","6","1") = "7"
    & skf18("8","1","2","6","2","7","1") = "7"
    & skf18("8","1","2","6","2","8","1") = "7"
    & skf18("8","1","2","6","2","9","1") = "8"
    & skf18("8","1","2","6","2","10","1") = "9"
    & skf18("8","1","2","6","3","1","1") = "7"
    & skf18("8","1","2","6","3","2","1") = "7"
    & skf18("8","1","2","6","3","3","1") = "7"
    & skf18("8","1","2","6","3","4","1") = "7"
    & skf18("8","1","2","6","3","5","1") = "7"
    & skf18("8","1","2","6","3","6","1") = "7"
    & skf18("8","1","2","6","3","7","1") = "7"
    & skf18("8","1","2","6","3","8","1") = "7"
    & skf18("8","1","2","6","3","9","1") = "8"
    & skf18("8","1","2","6","3","10","1") = "9"
    & skf18("8","1","2","6","4","1","1") = "7"
    & skf18("8","1","2","6","4","2","1") = "7"
    & skf18("8","1","2","6","4","3","1") = "7"
    & skf18("8","1","2","6","4","4","1") = "7"
    & skf18("8","1","2","6","4","5","1") = "7"
    & skf18("8","1","2","6","4","6","1") = "7"
    & skf18("8","1","2","6","4","7","1") = "7"
    & skf18("8","1","2","6","4","8","1") = "7"
    & skf18("8","1","2","6","4","9","1") = "8"
    & skf18("8","1","2","6","4","10","1") = "9"
    & skf18("8","1","2","6","5","1","1") = "7"
    & skf18("8","1","2","6","5","2","1") = "7"
    & skf18("8","1","2","6","5","3","1") = "7"
    & skf18("8","1","2","6","5","4","1") = "7"
    & skf18("8","1","2","6","5","5","1") = "7"
    & skf18("8","1","2","6","5","6","1") = "7"
    & skf18("8","1","2","6","5","7","1") = "7"
    & skf18("8","1","2","6","5","8","1") = "7"
    & skf18("8","1","2","6","5","9","1") = "8"
    & skf18("8","1","2","6","5","10","1") = "9"
    & skf18("8","1","2","6","6","1","1") = "7"
    & skf18("8","1","2","6","6","2","1") = "7"
    & skf18("8","1","2","6","6","3","1") = "7"
    & skf18("8","1","2","6","6","4","1") = "7"
    & skf18("8","1","2","6","6","5","1") = "7"
    & skf18("8","1","2","6","6","6","1") = "7"
    & skf18("8","1","2","6","6","7","1") = "7"
    & skf18("8","1","2","6","6","8","1") = "7"
    & skf18("8","1","2","6","6","9","1") = "8"
    & skf18("8","1","2","6","6","10","1") = "9"
    & skf18("8","1","2","6","7","1","1") = "7"
    & skf18("8","1","2","6","7","2","1") = "7"
    & skf18("8","1","2","6","7","3","1") = "7"
    & skf18("8","1","2","6","7","4","1") = "7"
    & skf18("8","1","2","6","7","5","1") = "7"
    & skf18("8","1","2","6","7","6","1") = "7"
    & skf18("8","1","2","6","7","7","1") = "7"
    & skf18("8","1","2","6","7","8","1") = "7"
    & skf18("8","1","2","6","7","9","1") = "8"
    & skf18("8","1","2","6","7","10","1") = "9"
    & skf18("8","1","2","6","8","1","1") = "7"
    & skf18("8","1","2","6","8","2","1") = "7"
    & skf18("8","1","2","6","8","3","1") = "7"
    & skf18("8","1","2","6","8","4","1") = "7"
    & skf18("8","1","2","6","8","5","1") = "7"
    & skf18("8","1","2","6","8","6","1") = "7"
    & skf18("8","1","2","6","8","7","1") = "7"
    & skf18("8","1","2","6","8","8","1") = "7"
    & skf18("8","1","2","6","8","9","1") = "8"
    & skf18("8","1","2","6","8","10","1") = "9"
    & skf18("8","1","2","6","9","1","1") = "8"
    & skf18("8","1","2","6","9","2","1") = "8"
    & skf18("8","1","2","6","9","3","1") = "8"
    & skf18("8","1","2","6","9","4","1") = "8"
    & skf18("8","1","2","6","9","5","1") = "8"
    & skf18("8","1","2","6","9","6","1") = "8"
    & skf18("8","1","2","6","9","7","1") = "8"
    & skf18("8","1","2","6","9","8","1") = "8"
    & skf18("8","1","2","6","9","9","1") = "8"
    & skf18("8","1","2","6","9","10","1") = "9"
    & skf18("8","1","2","6","10","1","1") = "9"
    & skf18("8","1","2","6","10","2","1") = "9"
    & skf18("8","1","2","6","10","3","1") = "9"
    & skf18("8","1","2","6","10","4","1") = "9"
    & skf18("8","1","2","6","10","5","1") = "9"
    & skf18("8","1","2","6","10","6","1") = "9"
    & skf18("8","1","2","6","10","7","1") = "9"
    & skf18("8","1","2","6","10","8","1") = "9"
    & skf18("8","1","2","6","10","9","1") = "9"
    & skf18("8","1","2","6","10","10","1") = "9"
    & skf18("8","1","2","7","1","1","1") = "7"
    & skf18("8","1","2","7","1","2","1") = "7"
    & skf18("8","1","2","7","1","3","1") = "7"
    & skf18("8","1","2","7","1","4","1") = "7"
    & skf18("8","1","2","7","1","5","1") = "7"
    & skf18("8","1","2","7","1","6","1") = "7"
    & skf18("8","1","2","7","1","7","1") = "7"
    & skf18("8","1","2","7","1","8","1") = "7"
    & skf18("8","1","2","7","1","9","1") = "8"
    & skf18("8","1","2","7","1","10","1") = "9"
    & skf18("8","1","2","7","2","1","1") = "7"
    & skf18("8","1","2","7","2","2","1") = "7"
    & skf18("8","1","2","7","2","3","1") = "7"
    & skf18("8","1","2","7","2","4","1") = "7"
    & skf18("8","1","2","7","2","5","1") = "7"
    & skf18("8","1","2","7","2","6","1") = "7"
    & skf18("8","1","2","7","2","7","1") = "7"
    & skf18("8","1","2","7","2","8","1") = "7"
    & skf18("8","1","2","7","2","9","1") = "8"
    & skf18("8","1","2","7","2","10","1") = "9"
    & skf18("8","1","2","7","3","1","1") = "7"
    & skf18("8","1","2","7","3","2","1") = "7"
    & skf18("8","1","2","7","3","3","1") = "7"
    & skf18("8","1","2","7","3","4","1") = "7"
    & skf18("8","1","2","7","3","5","1") = "7"
    & skf18("8","1","2","7","3","6","1") = "7"
    & skf18("8","1","2","7","3","7","1") = "7"
    & skf18("8","1","2","7","3","8","1") = "7"
    & skf18("8","1","2","7","3","9","1") = "8"
    & skf18("8","1","2","7","3","10","1") = "9"
    & skf18("8","1","2","7","4","1","1") = "7"
    & skf18("8","1","2","7","4","2","1") = "7"
    & skf18("8","1","2","7","4","3","1") = "7"
    & skf18("8","1","2","7","4","4","1") = "7"
    & skf18("8","1","2","7","4","5","1") = "7"
    & skf18("8","1","2","7","4","6","1") = "7"
    & skf18("8","1","2","7","4","7","1") = "7"
    & skf18("8","1","2","7","4","8","1") = "7"
    & skf18("8","1","2","7","4","9","1") = "8"
    & skf18("8","1","2","7","4","10","1") = "9"
    & skf18("8","1","2","7","5","1","1") = "7"
    & skf18("8","1","2","7","5","2","1") = "7"
    & skf18("8","1","2","7","5","3","1") = "7"
    & skf18("8","1","2","7","5","4","1") = "7"
    & skf18("8","1","2","7","5","5","1") = "7"
    & skf18("8","1","2","7","5","6","1") = "7"
    & skf18("8","1","2","7","5","7","1") = "7"
    & skf18("8","1","2","7","5","8","1") = "7"
    & skf18("8","1","2","7","5","9","1") = "8"
    & skf18("8","1","2","7","5","10","1") = "9"
    & skf18("8","1","2","7","6","1","1") = "7"
    & skf18("8","1","2","7","6","2","1") = "7"
    & skf18("8","1","2","7","6","3","1") = "7"
    & skf18("8","1","2","7","6","4","1") = "7"
    & skf18("8","1","2","7","6","5","1") = "7"
    & skf18("8","1","2","7","6","6","1") = "7"
    & skf18("8","1","2","7","6","7","1") = "7"
    & skf18("8","1","2","7","6","8","1") = "7"
    & skf18("8","1","2","7","6","9","1") = "8"
    & skf18("8","1","2","7","6","10","1") = "9"
    & skf18("8","1","2","7","7","1","1") = "7"
    & skf18("8","1","2","7","7","2","1") = "7"
    & skf18("8","1","2","7","7","3","1") = "7"
    & skf18("8","1","2","7","7","4","1") = "7"
    & skf18("8","1","2","7","7","5","1") = "7"
    & skf18("8","1","2","7","7","6","1") = "7"
    & skf18("8","1","2","7","7","7","1") = "7"
    & skf18("8","1","2","7","7","8","1") = "7"
    & skf18("8","1","2","7","7","9","1") = "8"
    & skf18("8","1","2","7","7","10","1") = "9"
    & skf18("8","1","2","7","8","1","1") = "7"
    & skf18("8","1","2","7","8","2","1") = "7"
    & skf18("8","1","2","7","8","3","1") = "7"
    & skf18("8","1","2","7","8","4","1") = "7"
    & skf18("8","1","2","7","8","5","1") = "7"
    & skf18("8","1","2","7","8","6","1") = "7"
    & skf18("8","1","2","7","8","7","1") = "7"
    & skf18("8","1","2","7","8","8","1") = "7"
    & skf18("8","1","2","7","8","9","1") = "8"
    & skf18("8","1","2","7","8","10","1") = "9"
    & skf18("8","1","2","7","9","1","1") = "8"
    & skf18("8","1","2","7","9","2","1") = "8"
    & skf18("8","1","2","7","9","3","1") = "8"
    & skf18("8","1","2","7","9","4","1") = "8"
    & skf18("8","1","2","7","9","5","1") = "8"
    & skf18("8","1","2","7","9","6","1") = "8"
    & skf18("8","1","2","7","9","7","1") = "8"
    & skf18("8","1","2","7","9","8","1") = "8"
    & skf18("8","1","2","7","9","9","1") = "8"
    & skf18("8","1","2","7","9","10","1") = "9"
    & skf18("8","1","2","7","10","1","1") = "9"
    & skf18("8","1","2","7","10","2","1") = "9"
    & skf18("8","1","2","7","10","3","1") = "9"
    & skf18("8","1","2","7","10","4","1") = "9"
    & skf18("8","1","2","7","10","5","1") = "9"
    & skf18("8","1","2","7","10","6","1") = "9"
    & skf18("8","1","2","7","10","7","1") = "9"
    & skf18("8","1","2","7","10","8","1") = "9"
    & skf18("8","1","2","7","10","9","1") = "9"
    & skf18("8","1","2","7","10","10","1") = "9"
    & skf18("8","1","2","8","1","1","1") = "7"
    & skf18("8","1","2","8","1","2","1") = "7"
    & skf18("8","1","2","8","1","3","1") = "7"
    & skf18("8","1","2","8","1","4","1") = "7"
    & skf18("8","1","2","8","1","5","1") = "7"
    & skf18("8","1","2","8","1","6","1") = "7"
    & skf18("8","1","2","8","1","7","1") = "7"
    & skf18("8","1","2","8","1","8","1") = "7"
    & skf18("8","1","2","8","1","9","1") = "8"
    & skf18("8","1","2","8","1","10","1") = "9"
    & skf18("8","1","2","8","2","1","1") = "7"
    & skf18("8","1","2","8","2","2","1") = "7"
    & skf18("8","1","2","8","2","3","1") = "7"
    & skf18("8","1","2","8","2","4","1") = "7"
    & skf18("8","1","2","8","2","5","1") = "7"
    & skf18("8","1","2","8","2","6","1") = "7"
    & skf18("8","1","2","8","2","7","1") = "7"
    & skf18("8","1","2","8","2","8","1") = "7"
    & skf18("8","1","2","8","2","9","1") = "8"
    & skf18("8","1","2","8","2","10","1") = "9"
    & skf18("8","1","2","8","3","1","1") = "7"
    & skf18("8","1","2","8","3","2","1") = "7"
    & skf18("8","1","2","8","3","3","1") = "7"
    & skf18("8","1","2","8","3","4","1") = "7"
    & skf18("8","1","2","8","3","5","1") = "7"
    & skf18("8","1","2","8","3","6","1") = "7"
    & skf18("8","1","2","8","3","7","1") = "7"
    & skf18("8","1","2","8","3","8","1") = "7"
    & skf18("8","1","2","8","3","9","1") = "8"
    & skf18("8","1","2","8","3","10","1") = "9"
    & skf18("8","1","2","8","4","1","1") = "7"
    & skf18("8","1","2","8","4","2","1") = "7"
    & skf18("8","1","2","8","4","3","1") = "7"
    & skf18("8","1","2","8","4","4","1") = "7"
    & skf18("8","1","2","8","4","5","1") = "7"
    & skf18("8","1","2","8","4","6","1") = "7"
    & skf18("8","1","2","8","4","7","1") = "7"
    & skf18("8","1","2","8","4","8","1") = "7"
    & skf18("8","1","2","8","4","9","1") = "8"
    & skf18("8","1","2","8","4","10","1") = "9"
    & skf18("8","1","2","8","5","1","1") = "7"
    & skf18("8","1","2","8","5","2","1") = "7"
    & skf18("8","1","2","8","5","3","1") = "7"
    & skf18("8","1","2","8","5","4","1") = "7"
    & skf18("8","1","2","8","5","5","1") = "7"
    & skf18("8","1","2","8","5","6","1") = "7"
    & skf18("8","1","2","8","5","7","1") = "7"
    & skf18("8","1","2","8","5","8","1") = "7"
    & skf18("8","1","2","8","5","9","1") = "8"
    & skf18("8","1","2","8","5","10","1") = "9"
    & skf18("8","1","2","8","6","1","1") = "7"
    & skf18("8","1","2","8","6","2","1") = "7"
    & skf18("8","1","2","8","6","3","1") = "7"
    & skf18("8","1","2","8","6","4","1") = "7"
    & skf18("8","1","2","8","6","5","1") = "7"
    & skf18("8","1","2","8","6","6","1") = "7"
    & skf18("8","1","2","8","6","7","1") = "7"
    & skf18("8","1","2","8","6","8","1") = "7"
    & skf18("8","1","2","8","6","9","1") = "8"
    & skf18("8","1","2","8","6","10","1") = "9"
    & skf18("8","1","2","8","7","1","1") = "7"
    & skf18("8","1","2","8","7","2","1") = "7"
    & skf18("8","1","2","8","7","3","1") = "7"
    & skf18("8","1","2","8","7","4","1") = "7"
    & skf18("8","1","2","8","7","5","1") = "7"
    & skf18("8","1","2","8","7","6","1") = "7"
    & skf18("8","1","2","8","7","7","1") = "7"
    & skf18("8","1","2","8","7","8","1") = "7"
    & skf18("8","1","2","8","7","9","1") = "8"
    & skf18("8","1","2","8","7","10","1") = "9"
    & skf18("8","1","2","8","8","1","1") = "7"
    & skf18("8","1","2","8","8","2","1") = "7"
    & skf18("8","1","2","8","8","3","1") = "7"
    & skf18("8","1","2","8","8","4","1") = "7"
    & skf18("8","1","2","8","8","5","1") = "7"
    & skf18("8","1","2","8","8","6","1") = "7"
    & skf18("8","1","2","8","8","7","1") = "7"
    & skf18("8","1","2","8","8","8","1") = "7"
    & skf18("8","1","2","8","8","9","1") = "8"
    & skf18("8","1","2","8","8","10","1") = "9"
    & skf18("8","1","2","8","9","1","1") = "8"
    & skf18("8","1","2","8","9","2","1") = "8"
    & skf18("8","1","2","8","9","3","1") = "8"
    & skf18("8","1","2","8","9","4","1") = "8"
    & skf18("8","1","2","8","9","5","1") = "8"
    & skf18("8","1","2","8","9","6","1") = "8"
    & skf18("8","1","2","8","9","7","1") = "8"
    & skf18("8","1","2","8","9","8","1") = "8"
    & skf18("8","1","2","8","9","9","1") = "8"
    & skf18("8","1","2","8","9","10","1") = "9"
    & skf18("8","1","2","8","10","1","1") = "9"
    & skf18("8","1","2","8","10","2","1") = "9"
    & skf18("8","1","2","8","10","3","1") = "9"
    & skf18("8","1","2","8","10","4","1") = "9"
    & skf18("8","1","2","8","10","5","1") = "9"
    & skf18("8","1","2","8","10","6","1") = "9"
    & skf18("8","1","2","8","10","7","1") = "9"
    & skf18("8","1","2","8","10","8","1") = "9"
    & skf18("8","1","2","8","10","9","1") = "9"
    & skf18("8","1","2","8","10","10","1") = "9"
    & skf18("8","1","2","9","1","1","1") = "8"
    & skf18("8","1","2","9","1","2","1") = "8"
    & skf18("8","1","2","9","1","3","1") = "8"
    & skf18("8","1","2","9","1","4","1") = "8"
    & skf18("8","1","2","9","1","5","1") = "8"
    & skf18("8","1","2","9","1","6","1") = "8"
    & skf18("8","1","2","9","1","7","1") = "8"
    & skf18("8","1","2","9","1","8","1") = "8"
    & skf18("8","1","2","9","1","9","1") = "8"
    & skf18("8","1","2","9","1","10","1") = "9"
    & skf18("8","1","2","9","2","1","1") = "8"
    & skf18("8","1","2","9","2","2","1") = "8"
    & skf18("8","1","2","9","2","3","1") = "8"
    & skf18("8","1","2","9","2","4","1") = "8"
    & skf18("8","1","2","9","2","5","1") = "8"
    & skf18("8","1","2","9","2","6","1") = "8"
    & skf18("8","1","2","9","2","7","1") = "8"
    & skf18("8","1","2","9","2","8","1") = "8"
    & skf18("8","1","2","9","2","9","1") = "8"
    & skf18("8","1","2","9","2","10","1") = "9"
    & skf18("8","1","2","9","3","1","1") = "8"
    & skf18("8","1","2","9","3","2","1") = "8"
    & skf18("8","1","2","9","3","3","1") = "8"
    & skf18("8","1","2","9","3","4","1") = "8"
    & skf18("8","1","2","9","3","5","1") = "8"
    & skf18("8","1","2","9","3","6","1") = "8"
    & skf18("8","1","2","9","3","7","1") = "8"
    & skf18("8","1","2","9","3","8","1") = "8"
    & skf18("8","1","2","9","3","9","1") = "8"
    & skf18("8","1","2","9","3","10","1") = "9"
    & skf18("8","1","2","9","4","1","1") = "8"
    & skf18("8","1","2","9","4","2","1") = "8"
    & skf18("8","1","2","9","4","3","1") = "8"
    & skf18("8","1","2","9","4","4","1") = "8"
    & skf18("8","1","2","9","4","5","1") = "8"
    & skf18("8","1","2","9","4","6","1") = "8"
    & skf18("8","1","2","9","4","7","1") = "8"
    & skf18("8","1","2","9","4","8","1") = "8"
    & skf18("8","1","2","9","4","9","1") = "8"
    & skf18("8","1","2","9","4","10","1") = "9"
    & skf18("8","1","2","9","5","1","1") = "8"
    & skf18("8","1","2","9","5","2","1") = "8"
    & skf18("8","1","2","9","5","3","1") = "8"
    & skf18("8","1","2","9","5","4","1") = "8"
    & skf18("8","1","2","9","5","5","1") = "8"
    & skf18("8","1","2","9","5","6","1") = "8"
    & skf18("8","1","2","9","5","7","1") = "8"
    & skf18("8","1","2","9","5","8","1") = "8"
    & skf18("8","1","2","9","5","9","1") = "8"
    & skf18("8","1","2","9","5","10","1") = "9"
    & skf18("8","1","2","9","6","1","1") = "8"
    & skf18("8","1","2","9","6","2","1") = "8"
    & skf18("8","1","2","9","6","3","1") = "8"
    & skf18("8","1","2","9","6","4","1") = "8"
    & skf18("8","1","2","9","6","5","1") = "8"
    & skf18("8","1","2","9","6","6","1") = "8"
    & skf18("8","1","2","9","6","7","1") = "8"
    & skf18("8","1","2","9","6","8","1") = "8"
    & skf18("8","1","2","9","6","9","1") = "8"
    & skf18("8","1","2","9","6","10","1") = "9"
    & skf18("8","1","2","9","7","1","1") = "8"
    & skf18("8","1","2","9","7","2","1") = "8"
    & skf18("8","1","2","9","7","3","1") = "8"
    & skf18("8","1","2","9","7","4","1") = "8"
    & skf18("8","1","2","9","7","5","1") = "8"
    & skf18("8","1","2","9","7","6","1") = "8"
    & skf18("8","1","2","9","7","7","1") = "8"
    & skf18("8","1","2","9","7","8","1") = "8"
    & skf18("8","1","2","9","7","9","1") = "8"
    & skf18("8","1","2","9","7","10","1") = "9"
    & skf18("8","1","2","9","8","1","1") = "8"
    & skf18("8","1","2","9","8","2","1") = "8"
    & skf18("8","1","2","9","8","3","1") = "8"
    & skf18("8","1","2","9","8","4","1") = "8"
    & skf18("8","1","2","9","8","5","1") = "8"
    & skf18("8","1","2","9","8","6","1") = "8"
    & skf18("8","1","2","9","8","7","1") = "8"
    & skf18("8","1","2","9","8","8","1") = "8"
    & skf18("8","1","2","9","8","9","1") = "8"
    & skf18("8","1","2","9","8","10","1") = "9"
    & skf18("8","1","2","9","9","1","1") = "8"
    & skf18("8","1","2","9","9","2","1") = "8"
    & skf18("8","1","2","9","9","3","1") = "8"
    & skf18("8","1","2","9","9","4","1") = "8"
    & skf18("8","1","2","9","9","5","1") = "8"
    & skf18("8","1","2","9","9","6","1") = "8"
    & skf18("8","1","2","9","9","7","1") = "8"
    & skf18("8","1","2","9","9","8","1") = "8"
    & skf18("8","1","2","9","9","9","1") = "8"
    & skf18("8","1","2","9","9","10","1") = "9"
    & skf18("8","1","2","9","10","1","1") = "9"
    & skf18("8","1","2","9","10","2","1") = "9"
    & skf18("8","1","2","9","10","3","1") = "9"
    & skf18("8","1","2","9","10","4","1") = "9"
    & skf18("8","1","2","9","10","5","1") = "9"
    & skf18("8","1","2","9","10","6","1") = "9"
    & skf18("8","1","2","9","10","7","1") = "9"
    & skf18("8","1","2","9","10","8","1") = "9"
    & skf18("8","1","2","9","10","9","1") = "9"
    & skf18("8","1","2","9","10","10","1") = "9"
    & skf18("8","1","2","10","1","1","1") = "9"
    & skf18("8","1","2","10","1","2","1") = "9"
    & skf18("8","1","2","10","1","3","1") = "9"
    & skf18("8","1","2","10","1","4","1") = "9"
    & skf18("8","1","2","10","1","5","1") = "9"
    & skf18("8","1","2","10","1","6","1") = "9"
    & skf18("8","1","2","10","1","7","1") = "9"
    & skf18("8","1","2","10","1","8","1") = "9"
    & skf18("8","1","2","10","1","9","1") = "9"
    & skf18("8","1","2","10","1","10","1") = "9"
    & skf18("8","1","2","10","2","1","1") = "9"
    & skf18("8","1","2","10","2","2","1") = "9"
    & skf18("8","1","2","10","2","3","1") = "9"
    & skf18("8","1","2","10","2","4","1") = "9"
    & skf18("8","1","2","10","2","5","1") = "9"
    & skf18("8","1","2","10","2","6","1") = "9"
    & skf18("8","1","2","10","2","7","1") = "9"
    & skf18("8","1","2","10","2","8","1") = "9"
    & skf18("8","1","2","10","2","9","1") = "9"
    & skf18("8","1","2","10","2","10","1") = "9"
    & skf18("8","1","2","10","3","1","1") = "9"
    & skf18("8","1","2","10","3","2","1") = "9"
    & skf18("8","1","2","10","3","3","1") = "9"
    & skf18("8","1","2","10","3","4","1") = "9"
    & skf18("8","1","2","10","3","5","1") = "9"
    & skf18("8","1","2","10","3","6","1") = "9"
    & skf18("8","1","2","10","3","7","1") = "9"
    & skf18("8","1","2","10","3","8","1") = "9"
    & skf18("8","1","2","10","3","9","1") = "9"
    & skf18("8","1","2","10","3","10","1") = "9"
    & skf18("8","1","2","10","4","1","1") = "9"
    & skf18("8","1","2","10","4","2","1") = "9"
    & skf18("8","1","2","10","4","3","1") = "9"
    & skf18("8","1","2","10","4","4","1") = "9"
    & skf18("8","1","2","10","4","5","1") = "9"
    & skf18("8","1","2","10","4","6","1") = "9"
    & skf18("8","1","2","10","4","7","1") = "9"
    & skf18("8","1","2","10","4","8","1") = "9"
    & skf18("8","1","2","10","4","9","1") = "9"
    & skf18("8","1","2","10","4","10","1") = "9"
    & skf18("8","1","2","10","5","1","1") = "9"
    & skf18("8","1","2","10","5","2","1") = "9"
    & skf18("8","1","2","10","5","3","1") = "9"
    & skf18("8","1","2","10","5","4","1") = "9"
    & skf18("8","1","2","10","5","5","1") = "9"
    & skf18("8","1","2","10","5","6","1") = "9"
    & skf18("8","1","2","10","5","7","1") = "9"
    & skf18("8","1","2","10","5","8","1") = "9"
    & skf18("8","1","2","10","5","9","1") = "9"
    & skf18("8","1","2","10","5","10","1") = "9"
    & skf18("8","1","2","10","6","1","1") = "9"
    & skf18("8","1","2","10","6","2","1") = "9"
    & skf18("8","1","2","10","6","3","1") = "9"
    & skf18("8","1","2","10","6","4","1") = "9"
    & skf18("8","1","2","10","6","5","1") = "9"
    & skf18("8","1","2","10","6","6","1") = "9"
    & skf18("8","1","2","10","6","7","1") = "9"
    & skf18("8","1","2","10","6","8","1") = "9"
    & skf18("8","1","2","10","6","9","1") = "9"
    & skf18("8","1","2","10","6","10","1") = "9"
    & skf18("8","1","2","10","7","1","1") = "9"
    & skf18("8","1","2","10","7","2","1") = "9"
    & skf18("8","1","2","10","7","3","1") = "9"
    & skf18("8","1","2","10","7","4","1") = "9"
    & skf18("8","1","2","10","7","5","1") = "9"
    & skf18("8","1","2","10","7","6","1") = "9"
    & skf18("8","1","2","10","7","7","1") = "9"
    & skf18("8","1","2","10","7","8","1") = "9"
    & skf18("8","1","2","10","7","9","1") = "9"
    & skf18("8","1","2","10","7","10","1") = "9"
    & skf18("8","1","2","10","8","1","1") = "9"
    & skf18("8","1","2","10","8","2","1") = "9"
    & skf18("8","1","2","10","8","3","1") = "9"
    & skf18("8","1","2","10","8","4","1") = "9"
    & skf18("8","1","2","10","8","5","1") = "9"
    & skf18("8","1","2","10","8","6","1") = "9"
    & skf18("8","1","2","10","8","7","1") = "9"
    & skf18("8","1","2","10","8","8","1") = "9"
    & skf18("8","1","2","10","8","9","1") = "9"
    & skf18("8","1","2","10","8","10","1") = "9"
    & skf18("8","1","2","10","9","1","1") = "9"
    & skf18("8","1","2","10","9","2","1") = "9"
    & skf18("8","1","2","10","9","3","1") = "9"
    & skf18("8","1","2","10","9","4","1") = "9"
    & skf18("8","1","2","10","9","5","1") = "9"
    & skf18("8","1","2","10","9","6","1") = "9"
    & skf18("8","1","2","10","9","7","1") = "9"
    & skf18("8","1","2","10","9","8","1") = "9"
    & skf18("8","1","2","10","9","9","1") = "9"
    & skf18("8","1","2","10","9","10","1") = "9"
    & skf18("8","1","2","10","10","1","1") = "9"
    & skf18("8","1","2","10","10","2","1") = "9"
    & skf18("8","1","2","10","10","3","1") = "9"
    & skf18("8","1","2","10","10","4","1") = "9"
    & skf18("8","1","2","10","10","5","1") = "9"
    & skf18("8","1","2","10","10","6","1") = "9"
    & skf18("8","1","2","10","10","7","1") = "9"
    & skf18("8","1","2","10","10","8","1") = "9"
    & skf18("8","1","2","10","10","9","1") = "9"
    & skf18("8","1","2","10","10","10","1") = "9"
    & skf18("8","1","3","1","1","1","1") = "7"
    & skf18("8","1","3","1","1","2","1") = "7"
    & skf18("8","1","3","1","1","3","1") = "7"
    & skf18("8","1","3","1","1","4","1") = "7"
    & skf18("8","1","3","1","1","5","1") = "7"
    & skf18("8","1","3","1","1","6","1") = "7"
    & skf18("8","1","3","1","1","7","1") = "7"
    & skf18("8","1","3","1","1","8","1") = "7"
    & skf18("8","1","3","1","1","9","1") = "8"
    & skf18("8","1","3","1","1","10","1") = "9"
    & skf18("8","1","3","1","2","1","1") = "7"
    & skf18("8","1","3","1","2","2","1") = "7"
    & skf18("8","1","3","1","2","3","1") = "7"
    & skf18("8","1","3","1","2","4","1") = "7"
    & skf18("8","1","3","1","2","5","1") = "7"
    & skf18("8","1","3","1","2","6","1") = "7"
    & skf18("8","1","3","1","2","7","1") = "7"
    & skf18("8","1","3","1","2","8","1") = "7"
    & skf18("8","1","3","1","2","9","1") = "8"
    & skf18("8","1","3","1","2","10","1") = "9"
    & skf18("8","1","3","1","3","1","1") = "7"
    & skf18("8","1","3","1","3","2","1") = "7"
    & skf18("8","1","3","1","3","3","1") = "7"
    & skf18("8","1","3","1","3","4","1") = "7"
    & skf18("8","1","3","1","3","5","1") = "7"
    & skf18("8","1","3","1","3","6","1") = "7"
    & skf18("8","1","3","1","3","7","1") = "7"
    & skf18("8","1","3","1","3","8","1") = "7"
    & skf18("8","1","3","1","3","9","1") = "8"
    & skf18("8","1","3","1","3","10","1") = "9"
    & skf18("8","1","3","1","4","1","1") = "7"
    & skf18("8","1","3","1","4","2","1") = "7"
    & skf18("8","1","3","1","4","3","1") = "7"
    & skf18("8","1","3","1","4","4","1") = "7"
    & skf18("8","1","3","1","4","5","1") = "7"
    & skf18("8","1","3","1","4","6","1") = "7"
    & skf18("8","1","3","1","4","7","1") = "7"
    & skf18("8","1","3","1","4","8","1") = "7"
    & skf18("8","1","3","1","4","9","1") = "8"
    & skf18("8","1","3","1","4","10","1") = "9"
    & skf18("8","1","3","1","5","1","1") = "7"
    & skf18("8","1","3","1","5","2","1") = "7"
    & skf18("8","1","3","1","5","3","1") = "7"
    & skf18("8","1","3","1","5","4","1") = "7"
    & skf18("8","1","3","1","5","5","1") = "7"
    & skf18("8","1","3","1","5","6","1") = "7"
    & skf18("8","1","3","1","5","7","1") = "7"
    & skf18("8","1","3","1","5","8","1") = "7"
    & skf18("8","1","3","1","5","9","1") = "8"
    & skf18("8","1","3","1","5","10","1") = "9"
    & skf18("8","1","3","1","6","1","1") = "7"
    & skf18("8","1","3","1","6","2","1") = "7"
    & skf18("8","1","3","1","6","3","1") = "7"
    & skf18("8","1","3","1","6","4","1") = "7"
    & skf18("8","1","3","1","6","5","1") = "7"
    & skf18("8","1","3","1","6","6","1") = "7"
    & skf18("8","1","3","1","6","7","1") = "7"
    & skf18("8","1","3","1","6","8","1") = "7"
    & skf18("8","1","3","1","6","9","1") = "8"
    & skf18("8","1","3","1","6","10","1") = "9"
    & skf18("8","1","3","1","7","1","1") = "7"
    & skf18("8","1","3","1","7","2","1") = "7"
    & skf18("8","1","3","1","7","3","1") = "7"
    & skf18("8","1","3","1","7","4","1") = "7"
    & skf18("8","1","3","1","7","5","1") = "7"
    & skf18("8","1","3","1","7","6","1") = "7"
    & skf18("8","1","3","1","7","7","1") = "7"
    & skf18("8","1","3","1","7","8","1") = "7"
    & skf18("8","1","3","1","7","9","1") = "8"
    & skf18("8","1","3","1","7","10","1") = "9"
    & skf18("8","1","3","1","8","1","1") = "7"
    & skf18("8","1","3","1","8","2","1") = "7"
    & skf18("8","1","3","1","8","3","1") = "7"
    & skf18("8","1","3","1","8","4","1") = "7"
    & skf18("8","1","3","1","8","5","1") = "7"
    & skf18("8","1","3","1","8","6","1") = "7"
    & skf18("8","1","3","1","8","7","1") = "7"
    & skf18("8","1","3","1","8","8","1") = "7"
    & skf18("8","1","3","1","8","9","1") = "8"
    & skf18("8","1","3","1","8","10","1") = "9"
    & skf18("8","1","3","1","9","1","1") = "8"
    & skf18("8","1","3","1","9","2","1") = "8"
    & skf18("8","1","3","1","9","3","1") = "8"
    & skf18("8","1","3","1","9","4","1") = "8"
    & skf18("8","1","3","1","9","5","1") = "8"
    & skf18("8","1","3","1","9","6","1") = "8"
    & skf18("8","1","3","1","9","7","1") = "8"
    & skf18("8","1","3","1","9","8","1") = "8"
    & skf18("8","1","3","1","9","9","1") = "8"
    & skf18("8","1","3","1","9","10","1") = "9"
    & skf18("8","1","3","1","10","1","1") = "9"
    & skf18("8","1","3","1","10","2","1") = "9"
    & skf18("8","1","3","1","10","3","1") = "9"
    & skf18("8","1","3","1","10","4","1") = "9"
    & skf18("8","1","3","1","10","5","1") = "9"
    & skf18("8","1","3","1","10","6","1") = "9"
    & skf18("8","1","3","1","10","7","1") = "9"
    & skf18("8","1","3","1","10","8","1") = "9"
    & skf18("8","1","3","1","10","9","1") = "9"
    & skf18("8","1","3","1","10","10","1") = "9"
    & skf18("8","1","3","2","1","1","1") = "7"
    & skf18("8","1","3","2","1","2","1") = "7"
    & skf18("8","1","3","2","1","3","1") = "7"
    & skf18("8","1","3","2","1","4","1") = "7"
    & skf18("8","1","3","2","1","5","1") = "7"
    & skf18("8","1","3","2","1","6","1") = "7"
    & skf18("8","1","3","2","1","7","1") = "7"
    & skf18("8","1","3","2","1","8","1") = "7"
    & skf18("8","1","3","2","1","9","1") = "8"
    & skf18("8","1","3","2","1","10","1") = "9"
    & skf18("8","1","3","2","2","1","1") = "7"
    & skf18("8","1","3","2","2","2","1") = "7"
    & skf18("8","1","3","2","2","3","1") = "7"
    & skf18("8","1","3","2","2","4","1") = "7"
    & skf18("8","1","3","2","2","5","1") = "7"
    & skf18("8","1","3","2","2","6","1") = "7"
    & skf18("8","1","3","2","2","7","1") = "7"
    & skf18("8","1","3","2","2","8","1") = "7"
    & skf18("8","1","3","2","2","9","1") = "8"
    & skf18("8","1","3","2","2","10","1") = "9"
    & skf18("8","1","3","2","3","1","1") = "7"
    & skf18("8","1","3","2","3","2","1") = "7"
    & skf18("8","1","3","2","3","3","1") = "7"
    & skf18("8","1","3","2","3","4","1") = "7"
    & skf18("8","1","3","2","3","5","1") = "7"
    & skf18("8","1","3","2","3","6","1") = "7"
    & skf18("8","1","3","2","3","7","1") = "7"
    & skf18("8","1","3","2","3","8","1") = "7"
    & skf18("8","1","3","2","3","9","1") = "8"
    & skf18("8","1","3","2","3","10","1") = "9"
    & skf18("8","1","3","2","4","1","1") = "7"
    & skf18("8","1","3","2","4","2","1") = "7"
    & skf18("8","1","3","2","4","3","1") = "7"
    & skf18("8","1","3","2","4","4","1") = "7"
    & skf18("8","1","3","2","4","5","1") = "7"
    & skf18("8","1","3","2","4","6","1") = "7"
    & skf18("8","1","3","2","4","7","1") = "7"
    & skf18("8","1","3","2","4","8","1") = "7"
    & skf18("8","1","3","2","4","9","1") = "8"
    & skf18("8","1","3","2","4","10","1") = "9"
    & skf18("8","1","3","2","5","1","1") = "7"
    & skf18("8","1","3","2","5","2","1") = "7"
    & skf18("8","1","3","2","5","3","1") = "7"
    & skf18("8","1","3","2","5","4","1") = "7"
    & skf18("8","1","3","2","5","5","1") = "7"
    & skf18("8","1","3","2","5","6","1") = "7"
    & skf18("8","1","3","2","5","7","1") = "7"
    & skf18("8","1","3","2","5","8","1") = "7"
    & skf18("8","1","3","2","5","9","1") = "8"
    & skf18("8","1","3","2","5","10","1") = "9"
    & skf18("8","1","3","2","6","1","1") = "7"
    & skf18("8","1","3","2","6","2","1") = "7"
    & skf18("8","1","3","2","6","3","1") = "7"
    & skf18("8","1","3","2","6","4","1") = "7"
    & skf18("8","1","3","2","6","5","1") = "7"
    & skf18("8","1","3","2","6","6","1") = "7"
    & skf18("8","1","3","2","6","7","1") = "7"
    & skf18("8","1","3","2","6","8","1") = "7"
    & skf18("8","1","3","2","6","9","1") = "8"
    & skf18("8","1","3","2","6","10","1") = "9"
    & skf18("8","1","3","2","7","1","1") = "7"
    & skf18("8","1","3","2","7","2","1") = "7"
    & skf18("8","1","3","2","7","3","1") = "7"
    & skf18("8","1","3","2","7","4","1") = "7"
    & skf18("8","1","3","2","7","5","1") = "7"
    & skf18("8","1","3","2","7","6","1") = "7"
    & skf18("8","1","3","2","7","7","1") = "7"
    & skf18("8","1","3","2","7","8","1") = "7"
    & skf18("8","1","3","2","7","9","1") = "8"
    & skf18("8","1","3","2","7","10","1") = "9"
    & skf18("8","1","3","2","8","1","1") = "7"
    & skf18("8","1","3","2","8","2","1") = "7"
    & skf18("8","1","3","2","8","3","1") = "7"
    & skf18("8","1","3","2","8","4","1") = "7"
    & skf18("8","1","3","2","8","5","1") = "7"
    & skf18("8","1","3","2","8","6","1") = "7"
    & skf18("8","1","3","2","8","7","1") = "7"
    & skf18("8","1","3","2","8","8","1") = "7"
    & skf18("8","1","3","2","8","9","1") = "8"
    & skf18("8","1","3","2","8","10","1") = "9"
    & skf18("8","1","3","2","9","1","1") = "8"
    & skf18("8","1","3","2","9","2","1") = "8"
    & skf18("8","1","3","2","9","3","1") = "8"
    & skf18("8","1","3","2","9","4","1") = "8"
    & skf18("8","1","3","2","9","5","1") = "8"
    & skf18("8","1","3","2","9","6","1") = "8"
    & skf18("8","1","3","2","9","7","1") = "8"
    & skf18("8","1","3","2","9","8","1") = "8"
    & skf18("8","1","3","2","9","9","1") = "8"
    & skf18("8","1","3","2","9","10","1") = "9"
    & skf18("8","1","3","2","10","1","1") = "9"
    & skf18("8","1","3","2","10","2","1") = "9"
    & skf18("8","1","3","2","10","3","1") = "9"
    & skf18("8","1","3","2","10","4","1") = "9"
    & skf18("8","1","3","2","10","5","1") = "9"
    & skf18("8","1","3","2","10","6","1") = "9"
    & skf18("8","1","3","2","10","7","1") = "9"
    & skf18("8","1","3","2","10","8","1") = "9"
    & skf18("8","1","3","2","10","9","1") = "9"
    & skf18("8","1","3","2","10","10","1") = "9"
    & skf18("8","1","3","3","1","1","1") = "7"
    & skf18("8","1","3","3","1","2","1") = "7"
    & skf18("8","1","3","3","1","3","1") = "7"
    & skf18("8","1","3","3","1","4","1") = "7"
    & skf18("8","1","3","3","1","5","1") = "7"
    & skf18("8","1","3","3","1","6","1") = "7"
    & skf18("8","1","3","3","1","7","1") = "7"
    & skf18("8","1","3","3","1","8","1") = "7"
    & skf18("8","1","3","3","1","9","1") = "8"
    & skf18("8","1","3","3","1","10","1") = "9"
    & skf18("8","1","3","3","2","1","1") = "7"
    & skf18("8","1","3","3","2","2","1") = "7"
    & skf18("8","1","3","3","2","3","1") = "7"
    & skf18("8","1","3","3","2","4","1") = "7"
    & skf18("8","1","3","3","2","5","1") = "7"
    & skf18("8","1","3","3","2","6","1") = "7"
    & skf18("8","1","3","3","2","7","1") = "7"
    & skf18("8","1","3","3","2","8","1") = "7"
    & skf18("8","1","3","3","2","9","1") = "8"
    & skf18("8","1","3","3","2","10","1") = "9"
    & skf18("8","1","3","3","3","1","1") = "7"
    & skf18("8","1","3","3","3","2","1") = "7"
    & skf18("8","1","3","3","3","3","1") = "7"
    & skf18("8","1","3","3","3","4","1") = "7"
    & skf18("8","1","3","3","3","5","1") = "7"
    & skf18("8","1","3","3","3","6","1") = "7"
    & skf18("8","1","3","3","3","7","1") = "7"
    & skf18("8","1","3","3","3","8","1") = "7"
    & skf18("8","1","3","3","3","9","1") = "8"
    & skf18("8","1","3","3","3","10","1") = "9"
    & skf18("8","1","3","3","4","1","1") = "7"
    & skf18("8","1","3","3","4","2","1") = "7"
    & skf18("8","1","3","3","4","3","1") = "7"
    & skf18("8","1","3","3","4","4","1") = "7"
    & skf18("8","1","3","3","4","5","1") = "7"
    & skf18("8","1","3","3","4","6","1") = "7"
    & skf18("8","1","3","3","4","7","1") = "7"
    & skf18("8","1","3","3","4","8","1") = "7"
    & skf18("8","1","3","3","4","9","1") = "8"
    & skf18("8","1","3","3","4","10","1") = "9"
    & skf18("8","1","3","3","5","1","1") = "7"
    & skf18("8","1","3","3","5","2","1") = "7"
    & skf18("8","1","3","3","5","3","1") = "7"
    & skf18("8","1","3","3","5","4","1") = "7"
    & skf18("8","1","3","3","5","5","1") = "7"
    & skf18("8","1","3","3","5","6","1") = "7"
    & skf18("8","1","3","3","5","7","1") = "7"
    & skf18("8","1","3","3","5","8","1") = "7"
    & skf18("8","1","3","3","5","9","1") = "8"
    & skf18("8","1","3","3","5","10","1") = "9"
    & skf18("8","1","3","3","6","1","1") = "7"
    & skf18("8","1","3","3","6","2","1") = "7"
    & skf18("8","1","3","3","6","3","1") = "7"
    & skf18("8","1","3","3","6","4","1") = "7"
    & skf18("8","1","3","3","6","5","1") = "7"
    & skf18("8","1","3","3","6","6","1") = "7"
    & skf18("8","1","3","3","6","7","1") = "7"
    & skf18("8","1","3","3","6","8","1") = "7"
    & skf18("8","1","3","3","6","9","1") = "8"
    & skf18("8","1","3","3","6","10","1") = "9"
    & skf18("8","1","3","3","7","1","1") = "7"
    & skf18("8","1","3","3","7","2","1") = "7"
    & skf18("8","1","3","3","7","3","1") = "7"
    & skf18("8","1","3","3","7","4","1") = "7"
    & skf18("8","1","3","3","7","5","1") = "7"
    & skf18("8","1","3","3","7","6","1") = "7"
    & skf18("8","1","3","3","7","7","1") = "7"
    & skf18("8","1","3","3","7","8","1") = "7"
    & skf18("8","1","3","3","7","9","1") = "8"
    & skf18("8","1","3","3","7","10","1") = "9"
    & skf18("8","1","3","3","8","1","1") = "7"
    & skf18("8","1","3","3","8","2","1") = "7"
    & skf18("8","1","3","3","8","3","1") = "7"
    & skf18("8","1","3","3","8","4","1") = "7"
    & skf18("8","1","3","3","8","5","1") = "7"
    & skf18("8","1","3","3","8","6","1") = "7"
    & skf18("8","1","3","3","8","7","1") = "7"
    & skf18("8","1","3","3","8","8","1") = "7"
    & skf18("8","1","3","3","8","9","1") = "8"
    & skf18("8","1","3","3","8","10","1") = "9"
    & skf18("8","1","3","3","9","1","1") = "8"
    & skf18("8","1","3","3","9","2","1") = "8"
    & skf18("8","1","3","3","9","3","1") = "8"
    & skf18("8","1","3","3","9","4","1") = "8"
    & skf18("8","1","3","3","9","5","1") = "8"
    & skf18("8","1","3","3","9","6","1") = "8"
    & skf18("8","1","3","3","9","7","1") = "8"
    & skf18("8","1","3","3","9","8","1") = "8"
    & skf18("8","1","3","3","9","9","1") = "8"
    & skf18("8","1","3","3","9","10","1") = "9"
    & skf18("8","1","3","3","10","1","1") = "9"
    & skf18("8","1","3","3","10","2","1") = "9"
    & skf18("8","1","3","3","10","3","1") = "9"
    & skf18("8","1","3","3","10","4","1") = "9"
    & skf18("8","1","3","3","10","5","1") = "9"
    & skf18("8","1","3","3","10","6","1") = "9"
    & skf18("8","1","3","3","10","7","1") = "9"
    & skf18("8","1","3","3","10","8","1") = "9"
    & skf18("8","1","3","3","10","9","1") = "9"
    & skf18("8","1","3","3","10","10","1") = "9"
    & skf18("8","1","3","4","1","1","1") = "7"
    & skf18("8","1","3","4","1","2","1") = "7"
    & skf18("8","1","3","4","1","3","1") = "7"
    & skf18("8","1","3","4","1","4","1") = "7"
    & skf18("8","1","3","4","1","5","1") = "7"
    & skf18("8","1","3","4","1","6","1") = "7"
    & skf18("8","1","3","4","1","7","1") = "7"
    & skf18("8","1","3","4","1","8","1") = "7"
    & skf18("8","1","3","4","1","9","1") = "8"
    & skf18("8","1","3","4","1","10","1") = "9"
    & skf18("8","1","3","4","2","1","1") = "7"
    & skf18("8","1","3","4","2","2","1") = "7"
    & skf18("8","1","3","4","2","3","1") = "7"
    & skf18("8","1","3","4","2","4","1") = "7"
    & skf18("8","1","3","4","2","5","1") = "7"
    & skf18("8","1","3","4","2","6","1") = "7"
    & skf18("8","1","3","4","2","7","1") = "7"
    & skf18("8","1","3","4","2","8","1") = "7"
    & skf18("8","1","3","4","2","9","1") = "8"
    & skf18("8","1","3","4","2","10","1") = "9"
    & skf18("8","1","3","4","3","1","1") = "7"
    & skf18("8","1","3","4","3","2","1") = "7"
    & skf18("8","1","3","4","3","3","1") = "7"
    & skf18("8","1","3","4","3","4","1") = "7"
    & skf18("8","1","3","4","3","5","1") = "7"
    & skf18("8","1","3","4","3","6","1") = "7"
    & skf18("8","1","3","4","3","7","1") = "7"
    & skf18("8","1","3","4","3","8","1") = "7"
    & skf18("8","1","3","4","3","9","1") = "8"
    & skf18("8","1","3","4","3","10","1") = "9"
    & skf18("8","1","3","4","4","1","1") = "7"
    & skf18("8","1","3","4","4","2","1") = "7"
    & skf18("8","1","3","4","4","3","1") = "7"
    & skf18("8","1","3","4","4","4","1") = "7"
    & skf18("8","1","3","4","4","5","1") = "7"
    & skf18("8","1","3","4","4","6","1") = "7"
    & skf18("8","1","3","4","4","7","1") = "7"
    & skf18("8","1","3","4","4","8","1") = "7"
    & skf18("8","1","3","4","4","9","1") = "8"
    & skf18("8","1","3","4","4","10","1") = "9"
    & skf18("8","1","3","4","5","1","1") = "7"
    & skf18("8","1","3","4","5","2","1") = "7"
    & skf18("8","1","3","4","5","3","1") = "7"
    & skf18("8","1","3","4","5","4","1") = "7"
    & skf18("8","1","3","4","5","5","1") = "7"
    & skf18("8","1","3","4","5","6","1") = "7"
    & skf18("8","1","3","4","5","7","1") = "7"
    & skf18("8","1","3","4","5","8","1") = "7"
    & skf18("8","1","3","4","5","9","1") = "8"
    & skf18("8","1","3","4","5","10","1") = "9"
    & skf18("8","1","3","4","6","1","1") = "7"
    & skf18("8","1","3","4","6","2","1") = "7"
    & skf18("8","1","3","4","6","3","1") = "7"
    & skf18("8","1","3","4","6","4","1") = "7"
    & skf18("8","1","3","4","6","5","1") = "7"
    & skf18("8","1","3","4","6","6","1") = "7"
    & skf18("8","1","3","4","6","7","1") = "7"
    & skf18("8","1","3","4","6","8","1") = "7"
    & skf18("8","1","3","4","6","9","1") = "8"
    & skf18("8","1","3","4","6","10","1") = "9"
    & skf18("8","1","3","4","7","1","1") = "7"
    & skf18("8","1","3","4","7","2","1") = "7"
    & skf18("8","1","3","4","7","3","1") = "7"
    & skf18("8","1","3","4","7","4","1") = "7"
    & skf18("8","1","3","4","7","5","1") = "7"
    & skf18("8","1","3","4","7","6","1") = "7"
    & skf18("8","1","3","4","7","7","1") = "7"
    & skf18("8","1","3","4","7","8","1") = "7"
    & skf18("8","1","3","4","7","9","1") = "8"
    & skf18("8","1","3","4","7","10","1") = "9"
    & skf18("8","1","3","4","8","1","1") = "7"
    & skf18("8","1","3","4","8","2","1") = "7"
    & skf18("8","1","3","4","8","3","1") = "7"
    & skf18("8","1","3","4","8","4","1") = "7"
    & skf18("8","1","3","4","8","5","1") = "7"
    & skf18("8","1","3","4","8","6","1") = "7"
    & skf18("8","1","3","4","8","7","1") = "7"
    & skf18("8","1","3","4","8","8","1") = "7"
    & skf18("8","1","3","4","8","9","1") = "8"
    & skf18("8","1","3","4","8","10","1") = "9"
    & skf18("8","1","3","4","9","1","1") = "8"
    & skf18("8","1","3","4","9","2","1") = "8"
    & skf18("8","1","3","4","9","3","1") = "8"
    & skf18("8","1","3","4","9","4","1") = "8"
    & skf18("8","1","3","4","9","5","1") = "8"
    & skf18("8","1","3","4","9","6","1") = "8"
    & skf18("8","1","3","4","9","7","1") = "8"
    & skf18("8","1","3","4","9","8","1") = "8"
    & skf18("8","1","3","4","9","9","1") = "8"
    & skf18("8","1","3","4","9","10","1") = "9"
    & skf18("8","1","3","4","10","1","1") = "9"
    & skf18("8","1","3","4","10","2","1") = "9"
    & skf18("8","1","3","4","10","3","1") = "9"
    & skf18("8","1","3","4","10","4","1") = "9"
    & skf18("8","1","3","4","10","5","1") = "9"
    & skf18("8","1","3","4","10","6","1") = "9"
    & skf18("8","1","3","4","10","7","1") = "9"
    & skf18("8","1","3","4","10","8","1") = "9"
    & skf18("8","1","3","4","10","9","1") = "9"
    & skf18("8","1","3","4","10","10","1") = "9"
    & skf18("8","1","3","5","1","1","1") = "7"
    & skf18("8","1","3","5","1","2","1") = "7"
    & skf18("8","1","3","5","1","3","1") = "7"
    & skf18("8","1","3","5","1","4","1") = "7"
    & skf18("8","1","3","5","1","5","1") = "7"
    & skf18("8","1","3","5","1","6","1") = "7"
    & skf18("8","1","3","5","1","7","1") = "7"
    & skf18("8","1","3","5","1","8","1") = "7"
    & skf18("8","1","3","5","1","9","1") = "8"
    & skf18("8","1","3","5","1","10","1") = "9"
    & skf18("8","1","3","5","2","1","1") = "7"
    & skf18("8","1","3","5","2","2","1") = "7"
    & skf18("8","1","3","5","2","3","1") = "7"
    & skf18("8","1","3","5","2","4","1") = "7"
    & skf18("8","1","3","5","2","5","1") = "7"
    & skf18("8","1","3","5","2","6","1") = "7"
    & skf18("8","1","3","5","2","7","1") = "7"
    & skf18("8","1","3","5","2","8","1") = "7"
    & skf18("8","1","3","5","2","9","1") = "8"
    & skf18("8","1","3","5","2","10","1") = "9"
    & skf18("8","1","3","5","3","1","1") = "7"
    & skf18("8","1","3","5","3","2","1") = "7"
    & skf18("8","1","3","5","3","3","1") = "7"
    & skf18("8","1","3","5","3","4","1") = "7"
    & skf18("8","1","3","5","3","5","1") = "7"
    & skf18("8","1","3","5","3","6","1") = "7"
    & skf18("8","1","3","5","3","7","1") = "7"
    & skf18("8","1","3","5","3","8","1") = "7"
    & skf18("8","1","3","5","3","9","1") = "8"
    & skf18("8","1","3","5","3","10","1") = "9"
    & skf18("8","1","3","5","4","1","1") = "7"
    & skf18("8","1","3","5","4","2","1") = "7"
    & skf18("8","1","3","5","4","3","1") = "7"
    & skf18("8","1","3","5","4","4","1") = "7"
    & skf18("8","1","3","5","4","5","1") = "7"
    & skf18("8","1","3","5","4","6","1") = "7"
    & skf18("8","1","3","5","4","7","1") = "7"
    & skf18("8","1","3","5","4","8","1") = "7"
    & skf18("8","1","3","5","4","9","1") = "8"
    & skf18("8","1","3","5","4","10","1") = "9"
    & skf18("8","1","3","5","5","1","1") = "7"
    & skf18("8","1","3","5","5","2","1") = "7"
    & skf18("8","1","3","5","5","3","1") = "7"
    & skf18("8","1","3","5","5","4","1") = "7"
    & skf18("8","1","3","5","5","5","1") = "7"
    & skf18("8","1","3","5","5","6","1") = "7"
    & skf18("8","1","3","5","5","7","1") = "7"
    & skf18("8","1","3","5","5","8","1") = "7"
    & skf18("8","1","3","5","5","9","1") = "8"
    & skf18("8","1","3","5","5","10","1") = "9"
    & skf18("8","1","3","5","6","1","1") = "7"
    & skf18("8","1","3","5","6","2","1") = "7"
    & skf18("8","1","3","5","6","3","1") = "7"
    & skf18("8","1","3","5","6","4","1") = "7"
    & skf18("8","1","3","5","6","5","1") = "7"
    & skf18("8","1","3","5","6","6","1") = "7"
    & skf18("8","1","3","5","6","7","1") = "7"
    & skf18("8","1","3","5","6","8","1") = "7"
    & skf18("8","1","3","5","6","9","1") = "8"
    & skf18("8","1","3","5","6","10","1") = "9"
    & skf18("8","1","3","5","7","1","1") = "7"
    & skf18("8","1","3","5","7","2","1") = "7"
    & skf18("8","1","3","5","7","3","1") = "7"
    & skf18("8","1","3","5","7","4","1") = "7"
    & skf18("8","1","3","5","7","5","1") = "7"
    & skf18("8","1","3","5","7","6","1") = "7"
    & skf18("8","1","3","5","7","7","1") = "7"
    & skf18("8","1","3","5","7","8","1") = "7"
    & skf18("8","1","3","5","7","9","1") = "8"
    & skf18("8","1","3","5","7","10","1") = "9"
    & skf18("8","1","3","5","8","1","1") = "7"
    & skf18("8","1","3","5","8","2","1") = "7"
    & skf18("8","1","3","5","8","3","1") = "7"
    & skf18("8","1","3","5","8","4","1") = "7"
    & skf18("8","1","3","5","8","5","1") = "7"
    & skf18("8","1","3","5","8","6","1") = "7"
    & skf18("8","1","3","5","8","7","1") = "7"
    & skf18("8","1","3","5","8","8","1") = "7"
    & skf18("8","1","3","5","8","9","1") = "8"
    & skf18("8","1","3","5","8","10","1") = "9"
    & skf18("8","1","3","5","9","1","1") = "8"
    & skf18("8","1","3","5","9","2","1") = "8"
    & skf18("8","1","3","5","9","3","1") = "8"
    & skf18("8","1","3","5","9","4","1") = "8"
    & skf18("8","1","3","5","9","5","1") = "8"
    & skf18("8","1","3","5","9","6","1") = "8"
    & skf18("8","1","3","5","9","7","1") = "8"
    & skf18("8","1","3","5","9","8","1") = "8"
    & skf18("8","1","3","5","9","9","1") = "8"
    & skf18("8","1","3","5","9","10","1") = "9"
    & skf18("8","1","3","5","10","1","1") = "9"
    & skf18("8","1","3","5","10","2","1") = "9"
    & skf18("8","1","3","5","10","3","1") = "9"
    & skf18("8","1","3","5","10","4","1") = "9"
    & skf18("8","1","3","5","10","5","1") = "9"
    & skf18("8","1","3","5","10","6","1") = "9"
    & skf18("8","1","3","5","10","7","1") = "9"
    & skf18("8","1","3","5","10","8","1") = "9"
    & skf18("8","1","3","5","10","9","1") = "9"
    & skf18("8","1","3","5","10","10","1") = "9"
    & skf18("8","1","3","6","1","1","1") = "7"
    & skf18("8","1","3","6","1","2","1") = "7"
    & skf18("8","1","3","6","1","3","1") = "7"
    & skf18("8","1","3","6","1","4","1") = "7"
    & skf18("8","1","3","6","1","5","1") = "7"
    & skf18("8","1","3","6","1","6","1") = "7"
    & skf18("8","1","3","6","1","7","1") = "7"
    & skf18("8","1","3","6","1","8","1") = "7"
    & skf18("8","1","3","6","1","9","1") = "8"
    & skf18("8","1","3","6","1","10","1") = "9"
    & skf18("8","1","3","6","2","1","1") = "7"
    & skf18("8","1","3","6","2","2","1") = "7"
    & skf18("8","1","3","6","2","3","1") = "7"
    & skf18("8","1","3","6","2","4","1") = "7"
    & skf18("8","1","3","6","2","5","1") = "7"
    & skf18("8","1","3","6","2","6","1") = "7"
    & skf18("8","1","3","6","2","7","1") = "7"
    & skf18("8","1","3","6","2","8","1") = "7"
    & skf18("8","1","3","6","2","9","1") = "8"
    & skf18("8","1","3","6","2","10","1") = "9"
    & skf18("8","1","3","6","3","1","1") = "7"
    & skf18("8","1","3","6","3","2","1") = "7"
    & skf18("8","1","3","6","3","3","1") = "7"
    & skf18("8","1","3","6","3","4","1") = "7"
    & skf18("8","1","3","6","3","5","1") = "7"
    & skf18("8","1","3","6","3","6","1") = "7"
    & skf18("8","1","3","6","3","7","1") = "7"
    & skf18("8","1","3","6","3","8","1") = "7"
    & skf18("8","1","3","6","3","9","1") = "8"
    & skf18("8","1","3","6","3","10","1") = "9"
    & skf18("8","1","3","6","4","1","1") = "7"
    & skf18("8","1","3","6","4","2","1") = "7"
    & skf18("8","1","3","6","4","3","1") = "7"
    & skf18("8","1","3","6","4","4","1") = "7"
    & skf18("8","1","3","6","4","5","1") = "7"
    & skf18("8","1","3","6","4","6","1") = "7"
    & skf18("8","1","3","6","4","7","1") = "7"
    & skf18("8","1","3","6","4","8","1") = "7"
    & skf18("8","1","3","6","4","9","1") = "8"
    & skf18("8","1","3","6","4","10","1") = "9"
    & skf18("8","1","3","6","5","1","1") = "7"
    & skf18("8","1","3","6","5","2","1") = "7"
    & skf18("8","1","3","6","5","3","1") = "7"
    & skf18("8","1","3","6","5","4","1") = "7"
    & skf18("8","1","3","6","5","5","1") = "7"
    & skf18("8","1","3","6","5","6","1") = "7"
    & skf18("8","1","3","6","5","7","1") = "7"
    & skf18("8","1","3","6","5","8","1") = "7"
    & skf18("8","1","3","6","5","9","1") = "8"
    & skf18("8","1","3","6","5","10","1") = "9"
    & skf18("8","1","3","6","6","1","1") = "7"
    & skf18("8","1","3","6","6","2","1") = "7"
    & skf18("8","1","3","6","6","3","1") = "7"
    & skf18("8","1","3","6","6","4","1") = "7"
    & skf18("8","1","3","6","6","5","1") = "7"
    & skf18("8","1","3","6","6","6","1") = "7"
    & skf18("8","1","3","6","6","7","1") = "7"
    & skf18("8","1","3","6","6","8","1") = "7"
    & skf18("8","1","3","6","6","9","1") = "8"
    & skf18("8","1","3","6","6","10","1") = "9"
    & skf18("8","1","3","6","7","1","1") = "7"
    & skf18("8","1","3","6","7","2","1") = "7"
    & skf18("8","1","3","6","7","3","1") = "7"
    & skf18("8","1","3","6","7","4","1") = "7"
    & skf18("8","1","3","6","7","5","1") = "7"
    & skf18("8","1","3","6","7","6","1") = "7"
    & skf18("8","1","3","6","7","7","1") = "7"
    & skf18("8","1","3","6","7","8","1") = "7"
    & skf18("8","1","3","6","7","9","1") = "8"
    & skf18("8","1","3","6","7","10","1") = "9"
    & skf18("8","1","3","6","8","1","1") = "7"
    & skf18("8","1","3","6","8","2","1") = "7"
    & skf18("8","1","3","6","8","3","1") = "7"
    & skf18("8","1","3","6","8","4","1") = "7"
    & skf18("8","1","3","6","8","5","1") = "7"
    & skf18("8","1","3","6","8","6","1") = "7"
    & skf18("8","1","3","6","8","7","1") = "7"
    & skf18("8","1","3","6","8","8","1") = "7"
    & skf18("8","1","3","6","8","9","1") = "8"
    & skf18("8","1","3","6","8","10","1") = "9"
    & skf18("8","1","3","6","9","1","1") = "8"
    & skf18("8","1","3","6","9","2","1") = "8"
    & skf18("8","1","3","6","9","3","1") = "8"
    & skf18("8","1","3","6","9","4","1") = "8"
    & skf18("8","1","3","6","9","5","1") = "8"
    & skf18("8","1","3","6","9","6","1") = "8"
    & skf18("8","1","3","6","9","7","1") = "8"
    & skf18("8","1","3","6","9","8","1") = "8"
    & skf18("8","1","3","6","9","9","1") = "8"
    & skf18("8","1","3","6","9","10","1") = "9"
    & skf18("8","1","3","6","10","1","1") = "9"
    & skf18("8","1","3","6","10","2","1") = "9"
    & skf18("8","1","3","6","10","3","1") = "9"
    & skf18("8","1","3","6","10","4","1") = "9"
    & skf18("8","1","3","6","10","5","1") = "9"
    & skf18("8","1","3","6","10","6","1") = "9"
    & skf18("8","1","3","6","10","7","1") = "9"
    & skf18("8","1","3","6","10","8","1") = "9"
    & skf18("8","1","3","6","10","9","1") = "9"
    & skf18("8","1","3","6","10","10","1") = "9"
    & skf18("8","1","3","7","1","1","1") = "7"
    & skf18("8","1","3","7","1","2","1") = "7"
    & skf18("8","1","3","7","1","3","1") = "7"
    & skf18("8","1","3","7","1","4","1") = "7"
    & skf18("8","1","3","7","1","5","1") = "7"
    & skf18("8","1","3","7","1","6","1") = "7"
    & skf18("8","1","3","7","1","7","1") = "7"
    & skf18("8","1","3","7","1","8","1") = "7"
    & skf18("8","1","3","7","1","9","1") = "8"
    & skf18("8","1","3","7","1","10","1") = "9"
    & skf18("8","1","3","7","2","1","1") = "7"
    & skf18("8","1","3","7","2","2","1") = "7"
    & skf18("8","1","3","7","2","3","1") = "7"
    & skf18("8","1","3","7","2","4","1") = "7"
    & skf18("8","1","3","7","2","5","1") = "7"
    & skf18("8","1","3","7","2","6","1") = "7"
    & skf18("8","1","3","7","2","7","1") = "7"
    & skf18("8","1","3","7","2","8","1") = "7"
    & skf18("8","1","3","7","2","9","1") = "8"
    & skf18("8","1","3","7","2","10","1") = "9"
    & skf18("8","1","3","7","3","1","1") = "7"
    & skf18("8","1","3","7","3","2","1") = "7"
    & skf18("8","1","3","7","3","3","1") = "7"
    & skf18("8","1","3","7","3","4","1") = "7"
    & skf18("8","1","3","7","3","5","1") = "7"
    & skf18("8","1","3","7","3","6","1") = "7"
    & skf18("8","1","3","7","3","7","1") = "7"
    & skf18("8","1","3","7","3","8","1") = "7"
    & skf18("8","1","3","7","3","9","1") = "8"
    & skf18("8","1","3","7","3","10","1") = "9"
    & skf18("8","1","3","7","4","1","1") = "7"
    & skf18("8","1","3","7","4","2","1") = "7"
    & skf18("8","1","3","7","4","3","1") = "7"
    & skf18("8","1","3","7","4","4","1") = "7"
    & skf18("8","1","3","7","4","5","1") = "7"
    & skf18("8","1","3","7","4","6","1") = "7"
    & skf18("8","1","3","7","4","7","1") = "7"
    & skf18("8","1","3","7","4","8","1") = "7"
    & skf18("8","1","3","7","4","9","1") = "8"
    & skf18("8","1","3","7","4","10","1") = "9"
    & skf18("8","1","3","7","5","1","1") = "7"
    & skf18("8","1","3","7","5","2","1") = "7"
    & skf18("8","1","3","7","5","3","1") = "7"
    & skf18("8","1","3","7","5","4","1") = "7"
    & skf18("8","1","3","7","5","5","1") = "7"
    & skf18("8","1","3","7","5","6","1") = "7"
    & skf18("8","1","3","7","5","7","1") = "7"
    & skf18("8","1","3","7","5","8","1") = "7"
    & skf18("8","1","3","7","5","9","1") = "8"
    & skf18("8","1","3","7","5","10","1") = "9"
    & skf18("8","1","3","7","6","1","1") = "7"
    & skf18("8","1","3","7","6","2","1") = "7"
    & skf18("8","1","3","7","6","3","1") = "7"
    & skf18("8","1","3","7","6","4","1") = "7"
    & skf18("8","1","3","7","6","5","1") = "7"
    & skf18("8","1","3","7","6","6","1") = "7"
    & skf18("8","1","3","7","6","7","1") = "7"
    & skf18("8","1","3","7","6","8","1") = "7"
    & skf18("8","1","3","7","6","9","1") = "8"
    & skf18("8","1","3","7","6","10","1") = "9"
    & skf18("8","1","3","7","7","1","1") = "7"
    & skf18("8","1","3","7","7","2","1") = "7"
    & skf18("8","1","3","7","7","3","1") = "7"
    & skf18("8","1","3","7","7","4","1") = "7"
    & skf18("8","1","3","7","7","5","1") = "7"
    & skf18("8","1","3","7","7","6","1") = "7"
    & skf18("8","1","3","7","7","7","1") = "7"
    & skf18("8","1","3","7","7","8","1") = "7"
    & skf18("8","1","3","7","7","9","1") = "8"
    & skf18("8","1","3","7","7","10","1") = "9"
    & skf18("8","1","3","7","8","1","1") = "7"
    & skf18("8","1","3","7","8","2","1") = "7"
    & skf18("8","1","3","7","8","3","1") = "7"
    & skf18("8","1","3","7","8","4","1") = "7"
    & skf18("8","1","3","7","8","5","1") = "7"
    & skf18("8","1","3","7","8","6","1") = "7"
    & skf18("8","1","3","7","8","7","1") = "7"
    & skf18("8","1","3","7","8","8","1") = "7"
    & skf18("8","1","3","7","8","9","1") = "8"
    & skf18("8","1","3","7","8","10","1") = "9"
    & skf18("8","1","3","7","9","1","1") = "8"
    & skf18("8","1","3","7","9","2","1") = "8"
    & skf18("8","1","3","7","9","3","1") = "8"
    & skf18("8","1","3","7","9","4","1") = "8"
    & skf18("8","1","3","7","9","5","1") = "8"
    & skf18("8","1","3","7","9","6","1") = "8"
    & skf18("8","1","3","7","9","7","1") = "8"
    & skf18("8","1","3","7","9","8","1") = "8"
    & skf18("8","1","3","7","9","9","1") = "8"
    & skf18("8","1","3","7","9","10","1") = "9"
    & skf18("8","1","3","7","10","1","1") = "9"
    & skf18("8","1","3","7","10","2","1") = "9"
    & skf18("8","1","3","7","10","3","1") = "9"
    & skf18("8","1","3","7","10","4","1") = "9"
    & skf18("8","1","3","7","10","5","1") = "9"
    & skf18("8","1","3","7","10","6","1") = "9"
    & skf18("8","1","3","7","10","7","1") = "9"
    & skf18("8","1","3","7","10","8","1") = "9"
    & skf18("8","1","3","7","10","9","1") = "9"
    & skf18("8","1","3","7","10","10","1") = "9"
    & skf18("8","1","3","8","1","1","1") = "7"
    & skf18("8","1","3","8","1","2","1") = "7"
    & skf18("8","1","3","8","1","3","1") = "7"
    & skf18("8","1","3","8","1","4","1") = "7"
    & skf18("8","1","3","8","1","5","1") = "7"
    & skf18("8","1","3","8","1","6","1") = "7"
    & skf18("8","1","3","8","1","7","1") = "7"
    & skf18("8","1","3","8","1","8","1") = "7"
    & skf18("8","1","3","8","1","9","1") = "8"
    & skf18("8","1","3","8","1","10","1") = "9"
    & skf18("8","1","3","8","2","1","1") = "7"
    & skf18("8","1","3","8","2","2","1") = "7"
    & skf18("8","1","3","8","2","3","1") = "7"
    & skf18("8","1","3","8","2","4","1") = "7"
    & skf18("8","1","3","8","2","5","1") = "7"
    & skf18("8","1","3","8","2","6","1") = "7"
    & skf18("8","1","3","8","2","7","1") = "7"
    & skf18("8","1","3","8","2","8","1") = "7"
    & skf18("8","1","3","8","2","9","1") = "8"
    & skf18("8","1","3","8","2","10","1") = "9"
    & skf18("8","1","3","8","3","1","1") = "7"
    & skf18("8","1","3","8","3","2","1") = "7"
    & skf18("8","1","3","8","3","3","1") = "7"
    & skf18("8","1","3","8","3","4","1") = "7"
    & skf18("8","1","3","8","3","5","1") = "7"
    & skf18("8","1","3","8","3","6","1") = "7"
    & skf18("8","1","3","8","3","7","1") = "7"
    & skf18("8","1","3","8","3","8","1") = "7"
    & skf18("8","1","3","8","3","9","1") = "8"
    & skf18("8","1","3","8","3","10","1") = "9"
    & skf18("8","1","3","8","4","1","1") = "7"
    & skf18("8","1","3","8","4","2","1") = "7"
    & skf18("8","1","3","8","4","3","1") = "7"
    & skf18("8","1","3","8","4","4","1") = "7"
    & skf18("8","1","3","8","4","5","1") = "7"
    & skf18("8","1","3","8","4","6","1") = "7"
    & skf18("8","1","3","8","4","7","1") = "7"
    & skf18("8","1","3","8","4","8","1") = "7"
    & skf18("8","1","3","8","4","9","1") = "8"
    & skf18("8","1","3","8","4","10","1") = "9"
    & skf18("8","1","3","8","5","1","1") = "7"
    & skf18("8","1","3","8","5","2","1") = "7"
    & skf18("8","1","3","8","5","3","1") = "7"
    & skf18("8","1","3","8","5","4","1") = "7"
    & skf18("8","1","3","8","5","5","1") = "7"
    & skf18("8","1","3","8","5","6","1") = "7"
    & skf18("8","1","3","8","5","7","1") = "7"
    & skf18("8","1","3","8","5","8","1") = "7"
    & skf18("8","1","3","8","5","9","1") = "8"
    & skf18("8","1","3","8","5","10","1") = "9"
    & skf18("8","1","3","8","6","1","1") = "7"
    & skf18("8","1","3","8","6","2","1") = "7"
    & skf18("8","1","3","8","6","3","1") = "7"
    & skf18("8","1","3","8","6","4","1") = "7"
    & skf18("8","1","3","8","6","5","1") = "7"
    & skf18("8","1","3","8","6","6","1") = "7"
    & skf18("8","1","3","8","6","7","1") = "7"
    & skf18("8","1","3","8","6","8","1") = "7"
    & skf18("8","1","3","8","6","9","1") = "8"
    & skf18("8","1","3","8","6","10","1") = "9"
    & skf18("8","1","3","8","7","1","1") = "7"
    & skf18("8","1","3","8","7","2","1") = "7"
    & skf18("8","1","3","8","7","3","1") = "7"
    & skf18("8","1","3","8","7","4","1") = "7"
    & skf18("8","1","3","8","7","5","1") = "7"
    & skf18("8","1","3","8","7","6","1") = "7"
    & skf18("8","1","3","8","7","7","1") = "7"
    & skf18("8","1","3","8","7","8","1") = "7"
    & skf18("8","1","3","8","7","9","1") = "8"
    & skf18("8","1","3","8","7","10","1") = "9"
    & skf18("8","1","3","8","8","1","1") = "7"
    & skf18("8","1","3","8","8","2","1") = "7"
    & skf18("8","1","3","8","8","3","1") = "7"
    & skf18("8","1","3","8","8","4","1") = "7"
    & skf18("8","1","3","8","8","5","1") = "7"
    & skf18("8","1","3","8","8","6","1") = "7"
    & skf18("8","1","3","8","8","7","1") = "7"
    & skf18("8","1","3","8","8","8","1") = "7"
    & skf18("8","1","3","8","8","9","1") = "8"
    & skf18("8","1","3","8","8","10","1") = "9"
    & skf18("8","1","3","8","9","1","1") = "8"
    & skf18("8","1","3","8","9","2","1") = "8"
    & skf18("8","1","3","8","9","3","1") = "8"
    & skf18("8","1","3","8","9","4","1") = "8"
    & skf18("8","1","3","8","9","5","1") = "8"
    & skf18("8","1","3","8","9","6","1") = "8"
    & skf18("8","1","3","8","9","7","1") = "8"
    & skf18("8","1","3","8","9","8","1") = "8"
    & skf18("8","1","3","8","9","9","1") = "8"
    & skf18("8","1","3","8","9","10","1") = "9"
    & skf18("8","1","3","8","10","1","1") = "9"
    & skf18("8","1","3","8","10","2","1") = "9"
    & skf18("8","1","3","8","10","3","1") = "9"
    & skf18("8","1","3","8","10","4","1") = "9"
    & skf18("8","1","3","8","10","5","1") = "9"
    & skf18("8","1","3","8","10","6","1") = "9"
    & skf18("8","1","3","8","10","7","1") = "9"
    & skf18("8","1","3","8","10","8","1") = "9"
    & skf18("8","1","3","8","10","9","1") = "9"
    & skf18("8","1","3","8","10","10","1") = "9"
    & skf18("8","1","3","9","1","1","1") = "8"
    & skf18("8","1","3","9","1","2","1") = "8"
    & skf18("8","1","3","9","1","3","1") = "8"
    & skf18("8","1","3","9","1","4","1") = "8"
    & skf18("8","1","3","9","1","5","1") = "8"
    & skf18("8","1","3","9","1","6","1") = "8"
    & skf18("8","1","3","9","1","7","1") = "8"
    & skf18("8","1","3","9","1","8","1") = "8"
    & skf18("8","1","3","9","1","9","1") = "8"
    & skf18("8","1","3","9","1","10","1") = "9"
    & skf18("8","1","3","9","2","1","1") = "8"
    & skf18("8","1","3","9","2","2","1") = "8"
    & skf18("8","1","3","9","2","3","1") = "8"
    & skf18("8","1","3","9","2","4","1") = "8"
    & skf18("8","1","3","9","2","5","1") = "8"
    & skf18("8","1","3","9","2","6","1") = "8"
    & skf18("8","1","3","9","2","7","1") = "8"
    & skf18("8","1","3","9","2","8","1") = "8"
    & skf18("8","1","3","9","2","9","1") = "8"
    & skf18("8","1","3","9","2","10","1") = "9"
    & skf18("8","1","3","9","3","1","1") = "8"
    & skf18("8","1","3","9","3","2","1") = "8"
    & skf18("8","1","3","9","3","3","1") = "8"
    & skf18("8","1","3","9","3","4","1") = "8"
    & skf18("8","1","3","9","3","5","1") = "8"
    & skf18("8","1","3","9","3","6","1") = "8"
    & skf18("8","1","3","9","3","7","1") = "8"
    & skf18("8","1","3","9","3","8","1") = "8"
    & skf18("8","1","3","9","3","9","1") = "8"
    & skf18("8","1","3","9","3","10","1") = "9"
    & skf18("8","1","3","9","4","1","1") = "8"
    & skf18("8","1","3","9","4","2","1") = "8"
    & skf18("8","1","3","9","4","3","1") = "8"
    & skf18("8","1","3","9","4","4","1") = "8"
    & skf18("8","1","3","9","4","5","1") = "8"
    & skf18("8","1","3","9","4","6","1") = "8"
    & skf18("8","1","3","9","4","7","1") = "8"
    & skf18("8","1","3","9","4","8","1") = "8"
    & skf18("8","1","3","9","4","9","1") = "8"
    & skf18("8","1","3","9","4","10","1") = "9"
    & skf18("8","1","3","9","5","1","1") = "8"
    & skf18("8","1","3","9","5","2","1") = "8"
    & skf18("8","1","3","9","5","3","1") = "8"
    & skf18("8","1","3","9","5","4","1") = "8"
    & skf18("8","1","3","9","5","5","1") = "8"
    & skf18("8","1","3","9","5","6","1") = "8"
    & skf18("8","1","3","9","5","7","1") = "8"
    & skf18("8","1","3","9","5","8","1") = "8"
    & skf18("8","1","3","9","5","9","1") = "8"
    & skf18("8","1","3","9","5","10","1") = "9"
    & skf18("8","1","3","9","6","1","1") = "8"
    & skf18("8","1","3","9","6","2","1") = "8"
    & skf18("8","1","3","9","6","3","1") = "8"
    & skf18("8","1","3","9","6","4","1") = "8"
    & skf18("8","1","3","9","6","5","1") = "8"
    & skf18("8","1","3","9","6","6","1") = "8"
    & skf18("8","1","3","9","6","7","1") = "8"
    & skf18("8","1","3","9","6","8","1") = "8"
    & skf18("8","1","3","9","6","9","1") = "8"
    & skf18("8","1","3","9","6","10","1") = "9"
    & skf18("8","1","3","9","7","1","1") = "8"
    & skf18("8","1","3","9","7","2","1") = "8"
    & skf18("8","1","3","9","7","3","1") = "8"
    & skf18("8","1","3","9","7","4","1") = "8"
    & skf18("8","1","3","9","7","5","1") = "8"
    & skf18("8","1","3","9","7","6","1") = "8"
    & skf18("8","1","3","9","7","7","1") = "8"
    & skf18("8","1","3","9","7","8","1") = "8"
    & skf18("8","1","3","9","7","9","1") = "8"
    & skf18("8","1","3","9","7","10","1") = "9"
    & skf18("8","1","3","9","8","1","1") = "8"
    & skf18("8","1","3","9","8","2","1") = "8"
    & skf18("8","1","3","9","8","3","1") = "8"
    & skf18("8","1","3","9","8","4","1") = "8"
    & skf18("8","1","3","9","8","5","1") = "8"
    & skf18("8","1","3","9","8","6","1") = "8"
    & skf18("8","1","3","9","8","7","1") = "8"
    & skf18("8","1","3","9","8","8","1") = "8"
    & skf18("8","1","3","9","8","9","1") = "8"
    & skf18("8","1","3","9","8","10","1") = "9"
    & skf18("8","1","3","9","9","1","1") = "8"
    & skf18("8","1","3","9","9","2","1") = "8"
    & skf18("8","1","3","9","9","3","1") = "8"
    & skf18("8","1","3","9","9","4","1") = "8"
    & skf18("8","1","3","9","9","5","1") = "8"
    & skf18("8","1","3","9","9","6","1") = "8"
    & skf18("8","1","3","9","9","7","1") = "8"
    & skf18("8","1","3","9","9","8","1") = "8"
    & skf18("8","1","3","9","9","9","1") = "8"
    & skf18("8","1","3","9","9","10","1") = "9"
    & skf18("8","1","3","9","10","1","1") = "9"
    & skf18("8","1","3","9","10","2","1") = "9"
    & skf18("8","1","3","9","10","3","1") = "9"
    & skf18("8","1","3","9","10","4","1") = "9"
    & skf18("8","1","3","9","10","5","1") = "9"
    & skf18("8","1","3","9","10","6","1") = "9"
    & skf18("8","1","3","9","10","7","1") = "9"
    & skf18("8","1","3","9","10","8","1") = "9"
    & skf18("8","1","3","9","10","9","1") = "9"
    & skf18("8","1","3","9","10","10","1") = "9"
    & skf18("8","1","3","10","1","1","1") = "9"
    & skf18("8","1","3","10","1","2","1") = "9"
    & skf18("8","1","3","10","1","3","1") = "9"
    & skf18("8","1","3","10","1","4","1") = "9"
    & skf18("8","1","3","10","1","5","1") = "9"
    & skf18("8","1","3","10","1","6","1") = "9"
    & skf18("8","1","3","10","1","7","1") = "9"
    & skf18("8","1","3","10","1","8","1") = "9"
    & skf18("8","1","3","10","1","9","1") = "9"
    & skf18("8","1","3","10","1","10","1") = "9"
    & skf18("8","1","3","10","2","1","1") = "9"
    & skf18("8","1","3","10","2","2","1") = "9"
    & skf18("8","1","3","10","2","3","1") = "9"
    & skf18("8","1","3","10","2","4","1") = "9"
    & skf18("8","1","3","10","2","5","1") = "9"
    & skf18("8","1","3","10","2","6","1") = "9"
    & skf18("8","1","3","10","2","7","1") = "9"
    & skf18("8","1","3","10","2","8","1") = "9"
    & skf18("8","1","3","10","2","9","1") = "9"
    & skf18("8","1","3","10","2","10","1") = "9"
    & skf18("8","1","3","10","3","1","1") = "9"
    & skf18("8","1","3","10","3","2","1") = "9"
    & skf18("8","1","3","10","3","3","1") = "9"
    & skf18("8","1","3","10","3","4","1") = "9"
    & skf18("8","1","3","10","3","5","1") = "9"
    & skf18("8","1","3","10","3","6","1") = "9"
    & skf18("8","1","3","10","3","7","1") = "9"
    & skf18("8","1","3","10","3","8","1") = "9"
    & skf18("8","1","3","10","3","9","1") = "9"
    & skf18("8","1","3","10","3","10","1") = "9"
    & skf18("8","1","3","10","4","1","1") = "9"
    & skf18("8","1","3","10","4","2","1") = "9"
    & skf18("8","1","3","10","4","3","1") = "9"
    & skf18("8","1","3","10","4","4","1") = "9"
    & skf18("8","1","3","10","4","5","1") = "9"
    & skf18("8","1","3","10","4","6","1") = "9"
    & skf18("8","1","3","10","4","7","1") = "9"
    & skf18("8","1","3","10","4","8","1") = "9"
    & skf18("8","1","3","10","4","9","1") = "9"
    & skf18("8","1","3","10","4","10","1") = "9"
    & skf18("8","1","3","10","5","1","1") = "9"
    & skf18("8","1","3","10","5","2","1") = "9"
    & skf18("8","1","3","10","5","3","1") = "9"
    & skf18("8","1","3","10","5","4","1") = "9"
    & skf18("8","1","3","10","5","5","1") = "9"
    & skf18("8","1","3","10","5","6","1") = "9"
    & skf18("8","1","3","10","5","7","1") = "9"
    & skf18("8","1","3","10","5","8","1") = "9"
    & skf18("8","1","3","10","5","9","1") = "9"
    & skf18("8","1","3","10","5","10","1") = "9"
    & skf18("8","1","3","10","6","1","1") = "9"
    & skf18("8","1","3","10","6","2","1") = "9"
    & skf18("8","1","3","10","6","3","1") = "9"
    & skf18("8","1","3","10","6","4","1") = "9"
    & skf18("8","1","3","10","6","5","1") = "9"
    & skf18("8","1","3","10","6","6","1") = "9"
    & skf18("8","1","3","10","6","7","1") = "9"
    & skf18("8","1","3","10","6","8","1") = "9"
    & skf18("8","1","3","10","6","9","1") = "9"
    & skf18("8","1","3","10","6","10","1") = "9"
    & skf18("8","1","3","10","7","1","1") = "9"
    & skf18("8","1","3","10","7","2","1") = "9"
    & skf18("8","1","3","10","7","3","1") = "9"
    & skf18("8","1","3","10","7","4","1") = "9"
    & skf18("8","1","3","10","7","5","1") = "9"
    & skf18("8","1","3","10","7","6","1") = "9"
    & skf18("8","1","3","10","7","7","1") = "9"
    & skf18("8","1","3","10","7","8","1") = "9"
    & skf18("8","1","3","10","7","9","1") = "9"
    & skf18("8","1","3","10","7","10","1") = "9"
    & skf18("8","1","3","10","8","1","1") = "9"
    & skf18("8","1","3","10","8","2","1") = "9"
    & skf18("8","1","3","10","8","3","1") = "9"
    & skf18("8","1","3","10","8","4","1") = "9"
    & skf18("8","1","3","10","8","5","1") = "9"
    & skf18("8","1","3","10","8","6","1") = "9"
    & skf18("8","1","3","10","8","7","1") = "9"
    & skf18("8","1","3","10","8","8","1") = "9"
    & skf18("8","1","3","10","8","9","1") = "9"
    & skf18("8","1","3","10","8","10","1") = "9"
    & skf18("8","1","3","10","9","1","1") = "9"
    & skf18("8","1","3","10","9","2","1") = "9"
    & skf18("8","1","3","10","9","3","1") = "9"
    & skf18("8","1","3","10","9","4","1") = "9"
    & skf18("8","1","3","10","9","5","1") = "9"
    & skf18("8","1","3","10","9","6","1") = "9"
    & skf18("8","1","3","10","9","7","1") = "9"
    & skf18("8","1","3","10","9","8","1") = "9"
    & skf18("8","1","3","10","9","9","1") = "9"
    & skf18("8","1","3","10","9","10","1") = "9"
    & skf18("8","1","3","10","10","1","1") = "9"
    & skf18("8","1","3","10","10","2","1") = "9"
    & skf18("8","1","3","10","10","3","1") = "9"
    & skf18("8","1","3","10","10","4","1") = "9"
    & skf18("8","1","3","10","10","5","1") = "9"
    & skf18("8","1","3","10","10","6","1") = "9"
    & skf18("8","1","3","10","10","7","1") = "9"
    & skf18("8","1","3","10","10","8","1") = "9"
    & skf18("8","1","3","10","10","9","1") = "9"
    & skf18("8","1","3","10","10","10","1") = "9"
    & skf18("8","1","4","1","1","1","1") = "7"
    & skf18("8","1","4","1","1","2","1") = "7"
    & skf18("8","1","4","1","1","3","1") = "7"
    & skf18("8","1","4","1","1","4","1") = "7"
    & skf18("8","1","4","1","1","5","1") = "7"
    & skf18("8","1","4","1","1","6","1") = "7"
    & skf18("8","1","4","1","1","7","1") = "7"
    & skf18("8","1","4","1","1","8","1") = "7"
    & skf18("8","1","4","1","1","9","1") = "8"
    & skf18("8","1","4","1","1","10","1") = "9"
    & skf18("8","1","4","1","2","1","1") = "7"
    & skf18("8","1","4","1","2","2","1") = "7"
    & skf18("8","1","4","1","2","3","1") = "7"
    & skf18("8","1","4","1","2","4","1") = "7"
    & skf18("8","1","4","1","2","5","1") = "7"
    & skf18("8","1","4","1","2","6","1") = "7"
    & skf18("8","1","4","1","2","7","1") = "7"
    & skf18("8","1","4","1","2","8","1") = "7"
    & skf18("8","1","4","1","2","9","1") = "8"
    & skf18("8","1","4","1","2","10","1") = "9"
    & skf18("8","1","4","1","3","1","1") = "7"
    & skf18("8","1","4","1","3","2","1") = "7"
    & skf18("8","1","4","1","3","3","1") = "7"
    & skf18("8","1","4","1","3","4","1") = "7"
    & skf18("8","1","4","1","3","5","1") = "7"
    & skf18("8","1","4","1","3","6","1") = "7"
    & skf18("8","1","4","1","3","7","1") = "7"
    & skf18("8","1","4","1","3","8","1") = "7"
    & skf18("8","1","4","1","3","9","1") = "8"
    & skf18("8","1","4","1","3","10","1") = "9"
    & skf18("8","1","4","1","4","1","1") = "7"
    & skf18("8","1","4","1","4","2","1") = "7"
    & skf18("8","1","4","1","4","3","1") = "7"
    & skf18("8","1","4","1","4","4","1") = "7"
    & skf18("8","1","4","1","4","5","1") = "7"
    & skf18("8","1","4","1","4","6","1") = "7"
    & skf18("8","1","4","1","4","7","1") = "7"
    & skf18("8","1","4","1","4","8","1") = "7"
    & skf18("8","1","4","1","4","9","1") = "8"
    & skf18("8","1","4","1","4","10","1") = "9"
    & skf18("8","1","4","1","5","1","1") = "7"
    & skf18("8","1","4","1","5","2","1") = "7"
    & skf18("8","1","4","1","5","3","1") = "7"
    & skf18("8","1","4","1","5","4","1") = "7"
    & skf18("8","1","4","1","5","5","1") = "7"
    & skf18("8","1","4","1","5","6","1") = "7"
    & skf18("8","1","4","1","5","7","1") = "7"
    & skf18("8","1","4","1","5","8","1") = "7"
    & skf18("8","1","4","1","5","9","1") = "8"
    & skf18("8","1","4","1","5","10","1") = "9"
    & skf18("8","1","4","1","6","1","1") = "6"
    & skf18("8","1","4","1","6","2","1") = "7"
    & skf18("8","1","4","1","6","3","1") = "7"
    & skf18("8","1","4","1","6","4","1") = "6"
    & skf18("8","1","4","1","6","5","1") = "7"
    & skf18("8","1","4","1","6","6","1") = "7"
    & skf18("8","1","4","1","6","7","1") = "6"
    & skf18("8","1","4","1","6","8","1") = "7"
    & skf18("8","1","4","1","6","9","1") = "8"
    & skf18("8","1","4","1","6","10","1") = "9"
    & skf18("8","1","4","1","7","1","1") = "7"
    & skf18("8","1","4","1","7","2","1") = "6"
    & skf18("8","1","4","1","7","3","1") = "7"
    & skf18("8","1","4","1","7","4","1") = "7"
    & skf18("8","1","4","1","7","5","1") = "6"
    & skf18("8","1","4","1","7","6","1") = "7"
    & skf18("8","1","4","1","7","7","1") = "7"
    & skf18("8","1","4","1","7","8","1") = "6"
    & skf18("8","1","4","1","7","9","1") = "8"
    & skf18("8","1","4","1","7","10","1") = "9"
    & skf18("8","1","4","1","8","1","1") = "7"
    & skf18("8","1","4","1","8","2","1") = "7"
    & skf18("8","1","4","1","8","3","1") = "6"
    & skf18("8","1","4","1","8","4","1") = "7"
    & skf18("8","1","4","1","8","5","1") = "7"
    & skf18("8","1","4","1","8","6","1") = "6"
    & skf18("8","1","4","1","8","7","1") = "7"
    & skf18("8","1","4","1","8","8","1") = "7"
    & skf18("8","1","4","1","8","9","1") = "8"
    & skf18("8","1","4","1","8","10","1") = "9"
    & skf18("8","1","4","1","9","1","1") = "8"
    & skf18("8","1","4","1","9","2","1") = "8"
    & skf18("8","1","4","1","9","3","1") = "8"
    & skf18("8","1","4","1","9","4","1") = "8"
    & skf18("8","1","4","1","9","5","1") = "8"
    & skf18("8","1","4","1","9","6","1") = "8"
    & skf18("8","1","4","1","9","7","1") = "8"
    & skf18("8","1","4","1","9","8","1") = "8"
    & skf18("8","1","4","1","9","9","1") = "8"
    & skf18("8","1","4","1","9","10","1") = "9"
    & skf18("8","1","4","1","10","1","1") = "9"
    & skf18("8","1","4","1","10","2","1") = "9"
    & skf18("8","1","4","1","10","3","1") = "9"
    & skf18("8","1","4","1","10","4","1") = "9"
    & skf18("8","1","4","1","10","5","1") = "9"
    & skf18("8","1","4","1","10","6","1") = "9"
    & skf18("8","1","4","1","10","7","1") = "9"
    & skf18("8","1","4","1","10","8","1") = "9"
    & skf18("8","1","4","1","10","9","1") = "9"
    & skf18("8","1","4","1","10","10","1") = "9"
    & skf18("8","1","4","2","1","1","1") = "6"
    & skf18("8","1","4","2","1","2","1") = "7"
    & skf18("8","1","4","2","1","3","1") = "7"
    & skf18("8","1","4","2","1","4","1") = "6"
    & skf18("8","1","4","2","1","5","1") = "7"
    & skf18("8","1","4","2","1","6","1") = "7"
    & skf18("8","1","4","2","1","7","1") = "6"
    & skf18("8","1","4","2","1","8","1") = "7"
    & skf18("8","1","4","2","1","9","1") = "8"
    & skf18("8","1","4","2","1","10","1") = "9"
    & skf18("8","1","4","2","2","1","1") = "7"
    & skf18("8","1","4","2","2","2","1") = "6"
    & skf18("8","1","4","2","2","3","1") = "7"
    & skf18("8","1","4","2","2","4","1") = "7"
    & skf18("8","1","4","2","2","5","1") = "6"
    & skf18("8","1","4","2","2","6","1") = "7"
    & skf18("8","1","4","2","2","7","1") = "7"
    & skf18("8","1","4","2","2","8","1") = "6"
    & skf18("8","1","4","2","2","9","1") = "8"
    & skf18("8","1","4","2","2","10","1") = "9"
    & skf18("8","1","4","2","3","1","1") = "7"
    & skf18("8","1","4","2","3","2","1") = "7"
    & skf18("8","1","4","2","3","3","1") = "6"
    & skf18("8","1","4","2","3","4","1") = "7"
    & skf18("8","1","4","2","3","5","1") = "7"
    & skf18("8","1","4","2","3","6","1") = "6"
    & skf18("8","1","4","2","3","7","1") = "7"
    & skf18("8","1","4","2","3","8","1") = "7"
    & skf18("8","1","4","2","3","9","1") = "8"
    & skf18("8","1","4","2","3","10","1") = "9"
    & skf18("8","1","4","2","4","1","1") = "6"
    & skf18("8","1","4","2","4","2","1") = "7"
    & skf18("8","1","4","2","4","3","1") = "7"
    & skf18("8","1","4","2","4","4","1") = "6"
    & skf18("8","1","4","2","4","5","1") = "7"
    & skf18("8","1","4","2","4","6","1") = "7"
    & skf18("8","1","4","2","4","7","1") = "6"
    & skf18("8","1","4","2","4","8","1") = "7"
    & skf18("8","1","4","2","4","9","1") = "8"
    & skf18("8","1","4","2","4","10","1") = "9"
    & skf18("8","1","4","2","5","1","1") = "7"
    & skf18("8","1","4","2","5","2","1") = "6"
    & skf18("8","1","4","2","5","3","1") = "7"
    & skf18("8","1","4","2","5","4","1") = "7"
    & skf18("8","1","4","2","5","5","1") = "6"
    & skf18("8","1","4","2","5","6","1") = "7"
    & skf18("8","1","4","2","5","7","1") = "7"
    & skf18("8","1","4","2","5","8","1") = "6"
    & skf18("8","1","4","2","5","9","1") = "8"
    & skf18("8","1","4","2","5","10","1") = "9"
    & skf18("8","1","4","2","6","1","1") = "7"
    & skf18("8","1","4","2","6","2","1") = "7"
    & skf18("8","1","4","2","6","3","1") = "6"
    & skf18("8","1","4","2","6","4","1") = "7"
    & skf18("8","1","4","2","6","5","1") = "7"
    & skf18("8","1","4","2","6","6","1") = "6"
    & skf18("8","1","4","2","6","7","1") = "7"
    & skf18("8","1","4","2","6","8","1") = "7"
    & skf18("8","1","4","2","6","9","1") = "8"
    & skf18("8","1","4","2","6","10","1") = "9"
    & skf18("8","1","4","2","7","1","1") = "6"
    & skf18("8","1","4","2","7","2","1") = "7"
    & skf18("8","1","4","2","7","3","1") = "7"
    & skf18("8","1","4","2","7","4","1") = "7"
    & skf18("8","1","4","2","7","5","1") = "7"
    & skf18("8","1","4","2","7","6","1") = "7"
    & skf18("8","1","4","2","7","7","1") = "7"
    & skf18("8","1","4","2","7","8","1") = "7"
    & skf18("8","1","4","2","7","9","1") = "8"
    & skf18("8","1","4","2","7","10","1") = "9"
    & skf18("8","1","4","2","8","1","1") = "7"
    & skf18("8","1","4","2","8","2","1") = "7"
    & skf18("8","1","4","2","8","3","1") = "7"
    & skf18("8","1","4","2","8","4","1") = "7"
    & skf18("8","1","4","2","8","5","1") = "7"
    & skf18("8","1","4","2","8","6","1") = "7"
    & skf18("8","1","4","2","8","7","1") = "7"
    & skf18("8","1","4","2","8","8","1") = "7"
    & skf18("8","1","4","2","8","9","1") = "8"
    & skf18("8","1","4","2","8","10","1") = "9"
    & skf18("8","1","4","2","9","1","1") = "8"
    & skf18("8","1","4","2","9","2","1") = "8"
    & skf18("8","1","4","2","9","3","1") = "8"
    & skf18("8","1","4","2","9","4","1") = "8"
    & skf18("8","1","4","2","9","5","1") = "8"
    & skf18("8","1","4","2","9","6","1") = "8"
    & skf18("8","1","4","2","9","7","1") = "8"
    & skf18("8","1","4","2","9","8","1") = "8"
    & skf18("8","1","4","2","9","9","1") = "8"
    & skf18("8","1","4","2","9","10","1") = "9"
    & skf18("8","1","4","2","10","1","1") = "9"
    & skf18("8","1","4","2","10","2","1") = "9"
    & skf18("8","1","4","2","10","3","1") = "9"
    & skf18("8","1","4","2","10","4","1") = "9"
    & skf18("8","1","4","2","10","5","1") = "9"
    & skf18("8","1","4","2","10","6","1") = "9"
    & skf18("8","1","4","2","10","7","1") = "9"
    & skf18("8","1","4","2","10","8","1") = "9"
    & skf18("8","1","4","2","10","9","1") = "9"
    & skf18("8","1","4","2","10","10","1") = "9"
    & skf18("8","1","4","3","1","1","1") = "7"
    & skf18("8","1","4","3","1","2","1") = "7"
    & skf18("8","1","4","3","1","3","1") = "7"
    & skf18("8","1","4","3","1","4","1") = "7"
    & skf18("8","1","4","3","1","5","1") = "7"
    & skf18("8","1","4","3","1","6","1") = "7"
    & skf18("8","1","4","3","1","7","1") = "7"
    & skf18("8","1","4","3","1","8","1") = "7"
    & skf18("8","1","4","3","1","9","1") = "8"
    & skf18("8","1","4","3","1","10","1") = "9"
    & skf18("8","1","4","3","2","1","1") = "7"
    & skf18("8","1","4","3","2","2","1") = "7"
    & skf18("8","1","4","3","2","3","1") = "7"
    & skf18("8","1","4","3","2","4","1") = "7"
    & skf18("8","1","4","3","2","5","1") = "7"
    & skf18("8","1","4","3","2","6","1") = "7"
    & skf18("8","1","4","3","2","7","1") = "7"
    & skf18("8","1","4","3","2","8","1") = "7"
    & skf18("8","1","4","3","2","9","1") = "8"
    & skf18("8","1","4","3","2","10","1") = "9"
    & skf18("8","1","4","3","3","1","1") = "7"
    & skf18("8","1","4","3","3","2","1") = "7"
    & skf18("8","1","4","3","3","3","1") = "7"
    & skf18("8","1","4","3","3","4","1") = "7"
    & skf18("8","1","4","3","3","5","1") = "7"
    & skf18("8","1","4","3","3","6","1") = "7"
    & skf18("8","1","4","3","3","7","1") = "7"
    & skf18("8","1","4","3","3","8","1") = "7"
    & skf18("8","1","4","3","3","9","1") = "8"
    & skf18("8","1","4","3","3","10","1") = "9"
    & skf18("8","1","4","3","4","1","1") = "7"
    & skf18("8","1","4","3","4","2","1") = "7"
    & skf18("8","1","4","3","4","3","1") = "7"
    & skf18("8","1","4","3","4","4","1") = "7"
    & skf18("8","1","4","3","4","5","1") = "7"
    & skf18("8","1","4","3","4","6","1") = "7"
    & skf18("8","1","4","3","4","7","1") = "7"
    & skf18("8","1","4","3","4","8","1") = "7"
    & skf18("8","1","4","3","4","9","1") = "8"
    & skf18("8","1","4","3","4","10","1") = "9"
    & skf18("8","1","4","3","5","1","1") = "7"
    & skf18("8","1","4","3","5","2","1") = "7"
    & skf18("8","1","4","3","5","3","1") = "7"
    & skf18("8","1","4","3","5","4","1") = "7"
    & skf18("8","1","4","3","5","5","1") = "7"
    & skf18("8","1","4","3","5","6","1") = "7"
    & skf18("8","1","4","3","5","7","1") = "7"
    & skf18("8","1","4","3","5","8","1") = "7"
    & skf18("8","1","4","3","5","9","1") = "8"
    & skf18("8","1","4","3","5","10","1") = "9"
    & skf18("8","1","4","3","6","1","1") = "7"
    & skf18("8","1","4","3","6","2","1") = "7"
    & skf18("8","1","4","3","6","3","1") = "7"
    & skf18("8","1","4","3","6","4","1") = "7"
    & skf18("8","1","4","3","6","5","1") = "7"
    & skf18("8","1","4","3","6","6","1") = "7"
    & skf18("8","1","4","3","6","7","1") = "7"
    & skf18("8","1","4","3","6","8","1") = "7"
    & skf18("8","1","4","3","6","9","1") = "8"
    & skf18("8","1","4","3","6","10","1") = "9"
    & skf18("8","1","4","3","7","1","1") = "7"
    & skf18("8","1","4","3","7","2","1") = "7"
    & skf18("8","1","4","3","7","3","1") = "7"
    & skf18("8","1","4","3","7","4","1") = "7"
    & skf18("8","1","4","3","7","5","1") = "7"
    & skf18("8","1","4","3","7","6","1") = "7"
    & skf18("8","1","4","3","7","7","1") = "7"
    & skf18("8","1","4","3","7","8","1") = "7"
    & skf18("8","1","4","3","7","9","1") = "8"
    & skf18("8","1","4","3","7","10","1") = "9"
    & skf18("8","1","4","3","8","1","1") = "7"
    & skf18("8","1","4","3","8","2","1") = "7"
    & skf18("8","1","4","3","8","3","1") = "7"
    & skf18("8","1","4","3","8","4","1") = "7"
    & skf18("8","1","4","3","8","5","1") = "7"
    & skf18("8","1","4","3","8","6","1") = "7"
    & skf18("8","1","4","3","8","7","1") = "7"
    & skf18("8","1","4","3","8","8","1") = "7"
    & skf18("8","1","4","3","8","9","1") = "8"
    & skf18("8","1","4","3","8","10","1") = "9"
    & skf18("8","1","4","3","9","1","1") = "8"
    & skf18("8","1","4","3","9","2","1") = "8"
    & skf18("8","1","4","3","9","3","1") = "8"
    & skf18("8","1","4","3","9","4","1") = "8"
    & skf18("8","1","4","3","9","5","1") = "8"
    & skf18("8","1","4","3","9","6","1") = "8"
    & skf18("8","1","4","3","9","7","1") = "8"
    & skf18("8","1","4","3","9","8","1") = "8"
    & skf18("8","1","4","3","9","9","1") = "8"
    & skf18("8","1","4","3","9","10","1") = "9"
    & skf18("8","1","4","3","10","1","1") = "9"
    & skf18("8","1","4","3","10","2","1") = "9"
    & skf18("8","1","4","3","10","3","1") = "9"
    & skf18("8","1","4","3","10","4","1") = "9"
    & skf18("8","1","4","3","10","5","1") = "9"
    & skf18("8","1","4","3","10","6","1") = "9"
    & skf18("8","1","4","3","10","7","1") = "9"
    & skf18("8","1","4","3","10","8","1") = "9"
    & skf18("8","1","4","3","10","9","1") = "9"
    & skf18("8","1","4","3","10","10","1") = "9"
    & skf18("8","1","4","4","1","1","1") = "7"
    & skf18("8","1","4","4","1","2","1") = "7"
    & skf18("8","1","4","4","1","3","1") = "7"
    & skf18("8","1","4","4","1","4","1") = "7"
    & skf18("8","1","4","4","1","5","1") = "7"
    & skf18("8","1","4","4","1","6","1") = "7"
    & skf18("8","1","4","4","1","7","1") = "7"
    & skf18("8","1","4","4","1","8","1") = "7"
    & skf18("8","1","4","4","1","9","1") = "8"
    & skf18("8","1","4","4","1","10","1") = "9"
    & skf18("8","1","4","4","2","1","1") = "7"
    & skf18("8","1","4","4","2","2","1") = "7"
    & skf18("8","1","4","4","2","3","1") = "7"
    & skf18("8","1","4","4","2","4","1") = "7"
    & skf18("8","1","4","4","2","5","1") = "7"
    & skf18("8","1","4","4","2","6","1") = "7"
    & skf18("8","1","4","4","2","7","1") = "7"
    & skf18("8","1","4","4","2","8","1") = "7"
    & skf18("8","1","4","4","2","9","1") = "8"
    & skf18("8","1","4","4","2","10","1") = "9"
    & skf18("8","1","4","4","3","1","1") = "7"
    & skf18("8","1","4","4","3","2","1") = "7"
    & skf18("8","1","4","4","3","3","1") = "7"
    & skf18("8","1","4","4","3","4","1") = "7"
    & skf18("8","1","4","4","3","5","1") = "7"
    & skf18("8","1","4","4","3","6","1") = "7"
    & skf18("8","1","4","4","3","7","1") = "7"
    & skf18("8","1","4","4","3","8","1") = "7"
    & skf18("8","1","4","4","3","9","1") = "8"
    & skf18("8","1","4","4","3","10","1") = "9"
    & skf18("8","1","4","4","4","1","1") = "7"
    & skf18("8","1","4","4","4","2","1") = "7"
    & skf18("8","1","4","4","4","3","1") = "7"
    & skf18("8","1","4","4","4","4","1") = "7"
    & skf18("8","1","4","4","4","5","1") = "7"
    & skf18("8","1","4","4","4","6","1") = "7"
    & skf18("8","1","4","4","4","7","1") = "7"
    & skf18("8","1","4","4","4","8","1") = "7"
    & skf18("8","1","4","4","4","9","1") = "8"
    & skf18("8","1","4","4","4","10","1") = "9"
    & skf18("8","1","4","4","5","1","1") = "7"
    & skf18("8","1","4","4","5","2","1") = "7"
    & skf18("8","1","4","4","5","3","1") = "7"
    & skf18("8","1","4","4","5","4","1") = "7"
    & skf18("8","1","4","4","5","5","1") = "7"
    & skf18("8","1","4","4","5","6","1") = "7"
    & skf18("8","1","4","4","5","7","1") = "7"
    & skf18("8","1","4","4","5","8","1") = "7"
    & skf18("8","1","4","4","5","9","1") = "8"
    & skf18("8","1","4","4","5","10","1") = "9"
    & skf18("8","1","4","4","6","1","1") = "7"
    & skf18("8","1","4","4","6","2","1") = "7"
    & skf18("8","1","4","4","6","3","1") = "7"
    & skf18("8","1","4","4","6","4","1") = "7"
    & skf18("8","1","4","4","6","5","1") = "7"
    & skf18("8","1","4","4","6","6","1") = "7"
    & skf18("8","1","4","4","6","7","1") = "7"
    & skf18("8","1","4","4","6","8","1") = "7"
    & skf18("8","1","4","4","6","9","1") = "8"
    & skf18("8","1","4","4","6","10","1") = "9"
    & skf18("8","1","4","4","7","1","1") = "7"
    & skf18("8","1","4","4","7","2","1") = "7"
    & skf18("8","1","4","4","7","3","1") = "7"
    & skf18("8","1","4","4","7","4","1") = "7"
    & skf18("8","1","4","4","7","5","1") = "7"
    & skf18("8","1","4","4","7","6","1") = "7"
    & skf18("8","1","4","4","7","7","1") = "7"
    & skf18("8","1","4","4","7","8","1") = "7"
    & skf18("8","1","4","4","7","9","1") = "8"
    & skf18("8","1","4","4","7","10","1") = "9"
    & skf18("8","1","4","4","8","1","1") = "7"
    & skf18("8","1","4","4","8","2","1") = "7"
    & skf18("8","1","4","4","8","3","1") = "7"
    & skf18("8","1","4","4","8","4","1") = "7"
    & skf18("8","1","4","4","8","5","1") = "7"
    & skf18("8","1","4","4","8","6","1") = "7"
    & skf18("8","1","4","4","8","7","1") = "7"
    & skf18("8","1","4","4","8","8","1") = "7"
    & skf18("8","1","4","4","8","9","1") = "8"
    & skf18("8","1","4","4","8","10","1") = "9"
    & skf18("8","1","4","4","9","1","1") = "8"
    & skf18("8","1","4","4","9","2","1") = "8"
    & skf18("8","1","4","4","9","3","1") = "8"
    & skf18("8","1","4","4","9","4","1") = "8"
    & skf18("8","1","4","4","9","5","1") = "8"
    & skf18("8","1","4","4","9","6","1") = "8"
    & skf18("8","1","4","4","9","7","1") = "8"
    & skf18("8","1","4","4","9","8","1") = "8"
    & skf18("8","1","4","4","9","9","1") = "8"
    & skf18("8","1","4","4","9","10","1") = "9"
    & skf18("8","1","4","4","10","1","1") = "9"
    & skf18("8","1","4","4","10","2","1") = "9"
    & skf18("8","1","4","4","10","3","1") = "9"
    & skf18("8","1","4","4","10","4","1") = "9"
    & skf18("8","1","4","4","10","5","1") = "9"
    & skf18("8","1","4","4","10","6","1") = "9"
    & skf18("8","1","4","4","10","7","1") = "9"
    & skf18("8","1","4","4","10","8","1") = "9"
    & skf18("8","1","4","4","10","9","1") = "9"
    & skf18("8","1","4","4","10","10","1") = "9"
    & skf18("8","1","4","5","1","1","1") = "7"
    & skf18("8","1","4","5","1","2","1") = "7"
    & skf18("8","1","4","5","1","3","1") = "7"
    & skf18("8","1","4","5","1","4","1") = "7"
    & skf18("8","1","4","5","1","5","1") = "7"
    & skf18("8","1","4","5","1","6","1") = "7"
    & skf18("8","1","4","5","1","7","1") = "7"
    & skf18("8","1","4","5","1","8","1") = "7"
    & skf18("8","1","4","5","1","9","1") = "8"
    & skf18("8","1","4","5","1","10","1") = "9"
    & skf18("8","1","4","5","2","1","1") = "7"
    & skf18("8","1","4","5","2","2","1") = "7"
    & skf18("8","1","4","5","2","3","1") = "7"
    & skf18("8","1","4","5","2","4","1") = "7"
    & skf18("8","1","4","5","2","5","1") = "7"
    & skf18("8","1","4","5","2","6","1") = "7"
    & skf18("8","1","4","5","2","7","1") = "7"
    & skf18("8","1","4","5","2","8","1") = "7"
    & skf18("8","1","4","5","2","9","1") = "8"
    & skf18("8","1","4","5","2","10","1") = "9"
    & skf18("8","1","4","5","3","1","1") = "7"
    & skf18("8","1","4","5","3","2","1") = "7"
    & skf18("8","1","4","5","3","3","1") = "7"
    & skf18("8","1","4","5","3","4","1") = "7"
    & skf18("8","1","4","5","3","5","1") = "7"
    & skf18("8","1","4","5","3","6","1") = "7"
    & skf18("8","1","4","5","3","7","1") = "7"
    & skf18("8","1","4","5","3","8","1") = "7"
    & skf18("8","1","4","5","3","9","1") = "8"
    & skf18("8","1","4","5","3","10","1") = "9"
    & skf18("8","1","4","5","4","1","1") = "7"
    & skf18("8","1","4","5","4","2","1") = "7"
    & skf18("8","1","4","5","4","3","1") = "7"
    & skf18("8","1","4","5","4","4","1") = "7"
    & skf18("8","1","4","5","4","5","1") = "7"
    & skf18("8","1","4","5","4","6","1") = "7"
    & skf18("8","1","4","5","4","7","1") = "7"
    & skf18("8","1","4","5","4","8","1") = "7"
    & skf18("8","1","4","5","4","9","1") = "8"
    & skf18("8","1","4","5","4","10","1") = "9"
    & skf18("8","1","4","5","5","1","1") = "7"
    & skf18("8","1","4","5","5","2","1") = "7"
    & skf18("8","1","4","5","5","3","1") = "7"
    & skf18("8","1","4","5","5","4","1") = "7"
    & skf18("8","1","4","5","5","5","1") = "7"
    & skf18("8","1","4","5","5","6","1") = "7"
    & skf18("8","1","4","5","5","7","1") = "7"
    & skf18("8","1","4","5","5","8","1") = "7"
    & skf18("8","1","4","5","5","9","1") = "8"
    & skf18("8","1","4","5","5","10","1") = "9"
    & skf18("8","1","4","5","6","1","1") = "7"
    & skf18("8","1","4","5","6","2","1") = "7"
    & skf18("8","1","4","5","6","3","1") = "7"
    & skf18("8","1","4","5","6","4","1") = "7"
    & skf18("8","1","4","5","6","5","1") = "7"
    & skf18("8","1","4","5","6","6","1") = "7"
    & skf18("8","1","4","5","6","7","1") = "7"
    & skf18("8","1","4","5","6","8","1") = "7"
    & skf18("8","1","4","5","6","9","1") = "8"
    & skf18("8","1","4","5","6","10","1") = "9"
    & skf18("8","1","4","5","7","1","1") = "7"
    & skf18("8","1","4","5","7","2","1") = "7"
    & skf18("8","1","4","5","7","3","1") = "7"
    & skf18("8","1","4","5","7","4","1") = "7"
    & skf18("8","1","4","5","7","5","1") = "7"
    & skf18("8","1","4","5","7","6","1") = "7"
    & skf18("8","1","4","5","7","7","1") = "7"
    & skf18("8","1","4","5","7","8","1") = "7"
    & skf18("8","1","4","5","7","9","1") = "8"
    & skf18("8","1","4","5","7","10","1") = "9"
    & skf18("8","1","4","5","8","1","1") = "7"
    & skf18("8","1","4","5","8","2","1") = "7"
    & skf18("8","1","4","5","8","3","1") = "7"
    & skf18("8","1","4","5","8","4","1") = "7"
    & skf18("8","1","4","5","8","5","1") = "7"
    & skf18("8","1","4","5","8","6","1") = "7"
    & skf18("8","1","4","5","8","7","1") = "7"
    & skf18("8","1","4","5","8","8","1") = "7"
    & skf18("8","1","4","5","8","9","1") = "8"
    & skf18("8","1","4","5","8","10","1") = "9"
    & skf18("8","1","4","5","9","1","1") = "8"
    & skf18("8","1","4","5","9","2","1") = "8"
    & skf18("8","1","4","5","9","3","1") = "8"
    & skf18("8","1","4","5","9","4","1") = "8"
    & skf18("8","1","4","5","9","5","1") = "8"
    & skf18("8","1","4","5","9","6","1") = "8"
    & skf18("8","1","4","5","9","7","1") = "8"
    & skf18("8","1","4","5","9","8","1") = "8"
    & skf18("8","1","4","5","9","9","1") = "8"
    & skf18("8","1","4","5","9","10","1") = "9"
    & skf18("8","1","4","5","10","1","1") = "9"
    & skf18("8","1","4","5","10","2","1") = "9"
    & skf18("8","1","4","5","10","3","1") = "9"
    & skf18("8","1","4","5","10","4","1") = "9"
    & skf18("8","1","4","5","10","5","1") = "9"
    & skf18("8","1","4","5","10","6","1") = "9"
    & skf18("8","1","4","5","10","7","1") = "9"
    & skf18("8","1","4","5","10","8","1") = "9"
    & skf18("8","1","4","5","10","9","1") = "9"
    & skf18("8","1","4","5","10","10","1") = "9"
    & skf18("8","1","4","6","1","1","1") = "7"
    & skf18("8","1","4","6","1","2","1") = "7"
    & skf18("8","1","4","6","1","3","1") = "7"
    & skf18("8","1","4","6","1","4","1") = "7"
    & skf18("8","1","4","6","1","5","1") = "7"
    & skf18("8","1","4","6","1","6","1") = "7"
    & skf18("8","1","4","6","1","7","1") = "7"
    & skf18("8","1","4","6","1","8","1") = "7"
    & skf18("8","1","4","6","1","9","1") = "8"
    & skf18("8","1","4","6","1","10","1") = "9"
    & skf18("8","1","4","6","2","1","1") = "7"
    & skf18("8","1","4","6","2","2","1") = "7"
    & skf18("8","1","4","6","2","3","1") = "7"
    & skf18("8","1","4","6","2","4","1") = "7"
    & skf18("8","1","4","6","2","5","1") = "7"
    & skf18("8","1","4","6","2","6","1") = "7"
    & skf18("8","1","4","6","2","7","1") = "7"
    & skf18("8","1","4","6","2","8","1") = "7"
    & skf18("8","1","4","6","2","9","1") = "8"
    & skf18("8","1","4","6","2","10","1") = "9"
    & skf18("8","1","4","6","3","1","1") = "7"
    & skf18("8","1","4","6","3","2","1") = "7"
    & skf18("8","1","4","6","3","3","1") = "7"
    & skf18("8","1","4","6","3","4","1") = "7"
    & skf18("8","1","4","6","3","5","1") = "7"
    & skf18("8","1","4","6","3","6","1") = "7"
    & skf18("8","1","4","6","3","7","1") = "7"
    & skf18("8","1","4","6","3","8","1") = "7"
    & skf18("8","1","4","6","3","9","1") = "8"
    & skf18("8","1","4","6","3","10","1") = "9"
    & skf18("8","1","4","6","4","1","1") = "7"
    & skf18("8","1","4","6","4","2","1") = "7"
    & skf18("8","1","4","6","4","3","1") = "7"
    & skf18("8","1","4","6","4","4","1") = "7"
    & skf18("8","1","4","6","4","5","1") = "7"
    & skf18("8","1","4","6","4","6","1") = "7"
    & skf18("8","1","4","6","4","7","1") = "7"
    & skf18("8","1","4","6","4","8","1") = "7"
    & skf18("8","1","4","6","4","9","1") = "8"
    & skf18("8","1","4","6","4","10","1") = "9"
    & skf18("8","1","4","6","5","1","1") = "7"
    & skf18("8","1","4","6","5","2","1") = "7"
    & skf18("8","1","4","6","5","3","1") = "7"
    & skf18("8","1","4","6","5","4","1") = "7"
    & skf18("8","1","4","6","5","5","1") = "7"
    & skf18("8","1","4","6","5","6","1") = "7"
    & skf18("8","1","4","6","5","7","1") = "7"
    & skf18("8","1","4","6","5","8","1") = "7"
    & skf18("8","1","4","6","5","9","1") = "8"
    & skf18("8","1","4","6","5","10","1") = "9"
    & skf18("8","1","4","6","6","1","1") = "7"
    & skf18("8","1","4","6","6","2","1") = "7"
    & skf18("8","1","4","6","6","3","1") = "7"
    & skf18("8","1","4","6","6","4","1") = "7"
    & skf18("8","1","4","6","6","5","1") = "7"
    & skf18("8","1","4","6","6","6","1") = "7"
    & skf18("8","1","4","6","6","7","1") = "7"
    & skf18("8","1","4","6","6","8","1") = "7"
    & skf18("8","1","4","6","6","9","1") = "8"
    & skf18("8","1","4","6","6","10","1") = "9"
    & skf18("8","1","4","6","7","1","1") = "7"
    & skf18("8","1","4","6","7","2","1") = "7"
    & skf18("8","1","4","6","7","3","1") = "7"
    & skf18("8","1","4","6","7","4","1") = "7"
    & skf18("8","1","4","6","7","5","1") = "7"
    & skf18("8","1","4","6","7","6","1") = "7"
    & skf18("8","1","4","6","7","7","1") = "7"
    & skf18("8","1","4","6","7","8","1") = "7"
    & skf18("8","1","4","6","7","9","1") = "8"
    & skf18("8","1","4","6","7","10","1") = "9"
    & skf18("8","1","4","6","8","1","1") = "7"
    & skf18("8","1","4","6","8","2","1") = "7"
    & skf18("8","1","4","6","8","3","1") = "7"
    & skf18("8","1","4","6","8","4","1") = "7"
    & skf18("8","1","4","6","8","5","1") = "7"
    & skf18("8","1","4","6","8","6","1") = "7"
    & skf18("8","1","4","6","8","7","1") = "7"
    & skf18("8","1","4","6","8","8","1") = "7"
    & skf18("8","1","4","6","8","9","1") = "8"
    & skf18("8","1","4","6","8","10","1") = "9"
    & skf18("8","1","4","6","9","1","1") = "8"
    & skf18("8","1","4","6","9","2","1") = "8"
    & skf18("8","1","4","6","9","3","1") = "8"
    & skf18("8","1","4","6","9","4","1") = "8"
    & skf18("8","1","4","6","9","5","1") = "8"
    & skf18("8","1","4","6","9","6","1") = "8"
    & skf18("8","1","4","6","9","7","1") = "8"
    & skf18("8","1","4","6","9","8","1") = "8"
    & skf18("8","1","4","6","9","9","1") = "8"
    & skf18("8","1","4","6","9","10","1") = "9"
    & skf18("8","1","4","6","10","1","1") = "9"
    & skf18("8","1","4","6","10","2","1") = "9"
    & skf18("8","1","4","6","10","3","1") = "9"
    & skf18("8","1","4","6","10","4","1") = "9"
    & skf18("8","1","4","6","10","5","1") = "9"
    & skf18("8","1","4","6","10","6","1") = "9"
    & skf18("8","1","4","6","10","7","1") = "9"
    & skf18("8","1","4","6","10","8","1") = "9"
    & skf18("8","1","4","6","10","9","1") = "9"
    & skf18("8","1","4","6","10","10","1") = "9"
    & skf18("8","1","4","7","1","1","1") = "7"
    & skf18("8","1","4","7","1","2","1") = "7"
    & skf18("8","1","4","7","1","3","1") = "7"
    & skf18("8","1","4","7","1","4","1") = "7"
    & skf18("8","1","4","7","1","5","1") = "7"
    & skf18("8","1","4","7","1","6","1") = "7"
    & skf18("8","1","4","7","1","7","1") = "7"
    & skf18("8","1","4","7","1","8","1") = "7"
    & skf18("8","1","4","7","1","9","1") = "8"
    & skf18("8","1","4","7","1","10","1") = "9"
    & skf18("8","1","4","7","2","1","1") = "7"
    & skf18("8","1","4","7","2","2","1") = "7"
    & skf18("8","1","4","7","2","3","1") = "7"
    & skf18("8","1","4","7","2","4","1") = "7"
    & skf18("8","1","4","7","2","5","1") = "7"
    & skf18("8","1","4","7","2","6","1") = "7"
    & skf18("8","1","4","7","2","7","1") = "7"
    & skf18("8","1","4","7","2","8","1") = "7"
    & skf18("8","1","4","7","2","9","1") = "8"
    & skf18("8","1","4","7","2","10","1") = "9"
    & skf18("8","1","4","7","3","1","1") = "7"
    & skf18("8","1","4","7","3","2","1") = "7"
    & skf18("8","1","4","7","3","3","1") = "7"
    & skf18("8","1","4","7","3","4","1") = "7"
    & skf18("8","1","4","7","3","5","1") = "7"
    & skf18("8","1","4","7","3","6","1") = "7"
    & skf18("8","1","4","7","3","7","1") = "7"
    & skf18("8","1","4","7","3","8","1") = "7"
    & skf18("8","1","4","7","3","9","1") = "8"
    & skf18("8","1","4","7","3","10","1") = "9"
    & skf18("8","1","4","7","4","1","1") = "7"
    & skf18("8","1","4","7","4","2","1") = "7"
    & skf18("8","1","4","7","4","3","1") = "7"
    & skf18("8","1","4","7","4","4","1") = "7"
    & skf18("8","1","4","7","4","5","1") = "7"
    & skf18("8","1","4","7","4","6","1") = "7"
    & skf18("8","1","4","7","4","7","1") = "7"
    & skf18("8","1","4","7","4","8","1") = "7"
    & skf18("8","1","4","7","4","9","1") = "8"
    & skf18("8","1","4","7","4","10","1") = "9"
    & skf18("8","1","4","7","5","1","1") = "7"
    & skf18("8","1","4","7","5","2","1") = "7"
    & skf18("8","1","4","7","5","3","1") = "7"
    & skf18("8","1","4","7","5","4","1") = "7"
    & skf18("8","1","4","7","5","5","1") = "7"
    & skf18("8","1","4","7","5","6","1") = "7"
    & skf18("8","1","4","7","5","7","1") = "7"
    & skf18("8","1","4","7","5","8","1") = "7"
    & skf18("8","1","4","7","5","9","1") = "8"
    & skf18("8","1","4","7","5","10","1") = "9"
    & skf18("8","1","4","7","6","1","1") = "7"
    & skf18("8","1","4","7","6","2","1") = "7"
    & skf18("8","1","4","7","6","3","1") = "7"
    & skf18("8","1","4","7","6","4","1") = "7"
    & skf18("8","1","4","7","6","5","1") = "7"
    & skf18("8","1","4","7","6","6","1") = "7"
    & skf18("8","1","4","7","6","7","1") = "7"
    & skf18("8","1","4","7","6","8","1") = "7"
    & skf18("8","1","4","7","6","9","1") = "8"
    & skf18("8","1","4","7","6","10","1") = "9"
    & skf18("8","1","4","7","7","1","1") = "7"
    & skf18("8","1","4","7","7","2","1") = "7"
    & skf18("8","1","4","7","7","3","1") = "7"
    & skf18("8","1","4","7","7","4","1") = "7"
    & skf18("8","1","4","7","7","5","1") = "7"
    & skf18("8","1","4","7","7","6","1") = "7"
    & skf18("8","1","4","7","7","7","1") = "7"
    & skf18("8","1","4","7","7","8","1") = "7"
    & skf18("8","1","4","7","7","9","1") = "8"
    & skf18("8","1","4","7","7","10","1") = "9"
    & skf18("8","1","4","7","8","1","1") = "7"
    & skf18("8","1","4","7","8","2","1") = "7"
    & skf18("8","1","4","7","8","3","1") = "7"
    & skf18("8","1","4","7","8","4","1") = "7"
    & skf18("8","1","4","7","8","5","1") = "7"
    & skf18("8","1","4","7","8","6","1") = "7"
    & skf18("8","1","4","7","8","7","1") = "7"
    & skf18("8","1","4","7","8","8","1") = "7"
    & skf18("8","1","4","7","8","9","1") = "8"
    & skf18("8","1","4","7","8","10","1") = "9"
    & skf18("8","1","4","7","9","1","1") = "8"
    & skf18("8","1","4","7","9","2","1") = "8"
    & skf18("8","1","4","7","9","3","1") = "8"
    & skf18("8","1","4","7","9","4","1") = "8"
    & skf18("8","1","4","7","9","5","1") = "8"
    & skf18("8","1","4","7","9","6","1") = "8"
    & skf18("8","1","4","7","9","7","1") = "8"
    & skf18("8","1","4","7","9","8","1") = "8"
    & skf18("8","1","4","7","9","9","1") = "8"
    & skf18("8","1","4","7","9","10","1") = "9"
    & skf18("8","1","4","7","10","1","1") = "9"
    & skf18("8","1","4","7","10","2","1") = "9"
    & skf18("8","1","4","7","10","3","1") = "9"
    & skf18("8","1","4","7","10","4","1") = "9"
    & skf18("8","1","4","7","10","5","1") = "9"
    & skf18("8","1","4","7","10","6","1") = "9"
    & skf18("8","1","4","7","10","7","1") = "9"
    & skf18("8","1","4","7","10","8","1") = "9"
    & skf18("8","1","4","7","10","9","1") = "9"
    & skf18("8","1","4","7","10","10","1") = "9"
    & skf18("8","1","4","8","1","1","1") = "7"
    & skf18("8","1","4","8","1","2","1") = "7"
    & skf18("8","1","4","8","1","3","1") = "7"
    & skf18("8","1","4","8","1","4","1") = "7"
    & skf18("8","1","4","8","1","5","1") = "7"
    & skf18("8","1","4","8","1","6","1") = "7"
    & skf18("8","1","4","8","1","7","1") = "7"
    & skf18("8","1","4","8","1","8","1") = "7"
    & skf18("8","1","4","8","1","9","1") = "8"
    & skf18("8","1","4","8","1","10","1") = "9"
    & skf18("8","1","4","8","2","1","1") = "7"
    & skf18("8","1","4","8","2","2","1") = "7"
    & skf18("8","1","4","8","2","3","1") = "7"
    & skf18("8","1","4","8","2","4","1") = "7"
    & skf18("8","1","4","8","2","5","1") = "7"
    & skf18("8","1","4","8","2","6","1") = "7"
    & skf18("8","1","4","8","2","7","1") = "7"
    & skf18("8","1","4","8","2","8","1") = "7"
    & skf18("8","1","4","8","2","9","1") = "8"
    & skf18("8","1","4","8","2","10","1") = "9"
    & skf18("8","1","4","8","3","1","1") = "7"
    & skf18("8","1","4","8","3","2","1") = "7"
    & skf18("8","1","4","8","3","3","1") = "7"
    & skf18("8","1","4","8","3","4","1") = "7"
    & skf18("8","1","4","8","3","5","1") = "7"
    & skf18("8","1","4","8","3","6","1") = "7"
    & skf18("8","1","4","8","3","7","1") = "7"
    & skf18("8","1","4","8","3","8","1") = "7"
    & skf18("8","1","4","8","3","9","1") = "8"
    & skf18("8","1","4","8","3","10","1") = "9"
    & skf18("8","1","4","8","4","1","1") = "7"
    & skf18("8","1","4","8","4","2","1") = "7"
    & skf18("8","1","4","8","4","3","1") = "7"
    & skf18("8","1","4","8","4","4","1") = "7"
    & skf18("8","1","4","8","4","5","1") = "7"
    & skf18("8","1","4","8","4","6","1") = "7"
    & skf18("8","1","4","8","4","7","1") = "7"
    & skf18("8","1","4","8","4","8","1") = "7"
    & skf18("8","1","4","8","4","9","1") = "8"
    & skf18("8","1","4","8","4","10","1") = "9"
    & skf18("8","1","4","8","5","1","1") = "7"
    & skf18("8","1","4","8","5","2","1") = "7"
    & skf18("8","1","4","8","5","3","1") = "7"
    & skf18("8","1","4","8","5","4","1") = "7"
    & skf18("8","1","4","8","5","5","1") = "7"
    & skf18("8","1","4","8","5","6","1") = "7"
    & skf18("8","1","4","8","5","7","1") = "7"
    & skf18("8","1","4","8","5","8","1") = "7"
    & skf18("8","1","4","8","5","9","1") = "8"
    & skf18("8","1","4","8","5","10","1") = "9"
    & skf18("8","1","4","8","6","1","1") = "7"
    & skf18("8","1","4","8","6","2","1") = "7"
    & skf18("8","1","4","8","6","3","1") = "7"
    & skf18("8","1","4","8","6","4","1") = "7"
    & skf18("8","1","4","8","6","5","1") = "7"
    & skf18("8","1","4","8","6","6","1") = "7"
    & skf18("8","1","4","8","6","7","1") = "7"
    & skf18("8","1","4","8","6","8","1") = "7"
    & skf18("8","1","4","8","6","9","1") = "8"
    & skf18("8","1","4","8","6","10","1") = "9"
    & skf18("8","1","4","8","7","1","1") = "7"
    & skf18("8","1","4","8","7","2","1") = "7"
    & skf18("8","1","4","8","7","3","1") = "7"
    & skf18("8","1","4","8","7","4","1") = "7"
    & skf18("8","1","4","8","7","5","1") = "7"
    & skf18("8","1","4","8","7","6","1") = "7"
    & skf18("8","1","4","8","7","7","1") = "7"
    & skf18("8","1","4","8","7","8","1") = "7"
    & skf18("8","1","4","8","7","9","1") = "8"
    & skf18("8","1","4","8","7","10","1") = "9"
    & skf18("8","1","4","8","8","1","1") = "7"
    & skf18("8","1","4","8","8","2","1") = "7"
    & skf18("8","1","4","8","8","3","1") = "7"
    & skf18("8","1","4","8","8","4","1") = "7"
    & skf18("8","1","4","8","8","5","1") = "7"
    & skf18("8","1","4","8","8","6","1") = "7"
    & skf18("8","1","4","8","8","7","1") = "7"
    & skf18("8","1","4","8","8","8","1") = "7"
    & skf18("8","1","4","8","8","9","1") = "8"
    & skf18("8","1","4","8","8","10","1") = "9"
    & skf18("8","1","4","8","9","1","1") = "8"
    & skf18("8","1","4","8","9","2","1") = "8"
    & skf18("8","1","4","8","9","3","1") = "8"
    & skf18("8","1","4","8","9","4","1") = "8"
    & skf18("8","1","4","8","9","5","1") = "8"
    & skf18("8","1","4","8","9","6","1") = "8"
    & skf18("8","1","4","8","9","7","1") = "8"
    & skf18("8","1","4","8","9","8","1") = "8"
    & skf18("8","1","4","8","9","9","1") = "8"
    & skf18("8","1","4","8","9","10","1") = "9"
    & skf18("8","1","4","8","10","1","1") = "9"
    & skf18("8","1","4","8","10","2","1") = "9"
    & skf18("8","1","4","8","10","3","1") = "9"
    & skf18("8","1","4","8","10","4","1") = "9"
    & skf18("8","1","4","8","10","5","1") = "9"
    & skf18("8","1","4","8","10","6","1") = "9"
    & skf18("8","1","4","8","10","7","1") = "9"
    & skf18("8","1","4","8","10","8","1") = "9"
    & skf18("8","1","4","8","10","9","1") = "9"
    & skf18("8","1","4","8","10","10","1") = "9"
    & skf18("8","1","4","9","1","1","1") = "8"
    & skf18("8","1","4","9","1","2","1") = "8"
    & skf18("8","1","4","9","1","3","1") = "8"
    & skf18("8","1","4","9","1","4","1") = "8"
    & skf18("8","1","4","9","1","5","1") = "8"
    & skf18("8","1","4","9","1","6","1") = "8"
    & skf18("8","1","4","9","1","7","1") = "8"
    & skf18("8","1","4","9","1","8","1") = "8"
    & skf18("8","1","4","9","1","9","1") = "8"
    & skf18("8","1","4","9","1","10","1") = "9"
    & skf18("8","1","4","9","2","1","1") = "8"
    & skf18("8","1","4","9","2","2","1") = "8"
    & skf18("8","1","4","9","2","3","1") = "8"
    & skf18("8","1","4","9","2","4","1") = "8"
    & skf18("8","1","4","9","2","5","1") = "8"
    & skf18("8","1","4","9","2","6","1") = "8"
    & skf18("8","1","4","9","2","7","1") = "8"
    & skf18("8","1","4","9","2","8","1") = "8"
    & skf18("8","1","4","9","2","9","1") = "8"
    & skf18("8","1","4","9","2","10","1") = "9"
    & skf18("8","1","4","9","3","1","1") = "8"
    & skf18("8","1","4","9","3","2","1") = "8"
    & skf18("8","1","4","9","3","3","1") = "8"
    & skf18("8","1","4","9","3","4","1") = "8"
    & skf18("8","1","4","9","3","5","1") = "8"
    & skf18("8","1","4","9","3","6","1") = "8"
    & skf18("8","1","4","9","3","7","1") = "8"
    & skf18("8","1","4","9","3","8","1") = "8"
    & skf18("8","1","4","9","3","9","1") = "8"
    & skf18("8","1","4","9","3","10","1") = "9"
    & skf18("8","1","4","9","4","1","1") = "8"
    & skf18("8","1","4","9","4","2","1") = "8"
    & skf18("8","1","4","9","4","3","1") = "8"
    & skf18("8","1","4","9","4","4","1") = "8"
    & skf18("8","1","4","9","4","5","1") = "8"
    & skf18("8","1","4","9","4","6","1") = "8"
    & skf18("8","1","4","9","4","7","1") = "8"
    & skf18("8","1","4","9","4","8","1") = "8"
    & skf18("8","1","4","9","4","9","1") = "8"
    & skf18("8","1","4","9","4","10","1") = "9"
    & skf18("8","1","4","9","5","1","1") = "8"
    & skf18("8","1","4","9","5","2","1") = "8"
    & skf18("8","1","4","9","5","3","1") = "8"
    & skf18("8","1","4","9","5","4","1") = "8"
    & skf18("8","1","4","9","5","5","1") = "8"
    & skf18("8","1","4","9","5","6","1") = "8"
    & skf18("8","1","4","9","5","7","1") = "8"
    & skf18("8","1","4","9","5","8","1") = "8"
    & skf18("8","1","4","9","5","9","1") = "8"
    & skf18("8","1","4","9","5","10","1") = "9"
    & skf18("8","1","4","9","6","1","1") = "8"
    & skf18("8","1","4","9","6","2","1") = "8"
    & skf18("8","1","4","9","6","3","1") = "8"
    & skf18("8","1","4","9","6","4","1") = "8"
    & skf18("8","1","4","9","6","5","1") = "8"
    & skf18("8","1","4","9","6","6","1") = "8"
    & skf18("8","1","4","9","6","7","1") = "8"
    & skf18("8","1","4","9","6","8","1") = "8"
    & skf18("8","1","4","9","6","9","1") = "8"
    & skf18("8","1","4","9","6","10","1") = "9"
    & skf18("8","1","4","9","7","1","1") = "8"
    & skf18("8","1","4","9","7","2","1") = "8"
    & skf18("8","1","4","9","7","3","1") = "8"
    & skf18("8","1","4","9","7","4","1") = "8"
    & skf18("8","1","4","9","7","5","1") = "8"
    & skf18("8","1","4","9","7","6","1") = "8"
    & skf18("8","1","4","9","7","7","1") = "8"
    & skf18("8","1","4","9","7","8","1") = "8"
    & skf18("8","1","4","9","7","9","1") = "8"
    & skf18("8","1","4","9","7","10","1") = "9"
    & skf18("8","1","4","9","8","1","1") = "8"
    & skf18("8","1","4","9","8","2","1") = "8"
    & skf18("8","1","4","9","8","3","1") = "8"
    & skf18("8","1","4","9","8","4","1") = "8"
    & skf18("8","1","4","9","8","5","1") = "8"
    & skf18("8","1","4","9","8","6","1") = "8"
    & skf18("8","1","4","9","8","7","1") = "8"
    & skf18("8","1","4","9","8","8","1") = "8"
    & skf18("8","1","4","9","8","9","1") = "8"
    & skf18("8","1","4","9","8","10","1") = "9"
    & skf18("8","1","4","9","9","1","1") = "8"
    & skf18("8","1","4","9","9","2","1") = "8"
    & skf18("8","1","4","9","9","3","1") = "8"
    & skf18("8","1","4","9","9","4","1") = "8"
    & skf18("8","1","4","9","9","5","1") = "8"
    & skf18("8","1","4","9","9","6","1") = "8"
    & skf18("8","1","4","9","9","7","1") = "8"
    & skf18("8","1","4","9","9","8","1") = "8"
    & skf18("8","1","4","9","9","9","1") = "8"
    & skf18("8","1","4","9","9","10","1") = "9"
    & skf18("8","1","4","9","10","1","1") = "9"
    & skf18("8","1","4","9","10","2","1") = "9"
    & skf18("8","1","4","9","10","3","1") = "9"
    & skf18("8","1","4","9","10","4","1") = "9"
    & skf18("8","1","4","9","10","5","1") = "9"
    & skf18("8","1","4","9","10","6","1") = "9"
    & skf18("8","1","4","9","10","7","1") = "9"
    & skf18("8","1","4","9","10","8","1") = "9"
    & skf18("8","1","4","9","10","9","1") = "9"
    & skf18("8","1","4","9","10","10","1") = "9"
    & skf18("8","1","4","10","1","1","1") = "9"
    & skf18("8","1","4","10","1","2","1") = "9"
    & skf18("8","1","4","10","1","3","1") = "9"
    & skf18("8","1","4","10","1","4","1") = "9"
    & skf18("8","1","4","10","1","5","1") = "9"
    & skf18("8","1","4","10","1","6","1") = "9"
    & skf18("8","1","4","10","1","7","1") = "9"
    & skf18("8","1","4","10","1","8","1") = "9"
    & skf18("8","1","4","10","1","9","1") = "9"
    & skf18("8","1","4","10","1","10","1") = "9"
    & skf18("8","1","4","10","2","1","1") = "9"
    & skf18("8","1","4","10","2","2","1") = "9"
    & skf18("8","1","4","10","2","3","1") = "9"
    & skf18("8","1","4","10","2","4","1") = "9"
    & skf18("8","1","4","10","2","5","1") = "9"
    & skf18("8","1","4","10","2","6","1") = "9"
    & skf18("8","1","4","10","2","7","1") = "9"
    & skf18("8","1","4","10","2","8","1") = "9"
    & skf18("8","1","4","10","2","9","1") = "9"
    & skf18("8","1","4","10","2","10","1") = "9"
    & skf18("8","1","4","10","3","1","1") = "9"
    & skf18("8","1","4","10","3","2","1") = "9"
    & skf18("8","1","4","10","3","3","1") = "9"
    & skf18("8","1","4","10","3","4","1") = "9"
    & skf18("8","1","4","10","3","5","1") = "9"
    & skf18("8","1","4","10","3","6","1") = "9"
    & skf18("8","1","4","10","3","7","1") = "9"
    & skf18("8","1","4","10","3","8","1") = "9"
    & skf18("8","1","4","10","3","9","1") = "9"
    & skf18("8","1","4","10","3","10","1") = "9"
    & skf18("8","1","4","10","4","1","1") = "9"
    & skf18("8","1","4","10","4","2","1") = "9"
    & skf18("8","1","4","10","4","3","1") = "9"
    & skf18("8","1","4","10","4","4","1") = "9"
    & skf18("8","1","4","10","4","5","1") = "9"
    & skf18("8","1","4","10","4","6","1") = "9"
    & skf18("8","1","4","10","4","7","1") = "9"
    & skf18("8","1","4","10","4","8","1") = "9"
    & skf18("8","1","4","10","4","9","1") = "9"
    & skf18("8","1","4","10","4","10","1") = "9"
    & skf18("8","1","4","10","5","1","1") = "9"
    & skf18("8","1","4","10","5","2","1") = "9"
    & skf18("8","1","4","10","5","3","1") = "9"
    & skf18("8","1","4","10","5","4","1") = "9"
    & skf18("8","1","4","10","5","5","1") = "9"
    & skf18("8","1","4","10","5","6","1") = "9"
    & skf18("8","1","4","10","5","7","1") = "9"
    & skf18("8","1","4","10","5","8","1") = "9"
    & skf18("8","1","4","10","5","9","1") = "9"
    & skf18("8","1","4","10","5","10","1") = "9"
    & skf18("8","1","4","10","6","1","1") = "9"
    & skf18("8","1","4","10","6","2","1") = "9"
    & skf18("8","1","4","10","6","3","1") = "9"
    & skf18("8","1","4","10","6","4","1") = "9"
    & skf18("8","1","4","10","6","5","1") = "9"
    & skf18("8","1","4","10","6","6","1") = "9"
    & skf18("8","1","4","10","6","7","1") = "9"
    & skf18("8","1","4","10","6","8","1") = "9"
    & skf18("8","1","4","10","6","9","1") = "9"
    & skf18("8","1","4","10","6","10","1") = "9"
    & skf18("8","1","4","10","7","1","1") = "9"
    & skf18("8","1","4","10","7","2","1") = "9"
    & skf18("8","1","4","10","7","3","1") = "9"
    & skf18("8","1","4","10","7","4","1") = "9"
    & skf18("8","1","4","10","7","5","1") = "9"
    & skf18("8","1","4","10","7","6","1") = "9"
    & skf18("8","1","4","10","7","7","1") = "9"
    & skf18("8","1","4","10","7","8","1") = "9"
    & skf18("8","1","4","10","7","9","1") = "9"
    & skf18("8","1","4","10","7","10","1") = "9"
    & skf18("8","1","4","10","8","1","1") = "9"
    & skf18("8","1","4","10","8","2","1") = "9"
    & skf18("8","1","4","10","8","3","1") = "9"
    & skf18("8","1","4","10","8","4","1") = "9"
    & skf18("8","1","4","10","8","5","1") = "9"
    & skf18("8","1","4","10","8","6","1") = "9"
    & skf18("8","1","4","10","8","7","1") = "9"
    & skf18("8","1","4","10","8","8","1") = "9"
    & skf18("8","1","4","10","8","9","1") = "9"
    & skf18("8","1","4","10","8","10","1") = "9"
    & skf18("8","1","4","10","9","1","1") = "9"
    & skf18("8","1","4","10","9","2","1") = "9"
    & skf18("8","1","4","10","9","3","1") = "9"
    & skf18("8","1","4","10","9","4","1") = "9"
    & skf18("8","1","4","10","9","5","1") = "9"
    & skf18("8","1","4","10","9","6","1") = "9"
    & skf18("8","1","4","10","9","7","1") = "9"
    & skf18("8","1","4","10","9","8","1") = "9"
    & skf18("8","1","4","10","9","9","1") = "9"
    & skf18("8","1","4","10","9","10","1") = "9"
    & skf18("8","1","4","10","10","1","1") = "9"
    & skf18("8","1","4","10","10","2","1") = "9"
    & skf18("8","1","4","10","10","3","1") = "9"
    & skf18("8","1","4","10","10","4","1") = "9"
    & skf18("8","1","4","10","10","5","1") = "9"
    & skf18("8","1","4","10","10","6","1") = "9"
    & skf18("8","1","4","10","10","7","1") = "9"
    & skf18("8","1","4","10","10","8","1") = "9"
    & skf18("8","1","4","10","10","9","1") = "9"
    & skf18("8","1","4","10","10","10","1") = "9"
    & skf18("8","1","5","1","1","1","1") = "7"
    & skf18("8","1","5","1","1","2","1") = "7"
    & skf18("8","1","5","1","1","3","1") = "7"
    & skf18("8","1","5","1","1","4","1") = "7"
    & skf18("8","1","5","1","1","5","1") = "7"
    & skf18("8","1","5","1","1","6","1") = "7"
    & skf18("8","1","5","1","1","7","1") = "7"
    & skf18("8","1","5","1","1","8","1") = "7"
    & skf18("8","1","5","1","1","9","1") = "8"
    & skf18("8","1","5","1","1","10","1") = "9"
    & skf18("8","1","5","1","2","1","1") = "7"
    & skf18("8","1","5","1","2","2","1") = "7"
    & skf18("8","1","5","1","2","3","1") = "7"
    & skf18("8","1","5","1","2","4","1") = "7"
    & skf18("8","1","5","1","2","5","1") = "7"
    & skf18("8","1","5","1","2","6","1") = "7"
    & skf18("8","1","5","1","2","7","1") = "7"
    & skf18("8","1","5","1","2","8","1") = "7"
    & skf18("8","1","5","1","2","9","1") = "8"
    & skf18("8","1","5","1","2","10","1") = "9"
    & skf18("8","1","5","1","3","1","1") = "7"
    & skf18("8","1","5","1","3","2","1") = "7"
    & skf18("8","1","5","1","3","3","1") = "7"
    & skf18("8","1","5","1","3","4","1") = "7"
    & skf18("8","1","5","1","3","5","1") = "7"
    & skf18("8","1","5","1","3","6","1") = "7"
    & skf18("8","1","5","1","3","7","1") = "7"
    & skf18("8","1","5","1","3","8","1") = "7"
    & skf18("8","1","5","1","3","9","1") = "8"
    & skf18("8","1","5","1","3","10","1") = "9"
    & skf18("8","1","5","1","4","1","1") = "7"
    & skf18("8","1","5","1","4","2","1") = "7"
    & skf18("8","1","5","1","4","3","1") = "7"
    & skf18("8","1","5","1","4","4","1") = "7"
    & skf18("8","1","5","1","4","5","1") = "7"
    & skf18("8","1","5","1","4","6","1") = "7"
    & skf18("8","1","5","1","4","7","1") = "7"
    & skf18("8","1","5","1","4","8","1") = "7"
    & skf18("8","1","5","1","4","9","1") = "8"
    & skf18("8","1","5","1","4","10","1") = "9"
    & skf18("8","1","5","1","5","1","1") = "7"
    & skf18("8","1","5","1","5","2","1") = "7"
    & skf18("8","1","5","1","5","3","1") = "7"
    & skf18("8","1","5","1","5","4","1") = "7"
    & skf18("8","1","5","1","5","5","1") = "7"
    & skf18("8","1","5","1","5","6","1") = "7"
    & skf18("8","1","5","1","5","7","1") = "7"
    & skf18("8","1","5","1","5","8","1") = "7"
    & skf18("8","1","5","1","5","9","1") = "8"
    & skf18("8","1","5","1","5","10","1") = "9"
    & skf18("8","1","5","1","6","1","1") = "7"
    & skf18("8","1","5","1","6","2","1") = "7"
    & skf18("8","1","5","1","6","3","1") = "7"
    & skf18("8","1","5","1","6","4","1") = "7"
    & skf18("8","1","5","1","6","5","1") = "7"
    & skf18("8","1","5","1","6","6","1") = "7"
    & skf18("8","1","5","1","6","7","1") = "7"
    & skf18("8","1","5","1","6","8","1") = "7"
    & skf18("8","1","5","1","6","9","1") = "8"
    & skf18("8","1","5","1","6","10","1") = "9"
    & skf18("8","1","5","1","7","1","1") = "7"
    & skf18("8","1","5","1","7","2","1") = "7"
    & skf18("8","1","5","1","7","3","1") = "7"
    & skf18("8","1","5","1","7","4","1") = "7"
    & skf18("8","1","5","1","7","5","1") = "7"
    & skf18("8","1","5","1","7","6","1") = "7"
    & skf18("8","1","5","1","7","7","1") = "7"
    & skf18("8","1","5","1","7","8","1") = "7"
    & skf18("8","1","5","1","7","9","1") = "8"
    & skf18("8","1","5","1","7","10","1") = "9"
    & skf18("8","1","5","1","8","1","1") = "7"
    & skf18("8","1","5","1","8","2","1") = "7"
    & skf18("8","1","5","1","8","3","1") = "7"
    & skf18("8","1","5","1","8","4","1") = "7"
    & skf18("8","1","5","1","8","5","1") = "7"
    & skf18("8","1","5","1","8","6","1") = "7"
    & skf18("8","1","5","1","8","7","1") = "7"
    & skf18("8","1","5","1","8","8","1") = "7"
    & skf18("8","1","5","1","8","9","1") = "8"
    & skf18("8","1","5","1","8","10","1") = "9"
    & skf18("8","1","5","1","9","1","1") = "8"
    & skf18("8","1","5","1","9","2","1") = "8"
    & skf18("8","1","5","1","9","3","1") = "8"
    & skf18("8","1","5","1","9","4","1") = "8"
    & skf18("8","1","5","1","9","5","1") = "8"
    & skf18("8","1","5","1","9","6","1") = "8"
    & skf18("8","1","5","1","9","7","1") = "8"
    & skf18("8","1","5","1","9","8","1") = "8"
    & skf18("8","1","5","1","9","9","1") = "8"
    & skf18("8","1","5","1","9","10","1") = "9"
    & skf18("8","1","5","1","10","1","1") = "9"
    & skf18("8","1","5","1","10","2","1") = "9"
    & skf18("8","1","5","1","10","3","1") = "9"
    & skf18("8","1","5","1","10","4","1") = "9"
    & skf18("8","1","5","1","10","5","1") = "9"
    & skf18("8","1","5","1","10","6","1") = "9"
    & skf18("8","1","5","1","10","7","1") = "9"
    & skf18("8","1","5","1","10","8","1") = "9"
    & skf18("8","1","5","1","10","9","1") = "9"
    & skf18("8","1","5","1","10","10","1") = "9"
    & skf18("8","1","5","2","1","1","1") = "7"
    & skf18("8","1","5","2","1","2","1") = "7"
    & skf18("8","1","5","2","1","3","1") = "7"
    & skf18("8","1","5","2","1","4","1") = "7"
    & skf18("8","1","5","2","1","5","1") = "7"
    & skf18("8","1","5","2","1","6","1") = "7"
    & skf18("8","1","5","2","1","7","1") = "7"
    & skf18("8","1","5","2","1","8","1") = "7"
    & skf18("8","1","5","2","1","9","1") = "8"
    & skf18("8","1","5","2","1","10","1") = "9"
    & skf18("8","1","5","2","2","1","1") = "7"
    & skf18("8","1","5","2","2","2","1") = "7"
    & skf18("8","1","5","2","2","3","1") = "7"
    & skf18("8","1","5","2","2","4","1") = "7"
    & skf18("8","1","5","2","2","5","1") = "7"
    & skf18("8","1","5","2","2","6","1") = "7"
    & skf18("8","1","5","2","2","7","1") = "7"
    & skf18("8","1","5","2","2","8","1") = "7"
    & skf18("8","1","5","2","2","9","1") = "8"
    & skf18("8","1","5","2","2","10","1") = "9"
    & skf18("8","1","5","2","3","1","1") = "7"
    & skf18("8","1","5","2","3","2","1") = "7"
    & skf18("8","1","5","2","3","3","1") = "7"
    & skf18("8","1","5","2","3","4","1") = "7"
    & skf18("8","1","5","2","3","5","1") = "7"
    & skf18("8","1","5","2","3","6","1") = "7"
    & skf18("8","1","5","2","3","7","1") = "7"
    & skf18("8","1","5","2","3","8","1") = "7"
    & skf18("8","1","5","2","3","9","1") = "8"
    & skf18("8","1","5","2","3","10","1") = "9"
    & skf18("8","1","5","2","4","1","1") = "7"
    & skf18("8","1","5","2","4","2","1") = "7"
    & skf18("8","1","5","2","4","3","1") = "7"
    & skf18("8","1","5","2","4","4","1") = "7"
    & skf18("8","1","5","2","4","5","1") = "7"
    & skf18("8","1","5","2","4","6","1") = "7"
    & skf18("8","1","5","2","4","7","1") = "7"
    & skf18("8","1","5","2","4","8","1") = "7"
    & skf18("8","1","5","2","4","9","1") = "8"
    & skf18("8","1","5","2","4","10","1") = "9"
    & skf18("8","1","5","2","5","1","1") = "7"
    & skf18("8","1","5","2","5","2","1") = "7"
    & skf18("8","1","5","2","5","3","1") = "7"
    & skf18("8","1","5","2","5","4","1") = "7"
    & skf18("8","1","5","2","5","5","1") = "7"
    & skf18("8","1","5","2","5","6","1") = "7"
    & skf18("8","1","5","2","5","7","1") = "7"
    & skf18("8","1","5","2","5","8","1") = "7"
    & skf18("8","1","5","2","5","9","1") = "8"
    & skf18("8","1","5","2","5","10","1") = "9"
    & skf18("8","1","5","2","6","1","1") = "7"
    & skf18("8","1","5","2","6","2","1") = "7"
    & skf18("8","1","5","2","6","3","1") = "7"
    & skf18("8","1","5","2","6","4","1") = "7"
    & skf18("8","1","5","2","6","5","1") = "7"
    & skf18("8","1","5","2","6","6","1") = "7"
    & skf18("8","1","5","2","6","7","1") = "7"
    & skf18("8","1","5","2","6","8","1") = "7"
    & skf18("8","1","5","2","6","9","1") = "8"
    & skf18("8","1","5","2","6","10","1") = "9"
    & skf18("8","1","5","2","7","1","1") = "7"
    & skf18("8","1","5","2","7","2","1") = "7"
    & skf18("8","1","5","2","7","3","1") = "7"
    & skf18("8","1","5","2","7","4","1") = "7"
    & skf18("8","1","5","2","7","5","1") = "7"
    & skf18("8","1","5","2","7","6","1") = "7"
    & skf18("8","1","5","2","7","7","1") = "7"
    & skf18("8","1","5","2","7","8","1") = "7"
    & skf18("8","1","5","2","7","9","1") = "8"
    & skf18("8","1","5","2","7","10","1") = "9"
    & skf18("8","1","5","2","8","1","1") = "7"
    & skf18("8","1","5","2","8","2","1") = "7"
    & skf18("8","1","5","2","8","3","1") = "7"
    & skf18("8","1","5","2","8","4","1") = "7"
    & skf18("8","1","5","2","8","5","1") = "7"
    & skf18("8","1","5","2","8","6","1") = "7"
    & skf18("8","1","5","2","8","7","1") = "7"
    & skf18("8","1","5","2","8","8","1") = "7"
    & skf18("8","1","5","2","8","9","1") = "8"
    & skf18("8","1","5","2","8","10","1") = "9"
    & skf18("8","1","5","2","9","1","1") = "8"
    & skf18("8","1","5","2","9","2","1") = "8"
    & skf18("8","1","5","2","9","3","1") = "8"
    & skf18("8","1","5","2","9","4","1") = "8"
    & skf18("8","1","5","2","9","5","1") = "8"
    & skf18("8","1","5","2","9","6","1") = "8"
    & skf18("8","1","5","2","9","7","1") = "8"
    & skf18("8","1","5","2","9","8","1") = "8"
    & skf18("8","1","5","2","9","9","1") = "8"
    & skf18("8","1","5","2","9","10","1") = "9"
    & skf18("8","1","5","2","10","1","1") = "9"
    & skf18("8","1","5","2","10","2","1") = "9"
    & skf18("8","1","5","2","10","3","1") = "9"
    & skf18("8","1","5","2","10","4","1") = "9"
    & skf18("8","1","5","2","10","5","1") = "9"
    & skf18("8","1","5","2","10","6","1") = "9"
    & skf18("8","1","5","2","10","7","1") = "9"
    & skf18("8","1","5","2","10","8","1") = "9"
    & skf18("8","1","5","2","10","9","1") = "9"
    & skf18("8","1","5","2","10","10","1") = "9"
    & skf18("8","1","5","3","1","1","1") = "7"
    & skf18("8","1","5","3","1","2","1") = "7"
    & skf18("8","1","5","3","1","3","1") = "7"
    & skf18("8","1","5","3","1","4","1") = "7"
    & skf18("8","1","5","3","1","5","1") = "7"
    & skf18("8","1","5","3","1","6","1") = "7"
    & skf18("8","1","5","3","1","7","1") = "7"
    & skf18("8","1","5","3","1","8","1") = "7"
    & skf18("8","1","5","3","1","9","1") = "8"
    & skf18("8","1","5","3","1","10","1") = "9"
    & skf18("8","1","5","3","2","1","1") = "7"
    & skf18("8","1","5","3","2","2","1") = "7"
    & skf18("8","1","5","3","2","3","1") = "7"
    & skf18("8","1","5","3","2","4","1") = "7"
    & skf18("8","1","5","3","2","5","1") = "7"
    & skf18("8","1","5","3","2","6","1") = "7"
    & skf18("8","1","5","3","2","7","1") = "7"
    & skf18("8","1","5","3","2","8","1") = "7"
    & skf18("8","1","5","3","2","9","1") = "8"
    & skf18("8","1","5","3","2","10","1") = "9"
    & skf18("8","1","5","3","3","1","1") = "7"
    & skf18("8","1","5","3","3","2","1") = "7"
    & skf18("8","1","5","3","3","3","1") = "7"
    & skf18("8","1","5","3","3","4","1") = "7"
    & skf18("8","1","5","3","3","5","1") = "7"
    & skf18("8","1","5","3","3","6","1") = "7"
    & skf18("8","1","5","3","3","7","1") = "7"
    & skf18("8","1","5","3","3","8","1") = "7"
    & skf18("8","1","5","3","3","9","1") = "8"
    & skf18("8","1","5","3","3","10","1") = "9"
    & skf18("8","1","5","3","4","1","1") = "7"
    & skf18("8","1","5","3","4","2","1") = "7"
    & skf18("8","1","5","3","4","3","1") = "7"
    & skf18("8","1","5","3","4","4","1") = "7"
    & skf18("8","1","5","3","4","5","1") = "7"
    & skf18("8","1","5","3","4","6","1") = "7"
    & skf18("8","1","5","3","4","7","1") = "7"
    & skf18("8","1","5","3","4","8","1") = "7"
    & skf18("8","1","5","3","4","9","1") = "8"
    & skf18("8","1","5","3","4","10","1") = "9"
    & skf18("8","1","5","3","5","1","1") = "7"
    & skf18("8","1","5","3","5","2","1") = "7"
    & skf18("8","1","5","3","5","3","1") = "7"
    & skf18("8","1","5","3","5","4","1") = "7"
    & skf18("8","1","5","3","5","5","1") = "7"
    & skf18("8","1","5","3","5","6","1") = "7"
    & skf18("8","1","5","3","5","7","1") = "7"
    & skf18("8","1","5","3","5","8","1") = "7"
    & skf18("8","1","5","3","5","9","1") = "8"
    & skf18("8","1","5","3","5","10","1") = "9"
    & skf18("8","1","5","3","6","1","1") = "7"
    & skf18("8","1","5","3","6","2","1") = "7"
    & skf18("8","1","5","3","6","3","1") = "7"
    & skf18("8","1","5","3","6","4","1") = "7"
    & skf18("8","1","5","3","6","5","1") = "7"
    & skf18("8","1","5","3","6","6","1") = "7"
    & skf18("8","1","5","3","6","7","1") = "7"
    & skf18("8","1","5","3","6","8","1") = "7"
    & skf18("8","1","5","3","6","9","1") = "8"
    & skf18("8","1","5","3","6","10","1") = "9"
    & skf18("8","1","5","3","7","1","1") = "7"
    & skf18("8","1","5","3","7","2","1") = "7"
    & skf18("8","1","5","3","7","3","1") = "7"
    & skf18("8","1","5","3","7","4","1") = "7"
    & skf18("8","1","5","3","7","5","1") = "7"
    & skf18("8","1","5","3","7","6","1") = "7"
    & skf18("8","1","5","3","7","7","1") = "7"
    & skf18("8","1","5","3","7","8","1") = "7"
    & skf18("8","1","5","3","7","9","1") = "8"
    & skf18("8","1","5","3","7","10","1") = "9"
    & skf18("8","1","5","3","8","1","1") = "7"
    & skf18("8","1","5","3","8","2","1") = "7"
    & skf18("8","1","5","3","8","3","1") = "7"
    & skf18("8","1","5","3","8","4","1") = "7"
    & skf18("8","1","5","3","8","5","1") = "7"
    & skf18("8","1","5","3","8","6","1") = "7"
    & skf18("8","1","5","3","8","7","1") = "7"
    & skf18("8","1","5","3","8","8","1") = "7"
    & skf18("8","1","5","3","8","9","1") = "8"
    & skf18("8","1","5","3","8","10","1") = "9"
    & skf18("8","1","5","3","9","1","1") = "8"
    & skf18("8","1","5","3","9","2","1") = "8"
    & skf18("8","1","5","3","9","3","1") = "8"
    & skf18("8","1","5","3","9","4","1") = "8"
    & skf18("8","1","5","3","9","5","1") = "8"
    & skf18("8","1","5","3","9","6","1") = "8"
    & skf18("8","1","5","3","9","7","1") = "8"
    & skf18("8","1","5","3","9","8","1") = "8"
    & skf18("8","1","5","3","9","9","1") = "8"
    & skf18("8","1","5","3","9","10","1") = "9"
    & skf18("8","1","5","3","10","1","1") = "9"
    & skf18("8","1","5","3","10","2","1") = "9"
    & skf18("8","1","5","3","10","3","1") = "9"
    & skf18("8","1","5","3","10","4","1") = "9"
    & skf18("8","1","5","3","10","5","1") = "9"
    & skf18("8","1","5","3","10","6","1") = "9"
    & skf18("8","1","5","3","10","7","1") = "9"
    & skf18("8","1","5","3","10","8","1") = "9"
    & skf18("8","1","5","3","10","9","1") = "9"
    & skf18("8","1","5","3","10","10","1") = "9"
    & skf18("8","1","5","4","1","1","1") = "7"
    & skf18("8","1","5","4","1","2","1") = "7"
    & skf18("8","1","5","4","1","3","1") = "7"
    & skf18("8","1","5","4","1","4","1") = "7"
    & skf18("8","1","5","4","1","5","1") = "7"
    & skf18("8","1","5","4","1","6","1") = "7"
    & skf18("8","1","5","4","1","7","1") = "7"
    & skf18("8","1","5","4","1","8","1") = "7"
    & skf18("8","1","5","4","1","9","1") = "8"
    & skf18("8","1","5","4","1","10","1") = "9"
    & skf18("8","1","5","4","2","1","1") = "7"
    & skf18("8","1","5","4","2","2","1") = "7"
    & skf18("8","1","5","4","2","3","1") = "7"
    & skf18("8","1","5","4","2","4","1") = "7"
    & skf18("8","1","5","4","2","5","1") = "7"
    & skf18("8","1","5","4","2","6","1") = "7"
    & skf18("8","1","5","4","2","7","1") = "7"
    & skf18("8","1","5","4","2","8","1") = "7"
    & skf18("8","1","5","4","2","9","1") = "8"
    & skf18("8","1","5","4","2","10","1") = "9"
    & skf18("8","1","5","4","3","1","1") = "7"
    & skf18("8","1","5","4","3","2","1") = "7"
    & skf18("8","1","5","4","3","3","1") = "7"
    & skf18("8","1","5","4","3","4","1") = "7"
    & skf18("8","1","5","4","3","5","1") = "7"
    & skf18("8","1","5","4","3","6","1") = "7"
    & skf18("8","1","5","4","3","7","1") = "7"
    & skf18("8","1","5","4","3","8","1") = "7"
    & skf18("8","1","5","4","3","9","1") = "8"
    & skf18("8","1","5","4","3","10","1") = "9"
    & skf18("8","1","5","4","4","1","1") = "7"
    & skf18("8","1","5","4","4","2","1") = "7"
    & skf18("8","1","5","4","4","3","1") = "7"
    & skf18("8","1","5","4","4","4","1") = "7"
    & skf18("8","1","5","4","4","5","1") = "7"
    & skf18("8","1","5","4","4","6","1") = "7"
    & skf18("8","1","5","4","4","7","1") = "7"
    & skf18("8","1","5","4","4","8","1") = "7"
    & skf18("8","1","5","4","4","9","1") = "8"
    & skf18("8","1","5","4","4","10","1") = "9"
    & skf18("8","1","5","4","5","1","1") = "7"
    & skf18("8","1","5","4","5","2","1") = "7"
    & skf18("8","1","5","4","5","3","1") = "7"
    & skf18("8","1","5","4","5","4","1") = "7"
    & skf18("8","1","5","4","5","5","1") = "7"
    & skf18("8","1","5","4","5","6","1") = "7"
    & skf18("8","1","5","4","5","7","1") = "7"
    & skf18("8","1","5","4","5","8","1") = "7"
    & skf18("8","1","5","4","5","9","1") = "8"
    & skf18("8","1","5","4","5","10","1") = "9"
    & skf18("8","1","5","4","6","1","1") = "7"
    & skf18("8","1","5","4","6","2","1") = "7"
    & skf18("8","1","5","4","6","3","1") = "7"
    & skf18("8","1","5","4","6","4","1") = "7"
    & skf18("8","1","5","4","6","5","1") = "7"
    & skf18("8","1","5","4","6","6","1") = "7"
    & skf18("8","1","5","4","6","7","1") = "7"
    & skf18("8","1","5","4","6","8","1") = "7"
    & skf18("8","1","5","4","6","9","1") = "8"
    & skf18("8","1","5","4","6","10","1") = "9"
    & skf18("8","1","5","4","7","1","1") = "7"
    & skf18("8","1","5","4","7","2","1") = "7"
    & skf18("8","1","5","4","7","3","1") = "7"
    & skf18("8","1","5","4","7","4","1") = "7"
    & skf18("8","1","5","4","7","5","1") = "7"
    & skf18("8","1","5","4","7","6","1") = "7"
    & skf18("8","1","5","4","7","7","1") = "7"
    & skf18("8","1","5","4","7","8","1") = "7"
    & skf18("8","1","5","4","7","9","1") = "8"
    & skf18("8","1","5","4","7","10","1") = "9"
    & skf18("8","1","5","4","8","1","1") = "7"
    & skf18("8","1","5","4","8","2","1") = "7"
    & skf18("8","1","5","4","8","3","1") = "7"
    & skf18("8","1","5","4","8","4","1") = "7"
    & skf18("8","1","5","4","8","5","1") = "7"
    & skf18("8","1","5","4","8","6","1") = "7"
    & skf18("8","1","5","4","8","7","1") = "7"
    & skf18("8","1","5","4","8","8","1") = "7"
    & skf18("8","1","5","4","8","9","1") = "8"
    & skf18("8","1","5","4","8","10","1") = "9"
    & skf18("8","1","5","4","9","1","1") = "8"
    & skf18("8","1","5","4","9","2","1") = "8"
    & skf18("8","1","5","4","9","3","1") = "8"
    & skf18("8","1","5","4","9","4","1") = "8"
    & skf18("8","1","5","4","9","5","1") = "8"
    & skf18("8","1","5","4","9","6","1") = "8"
    & skf18("8","1","5","4","9","7","1") = "8"
    & skf18("8","1","5","4","9","8","1") = "8"
    & skf18("8","1","5","4","9","9","1") = "8"
    & skf18("8","1","5","4","9","10","1") = "9"
    & skf18("8","1","5","4","10","1","1") = "9"
    & skf18("8","1","5","4","10","2","1") = "9"
    & skf18("8","1","5","4","10","3","1") = "9"
    & skf18("8","1","5","4","10","4","1") = "9"
    & skf18("8","1","5","4","10","5","1") = "9"
    & skf18("8","1","5","4","10","6","1") = "9"
    & skf18("8","1","5","4","10","7","1") = "9"
    & skf18("8","1","5","4","10","8","1") = "9"
    & skf18("8","1","5","4","10","9","1") = "9"
    & skf18("8","1","5","4","10","10","1") = "9"
    & skf18("8","1","5","5","1","1","1") = "7"
    & skf18("8","1","5","5","1","2","1") = "7"
    & skf18("8","1","5","5","1","3","1") = "7"
    & skf18("8","1","5","5","1","4","1") = "7"
    & skf18("8","1","5","5","1","5","1") = "7"
    & skf18("8","1","5","5","1","6","1") = "7"
    & skf18("8","1","5","5","1","7","1") = "7"
    & skf18("8","1","5","5","1","8","1") = "7"
    & skf18("8","1","5","5","1","9","1") = "8"
    & skf18("8","1","5","5","1","10","1") = "9"
    & skf18("8","1","5","5","2","1","1") = "7"
    & skf18("8","1","5","5","2","2","1") = "7"
    & skf18("8","1","5","5","2","3","1") = "7"
    & skf18("8","1","5","5","2","4","1") = "7"
    & skf18("8","1","5","5","2","5","1") = "7"
    & skf18("8","1","5","5","2","6","1") = "7"
    & skf18("8","1","5","5","2","7","1") = "7"
    & skf18("8","1","5","5","2","8","1") = "7"
    & skf18("8","1","5","5","2","9","1") = "8"
    & skf18("8","1","5","5","2","10","1") = "9"
    & skf18("8","1","5","5","3","1","1") = "7"
    & skf18("8","1","5","5","3","2","1") = "7"
    & skf18("8","1","5","5","3","3","1") = "7"
    & skf18("8","1","5","5","3","4","1") = "7"
    & skf18("8","1","5","5","3","5","1") = "7"
    & skf18("8","1","5","5","3","6","1") = "7"
    & skf18("8","1","5","5","3","7","1") = "7"
    & skf18("8","1","5","5","3","8","1") = "7"
    & skf18("8","1","5","5","3","9","1") = "8"
    & skf18("8","1","5","5","3","10","1") = "9"
    & skf18("8","1","5","5","4","1","1") = "7"
    & skf18("8","1","5","5","4","2","1") = "7"
    & skf18("8","1","5","5","4","3","1") = "7"
    & skf18("8","1","5","5","4","4","1") = "7"
    & skf18("8","1","5","5","4","5","1") = "7"
    & skf18("8","1","5","5","4","6","1") = "7"
    & skf18("8","1","5","5","4","7","1") = "7"
    & skf18("8","1","5","5","4","8","1") = "7"
    & skf18("8","1","5","5","4","9","1") = "8"
    & skf18("8","1","5","5","4","10","1") = "9"
    & skf18("8","1","5","5","5","1","1") = "7"
    & skf18("8","1","5","5","5","2","1") = "7"
    & skf18("8","1","5","5","5","3","1") = "7"
    & skf18("8","1","5","5","5","4","1") = "7"
    & skf18("8","1","5","5","5","5","1") = "7"
    & skf18("8","1","5","5","5","6","1") = "7"
    & skf18("8","1","5","5","5","7","1") = "7"
    & skf18("8","1","5","5","5","8","1") = "7"
    & skf18("8","1","5","5","5","9","1") = "8"
    & skf18("8","1","5","5","5","10","1") = "9"
    & skf18("8","1","5","5","6","1","1") = "7"
    & skf18("8","1","5","5","6","2","1") = "7"
    & skf18("8","1","5","5","6","3","1") = "7"
    & skf18("8","1","5","5","6","4","1") = "7"
    & skf18("8","1","5","5","6","5","1") = "7"
    & skf18("8","1","5","5","6","6","1") = "7"
    & skf18("8","1","5","5","6","7","1") = "7"
    & skf18("8","1","5","5","6","8","1") = "7"
    & skf18("8","1","5","5","6","9","1") = "8"
    & skf18("8","1","5","5","6","10","1") = "9"
    & skf18("8","1","5","5","7","1","1") = "7"
    & skf18("8","1","5","5","7","2","1") = "7"
    & skf18("8","1","5","5","7","3","1") = "7"
    & skf18("8","1","5","5","7","4","1") = "7"
    & skf18("8","1","5","5","7","5","1") = "7"
    & skf18("8","1","5","5","7","6","1") = "7"
    & skf18("8","1","5","5","7","7","1") = "7"
    & skf18("8","1","5","5","7","8","1") = "7"
    & skf18("8","1","5","5","7","9","1") = "8"
    & skf18("8","1","5","5","7","10","1") = "9"
    & skf18("8","1","5","5","8","1","1") = "7"
    & skf18("8","1","5","5","8","2","1") = "7"
    & skf18("8","1","5","5","8","3","1") = "7"
    & skf18("8","1","5","5","8","4","1") = "7"
    & skf18("8","1","5","5","8","5","1") = "7"
    & skf18("8","1","5","5","8","6","1") = "7"
    & skf18("8","1","5","5","8","7","1") = "7"
    & skf18("8","1","5","5","8","8","1") = "7"
    & skf18("8","1","5","5","8","9","1") = "8"
    & skf18("8","1","5","5","8","10","1") = "9"
    & skf18("8","1","5","5","9","1","1") = "8"
    & skf18("8","1","5","5","9","2","1") = "8"
    & skf18("8","1","5","5","9","3","1") = "8"
    & skf18("8","1","5","5","9","4","1") = "8"
    & skf18("8","1","5","5","9","5","1") = "8"
    & skf18("8","1","5","5","9","6","1") = "8"
    & skf18("8","1","5","5","9","7","1") = "8"
    & skf18("8","1","5","5","9","8","1") = "8"
    & skf18("8","1","5","5","9","9","1") = "8"
    & skf18("8","1","5","5","9","10","1") = "9"
    & skf18("8","1","5","5","10","1","1") = "9"
    & skf18("8","1","5","5","10","2","1") = "9"
    & skf18("8","1","5","5","10","3","1") = "9"
    & skf18("8","1","5","5","10","4","1") = "9"
    & skf18("8","1","5","5","10","5","1") = "9"
    & skf18("8","1","5","5","10","6","1") = "9"
    & skf18("8","1","5","5","10","7","1") = "9"
    & skf18("8","1","5","5","10","8","1") = "9"
    & skf18("8","1","5","5","10","9","1") = "9"
    & skf18("8","1","5","5","10","10","1") = "9"
    & skf18("8","1","5","6","1","1","1") = "7"
    & skf18("8","1","5","6","1","2","1") = "7"
    & skf18("8","1","5","6","1","3","1") = "7"
    & skf18("8","1","5","6","1","4","1") = "7"
    & skf18("8","1","5","6","1","5","1") = "7"
    & skf18("8","1","5","6","1","6","1") = "7"
    & skf18("8","1","5","6","1","7","1") = "7"
    & skf18("8","1","5","6","1","8","1") = "7"
    & skf18("8","1","5","6","1","9","1") = "8"
    & skf18("8","1","5","6","1","10","1") = "9"
    & skf18("8","1","5","6","2","1","1") = "7"
    & skf18("8","1","5","6","2","2","1") = "7"
    & skf18("8","1","5","6","2","3","1") = "7"
    & skf18("8","1","5","6","2","4","1") = "7"
    & skf18("8","1","5","6","2","5","1") = "7"
    & skf18("8","1","5","6","2","6","1") = "7"
    & skf18("8","1","5","6","2","7","1") = "7"
    & skf18("8","1","5","6","2","8","1") = "7"
    & skf18("8","1","5","6","2","9","1") = "8"
    & skf18("8","1","5","6","2","10","1") = "9"
    & skf18("8","1","5","6","3","1","1") = "7"
    & skf18("8","1","5","6","3","2","1") = "7"
    & skf18("8","1","5","6","3","3","1") = "7"
    & skf18("8","1","5","6","3","4","1") = "7"
    & skf18("8","1","5","6","3","5","1") = "7"
    & skf18("8","1","5","6","3","6","1") = "7"
    & skf18("8","1","5","6","3","7","1") = "7"
    & skf18("8","1","5","6","3","8","1") = "7"
    & skf18("8","1","5","6","3","9","1") = "8"
    & skf18("8","1","5","6","3","10","1") = "9"
    & skf18("8","1","5","6","4","1","1") = "7"
    & skf18("8","1","5","6","4","2","1") = "7"
    & skf18("8","1","5","6","4","3","1") = "7"
    & skf18("8","1","5","6","4","4","1") = "7"
    & skf18("8","1","5","6","4","5","1") = "7"
    & skf18("8","1","5","6","4","6","1") = "7"
    & skf18("8","1","5","6","4","7","1") = "7"
    & skf18("8","1","5","6","4","8","1") = "7"
    & skf18("8","1","5","6","4","9","1") = "8"
    & skf18("8","1","5","6","4","10","1") = "9"
    & skf18("8","1","5","6","5","1","1") = "7"
    & skf18("8","1","5","6","5","2","1") = "7"
    & skf18("8","1","5","6","5","3","1") = "7"
    & skf18("8","1","5","6","5","4","1") = "7"
    & skf18("8","1","5","6","5","5","1") = "7"
    & skf18("8","1","5","6","5","6","1") = "7"
    & skf18("8","1","5","6","5","7","1") = "7"
    & skf18("8","1","5","6","5","8","1") = "7"
    & skf18("8","1","5","6","5","9","1") = "8"
    & skf18("8","1","5","6","5","10","1") = "9"
    & skf18("8","1","5","6","6","1","1") = "7"
    & skf18("8","1","5","6","6","2","1") = "7"
    & skf18("8","1","5","6","6","3","1") = "7"
    & skf18("8","1","5","6","6","4","1") = "7"
    & skf18("8","1","5","6","6","5","1") = "7"
    & skf18("8","1","5","6","6","6","1") = "7"
    & skf18("8","1","5","6","6","7","1") = "7"
    & skf18("8","1","5","6","6","8","1") = "7"
    & skf18("8","1","5","6","6","9","1") = "8"
    & skf18("8","1","5","6","6","10","1") = "9"
    & skf18("8","1","5","6","7","1","1") = "7"
    & skf18("8","1","5","6","7","2","1") = "7"
    & skf18("8","1","5","6","7","3","1") = "7"
    & skf18("8","1","5","6","7","4","1") = "7"
    & skf18("8","1","5","6","7","5","1") = "7"
    & skf18("8","1","5","6","7","6","1") = "7"
    & skf18("8","1","5","6","7","7","1") = "7"
    & skf18("8","1","5","6","7","8","1") = "7"
    & skf18("8","1","5","6","7","9","1") = "8"
    & skf18("8","1","5","6","7","10","1") = "9"
    & skf18("8","1","5","6","8","1","1") = "7"
    & skf18("8","1","5","6","8","2","1") = "7"
    & skf18("8","1","5","6","8","3","1") = "7"
    & skf18("8","1","5","6","8","4","1") = "7"
    & skf18("8","1","5","6","8","5","1") = "7"
    & skf18("8","1","5","6","8","6","1") = "7"
    & skf18("8","1","5","6","8","7","1") = "7"
    & skf18("8","1","5","6","8","8","1") = "7"
    & skf18("8","1","5","6","8","9","1") = "8"
    & skf18("8","1","5","6","8","10","1") = "9"
    & skf18("8","1","5","6","9","1","1") = "8"
    & skf18("8","1","5","6","9","2","1") = "8"
    & skf18("8","1","5","6","9","3","1") = "8"
    & skf18("8","1","5","6","9","4","1") = "8"
    & skf18("8","1","5","6","9","5","1") = "8"
    & skf18("8","1","5","6","9","6","1") = "8"
    & skf18("8","1","5","6","9","7","1") = "8"
    & skf18("8","1","5","6","9","8","1") = "8"
    & skf18("8","1","5","6","9","9","1") = "8"
    & skf18("8","1","5","6","9","10","1") = "9"
    & skf18("8","1","5","6","10","1","1") = "9"
    & skf18("8","1","5","6","10","2","1") = "9"
    & skf18("8","1","5","6","10","3","1") = "9"
    & skf18("8","1","5","6","10","4","1") = "9"
    & skf18("8","1","5","6","10","5","1") = "9"
    & skf18("8","1","5","6","10","6","1") = "9"
    & skf18("8","1","5","6","10","7","1") = "9"
    & skf18("8","1","5","6","10","8","1") = "9"
    & skf18("8","1","5","6","10","9","1") = "9"
    & skf18("8","1","5","6","10","10","1") = "9"
    & skf18("8","1","5","7","1","1","1") = "7"
    & skf18("8","1","5","7","1","2","1") = "7"
    & skf18("8","1","5","7","1","3","1") = "7"
    & skf18("8","1","5","7","1","4","1") = "7"
    & skf18("8","1","5","7","1","5","1") = "7"
    & skf18("8","1","5","7","1","6","1") = "7"
    & skf18("8","1","5","7","1","7","1") = "7"
    & skf18("8","1","5","7","1","8","1") = "7"
    & skf18("8","1","5","7","1","9","1") = "8"
    & skf18("8","1","5","7","1","10","1") = "9"
    & skf18("8","1","5","7","2","1","1") = "7"
    & skf18("8","1","5","7","2","2","1") = "7"
    & skf18("8","1","5","7","2","3","1") = "7"
    & skf18("8","1","5","7","2","4","1") = "7"
    & skf18("8","1","5","7","2","5","1") = "7"
    & skf18("8","1","5","7","2","6","1") = "7"
    & skf18("8","1","5","7","2","7","1") = "7"
    & skf18("8","1","5","7","2","8","1") = "7"
    & skf18("8","1","5","7","2","9","1") = "8"
    & skf18("8","1","5","7","2","10","1") = "9"
    & skf18("8","1","5","7","3","1","1") = "7"
    & skf18("8","1","5","7","3","2","1") = "7"
    & skf18("8","1","5","7","3","3","1") = "7"
    & skf18("8","1","5","7","3","4","1") = "7"
    & skf18("8","1","5","7","3","5","1") = "7"
    & skf18("8","1","5","7","3","6","1") = "7"
    & skf18("8","1","5","7","3","7","1") = "7"
    & skf18("8","1","5","7","3","8","1") = "7"
    & skf18("8","1","5","7","3","9","1") = "8"
    & skf18("8","1","5","7","3","10","1") = "9"
    & skf18("8","1","5","7","4","1","1") = "7"
    & skf18("8","1","5","7","4","2","1") = "7"
    & skf18("8","1","5","7","4","3","1") = "7"
    & skf18("8","1","5","7","4","4","1") = "7"
    & skf18("8","1","5","7","4","5","1") = "7"
    & skf18("8","1","5","7","4","6","1") = "7"
    & skf18("8","1","5","7","4","7","1") = "7"
    & skf18("8","1","5","7","4","8","1") = "7"
    & skf18("8","1","5","7","4","9","1") = "8"
    & skf18("8","1","5","7","4","10","1") = "9"
    & skf18("8","1","5","7","5","1","1") = "7"
    & skf18("8","1","5","7","5","2","1") = "7"
    & skf18("8","1","5","7","5","3","1") = "7"
    & skf18("8","1","5","7","5","4","1") = "7"
    & skf18("8","1","5","7","5","5","1") = "7"
    & skf18("8","1","5","7","5","6","1") = "7"
    & skf18("8","1","5","7","5","7","1") = "7"
    & skf18("8","1","5","7","5","8","1") = "7"
    & skf18("8","1","5","7","5","9","1") = "8"
    & skf18("8","1","5","7","5","10","1") = "9"
    & skf18("8","1","5","7","6","1","1") = "7"
    & skf18("8","1","5","7","6","2","1") = "7"
    & skf18("8","1","5","7","6","3","1") = "7"
    & skf18("8","1","5","7","6","4","1") = "7"
    & skf18("8","1","5","7","6","5","1") = "7"
    & skf18("8","1","5","7","6","6","1") = "7"
    & skf18("8","1","5","7","6","7","1") = "7"
    & skf18("8","1","5","7","6","8","1") = "7"
    & skf18("8","1","5","7","6","9","1") = "8"
    & skf18("8","1","5","7","6","10","1") = "9"
    & skf18("8","1","5","7","7","1","1") = "7"
    & skf18("8","1","5","7","7","2","1") = "7"
    & skf18("8","1","5","7","7","3","1") = "7"
    & skf18("8","1","5","7","7","4","1") = "7"
    & skf18("8","1","5","7","7","5","1") = "7"
    & skf18("8","1","5","7","7","6","1") = "7"
    & skf18("8","1","5","7","7","7","1") = "7"
    & skf18("8","1","5","7","7","8","1") = "7"
    & skf18("8","1","5","7","7","9","1") = "8"
    & skf18("8","1","5","7","7","10","1") = "9"
    & skf18("8","1","5","7","8","1","1") = "7"
    & skf18("8","1","5","7","8","2","1") = "7"
    & skf18("8","1","5","7","8","3","1") = "7"
    & skf18("8","1","5","7","8","4","1") = "7"
    & skf18("8","1","5","7","8","5","1") = "7"
    & skf18("8","1","5","7","8","6","1") = "7"
    & skf18("8","1","5","7","8","7","1") = "7"
    & skf18("8","1","5","7","8","8","1") = "7"
    & skf18("8","1","5","7","8","9","1") = "8"
    & skf18("8","1","5","7","8","10","1") = "9"
    & skf18("8","1","5","7","9","1","1") = "8"
    & skf18("8","1","5","7","9","2","1") = "8"
    & skf18("8","1","5","7","9","3","1") = "8"
    & skf18("8","1","5","7","9","4","1") = "8"
    & skf18("8","1","5","7","9","5","1") = "8"
    & skf18("8","1","5","7","9","6","1") = "8"
    & skf18("8","1","5","7","9","7","1") = "8"
    & skf18("8","1","5","7","9","8","1") = "8"
    & skf18("8","1","5","7","9","9","1") = "8"
    & skf18("8","1","5","7","9","10","1") = "9"
    & skf18("8","1","5","7","10","1","1") = "9"
    & skf18("8","1","5","7","10","2","1") = "9"
    & skf18("8","1","5","7","10","3","1") = "9"
    & skf18("8","1","5","7","10","4","1") = "9"
    & skf18("8","1","5","7","10","5","1") = "9"
    & skf18("8","1","5","7","10","6","1") = "9"
    & skf18("8","1","5","7","10","7","1") = "9"
    & skf18("8","1","5","7","10","8","1") = "9"
    & skf18("8","1","5","7","10","9","1") = "9"
    & skf18("8","1","5","7","10","10","1") = "9"
    & skf18("8","1","5","8","1","1","1") = "7"
    & skf18("8","1","5","8","1","2","1") = "7"
    & skf18("8","1","5","8","1","3","1") = "7"
    & skf18("8","1","5","8","1","4","1") = "7"
    & skf18("8","1","5","8","1","5","1") = "7"
    & skf18("8","1","5","8","1","6","1") = "7"
    & skf18("8","1","5","8","1","7","1") = "7"
    & skf18("8","1","5","8","1","8","1") = "7"
    & skf18("8","1","5","8","1","9","1") = "8"
    & skf18("8","1","5","8","1","10","1") = "9"
    & skf18("8","1","5","8","2","1","1") = "7"
    & skf18("8","1","5","8","2","2","1") = "7"
    & skf18("8","1","5","8","2","3","1") = "7"
    & skf18("8","1","5","8","2","4","1") = "7"
    & skf18("8","1","5","8","2","5","1") = "7"
    & skf18("8","1","5","8","2","6","1") = "7"
    & skf18("8","1","5","8","2","7","1") = "7"
    & skf18("8","1","5","8","2","8","1") = "7"
    & skf18("8","1","5","8","2","9","1") = "8"
    & skf18("8","1","5","8","2","10","1") = "9"
    & skf18("8","1","5","8","3","1","1") = "7"
    & skf18("8","1","5","8","3","2","1") = "7"
    & skf18("8","1","5","8","3","3","1") = "7"
    & skf18("8","1","5","8","3","4","1") = "7"
    & skf18("8","1","5","8","3","5","1") = "7"
    & skf18("8","1","5","8","3","6","1") = "7"
    & skf18("8","1","5","8","3","7","1") = "7"
    & skf18("8","1","5","8","3","8","1") = "7"
    & skf18("8","1","5","8","3","9","1") = "8"
    & skf18("8","1","5","8","3","10","1") = "9"
    & skf18("8","1","5","8","4","1","1") = "7"
    & skf18("8","1","5","8","4","2","1") = "7"
    & skf18("8","1","5","8","4","3","1") = "7"
    & skf18("8","1","5","8","4","4","1") = "7"
    & skf18("8","1","5","8","4","5","1") = "7"
    & skf18("8","1","5","8","4","6","1") = "7"
    & skf18("8","1","5","8","4","7","1") = "7"
    & skf18("8","1","5","8","4","8","1") = "7"
    & skf18("8","1","5","8","4","9","1") = "8"
    & skf18("8","1","5","8","4","10","1") = "9"
    & skf18("8","1","5","8","5","1","1") = "7"
    & skf18("8","1","5","8","5","2","1") = "7"
    & skf18("8","1","5","8","5","3","1") = "7"
    & skf18("8","1","5","8","5","4","1") = "7"
    & skf18("8","1","5","8","5","5","1") = "7"
    & skf18("8","1","5","8","5","6","1") = "7"
    & skf18("8","1","5","8","5","7","1") = "7"
    & skf18("8","1","5","8","5","8","1") = "7"
    & skf18("8","1","5","8","5","9","1") = "8"
    & skf18("8","1","5","8","5","10","1") = "9"
    & skf18("8","1","5","8","6","1","1") = "7"
    & skf18("8","1","5","8","6","2","1") = "7"
    & skf18("8","1","5","8","6","3","1") = "7"
    & skf18("8","1","5","8","6","4","1") = "7"
    & skf18("8","1","5","8","6","5","1") = "7"
    & skf18("8","1","5","8","6","6","1") = "7"
    & skf18("8","1","5","8","6","7","1") = "7"
    & skf18("8","1","5","8","6","8","1") = "7"
    & skf18("8","1","5","8","6","9","1") = "8"
    & skf18("8","1","5","8","6","10","1") = "9"
    & skf18("8","1","5","8","7","1","1") = "7"
    & skf18("8","1","5","8","7","2","1") = "7"
    & skf18("8","1","5","8","7","3","1") = "7"
    & skf18("8","1","5","8","7","4","1") = "7"
    & skf18("8","1","5","8","7","5","1") = "7"
    & skf18("8","1","5","8","7","6","1") = "7"
    & skf18("8","1","5","8","7","7","1") = "7"
    & skf18("8","1","5","8","7","8","1") = "7"
    & skf18("8","1","5","8","7","9","1") = "8"
    & skf18("8","1","5","8","7","10","1") = "9"
    & skf18("8","1","5","8","8","1","1") = "7"
    & skf18("8","1","5","8","8","2","1") = "7"
    & skf18("8","1","5","8","8","3","1") = "7"
    & skf18("8","1","5","8","8","4","1") = "7"
    & skf18("8","1","5","8","8","5","1") = "7"
    & skf18("8","1","5","8","8","6","1") = "7"
    & skf18("8","1","5","8","8","7","1") = "7"
    & skf18("8","1","5","8","8","8","1") = "7"
    & skf18("8","1","5","8","8","9","1") = "8"
    & skf18("8","1","5","8","8","10","1") = "9"
    & skf18("8","1","5","8","9","1","1") = "8"
    & skf18("8","1","5","8","9","2","1") = "8"
    & skf18("8","1","5","8","9","3","1") = "8"
    & skf18("8","1","5","8","9","4","1") = "8"
    & skf18("8","1","5","8","9","5","1") = "8"
    & skf18("8","1","5","8","9","6","1") = "8"
    & skf18("8","1","5","8","9","7","1") = "8"
    & skf18("8","1","5","8","9","8","1") = "8"
    & skf18("8","1","5","8","9","9","1") = "8"
    & skf18("8","1","5","8","9","10","1") = "9"
    & skf18("8","1","5","8","10","1","1") = "9"
    & skf18("8","1","5","8","10","2","1") = "9"
    & skf18("8","1","5","8","10","3","1") = "9"
    & skf18("8","1","5","8","10","4","1") = "9"
    & skf18("8","1","5","8","10","5","1") = "9"
    & skf18("8","1","5","8","10","6","1") = "9"
    & skf18("8","1","5","8","10","7","1") = "9"
    & skf18("8","1","5","8","10","8","1") = "9"
    & skf18("8","1","5","8","10","9","1") = "9"
    & skf18("8","1","5","8","10","10","1") = "9"
    & skf18("8","1","5","9","1","1","1") = "8"
    & skf18("8","1","5","9","1","2","1") = "8"
    & skf18("8","1","5","9","1","3","1") = "8"
    & skf18("8","1","5","9","1","4","1") = "8"
    & skf18("8","1","5","9","1","5","1") = "8"
    & skf18("8","1","5","9","1","6","1") = "8"
    & skf18("8","1","5","9","1","7","1") = "8"
    & skf18("8","1","5","9","1","8","1") = "8"
    & skf18("8","1","5","9","1","9","1") = "8"
    & skf18("8","1","5","9","1","10","1") = "9"
    & skf18("8","1","5","9","2","1","1") = "8"
    & skf18("8","1","5","9","2","2","1") = "8"
    & skf18("8","1","5","9","2","3","1") = "8"
    & skf18("8","1","5","9","2","4","1") = "8"
    & skf18("8","1","5","9","2","5","1") = "8"
    & skf18("8","1","5","9","2","6","1") = "8"
    & skf18("8","1","5","9","2","7","1") = "8"
    & skf18("8","1","5","9","2","8","1") = "8"
    & skf18("8","1","5","9","2","9","1") = "8"
    & skf18("8","1","5","9","2","10","1") = "9"
    & skf18("8","1","5","9","3","1","1") = "8"
    & skf18("8","1","5","9","3","2","1") = "8"
    & skf18("8","1","5","9","3","3","1") = "8"
    & skf18("8","1","5","9","3","4","1") = "8"
    & skf18("8","1","5","9","3","5","1") = "8"
    & skf18("8","1","5","9","3","6","1") = "8"
    & skf18("8","1","5","9","3","7","1") = "8"
    & skf18("8","1","5","9","3","8","1") = "8"
    & skf18("8","1","5","9","3","9","1") = "8"
    & skf18("8","1","5","9","3","10","1") = "9"
    & skf18("8","1","5","9","4","1","1") = "8"
    & skf18("8","1","5","9","4","2","1") = "8"
    & skf18("8","1","5","9","4","3","1") = "8"
    & skf18("8","1","5","9","4","4","1") = "8"
    & skf18("8","1","5","9","4","5","1") = "8"
    & skf18("8","1","5","9","4","6","1") = "8"
    & skf18("8","1","5","9","4","7","1") = "8"
    & skf18("8","1","5","9","4","8","1") = "8"
    & skf18("8","1","5","9","4","9","1") = "8"
    & skf18("8","1","5","9","4","10","1") = "9"
    & skf18("8","1","5","9","5","1","1") = "8"
    & skf18("8","1","5","9","5","2","1") = "8"
    & skf18("8","1","5","9","5","3","1") = "8"
    & skf18("8","1","5","9","5","4","1") = "8"
    & skf18("8","1","5","9","5","5","1") = "8"
    & skf18("8","1","5","9","5","6","1") = "8"
    & skf18("8","1","5","9","5","7","1") = "8"
    & skf18("8","1","5","9","5","8","1") = "8"
    & skf18("8","1","5","9","5","9","1") = "8"
    & skf18("8","1","5","9","5","10","1") = "9"
    & skf18("8","1","5","9","6","1","1") = "8"
    & skf18("8","1","5","9","6","2","1") = "8"
    & skf18("8","1","5","9","6","3","1") = "8"
    & skf18("8","1","5","9","6","4","1") = "8"
    & skf18("8","1","5","9","6","5","1") = "8"
    & skf18("8","1","5","9","6","6","1") = "8"
    & skf18("8","1","5","9","6","7","1") = "8"
    & skf18("8","1","5","9","6","8","1") = "8"
    & skf18("8","1","5","9","6","9","1") = "8"
    & skf18("8","1","5","9","6","10","1") = "9"
    & skf18("8","1","5","9","7","1","1") = "8"
    & skf18("8","1","5","9","7","2","1") = "8"
    & skf18("8","1","5","9","7","3","1") = "8"
    & skf18("8","1","5","9","7","4","1") = "8"
    & skf18("8","1","5","9","7","5","1") = "8"
    & skf18("8","1","5","9","7","6","1") = "8"
    & skf18("8","1","5","9","7","7","1") = "8"
    & skf18("8","1","5","9","7","8","1") = "8"
    & skf18("8","1","5","9","7","9","1") = "8"
    & skf18("8","1","5","9","7","10","1") = "9"
    & skf18("8","1","5","9","8","1","1") = "8"
    & skf18("8","1","5","9","8","2","1") = "8"
    & skf18("8","1","5","9","8","3","1") = "8"
    & skf18("8","1","5","9","8","4","1") = "8"
    & skf18("8","1","5","9","8","5","1") = "8"
    & skf18("8","1","5","9","8","6","1") = "8"
    & skf18("8","1","5","9","8","7","1") = "8"
    & skf18("8","1","5","9","8","8","1") = "8"
    & skf18("8","1","5","9","8","9","1") = "8"
    & skf18("8","1","5","9","8","10","1") = "9"
    & skf18("8","1","5","9","9","1","1") = "8"
    & skf18("8","1","5","9","9","2","1") = "8"
    & skf18("8","1","5","9","9","3","1") = "8"
    & skf18("8","1","5","9","9","4","1") = "8"
    & skf18("8","1","5","9","9","5","1") = "8"
    & skf18("8","1","5","9","9","6","1") = "8"
    & skf18("8","1","5","9","9","7","1") = "8"
    & skf18("8","1","5","9","9","8","1") = "8"
    & skf18("8","1","5","9","9","9","1") = "8"
    & skf18("8","1","5","9","9","10","1") = "9"
    & skf18("8","1","5","9","10","1","1") = "9"
    & skf18("8","1","5","9","10","2","1") = "9"
    & skf18("8","1","5","9","10","3","1") = "9"
    & skf18("8","1","5","9","10","4","1") = "9"
    & skf18("8","1","5","9","10","5","1") = "9"
    & skf18("8","1","5","9","10","6","1") = "9"
    & skf18("8","1","5","9","10","7","1") = "9"
    & skf18("8","1","5","9","10","8","1") = "9"
    & skf18("8","1","5","9","10","9","1") = "9"
    & skf18("8","1","5","9","10","10","1") = "9"
    & skf18("8","1","5","10","1","1","1") = "9"
    & skf18("8","1","5","10","1","2","1") = "9"
    & skf18("8","1","5","10","1","3","1") = "9"
    & skf18("8","1","5","10","1","4","1") = "9"
    & skf18("8","1","5","10","1","5","1") = "9"
    & skf18("8","1","5","10","1","6","1") = "9"
    & skf18("8","1","5","10","1","7","1") = "9"
    & skf18("8","1","5","10","1","8","1") = "9"
    & skf18("8","1","5","10","1","9","1") = "9"
    & skf18("8","1","5","10","1","10","1") = "9"
    & skf18("8","1","5","10","2","1","1") = "9"
    & skf18("8","1","5","10","2","2","1") = "9"
    & skf18("8","1","5","10","2","3","1") = "9"
    & skf18("8","1","5","10","2","4","1") = "9"
    & skf18("8","1","5","10","2","5","1") = "9"
    & skf18("8","1","5","10","2","6","1") = "9"
    & skf18("8","1","5","10","2","7","1") = "9"
    & skf18("8","1","5","10","2","8","1") = "9"
    & skf18("8","1","5","10","2","9","1") = "9"
    & skf18("8","1","5","10","2","10","1") = "9"
    & skf18("8","1","5","10","3","1","1") = "9"
    & skf18("8","1","5","10","3","2","1") = "9"
    & skf18("8","1","5","10","3","3","1") = "9"
    & skf18("8","1","5","10","3","4","1") = "9"
    & skf18("8","1","5","10","3","5","1") = "9"
    & skf18("8","1","5","10","3","6","1") = "9"
    & skf18("8","1","5","10","3","7","1") = "9"
    & skf18("8","1","5","10","3","8","1") = "9"
    & skf18("8","1","5","10","3","9","1") = "9"
    & skf18("8","1","5","10","3","10","1") = "9"
    & skf18("8","1","5","10","4","1","1") = "9"
    & skf18("8","1","5","10","4","2","1") = "9"
    & skf18("8","1","5","10","4","3","1") = "9"
    & skf18("8","1","5","10","4","4","1") = "9"
    & skf18("8","1","5","10","4","5","1") = "9"
    & skf18("8","1","5","10","4","6","1") = "9"
    & skf18("8","1","5","10","4","7","1") = "9"
    & skf18("8","1","5","10","4","8","1") = "9"
    & skf18("8","1","5","10","4","9","1") = "9"
    & skf18("8","1","5","10","4","10","1") = "9"
    & skf18("8","1","5","10","5","1","1") = "9"
    & skf18("8","1","5","10","5","2","1") = "9"
    & skf18("8","1","5","10","5","3","1") = "9"
    & skf18("8","1","5","10","5","4","1") = "9"
    & skf18("8","1","5","10","5","5","1") = "9"
    & skf18("8","1","5","10","5","6","1") = "9"
    & skf18("8","1","5","10","5","7","1") = "9"
    & skf18("8","1","5","10","5","8","1") = "9"
    & skf18("8","1","5","10","5","9","1") = "9"
    & skf18("8","1","5","10","5","10","1") = "9"
    & skf18("8","1","5","10","6","1","1") = "9"
    & skf18("8","1","5","10","6","2","1") = "9"
    & skf18("8","1","5","10","6","3","1") = "9"
    & skf18("8","1","5","10","6","4","1") = "9"
    & skf18("8","1","5","10","6","5","1") = "9"
    & skf18("8","1","5","10","6","6","1") = "9"
    & skf18("8","1","5","10","6","7","1") = "9"
    & skf18("8","1","5","10","6","8","1") = "9"
    & skf18("8","1","5","10","6","9","1") = "9"
    & skf18("8","1","5","10","6","10","1") = "9"
    & skf18("8","1","5","10","7","1","1") = "9"
    & skf18("8","1","5","10","7","2","1") = "9"
    & skf18("8","1","5","10","7","3","1") = "9"
    & skf18("8","1","5","10","7","4","1") = "9"
    & skf18("8","1","5","10","7","5","1") = "9"
    & skf18("8","1","5","10","7","6","1") = "9"
    & skf18("8","1","5","10","7","7","1") = "9"
    & skf18("8","1","5","10","7","8","1") = "9"
    & skf18("8","1","5","10","7","9","1") = "9"
    & skf18("8","1","5","10","7","10","1") = "9"
    & skf18("8","1","5","10","8","1","1") = "9"
    & skf18("8","1","5","10","8","2","1") = "9"
    & skf18("8","1","5","10","8","3","1") = "9"
    & skf18("8","1","5","10","8","4","1") = "9"
    & skf18("8","1","5","10","8","5","1") = "9"
    & skf18("8","1","5","10","8","6","1") = "9"
    & skf18("8","1","5","10","8","7","1") = "9"
    & skf18("8","1","5","10","8","8","1") = "9"
    & skf18("8","1","5","10","8","9","1") = "9"
    & skf18("8","1","5","10","8","10","1") = "9"
    & skf18("8","1","5","10","9","1","1") = "9"
    & skf18("8","1","5","10","9","2","1") = "9"
    & skf18("8","1","5","10","9","3","1") = "9"
    & skf18("8","1","5","10","9","4","1") = "9"
    & skf18("8","1","5","10","9","5","1") = "9"
    & skf18("8","1","5","10","9","6","1") = "9"
    & skf18("8","1","5","10","9","7","1") = "9"
    & skf18("8","1","5","10","9","8","1") = "9"
    & skf18("8","1","5","10","9","9","1") = "9"
    & skf18("8","1","5","10","9","10","1") = "9"
    & skf18("8","1","5","10","10","1","1") = "9"
    & skf18("8","1","5","10","10","2","1") = "9"
    & skf18("8","1","5","10","10","3","1") = "9"
    & skf18("8","1","5","10","10","4","1") = "9"
    & skf18("8","1","5","10","10","5","1") = "9"
    & skf18("8","1","5","10","10","6","1") = "9"
    & skf18("8","1","5","10","10","7","1") = "9"
    & skf18("8","1","5","10","10","8","1") = "9"
    & skf18("8","1","5","10","10","9","1") = "9"
    & skf18("8","1","5","10","10","10","1") = "9"
    & skf18("8","1","6","1","1","1","1") = "7"
    & skf18("8","1","6","1","1","2","1") = "7"
    & skf18("8","1","6","1","1","3","1") = "7"
    & skf18("8","1","6","1","1","4","1") = "7"
    & skf18("8","1","6","1","1","5","1") = "7"
    & skf18("8","1","6","1","1","6","1") = "7"
    & skf18("8","1","6","1","1","7","1") = "7"
    & skf18("8","1","6","1","1","8","1") = "7"
    & skf18("8","1","6","1","1","9","1") = "8"
    & skf18("8","1","6","1","1","10","1") = "9"
    & skf18("8","1","6","1","2","1","1") = "7"
    & skf18("8","1","6","1","2","2","1") = "7"
    & skf18("8","1","6","1","2","3","1") = "7"
    & skf18("8","1","6","1","2","4","1") = "7"
    & skf18("8","1","6","1","2","5","1") = "7"
    & skf18("8","1","6","1","2","6","1") = "7"
    & skf18("8","1","6","1","2","7","1") = "7"
    & skf18("8","1","6","1","2","8","1") = "7"
    & skf18("8","1","6","1","2","9","1") = "8"
    & skf18("8","1","6","1","2","10","1") = "9"
    & skf18("8","1","6","1","3","1","1") = "7"
    & skf18("8","1","6","1","3","2","1") = "7"
    & skf18("8","1","6","1","3","3","1") = "7"
    & skf18("8","1","6","1","3","4","1") = "7"
    & skf18("8","1","6","1","3","5","1") = "7"
    & skf18("8","1","6","1","3","6","1") = "7"
    & skf18("8","1","6","1","3","7","1") = "7"
    & skf18("8","1","6","1","3","8","1") = "7"
    & skf18("8","1","6","1","3","9","1") = "8"
    & skf18("8","1","6","1","3","10","1") = "9"
    & skf18("8","1","6","1","4","1","1") = "7"
    & skf18("8","1","6","1","4","2","1") = "7"
    & skf18("8","1","6","1","4","3","1") = "7"
    & skf18("8","1","6","1","4","4","1") = "7"
    & skf18("8","1","6","1","4","5","1") = "7"
    & skf18("8","1","6","1","4","6","1") = "7"
    & skf18("8","1","6","1","4","7","1") = "7"
    & skf18("8","1","6","1","4","8","1") = "7"
    & skf18("8","1","6","1","4","9","1") = "8"
    & skf18("8","1","6","1","4","10","1") = "9"
    & skf18("8","1","6","1","5","1","1") = "7"
    & skf18("8","1","6","1","5","2","1") = "7"
    & skf18("8","1","6","1","5","3","1") = "7"
    & skf18("8","1","6","1","5","4","1") = "7"
    & skf18("8","1","6","1","5","5","1") = "7"
    & skf18("8","1","6","1","5","6","1") = "7"
    & skf18("8","1","6","1","5","7","1") = "7"
    & skf18("8","1","6","1","5","8","1") = "7"
    & skf18("8","1","6","1","5","9","1") = "8"
    & skf18("8","1","6","1","5","10","1") = "9"
    & skf18("8","1","6","1","6","1","1") = "7"
    & skf18("8","1","6","1","6","2","1") = "7"
    & skf18("8","1","6","1","6","3","1") = "7"
    & skf18("8","1","6","1","6","4","1") = "7"
    & skf18("8","1","6","1","6","5","1") = "7"
    & skf18("8","1","6","1","6","6","1") = "7"
    & skf18("8","1","6","1","6","7","1") = "7"
    & skf18("8","1","6","1","6","8","1") = "7"
    & skf18("8","1","6","1","6","9","1") = "8"
    & skf18("8","1","6","1","6","10","1") = "9"
    & skf18("8","1","6","1","7","1","1") = "7"
    & skf18("8","1","6","1","7","2","1") = "7"
    & skf18("8","1","6","1","7","3","1") = "7"
    & skf18("8","1","6","1","7","4","1") = "7"
    & skf18("8","1","6","1","7","5","1") = "7"
    & skf18("8","1","6","1","7","6","1") = "7"
    & skf18("8","1","6","1","7","7","1") = "7"
    & skf18("8","1","6","1","7","8","1") = "7"
    & skf18("8","1","6","1","7","9","1") = "8"
    & skf18("8","1","6","1","7","10","1") = "9"
    & skf18("8","1","6","1","8","1","1") = "7"
    & skf18("8","1","6","1","8","2","1") = "7"
    & skf18("8","1","6","1","8","3","1") = "7"
    & skf18("8","1","6","1","8","4","1") = "7"
    & skf18("8","1","6","1","8","5","1") = "7"
    & skf18("8","1","6","1","8","6","1") = "7"
    & skf18("8","1","6","1","8","7","1") = "7"
    & skf18("8","1","6","1","8","8","1") = "7"
    & skf18("8","1","6","1","8","9","1") = "8"
    & skf18("8","1","6","1","8","10","1") = "9"
    & skf18("8","1","6","1","9","1","1") = "8"
    & skf18("8","1","6","1","9","2","1") = "8"
    & skf18("8","1","6","1","9","3","1") = "8"
    & skf18("8","1","6","1","9","4","1") = "8"
    & skf18("8","1","6","1","9","5","1") = "8"
    & skf18("8","1","6","1","9","6","1") = "8"
    & skf18("8","1","6","1","9","7","1") = "8"
    & skf18("8","1","6","1","9","8","1") = "8"
    & skf18("8","1","6","1","9","9","1") = "8"
    & skf18("8","1","6","1","9","10","1") = "9"
    & skf18("8","1","6","1","10","1","1") = "9"
    & skf18("8","1","6","1","10","2","1") = "9"
    & skf18("8","1","6","1","10","3","1") = "9"
    & skf18("8","1","6","1","10","4","1") = "9"
    & skf18("8","1","6","1","10","5","1") = "9"
    & skf18("8","1","6","1","10","6","1") = "9"
    & skf18("8","1","6","1","10","7","1") = "9"
    & skf18("8","1","6","1","10","8","1") = "9"
    & skf18("8","1","6","1","10","9","1") = "9"
    & skf18("8","1","6","1","10","10","1") = "9"
    & skf18("8","1","6","2","1","1","1") = "7"
    & skf18("8","1","6","2","1","2","1") = "7"
    & skf18("8","1","6","2","1","3","1") = "7"
    & skf18("8","1","6","2","1","4","1") = "7"
    & skf18("8","1","6","2","1","5","1") = "7"
    & skf18("8","1","6","2","1","6","1") = "7"
    & skf18("8","1","6","2","1","7","1") = "7"
    & skf18("8","1","6","2","1","8","1") = "7"
    & skf18("8","1","6","2","1","9","1") = "8"
    & skf18("8","1","6","2","1","10","1") = "9"
    & skf18("8","1","6","2","2","1","1") = "7"
    & skf18("8","1","6","2","2","2","1") = "7"
    & skf18("8","1","6","2","2","3","1") = "7"
    & skf18("8","1","6","2","2","4","1") = "7"
    & skf18("8","1","6","2","2","5","1") = "7"
    & skf18("8","1","6","2","2","6","1") = "7"
    & skf18("8","1","6","2","2","7","1") = "7"
    & skf18("8","1","6","2","2","8","1") = "7"
    & skf18("8","1","6","2","2","9","1") = "8"
    & skf18("8","1","6","2","2","10","1") = "9"
    & skf18("8","1","6","2","3","1","1") = "7"
    & skf18("8","1","6","2","3","2","1") = "7"
    & skf18("8","1","6","2","3","3","1") = "7"
    & skf18("8","1","6","2","3","4","1") = "7"
    & skf18("8","1","6","2","3","5","1") = "7"
    & skf18("8","1","6","2","3","6","1") = "7"
    & skf18("8","1","6","2","3","7","1") = "7"
    & skf18("8","1","6","2","3","8","1") = "7"
    & skf18("8","1","6","2","3","9","1") = "8"
    & skf18("8","1","6","2","3","10","1") = "9"
    & skf18("8","1","6","2","4","1","1") = "7"
    & skf18("8","1","6","2","4","2","1") = "7"
    & skf18("8","1","6","2","4","3","1") = "7"
    & skf18("8","1","6","2","4","4","1") = "7"
    & skf18("8","1","6","2","4","5","1") = "7"
    & skf18("8","1","6","2","4","6","1") = "7"
    & skf18("8","1","6","2","4","7","1") = "7"
    & skf18("8","1","6","2","4","8","1") = "7"
    & skf18("8","1","6","2","4","9","1") = "8"
    & skf18("8","1","6","2","4","10","1") = "9"
    & skf18("8","1","6","2","5","1","1") = "7"
    & skf18("8","1","6","2","5","2","1") = "7"
    & skf18("8","1","6","2","5","3","1") = "7"
    & skf18("8","1","6","2","5","4","1") = "7"
    & skf18("8","1","6","2","5","5","1") = "7"
    & skf18("8","1","6","2","5","6","1") = "7"
    & skf18("8","1","6","2","5","7","1") = "7"
    & skf18("8","1","6","2","5","8","1") = "7"
    & skf18("8","1","6","2","5","9","1") = "8"
    & skf18("8","1","6","2","5","10","1") = "9"
    & skf18("8","1","6","2","6","1","1") = "7"
    & skf18("8","1","6","2","6","2","1") = "7"
    & skf18("8","1","6","2","6","3","1") = "7"
    & skf18("8","1","6","2","6","4","1") = "7"
    & skf18("8","1","6","2","6","5","1") = "7"
    & skf18("8","1","6","2","6","6","1") = "7"
    & skf18("8","1","6","2","6","7","1") = "7"
    & skf18("8","1","6","2","6","8","1") = "7"
    & skf18("8","1","6","2","6","9","1") = "8"
    & skf18("8","1","6","2","6","10","1") = "9"
    & skf18("8","1","6","2","7","1","1") = "7"
    & skf18("8","1","6","2","7","2","1") = "7"
    & skf18("8","1","6","2","7","3","1") = "7"
    & skf18("8","1","6","2","7","4","1") = "7"
    & skf18("8","1","6","2","7","5","1") = "7"
    & skf18("8","1","6","2","7","6","1") = "7"
    & skf18("8","1","6","2","7","7","1") = "7"
    & skf18("8","1","6","2","7","8","1") = "7"
    & skf18("8","1","6","2","7","9","1") = "8"
    & skf18("8","1","6","2","7","10","1") = "9"
    & skf18("8","1","6","2","8","1","1") = "7"
    & skf18("8","1","6","2","8","2","1") = "7"
    & skf18("8","1","6","2","8","3","1") = "7"
    & skf18("8","1","6","2","8","4","1") = "7"
    & skf18("8","1","6","2","8","5","1") = "7"
    & skf18("8","1","6","2","8","6","1") = "7"
    & skf18("8","1","6","2","8","7","1") = "7"
    & skf18("8","1","6","2","8","8","1") = "7"
    & skf18("8","1","6","2","8","9","1") = "8"
    & skf18("8","1","6","2","8","10","1") = "9"
    & skf18("8","1","6","2","9","1","1") = "8"
    & skf18("8","1","6","2","9","2","1") = "8"
    & skf18("8","1","6","2","9","3","1") = "8"
    & skf18("8","1","6","2","9","4","1") = "8"
    & skf18("8","1","6","2","9","5","1") = "8"
    & skf18("8","1","6","2","9","6","1") = "8"
    & skf18("8","1","6","2","9","7","1") = "8"
    & skf18("8","1","6","2","9","8","1") = "8"
    & skf18("8","1","6","2","9","9","1") = "8"
    & skf18("8","1","6","2","9","10","1") = "9"
    & skf18("8","1","6","2","10","1","1") = "9"
    & skf18("8","1","6","2","10","2","1") = "9"
    & skf18("8","1","6","2","10","3","1") = "9"
    & skf18("8","1","6","2","10","4","1") = "9"
    & skf18("8","1","6","2","10","5","1") = "9"
    & skf18("8","1","6","2","10","6","1") = "9"
    & skf18("8","1","6","2","10","7","1") = "9"
    & skf18("8","1","6","2","10","8","1") = "9"
    & skf18("8","1","6","2","10","9","1") = "9"
    & skf18("8","1","6","2","10","10","1") = "9"
    & skf18("8","1","6","3","1","1","1") = "7"
    & skf18("8","1","6","3","1","2","1") = "7"
    & skf18("8","1","6","3","1","3","1") = "7"
    & skf18("8","1","6","3","1","4","1") = "7"
    & skf18("8","1","6","3","1","5","1") = "7"
    & skf18("8","1","6","3","1","6","1") = "7"
    & skf18("8","1","6","3","1","7","1") = "7"
    & skf18("8","1","6","3","1","8","1") = "7"
    & skf18("8","1","6","3","1","9","1") = "8"
    & skf18("8","1","6","3","1","10","1") = "9"
    & skf18("8","1","6","3","2","1","1") = "7"
    & skf18("8","1","6","3","2","2","1") = "7"
    & skf18("8","1","6","3","2","3","1") = "7"
    & skf18("8","1","6","3","2","4","1") = "7"
    & skf18("8","1","6","3","2","5","1") = "7"
    & skf18("8","1","6","3","2","6","1") = "7"
    & skf18("8","1","6","3","2","7","1") = "7"
    & skf18("8","1","6","3","2","8","1") = "7"
    & skf18("8","1","6","3","2","9","1") = "8"
    & skf18("8","1","6","3","2","10","1") = "9"
    & skf18("8","1","6","3","3","1","1") = "7"
    & skf18("8","1","6","3","3","2","1") = "7"
    & skf18("8","1","6","3","3","3","1") = "7"
    & skf18("8","1","6","3","3","4","1") = "7"
    & skf18("8","1","6","3","3","5","1") = "7"
    & skf18("8","1","6","3","3","6","1") = "7"
    & skf18("8","1","6","3","3","7","1") = "7"
    & skf18("8","1","6","3","3","8","1") = "7"
    & skf18("8","1","6","3","3","9","1") = "8"
    & skf18("8","1","6","3","3","10","1") = "9"
    & skf18("8","1","6","3","4","1","1") = "7"
    & skf18("8","1","6","3","4","2","1") = "7"
    & skf18("8","1","6","3","4","3","1") = "7"
    & skf18("8","1","6","3","4","4","1") = "7"
    & skf18("8","1","6","3","4","5","1") = "7"
    & skf18("8","1","6","3","4","6","1") = "7"
    & skf18("8","1","6","3","4","7","1") = "7"
    & skf18("8","1","6","3","4","8","1") = "7"
    & skf18("8","1","6","3","4","9","1") = "8"
    & skf18("8","1","6","3","4","10","1") = "9"
    & skf18("8","1","6","3","5","1","1") = "7"
    & skf18("8","1","6","3","5","2","1") = "7"
    & skf18("8","1","6","3","5","3","1") = "7"
    & skf18("8","1","6","3","5","4","1") = "7"
    & skf18("8","1","6","3","5","5","1") = "7"
    & skf18("8","1","6","3","5","6","1") = "7"
    & skf18("8","1","6","3","5","7","1") = "7"
    & skf18("8","1","6","3","5","8","1") = "7"
    & skf18("8","1","6","3","5","9","1") = "8"
    & skf18("8","1","6","3","5","10","1") = "9"
    & skf18("8","1","6","3","6","1","1") = "7"
    & skf18("8","1","6","3","6","2","1") = "7"
    & skf18("8","1","6","3","6","3","1") = "7"
    & skf18("8","1","6","3","6","4","1") = "7"
    & skf18("8","1","6","3","6","5","1") = "7"
    & skf18("8","1","6","3","6","6","1") = "7"
    & skf18("8","1","6","3","6","7","1") = "7"
    & skf18("8","1","6","3","6","8","1") = "7"
    & skf18("8","1","6","3","6","9","1") = "8"
    & skf18("8","1","6","3","6","10","1") = "9"
    & skf18("8","1","6","3","7","1","1") = "7"
    & skf18("8","1","6","3","7","2","1") = "7"
    & skf18("8","1","6","3","7","3","1") = "7"
    & skf18("8","1","6","3","7","4","1") = "7"
    & skf18("8","1","6","3","7","5","1") = "7"
    & skf18("8","1","6","3","7","6","1") = "7"
    & skf18("8","1","6","3","7","7","1") = "7"
    & skf18("8","1","6","3","7","8","1") = "7"
    & skf18("8","1","6","3","7","9","1") = "8"
    & skf18("8","1","6","3","7","10","1") = "9"
    & skf18("8","1","6","3","8","1","1") = "7"
    & skf18("8","1","6","3","8","2","1") = "7"
    & skf18("8","1","6","3","8","3","1") = "7"
    & skf18("8","1","6","3","8","4","1") = "7"
    & skf18("8","1","6","3","8","5","1") = "7"
    & skf18("8","1","6","3","8","6","1") = "7"
    & skf18("8","1","6","3","8","7","1") = "7"
    & skf18("8","1","6","3","8","8","1") = "7"
    & skf18("8","1","6","3","8","9","1") = "8"
    & skf18("8","1","6","3","8","10","1") = "9"
    & skf18("8","1","6","3","9","1","1") = "8"
    & skf18("8","1","6","3","9","2","1") = "8"
    & skf18("8","1","6","3","9","3","1") = "8"
    & skf18("8","1","6","3","9","4","1") = "8"
    & skf18("8","1","6","3","9","5","1") = "8"
    & skf18("8","1","6","3","9","6","1") = "8"
    & skf18("8","1","6","3","9","7","1") = "8"
    & skf18("8","1","6","3","9","8","1") = "8"
    & skf18("8","1","6","3","9","9","1") = "8"
    & skf18("8","1","6","3","9","10","1") = "9"
    & skf18("8","1","6","3","10","1","1") = "9"
    & skf18("8","1","6","3","10","2","1") = "9"
    & skf18("8","1","6","3","10","3","1") = "9"
    & skf18("8","1","6","3","10","4","1") = "9"
    & skf18("8","1","6","3","10","5","1") = "9"
    & skf18("8","1","6","3","10","6","1") = "9"
    & skf18("8","1","6","3","10","7","1") = "9"
    & skf18("8","1","6","3","10","8","1") = "9"
    & skf18("8","1","6","3","10","9","1") = "9"
    & skf18("8","1","6","3","10","10","1") = "9"
    & skf18("8","1","6","4","1","1","1") = "7"
    & skf18("8","1","6","4","1","2","1") = "7"
    & skf18("8","1","6","4","1","3","1") = "7"
    & skf18("8","1","6","4","1","4","1") = "7"
    & skf18("8","1","6","4","1","5","1") = "7"
    & skf18("8","1","6","4","1","6","1") = "7"
    & skf18("8","1","6","4","1","7","1") = "7"
    & skf18("8","1","6","4","1","8","1") = "7"
    & skf18("8","1","6","4","1","9","1") = "8"
    & skf18("8","1","6","4","1","10","1") = "9"
    & skf18("8","1","6","4","2","1","1") = "7"
    & skf18("8","1","6","4","2","2","1") = "7"
    & skf18("8","1","6","4","2","3","1") = "7"
    & skf18("8","1","6","4","2","4","1") = "7"
    & skf18("8","1","6","4","2","5","1") = "7"
    & skf18("8","1","6","4","2","6","1") = "7"
    & skf18("8","1","6","4","2","7","1") = "7"
    & skf18("8","1","6","4","2","8","1") = "7"
    & skf18("8","1","6","4","2","9","1") = "8"
    & skf18("8","1","6","4","2","10","1") = "9"
    & skf18("8","1","6","4","3","1","1") = "7"
    & skf18("8","1","6","4","3","2","1") = "7"
    & skf18("8","1","6","4","3","3","1") = "7"
    & skf18("8","1","6","4","3","4","1") = "7"
    & skf18("8","1","6","4","3","5","1") = "7"
    & skf18("8","1","6","4","3","6","1") = "7"
    & skf18("8","1","6","4","3","7","1") = "7"
    & skf18("8","1","6","4","3","8","1") = "7"
    & skf18("8","1","6","4","3","9","1") = "8"
    & skf18("8","1","6","4","3","10","1") = "9"
    & skf18("8","1","6","4","4","1","1") = "7"
    & skf18("8","1","6","4","4","2","1") = "7"
    & skf18("8","1","6","4","4","3","1") = "7"
    & skf18("8","1","6","4","4","4","1") = "7"
    & skf18("8","1","6","4","4","5","1") = "7"
    & skf18("8","1","6","4","4","6","1") = "7"
    & skf18("8","1","6","4","4","7","1") = "7"
    & skf18("8","1","6","4","4","8","1") = "7"
    & skf18("8","1","6","4","4","9","1") = "8"
    & skf18("8","1","6","4","4","10","1") = "9"
    & skf18("8","1","6","4","5","1","1") = "7"
    & skf18("8","1","6","4","5","2","1") = "7"
    & skf18("8","1","6","4","5","3","1") = "7"
    & skf18("8","1","6","4","5","4","1") = "7"
    & skf18("8","1","6","4","5","5","1") = "7"
    & skf18("8","1","6","4","5","6","1") = "7"
    & skf18("8","1","6","4","5","7","1") = "7"
    & skf18("8","1","6","4","5","8","1") = "7"
    & skf18("8","1","6","4","5","9","1") = "8"
    & skf18("8","1","6","4","5","10","1") = "9"
    & skf18("8","1","6","4","6","1","1") = "7"
    & skf18("8","1","6","4","6","2","1") = "7"
    & skf18("8","1","6","4","6","3","1") = "7"
    & skf18("8","1","6","4","6","4","1") = "7"
    & skf18("8","1","6","4","6","5","1") = "7"
    & skf18("8","1","6","4","6","6","1") = "7"
    & skf18("8","1","6","4","6","7","1") = "7"
    & skf18("8","1","6","4","6","8","1") = "7"
    & skf18("8","1","6","4","6","9","1") = "8"
    & skf18("8","1","6","4","6","10","1") = "9"
    & skf18("8","1","6","4","7","1","1") = "7"
    & skf18("8","1","6","4","7","2","1") = "7"
    & skf18("8","1","6","4","7","3","1") = "7"
    & skf18("8","1","6","4","7","4","1") = "7"
    & skf18("8","1","6","4","7","5","1") = "7"
    & skf18("8","1","6","4","7","6","1") = "7"
    & skf18("8","1","6","4","7","7","1") = "7"
    & skf18("8","1","6","4","7","8","1") = "7"
    & skf18("8","1","6","4","7","9","1") = "8"
    & skf18("8","1","6","4","7","10","1") = "9"
    & skf18("8","1","6","4","8","1","1") = "7"
    & skf18("8","1","6","4","8","2","1") = "7"
    & skf18("8","1","6","4","8","3","1") = "7"
    & skf18("8","1","6","4","8","4","1") = "7"
    & skf18("8","1","6","4","8","5","1") = "7"
    & skf18("8","1","6","4","8","6","1") = "7"
    & skf18("8","1","6","4","8","7","1") = "7"
    & skf18("8","1","6","4","8","8","1") = "7"
    & skf18("8","1","6","4","8","9","1") = "8"
    & skf18("8","1","6","4","8","10","1") = "9"
    & skf18("8","1","6","4","9","1","1") = "8"
    & skf18("8","1","6","4","9","2","1") = "8"
    & skf18("8","1","6","4","9","3","1") = "8"
    & skf18("8","1","6","4","9","4","1") = "8"
    & skf18("8","1","6","4","9","5","1") = "8"
    & skf18("8","1","6","4","9","6","1") = "8"
    & skf18("8","1","6","4","9","7","1") = "8"
    & skf18("8","1","6","4","9","8","1") = "8"
    & skf18("8","1","6","4","9","9","1") = "8"
    & skf18("8","1","6","4","9","10","1") = "9"
    & skf18("8","1","6","4","10","1","1") = "9"
    & skf18("8","1","6","4","10","2","1") = "9"
    & skf18("8","1","6","4","10","3","1") = "9"
    & skf18("8","1","6","4","10","4","1") = "9"
    & skf18("8","1","6","4","10","5","1") = "9"
    & skf18("8","1","6","4","10","6","1") = "9"
    & skf18("8","1","6","4","10","7","1") = "9"
    & skf18("8","1","6","4","10","8","1") = "9"
    & skf18("8","1","6","4","10","9","1") = "9"
    & skf18("8","1","6","4","10","10","1") = "9"
    & skf18("8","1","6","5","1","1","1") = "7"
    & skf18("8","1","6","5","1","2","1") = "7"
    & skf18("8","1","6","5","1","3","1") = "7"
    & skf18("8","1","6","5","1","4","1") = "7"
    & skf18("8","1","6","5","1","5","1") = "7"
    & skf18("8","1","6","5","1","6","1") = "7"
    & skf18("8","1","6","5","1","7","1") = "7"
    & skf18("8","1","6","5","1","8","1") = "7"
    & skf18("8","1","6","5","1","9","1") = "8"
    & skf18("8","1","6","5","1","10","1") = "9"
    & skf18("8","1","6","5","2","1","1") = "7"
    & skf18("8","1","6","5","2","2","1") = "7"
    & skf18("8","1","6","5","2","3","1") = "7"
    & skf18("8","1","6","5","2","4","1") = "7"
    & skf18("8","1","6","5","2","5","1") = "7"
    & skf18("8","1","6","5","2","6","1") = "7"
    & skf18("8","1","6","5","2","7","1") = "7"
    & skf18("8","1","6","5","2","8","1") = "7"
    & skf18("8","1","6","5","2","9","1") = "8"
    & skf18("8","1","6","5","2","10","1") = "9"
    & skf18("8","1","6","5","3","1","1") = "7"
    & skf18("8","1","6","5","3","2","1") = "7"
    & skf18("8","1","6","5","3","3","1") = "7"
    & skf18("8","1","6","5","3","4","1") = "7"
    & skf18("8","1","6","5","3","5","1") = "7"
    & skf18("8","1","6","5","3","6","1") = "7"
    & skf18("8","1","6","5","3","7","1") = "7"
    & skf18("8","1","6","5","3","8","1") = "7"
    & skf18("8","1","6","5","3","9","1") = "8"
    & skf18("8","1","6","5","3","10","1") = "9"
    & skf18("8","1","6","5","4","1","1") = "7"
    & skf18("8","1","6","5","4","2","1") = "7"
    & skf18("8","1","6","5","4","3","1") = "7"
    & skf18("8","1","6","5","4","4","1") = "7"
    & skf18("8","1","6","5","4","5","1") = "7"
    & skf18("8","1","6","5","4","6","1") = "7"
    & skf18("8","1","6","5","4","7","1") = "7"
    & skf18("8","1","6","5","4","8","1") = "7"
    & skf18("8","1","6","5","4","9","1") = "8"
    & skf18("8","1","6","5","4","10","1") = "9"
    & skf18("8","1","6","5","5","1","1") = "7"
    & skf18("8","1","6","5","5","2","1") = "7"
    & skf18("8","1","6","5","5","3","1") = "7"
    & skf18("8","1","6","5","5","4","1") = "7"
    & skf18("8","1","6","5","5","5","1") = "7"
    & skf18("8","1","6","5","5","6","1") = "7"
    & skf18("8","1","6","5","5","7","1") = "7"
    & skf18("8","1","6","5","5","8","1") = "7"
    & skf18("8","1","6","5","5","9","1") = "8"
    & skf18("8","1","6","5","5","10","1") = "9"
    & skf18("8","1","6","5","6","1","1") = "7"
    & skf18("8","1","6","5","6","2","1") = "7"
    & skf18("8","1","6","5","6","3","1") = "7"
    & skf18("8","1","6","5","6","4","1") = "7"
    & skf18("8","1","6","5","6","5","1") = "7"
    & skf18("8","1","6","5","6","6","1") = "7"
    & skf18("8","1","6","5","6","7","1") = "7"
    & skf18("8","1","6","5","6","8","1") = "7"
    & skf18("8","1","6","5","6","9","1") = "8"
    & skf18("8","1","6","5","6","10","1") = "9"
    & skf18("8","1","6","5","7","1","1") = "7"
    & skf18("8","1","6","5","7","2","1") = "7"
    & skf18("8","1","6","5","7","3","1") = "7"
    & skf18("8","1","6","5","7","4","1") = "7"
    & skf18("8","1","6","5","7","5","1") = "7"
    & skf18("8","1","6","5","7","6","1") = "7"
    & skf18("8","1","6","5","7","7","1") = "7"
    & skf18("8","1","6","5","7","8","1") = "7"
    & skf18("8","1","6","5","7","9","1") = "8"
    & skf18("8","1","6","5","7","10","1") = "9"
    & skf18("8","1","6","5","8","1","1") = "7"
    & skf18("8","1","6","5","8","2","1") = "7"
    & skf18("8","1","6","5","8","3","1") = "7"
    & skf18("8","1","6","5","8","4","1") = "7"
    & skf18("8","1","6","5","8","5","1") = "7"
    & skf18("8","1","6","5","8","6","1") = "7"
    & skf18("8","1","6","5","8","7","1") = "7"
    & skf18("8","1","6","5","8","8","1") = "7"
    & skf18("8","1","6","5","8","9","1") = "8"
    & skf18("8","1","6","5","8","10","1") = "9"
    & skf18("8","1","6","5","9","1","1") = "8"
    & skf18("8","1","6","5","9","2","1") = "8"
    & skf18("8","1","6","5","9","3","1") = "8"
    & skf18("8","1","6","5","9","4","1") = "8"
    & skf18("8","1","6","5","9","5","1") = "8"
    & skf18("8","1","6","5","9","6","1") = "8"
    & skf18("8","1","6","5","9","7","1") = "8"
    & skf18("8","1","6","5","9","8","1") = "8"
    & skf18("8","1","6","5","9","9","1") = "8"
    & skf18("8","1","6","5","9","10","1") = "9"
    & skf18("8","1","6","5","10","1","1") = "9"
    & skf18("8","1","6","5","10","2","1") = "9"
    & skf18("8","1","6","5","10","3","1") = "9"
    & skf18("8","1","6","5","10","4","1") = "9"
    & skf18("8","1","6","5","10","5","1") = "9"
    & skf18("8","1","6","5","10","6","1") = "9"
    & skf18("8","1","6","5","10","7","1") = "9"
    & skf18("8","1","6","5","10","8","1") = "9"
    & skf18("8","1","6","5","10","9","1") = "9"
    & skf18("8","1","6","5","10","10","1") = "9"
    & skf18("8","1","6","6","1","1","1") = "7"
    & skf18("8","1","6","6","1","2","1") = "7"
    & skf18("8","1","6","6","1","3","1") = "7"
    & skf18("8","1","6","6","1","4","1") = "7"
    & skf18("8","1","6","6","1","5","1") = "7"
    & skf18("8","1","6","6","1","6","1") = "7"
    & skf18("8","1","6","6","1","7","1") = "7"
    & skf18("8","1","6","6","1","8","1") = "7"
    & skf18("8","1","6","6","1","9","1") = "8"
    & skf18("8","1","6","6","1","10","1") = "9"
    & skf18("8","1","6","6","2","1","1") = "7"
    & skf18("8","1","6","6","2","2","1") = "7"
    & skf18("8","1","6","6","2","3","1") = "7"
    & skf18("8","1","6","6","2","4","1") = "7"
    & skf18("8","1","6","6","2","5","1") = "7"
    & skf18("8","1","6","6","2","6","1") = "7"
    & skf18("8","1","6","6","2","7","1") = "7"
    & skf18("8","1","6","6","2","8","1") = "7"
    & skf18("8","1","6","6","2","9","1") = "8"
    & skf18("8","1","6","6","2","10","1") = "9"
    & skf18("8","1","6","6","3","1","1") = "7"
    & skf18("8","1","6","6","3","2","1") = "7"
    & skf18("8","1","6","6","3","3","1") = "7"
    & skf18("8","1","6","6","3","4","1") = "7"
    & skf18("8","1","6","6","3","5","1") = "7"
    & skf18("8","1","6","6","3","6","1") = "7"
    & skf18("8","1","6","6","3","7","1") = "7"
    & skf18("8","1","6","6","3","8","1") = "7"
    & skf18("8","1","6","6","3","9","1") = "8"
    & skf18("8","1","6","6","3","10","1") = "9"
    & skf18("8","1","6","6","4","1","1") = "7"
    & skf18("8","1","6","6","4","2","1") = "7"
    & skf18("8","1","6","6","4","3","1") = "7"
    & skf18("8","1","6","6","4","4","1") = "7"
    & skf18("8","1","6","6","4","5","1") = "7"
    & skf18("8","1","6","6","4","6","1") = "7"
    & skf18("8","1","6","6","4","7","1") = "7"
    & skf18("8","1","6","6","4","8","1") = "7"
    & skf18("8","1","6","6","4","9","1") = "8"
    & skf18("8","1","6","6","4","10","1") = "9"
    & skf18("8","1","6","6","5","1","1") = "7"
    & skf18("8","1","6","6","5","2","1") = "7"
    & skf18("8","1","6","6","5","3","1") = "7"
    & skf18("8","1","6","6","5","4","1") = "7"
    & skf18("8","1","6","6","5","5","1") = "7"
    & skf18("8","1","6","6","5","6","1") = "7"
    & skf18("8","1","6","6","5","7","1") = "7"
    & skf18("8","1","6","6","5","8","1") = "7"
    & skf18("8","1","6","6","5","9","1") = "8"
    & skf18("8","1","6","6","5","10","1") = "9"
    & skf18("8","1","6","6","6","1","1") = "7"
    & skf18("8","1","6","6","6","2","1") = "7"
    & skf18("8","1","6","6","6","3","1") = "7"
    & skf18("8","1","6","6","6","4","1") = "7"
    & skf18("8","1","6","6","6","5","1") = "7"
    & skf18("8","1","6","6","6","6","1") = "7"
    & skf18("8","1","6","6","6","7","1") = "7"
    & skf18("8","1","6","6","6","8","1") = "7"
    & skf18("8","1","6","6","6","9","1") = "8"
    & skf18("8","1","6","6","6","10","1") = "9"
    & skf18("8","1","6","6","7","1","1") = "7"
    & skf18("8","1","6","6","7","2","1") = "7"
    & skf18("8","1","6","6","7","3","1") = "7"
    & skf18("8","1","6","6","7","4","1") = "7"
    & skf18("8","1","6","6","7","5","1") = "7"
    & skf18("8","1","6","6","7","6","1") = "7"
    & skf18("8","1","6","6","7","7","1") = "7"
    & skf18("8","1","6","6","7","8","1") = "7"
    & skf18("8","1","6","6","7","9","1") = "8"
    & skf18("8","1","6","6","7","10","1") = "9"
    & skf18("8","1","6","6","8","1","1") = "7"
    & skf18("8","1","6","6","8","2","1") = "7"
    & skf18("8","1","6","6","8","3","1") = "7"
    & skf18("8","1","6","6","8","4","1") = "7"
    & skf18("8","1","6","6","8","5","1") = "7"
    & skf18("8","1","6","6","8","6","1") = "7"
    & skf18("8","1","6","6","8","7","1") = "7"
    & skf18("8","1","6","6","8","8","1") = "7"
    & skf18("8","1","6","6","8","9","1") = "8"
    & skf18("8","1","6","6","8","10","1") = "9"
    & skf18("8","1","6","6","9","1","1") = "8"
    & skf18("8","1","6","6","9","2","1") = "8"
    & skf18("8","1","6","6","9","3","1") = "8"
    & skf18("8","1","6","6","9","4","1") = "8"
    & skf18("8","1","6","6","9","5","1") = "8"
    & skf18("8","1","6","6","9","6","1") = "8"
    & skf18("8","1","6","6","9","7","1") = "8"
    & skf18("8","1","6","6","9","8","1") = "8"
    & skf18("8","1","6","6","9","9","1") = "8"
    & skf18("8","1","6","6","9","10","1") = "9"
    & skf18("8","1","6","6","10","1","1") = "9"
    & skf18("8","1","6","6","10","2","1") = "9"
    & skf18("8","1","6","6","10","3","1") = "9"
    & skf18("8","1","6","6","10","4","1") = "9"
    & skf18("8","1","6","6","10","5","1") = "9"
    & skf18("8","1","6","6","10","6","1") = "9"
    & skf18("8","1","6","6","10","7","1") = "9"
    & skf18("8","1","6","6","10","8","1") = "9"
    & skf18("8","1","6","6","10","9","1") = "9"
    & skf18("8","1","6","6","10","10","1") = "9"
    & skf18("8","1","6","7","1","1","1") = "7"
    & skf18("8","1","6","7","1","2","1") = "7"
    & skf18("8","1","6","7","1","3","1") = "7"
    & skf18("8","1","6","7","1","4","1") = "7"
    & skf18("8","1","6","7","1","5","1") = "7"
    & skf18("8","1","6","7","1","6","1") = "7"
    & skf18("8","1","6","7","1","7","1") = "7"
    & skf18("8","1","6","7","1","8","1") = "7"
    & skf18("8","1","6","7","1","9","1") = "8"
    & skf18("8","1","6","7","1","10","1") = "9"
    & skf18("8","1","6","7","2","1","1") = "7"
    & skf18("8","1","6","7","2","2","1") = "7"
    & skf18("8","1","6","7","2","3","1") = "7"
    & skf18("8","1","6","7","2","4","1") = "7"
    & skf18("8","1","6","7","2","5","1") = "7"
    & skf18("8","1","6","7","2","6","1") = "7"
    & skf18("8","1","6","7","2","7","1") = "7"
    & skf18("8","1","6","7","2","8","1") = "7"
    & skf18("8","1","6","7","2","9","1") = "8"
    & skf18("8","1","6","7","2","10","1") = "9"
    & skf18("8","1","6","7","3","1","1") = "7"
    & skf18("8","1","6","7","3","2","1") = "7"
    & skf18("8","1","6","7","3","3","1") = "7"
    & skf18("8","1","6","7","3","4","1") = "7"
    & skf18("8","1","6","7","3","5","1") = "7"
    & skf18("8","1","6","7","3","6","1") = "7"
    & skf18("8","1","6","7","3","7","1") = "7"
    & skf18("8","1","6","7","3","8","1") = "7"
    & skf18("8","1","6","7","3","9","1") = "8"
    & skf18("8","1","6","7","3","10","1") = "9"
    & skf18("8","1","6","7","4","1","1") = "7"
    & skf18("8","1","6","7","4","2","1") = "7"
    & skf18("8","1","6","7","4","3","1") = "7"
    & skf18("8","1","6","7","4","4","1") = "7"
    & skf18("8","1","6","7","4","5","1") = "7"
    & skf18("8","1","6","7","4","6","1") = "7"
    & skf18("8","1","6","7","4","7","1") = "7"
    & skf18("8","1","6","7","4","8","1") = "7"
    & skf18("8","1","6","7","4","9","1") = "8"
    & skf18("8","1","6","7","4","10","1") = "9"
    & skf18("8","1","6","7","5","1","1") = "7"
    & skf18("8","1","6","7","5","2","1") = "7"
    & skf18("8","1","6","7","5","3","1") = "7"
    & skf18("8","1","6","7","5","4","1") = "7"
    & skf18("8","1","6","7","5","5","1") = "7"
    & skf18("8","1","6","7","5","6","1") = "7"
    & skf18("8","1","6","7","5","7","1") = "7"
    & skf18("8","1","6","7","5","8","1") = "7"
    & skf18("8","1","6","7","5","9","1") = "8"
    & skf18("8","1","6","7","5","10","1") = "9"
    & skf18("8","1","6","7","6","1","1") = "7"
    & skf18("8","1","6","7","6","2","1") = "7"
    & skf18("8","1","6","7","6","3","1") = "7"
    & skf18("8","1","6","7","6","4","1") = "7"
    & skf18("8","1","6","7","6","5","1") = "7"
    & skf18("8","1","6","7","6","6","1") = "7"
    & skf18("8","1","6","7","6","7","1") = "7"
    & skf18("8","1","6","7","6","8","1") = "7"
    & skf18("8","1","6","7","6","9","1") = "8"
    & skf18("8","1","6","7","6","10","1") = "9"
    & skf18("8","1","6","7","7","1","1") = "7"
    & skf18("8","1","6","7","7","2","1") = "7"
    & skf18("8","1","6","7","7","3","1") = "7"
    & skf18("8","1","6","7","7","4","1") = "7"
    & skf18("8","1","6","7","7","5","1") = "7"
    & skf18("8","1","6","7","7","6","1") = "7"
    & skf18("8","1","6","7","7","7","1") = "7"
    & skf18("8","1","6","7","7","8","1") = "7"
    & skf18("8","1","6","7","7","9","1") = "8"
    & skf18("8","1","6","7","7","10","1") = "9"
    & skf18("8","1","6","7","8","1","1") = "7"
    & skf18("8","1","6","7","8","2","1") = "7"
    & skf18("8","1","6","7","8","3","1") = "7"
    & skf18("8","1","6","7","8","4","1") = "7"
    & skf18("8","1","6","7","8","5","1") = "7"
    & skf18("8","1","6","7","8","6","1") = "7"
    & skf18("8","1","6","7","8","7","1") = "7"
    & skf18("8","1","6","7","8","8","1") = "7"
    & skf18("8","1","6","7","8","9","1") = "8"
    & skf18("8","1","6","7","8","10","1") = "9"
    & skf18("8","1","6","7","9","1","1") = "8"
    & skf18("8","1","6","7","9","2","1") = "8"
    & skf18("8","1","6","7","9","3","1") = "8"
    & skf18("8","1","6","7","9","4","1") = "8"
    & skf18("8","1","6","7","9","5","1") = "8"
    & skf18("8","1","6","7","9","6","1") = "8"
    & skf18("8","1","6","7","9","7","1") = "8"
    & skf18("8","1","6","7","9","8","1") = "8"
    & skf18("8","1","6","7","9","9","1") = "8"
    & skf18("8","1","6","7","9","10","1") = "9"
    & skf18("8","1","6","7","10","1","1") = "9"
    & skf18("8","1","6","7","10","2","1") = "9"
    & skf18("8","1","6","7","10","3","1") = "9"
    & skf18("8","1","6","7","10","4","1") = "9"
    & skf18("8","1","6","7","10","5","1") = "9"
    & skf18("8","1","6","7","10","6","1") = "9"
    & skf18("8","1","6","7","10","7","1") = "9"
    & skf18("8","1","6","7","10","8","1") = "9"
    & skf18("8","1","6","7","10","9","1") = "9"
    & skf18("8","1","6","7","10","10","1") = "9"
    & skf18("8","1","6","8","1","1","1") = "7"
    & skf18("8","1","6","8","1","2","1") = "7"
    & skf18("8","1","6","8","1","3","1") = "7"
    & skf18("8","1","6","8","1","4","1") = "7"
    & skf18("8","1","6","8","1","5","1") = "7"
    & skf18("8","1","6","8","1","6","1") = "7"
    & skf18("8","1","6","8","1","7","1") = "7"
    & skf18("8","1","6","8","1","8","1") = "7"
    & skf18("8","1","6","8","1","9","1") = "8"
    & skf18("8","1","6","8","1","10","1") = "9"
    & skf18("8","1","6","8","2","1","1") = "7"
    & skf18("8","1","6","8","2","2","1") = "7"
    & skf18("8","1","6","8","2","3","1") = "7"
    & skf18("8","1","6","8","2","4","1") = "7"
    & skf18("8","1","6","8","2","5","1") = "7"
    & skf18("8","1","6","8","2","6","1") = "7"
    & skf18("8","1","6","8","2","7","1") = "7"
    & skf18("8","1","6","8","2","8","1") = "7"
    & skf18("8","1","6","8","2","9","1") = "8"
    & skf18("8","1","6","8","2","10","1") = "9"
    & skf18("8","1","6","8","3","1","1") = "7"
    & skf18("8","1","6","8","3","2","1") = "7"
    & skf18("8","1","6","8","3","3","1") = "7"
    & skf18("8","1","6","8","3","4","1") = "7"
    & skf18("8","1","6","8","3","5","1") = "7"
    & skf18("8","1","6","8","3","6","1") = "7"
    & skf18("8","1","6","8","3","7","1") = "7"
    & skf18("8","1","6","8","3","8","1") = "7"
    & skf18("8","1","6","8","3","9","1") = "8"
    & skf18("8","1","6","8","3","10","1") = "9"
    & skf18("8","1","6","8","4","1","1") = "7"
    & skf18("8","1","6","8","4","2","1") = "7"
    & skf18("8","1","6","8","4","3","1") = "7"
    & skf18("8","1","6","8","4","4","1") = "7"
    & skf18("8","1","6","8","4","5","1") = "7"
    & skf18("8","1","6","8","4","6","1") = "7"
    & skf18("8","1","6","8","4","7","1") = "7"
    & skf18("8","1","6","8","4","8","1") = "7"
    & skf18("8","1","6","8","4","9","1") = "8"
    & skf18("8","1","6","8","4","10","1") = "9"
    & skf18("8","1","6","8","5","1","1") = "7"
    & skf18("8","1","6","8","5","2","1") = "7"
    & skf18("8","1","6","8","5","3","1") = "7"
    & skf18("8","1","6","8","5","4","1") = "7"
    & skf18("8","1","6","8","5","5","1") = "7"
    & skf18("8","1","6","8","5","6","1") = "7"
    & skf18("8","1","6","8","5","7","1") = "7"
    & skf18("8","1","6","8","5","8","1") = "7"
    & skf18("8","1","6","8","5","9","1") = "8"
    & skf18("8","1","6","8","5","10","1") = "9"
    & skf18("8","1","6","8","6","1","1") = "7"
    & skf18("8","1","6","8","6","2","1") = "7"
    & skf18("8","1","6","8","6","3","1") = "7"
    & skf18("8","1","6","8","6","4","1") = "7"
    & skf18("8","1","6","8","6","5","1") = "7"
    & skf18("8","1","6","8","6","6","1") = "7"
    & skf18("8","1","6","8","6","7","1") = "7"
    & skf18("8","1","6","8","6","8","1") = "7"
    & skf18("8","1","6","8","6","9","1") = "8"
    & skf18("8","1","6","8","6","10","1") = "9"
    & skf18("8","1","6","8","7","1","1") = "7"
    & skf18("8","1","6","8","7","2","1") = "7"
    & skf18("8","1","6","8","7","3","1") = "7"
    & skf18("8","1","6","8","7","4","1") = "7"
    & skf18("8","1","6","8","7","5","1") = "7"
    & skf18("8","1","6","8","7","6","1") = "7"
    & skf18("8","1","6","8","7","7","1") = "7"
    & skf18("8","1","6","8","7","8","1") = "7"
    & skf18("8","1","6","8","7","9","1") = "8"
    & skf18("8","1","6","8","7","10","1") = "9"
    & skf18("8","1","6","8","8","1","1") = "7"
    & skf18("8","1","6","8","8","2","1") = "7"
    & skf18("8","1","6","8","8","3","1") = "7"
    & skf18("8","1","6","8","8","4","1") = "7"
    & skf18("8","1","6","8","8","5","1") = "7"
    & skf18("8","1","6","8","8","6","1") = "7"
    & skf18("8","1","6","8","8","7","1") = "7"
    & skf18("8","1","6","8","8","8","1") = "7"
    & skf18("8","1","6","8","8","9","1") = "8"
    & skf18("8","1","6","8","8","10","1") = "9"
    & skf18("8","1","6","8","9","1","1") = "8"
    & skf18("8","1","6","8","9","2","1") = "8"
    & skf18("8","1","6","8","9","3","1") = "8"
    & skf18("8","1","6","8","9","4","1") = "8"
    & skf18("8","1","6","8","9","5","1") = "8"
    & skf18("8","1","6","8","9","6","1") = "8"
    & skf18("8","1","6","8","9","7","1") = "8"
    & skf18("8","1","6","8","9","8","1") = "8"
    & skf18("8","1","6","8","9","9","1") = "8"
    & skf18("8","1","6","8","9","10","1") = "9"
    & skf18("8","1","6","8","10","1","1") = "9"
    & skf18("8","1","6","8","10","2","1") = "9"
    & skf18("8","1","6","8","10","3","1") = "9"
    & skf18("8","1","6","8","10","4","1") = "9"
    & skf18("8","1","6","8","10","5","1") = "9"
    & skf18("8","1","6","8","10","6","1") = "9"
    & skf18("8","1","6","8","10","7","1") = "9"
    & skf18("8","1","6","8","10","8","1") = "9"
    & skf18("8","1","6","8","10","9","1") = "9"
    & skf18("8","1","6","8","10","10","1") = "9"
    & skf18("8","1","6","9","1","1","1") = "8"
    & skf18("8","1","6","9","1","2","1") = "8"
    & skf18("8","1","6","9","1","3","1") = "8"
    & skf18("8","1","6","9","1","4","1") = "8"
    & skf18("8","1","6","9","1","5","1") = "8"
    & skf18("8","1","6","9","1","6","1") = "8"
    & skf18("8","1","6","9","1","7","1") = "8"
    & skf18("8","1","6","9","1","8","1") = "8"
    & skf18("8","1","6","9","1","9","1") = "8"
    & skf18("8","1","6","9","1","10","1") = "9"
    & skf18("8","1","6","9","2","1","1") = "8"
    & skf18("8","1","6","9","2","2","1") = "8"
    & skf18("8","1","6","9","2","3","1") = "8"
    & skf18("8","1","6","9","2","4","1") = "8"
    & skf18("8","1","6","9","2","5","1") = "8"
    & skf18("8","1","6","9","2","6","1") = "8"
    & skf18("8","1","6","9","2","7","1") = "8"
    & skf18("8","1","6","9","2","8","1") = "8"
    & skf18("8","1","6","9","2","9","1") = "8"
    & skf18("8","1","6","9","2","10","1") = "9"
    & skf18("8","1","6","9","3","1","1") = "8"
    & skf18("8","1","6","9","3","2","1") = "8"
    & skf18("8","1","6","9","3","3","1") = "8"
    & skf18("8","1","6","9","3","4","1") = "8"
    & skf18("8","1","6","9","3","5","1") = "8"
    & skf18("8","1","6","9","3","6","1") = "8"
    & skf18("8","1","6","9","3","7","1") = "8"
    & skf18("8","1","6","9","3","8","1") = "8"
    & skf18("8","1","6","9","3","9","1") = "8"
    & skf18("8","1","6","9","3","10","1") = "9"
    & skf18("8","1","6","9","4","1","1") = "8"
    & skf18("8","1","6","9","4","2","1") = "8"
    & skf18("8","1","6","9","4","3","1") = "8"
    & skf18("8","1","6","9","4","4","1") = "8"
    & skf18("8","1","6","9","4","5","1") = "8"
    & skf18("8","1","6","9","4","6","1") = "8"
    & skf18("8","1","6","9","4","7","1") = "8"
    & skf18("8","1","6","9","4","8","1") = "8"
    & skf18("8","1","6","9","4","9","1") = "8"
    & skf18("8","1","6","9","4","10","1") = "9"
    & skf18("8","1","6","9","5","1","1") = "8"
    & skf18("8","1","6","9","5","2","1") = "8"
    & skf18("8","1","6","9","5","3","1") = "8"
    & skf18("8","1","6","9","5","4","1") = "8"
    & skf18("8","1","6","9","5","5","1") = "8"
    & skf18("8","1","6","9","5","6","1") = "8"
    & skf18("8","1","6","9","5","7","1") = "8"
    & skf18("8","1","6","9","5","8","1") = "8"
    & skf18("8","1","6","9","5","9","1") = "8"
    & skf18("8","1","6","9","5","10","1") = "9"
    & skf18("8","1","6","9","6","1","1") = "8"
    & skf18("8","1","6","9","6","2","1") = "8"
    & skf18("8","1","6","9","6","3","1") = "8"
    & skf18("8","1","6","9","6","4","1") = "8"
    & skf18("8","1","6","9","6","5","1") = "8"
    & skf18("8","1","6","9","6","6","1") = "8"
    & skf18("8","1","6","9","6","7","1") = "8"
    & skf18("8","1","6","9","6","8","1") = "8"
    & skf18("8","1","6","9","6","9","1") = "8"
    & skf18("8","1","6","9","6","10","1") = "9"
    & skf18("8","1","6","9","7","1","1") = "8"
    & skf18("8","1","6","9","7","2","1") = "8"
    & skf18("8","1","6","9","7","3","1") = "8"
    & skf18("8","1","6","9","7","4","1") = "8"
    & skf18("8","1","6","9","7","5","1") = "8"
    & skf18("8","1","6","9","7","6","1") = "8"
    & skf18("8","1","6","9","7","7","1") = "8"
    & skf18("8","1","6","9","7","8","1") = "8"
    & skf18("8","1","6","9","7","9","1") = "8"
    & skf18("8","1","6","9","7","10","1") = "9"
    & skf18("8","1","6","9","8","1","1") = "8"
    & skf18("8","1","6","9","8","2","1") = "8"
    & skf18("8","1","6","9","8","3","1") = "8"
    & skf18("8","1","6","9","8","4","1") = "8"
    & skf18("8","1","6","9","8","5","1") = "8"
    & skf18("8","1","6","9","8","6","1") = "8"
    & skf18("8","1","6","9","8","7","1") = "8"
    & skf18("8","1","6","9","8","8","1") = "8"
    & skf18("8","1","6","9","8","9","1") = "8"
    & skf18("8","1","6","9","8","10","1") = "9"
    & skf18("8","1","6","9","9","1","1") = "8"
    & skf18("8","1","6","9","9","2","1") = "8"
    & skf18("8","1","6","9","9","3","1") = "8"
    & skf18("8","1","6","9","9","4","1") = "8"
    & skf18("8","1","6","9","9","5","1") = "8"
    & skf18("8","1","6","9","9","6","1") = "8"
    & skf18("8","1","6","9","9","7","1") = "8"
    & skf18("8","1","6","9","9","8","1") = "8"
    & skf18("8","1","6","9","9","9","1") = "8"
    & skf18("8","1","6","9","9","10","1") = "9"
    & skf18("8","1","6","9","10","1","1") = "9"
    & skf18("8","1","6","9","10","2","1") = "9"
    & skf18("8","1","6","9","10","3","1") = "9"
    & skf18("8","1","6","9","10","4","1") = "9"
    & skf18("8","1","6","9","10","5","1") = "9"
    & skf18("8","1","6","9","10","6","1") = "9"
    & skf18("8","1","6","9","10","7","1") = "9"
    & skf18("8","1","6","9","10","8","1") = "9"
    & skf18("8","1","6","9","10","9","1") = "9"
    & skf18("8","1","6","9","10","10","1") = "9"
    & skf18("8","1","6","10","1","1","1") = "9"
    & skf18("8","1","6","10","1","2","1") = "9"
    & skf18("8","1","6","10","1","3","1") = "9"
    & skf18("8","1","6","10","1","4","1") = "9"
    & skf18("8","1","6","10","1","5","1") = "9"
    & skf18("8","1","6","10","1","6","1") = "9"
    & skf18("8","1","6","10","1","7","1") = "9"
    & skf18("8","1","6","10","1","8","1") = "9"
    & skf18("8","1","6","10","1","9","1") = "9"
    & skf18("8","1","6","10","1","10","1") = "9"
    & skf18("8","1","6","10","2","1","1") = "9"
    & skf18("8","1","6","10","2","2","1") = "9"
    & skf18("8","1","6","10","2","3","1") = "9"
    & skf18("8","1","6","10","2","4","1") = "9"
    & skf18("8","1","6","10","2","5","1") = "9"
    & skf18("8","1","6","10","2","6","1") = "9"
    & skf18("8","1","6","10","2","7","1") = "9"
    & skf18("8","1","6","10","2","8","1") = "9"
    & skf18("8","1","6","10","2","9","1") = "9"
    & skf18("8","1","6","10","2","10","1") = "9"
    & skf18("8","1","6","10","3","1","1") = "9"
    & skf18("8","1","6","10","3","2","1") = "9"
    & skf18("8","1","6","10","3","3","1") = "9"
    & skf18("8","1","6","10","3","4","1") = "9"
    & skf18("8","1","6","10","3","5","1") = "9"
    & skf18("8","1","6","10","3","6","1") = "9"
    & skf18("8","1","6","10","3","7","1") = "9"
    & skf18("8","1","6","10","3","8","1") = "9"
    & skf18("8","1","6","10","3","9","1") = "9"
    & skf18("8","1","6","10","3","10","1") = "9"
    & skf18("8","1","6","10","4","1","1") = "9"
    & skf18("8","1","6","10","4","2","1") = "9"
    & skf18("8","1","6","10","4","3","1") = "9"
    & skf18("8","1","6","10","4","4","1") = "9"
    & skf18("8","1","6","10","4","5","1") = "9"
    & skf18("8","1","6","10","4","6","1") = "9"
    & skf18("8","1","6","10","4","7","1") = "9"
    & skf18("8","1","6","10","4","8","1") = "9"
    & skf18("8","1","6","10","4","9","1") = "9"
    & skf18("8","1","6","10","4","10","1") = "9"
    & skf18("8","1","6","10","5","1","1") = "9"
    & skf18("8","1","6","10","5","2","1") = "9"
    & skf18("8","1","6","10","5","3","1") = "9"
    & skf18("8","1","6","10","5","4","1") = "9"
    & skf18("8","1","6","10","5","5","1") = "9"
    & skf18("8","1","6","10","5","6","1") = "9"
    & skf18("8","1","6","10","5","7","1") = "9"
    & skf18("8","1","6","10","5","8","1") = "9"
    & skf18("8","1","6","10","5","9","1") = "9"
    & skf18("8","1","6","10","5","10","1") = "9"
    & skf18("8","1","6","10","6","1","1") = "9"
    & skf18("8","1","6","10","6","2","1") = "9"
    & skf18("8","1","6","10","6","3","1") = "9"
    & skf18("8","1","6","10","6","4","1") = "9"
    & skf18("8","1","6","10","6","5","1") = "9"
    & skf18("8","1","6","10","6","6","1") = "9"
    & skf18("8","1","6","10","6","7","1") = "9"
    & skf18("8","1","6","10","6","8","1") = "9"
    & skf18("8","1","6","10","6","9","1") = "9"
    & skf18("8","1","6","10","6","10","1") = "9"
    & skf18("8","1","6","10","7","1","1") = "9"
    & skf18("8","1","6","10","7","2","1") = "9"
    & skf18("8","1","6","10","7","3","1") = "9"
    & skf18("8","1","6","10","7","4","1") = "9"
    & skf18("8","1","6","10","7","5","1") = "9"
    & skf18("8","1","6","10","7","6","1") = "9"
    & skf18("8","1","6","10","7","7","1") = "9"
    & skf18("8","1","6","10","7","8","1") = "9"
    & skf18("8","1","6","10","7","9","1") = "9"
    & skf18("8","1","6","10","7","10","1") = "9"
    & skf18("8","1","6","10","8","1","1") = "9"
    & skf18("8","1","6","10","8","2","1") = "9"
    & skf18("8","1","6","10","8","3","1") = "9"
    & skf18("8","1","6","10","8","4","1") = "9"
    & skf18("8","1","6","10","8","5","1") = "9"
    & skf18("8","1","6","10","8","6","1") = "9"
    & skf18("8","1","6","10","8","7","1") = "9"
    & skf18("8","1","6","10","8","8","1") = "9"
    & skf18("8","1","6","10","8","9","1") = "9"
    & skf18("8","1","6","10","8","10","1") = "9"
    & skf18("8","1","6","10","9","1","1") = "9"
    & skf18("8","1","6","10","9","2","1") = "9"
    & skf18("8","1","6","10","9","3","1") = "9"
    & skf18("8","1","6","10","9","4","1") = "9"
    & skf18("8","1","6","10","9","5","1") = "9"
    & skf18("8","1","6","10","9","6","1") = "9"
    & skf18("8","1","6","10","9","7","1") = "9"
    & skf18("8","1","6","10","9","8","1") = "9"
    & skf18("8","1","6","10","9","9","1") = "9"
    & skf18("8","1","6","10","9","10","1") = "9"
    & skf18("8","1","6","10","10","1","1") = "9"
    & skf18("8","1","6","10","10","2","1") = "9"
    & skf18("8","1","6","10","10","3","1") = "9"
    & skf18("8","1","6","10","10","4","1") = "9"
    & skf18("8","1","6","10","10","5","1") = "9"
    & skf18("8","1","6","10","10","6","1") = "9"
    & skf18("8","1","6","10","10","7","1") = "9"
    & skf18("8","1","6","10","10","8","1") = "9"
    & skf18("8","1","6","10","10","9","1") = "9"
    & skf18("8","1","6","10","10","10","1") = "9"
    & skf18("8","1","7","1","1","1","1") = "7"
    & skf18("8","1","7","1","1","2","1") = "7"
    & skf18("8","1","7","1","1","3","1") = "7"
    & skf18("8","1","7","1","1","4","1") = "7"
    & skf18("8","1","7","1","1","5","1") = "7"
    & skf18("8","1","7","1","1","6","1") = "7"
    & skf18("8","1","7","1","1","7","1") = "7"
    & skf18("8","1","7","1","1","8","1") = "7"
    & skf18("8","1","7","1","1","9","1") = "8"
    & skf18("8","1","7","1","1","10","1") = "9"
    & skf18("8","1","7","1","2","1","1") = "7"
    & skf18("8","1","7","1","2","2","1") = "7"
    & skf18("8","1","7","1","2","3","1") = "7"
    & skf18("8","1","7","1","2","4","1") = "7"
    & skf18("8","1","7","1","2","5","1") = "7"
    & skf18("8","1","7","1","2","6","1") = "7"
    & skf18("8","1","7","1","2","7","1") = "7"
    & skf18("8","1","7","1","2","8","1") = "7"
    & skf18("8","1","7","1","2","9","1") = "8"
    & skf18("8","1","7","1","2","10","1") = "9"
    & skf18("8","1","7","1","3","1","1") = "7"
    & skf18("8","1","7","1","3","2","1") = "7"
    & skf18("8","1","7","1","3","3","1") = "7"
    & skf18("8","1","7","1","3","4","1") = "7"
    & skf18("8","1","7","1","3","5","1") = "7"
    & skf18("8","1","7","1","3","6","1") = "7"
    & skf18("8","1","7","1","3","7","1") = "7"
    & skf18("8","1","7","1","3","8","1") = "7"
    & skf18("8","1","7","1","3","9","1") = "8"
    & skf18("8","1","7","1","3","10","1") = "9"
    & skf18("8","1","7","1","4","1","1") = "7"
    & skf18("8","1","7","1","4","2","1") = "7"
    & skf18("8","1","7","1","4","3","1") = "7"
    & skf18("8","1","7","1","4","4","1") = "7"
    & skf18("8","1","7","1","4","5","1") = "7"
    & skf18("8","1","7","1","4","6","1") = "7"
    & skf18("8","1","7","1","4","7","1") = "7"
    & skf18("8","1","7","1","4","8","1") = "7"
    & skf18("8","1","7","1","4","9","1") = "8"
    & skf18("8","1","7","1","4","10","1") = "9"
    & skf18("8","1","7","1","5","1","1") = "7"
    & skf18("8","1","7","1","5","2","1") = "7"
    & skf18("8","1","7","1","5","3","1") = "7"
    & skf18("8","1","7","1","5","4","1") = "7"
    & skf18("8","1","7","1","5","5","1") = "7"
    & skf18("8","1","7","1","5","6","1") = "7"
    & skf18("8","1","7","1","5","7","1") = "7"
    & skf18("8","1","7","1","5","8","1") = "7"
    & skf18("8","1","7","1","5","9","1") = "8"
    & skf18("8","1","7","1","5","10","1") = "9"
    & skf18("8","1","7","1","6","1","1") = "7"
    & skf18("8","1","7","1","6","2","1") = "7"
    & skf18("8","1","7","1","6","3","1") = "7"
    & skf18("8","1","7","1","6","4","1") = "7"
    & skf18("8","1","7","1","6","5","1") = "7"
    & skf18("8","1","7","1","6","6","1") = "7"
    & skf18("8","1","7","1","6","7","1") = "7"
    & skf18("8","1","7","1","6","8","1") = "7"
    & skf18("8","1","7","1","6","9","1") = "8"
    & skf18("8","1","7","1","6","10","1") = "9"
    & skf18("8","1","7","1","7","1","1") = "7"
    & skf18("8","1","7","1","7","2","1") = "7"
    & skf18("8","1","7","1","7","3","1") = "7"
    & skf18("8","1","7","1","7","4","1") = "7"
    & skf18("8","1","7","1","7","5","1") = "7"
    & skf18("8","1","7","1","7","6","1") = "7"
    & skf18("8","1","7","1","7","7","1") = "7"
    & skf18("8","1","7","1","7","8","1") = "7"
    & skf18("8","1","7","1","7","9","1") = "8"
    & skf18("8","1","7","1","7","10","1") = "9"
    & skf18("8","1","7","1","8","1","1") = "7"
    & skf18("8","1","7","1","8","2","1") = "7"
    & skf18("8","1","7","1","8","3","1") = "7"
    & skf18("8","1","7","1","8","4","1") = "7"
    & skf18("8","1","7","1","8","5","1") = "7"
    & skf18("8","1","7","1","8","6","1") = "7"
    & skf18("8","1","7","1","8","7","1") = "7"
    & skf18("8","1","7","1","8","8","1") = "7"
    & skf18("8","1","7","1","8","9","1") = "8"
    & skf18("8","1","7","1","8","10","1") = "9"
    & skf18("8","1","7","1","9","1","1") = "8"
    & skf18("8","1","7","1","9","2","1") = "8"
    & skf18("8","1","7","1","9","3","1") = "8"
    & skf18("8","1","7","1","9","4","1") = "8"
    & skf18("8","1","7","1","9","5","1") = "8"
    & skf18("8","1","7","1","9","6","1") = "8"
    & skf18("8","1","7","1","9","7","1") = "8"
    & skf18("8","1","7","1","9","8","1") = "8"
    & skf18("8","1","7","1","9","9","1") = "8"
    & skf18("8","1","7","1","9","10","1") = "9"
    & skf18("8","1","7","1","10","1","1") = "9"
    & skf18("8","1","7","1","10","2","1") = "9"
    & skf18("8","1","7","1","10","3","1") = "9"
    & skf18("8","1","7","1","10","4","1") = "9"
    & skf18("8","1","7","1","10","5","1") = "9"
    & skf18("8","1","7","1","10","6","1") = "9"
    & skf18("8","1","7","1","10","7","1") = "9"
    & skf18("8","1","7","1","10","8","1") = "9"
    & skf18("8","1","7","1","10","9","1") = "9"
    & skf18("8","1","7","1","10","10","1") = "9"
    & skf18("8","1","7","2","1","1","1") = "7"
    & skf18("8","1","7","2","1","2","1") = "7"
    & skf18("8","1","7","2","1","3","1") = "7"
    & skf18("8","1","7","2","1","4","1") = "7"
    & skf18("8","1","7","2","1","5","1") = "7"
    & skf18("8","1","7","2","1","6","1") = "7"
    & skf18("8","1","7","2","1","7","1") = "7"
    & skf18("8","1","7","2","1","8","1") = "7"
    & skf18("8","1","7","2","1","9","1") = "8"
    & skf18("8","1","7","2","1","10","1") = "9"
    & skf18("8","1","7","2","2","1","1") = "7"
    & skf18("8","1","7","2","2","2","1") = "7"
    & skf18("8","1","7","2","2","3","1") = "7"
    & skf18("8","1","7","2","2","4","1") = "7"
    & skf18("8","1","7","2","2","5","1") = "7"
    & skf18("8","1","7","2","2","6","1") = "7"
    & skf18("8","1","7","2","2","7","1") = "7"
    & skf18("8","1","7","2","2","8","1") = "7"
    & skf18("8","1","7","2","2","9","1") = "8"
    & skf18("8","1","7","2","2","10","1") = "9"
    & skf18("8","1","7","2","3","1","1") = "7"
    & skf18("8","1","7","2","3","2","1") = "7"
    & skf18("8","1","7","2","3","3","1") = "7"
    & skf18("8","1","7","2","3","4","1") = "7"
    & skf18("8","1","7","2","3","5","1") = "7"
    & skf18("8","1","7","2","3","6","1") = "7"
    & skf18("8","1","7","2","3","7","1") = "7"
    & skf18("8","1","7","2","3","8","1") = "7"
    & skf18("8","1","7","2","3","9","1") = "8"
    & skf18("8","1","7","2","3","10","1") = "9"
    & skf18("8","1","7","2","4","1","1") = "7"
    & skf18("8","1","7","2","4","2","1") = "7"
    & skf18("8","1","7","2","4","3","1") = "7"
    & skf18("8","1","7","2","4","4","1") = "7"
    & skf18("8","1","7","2","4","5","1") = "7"
    & skf18("8","1","7","2","4","6","1") = "7"
    & skf18("8","1","7","2","4","7","1") = "7"
    & skf18("8","1","7","2","4","8","1") = "7"
    & skf18("8","1","7","2","4","9","1") = "8"
    & skf18("8","1","7","2","4","10","1") = "9"
    & skf18("8","1","7","2","5","1","1") = "7"
    & skf18("8","1","7","2","5","2","1") = "7"
    & skf18("8","1","7","2","5","3","1") = "7"
    & skf18("8","1","7","2","5","4","1") = "7"
    & skf18("8","1","7","2","5","5","1") = "7"
    & skf18("8","1","7","2","5","6","1") = "7"
    & skf18("8","1","7","2","5","7","1") = "7"
    & skf18("8","1","7","2","5","8","1") = "7"
    & skf18("8","1","7","2","5","9","1") = "8"
    & skf18("8","1","7","2","5","10","1") = "9"
    & skf18("8","1","7","2","6","1","1") = "7"
    & skf18("8","1","7","2","6","2","1") = "7"
    & skf18("8","1","7","2","6","3","1") = "7"
    & skf18("8","1","7","2","6","4","1") = "7"
    & skf18("8","1","7","2","6","5","1") = "7"
    & skf18("8","1","7","2","6","6","1") = "7"
    & skf18("8","1","7","2","6","7","1") = "7"
    & skf18("8","1","7","2","6","8","1") = "7"
    & skf18("8","1","7","2","6","9","1") = "8"
    & skf18("8","1","7","2","6","10","1") = "9"
    & skf18("8","1","7","2","7","1","1") = "7"
    & skf18("8","1","7","2","7","2","1") = "7"
    & skf18("8","1","7","2","7","3","1") = "7"
    & skf18("8","1","7","2","7","4","1") = "7"
    & skf18("8","1","7","2","7","5","1") = "7"
    & skf18("8","1","7","2","7","6","1") = "7"
    & skf18("8","1","7","2","7","7","1") = "7"
    & skf18("8","1","7","2","7","8","1") = "7"
    & skf18("8","1","7","2","7","9","1") = "8"
    & skf18("8","1","7","2","7","10","1") = "9"
    & skf18("8","1","7","2","8","1","1") = "7"
    & skf18("8","1","7","2","8","2","1") = "7"
    & skf18("8","1","7","2","8","3","1") = "7"
    & skf18("8","1","7","2","8","4","1") = "7"
    & skf18("8","1","7","2","8","5","1") = "7"
    & skf18("8","1","7","2","8","6","1") = "7"
    & skf18("8","1","7","2","8","7","1") = "7"
    & skf18("8","1","7","2","8","8","1") = "7"
    & skf18("8","1","7","2","8","9","1") = "8"
    & skf18("8","1","7","2","8","10","1") = "9"
    & skf18("8","1","7","2","9","1","1") = "8"
    & skf18("8","1","7","2","9","2","1") = "8"
    & skf18("8","1","7","2","9","3","1") = "8"
    & skf18("8","1","7","2","9","4","1") = "8"
    & skf18("8","1","7","2","9","5","1") = "8"
    & skf18("8","1","7","2","9","6","1") = "8"
    & skf18("8","1","7","2","9","7","1") = "8"
    & skf18("8","1","7","2","9","8","1") = "8"
    & skf18("8","1","7","2","9","9","1") = "8"
    & skf18("8","1","7","2","9","10","1") = "9"
    & skf18("8","1","7","2","10","1","1") = "9"
    & skf18("8","1","7","2","10","2","1") = "9"
    & skf18("8","1","7","2","10","3","1") = "9"
    & skf18("8","1","7","2","10","4","1") = "9"
    & skf18("8","1","7","2","10","5","1") = "9"
    & skf18("8","1","7","2","10","6","1") = "9"
    & skf18("8","1","7","2","10","7","1") = "9"
    & skf18("8","1","7","2","10","8","1") = "9"
    & skf18("8","1","7","2","10","9","1") = "9"
    & skf18("8","1","7","2","10","10","1") = "9"
    & skf18("8","1","7","3","1","1","1") = "7"
    & skf18("8","1","7","3","1","2","1") = "7"
    & skf18("8","1","7","3","1","3","1") = "7"
    & skf18("8","1","7","3","1","4","1") = "7"
    & skf18("8","1","7","3","1","5","1") = "7"
    & skf18("8","1","7","3","1","6","1") = "7"
    & skf18("8","1","7","3","1","7","1") = "7"
    & skf18("8","1","7","3","1","8","1") = "7"
    & skf18("8","1","7","3","1","9","1") = "8"
    & skf18("8","1","7","3","1","10","1") = "9"
    & skf18("8","1","7","3","2","1","1") = "7"
    & skf18("8","1","7","3","2","2","1") = "7"
    & skf18("8","1","7","3","2","3","1") = "7"
    & skf18("8","1","7","3","2","4","1") = "7"
    & skf18("8","1","7","3","2","5","1") = "7"
    & skf18("8","1","7","3","2","6","1") = "7"
    & skf18("8","1","7","3","2","7","1") = "7"
    & skf18("8","1","7","3","2","8","1") = "7"
    & skf18("8","1","7","3","2","9","1") = "8"
    & skf18("8","1","7","3","2","10","1") = "9"
    & skf18("8","1","7","3","3","1","1") = "7"
    & skf18("8","1","7","3","3","2","1") = "7"
    & skf18("8","1","7","3","3","3","1") = "7"
    & skf18("8","1","7","3","3","4","1") = "7"
    & skf18("8","1","7","3","3","5","1") = "7"
    & skf18("8","1","7","3","3","6","1") = "7"
    & skf18("8","1","7","3","3","7","1") = "7"
    & skf18("8","1","7","3","3","8","1") = "7"
    & skf18("8","1","7","3","3","9","1") = "8"
    & skf18("8","1","7","3","3","10","1") = "9"
    & skf18("8","1","7","3","4","1","1") = "7"
    & skf18("8","1","7","3","4","2","1") = "7"
    & skf18("8","1","7","3","4","3","1") = "7"
    & skf18("8","1","7","3","4","4","1") = "7"
    & skf18("8","1","7","3","4","5","1") = "7"
    & skf18("8","1","7","3","4","6","1") = "7"
    & skf18("8","1","7","3","4","7","1") = "7"
    & skf18("8","1","7","3","4","8","1") = "7"
    & skf18("8","1","7","3","4","9","1") = "8"
    & skf18("8","1","7","3","4","10","1") = "9"
    & skf18("8","1","7","3","5","1","1") = "7"
    & skf18("8","1","7","3","5","2","1") = "7"
    & skf18("8","1","7","3","5","3","1") = "7"
    & skf18("8","1","7","3","5","4","1") = "7"
    & skf18("8","1","7","3","5","5","1") = "7"
    & skf18("8","1","7","3","5","6","1") = "7"
    & skf18("8","1","7","3","5","7","1") = "7"
    & skf18("8","1","7","3","5","8","1") = "7"
    & skf18("8","1","7","3","5","9","1") = "8"
    & skf18("8","1","7","3","5","10","1") = "9"
    & skf18("8","1","7","3","6","1","1") = "7"
    & skf18("8","1","7","3","6","2","1") = "7"
    & skf18("8","1","7","3","6","3","1") = "7"
    & skf18("8","1","7","3","6","4","1") = "7"
    & skf18("8","1","7","3","6","5","1") = "7"
    & skf18("8","1","7","3","6","6","1") = "7"
    & skf18("8","1","7","3","6","7","1") = "7"
    & skf18("8","1","7","3","6","8","1") = "7"
    & skf18("8","1","7","3","6","9","1") = "8"
    & skf18("8","1","7","3","6","10","1") = "9"
    & skf18("8","1","7","3","7","1","1") = "7"
    & skf18("8","1","7","3","7","2","1") = "7"
    & skf18("8","1","7","3","7","3","1") = "7"
    & skf18("8","1","7","3","7","4","1") = "7"
    & skf18("8","1","7","3","7","5","1") = "7"
    & skf18("8","1","7","3","7","6","1") = "7"
    & skf18("8","1","7","3","7","7","1") = "7"
    & skf18("8","1","7","3","7","8","1") = "7"
    & skf18("8","1","7","3","7","9","1") = "8"
    & skf18("8","1","7","3","7","10","1") = "9"
    & skf18("8","1","7","3","8","1","1") = "7"
    & skf18("8","1","7","3","8","2","1") = "7"
    & skf18("8","1","7","3","8","3","1") = "7"
    & skf18("8","1","7","3","8","4","1") = "7"
    & skf18("8","1","7","3","8","5","1") = "7"
    & skf18("8","1","7","3","8","6","1") = "7"
    & skf18("8","1","7","3","8","7","1") = "7"
    & skf18("8","1","7","3","8","8","1") = "7"
    & skf18("8","1","7","3","8","9","1") = "8"
    & skf18("8","1","7","3","8","10","1") = "9"
    & skf18("8","1","7","3","9","1","1") = "8"
    & skf18("8","1","7","3","9","2","1") = "8"
    & skf18("8","1","7","3","9","3","1") = "8"
    & skf18("8","1","7","3","9","4","1") = "8"
    & skf18("8","1","7","3","9","5","1") = "8"
    & skf18("8","1","7","3","9","6","1") = "8"
    & skf18("8","1","7","3","9","7","1") = "8"
    & skf18("8","1","7","3","9","8","1") = "8"
    & skf18("8","1","7","3","9","9","1") = "8"
    & skf18("8","1","7","3","9","10","1") = "9"
    & skf18("8","1","7","3","10","1","1") = "9"
    & skf18("8","1","7","3","10","2","1") = "9"
    & skf18("8","1","7","3","10","3","1") = "9"
    & skf18("8","1","7","3","10","4","1") = "9"
    & skf18("8","1","7","3","10","5","1") = "9"
    & skf18("8","1","7","3","10","6","1") = "9"
    & skf18("8","1","7","3","10","7","1") = "9"
    & skf18("8","1","7","3","10","8","1") = "9"
    & skf18("8","1","7","3","10","9","1") = "9"
    & skf18("8","1","7","3","10","10","1") = "9"
    & skf18("8","1","7","4","1","1","1") = "7"
    & skf18("8","1","7","4","1","2","1") = "7"
    & skf18("8","1","7","4","1","3","1") = "7"
    & skf18("8","1","7","4","1","4","1") = "7"
    & skf18("8","1","7","4","1","5","1") = "7"
    & skf18("8","1","7","4","1","6","1") = "7"
    & skf18("8","1","7","4","1","7","1") = "7"
    & skf18("8","1","7","4","1","8","1") = "7"
    & skf18("8","1","7","4","1","9","1") = "8"
    & skf18("8","1","7","4","1","10","1") = "9"
    & skf18("8","1","7","4","2","1","1") = "7"
    & skf18("8","1","7","4","2","2","1") = "7"
    & skf18("8","1","7","4","2","3","1") = "7"
    & skf18("8","1","7","4","2","4","1") = "7"
    & skf18("8","1","7","4","2","5","1") = "7"
    & skf18("8","1","7","4","2","6","1") = "7"
    & skf18("8","1","7","4","2","7","1") = "7"
    & skf18("8","1","7","4","2","8","1") = "7"
    & skf18("8","1","7","4","2","9","1") = "8"
    & skf18("8","1","7","4","2","10","1") = "9"
    & skf18("8","1","7","4","3","1","1") = "7"
    & skf18("8","1","7","4","3","2","1") = "7"
    & skf18("8","1","7","4","3","3","1") = "7"
    & skf18("8","1","7","4","3","4","1") = "7"
    & skf18("8","1","7","4","3","5","1") = "7"
    & skf18("8","1","7","4","3","6","1") = "7"
    & skf18("8","1","7","4","3","7","1") = "7"
    & skf18("8","1","7","4","3","8","1") = "7"
    & skf18("8","1","7","4","3","9","1") = "8"
    & skf18("8","1","7","4","3","10","1") = "9"
    & skf18("8","1","7","4","4","1","1") = "7"
    & skf18("8","1","7","4","4","2","1") = "7"
    & skf18("8","1","7","4","4","3","1") = "7"
    & skf18("8","1","7","4","4","4","1") = "7"
    & skf18("8","1","7","4","4","5","1") = "7"
    & skf18("8","1","7","4","4","6","1") = "7"
    & skf18("8","1","7","4","4","7","1") = "7"
    & skf18("8","1","7","4","4","8","1") = "7"
    & skf18("8","1","7","4","4","9","1") = "8"
    & skf18("8","1","7","4","4","10","1") = "9"
    & skf18("8","1","7","4","5","1","1") = "7"
    & skf18("8","1","7","4","5","2","1") = "7"
    & skf18("8","1","7","4","5","3","1") = "7"
    & skf18("8","1","7","4","5","4","1") = "7"
    & skf18("8","1","7","4","5","5","1") = "7"
    & skf18("8","1","7","4","5","6","1") = "7"
    & skf18("8","1","7","4","5","7","1") = "7"
    & skf18("8","1","7","4","5","8","1") = "7"
    & skf18("8","1","7","4","5","9","1") = "8"
    & skf18("8","1","7","4","5","10","1") = "9"
    & skf18("8","1","7","4","6","1","1") = "7"
    & skf18("8","1","7","4","6","2","1") = "7"
    & skf18("8","1","7","4","6","3","1") = "7"
    & skf18("8","1","7","4","6","4","1") = "7"
    & skf18("8","1","7","4","6","5","1") = "7"
    & skf18("8","1","7","4","6","6","1") = "7"
    & skf18("8","1","7","4","6","7","1") = "7"
    & skf18("8","1","7","4","6","8","1") = "7"
    & skf18("8","1","7","4","6","9","1") = "8"
    & skf18("8","1","7","4","6","10","1") = "9"
    & skf18("8","1","7","4","7","1","1") = "7"
    & skf18("8","1","7","4","7","2","1") = "7"
    & skf18("8","1","7","4","7","3","1") = "7"
    & skf18("8","1","7","4","7","4","1") = "7"
    & skf18("8","1","7","4","7","5","1") = "7"
    & skf18("8","1","7","4","7","6","1") = "7"
    & skf18("8","1","7","4","7","7","1") = "7"
    & skf18("8","1","7","4","7","8","1") = "7"
    & skf18("8","1","7","4","7","9","1") = "8"
    & skf18("8","1","7","4","7","10","1") = "9"
    & skf18("8","1","7","4","8","1","1") = "7"
    & skf18("8","1","7","4","8","2","1") = "7"
    & skf18("8","1","7","4","8","3","1") = "7"
    & skf18("8","1","7","4","8","4","1") = "7"
    & skf18("8","1","7","4","8","5","1") = "7"
    & skf18("8","1","7","4","8","6","1") = "7"
    & skf18("8","1","7","4","8","7","1") = "7"
    & skf18("8","1","7","4","8","8","1") = "7"
    & skf18("8","1","7","4","8","9","1") = "8"
    & skf18("8","1","7","4","8","10","1") = "9"
    & skf18("8","1","7","4","9","1","1") = "8"
    & skf18("8","1","7","4","9","2","1") = "8"
    & skf18("8","1","7","4","9","3","1") = "8"
    & skf18("8","1","7","4","9","4","1") = "8"
    & skf18("8","1","7","4","9","5","1") = "8"
    & skf18("8","1","7","4","9","6","1") = "8"
    & skf18("8","1","7","4","9","7","1") = "8"
    & skf18("8","1","7","4","9","8","1") = "8"
    & skf18("8","1","7","4","9","9","1") = "8"
    & skf18("8","1","7","4","9","10","1") = "9"
    & skf18("8","1","7","4","10","1","1") = "9"
    & skf18("8","1","7","4","10","2","1") = "9"
    & skf18("8","1","7","4","10","3","1") = "9"
    & skf18("8","1","7","4","10","4","1") = "9"
    & skf18("8","1","7","4","10","5","1") = "9"
    & skf18("8","1","7","4","10","6","1") = "9"
    & skf18("8","1","7","4","10","7","1") = "9"
    & skf18("8","1","7","4","10","8","1") = "9"
    & skf18("8","1","7","4","10","9","1") = "9"
    & skf18("8","1","7","4","10","10","1") = "9"
    & skf18("8","1","7","5","1","1","1") = "7"
    & skf18("8","1","7","5","1","2","1") = "7"
    & skf18("8","1","7","5","1","3","1") = "7"
    & skf18("8","1","7","5","1","4","1") = "7"
    & skf18("8","1","7","5","1","5","1") = "7"
    & skf18("8","1","7","5","1","6","1") = "7"
    & skf18("8","1","7","5","1","7","1") = "7"
    & skf18("8","1","7","5","1","8","1") = "7"
    & skf18("8","1","7","5","1","9","1") = "8"
    & skf18("8","1","7","5","1","10","1") = "9"
    & skf18("8","1","7","5","2","1","1") = "7"
    & skf18("8","1","7","5","2","2","1") = "7"
    & skf18("8","1","7","5","2","3","1") = "7"
    & skf18("8","1","7","5","2","4","1") = "7"
    & skf18("8","1","7","5","2","5","1") = "7"
    & skf18("8","1","7","5","2","6","1") = "7"
    & skf18("8","1","7","5","2","7","1") = "7"
    & skf18("8","1","7","5","2","8","1") = "7"
    & skf18("8","1","7","5","2","9","1") = "8"
    & skf18("8","1","7","5","2","10","1") = "9"
    & skf18("8","1","7","5","3","1","1") = "7"
    & skf18("8","1","7","5","3","2","1") = "7"
    & skf18("8","1","7","5","3","3","1") = "7"
    & skf18("8","1","7","5","3","4","1") = "7"
    & skf18("8","1","7","5","3","5","1") = "7"
    & skf18("8","1","7","5","3","6","1") = "7"
    & skf18("8","1","7","5","3","7","1") = "7"
    & skf18("8","1","7","5","3","8","1") = "7"
    & skf18("8","1","7","5","3","9","1") = "8"
    & skf18("8","1","7","5","3","10","1") = "9"
    & skf18("8","1","7","5","4","1","1") = "7"
    & skf18("8","1","7","5","4","2","1") = "7"
    & skf18("8","1","7","5","4","3","1") = "7"
    & skf18("8","1","7","5","4","4","1") = "7"
    & skf18("8","1","7","5","4","5","1") = "7"
    & skf18("8","1","7","5","4","6","1") = "7"
    & skf18("8","1","7","5","4","7","1") = "7"
    & skf18("8","1","7","5","4","8","1") = "7"
    & skf18("8","1","7","5","4","9","1") = "8"
    & skf18("8","1","7","5","4","10","1") = "9"
    & skf18("8","1","7","5","5","1","1") = "7"
    & skf18("8","1","7","5","5","2","1") = "7"
    & skf18("8","1","7","5","5","3","1") = "7"
    & skf18("8","1","7","5","5","4","1") = "7"
    & skf18("8","1","7","5","5","5","1") = "7"
    & skf18("8","1","7","5","5","6","1") = "7"
    & skf18("8","1","7","5","5","7","1") = "7"
    & skf18("8","1","7","5","5","8","1") = "7"
    & skf18("8","1","7","5","5","9","1") = "8"
    & skf18("8","1","7","5","5","10","1") = "9"
    & skf18("8","1","7","5","6","1","1") = "7"
    & skf18("8","1","7","5","6","2","1") = "7"
    & skf18("8","1","7","5","6","3","1") = "7"
    & skf18("8","1","7","5","6","4","1") = "7"
    & skf18("8","1","7","5","6","5","1") = "7"
    & skf18("8","1","7","5","6","6","1") = "7"
    & skf18("8","1","7","5","6","7","1") = "7"
    & skf18("8","1","7","5","6","8","1") = "7"
    & skf18("8","1","7","5","6","9","1") = "8"
    & skf18("8","1","7","5","6","10","1") = "9"
    & skf18("8","1","7","5","7","1","1") = "7"
    & skf18("8","1","7","5","7","2","1") = "7"
    & skf18("8","1","7","5","7","3","1") = "7"
    & skf18("8","1","7","5","7","4","1") = "7"
    & skf18("8","1","7","5","7","5","1") = "7"
    & skf18("8","1","7","5","7","6","1") = "7"
    & skf18("8","1","7","5","7","7","1") = "7"
    & skf18("8","1","7","5","7","8","1") = "7"
    & skf18("8","1","7","5","7","9","1") = "8"
    & skf18("8","1","7","5","7","10","1") = "9"
    & skf18("8","1","7","5","8","1","1") = "7"
    & skf18("8","1","7","5","8","2","1") = "7"
    & skf18("8","1","7","5","8","3","1") = "7"
    & skf18("8","1","7","5","8","4","1") = "7"
    & skf18("8","1","7","5","8","5","1") = "7"
    & skf18("8","1","7","5","8","6","1") = "7"
    & skf18("8","1","7","5","8","7","1") = "7"
    & skf18("8","1","7","5","8","8","1") = "7"
    & skf18("8","1","7","5","8","9","1") = "8"
    & skf18("8","1","7","5","8","10","1") = "9"
    & skf18("8","1","7","5","9","1","1") = "8"
    & skf18("8","1","7","5","9","2","1") = "8"
    & skf18("8","1","7","5","9","3","1") = "8"
    & skf18("8","1","7","5","9","4","1") = "8"
    & skf18("8","1","7","5","9","5","1") = "8"
    & skf18("8","1","7","5","9","6","1") = "8"
    & skf18("8","1","7","5","9","7","1") = "8"
    & skf18("8","1","7","5","9","8","1") = "8"
    & skf18("8","1","7","5","9","9","1") = "8"
    & skf18("8","1","7","5","9","10","1") = "9"
    & skf18("8","1","7","5","10","1","1") = "9"
    & skf18("8","1","7","5","10","2","1") = "9"
    & skf18("8","1","7","5","10","3","1") = "9"
    & skf18("8","1","7","5","10","4","1") = "9"
    & skf18("8","1","7","5","10","5","1") = "9"
    & skf18("8","1","7","5","10","6","1") = "9"
    & skf18("8","1","7","5","10","7","1") = "9"
    & skf18("8","1","7","5","10","8","1") = "9"
    & skf18("8","1","7","5","10","9","1") = "9"
    & skf18("8","1","7","5","10","10","1") = "9"
    & skf18("8","1","7","6","1","1","1") = "7"
    & skf18("8","1","7","6","1","2","1") = "7"
    & skf18("8","1","7","6","1","3","1") = "7"
    & skf18("8","1","7","6","1","4","1") = "7"
    & skf18("8","1","7","6","1","5","1") = "7"
    & skf18("8","1","7","6","1","6","1") = "7"
    & skf18("8","1","7","6","1","7","1") = "7"
    & skf18("8","1","7","6","1","8","1") = "7"
    & skf18("8","1","7","6","1","9","1") = "8"
    & skf18("8","1","7","6","1","10","1") = "9"
    & skf18("8","1","7","6","2","1","1") = "7"
    & skf18("8","1","7","6","2","2","1") = "7"
    & skf18("8","1","7","6","2","3","1") = "7"
    & skf18("8","1","7","6","2","4","1") = "7"
    & skf18("8","1","7","6","2","5","1") = "7"
    & skf18("8","1","7","6","2","6","1") = "7"
    & skf18("8","1","7","6","2","7","1") = "7"
    & skf18("8","1","7","6","2","8","1") = "7"
    & skf18("8","1","7","6","2","9","1") = "8"
    & skf18("8","1","7","6","2","10","1") = "9"
    & skf18("8","1","7","6","3","1","1") = "7"
    & skf18("8","1","7","6","3","2","1") = "7"
    & skf18("8","1","7","6","3","3","1") = "7"
    & skf18("8","1","7","6","3","4","1") = "7"
    & skf18("8","1","7","6","3","5","1") = "7"
    & skf18("8","1","7","6","3","6","1") = "7"
    & skf18("8","1","7","6","3","7","1") = "7"
    & skf18("8","1","7","6","3","8","1") = "7"
    & skf18("8","1","7","6","3","9","1") = "8"
    & skf18("8","1","7","6","3","10","1") = "9"
    & skf18("8","1","7","6","4","1","1") = "7"
    & skf18("8","1","7","6","4","2","1") = "7"
    & skf18("8","1","7","6","4","3","1") = "7"
    & skf18("8","1","7","6","4","4","1") = "7"
    & skf18("8","1","7","6","4","5","1") = "7"
    & skf18("8","1","7","6","4","6","1") = "7"
    & skf18("8","1","7","6","4","7","1") = "7"
    & skf18("8","1","7","6","4","8","1") = "7"
    & skf18("8","1","7","6","4","9","1") = "8"
    & skf18("8","1","7","6","4","10","1") = "9"
    & skf18("8","1","7","6","5","1","1") = "7"
    & skf18("8","1","7","6","5","2","1") = "7"
    & skf18("8","1","7","6","5","3","1") = "7"
    & skf18("8","1","7","6","5","4","1") = "7"
    & skf18("8","1","7","6","5","5","1") = "7"
    & skf18("8","1","7","6","5","6","1") = "7"
    & skf18("8","1","7","6","5","7","1") = "7"
    & skf18("8","1","7","6","5","8","1") = "7"
    & skf18("8","1","7","6","5","9","1") = "8"
    & skf18("8","1","7","6","5","10","1") = "9"
    & skf18("8","1","7","6","6","1","1") = "7"
    & skf18("8","1","7","6","6","2","1") = "7"
    & skf18("8","1","7","6","6","3","1") = "7"
    & skf18("8","1","7","6","6","4","1") = "7"
    & skf18("8","1","7","6","6","5","1") = "7"
    & skf18("8","1","7","6","6","6","1") = "7"
    & skf18("8","1","7","6","6","7","1") = "7"
    & skf18("8","1","7","6","6","8","1") = "7"
    & skf18("8","1","7","6","6","9","1") = "8"
    & skf18("8","1","7","6","6","10","1") = "9"
    & skf18("8","1","7","6","7","1","1") = "7"
    & skf18("8","1","7","6","7","2","1") = "7"
    & skf18("8","1","7","6","7","3","1") = "7"
    & skf18("8","1","7","6","7","4","1") = "7"
    & skf18("8","1","7","6","7","5","1") = "7"
    & skf18("8","1","7","6","7","6","1") = "7"
    & skf18("8","1","7","6","7","7","1") = "7"
    & skf18("8","1","7","6","7","8","1") = "7"
    & skf18("8","1","7","6","7","9","1") = "8"
    & skf18("8","1","7","6","7","10","1") = "9"
    & skf18("8","1","7","6","8","1","1") = "7"
    & skf18("8","1","7","6","8","2","1") = "7"
    & skf18("8","1","7","6","8","3","1") = "7"
    & skf18("8","1","7","6","8","4","1") = "7"
    & skf18("8","1","7","6","8","5","1") = "7"
    & skf18("8","1","7","6","8","6","1") = "7"
    & skf18("8","1","7","6","8","7","1") = "7"
    & skf18("8","1","7","6","8","8","1") = "7"
    & skf18("8","1","7","6","8","9","1") = "8"
    & skf18("8","1","7","6","8","10","1") = "9"
    & skf18("8","1","7","6","9","1","1") = "8"
    & skf18("8","1","7","6","9","2","1") = "8"
    & skf18("8","1","7","6","9","3","1") = "8"
    & skf18("8","1","7","6","9","4","1") = "8"
    & skf18("8","1","7","6","9","5","1") = "8"
    & skf18("8","1","7","6","9","6","1") = "8"
    & skf18("8","1","7","6","9","7","1") = "8"
    & skf18("8","1","7","6","9","8","1") = "8"
    & skf18("8","1","7","6","9","9","1") = "8"
    & skf18("8","1","7","6","9","10","1") = "9"
    & skf18("8","1","7","6","10","1","1") = "9"
    & skf18("8","1","7","6","10","2","1") = "9"
    & skf18("8","1","7","6","10","3","1") = "9"
    & skf18("8","1","7","6","10","4","1") = "9"
    & skf18("8","1","7","6","10","5","1") = "9"
    & skf18("8","1","7","6","10","6","1") = "9"
    & skf18("8","1","7","6","10","7","1") = "9"
    & skf18("8","1","7","6","10","8","1") = "9"
    & skf18("8","1","7","6","10","9","1") = "9"
    & skf18("8","1","7","6","10","10","1") = "9"
    & skf18("8","1","7","7","1","1","1") = "7"
    & skf18("8","1","7","7","1","2","1") = "7"
    & skf18("8","1","7","7","1","3","1") = "7"
    & skf18("8","1","7","7","1","4","1") = "7"
    & skf18("8","1","7","7","1","5","1") = "7"
    & skf18("8","1","7","7","1","6","1") = "7"
    & skf18("8","1","7","7","1","7","1") = "7"
    & skf18("8","1","7","7","1","8","1") = "7"
    & skf18("8","1","7","7","1","9","1") = "8"
    & skf18("8","1","7","7","1","10","1") = "9"
    & skf18("8","1","7","7","2","1","1") = "7"
    & skf18("8","1","7","7","2","2","1") = "7"
    & skf18("8","1","7","7","2","3","1") = "7"
    & skf18("8","1","7","7","2","4","1") = "7"
    & skf18("8","1","7","7","2","5","1") = "7"
    & skf18("8","1","7","7","2","6","1") = "7"
    & skf18("8","1","7","7","2","7","1") = "7"
    & skf18("8","1","7","7","2","8","1") = "7"
    & skf18("8","1","7","7","2","9","1") = "8"
    & skf18("8","1","7","7","2","10","1") = "9"
    & skf18("8","1","7","7","3","1","1") = "7"
    & skf18("8","1","7","7","3","2","1") = "7"
    & skf18("8","1","7","7","3","3","1") = "7"
    & skf18("8","1","7","7","3","4","1") = "7"
    & skf18("8","1","7","7","3","5","1") = "7"
    & skf18("8","1","7","7","3","6","1") = "7"
    & skf18("8","1","7","7","3","7","1") = "7"
    & skf18("8","1","7","7","3","8","1") = "7"
    & skf18("8","1","7","7","3","9","1") = "8"
    & skf18("8","1","7","7","3","10","1") = "9"
    & skf18("8","1","7","7","4","1","1") = "7"
    & skf18("8","1","7","7","4","2","1") = "7"
    & skf18("8","1","7","7","4","3","1") = "7"
    & skf18("8","1","7","7","4","4","1") = "7"
    & skf18("8","1","7","7","4","5","1") = "7"
    & skf18("8","1","7","7","4","6","1") = "7"
    & skf18("8","1","7","7","4","7","1") = "7"
    & skf18("8","1","7","7","4","8","1") = "7"
    & skf18("8","1","7","7","4","9","1") = "8"
    & skf18("8","1","7","7","4","10","1") = "9"
    & skf18("8","1","7","7","5","1","1") = "7"
    & skf18("8","1","7","7","5","2","1") = "7"
    & skf18("8","1","7","7","5","3","1") = "7"
    & skf18("8","1","7","7","5","4","1") = "7"
    & skf18("8","1","7","7","5","5","1") = "7"
    & skf18("8","1","7","7","5","6","1") = "7"
    & skf18("8","1","7","7","5","7","1") = "7"
    & skf18("8","1","7","7","5","8","1") = "7"
    & skf18("8","1","7","7","5","9","1") = "8"
    & skf18("8","1","7","7","5","10","1") = "9"
    & skf18("8","1","7","7","6","1","1") = "7"
    & skf18("8","1","7","7","6","2","1") = "7"
    & skf18("8","1","7","7","6","3","1") = "7"
    & skf18("8","1","7","7","6","4","1") = "7"
    & skf18("8","1","7","7","6","5","1") = "7"
    & skf18("8","1","7","7","6","6","1") = "7"
    & skf18("8","1","7","7","6","7","1") = "7"
    & skf18("8","1","7","7","6","8","1") = "7"
    & skf18("8","1","7","7","6","9","1") = "8"
    & skf18("8","1","7","7","6","10","1") = "9"
    & skf18("8","1","7","7","7","1","1") = "7"
    & skf18("8","1","7","7","7","2","1") = "7"
    & skf18("8","1","7","7","7","3","1") = "7"
    & skf18("8","1","7","7","7","4","1") = "7"
    & skf18("8","1","7","7","7","5","1") = "7"
    & skf18("8","1","7","7","7","6","1") = "7"
    & skf18("8","1","7","7","7","7","1") = "7"
    & skf18("8","1","7","7","7","8","1") = "7"
    & skf18("8","1","7","7","7","9","1") = "8"
    & skf18("8","1","7","7","7","10","1") = "9"
    & skf18("8","1","7","7","8","1","1") = "7"
    & skf18("8","1","7","7","8","2","1") = "7"
    & skf18("8","1","7","7","8","3","1") = "7"
    & skf18("8","1","7","7","8","4","1") = "7"
    & skf18("8","1","7","7","8","5","1") = "7"
    & skf18("8","1","7","7","8","6","1") = "7"
    & skf18("8","1","7","7","8","7","1") = "7"
    & skf18("8","1","7","7","8","8","1") = "7"
    & skf18("8","1","7","7","8","9","1") = "8"
    & skf18("8","1","7","7","8","10","1") = "9"
    & skf18("8","1","7","7","9","1","1") = "8"
    & skf18("8","1","7","7","9","2","1") = "8"
    & skf18("8","1","7","7","9","3","1") = "8"
    & skf18("8","1","7","7","9","4","1") = "8"
    & skf18("8","1","7","7","9","5","1") = "8"
    & skf18("8","1","7","7","9","6","1") = "8"
    & skf18("8","1","7","7","9","7","1") = "8"
    & skf18("8","1","7","7","9","8","1") = "8"
    & skf18("8","1","7","7","9","9","1") = "8"
    & skf18("8","1","7","7","9","10","1") = "9"
    & skf18("8","1","7","7","10","1","1") = "9"
    & skf18("8","1","7","7","10","2","1") = "9"
    & skf18("8","1","7","7","10","3","1") = "9"
    & skf18("8","1","7","7","10","4","1") = "9"
    & skf18("8","1","7","7","10","5","1") = "9"
    & skf18("8","1","7","7","10","6","1") = "9"
    & skf18("8","1","7","7","10","7","1") = "9"
    & skf18("8","1","7","7","10","8","1") = "9"
    & skf18("8","1","7","7","10","9","1") = "9"
    & skf18("8","1","7","7","10","10","1") = "9"
    & skf18("8","1","7","8","1","1","1") = "7"
    & skf18("8","1","7","8","1","2","1") = "7"
    & skf18("8","1","7","8","1","3","1") = "7"
    & skf18("8","1","7","8","1","4","1") = "7"
    & skf18("8","1","7","8","1","5","1") = "7"
    & skf18("8","1","7","8","1","6","1") = "7"
    & skf18("8","1","7","8","1","7","1") = "7"
    & skf18("8","1","7","8","1","8","1") = "7"
    & skf18("8","1","7","8","1","9","1") = "8"
    & skf18("8","1","7","8","1","10","1") = "9"
    & skf18("8","1","7","8","2","1","1") = "7"
    & skf18("8","1","7","8","2","2","1") = "7"
    & skf18("8","1","7","8","2","3","1") = "7"
    & skf18("8","1","7","8","2","4","1") = "7"
    & skf18("8","1","7","8","2","5","1") = "7"
    & skf18("8","1","7","8","2","6","1") = "7"
    & skf18("8","1","7","8","2","7","1") = "7"
    & skf18("8","1","7","8","2","8","1") = "7"
    & skf18("8","1","7","8","2","9","1") = "8"
    & skf18("8","1","7","8","2","10","1") = "9"
    & skf18("8","1","7","8","3","1","1") = "7"
    & skf18("8","1","7","8","3","2","1") = "7"
    & skf18("8","1","7","8","3","3","1") = "7"
    & skf18("8","1","7","8","3","4","1") = "7"
    & skf18("8","1","7","8","3","5","1") = "7"
    & skf18("8","1","7","8","3","6","1") = "7"
    & skf18("8","1","7","8","3","7","1") = "7"
    & skf18("8","1","7","8","3","8","1") = "7"
    & skf18("8","1","7","8","3","9","1") = "8"
    & skf18("8","1","7","8","3","10","1") = "9"
    & skf18("8","1","7","8","4","1","1") = "7"
    & skf18("8","1","7","8","4","2","1") = "7"
    & skf18("8","1","7","8","4","3","1") = "7"
    & skf18("8","1","7","8","4","4","1") = "7"
    & skf18("8","1","7","8","4","5","1") = "7"
    & skf18("8","1","7","8","4","6","1") = "7"
    & skf18("8","1","7","8","4","7","1") = "7"
    & skf18("8","1","7","8","4","8","1") = "7"
    & skf18("8","1","7","8","4","9","1") = "8"
    & skf18("8","1","7","8","4","10","1") = "9"
    & skf18("8","1","7","8","5","1","1") = "7"
    & skf18("8","1","7","8","5","2","1") = "7"
    & skf18("8","1","7","8","5","3","1") = "7"
    & skf18("8","1","7","8","5","4","1") = "7"
    & skf18("8","1","7","8","5","5","1") = "7"
    & skf18("8","1","7","8","5","6","1") = "7"
    & skf18("8","1","7","8","5","7","1") = "7"
    & skf18("8","1","7","8","5","8","1") = "7"
    & skf18("8","1","7","8","5","9","1") = "8"
    & skf18("8","1","7","8","5","10","1") = "9"
    & skf18("8","1","7","8","6","1","1") = "7"
    & skf18("8","1","7","8","6","2","1") = "7"
    & skf18("8","1","7","8","6","3","1") = "7"
    & skf18("8","1","7","8","6","4","1") = "7"
    & skf18("8","1","7","8","6","5","1") = "7"
    & skf18("8","1","7","8","6","6","1") = "7"
    & skf18("8","1","7","8","6","7","1") = "7"
    & skf18("8","1","7","8","6","8","1") = "7"
    & skf18("8","1","7","8","6","9","1") = "8"
    & skf18("8","1","7","8","6","10","1") = "9"
    & skf18("8","1","7","8","7","1","1") = "7"
    & skf18("8","1","7","8","7","2","1") = "7"
    & skf18("8","1","7","8","7","3","1") = "7"
    & skf18("8","1","7","8","7","4","1") = "7"
    & skf18("8","1","7","8","7","5","1") = "7"
    & skf18("8","1","7","8","7","6","1") = "7"
    & skf18("8","1","7","8","7","7","1") = "7"
    & skf18("8","1","7","8","7","8","1") = "7"
    & skf18("8","1","7","8","7","9","1") = "8"
    & skf18("8","1","7","8","7","10","1") = "9"
    & skf18("8","1","7","8","8","1","1") = "7"
    & skf18("8","1","7","8","8","2","1") = "7"
    & skf18("8","1","7","8","8","3","1") = "7"
    & skf18("8","1","7","8","8","4","1") = "7"
    & skf18("8","1","7","8","8","5","1") = "7"
    & skf18("8","1","7","8","8","6","1") = "7"
    & skf18("8","1","7","8","8","7","1") = "7"
    & skf18("8","1","7","8","8","8","1") = "7"
    & skf18("8","1","7","8","8","9","1") = "8"
    & skf18("8","1","7","8","8","10","1") = "9"
    & skf18("8","1","7","8","9","1","1") = "8"
    & skf18("8","1","7","8","9","2","1") = "8"
    & skf18("8","1","7","8","9","3","1") = "8"
    & skf18("8","1","7","8","9","4","1") = "8"
    & skf18("8","1","7","8","9","5","1") = "8"
    & skf18("8","1","7","8","9","6","1") = "8"
    & skf18("8","1","7","8","9","7","1") = "8"
    & skf18("8","1","7","8","9","8","1") = "8"
    & skf18("8","1","7","8","9","9","1") = "8"
    & skf18("8","1","7","8","9","10","1") = "9"
    & skf18("8","1","7","8","10","1","1") = "9"
    & skf18("8","1","7","8","10","2","1") = "9"
    & skf18("8","1","7","8","10","3","1") = "9"
    & skf18("8","1","7","8","10","4","1") = "9"
    & skf18("8","1","7","8","10","5","1") = "9"
    & skf18("8","1","7","8","10","6","1") = "9"
    & skf18("8","1","7","8","10","7","1") = "9"
    & skf18("8","1","7","8","10","8","1") = "9"
    & skf18("8","1","7","8","10","9","1") = "9"
    & skf18("8","1","7","8","10","10","1") = "9"
    & skf18("8","1","7","9","1","1","1") = "8"
    & skf18("8","1","7","9","1","2","1") = "8"
    & skf18("8","1","7","9","1","3","1") = "8"
    & skf18("8","1","7","9","1","4","1") = "8"
    & skf18("8","1","7","9","1","5","1") = "8"
    & skf18("8","1","7","9","1","6","1") = "8"
    & skf18("8","1","7","9","1","7","1") = "8"
    & skf18("8","1","7","9","1","8","1") = "8"
    & skf18("8","1","7","9","1","9","1") = "8"
    & skf18("8","1","7","9","1","10","1") = "9"
    & skf18("8","1","7","9","2","1","1") = "8"
    & skf18("8","1","7","9","2","2","1") = "8"
    & skf18("8","1","7","9","2","3","1") = "8"
    & skf18("8","1","7","9","2","4","1") = "8"
    & skf18("8","1","7","9","2","5","1") = "8"
    & skf18("8","1","7","9","2","6","1") = "8"
    & skf18("8","1","7","9","2","7","1") = "8"
    & skf18("8","1","7","9","2","8","1") = "8"
    & skf18("8","1","7","9","2","9","1") = "8"
    & skf18("8","1","7","9","2","10","1") = "9"
    & skf18("8","1","7","9","3","1","1") = "8"
    & skf18("8","1","7","9","3","2","1") = "8"
    & skf18("8","1","7","9","3","3","1") = "8"
    & skf18("8","1","7","9","3","4","1") = "8"
    & skf18("8","1","7","9","3","5","1") = "8"
    & skf18("8","1","7","9","3","6","1") = "8"
    & skf18("8","1","7","9","3","7","1") = "8"
    & skf18("8","1","7","9","3","8","1") = "8"
    & skf18("8","1","7","9","3","9","1") = "8"
    & skf18("8","1","7","9","3","10","1") = "9"
    & skf18("8","1","7","9","4","1","1") = "8"
    & skf18("8","1","7","9","4","2","1") = "8"
    & skf18("8","1","7","9","4","3","1") = "8"
    & skf18("8","1","7","9","4","4","1") = "8"
    & skf18("8","1","7","9","4","5","1") = "8"
    & skf18("8","1","7","9","4","6","1") = "8"
    & skf18("8","1","7","9","4","7","1") = "8"
    & skf18("8","1","7","9","4","8","1") = "8"
    & skf18("8","1","7","9","4","9","1") = "8"
    & skf18("8","1","7","9","4","10","1") = "9"
    & skf18("8","1","7","9","5","1","1") = "8"
    & skf18("8","1","7","9","5","2","1") = "8"
    & skf18("8","1","7","9","5","3","1") = "8"
    & skf18("8","1","7","9","5","4","1") = "8"
    & skf18("8","1","7","9","5","5","1") = "8"
    & skf18("8","1","7","9","5","6","1") = "8"
    & skf18("8","1","7","9","5","7","1") = "8"
    & skf18("8","1","7","9","5","8","1") = "8"
    & skf18("8","1","7","9","5","9","1") = "8"
    & skf18("8","1","7","9","5","10","1") = "9"
    & skf18("8","1","7","9","6","1","1") = "8"
    & skf18("8","1","7","9","6","2","1") = "8"
    & skf18("8","1","7","9","6","3","1") = "8"
    & skf18("8","1","7","9","6","4","1") = "8"
    & skf18("8","1","7","9","6","5","1") = "8"
    & skf18("8","1","7","9","6","6","1") = "8"
    & skf18("8","1","7","9","6","7","1") = "8"
    & skf18("8","1","7","9","6","8","1") = "8"
    & skf18("8","1","7","9","6","9","1") = "8"
    & skf18("8","1","7","9","6","10","1") = "9"
    & skf18("8","1","7","9","7","1","1") = "8"
    & skf18("8","1","7","9","7","2","1") = "8"
    & skf18("8","1","7","9","7","3","1") = "8"
    & skf18("8","1","7","9","7","4","1") = "8"
    & skf18("8","1","7","9","7","5","1") = "8"
    & skf18("8","1","7","9","7","6","1") = "8"
    & skf18("8","1","7","9","7","7","1") = "8"
    & skf18("8","1","7","9","7","8","1") = "8"
    & skf18("8","1","7","9","7","9","1") = "8"
    & skf18("8","1","7","9","7","10","1") = "9"
    & skf18("8","1","7","9","8","1","1") = "8"
    & skf18("8","1","7","9","8","2","1") = "8"
    & skf18("8","1","7","9","8","3","1") = "8"
    & skf18("8","1","7","9","8","4","1") = "8"
    & skf18("8","1","7","9","8","5","1") = "8"
    & skf18("8","1","7","9","8","6","1") = "8"
    & skf18("8","1","7","9","8","7","1") = "8"
    & skf18("8","1","7","9","8","8","1") = "8"
    & skf18("8","1","7","9","8","9","1") = "8"
    & skf18("8","1","7","9","8","10","1") = "9"
    & skf18("8","1","7","9","9","1","1") = "8"
    & skf18("8","1","7","9","9","2","1") = "8"
    & skf18("8","1","7","9","9","3","1") = "8"
    & skf18("8","1","7","9","9","4","1") = "8"
    & skf18("8","1","7","9","9","5","1") = "8"
    & skf18("8","1","7","9","9","6","1") = "8"
    & skf18("8","1","7","9","9","7","1") = "8"
    & skf18("8","1","7","9","9","8","1") = "8"
    & skf18("8","1","7","9","9","9","1") = "8"
    & skf18("8","1","7","9","9","10","1") = "9"
    & skf18("8","1","7","9","10","1","1") = "9"
    & skf18("8","1","7","9","10","2","1") = "9"
    & skf18("8","1","7","9","10","3","1") = "9"
    & skf18("8","1","7","9","10","4","1") = "9"
    & skf18("8","1","7","9","10","5","1") = "9"
    & skf18("8","1","7","9","10","6","1") = "9"
    & skf18("8","1","7","9","10","7","1") = "9"
    & skf18("8","1","7","9","10","8","1") = "9"
    & skf18("8","1","7","9","10","9","1") = "9"
    & skf18("8","1","7","9","10","10","1") = "9"
    & skf18("8","1","7","10","1","1","1") = "9"
    & skf18("8","1","7","10","1","2","1") = "9"
    & skf18("8","1","7","10","1","3","1") = "9"
    & skf18("8","1","7","10","1","4","1") = "9"
    & skf18("8","1","7","10","1","5","1") = "9"
    & skf18("8","1","7","10","1","6","1") = "9"
    & skf18("8","1","7","10","1","7","1") = "9"
    & skf18("8","1","7","10","1","8","1") = "9"
    & skf18("8","1","7","10","1","9","1") = "9"
    & skf18("8","1","7","10","1","10","1") = "9"
    & skf18("8","1","7","10","2","1","1") = "9"
    & skf18("8","1","7","10","2","2","1") = "9"
    & skf18("8","1","7","10","2","3","1") = "9"
    & skf18("8","1","7","10","2","4","1") = "9"
    & skf18("8","1","7","10","2","5","1") = "9"
    & skf18("8","1","7","10","2","6","1") = "9"
    & skf18("8","1","7","10","2","7","1") = "9"
    & skf18("8","1","7","10","2","8","1") = "9"
    & skf18("8","1","7","10","2","9","1") = "9"
    & skf18("8","1","7","10","2","10","1") = "9"
    & skf18("8","1","7","10","3","1","1") = "9"
    & skf18("8","1","7","10","3","2","1") = "9"
    & skf18("8","1","7","10","3","3","1") = "9"
    & skf18("8","1","7","10","3","4","1") = "9"
    & skf18("8","1","7","10","3","5","1") = "9"
    & skf18("8","1","7","10","3","6","1") = "9"
    & skf18("8","1","7","10","3","7","1") = "9"
    & skf18("8","1","7","10","3","8","1") = "9"
    & skf18("8","1","7","10","3","9","1") = "9"
    & skf18("8","1","7","10","3","10","1") = "9"
    & skf18("8","1","7","10","4","1","1") = "9"
    & skf18("8","1","7","10","4","2","1") = "9"
    & skf18("8","1","7","10","4","3","1") = "9"
    & skf18("8","1","7","10","4","4","1") = "9"
    & skf18("8","1","7","10","4","5","1") = "9"
    & skf18("8","1","7","10","4","6","1") = "9"
    & skf18("8","1","7","10","4","7","1") = "9"
    & skf18("8","1","7","10","4","8","1") = "9"
    & skf18("8","1","7","10","4","9","1") = "9"
    & skf18("8","1","7","10","4","10","1") = "9"
    & skf18("8","1","7","10","5","1","1") = "9"
    & skf18("8","1","7","10","5","2","1") = "9"
    & skf18("8","1","7","10","5","3","1") = "9"
    & skf18("8","1","7","10","5","4","1") = "9"
    & skf18("8","1","7","10","5","5","1") = "9"
    & skf18("8","1","7","10","5","6","1") = "9"
    & skf18("8","1","7","10","5","7","1") = "9"
    & skf18("8","1","7","10","5","8","1") = "9"
    & skf18("8","1","7","10","5","9","1") = "9"
    & skf18("8","1","7","10","5","10","1") = "9"
    & skf18("8","1","7","10","6","1","1") = "9"
    & skf18("8","1","7","10","6","2","1") = "9"
    & skf18("8","1","7","10","6","3","1") = "9"
    & skf18("8","1","7","10","6","4","1") = "9"
    & skf18("8","1","7","10","6","5","1") = "9"
    & skf18("8","1","7","10","6","6","1") = "9"
    & skf18("8","1","7","10","6","7","1") = "9"
    & skf18("8","1","7","10","6","8","1") = "9"
    & skf18("8","1","7","10","6","9","1") = "9"
    & skf18("8","1","7","10","6","10","1") = "9"
    & skf18("8","1","7","10","7","1","1") = "9"
    & skf18("8","1","7","10","7","2","1") = "9"
    & skf18("8","1","7","10","7","3","1") = "9"
    & skf18("8","1","7","10","7","4","1") = "9"
    & skf18("8","1","7","10","7","5","1") = "9"
    & skf18("8","1","7","10","7","6","1") = "9"
    & skf18("8","1","7","10","7","7","1") = "9"
    & skf18("8","1","7","10","7","8","1") = "9"
    & skf18("8","1","7","10","7","9","1") = "9"
    & skf18("8","1","7","10","7","10","1") = "9"
    & skf18("8","1","7","10","8","1","1") = "9"
    & skf18("8","1","7","10","8","2","1") = "9"
    & skf18("8","1","7","10","8","3","1") = "9"
    & skf18("8","1","7","10","8","4","1") = "9"
    & skf18("8","1","7","10","8","5","1") = "9"
    & skf18("8","1","7","10","8","6","1") = "9"
    & skf18("8","1","7","10","8","7","1") = "9"
    & skf18("8","1","7","10","8","8","1") = "9"
    & skf18("8","1","7","10","8","9","1") = "9"
    & skf18("8","1","7","10","8","10","1") = "9"
    & skf18("8","1","7","10","9","1","1") = "9"
    & skf18("8","1","7","10","9","2","1") = "9"
    & skf18("8","1","7","10","9","3","1") = "9"
    & skf18("8","1","7","10","9","4","1") = "9"
    & skf18("8","1","7","10","9","5","1") = "9"
    & skf18("8","1","7","10","9","6","1") = "9"
    & skf18("8","1","7","10","9","7","1") = "9"
    & skf18("8","1","7","10","9","8","1") = "9"
    & skf18("8","1","7","10","9","9","1") = "9"
    & skf18("8","1","7","10","9","10","1") = "9"
    & skf18("8","1","7","10","10","1","1") = "9"
    & skf18("8","1","7","10","10","2","1") = "9"
    & skf18("8","1","7","10","10","3","1") = "9"
    & skf18("8","1","7","10","10","4","1") = "9"
    & skf18("8","1","7","10","10","5","1") = "9"
    & skf18("8","1","7","10","10","6","1") = "9"
    & skf18("8","1","7","10","10","7","1") = "9"
    & skf18("8","1","7","10","10","8","1") = "9"
    & skf18("8","1","7","10","10","9","1") = "9"
    & skf18("8","1","7","10","10","10","1") = "9"
    & skf18("8","1","8","1","1","1","1") = "7"
    & skf18("8","1","8","1","1","2","1") = "7"
    & skf18("8","1","8","1","1","3","1") = "7"
    & skf18("8","1","8","1","1","4","1") = "7"
    & skf18("8","1","8","1","1","5","1") = "7"
    & skf18("8","1","8","1","1","6","1") = "7"
    & skf18("8","1","8","1","1","7","1") = "7"
    & skf18("8","1","8","1","1","8","1") = "7"
    & skf18("8","1","8","1","1","9","1") = "8"
    & skf18("8","1","8","1","1","10","1") = "9"
    & skf18("8","1","8","1","2","1","1") = "7"
    & skf18("8","1","8","1","2","2","1") = "7"
    & skf18("8","1","8","1","2","3","1") = "7"
    & skf18("8","1","8","1","2","4","1") = "7"
    & skf18("8","1","8","1","2","5","1") = "7"
    & skf18("8","1","8","1","2","6","1") = "7"
    & skf18("8","1","8","1","2","7","1") = "7"
    & skf18("8","1","8","1","2","8","1") = "7"
    & skf18("8","1","8","1","2","9","1") = "8"
    & skf18("8","1","8","1","2","10","1") = "9"
    & skf18("8","1","8","1","3","1","1") = "7"
    & skf18("8","1","8","1","3","2","1") = "7"
    & skf18("8","1","8","1","3","3","1") = "7"
    & skf18("8","1","8","1","3","4","1") = "7"
    & skf18("8","1","8","1","3","5","1") = "7"
    & skf18("8","1","8","1","3","6","1") = "7"
    & skf18("8","1","8","1","3","7","1") = "7"
    & skf18("8","1","8","1","3","8","1") = "7"
    & skf18("8","1","8","1","3","9","1") = "8"
    & skf18("8","1","8","1","3","10","1") = "9"
    & skf18("8","1","8","1","4","1","1") = "7"
    & skf18("8","1","8","1","4","2","1") = "7"
    & skf18("8","1","8","1","4","3","1") = "7"
    & skf18("8","1","8","1","4","4","1") = "7"
    & skf18("8","1","8","1","4","5","1") = "7"
    & skf18("8","1","8","1","4","6","1") = "7"
    & skf18("8","1","8","1","4","7","1") = "7"
    & skf18("8","1","8","1","4","8","1") = "7"
    & skf18("8","1","8","1","4","9","1") = "8"
    & skf18("8","1","8","1","4","10","1") = "9"
    & skf18("8","1","8","1","5","1","1") = "7"
    & skf18("8","1","8","1","5","2","1") = "7"
    & skf18("8","1","8","1","5","3","1") = "7"
    & skf18("8","1","8","1","5","4","1") = "7"
    & skf18("8","1","8","1","5","5","1") = "7"
    & skf18("8","1","8","1","5","6","1") = "7"
    & skf18("8","1","8","1","5","7","1") = "7"
    & skf18("8","1","8","1","5","8","1") = "7"
    & skf18("8","1","8","1","5","9","1") = "8"
    & skf18("8","1","8","1","5","10","1") = "9"
    & skf18("8","1","8","1","6","1","1") = "7"
    & skf18("8","1","8","1","6","2","1") = "7"
    & skf18("8","1","8","1","6","3","1") = "7"
    & skf18("8","1","8","1","6","4","1") = "7"
    & skf18("8","1","8","1","6","5","1") = "7"
    & skf18("8","1","8","1","6","6","1") = "7"
    & skf18("8","1","8","1","6","7","1") = "7"
    & skf18("8","1","8","1","6","8","1") = "7"
    & skf18("8","1","8","1","6","9","1") = "8"
    & skf18("8","1","8","1","6","10","1") = "9"
    & skf18("8","1","8","1","7","1","1") = "7"
    & skf18("8","1","8","1","7","2","1") = "7"
    & skf18("8","1","8","1","7","3","1") = "7"
    & skf18("8","1","8","1","7","4","1") = "7"
    & skf18("8","1","8","1","7","5","1") = "7"
    & skf18("8","1","8","1","7","6","1") = "7"
    & skf18("8","1","8","1","7","7","1") = "7"
    & skf18("8","1","8","1","7","8","1") = "7"
    & skf18("8","1","8","1","7","9","1") = "8"
    & skf18("8","1","8","1","7","10","1") = "9"
    & skf18("8","1","8","1","8","1","1") = "7"
    & skf18("8","1","8","1","8","2","1") = "7"
    & skf18("8","1","8","1","8","3","1") = "7"
    & skf18("8","1","8","1","8","4","1") = "7"
    & skf18("8","1","8","1","8","5","1") = "7"
    & skf18("8","1","8","1","8","6","1") = "7"
    & skf18("8","1","8","1","8","7","1") = "7"
    & skf18("8","1","8","1","8","8","1") = "7"
    & skf18("8","1","8","1","8","9","1") = "8"
    & skf18("8","1","8","1","8","10","1") = "9"
    & skf18("8","1","8","1","9","1","1") = "8"
    & skf18("8","1","8","1","9","2","1") = "8"
    & skf18("8","1","8","1","9","3","1") = "8"
    & skf18("8","1","8","1","9","4","1") = "8"
    & skf18("8","1","8","1","9","5","1") = "8"
    & skf18("8","1","8","1","9","6","1") = "8"
    & skf18("8","1","8","1","9","7","1") = "8"
    & skf18("8","1","8","1","9","8","1") = "8"
    & skf18("8","1","8","1","9","9","1") = "8"
    & skf18("8","1","8","1","9","10","1") = "9"
    & skf18("8","1","8","1","10","1","1") = "9"
    & skf18("8","1","8","1","10","2","1") = "9"
    & skf18("8","1","8","1","10","3","1") = "9"
    & skf18("8","1","8","1","10","4","1") = "9"
    & skf18("8","1","8","1","10","5","1") = "9"
    & skf18("8","1","8","1","10","6","1") = "9"
    & skf18("8","1","8","1","10","7","1") = "9"
    & skf18("8","1","8","1","10","8","1") = "9"
    & skf18("8","1","8","1","10","9","1") = "9"
    & skf18("8","1","8","1","10","10","1") = "9"
    & skf18("8","1","8","2","1","1","1") = "7"
    & skf18("8","1","8","2","1","2","1") = "7"
    & skf18("8","1","8","2","1","3","1") = "7"
    & skf18("8","1","8","2","1","4","1") = "7"
    & skf18("8","1","8","2","1","5","1") = "7"
    & skf18("8","1","8","2","1","6","1") = "7"
    & skf18("8","1","8","2","1","7","1") = "7"
    & skf18("8","1","8","2","1","8","1") = "7"
    & skf18("8","1","8","2","1","9","1") = "8"
    & skf18("8","1","8","2","1","10","1") = "9"
    & skf18("8","1","8","2","2","1","1") = "7"
    & skf18("8","1","8","2","2","2","1") = "7"
    & skf18("8","1","8","2","2","3","1") = "7"
    & skf18("8","1","8","2","2","4","1") = "7"
    & skf18("8","1","8","2","2","5","1") = "7"
    & skf18("8","1","8","2","2","6","1") = "7"
    & skf18("8","1","8","2","2","7","1") = "7"
    & skf18("8","1","8","2","2","8","1") = "7"
    & skf18("8","1","8","2","2","9","1") = "8"
    & skf18("8","1","8","2","2","10","1") = "9"
    & skf18("8","1","8","2","3","1","1") = "7"
    & skf18("8","1","8","2","3","2","1") = "7"
    & skf18("8","1","8","2","3","3","1") = "7"
    & skf18("8","1","8","2","3","4","1") = "7"
    & skf18("8","1","8","2","3","5","1") = "7"
    & skf18("8","1","8","2","3","6","1") = "7"
    & skf18("8","1","8","2","3","7","1") = "7"
    & skf18("8","1","8","2","3","8","1") = "7"
    & skf18("8","1","8","2","3","9","1") = "8"
    & skf18("8","1","8","2","3","10","1") = "9"
    & skf18("8","1","8","2","4","1","1") = "7"
    & skf18("8","1","8","2","4","2","1") = "7"
    & skf18("8","1","8","2","4","3","1") = "7"
    & skf18("8","1","8","2","4","4","1") = "7"
    & skf18("8","1","8","2","4","5","1") = "7"
    & skf18("8","1","8","2","4","6","1") = "7"
    & skf18("8","1","8","2","4","7","1") = "7"
    & skf18("8","1","8","2","4","8","1") = "7"
    & skf18("8","1","8","2","4","9","1") = "8"
    & skf18("8","1","8","2","4","10","1") = "9"
    & skf18("8","1","8","2","5","1","1") = "7"
    & skf18("8","1","8","2","5","2","1") = "7"
    & skf18("8","1","8","2","5","3","1") = "7"
    & skf18("8","1","8","2","5","4","1") = "7"
    & skf18("8","1","8","2","5","5","1") = "7"
    & skf18("8","1","8","2","5","6","1") = "7"
    & skf18("8","1","8","2","5","7","1") = "7"
    & skf18("8","1","8","2","5","8","1") = "7"
    & skf18("8","1","8","2","5","9","1") = "8"
    & skf18("8","1","8","2","5","10","1") = "9"
    & skf18("8","1","8","2","6","1","1") = "7"
    & skf18("8","1","8","2","6","2","1") = "7"
    & skf18("8","1","8","2","6","3","1") = "7"
    & skf18("8","1","8","2","6","4","1") = "7"
    & skf18("8","1","8","2","6","5","1") = "7"
    & skf18("8","1","8","2","6","6","1") = "7"
    & skf18("8","1","8","2","6","7","1") = "7"
    & skf18("8","1","8","2","6","8","1") = "7"
    & skf18("8","1","8","2","6","9","1") = "8"
    & skf18("8","1","8","2","6","10","1") = "9"
    & skf18("8","1","8","2","7","1","1") = "7"
    & skf18("8","1","8","2","7","2","1") = "7"
    & skf18("8","1","8","2","7","3","1") = "7"
    & skf18("8","1","8","2","7","4","1") = "7"
    & skf18("8","1","8","2","7","5","1") = "7"
    & skf18("8","1","8","2","7","6","1") = "7"
    & skf18("8","1","8","2","7","7","1") = "7"
    & skf18("8","1","8","2","7","8","1") = "7"
    & skf18("8","1","8","2","7","9","1") = "8"
    & skf18("8","1","8","2","7","10","1") = "9"
    & skf18("8","1","8","2","8","1","1") = "7"
    & skf18("8","1","8","2","8","2","1") = "7"
    & skf18("8","1","8","2","8","3","1") = "7"
    & skf18("8","1","8","2","8","4","1") = "7"
    & skf18("8","1","8","2","8","5","1") = "7"
    & skf18("8","1","8","2","8","6","1") = "7"
    & skf18("8","1","8","2","8","7","1") = "7"
    & skf18("8","1","8","2","8","8","1") = "7"
    & skf18("8","1","8","2","8","9","1") = "8"
    & skf18("8","1","8","2","8","10","1") = "9"
    & skf18("8","1","8","2","9","1","1") = "8"
    & skf18("8","1","8","2","9","2","1") = "8"
    & skf18("8","1","8","2","9","3","1") = "8"
    & skf18("8","1","8","2","9","4","1") = "8"
    & skf18("8","1","8","2","9","5","1") = "8"
    & skf18("8","1","8","2","9","6","1") = "8"
    & skf18("8","1","8","2","9","7","1") = "8"
    & skf18("8","1","8","2","9","8","1") = "8"
    & skf18("8","1","8","2","9","9","1") = "8"
    & skf18("8","1","8","2","9","10","1") = "9"
    & skf18("8","1","8","2","10","1","1") = "9"
    & skf18("8","1","8","2","10","2","1") = "9"
    & skf18("8","1","8","2","10","3","1") = "9"
    & skf18("8","1","8","2","10","4","1") = "9"
    & skf18("8","1","8","2","10","5","1") = "9"
    & skf18("8","1","8","2","10","6","1") = "9"
    & skf18("8","1","8","2","10","7","1") = "9"
    & skf18("8","1","8","2","10","8","1") = "9"
    & skf18("8","1","8","2","10","9","1") = "9"
    & skf18("8","1","8","2","10","10","1") = "9"
    & skf18("8","1","8","3","1","1","1") = "7"
    & skf18("8","1","8","3","1","2","1") = "7"
    & skf18("8","1","8","3","1","3","1") = "7"
    & skf18("8","1","8","3","1","4","1") = "7"
    & skf18("8","1","8","3","1","5","1") = "7"
    & skf18("8","1","8","3","1","6","1") = "7"
    & skf18("8","1","8","3","1","7","1") = "7"
    & skf18("8","1","8","3","1","8","1") = "7"
    & skf18("8","1","8","3","1","9","1") = "8"
    & skf18("8","1","8","3","1","10","1") = "9"
    & skf18("8","1","8","3","2","1","1") = "7"
    & skf18("8","1","8","3","2","2","1") = "7"
    & skf18("8","1","8","3","2","3","1") = "7"
    & skf18("8","1","8","3","2","4","1") = "7"
    & skf18("8","1","8","3","2","5","1") = "7"
    & skf18("8","1","8","3","2","6","1") = "7"
    & skf18("8","1","8","3","2","7","1") = "7"
    & skf18("8","1","8","3","2","8","1") = "7"
    & skf18("8","1","8","3","2","9","1") = "8"
    & skf18("8","1","8","3","2","10","1") = "9"
    & skf18("8","1","8","3","3","1","1") = "7"
    & skf18("8","1","8","3","3","2","1") = "7"
    & skf18("8","1","8","3","3","3","1") = "7"
    & skf18("8","1","8","3","3","4","1") = "7"
    & skf18("8","1","8","3","3","5","1") = "7"
    & skf18("8","1","8","3","3","6","1") = "7"
    & skf18("8","1","8","3","3","7","1") = "7"
    & skf18("8","1","8","3","3","8","1") = "7"
    & skf18("8","1","8","3","3","9","1") = "8"
    & skf18("8","1","8","3","3","10","1") = "9"
    & skf18("8","1","8","3","4","1","1") = "7"
    & skf18("8","1","8","3","4","2","1") = "7"
    & skf18("8","1","8","3","4","3","1") = "7"
    & skf18("8","1","8","3","4","4","1") = "7"
    & skf18("8","1","8","3","4","5","1") = "7"
    & skf18("8","1","8","3","4","6","1") = "7"
    & skf18("8","1","8","3","4","7","1") = "7"
    & skf18("8","1","8","3","4","8","1") = "7"
    & skf18("8","1","8","3","4","9","1") = "8"
    & skf18("8","1","8","3","4","10","1") = "9"
    & skf18("8","1","8","3","5","1","1") = "7"
    & skf18("8","1","8","3","5","2","1") = "7"
    & skf18("8","1","8","3","5","3","1") = "7"
    & skf18("8","1","8","3","5","4","1") = "7"
    & skf18("8","1","8","3","5","5","1") = "7"
    & skf18("8","1","8","3","5","6","1") = "7"
    & skf18("8","1","8","3","5","7","1") = "7"
    & skf18("8","1","8","3","5","8","1") = "7"
    & skf18("8","1","8","3","5","9","1") = "8"
    & skf18("8","1","8","3","5","10","1") = "9"
    & skf18("8","1","8","3","6","1","1") = "7"
    & skf18("8","1","8","3","6","2","1") = "7"
    & skf18("8","1","8","3","6","3","1") = "7"
    & skf18("8","1","8","3","6","4","1") = "7"
    & skf18("8","1","8","3","6","5","1") = "7"
    & skf18("8","1","8","3","6","6","1") = "7"
    & skf18("8","1","8","3","6","7","1") = "7"
    & skf18("8","1","8","3","6","8","1") = "7"
    & skf18("8","1","8","3","6","9","1") = "8"
    & skf18("8","1","8","3","6","10","1") = "9"
    & skf18("8","1","8","3","7","1","1") = "7"
    & skf18("8","1","8","3","7","2","1") = "7"
    & skf18("8","1","8","3","7","3","1") = "7"
    & skf18("8","1","8","3","7","4","1") = "7"
    & skf18("8","1","8","3","7","5","1") = "7"
    & skf18("8","1","8","3","7","6","1") = "7"
    & skf18("8","1","8","3","7","7","1") = "7"
    & skf18("8","1","8","3","7","8","1") = "7"
    & skf18("8","1","8","3","7","9","1") = "8"
    & skf18("8","1","8","3","7","10","1") = "9"
    & skf18("8","1","8","3","8","1","1") = "7"
    & skf18("8","1","8","3","8","2","1") = "7"
    & skf18("8","1","8","3","8","3","1") = "7"
    & skf18("8","1","8","3","8","4","1") = "7"
    & skf18("8","1","8","3","8","5","1") = "7"
    & skf18("8","1","8","3","8","6","1") = "7"
    & skf18("8","1","8","3","8","7","1") = "7"
    & skf18("8","1","8","3","8","8","1") = "7"
    & skf18("8","1","8","3","8","9","1") = "8"
    & skf18("8","1","8","3","8","10","1") = "9"
    & skf18("8","1","8","3","9","1","1") = "8"
    & skf18("8","1","8","3","9","2","1") = "8"
    & skf18("8","1","8","3","9","3","1") = "8"
    & skf18("8","1","8","3","9","4","1") = "8"
    & skf18("8","1","8","3","9","5","1") = "8"
    & skf18("8","1","8","3","9","6","1") = "8"
    & skf18("8","1","8","3","9","7","1") = "8"
    & skf18("8","1","8","3","9","8","1") = "8"
    & skf18("8","1","8","3","9","9","1") = "8"
    & skf18("8","1","8","3","9","10","1") = "9"
    & skf18("8","1","8","3","10","1","1") = "9"
    & skf18("8","1","8","3","10","2","1") = "9"
    & skf18("8","1","8","3","10","3","1") = "9"
    & skf18("8","1","8","3","10","4","1") = "9"
    & skf18("8","1","8","3","10","5","1") = "9"
    & skf18("8","1","8","3","10","6","1") = "9"
    & skf18("8","1","8","3","10","7","1") = "9"
    & skf18("8","1","8","3","10","8","1") = "9"
    & skf18("8","1","8","3","10","9","1") = "9"
    & skf18("8","1","8","3","10","10","1") = "9"
    & skf18("8","1","8","4","1","1","1") = "7"
    & skf18("8","1","8","4","1","2","1") = "7"
    & skf18("8","1","8","4","1","3","1") = "7"
    & skf18("8","1","8","4","1","4","1") = "7"
    & skf18("8","1","8","4","1","5","1") = "7"
    & skf18("8","1","8","4","1","6","1") = "7"
    & skf18("8","1","8","4","1","7","1") = "7"
    & skf18("8","1","8","4","1","8","1") = "7"
    & skf18("8","1","8","4","1","9","1") = "8"
    & skf18("8","1","8","4","1","10","1") = "9"
    & skf18("8","1","8","4","2","1","1") = "7"
    & skf18("8","1","8","4","2","2","1") = "7"
    & skf18("8","1","8","4","2","3","1") = "7"
    & skf18("8","1","8","4","2","4","1") = "7"
    & skf18("8","1","8","4","2","5","1") = "7"
    & skf18("8","1","8","4","2","6","1") = "7"
    & skf18("8","1","8","4","2","7","1") = "7"
    & skf18("8","1","8","4","2","8","1") = "7"
    & skf18("8","1","8","4","2","9","1") = "8"
    & skf18("8","1","8","4","2","10","1") = "9"
    & skf18("8","1","8","4","3","1","1") = "7"
    & skf18("8","1","8","4","3","2","1") = "7"
    & skf18("8","1","8","4","3","3","1") = "7"
    & skf18("8","1","8","4","3","4","1") = "7"
    & skf18("8","1","8","4","3","5","1") = "7"
    & skf18("8","1","8","4","3","6","1") = "7"
    & skf18("8","1","8","4","3","7","1") = "7"
    & skf18("8","1","8","4","3","8","1") = "7"
    & skf18("8","1","8","4","3","9","1") = "8"
    & skf18("8","1","8","4","3","10","1") = "9"
    & skf18("8","1","8","4","4","1","1") = "7"
    & skf18("8","1","8","4","4","2","1") = "7"
    & skf18("8","1","8","4","4","3","1") = "7"
    & skf18("8","1","8","4","4","4","1") = "7"
    & skf18("8","1","8","4","4","5","1") = "7"
    & skf18("8","1","8","4","4","6","1") = "7"
    & skf18("8","1","8","4","4","7","1") = "7"
    & skf18("8","1","8","4","4","8","1") = "7"
    & skf18("8","1","8","4","4","9","1") = "8"
    & skf18("8","1","8","4","4","10","1") = "9"
    & skf18("8","1","8","4","5","1","1") = "7"
    & skf18("8","1","8","4","5","2","1") = "7"
    & skf18("8","1","8","4","5","3","1") = "7"
    & skf18("8","1","8","4","5","4","1") = "7"
    & skf18("8","1","8","4","5","5","1") = "7"
    & skf18("8","1","8","4","5","6","1") = "7"
    & skf18("8","1","8","4","5","7","1") = "7"
    & skf18("8","1","8","4","5","8","1") = "7"
    & skf18("8","1","8","4","5","9","1") = "8"
    & skf18("8","1","8","4","5","10","1") = "9"
    & skf18("8","1","8","4","6","1","1") = "7"
    & skf18("8","1","8","4","6","2","1") = "7"
    & skf18("8","1","8","4","6","3","1") = "7"
    & skf18("8","1","8","4","6","4","1") = "7"
    & skf18("8","1","8","4","6","5","1") = "7"
    & skf18("8","1","8","4","6","6","1") = "7"
    & skf18("8","1","8","4","6","7","1") = "7"
    & skf18("8","1","8","4","6","8","1") = "7"
    & skf18("8","1","8","4","6","9","1") = "8"
    & skf18("8","1","8","4","6","10","1") = "9"
    & skf18("8","1","8","4","7","1","1") = "7"
    & skf18("8","1","8","4","7","2","1") = "7"
    & skf18("8","1","8","4","7","3","1") = "7"
    & skf18("8","1","8","4","7","4","1") = "7"
    & skf18("8","1","8","4","7","5","1") = "7"
    & skf18("8","1","8","4","7","6","1") = "7"
    & skf18("8","1","8","4","7","7","1") = "7"
    & skf18("8","1","8","4","7","8","1") = "7"
    & skf18("8","1","8","4","7","9","1") = "8"
    & skf18("8","1","8","4","7","10","1") = "9"
    & skf18("8","1","8","4","8","1","1") = "7"
    & skf18("8","1","8","4","8","2","1") = "7"
    & skf18("8","1","8","4","8","3","1") = "7"
    & skf18("8","1","8","4","8","4","1") = "7"
    & skf18("8","1","8","4","8","5","1") = "7"
    & skf18("8","1","8","4","8","6","1") = "7"
    & skf18("8","1","8","4","8","7","1") = "7"
    & skf18("8","1","8","4","8","8","1") = "7"
    & skf18("8","1","8","4","8","9","1") = "8"
    & skf18("8","1","8","4","8","10","1") = "9"
    & skf18("8","1","8","4","9","1","1") = "8"
    & skf18("8","1","8","4","9","2","1") = "8"
    & skf18("8","1","8","4","9","3","1") = "8"
    & skf18("8","1","8","4","9","4","1") = "8"
    & skf18("8","1","8","4","9","5","1") = "8"
    & skf18("8","1","8","4","9","6","1") = "8"
    & skf18("8","1","8","4","9","7","1") = "8"
    & skf18("8","1","8","4","9","8","1") = "8"
    & skf18("8","1","8","4","9","9","1") = "8"
    & skf18("8","1","8","4","9","10","1") = "9"
    & skf18("8","1","8","4","10","1","1") = "9"
    & skf18("8","1","8","4","10","2","1") = "9"
    & skf18("8","1","8","4","10","3","1") = "9"
    & skf18("8","1","8","4","10","4","1") = "9"
    & skf18("8","1","8","4","10","5","1") = "9"
    & skf18("8","1","8","4","10","6","1") = "9"
    & skf18("8","1","8","4","10","7","1") = "9"
    & skf18("8","1","8","4","10","8","1") = "9"
    & skf18("8","1","8","4","10","9","1") = "9"
    & skf18("8","1","8","4","10","10","1") = "9"
    & skf18("8","1","8","5","1","1","1") = "7"
    & skf18("8","1","8","5","1","2","1") = "7"
    & skf18("8","1","8","5","1","3","1") = "7"
    & skf18("8","1","8","5","1","4","1") = "7"
    & skf18("8","1","8","5","1","5","1") = "7"
    & skf18("8","1","8","5","1","6","1") = "7"
    & skf18("8","1","8","5","1","7","1") = "7"
    & skf18("8","1","8","5","1","8","1") = "7"
    & skf18("8","1","8","5","1","9","1") = "8"
    & skf18("8","1","8","5","1","10","1") = "9"
    & skf18("8","1","8","5","2","1","1") = "7"
    & skf18("8","1","8","5","2","2","1") = "7"
    & skf18("8","1","8","5","2","3","1") = "7"
    & skf18("8","1","8","5","2","4","1") = "7"
    & skf18("8","1","8","5","2","5","1") = "7"
    & skf18("8","1","8","5","2","6","1") = "7"
    & skf18("8","1","8","5","2","7","1") = "7"
    & skf18("8","1","8","5","2","8","1") = "7"
    & skf18("8","1","8","5","2","9","1") = "8"
    & skf18("8","1","8","5","2","10","1") = "9"
    & skf18("8","1","8","5","3","1","1") = "7"
    & skf18("8","1","8","5","3","2","1") = "7"
    & skf18("8","1","8","5","3","3","1") = "7"
    & skf18("8","1","8","5","3","4","1") = "7"
    & skf18("8","1","8","5","3","5","1") = "7"
    & skf18("8","1","8","5","3","6","1") = "7"
    & skf18("8","1","8","5","3","7","1") = "7"
    & skf18("8","1","8","5","3","8","1") = "7"
    & skf18("8","1","8","5","3","9","1") = "8"
    & skf18("8","1","8","5","3","10","1") = "9"
    & skf18("8","1","8","5","4","1","1") = "7"
    & skf18("8","1","8","5","4","2","1") = "7"
    & skf18("8","1","8","5","4","3","1") = "7"
    & skf18("8","1","8","5","4","4","1") = "7"
    & skf18("8","1","8","5","4","5","1") = "7"
    & skf18("8","1","8","5","4","6","1") = "7"
    & skf18("8","1","8","5","4","7","1") = "7"
    & skf18("8","1","8","5","4","8","1") = "7"
    & skf18("8","1","8","5","4","9","1") = "8"
    & skf18("8","1","8","5","4","10","1") = "9"
    & skf18("8","1","8","5","5","1","1") = "7"
    & skf18("8","1","8","5","5","2","1") = "7"
    & skf18("8","1","8","5","5","3","1") = "7"
    & skf18("8","1","8","5","5","4","1") = "7"
    & skf18("8","1","8","5","5","5","1") = "7"
    & skf18("8","1","8","5","5","6","1") = "7"
    & skf18("8","1","8","5","5","7","1") = "7"
    & skf18("8","1","8","5","5","8","1") = "7"
    & skf18("8","1","8","5","5","9","1") = "8"
    & skf18("8","1","8","5","5","10","1") = "9"
    & skf18("8","1","8","5","6","1","1") = "7"
    & skf18("8","1","8","5","6","2","1") = "7"
    & skf18("8","1","8","5","6","3","1") = "7"
    & skf18("8","1","8","5","6","4","1") = "7"
    & skf18("8","1","8","5","6","5","1") = "7"
    & skf18("8","1","8","5","6","6","1") = "7"
    & skf18("8","1","8","5","6","7","1") = "7"
    & skf18("8","1","8","5","6","8","1") = "7"
    & skf18("8","1","8","5","6","9","1") = "8"
    & skf18("8","1","8","5","6","10","1") = "9"
    & skf18("8","1","8","5","7","1","1") = "7"
    & skf18("8","1","8","5","7","2","1") = "7"
    & skf18("8","1","8","5","7","3","1") = "7"
    & skf18("8","1","8","5","7","4","1") = "7"
    & skf18("8","1","8","5","7","5","1") = "7"
    & skf18("8","1","8","5","7","6","1") = "7"
    & skf18("8","1","8","5","7","7","1") = "7"
    & skf18("8","1","8","5","7","8","1") = "7"
    & skf18("8","1","8","5","7","9","1") = "8"
    & skf18("8","1","8","5","7","10","1") = "9"
    & skf18("8","1","8","5","8","1","1") = "7"
    & skf18("8","1","8","5","8","2","1") = "7"
    & skf18("8","1","8","5","8","3","1") = "7"
    & skf18("8","1","8","5","8","4","1") = "7"
    & skf18("8","1","8","5","8","5","1") = "7"
    & skf18("8","1","8","5","8","6","1") = "7"
    & skf18("8","1","8","5","8","7","1") = "7"
    & skf18("8","1","8","5","8","8","1") = "7"
    & skf18("8","1","8","5","8","9","1") = "8"
    & skf18("8","1","8","5","8","10","1") = "9"
    & skf18("8","1","8","5","9","1","1") = "8"
    & skf18("8","1","8","5","9","2","1") = "8"
    & skf18("8","1","8","5","9","3","1") = "8"
    & skf18("8","1","8","5","9","4","1") = "8"
    & skf18("8","1","8","5","9","5","1") = "8"
    & skf18("8","1","8","5","9","6","1") = "8"
    & skf18("8","1","8","5","9","7","1") = "8"
    & skf18("8","1","8","5","9","8","1") = "8"
    & skf18("8","1","8","5","9","9","1") = "8"
    & skf18("8","1","8","5","9","10","1") = "9"
    & skf18("8","1","8","5","10","1","1") = "9"
    & skf18("8","1","8","5","10","2","1") = "9"
    & skf18("8","1","8","5","10","3","1") = "9"
    & skf18("8","1","8","5","10","4","1") = "9"
    & skf18("8","1","8","5","10","5","1") = "9"
    & skf18("8","1","8","5","10","6","1") = "9"
    & skf18("8","1","8","5","10","7","1") = "9"
    & skf18("8","1","8","5","10","8","1") = "9"
    & skf18("8","1","8","5","10","9","1") = "9"
    & skf18("8","1","8","5","10","10","1") = "9"
    & skf18("8","1","8","6","1","1","1") = "7"
    & skf18("8","1","8","6","1","2","1") = "7"
    & skf18("8","1","8","6","1","3","1") = "7"
    & skf18("8","1","8","6","1","4","1") = "7"
    & skf18("8","1","8","6","1","5","1") = "7"
    & skf18("8","1","8","6","1","6","1") = "7"
    & skf18("8","1","8","6","1","7","1") = "7"
    & skf18("8","1","8","6","1","8","1") = "7"
    & skf18("8","1","8","6","1","9","1") = "8"
    & skf18("8","1","8","6","1","10","1") = "9"
    & skf18("8","1","8","6","2","1","1") = "7"
    & skf18("8","1","8","6","2","2","1") = "7"
    & skf18("8","1","8","6","2","3","1") = "7"
    & skf18("8","1","8","6","2","4","1") = "7"
    & skf18("8","1","8","6","2","5","1") = "7"
    & skf18("8","1","8","6","2","6","1") = "7"
    & skf18("8","1","8","6","2","7","1") = "7"
    & skf18("8","1","8","6","2","8","1") = "7"
    & skf18("8","1","8","6","2","9","1") = "8"
    & skf18("8","1","8","6","2","10","1") = "9"
    & skf18("8","1","8","6","3","1","1") = "7"
    & skf18("8","1","8","6","3","2","1") = "7"
    & skf18("8","1","8","6","3","3","1") = "7"
    & skf18("8","1","8","6","3","4","1") = "7"
    & skf18("8","1","8","6","3","5","1") = "7"
    & skf18("8","1","8","6","3","6","1") = "7"
    & skf18("8","1","8","6","3","7","1") = "7"
    & skf18("8","1","8","6","3","8","1") = "7"
    & skf18("8","1","8","6","3","9","1") = "8"
    & skf18("8","1","8","6","3","10","1") = "9"
    & skf18("8","1","8","6","4","1","1") = "7"
    & skf18("8","1","8","6","4","2","1") = "7"
    & skf18("8","1","8","6","4","3","1") = "7"
    & skf18("8","1","8","6","4","4","1") = "7"
    & skf18("8","1","8","6","4","5","1") = "7"
    & skf18("8","1","8","6","4","6","1") = "7"
    & skf18("8","1","8","6","4","7","1") = "7"
    & skf18("8","1","8","6","4","8","1") = "7"
    & skf18("8","1","8","6","4","9","1") = "8"
    & skf18("8","1","8","6","4","10","1") = "9"
    & skf18("8","1","8","6","5","1","1") = "7"
    & skf18("8","1","8","6","5","2","1") = "7"
    & skf18("8","1","8","6","5","3","1") = "7"
    & skf18("8","1","8","6","5","4","1") = "7"
    & skf18("8","1","8","6","5","5","1") = "7"
    & skf18("8","1","8","6","5","6","1") = "7"
    & skf18("8","1","8","6","5","7","1") = "7"
    & skf18("8","1","8","6","5","8","1") = "7"
    & skf18("8","1","8","6","5","9","1") = "8"
    & skf18("8","1","8","6","5","10","1") = "9"
    & skf18("8","1","8","6","6","1","1") = "7"
    & skf18("8","1","8","6","6","2","1") = "7"
    & skf18("8","1","8","6","6","3","1") = "7"
    & skf18("8","1","8","6","6","4","1") = "7"
    & skf18("8","1","8","6","6","5","1") = "7"
    & skf18("8","1","8","6","6","6","1") = "7"
    & skf18("8","1","8","6","6","7","1") = "7"
    & skf18("8","1","8","6","6","8","1") = "7"
    & skf18("8","1","8","6","6","9","1") = "8"
    & skf18("8","1","8","6","6","10","1") = "9"
    & skf18("8","1","8","6","7","1","1") = "7"
    & skf18("8","1","8","6","7","2","1") = "7"
    & skf18("8","1","8","6","7","3","1") = "7"
    & skf18("8","1","8","6","7","4","1") = "7"
    & skf18("8","1","8","6","7","5","1") = "7"
    & skf18("8","1","8","6","7","6","1") = "7"
    & skf18("8","1","8","6","7","7","1") = "7"
    & skf18("8","1","8","6","7","8","1") = "7"
    & skf18("8","1","8","6","7","9","1") = "8"
    & skf18("8","1","8","6","7","10","1") = "9"
    & skf18("8","1","8","6","8","1","1") = "7"
    & skf18("8","1","8","6","8","2","1") = "7"
    & skf18("8","1","8","6","8","3","1") = "7"
    & skf18("8","1","8","6","8","4","1") = "7"
    & skf18("8","1","8","6","8","5","1") = "7"
    & skf18("8","1","8","6","8","6","1") = "7"
    & skf18("8","1","8","6","8","7","1") = "7"
    & skf18("8","1","8","6","8","8","1") = "7"
    & skf18("8","1","8","6","8","9","1") = "8"
    & skf18("8","1","8","6","8","10","1") = "9"
    & skf18("8","1","8","6","9","1","1") = "8"
    & skf18("8","1","8","6","9","2","1") = "8"
    & skf18("8","1","8","6","9","3","1") = "8"
    & skf18("8","1","8","6","9","4","1") = "8"
    & skf18("8","1","8","6","9","5","1") = "8"
    & skf18("8","1","8","6","9","6","1") = "8"
    & skf18("8","1","8","6","9","7","1") = "8"
    & skf18("8","1","8","6","9","8","1") = "8"
    & skf18("8","1","8","6","9","9","1") = "8"
    & skf18("8","1","8","6","9","10","1") = "9"
    & skf18("8","1","8","6","10","1","1") = "9"
    & skf18("8","1","8","6","10","2","1") = "9"
    & skf18("8","1","8","6","10","3","1") = "9"
    & skf18("8","1","8","6","10","4","1") = "9"
    & skf18("8","1","8","6","10","5","1") = "9"
    & skf18("8","1","8","6","10","6","1") = "9"
    & skf18("8","1","8","6","10","7","1") = "9"
    & skf18("8","1","8","6","10","8","1") = "9"
    & skf18("8","1","8","6","10","9","1") = "9"
    & skf18("8","1","8","6","10","10","1") = "9"
    & skf18("8","1","8","7","1","1","1") = "7"
    & skf18("8","1","8","7","1","2","1") = "7"
    & skf18("8","1","8","7","1","3","1") = "7"
    & skf18("8","1","8","7","1","4","1") = "7"
    & skf18("8","1","8","7","1","5","1") = "7"
    & skf18("8","1","8","7","1","6","1") = "7"
    & skf18("8","1","8","7","1","7","1") = "7"
    & skf18("8","1","8","7","1","8","1") = "7"
    & skf18("8","1","8","7","1","9","1") = "8"
    & skf18("8","1","8","7","1","10","1") = "9"
    & skf18("8","1","8","7","2","1","1") = "7"
    & skf18("8","1","8","7","2","2","1") = "7"
    & skf18("8","1","8","7","2","3","1") = "7"
    & skf18("8","1","8","7","2","4","1") = "7"
    & skf18("8","1","8","7","2","5","1") = "7"
    & skf18("8","1","8","7","2","6","1") = "7"
    & skf18("8","1","8","7","2","7","1") = "7"
    & skf18("8","1","8","7","2","8","1") = "7"
    & skf18("8","1","8","7","2","9","1") = "8"
    & skf18("8","1","8","7","2","10","1") = "9"
    & skf18("8","1","8","7","3","1","1") = "7"
    & skf18("8","1","8","7","3","2","1") = "7"
    & skf18("8","1","8","7","3","3","1") = "7"
    & skf18("8","1","8","7","3","4","1") = "7"
    & skf18("8","1","8","7","3","5","1") = "7"
    & skf18("8","1","8","7","3","6","1") = "7"
    & skf18("8","1","8","7","3","7","1") = "7"
    & skf18("8","1","8","7","3","8","1") = "7"
    & skf18("8","1","8","7","3","9","1") = "8"
    & skf18("8","1","8","7","3","10","1") = "9"
    & skf18("8","1","8","7","4","1","1") = "7"
    & skf18("8","1","8","7","4","2","1") = "7"
    & skf18("8","1","8","7","4","3","1") = "7"
    & skf18("8","1","8","7","4","4","1") = "7"
    & skf18("8","1","8","7","4","5","1") = "7"
    & skf18("8","1","8","7","4","6","1") = "7"
    & skf18("8","1","8","7","4","7","1") = "7"
    & skf18("8","1","8","7","4","8","1") = "7"
    & skf18("8","1","8","7","4","9","1") = "8"
    & skf18("8","1","8","7","4","10","1") = "9"
    & skf18("8","1","8","7","5","1","1") = "7"
    & skf18("8","1","8","7","5","2","1") = "7"
    & skf18("8","1","8","7","5","3","1") = "7"
    & skf18("8","1","8","7","5","4","1") = "7"
    & skf18("8","1","8","7","5","5","1") = "7"
    & skf18("8","1","8","7","5","6","1") = "7"
    & skf18("8","1","8","7","5","7","1") = "7"
    & skf18("8","1","8","7","5","8","1") = "7"
    & skf18("8","1","8","7","5","9","1") = "8"
    & skf18("8","1","8","7","5","10","1") = "9"
    & skf18("8","1","8","7","6","1","1") = "7"
    & skf18("8","1","8","7","6","2","1") = "7"
    & skf18("8","1","8","7","6","3","1") = "7"
    & skf18("8","1","8","7","6","4","1") = "7"
    & skf18("8","1","8","7","6","5","1") = "7"
    & skf18("8","1","8","7","6","6","1") = "7"
    & skf18("8","1","8","7","6","7","1") = "7"
    & skf18("8","1","8","7","6","8","1") = "7"
    & skf18("8","1","8","7","6","9","1") = "8"
    & skf18("8","1","8","7","6","10","1") = "9"
    & skf18("8","1","8","7","7","1","1") = "7"
    & skf18("8","1","8","7","7","2","1") = "7"
    & skf18("8","1","8","7","7","3","1") = "7"
    & skf18("8","1","8","7","7","4","1") = "7"
    & skf18("8","1","8","7","7","5","1") = "7"
    & skf18("8","1","8","7","7","6","1") = "7"
    & skf18("8","1","8","7","7","7","1") = "7"
    & skf18("8","1","8","7","7","8","1") = "7"
    & skf18("8","1","8","7","7","9","1") = "8"
    & skf18("8","1","8","7","7","10","1") = "9"
    & skf18("8","1","8","7","8","1","1") = "7"
    & skf18("8","1","8","7","8","2","1") = "7"
    & skf18("8","1","8","7","8","3","1") = "7"
    & skf18("8","1","8","7","8","4","1") = "7"
    & skf18("8","1","8","7","8","5","1") = "7"
    & skf18("8","1","8","7","8","6","1") = "7"
    & skf18("8","1","8","7","8","7","1") = "7"
    & skf18("8","1","8","7","8","8","1") = "7"
    & skf18("8","1","8","7","8","9","1") = "8"
    & skf18("8","1","8","7","8","10","1") = "9"
    & skf18("8","1","8","7","9","1","1") = "8"
    & skf18("8","1","8","7","9","2","1") = "8"
    & skf18("8","1","8","7","9","3","1") = "8"
    & skf18("8","1","8","7","9","4","1") = "8"
    & skf18("8","1","8","7","9","5","1") = "8"
    & skf18("8","1","8","7","9","6","1") = "8"
    & skf18("8","1","8","7","9","7","1") = "8"
    & skf18("8","1","8","7","9","8","1") = "8"
    & skf18("8","1","8","7","9","9","1") = "8"
    & skf18("8","1","8","7","9","10","1") = "9"
    & skf18("8","1","8","7","10","1","1") = "9"
    & skf18("8","1","8","7","10","2","1") = "9"
    & skf18("8","1","8","7","10","3","1") = "9"
    & skf18("8","1","8","7","10","4","1") = "9"
    & skf18("8","1","8","7","10","5","1") = "9"
    & skf18("8","1","8","7","10","6","1") = "9"
    & skf18("8","1","8","7","10","7","1") = "9"
    & skf18("8","1","8","7","10","8","1") = "9"
    & skf18("8","1","8","7","10","9","1") = "9"
    & skf18("8","1","8","7","10","10","1") = "9"
    & skf18("8","1","8","8","1","1","1") = "7"
    & skf18("8","1","8","8","1","2","1") = "7"
    & skf18("8","1","8","8","1","3","1") = "7"
    & skf18("8","1","8","8","1","4","1") = "7"
    & skf18("8","1","8","8","1","5","1") = "7"
    & skf18("8","1","8","8","1","6","1") = "7"
    & skf18("8","1","8","8","1","7","1") = "7"
    & skf18("8","1","8","8","1","8","1") = "7"
    & skf18("8","1","8","8","1","9","1") = "8"
    & skf18("8","1","8","8","1","10","1") = "9"
    & skf18("8","1","8","8","2","1","1") = "7"
    & skf18("8","1","8","8","2","2","1") = "7"
    & skf18("8","1","8","8","2","3","1") = "7"
    & skf18("8","1","8","8","2","4","1") = "7"
    & skf18("8","1","8","8","2","5","1") = "7"
    & skf18("8","1","8","8","2","6","1") = "7"
    & skf18("8","1","8","8","2","7","1") = "7"
    & skf18("8","1","8","8","2","8","1") = "7"
    & skf18("8","1","8","8","2","9","1") = "8"
    & skf18("8","1","8","8","2","10","1") = "9"
    & skf18("8","1","8","8","3","1","1") = "7"
    & skf18("8","1","8","8","3","2","1") = "7"
    & skf18("8","1","8","8","3","3","1") = "7"
    & skf18("8","1","8","8","3","4","1") = "7"
    & skf18("8","1","8","8","3","5","1") = "7"
    & skf18("8","1","8","8","3","6","1") = "7"
    & skf18("8","1","8","8","3","7","1") = "7"
    & skf18("8","1","8","8","3","8","1") = "7"
    & skf18("8","1","8","8","3","9","1") = "8"
    & skf18("8","1","8","8","3","10","1") = "9"
    & skf18("8","1","8","8","4","1","1") = "7"
    & skf18("8","1","8","8","4","2","1") = "7"
    & skf18("8","1","8","8","4","3","1") = "7"
    & skf18("8","1","8","8","4","4","1") = "7"
    & skf18("8","1","8","8","4","5","1") = "7"
    & skf18("8","1","8","8","4","6","1") = "7"
    & skf18("8","1","8","8","4","7","1") = "7"
    & skf18("8","1","8","8","4","8","1") = "7"
    & skf18("8","1","8","8","4","9","1") = "8"
    & skf18("8","1","8","8","4","10","1") = "9"
    & skf18("8","1","8","8","5","1","1") = "7"
    & skf18("8","1","8","8","5","2","1") = "7"
    & skf18("8","1","8","8","5","3","1") = "7"
    & skf18("8","1","8","8","5","4","1") = "7"
    & skf18("8","1","8","8","5","5","1") = "7"
    & skf18("8","1","8","8","5","6","1") = "7"
    & skf18("8","1","8","8","5","7","1") = "7"
    & skf18("8","1","8","8","5","8","1") = "7"
    & skf18("8","1","8","8","5","9","1") = "8"
    & skf18("8","1","8","8","5","10","1") = "9"
    & skf18("8","1","8","8","6","1","1") = "7"
    & skf18("8","1","8","8","6","2","1") = "7"
    & skf18("8","1","8","8","6","3","1") = "7"
    & skf18("8","1","8","8","6","4","1") = "7"
    & skf18("8","1","8","8","6","5","1") = "7"
    & skf18("8","1","8","8","6","6","1") = "7"
    & skf18("8","1","8","8","6","7","1") = "7"
    & skf18("8","1","8","8","6","8","1") = "7"
    & skf18("8","1","8","8","6","9","1") = "8"
    & skf18("8","1","8","8","6","10","1") = "9"
    & skf18("8","1","8","8","7","1","1") = "7"
    & skf18("8","1","8","8","7","2","1") = "7"
    & skf18("8","1","8","8","7","3","1") = "7"
    & skf18("8","1","8","8","7","4","1") = "7"
    & skf18("8","1","8","8","7","5","1") = "7"
    & skf18("8","1","8","8","7","6","1") = "7"
    & skf18("8","1","8","8","7","7","1") = "7"
    & skf18("8","1","8","8","7","8","1") = "7"
    & skf18("8","1","8","8","7","9","1") = "8"
    & skf18("8","1","8","8","7","10","1") = "9"
    & skf18("8","1","8","8","8","1","1") = "7"
    & skf18("8","1","8","8","8","2","1") = "7"
    & skf18("8","1","8","8","8","3","1") = "7"
    & skf18("8","1","8","8","8","4","1") = "7"
    & skf18("8","1","8","8","8","5","1") = "7"
    & skf18("8","1","8","8","8","6","1") = "7"
    & skf18("8","1","8","8","8","7","1") = "7"
    & skf18("8","1","8","8","8","8","1") = "7"
    & skf18("8","1","8","8","8","9","1") = "8"
    & skf18("8","1","8","8","8","10","1") = "9"
    & skf18("8","1","8","8","9","1","1") = "8"
    & skf18("8","1","8","8","9","2","1") = "8"
    & skf18("8","1","8","8","9","3","1") = "8"
    & skf18("8","1","8","8","9","4","1") = "8"
    & skf18("8","1","8","8","9","5","1") = "8"
    & skf18("8","1","8","8","9","6","1") = "8"
    & skf18("8","1","8","8","9","7","1") = "8"
    & skf18("8","1","8","8","9","8","1") = "8"
    & skf18("8","1","8","8","9","9","1") = "8"
    & skf18("8","1","8","8","9","10","1") = "9"
    & skf18("8","1","8","8","10","1","1") = "9"
    & skf18("8","1","8","8","10","2","1") = "9"
    & skf18("8","1","8","8","10","3","1") = "9"
    & skf18("8","1","8","8","10","4","1") = "9"
    & skf18("8","1","8","8","10","5","1") = "9"
    & skf18("8","1","8","8","10","6","1") = "9"
    & skf18("8","1","8","8","10","7","1") = "9"
    & skf18("8","1","8","8","10","8","1") = "9"
    & skf18("8","1","8","8","10","9","1") = "9"
    & skf18("8","1","8","8","10","10","1") = "9"
    & skf18("8","1","8","9","1","1","1") = "8"
    & skf18("8","1","8","9","1","2","1") = "8"
    & skf18("8","1","8","9","1","3","1") = "8"
    & skf18("8","1","8","9","1","4","1") = "8"
    & skf18("8","1","8","9","1","5","1") = "8"
    & skf18("8","1","8","9","1","6","1") = "8"
    & skf18("8","1","8","9","1","7","1") = "8"
    & skf18("8","1","8","9","1","8","1") = "8"
    & skf18("8","1","8","9","1","9","1") = "8"
    & skf18("8","1","8","9","1","10","1") = "9"
    & skf18("8","1","8","9","2","1","1") = "8"
    & skf18("8","1","8","9","2","2","1") = "8"
    & skf18("8","1","8","9","2","3","1") = "8"
    & skf18("8","1","8","9","2","4","1") = "8"
    & skf18("8","1","8","9","2","5","1") = "8"
    & skf18("8","1","8","9","2","6","1") = "8"
    & skf18("8","1","8","9","2","7","1") = "8"
    & skf18("8","1","8","9","2","8","1") = "8"
    & skf18("8","1","8","9","2","9","1") = "8"
    & skf18("8","1","8","9","2","10","1") = "9"
    & skf18("8","1","8","9","3","1","1") = "8"
    & skf18("8","1","8","9","3","2","1") = "8"
    & skf18("8","1","8","9","3","3","1") = "8"
    & skf18("8","1","8","9","3","4","1") = "8"
    & skf18("8","1","8","9","3","5","1") = "8"
    & skf18("8","1","8","9","3","6","1") = "8"
    & skf18("8","1","8","9","3","7","1") = "8"
    & skf18("8","1","8","9","3","8","1") = "8"
    & skf18("8","1","8","9","3","9","1") = "8"
    & skf18("8","1","8","9","3","10","1") = "9"
    & skf18("8","1","8","9","4","1","1") = "8"
    & skf18("8","1","8","9","4","2","1") = "8"
    & skf18("8","1","8","9","4","3","1") = "8"
    & skf18("8","1","8","9","4","4","1") = "8"
    & skf18("8","1","8","9","4","5","1") = "8"
    & skf18("8","1","8","9","4","6","1") = "8"
    & skf18("8","1","8","9","4","7","1") = "8"
    & skf18("8","1","8","9","4","8","1") = "8"
    & skf18("8","1","8","9","4","9","1") = "8"
    & skf18("8","1","8","9","4","10","1") = "9"
    & skf18("8","1","8","9","5","1","1") = "8"
    & skf18("8","1","8","9","5","2","1") = "8"
    & skf18("8","1","8","9","5","3","1") = "8"
    & skf18("8","1","8","9","5","4","1") = "8"
    & skf18("8","1","8","9","5","5","1") = "8"
    & skf18("8","1","8","9","5","6","1") = "8"
    & skf18("8","1","8","9","5","7","1") = "8"
    & skf18("8","1","8","9","5","8","1") = "8"
    & skf18("8","1","8","9","5","9","1") = "8"
    & skf18("8","1","8","9","5","10","1") = "9"
    & skf18("8","1","8","9","6","1","1") = "8"
    & skf18("8","1","8","9","6","2","1") = "8"
    & skf18("8","1","8","9","6","3","1") = "8"
    & skf18("8","1","8","9","6","4","1") = "8"
    & skf18("8","1","8","9","6","5","1") = "8"
    & skf18("8","1","8","9","6","6","1") = "8"
    & skf18("8","1","8","9","6","7","1") = "8"
    & skf18("8","1","8","9","6","8","1") = "8"
    & skf18("8","1","8","9","6","9","1") = "8"
    & skf18("8","1","8","9","6","10","1") = "9"
    & skf18("8","1","8","9","7","1","1") = "8"
    & skf18("8","1","8","9","7","2","1") = "8"
    & skf18("8","1","8","9","7","3","1") = "8"
    & skf18("8","1","8","9","7","4","1") = "8"
    & skf18("8","1","8","9","7","5","1") = "8"
    & skf18("8","1","8","9","7","6","1") = "8"
    & skf18("8","1","8","9","7","7","1") = "8"
    & skf18("8","1","8","9","7","8","1") = "8"
    & skf18("8","1","8","9","7","9","1") = "8"
    & skf18("8","1","8","9","7","10","1") = "9"
    & skf18("8","1","8","9","8","1","1") = "8"
    & skf18("8","1","8","9","8","2","1") = "8"
    & skf18("8","1","8","9","8","3","1") = "8"
    & skf18("8","1","8","9","8","4","1") = "8"
    & skf18("8","1","8","9","8","5","1") = "8"
    & skf18("8","1","8","9","8","6","1") = "8"
    & skf18("8","1","8","9","8","7","1") = "8"
    & skf18("8","1","8","9","8","8","1") = "8"
    & skf18("8","1","8","9","8","9","1") = "8"
    & skf18("8","1","8","9","8","10","1") = "9"
    & skf18("8","1","8","9","9","1","1") = "8"
    & skf18("8","1","8","9","9","2","1") = "8"
    & skf18("8","1","8","9","9","3","1") = "8"
    & skf18("8","1","8","9","9","4","1") = "8"
    & skf18("8","1","8","9","9","5","1") = "8"
    & skf18("8","1","8","9","9","6","1") = "8"
    & skf18("8","1","8","9","9","7","1") = "8"
    & skf18("8","1","8","9","9","8","1") = "8"
    & skf18("8","1","8","9","9","9","1") = "8"
    & skf18("8","1","8","9","9","10","1") = "9"
    & skf18("8","1","8","9","10","1","1") = "9"
    & skf18("8","1","8","9","10","2","1") = "9"
    & skf18("8","1","8","9","10","3","1") = "9"
    & skf18("8","1","8","9","10","4","1") = "9"
    & skf18("8","1","8","9","10","5","1") = "9"
    & skf18("8","1","8","9","10","6","1") = "9"
    & skf18("8","1","8","9","10","7","1") = "9"
    & skf18("8","1","8","9","10","8","1") = "9"
    & skf18("8","1","8","9","10","9","1") = "9"
    & skf18("8","1","8","9","10","10","1") = "9"
    & skf18("8","1","8","10","1","1","1") = "9"
    & skf18("8","1","8","10","1","2","1") = "9"
    & skf18("8","1","8","10","1","3","1") = "9"
    & skf18("8","1","8","10","1","4","1") = "9"
    & skf18("8","1","8","10","1","5","1") = "9"
    & skf18("8","1","8","10","1","6","1") = "9"
    & skf18("8","1","8","10","1","7","1") = "9"
    & skf18("8","1","8","10","1","8","1") = "9"
    & skf18("8","1","8","10","1","9","1") = "9"
    & skf18("8","1","8","10","1","10","1") = "9"
    & skf18("8","1","8","10","2","1","1") = "9"
    & skf18("8","1","8","10","2","2","1") = "9"
    & skf18("8","1","8","10","2","3","1") = "9"
    & skf18("8","1","8","10","2","4","1") = "9"
    & skf18("8","1","8","10","2","5","1") = "9"
    & skf18("8","1","8","10","2","6","1") = "9"
    & skf18("8","1","8","10","2","7","1") = "9"
    & skf18("8","1","8","10","2","8","1") = "9"
    & skf18("8","1","8","10","2","9","1") = "9"
    & skf18("8","1","8","10","2","10","1") = "9"
    & skf18("8","1","8","10","3","1","1") = "9"
    & skf18("8","1","8","10","3","2","1") = "9"
    & skf18("8","1","8","10","3","3","1") = "9"
    & skf18("8","1","8","10","3","4","1") = "9"
    & skf18("8","1","8","10","3","5","1") = "9"
    & skf18("8","1","8","10","3","6","1") = "9"
    & skf18("8","1","8","10","3","7","1") = "9"
    & skf18("8","1","8","10","3","8","1") = "9"
    & skf18("8","1","8","10","3","9","1") = "9"
    & skf18("8","1","8","10","3","10","1") = "9"
    & skf18("8","1","8","10","4","1","1") = "9"
    & skf18("8","1","8","10","4","2","1") = "9"
    & skf18("8","1","8","10","4","3","1") = "9"
    & skf18("8","1","8","10","4","4","1") = "9"
    & skf18("8","1","8","10","4","5","1") = "9"
    & skf18("8","1","8","10","4","6","1") = "9"
    & skf18("8","1","8","10","4","7","1") = "9"
    & skf18("8","1","8","10","4","8","1") = "9"
    & skf18("8","1","8","10","4","9","1") = "9"
    & skf18("8","1","8","10","4","10","1") = "9"
    & skf18("8","1","8","10","5","1","1") = "9"
    & skf18("8","1","8","10","5","2","1") = "9"
    & skf18("8","1","8","10","5","3","1") = "9"
    & skf18("8","1","8","10","5","4","1") = "9"
    & skf18("8","1","8","10","5","5","1") = "9"
    & skf18("8","1","8","10","5","6","1") = "9"
    & skf18("8","1","8","10","5","7","1") = "9"
    & skf18("8","1","8","10","5","8","1") = "9"
    & skf18("8","1","8","10","5","9","1") = "9"
    & skf18("8","1","8","10","5","10","1") = "9"
    & skf18("8","1","8","10","6","1","1") = "9"
    & skf18("8","1","8","10","6","2","1") = "9"
    & skf18("8","1","8","10","6","3","1") = "9"
    & skf18("8","1","8","10","6","4","1") = "9"
    & skf18("8","1","8","10","6","5","1") = "9"
    & skf18("8","1","8","10","6","6","1") = "9"
    & skf18("8","1","8","10","6","7","1") = "9"
    & skf18("8","1","8","10","6","8","1") = "9"
    & skf18("8","1","8","10","6","9","1") = "9"
    & skf18("8","1","8","10","6","10","1") = "9"
    & skf18("8","1","8","10","7","1","1") = "9"
    & skf18("8","1","8","10","7","2","1") = "9"
    & skf18("8","1","8","10","7","3","1") = "9"
    & skf18("8","1","8","10","7","4","1") = "9"
    & skf18("8","1","8","10","7","5","1") = "9"
    & skf18("8","1","8","10","7","6","1") = "9"
    & skf18("8","1","8","10","7","7","1") = "9"
    & skf18("8","1","8","10","7","8","1") = "9"
    & skf18("8","1","8","10","7","9","1") = "9"
    & skf18("8","1","8","10","7","10","1") = "9"
    & skf18("8","1","8","10","8","1","1") = "9"
    & skf18("8","1","8","10","8","2","1") = "9"
    & skf18("8","1","8","10","8","3","1") = "9"
    & skf18("8","1","8","10","8","4","1") = "9"
    & skf18("8","1","8","10","8","5","1") = "9"
    & skf18("8","1","8","10","8","6","1") = "9"
    & skf18("8","1","8","10","8","7","1") = "9"
    & skf18("8","1","8","10","8","8","1") = "9"
    & skf18("8","1","8","10","8","9","1") = "9"
    & skf18("8","1","8","10","8","10","1") = "9"
    & skf18("8","1","8","10","9","1","1") = "9"
    & skf18("8","1","8","10","9","2","1") = "9"
    & skf18("8","1","8","10","9","3","1") = "9"
    & skf18("8","1","8","10","9","4","1") = "9"
    & skf18("8","1","8","10","9","5","1") = "9"
    & skf18("8","1","8","10","9","6","1") = "9"
    & skf18("8","1","8","10","9","7","1") = "9"
    & skf18("8","1","8","10","9","8","1") = "9"
    & skf18("8","1","8","10","9","9","1") = "9"
    & skf18("8","1","8","10","9","10","1") = "9"
    & skf18("8","1","8","10","10","1","1") = "9"
    & skf18("8","1","8","10","10","2","1") = "9"
    & skf18("8","1","8","10","10","3","1") = "9"
    & skf18("8","1","8","10","10","4","1") = "9"
    & skf18("8","1","8","10","10","5","1") = "9"
    & skf18("8","1","8","10","10","6","1") = "9"
    & skf18("8","1","8","10","10","7","1") = "9"
    & skf18("8","1","8","10","10","8","1") = "9"
    & skf18("8","1","8","10","10","9","1") = "9"
    & skf18("8","1","8","10","10","10","1") = "9"
    & skf18("8","1","9","1","1","1","1") = "8"
    & skf18("8","1","9","1","1","2","1") = "8"
    & skf18("8","1","9","1","1","3","1") = "8"
    & skf18("8","1","9","1","1","4","1") = "8"
    & skf18("8","1","9","1","1","5","1") = "8"
    & skf18("8","1","9","1","1","6","1") = "8"
    & skf18("8","1","9","1","1","7","1") = "8"
    & skf18("8","1","9","1","1","8","1") = "8"
    & skf18("8","1","9","1","1","9","1") = "8"
    & skf18("8","1","9","1","1","10","1") = "9"
    & skf18("8","1","9","1","2","1","1") = "8"
    & skf18("8","1","9","1","2","2","1") = "8"
    & skf18("8","1","9","1","2","3","1") = "8"
    & skf18("8","1","9","1","2","4","1") = "8"
    & skf18("8","1","9","1","2","5","1") = "8"
    & skf18("8","1","9","1","2","6","1") = "8"
    & skf18("8","1","9","1","2","7","1") = "8"
    & skf18("8","1","9","1","2","8","1") = "8"
    & skf18("8","1","9","1","2","9","1") = "8"
    & skf18("8","1","9","1","2","10","1") = "9"
    & skf18("8","1","9","1","3","1","1") = "8"
    & skf18("8","1","9","1","3","2","1") = "8"
    & skf18("8","1","9","1","3","3","1") = "8"
    & skf18("8","1","9","1","3","4","1") = "8"
    & skf18("8","1","9","1","3","5","1") = "8"
    & skf18("8","1","9","1","3","6","1") = "8"
    & skf18("8","1","9","1","3","7","1") = "8"
    & skf18("8","1","9","1","3","8","1") = "8"
    & skf18("8","1","9","1","3","9","1") = "8"
    & skf18("8","1","9","1","3","10","1") = "9"
    & skf18("8","1","9","1","4","1","1") = "8"
    & skf18("8","1","9","1","4","2","1") = "8"
    & skf18("8","1","9","1","4","3","1") = "8"
    & skf18("8","1","9","1","4","4","1") = "8"
    & skf18("8","1","9","1","4","5","1") = "8"
    & skf18("8","1","9","1","4","6","1") = "8"
    & skf18("8","1","9","1","4","7","1") = "8"
    & skf18("8","1","9","1","4","8","1") = "8"
    & skf18("8","1","9","1","4","9","1") = "8"
    & skf18("8","1","9","1","4","10","1") = "9"
    & skf18("8","1","9","1","5","1","1") = "8"
    & skf18("8","1","9","1","5","2","1") = "8"
    & skf18("8","1","9","1","5","3","1") = "8"
    & skf18("8","1","9","1","5","4","1") = "8"
    & skf18("8","1","9","1","5","5","1") = "8"
    & skf18("8","1","9","1","5","6","1") = "8"
    & skf18("8","1","9","1","5","7","1") = "8"
    & skf18("8","1","9","1","5","8","1") = "8"
    & skf18("8","1","9","1","5","9","1") = "8"
    & skf18("8","1","9","1","5","10","1") = "9"
    & skf18("8","1","9","1","6","1","1") = "8"
    & skf18("8","1","9","1","6","2","1") = "8"
    & skf18("8","1","9","1","6","3","1") = "8"
    & skf18("8","1","9","1","6","4","1") = "8"
    & skf18("8","1","9","1","6","5","1") = "8"
    & skf18("8","1","9","1","6","6","1") = "8"
    & skf18("8","1","9","1","6","7","1") = "8"
    & skf18("8","1","9","1","6","8","1") = "8"
    & skf18("8","1","9","1","6","9","1") = "8"
    & skf18("8","1","9","1","6","10","1") = "9"
    & skf18("8","1","9","1","7","1","1") = "8"
    & skf18("8","1","9","1","7","2","1") = "8"
    & skf18("8","1","9","1","7","3","1") = "8"
    & skf18("8","1","9","1","7","4","1") = "8"
    & skf18("8","1","9","1","7","5","1") = "8"
    & skf18("8","1","9","1","7","6","1") = "8"
    & skf18("8","1","9","1","7","7","1") = "8"
    & skf18("8","1","9","1","7","8","1") = "8"
    & skf18("8","1","9","1","7","9","1") = "8"
    & skf18("8","1","9","1","7","10","1") = "9"
    & skf18("8","1","9","1","8","1","1") = "8"
    & skf18("8","1","9","1","8","2","1") = "8"
    & skf18("8","1","9","1","8","3","1") = "8"
    & skf18("8","1","9","1","8","4","1") = "8"
    & skf18("8","1","9","1","8","5","1") = "8"
    & skf18("8","1","9","1","8","6","1") = "8"
    & skf18("8","1","9","1","8","7","1") = "8"
    & skf18("8","1","9","1","8","8","1") = "8"
    & skf18("8","1","9","1","8","9","1") = "8"
    & skf18("8","1","9","1","8","10","1") = "9"
    & skf18("8","1","9","1","9","1","1") = "8"
    & skf18("8","1","9","1","9","2","1") = "8"
    & skf18("8","1","9","1","9","3","1") = "8"
    & skf18("8","1","9","1","9","4","1") = "8"
    & skf18("8","1","9","1","9","5","1") = "8"
    & skf18("8","1","9","1","9","6","1") = "8"
    & skf18("8","1","9","1","9","7","1") = "8"
    & skf18("8","1","9","1","9","8","1") = "8"
    & skf18("8","1","9","1","9","9","1") = "8"
    & skf18("8","1","9","1","9","10","1") = "9"
    & skf18("8","1","9","1","10","1","1") = "9"
    & skf18("8","1","9","1","10","2","1") = "9"
    & skf18("8","1","9","1","10","3","1") = "9"
    & skf18("8","1","9","1","10","4","1") = "9"
    & skf18("8","1","9","1","10","5","1") = "9"
    & skf18("8","1","9","1","10","6","1") = "9"
    & skf18("8","1","9","1","10","7","1") = "9"
    & skf18("8","1","9","1","10","8","1") = "9"
    & skf18("8","1","9","1","10","9","1") = "9"
    & skf18("8","1","9","1","10","10","1") = "9"
    & skf18("8","1","9","2","1","1","1") = "8"
    & skf18("8","1","9","2","1","2","1") = "8"
    & skf18("8","1","9","2","1","3","1") = "8"
    & skf18("8","1","9","2","1","4","1") = "8"
    & skf18("8","1","9","2","1","5","1") = "8"
    & skf18("8","1","9","2","1","6","1") = "8"
    & skf18("8","1","9","2","1","7","1") = "8"
    & skf18("8","1","9","2","1","8","1") = "8"
    & skf18("8","1","9","2","1","9","1") = "8"
    & skf18("8","1","9","2","1","10","1") = "9"
    & skf18("8","1","9","2","2","1","1") = "8"
    & skf18("8","1","9","2","2","2","1") = "8"
    & skf18("8","1","9","2","2","3","1") = "8"
    & skf18("8","1","9","2","2","4","1") = "8"
    & skf18("8","1","9","2","2","5","1") = "8"
    & skf18("8","1","9","2","2","6","1") = "8"
    & skf18("8","1","9","2","2","7","1") = "8"
    & skf18("8","1","9","2","2","8","1") = "8"
    & skf18("8","1","9","2","2","9","1") = "8"
    & skf18("8","1","9","2","2","10","1") = "9"
    & skf18("8","1","9","2","3","1","1") = "8"
    & skf18("8","1","9","2","3","2","1") = "8"
    & skf18("8","1","9","2","3","3","1") = "8"
    & skf18("8","1","9","2","3","4","1") = "8"
    & skf18("8","1","9","2","3","5","1") = "8"
    & skf18("8","1","9","2","3","6","1") = "8"
    & skf18("8","1","9","2","3","7","1") = "8"
    & skf18("8","1","9","2","3","8","1") = "8"
    & skf18("8","1","9","2","3","9","1") = "8"
    & skf18("8","1","9","2","3","10","1") = "9"
    & skf18("8","1","9","2","4","1","1") = "8"
    & skf18("8","1","9","2","4","2","1") = "8"
    & skf18("8","1","9","2","4","3","1") = "8"
    & skf18("8","1","9","2","4","4","1") = "8"
    & skf18("8","1","9","2","4","5","1") = "8"
    & skf18("8","1","9","2","4","6","1") = "8"
    & skf18("8","1","9","2","4","7","1") = "8"
    & skf18("8","1","9","2","4","8","1") = "8"
    & skf18("8","1","9","2","4","9","1") = "8"
    & skf18("8","1","9","2","4","10","1") = "9"
    & skf18("8","1","9","2","5","1","1") = "8"
    & skf18("8","1","9","2","5","2","1") = "8"
    & skf18("8","1","9","2","5","3","1") = "8"
    & skf18("8","1","9","2","5","4","1") = "8"
    & skf18("8","1","9","2","5","5","1") = "8"
    & skf18("8","1","9","2","5","6","1") = "8"
    & skf18("8","1","9","2","5","7","1") = "8"
    & skf18("8","1","9","2","5","8","1") = "8"
    & skf18("8","1","9","2","5","9","1") = "8"
    & skf18("8","1","9","2","5","10","1") = "9"
    & skf18("8","1","9","2","6","1","1") = "8"
    & skf18("8","1","9","2","6","2","1") = "8"
    & skf18("8","1","9","2","6","3","1") = "8"
    & skf18("8","1","9","2","6","4","1") = "8"
    & skf18("8","1","9","2","6","5","1") = "8"
    & skf18("8","1","9","2","6","6","1") = "8"
    & skf18("8","1","9","2","6","7","1") = "8"
    & skf18("8","1","9","2","6","8","1") = "8"
    & skf18("8","1","9","2","6","9","1") = "8"
    & skf18("8","1","9","2","6","10","1") = "9"
    & skf18("8","1","9","2","7","1","1") = "8"
    & skf18("8","1","9","2","7","2","1") = "8"
    & skf18("8","1","9","2","7","3","1") = "8"
    & skf18("8","1","9","2","7","4","1") = "8"
    & skf18("8","1","9","2","7","5","1") = "8"
    & skf18("8","1","9","2","7","6","1") = "8"
    & skf18("8","1","9","2","7","7","1") = "8"
    & skf18("8","1","9","2","7","8","1") = "8"
    & skf18("8","1","9","2","7","9","1") = "8"
    & skf18("8","1","9","2","7","10","1") = "9"
    & skf18("8","1","9","2","8","1","1") = "8"
    & skf18("8","1","9","2","8","2","1") = "8"
    & skf18("8","1","9","2","8","3","1") = "8"
    & skf18("8","1","9","2","8","4","1") = "8"
    & skf18("8","1","9","2","8","5","1") = "8"
    & skf18("8","1","9","2","8","6","1") = "8"
    & skf18("8","1","9","2","8","7","1") = "8"
    & skf18("8","1","9","2","8","8","1") = "8"
    & skf18("8","1","9","2","8","9","1") = "8"
    & skf18("8","1","9","2","8","10","1") = "9"
    & skf18("8","1","9","2","9","1","1") = "8"
    & skf18("8","1","9","2","9","2","1") = "8"
    & skf18("8","1","9","2","9","3","1") = "8"
    & skf18("8","1","9","2","9","4","1") = "8"
    & skf18("8","1","9","2","9","5","1") = "8"
    & skf18("8","1","9","2","9","6","1") = "8"
    & skf18("8","1","9","2","9","7","1") = "8"
    & skf18("8","1","9","2","9","8","1") = "8"
    & skf18("8","1","9","2","9","9","1") = "8"
    & skf18("8","1","9","2","9","10","1") = "9"
    & skf18("8","1","9","2","10","1","1") = "9"
    & skf18("8","1","9","2","10","2","1") = "9"
    & skf18("8","1","9","2","10","3","1") = "9"
    & skf18("8","1","9","2","10","4","1") = "9"
    & skf18("8","1","9","2","10","5","1") = "9"
    & skf18("8","1","9","2","10","6","1") = "9"
    & skf18("8","1","9","2","10","7","1") = "9"
    & skf18("8","1","9","2","10","8","1") = "9"
    & skf18("8","1","9","2","10","9","1") = "9"
    & skf18("8","1","9","2","10","10","1") = "9"
    & skf18("8","1","9","3","1","1","1") = "8"
    & skf18("8","1","9","3","1","2","1") = "8"
    & skf18("8","1","9","3","1","3","1") = "8"
    & skf18("8","1","9","3","1","4","1") = "8"
    & skf18("8","1","9","3","1","5","1") = "8"
    & skf18("8","1","9","3","1","6","1") = "8"
    & skf18("8","1","9","3","1","7","1") = "8"
    & skf18("8","1","9","3","1","8","1") = "8"
    & skf18("8","1","9","3","1","9","1") = "8"
    & skf18("8","1","9","3","1","10","1") = "9"
    & skf18("8","1","9","3","2","1","1") = "8"
    & skf18("8","1","9","3","2","2","1") = "8"
    & skf18("8","1","9","3","2","3","1") = "8"
    & skf18("8","1","9","3","2","4","1") = "8"
    & skf18("8","1","9","3","2","5","1") = "8"
    & skf18("8","1","9","3","2","6","1") = "8"
    & skf18("8","1","9","3","2","7","1") = "8"
    & skf18("8","1","9","3","2","8","1") = "8"
    & skf18("8","1","9","3","2","9","1") = "8"
    & skf18("8","1","9","3","2","10","1") = "9"
    & skf18("8","1","9","3","3","1","1") = "8"
    & skf18("8","1","9","3","3","2","1") = "8"
    & skf18("8","1","9","3","3","3","1") = "8"
    & skf18("8","1","9","3","3","4","1") = "8"
    & skf18("8","1","9","3","3","5","1") = "8"
    & skf18("8","1","9","3","3","6","1") = "8"
    & skf18("8","1","9","3","3","7","1") = "8"
    & skf18("8","1","9","3","3","8","1") = "8"
    & skf18("8","1","9","3","3","9","1") = "8"
    & skf18("8","1","9","3","3","10","1") = "9"
    & skf18("8","1","9","3","4","1","1") = "8"
    & skf18("8","1","9","3","4","2","1") = "8"
    & skf18("8","1","9","3","4","3","1") = "8"
    & skf18("8","1","9","3","4","4","1") = "8"
    & skf18("8","1","9","3","4","5","1") = "8"
    & skf18("8","1","9","3","4","6","1") = "8"
    & skf18("8","1","9","3","4","7","1") = "8"
    & skf18("8","1","9","3","4","8","1") = "8"
    & skf18("8","1","9","3","4","9","1") = "8"
    & skf18("8","1","9","3","4","10","1") = "9"
    & skf18("8","1","9","3","5","1","1") = "8"
    & skf18("8","1","9","3","5","2","1") = "8"
    & skf18("8","1","9","3","5","3","1") = "8"
    & skf18("8","1","9","3","5","4","1") = "8"
    & skf18("8","1","9","3","5","5","1") = "8"
    & skf18("8","1","9","3","5","6","1") = "8"
    & skf18("8","1","9","3","5","7","1") = "8"
    & skf18("8","1","9","3","5","8","1") = "8"
    & skf18("8","1","9","3","5","9","1") = "8"
    & skf18("8","1","9","3","5","10","1") = "9"
    & skf18("8","1","9","3","6","1","1") = "8"
    & skf18("8","1","9","3","6","2","1") = "8"
    & skf18("8","1","9","3","6","3","1") = "8"
    & skf18("8","1","9","3","6","4","1") = "8"
    & skf18("8","1","9","3","6","5","1") = "8"
    & skf18("8","1","9","3","6","6","1") = "8"
    & skf18("8","1","9","3","6","7","1") = "8"
    & skf18("8","1","9","3","6","8","1") = "8"
    & skf18("8","1","9","3","6","9","1") = "8"
    & skf18("8","1","9","3","6","10","1") = "9"
    & skf18("8","1","9","3","7","1","1") = "8"
    & skf18("8","1","9","3","7","2","1") = "8"
    & skf18("8","1","9","3","7","3","1") = "8"
    & skf18("8","1","9","3","7","4","1") = "8"
    & skf18("8","1","9","3","7","5","1") = "8"
    & skf18("8","1","9","3","7","6","1") = "8"
    & skf18("8","1","9","3","7","7","1") = "8"
    & skf18("8","1","9","3","7","8","1") = "8"
    & skf18("8","1","9","3","7","9","1") = "8"
    & skf18("8","1","9","3","7","10","1") = "9"
    & skf18("8","1","9","3","8","1","1") = "8"
    & skf18("8","1","9","3","8","2","1") = "8"
    & skf18("8","1","9","3","8","3","1") = "8"
    & skf18("8","1","9","3","8","4","1") = "8"
    & skf18("8","1","9","3","8","5","1") = "8"
    & skf18("8","1","9","3","8","6","1") = "8"
    & skf18("8","1","9","3","8","7","1") = "8"
    & skf18("8","1","9","3","8","8","1") = "8"
    & skf18("8","1","9","3","8","9","1") = "8"
    & skf18("8","1","9","3","8","10","1") = "9"
    & skf18("8","1","9","3","9","1","1") = "8"
    & skf18("8","1","9","3","9","2","1") = "8"
    & skf18("8","1","9","3","9","3","1") = "8"
    & skf18("8","1","9","3","9","4","1") = "8"
    & skf18("8","1","9","3","9","5","1") = "8"
    & skf18("8","1","9","3","9","6","1") = "8"
    & skf18("8","1","9","3","9","7","1") = "8"
    & skf18("8","1","9","3","9","8","1") = "8"
    & skf18("8","1","9","3","9","9","1") = "8"
    & skf18("8","1","9","3","9","10","1") = "9"
    & skf18("8","1","9","3","10","1","1") = "9"
    & skf18("8","1","9","3","10","2","1") = "9"
    & skf18("8","1","9","3","10","3","1") = "9"
    & skf18("8","1","9","3","10","4","1") = "9"
    & skf18("8","1","9","3","10","5","1") = "9"
    & skf18("8","1","9","3","10","6","1") = "9"
    & skf18("8","1","9","3","10","7","1") = "9"
    & skf18("8","1","9","3","10","8","1") = "9"
    & skf18("8","1","9","3","10","9","1") = "9"
    & skf18("8","1","9","3","10","10","1") = "9"
    & skf18("8","1","9","4","1","1","1") = "8"
    & skf18("8","1","9","4","1","2","1") = "8"
    & skf18("8","1","9","4","1","3","1") = "8"
    & skf18("8","1","9","4","1","4","1") = "8"
    & skf18("8","1","9","4","1","5","1") = "8"
    & skf18("8","1","9","4","1","6","1") = "8"
    & skf18("8","1","9","4","1","7","1") = "8"
    & skf18("8","1","9","4","1","8","1") = "8"
    & skf18("8","1","9","4","1","9","1") = "8"
    & skf18("8","1","9","4","1","10","1") = "9"
    & skf18("8","1","9","4","2","1","1") = "8"
    & skf18("8","1","9","4","2","2","1") = "8"
    & skf18("8","1","9","4","2","3","1") = "8"
    & skf18("8","1","9","4","2","4","1") = "8"
    & skf18("8","1","9","4","2","5","1") = "8"
    & skf18("8","1","9","4","2","6","1") = "8"
    & skf18("8","1","9","4","2","7","1") = "8"
    & skf18("8","1","9","4","2","8","1") = "8"
    & skf18("8","1","9","4","2","9","1") = "8"
    & skf18("8","1","9","4","2","10","1") = "9"
    & skf18("8","1","9","4","3","1","1") = "8"
    & skf18("8","1","9","4","3","2","1") = "8"
    & skf18("8","1","9","4","3","3","1") = "8"
    & skf18("8","1","9","4","3","4","1") = "8"
    & skf18("8","1","9","4","3","5","1") = "8"
    & skf18("8","1","9","4","3","6","1") = "8"
    & skf18("8","1","9","4","3","7","1") = "8"
    & skf18("8","1","9","4","3","8","1") = "8"
    & skf18("8","1","9","4","3","9","1") = "8"
    & skf18("8","1","9","4","3","10","1") = "9"
    & skf18("8","1","9","4","4","1","1") = "8"
    & skf18("8","1","9","4","4","2","1") = "8"
    & skf18("8","1","9","4","4","3","1") = "8"
    & skf18("8","1","9","4","4","4","1") = "8"
    & skf18("8","1","9","4","4","5","1") = "8"
    & skf18("8","1","9","4","4","6","1") = "8"
    & skf18("8","1","9","4","4","7","1") = "8"
    & skf18("8","1","9","4","4","8","1") = "8"
    & skf18("8","1","9","4","4","9","1") = "8"
    & skf18("8","1","9","4","4","10","1") = "9"
    & skf18("8","1","9","4","5","1","1") = "8"
    & skf18("8","1","9","4","5","2","1") = "8"
    & skf18("8","1","9","4","5","3","1") = "8"
    & skf18("8","1","9","4","5","4","1") = "8"
    & skf18("8","1","9","4","5","5","1") = "8"
    & skf18("8","1","9","4","5","6","1") = "8"
    & skf18("8","1","9","4","5","7","1") = "8"
    & skf18("8","1","9","4","5","8","1") = "8"
    & skf18("8","1","9","4","5","9","1") = "8"
    & skf18("8","1","9","4","5","10","1") = "9"
    & skf18("8","1","9","4","6","1","1") = "8"
    & skf18("8","1","9","4","6","2","1") = "8"
    & skf18("8","1","9","4","6","3","1") = "8"
    & skf18("8","1","9","4","6","4","1") = "8"
    & skf18("8","1","9","4","6","5","1") = "8"
    & skf18("8","1","9","4","6","6","1") = "8"
    & skf18("8","1","9","4","6","7","1") = "8"
    & skf18("8","1","9","4","6","8","1") = "8"
    & skf18("8","1","9","4","6","9","1") = "8"
    & skf18("8","1","9","4","6","10","1") = "9"
    & skf18("8","1","9","4","7","1","1") = "8"
    & skf18("8","1","9","4","7","2","1") = "8"
    & skf18("8","1","9","4","7","3","1") = "8"
    & skf18("8","1","9","4","7","4","1") = "8"
    & skf18("8","1","9","4","7","5","1") = "8"
    & skf18("8","1","9","4","7","6","1") = "8"
    & skf18("8","1","9","4","7","7","1") = "8"
    & skf18("8","1","9","4","7","8","1") = "8"
    & skf18("8","1","9","4","7","9","1") = "8"
    & skf18("8","1","9","4","7","10","1") = "9"
    & skf18("8","1","9","4","8","1","1") = "8"
    & skf18("8","1","9","4","8","2","1") = "8"
    & skf18("8","1","9","4","8","3","1") = "8"
    & skf18("8","1","9","4","8","4","1") = "8"
    & skf18("8","1","9","4","8","5","1") = "8"
    & skf18("8","1","9","4","8","6","1") = "8"
    & skf18("8","1","9","4","8","7","1") = "8"
    & skf18("8","1","9","4","8","8","1") = "8"
    & skf18("8","1","9","4","8","9","1") = "8"
    & skf18("8","1","9","4","8","10","1") = "9"
    & skf18("8","1","9","4","9","1","1") = "8"
    & skf18("8","1","9","4","9","2","1") = "8"
    & skf18("8","1","9","4","9","3","1") = "8"
    & skf18("8","1","9","4","9","4","1") = "8"
    & skf18("8","1","9","4","9","5","1") = "8"
    & skf18("8","1","9","4","9","6","1") = "8"
    & skf18("8","1","9","4","9","7","1") = "8"
    & skf18("8","1","9","4","9","8","1") = "8"
    & skf18("8","1","9","4","9","9","1") = "8"
    & skf18("8","1","9","4","9","10","1") = "9"
    & skf18("8","1","9","4","10","1","1") = "9"
    & skf18("8","1","9","4","10","2","1") = "9"
    & skf18("8","1","9","4","10","3","1") = "9"
    & skf18("8","1","9","4","10","4","1") = "9"
    & skf18("8","1","9","4","10","5","1") = "9"
    & skf18("8","1","9","4","10","6","1") = "9"
    & skf18("8","1","9","4","10","7","1") = "9"
    & skf18("8","1","9","4","10","8","1") = "9"
    & skf18("8","1","9","4","10","9","1") = "9"
    & skf18("8","1","9","4","10","10","1") = "9"
    & skf18("8","1","9","5","1","1","1") = "8"
    & skf18("8","1","9","5","1","2","1") = "8"
    & skf18("8","1","9","5","1","3","1") = "8"
    & skf18("8","1","9","5","1","4","1") = "8"
    & skf18("8","1","9","5","1","5","1") = "8"
    & skf18("8","1","9","5","1","6","1") = "8"
    & skf18("8","1","9","5","1","7","1") = "8"
    & skf18("8","1","9","5","1","8","1") = "8"
    & skf18("8","1","9","5","1","9","1") = "8"
    & skf18("8","1","9","5","1","10","1") = "9"
    & skf18("8","1","9","5","2","1","1") = "8"
    & skf18("8","1","9","5","2","2","1") = "8"
    & skf18("8","1","9","5","2","3","1") = "8"
    & skf18("8","1","9","5","2","4","1") = "8"
    & skf18("8","1","9","5","2","5","1") = "8"
    & skf18("8","1","9","5","2","6","1") = "8"
    & skf18("8","1","9","5","2","7","1") = "8"
    & skf18("8","1","9","5","2","8","1") = "8"
    & skf18("8","1","9","5","2","9","1") = "8"
    & skf18("8","1","9","5","2","10","1") = "9"
    & skf18("8","1","9","5","3","1","1") = "8"
    & skf18("8","1","9","5","3","2","1") = "8"
    & skf18("8","1","9","5","3","3","1") = "8"
    & skf18("8","1","9","5","3","4","1") = "8"
    & skf18("8","1","9","5","3","5","1") = "8"
    & skf18("8","1","9","5","3","6","1") = "8"
    & skf18("8","1","9","5","3","7","1") = "8"
    & skf18("8","1","9","5","3","8","1") = "8"
    & skf18("8","1","9","5","3","9","1") = "8"
    & skf18("8","1","9","5","3","10","1") = "9"
    & skf18("8","1","9","5","4","1","1") = "8"
    & skf18("8","1","9","5","4","2","1") = "8"
    & skf18("8","1","9","5","4","3","1") = "8"
    & skf18("8","1","9","5","4","4","1") = "8"
    & skf18("8","1","9","5","4","5","1") = "8"
    & skf18("8","1","9","5","4","6","1") = "8"
    & skf18("8","1","9","5","4","7","1") = "8"
    & skf18("8","1","9","5","4","8","1") = "8"
    & skf18("8","1","9","5","4","9","1") = "8"
    & skf18("8","1","9","5","4","10","1") = "9"
    & skf18("8","1","9","5","5","1","1") = "8"
    & skf18("8","1","9","5","5","2","1") = "8"
    & skf18("8","1","9","5","5","3","1") = "8"
    & skf18("8","1","9","5","5","4","1") = "8"
    & skf18("8","1","9","5","5","5","1") = "8"
    & skf18("8","1","9","5","5","6","1") = "8"
    & skf18("8","1","9","5","5","7","1") = "8"
    & skf18("8","1","9","5","5","8","1") = "8"
    & skf18("8","1","9","5","5","9","1") = "8"
    & skf18("8","1","9","5","5","10","1") = "9"
    & skf18("8","1","9","5","6","1","1") = "8"
    & skf18("8","1","9","5","6","2","1") = "8"
    & skf18("8","1","9","5","6","3","1") = "8"
    & skf18("8","1","9","5","6","4","1") = "8"
    & skf18("8","1","9","5","6","5","1") = "8"
    & skf18("8","1","9","5","6","6","1") = "8"
    & skf18("8","1","9","5","6","7","1") = "8"
    & skf18("8","1","9","5","6","8","1") = "8"
    & skf18("8","1","9","5","6","9","1") = "8"
    & skf18("8","1","9","5","6","10","1") = "9"
    & skf18("8","1","9","5","7","1","1") = "8"
    & skf18("8","1","9","5","7","2","1") = "8"
    & skf18("8","1","9","5","7","3","1") = "8"
    & skf18("8","1","9","5","7","4","1") = "8"
    & skf18("8","1","9","5","7","5","1") = "8"
    & skf18("8","1","9","5","7","6","1") = "8"
    & skf18("8","1","9","5","7","7","1") = "8"
    & skf18("8","1","9","5","7","8","1") = "8"
    & skf18("8","1","9","5","7","9","1") = "8"
    & skf18("8","1","9","5","7","10","1") = "9"
    & skf18("8","1","9","5","8","1","1") = "8"
    & skf18("8","1","9","5","8","2","1") = "8"
    & skf18("8","1","9","5","8","3","1") = "8"
    & skf18("8","1","9","5","8","4","1") = "8"
    & skf18("8","1","9","5","8","5","1") = "8"
    & skf18("8","1","9","5","8","6","1") = "8"
    & skf18("8","1","9","5","8","7","1") = "8"
    & skf18("8","1","9","5","8","8","1") = "8"
    & skf18("8","1","9","5","8","9","1") = "8"
    & skf18("8","1","9","5","8","10","1") = "9"
    & skf18("8","1","9","5","9","1","1") = "8"
    & skf18("8","1","9","5","9","2","1") = "8"
    & skf18("8","1","9","5","9","3","1") = "8"
    & skf18("8","1","9","5","9","4","1") = "8"
    & skf18("8","1","9","5","9","5","1") = "8"
    & skf18("8","1","9","5","9","6","1") = "8"
    & skf18("8","1","9","5","9","7","1") = "8"
    & skf18("8","1","9","5","9","8","1") = "8"
    & skf18("8","1","9","5","9","9","1") = "8"
    & skf18("8","1","9","5","9","10","1") = "9"
    & skf18("8","1","9","5","10","1","1") = "9"
    & skf18("8","1","9","5","10","2","1") = "9"
    & skf18("8","1","9","5","10","3","1") = "9"
    & skf18("8","1","9","5","10","4","1") = "9"
    & skf18("8","1","9","5","10","5","1") = "9"
    & skf18("8","1","9","5","10","6","1") = "9"
    & skf18("8","1","9","5","10","7","1") = "9"
    & skf18("8","1","9","5","10","8","1") = "9"
    & skf18("8","1","9","5","10","9","1") = "9"
    & skf18("8","1","9","5","10","10","1") = "9"
    & skf18("8","1","9","6","1","1","1") = "8"
    & skf18("8","1","9","6","1","2","1") = "8"
    & skf18("8","1","9","6","1","3","1") = "8"
    & skf18("8","1","9","6","1","4","1") = "8"
    & skf18("8","1","9","6","1","5","1") = "8"
    & skf18("8","1","9","6","1","6","1") = "8"
    & skf18("8","1","9","6","1","7","1") = "8"
    & skf18("8","1","9","6","1","8","1") = "8"
    & skf18("8","1","9","6","1","9","1") = "8"
    & skf18("8","1","9","6","1","10","1") = "9"
    & skf18("8","1","9","6","2","1","1") = "8"
    & skf18("8","1","9","6","2","2","1") = "8"
    & skf18("8","1","9","6","2","3","1") = "8"
    & skf18("8","1","9","6","2","4","1") = "8"
    & skf18("8","1","9","6","2","5","1") = "8"
    & skf18("8","1","9","6","2","6","1") = "8"
    & skf18("8","1","9","6","2","7","1") = "8"
    & skf18("8","1","9","6","2","8","1") = "8"
    & skf18("8","1","9","6","2","9","1") = "8"
    & skf18("8","1","9","6","2","10","1") = "9"
    & skf18("8","1","9","6","3","1","1") = "8"
    & skf18("8","1","9","6","3","2","1") = "8"
    & skf18("8","1","9","6","3","3","1") = "8"
    & skf18("8","1","9","6","3","4","1") = "8"
    & skf18("8","1","9","6","3","5","1") = "8"
    & skf18("8","1","9","6","3","6","1") = "8"
    & skf18("8","1","9","6","3","7","1") = "8"
    & skf18("8","1","9","6","3","8","1") = "8"
    & skf18("8","1","9","6","3","9","1") = "8"
    & skf18("8","1","9","6","3","10","1") = "9"
    & skf18("8","1","9","6","4","1","1") = "8"
    & skf18("8","1","9","6","4","2","1") = "8"
    & skf18("8","1","9","6","4","3","1") = "8"
    & skf18("8","1","9","6","4","4","1") = "8"
    & skf18("8","1","9","6","4","5","1") = "8"
    & skf18("8","1","9","6","4","6","1") = "8"
    & skf18("8","1","9","6","4","7","1") = "8"
    & skf18("8","1","9","6","4","8","1") = "8"
    & skf18("8","1","9","6","4","9","1") = "8"
    & skf18("8","1","9","6","4","10","1") = "9"
    & skf18("8","1","9","6","5","1","1") = "8"
    & skf18("8","1","9","6","5","2","1") = "8"
    & skf18("8","1","9","6","5","3","1") = "8"
    & skf18("8","1","9","6","5","4","1") = "8"
    & skf18("8","1","9","6","5","5","1") = "8"
    & skf18("8","1","9","6","5","6","1") = "8"
    & skf18("8","1","9","6","5","7","1") = "8"
    & skf18("8","1","9","6","5","8","1") = "8"
    & skf18("8","1","9","6","5","9","1") = "8"
    & skf18("8","1","9","6","5","10","1") = "9"
    & skf18("8","1","9","6","6","1","1") = "8"
    & skf18("8","1","9","6","6","2","1") = "8"
    & skf18("8","1","9","6","6","3","1") = "8"
    & skf18("8","1","9","6","6","4","1") = "8"
    & skf18("8","1","9","6","6","5","1") = "8"
    & skf18("8","1","9","6","6","6","1") = "8"
    & skf18("8","1","9","6","6","7","1") = "8"
    & skf18("8","1","9","6","6","8","1") = "8"
    & skf18("8","1","9","6","6","9","1") = "8"
    & skf18("8","1","9","6","6","10","1") = "9"
    & skf18("8","1","9","6","7","1","1") = "8"
    & skf18("8","1","9","6","7","2","1") = "8"
    & skf18("8","1","9","6","7","3","1") = "8"
    & skf18("8","1","9","6","7","4","1") = "8"
    & skf18("8","1","9","6","7","5","1") = "8"
    & skf18("8","1","9","6","7","6","1") = "8"
    & skf18("8","1","9","6","7","7","1") = "8"
    & skf18("8","1","9","6","7","8","1") = "8"
    & skf18("8","1","9","6","7","9","1") = "8"
    & skf18("8","1","9","6","7","10","1") = "9"
    & skf18("8","1","9","6","8","1","1") = "8"
    & skf18("8","1","9","6","8","2","1") = "8"
    & skf18("8","1","9","6","8","3","1") = "8"
    & skf18("8","1","9","6","8","4","1") = "8"
    & skf18("8","1","9","6","8","5","1") = "8"
    & skf18("8","1","9","6","8","6","1") = "8"
    & skf18("8","1","9","6","8","7","1") = "8"
    & skf18("8","1","9","6","8","8","1") = "8"
    & skf18("8","1","9","6","8","9","1") = "8"
    & skf18("8","1","9","6","8","10","1") = "9"
    & skf18("8","1","9","6","9","1","1") = "8"
    & skf18("8","1","9","6","9","2","1") = "8"
    & skf18("8","1","9","6","9","3","1") = "8"
    & skf18("8","1","9","6","9","4","1") = "8"
    & skf18("8","1","9","6","9","5","1") = "8"
    & skf18("8","1","9","6","9","6","1") = "8"
    & skf18("8","1","9","6","9","7","1") = "8"
    & skf18("8","1","9","6","9","8","1") = "8"
    & skf18("8","1","9","6","9","9","1") = "8"
    & skf18("8","1","9","6","9","10","1") = "9"
    & skf18("8","1","9","6","10","1","1") = "9"
    & skf18("8","1","9","6","10","2","1") = "9"
    & skf18("8","1","9","6","10","3","1") = "9"
    & skf18("8","1","9","6","10","4","1") = "9"
    & skf18("8","1","9","6","10","5","1") = "9"
    & skf18("8","1","9","6","10","6","1") = "9"
    & skf18("8","1","9","6","10","7","1") = "9"
    & skf18("8","1","9","6","10","8","1") = "9"
    & skf18("8","1","9","6","10","9","1") = "9"
    & skf18("8","1","9","6","10","10","1") = "9"
    & skf18("8","1","9","7","1","1","1") = "8"
    & skf18("8","1","9","7","1","2","1") = "8"
    & skf18("8","1","9","7","1","3","1") = "8"
    & skf18("8","1","9","7","1","4","1") = "8"
    & skf18("8","1","9","7","1","5","1") = "8"
    & skf18("8","1","9","7","1","6","1") = "8"
    & skf18("8","1","9","7","1","7","1") = "8"
    & skf18("8","1","9","7","1","8","1") = "8"
    & skf18("8","1","9","7","1","9","1") = "8"
    & skf18("8","1","9","7","1","10","1") = "9"
    & skf18("8","1","9","7","2","1","1") = "8"
    & skf18("8","1","9","7","2","2","1") = "8"
    & skf18("8","1","9","7","2","3","1") = "8"
    & skf18("8","1","9","7","2","4","1") = "8"
    & skf18("8","1","9","7","2","5","1") = "8"
    & skf18("8","1","9","7","2","6","1") = "8"
    & skf18("8","1","9","7","2","7","1") = "8"
    & skf18("8","1","9","7","2","8","1") = "8"
    & skf18("8","1","9","7","2","9","1") = "8"
    & skf18("8","1","9","7","2","10","1") = "9"
    & skf18("8","1","9","7","3","1","1") = "8"
    & skf18("8","1","9","7","3","2","1") = "8"
    & skf18("8","1","9","7","3","3","1") = "8"
    & skf18("8","1","9","7","3","4","1") = "8"
    & skf18("8","1","9","7","3","5","1") = "8"
    & skf18("8","1","9","7","3","6","1") = "8"
    & skf18("8","1","9","7","3","7","1") = "8"
    & skf18("8","1","9","7","3","8","1") = "8"
    & skf18("8","1","9","7","3","9","1") = "8"
    & skf18("8","1","9","7","3","10","1") = "9"
    & skf18("8","1","9","7","4","1","1") = "8"
    & skf18("8","1","9","7","4","2","1") = "8"
    & skf18("8","1","9","7","4","3","1") = "8"
    & skf18("8","1","9","7","4","4","1") = "8"
    & skf18("8","1","9","7","4","5","1") = "8"
    & skf18("8","1","9","7","4","6","1") = "8"
    & skf18("8","1","9","7","4","7","1") = "8"
    & skf18("8","1","9","7","4","8","1") = "8"
    & skf18("8","1","9","7","4","9","1") = "8"
    & skf18("8","1","9","7","4","10","1") = "9"
    & skf18("8","1","9","7","5","1","1") = "8"
    & skf18("8","1","9","7","5","2","1") = "8"
    & skf18("8","1","9","7","5","3","1") = "8"
    & skf18("8","1","9","7","5","4","1") = "8"
    & skf18("8","1","9","7","5","5","1") = "8"
    & skf18("8","1","9","7","5","6","1") = "8"
    & skf18("8","1","9","7","5","7","1") = "8"
    & skf18("8","1","9","7","5","8","1") = "8"
    & skf18("8","1","9","7","5","9","1") = "8"
    & skf18("8","1","9","7","5","10","1") = "9"
    & skf18("8","1","9","7","6","1","1") = "8"
    & skf18("8","1","9","7","6","2","1") = "8"
    & skf18("8","1","9","7","6","3","1") = "8"
    & skf18("8","1","9","7","6","4","1") = "8"
    & skf18("8","1","9","7","6","5","1") = "8"
    & skf18("8","1","9","7","6","6","1") = "8"
    & skf18("8","1","9","7","6","7","1") = "8"
    & skf18("8","1","9","7","6","8","1") = "8"
    & skf18("8","1","9","7","6","9","1") = "8"
    & skf18("8","1","9","7","6","10","1") = "9"
    & skf18("8","1","9","7","7","1","1") = "8"
    & skf18("8","1","9","7","7","2","1") = "8"
    & skf18("8","1","9","7","7","3","1") = "8"
    & skf18("8","1","9","7","7","4","1") = "8"
    & skf18("8","1","9","7","7","5","1") = "8"
    & skf18("8","1","9","7","7","6","1") = "8"
    & skf18("8","1","9","7","7","7","1") = "8"
    & skf18("8","1","9","7","7","8","1") = "8"
    & skf18("8","1","9","7","7","9","1") = "8"
    & skf18("8","1","9","7","7","10","1") = "9"
    & skf18("8","1","9","7","8","1","1") = "8"
    & skf18("8","1","9","7","8","2","1") = "8"
    & skf18("8","1","9","7","8","3","1") = "8"
    & skf18("8","1","9","7","8","4","1") = "8"
    & skf18("8","1","9","7","8","5","1") = "8"
    & skf18("8","1","9","7","8","6","1") = "8"
    & skf18("8","1","9","7","8","7","1") = "8"
    & skf18("8","1","9","7","8","8","1") = "8"
    & skf18("8","1","9","7","8","9","1") = "8"
    & skf18("8","1","9","7","8","10","1") = "9"
    & skf18("8","1","9","7","9","1","1") = "8"
    & skf18("8","1","9","7","9","2","1") = "8"
    & skf18("8","1","9","7","9","3","1") = "8"
    & skf18("8","1","9","7","9","4","1") = "8"
    & skf18("8","1","9","7","9","5","1") = "8"
    & skf18("8","1","9","7","9","6","1") = "8"
    & skf18("8","1","9","7","9","7","1") = "8"
    & skf18("8","1","9","7","9","8","1") = "8"
    & skf18("8","1","9","7","9","9","1") = "8"
    & skf18("8","1","9","7","9","10","1") = "9"
    & skf18("8","1","9","7","10","1","1") = "9"
    & skf18("8","1","9","7","10","2","1") = "9"
    & skf18("8","1","9","7","10","3","1") = "9"
    & skf18("8","1","9","7","10","4","1") = "9"
    & skf18("8","1","9","7","10","5","1") = "9"
    & skf18("8","1","9","7","10","6","1") = "9"
    & skf18("8","1","9","7","10","7","1") = "9"
    & skf18("8","1","9","7","10","8","1") = "9"
    & skf18("8","1","9","7","10","9","1") = "9"
    & skf18("8","1","9","7","10","10","1") = "9"
    & skf18("8","1","9","8","1","1","1") = "8"
    & skf18("8","1","9","8","1","2","1") = "8"
    & skf18("8","1","9","8","1","3","1") = "8"
    & skf18("8","1","9","8","1","4","1") = "8"
    & skf18("8","1","9","8","1","5","1") = "8"
    & skf18("8","1","9","8","1","6","1") = "8"
    & skf18("8","1","9","8","1","7","1") = "8"
    & skf18("8","1","9","8","1","8","1") = "8"
    & skf18("8","1","9","8","1","9","1") = "8"
    & skf18("8","1","9","8","1","10","1") = "9"
    & skf18("8","1","9","8","2","1","1") = "8"
    & skf18("8","1","9","8","2","2","1") = "8"
    & skf18("8","1","9","8","2","3","1") = "8"
    & skf18("8","1","9","8","2","4","1") = "8"
    & skf18("8","1","9","8","2","5","1") = "8"
    & skf18("8","1","9","8","2","6","1") = "8"
    & skf18("8","1","9","8","2","7","1") = "8"
    & skf18("8","1","9","8","2","8","1") = "8"
    & skf18("8","1","9","8","2","9","1") = "8"
    & skf18("8","1","9","8","2","10","1") = "9"
    & skf18("8","1","9","8","3","1","1") = "8"
    & skf18("8","1","9","8","3","2","1") = "8"
    & skf18("8","1","9","8","3","3","1") = "8"
    & skf18("8","1","9","8","3","4","1") = "8"
    & skf18("8","1","9","8","3","5","1") = "8"
    & skf18("8","1","9","8","3","6","1") = "8"
    & skf18("8","1","9","8","3","7","1") = "8"
    & skf18("8","1","9","8","3","8","1") = "8"
    & skf18("8","1","9","8","3","9","1") = "8"
    & skf18("8","1","9","8","3","10","1") = "9"
    & skf18("8","1","9","8","4","1","1") = "8"
    & skf18("8","1","9","8","4","2","1") = "8"
    & skf18("8","1","9","8","4","3","1") = "8"
    & skf18("8","1","9","8","4","4","1") = "8"
    & skf18("8","1","9","8","4","5","1") = "8"
    & skf18("8","1","9","8","4","6","1") = "8"
    & skf18("8","1","9","8","4","7","1") = "8"
    & skf18("8","1","9","8","4","8","1") = "8"
    & skf18("8","1","9","8","4","9","1") = "8"
    & skf18("8","1","9","8","4","10","1") = "9"
    & skf18("8","1","9","8","5","1","1") = "8"
    & skf18("8","1","9","8","5","2","1") = "8"
    & skf18("8","1","9","8","5","3","1") = "8"
    & skf18("8","1","9","8","5","4","1") = "8"
    & skf18("8","1","9","8","5","5","1") = "8"
    & skf18("8","1","9","8","5","6","1") = "8"
    & skf18("8","1","9","8","5","7","1") = "8"
    & skf18("8","1","9","8","5","8","1") = "8"
    & skf18("8","1","9","8","5","9","1") = "8"
    & skf18("8","1","9","8","5","10","1") = "9"
    & skf18("8","1","9","8","6","1","1") = "8"
    & skf18("8","1","9","8","6","2","1") = "8"
    & skf18("8","1","9","8","6","3","1") = "8"
    & skf18("8","1","9","8","6","4","1") = "8"
    & skf18("8","1","9","8","6","5","1") = "8"
    & skf18("8","1","9","8","6","6","1") = "8"
    & skf18("8","1","9","8","6","7","1") = "8"
    & skf18("8","1","9","8","6","8","1") = "8"
    & skf18("8","1","9","8","6","9","1") = "8"
    & skf18("8","1","9","8","6","10","1") = "9"
    & skf18("8","1","9","8","7","1","1") = "8"
    & skf18("8","1","9","8","7","2","1") = "8"
    & skf18("8","1","9","8","7","3","1") = "8"
    & skf18("8","1","9","8","7","4","1") = "8"
    & skf18("8","1","9","8","7","5","1") = "8"
    & skf18("8","1","9","8","7","6","1") = "8"
    & skf18("8","1","9","8","7","7","1") = "8"
    & skf18("8","1","9","8","7","8","1") = "8"
    & skf18("8","1","9","8","7","9","1") = "8"
    & skf18("8","1","9","8","7","10","1") = "9"
    & skf18("8","1","9","8","8","1","1") = "8"
    & skf18("8","1","9","8","8","2","1") = "8"
    & skf18("8","1","9","8","8","3","1") = "8"
    & skf18("8","1","9","8","8","4","1") = "8"
    & skf18("8","1","9","8","8","5","1") = "8"
    & skf18("8","1","9","8","8","6","1") = "8"
    & skf18("8","1","9","8","8","7","1") = "8"
    & skf18("8","1","9","8","8","8","1") = "8"
    & skf18("8","1","9","8","8","9","1") = "8"
    & skf18("8","1","9","8","8","10","1") = "9"
    & skf18("8","1","9","8","9","1","1") = "8"
    & skf18("8","1","9","8","9","2","1") = "8"
    & skf18("8","1","9","8","9","3","1") = "8"
    & skf18("8","1","9","8","9","4","1") = "8"
    & skf18("8","1","9","8","9","5","1") = "8"
    & skf18("8","1","9","8","9","6","1") = "8"
    & skf18("8","1","9","8","9","7","1") = "8"
    & skf18("8","1","9","8","9","8","1") = "8"
    & skf18("8","1","9","8","9","9","1") = "8"
    & skf18("8","1","9","8","9","10","1") = "9"
    & skf18("8","1","9","8","10","1","1") = "9"
    & skf18("8","1","9","8","10","2","1") = "9"
    & skf18("8","1","9","8","10","3","1") = "9"
    & skf18("8","1","9","8","10","4","1") = "9"
    & skf18("8","1","9","8","10","5","1") = "9"
    & skf18("8","1","9","8","10","6","1") = "9"
    & skf18("8","1","9","8","10","7","1") = "9"
    & skf18("8","1","9","8","10","8","1") = "9"
    & skf18("8","1","9","8","10","9","1") = "9"
    & skf18("8","1","9","8","10","10","1") = "9"
    & skf18("8","1","9","9","1","1","1") = "8"
    & skf18("8","1","9","9","1","2","1") = "8"
    & skf18("8","1","9","9","1","3","1") = "8"
    & skf18("8","1","9","9","1","4","1") = "8"
    & skf18("8","1","9","9","1","5","1") = "8"
    & skf18("8","1","9","9","1","6","1") = "8"
    & skf18("8","1","9","9","1","7","1") = "8"
    & skf18("8","1","9","9","1","8","1") = "8"
    & skf18("8","1","9","9","1","9","1") = "8"
    & skf18("8","1","9","9","1","10","1") = "9"
    & skf18("8","1","9","9","2","1","1") = "8"
    & skf18("8","1","9","9","2","2","1") = "8"
    & skf18("8","1","9","9","2","3","1") = "8"
    & skf18("8","1","9","9","2","4","1") = "8"
    & skf18("8","1","9","9","2","5","1") = "8"
    & skf18("8","1","9","9","2","6","1") = "8"
    & skf18("8","1","9","9","2","7","1") = "8"
    & skf18("8","1","9","9","2","8","1") = "8"
    & skf18("8","1","9","9","2","9","1") = "8"
    & skf18("8","1","9","9","2","10","1") = "9"
    & skf18("8","1","9","9","3","1","1") = "8"
    & skf18("8","1","9","9","3","2","1") = "8"
    & skf18("8","1","9","9","3","3","1") = "8"
    & skf18("8","1","9","9","3","4","1") = "8"
    & skf18("8","1","9","9","3","5","1") = "8"
    & skf18("8","1","9","9","3","6","1") = "8"
    & skf18("8","1","9","9","3","7","1") = "8"
    & skf18("8","1","9","9","3","8","1") = "8"
    & skf18("8","1","9","9","3","9","1") = "8"
    & skf18("8","1","9","9","3","10","1") = "9"
    & skf18("8","1","9","9","4","1","1") = "8"
    & skf18("8","1","9","9","4","2","1") = "8"
    & skf18("8","1","9","9","4","3","1") = "8"
    & skf18("8","1","9","9","4","4","1") = "8"
    & skf18("8","1","9","9","4","5","1") = "8"
    & skf18("8","1","9","9","4","6","1") = "8"
    & skf18("8","1","9","9","4","7","1") = "8"
    & skf18("8","1","9","9","4","8","1") = "8"
    & skf18("8","1","9","9","4","9","1") = "8"
    & skf18("8","1","9","9","4","10","1") = "9"
    & skf18("8","1","9","9","5","1","1") = "8"
    & skf18("8","1","9","9","5","2","1") = "8"
    & skf18("8","1","9","9","5","3","1") = "8"
    & skf18("8","1","9","9","5","4","1") = "8"
    & skf18("8","1","9","9","5","5","1") = "8"
    & skf18("8","1","9","9","5","6","1") = "8"
    & skf18("8","1","9","9","5","7","1") = "8"
    & skf18("8","1","9","9","5","8","1") = "8"
    & skf18("8","1","9","9","5","9","1") = "8"
    & skf18("8","1","9","9","5","10","1") = "9"
    & skf18("8","1","9","9","6","1","1") = "8"
    & skf18("8","1","9","9","6","2","1") = "8"
    & skf18("8","1","9","9","6","3","1") = "8"
    & skf18("8","1","9","9","6","4","1") = "8"
    & skf18("8","1","9","9","6","5","1") = "8"
    & skf18("8","1","9","9","6","6","1") = "8"
    & skf18("8","1","9","9","6","7","1") = "8"
    & skf18("8","1","9","9","6","8","1") = "8"
    & skf18("8","1","9","9","6","9","1") = "8"
    & skf18("8","1","9","9","6","10","1") = "9"
    & skf18("8","1","9","9","7","1","1") = "8"
    & skf18("8","1","9","9","7","2","1") = "8"
    & skf18("8","1","9","9","7","3","1") = "8"
    & skf18("8","1","9","9","7","4","1") = "8"
    & skf18("8","1","9","9","7","5","1") = "8"
    & skf18("8","1","9","9","7","6","1") = "8"
    & skf18("8","1","9","9","7","7","1") = "8"
    & skf18("8","1","9","9","7","8","1") = "8"
    & skf18("8","1","9","9","7","9","1") = "8"
    & skf18("8","1","9","9","7","10","1") = "9"
    & skf18("8","1","9","9","8","1","1") = "8"
    & skf18("8","1","9","9","8","2","1") = "8"
    & skf18("8","1","9","9","8","3","1") = "8"
    & skf18("8","1","9","9","8","4","1") = "8"
    & skf18("8","1","9","9","8","5","1") = "8"
    & skf18("8","1","9","9","8","6","1") = "8"
    & skf18("8","1","9","9","8","7","1") = "8"
    & skf18("8","1","9","9","8","8","1") = "8"
    & skf18("8","1","9","9","8","9","1") = "8"
    & skf18("8","1","9","9","8","10","1") = "9"
    & skf18("8","1","9","9","9","1","1") = "8"
    & skf18("8","1","9","9","9","2","1") = "8"
    & skf18("8","1","9","9","9","3","1") = "8"
    & skf18("8","1","9","9","9","4","1") = "8"
    & skf18("8","1","9","9","9","5","1") = "8"
    & skf18("8","1","9","9","9","6","1") = "8"
    & skf18("8","1","9","9","9","7","1") = "8"
    & skf18("8","1","9","9","9","8","1") = "8"
    & skf18("8","1","9","9","9","9","1") = "8"
    & skf18("8","1","9","9","9","10","1") = "9"
    & skf18("8","1","9","9","10","1","1") = "9"
    & skf18("8","1","9","9","10","2","1") = "9"
    & skf18("8","1","9","9","10","3","1") = "9"
    & skf18("8","1","9","9","10","4","1") = "9"
    & skf18("8","1","9","9","10","5","1") = "9"
    & skf18("8","1","9","9","10","6","1") = "9"
    & skf18("8","1","9","9","10","7","1") = "9"
    & skf18("8","1","9","9","10","8","1") = "9"
    & skf18("8","1","9","9","10","9","1") = "9"
    & skf18("8","1","9","9","10","10","1") = "9"
    & skf18("8","1","9","10","1","1","1") = "9"
    & skf18("8","1","9","10","1","2","1") = "9"
    & skf18("8","1","9","10","1","3","1") = "9"
    & skf18("8","1","9","10","1","4","1") = "9"
    & skf18("8","1","9","10","1","5","1") = "9"
    & skf18("8","1","9","10","1","6","1") = "9"
    & skf18("8","1","9","10","1","7","1") = "9"
    & skf18("8","1","9","10","1","8","1") = "9"
    & skf18("8","1","9","10","1","9","1") = "9"
    & skf18("8","1","9","10","1","10","1") = "9"
    & skf18("8","1","9","10","2","1","1") = "9"
    & skf18("8","1","9","10","2","2","1") = "9"
    & skf18("8","1","9","10","2","3","1") = "9"
    & skf18("8","1","9","10","2","4","1") = "9"
    & skf18("8","1","9","10","2","5","1") = "9"
    & skf18("8","1","9","10","2","6","1") = "9"
    & skf18("8","1","9","10","2","7","1") = "9"
    & skf18("8","1","9","10","2","8","1") = "9"
    & skf18("8","1","9","10","2","9","1") = "9"
    & skf18("8","1","9","10","2","10","1") = "9"
    & skf18("8","1","9","10","3","1","1") = "9"
    & skf18("8","1","9","10","3","2","1") = "9"
    & skf18("8","1","9","10","3","3","1") = "9"
    & skf18("8","1","9","10","3","4","1") = "9"
    & skf18("8","1","9","10","3","5","1") = "9"
    & skf18("8","1","9","10","3","6","1") = "9"
    & skf18("8","1","9","10","3","7","1") = "9"
    & skf18("8","1","9","10","3","8","1") = "9"
    & skf18("8","1","9","10","3","9","1") = "9"
    & skf18("8","1","9","10","3","10","1") = "9"
    & skf18("8","1","9","10","4","1","1") = "9"
    & skf18("8","1","9","10","4","2","1") = "9"
    & skf18("8","1","9","10","4","3","1") = "9"
    & skf18("8","1","9","10","4","4","1") = "9"
    & skf18("8","1","9","10","4","5","1") = "9"
    & skf18("8","1","9","10","4","6","1") = "9"
    & skf18("8","1","9","10","4","7","1") = "9"
    & skf18("8","1","9","10","4","8","1") = "9"
    & skf18("8","1","9","10","4","9","1") = "9"
    & skf18("8","1","9","10","4","10","1") = "9"
    & skf18("8","1","9","10","5","1","1") = "9"
    & skf18("8","1","9","10","5","2","1") = "9"
    & skf18("8","1","9","10","5","3","1") = "9"
    & skf18("8","1","9","10","5","4","1") = "9"
    & skf18("8","1","9","10","5","5","1") = "9"
    & skf18("8","1","9","10","5","6","1") = "9"
    & skf18("8","1","9","10","5","7","1") = "9"
    & skf18("8","1","9","10","5","8","1") = "9"
    & skf18("8","1","9","10","5","9","1") = "9"
    & skf18("8","1","9","10","5","10","1") = "9"
    & skf18("8","1","9","10","6","1","1") = "9"
    & skf18("8","1","9","10","6","2","1") = "9"
    & skf18("8","1","9","10","6","3","1") = "9"
    & skf18("8","1","9","10","6","4","1") = "9"
    & skf18("8","1","9","10","6","5","1") = "9"
    & skf18("8","1","9","10","6","6","1") = "9"
    & skf18("8","1","9","10","6","7","1") = "9"
    & skf18("8","1","9","10","6","8","1") = "9"
    & skf18("8","1","9","10","6","9","1") = "9"
    & skf18("8","1","9","10","6","10","1") = "9"
    & skf18("8","1","9","10","7","1","1") = "9"
    & skf18("8","1","9","10","7","2","1") = "9"
    & skf18("8","1","9","10","7","3","1") = "9"
    & skf18("8","1","9","10","7","4","1") = "9"
    & skf18("8","1","9","10","7","5","1") = "9"
    & skf18("8","1","9","10","7","6","1") = "9"
    & skf18("8","1","9","10","7","7","1") = "9"
    & skf18("8","1","9","10","7","8","1") = "9"
    & skf18("8","1","9","10","7","9","1") = "9"
    & skf18("8","1","9","10","7","10","1") = "9"
    & skf18("8","1","9","10","8","1","1") = "9"
    & skf18("8","1","9","10","8","2","1") = "9"
    & skf18("8","1","9","10","8","3","1") = "9"
    & skf18("8","1","9","10","8","4","1") = "9"
    & skf18("8","1","9","10","8","5","1") = "9"
    & skf18("8","1","9","10","8","6","1") = "9"
    & skf18("8","1","9","10","8","7","1") = "9"
    & skf18("8","1","9","10","8","8","1") = "9"
    & skf18("8","1","9","10","8","9","1") = "9"
    & skf18("8","1","9","10","8","10","1") = "9"
    & skf18("8","1","9","10","9","1","1") = "9"
    & skf18("8","1","9","10","9","2","1") = "9"
    & skf18("8","1","9","10","9","3","1") = "9"
    & skf18("8","1","9","10","9","4","1") = "9"
    & skf18("8","1","9","10","9","5","1") = "9"
    & skf18("8","1","9","10","9","6","1") = "9"
    & skf18("8","1","9","10","9","7","1") = "9"
    & skf18("8","1","9","10","9","8","1") = "9"
    & skf18("8","1","9","10","9","9","1") = "9"
    & skf18("8","1","9","10","9","10","1") = "9"
    & skf18("8","1","9","10","10","1","1") = "9"
    & skf18("8","1","9","10","10","2","1") = "9"
    & skf18("8","1","9","10","10","3","1") = "9"
    & skf18("8","1","9","10","10","4","1") = "9"
    & skf18("8","1","9","10","10","5","1") = "9"
    & skf18("8","1","9","10","10","6","1") = "9"
    & skf18("8","1","9","10","10","7","1") = "9"
    & skf18("8","1","9","10","10","8","1") = "9"
    & skf18("8","1","9","10","10","9","1") = "9"
    & skf18("8","1","9","10","10","10","1") = "9"
    & skf18("8","1","10","1","1","1","1") = "9"
    & skf18("8","1","10","1","1","2","1") = "9"
    & skf18("8","1","10","1","1","3","1") = "9"
    & skf18("8","1","10","1","1","4","1") = "9"
    & skf18("8","1","10","1","1","5","1") = "9"
    & skf18("8","1","10","1","1","6","1") = "9"
    & skf18("8","1","10","1","1","7","1") = "9"
    & skf18("8","1","10","1","1","8","1") = "9"
    & skf18("8","1","10","1","1","9","1") = "9"
    & skf18("8","1","10","1","1","10","1") = "9"
    & skf18("8","1","10","1","2","1","1") = "9"
    & skf18("8","1","10","1","2","2","1") = "9"
    & skf18("8","1","10","1","2","3","1") = "9"
    & skf18("8","1","10","1","2","4","1") = "9"
    & skf18("8","1","10","1","2","5","1") = "9"
    & skf18("8","1","10","1","2","6","1") = "9"
    & skf18("8","1","10","1","2","7","1") = "9"
    & skf18("8","1","10","1","2","8","1") = "9"
    & skf18("8","1","10","1","2","9","1") = "9"
    & skf18("8","1","10","1","2","10","1") = "9"
    & skf18("8","1","10","1","3","1","1") = "9"
    & skf18("8","1","10","1","3","2","1") = "9"
    & skf18("8","1","10","1","3","3","1") = "9"
    & skf18("8","1","10","1","3","4","1") = "9"
    & skf18("8","1","10","1","3","5","1") = "9"
    & skf18("8","1","10","1","3","6","1") = "9"
    & skf18("8","1","10","1","3","7","1") = "9"
    & skf18("8","1","10","1","3","8","1") = "9"
    & skf18("8","1","10","1","3","9","1") = "9"
    & skf18("8","1","10","1","3","10","1") = "9"
    & skf18("8","1","10","1","4","1","1") = "9"
    & skf18("8","1","10","1","4","2","1") = "9"
    & skf18("8","1","10","1","4","3","1") = "9"
    & skf18("8","1","10","1","4","4","1") = "9"
    & skf18("8","1","10","1","4","5","1") = "9"
    & skf18("8","1","10","1","4","6","1") = "9"
    & skf18("8","1","10","1","4","7","1") = "9"
    & skf18("8","1","10","1","4","8","1") = "9"
    & skf18("8","1","10","1","4","9","1") = "9"
    & skf18("8","1","10","1","4","10","1") = "9"
    & skf18("8","1","10","1","5","1","1") = "9"
    & skf18("8","1","10","1","5","2","1") = "9"
    & skf18("8","1","10","1","5","3","1") = "9"
    & skf18("8","1","10","1","5","4","1") = "9"
    & skf18("8","1","10","1","5","5","1") = "9"
    & skf18("8","1","10","1","5","6","1") = "9"
    & skf18("8","1","10","1","5","7","1") = "9"
    & skf18("8","1","10","1","5","8","1") = "9"
    & skf18("8","1","10","1","5","9","1") = "9"
    & skf18("8","1","10","1","5","10","1") = "9"
    & skf18("8","1","10","1","6","1","1") = "9"
    & skf18("8","1","10","1","6","2","1") = "9"
    & skf18("8","1","10","1","6","3","1") = "9"
    & skf18("8","1","10","1","6","4","1") = "9"
    & skf18("8","1","10","1","6","5","1") = "9"
    & skf18("8","1","10","1","6","6","1") = "9"
    & skf18("8","1","10","1","6","7","1") = "9"
    & skf18("8","1","10","1","6","8","1") = "9"
    & skf18("8","1","10","1","6","9","1") = "9"
    & skf18("8","1","10","1","6","10","1") = "9"
    & skf18("8","1","10","1","7","1","1") = "9"
    & skf18("8","1","10","1","7","2","1") = "9"
    & skf18("8","1","10","1","7","3","1") = "9"
    & skf18("8","1","10","1","7","4","1") = "9"
    & skf18("8","1","10","1","7","5","1") = "9"
    & skf18("8","1","10","1","7","6","1") = "9"
    & skf18("8","1","10","1","7","7","1") = "9"
    & skf18("8","1","10","1","7","8","1") = "9"
    & skf18("8","1","10","1","7","9","1") = "9"
    & skf18("8","1","10","1","7","10","1") = "9"
    & skf18("8","1","10","1","8","1","1") = "9"
    & skf18("8","1","10","1","8","2","1") = "9"
    & skf18("8","1","10","1","8","3","1") = "9"
    & skf18("8","1","10","1","8","4","1") = "9"
    & skf18("8","1","10","1","8","5","1") = "9"
    & skf18("8","1","10","1","8","6","1") = "9"
    & skf18("8","1","10","1","8","7","1") = "9"
    & skf18("8","1","10","1","8","8","1") = "9"
    & skf18("8","1","10","1","8","9","1") = "9"
    & skf18("8","1","10","1","8","10","1") = "9"
    & skf18("8","1","10","1","9","1","1") = "9"
    & skf18("8","1","10","1","9","2","1") = "9"
    & skf18("8","1","10","1","9","3","1") = "9"
    & skf18("8","1","10","1","9","4","1") = "9"
    & skf18("8","1","10","1","9","5","1") = "9"
    & skf18("8","1","10","1","9","6","1") = "9"
    & skf18("8","1","10","1","9","7","1") = "9"
    & skf18("8","1","10","1","9","8","1") = "9"
    & skf18("8","1","10","1","9","9","1") = "9"
    & skf18("8","1","10","1","9","10","1") = "9"
    & skf18("8","1","10","1","10","1","1") = "9"
    & skf18("8","1","10","1","10","2","1") = "9"
    & skf18("8","1","10","1","10","3","1") = "9"
    & skf18("8","1","10","1","10","4","1") = "9"
    & skf18("8","1","10","1","10","5","1") = "9"
    & skf18("8","1","10","1","10","6","1") = "9"
    & skf18("8","1","10","1","10","7","1") = "9"
    & skf18("8","1","10","1","10","8","1") = "9"
    & skf18("8","1","10","1","10","9","1") = "9"
    & skf18("8","1","10","1","10","10","1") = "9"
    & skf18("8","1","10","2","1","1","1") = "9"
    & skf18("8","1","10","2","1","2","1") = "9"
    & skf18("8","1","10","2","1","3","1") = "9"
    & skf18("8","1","10","2","1","4","1") = "9"
    & skf18("8","1","10","2","1","5","1") = "9"
    & skf18("8","1","10","2","1","6","1") = "9"
    & skf18("8","1","10","2","1","7","1") = "9"
    & skf18("8","1","10","2","1","8","1") = "9"
    & skf18("8","1","10","2","1","9","1") = "9"
    & skf18("8","1","10","2","1","10","1") = "9"
    & skf18("8","1","10","2","2","1","1") = "9"
    & skf18("8","1","10","2","2","2","1") = "9"
    & skf18("8","1","10","2","2","3","1") = "9"
    & skf18("8","1","10","2","2","4","1") = "9"
    & skf18("8","1","10","2","2","5","1") = "9"
    & skf18("8","1","10","2","2","6","1") = "9"
    & skf18("8","1","10","2","2","7","1") = "9"
    & skf18("8","1","10","2","2","8","1") = "9"
    & skf18("8","1","10","2","2","9","1") = "9"
    & skf18("8","1","10","2","2","10","1") = "9"
    & skf18("8","1","10","2","3","1","1") = "9"
    & skf18("8","1","10","2","3","2","1") = "9"
    & skf18("8","1","10","2","3","3","1") = "9"
    & skf18("8","1","10","2","3","4","1") = "9"
    & skf18("8","1","10","2","3","5","1") = "9"
    & skf18("8","1","10","2","3","6","1") = "9"
    & skf18("8","1","10","2","3","7","1") = "9"
    & skf18("8","1","10","2","3","8","1") = "9"
    & skf18("8","1","10","2","3","9","1") = "9"
    & skf18("8","1","10","2","3","10","1") = "9"
    & skf18("8","1","10","2","4","1","1") = "9"
    & skf18("8","1","10","2","4","2","1") = "9"
    & skf18("8","1","10","2","4","3","1") = "9"
    & skf18("8","1","10","2","4","4","1") = "9"
    & skf18("8","1","10","2","4","5","1") = "9"
    & skf18("8","1","10","2","4","6","1") = "9"
    & skf18("8","1","10","2","4","7","1") = "9"
    & skf18("8","1","10","2","4","8","1") = "9"
    & skf18("8","1","10","2","4","9","1") = "9"
    & skf18("8","1","10","2","4","10","1") = "9"
    & skf18("8","1","10","2","5","1","1") = "9"
    & skf18("8","1","10","2","5","2","1") = "9"
    & skf18("8","1","10","2","5","3","1") = "9"
    & skf18("8","1","10","2","5","4","1") = "9"
    & skf18("8","1","10","2","5","5","1") = "9"
    & skf18("8","1","10","2","5","6","1") = "9"
    & skf18("8","1","10","2","5","7","1") = "9"
    & skf18("8","1","10","2","5","8","1") = "9"
    & skf18("8","1","10","2","5","9","1") = "9"
    & skf18("8","1","10","2","5","10","1") = "9"
    & skf18("8","1","10","2","6","1","1") = "9"
    & skf18("8","1","10","2","6","2","1") = "9"
    & skf18("8","1","10","2","6","3","1") = "9"
    & skf18("8","1","10","2","6","4","1") = "9"
    & skf18("8","1","10","2","6","5","1") = "9"
    & skf18("8","1","10","2","6","6","1") = "9"
    & skf18("8","1","10","2","6","7","1") = "9"
    & skf18("8","1","10","2","6","8","1") = "9"
    & skf18("8","1","10","2","6","9","1") = "9"
    & skf18("8","1","10","2","6","10","1") = "9"
    & skf18("8","1","10","2","7","1","1") = "9"
    & skf18("8","1","10","2","7","2","1") = "9"
    & skf18("8","1","10","2","7","3","1") = "9"
    & skf18("8","1","10","2","7","4","1") = "9"
    & skf18("8","1","10","2","7","5","1") = "9"
    & skf18("8","1","10","2","7","6","1") = "9"
    & skf18("8","1","10","2","7","7","1") = "9"
    & skf18("8","1","10","2","7","8","1") = "9"
    & skf18("8","1","10","2","7","9","1") = "9"
    & skf18("8","1","10","2","7","10","1") = "9"
    & skf18("8","1","10","2","8","1","1") = "9"
    & skf18("8","1","10","2","8","2","1") = "9"
    & skf18("8","1","10","2","8","3","1") = "9"
    & skf18("8","1","10","2","8","4","1") = "9"
    & skf18("8","1","10","2","8","5","1") = "9"
    & skf18("8","1","10","2","8","6","1") = "9"
    & skf18("8","1","10","2","8","7","1") = "9"
    & skf18("8","1","10","2","8","8","1") = "9"
    & skf18("8","1","10","2","8","9","1") = "9"
    & skf18("8","1","10","2","8","10","1") = "9"
    & skf18("8","1","10","2","9","1","1") = "9"
    & skf18("8","1","10","2","9","2","1") = "9"
    & skf18("8","1","10","2","9","3","1") = "9"
    & skf18("8","1","10","2","9","4","1") = "9"
    & skf18("8","1","10","2","9","5","1") = "9"
    & skf18("8","1","10","2","9","6","1") = "9"
    & skf18("8","1","10","2","9","7","1") = "9"
    & skf18("8","1","10","2","9","8","1") = "9"
    & skf18("8","1","10","2","9","9","1") = "9"
    & skf18("8","1","10","2","9","10","1") = "9"
    & skf18("8","1","10","2","10","1","1") = "9"
    & skf18("8","1","10","2","10","2","1") = "9"
    & skf18("8","1","10","2","10","3","1") = "9"
    & skf18("8","1","10","2","10","4","1") = "9"
    & skf18("8","1","10","2","10","5","1") = "9"
    & skf18("8","1","10","2","10","6","1") = "9"
    & skf18("8","1","10","2","10","7","1") = "9"
    & skf18("8","1","10","2","10","8","1") = "9"
    & skf18("8","1","10","2","10","9","1") = "9"
    & skf18("8","1","10","2","10","10","1") = "9"
    & skf18("8","1","10","3","1","1","1") = "9"
    & skf18("8","1","10","3","1","2","1") = "9"
    & skf18("8","1","10","3","1","3","1") = "9"
    & skf18("8","1","10","3","1","4","1") = "9"
    & skf18("8","1","10","3","1","5","1") = "9"
    & skf18("8","1","10","3","1","6","1") = "9"
    & skf18("8","1","10","3","1","7","1") = "9"
    & skf18("8","1","10","3","1","8","1") = "9"
    & skf18("8","1","10","3","1","9","1") = "9"
    & skf18("8","1","10","3","1","10","1") = "9"
    & skf18("8","1","10","3","2","1","1") = "9"
    & skf18("8","1","10","3","2","2","1") = "9"
    & skf18("8","1","10","3","2","3","1") = "9"
    & skf18("8","1","10","3","2","4","1") = "9"
    & skf18("8","1","10","3","2","5","1") = "9"
    & skf18("8","1","10","3","2","6","1") = "9"
    & skf18("8","1","10","3","2","7","1") = "9"
    & skf18("8","1","10","3","2","8","1") = "9"
    & skf18("8","1","10","3","2","9","1") = "9"
    & skf18("8","1","10","3","2","10","1") = "9"
    & skf18("8","1","10","3","3","1","1") = "9"
    & skf18("8","1","10","3","3","2","1") = "9"
    & skf18("8","1","10","3","3","3","1") = "9"
    & skf18("8","1","10","3","3","4","1") = "9"
    & skf18("8","1","10","3","3","5","1") = "9"
    & skf18("8","1","10","3","3","6","1") = "9"
    & skf18("8","1","10","3","3","7","1") = "9"
    & skf18("8","1","10","3","3","8","1") = "9"
    & skf18("8","1","10","3","3","9","1") = "9"
    & skf18("8","1","10","3","3","10","1") = "9"
    & skf18("8","1","10","3","4","1","1") = "9"
    & skf18("8","1","10","3","4","2","1") = "9"
    & skf18("8","1","10","3","4","3","1") = "9"
    & skf18("8","1","10","3","4","4","1") = "9"
    & skf18("8","1","10","3","4","5","1") = "9"
    & skf18("8","1","10","3","4","6","1") = "9"
    & skf18("8","1","10","3","4","7","1") = "9"
    & skf18("8","1","10","3","4","8","1") = "9"
    & skf18("8","1","10","3","4","9","1") = "9"
    & skf18("8","1","10","3","4","10","1") = "9"
    & skf18("8","1","10","3","5","1","1") = "9"
    & skf18("8","1","10","3","5","2","1") = "9"
    & skf18("8","1","10","3","5","3","1") = "9"
    & skf18("8","1","10","3","5","4","1") = "9"
    & skf18("8","1","10","3","5","5","1") = "9"
    & skf18("8","1","10","3","5","6","1") = "9"
    & skf18("8","1","10","3","5","7","1") = "9"
    & skf18("8","1","10","3","5","8","1") = "9"
    & skf18("8","1","10","3","5","9","1") = "9"
    & skf18("8","1","10","3","5","10","1") = "9"
    & skf18("8","1","10","3","6","1","1") = "9"
    & skf18("8","1","10","3","6","2","1") = "9"
    & skf18("8","1","10","3","6","3","1") = "9"
    & skf18("8","1","10","3","6","4","1") = "9"
    & skf18("8","1","10","3","6","5","1") = "9"
    & skf18("8","1","10","3","6","6","1") = "9"
    & skf18("8","1","10","3","6","7","1") = "9"
    & skf18("8","1","10","3","6","8","1") = "9"
    & skf18("8","1","10","3","6","9","1") = "9"
    & skf18("8","1","10","3","6","10","1") = "9"
    & skf18("8","1","10","3","7","1","1") = "9"
    & skf18("8","1","10","3","7","2","1") = "9"
    & skf18("8","1","10","3","7","3","1") = "9"
    & skf18("8","1","10","3","7","4","1") = "9"
    & skf18("8","1","10","3","7","5","1") = "9"
    & skf18("8","1","10","3","7","6","1") = "9"
    & skf18("8","1","10","3","7","7","1") = "9"
    & skf18("8","1","10","3","7","8","1") = "9"
    & skf18("8","1","10","3","7","9","1") = "9"
    & skf18("8","1","10","3","7","10","1") = "9"
    & skf18("8","1","10","3","8","1","1") = "9"
    & skf18("8","1","10","3","8","2","1") = "9"
    & skf18("8","1","10","3","8","3","1") = "9"
    & skf18("8","1","10","3","8","4","1") = "9"
    & skf18("8","1","10","3","8","5","1") = "9"
    & skf18("8","1","10","3","8","6","1") = "9"
    & skf18("8","1","10","3","8","7","1") = "9"
    & skf18("8","1","10","3","8","8","1") = "9"
    & skf18("8","1","10","3","8","9","1") = "9"
    & skf18("8","1","10","3","8","10","1") = "9"
    & skf18("8","1","10","3","9","1","1") = "9"
    & skf18("8","1","10","3","9","2","1") = "9"
    & skf18("8","1","10","3","9","3","1") = "9"
    & skf18("8","1","10","3","9","4","1") = "9"
    & skf18("8","1","10","3","9","5","1") = "9"
    & skf18("8","1","10","3","9","6","1") = "9"
    & skf18("8","1","10","3","9","7","1") = "9"
    & skf18("8","1","10","3","9","8","1") = "9"
    & skf18("8","1","10","3","9","9","1") = "9"
    & skf18("8","1","10","3","9","10","1") = "9"
    & skf18("8","1","10","3","10","1","1") = "9"
    & skf18("8","1","10","3","10","2","1") = "9"
    & skf18("8","1","10","3","10","3","1") = "9"
    & skf18("8","1","10","3","10","4","1") = "9"
    & skf18("8","1","10","3","10","5","1") = "9"
    & skf18("8","1","10","3","10","6","1") = "9"
    & skf18("8","1","10","3","10","7","1") = "9"
    & skf18("8","1","10","3","10","8","1") = "9"
    & skf18("8","1","10","3","10","9","1") = "9"
    & skf18("8","1","10","3","10","10","1") = "9"
    & skf18("8","1","10","4","1","1","1") = "9"
    & skf18("8","1","10","4","1","2","1") = "9"
    & skf18("8","1","10","4","1","3","1") = "9"
    & skf18("8","1","10","4","1","4","1") = "9"
    & skf18("8","1","10","4","1","5","1") = "9"
    & skf18("8","1","10","4","1","6","1") = "9"
    & skf18("8","1","10","4","1","7","1") = "9"
    & skf18("8","1","10","4","1","8","1") = "9"
    & skf18("8","1","10","4","1","9","1") = "9"
    & skf18("8","1","10","4","1","10","1") = "9"
    & skf18("8","1","10","4","2","1","1") = "9"
    & skf18("8","1","10","4","2","2","1") = "9"
    & skf18("8","1","10","4","2","3","1") = "9"
    & skf18("8","1","10","4","2","4","1") = "9"
    & skf18("8","1","10","4","2","5","1") = "9"
    & skf18("8","1","10","4","2","6","1") = "9"
    & skf18("8","1","10","4","2","7","1") = "9"
    & skf18("8","1","10","4","2","8","1") = "9"
    & skf18("8","1","10","4","2","9","1") = "9"
    & skf18("8","1","10","4","2","10","1") = "9"
    & skf18("8","1","10","4","3","1","1") = "9"
    & skf18("8","1","10","4","3","2","1") = "9"
    & skf18("8","1","10","4","3","3","1") = "9"
    & skf18("8","1","10","4","3","4","1") = "9"
    & skf18("8","1","10","4","3","5","1") = "9"
    & skf18("8","1","10","4","3","6","1") = "9"
    & skf18("8","1","10","4","3","7","1") = "9"
    & skf18("8","1","10","4","3","8","1") = "9"
    & skf18("8","1","10","4","3","9","1") = "9"
    & skf18("8","1","10","4","3","10","1") = "9"
    & skf18("8","1","10","4","4","1","1") = "9"
    & skf18("8","1","10","4","4","2","1") = "9"
    & skf18("8","1","10","4","4","3","1") = "9"
    & skf18("8","1","10","4","4","4","1") = "9"
    & skf18("8","1","10","4","4","5","1") = "9"
    & skf18("8","1","10","4","4","6","1") = "9"
    & skf18("8","1","10","4","4","7","1") = "9"
    & skf18("8","1","10","4","4","8","1") = "9"
    & skf18("8","1","10","4","4","9","1") = "9"
    & skf18("8","1","10","4","4","10","1") = "9"
    & skf18("8","1","10","4","5","1","1") = "9"
    & skf18("8","1","10","4","5","2","1") = "9"
    & skf18("8","1","10","4","5","3","1") = "9"
    & skf18("8","1","10","4","5","4","1") = "9"
    & skf18("8","1","10","4","5","5","1") = "9"
    & skf18("8","1","10","4","5","6","1") = "9"
    & skf18("8","1","10","4","5","7","1") = "9"
    & skf18("8","1","10","4","5","8","1") = "9"
    & skf18("8","1","10","4","5","9","1") = "9"
    & skf18("8","1","10","4","5","10","1") = "9"
    & skf18("8","1","10","4","6","1","1") = "9"
    & skf18("8","1","10","4","6","2","1") = "9"
    & skf18("8","1","10","4","6","3","1") = "9"
    & skf18("8","1","10","4","6","4","1") = "9"
    & skf18("8","1","10","4","6","5","1") = "9"
    & skf18("8","1","10","4","6","6","1") = "9"
    & skf18("8","1","10","4","6","7","1") = "9"
    & skf18("8","1","10","4","6","8","1") = "9"
    & skf18("8","1","10","4","6","9","1") = "9"
    & skf18("8","1","10","4","6","10","1") = "9"
    & skf18("8","1","10","4","7","1","1") = "9"
    & skf18("8","1","10","4","7","2","1") = "9"
    & skf18("8","1","10","4","7","3","1") = "9"
    & skf18("8","1","10","4","7","4","1") = "9"
    & skf18("8","1","10","4","7","5","1") = "9"
    & skf18("8","1","10","4","7","6","1") = "9"
    & skf18("8","1","10","4","7","7","1") = "9"
    & skf18("8","1","10","4","7","8","1") = "9"
    & skf18("8","1","10","4","7","9","1") = "9"
    & skf18("8","1","10","4","7","10","1") = "9"
    & skf18("8","1","10","4","8","1","1") = "9"
    & skf18("8","1","10","4","8","2","1") = "9"
    & skf18("8","1","10","4","8","3","1") = "9"
    & skf18("8","1","10","4","8","4","1") = "9"
    & skf18("8","1","10","4","8","5","1") = "9"
    & skf18("8","1","10","4","8","6","1") = "9"
    & skf18("8","1","10","4","8","7","1") = "9"
    & skf18("8","1","10","4","8","8","1") = "9"
    & skf18("8","1","10","4","8","9","1") = "9"
    & skf18("8","1","10","4","8","10","1") = "9"
    & skf18("8","1","10","4","9","1","1") = "9"
    & skf18("8","1","10","4","9","2","1") = "9"
    & skf18("8","1","10","4","9","3","1") = "9"
    & skf18("8","1","10","4","9","4","1") = "9"
    & skf18("8","1","10","4","9","5","1") = "9"
    & skf18("8","1","10","4","9","6","1") = "9"
    & skf18("8","1","10","4","9","7","1") = "9"
    & skf18("8","1","10","4","9","8","1") = "9"
    & skf18("8","1","10","4","9","9","1") = "9"
    & skf18("8","1","10","4","9","10","1") = "9"
    & skf18("8","1","10","4","10","1","1") = "9"
    & skf18("8","1","10","4","10","2","1") = "9"
    & skf18("8","1","10","4","10","3","1") = "9"
    & skf18("8","1","10","4","10","4","1") = "9"
    & skf18("8","1","10","4","10","5","1") = "9"
    & skf18("8","1","10","4","10","6","1") = "9"
    & skf18("8","1","10","4","10","7","1") = "9"
    & skf18("8","1","10","4","10","8","1") = "9"
    & skf18("8","1","10","4","10","9","1") = "9"
    & skf18("8","1","10","4","10","10","1") = "9"
    & skf18("8","1","10","5","1","1","1") = "9"
    & skf18("8","1","10","5","1","2","1") = "9"
    & skf18("8","1","10","5","1","3","1") = "9"
    & skf18("8","1","10","5","1","4","1") = "9"
    & skf18("8","1","10","5","1","5","1") = "9"
    & skf18("8","1","10","5","1","6","1") = "9"
    & skf18("8","1","10","5","1","7","1") = "9"
    & skf18("8","1","10","5","1","8","1") = "9"
    & skf18("8","1","10","5","1","9","1") = "9"
    & skf18("8","1","10","5","1","10","1") = "9"
    & skf18("8","1","10","5","2","1","1") = "9"
    & skf18("8","1","10","5","2","2","1") = "9"
    & skf18("8","1","10","5","2","3","1") = "9"
    & skf18("8","1","10","5","2","4","1") = "9"
    & skf18("8","1","10","5","2","5","1") = "9"
    & skf18("8","1","10","5","2","6","1") = "9"
    & skf18("8","1","10","5","2","7","1") = "9"
    & skf18("8","1","10","5","2","8","1") = "9"
    & skf18("8","1","10","5","2","9","1") = "9"
    & skf18("8","1","10","5","2","10","1") = "9"
    & skf18("8","1","10","5","3","1","1") = "9"
    & skf18("8","1","10","5","3","2","1") = "9"
    & skf18("8","1","10","5","3","3","1") = "9"
    & skf18("8","1","10","5","3","4","1") = "9"
    & skf18("8","1","10","5","3","5","1") = "9"
    & skf18("8","1","10","5","3","6","1") = "9"
    & skf18("8","1","10","5","3","7","1") = "9"
    & skf18("8","1","10","5","3","8","1") = "9"
    & skf18("8","1","10","5","3","9","1") = "9"
    & skf18("8","1","10","5","3","10","1") = "9"
    & skf18("8","1","10","5","4","1","1") = "9"
    & skf18("8","1","10","5","4","2","1") = "9"
    & skf18("8","1","10","5","4","3","1") = "9"
    & skf18("8","1","10","5","4","4","1") = "9"
    & skf18("8","1","10","5","4","5","1") = "9"
    & skf18("8","1","10","5","4","6","1") = "9"
    & skf18("8","1","10","5","4","7","1") = "9"
    & skf18("8","1","10","5","4","8","1") = "9"
    & skf18("8","1","10","5","4","9","1") = "9"
    & skf18("8","1","10","5","4","10","1") = "9"
    & skf18("8","1","10","5","5","1","1") = "9"
    & skf18("8","1","10","5","5","2","1") = "9"
    & skf18("8","1","10","5","5","3","1") = "9"
    & skf18("8","1","10","5","5","4","1") = "9"
    & skf18("8","1","10","5","5","5","1") = "9"
    & skf18("8","1","10","5","5","6","1") = "9"
    & skf18("8","1","10","5","5","7","1") = "9"
    & skf18("8","1","10","5","5","8","1") = "9"
    & skf18("8","1","10","5","5","9","1") = "9"
    & skf18("8","1","10","5","5","10","1") = "9"
    & skf18("8","1","10","5","6","1","1") = "9"
    & skf18("8","1","10","5","6","2","1") = "9"
    & skf18("8","1","10","5","6","3","1") = "9"
    & skf18("8","1","10","5","6","4","1") = "9"
    & skf18("8","1","10","5","6","5","1") = "9"
    & skf18("8","1","10","5","6","6","1") = "9"
    & skf18("8","1","10","5","6","7","1") = "9"
    & skf18("8","1","10","5","6","8","1") = "9"
    & skf18("8","1","10","5","6","9","1") = "9"
    & skf18("8","1","10","5","6","10","1") = "9"
    & skf18("8","1","10","5","7","1","1") = "9"
    & skf18("8","1","10","5","7","2","1") = "9"
    & skf18("8","1","10","5","7","3","1") = "9"
    & skf18("8","1","10","5","7","4","1") = "9"
    & skf18("8","1","10","5","7","5","1") = "9"
    & skf18("8","1","10","5","7","6","1") = "9"
    & skf18("8","1","10","5","7","7","1") = "9"
    & skf18("8","1","10","5","7","8","1") = "9"
    & skf18("8","1","10","5","7","9","1") = "9"
    & skf18("8","1","10","5","7","10","1") = "9"
    & skf18("8","1","10","5","8","1","1") = "9"
    & skf18("8","1","10","5","8","2","1") = "9"
    & skf18("8","1","10","5","8","3","1") = "9"
    & skf18("8","1","10","5","8","4","1") = "9"
    & skf18("8","1","10","5","8","5","1") = "9"
    & skf18("8","1","10","5","8","6","1") = "9"
    & skf18("8","1","10","5","8","7","1") = "9"
    & skf18("8","1","10","5","8","8","1") = "9"
    & skf18("8","1","10","5","8","9","1") = "9"
    & skf18("8","1","10","5","8","10","1") = "9"
    & skf18("8","1","10","5","9","1","1") = "9"
    & skf18("8","1","10","5","9","2","1") = "9"
    & skf18("8","1","10","5","9","3","1") = "9"
    & skf18("8","1","10","5","9","4","1") = "9"
    & skf18("8","1","10","5","9","5","1") = "9"
    & skf18("8","1","10","5","9","6","1") = "9"
    & skf18("8","1","10","5","9","7","1") = "9"
    & skf18("8","1","10","5","9","8","1") = "9"
    & skf18("8","1","10","5","9","9","1") = "9"
    & skf18("8","1","10","5","9","10","1") = "9"
    & skf18("8","1","10","5","10","1","1") = "9"
    & skf18("8","1","10","5","10","2","1") = "9"
    & skf18("8","1","10","5","10","3","1") = "9"
    & skf18("8","1","10","5","10","4","1") = "9"
    & skf18("8","1","10","5","10","5","1") = "9"
    & skf18("8","1","10","5","10","6","1") = "9"
    & skf18("8","1","10","5","10","7","1") = "9"
    & skf18("8","1","10","5","10","8","1") = "9"
    & skf18("8","1","10","5","10","9","1") = "9"
    & skf18("8","1","10","5","10","10","1") = "9"
    & skf18("8","1","10","6","1","1","1") = "9"
    & skf18("8","1","10","6","1","2","1") = "9"
    & skf18("8","1","10","6","1","3","1") = "9"
    & skf18("8","1","10","6","1","4","1") = "9"
    & skf18("8","1","10","6","1","5","1") = "9"
    & skf18("8","1","10","6","1","6","1") = "9"
    & skf18("8","1","10","6","1","7","1") = "9"
    & skf18("8","1","10","6","1","8","1") = "9"
    & skf18("8","1","10","6","1","9","1") = "9"
    & skf18("8","1","10","6","1","10","1") = "9"
    & skf18("8","1","10","6","2","1","1") = "9"
    & skf18("8","1","10","6","2","2","1") = "9"
    & skf18("8","1","10","6","2","3","1") = "9"
    & skf18("8","1","10","6","2","4","1") = "9"
    & skf18("8","1","10","6","2","5","1") = "9"
    & skf18("8","1","10","6","2","6","1") = "9"
    & skf18("8","1","10","6","2","7","1") = "9"
    & skf18("8","1","10","6","2","8","1") = "9"
    & skf18("8","1","10","6","2","9","1") = "9"
    & skf18("8","1","10","6","2","10","1") = "9"
    & skf18("8","1","10","6","3","1","1") = "9"
    & skf18("8","1","10","6","3","2","1") = "9"
    & skf18("8","1","10","6","3","3","1") = "9"
    & skf18("8","1","10","6","3","4","1") = "9"
    & skf18("8","1","10","6","3","5","1") = "9"
    & skf18("8","1","10","6","3","6","1") = "9"
    & skf18("8","1","10","6","3","7","1") = "9"
    & skf18("8","1","10","6","3","8","1") = "9"
    & skf18("8","1","10","6","3","9","1") = "9"
    & skf18("8","1","10","6","3","10","1") = "9"
    & skf18("8","1","10","6","4","1","1") = "9"
    & skf18("8","1","10","6","4","2","1") = "9"
    & skf18("8","1","10","6","4","3","1") = "9"
    & skf18("8","1","10","6","4","4","1") = "9"
    & skf18("8","1","10","6","4","5","1") = "9"
    & skf18("8","1","10","6","4","6","1") = "9"
    & skf18("8","1","10","6","4","7","1") = "9"
    & skf18("8","1","10","6","4","8","1") = "9"
    & skf18("8","1","10","6","4","9","1") = "9"
    & skf18("8","1","10","6","4","10","1") = "9"
    & skf18("8","1","10","6","5","1","1") = "9"
    & skf18("8","1","10","6","5","2","1") = "9"
    & skf18("8","1","10","6","5","3","1") = "9"
    & skf18("8","1","10","6","5","4","1") = "9"
    & skf18("8","1","10","6","5","5","1") = "9"
    & skf18("8","1","10","6","5","6","1") = "9"
    & skf18("8","1","10","6","5","7","1") = "9"
    & skf18("8","1","10","6","5","8","1") = "9"
    & skf18("8","1","10","6","5","9","1") = "9"
    & skf18("8","1","10","6","5","10","1") = "9"
    & skf18("8","1","10","6","6","1","1") = "9"
    & skf18("8","1","10","6","6","2","1") = "9"
    & skf18("8","1","10","6","6","3","1") = "9"
    & skf18("8","1","10","6","6","4","1") = "9"
    & skf18("8","1","10","6","6","5","1") = "9"
    & skf18("8","1","10","6","6","6","1") = "9"
    & skf18("8","1","10","6","6","7","1") = "9"
    & skf18("8","1","10","6","6","8","1") = "9"
    & skf18("8","1","10","6","6","9","1") = "9"
    & skf18("8","1","10","6","6","10","1") = "9"
    & skf18("8","1","10","6","7","1","1") = "9"
    & skf18("8","1","10","6","7","2","1") = "9"
    & skf18("8","1","10","6","7","3","1") = "9"
    & skf18("8","1","10","6","7","4","1") = "9"
    & skf18("8","1","10","6","7","5","1") = "9"
    & skf18("8","1","10","6","7","6","1") = "9"
    & skf18("8","1","10","6","7","7","1") = "9"
    & skf18("8","1","10","6","7","8","1") = "9"
    & skf18("8","1","10","6","7","9","1") = "9"
    & skf18("8","1","10","6","7","10","1") = "9"
    & skf18("8","1","10","6","8","1","1") = "9"
    & skf18("8","1","10","6","8","2","1") = "9"
    & skf18("8","1","10","6","8","3","1") = "9"
    & skf18("8","1","10","6","8","4","1") = "9"
    & skf18("8","1","10","6","8","5","1") = "9"
    & skf18("8","1","10","6","8","6","1") = "9"
    & skf18("8","1","10","6","8","7","1") = "9"
    & skf18("8","1","10","6","8","8","1") = "9"
    & skf18("8","1","10","6","8","9","1") = "9"
    & skf18("8","1","10","6","8","10","1") = "9"
    & skf18("8","1","10","6","9","1","1") = "9"
    & skf18("8","1","10","6","9","2","1") = "9"
    & skf18("8","1","10","6","9","3","1") = "9"
    & skf18("8","1","10","6","9","4","1") = "9"
    & skf18("8","1","10","6","9","5","1") = "9"
    & skf18("8","1","10","6","9","6","1") = "9"
    & skf18("8","1","10","6","9","7","1") = "9"
    & skf18("8","1","10","6","9","8","1") = "9"
    & skf18("8","1","10","6","9","9","1") = "9"
    & skf18("8","1","10","6","9","10","1") = "9"
    & skf18("8","1","10","6","10","1","1") = "9"
    & skf18("8","1","10","6","10","2","1") = "9"
    & skf18("8","1","10","6","10","3","1") = "9"
    & skf18("8","1","10","6","10","4","1") = "9"
    & skf18("8","1","10","6","10","5","1") = "9"
    & skf18("8","1","10","6","10","6","1") = "9"
    & skf18("8","1","10","6","10","7","1") = "9"
    & skf18("8","1","10","6","10","8","1") = "9"
    & skf18("8","1","10","6","10","9","1") = "9"
    & skf18("8","1","10","6","10","10","1") = "9"
    & skf18("8","1","10","7","1","1","1") = "9"
    & skf18("8","1","10","7","1","2","1") = "9"
    & skf18("8","1","10","7","1","3","1") = "9"
    & skf18("8","1","10","7","1","4","1") = "9"
    & skf18("8","1","10","7","1","5","1") = "9"
    & skf18("8","1","10","7","1","6","1") = "9"
    & skf18("8","1","10","7","1","7","1") = "9"
    & skf18("8","1","10","7","1","8","1") = "9"
    & skf18("8","1","10","7","1","9","1") = "9"
    & skf18("8","1","10","7","1","10","1") = "9"
    & skf18("8","1","10","7","2","1","1") = "9"
    & skf18("8","1","10","7","2","2","1") = "9"
    & skf18("8","1","10","7","2","3","1") = "9"
    & skf18("8","1","10","7","2","4","1") = "9"
    & skf18("8","1","10","7","2","5","1") = "9"
    & skf18("8","1","10","7","2","6","1") = "9"
    & skf18("8","1","10","7","2","7","1") = "9"
    & skf18("8","1","10","7","2","8","1") = "9"
    & skf18("8","1","10","7","2","9","1") = "9"
    & skf18("8","1","10","7","2","10","1") = "9"
    & skf18("8","1","10","7","3","1","1") = "9"
    & skf18("8","1","10","7","3","2","1") = "9"
    & skf18("8","1","10","7","3","3","1") = "9"
    & skf18("8","1","10","7","3","4","1") = "9"
    & skf18("8","1","10","7","3","5","1") = "9"
    & skf18("8","1","10","7","3","6","1") = "9"
    & skf18("8","1","10","7","3","7","1") = "9"
    & skf18("8","1","10","7","3","8","1") = "9"
    & skf18("8","1","10","7","3","9","1") = "9"
    & skf18("8","1","10","7","3","10","1") = "9"
    & skf18("8","1","10","7","4","1","1") = "9"
    & skf18("8","1","10","7","4","2","1") = "9"
    & skf18("8","1","10","7","4","3","1") = "9"
    & skf18("8","1","10","7","4","4","1") = "9"
    & skf18("8","1","10","7","4","5","1") = "9"
    & skf18("8","1","10","7","4","6","1") = "9"
    & skf18("8","1","10","7","4","7","1") = "9"
    & skf18("8","1","10","7","4","8","1") = "9"
    & skf18("8","1","10","7","4","9","1") = "9"
    & skf18("8","1","10","7","4","10","1") = "9"
    & skf18("8","1","10","7","5","1","1") = "9"
    & skf18("8","1","10","7","5","2","1") = "9"
    & skf18("8","1","10","7","5","3","1") = "9"
    & skf18("8","1","10","7","5","4","1") = "9"
    & skf18("8","1","10","7","5","5","1") = "9"
    & skf18("8","1","10","7","5","6","1") = "9"
    & skf18("8","1","10","7","5","7","1") = "9"
    & skf18("8","1","10","7","5","8","1") = "9"
    & skf18("8","1","10","7","5","9","1") = "9"
    & skf18("8","1","10","7","5","10","1") = "9"
    & skf18("8","1","10","7","6","1","1") = "9"
    & skf18("8","1","10","7","6","2","1") = "9"
    & skf18("8","1","10","7","6","3","1") = "9"
    & skf18("8","1","10","7","6","4","1") = "9"
    & skf18("8","1","10","7","6","5","1") = "9"
    & skf18("8","1","10","7","6","6","1") = "9"
    & skf18("8","1","10","7","6","7","1") = "9"
    & skf18("8","1","10","7","6","8","1") = "9"
    & skf18("8","1","10","7","6","9","1") = "9"
    & skf18("8","1","10","7","6","10","1") = "9"
    & skf18("8","1","10","7","7","1","1") = "9"
    & skf18("8","1","10","7","7","2","1") = "9"
    & skf18("8","1","10","7","7","3","1") = "9"
    & skf18("8","1","10","7","7","4","1") = "9"
    & skf18("8","1","10","7","7","5","1") = "9"
    & skf18("8","1","10","7","7","6","1") = "9"
    & skf18("8","1","10","7","7","7","1") = "9"
    & skf18("8","1","10","7","7","8","1") = "9"
    & skf18("8","1","10","7","7","9","1") = "9"
    & skf18("8","1","10","7","7","10","1") = "9"
    & skf18("8","1","10","7","8","1","1") = "9"
    & skf18("8","1","10","7","8","2","1") = "9"
    & skf18("8","1","10","7","8","3","1") = "9"
    & skf18("8","1","10","7","8","4","1") = "9"
    & skf18("8","1","10","7","8","5","1") = "9"
    & skf18("8","1","10","7","8","6","1") = "9"
    & skf18("8","1","10","7","8","7","1") = "9"
    & skf18("8","1","10","7","8","8","1") = "9"
    & skf18("8","1","10","7","8","9","1") = "9"
    & skf18("8","1","10","7","8","10","1") = "9"
    & skf18("8","1","10","7","9","1","1") = "9"
    & skf18("8","1","10","7","9","2","1") = "9"
    & skf18("8","1","10","7","9","3","1") = "9"
    & skf18("8","1","10","7","9","4","1") = "9"
    & skf18("8","1","10","7","9","5","1") = "9"
    & skf18("8","1","10","7","9","6","1") = "9"
    & skf18("8","1","10","7","9","7","1") = "9"
    & skf18("8","1","10","7","9","8","1") = "9"
    & skf18("8","1","10","7","9","9","1") = "9"
    & skf18("8","1","10","7","9","10","1") = "9"
    & skf18("8","1","10","7","10","1","1") = "9"
    & skf18("8","1","10","7","10","2","1") = "9"
    & skf18("8","1","10","7","10","3","1") = "9"
    & skf18("8","1","10","7","10","4","1") = "9"
    & skf18("8","1","10","7","10","5","1") = "9"
    & skf18("8","1","10","7","10","6","1") = "9"
    & skf18("8","1","10","7","10","7","1") = "9"
    & skf18("8","1","10","7","10","8","1") = "9"
    & skf18("8","1","10","7","10","9","1") = "9"
    & skf18("8","1","10","7","10","10","1") = "9"
    & skf18("8","1","10","8","1","1","1") = "9"
    & skf18("8","1","10","8","1","2","1") = "9"
    & skf18("8","1","10","8","1","3","1") = "9"
    & skf18("8","1","10","8","1","4","1") = "9"
    & skf18("8","1","10","8","1","5","1") = "9"
    & skf18("8","1","10","8","1","6","1") = "9"
    & skf18("8","1","10","8","1","7","1") = "9"
    & skf18("8","1","10","8","1","8","1") = "9"
    & skf18("8","1","10","8","1","9","1") = "9"
    & skf18("8","1","10","8","1","10","1") = "9"
    & skf18("8","1","10","8","2","1","1") = "9"
    & skf18("8","1","10","8","2","2","1") = "9"
    & skf18("8","1","10","8","2","3","1") = "9"
    & skf18("8","1","10","8","2","4","1") = "9"
    & skf18("8","1","10","8","2","5","1") = "9"
    & skf18("8","1","10","8","2","6","1") = "9"
    & skf18("8","1","10","8","2","7","1") = "9"
    & skf18("8","1","10","8","2","8","1") = "9"
    & skf18("8","1","10","8","2","9","1") = "9"
    & skf18("8","1","10","8","2","10","1") = "9"
    & skf18("8","1","10","8","3","1","1") = "9"
    & skf18("8","1","10","8","3","2","1") = "9"
    & skf18("8","1","10","8","3","3","1") = "9"
    & skf18("8","1","10","8","3","4","1") = "9"
    & skf18("8","1","10","8","3","5","1") = "9"
    & skf18("8","1","10","8","3","6","1") = "9"
    & skf18("8","1","10","8","3","7","1") = "9"
    & skf18("8","1","10","8","3","8","1") = "9"
    & skf18("8","1","10","8","3","9","1") = "9"
    & skf18("8","1","10","8","3","10","1") = "9"
    & skf18("8","1","10","8","4","1","1") = "9"
    & skf18("8","1","10","8","4","2","1") = "9"
    & skf18("8","1","10","8","4","3","1") = "9"
    & skf18("8","1","10","8","4","4","1") = "9"
    & skf18("8","1","10","8","4","5","1") = "9"
    & skf18("8","1","10","8","4","6","1") = "9"
    & skf18("8","1","10","8","4","7","1") = "9"
    & skf18("8","1","10","8","4","8","1") = "9"
    & skf18("8","1","10","8","4","9","1") = "9"
    & skf18("8","1","10","8","4","10","1") = "9"
    & skf18("8","1","10","8","5","1","1") = "9"
    & skf18("8","1","10","8","5","2","1") = "9"
    & skf18("8","1","10","8","5","3","1") = "9"
    & skf18("8","1","10","8","5","4","1") = "9"
    & skf18("8","1","10","8","5","5","1") = "9"
    & skf18("8","1","10","8","5","6","1") = "9"
    & skf18("8","1","10","8","5","7","1") = "9"
    & skf18("8","1","10","8","5","8","1") = "9"
    & skf18("8","1","10","8","5","9","1") = "9"
    & skf18("8","1","10","8","5","10","1") = "9"
    & skf18("8","1","10","8","6","1","1") = "9"
    & skf18("8","1","10","8","6","2","1") = "9"
    & skf18("8","1","10","8","6","3","1") = "9"
    & skf18("8","1","10","8","6","4","1") = "9"
    & skf18("8","1","10","8","6","5","1") = "9"
    & skf18("8","1","10","8","6","6","1") = "9"
    & skf18("8","1","10","8","6","7","1") = "9"
    & skf18("8","1","10","8","6","8","1") = "9"
    & skf18("8","1","10","8","6","9","1") = "9"
    & skf18("8","1","10","8","6","10","1") = "9"
    & skf18("8","1","10","8","7","1","1") = "9"
    & skf18("8","1","10","8","7","2","1") = "9"
    & skf18("8","1","10","8","7","3","1") = "9"
    & skf18("8","1","10","8","7","4","1") = "9"
    & skf18("8","1","10","8","7","5","1") = "9"
    & skf18("8","1","10","8","7","6","1") = "9"
    & skf18("8","1","10","8","7","7","1") = "9"
    & skf18("8","1","10","8","7","8","1") = "9"
    & skf18("8","1","10","8","7","9","1") = "9"
    & skf18("8","1","10","8","7","10","1") = "9"
    & skf18("8","1","10","8","8","1","1") = "9"
    & skf18("8","1","10","8","8","2","1") = "9"
    & skf18("8","1","10","8","8","3","1") = "9"
    & skf18("8","1","10","8","8","4","1") = "9"
    & skf18("8","1","10","8","8","5","1") = "9"
    & skf18("8","1","10","8","8","6","1") = "9"
    & skf18("8","1","10","8","8","7","1") = "9"
    & skf18("8","1","10","8","8","8","1") = "9"
    & skf18("8","1","10","8","8","9","1") = "9"
    & skf18("8","1","10","8","8","10","1") = "9"
    & skf18("8","1","10","8","9","1","1") = "9"
    & skf18("8","1","10","8","9","2","1") = "9"
    & skf18("8","1","10","8","9","3","1") = "9"
    & skf18("8","1","10","8","9","4","1") = "9"
    & skf18("8","1","10","8","9","5","1") = "9"
    & skf18("8","1","10","8","9","6","1") = "9"
    & skf18("8","1","10","8","9","7","1") = "9"
    & skf18("8","1","10","8","9","8","1") = "9"
    & skf18("8","1","10","8","9","9","1") = "9"
    & skf18("8","1","10","8","9","10","1") = "9"
    & skf18("8","1","10","8","10","1","1") = "9"
    & skf18("8","1","10","8","10","2","1") = "9"
    & skf18("8","1","10","8","10","3","1") = "9"
    & skf18("8","1","10","8","10","4","1") = "9"
    & skf18("8","1","10","8","10","5","1") = "9"
    & skf18("8","1","10","8","10","6","1") = "9"
    & skf18("8","1","10","8","10","7","1") = "9"
    & skf18("8","1","10","8","10","8","1") = "9"
    & skf18("8","1","10","8","10","9","1") = "9"
    & skf18("8","1","10","8","10","10","1") = "9"
    & skf18("8","1","10","9","1","1","1") = "9"
    & skf18("8","1","10","9","1","2","1") = "9"
    & skf18("8","1","10","9","1","3","1") = "9"
    & skf18("8","1","10","9","1","4","1") = "9"
    & skf18("8","1","10","9","1","5","1") = "9"
    & skf18("8","1","10","9","1","6","1") = "9"
    & skf18("8","1","10","9","1","7","1") = "9"
    & skf18("8","1","10","9","1","8","1") = "9"
    & skf18("8","1","10","9","1","9","1") = "9"
    & skf18("8","1","10","9","1","10","1") = "9"
    & skf18("8","1","10","9","2","1","1") = "9"
    & skf18("8","1","10","9","2","2","1") = "9"
    & skf18("8","1","10","9","2","3","1") = "9"
    & skf18("8","1","10","9","2","4","1") = "9"
    & skf18("8","1","10","9","2","5","1") = "9"
    & skf18("8","1","10","9","2","6","1") = "9"
    & skf18("8","1","10","9","2","7","1") = "9"
    & skf18("8","1","10","9","2","8","1") = "9"
    & skf18("8","1","10","9","2","9","1") = "9"
    & skf18("8","1","10","9","2","10","1") = "9"
    & skf18("8","1","10","9","3","1","1") = "9"
    & skf18("8","1","10","9","3","2","1") = "9"
    & skf18("8","1","10","9","3","3","1") = "9"
    & skf18("8","1","10","9","3","4","1") = "9"
    & skf18("8","1","10","9","3","5","1") = "9"
    & skf18("8","1","10","9","3","6","1") = "9"
    & skf18("8","1","10","9","3","7","1") = "9"
    & skf18("8","1","10","9","3","8","1") = "9"
    & skf18("8","1","10","9","3","9","1") = "9"
    & skf18("8","1","10","9","3","10","1") = "9"
    & skf18("8","1","10","9","4","1","1") = "9"
    & skf18("8","1","10","9","4","2","1") = "9"
    & skf18("8","1","10","9","4","3","1") = "9"
    & skf18("8","1","10","9","4","4","1") = "9"
    & skf18("8","1","10","9","4","5","1") = "9"
    & skf18("8","1","10","9","4","6","1") = "9"
    & skf18("8","1","10","9","4","7","1") = "9"
    & skf18("8","1","10","9","4","8","1") = "9"
    & skf18("8","1","10","9","4","9","1") = "9"
    & skf18("8","1","10","9","4","10","1") = "9"
    & skf18("8","1","10","9","5","1","1") = "9"
    & skf18("8","1","10","9","5","2","1") = "9"
    & skf18("8","1","10","9","5","3","1") = "9"
    & skf18("8","1","10","9","5","4","1") = "9"
    & skf18("8","1","10","9","5","5","1") = "9"
    & skf18("8","1","10","9","5","6","1") = "9"
    & skf18("8","1","10","9","5","7","1") = "9"
    & skf18("8","1","10","9","5","8","1") = "9"
    & skf18("8","1","10","9","5","9","1") = "9"
    & skf18("8","1","10","9","5","10","1") = "9"
    & skf18("8","1","10","9","6","1","1") = "9"
    & skf18("8","1","10","9","6","2","1") = "9"
    & skf18("8","1","10","9","6","3","1") = "9"
    & skf18("8","1","10","9","6","4","1") = "9"
    & skf18("8","1","10","9","6","5","1") = "9"
    & skf18("8","1","10","9","6","6","1") = "9"
    & skf18("8","1","10","9","6","7","1") = "9"
    & skf18("8","1","10","9","6","8","1") = "9"
    & skf18("8","1","10","9","6","9","1") = "9"
    & skf18("8","1","10","9","6","10","1") = "9"
    & skf18("8","1","10","9","7","1","1") = "9"
    & skf18("8","1","10","9","7","2","1") = "9"
    & skf18("8","1","10","9","7","3","1") = "9"
    & skf18("8","1","10","9","7","4","1") = "9"
    & skf18("8","1","10","9","7","5","1") = "9"
    & skf18("8","1","10","9","7","6","1") = "9"
    & skf18("8","1","10","9","7","7","1") = "9"
    & skf18("8","1","10","9","7","8","1") = "9"
    & skf18("8","1","10","9","7","9","1") = "9"
    & skf18("8","1","10","9","7","10","1") = "9"
    & skf18("8","1","10","9","8","1","1") = "9"
    & skf18("8","1","10","9","8","2","1") = "9"
    & skf18("8","1","10","9","8","3","1") = "9"
    & skf18("8","1","10","9","8","4","1") = "9"
    & skf18("8","1","10","9","8","5","1") = "9"
    & skf18("8","1","10","9","8","6","1") = "9"
    & skf18("8","1","10","9","8","7","1") = "9"
    & skf18("8","1","10","9","8","8","1") = "9"
    & skf18("8","1","10","9","8","9","1") = "9"
    & skf18("8","1","10","9","8","10","1") = "9"
    & skf18("8","1","10","9","9","1","1") = "9"
    & skf18("8","1","10","9","9","2","1") = "9"
    & skf18("8","1","10","9","9","3","1") = "9"
    & skf18("8","1","10","9","9","4","1") = "9"
    & skf18("8","1","10","9","9","5","1") = "9"
    & skf18("8","1","10","9","9","6","1") = "9"
    & skf18("8","1","10","9","9","7","1") = "9"
    & skf18("8","1","10","9","9","8","1") = "9"
    & skf18("8","1","10","9","9","9","1") = "9"
    & skf18("8","1","10","9","9","10","1") = "9"
    & skf18("8","1","10","9","10","1","1") = "9"
    & skf18("8","1","10","9","10","2","1") = "9"
    & skf18("8","1","10","9","10","3","1") = "9"
    & skf18("8","1","10","9","10","4","1") = "9"
    & skf18("8","1","10","9","10","5","1") = "9"
    & skf18("8","1","10","9","10","6","1") = "9"
    & skf18("8","1","10","9","10","7","1") = "9"
    & skf18("8","1","10","9","10","8","1") = "9"
    & skf18("8","1","10","9","10","9","1") = "9"
    & skf18("8","1","10","9","10","10","1") = "9"
    & skf18("8","1","10","10","1","1","1") = "9"
    & skf18("8","1","10","10","1","2","1") = "9"
    & skf18("8","1","10","10","1","3","1") = "9"
    & skf18("8","1","10","10","1","4","1") = "9"
    & skf18("8","1","10","10","1","5","1") = "9"
    & skf18("8","1","10","10","1","6","1") = "9"
    & skf18("8","1","10","10","1","7","1") = "9"
    & skf18("8","1","10","10","1","8","1") = "9"
    & skf18("8","1","10","10","1","9","1") = "9"
    & skf18("8","1","10","10","1","10","1") = "9"
    & skf18("8","1","10","10","2","1","1") = "9"
    & skf18("8","1","10","10","2","2","1") = "9"
    & skf18("8","1","10","10","2","3","1") = "9"
    & skf18("8","1","10","10","2","4","1") = "9"
    & skf18("8","1","10","10","2","5","1") = "9"
    & skf18("8","1","10","10","2","6","1") = "9"
    & skf18("8","1","10","10","2","7","1") = "9"
    & skf18("8","1","10","10","2","8","1") = "9"
    & skf18("8","1","10","10","2","9","1") = "9"
    & skf18("8","1","10","10","2","10","1") = "9"
    & skf18("8","1","10","10","3","1","1") = "9"
    & skf18("8","1","10","10","3","2","1") = "9"
    & skf18("8","1","10","10","3","3","1") = "9"
    & skf18("8","1","10","10","3","4","1") = "9"
    & skf18("8","1","10","10","3","5","1") = "9"
    & skf18("8","1","10","10","3","6","1") = "9"
    & skf18("8","1","10","10","3","7","1") = "9"
    & skf18("8","1","10","10","3","8","1") = "9"
    & skf18("8","1","10","10","3","9","1") = "9"
    & skf18("8","1","10","10","3","10","1") = "9"
    & skf18("8","1","10","10","4","1","1") = "9"
    & skf18("8","1","10","10","4","2","1") = "9"
    & skf18("8","1","10","10","4","3","1") = "9"
    & skf18("8","1","10","10","4","4","1") = "9"
    & skf18("8","1","10","10","4","5","1") = "9"
    & skf18("8","1","10","10","4","6","1") = "9"
    & skf18("8","1","10","10","4","7","1") = "9"
    & skf18("8","1","10","10","4","8","1") = "9"
    & skf18("8","1","10","10","4","9","1") = "9"
    & skf18("8","1","10","10","4","10","1") = "9"
    & skf18("8","1","10","10","5","1","1") = "9"
    & skf18("8","1","10","10","5","2","1") = "9"
    & skf18("8","1","10","10","5","3","1") = "9"
    & skf18("8","1","10","10","5","4","1") = "9"
    & skf18("8","1","10","10","5","5","1") = "9"
    & skf18("8","1","10","10","5","6","1") = "9"
    & skf18("8","1","10","10","5","7","1") = "9"
    & skf18("8","1","10","10","5","8","1") = "9"
    & skf18("8","1","10","10","5","9","1") = "9"
    & skf18("8","1","10","10","5","10","1") = "9"
    & skf18("8","1","10","10","6","1","1") = "9"
    & skf18("8","1","10","10","6","2","1") = "9"
    & skf18("8","1","10","10","6","3","1") = "9"
    & skf18("8","1","10","10","6","4","1") = "9"
    & skf18("8","1","10","10","6","5","1") = "9"
    & skf18("8","1","10","10","6","6","1") = "9"
    & skf18("8","1","10","10","6","7","1") = "9"
    & skf18("8","1","10","10","6","8","1") = "9"
    & skf18("8","1","10","10","6","9","1") = "9"
    & skf18("8","1","10","10","6","10","1") = "9"
    & skf18("8","1","10","10","7","1","1") = "9"
    & skf18("8","1","10","10","7","2","1") = "9"
    & skf18("8","1","10","10","7","3","1") = "9"
    & skf18("8","1","10","10","7","4","1") = "9"
    & skf18("8","1","10","10","7","5","1") = "9"
    & skf18("8","1","10","10","7","6","1") = "9"
    & skf18("8","1","10","10","7","7","1") = "9"
    & skf18("8","1","10","10","7","8","1") = "9"
    & skf18("8","1","10","10","7","9","1") = "9"
    & skf18("8","1","10","10","7","10","1") = "9"
    & skf18("8","1","10","10","8","1","1") = "9"
    & skf18("8","1","10","10","8","2","1") = "9"
    & skf18("8","1","10","10","8","3","1") = "9"
    & skf18("8","1","10","10","8","4","1") = "9"
    & skf18("8","1","10","10","8","5","1") = "9"
    & skf18("8","1","10","10","8","6","1") = "9"
    & skf18("8","1","10","10","8","7","1") = "9"
    & skf18("8","1","10","10","8","8","1") = "9"
    & skf18("8","1","10","10","8","9","1") = "9"
    & skf18("8","1","10","10","8","10","1") = "9"
    & skf18("8","1","10","10","9","1","1") = "9"
    & skf18("8","1","10","10","9","2","1") = "9"
    & skf18("8","1","10","10","9","3","1") = "9"
    & skf18("8","1","10","10","9","4","1") = "9"
    & skf18("8","1","10","10","9","5","1") = "9"
    & skf18("8","1","10","10","9","6","1") = "9"
    & skf18("8","1","10","10","9","7","1") = "9"
    & skf18("8","1","10","10","9","8","1") = "9"
    & skf18("8","1","10","10","9","9","1") = "9"
    & skf18("8","1","10","10","9","10","1") = "9"
    & skf18("8","1","10","10","10","1","1") = "9"
    & skf18("8","1","10","10","10","2","1") = "9"
    & skf18("8","1","10","10","10","3","1") = "9"
    & skf18("8","1","10","10","10","4","1") = "9"
    & skf18("8","1","10","10","10","5","1") = "9"
    & skf18("8","1","10","10","10","6","1") = "9"
    & skf18("8","1","10","10","10","7","1") = "9"
    & skf18("8","1","10","10","10","8","1") = "9"
    & skf18("8","1","10","10","10","9","1") = "9"
    & skf18("8","1","10","10","10","10","1") = "9"
    & skf18("8","2","1","1","1","1","1") = "7"
    & skf18("8","2","1","1","1","2","1") = "7"
    & skf18("8","2","1","1","1","3","1") = "7"
    & skf18("8","2","1","1","1","4","1") = "7"
    & skf18("8","2","1","1","1","5","1") = "7"
    & skf18("8","2","1","1","1","6","1") = "7"
    & skf18("8","2","1","1","1","7","1") = "7"
    & skf18("8","2","1","1","1","8","1") = "7"
    & skf18("8","2","1","1","1","9","1") = "8"
    & skf18("8","2","1","1","1","10","1") = "9"
    & skf18("8","2","1","1","2","1","1") = "7"
    & skf18("8","2","1","1","2","2","1") = "7"
    & skf18("8","2","1","1","2","3","1") = "7"
    & skf18("8","2","1","1","2","4","1") = "7"
    & skf18("8","2","1","1","2","5","1") = "7"
    & skf18("8","2","1","1","2","6","1") = "7"
    & skf18("8","2","1","1","2","7","1") = "7"
    & skf18("8","2","1","1","2","8","1") = "7"
    & skf18("8","2","1","1","2","9","1") = "8"
    & skf18("8","2","1","1","2","10","1") = "9"
    & skf18("8","2","1","1","3","1","1") = "7"
    & skf18("8","2","1","1","3","2","1") = "7"
    & skf18("8","2","1","1","3","3","1") = "7"
    & skf18("8","2","1","1","3","4","1") = "7"
    & skf18("8","2","1","1","3","5","1") = "7"
    & skf18("8","2","1","1","3","6","1") = "7"
    & skf18("8","2","1","1","3","7","1") = "7"
    & skf18("8","2","1","1","3","8","1") = "7"
    & skf18("8","2","1","1","3","9","1") = "8"
    & skf18("8","2","1","1","3","10","1") = "9"
    & skf18("8","2","1","1","4","1","1") = "7"
    & skf18("8","2","1","1","4","2","1") = "7"
    & skf18("8","2","1","1","4","3","1") = "7"
    & skf18("8","2","1","1","4","4","1") = "7"
    & skf18("8","2","1","1","4","5","1") = "7"
    & skf18("8","2","1","1","4","6","1") = "7"
    & skf18("8","2","1","1","4","7","1") = "7"
    & skf18("8","2","1","1","4","8","1") = "7"
    & skf18("8","2","1","1","4","9","1") = "8"
    & skf18("8","2","1","1","4","10","1") = "9"
    & skf18("8","2","1","1","5","1","1") = "7"
    & skf18("8","2","1","1","5","2","1") = "7"
    & skf18("8","2","1","1","5","3","1") = "7"
    & skf18("8","2","1","1","5","4","1") = "7"
    & skf18("8","2","1","1","5","5","1") = "7"
    & skf18("8","2","1","1","5","6","1") = "7"
    & skf18("8","2","1","1","5","7","1") = "7"
    & skf18("8","2","1","1","5","8","1") = "7"
    & skf18("8","2","1","1","5","9","1") = "8"
    & skf18("8","2","1","1","5","10","1") = "9"
    & skf18("8","2","1","1","6","1","1") = "7"
    & skf18("8","2","1","1","6","2","1") = "7"
    & skf18("8","2","1","1","6","3","1") = "7"
    & skf18("8","2","1","1","6","4","1") = "7"
    & skf18("8","2","1","1","6","5","1") = "7"
    & skf18("8","2","1","1","6","6","1") = "7"
    & skf18("8","2","1","1","6","7","1") = "7"
    & skf18("8","2","1","1","6","8","1") = "7"
    & skf18("8","2","1","1","6","9","1") = "8"
    & skf18("8","2","1","1","6","10","1") = "9"
    & skf18("8","2","1","1","7","1","1") = "7"
    & skf18("8","2","1","1","7","2","1") = "7"
    & skf18("8","2","1","1","7","3","1") = "7"
    & skf18("8","2","1","1","7","4","1") = "7"
    & skf18("8","2","1","1","7","5","1") = "7"
    & skf18("8","2","1","1","7","6","1") = "7"
    & skf18("8","2","1","1","7","7","1") = "7"
    & skf18("8","2","1","1","7","8","1") = "7"
    & skf18("8","2","1","1","7","9","1") = "8"
    & skf18("8","2","1","1","7","10","1") = "9"
    & skf18("8","2","1","1","8","1","1") = "7"
    & skf18("8","2","1","1","8","2","1") = "7"
    & skf18("8","2","1","1","8","3","1") = "7"
    & skf18("8","2","1","1","8","4","1") = "7"
    & skf18("8","2","1","1","8","5","1") = "7"
    & skf18("8","2","1","1","8","6","1") = "7"
    & skf18("8","2","1","1","8","7","1") = "7"
    & skf18("8","2","1","1","8","8","1") = "7"
    & skf18("8","2","1","1","8","9","1") = "8"
    & skf18("8","2","1","1","8","10","1") = "9"
    & skf18("8","2","1","1","9","1","1") = "8"
    & skf18("8","2","1","1","9","2","1") = "8"
    & skf18("8","2","1","1","9","3","1") = "8"
    & skf18("8","2","1","1","9","4","1") = "8"
    & skf18("8","2","1","1","9","5","1") = "8"
    & skf18("8","2","1","1","9","6","1") = "8"
    & skf18("8","2","1","1","9","7","1") = "8"
    & skf18("8","2","1","1","9","8","1") = "8"
    & skf18("8","2","1","1","9","9","1") = "8"
    & skf18("8","2","1","1","9","10","1") = "9"
    & skf18("8","2","1","1","10","1","1") = "9"
    & skf18("8","2","1","1","10","2","1") = "9"
    & skf18("8","2","1","1","10","3","1") = "9"
    & skf18("8","2","1","1","10","4","1") = "9"
    & skf18("8","2","1","1","10","5","1") = "9"
    & skf18("8","2","1","1","10","6","1") = "9"
    & skf18("8","2","1","1","10","7","1") = "9"
    & skf18("8","2","1","1","10","8","1") = "9"
    & skf18("8","2","1","1","10","9","1") = "9"
    & skf18("8","2","1","1","10","10","1") = "9"
    & skf18("8","2","1","2","1","1","1") = "7"
    & skf18("8","2","1","2","1","2","1") = "7"
    & skf18("8","2","1","2","1","3","1") = "7"
    & skf18("8","2","1","2","1","4","1") = "7"
    & skf18("8","2","1","2","1","5","1") = "7"
    & skf18("8","2","1","2","1","6","1") = "7"
    & skf18("8","2","1","2","1","7","1") = "7"
    & skf18("8","2","1","2","1","8","1") = "7"
    & skf18("8","2","1","2","1","9","1") = "8"
    & skf18("8","2","1","2","1","10","1") = "9"
    & skf18("8","2","1","2","2","1","1") = "7"
    & skf18("8","2","1","2","2","2","1") = "7"
    & skf18("8","2","1","2","2","3","1") = "7"
    & skf18("8","2","1","2","2","4","1") = "7"
    & skf18("8","2","1","2","2","5","1") = "7"
    & skf18("8","2","1","2","2","6","1") = "7"
    & skf18("8","2","1","2","2","7","1") = "7"
    & skf18("8","2","1","2","2","8","1") = "7"
    & skf18("8","2","1","2","2","9","1") = "8"
    & skf18("8","2","1","2","2","10","1") = "9"
    & skf18("8","2","1","2","3","1","1") = "7"
    & skf18("8","2","1","2","3","2","1") = "7"
    & skf18("8","2","1","2","3","3","1") = "7"
    & skf18("8","2","1","2","3","4","1") = "7"
    & skf18("8","2","1","2","3","5","1") = "7"
    & skf18("8","2","1","2","3","6","1") = "7"
    & skf18("8","2","1","2","3","7","1") = "7"
    & skf18("8","2","1","2","3","8","1") = "7"
    & skf18("8","2","1","2","3","9","1") = "8"
    & skf18("8","2","1","2","3","10","1") = "9"
    & skf18("8","2","1","2","4","1","1") = "7"
    & skf18("8","2","1","2","4","2","1") = "7"
    & skf18("8","2","1","2","4","3","1") = "7"
    & skf18("8","2","1","2","4","4","1") = "7"
    & skf18("8","2","1","2","4","5","1") = "7"
    & skf18("8","2","1","2","4","6","1") = "7"
    & skf18("8","2","1","2","4","7","1") = "7"
    & skf18("8","2","1","2","4","8","1") = "7"
    & skf18("8","2","1","2","4","9","1") = "8"
    & skf18("8","2","1","2","4","10","1") = "9"
    & skf18("8","2","1","2","5","1","1") = "7"
    & skf18("8","2","1","2","5","2","1") = "7"
    & skf18("8","2","1","2","5","3","1") = "7"
    & skf18("8","2","1","2","5","4","1") = "7"
    & skf18("8","2","1","2","5","5","1") = "7"
    & skf18("8","2","1","2","5","6","1") = "7"
    & skf18("8","2","1","2","5","7","1") = "7"
    & skf18("8","2","1","2","5","8","1") = "7"
    & skf18("8","2","1","2","5","9","1") = "8"
    & skf18("8","2","1","2","5","10","1") = "9"
    & skf18("8","2","1","2","6","1","1") = "7"
    & skf18("8","2","1","2","6","2","1") = "7"
    & skf18("8","2","1","2","6","3","1") = "7"
    & skf18("8","2","1","2","6","4","1") = "7"
    & skf18("8","2","1","2","6","5","1") = "7"
    & skf18("8","2","1","2","6","6","1") = "7"
    & skf18("8","2","1","2","6","7","1") = "7"
    & skf18("8","2","1","2","6","8","1") = "7"
    & skf18("8","2","1","2","6","9","1") = "8"
    & skf18("8","2","1","2","6","10","1") = "9"
    & skf18("8","2","1","2","7","1","1") = "7"
    & skf18("8","2","1","2","7","2","1") = "7"
    & skf18("8","2","1","2","7","3","1") = "7"
    & skf18("8","2","1","2","7","4","1") = "7"
    & skf18("8","2","1","2","7","5","1") = "7"
    & skf18("8","2","1","2","7","6","1") = "7"
    & skf18("8","2","1","2","7","7","1") = "7"
    & skf18("8","2","1","2","7","8","1") = "7"
    & skf18("8","2","1","2","7","9","1") = "8"
    & skf18("8","2","1","2","7","10","1") = "9"
    & skf18("8","2","1","2","8","1","1") = "7"
    & skf18("8","2","1","2","8","2","1") = "7"
    & skf18("8","2","1","2","8","3","1") = "7"
    & skf18("8","2","1","2","8","4","1") = "7"
    & skf18("8","2","1","2","8","5","1") = "7"
    & skf18("8","2","1","2","8","6","1") = "7"
    & skf18("8","2","1","2","8","7","1") = "7"
    & skf18("8","2","1","2","8","8","1") = "7"
    & skf18("8","2","1","2","8","9","1") = "8"
    & skf18("8","2","1","2","8","10","1") = "9"
    & skf18("8","2","1","2","9","1","1") = "8"
    & skf18("8","2","1","2","9","2","1") = "8"
    & skf18("8","2","1","2","9","3","1") = "8"
    & skf18("8","2","1","2","9","4","1") = "8"
    & skf18("8","2","1","2","9","5","1") = "8"
    & skf18("8","2","1","2","9","6","1") = "8"
    & skf18("8","2","1","2","9","7","1") = "8"
    & skf18("8","2","1","2","9","8","1") = "8"
    & skf18("8","2","1","2","9","9","1") = "8"
    & skf18("8","2","1","2","9","10","1") = "9"
    & skf18("8","2","1","2","10","1","1") = "9"
    & skf18("8","2","1","2","10","2","1") = "9"
    & skf18("8","2","1","2","10","3","1") = "9"
    & skf18("8","2","1","2","10","4","1") = "9"
    & skf18("8","2","1","2","10","5","1") = "9"
    & skf18("8","2","1","2","10","6","1") = "9"
    & skf18("8","2","1","2","10","7","1") = "9"
    & skf18("8","2","1","2","10","8","1") = "9"
    & skf18("8","2","1","2","10","9","1") = "9"
    & skf18("8","2","1","2","10","10","1") = "9"
    & skf18("8","2","1","3","1","1","1") = "7"
    & skf18("8","2","1","3","1","2","1") = "7"
    & skf18("8","2","1","3","1","3","1") = "7"
    & skf18("8","2","1","3","1","4","1") = "7"
    & skf18("8","2","1","3","1","5","1") = "7"
    & skf18("8","2","1","3","1","6","1") = "7"
    & skf18("8","2","1","3","1","7","1") = "7"
    & skf18("8","2","1","3","1","8","1") = "7"
    & skf18("8","2","1","3","1","9","1") = "8"
    & skf18("8","2","1","3","1","10","1") = "9"
    & skf18("8","2","1","3","2","1","1") = "7"
    & skf18("8","2","1","3","2","2","1") = "7"
    & skf18("8","2","1","3","2","3","1") = "7"
    & skf18("8","2","1","3","2","4","1") = "7"
    & skf18("8","2","1","3","2","5","1") = "7"
    & skf18("8","2","1","3","2","6","1") = "7"
    & skf18("8","2","1","3","2","7","1") = "7"
    & skf18("8","2","1","3","2","8","1") = "7"
    & skf18("8","2","1","3","2","9","1") = "8"
    & skf18("8","2","1","3","2","10","1") = "9"
    & skf18("8","2","1","3","3","1","1") = "7"
    & skf18("8","2","1","3","3","2","1") = "7"
    & skf18("8","2","1","3","3","3","1") = "7"
    & skf18("8","2","1","3","3","4","1") = "7"
    & skf18("8","2","1","3","3","5","1") = "7"
    & skf18("8","2","1","3","3","6","1") = "7"
    & skf18("8","2","1","3","3","7","1") = "7"
    & skf18("8","2","1","3","3","8","1") = "7"
    & skf18("8","2","1","3","3","9","1") = "8"
    & skf18("8","2","1","3","3","10","1") = "9"
    & skf18("8","2","1","3","4","1","1") = "7"
    & skf18("8","2","1","3","4","2","1") = "7"
    & skf18("8","2","1","3","4","3","1") = "7"
    & skf18("8","2","1","3","4","4","1") = "7"
    & skf18("8","2","1","3","4","5","1") = "7"
    & skf18("8","2","1","3","4","6","1") = "7"
    & skf18("8","2","1","3","4","7","1") = "7"
    & skf18("8","2","1","3","4","8","1") = "7"
    & skf18("8","2","1","3","4","9","1") = "8"
    & skf18("8","2","1","3","4","10","1") = "9"
    & skf18("8","2","1","3","5","1","1") = "7"
    & skf18("8","2","1","3","5","2","1") = "7"
    & skf18("8","2","1","3","5","3","1") = "7"
    & skf18("8","2","1","3","5","4","1") = "7"
    & skf18("8","2","1","3","5","5","1") = "7"
    & skf18("8","2","1","3","5","6","1") = "7"
    & skf18("8","2","1","3","5","7","1") = "7"
    & skf18("8","2","1","3","5","8","1") = "7"
    & skf18("8","2","1","3","5","9","1") = "8"
    & skf18("8","2","1","3","5","10","1") = "9"
    & skf18("8","2","1","3","6","1","1") = "7"
    & skf18("8","2","1","3","6","2","1") = "7"
    & skf18("8","2","1","3","6","3","1") = "7"
    & skf18("8","2","1","3","6","4","1") = "7"
    & skf18("8","2","1","3","6","5","1") = "7"
    & skf18("8","2","1","3","6","6","1") = "7"
    & skf18("8","2","1","3","6","7","1") = "7"
    & skf18("8","2","1","3","6","8","1") = "7"
    & skf18("8","2","1","3","6","9","1") = "8"
    & skf18("8","2","1","3","6","10","1") = "9"
    & skf18("8","2","1","3","7","1","1") = "7"
    & skf18("8","2","1","3","7","2","1") = "7"
    & skf18("8","2","1","3","7","3","1") = "7"
    & skf18("8","2","1","3","7","4","1") = "7"
    & skf18("8","2","1","3","7","5","1") = "7"
    & skf18("8","2","1","3","7","6","1") = "7"
    & skf18("8","2","1","3","7","7","1") = "7"
    & skf18("8","2","1","3","7","8","1") = "7"
    & skf18("8","2","1","3","7","9","1") = "8"
    & skf18("8","2","1","3","7","10","1") = "9"
    & skf18("8","2","1","3","8","1","1") = "7"
    & skf18("8","2","1","3","8","2","1") = "7"
    & skf18("8","2","1","3","8","3","1") = "7"
    & skf18("8","2","1","3","8","4","1") = "7"
    & skf18("8","2","1","3","8","5","1") = "7"
    & skf18("8","2","1","3","8","6","1") = "7"
    & skf18("8","2","1","3","8","7","1") = "7"
    & skf18("8","2","1","3","8","8","1") = "7"
    & skf18("8","2","1","3","8","9","1") = "8"
    & skf18("8","2","1","3","8","10","1") = "9"
    & skf18("8","2","1","3","9","1","1") = "8"
    & skf18("8","2","1","3","9","2","1") = "8"
    & skf18("8","2","1","3","9","3","1") = "8"
    & skf18("8","2","1","3","9","4","1") = "8"
    & skf18("8","2","1","3","9","5","1") = "8"
    & skf18("8","2","1","3","9","6","1") = "8"
    & skf18("8","2","1","3","9","7","1") = "8"
    & skf18("8","2","1","3","9","8","1") = "8"
    & skf18("8","2","1","3","9","9","1") = "8"
    & skf18("8","2","1","3","9","10","1") = "9"
    & skf18("8","2","1","3","10","1","1") = "9"
    & skf18("8","2","1","3","10","2","1") = "9"
    & skf18("8","2","1","3","10","3","1") = "9"
    & skf18("8","2","1","3","10","4","1") = "9"
    & skf18("8","2","1","3","10","5","1") = "9"
    & skf18("8","2","1","3","10","6","1") = "9"
    & skf18("8","2","1","3","10","7","1") = "9"
    & skf18("8","2","1","3","10","8","1") = "9"
    & skf18("8","2","1","3","10","9","1") = "9"
    & skf18("8","2","1","3","10","10","1") = "9"
    & skf18("8","2","1","4","1","1","1") = "7"
    & skf18("8","2","1","4","1","2","1") = "7"
    & skf18("8","2","1","4","1","3","1") = "7"
    & skf18("8","2","1","4","1","4","1") = "7"
    & skf18("8","2","1","4","1","5","1") = "7"
    & skf18("8","2","1","4","1","6","1") = "7"
    & skf18("8","2","1","4","1","7","1") = "7"
    & skf18("8","2","1","4","1","8","1") = "7"
    & skf18("8","2","1","4","1","9","1") = "8"
    & skf18("8","2","1","4","1","10","1") = "9"
    & skf18("8","2","1","4","2","1","1") = "7"
    & skf18("8","2","1","4","2","2","1") = "7"
    & skf18("8","2","1","4","2","3","1") = "7"
    & skf18("8","2","1","4","2","4","1") = "7"
    & skf18("8","2","1","4","2","5","1") = "7"
    & skf18("8","2","1","4","2","6","1") = "7"
    & skf18("8","2","1","4","2","7","1") = "7"
    & skf18("8","2","1","4","2","8","1") = "7"
    & skf18("8","2","1","4","2","9","1") = "8"
    & skf18("8","2","1","4","2","10","1") = "9"
    & skf18("8","2","1","4","3","1","1") = "7"
    & skf18("8","2","1","4","3","2","1") = "7"
    & skf18("8","2","1","4","3","3","1") = "7"
    & skf18("8","2","1","4","3","4","1") = "7"
    & skf18("8","2","1","4","3","5","1") = "7"
    & skf18("8","2","1","4","3","6","1") = "7"
    & skf18("8","2","1","4","3","7","1") = "7"
    & skf18("8","2","1","4","3","8","1") = "7"
    & skf18("8","2","1","4","3","9","1") = "8"
    & skf18("8","2","1","4","3","10","1") = "9"
    & skf18("8","2","1","4","4","1","1") = "7"
    & skf18("8","2","1","4","4","2","1") = "7"
    & skf18("8","2","1","4","4","3","1") = "7"
    & skf18("8","2","1","4","4","4","1") = "7"
    & skf18("8","2","1","4","4","5","1") = "7"
    & skf18("8","2","1","4","4","6","1") = "7"
    & skf18("8","2","1","4","4","7","1") = "7"
    & skf18("8","2","1","4","4","8","1") = "7"
    & skf18("8","2","1","4","4","9","1") = "8"
    & skf18("8","2","1","4","4","10","1") = "9"
    & skf18("8","2","1","4","5","1","1") = "7"
    & skf18("8","2","1","4","5","2","1") = "7"
    & skf18("8","2","1","4","5","3","1") = "7"
    & skf18("8","2","1","4","5","4","1") = "7"
    & skf18("8","2","1","4","5","5","1") = "7"
    & skf18("8","2","1","4","5","6","1") = "7"
    & skf18("8","2","1","4","5","7","1") = "7"
    & skf18("8","2","1","4","5","8","1") = "7"
    & skf18("8","2","1","4","5","9","1") = "8"
    & skf18("8","2","1","4","5","10","1") = "9"
    & skf18("8","2","1","4","6","1","1") = "7"
    & skf18("8","2","1","4","6","2","1") = "7"
    & skf18("8","2","1","4","6","3","1") = "7"
    & skf18("8","2","1","4","6","4","1") = "7"
    & skf18("8","2","1","4","6","5","1") = "7"
    & skf18("8","2","1","4","6","6","1") = "7"
    & skf18("8","2","1","4","6","7","1") = "7"
    & skf18("8","2","1","4","6","8","1") = "7"
    & skf18("8","2","1","4","6","9","1") = "8"
    & skf18("8","2","1","4","6","10","1") = "9"
    & skf18("8","2","1","4","7","1","1") = "7"
    & skf18("8","2","1","4","7","2","1") = "7"
    & skf18("8","2","1","4","7","3","1") = "7"
    & skf18("8","2","1","4","7","4","1") = "7"
    & skf18("8","2","1","4","7","5","1") = "7"
    & skf18("8","2","1","4","7","6","1") = "7"
    & skf18("8","2","1","4","7","7","1") = "7"
    & skf18("8","2","1","4","7","8","1") = "7"
    & skf18("8","2","1","4","7","9","1") = "8"
    & skf18("8","2","1","4","7","10","1") = "9"
    & skf18("8","2","1","4","8","1","1") = "7"
    & skf18("8","2","1","4","8","2","1") = "7"
    & skf18("8","2","1","4","8","3","1") = "7"
    & skf18("8","2","1","4","8","4","1") = "7"
    & skf18("8","2","1","4","8","5","1") = "7"
    & skf18("8","2","1","4","8","6","1") = "7"
    & skf18("8","2","1","4","8","7","1") = "7"
    & skf18("8","2","1","4","8","8","1") = "7"
    & skf18("8","2","1","4","8","9","1") = "8"
    & skf18("8","2","1","4","8","10","1") = "9"
    & skf18("8","2","1","4","9","1","1") = "8"
    & skf18("8","2","1","4","9","2","1") = "8"
    & skf18("8","2","1","4","9","3","1") = "8"
    & skf18("8","2","1","4","9","4","1") = "8"
    & skf18("8","2","1","4","9","5","1") = "8"
    & skf18("8","2","1","4","9","6","1") = "8"
    & skf18("8","2","1","4","9","7","1") = "8"
    & skf18("8","2","1","4","9","8","1") = "8"
    & skf18("8","2","1","4","9","9","1") = "8"
    & skf18("8","2","1","4","9","10","1") = "9"
    & skf18("8","2","1","4","10","1","1") = "9"
    & skf18("8","2","1","4","10","2","1") = "9"
    & skf18("8","2","1","4","10","3","1") = "9"
    & skf18("8","2","1","4","10","4","1") = "9"
    & skf18("8","2","1","4","10","5","1") = "9"
    & skf18("8","2","1","4","10","6","1") = "9"
    & skf18("8","2","1","4","10","7","1") = "9"
    & skf18("8","2","1","4","10","8","1") = "9"
    & skf18("8","2","1","4","10","9","1") = "9"
    & skf18("8","2","1","4","10","10","1") = "9"
    & skf18("8","2","1","5","1","1","1") = "7"
    & skf18("8","2","1","5","1","2","1") = "7"
    & skf18("8","2","1","5","1","3","1") = "7"
    & skf18("8","2","1","5","1","4","1") = "7"
    & skf18("8","2","1","5","1","5","1") = "7"
    & skf18("8","2","1","5","1","6","1") = "7"
    & skf18("8","2","1","5","1","7","1") = "7"
    & skf18("8","2","1","5","1","8","1") = "7"
    & skf18("8","2","1","5","1","9","1") = "8"
    & skf18("8","2","1","5","1","10","1") = "9"
    & skf18("8","2","1","5","2","1","1") = "7"
    & skf18("8","2","1","5","2","2","1") = "7"
    & skf18("8","2","1","5","2","3","1") = "7"
    & skf18("8","2","1","5","2","4","1") = "7"
    & skf18("8","2","1","5","2","5","1") = "7"
    & skf18("8","2","1","5","2","6","1") = "7"
    & skf18("8","2","1","5","2","7","1") = "7"
    & skf18("8","2","1","5","2","8","1") = "7"
    & skf18("8","2","1","5","2","9","1") = "8"
    & skf18("8","2","1","5","2","10","1") = "9"
    & skf18("8","2","1","5","3","1","1") = "7"
    & skf18("8","2","1","5","3","2","1") = "7"
    & skf18("8","2","1","5","3","3","1") = "7"
    & skf18("8","2","1","5","3","4","1") = "7"
    & skf18("8","2","1","5","3","5","1") = "7"
    & skf18("8","2","1","5","3","6","1") = "7"
    & skf18("8","2","1","5","3","7","1") = "7"
    & skf18("8","2","1","5","3","8","1") = "7"
    & skf18("8","2","1","5","3","9","1") = "8"
    & skf18("8","2","1","5","3","10","1") = "9"
    & skf18("8","2","1","5","4","1","1") = "7"
    & skf18("8","2","1","5","4","2","1") = "7"
    & skf18("8","2","1","5","4","3","1") = "7"
    & skf18("8","2","1","5","4","4","1") = "7"
    & skf18("8","2","1","5","4","5","1") = "7"
    & skf18("8","2","1","5","4","6","1") = "7"
    & skf18("8","2","1","5","4","7","1") = "7"
    & skf18("8","2","1","5","4","8","1") = "7"
    & skf18("8","2","1","5","4","9","1") = "8"
    & skf18("8","2","1","5","4","10","1") = "9"
    & skf18("8","2","1","5","5","1","1") = "7"
    & skf18("8","2","1","5","5","2","1") = "7"
    & skf18("8","2","1","5","5","3","1") = "7"
    & skf18("8","2","1","5","5","4","1") = "7"
    & skf18("8","2","1","5","5","5","1") = "7"
    & skf18("8","2","1","5","5","6","1") = "7"
    & skf18("8","2","1","5","5","7","1") = "7"
    & skf18("8","2","1","5","5","8","1") = "7"
    & skf18("8","2","1","5","5","9","1") = "8"
    & skf18("8","2","1","5","5","10","1") = "9"
    & skf18("8","2","1","5","6","1","1") = "7"
    & skf18("8","2","1","5","6","2","1") = "7"
    & skf18("8","2","1","5","6","3","1") = "7"
    & skf18("8","2","1","5","6","4","1") = "7"
    & skf18("8","2","1","5","6","5","1") = "7"
    & skf18("8","2","1","5","6","6","1") = "7"
    & skf18("8","2","1","5","6","7","1") = "7"
    & skf18("8","2","1","5","6","8","1") = "7"
    & skf18("8","2","1","5","6","9","1") = "8"
    & skf18("8","2","1","5","6","10","1") = "9"
    & skf18("8","2","1","5","7","1","1") = "7"
    & skf18("8","2","1","5","7","2","1") = "7"
    & skf18("8","2","1","5","7","3","1") = "7"
    & skf18("8","2","1","5","7","4","1") = "7"
    & skf18("8","2","1","5","7","5","1") = "7"
    & skf18("8","2","1","5","7","6","1") = "7"
    & skf18("8","2","1","5","7","7","1") = "7"
    & skf18("8","2","1","5","7","8","1") = "7"
    & skf18("8","2","1","5","7","9","1") = "8"
    & skf18("8","2","1","5","7","10","1") = "9"
    & skf18("8","2","1","5","8","1","1") = "7"
    & skf18("8","2","1","5","8","2","1") = "7"
    & skf18("8","2","1","5","8","3","1") = "7"
    & skf18("8","2","1","5","8","4","1") = "7"
    & skf18("8","2","1","5","8","5","1") = "7"
    & skf18("8","2","1","5","8","6","1") = "7"
    & skf18("8","2","1","5","8","7","1") = "7"
    & skf18("8","2","1","5","8","8","1") = "7"
    & skf18("8","2","1","5","8","9","1") = "8"
    & skf18("8","2","1","5","8","10","1") = "9"
    & skf18("8","2","1","5","9","1","1") = "8"
    & skf18("8","2","1","5","9","2","1") = "8"
    & skf18("8","2","1","5","9","3","1") = "8"
    & skf18("8","2","1","5","9","4","1") = "8"
    & skf18("8","2","1","5","9","5","1") = "8"
    & skf18("8","2","1","5","9","6","1") = "8"
    & skf18("8","2","1","5","9","7","1") = "8"
    & skf18("8","2","1","5","9","8","1") = "8"
    & skf18("8","2","1","5","9","9","1") = "8"
    & skf18("8","2","1","5","9","10","1") = "9"
    & skf18("8","2","1","5","10","1","1") = "9"
    & skf18("8","2","1","5","10","2","1") = "9"
    & skf18("8","2","1","5","10","3","1") = "9"
    & skf18("8","2","1","5","10","4","1") = "9"
    & skf18("8","2","1","5","10","5","1") = "9"
    & skf18("8","2","1","5","10","6","1") = "9"
    & skf18("8","2","1","5","10","7","1") = "9"
    & skf18("8","2","1","5","10","8","1") = "9"
    & skf18("8","2","1","5","10","9","1") = "9"
    & skf18("8","2","1","5","10","10","1") = "9"
    & skf18("8","2","1","6","1","1","1") = "7"
    & skf18("8","2","1","6","1","2","1") = "7"
    & skf18("8","2","1","6","1","3","1") = "7"
    & skf18("8","2","1","6","1","4","1") = "7"
    & skf18("8","2","1","6","1","5","1") = "7"
    & skf18("8","2","1","6","1","6","1") = "7"
    & skf18("8","2","1","6","1","7","1") = "7"
    & skf18("8","2","1","6","1","8","1") = "7"
    & skf18("8","2","1","6","1","9","1") = "8"
    & skf18("8","2","1","6","1","10","1") = "9"
    & skf18("8","2","1","6","2","1","1") = "7"
    & skf18("8","2","1","6","2","2","1") = "7"
    & skf18("8","2","1","6","2","3","1") = "7"
    & skf18("8","2","1","6","2","4","1") = "7"
    & skf18("8","2","1","6","2","5","1") = "7"
    & skf18("8","2","1","6","2","6","1") = "7"
    & skf18("8","2","1","6","2","7","1") = "7"
    & skf18("8","2","1","6","2","8","1") = "7"
    & skf18("8","2","1","6","2","9","1") = "8"
    & skf18("8","2","1","6","2","10","1") = "9"
    & skf18("8","2","1","6","3","1","1") = "7"
    & skf18("8","2","1","6","3","2","1") = "7"
    & skf18("8","2","1","6","3","3","1") = "7"
    & skf18("8","2","1","6","3","4","1") = "7"
    & skf18("8","2","1","6","3","5","1") = "7"
    & skf18("8","2","1","6","3","6","1") = "7"
    & skf18("8","2","1","6","3","7","1") = "7"
    & skf18("8","2","1","6","3","8","1") = "7"
    & skf18("8","2","1","6","3","9","1") = "8"
    & skf18("8","2","1","6","3","10","1") = "9"
    & skf18("8","2","1","6","4","1","1") = "7"
    & skf18("8","2","1","6","4","2","1") = "7"
    & skf18("8","2","1","6","4","3","1") = "7"
    & skf18("8","2","1","6","4","4","1") = "7"
    & skf18("8","2","1","6","4","5","1") = "7"
    & skf18("8","2","1","6","4","6","1") = "7"
    & skf18("8","2","1","6","4","7","1") = "7"
    & skf18("8","2","1","6","4","8","1") = "7"
    & skf18("8","2","1","6","4","9","1") = "8"
    & skf18("8","2","1","6","4","10","1") = "9"
    & skf18("8","2","1","6","5","1","1") = "7"
    & skf18("8","2","1","6","5","2","1") = "7"
    & skf18("8","2","1","6","5","3","1") = "7"
    & skf18("8","2","1","6","5","4","1") = "7"
    & skf18("8","2","1","6","5","5","1") = "7"
    & skf18("8","2","1","6","5","6","1") = "7"
    & skf18("8","2","1","6","5","7","1") = "7"
    & skf18("8","2","1","6","5","8","1") = "7"
    & skf18("8","2","1","6","5","9","1") = "8"
    & skf18("8","2","1","6","5","10","1") = "9"
    & skf18("8","2","1","6","6","1","1") = "7"
    & skf18("8","2","1","6","6","2","1") = "7"
    & skf18("8","2","1","6","6","3","1") = "7"
    & skf18("8","2","1","6","6","4","1") = "7"
    & skf18("8","2","1","6","6","5","1") = "7"
    & skf18("8","2","1","6","6","6","1") = "7"
    & skf18("8","2","1","6","6","7","1") = "7"
    & skf18("8","2","1","6","6","8","1") = "7"
    & skf18("8","2","1","6","6","9","1") = "8"
    & skf18("8","2","1","6","6","10","1") = "9"
    & skf18("8","2","1","6","7","1","1") = "7"
    & skf18("8","2","1","6","7","2","1") = "7"
    & skf18("8","2","1","6","7","3","1") = "7"
    & skf18("8","2","1","6","7","4","1") = "7"
    & skf18("8","2","1","6","7","5","1") = "7"
    & skf18("8","2","1","6","7","6","1") = "7"
    & skf18("8","2","1","6","7","7","1") = "7"
    & skf18("8","2","1","6","7","8","1") = "7"
    & skf18("8","2","1","6","7","9","1") = "8"
    & skf18("8","2","1","6","7","10","1") = "9"
    & skf18("8","2","1","6","8","1","1") = "7"
    & skf18("8","2","1","6","8","2","1") = "7"
    & skf18("8","2","1","6","8","3","1") = "7"
    & skf18("8","2","1","6","8","4","1") = "7"
    & skf18("8","2","1","6","8","5","1") = "7"
    & skf18("8","2","1","6","8","6","1") = "7"
    & skf18("8","2","1","6","8","7","1") = "7"
    & skf18("8","2","1","6","8","8","1") = "7"
    & skf18("8","2","1","6","8","9","1") = "8"
    & skf18("8","2","1","6","8","10","1") = "9"
    & skf18("8","2","1","6","9","1","1") = "8"
    & skf18("8","2","1","6","9","2","1") = "8"
    & skf18("8","2","1","6","9","3","1") = "8"
    & skf18("8","2","1","6","9","4","1") = "8"
    & skf18("8","2","1","6","9","5","1") = "8"
    & skf18("8","2","1","6","9","6","1") = "8"
    & skf18("8","2","1","6","9","7","1") = "8"
    & skf18("8","2","1","6","9","8","1") = "8"
    & skf18("8","2","1","6","9","9","1") = "8"
    & skf18("8","2","1","6","9","10","1") = "9"
    & skf18("8","2","1","6","10","1","1") = "9"
    & skf18("8","2","1","6","10","2","1") = "9"
    & skf18("8","2","1","6","10","3","1") = "9"
    & skf18("8","2","1","6","10","4","1") = "9"
    & skf18("8","2","1","6","10","5","1") = "9"
    & skf18("8","2","1","6","10","6","1") = "9"
    & skf18("8","2","1","6","10","7","1") = "9"
    & skf18("8","2","1","6","10","8","1") = "9"
    & skf18("8","2","1","6","10","9","1") = "9"
    & skf18("8","2","1","6","10","10","1") = "9"
    & skf18("8","2","1","7","1","1","1") = "7"
    & skf18("8","2","1","7","1","2","1") = "7"
    & skf18("8","2","1","7","1","3","1") = "7"
    & skf18("8","2","1","7","1","4","1") = "7"
    & skf18("8","2","1","7","1","5","1") = "7"
    & skf18("8","2","1","7","1","6","1") = "7"
    & skf18("8","2","1","7","1","7","1") = "7"
    & skf18("8","2","1","7","1","8","1") = "7"
    & skf18("8","2","1","7","1","9","1") = "8"
    & skf18("8","2","1","7","1","10","1") = "9"
    & skf18("8","2","1","7","2","1","1") = "7"
    & skf18("8","2","1","7","2","2","1") = "7"
    & skf18("8","2","1","7","2","3","1") = "7"
    & skf18("8","2","1","7","2","4","1") = "7"
    & skf18("8","2","1","7","2","5","1") = "7"
    & skf18("8","2","1","7","2","6","1") = "7"
    & skf18("8","2","1","7","2","7","1") = "7"
    & skf18("8","2","1","7","2","8","1") = "7"
    & skf18("8","2","1","7","2","9","1") = "8"
    & skf18("8","2","1","7","2","10","1") = "9"
    & skf18("8","2","1","7","3","1","1") = "7"
    & skf18("8","2","1","7","3","2","1") = "7"
    & skf18("8","2","1","7","3","3","1") = "7"
    & skf18("8","2","1","7","3","4","1") = "7"
    & skf18("8","2","1","7","3","5","1") = "7"
    & skf18("8","2","1","7","3","6","1") = "7"
    & skf18("8","2","1","7","3","7","1") = "7"
    & skf18("8","2","1","7","3","8","1") = "7"
    & skf18("8","2","1","7","3","9","1") = "8"
    & skf18("8","2","1","7","3","10","1") = "9"
    & skf18("8","2","1","7","4","1","1") = "7"
    & skf18("8","2","1","7","4","2","1") = "7"
    & skf18("8","2","1","7","4","3","1") = "7"
    & skf18("8","2","1","7","4","4","1") = "7"
    & skf18("8","2","1","7","4","5","1") = "7"
    & skf18("8","2","1","7","4","6","1") = "7"
    & skf18("8","2","1","7","4","7","1") = "7"
    & skf18("8","2","1","7","4","8","1") = "7"
    & skf18("8","2","1","7","4","9","1") = "8"
    & skf18("8","2","1","7","4","10","1") = "9"
    & skf18("8","2","1","7","5","1","1") = "7"
    & skf18("8","2","1","7","5","2","1") = "7"
    & skf18("8","2","1","7","5","3","1") = "7"
    & skf18("8","2","1","7","5","4","1") = "7"
    & skf18("8","2","1","7","5","5","1") = "7"
    & skf18("8","2","1","7","5","6","1") = "7"
    & skf18("8","2","1","7","5","7","1") = "7"
    & skf18("8","2","1","7","5","8","1") = "7"
    & skf18("8","2","1","7","5","9","1") = "8"
    & skf18("8","2","1","7","5","10","1") = "9"
    & skf18("8","2","1","7","6","1","1") = "7"
    & skf18("8","2","1","7","6","2","1") = "7"
    & skf18("8","2","1","7","6","3","1") = "7"
    & skf18("8","2","1","7","6","4","1") = "7"
    & skf18("8","2","1","7","6","5","1") = "7"
    & skf18("8","2","1","7","6","6","1") = "7"
    & skf18("8","2","1","7","6","7","1") = "7"
    & skf18("8","2","1","7","6","8","1") = "7"
    & skf18("8","2","1","7","6","9","1") = "8"
    & skf18("8","2","1","7","6","10","1") = "9"
    & skf18("8","2","1","7","7","1","1") = "7"
    & skf18("8","2","1","7","7","2","1") = "7"
    & skf18("8","2","1","7","7","3","1") = "7"
    & skf18("8","2","1","7","7","4","1") = "7"
    & skf18("8","2","1","7","7","5","1") = "7"
    & skf18("8","2","1","7","7","6","1") = "7"
    & skf18("8","2","1","7","7","7","1") = "7"
    & skf18("8","2","1","7","7","8","1") = "7"
    & skf18("8","2","1","7","7","9","1") = "8"
    & skf18("8","2","1","7","7","10","1") = "9"
    & skf18("8","2","1","7","8","1","1") = "7"
    & skf18("8","2","1","7","8","2","1") = "7"
    & skf18("8","2","1","7","8","3","1") = "7"
    & skf18("8","2","1","7","8","4","1") = "7"
    & skf18("8","2","1","7","8","5","1") = "7"
    & skf18("8","2","1","7","8","6","1") = "7"
    & skf18("8","2","1","7","8","7","1") = "7"
    & skf18("8","2","1","7","8","8","1") = "7"
    & skf18("8","2","1","7","8","9","1") = "8"
    & skf18("8","2","1","7","8","10","1") = "9"
    & skf18("8","2","1","7","9","1","1") = "8"
    & skf18("8","2","1","7","9","2","1") = "8"
    & skf18("8","2","1","7","9","3","1") = "8"
    & skf18("8","2","1","7","9","4","1") = "8"
    & skf18("8","2","1","7","9","5","1") = "8"
    & skf18("8","2","1","7","9","6","1") = "8"
    & skf18("8","2","1","7","9","7","1") = "8"
    & skf18("8","2","1","7","9","8","1") = "8"
    & skf18("8","2","1","7","9","9","1") = "8"
    & skf18("8","2","1","7","9","10","1") = "9"
    & skf18("8","2","1","7","10","1","1") = "9"
    & skf18("8","2","1","7","10","2","1") = "9"
    & skf18("8","2","1","7","10","3","1") = "9"
    & skf18("8","2","1","7","10","4","1") = "9"
    & skf18("8","2","1","7","10","5","1") = "9"
    & skf18("8","2","1","7","10","6","1") = "9"
    & skf18("8","2","1","7","10","7","1") = "9"
    & skf18("8","2","1","7","10","8","1") = "9"
    & skf18("8","2","1","7","10","9","1") = "9"
    & skf18("8","2","1","7","10","10","1") = "9"
    & skf18("8","2","1","8","1","1","1") = "7"
    & skf18("8","2","1","8","1","2","1") = "7"
    & skf18("8","2","1","8","1","3","1") = "7"
    & skf18("8","2","1","8","1","4","1") = "7"
    & skf18("8","2","1","8","1","5","1") = "7"
    & skf18("8","2","1","8","1","6","1") = "7"
    & skf18("8","2","1","8","1","7","1") = "7"
    & skf18("8","2","1","8","1","8","1") = "7"
    & skf18("8","2","1","8","1","9","1") = "8"
    & skf18("8","2","1","8","1","10","1") = "9"
    & skf18("8","2","1","8","2","1","1") = "7"
    & skf18("8","2","1","8","2","2","1") = "7"
    & skf18("8","2","1","8","2","3","1") = "7"
    & skf18("8","2","1","8","2","4","1") = "7"
    & skf18("8","2","1","8","2","5","1") = "7"
    & skf18("8","2","1","8","2","6","1") = "7"
    & skf18("8","2","1","8","2","7","1") = "7"
    & skf18("8","2","1","8","2","8","1") = "7"
    & skf18("8","2","1","8","2","9","1") = "8"
    & skf18("8","2","1","8","2","10","1") = "9"
    & skf18("8","2","1","8","3","1","1") = "7"
    & skf18("8","2","1","8","3","2","1") = "7"
    & skf18("8","2","1","8","3","3","1") = "7"
    & skf18("8","2","1","8","3","4","1") = "7"
    & skf18("8","2","1","8","3","5","1") = "7"
    & skf18("8","2","1","8","3","6","1") = "7"
    & skf18("8","2","1","8","3","7","1") = "7"
    & skf18("8","2","1","8","3","8","1") = "7"
    & skf18("8","2","1","8","3","9","1") = "8"
    & skf18("8","2","1","8","3","10","1") = "9"
    & skf18("8","2","1","8","4","1","1") = "7"
    & skf18("8","2","1","8","4","2","1") = "7"
    & skf18("8","2","1","8","4","3","1") = "7"
    & skf18("8","2","1","8","4","4","1") = "7"
    & skf18("8","2","1","8","4","5","1") = "7"
    & skf18("8","2","1","8","4","6","1") = "7"
    & skf18("8","2","1","8","4","7","1") = "7"
    & skf18("8","2","1","8","4","8","1") = "7"
    & skf18("8","2","1","8","4","9","1") = "8"
    & skf18("8","2","1","8","4","10","1") = "9"
    & skf18("8","2","1","8","5","1","1") = "7"
    & skf18("8","2","1","8","5","2","1") = "7"
    & skf18("8","2","1","8","5","3","1") = "7"
    & skf18("8","2","1","8","5","4","1") = "7"
    & skf18("8","2","1","8","5","5","1") = "7"
    & skf18("8","2","1","8","5","6","1") = "7"
    & skf18("8","2","1","8","5","7","1") = "7"
    & skf18("8","2","1","8","5","8","1") = "7"
    & skf18("8","2","1","8","5","9","1") = "8"
    & skf18("8","2","1","8","5","10","1") = "9"
    & skf18("8","2","1","8","6","1","1") = "7"
    & skf18("8","2","1","8","6","2","1") = "7"
    & skf18("8","2","1","8","6","3","1") = "7"
    & skf18("8","2","1","8","6","4","1") = "7"
    & skf18("8","2","1","8","6","5","1") = "7"
    & skf18("8","2","1","8","6","6","1") = "7"
    & skf18("8","2","1","8","6","7","1") = "7"
    & skf18("8","2","1","8","6","8","1") = "7"
    & skf18("8","2","1","8","6","9","1") = "8"
    & skf18("8","2","1","8","6","10","1") = "9"
    & skf18("8","2","1","8","7","1","1") = "7"
    & skf18("8","2","1","8","7","2","1") = "7"
    & skf18("8","2","1","8","7","3","1") = "7"
    & skf18("8","2","1","8","7","4","1") = "7"
    & skf18("8","2","1","8","7","5","1") = "7"
    & skf18("8","2","1","8","7","6","1") = "7"
    & skf18("8","2","1","8","7","7","1") = "7"
    & skf18("8","2","1","8","7","8","1") = "7"
    & skf18("8","2","1","8","7","9","1") = "8"
    & skf18("8","2","1","8","7","10","1") = "9"
    & skf18("8","2","1","8","8","1","1") = "7"
    & skf18("8","2","1","8","8","2","1") = "7"
    & skf18("8","2","1","8","8","3","1") = "7"
    & skf18("8","2","1","8","8","4","1") = "7"
    & skf18("8","2","1","8","8","5","1") = "7"
    & skf18("8","2","1","8","8","6","1") = "7"
    & skf18("8","2","1","8","8","7","1") = "7"
    & skf18("8","2","1","8","8","8","1") = "7"
    & skf18("8","2","1","8","8","9","1") = "8"
    & skf18("8","2","1","8","8","10","1") = "9"
    & skf18("8","2","1","8","9","1","1") = "8"
    & skf18("8","2","1","8","9","2","1") = "8"
    & skf18("8","2","1","8","9","3","1") = "8"
    & skf18("8","2","1","8","9","4","1") = "8"
    & skf18("8","2","1","8","9","5","1") = "8"
    & skf18("8","2","1","8","9","6","1") = "8"
    & skf18("8","2","1","8","9","7","1") = "8"
    & skf18("8","2","1","8","9","8","1") = "8"
    & skf18("8","2","1","8","9","9","1") = "8"
    & skf18("8","2","1","8","9","10","1") = "9"
    & skf18("8","2","1","8","10","1","1") = "9"
    & skf18("8","2","1","8","10","2","1") = "9"
    & skf18("8","2","1","8","10","3","1") = "9"
    & skf18("8","2","1","8","10","4","1") = "9"
    & skf18("8","2","1","8","10","5","1") = "9"
    & skf18("8","2","1","8","10","6","1") = "9"
    & skf18("8","2","1","8","10","7","1") = "9"
    & skf18("8","2","1","8","10","8","1") = "9"
    & skf18("8","2","1","8","10","9","1") = "9"
    & skf18("8","2","1","8","10","10","1") = "9"
    & skf18("8","2","1","9","1","1","1") = "8"
    & skf18("8","2","1","9","1","2","1") = "8"
    & skf18("8","2","1","9","1","3","1") = "8"
    & skf18("8","2","1","9","1","4","1") = "8"
    & skf18("8","2","1","9","1","5","1") = "8"
    & skf18("8","2","1","9","1","6","1") = "8"
    & skf18("8","2","1","9","1","7","1") = "8"
    & skf18("8","2","1","9","1","8","1") = "8"
    & skf18("8","2","1","9","1","9","1") = "8"
    & skf18("8","2","1","9","1","10","1") = "9"
    & skf18("8","2","1","9","2","1","1") = "8"
    & skf18("8","2","1","9","2","2","1") = "8"
    & skf18("8","2","1","9","2","3","1") = "8"
    & skf18("8","2","1","9","2","4","1") = "8"
    & skf18("8","2","1","9","2","5","1") = "8"
    & skf18("8","2","1","9","2","6","1") = "8"
    & skf18("8","2","1","9","2","7","1") = "8"
    & skf18("8","2","1","9","2","8","1") = "8"
    & skf18("8","2","1","9","2","9","1") = "8"
    & skf18("8","2","1","9","2","10","1") = "9"
    & skf18("8","2","1","9","3","1","1") = "8"
    & skf18("8","2","1","9","3","2","1") = "8"
    & skf18("8","2","1","9","3","3","1") = "8"
    & skf18("8","2","1","9","3","4","1") = "8"
    & skf18("8","2","1","9","3","5","1") = "8"
    & skf18("8","2","1","9","3","6","1") = "8"
    & skf18("8","2","1","9","3","7","1") = "8"
    & skf18("8","2","1","9","3","8","1") = "8"
    & skf18("8","2","1","9","3","9","1") = "8"
    & skf18("8","2","1","9","3","10","1") = "9"
    & skf18("8","2","1","9","4","1","1") = "8"
    & skf18("8","2","1","9","4","2","1") = "8"
    & skf18("8","2","1","9","4","3","1") = "8"
    & skf18("8","2","1","9","4","4","1") = "8"
    & skf18("8","2","1","9","4","5","1") = "8"
    & skf18("8","2","1","9","4","6","1") = "8"
    & skf18("8","2","1","9","4","7","1") = "8"
    & skf18("8","2","1","9","4","8","1") = "8"
    & skf18("8","2","1","9","4","9","1") = "8"
    & skf18("8","2","1","9","4","10","1") = "9"
    & skf18("8","2","1","9","5","1","1") = "8"
    & skf18("8","2","1","9","5","2","1") = "8"
    & skf18("8","2","1","9","5","3","1") = "8"
    & skf18("8","2","1","9","5","4","1") = "8"
    & skf18("8","2","1","9","5","5","1") = "8"
    & skf18("8","2","1","9","5","6","1") = "8"
    & skf18("8","2","1","9","5","7","1") = "8"
    & skf18("8","2","1","9","5","8","1") = "8"
    & skf18("8","2","1","9","5","9","1") = "8"
    & skf18("8","2","1","9","5","10","1") = "9"
    & skf18("8","2","1","9","6","1","1") = "8"
    & skf18("8","2","1","9","6","2","1") = "8"
    & skf18("8","2","1","9","6","3","1") = "8"
    & skf18("8","2","1","9","6","4","1") = "8"
    & skf18("8","2","1","9","6","5","1") = "8"
    & skf18("8","2","1","9","6","6","1") = "8"
    & skf18("8","2","1","9","6","7","1") = "8"
    & skf18("8","2","1","9","6","8","1") = "8"
    & skf18("8","2","1","9","6","9","1") = "8"
    & skf18("8","2","1","9","6","10","1") = "9"
    & skf18("8","2","1","9","7","1","1") = "8"
    & skf18("8","2","1","9","7","2","1") = "8"
    & skf18("8","2","1","9","7","3","1") = "8"
    & skf18("8","2","1","9","7","4","1") = "8"
    & skf18("8","2","1","9","7","5","1") = "8"
    & skf18("8","2","1","9","7","6","1") = "8"
    & skf18("8","2","1","9","7","7","1") = "8"
    & skf18("8","2","1","9","7","8","1") = "8"
    & skf18("8","2","1","9","7","9","1") = "8"
    & skf18("8","2","1","9","7","10","1") = "9"
    & skf18("8","2","1","9","8","1","1") = "8"
    & skf18("8","2","1","9","8","2","1") = "8"
    & skf18("8","2","1","9","8","3","1") = "8"
    & skf18("8","2","1","9","8","4","1") = "8"
    & skf18("8","2","1","9","8","5","1") = "8"
    & skf18("8","2","1","9","8","6","1") = "8"
    & skf18("8","2","1","9","8","7","1") = "8"
    & skf18("8","2","1","9","8","8","1") = "8"
    & skf18("8","2","1","9","8","9","1") = "8"
    & skf18("8","2","1","9","8","10","1") = "9"
    & skf18("8","2","1","9","9","1","1") = "8"
    & skf18("8","2","1","9","9","2","1") = "8"
    & skf18("8","2","1","9","9","3","1") = "8"
    & skf18("8","2","1","9","9","4","1") = "8"
    & skf18("8","2","1","9","9","5","1") = "8"
    & skf18("8","2","1","9","9","6","1") = "8"
    & skf18("8","2","1","9","9","7","1") = "8"
    & skf18("8","2","1","9","9","8","1") = "8"
    & skf18("8","2","1","9","9","9","1") = "8"
    & skf18("8","2","1","9","9","10","1") = "9"
    & skf18("8","2","1","9","10","1","1") = "9"
    & skf18("8","2","1","9","10","2","1") = "9"
    & skf18("8","2","1","9","10","3","1") = "9"
    & skf18("8","2","1","9","10","4","1") = "9"
    & skf18("8","2","1","9","10","5","1") = "9"
    & skf18("8","2","1","9","10","6","1") = "9"
    & skf18("8","2","1","9","10","7","1") = "9"
    & skf18("8","2","1","9","10","8","1") = "9"
    & skf18("8","2","1","9","10","9","1") = "9"
    & skf18("8","2","1","9","10","10","1") = "9"
    & skf18("8","2","1","10","1","1","1") = "9"
    & skf18("8","2","1","10","1","2","1") = "9"
    & skf18("8","2","1","10","1","3","1") = "9"
    & skf18("8","2","1","10","1","4","1") = "9"
    & skf18("8","2","1","10","1","5","1") = "9"
    & skf18("8","2","1","10","1","6","1") = "9"
    & skf18("8","2","1","10","1","7","1") = "9"
    & skf18("8","2","1","10","1","8","1") = "9"
    & skf18("8","2","1","10","1","9","1") = "9"
    & skf18("8","2","1","10","1","10","1") = "9"
    & skf18("8","2","1","10","2","1","1") = "9"
    & skf18("8","2","1","10","2","2","1") = "9"
    & skf18("8","2","1","10","2","3","1") = "9"
    & skf18("8","2","1","10","2","4","1") = "9"
    & skf18("8","2","1","10","2","5","1") = "9"
    & skf18("8","2","1","10","2","6","1") = "9"
    & skf18("8","2","1","10","2","7","1") = "9"
    & skf18("8","2","1","10","2","8","1") = "9"
    & skf18("8","2","1","10","2","9","1") = "9"
    & skf18("8","2","1","10","2","10","1") = "9"
    & skf18("8","2","1","10","3","1","1") = "9"
    & skf18("8","2","1","10","3","2","1") = "9"
    & skf18("8","2","1","10","3","3","1") = "9"
    & skf18("8","2","1","10","3","4","1") = "9"
    & skf18("8","2","1","10","3","5","1") = "9"
    & skf18("8","2","1","10","3","6","1") = "9"
    & skf18("8","2","1","10","3","7","1") = "9"
    & skf18("8","2","1","10","3","8","1") = "9"
    & skf18("8","2","1","10","3","9","1") = "9"
    & skf18("8","2","1","10","3","10","1") = "9"
    & skf18("8","2","1","10","4","1","1") = "9"
    & skf18("8","2","1","10","4","2","1") = "9"
    & skf18("8","2","1","10","4","3","1") = "9"
    & skf18("8","2","1","10","4","4","1") = "9"
    & skf18("8","2","1","10","4","5","1") = "9"
    & skf18("8","2","1","10","4","6","1") = "9"
    & skf18("8","2","1","10","4","7","1") = "9"
    & skf18("8","2","1","10","4","8","1") = "9"
    & skf18("8","2","1","10","4","9","1") = "9"
    & skf18("8","2","1","10","4","10","1") = "9"
    & skf18("8","2","1","10","5","1","1") = "9"
    & skf18("8","2","1","10","5","2","1") = "9"
    & skf18("8","2","1","10","5","3","1") = "9"
    & skf18("8","2","1","10","5","4","1") = "9"
    & skf18("8","2","1","10","5","5","1") = "9"
    & skf18("8","2","1","10","5","6","1") = "9"
    & skf18("8","2","1","10","5","7","1") = "9"
    & skf18("8","2","1","10","5","8","1") = "9"
    & skf18("8","2","1","10","5","9","1") = "9"
    & skf18("8","2","1","10","5","10","1") = "9"
    & skf18("8","2","1","10","6","1","1") = "9"
    & skf18("8","2","1","10","6","2","1") = "9"
    & skf18("8","2","1","10","6","3","1") = "9"
    & skf18("8","2","1","10","6","4","1") = "9"
    & skf18("8","2","1","10","6","5","1") = "9"
    & skf18("8","2","1","10","6","6","1") = "9"
    & skf18("8","2","1","10","6","7","1") = "9"
    & skf18("8","2","1","10","6","8","1") = "9"
    & skf18("8","2","1","10","6","9","1") = "9"
    & skf18("8","2","1","10","6","10","1") = "9"
    & skf18("8","2","1","10","7","1","1") = "9"
    & skf18("8","2","1","10","7","2","1") = "9"
    & skf18("8","2","1","10","7","3","1") = "9"
    & skf18("8","2","1","10","7","4","1") = "9"
    & skf18("8","2","1","10","7","5","1") = "9"
    & skf18("8","2","1","10","7","6","1") = "9"
    & skf18("8","2","1","10","7","7","1") = "9"
    & skf18("8","2","1","10","7","8","1") = "9"
    & skf18("8","2","1","10","7","9","1") = "9"
    & skf18("8","2","1","10","7","10","1") = "9"
    & skf18("8","2","1","10","8","1","1") = "9"
    & skf18("8","2","1","10","8","2","1") = "9"
    & skf18("8","2","1","10","8","3","1") = "9"
    & skf18("8","2","1","10","8","4","1") = "9"
    & skf18("8","2","1","10","8","5","1") = "9"
    & skf18("8","2","1","10","8","6","1") = "9"
    & skf18("8","2","1","10","8","7","1") = "9"
    & skf18("8","2","1","10","8","8","1") = "9"
    & skf18("8","2","1","10","8","9","1") = "9"
    & skf18("8","2","1","10","8","10","1") = "9"
    & skf18("8","2","1","10","9","1","1") = "9"
    & skf18("8","2","1","10","9","2","1") = "9"
    & skf18("8","2","1","10","9","3","1") = "9"
    & skf18("8","2","1","10","9","4","1") = "9"
    & skf18("8","2","1","10","9","5","1") = "9"
    & skf18("8","2","1","10","9","6","1") = "9"
    & skf18("8","2","1","10","9","7","1") = "9"
    & skf18("8","2","1","10","9","8","1") = "9"
    & skf18("8","2","1","10","9","9","1") = "9"
    & skf18("8","2","1","10","9","10","1") = "9"
    & skf18("8","2","1","10","10","1","1") = "9"
    & skf18("8","2","1","10","10","2","1") = "9"
    & skf18("8","2","1","10","10","3","1") = "9"
    & skf18("8","2","1","10","10","4","1") = "9"
    & skf18("8","2","1","10","10","5","1") = "9"
    & skf18("8","2","1","10","10","6","1") = "9"
    & skf18("8","2","1","10","10","7","1") = "9"
    & skf18("8","2","1","10","10","8","1") = "9"
    & skf18("8","2","1","10","10","9","1") = "9"
    & skf18("8","2","1","10","10","10","1") = "9"
    & skf18("8","2","2","1","1","1","1") = "7"
    & skf18("8","2","2","1","1","2","1") = "7"
    & skf18("8","2","2","1","1","3","1") = "7"
    & skf18("8","2","2","1","1","4","1") = "7"
    & skf18("8","2","2","1","1","5","1") = "7"
    & skf18("8","2","2","1","1","6","1") = "7"
    & skf18("8","2","2","1","1","7","1") = "7"
    & skf18("8","2","2","1","1","8","1") = "7"
    & skf18("8","2","2","1","1","9","1") = "8"
    & skf18("8","2","2","1","1","10","1") = "9"
    & skf18("8","2","2","1","2","1","1") = "7"
    & skf18("8","2","2","1","2","2","1") = "7"
    & skf18("8","2","2","1","2","3","1") = "7"
    & skf18("8","2","2","1","2","4","1") = "7"
    & skf18("8","2","2","1","2","5","1") = "7"
    & skf18("8","2","2","1","2","6","1") = "7"
    & skf18("8","2","2","1","2","7","1") = "7"
    & skf18("8","2","2","1","2","8","1") = "7"
    & skf18("8","2","2","1","2","9","1") = "8"
    & skf18("8","2","2","1","2","10","1") = "9"
    & skf18("8","2","2","1","3","1","1") = "7"
    & skf18("8","2","2","1","3","2","1") = "7"
    & skf18("8","2","2","1","3","3","1") = "7"
    & skf18("8","2","2","1","3","4","1") = "7"
    & skf18("8","2","2","1","3","5","1") = "7"
    & skf18("8","2","2","1","3","6","1") = "7"
    & skf18("8","2","2","1","3","7","1") = "7"
    & skf18("8","2","2","1","3","8","1") = "7"
    & skf18("8","2","2","1","3","9","1") = "8"
    & skf18("8","2","2","1","3","10","1") = "9"
    & skf18("8","2","2","1","4","1","1") = "7"
    & skf18("8","2","2","1","4","2","1") = "7"
    & skf18("8","2","2","1","4","3","1") = "7"
    & skf18("8","2","2","1","4","4","1") = "7"
    & skf18("8","2","2","1","4","5","1") = "7"
    & skf18("8","2","2","1","4","6","1") = "7"
    & skf18("8","2","2","1","4","7","1") = "7"
    & skf18("8","2","2","1","4","8","1") = "7"
    & skf18("8","2","2","1","4","9","1") = "8"
    & skf18("8","2","2","1","4","10","1") = "9"
    & skf18("8","2","2","1","5","1","1") = "7"
    & skf18("8","2","2","1","5","2","1") = "7"
    & skf18("8","2","2","1","5","3","1") = "7"
    & skf18("8","2","2","1","5","4","1") = "7"
    & skf18("8","2","2","1","5","5","1") = "7"
    & skf18("8","2","2","1","5","6","1") = "7"
    & skf18("8","2","2","1","5","7","1") = "7"
    & skf18("8","2","2","1","5","8","1") = "7"
    & skf18("8","2","2","1","5","9","1") = "8"
    & skf18("8","2","2","1","5","10","1") = "9"
    & skf18("8","2","2","1","6","1","1") = "7"
    & skf18("8","2","2","1","6","2","1") = "7"
    & skf18("8","2","2","1","6","3","1") = "7"
    & skf18("8","2","2","1","6","4","1") = "7"
    & skf18("8","2","2","1","6","5","1") = "7"
    & skf18("8","2","2","1","6","6","1") = "7"
    & skf18("8","2","2","1","6","7","1") = "7"
    & skf18("8","2","2","1","6","8","1") = "7"
    & skf18("8","2","2","1","6","9","1") = "8"
    & skf18("8","2","2","1","6","10","1") = "9"
    & skf18("8","2","2","1","7","1","1") = "7"
    & skf18("8","2","2","1","7","2","1") = "7"
    & skf18("8","2","2","1","7","3","1") = "7"
    & skf18("8","2","2","1","7","4","1") = "7"
    & skf18("8","2","2","1","7","5","1") = "7"
    & skf18("8","2","2","1","7","6","1") = "7"
    & skf18("8","2","2","1","7","7","1") = "7"
    & skf18("8","2","2","1","7","8","1") = "7"
    & skf18("8","2","2","1","7","9","1") = "8"
    & skf18("8","2","2","1","7","10","1") = "9"
    & skf18("8","2","2","1","8","1","1") = "7"
    & skf18("8","2","2","1","8","2","1") = "7"
    & skf18("8","2","2","1","8","3","1") = "7"
    & skf18("8","2","2","1","8","4","1") = "7"
    & skf18("8","2","2","1","8","5","1") = "7"
    & skf18("8","2","2","1","8","6","1") = "7"
    & skf18("8","2","2","1","8","7","1") = "7"
    & skf18("8","2","2","1","8","8","1") = "7"
    & skf18("8","2","2","1","8","9","1") = "8"
    & skf18("8","2","2","1","8","10","1") = "9"
    & skf18("8","2","2","1","9","1","1") = "8"
    & skf18("8","2","2","1","9","2","1") = "8"
    & skf18("8","2","2","1","9","3","1") = "8"
    & skf18("8","2","2","1","9","4","1") = "8"
    & skf18("8","2","2","1","9","5","1") = "8"
    & skf18("8","2","2","1","9","6","1") = "8"
    & skf18("8","2","2","1","9","7","1") = "8"
    & skf18("8","2","2","1","9","8","1") = "8"
    & skf18("8","2","2","1","9","9","1") = "8"
    & skf18("8","2","2","1","9","10","1") = "9"
    & skf18("8","2","2","1","10","1","1") = "9"
    & skf18("8","2","2","1","10","2","1") = "9"
    & skf18("8","2","2","1","10","3","1") = "9"
    & skf18("8","2","2","1","10","4","1") = "9"
    & skf18("8","2","2","1","10","5","1") = "9"
    & skf18("8","2","2","1","10","6","1") = "9"
    & skf18("8","2","2","1","10","7","1") = "9"
    & skf18("8","2","2","1","10","8","1") = "9"
    & skf18("8","2","2","1","10","9","1") = "9"
    & skf18("8","2","2","1","10","10","1") = "9"
    & skf18("8","2","2","2","1","1","1") = "7"
    & skf18("8","2","2","2","1","2","1") = "7"
    & skf18("8","2","2","2","1","3","1") = "7"
    & skf18("8","2","2","2","1","4","1") = "7"
    & skf18("8","2","2","2","1","5","1") = "7"
    & skf18("8","2","2","2","1","6","1") = "7"
    & skf18("8","2","2","2","1","7","1") = "7"
    & skf18("8","2","2","2","1","8","1") = "7"
    & skf18("8","2","2","2","1","9","1") = "8"
    & skf18("8","2","2","2","1","10","1") = "9"
    & skf18("8","2","2","2","2","1","1") = "7"
    & skf18("8","2","2","2","2","2","1") = "7"
    & skf18("8","2","2","2","2","3","1") = "7"
    & skf18("8","2","2","2","2","4","1") = "7"
    & skf18("8","2","2","2","2","5","1") = "7"
    & skf18("8","2","2","2","2","6","1") = "7"
    & skf18("8","2","2","2","2","7","1") = "7"
    & skf18("8","2","2","2","2","8","1") = "7"
    & skf18("8","2","2","2","2","9","1") = "8"
    & skf18("8","2","2","2","2","10","1") = "9"
    & skf18("8","2","2","2","3","1","1") = "7"
    & skf18("8","2","2","2","3","2","1") = "7"
    & skf18("8","2","2","2","3","3","1") = "7"
    & skf18("8","2","2","2","3","4","1") = "7"
    & skf18("8","2","2","2","3","5","1") = "7"
    & skf18("8","2","2","2","3","6","1") = "7"
    & skf18("8","2","2","2","3","7","1") = "7"
    & skf18("8","2","2","2","3","8","1") = "7"
    & skf18("8","2","2","2","3","9","1") = "8"
    & skf18("8","2","2","2","3","10","1") = "9"
    & skf18("8","2","2","2","4","1","1") = "7"
    & skf18("8","2","2","2","4","2","1") = "7"
    & skf18("8","2","2","2","4","3","1") = "7"
    & skf18("8","2","2","2","4","4","1") = "7"
    & skf18("8","2","2","2","4","5","1") = "7"
    & skf18("8","2","2","2","4","6","1") = "7"
    & skf18("8","2","2","2","4","7","1") = "7"
    & skf18("8","2","2","2","4","8","1") = "7"
    & skf18("8","2","2","2","4","9","1") = "8"
    & skf18("8","2","2","2","4","10","1") = "9"
    & skf18("8","2","2","2","5","1","1") = "7"
    & skf18("8","2","2","2","5","2","1") = "7"
    & skf18("8","2","2","2","5","3","1") = "7"
    & skf18("8","2","2","2","5","4","1") = "7"
    & skf18("8","2","2","2","5","5","1") = "7"
    & skf18("8","2","2","2","5","6","1") = "7"
    & skf18("8","2","2","2","5","7","1") = "7"
    & skf18("8","2","2","2","5","8","1") = "7"
    & skf18("8","2","2","2","5","9","1") = "8"
    & skf18("8","2","2","2","5","10","1") = "9"
    & skf18("8","2","2","2","6","1","1") = "7"
    & skf18("8","2","2","2","6","2","1") = "7"
    & skf18("8","2","2","2","6","3","1") = "7"
    & skf18("8","2","2","2","6","4","1") = "7"
    & skf18("8","2","2","2","6","5","1") = "7"
    & skf18("8","2","2","2","6","6","1") = "7"
    & skf18("8","2","2","2","6","7","1") = "7"
    & skf18("8","2","2","2","6","8","1") = "7"
    & skf18("8","2","2","2","6","9","1") = "8"
    & skf18("8","2","2","2","6","10","1") = "9"
    & skf18("8","2","2","2","7","1","1") = "7"
    & skf18("8","2","2","2","7","2","1") = "7"
    & skf18("8","2","2","2","7","3","1") = "7"
    & skf18("8","2","2","2","7","4","1") = "7"
    & skf18("8","2","2","2","7","5","1") = "7"
    & skf18("8","2","2","2","7","6","1") = "7"
    & skf18("8","2","2","2","7","7","1") = "7"
    & skf18("8","2","2","2","7","8","1") = "7"
    & skf18("8","2","2","2","7","9","1") = "8"
    & skf18("8","2","2","2","7","10","1") = "9"
    & skf18("8","2","2","2","8","1","1") = "7"
    & skf18("8","2","2","2","8","2","1") = "7"
    & skf18("8","2","2","2","8","3","1") = "7"
    & skf18("8","2","2","2","8","4","1") = "7"
    & skf18("8","2","2","2","8","5","1") = "7"
    & skf18("8","2","2","2","8","6","1") = "7"
    & skf18("8","2","2","2","8","7","1") = "7"
    & skf18("8","2","2","2","8","8","1") = "7"
    & skf18("8","2","2","2","8","9","1") = "8"
    & skf18("8","2","2","2","8","10","1") = "9"
    & skf18("8","2","2","2","9","1","1") = "8"
    & skf18("8","2","2","2","9","2","1") = "8"
    & skf18("8","2","2","2","9","3","1") = "8"
    & skf18("8","2","2","2","9","4","1") = "8"
    & skf18("8","2","2","2","9","5","1") = "8"
    & skf18("8","2","2","2","9","6","1") = "8"
    & skf18("8","2","2","2","9","7","1") = "8"
    & skf18("8","2","2","2","9","8","1") = "8"
    & skf18("8","2","2","2","9","9","1") = "8"
    & skf18("8","2","2","2","9","10","1") = "9"
    & skf18("8","2","2","2","10","1","1") = "9"
    & skf18("8","2","2","2","10","2","1") = "9"
    & skf18("8","2","2","2","10","3","1") = "9"
    & skf18("8","2","2","2","10","4","1") = "9"
    & skf18("8","2","2","2","10","5","1") = "9"
    & skf18("8","2","2","2","10","6","1") = "9"
    & skf18("8","2","2","2","10","7","1") = "9"
    & skf18("8","2","2","2","10","8","1") = "9"
    & skf18("8","2","2","2","10","9","1") = "9"
    & skf18("8","2","2","2","10","10","1") = "9"
    & skf18("8","2","2","3","1","1","1") = "7"
    & skf18("8","2","2","3","1","2","1") = "7"
    & skf18("8","2","2","3","1","3","1") = "7"
    & skf18("8","2","2","3","1","4","1") = "7"
    & skf18("8","2","2","3","1","5","1") = "7"
    & skf18("8","2","2","3","1","6","1") = "7"
    & skf18("8","2","2","3","1","7","1") = "7"
    & skf18("8","2","2","3","1","8","1") = "7"
    & skf18("8","2","2","3","1","9","1") = "8"
    & skf18("8","2","2","3","1","10","1") = "9"
    & skf18("8","2","2","3","2","1","1") = "7"
    & skf18("8","2","2","3","2","2","1") = "7"
    & skf18("8","2","2","3","2","3","1") = "7"
    & skf18("8","2","2","3","2","4","1") = "7"
    & skf18("8","2","2","3","2","5","1") = "7"
    & skf18("8","2","2","3","2","6","1") = "7"
    & skf18("8","2","2","3","2","7","1") = "7"
    & skf18("8","2","2","3","2","8","1") = "7"
    & skf18("8","2","2","3","2","9","1") = "8"
    & skf18("8","2","2","3","2","10","1") = "9"
    & skf18("8","2","2","3","3","1","1") = "7"
    & skf18("8","2","2","3","3","2","1") = "7"
    & skf18("8","2","2","3","3","3","1") = "7"
    & skf18("8","2","2","3","3","4","1") = "7"
    & skf18("8","2","2","3","3","5","1") = "7"
    & skf18("8","2","2","3","3","6","1") = "7"
    & skf18("8","2","2","3","3","7","1") = "7"
    & skf18("8","2","2","3","3","8","1") = "7"
    & skf18("8","2","2","3","3","9","1") = "8"
    & skf18("8","2","2","3","3","10","1") = "9"
    & skf18("8","2","2","3","4","1","1") = "7"
    & skf18("8","2","2","3","4","2","1") = "7"
    & skf18("8","2","2","3","4","3","1") = "7"
    & skf18("8","2","2","3","4","4","1") = "7"
    & skf18("8","2","2","3","4","5","1") = "7"
    & skf18("8","2","2","3","4","6","1") = "7"
    & skf18("8","2","2","3","4","7","1") = "7"
    & skf18("8","2","2","3","4","8","1") = "7"
    & skf18("8","2","2","3","4","9","1") = "8"
    & skf18("8","2","2","3","4","10","1") = "9"
    & skf18("8","2","2","3","5","1","1") = "7"
    & skf18("8","2","2","3","5","2","1") = "7"
    & skf18("8","2","2","3","5","3","1") = "7"
    & skf18("8","2","2","3","5","4","1") = "7"
    & skf18("8","2","2","3","5","5","1") = "7"
    & skf18("8","2","2","3","5","6","1") = "7"
    & skf18("8","2","2","3","5","7","1") = "7"
    & skf18("8","2","2","3","5","8","1") = "7"
    & skf18("8","2","2","3","5","9","1") = "8"
    & skf18("8","2","2","3","5","10","1") = "9"
    & skf18("8","2","2","3","6","1","1") = "7"
    & skf18("8","2","2","3","6","2","1") = "7"
    & skf18("8","2","2","3","6","3","1") = "7"
    & skf18("8","2","2","3","6","4","1") = "7"
    & skf18("8","2","2","3","6","5","1") = "7"
    & skf18("8","2","2","3","6","6","1") = "7"
    & skf18("8","2","2","3","6","7","1") = "7"
    & skf18("8","2","2","3","6","8","1") = "7"
    & skf18("8","2","2","3","6","9","1") = "8"
    & skf18("8","2","2","3","6","10","1") = "9"
    & skf18("8","2","2","3","7","1","1") = "7"
    & skf18("8","2","2","3","7","2","1") = "7"
    & skf18("8","2","2","3","7","3","1") = "7"
    & skf18("8","2","2","3","7","4","1") = "7"
    & skf18("8","2","2","3","7","5","1") = "7"
    & skf18("8","2","2","3","7","6","1") = "7"
    & skf18("8","2","2","3","7","7","1") = "7"
    & skf18("8","2","2","3","7","8","1") = "7"
    & skf18("8","2","2","3","7","9","1") = "8"
    & skf18("8","2","2","3","7","10","1") = "9"
    & skf18("8","2","2","3","8","1","1") = "7"
    & skf18("8","2","2","3","8","2","1") = "7"
    & skf18("8","2","2","3","8","3","1") = "7"
    & skf18("8","2","2","3","8","4","1") = "7"
    & skf18("8","2","2","3","8","5","1") = "7"
    & skf18("8","2","2","3","8","6","1") = "7"
    & skf18("8","2","2","3","8","7","1") = "7"
    & skf18("8","2","2","3","8","8","1") = "7"
    & skf18("8","2","2","3","8","9","1") = "8"
    & skf18("8","2","2","3","8","10","1") = "9"
    & skf18("8","2","2","3","9","1","1") = "8"
    & skf18("8","2","2","3","9","2","1") = "8"
    & skf18("8","2","2","3","9","3","1") = "8"
    & skf18("8","2","2","3","9","4","1") = "8"
    & skf18("8","2","2","3","9","5","1") = "8"
    & skf18("8","2","2","3","9","6","1") = "8"
    & skf18("8","2","2","3","9","7","1") = "8"
    & skf18("8","2","2","3","9","8","1") = "8"
    & skf18("8","2","2","3","9","9","1") = "8"
    & skf18("8","2","2","3","9","10","1") = "9"
    & skf18("8","2","2","3","10","1","1") = "9"
    & skf18("8","2","2","3","10","2","1") = "9"
    & skf18("8","2","2","3","10","3","1") = "9"
    & skf18("8","2","2","3","10","4","1") = "9"
    & skf18("8","2","2","3","10","5","1") = "9"
    & skf18("8","2","2","3","10","6","1") = "9"
    & skf18("8","2","2","3","10","7","1") = "9"
    & skf18("8","2","2","3","10","8","1") = "9"
    & skf18("8","2","2","3","10","9","1") = "9"
    & skf18("8","2","2","3","10","10","1") = "9"
    & skf18("8","2","2","4","1","1","1") = "7"
    & skf18("8","2","2","4","1","2","1") = "7"
    & skf18("8","2","2","4","1","3","1") = "7"
    & skf18("8","2","2","4","1","4","1") = "7"
    & skf18("8","2","2","4","1","5","1") = "7"
    & skf18("8","2","2","4","1","6","1") = "7"
    & skf18("8","2","2","4","1","7","1") = "7"
    & skf18("8","2","2","4","1","8","1") = "7"
    & skf18("8","2","2","4","1","9","1") = "8"
    & skf18("8","2","2","4","1","10","1") = "9"
    & skf18("8","2","2","4","2","1","1") = "7"
    & skf18("8","2","2","4","2","2","1") = "7"
    & skf18("8","2","2","4","2","3","1") = "7"
    & skf18("8","2","2","4","2","4","1") = "7"
    & skf18("8","2","2","4","2","5","1") = "7"
    & skf18("8","2","2","4","2","6","1") = "7"
    & skf18("8","2","2","4","2","7","1") = "7"
    & skf18("8","2","2","4","2","8","1") = "7"
    & skf18("8","2","2","4","2","9","1") = "8"
    & skf18("8","2","2","4","2","10","1") = "9"
    & skf18("8","2","2","4","3","1","1") = "7"
    & skf18("8","2","2","4","3","2","1") = "7"
    & skf18("8","2","2","4","3","3","1") = "7"
    & skf18("8","2","2","4","3","4","1") = "7"
    & skf18("8","2","2","4","3","5","1") = "7"
    & skf18("8","2","2","4","3","6","1") = "7"
    & skf18("8","2","2","4","3","7","1") = "7"
    & skf18("8","2","2","4","3","8","1") = "7"
    & skf18("8","2","2","4","3","9","1") = "8"
    & skf18("8","2","2","4","3","10","1") = "9"
    & skf18("8","2","2","4","4","1","1") = "7"
    & skf18("8","2","2","4","4","2","1") = "7"
    & skf18("8","2","2","4","4","3","1") = "7"
    & skf18("8","2","2","4","4","4","1") = "7"
    & skf18("8","2","2","4","4","5","1") = "7"
    & skf18("8","2","2","4","4","6","1") = "7"
    & skf18("8","2","2","4","4","7","1") = "7"
    & skf18("8","2","2","4","4","8","1") = "7"
    & skf18("8","2","2","4","4","9","1") = "8"
    & skf18("8","2","2","4","4","10","1") = "9"
    & skf18("8","2","2","4","5","1","1") = "7"
    & skf18("8","2","2","4","5","2","1") = "7"
    & skf18("8","2","2","4","5","3","1") = "7"
    & skf18("8","2","2","4","5","4","1") = "7"
    & skf18("8","2","2","4","5","5","1") = "7"
    & skf18("8","2","2","4","5","6","1") = "7"
    & skf18("8","2","2","4","5","7","1") = "7"
    & skf18("8","2","2","4","5","8","1") = "7"
    & skf18("8","2","2","4","5","9","1") = "8"
    & skf18("8","2","2","4","5","10","1") = "9"
    & skf18("8","2","2","4","6","1","1") = "7"
    & skf18("8","2","2","4","6","2","1") = "7"
    & skf18("8","2","2","4","6","3","1") = "7"
    & skf18("8","2","2","4","6","4","1") = "7"
    & skf18("8","2","2","4","6","5","1") = "7"
    & skf18("8","2","2","4","6","6","1") = "7"
    & skf18("8","2","2","4","6","7","1") = "7"
    & skf18("8","2","2","4","6","8","1") = "7"
    & skf18("8","2","2","4","6","9","1") = "8"
    & skf18("8","2","2","4","6","10","1") = "9"
    & skf18("8","2","2","4","7","1","1") = "7"
    & skf18("8","2","2","4","7","2","1") = "7"
    & skf18("8","2","2","4","7","3","1") = "7"
    & skf18("8","2","2","4","7","4","1") = "7"
    & skf18("8","2","2","4","7","5","1") = "7"
    & skf18("8","2","2","4","7","6","1") = "7"
    & skf18("8","2","2","4","7","7","1") = "7"
    & skf18("8","2","2","4","7","8","1") = "7"
    & skf18("8","2","2","4","7","9","1") = "8"
    & skf18("8","2","2","4","7","10","1") = "9"
    & skf18("8","2","2","4","8","1","1") = "7"
    & skf18("8","2","2","4","8","2","1") = "7"
    & skf18("8","2","2","4","8","3","1") = "7"
    & skf18("8","2","2","4","8","4","1") = "7"
    & skf18("8","2","2","4","8","5","1") = "7"
    & skf18("8","2","2","4","8","6","1") = "7"
    & skf18("8","2","2","4","8","7","1") = "7"
    & skf18("8","2","2","4","8","8","1") = "7"
    & skf18("8","2","2","4","8","9","1") = "8"
    & skf18("8","2","2","4","8","10","1") = "9"
    & skf18("8","2","2","4","9","1","1") = "8"
    & skf18("8","2","2","4","9","2","1") = "8"
    & skf18("8","2","2","4","9","3","1") = "8"
    & skf18("8","2","2","4","9","4","1") = "8"
    & skf18("8","2","2","4","9","5","1") = "8"
    & skf18("8","2","2","4","9","6","1") = "8"
    & skf18("8","2","2","4","9","7","1") = "8"
    & skf18("8","2","2","4","9","8","1") = "8"
    & skf18("8","2","2","4","9","9","1") = "8"
    & skf18("8","2","2","4","9","10","1") = "9"
    & skf18("8","2","2","4","10","1","1") = "9"
    & skf18("8","2","2","4","10","2","1") = "9"
    & skf18("8","2","2","4","10","3","1") = "9"
    & skf18("8","2","2","4","10","4","1") = "9"
    & skf18("8","2","2","4","10","5","1") = "9"
    & skf18("8","2","2","4","10","6","1") = "9"
    & skf18("8","2","2","4","10","7","1") = "9"
    & skf18("8","2","2","4","10","8","1") = "9"
    & skf18("8","2","2","4","10","9","1") = "9"
    & skf18("8","2","2","4","10","10","1") = "9"
    & skf18("8","2","2","5","1","1","1") = "7"
    & skf18("8","2","2","5","1","2","1") = "7"
    & skf18("8","2","2","5","1","3","1") = "7"
    & skf18("8","2","2","5","1","4","1") = "7"
    & skf18("8","2","2","5","1","5","1") = "7"
    & skf18("8","2","2","5","1","6","1") = "7"
    & skf18("8","2","2","5","1","7","1") = "7"
    & skf18("8","2","2","5","1","8","1") = "7"
    & skf18("8","2","2","5","1","9","1") = "8"
    & skf18("8","2","2","5","1","10","1") = "9"
    & skf18("8","2","2","5","2","1","1") = "7"
    & skf18("8","2","2","5","2","2","1") = "7"
    & skf18("8","2","2","5","2","3","1") = "7"
    & skf18("8","2","2","5","2","4","1") = "7"
    & skf18("8","2","2","5","2","5","1") = "7"
    & skf18("8","2","2","5","2","6","1") = "7"
    & skf18("8","2","2","5","2","7","1") = "7"
    & skf18("8","2","2","5","2","8","1") = "7"
    & skf18("8","2","2","5","2","9","1") = "8"
    & skf18("8","2","2","5","2","10","1") = "9"
    & skf18("8","2","2","5","3","1","1") = "7"
    & skf18("8","2","2","5","3","2","1") = "7"
    & skf18("8","2","2","5","3","3","1") = "7"
    & skf18("8","2","2","5","3","4","1") = "7"
    & skf18("8","2","2","5","3","5","1") = "7"
    & skf18("8","2","2","5","3","6","1") = "7"
    & skf18("8","2","2","5","3","7","1") = "7"
    & skf18("8","2","2","5","3","8","1") = "7"
    & skf18("8","2","2","5","3","9","1") = "8"
    & skf18("8","2","2","5","3","10","1") = "9"
    & skf18("8","2","2","5","4","1","1") = "7"
    & skf18("8","2","2","5","4","2","1") = "7"
    & skf18("8","2","2","5","4","3","1") = "7"
    & skf18("8","2","2","5","4","4","1") = "7"
    & skf18("8","2","2","5","4","5","1") = "7"
    & skf18("8","2","2","5","4","6","1") = "7"
    & skf18("8","2","2","5","4","7","1") = "7"
    & skf18("8","2","2","5","4","8","1") = "7"
    & skf18("8","2","2","5","4","9","1") = "8"
    & skf18("8","2","2","5","4","10","1") = "9"
    & skf18("8","2","2","5","5","1","1") = "7"
    & skf18("8","2","2","5","5","2","1") = "7"
    & skf18("8","2","2","5","5","3","1") = "7"
    & skf18("8","2","2","5","5","4","1") = "7"
    & skf18("8","2","2","5","5","5","1") = "7"
    & skf18("8","2","2","5","5","6","1") = "7"
    & skf18("8","2","2","5","5","7","1") = "7"
    & skf18("8","2","2","5","5","8","1") = "7"
    & skf18("8","2","2","5","5","9","1") = "8"
    & skf18("8","2","2","5","5","10","1") = "9"
    & skf18("8","2","2","5","6","1","1") = "7"
    & skf18("8","2","2","5","6","2","1") = "7"
    & skf18("8","2","2","5","6","3","1") = "7"
    & skf18("8","2","2","5","6","4","1") = "7"
    & skf18("8","2","2","5","6","5","1") = "7"
    & skf18("8","2","2","5","6","6","1") = "7"
    & skf18("8","2","2","5","6","7","1") = "7"
    & skf18("8","2","2","5","6","8","1") = "7"
    & skf18("8","2","2","5","6","9","1") = "8"
    & skf18("8","2","2","5","6","10","1") = "9"
    & skf18("8","2","2","5","7","1","1") = "7"
    & skf18("8","2","2","5","7","2","1") = "7"
    & skf18("8","2","2","5","7","3","1") = "7"
    & skf18("8","2","2","5","7","4","1") = "7"
    & skf18("8","2","2","5","7","5","1") = "7"
    & skf18("8","2","2","5","7","6","1") = "7"
    & skf18("8","2","2","5","7","7","1") = "7"
    & skf18("8","2","2","5","7","8","1") = "7"
    & skf18("8","2","2","5","7","9","1") = "8"
    & skf18("8","2","2","5","7","10","1") = "9"
    & skf18("8","2","2","5","8","1","1") = "7"
    & skf18("8","2","2","5","8","2","1") = "7"
    & skf18("8","2","2","5","8","3","1") = "7"
    & skf18("8","2","2","5","8","4","1") = "7"
    & skf18("8","2","2","5","8","5","1") = "7"
    & skf18("8","2","2","5","8","6","1") = "7"
    & skf18("8","2","2","5","8","7","1") = "7"
    & skf18("8","2","2","5","8","8","1") = "7"
    & skf18("8","2","2","5","8","9","1") = "8"
    & skf18("8","2","2","5","8","10","1") = "9"
    & skf18("8","2","2","5","9","1","1") = "8"
    & skf18("8","2","2","5","9","2","1") = "8"
    & skf18("8","2","2","5","9","3","1") = "8"
    & skf18("8","2","2","5","9","4","1") = "8"
    & skf18("8","2","2","5","9","5","1") = "8"
    & skf18("8","2","2","5","9","6","1") = "8"
    & skf18("8","2","2","5","9","7","1") = "8"
    & skf18("8","2","2","5","9","8","1") = "8"
    & skf18("8","2","2","5","9","9","1") = "8"
    & skf18("8","2","2","5","9","10","1") = "9"
    & skf18("8","2","2","5","10","1","1") = "9"
    & skf18("8","2","2","5","10","2","1") = "9"
    & skf18("8","2","2","5","10","3","1") = "9"
    & skf18("8","2","2","5","10","4","1") = "9"
    & skf18("8","2","2","5","10","5","1") = "9"
    & skf18("8","2","2","5","10","6","1") = "9"
    & skf18("8","2","2","5","10","7","1") = "9"
    & skf18("8","2","2","5","10","8","1") = "9"
    & skf18("8","2","2","5","10","9","1") = "9"
    & skf18("8","2","2","5","10","10","1") = "9"
    & skf18("8","2","2","6","1","1","1") = "7"
    & skf18("8","2","2","6","1","2","1") = "7"
    & skf18("8","2","2","6","1","3","1") = "7"
    & skf18("8","2","2","6","1","4","1") = "7"
    & skf18("8","2","2","6","1","5","1") = "7"
    & skf18("8","2","2","6","1","6","1") = "7"
    & skf18("8","2","2","6","1","7","1") = "7"
    & skf18("8","2","2","6","1","8","1") = "7"
    & skf18("8","2","2","6","1","9","1") = "8"
    & skf18("8","2","2","6","1","10","1") = "9"
    & skf18("8","2","2","6","2","1","1") = "7"
    & skf18("8","2","2","6","2","2","1") = "7"
    & skf18("8","2","2","6","2","3","1") = "7"
    & skf18("8","2","2","6","2","4","1") = "7"
    & skf18("8","2","2","6","2","5","1") = "7"
    & skf18("8","2","2","6","2","6","1") = "7"
    & skf18("8","2","2","6","2","7","1") = "7"
    & skf18("8","2","2","6","2","8","1") = "7"
    & skf18("8","2","2","6","2","9","1") = "8"
    & skf18("8","2","2","6","2","10","1") = "9"
    & skf18("8","2","2","6","3","1","1") = "7"
    & skf18("8","2","2","6","3","2","1") = "7"
    & skf18("8","2","2","6","3","3","1") = "7"
    & skf18("8","2","2","6","3","4","1") = "7"
    & skf18("8","2","2","6","3","5","1") = "7"
    & skf18("8","2","2","6","3","6","1") = "7"
    & skf18("8","2","2","6","3","7","1") = "7"
    & skf18("8","2","2","6","3","8","1") = "7"
    & skf18("8","2","2","6","3","9","1") = "8"
    & skf18("8","2","2","6","3","10","1") = "9"
    & skf18("8","2","2","6","4","1","1") = "7"
    & skf18("8","2","2","6","4","2","1") = "7"
    & skf18("8","2","2","6","4","3","1") = "7"
    & skf18("8","2","2","6","4","4","1") = "7"
    & skf18("8","2","2","6","4","5","1") = "7"
    & skf18("8","2","2","6","4","6","1") = "7"
    & skf18("8","2","2","6","4","7","1") = "7"
    & skf18("8","2","2","6","4","8","1") = "7"
    & skf18("8","2","2","6","4","9","1") = "8"
    & skf18("8","2","2","6","4","10","1") = "9"
    & skf18("8","2","2","6","5","1","1") = "7"
    & skf18("8","2","2","6","5","2","1") = "7"
    & skf18("8","2","2","6","5","3","1") = "7"
    & skf18("8","2","2","6","5","4","1") = "7"
    & skf18("8","2","2","6","5","5","1") = "7"
    & skf18("8","2","2","6","5","6","1") = "7"
    & skf18("8","2","2","6","5","7","1") = "7"
    & skf18("8","2","2","6","5","8","1") = "7"
    & skf18("8","2","2","6","5","9","1") = "8"
    & skf18("8","2","2","6","5","10","1") = "9"
    & skf18("8","2","2","6","6","1","1") = "7"
    & skf18("8","2","2","6","6","2","1") = "7"
    & skf18("8","2","2","6","6","3","1") = "7"
    & skf18("8","2","2","6","6","4","1") = "7"
    & skf18("8","2","2","6","6","5","1") = "7"
    & skf18("8","2","2","6","6","6","1") = "7"
    & skf18("8","2","2","6","6","7","1") = "7"
    & skf18("8","2","2","6","6","8","1") = "7"
    & skf18("8","2","2","6","6","9","1") = "8"
    & skf18("8","2","2","6","6","10","1") = "9"
    & skf18("8","2","2","6","7","1","1") = "7"
    & skf18("8","2","2","6","7","2","1") = "7"
    & skf18("8","2","2","6","7","3","1") = "7"
    & skf18("8","2","2","6","7","4","1") = "7"
    & skf18("8","2","2","6","7","5","1") = "7"
    & skf18("8","2","2","6","7","6","1") = "7"
    & skf18("8","2","2","6","7","7","1") = "7"
    & skf18("8","2","2","6","7","8","1") = "7"
    & skf18("8","2","2","6","7","9","1") = "8"
    & skf18("8","2","2","6","7","10","1") = "9"
    & skf18("8","2","2","6","8","1","1") = "7"
    & skf18("8","2","2","6","8","2","1") = "7"
    & skf18("8","2","2","6","8","3","1") = "7"
    & skf18("8","2","2","6","8","4","1") = "7"
    & skf18("8","2","2","6","8","5","1") = "7"
    & skf18("8","2","2","6","8","6","1") = "7"
    & skf18("8","2","2","6","8","7","1") = "7"
    & skf18("8","2","2","6","8","8","1") = "7"
    & skf18("8","2","2","6","8","9","1") = "8"
    & skf18("8","2","2","6","8","10","1") = "9"
    & skf18("8","2","2","6","9","1","1") = "8"
    & skf18("8","2","2","6","9","2","1") = "8"
    & skf18("8","2","2","6","9","3","1") = "8"
    & skf18("8","2","2","6","9","4","1") = "8"
    & skf18("8","2","2","6","9","5","1") = "8"
    & skf18("8","2","2","6","9","6","1") = "8"
    & skf18("8","2","2","6","9","7","1") = "8"
    & skf18("8","2","2","6","9","8","1") = "8"
    & skf18("8","2","2","6","9","9","1") = "8"
    & skf18("8","2","2","6","9","10","1") = "9"
    & skf18("8","2","2","6","10","1","1") = "9"
    & skf18("8","2","2","6","10","2","1") = "9"
    & skf18("8","2","2","6","10","3","1") = "9"
    & skf18("8","2","2","6","10","4","1") = "9"
    & skf18("8","2","2","6","10","5","1") = "9"
    & skf18("8","2","2","6","10","6","1") = "9"
    & skf18("8","2","2","6","10","7","1") = "9"
    & skf18("8","2","2","6","10","8","1") = "9"
    & skf18("8","2","2","6","10","9","1") = "9"
    & skf18("8","2","2","6","10","10","1") = "9"
    & skf18("8","2","2","7","1","1","1") = "7"
    & skf18("8","2","2","7","1","2","1") = "7"
    & skf18("8","2","2","7","1","3","1") = "7"
    & skf18("8","2","2","7","1","4","1") = "7"
    & skf18("8","2","2","7","1","5","1") = "7"
    & skf18("8","2","2","7","1","6","1") = "7"
    & skf18("8","2","2","7","1","7","1") = "7"
    & skf18("8","2","2","7","1","8","1") = "7"
    & skf18("8","2","2","7","1","9","1") = "8"
    & skf18("8","2","2","7","1","10","1") = "9"
    & skf18("8","2","2","7","2","1","1") = "7"
    & skf18("8","2","2","7","2","2","1") = "7"
    & skf18("8","2","2","7","2","3","1") = "7"
    & skf18("8","2","2","7","2","4","1") = "7"
    & skf18("8","2","2","7","2","5","1") = "7"
    & skf18("8","2","2","7","2","6","1") = "7"
    & skf18("8","2","2","7","2","7","1") = "7"
    & skf18("8","2","2","7","2","8","1") = "7"
    & skf18("8","2","2","7","2","9","1") = "8"
    & skf18("8","2","2","7","2","10","1") = "9"
    & skf18("8","2","2","7","3","1","1") = "7"
    & skf18("8","2","2","7","3","2","1") = "7"
    & skf18("8","2","2","7","3","3","1") = "7"
    & skf18("8","2","2","7","3","4","1") = "7"
    & skf18("8","2","2","7","3","5","1") = "7"
    & skf18("8","2","2","7","3","6","1") = "7"
    & skf18("8","2","2","7","3","7","1") = "7"
    & skf18("8","2","2","7","3","8","1") = "7"
    & skf18("8","2","2","7","3","9","1") = "8"
    & skf18("8","2","2","7","3","10","1") = "9"
    & skf18("8","2","2","7","4","1","1") = "7"
    & skf18("8","2","2","7","4","2","1") = "7"
    & skf18("8","2","2","7","4","3","1") = "7"
    & skf18("8","2","2","7","4","4","1") = "7"
    & skf18("8","2","2","7","4","5","1") = "7"
    & skf18("8","2","2","7","4","6","1") = "7"
    & skf18("8","2","2","7","4","7","1") = "7"
    & skf18("8","2","2","7","4","8","1") = "7"
    & skf18("8","2","2","7","4","9","1") = "8"
    & skf18("8","2","2","7","4","10","1") = "9"
    & skf18("8","2","2","7","5","1","1") = "7"
    & skf18("8","2","2","7","5","2","1") = "7"
    & skf18("8","2","2","7","5","3","1") = "7"
    & skf18("8","2","2","7","5","4","1") = "7"
    & skf18("8","2","2","7","5","5","1") = "7"
    & skf18("8","2","2","7","5","6","1") = "7"
    & skf18("8","2","2","7","5","7","1") = "7"
    & skf18("8","2","2","7","5","8","1") = "7"
    & skf18("8","2","2","7","5","9","1") = "8"
    & skf18("8","2","2","7","5","10","1") = "9"
    & skf18("8","2","2","7","6","1","1") = "7"
    & skf18("8","2","2","7","6","2","1") = "7"
    & skf18("8","2","2","7","6","3","1") = "7"
    & skf18("8","2","2","7","6","4","1") = "7"
    & skf18("8","2","2","7","6","5","1") = "7"
    & skf18("8","2","2","7","6","6","1") = "7"
    & skf18("8","2","2","7","6","7","1") = "7"
    & skf18("8","2","2","7","6","8","1") = "7"
    & skf18("8","2","2","7","6","9","1") = "8"
    & skf18("8","2","2","7","6","10","1") = "9"
    & skf18("8","2","2","7","7","1","1") = "7"
    & skf18("8","2","2","7","7","2","1") = "7"
    & skf18("8","2","2","7","7","3","1") = "7"
    & skf18("8","2","2","7","7","4","1") = "7"
    & skf18("8","2","2","7","7","5","1") = "7"
    & skf18("8","2","2","7","7","6","1") = "7"
    & skf18("8","2","2","7","7","7","1") = "7"
    & skf18("8","2","2","7","7","8","1") = "7"
    & skf18("8","2","2","7","7","9","1") = "8"
    & skf18("8","2","2","7","7","10","1") = "9"
    & skf18("8","2","2","7","8","1","1") = "7"
    & skf18("8","2","2","7","8","2","1") = "7"
    & skf18("8","2","2","7","8","3","1") = "7"
    & skf18("8","2","2","7","8","4","1") = "7"
    & skf18("8","2","2","7","8","5","1") = "7"
    & skf18("8","2","2","7","8","6","1") = "7"
    & skf18("8","2","2","7","8","7","1") = "7"
    & skf18("8","2","2","7","8","8","1") = "7"
    & skf18("8","2","2","7","8","9","1") = "8"
    & skf18("8","2","2","7","8","10","1") = "9"
    & skf18("8","2","2","7","9","1","1") = "8"
    & skf18("8","2","2","7","9","2","1") = "8"
    & skf18("8","2","2","7","9","3","1") = "8"
    & skf18("8","2","2","7","9","4","1") = "8"
    & skf18("8","2","2","7","9","5","1") = "8"
    & skf18("8","2","2","7","9","6","1") = "8"
    & skf18("8","2","2","7","9","7","1") = "8"
    & skf18("8","2","2","7","9","8","1") = "8"
    & skf18("8","2","2","7","9","9","1") = "8"
    & skf18("8","2","2","7","9","10","1") = "9"
    & skf18("8","2","2","7","10","1","1") = "9"
    & skf18("8","2","2","7","10","2","1") = "9"
    & skf18("8","2","2","7","10","3","1") = "9"
    & skf18("8","2","2","7","10","4","1") = "9"
    & skf18("8","2","2","7","10","5","1") = "9"
    & skf18("8","2","2","7","10","6","1") = "9"
    & skf18("8","2","2","7","10","7","1") = "9"
    & skf18("8","2","2","7","10","8","1") = "9"
    & skf18("8","2","2","7","10","9","1") = "9"
    & skf18("8","2","2","7","10","10","1") = "9"
    & skf18("8","2","2","8","1","1","1") = "7"
    & skf18("8","2","2","8","1","2","1") = "7"
    & skf18("8","2","2","8","1","3","1") = "7"
    & skf18("8","2","2","8","1","4","1") = "7"
    & skf18("8","2","2","8","1","5","1") = "7"
    & skf18("8","2","2","8","1","6","1") = "7"
    & skf18("8","2","2","8","1","7","1") = "7"
    & skf18("8","2","2","8","1","8","1") = "7"
    & skf18("8","2","2","8","1","9","1") = "8"
    & skf18("8","2","2","8","1","10","1") = "9"
    & skf18("8","2","2","8","2","1","1") = "7"
    & skf18("8","2","2","8","2","2","1") = "7"
    & skf18("8","2","2","8","2","3","1") = "7"
    & skf18("8","2","2","8","2","4","1") = "7"
    & skf18("8","2","2","8","2","5","1") = "7"
    & skf18("8","2","2","8","2","6","1") = "7"
    & skf18("8","2","2","8","2","7","1") = "7"
    & skf18("8","2","2","8","2","8","1") = "7"
    & skf18("8","2","2","8","2","9","1") = "8"
    & skf18("8","2","2","8","2","10","1") = "9"
    & skf18("8","2","2","8","3","1","1") = "7"
    & skf18("8","2","2","8","3","2","1") = "7"
    & skf18("8","2","2","8","3","3","1") = "7"
    & skf18("8","2","2","8","3","4","1") = "7"
    & skf18("8","2","2","8","3","5","1") = "7"
    & skf18("8","2","2","8","3","6","1") = "7"
    & skf18("8","2","2","8","3","7","1") = "7"
    & skf18("8","2","2","8","3","8","1") = "7"
    & skf18("8","2","2","8","3","9","1") = "8"
    & skf18("8","2","2","8","3","10","1") = "9"
    & skf18("8","2","2","8","4","1","1") = "7"
    & skf18("8","2","2","8","4","2","1") = "7"
    & skf18("8","2","2","8","4","3","1") = "7"
    & skf18("8","2","2","8","4","4","1") = "7"
    & skf18("8","2","2","8","4","5","1") = "7"
    & skf18("8","2","2","8","4","6","1") = "7"
    & skf18("8","2","2","8","4","7","1") = "7"
    & skf18("8","2","2","8","4","8","1") = "7"
    & skf18("8","2","2","8","4","9","1") = "8"
    & skf18("8","2","2","8","4","10","1") = "9"
    & skf18("8","2","2","8","5","1","1") = "7"
    & skf18("8","2","2","8","5","2","1") = "7"
    & skf18("8","2","2","8","5","3","1") = "7"
    & skf18("8","2","2","8","5","4","1") = "7"
    & skf18("8","2","2","8","5","5","1") = "7"
    & skf18("8","2","2","8","5","6","1") = "7"
    & skf18("8","2","2","8","5","7","1") = "7"
    & skf18("8","2","2","8","5","8","1") = "7"
    & skf18("8","2","2","8","5","9","1") = "8"
    & skf18("8","2","2","8","5","10","1") = "9"
    & skf18("8","2","2","8","6","1","1") = "7"
    & skf18("8","2","2","8","6","2","1") = "7"
    & skf18("8","2","2","8","6","3","1") = "7"
    & skf18("8","2","2","8","6","4","1") = "7"
    & skf18("8","2","2","8","6","5","1") = "7"
    & skf18("8","2","2","8","6","6","1") = "7"
    & skf18("8","2","2","8","6","7","1") = "7"
    & skf18("8","2","2","8","6","8","1") = "7"
    & skf18("8","2","2","8","6","9","1") = "8"
    & skf18("8","2","2","8","6","10","1") = "9"
    & skf18("8","2","2","8","7","1","1") = "7"
    & skf18("8","2","2","8","7","2","1") = "7"
    & skf18("8","2","2","8","7","3","1") = "7"
    & skf18("8","2","2","8","7","4","1") = "7"
    & skf18("8","2","2","8","7","5","1") = "7"
    & skf18("8","2","2","8","7","6","1") = "7"
    & skf18("8","2","2","8","7","7","1") = "7"
    & skf18("8","2","2","8","7","8","1") = "7"
    & skf18("8","2","2","8","7","9","1") = "8"
    & skf18("8","2","2","8","7","10","1") = "9"
    & skf18("8","2","2","8","8","1","1") = "7"
    & skf18("8","2","2","8","8","2","1") = "7"
    & skf18("8","2","2","8","8","3","1") = "7"
    & skf18("8","2","2","8","8","4","1") = "7"
    & skf18("8","2","2","8","8","5","1") = "7"
    & skf18("8","2","2","8","8","6","1") = "7"
    & skf18("8","2","2","8","8","7","1") = "7"
    & skf18("8","2","2","8","8","8","1") = "7"
    & skf18("8","2","2","8","8","9","1") = "8"
    & skf18("8","2","2","8","8","10","1") = "9"
    & skf18("8","2","2","8","9","1","1") = "8"
    & skf18("8","2","2","8","9","2","1") = "8"
    & skf18("8","2","2","8","9","3","1") = "8"
    & skf18("8","2","2","8","9","4","1") = "8"
    & skf18("8","2","2","8","9","5","1") = "8"
    & skf18("8","2","2","8","9","6","1") = "8"
    & skf18("8","2","2","8","9","7","1") = "8"
    & skf18("8","2","2","8","9","8","1") = "8"
    & skf18("8","2","2","8","9","9","1") = "8"
    & skf18("8","2","2","8","9","10","1") = "9"
    & skf18("8","2","2","8","10","1","1") = "9"
    & skf18("8","2","2","8","10","2","1") = "9"
    & skf18("8","2","2","8","10","3","1") = "9"
    & skf18("8","2","2","8","10","4","1") = "9"
    & skf18("8","2","2","8","10","5","1") = "9"
    & skf18("8","2","2","8","10","6","1") = "9"
    & skf18("8","2","2","8","10","7","1") = "9"
    & skf18("8","2","2","8","10","8","1") = "9"
    & skf18("8","2","2","8","10","9","1") = "9"
    & skf18("8","2","2","8","10","10","1") = "9"
    & skf18("8","2","2","9","1","1","1") = "8"
    & skf18("8","2","2","9","1","2","1") = "8"
    & skf18("8","2","2","9","1","3","1") = "8"
    & skf18("8","2","2","9","1","4","1") = "8"
    & skf18("8","2","2","9","1","5","1") = "8"
    & skf18("8","2","2","9","1","6","1") = "8"
    & skf18("8","2","2","9","1","7","1") = "8"
    & skf18("8","2","2","9","1","8","1") = "8"
    & skf18("8","2","2","9","1","9","1") = "8"
    & skf18("8","2","2","9","1","10","1") = "9"
    & skf18("8","2","2","9","2","1","1") = "8"
    & skf18("8","2","2","9","2","2","1") = "8"
    & skf18("8","2","2","9","2","3","1") = "8"
    & skf18("8","2","2","9","2","4","1") = "8"
    & skf18("8","2","2","9","2","5","1") = "8"
    & skf18("8","2","2","9","2","6","1") = "8"
    & skf18("8","2","2","9","2","7","1") = "8"
    & skf18("8","2","2","9","2","8","1") = "8"
    & skf18("8","2","2","9","2","9","1") = "8"
    & skf18("8","2","2","9","2","10","1") = "9"
    & skf18("8","2","2","9","3","1","1") = "8"
    & skf18("8","2","2","9","3","2","1") = "8"
    & skf18("8","2","2","9","3","3","1") = "8"
    & skf18("8","2","2","9","3","4","1") = "8"
    & skf18("8","2","2","9","3","5","1") = "8"
    & skf18("8","2","2","9","3","6","1") = "8"
    & skf18("8","2","2","9","3","7","1") = "8"
    & skf18("8","2","2","9","3","8","1") = "8"
    & skf18("8","2","2","9","3","9","1") = "8"
    & skf18("8","2","2","9","3","10","1") = "9"
    & skf18("8","2","2","9","4","1","1") = "8"
    & skf18("8","2","2","9","4","2","1") = "8"
    & skf18("8","2","2","9","4","3","1") = "8"
    & skf18("8","2","2","9","4","4","1") = "8"
    & skf18("8","2","2","9","4","5","1") = "8"
    & skf18("8","2","2","9","4","6","1") = "8"
    & skf18("8","2","2","9","4","7","1") = "8"
    & skf18("8","2","2","9","4","8","1") = "8"
    & skf18("8","2","2","9","4","9","1") = "8"
    & skf18("8","2","2","9","4","10","1") = "9"
    & skf18("8","2","2","9","5","1","1") = "8"
    & skf18("8","2","2","9","5","2","1") = "8"
    & skf18("8","2","2","9","5","3","1") = "8"
    & skf18("8","2","2","9","5","4","1") = "8"
    & skf18("8","2","2","9","5","5","1") = "8"
    & skf18("8","2","2","9","5","6","1") = "8"
    & skf18("8","2","2","9","5","7","1") = "8"
    & skf18("8","2","2","9","5","8","1") = "8"
    & skf18("8","2","2","9","5","9","1") = "8"
    & skf18("8","2","2","9","5","10","1") = "9"
    & skf18("8","2","2","9","6","1","1") = "8"
    & skf18("8","2","2","9","6","2","1") = "8"
    & skf18("8","2","2","9","6","3","1") = "8"
    & skf18("8","2","2","9","6","4","1") = "8"
    & skf18("8","2","2","9","6","5","1") = "8"
    & skf18("8","2","2","9","6","6","1") = "8"
    & skf18("8","2","2","9","6","7","1") = "8"
    & skf18("8","2","2","9","6","8","1") = "8"
    & skf18("8","2","2","9","6","9","1") = "8"
    & skf18("8","2","2","9","6","10","1") = "9"
    & skf18("8","2","2","9","7","1","1") = "8"
    & skf18("8","2","2","9","7","2","1") = "8"
    & skf18("8","2","2","9","7","3","1") = "8"
    & skf18("8","2","2","9","7","4","1") = "8"
    & skf18("8","2","2","9","7","5","1") = "8"
    & skf18("8","2","2","9","7","6","1") = "8"
    & skf18("8","2","2","9","7","7","1") = "8"
    & skf18("8","2","2","9","7","8","1") = "8"
    & skf18("8","2","2","9","7","9","1") = "8"
    & skf18("8","2","2","9","7","10","1") = "9"
    & skf18("8","2","2","9","8","1","1") = "8"
    & skf18("8","2","2","9","8","2","1") = "8"
    & skf18("8","2","2","9","8","3","1") = "8"
    & skf18("8","2","2","9","8","4","1") = "8"
    & skf18("8","2","2","9","8","5","1") = "8"
    & skf18("8","2","2","9","8","6","1") = "8"
    & skf18("8","2","2","9","8","7","1") = "8"
    & skf18("8","2","2","9","8","8","1") = "8"
    & skf18("8","2","2","9","8","9","1") = "8"
    & skf18("8","2","2","9","8","10","1") = "9"
    & skf18("8","2","2","9","9","1","1") = "8"
    & skf18("8","2","2","9","9","2","1") = "8"
    & skf18("8","2","2","9","9","3","1") = "8"
    & skf18("8","2","2","9","9","4","1") = "8"
    & skf18("8","2","2","9","9","5","1") = "8"
    & skf18("8","2","2","9","9","6","1") = "8"
    & skf18("8","2","2","9","9","7","1") = "8"
    & skf18("8","2","2","9","9","8","1") = "8"
    & skf18("8","2","2","9","9","9","1") = "8"
    & skf18("8","2","2","9","9","10","1") = "9"
    & skf18("8","2","2","9","10","1","1") = "9"
    & skf18("8","2","2","9","10","2","1") = "9"
    & skf18("8","2","2","9","10","3","1") = "9"
    & skf18("8","2","2","9","10","4","1") = "9"
    & skf18("8","2","2","9","10","5","1") = "9"
    & skf18("8","2","2","9","10","6","1") = "9"
    & skf18("8","2","2","9","10","7","1") = "9"
    & skf18("8","2","2","9","10","8","1") = "9"
    & skf18("8","2","2","9","10","9","1") = "9"
    & skf18("8","2","2","9","10","10","1") = "9"
    & skf18("8","2","2","10","1","1","1") = "9"
    & skf18("8","2","2","10","1","2","1") = "9"
    & skf18("8","2","2","10","1","3","1") = "9"
    & skf18("8","2","2","10","1","4","1") = "9"
    & skf18("8","2","2","10","1","5","1") = "9"
    & skf18("8","2","2","10","1","6","1") = "9"
    & skf18("8","2","2","10","1","7","1") = "9"
    & skf18("8","2","2","10","1","8","1") = "9"
    & skf18("8","2","2","10","1","9","1") = "9"
    & skf18("8","2","2","10","1","10","1") = "9"
    & skf18("8","2","2","10","2","1","1") = "9"
    & skf18("8","2","2","10","2","2","1") = "9"
    & skf18("8","2","2","10","2","3","1") = "9"
    & skf18("8","2","2","10","2","4","1") = "9"
    & skf18("8","2","2","10","2","5","1") = "9"
    & skf18("8","2","2","10","2","6","1") = "9"
    & skf18("8","2","2","10","2","7","1") = "9"
    & skf18("8","2","2","10","2","8","1") = "9"
    & skf18("8","2","2","10","2","9","1") = "9"
    & skf18("8","2","2","10","2","10","1") = "9"
    & skf18("8","2","2","10","3","1","1") = "9"
    & skf18("8","2","2","10","3","2","1") = "9"
    & skf18("8","2","2","10","3","3","1") = "9"
    & skf18("8","2","2","10","3","4","1") = "9"
    & skf18("8","2","2","10","3","5","1") = "9"
    & skf18("8","2","2","10","3","6","1") = "9"
    & skf18("8","2","2","10","3","7","1") = "9"
    & skf18("8","2","2","10","3","8","1") = "9"
    & skf18("8","2","2","10","3","9","1") = "9"
    & skf18("8","2","2","10","3","10","1") = "9"
    & skf18("8","2","2","10","4","1","1") = "9"
    & skf18("8","2","2","10","4","2","1") = "9"
    & skf18("8","2","2","10","4","3","1") = "9"
    & skf18("8","2","2","10","4","4","1") = "9"
    & skf18("8","2","2","10","4","5","1") = "9"
    & skf18("8","2","2","10","4","6","1") = "9"
    & skf18("8","2","2","10","4","7","1") = "9"
    & skf18("8","2","2","10","4","8","1") = "9"
    & skf18("8","2","2","10","4","9","1") = "9"
    & skf18("8","2","2","10","4","10","1") = "9"
    & skf18("8","2","2","10","5","1","1") = "9"
    & skf18("8","2","2","10","5","2","1") = "9"
    & skf18("8","2","2","10","5","3","1") = "9"
    & skf18("8","2","2","10","5","4","1") = "9"
    & skf18("8","2","2","10","5","5","1") = "9"
    & skf18("8","2","2","10","5","6","1") = "9"
    & skf18("8","2","2","10","5","7","1") = "9"
    & skf18("8","2","2","10","5","8","1") = "9"
    & skf18("8","2","2","10","5","9","1") = "9"
    & skf18("8","2","2","10","5","10","1") = "9"
    & skf18("8","2","2","10","6","1","1") = "9"
    & skf18("8","2","2","10","6","2","1") = "9"
    & skf18("8","2","2","10","6","3","1") = "9"
    & skf18("8","2","2","10","6","4","1") = "9"
    & skf18("8","2","2","10","6","5","1") = "9"
    & skf18("8","2","2","10","6","6","1") = "9"
    & skf18("8","2","2","10","6","7","1") = "9"
    & skf18("8","2","2","10","6","8","1") = "9"
    & skf18("8","2","2","10","6","9","1") = "9"
    & skf18("8","2","2","10","6","10","1") = "9"
    & skf18("8","2","2","10","7","1","1") = "9"
    & skf18("8","2","2","10","7","2","1") = "9"
    & skf18("8","2","2","10","7","3","1") = "9"
    & skf18("8","2","2","10","7","4","1") = "9"
    & skf18("8","2","2","10","7","5","1") = "9"
    & skf18("8","2","2","10","7","6","1") = "9"
    & skf18("8","2","2","10","7","7","1") = "9"
    & skf18("8","2","2","10","7","8","1") = "9"
    & skf18("8","2","2","10","7","9","1") = "9"
    & skf18("8","2","2","10","7","10","1") = "9"
    & skf18("8","2","2","10","8","1","1") = "9"
    & skf18("8","2","2","10","8","2","1") = "9"
    & skf18("8","2","2","10","8","3","1") = "9"
    & skf18("8","2","2","10","8","4","1") = "9"
    & skf18("8","2","2","10","8","5","1") = "9"
    & skf18("8","2","2","10","8","6","1") = "9"
    & skf18("8","2","2","10","8","7","1") = "9"
    & skf18("8","2","2","10","8","8","1") = "9"
    & skf18("8","2","2","10","8","9","1") = "9"
    & skf18("8","2","2","10","8","10","1") = "9"
    & skf18("8","2","2","10","9","1","1") = "9"
    & skf18("8","2","2","10","9","2","1") = "9"
    & skf18("8","2","2","10","9","3","1") = "9"
    & skf18("8","2","2","10","9","4","1") = "9"
    & skf18("8","2","2","10","9","5","1") = "9"
    & skf18("8","2","2","10","9","6","1") = "9"
    & skf18("8","2","2","10","9","7","1") = "9"
    & skf18("8","2","2","10","9","8","1") = "9"
    & skf18("8","2","2","10","9","9","1") = "9"
    & skf18("8","2","2","10","9","10","1") = "9"
    & skf18("8","2","2","10","10","1","1") = "9"
    & skf18("8","2","2","10","10","2","1") = "9"
    & skf18("8","2","2","10","10","3","1") = "9"
    & skf18("8","2","2","10","10","4","1") = "9"
    & skf18("8","2","2","10","10","5","1") = "9"
    & skf18("8","2","2","10","10","6","1") = "9"
    & skf18("8","2","2","10","10","7","1") = "9"
    & skf18("8","2","2","10","10","8","1") = "9"
    & skf18("8","2","2","10","10","9","1") = "9"
    & skf18("8","2","2","10","10","10","1") = "9"
    & skf18("8","2","3","1","1","1","1") = "7"
    & skf18("8","2","3","1","1","2","1") = "7"
    & skf18("8","2","3","1","1","3","1") = "7"
    & skf18("8","2","3","1","1","4","1") = "7"
    & skf18("8","2","3","1","1","5","1") = "7"
    & skf18("8","2","3","1","1","6","1") = "7"
    & skf18("8","2","3","1","1","7","1") = "7"
    & skf18("8","2","3","1","1","8","1") = "7"
    & skf18("8","2","3","1","1","9","1") = "8"
    & skf18("8","2","3","1","1","10","1") = "9"
    & skf18("8","2","3","1","2","1","1") = "7"
    & skf18("8","2","3","1","2","2","1") = "7"
    & skf18("8","2","3","1","2","3","1") = "7"
    & skf18("8","2","3","1","2","4","1") = "7"
    & skf18("8","2","3","1","2","5","1") = "7"
    & skf18("8","2","3","1","2","6","1") = "7"
    & skf18("8","2","3","1","2","7","1") = "7"
    & skf18("8","2","3","1","2","8","1") = "7"
    & skf18("8","2","3","1","2","9","1") = "8"
    & skf18("8","2","3","1","2","10","1") = "9"
    & skf18("8","2","3","1","3","1","1") = "7"
    & skf18("8","2","3","1","3","2","1") = "7"
    & skf18("8","2","3","1","3","3","1") = "7"
    & skf18("8","2","3","1","3","4","1") = "7"
    & skf18("8","2","3","1","3","5","1") = "7"
    & skf18("8","2","3","1","3","6","1") = "7"
    & skf18("8","2","3","1","3","7","1") = "7"
    & skf18("8","2","3","1","3","8","1") = "7"
    & skf18("8","2","3","1","3","9","1") = "8"
    & skf18("8","2","3","1","3","10","1") = "9"
    & skf18("8","2","3","1","4","1","1") = "7"
    & skf18("8","2","3","1","4","2","1") = "7"
    & skf18("8","2","3","1","4","3","1") = "7"
    & skf18("8","2","3","1","4","4","1") = "7"
    & skf18("8","2","3","1","4","5","1") = "7"
    & skf18("8","2","3","1","4","6","1") = "7"
    & skf18("8","2","3","1","4","7","1") = "7"
    & skf18("8","2","3","1","4","8","1") = "7"
    & skf18("8","2","3","1","4","9","1") = "8"
    & skf18("8","2","3","1","4","10","1") = "9"
    & skf18("8","2","3","1","5","1","1") = "7"
    & skf18("8","2","3","1","5","2","1") = "7"
    & skf18("8","2","3","1","5","3","1") = "7"
    & skf18("8","2","3","1","5","4","1") = "7"
    & skf18("8","2","3","1","5","5","1") = "7"
    & skf18("8","2","3","1","5","6","1") = "7"
    & skf18("8","2","3","1","5","7","1") = "7"
    & skf18("8","2","3","1","5","8","1") = "7"
    & skf18("8","2","3","1","5","9","1") = "8"
    & skf18("8","2","3","1","5","10","1") = "9"
    & skf18("8","2","3","1","6","1","1") = "7"
    & skf18("8","2","3","1","6","2","1") = "7"
    & skf18("8","2","3","1","6","3","1") = "7"
    & skf18("8","2","3","1","6","4","1") = "7"
    & skf18("8","2","3","1","6","5","1") = "7"
    & skf18("8","2","3","1","6","6","1") = "7"
    & skf18("8","2","3","1","6","7","1") = "7"
    & skf18("8","2","3","1","6","8","1") = "7"
    & skf18("8","2","3","1","6","9","1") = "8"
    & skf18("8","2","3","1","6","10","1") = "9"
    & skf18("8","2","3","1","7","1","1") = "7"
    & skf18("8","2","3","1","7","2","1") = "7"
    & skf18("8","2","3","1","7","3","1") = "7"
    & skf18("8","2","3","1","7","4","1") = "7"
    & skf18("8","2","3","1","7","5","1") = "7"
    & skf18("8","2","3","1","7","6","1") = "7"
    & skf18("8","2","3","1","7","7","1") = "7"
    & skf18("8","2","3","1","7","8","1") = "7"
    & skf18("8","2","3","1","7","9","1") = "8"
    & skf18("8","2","3","1","7","10","1") = "9"
    & skf18("8","2","3","1","8","1","1") = "7"
    & skf18("8","2","3","1","8","2","1") = "7"
    & skf18("8","2","3","1","8","3","1") = "7"
    & skf18("8","2","3","1","8","4","1") = "7"
    & skf18("8","2","3","1","8","5","1") = "7"
    & skf18("8","2","3","1","8","6","1") = "7"
    & skf18("8","2","3","1","8","7","1") = "7"
    & skf18("8","2","3","1","8","8","1") = "7"
    & skf18("8","2","3","1","8","9","1") = "8"
    & skf18("8","2","3","1","8","10","1") = "9"
    & skf18("8","2","3","1","9","1","1") = "8"
    & skf18("8","2","3","1","9","2","1") = "8"
    & skf18("8","2","3","1","9","3","1") = "8"
    & skf18("8","2","3","1","9","4","1") = "8"
    & skf18("8","2","3","1","9","5","1") = "8"
    & skf18("8","2","3","1","9","6","1") = "8"
    & skf18("8","2","3","1","9","7","1") = "8"
    & skf18("8","2","3","1","9","8","1") = "8"
    & skf18("8","2","3","1","9","9","1") = "8"
    & skf18("8","2","3","1","9","10","1") = "9"
    & skf18("8","2","3","1","10","1","1") = "9"
    & skf18("8","2","3","1","10","2","1") = "9"
    & skf18("8","2","3","1","10","3","1") = "9"
    & skf18("8","2","3","1","10","4","1") = "9"
    & skf18("8","2","3","1","10","5","1") = "9"
    & skf18("8","2","3","1","10","6","1") = "9"
    & skf18("8","2","3","1","10","7","1") = "9"
    & skf18("8","2","3","1","10","8","1") = "9"
    & skf18("8","2","3","1","10","9","1") = "9"
    & skf18("8","2","3","1","10","10","1") = "9"
    & skf18("8","2","3","2","1","1","1") = "7"
    & skf18("8","2","3","2","1","2","1") = "7"
    & skf18("8","2","3","2","1","3","1") = "7"
    & skf18("8","2","3","2","1","4","1") = "7"
    & skf18("8","2","3","2","1","5","1") = "7"
    & skf18("8","2","3","2","1","6","1") = "7"
    & skf18("8","2","3","2","1","7","1") = "7"
    & skf18("8","2","3","2","1","8","1") = "7"
    & skf18("8","2","3","2","1","9","1") = "8"
    & skf18("8","2","3","2","1","10","1") = "9"
    & skf18("8","2","3","2","2","1","1") = "7"
    & skf18("8","2","3","2","2","2","1") = "7"
    & skf18("8","2","3","2","2","3","1") = "7"
    & skf18("8","2","3","2","2","4","1") = "7"
    & skf18("8","2","3","2","2","5","1") = "7"
    & skf18("8","2","3","2","2","6","1") = "7"
    & skf18("8","2","3","2","2","7","1") = "7"
    & skf18("8","2","3","2","2","8","1") = "7"
    & skf18("8","2","3","2","2","9","1") = "8"
    & skf18("8","2","3","2","2","10","1") = "9"
    & skf18("8","2","3","2","3","1","1") = "7"
    & skf18("8","2","3","2","3","2","1") = "7"
    & skf18("8","2","3","2","3","3","1") = "7"
    & skf18("8","2","3","2","3","4","1") = "7"
    & skf18("8","2","3","2","3","5","1") = "7"
    & skf18("8","2","3","2","3","6","1") = "7"
    & skf18("8","2","3","2","3","7","1") = "7"
    & skf18("8","2","3","2","3","8","1") = "7"
    & skf18("8","2","3","2","3","9","1") = "8"
    & skf18("8","2","3","2","3","10","1") = "9"
    & skf18("8","2","3","2","4","1","1") = "7"
    & skf18("8","2","3","2","4","2","1") = "7"
    & skf18("8","2","3","2","4","3","1") = "7"
    & skf18("8","2","3","2","4","4","1") = "7"
    & skf18("8","2","3","2","4","5","1") = "7"
    & skf18("8","2","3","2","4","6","1") = "7"
    & skf18("8","2","3","2","4","7","1") = "7"
    & skf18("8","2","3","2","4","8","1") = "7"
    & skf18("8","2","3","2","4","9","1") = "8"
    & skf18("8","2","3","2","4","10","1") = "9"
    & skf18("8","2","3","2","5","1","1") = "7"
    & skf18("8","2","3","2","5","2","1") = "7"
    & skf18("8","2","3","2","5","3","1") = "7"
    & skf18("8","2","3","2","5","4","1") = "7"
    & skf18("8","2","3","2","5","5","1") = "7"
    & skf18("8","2","3","2","5","6","1") = "7"
    & skf18("8","2","3","2","5","7","1") = "7"
    & skf18("8","2","3","2","5","8","1") = "7"
    & skf18("8","2","3","2","5","9","1") = "8"
    & skf18("8","2","3","2","5","10","1") = "9"
    & skf18("8","2","3","2","6","1","1") = "7"
    & skf18("8","2","3","2","6","2","1") = "7"
    & skf18("8","2","3","2","6","3","1") = "7"
    & skf18("8","2","3","2","6","4","1") = "7"
    & skf18("8","2","3","2","6","5","1") = "7"
    & skf18("8","2","3","2","6","6","1") = "7"
    & skf18("8","2","3","2","6","7","1") = "7"
    & skf18("8","2","3","2","6","8","1") = "7"
    & skf18("8","2","3","2","6","9","1") = "8"
    & skf18("8","2","3","2","6","10","1") = "9"
    & skf18("8","2","3","2","7","1","1") = "7"
    & skf18("8","2","3","2","7","2","1") = "7"
    & skf18("8","2","3","2","7","3","1") = "7"
    & skf18("8","2","3","2","7","4","1") = "7"
    & skf18("8","2","3","2","7","5","1") = "7"
    & skf18("8","2","3","2","7","6","1") = "7"
    & skf18("8","2","3","2","7","7","1") = "7"
    & skf18("8","2","3","2","7","8","1") = "7"
    & skf18("8","2","3","2","7","9","1") = "8"
    & skf18("8","2","3","2","7","10","1") = "9"
    & skf18("8","2","3","2","8","1","1") = "7"
    & skf18("8","2","3","2","8","2","1") = "7"
    & skf18("8","2","3","2","8","3","1") = "7"
    & skf18("8","2","3","2","8","4","1") = "7"
    & skf18("8","2","3","2","8","5","1") = "7"
    & skf18("8","2","3","2","8","6","1") = "7"
    & skf18("8","2","3","2","8","7","1") = "7"
    & skf18("8","2","3","2","8","8","1") = "7"
    & skf18("8","2","3","2","8","9","1") = "8"
    & skf18("8","2","3","2","8","10","1") = "9"
    & skf18("8","2","3","2","9","1","1") = "8"
    & skf18("8","2","3","2","9","2","1") = "8"
    & skf18("8","2","3","2","9","3","1") = "8"
    & skf18("8","2","3","2","9","4","1") = "8"
    & skf18("8","2","3","2","9","5","1") = "8"
    & skf18("8","2","3","2","9","6","1") = "8"
    & skf18("8","2","3","2","9","7","1") = "8"
    & skf18("8","2","3","2","9","8","1") = "8"
    & skf18("8","2","3","2","9","9","1") = "8"
    & skf18("8","2","3","2","9","10","1") = "9"
    & skf18("8","2","3","2","10","1","1") = "9"
    & skf18("8","2","3","2","10","2","1") = "9"
    & skf18("8","2","3","2","10","3","1") = "9"
    & skf18("8","2","3","2","10","4","1") = "9"
    & skf18("8","2","3","2","10","5","1") = "9"
    & skf18("8","2","3","2","10","6","1") = "9"
    & skf18("8","2","3","2","10","7","1") = "9"
    & skf18("8","2","3","2","10","8","1") = "9"
    & skf18("8","2","3","2","10","9","1") = "9"
    & skf18("8","2","3","2","10","10","1") = "9"
    & skf18("8","2","3","3","1","1","1") = "7"
    & skf18("8","2","3","3","1","2","1") = "7"
    & skf18("8","2","3","3","1","3","1") = "7"
    & skf18("8","2","3","3","1","4","1") = "7"
    & skf18("8","2","3","3","1","5","1") = "7"
    & skf18("8","2","3","3","1","6","1") = "7"
    & skf18("8","2","3","3","1","7","1") = "7"
    & skf18("8","2","3","3","1","8","1") = "7"
    & skf18("8","2","3","3","1","9","1") = "8"
    & skf18("8","2","3","3","1","10","1") = "9"
    & skf18("8","2","3","3","2","1","1") = "7"
    & skf18("8","2","3","3","2","2","1") = "7"
    & skf18("8","2","3","3","2","3","1") = "7"
    & skf18("8","2","3","3","2","4","1") = "7"
    & skf18("8","2","3","3","2","5","1") = "7"
    & skf18("8","2","3","3","2","6","1") = "7"
    & skf18("8","2","3","3","2","7","1") = "7"
    & skf18("8","2","3","3","2","8","1") = "7"
    & skf18("8","2","3","3","2","9","1") = "8"
    & skf18("8","2","3","3","2","10","1") = "9"
    & skf18("8","2","3","3","3","1","1") = "7"
    & skf18("8","2","3","3","3","2","1") = "7"
    & skf18("8","2","3","3","3","3","1") = "7"
    & skf18("8","2","3","3","3","4","1") = "7"
    & skf18("8","2","3","3","3","5","1") = "7"
    & skf18("8","2","3","3","3","6","1") = "7"
    & skf18("8","2","3","3","3","7","1") = "7"
    & skf18("8","2","3","3","3","8","1") = "7"
    & skf18("8","2","3","3","3","9","1") = "8"
    & skf18("8","2","3","3","3","10","1") = "9"
    & skf18("8","2","3","3","4","1","1") = "7"
    & skf18("8","2","3","3","4","2","1") = "7"
    & skf18("8","2","3","3","4","3","1") = "7"
    & skf18("8","2","3","3","4","4","1") = "7"
    & skf18("8","2","3","3","4","5","1") = "7"
    & skf18("8","2","3","3","4","6","1") = "7"
    & skf18("8","2","3","3","4","7","1") = "7"
    & skf18("8","2","3","3","4","8","1") = "7"
    & skf18("8","2","3","3","4","9","1") = "8"
    & skf18("8","2","3","3","4","10","1") = "9"
    & skf18("8","2","3","3","5","1","1") = "7"
    & skf18("8","2","3","3","5","2","1") = "7"
    & skf18("8","2","3","3","5","3","1") = "7"
    & skf18("8","2","3","3","5","4","1") = "7"
    & skf18("8","2","3","3","5","5","1") = "7"
    & skf18("8","2","3","3","5","6","1") = "7"
    & skf18("8","2","3","3","5","7","1") = "7"
    & skf18("8","2","3","3","5","8","1") = "7"
    & skf18("8","2","3","3","5","9","1") = "8"
    & skf18("8","2","3","3","5","10","1") = "9"
    & skf18("8","2","3","3","6","1","1") = "7"
    & skf18("8","2","3","3","6","2","1") = "7"
    & skf18("8","2","3","3","6","3","1") = "7"
    & skf18("8","2","3","3","6","4","1") = "7"
    & skf18("8","2","3","3","6","5","1") = "7"
    & skf18("8","2","3","3","6","6","1") = "7"
    & skf18("8","2","3","3","6","7","1") = "7"
    & skf18("8","2","3","3","6","8","1") = "7"
    & skf18("8","2","3","3","6","9","1") = "8"
    & skf18("8","2","3","3","6","10","1") = "9"
    & skf18("8","2","3","3","7","1","1") = "7"
    & skf18("8","2","3","3","7","2","1") = "7"
    & skf18("8","2","3","3","7","3","1") = "7"
    & skf18("8","2","3","3","7","4","1") = "7"
    & skf18("8","2","3","3","7","5","1") = "7"
    & skf18("8","2","3","3","7","6","1") = "7"
    & skf18("8","2","3","3","7","7","1") = "7"
    & skf18("8","2","3","3","7","8","1") = "7"
    & skf18("8","2","3","3","7","9","1") = "8"
    & skf18("8","2","3","3","7","10","1") = "9"
    & skf18("8","2","3","3","8","1","1") = "7"
    & skf18("8","2","3","3","8","2","1") = "7"
    & skf18("8","2","3","3","8","3","1") = "7"
    & skf18("8","2","3","3","8","4","1") = "7"
    & skf18("8","2","3","3","8","5","1") = "7"
    & skf18("8","2","3","3","8","6","1") = "7"
    & skf18("8","2","3","3","8","7","1") = "7"
    & skf18("8","2","3","3","8","8","1") = "7"
    & skf18("8","2","3","3","8","9","1") = "8"
    & skf18("8","2","3","3","8","10","1") = "9"
    & skf18("8","2","3","3","9","1","1") = "8"
    & skf18("8","2","3","3","9","2","1") = "8"
    & skf18("8","2","3","3","9","3","1") = "8"
    & skf18("8","2","3","3","9","4","1") = "8"
    & skf18("8","2","3","3","9","5","1") = "8"
    & skf18("8","2","3","3","9","6","1") = "8"
    & skf18("8","2","3","3","9","7","1") = "8"
    & skf18("8","2","3","3","9","8","1") = "8"
    & skf18("8","2","3","3","9","9","1") = "8"
    & skf18("8","2","3","3","9","10","1") = "9"
    & skf18("8","2","3","3","10","1","1") = "9"
    & skf18("8","2","3","3","10","2","1") = "9"
    & skf18("8","2","3","3","10","3","1") = "9"
    & skf18("8","2","3","3","10","4","1") = "9"
    & skf18("8","2","3","3","10","5","1") = "9"
    & skf18("8","2","3","3","10","6","1") = "9"
    & skf18("8","2","3","3","10","7","1") = "9"
    & skf18("8","2","3","3","10","8","1") = "9"
    & skf18("8","2","3","3","10","9","1") = "9"
    & skf18("8","2","3","3","10","10","1") = "9"
    & skf18("8","2","3","4","1","1","1") = "7"
    & skf18("8","2","3","4","1","2","1") = "7"
    & skf18("8","2","3","4","1","3","1") = "7"
    & skf18("8","2","3","4","1","4","1") = "7"
    & skf18("8","2","3","4","1","5","1") = "7"
    & skf18("8","2","3","4","1","6","1") = "7"
    & skf18("8","2","3","4","1","7","1") = "7"
    & skf18("8","2","3","4","1","8","1") = "7"
    & skf18("8","2","3","4","1","9","1") = "8"
    & skf18("8","2","3","4","1","10","1") = "9"
    & skf18("8","2","3","4","2","1","1") = "7"
    & skf18("8","2","3","4","2","2","1") = "7"
    & skf18("8","2","3","4","2","3","1") = "7"
    & skf18("8","2","3","4","2","4","1") = "7"
    & skf18("8","2","3","4","2","5","1") = "7"
    & skf18("8","2","3","4","2","6","1") = "7"
    & skf18("8","2","3","4","2","7","1") = "7"
    & skf18("8","2","3","4","2","8","1") = "7"
    & skf18("8","2","3","4","2","9","1") = "8"
    & skf18("8","2","3","4","2","10","1") = "9"
    & skf18("8","2","3","4","3","1","1") = "7"
    & skf18("8","2","3","4","3","2","1") = "7"
    & skf18("8","2","3","4","3","3","1") = "7"
    & skf18("8","2","3","4","3","4","1") = "7"
    & skf18("8","2","3","4","3","5","1") = "7"
    & skf18("8","2","3","4","3","6","1") = "7"
    & skf18("8","2","3","4","3","7","1") = "7"
    & skf18("8","2","3","4","3","8","1") = "7"
    & skf18("8","2","3","4","3","9","1") = "8"
    & skf18("8","2","3","4","3","10","1") = "9"
    & skf18("8","2","3","4","4","1","1") = "7"
    & skf18("8","2","3","4","4","2","1") = "7"
    & skf18("8","2","3","4","4","3","1") = "7"
    & skf18("8","2","3","4","4","4","1") = "7"
    & skf18("8","2","3","4","4","5","1") = "7"
    & skf18("8","2","3","4","4","6","1") = "7"
    & skf18("8","2","3","4","4","7","1") = "7"
    & skf18("8","2","3","4","4","8","1") = "7"
    & skf18("8","2","3","4","4","9","1") = "8"
    & skf18("8","2","3","4","4","10","1") = "9"
    & skf18("8","2","3","4","5","1","1") = "7"
    & skf18("8","2","3","4","5","2","1") = "7"
    & skf18("8","2","3","4","5","3","1") = "7"
    & skf18("8","2","3","4","5","4","1") = "7"
    & skf18("8","2","3","4","5","5","1") = "7"
    & skf18("8","2","3","4","5","6","1") = "7"
    & skf18("8","2","3","4","5","7","1") = "7"
    & skf18("8","2","3","4","5","8","1") = "7"
    & skf18("8","2","3","4","5","9","1") = "8"
    & skf18("8","2","3","4","5","10","1") = "9"
    & skf18("8","2","3","4","6","1","1") = "7"
    & skf18("8","2","3","4","6","2","1") = "7"
    & skf18("8","2","3","4","6","3","1") = "7"
    & skf18("8","2","3","4","6","4","1") = "7"
    & skf18("8","2","3","4","6","5","1") = "7"
    & skf18("8","2","3","4","6","6","1") = "7"
    & skf18("8","2","3","4","6","7","1") = "7"
    & skf18("8","2","3","4","6","8","1") = "7"
    & skf18("8","2","3","4","6","9","1") = "8"
    & skf18("8","2","3","4","6","10","1") = "9"
    & skf18("8","2","3","4","7","1","1") = "7"
    & skf18("8","2","3","4","7","2","1") = "7"
    & skf18("8","2","3","4","7","3","1") = "7"
    & skf18("8","2","3","4","7","4","1") = "7"
    & skf18("8","2","3","4","7","5","1") = "7"
    & skf18("8","2","3","4","7","6","1") = "7"
    & skf18("8","2","3","4","7","7","1") = "7"
    & skf18("8","2","3","4","7","8","1") = "7"
    & skf18("8","2","3","4","7","9","1") = "8"
    & skf18("8","2","3","4","7","10","1") = "9"
    & skf18("8","2","3","4","8","1","1") = "7"
    & skf18("8","2","3","4","8","2","1") = "7"
    & skf18("8","2","3","4","8","3","1") = "7"
    & skf18("8","2","3","4","8","4","1") = "7"
    & skf18("8","2","3","4","8","5","1") = "7"
    & skf18("8","2","3","4","8","6","1") = "7"
    & skf18("8","2","3","4","8","7","1") = "7"
    & skf18("8","2","3","4","8","8","1") = "7"
    & skf18("8","2","3","4","8","9","1") = "8"
    & skf18("8","2","3","4","8","10","1") = "9"
    & skf18("8","2","3","4","9","1","1") = "8"
    & skf18("8","2","3","4","9","2","1") = "8"
    & skf18("8","2","3","4","9","3","1") = "8"
    & skf18("8","2","3","4","9","4","1") = "8"
    & skf18("8","2","3","4","9","5","1") = "8"
    & skf18("8","2","3","4","9","6","1") = "8"
    & skf18("8","2","3","4","9","7","1") = "8"
    & skf18("8","2","3","4","9","8","1") = "8"
    & skf18("8","2","3","4","9","9","1") = "8"
    & skf18("8","2","3","4","9","10","1") = "9"
    & skf18("8","2","3","4","10","1","1") = "9"
    & skf18("8","2","3","4","10","2","1") = "9"
    & skf18("8","2","3","4","10","3","1") = "9"
    & skf18("8","2","3","4","10","4","1") = "9"
    & skf18("8","2","3","4","10","5","1") = "9"
    & skf18("8","2","3","4","10","6","1") = "9"
    & skf18("8","2","3","4","10","7","1") = "9"
    & skf18("8","2","3","4","10","8","1") = "9"
    & skf18("8","2","3","4","10","9","1") = "9"
    & skf18("8","2","3","4","10","10","1") = "9"
    & skf18("8","2","3","5","1","1","1") = "7"
    & skf18("8","2","3","5","1","2","1") = "7"
    & skf18("8","2","3","5","1","3","1") = "7"
    & skf18("8","2","3","5","1","4","1") = "7"
    & skf18("8","2","3","5","1","5","1") = "7"
    & skf18("8","2","3","5","1","6","1") = "7"
    & skf18("8","2","3","5","1","7","1") = "7"
    & skf18("8","2","3","5","1","8","1") = "7"
    & skf18("8","2","3","5","1","9","1") = "8"
    & skf18("8","2","3","5","1","10","1") = "9"
    & skf18("8","2","3","5","2","1","1") = "7"
    & skf18("8","2","3","5","2","2","1") = "7"
    & skf18("8","2","3","5","2","3","1") = "7"
    & skf18("8","2","3","5","2","4","1") = "7"
    & skf18("8","2","3","5","2","5","1") = "7"
    & skf18("8","2","3","5","2","6","1") = "7"
    & skf18("8","2","3","5","2","7","1") = "7"
    & skf18("8","2","3","5","2","8","1") = "7"
    & skf18("8","2","3","5","2","9","1") = "8"
    & skf18("8","2","3","5","2","10","1") = "9"
    & skf18("8","2","3","5","3","1","1") = "7"
    & skf18("8","2","3","5","3","2","1") = "7"
    & skf18("8","2","3","5","3","3","1") = "7"
    & skf18("8","2","3","5","3","4","1") = "7"
    & skf18("8","2","3","5","3","5","1") = "7"
    & skf18("8","2","3","5","3","6","1") = "7"
    & skf18("8","2","3","5","3","7","1") = "7"
    & skf18("8","2","3","5","3","8","1") = "7"
    & skf18("8","2","3","5","3","9","1") = "8"
    & skf18("8","2","3","5","3","10","1") = "9"
    & skf18("8","2","3","5","4","1","1") = "7"
    & skf18("8","2","3","5","4","2","1") = "7"
    & skf18("8","2","3","5","4","3","1") = "7"
    & skf18("8","2","3","5","4","4","1") = "7"
    & skf18("8","2","3","5","4","5","1") = "7"
    & skf18("8","2","3","5","4","6","1") = "7"
    & skf18("8","2","3","5","4","7","1") = "7"
    & skf18("8","2","3","5","4","8","1") = "7"
    & skf18("8","2","3","5","4","9","1") = "8"
    & skf18("8","2","3","5","4","10","1") = "9"
    & skf18("8","2","3","5","5","1","1") = "7"
    & skf18("8","2","3","5","5","2","1") = "7"
    & skf18("8","2","3","5","5","3","1") = "7"
    & skf18("8","2","3","5","5","4","1") = "7"
    & skf18("8","2","3","5","5","5","1") = "7"
    & skf18("8","2","3","5","5","6","1") = "7"
    & skf18("8","2","3","5","5","7","1") = "7"
    & skf18("8","2","3","5","5","8","1") = "7"
    & skf18("8","2","3","5","5","9","1") = "8"
    & skf18("8","2","3","5","5","10","1") = "9"
    & skf18("8","2","3","5","6","1","1") = "7"
    & skf18("8","2","3","5","6","2","1") = "7"
    & skf18("8","2","3","5","6","3","1") = "7"
    & skf18("8","2","3","5","6","4","1") = "7"
    & skf18("8","2","3","5","6","5","1") = "7"
    & skf18("8","2","3","5","6","6","1") = "7"
    & skf18("8","2","3","5","6","7","1") = "7"
    & skf18("8","2","3","5","6","8","1") = "7"
    & skf18("8","2","3","5","6","9","1") = "8"
    & skf18("8","2","3","5","6","10","1") = "9"
    & skf18("8","2","3","5","7","1","1") = "7"
    & skf18("8","2","3","5","7","2","1") = "7"
    & skf18("8","2","3","5","7","3","1") = "7"
    & skf18("8","2","3","5","7","4","1") = "7"
    & skf18("8","2","3","5","7","5","1") = "7"
    & skf18("8","2","3","5","7","6","1") = "7"
    & skf18("8","2","3","5","7","7","1") = "7"
    & skf18("8","2","3","5","7","8","1") = "7"
    & skf18("8","2","3","5","7","9","1") = "8"
    & skf18("8","2","3","5","7","10","1") = "9"
    & skf18("8","2","3","5","8","1","1") = "7"
    & skf18("8","2","3","5","8","2","1") = "7"
    & skf18("8","2","3","5","8","3","1") = "7"
    & skf18("8","2","3","5","8","4","1") = "7"
    & skf18("8","2","3","5","8","5","1") = "7"
    & skf18("8","2","3","5","8","6","1") = "7"
    & skf18("8","2","3","5","8","7","1") = "7"
    & skf18("8","2","3","5","8","8","1") = "7"
    & skf18("8","2","3","5","8","9","1") = "8"
    & skf18("8","2","3","5","8","10","1") = "9"
    & skf18("8","2","3","5","9","1","1") = "8"
    & skf18("8","2","3","5","9","2","1") = "8"
    & skf18("8","2","3","5","9","3","1") = "8"
    & skf18("8","2","3","5","9","4","1") = "8"
    & skf18("8","2","3","5","9","5","1") = "8"
    & skf18("8","2","3","5","9","6","1") = "8"
    & skf18("8","2","3","5","9","7","1") = "8"
    & skf18("8","2","3","5","9","8","1") = "8"
    & skf18("8","2","3","5","9","9","1") = "8"
    & skf18("8","2","3","5","9","10","1") = "9"
    & skf18("8","2","3","5","10","1","1") = "9"
    & skf18("8","2","3","5","10","2","1") = "9"
    & skf18("8","2","3","5","10","3","1") = "9"
    & skf18("8","2","3","5","10","4","1") = "9"
    & skf18("8","2","3","5","10","5","1") = "9"
    & skf18("8","2","3","5","10","6","1") = "9"
    & skf18("8","2","3","5","10","7","1") = "9"
    & skf18("8","2","3","5","10","8","1") = "9"
    & skf18("8","2","3","5","10","9","1") = "9"
    & skf18("8","2","3","5","10","10","1") = "9"
    & skf18("8","2","3","6","1","1","1") = "7"
    & skf18("8","2","3","6","1","2","1") = "7"
    & skf18("8","2","3","6","1","3","1") = "7"
    & skf18("8","2","3","6","1","4","1") = "7"
    & skf18("8","2","3","6","1","5","1") = "7"
    & skf18("8","2","3","6","1","6","1") = "7"
    & skf18("8","2","3","6","1","7","1") = "7"
    & skf18("8","2","3","6","1","8","1") = "7"
    & skf18("8","2","3","6","1","9","1") = "8"
    & skf18("8","2","3","6","1","10","1") = "9"
    & skf18("8","2","3","6","2","1","1") = "7"
    & skf18("8","2","3","6","2","2","1") = "7"
    & skf18("8","2","3","6","2","3","1") = "7"
    & skf18("8","2","3","6","2","4","1") = "7"
    & skf18("8","2","3","6","2","5","1") = "7"
    & skf18("8","2","3","6","2","6","1") = "7"
    & skf18("8","2","3","6","2","7","1") = "7"
    & skf18("8","2","3","6","2","8","1") = "7"
    & skf18("8","2","3","6","2","9","1") = "8"
    & skf18("8","2","3","6","2","10","1") = "9"
    & skf18("8","2","3","6","3","1","1") = "7"
    & skf18("8","2","3","6","3","2","1") = "7"
    & skf18("8","2","3","6","3","3","1") = "7"
    & skf18("8","2","3","6","3","4","1") = "7"
    & skf18("8","2","3","6","3","5","1") = "7"
    & skf18("8","2","3","6","3","6","1") = "7"
    & skf18("8","2","3","6","3","7","1") = "7"
    & skf18("8","2","3","6","3","8","1") = "7"
    & skf18("8","2","3","6","3","9","1") = "8"
    & skf18("8","2","3","6","3","10","1") = "9"
    & skf18("8","2","3","6","4","1","1") = "7"
    & skf18("8","2","3","6","4","2","1") = "7"
    & skf18("8","2","3","6","4","3","1") = "7"
    & skf18("8","2","3","6","4","4","1") = "7"
    & skf18("8","2","3","6","4","5","1") = "7"
    & skf18("8","2","3","6","4","6","1") = "7"
    & skf18("8","2","3","6","4","7","1") = "7"
    & skf18("8","2","3","6","4","8","1") = "7"
    & skf18("8","2","3","6","4","9","1") = "8"
    & skf18("8","2","3","6","4","10","1") = "9"
    & skf18("8","2","3","6","5","1","1") = "7"
    & skf18("8","2","3","6","5","2","1") = "7"
    & skf18("8","2","3","6","5","3","1") = "7"
    & skf18("8","2","3","6","5","4","1") = "7"
    & skf18("8","2","3","6","5","5","1") = "7"
    & skf18("8","2","3","6","5","6","1") = "7"
    & skf18("8","2","3","6","5","7","1") = "7"
    & skf18("8","2","3","6","5","8","1") = "7"
    & skf18("8","2","3","6","5","9","1") = "8"
    & skf18("8","2","3","6","5","10","1") = "9"
    & skf18("8","2","3","6","6","1","1") = "7"
    & skf18("8","2","3","6","6","2","1") = "7"
    & skf18("8","2","3","6","6","3","1") = "7"
    & skf18("8","2","3","6","6","4","1") = "7"
    & skf18("8","2","3","6","6","5","1") = "7"
    & skf18("8","2","3","6","6","6","1") = "7"
    & skf18("8","2","3","6","6","7","1") = "7"
    & skf18("8","2","3","6","6","8","1") = "7"
    & skf18("8","2","3","6","6","9","1") = "8"
    & skf18("8","2","3","6","6","10","1") = "9"
    & skf18("8","2","3","6","7","1","1") = "7"
    & skf18("8","2","3","6","7","2","1") = "7"
    & skf18("8","2","3","6","7","3","1") = "7"
    & skf18("8","2","3","6","7","4","1") = "7"
    & skf18("8","2","3","6","7","5","1") = "7"
    & skf18("8","2","3","6","7","6","1") = "7"
    & skf18("8","2","3","6","7","7","1") = "7"
    & skf18("8","2","3","6","7","8","1") = "7"
    & skf18("8","2","3","6","7","9","1") = "8"
    & skf18("8","2","3","6","7","10","1") = "9"
    & skf18("8","2","3","6","8","1","1") = "7"
    & skf18("8","2","3","6","8","2","1") = "7"
    & skf18("8","2","3","6","8","3","1") = "7"
    & skf18("8","2","3","6","8","4","1") = "7"
    & skf18("8","2","3","6","8","5","1") = "7"
    & skf18("8","2","3","6","8","6","1") = "7"
    & skf18("8","2","3","6","8","7","1") = "7"
    & skf18("8","2","3","6","8","8","1") = "7"
    & skf18("8","2","3","6","8","9","1") = "8"
    & skf18("8","2","3","6","8","10","1") = "9"
    & skf18("8","2","3","6","9","1","1") = "8"
    & skf18("8","2","3","6","9","2","1") = "8"
    & skf18("8","2","3","6","9","3","1") = "8"
    & skf18("8","2","3","6","9","4","1") = "8"
    & skf18("8","2","3","6","9","5","1") = "8"
    & skf18("8","2","3","6","9","6","1") = "8"
    & skf18("8","2","3","6","9","7","1") = "8"
    & skf18("8","2","3","6","9","8","1") = "8"
    & skf18("8","2","3","6","9","9","1") = "8"
    & skf18("8","2","3","6","9","10","1") = "9"
    & skf18("8","2","3","6","10","1","1") = "9"
    & skf18("8","2","3","6","10","2","1") = "9"
    & skf18("8","2","3","6","10","3","1") = "9"
    & skf18("8","2","3","6","10","4","1") = "9"
    & skf18("8","2","3","6","10","5","1") = "9"
    & skf18("8","2","3","6","10","6","1") = "9"
    & skf18("8","2","3","6","10","7","1") = "9"
    & skf18("8","2","3","6","10","8","1") = "9"
    & skf18("8","2","3","6","10","9","1") = "9"
    & skf18("8","2","3","6","10","10","1") = "9"
    & skf18("8","2","3","7","1","1","1") = "7"
    & skf18("8","2","3","7","1","2","1") = "7"
    & skf18("8","2","3","7","1","3","1") = "7"
    & skf18("8","2","3","7","1","4","1") = "7"
    & skf18("8","2","3","7","1","5","1") = "7"
    & skf18("8","2","3","7","1","6","1") = "7"
    & skf18("8","2","3","7","1","7","1") = "7"
    & skf18("8","2","3","7","1","8","1") = "7"
    & skf18("8","2","3","7","1","9","1") = "8"
    & skf18("8","2","3","7","1","10","1") = "9"
    & skf18("8","2","3","7","2","1","1") = "7"
    & skf18("8","2","3","7","2","2","1") = "7"
    & skf18("8","2","3","7","2","3","1") = "7"
    & skf18("8","2","3","7","2","4","1") = "7"
    & skf18("8","2","3","7","2","5","1") = "7"
    & skf18("8","2","3","7","2","6","1") = "7"
    & skf18("8","2","3","7","2","7","1") = "7"
    & skf18("8","2","3","7","2","8","1") = "7"
    & skf18("8","2","3","7","2","9","1") = "8"
    & skf18("8","2","3","7","2","10","1") = "9"
    & skf18("8","2","3","7","3","1","1") = "7"
    & skf18("8","2","3","7","3","2","1") = "7"
    & skf18("8","2","3","7","3","3","1") = "7"
    & skf18("8","2","3","7","3","4","1") = "7"
    & skf18("8","2","3","7","3","5","1") = "7"
    & skf18("8","2","3","7","3","6","1") = "7"
    & skf18("8","2","3","7","3","7","1") = "7"
    & skf18("8","2","3","7","3","8","1") = "7"
    & skf18("8","2","3","7","3","9","1") = "8"
    & skf18("8","2","3","7","3","10","1") = "9"
    & skf18("8","2","3","7","4","1","1") = "7"
    & skf18("8","2","3","7","4","2","1") = "7"
    & skf18("8","2","3","7","4","3","1") = "7"
    & skf18("8","2","3","7","4","4","1") = "7"
    & skf18("8","2","3","7","4","5","1") = "7"
    & skf18("8","2","3","7","4","6","1") = "7"
    & skf18("8","2","3","7","4","7","1") = "7"
    & skf18("8","2","3","7","4","8","1") = "7"
    & skf18("8","2","3","7","4","9","1") = "8"
    & skf18("8","2","3","7","4","10","1") = "9"
    & skf18("8","2","3","7","5","1","1") = "7"
    & skf18("8","2","3","7","5","2","1") = "7"
    & skf18("8","2","3","7","5","3","1") = "7"
    & skf18("8","2","3","7","5","4","1") = "7"
    & skf18("8","2","3","7","5","5","1") = "7"
    & skf18("8","2","3","7","5","6","1") = "7"
    & skf18("8","2","3","7","5","7","1") = "7"
    & skf18("8","2","3","7","5","8","1") = "7"
    & skf18("8","2","3","7","5","9","1") = "8"
    & skf18("8","2","3","7","5","10","1") = "9"
    & skf18("8","2","3","7","6","1","1") = "7"
    & skf18("8","2","3","7","6","2","1") = "7"
    & skf18("8","2","3","7","6","3","1") = "7"
    & skf18("8","2","3","7","6","4","1") = "7"
    & skf18("8","2","3","7","6","5","1") = "7"
    & skf18("8","2","3","7","6","6","1") = "7"
    & skf18("8","2","3","7","6","7","1") = "7"
    & skf18("8","2","3","7","6","8","1") = "7"
    & skf18("8","2","3","7","6","9","1") = "8"
    & skf18("8","2","3","7","6","10","1") = "9"
    & skf18("8","2","3","7","7","1","1") = "7"
    & skf18("8","2","3","7","7","2","1") = "7"
    & skf18("8","2","3","7","7","3","1") = "7"
    & skf18("8","2","3","7","7","4","1") = "7"
    & skf18("8","2","3","7","7","5","1") = "7"
    & skf18("8","2","3","7","7","6","1") = "7"
    & skf18("8","2","3","7","7","7","1") = "7"
    & skf18("8","2","3","7","7","8","1") = "7"
    & skf18("8","2","3","7","7","9","1") = "8"
    & skf18("8","2","3","7","7","10","1") = "9"
    & skf18("8","2","3","7","8","1","1") = "7"
    & skf18("8","2","3","7","8","2","1") = "7"
    & skf18("8","2","3","7","8","3","1") = "7"
    & skf18("8","2","3","7","8","4","1") = "7"
    & skf18("8","2","3","7","8","5","1") = "7"
    & skf18("8","2","3","7","8","6","1") = "7"
    & skf18("8","2","3","7","8","7","1") = "7"
    & skf18("8","2","3","7","8","8","1") = "7"
    & skf18("8","2","3","7","8","9","1") = "8"
    & skf18("8","2","3","7","8","10","1") = "9"
    & skf18("8","2","3","7","9","1","1") = "8"
    & skf18("8","2","3","7","9","2","1") = "8"
    & skf18("8","2","3","7","9","3","1") = "8"
    & skf18("8","2","3","7","9","4","1") = "8"
    & skf18("8","2","3","7","9","5","1") = "8"
    & skf18("8","2","3","7","9","6","1") = "8"
    & skf18("8","2","3","7","9","7","1") = "8"
    & skf18("8","2","3","7","9","8","1") = "8"
    & skf18("8","2","3","7","9","9","1") = "8"
    & skf18("8","2","3","7","9","10","1") = "9"
    & skf18("8","2","3","7","10","1","1") = "9"
    & skf18("8","2","3","7","10","2","1") = "9"
    & skf18("8","2","3","7","10","3","1") = "9"
    & skf18("8","2","3","7","10","4","1") = "9"
    & skf18("8","2","3","7","10","5","1") = "9"
    & skf18("8","2","3","7","10","6","1") = "9"
    & skf18("8","2","3","7","10","7","1") = "9"
    & skf18("8","2","3","7","10","8","1") = "9"
    & skf18("8","2","3","7","10","9","1") = "9"
    & skf18("8","2","3","7","10","10","1") = "9"
    & skf18("8","2","3","8","1","1","1") = "7"
    & skf18("8","2","3","8","1","2","1") = "7"
    & skf18("8","2","3","8","1","3","1") = "7"
    & skf18("8","2","3","8","1","4","1") = "7"
    & skf18("8","2","3","8","1","5","1") = "7"
    & skf18("8","2","3","8","1","6","1") = "7"
    & skf18("8","2","3","8","1","7","1") = "7"
    & skf18("8","2","3","8","1","8","1") = "7"
    & skf18("8","2","3","8","1","9","1") = "8"
    & skf18("8","2","3","8","1","10","1") = "9"
    & skf18("8","2","3","8","2","1","1") = "7"
    & skf18("8","2","3","8","2","2","1") = "7"
    & skf18("8","2","3","8","2","3","1") = "7"
    & skf18("8","2","3","8","2","4","1") = "7"
    & skf18("8","2","3","8","2","5","1") = "7"
    & skf18("8","2","3","8","2","6","1") = "7"
    & skf18("8","2","3","8","2","7","1") = "7"
    & skf18("8","2","3","8","2","8","1") = "7"
    & skf18("8","2","3","8","2","9","1") = "8"
    & skf18("8","2","3","8","2","10","1") = "9"
    & skf18("8","2","3","8","3","1","1") = "7"
    & skf18("8","2","3","8","3","2","1") = "7"
    & skf18("8","2","3","8","3","3","1") = "7"
    & skf18("8","2","3","8","3","4","1") = "7"
    & skf18("8","2","3","8","3","5","1") = "7"
    & skf18("8","2","3","8","3","6","1") = "7"
    & skf18("8","2","3","8","3","7","1") = "7"
    & skf18("8","2","3","8","3","8","1") = "7"
    & skf18("8","2","3","8","3","9","1") = "8"
    & skf18("8","2","3","8","3","10","1") = "9"
    & skf18("8","2","3","8","4","1","1") = "7"
    & skf18("8","2","3","8","4","2","1") = "7"
    & skf18("8","2","3","8","4","3","1") = "7"
    & skf18("8","2","3","8","4","4","1") = "7"
    & skf18("8","2","3","8","4","5","1") = "7"
    & skf18("8","2","3","8","4","6","1") = "7"
    & skf18("8","2","3","8","4","7","1") = "7"
    & skf18("8","2","3","8","4","8","1") = "7"
    & skf18("8","2","3","8","4","9","1") = "8"
    & skf18("8","2","3","8","4","10","1") = "9"
    & skf18("8","2","3","8","5","1","1") = "7"
    & skf18("8","2","3","8","5","2","1") = "7"
    & skf18("8","2","3","8","5","3","1") = "7"
    & skf18("8","2","3","8","5","4","1") = "7"
    & skf18("8","2","3","8","5","5","1") = "7"
    & skf18("8","2","3","8","5","6","1") = "7"
    & skf18("8","2","3","8","5","7","1") = "7"
    & skf18("8","2","3","8","5","8","1") = "7"
    & skf18("8","2","3","8","5","9","1") = "8"
    & skf18("8","2","3","8","5","10","1") = "9"
    & skf18("8","2","3","8","6","1","1") = "7"
    & skf18("8","2","3","8","6","2","1") = "7"
    & skf18("8","2","3","8","6","3","1") = "7"
    & skf18("8","2","3","8","6","4","1") = "7"
    & skf18("8","2","3","8","6","5","1") = "7"
    & skf18("8","2","3","8","6","6","1") = "7"
    & skf18("8","2","3","8","6","7","1") = "7"
    & skf18("8","2","3","8","6","8","1") = "7"
    & skf18("8","2","3","8","6","9","1") = "8"
    & skf18("8","2","3","8","6","10","1") = "9"
    & skf18("8","2","3","8","7","1","1") = "7"
    & skf18("8","2","3","8","7","2","1") = "7"
    & skf18("8","2","3","8","7","3","1") = "7"
    & skf18("8","2","3","8","7","4","1") = "7"
    & skf18("8","2","3","8","7","5","1") = "7"
    & skf18("8","2","3","8","7","6","1") = "7"
    & skf18("8","2","3","8","7","7","1") = "7"
    & skf18("8","2","3","8","7","8","1") = "7"
    & skf18("8","2","3","8","7","9","1") = "8"
    & skf18("8","2","3","8","7","10","1") = "9"
    & skf18("8","2","3","8","8","1","1") = "7"
    & skf18("8","2","3","8","8","2","1") = "7"
    & skf18("8","2","3","8","8","3","1") = "7"
    & skf18("8","2","3","8","8","4","1") = "7"
    & skf18("8","2","3","8","8","5","1") = "7"
    & skf18("8","2","3","8","8","6","1") = "7"
    & skf18("8","2","3","8","8","7","1") = "7"
    & skf18("8","2","3","8","8","8","1") = "7"
    & skf18("8","2","3","8","8","9","1") = "8"
    & skf18("8","2","3","8","8","10","1") = "9"
    & skf18("8","2","3","8","9","1","1") = "8"
    & skf18("8","2","3","8","9","2","1") = "8"
    & skf18("8","2","3","8","9","3","1") = "8"
    & skf18("8","2","3","8","9","4","1") = "8"
    & skf18("8","2","3","8","9","5","1") = "8"
    & skf18("8","2","3","8","9","6","1") = "8"
    & skf18("8","2","3","8","9","7","1") = "8"
    & skf18("8","2","3","8","9","8","1") = "8"
    & skf18("8","2","3","8","9","9","1") = "8"
    & skf18("8","2","3","8","9","10","1") = "9"
    & skf18("8","2","3","8","10","1","1") = "9"
    & skf18("8","2","3","8","10","2","1") = "9"
    & skf18("8","2","3","8","10","3","1") = "9"
    & skf18("8","2","3","8","10","4","1") = "9"
    & skf18("8","2","3","8","10","5","1") = "9"
    & skf18("8","2","3","8","10","6","1") = "9"
    & skf18("8","2","3","8","10","7","1") = "9"
    & skf18("8","2","3","8","10","8","1") = "9"
    & skf18("8","2","3","8","10","9","1") = "9"
    & skf18("8","2","3","8","10","10","1") = "9"
    & skf18("8","2","3","9","1","1","1") = "8"
    & skf18("8","2","3","9","1","2","1") = "8"
    & skf18("8","2","3","9","1","3","1") = "8"
    & skf18("8","2","3","9","1","4","1") = "8"
    & skf18("8","2","3","9","1","5","1") = "8"
    & skf18("8","2","3","9","1","6","1") = "8"
    & skf18("8","2","3","9","1","7","1") = "8"
    & skf18("8","2","3","9","1","8","1") = "8"
    & skf18("8","2","3","9","1","9","1") = "8"
    & skf18("8","2","3","9","1","10","1") = "9"
    & skf18("8","2","3","9","2","1","1") = "8"
    & skf18("8","2","3","9","2","2","1") = "8"
    & skf18("8","2","3","9","2","3","1") = "8"
    & skf18("8","2","3","9","2","4","1") = "8"
    & skf18("8","2","3","9","2","5","1") = "8"
    & skf18("8","2","3","9","2","6","1") = "8"
    & skf18("8","2","3","9","2","7","1") = "8"
    & skf18("8","2","3","9","2","8","1") = "8"
    & skf18("8","2","3","9","2","9","1") = "8"
    & skf18("8","2","3","9","2","10","1") = "9"
    & skf18("8","2","3","9","3","1","1") = "8"
    & skf18("8","2","3","9","3","2","1") = "8"
    & skf18("8","2","3","9","3","3","1") = "8"
    & skf18("8","2","3","9","3","4","1") = "8"
    & skf18("8","2","3","9","3","5","1") = "8"
    & skf18("8","2","3","9","3","6","1") = "8"
    & skf18("8","2","3","9","3","7","1") = "8"
    & skf18("8","2","3","9","3","8","1") = "8"
    & skf18("8","2","3","9","3","9","1") = "8"
    & skf18("8","2","3","9","3","10","1") = "9"
    & skf18("8","2","3","9","4","1","1") = "8"
    & skf18("8","2","3","9","4","2","1") = "8"
    & skf18("8","2","3","9","4","3","1") = "8"
    & skf18("8","2","3","9","4","4","1") = "8"
    & skf18("8","2","3","9","4","5","1") = "8"
    & skf18("8","2","3","9","4","6","1") = "8"
    & skf18("8","2","3","9","4","7","1") = "8"
    & skf18("8","2","3","9","4","8","1") = "8"
    & skf18("8","2","3","9","4","9","1") = "8"
    & skf18("8","2","3","9","4","10","1") = "9"
    & skf18("8","2","3","9","5","1","1") = "8"
    & skf18("8","2","3","9","5","2","1") = "8"
    & skf18("8","2","3","9","5","3","1") = "8"
    & skf18("8","2","3","9","5","4","1") = "8"
    & skf18("8","2","3","9","5","5","1") = "8"
    & skf18("8","2","3","9","5","6","1") = "8"
    & skf18("8","2","3","9","5","7","1") = "8"
    & skf18("8","2","3","9","5","8","1") = "8"
    & skf18("8","2","3","9","5","9","1") = "8"
    & skf18("8","2","3","9","5","10","1") = "9"
    & skf18("8","2","3","9","6","1","1") = "8"
    & skf18("8","2","3","9","6","2","1") = "8"
    & skf18("8","2","3","9","6","3","1") = "8"
    & skf18("8","2","3","9","6","4","1") = "8"
    & skf18("8","2","3","9","6","5","1") = "8"
    & skf18("8","2","3","9","6","6","1") = "8"
    & skf18("8","2","3","9","6","7","1") = "8"
    & skf18("8","2","3","9","6","8","1") = "8"
    & skf18("8","2","3","9","6","9","1") = "8"
    & skf18("8","2","3","9","6","10","1") = "9"
    & skf18("8","2","3","9","7","1","1") = "8"
    & skf18("8","2","3","9","7","2","1") = "8"
    & skf18("8","2","3","9","7","3","1") = "8"
    & skf18("8","2","3","9","7","4","1") = "8"
    & skf18("8","2","3","9","7","5","1") = "8"
    & skf18("8","2","3","9","7","6","1") = "8"
    & skf18("8","2","3","9","7","7","1") = "8"
    & skf18("8","2","3","9","7","8","1") = "8"
    & skf18("8","2","3","9","7","9","1") = "8"
    & skf18("8","2","3","9","7","10","1") = "9"
    & skf18("8","2","3","9","8","1","1") = "8"
    & skf18("8","2","3","9","8","2","1") = "8"
    & skf18("8","2","3","9","8","3","1") = "8"
    & skf18("8","2","3","9","8","4","1") = "8"
    & skf18("8","2","3","9","8","5","1") = "8"
    & skf18("8","2","3","9","8","6","1") = "8"
    & skf18("8","2","3","9","8","7","1") = "8"
    & skf18("8","2","3","9","8","8","1") = "8"
    & skf18("8","2","3","9","8","9","1") = "8"
    & skf18("8","2","3","9","8","10","1") = "9"
    & skf18("8","2","3","9","9","1","1") = "8"
    & skf18("8","2","3","9","9","2","1") = "8"
    & skf18("8","2","3","9","9","3","1") = "8"
    & skf18("8","2","3","9","9","4","1") = "8"
    & skf18("8","2","3","9","9","5","1") = "8"
    & skf18("8","2","3","9","9","6","1") = "8"
    & skf18("8","2","3","9","9","7","1") = "8"
    & skf18("8","2","3","9","9","8","1") = "8"
    & skf18("8","2","3","9","9","9","1") = "8"
    & skf18("8","2","3","9","9","10","1") = "9"
    & skf18("8","2","3","9","10","1","1") = "9"
    & skf18("8","2","3","9","10","2","1") = "9"
    & skf18("8","2","3","9","10","3","1") = "9"
    & skf18("8","2","3","9","10","4","1") = "9"
    & skf18("8","2","3","9","10","5","1") = "9"
    & skf18("8","2","3","9","10","6","1") = "9"
    & skf18("8","2","3","9","10","7","1") = "9"
    & skf18("8","2","3","9","10","8","1") = "9"
    & skf18("8","2","3","9","10","9","1") = "9"
    & skf18("8","2","3","9","10","10","1") = "9"
    & skf18("8","2","3","10","1","1","1") = "9"
    & skf18("8","2","3","10","1","2","1") = "9"
    & skf18("8","2","3","10","1","3","1") = "9"
    & skf18("8","2","3","10","1","4","1") = "9"
    & skf18("8","2","3","10","1","5","1") = "9"
    & skf18("8","2","3","10","1","6","1") = "9"
    & skf18("8","2","3","10","1","7","1") = "9"
    & skf18("8","2","3","10","1","8","1") = "9"
    & skf18("8","2","3","10","1","9","1") = "9"
    & skf18("8","2","3","10","1","10","1") = "9"
    & skf18("8","2","3","10","2","1","1") = "9"
    & skf18("8","2","3","10","2","2","1") = "9"
    & skf18("8","2","3","10","2","3","1") = "9"
    & skf18("8","2","3","10","2","4","1") = "9"
    & skf18("8","2","3","10","2","5","1") = "9"
    & skf18("8","2","3","10","2","6","1") = "9"
    & skf18("8","2","3","10","2","7","1") = "9"
    & skf18("8","2","3","10","2","8","1") = "9"
    & skf18("8","2","3","10","2","9","1") = "9"
    & skf18("8","2","3","10","2","10","1") = "9"
    & skf18("8","2","3","10","3","1","1") = "9"
    & skf18("8","2","3","10","3","2","1") = "9"
    & skf18("8","2","3","10","3","3","1") = "9"
    & skf18("8","2","3","10","3","4","1") = "9"
    & skf18("8","2","3","10","3","5","1") = "9"
    & skf18("8","2","3","10","3","6","1") = "9"
    & skf18("8","2","3","10","3","7","1") = "9"
    & skf18("8","2","3","10","3","8","1") = "9"
    & skf18("8","2","3","10","3","9","1") = "9"
    & skf18("8","2","3","10","3","10","1") = "9"
    & skf18("8","2","3","10","4","1","1") = "9"
    & skf18("8","2","3","10","4","2","1") = "9"
    & skf18("8","2","3","10","4","3","1") = "9"
    & skf18("8","2","3","10","4","4","1") = "9"
    & skf18("8","2","3","10","4","5","1") = "9"
    & skf18("8","2","3","10","4","6","1") = "9"
    & skf18("8","2","3","10","4","7","1") = "9"
    & skf18("8","2","3","10","4","8","1") = "9"
    & skf18("8","2","3","10","4","9","1") = "9"
    & skf18("8","2","3","10","4","10","1") = "9"
    & skf18("8","2","3","10","5","1","1") = "9"
    & skf18("8","2","3","10","5","2","1") = "9"
    & skf18("8","2","3","10","5","3","1") = "9"
    & skf18("8","2","3","10","5","4","1") = "9"
    & skf18("8","2","3","10","5","5","1") = "9"
    & skf18("8","2","3","10","5","6","1") = "9"
    & skf18("8","2","3","10","5","7","1") = "9"
    & skf18("8","2","3","10","5","8","1") = "9"
    & skf18("8","2","3","10","5","9","1") = "9"
    & skf18("8","2","3","10","5","10","1") = "9"
    & skf18("8","2","3","10","6","1","1") = "9"
    & skf18("8","2","3","10","6","2","1") = "9"
    & skf18("8","2","3","10","6","3","1") = "9"
    & skf18("8","2","3","10","6","4","1") = "9"
    & skf18("8","2","3","10","6","5","1") = "9"
    & skf18("8","2","3","10","6","6","1") = "9"
    & skf18("8","2","3","10","6","7","1") = "9"
    & skf18("8","2","3","10","6","8","1") = "9"
    & skf18("8","2","3","10","6","9","1") = "9"
    & skf18("8","2","3","10","6","10","1") = "9"
    & skf18("8","2","3","10","7","1","1") = "9"
    & skf18("8","2","3","10","7","2","1") = "9"
    & skf18("8","2","3","10","7","3","1") = "9"
    & skf18("8","2","3","10","7","4","1") = "9"
    & skf18("8","2","3","10","7","5","1") = "9"
    & skf18("8","2","3","10","7","6","1") = "9"
    & skf18("8","2","3","10","7","7","1") = "9"
    & skf18("8","2","3","10","7","8","1") = "9"
    & skf18("8","2","3","10","7","9","1") = "9"
    & skf18("8","2","3","10","7","10","1") = "9"
    & skf18("8","2","3","10","8","1","1") = "9"
    & skf18("8","2","3","10","8","2","1") = "9"
    & skf18("8","2","3","10","8","3","1") = "9"
    & skf18("8","2","3","10","8","4","1") = "9"
    & skf18("8","2","3","10","8","5","1") = "9"
    & skf18("8","2","3","10","8","6","1") = "9"
    & skf18("8","2","3","10","8","7","1") = "9"
    & skf18("8","2","3","10","8","8","1") = "9"
    & skf18("8","2","3","10","8","9","1") = "9"
    & skf18("8","2","3","10","8","10","1") = "9"
    & skf18("8","2","3","10","9","1","1") = "9"
    & skf18("8","2","3","10","9","2","1") = "9"
    & skf18("8","2","3","10","9","3","1") = "9"
    & skf18("8","2","3","10","9","4","1") = "9"
    & skf18("8","2","3","10","9","5","1") = "9"
    & skf18("8","2","3","10","9","6","1") = "9"
    & skf18("8","2","3","10","9","7","1") = "9"
    & skf18("8","2","3","10","9","8","1") = "9"
    & skf18("8","2","3","10","9","9","1") = "9"
    & skf18("8","2","3","10","9","10","1") = "9"
    & skf18("8","2","3","10","10","1","1") = "9"
    & skf18("8","2","3","10","10","2","1") = "9"
    & skf18("8","2","3","10","10","3","1") = "9"
    & skf18("8","2","3","10","10","4","1") = "9"
    & skf18("8","2","3","10","10","5","1") = "9"
    & skf18("8","2","3","10","10","6","1") = "9"
    & skf18("8","2","3","10","10","7","1") = "9"
    & skf18("8","2","3","10","10","8","1") = "9"
    & skf18("8","2","3","10","10","9","1") = "9"
    & skf18("8","2","3","10","10","10","1") = "9"
    & skf18("8","2","4","1","1","1","1") = "7"
    & skf18("8","2","4","1","1","2","1") = "7"
    & skf18("8","2","4","1","1","3","1") = "7"
    & skf18("8","2","4","1","1","4","1") = "7"
    & skf18("8","2","4","1","1","5","1") = "7"
    & skf18("8","2","4","1","1","6","1") = "7"
    & skf18("8","2","4","1","1","7","1") = "7"
    & skf18("8","2","4","1","1","8","1") = "7"
    & skf18("8","2","4","1","1","9","1") = "8"
    & skf18("8","2","4","1","1","10","1") = "9"
    & skf18("8","2","4","1","2","1","1") = "7"
    & skf18("8","2","4","1","2","2","1") = "7"
    & skf18("8","2","4","1","2","3","1") = "7"
    & skf18("8","2","4","1","2","4","1") = "7"
    & skf18("8","2","4","1","2","5","1") = "7"
    & skf18("8","2","4","1","2","6","1") = "7"
    & skf18("8","2","4","1","2","7","1") = "7"
    & skf18("8","2","4","1","2","8","1") = "7"
    & skf18("8","2","4","1","2","9","1") = "8"
    & skf18("8","2","4","1","2","10","1") = "9"
    & skf18("8","2","4","1","3","1","1") = "7"
    & skf18("8","2","4","1","3","2","1") = "7"
    & skf18("8","2","4","1","3","3","1") = "7"
    & skf18("8","2","4","1","3","4","1") = "7"
    & skf18("8","2","4","1","3","5","1") = "7"
    & skf18("8","2","4","1","3","6","1") = "7"
    & skf18("8","2","4","1","3","7","1") = "7"
    & skf18("8","2","4","1","3","8","1") = "7"
    & skf18("8","2","4","1","3","9","1") = "8"
    & skf18("8","2","4","1","3","10","1") = "9"
    & skf18("8","2","4","1","4","1","1") = "7"
    & skf18("8","2","4","1","4","2","1") = "7"
    & skf18("8","2","4","1","4","3","1") = "7"
    & skf18("8","2","4","1","4","4","1") = "7"
    & skf18("8","2","4","1","4","5","1") = "7"
    & skf18("8","2","4","1","4","6","1") = "7"
    & skf18("8","2","4","1","4","7","1") = "7"
    & skf18("8","2","4","1","4","8","1") = "7"
    & skf18("8","2","4","1","4","9","1") = "8"
    & skf18("8","2","4","1","4","10","1") = "9"
    & skf18("8","2","4","1","5","1","1") = "7"
    & skf18("8","2","4","1","5","2","1") = "7"
    & skf18("8","2","4","1","5","3","1") = "7"
    & skf18("8","2","4","1","5","4","1") = "7"
    & skf18("8","2","4","1","5","5","1") = "7"
    & skf18("8","2","4","1","5","6","1") = "7"
    & skf18("8","2","4","1","5","7","1") = "7"
    & skf18("8","2","4","1","5","8","1") = "7"
    & skf18("8","2","4","1","5","9","1") = "8"
    & skf18("8","2","4","1","5","10","1") = "9"
    & skf18("8","2","4","1","6","1","1") = "7"
    & skf18("8","2","4","1","6","2","1") = "7"
    & skf18("8","2","4","1","6","3","1") = "7"
    & skf18("8","2","4","1","6","4","1") = "7"
    & skf18("8","2","4","1","6","5","1") = "7"
    & skf18("8","2","4","1","6","6","1") = "7"
    & skf18("8","2","4","1","6","7","1") = "7"
    & skf18("8","2","4","1","6","8","1") = "7"
    & skf18("8","2","4","1","6","9","1") = "8"
    & skf18("8","2","4","1","6","10","1") = "9"
    & skf18("8","2","4","1","7","1","1") = "7"
    & skf18("8","2","4","1","7","2","1") = "7"
    & skf18("8","2","4","1","7","3","1") = "7"
    & skf18("8","2","4","1","7","4","1") = "7"
    & skf18("8","2","4","1","7","5","1") = "7"
    & skf18("8","2","4","1","7","6","1") = "7"
    & skf18("8","2","4","1","7","7","1") = "7"
    & skf18("8","2","4","1","7","8","1") = "7"
    & skf18("8","2","4","1","7","9","1") = "8"
    & skf18("8","2","4","1","7","10","1") = "9"
    & skf18("8","2","4","1","8","1","1") = "7"
    & skf18("8","2","4","1","8","2","1") = "7"
    & skf18("8","2","4","1","8","3","1") = "7"
    & skf18("8","2","4","1","8","4","1") = "7"
    & skf18("8","2","4","1","8","5","1") = "7"
    & skf18("8","2","4","1","8","6","1") = "7"
    & skf18("8","2","4","1","8","7","1") = "7"
    & skf18("8","2","4","1","8","8","1") = "7"
    & skf18("8","2","4","1","8","9","1") = "8"
    & skf18("8","2","4","1","8","10","1") = "9"
    & skf18("8","2","4","1","9","1","1") = "8"
    & skf18("8","2","4","1","9","2","1") = "8"
    & skf18("8","2","4","1","9","3","1") = "8"
    & skf18("8","2","4","1","9","4","1") = "8"
    & skf18("8","2","4","1","9","5","1") = "8"
    & skf18("8","2","4","1","9","6","1") = "8"
    & skf18("8","2","4","1","9","7","1") = "8"
    & skf18("8","2","4","1","9","8","1") = "8"
    & skf18("8","2","4","1","9","9","1") = "8"
    & skf18("8","2","4","1","9","10","1") = "9"
    & skf18("8","2","4","1","10","1","1") = "9"
    & skf18("8","2","4","1","10","2","1") = "9"
    & skf18("8","2","4","1","10","3","1") = "9"
    & skf18("8","2","4","1","10","4","1") = "9"
    & skf18("8","2","4","1","10","5","1") = "9"
    & skf18("8","2","4","1","10","6","1") = "9"
    & skf18("8","2","4","1","10","7","1") = "9"
    & skf18("8","2","4","1","10","8","1") = "9"
    & skf18("8","2","4","1","10","9","1") = "9"
    & skf18("8","2","4","1","10","10","1") = "9"
    & skf18("8","2","4","2","1","1","1") = "7"
    & skf18("8","2","4","2","1","2","1") = "7"
    & skf18("8","2","4","2","1","3","1") = "7"
    & skf18("8","2","4","2","1","4","1") = "7"
    & skf18("8","2","4","2","1","5","1") = "7"
    & skf18("8","2","4","2","1","6","1") = "7"
    & skf18("8","2","4","2","1","7","1") = "7"
    & skf18("8","2","4","2","1","8","1") = "7"
    & skf18("8","2","4","2","1","9","1") = "8"
    & skf18("8","2","4","2","1","10","1") = "9"
    & skf18("8","2","4","2","2","1","1") = "7"
    & skf18("8","2","4","2","2","2","1") = "7"
    & skf18("8","2","4","2","2","3","1") = "7"
    & skf18("8","2","4","2","2","4","1") = "7"
    & skf18("8","2","4","2","2","5","1") = "7"
    & skf18("8","2","4","2","2","6","1") = "7"
    & skf18("8","2","4","2","2","7","1") = "7"
    & skf18("8","2","4","2","2","8","1") = "7"
    & skf18("8","2","4","2","2","9","1") = "8"
    & skf18("8","2","4","2","2","10","1") = "9"
    & skf18("8","2","4","2","3","1","1") = "7"
    & skf18("8","2","4","2","3","2","1") = "7"
    & skf18("8","2","4","2","3","3","1") = "7"
    & skf18("8","2","4","2","3","4","1") = "7"
    & skf18("8","2","4","2","3","5","1") = "7"
    & skf18("8","2","4","2","3","6","1") = "7"
    & skf18("8","2","4","2","3","7","1") = "7"
    & skf18("8","2","4","2","3","8","1") = "7"
    & skf18("8","2","4","2","3","9","1") = "8"
    & skf18("8","2","4","2","3","10","1") = "9"
    & skf18("8","2","4","2","4","1","1") = "7"
    & skf18("8","2","4","2","4","2","1") = "7"
    & skf18("8","2","4","2","4","3","1") = "7"
    & skf18("8","2","4","2","4","4","1") = "7"
    & skf18("8","2","4","2","4","5","1") = "7"
    & skf18("8","2","4","2","4","6","1") = "7"
    & skf18("8","2","4","2","4","7","1") = "7"
    & skf18("8","2","4","2","4","8","1") = "7"
    & skf18("8","2","4","2","4","9","1") = "8"
    & skf18("8","2","4","2","4","10","1") = "9"
    & skf18("8","2","4","2","5","1","1") = "7"
    & skf18("8","2","4","2","5","2","1") = "7"
    & skf18("8","2","4","2","5","3","1") = "7"
    & skf18("8","2","4","2","5","4","1") = "7"
    & skf18("8","2","4","2","5","5","1") = "7"
    & skf18("8","2","4","2","5","6","1") = "7"
    & skf18("8","2","4","2","5","7","1") = "7"
    & skf18("8","2","4","2","5","8","1") = "7"
    & skf18("8","2","4","2","5","9","1") = "8"
    & skf18("8","2","4","2","5","10","1") = "9"
    & skf18("8","2","4","2","6","1","1") = "7"
    & skf18("8","2","4","2","6","2","1") = "7"
    & skf18("8","2","4","2","6","3","1") = "7"
    & skf18("8","2","4","2","6","4","1") = "7"
    & skf18("8","2","4","2","6","5","1") = "7"
    & skf18("8","2","4","2","6","6","1") = "7"
    & skf18("8","2","4","2","6","7","1") = "7"
    & skf18("8","2","4","2","6","8","1") = "7"
    & skf18("8","2","4","2","6","9","1") = "8"
    & skf18("8","2","4","2","6","10","1") = "9"
    & skf18("8","2","4","2","7","1","1") = "7"
    & skf18("8","2","4","2","7","2","1") = "7"
    & skf18("8","2","4","2","7","3","1") = "7"
    & skf18("8","2","4","2","7","4","1") = "7"
    & skf18("8","2","4","2","7","5","1") = "7"
    & skf18("8","2","4","2","7","6","1") = "7"
    & skf18("8","2","4","2","7","7","1") = "7"
    & skf18("8","2","4","2","7","8","1") = "7"
    & skf18("8","2","4","2","7","9","1") = "8"
    & skf18("8","2","4","2","7","10","1") = "9"
    & skf18("8","2","4","2","8","1","1") = "7"
    & skf18("8","2","4","2","8","2","1") = "7"
    & skf18("8","2","4","2","8","3","1") = "7"
    & skf18("8","2","4","2","8","4","1") = "7"
    & skf18("8","2","4","2","8","5","1") = "7"
    & skf18("8","2","4","2","8","6","1") = "7"
    & skf18("8","2","4","2","8","7","1") = "7"
    & skf18("8","2","4","2","8","8","1") = "7"
    & skf18("8","2","4","2","8","9","1") = "8"
    & skf18("8","2","4","2","8","10","1") = "9"
    & skf18("8","2","4","2","9","1","1") = "8"
    & skf18("8","2","4","2","9","2","1") = "8"
    & skf18("8","2","4","2","9","3","1") = "8"
    & skf18("8","2","4","2","9","4","1") = "8"
    & skf18("8","2","4","2","9","5","1") = "8"
    & skf18("8","2","4","2","9","6","1") = "8"
    & skf18("8","2","4","2","9","7","1") = "8"
    & skf18("8","2","4","2","9","8","1") = "8"
    & skf18("8","2","4","2","9","9","1") = "8"
    & skf18("8","2","4","2","9","10","1") = "9"
    & skf18("8","2","4","2","10","1","1") = "9"
    & skf18("8","2","4","2","10","2","1") = "9"
    & skf18("8","2","4","2","10","3","1") = "9"
    & skf18("8","2","4","2","10","4","1") = "9"
    & skf18("8","2","4","2","10","5","1") = "9"
    & skf18("8","2","4","2","10","6","1") = "9"
    & skf18("8","2","4","2","10","7","1") = "9"
    & skf18("8","2","4","2","10","8","1") = "9"
    & skf18("8","2","4","2","10","9","1") = "9"
    & skf18("8","2","4","2","10","10","1") = "9"
    & skf18("8","2","4","3","1","1","1") = "7"
    & skf18("8","2","4","3","1","2","1") = "7"
    & skf18("8","2","4","3","1","3","1") = "7"
    & skf18("8","2","4","3","1","4","1") = "7"
    & skf18("8","2","4","3","1","5","1") = "7"
    & skf18("8","2","4","3","1","6","1") = "7"
    & skf18("8","2","4","3","1","7","1") = "7"
    & skf18("8","2","4","3","1","8","1") = "7"
    & skf18("8","2","4","3","1","9","1") = "8"
    & skf18("8","2","4","3","1","10","1") = "9"
    & skf18("8","2","4","3","2","1","1") = "7"
    & skf18("8","2","4","3","2","2","1") = "7"
    & skf18("8","2","4","3","2","3","1") = "7"
    & skf18("8","2","4","3","2","4","1") = "7"
    & skf18("8","2","4","3","2","5","1") = "7"
    & skf18("8","2","4","3","2","6","1") = "7"
    & skf18("8","2","4","3","2","7","1") = "7"
    & skf18("8","2","4","3","2","8","1") = "7"
    & skf18("8","2","4","3","2","9","1") = "8"
    & skf18("8","2","4","3","2","10","1") = "9"
    & skf18("8","2","4","3","3","1","1") = "7"
    & skf18("8","2","4","3","3","2","1") = "7"
    & skf18("8","2","4","3","3","3","1") = "7"
    & skf18("8","2","4","3","3","4","1") = "7"
    & skf18("8","2","4","3","3","5","1") = "7"
    & skf18("8","2","4","3","3","6","1") = "7"
    & skf18("8","2","4","3","3","7","1") = "7"
    & skf18("8","2","4","3","3","8","1") = "7"
    & skf18("8","2","4","3","3","9","1") = "8"
    & skf18("8","2","4","3","3","10","1") = "9"
    & skf18("8","2","4","3","4","1","1") = "7"
    & skf18("8","2","4","3","4","2","1") = "7"
    & skf18("8","2","4","3","4","3","1") = "7"
    & skf18("8","2","4","3","4","4","1") = "7"
    & skf18("8","2","4","3","4","5","1") = "7"
    & skf18("8","2","4","3","4","6","1") = "7"
    & skf18("8","2","4","3","4","7","1") = "7"
    & skf18("8","2","4","3","4","8","1") = "7"
    & skf18("8","2","4","3","4","9","1") = "8"
    & skf18("8","2","4","3","4","10","1") = "9"
    & skf18("8","2","4","3","5","1","1") = "7"
    & skf18("8","2","4","3","5","2","1") = "7"
    & skf18("8","2","4","3","5","3","1") = "7"
    & skf18("8","2","4","3","5","4","1") = "7"
    & skf18("8","2","4","3","5","5","1") = "7"
    & skf18("8","2","4","3","5","6","1") = "7"
    & skf18("8","2","4","3","5","7","1") = "7"
    & skf18("8","2","4","3","5","8","1") = "7"
    & skf18("8","2","4","3","5","9","1") = "8"
    & skf18("8","2","4","3","5","10","1") = "9"
    & skf18("8","2","4","3","6","1","1") = "7"
    & skf18("8","2","4","3","6","2","1") = "7"
    & skf18("8","2","4","3","6","3","1") = "7"
    & skf18("8","2","4","3","6","4","1") = "7"
    & skf18("8","2","4","3","6","5","1") = "7"
    & skf18("8","2","4","3","6","6","1") = "7"
    & skf18("8","2","4","3","6","7","1") = "7"
    & skf18("8","2","4","3","6","8","1") = "7"
    & skf18("8","2","4","3","6","9","1") = "8"
    & skf18("8","2","4","3","6","10","1") = "9"
    & skf18("8","2","4","3","7","1","1") = "7"
    & skf18("8","2","4","3","7","2","1") = "7"
    & skf18("8","2","4","3","7","3","1") = "7"
    & skf18("8","2","4","3","7","4","1") = "7"
    & skf18("8","2","4","3","7","5","1") = "7"
    & skf18("8","2","4","3","7","6","1") = "7"
    & skf18("8","2","4","3","7","7","1") = "7"
    & skf18("8","2","4","3","7","8","1") = "7"
    & skf18("8","2","4","3","7","9","1") = "8"
    & skf18("8","2","4","3","7","10","1") = "9"
    & skf18("8","2","4","3","8","1","1") = "7"
    & skf18("8","2","4","3","8","2","1") = "7"
    & skf18("8","2","4","3","8","3","1") = "7"
    & skf18("8","2","4","3","8","4","1") = "7"
    & skf18("8","2","4","3","8","5","1") = "7"
    & skf18("8","2","4","3","8","6","1") = "7"
    & skf18("8","2","4","3","8","7","1") = "7"
    & skf18("8","2","4","3","8","8","1") = "7"
    & skf18("8","2","4","3","8","9","1") = "8"
    & skf18("8","2","4","3","8","10","1") = "9"
    & skf18("8","2","4","3","9","1","1") = "8"
    & skf18("8","2","4","3","9","2","1") = "8"
    & skf18("8","2","4","3","9","3","1") = "8"
    & skf18("8","2","4","3","9","4","1") = "8"
    & skf18("8","2","4","3","9","5","1") = "8"
    & skf18("8","2","4","3","9","6","1") = "8"
    & skf18("8","2","4","3","9","7","1") = "8"
    & skf18("8","2","4","3","9","8","1") = "8"
    & skf18("8","2","4","3","9","9","1") = "8"
    & skf18("8","2","4","3","9","10","1") = "9"
    & skf18("8","2","4","3","10","1","1") = "9"
    & skf18("8","2","4","3","10","2","1") = "9"
    & skf18("8","2","4","3","10","3","1") = "9"
    & skf18("8","2","4","3","10","4","1") = "9"
    & skf18("8","2","4","3","10","5","1") = "9"
    & skf18("8","2","4","3","10","6","1") = "9"
    & skf18("8","2","4","3","10","7","1") = "9"
    & skf18("8","2","4","3","10","8","1") = "9"
    & skf18("8","2","4","3","10","9","1") = "9"
    & skf18("8","2","4","3","10","10","1") = "9"
    & skf18("8","2","4","4","1","1","1") = "7"
    & skf18("8","2","4","4","1","2","1") = "7"
    & skf18("8","2","4","4","1","3","1") = "7"
    & skf18("8","2","4","4","1","4","1") = "7"
    & skf18("8","2","4","4","1","5","1") = "7"
    & skf18("8","2","4","4","1","6","1") = "7"
    & skf18("8","2","4","4","1","7","1") = "7"
    & skf18("8","2","4","4","1","8","1") = "7"
    & skf18("8","2","4","4","1","9","1") = "8"
    & skf18("8","2","4","4","1","10","1") = "9"
    & skf18("8","2","4","4","2","1","1") = "7"
    & skf18("8","2","4","4","2","2","1") = "7"
    & skf18("8","2","4","4","2","3","1") = "7"
    & skf18("8","2","4","4","2","4","1") = "7"
    & skf18("8","2","4","4","2","5","1") = "7"
    & skf18("8","2","4","4","2","6","1") = "7"
    & skf18("8","2","4","4","2","7","1") = "7"
    & skf18("8","2","4","4","2","8","1") = "7"
    & skf18("8","2","4","4","2","9","1") = "8"
    & skf18("8","2","4","4","2","10","1") = "9"
    & skf18("8","2","4","4","3","1","1") = "7"
    & skf18("8","2","4","4","3","2","1") = "7"
    & skf18("8","2","4","4","3","3","1") = "7"
    & skf18("8","2","4","4","3","4","1") = "7"
    & skf18("8","2","4","4","3","5","1") = "7"
    & skf18("8","2","4","4","3","6","1") = "7"
    & skf18("8","2","4","4","3","7","1") = "7"
    & skf18("8","2","4","4","3","8","1") = "7"
    & skf18("8","2","4","4","3","9","1") = "8"
    & skf18("8","2","4","4","3","10","1") = "9"
    & skf18("8","2","4","4","4","1","1") = "7"
    & skf18("8","2","4","4","4","2","1") = "7"
    & skf18("8","2","4","4","4","3","1") = "7"
    & skf18("8","2","4","4","4","4","1") = "7"
    & skf18("8","2","4","4","4","5","1") = "7"
    & skf18("8","2","4","4","4","6","1") = "7"
    & skf18("8","2","4","4","4","7","1") = "7"
    & skf18("8","2","4","4","4","8","1") = "7"
    & skf18("8","2","4","4","4","9","1") = "8"
    & skf18("8","2","4","4","4","10","1") = "9"
    & skf18("8","2","4","4","5","1","1") = "7"
    & skf18("8","2","4","4","5","2","1") = "7"
    & skf18("8","2","4","4","5","3","1") = "7"
    & skf18("8","2","4","4","5","4","1") = "7"
    & skf18("8","2","4","4","5","5","1") = "7"
    & skf18("8","2","4","4","5","6","1") = "7"
    & skf18("8","2","4","4","5","7","1") = "7"
    & skf18("8","2","4","4","5","8","1") = "7"
    & skf18("8","2","4","4","5","9","1") = "8"
    & skf18("8","2","4","4","5","10","1") = "9"
    & skf18("8","2","4","4","6","1","1") = "7"
    & skf18("8","2","4","4","6","2","1") = "7"
    & skf18("8","2","4","4","6","3","1") = "7"
    & skf18("8","2","4","4","6","4","1") = "7"
    & skf18("8","2","4","4","6","5","1") = "7"
    & skf18("8","2","4","4","6","6","1") = "7"
    & skf18("8","2","4","4","6","7","1") = "7"
    & skf18("8","2","4","4","6","8","1") = "7"
    & skf18("8","2","4","4","6","9","1") = "8"
    & skf18("8","2","4","4","6","10","1") = "9"
    & skf18("8","2","4","4","7","1","1") = "7"
    & skf18("8","2","4","4","7","2","1") = "7"
    & skf18("8","2","4","4","7","3","1") = "7"
    & skf18("8","2","4","4","7","4","1") = "7"
    & skf18("8","2","4","4","7","5","1") = "7"
    & skf18("8","2","4","4","7","6","1") = "7"
    & skf18("8","2","4","4","7","7","1") = "7"
    & skf18("8","2","4","4","7","8","1") = "7"
    & skf18("8","2","4","4","7","9","1") = "8"
    & skf18("8","2","4","4","7","10","1") = "9"
    & skf18("8","2","4","4","8","1","1") = "7"
    & skf18("8","2","4","4","8","2","1") = "7"
    & skf18("8","2","4","4","8","3","1") = "7"
    & skf18("8","2","4","4","8","4","1") = "7"
    & skf18("8","2","4","4","8","5","1") = "7"
    & skf18("8","2","4","4","8","6","1") = "7"
    & skf18("8","2","4","4","8","7","1") = "7"
    & skf18("8","2","4","4","8","8","1") = "7"
    & skf18("8","2","4","4","8","9","1") = "8"
    & skf18("8","2","4","4","8","10","1") = "9"
    & skf18("8","2","4","4","9","1","1") = "8"
    & skf18("8","2","4","4","9","2","1") = "8"
    & skf18("8","2","4","4","9","3","1") = "8"
    & skf18("8","2","4","4","9","4","1") = "8"
    & skf18("8","2","4","4","9","5","1") = "8"
    & skf18("8","2","4","4","9","6","1") = "8"
    & skf18("8","2","4","4","9","7","1") = "8"
    & skf18("8","2","4","4","9","8","1") = "8"
    & skf18("8","2","4","4","9","9","1") = "8"
    & skf18("8","2","4","4","9","10","1") = "9"
    & skf18("8","2","4","4","10","1","1") = "9"
    & skf18("8","2","4","4","10","2","1") = "9"
    & skf18("8","2","4","4","10","3","1") = "9"
    & skf18("8","2","4","4","10","4","1") = "9"
    & skf18("8","2","4","4","10","5","1") = "9"
    & skf18("8","2","4","4","10","6","1") = "9"
    & skf18("8","2","4","4","10","7","1") = "9"
    & skf18("8","2","4","4","10","8","1") = "9"
    & skf18("8","2","4","4","10","9","1") = "9"
    & skf18("8","2","4","4","10","10","1") = "9"
    & skf18("8","2","4","5","1","1","1") = "7"
    & skf18("8","2","4","5","1","2","1") = "7"
    & skf18("8","2","4","5","1","3","1") = "7"
    & skf18("8","2","4","5","1","4","1") = "7"
    & skf18("8","2","4","5","1","5","1") = "7"
    & skf18("8","2","4","5","1","6","1") = "7"
    & skf18("8","2","4","5","1","7","1") = "7"
    & skf18("8","2","4","5","1","8","1") = "7"
    & skf18("8","2","4","5","1","9","1") = "8"
    & skf18("8","2","4","5","1","10","1") = "9"
    & skf18("8","2","4","5","2","1","1") = "7"
    & skf18("8","2","4","5","2","2","1") = "7"
    & skf18("8","2","4","5","2","3","1") = "7"
    & skf18("8","2","4","5","2","4","1") = "7"
    & skf18("8","2","4","5","2","5","1") = "7"
    & skf18("8","2","4","5","2","6","1") = "7"
    & skf18("8","2","4","5","2","7","1") = "7"
    & skf18("8","2","4","5","2","8","1") = "7"
    & skf18("8","2","4","5","2","9","1") = "8"
    & skf18("8","2","4","5","2","10","1") = "9"
    & skf18("8","2","4","5","3","1","1") = "7"
    & skf18("8","2","4","5","3","2","1") = "7"
    & skf18("8","2","4","5","3","3","1") = "7"
    & skf18("8","2","4","5","3","4","1") = "7"
    & skf18("8","2","4","5","3","5","1") = "7"
    & skf18("8","2","4","5","3","6","1") = "7"
    & skf18("8","2","4","5","3","7","1") = "7"
    & skf18("8","2","4","5","3","8","1") = "7"
    & skf18("8","2","4","5","3","9","1") = "8"
    & skf18("8","2","4","5","3","10","1") = "9"
    & skf18("8","2","4","5","4","1","1") = "7"
    & skf18("8","2","4","5","4","2","1") = "7"
    & skf18("8","2","4","5","4","3","1") = "7"
    & skf18("8","2","4","5","4","4","1") = "7"
    & skf18("8","2","4","5","4","5","1") = "7"
    & skf18("8","2","4","5","4","6","1") = "7"
    & skf18("8","2","4","5","4","7","1") = "7"
    & skf18("8","2","4","5","4","8","1") = "7"
    & skf18("8","2","4","5","4","9","1") = "8"
    & skf18("8","2","4","5","4","10","1") = "9"
    & skf18("8","2","4","5","5","1","1") = "7"
    & skf18("8","2","4","5","5","2","1") = "7"
    & skf18("8","2","4","5","5","3","1") = "7"
    & skf18("8","2","4","5","5","4","1") = "7"
    & skf18("8","2","4","5","5","5","1") = "7"
    & skf18("8","2","4","5","5","6","1") = "7"
    & skf18("8","2","4","5","5","7","1") = "7"
    & skf18("8","2","4","5","5","8","1") = "7"
    & skf18("8","2","4","5","5","9","1") = "8"
    & skf18("8","2","4","5","5","10","1") = "9"
    & skf18("8","2","4","5","6","1","1") = "7"
    & skf18("8","2","4","5","6","2","1") = "7"
    & skf18("8","2","4","5","6","3","1") = "7"
    & skf18("8","2","4","5","6","4","1") = "7"
    & skf18("8","2","4","5","6","5","1") = "7"
    & skf18("8","2","4","5","6","6","1") = "7"
    & skf18("8","2","4","5","6","7","1") = "7"
    & skf18("8","2","4","5","6","8","1") = "7"
    & skf18("8","2","4","5","6","9","1") = "8"
    & skf18("8","2","4","5","6","10","1") = "9"
    & skf18("8","2","4","5","7","1","1") = "7"
    & skf18("8","2","4","5","7","2","1") = "7"
    & skf18("8","2","4","5","7","3","1") = "7"
    & skf18("8","2","4","5","7","4","1") = "7"
    & skf18("8","2","4","5","7","5","1") = "7"
    & skf18("8","2","4","5","7","6","1") = "7"
    & skf18("8","2","4","5","7","7","1") = "7"
    & skf18("8","2","4","5","7","8","1") = "7"
    & skf18("8","2","4","5","7","9","1") = "8"
    & skf18("8","2","4","5","7","10","1") = "9"
    & skf18("8","2","4","5","8","1","1") = "7"
    & skf18("8","2","4","5","8","2","1") = "7"
    & skf18("8","2","4","5","8","3","1") = "7"
    & skf18("8","2","4","5","8","4","1") = "7"
    & skf18("8","2","4","5","8","5","1") = "7"
    & skf18("8","2","4","5","8","6","1") = "7"
    & skf18("8","2","4","5","8","7","1") = "7"
    & skf18("8","2","4","5","8","8","1") = "7"
    & skf18("8","2","4","5","8","9","1") = "8"
    & skf18("8","2","4","5","8","10","1") = "9"
    & skf18("8","2","4","5","9","1","1") = "8"
    & skf18("8","2","4","5","9","2","1") = "8"
    & skf18("8","2","4","5","9","3","1") = "8"
    & skf18("8","2","4","5","9","4","1") = "8"
    & skf18("8","2","4","5","9","5","1") = "8"
    & skf18("8","2","4","5","9","6","1") = "8"
    & skf18("8","2","4","5","9","7","1") = "8"
    & skf18("8","2","4","5","9","8","1") = "8"
    & skf18("8","2","4","5","9","9","1") = "8"
    & skf18("8","2","4","5","9","10","1") = "9"
    & skf18("8","2","4","5","10","1","1") = "9"
    & skf18("8","2","4","5","10","2","1") = "9"
    & skf18("8","2","4","5","10","3","1") = "9"
    & skf18("8","2","4","5","10","4","1") = "9"
    & skf18("8","2","4","5","10","5","1") = "9"
    & skf18("8","2","4","5","10","6","1") = "9"
    & skf18("8","2","4","5","10","7","1") = "9"
    & skf18("8","2","4","5","10","8","1") = "9"
    & skf18("8","2","4","5","10","9","1") = "9"
    & skf18("8","2","4","5","10","10","1") = "9"
    & skf18("8","2","4","6","1","1","1") = "7"
    & skf18("8","2","4","6","1","2","1") = "7"
    & skf18("8","2","4","6","1","3","1") = "7"
    & skf18("8","2","4","6","1","4","1") = "7"
    & skf18("8","2","4","6","1","5","1") = "7"
    & skf18("8","2","4","6","1","6","1") = "7"
    & skf18("8","2","4","6","1","7","1") = "7"
    & skf18("8","2","4","6","1","8","1") = "7"
    & skf18("8","2","4","6","1","9","1") = "8"
    & skf18("8","2","4","6","1","10","1") = "9"
    & skf18("8","2","4","6","2","1","1") = "7"
    & skf18("8","2","4","6","2","2","1") = "7"
    & skf18("8","2","4","6","2","3","1") = "7"
    & skf18("8","2","4","6","2","4","1") = "7"
    & skf18("8","2","4","6","2","5","1") = "7"
    & skf18("8","2","4","6","2","6","1") = "7"
    & skf18("8","2","4","6","2","7","1") = "7"
    & skf18("8","2","4","6","2","8","1") = "7"
    & skf18("8","2","4","6","2","9","1") = "8"
    & skf18("8","2","4","6","2","10","1") = "9"
    & skf18("8","2","4","6","3","1","1") = "7"
    & skf18("8","2","4","6","3","2","1") = "7"
    & skf18("8","2","4","6","3","3","1") = "7"
    & skf18("8","2","4","6","3","4","1") = "7"
    & skf18("8","2","4","6","3","5","1") = "7"
    & skf18("8","2","4","6","3","6","1") = "7"
    & skf18("8","2","4","6","3","7","1") = "7"
    & skf18("8","2","4","6","3","8","1") = "7"
    & skf18("8","2","4","6","3","9","1") = "8"
    & skf18("8","2","4","6","3","10","1") = "9"
    & skf18("8","2","4","6","4","1","1") = "7"
    & skf18("8","2","4","6","4","2","1") = "7"
    & skf18("8","2","4","6","4","3","1") = "7"
    & skf18("8","2","4","6","4","4","1") = "7"
    & skf18("8","2","4","6","4","5","1") = "7"
    & skf18("8","2","4","6","4","6","1") = "7"
    & skf18("8","2","4","6","4","7","1") = "7"
    & skf18("8","2","4","6","4","8","1") = "7"
    & skf18("8","2","4","6","4","9","1") = "8"
    & skf18("8","2","4","6","4","10","1") = "9"
    & skf18("8","2","4","6","5","1","1") = "7"
    & skf18("8","2","4","6","5","2","1") = "7"
    & skf18("8","2","4","6","5","3","1") = "7"
    & skf18("8","2","4","6","5","4","1") = "7"
    & skf18("8","2","4","6","5","5","1") = "7"
    & skf18("8","2","4","6","5","6","1") = "7"
    & skf18("8","2","4","6","5","7","1") = "7"
    & skf18("8","2","4","6","5","8","1") = "7"
    & skf18("8","2","4","6","5","9","1") = "8"
    & skf18("8","2","4","6","5","10","1") = "9"
    & skf18("8","2","4","6","6","1","1") = "7"
    & skf18("8","2","4","6","6","2","1") = "7"
    & skf18("8","2","4","6","6","3","1") = "7"
    & skf18("8","2","4","6","6","4","1") = "7"
    & skf18("8","2","4","6","6","5","1") = "7"
    & skf18("8","2","4","6","6","6","1") = "7"
    & skf18("8","2","4","6","6","7","1") = "7"
    & skf18("8","2","4","6","6","8","1") = "7"
    & skf18("8","2","4","6","6","9","1") = "8"
    & skf18("8","2","4","6","6","10","1") = "9"
    & skf18("8","2","4","6","7","1","1") = "7"
    & skf18("8","2","4","6","7","2","1") = "7"
    & skf18("8","2","4","6","7","3","1") = "7"
    & skf18("8","2","4","6","7","4","1") = "7"
    & skf18("8","2","4","6","7","5","1") = "7"
    & skf18("8","2","4","6","7","6","1") = "7"
    & skf18("8","2","4","6","7","7","1") = "7"
    & skf18("8","2","4","6","7","8","1") = "7"
    & skf18("8","2","4","6","7","9","1") = "8"
    & skf18("8","2","4","6","7","10","1") = "9"
    & skf18("8","2","4","6","8","1","1") = "7"
    & skf18("8","2","4","6","8","2","1") = "7"
    & skf18("8","2","4","6","8","3","1") = "7"
    & skf18("8","2","4","6","8","4","1") = "7"
    & skf18("8","2","4","6","8","5","1") = "7"
    & skf18("8","2","4","6","8","6","1") = "7"
    & skf18("8","2","4","6","8","7","1") = "7"
    & skf18("8","2","4","6","8","8","1") = "7"
    & skf18("8","2","4","6","8","9","1") = "8"
    & skf18("8","2","4","6","8","10","1") = "9"
    & skf18("8","2","4","6","9","1","1") = "8"
    & skf18("8","2","4","6","9","2","1") = "8"
    & skf18("8","2","4","6","9","3","1") = "8"
    & skf18("8","2","4","6","9","4","1") = "8"
    & skf18("8","2","4","6","9","5","1") = "8"
    & skf18("8","2","4","6","9","6","1") = "8"
    & skf18("8","2","4","6","9","7","1") = "8"
    & skf18("8","2","4","6","9","8","1") = "8"
    & skf18("8","2","4","6","9","9","1") = "8"
    & skf18("8","2","4","6","9","10","1") = "9"
    & skf18("8","2","4","6","10","1","1") = "9"
    & skf18("8","2","4","6","10","2","1") = "9"
    & skf18("8","2","4","6","10","3","1") = "9"
    & skf18("8","2","4","6","10","4","1") = "9"
    & skf18("8","2","4","6","10","5","1") = "9"
    & skf18("8","2","4","6","10","6","1") = "9"
    & skf18("8","2","4","6","10","7","1") = "9"
    & skf18("8","2","4","6","10","8","1") = "9"
    & skf18("8","2","4","6","10","9","1") = "9"
    & skf18("8","2","4","6","10","10","1") = "9"
    & skf18("8","2","4","7","1","1","1") = "7"
    & skf18("8","2","4","7","1","2","1") = "7"
    & skf18("8","2","4","7","1","3","1") = "7"
    & skf18("8","2","4","7","1","4","1") = "7"
    & skf18("8","2","4","7","1","5","1") = "7"
    & skf18("8","2","4","7","1","6","1") = "7"
    & skf18("8","2","4","7","1","7","1") = "7"
    & skf18("8","2","4","7","1","8","1") = "7"
    & skf18("8","2","4","7","1","9","1") = "8"
    & skf18("8","2","4","7","1","10","1") = "9"
    & skf18("8","2","4","7","2","1","1") = "7"
    & skf18("8","2","4","7","2","2","1") = "7"
    & skf18("8","2","4","7","2","3","1") = "7"
    & skf18("8","2","4","7","2","4","1") = "7"
    & skf18("8","2","4","7","2","5","1") = "7"
    & skf18("8","2","4","7","2","6","1") = "7"
    & skf18("8","2","4","7","2","7","1") = "7"
    & skf18("8","2","4","7","2","8","1") = "7"
    & skf18("8","2","4","7","2","9","1") = "8"
    & skf18("8","2","4","7","2","10","1") = "9"
    & skf18("8","2","4","7","3","1","1") = "7"
    & skf18("8","2","4","7","3","2","1") = "7"
    & skf18("8","2","4","7","3","3","1") = "7"
    & skf18("8","2","4","7","3","4","1") = "7"
    & skf18("8","2","4","7","3","5","1") = "7"
    & skf18("8","2","4","7","3","6","1") = "7"
    & skf18("8","2","4","7","3","7","1") = "7"
    & skf18("8","2","4","7","3","8","1") = "7"
    & skf18("8","2","4","7","3","9","1") = "8"
    & skf18("8","2","4","7","3","10","1") = "9"
    & skf18("8","2","4","7","4","1","1") = "7"
    & skf18("8","2","4","7","4","2","1") = "7"
    & skf18("8","2","4","7","4","3","1") = "7"
    & skf18("8","2","4","7","4","4","1") = "7"
    & skf18("8","2","4","7","4","5","1") = "7"
    & skf18("8","2","4","7","4","6","1") = "7"
    & skf18("8","2","4","7","4","7","1") = "7"
    & skf18("8","2","4","7","4","8","1") = "7"
    & skf18("8","2","4","7","4","9","1") = "8"
    & skf18("8","2","4","7","4","10","1") = "9"
    & skf18("8","2","4","7","5","1","1") = "7"
    & skf18("8","2","4","7","5","2","1") = "7"
    & skf18("8","2","4","7","5","3","1") = "7"
    & skf18("8","2","4","7","5","4","1") = "7"
    & skf18("8","2","4","7","5","5","1") = "7"
    & skf18("8","2","4","7","5","6","1") = "7"
    & skf18("8","2","4","7","5","7","1") = "7"
    & skf18("8","2","4","7","5","8","1") = "7"
    & skf18("8","2","4","7","5","9","1") = "8"
    & skf18("8","2","4","7","5","10","1") = "9"
    & skf18("8","2","4","7","6","1","1") = "7"
    & skf18("8","2","4","7","6","2","1") = "7"
    & skf18("8","2","4","7","6","3","1") = "7"
    & skf18("8","2","4","7","6","4","1") = "7"
    & skf18("8","2","4","7","6","5","1") = "7"
    & skf18("8","2","4","7","6","6","1") = "7"
    & skf18("8","2","4","7","6","7","1") = "7"
    & skf18("8","2","4","7","6","8","1") = "7"
    & skf18("8","2","4","7","6","9","1") = "8"
    & skf18("8","2","4","7","6","10","1") = "9"
    & skf18("8","2","4","7","7","1","1") = "7"
    & skf18("8","2","4","7","7","2","1") = "7"
    & skf18("8","2","4","7","7","3","1") = "7"
    & skf18("8","2","4","7","7","4","1") = "7"
    & skf18("8","2","4","7","7","5","1") = "7"
    & skf18("8","2","4","7","7","6","1") = "7"
    & skf18("8","2","4","7","7","7","1") = "7"
    & skf18("8","2","4","7","7","8","1") = "7"
    & skf18("8","2","4","7","7","9","1") = "8"
    & skf18("8","2","4","7","7","10","1") = "9"
    & skf18("8","2","4","7","8","1","1") = "7"
    & skf18("8","2","4","7","8","2","1") = "7"
    & skf18("8","2","4","7","8","3","1") = "7"
    & skf18("8","2","4","7","8","4","1") = "7"
    & skf18("8","2","4","7","8","5","1") = "7"
    & skf18("8","2","4","7","8","6","1") = "7"
    & skf18("8","2","4","7","8","7","1") = "7"
    & skf18("8","2","4","7","8","8","1") = "7"
    & skf18("8","2","4","7","8","9","1") = "8"
    & skf18("8","2","4","7","8","10","1") = "9"
    & skf18("8","2","4","7","9","1","1") = "8"
    & skf18("8","2","4","7","9","2","1") = "8"
    & skf18("8","2","4","7","9","3","1") = "8"
    & skf18("8","2","4","7","9","4","1") = "8"
    & skf18("8","2","4","7","9","5","1") = "8"
    & skf18("8","2","4","7","9","6","1") = "8"
    & skf18("8","2","4","7","9","7","1") = "8"
    & skf18("8","2","4","7","9","8","1") = "8"
    & skf18("8","2","4","7","9","9","1") = "8"
    & skf18("8","2","4","7","9","10","1") = "9"
    & skf18("8","2","4","7","10","1","1") = "9"
    & skf18("8","2","4","7","10","2","1") = "9"
    & skf18("8","2","4","7","10","3","1") = "9"
    & skf18("8","2","4","7","10","4","1") = "9"
    & skf18("8","2","4","7","10","5","1") = "9"
    & skf18("8","2","4","7","10","6","1") = "9"
    & skf18("8","2","4","7","10","7","1") = "9"
    & skf18("8","2","4","7","10","8","1") = "9"
    & skf18("8","2","4","7","10","9","1") = "9"
    & skf18("8","2","4","7","10","10","1") = "9"
    & skf18("8","2","4","8","1","1","1") = "7"
    & skf18("8","2","4","8","1","2","1") = "7"
    & skf18("8","2","4","8","1","3","1") = "7"
    & skf18("8","2","4","8","1","4","1") = "7"
    & skf18("8","2","4","8","1","5","1") = "7"
    & skf18("8","2","4","8","1","6","1") = "7"
    & skf18("8","2","4","8","1","7","1") = "7"
    & skf18("8","2","4","8","1","8","1") = "7"
    & skf18("8","2","4","8","1","9","1") = "8"
    & skf18("8","2","4","8","1","10","1") = "9"
    & skf18("8","2","4","8","2","1","1") = "7"
    & skf18("8","2","4","8","2","2","1") = "7"
    & skf18("8","2","4","8","2","3","1") = "7"
    & skf18("8","2","4","8","2","4","1") = "7"
    & skf18("8","2","4","8","2","5","1") = "7"
    & skf18("8","2","4","8","2","6","1") = "7"
    & skf18("8","2","4","8","2","7","1") = "7"
    & skf18("8","2","4","8","2","8","1") = "7"
    & skf18("8","2","4","8","2","9","1") = "8"
    & skf18("8","2","4","8","2","10","1") = "9"
    & skf18("8","2","4","8","3","1","1") = "7"
    & skf18("8","2","4","8","3","2","1") = "7"
    & skf18("8","2","4","8","3","3","1") = "7"
    & skf18("8","2","4","8","3","4","1") = "7"
    & skf18("8","2","4","8","3","5","1") = "7"
    & skf18("8","2","4","8","3","6","1") = "7"
    & skf18("8","2","4","8","3","7","1") = "7"
    & skf18("8","2","4","8","3","8","1") = "7"
    & skf18("8","2","4","8","3","9","1") = "8"
    & skf18("8","2","4","8","3","10","1") = "9"
    & skf18("8","2","4","8","4","1","1") = "7"
    & skf18("8","2","4","8","4","2","1") = "7"
    & skf18("8","2","4","8","4","3","1") = "7"
    & skf18("8","2","4","8","4","4","1") = "7"
    & skf18("8","2","4","8","4","5","1") = "7"
    & skf18("8","2","4","8","4","6","1") = "7"
    & skf18("8","2","4","8","4","7","1") = "7"
    & skf18("8","2","4","8","4","8","1") = "7"
    & skf18("8","2","4","8","4","9","1") = "8"
    & skf18("8","2","4","8","4","10","1") = "9"
    & skf18("8","2","4","8","5","1","1") = "7"
    & skf18("8","2","4","8","5","2","1") = "7"
    & skf18("8","2","4","8","5","3","1") = "7"
    & skf18("8","2","4","8","5","4","1") = "7"
    & skf18("8","2","4","8","5","5","1") = "7"
    & skf18("8","2","4","8","5","6","1") = "7"
    & skf18("8","2","4","8","5","7","1") = "7"
    & skf18("8","2","4","8","5","8","1") = "7"
    & skf18("8","2","4","8","5","9","1") = "8"
    & skf18("8","2","4","8","5","10","1") = "9"
    & skf18("8","2","4","8","6","1","1") = "7"
    & skf18("8","2","4","8","6","2","1") = "7"
    & skf18("8","2","4","8","6","3","1") = "7"
    & skf18("8","2","4","8","6","4","1") = "7"
    & skf18("8","2","4","8","6","5","1") = "7"
    & skf18("8","2","4","8","6","6","1") = "7"
    & skf18("8","2","4","8","6","7","1") = "7"
    & skf18("8","2","4","8","6","8","1") = "7"
    & skf18("8","2","4","8","6","9","1") = "8"
    & skf18("8","2","4","8","6","10","1") = "9"
    & skf18("8","2","4","8","7","1","1") = "7"
    & skf18("8","2","4","8","7","2","1") = "7"
    & skf18("8","2","4","8","7","3","1") = "7"
    & skf18("8","2","4","8","7","4","1") = "7"
    & skf18("8","2","4","8","7","5","1") = "7"
    & skf18("8","2","4","8","7","6","1") = "7"
    & skf18("8","2","4","8","7","7","1") = "7"
    & skf18("8","2","4","8","7","8","1") = "7"
    & skf18("8","2","4","8","7","9","1") = "8"
    & skf18("8","2","4","8","7","10","1") = "9"
    & skf18("8","2","4","8","8","1","1") = "7"
    & skf18("8","2","4","8","8","2","1") = "7"
    & skf18("8","2","4","8","8","3","1") = "7"
    & skf18("8","2","4","8","8","4","1") = "7"
    & skf18("8","2","4","8","8","5","1") = "7"
    & skf18("8","2","4","8","8","6","1") = "7"
    & skf18("8","2","4","8","8","7","1") = "7"
    & skf18("8","2","4","8","8","8","1") = "7"
    & skf18("8","2","4","8","8","9","1") = "8"
    & skf18("8","2","4","8","8","10","1") = "9"
    & skf18("8","2","4","8","9","1","1") = "8"
    & skf18("8","2","4","8","9","2","1") = "8"
    & skf18("8","2","4","8","9","3","1") = "8"
    & skf18("8","2","4","8","9","4","1") = "8"
    & skf18("8","2","4","8","9","5","1") = "8"
    & skf18("8","2","4","8","9","6","1") = "8"
    & skf18("8","2","4","8","9","7","1") = "8"
    & skf18("8","2","4","8","9","8","1") = "8"
    & skf18("8","2","4","8","9","9","1") = "8"
    & skf18("8","2","4","8","9","10","1") = "9"
    & skf18("8","2","4","8","10","1","1") = "9"
    & skf18("8","2","4","8","10","2","1") = "9"
    & skf18("8","2","4","8","10","3","1") = "9"
    & skf18("8","2","4","8","10","4","1") = "9"
    & skf18("8","2","4","8","10","5","1") = "9"
    & skf18("8","2","4","8","10","6","1") = "9"
    & skf18("8","2","4","8","10","7","1") = "9"
    & skf18("8","2","4","8","10","8","1") = "9"
    & skf18("8","2","4","8","10","9","1") = "9"
    & skf18("8","2","4","8","10","10","1") = "9"
    & skf18("8","2","4","9","1","1","1") = "8"
    & skf18("8","2","4","9","1","2","1") = "8"
    & skf18("8","2","4","9","1","3","1") = "8"
    & skf18("8","2","4","9","1","4","1") = "8"
    & skf18("8","2","4","9","1","5","1") = "8"
    & skf18("8","2","4","9","1","6","1") = "8"
    & skf18("8","2","4","9","1","7","1") = "8"
    & skf18("8","2","4","9","1","8","1") = "8"
    & skf18("8","2","4","9","1","9","1") = "8"
    & skf18("8","2","4","9","1","10","1") = "9"
    & skf18("8","2","4","9","2","1","1") = "8"
    & skf18("8","2","4","9","2","2","1") = "8"
    & skf18("8","2","4","9","2","3","1") = "8"
    & skf18("8","2","4","9","2","4","1") = "8"
    & skf18("8","2","4","9","2","5","1") = "8"
    & skf18("8","2","4","9","2","6","1") = "8"
    & skf18("8","2","4","9","2","7","1") = "8"
    & skf18("8","2","4","9","2","8","1") = "8"
    & skf18("8","2","4","9","2","9","1") = "8"
    & skf18("8","2","4","9","2","10","1") = "9"
    & skf18("8","2","4","9","3","1","1") = "8"
    & skf18("8","2","4","9","3","2","1") = "8"
    & skf18("8","2","4","9","3","3","1") = "8"
    & skf18("8","2","4","9","3","4","1") = "8"
    & skf18("8","2","4","9","3","5","1") = "8"
    & skf18("8","2","4","9","3","6","1") = "8"
    & skf18("8","2","4","9","3","7","1") = "8"
    & skf18("8","2","4","9","3","8","1") = "8"
    & skf18("8","2","4","9","3","9","1") = "8"
    & skf18("8","2","4","9","3","10","1") = "9"
    & skf18("8","2","4","9","4","1","1") = "8"
    & skf18("8","2","4","9","4","2","1") = "8"
    & skf18("8","2","4","9","4","3","1") = "8"
    & skf18("8","2","4","9","4","4","1") = "8"
    & skf18("8","2","4","9","4","5","1") = "8"
    & skf18("8","2","4","9","4","6","1") = "8"
    & skf18("8","2","4","9","4","7","1") = "8"
    & skf18("8","2","4","9","4","8","1") = "8"
    & skf18("8","2","4","9","4","9","1") = "8"
    & skf18("8","2","4","9","4","10","1") = "9"
    & skf18("8","2","4","9","5","1","1") = "8"
    & skf18("8","2","4","9","5","2","1") = "8"
    & skf18("8","2","4","9","5","3","1") = "8"
    & skf18("8","2","4","9","5","4","1") = "8"
    & skf18("8","2","4","9","5","5","1") = "8"
    & skf18("8","2","4","9","5","6","1") = "8"
    & skf18("8","2","4","9","5","7","1") = "8"
    & skf18("8","2","4","9","5","8","1") = "8"
    & skf18("8","2","4","9","5","9","1") = "8"
    & skf18("8","2","4","9","5","10","1") = "9"
    & skf18("8","2","4","9","6","1","1") = "8"
    & skf18("8","2","4","9","6","2","1") = "8"
    & skf18("8","2","4","9","6","3","1") = "8"
    & skf18("8","2","4","9","6","4","1") = "8"
    & skf18("8","2","4","9","6","5","1") = "8"
    & skf18("8","2","4","9","6","6","1") = "8"
    & skf18("8","2","4","9","6","7","1") = "8"
    & skf18("8","2","4","9","6","8","1") = "8"
    & skf18("8","2","4","9","6","9","1") = "8"
    & skf18("8","2","4","9","6","10","1") = "9"
    & skf18("8","2","4","9","7","1","1") = "8"
    & skf18("8","2","4","9","7","2","1") = "8"
    & skf18("8","2","4","9","7","3","1") = "8"
    & skf18("8","2","4","9","7","4","1") = "8"
    & skf18("8","2","4","9","7","5","1") = "8"
    & skf18("8","2","4","9","7","6","1") = "8"
    & skf18("8","2","4","9","7","7","1") = "8"
    & skf18("8","2","4","9","7","8","1") = "8"
    & skf18("8","2","4","9","7","9","1") = "8"
    & skf18("8","2","4","9","7","10","1") = "9"
    & skf18("8","2","4","9","8","1","1") = "8"
    & skf18("8","2","4","9","8","2","1") = "8"
    & skf18("8","2","4","9","8","3","1") = "8"
    & skf18("8","2","4","9","8","4","1") = "8"
    & skf18("8","2","4","9","8","5","1") = "8"
    & skf18("8","2","4","9","8","6","1") = "8"
    & skf18("8","2","4","9","8","7","1") = "8"
    & skf18("8","2","4","9","8","8","1") = "8"
    & skf18("8","2","4","9","8","9","1") = "8"
    & skf18("8","2","4","9","8","10","1") = "9"
    & skf18("8","2","4","9","9","1","1") = "8"
    & skf18("8","2","4","9","9","2","1") = "8"
    & skf18("8","2","4","9","9","3","1") = "8"
    & skf18("8","2","4","9","9","4","1") = "8"
    & skf18("8","2","4","9","9","5","1") = "8"
    & skf18("8","2","4","9","9","6","1") = "8"
    & skf18("8","2","4","9","9","7","1") = "8"
    & skf18("8","2","4","9","9","8","1") = "8"
    & skf18("8","2","4","9","9","9","1") = "8"
    & skf18("8","2","4","9","9","10","1") = "9"
    & skf18("8","2","4","9","10","1","1") = "9"
    & skf18("8","2","4","9","10","2","1") = "9"
    & skf18("8","2","4","9","10","3","1") = "9"
    & skf18("8","2","4","9","10","4","1") = "9"
    & skf18("8","2","4","9","10","5","1") = "9"
    & skf18("8","2","4","9","10","6","1") = "9"
    & skf18("8","2","4","9","10","7","1") = "9"
    & skf18("8","2","4","9","10","8","1") = "9"
    & skf18("8","2","4","9","10","9","1") = "9"
    & skf18("8","2","4","9","10","10","1") = "9"
    & skf18("8","2","4","10","1","1","1") = "9"
    & skf18("8","2","4","10","1","2","1") = "9"
    & skf18("8","2","4","10","1","3","1") = "9"
    & skf18("8","2","4","10","1","4","1") = "9"
    & skf18("8","2","4","10","1","5","1") = "9"
    & skf18("8","2","4","10","1","6","1") = "9"
    & skf18("8","2","4","10","1","7","1") = "9"
    & skf18("8","2","4","10","1","8","1") = "9"
    & skf18("8","2","4","10","1","9","1") = "9"
    & skf18("8","2","4","10","1","10","1") = "9"
    & skf18("8","2","4","10","2","1","1") = "9"
    & skf18("8","2","4","10","2","2","1") = "9"
    & skf18("8","2","4","10","2","3","1") = "9"
    & skf18("8","2","4","10","2","4","1") = "9"
    & skf18("8","2","4","10","2","5","1") = "9"
    & skf18("8","2","4","10","2","6","1") = "9"
    & skf18("8","2","4","10","2","7","1") = "9"
    & skf18("8","2","4","10","2","8","1") = "9"
    & skf18("8","2","4","10","2","9","1") = "9"
    & skf18("8","2","4","10","2","10","1") = "9"
    & skf18("8","2","4","10","3","1","1") = "9"
    & skf18("8","2","4","10","3","2","1") = "9"
    & skf18("8","2","4","10","3","3","1") = "9"
    & skf18("8","2","4","10","3","4","1") = "9"
    & skf18("8","2","4","10","3","5","1") = "9"
    & skf18("8","2","4","10","3","6","1") = "9"
    & skf18("8","2","4","10","3","7","1") = "9"
    & skf18("8","2","4","10","3","8","1") = "9"
    & skf18("8","2","4","10","3","9","1") = "9"
    & skf18("8","2","4","10","3","10","1") = "9"
    & skf18("8","2","4","10","4","1","1") = "9"
    & skf18("8","2","4","10","4","2","1") = "9"
    & skf18("8","2","4","10","4","3","1") = "9"
    & skf18("8","2","4","10","4","4","1") = "9"
    & skf18("8","2","4","10","4","5","1") = "9"
    & skf18("8","2","4","10","4","6","1") = "9"
    & skf18("8","2","4","10","4","7","1") = "9"
    & skf18("8","2","4","10","4","8","1") = "9"
    & skf18("8","2","4","10","4","9","1") = "9"
    & skf18("8","2","4","10","4","10","1") = "9"
    & skf18("8","2","4","10","5","1","1") = "9"
    & skf18("8","2","4","10","5","2","1") = "9"
    & skf18("8","2","4","10","5","3","1") = "9"
    & skf18("8","2","4","10","5","4","1") = "9"
    & skf18("8","2","4","10","5","5","1") = "9"
    & skf18("8","2","4","10","5","6","1") = "9"
    & skf18("8","2","4","10","5","7","1") = "9"
    & skf18("8","2","4","10","5","8","1") = "9"
    & skf18("8","2","4","10","5","9","1") = "9"
    & skf18("8","2","4","10","5","10","1") = "9"
    & skf18("8","2","4","10","6","1","1") = "9"
    & skf18("8","2","4","10","6","2","1") = "9"
    & skf18("8","2","4","10","6","3","1") = "9"
    & skf18("8","2","4","10","6","4","1") = "9"
    & skf18("8","2","4","10","6","5","1") = "9"
    & skf18("8","2","4","10","6","6","1") = "9"
    & skf18("8","2","4","10","6","7","1") = "9"
    & skf18("8","2","4","10","6","8","1") = "9"
    & skf18("8","2","4","10","6","9","1") = "9"
    & skf18("8","2","4","10","6","10","1") = "9"
    & skf18("8","2","4","10","7","1","1") = "9"
    & skf18("8","2","4","10","7","2","1") = "9"
    & skf18("8","2","4","10","7","3","1") = "9"
    & skf18("8","2","4","10","7","4","1") = "9"
    & skf18("8","2","4","10","7","5","1") = "9"
    & skf18("8","2","4","10","7","6","1") = "9"
    & skf18("8","2","4","10","7","7","1") = "9"
    & skf18("8","2","4","10","7","8","1") = "9"
    & skf18("8","2","4","10","7","9","1") = "9"
    & skf18("8","2","4","10","7","10","1") = "9"
    & skf18("8","2","4","10","8","1","1") = "9"
    & skf18("8","2","4","10","8","2","1") = "9"
    & skf18("8","2","4","10","8","3","1") = "9"
    & skf18("8","2","4","10","8","4","1") = "9"
    & skf18("8","2","4","10","8","5","1") = "9"
    & skf18("8","2","4","10","8","6","1") = "9"
    & skf18("8","2","4","10","8","7","1") = "9"
    & skf18("8","2","4","10","8","8","1") = "9"
    & skf18("8","2","4","10","8","9","1") = "9"
    & skf18("8","2","4","10","8","10","1") = "9"
    & skf18("8","2","4","10","9","1","1") = "9"
    & skf18("8","2","4","10","9","2","1") = "9"
    & skf18("8","2","4","10","9","3","1") = "9"
    & skf18("8","2","4","10","9","4","1") = "9"
    & skf18("8","2","4","10","9","5","1") = "9"
    & skf18("8","2","4","10","9","6","1") = "9"
    & skf18("8","2","4","10","9","7","1") = "9"
    & skf18("8","2","4","10","9","8","1") = "9"
    & skf18("8","2","4","10","9","9","1") = "9"
    & skf18("8","2","4","10","9","10","1") = "9"
    & skf18("8","2","4","10","10","1","1") = "9"
    & skf18("8","2","4","10","10","2","1") = "9"
    & skf18("8","2","4","10","10","3","1") = "9"
    & skf18("8","2","4","10","10","4","1") = "9"
    & skf18("8","2","4","10","10","5","1") = "9"
    & skf18("8","2","4","10","10","6","1") = "9"
    & skf18("8","2","4","10","10","7","1") = "9"
    & skf18("8","2","4","10","10","8","1") = "9"
    & skf18("8","2","4","10","10","9","1") = "9"
    & skf18("8","2","4","10","10","10","1") = "9"
    & skf18("8","2","5","1","1","1","1") = "7"
    & skf18("8","2","5","1","1","2","1") = "7"
    & skf18("8","2","5","1","1","3","1") = "7"
    & skf18("8","2","5","1","1","4","1") = "7"
    & skf18("8","2","5","1","1","5","1") = "7"
    & skf18("8","2","5","1","1","6","1") = "7"
    & skf18("8","2","5","1","1","7","1") = "7"
    & skf18("8","2","5","1","1","8","1") = "7"
    & skf18("8","2","5","1","1","9","1") = "8"
    & skf18("8","2","5","1","1","10","1") = "9"
    & skf18("8","2","5","1","2","1","1") = "7"
    & skf18("8","2","5","1","2","2","1") = "7"
    & skf18("8","2","5","1","2","3","1") = "7"
    & skf18("8","2","5","1","2","4","1") = "7"
    & skf18("8","2","5","1","2","5","1") = "7"
    & skf18("8","2","5","1","2","6","1") = "7"
    & skf18("8","2","5","1","2","7","1") = "7"
    & skf18("8","2","5","1","2","8","1") = "7"
    & skf18("8","2","5","1","2","9","1") = "8"
    & skf18("8","2","5","1","2","10","1") = "9"
    & skf18("8","2","5","1","3","1","1") = "7"
    & skf18("8","2","5","1","3","2","1") = "7"
    & skf18("8","2","5","1","3","3","1") = "7"
    & skf18("8","2","5","1","3","4","1") = "7"
    & skf18("8","2","5","1","3","5","1") = "7"
    & skf18("8","2","5","1","3","6","1") = "7"
    & skf18("8","2","5","1","3","7","1") = "7"
    & skf18("8","2","5","1","3","8","1") = "7"
    & skf18("8","2","5","1","3","9","1") = "8"
    & skf18("8","2","5","1","3","10","1") = "9"
    & skf18("8","2","5","1","4","1","1") = "7"
    & skf18("8","2","5","1","4","2","1") = "7"
    & skf18("8","2","5","1","4","3","1") = "7"
    & skf18("8","2","5","1","4","4","1") = "7"
    & skf18("8","2","5","1","4","5","1") = "7"
    & skf18("8","2","5","1","4","6","1") = "7"
    & skf18("8","2","5","1","4","7","1") = "7"
    & skf18("8","2","5","1","4","8","1") = "7"
    & skf18("8","2","5","1","4","9","1") = "8"
    & skf18("8","2","5","1","4","10","1") = "9"
    & skf18("8","2","5","1","5","1","1") = "7"
    & skf18("8","2","5","1","5","2","1") = "7"
    & skf18("8","2","5","1","5","3","1") = "7"
    & skf18("8","2","5","1","5","4","1") = "7"
    & skf18("8","2","5","1","5","5","1") = "7"
    & skf18("8","2","5","1","5","6","1") = "7"
    & skf18("8","2","5","1","5","7","1") = "7"
    & skf18("8","2","5","1","5","8","1") = "7"
    & skf18("8","2","5","1","5","9","1") = "8"
    & skf18("8","2","5","1","5","10","1") = "9"
    & skf18("8","2","5","1","6","1","1") = "7"
    & skf18("8","2","5","1","6","2","1") = "7"
    & skf18("8","2","5","1","6","3","1") = "7"
    & skf18("8","2","5","1","6","4","1") = "7"
    & skf18("8","2","5","1","6","5","1") = "7"
    & skf18("8","2","5","1","6","6","1") = "7"
    & skf18("8","2","5","1","6","7","1") = "7"
    & skf18("8","2","5","1","6","8","1") = "7"
    & skf18("8","2","5","1","6","9","1") = "8"
    & skf18("8","2","5","1","6","10","1") = "9"
    & skf18("8","2","5","1","7","1","1") = "7"
    & skf18("8","2","5","1","7","2","1") = "7"
    & skf18("8","2","5","1","7","3","1") = "7"
    & skf18("8","2","5","1","7","4","1") = "7"
    & skf18("8","2","5","1","7","5","1") = "7"
    & skf18("8","2","5","1","7","6","1") = "7"
    & skf18("8","2","5","1","7","7","1") = "7"
    & skf18("8","2","5","1","7","8","1") = "7"
    & skf18("8","2","5","1","7","9","1") = "8"
    & skf18("8","2","5","1","7","10","1") = "9"
    & skf18("8","2","5","1","8","1","1") = "7"
    & skf18("8","2","5","1","8","2","1") = "7"
    & skf18("8","2","5","1","8","3","1") = "7"
    & skf18("8","2","5","1","8","4","1") = "7"
    & skf18("8","2","5","1","8","5","1") = "7"
    & skf18("8","2","5","1","8","6","1") = "7"
    & skf18("8","2","5","1","8","7","1") = "7"
    & skf18("8","2","5","1","8","8","1") = "7"
    & skf18("8","2","5","1","8","9","1") = "8"
    & skf18("8","2","5","1","8","10","1") = "9"
    & skf18("8","2","5","1","9","1","1") = "8"
    & skf18("8","2","5","1","9","2","1") = "8"
    & skf18("8","2","5","1","9","3","1") = "8"
    & skf18("8","2","5","1","9","4","1") = "8"
    & skf18("8","2","5","1","9","5","1") = "8"
    & skf18("8","2","5","1","9","6","1") = "8"
    & skf18("8","2","5","1","9","7","1") = "8"
    & skf18("8","2","5","1","9","8","1") = "8"
    & skf18("8","2","5","1","9","9","1") = "8"
    & skf18("8","2","5","1","9","10","1") = "9"
    & skf18("8","2","5","1","10","1","1") = "9"
    & skf18("8","2","5","1","10","2","1") = "9"
    & skf18("8","2","5","1","10","3","1") = "9"
    & skf18("8","2","5","1","10","4","1") = "9"
    & skf18("8","2","5","1","10","5","1") = "9"
    & skf18("8","2","5","1","10","6","1") = "9"
    & skf18("8","2","5","1","10","7","1") = "9"
    & skf18("8","2","5","1","10","8","1") = "9"
    & skf18("8","2","5","1","10","9","1") = "9"
    & skf18("8","2","5","1","10","10","1") = "9"
    & skf18("8","2","5","2","1","1","1") = "7"
    & skf18("8","2","5","2","1","2","1") = "7"
    & skf18("8","2","5","2","1","3","1") = "7"
    & skf18("8","2","5","2","1","4","1") = "7"
    & skf18("8","2","5","2","1","5","1") = "7"
    & skf18("8","2","5","2","1","6","1") = "7"
    & skf18("8","2","5","2","1","7","1") = "7"
    & skf18("8","2","5","2","1","8","1") = "7"
    & skf18("8","2","5","2","1","9","1") = "8"
    & skf18("8","2","5","2","1","10","1") = "9"
    & skf18("8","2","5","2","2","1","1") = "7"
    & skf18("8","2","5","2","2","2","1") = "7"
    & skf18("8","2","5","2","2","3","1") = "7"
    & skf18("8","2","5","2","2","4","1") = "7"
    & skf18("8","2","5","2","2","5","1") = "7"
    & skf18("8","2","5","2","2","6","1") = "7"
    & skf18("8","2","5","2","2","7","1") = "7"
    & skf18("8","2","5","2","2","8","1") = "7"
    & skf18("8","2","5","2","2","9","1") = "8"
    & skf18("8","2","5","2","2","10","1") = "9"
    & skf18("8","2","5","2","3","1","1") = "7"
    & skf18("8","2","5","2","3","2","1") = "7"
    & skf18("8","2","5","2","3","3","1") = "7"
    & skf18("8","2","5","2","3","4","1") = "7"
    & skf18("8","2","5","2","3","5","1") = "7"
    & skf18("8","2","5","2","3","6","1") = "7"
    & skf18("8","2","5","2","3","7","1") = "7"
    & skf18("8","2","5","2","3","8","1") = "7"
    & skf18("8","2","5","2","3","9","1") = "8"
    & skf18("8","2","5","2","3","10","1") = "9"
    & skf18("8","2","5","2","4","1","1") = "7"
    & skf18("8","2","5","2","4","2","1") = "7"
    & skf18("8","2","5","2","4","3","1") = "7"
    & skf18("8","2","5","2","4","4","1") = "7"
    & skf18("8","2","5","2","4","5","1") = "7"
    & skf18("8","2","5","2","4","6","1") = "7"
    & skf18("8","2","5","2","4","7","1") = "7"
    & skf18("8","2","5","2","4","8","1") = "7"
    & skf18("8","2","5","2","4","9","1") = "8"
    & skf18("8","2","5","2","4","10","1") = "9"
    & skf18("8","2","5","2","5","1","1") = "7"
    & skf18("8","2","5","2","5","2","1") = "7"
    & skf18("8","2","5","2","5","3","1") = "7"
    & skf18("8","2","5","2","5","4","1") = "7"
    & skf18("8","2","5","2","5","5","1") = "7"
    & skf18("8","2","5","2","5","6","1") = "7"
    & skf18("8","2","5","2","5","7","1") = "7"
    & skf18("8","2","5","2","5","8","1") = "7"
    & skf18("8","2","5","2","5","9","1") = "8"
    & skf18("8","2","5","2","5","10","1") = "9"
    & skf18("8","2","5","2","6","1","1") = "7"
    & skf18("8","2","5","2","6","2","1") = "7"
    & skf18("8","2","5","2","6","3","1") = "7"
    & skf18("8","2","5","2","6","4","1") = "7"
    & skf18("8","2","5","2","6","5","1") = "7"
    & skf18("8","2","5","2","6","6","1") = "7"
    & skf18("8","2","5","2","6","7","1") = "7"
    & skf18("8","2","5","2","6","8","1") = "7"
    & skf18("8","2","5","2","6","9","1") = "8"
    & skf18("8","2","5","2","6","10","1") = "9"
    & skf18("8","2","5","2","7","1","1") = "7"
    & skf18("8","2","5","2","7","2","1") = "7"
    & skf18("8","2","5","2","7","3","1") = "7"
    & skf18("8","2","5","2","7","4","1") = "7"
    & skf18("8","2","5","2","7","5","1") = "7"
    & skf18("8","2","5","2","7","6","1") = "7"
    & skf18("8","2","5","2","7","7","1") = "7"
    & skf18("8","2","5","2","7","8","1") = "7"
    & skf18("8","2","5","2","7","9","1") = "8"
    & skf18("8","2","5","2","7","10","1") = "9"
    & skf18("8","2","5","2","8","1","1") = "7"
    & skf18("8","2","5","2","8","2","1") = "7"
    & skf18("8","2","5","2","8","3","1") = "7"
    & skf18("8","2","5","2","8","4","1") = "7"
    & skf18("8","2","5","2","8","5","1") = "7"
    & skf18("8","2","5","2","8","6","1") = "7"
    & skf18("8","2","5","2","8","7","1") = "7"
    & skf18("8","2","5","2","8","8","1") = "7"
    & skf18("8","2","5","2","8","9","1") = "8"
    & skf18("8","2","5","2","8","10","1") = "9"
    & skf18("8","2","5","2","9","1","1") = "8"
    & skf18("8","2","5","2","9","2","1") = "8"
    & skf18("8","2","5","2","9","3","1") = "8"
    & skf18("8","2","5","2","9","4","1") = "8"
    & skf18("8","2","5","2","9","5","1") = "8"
    & skf18("8","2","5","2","9","6","1") = "8"
    & skf18("8","2","5","2","9","7","1") = "8"
    & skf18("8","2","5","2","9","8","1") = "8"
    & skf18("8","2","5","2","9","9","1") = "8"
    & skf18("8","2","5","2","9","10","1") = "9"
    & skf18("8","2","5","2","10","1","1") = "9"
    & skf18("8","2","5","2","10","2","1") = "9"
    & skf18("8","2","5","2","10","3","1") = "9"
    & skf18("8","2","5","2","10","4","1") = "9"
    & skf18("8","2","5","2","10","5","1") = "9"
    & skf18("8","2","5","2","10","6","1") = "9"
    & skf18("8","2","5","2","10","7","1") = "9"
    & skf18("8","2","5","2","10","8","1") = "9"
    & skf18("8","2","5","2","10","9","1") = "9"
    & skf18("8","2","5","2","10","10","1") = "9"
    & skf18("8","2","5","3","1","1","1") = "7"
    & skf18("8","2","5","3","1","2","1") = "7"
    & skf18("8","2","5","3","1","3","1") = "7"
    & skf18("8","2","5","3","1","4","1") = "7"
    & skf18("8","2","5","3","1","5","1") = "7"
    & skf18("8","2","5","3","1","6","1") = "7"
    & skf18("8","2","5","3","1","7","1") = "7"
    & skf18("8","2","5","3","1","8","1") = "7"
    & skf18("8","2","5","3","1","9","1") = "8"
    & skf18("8","2","5","3","1","10","1") = "9"
    & skf18("8","2","5","3","2","1","1") = "7"
    & skf18("8","2","5","3","2","2","1") = "7"
    & skf18("8","2","5","3","2","3","1") = "7"
    & skf18("8","2","5","3","2","4","1") = "7"
    & skf18("8","2","5","3","2","5","1") = "7"
    & skf18("8","2","5","3","2","6","1") = "7"
    & skf18("8","2","5","3","2","7","1") = "7"
    & skf18("8","2","5","3","2","8","1") = "7"
    & skf18("8","2","5","3","2","9","1") = "8"
    & skf18("8","2","5","3","2","10","1") = "9"
    & skf18("8","2","5","3","3","1","1") = "7"
    & skf18("8","2","5","3","3","2","1") = "7"
    & skf18("8","2","5","3","3","3","1") = "7"
    & skf18("8","2","5","3","3","4","1") = "7"
    & skf18("8","2","5","3","3","5","1") = "7"
    & skf18("8","2","5","3","3","6","1") = "7"
    & skf18("8","2","5","3","3","7","1") = "7"
    & skf18("8","2","5","3","3","8","1") = "7"
    & skf18("8","2","5","3","3","9","1") = "8"
    & skf18("8","2","5","3","3","10","1") = "9"
    & skf18("8","2","5","3","4","1","1") = "7"
    & skf18("8","2","5","3","4","2","1") = "7"
    & skf18("8","2","5","3","4","3","1") = "7"
    & skf18("8","2","5","3","4","4","1") = "7"
    & skf18("8","2","5","3","4","5","1") = "7"
    & skf18("8","2","5","3","4","6","1") = "7"
    & skf18("8","2","5","3","4","7","1") = "7"
    & skf18("8","2","5","3","4","8","1") = "7"
    & skf18("8","2","5","3","4","9","1") = "8"
    & skf18("8","2","5","3","4","10","1") = "9"
    & skf18("8","2","5","3","5","1","1") = "7"
    & skf18("8","2","5","3","5","2","1") = "7"
    & skf18("8","2","5","3","5","3","1") = "7"
    & skf18("8","2","5","3","5","4","1") = "7"
    & skf18("8","2","5","3","5","5","1") = "7"
    & skf18("8","2","5","3","5","6","1") = "7"
    & skf18("8","2","5","3","5","7","1") = "7"
    & skf18("8","2","5","3","5","8","1") = "7"
    & skf18("8","2","5","3","5","9","1") = "8"
    & skf18("8","2","5","3","5","10","1") = "9"
    & skf18("8","2","5","3","6","1","1") = "7"
    & skf18("8","2","5","3","6","2","1") = "7"
    & skf18("8","2","5","3","6","3","1") = "7"
    & skf18("8","2","5","3","6","4","1") = "7"
    & skf18("8","2","5","3","6","5","1") = "7"
    & skf18("8","2","5","3","6","6","1") = "7"
    & skf18("8","2","5","3","6","7","1") = "7"
    & skf18("8","2","5","3","6","8","1") = "7"
    & skf18("8","2","5","3","6","9","1") = "8"
    & skf18("8","2","5","3","6","10","1") = "9"
    & skf18("8","2","5","3","7","1","1") = "7"
    & skf18("8","2","5","3","7","2","1") = "7"
    & skf18("8","2","5","3","7","3","1") = "7"
    & skf18("8","2","5","3","7","4","1") = "7"
    & skf18("8","2","5","3","7","5","1") = "7"
    & skf18("8","2","5","3","7","6","1") = "7"
    & skf18("8","2","5","3","7","7","1") = "7"
    & skf18("8","2","5","3","7","8","1") = "7"
    & skf18("8","2","5","3","7","9","1") = "8"
    & skf18("8","2","5","3","7","10","1") = "9"
    & skf18("8","2","5","3","8","1","1") = "7"
    & skf18("8","2","5","3","8","2","1") = "7"
    & skf18("8","2","5","3","8","3","1") = "7"
    & skf18("8","2","5","3","8","4","1") = "7"
    & skf18("8","2","5","3","8","5","1") = "7"
    & skf18("8","2","5","3","8","6","1") = "7"
    & skf18("8","2","5","3","8","7","1") = "7"
    & skf18("8","2","5","3","8","8","1") = "7"
    & skf18("8","2","5","3","8","9","1") = "8"
    & skf18("8","2","5","3","8","10","1") = "9"
    & skf18("8","2","5","3","9","1","1") = "8"
    & skf18("8","2","5","3","9","2","1") = "8"
    & skf18("8","2","5","3","9","3","1") = "8"
    & skf18("8","2","5","3","9","4","1") = "8"
    & skf18("8","2","5","3","9","5","1") = "8"
    & skf18("8","2","5","3","9","6","1") = "8"
    & skf18("8","2","5","3","9","7","1") = "8"
    & skf18("8","2","5","3","9","8","1") = "8"
    & skf18("8","2","5","3","9","9","1") = "8"
    & skf18("8","2","5","3","9","10","1") = "9"
    & skf18("8","2","5","3","10","1","1") = "9"
    & skf18("8","2","5","3","10","2","1") = "9"
    & skf18("8","2","5","3","10","3","1") = "9"
    & skf18("8","2","5","3","10","4","1") = "9"
    & skf18("8","2","5","3","10","5","1") = "9"
    & skf18("8","2","5","3","10","6","1") = "9"
    & skf18("8","2","5","3","10","7","1") = "9"
    & skf18("8","2","5","3","10","8","1") = "9"
    & skf18("8","2","5","3","10","9","1") = "9"
    & skf18("8","2","5","3","10","10","1") = "9"
    & skf18("8","2","5","4","1","1","1") = "7"
    & skf18("8","2","5","4","1","2","1") = "7"
    & skf18("8","2","5","4","1","3","1") = "7"
    & skf18("8","2","5","4","1","4","1") = "7"
    & skf18("8","2","5","4","1","5","1") = "7"
    & skf18("8","2","5","4","1","6","1") = "7"
    & skf18("8","2","5","4","1","7","1") = "7"
    & skf18("8","2","5","4","1","8","1") = "7"
    & skf18("8","2","5","4","1","9","1") = "8"
    & skf18("8","2","5","4","1","10","1") = "9"
    & skf18("8","2","5","4","2","1","1") = "7"
    & skf18("8","2","5","4","2","2","1") = "7"
    & skf18("8","2","5","4","2","3","1") = "7"
    & skf18("8","2","5","4","2","4","1") = "7"
    & skf18("8","2","5","4","2","5","1") = "7"
    & skf18("8","2","5","4","2","6","1") = "7"
    & skf18("8","2","5","4","2","7","1") = "7"
    & skf18("8","2","5","4","2","8","1") = "7"
    & skf18("8","2","5","4","2","9","1") = "8"
    & skf18("8","2","5","4","2","10","1") = "9"
    & skf18("8","2","5","4","3","1","1") = "7"
    & skf18("8","2","5","4","3","2","1") = "7"
    & skf18("8","2","5","4","3","3","1") = "7"
    & skf18("8","2","5","4","3","4","1") = "7"
    & skf18("8","2","5","4","3","5","1") = "7"
    & skf18("8","2","5","4","3","6","1") = "7"
    & skf18("8","2","5","4","3","7","1") = "7"
    & skf18("8","2","5","4","3","8","1") = "7"
    & skf18("8","2","5","4","3","9","1") = "8"
    & skf18("8","2","5","4","3","10","1") = "9"
    & skf18("8","2","5","4","4","1","1") = "7"
    & skf18("8","2","5","4","4","2","1") = "7"
    & skf18("8","2","5","4","4","3","1") = "7"
    & skf18("8","2","5","4","4","4","1") = "7"
    & skf18("8","2","5","4","4","5","1") = "7"
    & skf18("8","2","5","4","4","6","1") = "7"
    & skf18("8","2","5","4","4","7","1") = "7"
    & skf18("8","2","5","4","4","8","1") = "7"
    & skf18("8","2","5","4","4","9","1") = "8"
    & skf18("8","2","5","4","4","10","1") = "9"
    & skf18("8","2","5","4","5","1","1") = "7"
    & skf18("8","2","5","4","5","2","1") = "7"
    & skf18("8","2","5","4","5","3","1") = "7"
    & skf18("8","2","5","4","5","4","1") = "7"
    & skf18("8","2","5","4","5","5","1") = "7"
    & skf18("8","2","5","4","5","6","1") = "7"
    & skf18("8","2","5","4","5","7","1") = "7"
    & skf18("8","2","5","4","5","8","1") = "7"
    & skf18("8","2","5","4","5","9","1") = "8"
    & skf18("8","2","5","4","5","10","1") = "9"
    & skf18("8","2","5","4","6","1","1") = "7"
    & skf18("8","2","5","4","6","2","1") = "7"
    & skf18("8","2","5","4","6","3","1") = "7"
    & skf18("8","2","5","4","6","4","1") = "7"
    & skf18("8","2","5","4","6","5","1") = "7"
    & skf18("8","2","5","4","6","6","1") = "7"
    & skf18("8","2","5","4","6","7","1") = "7"
    & skf18("8","2","5","4","6","8","1") = "7"
    & skf18("8","2","5","4","6","9","1") = "8"
    & skf18("8","2","5","4","6","10","1") = "9"
    & skf18("8","2","5","4","7","1","1") = "7"
    & skf18("8","2","5","4","7","2","1") = "7"
    & skf18("8","2","5","4","7","3","1") = "7"
    & skf18("8","2","5","4","7","4","1") = "7"
    & skf18("8","2","5","4","7","5","1") = "7"
    & skf18("8","2","5","4","7","6","1") = "7"
    & skf18("8","2","5","4","7","7","1") = "7"
    & skf18("8","2","5","4","7","8","1") = "7"
    & skf18("8","2","5","4","7","9","1") = "8"
    & skf18("8","2","5","4","7","10","1") = "9"
    & skf18("8","2","5","4","8","1","1") = "7"
    & skf18("8","2","5","4","8","2","1") = "7"
    & skf18("8","2","5","4","8","3","1") = "7"
    & skf18("8","2","5","4","8","4","1") = "7"
    & skf18("8","2","5","4","8","5","1") = "7"
    & skf18("8","2","5","4","8","6","1") = "7"
    & skf18("8","2","5","4","8","7","1") = "7"
    & skf18("8","2","5","4","8","8","1") = "7"
    & skf18("8","2","5","4","8","9","1") = "8"
    & skf18("8","2","5","4","8","10","1") = "9"
    & skf18("8","2","5","4","9","1","1") = "8"
    & skf18("8","2","5","4","9","2","1") = "8"
    & skf18("8","2","5","4","9","3","1") = "8"
    & skf18("8","2","5","4","9","4","1") = "8"
    & skf18("8","2","5","4","9","5","1") = "8"
    & skf18("8","2","5","4","9","6","1") = "8"
    & skf18("8","2","5","4","9","7","1") = "8"
    & skf18("8","2","5","4","9","8","1") = "8"
    & skf18("8","2","5","4","9","9","1") = "8"
    & skf18("8","2","5","4","9","10","1") = "9"
    & skf18("8","2","5","4","10","1","1") = "9"
    & skf18("8","2","5","4","10","2","1") = "9"
    & skf18("8","2","5","4","10","3","1") = "9"
    & skf18("8","2","5","4","10","4","1") = "9"
    & skf18("8","2","5","4","10","5","1") = "9"
    & skf18("8","2","5","4","10","6","1") = "9"
    & skf18("8","2","5","4","10","7","1") = "9"
    & skf18("8","2","5","4","10","8","1") = "9"
    & skf18("8","2","5","4","10","9","1") = "9"
    & skf18("8","2","5","4","10","10","1") = "9"
    & skf18("8","2","5","5","1","1","1") = "7"
    & skf18("8","2","5","5","1","2","1") = "7"
    & skf18("8","2","5","5","1","3","1") = "7"
    & skf18("8","2","5","5","1","4","1") = "7"
    & skf18("8","2","5","5","1","5","1") = "7"
    & skf18("8","2","5","5","1","6","1") = "7"
    & skf18("8","2","5","5","1","7","1") = "7"
    & skf18("8","2","5","5","1","8","1") = "7"
    & skf18("8","2","5","5","1","9","1") = "8"
    & skf18("8","2","5","5","1","10","1") = "9"
    & skf18("8","2","5","5","2","1","1") = "7"
    & skf18("8","2","5","5","2","2","1") = "7"
    & skf18("8","2","5","5","2","3","1") = "7"
    & skf18("8","2","5","5","2","4","1") = "7"
    & skf18("8","2","5","5","2","5","1") = "7"
    & skf18("8","2","5","5","2","6","1") = "7"
    & skf18("8","2","5","5","2","7","1") = "7"
    & skf18("8","2","5","5","2","8","1") = "7"
    & skf18("8","2","5","5","2","9","1") = "8"
    & skf18("8","2","5","5","2","10","1") = "9"
    & skf18("8","2","5","5","3","1","1") = "7"
    & skf18("8","2","5","5","3","2","1") = "7"
    & skf18("8","2","5","5","3","3","1") = "7"
    & skf18("8","2","5","5","3","4","1") = "7"
    & skf18("8","2","5","5","3","5","1") = "7"
    & skf18("8","2","5","5","3","6","1") = "7"
    & skf18("8","2","5","5","3","7","1") = "7"
    & skf18("8","2","5","5","3","8","1") = "7"
    & skf18("8","2","5","5","3","9","1") = "8"
    & skf18("8","2","5","5","3","10","1") = "9"
    & skf18("8","2","5","5","4","1","1") = "7"
    & skf18("8","2","5","5","4","2","1") = "7"
    & skf18("8","2","5","5","4","3","1") = "7"
    & skf18("8","2","5","5","4","4","1") = "7"
    & skf18("8","2","5","5","4","5","1") = "7"
    & skf18("8","2","5","5","4","6","1") = "7"
    & skf18("8","2","5","5","4","7","1") = "7"
    & skf18("8","2","5","5","4","8","1") = "7"
    & skf18("8","2","5","5","4","9","1") = "8"
    & skf18("8","2","5","5","4","10","1") = "9"
    & skf18("8","2","5","5","5","1","1") = "7"
    & skf18("8","2","5","5","5","2","1") = "7"
    & skf18("8","2","5","5","5","3","1") = "7"
    & skf18("8","2","5","5","5","4","1") = "7"
    & skf18("8","2","5","5","5","5","1") = "7"
    & skf18("8","2","5","5","5","6","1") = "7"
    & skf18("8","2","5","5","5","7","1") = "7"
    & skf18("8","2","5","5","5","8","1") = "7"
    & skf18("8","2","5","5","5","9","1") = "8"
    & skf18("8","2","5","5","5","10","1") = "9"
    & skf18("8","2","5","5","6","1","1") = "7"
    & skf18("8","2","5","5","6","2","1") = "7"
    & skf18("8","2","5","5","6","3","1") = "7"
    & skf18("8","2","5","5","6","4","1") = "7"
    & skf18("8","2","5","5","6","5","1") = "7"
    & skf18("8","2","5","5","6","6","1") = "7"
    & skf18("8","2","5","5","6","7","1") = "7"
    & skf18("8","2","5","5","6","8","1") = "7"
    & skf18("8","2","5","5","6","9","1") = "8"
    & skf18("8","2","5","5","6","10","1") = "9"
    & skf18("8","2","5","5","7","1","1") = "7"
    & skf18("8","2","5","5","7","2","1") = "7"
    & skf18("8","2","5","5","7","3","1") = "7"
    & skf18("8","2","5","5","7","4","1") = "7"
    & skf18("8","2","5","5","7","5","1") = "7"
    & skf18("8","2","5","5","7","6","1") = "7"
    & skf18("8","2","5","5","7","7","1") = "7"
    & skf18("8","2","5","5","7","8","1") = "7"
    & skf18("8","2","5","5","7","9","1") = "8"
    & skf18("8","2","5","5","7","10","1") = "9"
    & skf18("8","2","5","5","8","1","1") = "7"
    & skf18("8","2","5","5","8","2","1") = "7"
    & skf18("8","2","5","5","8","3","1") = "7"
    & skf18("8","2","5","5","8","4","1") = "7"
    & skf18("8","2","5","5","8","5","1") = "7"
    & skf18("8","2","5","5","8","6","1") = "7"
    & skf18("8","2","5","5","8","7","1") = "7"
    & skf18("8","2","5","5","8","8","1") = "7"
    & skf18("8","2","5","5","8","9","1") = "8"
    & skf18("8","2","5","5","8","10","1") = "9"
    & skf18("8","2","5","5","9","1","1") = "8"
    & skf18("8","2","5","5","9","2","1") = "8"
    & skf18("8","2","5","5","9","3","1") = "8"
    & skf18("8","2","5","5","9","4","1") = "8"
    & skf18("8","2","5","5","9","5","1") = "8"
    & skf18("8","2","5","5","9","6","1") = "8"
    & skf18("8","2","5","5","9","7","1") = "8"
    & skf18("8","2","5","5","9","8","1") = "8"
    & skf18("8","2","5","5","9","9","1") = "8"
    & skf18("8","2","5","5","9","10","1") = "9"
    & skf18("8","2","5","5","10","1","1") = "9"
    & skf18("8","2","5","5","10","2","1") = "9"
    & skf18("8","2","5","5","10","3","1") = "9"
    & skf18("8","2","5","5","10","4","1") = "9"
    & skf18("8","2","5","5","10","5","1") = "9"
    & skf18("8","2","5","5","10","6","1") = "9"
    & skf18("8","2","5","5","10","7","1") = "9"
    & skf18("8","2","5","5","10","8","1") = "9"
    & skf18("8","2","5","5","10","9","1") = "9"
    & skf18("8","2","5","5","10","10","1") = "9"
    & skf18("8","2","5","6","1","1","1") = "7"
    & skf18("8","2","5","6","1","2","1") = "7"
    & skf18("8","2","5","6","1","3","1") = "7"
    & skf18("8","2","5","6","1","4","1") = "7"
    & skf18("8","2","5","6","1","5","1") = "7"
    & skf18("8","2","5","6","1","6","1") = "7"
    & skf18("8","2","5","6","1","7","1") = "7"
    & skf18("8","2","5","6","1","8","1") = "7"
    & skf18("8","2","5","6","1","9","1") = "8"
    & skf18("8","2","5","6","1","10","1") = "9"
    & skf18("8","2","5","6","2","1","1") = "7"
    & skf18("8","2","5","6","2","2","1") = "7"
    & skf18("8","2","5","6","2","3","1") = "7"
    & skf18("8","2","5","6","2","4","1") = "7"
    & skf18("8","2","5","6","2","5","1") = "7"
    & skf18("8","2","5","6","2","6","1") = "7"
    & skf18("8","2","5","6","2","7","1") = "7"
    & skf18("8","2","5","6","2","8","1") = "7"
    & skf18("8","2","5","6","2","9","1") = "8"
    & skf18("8","2","5","6","2","10","1") = "9"
    & skf18("8","2","5","6","3","1","1") = "7"
    & skf18("8","2","5","6","3","2","1") = "7"
    & skf18("8","2","5","6","3","3","1") = "7"
    & skf18("8","2","5","6","3","4","1") = "7"
    & skf18("8","2","5","6","3","5","1") = "7"
    & skf18("8","2","5","6","3","6","1") = "7"
    & skf18("8","2","5","6","3","7","1") = "7"
    & skf18("8","2","5","6","3","8","1") = "7"
    & skf18("8","2","5","6","3","9","1") = "8"
    & skf18("8","2","5","6","3","10","1") = "9"
    & skf18("8","2","5","6","4","1","1") = "7"
    & skf18("8","2","5","6","4","2","1") = "7"
    & skf18("8","2","5","6","4","3","1") = "7"
    & skf18("8","2","5","6","4","4","1") = "7"
    & skf18("8","2","5","6","4","5","1") = "7"
    & skf18("8","2","5","6","4","6","1") = "7"
    & skf18("8","2","5","6","4","7","1") = "7"
    & skf18("8","2","5","6","4","8","1") = "7"
    & skf18("8","2","5","6","4","9","1") = "8"
    & skf18("8","2","5","6","4","10","1") = "9"
    & skf18("8","2","5","6","5","1","1") = "7"
    & skf18("8","2","5","6","5","2","1") = "7"
    & skf18("8","2","5","6","5","3","1") = "7"
    & skf18("8","2","5","6","5","4","1") = "7"
    & skf18("8","2","5","6","5","5","1") = "7"
    & skf18("8","2","5","6","5","6","1") = "7"
    & skf18("8","2","5","6","5","7","1") = "7"
    & skf18("8","2","5","6","5","8","1") = "7"
    & skf18("8","2","5","6","5","9","1") = "8"
    & skf18("8","2","5","6","5","10","1") = "9"
    & skf18("8","2","5","6","6","1","1") = "7"
    & skf18("8","2","5","6","6","2","1") = "7"
    & skf18("8","2","5","6","6","3","1") = "7"
    & skf18("8","2","5","6","6","4","1") = "7"
    & skf18("8","2","5","6","6","5","1") = "7"
    & skf18("8","2","5","6","6","6","1") = "7"
    & skf18("8","2","5","6","6","7","1") = "7"
    & skf18("8","2","5","6","6","8","1") = "7"
    & skf18("8","2","5","6","6","9","1") = "8"
    & skf18("8","2","5","6","6","10","1") = "9"
    & skf18("8","2","5","6","7","1","1") = "7"
    & skf18("8","2","5","6","7","2","1") = "7"
    & skf18("8","2","5","6","7","3","1") = "7"
    & skf18("8","2","5","6","7","4","1") = "7"
    & skf18("8","2","5","6","7","5","1") = "7"
    & skf18("8","2","5","6","7","6","1") = "7"
    & skf18("8","2","5","6","7","7","1") = "7"
    & skf18("8","2","5","6","7","8","1") = "7"
    & skf18("8","2","5","6","7","9","1") = "8"
    & skf18("8","2","5","6","7","10","1") = "9"
    & skf18("8","2","5","6","8","1","1") = "7"
    & skf18("8","2","5","6","8","2","1") = "7"
    & skf18("8","2","5","6","8","3","1") = "7"
    & skf18("8","2","5","6","8","4","1") = "7"
    & skf18("8","2","5","6","8","5","1") = "7"
    & skf18("8","2","5","6","8","6","1") = "7"
    & skf18("8","2","5","6","8","7","1") = "7"
    & skf18("8","2","5","6","8","8","1") = "7"
    & skf18("8","2","5","6","8","9","1") = "8"
    & skf18("8","2","5","6","8","10","1") = "9"
    & skf18("8","2","5","6","9","1","1") = "8"
    & skf18("8","2","5","6","9","2","1") = "8"
    & skf18("8","2","5","6","9","3","1") = "8"
    & skf18("8","2","5","6","9","4","1") = "8"
    & skf18("8","2","5","6","9","5","1") = "8"
    & skf18("8","2","5","6","9","6","1") = "8"
    & skf18("8","2","5","6","9","7","1") = "8"
    & skf18("8","2","5","6","9","8","1") = "8"
    & skf18("8","2","5","6","9","9","1") = "8"
    & skf18("8","2","5","6","9","10","1") = "9"
    & skf18("8","2","5","6","10","1","1") = "9"
    & skf18("8","2","5","6","10","2","1") = "9"
    & skf18("8","2","5","6","10","3","1") = "9"
    & skf18("8","2","5","6","10","4","1") = "9"
    & skf18("8","2","5","6","10","5","1") = "9"
    & skf18("8","2","5","6","10","6","1") = "9"
    & skf18("8","2","5","6","10","7","1") = "9"
    & skf18("8","2","5","6","10","8","1") = "9"
    & skf18("8","2","5","6","10","9","1") = "9"
    & skf18("8","2","5","6","10","10","1") = "9"
    & skf18("8","2","5","7","1","1","1") = "7"
    & skf18("8","2","5","7","1","2","1") = "7"
    & skf18("8","2","5","7","1","3","1") = "7"
    & skf18("8","2","5","7","1","4","1") = "7"
    & skf18("8","2","5","7","1","5","1") = "7"
    & skf18("8","2","5","7","1","6","1") = "7"
    & skf18("8","2","5","7","1","7","1") = "7"
    & skf18("8","2","5","7","1","8","1") = "7"
    & skf18("8","2","5","7","1","9","1") = "8"
    & skf18("8","2","5","7","1","10","1") = "9"
    & skf18("8","2","5","7","2","1","1") = "7"
    & skf18("8","2","5","7","2","2","1") = "7"
    & skf18("8","2","5","7","2","3","1") = "7"
    & skf18("8","2","5","7","2","4","1") = "7"
    & skf18("8","2","5","7","2","5","1") = "7"
    & skf18("8","2","5","7","2","6","1") = "7"
    & skf18("8","2","5","7","2","7","1") = "7"
    & skf18("8","2","5","7","2","8","1") = "7"
    & skf18("8","2","5","7","2","9","1") = "8"
    & skf18("8","2","5","7","2","10","1") = "9"
    & skf18("8","2","5","7","3","1","1") = "7"
    & skf18("8","2","5","7","3","2","1") = "7"
    & skf18("8","2","5","7","3","3","1") = "7"
    & skf18("8","2","5","7","3","4","1") = "7"
    & skf18("8","2","5","7","3","5","1") = "7"
    & skf18("8","2","5","7","3","6","1") = "7"
    & skf18("8","2","5","7","3","7","1") = "7"
    & skf18("8","2","5","7","3","8","1") = "7"
    & skf18("8","2","5","7","3","9","1") = "8"
    & skf18("8","2","5","7","3","10","1") = "9"
    & skf18("8","2","5","7","4","1","1") = "7"
    & skf18("8","2","5","7","4","2","1") = "7"
    & skf18("8","2","5","7","4","3","1") = "7"
    & skf18("8","2","5","7","4","4","1") = "7"
    & skf18("8","2","5","7","4","5","1") = "7"
    & skf18("8","2","5","7","4","6","1") = "7"
    & skf18("8","2","5","7","4","7","1") = "7"
    & skf18("8","2","5","7","4","8","1") = "7"
    & skf18("8","2","5","7","4","9","1") = "8"
    & skf18("8","2","5","7","4","10","1") = "9"
    & skf18("8","2","5","7","5","1","1") = "7"
    & skf18("8","2","5","7","5","2","1") = "7"
    & skf18("8","2","5","7","5","3","1") = "7"
    & skf18("8","2","5","7","5","4","1") = "7"
    & skf18("8","2","5","7","5","5","1") = "7"
    & skf18("8","2","5","7","5","6","1") = "7"
    & skf18("8","2","5","7","5","7","1") = "7"
    & skf18("8","2","5","7","5","8","1") = "7"
    & skf18("8","2","5","7","5","9","1") = "8"
    & skf18("8","2","5","7","5","10","1") = "9"
    & skf18("8","2","5","7","6","1","1") = "7"
    & skf18("8","2","5","7","6","2","1") = "7"
    & skf18("8","2","5","7","6","3","1") = "7"
    & skf18("8","2","5","7","6","4","1") = "7"
    & skf18("8","2","5","7","6","5","1") = "7"
    & skf18("8","2","5","7","6","6","1") = "7"
    & skf18("8","2","5","7","6","7","1") = "7"
    & skf18("8","2","5","7","6","8","1") = "7"
    & skf18("8","2","5","7","6","9","1") = "8"
    & skf18("8","2","5","7","6","10","1") = "9"
    & skf18("8","2","5","7","7","1","1") = "7"
    & skf18("8","2","5","7","7","2","1") = "7"
    & skf18("8","2","5","7","7","3","1") = "7"
    & skf18("8","2","5","7","7","4","1") = "7"
    & skf18("8","2","5","7","7","5","1") = "7"
    & skf18("8","2","5","7","7","6","1") = "7"
    & skf18("8","2","5","7","7","7","1") = "7"
    & skf18("8","2","5","7","7","8","1") = "7"
    & skf18("8","2","5","7","7","9","1") = "8"
    & skf18("8","2","5","7","7","10","1") = "9"
    & skf18("8","2","5","7","8","1","1") = "7"
    & skf18("8","2","5","7","8","2","1") = "7"
    & skf18("8","2","5","7","8","3","1") = "7"
    & skf18("8","2","5","7","8","4","1") = "7"
    & skf18("8","2","5","7","8","5","1") = "7"
    & skf18("8","2","5","7","8","6","1") = "7"
    & skf18("8","2","5","7","8","7","1") = "7"
    & skf18("8","2","5","7","8","8","1") = "7"
    & skf18("8","2","5","7","8","9","1") = "8"
    & skf18("8","2","5","7","8","10","1") = "9"
    & skf18("8","2","5","7","9","1","1") = "8"
    & skf18("8","2","5","7","9","2","1") = "8"
    & skf18("8","2","5","7","9","3","1") = "8"
    & skf18("8","2","5","7","9","4","1") = "8"
    & skf18("8","2","5","7","9","5","1") = "8"
    & skf18("8","2","5","7","9","6","1") = "8"
    & skf18("8","2","5","7","9","7","1") = "8"
    & skf18("8","2","5","7","9","8","1") = "8"
    & skf18("8","2","5","7","9","9","1") = "8"
    & skf18("8","2","5","7","9","10","1") = "9"
    & skf18("8","2","5","7","10","1","1") = "9"
    & skf18("8","2","5","7","10","2","1") = "9"
    & skf18("8","2","5","7","10","3","1") = "9"
    & skf18("8","2","5","7","10","4","1") = "9"
    & skf18("8","2","5","7","10","5","1") = "9"
    & skf18("8","2","5","7","10","6","1") = "9"
    & skf18("8","2","5","7","10","7","1") = "9"
    & skf18("8","2","5","7","10","8","1") = "9"
    & skf18("8","2","5","7","10","9","1") = "9"
    & skf18("8","2","5","7","10","10","1") = "9"
    & skf18("8","2","5","8","1","1","1") = "7"
    & skf18("8","2","5","8","1","2","1") = "7"
    & skf18("8","2","5","8","1","3","1") = "7"
    & skf18("8","2","5","8","1","4","1") = "7"
    & skf18("8","2","5","8","1","5","1") = "7"
    & skf18("8","2","5","8","1","6","1") = "7"
    & skf18("8","2","5","8","1","7","1") = "7"
    & skf18("8","2","5","8","1","8","1") = "7"
    & skf18("8","2","5","8","1","9","1") = "8"
    & skf18("8","2","5","8","1","10","1") = "9"
    & skf18("8","2","5","8","2","1","1") = "7"
    & skf18("8","2","5","8","2","2","1") = "7"
    & skf18("8","2","5","8","2","3","1") = "7"
    & skf18("8","2","5","8","2","4","1") = "7"
    & skf18("8","2","5","8","2","5","1") = "7"
    & skf18("8","2","5","8","2","6","1") = "7"
    & skf18("8","2","5","8","2","7","1") = "7"
    & skf18("8","2","5","8","2","8","1") = "7"
    & skf18("8","2","5","8","2","9","1") = "8"
    & skf18("8","2","5","8","2","10","1") = "9"
    & skf18("8","2","5","8","3","1","1") = "7"
    & skf18("8","2","5","8","3","2","1") = "7"
    & skf18("8","2","5","8","3","3","1") = "7"
    & skf18("8","2","5","8","3","4","1") = "7"
    & skf18("8","2","5","8","3","5","1") = "7"
    & skf18("8","2","5","8","3","6","1") = "7"
    & skf18("8","2","5","8","3","7","1") = "7"
    & skf18("8","2","5","8","3","8","1") = "7"
    & skf18("8","2","5","8","3","9","1") = "8"
    & skf18("8","2","5","8","3","10","1") = "9"
    & skf18("8","2","5","8","4","1","1") = "7"
    & skf18("8","2","5","8","4","2","1") = "7"
    & skf18("8","2","5","8","4","3","1") = "7"
    & skf18("8","2","5","8","4","4","1") = "7"
    & skf18("8","2","5","8","4","5","1") = "7"
    & skf18("8","2","5","8","4","6","1") = "7"
    & skf18("8","2","5","8","4","7","1") = "7"
    & skf18("8","2","5","8","4","8","1") = "7"
    & skf18("8","2","5","8","4","9","1") = "8"
    & skf18("8","2","5","8","4","10","1") = "9"
    & skf18("8","2","5","8","5","1","1") = "7"
    & skf18("8","2","5","8","5","2","1") = "7"
    & skf18("8","2","5","8","5","3","1") = "7"
    & skf18("8","2","5","8","5","4","1") = "7"
    & skf18("8","2","5","8","5","5","1") = "7"
    & skf18("8","2","5","8","5","6","1") = "7"
    & skf18("8","2","5","8","5","7","1") = "7"
    & skf18("8","2","5","8","5","8","1") = "7"
    & skf18("8","2","5","8","5","9","1") = "8"
    & skf18("8","2","5","8","5","10","1") = "9"
    & skf18("8","2","5","8","6","1","1") = "7"
    & skf18("8","2","5","8","6","2","1") = "7"
    & skf18("8","2","5","8","6","3","1") = "7"
    & skf18("8","2","5","8","6","4","1") = "7"
    & skf18("8","2","5","8","6","5","1") = "7"
    & skf18("8","2","5","8","6","6","1") = "7"
    & skf18("8","2","5","8","6","7","1") = "7"
    & skf18("8","2","5","8","6","8","1") = "7"
    & skf18("8","2","5","8","6","9","1") = "8"
    & skf18("8","2","5","8","6","10","1") = "9"
    & skf18("8","2","5","8","7","1","1") = "7"
    & skf18("8","2","5","8","7","2","1") = "7"
    & skf18("8","2","5","8","7","3","1") = "7"
    & skf18("8","2","5","8","7","4","1") = "7"
    & skf18("8","2","5","8","7","5","1") = "7"
    & skf18("8","2","5","8","7","6","1") = "7"
    & skf18("8","2","5","8","7","7","1") = "7"
    & skf18("8","2","5","8","7","8","1") = "7"
    & skf18("8","2","5","8","7","9","1") = "8"
    & skf18("8","2","5","8","7","10","1") = "9"
    & skf18("8","2","5","8","8","1","1") = "7"
    & skf18("8","2","5","8","8","2","1") = "7"
    & skf18("8","2","5","8","8","3","1") = "7"
    & skf18("8","2","5","8","8","4","1") = "7"
    & skf18("8","2","5","8","8","5","1") = "7"
    & skf18("8","2","5","8","8","6","1") = "7"
    & skf18("8","2","5","8","8","7","1") = "7"
    & skf18("8","2","5","8","8","8","1") = "7"
    & skf18("8","2","5","8","8","9","1") = "8"
    & skf18("8","2","5","8","8","10","1") = "9"
    & skf18("8","2","5","8","9","1","1") = "8"
    & skf18("8","2","5","8","9","2","1") = "8"
    & skf18("8","2","5","8","9","3","1") = "8"
    & skf18("8","2","5","8","9","4","1") = "8"
    & skf18("8","2","5","8","9","5","1") = "8"
    & skf18("8","2","5","8","9","6","1") = "8"
    & skf18("8","2","5","8","9","7","1") = "8"
    & skf18("8","2","5","8","9","8","1") = "8"
    & skf18("8","2","5","8","9","9","1") = "8"
    & skf18("8","2","5","8","9","10","1") = "9"
    & skf18("8","2","5","8","10","1","1") = "9"
    & skf18("8","2","5","8","10","2","1") = "9"
    & skf18("8","2","5","8","10","3","1") = "9"
    & skf18("8","2","5","8","10","4","1") = "9"
    & skf18("8","2","5","8","10","5","1") = "9"
    & skf18("8","2","5","8","10","6","1") = "9"
    & skf18("8","2","5","8","10","7","1") = "9"
    & skf18("8","2","5","8","10","8","1") = "9"
    & skf18("8","2","5","8","10","9","1") = "9"
    & skf18("8","2","5","8","10","10","1") = "9"
    & skf18("8","2","5","9","1","1","1") = "8"
    & skf18("8","2","5","9","1","2","1") = "8"
    & skf18("8","2","5","9","1","3","1") = "8"
    & skf18("8","2","5","9","1","4","1") = "8"
    & skf18("8","2","5","9","1","5","1") = "8"
    & skf18("8","2","5","9","1","6","1") = "8"
    & skf18("8","2","5","9","1","7","1") = "8"
    & skf18("8","2","5","9","1","8","1") = "8"
    & skf18("8","2","5","9","1","9","1") = "8"
    & skf18("8","2","5","9","1","10","1") = "9"
    & skf18("8","2","5","9","2","1","1") = "8"
    & skf18("8","2","5","9","2","2","1") = "8"
    & skf18("8","2","5","9","2","3","1") = "8"
    & skf18("8","2","5","9","2","4","1") = "8"
    & skf18("8","2","5","9","2","5","1") = "8"
    & skf18("8","2","5","9","2","6","1") = "8"
    & skf18("8","2","5","9","2","7","1") = "8"
    & skf18("8","2","5","9","2","8","1") = "8"
    & skf18("8","2","5","9","2","9","1") = "8"
    & skf18("8","2","5","9","2","10","1") = "9"
    & skf18("8","2","5","9","3","1","1") = "8"
    & skf18("8","2","5","9","3","2","1") = "8"
    & skf18("8","2","5","9","3","3","1") = "8"
    & skf18("8","2","5","9","3","4","1") = "8"
    & skf18("8","2","5","9","3","5","1") = "8"
    & skf18("8","2","5","9","3","6","1") = "8"
    & skf18("8","2","5","9","3","7","1") = "8"
    & skf18("8","2","5","9","3","8","1") = "8"
    & skf18("8","2","5","9","3","9","1") = "8"
    & skf18("8","2","5","9","3","10","1") = "9"
    & skf18("8","2","5","9","4","1","1") = "8"
    & skf18("8","2","5","9","4","2","1") = "8"
    & skf18("8","2","5","9","4","3","1") = "8"
    & skf18("8","2","5","9","4","4","1") = "8"
    & skf18("8","2","5","9","4","5","1") = "8"
    & skf18("8","2","5","9","4","6","1") = "8"
    & skf18("8","2","5","9","4","7","1") = "8"
    & skf18("8","2","5","9","4","8","1") = "8"
    & skf18("8","2","5","9","4","9","1") = "8"
    & skf18("8","2","5","9","4","10","1") = "9"
    & skf18("8","2","5","9","5","1","1") = "8"
    & skf18("8","2","5","9","5","2","1") = "8"
    & skf18("8","2","5","9","5","3","1") = "8"
    & skf18("8","2","5","9","5","4","1") = "8"
    & skf18("8","2","5","9","5","5","1") = "8"
    & skf18("8","2","5","9","5","6","1") = "8"
    & skf18("8","2","5","9","5","7","1") = "8"
    & skf18("8","2","5","9","5","8","1") = "8"
    & skf18("8","2","5","9","5","9","1") = "8"
    & skf18("8","2","5","9","5","10","1") = "9"
    & skf18("8","2","5","9","6","1","1") = "8"
    & skf18("8","2","5","9","6","2","1") = "8"
    & skf18("8","2","5","9","6","3","1") = "8"
    & skf18("8","2","5","9","6","4","1") = "8"
    & skf18("8","2","5","9","6","5","1") = "8"
    & skf18("8","2","5","9","6","6","1") = "8"
    & skf18("8","2","5","9","6","7","1") = "8"
    & skf18("8","2","5","9","6","8","1") = "8"
    & skf18("8","2","5","9","6","9","1") = "8"
    & skf18("8","2","5","9","6","10","1") = "9"
    & skf18("8","2","5","9","7","1","1") = "8"
    & skf18("8","2","5","9","7","2","1") = "8"
    & skf18("8","2","5","9","7","3","1") = "8"
    & skf18("8","2","5","9","7","4","1") = "8"
    & skf18("8","2","5","9","7","5","1") = "8"
    & skf18("8","2","5","9","7","6","1") = "8"
    & skf18("8","2","5","9","7","7","1") = "8"
    & skf18("8","2","5","9","7","8","1") = "8"
    & skf18("8","2","5","9","7","9","1") = "8"
    & skf18("8","2","5","9","7","10","1") = "9"
    & skf18("8","2","5","9","8","1","1") = "8"
    & skf18("8","2","5","9","8","2","1") = "8"
    & skf18("8","2","5","9","8","3","1") = "8"
    & skf18("8","2","5","9","8","4","1") = "8"
    & skf18("8","2","5","9","8","5","1") = "8"
    & skf18("8","2","5","9","8","6","1") = "8"
    & skf18("8","2","5","9","8","7","1") = "8"
    & skf18("8","2","5","9","8","8","1") = "8"
    & skf18("8","2","5","9","8","9","1") = "8"
    & skf18("8","2","5","9","8","10","1") = "9"
    & skf18("8","2","5","9","9","1","1") = "8"
    & skf18("8","2","5","9","9","2","1") = "8"
    & skf18("8","2","5","9","9","3","1") = "8"
    & skf18("8","2","5","9","9","4","1") = "8"
    & skf18("8","2","5","9","9","5","1") = "8"
    & skf18("8","2","5","9","9","6","1") = "8"
    & skf18("8","2","5","9","9","7","1") = "8"
    & skf18("8","2","5","9","9","8","1") = "8"
    & skf18("8","2","5","9","9","9","1") = "8"
    & skf18("8","2","5","9","9","10","1") = "9"
    & skf18("8","2","5","9","10","1","1") = "9"
    & skf18("8","2","5","9","10","2","1") = "9"
    & skf18("8","2","5","9","10","3","1") = "9"
    & skf18("8","2","5","9","10","4","1") = "9"
    & skf18("8","2","5","9","10","5","1") = "9"
    & skf18("8","2","5","9","10","6","1") = "9"
    & skf18("8","2","5","9","10","7","1") = "9"
    & skf18("8","2","5","9","10","8","1") = "9"
    & skf18("8","2","5","9","10","9","1") = "9"
    & skf18("8","2","5","9","10","10","1") = "9"
    & skf18("8","2","5","10","1","1","1") = "9"
    & skf18("8","2","5","10","1","2","1") = "9"
    & skf18("8","2","5","10","1","3","1") = "9"
    & skf18("8","2","5","10","1","4","1") = "9"
    & skf18("8","2","5","10","1","5","1") = "9"
    & skf18("8","2","5","10","1","6","1") = "9"
    & skf18("8","2","5","10","1","7","1") = "9"
    & skf18("8","2","5","10","1","8","1") = "9"
    & skf18("8","2","5","10","1","9","1") = "9"
    & skf18("8","2","5","10","1","10","1") = "9"
    & skf18("8","2","5","10","2","1","1") = "9"
    & skf18("8","2","5","10","2","2","1") = "9"
    & skf18("8","2","5","10","2","3","1") = "9"
    & skf18("8","2","5","10","2","4","1") = "9"
    & skf18("8","2","5","10","2","5","1") = "9"
    & skf18("8","2","5","10","2","6","1") = "9"
    & skf18("8","2","5","10","2","7","1") = "9"
    & skf18("8","2","5","10","2","8","1") = "9"
    & skf18("8","2","5","10","2","9","1") = "9"
    & skf18("8","2","5","10","2","10","1") = "9"
    & skf18("8","2","5","10","3","1","1") = "9"
    & skf18("8","2","5","10","3","2","1") = "9"
    & skf18("8","2","5","10","3","3","1") = "9"
    & skf18("8","2","5","10","3","4","1") = "9"
    & skf18("8","2","5","10","3","5","1") = "9"
    & skf18("8","2","5","10","3","6","1") = "9"
    & skf18("8","2","5","10","3","7","1") = "9"
    & skf18("8","2","5","10","3","8","1") = "9"
    & skf18("8","2","5","10","3","9","1") = "9"
    & skf18("8","2","5","10","3","10","1") = "9"
    & skf18("8","2","5","10","4","1","1") = "9"
    & skf18("8","2","5","10","4","2","1") = "9"
    & skf18("8","2","5","10","4","3","1") = "9"
    & skf18("8","2","5","10","4","4","1") = "9"
    & skf18("8","2","5","10","4","5","1") = "9"
    & skf18("8","2","5","10","4","6","1") = "9"
    & skf18("8","2","5","10","4","7","1") = "9"
    & skf18("8","2","5","10","4","8","1") = "9"
    & skf18("8","2","5","10","4","9","1") = "9"
    & skf18("8","2","5","10","4","10","1") = "9"
    & skf18("8","2","5","10","5","1","1") = "9"
    & skf18("8","2","5","10","5","2","1") = "9"
    & skf18("8","2","5","10","5","3","1") = "9"
    & skf18("8","2","5","10","5","4","1") = "9"
    & skf18("8","2","5","10","5","5","1") = "9"
    & skf18("8","2","5","10","5","6","1") = "9"
    & skf18("8","2","5","10","5","7","1") = "9"
    & skf18("8","2","5","10","5","8","1") = "9"
    & skf18("8","2","5","10","5","9","1") = "9"
    & skf18("8","2","5","10","5","10","1") = "9"
    & skf18("8","2","5","10","6","1","1") = "9"
    & skf18("8","2","5","10","6","2","1") = "9"
    & skf18("8","2","5","10","6","3","1") = "9"
    & skf18("8","2","5","10","6","4","1") = "9"
    & skf18("8","2","5","10","6","5","1") = "9"
    & skf18("8","2","5","10","6","6","1") = "9"
    & skf18("8","2","5","10","6","7","1") = "9"
    & skf18("8","2","5","10","6","8","1") = "9"
    & skf18("8","2","5","10","6","9","1") = "9"
    & skf18("8","2","5","10","6","10","1") = "9"
    & skf18("8","2","5","10","7","1","1") = "9"
    & skf18("8","2","5","10","7","2","1") = "9"
    & skf18("8","2","5","10","7","3","1") = "9"
    & skf18("8","2","5","10","7","4","1") = "9"
    & skf18("8","2","5","10","7","5","1") = "9"
    & skf18("8","2","5","10","7","6","1") = "9"
    & skf18("8","2","5","10","7","7","1") = "9"
    & skf18("8","2","5","10","7","8","1") = "9"
    & skf18("8","2","5","10","7","9","1") = "9"
    & skf18("8","2","5","10","7","10","1") = "9"
    & skf18("8","2","5","10","8","1","1") = "9"
    & skf18("8","2","5","10","8","2","1") = "9"
    & skf18("8","2","5","10","8","3","1") = "9"
    & skf18("8","2","5","10","8","4","1") = "9"
    & skf18("8","2","5","10","8","5","1") = "9"
    & skf18("8","2","5","10","8","6","1") = "9"
    & skf18("8","2","5","10","8","7","1") = "9"
    & skf18("8","2","5","10","8","8","1") = "9"
    & skf18("8","2","5","10","8","9","1") = "9"
    & skf18("8","2","5","10","8","10","1") = "9"
    & skf18("8","2","5","10","9","1","1") = "9"
    & skf18("8","2","5","10","9","2","1") = "9"
    & skf18("8","2","5","10","9","3","1") = "9"
    & skf18("8","2","5","10","9","4","1") = "9"
    & skf18("8","2","5","10","9","5","1") = "9"
    & skf18("8","2","5","10","9","6","1") = "9"
    & skf18("8","2","5","10","9","7","1") = "9"
    & skf18("8","2","5","10","9","8","1") = "9"
    & skf18("8","2","5","10","9","9","1") = "9"
    & skf18("8","2","5","10","9","10","1") = "9"
    & skf18("8","2","5","10","10","1","1") = "9"
    & skf18("8","2","5","10","10","2","1") = "9"
    & skf18("8","2","5","10","10","3","1") = "9"
    & skf18("8","2","5","10","10","4","1") = "9"
    & skf18("8","2","5","10","10","5","1") = "9"
    & skf18("8","2","5","10","10","6","1") = "9"
    & skf18("8","2","5","10","10","7","1") = "9"
    & skf18("8","2","5","10","10","8","1") = "9"
    & skf18("8","2","5","10","10","9","1") = "9"
    & skf18("8","2","5","10","10","10","1") = "9"
    & skf18("8","2","6","1","1","1","1") = "7"
    & skf18("8","2","6","1","1","2","1") = "7"
    & skf18("8","2","6","1","1","3","1") = "7"
    & skf18("8","2","6","1","1","4","1") = "7"
    & skf18("8","2","6","1","1","5","1") = "7"
    & skf18("8","2","6","1","1","6","1") = "7"
    & skf18("8","2","6","1","1","7","1") = "7"
    & skf18("8","2","6","1","1","8","1") = "7"
    & skf18("8","2","6","1","1","9","1") = "8"
    & skf18("8","2","6","1","1","10","1") = "9"
    & skf18("8","2","6","1","2","1","1") = "7"
    & skf18("8","2","6","1","2","2","1") = "7"
    & skf18("8","2","6","1","2","3","1") = "7"
    & skf18("8","2","6","1","2","4","1") = "7"
    & skf18("8","2","6","1","2","5","1") = "7"
    & skf18("8","2","6","1","2","6","1") = "7"
    & skf18("8","2","6","1","2","7","1") = "7"
    & skf18("8","2","6","1","2","8","1") = "7"
    & skf18("8","2","6","1","2","9","1") = "8"
    & skf18("8","2","6","1","2","10","1") = "9"
    & skf18("8","2","6","1","3","1","1") = "7"
    & skf18("8","2","6","1","3","2","1") = "7"
    & skf18("8","2","6","1","3","3","1") = "7"
    & skf18("8","2","6","1","3","4","1") = "7"
    & skf18("8","2","6","1","3","5","1") = "7"
    & skf18("8","2","6","1","3","6","1") = "7"
    & skf18("8","2","6","1","3","7","1") = "7"
    & skf18("8","2","6","1","3","8","1") = "7"
    & skf18("8","2","6","1","3","9","1") = "8"
    & skf18("8","2","6","1","3","10","1") = "9"
    & skf18("8","2","6","1","4","1","1") = "7"
    & skf18("8","2","6","1","4","2","1") = "7"
    & skf18("8","2","6","1","4","3","1") = "7"
    & skf18("8","2","6","1","4","4","1") = "7"
    & skf18("8","2","6","1","4","5","1") = "7"
    & skf18("8","2","6","1","4","6","1") = "7"
    & skf18("8","2","6","1","4","7","1") = "7"
    & skf18("8","2","6","1","4","8","1") = "7"
    & skf18("8","2","6","1","4","9","1") = "8"
    & skf18("8","2","6","1","4","10","1") = "9"
    & skf18("8","2","6","1","5","1","1") = "7"
    & skf18("8","2","6","1","5","2","1") = "7"
    & skf18("8","2","6","1","5","3","1") = "7"
    & skf18("8","2","6","1","5","4","1") = "7"
    & skf18("8","2","6","1","5","5","1") = "7"
    & skf18("8","2","6","1","5","6","1") = "7"
    & skf18("8","2","6","1","5","7","1") = "7"
    & skf18("8","2","6","1","5","8","1") = "7"
    & skf18("8","2","6","1","5","9","1") = "8"
    & skf18("8","2","6","1","5","10","1") = "9"
    & skf18("8","2","6","1","6","1","1") = "7"
    & skf18("8","2","6","1","6","2","1") = "7"
    & skf18("8","2","6","1","6","3","1") = "7"
    & skf18("8","2","6","1","6","4","1") = "7"
    & skf18("8","2","6","1","6","5","1") = "7"
    & skf18("8","2","6","1","6","6","1") = "7"
    & skf18("8","2","6","1","6","7","1") = "7"
    & skf18("8","2","6","1","6","8","1") = "7"
    & skf18("8","2","6","1","6","9","1") = "8"
    & skf18("8","2","6","1","6","10","1") = "9"
    & skf18("8","2","6","1","7","1","1") = "7"
    & skf18("8","2","6","1","7","2","1") = "7"
    & skf18("8","2","6","1","7","3","1") = "7"
    & skf18("8","2","6","1","7","4","1") = "7"
    & skf18("8","2","6","1","7","5","1") = "7"
    & skf18("8","2","6","1","7","6","1") = "7"
    & skf18("8","2","6","1","7","7","1") = "7"
    & skf18("8","2","6","1","7","8","1") = "7"
    & skf18("8","2","6","1","7","9","1") = "8"
    & skf18("8","2","6","1","7","10","1") = "9"
    & skf18("8","2","6","1","8","1","1") = "7"
    & skf18("8","2","6","1","8","2","1") = "7"
    & skf18("8","2","6","1","8","3","1") = "7"
    & skf18("8","2","6","1","8","4","1") = "7"
    & skf18("8","2","6","1","8","5","1") = "7"
    & skf18("8","2","6","1","8","6","1") = "7"
    & skf18("8","2","6","1","8","7","1") = "7"
    & skf18("8","2","6","1","8","8","1") = "7"
    & skf18("8","2","6","1","8","9","1") = "8"
    & skf18("8","2","6","1","8","10","1") = "9"
    & skf18("8","2","6","1","9","1","1") = "8"
    & skf18("8","2","6","1","9","2","1") = "8"
    & skf18("8","2","6","1","9","3","1") = "8"
    & skf18("8","2","6","1","9","4","1") = "8"
    & skf18("8","2","6","1","9","5","1") = "8"
    & skf18("8","2","6","1","9","6","1") = "8"
    & skf18("8","2","6","1","9","7","1") = "8"
    & skf18("8","2","6","1","9","8","1") = "8"
    & skf18("8","2","6","1","9","9","1") = "8"
    & skf18("8","2","6","1","9","10","1") = "9"
    & skf18("8","2","6","1","10","1","1") = "9"
    & skf18("8","2","6","1","10","2","1") = "9"
    & skf18("8","2","6","1","10","3","1") = "9"
    & skf18("8","2","6","1","10","4","1") = "9"
    & skf18("8","2","6","1","10","5","1") = "9"
    & skf18("8","2","6","1","10","6","1") = "9"
    & skf18("8","2","6","1","10","7","1") = "9"
    & skf18("8","2","6","1","10","8","1") = "9"
    & skf18("8","2","6","1","10","9","1") = "9"
    & skf18("8","2","6","1","10","10","1") = "9"
    & skf18("8","2","6","2","1","1","1") = "7"
    & skf18("8","2","6","2","1","2","1") = "7"
    & skf18("8","2","6","2","1","3","1") = "7"
    & skf18("8","2","6","2","1","4","1") = "7"
    & skf18("8","2","6","2","1","5","1") = "7"
    & skf18("8","2","6","2","1","6","1") = "7"
    & skf18("8","2","6","2","1","7","1") = "7"
    & skf18("8","2","6","2","1","8","1") = "7"
    & skf18("8","2","6","2","1","9","1") = "8"
    & skf18("8","2","6","2","1","10","1") = "9"
    & skf18("8","2","6","2","2","1","1") = "7"
    & skf18("8","2","6","2","2","2","1") = "7"
    & skf18("8","2","6","2","2","3","1") = "7"
    & skf18("8","2","6","2","2","4","1") = "7"
    & skf18("8","2","6","2","2","5","1") = "7"
    & skf18("8","2","6","2","2","6","1") = "7"
    & skf18("8","2","6","2","2","7","1") = "7"
    & skf18("8","2","6","2","2","8","1") = "7"
    & skf18("8","2","6","2","2","9","1") = "8"
    & skf18("8","2","6","2","2","10","1") = "9"
    & skf18("8","2","6","2","3","1","1") = "7"
    & skf18("8","2","6","2","3","2","1") = "7"
    & skf18("8","2","6","2","3","3","1") = "7"
    & skf18("8","2","6","2","3","4","1") = "7"
    & skf18("8","2","6","2","3","5","1") = "7"
    & skf18("8","2","6","2","3","6","1") = "7"
    & skf18("8","2","6","2","3","7","1") = "7"
    & skf18("8","2","6","2","3","8","1") = "7"
    & skf18("8","2","6","2","3","9","1") = "8"
    & skf18("8","2","6","2","3","10","1") = "9"
    & skf18("8","2","6","2","4","1","1") = "7"
    & skf18("8","2","6","2","4","2","1") = "7"
    & skf18("8","2","6","2","4","3","1") = "7"
    & skf18("8","2","6","2","4","4","1") = "7"
    & skf18("8","2","6","2","4","5","1") = "7"
    & skf18("8","2","6","2","4","6","1") = "7"
    & skf18("8","2","6","2","4","7","1") = "7"
    & skf18("8","2","6","2","4","8","1") = "7"
    & skf18("8","2","6","2","4","9","1") = "8"
    & skf18("8","2","6","2","4","10","1") = "9"
    & skf18("8","2","6","2","5","1","1") = "7"
    & skf18("8","2","6","2","5","2","1") = "7"
    & skf18("8","2","6","2","5","3","1") = "7"
    & skf18("8","2","6","2","5","4","1") = "7"
    & skf18("8","2","6","2","5","5","1") = "7"
    & skf18("8","2","6","2","5","6","1") = "7"
    & skf18("8","2","6","2","5","7","1") = "7"
    & skf18("8","2","6","2","5","8","1") = "7"
    & skf18("8","2","6","2","5","9","1") = "8"
    & skf18("8","2","6","2","5","10","1") = "9"
    & skf18("8","2","6","2","6","1","1") = "7"
    & skf18("8","2","6","2","6","2","1") = "7"
    & skf18("8","2","6","2","6","3","1") = "7"
    & skf18("8","2","6","2","6","4","1") = "7"
    & skf18("8","2","6","2","6","5","1") = "7"
    & skf18("8","2","6","2","6","6","1") = "7"
    & skf18("8","2","6","2","6","7","1") = "7"
    & skf18("8","2","6","2","6","8","1") = "7"
    & skf18("8","2","6","2","6","9","1") = "8"
    & skf18("8","2","6","2","6","10","1") = "9"
    & skf18("8","2","6","2","7","1","1") = "7"
    & skf18("8","2","6","2","7","2","1") = "7"
    & skf18("8","2","6","2","7","3","1") = "7"
    & skf18("8","2","6","2","7","4","1") = "7"
    & skf18("8","2","6","2","7","5","1") = "7"
    & skf18("8","2","6","2","7","6","1") = "7"
    & skf18("8","2","6","2","7","7","1") = "7"
    & skf18("8","2","6","2","7","8","1") = "7"
    & skf18("8","2","6","2","7","9","1") = "8"
    & skf18("8","2","6","2","7","10","1") = "9"
    & skf18("8","2","6","2","8","1","1") = "7"
    & skf18("8","2","6","2","8","2","1") = "7"
    & skf18("8","2","6","2","8","3","1") = "7"
    & skf18("8","2","6","2","8","4","1") = "7"
    & skf18("8","2","6","2","8","5","1") = "7"
    & skf18("8","2","6","2","8","6","1") = "7"
    & skf18("8","2","6","2","8","7","1") = "7"
    & skf18("8","2","6","2","8","8","1") = "7"
    & skf18("8","2","6","2","8","9","1") = "8"
    & skf18("8","2","6","2","8","10","1") = "9"
    & skf18("8","2","6","2","9","1","1") = "8"
    & skf18("8","2","6","2","9","2","1") = "8"
    & skf18("8","2","6","2","9","3","1") = "8"
    & skf18("8","2","6","2","9","4","1") = "8"
    & skf18("8","2","6","2","9","5","1") = "8"
    & skf18("8","2","6","2","9","6","1") = "8"
    & skf18("8","2","6","2","9","7","1") = "8"
    & skf18("8","2","6","2","9","8","1") = "8"
    & skf18("8","2","6","2","9","9","1") = "8"
    & skf18("8","2","6","2","9","10","1") = "9"
    & skf18("8","2","6","2","10","1","1") = "9"
    & skf18("8","2","6","2","10","2","1") = "9"
    & skf18("8","2","6","2","10","3","1") = "9"
    & skf18("8","2","6","2","10","4","1") = "9"
    & skf18("8","2","6","2","10","5","1") = "9"
    & skf18("8","2","6","2","10","6","1") = "9"
    & skf18("8","2","6","2","10","7","1") = "9"
    & skf18("8","2","6","2","10","8","1") = "9"
    & skf18("8","2","6","2","10","9","1") = "9"
    & skf18("8","2","6","2","10","10","1") = "9"
    & skf18("8","2","6","3","1","1","1") = "7"
    & skf18("8","2","6","3","1","2","1") = "7"
    & skf18("8","2","6","3","1","3","1") = "7"
    & skf18("8","2","6","3","1","4","1") = "7"
    & skf18("8","2","6","3","1","5","1") = "7"
    & skf18("8","2","6","3","1","6","1") = "7"
    & skf18("8","2","6","3","1","7","1") = "7"
    & skf18("8","2","6","3","1","8","1") = "7"
    & skf18("8","2","6","3","1","9","1") = "8"
    & skf18("8","2","6","3","1","10","1") = "9"
    & skf18("8","2","6","3","2","1","1") = "7"
    & skf18("8","2","6","3","2","2","1") = "7"
    & skf18("8","2","6","3","2","3","1") = "7"
    & skf18("8","2","6","3","2","4","1") = "7"
    & skf18("8","2","6","3","2","5","1") = "7"
    & skf18("8","2","6","3","2","6","1") = "7"
    & skf18("8","2","6","3","2","7","1") = "7"
    & skf18("8","2","6","3","2","8","1") = "7"
    & skf18("8","2","6","3","2","9","1") = "8"
    & skf18("8","2","6","3","2","10","1") = "9"
    & skf18("8","2","6","3","3","1","1") = "7"
    & skf18("8","2","6","3","3","2","1") = "7"
    & skf18("8","2","6","3","3","3","1") = "7"
    & skf18("8","2","6","3","3","4","1") = "7"
    & skf18("8","2","6","3","3","5","1") = "7"
    & skf18("8","2","6","3","3","6","1") = "7"
    & skf18("8","2","6","3","3","7","1") = "7"
    & skf18("8","2","6","3","3","8","1") = "7"
    & skf18("8","2","6","3","3","9","1") = "8"
    & skf18("8","2","6","3","3","10","1") = "9"
    & skf18("8","2","6","3","4","1","1") = "7"
    & skf18("8","2","6","3","4","2","1") = "7"
    & skf18("8","2","6","3","4","3","1") = "7"
    & skf18("8","2","6","3","4","4","1") = "7"
    & skf18("8","2","6","3","4","5","1") = "7"
    & skf18("8","2","6","3","4","6","1") = "7"
    & skf18("8","2","6","3","4","7","1") = "7"
    & skf18("8","2","6","3","4","8","1") = "7"
    & skf18("8","2","6","3","4","9","1") = "8"
    & skf18("8","2","6","3","4","10","1") = "9"
    & skf18("8","2","6","3","5","1","1") = "7"
    & skf18("8","2","6","3","5","2","1") = "7"
    & skf18("8","2","6","3","5","3","1") = "7"
    & skf18("8","2","6","3","5","4","1") = "7"
    & skf18("8","2","6","3","5","5","1") = "7"
    & skf18("8","2","6","3","5","6","1") = "7"
    & skf18("8","2","6","3","5","7","1") = "7"
    & skf18("8","2","6","3","5","8","1") = "7"
    & skf18("8","2","6","3","5","9","1") = "8"
    & skf18("8","2","6","3","5","10","1") = "9"
    & skf18("8","2","6","3","6","1","1") = "7"
    & skf18("8","2","6","3","6","2","1") = "7"
    & skf18("8","2","6","3","6","3","1") = "7"
    & skf18("8","2","6","3","6","4","1") = "7"
    & skf18("8","2","6","3","6","5","1") = "7"
    & skf18("8","2","6","3","6","6","1") = "7"
    & skf18("8","2","6","3","6","7","1") = "7"
    & skf18("8","2","6","3","6","8","1") = "7"
    & skf18("8","2","6","3","6","9","1") = "8"
    & skf18("8","2","6","3","6","10","1") = "9"
    & skf18("8","2","6","3","7","1","1") = "7"
    & skf18("8","2","6","3","7","2","1") = "7"
    & skf18("8","2","6","3","7","3","1") = "7"
    & skf18("8","2","6","3","7","4","1") = "7"
    & skf18("8","2","6","3","7","5","1") = "7"
    & skf18("8","2","6","3","7","6","1") = "7"
    & skf18("8","2","6","3","7","7","1") = "7"
    & skf18("8","2","6","3","7","8","1") = "7"
    & skf18("8","2","6","3","7","9","1") = "8"
    & skf18("8","2","6","3","7","10","1") = "9"
    & skf18("8","2","6","3","8","1","1") = "7"
    & skf18("8","2","6","3","8","2","1") = "7"
    & skf18("8","2","6","3","8","3","1") = "7"
    & skf18("8","2","6","3","8","4","1") = "7"
    & skf18("8","2","6","3","8","5","1") = "7"
    & skf18("8","2","6","3","8","6","1") = "7"
    & skf18("8","2","6","3","8","7","1") = "7"
    & skf18("8","2","6","3","8","8","1") = "7"
    & skf18("8","2","6","3","8","9","1") = "8"
    & skf18("8","2","6","3","8","10","1") = "9"
    & skf18("8","2","6","3","9","1","1") = "8"
    & skf18("8","2","6","3","9","2","1") = "8"
    & skf18("8","2","6","3","9","3","1") = "8"
    & skf18("8","2","6","3","9","4","1") = "8"
    & skf18("8","2","6","3","9","5","1") = "8"
    & skf18("8","2","6","3","9","6","1") = "8"
    & skf18("8","2","6","3","9","7","1") = "8"
    & skf18("8","2","6","3","9","8","1") = "8"
    & skf18("8","2","6","3","9","9","1") = "8"
    & skf18("8","2","6","3","9","10","1") = "9"
    & skf18("8","2","6","3","10","1","1") = "9"
    & skf18("8","2","6","3","10","2","1") = "9"
    & skf18("8","2","6","3","10","3","1") = "9"
    & skf18("8","2","6","3","10","4","1") = "9"
    & skf18("8","2","6","3","10","5","1") = "9"
    & skf18("8","2","6","3","10","6","1") = "9"
    & skf18("8","2","6","3","10","7","1") = "9"
    & skf18("8","2","6","3","10","8","1") = "9"
    & skf18("8","2","6","3","10","9","1") = "9"
    & skf18("8","2","6","3","10","10","1") = "9"
    & skf18("8","2","6","4","1","1","1") = "7"
    & skf18("8","2","6","4","1","2","1") = "7"
    & skf18("8","2","6","4","1","3","1") = "7"
    & skf18("8","2","6","4","1","4","1") = "7"
    & skf18("8","2","6","4","1","5","1") = "7"
    & skf18("8","2","6","4","1","6","1") = "7"
    & skf18("8","2","6","4","1","7","1") = "7"
    & skf18("8","2","6","4","1","8","1") = "7"
    & skf18("8","2","6","4","1","9","1") = "8"
    & skf18("8","2","6","4","1","10","1") = "9"
    & skf18("8","2","6","4","2","1","1") = "7"
    & skf18("8","2","6","4","2","2","1") = "7"
    & skf18("8","2","6","4","2","3","1") = "7"
    & skf18("8","2","6","4","2","4","1") = "7"
    & skf18("8","2","6","4","2","5","1") = "7"
    & skf18("8","2","6","4","2","6","1") = "7"
    & skf18("8","2","6","4","2","7","1") = "7"
    & skf18("8","2","6","4","2","8","1") = "7"
    & skf18("8","2","6","4","2","9","1") = "8"
    & skf18("8","2","6","4","2","10","1") = "9"
    & skf18("8","2","6","4","3","1","1") = "7"
    & skf18("8","2","6","4","3","2","1") = "7"
    & skf18("8","2","6","4","3","3","1") = "7"
    & skf18("8","2","6","4","3","4","1") = "7"
    & skf18("8","2","6","4","3","5","1") = "7"
    & skf18("8","2","6","4","3","6","1") = "7"
    & skf18("8","2","6","4","3","7","1") = "7"
    & skf18("8","2","6","4","3","8","1") = "7"
    & skf18("8","2","6","4","3","9","1") = "8"
    & skf18("8","2","6","4","3","10","1") = "9"
    & skf18("8","2","6","4","4","1","1") = "7"
    & skf18("8","2","6","4","4","2","1") = "7"
    & skf18("8","2","6","4","4","3","1") = "7"
    & skf18("8","2","6","4","4","4","1") = "7"
    & skf18("8","2","6","4","4","5","1") = "7"
    & skf18("8","2","6","4","4","6","1") = "7"
    & skf18("8","2","6","4","4","7","1") = "7"
    & skf18("8","2","6","4","4","8","1") = "7"
    & skf18("8","2","6","4","4","9","1") = "8"
    & skf18("8","2","6","4","4","10","1") = "9"
    & skf18("8","2","6","4","5","1","1") = "7"
    & skf18("8","2","6","4","5","2","1") = "7"
    & skf18("8","2","6","4","5","3","1") = "7"
    & skf18("8","2","6","4","5","4","1") = "7"
    & skf18("8","2","6","4","5","5","1") = "7"
    & skf18("8","2","6","4","5","6","1") = "7"
    & skf18("8","2","6","4","5","7","1") = "7"
    & skf18("8","2","6","4","5","8","1") = "7"
    & skf18("8","2","6","4","5","9","1") = "8"
    & skf18("8","2","6","4","5","10","1") = "9"
    & skf18("8","2","6","4","6","1","1") = "7"
    & skf18("8","2","6","4","6","2","1") = "7"
    & skf18("8","2","6","4","6","3","1") = "7"
    & skf18("8","2","6","4","6","4","1") = "7"
    & skf18("8","2","6","4","6","5","1") = "7"
    & skf18("8","2","6","4","6","6","1") = "7"
    & skf18("8","2","6","4","6","7","1") = "7"
    & skf18("8","2","6","4","6","8","1") = "7"
    & skf18("8","2","6","4","6","9","1") = "8"
    & skf18("8","2","6","4","6","10","1") = "9"
    & skf18("8","2","6","4","7","1","1") = "7"
    & skf18("8","2","6","4","7","2","1") = "7"
    & skf18("8","2","6","4","7","3","1") = "7"
    & skf18("8","2","6","4","7","4","1") = "7"
    & skf18("8","2","6","4","7","5","1") = "7"
    & skf18("8","2","6","4","7","6","1") = "7"
    & skf18("8","2","6","4","7","7","1") = "7"
    & skf18("8","2","6","4","7","8","1") = "7"
    & skf18("8","2","6","4","7","9","1") = "8"
    & skf18("8","2","6","4","7","10","1") = "9"
    & skf18("8","2","6","4","8","1","1") = "7"
    & skf18("8","2","6","4","8","2","1") = "7"
    & skf18("8","2","6","4","8","3","1") = "7"
    & skf18("8","2","6","4","8","4","1") = "7"
    & skf18("8","2","6","4","8","5","1") = "7"
    & skf18("8","2","6","4","8","6","1") = "7"
    & skf18("8","2","6","4","8","7","1") = "7"
    & skf18("8","2","6","4","8","8","1") = "7"
    & skf18("8","2","6","4","8","9","1") = "8"
    & skf18("8","2","6","4","8","10","1") = "9"
    & skf18("8","2","6","4","9","1","1") = "8"
    & skf18("8","2","6","4","9","2","1") = "8"
    & skf18("8","2","6","4","9","3","1") = "8"
    & skf18("8","2","6","4","9","4","1") = "8"
    & skf18("8","2","6","4","9","5","1") = "8"
    & skf18("8","2","6","4","9","6","1") = "8"
    & skf18("8","2","6","4","9","7","1") = "8"
    & skf18("8","2","6","4","9","8","1") = "8"
    & skf18("8","2","6","4","9","9","1") = "8"
    & skf18("8","2","6","4","9","10","1") = "9"
    & skf18("8","2","6","4","10","1","1") = "9"
    & skf18("8","2","6","4","10","2","1") = "9"
    & skf18("8","2","6","4","10","3","1") = "9"
    & skf18("8","2","6","4","10","4","1") = "9"
    & skf18("8","2","6","4","10","5","1") = "9"
    & skf18("8","2","6","4","10","6","1") = "9"
    & skf18("8","2","6","4","10","7","1") = "9"
    & skf18("8","2","6","4","10","8","1") = "9"
    & skf18("8","2","6","4","10","9","1") = "9"
    & skf18("8","2","6","4","10","10","1") = "9"
    & skf18("8","2","6","5","1","1","1") = "7"
    & skf18("8","2","6","5","1","2","1") = "7"
    & skf18("8","2","6","5","1","3","1") = "7"
    & skf18("8","2","6","5","1","4","1") = "7"
    & skf18("8","2","6","5","1","5","1") = "7"
    & skf18("8","2","6","5","1","6","1") = "7"
    & skf18("8","2","6","5","1","7","1") = "7"
    & skf18("8","2","6","5","1","8","1") = "7"
    & skf18("8","2","6","5","1","9","1") = "8"
    & skf18("8","2","6","5","1","10","1") = "9"
    & skf18("8","2","6","5","2","1","1") = "7"
    & skf18("8","2","6","5","2","2","1") = "7"
    & skf18("8","2","6","5","2","3","1") = "7"
    & skf18("8","2","6","5","2","4","1") = "7"
    & skf18("8","2","6","5","2","5","1") = "7"
    & skf18("8","2","6","5","2","6","1") = "7"
    & skf18("8","2","6","5","2","7","1") = "7"
    & skf18("8","2","6","5","2","8","1") = "7"
    & skf18("8","2","6","5","2","9","1") = "8"
    & skf18("8","2","6","5","2","10","1") = "9"
    & skf18("8","2","6","5","3","1","1") = "7"
    & skf18("8","2","6","5","3","2","1") = "7"
    & skf18("8","2","6","5","3","3","1") = "7"
    & skf18("8","2","6","5","3","4","1") = "7"
    & skf18("8","2","6","5","3","5","1") = "7"
    & skf18("8","2","6","5","3","6","1") = "7"
    & skf18("8","2","6","5","3","7","1") = "7"
    & skf18("8","2","6","5","3","8","1") = "7"
    & skf18("8","2","6","5","3","9","1") = "8"
    & skf18("8","2","6","5","3","10","1") = "9"
    & skf18("8","2","6","5","4","1","1") = "7"
    & skf18("8","2","6","5","4","2","1") = "7"
    & skf18("8","2","6","5","4","3","1") = "7"
    & skf18("8","2","6","5","4","4","1") = "7"
    & skf18("8","2","6","5","4","5","1") = "7"
    & skf18("8","2","6","5","4","6","1") = "7"
    & skf18("8","2","6","5","4","7","1") = "7"
    & skf18("8","2","6","5","4","8","1") = "7"
    & skf18("8","2","6","5","4","9","1") = "8"
    & skf18("8","2","6","5","4","10","1") = "9"
    & skf18("8","2","6","5","5","1","1") = "7"
    & skf18("8","2","6","5","5","2","1") = "7"
    & skf18("8","2","6","5","5","3","1") = "7"
    & skf18("8","2","6","5","5","4","1") = "7"
    & skf18("8","2","6","5","5","5","1") = "7"
    & skf18("8","2","6","5","5","6","1") = "7"
    & skf18("8","2","6","5","5","7","1") = "7"
    & skf18("8","2","6","5","5","8","1") = "7"
    & skf18("8","2","6","5","5","9","1") = "8"
    & skf18("8","2","6","5","5","10","1") = "9"
    & skf18("8","2","6","5","6","1","1") = "7"
    & skf18("8","2","6","5","6","2","1") = "7"
    & skf18("8","2","6","5","6","3","1") = "7"
    & skf18("8","2","6","5","6","4","1") = "7"
    & skf18("8","2","6","5","6","5","1") = "7"
    & skf18("8","2","6","5","6","6","1") = "7"
    & skf18("8","2","6","5","6","7","1") = "7"
    & skf18("8","2","6","5","6","8","1") = "7"
    & skf18("8","2","6","5","6","9","1") = "8"
    & skf18("8","2","6","5","6","10","1") = "9"
    & skf18("8","2","6","5","7","1","1") = "7"
    & skf18("8","2","6","5","7","2","1") = "7"
    & skf18("8","2","6","5","7","3","1") = "7"
    & skf18("8","2","6","5","7","4","1") = "7"
    & skf18("8","2","6","5","7","5","1") = "7"
    & skf18("8","2","6","5","7","6","1") = "7"
    & skf18("8","2","6","5","7","7","1") = "7"
    & skf18("8","2","6","5","7","8","1") = "7"
    & skf18("8","2","6","5","7","9","1") = "8"
    & skf18("8","2","6","5","7","10","1") = "9"
    & skf18("8","2","6","5","8","1","1") = "7"
    & skf18("8","2","6","5","8","2","1") = "7"
    & skf18("8","2","6","5","8","3","1") = "7"
    & skf18("8","2","6","5","8","4","1") = "7"
    & skf18("8","2","6","5","8","5","1") = "7"
    & skf18("8","2","6","5","8","6","1") = "7"
    & skf18("8","2","6","5","8","7","1") = "7"
    & skf18("8","2","6","5","8","8","1") = "7"
    & skf18("8","2","6","5","8","9","1") = "8"
    & skf18("8","2","6","5","8","10","1") = "9"
    & skf18("8","2","6","5","9","1","1") = "8"
    & skf18("8","2","6","5","9","2","1") = "8"
    & skf18("8","2","6","5","9","3","1") = "8"
    & skf18("8","2","6","5","9","4","1") = "8"
    & skf18("8","2","6","5","9","5","1") = "8"
    & skf18("8","2","6","5","9","6","1") = "8"
    & skf18("8","2","6","5","9","7","1") = "8"
    & skf18("8","2","6","5","9","8","1") = "8"
    & skf18("8","2","6","5","9","9","1") = "8"
    & skf18("8","2","6","5","9","10","1") = "9"
    & skf18("8","2","6","5","10","1","1") = "9"
    & skf18("8","2","6","5","10","2","1") = "9"
    & skf18("8","2","6","5","10","3","1") = "9"
    & skf18("8","2","6","5","10","4","1") = "9"
    & skf18("8","2","6","5","10","5","1") = "9"
    & skf18("8","2","6","5","10","6","1") = "9"
    & skf18("8","2","6","5","10","7","1") = "9"
    & skf18("8","2","6","5","10","8","1") = "9"
    & skf18("8","2","6","5","10","9","1") = "9"
    & skf18("8","2","6","5","10","10","1") = "9"
    & skf18("8","2","6","6","1","1","1") = "7"
    & skf18("8","2","6","6","1","2","1") = "7"
    & skf18("8","2","6","6","1","3","1") = "7"
    & skf18("8","2","6","6","1","4","1") = "7"
    & skf18("8","2","6","6","1","5","1") = "7"
    & skf18("8","2","6","6","1","6","1") = "7"
    & skf18("8","2","6","6","1","7","1") = "7"
    & skf18("8","2","6","6","1","8","1") = "7"
    & skf18("8","2","6","6","1","9","1") = "8"
    & skf18("8","2","6","6","1","10","1") = "9"
    & skf18("8","2","6","6","2","1","1") = "7"
    & skf18("8","2","6","6","2","2","1") = "7"
    & skf18("8","2","6","6","2","3","1") = "7"
    & skf18("8","2","6","6","2","4","1") = "7"
    & skf18("8","2","6","6","2","5","1") = "7"
    & skf18("8","2","6","6","2","6","1") = "7"
    & skf18("8","2","6","6","2","7","1") = "7"
    & skf18("8","2","6","6","2","8","1") = "7"
    & skf18("8","2","6","6","2","9","1") = "8"
    & skf18("8","2","6","6","2","10","1") = "9"
    & skf18("8","2","6","6","3","1","1") = "7"
    & skf18("8","2","6","6","3","2","1") = "7"
    & skf18("8","2","6","6","3","3","1") = "7"
    & skf18("8","2","6","6","3","4","1") = "7"
    & skf18("8","2","6","6","3","5","1") = "7"
    & skf18("8","2","6","6","3","6","1") = "7"
    & skf18("8","2","6","6","3","7","1") = "7"
    & skf18("8","2","6","6","3","8","1") = "7"
    & skf18("8","2","6","6","3","9","1") = "8"
    & skf18("8","2","6","6","3","10","1") = "9"
    & skf18("8","2","6","6","4","1","1") = "7"
    & skf18("8","2","6","6","4","2","1") = "7"
    & skf18("8","2","6","6","4","3","1") = "7"
    & skf18("8","2","6","6","4","4","1") = "7"
    & skf18("8","2","6","6","4","5","1") = "7"
    & skf18("8","2","6","6","4","6","1") = "7"
    & skf18("8","2","6","6","4","7","1") = "7"
    & skf18("8","2","6","6","4","8","1") = "7"
    & skf18("8","2","6","6","4","9","1") = "8"
    & skf18("8","2","6","6","4","10","1") = "9"
    & skf18("8","2","6","6","5","1","1") = "7"
    & skf18("8","2","6","6","5","2","1") = "7"
    & skf18("8","2","6","6","5","3","1") = "7"
    & skf18("8","2","6","6","5","4","1") = "7"
    & skf18("8","2","6","6","5","5","1") = "7"
    & skf18("8","2","6","6","5","6","1") = "7"
    & skf18("8","2","6","6","5","7","1") = "7"
    & skf18("8","2","6","6","5","8","1") = "7"
    & skf18("8","2","6","6","5","9","1") = "8"
    & skf18("8","2","6","6","5","10","1") = "9"
    & skf18("8","2","6","6","6","1","1") = "7"
    & skf18("8","2","6","6","6","2","1") = "7"
    & skf18("8","2","6","6","6","3","1") = "7"
    & skf18("8","2","6","6","6","4","1") = "7"
    & skf18("8","2","6","6","6","5","1") = "7"
    & skf18("8","2","6","6","6","6","1") = "7"
    & skf18("8","2","6","6","6","7","1") = "7"
    & skf18("8","2","6","6","6","8","1") = "7"
    & skf18("8","2","6","6","6","9","1") = "8"
    & skf18("8","2","6","6","6","10","1") = "9"
    & skf18("8","2","6","6","7","1","1") = "7"
    & skf18("8","2","6","6","7","2","1") = "7"
    & skf18("8","2","6","6","7","3","1") = "7"
    & skf18("8","2","6","6","7","4","1") = "7"
    & skf18("8","2","6","6","7","5","1") = "7"
    & skf18("8","2","6","6","7","6","1") = "7"
    & skf18("8","2","6","6","7","7","1") = "7"
    & skf18("8","2","6","6","7","8","1") = "7"
    & skf18("8","2","6","6","7","9","1") = "8"
    & skf18("8","2","6","6","7","10","1") = "9"
    & skf18("8","2","6","6","8","1","1") = "7"
    & skf18("8","2","6","6","8","2","1") = "7"
    & skf18("8","2","6","6","8","3","1") = "7"
    & skf18("8","2","6","6","8","4","1") = "7"
    & skf18("8","2","6","6","8","5","1") = "7"
    & skf18("8","2","6","6","8","6","1") = "7"
    & skf18("8","2","6","6","8","7","1") = "7"
    & skf18("8","2","6","6","8","8","1") = "7"
    & skf18("8","2","6","6","8","9","1") = "8"
    & skf18("8","2","6","6","8","10","1") = "9"
    & skf18("8","2","6","6","9","1","1") = "8"
    & skf18("8","2","6","6","9","2","1") = "8"
    & skf18("8","2","6","6","9","3","1") = "8"
    & skf18("8","2","6","6","9","4","1") = "8"
    & skf18("8","2","6","6","9","5","1") = "8"
    & skf18("8","2","6","6","9","6","1") = "8"
    & skf18("8","2","6","6","9","7","1") = "8"
    & skf18("8","2","6","6","9","8","1") = "8"
    & skf18("8","2","6","6","9","9","1") = "8"
    & skf18("8","2","6","6","9","10","1") = "9"
    & skf18("8","2","6","6","10","1","1") = "9"
    & skf18("8","2","6","6","10","2","1") = "9"
    & skf18("8","2","6","6","10","3","1") = "9"
    & skf18("8","2","6","6","10","4","1") = "9"
    & skf18("8","2","6","6","10","5","1") = "9"
    & skf18("8","2","6","6","10","6","1") = "9"
    & skf18("8","2","6","6","10","7","1") = "9"
    & skf18("8","2","6","6","10","8","1") = "9"
    & skf18("8","2","6","6","10","9","1") = "9"
    & skf18("8","2","6","6","10","10","1") = "9"
    & skf18("8","2","6","7","1","1","1") = "7"
    & skf18("8","2","6","7","1","2","1") = "7"
    & skf18("8","2","6","7","1","3","1") = "7"
    & skf18("8","2","6","7","1","4","1") = "7"
    & skf18("8","2","6","7","1","5","1") = "7"
    & skf18("8","2","6","7","1","6","1") = "7"
    & skf18("8","2","6","7","1","7","1") = "7"
    & skf18("8","2","6","7","1","8","1") = "7"
    & skf18("8","2","6","7","1","9","1") = "8"
    & skf18("8","2","6","7","1","10","1") = "9"
    & skf18("8","2","6","7","2","1","1") = "7"
    & skf18("8","2","6","7","2","2","1") = "7"
    & skf18("8","2","6","7","2","3","1") = "7"
    & skf18("8","2","6","7","2","4","1") = "7"
    & skf18("8","2","6","7","2","5","1") = "7"
    & skf18("8","2","6","7","2","6","1") = "7"
    & skf18("8","2","6","7","2","7","1") = "7"
    & skf18("8","2","6","7","2","8","1") = "7"
    & skf18("8","2","6","7","2","9","1") = "8"
    & skf18("8","2","6","7","2","10","1") = "9"
    & skf18("8","2","6","7","3","1","1") = "7"
    & skf18("8","2","6","7","3","2","1") = "7"
    & skf18("8","2","6","7","3","3","1") = "7"
    & skf18("8","2","6","7","3","4","1") = "7"
    & skf18("8","2","6","7","3","5","1") = "7"
    & skf18("8","2","6","7","3","6","1") = "7"
    & skf18("8","2","6","7","3","7","1") = "7"
    & skf18("8","2","6","7","3","8","1") = "7"
    & skf18("8","2","6","7","3","9","1") = "8"
    & skf18("8","2","6","7","3","10","1") = "9"
    & skf18("8","2","6","7","4","1","1") = "7"
    & skf18("8","2","6","7","4","2","1") = "7"
    & skf18("8","2","6","7","4","3","1") = "7"
    & skf18("8","2","6","7","4","4","1") = "7"
    & skf18("8","2","6","7","4","5","1") = "7"
    & skf18("8","2","6","7","4","6","1") = "7"
    & skf18("8","2","6","7","4","7","1") = "7"
    & skf18("8","2","6","7","4","8","1") = "7"
    & skf18("8","2","6","7","4","9","1") = "8"
    & skf18("8","2","6","7","4","10","1") = "9"
    & skf18("8","2","6","7","5","1","1") = "7"
    & skf18("8","2","6","7","5","2","1") = "7"
    & skf18("8","2","6","7","5","3","1") = "7"
    & skf18("8","2","6","7","5","4","1") = "7"
    & skf18("8","2","6","7","5","5","1") = "7"
    & skf18("8","2","6","7","5","6","1") = "7"
    & skf18("8","2","6","7","5","7","1") = "7"
    & skf18("8","2","6","7","5","8","1") = "7"
    & skf18("8","2","6","7","5","9","1") = "8"
    & skf18("8","2","6","7","5","10","1") = "9"
    & skf18("8","2","6","7","6","1","1") = "7"
    & skf18("8","2","6","7","6","2","1") = "7"
    & skf18("8","2","6","7","6","3","1") = "7"
    & skf18("8","2","6","7","6","4","1") = "7"
    & skf18("8","2","6","7","6","5","1") = "7"
    & skf18("8","2","6","7","6","6","1") = "7"
    & skf18("8","2","6","7","6","7","1") = "7"
    & skf18("8","2","6","7","6","8","1") = "7"
    & skf18("8","2","6","7","6","9","1") = "8"
    & skf18("8","2","6","7","6","10","1") = "9"
    & skf18("8","2","6","7","7","1","1") = "7"
    & skf18("8","2","6","7","7","2","1") = "7"
    & skf18("8","2","6","7","7","3","1") = "7"
    & skf18("8","2","6","7","7","4","1") = "7"
    & skf18("8","2","6","7","7","5","1") = "7"
    & skf18("8","2","6","7","7","6","1") = "7"
    & skf18("8","2","6","7","7","7","1") = "7"
    & skf18("8","2","6","7","7","8","1") = "7"
    & skf18("8","2","6","7","7","9","1") = "8"
    & skf18("8","2","6","7","7","10","1") = "9"
    & skf18("8","2","6","7","8","1","1") = "7"
    & skf18("8","2","6","7","8","2","1") = "7"
    & skf18("8","2","6","7","8","3","1") = "7"
    & skf18("8","2","6","7","8","4","1") = "7"
    & skf18("8","2","6","7","8","5","1") = "7"
    & skf18("8","2","6","7","8","6","1") = "7"
    & skf18("8","2","6","7","8","7","1") = "7"
    & skf18("8","2","6","7","8","8","1") = "7"
    & skf18("8","2","6","7","8","9","1") = "8"
    & skf18("8","2","6","7","8","10","1") = "9"
    & skf18("8","2","6","7","9","1","1") = "8"
    & skf18("8","2","6","7","9","2","1") = "8"
    & skf18("8","2","6","7","9","3","1") = "8"
    & skf18("8","2","6","7","9","4","1") = "8"
    & skf18("8","2","6","7","9","5","1") = "8"
    & skf18("8","2","6","7","9","6","1") = "8"
    & skf18("8","2","6","7","9","7","1") = "8"
    & skf18("8","2","6","7","9","8","1") = "8"
    & skf18("8","2","6","7","9","9","1") = "8"
    & skf18("8","2","6","7","9","10","1") = "9"
    & skf18("8","2","6","7","10","1","1") = "9"
    & skf18("8","2","6","7","10","2","1") = "9"
    & skf18("8","2","6","7","10","3","1") = "9"
    & skf18("8","2","6","7","10","4","1") = "9"
    & skf18("8","2","6","7","10","5","1") = "9"
    & skf18("8","2","6","7","10","6","1") = "9"
    & skf18("8","2","6","7","10","7","1") = "9"
    & skf18("8","2","6","7","10","8","1") = "9"
    & skf18("8","2","6","7","10","9","1") = "9"
    & skf18("8","2","6","7","10","10","1") = "9"
    & skf18("8","2","6","8","1","1","1") = "7"
    & skf18("8","2","6","8","1","2","1") = "7"
    & skf18("8","2","6","8","1","3","1") = "7"
    & skf18("8","2","6","8","1","4","1") = "7"
    & skf18("8","2","6","8","1","5","1") = "7"
    & skf18("8","2","6","8","1","6","1") = "7"
    & skf18("8","2","6","8","1","7","1") = "7"
    & skf18("8","2","6","8","1","8","1") = "7"
    & skf18("8","2","6","8","1","9","1") = "8"
    & skf18("8","2","6","8","1","10","1") = "9"
    & skf18("8","2","6","8","2","1","1") = "7"
    & skf18("8","2","6","8","2","2","1") = "7"
    & skf18("8","2","6","8","2","3","1") = "7"
    & skf18("8","2","6","8","2","4","1") = "7"
    & skf18("8","2","6","8","2","5","1") = "7"
    & skf18("8","2","6","8","2","6","1") = "7"
    & skf18("8","2","6","8","2","7","1") = "7"
    & skf18("8","2","6","8","2","8","1") = "7"
    & skf18("8","2","6","8","2","9","1") = "8"
    & skf18("8","2","6","8","2","10","1") = "9"
    & skf18("8","2","6","8","3","1","1") = "7"
    & skf18("8","2","6","8","3","2","1") = "7"
    & skf18("8","2","6","8","3","3","1") = "7"
    & skf18("8","2","6","8","3","4","1") = "7"
    & skf18("8","2","6","8","3","5","1") = "7"
    & skf18("8","2","6","8","3","6","1") = "7"
    & skf18("8","2","6","8","3","7","1") = "7"
    & skf18("8","2","6","8","3","8","1") = "7"
    & skf18("8","2","6","8","3","9","1") = "8"
    & skf18("8","2","6","8","3","10","1") = "9"
    & skf18("8","2","6","8","4","1","1") = "7"
    & skf18("8","2","6","8","4","2","1") = "7"
    & skf18("8","2","6","8","4","3","1") = "7"
    & skf18("8","2","6","8","4","4","1") = "7"
    & skf18("8","2","6","8","4","5","1") = "7"
    & skf18("8","2","6","8","4","6","1") = "7"
    & skf18("8","2","6","8","4","7","1") = "7"
    & skf18("8","2","6","8","4","8","1") = "7"
    & skf18("8","2","6","8","4","9","1") = "8"
    & skf18("8","2","6","8","4","10","1") = "9"
    & skf18("8","2","6","8","5","1","1") = "7"
    & skf18("8","2","6","8","5","2","1") = "7"
    & skf18("8","2","6","8","5","3","1") = "7"
    & skf18("8","2","6","8","5","4","1") = "7"
    & skf18("8","2","6","8","5","5","1") = "7"
    & skf18("8","2","6","8","5","6","1") = "7"
    & skf18("8","2","6","8","5","7","1") = "7"
    & skf18("8","2","6","8","5","8","1") = "7"
    & skf18("8","2","6","8","5","9","1") = "8"
    & skf18("8","2","6","8","5","10","1") = "9"
    & skf18("8","2","6","8","6","1","1") = "7"
    & skf18("8","2","6","8","6","2","1") = "7"
    & skf18("8","2","6","8","6","3","1") = "7"
    & skf18("8","2","6","8","6","4","1") = "7"
    & skf18("8","2","6","8","6","5","1") = "7"
    & skf18("8","2","6","8","6","6","1") = "7"
    & skf18("8","2","6","8","6","7","1") = "7"
    & skf18("8","2","6","8","6","8","1") = "7"
    & skf18("8","2","6","8","6","9","1") = "8"
    & skf18("8","2","6","8","6","10","1") = "9"
    & skf18("8","2","6","8","7","1","1") = "7"
    & skf18("8","2","6","8","7","2","1") = "7"
    & skf18("8","2","6","8","7","3","1") = "7"
    & skf18("8","2","6","8","7","4","1") = "7"
    & skf18("8","2","6","8","7","5","1") = "7"
    & skf18("8","2","6","8","7","6","1") = "7"
    & skf18("8","2","6","8","7","7","1") = "7"
    & skf18("8","2","6","8","7","8","1") = "7"
    & skf18("8","2","6","8","7","9","1") = "8"
    & skf18("8","2","6","8","7","10","1") = "9"
    & skf18("8","2","6","8","8","1","1") = "7"
    & skf18("8","2","6","8","8","2","1") = "7"
    & skf18("8","2","6","8","8","3","1") = "7"
    & skf18("8","2","6","8","8","4","1") = "7"
    & skf18("8","2","6","8","8","5","1") = "7"
    & skf18("8","2","6","8","8","6","1") = "7"
    & skf18("8","2","6","8","8","7","1") = "7"
    & skf18("8","2","6","8","8","8","1") = "7"
    & skf18("8","2","6","8","8","9","1") = "8"
    & skf18("8","2","6","8","8","10","1") = "9"
    & skf18("8","2","6","8","9","1","1") = "8"
    & skf18("8","2","6","8","9","2","1") = "8"
    & skf18("8","2","6","8","9","3","1") = "8"
    & skf18("8","2","6","8","9","4","1") = "8"
    & skf18("8","2","6","8","9","5","1") = "8"
    & skf18("8","2","6","8","9","6","1") = "8"
    & skf18("8","2","6","8","9","7","1") = "8"
    & skf18("8","2","6","8","9","8","1") = "8"
    & skf18("8","2","6","8","9","9","1") = "8"
    & skf18("8","2","6","8","9","10","1") = "9"
    & skf18("8","2","6","8","10","1","1") = "9"
    & skf18("8","2","6","8","10","2","1") = "9"
    & skf18("8","2","6","8","10","3","1") = "9"
    & skf18("8","2","6","8","10","4","1") = "9"
    & skf18("8","2","6","8","10","5","1") = "9"
    & skf18("8","2","6","8","10","6","1") = "9"
    & skf18("8","2","6","8","10","7","1") = "9"
    & skf18("8","2","6","8","10","8","1") = "9"
    & skf18("8","2","6","8","10","9","1") = "9"
    & skf18("8","2","6","8","10","10","1") = "9"
    & skf18("8","2","6","9","1","1","1") = "8"
    & skf18("8","2","6","9","1","2","1") = "8"
    & skf18("8","2","6","9","1","3","1") = "8"
    & skf18("8","2","6","9","1","4","1") = "8"
    & skf18("8","2","6","9","1","5","1") = "8"
    & skf18("8","2","6","9","1","6","1") = "8"
    & skf18("8","2","6","9","1","7","1") = "8"
    & skf18("8","2","6","9","1","8","1") = "8"
    & skf18("8","2","6","9","1","9","1") = "8"
    & skf18("8","2","6","9","1","10","1") = "9"
    & skf18("8","2","6","9","2","1","1") = "8"
    & skf18("8","2","6","9","2","2","1") = "8"
    & skf18("8","2","6","9","2","3","1") = "8"
    & skf18("8","2","6","9","2","4","1") = "8"
    & skf18("8","2","6","9","2","5","1") = "8"
    & skf18("8","2","6","9","2","6","1") = "8"
    & skf18("8","2","6","9","2","7","1") = "8"
    & skf18("8","2","6","9","2","8","1") = "8"
    & skf18("8","2","6","9","2","9","1") = "8"
    & skf18("8","2","6","9","2","10","1") = "9"
    & skf18("8","2","6","9","3","1","1") = "8"
    & skf18("8","2","6","9","3","2","1") = "8"
    & skf18("8","2","6","9","3","3","1") = "8"
    & skf18("8","2","6","9","3","4","1") = "8"
    & skf18("8","2","6","9","3","5","1") = "8"
    & skf18("8","2","6","9","3","6","1") = "8"
    & skf18("8","2","6","9","3","7","1") = "8"
    & skf18("8","2","6","9","3","8","1") = "8"
    & skf18("8","2","6","9","3","9","1") = "8"
    & skf18("8","2","6","9","3","10","1") = "9"
    & skf18("8","2","6","9","4","1","1") = "8"
    & skf18("8","2","6","9","4","2","1") = "8"
    & skf18("8","2","6","9","4","3","1") = "8"
    & skf18("8","2","6","9","4","4","1") = "8"
    & skf18("8","2","6","9","4","5","1") = "8"
    & skf18("8","2","6","9","4","6","1") = "8"
    & skf18("8","2","6","9","4","7","1") = "8"
    & skf18("8","2","6","9","4","8","1") = "8"
    & skf18("8","2","6","9","4","9","1") = "8"
    & skf18("8","2","6","9","4","10","1") = "9"
    & skf18("8","2","6","9","5","1","1") = "8"
    & skf18("8","2","6","9","5","2","1") = "8"
    & skf18("8","2","6","9","5","3","1") = "8"
    & skf18("8","2","6","9","5","4","1") = "8"
    & skf18("8","2","6","9","5","5","1") = "8"
    & skf18("8","2","6","9","5","6","1") = "8"
    & skf18("8","2","6","9","5","7","1") = "8"
    & skf18("8","2","6","9","5","8","1") = "8"
    & skf18("8","2","6","9","5","9","1") = "8"
    & skf18("8","2","6","9","5","10","1") = "9"
    & skf18("8","2","6","9","6","1","1") = "8"
    & skf18("8","2","6","9","6","2","1") = "8"
    & skf18("8","2","6","9","6","3","1") = "8"
    & skf18("8","2","6","9","6","4","1") = "8"
    & skf18("8","2","6","9","6","5","1") = "8"
    & skf18("8","2","6","9","6","6","1") = "8"
    & skf18("8","2","6","9","6","7","1") = "8"
    & skf18("8","2","6","9","6","8","1") = "8"
    & skf18("8","2","6","9","6","9","1") = "8"
    & skf18("8","2","6","9","6","10","1") = "9"
    & skf18("8","2","6","9","7","1","1") = "8"
    & skf18("8","2","6","9","7","2","1") = "8"
    & skf18("8","2","6","9","7","3","1") = "8"
    & skf18("8","2","6","9","7","4","1") = "8"
    & skf18("8","2","6","9","7","5","1") = "8"
    & skf18("8","2","6","9","7","6","1") = "8"
    & skf18("8","2","6","9","7","7","1") = "8"
    & skf18("8","2","6","9","7","8","1") = "8"
    & skf18("8","2","6","9","7","9","1") = "8"
    & skf18("8","2","6","9","7","10","1") = "9"
    & skf18("8","2","6","9","8","1","1") = "8"
    & skf18("8","2","6","9","8","2","1") = "8"
    & skf18("8","2","6","9","8","3","1") = "8"
    & skf18("8","2","6","9","8","4","1") = "8"
    & skf18("8","2","6","9","8","5","1") = "8"
    & skf18("8","2","6","9","8","6","1") = "8"
    & skf18("8","2","6","9","8","7","1") = "8"
    & skf18("8","2","6","9","8","8","1") = "8"
    & skf18("8","2","6","9","8","9","1") = "8"
    & skf18("8","2","6","9","8","10","1") = "9"
    & skf18("8","2","6","9","9","1","1") = "8"
    & skf18("8","2","6","9","9","2","1") = "8"
    & skf18("8","2","6","9","9","3","1") = "8"
    & skf18("8","2","6","9","9","4","1") = "8"
    & skf18("8","2","6","9","9","5","1") = "8"
    & skf18("8","2","6","9","9","6","1") = "8"
    & skf18("8","2","6","9","9","7","1") = "8"
    & skf18("8","2","6","9","9","8","1") = "8"
    & skf18("8","2","6","9","9","9","1") = "8"
    & skf18("8","2","6","9","9","10","1") = "9"
    & skf18("8","2","6","9","10","1","1") = "9"
    & skf18("8","2","6","9","10","2","1") = "9"
    & skf18("8","2","6","9","10","3","1") = "9"
    & skf18("8","2","6","9","10","4","1") = "9"
    & skf18("8","2","6","9","10","5","1") = "9"
    & skf18("8","2","6","9","10","6","1") = "9"
    & skf18("8","2","6","9","10","7","1") = "9"
    & skf18("8","2","6","9","10","8","1") = "9"
    & skf18("8","2","6","9","10","9","1") = "9"
    & skf18("8","2","6","9","10","10","1") = "9"
    & skf18("8","2","6","10","1","1","1") = "9"
    & skf18("8","2","6","10","1","2","1") = "9"
    & skf18("8","2","6","10","1","3","1") = "9"
    & skf18("8","2","6","10","1","4","1") = "9"
    & skf18("8","2","6","10","1","5","1") = "9"
    & skf18("8","2","6","10","1","6","1") = "9"
    & skf18("8","2","6","10","1","7","1") = "9"
    & skf18("8","2","6","10","1","8","1") = "9"
    & skf18("8","2","6","10","1","9","1") = "9"
    & skf18("8","2","6","10","1","10","1") = "9"
    & skf18("8","2","6","10","2","1","1") = "9"
    & skf18("8","2","6","10","2","2","1") = "9"
    & skf18("8","2","6","10","2","3","1") = "9"
    & skf18("8","2","6","10","2","4","1") = "9"
    & skf18("8","2","6","10","2","5","1") = "9"
    & skf18("8","2","6","10","2","6","1") = "9"
    & skf18("8","2","6","10","2","7","1") = "9"
    & skf18("8","2","6","10","2","8","1") = "9"
    & skf18("8","2","6","10","2","9","1") = "9"
    & skf18("8","2","6","10","2","10","1") = "9"
    & skf18("8","2","6","10","3","1","1") = "9"
    & skf18("8","2","6","10","3","2","1") = "9"
    & skf18("8","2","6","10","3","3","1") = "9"
    & skf18("8","2","6","10","3","4","1") = "9"
    & skf18("8","2","6","10","3","5","1") = "9"
    & skf18("8","2","6","10","3","6","1") = "9"
    & skf18("8","2","6","10","3","7","1") = "9"
    & skf18("8","2","6","10","3","8","1") = "9"
    & skf18("8","2","6","10","3","9","1") = "9"
    & skf18("8","2","6","10","3","10","1") = "9"
    & skf18("8","2","6","10","4","1","1") = "9"
    & skf18("8","2","6","10","4","2","1") = "9"
    & skf18("8","2","6","10","4","3","1") = "9"
    & skf18("8","2","6","10","4","4","1") = "9"
    & skf18("8","2","6","10","4","5","1") = "9"
    & skf18("8","2","6","10","4","6","1") = "9"
    & skf18("8","2","6","10","4","7","1") = "9"
    & skf18("8","2","6","10","4","8","1") = "9"
    & skf18("8","2","6","10","4","9","1") = "9"
    & skf18("8","2","6","10","4","10","1") = "9"
    & skf18("8","2","6","10","5","1","1") = "9"
    & skf18("8","2","6","10","5","2","1") = "9"
    & skf18("8","2","6","10","5","3","1") = "9"
    & skf18("8","2","6","10","5","4","1") = "9"
    & skf18("8","2","6","10","5","5","1") = "9"
    & skf18("8","2","6","10","5","6","1") = "9"
    & skf18("8","2","6","10","5","7","1") = "9"
    & skf18("8","2","6","10","5","8","1") = "9"
    & skf18("8","2","6","10","5","9","1") = "9"
    & skf18("8","2","6","10","5","10","1") = "9"
    & skf18("8","2","6","10","6","1","1") = "9"
    & skf18("8","2","6","10","6","2","1") = "9"
    & skf18("8","2","6","10","6","3","1") = "9"
    & skf18("8","2","6","10","6","4","1") = "9"
    & skf18("8","2","6","10","6","5","1") = "9"
    & skf18("8","2","6","10","6","6","1") = "9"
    & skf18("8","2","6","10","6","7","1") = "9"
    & skf18("8","2","6","10","6","8","1") = "9"
    & skf18("8","2","6","10","6","9","1") = "9"
    & skf18("8","2","6","10","6","10","1") = "9"
    & skf18("8","2","6","10","7","1","1") = "9"
    & skf18("8","2","6","10","7","2","1") = "9"
    & skf18("8","2","6","10","7","3","1") = "9"
    & skf18("8","2","6","10","7","4","1") = "9"
    & skf18("8","2","6","10","7","5","1") = "9"
    & skf18("8","2","6","10","7","6","1") = "9"
    & skf18("8","2","6","10","7","7","1") = "9"
    & skf18("8","2","6","10","7","8","1") = "9"
    & skf18("8","2","6","10","7","9","1") = "9"
    & skf18("8","2","6","10","7","10","1") = "9"
    & skf18("8","2","6","10","8","1","1") = "9"
    & skf18("8","2","6","10","8","2","1") = "9"
    & skf18("8","2","6","10","8","3","1") = "9"
    & skf18("8","2","6","10","8","4","1") = "9"
    & skf18("8","2","6","10","8","5","1") = "9"
    & skf18("8","2","6","10","8","6","1") = "9"
    & skf18("8","2","6","10","8","7","1") = "9"
    & skf18("8","2","6","10","8","8","1") = "9"
    & skf18("8","2","6","10","8","9","1") = "9"
    & skf18("8","2","6","10","8","10","1") = "9"
    & skf18("8","2","6","10","9","1","1") = "9"
    & skf18("8","2","6","10","9","2","1") = "9"
    & skf18("8","2","6","10","9","3","1") = "9"
    & skf18("8","2","6","10","9","4","1") = "9"
    & skf18("8","2","6","10","9","5","1") = "9"
    & skf18("8","2","6","10","9","6","1") = "9"
    & skf18("8","2","6","10","9","7","1") = "9"
    & skf18("8","2","6","10","9","8","1") = "9"
    & skf18("8","2","6","10","9","9","1") = "9"
    & skf18("8","2","6","10","9","10","1") = "9"
    & skf18("8","2","6","10","10","1","1") = "9"
    & skf18("8","2","6","10","10","2","1") = "9"
    & skf18("8","2","6","10","10","3","1") = "9"
    & skf18("8","2","6","10","10","4","1") = "9"
    & skf18("8","2","6","10","10","5","1") = "9"
    & skf18("8","2","6","10","10","6","1") = "9"
    & skf18("8","2","6","10","10","7","1") = "9"
    & skf18("8","2","6","10","10","8","1") = "9"
    & skf18("8","2","6","10","10","9","1") = "9"
    & skf18("8","2","6","10","10","10","1") = "9"
    & skf18("8","2","7","1","1","1","1") = "7"
    & skf18("8","2","7","1","1","2","1") = "7"
    & skf18("8","2","7","1","1","3","1") = "7"
    & skf18("8","2","7","1","1","4","1") = "7"
    & skf18("8","2","7","1","1","5","1") = "7"
    & skf18("8","2","7","1","1","6","1") = "7"
    & skf18("8","2","7","1","1","7","1") = "7"
    & skf18("8","2","7","1","1","8","1") = "7"
    & skf18("8","2","7","1","1","9","1") = "8"
    & skf18("8","2","7","1","1","10","1") = "9"
    & skf18("8","2","7","1","2","1","1") = "7"
    & skf18("8","2","7","1","2","2","1") = "7"
    & skf18("8","2","7","1","2","3","1") = "7"
    & skf18("8","2","7","1","2","4","1") = "7"
    & skf18("8","2","7","1","2","5","1") = "7"
    & skf18("8","2","7","1","2","6","1") = "7"
    & skf18("8","2","7","1","2","7","1") = "7"
    & skf18("8","2","7","1","2","8","1") = "7"
    & skf18("8","2","7","1","2","9","1") = "8"
    & skf18("8","2","7","1","2","10","1") = "9"
    & skf18("8","2","7","1","3","1","1") = "7"
    & skf18("8","2","7","1","3","2","1") = "7"
    & skf18("8","2","7","1","3","3","1") = "7"
    & skf18("8","2","7","1","3","4","1") = "7"
    & skf18("8","2","7","1","3","5","1") = "7"
    & skf18("8","2","7","1","3","6","1") = "7"
    & skf18("8","2","7","1","3","7","1") = "7"
    & skf18("8","2","7","1","3","8","1") = "7"
    & skf18("8","2","7","1","3","9","1") = "8"
    & skf18("8","2","7","1","3","10","1") = "9"
    & skf18("8","2","7","1","4","1","1") = "7"
    & skf18("8","2","7","1","4","2","1") = "7"
    & skf18("8","2","7","1","4","3","1") = "7"
    & skf18("8","2","7","1","4","4","1") = "7"
    & skf18("8","2","7","1","4","5","1") = "7"
    & skf18("8","2","7","1","4","6","1") = "7"
    & skf18("8","2","7","1","4","7","1") = "7"
    & skf18("8","2","7","1","4","8","1") = "7"
    & skf18("8","2","7","1","4","9","1") = "8"
    & skf18("8","2","7","1","4","10","1") = "9"
    & skf18("8","2","7","1","5","1","1") = "7"
    & skf18("8","2","7","1","5","2","1") = "7"
    & skf18("8","2","7","1","5","3","1") = "7"
    & skf18("8","2","7","1","5","4","1") = "7"
    & skf18("8","2","7","1","5","5","1") = "7"
    & skf18("8","2","7","1","5","6","1") = "7"
    & skf18("8","2","7","1","5","7","1") = "7"
    & skf18("8","2","7","1","5","8","1") = "7"
    & skf18("8","2","7","1","5","9","1") = "8"
    & skf18("8","2","7","1","5","10","1") = "9"
    & skf18("8","2","7","1","6","1","1") = "7"
    & skf18("8","2","7","1","6","2","1") = "7"
    & skf18("8","2","7","1","6","3","1") = "7"
    & skf18("8","2","7","1","6","4","1") = "7"
    & skf18("8","2","7","1","6","5","1") = "7"
    & skf18("8","2","7","1","6","6","1") = "7"
    & skf18("8","2","7","1","6","7","1") = "7"
    & skf18("8","2","7","1","6","8","1") = "7"
    & skf18("8","2","7","1","6","9","1") = "8"
    & skf18("8","2","7","1","6","10","1") = "9"
    & skf18("8","2","7","1","7","1","1") = "7"
    & skf18("8","2","7","1","7","2","1") = "7"
    & skf18("8","2","7","1","7","3","1") = "7"
    & skf18("8","2","7","1","7","4","1") = "7"
    & skf18("8","2","7","1","7","5","1") = "7"
    & skf18("8","2","7","1","7","6","1") = "7"
    & skf18("8","2","7","1","7","7","1") = "7"
    & skf18("8","2","7","1","7","8","1") = "7"
    & skf18("8","2","7","1","7","9","1") = "8"
    & skf18("8","2","7","1","7","10","1") = "9"
    & skf18("8","2","7","1","8","1","1") = "7"
    & skf18("8","2","7","1","8","2","1") = "7"
    & skf18("8","2","7","1","8","3","1") = "7"
    & skf18("8","2","7","1","8","4","1") = "7"
    & skf18("8","2","7","1","8","5","1") = "7"
    & skf18("8","2","7","1","8","6","1") = "7"
    & skf18("8","2","7","1","8","7","1") = "7"
    & skf18("8","2","7","1","8","8","1") = "7"
    & skf18("8","2","7","1","8","9","1") = "8"
    & skf18("8","2","7","1","8","10","1") = "9"
    & skf18("8","2","7","1","9","1","1") = "8"
    & skf18("8","2","7","1","9","2","1") = "8"
    & skf18("8","2","7","1","9","3","1") = "8"
    & skf18("8","2","7","1","9","4","1") = "8"
    & skf18("8","2","7","1","9","5","1") = "8"
    & skf18("8","2","7","1","9","6","1") = "8"
    & skf18("8","2","7","1","9","7","1") = "8"
    & skf18("8","2","7","1","9","8","1") = "8"
    & skf18("8","2","7","1","9","9","1") = "8"
    & skf18("8","2","7","1","9","10","1") = "9"
    & skf18("8","2","7","1","10","1","1") = "9"
    & skf18("8","2","7","1","10","2","1") = "9"
    & skf18("8","2","7","1","10","3","1") = "9"
    & skf18("8","2","7","1","10","4","1") = "9"
    & skf18("8","2","7","1","10","5","1") = "9"
    & skf18("8","2","7","1","10","6","1") = "9"
    & skf18("8","2","7","1","10","7","1") = "9"
    & skf18("8","2","7","1","10","8","1") = "9"
    & skf18("8","2","7","1","10","9","1") = "9"
    & skf18("8","2","7","1","10","10","1") = "9"
    & skf18("8","2","7","2","1","1","1") = "7"
    & skf18("8","2","7","2","1","2","1") = "7"
    & skf18("8","2","7","2","1","3","1") = "7"
    & skf18("8","2","7","2","1","4","1") = "7"
    & skf18("8","2","7","2","1","5","1") = "7"
    & skf18("8","2","7","2","1","6","1") = "7"
    & skf18("8","2","7","2","1","7","1") = "7"
    & skf18("8","2","7","2","1","8","1") = "7"
    & skf18("8","2","7","2","1","9","1") = "8"
    & skf18("8","2","7","2","1","10","1") = "9"
    & skf18("8","2","7","2","2","1","1") = "7"
    & skf18("8","2","7","2","2","2","1") = "7"
    & skf18("8","2","7","2","2","3","1") = "7"
    & skf18("8","2","7","2","2","4","1") = "7"
    & skf18("8","2","7","2","2","5","1") = "7"
    & skf18("8","2","7","2","2","6","1") = "7"
    & skf18("8","2","7","2","2","7","1") = "7"
    & skf18("8","2","7","2","2","8","1") = "7"
    & skf18("8","2","7","2","2","9","1") = "8"
    & skf18("8","2","7","2","2","10","1") = "9"
    & skf18("8","2","7","2","3","1","1") = "7"
    & skf18("8","2","7","2","3","2","1") = "7"
    & skf18("8","2","7","2","3","3","1") = "7"
    & skf18("8","2","7","2","3","4","1") = "7"
    & skf18("8","2","7","2","3","5","1") = "7"
    & skf18("8","2","7","2","3","6","1") = "7"
    & skf18("8","2","7","2","3","7","1") = "7"
    & skf18("8","2","7","2","3","8","1") = "7"
    & skf18("8","2","7","2","3","9","1") = "8"
    & skf18("8","2","7","2","3","10","1") = "9"
    & skf18("8","2","7","2","4","1","1") = "7"
    & skf18("8","2","7","2","4","2","1") = "7"
    & skf18("8","2","7","2","4","3","1") = "7"
    & skf18("8","2","7","2","4","4","1") = "7"
    & skf18("8","2","7","2","4","5","1") = "7"
    & skf18("8","2","7","2","4","6","1") = "7"
    & skf18("8","2","7","2","4","7","1") = "7"
    & skf18("8","2","7","2","4","8","1") = "7"
    & skf18("8","2","7","2","4","9","1") = "8"
    & skf18("8","2","7","2","4","10","1") = "9"
    & skf18("8","2","7","2","5","1","1") = "7"
    & skf18("8","2","7","2","5","2","1") = "7"
    & skf18("8","2","7","2","5","3","1") = "7"
    & skf18("8","2","7","2","5","4","1") = "7"
    & skf18("8","2","7","2","5","5","1") = "7"
    & skf18("8","2","7","2","5","6","1") = "7"
    & skf18("8","2","7","2","5","7","1") = "7"
    & skf18("8","2","7","2","5","8","1") = "7"
    & skf18("8","2","7","2","5","9","1") = "8"
    & skf18("8","2","7","2","5","10","1") = "9"
    & skf18("8","2","7","2","6","1","1") = "7"
    & skf18("8","2","7","2","6","2","1") = "7"
    & skf18("8","2","7","2","6","3","1") = "7"
    & skf18("8","2","7","2","6","4","1") = "7"
    & skf18("8","2","7","2","6","5","1") = "7"
    & skf18("8","2","7","2","6","6","1") = "7"
    & skf18("8","2","7","2","6","7","1") = "7"
    & skf18("8","2","7","2","6","8","1") = "7"
    & skf18("8","2","7","2","6","9","1") = "8"
    & skf18("8","2","7","2","6","10","1") = "9"
    & skf18("8","2","7","2","7","1","1") = "7"
    & skf18("8","2","7","2","7","2","1") = "7"
    & skf18("8","2","7","2","7","3","1") = "7"
    & skf18("8","2","7","2","7","4","1") = "7"
    & skf18("8","2","7","2","7","5","1") = "7"
    & skf18("8","2","7","2","7","6","1") = "7"
    & skf18("8","2","7","2","7","7","1") = "7"
    & skf18("8","2","7","2","7","8","1") = "7"
    & skf18("8","2","7","2","7","9","1") = "8"
    & skf18("8","2","7","2","7","10","1") = "9"
    & skf18("8","2","7","2","8","1","1") = "7"
    & skf18("8","2","7","2","8","2","1") = "7"
    & skf18("8","2","7","2","8","3","1") = "7"
    & skf18("8","2","7","2","8","4","1") = "7"
    & skf18("8","2","7","2","8","5","1") = "7"
    & skf18("8","2","7","2","8","6","1") = "7"
    & skf18("8","2","7","2","8","7","1") = "7"
    & skf18("8","2","7","2","8","8","1") = "7"
    & skf18("8","2","7","2","8","9","1") = "8"
    & skf18("8","2","7","2","8","10","1") = "9"
    & skf18("8","2","7","2","9","1","1") = "8"
    & skf18("8","2","7","2","9","2","1") = "8"
    & skf18("8","2","7","2","9","3","1") = "8"
    & skf18("8","2","7","2","9","4","1") = "8"
    & skf18("8","2","7","2","9","5","1") = "8"
    & skf18("8","2","7","2","9","6","1") = "8"
    & skf18("8","2","7","2","9","7","1") = "8"
    & skf18("8","2","7","2","9","8","1") = "8"
    & skf18("8","2","7","2","9","9","1") = "8"
    & skf18("8","2","7","2","9","10","1") = "9"
    & skf18("8","2","7","2","10","1","1") = "9"
    & skf18("8","2","7","2","10","2","1") = "9"
    & skf18("8","2","7","2","10","3","1") = "9"
    & skf18("8","2","7","2","10","4","1") = "9"
    & skf18("8","2","7","2","10","5","1") = "9"
    & skf18("8","2","7","2","10","6","1") = "9"
    & skf18("8","2","7","2","10","7","1") = "9"
    & skf18("8","2","7","2","10","8","1") = "9"
    & skf18("8","2","7","2","10","9","1") = "9"
    & skf18("8","2","7","2","10","10","1") = "9"
    & skf18("8","2","7","3","1","1","1") = "7"
    & skf18("8","2","7","3","1","2","1") = "7"
    & skf18("8","2","7","3","1","3","1") = "7"
    & skf18("8","2","7","3","1","4","1") = "7"
    & skf18("8","2","7","3","1","5","1") = "7"
    & skf18("8","2","7","3","1","6","1") = "7"
    & skf18("8","2","7","3","1","7","1") = "7"
    & skf18("8","2","7","3","1","8","1") = "7"
    & skf18("8","2","7","3","1","9","1") = "8"
    & skf18("8","2","7","3","1","10","1") = "9"
    & skf18("8","2","7","3","2","1","1") = "7"
    & skf18("8","2","7","3","2","2","1") = "7"
    & skf18("8","2","7","3","2","3","1") = "7"
    & skf18("8","2","7","3","2","4","1") = "7"
    & skf18("8","2","7","3","2","5","1") = "7"
    & skf18("8","2","7","3","2","6","1") = "7"
    & skf18("8","2","7","3","2","7","1") = "7"
    & skf18("8","2","7","3","2","8","1") = "7"
    & skf18("8","2","7","3","2","9","1") = "8"
    & skf18("8","2","7","3","2","10","1") = "9"
    & skf18("8","2","7","3","3","1","1") = "7"
    & skf18("8","2","7","3","3","2","1") = "7"
    & skf18("8","2","7","3","3","3","1") = "7"
    & skf18("8","2","7","3","3","4","1") = "7"
    & skf18("8","2","7","3","3","5","1") = "7"
    & skf18("8","2","7","3","3","6","1") = "7"
    & skf18("8","2","7","3","3","7","1") = "7"
    & skf18("8","2","7","3","3","8","1") = "7"
    & skf18("8","2","7","3","3","9","1") = "8"
    & skf18("8","2","7","3","3","10","1") = "9"
    & skf18("8","2","7","3","4","1","1") = "7"
    & skf18("8","2","7","3","4","2","1") = "7"
    & skf18("8","2","7","3","4","3","1") = "7"
    & skf18("8","2","7","3","4","4","1") = "7"
    & skf18("8","2","7","3","4","5","1") = "7"
    & skf18("8","2","7","3","4","6","1") = "7"
    & skf18("8","2","7","3","4","7","1") = "7"
    & skf18("8","2","7","3","4","8","1") = "7"
    & skf18("8","2","7","3","4","9","1") = "8"
    & skf18("8","2","7","3","4","10","1") = "9"
    & skf18("8","2","7","3","5","1","1") = "7"
    & skf18("8","2","7","3","5","2","1") = "7"
    & skf18("8","2","7","3","5","3","1") = "7"
    & skf18("8","2","7","3","5","4","1") = "7"
    & skf18("8","2","7","3","5","5","1") = "7"
    & skf18("8","2","7","3","5","6","1") = "7"
    & skf18("8","2","7","3","5","7","1") = "7"
    & skf18("8","2","7","3","5","8","1") = "7"
    & skf18("8","2","7","3","5","9","1") = "8"
    & skf18("8","2","7","3","5","10","1") = "9"
    & skf18("8","2","7","3","6","1","1") = "7"
    & skf18("8","2","7","3","6","2","1") = "7"
    & skf18("8","2","7","3","6","3","1") = "7"
    & skf18("8","2","7","3","6","4","1") = "7"
    & skf18("8","2","7","3","6","5","1") = "7"
    & skf18("8","2","7","3","6","6","1") = "7"
    & skf18("8","2","7","3","6","7","1") = "7"
    & skf18("8","2","7","3","6","8","1") = "7"
    & skf18("8","2","7","3","6","9","1") = "8"
    & skf18("8","2","7","3","6","10","1") = "9"
    & skf18("8","2","7","3","7","1","1") = "7"
    & skf18("8","2","7","3","7","2","1") = "7"
    & skf18("8","2","7","3","7","3","1") = "7"
    & skf18("8","2","7","3","7","4","1") = "7"
    & skf18("8","2","7","3","7","5","1") = "7"
    & skf18("8","2","7","3","7","6","1") = "7"
    & skf18("8","2","7","3","7","7","1") = "7"
    & skf18("8","2","7","3","7","8","1") = "7"
    & skf18("8","2","7","3","7","9","1") = "8"
    & skf18("8","2","7","3","7","10","1") = "9"
    & skf18("8","2","7","3","8","1","1") = "7"
    & skf18("8","2","7","3","8","2","1") = "7"
    & skf18("8","2","7","3","8","3","1") = "7"
    & skf18("8","2","7","3","8","4","1") = "7"
    & skf18("8","2","7","3","8","5","1") = "7"
    & skf18("8","2","7","3","8","6","1") = "7"
    & skf18("8","2","7","3","8","7","1") = "7"
    & skf18("8","2","7","3","8","8","1") = "7"
    & skf18("8","2","7","3","8","9","1") = "8"
    & skf18("8","2","7","3","8","10","1") = "9"
    & skf18("8","2","7","3","9","1","1") = "8"
    & skf18("8","2","7","3","9","2","1") = "8"
    & skf18("8","2","7","3","9","3","1") = "8"
    & skf18("8","2","7","3","9","4","1") = "8"
    & skf18("8","2","7","3","9","5","1") = "8"
    & skf18("8","2","7","3","9","6","1") = "8"
    & skf18("8","2","7","3","9","7","1") = "8"
    & skf18("8","2","7","3","9","8","1") = "8"
    & skf18("8","2","7","3","9","9","1") = "8"
    & skf18("8","2","7","3","9","10","1") = "9"
    & skf18("8","2","7","3","10","1","1") = "9"
    & skf18("8","2","7","3","10","2","1") = "9"
    & skf18("8","2","7","3","10","3","1") = "9"
    & skf18("8","2","7","3","10","4","1") = "9"
    & skf18("8","2","7","3","10","5","1") = "9"
    & skf18("8","2","7","3","10","6","1") = "9"
    & skf18("8","2","7","3","10","7","1") = "9"
    & skf18("8","2","7","3","10","8","1") = "9"
    & skf18("8","2","7","3","10","9","1") = "9"
    & skf18("8","2","7","3","10","10","1") = "9"
    & skf18("8","2","7","4","1","1","1") = "7"
    & skf18("8","2","7","4","1","2","1") = "7"
    & skf18("8","2","7","4","1","3","1") = "7"
    & skf18("8","2","7","4","1","4","1") = "7"
    & skf18("8","2","7","4","1","5","1") = "7"
    & skf18("8","2","7","4","1","6","1") = "7"
    & skf18("8","2","7","4","1","7","1") = "7"
    & skf18("8","2","7","4","1","8","1") = "7"
    & skf18("8","2","7","4","1","9","1") = "8"
    & skf18("8","2","7","4","1","10","1") = "9"
    & skf18("8","2","7","4","2","1","1") = "7"
    & skf18("8","2","7","4","2","2","1") = "7"
    & skf18("8","2","7","4","2","3","1") = "7"
    & skf18("8","2","7","4","2","4","1") = "7"
    & skf18("8","2","7","4","2","5","1") = "7"
    & skf18("8","2","7","4","2","6","1") = "7"
    & skf18("8","2","7","4","2","7","1") = "7"
    & skf18("8","2","7","4","2","8","1") = "7"
    & skf18("8","2","7","4","2","9","1") = "8"
    & skf18("8","2","7","4","2","10","1") = "9"
    & skf18("8","2","7","4","3","1","1") = "7"
    & skf18("8","2","7","4","3","2","1") = "7"
    & skf18("8","2","7","4","3","3","1") = "7"
    & skf18("8","2","7","4","3","4","1") = "7"
    & skf18("8","2","7","4","3","5","1") = "7"
    & skf18("8","2","7","4","3","6","1") = "7"
    & skf18("8","2","7","4","3","7","1") = "7"
    & skf18("8","2","7","4","3","8","1") = "7"
    & skf18("8","2","7","4","3","9","1") = "8"
    & skf18("8","2","7","4","3","10","1") = "9"
    & skf18("8","2","7","4","4","1","1") = "7"
    & skf18("8","2","7","4","4","2","1") = "7"
    & skf18("8","2","7","4","4","3","1") = "7"
    & skf18("8","2","7","4","4","4","1") = "7"
    & skf18("8","2","7","4","4","5","1") = "7"
    & skf18("8","2","7","4","4","6","1") = "7"
    & skf18("8","2","7","4","4","7","1") = "7"
    & skf18("8","2","7","4","4","8","1") = "7"
    & skf18("8","2","7","4","4","9","1") = "8"
    & skf18("8","2","7","4","4","10","1") = "9"
    & skf18("8","2","7","4","5","1","1") = "7"
    & skf18("8","2","7","4","5","2","1") = "7"
    & skf18("8","2","7","4","5","3","1") = "7"
    & skf18("8","2","7","4","5","4","1") = "7"
    & skf18("8","2","7","4","5","5","1") = "7"
    & skf18("8","2","7","4","5","6","1") = "7"
    & skf18("8","2","7","4","5","7","1") = "7"
    & skf18("8","2","7","4","5","8","1") = "7"
    & skf18("8","2","7","4","5","9","1") = "8"
    & skf18("8","2","7","4","5","10","1") = "9"
    & skf18("8","2","7","4","6","1","1") = "7"
    & skf18("8","2","7","4","6","2","1") = "7"
    & skf18("8","2","7","4","6","3","1") = "7"
    & skf18("8","2","7","4","6","4","1") = "7"
    & skf18("8","2","7","4","6","5","1") = "7"
    & skf18("8","2","7","4","6","6","1") = "7"
    & skf18("8","2","7","4","6","7","1") = "7"
    & skf18("8","2","7","4","6","8","1") = "7"
    & skf18("8","2","7","4","6","9","1") = "8"
    & skf18("8","2","7","4","6","10","1") = "9"
    & skf18("8","2","7","4","7","1","1") = "7"
    & skf18("8","2","7","4","7","2","1") = "7"
    & skf18("8","2","7","4","7","3","1") = "7"
    & skf18("8","2","7","4","7","4","1") = "7"
    & skf18("8","2","7","4","7","5","1") = "7"
    & skf18("8","2","7","4","7","6","1") = "7"
    & skf18("8","2","7","4","7","7","1") = "7"
    & skf18("8","2","7","4","7","8","1") = "7"
    & skf18("8","2","7","4","7","9","1") = "8"
    & skf18("8","2","7","4","7","10","1") = "9"
    & skf18("8","2","7","4","8","1","1") = "7"
    & skf18("8","2","7","4","8","2","1") = "7"
    & skf18("8","2","7","4","8","3","1") = "7"
    & skf18("8","2","7","4","8","4","1") = "7"
    & skf18("8","2","7","4","8","5","1") = "7"
    & skf18("8","2","7","4","8","6","1") = "7"
    & skf18("8","2","7","4","8","7","1") = "7"
    & skf18("8","2","7","4","8","8","1") = "7"
    & skf18("8","2","7","4","8","9","1") = "8"
    & skf18("8","2","7","4","8","10","1") = "9"
    & skf18("8","2","7","4","9","1","1") = "8"
    & skf18("8","2","7","4","9","2","1") = "8"
    & skf18("8","2","7","4","9","3","1") = "8"
    & skf18("8","2","7","4","9","4","1") = "8"
    & skf18("8","2","7","4","9","5","1") = "8"
    & skf18("8","2","7","4","9","6","1") = "8"
    & skf18("8","2","7","4","9","7","1") = "8"
    & skf18("8","2","7","4","9","8","1") = "8"
    & skf18("8","2","7","4","9","9","1") = "8"
    & skf18("8","2","7","4","9","10","1") = "9"
    & skf18("8","2","7","4","10","1","1") = "9"
    & skf18("8","2","7","4","10","2","1") = "9"
    & skf18("8","2","7","4","10","3","1") = "9"
    & skf18("8","2","7","4","10","4","1") = "9"
    & skf18("8","2","7","4","10","5","1") = "9"
    & skf18("8","2","7","4","10","6","1") = "9"
    & skf18("8","2","7","4","10","7","1") = "9"
    & skf18("8","2","7","4","10","8","1") = "9"
    & skf18("8","2","7","4","10","9","1") = "9"
    & skf18("8","2","7","4","10","10","1") = "9"
    & skf18("8","2","7","5","1","1","1") = "7"
    & skf18("8","2","7","5","1","2","1") = "7"
    & skf18("8","2","7","5","1","3","1") = "7"
    & skf18("8","2","7","5","1","4","1") = "7"
    & skf18("8","2","7","5","1","5","1") = "7"
    & skf18("8","2","7","5","1","6","1") = "7"
    & skf18("8","2","7","5","1","7","1") = "7"
    & skf18("8","2","7","5","1","8","1") = "7"
    & skf18("8","2","7","5","1","9","1") = "8"
    & skf18("8","2","7","5","1","10","1") = "9"
    & skf18("8","2","7","5","2","1","1") = "7"
    & skf18("8","2","7","5","2","2","1") = "7"
    & skf18("8","2","7","5","2","3","1") = "7"
    & skf18("8","2","7","5","2","4","1") = "7"
    & skf18("8","2","7","5","2","5","1") = "7"
    & skf18("8","2","7","5","2","6","1") = "7"
    & skf18("8","2","7","5","2","7","1") = "7"
    & skf18("8","2","7","5","2","8","1") = "7"
    & skf18("8","2","7","5","2","9","1") = "8"
    & skf18("8","2","7","5","2","10","1") = "9"
    & skf18("8","2","7","5","3","1","1") = "7"
    & skf18("8","2","7","5","3","2","1") = "7"
    & skf18("8","2","7","5","3","3","1") = "7"
    & skf18("8","2","7","5","3","4","1") = "7"
    & skf18("8","2","7","5","3","5","1") = "7"
    & skf18("8","2","7","5","3","6","1") = "7"
    & skf18("8","2","7","5","3","7","1") = "7"
    & skf18("8","2","7","5","3","8","1") = "7"
    & skf18("8","2","7","5","3","9","1") = "8"
    & skf18("8","2","7","5","3","10","1") = "9"
    & skf18("8","2","7","5","4","1","1") = "7"
    & skf18("8","2","7","5","4","2","1") = "7"
    & skf18("8","2","7","5","4","3","1") = "7"
    & skf18("8","2","7","5","4","4","1") = "7"
    & skf18("8","2","7","5","4","5","1") = "7"
    & skf18("8","2","7","5","4","6","1") = "7"
    & skf18("8","2","7","5","4","7","1") = "7"
    & skf18("8","2","7","5","4","8","1") = "7"
    & skf18("8","2","7","5","4","9","1") = "8"
    & skf18("8","2","7","5","4","10","1") = "9"
    & skf18("8","2","7","5","5","1","1") = "7"
    & skf18("8","2","7","5","5","2","1") = "7"
    & skf18("8","2","7","5","5","3","1") = "7"
    & skf18("8","2","7","5","5","4","1") = "7"
    & skf18("8","2","7","5","5","5","1") = "7"
    & skf18("8","2","7","5","5","6","1") = "7"
    & skf18("8","2","7","5","5","7","1") = "7"
    & skf18("8","2","7","5","5","8","1") = "7"
    & skf18("8","2","7","5","5","9","1") = "8"
    & skf18("8","2","7","5","5","10","1") = "9"
    & skf18("8","2","7","5","6","1","1") = "7"
    & skf18("8","2","7","5","6","2","1") = "7"
    & skf18("8","2","7","5","6","3","1") = "7"
    & skf18("8","2","7","5","6","4","1") = "7"
    & skf18("8","2","7","5","6","5","1") = "7"
    & skf18("8","2","7","5","6","6","1") = "7"
    & skf18("8","2","7","5","6","7","1") = "7"
    & skf18("8","2","7","5","6","8","1") = "7"
    & skf18("8","2","7","5","6","9","1") = "8"
    & skf18("8","2","7","5","6","10","1") = "9"
    & skf18("8","2","7","5","7","1","1") = "7"
    & skf18("8","2","7","5","7","2","1") = "7"
    & skf18("8","2","7","5","7","3","1") = "7"
    & skf18("8","2","7","5","7","4","1") = "7"
    & skf18("8","2","7","5","7","5","1") = "7"
    & skf18("8","2","7","5","7","6","1") = "7"
    & skf18("8","2","7","5","7","7","1") = "7"
    & skf18("8","2","7","5","7","8","1") = "7"
    & skf18("8","2","7","5","7","9","1") = "8"
    & skf18("8","2","7","5","7","10","1") = "9"
    & skf18("8","2","7","5","8","1","1") = "7"
    & skf18("8","2","7","5","8","2","1") = "7"
    & skf18("8","2","7","5","8","3","1") = "7"
    & skf18("8","2","7","5","8","4","1") = "7"
    & skf18("8","2","7","5","8","5","1") = "7"
    & skf18("8","2","7","5","8","6","1") = "7"
    & skf18("8","2","7","5","8","7","1") = "7"
    & skf18("8","2","7","5","8","8","1") = "7"
    & skf18("8","2","7","5","8","9","1") = "8"
    & skf18("8","2","7","5","8","10","1") = "9"
    & skf18("8","2","7","5","9","1","1") = "8"
    & skf18("8","2","7","5","9","2","1") = "8"
    & skf18("8","2","7","5","9","3","1") = "8"
    & skf18("8","2","7","5","9","4","1") = "8"
    & skf18("8","2","7","5","9","5","1") = "8"
    & skf18("8","2","7","5","9","6","1") = "8"
    & skf18("8","2","7","5","9","7","1") = "8"
    & skf18("8","2","7","5","9","8","1") = "8"
    & skf18("8","2","7","5","9","9","1") = "8"
    & skf18("8","2","7","5","9","10","1") = "9"
    & skf18("8","2","7","5","10","1","1") = "9"
    & skf18("8","2","7","5","10","2","1") = "9"
    & skf18("8","2","7","5","10","3","1") = "9"
    & skf18("8","2","7","5","10","4","1") = "9"
    & skf18("8","2","7","5","10","5","1") = "9"
    & skf18("8","2","7","5","10","6","1") = "9"
    & skf18("8","2","7","5","10","7","1") = "9"
    & skf18("8","2","7","5","10","8","1") = "9"
    & skf18("8","2","7","5","10","9","1") = "9"
    & skf18("8","2","7","5","10","10","1") = "9"
    & skf18("8","2","7","6","1","1","1") = "7"
    & skf18("8","2","7","6","1","2","1") = "7"
    & skf18("8","2","7","6","1","3","1") = "7"
    & skf18("8","2","7","6","1","4","1") = "7"
    & skf18("8","2","7","6","1","5","1") = "7"
    & skf18("8","2","7","6","1","6","1") = "7"
    & skf18("8","2","7","6","1","7","1") = "7"
    & skf18("8","2","7","6","1","8","1") = "7"
    & skf18("8","2","7","6","1","9","1") = "8"
    & skf18("8","2","7","6","1","10","1") = "9"
    & skf18("8","2","7","6","2","1","1") = "7"
    & skf18("8","2","7","6","2","2","1") = "7"
    & skf18("8","2","7","6","2","3","1") = "7"
    & skf18("8","2","7","6","2","4","1") = "7"
    & skf18("8","2","7","6","2","5","1") = "7"
    & skf18("8","2","7","6","2","6","1") = "7"
    & skf18("8","2","7","6","2","7","1") = "7"
    & skf18("8","2","7","6","2","8","1") = "7"
    & skf18("8","2","7","6","2","9","1") = "8"
    & skf18("8","2","7","6","2","10","1") = "9"
    & skf18("8","2","7","6","3","1","1") = "7"
    & skf18("8","2","7","6","3","2","1") = "7"
    & skf18("8","2","7","6","3","3","1") = "7"
    & skf18("8","2","7","6","3","4","1") = "7"
    & skf18("8","2","7","6","3","5","1") = "7"
    & skf18("8","2","7","6","3","6","1") = "7"
    & skf18("8","2","7","6","3","7","1") = "7"
    & skf18("8","2","7","6","3","8","1") = "7"
    & skf18("8","2","7","6","3","9","1") = "8"
    & skf18("8","2","7","6","3","10","1") = "9"
    & skf18("8","2","7","6","4","1","1") = "7"
    & skf18("8","2","7","6","4","2","1") = "7"
    & skf18("8","2","7","6","4","3","1") = "7"
    & skf18("8","2","7","6","4","4","1") = "7"
    & skf18("8","2","7","6","4","5","1") = "7"
    & skf18("8","2","7","6","4","6","1") = "7"
    & skf18("8","2","7","6","4","7","1") = "7"
    & skf18("8","2","7","6","4","8","1") = "7"
    & skf18("8","2","7","6","4","9","1") = "8"
    & skf18("8","2","7","6","4","10","1") = "9"
    & skf18("8","2","7","6","5","1","1") = "7"
    & skf18("8","2","7","6","5","2","1") = "7"
    & skf18("8","2","7","6","5","3","1") = "7"
    & skf18("8","2","7","6","5","4","1") = "7"
    & skf18("8","2","7","6","5","5","1") = "7"
    & skf18("8","2","7","6","5","6","1") = "7"
    & skf18("8","2","7","6","5","7","1") = "7"
    & skf18("8","2","7","6","5","8","1") = "7"
    & skf18("8","2","7","6","5","9","1") = "8"
    & skf18("8","2","7","6","5","10","1") = "9"
    & skf18("8","2","7","6","6","1","1") = "7"
    & skf18("8","2","7","6","6","2","1") = "7"
    & skf18("8","2","7","6","6","3","1") = "7"
    & skf18("8","2","7","6","6","4","1") = "7"
    & skf18("8","2","7","6","6","5","1") = "7"
    & skf18("8","2","7","6","6","6","1") = "7"
    & skf18("8","2","7","6","6","7","1") = "7"
    & skf18("8","2","7","6","6","8","1") = "7"
    & skf18("8","2","7","6","6","9","1") = "8"
    & skf18("8","2","7","6","6","10","1") = "9"
    & skf18("8","2","7","6","7","1","1") = "7"
    & skf18("8","2","7","6","7","2","1") = "7"
    & skf18("8","2","7","6","7","3","1") = "7"
    & skf18("8","2","7","6","7","4","1") = "7"
    & skf18("8","2","7","6","7","5","1") = "7"
    & skf18("8","2","7","6","7","6","1") = "7"
    & skf18("8","2","7","6","7","7","1") = "7"
    & skf18("8","2","7","6","7","8","1") = "7"
    & skf18("8","2","7","6","7","9","1") = "8"
    & skf18("8","2","7","6","7","10","1") = "9"
    & skf18("8","2","7","6","8","1","1") = "7"
    & skf18("8","2","7","6","8","2","1") = "7"
    & skf18("8","2","7","6","8","3","1") = "7"
    & skf18("8","2","7","6","8","4","1") = "7"
    & skf18("8","2","7","6","8","5","1") = "7"
    & skf18("8","2","7","6","8","6","1") = "7"
    & skf18("8","2","7","6","8","7","1") = "7"
    & skf18("8","2","7","6","8","8","1") = "7"
    & skf18("8","2","7","6","8","9","1") = "8"
    & skf18("8","2","7","6","8","10","1") = "9"
    & skf18("8","2","7","6","9","1","1") = "8"
    & skf18("8","2","7","6","9","2","1") = "8"
    & skf18("8","2","7","6","9","3","1") = "8"
    & skf18("8","2","7","6","9","4","1") = "8"
    & skf18("8","2","7","6","9","5","1") = "8"
    & skf18("8","2","7","6","9","6","1") = "8"
    & skf18("8","2","7","6","9","7","1") = "8"
    & skf18("8","2","7","6","9","8","1") = "8"
    & skf18("8","2","7","6","9","9","1") = "8"
    & skf18("8","2","7","6","9","10","1") = "9"
    & skf18("8","2","7","6","10","1","1") = "9"
    & skf18("8","2","7","6","10","2","1") = "9"
    & skf18("8","2","7","6","10","3","1") = "9"
    & skf18("8","2","7","6","10","4","1") = "9"
    & skf18("8","2","7","6","10","5","1") = "9"
    & skf18("8","2","7","6","10","6","1") = "9"
    & skf18("8","2","7","6","10","7","1") = "9"
    & skf18("8","2","7","6","10","8","1") = "9"
    & skf18("8","2","7","6","10","9","1") = "9"
    & skf18("8","2","7","6","10","10","1") = "9"
    & skf18("8","2","7","7","1","1","1") = "7"
    & skf18("8","2","7","7","1","2","1") = "7"
    & skf18("8","2","7","7","1","3","1") = "7"
    & skf18("8","2","7","7","1","4","1") = "7"
    & skf18("8","2","7","7","1","5","1") = "7"
    & skf18("8","2","7","7","1","6","1") = "7"
    & skf18("8","2","7","7","1","7","1") = "7"
    & skf18("8","2","7","7","1","8","1") = "7"
    & skf18("8","2","7","7","1","9","1") = "8"
    & skf18("8","2","7","7","1","10","1") = "9"
    & skf18("8","2","7","7","2","1","1") = "7"
    & skf18("8","2","7","7","2","2","1") = "7"
    & skf18("8","2","7","7","2","3","1") = "7"
    & skf18("8","2","7","7","2","4","1") = "7"
    & skf18("8","2","7","7","2","5","1") = "7"
    & skf18("8","2","7","7","2","6","1") = "7"
    & skf18("8","2","7","7","2","7","1") = "7"
    & skf18("8","2","7","7","2","8","1") = "7"
    & skf18("8","2","7","7","2","9","1") = "8"
    & skf18("8","2","7","7","2","10","1") = "9"
    & skf18("8","2","7","7","3","1","1") = "7"
    & skf18("8","2","7","7","3","2","1") = "7"
    & skf18("8","2","7","7","3","3","1") = "7"
    & skf18("8","2","7","7","3","4","1") = "7"
    & skf18("8","2","7","7","3","5","1") = "7"
    & skf18("8","2","7","7","3","6","1") = "7"
    & skf18("8","2","7","7","3","7","1") = "7"
    & skf18("8","2","7","7","3","8","1") = "7"
    & skf18("8","2","7","7","3","9","1") = "8"
    & skf18("8","2","7","7","3","10","1") = "9"
    & skf18("8","2","7","7","4","1","1") = "7"
    & skf18("8","2","7","7","4","2","1") = "7"
    & skf18("8","2","7","7","4","3","1") = "7"
    & skf18("8","2","7","7","4","4","1") = "7"
    & skf18("8","2","7","7","4","5","1") = "7"
    & skf18("8","2","7","7","4","6","1") = "7"
    & skf18("8","2","7","7","4","7","1") = "7"
    & skf18("8","2","7","7","4","8","1") = "7"
    & skf18("8","2","7","7","4","9","1") = "8"
    & skf18("8","2","7","7","4","10","1") = "9"
    & skf18("8","2","7","7","5","1","1") = "7"
    & skf18("8","2","7","7","5","2","1") = "7"
    & skf18("8","2","7","7","5","3","1") = "7"
    & skf18("8","2","7","7","5","4","1") = "7"
    & skf18("8","2","7","7","5","5","1") = "7"
    & skf18("8","2","7","7","5","6","1") = "7"
    & skf18("8","2","7","7","5","7","1") = "7"
    & skf18("8","2","7","7","5","8","1") = "7"
    & skf18("8","2","7","7","5","9","1") = "8"
    & skf18("8","2","7","7","5","10","1") = "9"
    & skf18("8","2","7","7","6","1","1") = "7"
    & skf18("8","2","7","7","6","2","1") = "7"
    & skf18("8","2","7","7","6","3","1") = "7"
    & skf18("8","2","7","7","6","4","1") = "7"
    & skf18("8","2","7","7","6","5","1") = "7"
    & skf18("8","2","7","7","6","6","1") = "7"
    & skf18("8","2","7","7","6","7","1") = "7"
    & skf18("8","2","7","7","6","8","1") = "7"
    & skf18("8","2","7","7","6","9","1") = "8"
    & skf18("8","2","7","7","6","10","1") = "9"
    & skf18("8","2","7","7","7","1","1") = "7"
    & skf18("8","2","7","7","7","2","1") = "7"
    & skf18("8","2","7","7","7","3","1") = "7"
    & skf18("8","2","7","7","7","4","1") = "7"
    & skf18("8","2","7","7","7","5","1") = "7"
    & skf18("8","2","7","7","7","6","1") = "7"
    & skf18("8","2","7","7","7","7","1") = "7"
    & skf18("8","2","7","7","7","8","1") = "7"
    & skf18("8","2","7","7","7","9","1") = "8"
    & skf18("8","2","7","7","7","10","1") = "9"
    & skf18("8","2","7","7","8","1","1") = "7"
    & skf18("8","2","7","7","8","2","1") = "7"
    & skf18("8","2","7","7","8","3","1") = "7"
    & skf18("8","2","7","7","8","4","1") = "7"
    & skf18("8","2","7","7","8","5","1") = "7"
    & skf18("8","2","7","7","8","6","1") = "7"
    & skf18("8","2","7","7","8","7","1") = "7"
    & skf18("8","2","7","7","8","8","1") = "7"
    & skf18("8","2","7","7","8","9","1") = "8"
    & skf18("8","2","7","7","8","10","1") = "9"
    & skf18("8","2","7","7","9","1","1") = "8"
    & skf18("8","2","7","7","9","2","1") = "8"
    & skf18("8","2","7","7","9","3","1") = "8"
    & skf18("8","2","7","7","9","4","1") = "8"
    & skf18("8","2","7","7","9","5","1") = "8"
    & skf18("8","2","7","7","9","6","1") = "8"
    & skf18("8","2","7","7","9","7","1") = "8"
    & skf18("8","2","7","7","9","8","1") = "8"
    & skf18("8","2","7","7","9","9","1") = "8"
    & skf18("8","2","7","7","9","10","1") = "9"
    & skf18("8","2","7","7","10","1","1") = "9"
    & skf18("8","2","7","7","10","2","1") = "9"
    & skf18("8","2","7","7","10","3","1") = "9"
    & skf18("8","2","7","7","10","4","1") = "9"
    & skf18("8","2","7","7","10","5","1") = "9"
    & skf18("8","2","7","7","10","6","1") = "9"
    & skf18("8","2","7","7","10","7","1") = "9"
    & skf18("8","2","7","7","10","8","1") = "9"
    & skf18("8","2","7","7","10","9","1") = "9"
    & skf18("8","2","7","7","10","10","1") = "9"
    & skf18("8","2","7","8","1","1","1") = "7"
    & skf18("8","2","7","8","1","2","1") = "7"
    & skf18("8","2","7","8","1","3","1") = "7"
    & skf18("8","2","7","8","1","4","1") = "7"
    & skf18("8","2","7","8","1","5","1") = "7"
    & skf18("8","2","7","8","1","6","1") = "7"
    & skf18("8","2","7","8","1","7","1") = "7"
    & skf18("8","2","7","8","1","8","1") = "7"
    & skf18("8","2","7","8","1","9","1") = "8"
    & skf18("8","2","7","8","1","10","1") = "9"
    & skf18("8","2","7","8","2","1","1") = "7"
    & skf18("8","2","7","8","2","2","1") = "7"
    & skf18("8","2","7","8","2","3","1") = "7"
    & skf18("8","2","7","8","2","4","1") = "7"
    & skf18("8","2","7","8","2","5","1") = "7"
    & skf18("8","2","7","8","2","6","1") = "7"
    & skf18("8","2","7","8","2","7","1") = "7"
    & skf18("8","2","7","8","2","8","1") = "7"
    & skf18("8","2","7","8","2","9","1") = "8"
    & skf18("8","2","7","8","2","10","1") = "9"
    & skf18("8","2","7","8","3","1","1") = "7"
    & skf18("8","2","7","8","3","2","1") = "7"
    & skf18("8","2","7","8","3","3","1") = "7"
    & skf18("8","2","7","8","3","4","1") = "7"
    & skf18("8","2","7","8","3","5","1") = "7"
    & skf18("8","2","7","8","3","6","1") = "7"
    & skf18("8","2","7","8","3","7","1") = "7"
    & skf18("8","2","7","8","3","8","1") = "7"
    & skf18("8","2","7","8","3","9","1") = "8"
    & skf18("8","2","7","8","3","10","1") = "9"
    & skf18("8","2","7","8","4","1","1") = "7"
    & skf18("8","2","7","8","4","2","1") = "7"
    & skf18("8","2","7","8","4","3","1") = "7"
    & skf18("8","2","7","8","4","4","1") = "7"
    & skf18("8","2","7","8","4","5","1") = "7"
    & skf18("8","2","7","8","4","6","1") = "7"
    & skf18("8","2","7","8","4","7","1") = "7"
    & skf18("8","2","7","8","4","8","1") = "7"
    & skf18("8","2","7","8","4","9","1") = "8"
    & skf18("8","2","7","8","4","10","1") = "9"
    & skf18("8","2","7","8","5","1","1") = "7"
    & skf18("8","2","7","8","5","2","1") = "7"
    & skf18("8","2","7","8","5","3","1") = "7"
    & skf18("8","2","7","8","5","4","1") = "7"
    & skf18("8","2","7","8","5","5","1") = "7"
    & skf18("8","2","7","8","5","6","1") = "7"
    & skf18("8","2","7","8","5","7","1") = "7"
    & skf18("8","2","7","8","5","8","1") = "7"
    & skf18("8","2","7","8","5","9","1") = "8"
    & skf18("8","2","7","8","5","10","1") = "9"
    & skf18("8","2","7","8","6","1","1") = "7"
    & skf18("8","2","7","8","6","2","1") = "7"
    & skf18("8","2","7","8","6","3","1") = "7"
    & skf18("8","2","7","8","6","4","1") = "7"
    & skf18("8","2","7","8","6","5","1") = "7"
    & skf18("8","2","7","8","6","6","1") = "7"
    & skf18("8","2","7","8","6","7","1") = "7"
    & skf18("8","2","7","8","6","8","1") = "7"
    & skf18("8","2","7","8","6","9","1") = "8"
    & skf18("8","2","7","8","6","10","1") = "9"
    & skf18("8","2","7","8","7","1","1") = "7"
    & skf18("8","2","7","8","7","2","1") = "7"
    & skf18("8","2","7","8","7","3","1") = "7"
    & skf18("8","2","7","8","7","4","1") = "7"
    & skf18("8","2","7","8","7","5","1") = "7"
    & skf18("8","2","7","8","7","6","1") = "7"
    & skf18("8","2","7","8","7","7","1") = "7"
    & skf18("8","2","7","8","7","8","1") = "7"
    & skf18("8","2","7","8","7","9","1") = "8"
    & skf18("8","2","7","8","7","10","1") = "9"
    & skf18("8","2","7","8","8","1","1") = "7"
    & skf18("8","2","7","8","8","2","1") = "7"
    & skf18("8","2","7","8","8","3","1") = "7"
    & skf18("8","2","7","8","8","4","1") = "7"
    & skf18("8","2","7","8","8","5","1") = "7"
    & skf18("8","2","7","8","8","6","1") = "7"
    & skf18("8","2","7","8","8","7","1") = "7"
    & skf18("8","2","7","8","8","8","1") = "7"
    & skf18("8","2","7","8","8","9","1") = "8"
    & skf18("8","2","7","8","8","10","1") = "9"
    & skf18("8","2","7","8","9","1","1") = "8"
    & skf18("8","2","7","8","9","2","1") = "8"
    & skf18("8","2","7","8","9","3","1") = "8"
    & skf18("8","2","7","8","9","4","1") = "8"
    & skf18("8","2","7","8","9","5","1") = "8"
    & skf18("8","2","7","8","9","6","1") = "8"
    & skf18("8","2","7","8","9","7","1") = "8"
    & skf18("8","2","7","8","9","8","1") = "8"
    & skf18("8","2","7","8","9","9","1") = "8"
    & skf18("8","2","7","8","9","10","1") = "9"
    & skf18("8","2","7","8","10","1","1") = "9"
    & skf18("8","2","7","8","10","2","1") = "9"
    & skf18("8","2","7","8","10","3","1") = "9"
    & skf18("8","2","7","8","10","4","1") = "9"
    & skf18("8","2","7","8","10","5","1") = "9"
    & skf18("8","2","7","8","10","6","1") = "9"
    & skf18("8","2","7","8","10","7","1") = "9"
    & skf18("8","2","7","8","10","8","1") = "9"
    & skf18("8","2","7","8","10","9","1") = "9"
    & skf18("8","2","7","8","10","10","1") = "9"
    & skf18("8","2","7","9","1","1","1") = "8"
    & skf18("8","2","7","9","1","2","1") = "8"
    & skf18("8","2","7","9","1","3","1") = "8"
    & skf18("8","2","7","9","1","4","1") = "8"
    & skf18("8","2","7","9","1","5","1") = "8"
    & skf18("8","2","7","9","1","6","1") = "8"
    & skf18("8","2","7","9","1","7","1") = "8"
    & skf18("8","2","7","9","1","8","1") = "8"
    & skf18("8","2","7","9","1","9","1") = "8"
    & skf18("8","2","7","9","1","10","1") = "9"
    & skf18("8","2","7","9","2","1","1") = "8"
    & skf18("8","2","7","9","2","2","1") = "8"
    & skf18("8","2","7","9","2","3","1") = "8"
    & skf18("8","2","7","9","2","4","1") = "8"
    & skf18("8","2","7","9","2","5","1") = "8"
    & skf18("8","2","7","9","2","6","1") = "8"
    & skf18("8","2","7","9","2","7","1") = "8"
    & skf18("8","2","7","9","2","8","1") = "8"
    & skf18("8","2","7","9","2","9","1") = "8"
    & skf18("8","2","7","9","2","10","1") = "9"
    & skf18("8","2","7","9","3","1","1") = "8"
    & skf18("8","2","7","9","3","2","1") = "8"
    & skf18("8","2","7","9","3","3","1") = "8"
    & skf18("8","2","7","9","3","4","1") = "8"
    & skf18("8","2","7","9","3","5","1") = "8"
    & skf18("8","2","7","9","3","6","1") = "8"
    & skf18("8","2","7","9","3","7","1") = "8"
    & skf18("8","2","7","9","3","8","1") = "8"
    & skf18("8","2","7","9","3","9","1") = "8"
    & skf18("8","2","7","9","3","10","1") = "9"
    & skf18("8","2","7","9","4","1","1") = "8"
    & skf18("8","2","7","9","4","2","1") = "8"
    & skf18("8","2","7","9","4","3","1") = "8"
    & skf18("8","2","7","9","4","4","1") = "8"
    & skf18("8","2","7","9","4","5","1") = "8"
    & skf18("8","2","7","9","4","6","1") = "8"
    & skf18("8","2","7","9","4","7","1") = "8"
    & skf18("8","2","7","9","4","8","1") = "8"
    & skf18("8","2","7","9","4","9","1") = "8"
    & skf18("8","2","7","9","4","10","1") = "9"
    & skf18("8","2","7","9","5","1","1") = "8"
    & skf18("8","2","7","9","5","2","1") = "8"
    & skf18("8","2","7","9","5","3","1") = "8"
    & skf18("8","2","7","9","5","4","1") = "8"
    & skf18("8","2","7","9","5","5","1") = "8"
    & skf18("8","2","7","9","5","6","1") = "8"
    & skf18("8","2","7","9","5","7","1") = "8"
    & skf18("8","2","7","9","5","8","1") = "8"
    & skf18("8","2","7","9","5","9","1") = "8"
    & skf18("8","2","7","9","5","10","1") = "9"
    & skf18("8","2","7","9","6","1","1") = "8"
    & skf18("8","2","7","9","6","2","1") = "8"
    & skf18("8","2","7","9","6","3","1") = "8"
    & skf18("8","2","7","9","6","4","1") = "8"
    & skf18("8","2","7","9","6","5","1") = "8"
    & skf18("8","2","7","9","6","6","1") = "8"
    & skf18("8","2","7","9","6","7","1") = "8"
    & skf18("8","2","7","9","6","8","1") = "8"
    & skf18("8","2","7","9","6","9","1") = "8"
    & skf18("8","2","7","9","6","10","1") = "9"
    & skf18("8","2","7","9","7","1","1") = "8"
    & skf18("8","2","7","9","7","2","1") = "8"
    & skf18("8","2","7","9","7","3","1") = "8"
    & skf18("8","2","7","9","7","4","1") = "8"
    & skf18("8","2","7","9","7","5","1") = "8"
    & skf18("8","2","7","9","7","6","1") = "8"
    & skf18("8","2","7","9","7","7","1") = "8"
    & skf18("8","2","7","9","7","8","1") = "8"
    & skf18("8","2","7","9","7","9","1") = "8"
    & skf18("8","2","7","9","7","10","1") = "9"
    & skf18("8","2","7","9","8","1","1") = "8"
    & skf18("8","2","7","9","8","2","1") = "8"
    & skf18("8","2","7","9","8","3","1") = "8"
    & skf18("8","2","7","9","8","4","1") = "8"
    & skf18("8","2","7","9","8","5","1") = "8"
    & skf18("8","2","7","9","8","6","1") = "8"
    & skf18("8","2","7","9","8","7","1") = "8"
    & skf18("8","2","7","9","8","8","1") = "8"
    & skf18("8","2","7","9","8","9","1") = "8"
    & skf18("8","2","7","9","8","10","1") = "9"
    & skf18("8","2","7","9","9","1","1") = "8"
    & skf18("8","2","7","9","9","2","1") = "8"
    & skf18("8","2","7","9","9","3","1") = "8"
    & skf18("8","2","7","9","9","4","1") = "8"
    & skf18("8","2","7","9","9","5","1") = "8"
    & skf18("8","2","7","9","9","6","1") = "8"
    & skf18("8","2","7","9","9","7","1") = "8"
    & skf18("8","2","7","9","9","8","1") = "8"
    & skf18("8","2","7","9","9","9","1") = "8"
    & skf18("8","2","7","9","9","10","1") = "9"
    & skf18("8","2","7","9","10","1","1") = "9"
    & skf18("8","2","7","9","10","2","1") = "9"
    & skf18("8","2","7","9","10","3","1") = "9"
    & skf18("8","2","7","9","10","4","1") = "9"
    & skf18("8","2","7","9","10","5","1") = "9"
    & skf18("8","2","7","9","10","6","1") = "9"
    & skf18("8","2","7","9","10","7","1") = "9"
    & skf18("8","2","7","9","10","8","1") = "9"
    & skf18("8","2","7","9","10","9","1") = "9"
    & skf18("8","2","7","9","10","10","1") = "9"
    & skf18("8","2","7","10","1","1","1") = "9"
    & skf18("8","2","7","10","1","2","1") = "9"
    & skf18("8","2","7","10","1","3","1") = "9"
    & skf18("8","2","7","10","1","4","1") = "9"
    & skf18("8","2","7","10","1","5","1") = "9"
    & skf18("8","2","7","10","1","6","1") = "9"
    & skf18("8","2","7","10","1","7","1") = "9"
    & skf18("8","2","7","10","1","8","1") = "9"
    & skf18("8","2","7","10","1","9","1") = "9"
    & skf18("8","2","7","10","1","10","1") = "9"
    & skf18("8","2","7","10","2","1","1") = "9"
    & skf18("8","2","7","10","2","2","1") = "9"
    & skf18("8","2","7","10","2","3","1") = "9"
    & skf18("8","2","7","10","2","4","1") = "9"
    & skf18("8","2","7","10","2","5","1") = "9"
    & skf18("8","2","7","10","2","6","1") = "9"
    & skf18("8","2","7","10","2","7","1") = "9"
    & skf18("8","2","7","10","2","8","1") = "9"
    & skf18("8","2","7","10","2","9","1") = "9"
    & skf18("8","2","7","10","2","10","1") = "9"
    & skf18("8","2","7","10","3","1","1") = "9"
    & skf18("8","2","7","10","3","2","1") = "9"
    & skf18("8","2","7","10","3","3","1") = "9"
    & skf18("8","2","7","10","3","4","1") = "9"
    & skf18("8","2","7","10","3","5","1") = "9"
    & skf18("8","2","7","10","3","6","1") = "9"
    & skf18("8","2","7","10","3","7","1") = "9"
    & skf18("8","2","7","10","3","8","1") = "9"
    & skf18("8","2","7","10","3","9","1") = "9"
    & skf18("8","2","7","10","3","10","1") = "9"
    & skf18("8","2","7","10","4","1","1") = "9"
    & skf18("8","2","7","10","4","2","1") = "9"
    & skf18("8","2","7","10","4","3","1") = "9"
    & skf18("8","2","7","10","4","4","1") = "9"
    & skf18("8","2","7","10","4","5","1") = "9"
    & skf18("8","2","7","10","4","6","1") = "9"
    & skf18("8","2","7","10","4","7","1") = "9"
    & skf18("8","2","7","10","4","8","1") = "9"
    & skf18("8","2","7","10","4","9","1") = "9"
    & skf18("8","2","7","10","4","10","1") = "9"
    & skf18("8","2","7","10","5","1","1") = "9"
    & skf18("8","2","7","10","5","2","1") = "9"
    & skf18("8","2","7","10","5","3","1") = "9"
    & skf18("8","2","7","10","5","4","1") = "9"
    & skf18("8","2","7","10","5","5","1") = "9"
    & skf18("8","2","7","10","5","6","1") = "9"
    & skf18("8","2","7","10","5","7","1") = "9"
    & skf18("8","2","7","10","5","8","1") = "9"
    & skf18("8","2","7","10","5","9","1") = "9"
    & skf18("8","2","7","10","5","10","1") = "9"
    & skf18("8","2","7","10","6","1","1") = "9"
    & skf18("8","2","7","10","6","2","1") = "9"
    & skf18("8","2","7","10","6","3","1") = "9"
    & skf18("8","2","7","10","6","4","1") = "9"
    & skf18("8","2","7","10","6","5","1") = "9"
    & skf18("8","2","7","10","6","6","1") = "9"
    & skf18("8","2","7","10","6","7","1") = "9"
    & skf18("8","2","7","10","6","8","1") = "9"
    & skf18("8","2","7","10","6","9","1") = "9"
    & skf18("8","2","7","10","6","10","1") = "9"
    & skf18("8","2","7","10","7","1","1") = "9"
    & skf18("8","2","7","10","7","2","1") = "9"
    & skf18("8","2","7","10","7","3","1") = "9"
    & skf18("8","2","7","10","7","4","1") = "9"
    & skf18("8","2","7","10","7","5","1") = "9"
    & skf18("8","2","7","10","7","6","1") = "9"
    & skf18("8","2","7","10","7","7","1") = "9"
    & skf18("8","2","7","10","7","8","1") = "9"
    & skf18("8","2","7","10","7","9","1") = "9"
    & skf18("8","2","7","10","7","10","1") = "9"
    & skf18("8","2","7","10","8","1","1") = "9"
    & skf18("8","2","7","10","8","2","1") = "9"
    & skf18("8","2","7","10","8","3","1") = "9"
    & skf18("8","2","7","10","8","4","1") = "9"
    & skf18("8","2","7","10","8","5","1") = "9"
    & skf18("8","2","7","10","8","6","1") = "9"
    & skf18("8","2","7","10","8","7","1") = "9"
    & skf18("8","2","7","10","8","8","1") = "9"
    & skf18("8","2","7","10","8","9","1") = "9"
    & skf18("8","2","7","10","8","10","1") = "9"
    & skf18("8","2","7","10","9","1","1") = "9"
    & skf18("8","2","7","10","9","2","1") = "9"
    & skf18("8","2","7","10","9","3","1") = "9"
    & skf18("8","2","7","10","9","4","1") = "9"
    & skf18("8","2","7","10","9","5","1") = "9"
    & skf18("8","2","7","10","9","6","1") = "9"
    & skf18("8","2","7","10","9","7","1") = "9"
    & skf18("8","2","7","10","9","8","1") = "9"
    & skf18("8","2","7","10","9","9","1") = "9"
    & skf18("8","2","7","10","9","10","1") = "9"
    & skf18("8","2","7","10","10","1","1") = "9"
    & skf18("8","2","7","10","10","2","1") = "9"
    & skf18("8","2","7","10","10","3","1") = "9"
    & skf18("8","2","7","10","10","4","1") = "9"
    & skf18("8","2","7","10","10","5","1") = "9"
    & skf18("8","2","7","10","10","6","1") = "9"
    & skf18("8","2","7","10","10","7","1") = "9"
    & skf18("8","2","7","10","10","8","1") = "9"
    & skf18("8","2","7","10","10","9","1") = "9"
    & skf18("8","2","7","10","10","10","1") = "9"
    & skf18("8","2","8","1","1","1","1") = "7"
    & skf18("8","2","8","1","1","2","1") = "7"
    & skf18("8","2","8","1","1","3","1") = "7"
    & skf18("8","2","8","1","1","4","1") = "7"
    & skf18("8","2","8","1","1","5","1") = "7"
    & skf18("8","2","8","1","1","6","1") = "7"
    & skf18("8","2","8","1","1","7","1") = "7"
    & skf18("8","2","8","1","1","8","1") = "7"
    & skf18("8","2","8","1","1","9","1") = "8"
    & skf18("8","2","8","1","1","10","1") = "9"
    & skf18("8","2","8","1","2","1","1") = "7"
    & skf18("8","2","8","1","2","2","1") = "7"
    & skf18("8","2","8","1","2","3","1") = "7"
    & skf18("8","2","8","1","2","4","1") = "7"
    & skf18("8","2","8","1","2","5","1") = "7"
    & skf18("8","2","8","1","2","6","1") = "7"
    & skf18("8","2","8","1","2","7","1") = "7"
    & skf18("8","2","8","1","2","8","1") = "7"
    & skf18("8","2","8","1","2","9","1") = "8"
    & skf18("8","2","8","1","2","10","1") = "9"
    & skf18("8","2","8","1","3","1","1") = "7"
    & skf18("8","2","8","1","3","2","1") = "7"
    & skf18("8","2","8","1","3","3","1") = "7"
    & skf18("8","2","8","1","3","4","1") = "7"
    & skf18("8","2","8","1","3","5","1") = "7"
    & skf18("8","2","8","1","3","6","1") = "7"
    & skf18("8","2","8","1","3","7","1") = "7"
    & skf18("8","2","8","1","3","8","1") = "7"
    & skf18("8","2","8","1","3","9","1") = "8"
    & skf18("8","2","8","1","3","10","1") = "9"
    & skf18("8","2","8","1","4","1","1") = "7"
    & skf18("8","2","8","1","4","2","1") = "7"
    & skf18("8","2","8","1","4","3","1") = "7"
    & skf18("8","2","8","1","4","4","1") = "7"
    & skf18("8","2","8","1","4","5","1") = "7"
    & skf18("8","2","8","1","4","6","1") = "7"
    & skf18("8","2","8","1","4","7","1") = "7"
    & skf18("8","2","8","1","4","8","1") = "7"
    & skf18("8","2","8","1","4","9","1") = "8"
    & skf18("8","2","8","1","4","10","1") = "9"
    & skf18("8","2","8","1","5","1","1") = "7"
    & skf18("8","2","8","1","5","2","1") = "7"
    & skf18("8","2","8","1","5","3","1") = "7"
    & skf18("8","2","8","1","5","4","1") = "7"
    & skf18("8","2","8","1","5","5","1") = "7"
    & skf18("8","2","8","1","5","6","1") = "7"
    & skf18("8","2","8","1","5","7","1") = "7"
    & skf18("8","2","8","1","5","8","1") = "7"
    & skf18("8","2","8","1","5","9","1") = "8"
    & skf18("8","2","8","1","5","10","1") = "9"
    & skf18("8","2","8","1","6","1","1") = "7"
    & skf18("8","2","8","1","6","2","1") = "7"
    & skf18("8","2","8","1","6","3","1") = "7"
    & skf18("8","2","8","1","6","4","1") = "7"
    & skf18("8","2","8","1","6","5","1") = "7"
    & skf18("8","2","8","1","6","6","1") = "7"
    & skf18("8","2","8","1","6","7","1") = "7"
    & skf18("8","2","8","1","6","8","1") = "7"
    & skf18("8","2","8","1","6","9","1") = "8"
    & skf18("8","2","8","1","6","10","1") = "9"
    & skf18("8","2","8","1","7","1","1") = "7"
    & skf18("8","2","8","1","7","2","1") = "7"
    & skf18("8","2","8","1","7","3","1") = "7"
    & skf18("8","2","8","1","7","4","1") = "7"
    & skf18("8","2","8","1","7","5","1") = "7"
    & skf18("8","2","8","1","7","6","1") = "7"
    & skf18("8","2","8","1","7","7","1") = "7"
    & skf18("8","2","8","1","7","8","1") = "7"
    & skf18("8","2","8","1","7","9","1") = "8"
    & skf18("8","2","8","1","7","10","1") = "9"
    & skf18("8","2","8","1","8","1","1") = "7"
    & skf18("8","2","8","1","8","2","1") = "7"
    & skf18("8","2","8","1","8","3","1") = "7"
    & skf18("8","2","8","1","8","4","1") = "7"
    & skf18("8","2","8","1","8","5","1") = "7"
    & skf18("8","2","8","1","8","6","1") = "7"
    & skf18("8","2","8","1","8","7","1") = "7"
    & skf18("8","2","8","1","8","8","1") = "7"
    & skf18("8","2","8","1","8","9","1") = "8"
    & skf18("8","2","8","1","8","10","1") = "9"
    & skf18("8","2","8","1","9","1","1") = "8"
    & skf18("8","2","8","1","9","2","1") = "8"
    & skf18("8","2","8","1","9","3","1") = "8"
    & skf18("8","2","8","1","9","4","1") = "8"
    & skf18("8","2","8","1","9","5","1") = "8"
    & skf18("8","2","8","1","9","6","1") = "8"
    & skf18("8","2","8","1","9","7","1") = "8"
    & skf18("8","2","8","1","9","8","1") = "8"
    & skf18("8","2","8","1","9","9","1") = "8"
    & skf18("8","2","8","1","9","10","1") = "9"
    & skf18("8","2","8","1","10","1","1") = "9"
    & skf18("8","2","8","1","10","2","1") = "9"
    & skf18("8","2","8","1","10","3","1") = "9"
    & skf18("8","2","8","1","10","4","1") = "9"
    & skf18("8","2","8","1","10","5","1") = "9"
    & skf18("8","2","8","1","10","6","1") = "9"
    & skf18("8","2","8","1","10","7","1") = "9"
    & skf18("8","2","8","1","10","8","1") = "9"
    & skf18("8","2","8","1","10","9","1") = "9"
    & skf18("8","2","8","1","10","10","1") = "9"
    & skf18("8","2","8","2","1","1","1") = "7"
    & skf18("8","2","8","2","1","2","1") = "7"
    & skf18("8","2","8","2","1","3","1") = "7"
    & skf18("8","2","8","2","1","4","1") = "7"
    & skf18("8","2","8","2","1","5","1") = "7"
    & skf18("8","2","8","2","1","6","1") = "7"
    & skf18("8","2","8","2","1","7","1") = "7"
    & skf18("8","2","8","2","1","8","1") = "7"
    & skf18("8","2","8","2","1","9","1") = "8"
    & skf18("8","2","8","2","1","10","1") = "9"
    & skf18("8","2","8","2","2","1","1") = "7"
    & skf18("8","2","8","2","2","2","1") = "7"
    & skf18("8","2","8","2","2","3","1") = "7"
    & skf18("8","2","8","2","2","4","1") = "7"
    & skf18("8","2","8","2","2","5","1") = "7"
    & skf18("8","2","8","2","2","6","1") = "7"
    & skf18("8","2","8","2","2","7","1") = "7"
    & skf18("8","2","8","2","2","8","1") = "7"
    & skf18("8","2","8","2","2","9","1") = "8"
    & skf18("8","2","8","2","2","10","1") = "9"
    & skf18("8","2","8","2","3","1","1") = "7"
    & skf18("8","2","8","2","3","2","1") = "7"
    & skf18("8","2","8","2","3","3","1") = "7"
    & skf18("8","2","8","2","3","4","1") = "7"
    & skf18("8","2","8","2","3","5","1") = "7"
    & skf18("8","2","8","2","3","6","1") = "7"
    & skf18("8","2","8","2","3","7","1") = "7"
    & skf18("8","2","8","2","3","8","1") = "7"
    & skf18("8","2","8","2","3","9","1") = "8"
    & skf18("8","2","8","2","3","10","1") = "9"
    & skf18("8","2","8","2","4","1","1") = "7"
    & skf18("8","2","8","2","4","2","1") = "7"
    & skf18("8","2","8","2","4","3","1") = "7"
    & skf18("8","2","8","2","4","4","1") = "7"
    & skf18("8","2","8","2","4","5","1") = "7"
    & skf18("8","2","8","2","4","6","1") = "7"
    & skf18("8","2","8","2","4","7","1") = "7"
    & skf18("8","2","8","2","4","8","1") = "7"
    & skf18("8","2","8","2","4","9","1") = "8"
    & skf18("8","2","8","2","4","10","1") = "9"
    & skf18("8","2","8","2","5","1","1") = "7"
    & skf18("8","2","8","2","5","2","1") = "7"
    & skf18("8","2","8","2","5","3","1") = "7"
    & skf18("8","2","8","2","5","4","1") = "7"
    & skf18("8","2","8","2","5","5","1") = "7"
    & skf18("8","2","8","2","5","6","1") = "7"
    & skf18("8","2","8","2","5","7","1") = "7"
    & skf18("8","2","8","2","5","8","1") = "7"
    & skf18("8","2","8","2","5","9","1") = "8"
    & skf18("8","2","8","2","5","10","1") = "9"
    & skf18("8","2","8","2","6","1","1") = "7"
    & skf18("8","2","8","2","6","2","1") = "7"
    & skf18("8","2","8","2","6","3","1") = "7"
    & skf18("8","2","8","2","6","4","1") = "7"
    & skf18("8","2","8","2","6","5","1") = "7"
    & skf18("8","2","8","2","6","6","1") = "7"
    & skf18("8","2","8","2","6","7","1") = "7"
    & skf18("8","2","8","2","6","8","1") = "7"
    & skf18("8","2","8","2","6","9","1") = "8"
    & skf18("8","2","8","2","6","10","1") = "9"
    & skf18("8","2","8","2","7","1","1") = "7"
    & skf18("8","2","8","2","7","2","1") = "7"
    & skf18("8","2","8","2","7","3","1") = "7"
    & skf18("8","2","8","2","7","4","1") = "7"
    & skf18("8","2","8","2","7","5","1") = "7"
    & skf18("8","2","8","2","7","6","1") = "7"
    & skf18("8","2","8","2","7","7","1") = "7"
    & skf18("8","2","8","2","7","8","1") = "7"
    & skf18("8","2","8","2","7","9","1") = "8"
    & skf18("8","2","8","2","7","10","1") = "9"
    & skf18("8","2","8","2","8","1","1") = "7"
    & skf18("8","2","8","2","8","2","1") = "7"
    & skf18("8","2","8","2","8","3","1") = "7"
    & skf18("8","2","8","2","8","4","1") = "7"
    & skf18("8","2","8","2","8","5","1") = "7"
    & skf18("8","2","8","2","8","6","1") = "7"
    & skf18("8","2","8","2","8","7","1") = "7"
    & skf18("8","2","8","2","8","8","1") = "7"
    & skf18("8","2","8","2","8","9","1") = "8"
    & skf18("8","2","8","2","8","10","1") = "9"
    & skf18("8","2","8","2","9","1","1") = "8"
    & skf18("8","2","8","2","9","2","1") = "8"
    & skf18("8","2","8","2","9","3","1") = "8"
    & skf18("8","2","8","2","9","4","1") = "8"
    & skf18("8","2","8","2","9","5","1") = "8"
    & skf18("8","2","8","2","9","6","1") = "8"
    & skf18("8","2","8","2","9","7","1") = "8"
    & skf18("8","2","8","2","9","8","1") = "8"
    & skf18("8","2","8","2","9","9","1") = "8"
    & skf18("8","2","8","2","9","10","1") = "9"
    & skf18("8","2","8","2","10","1","1") = "9"
    & skf18("8","2","8","2","10","2","1") = "9"
    & skf18("8","2","8","2","10","3","1") = "9"
    & skf18("8","2","8","2","10","4","1") = "9"
    & skf18("8","2","8","2","10","5","1") = "9"
    & skf18("8","2","8","2","10","6","1") = "9"
    & skf18("8","2","8","2","10","7","1") = "9"
    & skf18("8","2","8","2","10","8","1") = "9"
    & skf18("8","2","8","2","10","9","1") = "9"
    & skf18("8","2","8","2","10","10","1") = "9"
    & skf18("8","2","8","3","1","1","1") = "7"
    & skf18("8","2","8","3","1","2","1") = "7"
    & skf18("8","2","8","3","1","3","1") = "7"
    & skf18("8","2","8","3","1","4","1") = "7"
    & skf18("8","2","8","3","1","5","1") = "7"
    & skf18("8","2","8","3","1","6","1") = "7"
    & skf18("8","2","8","3","1","7","1") = "7"
    & skf18("8","2","8","3","1","8","1") = "7"
    & skf18("8","2","8","3","1","9","1") = "8"
    & skf18("8","2","8","3","1","10","1") = "9"
    & skf18("8","2","8","3","2","1","1") = "7"
    & skf18("8","2","8","3","2","2","1") = "7"
    & skf18("8","2","8","3","2","3","1") = "7"
    & skf18("8","2","8","3","2","4","1") = "7"
    & skf18("8","2","8","3","2","5","1") = "7"
    & skf18("8","2","8","3","2","6","1") = "7"
    & skf18("8","2","8","3","2","7","1") = "7"
    & skf18("8","2","8","3","2","8","1") = "7"
    & skf18("8","2","8","3","2","9","1") = "8"
    & skf18("8","2","8","3","2","10","1") = "9"
    & skf18("8","2","8","3","3","1","1") = "7"
    & skf18("8","2","8","3","3","2","1") = "7"
    & skf18("8","2","8","3","3","3","1") = "7"
    & skf18("8","2","8","3","3","4","1") = "7"
    & skf18("8","2","8","3","3","5","1") = "7"
    & skf18("8","2","8","3","3","6","1") = "7"
    & skf18("8","2","8","3","3","7","1") = "7"
    & skf18("8","2","8","3","3","8","1") = "7"
    & skf18("8","2","8","3","3","9","1") = "8"
    & skf18("8","2","8","3","3","10","1") = "9"
    & skf18("8","2","8","3","4","1","1") = "7"
    & skf18("8","2","8","3","4","2","1") = "7"
    & skf18("8","2","8","3","4","3","1") = "7"
    & skf18("8","2","8","3","4","4","1") = "7"
    & skf18("8","2","8","3","4","5","1") = "7"
    & skf18("8","2","8","3","4","6","1") = "7"
    & skf18("8","2","8","3","4","7","1") = "7"
    & skf18("8","2","8","3","4","8","1") = "7"
    & skf18("8","2","8","3","4","9","1") = "8"
    & skf18("8","2","8","3","4","10","1") = "9"
    & skf18("8","2","8","3","5","1","1") = "7"
    & skf18("8","2","8","3","5","2","1") = "7"
    & skf18("8","2","8","3","5","3","1") = "7"
    & skf18("8","2","8","3","5","4","1") = "7"
    & skf18("8","2","8","3","5","5","1") = "7"
    & skf18("8","2","8","3","5","6","1") = "7"
    & skf18("8","2","8","3","5","7","1") = "7"
    & skf18("8","2","8","3","5","8","1") = "7"
    & skf18("8","2","8","3","5","9","1") = "8"
    & skf18("8","2","8","3","5","10","1") = "9"
    & skf18("8","2","8","3","6","1","1") = "7"
    & skf18("8","2","8","3","6","2","1") = "7"
    & skf18("8","2","8","3","6","3","1") = "7"
    & skf18("8","2","8","3","6","4","1") = "7"
    & skf18("8","2","8","3","6","5","1") = "7"
    & skf18("8","2","8","3","6","6","1") = "7"
    & skf18("8","2","8","3","6","7","1") = "7"
    & skf18("8","2","8","3","6","8","1") = "7"
    & skf18("8","2","8","3","6","9","1") = "8"
    & skf18("8","2","8","3","6","10","1") = "9"
    & skf18("8","2","8","3","7","1","1") = "7"
    & skf18("8","2","8","3","7","2","1") = "7"
    & skf18("8","2","8","3","7","3","1") = "7"
    & skf18("8","2","8","3","7","4","1") = "7"
    & skf18("8","2","8","3","7","5","1") = "7"
    & skf18("8","2","8","3","7","6","1") = "7"
    & skf18("8","2","8","3","7","7","1") = "7"
    & skf18("8","2","8","3","7","8","1") = "7"
    & skf18("8","2","8","3","7","9","1") = "8"
    & skf18("8","2","8","3","7","10","1") = "9"
    & skf18("8","2","8","3","8","1","1") = "7"
    & skf18("8","2","8","3","8","2","1") = "7"
    & skf18("8","2","8","3","8","3","1") = "7"
    & skf18("8","2","8","3","8","4","1") = "7"
    & skf18("8","2","8","3","8","5","1") = "7"
    & skf18("8","2","8","3","8","6","1") = "7"
    & skf18("8","2","8","3","8","7","1") = "7"
    & skf18("8","2","8","3","8","8","1") = "7"
    & skf18("8","2","8","3","8","9","1") = "8"
    & skf18("8","2","8","3","8","10","1") = "9"
    & skf18("8","2","8","3","9","1","1") = "8"
    & skf18("8","2","8","3","9","2","1") = "8"
    & skf18("8","2","8","3","9","3","1") = "8"
    & skf18("8","2","8","3","9","4","1") = "8"
    & skf18("8","2","8","3","9","5","1") = "8"
    & skf18("8","2","8","3","9","6","1") = "8"
    & skf18("8","2","8","3","9","7","1") = "8"
    & skf18("8","2","8","3","9","8","1") = "8"
    & skf18("8","2","8","3","9","9","1") = "8"
    & skf18("8","2","8","3","9","10","1") = "9"
    & skf18("8","2","8","3","10","1","1") = "9"
    & skf18("8","2","8","3","10","2","1") = "9"
    & skf18("8","2","8","3","10","3","1") = "9"
    & skf18("8","2","8","3","10","4","1") = "9"
    & skf18("8","2","8","3","10","5","1") = "9"
    & skf18("8","2","8","3","10","6","1") = "9"
    & skf18("8","2","8","3","10","7","1") = "9"
    & skf18("8","2","8","3","10","8","1") = "9"
    & skf18("8","2","8","3","10","9","1") = "9"
    & skf18("8","2","8","3","10","10","1") = "9"
    & skf18("8","2","8","4","1","1","1") = "7"
    & skf18("8","2","8","4","1","2","1") = "7"
    & skf18("8","2","8","4","1","3","1") = "7"
    & skf18("8","2","8","4","1","4","1") = "7"
    & skf18("8","2","8","4","1","5","1") = "7"
    & skf18("8","2","8","4","1","6","1") = "7"
    & skf18("8","2","8","4","1","7","1") = "7"
    & skf18("8","2","8","4","1","8","1") = "7"
    & skf18("8","2","8","4","1","9","1") = "8"
    & skf18("8","2","8","4","1","10","1") = "9"
    & skf18("8","2","8","4","2","1","1") = "7"
    & skf18("8","2","8","4","2","2","1") = "7"
    & skf18("8","2","8","4","2","3","1") = "7"
    & skf18("8","2","8","4","2","4","1") = "7"
    & skf18("8","2","8","4","2","5","1") = "7"
    & skf18("8","2","8","4","2","6","1") = "7"
    & skf18("8","2","8","4","2","7","1") = "7"
    & skf18("8","2","8","4","2","8","1") = "7"
    & skf18("8","2","8","4","2","9","1") = "8"
    & skf18("8","2","8","4","2","10","1") = "9"
    & skf18("8","2","8","4","3","1","1") = "7"
    & skf18("8","2","8","4","3","2","1") = "7"
    & skf18("8","2","8","4","3","3","1") = "7"
    & skf18("8","2","8","4","3","4","1") = "7"
    & skf18("8","2","8","4","3","5","1") = "7"
    & skf18("8","2","8","4","3","6","1") = "7"
    & skf18("8","2","8","4","3","7","1") = "7"
    & skf18("8","2","8","4","3","8","1") = "7"
    & skf18("8","2","8","4","3","9","1") = "8"
    & skf18("8","2","8","4","3","10","1") = "9"
    & skf18("8","2","8","4","4","1","1") = "7"
    & skf18("8","2","8","4","4","2","1") = "7"
    & skf18("8","2","8","4","4","3","1") = "7"
    & skf18("8","2","8","4","4","4","1") = "7"
    & skf18("8","2","8","4","4","5","1") = "7"
    & skf18("8","2","8","4","4","6","1") = "7"
    & skf18("8","2","8","4","4","7","1") = "7"
    & skf18("8","2","8","4","4","8","1") = "7"
    & skf18("8","2","8","4","4","9","1") = "8"
    & skf18("8","2","8","4","4","10","1") = "9"
    & skf18("8","2","8","4","5","1","1") = "7"
    & skf18("8","2","8","4","5","2","1") = "7"
    & skf18("8","2","8","4","5","3","1") = "7"
    & skf18("8","2","8","4","5","4","1") = "7"
    & skf18("8","2","8","4","5","5","1") = "7"
    & skf18("8","2","8","4","5","6","1") = "7"
    & skf18("8","2","8","4","5","7","1") = "7"
    & skf18("8","2","8","4","5","8","1") = "7"
    & skf18("8","2","8","4","5","9","1") = "8"
    & skf18("8","2","8","4","5","10","1") = "9"
    & skf18("8","2","8","4","6","1","1") = "7"
    & skf18("8","2","8","4","6","2","1") = "7"
    & skf18("8","2","8","4","6","3","1") = "7"
    & skf18("8","2","8","4","6","4","1") = "7"
    & skf18("8","2","8","4","6","5","1") = "7"
    & skf18("8","2","8","4","6","6","1") = "7"
    & skf18("8","2","8","4","6","7","1") = "7"
    & skf18("8","2","8","4","6","8","1") = "7"
    & skf18("8","2","8","4","6","9","1") = "8"
    & skf18("8","2","8","4","6","10","1") = "9"
    & skf18("8","2","8","4","7","1","1") = "7"
    & skf18("8","2","8","4","7","2","1") = "7"
    & skf18("8","2","8","4","7","3","1") = "7"
    & skf18("8","2","8","4","7","4","1") = "7"
    & skf18("8","2","8","4","7","5","1") = "7"
    & skf18("8","2","8","4","7","6","1") = "7"
    & skf18("8","2","8","4","7","7","1") = "7"
    & skf18("8","2","8","4","7","8","1") = "7"
    & skf18("8","2","8","4","7","9","1") = "8"
    & skf18("8","2","8","4","7","10","1") = "9"
    & skf18("8","2","8","4","8","1","1") = "7"
    & skf18("8","2","8","4","8","2","1") = "7"
    & skf18("8","2","8","4","8","3","1") = "7"
    & skf18("8","2","8","4","8","4","1") = "7"
    & skf18("8","2","8","4","8","5","1") = "7"
    & skf18("8","2","8","4","8","6","1") = "7"
    & skf18("8","2","8","4","8","7","1") = "7"
    & skf18("8","2","8","4","8","8","1") = "7"
    & skf18("8","2","8","4","8","9","1") = "8"
    & skf18("8","2","8","4","8","10","1") = "9"
    & skf18("8","2","8","4","9","1","1") = "8"
    & skf18("8","2","8","4","9","2","1") = "8"
    & skf18("8","2","8","4","9","3","1") = "8"
    & skf18("8","2","8","4","9","4","1") = "8"
    & skf18("8","2","8","4","9","5","1") = "8"
    & skf18("8","2","8","4","9","6","1") = "8"
    & skf18("8","2","8","4","9","7","1") = "8"
    & skf18("8","2","8","4","9","8","1") = "8"
    & skf18("8","2","8","4","9","9","1") = "8"
    & skf18("8","2","8","4","9","10","1") = "9"
    & skf18("8","2","8","4","10","1","1") = "9"
    & skf18("8","2","8","4","10","2","1") = "9"
    & skf18("8","2","8","4","10","3","1") = "9"
    & skf18("8","2","8","4","10","4","1") = "9"
    & skf18("8","2","8","4","10","5","1") = "9"
    & skf18("8","2","8","4","10","6","1") = "9"
    & skf18("8","2","8","4","10","7","1") = "9"
    & skf18("8","2","8","4","10","8","1") = "9"
    & skf18("8","2","8","4","10","9","1") = "9"
    & skf18("8","2","8","4","10","10","1") = "9"
    & skf18("8","2","8","5","1","1","1") = "7"
    & skf18("8","2","8","5","1","2","1") = "7"
    & skf18("8","2","8","5","1","3","1") = "7"
    & skf18("8","2","8","5","1","4","1") = "7"
    & skf18("8","2","8","5","1","5","1") = "7"
    & skf18("8","2","8","5","1","6","1") = "7"
    & skf18("8","2","8","5","1","7","1") = "7"
    & skf18("8","2","8","5","1","8","1") = "7"
    & skf18("8","2","8","5","1","9","1") = "8"
    & skf18("8","2","8","5","1","10","1") = "9"
    & skf18("8","2","8","5","2","1","1") = "7"
    & skf18("8","2","8","5","2","2","1") = "7"
    & skf18("8","2","8","5","2","3","1") = "7"
    & skf18("8","2","8","5","2","4","1") = "7"
    & skf18("8","2","8","5","2","5","1") = "7"
    & skf18("8","2","8","5","2","6","1") = "7"
    & skf18("8","2","8","5","2","7","1") = "7"
    & skf18("8","2","8","5","2","8","1") = "7"
    & skf18("8","2","8","5","2","9","1") = "8"
    & skf18("8","2","8","5","2","10","1") = "9"
    & skf18("8","2","8","5","3","1","1") = "7"
    & skf18("8","2","8","5","3","2","1") = "7"
    & skf18("8","2","8","5","3","3","1") = "7"
    & skf18("8","2","8","5","3","4","1") = "7"
    & skf18("8","2","8","5","3","5","1") = "7"
    & skf18("8","2","8","5","3","6","1") = "7"
    & skf18("8","2","8","5","3","7","1") = "7"
    & skf18("8","2","8","5","3","8","1") = "7"
    & skf18("8","2","8","5","3","9","1") = "8"
    & skf18("8","2","8","5","3","10","1") = "9"
    & skf18("8","2","8","5","4","1","1") = "7"
    & skf18("8","2","8","5","4","2","1") = "7"
    & skf18("8","2","8","5","4","3","1") = "7"
    & skf18("8","2","8","5","4","4","1") = "7"
    & skf18("8","2","8","5","4","5","1") = "7"
    & skf18("8","2","8","5","4","6","1") = "7"
    & skf18("8","2","8","5","4","7","1") = "7"
    & skf18("8","2","8","5","4","8","1") = "7"
    & skf18("8","2","8","5","4","9","1") = "8"
    & skf18("8","2","8","5","4","10","1") = "9"
    & skf18("8","2","8","5","5","1","1") = "7"
    & skf18("8","2","8","5","5","2","1") = "7"
    & skf18("8","2","8","5","5","3","1") = "7"
    & skf18("8","2","8","5","5","4","1") = "7"
    & skf18("8","2","8","5","5","5","1") = "7"
    & skf18("8","2","8","5","5","6","1") = "7"
    & skf18("8","2","8","5","5","7","1") = "7"
    & skf18("8","2","8","5","5","8","1") = "7"
    & skf18("8","2","8","5","5","9","1") = "8"
    & skf18("8","2","8","5","5","10","1") = "9"
    & skf18("8","2","8","5","6","1","1") = "7"
    & skf18("8","2","8","5","6","2","1") = "7"
    & skf18("8","2","8","5","6","3","1") = "7"
    & skf18("8","2","8","5","6","4","1") = "7"
    & skf18("8","2","8","5","6","5","1") = "7"
    & skf18("8","2","8","5","6","6","1") = "7"
    & skf18("8","2","8","5","6","7","1") = "7"
    & skf18("8","2","8","5","6","8","1") = "7"
    & skf18("8","2","8","5","6","9","1") = "8"
    & skf18("8","2","8","5","6","10","1") = "9"
    & skf18("8","2","8","5","7","1","1") = "7"
    & skf18("8","2","8","5","7","2","1") = "7"
    & skf18("8","2","8","5","7","3","1") = "7"
    & skf18("8","2","8","5","7","4","1") = "7"
    & skf18("8","2","8","5","7","5","1") = "7"
    & skf18("8","2","8","5","7","6","1") = "7"
    & skf18("8","2","8","5","7","7","1") = "7"
    & skf18("8","2","8","5","7","8","1") = "7"
    & skf18("8","2","8","5","7","9","1") = "8"
    & skf18("8","2","8","5","7","10","1") = "9"
    & skf18("8","2","8","5","8","1","1") = "7"
    & skf18("8","2","8","5","8","2","1") = "7"
    & skf18("8","2","8","5","8","3","1") = "7"
    & skf18("8","2","8","5","8","4","1") = "7"
    & skf18("8","2","8","5","8","5","1") = "7"
    & skf18("8","2","8","5","8","6","1") = "7"
    & skf18("8","2","8","5","8","7","1") = "7"
    & skf18("8","2","8","5","8","8","1") = "7"
    & skf18("8","2","8","5","8","9","1") = "8"
    & skf18("8","2","8","5","8","10","1") = "9"
    & skf18("8","2","8","5","9","1","1") = "8"
    & skf18("8","2","8","5","9","2","1") = "8"
    & skf18("8","2","8","5","9","3","1") = "8"
    & skf18("8","2","8","5","9","4","1") = "8"
    & skf18("8","2","8","5","9","5","1") = "8"
    & skf18("8","2","8","5","9","6","1") = "8"
    & skf18("8","2","8","5","9","7","1") = "8"
    & skf18("8","2","8","5","9","8","1") = "8"
    & skf18("8","2","8","5","9","9","1") = "8"
    & skf18("8","2","8","5","9","10","1") = "9"
    & skf18("8","2","8","5","10","1","1") = "9"
    & skf18("8","2","8","5","10","2","1") = "9"
    & skf18("8","2","8","5","10","3","1") = "9"
    & skf18("8","2","8","5","10","4","1") = "9"
    & skf18("8","2","8","5","10","5","1") = "9"
    & skf18("8","2","8","5","10","6","1") = "9"
    & skf18("8","2","8","5","10","7","1") = "9"
    & skf18("8","2","8","5","10","8","1") = "9"
    & skf18("8","2","8","5","10","9","1") = "9"
    & skf18("8","2","8","5","10","10","1") = "9"
    & skf18("8","2","8","6","1","1","1") = "7"
    & skf18("8","2","8","6","1","2","1") = "7"
    & skf18("8","2","8","6","1","3","1") = "7"
    & skf18("8","2","8","6","1","4","1") = "7"
    & skf18("8","2","8","6","1","5","1") = "7"
    & skf18("8","2","8","6","1","6","1") = "7"
    & skf18("8","2","8","6","1","7","1") = "7"
    & skf18("8","2","8","6","1","8","1") = "7"
    & skf18("8","2","8","6","1","9","1") = "8"
    & skf18("8","2","8","6","1","10","1") = "9"
    & skf18("8","2","8","6","2","1","1") = "7"
    & skf18("8","2","8","6","2","2","1") = "7"
    & skf18("8","2","8","6","2","3","1") = "7"
    & skf18("8","2","8","6","2","4","1") = "7"
    & skf18("8","2","8","6","2","5","1") = "7"
    & skf18("8","2","8","6","2","6","1") = "7"
    & skf18("8","2","8","6","2","7","1") = "7"
    & skf18("8","2","8","6","2","8","1") = "7"
    & skf18("8","2","8","6","2","9","1") = "8"
    & skf18("8","2","8","6","2","10","1") = "9"
    & skf18("8","2","8","6","3","1","1") = "7"
    & skf18("8","2","8","6","3","2","1") = "7"
    & skf18("8","2","8","6","3","3","1") = "7"
    & skf18("8","2","8","6","3","4","1") = "7"
    & skf18("8","2","8","6","3","5","1") = "7"
    & skf18("8","2","8","6","3","6","1") = "7"
    & skf18("8","2","8","6","3","7","1") = "7"
    & skf18("8","2","8","6","3","8","1") = "7"
    & skf18("8","2","8","6","3","9","1") = "8"
    & skf18("8","2","8","6","3","10","1") = "9"
    & skf18("8","2","8","6","4","1","1") = "7"
    & skf18("8","2","8","6","4","2","1") = "7"
    & skf18("8","2","8","6","4","3","1") = "7"
    & skf18("8","2","8","6","4","4","1") = "7"
    & skf18("8","2","8","6","4","5","1") = "7"
    & skf18("8","2","8","6","4","6","1") = "7"
    & skf18("8","2","8","6","4","7","1") = "7"
    & skf18("8","2","8","6","4","8","1") = "7"
    & skf18("8","2","8","6","4","9","1") = "8"
    & skf18("8","2","8","6","4","10","1") = "9"
    & skf18("8","2","8","6","5","1","1") = "7"
    & skf18("8","2","8","6","5","2","1") = "7"
    & skf18("8","2","8","6","5","3","1") = "7"
    & skf18("8","2","8","6","5","4","1") = "7"
    & skf18("8","2","8","6","5","5","1") = "7"
    & skf18("8","2","8","6","5","6","1") = "7"
    & skf18("8","2","8","6","5","7","1") = "7"
    & skf18("8","2","8","6","5","8","1") = "7"
    & skf18("8","2","8","6","5","9","1") = "8"
    & skf18("8","2","8","6","5","10","1") = "9"
    & skf18("8","2","8","6","6","1","1") = "7"
    & skf18("8","2","8","6","6","2","1") = "7"
    & skf18("8","2","8","6","6","3","1") = "7"
    & skf18("8","2","8","6","6","4","1") = "7"
    & skf18("8","2","8","6","6","5","1") = "7"
    & skf18("8","2","8","6","6","6","1") = "7"
    & skf18("8","2","8","6","6","7","1") = "7"
    & skf18("8","2","8","6","6","8","1") = "7"
    & skf18("8","2","8","6","6","9","1") = "8"
    & skf18("8","2","8","6","6","10","1") = "9"
    & skf18("8","2","8","6","7","1","1") = "7"
    & skf18("8","2","8","6","7","2","1") = "7"
    & skf18("8","2","8","6","7","3","1") = "7"
    & skf18("8","2","8","6","7","4","1") = "7"
    & skf18("8","2","8","6","7","5","1") = "7"
    & skf18("8","2","8","6","7","6","1") = "7"
    & skf18("8","2","8","6","7","7","1") = "7"
    & skf18("8","2","8","6","7","8","1") = "7"
    & skf18("8","2","8","6","7","9","1") = "8"
    & skf18("8","2","8","6","7","10","1") = "9"
    & skf18("8","2","8","6","8","1","1") = "7"
    & skf18("8","2","8","6","8","2","1") = "7"
    & skf18("8","2","8","6","8","3","1") = "7"
    & skf18("8","2","8","6","8","4","1") = "7"
    & skf18("8","2","8","6","8","5","1") = "7"
    & skf18("8","2","8","6","8","6","1") = "7"
    & skf18("8","2","8","6","8","7","1") = "7"
    & skf18("8","2","8","6","8","8","1") = "7"
    & skf18("8","2","8","6","8","9","1") = "8"
    & skf18("8","2","8","6","8","10","1") = "9"
    & skf18("8","2","8","6","9","1","1") = "8"
    & skf18("8","2","8","6","9","2","1") = "8"
    & skf18("8","2","8","6","9","3","1") = "8"
    & skf18("8","2","8","6","9","4","1") = "8"
    & skf18("8","2","8","6","9","5","1") = "8"
    & skf18("8","2","8","6","9","6","1") = "8"
    & skf18("8","2","8","6","9","7","1") = "8"
    & skf18("8","2","8","6","9","8","1") = "8"
    & skf18("8","2","8","6","9","9","1") = "8"
    & skf18("8","2","8","6","9","10","1") = "9"
    & skf18("8","2","8","6","10","1","1") = "9"
    & skf18("8","2","8","6","10","2","1") = "9"
    & skf18("8","2","8","6","10","3","1") = "9"
    & skf18("8","2","8","6","10","4","1") = "9"
    & skf18("8","2","8","6","10","5","1") = "9"
    & skf18("8","2","8","6","10","6","1") = "9"
    & skf18("8","2","8","6","10","7","1") = "9"
    & skf18("8","2","8","6","10","8","1") = "9"
    & skf18("8","2","8","6","10","9","1") = "9"
    & skf18("8","2","8","6","10","10","1") = "9"
    & skf18("8","2","8","7","1","1","1") = "7"
    & skf18("8","2","8","7","1","2","1") = "7"
    & skf18("8","2","8","7","1","3","1") = "7"
    & skf18("8","2","8","7","1","4","1") = "7"
    & skf18("8","2","8","7","1","5","1") = "7"
    & skf18("8","2","8","7","1","6","1") = "7"
    & skf18("8","2","8","7","1","7","1") = "7"
    & skf18("8","2","8","7","1","8","1") = "7"
    & skf18("8","2","8","7","1","9","1") = "8"
    & skf18("8","2","8","7","1","10","1") = "9"
    & skf18("8","2","8","7","2","1","1") = "7"
    & skf18("8","2","8","7","2","2","1") = "7"
    & skf18("8","2","8","7","2","3","1") = "7"
    & skf18("8","2","8","7","2","4","1") = "7"
    & skf18("8","2","8","7","2","5","1") = "7"
    & skf18("8","2","8","7","2","6","1") = "7"
    & skf18("8","2","8","7","2","7","1") = "7"
    & skf18("8","2","8","7","2","8","1") = "7"
    & skf18("8","2","8","7","2","9","1") = "8"
    & skf18("8","2","8","7","2","10","1") = "9"
    & skf18("8","2","8","7","3","1","1") = "7"
    & skf18("8","2","8","7","3","2","1") = "7"
    & skf18("8","2","8","7","3","3","1") = "7"
    & skf18("8","2","8","7","3","4","1") = "7"
    & skf18("8","2","8","7","3","5","1") = "7"
    & skf18("8","2","8","7","3","6","1") = "7"
    & skf18("8","2","8","7","3","7","1") = "7"
    & skf18("8","2","8","7","3","8","1") = "7"
    & skf18("8","2","8","7","3","9","1") = "8"
    & skf18("8","2","8","7","3","10","1") = "9"
    & skf18("8","2","8","7","4","1","1") = "7"
    & skf18("8","2","8","7","4","2","1") = "7"
    & skf18("8","2","8","7","4","3","1") = "7"
    & skf18("8","2","8","7","4","4","1") = "7"
    & skf18("8","2","8","7","4","5","1") = "7"
    & skf18("8","2","8","7","4","6","1") = "7"
    & skf18("8","2","8","7","4","7","1") = "7"
    & skf18("8","2","8","7","4","8","1") = "7"
    & skf18("8","2","8","7","4","9","1") = "8"
    & skf18("8","2","8","7","4","10","1") = "9"
    & skf18("8","2","8","7","5","1","1") = "7"
    & skf18("8","2","8","7","5","2","1") = "7"
    & skf18("8","2","8","7","5","3","1") = "7"
    & skf18("8","2","8","7","5","4","1") = "7"
    & skf18("8","2","8","7","5","5","1") = "7"
    & skf18("8","2","8","7","5","6","1") = "7"
    & skf18("8","2","8","7","5","7","1") = "7"
    & skf18("8","2","8","7","5","8","1") = "7"
    & skf18("8","2","8","7","5","9","1") = "8"
    & skf18("8","2","8","7","5","10","1") = "9"
    & skf18("8","2","8","7","6","1","1") = "7"
    & skf18("8","2","8","7","6","2","1") = "7"
    & skf18("8","2","8","7","6","3","1") = "7"
    & skf18("8","2","8","7","6","4","1") = "7"
    & skf18("8","2","8","7","6","5","1") = "7"
    & skf18("8","2","8","7","6","6","1") = "7"
    & skf18("8","2","8","7","6","7","1") = "7"
    & skf18("8","2","8","7","6","8","1") = "7"
    & skf18("8","2","8","7","6","9","1") = "8"
    & skf18("8","2","8","7","6","10","1") = "9"
    & skf18("8","2","8","7","7","1","1") = "7"
    & skf18("8","2","8","7","7","2","1") = "7"
    & skf18("8","2","8","7","7","3","1") = "7"
    & skf18("8","2","8","7","7","4","1") = "7"
    & skf18("8","2","8","7","7","5","1") = "7"
    & skf18("8","2","8","7","7","6","1") = "7"
    & skf18("8","2","8","7","7","7","1") = "7"
    & skf18("8","2","8","7","7","8","1") = "7"
    & skf18("8","2","8","7","7","9","1") = "8"
    & skf18("8","2","8","7","7","10","1") = "9"
    & skf18("8","2","8","7","8","1","1") = "7"
    & skf18("8","2","8","7","8","2","1") = "7"
    & skf18("8","2","8","7","8","3","1") = "7"
    & skf18("8","2","8","7","8","4","1") = "7"
    & skf18("8","2","8","7","8","5","1") = "7"
    & skf18("8","2","8","7","8","6","1") = "7"
    & skf18("8","2","8","7","8","7","1") = "7"
    & skf18("8","2","8","7","8","8","1") = "7"
    & skf18("8","2","8","7","8","9","1") = "8"
    & skf18("8","2","8","7","8","10","1") = "9"
    & skf18("8","2","8","7","9","1","1") = "8"
    & skf18("8","2","8","7","9","2","1") = "8"
    & skf18("8","2","8","7","9","3","1") = "8"
    & skf18("8","2","8","7","9","4","1") = "8"
    & skf18("8","2","8","7","9","5","1") = "8"
    & skf18("8","2","8","7","9","6","1") = "8"
    & skf18("8","2","8","7","9","7","1") = "8"
    & skf18("8","2","8","7","9","8","1") = "8"
    & skf18("8","2","8","7","9","9","1") = "8"
    & skf18("8","2","8","7","9","10","1") = "9"
    & skf18("8","2","8","7","10","1","1") = "9"
    & skf18("8","2","8","7","10","2","1") = "9"
    & skf18("8","2","8","7","10","3","1") = "9"
    & skf18("8","2","8","7","10","4","1") = "9"
    & skf18("8","2","8","7","10","5","1") = "9"
    & skf18("8","2","8","7","10","6","1") = "9"
    & skf18("8","2","8","7","10","7","1") = "9"
    & skf18("8","2","8","7","10","8","1") = "9"
    & skf18("8","2","8","7","10","9","1") = "9"
    & skf18("8","2","8","7","10","10","1") = "9"
    & skf18("8","2","8","8","1","1","1") = "7"
    & skf18("8","2","8","8","1","2","1") = "7"
    & skf18("8","2","8","8","1","3","1") = "7"
    & skf18("8","2","8","8","1","4","1") = "7"
    & skf18("8","2","8","8","1","5","1") = "7"
    & skf18("8","2","8","8","1","6","1") = "7"
    & skf18("8","2","8","8","1","7","1") = "7"
    & skf18("8","2","8","8","1","8","1") = "7"
    & skf18("8","2","8","8","1","9","1") = "8"
    & skf18("8","2","8","8","1","10","1") = "9"
    & skf18("8","2","8","8","2","1","1") = "7"
    & skf18("8","2","8","8","2","2","1") = "7"
    & skf18("8","2","8","8","2","3","1") = "7"
    & skf18("8","2","8","8","2","4","1") = "7"
    & skf18("8","2","8","8","2","5","1") = "7"
    & skf18("8","2","8","8","2","6","1") = "7"
    & skf18("8","2","8","8","2","7","1") = "7"
    & skf18("8","2","8","8","2","8","1") = "7"
    & skf18("8","2","8","8","2","9","1") = "8"
    & skf18("8","2","8","8","2","10","1") = "9"
    & skf18("8","2","8","8","3","1","1") = "7"
    & skf18("8","2","8","8","3","2","1") = "7"
    & skf18("8","2","8","8","3","3","1") = "7"
    & skf18("8","2","8","8","3","4","1") = "7"
    & skf18("8","2","8","8","3","5","1") = "7"
    & skf18("8","2","8","8","3","6","1") = "7"
    & skf18("8","2","8","8","3","7","1") = "7"
    & skf18("8","2","8","8","3","8","1") = "7"
    & skf18("8","2","8","8","3","9","1") = "8"
    & skf18("8","2","8","8","3","10","1") = "9"
    & skf18("8","2","8","8","4","1","1") = "7"
    & skf18("8","2","8","8","4","2","1") = "7"
    & skf18("8","2","8","8","4","3","1") = "7"
    & skf18("8","2","8","8","4","4","1") = "7"
    & skf18("8","2","8","8","4","5","1") = "7"
    & skf18("8","2","8","8","4","6","1") = "7"
    & skf18("8","2","8","8","4","7","1") = "7"
    & skf18("8","2","8","8","4","8","1") = "7"
    & skf18("8","2","8","8","4","9","1") = "8"
    & skf18("8","2","8","8","4","10","1") = "9"
    & skf18("8","2","8","8","5","1","1") = "7"
    & skf18("8","2","8","8","5","2","1") = "7"
    & skf18("8","2","8","8","5","3","1") = "7"
    & skf18("8","2","8","8","5","4","1") = "7"
    & skf18("8","2","8","8","5","5","1") = "7"
    & skf18("8","2","8","8","5","6","1") = "7"
    & skf18("8","2","8","8","5","7","1") = "7"
    & skf18("8","2","8","8","5","8","1") = "7"
    & skf18("8","2","8","8","5","9","1") = "8"
    & skf18("8","2","8","8","5","10","1") = "9"
    & skf18("8","2","8","8","6","1","1") = "7"
    & skf18("8","2","8","8","6","2","1") = "7"
    & skf18("8","2","8","8","6","3","1") = "7"
    & skf18("8","2","8","8","6","4","1") = "7"
    & skf18("8","2","8","8","6","5","1") = "7"
    & skf18("8","2","8","8","6","6","1") = "7"
    & skf18("8","2","8","8","6","7","1") = "7"
    & skf18("8","2","8","8","6","8","1") = "7"
    & skf18("8","2","8","8","6","9","1") = "8"
    & skf18("8","2","8","8","6","10","1") = "9"
    & skf18("8","2","8","8","7","1","1") = "7"
    & skf18("8","2","8","8","7","2","1") = "7"
    & skf18("8","2","8","8","7","3","1") = "7"
    & skf18("8","2","8","8","7","4","1") = "7"
    & skf18("8","2","8","8","7","5","1") = "7"
    & skf18("8","2","8","8","7","6","1") = "7"
    & skf18("8","2","8","8","7","7","1") = "7"
    & skf18("8","2","8","8","7","8","1") = "7"
    & skf18("8","2","8","8","7","9","1") = "8"
    & skf18("8","2","8","8","7","10","1") = "9"
    & skf18("8","2","8","8","8","1","1") = "7"
    & skf18("8","2","8","8","8","2","1") = "7"
    & skf18("8","2","8","8","8","3","1") = "7"
    & skf18("8","2","8","8","8","4","1") = "7"
    & skf18("8","2","8","8","8","5","1") = "7"
    & skf18("8","2","8","8","8","6","1") = "7"
    & skf18("8","2","8","8","8","7","1") = "7"
    & skf18("8","2","8","8","8","8","1") = "7"
    & skf18("8","2","8","8","8","9","1") = "8"
    & skf18("8","2","8","8","8","10","1") = "9"
    & skf18("8","2","8","8","9","1","1") = "8"
    & skf18("8","2","8","8","9","2","1") = "8"
    & skf18("8","2","8","8","9","3","1") = "8"
    & skf18("8","2","8","8","9","4","1") = "8"
    & skf18("8","2","8","8","9","5","1") = "8"
    & skf18("8","2","8","8","9","6","1") = "8"
    & skf18("8","2","8","8","9","7","1") = "8"
    & skf18("8","2","8","8","9","8","1") = "8"
    & skf18("8","2","8","8","9","9","1") = "8"
    & skf18("8","2","8","8","9","10","1") = "9"
    & skf18("8","2","8","8","10","1","1") = "9"
    & skf18("8","2","8","8","10","2","1") = "9"
    & skf18("8","2","8","8","10","3","1") = "9"
    & skf18("8","2","8","8","10","4","1") = "9"
    & skf18("8","2","8","8","10","5","1") = "9"
    & skf18("8","2","8","8","10","6","1") = "9"
    & skf18("8","2","8","8","10","7","1") = "9"
    & skf18("8","2","8","8","10","8","1") = "9"
    & skf18("8","2","8","8","10","9","1") = "9"
    & skf18("8","2","8","8","10","10","1") = "9"
    & skf18("8","2","8","9","1","1","1") = "8"
    & skf18("8","2","8","9","1","2","1") = "8"
    & skf18("8","2","8","9","1","3","1") = "8"
    & skf18("8","2","8","9","1","4","1") = "8"
    & skf18("8","2","8","9","1","5","1") = "8"
    & skf18("8","2","8","9","1","6","1") = "8"
    & skf18("8","2","8","9","1","7","1") = "8"
    & skf18("8","2","8","9","1","8","1") = "8"
    & skf18("8","2","8","9","1","9","1") = "8"
    & skf18("8","2","8","9","1","10","1") = "9"
    & skf18("8","2","8","9","2","1","1") = "8"
    & skf18("8","2","8","9","2","2","1") = "8"
    & skf18("8","2","8","9","2","3","1") = "8"
    & skf18("8","2","8","9","2","4","1") = "8"
    & skf18("8","2","8","9","2","5","1") = "8"
    & skf18("8","2","8","9","2","6","1") = "8"
    & skf18("8","2","8","9","2","7","1") = "8"
    & skf18("8","2","8","9","2","8","1") = "8"
    & skf18("8","2","8","9","2","9","1") = "8"
    & skf18("8","2","8","9","2","10","1") = "9"
    & skf18("8","2","8","9","3","1","1") = "8"
    & skf18("8","2","8","9","3","2","1") = "8"
    & skf18("8","2","8","9","3","3","1") = "8"
    & skf18("8","2","8","9","3","4","1") = "8"
    & skf18("8","2","8","9","3","5","1") = "8"
    & skf18("8","2","8","9","3","6","1") = "8"
    & skf18("8","2","8","9","3","7","1") = "8"
    & skf18("8","2","8","9","3","8","1") = "8"
    & skf18("8","2","8","9","3","9","1") = "8"
    & skf18("8","2","8","9","3","10","1") = "9"
    & skf18("8","2","8","9","4","1","1") = "8"
    & skf18("8","2","8","9","4","2","1") = "8"
    & skf18("8","2","8","9","4","3","1") = "8"
    & skf18("8","2","8","9","4","4","1") = "8"
    & skf18("8","2","8","9","4","5","1") = "8"
    & skf18("8","2","8","9","4","6","1") = "8"
    & skf18("8","2","8","9","4","7","1") = "8"
    & skf18("8","2","8","9","4","8","1") = "8"
    & skf18("8","2","8","9","4","9","1") = "8"
    & skf18("8","2","8","9","4","10","1") = "9"
    & skf18("8","2","8","9","5","1","1") = "8"
    & skf18("8","2","8","9","5","2","1") = "8"
    & skf18("8","2","8","9","5","3","1") = "8"
    & skf18("8","2","8","9","5","4","1") = "8"
    & skf18("8","2","8","9","5","5","1") = "8"
    & skf18("8","2","8","9","5","6","1") = "8"
    & skf18("8","2","8","9","5","7","1") = "8"
    & skf18("8","2","8","9","5","8","1") = "8"
    & skf18("8","2","8","9","5","9","1") = "8"
    & skf18("8","2","8","9","5","10","1") = "9"
    & skf18("8","2","8","9","6","1","1") = "8"
    & skf18("8","2","8","9","6","2","1") = "8"
    & skf18("8","2","8","9","6","3","1") = "8"
    & skf18("8","2","8","9","6","4","1") = "8"
    & skf18("8","2","8","9","6","5","1") = "8"
    & skf18("8","2","8","9","6","6","1") = "8"
    & skf18("8","2","8","9","6","7","1") = "8"
    & skf18("8","2","8","9","6","8","1") = "8"
    & skf18("8","2","8","9","6","9","1") = "8"
    & skf18("8","2","8","9","6","10","1") = "9"
    & skf18("8","2","8","9","7","1","1") = "8"
    & skf18("8","2","8","9","7","2","1") = "8"
    & skf18("8","2","8","9","7","3","1") = "8"
    & skf18("8","2","8","9","7","4","1") = "8"
    & skf18("8","2","8","9","7","5","1") = "8"
    & skf18("8","2","8","9","7","6","1") = "8"
    & skf18("8","2","8","9","7","7","1") = "8"
    & skf18("8","2","8","9","7","8","1") = "8"
    & skf18("8","2","8","9","7","9","1") = "8"
    & skf18("8","2","8","9","7","10","1") = "9"
    & skf18("8","2","8","9","8","1","1") = "8"
    & skf18("8","2","8","9","8","2","1") = "8"
    & skf18("8","2","8","9","8","3","1") = "8"
    & skf18("8","2","8","9","8","4","1") = "8"
    & skf18("8","2","8","9","8","5","1") = "8"
    & skf18("8","2","8","9","8","6","1") = "8"
    & skf18("8","2","8","9","8","7","1") = "8"
    & skf18("8","2","8","9","8","8","1") = "8"
    & skf18("8","2","8","9","8","9","1") = "8"
    & skf18("8","2","8","9","8","10","1") = "9"
    & skf18("8","2","8","9","9","1","1") = "8"
    & skf18("8","2","8","9","9","2","1") = "8"
    & skf18("8","2","8","9","9","3","1") = "8"
    & skf18("8","2","8","9","9","4","1") = "8"
    & skf18("8","2","8","9","9","5","1") = "8"
    & skf18("8","2","8","9","9","6","1") = "8"
    & skf18("8","2","8","9","9","7","1") = "8"
    & skf18("8","2","8","9","9","8","1") = "8"
    & skf18("8","2","8","9","9","9","1") = "8"
    & skf18("8","2","8","9","9","10","1") = "9"
    & skf18("8","2","8","9","10","1","1") = "9"
    & skf18("8","2","8","9","10","2","1") = "9"
    & skf18("8","2","8","9","10","3","1") = "9"
    & skf18("8","2","8","9","10","4","1") = "9"
    & skf18("8","2","8","9","10","5","1") = "9"
    & skf18("8","2","8","9","10","6","1") = "9"
    & skf18("8","2","8","9","10","7","1") = "9"
    & skf18("8","2","8","9","10","8","1") = "9"
    & skf18("8","2","8","9","10","9","1") = "9"
    & skf18("8","2","8","9","10","10","1") = "9"
    & skf18("8","2","8","10","1","1","1") = "9"
    & skf18("8","2","8","10","1","2","1") = "9"
    & skf18("8","2","8","10","1","3","1") = "9"
    & skf18("8","2","8","10","1","4","1") = "9"
    & skf18("8","2","8","10","1","5","1") = "9"
    & skf18("8","2","8","10","1","6","1") = "9"
    & skf18("8","2","8","10","1","7","1") = "9"
    & skf18("8","2","8","10","1","8","1") = "9"
    & skf18("8","2","8","10","1","9","1") = "9"
    & skf18("8","2","8","10","1","10","1") = "9"
    & skf18("8","2","8","10","2","1","1") = "9"
    & skf18("8","2","8","10","2","2","1") = "9"
    & skf18("8","2","8","10","2","3","1") = "9"
    & skf18("8","2","8","10","2","4","1") = "9"
    & skf18("8","2","8","10","2","5","1") = "9"
    & skf18("8","2","8","10","2","6","1") = "9"
    & skf18("8","2","8","10","2","7","1") = "9"
    & skf18("8","2","8","10","2","8","1") = "9"
    & skf18("8","2","8","10","2","9","1") = "9"
    & skf18("8","2","8","10","2","10","1") = "9"
    & skf18("8","2","8","10","3","1","1") = "9"
    & skf18("8","2","8","10","3","2","1") = "9"
    & skf18("8","2","8","10","3","3","1") = "9"
    & skf18("8","2","8","10","3","4","1") = "9"
    & skf18("8","2","8","10","3","5","1") = "9"
    & skf18("8","2","8","10","3","6","1") = "9"
    & skf18("8","2","8","10","3","7","1") = "9"
    & skf18("8","2","8","10","3","8","1") = "9"
    & skf18("8","2","8","10","3","9","1") = "9"
    & skf18("8","2","8","10","3","10","1") = "9"
    & skf18("8","2","8","10","4","1","1") = "9"
    & skf18("8","2","8","10","4","2","1") = "9"
    & skf18("8","2","8","10","4","3","1") = "9"
    & skf18("8","2","8","10","4","4","1") = "9"
    & skf18("8","2","8","10","4","5","1") = "9"
    & skf18("8","2","8","10","4","6","1") = "9"
    & skf18("8","2","8","10","4","7","1") = "9"
    & skf18("8","2","8","10","4","8","1") = "9"
    & skf18("8","2","8","10","4","9","1") = "9"
    & skf18("8","2","8","10","4","10","1") = "9"
    & skf18("8","2","8","10","5","1","1") = "9"
    & skf18("8","2","8","10","5","2","1") = "9"
    & skf18("8","2","8","10","5","3","1") = "9"
    & skf18("8","2","8","10","5","4","1") = "9"
    & skf18("8","2","8","10","5","5","1") = "9"
    & skf18("8","2","8","10","5","6","1") = "9"
    & skf18("8","2","8","10","5","7","1") = "9"
    & skf18("8","2","8","10","5","8","1") = "9"
    & skf18("8","2","8","10","5","9","1") = "9"
    & skf18("8","2","8","10","5","10","1") = "9"
    & skf18("8","2","8","10","6","1","1") = "9"
    & skf18("8","2","8","10","6","2","1") = "9"
    & skf18("8","2","8","10","6","3","1") = "9"
    & skf18("8","2","8","10","6","4","1") = "9"
    & skf18("8","2","8","10","6","5","1") = "9"
    & skf18("8","2","8","10","6","6","1") = "9"
    & skf18("8","2","8","10","6","7","1") = "9"
    & skf18("8","2","8","10","6","8","1") = "9"
    & skf18("8","2","8","10","6","9","1") = "9"
    & skf18("8","2","8","10","6","10","1") = "9"
    & skf18("8","2","8","10","7","1","1") = "9"
    & skf18("8","2","8","10","7","2","1") = "9"
    & skf18("8","2","8","10","7","3","1") = "9"
    & skf18("8","2","8","10","7","4","1") = "9"
    & skf18("8","2","8","10","7","5","1") = "9"
    & skf18("8","2","8","10","7","6","1") = "9"
    & skf18("8","2","8","10","7","7","1") = "9"
    & skf18("8","2","8","10","7","8","1") = "9"
    & skf18("8","2","8","10","7","9","1") = "9"
    & skf18("8","2","8","10","7","10","1") = "9"
    & skf18("8","2","8","10","8","1","1") = "9"
    & skf18("8","2","8","10","8","2","1") = "9"
    & skf18("8","2","8","10","8","3","1") = "9"
    & skf18("8","2","8","10","8","4","1") = "9"
    & skf18("8","2","8","10","8","5","1") = "9"
    & skf18("8","2","8","10","8","6","1") = "9"
    & skf18("8","2","8","10","8","7","1") = "9"
    & skf18("8","2","8","10","8","8","1") = "9"
    & skf18("8","2","8","10","8","9","1") = "9"
    & skf18("8","2","8","10","8","10","1") = "9"
    & skf18("8","2","8","10","9","1","1") = "9"
    & skf18("8","2","8","10","9","2","1") = "9"
    & skf18("8","2","8","10","9","3","1") = "9"
    & skf18("8","2","8","10","9","4","1") = "9"
    & skf18("8","2","8","10","9","5","1") = "9"
    & skf18("8","2","8","10","9","6","1") = "9"
    & skf18("8","2","8","10","9","7","1") = "9"
    & skf18("8","2","8","10","9","8","1") = "9"
    & skf18("8","2","8","10","9","9","1") = "9"
    & skf18("8","2","8","10","9","10","1") = "9"
    & skf18("8","2","8","10","10","1","1") = "9"
    & skf18("8","2","8","10","10","2","1") = "9"
    & skf18("8","2","8","10","10","3","1") = "9"
    & skf18("8","2","8","10","10","4","1") = "9"
    & skf18("8","2","8","10","10","5","1") = "9"
    & skf18("8","2","8","10","10","6","1") = "9"
    & skf18("8","2","8","10","10","7","1") = "9"
    & skf18("8","2","8","10","10","8","1") = "9"
    & skf18("8","2","8","10","10","9","1") = "9"
    & skf18("8","2","8","10","10","10","1") = "9"
    & skf18("8","2","9","1","1","1","1") = "8"
    & skf18("8","2","9","1","1","2","1") = "8"
    & skf18("8","2","9","1","1","3","1") = "8"
    & skf18("8","2","9","1","1","4","1") = "8"
    & skf18("8","2","9","1","1","5","1") = "8"
    & skf18("8","2","9","1","1","6","1") = "8"
    & skf18("8","2","9","1","1","7","1") = "8"
    & skf18("8","2","9","1","1","8","1") = "8"
    & skf18("8","2","9","1","1","9","1") = "8"
    & skf18("8","2","9","1","1","10","1") = "9"
    & skf18("8","2","9","1","2","1","1") = "8"
    & skf18("8","2","9","1","2","2","1") = "8"
    & skf18("8","2","9","1","2","3","1") = "8"
    & skf18("8","2","9","1","2","4","1") = "8"
    & skf18("8","2","9","1","2","5","1") = "8"
    & skf18("8","2","9","1","2","6","1") = "8"
    & skf18("8","2","9","1","2","7","1") = "8"
    & skf18("8","2","9","1","2","8","1") = "8"
    & skf18("8","2","9","1","2","9","1") = "8"
    & skf18("8","2","9","1","2","10","1") = "9"
    & skf18("8","2","9","1","3","1","1") = "8"
    & skf18("8","2","9","1","3","2","1") = "8"
    & skf18("8","2","9","1","3","3","1") = "8"
    & skf18("8","2","9","1","3","4","1") = "8"
    & skf18("8","2","9","1","3","5","1") = "8"
    & skf18("8","2","9","1","3","6","1") = "8"
    & skf18("8","2","9","1","3","7","1") = "8"
    & skf18("8","2","9","1","3","8","1") = "8"
    & skf18("8","2","9","1","3","9","1") = "8"
    & skf18("8","2","9","1","3","10","1") = "9"
    & skf18("8","2","9","1","4","1","1") = "8"
    & skf18("8","2","9","1","4","2","1") = "8"
    & skf18("8","2","9","1","4","3","1") = "8"
    & skf18("8","2","9","1","4","4","1") = "8"
    & skf18("8","2","9","1","4","5","1") = "8"
    & skf18("8","2","9","1","4","6","1") = "8"
    & skf18("8","2","9","1","4","7","1") = "8"
    & skf18("8","2","9","1","4","8","1") = "8"
    & skf18("8","2","9","1","4","9","1") = "8"
    & skf18("8","2","9","1","4","10","1") = "9"
    & skf18("8","2","9","1","5","1","1") = "8"
    & skf18("8","2","9","1","5","2","1") = "8"
    & skf18("8","2","9","1","5","3","1") = "8"
    & skf18("8","2","9","1","5","4","1") = "8"
    & skf18("8","2","9","1","5","5","1") = "8"
    & skf18("8","2","9","1","5","6","1") = "8"
    & skf18("8","2","9","1","5","7","1") = "8"
    & skf18("8","2","9","1","5","8","1") = "8"
    & skf18("8","2","9","1","5","9","1") = "8"
    & skf18("8","2","9","1","5","10","1") = "9"
    & skf18("8","2","9","1","6","1","1") = "8"
    & skf18("8","2","9","1","6","2","1") = "8"
    & skf18("8","2","9","1","6","3","1") = "8"
    & skf18("8","2","9","1","6","4","1") = "8"
    & skf18("8","2","9","1","6","5","1") = "8"
    & skf18("8","2","9","1","6","6","1") = "8"
    & skf18("8","2","9","1","6","7","1") = "8"
    & skf18("8","2","9","1","6","8","1") = "8"
    & skf18("8","2","9","1","6","9","1") = "8"
    & skf18("8","2","9","1","6","10","1") = "9"
    & skf18("8","2","9","1","7","1","1") = "8"
    & skf18("8","2","9","1","7","2","1") = "8"
    & skf18("8","2","9","1","7","3","1") = "8"
    & skf18("8","2","9","1","7","4","1") = "8"
    & skf18("8","2","9","1","7","5","1") = "8"
    & skf18("8","2","9","1","7","6","1") = "8"
    & skf18("8","2","9","1","7","7","1") = "8"
    & skf18("8","2","9","1","7","8","1") = "8"
    & skf18("8","2","9","1","7","9","1") = "8"
    & skf18("8","2","9","1","7","10","1") = "9"
    & skf18("8","2","9","1","8","1","1") = "8"
    & skf18("8","2","9","1","8","2","1") = "8"
    & skf18("8","2","9","1","8","3","1") = "8"
    & skf18("8","2","9","1","8","4","1") = "8"
    & skf18("8","2","9","1","8","5","1") = "8"
    & skf18("8","2","9","1","8","6","1") = "8"
    & skf18("8","2","9","1","8","7","1") = "8"
    & skf18("8","2","9","1","8","8","1") = "8"
    & skf18("8","2","9","1","8","9","1") = "8"
    & skf18("8","2","9","1","8","10","1") = "9"
    & skf18("8","2","9","1","9","1","1") = "8"
    & skf18("8","2","9","1","9","2","1") = "8"
    & skf18("8","2","9","1","9","3","1") = "8"
    & skf18("8","2","9","1","9","4","1") = "8"
    & skf18("8","2","9","1","9","5","1") = "8"
    & skf18("8","2","9","1","9","6","1") = "8"
    & skf18("8","2","9","1","9","7","1") = "8"
    & skf18("8","2","9","1","9","8","1") = "8"
    & skf18("8","2","9","1","9","9","1") = "8"
    & skf18("8","2","9","1","9","10","1") = "9"
    & skf18("8","2","9","1","10","1","1") = "9"
    & skf18("8","2","9","1","10","2","1") = "9"
    & skf18("8","2","9","1","10","3","1") = "9"
    & skf18("8","2","9","1","10","4","1") = "9"
    & skf18("8","2","9","1","10","5","1") = "9"
    & skf18("8","2","9","1","10","6","1") = "9"
    & skf18("8","2","9","1","10","7","1") = "9"
    & skf18("8","2","9","1","10","8","1") = "9"
    & skf18("8","2","9","1","10","9","1") = "9"
    & skf18("8","2","9","1","10","10","1") = "9"
    & skf18("8","2","9","2","1","1","1") = "8"
    & skf18("8","2","9","2","1","2","1") = "8"
    & skf18("8","2","9","2","1","3","1") = "8"
    & skf18("8","2","9","2","1","4","1") = "8"
    & skf18("8","2","9","2","1","5","1") = "8"
    & skf18("8","2","9","2","1","6","1") = "8"
    & skf18("8","2","9","2","1","7","1") = "8"
    & skf18("8","2","9","2","1","8","1") = "8"
    & skf18("8","2","9","2","1","9","1") = "8"
    & skf18("8","2","9","2","1","10","1") = "9"
    & skf18("8","2","9","2","2","1","1") = "8"
    & skf18("8","2","9","2","2","2","1") = "8"
    & skf18("8","2","9","2","2","3","1") = "8"
    & skf18("8","2","9","2","2","4","1") = "8"
    & skf18("8","2","9","2","2","5","1") = "8"
    & skf18("8","2","9","2","2","6","1") = "8"
    & skf18("8","2","9","2","2","7","1") = "8"
    & skf18("8","2","9","2","2","8","1") = "8"
    & skf18("8","2","9","2","2","9","1") = "8"
    & skf18("8","2","9","2","2","10","1") = "9"
    & skf18("8","2","9","2","3","1","1") = "8"
    & skf18("8","2","9","2","3","2","1") = "8"
    & skf18("8","2","9","2","3","3","1") = "8"
    & skf18("8","2","9","2","3","4","1") = "8"
    & skf18("8","2","9","2","3","5","1") = "8"
    & skf18("8","2","9","2","3","6","1") = "8"
    & skf18("8","2","9","2","3","7","1") = "8"
    & skf18("8","2","9","2","3","8","1") = "8"
    & skf18("8","2","9","2","3","9","1") = "8"
    & skf18("8","2","9","2","3","10","1") = "9"
    & skf18("8","2","9","2","4","1","1") = "8"
    & skf18("8","2","9","2","4","2","1") = "8"
    & skf18("8","2","9","2","4","3","1") = "8"
    & skf18("8","2","9","2","4","4","1") = "8"
    & skf18("8","2","9","2","4","5","1") = "8"
    & skf18("8","2","9","2","4","6","1") = "8"
    & skf18("8","2","9","2","4","7","1") = "8"
    & skf18("8","2","9","2","4","8","1") = "8"
    & skf18("8","2","9","2","4","9","1") = "8"
    & skf18("8","2","9","2","4","10","1") = "9"
    & skf18("8","2","9","2","5","1","1") = "8"
    & skf18("8","2","9","2","5","2","1") = "8"
    & skf18("8","2","9","2","5","3","1") = "8"
    & skf18("8","2","9","2","5","4","1") = "8"
    & skf18("8","2","9","2","5","5","1") = "8"
    & skf18("8","2","9","2","5","6","1") = "8"
    & skf18("8","2","9","2","5","7","1") = "8"
    & skf18("8","2","9","2","5","8","1") = "8"
    & skf18("8","2","9","2","5","9","1") = "8"
    & skf18("8","2","9","2","5","10","1") = "9"
    & skf18("8","2","9","2","6","1","1") = "8"
    & skf18("8","2","9","2","6","2","1") = "8"
    & skf18("8","2","9","2","6","3","1") = "8"
    & skf18("8","2","9","2","6","4","1") = "8"
    & skf18("8","2","9","2","6","5","1") = "8"
    & skf18("8","2","9","2","6","6","1") = "8"
    & skf18("8","2","9","2","6","7","1") = "8"
    & skf18("8","2","9","2","6","8","1") = "8"
    & skf18("8","2","9","2","6","9","1") = "8"
    & skf18("8","2","9","2","6","10","1") = "9"
    & skf18("8","2","9","2","7","1","1") = "8"
    & skf18("8","2","9","2","7","2","1") = "8"
    & skf18("8","2","9","2","7","3","1") = "8"
    & skf18("8","2","9","2","7","4","1") = "8"
    & skf18("8","2","9","2","7","5","1") = "8"
    & skf18("8","2","9","2","7","6","1") = "8"
    & skf18("8","2","9","2","7","7","1") = "8"
    & skf18("8","2","9","2","7","8","1") = "8"
    & skf18("8","2","9","2","7","9","1") = "8"
    & skf18("8","2","9","2","7","10","1") = "9"
    & skf18("8","2","9","2","8","1","1") = "8"
    & skf18("8","2","9","2","8","2","1") = "8"
    & skf18("8","2","9","2","8","3","1") = "8"
    & skf18("8","2","9","2","8","4","1") = "8"
    & skf18("8","2","9","2","8","5","1") = "8"
    & skf18("8","2","9","2","8","6","1") = "8"
    & skf18("8","2","9","2","8","7","1") = "8"
    & skf18("8","2","9","2","8","8","1") = "8"
    & skf18("8","2","9","2","8","9","1") = "8"
    & skf18("8","2","9","2","8","10","1") = "9"
    & skf18("8","2","9","2","9","1","1") = "8"
    & skf18("8","2","9","2","9","2","1") = "8"
    & skf18("8","2","9","2","9","3","1") = "8"
    & skf18("8","2","9","2","9","4","1") = "8"
    & skf18("8","2","9","2","9","5","1") = "8"
    & skf18("8","2","9","2","9","6","1") = "8"
    & skf18("8","2","9","2","9","7","1") = "8"
    & skf18("8","2","9","2","9","8","1") = "8"
    & skf18("8","2","9","2","9","9","1") = "8"
    & skf18("8","2","9","2","9","10","1") = "9"
    & skf18("8","2","9","2","10","1","1") = "9"
    & skf18("8","2","9","2","10","2","1") = "9"
    & skf18("8","2","9","2","10","3","1") = "9"
    & skf18("8","2","9","2","10","4","1") = "9"
    & skf18("8","2","9","2","10","5","1") = "9"
    & skf18("8","2","9","2","10","6","1") = "9"
    & skf18("8","2","9","2","10","7","1") = "9"
    & skf18("8","2","9","2","10","8","1") = "9"
    & skf18("8","2","9","2","10","9","1") = "9"
    & skf18("8","2","9","2","10","10","1") = "9"
    & skf18("8","2","9","3","1","1","1") = "8"
    & skf18("8","2","9","3","1","2","1") = "8"
    & skf18("8","2","9","3","1","3","1") = "8"
    & skf18("8","2","9","3","1","4","1") = "8"
    & skf18("8","2","9","3","1","5","1") = "8"
    & skf18("8","2","9","3","1","6","1") = "8"
    & skf18("8","2","9","3","1","7","1") = "8"
    & skf18("8","2","9","3","1","8","1") = "8"
    & skf18("8","2","9","3","1","9","1") = "8"
    & skf18("8","2","9","3","1","10","1") = "9"
    & skf18("8","2","9","3","2","1","1") = "8"
    & skf18("8","2","9","3","2","2","1") = "8"
    & skf18("8","2","9","3","2","3","1") = "8"
    & skf18("8","2","9","3","2","4","1") = "8"
    & skf18("8","2","9","3","2","5","1") = "8"
    & skf18("8","2","9","3","2","6","1") = "8"
    & skf18("8","2","9","3","2","7","1") = "8"
    & skf18("8","2","9","3","2","8","1") = "8"
    & skf18("8","2","9","3","2","9","1") = "8"
    & skf18("8","2","9","3","2","10","1") = "9"
    & skf18("8","2","9","3","3","1","1") = "8"
    & skf18("8","2","9","3","3","2","1") = "8"
    & skf18("8","2","9","3","3","3","1") = "8"
    & skf18("8","2","9","3","3","4","1") = "8"
    & skf18("8","2","9","3","3","5","1") = "8"
    & skf18("8","2","9","3","3","6","1") = "8"
    & skf18("8","2","9","3","3","7","1") = "8"
    & skf18("8","2","9","3","3","8","1") = "8"
    & skf18("8","2","9","3","3","9","1") = "8"
    & skf18("8","2","9","3","3","10","1") = "9"
    & skf18("8","2","9","3","4","1","1") = "8"
    & skf18("8","2","9","3","4","2","1") = "8"
    & skf18("8","2","9","3","4","3","1") = "8"
    & skf18("8","2","9","3","4","4","1") = "8"
    & skf18("8","2","9","3","4","5","1") = "8"
    & skf18("8","2","9","3","4","6","1") = "8"
    & skf18("8","2","9","3","4","7","1") = "8"
    & skf18("8","2","9","3","4","8","1") = "8"
    & skf18("8","2","9","3","4","9","1") = "8"
    & skf18("8","2","9","3","4","10","1") = "9"
    & skf18("8","2","9","3","5","1","1") = "8"
    & skf18("8","2","9","3","5","2","1") = "8"
    & skf18("8","2","9","3","5","3","1") = "8"
    & skf18("8","2","9","3","5","4","1") = "8"
    & skf18("8","2","9","3","5","5","1") = "8"
    & skf18("8","2","9","3","5","6","1") = "8"
    & skf18("8","2","9","3","5","7","1") = "8"
    & skf18("8","2","9","3","5","8","1") = "8"
    & skf18("8","2","9","3","5","9","1") = "8"
    & skf18("8","2","9","3","5","10","1") = "9"
    & skf18("8","2","9","3","6","1","1") = "8"
    & skf18("8","2","9","3","6","2","1") = "8"
    & skf18("8","2","9","3","6","3","1") = "8"
    & skf18("8","2","9","3","6","4","1") = "8"
    & skf18("8","2","9","3","6","5","1") = "8"
    & skf18("8","2","9","3","6","6","1") = "8"
    & skf18("8","2","9","3","6","7","1") = "8"
    & skf18("8","2","9","3","6","8","1") = "8"
    & skf18("8","2","9","3","6","9","1") = "8"
    & skf18("8","2","9","3","6","10","1") = "9"
    & skf18("8","2","9","3","7","1","1") = "8"
    & skf18("8","2","9","3","7","2","1") = "8"
    & skf18("8","2","9","3","7","3","1") = "8"
    & skf18("8","2","9","3","7","4","1") = "8"
    & skf18("8","2","9","3","7","5","1") = "8"
    & skf18("8","2","9","3","7","6","1") = "8"
    & skf18("8","2","9","3","7","7","1") = "8"
    & skf18("8","2","9","3","7","8","1") = "8"
    & skf18("8","2","9","3","7","9","1") = "8"
    & skf18("8","2","9","3","7","10","1") = "9"
    & skf18("8","2","9","3","8","1","1") = "8"
    & skf18("8","2","9","3","8","2","1") = "8"
    & skf18("8","2","9","3","8","3","1") = "8"
    & skf18("8","2","9","3","8","4","1") = "8"
    & skf18("8","2","9","3","8","5","1") = "8"
    & skf18("8","2","9","3","8","6","1") = "8"
    & skf18("8","2","9","3","8","7","1") = "8"
    & skf18("8","2","9","3","8","8","1") = "8"
    & skf18("8","2","9","3","8","9","1") = "8"
    & skf18("8","2","9","3","8","10","1") = "9"
    & skf18("8","2","9","3","9","1","1") = "8"
    & skf18("8","2","9","3","9","2","1") = "8"
    & skf18("8","2","9","3","9","3","1") = "8"
    & skf18("8","2","9","3","9","4","1") = "8"
    & skf18("8","2","9","3","9","5","1") = "8"
    & skf18("8","2","9","3","9","6","1") = "8"
    & skf18("8","2","9","3","9","7","1") = "8"
    & skf18("8","2","9","3","9","8","1") = "8"
    & skf18("8","2","9","3","9","9","1") = "8"
    & skf18("8","2","9","3","9","10","1") = "9"
    & skf18("8","2","9","3","10","1","1") = "9"
    & skf18("8","2","9","3","10","2","1") = "9"
    & skf18("8","2","9","3","10","3","1") = "9"
    & skf18("8","2","9","3","10","4","1") = "9"
    & skf18("8","2","9","3","10","5","1") = "9"
    & skf18("8","2","9","3","10","6","1") = "9"
    & skf18("8","2","9","3","10","7","1") = "9"
    & skf18("8","2","9","3","10","8","1") = "9"
    & skf18("8","2","9","3","10","9","1") = "9"
    & skf18("8","2","9","3","10","10","1") = "9"
    & skf18("8","2","9","4","1","1","1") = "8"
    & skf18("8","2","9","4","1","2","1") = "8"
    & skf18("8","2","9","4","1","3","1") = "8"
    & skf18("8","2","9","4","1","4","1") = "8"
    & skf18("8","2","9","4","1","5","1") = "8"
    & skf18("8","2","9","4","1","6","1") = "8"
    & skf18("8","2","9","4","1","7","1") = "8"
    & skf18("8","2","9","4","1","8","1") = "8"
    & skf18("8","2","9","4","1","9","1") = "8"
    & skf18("8","2","9","4","1","10","1") = "9"
    & skf18("8","2","9","4","2","1","1") = "8"
    & skf18("8","2","9","4","2","2","1") = "8"
    & skf18("8","2","9","4","2","3","1") = "8"
    & skf18("8","2","9","4","2","4","1") = "8"
    & skf18("8","2","9","4","2","5","1") = "8"
    & skf18("8","2","9","4","2","6","1") = "8"
    & skf18("8","2","9","4","2","7","1") = "8"
    & skf18("8","2","9","4","2","8","1") = "8"
    & skf18("8","2","9","4","2","9","1") = "8"
    & skf18("8","2","9","4","2","10","1") = "9"
    & skf18("8","2","9","4","3","1","1") = "8"
    & skf18("8","2","9","4","3","2","1") = "8"
    & skf18("8","2","9","4","3","3","1") = "8"
    & skf18("8","2","9","4","3","4","1") = "8"
    & skf18("8","2","9","4","3","5","1") = "8"
    & skf18("8","2","9","4","3","6","1") = "8"
    & skf18("8","2","9","4","3","7","1") = "8"
    & skf18("8","2","9","4","3","8","1") = "8"
    & skf18("8","2","9","4","3","9","1") = "8"
    & skf18("8","2","9","4","3","10","1") = "9"
    & skf18("8","2","9","4","4","1","1") = "8"
    & skf18("8","2","9","4","4","2","1") = "8"
    & skf18("8","2","9","4","4","3","1") = "8"
    & skf18("8","2","9","4","4","4","1") = "8"
    & skf18("8","2","9","4","4","5","1") = "8"
    & skf18("8","2","9","4","4","6","1") = "8"
    & skf18("8","2","9","4","4","7","1") = "8"
    & skf18("8","2","9","4","4","8","1") = "8"
    & skf18("8","2","9","4","4","9","1") = "8"
    & skf18("8","2","9","4","4","10","1") = "9"
    & skf18("8","2","9","4","5","1","1") = "8"
    & skf18("8","2","9","4","5","2","1") = "8"
    & skf18("8","2","9","4","5","3","1") = "8"
    & skf18("8","2","9","4","5","4","1") = "8"
    & skf18("8","2","9","4","5","5","1") = "8"
    & skf18("8","2","9","4","5","6","1") = "8"
    & skf18("8","2","9","4","5","7","1") = "8"
    & skf18("8","2","9","4","5","8","1") = "8"
    & skf18("8","2","9","4","5","9","1") = "8"
    & skf18("8","2","9","4","5","10","1") = "9"
    & skf18("8","2","9","4","6","1","1") = "8"
    & skf18("8","2","9","4","6","2","1") = "8"
    & skf18("8","2","9","4","6","3","1") = "8"
    & skf18("8","2","9","4","6","4","1") = "8"
    & skf18("8","2","9","4","6","5","1") = "8"
    & skf18("8","2","9","4","6","6","1") = "8"
    & skf18("8","2","9","4","6","7","1") = "8"
    & skf18("8","2","9","4","6","8","1") = "8"
    & skf18("8","2","9","4","6","9","1") = "8"
    & skf18("8","2","9","4","6","10","1") = "9"
    & skf18("8","2","9","4","7","1","1") = "8"
    & skf18("8","2","9","4","7","2","1") = "8"
    & skf18("8","2","9","4","7","3","1") = "8"
    & skf18("8","2","9","4","7","4","1") = "8"
    & skf18("8","2","9","4","7","5","1") = "8"
    & skf18("8","2","9","4","7","6","1") = "8"
    & skf18("8","2","9","4","7","7","1") = "8"
    & skf18("8","2","9","4","7","8","1") = "8"
    & skf18("8","2","9","4","7","9","1") = "8"
    & skf18("8","2","9","4","7","10","1") = "9"
    & skf18("8","2","9","4","8","1","1") = "8"
    & skf18("8","2","9","4","8","2","1") = "8"
    & skf18("8","2","9","4","8","3","1") = "8"
    & skf18("8","2","9","4","8","4","1") = "8"
    & skf18("8","2","9","4","8","5","1") = "8"
    & skf18("8","2","9","4","8","6","1") = "8"
    & skf18("8","2","9","4","8","7","1") = "8"
    & skf18("8","2","9","4","8","8","1") = "8"
    & skf18("8","2","9","4","8","9","1") = "8"
    & skf18("8","2","9","4","8","10","1") = "9"
    & skf18("8","2","9","4","9","1","1") = "8"
    & skf18("8","2","9","4","9","2","1") = "8"
    & skf18("8","2","9","4","9","3","1") = "8"
    & skf18("8","2","9","4","9","4","1") = "8"
    & skf18("8","2","9","4","9","5","1") = "8"
    & skf18("8","2","9","4","9","6","1") = "8"
    & skf18("8","2","9","4","9","7","1") = "8"
    & skf18("8","2","9","4","9","8","1") = "8"
    & skf18("8","2","9","4","9","9","1") = "8"
    & skf18("8","2","9","4","9","10","1") = "9"
    & skf18("8","2","9","4","10","1","1") = "9"
    & skf18("8","2","9","4","10","2","1") = "9"
    & skf18("8","2","9","4","10","3","1") = "9"
    & skf18("8","2","9","4","10","4","1") = "9"
    & skf18("8","2","9","4","10","5","1") = "9"
    & skf18("8","2","9","4","10","6","1") = "9"
    & skf18("8","2","9","4","10","7","1") = "9"
    & skf18("8","2","9","4","10","8","1") = "9"
    & skf18("8","2","9","4","10","9","1") = "9"
    & skf18("8","2","9","4","10","10","1") = "9"
    & skf18("8","2","9","5","1","1","1") = "8"
    & skf18("8","2","9","5","1","2","1") = "8"
    & skf18("8","2","9","5","1","3","1") = "8"
    & skf18("8","2","9","5","1","4","1") = "8"
    & skf18("8","2","9","5","1","5","1") = "8"
    & skf18("8","2","9","5","1","6","1") = "8"
    & skf18("8","2","9","5","1","7","1") = "8"
    & skf18("8","2","9","5","1","8","1") = "8"
    & skf18("8","2","9","5","1","9","1") = "8"
    & skf18("8","2","9","5","1","10","1") = "9"
    & skf18("8","2","9","5","2","1","1") = "8"
    & skf18("8","2","9","5","2","2","1") = "8"
    & skf18("8","2","9","5","2","3","1") = "8"
    & skf18("8","2","9","5","2","4","1") = "8"
    & skf18("8","2","9","5","2","5","1") = "8"
    & skf18("8","2","9","5","2","6","1") = "8"
    & skf18("8","2","9","5","2","7","1") = "8"
    & skf18("8","2","9","5","2","8","1") = "8"
    & skf18("8","2","9","5","2","9","1") = "8"
    & skf18("8","2","9","5","2","10","1") = "9"
    & skf18("8","2","9","5","3","1","1") = "8"
    & skf18("8","2","9","5","3","2","1") = "8"
    & skf18("8","2","9","5","3","3","1") = "8"
    & skf18("8","2","9","5","3","4","1") = "8"
    & skf18("8","2","9","5","3","5","1") = "8"
    & skf18("8","2","9","5","3","6","1") = "8"
    & skf18("8","2","9","5","3","7","1") = "8"
    & skf18("8","2","9","5","3","8","1") = "8"
    & skf18("8","2","9","5","3","9","1") = "8"
    & skf18("8","2","9","5","3","10","1") = "9"
    & skf18("8","2","9","5","4","1","1") = "8"
    & skf18("8","2","9","5","4","2","1") = "8"
    & skf18("8","2","9","5","4","3","1") = "8"
    & skf18("8","2","9","5","4","4","1") = "8"
    & skf18("8","2","9","5","4","5","1") = "8"
    & skf18("8","2","9","5","4","6","1") = "8"
    & skf18("8","2","9","5","4","7","1") = "8"
    & skf18("8","2","9","5","4","8","1") = "8"
    & skf18("8","2","9","5","4","9","1") = "8"
    & skf18("8","2","9","5","4","10","1") = "9"
    & skf18("8","2","9","5","5","1","1") = "8"
    & skf18("8","2","9","5","5","2","1") = "8"
    & skf18("8","2","9","5","5","3","1") = "8"
    & skf18("8","2","9","5","5","4","1") = "8"
    & skf18("8","2","9","5","5","5","1") = "8"
    & skf18("8","2","9","5","5","6","1") = "8"
    & skf18("8","2","9","5","5","7","1") = "8"
    & skf18("8","2","9","5","5","8","1") = "8"
    & skf18("8","2","9","5","5","9","1") = "8"
    & skf18("8","2","9","5","5","10","1") = "9"
    & skf18("8","2","9","5","6","1","1") = "8"
    & skf18("8","2","9","5","6","2","1") = "8"
    & skf18("8","2","9","5","6","3","1") = "8"
    & skf18("8","2","9","5","6","4","1") = "8"
    & skf18("8","2","9","5","6","5","1") = "8"
    & skf18("8","2","9","5","6","6","1") = "8"
    & skf18("8","2","9","5","6","7","1") = "8"
    & skf18("8","2","9","5","6","8","1") = "8"
    & skf18("8","2","9","5","6","9","1") = "8"
    & skf18("8","2","9","5","6","10","1") = "9"
    & skf18("8","2","9","5","7","1","1") = "8"
    & skf18("8","2","9","5","7","2","1") = "8"
    & skf18("8","2","9","5","7","3","1") = "8"
    & skf18("8","2","9","5","7","4","1") = "8"
    & skf18("8","2","9","5","7","5","1") = "8"
    & skf18("8","2","9","5","7","6","1") = "8"
    & skf18("8","2","9","5","7","7","1") = "8"
    & skf18("8","2","9","5","7","8","1") = "8"
    & skf18("8","2","9","5","7","9","1") = "8"
    & skf18("8","2","9","5","7","10","1") = "9"
    & skf18("8","2","9","5","8","1","1") = "8"
    & skf18("8","2","9","5","8","2","1") = "8"
    & skf18("8","2","9","5","8","3","1") = "8"
    & skf18("8","2","9","5","8","4","1") = "8"
    & skf18("8","2","9","5","8","5","1") = "8"
    & skf18("8","2","9","5","8","6","1") = "8"
    & skf18("8","2","9","5","8","7","1") = "8"
    & skf18("8","2","9","5","8","8","1") = "8"
    & skf18("8","2","9","5","8","9","1") = "8"
    & skf18("8","2","9","5","8","10","1") = "9"
    & skf18("8","2","9","5","9","1","1") = "8"
    & skf18("8","2","9","5","9","2","1") = "8"
    & skf18("8","2","9","5","9","3","1") = "8"
    & skf18("8","2","9","5","9","4","1") = "8"
    & skf18("8","2","9","5","9","5","1") = "8"
    & skf18("8","2","9","5","9","6","1") = "8"
    & skf18("8","2","9","5","9","7","1") = "8"
    & skf18("8","2","9","5","9","8","1") = "8"
    & skf18("8","2","9","5","9","9","1") = "8"
    & skf18("8","2","9","5","9","10","1") = "9"
    & skf18("8","2","9","5","10","1","1") = "9"
    & skf18("8","2","9","5","10","2","1") = "9"
    & skf18("8","2","9","5","10","3","1") = "9"
    & skf18("8","2","9","5","10","4","1") = "9"
    & skf18("8","2","9","5","10","5","1") = "9"
    & skf18("8","2","9","5","10","6","1") = "9"
    & skf18("8","2","9","5","10","7","1") = "9"
    & skf18("8","2","9","5","10","8","1") = "9"
    & skf18("8","2","9","5","10","9","1") = "9"
    & skf18("8","2","9","5","10","10","1") = "9"
    & skf18("8","2","9","6","1","1","1") = "8"
    & skf18("8","2","9","6","1","2","1") = "8"
    & skf18("8","2","9","6","1","3","1") = "8"
    & skf18("8","2","9","6","1","4","1") = "8"
    & skf18("8","2","9","6","1","5","1") = "8"
    & skf18("8","2","9","6","1","6","1") = "8"
    & skf18("8","2","9","6","1","7","1") = "8"
    & skf18("8","2","9","6","1","8","1") = "8"
    & skf18("8","2","9","6","1","9","1") = "8"
    & skf18("8","2","9","6","1","10","1") = "9"
    & skf18("8","2","9","6","2","1","1") = "8"
    & skf18("8","2","9","6","2","2","1") = "8"
    & skf18("8","2","9","6","2","3","1") = "8"
    & skf18("8","2","9","6","2","4","1") = "8"
    & skf18("8","2","9","6","2","5","1") = "8"
    & skf18("8","2","9","6","2","6","1") = "8"
    & skf18("8","2","9","6","2","7","1") = "8"
    & skf18("8","2","9","6","2","8","1") = "8"
    & skf18("8","2","9","6","2","9","1") = "8"
    & skf18("8","2","9","6","2","10","1") = "9"
    & skf18("8","2","9","6","3","1","1") = "8"
    & skf18("8","2","9","6","3","2","1") = "8"
    & skf18("8","2","9","6","3","3","1") = "8"
    & skf18("8","2","9","6","3","4","1") = "8"
    & skf18("8","2","9","6","3","5","1") = "8"
    & skf18("8","2","9","6","3","6","1") = "8"
    & skf18("8","2","9","6","3","7","1") = "8"
    & skf18("8","2","9","6","3","8","1") = "8"
    & skf18("8","2","9","6","3","9","1") = "8"
    & skf18("8","2","9","6","3","10","1") = "9"
    & skf18("8","2","9","6","4","1","1") = "8"
    & skf18("8","2","9","6","4","2","1") = "8"
    & skf18("8","2","9","6","4","3","1") = "8"
    & skf18("8","2","9","6","4","4","1") = "8"
    & skf18("8","2","9","6","4","5","1") = "8"
    & skf18("8","2","9","6","4","6","1") = "8"
    & skf18("8","2","9","6","4","7","1") = "8"
    & skf18("8","2","9","6","4","8","1") = "8"
    & skf18("8","2","9","6","4","9","1") = "8"
    & skf18("8","2","9","6","4","10","1") = "9"
    & skf18("8","2","9","6","5","1","1") = "8"
    & skf18("8","2","9","6","5","2","1") = "8"
    & skf18("8","2","9","6","5","3","1") = "8"
    & skf18("8","2","9","6","5","4","1") = "8"
    & skf18("8","2","9","6","5","5","1") = "8"
    & skf18("8","2","9","6","5","6","1") = "8"
    & skf18("8","2","9","6","5","7","1") = "8"
    & skf18("8","2","9","6","5","8","1") = "8"
    & skf18("8","2","9","6","5","9","1") = "8"
    & skf18("8","2","9","6","5","10","1") = "9"
    & skf18("8","2","9","6","6","1","1") = "8"
    & skf18("8","2","9","6","6","2","1") = "8"
    & skf18("8","2","9","6","6","3","1") = "8"
    & skf18("8","2","9","6","6","4","1") = "8"
    & skf18("8","2","9","6","6","5","1") = "8"
    & skf18("8","2","9","6","6","6","1") = "8"
    & skf18("8","2","9","6","6","7","1") = "8"
    & skf18("8","2","9","6","6","8","1") = "8"
    & skf18("8","2","9","6","6","9","1") = "8"
    & skf18("8","2","9","6","6","10","1") = "9"
    & skf18("8","2","9","6","7","1","1") = "8"
    & skf18("8","2","9","6","7","2","1") = "8"
    & skf18("8","2","9","6","7","3","1") = "8"
    & skf18("8","2","9","6","7","4","1") = "8"
    & skf18("8","2","9","6","7","5","1") = "8"
    & skf18("8","2","9","6","7","6","1") = "8"
    & skf18("8","2","9","6","7","7","1") = "8"
    & skf18("8","2","9","6","7","8","1") = "8"
    & skf18("8","2","9","6","7","9","1") = "8"
    & skf18("8","2","9","6","7","10","1") = "9"
    & skf18("8","2","9","6","8","1","1") = "8"
    & skf18("8","2","9","6","8","2","1") = "8"
    & skf18("8","2","9","6","8","3","1") = "8"
    & skf18("8","2","9","6","8","4","1") = "8"
    & skf18("8","2","9","6","8","5","1") = "8"
    & skf18("8","2","9","6","8","6","1") = "8"
    & skf18("8","2","9","6","8","7","1") = "8"
    & skf18("8","2","9","6","8","8","1") = "8"
    & skf18("8","2","9","6","8","9","1") = "8"
    & skf18("8","2","9","6","8","10","1") = "9"
    & skf18("8","2","9","6","9","1","1") = "8"
    & skf18("8","2","9","6","9","2","1") = "8"
    & skf18("8","2","9","6","9","3","1") = "8"
    & skf18("8","2","9","6","9","4","1") = "8"
    & skf18("8","2","9","6","9","5","1") = "8"
    & skf18("8","2","9","6","9","6","1") = "8"
    & skf18("8","2","9","6","9","7","1") = "8"
    & skf18("8","2","9","6","9","8","1") = "8"
    & skf18("8","2","9","6","9","9","1") = "8"
    & skf18("8","2","9","6","9","10","1") = "9"
    & skf18("8","2","9","6","10","1","1") = "9"
    & skf18("8","2","9","6","10","2","1") = "9"
    & skf18("8","2","9","6","10","3","1") = "9"
    & skf18("8","2","9","6","10","4","1") = "9"
    & skf18("8","2","9","6","10","5","1") = "9"
    & skf18("8","2","9","6","10","6","1") = "9"
    & skf18("8","2","9","6","10","7","1") = "9"
    & skf18("8","2","9","6","10","8","1") = "9"
    & skf18("8","2","9","6","10","9","1") = "9"
    & skf18("8","2","9","6","10","10","1") = "9"
    & skf18("8","2","9","7","1","1","1") = "8"
    & skf18("8","2","9","7","1","2","1") = "8"
    & skf18("8","2","9","7","1","3","1") = "8"
    & skf18("8","2","9","7","1","4","1") = "8"
    & skf18("8","2","9","7","1","5","1") = "8"
    & skf18("8","2","9","7","1","6","1") = "8"
    & skf18("8","2","9","7","1","7","1") = "8"
    & skf18("8","2","9","7","1","8","1") = "8"
    & skf18("8","2","9","7","1","9","1") = "8"
    & skf18("8","2","9","7","1","10","1") = "9"
    & skf18("8","2","9","7","2","1","1") = "8"
    & skf18("8","2","9","7","2","2","1") = "8"
    & skf18("8","2","9","7","2","3","1") = "8"
    & skf18("8","2","9","7","2","4","1") = "8"
    & skf18("8","2","9","7","2","5","1") = "8"
    & skf18("8","2","9","7","2","6","1") = "8"
    & skf18("8","2","9","7","2","7","1") = "8"
    & skf18("8","2","9","7","2","8","1") = "8"
    & skf18("8","2","9","7","2","9","1") = "8"
    & skf18("8","2","9","7","2","10","1") = "9"
    & skf18("8","2","9","7","3","1","1") = "8"
    & skf18("8","2","9","7","3","2","1") = "8"
    & skf18("8","2","9","7","3","3","1") = "8"
    & skf18("8","2","9","7","3","4","1") = "8"
    & skf18("8","2","9","7","3","5","1") = "8"
    & skf18("8","2","9","7","3","6","1") = "8"
    & skf18("8","2","9","7","3","7","1") = "8"
    & skf18("8","2","9","7","3","8","1") = "8"
    & skf18("8","2","9","7","3","9","1") = "8"
    & skf18("8","2","9","7","3","10","1") = "9"
    & skf18("8","2","9","7","4","1","1") = "8"
    & skf18("8","2","9","7","4","2","1") = "8"
    & skf18("8","2","9","7","4","3","1") = "8"
    & skf18("8","2","9","7","4","4","1") = "8"
    & skf18("8","2","9","7","4","5","1") = "8"
    & skf18("8","2","9","7","4","6","1") = "8"
    & skf18("8","2","9","7","4","7","1") = "8"
    & skf18("8","2","9","7","4","8","1") = "8"
    & skf18("8","2","9","7","4","9","1") = "8"
    & skf18("8","2","9","7","4","10","1") = "9"
    & skf18("8","2","9","7","5","1","1") = "8"
    & skf18("8","2","9","7","5","2","1") = "8"
    & skf18("8","2","9","7","5","3","1") = "8"
    & skf18("8","2","9","7","5","4","1") = "8"
    & skf18("8","2","9","7","5","5","1") = "8"
    & skf18("8","2","9","7","5","6","1") = "8"
    & skf18("8","2","9","7","5","7","1") = "8"
    & skf18("8","2","9","7","5","8","1") = "8"
    & skf18("8","2","9","7","5","9","1") = "8"
    & skf18("8","2","9","7","5","10","1") = "9"
    & skf18("8","2","9","7","6","1","1") = "8"
    & skf18("8","2","9","7","6","2","1") = "8"
    & skf18("8","2","9","7","6","3","1") = "8"
    & skf18("8","2","9","7","6","4","1") = "8"
    & skf18("8","2","9","7","6","5","1") = "8"
    & skf18("8","2","9","7","6","6","1") = "8"
    & skf18("8","2","9","7","6","7","1") = "8"
    & skf18("8","2","9","7","6","8","1") = "8"
    & skf18("8","2","9","7","6","9","1") = "8"
    & skf18("8","2","9","7","6","10","1") = "9"
    & skf18("8","2","9","7","7","1","1") = "8"
    & skf18("8","2","9","7","7","2","1") = "8"
    & skf18("8","2","9","7","7","3","1") = "8"
    & skf18("8","2","9","7","7","4","1") = "8"
    & skf18("8","2","9","7","7","5","1") = "8"
    & skf18("8","2","9","7","7","6","1") = "8"
    & skf18("8","2","9","7","7","7","1") = "8"
    & skf18("8","2","9","7","7","8","1") = "8"
    & skf18("8","2","9","7","7","9","1") = "8"
    & skf18("8","2","9","7","7","10","1") = "9"
    & skf18("8","2","9","7","8","1","1") = "8"
    & skf18("8","2","9","7","8","2","1") = "8"
    & skf18("8","2","9","7","8","3","1") = "8"
    & skf18("8","2","9","7","8","4","1") = "8"
    & skf18("8","2","9","7","8","5","1") = "8"
    & skf18("8","2","9","7","8","6","1") = "8"
    & skf18("8","2","9","7","8","7","1") = "8"
    & skf18("8","2","9","7","8","8","1") = "8"
    & skf18("8","2","9","7","8","9","1") = "8"
    & skf18("8","2","9","7","8","10","1") = "9"
    & skf18("8","2","9","7","9","1","1") = "8"
    & skf18("8","2","9","7","9","2","1") = "8"
    & skf18("8","2","9","7","9","3","1") = "8"
    & skf18("8","2","9","7","9","4","1") = "8"
    & skf18("8","2","9","7","9","5","1") = "8"
    & skf18("8","2","9","7","9","6","1") = "8"
    & skf18("8","2","9","7","9","7","1") = "8"
    & skf18("8","2","9","7","9","8","1") = "8"
    & skf18("8","2","9","7","9","9","1") = "8"
    & skf18("8","2","9","7","9","10","1") = "9"
    & skf18("8","2","9","7","10","1","1") = "9"
    & skf18("8","2","9","7","10","2","1") = "9"
    & skf18("8","2","9","7","10","3","1") = "9"
    & skf18("8","2","9","7","10","4","1") = "9"
    & skf18("8","2","9","7","10","5","1") = "9"
    & skf18("8","2","9","7","10","6","1") = "9"
    & skf18("8","2","9","7","10","7","1") = "9"
    & skf18("8","2","9","7","10","8","1") = "9"
    & skf18("8","2","9","7","10","9","1") = "9"
    & skf18("8","2","9","7","10","10","1") = "9"
    & skf18("8","2","9","8","1","1","1") = "8"
    & skf18("8","2","9","8","1","2","1") = "8"
    & skf18("8","2","9","8","1","3","1") = "8"
    & skf18("8","2","9","8","1","4","1") = "8"
    & skf18("8","2","9","8","1","5","1") = "8"
    & skf18("8","2","9","8","1","6","1") = "8"
    & skf18("8","2","9","8","1","7","1") = "8"
    & skf18("8","2","9","8","1","8","1") = "8"
    & skf18("8","2","9","8","1","9","1") = "8"
    & skf18("8","2","9","8","1","10","1") = "9"
    & skf18("8","2","9","8","2","1","1") = "8"
    & skf18("8","2","9","8","2","2","1") = "8"
    & skf18("8","2","9","8","2","3","1") = "8"
    & skf18("8","2","9","8","2","4","1") = "8"
    & skf18("8","2","9","8","2","5","1") = "8"
    & skf18("8","2","9","8","2","6","1") = "8"
    & skf18("8","2","9","8","2","7","1") = "8"
    & skf18("8","2","9","8","2","8","1") = "8"
    & skf18("8","2","9","8","2","9","1") = "8"
    & skf18("8","2","9","8","2","10","1") = "9"
    & skf18("8","2","9","8","3","1","1") = "8"
    & skf18("8","2","9","8","3","2","1") = "8"
    & skf18("8","2","9","8","3","3","1") = "8"
    & skf18("8","2","9","8","3","4","1") = "8"
    & skf18("8","2","9","8","3","5","1") = "8"
    & skf18("8","2","9","8","3","6","1") = "8"
    & skf18("8","2","9","8","3","7","1") = "8"
    & skf18("8","2","9","8","3","8","1") = "8"
    & skf18("8","2","9","8","3","9","1") = "8"
    & skf18("8","2","9","8","3","10","1") = "9"
    & skf18("8","2","9","8","4","1","1") = "8"
    & skf18("8","2","9","8","4","2","1") = "8"
    & skf18("8","2","9","8","4","3","1") = "8"
    & skf18("8","2","9","8","4","4","1") = "8"
    & skf18("8","2","9","8","4","5","1") = "8"
    & skf18("8","2","9","8","4","6","1") = "8"
    & skf18("8","2","9","8","4","7","1") = "8"
    & skf18("8","2","9","8","4","8","1") = "8"
    & skf18("8","2","9","8","4","9","1") = "8"
    & skf18("8","2","9","8","4","10","1") = "9"
    & skf18("8","2","9","8","5","1","1") = "8"
    & skf18("8","2","9","8","5","2","1") = "8"
    & skf18("8","2","9","8","5","3","1") = "8"
    & skf18("8","2","9","8","5","4","1") = "8"
    & skf18("8","2","9","8","5","5","1") = "8"
    & skf18("8","2","9","8","5","6","1") = "8"
    & skf18("8","2","9","8","5","7","1") = "8"
    & skf18("8","2","9","8","5","8","1") = "8"
    & skf18("8","2","9","8","5","9","1") = "8"
    & skf18("8","2","9","8","5","10","1") = "9"
    & skf18("8","2","9","8","6","1","1") = "8"
    & skf18("8","2","9","8","6","2","1") = "8"
    & skf18("8","2","9","8","6","3","1") = "8"
    & skf18("8","2","9","8","6","4","1") = "8"
    & skf18("8","2","9","8","6","5","1") = "8"
    & skf18("8","2","9","8","6","6","1") = "8"
    & skf18("8","2","9","8","6","7","1") = "8"
    & skf18("8","2","9","8","6","8","1") = "8"
    & skf18("8","2","9","8","6","9","1") = "8"
    & skf18("8","2","9","8","6","10","1") = "9"
    & skf18("8","2","9","8","7","1","1") = "8"
    & skf18("8","2","9","8","7","2","1") = "8"
    & skf18("8","2","9","8","7","3","1") = "8"
    & skf18("8","2","9","8","7","4","1") = "8"
    & skf18("8","2","9","8","7","5","1") = "8"
    & skf18("8","2","9","8","7","6","1") = "8"
    & skf18("8","2","9","8","7","7","1") = "8"
    & skf18("8","2","9","8","7","8","1") = "8"
    & skf18("8","2","9","8","7","9","1") = "8"
    & skf18("8","2","9","8","7","10","1") = "9"
    & skf18("8","2","9","8","8","1","1") = "8"
    & skf18("8","2","9","8","8","2","1") = "8"
    & skf18("8","2","9","8","8","3","1") = "8"
    & skf18("8","2","9","8","8","4","1") = "8"
    & skf18("8","2","9","8","8","5","1") = "8"
    & skf18("8","2","9","8","8","6","1") = "8"
    & skf18("8","2","9","8","8","7","1") = "8"
    & skf18("8","2","9","8","8","8","1") = "8"
    & skf18("8","2","9","8","8","9","1") = "8"
    & skf18("8","2","9","8","8","10","1") = "9"
    & skf18("8","2","9","8","9","1","1") = "8"
    & skf18("8","2","9","8","9","2","1") = "8"
    & skf18("8","2","9","8","9","3","1") = "8"
    & skf18("8","2","9","8","9","4","1") = "8"
    & skf18("8","2","9","8","9","5","1") = "8"
    & skf18("8","2","9","8","9","6","1") = "8"
    & skf18("8","2","9","8","9","7","1") = "8"
    & skf18("8","2","9","8","9","8","1") = "8"
    & skf18("8","2","9","8","9","9","1") = "8"
    & skf18("8","2","9","8","9","10","1") = "9"
    & skf18("8","2","9","8","10","1","1") = "9"
    & skf18("8","2","9","8","10","2","1") = "9"
    & skf18("8","2","9","8","10","3","1") = "9"
    & skf18("8","2","9","8","10","4","1") = "9"
    & skf18("8","2","9","8","10","5","1") = "9"
    & skf18("8","2","9","8","10","6","1") = "9"
    & skf18("8","2","9","8","10","7","1") = "9"
    & skf18("8","2","9","8","10","8","1") = "9"
    & skf18("8","2","9","8","10","9","1") = "9"
    & skf18("8","2","9","8","10","10","1") = "9"
    & skf18("8","2","9","9","1","1","1") = "8"
    & skf18("8","2","9","9","1","2","1") = "8"
    & skf18("8","2","9","9","1","3","1") = "8"
    & skf18("8","2","9","9","1","4","1") = "8"
    & skf18("8","2","9","9","1","5","1") = "8"
    & skf18("8","2","9","9","1","6","1") = "8"
    & skf18("8","2","9","9","1","7","1") = "8"
    & skf18("8","2","9","9","1","8","1") = "8"
    & skf18("8","2","9","9","1","9","1") = "8"
    & skf18("8","2","9","9","1","10","1") = "9"
    & skf18("8","2","9","9","2","1","1") = "8"
    & skf18("8","2","9","9","2","2","1") = "8"
    & skf18("8","2","9","9","2","3","1") = "8"
    & skf18("8","2","9","9","2","4","1") = "8"
    & skf18("8","2","9","9","2","5","1") = "8"
    & skf18("8","2","9","9","2","6","1") = "8"
    & skf18("8","2","9","9","2","7","1") = "8"
    & skf18("8","2","9","9","2","8","1") = "8"
    & skf18("8","2","9","9","2","9","1") = "8"
    & skf18("8","2","9","9","2","10","1") = "9"
    & skf18("8","2","9","9","3","1","1") = "8"
    & skf18("8","2","9","9","3","2","1") = "8"
    & skf18("8","2","9","9","3","3","1") = "8"
    & skf18("8","2","9","9","3","4","1") = "8"
    & skf18("8","2","9","9","3","5","1") = "8"
    & skf18("8","2","9","9","3","6","1") = "8"
    & skf18("8","2","9","9","3","7","1") = "8"
    & skf18("8","2","9","9","3","8","1") = "8"
    & skf18("8","2","9","9","3","9","1") = "8"
    & skf18("8","2","9","9","3","10","1") = "9"
    & skf18("8","2","9","9","4","1","1") = "8"
    & skf18("8","2","9","9","4","2","1") = "8"
    & skf18("8","2","9","9","4","3","1") = "8"
    & skf18("8","2","9","9","4","4","1") = "8"
    & skf18("8","2","9","9","4","5","1") = "8"
    & skf18("8","2","9","9","4","6","1") = "8"
    & skf18("8","2","9","9","4","7","1") = "8"
    & skf18("8","2","9","9","4","8","1") = "8"
    & skf18("8","2","9","9","4","9","1") = "8"
    & skf18("8","2","9","9","4","10","1") = "9"
    & skf18("8","2","9","9","5","1","1") = "8"
    & skf18("8","2","9","9","5","2","1") = "8"
    & skf18("8","2","9","9","5","3","1") = "8"
    & skf18("8","2","9","9","5","4","1") = "8"
    & skf18("8","2","9","9","5","5","1") = "8"
    & skf18("8","2","9","9","5","6","1") = "8"
    & skf18("8","2","9","9","5","7","1") = "8"
    & skf18("8","2","9","9","5","8","1") = "8"
    & skf18("8","2","9","9","5","9","1") = "8"
    & skf18("8","2","9","9","5","10","1") = "9"
    & skf18("8","2","9","9","6","1","1") = "8"
    & skf18("8","2","9","9","6","2","1") = "8"
    & skf18("8","2","9","9","6","3","1") = "8"
    & skf18("8","2","9","9","6","4","1") = "8"
    & skf18("8","2","9","9","6","5","1") = "8"
    & skf18("8","2","9","9","6","6","1") = "8"
    & skf18("8","2","9","9","6","7","1") = "8"
    & skf18("8","2","9","9","6","8","1") = "8"
    & skf18("8","2","9","9","6","9","1") = "8"
    & skf18("8","2","9","9","6","10","1") = "9"
    & skf18("8","2","9","9","7","1","1") = "8"
    & skf18("8","2","9","9","7","2","1") = "8"
    & skf18("8","2","9","9","7","3","1") = "8"
    & skf18("8","2","9","9","7","4","1") = "8"
    & skf18("8","2","9","9","7","5","1") = "8"
    & skf18("8","2","9","9","7","6","1") = "8"
    & skf18("8","2","9","9","7","7","1") = "8"
    & skf18("8","2","9","9","7","8","1") = "8"
    & skf18("8","2","9","9","7","9","1") = "8"
    & skf18("8","2","9","9","7","10","1") = "9"
    & skf18("8","2","9","9","8","1","1") = "8"
    & skf18("8","2","9","9","8","2","1") = "8"
    & skf18("8","2","9","9","8","3","1") = "8"
    & skf18("8","2","9","9","8","4","1") = "8"
    & skf18("8","2","9","9","8","5","1") = "8"
    & skf18("8","2","9","9","8","6","1") = "8"
    & skf18("8","2","9","9","8","7","1") = "8"
    & skf18("8","2","9","9","8","8","1") = "8"
    & skf18("8","2","9","9","8","9","1") = "8"
    & skf18("8","2","9","9","8","10","1") = "9"
    & skf18("8","2","9","9","9","1","1") = "8"
    & skf18("8","2","9","9","9","2","1") = "8"
    & skf18("8","2","9","9","9","3","1") = "8"
    & skf18("8","2","9","9","9","4","1") = "8"
    & skf18("8","2","9","9","9","5","1") = "8"
    & skf18("8","2","9","9","9","6","1") = "8"
    & skf18("8","2","9","9","9","7","1") = "8"
    & skf18("8","2","9","9","9","8","1") = "8"
    & skf18("8","2","9","9","9","9","1") = "8"
    & skf18("8","2","9","9","9","10","1") = "9"
    & skf18("8","2","9","9","10","1","1") = "9"
    & skf18("8","2","9","9","10","2","1") = "9"
    & skf18("8","2","9","9","10","3","1") = "9"
    & skf18("8","2","9","9","10","4","1") = "9"
    & skf18("8","2","9","9","10","5","1") = "9"
    & skf18("8","2","9","9","10","6","1") = "9"
    & skf18("8","2","9","9","10","7","1") = "9"
    & skf18("8","2","9","9","10","8","1") = "9"
    & skf18("8","2","9","9","10","9","1") = "9"
    & skf18("8","2","9","9","10","10","1") = "9"
    & skf18("8","2","9","10","1","1","1") = "9"
    & skf18("8","2","9","10","1","2","1") = "9"
    & skf18("8","2","9","10","1","3","1") = "9"
    & skf18("8","2","9","10","1","4","1") = "9"
    & skf18("8","2","9","10","1","5","1") = "9"
    & skf18("8","2","9","10","1","6","1") = "9"
    & skf18("8","2","9","10","1","7","1") = "9"
    & skf18("8","2","9","10","1","8","1") = "9"
    & skf18("8","2","9","10","1","9","1") = "9"
    & skf18("8","2","9","10","1","10","1") = "9"
    & skf18("8","2","9","10","2","1","1") = "9"
    & skf18("8","2","9","10","2","2","1") = "9"
    & skf18("8","2","9","10","2","3","1") = "9"
    & skf18("8","2","9","10","2","4","1") = "9"
    & skf18("8","2","9","10","2","5","1") = "9"
    & skf18("8","2","9","10","2","6","1") = "9"
    & skf18("8","2","9","10","2","7","1") = "9"
    & skf18("8","2","9","10","2","8","1") = "9"
    & skf18("8","2","9","10","2","9","1") = "9"
    & skf18("8","2","9","10","2","10","1") = "9"
    & skf18("8","2","9","10","3","1","1") = "9"
    & skf18("8","2","9","10","3","2","1") = "9"
    & skf18("8","2","9","10","3","3","1") = "9"
    & skf18("8","2","9","10","3","4","1") = "9"
    & skf18("8","2","9","10","3","5","1") = "9"
    & skf18("8","2","9","10","3","6","1") = "9"
    & skf18("8","2","9","10","3","7","1") = "9"
    & skf18("8","2","9","10","3","8","1") = "9"
    & skf18("8","2","9","10","3","9","1") = "9"
    & skf18("8","2","9","10","3","10","1") = "9"
    & skf18("8","2","9","10","4","1","1") = "9"
    & skf18("8","2","9","10","4","2","1") = "9"
    & skf18("8","2","9","10","4","3","1") = "9"
    & skf18("8","2","9","10","4","4","1") = "9"
    & skf18("8","2","9","10","4","5","1") = "9"
    & skf18("8","2","9","10","4","6","1") = "9"
    & skf18("8","2","9","10","4","7","1") = "9"
    & skf18("8","2","9","10","4","8","1") = "9"
    & skf18("8","2","9","10","4","9","1") = "9"
    & skf18("8","2","9","10","4","10","1") = "9"
    & skf18("8","2","9","10","5","1","1") = "9"
    & skf18("8","2","9","10","5","2","1") = "9"
    & skf18("8","2","9","10","5","3","1") = "9"
    & skf18("8","2","9","10","5","4","1") = "9"
    & skf18("8","2","9","10","5","5","1") = "9"
    & skf18("8","2","9","10","5","6","1") = "9"
    & skf18("8","2","9","10","5","7","1") = "9"
    & skf18("8","2","9","10","5","8","1") = "9"
    & skf18("8","2","9","10","5","9","1") = "9"
    & skf18("8","2","9","10","5","10","1") = "9"
    & skf18("8","2","9","10","6","1","1") = "9"
    & skf18("8","2","9","10","6","2","1") = "9"
    & skf18("8","2","9","10","6","3","1") = "9"
    & skf18("8","2","9","10","6","4","1") = "9"
    & skf18("8","2","9","10","6","5","1") = "9"
    & skf18("8","2","9","10","6","6","1") = "9"
    & skf18("8","2","9","10","6","7","1") = "9"
    & skf18("8","2","9","10","6","8","1") = "9"
    & skf18("8","2","9","10","6","9","1") = "9"
    & skf18("8","2","9","10","6","10","1") = "9"
    & skf18("8","2","9","10","7","1","1") = "9"
    & skf18("8","2","9","10","7","2","1") = "9"
    & skf18("8","2","9","10","7","3","1") = "9"
    & skf18("8","2","9","10","7","4","1") = "9"
    & skf18("8","2","9","10","7","5","1") = "9"
    & skf18("8","2","9","10","7","6","1") = "9"
    & skf18("8","2","9","10","7","7","1") = "9"
    & skf18("8","2","9","10","7","8","1") = "9"
    & skf18("8","2","9","10","7","9","1") = "9"
    & skf18("8","2","9","10","7","10","1") = "9"
    & skf18("8","2","9","10","8","1","1") = "9"
    & skf18("8","2","9","10","8","2","1") = "9"
    & skf18("8","2","9","10","8","3","1") = "9"
    & skf18("8","2","9","10","8","4","1") = "9"
    & skf18("8","2","9","10","8","5","1") = "9"
    & skf18("8","2","9","10","8","6","1") = "9"
    & skf18("8","2","9","10","8","7","1") = "9"
    & skf18("8","2","9","10","8","8","1") = "9"
    & skf18("8","2","9","10","8","9","1") = "9"
    & skf18("8","2","9","10","8","10","1") = "9"
    & skf18("8","2","9","10","9","1","1") = "9"
    & skf18("8","2","9","10","9","2","1") = "9"
    & skf18("8","2","9","10","9","3","1") = "9"
    & skf18("8","2","9","10","9","4","1") = "9"
    & skf18("8","2","9","10","9","5","1") = "9"
    & skf18("8","2","9","10","9","6","1") = "9"
    & skf18("8","2","9","10","9","7","1") = "9"
    & skf18("8","2","9","10","9","8","1") = "9"
    & skf18("8","2","9","10","9","9","1") = "9"
    & skf18("8","2","9","10","9","10","1") = "9"
    & skf18("8","2","9","10","10","1","1") = "9"
    & skf18("8","2","9","10","10","2","1") = "9"
    & skf18("8","2","9","10","10","3","1") = "9"
    & skf18("8","2","9","10","10","4","1") = "9"
    & skf18("8","2","9","10","10","5","1") = "9"
    & skf18("8","2","9","10","10","6","1") = "9"
    & skf18("8","2","9","10","10","7","1") = "9"
    & skf18("8","2","9","10","10","8","1") = "9"
    & skf18("8","2","9","10","10","9","1") = "9"
    & skf18("8","2","9","10","10","10","1") = "9"
    & skf18("8","2","10","1","1","1","1") = "9"
    & skf18("8","2","10","1","1","2","1") = "9"
    & skf18("8","2","10","1","1","3","1") = "9"
    & skf18("8","2","10","1","1","4","1") = "9"
    & skf18("8","2","10","1","1","5","1") = "9"
    & skf18("8","2","10","1","1","6","1") = "9"
    & skf18("8","2","10","1","1","7","1") = "9"
    & skf18("8","2","10","1","1","8","1") = "9"
    & skf18("8","2","10","1","1","9","1") = "9"
    & skf18("8","2","10","1","1","10","1") = "9"
    & skf18("8","2","10","1","2","1","1") = "9"
    & skf18("8","2","10","1","2","2","1") = "9"
    & skf18("8","2","10","1","2","3","1") = "9"
    & skf18("8","2","10","1","2","4","1") = "9"
    & skf18("8","2","10","1","2","5","1") = "9"
    & skf18("8","2","10","1","2","6","1") = "9"
    & skf18("8","2","10","1","2","7","1") = "9"
    & skf18("8","2","10","1","2","8","1") = "9"
    & skf18("8","2","10","1","2","9","1") = "9"
    & skf18("8","2","10","1","2","10","1") = "9"
    & skf18("8","2","10","1","3","1","1") = "9"
    & skf18("8","2","10","1","3","2","1") = "9"
    & skf18("8","2","10","1","3","3","1") = "9"
    & skf18("8","2","10","1","3","4","1") = "9"
    & skf18("8","2","10","1","3","5","1") = "9"
    & skf18("8","2","10","1","3","6","1") = "9"
    & skf18("8","2","10","1","3","7","1") = "9"
    & skf18("8","2","10","1","3","8","1") = "9"
    & skf18("8","2","10","1","3","9","1") = "9"
    & skf18("8","2","10","1","3","10","1") = "9"
    & skf18("8","2","10","1","4","1","1") = "9"
    & skf18("8","2","10","1","4","2","1") = "9"
    & skf18("8","2","10","1","4","3","1") = "9"
    & skf18("8","2","10","1","4","4","1") = "9"
    & skf18("8","2","10","1","4","5","1") = "9"
    & skf18("8","2","10","1","4","6","1") = "9"
    & skf18("8","2","10","1","4","7","1") = "9"
    & skf18("8","2","10","1","4","8","1") = "9"
    & skf18("8","2","10","1","4","9","1") = "9"
    & skf18("8","2","10","1","4","10","1") = "9"
    & skf18("8","2","10","1","5","1","1") = "9"
    & skf18("8","2","10","1","5","2","1") = "9"
    & skf18("8","2","10","1","5","3","1") = "9"
    & skf18("8","2","10","1","5","4","1") = "9"
    & skf18("8","2","10","1","5","5","1") = "9"
    & skf18("8","2","10","1","5","6","1") = "9"
    & skf18("8","2","10","1","5","7","1") = "9"
    & skf18("8","2","10","1","5","8","1") = "9"
    & skf18("8","2","10","1","5","9","1") = "9"
    & skf18("8","2","10","1","5","10","1") = "9"
    & skf18("8","2","10","1","6","1","1") = "9"
    & skf18("8","2","10","1","6","2","1") = "9"
    & skf18("8","2","10","1","6","3","1") = "9"
    & skf18("8","2","10","1","6","4","1") = "9"
    & skf18("8","2","10","1","6","5","1") = "9"
    & skf18("8","2","10","1","6","6","1") = "9"
    & skf18("8","2","10","1","6","7","1") = "9"
    & skf18("8","2","10","1","6","8","1") = "9"
    & skf18("8","2","10","1","6","9","1") = "9"
    & skf18("8","2","10","1","6","10","1") = "9"
    & skf18("8","2","10","1","7","1","1") = "9"
    & skf18("8","2","10","1","7","2","1") = "9"
    & skf18("8","2","10","1","7","3","1") = "9"
    & skf18("8","2","10","1","7","4","1") = "9"
    & skf18("8","2","10","1","7","5","1") = "9"
    & skf18("8","2","10","1","7","6","1") = "9"
    & skf18("8","2","10","1","7","7","1") = "9"
    & skf18("8","2","10","1","7","8","1") = "9"
    & skf18("8","2","10","1","7","9","1") = "9"
    & skf18("8","2","10","1","7","10","1") = "9"
    & skf18("8","2","10","1","8","1","1") = "9"
    & skf18("8","2","10","1","8","2","1") = "9"
    & skf18("8","2","10","1","8","3","1") = "9"
    & skf18("8","2","10","1","8","4","1") = "9"
    & skf18("8","2","10","1","8","5","1") = "9"
    & skf18("8","2","10","1","8","6","1") = "9"
    & skf18("8","2","10","1","8","7","1") = "9"
    & skf18("8","2","10","1","8","8","1") = "9"
    & skf18("8","2","10","1","8","9","1") = "9"
    & skf18("8","2","10","1","8","10","1") = "9"
    & skf18("8","2","10","1","9","1","1") = "9"
    & skf18("8","2","10","1","9","2","1") = "9"
    & skf18("8","2","10","1","9","3","1") = "9"
    & skf18("8","2","10","1","9","4","1") = "9"
    & skf18("8","2","10","1","9","5","1") = "9"
    & skf18("8","2","10","1","9","6","1") = "9"
    & skf18("8","2","10","1","9","7","1") = "9"
    & skf18("8","2","10","1","9","8","1") = "9"
    & skf18("8","2","10","1","9","9","1") = "9"
    & skf18("8","2","10","1","9","10","1") = "9"
    & skf18("8","2","10","1","10","1","1") = "9"
    & skf18("8","2","10","1","10","2","1") = "9"
    & skf18("8","2","10","1","10","3","1") = "9"
    & skf18("8","2","10","1","10","4","1") = "9"
    & skf18("8","2","10","1","10","5","1") = "9"
    & skf18("8","2","10","1","10","6","1") = "9"
    & skf18("8","2","10","1","10","7","1") = "9"
    & skf18("8","2","10","1","10","8","1") = "9"
    & skf18("8","2","10","1","10","9","1") = "9"
    & skf18("8","2","10","1","10","10","1") = "9"
    & skf18("8","2","10","2","1","1","1") = "9"
    & skf18("8","2","10","2","1","2","1") = "9"
    & skf18("8","2","10","2","1","3","1") = "9"
    & skf18("8","2","10","2","1","4","1") = "9"
    & skf18("8","2","10","2","1","5","1") = "9"
    & skf18("8","2","10","2","1","6","1") = "9"
    & skf18("8","2","10","2","1","7","1") = "9"
    & skf18("8","2","10","2","1","8","1") = "9"
    & skf18("8","2","10","2","1","9","1") = "9"
    & skf18("8","2","10","2","1","10","1") = "9"
    & skf18("8","2","10","2","2","1","1") = "9"
    & skf18("8","2","10","2","2","2","1") = "9"
    & skf18("8","2","10","2","2","3","1") = "9"
    & skf18("8","2","10","2","2","4","1") = "9"
    & skf18("8","2","10","2","2","5","1") = "9"
    & skf18("8","2","10","2","2","6","1") = "9"
    & skf18("8","2","10","2","2","7","1") = "9"
    & skf18("8","2","10","2","2","8","1") = "9"
    & skf18("8","2","10","2","2","9","1") = "9"
    & skf18("8","2","10","2","2","10","1") = "9"
    & skf18("8","2","10","2","3","1","1") = "9"
    & skf18("8","2","10","2","3","2","1") = "9"
    & skf18("8","2","10","2","3","3","1") = "9"
    & skf18("8","2","10","2","3","4","1") = "9"
    & skf18("8","2","10","2","3","5","1") = "9"
    & skf18("8","2","10","2","3","6","1") = "9"
    & skf18("8","2","10","2","3","7","1") = "9"
    & skf18("8","2","10","2","3","8","1") = "9"
    & skf18("8","2","10","2","3","9","1") = "9"
    & skf18("8","2","10","2","3","10","1") = "9"
    & skf18("8","2","10","2","4","1","1") = "9"
    & skf18("8","2","10","2","4","2","1") = "9"
    & skf18("8","2","10","2","4","3","1") = "9"
    & skf18("8","2","10","2","4","4","1") = "9"
    & skf18("8","2","10","2","4","5","1") = "9"
    & skf18("8","2","10","2","4","6","1") = "9"
    & skf18("8","2","10","2","4","7","1") = "9"
    & skf18("8","2","10","2","4","8","1") = "9"
    & skf18("8","2","10","2","4","9","1") = "9"
    & skf18("8","2","10","2","4","10","1") = "9"
    & skf18("8","2","10","2","5","1","1") = "9"
    & skf18("8","2","10","2","5","2","1") = "9"
    & skf18("8","2","10","2","5","3","1") = "9"
    & skf18("8","2","10","2","5","4","1") = "9"
    & skf18("8","2","10","2","5","5","1") = "9"
    & skf18("8","2","10","2","5","6","1") = "9"
    & skf18("8","2","10","2","5","7","1") = "9"
    & skf18("8","2","10","2","5","8","1") = "9"
    & skf18("8","2","10","2","5","9","1") = "9"
    & skf18("8","2","10","2","5","10","1") = "9"
    & skf18("8","2","10","2","6","1","1") = "9"
    & skf18("8","2","10","2","6","2","1") = "9"
    & skf18("8","2","10","2","6","3","1") = "9"
    & skf18("8","2","10","2","6","4","1") = "9"
    & skf18("8","2","10","2","6","5","1") = "9"
    & skf18("8","2","10","2","6","6","1") = "9"
    & skf18("8","2","10","2","6","7","1") = "9"
    & skf18("8","2","10","2","6","8","1") = "9"
    & skf18("8","2","10","2","6","9","1") = "9"
    & skf18("8","2","10","2","6","10","1") = "9"
    & skf18("8","2","10","2","7","1","1") = "9"
    & skf18("8","2","10","2","7","2","1") = "9"
    & skf18("8","2","10","2","7","3","1") = "9"
    & skf18("8","2","10","2","7","4","1") = "9"
    & skf18("8","2","10","2","7","5","1") = "9"
    & skf18("8","2","10","2","7","6","1") = "9"
    & skf18("8","2","10","2","7","7","1") = "9"
    & skf18("8","2","10","2","7","8","1") = "9"
    & skf18("8","2","10","2","7","9","1") = "9"
    & skf18("8","2","10","2","7","10","1") = "9"
    & skf18("8","2","10","2","8","1","1") = "9"
    & skf18("8","2","10","2","8","2","1") = "9"
    & skf18("8","2","10","2","8","3","1") = "9"
    & skf18("8","2","10","2","8","4","1") = "9"
    & skf18("8","2","10","2","8","5","1") = "9"
    & skf18("8","2","10","2","8","6","1") = "9"
    & skf18("8","2","10","2","8","7","1") = "9"
    & skf18("8","2","10","2","8","8","1") = "9"
    & skf18("8","2","10","2","8","9","1") = "9"
    & skf18("8","2","10","2","8","10","1") = "9"
    & skf18("8","2","10","2","9","1","1") = "9"
    & skf18("8","2","10","2","9","2","1") = "9"
    & skf18("8","2","10","2","9","3","1") = "9"
    & skf18("8","2","10","2","9","4","1") = "9"
    & skf18("8","2","10","2","9","5","1") = "9"
    & skf18("8","2","10","2","9","6","1") = "9"
    & skf18("8","2","10","2","9","7","1") = "9"
    & skf18("8","2","10","2","9","8","1") = "9"
    & skf18("8","2","10","2","9","9","1") = "9"
    & skf18("8","2","10","2","9","10","1") = "9"
    & skf18("8","2","10","2","10","1","1") = "9"
    & skf18("8","2","10","2","10","2","1") = "9"
    & skf18("8","2","10","2","10","3","1") = "9"
    & skf18("8","2","10","2","10","4","1") = "9"
    & skf18("8","2","10","2","10","5","1") = "9"
    & skf18("8","2","10","2","10","6","1") = "9"
    & skf18("8","2","10","2","10","7","1") = "9"
    & skf18("8","2","10","2","10","8","1") = "9"
    & skf18("8","2","10","2","10","9","1") = "9"
    & skf18("8","2","10","2","10","10","1") = "9"
    & skf18("8","2","10","3","1","1","1") = "9"
    & skf18("8","2","10","3","1","2","1") = "9"
    & skf18("8","2","10","3","1","3","1") = "9"
    & skf18("8","2","10","3","1","4","1") = "9"
    & skf18("8","2","10","3","1","5","1") = "9"
    & skf18("8","2","10","3","1","6","1") = "9"
    & skf18("8","2","10","3","1","7","1") = "9"
    & skf18("8","2","10","3","1","8","1") = "9"
    & skf18("8","2","10","3","1","9","1") = "9"
    & skf18("8","2","10","3","1","10","1") = "9"
    & skf18("8","2","10","3","2","1","1") = "9"
    & skf18("8","2","10","3","2","2","1") = "9"
    & skf18("8","2","10","3","2","3","1") = "9"
    & skf18("8","2","10","3","2","4","1") = "9"
    & skf18("8","2","10","3","2","5","1") = "9"
    & skf18("8","2","10","3","2","6","1") = "9"
    & skf18("8","2","10","3","2","7","1") = "9"
    & skf18("8","2","10","3","2","8","1") = "9"
    & skf18("8","2","10","3","2","9","1") = "9"
    & skf18("8","2","10","3","2","10","1") = "9"
    & skf18("8","2","10","3","3","1","1") = "9"
    & skf18("8","2","10","3","3","2","1") = "9"
    & skf18("8","2","10","3","3","3","1") = "9"
    & skf18("8","2","10","3","3","4","1") = "9"
    & skf18("8","2","10","3","3","5","1") = "9"
    & skf18("8","2","10","3","3","6","1") = "9"
    & skf18("8","2","10","3","3","7","1") = "9"
    & skf18("8","2","10","3","3","8","1") = "9"
    & skf18("8","2","10","3","3","9","1") = "9"
    & skf18("8","2","10","3","3","10","1") = "9"
    & skf18("8","2","10","3","4","1","1") = "9"
    & skf18("8","2","10","3","4","2","1") = "9"
    & skf18("8","2","10","3","4","3","1") = "9"
    & skf18("8","2","10","3","4","4","1") = "9"
    & skf18("8","2","10","3","4","5","1") = "9"
    & skf18("8","2","10","3","4","6","1") = "9"
    & skf18("8","2","10","3","4","7","1") = "9"
    & skf18("8","2","10","3","4","8","1") = "9"
    & skf18("8","2","10","3","4","9","1") = "9"
    & skf18("8","2","10","3","4","10","1") = "9"
    & skf18("8","2","10","3","5","1","1") = "9"
    & skf18("8","2","10","3","5","2","1") = "9"
    & skf18("8","2","10","3","5","3","1") = "9"
    & skf18("8","2","10","3","5","4","1") = "9"
    & skf18("8","2","10","3","5","5","1") = "9"
    & skf18("8","2","10","3","5","6","1") = "9"
    & skf18("8","2","10","3","5","7","1") = "9"
    & skf18("8","2","10","3","5","8","1") = "9"
    & skf18("8","2","10","3","5","9","1") = "9"
    & skf18("8","2","10","3","5","10","1") = "9"
    & skf18("8","2","10","3","6","1","1") = "9"
    & skf18("8","2","10","3","6","2","1") = "9"
    & skf18("8","2","10","3","6","3","1") = "9"
    & skf18("8","2","10","3","6","4","1") = "9"
    & skf18("8","2","10","3","6","5","1") = "9"
    & skf18("8","2","10","3","6","6","1") = "9"
    & skf18("8","2","10","3","6","7","1") = "9"
    & skf18("8","2","10","3","6","8","1") = "9"
    & skf18("8","2","10","3","6","9","1") = "9"
    & skf18("8","2","10","3","6","10","1") = "9"
    & skf18("8","2","10","3","7","1","1") = "9"
    & skf18("8","2","10","3","7","2","1") = "9"
    & skf18("8","2","10","3","7","3","1") = "9"
    & skf18("8","2","10","3","7","4","1") = "9"
    & skf18("8","2","10","3","7","5","1") = "9"
    & skf18("8","2","10","3","7","6","1") = "9"
    & skf18("8","2","10","3","7","7","1") = "9"
    & skf18("8","2","10","3","7","8","1") = "9"
    & skf18("8","2","10","3","7","9","1") = "9"
    & skf18("8","2","10","3","7","10","1") = "9"
    & skf18("8","2","10","3","8","1","1") = "9"
    & skf18("8","2","10","3","8","2","1") = "9"
    & skf18("8","2","10","3","8","3","1") = "9"
    & skf18("8","2","10","3","8","4","1") = "9"
    & skf18("8","2","10","3","8","5","1") = "9"
    & skf18("8","2","10","3","8","6","1") = "9"
    & skf18("8","2","10","3","8","7","1") = "9"
    & skf18("8","2","10","3","8","8","1") = "9"
    & skf18("8","2","10","3","8","9","1") = "9"
    & skf18("8","2","10","3","8","10","1") = "9"
    & skf18("8","2","10","3","9","1","1") = "9"
    & skf18("8","2","10","3","9","2","1") = "9"
    & skf18("8","2","10","3","9","3","1") = "9"
    & skf18("8","2","10","3","9","4","1") = "9"
    & skf18("8","2","10","3","9","5","1") = "9"
    & skf18("8","2","10","3","9","6","1") = "9"
    & skf18("8","2","10","3","9","7","1") = "9"
    & skf18("8","2","10","3","9","8","1") = "9"
    & skf18("8","2","10","3","9","9","1") = "9"
    & skf18("8","2","10","3","9","10","1") = "9"
    & skf18("8","2","10","3","10","1","1") = "9"
    & skf18("8","2","10","3","10","2","1") = "9"
    & skf18("8","2","10","3","10","3","1") = "9"
    & skf18("8","2","10","3","10","4","1") = "9"
    & skf18("8","2","10","3","10","5","1") = "9"
    & skf18("8","2","10","3","10","6","1") = "9"
    & skf18("8","2","10","3","10","7","1") = "9"
    & skf18("8","2","10","3","10","8","1") = "9"
    & skf18("8","2","10","3","10","9","1") = "9"
    & skf18("8","2","10","3","10","10","1") = "9"
    & skf18("8","2","10","4","1","1","1") = "9"
    & skf18("8","2","10","4","1","2","1") = "9"
    & skf18("8","2","10","4","1","3","1") = "9"
    & skf18("8","2","10","4","1","4","1") = "9"
    & skf18("8","2","10","4","1","5","1") = "9"
    & skf18("8","2","10","4","1","6","1") = "9"
    & skf18("8","2","10","4","1","7","1") = "9"
    & skf18("8","2","10","4","1","8","1") = "9"
    & skf18("8","2","10","4","1","9","1") = "9"
    & skf18("8","2","10","4","1","10","1") = "9"
    & skf18("8","2","10","4","2","1","1") = "9"
    & skf18("8","2","10","4","2","2","1") = "9"
    & skf18("8","2","10","4","2","3","1") = "9"
    & skf18("8","2","10","4","2","4","1") = "9"
    & skf18("8","2","10","4","2","5","1") = "9"
    & skf18("8","2","10","4","2","6","1") = "9"
    & skf18("8","2","10","4","2","7","1") = "9"
    & skf18("8","2","10","4","2","8","1") = "9"
    & skf18("8","2","10","4","2","9","1") = "9"
    & skf18("8","2","10","4","2","10","1") = "9"
    & skf18("8","2","10","4","3","1","1") = "9"
    & skf18("8","2","10","4","3","2","1") = "9"
    & skf18("8","2","10","4","3","3","1") = "9"
    & skf18("8","2","10","4","3","4","1") = "9"
    & skf18("8","2","10","4","3","5","1") = "9"
    & skf18("8","2","10","4","3","6","1") = "9"
    & skf18("8","2","10","4","3","7","1") = "9"
    & skf18("8","2","10","4","3","8","1") = "9"
    & skf18("8","2","10","4","3","9","1") = "9"
    & skf18("8","2","10","4","3","10","1") = "9"
    & skf18("8","2","10","4","4","1","1") = "9"
    & skf18("8","2","10","4","4","2","1") = "9"
    & skf18("8","2","10","4","4","3","1") = "9"
    & skf18("8","2","10","4","4","4","1") = "9"
    & skf18("8","2","10","4","4","5","1") = "9"
    & skf18("8","2","10","4","4","6","1") = "9"
    & skf18("8","2","10","4","4","7","1") = "9"
    & skf18("8","2","10","4","4","8","1") = "9"
    & skf18("8","2","10","4","4","9","1") = "9"
    & skf18("8","2","10","4","4","10","1") = "9"
    & skf18("8","2","10","4","5","1","1") = "9"
    & skf18("8","2","10","4","5","2","1") = "9"
    & skf18("8","2","10","4","5","3","1") = "9"
    & skf18("8","2","10","4","5","4","1") = "9"
    & skf18("8","2","10","4","5","5","1") = "9"
    & skf18("8","2","10","4","5","6","1") = "9"
    & skf18("8","2","10","4","5","7","1") = "9"
    & skf18("8","2","10","4","5","8","1") = "9"
    & skf18("8","2","10","4","5","9","1") = "9"
    & skf18("8","2","10","4","5","10","1") = "9"
    & skf18("8","2","10","4","6","1","1") = "9"
    & skf18("8","2","10","4","6","2","1") = "9"
    & skf18("8","2","10","4","6","3","1") = "9"
    & skf18("8","2","10","4","6","4","1") = "9"
    & skf18("8","2","10","4","6","5","1") = "9"
    & skf18("8","2","10","4","6","6","1") = "9"
    & skf18("8","2","10","4","6","7","1") = "9"
    & skf18("8","2","10","4","6","8","1") = "9"
    & skf18("8","2","10","4","6","9","1") = "9"
    & skf18("8","2","10","4","6","10","1") = "9"
    & skf18("8","2","10","4","7","1","1") = "9"
    & skf18("8","2","10","4","7","2","1") = "9"
    & skf18("8","2","10","4","7","3","1") = "9"
    & skf18("8","2","10","4","7","4","1") = "9"
    & skf18("8","2","10","4","7","5","1") = "9"
    & skf18("8","2","10","4","7","6","1") = "9"
    & skf18("8","2","10","4","7","7","1") = "9"
    & skf18("8","2","10","4","7","8","1") = "9"
    & skf18("8","2","10","4","7","9","1") = "9"
    & skf18("8","2","10","4","7","10","1") = "9"
    & skf18("8","2","10","4","8","1","1") = "9"
    & skf18("8","2","10","4","8","2","1") = "9"
    & skf18("8","2","10","4","8","3","1") = "9"
    & skf18("8","2","10","4","8","4","1") = "9"
    & skf18("8","2","10","4","8","5","1") = "9"
    & skf18("8","2","10","4","8","6","1") = "9"
    & skf18("8","2","10","4","8","7","1") = "9"
    & skf18("8","2","10","4","8","8","1") = "9"
    & skf18("8","2","10","4","8","9","1") = "9"
    & skf18("8","2","10","4","8","10","1") = "9"
    & skf18("8","2","10","4","9","1","1") = "9"
    & skf18("8","2","10","4","9","2","1") = "9"
    & skf18("8","2","10","4","9","3","1") = "9"
    & skf18("8","2","10","4","9","4","1") = "9"
    & skf18("8","2","10","4","9","5","1") = "9"
    & skf18("8","2","10","4","9","6","1") = "9"
    & skf18("8","2","10","4","9","7","1") = "9"
    & skf18("8","2","10","4","9","8","1") = "9"
    & skf18("8","2","10","4","9","9","1") = "9"
    & skf18("8","2","10","4","9","10","1") = "9"
    & skf18("8","2","10","4","10","1","1") = "9"
    & skf18("8","2","10","4","10","2","1") = "9"
    & skf18("8","2","10","4","10","3","1") = "9"
    & skf18("8","2","10","4","10","4","1") = "9"
    & skf18("8","2","10","4","10","5","1") = "9"
    & skf18("8","2","10","4","10","6","1") = "9"
    & skf18("8","2","10","4","10","7","1") = "9"
    & skf18("8","2","10","4","10","8","1") = "9"
    & skf18("8","2","10","4","10","9","1") = "9"
    & skf18("8","2","10","4","10","10","1") = "9"
    & skf18("8","2","10","5","1","1","1") = "9"
    & skf18("8","2","10","5","1","2","1") = "9"
    & skf18("8","2","10","5","1","3","1") = "9"
    & skf18("8","2","10","5","1","4","1") = "9"
    & skf18("8","2","10","5","1","5","1") = "9"
    & skf18("8","2","10","5","1","6","1") = "9"
    & skf18("8","2","10","5","1","7","1") = "9"
    & skf18("8","2","10","5","1","8","1") = "9"
    & skf18("8","2","10","5","1","9","1") = "9"
    & skf18("8","2","10","5","1","10","1") = "9"
    & skf18("8","2","10","5","2","1","1") = "9"
    & skf18("8","2","10","5","2","2","1") = "9"
    & skf18("8","2","10","5","2","3","1") = "9"
    & skf18("8","2","10","5","2","4","1") = "9"
    & skf18("8","2","10","5","2","5","1") = "9"
    & skf18("8","2","10","5","2","6","1") = "9"
    & skf18("8","2","10","5","2","7","1") = "9"
    & skf18("8","2","10","5","2","8","1") = "9"
    & skf18("8","2","10","5","2","9","1") = "9"
    & skf18("8","2","10","5","2","10","1") = "9"
    & skf18("8","2","10","5","3","1","1") = "9"
    & skf18("8","2","10","5","3","2","1") = "9"
    & skf18("8","2","10","5","3","3","1") = "9"
    & skf18("8","2","10","5","3","4","1") = "9"
    & skf18("8","2","10","5","3","5","1") = "9"
    & skf18("8","2","10","5","3","6","1") = "9"
    & skf18("8","2","10","5","3","7","1") = "9"
    & skf18("8","2","10","5","3","8","1") = "9"
    & skf18("8","2","10","5","3","9","1") = "9"
    & skf18("8","2","10","5","3","10","1") = "9"
    & skf18("8","2","10","5","4","1","1") = "9"
    & skf18("8","2","10","5","4","2","1") = "9"
    & skf18("8","2","10","5","4","3","1") = "9"
    & skf18("8","2","10","5","4","4","1") = "9"
    & skf18("8","2","10","5","4","5","1") = "9"
    & skf18("8","2","10","5","4","6","1") = "9"
    & skf18("8","2","10","5","4","7","1") = "9"
    & skf18("8","2","10","5","4","8","1") = "9"
    & skf18("8","2","10","5","4","9","1") = "9"
    & skf18("8","2","10","5","4","10","1") = "9"
    & skf18("8","2","10","5","5","1","1") = "9"
    & skf18("8","2","10","5","5","2","1") = "9"
    & skf18("8","2","10","5","5","3","1") = "9"
    & skf18("8","2","10","5","5","4","1") = "9"
    & skf18("8","2","10","5","5","5","1") = "9"
    & skf18("8","2","10","5","5","6","1") = "9"
    & skf18("8","2","10","5","5","7","1") = "9"
    & skf18("8","2","10","5","5","8","1") = "9"
    & skf18("8","2","10","5","5","9","1") = "9"
    & skf18("8","2","10","5","5","10","1") = "9"
    & skf18("8","2","10","5","6","1","1") = "9"
    & skf18("8","2","10","5","6","2","1") = "9"
    & skf18("8","2","10","5","6","3","1") = "9"
    & skf18("8","2","10","5","6","4","1") = "9"
    & skf18("8","2","10","5","6","5","1") = "9"
    & skf18("8","2","10","5","6","6","1") = "9"
    & skf18("8","2","10","5","6","7","1") = "9"
    & skf18("8","2","10","5","6","8","1") = "9"
    & skf18("8","2","10","5","6","9","1") = "9"
    & skf18("8","2","10","5","6","10","1") = "9"
    & skf18("8","2","10","5","7","1","1") = "9"
    & skf18("8","2","10","5","7","2","1") = "9"
    & skf18("8","2","10","5","7","3","1") = "9"
    & skf18("8","2","10","5","7","4","1") = "9"
    & skf18("8","2","10","5","7","5","1") = "9"
    & skf18("8","2","10","5","7","6","1") = "9"
    & skf18("8","2","10","5","7","7","1") = "9"
    & skf18("8","2","10","5","7","8","1") = "9"
    & skf18("8","2","10","5","7","9","1") = "9"
    & skf18("8","2","10","5","7","10","1") = "9"
    & skf18("8","2","10","5","8","1","1") = "9"
    & skf18("8","2","10","5","8","2","1") = "9"
    & skf18("8","2","10","5","8","3","1") = "9"
    & skf18("8","2","10","5","8","4","1") = "9"
    & skf18("8","2","10","5","8","5","1") = "9"
    & skf18("8","2","10","5","8","6","1") = "9"
    & skf18("8","2","10","5","8","7","1") = "9"
    & skf18("8","2","10","5","8","8","1") = "9"
    & skf18("8","2","10","5","8","9","1") = "9"
    & skf18("8","2","10","5","8","10","1") = "9"
    & skf18("8","2","10","5","9","1","1") = "9"
    & skf18("8","2","10","5","9","2","1") = "9"
    & skf18("8","2","10","5","9","3","1") = "9"
    & skf18("8","2","10","5","9","4","1") = "9"
    & skf18("8","2","10","5","9","5","1") = "9"
    & skf18("8","2","10","5","9","6","1") = "9"
    & skf18("8","2","10","5","9","7","1") = "9"
    & skf18("8","2","10","5","9","8","1") = "9"
    & skf18("8","2","10","5","9","9","1") = "9"
    & skf18("8","2","10","5","9","10","1") = "9"
    & skf18("8","2","10","5","10","1","1") = "9"
    & skf18("8","2","10","5","10","2","1") = "9"
    & skf18("8","2","10","5","10","3","1") = "9"
    & skf18("8","2","10","5","10","4","1") = "9"
    & skf18("8","2","10","5","10","5","1") = "9"
    & skf18("8","2","10","5","10","6","1") = "9"
    & skf18("8","2","10","5","10","7","1") = "9"
    & skf18("8","2","10","5","10","8","1") = "9"
    & skf18("8","2","10","5","10","9","1") = "9"
    & skf18("8","2","10","5","10","10","1") = "9"
    & skf18("8","2","10","6","1","1","1") = "9"
    & skf18("8","2","10","6","1","2","1") = "9"
    & skf18("8","2","10","6","1","3","1") = "9"
    & skf18("8","2","10","6","1","4","1") = "9"
    & skf18("8","2","10","6","1","5","1") = "9"
    & skf18("8","2","10","6","1","6","1") = "9"
    & skf18("8","2","10","6","1","7","1") = "9"
    & skf18("8","2","10","6","1","8","1") = "9"
    & skf18("8","2","10","6","1","9","1") = "9"
    & skf18("8","2","10","6","1","10","1") = "9"
    & skf18("8","2","10","6","2","1","1") = "9"
    & skf18("8","2","10","6","2","2","1") = "9"
    & skf18("8","2","10","6","2","3","1") = "9"
    & skf18("8","2","10","6","2","4","1") = "9"
    & skf18("8","2","10","6","2","5","1") = "9"
    & skf18("8","2","10","6","2","6","1") = "9"
    & skf18("8","2","10","6","2","7","1") = "9"
    & skf18("8","2","10","6","2","8","1") = "9"
    & skf18("8","2","10","6","2","9","1") = "9"
    & skf18("8","2","10","6","2","10","1") = "9"
    & skf18("8","2","10","6","3","1","1") = "9"
    & skf18("8","2","10","6","3","2","1") = "9"
    & skf18("8","2","10","6","3","3","1") = "9"
    & skf18("8","2","10","6","3","4","1") = "9"
    & skf18("8","2","10","6","3","5","1") = "9"
    & skf18("8","2","10","6","3","6","1") = "9"
    & skf18("8","2","10","6","3","7","1") = "9"
    & skf18("8","2","10","6","3","8","1") = "9"
    & skf18("8","2","10","6","3","9","1") = "9"
    & skf18("8","2","10","6","3","10","1") = "9"
    & skf18("8","2","10","6","4","1","1") = "9"
    & skf18("8","2","10","6","4","2","1") = "9"
    & skf18("8","2","10","6","4","3","1") = "9"
    & skf18("8","2","10","6","4","4","1") = "9"
    & skf18("8","2","10","6","4","5","1") = "9"
    & skf18("8","2","10","6","4","6","1") = "9"
    & skf18("8","2","10","6","4","7","1") = "9"
    & skf18("8","2","10","6","4","8","1") = "9"
    & skf18("8","2","10","6","4","9","1") = "9"
    & skf18("8","2","10","6","4","10","1") = "9"
    & skf18("8","2","10","6","5","1","1") = "9"
    & skf18("8","2","10","6","5","2","1") = "9"
    & skf18("8","2","10","6","5","3","1") = "9"
    & skf18("8","2","10","6","5","4","1") = "9"
    & skf18("8","2","10","6","5","5","1") = "9"
    & skf18("8","2","10","6","5","6","1") = "9"
    & skf18("8","2","10","6","5","7","1") = "9"
    & skf18("8","2","10","6","5","8","1") = "9"
    & skf18("8","2","10","6","5","9","1") = "9"
    & skf18("8","2","10","6","5","10","1") = "9"
    & skf18("8","2","10","6","6","1","1") = "9"
    & skf18("8","2","10","6","6","2","1") = "9"
    & skf18("8","2","10","6","6","3","1") = "9"
    & skf18("8","2","10","6","6","4","1") = "9"
    & skf18("8","2","10","6","6","5","1") = "9"
    & skf18("8","2","10","6","6","6","1") = "9"
    & skf18("8","2","10","6","6","7","1") = "9"
    & skf18("8","2","10","6","6","8","1") = "9"
    & skf18("8","2","10","6","6","9","1") = "9"
    & skf18("8","2","10","6","6","10","1") = "9"
    & skf18("8","2","10","6","7","1","1") = "9"
    & skf18("8","2","10","6","7","2","1") = "9"
    & skf18("8","2","10","6","7","3","1") = "9"
    & skf18("8","2","10","6","7","4","1") = "9"
    & skf18("8","2","10","6","7","5","1") = "9"
    & skf18("8","2","10","6","7","6","1") = "9"
    & skf18("8","2","10","6","7","7","1") = "9"
    & skf18("8","2","10","6","7","8","1") = "9"
    & skf18("8","2","10","6","7","9","1") = "9"
    & skf18("8","2","10","6","7","10","1") = "9"
    & skf18("8","2","10","6","8","1","1") = "9"
    & skf18("8","2","10","6","8","2","1") = "9"
    & skf18("8","2","10","6","8","3","1") = "9"
    & skf18("8","2","10","6","8","4","1") = "9"
    & skf18("8","2","10","6","8","5","1") = "9"
    & skf18("8","2","10","6","8","6","1") = "9"
    & skf18("8","2","10","6","8","7","1") = "9"
    & skf18("8","2","10","6","8","8","1") = "9"
    & skf18("8","2","10","6","8","9","1") = "9"
    & skf18("8","2","10","6","8","10","1") = "9"
    & skf18("8","2","10","6","9","1","1") = "9"
    & skf18("8","2","10","6","9","2","1") = "9"
    & skf18("8","2","10","6","9","3","1") = "9"
    & skf18("8","2","10","6","9","4","1") = "9"
    & skf18("8","2","10","6","9","5","1") = "9"
    & skf18("8","2","10","6","9","6","1") = "9"
    & skf18("8","2","10","6","9","7","1") = "9"
    & skf18("8","2","10","6","9","8","1") = "9"
    & skf18("8","2","10","6","9","9","1") = "9"
    & skf18("8","2","10","6","9","10","1") = "9"
    & skf18("8","2","10","6","10","1","1") = "9"
    & skf18("8","2","10","6","10","2","1") = "9"
    & skf18("8","2","10","6","10","3","1") = "9"
    & skf18("8","2","10","6","10","4","1") = "9"
    & skf18("8","2","10","6","10","5","1") = "9"
    & skf18("8","2","10","6","10","6","1") = "9"
    & skf18("8","2","10","6","10","7","1") = "9"
    & skf18("8","2","10","6","10","8","1") = "9"
    & skf18("8","2","10","6","10","9","1") = "9"
    & skf18("8","2","10","6","10","10","1") = "9"
    & skf18("8","2","10","7","1","1","1") = "9"
    & skf18("8","2","10","7","1","2","1") = "9"
    & skf18("8","2","10","7","1","3","1") = "9"
    & skf18("8","2","10","7","1","4","1") = "9"
    & skf18("8","2","10","7","1","5","1") = "9"
    & skf18("8","2","10","7","1","6","1") = "9"
    & skf18("8","2","10","7","1","7","1") = "9"
    & skf18("8","2","10","7","1","8","1") = "9"
    & skf18("8","2","10","7","1","9","1") = "9"
    & skf18("8","2","10","7","1","10","1") = "9"
    & skf18("8","2","10","7","2","1","1") = "9"
    & skf18("8","2","10","7","2","2","1") = "9"
    & skf18("8","2","10","7","2","3","1") = "9"
    & skf18("8","2","10","7","2","4","1") = "9"
    & skf18("8","2","10","7","2","5","1") = "9"
    & skf18("8","2","10","7","2","6","1") = "9"
    & skf18("8","2","10","7","2","7","1") = "9"
    & skf18("8","2","10","7","2","8","1") = "9"
    & skf18("8","2","10","7","2","9","1") = "9"
    & skf18("8","2","10","7","2","10","1") = "9"
    & skf18("8","2","10","7","3","1","1") = "9"
    & skf18("8","2","10","7","3","2","1") = "9"
    & skf18("8","2","10","7","3","3","1") = "9"
    & skf18("8","2","10","7","3","4","1") = "9"
    & skf18("8","2","10","7","3","5","1") = "9"
    & skf18("8","2","10","7","3","6","1") = "9"
    & skf18("8","2","10","7","3","7","1") = "9"
    & skf18("8","2","10","7","3","8","1") = "9"
    & skf18("8","2","10","7","3","9","1") = "9"
    & skf18("8","2","10","7","3","10","1") = "9"
    & skf18("8","2","10","7","4","1","1") = "9"
    & skf18("8","2","10","7","4","2","1") = "9"
    & skf18("8","2","10","7","4","3","1") = "9"
    & skf18("8","2","10","7","4","4","1") = "9"
    & skf18("8","2","10","7","4","5","1") = "9"
    & skf18("8","2","10","7","4","6","1") = "9"
    & skf18("8","2","10","7","4","7","1") = "9"
    & skf18("8","2","10","7","4","8","1") = "9"
    & skf18("8","2","10","7","4","9","1") = "9"
    & skf18("8","2","10","7","4","10","1") = "9"
    & skf18("8","2","10","7","5","1","1") = "9"
    & skf18("8","2","10","7","5","2","1") = "9"
    & skf18("8","2","10","7","5","3","1") = "9"
    & skf18("8","2","10","7","5","4","1") = "9"
    & skf18("8","2","10","7","5","5","1") = "9"
    & skf18("8","2","10","7","5","6","1") = "9"
    & skf18("8","2","10","7","5","7","1") = "9"
    & skf18("8","2","10","7","5","8","1") = "9"
    & skf18("8","2","10","7","5","9","1") = "9"
    & skf18("8","2","10","7","5","10","1") = "9"
    & skf18("8","2","10","7","6","1","1") = "9"
    & skf18("8","2","10","7","6","2","1") = "9"
    & skf18("8","2","10","7","6","3","1") = "9"
    & skf18("8","2","10","7","6","4","1") = "9"
    & skf18("8","2","10","7","6","5","1") = "9"
    & skf18("8","2","10","7","6","6","1") = "9"
    & skf18("8","2","10","7","6","7","1") = "9"
    & skf18("8","2","10","7","6","8","1") = "9"
    & skf18("8","2","10","7","6","9","1") = "9"
    & skf18("8","2","10","7","6","10","1") = "9"
    & skf18("8","2","10","7","7","1","1") = "9"
    & skf18("8","2","10","7","7","2","1") = "9"
    & skf18("8","2","10","7","7","3","1") = "9"
    & skf18("8","2","10","7","7","4","1") = "9"
    & skf18("8","2","10","7","7","5","1") = "9"
    & skf18("8","2","10","7","7","6","1") = "9"
    & skf18("8","2","10","7","7","7","1") = "9"
    & skf18("8","2","10","7","7","8","1") = "9"
    & skf18("8","2","10","7","7","9","1") = "9"
    & skf18("8","2","10","7","7","10","1") = "9"
    & skf18("8","2","10","7","8","1","1") = "9"
    & skf18("8","2","10","7","8","2","1") = "9"
    & skf18("8","2","10","7","8","3","1") = "9"
    & skf18("8","2","10","7","8","4","1") = "9"
    & skf18("8","2","10","7","8","5","1") = "9"
    & skf18("8","2","10","7","8","6","1") = "9"
    & skf18("8","2","10","7","8","7","1") = "9"
    & skf18("8","2","10","7","8","8","1") = "9"
    & skf18("8","2","10","7","8","9","1") = "9"
    & skf18("8","2","10","7","8","10","1") = "9"
    & skf18("8","2","10","7","9","1","1") = "9"
    & skf18("8","2","10","7","9","2","1") = "9"
    & skf18("8","2","10","7","9","3","1") = "9"
    & skf18("8","2","10","7","9","4","1") = "9"
    & skf18("8","2","10","7","9","5","1") = "9"
    & skf18("8","2","10","7","9","6","1") = "9"
    & skf18("8","2","10","7","9","7","1") = "9"
    & skf18("8","2","10","7","9","8","1") = "9"
    & skf18("8","2","10","7","9","9","1") = "9"
    & skf18("8","2","10","7","9","10","1") = "9"
    & skf18("8","2","10","7","10","1","1") = "9"
    & skf18("8","2","10","7","10","2","1") = "9"
    & skf18("8","2","10","7","10","3","1") = "9"
    & skf18("8","2","10","7","10","4","1") = "9"
    & skf18("8","2","10","7","10","5","1") = "9"
    & skf18("8","2","10","7","10","6","1") = "9"
    & skf18("8","2","10","7","10","7","1") = "9"
    & skf18("8","2","10","7","10","8","1") = "9"
    & skf18("8","2","10","7","10","9","1") = "9"
    & skf18("8","2","10","7","10","10","1") = "9"
    & skf18("8","2","10","8","1","1","1") = "9"
    & skf18("8","2","10","8","1","2","1") = "9"
    & skf18("8","2","10","8","1","3","1") = "9"
    & skf18("8","2","10","8","1","4","1") = "9"
    & skf18("8","2","10","8","1","5","1") = "9"
    & skf18("8","2","10","8","1","6","1") = "9"
    & skf18("8","2","10","8","1","7","1") = "9"
    & skf18("8","2","10","8","1","8","1") = "9"
    & skf18("8","2","10","8","1","9","1") = "9"
    & skf18("8","2","10","8","1","10","1") = "9"
    & skf18("8","2","10","8","2","1","1") = "9"
    & skf18("8","2","10","8","2","2","1") = "9"
    & skf18("8","2","10","8","2","3","1") = "9"
    & skf18("8","2","10","8","2","4","1") = "9"
    & skf18("8","2","10","8","2","5","1") = "9"
    & skf18("8","2","10","8","2","6","1") = "9"
    & skf18("8","2","10","8","2","7","1") = "9"
    & skf18("8","2","10","8","2","8","1") = "9"
    & skf18("8","2","10","8","2","9","1") = "9"
    & skf18("8","2","10","8","2","10","1") = "9"
    & skf18("8","2","10","8","3","1","1") = "9"
    & skf18("8","2","10","8","3","2","1") = "9"
    & skf18("8","2","10","8","3","3","1") = "9"
    & skf18("8","2","10","8","3","4","1") = "9"
    & skf18("8","2","10","8","3","5","1") = "9"
    & skf18("8","2","10","8","3","6","1") = "9"
    & skf18("8","2","10","8","3","7","1") = "9"
    & skf18("8","2","10","8","3","8","1") = "9"
    & skf18("8","2","10","8","3","9","1") = "9"
    & skf18("8","2","10","8","3","10","1") = "9"
    & skf18("8","2","10","8","4","1","1") = "9"
    & skf18("8","2","10","8","4","2","1") = "9"
    & skf18("8","2","10","8","4","3","1") = "9"
    & skf18("8","2","10","8","4","4","1") = "9"
    & skf18("8","2","10","8","4","5","1") = "9"
    & skf18("8","2","10","8","4","6","1") = "9"
    & skf18("8","2","10","8","4","7","1") = "9"
    & skf18("8","2","10","8","4","8","1") = "9"
    & skf18("8","2","10","8","4","9","1") = "9"
    & skf18("8","2","10","8","4","10","1") = "9"
    & skf18("8","2","10","8","5","1","1") = "9"
    & skf18("8","2","10","8","5","2","1") = "9"
    & skf18("8","2","10","8","5","3","1") = "9"
    & skf18("8","2","10","8","5","4","1") = "9"
    & skf18("8","2","10","8","5","5","1") = "9"
    & skf18("8","2","10","8","5","6","1") = "9"
    & skf18("8","2","10","8","5","7","1") = "9"
    & skf18("8","2","10","8","5","8","1") = "9"
    & skf18("8","2","10","8","5","9","1") = "9"
    & skf18("8","2","10","8","5","10","1") = "9"
    & skf18("8","2","10","8","6","1","1") = "9"
    & skf18("8","2","10","8","6","2","1") = "9"
    & skf18("8","2","10","8","6","3","1") = "9"
    & skf18("8","2","10","8","6","4","1") = "9"
    & skf18("8","2","10","8","6","5","1") = "9"
    & skf18("8","2","10","8","6","6","1") = "9"
    & skf18("8","2","10","8","6","7","1") = "9"
    & skf18("8","2","10","8","6","8","1") = "9"
    & skf18("8","2","10","8","6","9","1") = "9"
    & skf18("8","2","10","8","6","10","1") = "9"
    & skf18("8","2","10","8","7","1","1") = "9"
    & skf18("8","2","10","8","7","2","1") = "9"
    & skf18("8","2","10","8","7","3","1") = "9"
    & skf18("8","2","10","8","7","4","1") = "9"
    & skf18("8","2","10","8","7","5","1") = "9"
    & skf18("8","2","10","8","7","6","1") = "9"
    & skf18("8","2","10","8","7","7","1") = "9"
    & skf18("8","2","10","8","7","8","1") = "9"
    & skf18("8","2","10","8","7","9","1") = "9"
    & skf18("8","2","10","8","7","10","1") = "9"
    & skf18("8","2","10","8","8","1","1") = "9"
    & skf18("8","2","10","8","8","2","1") = "9"
    & skf18("8","2","10","8","8","3","1") = "9"
    & skf18("8","2","10","8","8","4","1") = "9"
    & skf18("8","2","10","8","8","5","1") = "9"
    & skf18("8","2","10","8","8","6","1") = "9"
    & skf18("8","2","10","8","8","7","1") = "9"
    & skf18("8","2","10","8","8","8","1") = "9"
    & skf18("8","2","10","8","8","9","1") = "9"
    & skf18("8","2","10","8","8","10","1") = "9"
    & skf18("8","2","10","8","9","1","1") = "9"
    & skf18("8","2","10","8","9","2","1") = "9"
    & skf18("8","2","10","8","9","3","1") = "9"
    & skf18("8","2","10","8","9","4","1") = "9"
    & skf18("8","2","10","8","9","5","1") = "9"
    & skf18("8","2","10","8","9","6","1") = "9"
    & skf18("8","2","10","8","9","7","1") = "9"
    & skf18("8","2","10","8","9","8","1") = "9"
    & skf18("8","2","10","8","9","9","1") = "9"
    & skf18("8","2","10","8","9","10","1") = "9"
    & skf18("8","2","10","8","10","1","1") = "9"
    & skf18("8","2","10","8","10","2","1") = "9"
    & skf18("8","2","10","8","10","3","1") = "9"
    & skf18("8","2","10","8","10","4","1") = "9"
    & skf18("8","2","10","8","10","5","1") = "9"
    & skf18("8","2","10","8","10","6","1") = "9"
    & skf18("8","2","10","8","10","7","1") = "9"
    & skf18("8","2","10","8","10","8","1") = "9"
    & skf18("8","2","10","8","10","9","1") = "9"
    & skf18("8","2","10","8","10","10","1") = "9"
    & skf18("8","2","10","9","1","1","1") = "9"
    & skf18("8","2","10","9","1","2","1") = "9"
    & skf18("8","2","10","9","1","3","1") = "9"
    & skf18("8","2","10","9","1","4","1") = "9"
    & skf18("8","2","10","9","1","5","1") = "9"
    & skf18("8","2","10","9","1","6","1") = "9"
    & skf18("8","2","10","9","1","7","1") = "9"
    & skf18("8","2","10","9","1","8","1") = "9"
    & skf18("8","2","10","9","1","9","1") = "9"
    & skf18("8","2","10","9","1","10","1") = "9"
    & skf18("8","2","10","9","2","1","1") = "9"
    & skf18("8","2","10","9","2","2","1") = "9"
    & skf18("8","2","10","9","2","3","1") = "9"
    & skf18("8","2","10","9","2","4","1") = "9"
    & skf18("8","2","10","9","2","5","1") = "9"
    & skf18("8","2","10","9","2","6","1") = "9"
    & skf18("8","2","10","9","2","7","1") = "9"
    & skf18("8","2","10","9","2","8","1") = "9"
    & skf18("8","2","10","9","2","9","1") = "9"
    & skf18("8","2","10","9","2","10","1") = "9"
    & skf18("8","2","10","9","3","1","1") = "9"
    & skf18("8","2","10","9","3","2","1") = "9"
    & skf18("8","2","10","9","3","3","1") = "9"
    & skf18("8","2","10","9","3","4","1") = "9"
    & skf18("8","2","10","9","3","5","1") = "9"
    & skf18("8","2","10","9","3","6","1") = "9"
    & skf18("8","2","10","9","3","7","1") = "9"
    & skf18("8","2","10","9","3","8","1") = "9"
    & skf18("8","2","10","9","3","9","1") = "9"
    & skf18("8","2","10","9","3","10","1") = "9"
    & skf18("8","2","10","9","4","1","1") = "9"
    & skf18("8","2","10","9","4","2","1") = "9"
    & skf18("8","2","10","9","4","3","1") = "9"
    & skf18("8","2","10","9","4","4","1") = "9"
    & skf18("8","2","10","9","4","5","1") = "9"
    & skf18("8","2","10","9","4","6","1") = "9"
    & skf18("8","2","10","9","4","7","1") = "9"
    & skf18("8","2","10","9","4","8","1") = "9"
    & skf18("8","2","10","9","4","9","1") = "9"
    & skf18("8","2","10","9","4","10","1") = "9"
    & skf18("8","2","10","9","5","1","1") = "9"
    & skf18("8","2","10","9","5","2","1") = "9"
    & skf18("8","2","10","9","5","3","1") = "9"
    & skf18("8","2","10","9","5","4","1") = "9"
    & skf18("8","2","10","9","5","5","1") = "9"
    & skf18("8","2","10","9","5","6","1") = "9"
    & skf18("8","2","10","9","5","7","1") = "9"
    & skf18("8","2","10","9","5","8","1") = "9"
    & skf18("8","2","10","9","5","9","1") = "9"
    & skf18("8","2","10","9","5","10","1") = "9"
    & skf18("8","2","10","9","6","1","1") = "9"
    & skf18("8","2","10","9","6","2","1") = "9"
    & skf18("8","2","10","9","6","3","1") = "9"
    & skf18("8","2","10","9","6","4","1") = "9"
    & skf18("8","2","10","9","6","5","1") = "9"
    & skf18("8","2","10","9","6","6","1") = "9"
    & skf18("8","2","10","9","6","7","1") = "9"
    & skf18("8","2","10","9","6","8","1") = "9"
    & skf18("8","2","10","9","6","9","1") = "9"
    & skf18("8","2","10","9","6","10","1") = "9"
    & skf18("8","2","10","9","7","1","1") = "9"
    & skf18("8","2","10","9","7","2","1") = "9"
    & skf18("8","2","10","9","7","3","1") = "9"
    & skf18("8","2","10","9","7","4","1") = "9"
    & skf18("8","2","10","9","7","5","1") = "9"
    & skf18("8","2","10","9","7","6","1") = "9"
    & skf18("8","2","10","9","7","7","1") = "9"
    & skf18("8","2","10","9","7","8","1") = "9"
    & skf18("8","2","10","9","7","9","1") = "9"
    & skf18("8","2","10","9","7","10","1") = "9"
    & skf18("8","2","10","9","8","1","1") = "9"
    & skf18("8","2","10","9","8","2","1") = "9"
    & skf18("8","2","10","9","8","3","1") = "9"
    & skf18("8","2","10","9","8","4","1") = "9"
    & skf18("8","2","10","9","8","5","1") = "9"
    & skf18("8","2","10","9","8","6","1") = "9"
    & skf18("8","2","10","9","8","7","1") = "9"
    & skf18("8","2","10","9","8","8","1") = "9"
    & skf18("8","2","10","9","8","9","1") = "9"
    & skf18("8","2","10","9","8","10","1") = "9"
    & skf18("8","2","10","9","9","1","1") = "9"
    & skf18("8","2","10","9","9","2","1") = "9"
    & skf18("8","2","10","9","9","3","1") = "9"
    & skf18("8","2","10","9","9","4","1") = "9"
    & skf18("8","2","10","9","9","5","1") = "9"
    & skf18("8","2","10","9","9","6","1") = "9"
    & skf18("8","2","10","9","9","7","1") = "9"
    & skf18("8","2","10","9","9","8","1") = "9"
    & skf18("8","2","10","9","9","9","1") = "9"
    & skf18("8","2","10","9","9","10","1") = "9"
    & skf18("8","2","10","9","10","1","1") = "9"
    & skf18("8","2","10","9","10","2","1") = "9"
    & skf18("8","2","10","9","10","3","1") = "9"
    & skf18("8","2","10","9","10","4","1") = "9"
    & skf18("8","2","10","9","10","5","1") = "9"
    & skf18("8","2","10","9","10","6","1") = "9"
    & skf18("8","2","10","9","10","7","1") = "9"
    & skf18("8","2","10","9","10","8","1") = "9"
    & skf18("8","2","10","9","10","9","1") = "9"
    & skf18("8","2","10","9","10","10","1") = "9"
    & skf18("8","2","10","10","1","1","1") = "9"
    & skf18("8","2","10","10","1","2","1") = "9"
    & skf18("8","2","10","10","1","3","1") = "9"
    & skf18("8","2","10","10","1","4","1") = "9"
    & skf18("8","2","10","10","1","5","1") = "9"
    & skf18("8","2","10","10","1","6","1") = "9"
    & skf18("8","2","10","10","1","7","1") = "9"
    & skf18("8","2","10","10","1","8","1") = "9"
    & skf18("8","2","10","10","1","9","1") = "9"
    & skf18("8","2","10","10","1","10","1") = "9"
    & skf18("8","2","10","10","2","1","1") = "9"
    & skf18("8","2","10","10","2","2","1") = "9"
    & skf18("8","2","10","10","2","3","1") = "9"
    & skf18("8","2","10","10","2","4","1") = "9"
    & skf18("8","2","10","10","2","5","1") = "9"
    & skf18("8","2","10","10","2","6","1") = "9"
    & skf18("8","2","10","10","2","7","1") = "9"
    & skf18("8","2","10","10","2","8","1") = "9"
    & skf18("8","2","10","10","2","9","1") = "9"
    & skf18("8","2","10","10","2","10","1") = "9"
    & skf18("8","2","10","10","3","1","1") = "9"
    & skf18("8","2","10","10","3","2","1") = "9"
    & skf18("8","2","10","10","3","3","1") = "9"
    & skf18("8","2","10","10","3","4","1") = "9"
    & skf18("8","2","10","10","3","5","1") = "9"
    & skf18("8","2","10","10","3","6","1") = "9"
    & skf18("8","2","10","10","3","7","1") = "9"
    & skf18("8","2","10","10","3","8","1") = "9"
    & skf18("8","2","10","10","3","9","1") = "9"
    & skf18("8","2","10","10","3","10","1") = "9"
    & skf18("8","2","10","10","4","1","1") = "9"
    & skf18("8","2","10","10","4","2","1") = "9"
    & skf18("8","2","10","10","4","3","1") = "9"
    & skf18("8","2","10","10","4","4","1") = "9"
    & skf18("8","2","10","10","4","5","1") = "9"
    & skf18("8","2","10","10","4","6","1") = "9"
    & skf18("8","2","10","10","4","7","1") = "9"
    & skf18("8","2","10","10","4","8","1") = "9"
    & skf18("8","2","10","10","4","9","1") = "9"
    & skf18("8","2","10","10","4","10","1") = "9"
    & skf18("8","2","10","10","5","1","1") = "9"
    & skf18("8","2","10","10","5","2","1") = "9"
    & skf18("8","2","10","10","5","3","1") = "9"
    & skf18("8","2","10","10","5","4","1") = "9"
    & skf18("8","2","10","10","5","5","1") = "9"
    & skf18("8","2","10","10","5","6","1") = "9"
    & skf18("8","2","10","10","5","7","1") = "9"
    & skf18("8","2","10","10","5","8","1") = "9"
    & skf18("8","2","10","10","5","9","1") = "9"
    & skf18("8","2","10","10","5","10","1") = "9"
    & skf18("8","2","10","10","6","1","1") = "9"
    & skf18("8","2","10","10","6","2","1") = "9"
    & skf18("8","2","10","10","6","3","1") = "9"
    & skf18("8","2","10","10","6","4","1") = "9"
    & skf18("8","2","10","10","6","5","1") = "9"
    & skf18("8","2","10","10","6","6","1") = "9"
    & skf18("8","2","10","10","6","7","1") = "9"
    & skf18("8","2","10","10","6","8","1") = "9"
    & skf18("8","2","10","10","6","9","1") = "9"
    & skf18("8","2","10","10","6","10","1") = "9"
    & skf18("8","2","10","10","7","1","1") = "9"
    & skf18("8","2","10","10","7","2","1") = "9"
    & skf18("8","2","10","10","7","3","1") = "9"
    & skf18("8","2","10","10","7","4","1") = "9"
    & skf18("8","2","10","10","7","5","1") = "9"
    & skf18("8","2","10","10","7","6","1") = "9"
    & skf18("8","2","10","10","7","7","1") = "9"
    & skf18("8","2","10","10","7","8","1") = "9"
    & skf18("8","2","10","10","7","9","1") = "9"
    & skf18("8","2","10","10","7","10","1") = "9"
    & skf18("8","2","10","10","8","1","1") = "9"
    & skf18("8","2","10","10","8","2","1") = "9"
    & skf18("8","2","10","10","8","3","1") = "9"
    & skf18("8","2","10","10","8","4","1") = "9"
    & skf18("8","2","10","10","8","5","1") = "9"
    & skf18("8","2","10","10","8","6","1") = "9"
    & skf18("8","2","10","10","8","7","1") = "9"
    & skf18("8","2","10","10","8","8","1") = "9"
    & skf18("8","2","10","10","8","9","1") = "9"
    & skf18("8","2","10","10","8","10","1") = "9"
    & skf18("8","2","10","10","9","1","1") = "9"
    & skf18("8","2","10","10","9","2","1") = "9"
    & skf18("8","2","10","10","9","3","1") = "9"
    & skf18("8","2","10","10","9","4","1") = "9"
    & skf18("8","2","10","10","9","5","1") = "9"
    & skf18("8","2","10","10","9","6","1") = "9"
    & skf18("8","2","10","10","9","7","1") = "9"
    & skf18("8","2","10","10","9","8","1") = "9"
    & skf18("8","2","10","10","9","9","1") = "9"
    & skf18("8","2","10","10","9","10","1") = "9"
    & skf18("8","2","10","10","10","1","1") = "9"
    & skf18("8","2","10","10","10","2","1") = "9"
    & skf18("8","2","10","10","10","3","1") = "9"
    & skf18("8","2","10","10","10","4","1") = "9"
    & skf18("8","2","10","10","10","5","1") = "9"
    & skf18("8","2","10","10","10","6","1") = "9"
    & skf18("8","2","10","10","10","7","1") = "9"
    & skf18("8","2","10","10","10","8","1") = "9"
    & skf18("8","2","10","10","10","9","1") = "9"
    & skf18("8","2","10","10","10","10","1") = "9"
    & skf18("8","3","1","1","1","1","1") = "7"
    & skf18("8","3","1","1","1","2","1") = "7"
    & skf18("8","3","1","1","1","3","1") = "7"
    & skf18("8","3","1","1","1","4","1") = "7"
    & skf18("8","3","1","1","1","5","1") = "7"
    & skf18("8","3","1","1","1","6","1") = "7"
    & skf18("8","3","1","1","1","7","1") = "7"
    & skf18("8","3","1","1","1","8","1") = "7"
    & skf18("8","3","1","1","1","9","1") = "8"
    & skf18("8","3","1","1","1","10","1") = "9"
    & skf18("8","3","1","1","2","1","1") = "7"
    & skf18("8","3","1","1","2","2","1") = "7"
    & skf18("8","3","1","1","2","3","1") = "7"
    & skf18("8","3","1","1","2","4","1") = "7"
    & skf18("8","3","1","1","2","5","1") = "7"
    & skf18("8","3","1","1","2","6","1") = "7"
    & skf18("8","3","1","1","2","7","1") = "7"
    & skf18("8","3","1","1","2","8","1") = "7"
    & skf18("8","3","1","1","2","9","1") = "8"
    & skf18("8","3","1","1","2","10","1") = "9"
    & skf18("8","3","1","1","3","1","1") = "7"
    & skf18("8","3","1","1","3","2","1") = "7"
    & skf18("8","3","1","1","3","3","1") = "7"
    & skf18("8","3","1","1","3","4","1") = "7"
    & skf18("8","3","1","1","3","5","1") = "7"
    & skf18("8","3","1","1","3","6","1") = "7"
    & skf18("8","3","1","1","3","7","1") = "7"
    & skf18("8","3","1","1","3","8","1") = "7"
    & skf18("8","3","1","1","3","9","1") = "8"
    & skf18("8","3","1","1","3","10","1") = "9"
    & skf18("8","3","1","1","4","1","1") = "7"
    & skf18("8","3","1","1","4","2","1") = "7"
    & skf18("8","3","1","1","4","3","1") = "7"
    & skf18("8","3","1","1","4","4","1") = "7"
    & skf18("8","3","1","1","4","5","1") = "7"
    & skf18("8","3","1","1","4","6","1") = "7"
    & skf18("8","3","1","1","4","7","1") = "7"
    & skf18("8","3","1","1","4","8","1") = "7"
    & skf18("8","3","1","1","4","9","1") = "8"
    & skf18("8","3","1","1","4","10","1") = "9"
    & skf18("8","3","1","1","5","1","1") = "7"
    & skf18("8","3","1","1","5","2","1") = "7"
    & skf18("8","3","1","1","5","3","1") = "7"
    & skf18("8","3","1","1","5","4","1") = "7"
    & skf18("8","3","1","1","5","5","1") = "7"
    & skf18("8","3","1","1","5","6","1") = "7"
    & skf18("8","3","1","1","5","7","1") = "7"
    & skf18("8","3","1","1","5","8","1") = "7"
    & skf18("8","3","1","1","5","9","1") = "8"
    & skf18("8","3","1","1","5","10","1") = "9"
    & skf18("8","3","1","1","6","1","1") = "7"
    & skf18("8","3","1","1","6","2","1") = "7"
    & skf18("8","3","1","1","6","3","1") = "7"
    & skf18("8","3","1","1","6","4","1") = "7"
    & skf18("8","3","1","1","6","5","1") = "7"
    & skf18("8","3","1","1","6","6","1") = "7"
    & skf18("8","3","1","1","6","7","1") = "7"
    & skf18("8","3","1","1","6","8","1") = "7"
    & skf18("8","3","1","1","6","9","1") = "8"
    & skf18("8","3","1","1","6","10","1") = "9"
    & skf18("8","3","1","1","7","1","1") = "7"
    & skf18("8","3","1","1","7","2","1") = "7"
    & skf18("8","3","1","1","7","3","1") = "7"
    & skf18("8","3","1","1","7","4","1") = "7"
    & skf18("8","3","1","1","7","5","1") = "7"
    & skf18("8","3","1","1","7","6","1") = "7"
    & skf18("8","3","1","1","7","7","1") = "7"
    & skf18("8","3","1","1","7","8","1") = "7"
    & skf18("8","3","1","1","7","9","1") = "8"
    & skf18("8","3","1","1","7","10","1") = "9"
    & skf18("8","3","1","1","8","1","1") = "7"
    & skf18("8","3","1","1","8","2","1") = "7"
    & skf18("8","3","1","1","8","3","1") = "7"
    & skf18("8","3","1","1","8","4","1") = "7"
    & skf18("8","3","1","1","8","5","1") = "7"
    & skf18("8","3","1","1","8","6","1") = "7"
    & skf18("8","3","1","1","8","7","1") = "7"
    & skf18("8","3","1","1","8","8","1") = "7"
    & skf18("8","3","1","1","8","9","1") = "8"
    & skf18("8","3","1","1","8","10","1") = "9"
    & skf18("8","3","1","1","9","1","1") = "8"
    & skf18("8","3","1","1","9","2","1") = "8"
    & skf18("8","3","1","1","9","3","1") = "8"
    & skf18("8","3","1","1","9","4","1") = "8"
    & skf18("8","3","1","1","9","5","1") = "8"
    & skf18("8","3","1","1","9","6","1") = "8"
    & skf18("8","3","1","1","9","7","1") = "8"
    & skf18("8","3","1","1","9","8","1") = "8"
    & skf18("8","3","1","1","9","9","1") = "8"
    & skf18("8","3","1","1","9","10","1") = "9"
    & skf18("8","3","1","1","10","1","1") = "9"
    & skf18("8","3","1","1","10","2","1") = "9"
    & skf18("8","3","1","1","10","3","1") = "9"
    & skf18("8","3","1","1","10","4","1") = "9"
    & skf18("8","3","1","1","10","5","1") = "9"
    & skf18("8","3","1","1","10","6","1") = "9"
    & skf18("8","3","1","1","10","7","1") = "9"
    & skf18("8","3","1","1","10","8","1") = "9"
    & skf18("8","3","1","1","10","9","1") = "9"
    & skf18("8","3","1","1","10","10","1") = "9"
    & skf18("8","3","1","2","1","1","1") = "7"
    & skf18("8","3","1","2","1","2","1") = "7"
    & skf18("8","3","1","2","1","3","1") = "7"
    & skf18("8","3","1","2","1","4","1") = "7"
    & skf18("8","3","1","2","1","5","1") = "7"
    & skf18("8","3","1","2","1","6","1") = "7"
    & skf18("8","3","1","2","1","7","1") = "7"
    & skf18("8","3","1","2","1","8","1") = "7"
    & skf18("8","3","1","2","1","9","1") = "8"
    & skf18("8","3","1","2","1","10","1") = "9"
    & skf18("8","3","1","2","2","1","1") = "7"
    & skf18("8","3","1","2","2","2","1") = "7"
    & skf18("8","3","1","2","2","3","1") = "7"
    & skf18("8","3","1","2","2","4","1") = "7"
    & skf18("8","3","1","2","2","5","1") = "7"
    & skf18("8","3","1","2","2","6","1") = "7"
    & skf18("8","3","1","2","2","7","1") = "7"
    & skf18("8","3","1","2","2","8","1") = "7"
    & skf18("8","3","1","2","2","9","1") = "8"
    & skf18("8","3","1","2","2","10","1") = "9"
    & skf18("8","3","1","2","3","1","1") = "7"
    & skf18("8","3","1","2","3","2","1") = "7"
    & skf18("8","3","1","2","3","3","1") = "7"
    & skf18("8","3","1","2","3","4","1") = "7"
    & skf18("8","3","1","2","3","5","1") = "7"
    & skf18("8","3","1","2","3","6","1") = "7"
    & skf18("8","3","1","2","3","7","1") = "7"
    & skf18("8","3","1","2","3","8","1") = "7"
    & skf18("8","3","1","2","3","9","1") = "8"
    & skf18("8","3","1","2","3","10","1") = "9"
    & skf18("8","3","1","2","4","1","1") = "7"
    & skf18("8","3","1","2","4","2","1") = "7"
    & skf18("8","3","1","2","4","3","1") = "7"
    & skf18("8","3","1","2","4","4","1") = "7"
    & skf18("8","3","1","2","4","5","1") = "7"
    & skf18("8","3","1","2","4","6","1") = "7"
    & skf18("8","3","1","2","4","7","1") = "7"
    & skf18("8","3","1","2","4","8","1") = "7"
    & skf18("8","3","1","2","4","9","1") = "8"
    & skf18("8","3","1","2","4","10","1") = "9"
    & skf18("8","3","1","2","5","1","1") = "7"
    & skf18("8","3","1","2","5","2","1") = "7"
    & skf18("8","3","1","2","5","3","1") = "7"
    & skf18("8","3","1","2","5","4","1") = "7"
    & skf18("8","3","1","2","5","5","1") = "7"
    & skf18("8","3","1","2","5","6","1") = "7"
    & skf18("8","3","1","2","5","7","1") = "7"
    & skf18("8","3","1","2","5","8","1") = "7"
    & skf18("8","3","1","2","5","9","1") = "8"
    & skf18("8","3","1","2","5","10","1") = "9"
    & skf18("8","3","1","2","6","1","1") = "7"
    & skf18("8","3","1","2","6","2","1") = "7"
    & skf18("8","3","1","2","6","3","1") = "7"
    & skf18("8","3","1","2","6","4","1") = "7"
    & skf18("8","3","1","2","6","5","1") = "7"
    & skf18("8","3","1","2","6","6","1") = "7"
    & skf18("8","3","1","2","6","7","1") = "7"
    & skf18("8","3","1","2","6","8","1") = "7"
    & skf18("8","3","1","2","6","9","1") = "8"
    & skf18("8","3","1","2","6","10","1") = "9"
    & skf18("8","3","1","2","7","1","1") = "7"
    & skf18("8","3","1","2","7","2","1") = "7"
    & skf18("8","3","1","2","7","3","1") = "7"
    & skf18("8","3","1","2","7","4","1") = "7"
    & skf18("8","3","1","2","7","5","1") = "7"
    & skf18("8","3","1","2","7","6","1") = "7"
    & skf18("8","3","1","2","7","7","1") = "7"
    & skf18("8","3","1","2","7","8","1") = "7"
    & skf18("8","3","1","2","7","9","1") = "8"
    & skf18("8","3","1","2","7","10","1") = "9"
    & skf18("8","3","1","2","8","1","1") = "7"
    & skf18("8","3","1","2","8","2","1") = "7"
    & skf18("8","3","1","2","8","3","1") = "7"
    & skf18("8","3","1","2","8","4","1") = "7"
    & skf18("8","3","1","2","8","5","1") = "7"
    & skf18("8","3","1","2","8","6","1") = "7"
    & skf18("8","3","1","2","8","7","1") = "7"
    & skf18("8","3","1","2","8","8","1") = "7"
    & skf18("8","3","1","2","8","9","1") = "8"
    & skf18("8","3","1","2","8","10","1") = "9"
    & skf18("8","3","1","2","9","1","1") = "8"
    & skf18("8","3","1","2","9","2","1") = "8"
    & skf18("8","3","1","2","9","3","1") = "8"
    & skf18("8","3","1","2","9","4","1") = "8"
    & skf18("8","3","1","2","9","5","1") = "8"
    & skf18("8","3","1","2","9","6","1") = "8"
    & skf18("8","3","1","2","9","7","1") = "8"
    & skf18("8","3","1","2","9","8","1") = "8"
    & skf18("8","3","1","2","9","9","1") = "8"
    & skf18("8","3","1","2","9","10","1") = "9"
    & skf18("8","3","1","2","10","1","1") = "9"
    & skf18("8","3","1","2","10","2","1") = "9"
    & skf18("8","3","1","2","10","3","1") = "9"
    & skf18("8","3","1","2","10","4","1") = "9"
    & skf18("8","3","1","2","10","5","1") = "9"
    & skf18("8","3","1","2","10","6","1") = "9"
    & skf18("8","3","1","2","10","7","1") = "9"
    & skf18("8","3","1","2","10","8","1") = "9"
    & skf18("8","3","1","2","10","9","1") = "9"
    & skf18("8","3","1","2","10","10","1") = "9"
    & skf18("8","3","1","3","1","1","1") = "7"
    & skf18("8","3","1","3","1","2","1") = "7"
    & skf18("8","3","1","3","1","3","1") = "7"
    & skf18("8","3","1","3","1","4","1") = "7"
    & skf18("8","3","1","3","1","5","1") = "7"
    & skf18("8","3","1","3","1","6","1") = "7"
    & skf18("8","3","1","3","1","7","1") = "7"
    & skf18("8","3","1","3","1","8","1") = "7"
    & skf18("8","3","1","3","1","9","1") = "8"
    & skf18("8","3","1","3","1","10","1") = "9"
    & skf18("8","3","1","3","2","1","1") = "7"
    & skf18("8","3","1","3","2","2","1") = "7"
    & skf18("8","3","1","3","2","3","1") = "7"
    & skf18("8","3","1","3","2","4","1") = "7"
    & skf18("8","3","1","3","2","5","1") = "7"
    & skf18("8","3","1","3","2","6","1") = "7"
    & skf18("8","3","1","3","2","7","1") = "7"
    & skf18("8","3","1","3","2","8","1") = "7"
    & skf18("8","3","1","3","2","9","1") = "8"
    & skf18("8","3","1","3","2","10","1") = "9"
    & skf18("8","3","1","3","3","1","1") = "7"
    & skf18("8","3","1","3","3","2","1") = "7"
    & skf18("8","3","1","3","3","3","1") = "7"
    & skf18("8","3","1","3","3","4","1") = "7"
    & skf18("8","3","1","3","3","5","1") = "7"
    & skf18("8","3","1","3","3","6","1") = "7"
    & skf18("8","3","1","3","3","7","1") = "7"
    & skf18("8","3","1","3","3","8","1") = "7"
    & skf18("8","3","1","3","3","9","1") = "8"
    & skf18("8","3","1","3","3","10","1") = "9"
    & skf18("8","3","1","3","4","1","1") = "7"
    & skf18("8","3","1","3","4","2","1") = "7"
    & skf18("8","3","1","3","4","3","1") = "7"
    & skf18("8","3","1","3","4","4","1") = "7"
    & skf18("8","3","1","3","4","5","1") = "7"
    & skf18("8","3","1","3","4","6","1") = "7"
    & skf18("8","3","1","3","4","7","1") = "7"
    & skf18("8","3","1","3","4","8","1") = "7"
    & skf18("8","3","1","3","4","9","1") = "8"
    & skf18("8","3","1","3","4","10","1") = "9"
    & skf18("8","3","1","3","5","1","1") = "7"
    & skf18("8","3","1","3","5","2","1") = "7"
    & skf18("8","3","1","3","5","3","1") = "7"
    & skf18("8","3","1","3","5","4","1") = "7"
    & skf18("8","3","1","3","5","5","1") = "7"
    & skf18("8","3","1","3","5","6","1") = "7"
    & skf18("8","3","1","3","5","7","1") = "7"
    & skf18("8","3","1","3","5","8","1") = "7"
    & skf18("8","3","1","3","5","9","1") = "8"
    & skf18("8","3","1","3","5","10","1") = "9"
    & skf18("8","3","1","3","6","1","1") = "7"
    & skf18("8","3","1","3","6","2","1") = "7"
    & skf18("8","3","1","3","6","3","1") = "7"
    & skf18("8","3","1","3","6","4","1") = "7"
    & skf18("8","3","1","3","6","5","1") = "7"
    & skf18("8","3","1","3","6","6","1") = "7"
    & skf18("8","3","1","3","6","7","1") = "7"
    & skf18("8","3","1","3","6","8","1") = "7"
    & skf18("8","3","1","3","6","9","1") = "8"
    & skf18("8","3","1","3","6","10","1") = "9"
    & skf18("8","3","1","3","7","1","1") = "7"
    & skf18("8","3","1","3","7","2","1") = "7"
    & skf18("8","3","1","3","7","3","1") = "7"
    & skf18("8","3","1","3","7","4","1") = "7"
    & skf18("8","3","1","3","7","5","1") = "7"
    & skf18("8","3","1","3","7","6","1") = "7"
    & skf18("8","3","1","3","7","7","1") = "7"
    & skf18("8","3","1","3","7","8","1") = "7"
    & skf18("8","3","1","3","7","9","1") = "8"
    & skf18("8","3","1","3","7","10","1") = "9"
    & skf18("8","3","1","3","8","1","1") = "7"
    & skf18("8","3","1","3","8","2","1") = "7"
    & skf18("8","3","1","3","8","3","1") = "7"
    & skf18("8","3","1","3","8","4","1") = "7"
    & skf18("8","3","1","3","8","5","1") = "7"
    & skf18("8","3","1","3","8","6","1") = "7"
    & skf18("8","3","1","3","8","7","1") = "7"
    & skf18("8","3","1","3","8","8","1") = "7"
    & skf18("8","3","1","3","8","9","1") = "8"
    & skf18("8","3","1","3","8","10","1") = "9"
    & skf18("8","3","1","3","9","1","1") = "8"
    & skf18("8","3","1","3","9","2","1") = "8"
    & skf18("8","3","1","3","9","3","1") = "8"
    & skf18("8","3","1","3","9","4","1") = "8"
    & skf18("8","3","1","3","9","5","1") = "8"
    & skf18("8","3","1","3","9","6","1") = "8"
    & skf18("8","3","1","3","9","7","1") = "8"
    & skf18("8","3","1","3","9","8","1") = "8"
    & skf18("8","3","1","3","9","9","1") = "8"
    & skf18("8","3","1","3","9","10","1") = "9"
    & skf18("8","3","1","3","10","1","1") = "9"
    & skf18("8","3","1","3","10","2","1") = "9"
    & skf18("8","3","1","3","10","3","1") = "9"
    & skf18("8","3","1","3","10","4","1") = "9"
    & skf18("8","3","1","3","10","5","1") = "9"
    & skf18("8","3","1","3","10","6","1") = "9"
    & skf18("8","3","1","3","10","7","1") = "9"
    & skf18("8","3","1","3","10","8","1") = "9"
    & skf18("8","3","1","3","10","9","1") = "9"
    & skf18("8","3","1","3","10","10","1") = "9"
    & skf18("8","3","1","4","1","1","1") = "7"
    & skf18("8","3","1","4","1","2","1") = "7"
    & skf18("8","3","1","4","1","3","1") = "7"
    & skf18("8","3","1","4","1","4","1") = "7"
    & skf18("8","3","1","4","1","5","1") = "7"
    & skf18("8","3","1","4","1","6","1") = "7"
    & skf18("8","3","1","4","1","7","1") = "7"
    & skf18("8","3","1","4","1","8","1") = "7"
    & skf18("8","3","1","4","1","9","1") = "8"
    & skf18("8","3","1","4","1","10","1") = "9"
    & skf18("8","3","1","4","2","1","1") = "7"
    & skf18("8","3","1","4","2","2","1") = "7"
    & skf18("8","3","1","4","2","3","1") = "7"
    & skf18("8","3","1","4","2","4","1") = "7"
    & skf18("8","3","1","4","2","5","1") = "7"
    & skf18("8","3","1","4","2","6","1") = "7"
    & skf18("8","3","1","4","2","7","1") = "7"
    & skf18("8","3","1","4","2","8","1") = "7"
    & skf18("8","3","1","4","2","9","1") = "8"
    & skf18("8","3","1","4","2","10","1") = "9"
    & skf18("8","3","1","4","3","1","1") = "7"
    & skf18("8","3","1","4","3","2","1") = "7"
    & skf18("8","3","1","4","3","3","1") = "7"
    & skf18("8","3","1","4","3","4","1") = "7"
    & skf18("8","3","1","4","3","5","1") = "7"
    & skf18("8","3","1","4","3","6","1") = "7"
    & skf18("8","3","1","4","3","7","1") = "7"
    & skf18("8","3","1","4","3","8","1") = "7"
    & skf18("8","3","1","4","3","9","1") = "8"
    & skf18("8","3","1","4","3","10","1") = "9"
    & skf18("8","3","1","4","4","1","1") = "7"
    & skf18("8","3","1","4","4","2","1") = "7"
    & skf18("8","3","1","4","4","3","1") = "7"
    & skf18("8","3","1","4","4","4","1") = "7"
    & skf18("8","3","1","4","4","5","1") = "7"
    & skf18("8","3","1","4","4","6","1") = "7"
    & skf18("8","3","1","4","4","7","1") = "7"
    & skf18("8","3","1","4","4","8","1") = "7"
    & skf18("8","3","1","4","4","9","1") = "8"
    & skf18("8","3","1","4","4","10","1") = "9"
    & skf18("8","3","1","4","5","1","1") = "7"
    & skf18("8","3","1","4","5","2","1") = "7"
    & skf18("8","3","1","4","5","3","1") = "7"
    & skf18("8","3","1","4","5","4","1") = "7"
    & skf18("8","3","1","4","5","5","1") = "7"
    & skf18("8","3","1","4","5","6","1") = "7"
    & skf18("8","3","1","4","5","7","1") = "7"
    & skf18("8","3","1","4","5","8","1") = "7"
    & skf18("8","3","1","4","5","9","1") = "8"
    & skf18("8","3","1","4","5","10","1") = "9"
    & skf18("8","3","1","4","6","1","1") = "7"
    & skf18("8","3","1","4","6","2","1") = "7"
    & skf18("8","3","1","4","6","3","1") = "7"
    & skf18("8","3","1","4","6","4","1") = "7"
    & skf18("8","3","1","4","6","5","1") = "7"
    & skf18("8","3","1","4","6","6","1") = "7"
    & skf18("8","3","1","4","6","7","1") = "7"
    & skf18("8","3","1","4","6","8","1") = "7"
    & skf18("8","3","1","4","6","9","1") = "8"
    & skf18("8","3","1","4","6","10","1") = "9"
    & skf18("8","3","1","4","7","1","1") = "7"
    & skf18("8","3","1","4","7","2","1") = "7"
    & skf18("8","3","1","4","7","3","1") = "7"
    & skf18("8","3","1","4","7","4","1") = "7"
    & skf18("8","3","1","4","7","5","1") = "7"
    & skf18("8","3","1","4","7","6","1") = "7"
    & skf18("8","3","1","4","7","7","1") = "7"
    & skf18("8","3","1","4","7","8","1") = "7"
    & skf18("8","3","1","4","7","9","1") = "8"
    & skf18("8","3","1","4","7","10","1") = "9"
    & skf18("8","3","1","4","8","1","1") = "7"
    & skf18("8","3","1","4","8","2","1") = "7"
    & skf18("8","3","1","4","8","3","1") = "7"
    & skf18("8","3","1","4","8","4","1") = "7"
    & skf18("8","3","1","4","8","5","1") = "7"
    & skf18("8","3","1","4","8","6","1") = "7"
    & skf18("8","3","1","4","8","7","1") = "7"
    & skf18("8","3","1","4","8","8","1") = "7"
    & skf18("8","3","1","4","8","9","1") = "8"
    & skf18("8","3","1","4","8","10","1") = "9"
    & skf18("8","3","1","4","9","1","1") = "8"
    & skf18("8","3","1","4","9","2","1") = "8"
    & skf18("8","3","1","4","9","3","1") = "8"
    & skf18("8","3","1","4","9","4","1") = "8"
    & skf18("8","3","1","4","9","5","1") = "8"
    & skf18("8","3","1","4","9","6","1") = "8"
    & skf18("8","3","1","4","9","7","1") = "8"
    & skf18("8","3","1","4","9","8","1") = "8"
    & skf18("8","3","1","4","9","9","1") = "8"
    & skf18("8","3","1","4","9","10","1") = "9"
    & skf18("8","3","1","4","10","1","1") = "9"
    & skf18("8","3","1","4","10","2","1") = "9"
    & skf18("8","3","1","4","10","3","1") = "9"
    & skf18("8","3","1","4","10","4","1") = "9"
    & skf18("8","3","1","4","10","5","1") = "9"
    & skf18("8","3","1","4","10","6","1") = "9"
    & skf18("8","3","1","4","10","7","1") = "9"
    & skf18("8","3","1","4","10","8","1") = "9"
    & skf18("8","3","1","4","10","9","1") = "9"
    & skf18("8","3","1","4","10","10","1") = "9"
    & skf18("8","3","1","5","1","1","1") = "7"
    & skf18("8","3","1","5","1","2","1") = "7"
    & skf18("8","3","1","5","1","3","1") = "7"
    & skf18("8","3","1","5","1","4","1") = "7"
    & skf18("8","3","1","5","1","5","1") = "7"
    & skf18("8","3","1","5","1","6","1") = "7"
    & skf18("8","3","1","5","1","7","1") = "7"
    & skf18("8","3","1","5","1","8","1") = "7"
    & skf18("8","3","1","5","1","9","1") = "8"
    & skf18("8","3","1","5","1","10","1") = "9"
    & skf18("8","3","1","5","2","1","1") = "7"
    & skf18("8","3","1","5","2","2","1") = "7"
    & skf18("8","3","1","5","2","3","1") = "7"
    & skf18("8","3","1","5","2","4","1") = "7"
    & skf18("8","3","1","5","2","5","1") = "7"
    & skf18("8","3","1","5","2","6","1") = "7"
    & skf18("8","3","1","5","2","7","1") = "7"
    & skf18("8","3","1","5","2","8","1") = "7"
    & skf18("8","3","1","5","2","9","1") = "8"
    & skf18("8","3","1","5","2","10","1") = "9"
    & skf18("8","3","1","5","3","1","1") = "7"
    & skf18("8","3","1","5","3","2","1") = "7"
    & skf18("8","3","1","5","3","3","1") = "7"
    & skf18("8","3","1","5","3","4","1") = "7"
    & skf18("8","3","1","5","3","5","1") = "7"
    & skf18("8","3","1","5","3","6","1") = "7"
    & skf18("8","3","1","5","3","7","1") = "7"
    & skf18("8","3","1","5","3","8","1") = "7"
    & skf18("8","3","1","5","3","9","1") = "8"
    & skf18("8","3","1","5","3","10","1") = "9"
    & skf18("8","3","1","5","4","1","1") = "7"
    & skf18("8","3","1","5","4","2","1") = "7"
    & skf18("8","3","1","5","4","3","1") = "7"
    & skf18("8","3","1","5","4","4","1") = "7"
    & skf18("8","3","1","5","4","5","1") = "7"
    & skf18("8","3","1","5","4","6","1") = "7"
    & skf18("8","3","1","5","4","7","1") = "7"
    & skf18("8","3","1","5","4","8","1") = "7"
    & skf18("8","3","1","5","4","9","1") = "8"
    & skf18("8","3","1","5","4","10","1") = "9"
    & skf18("8","3","1","5","5","1","1") = "7"
    & skf18("8","3","1","5","5","2","1") = "7"
    & skf18("8","3","1","5","5","3","1") = "7"
    & skf18("8","3","1","5","5","4","1") = "7"
    & skf18("8","3","1","5","5","5","1") = "7"
    & skf18("8","3","1","5","5","6","1") = "7"
    & skf18("8","3","1","5","5","7","1") = "7"
    & skf18("8","3","1","5","5","8","1") = "7"
    & skf18("8","3","1","5","5","9","1") = "8"
    & skf18("8","3","1","5","5","10","1") = "9"
    & skf18("8","3","1","5","6","1","1") = "7"
    & skf18("8","3","1","5","6","2","1") = "7"
    & skf18("8","3","1","5","6","3","1") = "7"
    & skf18("8","3","1","5","6","4","1") = "7"
    & skf18("8","3","1","5","6","5","1") = "7"
    & skf18("8","3","1","5","6","6","1") = "7"
    & skf18("8","3","1","5","6","7","1") = "7"
    & skf18("8","3","1","5","6","8","1") = "7"
    & skf18("8","3","1","5","6","9","1") = "8"
    & skf18("8","3","1","5","6","10","1") = "9"
    & skf18("8","3","1","5","7","1","1") = "7"
    & skf18("8","3","1","5","7","2","1") = "7"
    & skf18("8","3","1","5","7","3","1") = "7"
    & skf18("8","3","1","5","7","4","1") = "7"
    & skf18("8","3","1","5","7","5","1") = "7"
    & skf18("8","3","1","5","7","6","1") = "7"
    & skf18("8","3","1","5","7","7","1") = "7"
    & skf18("8","3","1","5","7","8","1") = "7"
    & skf18("8","3","1","5","7","9","1") = "8"
    & skf18("8","3","1","5","7","10","1") = "9"
    & skf18("8","3","1","5","8","1","1") = "7"
    & skf18("8","3","1","5","8","2","1") = "7"
    & skf18("8","3","1","5","8","3","1") = "7"
    & skf18("8","3","1","5","8","4","1") = "7"
    & skf18("8","3","1","5","8","5","1") = "7"
    & skf18("8","3","1","5","8","6","1") = "7"
    & skf18("8","3","1","5","8","7","1") = "7"
    & skf18("8","3","1","5","8","8","1") = "7"
    & skf18("8","3","1","5","8","9","1") = "8"
    & skf18("8","3","1","5","8","10","1") = "9"
    & skf18("8","3","1","5","9","1","1") = "8"
    & skf18("8","3","1","5","9","2","1") = "8"
    & skf18("8","3","1","5","9","3","1") = "8"
    & skf18("8","3","1","5","9","4","1") = "8"
    & skf18("8","3","1","5","9","5","1") = "8"
    & skf18("8","3","1","5","9","6","1") = "8"
    & skf18("8","3","1","5","9","7","1") = "8"
    & skf18("8","3","1","5","9","8","1") = "8"
    & skf18("8","3","1","5","9","9","1") = "8"
    & skf18("8","3","1","5","9","10","1") = "9"
    & skf18("8","3","1","5","10","1","1") = "9"
    & skf18("8","3","1","5","10","2","1") = "9"
    & skf18("8","3","1","5","10","3","1") = "9"
    & skf18("8","3","1","5","10","4","1") = "9"
    & skf18("8","3","1","5","10","5","1") = "9"
    & skf18("8","3","1","5","10","6","1") = "9"
    & skf18("8","3","1","5","10","7","1") = "9"
    & skf18("8","3","1","5","10","8","1") = "9"
    & skf18("8","3","1","5","10","9","1") = "9"
    & skf18("8","3","1","5","10","10","1") = "9"
    & skf18("8","3","1","6","1","1","1") = "7"
    & skf18("8","3","1","6","1","2","1") = "7"
    & skf18("8","3","1","6","1","3","1") = "7"
    & skf18("8","3","1","6","1","4","1") = "7"
    & skf18("8","3","1","6","1","5","1") = "7"
    & skf18("8","3","1","6","1","6","1") = "7"
    & skf18("8","3","1","6","1","7","1") = "7"
    & skf18("8","3","1","6","1","8","1") = "7"
    & skf18("8","3","1","6","1","9","1") = "8"
    & skf18("8","3","1","6","1","10","1") = "9"
    & skf18("8","3","1","6","2","1","1") = "7"
    & skf18("8","3","1","6","2","2","1") = "7"
    & skf18("8","3","1","6","2","3","1") = "7"
    & skf18("8","3","1","6","2","4","1") = "7"
    & skf18("8","3","1","6","2","5","1") = "7"
    & skf18("8","3","1","6","2","6","1") = "7"
    & skf18("8","3","1","6","2","7","1") = "7"
    & skf18("8","3","1","6","2","8","1") = "7"
    & skf18("8","3","1","6","2","9","1") = "8"
    & skf18("8","3","1","6","2","10","1") = "9"
    & skf18("8","3","1","6","3","1","1") = "7"
    & skf18("8","3","1","6","3","2","1") = "7"
    & skf18("8","3","1","6","3","3","1") = "7"
    & skf18("8","3","1","6","3","4","1") = "7"
    & skf18("8","3","1","6","3","5","1") = "7"
    & skf18("8","3","1","6","3","6","1") = "7"
    & skf18("8","3","1","6","3","7","1") = "7"
    & skf18("8","3","1","6","3","8","1") = "7"
    & skf18("8","3","1","6","3","9","1") = "8"
    & skf18("8","3","1","6","3","10","1") = "9"
    & skf18("8","3","1","6","4","1","1") = "7"
    & skf18("8","3","1","6","4","2","1") = "7"
    & skf18("8","3","1","6","4","3","1") = "7"
    & skf18("8","3","1","6","4","4","1") = "7"
    & skf18("8","3","1","6","4","5","1") = "7"
    & skf18("8","3","1","6","4","6","1") = "7"
    & skf18("8","3","1","6","4","7","1") = "7"
    & skf18("8","3","1","6","4","8","1") = "7"
    & skf18("8","3","1","6","4","9","1") = "8"
    & skf18("8","3","1","6","4","10","1") = "9"
    & skf18("8","3","1","6","5","1","1") = "7"
    & skf18("8","3","1","6","5","2","1") = "7"
    & skf18("8","3","1","6","5","3","1") = "7"
    & skf18("8","3","1","6","5","4","1") = "7"
    & skf18("8","3","1","6","5","5","1") = "7"
    & skf18("8","3","1","6","5","6","1") = "7"
    & skf18("8","3","1","6","5","7","1") = "7"
    & skf18("8","3","1","6","5","8","1") = "7"
    & skf18("8","3","1","6","5","9","1") = "8"
    & skf18("8","3","1","6","5","10","1") = "9"
    & skf18("8","3","1","6","6","1","1") = "7"
    & skf18("8","3","1","6","6","2","1") = "7"
    & skf18("8","3","1","6","6","3","1") = "7"
    & skf18("8","3","1","6","6","4","1") = "7"
    & skf18("8","3","1","6","6","5","1") = "7"
    & skf18("8","3","1","6","6","6","1") = "7"
    & skf18("8","3","1","6","6","7","1") = "7"
    & skf18("8","3","1","6","6","8","1") = "7"
    & skf18("8","3","1","6","6","9","1") = "8"
    & skf18("8","3","1","6","6","10","1") = "9"
    & skf18("8","3","1","6","7","1","1") = "7"
    & skf18("8","3","1","6","7","2","1") = "7"
    & skf18("8","3","1","6","7","3","1") = "7"
    & skf18("8","3","1","6","7","4","1") = "7"
    & skf18("8","3","1","6","7","5","1") = "7"
    & skf18("8","3","1","6","7","6","1") = "7"
    & skf18("8","3","1","6","7","7","1") = "7"
    & skf18("8","3","1","6","7","8","1") = "7"
    & skf18("8","3","1","6","7","9","1") = "8"
    & skf18("8","3","1","6","7","10","1") = "9"
    & skf18("8","3","1","6","8","1","1") = "7"
    & skf18("8","3","1","6","8","2","1") = "7"
    & skf18("8","3","1","6","8","3","1") = "7"
    & skf18("8","3","1","6","8","4","1") = "7"
    & skf18("8","3","1","6","8","5","1") = "7"
    & skf18("8","3","1","6","8","6","1") = "7"
    & skf18("8","3","1","6","8","7","1") = "7"
    & skf18("8","3","1","6","8","8","1") = "7"
    & skf18("8","3","1","6","8","9","1") = "8"
    & skf18("8","3","1","6","8","10","1") = "9"
    & skf18("8","3","1","6","9","1","1") = "8"
    & skf18("8","3","1","6","9","2","1") = "8"
    & skf18("8","3","1","6","9","3","1") = "8"
    & skf18("8","3","1","6","9","4","1") = "8"
    & skf18("8","3","1","6","9","5","1") = "8"
    & skf18("8","3","1","6","9","6","1") = "8"
    & skf18("8","3","1","6","9","7","1") = "8"
    & skf18("8","3","1","6","9","8","1") = "8"
    & skf18("8","3","1","6","9","9","1") = "8"
    & skf18("8","3","1","6","9","10","1") = "9"
    & skf18("8","3","1","6","10","1","1") = "9"
    & skf18("8","3","1","6","10","2","1") = "9"
    & skf18("8","3","1","6","10","3","1") = "9"
    & skf18("8","3","1","6","10","4","1") = "9"
    & skf18("8","3","1","6","10","5","1") = "9"
    & skf18("8","3","1","6","10","6","1") = "9"
    & skf18("8","3","1","6","10","7","1") = "9"
    & skf18("8","3","1","6","10","8","1") = "9"
    & skf18("8","3","1","6","10","9","1") = "9"
    & skf18("8","3","1","6","10","10","1") = "9"
    & skf18("8","3","1","7","1","1","1") = "7"
    & skf18("8","3","1","7","1","2","1") = "7"
    & skf18("8","3","1","7","1","3","1") = "7"
    & skf18("8","3","1","7","1","4","1") = "7"
    & skf18("8","3","1","7","1","5","1") = "7"
    & skf18("8","3","1","7","1","6","1") = "7"
    & skf18("8","3","1","7","1","7","1") = "7"
    & skf18("8","3","1","7","1","8","1") = "7"
    & skf18("8","3","1","7","1","9","1") = "8"
    & skf18("8","3","1","7","1","10","1") = "9"
    & skf18("8","3","1","7","2","1","1") = "7"
    & skf18("8","3","1","7","2","2","1") = "7"
    & skf18("8","3","1","7","2","3","1") = "7"
    & skf18("8","3","1","7","2","4","1") = "7"
    & skf18("8","3","1","7","2","5","1") = "7"
    & skf18("8","3","1","7","2","6","1") = "7"
    & skf18("8","3","1","7","2","7","1") = "7"
    & skf18("8","3","1","7","2","8","1") = "7"
    & skf18("8","3","1","7","2","9","1") = "8"
    & skf18("8","3","1","7","2","10","1") = "9"
    & skf18("8","3","1","7","3","1","1") = "7"
    & skf18("8","3","1","7","3","2","1") = "7"
    & skf18("8","3","1","7","3","3","1") = "7"
    & skf18("8","3","1","7","3","4","1") = "7"
    & skf18("8","3","1","7","3","5","1") = "7"
    & skf18("8","3","1","7","3","6","1") = "7"
    & skf18("8","3","1","7","3","7","1") = "7"
    & skf18("8","3","1","7","3","8","1") = "7"
    & skf18("8","3","1","7","3","9","1") = "8"
    & skf18("8","3","1","7","3","10","1") = "9"
    & skf18("8","3","1","7","4","1","1") = "7"
    & skf18("8","3","1","7","4","2","1") = "7"
    & skf18("8","3","1","7","4","3","1") = "7"
    & skf18("8","3","1","7","4","4","1") = "7"
    & skf18("8","3","1","7","4","5","1") = "7"
    & skf18("8","3","1","7","4","6","1") = "7"
    & skf18("8","3","1","7","4","7","1") = "7"
    & skf18("8","3","1","7","4","8","1") = "7"
    & skf18("8","3","1","7","4","9","1") = "8"
    & skf18("8","3","1","7","4","10","1") = "9"
    & skf18("8","3","1","7","5","1","1") = "7"
    & skf18("8","3","1","7","5","2","1") = "7"
    & skf18("8","3","1","7","5","3","1") = "7"
    & skf18("8","3","1","7","5","4","1") = "7"
    & skf18("8","3","1","7","5","5","1") = "7"
    & skf18("8","3","1","7","5","6","1") = "7"
    & skf18("8","3","1","7","5","7","1") = "7"
    & skf18("8","3","1","7","5","8","1") = "7"
    & skf18("8","3","1","7","5","9","1") = "8"
    & skf18("8","3","1","7","5","10","1") = "9"
    & skf18("8","3","1","7","6","1","1") = "7"
    & skf18("8","3","1","7","6","2","1") = "7"
    & skf18("8","3","1","7","6","3","1") = "7"
    & skf18("8","3","1","7","6","4","1") = "7"
    & skf18("8","3","1","7","6","5","1") = "7"
    & skf18("8","3","1","7","6","6","1") = "7"
    & skf18("8","3","1","7","6","7","1") = "7"
    & skf18("8","3","1","7","6","8","1") = "7"
    & skf18("8","3","1","7","6","9","1") = "8"
    & skf18("8","3","1","7","6","10","1") = "9"
    & skf18("8","3","1","7","7","1","1") = "7"
    & skf18("8","3","1","7","7","2","1") = "7"
    & skf18("8","3","1","7","7","3","1") = "7"
    & skf18("8","3","1","7","7","4","1") = "7"
    & skf18("8","3","1","7","7","5","1") = "7"
    & skf18("8","3","1","7","7","6","1") = "7"
    & skf18("8","3","1","7","7","7","1") = "7"
    & skf18("8","3","1","7","7","8","1") = "7"
    & skf18("8","3","1","7","7","9","1") = "8"
    & skf18("8","3","1","7","7","10","1") = "9"
    & skf18("8","3","1","7","8","1","1") = "7"
    & skf18("8","3","1","7","8","2","1") = "7"
    & skf18("8","3","1","7","8","3","1") = "7"
    & skf18("8","3","1","7","8","4","1") = "7"
    & skf18("8","3","1","7","8","5","1") = "7"
    & skf18("8","3","1","7","8","6","1") = "7"
    & skf18("8","3","1","7","8","7","1") = "7"
    & skf18("8","3","1","7","8","8","1") = "7"
    & skf18("8","3","1","7","8","9","1") = "8"
    & skf18("8","3","1","7","8","10","1") = "9"
    & skf18("8","3","1","7","9","1","1") = "8"
    & skf18("8","3","1","7","9","2","1") = "8"
    & skf18("8","3","1","7","9","3","1") = "8"
    & skf18("8","3","1","7","9","4","1") = "8"
    & skf18("8","3","1","7","9","5","1") = "8"
    & skf18("8","3","1","7","9","6","1") = "8"
    & skf18("8","3","1","7","9","7","1") = "8"
    & skf18("8","3","1","7","9","8","1") = "8"
    & skf18("8","3","1","7","9","9","1") = "8"
    & skf18("8","3","1","7","9","10","1") = "9"
    & skf18("8","3","1","7","10","1","1") = "9"
    & skf18("8","3","1","7","10","2","1") = "9"
    & skf18("8","3","1","7","10","3","1") = "9"
    & skf18("8","3","1","7","10","4","1") = "9"
    & skf18("8","3","1","7","10","5","1") = "9"
    & skf18("8","3","1","7","10","6","1") = "9"
    & skf18("8","3","1","7","10","7","1") = "9"
    & skf18("8","3","1","7","10","8","1") = "9"
    & skf18("8","3","1","7","10","9","1") = "9"
    & skf18("8","3","1","7","10","10","1") = "9"
    & skf18("8","3","1","8","1","1","1") = "7"
    & skf18("8","3","1","8","1","2","1") = "7"
    & skf18("8","3","1","8","1","3","1") = "7"
    & skf18("8","3","1","8","1","4","1") = "7"
    & skf18("8","3","1","8","1","5","1") = "7"
    & skf18("8","3","1","8","1","6","1") = "7"
    & skf18("8","3","1","8","1","7","1") = "7"
    & skf18("8","3","1","8","1","8","1") = "7"
    & skf18("8","3","1","8","1","9","1") = "8"
    & skf18("8","3","1","8","1","10","1") = "9"
    & skf18("8","3","1","8","2","1","1") = "7"
    & skf18("8","3","1","8","2","2","1") = "7"
    & skf18("8","3","1","8","2","3","1") = "7"
    & skf18("8","3","1","8","2","4","1") = "7"
    & skf18("8","3","1","8","2","5","1") = "7"
    & skf18("8","3","1","8","2","6","1") = "7"
    & skf18("8","3","1","8","2","7","1") = "7"
    & skf18("8","3","1","8","2","8","1") = "7"
    & skf18("8","3","1","8","2","9","1") = "8"
    & skf18("8","3","1","8","2","10","1") = "9"
    & skf18("8","3","1","8","3","1","1") = "7"
    & skf18("8","3","1","8","3","2","1") = "7"
    & skf18("8","3","1","8","3","3","1") = "7"
    & skf18("8","3","1","8","3","4","1") = "7"
    & skf18("8","3","1","8","3","5","1") = "7"
    & skf18("8","3","1","8","3","6","1") = "7"
    & skf18("8","3","1","8","3","7","1") = "7"
    & skf18("8","3","1","8","3","8","1") = "7"
    & skf18("8","3","1","8","3","9","1") = "8"
    & skf18("8","3","1","8","3","10","1") = "9"
    & skf18("8","3","1","8","4","1","1") = "7"
    & skf18("8","3","1","8","4","2","1") = "7"
    & skf18("8","3","1","8","4","3","1") = "7"
    & skf18("8","3","1","8","4","4","1") = "7"
    & skf18("8","3","1","8","4","5","1") = "7"
    & skf18("8","3","1","8","4","6","1") = "7"
    & skf18("8","3","1","8","4","7","1") = "7"
    & skf18("8","3","1","8","4","8","1") = "7"
    & skf18("8","3","1","8","4","9","1") = "8"
    & skf18("8","3","1","8","4","10","1") = "9"
    & skf18("8","3","1","8","5","1","1") = "7"
    & skf18("8","3","1","8","5","2","1") = "7"
    & skf18("8","3","1","8","5","3","1") = "7"
    & skf18("8","3","1","8","5","4","1") = "7"
    & skf18("8","3","1","8","5","5","1") = "7"
    & skf18("8","3","1","8","5","6","1") = "7"
    & skf18("8","3","1","8","5","7","1") = "7"
    & skf18("8","3","1","8","5","8","1") = "7"
    & skf18("8","3","1","8","5","9","1") = "8"
    & skf18("8","3","1","8","5","10","1") = "9"
    & skf18("8","3","1","8","6","1","1") = "7"
    & skf18("8","3","1","8","6","2","1") = "7"
    & skf18("8","3","1","8","6","3","1") = "7"
    & skf18("8","3","1","8","6","4","1") = "7"
    & skf18("8","3","1","8","6","5","1") = "7"
    & skf18("8","3","1","8","6","6","1") = "7"
    & skf18("8","3","1","8","6","7","1") = "7"
    & skf18("8","3","1","8","6","8","1") = "7"
    & skf18("8","3","1","8","6","9","1") = "8"
    & skf18("8","3","1","8","6","10","1") = "9"
    & skf18("8","3","1","8","7","1","1") = "7"
    & skf18("8","3","1","8","7","2","1") = "7"
    & skf18("8","3","1","8","7","3","1") = "7"
    & skf18("8","3","1","8","7","4","1") = "7"
    & skf18("8","3","1","8","7","5","1") = "7"
    & skf18("8","3","1","8","7","6","1") = "7"
    & skf18("8","3","1","8","7","7","1") = "7"
    & skf18("8","3","1","8","7","8","1") = "7"
    & skf18("8","3","1","8","7","9","1") = "8"
    & skf18("8","3","1","8","7","10","1") = "9"
    & skf18("8","3","1","8","8","1","1") = "7"
    & skf18("8","3","1","8","8","2","1") = "7"
    & skf18("8","3","1","8","8","3","1") = "7"
    & skf18("8","3","1","8","8","4","1") = "7"
    & skf18("8","3","1","8","8","5","1") = "7"
    & skf18("8","3","1","8","8","6","1") = "7"
    & skf18("8","3","1","8","8","7","1") = "7"
    & skf18("8","3","1","8","8","8","1") = "7"
    & skf18("8","3","1","8","8","9","1") = "8"
    & skf18("8","3","1","8","8","10","1") = "9"
    & skf18("8","3","1","8","9","1","1") = "8"
    & skf18("8","3","1","8","9","2","1") = "8"
    & skf18("8","3","1","8","9","3","1") = "8"
    & skf18("8","3","1","8","9","4","1") = "8"
    & skf18("8","3","1","8","9","5","1") = "8"
    & skf18("8","3","1","8","9","6","1") = "8"
    & skf18("8","3","1","8","9","7","1") = "8"
    & skf18("8","3","1","8","9","8","1") = "8"
    & skf18("8","3","1","8","9","9","1") = "8"
    & skf18("8","3","1","8","9","10","1") = "9"
    & skf18("8","3","1","8","10","1","1") = "9"
    & skf18("8","3","1","8","10","2","1") = "9"
    & skf18("8","3","1","8","10","3","1") = "9"
    & skf18("8","3","1","8","10","4","1") = "9"
    & skf18("8","3","1","8","10","5","1") = "9"
    & skf18("8","3","1","8","10","6","1") = "9"
    & skf18("8","3","1","8","10","7","1") = "9"
    & skf18("8","3","1","8","10","8","1") = "9"
    & skf18("8","3","1","8","10","9","1") = "9"
    & skf18("8","3","1","8","10","10","1") = "9"
    & skf18("8","3","1","9","1","1","1") = "8"
    & skf18("8","3","1","9","1","2","1") = "8"
    & skf18("8","3","1","9","1","3","1") = "8"
    & skf18("8","3","1","9","1","4","1") = "8"
    & skf18("8","3","1","9","1","5","1") = "8"
    & skf18("8","3","1","9","1","6","1") = "8"
    & skf18("8","3","1","9","1","7","1") = "8"
    & skf18("8","3","1","9","1","8","1") = "8"
    & skf18("8","3","1","9","1","9","1") = "8"
    & skf18("8","3","1","9","1","10","1") = "9"
    & skf18("8","3","1","9","2","1","1") = "8"
    & skf18("8","3","1","9","2","2","1") = "8"
    & skf18("8","3","1","9","2","3","1") = "8"
    & skf18("8","3","1","9","2","4","1") = "8"
    & skf18("8","3","1","9","2","5","1") = "8"
    & skf18("8","3","1","9","2","6","1") = "8"
    & skf18("8","3","1","9","2","7","1") = "8"
    & skf18("8","3","1","9","2","8","1") = "8"
    & skf18("8","3","1","9","2","9","1") = "8"
    & skf18("8","3","1","9","2","10","1") = "9"
    & skf18("8","3","1","9","3","1","1") = "8"
    & skf18("8","3","1","9","3","2","1") = "8"
    & skf18("8","3","1","9","3","3","1") = "8"
    & skf18("8","3","1","9","3","4","1") = "8"
    & skf18("8","3","1","9","3","5","1") = "8"
    & skf18("8","3","1","9","3","6","1") = "8"
    & skf18("8","3","1","9","3","7","1") = "8"
    & skf18("8","3","1","9","3","8","1") = "8"
    & skf18("8","3","1","9","3","9","1") = "8"
    & skf18("8","3","1","9","3","10","1") = "9"
    & skf18("8","3","1","9","4","1","1") = "8"
    & skf18("8","3","1","9","4","2","1") = "8"
    & skf18("8","3","1","9","4","3","1") = "8"
    & skf18("8","3","1","9","4","4","1") = "8"
    & skf18("8","3","1","9","4","5","1") = "8"
    & skf18("8","3","1","9","4","6","1") = "8"
    & skf18("8","3","1","9","4","7","1") = "8"
    & skf18("8","3","1","9","4","8","1") = "8"
    & skf18("8","3","1","9","4","9","1") = "8"
    & skf18("8","3","1","9","4","10","1") = "9"
    & skf18("8","3","1","9","5","1","1") = "8"
    & skf18("8","3","1","9","5","2","1") = "8"
    & skf18("8","3","1","9","5","3","1") = "8"
    & skf18("8","3","1","9","5","4","1") = "8"
    & skf18("8","3","1","9","5","5","1") = "8"
    & skf18("8","3","1","9","5","6","1") = "8"
    & skf18("8","3","1","9","5","7","1") = "8"
    & skf18("8","3","1","9","5","8","1") = "8"
    & skf18("8","3","1","9","5","9","1") = "8"
    & skf18("8","3","1","9","5","10","1") = "9"
    & skf18("8","3","1","9","6","1","1") = "8"
    & skf18("8","3","1","9","6","2","1") = "8"
    & skf18("8","3","1","9","6","3","1") = "8"
    & skf18("8","3","1","9","6","4","1") = "8"
    & skf18("8","3","1","9","6","5","1") = "8"
    & skf18("8","3","1","9","6","6","1") = "8"
    & skf18("8","3","1","9","6","7","1") = "8"
    & skf18("8","3","1","9","6","8","1") = "8"
    & skf18("8","3","1","9","6","9","1") = "8"
    & skf18("8","3","1","9","6","10","1") = "9"
    & skf18("8","3","1","9","7","1","1") = "8"
    & skf18("8","3","1","9","7","2","1") = "8"
    & skf18("8","3","1","9","7","3","1") = "8"
    & skf18("8","3","1","9","7","4","1") = "8"
    & skf18("8","3","1","9","7","5","1") = "8"
    & skf18("8","3","1","9","7","6","1") = "8"
    & skf18("8","3","1","9","7","7","1") = "8"
    & skf18("8","3","1","9","7","8","1") = "8"
    & skf18("8","3","1","9","7","9","1") = "8"
    & skf18("8","3","1","9","7","10","1") = "9"
    & skf18("8","3","1","9","8","1","1") = "8"
    & skf18("8","3","1","9","8","2","1") = "8"
    & skf18("8","3","1","9","8","3","1") = "8"
    & skf18("8","3","1","9","8","4","1") = "8"
    & skf18("8","3","1","9","8","5","1") = "8"
    & skf18("8","3","1","9","8","6","1") = "8"
    & skf18("8","3","1","9","8","7","1") = "8"
    & skf18("8","3","1","9","8","8","1") = "8"
    & skf18("8","3","1","9","8","9","1") = "8"
    & skf18("8","3","1","9","8","10","1") = "9"
    & skf18("8","3","1","9","9","1","1") = "8"
    & skf18("8","3","1","9","9","2","1") = "8"
    & skf18("8","3","1","9","9","3","1") = "8"
    & skf18("8","3","1","9","9","4","1") = "8"
    & skf18("8","3","1","9","9","5","1") = "8"
    & skf18("8","3","1","9","9","6","1") = "8"
    & skf18("8","3","1","9","9","7","1") = "8"
    & skf18("8","3","1","9","9","8","1") = "8"
    & skf18("8","3","1","9","9","9","1") = "8"
    & skf18("8","3","1","9","9","10","1") = "9"
    & skf18("8","3","1","9","10","1","1") = "9"
    & skf18("8","3","1","9","10","2","1") = "9"
    & skf18("8","3","1","9","10","3","1") = "9"
    & skf18("8","3","1","9","10","4","1") = "9"
    & skf18("8","3","1","9","10","5","1") = "9"
    & skf18("8","3","1","9","10","6","1") = "9"
    & skf18("8","3","1","9","10","7","1") = "9"
    & skf18("8","3","1","9","10","8","1") = "9"
    & skf18("8","3","1","9","10","9","1") = "9"
    & skf18("8","3","1","9","10","10","1") = "9"
    & skf18("8","3","1","10","1","1","1") = "9"
    & skf18("8","3","1","10","1","2","1") = "9"
    & skf18("8","3","1","10","1","3","1") = "9"
    & skf18("8","3","1","10","1","4","1") = "9"
    & skf18("8","3","1","10","1","5","1") = "9"
    & skf18("8","3","1","10","1","6","1") = "9"
    & skf18("8","3","1","10","1","7","1") = "9"
    & skf18("8","3","1","10","1","8","1") = "9"
    & skf18("8","3","1","10","1","9","1") = "9"
    & skf18("8","3","1","10","1","10","1") = "9"
    & skf18("8","3","1","10","2","1","1") = "9"
    & skf18("8","3","1","10","2","2","1") = "9"
    & skf18("8","3","1","10","2","3","1") = "9"
    & skf18("8","3","1","10","2","4","1") = "9"
    & skf18("8","3","1","10","2","5","1") = "9"
    & skf18("8","3","1","10","2","6","1") = "9"
    & skf18("8","3","1","10","2","7","1") = "9"
    & skf18("8","3","1","10","2","8","1") = "9"
    & skf18("8","3","1","10","2","9","1") = "9"
    & skf18("8","3","1","10","2","10","1") = "9"
    & skf18("8","3","1","10","3","1","1") = "9"
    & skf18("8","3","1","10","3","2","1") = "9"
    & skf18("8","3","1","10","3","3","1") = "9"
    & skf18("8","3","1","10","3","4","1") = "9"
    & skf18("8","3","1","10","3","5","1") = "9"
    & skf18("8","3","1","10","3","6","1") = "9"
    & skf18("8","3","1","10","3","7","1") = "9"
    & skf18("8","3","1","10","3","8","1") = "9"
    & skf18("8","3","1","10","3","9","1") = "9"
    & skf18("8","3","1","10","3","10","1") = "9"
    & skf18("8","3","1","10","4","1","1") = "9"
    & skf18("8","3","1","10","4","2","1") = "9"
    & skf18("8","3","1","10","4","3","1") = "9"
    & skf18("8","3","1","10","4","4","1") = "9"
    & skf18("8","3","1","10","4","5","1") = "9"
    & skf18("8","3","1","10","4","6","1") = "9"
    & skf18("8","3","1","10","4","7","1") = "9"
    & skf18("8","3","1","10","4","8","1") = "9"
    & skf18("8","3","1","10","4","9","1") = "9"
    & skf18("8","3","1","10","4","10","1") = "9"
    & skf18("8","3","1","10","5","1","1") = "9"
    & skf18("8","3","1","10","5","2","1") = "9"
    & skf18("8","3","1","10","5","3","1") = "9"
    & skf18("8","3","1","10","5","4","1") = "9"
    & skf18("8","3","1","10","5","5","1") = "9"
    & skf18("8","3","1","10","5","6","1") = "9"
    & skf18("8","3","1","10","5","7","1") = "9"
    & skf18("8","3","1","10","5","8","1") = "9"
    & skf18("8","3","1","10","5","9","1") = "9"
    & skf18("8","3","1","10","5","10","1") = "9"
    & skf18("8","3","1","10","6","1","1") = "9"
    & skf18("8","3","1","10","6","2","1") = "9"
    & skf18("8","3","1","10","6","3","1") = "9"
    & skf18("8","3","1","10","6","4","1") = "9"
    & skf18("8","3","1","10","6","5","1") = "9"
    & skf18("8","3","1","10","6","6","1") = "9"
    & skf18("8","3","1","10","6","7","1") = "9"
    & skf18("8","3","1","10","6","8","1") = "9"
    & skf18("8","3","1","10","6","9","1") = "9"
    & skf18("8","3","1","10","6","10","1") = "9"
    & skf18("8","3","1","10","7","1","1") = "9"
    & skf18("8","3","1","10","7","2","1") = "9"
    & skf18("8","3","1","10","7","3","1") = "9"
    & skf18("8","3","1","10","7","4","1") = "9"
    & skf18("8","3","1","10","7","5","1") = "9"
    & skf18("8","3","1","10","7","6","1") = "9"
    & skf18("8","3","1","10","7","7","1") = "9"
    & skf18("8","3","1","10","7","8","1") = "9"
    & skf18("8","3","1","10","7","9","1") = "9"
    & skf18("8","3","1","10","7","10","1") = "9"
    & skf18("8","3","1","10","8","1","1") = "9"
    & skf18("8","3","1","10","8","2","1") = "9"
    & skf18("8","3","1","10","8","3","1") = "9"
    & skf18("8","3","1","10","8","4","1") = "9"
    & skf18("8","3","1","10","8","5","1") = "9"
    & skf18("8","3","1","10","8","6","1") = "9"
    & skf18("8","3","1","10","8","7","1") = "9"
    & skf18("8","3","1","10","8","8","1") = "9"
    & skf18("8","3","1","10","8","9","1") = "9"
    & skf18("8","3","1","10","8","10","1") = "9"
    & skf18("8","3","1","10","9","1","1") = "9"
    & skf18("8","3","1","10","9","2","1") = "9"
    & skf18("8","3","1","10","9","3","1") = "9"
    & skf18("8","3","1","10","9","4","1") = "9"
    & skf18("8","3","1","10","9","5","1") = "9"
    & skf18("8","3","1","10","9","6","1") = "9"
    & skf18("8","3","1","10","9","7","1") = "9"
    & skf18("8","3","1","10","9","8","1") = "9"
    & skf18("8","3","1","10","9","9","1") = "9"
    & skf18("8","3","1","10","9","10","1") = "9"
    & skf18("8","3","1","10","10","1","1") = "9"
    & skf18("8","3","1","10","10","2","1") = "9"
    & skf18("8","3","1","10","10","3","1") = "9"
    & skf18("8","3","1","10","10","4","1") = "9"
    & skf18("8","3","1","10","10","5","1") = "9"
    & skf18("8","3","1","10","10","6","1") = "9"
    & skf18("8","3","1","10","10","7","1") = "9"
    & skf18("8","3","1","10","10","8","1") = "9"
    & skf18("8","3","1","10","10","9","1") = "9"
    & skf18("8","3","1","10","10","10","1") = "9"
    & skf18("8","3","2","1","1","1","1") = "7"
    & skf18("8","3","2","1","1","2","1") = "7"
    & skf18("8","3","2","1","1","3","1") = "7"
    & skf18("8","3","2","1","1","4","1") = "7"
    & skf18("8","3","2","1","1","5","1") = "7"
    & skf18("8","3","2","1","1","6","1") = "7"
    & skf18("8","3","2","1","1","7","1") = "7"
    & skf18("8","3","2","1","1","8","1") = "7"
    & skf18("8","3","2","1","1","9","1") = "8"
    & skf18("8","3","2","1","1","10","1") = "9"
    & skf18("8","3","2","1","2","1","1") = "7"
    & skf18("8","3","2","1","2","2","1") = "7"
    & skf18("8","3","2","1","2","3","1") = "7"
    & skf18("8","3","2","1","2","4","1") = "7"
    & skf18("8","3","2","1","2","5","1") = "7"
    & skf18("8","3","2","1","2","6","1") = "7"
    & skf18("8","3","2","1","2","7","1") = "7"
    & skf18("8","3","2","1","2","8","1") = "7"
    & skf18("8","3","2","1","2","9","1") = "8"
    & skf18("8","3","2","1","2","10","1") = "9"
    & skf18("8","3","2","1","3","1","1") = "7"
    & skf18("8","3","2","1","3","2","1") = "7"
    & skf18("8","3","2","1","3","3","1") = "7"
    & skf18("8","3","2","1","3","4","1") = "7"
    & skf18("8","3","2","1","3","5","1") = "7"
    & skf18("8","3","2","1","3","6","1") = "7"
    & skf18("8","3","2","1","3","7","1") = "7"
    & skf18("8","3","2","1","3","8","1") = "7"
    & skf18("8","3","2","1","3","9","1") = "8"
    & skf18("8","3","2","1","3","10","1") = "9"
    & skf18("8","3","2","1","4","1","1") = "7"
    & skf18("8","3","2","1","4","2","1") = "7"
    & skf18("8","3","2","1","4","3","1") = "7"
    & skf18("8","3","2","1","4","4","1") = "7"
    & skf18("8","3","2","1","4","5","1") = "7"
    & skf18("8","3","2","1","4","6","1") = "7"
    & skf18("8","3","2","1","4","7","1") = "7"
    & skf18("8","3","2","1","4","8","1") = "7"
    & skf18("8","3","2","1","4","9","1") = "8"
    & skf18("8","3","2","1","4","10","1") = "9"
    & skf18("8","3","2","1","5","1","1") = "7"
    & skf18("8","3","2","1","5","2","1") = "7"
    & skf18("8","3","2","1","5","3","1") = "7"
    & skf18("8","3","2","1","5","4","1") = "7"
    & skf18("8","3","2","1","5","5","1") = "7"
    & skf18("8","3","2","1","5","6","1") = "7"
    & skf18("8","3","2","1","5","7","1") = "7"
    & skf18("8","3","2","1","5","8","1") = "7"
    & skf18("8","3","2","1","5","9","1") = "8"
    & skf18("8","3","2","1","5","10","1") = "9"
    & skf18("8","3","2","1","6","1","1") = "7"
    & skf18("8","3","2","1","6","2","1") = "7"
    & skf18("8","3","2","1","6","3","1") = "7"
    & skf18("8","3","2","1","6","4","1") = "7"
    & skf18("8","3","2","1","6","5","1") = "7"
    & skf18("8","3","2","1","6","6","1") = "7"
    & skf18("8","3","2","1","6","7","1") = "7"
    & skf18("8","3","2","1","6","8","1") = "7"
    & skf18("8","3","2","1","6","9","1") = "8"
    & skf18("8","3","2","1","6","10","1") = "9"
    & skf18("8","3","2","1","7","1","1") = "7"
    & skf18("8","3","2","1","7","2","1") = "7"
    & skf18("8","3","2","1","7","3","1") = "7"
    & skf18("8","3","2","1","7","4","1") = "7"
    & skf18("8","3","2","1","7","5","1") = "7"
    & skf18("8","3","2","1","7","6","1") = "7"
    & skf18("8","3","2","1","7","7","1") = "7"
    & skf18("8","3","2","1","7","8","1") = "7"
    & skf18("8","3","2","1","7","9","1") = "8"
    & skf18("8","3","2","1","7","10","1") = "9"
    & skf18("8","3","2","1","8","1","1") = "7"
    & skf18("8","3","2","1","8","2","1") = "7"
    & skf18("8","3","2","1","8","3","1") = "7"
    & skf18("8","3","2","1","8","4","1") = "7"
    & skf18("8","3","2","1","8","5","1") = "7"
    & skf18("8","3","2","1","8","6","1") = "7"
    & skf18("8","3","2","1","8","7","1") = "7"
    & skf18("8","3","2","1","8","8","1") = "7"
    & skf18("8","3","2","1","8","9","1") = "8"
    & skf18("8","3","2","1","8","10","1") = "9"
    & skf18("8","3","2","1","9","1","1") = "8"
    & skf18("8","3","2","1","9","2","1") = "8"
    & skf18("8","3","2","1","9","3","1") = "8"
    & skf18("8","3","2","1","9","4","1") = "8"
    & skf18("8","3","2","1","9","5","1") = "8"
    & skf18("8","3","2","1","9","6","1") = "8"
    & skf18("8","3","2","1","9","7","1") = "8"
    & skf18("8","3","2","1","9","8","1") = "8"
    & skf18("8","3","2","1","9","9","1") = "8"
    & skf18("8","3","2","1","9","10","1") = "9"
    & skf18("8","3","2","1","10","1","1") = "9"
    & skf18("8","3","2","1","10","2","1") = "9"
    & skf18("8","3","2","1","10","3","1") = "9"
    & skf18("8","3","2","1","10","4","1") = "9"
    & skf18("8","3","2","1","10","5","1") = "9"
    & skf18("8","3","2","1","10","6","1") = "9"
    & skf18("8","3","2","1","10","7","1") = "9"
    & skf18("8","3","2","1","10","8","1") = "9"
    & skf18("8","3","2","1","10","9","1") = "9"
    & skf18("8","3","2","1","10","10","1") = "9"
    & skf18("8","3","2","2","1","1","1") = "7"
    & skf18("8","3","2","2","1","2","1") = "7"
    & skf18("8","3","2","2","1","3","1") = "7"
    & skf18("8","3","2","2","1","4","1") = "7"
    & skf18("8","3","2","2","1","5","1") = "7"
    & skf18("8","3","2","2","1","6","1") = "7"
    & skf18("8","3","2","2","1","7","1") = "7"
    & skf18("8","3","2","2","1","8","1") = "7"
    & skf18("8","3","2","2","1","9","1") = "8"
    & skf18("8","3","2","2","1","10","1") = "9"
    & skf18("8","3","2","2","2","1","1") = "7"
    & skf18("8","3","2","2","2","2","1") = "7"
    & skf18("8","3","2","2","2","3","1") = "7"
    & skf18("8","3","2","2","2","4","1") = "7"
    & skf18("8","3","2","2","2","5","1") = "7"
    & skf18("8","3","2","2","2","6","1") = "7"
    & skf18("8","3","2","2","2","7","1") = "7"
    & skf18("8","3","2","2","2","8","1") = "7"
    & skf18("8","3","2","2","2","9","1") = "8"
    & skf18("8","3","2","2","2","10","1") = "9"
    & skf18("8","3","2","2","3","1","1") = "7"
    & skf18("8","3","2","2","3","2","1") = "7"
    & skf18("8","3","2","2","3","3","1") = "7"
    & skf18("8","3","2","2","3","4","1") = "7"
    & skf18("8","3","2","2","3","5","1") = "7"
    & skf18("8","3","2","2","3","6","1") = "7"
    & skf18("8","3","2","2","3","7","1") = "7"
    & skf18("8","3","2","2","3","8","1") = "7"
    & skf18("8","3","2","2","3","9","1") = "8"
    & skf18("8","3","2","2","3","10","1") = "9"
    & skf18("8","3","2","2","4","1","1") = "7"
    & skf18("8","3","2","2","4","2","1") = "7"
    & skf18("8","3","2","2","4","3","1") = "7"
    & skf18("8","3","2","2","4","4","1") = "7"
    & skf18("8","3","2","2","4","5","1") = "7"
    & skf18("8","3","2","2","4","6","1") = "7"
    & skf18("8","3","2","2","4","7","1") = "7"
    & skf18("8","3","2","2","4","8","1") = "7"
    & skf18("8","3","2","2","4","9","1") = "8"
    & skf18("8","3","2","2","4","10","1") = "9"
    & skf18("8","3","2","2","5","1","1") = "7"
    & skf18("8","3","2","2","5","2","1") = "7"
    & skf18("8","3","2","2","5","3","1") = "7"
    & skf18("8","3","2","2","5","4","1") = "7"
    & skf18("8","3","2","2","5","5","1") = "7"
    & skf18("8","3","2","2","5","6","1") = "7"
    & skf18("8","3","2","2","5","7","1") = "7"
    & skf18("8","3","2","2","5","8","1") = "7"
    & skf18("8","3","2","2","5","9","1") = "8"
    & skf18("8","3","2","2","5","10","1") = "9"
    & skf18("8","3","2","2","6","1","1") = "7"
    & skf18("8","3","2","2","6","2","1") = "7"
    & skf18("8","3","2","2","6","3","1") = "7"
    & skf18("8","3","2","2","6","4","1") = "7"
    & skf18("8","3","2","2","6","5","1") = "7"
    & skf18("8","3","2","2","6","6","1") = "7"
    & skf18("8","3","2","2","6","7","1") = "7"
    & skf18("8","3","2","2","6","8","1") = "7"
    & skf18("8","3","2","2","6","9","1") = "8"
    & skf18("8","3","2","2","6","10","1") = "9"
    & skf18("8","3","2","2","7","1","1") = "7"
    & skf18("8","3","2","2","7","2","1") = "7"
    & skf18("8","3","2","2","7","3","1") = "7"
    & skf18("8","3","2","2","7","4","1") = "7"
    & skf18("8","3","2","2","7","5","1") = "7"
    & skf18("8","3","2","2","7","6","1") = "7"
    & skf18("8","3","2","2","7","7","1") = "7"
    & skf18("8","3","2","2","7","8","1") = "7"
    & skf18("8","3","2","2","7","9","1") = "8"
    & skf18("8","3","2","2","7","10","1") = "9"
    & skf18("8","3","2","2","8","1","1") = "7"
    & skf18("8","3","2","2","8","2","1") = "7"
    & skf18("8","3","2","2","8","3","1") = "7"
    & skf18("8","3","2","2","8","4","1") = "7"
    & skf18("8","3","2","2","8","5","1") = "7"
    & skf18("8","3","2","2","8","6","1") = "7"
    & skf18("8","3","2","2","8","7","1") = "7"
    & skf18("8","3","2","2","8","8","1") = "7"
    & skf18("8","3","2","2","8","9","1") = "8"
    & skf18("8","3","2","2","8","10","1") = "9"
    & skf18("8","3","2","2","9","1","1") = "8"
    & skf18("8","3","2","2","9","2","1") = "8"
    & skf18("8","3","2","2","9","3","1") = "8"
    & skf18("8","3","2","2","9","4","1") = "8"
    & skf18("8","3","2","2","9","5","1") = "8"
    & skf18("8","3","2","2","9","6","1") = "8"
    & skf18("8","3","2","2","9","7","1") = "8"
    & skf18("8","3","2","2","9","8","1") = "8"
    & skf18("8","3","2","2","9","9","1") = "8"
    & skf18("8","3","2","2","9","10","1") = "9"
    & skf18("8","3","2","2","10","1","1") = "9"
    & skf18("8","3","2","2","10","2","1") = "9"
    & skf18("8","3","2","2","10","3","1") = "9"
    & skf18("8","3","2","2","10","4","1") = "9"
    & skf18("8","3","2","2","10","5","1") = "9"
    & skf18("8","3","2","2","10","6","1") = "9"
    & skf18("8","3","2","2","10","7","1") = "9"
    & skf18("8","3","2","2","10","8","1") = "9"
    & skf18("8","3","2","2","10","9","1") = "9"
    & skf18("8","3","2","2","10","10","1") = "9"
    & skf18("8","3","2","3","1","1","1") = "7"
    & skf18("8","3","2","3","1","2","1") = "7"
    & skf18("8","3","2","3","1","3","1") = "7"
    & skf18("8","3","2","3","1","4","1") = "7"
    & skf18("8","3","2","3","1","5","1") = "7"
    & skf18("8","3","2","3","1","6","1") = "7"
    & skf18("8","3","2","3","1","7","1") = "7"
    & skf18("8","3","2","3","1","8","1") = "7"
    & skf18("8","3","2","3","1","9","1") = "8"
    & skf18("8","3","2","3","1","10","1") = "9"
    & skf18("8","3","2","3","2","1","1") = "7"
    & skf18("8","3","2","3","2","2","1") = "7"
    & skf18("8","3","2","3","2","3","1") = "7"
    & skf18("8","3","2","3","2","4","1") = "7"
    & skf18("8","3","2","3","2","5","1") = "7"
    & skf18("8","3","2","3","2","6","1") = "7"
    & skf18("8","3","2","3","2","7","1") = "7"
    & skf18("8","3","2","3","2","8","1") = "7"
    & skf18("8","3","2","3","2","9","1") = "8"
    & skf18("8","3","2","3","2","10","1") = "9"
    & skf18("8","3","2","3","3","1","1") = "7"
    & skf18("8","3","2","3","3","2","1") = "7"
    & skf18("8","3","2","3","3","3","1") = "7"
    & skf18("8","3","2","3","3","4","1") = "7"
    & skf18("8","3","2","3","3","5","1") = "7"
    & skf18("8","3","2","3","3","6","1") = "7"
    & skf18("8","3","2","3","3","7","1") = "7"
    & skf18("8","3","2","3","3","8","1") = "7"
    & skf18("8","3","2","3","3","9","1") = "8"
    & skf18("8","3","2","3","3","10","1") = "9"
    & skf18("8","3","2","3","4","1","1") = "7"
    & skf18("8","3","2","3","4","2","1") = "7"
    & skf18("8","3","2","3","4","3","1") = "7"
    & skf18("8","3","2","3","4","4","1") = "7"
    & skf18("8","3","2","3","4","5","1") = "7"
    & skf18("8","3","2","3","4","6","1") = "7"
    & skf18("8","3","2","3","4","7","1") = "7"
    & skf18("8","3","2","3","4","8","1") = "7"
    & skf18("8","3","2","3","4","9","1") = "8"
    & skf18("8","3","2","3","4","10","1") = "9"
    & skf18("8","3","2","3","5","1","1") = "7"
    & skf18("8","3","2","3","5","2","1") = "7"
    & skf18("8","3","2","3","5","3","1") = "7"
    & skf18("8","3","2","3","5","4","1") = "7"
    & skf18("8","3","2","3","5","5","1") = "7"
    & skf18("8","3","2","3","5","6","1") = "7"
    & skf18("8","3","2","3","5","7","1") = "7"
    & skf18("8","3","2","3","5","8","1") = "7"
    & skf18("8","3","2","3","5","9","1") = "8"
    & skf18("8","3","2","3","5","10","1") = "9"
    & skf18("8","3","2","3","6","1","1") = "7"
    & skf18("8","3","2","3","6","2","1") = "7"
    & skf18("8","3","2","3","6","3","1") = "7"
    & skf18("8","3","2","3","6","4","1") = "7"
    & skf18("8","3","2","3","6","5","1") = "7"
    & skf18("8","3","2","3","6","6","1") = "7"
    & skf18("8","3","2","3","6","7","1") = "7"
    & skf18("8","3","2","3","6","8","1") = "7"
    & skf18("8","3","2","3","6","9","1") = "8"
    & skf18("8","3","2","3","6","10","1") = "9"
    & skf18("8","3","2","3","7","1","1") = "7"
    & skf18("8","3","2","3","7","2","1") = "7"
    & skf18("8","3","2","3","7","3","1") = "7"
    & skf18("8","3","2","3","7","4","1") = "7"
    & skf18("8","3","2","3","7","5","1") = "7"
    & skf18("8","3","2","3","7","6","1") = "7"
    & skf18("8","3","2","3","7","7","1") = "7"
    & skf18("8","3","2","3","7","8","1") = "7"
    & skf18("8","3","2","3","7","9","1") = "8"
    & skf18("8","3","2","3","7","10","1") = "9"
    & skf18("8","3","2","3","8","1","1") = "7"
    & skf18("8","3","2","3","8","2","1") = "7"
    & skf18("8","3","2","3","8","3","1") = "7"
    & skf18("8","3","2","3","8","4","1") = "7"
    & skf18("8","3","2","3","8","5","1") = "7"
    & skf18("8","3","2","3","8","6","1") = "7"
    & skf18("8","3","2","3","8","7","1") = "7"
    & skf18("8","3","2","3","8","8","1") = "7"
    & skf18("8","3","2","3","8","9","1") = "8"
    & skf18("8","3","2","3","8","10","1") = "9"
    & skf18("8","3","2","3","9","1","1") = "8"
    & skf18("8","3","2","3","9","2","1") = "8"
    & skf18("8","3","2","3","9","3","1") = "8"
    & skf18("8","3","2","3","9","4","1") = "8"
    & skf18("8","3","2","3","9","5","1") = "8"
    & skf18("8","3","2","3","9","6","1") = "8"
    & skf18("8","3","2","3","9","7","1") = "8"
    & skf18("8","3","2","3","9","8","1") = "8"
    & skf18("8","3","2","3","9","9","1") = "8"
    & skf18("8","3","2","3","9","10","1") = "9"
    & skf18("8","3","2","3","10","1","1") = "9"
    & skf18("8","3","2","3","10","2","1") = "9"
    & skf18("8","3","2","3","10","3","1") = "9"
    & skf18("8","3","2","3","10","4","1") = "9"
    & skf18("8","3","2","3","10","5","1") = "9"
    & skf18("8","3","2","3","10","6","1") = "9"
    & skf18("8","3","2","3","10","7","1") = "9"
    & skf18("8","3","2","3","10","8","1") = "9"
    & skf18("8","3","2","3","10","9","1") = "9"
    & skf18("8","3","2","3","10","10","1") = "9"
    & skf18("8","3","2","4","1","1","1") = "7"
    & skf18("8","3","2","4","1","2","1") = "7"
    & skf18("8","3","2","4","1","3","1") = "7"
    & skf18("8","3","2","4","1","4","1") = "7"
    & skf18("8","3","2","4","1","5","1") = "7"
    & skf18("8","3","2","4","1","6","1") = "7"
    & skf18("8","3","2","4","1","7","1") = "7"
    & skf18("8","3","2","4","1","8","1") = "7"
    & skf18("8","3","2","4","1","9","1") = "8"
    & skf18("8","3","2","4","1","10","1") = "9"
    & skf18("8","3","2","4","2","1","1") = "7"
    & skf18("8","3","2","4","2","2","1") = "7"
    & skf18("8","3","2","4","2","3","1") = "7"
    & skf18("8","3","2","4","2","4","1") = "7"
    & skf18("8","3","2","4","2","5","1") = "7"
    & skf18("8","3","2","4","2","6","1") = "7"
    & skf18("8","3","2","4","2","7","1") = "7"
    & skf18("8","3","2","4","2","8","1") = "7"
    & skf18("8","3","2","4","2","9","1") = "8"
    & skf18("8","3","2","4","2","10","1") = "9"
    & skf18("8","3","2","4","3","1","1") = "7"
    & skf18("8","3","2","4","3","2","1") = "7"
    & skf18("8","3","2","4","3","3","1") = "7"
    & skf18("8","3","2","4","3","4","1") = "7"
    & skf18("8","3","2","4","3","5","1") = "7"
    & skf18("8","3","2","4","3","6","1") = "7"
    & skf18("8","3","2","4","3","7","1") = "7"
    & skf18("8","3","2","4","3","8","1") = "7"
    & skf18("8","3","2","4","3","9","1") = "8"
    & skf18("8","3","2","4","3","10","1") = "9"
    & skf18("8","3","2","4","4","1","1") = "7"
    & skf18("8","3","2","4","4","2","1") = "7"
    & skf18("8","3","2","4","4","3","1") = "7"
    & skf18("8","3","2","4","4","4","1") = "7"
    & skf18("8","3","2","4","4","5","1") = "7"
    & skf18("8","3","2","4","4","6","1") = "7"
    & skf18("8","3","2","4","4","7","1") = "7"
    & skf18("8","3","2","4","4","8","1") = "7"
    & skf18("8","3","2","4","4","9","1") = "8"
    & skf18("8","3","2","4","4","10","1") = "9"
    & skf18("8","3","2","4","5","1","1") = "7"
    & skf18("8","3","2","4","5","2","1") = "7"
    & skf18("8","3","2","4","5","3","1") = "7"
    & skf18("8","3","2","4","5","4","1") = "7"
    & skf18("8","3","2","4","5","5","1") = "7"
    & skf18("8","3","2","4","5","6","1") = "7"
    & skf18("8","3","2","4","5","7","1") = "7"
    & skf18("8","3","2","4","5","8","1") = "7"
    & skf18("8","3","2","4","5","9","1") = "8"
    & skf18("8","3","2","4","5","10","1") = "9"
    & skf18("8","3","2","4","6","1","1") = "7"
    & skf18("8","3","2","4","6","2","1") = "7"
    & skf18("8","3","2","4","6","3","1") = "7"
    & skf18("8","3","2","4","6","4","1") = "7"
    & skf18("8","3","2","4","6","5","1") = "7"
    & skf18("8","3","2","4","6","6","1") = "7"
    & skf18("8","3","2","4","6","7","1") = "7"
    & skf18("8","3","2","4","6","8","1") = "7"
    & skf18("8","3","2","4","6","9","1") = "8"
    & skf18("8","3","2","4","6","10","1") = "9"
    & skf18("8","3","2","4","7","1","1") = "7"
    & skf18("8","3","2","4","7","2","1") = "7"
    & skf18("8","3","2","4","7","3","1") = "7"
    & skf18("8","3","2","4","7","4","1") = "7"
    & skf18("8","3","2","4","7","5","1") = "7"
    & skf18("8","3","2","4","7","6","1") = "7"
    & skf18("8","3","2","4","7","7","1") = "7"
    & skf18("8","3","2","4","7","8","1") = "7"
    & skf18("8","3","2","4","7","9","1") = "8"
    & skf18("8","3","2","4","7","10","1") = "9"
    & skf18("8","3","2","4","8","1","1") = "7"
    & skf18("8","3","2","4","8","2","1") = "7"
    & skf18("8","3","2","4","8","3","1") = "7"
    & skf18("8","3","2","4","8","4","1") = "7"
    & skf18("8","3","2","4","8","5","1") = "7"
    & skf18("8","3","2","4","8","6","1") = "7"
    & skf18("8","3","2","4","8","7","1") = "7"
    & skf18("8","3","2","4","8","8","1") = "7"
    & skf18("8","3","2","4","8","9","1") = "8"
    & skf18("8","3","2","4","8","10","1") = "9"
    & skf18("8","3","2","4","9","1","1") = "8"
    & skf18("8","3","2","4","9","2","1") = "8"
    & skf18("8","3","2","4","9","3","1") = "8"
    & skf18("8","3","2","4","9","4","1") = "8"
    & skf18("8","3","2","4","9","5","1") = "8"
    & skf18("8","3","2","4","9","6","1") = "8"
    & skf18("8","3","2","4","9","7","1") = "8"
    & skf18("8","3","2","4","9","8","1") = "8"
    & skf18("8","3","2","4","9","9","1") = "8"
    & skf18("8","3","2","4","9","10","1") = "9"
    & skf18("8","3","2","4","10","1","1") = "9"
    & skf18("8","3","2","4","10","2","1") = "9"
    & skf18("8","3","2","4","10","3","1") = "9"
    & skf18("8","3","2","4","10","4","1") = "9"
    & skf18("8","3","2","4","10","5","1") = "9"
    & skf18("8","3","2","4","10","6","1") = "9"
    & skf18("8","3","2","4","10","7","1") = "9"
    & skf18("8","3","2","4","10","8","1") = "9"
    & skf18("8","3","2","4","10","9","1") = "9"
    & skf18("8","3","2","4","10","10","1") = "9"
    & skf18("8","3","2","5","1","1","1") = "7"
    & skf18("8","3","2","5","1","2","1") = "7"
    & skf18("8","3","2","5","1","3","1") = "7"
    & skf18("8","3","2","5","1","4","1") = "7"
    & skf18("8","3","2","5","1","5","1") = "7"
    & skf18("8","3","2","5","1","6","1") = "7"
    & skf18("8","3","2","5","1","7","1") = "7"
    & skf18("8","3","2","5","1","8","1") = "7"
    & skf18("8","3","2","5","1","9","1") = "8"
    & skf18("8","3","2","5","1","10","1") = "9"
    & skf18("8","3","2","5","2","1","1") = "7"
    & skf18("8","3","2","5","2","2","1") = "7"
    & skf18("8","3","2","5","2","3","1") = "7"
    & skf18("8","3","2","5","2","4","1") = "7"
    & skf18("8","3","2","5","2","5","1") = "7"
    & skf18("8","3","2","5","2","6","1") = "7"
    & skf18("8","3","2","5","2","7","1") = "7"
    & skf18("8","3","2","5","2","8","1") = "7"
    & skf18("8","3","2","5","2","9","1") = "8"
    & skf18("8","3","2","5","2","10","1") = "9"
    & skf18("8","3","2","5","3","1","1") = "7"
    & skf18("8","3","2","5","3","2","1") = "7"
    & skf18("8","3","2","5","3","3","1") = "7"
    & skf18("8","3","2","5","3","4","1") = "7"
    & skf18("8","3","2","5","3","5","1") = "7"
    & skf18("8","3","2","5","3","6","1") = "7"
    & skf18("8","3","2","5","3","7","1") = "7"
    & skf18("8","3","2","5","3","8","1") = "7"
    & skf18("8","3","2","5","3","9","1") = "8"
    & skf18("8","3","2","5","3","10","1") = "9"
    & skf18("8","3","2","5","4","1","1") = "7"
    & skf18("8","3","2","5","4","2","1") = "7"
    & skf18("8","3","2","5","4","3","1") = "7"
    & skf18("8","3","2","5","4","4","1") = "7"
    & skf18("8","3","2","5","4","5","1") = "7"
    & skf18("8","3","2","5","4","6","1") = "7"
    & skf18("8","3","2","5","4","7","1") = "7"
    & skf18("8","3","2","5","4","8","1") = "7"
    & skf18("8","3","2","5","4","9","1") = "8"
    & skf18("8","3","2","5","4","10","1") = "9"
    & skf18("8","3","2","5","5","1","1") = "7"
    & skf18("8","3","2","5","5","2","1") = "7"
    & skf18("8","3","2","5","5","3","1") = "7"
    & skf18("8","3","2","5","5","4","1") = "7"
    & skf18("8","3","2","5","5","5","1") = "7"
    & skf18("8","3","2","5","5","6","1") = "7"
    & skf18("8","3","2","5","5","7","1") = "7"
    & skf18("8","3","2","5","5","8","1") = "7"
    & skf18("8","3","2","5","5","9","1") = "8"
    & skf18("8","3","2","5","5","10","1") = "9"
    & skf18("8","3","2","5","6","1","1") = "7"
    & skf18("8","3","2","5","6","2","1") = "7"
    & skf18("8","3","2","5","6","3","1") = "7"
    & skf18("8","3","2","5","6","4","1") = "7"
    & skf18("8","3","2","5","6","5","1") = "7"
    & skf18("8","3","2","5","6","6","1") = "7"
    & skf18("8","3","2","5","6","7","1") = "7"
    & skf18("8","3","2","5","6","8","1") = "7"
    & skf18("8","3","2","5","6","9","1") = "8"
    & skf18("8","3","2","5","6","10","1") = "9"
    & skf18("8","3","2","5","7","1","1") = "7"
    & skf18("8","3","2","5","7","2","1") = "7"
    & skf18("8","3","2","5","7","3","1") = "7"
    & skf18("8","3","2","5","7","4","1") = "7"
    & skf18("8","3","2","5","7","5","1") = "7"
    & skf18("8","3","2","5","7","6","1") = "7"
    & skf18("8","3","2","5","7","7","1") = "7"
    & skf18("8","3","2","5","7","8","1") = "7"
    & skf18("8","3","2","5","7","9","1") = "8"
    & skf18("8","3","2","5","7","10","1") = "9"
    & skf18("8","3","2","5","8","1","1") = "7"
    & skf18("8","3","2","5","8","2","1") = "7"
    & skf18("8","3","2","5","8","3","1") = "7"
    & skf18("8","3","2","5","8","4","1") = "7"
    & skf18("8","3","2","5","8","5","1") = "7"
    & skf18("8","3","2","5","8","6","1") = "7"
    & skf18("8","3","2","5","8","7","1") = "7"
    & skf18("8","3","2","5","8","8","1") = "7"
    & skf18("8","3","2","5","8","9","1") = "8"
    & skf18("8","3","2","5","8","10","1") = "9"
    & skf18("8","3","2","5","9","1","1") = "8"
    & skf18("8","3","2","5","9","2","1") = "8"
    & skf18("8","3","2","5","9","3","1") = "8"
    & skf18("8","3","2","5","9","4","1") = "8"
    & skf18("8","3","2","5","9","5","1") = "8"
    & skf18("8","3","2","5","9","6","1") = "8"
    & skf18("8","3","2","5","9","7","1") = "8"
    & skf18("8","3","2","5","9","8","1") = "8"
    & skf18("8","3","2","5","9","9","1") = "8"
    & skf18("8","3","2","5","9","10","1") = "9"
    & skf18("8","3","2","5","10","1","1") = "9"
    & skf18("8","3","2","5","10","2","1") = "9"
    & skf18("8","3","2","5","10","3","1") = "9"
    & skf18("8","3","2","5","10","4","1") = "9"
    & skf18("8","3","2","5","10","5","1") = "9"
    & skf18("8","3","2","5","10","6","1") = "9"
    & skf18("8","3","2","5","10","7","1") = "9"
    & skf18("8","3","2","5","10","8","1") = "9"
    & skf18("8","3","2","5","10","9","1") = "9"
    & skf18("8","3","2","5","10","10","1") = "9"
    & skf18("8","3","2","6","1","1","1") = "7"
    & skf18("8","3","2","6","1","2","1") = "7"
    & skf18("8","3","2","6","1","3","1") = "7"
    & skf18("8","3","2","6","1","4","1") = "7"
    & skf18("8","3","2","6","1","5","1") = "7"
    & skf18("8","3","2","6","1","6","1") = "7"
    & skf18("8","3","2","6","1","7","1") = "7"
    & skf18("8","3","2","6","1","8","1") = "7"
    & skf18("8","3","2","6","1","9","1") = "8"
    & skf18("8","3","2","6","1","10","1") = "9"
    & skf18("8","3","2","6","2","1","1") = "7"
    & skf18("8","3","2","6","2","2","1") = "7"
    & skf18("8","3","2","6","2","3","1") = "7"
    & skf18("8","3","2","6","2","4","1") = "7"
    & skf18("8","3","2","6","2","5","1") = "7"
    & skf18("8","3","2","6","2","6","1") = "7"
    & skf18("8","3","2","6","2","7","1") = "7"
    & skf18("8","3","2","6","2","8","1") = "7"
    & skf18("8","3","2","6","2","9","1") = "8"
    & skf18("8","3","2","6","2","10","1") = "9"
    & skf18("8","3","2","6","3","1","1") = "7"
    & skf18("8","3","2","6","3","2","1") = "7"
    & skf18("8","3","2","6","3","3","1") = "7"
    & skf18("8","3","2","6","3","4","1") = "7"
    & skf18("8","3","2","6","3","5","1") = "7"
    & skf18("8","3","2","6","3","6","1") = "7"
    & skf18("8","3","2","6","3","7","1") = "7"
    & skf18("8","3","2","6","3","8","1") = "7"
    & skf18("8","3","2","6","3","9","1") = "8"
    & skf18("8","3","2","6","3","10","1") = "9"
    & skf18("8","3","2","6","4","1","1") = "7"
    & skf18("8","3","2","6","4","2","1") = "7"
    & skf18("8","3","2","6","4","3","1") = "7"
    & skf18("8","3","2","6","4","4","1") = "7"
    & skf18("8","3","2","6","4","5","1") = "7"
    & skf18("8","3","2","6","4","6","1") = "7"
    & skf18("8","3","2","6","4","7","1") = "7"
    & skf18("8","3","2","6","4","8","1") = "7"
    & skf18("8","3","2","6","4","9","1") = "8"
    & skf18("8","3","2","6","4","10","1") = "9"
    & skf18("8","3","2","6","5","1","1") = "7"
    & skf18("8","3","2","6","5","2","1") = "7"
    & skf18("8","3","2","6","5","3","1") = "7"
    & skf18("8","3","2","6","5","4","1") = "7"
    & skf18("8","3","2","6","5","5","1") = "7"
    & skf18("8","3","2","6","5","6","1") = "7"
    & skf18("8","3","2","6","5","7","1") = "7"
    & skf18("8","3","2","6","5","8","1") = "7"
    & skf18("8","3","2","6","5","9","1") = "8"
    & skf18("8","3","2","6","5","10","1") = "9"
    & skf18("8","3","2","6","6","1","1") = "7"
    & skf18("8","3","2","6","6","2","1") = "7"
    & skf18("8","3","2","6","6","3","1") = "7"
    & skf18("8","3","2","6","6","4","1") = "7"
    & skf18("8","3","2","6","6","5","1") = "7"
    & skf18("8","3","2","6","6","6","1") = "7"
    & skf18("8","3","2","6","6","7","1") = "7"
    & skf18("8","3","2","6","6","8","1") = "7"
    & skf18("8","3","2","6","6","9","1") = "8"
    & skf18("8","3","2","6","6","10","1") = "9"
    & skf18("8","3","2","6","7","1","1") = "7"
    & skf18("8","3","2","6","7","2","1") = "7"
    & skf18("8","3","2","6","7","3","1") = "7"
    & skf18("8","3","2","6","7","4","1") = "7"
    & skf18("8","3","2","6","7","5","1") = "7"
    & skf18("8","3","2","6","7","6","1") = "7"
    & skf18("8","3","2","6","7","7","1") = "7"
    & skf18("8","3","2","6","7","8","1") = "7"
    & skf18("8","3","2","6","7","9","1") = "8"
    & skf18("8","3","2","6","7","10","1") = "9"
    & skf18("8","3","2","6","8","1","1") = "7"
    & skf18("8","3","2","6","8","2","1") = "7"
    & skf18("8","3","2","6","8","3","1") = "7"
    & skf18("8","3","2","6","8","4","1") = "7"
    & skf18("8","3","2","6","8","5","1") = "7"
    & skf18("8","3","2","6","8","6","1") = "7"
    & skf18("8","3","2","6","8","7","1") = "7"
    & skf18("8","3","2","6","8","8","1") = "7"
    & skf18("8","3","2","6","8","9","1") = "8"
    & skf18("8","3","2","6","8","10","1") = "9"
    & skf18("8","3","2","6","9","1","1") = "8"
    & skf18("8","3","2","6","9","2","1") = "8"
    & skf18("8","3","2","6","9","3","1") = "8"
    & skf18("8","3","2","6","9","4","1") = "8"
    & skf18("8","3","2","6","9","5","1") = "8"
    & skf18("8","3","2","6","9","6","1") = "8"
    & skf18("8","3","2","6","9","7","1") = "8"
    & skf18("8","3","2","6","9","8","1") = "8"
    & skf18("8","3","2","6","9","9","1") = "8"
    & skf18("8","3","2","6","9","10","1") = "9"
    & skf18("8","3","2","6","10","1","1") = "9"
    & skf18("8","3","2","6","10","2","1") = "9"
    & skf18("8","3","2","6","10","3","1") = "9"
    & skf18("8","3","2","6","10","4","1") = "9"
    & skf18("8","3","2","6","10","5","1") = "9"
    & skf18("8","3","2","6","10","6","1") = "9"
    & skf18("8","3","2","6","10","7","1") = "9"
    & skf18("8","3","2","6","10","8","1") = "9"
    & skf18("8","3","2","6","10","9","1") = "9"
    & skf18("8","3","2","6","10","10","1") = "9"
    & skf18("8","3","2","7","1","1","1") = "7"
    & skf18("8","3","2","7","1","2","1") = "7"
    & skf18("8","3","2","7","1","3","1") = "7"
    & skf18("8","3","2","7","1","4","1") = "7"
    & skf18("8","3","2","7","1","5","1") = "7"
    & skf18("8","3","2","7","1","6","1") = "7"
    & skf18("8","3","2","7","1","7","1") = "7"
    & skf18("8","3","2","7","1","8","1") = "7"
    & skf18("8","3","2","7","1","9","1") = "8"
    & skf18("8","3","2","7","1","10","1") = "9"
    & skf18("8","3","2","7","2","1","1") = "7"
    & skf18("8","3","2","7","2","2","1") = "7"
    & skf18("8","3","2","7","2","3","1") = "7"
    & skf18("8","3","2","7","2","4","1") = "7"
    & skf18("8","3","2","7","2","5","1") = "7"
    & skf18("8","3","2","7","2","6","1") = "7"
    & skf18("8","3","2","7","2","7","1") = "7"
    & skf18("8","3","2","7","2","8","1") = "7"
    & skf18("8","3","2","7","2","9","1") = "8"
    & skf18("8","3","2","7","2","10","1") = "9"
    & skf18("8","3","2","7","3","1","1") = "7"
    & skf18("8","3","2","7","3","2","1") = "7"
    & skf18("8","3","2","7","3","3","1") = "7"
    & skf18("8","3","2","7","3","4","1") = "7"
    & skf18("8","3","2","7","3","5","1") = "7"
    & skf18("8","3","2","7","3","6","1") = "7"
    & skf18("8","3","2","7","3","7","1") = "7"
    & skf18("8","3","2","7","3","8","1") = "7"
    & skf18("8","3","2","7","3","9","1") = "8"
    & skf18("8","3","2","7","3","10","1") = "9"
    & skf18("8","3","2","7","4","1","1") = "7"
    & skf18("8","3","2","7","4","2","1") = "7"
    & skf18("8","3","2","7","4","3","1") = "7"
    & skf18("8","3","2","7","4","4","1") = "7"
    & skf18("8","3","2","7","4","5","1") = "7"
    & skf18("8","3","2","7","4","6","1") = "7"
    & skf18("8","3","2","7","4","7","1") = "7"
    & skf18("8","3","2","7","4","8","1") = "7"
    & skf18("8","3","2","7","4","9","1") = "8"
    & skf18("8","3","2","7","4","10","1") = "9"
    & skf18("8","3","2","7","5","1","1") = "7"
    & skf18("8","3","2","7","5","2","1") = "7"
    & skf18("8","3","2","7","5","3","1") = "7"
    & skf18("8","3","2","7","5","4","1") = "7"
    & skf18("8","3","2","7","5","5","1") = "7"
    & skf18("8","3","2","7","5","6","1") = "7"
    & skf18("8","3","2","7","5","7","1") = "7"
    & skf18("8","3","2","7","5","8","1") = "7"
    & skf18("8","3","2","7","5","9","1") = "8"
    & skf18("8","3","2","7","5","10","1") = "9"
    & skf18("8","3","2","7","6","1","1") = "7"
    & skf18("8","3","2","7","6","2","1") = "7"
    & skf18("8","3","2","7","6","3","1") = "7"
    & skf18("8","3","2","7","6","4","1") = "7"
    & skf18("8","3","2","7","6","5","1") = "7"
    & skf18("8","3","2","7","6","6","1") = "7"
    & skf18("8","3","2","7","6","7","1") = "7"
    & skf18("8","3","2","7","6","8","1") = "7"
    & skf18("8","3","2","7","6","9","1") = "8"
    & skf18("8","3","2","7","6","10","1") = "9"
    & skf18("8","3","2","7","7","1","1") = "7"
    & skf18("8","3","2","7","7","2","1") = "7"
    & skf18("8","3","2","7","7","3","1") = "7"
    & skf18("8","3","2","7","7","4","1") = "7"
    & skf18("8","3","2","7","7","5","1") = "7"
    & skf18("8","3","2","7","7","6","1") = "7"
    & skf18("8","3","2","7","7","7","1") = "7"
    & skf18("8","3","2","7","7","8","1") = "7"
    & skf18("8","3","2","7","7","9","1") = "8"
    & skf18("8","3","2","7","7","10","1") = "9"
    & skf18("8","3","2","7","8","1","1") = "7"
    & skf18("8","3","2","7","8","2","1") = "7"
    & skf18("8","3","2","7","8","3","1") = "7"
    & skf18("8","3","2","7","8","4","1") = "7"
    & skf18("8","3","2","7","8","5","1") = "7"
    & skf18("8","3","2","7","8","6","1") = "7"
    & skf18("8","3","2","7","8","7","1") = "7"
    & skf18("8","3","2","7","8","8","1") = "7"
    & skf18("8","3","2","7","8","9","1") = "8"
    & skf18("8","3","2","7","8","10","1") = "9"
    & skf18("8","3","2","7","9","1","1") = "8"
    & skf18("8","3","2","7","9","2","1") = "8"
    & skf18("8","3","2","7","9","3","1") = "8"
    & skf18("8","3","2","7","9","4","1") = "8"
    & skf18("8","3","2","7","9","5","1") = "8"
    & skf18("8","3","2","7","9","6","1") = "8"
    & skf18("8","3","2","7","9","7","1") = "8"
    & skf18("8","3","2","7","9","8","1") = "8"
    & skf18("8","3","2","7","9","9","1") = "8"
    & skf18("8","3","2","7","9","10","1") = "9"
    & skf18("8","3","2","7","10","1","1") = "9"
    & skf18("8","3","2","7","10","2","1") = "9"
    & skf18("8","3","2","7","10","3","1") = "9"
    & skf18("8","3","2","7","10","4","1") = "9"
    & skf18("8","3","2","7","10","5","1") = "9"
    & skf18("8","3","2","7","10","6","1") = "9"
    & skf18("8","3","2","7","10","7","1") = "9"
    & skf18("8","3","2","7","10","8","1") = "9"
    & skf18("8","3","2","7","10","9","1") = "9"
    & skf18("8","3","2","7","10","10","1") = "9"
    & skf18("8","3","2","8","1","1","1") = "7"
    & skf18("8","3","2","8","1","2","1") = "7"
    & skf18("8","3","2","8","1","3","1") = "7"
    & skf18("8","3","2","8","1","4","1") = "7"
    & skf18("8","3","2","8","1","5","1") = "7"
    & skf18("8","3","2","8","1","6","1") = "7"
    & skf18("8","3","2","8","1","7","1") = "7"
    & skf18("8","3","2","8","1","8","1") = "7"
    & skf18("8","3","2","8","1","9","1") = "8"
    & skf18("8","3","2","8","1","10","1") = "9"
    & skf18("8","3","2","8","2","1","1") = "7"
    & skf18("8","3","2","8","2","2","1") = "7"
    & skf18("8","3","2","8","2","3","1") = "7"
    & skf18("8","3","2","8","2","4","1") = "7"
    & skf18("8","3","2","8","2","5","1") = "7"
    & skf18("8","3","2","8","2","6","1") = "7"
    & skf18("8","3","2","8","2","7","1") = "7"
    & skf18("8","3","2","8","2","8","1") = "7"
    & skf18("8","3","2","8","2","9","1") = "8"
    & skf18("8","3","2","8","2","10","1") = "9"
    & skf18("8","3","2","8","3","1","1") = "7"
    & skf18("8","3","2","8","3","2","1") = "7"
    & skf18("8","3","2","8","3","3","1") = "7"
    & skf18("8","3","2","8","3","4","1") = "7"
    & skf18("8","3","2","8","3","5","1") = "7"
    & skf18("8","3","2","8","3","6","1") = "7"
    & skf18("8","3","2","8","3","7","1") = "7"
    & skf18("8","3","2","8","3","8","1") = "7"
    & skf18("8","3","2","8","3","9","1") = "8"
    & skf18("8","3","2","8","3","10","1") = "9"
    & skf18("8","3","2","8","4","1","1") = "7"
    & skf18("8","3","2","8","4","2","1") = "7"
    & skf18("8","3","2","8","4","3","1") = "7"
    & skf18("8","3","2","8","4","4","1") = "7"
    & skf18("8","3","2","8","4","5","1") = "7"
    & skf18("8","3","2","8","4","6","1") = "7"
    & skf18("8","3","2","8","4","7","1") = "7"
    & skf18("8","3","2","8","4","8","1") = "7"
    & skf18("8","3","2","8","4","9","1") = "8"
    & skf18("8","3","2","8","4","10","1") = "9"
    & skf18("8","3","2","8","5","1","1") = "7"
    & skf18("8","3","2","8","5","2","1") = "7"
    & skf18("8","3","2","8","5","3","1") = "7"
    & skf18("8","3","2","8","5","4","1") = "7"
    & skf18("8","3","2","8","5","5","1") = "7"
    & skf18("8","3","2","8","5","6","1") = "7"
    & skf18("8","3","2","8","5","7","1") = "7"
    & skf18("8","3","2","8","5","8","1") = "7"
    & skf18("8","3","2","8","5","9","1") = "8"
    & skf18("8","3","2","8","5","10","1") = "9"
    & skf18("8","3","2","8","6","1","1") = "7"
    & skf18("8","3","2","8","6","2","1") = "7"
    & skf18("8","3","2","8","6","3","1") = "7"
    & skf18("8","3","2","8","6","4","1") = "7"
    & skf18("8","3","2","8","6","5","1") = "7"
    & skf18("8","3","2","8","6","6","1") = "7"
    & skf18("8","3","2","8","6","7","1") = "7"
    & skf18("8","3","2","8","6","8","1") = "7"
    & skf18("8","3","2","8","6","9","1") = "8"
    & skf18("8","3","2","8","6","10","1") = "9"
    & skf18("8","3","2","8","7","1","1") = "7"
    & skf18("8","3","2","8","7","2","1") = "7"
    & skf18("8","3","2","8","7","3","1") = "7"
    & skf18("8","3","2","8","7","4","1") = "7"
    & skf18("8","3","2","8","7","5","1") = "7"
    & skf18("8","3","2","8","7","6","1") = "7"
    & skf18("8","3","2","8","7","7","1") = "7"
    & skf18("8","3","2","8","7","8","1") = "7"
    & skf18("8","3","2","8","7","9","1") = "8"
    & skf18("8","3","2","8","7","10","1") = "9"
    & skf18("8","3","2","8","8","1","1") = "7"
    & skf18("8","3","2","8","8","2","1") = "7"
    & skf18("8","3","2","8","8","3","1") = "7"
    & skf18("8","3","2","8","8","4","1") = "7"
    & skf18("8","3","2","8","8","5","1") = "7"
    & skf18("8","3","2","8","8","6","1") = "7"
    & skf18("8","3","2","8","8","7","1") = "7"
    & skf18("8","3","2","8","8","8","1") = "7"
    & skf18("8","3","2","8","8","9","1") = "8"
    & skf18("8","3","2","8","8","10","1") = "9"
    & skf18("8","3","2","8","9","1","1") = "8"
    & skf18("8","3","2","8","9","2","1") = "8"
    & skf18("8","3","2","8","9","3","1") = "8"
    & skf18("8","3","2","8","9","4","1") = "8"
    & skf18("8","3","2","8","9","5","1") = "8"
    & skf18("8","3","2","8","9","6","1") = "8"
    & skf18("8","3","2","8","9","7","1") = "8"
    & skf18("8","3","2","8","9","8","1") = "8"
    & skf18("8","3","2","8","9","9","1") = "8"
    & skf18("8","3","2","8","9","10","1") = "9"
    & skf18("8","3","2","8","10","1","1") = "9"
    & skf18("8","3","2","8","10","2","1") = "9"
    & skf18("8","3","2","8","10","3","1") = "9"
    & skf18("8","3","2","8","10","4","1") = "9"
    & skf18("8","3","2","8","10","5","1") = "9"
    & skf18("8","3","2","8","10","6","1") = "9"
    & skf18("8","3","2","8","10","7","1") = "9"
    & skf18("8","3","2","8","10","8","1") = "9"
    & skf18("8","3","2","8","10","9","1") = "9"
    & skf18("8","3","2","8","10","10","1") = "9"
    & skf18("8","3","2","9","1","1","1") = "8"
    & skf18("8","3","2","9","1","2","1") = "8"
    & skf18("8","3","2","9","1","3","1") = "8"
    & skf18("8","3","2","9","1","4","1") = "8"
    & skf18("8","3","2","9","1","5","1") = "8"
    & skf18("8","3","2","9","1","6","1") = "8"
    & skf18("8","3","2","9","1","7","1") = "8"
    & skf18("8","3","2","9","1","8","1") = "8"
    & skf18("8","3","2","9","1","9","1") = "8"
    & skf18("8","3","2","9","1","10","1") = "9"
    & skf18("8","3","2","9","2","1","1") = "8"
    & skf18("8","3","2","9","2","2","1") = "8"
    & skf18("8","3","2","9","2","3","1") = "8"
    & skf18("8","3","2","9","2","4","1") = "8"
    & skf18("8","3","2","9","2","5","1") = "8"
    & skf18("8","3","2","9","2","6","1") = "8"
    & skf18("8","3","2","9","2","7","1") = "8"
    & skf18("8","3","2","9","2","8","1") = "8"
    & skf18("8","3","2","9","2","9","1") = "8"
    & skf18("8","3","2","9","2","10","1") = "9"
    & skf18("8","3","2","9","3","1","1") = "8"
    & skf18("8","3","2","9","3","2","1") = "8"
    & skf18("8","3","2","9","3","3","1") = "8"
    & skf18("8","3","2","9","3","4","1") = "8"
    & skf18("8","3","2","9","3","5","1") = "8"
    & skf18("8","3","2","9","3","6","1") = "8"
    & skf18("8","3","2","9","3","7","1") = "8"
    & skf18("8","3","2","9","3","8","1") = "8"
    & skf18("8","3","2","9","3","9","1") = "8"
    & skf18("8","3","2","9","3","10","1") = "9"
    & skf18("8","3","2","9","4","1","1") = "8"
    & skf18("8","3","2","9","4","2","1") = "8"
    & skf18("8","3","2","9","4","3","1") = "8"
    & skf18("8","3","2","9","4","4","1") = "8"
    & skf18("8","3","2","9","4","5","1") = "8"
    & skf18("8","3","2","9","4","6","1") = "8"
    & skf18("8","3","2","9","4","7","1") = "8"
    & skf18("8","3","2","9","4","8","1") = "8"
    & skf18("8","3","2","9","4","9","1") = "8"
    & skf18("8","3","2","9","4","10","1") = "9"
    & skf18("8","3","2","9","5","1","1") = "8"
    & skf18("8","3","2","9","5","2","1") = "8"
    & skf18("8","3","2","9","5","3","1") = "8"
    & skf18("8","3","2","9","5","4","1") = "8"
    & skf18("8","3","2","9","5","5","1") = "8"
    & skf18("8","3","2","9","5","6","1") = "8"
    & skf18("8","3","2","9","5","7","1") = "8"
    & skf18("8","3","2","9","5","8","1") = "8"
    & skf18("8","3","2","9","5","9","1") = "8"
    & skf18("8","3","2","9","5","10","1") = "9"
    & skf18("8","3","2","9","6","1","1") = "8"
    & skf18("8","3","2","9","6","2","1") = "8"
    & skf18("8","3","2","9","6","3","1") = "8"
    & skf18("8","3","2","9","6","4","1") = "8"
    & skf18("8","3","2","9","6","5","1") = "8"
    & skf18("8","3","2","9","6","6","1") = "8"
    & skf18("8","3","2","9","6","7","1") = "8"
    & skf18("8","3","2","9","6","8","1") = "8"
    & skf18("8","3","2","9","6","9","1") = "8"
    & skf18("8","3","2","9","6","10","1") = "9"
    & skf18("8","3","2","9","7","1","1") = "8"
    & skf18("8","3","2","9","7","2","1") = "8"
    & skf18("8","3","2","9","7","3","1") = "8"
    & skf18("8","3","2","9","7","4","1") = "8"
    & skf18("8","3","2","9","7","5","1") = "8"
    & skf18("8","3","2","9","7","6","1") = "8"
    & skf18("8","3","2","9","7","7","1") = "8"
    & skf18("8","3","2","9","7","8","1") = "8"
    & skf18("8","3","2","9","7","9","1") = "8"
    & skf18("8","3","2","9","7","10","1") = "9"
    & skf18("8","3","2","9","8","1","1") = "8"
    & skf18("8","3","2","9","8","2","1") = "8"
    & skf18("8","3","2","9","8","3","1") = "8"
    & skf18("8","3","2","9","8","4","1") = "8"
    & skf18("8","3","2","9","8","5","1") = "8"
    & skf18("8","3","2","9","8","6","1") = "8"
    & skf18("8","3","2","9","8","7","1") = "8"
    & skf18("8","3","2","9","8","8","1") = "8"
    & skf18("8","3","2","9","8","9","1") = "8"
    & skf18("8","3","2","9","8","10","1") = "9"
    & skf18("8","3","2","9","9","1","1") = "8"
    & skf18("8","3","2","9","9","2","1") = "8"
    & skf18("8","3","2","9","9","3","1") = "8"
    & skf18("8","3","2","9","9","4","1") = "8"
    & skf18("8","3","2","9","9","5","1") = "8"
    & skf18("8","3","2","9","9","6","1") = "8"
    & skf18("8","3","2","9","9","7","1") = "8"
    & skf18("8","3","2","9","9","8","1") = "8"
    & skf18("8","3","2","9","9","9","1") = "8"
    & skf18("8","3","2","9","9","10","1") = "9"
    & skf18("8","3","2","9","10","1","1") = "9"
    & skf18("8","3","2","9","10","2","1") = "9"
    & skf18("8","3","2","9","10","3","1") = "9"
    & skf18("8","3","2","9","10","4","1") = "9"
    & skf18("8","3","2","9","10","5","1") = "9"
    & skf18("8","3","2","9","10","6","1") = "9"
    & skf18("8","3","2","9","10","7","1") = "9"
    & skf18("8","3","2","9","10","8","1") = "9"
    & skf18("8","3","2","9","10","9","1") = "9"
    & skf18("8","3","2","9","10","10","1") = "9"
    & skf18("8","3","2","10","1","1","1") = "9"
    & skf18("8","3","2","10","1","2","1") = "9"
    & skf18("8","3","2","10","1","3","1") = "9"
    & skf18("8","3","2","10","1","4","1") = "9"
    & skf18("8","3","2","10","1","5","1") = "9"
    & skf18("8","3","2","10","1","6","1") = "9"
    & skf18("8","3","2","10","1","7","1") = "9"
    & skf18("8","3","2","10","1","8","1") = "9"
    & skf18("8","3","2","10","1","9","1") = "9"
    & skf18("8","3","2","10","1","10","1") = "9"
    & skf18("8","3","2","10","2","1","1") = "9"
    & skf18("8","3","2","10","2","2","1") = "9"
    & skf18("8","3","2","10","2","3","1") = "9"
    & skf18("8","3","2","10","2","4","1") = "9"
    & skf18("8","3","2","10","2","5","1") = "9"
    & skf18("8","3","2","10","2","6","1") = "9"
    & skf18("8","3","2","10","2","7","1") = "9"
    & skf18("8","3","2","10","2","8","1") = "9"
    & skf18("8","3","2","10","2","9","1") = "9"
    & skf18("8","3","2","10","2","10","1") = "9"
    & skf18("8","3","2","10","3","1","1") = "9"
    & skf18("8","3","2","10","3","2","1") = "9"
    & skf18("8","3","2","10","3","3","1") = "9"
    & skf18("8","3","2","10","3","4","1") = "9"
    & skf18("8","3","2","10","3","5","1") = "9"
    & skf18("8","3","2","10","3","6","1") = "9"
    & skf18("8","3","2","10","3","7","1") = "9"
    & skf18("8","3","2","10","3","8","1") = "9"
    & skf18("8","3","2","10","3","9","1") = "9"
    & skf18("8","3","2","10","3","10","1") = "9"
    & skf18("8","3","2","10","4","1","1") = "9"
    & skf18("8","3","2","10","4","2","1") = "9"
    & skf18("8","3","2","10","4","3","1") = "9"
    & skf18("8","3","2","10","4","4","1") = "9"
    & skf18("8","3","2","10","4","5","1") = "9"
    & skf18("8","3","2","10","4","6","1") = "9"
    & skf18("8","3","2","10","4","7","1") = "9"
    & skf18("8","3","2","10","4","8","1") = "9"
    & skf18("8","3","2","10","4","9","1") = "9"
    & skf18("8","3","2","10","4","10","1") = "9"
    & skf18("8","3","2","10","5","1","1") = "9"
    & skf18("8","3","2","10","5","2","1") = "9"
    & skf18("8","3","2","10","5","3","1") = "9"
    & skf18("8","3","2","10","5","4","1") = "9"
    & skf18("8","3","2","10","5","5","1") = "9"
    & skf18("8","3","2","10","5","6","1") = "9"
    & skf18("8","3","2","10","5","7","1") = "9"
    & skf18("8","3","2","10","5","8","1") = "9"
    & skf18("8","3","2","10","5","9","1") = "9"
    & skf18("8","3","2","10","5","10","1") = "9"
    & skf18("8","3","2","10","6","1","1") = "9"
    & skf18("8","3","2","10","6","2","1") = "9"
    & skf18("8","3","2","10","6","3","1") = "9"
    & skf18("8","3","2","10","6","4","1") = "9"
    & skf18("8","3","2","10","6","5","1") = "9"
    & skf18("8","3","2","10","6","6","1") = "9"
    & skf18("8","3","2","10","6","7","1") = "9"
    & skf18("8","3","2","10","6","8","1") = "9"
    & skf18("8","3","2","10","6","9","1") = "9"
    & skf18("8","3","2","10","6","10","1") = "9"
    & skf18("8","3","2","10","7","1","1") = "9"
    & skf18("8","3","2","10","7","2","1") = "9"
    & skf18("8","3","2","10","7","3","1") = "9"
    & skf18("8","3","2","10","7","4","1") = "9"
    & skf18("8","3","2","10","7","5","1") = "9"
    & skf18("8","3","2","10","7","6","1") = "9"
    & skf18("8","3","2","10","7","7","1") = "9"
    & skf18("8","3","2","10","7","8","1") = "9"
    & skf18("8","3","2","10","7","9","1") = "9"
    & skf18("8","3","2","10","7","10","1") = "9"
    & skf18("8","3","2","10","8","1","1") = "9"
    & skf18("8","3","2","10","8","2","1") = "9"
    & skf18("8","3","2","10","8","3","1") = "9"
    & skf18("8","3","2","10","8","4","1") = "9"
    & skf18("8","3","2","10","8","5","1") = "9"
    & skf18("8","3","2","10","8","6","1") = "9"
    & skf18("8","3","2","10","8","7","1") = "9"
    & skf18("8","3","2","10","8","8","1") = "9"
    & skf18("8","3","2","10","8","9","1") = "9"
    & skf18("8","3","2","10","8","10","1") = "9"
    & skf18("8","3","2","10","9","1","1") = "9"
    & skf18("8","3","2","10","9","2","1") = "9"
    & skf18("8","3","2","10","9","3","1") = "9"
    & skf18("8","3","2","10","9","4","1") = "9"
    & skf18("8","3","2","10","9","5","1") = "9"
    & skf18("8","3","2","10","9","6","1") = "9"
    & skf18("8","3","2","10","9","7","1") = "9"
    & skf18("8","3","2","10","9","8","1") = "9"
    & skf18("8","3","2","10","9","9","1") = "9"
    & skf18("8","3","2","10","9","10","1") = "9"
    & skf18("8","3","2","10","10","1","1") = "9"
    & skf18("8","3","2","10","10","2","1") = "9"
    & skf18("8","3","2","10","10","3","1") = "9"
    & skf18("8","3","2","10","10","4","1") = "9"
    & skf18("8","3","2","10","10","5","1") = "9"
    & skf18("8","3","2","10","10","6","1") = "9"
    & skf18("8","3","2","10","10","7","1") = "9"
    & skf18("8","3","2","10","10","8","1") = "9"
    & skf18("8","3","2","10","10","9","1") = "9"
    & skf18("8","3","2","10","10","10","1") = "9"
    & skf18("8","3","3","1","1","1","1") = "7"
    & skf18("8","3","3","1","1","2","1") = "7"
    & skf18("8","3","3","1","1","3","1") = "7"
    & skf18("8","3","3","1","1","4","1") = "7"
    & skf18("8","3","3","1","1","5","1") = "7"
    & skf18("8","3","3","1","1","6","1") = "7"
    & skf18("8","3","3","1","1","7","1") = "7"
    & skf18("8","3","3","1","1","8","1") = "7"
    & skf18("8","3","3","1","1","9","1") = "8"
    & skf18("8","3","3","1","1","10","1") = "9"
    & skf18("8","3","3","1","2","1","1") = "7"
    & skf18("8","3","3","1","2","2","1") = "7"
    & skf18("8","3","3","1","2","3","1") = "7"
    & skf18("8","3","3","1","2","4","1") = "7"
    & skf18("8","3","3","1","2","5","1") = "7"
    & skf18("8","3","3","1","2","6","1") = "7"
    & skf18("8","3","3","1","2","7","1") = "7"
    & skf18("8","3","3","1","2","8","1") = "7"
    & skf18("8","3","3","1","2","9","1") = "8"
    & skf18("8","3","3","1","2","10","1") = "9"
    & skf18("8","3","3","1","3","1","1") = "7"
    & skf18("8","3","3","1","3","2","1") = "7"
    & skf18("8","3","3","1","3","3","1") = "7"
    & skf18("8","3","3","1","3","4","1") = "7"
    & skf18("8","3","3","1","3","5","1") = "7"
    & skf18("8","3","3","1","3","6","1") = "7"
    & skf18("8","3","3","1","3","7","1") = "7"
    & skf18("8","3","3","1","3","8","1") = "7"
    & skf18("8","3","3","1","3","9","1") = "8"
    & skf18("8","3","3","1","3","10","1") = "9"
    & skf18("8","3","3","1","4","1","1") = "7"
    & skf18("8","3","3","1","4","2","1") = "7"
    & skf18("8","3","3","1","4","3","1") = "7"
    & skf18("8","3","3","1","4","4","1") = "7"
    & skf18("8","3","3","1","4","5","1") = "7"
    & skf18("8","3","3","1","4","6","1") = "7"
    & skf18("8","3","3","1","4","7","1") = "7"
    & skf18("8","3","3","1","4","8","1") = "7"
    & skf18("8","3","3","1","4","9","1") = "8"
    & skf18("8","3","3","1","4","10","1") = "9"
    & skf18("8","3","3","1","5","1","1") = "7"
    & skf18("8","3","3","1","5","2","1") = "7"
    & skf18("8","3","3","1","5","3","1") = "7"
    & skf18("8","3","3","1","5","4","1") = "7"
    & skf18("8","3","3","1","5","5","1") = "7"
    & skf18("8","3","3","1","5","6","1") = "7"
    & skf18("8","3","3","1","5","7","1") = "7"
    & skf18("8","3","3","1","5","8","1") = "7"
    & skf18("8","3","3","1","5","9","1") = "8"
    & skf18("8","3","3","1","5","10","1") = "9"
    & skf18("8","3","3","1","6","1","1") = "7"
    & skf18("8","3","3","1","6","2","1") = "7"
    & skf18("8","3","3","1","6","3","1") = "7"
    & skf18("8","3","3","1","6","4","1") = "7"
    & skf18("8","3","3","1","6","5","1") = "7"
    & skf18("8","3","3","1","6","6","1") = "7"
    & skf18("8","3","3","1","6","7","1") = "7"
    & skf18("8","3","3","1","6","8","1") = "7"
    & skf18("8","3","3","1","6","9","1") = "8"
    & skf18("8","3","3","1","6","10","1") = "9"
    & skf18("8","3","3","1","7","1","1") = "7"
    & skf18("8","3","3","1","7","2","1") = "7"
    & skf18("8","3","3","1","7","3","1") = "7"
    & skf18("8","3","3","1","7","4","1") = "7"
    & skf18("8","3","3","1","7","5","1") = "7"
    & skf18("8","3","3","1","7","6","1") = "7"
    & skf18("8","3","3","1","7","7","1") = "7"
    & skf18("8","3","3","1","7","8","1") = "7"
    & skf18("8","3","3","1","7","9","1") = "8"
    & skf18("8","3","3","1","7","10","1") = "9"
    & skf18("8","3","3","1","8","1","1") = "7"
    & skf18("8","3","3","1","8","2","1") = "7"
    & skf18("8","3","3","1","8","3","1") = "7"
    & skf18("8","3","3","1","8","4","1") = "7"
    & skf18("8","3","3","1","8","5","1") = "7"
    & skf18("8","3","3","1","8","6","1") = "7"
    & skf18("8","3","3","1","8","7","1") = "7"
    & skf18("8","3","3","1","8","8","1") = "7"
    & skf18("8","3","3","1","8","9","1") = "8"
    & skf18("8","3","3","1","8","10","1") = "9"
    & skf18("8","3","3","1","9","1","1") = "8"
    & skf18("8","3","3","1","9","2","1") = "8"
    & skf18("8","3","3","1","9","3","1") = "8"
    & skf18("8","3","3","1","9","4","1") = "8"
    & skf18("8","3","3","1","9","5","1") = "8"
    & skf18("8","3","3","1","9","6","1") = "8"
    & skf18("8","3","3","1","9","7","1") = "8"
    & skf18("8","3","3","1","9","8","1") = "8"
    & skf18("8","3","3","1","9","9","1") = "8"
    & skf18("8","3","3","1","9","10","1") = "9"
    & skf18("8","3","3","1","10","1","1") = "9"
    & skf18("8","3","3","1","10","2","1") = "9"
    & skf18("8","3","3","1","10","3","1") = "9"
    & skf18("8","3","3","1","10","4","1") = "9"
    & skf18("8","3","3","1","10","5","1") = "9"
    & skf18("8","3","3","1","10","6","1") = "9"
    & skf18("8","3","3","1","10","7","1") = "9"
    & skf18("8","3","3","1","10","8","1") = "9"
    & skf18("8","3","3","1","10","9","1") = "9"
    & skf18("8","3","3","1","10","10","1") = "9"
    & skf18("8","3","3","2","1","1","1") = "7"
    & skf18("8","3","3","2","1","2","1") = "7"
    & skf18("8","3","3","2","1","3","1") = "7"
    & skf18("8","3","3","2","1","4","1") = "7"
    & skf18("8","3","3","2","1","5","1") = "7"
    & skf18("8","3","3","2","1","6","1") = "7"
    & skf18("8","3","3","2","1","7","1") = "7"
    & skf18("8","3","3","2","1","8","1") = "7"
    & skf18("8","3","3","2","1","9","1") = "8"
    & skf18("8","3","3","2","1","10","1") = "9"
    & skf18("8","3","3","2","2","1","1") = "7"
    & skf18("8","3","3","2","2","2","1") = "7"
    & skf18("8","3","3","2","2","3","1") = "7"
    & skf18("8","3","3","2","2","4","1") = "7"
    & skf18("8","3","3","2","2","5","1") = "7"
    & skf18("8","3","3","2","2","6","1") = "7"
    & skf18("8","3","3","2","2","7","1") = "7"
    & skf18("8","3","3","2","2","8","1") = "7"
    & skf18("8","3","3","2","2","9","1") = "8"
    & skf18("8","3","3","2","2","10","1") = "9"
    & skf18("8","3","3","2","3","1","1") = "7"
    & skf18("8","3","3","2","3","2","1") = "7"
    & skf18("8","3","3","2","3","3","1") = "7"
    & skf18("8","3","3","2","3","4","1") = "7"
    & skf18("8","3","3","2","3","5","1") = "7"
    & skf18("8","3","3","2","3","6","1") = "7"
    & skf18("8","3","3","2","3","7","1") = "7"
    & skf18("8","3","3","2","3","8","1") = "7"
    & skf18("8","3","3","2","3","9","1") = "8"
    & skf18("8","3","3","2","3","10","1") = "9"
    & skf18("8","3","3","2","4","1","1") = "7"
    & skf18("8","3","3","2","4","2","1") = "7"
    & skf18("8","3","3","2","4","3","1") = "7"
    & skf18("8","3","3","2","4","4","1") = "7"
    & skf18("8","3","3","2","4","5","1") = "7"
    & skf18("8","3","3","2","4","6","1") = "7"
    & skf18("8","3","3","2","4","7","1") = "7"
    & skf18("8","3","3","2","4","8","1") = "7"
    & skf18("8","3","3","2","4","9","1") = "8"
    & skf18("8","3","3","2","4","10","1") = "9"
    & skf18("8","3","3","2","5","1","1") = "7"
    & skf18("8","3","3","2","5","2","1") = "7"
    & skf18("8","3","3","2","5","3","1") = "7"
    & skf18("8","3","3","2","5","4","1") = "7"
    & skf18("8","3","3","2","5","5","1") = "7"
    & skf18("8","3","3","2","5","6","1") = "7"
    & skf18("8","3","3","2","5","7","1") = "7"
    & skf18("8","3","3","2","5","8","1") = "7"
    & skf18("8","3","3","2","5","9","1") = "8"
    & skf18("8","3","3","2","5","10","1") = "9"
    & skf18("8","3","3","2","6","1","1") = "7"
    & skf18("8","3","3","2","6","2","1") = "7"
    & skf18("8","3","3","2","6","3","1") = "7"
    & skf18("8","3","3","2","6","4","1") = "7"
    & skf18("8","3","3","2","6","5","1") = "7"
    & skf18("8","3","3","2","6","6","1") = "7"
    & skf18("8","3","3","2","6","7","1") = "7"
    & skf18("8","3","3","2","6","8","1") = "7"
    & skf18("8","3","3","2","6","9","1") = "8"
    & skf18("8","3","3","2","6","10","1") = "9"
    & skf18("8","3","3","2","7","1","1") = "7"
    & skf18("8","3","3","2","7","2","1") = "7"
    & skf18("8","3","3","2","7","3","1") = "7"
    & skf18("8","3","3","2","7","4","1") = "7"
    & skf18("8","3","3","2","7","5","1") = "7"
    & skf18("8","3","3","2","7","6","1") = "7"
    & skf18("8","3","3","2","7","7","1") = "7"
    & skf18("8","3","3","2","7","8","1") = "7"
    & skf18("8","3","3","2","7","9","1") = "8"
    & skf18("8","3","3","2","7","10","1") = "9"
    & skf18("8","3","3","2","8","1","1") = "7"
    & skf18("8","3","3","2","8","2","1") = "7"
    & skf18("8","3","3","2","8","3","1") = "7"
    & skf18("8","3","3","2","8","4","1") = "7"
    & skf18("8","3","3","2","8","5","1") = "7"
    & skf18("8","3","3","2","8","6","1") = "7"
    & skf18("8","3","3","2","8","7","1") = "7"
    & skf18("8","3","3","2","8","8","1") = "7"
    & skf18("8","3","3","2","8","9","1") = "8"
    & skf18("8","3","3","2","8","10","1") = "9"
    & skf18("8","3","3","2","9","1","1") = "8"
    & skf18("8","3","3","2","9","2","1") = "8"
    & skf18("8","3","3","2","9","3","1") = "8"
    & skf18("8","3","3","2","9","4","1") = "8"
    & skf18("8","3","3","2","9","5","1") = "8"
    & skf18("8","3","3","2","9","6","1") = "8"
    & skf18("8","3","3","2","9","7","1") = "8"
    & skf18("8","3","3","2","9","8","1") = "8"
    & skf18("8","3","3","2","9","9","1") = "8"
    & skf18("8","3","3","2","9","10","1") = "9"
    & skf18("8","3","3","2","10","1","1") = "9"
    & skf18("8","3","3","2","10","2","1") = "9"
    & skf18("8","3","3","2","10","3","1") = "9"
    & skf18("8","3","3","2","10","4","1") = "9"
    & skf18("8","3","3","2","10","5","1") = "9"
    & skf18("8","3","3","2","10","6","1") = "9"
    & skf18("8","3","3","2","10","7","1") = "9"
    & skf18("8","3","3","2","10","8","1") = "9"
    & skf18("8","3","3","2","10","9","1") = "9"
    & skf18("8","3","3","2","10","10","1") = "9"
    & skf18("8","3","3","3","1","1","1") = "7"
    & skf18("8","3","3","3","1","2","1") = "7"
    & skf18("8","3","3","3","1","3","1") = "7"
    & skf18("8","3","3","3","1","4","1") = "7"
    & skf18("8","3","3","3","1","5","1") = "7"
    & skf18("8","3","3","3","1","6","1") = "7"
    & skf18("8","3","3","3","1","7","1") = "7"
    & skf18("8","3","3","3","1","8","1") = "7"
    & skf18("8","3","3","3","1","9","1") = "8"
    & skf18("8","3","3","3","1","10","1") = "9"
    & skf18("8","3","3","3","2","1","1") = "7"
    & skf18("8","3","3","3","2","2","1") = "7"
    & skf18("8","3","3","3","2","3","1") = "7"
    & skf18("8","3","3","3","2","4","1") = "7"
    & skf18("8","3","3","3","2","5","1") = "7"
    & skf18("8","3","3","3","2","6","1") = "7"
    & skf18("8","3","3","3","2","7","1") = "7"
    & skf18("8","3","3","3","2","8","1") = "7"
    & skf18("8","3","3","3","2","9","1") = "8"
    & skf18("8","3","3","3","2","10","1") = "9"
    & skf18("8","3","3","3","3","1","1") = "7"
    & skf18("8","3","3","3","3","2","1") = "7"
    & skf18("8","3","3","3","3","3","1") = "7"
    & skf18("8","3","3","3","3","4","1") = "7"
    & skf18("8","3","3","3","3","5","1") = "7"
    & skf18("8","3","3","3","3","6","1") = "7"
    & skf18("8","3","3","3","3","7","1") = "7"
    & skf18("8","3","3","3","3","8","1") = "7"
    & skf18("8","3","3","3","3","9","1") = "8"
    & skf18("8","3","3","3","3","10","1") = "9"
    & skf18("8","3","3","3","4","1","1") = "7"
    & skf18("8","3","3","3","4","2","1") = "7"
    & skf18("8","3","3","3","4","3","1") = "7"
    & skf18("8","3","3","3","4","4","1") = "7"
    & skf18("8","3","3","3","4","5","1") = "7"
    & skf18("8","3","3","3","4","6","1") = "7"
    & skf18("8","3","3","3","4","7","1") = "7"
    & skf18("8","3","3","3","4","8","1") = "7"
    & skf18("8","3","3","3","4","9","1") = "8"
    & skf18("8","3","3","3","4","10","1") = "9"
    & skf18("8","3","3","3","5","1","1") = "7"
    & skf18("8","3","3","3","5","2","1") = "7"
    & skf18("8","3","3","3","5","3","1") = "7"
    & skf18("8","3","3","3","5","4","1") = "7"
    & skf18("8","3","3","3","5","5","1") = "7"
    & skf18("8","3","3","3","5","6","1") = "7"
    & skf18("8","3","3","3","5","7","1") = "7"
    & skf18("8","3","3","3","5","8","1") = "7"
    & skf18("8","3","3","3","5","9","1") = "8"
    & skf18("8","3","3","3","5","10","1") = "9"
    & skf18("8","3","3","3","6","1","1") = "7"
    & skf18("8","3","3","3","6","2","1") = "7"
    & skf18("8","3","3","3","6","3","1") = "7"
    & skf18("8","3","3","3","6","4","1") = "7"
    & skf18("8","3","3","3","6","5","1") = "7"
    & skf18("8","3","3","3","6","6","1") = "7"
    & skf18("8","3","3","3","6","7","1") = "7"
    & skf18("8","3","3","3","6","8","1") = "7"
    & skf18("8","3","3","3","6","9","1") = "8"
    & skf18("8","3","3","3","6","10","1") = "9"
    & skf18("8","3","3","3","7","1","1") = "7"
    & skf18("8","3","3","3","7","2","1") = "7"
    & skf18("8","3","3","3","7","3","1") = "7"
    & skf18("8","3","3","3","7","4","1") = "7"
    & skf18("8","3","3","3","7","5","1") = "7"
    & skf18("8","3","3","3","7","6","1") = "7"
    & skf18("8","3","3","3","7","7","1") = "7"
    & skf18("8","3","3","3","7","8","1") = "7"
    & skf18("8","3","3","3","7","9","1") = "8"
    & skf18("8","3","3","3","7","10","1") = "9"
    & skf18("8","3","3","3","8","1","1") = "7"
    & skf18("8","3","3","3","8","2","1") = "7"
    & skf18("8","3","3","3","8","3","1") = "7"
    & skf18("8","3","3","3","8","4","1") = "7"
    & skf18("8","3","3","3","8","5","1") = "7"
    & skf18("8","3","3","3","8","6","1") = "7"
    & skf18("8","3","3","3","8","7","1") = "7"
    & skf18("8","3","3","3","8","8","1") = "7"
    & skf18("8","3","3","3","8","9","1") = "8"
    & skf18("8","3","3","3","8","10","1") = "9"
    & skf18("8","3","3","3","9","1","1") = "8"
    & skf18("8","3","3","3","9","2","1") = "8"
    & skf18("8","3","3","3","9","3","1") = "8"
    & skf18("8","3","3","3","9","4","1") = "8"
    & skf18("8","3","3","3","9","5","1") = "8"
    & skf18("8","3","3","3","9","6","1") = "8"
    & skf18("8","3","3","3","9","7","1") = "8"
    & skf18("8","3","3","3","9","8","1") = "8"
    & skf18("8","3","3","3","9","9","1") = "8"
    & skf18("8","3","3","3","9","10","1") = "9"
    & skf18("8","3","3","3","10","1","1") = "9"
    & skf18("8","3","3","3","10","2","1") = "9"
    & skf18("8","3","3","3","10","3","1") = "9"
    & skf18("8","3","3","3","10","4","1") = "9"
    & skf18("8","3","3","3","10","5","1") = "9"
    & skf18("8","3","3","3","10","6","1") = "9"
    & skf18("8","3","3","3","10","7","1") = "9"
    & skf18("8","3","3","3","10","8","1") = "9"
    & skf18("8","3","3","3","10","9","1") = "9"
    & skf18("8","3","3","3","10","10","1") = "9"
    & skf18("8","3","3","4","1","1","1") = "7"
    & skf18("8","3","3","4","1","2","1") = "7"
    & skf18("8","3","3","4","1","3","1") = "7"
    & skf18("8","3","3","4","1","4","1") = "7"
    & skf18("8","3","3","4","1","5","1") = "7"
    & skf18("8","3","3","4","1","6","1") = "7"
    & skf18("8","3","3","4","1","7","1") = "7"
    & skf18("8","3","3","4","1","8","1") = "7"
    & skf18("8","3","3","4","1","9","1") = "8"
    & skf18("8","3","3","4","1","10","1") = "9"
    & skf18("8","3","3","4","2","1","1") = "7"
    & skf18("8","3","3","4","2","2","1") = "7"
    & skf18("8","3","3","4","2","3","1") = "7"
    & skf18("8","3","3","4","2","4","1") = "7"
    & skf18("8","3","3","4","2","5","1") = "7"
    & skf18("8","3","3","4","2","6","1") = "7"
    & skf18("8","3","3","4","2","7","1") = "7"
    & skf18("8","3","3","4","2","8","1") = "7"
    & skf18("8","3","3","4","2","9","1") = "8"
    & skf18("8","3","3","4","2","10","1") = "9"
    & skf18("8","3","3","4","3","1","1") = "7"
    & skf18("8","3","3","4","3","2","1") = "7"
    & skf18("8","3","3","4","3","3","1") = "7"
    & skf18("8","3","3","4","3","4","1") = "7"
    & skf18("8","3","3","4","3","5","1") = "7"
    & skf18("8","3","3","4","3","6","1") = "7"
    & skf18("8","3","3","4","3","7","1") = "7"
    & skf18("8","3","3","4","3","8","1") = "7"
    & skf18("8","3","3","4","3","9","1") = "8"
    & skf18("8","3","3","4","3","10","1") = "9"
    & skf18("8","3","3","4","4","1","1") = "7"
    & skf18("8","3","3","4","4","2","1") = "7"
    & skf18("8","3","3","4","4","3","1") = "7"
    & skf18("8","3","3","4","4","4","1") = "7"
    & skf18("8","3","3","4","4","5","1") = "7"
    & skf18("8","3","3","4","4","6","1") = "7"
    & skf18("8","3","3","4","4","7","1") = "7"
    & skf18("8","3","3","4","4","8","1") = "7"
    & skf18("8","3","3","4","4","9","1") = "8"
    & skf18("8","3","3","4","4","10","1") = "9"
    & skf18("8","3","3","4","5","1","1") = "7"
    & skf18("8","3","3","4","5","2","1") = "7"
    & skf18("8","3","3","4","5","3","1") = "7"
    & skf18("8","3","3","4","5","4","1") = "7"
    & skf18("8","3","3","4","5","5","1") = "7"
    & skf18("8","3","3","4","5","6","1") = "7"
    & skf18("8","3","3","4","5","7","1") = "7"
    & skf18("8","3","3","4","5","8","1") = "7"
    & skf18("8","3","3","4","5","9","1") = "8"
    & skf18("8","3","3","4","5","10","1") = "9"
    & skf18("8","3","3","4","6","1","1") = "7"
    & skf18("8","3","3","4","6","2","1") = "7"
    & skf18("8","3","3","4","6","3","1") = "7"
    & skf18("8","3","3","4","6","4","1") = "7"
    & skf18("8","3","3","4","6","5","1") = "7"
    & skf18("8","3","3","4","6","6","1") = "7"
    & skf18("8","3","3","4","6","7","1") = "7"
    & skf18("8","3","3","4","6","8","1") = "7"
    & skf18("8","3","3","4","6","9","1") = "8"
    & skf18("8","3","3","4","6","10","1") = "9"
    & skf18("8","3","3","4","7","1","1") = "7"
    & skf18("8","3","3","4","7","2","1") = "7"
    & skf18("8","3","3","4","7","3","1") = "7"
    & skf18("8","3","3","4","7","4","1") = "7"
    & skf18("8","3","3","4","7","5","1") = "7"
    & skf18("8","3","3","4","7","6","1") = "7"
    & skf18("8","3","3","4","7","7","1") = "7"
    & skf18("8","3","3","4","7","8","1") = "7"
    & skf18("8","3","3","4","7","9","1") = "8"
    & skf18("8","3","3","4","7","10","1") = "9"
    & skf18("8","3","3","4","8","1","1") = "7"
    & skf18("8","3","3","4","8","2","1") = "7"
    & skf18("8","3","3","4","8","3","1") = "7"
    & skf18("8","3","3","4","8","4","1") = "7"
    & skf18("8","3","3","4","8","5","1") = "7"
    & skf18("8","3","3","4","8","6","1") = "7"
    & skf18("8","3","3","4","8","7","1") = "7"
    & skf18("8","3","3","4","8","8","1") = "7"
    & skf18("8","3","3","4","8","9","1") = "8"
    & skf18("8","3","3","4","8","10","1") = "9"
    & skf18("8","3","3","4","9","1","1") = "8"
    & skf18("8","3","3","4","9","2","1") = "8"
    & skf18("8","3","3","4","9","3","1") = "8"
    & skf18("8","3","3","4","9","4","1") = "8"
    & skf18("8","3","3","4","9","5","1") = "8"
    & skf18("8","3","3","4","9","6","1") = "8"
    & skf18("8","3","3","4","9","7","1") = "8"
    & skf18("8","3","3","4","9","8","1") = "8"
    & skf18("8","3","3","4","9","9","1") = "8"
    & skf18("8","3","3","4","9","10","1") = "9"
    & skf18("8","3","3","4","10","1","1") = "9"
    & skf18("8","3","3","4","10","2","1") = "9"
    & skf18("8","3","3","4","10","3","1") = "9"
    & skf18("8","3","3","4","10","4","1") = "9"
    & skf18("8","3","3","4","10","5","1") = "9"
    & skf18("8","3","3","4","10","6","1") = "9"
    & skf18("8","3","3","4","10","7","1") = "9"
    & skf18("8","3","3","4","10","8","1") = "9"
    & skf18("8","3","3","4","10","9","1") = "9"
    & skf18("8","3","3","4","10","10","1") = "9"
    & skf18("8","3","3","5","1","1","1") = "7"
    & skf18("8","3","3","5","1","2","1") = "7"
    & skf18("8","3","3","5","1","3","1") = "7"
    & skf18("8","3","3","5","1","4","1") = "7"
    & skf18("8","3","3","5","1","5","1") = "7"
    & skf18("8","3","3","5","1","6","1") = "7"
    & skf18("8","3","3","5","1","7","1") = "7"
    & skf18("8","3","3","5","1","8","1") = "7"
    & skf18("8","3","3","5","1","9","1") = "8"
    & skf18("8","3","3","5","1","10","1") = "9"
    & skf18("8","3","3","5","2","1","1") = "7"
    & skf18("8","3","3","5","2","2","1") = "7"
    & skf18("8","3","3","5","2","3","1") = "7"
    & skf18("8","3","3","5","2","4","1") = "7"
    & skf18("8","3","3","5","2","5","1") = "7"
    & skf18("8","3","3","5","2","6","1") = "7"
    & skf18("8","3","3","5","2","7","1") = "7"
    & skf18("8","3","3","5","2","8","1") = "7"
    & skf18("8","3","3","5","2","9","1") = "8"
    & skf18("8","3","3","5","2","10","1") = "9"
    & skf18("8","3","3","5","3","1","1") = "7"
    & skf18("8","3","3","5","3","2","1") = "7"
    & skf18("8","3","3","5","3","3","1") = "7"
    & skf18("8","3","3","5","3","4","1") = "7"
    & skf18("8","3","3","5","3","5","1") = "7"
    & skf18("8","3","3","5","3","6","1") = "7"
    & skf18("8","3","3","5","3","7","1") = "7"
    & skf18("8","3","3","5","3","8","1") = "7"
    & skf18("8","3","3","5","3","9","1") = "8"
    & skf18("8","3","3","5","3","10","1") = "9"
    & skf18("8","3","3","5","4","1","1") = "7"
    & skf18("8","3","3","5","4","2","1") = "7"
    & skf18("8","3","3","5","4","3","1") = "7"
    & skf18("8","3","3","5","4","4","1") = "7"
    & skf18("8","3","3","5","4","5","1") = "7"
    & skf18("8","3","3","5","4","6","1") = "7"
    & skf18("8","3","3","5","4","7","1") = "7"
    & skf18("8","3","3","5","4","8","1") = "7"
    & skf18("8","3","3","5","4","9","1") = "8"
    & skf18("8","3","3","5","4","10","1") = "9"
    & skf18("8","3","3","5","5","1","1") = "7"
    & skf18("8","3","3","5","5","2","1") = "7"
    & skf18("8","3","3","5","5","3","1") = "7"
    & skf18("8","3","3","5","5","4","1") = "7"
    & skf18("8","3","3","5","5","5","1") = "7"
    & skf18("8","3","3","5","5","6","1") = "7"
    & skf18("8","3","3","5","5","7","1") = "7"
    & skf18("8","3","3","5","5","8","1") = "7"
    & skf18("8","3","3","5","5","9","1") = "8"
    & skf18("8","3","3","5","5","10","1") = "9"
    & skf18("8","3","3","5","6","1","1") = "7"
    & skf18("8","3","3","5","6","2","1") = "7"
    & skf18("8","3","3","5","6","3","1") = "7"
    & skf18("8","3","3","5","6","4","1") = "7"
    & skf18("8","3","3","5","6","5","1") = "7"
    & skf18("8","3","3","5","6","6","1") = "7"
    & skf18("8","3","3","5","6","7","1") = "7"
    & skf18("8","3","3","5","6","8","1") = "7"
    & skf18("8","3","3","5","6","9","1") = "8"
    & skf18("8","3","3","5","6","10","1") = "9"
    & skf18("8","3","3","5","7","1","1") = "7"
    & skf18("8","3","3","5","7","2","1") = "7"
    & skf18("8","3","3","5","7","3","1") = "7"
    & skf18("8","3","3","5","7","4","1") = "7"
    & skf18("8","3","3","5","7","5","1") = "7"
    & skf18("8","3","3","5","7","6","1") = "7"
    & skf18("8","3","3","5","7","7","1") = "7"
    & skf18("8","3","3","5","7","8","1") = "7"
    & skf18("8","3","3","5","7","9","1") = "8"
    & skf18("8","3","3","5","7","10","1") = "9"
    & skf18("8","3","3","5","8","1","1") = "7"
    & skf18("8","3","3","5","8","2","1") = "7"
    & skf18("8","3","3","5","8","3","1") = "7"
    & skf18("8","3","3","5","8","4","1") = "7"
    & skf18("8","3","3","5","8","5","1") = "7"
    & skf18("8","3","3","5","8","6","1") = "7"
    & skf18("8","3","3","5","8","7","1") = "7"
    & skf18("8","3","3","5","8","8","1") = "7"
    & skf18("8","3","3","5","8","9","1") = "8"
    & skf18("8","3","3","5","8","10","1") = "9"
    & skf18("8","3","3","5","9","1","1") = "8"
    & skf18("8","3","3","5","9","2","1") = "8"
    & skf18("8","3","3","5","9","3","1") = "8"
    & skf18("8","3","3","5","9","4","1") = "8"
    & skf18("8","3","3","5","9","5","1") = "8"
    & skf18("8","3","3","5","9","6","1") = "8"
    & skf18("8","3","3","5","9","7","1") = "8"
    & skf18("8","3","3","5","9","8","1") = "8"
    & skf18("8","3","3","5","9","9","1") = "8"
    & skf18("8","3","3","5","9","10","1") = "9"
    & skf18("8","3","3","5","10","1","1") = "9"
    & skf18("8","3","3","5","10","2","1") = "9"
    & skf18("8","3","3","5","10","3","1") = "9"
    & skf18("8","3","3","5","10","4","1") = "9"
    & skf18("8","3","3","5","10","5","1") = "9"
    & skf18("8","3","3","5","10","6","1") = "9"
    & skf18("8","3","3","5","10","7","1") = "9"
    & skf18("8","3","3","5","10","8","1") = "9"
    & skf18("8","3","3","5","10","9","1") = "9"
    & skf18("8","3","3","5","10","10","1") = "9"
    & skf18("8","3","3","6","1","1","1") = "7"
    & skf18("8","3","3","6","1","2","1") = "7"
    & skf18("8","3","3","6","1","3","1") = "7"
    & skf18("8","3","3","6","1","4","1") = "7"
    & skf18("8","3","3","6","1","5","1") = "7"
    & skf18("8","3","3","6","1","6","1") = "7"
    & skf18("8","3","3","6","1","7","1") = "7"
    & skf18("8","3","3","6","1","8","1") = "7"
    & skf18("8","3","3","6","1","9","1") = "8"
    & skf18("8","3","3","6","1","10","1") = "9"
    & skf18("8","3","3","6","2","1","1") = "7"
    & skf18("8","3","3","6","2","2","1") = "7"
    & skf18("8","3","3","6","2","3","1") = "7"
    & skf18("8","3","3","6","2","4","1") = "7"
    & skf18("8","3","3","6","2","5","1") = "7"
    & skf18("8","3","3","6","2","6","1") = "7"
    & skf18("8","3","3","6","2","7","1") = "7"
    & skf18("8","3","3","6","2","8","1") = "7"
    & skf18("8","3","3","6","2","9","1") = "8"
    & skf18("8","3","3","6","2","10","1") = "9"
    & skf18("8","3","3","6","3","1","1") = "7"
    & skf18("8","3","3","6","3","2","1") = "7"
    & skf18("8","3","3","6","3","3","1") = "7"
    & skf18("8","3","3","6","3","4","1") = "7"
    & skf18("8","3","3","6","3","5","1") = "7"
    & skf18("8","3","3","6","3","6","1") = "7"
    & skf18("8","3","3","6","3","7","1") = "7"
    & skf18("8","3","3","6","3","8","1") = "7"
    & skf18("8","3","3","6","3","9","1") = "8"
    & skf18("8","3","3","6","3","10","1") = "9"
    & skf18("8","3","3","6","4","1","1") = "7"
    & skf18("8","3","3","6","4","2","1") = "7"
    & skf18("8","3","3","6","4","3","1") = "7"
    & skf18("8","3","3","6","4","4","1") = "7"
    & skf18("8","3","3","6","4","5","1") = "7"
    & skf18("8","3","3","6","4","6","1") = "7"
    & skf18("8","3","3","6","4","7","1") = "7"
    & skf18("8","3","3","6","4","8","1") = "7"
    & skf18("8","3","3","6","4","9","1") = "8"
    & skf18("8","3","3","6","4","10","1") = "9"
    & skf18("8","3","3","6","5","1","1") = "7"
    & skf18("8","3","3","6","5","2","1") = "7"
    & skf18("8","3","3","6","5","3","1") = "7"
    & skf18("8","3","3","6","5","4","1") = "7"
    & skf18("8","3","3","6","5","5","1") = "7"
    & skf18("8","3","3","6","5","6","1") = "7"
    & skf18("8","3","3","6","5","7","1") = "7"
    & skf18("8","3","3","6","5","8","1") = "7"
    & skf18("8","3","3","6","5","9","1") = "8"
    & skf18("8","3","3","6","5","10","1") = "9"
    & skf18("8","3","3","6","6","1","1") = "7"
    & skf18("8","3","3","6","6","2","1") = "7"
    & skf18("8","3","3","6","6","3","1") = "7"
    & skf18("8","3","3","6","6","4","1") = "7"
    & skf18("8","3","3","6","6","5","1") = "7"
    & skf18("8","3","3","6","6","6","1") = "7"
    & skf18("8","3","3","6","6","7","1") = "7"
    & skf18("8","3","3","6","6","8","1") = "7"
    & skf18("8","3","3","6","6","9","1") = "8"
    & skf18("8","3","3","6","6","10","1") = "9"
    & skf18("8","3","3","6","7","1","1") = "7"
    & skf18("8","3","3","6","7","2","1") = "7"
    & skf18("8","3","3","6","7","3","1") = "7"
    & skf18("8","3","3","6","7","4","1") = "7"
    & skf18("8","3","3","6","7","5","1") = "7"
    & skf18("8","3","3","6","7","6","1") = "7"
    & skf18("8","3","3","6","7","7","1") = "7"
    & skf18("8","3","3","6","7","8","1") = "7"
    & skf18("8","3","3","6","7","9","1") = "8"
    & skf18("8","3","3","6","7","10","1") = "9"
    & skf18("8","3","3","6","8","1","1") = "7"
    & skf18("8","3","3","6","8","2","1") = "7"
    & skf18("8","3","3","6","8","3","1") = "7"
    & skf18("8","3","3","6","8","4","1") = "7"
    & skf18("8","3","3","6","8","5","1") = "7"
    & skf18("8","3","3","6","8","6","1") = "7"
    & skf18("8","3","3","6","8","7","1") = "7"
    & skf18("8","3","3","6","8","8","1") = "7"
    & skf18("8","3","3","6","8","9","1") = "8"
    & skf18("8","3","3","6","8","10","1") = "9"
    & skf18("8","3","3","6","9","1","1") = "8"
    & skf18("8","3","3","6","9","2","1") = "8"
    & skf18("8","3","3","6","9","3","1") = "8"
    & skf18("8","3","3","6","9","4","1") = "8"
    & skf18("8","3","3","6","9","5","1") = "8"
    & skf18("8","3","3","6","9","6","1") = "8"
    & skf18("8","3","3","6","9","7","1") = "8"
    & skf18("8","3","3","6","9","8","1") = "8"
    & skf18("8","3","3","6","9","9","1") = "8"
    & skf18("8","3","3","6","9","10","1") = "9"
    & skf18("8","3","3","6","10","1","1") = "9"
    & skf18("8","3","3","6","10","2","1") = "9"
    & skf18("8","3","3","6","10","3","1") = "9"
    & skf18("8","3","3","6","10","4","1") = "9"
    & skf18("8","3","3","6","10","5","1") = "9"
    & skf18("8","3","3","6","10","6","1") = "9"
    & skf18("8","3","3","6","10","7","1") = "9"
    & skf18("8","3","3","6","10","8","1") = "9"
    & skf18("8","3","3","6","10","9","1") = "9"
    & skf18("8","3","3","6","10","10","1") = "9"
    & skf18("8","3","3","7","1","1","1") = "7"
    & skf18("8","3","3","7","1","2","1") = "7"
    & skf18("8","3","3","7","1","3","1") = "7"
    & skf18("8","3","3","7","1","4","1") = "7"
    & skf18("8","3","3","7","1","5","1") = "7"
    & skf18("8","3","3","7","1","6","1") = "7"
    & skf18("8","3","3","7","1","7","1") = "7"
    & skf18("8","3","3","7","1","8","1") = "7"
    & skf18("8","3","3","7","1","9","1") = "8"
    & skf18("8","3","3","7","1","10","1") = "9"
    & skf18("8","3","3","7","2","1","1") = "7"
    & skf18("8","3","3","7","2","2","1") = "7"
    & skf18("8","3","3","7","2","3","1") = "7"
    & skf18("8","3","3","7","2","4","1") = "7"
    & skf18("8","3","3","7","2","5","1") = "7"
    & skf18("8","3","3","7","2","6","1") = "7"
    & skf18("8","3","3","7","2","7","1") = "7"
    & skf18("8","3","3","7","2","8","1") = "7"
    & skf18("8","3","3","7","2","9","1") = "8"
    & skf18("8","3","3","7","2","10","1") = "9"
    & skf18("8","3","3","7","3","1","1") = "7"
    & skf18("8","3","3","7","3","2","1") = "7"
    & skf18("8","3","3","7","3","3","1") = "7"
    & skf18("8","3","3","7","3","4","1") = "7"
    & skf18("8","3","3","7","3","5","1") = "7"
    & skf18("8","3","3","7","3","6","1") = "7"
    & skf18("8","3","3","7","3","7","1") = "7"
    & skf18("8","3","3","7","3","8","1") = "7"
    & skf18("8","3","3","7","3","9","1") = "8"
    & skf18("8","3","3","7","3","10","1") = "9"
    & skf18("8","3","3","7","4","1","1") = "7"
    & skf18("8","3","3","7","4","2","1") = "7"
    & skf18("8","3","3","7","4","3","1") = "7"
    & skf18("8","3","3","7","4","4","1") = "7"
    & skf18("8","3","3","7","4","5","1") = "7"
    & skf18("8","3","3","7","4","6","1") = "7"
    & skf18("8","3","3","7","4","7","1") = "7"
    & skf18("8","3","3","7","4","8","1") = "7"
    & skf18("8","3","3","7","4","9","1") = "8"
    & skf18("8","3","3","7","4","10","1") = "9"
    & skf18("8","3","3","7","5","1","1") = "7"
    & skf18("8","3","3","7","5","2","1") = "7"
    & skf18("8","3","3","7","5","3","1") = "7"
    & skf18("8","3","3","7","5","4","1") = "7"
    & skf18("8","3","3","7","5","5","1") = "7"
    & skf18("8","3","3","7","5","6","1") = "7"
    & skf18("8","3","3","7","5","7","1") = "7"
    & skf18("8","3","3","7","5","8","1") = "7"
    & skf18("8","3","3","7","5","9","1") = "8"
    & skf18("8","3","3","7","5","10","1") = "9"
    & skf18("8","3","3","7","6","1","1") = "7"
    & skf18("8","3","3","7","6","2","1") = "7"
    & skf18("8","3","3","7","6","3","1") = "7"
    & skf18("8","3","3","7","6","4","1") = "7"
    & skf18("8","3","3","7","6","5","1") = "7"
    & skf18("8","3","3","7","6","6","1") = "7"
    & skf18("8","3","3","7","6","7","1") = "7"
    & skf18("8","3","3","7","6","8","1") = "7"
    & skf18("8","3","3","7","6","9","1") = "8"
    & skf18("8","3","3","7","6","10","1") = "9"
    & skf18("8","3","3","7","7","1","1") = "7"
    & skf18("8","3","3","7","7","2","1") = "7"
    & skf18("8","3","3","7","7","3","1") = "7"
    & skf18("8","3","3","7","7","4","1") = "7"
    & skf18("8","3","3","7","7","5","1") = "7"
    & skf18("8","3","3","7","7","6","1") = "7"
    & skf18("8","3","3","7","7","7","1") = "7"
    & skf18("8","3","3","7","7","8","1") = "7"
    & skf18("8","3","3","7","7","9","1") = "8"
    & skf18("8","3","3","7","7","10","1") = "9"
    & skf18("8","3","3","7","8","1","1") = "7"
    & skf18("8","3","3","7","8","2","1") = "7"
    & skf18("8","3","3","7","8","3","1") = "7"
    & skf18("8","3","3","7","8","4","1") = "7"
    & skf18("8","3","3","7","8","5","1") = "7"
    & skf18("8","3","3","7","8","6","1") = "7"
    & skf18("8","3","3","7","8","7","1") = "7"
    & skf18("8","3","3","7","8","8","1") = "7"
    & skf18("8","3","3","7","8","9","1") = "8"
    & skf18("8","3","3","7","8","10","1") = "9"
    & skf18("8","3","3","7","9","1","1") = "8"
    & skf18("8","3","3","7","9","2","1") = "8"
    & skf18("8","3","3","7","9","3","1") = "8"
    & skf18("8","3","3","7","9","4","1") = "8"
    & skf18("8","3","3","7","9","5","1") = "8"
    & skf18("8","3","3","7","9","6","1") = "8"
    & skf18("8","3","3","7","9","7","1") = "8"
    & skf18("8","3","3","7","9","8","1") = "8"
    & skf18("8","3","3","7","9","9","1") = "8"
    & skf18("8","3","3","7","9","10","1") = "9"
    & skf18("8","3","3","7","10","1","1") = "9"
    & skf18("8","3","3","7","10","2","1") = "9"
    & skf18("8","3","3","7","10","3","1") = "9"
    & skf18("8","3","3","7","10","4","1") = "9"
    & skf18("8","3","3","7","10","5","1") = "9"
    & skf18("8","3","3","7","10","6","1") = "9"
    & skf18("8","3","3","7","10","7","1") = "9"
    & skf18("8","3","3","7","10","8","1") = "9"
    & skf18("8","3","3","7","10","9","1") = "9"
    & skf18("8","3","3","7","10","10","1") = "9"
    & skf18("8","3","3","8","1","1","1") = "7"
    & skf18("8","3","3","8","1","2","1") = "7"
    & skf18("8","3","3","8","1","3","1") = "7"
    & skf18("8","3","3","8","1","4","1") = "7"
    & skf18("8","3","3","8","1","5","1") = "7"
    & skf18("8","3","3","8","1","6","1") = "7"
    & skf18("8","3","3","8","1","7","1") = "7"
    & skf18("8","3","3","8","1","8","1") = "7"
    & skf18("8","3","3","8","1","9","1") = "8"
    & skf18("8","3","3","8","1","10","1") = "9"
    & skf18("8","3","3","8","2","1","1") = "7"
    & skf18("8","3","3","8","2","2","1") = "7"
    & skf18("8","3","3","8","2","3","1") = "7"
    & skf18("8","3","3","8","2","4","1") = "7"
    & skf18("8","3","3","8","2","5","1") = "7"
    & skf18("8","3","3","8","2","6","1") = "7"
    & skf18("8","3","3","8","2","7","1") = "7"
    & skf18("8","3","3","8","2","8","1") = "7"
    & skf18("8","3","3","8","2","9","1") = "8"
    & skf18("8","3","3","8","2","10","1") = "9"
    & skf18("8","3","3","8","3","1","1") = "7"
    & skf18("8","3","3","8","3","2","1") = "7"
    & skf18("8","3","3","8","3","3","1") = "7"
    & skf18("8","3","3","8","3","4","1") = "7"
    & skf18("8","3","3","8","3","5","1") = "7"
    & skf18("8","3","3","8","3","6","1") = "7"
    & skf18("8","3","3","8","3","7","1") = "7"
    & skf18("8","3","3","8","3","8","1") = "7"
    & skf18("8","3","3","8","3","9","1") = "8"
    & skf18("8","3","3","8","3","10","1") = "9"
    & skf18("8","3","3","8","4","1","1") = "7"
    & skf18("8","3","3","8","4","2","1") = "7"
    & skf18("8","3","3","8","4","3","1") = "7"
    & skf18("8","3","3","8","4","4","1") = "7"
    & skf18("8","3","3","8","4","5","1") = "7"
    & skf18("8","3","3","8","4","6","1") = "7"
    & skf18("8","3","3","8","4","7","1") = "7"
    & skf18("8","3","3","8","4","8","1") = "7"
    & skf18("8","3","3","8","4","9","1") = "8"
    & skf18("8","3","3","8","4","10","1") = "9"
    & skf18("8","3","3","8","5","1","1") = "7"
    & skf18("8","3","3","8","5","2","1") = "7"
    & skf18("8","3","3","8","5","3","1") = "7"
    & skf18("8","3","3","8","5","4","1") = "7"
    & skf18("8","3","3","8","5","5","1") = "7"
    & skf18("8","3","3","8","5","6","1") = "7"
    & skf18("8","3","3","8","5","7","1") = "7"
    & skf18("8","3","3","8","5","8","1") = "7"
    & skf18("8","3","3","8","5","9","1") = "8"
    & skf18("8","3","3","8","5","10","1") = "9"
    & skf18("8","3","3","8","6","1","1") = "7"
    & skf18("8","3","3","8","6","2","1") = "7"
    & skf18("8","3","3","8","6","3","1") = "7"
    & skf18("8","3","3","8","6","4","1") = "7"
    & skf18("8","3","3","8","6","5","1") = "7"
    & skf18("8","3","3","8","6","6","1") = "7"
    & skf18("8","3","3","8","6","7","1") = "7"
    & skf18("8","3","3","8","6","8","1") = "7"
    & skf18("8","3","3","8","6","9","1") = "8"
    & skf18("8","3","3","8","6","10","1") = "9"
    & skf18("8","3","3","8","7","1","1") = "7"
    & skf18("8","3","3","8","7","2","1") = "7"
    & skf18("8","3","3","8","7","3","1") = "7"
    & skf18("8","3","3","8","7","4","1") = "7"
    & skf18("8","3","3","8","7","5","1") = "7"
    & skf18("8","3","3","8","7","6","1") = "7"
    & skf18("8","3","3","8","7","7","1") = "7"
    & skf18("8","3","3","8","7","8","1") = "7"
    & skf18("8","3","3","8","7","9","1") = "8"
    & skf18("8","3","3","8","7","10","1") = "9"
    & skf18("8","3","3","8","8","1","1") = "7"
    & skf18("8","3","3","8","8","2","1") = "7"
    & skf18("8","3","3","8","8","3","1") = "7"
    & skf18("8","3","3","8","8","4","1") = "7"
    & skf18("8","3","3","8","8","5","1") = "7"
    & skf18("8","3","3","8","8","6","1") = "7"
    & skf18("8","3","3","8","8","7","1") = "7"
    & skf18("8","3","3","8","8","8","1") = "7"
    & skf18("8","3","3","8","8","9","1") = "8"
    & skf18("8","3","3","8","8","10","1") = "9"
    & skf18("8","3","3","8","9","1","1") = "8"
    & skf18("8","3","3","8","9","2","1") = "8"
    & skf18("8","3","3","8","9","3","1") = "8"
    & skf18("8","3","3","8","9","4","1") = "8"
    & skf18("8","3","3","8","9","5","1") = "8"
    & skf18("8","3","3","8","9","6","1") = "8"
    & skf18("8","3","3","8","9","7","1") = "8"
    & skf18("8","3","3","8","9","8","1") = "8"
    & skf18("8","3","3","8","9","9","1") = "8"
    & skf18("8","3","3","8","9","10","1") = "9"
    & skf18("8","3","3","8","10","1","1") = "9"
    & skf18("8","3","3","8","10","2","1") = "9"
    & skf18("8","3","3","8","10","3","1") = "9"
    & skf18("8","3","3","8","10","4","1") = "9"
    & skf18("8","3","3","8","10","5","1") = "9"
    & skf18("8","3","3","8","10","6","1") = "9"
    & skf18("8","3","3","8","10","7","1") = "9"
    & skf18("8","3","3","8","10","8","1") = "9"
    & skf18("8","3","3","8","10","9","1") = "9"
    & skf18("8","3","3","8","10","10","1") = "9"
    & skf18("8","3","3","9","1","1","1") = "8"
    & skf18("8","3","3","9","1","2","1") = "8"
    & skf18("8","3","3","9","1","3","1") = "8"
    & skf18("8","3","3","9","1","4","1") = "8"
    & skf18("8","3","3","9","1","5","1") = "8"
    & skf18("8","3","3","9","1","6","1") = "8"
    & skf18("8","3","3","9","1","7","1") = "8"
    & skf18("8","3","3","9","1","8","1") = "8"
    & skf18("8","3","3","9","1","9","1") = "8"
    & skf18("8","3","3","9","1","10","1") = "9"
    & skf18("8","3","3","9","2","1","1") = "8"
    & skf18("8","3","3","9","2","2","1") = "8"
    & skf18("8","3","3","9","2","3","1") = "8"
    & skf18("8","3","3","9","2","4","1") = "8"
    & skf18("8","3","3","9","2","5","1") = "8"
    & skf18("8","3","3","9","2","6","1") = "8"
    & skf18("8","3","3","9","2","7","1") = "8"
    & skf18("8","3","3","9","2","8","1") = "8"
    & skf18("8","3","3","9","2","9","1") = "8"
    & skf18("8","3","3","9","2","10","1") = "9"
    & skf18("8","3","3","9","3","1","1") = "8"
    & skf18("8","3","3","9","3","2","1") = "8"
    & skf18("8","3","3","9","3","3","1") = "8"
    & skf18("8","3","3","9","3","4","1") = "8"
    & skf18("8","3","3","9","3","5","1") = "8"
    & skf18("8","3","3","9","3","6","1") = "8"
    & skf18("8","3","3","9","3","7","1") = "8"
    & skf18("8","3","3","9","3","8","1") = "8"
    & skf18("8","3","3","9","3","9","1") = "8"
    & skf18("8","3","3","9","3","10","1") = "9"
    & skf18("8","3","3","9","4","1","1") = "8"
    & skf18("8","3","3","9","4","2","1") = "8"
    & skf18("8","3","3","9","4","3","1") = "8"
    & skf18("8","3","3","9","4","4","1") = "8"
    & skf18("8","3","3","9","4","5","1") = "8"
    & skf18("8","3","3","9","4","6","1") = "8"
    & skf18("8","3","3","9","4","7","1") = "8"
    & skf18("8","3","3","9","4","8","1") = "8"
    & skf18("8","3","3","9","4","9","1") = "8"
    & skf18("8","3","3","9","4","10","1") = "9"
    & skf18("8","3","3","9","5","1","1") = "8"
    & skf18("8","3","3","9","5","2","1") = "8"
    & skf18("8","3","3","9","5","3","1") = "8"
    & skf18("8","3","3","9","5","4","1") = "8"
    & skf18("8","3","3","9","5","5","1") = "8"
    & skf18("8","3","3","9","5","6","1") = "8"
    & skf18("8","3","3","9","5","7","1") = "8"
    & skf18("8","3","3","9","5","8","1") = "8"
    & skf18("8","3","3","9","5","9","1") = "8"
    & skf18("8","3","3","9","5","10","1") = "9"
    & skf18("8","3","3","9","6","1","1") = "8"
    & skf18("8","3","3","9","6","2","1") = "8"
    & skf18("8","3","3","9","6","3","1") = "8"
    & skf18("8","3","3","9","6","4","1") = "8"
    & skf18("8","3","3","9","6","5","1") = "8"
    & skf18("8","3","3","9","6","6","1") = "8"
    & skf18("8","3","3","9","6","7","1") = "8"
    & skf18("8","3","3","9","6","8","1") = "8"
    & skf18("8","3","3","9","6","9","1") = "8"
    & skf18("8","3","3","9","6","10","1") = "9"
    & skf18("8","3","3","9","7","1","1") = "8"
    & skf18("8","3","3","9","7","2","1") = "8"
    & skf18("8","3","3","9","7","3","1") = "8"
    & skf18("8","3","3","9","7","4","1") = "8"
    & skf18("8","3","3","9","7","5","1") = "8"
    & skf18("8","3","3","9","7","6","1") = "8"
    & skf18("8","3","3","9","7","7","1") = "8"
    & skf18("8","3","3","9","7","8","1") = "8"
    & skf18("8","3","3","9","7","9","1") = "8"
    & skf18("8","3","3","9","7","10","1") = "9"
    & skf18("8","3","3","9","8","1","1") = "8"
    & skf18("8","3","3","9","8","2","1") = "8"
    & skf18("8","3","3","9","8","3","1") = "8"
    & skf18("8","3","3","9","8","4","1") = "8"
    & skf18("8","3","3","9","8","5","1") = "8"
    & skf18("8","3","3","9","8","6","1") = "8"
    & skf18("8","3","3","9","8","7","1") = "8"
    & skf18("8","3","3","9","8","8","1") = "8"
    & skf18("8","3","3","9","8","9","1") = "8"
    & skf18("8","3","3","9","8","10","1") = "9"
    & skf18("8","3","3","9","9","1","1") = "8"
    & skf18("8","3","3","9","9","2","1") = "8"
    & skf18("8","3","3","9","9","3","1") = "8"
    & skf18("8","3","3","9","9","4","1") = "8"
    & skf18("8","3","3","9","9","5","1") = "8"
    & skf18("8","3","3","9","9","6","1") = "8"
    & skf18("8","3","3","9","9","7","1") = "8"
    & skf18("8","3","3","9","9","8","1") = "8"
    & skf18("8","3","3","9","9","9","1") = "8"
    & skf18("8","3","3","9","9","10","1") = "9"
    & skf18("8","3","3","9","10","1","1") = "9"
    & skf18("8","3","3","9","10","2","1") = "9"
    & skf18("8","3","3","9","10","3","1") = "9"
    & skf18("8","3","3","9","10","4","1") = "9"
    & skf18("8","3","3","9","10","5","1") = "9"
    & skf18("8","3","3","9","10","6","1") = "9"
    & skf18("8","3","3","9","10","7","1") = "9"
    & skf18("8","3","3","9","10","8","1") = "9"
    & skf18("8","3","3","9","10","9","1") = "9"
    & skf18("8","3","3","9","10","10","1") = "9"
    & skf18("8","3","3","10","1","1","1") = "9"
    & skf18("8","3","3","10","1","2","1") = "9"
    & skf18("8","3","3","10","1","3","1") = "9"
    & skf18("8","3","3","10","1","4","1") = "9"
    & skf18("8","3","3","10","1","5","1") = "9"
    & skf18("8","3","3","10","1","6","1") = "9"
    & skf18("8","3","3","10","1","7","1") = "9"
    & skf18("8","3","3","10","1","8","1") = "9"
    & skf18("8","3","3","10","1","9","1") = "9"
    & skf18("8","3","3","10","1","10","1") = "9"
    & skf18("8","3","3","10","2","1","1") = "9"
    & skf18("8","3","3","10","2","2","1") = "9"
    & skf18("8","3","3","10","2","3","1") = "9"
    & skf18("8","3","3","10","2","4","1") = "9"
    & skf18("8","3","3","10","2","5","1") = "9"
    & skf18("8","3","3","10","2","6","1") = "9"
    & skf18("8","3","3","10","2","7","1") = "9"
    & skf18("8","3","3","10","2","8","1") = "9"
    & skf18("8","3","3","10","2","9","1") = "9"
    & skf18("8","3","3","10","2","10","1") = "9"
    & skf18("8","3","3","10","3","1","1") = "9"
    & skf18("8","3","3","10","3","2","1") = "9"
    & skf18("8","3","3","10","3","3","1") = "9"
    & skf18("8","3","3","10","3","4","1") = "9"
    & skf18("8","3","3","10","3","5","1") = "9"
    & skf18("8","3","3","10","3","6","1") = "9"
    & skf18("8","3","3","10","3","7","1") = "9"
    & skf18("8","3","3","10","3","8","1") = "9"
    & skf18("8","3","3","10","3","9","1") = "9"
    & skf18("8","3","3","10","3","10","1") = "9"
    & skf18("8","3","3","10","4","1","1") = "9"
    & skf18("8","3","3","10","4","2","1") = "9"
    & skf18("8","3","3","10","4","3","1") = "9"
    & skf18("8","3","3","10","4","4","1") = "9"
    & skf18("8","3","3","10","4","5","1") = "9"
    & skf18("8","3","3","10","4","6","1") = "9"
    & skf18("8","3","3","10","4","7","1") = "9"
    & skf18("8","3","3","10","4","8","1") = "9"
    & skf18("8","3","3","10","4","9","1") = "9"
    & skf18("8","3","3","10","4","10","1") = "9"
    & skf18("8","3","3","10","5","1","1") = "9"
    & skf18("8","3","3","10","5","2","1") = "9"
    & skf18("8","3","3","10","5","3","1") = "9"
    & skf18("8","3","3","10","5","4","1") = "9"
    & skf18("8","3","3","10","5","5","1") = "9"
    & skf18("8","3","3","10","5","6","1") = "9"
    & skf18("8","3","3","10","5","7","1") = "9"
    & skf18("8","3","3","10","5","8","1") = "9"
    & skf18("8","3","3","10","5","9","1") = "9"
    & skf18("8","3","3","10","5","10","1") = "9"
    & skf18("8","3","3","10","6","1","1") = "9"
    & skf18("8","3","3","10","6","2","1") = "9"
    & skf18("8","3","3","10","6","3","1") = "9"
    & skf18("8","3","3","10","6","4","1") = "9"
    & skf18("8","3","3","10","6","5","1") = "9"
    & skf18("8","3","3","10","6","6","1") = "9"
    & skf18("8","3","3","10","6","7","1") = "9"
    & skf18("8","3","3","10","6","8","1") = "9"
    & skf18("8","3","3","10","6","9","1") = "9"
    & skf18("8","3","3","10","6","10","1") = "9"
    & skf18("8","3","3","10","7","1","1") = "9"
    & skf18("8","3","3","10","7","2","1") = "9"
    & skf18("8","3","3","10","7","3","1") = "9"
    & skf18("8","3","3","10","7","4","1") = "9"
    & skf18("8","3","3","10","7","5","1") = "9"
    & skf18("8","3","3","10","7","6","1") = "9"
    & skf18("8","3","3","10","7","7","1") = "9"
    & skf18("8","3","3","10","7","8","1") = "9"
    & skf18("8","3","3","10","7","9","1") = "9"
    & skf18("8","3","3","10","7","10","1") = "9"
    & skf18("8","3","3","10","8","1","1") = "9"
    & skf18("8","3","3","10","8","2","1") = "9"
    & skf18("8","3","3","10","8","3","1") = "9"
    & skf18("8","3","3","10","8","4","1") = "9"
    & skf18("8","3","3","10","8","5","1") = "9"
    & skf18("8","3","3","10","8","6","1") = "9"
    & skf18("8","3","3","10","8","7","1") = "9"
    & skf18("8","3","3","10","8","8","1") = "9"
    & skf18("8","3","3","10","8","9","1") = "9"
    & skf18("8","3","3","10","8","10","1") = "9"
    & skf18("8","3","3","10","9","1","1") = "9"
    & skf18("8","3","3","10","9","2","1") = "9"
    & skf18("8","3","3","10","9","3","1") = "9"
    & skf18("8","3","3","10","9","4","1") = "9"
    & skf18("8","3","3","10","9","5","1") = "9"
    & skf18("8","3","3","10","9","6","1") = "9"
    & skf18("8","3","3","10","9","7","1") = "9"
    & skf18("8","3","3","10","9","8","1") = "9"
    & skf18("8","3","3","10","9","9","1") = "9"
    & skf18("8","3","3","10","9","10","1") = "9"
    & skf18("8","3","3","10","10","1","1") = "9"
    & skf18("8","3","3","10","10","2","1") = "9"
    & skf18("8","3","3","10","10","3","1") = "9"
    & skf18("8","3","3","10","10","4","1") = "9"
    & skf18("8","3","3","10","10","5","1") = "9"
    & skf18("8","3","3","10","10","6","1") = "9"
    & skf18("8","3","3","10","10","7","1") = "9"
    & skf18("8","3","3","10","10","8","1") = "9"
    & skf18("8","3","3","10","10","9","1") = "9"
    & skf18("8","3","3","10","10","10","1") = "9"
    & skf18("8","3","4","1","1","1","1") = "7"
    & skf18("8","3","4","1","1","2","1") = "7"
    & skf18("8","3","4","1","1","3","1") = "7"
    & skf18("8","3","4","1","1","4","1") = "7"
    & skf18("8","3","4","1","1","5","1") = "7"
    & skf18("8","3","4","1","1","6","1") = "7"
    & skf18("8","3","4","1","1","7","1") = "7"
    & skf18("8","3","4","1","1","8","1") = "7"
    & skf18("8","3","4","1","1","9","1") = "8"
    & skf18("8","3","4","1","1","10","1") = "9"
    & skf18("8","3","4","1","2","1","1") = "7"
    & skf18("8","3","4","1","2","2","1") = "7"
    & skf18("8","3","4","1","2","3","1") = "7"
    & skf18("8","3","4","1","2","4","1") = "7"
    & skf18("8","3","4","1","2","5","1") = "7"
    & skf18("8","3","4","1","2","6","1") = "7"
    & skf18("8","3","4","1","2","7","1") = "7"
    & skf18("8","3","4","1","2","8","1") = "7"
    & skf18("8","3","4","1","2","9","1") = "8"
    & skf18("8","3","4","1","2","10","1") = "9"
    & skf18("8","3","4","1","3","1","1") = "7"
    & skf18("8","3","4","1","3","2","1") = "7"
    & skf18("8","3","4","1","3","3","1") = "7"
    & skf18("8","3","4","1","3","4","1") = "7"
    & skf18("8","3","4","1","3","5","1") = "7"
    & skf18("8","3","4","1","3","6","1") = "7"
    & skf18("8","3","4","1","3","7","1") = "7"
    & skf18("8","3","4","1","3","8","1") = "7"
    & skf18("8","3","4","1","3","9","1") = "8"
    & skf18("8","3","4","1","3","10","1") = "9"
    & skf18("8","3","4","1","4","1","1") = "7"
    & skf18("8","3","4","1","4","2","1") = "7"
    & skf18("8","3","4","1","4","3","1") = "7"
    & skf18("8","3","4","1","4","4","1") = "7"
    & skf18("8","3","4","1","4","5","1") = "7"
    & skf18("8","3","4","1","4","6","1") = "7"
    & skf18("8","3","4","1","4","7","1") = "7"
    & skf18("8","3","4","1","4","8","1") = "7"
    & skf18("8","3","4","1","4","9","1") = "8"
    & skf18("8","3","4","1","4","10","1") = "9"
    & skf18("8","3","4","1","5","1","1") = "7"
    & skf18("8","3","4","1","5","2","1") = "7"
    & skf18("8","3","4","1","5","3","1") = "7"
    & skf18("8","3","4","1","5","4","1") = "7"
    & skf18("8","3","4","1","5","5","1") = "7"
    & skf18("8","3","4","1","5","6","1") = "7"
    & skf18("8","3","4","1","5","7","1") = "7"
    & skf18("8","3","4","1","5","8","1") = "7"
    & skf18("8","3","4","1","5","9","1") = "8"
    & skf18("8","3","4","1","5","10","1") = "9"
    & skf18("8","3","4","1","6","1","1") = "7"
    & skf18("8","3","4","1","6","2","1") = "7"
    & skf18("8","3","4","1","6","3","1") = "7"
    & skf18("8","3","4","1","6","4","1") = "7"
    & skf18("8","3","4","1","6","5","1") = "7"
    & skf18("8","3","4","1","6","6","1") = "7"
    & skf18("8","3","4","1","6","7","1") = "7"
    & skf18("8","3","4","1","6","8","1") = "7"
    & skf18("8","3","4","1","6","9","1") = "8"
    & skf18("8","3","4","1","6","10","1") = "9"
    & skf18("8","3","4","1","7","1","1") = "7"
    & skf18("8","3","4","1","7","2","1") = "7"
    & skf18("8","3","4","1","7","3","1") = "7"
    & skf18("8","3","4","1","7","4","1") = "7"
    & skf18("8","3","4","1","7","5","1") = "7"
    & skf18("8","3","4","1","7","6","1") = "7"
    & skf18("8","3","4","1","7","7","1") = "7"
    & skf18("8","3","4","1","7","8","1") = "7"
    & skf18("8","3","4","1","7","9","1") = "8"
    & skf18("8","3","4","1","7","10","1") = "9"
    & skf18("8","3","4","1","8","1","1") = "7"
    & skf18("8","3","4","1","8","2","1") = "7"
    & skf18("8","3","4","1","8","3","1") = "7"
    & skf18("8","3","4","1","8","4","1") = "7"
    & skf18("8","3","4","1","8","5","1") = "7"
    & skf18("8","3","4","1","8","6","1") = "7"
    & skf18("8","3","4","1","8","7","1") = "7"
    & skf18("8","3","4","1","8","8","1") = "7"
    & skf18("8","3","4","1","8","9","1") = "8"
    & skf18("8","3","4","1","8","10","1") = "9"
    & skf18("8","3","4","1","9","1","1") = "8"
    & skf18("8","3","4","1","9","2","1") = "8"
    & skf18("8","3","4","1","9","3","1") = "8"
    & skf18("8","3","4","1","9","4","1") = "8"
    & skf18("8","3","4","1","9","5","1") = "8"
    & skf18("8","3","4","1","9","6","1") = "8"
    & skf18("8","3","4","1","9","7","1") = "8"
    & skf18("8","3","4","1","9","8","1") = "8"
    & skf18("8","3","4","1","9","9","1") = "8"
    & skf18("8","3","4","1","9","10","1") = "9"
    & skf18("8","3","4","1","10","1","1") = "9"
    & skf18("8","3","4","1","10","2","1") = "9"
    & skf18("8","3","4","1","10","3","1") = "9"
    & skf18("8","3","4","1","10","4","1") = "9"
    & skf18("8","3","4","1","10","5","1") = "9"
    & skf18("8","3","4","1","10","6","1") = "9"
    & skf18("8","3","4","1","10","7","1") = "9"
    & skf18("8","3","4","1","10","8","1") = "9"
    & skf18("8","3","4","1","10","9","1") = "9"
    & skf18("8","3","4","1","10","10","1") = "9"
    & skf18("8","3","4","2","1","1","1") = "7"
    & skf18("8","3","4","2","1","2","1") = "7"
    & skf18("8","3","4","2","1","3","1") = "7"
    & skf18("8","3","4","2","1","4","1") = "7"
    & skf18("8","3","4","2","1","5","1") = "7"
    & skf18("8","3","4","2","1","6","1") = "7"
    & skf18("8","3","4","2","1","7","1") = "7"
    & skf18("8","3","4","2","1","8","1") = "7"
    & skf18("8","3","4","2","1","9","1") = "8"
    & skf18("8","3","4","2","1","10","1") = "9"
    & skf18("8","3","4","2","2","1","1") = "7"
    & skf18("8","3","4","2","2","2","1") = "7"
    & skf18("8","3","4","2","2","3","1") = "7"
    & skf18("8","3","4","2","2","4","1") = "7"
    & skf18("8","3","4","2","2","5","1") = "7"
    & skf18("8","3","4","2","2","6","1") = "7"
    & skf18("8","3","4","2","2","7","1") = "7"
    & skf18("8","3","4","2","2","8","1") = "7"
    & skf18("8","3","4","2","2","9","1") = "8"
    & skf18("8","3","4","2","2","10","1") = "9"
    & skf18("8","3","4","2","3","1","1") = "7"
    & skf18("8","3","4","2","3","2","1") = "7"
    & skf18("8","3","4","2","3","3","1") = "7"
    & skf18("8","3","4","2","3","4","1") = "7"
    & skf18("8","3","4","2","3","5","1") = "7"
    & skf18("8","3","4","2","3","6","1") = "7"
    & skf18("8","3","4","2","3","7","1") = "7"
    & skf18("8","3","4","2","3","8","1") = "7"
    & skf18("8","3","4","2","3","9","1") = "8"
    & skf18("8","3","4","2","3","10","1") = "9"
    & skf18("8","3","4","2","4","1","1") = "7"
    & skf18("8","3","4","2","4","2","1") = "7"
    & skf18("8","3","4","2","4","3","1") = "7"
    & skf18("8","3","4","2","4","4","1") = "7"
    & skf18("8","3","4","2","4","5","1") = "7"
    & skf18("8","3","4","2","4","6","1") = "7"
    & skf18("8","3","4","2","4","7","1") = "7"
    & skf18("8","3","4","2","4","8","1") = "7"
    & skf18("8","3","4","2","4","9","1") = "8"
    & skf18("8","3","4","2","4","10","1") = "9"
    & skf18("8","3","4","2","5","1","1") = "7"
    & skf18("8","3","4","2","5","2","1") = "7"
    & skf18("8","3","4","2","5","3","1") = "7"
    & skf18("8","3","4","2","5","4","1") = "7"
    & skf18("8","3","4","2","5","5","1") = "7"
    & skf18("8","3","4","2","5","6","1") = "7"
    & skf18("8","3","4","2","5","7","1") = "7"
    & skf18("8","3","4","2","5","8","1") = "7"
    & skf18("8","3","4","2","5","9","1") = "8"
    & skf18("8","3","4","2","5","10","1") = "9"
    & skf18("8","3","4","2","6","1","1") = "7"
    & skf18("8","3","4","2","6","2","1") = "7"
    & skf18("8","3","4","2","6","3","1") = "7"
    & skf18("8","3","4","2","6","4","1") = "7"
    & skf18("8","3","4","2","6","5","1") = "7"
    & skf18("8","3","4","2","6","6","1") = "7"
    & skf18("8","3","4","2","6","7","1") = "7"
    & skf18("8","3","4","2","6","8","1") = "7"
    & skf18("8","3","4","2","6","9","1") = "8"
    & skf18("8","3","4","2","6","10","1") = "9"
    & skf18("8","3","4","2","7","1","1") = "7"
    & skf18("8","3","4","2","7","2","1") = "7"
    & skf18("8","3","4","2","7","3","1") = "7"
    & skf18("8","3","4","2","7","4","1") = "7"
    & skf18("8","3","4","2","7","5","1") = "7"
    & skf18("8","3","4","2","7","6","1") = "7"
    & skf18("8","3","4","2","7","7","1") = "7"
    & skf18("8","3","4","2","7","8","1") = "7"
    & skf18("8","3","4","2","7","9","1") = "8"
    & skf18("8","3","4","2","7","10","1") = "9"
    & skf18("8","3","4","2","8","1","1") = "7"
    & skf18("8","3","4","2","8","2","1") = "7"
    & skf18("8","3","4","2","8","3","1") = "7"
    & skf18("8","3","4","2","8","4","1") = "7"
    & skf18("8","3","4","2","8","5","1") = "7"
    & skf18("8","3","4","2","8","6","1") = "7"
    & skf18("8","3","4","2","8","7","1") = "7"
    & skf18("8","3","4","2","8","8","1") = "7"
    & skf18("8","3","4","2","8","9","1") = "8"
    & skf18("8","3","4","2","8","10","1") = "9"
    & skf18("8","3","4","2","9","1","1") = "8"
    & skf18("8","3","4","2","9","2","1") = "8"
    & skf18("8","3","4","2","9","3","1") = "8"
    & skf18("8","3","4","2","9","4","1") = "8"
    & skf18("8","3","4","2","9","5","1") = "8"
    & skf18("8","3","4","2","9","6","1") = "8"
    & skf18("8","3","4","2","9","7","1") = "8"
    & skf18("8","3","4","2","9","8","1") = "8"
    & skf18("8","3","4","2","9","9","1") = "8"
    & skf18("8","3","4","2","9","10","1") = "9"
    & skf18("8","3","4","2","10","1","1") = "9"
    & skf18("8","3","4","2","10","2","1") = "9"
    & skf18("8","3","4","2","10","3","1") = "9"
    & skf18("8","3","4","2","10","4","1") = "9"
    & skf18("8","3","4","2","10","5","1") = "9"
    & skf18("8","3","4","2","10","6","1") = "9"
    & skf18("8","3","4","2","10","7","1") = "9"
    & skf18("8","3","4","2","10","8","1") = "9"
    & skf18("8","3","4","2","10","9","1") = "9"
    & skf18("8","3","4","2","10","10","1") = "9"
    & skf18("8","3","4","3","1","1","1") = "7"
    & skf18("8","3","4","3","1","2","1") = "7"
    & skf18("8","3","4","3","1","3","1") = "7"
    & skf18("8","3","4","3","1","4","1") = "7"
    & skf18("8","3","4","3","1","5","1") = "7"
    & skf18("8","3","4","3","1","6","1") = "7"
    & skf18("8","3","4","3","1","7","1") = "7"
    & skf18("8","3","4","3","1","8","1") = "7"
    & skf18("8","3","4","3","1","9","1") = "8"
    & skf18("8","3","4","3","1","10","1") = "9"
    & skf18("8","3","4","3","2","1","1") = "7"
    & skf18("8","3","4","3","2","2","1") = "7"
    & skf18("8","3","4","3","2","3","1") = "7"
    & skf18("8","3","4","3","2","4","1") = "7"
    & skf18("8","3","4","3","2","5","1") = "7"
    & skf18("8","3","4","3","2","6","1") = "7"
    & skf18("8","3","4","3","2","7","1") = "7"
    & skf18("8","3","4","3","2","8","1") = "7"
    & skf18("8","3","4","3","2","9","1") = "8"
    & skf18("8","3","4","3","2","10","1") = "9"
    & skf18("8","3","4","3","3","1","1") = "7"
    & skf18("8","3","4","3","3","2","1") = "7"
    & skf18("8","3","4","3","3","3","1") = "7"
    & skf18("8","3","4","3","3","4","1") = "7"
    & skf18("8","3","4","3","3","5","1") = "7"
    & skf18("8","3","4","3","3","6","1") = "7"
    & skf18("8","3","4","3","3","7","1") = "7"
    & skf18("8","3","4","3","3","8","1") = "7"
    & skf18("8","3","4","3","3","9","1") = "8"
    & skf18("8","3","4","3","3","10","1") = "9"
    & skf18("8","3","4","3","4","1","1") = "7"
    & skf18("8","3","4","3","4","2","1") = "7"
    & skf18("8","3","4","3","4","3","1") = "7"
    & skf18("8","3","4","3","4","4","1") = "7"
    & skf18("8","3","4","3","4","5","1") = "7"
    & skf18("8","3","4","3","4","6","1") = "7"
    & skf18("8","3","4","3","4","7","1") = "7"
    & skf18("8","3","4","3","4","8","1") = "7"
    & skf18("8","3","4","3","4","9","1") = "8"
    & skf18("8","3","4","3","4","10","1") = "9"
    & skf18("8","3","4","3","5","1","1") = "7"
    & skf18("8","3","4","3","5","2","1") = "7"
    & skf18("8","3","4","3","5","3","1") = "7"
    & skf18("8","3","4","3","5","4","1") = "7"
    & skf18("8","3","4","3","5","5","1") = "7"
    & skf18("8","3","4","3","5","6","1") = "7"
    & skf18("8","3","4","3","5","7","1") = "7"
    & skf18("8","3","4","3","5","8","1") = "7"
    & skf18("8","3","4","3","5","9","1") = "8"
    & skf18("8","3","4","3","5","10","1") = "9"
    & skf18("8","3","4","3","6","1","1") = "7"
    & skf18("8","3","4","3","6","2","1") = "7"
    & skf18("8","3","4","3","6","3","1") = "7"
    & skf18("8","3","4","3","6","4","1") = "7"
    & skf18("8","3","4","3","6","5","1") = "7"
    & skf18("8","3","4","3","6","6","1") = "7"
    & skf18("8","3","4","3","6","7","1") = "7"
    & skf18("8","3","4","3","6","8","1") = "7"
    & skf18("8","3","4","3","6","9","1") = "8"
    & skf18("8","3","4","3","6","10","1") = "9"
    & skf18("8","3","4","3","7","1","1") = "7"
    & skf18("8","3","4","3","7","2","1") = "7"
    & skf18("8","3","4","3","7","3","1") = "7"
    & skf18("8","3","4","3","7","4","1") = "7"
    & skf18("8","3","4","3","7","5","1") = "7"
    & skf18("8","3","4","3","7","6","1") = "7"
    & skf18("8","3","4","3","7","7","1") = "7"
    & skf18("8","3","4","3","7","8","1") = "7"
    & skf18("8","3","4","3","7","9","1") = "8"
    & skf18("8","3","4","3","7","10","1") = "9"
    & skf18("8","3","4","3","8","1","1") = "7"
    & skf18("8","3","4","3","8","2","1") = "7"
    & skf18("8","3","4","3","8","3","1") = "7"
    & skf18("8","3","4","3","8","4","1") = "7"
    & skf18("8","3","4","3","8","5","1") = "7"
    & skf18("8","3","4","3","8","6","1") = "7"
    & skf18("8","3","4","3","8","7","1") = "7"
    & skf18("8","3","4","3","8","8","1") = "7"
    & skf18("8","3","4","3","8","9","1") = "8"
    & skf18("8","3","4","3","8","10","1") = "9"
    & skf18("8","3","4","3","9","1","1") = "8"
    & skf18("8","3","4","3","9","2","1") = "8"
    & skf18("8","3","4","3","9","3","1") = "8"
    & skf18("8","3","4","3","9","4","1") = "8"
    & skf18("8","3","4","3","9","5","1") = "8"
    & skf18("8","3","4","3","9","6","1") = "8"
    & skf18("8","3","4","3","9","7","1") = "8"
    & skf18("8","3","4","3","9","8","1") = "8"
    & skf18("8","3","4","3","9","9","1") = "8"
    & skf18("8","3","4","3","9","10","1") = "9"
    & skf18("8","3","4","3","10","1","1") = "9"
    & skf18("8","3","4","3","10","2","1") = "9"
    & skf18("8","3","4","3","10","3","1") = "9"
    & skf18("8","3","4","3","10","4","1") = "9"
    & skf18("8","3","4","3","10","5","1") = "9"
    & skf18("8","3","4","3","10","6","1") = "9"
    & skf18("8","3","4","3","10","7","1") = "9"
    & skf18("8","3","4","3","10","8","1") = "9"
    & skf18("8","3","4","3","10","9","1") = "9"
    & skf18("8","3","4","3","10","10","1") = "9"
    & skf18("8","3","4","4","1","1","1") = "7"
    & skf18("8","3","4","4","1","2","1") = "7"
    & skf18("8","3","4","4","1","3","1") = "7"
    & skf18("8","3","4","4","1","4","1") = "7"
    & skf18("8","3","4","4","1","5","1") = "7"
    & skf18("8","3","4","4","1","6","1") = "7"
    & skf18("8","3","4","4","1","7","1") = "7"
    & skf18("8","3","4","4","1","8","1") = "7"
    & skf18("8","3","4","4","1","9","1") = "8"
    & skf18("8","3","4","4","1","10","1") = "9"
    & skf18("8","3","4","4","2","1","1") = "7"
    & skf18("8","3","4","4","2","2","1") = "7"
    & skf18("8","3","4","4","2","3","1") = "7"
    & skf18("8","3","4","4","2","4","1") = "7"
    & skf18("8","3","4","4","2","5","1") = "7"
    & skf18("8","3","4","4","2","6","1") = "7"
    & skf18("8","3","4","4","2","7","1") = "7"
    & skf18("8","3","4","4","2","8","1") = "7"
    & skf18("8","3","4","4","2","9","1") = "8"
    & skf18("8","3","4","4","2","10","1") = "9"
    & skf18("8","3","4","4","3","1","1") = "7"
    & skf18("8","3","4","4","3","2","1") = "7"
    & skf18("8","3","4","4","3","3","1") = "7"
    & skf18("8","3","4","4","3","4","1") = "7"
    & skf18("8","3","4","4","3","5","1") = "7"
    & skf18("8","3","4","4","3","6","1") = "7"
    & skf18("8","3","4","4","3","7","1") = "7"
    & skf18("8","3","4","4","3","8","1") = "7"
    & skf18("8","3","4","4","3","9","1") = "8"
    & skf18("8","3","4","4","3","10","1") = "9"
    & skf18("8","3","4","4","4","1","1") = "7"
    & skf18("8","3","4","4","4","2","1") = "7"
    & skf18("8","3","4","4","4","3","1") = "7"
    & skf18("8","3","4","4","4","4","1") = "7"
    & skf18("8","3","4","4","4","5","1") = "7"
    & skf18("8","3","4","4","4","6","1") = "7"
    & skf18("8","3","4","4","4","7","1") = "7"
    & skf18("8","3","4","4","4","8","1") = "7"
    & skf18("8","3","4","4","4","9","1") = "8"
    & skf18("8","3","4","4","4","10","1") = "9"
    & skf18("8","3","4","4","5","1","1") = "7"
    & skf18("8","3","4","4","5","2","1") = "7"
    & skf18("8","3","4","4","5","3","1") = "7"
    & skf18("8","3","4","4","5","4","1") = "7"
    & skf18("8","3","4","4","5","5","1") = "7"
    & skf18("8","3","4","4","5","6","1") = "7"
    & skf18("8","3","4","4","5","7","1") = "7"
    & skf18("8","3","4","4","5","8","1") = "7"
    & skf18("8","3","4","4","5","9","1") = "8"
    & skf18("8","3","4","4","5","10","1") = "9"
    & skf18("8","3","4","4","6","1","1") = "7"
    & skf18("8","3","4","4","6","2","1") = "7"
    & skf18("8","3","4","4","6","3","1") = "7"
    & skf18("8","3","4","4","6","4","1") = "7"
    & skf18("8","3","4","4","6","5","1") = "7"
    & skf18("8","3","4","4","6","6","1") = "7"
    & skf18("8","3","4","4","6","7","1") = "7"
    & skf18("8","3","4","4","6","8","1") = "7"
    & skf18("8","3","4","4","6","9","1") = "8"
    & skf18("8","3","4","4","6","10","1") = "9"
    & skf18("8","3","4","4","7","1","1") = "7"
    & skf18("8","3","4","4","7","2","1") = "7"
    & skf18("8","3","4","4","7","3","1") = "7"
    & skf18("8","3","4","4","7","4","1") = "7"
    & skf18("8","3","4","4","7","5","1") = "7"
    & skf18("8","3","4","4","7","6","1") = "7"
    & skf18("8","3","4","4","7","7","1") = "7"
    & skf18("8","3","4","4","7","8","1") = "7"
    & skf18("8","3","4","4","7","9","1") = "8"
    & skf18("8","3","4","4","7","10","1") = "9"
    & skf18("8","3","4","4","8","1","1") = "7"
    & skf18("8","3","4","4","8","2","1") = "7"
    & skf18("8","3","4","4","8","3","1") = "7"
    & skf18("8","3","4","4","8","4","1") = "7"
    & skf18("8","3","4","4","8","5","1") = "7"
    & skf18("8","3","4","4","8","6","1") = "7"
    & skf18("8","3","4","4","8","7","1") = "7"
    & skf18("8","3","4","4","8","8","1") = "7"
    & skf18("8","3","4","4","8","9","1") = "8"
    & skf18("8","3","4","4","8","10","1") = "9"
    & skf18("8","3","4","4","9","1","1") = "8"
    & skf18("8","3","4","4","9","2","1") = "8"
    & skf18("8","3","4","4","9","3","1") = "8"
    & skf18("8","3","4","4","9","4","1") = "8"
    & skf18("8","3","4","4","9","5","1") = "8"
    & skf18("8","3","4","4","9","6","1") = "8"
    & skf18("8","3","4","4","9","7","1") = "8"
    & skf18("8","3","4","4","9","8","1") = "8"
    & skf18("8","3","4","4","9","9","1") = "8"
    & skf18("8","3","4","4","9","10","1") = "9"
    & skf18("8","3","4","4","10","1","1") = "9"
    & skf18("8","3","4","4","10","2","1") = "9"
    & skf18("8","3","4","4","10","3","1") = "9"
    & skf18("8","3","4","4","10","4","1") = "9"
    & skf18("8","3","4","4","10","5","1") = "9"
    & skf18("8","3","4","4","10","6","1") = "9"
    & skf18("8","3","4","4","10","7","1") = "9"
    & skf18("8","3","4","4","10","8","1") = "9"
    & skf18("8","3","4","4","10","9","1") = "9"
    & skf18("8","3","4","4","10","10","1") = "9"
    & skf18("8","3","4","5","1","1","1") = "7"
    & skf18("8","3","4","5","1","2","1") = "7"
    & skf18("8","3","4","5","1","3","1") = "7"
    & skf18("8","3","4","5","1","4","1") = "7"
    & skf18("8","3","4","5","1","5","1") = "7"
    & skf18("8","3","4","5","1","6","1") = "7"
    & skf18("8","3","4","5","1","7","1") = "7"
    & skf18("8","3","4","5","1","8","1") = "7"
    & skf18("8","3","4","5","1","9","1") = "8"
    & skf18("8","3","4","5","1","10","1") = "9"
    & skf18("8","3","4","5","2","1","1") = "7"
    & skf18("8","3","4","5","2","2","1") = "7"
    & skf18("8","3","4","5","2","3","1") = "7"
    & skf18("8","3","4","5","2","4","1") = "7"
    & skf18("8","3","4","5","2","5","1") = "7"
    & skf18("8","3","4","5","2","6","1") = "7"
    & skf18("8","3","4","5","2","7","1") = "7"
    & skf18("8","3","4","5","2","8","1") = "7"
    & skf18("8","3","4","5","2","9","1") = "8"
    & skf18("8","3","4","5","2","10","1") = "9"
    & skf18("8","3","4","5","3","1","1") = "7"
    & skf18("8","3","4","5","3","2","1") = "7"
    & skf18("8","3","4","5","3","3","1") = "7"
    & skf18("8","3","4","5","3","4","1") = "7"
    & skf18("8","3","4","5","3","5","1") = "7"
    & skf18("8","3","4","5","3","6","1") = "7"
    & skf18("8","3","4","5","3","7","1") = "7"
    & skf18("8","3","4","5","3","8","1") = "7"
    & skf18("8","3","4","5","3","9","1") = "8"
    & skf18("8","3","4","5","3","10","1") = "9"
    & skf18("8","3","4","5","4","1","1") = "7"
    & skf18("8","3","4","5","4","2","1") = "7"
    & skf18("8","3","4","5","4","3","1") = "7"
    & skf18("8","3","4","5","4","4","1") = "7"
    & skf18("8","3","4","5","4","5","1") = "7"
    & skf18("8","3","4","5","4","6","1") = "7"
    & skf18("8","3","4","5","4","7","1") = "7"
    & skf18("8","3","4","5","4","8","1") = "7"
    & skf18("8","3","4","5","4","9","1") = "8"
    & skf18("8","3","4","5","4","10","1") = "9"
    & skf18("8","3","4","5","5","1","1") = "7"
    & skf18("8","3","4","5","5","2","1") = "7"
    & skf18("8","3","4","5","5","3","1") = "7"
    & skf18("8","3","4","5","5","4","1") = "7"
    & skf18("8","3","4","5","5","5","1") = "7"
    & skf18("8","3","4","5","5","6","1") = "7"
    & skf18("8","3","4","5","5","7","1") = "7"
    & skf18("8","3","4","5","5","8","1") = "7"
    & skf18("8","3","4","5","5","9","1") = "8"
    & skf18("8","3","4","5","5","10","1") = "9"
    & skf18("8","3","4","5","6","1","1") = "7"
    & skf18("8","3","4","5","6","2","1") = "7"
    & skf18("8","3","4","5","6","3","1") = "7"
    & skf18("8","3","4","5","6","4","1") = "7"
    & skf18("8","3","4","5","6","5","1") = "7"
    & skf18("8","3","4","5","6","6","1") = "7"
    & skf18("8","3","4","5","6","7","1") = "7"
    & skf18("8","3","4","5","6","8","1") = "7"
    & skf18("8","3","4","5","6","9","1") = "8"
    & skf18("8","3","4","5","6","10","1") = "9"
    & skf18("8","3","4","5","7","1","1") = "7"
    & skf18("8","3","4","5","7","2","1") = "7"
    & skf18("8","3","4","5","7","3","1") = "7"
    & skf18("8","3","4","5","7","4","1") = "7"
    & skf18("8","3","4","5","7","5","1") = "7"
    & skf18("8","3","4","5","7","6","1") = "7"
    & skf18("8","3","4","5","7","7","1") = "7"
    & skf18("8","3","4","5","7","8","1") = "7"
    & skf18("8","3","4","5","7","9","1") = "8"
    & skf18("8","3","4","5","7","10","1") = "9"
    & skf18("8","3","4","5","8","1","1") = "7"
    & skf18("8","3","4","5","8","2","1") = "7"
    & skf18("8","3","4","5","8","3","1") = "7"
    & skf18("8","3","4","5","8","4","1") = "7"
    & skf18("8","3","4","5","8","5","1") = "7"
    & skf18("8","3","4","5","8","6","1") = "7"
    & skf18("8","3","4","5","8","7","1") = "7"
    & skf18("8","3","4","5","8","8","1") = "7"
    & skf18("8","3","4","5","8","9","1") = "8"
    & skf18("8","3","4","5","8","10","1") = "9"
    & skf18("8","3","4","5","9","1","1") = "8"
    & skf18("8","3","4","5","9","2","1") = "8"
    & skf18("8","3","4","5","9","3","1") = "8"
    & skf18("8","3","4","5","9","4","1") = "8"
    & skf18("8","3","4","5","9","5","1") = "8"
    & skf18("8","3","4","5","9","6","1") = "8"
    & skf18("8","3","4","5","9","7","1") = "8"
    & skf18("8","3","4","5","9","8","1") = "8"
    & skf18("8","3","4","5","9","9","1") = "8"
    & skf18("8","3","4","5","9","10","1") = "9"
    & skf18("8","3","4","5","10","1","1") = "9"
    & skf18("8","3","4","5","10","2","1") = "9"
    & skf18("8","3","4","5","10","3","1") = "9"
    & skf18("8","3","4","5","10","4","1") = "9"
    & skf18("8","3","4","5","10","5","1") = "9"
    & skf18("8","3","4","5","10","6","1") = "9"
    & skf18("8","3","4","5","10","7","1") = "9"
    & skf18("8","3","4","5","10","8","1") = "9"
    & skf18("8","3","4","5","10","9","1") = "9"
    & skf18("8","3","4","5","10","10","1") = "9"
    & skf18("8","3","4","6","1","1","1") = "7"
    & skf18("8","3","4","6","1","2","1") = "7"
    & skf18("8","3","4","6","1","3","1") = "7"
    & skf18("8","3","4","6","1","4","1") = "7"
    & skf18("8","3","4","6","1","5","1") = "7"
    & skf18("8","3","4","6","1","6","1") = "7"
    & skf18("8","3","4","6","1","7","1") = "7"
    & skf18("8","3","4","6","1","8","1") = "7"
    & skf18("8","3","4","6","1","9","1") = "8"
    & skf18("8","3","4","6","1","10","1") = "9"
    & skf18("8","3","4","6","2","1","1") = "7"
    & skf18("8","3","4","6","2","2","1") = "7"
    & skf18("8","3","4","6","2","3","1") = "7"
    & skf18("8","3","4","6","2","4","1") = "7"
    & skf18("8","3","4","6","2","5","1") = "7"
    & skf18("8","3","4","6","2","6","1") = "7"
    & skf18("8","3","4","6","2","7","1") = "7"
    & skf18("8","3","4","6","2","8","1") = "7"
    & skf18("8","3","4","6","2","9","1") = "8"
    & skf18("8","3","4","6","2","10","1") = "9"
    & skf18("8","3","4","6","3","1","1") = "7"
    & skf18("8","3","4","6","3","2","1") = "7"
    & skf18("8","3","4","6","3","3","1") = "7"
    & skf18("8","3","4","6","3","4","1") = "7"
    & skf18("8","3","4","6","3","5","1") = "7"
    & skf18("8","3","4","6","3","6","1") = "7"
    & skf18("8","3","4","6","3","7","1") = "7"
    & skf18("8","3","4","6","3","8","1") = "7"
    & skf18("8","3","4","6","3","9","1") = "8"
    & skf18("8","3","4","6","3","10","1") = "9"
    & skf18("8","3","4","6","4","1","1") = "7"
    & skf18("8","3","4","6","4","2","1") = "7"
    & skf18("8","3","4","6","4","3","1") = "7"
    & skf18("8","3","4","6","4","4","1") = "7"
    & skf18("8","3","4","6","4","5","1") = "7"
    & skf18("8","3","4","6","4","6","1") = "7"
    & skf18("8","3","4","6","4","7","1") = "7"
    & skf18("8","3","4","6","4","8","1") = "7"
    & skf18("8","3","4","6","4","9","1") = "8"
    & skf18("8","3","4","6","4","10","1") = "9"
    & skf18("8","3","4","6","5","1","1") = "7"
    & skf18("8","3","4","6","5","2","1") = "7"
    & skf18("8","3","4","6","5","3","1") = "7"
    & skf18("8","3","4","6","5","4","1") = "7"
    & skf18("8","3","4","6","5","5","1") = "7"
    & skf18("8","3","4","6","5","6","1") = "7"
    & skf18("8","3","4","6","5","7","1") = "7"
    & skf18("8","3","4","6","5","8","1") = "7"
    & skf18("8","3","4","6","5","9","1") = "8"
    & skf18("8","3","4","6","5","10","1") = "9"
    & skf18("8","3","4","6","6","1","1") = "7"
    & skf18("8","3","4","6","6","2","1") = "7"
    & skf18("8","3","4","6","6","3","1") = "7"
    & skf18("8","3","4","6","6","4","1") = "7"
    & skf18("8","3","4","6","6","5","1") = "7"
    & skf18("8","3","4","6","6","6","1") = "7"
    & skf18("8","3","4","6","6","7","1") = "7"
    & skf18("8","3","4","6","6","8","1") = "7"
    & skf18("8","3","4","6","6","9","1") = "8"
    & skf18("8","3","4","6","6","10","1") = "9"
    & skf18("8","3","4","6","7","1","1") = "7"
    & skf18("8","3","4","6","7","2","1") = "7"
    & skf18("8","3","4","6","7","3","1") = "7"
    & skf18("8","3","4","6","7","4","1") = "7"
    & skf18("8","3","4","6","7","5","1") = "7"
    & skf18("8","3","4","6","7","6","1") = "7"
    & skf18("8","3","4","6","7","7","1") = "7"
    & skf18("8","3","4","6","7","8","1") = "7"
    & skf18("8","3","4","6","7","9","1") = "8"
    & skf18("8","3","4","6","7","10","1") = "9"
    & skf18("8","3","4","6","8","1","1") = "7"
    & skf18("8","3","4","6","8","2","1") = "7"
    & skf18("8","3","4","6","8","3","1") = "7"
    & skf18("8","3","4","6","8","4","1") = "7"
    & skf18("8","3","4","6","8","5","1") = "7"
    & skf18("8","3","4","6","8","6","1") = "7"
    & skf18("8","3","4","6","8","7","1") = "7"
    & skf18("8","3","4","6","8","8","1") = "7"
    & skf18("8","3","4","6","8","9","1") = "8"
    & skf18("8","3","4","6","8","10","1") = "9"
    & skf18("8","3","4","6","9","1","1") = "8"
    & skf18("8","3","4","6","9","2","1") = "8"
    & skf18("8","3","4","6","9","3","1") = "8"
    & skf18("8","3","4","6","9","4","1") = "8"
    & skf18("8","3","4","6","9","5","1") = "8"
    & skf18("8","3","4","6","9","6","1") = "8"
    & skf18("8","3","4","6","9","7","1") = "8"
    & skf18("8","3","4","6","9","8","1") = "8"
    & skf18("8","3","4","6","9","9","1") = "8"
    & skf18("8","3","4","6","9","10","1") = "9"
    & skf18("8","3","4","6","10","1","1") = "9"
    & skf18("8","3","4","6","10","2","1") = "9"
    & skf18("8","3","4","6","10","3","1") = "9"
    & skf18("8","3","4","6","10","4","1") = "9"
    & skf18("8","3","4","6","10","5","1") = "9"
    & skf18("8","3","4","6","10","6","1") = "9"
    & skf18("8","3","4","6","10","7","1") = "9"
    & skf18("8","3","4","6","10","8","1") = "9"
    & skf18("8","3","4","6","10","9","1") = "9"
    & skf18("8","3","4","6","10","10","1") = "9"
    & skf18("8","3","4","7","1","1","1") = "7"
    & skf18("8","3","4","7","1","2","1") = "7"
    & skf18("8","3","4","7","1","3","1") = "7"
    & skf18("8","3","4","7","1","4","1") = "7"
    & skf18("8","3","4","7","1","5","1") = "7"
    & skf18("8","3","4","7","1","6","1") = "7"
    & skf18("8","3","4","7","1","7","1") = "7"
    & skf18("8","3","4","7","1","8","1") = "7"
    & skf18("8","3","4","7","1","9","1") = "8"
    & skf18("8","3","4","7","1","10","1") = "9"
    & skf18("8","3","4","7","2","1","1") = "7"
    & skf18("8","3","4","7","2","2","1") = "7"
    & skf18("8","3","4","7","2","3","1") = "7"
    & skf18("8","3","4","7","2","4","1") = "7"
    & skf18("8","3","4","7","2","5","1") = "7"
    & skf18("8","3","4","7","2","6","1") = "7"
    & skf18("8","3","4","7","2","7","1") = "7"
    & skf18("8","3","4","7","2","8","1") = "7"
    & skf18("8","3","4","7","2","9","1") = "8"
    & skf18("8","3","4","7","2","10","1") = "9"
    & skf18("8","3","4","7","3","1","1") = "7"
    & skf18("8","3","4","7","3","2","1") = "7"
    & skf18("8","3","4","7","3","3","1") = "7"
    & skf18("8","3","4","7","3","4","1") = "7"
    & skf18("8","3","4","7","3","5","1") = "7"
    & skf18("8","3","4","7","3","6","1") = "7"
    & skf18("8","3","4","7","3","7","1") = "7"
    & skf18("8","3","4","7","3","8","1") = "7"
    & skf18("8","3","4","7","3","9","1") = "8"
    & skf18("8","3","4","7","3","10","1") = "9"
    & skf18("8","3","4","7","4","1","1") = "7"
    & skf18("8","3","4","7","4","2","1") = "7"
    & skf18("8","3","4","7","4","3","1") = "7"
    & skf18("8","3","4","7","4","4","1") = "7"
    & skf18("8","3","4","7","4","5","1") = "7"
    & skf18("8","3","4","7","4","6","1") = "7"
    & skf18("8","3","4","7","4","7","1") = "7"
    & skf18("8","3","4","7","4","8","1") = "7"
    & skf18("8","3","4","7","4","9","1") = "8"
    & skf18("8","3","4","7","4","10","1") = "9"
    & skf18("8","3","4","7","5","1","1") = "7"
    & skf18("8","3","4","7","5","2","1") = "7"
    & skf18("8","3","4","7","5","3","1") = "7"
    & skf18("8","3","4","7","5","4","1") = "7"
    & skf18("8","3","4","7","5","5","1") = "7"
    & skf18("8","3","4","7","5","6","1") = "7"
    & skf18("8","3","4","7","5","7","1") = "7"
    & skf18("8","3","4","7","5","8","1") = "7"
    & skf18("8","3","4","7","5","9","1") = "8"
    & skf18("8","3","4","7","5","10","1") = "9"
    & skf18("8","3","4","7","6","1","1") = "7"
    & skf18("8","3","4","7","6","2","1") = "7"
    & skf18("8","3","4","7","6","3","1") = "7"
    & skf18("8","3","4","7","6","4","1") = "7"
    & skf18("8","3","4","7","6","5","1") = "7"
    & skf18("8","3","4","7","6","6","1") = "7"
    & skf18("8","3","4","7","6","7","1") = "7"
    & skf18("8","3","4","7","6","8","1") = "7"
    & skf18("8","3","4","7","6","9","1") = "8"
    & skf18("8","3","4","7","6","10","1") = "9"
    & skf18("8","3","4","7","7","1","1") = "7"
    & skf18("8","3","4","7","7","2","1") = "7"
    & skf18("8","3","4","7","7","3","1") = "7"
    & skf18("8","3","4","7","7","4","1") = "7"
    & skf18("8","3","4","7","7","5","1") = "7"
    & skf18("8","3","4","7","7","6","1") = "7"
    & skf18("8","3","4","7","7","7","1") = "7"
    & skf18("8","3","4","7","7","8","1") = "7"
    & skf18("8","3","4","7","7","9","1") = "8"
    & skf18("8","3","4","7","7","10","1") = "9"
    & skf18("8","3","4","7","8","1","1") = "7"
    & skf18("8","3","4","7","8","2","1") = "7"
    & skf18("8","3","4","7","8","3","1") = "7"
    & skf18("8","3","4","7","8","4","1") = "7"
    & skf18("8","3","4","7","8","5","1") = "7"
    & skf18("8","3","4","7","8","6","1") = "7"
    & skf18("8","3","4","7","8","7","1") = "7"
    & skf18("8","3","4","7","8","8","1") = "7"
    & skf18("8","3","4","7","8","9","1") = "8"
    & skf18("8","3","4","7","8","10","1") = "9"
    & skf18("8","3","4","7","9","1","1") = "8"
    & skf18("8","3","4","7","9","2","1") = "8"
    & skf18("8","3","4","7","9","3","1") = "8"
    & skf18("8","3","4","7","9","4","1") = "8"
    & skf18("8","3","4","7","9","5","1") = "8"
    & skf18("8","3","4","7","9","6","1") = "8"
    & skf18("8","3","4","7","9","7","1") = "8"
    & skf18("8","3","4","7","9","8","1") = "8"
    & skf18("8","3","4","7","9","9","1") = "8"
    & skf18("8","3","4","7","9","10","1") = "9"
    & skf18("8","3","4","7","10","1","1") = "9"
    & skf18("8","3","4","7","10","2","1") = "9"
    & skf18("8","3","4","7","10","3","1") = "9"
    & skf18("8","3","4","7","10","4","1") = "9"
    & skf18("8","3","4","7","10","5","1") = "9"
    & skf18("8","3","4","7","10","6","1") = "9"
    & skf18("8","3","4","7","10","7","1") = "9"
    & skf18("8","3","4","7","10","8","1") = "9"
    & skf18("8","3","4","7","10","9","1") = "9"
    & skf18("8","3","4","7","10","10","1") = "9"
    & skf18("8","3","4","8","1","1","1") = "7"
    & skf18("8","3","4","8","1","2","1") = "7"
    & skf18("8","3","4","8","1","3","1") = "7"
    & skf18("8","3","4","8","1","4","1") = "7"
    & skf18("8","3","4","8","1","5","1") = "7"
    & skf18("8","3","4","8","1","6","1") = "7"
    & skf18("8","3","4","8","1","7","1") = "7"
    & skf18("8","3","4","8","1","8","1") = "7"
    & skf18("8","3","4","8","1","9","1") = "8"
    & skf18("8","3","4","8","1","10","1") = "9"
    & skf18("8","3","4","8","2","1","1") = "7"
    & skf18("8","3","4","8","2","2","1") = "7"
    & skf18("8","3","4","8","2","3","1") = "7"
    & skf18("8","3","4","8","2","4","1") = "7"
    & skf18("8","3","4","8","2","5","1") = "7"
    & skf18("8","3","4","8","2","6","1") = "7"
    & skf18("8","3","4","8","2","7","1") = "7"
    & skf18("8","3","4","8","2","8","1") = "7"
    & skf18("8","3","4","8","2","9","1") = "8"
    & skf18("8","3","4","8","2","10","1") = "9"
    & skf18("8","3","4","8","3","1","1") = "7"
    & skf18("8","3","4","8","3","2","1") = "7"
    & skf18("8","3","4","8","3","3","1") = "7"
    & skf18("8","3","4","8","3","4","1") = "7"
    & skf18("8","3","4","8","3","5","1") = "7"
    & skf18("8","3","4","8","3","6","1") = "7"
    & skf18("8","3","4","8","3","7","1") = "7"
    & skf18("8","3","4","8","3","8","1") = "7"
    & skf18("8","3","4","8","3","9","1") = "8"
    & skf18("8","3","4","8","3","10","1") = "9"
    & skf18("8","3","4","8","4","1","1") = "7"
    & skf18("8","3","4","8","4","2","1") = "7"
    & skf18("8","3","4","8","4","3","1") = "7"
    & skf18("8","3","4","8","4","4","1") = "7"
    & skf18("8","3","4","8","4","5","1") = "7"
    & skf18("8","3","4","8","4","6","1") = "7"
    & skf18("8","3","4","8","4","7","1") = "7"
    & skf18("8","3","4","8","4","8","1") = "7"
    & skf18("8","3","4","8","4","9","1") = "8"
    & skf18("8","3","4","8","4","10","1") = "9"
    & skf18("8","3","4","8","5","1","1") = "7"
    & skf18("8","3","4","8","5","2","1") = "7"
    & skf18("8","3","4","8","5","3","1") = "7"
    & skf18("8","3","4","8","5","4","1") = "7"
    & skf18("8","3","4","8","5","5","1") = "7"
    & skf18("8","3","4","8","5","6","1") = "7"
    & skf18("8","3","4","8","5","7","1") = "7"
    & skf18("8","3","4","8","5","8","1") = "7"
    & skf18("8","3","4","8","5","9","1") = "8"
    & skf18("8","3","4","8","5","10","1") = "9"
    & skf18("8","3","4","8","6","1","1") = "7"
    & skf18("8","3","4","8","6","2","1") = "7"
    & skf18("8","3","4","8","6","3","1") = "7"
    & skf18("8","3","4","8","6","4","1") = "7"
    & skf18("8","3","4","8","6","5","1") = "7"
    & skf18("8","3","4","8","6","6","1") = "7"
    & skf18("8","3","4","8","6","7","1") = "7"
    & skf18("8","3","4","8","6","8","1") = "7"
    & skf18("8","3","4","8","6","9","1") = "8"
    & skf18("8","3","4","8","6","10","1") = "9"
    & skf18("8","3","4","8","7","1","1") = "7"
    & skf18("8","3","4","8","7","2","1") = "7"
    & skf18("8","3","4","8","7","3","1") = "7"
    & skf18("8","3","4","8","7","4","1") = "7"
    & skf18("8","3","4","8","7","5","1") = "7"
    & skf18("8","3","4","8","7","6","1") = "7"
    & skf18("8","3","4","8","7","7","1") = "7"
    & skf18("8","3","4","8","7","8","1") = "7"
    & skf18("8","3","4","8","7","9","1") = "8"
    & skf18("8","3","4","8","7","10","1") = "9"
    & skf18("8","3","4","8","8","1","1") = "7"
    & skf18("8","3","4","8","8","2","1") = "7"
    & skf18("8","3","4","8","8","3","1") = "7"
    & skf18("8","3","4","8","8","4","1") = "7"
    & skf18("8","3","4","8","8","5","1") = "7"
    & skf18("8","3","4","8","8","6","1") = "7"
    & skf18("8","3","4","8","8","7","1") = "7"
    & skf18("8","3","4","8","8","8","1") = "7"
    & skf18("8","3","4","8","8","9","1") = "8"
    & skf18("8","3","4","8","8","10","1") = "9"
    & skf18("8","3","4","8","9","1","1") = "8"
    & skf18("8","3","4","8","9","2","1") = "8"
    & skf18("8","3","4","8","9","3","1") = "8"
    & skf18("8","3","4","8","9","4","1") = "8"
    & skf18("8","3","4","8","9","5","1") = "8"
    & skf18("8","3","4","8","9","6","1") = "8"
    & skf18("8","3","4","8","9","7","1") = "8"
    & skf18("8","3","4","8","9","8","1") = "8"
    & skf18("8","3","4","8","9","9","1") = "8"
    & skf18("8","3","4","8","9","10","1") = "9"
    & skf18("8","3","4","8","10","1","1") = "9"
    & skf18("8","3","4","8","10","2","1") = "9"
    & skf18("8","3","4","8","10","3","1") = "9"
    & skf18("8","3","4","8","10","4","1") = "9"
    & skf18("8","3","4","8","10","5","1") = "9"
    & skf18("8","3","4","8","10","6","1") = "9"
    & skf18("8","3","4","8","10","7","1") = "9"
    & skf18("8","3","4","8","10","8","1") = "9"
    & skf18("8","3","4","8","10","9","1") = "9"
    & skf18("8","3","4","8","10","10","1") = "9"
    & skf18("8","3","4","9","1","1","1") = "8"
    & skf18("8","3","4","9","1","2","1") = "8"
    & skf18("8","3","4","9","1","3","1") = "8"
    & skf18("8","3","4","9","1","4","1") = "8"
    & skf18("8","3","4","9","1","5","1") = "8"
    & skf18("8","3","4","9","1","6","1") = "8"
    & skf18("8","3","4","9","1","7","1") = "8"
    & skf18("8","3","4","9","1","8","1") = "8"
    & skf18("8","3","4","9","1","9","1") = "8"
    & skf18("8","3","4","9","1","10","1") = "9"
    & skf18("8","3","4","9","2","1","1") = "8"
    & skf18("8","3","4","9","2","2","1") = "8"
    & skf18("8","3","4","9","2","3","1") = "8"
    & skf18("8","3","4","9","2","4","1") = "8"
    & skf18("8","3","4","9","2","5","1") = "8"
    & skf18("8","3","4","9","2","6","1") = "8"
    & skf18("8","3","4","9","2","7","1") = "8"
    & skf18("8","3","4","9","2","8","1") = "8"
    & skf18("8","3","4","9","2","9","1") = "8"
    & skf18("8","3","4","9","2","10","1") = "9"
    & skf18("8","3","4","9","3","1","1") = "8"
    & skf18("8","3","4","9","3","2","1") = "8"
    & skf18("8","3","4","9","3","3","1") = "8"
    & skf18("8","3","4","9","3","4","1") = "8"
    & skf18("8","3","4","9","3","5","1") = "8"
    & skf18("8","3","4","9","3","6","1") = "8"
    & skf18("8","3","4","9","3","7","1") = "8"
    & skf18("8","3","4","9","3","8","1") = "8"
    & skf18("8","3","4","9","3","9","1") = "8"
    & skf18("8","3","4","9","3","10","1") = "9"
    & skf18("8","3","4","9","4","1","1") = "8"
    & skf18("8","3","4","9","4","2","1") = "8"
    & skf18("8","3","4","9","4","3","1") = "8"
    & skf18("8","3","4","9","4","4","1") = "8"
    & skf18("8","3","4","9","4","5","1") = "8"
    & skf18("8","3","4","9","4","6","1") = "8"
    & skf18("8","3","4","9","4","7","1") = "8"
    & skf18("8","3","4","9","4","8","1") = "8"
    & skf18("8","3","4","9","4","9","1") = "8"
    & skf18("8","3","4","9","4","10","1") = "9"
    & skf18("8","3","4","9","5","1","1") = "8"
    & skf18("8","3","4","9","5","2","1") = "8"
    & skf18("8","3","4","9","5","3","1") = "8"
    & skf18("8","3","4","9","5","4","1") = "8"
    & skf18("8","3","4","9","5","5","1") = "8"
    & skf18("8","3","4","9","5","6","1") = "8"
    & skf18("8","3","4","9","5","7","1") = "8"
    & skf18("8","3","4","9","5","8","1") = "8"
    & skf18("8","3","4","9","5","9","1") = "8"
    & skf18("8","3","4","9","5","10","1") = "9"
    & skf18("8","3","4","9","6","1","1") = "8"
    & skf18("8","3","4","9","6","2","1") = "8"
    & skf18("8","3","4","9","6","3","1") = "8"
    & skf18("8","3","4","9","6","4","1") = "8"
    & skf18("8","3","4","9","6","5","1") = "8"
    & skf18("8","3","4","9","6","6","1") = "8"
    & skf18("8","3","4","9","6","7","1") = "8"
    & skf18("8","3","4","9","6","8","1") = "8"
    & skf18("8","3","4","9","6","9","1") = "8"
    & skf18("8","3","4","9","6","10","1") = "9"
    & skf18("8","3","4","9","7","1","1") = "8"
    & skf18("8","3","4","9","7","2","1") = "8"
    & skf18("8","3","4","9","7","3","1") = "8"
    & skf18("8","3","4","9","7","4","1") = "8"
    & skf18("8","3","4","9","7","5","1") = "8"
    & skf18("8","3","4","9","7","6","1") = "8"
    & skf18("8","3","4","9","7","7","1") = "8"
    & skf18("8","3","4","9","7","8","1") = "8"
    & skf18("8","3","4","9","7","9","1") = "8"
    & skf18("8","3","4","9","7","10","1") = "9"
    & skf18("8","3","4","9","8","1","1") = "8"
    & skf18("8","3","4","9","8","2","1") = "8"
    & skf18("8","3","4","9","8","3","1") = "8"
    & skf18("8","3","4","9","8","4","1") = "8"
    & skf18("8","3","4","9","8","5","1") = "8"
    & skf18("8","3","4","9","8","6","1") = "8"
    & skf18("8","3","4","9","8","7","1") = "8"
    & skf18("8","3","4","9","8","8","1") = "8"
    & skf18("8","3","4","9","8","9","1") = "8"
    & skf18("8","3","4","9","8","10","1") = "9"
    & skf18("8","3","4","9","9","1","1") = "8"
    & skf18("8","3","4","9","9","2","1") = "8"
    & skf18("8","3","4","9","9","3","1") = "8"
    & skf18("8","3","4","9","9","4","1") = "8"
    & skf18("8","3","4","9","9","5","1") = "8"
    & skf18("8","3","4","9","9","6","1") = "8"
    & skf18("8","3","4","9","9","7","1") = "8"
    & skf18("8","3","4","9","9","8","1") = "8"
    & skf18("8","3","4","9","9","9","1") = "8"
    & skf18("8","3","4","9","9","10","1") = "9"
    & skf18("8","3","4","9","10","1","1") = "9"
    & skf18("8","3","4","9","10","2","1") = "9"
    & skf18("8","3","4","9","10","3","1") = "9"
    & skf18("8","3","4","9","10","4","1") = "9"
    & skf18("8","3","4","9","10","5","1") = "9"
    & skf18("8","3","4","9","10","6","1") = "9"
    & skf18("8","3","4","9","10","7","1") = "9"
    & skf18("8","3","4","9","10","8","1") = "9"
    & skf18("8","3","4","9","10","9","1") = "9"
    & skf18("8","3","4","9","10","10","1") = "9"
    & skf18("8","3","4","10","1","1","1") = "9"
    & skf18("8","3","4","10","1","2","1") = "9"
    & skf18("8","3","4","10","1","3","1") = "9"
    & skf18("8","3","4","10","1","4","1") = "9"
    & skf18("8","3","4","10","1","5","1") = "9"
    & skf18("8","3","4","10","1","6","1") = "9"
    & skf18("8","3","4","10","1","7","1") = "9"
    & skf18("8","3","4","10","1","8","1") = "9"
    & skf18("8","3","4","10","1","9","1") = "9"
    & skf18("8","3","4","10","1","10","1") = "9"
    & skf18("8","3","4","10","2","1","1") = "9"
    & skf18("8","3","4","10","2","2","1") = "9"
    & skf18("8","3","4","10","2","3","1") = "9"
    & skf18("8","3","4","10","2","4","1") = "9"
    & skf18("8","3","4","10","2","5","1") = "9"
    & skf18("8","3","4","10","2","6","1") = "9"
    & skf18("8","3","4","10","2","7","1") = "9"
    & skf18("8","3","4","10","2","8","1") = "9"
    & skf18("8","3","4","10","2","9","1") = "9"
    & skf18("8","3","4","10","2","10","1") = "9"
    & skf18("8","3","4","10","3","1","1") = "9"
    & skf18("8","3","4","10","3","2","1") = "9"
    & skf18("8","3","4","10","3","3","1") = "9"
    & skf18("8","3","4","10","3","4","1") = "9"
    & skf18("8","3","4","10","3","5","1") = "9"
    & skf18("8","3","4","10","3","6","1") = "9"
    & skf18("8","3","4","10","3","7","1") = "9"
    & skf18("8","3","4","10","3","8","1") = "9"
    & skf18("8","3","4","10","3","9","1") = "9"
    & skf18("8","3","4","10","3","10","1") = "9"
    & skf18("8","3","4","10","4","1","1") = "9"
    & skf18("8","3","4","10","4","2","1") = "9"
    & skf18("8","3","4","10","4","3","1") = "9"
    & skf18("8","3","4","10","4","4","1") = "9"
    & skf18("8","3","4","10","4","5","1") = "9"
    & skf18("8","3","4","10","4","6","1") = "9"
    & skf18("8","3","4","10","4","7","1") = "9"
    & skf18("8","3","4","10","4","8","1") = "9"
    & skf18("8","3","4","10","4","9","1") = "9"
    & skf18("8","3","4","10","4","10","1") = "9"
    & skf18("8","3","4","10","5","1","1") = "9"
    & skf18("8","3","4","10","5","2","1") = "9"
    & skf18("8","3","4","10","5","3","1") = "9"
    & skf18("8","3","4","10","5","4","1") = "9"
    & skf18("8","3","4","10","5","5","1") = "9"
    & skf18("8","3","4","10","5","6","1") = "9"
    & skf18("8","3","4","10","5","7","1") = "9"
    & skf18("8","3","4","10","5","8","1") = "9"
    & skf18("8","3","4","10","5","9","1") = "9"
    & skf18("8","3","4","10","5","10","1") = "9"
    & skf18("8","3","4","10","6","1","1") = "9"
    & skf18("8","3","4","10","6","2","1") = "9"
    & skf18("8","3","4","10","6","3","1") = "9"
    & skf18("8","3","4","10","6","4","1") = "9"
    & skf18("8","3","4","10","6","5","1") = "9"
    & skf18("8","3","4","10","6","6","1") = "9"
    & skf18("8","3","4","10","6","7","1") = "9"
    & skf18("8","3","4","10","6","8","1") = "9"
    & skf18("8","3","4","10","6","9","1") = "9"
    & skf18("8","3","4","10","6","10","1") = "9"
    & skf18("8","3","4","10","7","1","1") = "9"
    & skf18("8","3","4","10","7","2","1") = "9"
    & skf18("8","3","4","10","7","3","1") = "9"
    & skf18("8","3","4","10","7","4","1") = "9"
    & skf18("8","3","4","10","7","5","1") = "9"
    & skf18("8","3","4","10","7","6","1") = "9"
    & skf18("8","3","4","10","7","7","1") = "9"
    & skf18("8","3","4","10","7","8","1") = "9"
    & skf18("8","3","4","10","7","9","1") = "9"
    & skf18("8","3","4","10","7","10","1") = "9"
    & skf18("8","3","4","10","8","1","1") = "9"
    & skf18("8","3","4","10","8","2","1") = "9"
    & skf18("8","3","4","10","8","3","1") = "9"
    & skf18("8","3","4","10","8","4","1") = "9"
    & skf18("8","3","4","10","8","5","1") = "9"
    & skf18("8","3","4","10","8","6","1") = "9"
    & skf18("8","3","4","10","8","7","1") = "9"
    & skf18("8","3","4","10","8","8","1") = "9"
    & skf18("8","3","4","10","8","9","1") = "9"
    & skf18("8","3","4","10","8","10","1") = "9"
    & skf18("8","3","4","10","9","1","1") = "9"
    & skf18("8","3","4","10","9","2","1") = "9"
    & skf18("8","3","4","10","9","3","1") = "9"
    & skf18("8","3","4","10","9","4","1") = "9"
    & skf18("8","3","4","10","9","5","1") = "9"
    & skf18("8","3","4","10","9","6","1") = "9"
    & skf18("8","3","4","10","9","7","1") = "9"
    & skf18("8","3","4","10","9","8","1") = "9"
    & skf18("8","3","4","10","9","9","1") = "9"
    & skf18("8","3","4","10","9","10","1") = "9"
    & skf18("8","3","4","10","10","1","1") = "9"
    & skf18("8","3","4","10","10","2","1") = "9"
    & skf18("8","3","4","10","10","3","1") = "9"
    & skf18("8","3","4","10","10","4","1") = "9"
    & skf18("8","3","4","10","10","5","1") = "9"
    & skf18("8","3","4","10","10","6","1") = "9"
    & skf18("8","3","4","10","10","7","1") = "9"
    & skf18("8","3","4","10","10","8","1") = "9"
    & skf18("8","3","4","10","10","9","1") = "9"
    & skf18("8","3","4","10","10","10","1") = "9"
    & skf18("8","3","5","1","1","1","1") = "7"
    & skf18("8","3","5","1","1","2","1") = "7"
    & skf18("8","3","5","1","1","3","1") = "7"
    & skf18("8","3","5","1","1","4","1") = "7"
    & skf18("8","3","5","1","1","5","1") = "7"
    & skf18("8","3","5","1","1","6","1") = "7"
    & skf18("8","3","5","1","1","7","1") = "7"
    & skf18("8","3","5","1","1","8","1") = "7"
    & skf18("8","3","5","1","1","9","1") = "8"
    & skf18("8","3","5","1","1","10","1") = "9"
    & skf18("8","3","5","1","2","1","1") = "7"
    & skf18("8","3","5","1","2","2","1") = "7"
    & skf18("8","3","5","1","2","3","1") = "7"
    & skf18("8","3","5","1","2","4","1") = "7"
    & skf18("8","3","5","1","2","5","1") = "7"
    & skf18("8","3","5","1","2","6","1") = "7"
    & skf18("8","3","5","1","2","7","1") = "7"
    & skf18("8","3","5","1","2","8","1") = "7"
    & skf18("8","3","5","1","2","9","1") = "8"
    & skf18("8","3","5","1","2","10","1") = "9"
    & skf18("8","3","5","1","3","1","1") = "7"
    & skf18("8","3","5","1","3","2","1") = "7"
    & skf18("8","3","5","1","3","3","1") = "7"
    & skf18("8","3","5","1","3","4","1") = "7"
    & skf18("8","3","5","1","3","5","1") = "7"
    & skf18("8","3","5","1","3","6","1") = "7"
    & skf18("8","3","5","1","3","7","1") = "7"
    & skf18("8","3","5","1","3","8","1") = "7"
    & skf18("8","3","5","1","3","9","1") = "8"
    & skf18("8","3","5","1","3","10","1") = "9"
    & skf18("8","3","5","1","4","1","1") = "7"
    & skf18("8","3","5","1","4","2","1") = "7"
    & skf18("8","3","5","1","4","3","1") = "7"
    & skf18("8","3","5","1","4","4","1") = "7"
    & skf18("8","3","5","1","4","5","1") = "7"
    & skf18("8","3","5","1","4","6","1") = "7"
    & skf18("8","3","5","1","4","7","1") = "7"
    & skf18("8","3","5","1","4","8","1") = "7"
    & skf18("8","3","5","1","4","9","1") = "8"
    & skf18("8","3","5","1","4","10","1") = "9"
    & skf18("8","3","5","1","5","1","1") = "7"
    & skf18("8","3","5","1","5","2","1") = "7"
    & skf18("8","3","5","1","5","3","1") = "7"
    & skf18("8","3","5","1","5","4","1") = "7"
    & skf18("8","3","5","1","5","5","1") = "7"
    & skf18("8","3","5","1","5","6","1") = "7"
    & skf18("8","3","5","1","5","7","1") = "7"
    & skf18("8","3","5","1","5","8","1") = "7"
    & skf18("8","3","5","1","5","9","1") = "8"
    & skf18("8","3","5","1","5","10","1") = "9"
    & skf18("8","3","5","1","6","1","1") = "7"
    & skf18("8","3","5","1","6","2","1") = "7"
    & skf18("8","3","5","1","6","3","1") = "7"
    & skf18("8","3","5","1","6","4","1") = "7"
    & skf18("8","3","5","1","6","5","1") = "7"
    & skf18("8","3","5","1","6","6","1") = "7"
    & skf18("8","3","5","1","6","7","1") = "7"
    & skf18("8","3","5","1","6","8","1") = "7"
    & skf18("8","3","5","1","6","9","1") = "8"
    & skf18("8","3","5","1","6","10","1") = "9"
    & skf18("8","3","5","1","7","1","1") = "7"
    & skf18("8","3","5","1","7","2","1") = "7"
    & skf18("8","3","5","1","7","3","1") = "7"
    & skf18("8","3","5","1","7","4","1") = "7"
    & skf18("8","3","5","1","7","5","1") = "7"
    & skf18("8","3","5","1","7","6","1") = "7"
    & skf18("8","3","5","1","7","7","1") = "7"
    & skf18("8","3","5","1","7","8","1") = "7"
    & skf18("8","3","5","1","7","9","1") = "8"
    & skf18("8","3","5","1","7","10","1") = "9"
    & skf18("8","3","5","1","8","1","1") = "7"
    & skf18("8","3","5","1","8","2","1") = "7"
    & skf18("8","3","5","1","8","3","1") = "7"
    & skf18("8","3","5","1","8","4","1") = "7"
    & skf18("8","3","5","1","8","5","1") = "7"
    & skf18("8","3","5","1","8","6","1") = "7"
    & skf18("8","3","5","1","8","7","1") = "7"
    & skf18("8","3","5","1","8","8","1") = "7"
    & skf18("8","3","5","1","8","9","1") = "8"
    & skf18("8","3","5","1","8","10","1") = "9"
    & skf18("8","3","5","1","9","1","1") = "8"
    & skf18("8","3","5","1","9","2","1") = "8"
    & skf18("8","3","5","1","9","3","1") = "8"
    & skf18("8","3","5","1","9","4","1") = "8"
    & skf18("8","3","5","1","9","5","1") = "8"
    & skf18("8","3","5","1","9","6","1") = "8"
    & skf18("8","3","5","1","9","7","1") = "8"
    & skf18("8","3","5","1","9","8","1") = "8"
    & skf18("8","3","5","1","9","9","1") = "8"
    & skf18("8","3","5","1","9","10","1") = "9"
    & skf18("8","3","5","1","10","1","1") = "9"
    & skf18("8","3","5","1","10","2","1") = "9"
    & skf18("8","3","5","1","10","3","1") = "9"
    & skf18("8","3","5","1","10","4","1") = "9"
    & skf18("8","3","5","1","10","5","1") = "9"
    & skf18("8","3","5","1","10","6","1") = "9"
    & skf18("8","3","5","1","10","7","1") = "9"
    & skf18("8","3","5","1","10","8","1") = "9"
    & skf18("8","3","5","1","10","9","1") = "9"
    & skf18("8","3","5","1","10","10","1") = "9"
    & skf18("8","3","5","2","1","1","1") = "7"
    & skf18("8","3","5","2","1","2","1") = "7"
    & skf18("8","3","5","2","1","3","1") = "7"
    & skf18("8","3","5","2","1","4","1") = "7"
    & skf18("8","3","5","2","1","5","1") = "7"
    & skf18("8","3","5","2","1","6","1") = "7"
    & skf18("8","3","5","2","1","7","1") = "7"
    & skf18("8","3","5","2","1","8","1") = "7"
    & skf18("8","3","5","2","1","9","1") = "8"
    & skf18("8","3","5","2","1","10","1") = "9"
    & skf18("8","3","5","2","2","1","1") = "7"
    & skf18("8","3","5","2","2","2","1") = "7"
    & skf18("8","3","5","2","2","3","1") = "7"
    & skf18("8","3","5","2","2","4","1") = "7"
    & skf18("8","3","5","2","2","5","1") = "7"
    & skf18("8","3","5","2","2","6","1") = "7"
    & skf18("8","3","5","2","2","7","1") = "7"
    & skf18("8","3","5","2","2","8","1") = "7"
    & skf18("8","3","5","2","2","9","1") = "8"
    & skf18("8","3","5","2","2","10","1") = "9"
    & skf18("8","3","5","2","3","1","1") = "7"
    & skf18("8","3","5","2","3","2","1") = "7"
    & skf18("8","3","5","2","3","3","1") = "7"
    & skf18("8","3","5","2","3","4","1") = "7"
    & skf18("8","3","5","2","3","5","1") = "7"
    & skf18("8","3","5","2","3","6","1") = "7"
    & skf18("8","3","5","2","3","7","1") = "7"
    & skf18("8","3","5","2","3","8","1") = "7"
    & skf18("8","3","5","2","3","9","1") = "8"
    & skf18("8","3","5","2","3","10","1") = "9"
    & skf18("8","3","5","2","4","1","1") = "7"
    & skf18("8","3","5","2","4","2","1") = "7"
    & skf18("8","3","5","2","4","3","1") = "7"
    & skf18("8","3","5","2","4","4","1") = "7"
    & skf18("8","3","5","2","4","5","1") = "7"
    & skf18("8","3","5","2","4","6","1") = "7"
    & skf18("8","3","5","2","4","7","1") = "7"
    & skf18("8","3","5","2","4","8","1") = "7"
    & skf18("8","3","5","2","4","9","1") = "8"
    & skf18("8","3","5","2","4","10","1") = "9"
    & skf18("8","3","5","2","5","1","1") = "7"
    & skf18("8","3","5","2","5","2","1") = "7"
    & skf18("8","3","5","2","5","3","1") = "7"
    & skf18("8","3","5","2","5","4","1") = "7"
    & skf18("8","3","5","2","5","5","1") = "7"
    & skf18("8","3","5","2","5","6","1") = "7"
    & skf18("8","3","5","2","5","7","1") = "7"
    & skf18("8","3","5","2","5","8","1") = "7"
    & skf18("8","3","5","2","5","9","1") = "8"
    & skf18("8","3","5","2","5","10","1") = "9"
    & skf18("8","3","5","2","6","1","1") = "7"
    & skf18("8","3","5","2","6","2","1") = "7"
    & skf18("8","3","5","2","6","3","1") = "7"
    & skf18("8","3","5","2","6","4","1") = "7"
    & skf18("8","3","5","2","6","5","1") = "7"
    & skf18("8","3","5","2","6","6","1") = "7"
    & skf18("8","3","5","2","6","7","1") = "7"
    & skf18("8","3","5","2","6","8","1") = "7"
    & skf18("8","3","5","2","6","9","1") = "8"
    & skf18("8","3","5","2","6","10","1") = "9"
    & skf18("8","3","5","2","7","1","1") = "7"
    & skf18("8","3","5","2","7","2","1") = "7"
    & skf18("8","3","5","2","7","3","1") = "7"
    & skf18("8","3","5","2","7","4","1") = "7"
    & skf18("8","3","5","2","7","5","1") = "7"
    & skf18("8","3","5","2","7","6","1") = "7"
    & skf18("8","3","5","2","7","7","1") = "7"
    & skf18("8","3","5","2","7","8","1") = "7"
    & skf18("8","3","5","2","7","9","1") = "8"
    & skf18("8","3","5","2","7","10","1") = "9"
    & skf18("8","3","5","2","8","1","1") = "7"
    & skf18("8","3","5","2","8","2","1") = "7"
    & skf18("8","3","5","2","8","3","1") = "7"
    & skf18("8","3","5","2","8","4","1") = "7"
    & skf18("8","3","5","2","8","5","1") = "7"
    & skf18("8","3","5","2","8","6","1") = "7"
    & skf18("8","3","5","2","8","7","1") = "7"
    & skf18("8","3","5","2","8","8","1") = "7"
    & skf18("8","3","5","2","8","9","1") = "8"
    & skf18("8","3","5","2","8","10","1") = "9"
    & skf18("8","3","5","2","9","1","1") = "8"
    & skf18("8","3","5","2","9","2","1") = "8"
    & skf18("8","3","5","2","9","3","1") = "8"
    & skf18("8","3","5","2","9","4","1") = "8"
    & skf18("8","3","5","2","9","5","1") = "8"
    & skf18("8","3","5","2","9","6","1") = "8"
    & skf18("8","3","5","2","9","7","1") = "8"
    & skf18("8","3","5","2","9","8","1") = "8"
    & skf18("8","3","5","2","9","9","1") = "8"
    & skf18("8","3","5","2","9","10","1") = "9"
    & skf18("8","3","5","2","10","1","1") = "9"
    & skf18("8","3","5","2","10","2","1") = "9"
    & skf18("8","3","5","2","10","3","1") = "9"
    & skf18("8","3","5","2","10","4","1") = "9"
    & skf18("8","3","5","2","10","5","1") = "9"
    & skf18("8","3","5","2","10","6","1") = "9"
    & skf18("8","3","5","2","10","7","1") = "9"
    & skf18("8","3","5","2","10","8","1") = "9"
    & skf18("8","3","5","2","10","9","1") = "9"
    & skf18("8","3","5","2","10","10","1") = "9"
    & skf18("8","3","5","3","1","1","1") = "7"
    & skf18("8","3","5","3","1","2","1") = "7"
    & skf18("8","3","5","3","1","3","1") = "7"
    & skf18("8","3","5","3","1","4","1") = "7"
    & skf18("8","3","5","3","1","5","1") = "7"
    & skf18("8","3","5","3","1","6","1") = "7"
    & skf18("8","3","5","3","1","7","1") = "7"
    & skf18("8","3","5","3","1","8","1") = "7"
    & skf18("8","3","5","3","1","9","1") = "8"
    & skf18("8","3","5","3","1","10","1") = "9"
    & skf18("8","3","5","3","2","1","1") = "7"
    & skf18("8","3","5","3","2","2","1") = "7"
    & skf18("8","3","5","3","2","3","1") = "7"
    & skf18("8","3","5","3","2","4","1") = "7"
    & skf18("8","3","5","3","2","5","1") = "7"
    & skf18("8","3","5","3","2","6","1") = "7"
    & skf18("8","3","5","3","2","7","1") = "7"
    & skf18("8","3","5","3","2","8","1") = "7"
    & skf18("8","3","5","3","2","9","1") = "8"
    & skf18("8","3","5","3","2","10","1") = "9"
    & skf18("8","3","5","3","3","1","1") = "7"
    & skf18("8","3","5","3","3","2","1") = "7"
    & skf18("8","3","5","3","3","3","1") = "7"
    & skf18("8","3","5","3","3","4","1") = "7"
    & skf18("8","3","5","3","3","5","1") = "7"
    & skf18("8","3","5","3","3","6","1") = "7"
    & skf18("8","3","5","3","3","7","1") = "7"
    & skf18("8","3","5","3","3","8","1") = "7"
    & skf18("8","3","5","3","3","9","1") = "8"
    & skf18("8","3","5","3","3","10","1") = "9"
    & skf18("8","3","5","3","4","1","1") = "7"
    & skf18("8","3","5","3","4","2","1") = "7"
    & skf18("8","3","5","3","4","3","1") = "7"
    & skf18("8","3","5","3","4","4","1") = "7"
    & skf18("8","3","5","3","4","5","1") = "7"
    & skf18("8","3","5","3","4","6","1") = "7"
    & skf18("8","3","5","3","4","7","1") = "7"
    & skf18("8","3","5","3","4","8","1") = "7"
    & skf18("8","3","5","3","4","9","1") = "8"
    & skf18("8","3","5","3","4","10","1") = "9"
    & skf18("8","3","5","3","5","1","1") = "7"
    & skf18("8","3","5","3","5","2","1") = "7"
    & skf18("8","3","5","3","5","3","1") = "7"
    & skf18("8","3","5","3","5","4","1") = "7"
    & skf18("8","3","5","3","5","5","1") = "7"
    & skf18("8","3","5","3","5","6","1") = "7"
    & skf18("8","3","5","3","5","7","1") = "7"
    & skf18("8","3","5","3","5","8","1") = "7"
    & skf18("8","3","5","3","5","9","1") = "8"
    & skf18("8","3","5","3","5","10","1") = "9"
    & skf18("8","3","5","3","6","1","1") = "7"
    & skf18("8","3","5","3","6","2","1") = "7"
    & skf18("8","3","5","3","6","3","1") = "7"
    & skf18("8","3","5","3","6","4","1") = "7"
    & skf18("8","3","5","3","6","5","1") = "7"
    & skf18("8","3","5","3","6","6","1") = "7"
    & skf18("8","3","5","3","6","7","1") = "7"
    & skf18("8","3","5","3","6","8","1") = "7"
    & skf18("8","3","5","3","6","9","1") = "8"
    & skf18("8","3","5","3","6","10","1") = "9"
    & skf18("8","3","5","3","7","1","1") = "7"
    & skf18("8","3","5","3","7","2","1") = "7"
    & skf18("8","3","5","3","7","3","1") = "7"
    & skf18("8","3","5","3","7","4","1") = "7"
    & skf18("8","3","5","3","7","5","1") = "7"
    & skf18("8","3","5","3","7","6","1") = "7"
    & skf18("8","3","5","3","7","7","1") = "7"
    & skf18("8","3","5","3","7","8","1") = "7"
    & skf18("8","3","5","3","7","9","1") = "8"
    & skf18("8","3","5","3","7","10","1") = "9"
    & skf18("8","3","5","3","8","1","1") = "7"
    & skf18("8","3","5","3","8","2","1") = "7"
    & skf18("8","3","5","3","8","3","1") = "7"
    & skf18("8","3","5","3","8","4","1") = "7"
    & skf18("8","3","5","3","8","5","1") = "7"
    & skf18("8","3","5","3","8","6","1") = "7"
    & skf18("8","3","5","3","8","7","1") = "7"
    & skf18("8","3","5","3","8","8","1") = "7"
    & skf18("8","3","5","3","8","9","1") = "8"
    & skf18("8","3","5","3","8","10","1") = "9"
    & skf18("8","3","5","3","9","1","1") = "8"
    & skf18("8","3","5","3","9","2","1") = "8"
    & skf18("8","3","5","3","9","3","1") = "8"
    & skf18("8","3","5","3","9","4","1") = "8"
    & skf18("8","3","5","3","9","5","1") = "8"
    & skf18("8","3","5","3","9","6","1") = "8"
    & skf18("8","3","5","3","9","7","1") = "8"
    & skf18("8","3","5","3","9","8","1") = "8"
    & skf18("8","3","5","3","9","9","1") = "8"
    & skf18("8","3","5","3","9","10","1") = "9"
    & skf18("8","3","5","3","10","1","1") = "9"
    & skf18("8","3","5","3","10","2","1") = "9"
    & skf18("8","3","5","3","10","3","1") = "9"
    & skf18("8","3","5","3","10","4","1") = "9"
    & skf18("8","3","5","3","10","5","1") = "9"
    & skf18("8","3","5","3","10","6","1") = "9"
    & skf18("8","3","5","3","10","7","1") = "9"
    & skf18("8","3","5","3","10","8","1") = "9"
    & skf18("8","3","5","3","10","9","1") = "9"
    & skf18("8","3","5","3","10","10","1") = "9"
    & skf18("8","3","5","4","1","1","1") = "7"
    & skf18("8","3","5","4","1","2","1") = "7"
    & skf18("8","3","5","4","1","3","1") = "7"
    & skf18("8","3","5","4","1","4","1") = "7"
    & skf18("8","3","5","4","1","5","1") = "7"
    & skf18("8","3","5","4","1","6","1") = "7"
    & skf18("8","3","5","4","1","7","1") = "7"
    & skf18("8","3","5","4","1","8","1") = "7"
    & skf18("8","3","5","4","1","9","1") = "8"
    & skf18("8","3","5","4","1","10","1") = "9"
    & skf18("8","3","5","4","2","1","1") = "7"
    & skf18("8","3","5","4","2","2","1") = "7"
    & skf18("8","3","5","4","2","3","1") = "7"
    & skf18("8","3","5","4","2","4","1") = "7"
    & skf18("8","3","5","4","2","5","1") = "7"
    & skf18("8","3","5","4","2","6","1") = "7"
    & skf18("8","3","5","4","2","7","1") = "7"
    & skf18("8","3","5","4","2","8","1") = "7"
    & skf18("8","3","5","4","2","9","1") = "8"
    & skf18("8","3","5","4","2","10","1") = "9"
    & skf18("8","3","5","4","3","1","1") = "7"
    & skf18("8","3","5","4","3","2","1") = "7"
    & skf18("8","3","5","4","3","3","1") = "7"
    & skf18("8","3","5","4","3","4","1") = "7"
    & skf18("8","3","5","4","3","5","1") = "7"
    & skf18("8","3","5","4","3","6","1") = "7"
    & skf18("8","3","5","4","3","7","1") = "7"
    & skf18("8","3","5","4","3","8","1") = "7"
    & skf18("8","3","5","4","3","9","1") = "8"
    & skf18("8","3","5","4","3","10","1") = "9"
    & skf18("8","3","5","4","4","1","1") = "7"
    & skf18("8","3","5","4","4","2","1") = "7"
    & skf18("8","3","5","4","4","3","1") = "7"
    & skf18("8","3","5","4","4","4","1") = "7"
    & skf18("8","3","5","4","4","5","1") = "7"
    & skf18("8","3","5","4","4","6","1") = "7"
    & skf18("8","3","5","4","4","7","1") = "7"
    & skf18("8","3","5","4","4","8","1") = "7"
    & skf18("8","3","5","4","4","9","1") = "8"
    & skf18("8","3","5","4","4","10","1") = "9"
    & skf18("8","3","5","4","5","1","1") = "7"
    & skf18("8","3","5","4","5","2","1") = "7"
    & skf18("8","3","5","4","5","3","1") = "7"
    & skf18("8","3","5","4","5","4","1") = "7"
    & skf18("8","3","5","4","5","5","1") = "7"
    & skf18("8","3","5","4","5","6","1") = "7"
    & skf18("8","3","5","4","5","7","1") = "7"
    & skf18("8","3","5","4","5","8","1") = "7"
    & skf18("8","3","5","4","5","9","1") = "8"
    & skf18("8","3","5","4","5","10","1") = "9"
    & skf18("8","3","5","4","6","1","1") = "7"
    & skf18("8","3","5","4","6","2","1") = "7"
    & skf18("8","3","5","4","6","3","1") = "7"
    & skf18("8","3","5","4","6","4","1") = "7"
    & skf18("8","3","5","4","6","5","1") = "7"
    & skf18("8","3","5","4","6","6","1") = "7"
    & skf18("8","3","5","4","6","7","1") = "7"
    & skf18("8","3","5","4","6","8","1") = "7"
    & skf18("8","3","5","4","6","9","1") = "8"
    & skf18("8","3","5","4","6","10","1") = "9"
    & skf18("8","3","5","4","7","1","1") = "7"
    & skf18("8","3","5","4","7","2","1") = "7"
    & skf18("8","3","5","4","7","3","1") = "7"
    & skf18("8","3","5","4","7","4","1") = "7"
    & skf18("8","3","5","4","7","5","1") = "7"
    & skf18("8","3","5","4","7","6","1") = "7"
    & skf18("8","3","5","4","7","7","1") = "7"
    & skf18("8","3","5","4","7","8","1") = "7"
    & skf18("8","3","5","4","7","9","1") = "8"
    & skf18("8","3","5","4","7","10","1") = "9"
    & skf18("8","3","5","4","8","1","1") = "7"
    & skf18("8","3","5","4","8","2","1") = "7"
    & skf18("8","3","5","4","8","3","1") = "7"
    & skf18("8","3","5","4","8","4","1") = "7"
    & skf18("8","3","5","4","8","5","1") = "7"
    & skf18("8","3","5","4","8","6","1") = "7"
    & skf18("8","3","5","4","8","7","1") = "7"
    & skf18("8","3","5","4","8","8","1") = "7"
    & skf18("8","3","5","4","8","9","1") = "8"
    & skf18("8","3","5","4","8","10","1") = "9"
    & skf18("8","3","5","4","9","1","1") = "8"
    & skf18("8","3","5","4","9","2","1") = "8"
    & skf18("8","3","5","4","9","3","1") = "8"
    & skf18("8","3","5","4","9","4","1") = "8"
    & skf18("8","3","5","4","9","5","1") = "8"
    & skf18("8","3","5","4","9","6","1") = "8"
    & skf18("8","3","5","4","9","7","1") = "8"
    & skf18("8","3","5","4","9","8","1") = "8"
    & skf18("8","3","5","4","9","9","1") = "8"
    & skf18("8","3","5","4","9","10","1") = "9"
    & skf18("8","3","5","4","10","1","1") = "9"
    & skf18("8","3","5","4","10","2","1") = "9"
    & skf18("8","3","5","4","10","3","1") = "9"
    & skf18("8","3","5","4","10","4","1") = "9"
    & skf18("8","3","5","4","10","5","1") = "9"
    & skf18("8","3","5","4","10","6","1") = "9"
    & skf18("8","3","5","4","10","7","1") = "9"
    & skf18("8","3","5","4","10","8","1") = "9"
    & skf18("8","3","5","4","10","9","1") = "9"
    & skf18("8","3","5","4","10","10","1") = "9"
    & skf18("8","3","5","5","1","1","1") = "7"
    & skf18("8","3","5","5","1","2","1") = "7"
    & skf18("8","3","5","5","1","3","1") = "7"
    & skf18("8","3","5","5","1","4","1") = "7"
    & skf18("8","3","5","5","1","5","1") = "7"
    & skf18("8","3","5","5","1","6","1") = "7"
    & skf18("8","3","5","5","1","7","1") = "7"
    & skf18("8","3","5","5","1","8","1") = "7"
    & skf18("8","3","5","5","1","9","1") = "8"
    & skf18("8","3","5","5","1","10","1") = "9"
    & skf18("8","3","5","5","2","1","1") = "7"
    & skf18("8","3","5","5","2","2","1") = "7"
    & skf18("8","3","5","5","2","3","1") = "7"
    & skf18("8","3","5","5","2","4","1") = "7"
    & skf18("8","3","5","5","2","5","1") = "7"
    & skf18("8","3","5","5","2","6","1") = "7"
    & skf18("8","3","5","5","2","7","1") = "7"
    & skf18("8","3","5","5","2","8","1") = "7"
    & skf18("8","3","5","5","2","9","1") = "8"
    & skf18("8","3","5","5","2","10","1") = "9"
    & skf18("8","3","5","5","3","1","1") = "7"
    & skf18("8","3","5","5","3","2","1") = "7"
    & skf18("8","3","5","5","3","3","1") = "7"
    & skf18("8","3","5","5","3","4","1") = "7"
    & skf18("8","3","5","5","3","5","1") = "7"
    & skf18("8","3","5","5","3","6","1") = "7"
    & skf18("8","3","5","5","3","7","1") = "7"
    & skf18("8","3","5","5","3","8","1") = "7"
    & skf18("8","3","5","5","3","9","1") = "8"
    & skf18("8","3","5","5","3","10","1") = "9"
    & skf18("8","3","5","5","4","1","1") = "7"
    & skf18("8","3","5","5","4","2","1") = "7"
    & skf18("8","3","5","5","4","3","1") = "7"
    & skf18("8","3","5","5","4","4","1") = "7"
    & skf18("8","3","5","5","4","5","1") = "7"
    & skf18("8","3","5","5","4","6","1") = "7"
    & skf18("8","3","5","5","4","7","1") = "7"
    & skf18("8","3","5","5","4","8","1") = "7"
    & skf18("8","3","5","5","4","9","1") = "8"
    & skf18("8","3","5","5","4","10","1") = "9"
    & skf18("8","3","5","5","5","1","1") = "7"
    & skf18("8","3","5","5","5","2","1") = "7"
    & skf18("8","3","5","5","5","3","1") = "7"
    & skf18("8","3","5","5","5","4","1") = "7"
    & skf18("8","3","5","5","5","5","1") = "7"
    & skf18("8","3","5","5","5","6","1") = "7"
    & skf18("8","3","5","5","5","7","1") = "7"
    & skf18("8","3","5","5","5","8","1") = "7"
    & skf18("8","3","5","5","5","9","1") = "8"
    & skf18("8","3","5","5","5","10","1") = "9"
    & skf18("8","3","5","5","6","1","1") = "7"
    & skf18("8","3","5","5","6","2","1") = "7"
    & skf18("8","3","5","5","6","3","1") = "7"
    & skf18("8","3","5","5","6","4","1") = "7"
    & skf18("8","3","5","5","6","5","1") = "7"
    & skf18("8","3","5","5","6","6","1") = "7"
    & skf18("8","3","5","5","6","7","1") = "7"
    & skf18("8","3","5","5","6","8","1") = "7"
    & skf18("8","3","5","5","6","9","1") = "8"
    & skf18("8","3","5","5","6","10","1") = "9"
    & skf18("8","3","5","5","7","1","1") = "7"
    & skf18("8","3","5","5","7","2","1") = "7"
    & skf18("8","3","5","5","7","3","1") = "7"
    & skf18("8","3","5","5","7","4","1") = "7"
    & skf18("8","3","5","5","7","5","1") = "7"
    & skf18("8","3","5","5","7","6","1") = "7"
    & skf18("8","3","5","5","7","7","1") = "7"
    & skf18("8","3","5","5","7","8","1") = "7"
    & skf18("8","3","5","5","7","9","1") = "8"
    & skf18("8","3","5","5","7","10","1") = "9"
    & skf18("8","3","5","5","8","1","1") = "7"
    & skf18("8","3","5","5","8","2","1") = "7"
    & skf18("8","3","5","5","8","3","1") = "7"
    & skf18("8","3","5","5","8","4","1") = "7"
    & skf18("8","3","5","5","8","5","1") = "7"
    & skf18("8","3","5","5","8","6","1") = "7"
    & skf18("8","3","5","5","8","7","1") = "7"
    & skf18("8","3","5","5","8","8","1") = "7"
    & skf18("8","3","5","5","8","9","1") = "8"
    & skf18("8","3","5","5","8","10","1") = "9"
    & skf18("8","3","5","5","9","1","1") = "8"
    & skf18("8","3","5","5","9","2","1") = "8"
    & skf18("8","3","5","5","9","3","1") = "8"
    & skf18("8","3","5","5","9","4","1") = "8"
    & skf18("8","3","5","5","9","5","1") = "8"
    & skf18("8","3","5","5","9","6","1") = "8"
    & skf18("8","3","5","5","9","7","1") = "8"
    & skf18("8","3","5","5","9","8","1") = "8"
    & skf18("8","3","5","5","9","9","1") = "8"
    & skf18("8","3","5","5","9","10","1") = "9"
    & skf18("8","3","5","5","10","1","1") = "9"
    & skf18("8","3","5","5","10","2","1") = "9"
    & skf18("8","3","5","5","10","3","1") = "9"
    & skf18("8","3","5","5","10","4","1") = "9"
    & skf18("8","3","5","5","10","5","1") = "9"
    & skf18("8","3","5","5","10","6","1") = "9"
    & skf18("8","3","5","5","10","7","1") = "9"
    & skf18("8","3","5","5","10","8","1") = "9"
    & skf18("8","3","5","5","10","9","1") = "9"
    & skf18("8","3","5","5","10","10","1") = "9"
    & skf18("8","3","5","6","1","1","1") = "7"
    & skf18("8","3","5","6","1","2","1") = "7"
    & skf18("8","3","5","6","1","3","1") = "7"
    & skf18("8","3","5","6","1","4","1") = "7"
    & skf18("8","3","5","6","1","5","1") = "7"
    & skf18("8","3","5","6","1","6","1") = "7"
    & skf18("8","3","5","6","1","7","1") = "7"
    & skf18("8","3","5","6","1","8","1") = "7"
    & skf18("8","3","5","6","1","9","1") = "8"
    & skf18("8","3","5","6","1","10","1") = "9"
    & skf18("8","3","5","6","2","1","1") = "7"
    & skf18("8","3","5","6","2","2","1") = "7"
    & skf18("8","3","5","6","2","3","1") = "7"
    & skf18("8","3","5","6","2","4","1") = "7"
    & skf18("8","3","5","6","2","5","1") = "7"
    & skf18("8","3","5","6","2","6","1") = "7"
    & skf18("8","3","5","6","2","7","1") = "7"
    & skf18("8","3","5","6","2","8","1") = "7"
    & skf18("8","3","5","6","2","9","1") = "8"
    & skf18("8","3","5","6","2","10","1") = "9"
    & skf18("8","3","5","6","3","1","1") = "7"
    & skf18("8","3","5","6","3","2","1") = "7"
    & skf18("8","3","5","6","3","3","1") = "7"
    & skf18("8","3","5","6","3","4","1") = "7"
    & skf18("8","3","5","6","3","5","1") = "7"
    & skf18("8","3","5","6","3","6","1") = "7"
    & skf18("8","3","5","6","3","7","1") = "7"
    & skf18("8","3","5","6","3","8","1") = "7"
    & skf18("8","3","5","6","3","9","1") = "8"
    & skf18("8","3","5","6","3","10","1") = "9"
    & skf18("8","3","5","6","4","1","1") = "7"
    & skf18("8","3","5","6","4","2","1") = "7"
    & skf18("8","3","5","6","4","3","1") = "7"
    & skf18("8","3","5","6","4","4","1") = "7"
    & skf18("8","3","5","6","4","5","1") = "7"
    & skf18("8","3","5","6","4","6","1") = "7"
    & skf18("8","3","5","6","4","7","1") = "7"
    & skf18("8","3","5","6","4","8","1") = "7"
    & skf18("8","3","5","6","4","9","1") = "8"
    & skf18("8","3","5","6","4","10","1") = "9"
    & skf18("8","3","5","6","5","1","1") = "7"
    & skf18("8","3","5","6","5","2","1") = "7"
    & skf18("8","3","5","6","5","3","1") = "7"
    & skf18("8","3","5","6","5","4","1") = "7"
    & skf18("8","3","5","6","5","5","1") = "7"
    & skf18("8","3","5","6","5","6","1") = "7"
    & skf18("8","3","5","6","5","7","1") = "7"
    & skf18("8","3","5","6","5","8","1") = "7"
    & skf18("8","3","5","6","5","9","1") = "8"
    & skf18("8","3","5","6","5","10","1") = "9"
    & skf18("8","3","5","6","6","1","1") = "7"
    & skf18("8","3","5","6","6","2","1") = "7"
    & skf18("8","3","5","6","6","3","1") = "7"
    & skf18("8","3","5","6","6","4","1") = "7"
    & skf18("8","3","5","6","6","5","1") = "7"
    & skf18("8","3","5","6","6","6","1") = "7"
    & skf18("8","3","5","6","6","7","1") = "7"
    & skf18("8","3","5","6","6","8","1") = "7"
    & skf18("8","3","5","6","6","9","1") = "8"
    & skf18("8","3","5","6","6","10","1") = "9"
    & skf18("8","3","5","6","7","1","1") = "7"
    & skf18("8","3","5","6","7","2","1") = "7"
    & skf18("8","3","5","6","7","3","1") = "7"
    & skf18("8","3","5","6","7","4","1") = "7"
    & skf18("8","3","5","6","7","5","1") = "7"
    & skf18("8","3","5","6","7","6","1") = "7"
    & skf18("8","3","5","6","7","7","1") = "7"
    & skf18("8","3","5","6","7","8","1") = "7"
    & skf18("8","3","5","6","7","9","1") = "8"
    & skf18("8","3","5","6","7","10","1") = "9"
    & skf18("8","3","5","6","8","1","1") = "7"
    & skf18("8","3","5","6","8","2","1") = "7"
    & skf18("8","3","5","6","8","3","1") = "7"
    & skf18("8","3","5","6","8","4","1") = "7"
    & skf18("8","3","5","6","8","5","1") = "7"
    & skf18("8","3","5","6","8","6","1") = "7"
    & skf18("8","3","5","6","8","7","1") = "7"
    & skf18("8","3","5","6","8","8","1") = "7"
    & skf18("8","3","5","6","8","9","1") = "8"
    & skf18("8","3","5","6","8","10","1") = "9"
    & skf18("8","3","5","6","9","1","1") = "8"
    & skf18("8","3","5","6","9","2","1") = "8"
    & skf18("8","3","5","6","9","3","1") = "8"
    & skf18("8","3","5","6","9","4","1") = "8"
    & skf18("8","3","5","6","9","5","1") = "8"
    & skf18("8","3","5","6","9","6","1") = "8"
    & skf18("8","3","5","6","9","7","1") = "8"
    & skf18("8","3","5","6","9","8","1") = "8"
    & skf18("8","3","5","6","9","9","1") = "8"
    & skf18("8","3","5","6","9","10","1") = "9"
    & skf18("8","3","5","6","10","1","1") = "9"
    & skf18("8","3","5","6","10","2","1") = "9"
    & skf18("8","3","5","6","10","3","1") = "9"
    & skf18("8","3","5","6","10","4","1") = "9"
    & skf18("8","3","5","6","10","5","1") = "9"
    & skf18("8","3","5","6","10","6","1") = "9"
    & skf18("8","3","5","6","10","7","1") = "9"
    & skf18("8","3","5","6","10","8","1") = "9"
    & skf18("8","3","5","6","10","9","1") = "9"
    & skf18("8","3","5","6","10","10","1") = "9"
    & skf18("8","3","5","7","1","1","1") = "7"
    & skf18("8","3","5","7","1","2","1") = "7"
    & skf18("8","3","5","7","1","3","1") = "7"
    & skf18("8","3","5","7","1","4","1") = "7"
    & skf18("8","3","5","7","1","5","1") = "7"
    & skf18("8","3","5","7","1","6","1") = "7"
    & skf18("8","3","5","7","1","7","1") = "7"
    & skf18("8","3","5","7","1","8","1") = "7"
    & skf18("8","3","5","7","1","9","1") = "8"
    & skf18("8","3","5","7","1","10","1") = "9"
    & skf18("8","3","5","7","2","1","1") = "7"
    & skf18("8","3","5","7","2","2","1") = "7"
    & skf18("8","3","5","7","2","3","1") = "7"
    & skf18("8","3","5","7","2","4","1") = "7"
    & skf18("8","3","5","7","2","5","1") = "7"
    & skf18("8","3","5","7","2","6","1") = "7"
    & skf18("8","3","5","7","2","7","1") = "7"
    & skf18("8","3","5","7","2","8","1") = "7"
    & skf18("8","3","5","7","2","9","1") = "8"
    & skf18("8","3","5","7","2","10","1") = "9"
    & skf18("8","3","5","7","3","1","1") = "7"
    & skf18("8","3","5","7","3","2","1") = "7"
    & skf18("8","3","5","7","3","3","1") = "7"
    & skf18("8","3","5","7","3","4","1") = "7"
    & skf18("8","3","5","7","3","5","1") = "7"
    & skf18("8","3","5","7","3","6","1") = "7"
    & skf18("8","3","5","7","3","7","1") = "7"
    & skf18("8","3","5","7","3","8","1") = "7"
    & skf18("8","3","5","7","3","9","1") = "8"
    & skf18("8","3","5","7","3","10","1") = "9"
    & skf18("8","3","5","7","4","1","1") = "7"
    & skf18("8","3","5","7","4","2","1") = "7"
    & skf18("8","3","5","7","4","3","1") = "7"
    & skf18("8","3","5","7","4","4","1") = "7"
    & skf18("8","3","5","7","4","5","1") = "7"
    & skf18("8","3","5","7","4","6","1") = "7"
    & skf18("8","3","5","7","4","7","1") = "7"
    & skf18("8","3","5","7","4","8","1") = "7"
    & skf18("8","3","5","7","4","9","1") = "8"
    & skf18("8","3","5","7","4","10","1") = "9"
    & skf18("8","3","5","7","5","1","1") = "7"
    & skf18("8","3","5","7","5","2","1") = "7"
    & skf18("8","3","5","7","5","3","1") = "7"
    & skf18("8","3","5","7","5","4","1") = "7"
    & skf18("8","3","5","7","5","5","1") = "7"
    & skf18("8","3","5","7","5","6","1") = "7"
    & skf18("8","3","5","7","5","7","1") = "7"
    & skf18("8","3","5","7","5","8","1") = "7"
    & skf18("8","3","5","7","5","9","1") = "8"
    & skf18("8","3","5","7","5","10","1") = "9"
    & skf18("8","3","5","7","6","1","1") = "7"
    & skf18("8","3","5","7","6","2","1") = "7"
    & skf18("8","3","5","7","6","3","1") = "7"
    & skf18("8","3","5","7","6","4","1") = "7"
    & skf18("8","3","5","7","6","5","1") = "7"
    & skf18("8","3","5","7","6","6","1") = "7"
    & skf18("8","3","5","7","6","7","1") = "7"
    & skf18("8","3","5","7","6","8","1") = "7"
    & skf18("8","3","5","7","6","9","1") = "8"
    & skf18("8","3","5","7","6","10","1") = "9"
    & skf18("8","3","5","7","7","1","1") = "7"
    & skf18("8","3","5","7","7","2","1") = "7"
    & skf18("8","3","5","7","7","3","1") = "7"
    & skf18("8","3","5","7","7","4","1") = "7"
    & skf18("8","3","5","7","7","5","1") = "7"
    & skf18("8","3","5","7","7","6","1") = "7"
    & skf18("8","3","5","7","7","7","1") = "7"
    & skf18("8","3","5","7","7","8","1") = "7"
    & skf18("8","3","5","7","7","9","1") = "8"
    & skf18("8","3","5","7","7","10","1") = "9"
    & skf18("8","3","5","7","8","1","1") = "7"
    & skf18("8","3","5","7","8","2","1") = "7"
    & skf18("8","3","5","7","8","3","1") = "7"
    & skf18("8","3","5","7","8","4","1") = "7"
    & skf18("8","3","5","7","8","5","1") = "7"
    & skf18("8","3","5","7","8","6","1") = "7"
    & skf18("8","3","5","7","8","7","1") = "7"
    & skf18("8","3","5","7","8","8","1") = "7"
    & skf18("8","3","5","7","8","9","1") = "8"
    & skf18("8","3","5","7","8","10","1") = "9"
    & skf18("8","3","5","7","9","1","1") = "8"
    & skf18("8","3","5","7","9","2","1") = "8"
    & skf18("8","3","5","7","9","3","1") = "8"
    & skf18("8","3","5","7","9","4","1") = "8"
    & skf18("8","3","5","7","9","5","1") = "8"
    & skf18("8","3","5","7","9","6","1") = "8"
    & skf18("8","3","5","7","9","7","1") = "8"
    & skf18("8","3","5","7","9","8","1") = "8"
    & skf18("8","3","5","7","9","9","1") = "8"
    & skf18("8","3","5","7","9","10","1") = "9"
    & skf18("8","3","5","7","10","1","1") = "9"
    & skf18("8","3","5","7","10","2","1") = "9"
    & skf18("8","3","5","7","10","3","1") = "9"
    & skf18("8","3","5","7","10","4","1") = "9"
    & skf18("8","3","5","7","10","5","1") = "9"
    & skf18("8","3","5","7","10","6","1") = "9"
    & skf18("8","3","5","7","10","7","1") = "9"
    & skf18("8","3","5","7","10","8","1") = "9"
    & skf18("8","3","5","7","10","9","1") = "9"
    & skf18("8","3","5","7","10","10","1") = "9"
    & skf18("8","3","5","8","1","1","1") = "7"
    & skf18("8","3","5","8","1","2","1") = "7"
    & skf18("8","3","5","8","1","3","1") = "7"
    & skf18("8","3","5","8","1","4","1") = "7"
    & skf18("8","3","5","8","1","5","1") = "7"
    & skf18("8","3","5","8","1","6","1") = "7"
    & skf18("8","3","5","8","1","7","1") = "7"
    & skf18("8","3","5","8","1","8","1") = "7"
    & skf18("8","3","5","8","1","9","1") = "8"
    & skf18("8","3","5","8","1","10","1") = "9"
    & skf18("8","3","5","8","2","1","1") = "7"
    & skf18("8","3","5","8","2","2","1") = "7"
    & skf18("8","3","5","8","2","3","1") = "7"
    & skf18("8","3","5","8","2","4","1") = "7"
    & skf18("8","3","5","8","2","5","1") = "7"
    & skf18("8","3","5","8","2","6","1") = "7"
    & skf18("8","3","5","8","2","7","1") = "7"
    & skf18("8","3","5","8","2","8","1") = "7"
    & skf18("8","3","5","8","2","9","1") = "8"
    & skf18("8","3","5","8","2","10","1") = "9"
    & skf18("8","3","5","8","3","1","1") = "7"
    & skf18("8","3","5","8","3","2","1") = "7"
    & skf18("8","3","5","8","3","3","1") = "7"
    & skf18("8","3","5","8","3","4","1") = "7"
    & skf18("8","3","5","8","3","5","1") = "7"
    & skf18("8","3","5","8","3","6","1") = "7"
    & skf18("8","3","5","8","3","7","1") = "7"
    & skf18("8","3","5","8","3","8","1") = "7"
    & skf18("8","3","5","8","3","9","1") = "8"
    & skf18("8","3","5","8","3","10","1") = "9"
    & skf18("8","3","5","8","4","1","1") = "7"
    & skf18("8","3","5","8","4","2","1") = "7"
    & skf18("8","3","5","8","4","3","1") = "7"
    & skf18("8","3","5","8","4","4","1") = "7"
    & skf18("8","3","5","8","4","5","1") = "7"
    & skf18("8","3","5","8","4","6","1") = "7"
    & skf18("8","3","5","8","4","7","1") = "7"
    & skf18("8","3","5","8","4","8","1") = "7"
    & skf18("8","3","5","8","4","9","1") = "8"
    & skf18("8","3","5","8","4","10","1") = "9"
    & skf18("8","3","5","8","5","1","1") = "7"
    & skf18("8","3","5","8","5","2","1") = "7"
    & skf18("8","3","5","8","5","3","1") = "7"
    & skf18("8","3","5","8","5","4","1") = "7"
    & skf18("8","3","5","8","5","5","1") = "7"
    & skf18("8","3","5","8","5","6","1") = "7"
    & skf18("8","3","5","8","5","7","1") = "7"
    & skf18("8","3","5","8","5","8","1") = "7"
    & skf18("8","3","5","8","5","9","1") = "8"
    & skf18("8","3","5","8","5","10","1") = "9"
    & skf18("8","3","5","8","6","1","1") = "7"
    & skf18("8","3","5","8","6","2","1") = "7"
    & skf18("8","3","5","8","6","3","1") = "7"
    & skf18("8","3","5","8","6","4","1") = "7"
    & skf18("8","3","5","8","6","5","1") = "7"
    & skf18("8","3","5","8","6","6","1") = "7"
    & skf18("8","3","5","8","6","7","1") = "7"
    & skf18("8","3","5","8","6","8","1") = "7"
    & skf18("8","3","5","8","6","9","1") = "8"
    & skf18("8","3","5","8","6","10","1") = "9"
    & skf18("8","3","5","8","7","1","1") = "7"
    & skf18("8","3","5","8","7","2","1") = "7"
    & skf18("8","3","5","8","7","3","1") = "7"
    & skf18("8","3","5","8","7","4","1") = "7"
    & skf18("8","3","5","8","7","5","1") = "7"
    & skf18("8","3","5","8","7","6","1") = "7"
    & skf18("8","3","5","8","7","7","1") = "7"
    & skf18("8","3","5","8","7","8","1") = "7"
    & skf18("8","3","5","8","7","9","1") = "8"
    & skf18("8","3","5","8","7","10","1") = "9"
    & skf18("8","3","5","8","8","1","1") = "7"
    & skf18("8","3","5","8","8","2","1") = "7"
    & skf18("8","3","5","8","8","3","1") = "7"
    & skf18("8","3","5","8","8","4","1") = "7"
    & skf18("8","3","5","8","8","5","1") = "7"
    & skf18("8","3","5","8","8","6","1") = "7"
    & skf18("8","3","5","8","8","7","1") = "7"
    & skf18("8","3","5","8","8","8","1") = "7"
    & skf18("8","3","5","8","8","9","1") = "8"
    & skf18("8","3","5","8","8","10","1") = "9"
    & skf18("8","3","5","8","9","1","1") = "8"
    & skf18("8","3","5","8","9","2","1") = "8"
    & skf18("8","3","5","8","9","3","1") = "8"
    & skf18("8","3","5","8","9","4","1") = "8"
    & skf18("8","3","5","8","9","5","1") = "8"
    & skf18("8","3","5","8","9","6","1") = "8"
    & skf18("8","3","5","8","9","7","1") = "8"
    & skf18("8","3","5","8","9","8","1") = "8"
    & skf18("8","3","5","8","9","9","1") = "8"
    & skf18("8","3","5","8","9","10","1") = "9"
    & skf18("8","3","5","8","10","1","1") = "9"
    & skf18("8","3","5","8","10","2","1") = "9"
    & skf18("8","3","5","8","10","3","1") = "9"
    & skf18("8","3","5","8","10","4","1") = "9"
    & skf18("8","3","5","8","10","5","1") = "9"
    & skf18("8","3","5","8","10","6","1") = "9"
    & skf18("8","3","5","8","10","7","1") = "9"
    & skf18("8","3","5","8","10","8","1") = "9"
    & skf18("8","3","5","8","10","9","1") = "9"
    & skf18("8","3","5","8","10","10","1") = "9"
    & skf18("8","3","5","9","1","1","1") = "8"
    & skf18("8","3","5","9","1","2","1") = "8"
    & skf18("8","3","5","9","1","3","1") = "8"
    & skf18("8","3","5","9","1","4","1") = "8"
    & skf18("8","3","5","9","1","5","1") = "8"
    & skf18("8","3","5","9","1","6","1") = "8"
    & skf18("8","3","5","9","1","7","1") = "8"
    & skf18("8","3","5","9","1","8","1") = "8"
    & skf18("8","3","5","9","1","9","1") = "8"
    & skf18("8","3","5","9","1","10","1") = "9"
    & skf18("8","3","5","9","2","1","1") = "8"
    & skf18("8","3","5","9","2","2","1") = "8"
    & skf18("8","3","5","9","2","3","1") = "8"
    & skf18("8","3","5","9","2","4","1") = "8"
    & skf18("8","3","5","9","2","5","1") = "8"
    & skf18("8","3","5","9","2","6","1") = "8"
    & skf18("8","3","5","9","2","7","1") = "8"
    & skf18("8","3","5","9","2","8","1") = "8"
    & skf18("8","3","5","9","2","9","1") = "8"
    & skf18("8","3","5","9","2","10","1") = "9"
    & skf18("8","3","5","9","3","1","1") = "8"
    & skf18("8","3","5","9","3","2","1") = "8"
    & skf18("8","3","5","9","3","3","1") = "8"
    & skf18("8","3","5","9","3","4","1") = "8"
    & skf18("8","3","5","9","3","5","1") = "8"
    & skf18("8","3","5","9","3","6","1") = "8"
    & skf18("8","3","5","9","3","7","1") = "8"
    & skf18("8","3","5","9","3","8","1") = "8"
    & skf18("8","3","5","9","3","9","1") = "8"
    & skf18("8","3","5","9","3","10","1") = "9"
    & skf18("8","3","5","9","4","1","1") = "8"
    & skf18("8","3","5","9","4","2","1") = "8"
    & skf18("8","3","5","9","4","3","1") = "8"
    & skf18("8","3","5","9","4","4","1") = "8"
    & skf18("8","3","5","9","4","5","1") = "8"
    & skf18("8","3","5","9","4","6","1") = "8"
    & skf18("8","3","5","9","4","7","1") = "8"
    & skf18("8","3","5","9","4","8","1") = "8"
    & skf18("8","3","5","9","4","9","1") = "8"
    & skf18("8","3","5","9","4","10","1") = "9"
    & skf18("8","3","5","9","5","1","1") = "8"
    & skf18("8","3","5","9","5","2","1") = "8"
    & skf18("8","3","5","9","5","3","1") = "8"
    & skf18("8","3","5","9","5","4","1") = "8"
    & skf18("8","3","5","9","5","5","1") = "8"
    & skf18("8","3","5","9","5","6","1") = "8"
    & skf18("8","3","5","9","5","7","1") = "8"
    & skf18("8","3","5","9","5","8","1") = "8"
    & skf18("8","3","5","9","5","9","1") = "8"
    & skf18("8","3","5","9","5","10","1") = "9"
    & skf18("8","3","5","9","6","1","1") = "8"
    & skf18("8","3","5","9","6","2","1") = "8"
    & skf18("8","3","5","9","6","3","1") = "8"
    & skf18("8","3","5","9","6","4","1") = "8"
    & skf18("8","3","5","9","6","5","1") = "8"
    & skf18("8","3","5","9","6","6","1") = "8"
    & skf18("8","3","5","9","6","7","1") = "8"
    & skf18("8","3","5","9","6","8","1") = "8"
    & skf18("8","3","5","9","6","9","1") = "8"
    & skf18("8","3","5","9","6","10","1") = "9"
    & skf18("8","3","5","9","7","1","1") = "8"
    & skf18("8","3","5","9","7","2","1") = "8"
    & skf18("8","3","5","9","7","3","1") = "8"
    & skf18("8","3","5","9","7","4","1") = "8"
    & skf18("8","3","5","9","7","5","1") = "8"
    & skf18("8","3","5","9","7","6","1") = "8"
    & skf18("8","3","5","9","7","7","1") = "8"
    & skf18("8","3","5","9","7","8","1") = "8"
    & skf18("8","3","5","9","7","9","1") = "8"
    & skf18("8","3","5","9","7","10","1") = "9"
    & skf18("8","3","5","9","8","1","1") = "8"
    & skf18("8","3","5","9","8","2","1") = "8"
    & skf18("8","3","5","9","8","3","1") = "8"
    & skf18("8","3","5","9","8","4","1") = "8"
    & skf18("8","3","5","9","8","5","1") = "8"
    & skf18("8","3","5","9","8","6","1") = "8"
    & skf18("8","3","5","9","8","7","1") = "8"
    & skf18("8","3","5","9","8","8","1") = "8"
    & skf18("8","3","5","9","8","9","1") = "8"
    & skf18("8","3","5","9","8","10","1") = "9"
    & skf18("8","3","5","9","9","1","1") = "8"
    & skf18("8","3","5","9","9","2","1") = "8"
    & skf18("8","3","5","9","9","3","1") = "8"
    & skf18("8","3","5","9","9","4","1") = "8"
    & skf18("8","3","5","9","9","5","1") = "8"
    & skf18("8","3","5","9","9","6","1") = "8"
    & skf18("8","3","5","9","9","7","1") = "8"
    & skf18("8","3","5","9","9","8","1") = "8"
    & skf18("8","3","5","9","9","9","1") = "8"
    & skf18("8","3","5","9","9","10","1") = "9"
    & skf18("8","3","5","9","10","1","1") = "9"
    & skf18("8","3","5","9","10","2","1") = "9"
    & skf18("8","3","5","9","10","3","1") = "9"
    & skf18("8","3","5","9","10","4","1") = "9"
    & skf18("8","3","5","9","10","5","1") = "9"
    & skf18("8","3","5","9","10","6","1") = "9"
    & skf18("8","3","5","9","10","7","1") = "9"
    & skf18("8","3","5","9","10","8","1") = "9"
    & skf18("8","3","5","9","10","9","1") = "9"
    & skf18("8","3","5","9","10","10","1") = "9"
    & skf18("8","3","5","10","1","1","1") = "9"
    & skf18("8","3","5","10","1","2","1") = "9"
    & skf18("8","3","5","10","1","3","1") = "9"
    & skf18("8","3","5","10","1","4","1") = "9"
    & skf18("8","3","5","10","1","5","1") = "9"
    & skf18("8","3","5","10","1","6","1") = "9"
    & skf18("8","3","5","10","1","7","1") = "9"
    & skf18("8","3","5","10","1","8","1") = "9"
    & skf18("8","3","5","10","1","9","1") = "9"
    & skf18("8","3","5","10","1","10","1") = "9"
    & skf18("8","3","5","10","2","1","1") = "9"
    & skf18("8","3","5","10","2","2","1") = "9"
    & skf18("8","3","5","10","2","3","1") = "9"
    & skf18("8","3","5","10","2","4","1") = "9"
    & skf18("8","3","5","10","2","5","1") = "9"
    & skf18("8","3","5","10","2","6","1") = "9"
    & skf18("8","3","5","10","2","7","1") = "9"
    & skf18("8","3","5","10","2","8","1") = "9"
    & skf18("8","3","5","10","2","9","1") = "9"
    & skf18("8","3","5","10","2","10","1") = "9"
    & skf18("8","3","5","10","3","1","1") = "9"
    & skf18("8","3","5","10","3","2","1") = "9"
    & skf18("8","3","5","10","3","3","1") = "9"
    & skf18("8","3","5","10","3","4","1") = "9"
    & skf18("8","3","5","10","3","5","1") = "9"
    & skf18("8","3","5","10","3","6","1") = "9"
    & skf18("8","3","5","10","3","7","1") = "9"
    & skf18("8","3","5","10","3","8","1") = "9"
    & skf18("8","3","5","10","3","9","1") = "9"
    & skf18("8","3","5","10","3","10","1") = "9"
    & skf18("8","3","5","10","4","1","1") = "9"
    & skf18("8","3","5","10","4","2","1") = "9"
    & skf18("8","3","5","10","4","3","1") = "9"
    & skf18("8","3","5","10","4","4","1") = "9"
    & skf18("8","3","5","10","4","5","1") = "9"
    & skf18("8","3","5","10","4","6","1") = "9"
    & skf18("8","3","5","10","4","7","1") = "9"
    & skf18("8","3","5","10","4","8","1") = "9"
    & skf18("8","3","5","10","4","9","1") = "9"
    & skf18("8","3","5","10","4","10","1") = "9"
    & skf18("8","3","5","10","5","1","1") = "9"
    & skf18("8","3","5","10","5","2","1") = "9"
    & skf18("8","3","5","10","5","3","1") = "9"
    & skf18("8","3","5","10","5","4","1") = "9"
    & skf18("8","3","5","10","5","5","1") = "9"
    & skf18("8","3","5","10","5","6","1") = "9"
    & skf18("8","3","5","10","5","7","1") = "9"
    & skf18("8","3","5","10","5","8","1") = "9"
    & skf18("8","3","5","10","5","9","1") = "9"
    & skf18("8","3","5","10","5","10","1") = "9"
    & skf18("8","3","5","10","6","1","1") = "9"
    & skf18("8","3","5","10","6","2","1") = "9"
    & skf18("8","3","5","10","6","3","1") = "9"
    & skf18("8","3","5","10","6","4","1") = "9"
    & skf18("8","3","5","10","6","5","1") = "9"
    & skf18("8","3","5","10","6","6","1") = "9"
    & skf18("8","3","5","10","6","7","1") = "9"
    & skf18("8","3","5","10","6","8","1") = "9"
    & skf18("8","3","5","10","6","9","1") = "9"
    & skf18("8","3","5","10","6","10","1") = "9"
    & skf18("8","3","5","10","7","1","1") = "9"
    & skf18("8","3","5","10","7","2","1") = "9"
    & skf18("8","3","5","10","7","3","1") = "9"
    & skf18("8","3","5","10","7","4","1") = "9"
    & skf18("8","3","5","10","7","5","1") = "9"
    & skf18("8","3","5","10","7","6","1") = "9"
    & skf18("8","3","5","10","7","7","1") = "9"
    & skf18("8","3","5","10","7","8","1") = "9"
    & skf18("8","3","5","10","7","9","1") = "9"
    & skf18("8","3","5","10","7","10","1") = "9"
    & skf18("8","3","5","10","8","1","1") = "9"
    & skf18("8","3","5","10","8","2","1") = "9"
    & skf18("8","3","5","10","8","3","1") = "9"
    & skf18("8","3","5","10","8","4","1") = "9"
    & skf18("8","3","5","10","8","5","1") = "9"
    & skf18("8","3","5","10","8","6","1") = "9"
    & skf18("8","3","5","10","8","7","1") = "9"
    & skf18("8","3","5","10","8","8","1") = "9"
    & skf18("8","3","5","10","8","9","1") = "9"
    & skf18("8","3","5","10","8","10","1") = "9"
    & skf18("8","3","5","10","9","1","1") = "9"
    & skf18("8","3","5","10","9","2","1") = "9"
    & skf18("8","3","5","10","9","3","1") = "9"
    & skf18("8","3","5","10","9","4","1") = "9"
    & skf18("8","3","5","10","9","5","1") = "9"
    & skf18("8","3","5","10","9","6","1") = "9"
    & skf18("8","3","5","10","9","7","1") = "9"
    & skf18("8","3","5","10","9","8","1") = "9"
    & skf18("8","3","5","10","9","9","1") = "9"
    & skf18("8","3","5","10","9","10","1") = "9"
    & skf18("8","3","5","10","10","1","1") = "9"
    & skf18("8","3","5","10","10","2","1") = "9"
    & skf18("8","3","5","10","10","3","1") = "9"
    & skf18("8","3","5","10","10","4","1") = "9"
    & skf18("8","3","5","10","10","5","1") = "9"
    & skf18("8","3","5","10","10","6","1") = "9"
    & skf18("8","3","5","10","10","7","1") = "9"
    & skf18("8","3","5","10","10","8","1") = "9"
    & skf18("8","3","5","10","10","9","1") = "9"
    & skf18("8","3","5","10","10","10","1") = "9"
    & skf18("8","3","6","1","1","1","1") = "7"
    & skf18("8","3","6","1","1","2","1") = "7"
    & skf18("8","3","6","1","1","3","1") = "7"
    & skf18("8","3","6","1","1","4","1") = "7"
    & skf18("8","3","6","1","1","5","1") = "7"
    & skf18("8","3","6","1","1","6","1") = "7"
    & skf18("8","3","6","1","1","7","1") = "7"
    & skf18("8","3","6","1","1","8","1") = "7"
    & skf18("8","3","6","1","1","9","1") = "8"
    & skf18("8","3","6","1","1","10","1") = "9"
    & skf18("8","3","6","1","2","1","1") = "7"
    & skf18("8","3","6","1","2","2","1") = "7"
    & skf18("8","3","6","1","2","3","1") = "7"
    & skf18("8","3","6","1","2","4","1") = "7"
    & skf18("8","3","6","1","2","5","1") = "7"
    & skf18("8","3","6","1","2","6","1") = "7"
    & skf18("8","3","6","1","2","7","1") = "7"
    & skf18("8","3","6","1","2","8","1") = "7"
    & skf18("8","3","6","1","2","9","1") = "8"
    & skf18("8","3","6","1","2","10","1") = "9"
    & skf18("8","3","6","1","3","1","1") = "7"
    & skf18("8","3","6","1","3","2","1") = "7"
    & skf18("8","3","6","1","3","3","1") = "7"
    & skf18("8","3","6","1","3","4","1") = "7"
    & skf18("8","3","6","1","3","5","1") = "7"
    & skf18("8","3","6","1","3","6","1") = "7"
    & skf18("8","3","6","1","3","7","1") = "7"
    & skf18("8","3","6","1","3","8","1") = "7"
    & skf18("8","3","6","1","3","9","1") = "8"
    & skf18("8","3","6","1","3","10","1") = "9"
    & skf18("8","3","6","1","4","1","1") = "7"
    & skf18("8","3","6","1","4","2","1") = "7"
    & skf18("8","3","6","1","4","3","1") = "7"
    & skf18("8","3","6","1","4","4","1") = "7"
    & skf18("8","3","6","1","4","5","1") = "7"
    & skf18("8","3","6","1","4","6","1") = "7"
    & skf18("8","3","6","1","4","7","1") = "7"
    & skf18("8","3","6","1","4","8","1") = "7"
    & skf18("8","3","6","1","4","9","1") = "8"
    & skf18("8","3","6","1","4","10","1") = "9"
    & skf18("8","3","6","1","5","1","1") = "7"
    & skf18("8","3","6","1","5","2","1") = "7"
    & skf18("8","3","6","1","5","3","1") = "7"
    & skf18("8","3","6","1","5","4","1") = "7"
    & skf18("8","3","6","1","5","5","1") = "7"
    & skf18("8","3","6","1","5","6","1") = "7"
    & skf18("8","3","6","1","5","7","1") = "7"
    & skf18("8","3","6","1","5","8","1") = "7"
    & skf18("8","3","6","1","5","9","1") = "8"
    & skf18("8","3","6","1","5","10","1") = "9"
    & skf18("8","3","6","1","6","1","1") = "7"
    & skf18("8","3","6","1","6","2","1") = "7"
    & skf18("8","3","6","1","6","3","1") = "7"
    & skf18("8","3","6","1","6","4","1") = "7"
    & skf18("8","3","6","1","6","5","1") = "7"
    & skf18("8","3","6","1","6","6","1") = "7"
    & skf18("8","3","6","1","6","7","1") = "7"
    & skf18("8","3","6","1","6","8","1") = "7"
    & skf18("8","3","6","1","6","9","1") = "8"
    & skf18("8","3","6","1","6","10","1") = "9"
    & skf18("8","3","6","1","7","1","1") = "7"
    & skf18("8","3","6","1","7","2","1") = "7"
    & skf18("8","3","6","1","7","3","1") = "7"
    & skf18("8","3","6","1","7","4","1") = "7"
    & skf18("8","3","6","1","7","5","1") = "7"
    & skf18("8","3","6","1","7","6","1") = "7"
    & skf18("8","3","6","1","7","7","1") = "7"
    & skf18("8","3","6","1","7","8","1") = "7"
    & skf18("8","3","6","1","7","9","1") = "8"
    & skf18("8","3","6","1","7","10","1") = "9"
    & skf18("8","3","6","1","8","1","1") = "7"
    & skf18("8","3","6","1","8","2","1") = "7"
    & skf18("8","3","6","1","8","3","1") = "7"
    & skf18("8","3","6","1","8","4","1") = "7"
    & skf18("8","3","6","1","8","5","1") = "7"
    & skf18("8","3","6","1","8","6","1") = "7"
    & skf18("8","3","6","1","8","7","1") = "7"
    & skf18("8","3","6","1","8","8","1") = "7"
    & skf18("8","3","6","1","8","9","1") = "8"
    & skf18("8","3","6","1","8","10","1") = "9"
    & skf18("8","3","6","1","9","1","1") = "8"
    & skf18("8","3","6","1","9","2","1") = "8"
    & skf18("8","3","6","1","9","3","1") = "8"
    & skf18("8","3","6","1","9","4","1") = "8"
    & skf18("8","3","6","1","9","5","1") = "8"
    & skf18("8","3","6","1","9","6","1") = "8"
    & skf18("8","3","6","1","9","7","1") = "8"
    & skf18("8","3","6","1","9","8","1") = "8"
    & skf18("8","3","6","1","9","9","1") = "8"
    & skf18("8","3","6","1","9","10","1") = "9"
    & skf18("8","3","6","1","10","1","1") = "9"
    & skf18("8","3","6","1","10","2","1") = "9"
    & skf18("8","3","6","1","10","3","1") = "9"
    & skf18("8","3","6","1","10","4","1") = "9"
    & skf18("8","3","6","1","10","5","1") = "9"
    & skf18("8","3","6","1","10","6","1") = "9"
    & skf18("8","3","6","1","10","7","1") = "9"
    & skf18("8","3","6","1","10","8","1") = "9"
    & skf18("8","3","6","1","10","9","1") = "9"
    & skf18("8","3","6","1","10","10","1") = "9"
    & skf18("8","3","6","2","1","1","1") = "7"
    & skf18("8","3","6","2","1","2","1") = "7"
    & skf18("8","3","6","2","1","3","1") = "7"
    & skf18("8","3","6","2","1","4","1") = "7"
    & skf18("8","3","6","2","1","5","1") = "7"
    & skf18("8","3","6","2","1","6","1") = "7"
    & skf18("8","3","6","2","1","7","1") = "7"
    & skf18("8","3","6","2","1","8","1") = "7"
    & skf18("8","3","6","2","1","9","1") = "8"
    & skf18("8","3","6","2","1","10","1") = "9"
    & skf18("8","3","6","2","2","1","1") = "7"
    & skf18("8","3","6","2","2","2","1") = "7"
    & skf18("8","3","6","2","2","3","1") = "7"
    & skf18("8","3","6","2","2","4","1") = "7"
    & skf18("8","3","6","2","2","5","1") = "7"
    & skf18("8","3","6","2","2","6","1") = "7"
    & skf18("8","3","6","2","2","7","1") = "7"
    & skf18("8","3","6","2","2","8","1") = "7"
    & skf18("8","3","6","2","2","9","1") = "8"
    & skf18("8","3","6","2","2","10","1") = "9"
    & skf18("8","3","6","2","3","1","1") = "7"
    & skf18("8","3","6","2","3","2","1") = "7"
    & skf18("8","3","6","2","3","3","1") = "7"
    & skf18("8","3","6","2","3","4","1") = "7"
    & skf18("8","3","6","2","3","5","1") = "7"
    & skf18("8","3","6","2","3","6","1") = "7"
    & skf18("8","3","6","2","3","7","1") = "7"
    & skf18("8","3","6","2","3","8","1") = "7"
    & skf18("8","3","6","2","3","9","1") = "8"
    & skf18("8","3","6","2","3","10","1") = "9"
    & skf18("8","3","6","2","4","1","1") = "7"
    & skf18("8","3","6","2","4","2","1") = "7"
    & skf18("8","3","6","2","4","3","1") = "7"
    & skf18("8","3","6","2","4","4","1") = "7"
    & skf18("8","3","6","2","4","5","1") = "7"
    & skf18("8","3","6","2","4","6","1") = "7"
    & skf18("8","3","6","2","4","7","1") = "7"
    & skf18("8","3","6","2","4","8","1") = "7"
    & skf18("8","3","6","2","4","9","1") = "8"
    & skf18("8","3","6","2","4","10","1") = "9"
    & skf18("8","3","6","2","5","1","1") = "7"
    & skf18("8","3","6","2","5","2","1") = "7"
    & skf18("8","3","6","2","5","3","1") = "7"
    & skf18("8","3","6","2","5","4","1") = "7"
    & skf18("8","3","6","2","5","5","1") = "7"
    & skf18("8","3","6","2","5","6","1") = "7"
    & skf18("8","3","6","2","5","7","1") = "7"
    & skf18("8","3","6","2","5","8","1") = "7"
    & skf18("8","3","6","2","5","9","1") = "8"
    & skf18("8","3","6","2","5","10","1") = "9"
    & skf18("8","3","6","2","6","1","1") = "7"
    & skf18("8","3","6","2","6","2","1") = "7"
    & skf18("8","3","6","2","6","3","1") = "7"
    & skf18("8","3","6","2","6","4","1") = "7"
    & skf18("8","3","6","2","6","5","1") = "7"
    & skf18("8","3","6","2","6","6","1") = "7"
    & skf18("8","3","6","2","6","7","1") = "7"
    & skf18("8","3","6","2","6","8","1") = "7"
    & skf18("8","3","6","2","6","9","1") = "8"
    & skf18("8","3","6","2","6","10","1") = "9"
    & skf18("8","3","6","2","7","1","1") = "7"
    & skf18("8","3","6","2","7","2","1") = "7"
    & skf18("8","3","6","2","7","3","1") = "7"
    & skf18("8","3","6","2","7","4","1") = "7"
    & skf18("8","3","6","2","7","5","1") = "7"
    & skf18("8","3","6","2","7","6","1") = "7"
    & skf18("8","3","6","2","7","7","1") = "7"
    & skf18("8","3","6","2","7","8","1") = "7"
    & skf18("8","3","6","2","7","9","1") = "8"
    & skf18("8","3","6","2","7","10","1") = "9"
    & skf18("8","3","6","2","8","1","1") = "7"
    & skf18("8","3","6","2","8","2","1") = "7"
    & skf18("8","3","6","2","8","3","1") = "7"
    & skf18("8","3","6","2","8","4","1") = "7"
    & skf18("8","3","6","2","8","5","1") = "7"
    & skf18("8","3","6","2","8","6","1") = "7"
    & skf18("8","3","6","2","8","7","1") = "7"
    & skf18("8","3","6","2","8","8","1") = "7"
    & skf18("8","3","6","2","8","9","1") = "8"
    & skf18("8","3","6","2","8","10","1") = "9"
    & skf18("8","3","6","2","9","1","1") = "8"
    & skf18("8","3","6","2","9","2","1") = "8"
    & skf18("8","3","6","2","9","3","1") = "8"
    & skf18("8","3","6","2","9","4","1") = "8"
    & skf18("8","3","6","2","9","5","1") = "8"
    & skf18("8","3","6","2","9","6","1") = "8"
    & skf18("8","3","6","2","9","7","1") = "8"
    & skf18("8","3","6","2","9","8","1") = "8"
    & skf18("8","3","6","2","9","9","1") = "8"
    & skf18("8","3","6","2","9","10","1") = "9"
    & skf18("8","3","6","2","10","1","1") = "9"
    & skf18("8","3","6","2","10","2","1") = "9"
    & skf18("8","3","6","2","10","3","1") = "9"
    & skf18("8","3","6","2","10","4","1") = "9"
    & skf18("8","3","6","2","10","5","1") = "9"
    & skf18("8","3","6","2","10","6","1") = "9"
    & skf18("8","3","6","2","10","7","1") = "9"
    & skf18("8","3","6","2","10","8","1") = "9"
    & skf18("8","3","6","2","10","9","1") = "9"
    & skf18("8","3","6","2","10","10","1") = "9"
    & skf18("8","3","6","3","1","1","1") = "7"
    & skf18("8","3","6","3","1","2","1") = "7"
    & skf18("8","3","6","3","1","3","1") = "7"
    & skf18("8","3","6","3","1","4","1") = "7"
    & skf18("8","3","6","3","1","5","1") = "7"
    & skf18("8","3","6","3","1","6","1") = "7"
    & skf18("8","3","6","3","1","7","1") = "7"
    & skf18("8","3","6","3","1","8","1") = "7"
    & skf18("8","3","6","3","1","9","1") = "8"
    & skf18("8","3","6","3","1","10","1") = "9"
    & skf18("8","3","6","3","2","1","1") = "7"
    & skf18("8","3","6","3","2","2","1") = "7"
    & skf18("8","3","6","3","2","3","1") = "7"
    & skf18("8","3","6","3","2","4","1") = "7"
    & skf18("8","3","6","3","2","5","1") = "7"
    & skf18("8","3","6","3","2","6","1") = "7"
    & skf18("8","3","6","3","2","7","1") = "7"
    & skf18("8","3","6","3","2","8","1") = "7"
    & skf18("8","3","6","3","2","9","1") = "8"
    & skf18("8","3","6","3","2","10","1") = "9"
    & skf18("8","3","6","3","3","1","1") = "7"
    & skf18("8","3","6","3","3","2","1") = "7"
    & skf18("8","3","6","3","3","3","1") = "7"
    & skf18("8","3","6","3","3","4","1") = "7"
    & skf18("8","3","6","3","3","5","1") = "7"
    & skf18("8","3","6","3","3","6","1") = "7"
    & skf18("8","3","6","3","3","7","1") = "7"
    & skf18("8","3","6","3","3","8","1") = "7"
    & skf18("8","3","6","3","3","9","1") = "8"
    & skf18("8","3","6","3","3","10","1") = "9"
    & skf18("8","3","6","3","4","1","1") = "7"
    & skf18("8","3","6","3","4","2","1") = "7"
    & skf18("8","3","6","3","4","3","1") = "7"
    & skf18("8","3","6","3","4","4","1") = "7"
    & skf18("8","3","6","3","4","5","1") = "7"
    & skf18("8","3","6","3","4","6","1") = "7"
    & skf18("8","3","6","3","4","7","1") = "7"
    & skf18("8","3","6","3","4","8","1") = "7"
    & skf18("8","3","6","3","4","9","1") = "8"
    & skf18("8","3","6","3","4","10","1") = "9"
    & skf18("8","3","6","3","5","1","1") = "7"
    & skf18("8","3","6","3","5","2","1") = "7"
    & skf18("8","3","6","3","5","3","1") = "7"
    & skf18("8","3","6","3","5","4","1") = "7"
    & skf18("8","3","6","3","5","5","1") = "7"
    & skf18("8","3","6","3","5","6","1") = "7"
    & skf18("8","3","6","3","5","7","1") = "7"
    & skf18("8","3","6","3","5","8","1") = "7"
    & skf18("8","3","6","3","5","9","1") = "8"
    & skf18("8","3","6","3","5","10","1") = "9"
    & skf18("8","3","6","3","6","1","1") = "7"
    & skf18("8","3","6","3","6","2","1") = "7"
    & skf18("8","3","6","3","6","3","1") = "7"
    & skf18("8","3","6","3","6","4","1") = "7"
    & skf18("8","3","6","3","6","5","1") = "7"
    & skf18("8","3","6","3","6","6","1") = "7"
    & skf18("8","3","6","3","6","7","1") = "7"
    & skf18("8","3","6","3","6","8","1") = "7"
    & skf18("8","3","6","3","6","9","1") = "8"
    & skf18("8","3","6","3","6","10","1") = "9"
    & skf18("8","3","6","3","7","1","1") = "7"
    & skf18("8","3","6","3","7","2","1") = "7"
    & skf18("8","3","6","3","7","3","1") = "7"
    & skf18("8","3","6","3","7","4","1") = "7"
    & skf18("8","3","6","3","7","5","1") = "7"
    & skf18("8","3","6","3","7","6","1") = "7"
    & skf18("8","3","6","3","7","7","1") = "7"
    & skf18("8","3","6","3","7","8","1") = "7"
    & skf18("8","3","6","3","7","9","1") = "8"
    & skf18("8","3","6","3","7","10","1") = "9"
    & skf18("8","3","6","3","8","1","1") = "7"
    & skf18("8","3","6","3","8","2","1") = "7"
    & skf18("8","3","6","3","8","3","1") = "7"
    & skf18("8","3","6","3","8","4","1") = "7"
    & skf18("8","3","6","3","8","5","1") = "7"
    & skf18("8","3","6","3","8","6","1") = "7"
    & skf18("8","3","6","3","8","7","1") = "7"
    & skf18("8","3","6","3","8","8","1") = "7"
    & skf18("8","3","6","3","8","9","1") = "8"
    & skf18("8","3","6","3","8","10","1") = "9"
    & skf18("8","3","6","3","9","1","1") = "8"
    & skf18("8","3","6","3","9","2","1") = "8"
    & skf18("8","3","6","3","9","3","1") = "8"
    & skf18("8","3","6","3","9","4","1") = "8"
    & skf18("8","3","6","3","9","5","1") = "8"
    & skf18("8","3","6","3","9","6","1") = "8"
    & skf18("8","3","6","3","9","7","1") = "8"
    & skf18("8","3","6","3","9","8","1") = "8"
    & skf18("8","3","6","3","9","9","1") = "8"
    & skf18("8","3","6","3","9","10","1") = "9"
    & skf18("8","3","6","3","10","1","1") = "9"
    & skf18("8","3","6","3","10","2","1") = "9"
    & skf18("8","3","6","3","10","3","1") = "9"
    & skf18("8","3","6","3","10","4","1") = "9"
    & skf18("8","3","6","3","10","5","1") = "9"
    & skf18("8","3","6","3","10","6","1") = "9"
    & skf18("8","3","6","3","10","7","1") = "9"
    & skf18("8","3","6","3","10","8","1") = "9"
    & skf18("8","3","6","3","10","9","1") = "9"
    & skf18("8","3","6","3","10","10","1") = "9"
    & skf18("8","3","6","4","1","1","1") = "7"
    & skf18("8","3","6","4","1","2","1") = "7"
    & skf18("8","3","6","4","1","3","1") = "7"
    & skf18("8","3","6","4","1","4","1") = "7"
    & skf18("8","3","6","4","1","5","1") = "7"
    & skf18("8","3","6","4","1","6","1") = "7"
    & skf18("8","3","6","4","1","7","1") = "7"
    & skf18("8","3","6","4","1","8","1") = "7"
    & skf18("8","3","6","4","1","9","1") = "8"
    & skf18("8","3","6","4","1","10","1") = "9"
    & skf18("8","3","6","4","2","1","1") = "7"
    & skf18("8","3","6","4","2","2","1") = "7"
    & skf18("8","3","6","4","2","3","1") = "7"
    & skf18("8","3","6","4","2","4","1") = "7"
    & skf18("8","3","6","4","2","5","1") = "7"
    & skf18("8","3","6","4","2","6","1") = "7"
    & skf18("8","3","6","4","2","7","1") = "7"
    & skf18("8","3","6","4","2","8","1") = "7"
    & skf18("8","3","6","4","2","9","1") = "8"
    & skf18("8","3","6","4","2","10","1") = "9"
    & skf18("8","3","6","4","3","1","1") = "7"
    & skf18("8","3","6","4","3","2","1") = "7"
    & skf18("8","3","6","4","3","3","1") = "7"
    & skf18("8","3","6","4","3","4","1") = "7"
    & skf18("8","3","6","4","3","5","1") = "7"
    & skf18("8","3","6","4","3","6","1") = "7"
    & skf18("8","3","6","4","3","7","1") = "7"
    & skf18("8","3","6","4","3","8","1") = "7"
    & skf18("8","3","6","4","3","9","1") = "8"
    & skf18("8","3","6","4","3","10","1") = "9"
    & skf18("8","3","6","4","4","1","1") = "7"
    & skf18("8","3","6","4","4","2","1") = "7"
    & skf18("8","3","6","4","4","3","1") = "7"
    & skf18("8","3","6","4","4","4","1") = "7"
    & skf18("8","3","6","4","4","5","1") = "7"
    & skf18("8","3","6","4","4","6","1") = "7"
    & skf18("8","3","6","4","4","7","1") = "7"
    & skf18("8","3","6","4","4","8","1") = "7"
    & skf18("8","3","6","4","4","9","1") = "8"
    & skf18("8","3","6","4","4","10","1") = "9"
    & skf18("8","3","6","4","5","1","1") = "7"
    & skf18("8","3","6","4","5","2","1") = "7"
    & skf18("8","3","6","4","5","3","1") = "7"
    & skf18("8","3","6","4","5","4","1") = "7"
    & skf18("8","3","6","4","5","5","1") = "7"
    & skf18("8","3","6","4","5","6","1") = "7"
    & skf18("8","3","6","4","5","7","1") = "7"
    & skf18("8","3","6","4","5","8","1") = "7"
    & skf18("8","3","6","4","5","9","1") = "8"
    & skf18("8","3","6","4","5","10","1") = "9"
    & skf18("8","3","6","4","6","1","1") = "7"
    & skf18("8","3","6","4","6","2","1") = "7"
    & skf18("8","3","6","4","6","3","1") = "7"
    & skf18("8","3","6","4","6","4","1") = "7"
    & skf18("8","3","6","4","6","5","1") = "7"
    & skf18("8","3","6","4","6","6","1") = "7"
    & skf18("8","3","6","4","6","7","1") = "7"
    & skf18("8","3","6","4","6","8","1") = "7"
    & skf18("8","3","6","4","6","9","1") = "8"
    & skf18("8","3","6","4","6","10","1") = "9"
    & skf18("8","3","6","4","7","1","1") = "7"
    & skf18("8","3","6","4","7","2","1") = "7"
    & skf18("8","3","6","4","7","3","1") = "7"
    & skf18("8","3","6","4","7","4","1") = "7"
    & skf18("8","3","6","4","7","5","1") = "7"
    & skf18("8","3","6","4","7","6","1") = "7"
    & skf18("8","3","6","4","7","7","1") = "7"
    & skf18("8","3","6","4","7","8","1") = "7"
    & skf18("8","3","6","4","7","9","1") = "8"
    & skf18("8","3","6","4","7","10","1") = "9"
    & skf18("8","3","6","4","8","1","1") = "7"
    & skf18("8","3","6","4","8","2","1") = "7"
    & skf18("8","3","6","4","8","3","1") = "7"
    & skf18("8","3","6","4","8","4","1") = "7"
    & skf18("8","3","6","4","8","5","1") = "7"
    & skf18("8","3","6","4","8","6","1") = "7"
    & skf18("8","3","6","4","8","7","1") = "7"
    & skf18("8","3","6","4","8","8","1") = "7"
    & skf18("8","3","6","4","8","9","1") = "8"
    & skf18("8","3","6","4","8","10","1") = "9"
    & skf18("8","3","6","4","9","1","1") = "8"
    & skf18("8","3","6","4","9","2","1") = "8"
    & skf18("8","3","6","4","9","3","1") = "8"
    & skf18("8","3","6","4","9","4","1") = "8"
    & skf18("8","3","6","4","9","5","1") = "8"
    & skf18("8","3","6","4","9","6","1") = "8"
    & skf18("8","3","6","4","9","7","1") = "8"
    & skf18("8","3","6","4","9","8","1") = "8"
    & skf18("8","3","6","4","9","9","1") = "8"
    & skf18("8","3","6","4","9","10","1") = "9"
    & skf18("8","3","6","4","10","1","1") = "9"
    & skf18("8","3","6","4","10","2","1") = "9"
    & skf18("8","3","6","4","10","3","1") = "9"
    & skf18("8","3","6","4","10","4","1") = "9"
    & skf18("8","3","6","4","10","5","1") = "9"
    & skf18("8","3","6","4","10","6","1") = "9"
    & skf18("8","3","6","4","10","7","1") = "9"
    & skf18("8","3","6","4","10","8","1") = "9"
    & skf18("8","3","6","4","10","9","1") = "9"
    & skf18("8","3","6","4","10","10","1") = "9"
    & skf18("8","3","6","5","1","1","1") = "7"
    & skf18("8","3","6","5","1","2","1") = "7"
    & skf18("8","3","6","5","1","3","1") = "7"
    & skf18("8","3","6","5","1","4","1") = "7"
    & skf18("8","3","6","5","1","5","1") = "7"
    & skf18("8","3","6","5","1","6","1") = "7"
    & skf18("8","3","6","5","1","7","1") = "7"
    & skf18("8","3","6","5","1","8","1") = "7"
    & skf18("8","3","6","5","1","9","1") = "8"
    & skf18("8","3","6","5","1","10","1") = "9"
    & skf18("8","3","6","5","2","1","1") = "7"
    & skf18("8","3","6","5","2","2","1") = "7"
    & skf18("8","3","6","5","2","3","1") = "7"
    & skf18("8","3","6","5","2","4","1") = "7"
    & skf18("8","3","6","5","2","5","1") = "7"
    & skf18("8","3","6","5","2","6","1") = "7"
    & skf18("8","3","6","5","2","7","1") = "7"
    & skf18("8","3","6","5","2","8","1") = "7"
    & skf18("8","3","6","5","2","9","1") = "8"
    & skf18("8","3","6","5","2","10","1") = "9"
    & skf18("8","3","6","5","3","1","1") = "7"
    & skf18("8","3","6","5","3","2","1") = "7"
    & skf18("8","3","6","5","3","3","1") = "7"
    & skf18("8","3","6","5","3","4","1") = "7"
    & skf18("8","3","6","5","3","5","1") = "7"
    & skf18("8","3","6","5","3","6","1") = "7"
    & skf18("8","3","6","5","3","7","1") = "7"
    & skf18("8","3","6","5","3","8","1") = "7"
    & skf18("8","3","6","5","3","9","1") = "8"
    & skf18("8","3","6","5","3","10","1") = "9"
    & skf18("8","3","6","5","4","1","1") = "7"
    & skf18("8","3","6","5","4","2","1") = "7"
    & skf18("8","3","6","5","4","3","1") = "7"
    & skf18("8","3","6","5","4","4","1") = "7"
    & skf18("8","3","6","5","4","5","1") = "7"
    & skf18("8","3","6","5","4","6","1") = "7"
    & skf18("8","3","6","5","4","7","1") = "7"
    & skf18("8","3","6","5","4","8","1") = "7"
    & skf18("8","3","6","5","4","9","1") = "8"
    & skf18("8","3","6","5","4","10","1") = "9"
    & skf18("8","3","6","5","5","1","1") = "7"
    & skf18("8","3","6","5","5","2","1") = "7"
    & skf18("8","3","6","5","5","3","1") = "7"
    & skf18("8","3","6","5","5","4","1") = "7"
    & skf18("8","3","6","5","5","5","1") = "7"
    & skf18("8","3","6","5","5","6","1") = "7"
    & skf18("8","3","6","5","5","7","1") = "7"
    & skf18("8","3","6","5","5","8","1") = "7"
    & skf18("8","3","6","5","5","9","1") = "8"
    & skf18("8","3","6","5","5","10","1") = "9"
    & skf18("8","3","6","5","6","1","1") = "7"
    & skf18("8","3","6","5","6","2","1") = "7"
    & skf18("8","3","6","5","6","3","1") = "7"
    & skf18("8","3","6","5","6","4","1") = "7"
    & skf18("8","3","6","5","6","5","1") = "7"
    & skf18("8","3","6","5","6","6","1") = "7"
    & skf18("8","3","6","5","6","7","1") = "7"
    & skf18("8","3","6","5","6","8","1") = "7"
    & skf18("8","3","6","5","6","9","1") = "8"
    & skf18("8","3","6","5","6","10","1") = "9"
    & skf18("8","3","6","5","7","1","1") = "7"
    & skf18("8","3","6","5","7","2","1") = "7"
    & skf18("8","3","6","5","7","3","1") = "7"
    & skf18("8","3","6","5","7","4","1") = "7"
    & skf18("8","3","6","5","7","5","1") = "7"
    & skf18("8","3","6","5","7","6","1") = "7"
    & skf18("8","3","6","5","7","7","1") = "7"
    & skf18("8","3","6","5","7","8","1") = "7"
    & skf18("8","3","6","5","7","9","1") = "8"
    & skf18("8","3","6","5","7","10","1") = "9"
    & skf18("8","3","6","5","8","1","1") = "7"
    & skf18("8","3","6","5","8","2","1") = "7"
    & skf18("8","3","6","5","8","3","1") = "7"
    & skf18("8","3","6","5","8","4","1") = "7"
    & skf18("8","3","6","5","8","5","1") = "7"
    & skf18("8","3","6","5","8","6","1") = "7"
    & skf18("8","3","6","5","8","7","1") = "7"
    & skf18("8","3","6","5","8","8","1") = "7"
    & skf18("8","3","6","5","8","9","1") = "8"
    & skf18("8","3","6","5","8","10","1") = "9"
    & skf18("8","3","6","5","9","1","1") = "8"
    & skf18("8","3","6","5","9","2","1") = "8"
    & skf18("8","3","6","5","9","3","1") = "8"
    & skf18("8","3","6","5","9","4","1") = "8"
    & skf18("8","3","6","5","9","5","1") = "8"
    & skf18("8","3","6","5","9","6","1") = "8"
    & skf18("8","3","6","5","9","7","1") = "8"
    & skf18("8","3","6","5","9","8","1") = "8"
    & skf18("8","3","6","5","9","9","1") = "8"
    & skf18("8","3","6","5","9","10","1") = "9"
    & skf18("8","3","6","5","10","1","1") = "9"
    & skf18("8","3","6","5","10","2","1") = "9"
    & skf18("8","3","6","5","10","3","1") = "9"
    & skf18("8","3","6","5","10","4","1") = "9"
    & skf18("8","3","6","5","10","5","1") = "9"
    & skf18("8","3","6","5","10","6","1") = "9"
    & skf18("8","3","6","5","10","7","1") = "9"
    & skf18("8","3","6","5","10","8","1") = "9"
    & skf18("8","3","6","5","10","9","1") = "9"
    & skf18("8","3","6","5","10","10","1") = "9"
    & skf18("8","3","6","6","1","1","1") = "7"
    & skf18("8","3","6","6","1","2","1") = "7"
    & skf18("8","3","6","6","1","3","1") = "7"
    & skf18("8","3","6","6","1","4","1") = "7"
    & skf18("8","3","6","6","1","5","1") = "7"
    & skf18("8","3","6","6","1","6","1") = "7"
    & skf18("8","3","6","6","1","7","1") = "7"
    & skf18("8","3","6","6","1","8","1") = "7"
    & skf18("8","3","6","6","1","9","1") = "8"
    & skf18("8","3","6","6","1","10","1") = "9"
    & skf18("8","3","6","6","2","1","1") = "7"
    & skf18("8","3","6","6","2","2","1") = "7"
    & skf18("8","3","6","6","2","3","1") = "7"
    & skf18("8","3","6","6","2","4","1") = "7"
    & skf18("8","3","6","6","2","5","1") = "7"
    & skf18("8","3","6","6","2","6","1") = "7"
    & skf18("8","3","6","6","2","7","1") = "7"
    & skf18("8","3","6","6","2","8","1") = "7"
    & skf18("8","3","6","6","2","9","1") = "8"
    & skf18("8","3","6","6","2","10","1") = "9"
    & skf18("8","3","6","6","3","1","1") = "7"
    & skf18("8","3","6","6","3","2","1") = "7"
    & skf18("8","3","6","6","3","3","1") = "7"
    & skf18("8","3","6","6","3","4","1") = "7"
    & skf18("8","3","6","6","3","5","1") = "7"
    & skf18("8","3","6","6","3","6","1") = "7"
    & skf18("8","3","6","6","3","7","1") = "7"
    & skf18("8","3","6","6","3","8","1") = "7"
    & skf18("8","3","6","6","3","9","1") = "8"
    & skf18("8","3","6","6","3","10","1") = "9"
    & skf18("8","3","6","6","4","1","1") = "7"
    & skf18("8","3","6","6","4","2","1") = "7"
    & skf18("8","3","6","6","4","3","1") = "7"
    & skf18("8","3","6","6","4","4","1") = "7"
    & skf18("8","3","6","6","4","5","1") = "7"
    & skf18("8","3","6","6","4","6","1") = "7"
    & skf18("8","3","6","6","4","7","1") = "7"
    & skf18("8","3","6","6","4","8","1") = "7"
    & skf18("8","3","6","6","4","9","1") = "8"
    & skf18("8","3","6","6","4","10","1") = "9"
    & skf18("8","3","6","6","5","1","1") = "7"
    & skf18("8","3","6","6","5","2","1") = "7"
    & skf18("8","3","6","6","5","3","1") = "7"
    & skf18("8","3","6","6","5","4","1") = "7"
    & skf18("8","3","6","6","5","5","1") = "7"
    & skf18("8","3","6","6","5","6","1") = "7"
    & skf18("8","3","6","6","5","7","1") = "7"
    & skf18("8","3","6","6","5","8","1") = "7"
    & skf18("8","3","6","6","5","9","1") = "8"
    & skf18("8","3","6","6","5","10","1") = "9"
    & skf18("8","3","6","6","6","1","1") = "7"
    & skf18("8","3","6","6","6","2","1") = "7"
    & skf18("8","3","6","6","6","3","1") = "7"
    & skf18("8","3","6","6","6","4","1") = "7"
    & skf18("8","3","6","6","6","5","1") = "7"
    & skf18("8","3","6","6","6","6","1") = "7"
    & skf18("8","3","6","6","6","7","1") = "7"
    & skf18("8","3","6","6","6","8","1") = "7"
    & skf18("8","3","6","6","6","9","1") = "8"
    & skf18("8","3","6","6","6","10","1") = "9"
    & skf18("8","3","6","6","7","1","1") = "7"
    & skf18("8","3","6","6","7","2","1") = "7"
    & skf18("8","3","6","6","7","3","1") = "7"
    & skf18("8","3","6","6","7","4","1") = "7"
    & skf18("8","3","6","6","7","5","1") = "7"
    & skf18("8","3","6","6","7","6","1") = "7"
    & skf18("8","3","6","6","7","7","1") = "7"
    & skf18("8","3","6","6","7","8","1") = "7"
    & skf18("8","3","6","6","7","9","1") = "8"
    & skf18("8","3","6","6","7","10","1") = "9"
    & skf18("8","3","6","6","8","1","1") = "7"
    & skf18("8","3","6","6","8","2","1") = "7"
    & skf18("8","3","6","6","8","3","1") = "7"
    & skf18("8","3","6","6","8","4","1") = "7"
    & skf18("8","3","6","6","8","5","1") = "7"
    & skf18("8","3","6","6","8","6","1") = "7"
    & skf18("8","3","6","6","8","7","1") = "7"
    & skf18("8","3","6","6","8","8","1") = "7"
    & skf18("8","3","6","6","8","9","1") = "8"
    & skf18("8","3","6","6","8","10","1") = "9"
    & skf18("8","3","6","6","9","1","1") = "8"
    & skf18("8","3","6","6","9","2","1") = "8"
    & skf18("8","3","6","6","9","3","1") = "8"
    & skf18("8","3","6","6","9","4","1") = "8"
    & skf18("8","3","6","6","9","5","1") = "8"
    & skf18("8","3","6","6","9","6","1") = "8"
    & skf18("8","3","6","6","9","7","1") = "8"
    & skf18("8","3","6","6","9","8","1") = "8"
    & skf18("8","3","6","6","9","9","1") = "8"
    & skf18("8","3","6","6","9","10","1") = "9"
    & skf18("8","3","6","6","10","1","1") = "9"
    & skf18("8","3","6","6","10","2","1") = "9"
    & skf18("8","3","6","6","10","3","1") = "9"
    & skf18("8","3","6","6","10","4","1") = "9"
    & skf18("8","3","6","6","10","5","1") = "9"
    & skf18("8","3","6","6","10","6","1") = "9"
    & skf18("8","3","6","6","10","7","1") = "9"
    & skf18("8","3","6","6","10","8","1") = "9"
    & skf18("8","3","6","6","10","9","1") = "9"
    & skf18("8","3","6","6","10","10","1") = "9"
    & skf18("8","3","6","7","1","1","1") = "7"
    & skf18("8","3","6","7","1","2","1") = "7"
    & skf18("8","3","6","7","1","3","1") = "7"
    & skf18("8","3","6","7","1","4","1") = "7"
    & skf18("8","3","6","7","1","5","1") = "7"
    & skf18("8","3","6","7","1","6","1") = "7"
    & skf18("8","3","6","7","1","7","1") = "7"
    & skf18("8","3","6","7","1","8","1") = "7"
    & skf18("8","3","6","7","1","9","1") = "8"
    & skf18("8","3","6","7","1","10","1") = "9"
    & skf18("8","3","6","7","2","1","1") = "7"
    & skf18("8","3","6","7","2","2","1") = "7"
    & skf18("8","3","6","7","2","3","1") = "7"
    & skf18("8","3","6","7","2","4","1") = "7"
    & skf18("8","3","6","7","2","5","1") = "7"
    & skf18("8","3","6","7","2","6","1") = "7"
    & skf18("8","3","6","7","2","7","1") = "7"
    & skf18("8","3","6","7","2","8","1") = "7"
    & skf18("8","3","6","7","2","9","1") = "8"
    & skf18("8","3","6","7","2","10","1") = "9"
    & skf18("8","3","6","7","3","1","1") = "7"
    & skf18("8","3","6","7","3","2","1") = "7"
    & skf18("8","3","6","7","3","3","1") = "7"
    & skf18("8","3","6","7","3","4","1") = "7"
    & skf18("8","3","6","7","3","5","1") = "7"
    & skf18("8","3","6","7","3","6","1") = "7"
    & skf18("8","3","6","7","3","7","1") = "7"
    & skf18("8","3","6","7","3","8","1") = "7"
    & skf18("8","3","6","7","3","9","1") = "8"
    & skf18("8","3","6","7","3","10","1") = "9"
    & skf18("8","3","6","7","4","1","1") = "7"
    & skf18("8","3","6","7","4","2","1") = "7"
    & skf18("8","3","6","7","4","3","1") = "7"
    & skf18("8","3","6","7","4","4","1") = "7"
    & skf18("8","3","6","7","4","5","1") = "7"
    & skf18("8","3","6","7","4","6","1") = "7"
    & skf18("8","3","6","7","4","7","1") = "7"
    & skf18("8","3","6","7","4","8","1") = "7"
    & skf18("8","3","6","7","4","9","1") = "8"
    & skf18("8","3","6","7","4","10","1") = "9"
    & skf18("8","3","6","7","5","1","1") = "7"
    & skf18("8","3","6","7","5","2","1") = "7"
    & skf18("8","3","6","7","5","3","1") = "7"
    & skf18("8","3","6","7","5","4","1") = "7"
    & skf18("8","3","6","7","5","5","1") = "7"
    & skf18("8","3","6","7","5","6","1") = "7"
    & skf18("8","3","6","7","5","7","1") = "7"
    & skf18("8","3","6","7","5","8","1") = "7"
    & skf18("8","3","6","7","5","9","1") = "8"
    & skf18("8","3","6","7","5","10","1") = "9"
    & skf18("8","3","6","7","6","1","1") = "7"
    & skf18("8","3","6","7","6","2","1") = "7"
    & skf18("8","3","6","7","6","3","1") = "7"
    & skf18("8","3","6","7","6","4","1") = "7"
    & skf18("8","3","6","7","6","5","1") = "7"
    & skf18("8","3","6","7","6","6","1") = "7"
    & skf18("8","3","6","7","6","7","1") = "7"
    & skf18("8","3","6","7","6","8","1") = "7"
    & skf18("8","3","6","7","6","9","1") = "8"
    & skf18("8","3","6","7","6","10","1") = "9"
    & skf18("8","3","6","7","7","1","1") = "7"
    & skf18("8","3","6","7","7","2","1") = "7"
    & skf18("8","3","6","7","7","3","1") = "7"
    & skf18("8","3","6","7","7","4","1") = "7"
    & skf18("8","3","6","7","7","5","1") = "7"
    & skf18("8","3","6","7","7","6","1") = "7"
    & skf18("8","3","6","7","7","7","1") = "7"
    & skf18("8","3","6","7","7","8","1") = "7"
    & skf18("8","3","6","7","7","9","1") = "8"
    & skf18("8","3","6","7","7","10","1") = "9"
    & skf18("8","3","6","7","8","1","1") = "7"
    & skf18("8","3","6","7","8","2","1") = "7"
    & skf18("8","3","6","7","8","3","1") = "7"
    & skf18("8","3","6","7","8","4","1") = "7"
    & skf18("8","3","6","7","8","5","1") = "7"
    & skf18("8","3","6","7","8","6","1") = "7"
    & skf18("8","3","6","7","8","7","1") = "7"
    & skf18("8","3","6","7","8","8","1") = "7"
    & skf18("8","3","6","7","8","9","1") = "8"
    & skf18("8","3","6","7","8","10","1") = "9"
    & skf18("8","3","6","7","9","1","1") = "8"
    & skf18("8","3","6","7","9","2","1") = "8"
    & skf18("8","3","6","7","9","3","1") = "8"
    & skf18("8","3","6","7","9","4","1") = "8"
    & skf18("8","3","6","7","9","5","1") = "8"
    & skf18("8","3","6","7","9","6","1") = "8"
    & skf18("8","3","6","7","9","7","1") = "8"
    & skf18("8","3","6","7","9","8","1") = "8"
    & skf18("8","3","6","7","9","9","1") = "8"
    & skf18("8","3","6","7","9","10","1") = "9"
    & skf18("8","3","6","7","10","1","1") = "9"
    & skf18("8","3","6","7","10","2","1") = "9"
    & skf18("8","3","6","7","10","3","1") = "9"
    & skf18("8","3","6","7","10","4","1") = "9"
    & skf18("8","3","6","7","10","5","1") = "9"
    & skf18("8","3","6","7","10","6","1") = "9"
    & skf18("8","3","6","7","10","7","1") = "9"
    & skf18("8","3","6","7","10","8","1") = "9"
    & skf18("8","3","6","7","10","9","1") = "9"
    & skf18("8","3","6","7","10","10","1") = "9"
    & skf18("8","3","6","8","1","1","1") = "7"
    & skf18("8","3","6","8","1","2","1") = "7"
    & skf18("8","3","6","8","1","3","1") = "7"
    & skf18("8","3","6","8","1","4","1") = "7"
    & skf18("8","3","6","8","1","5","1") = "7"
    & skf18("8","3","6","8","1","6","1") = "7"
    & skf18("8","3","6","8","1","7","1") = "7"
    & skf18("8","3","6","8","1","8","1") = "7"
    & skf18("8","3","6","8","1","9","1") = "8"
    & skf18("8","3","6","8","1","10","1") = "9"
    & skf18("8","3","6","8","2","1","1") = "7"
    & skf18("8","3","6","8","2","2","1") = "7"
    & skf18("8","3","6","8","2","3","1") = "7"
    & skf18("8","3","6","8","2","4","1") = "7"
    & skf18("8","3","6","8","2","5","1") = "7"
    & skf18("8","3","6","8","2","6","1") = "7"
    & skf18("8","3","6","8","2","7","1") = "7"
    & skf18("8","3","6","8","2","8","1") = "7"
    & skf18("8","3","6","8","2","9","1") = "8"
    & skf18("8","3","6","8","2","10","1") = "9"
    & skf18("8","3","6","8","3","1","1") = "7"
    & skf18("8","3","6","8","3","2","1") = "7"
    & skf18("8","3","6","8","3","3","1") = "7"
    & skf18("8","3","6","8","3","4","1") = "7"
    & skf18("8","3","6","8","3","5","1") = "7"
    & skf18("8","3","6","8","3","6","1") = "7"
    & skf18("8","3","6","8","3","7","1") = "7"
    & skf18("8","3","6","8","3","8","1") = "7"
    & skf18("8","3","6","8","3","9","1") = "8"
    & skf18("8","3","6","8","3","10","1") = "9"
    & skf18("8","3","6","8","4","1","1") = "7"
    & skf18("8","3","6","8","4","2","1") = "7"
    & skf18("8","3","6","8","4","3","1") = "7"
    & skf18("8","3","6","8","4","4","1") = "7"
    & skf18("8","3","6","8","4","5","1") = "7"
    & skf18("8","3","6","8","4","6","1") = "7"
    & skf18("8","3","6","8","4","7","1") = "7"
    & skf18("8","3","6","8","4","8","1") = "7"
    & skf18("8","3","6","8","4","9","1") = "8"
    & skf18("8","3","6","8","4","10","1") = "9"
    & skf18("8","3","6","8","5","1","1") = "7"
    & skf18("8","3","6","8","5","2","1") = "7"
    & skf18("8","3","6","8","5","3","1") = "7"
    & skf18("8","3","6","8","5","4","1") = "7"
    & skf18("8","3","6","8","5","5","1") = "7"
    & skf18("8","3","6","8","5","6","1") = "7"
    & skf18("8","3","6","8","5","7","1") = "7"
    & skf18("8","3","6","8","5","8","1") = "7"
    & skf18("8","3","6","8","5","9","1") = "8"
    & skf18("8","3","6","8","5","10","1") = "9"
    & skf18("8","3","6","8","6","1","1") = "7"
    & skf18("8","3","6","8","6","2","1") = "7"
    & skf18("8","3","6","8","6","3","1") = "7"
    & skf18("8","3","6","8","6","4","1") = "7"
    & skf18("8","3","6","8","6","5","1") = "7"
    & skf18("8","3","6","8","6","6","1") = "7"
    & skf18("8","3","6","8","6","7","1") = "7"
    & skf18("8","3","6","8","6","8","1") = "7"
    & skf18("8","3","6","8","6","9","1") = "8"
    & skf18("8","3","6","8","6","10","1") = "9"
    & skf18("8","3","6","8","7","1","1") = "7"
    & skf18("8","3","6","8","7","2","1") = "7"
    & skf18("8","3","6","8","7","3","1") = "7"
    & skf18("8","3","6","8","7","4","1") = "7"
    & skf18("8","3","6","8","7","5","1") = "7"
    & skf18("8","3","6","8","7","6","1") = "7"
    & skf18("8","3","6","8","7","7","1") = "7"
    & skf18("8","3","6","8","7","8","1") = "7"
    & skf18("8","3","6","8","7","9","1") = "8"
    & skf18("8","3","6","8","7","10","1") = "9"
    & skf18("8","3","6","8","8","1","1") = "7"
    & skf18("8","3","6","8","8","2","1") = "7"
    & skf18("8","3","6","8","8","3","1") = "7"
    & skf18("8","3","6","8","8","4","1") = "7"
    & skf18("8","3","6","8","8","5","1") = "7"
    & skf18("8","3","6","8","8","6","1") = "7"
    & skf18("8","3","6","8","8","7","1") = "7"
    & skf18("8","3","6","8","8","8","1") = "7"
    & skf18("8","3","6","8","8","9","1") = "8"
    & skf18("8","3","6","8","8","10","1") = "9"
    & skf18("8","3","6","8","9","1","1") = "8"
    & skf18("8","3","6","8","9","2","1") = "8"
    & skf18("8","3","6","8","9","3","1") = "8"
    & skf18("8","3","6","8","9","4","1") = "8"
    & skf18("8","3","6","8","9","5","1") = "8"
    & skf18("8","3","6","8","9","6","1") = "8"
    & skf18("8","3","6","8","9","7","1") = "8"
    & skf18("8","3","6","8","9","8","1") = "8"
    & skf18("8","3","6","8","9","9","1") = "8"
    & skf18("8","3","6","8","9","10","1") = "9"
    & skf18("8","3","6","8","10","1","1") = "9"
    & skf18("8","3","6","8","10","2","1") = "9"
    & skf18("8","3","6","8","10","3","1") = "9"
    & skf18("8","3","6","8","10","4","1") = "9"
    & skf18("8","3","6","8","10","5","1") = "9"
    & skf18("8","3","6","8","10","6","1") = "9"
    & skf18("8","3","6","8","10","7","1") = "9"
    & skf18("8","3","6","8","10","8","1") = "9"
    & skf18("8","3","6","8","10","9","1") = "9"
    & skf18("8","3","6","8","10","10","1") = "9"
    & skf18("8","3","6","9","1","1","1") = "8"
    & skf18("8","3","6","9","1","2","1") = "8"
    & skf18("8","3","6","9","1","3","1") = "8"
    & skf18("8","3","6","9","1","4","1") = "8"
    & skf18("8","3","6","9","1","5","1") = "8"
    & skf18("8","3","6","9","1","6","1") = "8"
    & skf18("8","3","6","9","1","7","1") = "8"
    & skf18("8","3","6","9","1","8","1") = "8"
    & skf18("8","3","6","9","1","9","1") = "8"
    & skf18("8","3","6","9","1","10","1") = "9"
    & skf18("8","3","6","9","2","1","1") = "8"
    & skf18("8","3","6","9","2","2","1") = "8"
    & skf18("8","3","6","9","2","3","1") = "8"
    & skf18("8","3","6","9","2","4","1") = "8"
    & skf18("8","3","6","9","2","5","1") = "8"
    & skf18("8","3","6","9","2","6","1") = "8"
    & skf18("8","3","6","9","2","7","1") = "8"
    & skf18("8","3","6","9","2","8","1") = "8"
    & skf18("8","3","6","9","2","9","1") = "8"
    & skf18("8","3","6","9","2","10","1") = "9"
    & skf18("8","3","6","9","3","1","1") = "8"
    & skf18("8","3","6","9","3","2","1") = "8"
    & skf18("8","3","6","9","3","3","1") = "8"
    & skf18("8","3","6","9","3","4","1") = "8"
    & skf18("8","3","6","9","3","5","1") = "8"
    & skf18("8","3","6","9","3","6","1") = "8"
    & skf18("8","3","6","9","3","7","1") = "8"
    & skf18("8","3","6","9","3","8","1") = "8"
    & skf18("8","3","6","9","3","9","1") = "8"
    & skf18("8","3","6","9","3","10","1") = "9"
    & skf18("8","3","6","9","4","1","1") = "8"
    & skf18("8","3","6","9","4","2","1") = "8"
    & skf18("8","3","6","9","4","3","1") = "8"
    & skf18("8","3","6","9","4","4","1") = "8"
    & skf18("8","3","6","9","4","5","1") = "8"
    & skf18("8","3","6","9","4","6","1") = "8"
    & skf18("8","3","6","9","4","7","1") = "8"
    & skf18("8","3","6","9","4","8","1") = "8"
    & skf18("8","3","6","9","4","9","1") = "8"
    & skf18("8","3","6","9","4","10","1") = "9"
    & skf18("8","3","6","9","5","1","1") = "8"
    & skf18("8","3","6","9","5","2","1") = "8"
    & skf18("8","3","6","9","5","3","1") = "8"
    & skf18("8","3","6","9","5","4","1") = "8"
    & skf18("8","3","6","9","5","5","1") = "8"
    & skf18("8","3","6","9","5","6","1") = "8"
    & skf18("8","3","6","9","5","7","1") = "8"
    & skf18("8","3","6","9","5","8","1") = "8"
    & skf18("8","3","6","9","5","9","1") = "8"
    & skf18("8","3","6","9","5","10","1") = "9"
    & skf18("8","3","6","9","6","1","1") = "8"
    & skf18("8","3","6","9","6","2","1") = "8"
    & skf18("8","3","6","9","6","3","1") = "8"
    & skf18("8","3","6","9","6","4","1") = "8"
    & skf18("8","3","6","9","6","5","1") = "8"
    & skf18("8","3","6","9","6","6","1") = "8"
    & skf18("8","3","6","9","6","7","1") = "8"
    & skf18("8","3","6","9","6","8","1") = "8"
    & skf18("8","3","6","9","6","9","1") = "8"
    & skf18("8","3","6","9","6","10","1") = "9"
    & skf18("8","3","6","9","7","1","1") = "8"
    & skf18("8","3","6","9","7","2","1") = "8"
    & skf18("8","3","6","9","7","3","1") = "8"
    & skf18("8","3","6","9","7","4","1") = "8"
    & skf18("8","3","6","9","7","5","1") = "8"
    & skf18("8","3","6","9","7","6","1") = "8"
    & skf18("8","3","6","9","7","7","1") = "8"
    & skf18("8","3","6","9","7","8","1") = "8"
    & skf18("8","3","6","9","7","9","1") = "8"
    & skf18("8","3","6","9","7","10","1") = "9"
    & skf18("8","3","6","9","8","1","1") = "8"
    & skf18("8","3","6","9","8","2","1") = "8"
    & skf18("8","3","6","9","8","3","1") = "8"
    & skf18("8","3","6","9","8","4","1") = "8"
    & skf18("8","3","6","9","8","5","1") = "8"
    & skf18("8","3","6","9","8","6","1") = "8"
    & skf18("8","3","6","9","8","7","1") = "8"
    & skf18("8","3","6","9","8","8","1") = "8"
    & skf18("8","3","6","9","8","9","1") = "8"
    & skf18("8","3","6","9","8","10","1") = "9"
    & skf18("8","3","6","9","9","1","1") = "8"
    & skf18("8","3","6","9","9","2","1") = "8"
    & skf18("8","3","6","9","9","3","1") = "8"
    & skf18("8","3","6","9","9","4","1") = "8"
    & skf18("8","3","6","9","9","5","1") = "8"
    & skf18("8","3","6","9","9","6","1") = "8"
    & skf18("8","3","6","9","9","7","1") = "8"
    & skf18("8","3","6","9","9","8","1") = "8"
    & skf18("8","3","6","9","9","9","1") = "8"
    & skf18("8","3","6","9","9","10","1") = "9"
    & skf18("8","3","6","9","10","1","1") = "9"
    & skf18("8","3","6","9","10","2","1") = "9"
    & skf18("8","3","6","9","10","3","1") = "9"
    & skf18("8","3","6","9","10","4","1") = "9"
    & skf18("8","3","6","9","10","5","1") = "9"
    & skf18("8","3","6","9","10","6","1") = "9"
    & skf18("8","3","6","9","10","7","1") = "9"
    & skf18("8","3","6","9","10","8","1") = "9"
    & skf18("8","3","6","9","10","9","1") = "9"
    & skf18("8","3","6","9","10","10","1") = "9"
    & skf18("8","3","6","10","1","1","1") = "9"
    & skf18("8","3","6","10","1","2","1") = "9"
    & skf18("8","3","6","10","1","3","1") = "9"
    & skf18("8","3","6","10","1","4","1") = "9"
    & skf18("8","3","6","10","1","5","1") = "9"
    & skf18("8","3","6","10","1","6","1") = "9"
    & skf18("8","3","6","10","1","7","1") = "9"
    & skf18("8","3","6","10","1","8","1") = "9"
    & skf18("8","3","6","10","1","9","1") = "9"
    & skf18("8","3","6","10","1","10","1") = "9"
    & skf18("8","3","6","10","2","1","1") = "9"
    & skf18("8","3","6","10","2","2","1") = "9"
    & skf18("8","3","6","10","2","3","1") = "9"
    & skf18("8","3","6","10","2","4","1") = "9"
    & skf18("8","3","6","10","2","5","1") = "9"
    & skf18("8","3","6","10","2","6","1") = "9"
    & skf18("8","3","6","10","2","7","1") = "9"
    & skf18("8","3","6","10","2","8","1") = "9"
    & skf18("8","3","6","10","2","9","1") = "9"
    & skf18("8","3","6","10","2","10","1") = "9"
    & skf18("8","3","6","10","3","1","1") = "9"
    & skf18("8","3","6","10","3","2","1") = "9"
    & skf18("8","3","6","10","3","3","1") = "9"
    & skf18("8","3","6","10","3","4","1") = "9"
    & skf18("8","3","6","10","3","5","1") = "9"
    & skf18("8","3","6","10","3","6","1") = "9"
    & skf18("8","3","6","10","3","7","1") = "9"
    & skf18("8","3","6","10","3","8","1") = "9"
    & skf18("8","3","6","10","3","9","1") = "9"
    & skf18("8","3","6","10","3","10","1") = "9"
    & skf18("8","3","6","10","4","1","1") = "9"
    & skf18("8","3","6","10","4","2","1") = "9"
    & skf18("8","3","6","10","4","3","1") = "9"
    & skf18("8","3","6","10","4","4","1") = "9"
    & skf18("8","3","6","10","4","5","1") = "9"
    & skf18("8","3","6","10","4","6","1") = "9"
    & skf18("8","3","6","10","4","7","1") = "9"
    & skf18("8","3","6","10","4","8","1") = "9"
    & skf18("8","3","6","10","4","9","1") = "9"
    & skf18("8","3","6","10","4","10","1") = "9"
    & skf18("8","3","6","10","5","1","1") = "9"
    & skf18("8","3","6","10","5","2","1") = "9"
    & skf18("8","3","6","10","5","3","1") = "9"
    & skf18("8","3","6","10","5","4","1") = "9"
    & skf18("8","3","6","10","5","5","1") = "9"
    & skf18("8","3","6","10","5","6","1") = "9"
    & skf18("8","3","6","10","5","7","1") = "9"
    & skf18("8","3","6","10","5","8","1") = "9"
    & skf18("8","3","6","10","5","9","1") = "9"
    & skf18("8","3","6","10","5","10","1") = "9"
    & skf18("8","3","6","10","6","1","1") = "9"
    & skf18("8","3","6","10","6","2","1") = "9"
    & skf18("8","3","6","10","6","3","1") = "9"
    & skf18("8","3","6","10","6","4","1") = "9"
    & skf18("8","3","6","10","6","5","1") = "9"
    & skf18("8","3","6","10","6","6","1") = "9"
    & skf18("8","3","6","10","6","7","1") = "9"
    & skf18("8","3","6","10","6","8","1") = "9"
    & skf18("8","3","6","10","6","9","1") = "9"
    & skf18("8","3","6","10","6","10","1") = "9"
    & skf18("8","3","6","10","7","1","1") = "9"
    & skf18("8","3","6","10","7","2","1") = "9"
    & skf18("8","3","6","10","7","3","1") = "9"
    & skf18("8","3","6","10","7","4","1") = "9"
    & skf18("8","3","6","10","7","5","1") = "9"
    & skf18("8","3","6","10","7","6","1") = "9"
    & skf18("8","3","6","10","7","7","1") = "9"
    & skf18("8","3","6","10","7","8","1") = "9"
    & skf18("8","3","6","10","7","9","1") = "9"
    & skf18("8","3","6","10","7","10","1") = "9"
    & skf18("8","3","6","10","8","1","1") = "9"
    & skf18("8","3","6","10","8","2","1") = "9"
    & skf18("8","3","6","10","8","3","1") = "9"
    & skf18("8","3","6","10","8","4","1") = "9"
    & skf18("8","3","6","10","8","5","1") = "9"
    & skf18("8","3","6","10","8","6","1") = "9"
    & skf18("8","3","6","10","8","7","1") = "9"
    & skf18("8","3","6","10","8","8","1") = "9"
    & skf18("8","3","6","10","8","9","1") = "9"
    & skf18("8","3","6","10","8","10","1") = "9"
    & skf18("8","3","6","10","9","1","1") = "9"
    & skf18("8","3","6","10","9","2","1") = "9"
    & skf18("8","3","6","10","9","3","1") = "9"
    & skf18("8","3","6","10","9","4","1") = "9"
    & skf18("8","3","6","10","9","5","1") = "9"
    & skf18("8","3","6","10","9","6","1") = "9"
    & skf18("8","3","6","10","9","7","1") = "9"
    & skf18("8","3","6","10","9","8","1") = "9"
    & skf18("8","3","6","10","9","9","1") = "9"
    & skf18("8","3","6","10","9","10","1") = "9"
    & skf18("8","3","6","10","10","1","1") = "9"
    & skf18("8","3","6","10","10","2","1") = "9"
    & skf18("8","3","6","10","10","3","1") = "9"
    & skf18("8","3","6","10","10","4","1") = "9"
    & skf18("8","3","6","10","10","5","1") = "9"
    & skf18("8","3","6","10","10","6","1") = "9"
    & skf18("8","3","6","10","10","7","1") = "9"
    & skf18("8","3","6","10","10","8","1") = "9"
    & skf18("8","3","6","10","10","9","1") = "9"
    & skf18("8","3","6","10","10","10","1") = "9"
    & skf18("8","3","7","1","1","1","1") = "7"
    & skf18("8","3","7","1","1","2","1") = "7"
    & skf18("8","3","7","1","1","3","1") = "7"
    & skf18("8","3","7","1","1","4","1") = "7"
    & skf18("8","3","7","1","1","5","1") = "7"
    & skf18("8","3","7","1","1","6","1") = "7"
    & skf18("8","3","7","1","1","7","1") = "7"
    & skf18("8","3","7","1","1","8","1") = "7"
    & skf18("8","3","7","1","1","9","1") = "8"
    & skf18("8","3","7","1","1","10","1") = "9"
    & skf18("8","3","7","1","2","1","1") = "7"
    & skf18("8","3","7","1","2","2","1") = "7"
    & skf18("8","3","7","1","2","3","1") = "7"
    & skf18("8","3","7","1","2","4","1") = "7"
    & skf18("8","3","7","1","2","5","1") = "7"
    & skf18("8","3","7","1","2","6","1") = "7"
    & skf18("8","3","7","1","2","7","1") = "7"
    & skf18("8","3","7","1","2","8","1") = "7"
    & skf18("8","3","7","1","2","9","1") = "8"
    & skf18("8","3","7","1","2","10","1") = "9"
    & skf18("8","3","7","1","3","1","1") = "7"
    & skf18("8","3","7","1","3","2","1") = "7"
    & skf18("8","3","7","1","3","3","1") = "7"
    & skf18("8","3","7","1","3","4","1") = "7"
    & skf18("8","3","7","1","3","5","1") = "7"
    & skf18("8","3","7","1","3","6","1") = "7"
    & skf18("8","3","7","1","3","7","1") = "7"
    & skf18("8","3","7","1","3","8","1") = "7"
    & skf18("8","3","7","1","3","9","1") = "8"
    & skf18("8","3","7","1","3","10","1") = "9"
    & skf18("8","3","7","1","4","1","1") = "7"
    & skf18("8","3","7","1","4","2","1") = "7"
    & skf18("8","3","7","1","4","3","1") = "7"
    & skf18("8","3","7","1","4","4","1") = "7"
    & skf18("8","3","7","1","4","5","1") = "7"
    & skf18("8","3","7","1","4","6","1") = "7"
    & skf18("8","3","7","1","4","7","1") = "7"
    & skf18("8","3","7","1","4","8","1") = "7"
    & skf18("8","3","7","1","4","9","1") = "8"
    & skf18("8","3","7","1","4","10","1") = "9"
    & skf18("8","3","7","1","5","1","1") = "7"
    & skf18("8","3","7","1","5","2","1") = "7"
    & skf18("8","3","7","1","5","3","1") = "7"
    & skf18("8","3","7","1","5","4","1") = "7"
    & skf18("8","3","7","1","5","5","1") = "7"
    & skf18("8","3","7","1","5","6","1") = "7"
    & skf18("8","3","7","1","5","7","1") = "7"
    & skf18("8","3","7","1","5","8","1") = "7"
    & skf18("8","3","7","1","5","9","1") = "8"
    & skf18("8","3","7","1","5","10","1") = "9"
    & skf18("8","3","7","1","6","1","1") = "7"
    & skf18("8","3","7","1","6","2","1") = "7"
    & skf18("8","3","7","1","6","3","1") = "7"
    & skf18("8","3","7","1","6","4","1") = "7"
    & skf18("8","3","7","1","6","5","1") = "7"
    & skf18("8","3","7","1","6","6","1") = "7"
    & skf18("8","3","7","1","6","7","1") = "7"
    & skf18("8","3","7","1","6","8","1") = "7"
    & skf18("8","3","7","1","6","9","1") = "8"
    & skf18("8","3","7","1","6","10","1") = "9"
    & skf18("8","3","7","1","7","1","1") = "7"
    & skf18("8","3","7","1","7","2","1") = "7"
    & skf18("8","3","7","1","7","3","1") = "7"
    & skf18("8","3","7","1","7","4","1") = "7"
    & skf18("8","3","7","1","7","5","1") = "7"
    & skf18("8","3","7","1","7","6","1") = "7"
    & skf18("8","3","7","1","7","7","1") = "7"
    & skf18("8","3","7","1","7","8","1") = "7"
    & skf18("8","3","7","1","7","9","1") = "8"
    & skf18("8","3","7","1","7","10","1") = "9"
    & skf18("8","3","7","1","8","1","1") = "7"
    & skf18("8","3","7","1","8","2","1") = "7"
    & skf18("8","3","7","1","8","3","1") = "7"
    & skf18("8","3","7","1","8","4","1") = "7"
    & skf18("8","3","7","1","8","5","1") = "7"
    & skf18("8","3","7","1","8","6","1") = "7"
    & skf18("8","3","7","1","8","7","1") = "7"
    & skf18("8","3","7","1","8","8","1") = "7"
    & skf18("8","3","7","1","8","9","1") = "8"
    & skf18("8","3","7","1","8","10","1") = "9"
    & skf18("8","3","7","1","9","1","1") = "8"
    & skf18("8","3","7","1","9","2","1") = "8"
    & skf18("8","3","7","1","9","3","1") = "8"
    & skf18("8","3","7","1","9","4","1") = "8"
    & skf18("8","3","7","1","9","5","1") = "8"
    & skf18("8","3","7","1","9","6","1") = "8"
    & skf18("8","3","7","1","9","7","1") = "8"
    & skf18("8","3","7","1","9","8","1") = "8"
    & skf18("8","3","7","1","9","9","1") = "8"
    & skf18("8","3","7","1","9","10","1") = "9"
    & skf18("8","3","7","1","10","1","1") = "9"
    & skf18("8","3","7","1","10","2","1") = "9"
    & skf18("8","3","7","1","10","3","1") = "9"
    & skf18("8","3","7","1","10","4","1") = "9"
    & skf18("8","3","7","1","10","5","1") = "9"
    & skf18("8","3","7","1","10","6","1") = "9"
    & skf18("8","3","7","1","10","7","1") = "9"
    & skf18("8","3","7","1","10","8","1") = "9"
    & skf18("8","3","7","1","10","9","1") = "9"
    & skf18("8","3","7","1","10","10","1") = "9"
    & skf18("8","3","7","2","1","1","1") = "7"
    & skf18("8","3","7","2","1","2","1") = "7"
    & skf18("8","3","7","2","1","3","1") = "7"
    & skf18("8","3","7","2","1","4","1") = "7"
    & skf18("8","3","7","2","1","5","1") = "7"
    & skf18("8","3","7","2","1","6","1") = "7"
    & skf18("8","3","7","2","1","7","1") = "7"
    & skf18("8","3","7","2","1","8","1") = "7"
    & skf18("8","3","7","2","1","9","1") = "8"
    & skf18("8","3","7","2","1","10","1") = "9"
    & skf18("8","3","7","2","2","1","1") = "7"
    & skf18("8","3","7","2","2","2","1") = "7"
    & skf18("8","3","7","2","2","3","1") = "7"
    & skf18("8","3","7","2","2","4","1") = "7"
    & skf18("8","3","7","2","2","5","1") = "7"
    & skf18("8","3","7","2","2","6","1") = "7"
    & skf18("8","3","7","2","2","7","1") = "7"
    & skf18("8","3","7","2","2","8","1") = "7"
    & skf18("8","3","7","2","2","9","1") = "8"
    & skf18("8","3","7","2","2","10","1") = "9"
    & skf18("8","3","7","2","3","1","1") = "7"
    & skf18("8","3","7","2","3","2","1") = "7"
    & skf18("8","3","7","2","3","3","1") = "7"
    & skf18("8","3","7","2","3","4","1") = "7"
    & skf18("8","3","7","2","3","5","1") = "7"
    & skf18("8","3","7","2","3","6","1") = "7"
    & skf18("8","3","7","2","3","7","1") = "7"
    & skf18("8","3","7","2","3","8","1") = "7"
    & skf18("8","3","7","2","3","9","1") = "8"
    & skf18("8","3","7","2","3","10","1") = "9"
    & skf18("8","3","7","2","4","1","1") = "7"
    & skf18("8","3","7","2","4","2","1") = "7"
    & skf18("8","3","7","2","4","3","1") = "7"
    & skf18("8","3","7","2","4","4","1") = "7"
    & skf18("8","3","7","2","4","5","1") = "7"
    & skf18("8","3","7","2","4","6","1") = "7"
    & skf18("8","3","7","2","4","7","1") = "7"
    & skf18("8","3","7","2","4","8","1") = "7"
    & skf18("8","3","7","2","4","9","1") = "8"
    & skf18("8","3","7","2","4","10","1") = "9"
    & skf18("8","3","7","2","5","1","1") = "7"
    & skf18("8","3","7","2","5","2","1") = "7"
    & skf18("8","3","7","2","5","3","1") = "7"
    & skf18("8","3","7","2","5","4","1") = "7"
    & skf18("8","3","7","2","5","5","1") = "7"
    & skf18("8","3","7","2","5","6","1") = "7"
    & skf18("8","3","7","2","5","7","1") = "7"
    & skf18("8","3","7","2","5","8","1") = "7"
    & skf18("8","3","7","2","5","9","1") = "8"
    & skf18("8","3","7","2","5","10","1") = "9"
    & skf18("8","3","7","2","6","1","1") = "7"
    & skf18("8","3","7","2","6","2","1") = "7"
    & skf18("8","3","7","2","6","3","1") = "7"
    & skf18("8","3","7","2","6","4","1") = "7"
    & skf18("8","3","7","2","6","5","1") = "7"
    & skf18("8","3","7","2","6","6","1") = "7"
    & skf18("8","3","7","2","6","7","1") = "7"
    & skf18("8","3","7","2","6","8","1") = "7"
    & skf18("8","3","7","2","6","9","1") = "8"
    & skf18("8","3","7","2","6","10","1") = "9"
    & skf18("8","3","7","2","7","1","1") = "7"
    & skf18("8","3","7","2","7","2","1") = "7"
    & skf18("8","3","7","2","7","3","1") = "7"
    & skf18("8","3","7","2","7","4","1") = "7"
    & skf18("8","3","7","2","7","5","1") = "7"
    & skf18("8","3","7","2","7","6","1") = "7"
    & skf18("8","3","7","2","7","7","1") = "7"
    & skf18("8","3","7","2","7","8","1") = "7"
    & skf18("8","3","7","2","7","9","1") = "8"
    & skf18("8","3","7","2","7","10","1") = "9"
    & skf18("8","3","7","2","8","1","1") = "7"
    & skf18("8","3","7","2","8","2","1") = "7"
    & skf18("8","3","7","2","8","3","1") = "7"
    & skf18("8","3","7","2","8","4","1") = "7"
    & skf18("8","3","7","2","8","5","1") = "7"
    & skf18("8","3","7","2","8","6","1") = "7"
    & skf18("8","3","7","2","8","7","1") = "7"
    & skf18("8","3","7","2","8","8","1") = "7"
    & skf18("8","3","7","2","8","9","1") = "8"
    & skf18("8","3","7","2","8","10","1") = "9"
    & skf18("8","3","7","2","9","1","1") = "8"
    & skf18("8","3","7","2","9","2","1") = "8"
    & skf18("8","3","7","2","9","3","1") = "8"
    & skf18("8","3","7","2","9","4","1") = "8"
    & skf18("8","3","7","2","9","5","1") = "8"
    & skf18("8","3","7","2","9","6","1") = "8"
    & skf18("8","3","7","2","9","7","1") = "8"
    & skf18("8","3","7","2","9","8","1") = "8"
    & skf18("8","3","7","2","9","9","1") = "8"
    & skf18("8","3","7","2","9","10","1") = "9"
    & skf18("8","3","7","2","10","1","1") = "9"
    & skf18("8","3","7","2","10","2","1") = "9"
    & skf18("8","3","7","2","10","3","1") = "9"
    & skf18("8","3","7","2","10","4","1") = "9"
    & skf18("8","3","7","2","10","5","1") = "9"
    & skf18("8","3","7","2","10","6","1") = "9"
    & skf18("8","3","7","2","10","7","1") = "9"
    & skf18("8","3","7","2","10","8","1") = "9"
    & skf18("8","3","7","2","10","9","1") = "9"
    & skf18("8","3","7","2","10","10","1") = "9"
    & skf18("8","3","7","3","1","1","1") = "7"
    & skf18("8","3","7","3","1","2","1") = "7"
    & skf18("8","3","7","3","1","3","1") = "7"
    & skf18("8","3","7","3","1","4","1") = "7"
    & skf18("8","3","7","3","1","5","1") = "7"
    & skf18("8","3","7","3","1","6","1") = "7"
    & skf18("8","3","7","3","1","7","1") = "7"
    & skf18("8","3","7","3","1","8","1") = "7"
    & skf18("8","3","7","3","1","9","1") = "8"
    & skf18("8","3","7","3","1","10","1") = "9"
    & skf18("8","3","7","3","2","1","1") = "7"
    & skf18("8","3","7","3","2","2","1") = "7"
    & skf18("8","3","7","3","2","3","1") = "7"
    & skf18("8","3","7","3","2","4","1") = "7"
    & skf18("8","3","7","3","2","5","1") = "7"
    & skf18("8","3","7","3","2","6","1") = "7"
    & skf18("8","3","7","3","2","7","1") = "7"
    & skf18("8","3","7","3","2","8","1") = "7"
    & skf18("8","3","7","3","2","9","1") = "8"
    & skf18("8","3","7","3","2","10","1") = "9"
    & skf18("8","3","7","3","3","1","1") = "7"
    & skf18("8","3","7","3","3","2","1") = "7"
    & skf18("8","3","7","3","3","3","1") = "7"
    & skf18("8","3","7","3","3","4","1") = "7"
    & skf18("8","3","7","3","3","5","1") = "7"
    & skf18("8","3","7","3","3","6","1") = "7"
    & skf18("8","3","7","3","3","7","1") = "7"
    & skf18("8","3","7","3","3","8","1") = "7"
    & skf18("8","3","7","3","3","9","1") = "8"
    & skf18("8","3","7","3","3","10","1") = "9"
    & skf18("8","3","7","3","4","1","1") = "7"
    & skf18("8","3","7","3","4","2","1") = "7"
    & skf18("8","3","7","3","4","3","1") = "7"
    & skf18("8","3","7","3","4","4","1") = "7"
    & skf18("8","3","7","3","4","5","1") = "7"
    & skf18("8","3","7","3","4","6","1") = "7"
    & skf18("8","3","7","3","4","7","1") = "7"
    & skf18("8","3","7","3","4","8","1") = "7"
    & skf18("8","3","7","3","4","9","1") = "8"
    & skf18("8","3","7","3","4","10","1") = "9"
    & skf18("8","3","7","3","5","1","1") = "7"
    & skf18("8","3","7","3","5","2","1") = "7"
    & skf18("8","3","7","3","5","3","1") = "7"
    & skf18("8","3","7","3","5","4","1") = "7"
    & skf18("8","3","7","3","5","5","1") = "7"
    & skf18("8","3","7","3","5","6","1") = "7"
    & skf18("8","3","7","3","5","7","1") = "7"
    & skf18("8","3","7","3","5","8","1") = "7"
    & skf18("8","3","7","3","5","9","1") = "8"
    & skf18("8","3","7","3","5","10","1") = "9"
    & skf18("8","3","7","3","6","1","1") = "7"
    & skf18("8","3","7","3","6","2","1") = "7"
    & skf18("8","3","7","3","6","3","1") = "7"
    & skf18("8","3","7","3","6","4","1") = "7"
    & skf18("8","3","7","3","6","5","1") = "7"
    & skf18("8","3","7","3","6","6","1") = "7"
    & skf18("8","3","7","3","6","7","1") = "7"
    & skf18("8","3","7","3","6","8","1") = "7"
    & skf18("8","3","7","3","6","9","1") = "8"
    & skf18("8","3","7","3","6","10","1") = "9"
    & skf18("8","3","7","3","7","1","1") = "7"
    & skf18("8","3","7","3","7","2","1") = "7"
    & skf18("8","3","7","3","7","3","1") = "7"
    & skf18("8","3","7","3","7","4","1") = "7"
    & skf18("8","3","7","3","7","5","1") = "7"
    & skf18("8","3","7","3","7","6","1") = "7"
    & skf18("8","3","7","3","7","7","1") = "7"
    & skf18("8","3","7","3","7","8","1") = "7"
    & skf18("8","3","7","3","7","9","1") = "8"
    & skf18("8","3","7","3","7","10","1") = "9"
    & skf18("8","3","7","3","8","1","1") = "7"
    & skf18("8","3","7","3","8","2","1") = "7"
    & skf18("8","3","7","3","8","3","1") = "7"
    & skf18("8","3","7","3","8","4","1") = "7"
    & skf18("8","3","7","3","8","5","1") = "7"
    & skf18("8","3","7","3","8","6","1") = "7"
    & skf18("8","3","7","3","8","7","1") = "7"
    & skf18("8","3","7","3","8","8","1") = "7"
    & skf18("8","3","7","3","8","9","1") = "8"
    & skf18("8","3","7","3","8","10","1") = "9"
    & skf18("8","3","7","3","9","1","1") = "8"
    & skf18("8","3","7","3","9","2","1") = "8"
    & skf18("8","3","7","3","9","3","1") = "8"
    & skf18("8","3","7","3","9","4","1") = "8"
    & skf18("8","3","7","3","9","5","1") = "8"
    & skf18("8","3","7","3","9","6","1") = "8"
    & skf18("8","3","7","3","9","7","1") = "8"
    & skf18("8","3","7","3","9","8","1") = "8"
    & skf18("8","3","7","3","9","9","1") = "8"
    & skf18("8","3","7","3","9","10","1") = "9"
    & skf18("8","3","7","3","10","1","1") = "9"
    & skf18("8","3","7","3","10","2","1") = "9"
    & skf18("8","3","7","3","10","3","1") = "9"
    & skf18("8","3","7","3","10","4","1") = "9"
    & skf18("8","3","7","3","10","5","1") = "9"
    & skf18("8","3","7","3","10","6","1") = "9"
    & skf18("8","3","7","3","10","7","1") = "9"
    & skf18("8","3","7","3","10","8","1") = "9"
    & skf18("8","3","7","3","10","9","1") = "9"
    & skf18("8","3","7","3","10","10","1") = "9"
    & skf18("8","3","7","4","1","1","1") = "7"
    & skf18("8","3","7","4","1","2","1") = "7"
    & skf18("8","3","7","4","1","3","1") = "7"
    & skf18("8","3","7","4","1","4","1") = "7"
    & skf18("8","3","7","4","1","5","1") = "7"
    & skf18("8","3","7","4","1","6","1") = "7"
    & skf18("8","3","7","4","1","7","1") = "7"
    & skf18("8","3","7","4","1","8","1") = "7"
    & skf18("8","3","7","4","1","9","1") = "8"
    & skf18("8","3","7","4","1","10","1") = "9"
    & skf18("8","3","7","4","2","1","1") = "7"
    & skf18("8","3","7","4","2","2","1") = "7"
    & skf18("8","3","7","4","2","3","1") = "7"
    & skf18("8","3","7","4","2","4","1") = "7"
    & skf18("8","3","7","4","2","5","1") = "7"
    & skf18("8","3","7","4","2","6","1") = "7"
    & skf18("8","3","7","4","2","7","1") = "7"
    & skf18("8","3","7","4","2","8","1") = "7"
    & skf18("8","3","7","4","2","9","1") = "8"
    & skf18("8","3","7","4","2","10","1") = "9"
    & skf18("8","3","7","4","3","1","1") = "7"
    & skf18("8","3","7","4","3","2","1") = "7"
    & skf18("8","3","7","4","3","3","1") = "7"
    & skf18("8","3","7","4","3","4","1") = "7"
    & skf18("8","3","7","4","3","5","1") = "7"
    & skf18("8","3","7","4","3","6","1") = "7"
    & skf18("8","3","7","4","3","7","1") = "7"
    & skf18("8","3","7","4","3","8","1") = "7"
    & skf18("8","3","7","4","3","9","1") = "8"
    & skf18("8","3","7","4","3","10","1") = "9"
    & skf18("8","3","7","4","4","1","1") = "7"
    & skf18("8","3","7","4","4","2","1") = "7"
    & skf18("8","3","7","4","4","3","1") = "7"
    & skf18("8","3","7","4","4","4","1") = "7"
    & skf18("8","3","7","4","4","5","1") = "7"
    & skf18("8","3","7","4","4","6","1") = "7"
    & skf18("8","3","7","4","4","7","1") = "7"
    & skf18("8","3","7","4","4","8","1") = "7"
    & skf18("8","3","7","4","4","9","1") = "8"
    & skf18("8","3","7","4","4","10","1") = "9"
    & skf18("8","3","7","4","5","1","1") = "7"
    & skf18("8","3","7","4","5","2","1") = "7"
    & skf18("8","3","7","4","5","3","1") = "7"
    & skf18("8","3","7","4","5","4","1") = "7"
    & skf18("8","3","7","4","5","5","1") = "7"
    & skf18("8","3","7","4","5","6","1") = "7"
    & skf18("8","3","7","4","5","7","1") = "7"
    & skf18("8","3","7","4","5","8","1") = "7"
    & skf18("8","3","7","4","5","9","1") = "8"
    & skf18("8","3","7","4","5","10","1") = "9"
    & skf18("8","3","7","4","6","1","1") = "7"
    & skf18("8","3","7","4","6","2","1") = "7"
    & skf18("8","3","7","4","6","3","1") = "7"
    & skf18("8","3","7","4","6","4","1") = "7"
    & skf18("8","3","7","4","6","5","1") = "7"
    & skf18("8","3","7","4","6","6","1") = "7"
    & skf18("8","3","7","4","6","7","1") = "7"
    & skf18("8","3","7","4","6","8","1") = "7"
    & skf18("8","3","7","4","6","9","1") = "8"
    & skf18("8","3","7","4","6","10","1") = "9"
    & skf18("8","3","7","4","7","1","1") = "7"
    & skf18("8","3","7","4","7","2","1") = "7"
    & skf18("8","3","7","4","7","3","1") = "7"
    & skf18("8","3","7","4","7","4","1") = "7"
    & skf18("8","3","7","4","7","5","1") = "7"
    & skf18("8","3","7","4","7","6","1") = "7"
    & skf18("8","3","7","4","7","7","1") = "7"
    & skf18("8","3","7","4","7","8","1") = "7"
    & skf18("8","3","7","4","7","9","1") = "8"
    & skf18("8","3","7","4","7","10","1") = "9"
    & skf18("8","3","7","4","8","1","1") = "7"
    & skf18("8","3","7","4","8","2","1") = "7"
    & skf18("8","3","7","4","8","3","1") = "7"
    & skf18("8","3","7","4","8","4","1") = "7"
    & skf18("8","3","7","4","8","5","1") = "7"
    & skf18("8","3","7","4","8","6","1") = "7"
    & skf18("8","3","7","4","8","7","1") = "7"
    & skf18("8","3","7","4","8","8","1") = "7"
    & skf18("8","3","7","4","8","9","1") = "8"
    & skf18("8","3","7","4","8","10","1") = "9"
    & skf18("8","3","7","4","9","1","1") = "8"
    & skf18("8","3","7","4","9","2","1") = "8"
    & skf18("8","3","7","4","9","3","1") = "8"
    & skf18("8","3","7","4","9","4","1") = "8"
    & skf18("8","3","7","4","9","5","1") = "8"
    & skf18("8","3","7","4","9","6","1") = "8"
    & skf18("8","3","7","4","9","7","1") = "8"
    & skf18("8","3","7","4","9","8","1") = "8"
    & skf18("8","3","7","4","9","9","1") = "8"
    & skf18("8","3","7","4","9","10","1") = "9"
    & skf18("8","3","7","4","10","1","1") = "9"
    & skf18("8","3","7","4","10","2","1") = "9"
    & skf18("8","3","7","4","10","3","1") = "9"
    & skf18("8","3","7","4","10","4","1") = "9"
    & skf18("8","3","7","4","10","5","1") = "9"
    & skf18("8","3","7","4","10","6","1") = "9"
    & skf18("8","3","7","4","10","7","1") = "9"
    & skf18("8","3","7","4","10","8","1") = "9"
    & skf18("8","3","7","4","10","9","1") = "9"
    & skf18("8","3","7","4","10","10","1") = "9"
    & skf18("8","3","7","5","1","1","1") = "7"
    & skf18("8","3","7","5","1","2","1") = "7"
    & skf18("8","3","7","5","1","3","1") = "7"
    & skf18("8","3","7","5","1","4","1") = "7"
    & skf18("8","3","7","5","1","5","1") = "7"
    & skf18("8","3","7","5","1","6","1") = "7"
    & skf18("8","3","7","5","1","7","1") = "7"
    & skf18("8","3","7","5","1","8","1") = "7"
    & skf18("8","3","7","5","1","9","1") = "8"
    & skf18("8","3","7","5","1","10","1") = "9"
    & skf18("8","3","7","5","2","1","1") = "7"
    & skf18("8","3","7","5","2","2","1") = "7"
    & skf18("8","3","7","5","2","3","1") = "7"
    & skf18("8","3","7","5","2","4","1") = "7"
    & skf18("8","3","7","5","2","5","1") = "7"
    & skf18("8","3","7","5","2","6","1") = "7"
    & skf18("8","3","7","5","2","7","1") = "7"
    & skf18("8","3","7","5","2","8","1") = "7"
    & skf18("8","3","7","5","2","9","1") = "8"
    & skf18("8","3","7","5","2","10","1") = "9"
    & skf18("8","3","7","5","3","1","1") = "7"
    & skf18("8","3","7","5","3","2","1") = "7"
    & skf18("8","3","7","5","3","3","1") = "7"
    & skf18("8","3","7","5","3","4","1") = "7"
    & skf18("8","3","7","5","3","5","1") = "7"
    & skf18("8","3","7","5","3","6","1") = "7"
    & skf18("8","3","7","5","3","7","1") = "7"
    & skf18("8","3","7","5","3","8","1") = "7"
    & skf18("8","3","7","5","3","9","1") = "8"
    & skf18("8","3","7","5","3","10","1") = "9"
    & skf18("8","3","7","5","4","1","1") = "7"
    & skf18("8","3","7","5","4","2","1") = "7"
    & skf18("8","3","7","5","4","3","1") = "7"
    & skf18("8","3","7","5","4","4","1") = "7"
    & skf18("8","3","7","5","4","5","1") = "7"
    & skf18("8","3","7","5","4","6","1") = "7"
    & skf18("8","3","7","5","4","7","1") = "7"
    & skf18("8","3","7","5","4","8","1") = "7"
    & skf18("8","3","7","5","4","9","1") = "8"
    & skf18("8","3","7","5","4","10","1") = "9"
    & skf18("8","3","7","5","5","1","1") = "7"
    & skf18("8","3","7","5","5","2","1") = "7"
    & skf18("8","3","7","5","5","3","1") = "7"
    & skf18("8","3","7","5","5","4","1") = "7"
    & skf18("8","3","7","5","5","5","1") = "7"
    & skf18("8","3","7","5","5","6","1") = "7"
    & skf18("8","3","7","5","5","7","1") = "7"
    & skf18("8","3","7","5","5","8","1") = "7"
    & skf18("8","3","7","5","5","9","1") = "8"
    & skf18("8","3","7","5","5","10","1") = "9"
    & skf18("8","3","7","5","6","1","1") = "7"
    & skf18("8","3","7","5","6","2","1") = "7"
    & skf18("8","3","7","5","6","3","1") = "7"
    & skf18("8","3","7","5","6","4","1") = "7"
    & skf18("8","3","7","5","6","5","1") = "7"
    & skf18("8","3","7","5","6","6","1") = "7"
    & skf18("8","3","7","5","6","7","1") = "7"
    & skf18("8","3","7","5","6","8","1") = "7"
    & skf18("8","3","7","5","6","9","1") = "8"
    & skf18("8","3","7","5","6","10","1") = "9"
    & skf18("8","3","7","5","7","1","1") = "7"
    & skf18("8","3","7","5","7","2","1") = "7"
    & skf18("8","3","7","5","7","3","1") = "7"
    & skf18("8","3","7","5","7","4","1") = "7"
    & skf18("8","3","7","5","7","5","1") = "7"
    & skf18("8","3","7","5","7","6","1") = "7"
    & skf18("8","3","7","5","7","7","1") = "7"
    & skf18("8","3","7","5","7","8","1") = "7"
    & skf18("8","3","7","5","7","9","1") = "8"
    & skf18("8","3","7","5","7","10","1") = "9"
    & skf18("8","3","7","5","8","1","1") = "7"
    & skf18("8","3","7","5","8","2","1") = "7"
    & skf18("8","3","7","5","8","3","1") = "7"
    & skf18("8","3","7","5","8","4","1") = "7"
    & skf18("8","3","7","5","8","5","1") = "7"
    & skf18("8","3","7","5","8","6","1") = "7"
    & skf18("8","3","7","5","8","7","1") = "7"
    & skf18("8","3","7","5","8","8","1") = "7"
    & skf18("8","3","7","5","8","9","1") = "8"
    & skf18("8","3","7","5","8","10","1") = "9"
    & skf18("8","3","7","5","9","1","1") = "8"
    & skf18("8","3","7","5","9","2","1") = "8"
    & skf18("8","3","7","5","9","3","1") = "8"
    & skf18("8","3","7","5","9","4","1") = "8"
    & skf18("8","3","7","5","9","5","1") = "8"
    & skf18("8","3","7","5","9","6","1") = "8"
    & skf18("8","3","7","5","9","7","1") = "8"
    & skf18("8","3","7","5","9","8","1") = "8"
    & skf18("8","3","7","5","9","9","1") = "8"
    & skf18("8","3","7","5","9","10","1") = "9"
    & skf18("8","3","7","5","10","1","1") = "9"
    & skf18("8","3","7","5","10","2","1") = "9"
    & skf18("8","3","7","5","10","3","1") = "9"
    & skf18("8","3","7","5","10","4","1") = "9"
    & skf18("8","3","7","5","10","5","1") = "9"
    & skf18("8","3","7","5","10","6","1") = "9"
    & skf18("8","3","7","5","10","7","1") = "9"
    & skf18("8","3","7","5","10","8","1") = "9"
    & skf18("8","3","7","5","10","9","1") = "9"
    & skf18("8","3","7","5","10","10","1") = "9"
    & skf18("8","3","7","6","1","1","1") = "7"
    & skf18("8","3","7","6","1","2","1") = "7"
    & skf18("8","3","7","6","1","3","1") = "7"
    & skf18("8","3","7","6","1","4","1") = "7"
    & skf18("8","3","7","6","1","5","1") = "7"
    & skf18("8","3","7","6","1","6","1") = "7"
    & skf18("8","3","7","6","1","7","1") = "7"
    & skf18("8","3","7","6","1","8","1") = "7"
    & skf18("8","3","7","6","1","9","1") = "8"
    & skf18("8","3","7","6","1","10","1") = "9"
    & skf18("8","3","7","6","2","1","1") = "7"
    & skf18("8","3","7","6","2","2","1") = "7"
    & skf18("8","3","7","6","2","3","1") = "7"
    & skf18("8","3","7","6","2","4","1") = "7"
    & skf18("8","3","7","6","2","5","1") = "7"
    & skf18("8","3","7","6","2","6","1") = "7"
    & skf18("8","3","7","6","2","7","1") = "7"
    & skf18("8","3","7","6","2","8","1") = "7"
    & skf18("8","3","7","6","2","9","1") = "8"
    & skf18("8","3","7","6","2","10","1") = "9"
    & skf18("8","3","7","6","3","1","1") = "7"
    & skf18("8","3","7","6","3","2","1") = "7"
    & skf18("8","3","7","6","3","3","1") = "7"
    & skf18("8","3","7","6","3","4","1") = "7"
    & skf18("8","3","7","6","3","5","1") = "7"
    & skf18("8","3","7","6","3","6","1") = "7"
    & skf18("8","3","7","6","3","7","1") = "7"
    & skf18("8","3","7","6","3","8","1") = "7"
    & skf18("8","3","7","6","3","9","1") = "8"
    & skf18("8","3","7","6","3","10","1") = "9"
    & skf18("8","3","7","6","4","1","1") = "7"
    & skf18("8","3","7","6","4","2","1") = "7"
    & skf18("8","3","7","6","4","3","1") = "7"
    & skf18("8","3","7","6","4","4","1") = "7"
    & skf18("8","3","7","6","4","5","1") = "7"
    & skf18("8","3","7","6","4","6","1") = "7"
    & skf18("8","3","7","6","4","7","1") = "7"
    & skf18("8","3","7","6","4","8","1") = "7"
    & skf18("8","3","7","6","4","9","1") = "8"
    & skf18("8","3","7","6","4","10","1") = "9"
    & skf18("8","3","7","6","5","1","1") = "7"
    & skf18("8","3","7","6","5","2","1") = "7"
    & skf18("8","3","7","6","5","3","1") = "7"
    & skf18("8","3","7","6","5","4","1") = "7"
    & skf18("8","3","7","6","5","5","1") = "7"
    & skf18("8","3","7","6","5","6","1") = "7"
    & skf18("8","3","7","6","5","7","1") = "7"
    & skf18("8","3","7","6","5","8","1") = "7"
    & skf18("8","3","7","6","5","9","1") = "8"
    & skf18("8","3","7","6","5","10","1") = "9"
    & skf18("8","3","7","6","6","1","1") = "7"
    & skf18("8","3","7","6","6","2","1") = "7"
    & skf18("8","3","7","6","6","3","1") = "7"
    & skf18("8","3","7","6","6","4","1") = "7"
    & skf18("8","3","7","6","6","5","1") = "7"
    & skf18("8","3","7","6","6","6","1") = "7"
    & skf18("8","3","7","6","6","7","1") = "7"
    & skf18("8","3","7","6","6","8","1") = "7"
    & skf18("8","3","7","6","6","9","1") = "8"
    & skf18("8","3","7","6","6","10","1") = "9"
    & skf18("8","3","7","6","7","1","1") = "7"
    & skf18("8","3","7","6","7","2","1") = "7"
    & skf18("8","3","7","6","7","3","1") = "7"
    & skf18("8","3","7","6","7","4","1") = "7"
    & skf18("8","3","7","6","7","5","1") = "7"
    & skf18("8","3","7","6","7","6","1") = "7"
    & skf18("8","3","7","6","7","7","1") = "7"
    & skf18("8","3","7","6","7","8","1") = "7"
    & skf18("8","3","7","6","7","9","1") = "8"
    & skf18("8","3","7","6","7","10","1") = "9"
    & skf18("8","3","7","6","8","1","1") = "7"
    & skf18("8","3","7","6","8","2","1") = "7"
    & skf18("8","3","7","6","8","3","1") = "7"
    & skf18("8","3","7","6","8","4","1") = "7"
    & skf18("8","3","7","6","8","5","1") = "7"
    & skf18("8","3","7","6","8","6","1") = "7"
    & skf18("8","3","7","6","8","7","1") = "7"
    & skf18("8","3","7","6","8","8","1") = "7"
    & skf18("8","3","7","6","8","9","1") = "8"
    & skf18("8","3","7","6","8","10","1") = "9"
    & skf18("8","3","7","6","9","1","1") = "8"
    & skf18("8","3","7","6","9","2","1") = "8"
    & skf18("8","3","7","6","9","3","1") = "8"
    & skf18("8","3","7","6","9","4","1") = "8"
    & skf18("8","3","7","6","9","5","1") = "8"
    & skf18("8","3","7","6","9","6","1") = "8"
    & skf18("8","3","7","6","9","7","1") = "8"
    & skf18("8","3","7","6","9","8","1") = "8"
    & skf18("8","3","7","6","9","9","1") = "8"
    & skf18("8","3","7","6","9","10","1") = "9"
    & skf18("8","3","7","6","10","1","1") = "9"
    & skf18("8","3","7","6","10","2","1") = "9"
    & skf18("8","3","7","6","10","3","1") = "9"
    & skf18("8","3","7","6","10","4","1") = "9"
    & skf18("8","3","7","6","10","5","1") = "9"
    & skf18("8","3","7","6","10","6","1") = "9"
    & skf18("8","3","7","6","10","7","1") = "9"
    & skf18("8","3","7","6","10","8","1") = "9"
    & skf18("8","3","7","6","10","9","1") = "9"
    & skf18("8","3","7","6","10","10","1") = "9"
    & skf18("8","3","7","7","1","1","1") = "7"
    & skf18("8","3","7","7","1","2","1") = "7"
    & skf18("8","3","7","7","1","3","1") = "7"
    & skf18("8","3","7","7","1","4","1") = "7"
    & skf18("8","3","7","7","1","5","1") = "7"
    & skf18("8","3","7","7","1","6","1") = "7"
    & skf18("8","3","7","7","1","7","1") = "7"
    & skf18("8","3","7","7","1","8","1") = "7"
    & skf18("8","3","7","7","1","9","1") = "8"
    & skf18("8","3","7","7","1","10","1") = "9"
    & skf18("8","3","7","7","2","1","1") = "7"
    & skf18("8","3","7","7","2","2","1") = "7"
    & skf18("8","3","7","7","2","3","1") = "7"
    & skf18("8","3","7","7","2","4","1") = "7"
    & skf18("8","3","7","7","2","5","1") = "7"
    & skf18("8","3","7","7","2","6","1") = "7"
    & skf18("8","3","7","7","2","7","1") = "7"
    & skf18("8","3","7","7","2","8","1") = "7"
    & skf18("8","3","7","7","2","9","1") = "8"
    & skf18("8","3","7","7","2","10","1") = "9"
    & skf18("8","3","7","7","3","1","1") = "7"
    & skf18("8","3","7","7","3","2","1") = "7"
    & skf18("8","3","7","7","3","3","1") = "7"
    & skf18("8","3","7","7","3","4","1") = "7"
    & skf18("8","3","7","7","3","5","1") = "7"
    & skf18("8","3","7","7","3","6","1") = "7"
    & skf18("8","3","7","7","3","7","1") = "7"
    & skf18("8","3","7","7","3","8","1") = "7"
    & skf18("8","3","7","7","3","9","1") = "8"
    & skf18("8","3","7","7","3","10","1") = "9"
    & skf18("8","3","7","7","4","1","1") = "7"
    & skf18("8","3","7","7","4","2","1") = "7"
    & skf18("8","3","7","7","4","3","1") = "7"
    & skf18("8","3","7","7","4","4","1") = "7"
    & skf18("8","3","7","7","4","5","1") = "7"
    & skf18("8","3","7","7","4","6","1") = "7"
    & skf18("8","3","7","7","4","7","1") = "7"
    & skf18("8","3","7","7","4","8","1") = "7"
    & skf18("8","3","7","7","4","9","1") = "8"
    & skf18("8","3","7","7","4","10","1") = "9"
    & skf18("8","3","7","7","5","1","1") = "7"
    & skf18("8","3","7","7","5","2","1") = "7"
    & skf18("8","3","7","7","5","3","1") = "7"
    & skf18("8","3","7","7","5","4","1") = "7"
    & skf18("8","3","7","7","5","5","1") = "7"
    & skf18("8","3","7","7","5","6","1") = "7"
    & skf18("8","3","7","7","5","7","1") = "7"
    & skf18("8","3","7","7","5","8","1") = "7"
    & skf18("8","3","7","7","5","9","1") = "8"
    & skf18("8","3","7","7","5","10","1") = "9"
    & skf18("8","3","7","7","6","1","1") = "7"
    & skf18("8","3","7","7","6","2","1") = "7"
    & skf18("8","3","7","7","6","3","1") = "7"
    & skf18("8","3","7","7","6","4","1") = "7"
    & skf18("8","3","7","7","6","5","1") = "7"
    & skf18("8","3","7","7","6","6","1") = "7"
    & skf18("8","3","7","7","6","7","1") = "7"
    & skf18("8","3","7","7","6","8","1") = "7"
    & skf18("8","3","7","7","6","9","1") = "8"
    & skf18("8","3","7","7","6","10","1") = "9"
    & skf18("8","3","7","7","7","1","1") = "7"
    & skf18("8","3","7","7","7","2","1") = "7"
    & skf18("8","3","7","7","7","3","1") = "7"
    & skf18("8","3","7","7","7","4","1") = "7"
    & skf18("8","3","7","7","7","5","1") = "7"
    & skf18("8","3","7","7","7","6","1") = "7"
    & skf18("8","3","7","7","7","7","1") = "7"
    & skf18("8","3","7","7","7","8","1") = "7"
    & skf18("8","3","7","7","7","9","1") = "8"
    & skf18("8","3","7","7","7","10","1") = "9"
    & skf18("8","3","7","7","8","1","1") = "7"
    & skf18("8","3","7","7","8","2","1") = "7"
    & skf18("8","3","7","7","8","3","1") = "7"
    & skf18("8","3","7","7","8","4","1") = "7"
    & skf18("8","3","7","7","8","5","1") = "7"
    & skf18("8","3","7","7","8","6","1") = "7"
    & skf18("8","3","7","7","8","7","1") = "7"
    & skf18("8","3","7","7","8","8","1") = "7"
    & skf18("8","3","7","7","8","9","1") = "8"
    & skf18("8","3","7","7","8","10","1") = "9"
    & skf18("8","3","7","7","9","1","1") = "8"
    & skf18("8","3","7","7","9","2","1") = "8"
    & skf18("8","3","7","7","9","3","1") = "8"
    & skf18("8","3","7","7","9","4","1") = "8"
    & skf18("8","3","7","7","9","5","1") = "8"
    & skf18("8","3","7","7","9","6","1") = "8"
    & skf18("8","3","7","7","9","7","1") = "8"
    & skf18("8","3","7","7","9","8","1") = "8"
    & skf18("8","3","7","7","9","9","1") = "8"
    & skf18("8","3","7","7","9","10","1") = "9"
    & skf18("8","3","7","7","10","1","1") = "9"
    & skf18("8","3","7","7","10","2","1") = "9"
    & skf18("8","3","7","7","10","3","1") = "9"
    & skf18("8","3","7","7","10","4","1") = "9"
    & skf18("8","3","7","7","10","5","1") = "9"
    & skf18("8","3","7","7","10","6","1") = "9"
    & skf18("8","3","7","7","10","7","1") = "9"
    & skf18("8","3","7","7","10","8","1") = "9"
    & skf18("8","3","7","7","10","9","1") = "9"
    & skf18("8","3","7","7","10","10","1") = "9"
    & skf18("8","3","7","8","1","1","1") = "7"
    & skf18("8","3","7","8","1","2","1") = "7"
    & skf18("8","3","7","8","1","3","1") = "7"
    & skf18("8","3","7","8","1","4","1") = "7"
    & skf18("8","3","7","8","1","5","1") = "7"
    & skf18("8","3","7","8","1","6","1") = "7"
    & skf18("8","3","7","8","1","7","1") = "7"
    & skf18("8","3","7","8","1","8","1") = "7"
    & skf18("8","3","7","8","1","9","1") = "8"
    & skf18("8","3","7","8","1","10","1") = "9"
    & skf18("8","3","7","8","2","1","1") = "7"
    & skf18("8","3","7","8","2","2","1") = "7"
    & skf18("8","3","7","8","2","3","1") = "7"
    & skf18("8","3","7","8","2","4","1") = "7"
    & skf18("8","3","7","8","2","5","1") = "7"
    & skf18("8","3","7","8","2","6","1") = "7"
    & skf18("8","3","7","8","2","7","1") = "7"
    & skf18("8","3","7","8","2","8","1") = "7"
    & skf18("8","3","7","8","2","9","1") = "8"
    & skf18("8","3","7","8","2","10","1") = "9"
    & skf18("8","3","7","8","3","1","1") = "7"
    & skf18("8","3","7","8","3","2","1") = "7"
    & skf18("8","3","7","8","3","3","1") = "7"
    & skf18("8","3","7","8","3","4","1") = "7"
    & skf18("8","3","7","8","3","5","1") = "7"
    & skf18("8","3","7","8","3","6","1") = "7"
    & skf18("8","3","7","8","3","7","1") = "7"
    & skf18("8","3","7","8","3","8","1") = "7"
    & skf18("8","3","7","8","3","9","1") = "8"
    & skf18("8","3","7","8","3","10","1") = "9"
    & skf18("8","3","7","8","4","1","1") = "7"
    & skf18("8","3","7","8","4","2","1") = "7"
    & skf18("8","3","7","8","4","3","1") = "7"
    & skf18("8","3","7","8","4","4","1") = "7"
    & skf18("8","3","7","8","4","5","1") = "7"
    & skf18("8","3","7","8","4","6","1") = "7"
    & skf18("8","3","7","8","4","7","1") = "7"
    & skf18("8","3","7","8","4","8","1") = "7"
    & skf18("8","3","7","8","4","9","1") = "8"
    & skf18("8","3","7","8","4","10","1") = "9"
    & skf18("8","3","7","8","5","1","1") = "7"
    & skf18("8","3","7","8","5","2","1") = "7"
    & skf18("8","3","7","8","5","3","1") = "7"
    & skf18("8","3","7","8","5","4","1") = "7"
    & skf18("8","3","7","8","5","5","1") = "7"
    & skf18("8","3","7","8","5","6","1") = "7"
    & skf18("8","3","7","8","5","7","1") = "7"
    & skf18("8","3","7","8","5","8","1") = "7"
    & skf18("8","3","7","8","5","9","1") = "8"
    & skf18("8","3","7","8","5","10","1") = "9"
    & skf18("8","3","7","8","6","1","1") = "7"
    & skf18("8","3","7","8","6","2","1") = "7"
    & skf18("8","3","7","8","6","3","1") = "7"
    & skf18("8","3","7","8","6","4","1") = "7"
    & skf18("8","3","7","8","6","5","1") = "7"
    & skf18("8","3","7","8","6","6","1") = "7"
    & skf18("8","3","7","8","6","7","1") = "7"
    & skf18("8","3","7","8","6","8","1") = "7"
    & skf18("8","3","7","8","6","9","1") = "8"
    & skf18("8","3","7","8","6","10","1") = "9"
    & skf18("8","3","7","8","7","1","1") = "7"
    & skf18("8","3","7","8","7","2","1") = "7"
    & skf18("8","3","7","8","7","3","1") = "7"
    & skf18("8","3","7","8","7","4","1") = "7"
    & skf18("8","3","7","8","7","5","1") = "7"
    & skf18("8","3","7","8","7","6","1") = "7"
    & skf18("8","3","7","8","7","7","1") = "7"
    & skf18("8","3","7","8","7","8","1") = "7"
    & skf18("8","3","7","8","7","9","1") = "8"
    & skf18("8","3","7","8","7","10","1") = "9"
    & skf18("8","3","7","8","8","1","1") = "7"
    & skf18("8","3","7","8","8","2","1") = "7"
    & skf18("8","3","7","8","8","3","1") = "7"
    & skf18("8","3","7","8","8","4","1") = "7"
    & skf18("8","3","7","8","8","5","1") = "7"
    & skf18("8","3","7","8","8","6","1") = "7"
    & skf18("8","3","7","8","8","7","1") = "7"
    & skf18("8","3","7","8","8","8","1") = "7"
    & skf18("8","3","7","8","8","9","1") = "8"
    & skf18("8","3","7","8","8","10","1") = "9"
    & skf18("8","3","7","8","9","1","1") = "8"
    & skf18("8","3","7","8","9","2","1") = "8"
    & skf18("8","3","7","8","9","3","1") = "8"
    & skf18("8","3","7","8","9","4","1") = "8"
    & skf18("8","3","7","8","9","5","1") = "8"
    & skf18("8","3","7","8","9","6","1") = "8"
    & skf18("8","3","7","8","9","7","1") = "8"
    & skf18("8","3","7","8","9","8","1") = "8"
    & skf18("8","3","7","8","9","9","1") = "8"
    & skf18("8","3","7","8","9","10","1") = "9"
    & skf18("8","3","7","8","10","1","1") = "9"
    & skf18("8","3","7","8","10","2","1") = "9"
    & skf18("8","3","7","8","10","3","1") = "9"
    & skf18("8","3","7","8","10","4","1") = "9"
    & skf18("8","3","7","8","10","5","1") = "9"
    & skf18("8","3","7","8","10","6","1") = "9"
    & skf18("8","3","7","8","10","7","1") = "9"
    & skf18("8","3","7","8","10","8","1") = "9"
    & skf18("8","3","7","8","10","9","1") = "9"
    & skf18("8","3","7","8","10","10","1") = "9"
    & skf18("8","3","7","9","1","1","1") = "8"
    & skf18("8","3","7","9","1","2","1") = "8"
    & skf18("8","3","7","9","1","3","1") = "8"
    & skf18("8","3","7","9","1","4","1") = "8"
    & skf18("8","3","7","9","1","5","1") = "8"
    & skf18("8","3","7","9","1","6","1") = "8"
    & skf18("8","3","7","9","1","7","1") = "8"
    & skf18("8","3","7","9","1","8","1") = "8"
    & skf18("8","3","7","9","1","9","1") = "8"
    & skf18("8","3","7","9","1","10","1") = "9"
    & skf18("8","3","7","9","2","1","1") = "8"
    & skf18("8","3","7","9","2","2","1") = "8"
    & skf18("8","3","7","9","2","3","1") = "8"
    & skf18("8","3","7","9","2","4","1") = "8"
    & skf18("8","3","7","9","2","5","1") = "8"
    & skf18("8","3","7","9","2","6","1") = "8"
    & skf18("8","3","7","9","2","7","1") = "8"
    & skf18("8","3","7","9","2","8","1") = "8"
    & skf18("8","3","7","9","2","9","1") = "8"
    & skf18("8","3","7","9","2","10","1") = "9"
    & skf18("8","3","7","9","3","1","1") = "8"
    & skf18("8","3","7","9","3","2","1") = "8"
    & skf18("8","3","7","9","3","3","1") = "8"
    & skf18("8","3","7","9","3","4","1") = "8"
    & skf18("8","3","7","9","3","5","1") = "8"
    & skf18("8","3","7","9","3","6","1") = "8"
    & skf18("8","3","7","9","3","7","1") = "8"
    & skf18("8","3","7","9","3","8","1") = "8"
    & skf18("8","3","7","9","3","9","1") = "8"
    & skf18("8","3","7","9","3","10","1") = "9"
    & skf18("8","3","7","9","4","1","1") = "8"
    & skf18("8","3","7","9","4","2","1") = "8"
    & skf18("8","3","7","9","4","3","1") = "8"
    & skf18("8","3","7","9","4","4","1") = "8"
    & skf18("8","3","7","9","4","5","1") = "8"
    & skf18("8","3","7","9","4","6","1") = "8"
    & skf18("8","3","7","9","4","7","1") = "8"
    & skf18("8","3","7","9","4","8","1") = "8"
    & skf18("8","3","7","9","4","9","1") = "8"
    & skf18("8","3","7","9","4","10","1") = "9"
    & skf18("8","3","7","9","5","1","1") = "8"
    & skf18("8","3","7","9","5","2","1") = "8"
    & skf18("8","3","7","9","5","3","1") = "8"
    & skf18("8","3","7","9","5","4","1") = "8"
    & skf18("8","3","7","9","5","5","1") = "8"
    & skf18("8","3","7","9","5","6","1") = "8"
    & skf18("8","3","7","9","5","7","1") = "8"
    & skf18("8","3","7","9","5","8","1") = "8"
    & skf18("8","3","7","9","5","9","1") = "8"
    & skf18("8","3","7","9","5","10","1") = "9"
    & skf18("8","3","7","9","6","1","1") = "8"
    & skf18("8","3","7","9","6","2","1") = "8"
    & skf18("8","3","7","9","6","3","1") = "8"
    & skf18("8","3","7","9","6","4","1") = "8"
    & skf18("8","3","7","9","6","5","1") = "8"
    & skf18("8","3","7","9","6","6","1") = "8"
    & skf18("8","3","7","9","6","7","1") = "8"
    & skf18("8","3","7","9","6","8","1") = "8"
    & skf18("8","3","7","9","6","9","1") = "8"
    & skf18("8","3","7","9","6","10","1") = "9"
    & skf18("8","3","7","9","7","1","1") = "8"
    & skf18("8","3","7","9","7","2","1") = "8"
    & skf18("8","3","7","9","7","3","1") = "8"
    & skf18("8","3","7","9","7","4","1") = "8"
    & skf18("8","3","7","9","7","5","1") = "8"
    & skf18("8","3","7","9","7","6","1") = "8"
    & skf18("8","3","7","9","7","7","1") = "8"
    & skf18("8","3","7","9","7","8","1") = "8"
    & skf18("8","3","7","9","7","9","1") = "8"
    & skf18("8","3","7","9","7","10","1") = "9"
    & skf18("8","3","7","9","8","1","1") = "8"
    & skf18("8","3","7","9","8","2","1") = "8"
    & skf18("8","3","7","9","8","3","1") = "8"
    & skf18("8","3","7","9","8","4","1") = "8"
    & skf18("8","3","7","9","8","5","1") = "8"
    & skf18("8","3","7","9","8","6","1") = "8"
    & skf18("8","3","7","9","8","7","1") = "8"
    & skf18("8","3","7","9","8","8","1") = "8"
    & skf18("8","3","7","9","8","9","1") = "8"
    & skf18("8","3","7","9","8","10","1") = "9"
    & skf18("8","3","7","9","9","1","1") = "8"
    & skf18("8","3","7","9","9","2","1") = "8"
    & skf18("8","3","7","9","9","3","1") = "8"
    & skf18("8","3","7","9","9","4","1") = "8"
    & skf18("8","3","7","9","9","5","1") = "8"
    & skf18("8","3","7","9","9","6","1") = "8"
    & skf18("8","3","7","9","9","7","1") = "8"
    & skf18("8","3","7","9","9","8","1") = "8"
    & skf18("8","3","7","9","9","9","1") = "8"
    & skf18("8","3","7","9","9","10","1") = "9"
    & skf18("8","3","7","9","10","1","1") = "9"
    & skf18("8","3","7","9","10","2","1") = "9"
    & skf18("8","3","7","9","10","3","1") = "9"
    & skf18("8","3","7","9","10","4","1") = "9"
    & skf18("8","3","7","9","10","5","1") = "9"
    & skf18("8","3","7","9","10","6","1") = "9"
    & skf18("8","3","7","9","10","7","1") = "9"
    & skf18("8","3","7","9","10","8","1") = "9"
    & skf18("8","3","7","9","10","9","1") = "9"
    & skf18("8","3","7","9","10","10","1") = "9"
    & skf18("8","3","7","10","1","1","1") = "9"
    & skf18("8","3","7","10","1","2","1") = "9"
    & skf18("8","3","7","10","1","3","1") = "9"
    & skf18("8","3","7","10","1","4","1") = "9"
    & skf18("8","3","7","10","1","5","1") = "9"
    & skf18("8","3","7","10","1","6","1") = "9"
    & skf18("8","3","7","10","1","7","1") = "9"
    & skf18("8","3","7","10","1","8","1") = "9"
    & skf18("8","3","7","10","1","9","1") = "9"
    & skf18("8","3","7","10","1","10","1") = "9"
    & skf18("8","3","7","10","2","1","1") = "9"
    & skf18("8","3","7","10","2","2","1") = "9"
    & skf18("8","3","7","10","2","3","1") = "9"
    & skf18("8","3","7","10","2","4","1") = "9"
    & skf18("8","3","7","10","2","5","1") = "9"
    & skf18("8","3","7","10","2","6","1") = "9"
    & skf18("8","3","7","10","2","7","1") = "9"
    & skf18("8","3","7","10","2","8","1") = "9"
    & skf18("8","3","7","10","2","9","1") = "9"
    & skf18("8","3","7","10","2","10","1") = "9"
    & skf18("8","3","7","10","3","1","1") = "9"
    & skf18("8","3","7","10","3","2","1") = "9"
    & skf18("8","3","7","10","3","3","1") = "9"
    & skf18("8","3","7","10","3","4","1") = "9"
    & skf18("8","3","7","10","3","5","1") = "9"
    & skf18("8","3","7","10","3","6","1") = "9"
    & skf18("8","3","7","10","3","7","1") = "9"
    & skf18("8","3","7","10","3","8","1") = "9"
    & skf18("8","3","7","10","3","9","1") = "9"
    & skf18("8","3","7","10","3","10","1") = "9"
    & skf18("8","3","7","10","4","1","1") = "9"
    & skf18("8","3","7","10","4","2","1") = "9"
    & skf18("8","3","7","10","4","3","1") = "9"
    & skf18("8","3","7","10","4","4","1") = "9"
    & skf18("8","3","7","10","4","5","1") = "9"
    & skf18("8","3","7","10","4","6","1") = "9"
    & skf18("8","3","7","10","4","7","1") = "9"
    & skf18("8","3","7","10","4","8","1") = "9"
    & skf18("8","3","7","10","4","9","1") = "9"
    & skf18("8","3","7","10","4","10","1") = "9"
    & skf18("8","3","7","10","5","1","1") = "9"
    & skf18("8","3","7","10","5","2","1") = "9"
    & skf18("8","3","7","10","5","3","1") = "9"
    & skf18("8","3","7","10","5","4","1") = "9"
    & skf18("8","3","7","10","5","5","1") = "9"
    & skf18("8","3","7","10","5","6","1") = "9"
    & skf18("8","3","7","10","5","7","1") = "9"
    & skf18("8","3","7","10","5","8","1") = "9"
    & skf18("8","3","7","10","5","9","1") = "9"
    & skf18("8","3","7","10","5","10","1") = "9"
    & skf18("8","3","7","10","6","1","1") = "9"
    & skf18("8","3","7","10","6","2","1") = "9"
    & skf18("8","3","7","10","6","3","1") = "9"
    & skf18("8","3","7","10","6","4","1") = "9"
    & skf18("8","3","7","10","6","5","1") = "9"
    & skf18("8","3","7","10","6","6","1") = "9"
    & skf18("8","3","7","10","6","7","1") = "9"
    & skf18("8","3","7","10","6","8","1") = "9"
    & skf18("8","3","7","10","6","9","1") = "9"
    & skf18("8","3","7","10","6","10","1") = "9"
    & skf18("8","3","7","10","7","1","1") = "9"
    & skf18("8","3","7","10","7","2","1") = "9"
    & skf18("8","3","7","10","7","3","1") = "9"
    & skf18("8","3","7","10","7","4","1") = "9"
    & skf18("8","3","7","10","7","5","1") = "9"
    & skf18("8","3","7","10","7","6","1") = "9"
    & skf18("8","3","7","10","7","7","1") = "9"
    & skf18("8","3","7","10","7","8","1") = "9"
    & skf18("8","3","7","10","7","9","1") = "9"
    & skf18("8","3","7","10","7","10","1") = "9"
    & skf18("8","3","7","10","8","1","1") = "9"
    & skf18("8","3","7","10","8","2","1") = "9"
    & skf18("8","3","7","10","8","3","1") = "9"
    & skf18("8","3","7","10","8","4","1") = "9"
    & skf18("8","3","7","10","8","5","1") = "9"
    & skf18("8","3","7","10","8","6","1") = "9"
    & skf18("8","3","7","10","8","7","1") = "9"
    & skf18("8","3","7","10","8","8","1") = "9"
    & skf18("8","3","7","10","8","9","1") = "9"
    & skf18("8","3","7","10","8","10","1") = "9"
    & skf18("8","3","7","10","9","1","1") = "9"
    & skf18("8","3","7","10","9","2","1") = "9"
    & skf18("8","3","7","10","9","3","1") = "9"
    & skf18("8","3","7","10","9","4","1") = "9"
    & skf18("8","3","7","10","9","5","1") = "9"
    & skf18("8","3","7","10","9","6","1") = "9"
    & skf18("8","3","7","10","9","7","1") = "9"
    & skf18("8","3","7","10","9","8","1") = "9"
    & skf18("8","3","7","10","9","9","1") = "9"
    & skf18("8","3","7","10","9","10","1") = "9"
    & skf18("8","3","7","10","10","1","1") = "9"
    & skf18("8","3","7","10","10","2","1") = "9"
    & skf18("8","3","7","10","10","3","1") = "9"
    & skf18("8","3","7","10","10","4","1") = "9"
    & skf18("8","3","7","10","10","5","1") = "9"
    & skf18("8","3","7","10","10","6","1") = "9"
    & skf18("8","3","7","10","10","7","1") = "9"
    & skf18("8","3","7","10","10","8","1") = "9"
    & skf18("8","3","7","10","10","9","1") = "9"
    & skf18("8","3","7","10","10","10","1") = "9"
    & skf18("8","3","8","1","1","1","1") = "7"
    & skf18("8","3","8","1","1","2","1") = "7"
    & skf18("8","3","8","1","1","3","1") = "7"
    & skf18("8","3","8","1","1","4","1") = "7"
    & skf18("8","3","8","1","1","5","1") = "7"
    & skf18("8","3","8","1","1","6","1") = "7"
    & skf18("8","3","8","1","1","7","1") = "7"
    & skf18("8","3","8","1","1","8","1") = "7"
    & skf18("8","3","8","1","1","9","1") = "8"
    & skf18("8","3","8","1","1","10","1") = "9"
    & skf18("8","3","8","1","2","1","1") = "7"
    & skf18("8","3","8","1","2","2","1") = "7"
    & skf18("8","3","8","1","2","3","1") = "7"
    & skf18("8","3","8","1","2","4","1") = "7"
    & skf18("8","3","8","1","2","5","1") = "7"
    & skf18("8","3","8","1","2","6","1") = "7"
    & skf18("8","3","8","1","2","7","1") = "7"
    & skf18("8","3","8","1","2","8","1") = "7"
    & skf18("8","3","8","1","2","9","1") = "8"
    & skf18("8","3","8","1","2","10","1") = "9"
    & skf18("8","3","8","1","3","1","1") = "7"
    & skf18("8","3","8","1","3","2","1") = "7"
    & skf18("8","3","8","1","3","3","1") = "7"
    & skf18("8","3","8","1","3","4","1") = "7"
    & skf18("8","3","8","1","3","5","1") = "7"
    & skf18("8","3","8","1","3","6","1") = "7"
    & skf18("8","3","8","1","3","7","1") = "7"
    & skf18("8","3","8","1","3","8","1") = "7"
    & skf18("8","3","8","1","3","9","1") = "8"
    & skf18("8","3","8","1","3","10","1") = "9"
    & skf18("8","3","8","1","4","1","1") = "7"
    & skf18("8","3","8","1","4","2","1") = "7"
    & skf18("8","3","8","1","4","3","1") = "7"
    & skf18("8","3","8","1","4","4","1") = "7"
    & skf18("8","3","8","1","4","5","1") = "7"
    & skf18("8","3","8","1","4","6","1") = "7"
    & skf18("8","3","8","1","4","7","1") = "7"
    & skf18("8","3","8","1","4","8","1") = "7"
    & skf18("8","3","8","1","4","9","1") = "8"
    & skf18("8","3","8","1","4","10","1") = "9"
    & skf18("8","3","8","1","5","1","1") = "7"
    & skf18("8","3","8","1","5","2","1") = "7"
    & skf18("8","3","8","1","5","3","1") = "7"
    & skf18("8","3","8","1","5","4","1") = "7"
    & skf18("8","3","8","1","5","5","1") = "7"
    & skf18("8","3","8","1","5","6","1") = "7"
    & skf18("8","3","8","1","5","7","1") = "7"
    & skf18("8","3","8","1","5","8","1") = "7"
    & skf18("8","3","8","1","5","9","1") = "8"
    & skf18("8","3","8","1","5","10","1") = "9"
    & skf18("8","3","8","1","6","1","1") = "7"
    & skf18("8","3","8","1","6","2","1") = "7"
    & skf18("8","3","8","1","6","3","1") = "7"
    & skf18("8","3","8","1","6","4","1") = "7"
    & skf18("8","3","8","1","6","5","1") = "7"
    & skf18("8","3","8","1","6","6","1") = "7"
    & skf18("8","3","8","1","6","7","1") = "7"
    & skf18("8","3","8","1","6","8","1") = "7"
    & skf18("8","3","8","1","6","9","1") = "8"
    & skf18("8","3","8","1","6","10","1") = "9"
    & skf18("8","3","8","1","7","1","1") = "7"
    & skf18("8","3","8","1","7","2","1") = "7"
    & skf18("8","3","8","1","7","3","1") = "7"
    & skf18("8","3","8","1","7","4","1") = "7"
    & skf18("8","3","8","1","7","5","1") = "7"
    & skf18("8","3","8","1","7","6","1") = "7"
    & skf18("8","3","8","1","7","7","1") = "7"
    & skf18("8","3","8","1","7","8","1") = "7"
    & skf18("8","3","8","1","7","9","1") = "8"
    & skf18("8","3","8","1","7","10","1") = "9"
    & skf18("8","3","8","1","8","1","1") = "7"
    & skf18("8","3","8","1","8","2","1") = "7"
    & skf18("8","3","8","1","8","3","1") = "7"
    & skf18("8","3","8","1","8","4","1") = "7"
    & skf18("8","3","8","1","8","5","1") = "7"
    & skf18("8","3","8","1","8","6","1") = "7"
    & skf18("8","3","8","1","8","7","1") = "7"
    & skf18("8","3","8","1","8","8","1") = "7"
    & skf18("8","3","8","1","8","9","1") = "8"
    & skf18("8","3","8","1","8","10","1") = "9"
    & skf18("8","3","8","1","9","1","1") = "8"
    & skf18("8","3","8","1","9","2","1") = "8"
    & skf18("8","3","8","1","9","3","1") = "8"
    & skf18("8","3","8","1","9","4","1") = "8"
    & skf18("8","3","8","1","9","5","1") = "8"
    & skf18("8","3","8","1","9","6","1") = "8"
    & skf18("8","3","8","1","9","7","1") = "8"
    & skf18("8","3","8","1","9","8","1") = "8"
    & skf18("8","3","8","1","9","9","1") = "8"
    & skf18("8","3","8","1","9","10","1") = "9"
    & skf18("8","3","8","1","10","1","1") = "9"
    & skf18("8","3","8","1","10","2","1") = "9"
    & skf18("8","3","8","1","10","3","1") = "9"
    & skf18("8","3","8","1","10","4","1") = "9"
    & skf18("8","3","8","1","10","5","1") = "9"
    & skf18("8","3","8","1","10","6","1") = "9"
    & skf18("8","3","8","1","10","7","1") = "9"
    & skf18("8","3","8","1","10","8","1") = "9"
    & skf18("8","3","8","1","10","9","1") = "9"
    & skf18("8","3","8","1","10","10","1") = "9"
    & skf18("8","3","8","2","1","1","1") = "7"
    & skf18("8","3","8","2","1","2","1") = "7"
    & skf18("8","3","8","2","1","3","1") = "7"
    & skf18("8","3","8","2","1","4","1") = "7"
    & skf18("8","3","8","2","1","5","1") = "7"
    & skf18("8","3","8","2","1","6","1") = "7"
    & skf18("8","3","8","2","1","7","1") = "7"
    & skf18("8","3","8","2","1","8","1") = "7"
    & skf18("8","3","8","2","1","9","1") = "8"
    & skf18("8","3","8","2","1","10","1") = "9"
    & skf18("8","3","8","2","2","1","1") = "7"
    & skf18("8","3","8","2","2","2","1") = "7"
    & skf18("8","3","8","2","2","3","1") = "7"
    & skf18("8","3","8","2","2","4","1") = "7"
    & skf18("8","3","8","2","2","5","1") = "7"
    & skf18("8","3","8","2","2","6","1") = "7"
    & skf18("8","3","8","2","2","7","1") = "7"
    & skf18("8","3","8","2","2","8","1") = "7"
    & skf18("8","3","8","2","2","9","1") = "8"
    & skf18("8","3","8","2","2","10","1") = "9"
    & skf18("8","3","8","2","3","1","1") = "7"
    & skf18("8","3","8","2","3","2","1") = "7"
    & skf18("8","3","8","2","3","3","1") = "7"
    & skf18("8","3","8","2","3","4","1") = "7"
    & skf18("8","3","8","2","3","5","1") = "7"
    & skf18("8","3","8","2","3","6","1") = "7"
    & skf18("8","3","8","2","3","7","1") = "7"
    & skf18("8","3","8","2","3","8","1") = "7"
    & skf18("8","3","8","2","3","9","1") = "8"
    & skf18("8","3","8","2","3","10","1") = "9"
    & skf18("8","3","8","2","4","1","1") = "7"
    & skf18("8","3","8","2","4","2","1") = "7"
    & skf18("8","3","8","2","4","3","1") = "7"
    & skf18("8","3","8","2","4","4","1") = "7"
    & skf18("8","3","8","2","4","5","1") = "7"
    & skf18("8","3","8","2","4","6","1") = "7"
    & skf18("8","3","8","2","4","7","1") = "7"
    & skf18("8","3","8","2","4","8","1") = "7"
    & skf18("8","3","8","2","4","9","1") = "8"
    & skf18("8","3","8","2","4","10","1") = "9"
    & skf18("8","3","8","2","5","1","1") = "7"
    & skf18("8","3","8","2","5","2","1") = "7"
    & skf18("8","3","8","2","5","3","1") = "7"
    & skf18("8","3","8","2","5","4","1") = "7"
    & skf18("8","3","8","2","5","5","1") = "7"
    & skf18("8","3","8","2","5","6","1") = "7"
    & skf18("8","3","8","2","5","7","1") = "7"
    & skf18("8","3","8","2","5","8","1") = "7"
    & skf18("8","3","8","2","5","9","1") = "8"
    & skf18("8","3","8","2","5","10","1") = "9"
    & skf18("8","3","8","2","6","1","1") = "7"
    & skf18("8","3","8","2","6","2","1") = "7"
    & skf18("8","3","8","2","6","3","1") = "7"
    & skf18("8","3","8","2","6","4","1") = "7"
    & skf18("8","3","8","2","6","5","1") = "7"
    & skf18("8","3","8","2","6","6","1") = "7"
    & skf18("8","3","8","2","6","7","1") = "7"
    & skf18("8","3","8","2","6","8","1") = "7"
    & skf18("8","3","8","2","6","9","1") = "8"
    & skf18("8","3","8","2","6","10","1") = "9"
    & skf18("8","3","8","2","7","1","1") = "7"
    & skf18("8","3","8","2","7","2","1") = "7"
    & skf18("8","3","8","2","7","3","1") = "7"
    & skf18("8","3","8","2","7","4","1") = "7"
    & skf18("8","3","8","2","7","5","1") = "7"
    & skf18("8","3","8","2","7","6","1") = "7"
    & skf18("8","3","8","2","7","7","1") = "7"
    & skf18("8","3","8","2","7","8","1") = "7"
    & skf18("8","3","8","2","7","9","1") = "8"
    & skf18("8","3","8","2","7","10","1") = "9"
    & skf18("8","3","8","2","8","1","1") = "7"
    & skf18("8","3","8","2","8","2","1") = "7"
    & skf18("8","3","8","2","8","3","1") = "7"
    & skf18("8","3","8","2","8","4","1") = "7"
    & skf18("8","3","8","2","8","5","1") = "7"
    & skf18("8","3","8","2","8","6","1") = "7"
    & skf18("8","3","8","2","8","7","1") = "7"
    & skf18("8","3","8","2","8","8","1") = "7"
    & skf18("8","3","8","2","8","9","1") = "8"
    & skf18("8","3","8","2","8","10","1") = "9"
    & skf18("8","3","8","2","9","1","1") = "8"
    & skf18("8","3","8","2","9","2","1") = "8"
    & skf18("8","3","8","2","9","3","1") = "8"
    & skf18("8","3","8","2","9","4","1") = "8"
    & skf18("8","3","8","2","9","5","1") = "8"
    & skf18("8","3","8","2","9","6","1") = "8"
    & skf18("8","3","8","2","9","7","1") = "8"
    & skf18("8","3","8","2","9","8","1") = "8"
    & skf18("8","3","8","2","9","9","1") = "8"
    & skf18("8","3","8","2","9","10","1") = "9"
    & skf18("8","3","8","2","10","1","1") = "9"
    & skf18("8","3","8","2","10","2","1") = "9"
    & skf18("8","3","8","2","10","3","1") = "9"
    & skf18("8","3","8","2","10","4","1") = "9"
    & skf18("8","3","8","2","10","5","1") = "9"
    & skf18("8","3","8","2","10","6","1") = "9"
    & skf18("8","3","8","2","10","7","1") = "9"
    & skf18("8","3","8","2","10","8","1") = "9"
    & skf18("8","3","8","2","10","9","1") = "9"
    & skf18("8","3","8","2","10","10","1") = "9"
    & skf18("8","3","8","3","1","1","1") = "7"
    & skf18("8","3","8","3","1","2","1") = "7"
    & skf18("8","3","8","3","1","3","1") = "7"
    & skf18("8","3","8","3","1","4","1") = "7"
    & skf18("8","3","8","3","1","5","1") = "7"
    & skf18("8","3","8","3","1","6","1") = "7"
    & skf18("8","3","8","3","1","7","1") = "7"
    & skf18("8","3","8","3","1","8","1") = "7"
    & skf18("8","3","8","3","1","9","1") = "8"
    & skf18("8","3","8","3","1","10","1") = "9"
    & skf18("8","3","8","3","2","1","1") = "7"
    & skf18("8","3","8","3","2","2","1") = "7"
    & skf18("8","3","8","3","2","3","1") = "7"
    & skf18("8","3","8","3","2","4","1") = "7"
    & skf18("8","3","8","3","2","5","1") = "7"
    & skf18("8","3","8","3","2","6","1") = "7"
    & skf18("8","3","8","3","2","7","1") = "7"
    & skf18("8","3","8","3","2","8","1") = "7"
    & skf18("8","3","8","3","2","9","1") = "8"
    & skf18("8","3","8","3","2","10","1") = "9"
    & skf18("8","3","8","3","3","1","1") = "7"
    & skf18("8","3","8","3","3","2","1") = "7"
    & skf18("8","3","8","3","3","3","1") = "7"
    & skf18("8","3","8","3","3","4","1") = "7"
    & skf18("8","3","8","3","3","5","1") = "7"
    & skf18("8","3","8","3","3","6","1") = "7"
    & skf18("8","3","8","3","3","7","1") = "7"
    & skf18("8","3","8","3","3","8","1") = "7"
    & skf18("8","3","8","3","3","9","1") = "8"
    & skf18("8","3","8","3","3","10","1") = "9"
    & skf18("8","3","8","3","4","1","1") = "7"
    & skf18("8","3","8","3","4","2","1") = "7"
    & skf18("8","3","8","3","4","3","1") = "7"
    & skf18("8","3","8","3","4","4","1") = "7"
    & skf18("8","3","8","3","4","5","1") = "7"
    & skf18("8","3","8","3","4","6","1") = "7"
    & skf18("8","3","8","3","4","7","1") = "7"
    & skf18("8","3","8","3","4","8","1") = "7"
    & skf18("8","3","8","3","4","9","1") = "8"
    & skf18("8","3","8","3","4","10","1") = "9"
    & skf18("8","3","8","3","5","1","1") = "7"
    & skf18("8","3","8","3","5","2","1") = "7"
    & skf18("8","3","8","3","5","3","1") = "7"
    & skf18("8","3","8","3","5","4","1") = "7"
    & skf18("8","3","8","3","5","5","1") = "7"
    & skf18("8","3","8","3","5","6","1") = "7"
    & skf18("8","3","8","3","5","7","1") = "7"
    & skf18("8","3","8","3","5","8","1") = "7"
    & skf18("8","3","8","3","5","9","1") = "8"
    & skf18("8","3","8","3","5","10","1") = "9"
    & skf18("8","3","8","3","6","1","1") = "7"
    & skf18("8","3","8","3","6","2","1") = "7"
    & skf18("8","3","8","3","6","3","1") = "7"
    & skf18("8","3","8","3","6","4","1") = "7"
    & skf18("8","3","8","3","6","5","1") = "7"
    & skf18("8","3","8","3","6","6","1") = "7"
    & skf18("8","3","8","3","6","7","1") = "7"
    & skf18("8","3","8","3","6","8","1") = "7"
    & skf18("8","3","8","3","6","9","1") = "8"
    & skf18("8","3","8","3","6","10","1") = "9"
    & skf18("8","3","8","3","7","1","1") = "7"
    & skf18("8","3","8","3","7","2","1") = "7"
    & skf18("8","3","8","3","7","3","1") = "7"
    & skf18("8","3","8","3","7","4","1") = "7"
    & skf18("8","3","8","3","7","5","1") = "7"
    & skf18("8","3","8","3","7","6","1") = "7"
    & skf18("8","3","8","3","7","7","1") = "7"
    & skf18("8","3","8","3","7","8","1") = "7"
    & skf18("8","3","8","3","7","9","1") = "8"
    & skf18("8","3","8","3","7","10","1") = "9"
    & skf18("8","3","8","3","8","1","1") = "7"
    & skf18("8","3","8","3","8","2","1") = "7"
    & skf18("8","3","8","3","8","3","1") = "7"
    & skf18("8","3","8","3","8","4","1") = "7"
    & skf18("8","3","8","3","8","5","1") = "7"
    & skf18("8","3","8","3","8","6","1") = "7"
    & skf18("8","3","8","3","8","7","1") = "7"
    & skf18("8","3","8","3","8","8","1") = "7"
    & skf18("8","3","8","3","8","9","1") = "8"
    & skf18("8","3","8","3","8","10","1") = "9"
    & skf18("8","3","8","3","9","1","1") = "8"
    & skf18("8","3","8","3","9","2","1") = "8"
    & skf18("8","3","8","3","9","3","1") = "8"
    & skf18("8","3","8","3","9","4","1") = "8"
    & skf18("8","3","8","3","9","5","1") = "8"
    & skf18("8","3","8","3","9","6","1") = "8"
    & skf18("8","3","8","3","9","7","1") = "8"
    & skf18("8","3","8","3","9","8","1") = "8"
    & skf18("8","3","8","3","9","9","1") = "8"
    & skf18("8","3","8","3","9","10","1") = "9"
    & skf18("8","3","8","3","10","1","1") = "9"
    & skf18("8","3","8","3","10","2","1") = "9"
    & skf18("8","3","8","3","10","3","1") = "9"
    & skf18("8","3","8","3","10","4","1") = "9"
    & skf18("8","3","8","3","10","5","1") = "9"
    & skf18("8","3","8","3","10","6","1") = "9"
    & skf18("8","3","8","3","10","7","1") = "9"
    & skf18("8","3","8","3","10","8","1") = "9"
    & skf18("8","3","8","3","10","9","1") = "9"
    & skf18("8","3","8","3","10","10","1") = "9"
    & skf18("8","3","8","4","1","1","1") = "7"
    & skf18("8","3","8","4","1","2","1") = "7"
    & skf18("8","3","8","4","1","3","1") = "7"
    & skf18("8","3","8","4","1","4","1") = "7"
    & skf18("8","3","8","4","1","5","1") = "7"
    & skf18("8","3","8","4","1","6","1") = "7"
    & skf18("8","3","8","4","1","7","1") = "7"
    & skf18("8","3","8","4","1","8","1") = "7"
    & skf18("8","3","8","4","1","9","1") = "8"
    & skf18("8","3","8","4","1","10","1") = "9"
    & skf18("8","3","8","4","2","1","1") = "7"
    & skf18("8","3","8","4","2","2","1") = "7"
    & skf18("8","3","8","4","2","3","1") = "7"
    & skf18("8","3","8","4","2","4","1") = "7"
    & skf18("8","3","8","4","2","5","1") = "7"
    & skf18("8","3","8","4","2","6","1") = "7"
    & skf18("8","3","8","4","2","7","1") = "7"
    & skf18("8","3","8","4","2","8","1") = "7"
    & skf18("8","3","8","4","2","9","1") = "8"
    & skf18("8","3","8","4","2","10","1") = "9"
    & skf18("8","3","8","4","3","1","1") = "7"
    & skf18("8","3","8","4","3","2","1") = "7"
    & skf18("8","3","8","4","3","3","1") = "7"
    & skf18("8","3","8","4","3","4","1") = "7"
    & skf18("8","3","8","4","3","5","1") = "7"
    & skf18("8","3","8","4","3","6","1") = "7"
    & skf18("8","3","8","4","3","7","1") = "7"
    & skf18("8","3","8","4","3","8","1") = "7"
    & skf18("8","3","8","4","3","9","1") = "8"
    & skf18("8","3","8","4","3","10","1") = "9"
    & skf18("8","3","8","4","4","1","1") = "7"
    & skf18("8","3","8","4","4","2","1") = "7"
    & skf18("8","3","8","4","4","3","1") = "7"
    & skf18("8","3","8","4","4","4","1") = "7"
    & skf18("8","3","8","4","4","5","1") = "7"
    & skf18("8","3","8","4","4","6","1") = "7"
    & skf18("8","3","8","4","4","7","1") = "7"
    & skf18("8","3","8","4","4","8","1") = "7"
    & skf18("8","3","8","4","4","9","1") = "8"
    & skf18("8","3","8","4","4","10","1") = "9"
    & skf18("8","3","8","4","5","1","1") = "7"
    & skf18("8","3","8","4","5","2","1") = "7"
    & skf18("8","3","8","4","5","3","1") = "7"
    & skf18("8","3","8","4","5","4","1") = "7"
    & skf18("8","3","8","4","5","5","1") = "7"
    & skf18("8","3","8","4","5","6","1") = "7"
    & skf18("8","3","8","4","5","7","1") = "7"
    & skf18("8","3","8","4","5","8","1") = "7"
    & skf18("8","3","8","4","5","9","1") = "8"
    & skf18("8","3","8","4","5","10","1") = "9"
    & skf18("8","3","8","4","6","1","1") = "7"
    & skf18("8","3","8","4","6","2","1") = "7"
    & skf18("8","3","8","4","6","3","1") = "7"
    & skf18("8","3","8","4","6","4","1") = "7"
    & skf18("8","3","8","4","6","5","1") = "7"
    & skf18("8","3","8","4","6","6","1") = "7"
    & skf18("8","3","8","4","6","7","1") = "7"
    & skf18("8","3","8","4","6","8","1") = "7"
    & skf18("8","3","8","4","6","9","1") = "8"
    & skf18("8","3","8","4","6","10","1") = "9"
    & skf18("8","3","8","4","7","1","1") = "7"
    & skf18("8","3","8","4","7","2","1") = "7"
    & skf18("8","3","8","4","7","3","1") = "7"
    & skf18("8","3","8","4","7","4","1") = "7"
    & skf18("8","3","8","4","7","5","1") = "7"
    & skf18("8","3","8","4","7","6","1") = "7"
    & skf18("8","3","8","4","7","7","1") = "7"
    & skf18("8","3","8","4","7","8","1") = "7"
    & skf18("8","3","8","4","7","9","1") = "8"
    & skf18("8","3","8","4","7","10","1") = "9"
    & skf18("8","3","8","4","8","1","1") = "7"
    & skf18("8","3","8","4","8","2","1") = "7"
    & skf18("8","3","8","4","8","3","1") = "7"
    & skf18("8","3","8","4","8","4","1") = "7"
    & skf18("8","3","8","4","8","5","1") = "7"
    & skf18("8","3","8","4","8","6","1") = "7"
    & skf18("8","3","8","4","8","7","1") = "7"
    & skf18("8","3","8","4","8","8","1") = "7"
    & skf18("8","3","8","4","8","9","1") = "8"
    & skf18("8","3","8","4","8","10","1") = "9"
    & skf18("8","3","8","4","9","1","1") = "8"
    & skf18("8","3","8","4","9","2","1") = "8"
    & skf18("8","3","8","4","9","3","1") = "8"
    & skf18("8","3","8","4","9","4","1") = "8"
    & skf18("8","3","8","4","9","5","1") = "8"
    & skf18("8","3","8","4","9","6","1") = "8"
    & skf18("8","3","8","4","9","7","1") = "8"
    & skf18("8","3","8","4","9","8","1") = "8"
    & skf18("8","3","8","4","9","9","1") = "8"
    & skf18("8","3","8","4","9","10","1") = "9"
    & skf18("8","3","8","4","10","1","1") = "9"
    & skf18("8","3","8","4","10","2","1") = "9"
    & skf18("8","3","8","4","10","3","1") = "9"
    & skf18("8","3","8","4","10","4","1") = "9"
    & skf18("8","3","8","4","10","5","1") = "9"
    & skf18("8","3","8","4","10","6","1") = "9"
    & skf18("8","3","8","4","10","7","1") = "9"
    & skf18("8","3","8","4","10","8","1") = "9"
    & skf18("8","3","8","4","10","9","1") = "9"
    & skf18("8","3","8","4","10","10","1") = "9"
    & skf18("8","3","8","5","1","1","1") = "7"
    & skf18("8","3","8","5","1","2","1") = "7"
    & skf18("8","3","8","5","1","3","1") = "7"
    & skf18("8","3","8","5","1","4","1") = "7"
    & skf18("8","3","8","5","1","5","1") = "7"
    & skf18("8","3","8","5","1","6","1") = "7"
    & skf18("8","3","8","5","1","7","1") = "7"
    & skf18("8","3","8","5","1","8","1") = "7"
    & skf18("8","3","8","5","1","9","1") = "8"
    & skf18("8","3","8","5","1","10","1") = "9"
    & skf18("8","3","8","5","2","1","1") = "7"
    & skf18("8","3","8","5","2","2","1") = "7"
    & skf18("8","3","8","5","2","3","1") = "7"
    & skf18("8","3","8","5","2","4","1") = "7"
    & skf18("8","3","8","5","2","5","1") = "7"
    & skf18("8","3","8","5","2","6","1") = "7"
    & skf18("8","3","8","5","2","7","1") = "7"
    & skf18("8","3","8","5","2","8","1") = "7"
    & skf18("8","3","8","5","2","9","1") = "8"
    & skf18("8","3","8","5","2","10","1") = "9"
    & skf18("8","3","8","5","3","1","1") = "7"
    & skf18("8","3","8","5","3","2","1") = "7"
    & skf18("8","3","8","5","3","3","1") = "7"
    & skf18("8","3","8","5","3","4","1") = "7"
    & skf18("8","3","8","5","3","5","1") = "7"
    & skf18("8","3","8","5","3","6","1") = "7"
    & skf18("8","3","8","5","3","7","1") = "7"
    & skf18("8","3","8","5","3","8","1") = "7"
    & skf18("8","3","8","5","3","9","1") = "8"
    & skf18("8","3","8","5","3","10","1") = "9"
    & skf18("8","3","8","5","4","1","1") = "7"
    & skf18("8","3","8","5","4","2","1") = "7"
    & skf18("8","3","8","5","4","3","1") = "7"
    & skf18("8","3","8","5","4","4","1") = "7"
    & skf18("8","3","8","5","4","5","1") = "7"
    & skf18("8","3","8","5","4","6","1") = "7"
    & skf18("8","3","8","5","4","7","1") = "7"
    & skf18("8","3","8","5","4","8","1") = "7"
    & skf18("8","3","8","5","4","9","1") = "8"
    & skf18("8","3","8","5","4","10","1") = "9"
    & skf18("8","3","8","5","5","1","1") = "7"
    & skf18("8","3","8","5","5","2","1") = "7"
    & skf18("8","3","8","5","5","3","1") = "7"
    & skf18("8","3","8","5","5","4","1") = "7"
    & skf18("8","3","8","5","5","5","1") = "7"
    & skf18("8","3","8","5","5","6","1") = "7"
    & skf18("8","3","8","5","5","7","1") = "7"
    & skf18("8","3","8","5","5","8","1") = "7"
    & skf18("8","3","8","5","5","9","1") = "8"
    & skf18("8","3","8","5","5","10","1") = "9"
    & skf18("8","3","8","5","6","1","1") = "7"
    & skf18("8","3","8","5","6","2","1") = "7"
    & skf18("8","3","8","5","6","3","1") = "7"
    & skf18("8","3","8","5","6","4","1") = "7"
    & skf18("8","3","8","5","6","5","1") = "7"
    & skf18("8","3","8","5","6","6","1") = "7"
    & skf18("8","3","8","5","6","7","1") = "7"
    & skf18("8","3","8","5","6","8","1") = "7"
    & skf18("8","3","8","5","6","9","1") = "8"
    & skf18("8","3","8","5","6","10","1") = "9"
    & skf18("8","3","8","5","7","1","1") = "7"
    & skf18("8","3","8","5","7","2","1") = "7"
    & skf18("8","3","8","5","7","3","1") = "7"
    & skf18("8","3","8","5","7","4","1") = "7"
    & skf18("8","3","8","5","7","5","1") = "7"
    & skf18("8","3","8","5","7","6","1") = "7"
    & skf18("8","3","8","5","7","7","1") = "7"
    & skf18("8","3","8","5","7","8","1") = "7"
    & skf18("8","3","8","5","7","9","1") = "8"
    & skf18("8","3","8","5","7","10","1") = "9"
    & skf18("8","3","8","5","8","1","1") = "7"
    & skf18("8","3","8","5","8","2","1") = "7"
    & skf18("8","3","8","5","8","3","1") = "7"
    & skf18("8","3","8","5","8","4","1") = "7"
    & skf18("8","3","8","5","8","5","1") = "7"
    & skf18("8","3","8","5","8","6","1") = "7"
    & skf18("8","3","8","5","8","7","1") = "7"
    & skf18("8","3","8","5","8","8","1") = "7"
    & skf18("8","3","8","5","8","9","1") = "8"
    & skf18("8","3","8","5","8","10","1") = "9"
    & skf18("8","3","8","5","9","1","1") = "8"
    & skf18("8","3","8","5","9","2","1") = "8"
    & skf18("8","3","8","5","9","3","1") = "8"
    & skf18("8","3","8","5","9","4","1") = "8"
    & skf18("8","3","8","5","9","5","1") = "8"
    & skf18("8","3","8","5","9","6","1") = "8"
    & skf18("8","3","8","5","9","7","1") = "8"
    & skf18("8","3","8","5","9","8","1") = "8"
    & skf18("8","3","8","5","9","9","1") = "8"
    & skf18("8","3","8","5","9","10","1") = "9"
    & skf18("8","3","8","5","10","1","1") = "9"
    & skf18("8","3","8","5","10","2","1") = "9"
    & skf18("8","3","8","5","10","3","1") = "9"
    & skf18("8","3","8","5","10","4","1") = "9"
    & skf18("8","3","8","5","10","5","1") = "9"
    & skf18("8","3","8","5","10","6","1") = "9"
    & skf18("8","3","8","5","10","7","1") = "9"
    & skf18("8","3","8","5","10","8","1") = "9"
    & skf18("8","3","8","5","10","9","1") = "9"
    & skf18("8","3","8","5","10","10","1") = "9"
    & skf18("8","3","8","6","1","1","1") = "7"
    & skf18("8","3","8","6","1","2","1") = "7"
    & skf18("8","3","8","6","1","3","1") = "7"
    & skf18("8","3","8","6","1","4","1") = "7"
    & skf18("8","3","8","6","1","5","1") = "7"
    & skf18("8","3","8","6","1","6","1") = "7"
    & skf18("8","3","8","6","1","7","1") = "7"
    & skf18("8","3","8","6","1","8","1") = "7"
    & skf18("8","3","8","6","1","9","1") = "8"
    & skf18("8","3","8","6","1","10","1") = "9"
    & skf18("8","3","8","6","2","1","1") = "7"
    & skf18("8","3","8","6","2","2","1") = "7"
    & skf18("8","3","8","6","2","3","1") = "7"
    & skf18("8","3","8","6","2","4","1") = "7"
    & skf18("8","3","8","6","2","5","1") = "7"
    & skf18("8","3","8","6","2","6","1") = "7"
    & skf18("8","3","8","6","2","7","1") = "7"
    & skf18("8","3","8","6","2","8","1") = "7"
    & skf18("8","3","8","6","2","9","1") = "8"
    & skf18("8","3","8","6","2","10","1") = "9"
    & skf18("8","3","8","6","3","1","1") = "7"
    & skf18("8","3","8","6","3","2","1") = "7"
    & skf18("8","3","8","6","3","3","1") = "7"
    & skf18("8","3","8","6","3","4","1") = "7"
    & skf18("8","3","8","6","3","5","1") = "7"
    & skf18("8","3","8","6","3","6","1") = "7"
    & skf18("8","3","8","6","3","7","1") = "7"
    & skf18("8","3","8","6","3","8","1") = "7"
    & skf18("8","3","8","6","3","9","1") = "8"
    & skf18("8","3","8","6","3","10","1") = "9"
    & skf18("8","3","8","6","4","1","1") = "7"
    & skf18("8","3","8","6","4","2","1") = "7"
    & skf18("8","3","8","6","4","3","1") = "7"
    & skf18("8","3","8","6","4","4","1") = "7"
    & skf18("8","3","8","6","4","5","1") = "7"
    & skf18("8","3","8","6","4","6","1") = "7"
    & skf18("8","3","8","6","4","7","1") = "7"
    & skf18("8","3","8","6","4","8","1") = "7"
    & skf18("8","3","8","6","4","9","1") = "8"
    & skf18("8","3","8","6","4","10","1") = "9"
    & skf18("8","3","8","6","5","1","1") = "7"
    & skf18("8","3","8","6","5","2","1") = "7"
    & skf18("8","3","8","6","5","3","1") = "7"
    & skf18("8","3","8","6","5","4","1") = "7"
    & skf18("8","3","8","6","5","5","1") = "7"
    & skf18("8","3","8","6","5","6","1") = "7"
    & skf18("8","3","8","6","5","7","1") = "7"
    & skf18("8","3","8","6","5","8","1") = "7"
    & skf18("8","3","8","6","5","9","1") = "8"
    & skf18("8","3","8","6","5","10","1") = "9"
    & skf18("8","3","8","6","6","1","1") = "7"
    & skf18("8","3","8","6","6","2","1") = "7"
    & skf18("8","3","8","6","6","3","1") = "7"
    & skf18("8","3","8","6","6","4","1") = "7"
    & skf18("8","3","8","6","6","5","1") = "7"
    & skf18("8","3","8","6","6","6","1") = "7"
    & skf18("8","3","8","6","6","7","1") = "7"
    & skf18("8","3","8","6","6","8","1") = "7"
    & skf18("8","3","8","6","6","9","1") = "8"
    & skf18("8","3","8","6","6","10","1") = "9"
    & skf18("8","3","8","6","7","1","1") = "7"
    & skf18("8","3","8","6","7","2","1") = "7"
    & skf18("8","3","8","6","7","3","1") = "7"
    & skf18("8","3","8","6","7","4","1") = "7"
    & skf18("8","3","8","6","7","5","1") = "7"
    & skf18("8","3","8","6","7","6","1") = "7"
    & skf18("8","3","8","6","7","7","1") = "7"
    & skf18("8","3","8","6","7","8","1") = "7"
    & skf18("8","3","8","6","7","9","1") = "8"
    & skf18("8","3","8","6","7","10","1") = "9"
    & skf18("8","3","8","6","8","1","1") = "7"
    & skf18("8","3","8","6","8","2","1") = "7"
    & skf18("8","3","8","6","8","3","1") = "7"
    & skf18("8","3","8","6","8","4","1") = "7"
    & skf18("8","3","8","6","8","5","1") = "7"
    & skf18("8","3","8","6","8","6","1") = "7"
    & skf18("8","3","8","6","8","7","1") = "7"
    & skf18("8","3","8","6","8","8","1") = "7"
    & skf18("8","3","8","6","8","9","1") = "8"
    & skf18("8","3","8","6","8","10","1") = "9"
    & skf18("8","3","8","6","9","1","1") = "8"
    & skf18("8","3","8","6","9","2","1") = "8"
    & skf18("8","3","8","6","9","3","1") = "8"
    & skf18("8","3","8","6","9","4","1") = "8"
    & skf18("8","3","8","6","9","5","1") = "8"
    & skf18("8","3","8","6","9","6","1") = "8"
    & skf18("8","3","8","6","9","7","1") = "8"
    & skf18("8","3","8","6","9","8","1") = "8"
    & skf18("8","3","8","6","9","9","1") = "8"
    & skf18("8","3","8","6","9","10","1") = "9"
    & skf18("8","3","8","6","10","1","1") = "9"
    & skf18("8","3","8","6","10","2","1") = "9"
    & skf18("8","3","8","6","10","3","1") = "9"
    & skf18("8","3","8","6","10","4","1") = "9"
    & skf18("8","3","8","6","10","5","1") = "9"
    & skf18("8","3","8","6","10","6","1") = "9"
    & skf18("8","3","8","6","10","7","1") = "9"
    & skf18("8","3","8","6","10","8","1") = "9"
    & skf18("8","3","8","6","10","9","1") = "9"
    & skf18("8","3","8","6","10","10","1") = "9"
    & skf18("8","3","8","7","1","1","1") = "7"
    & skf18("8","3","8","7","1","2","1") = "7"
    & skf18("8","3","8","7","1","3","1") = "7"
    & skf18("8","3","8","7","1","4","1") = "7"
    & skf18("8","3","8","7","1","5","1") = "7"
    & skf18("8","3","8","7","1","6","1") = "7"
    & skf18("8","3","8","7","1","7","1") = "7"
    & skf18("8","3","8","7","1","8","1") = "7"
    & skf18("8","3","8","7","1","9","1") = "8"
    & skf18("8","3","8","7","1","10","1") = "9"
    & skf18("8","3","8","7","2","1","1") = "7"
    & skf18("8","3","8","7","2","2","1") = "7"
    & skf18("8","3","8","7","2","3","1") = "7"
    & skf18("8","3","8","7","2","4","1") = "7"
    & skf18("8","3","8","7","2","5","1") = "7"
    & skf18("8","3","8","7","2","6","1") = "7"
    & skf18("8","3","8","7","2","7","1") = "7"
    & skf18("8","3","8","7","2","8","1") = "7"
    & skf18("8","3","8","7","2","9","1") = "8"
    & skf18("8","3","8","7","2","10","1") = "9"
    & skf18("8","3","8","7","3","1","1") = "7"
    & skf18("8","3","8","7","3","2","1") = "7"
    & skf18("8","3","8","7","3","3","1") = "7"
    & skf18("8","3","8","7","3","4","1") = "7"
    & skf18("8","3","8","7","3","5","1") = "7"
    & skf18("8","3","8","7","3","6","1") = "7"
    & skf18("8","3","8","7","3","7","1") = "7"
    & skf18("8","3","8","7","3","8","1") = "7"
    & skf18("8","3","8","7","3","9","1") = "8"
    & skf18("8","3","8","7","3","10","1") = "9"
    & skf18("8","3","8","7","4","1","1") = "7"
    & skf18("8","3","8","7","4","2","1") = "7"
    & skf18("8","3","8","7","4","3","1") = "7"
    & skf18("8","3","8","7","4","4","1") = "7"
    & skf18("8","3","8","7","4","5","1") = "7"
    & skf18("8","3","8","7","4","6","1") = "7"
    & skf18("8","3","8","7","4","7","1") = "7"
    & skf18("8","3","8","7","4","8","1") = "7"
    & skf18("8","3","8","7","4","9","1") = "8"
    & skf18("8","3","8","7","4","10","1") = "9"
    & skf18("8","3","8","7","5","1","1") = "7"
    & skf18("8","3","8","7","5","2","1") = "7"
    & skf18("8","3","8","7","5","3","1") = "7"
    & skf18("8","3","8","7","5","4","1") = "7"
    & skf18("8","3","8","7","5","5","1") = "7"
    & skf18("8","3","8","7","5","6","1") = "7"
    & skf18("8","3","8","7","5","7","1") = "7"
    & skf18("8","3","8","7","5","8","1") = "7"
    & skf18("8","3","8","7","5","9","1") = "8"
    & skf18("8","3","8","7","5","10","1") = "9"
    & skf18("8","3","8","7","6","1","1") = "7"
    & skf18("8","3","8","7","6","2","1") = "7"
    & skf18("8","3","8","7","6","3","1") = "7"
    & skf18("8","3","8","7","6","4","1") = "7"
    & skf18("8","3","8","7","6","5","1") = "7"
    & skf18("8","3","8","7","6","6","1") = "7"
    & skf18("8","3","8","7","6","7","1") = "7"
    & skf18("8","3","8","7","6","8","1") = "7"
    & skf18("8","3","8","7","6","9","1") = "8"
    & skf18("8","3","8","7","6","10","1") = "9"
    & skf18("8","3","8","7","7","1","1") = "7"
    & skf18("8","3","8","7","7","2","1") = "7"
    & skf18("8","3","8","7","7","3","1") = "7"
    & skf18("8","3","8","7","7","4","1") = "7"
    & skf18("8","3","8","7","7","5","1") = "7"
    & skf18("8","3","8","7","7","6","1") = "7"
    & skf18("8","3","8","7","7","7","1") = "7"
    & skf18("8","3","8","7","7","8","1") = "7"
    & skf18("8","3","8","7","7","9","1") = "8"
    & skf18("8","3","8","7","7","10","1") = "9"
    & skf18("8","3","8","7","8","1","1") = "7"
    & skf18("8","3","8","7","8","2","1") = "7"
    & skf18("8","3","8","7","8","3","1") = "7"
    & skf18("8","3","8","7","8","4","1") = "7"
    & skf18("8","3","8","7","8","5","1") = "7"
    & skf18("8","3","8","7","8","6","1") = "7"
    & skf18("8","3","8","7","8","7","1") = "7"
    & skf18("8","3","8","7","8","8","1") = "7"
    & skf18("8","3","8","7","8","9","1") = "8"
    & skf18("8","3","8","7","8","10","1") = "9"
    & skf18("8","3","8","7","9","1","1") = "8"
    & skf18("8","3","8","7","9","2","1") = "8"
    & skf18("8","3","8","7","9","3","1") = "8"
    & skf18("8","3","8","7","9","4","1") = "8"
    & skf18("8","3","8","7","9","5","1") = "8"
    & skf18("8","3","8","7","9","6","1") = "8"
    & skf18("8","3","8","7","9","7","1") = "8"
    & skf18("8","3","8","7","9","8","1") = "8"
    & skf18("8","3","8","7","9","9","1") = "8"
    & skf18("8","3","8","7","9","10","1") = "9"
    & skf18("8","3","8","7","10","1","1") = "9"
    & skf18("8","3","8","7","10","2","1") = "9"
    & skf18("8","3","8","7","10","3","1") = "9"
    & skf18("8","3","8","7","10","4","1") = "9"
    & skf18("8","3","8","7","10","5","1") = "9"
    & skf18("8","3","8","7","10","6","1") = "9"
    & skf18("8","3","8","7","10","7","1") = "9"
    & skf18("8","3","8","7","10","8","1") = "9"
    & skf18("8","3","8","7","10","9","1") = "9"
    & skf18("8","3","8","7","10","10","1") = "9"
    & skf18("8","3","8","8","1","1","1") = "7"
    & skf18("8","3","8","8","1","2","1") = "7"
    & skf18("8","3","8","8","1","3","1") = "7"
    & skf18("8","3","8","8","1","4","1") = "7"
    & skf18("8","3","8","8","1","5","1") = "7"
    & skf18("8","3","8","8","1","6","1") = "7"
    & skf18("8","3","8","8","1","7","1") = "7"
    & skf18("8","3","8","8","1","8","1") = "7"
    & skf18("8","3","8","8","1","9","1") = "8"
    & skf18("8","3","8","8","1","10","1") = "9"
    & skf18("8","3","8","8","2","1","1") = "7"
    & skf18("8","3","8","8","2","2","1") = "7"
    & skf18("8","3","8","8","2","3","1") = "7"
    & skf18("8","3","8","8","2","4","1") = "7"
    & skf18("8","3","8","8","2","5","1") = "7"
    & skf18("8","3","8","8","2","6","1") = "7"
    & skf18("8","3","8","8","2","7","1") = "7"
    & skf18("8","3","8","8","2","8","1") = "7"
    & skf18("8","3","8","8","2","9","1") = "8"
    & skf18("8","3","8","8","2","10","1") = "9"
    & skf18("8","3","8","8","3","1","1") = "7"
    & skf18("8","3","8","8","3","2","1") = "7"
    & skf18("8","3","8","8","3","3","1") = "7"
    & skf18("8","3","8","8","3","4","1") = "7"
    & skf18("8","3","8","8","3","5","1") = "7"
    & skf18("8","3","8","8","3","6","1") = "7"
    & skf18("8","3","8","8","3","7","1") = "7"
    & skf18("8","3","8","8","3","8","1") = "7"
    & skf18("8","3","8","8","3","9","1") = "8"
    & skf18("8","3","8","8","3","10","1") = "9"
    & skf18("8","3","8","8","4","1","1") = "7"
    & skf18("8","3","8","8","4","2","1") = "7"
    & skf18("8","3","8","8","4","3","1") = "7"
    & skf18("8","3","8","8","4","4","1") = "7"
    & skf18("8","3","8","8","4","5","1") = "7"
    & skf18("8","3","8","8","4","6","1") = "7"
    & skf18("8","3","8","8","4","7","1") = "7"
    & skf18("8","3","8","8","4","8","1") = "7"
    & skf18("8","3","8","8","4","9","1") = "8"
    & skf18("8","3","8","8","4","10","1") = "9"
    & skf18("8","3","8","8","5","1","1") = "7"
    & skf18("8","3","8","8","5","2","1") = "7"
    & skf18("8","3","8","8","5","3","1") = "7"
    & skf18("8","3","8","8","5","4","1") = "7"
    & skf18("8","3","8","8","5","5","1") = "7"
    & skf18("8","3","8","8","5","6","1") = "7"
    & skf18("8","3","8","8","5","7","1") = "7"
    & skf18("8","3","8","8","5","8","1") = "7"
    & skf18("8","3","8","8","5","9","1") = "8"
    & skf18("8","3","8","8","5","10","1") = "9"
    & skf18("8","3","8","8","6","1","1") = "7"
    & skf18("8","3","8","8","6","2","1") = "7"
    & skf18("8","3","8","8","6","3","1") = "7"
    & skf18("8","3","8","8","6","4","1") = "7"
    & skf18("8","3","8","8","6","5","1") = "7"
    & skf18("8","3","8","8","6","6","1") = "7"
    & skf18("8","3","8","8","6","7","1") = "7"
    & skf18("8","3","8","8","6","8","1") = "7"
    & skf18("8","3","8","8","6","9","1") = "8"
    & skf18("8","3","8","8","6","10","1") = "9"
    & skf18("8","3","8","8","7","1","1") = "7"
    & skf18("8","3","8","8","7","2","1") = "7"
    & skf18("8","3","8","8","7","3","1") = "7"
    & skf18("8","3","8","8","7","4","1") = "7"
    & skf18("8","3","8","8","7","5","1") = "7"
    & skf18("8","3","8","8","7","6","1") = "7"
    & skf18("8","3","8","8","7","7","1") = "7"
    & skf18("8","3","8","8","7","8","1") = "7"
    & skf18("8","3","8","8","7","9","1") = "8"
    & skf18("8","3","8","8","7","10","1") = "9"
    & skf18("8","3","8","8","8","1","1") = "7"
    & skf18("8","3","8","8","8","2","1") = "7"
    & skf18("8","3","8","8","8","3","1") = "7"
    & skf18("8","3","8","8","8","4","1") = "7"
    & skf18("8","3","8","8","8","5","1") = "7"
    & skf18("8","3","8","8","8","6","1") = "7"
    & skf18("8","3","8","8","8","7","1") = "7"
    & skf18("8","3","8","8","8","8","1") = "7"
    & skf18("8","3","8","8","8","9","1") = "8"
    & skf18("8","3","8","8","8","10","1") = "9"
    & skf18("8","3","8","8","9","1","1") = "8"
    & skf18("8","3","8","8","9","2","1") = "8"
    & skf18("8","3","8","8","9","3","1") = "8"
    & skf18("8","3","8","8","9","4","1") = "8"
    & skf18("8","3","8","8","9","5","1") = "8"
    & skf18("8","3","8","8","9","6","1") = "8"
    & skf18("8","3","8","8","9","7","1") = "8"
    & skf18("8","3","8","8","9","8","1") = "8"
    & skf18("8","3","8","8","9","9","1") = "8"
    & skf18("8","3","8","8","9","10","1") = "9"
    & skf18("8","3","8","8","10","1","1") = "9"
    & skf18("8","3","8","8","10","2","1") = "9"
    & skf18("8","3","8","8","10","3","1") = "9"
    & skf18("8","3","8","8","10","4","1") = "9"
    & skf18("8","3","8","8","10","5","1") = "9"
    & skf18("8","3","8","8","10","6","1") = "9"
    & skf18("8","3","8","8","10","7","1") = "9"
    & skf18("8","3","8","8","10","8","1") = "9"
    & skf18("8","3","8","8","10","9","1") = "9"
    & skf18("8","3","8","8","10","10","1") = "9"
    & skf18("8","3","8","9","1","1","1") = "8"
    & skf18("8","3","8","9","1","2","1") = "8"
    & skf18("8","3","8","9","1","3","1") = "8"
    & skf18("8","3","8","9","1","4","1") = "8"
    & skf18("8","3","8","9","1","5","1") = "8"
    & skf18("8","3","8","9","1","6","1") = "8"
    & skf18("8","3","8","9","1","7","1") = "8"
    & skf18("8","3","8","9","1","8","1") = "8"
    & skf18("8","3","8","9","1","9","1") = "8"
    & skf18("8","3","8","9","1","10","1") = "9"
    & skf18("8","3","8","9","2","1","1") = "8"
    & skf18("8","3","8","9","2","2","1") = "8"
    & skf18("8","3","8","9","2","3","1") = "8"
    & skf18("8","3","8","9","2","4","1") = "8"
    & skf18("8","3","8","9","2","5","1") = "8"
    & skf18("8","3","8","9","2","6","1") = "8"
    & skf18("8","3","8","9","2","7","1") = "8"
    & skf18("8","3","8","9","2","8","1") = "8"
    & skf18("8","3","8","9","2","9","1") = "8"
    & skf18("8","3","8","9","2","10","1") = "9"
    & skf18("8","3","8","9","3","1","1") = "8"
    & skf18("8","3","8","9","3","2","1") = "8"
    & skf18("8","3","8","9","3","3","1") = "8"
    & skf18("8","3","8","9","3","4","1") = "8"
    & skf18("8","3","8","9","3","5","1") = "8"
    & skf18("8","3","8","9","3","6","1") = "8"
    & skf18("8","3","8","9","3","7","1") = "8"
    & skf18("8","3","8","9","3","8","1") = "8"
    & skf18("8","3","8","9","3","9","1") = "8"
    & skf18("8","3","8","9","3","10","1") = "9"
    & skf18("8","3","8","9","4","1","1") = "8"
    & skf18("8","3","8","9","4","2","1") = "8"
    & skf18("8","3","8","9","4","3","1") = "8"
    & skf18("8","3","8","9","4","4","1") = "8"
    & skf18("8","3","8","9","4","5","1") = "8"
    & skf18("8","3","8","9","4","6","1") = "8"
    & skf18("8","3","8","9","4","7","1") = "8"
    & skf18("8","3","8","9","4","8","1") = "8"
    & skf18("8","3","8","9","4","9","1") = "8"
    & skf18("8","3","8","9","4","10","1") = "9"
    & skf18("8","3","8","9","5","1","1") = "8"
    & skf18("8","3","8","9","5","2","1") = "8"
    & skf18("8","3","8","9","5","3","1") = "8"
    & skf18("8","3","8","9","5","4","1") = "8"
    & skf18("8","3","8","9","5","5","1") = "8"
    & skf18("8","3","8","9","5","6","1") = "8"
    & skf18("8","3","8","9","5","7","1") = "8"
    & skf18("8","3","8","9","5","8","1") = "8"
    & skf18("8","3","8","9","5","9","1") = "8"
    & skf18("8","3","8","9","5","10","1") = "9"
    & skf18("8","3","8","9","6","1","1") = "8"
    & skf18("8","3","8","9","6","2","1") = "8"
    & skf18("8","3","8","9","6","3","1") = "8"
    & skf18("8","3","8","9","6","4","1") = "8"
    & skf18("8","3","8","9","6","5","1") = "8"
    & skf18("8","3","8","9","6","6","1") = "8"
    & skf18("8","3","8","9","6","7","1") = "8"
    & skf18("8","3","8","9","6","8","1") = "8"
    & skf18("8","3","8","9","6","9","1") = "8"
    & skf18("8","3","8","9","6","10","1") = "9"
    & skf18("8","3","8","9","7","1","1") = "8"
    & skf18("8","3","8","9","7","2","1") = "8"
    & skf18("8","3","8","9","7","3","1") = "8"
    & skf18("8","3","8","9","7","4","1") = "8"
    & skf18("8","3","8","9","7","5","1") = "8"
    & skf18("8","3","8","9","7","6","1") = "8"
    & skf18("8","3","8","9","7","7","1") = "8"
    & skf18("8","3","8","9","7","8","1") = "8"
    & skf18("8","3","8","9","7","9","1") = "8"
    & skf18("8","3","8","9","7","10","1") = "9"
    & skf18("8","3","8","9","8","1","1") = "8"
    & skf18("8","3","8","9","8","2","1") = "8"
    & skf18("8","3","8","9","8","3","1") = "8"
    & skf18("8","3","8","9","8","4","1") = "8"
    & skf18("8","3","8","9","8","5","1") = "8"
    & skf18("8","3","8","9","8","6","1") = "8"
    & skf18("8","3","8","9","8","7","1") = "8"
    & skf18("8","3","8","9","8","8","1") = "8"
    & skf18("8","3","8","9","8","9","1") = "8"
    & skf18("8","3","8","9","8","10","1") = "9"
    & skf18("8","3","8","9","9","1","1") = "8"
    & skf18("8","3","8","9","9","2","1") = "8"
    & skf18("8","3","8","9","9","3","1") = "8"
    & skf18("8","3","8","9","9","4","1") = "8"
    & skf18("8","3","8","9","9","5","1") = "8"
    & skf18("8","3","8","9","9","6","1") = "8"
    & skf18("8","3","8","9","9","7","1") = "8"
    & skf18("8","3","8","9","9","8","1") = "8"
    & skf18("8","3","8","9","9","9","1") = "8"
    & skf18("8","3","8","9","9","10","1") = "9"
    & skf18("8","3","8","9","10","1","1") = "9"
    & skf18("8","3","8","9","10","2","1") = "9"
    & skf18("8","3","8","9","10","3","1") = "9"
    & skf18("8","3","8","9","10","4","1") = "9"
    & skf18("8","3","8","9","10","5","1") = "9"
    & skf18("8","3","8","9","10","6","1") = "9"
    & skf18("8","3","8","9","10","7","1") = "9"
    & skf18("8","3","8","9","10","8","1") = "9"
    & skf18("8","3","8","9","10","9","1") = "9"
    & skf18("8","3","8","9","10","10","1") = "9"
    & skf18("8","3","8","10","1","1","1") = "9"
    & skf18("8","3","8","10","1","2","1") = "9"
    & skf18("8","3","8","10","1","3","1") = "9"
    & skf18("8","3","8","10","1","4","1") = "9"
    & skf18("8","3","8","10","1","5","1") = "9"
    & skf18("8","3","8","10","1","6","1") = "9"
    & skf18("8","3","8","10","1","7","1") = "9"
    & skf18("8","3","8","10","1","8","1") = "9"
    & skf18("8","3","8","10","1","9","1") = "9"
    & skf18("8","3","8","10","1","10","1") = "9"
    & skf18("8","3","8","10","2","1","1") = "9"
    & skf18("8","3","8","10","2","2","1") = "9"
    & skf18("8","3","8","10","2","3","1") = "9"
    & skf18("8","3","8","10","2","4","1") = "9"
    & skf18("8","3","8","10","2","5","1") = "9"
    & skf18("8","3","8","10","2","6","1") = "9"
    & skf18("8","3","8","10","2","7","1") = "9"
    & skf18("8","3","8","10","2","8","1") = "9"
    & skf18("8","3","8","10","2","9","1") = "9"
    & skf18("8","3","8","10","2","10","1") = "9"
    & skf18("8","3","8","10","3","1","1") = "9"
    & skf18("8","3","8","10","3","2","1") = "9"
    & skf18("8","3","8","10","3","3","1") = "9"
    & skf18("8","3","8","10","3","4","1") = "9"
    & skf18("8","3","8","10","3","5","1") = "9"
    & skf18("8","3","8","10","3","6","1") = "9"
    & skf18("8","3","8","10","3","7","1") = "9"
    & skf18("8","3","8","10","3","8","1") = "9"
    & skf18("8","3","8","10","3","9","1") = "9"
    & skf18("8","3","8","10","3","10","1") = "9"
    & skf18("8","3","8","10","4","1","1") = "9"
    & skf18("8","3","8","10","4","2","1") = "9"
    & skf18("8","3","8","10","4","3","1") = "9"
    & skf18("8","3","8","10","4","4","1") = "9"
    & skf18("8","3","8","10","4","5","1") = "9"
    & skf18("8","3","8","10","4","6","1") = "9"
    & skf18("8","3","8","10","4","7","1") = "9"
    & skf18("8","3","8","10","4","8","1") = "9"
    & skf18("8","3","8","10","4","9","1") = "9"
    & skf18("8","3","8","10","4","10","1") = "9"
    & skf18("8","3","8","10","5","1","1") = "9"
    & skf18("8","3","8","10","5","2","1") = "9"
    & skf18("8","3","8","10","5","3","1") = "9"
    & skf18("8","3","8","10","5","4","1") = "9"
    & skf18("8","3","8","10","5","5","1") = "9"
    & skf18("8","3","8","10","5","6","1") = "9"
    & skf18("8","3","8","10","5","7","1") = "9"
    & skf18("8","3","8","10","5","8","1") = "9"
    & skf18("8","3","8","10","5","9","1") = "9"
    & skf18("8","3","8","10","5","10","1") = "9"
    & skf18("8","3","8","10","6","1","1") = "9"
    & skf18("8","3","8","10","6","2","1") = "9"
    & skf18("8","3","8","10","6","3","1") = "9"
    & skf18("8","3","8","10","6","4","1") = "9"
    & skf18("8","3","8","10","6","5","1") = "9"
    & skf18("8","3","8","10","6","6","1") = "9"
    & skf18("8","3","8","10","6","7","1") = "9"
    & skf18("8","3","8","10","6","8","1") = "9"
    & skf18("8","3","8","10","6","9","1") = "9"
    & skf18("8","3","8","10","6","10","1") = "9"
    & skf18("8","3","8","10","7","1","1") = "9"
    & skf18("8","3","8","10","7","2","1") = "9"
    & skf18("8","3","8","10","7","3","1") = "9"
    & skf18("8","3","8","10","7","4","1") = "9"
    & skf18("8","3","8","10","7","5","1") = "9"
    & skf18("8","3","8","10","7","6","1") = "9"
    & skf18("8","3","8","10","7","7","1") = "9"
    & skf18("8","3","8","10","7","8","1") = "9"
    & skf18("8","3","8","10","7","9","1") = "9"
    & skf18("8","3","8","10","7","10","1") = "9"
    & skf18("8","3","8","10","8","1","1") = "9"
    & skf18("8","3","8","10","8","2","1") = "9"
    & skf18("8","3","8","10","8","3","1") = "9"
    & skf18("8","3","8","10","8","4","1") = "9"
    & skf18("8","3","8","10","8","5","1") = "9"
    & skf18("8","3","8","10","8","6","1") = "9"
    & skf18("8","3","8","10","8","7","1") = "9"
    & skf18("8","3","8","10","8","8","1") = "9"
    & skf18("8","3","8","10","8","9","1") = "9"
    & skf18("8","3","8","10","8","10","1") = "9"
    & skf18("8","3","8","10","9","1","1") = "9"
    & skf18("8","3","8","10","9","2","1") = "9"
    & skf18("8","3","8","10","9","3","1") = "9"
    & skf18("8","3","8","10","9","4","1") = "9"
    & skf18("8","3","8","10","9","5","1") = "9"
    & skf18("8","3","8","10","9","6","1") = "9"
    & skf18("8","3","8","10","9","7","1") = "9"
    & skf18("8","3","8","10","9","8","1") = "9"
    & skf18("8","3","8","10","9","9","1") = "9"
    & skf18("8","3","8","10","9","10","1") = "9"
    & skf18("8","3","8","10","10","1","1") = "9"
    & skf18("8","3","8","10","10","2","1") = "9"
    & skf18("8","3","8","10","10","3","1") = "9"
    & skf18("8","3","8","10","10","4","1") = "9"
    & skf18("8","3","8","10","10","5","1") = "9"
    & skf18("8","3","8","10","10","6","1") = "9"
    & skf18("8","3","8","10","10","7","1") = "9"
    & skf18("8","3","8","10","10","8","1") = "9"
    & skf18("8","3","8","10","10","9","1") = "9"
    & skf18("8","3","8","10","10","10","1") = "9"
    & skf18("8","3","9","1","1","1","1") = "8"
    & skf18("8","3","9","1","1","2","1") = "8"
    & skf18("8","3","9","1","1","3","1") = "8"
    & skf18("8","3","9","1","1","4","1") = "8"
    & skf18("8","3","9","1","1","5","1") = "8"
    & skf18("8","3","9","1","1","6","1") = "8"
    & skf18("8","3","9","1","1","7","1") = "8"
    & skf18("8","3","9","1","1","8","1") = "8"
    & skf18("8","3","9","1","1","9","1") = "8"
    & skf18("8","3","9","1","1","10","1") = "9"
    & skf18("8","3","9","1","2","1","1") = "8"
    & skf18("8","3","9","1","2","2","1") = "8"
    & skf18("8","3","9","1","2","3","1") = "8"
    & skf18("8","3","9","1","2","4","1") = "8"
    & skf18("8","3","9","1","2","5","1") = "8"
    & skf18("8","3","9","1","2","6","1") = "8"
    & skf18("8","3","9","1","2","7","1") = "8"
    & skf18("8","3","9","1","2","8","1") = "8"
    & skf18("8","3","9","1","2","9","1") = "8"
    & skf18("8","3","9","1","2","10","1") = "9"
    & skf18("8","3","9","1","3","1","1") = "8"
    & skf18("8","3","9","1","3","2","1") = "8"
    & skf18("8","3","9","1","3","3","1") = "8"
    & skf18("8","3","9","1","3","4","1") = "8"
    & skf18("8","3","9","1","3","5","1") = "8"
    & skf18("8","3","9","1","3","6","1") = "8"
    & skf18("8","3","9","1","3","7","1") = "8"
    & skf18("8","3","9","1","3","8","1") = "8"
    & skf18("8","3","9","1","3","9","1") = "8"
    & skf18("8","3","9","1","3","10","1") = "9"
    & skf18("8","3","9","1","4","1","1") = "8"
    & skf18("8","3","9","1","4","2","1") = "8"
    & skf18("8","3","9","1","4","3","1") = "8"
    & skf18("8","3","9","1","4","4","1") = "8"
    & skf18("8","3","9","1","4","5","1") = "8"
    & skf18("8","3","9","1","4","6","1") = "8"
    & skf18("8","3","9","1","4","7","1") = "8"
    & skf18("8","3","9","1","4","8","1") = "8"
    & skf18("8","3","9","1","4","9","1") = "8"
    & skf18("8","3","9","1","4","10","1") = "9"
    & skf18("8","3","9","1","5","1","1") = "8"
    & skf18("8","3","9","1","5","2","1") = "8"
    & skf18("8","3","9","1","5","3","1") = "8"
    & skf18("8","3","9","1","5","4","1") = "8"
    & skf18("8","3","9","1","5","5","1") = "8"
    & skf18("8","3","9","1","5","6","1") = "8"
    & skf18("8","3","9","1","5","7","1") = "8"
    & skf18("8","3","9","1","5","8","1") = "8"
    & skf18("8","3","9","1","5","9","1") = "8"
    & skf18("8","3","9","1","5","10","1") = "9"
    & skf18("8","3","9","1","6","1","1") = "8"
    & skf18("8","3","9","1","6","2","1") = "8"
    & skf18("8","3","9","1","6","3","1") = "8"
    & skf18("8","3","9","1","6","4","1") = "8"
    & skf18("8","3","9","1","6","5","1") = "8"
    & skf18("8","3","9","1","6","6","1") = "8"
    & skf18("8","3","9","1","6","7","1") = "8"
    & skf18("8","3","9","1","6","8","1") = "8"
    & skf18("8","3","9","1","6","9","1") = "8"
    & skf18("8","3","9","1","6","10","1") = "9"
    & skf18("8","3","9","1","7","1","1") = "8"
    & skf18("8","3","9","1","7","2","1") = "8"
    & skf18("8","3","9","1","7","3","1") = "8"
    & skf18("8","3","9","1","7","4","1") = "8"
    & skf18("8","3","9","1","7","5","1") = "8"
    & skf18("8","3","9","1","7","6","1") = "8"
    & skf18("8","3","9","1","7","7","1") = "8"
    & skf18("8","3","9","1","7","8","1") = "8"
    & skf18("8","3","9","1","7","9","1") = "8"
    & skf18("8","3","9","1","7","10","1") = "9"
    & skf18("8","3","9","1","8","1","1") = "8"
    & skf18("8","3","9","1","8","2","1") = "8"
    & skf18("8","3","9","1","8","3","1") = "8"
    & skf18("8","3","9","1","8","4","1") = "8"
    & skf18("8","3","9","1","8","5","1") = "8"
    & skf18("8","3","9","1","8","6","1") = "8"
    & skf18("8","3","9","1","8","7","1") = "8"
    & skf18("8","3","9","1","8","8","1") = "8"
    & skf18("8","3","9","1","8","9","1") = "8"
    & skf18("8","3","9","1","8","10","1") = "9"
    & skf18("8","3","9","1","9","1","1") = "8"
    & skf18("8","3","9","1","9","2","1") = "8"
    & skf18("8","3","9","1","9","3","1") = "8"
    & skf18("8","3","9","1","9","4","1") = "8"
    & skf18("8","3","9","1","9","5","1") = "8"
    & skf18("8","3","9","1","9","6","1") = "8"
    & skf18("8","3","9","1","9","7","1") = "8"
    & skf18("8","3","9","1","9","8","1") = "8"
    & skf18("8","3","9","1","9","9","1") = "8"
    & skf18("8","3","9","1","9","10","1") = "9"
    & skf18("8","3","9","1","10","1","1") = "9"
    & skf18("8","3","9","1","10","2","1") = "9"
    & skf18("8","3","9","1","10","3","1") = "9"
    & skf18("8","3","9","1","10","4","1") = "9"
    & skf18("8","3","9","1","10","5","1") = "9"
    & skf18("8","3","9","1","10","6","1") = "9"
    & skf18("8","3","9","1","10","7","1") = "9"
    & skf18("8","3","9","1","10","8","1") = "9"
    & skf18("8","3","9","1","10","9","1") = "9"
    & skf18("8","3","9","1","10","10","1") = "9"
    & skf18("8","3","9","2","1","1","1") = "8"
    & skf18("8","3","9","2","1","2","1") = "8"
    & skf18("8","3","9","2","1","3","1") = "8"
    & skf18("8","3","9","2","1","4","1") = "8"
    & skf18("8","3","9","2","1","5","1") = "8"
    & skf18("8","3","9","2","1","6","1") = "8"
    & skf18("8","3","9","2","1","7","1") = "8"
    & skf18("8","3","9","2","1","8","1") = "8"
    & skf18("8","3","9","2","1","9","1") = "8"
    & skf18("8","3","9","2","1","10","1") = "9"
    & skf18("8","3","9","2","2","1","1") = "8"
    & skf18("8","3","9","2","2","2","1") = "8"
    & skf18("8","3","9","2","2","3","1") = "8"
    & skf18("8","3","9","2","2","4","1") = "8"
    & skf18("8","3","9","2","2","5","1") = "8"
    & skf18("8","3","9","2","2","6","1") = "8"
    & skf18("8","3","9","2","2","7","1") = "8"
    & skf18("8","3","9","2","2","8","1") = "8"
    & skf18("8","3","9","2","2","9","1") = "8"
    & skf18("8","3","9","2","2","10","1") = "9"
    & skf18("8","3","9","2","3","1","1") = "8"
    & skf18("8","3","9","2","3","2","1") = "8"
    & skf18("8","3","9","2","3","3","1") = "8"
    & skf18("8","3","9","2","3","4","1") = "8"
    & skf18("8","3","9","2","3","5","1") = "8"
    & skf18("8","3","9","2","3","6","1") = "8"
    & skf18("8","3","9","2","3","7","1") = "8"
    & skf18("8","3","9","2","3","8","1") = "8"
    & skf18("8","3","9","2","3","9","1") = "8"
    & skf18("8","3","9","2","3","10","1") = "9"
    & skf18("8","3","9","2","4","1","1") = "8"
    & skf18("8","3","9","2","4","2","1") = "8"
    & skf18("8","3","9","2","4","3","1") = "8"
    & skf18("8","3","9","2","4","4","1") = "8"
    & skf18("8","3","9","2","4","5","1") = "8"
    & skf18("8","3","9","2","4","6","1") = "8"
    & skf18("8","3","9","2","4","7","1") = "8"
    & skf18("8","3","9","2","4","8","1") = "8"
    & skf18("8","3","9","2","4","9","1") = "8"
    & skf18("8","3","9","2","4","10","1") = "9"
    & skf18("8","3","9","2","5","1","1") = "8"
    & skf18("8","3","9","2","5","2","1") = "8"
    & skf18("8","3","9","2","5","3","1") = "8"
    & skf18("8","3","9","2","5","4","1") = "8"
    & skf18("8","3","9","2","5","5","1") = "8"
    & skf18("8","3","9","2","5","6","1") = "8"
    & skf18("8","3","9","2","5","7","1") = "8"
    & skf18("8","3","9","2","5","8","1") = "8"
    & skf18("8","3","9","2","5","9","1") = "8"
    & skf18("8","3","9","2","5","10","1") = "9"
    & skf18("8","3","9","2","6","1","1") = "8"
    & skf18("8","3","9","2","6","2","1") = "8"
    & skf18("8","3","9","2","6","3","1") = "8"
    & skf18("8","3","9","2","6","4","1") = "8"
    & skf18("8","3","9","2","6","5","1") = "8"
    & skf18("8","3","9","2","6","6","1") = "8"
    & skf18("8","3","9","2","6","7","1") = "8"
    & skf18("8","3","9","2","6","8","1") = "8"
    & skf18("8","3","9","2","6","9","1") = "8"
    & skf18("8","3","9","2","6","10","1") = "9"
    & skf18("8","3","9","2","7","1","1") = "8"
    & skf18("8","3","9","2","7","2","1") = "8"
    & skf18("8","3","9","2","7","3","1") = "8"
    & skf18("8","3","9","2","7","4","1") = "8"
    & skf18("8","3","9","2","7","5","1") = "8"
    & skf18("8","3","9","2","7","6","1") = "8"
    & skf18("8","3","9","2","7","7","1") = "8"
    & skf18("8","3","9","2","7","8","1") = "8"
    & skf18("8","3","9","2","7","9","1") = "8"
    & skf18("8","3","9","2","7","10","1") = "9"
    & skf18("8","3","9","2","8","1","1") = "8"
    & skf18("8","3","9","2","8","2","1") = "8"
    & skf18("8","3","9","2","8","3","1") = "8"
    & skf18("8","3","9","2","8","4","1") = "8"
    & skf18("8","3","9","2","8","5","1") = "8"
    & skf18("8","3","9","2","8","6","1") = "8"
    & skf18("8","3","9","2","8","7","1") = "8"
    & skf18("8","3","9","2","8","8","1") = "8"
    & skf18("8","3","9","2","8","9","1") = "8"
    & skf18("8","3","9","2","8","10","1") = "9"
    & skf18("8","3","9","2","9","1","1") = "8"
    & skf18("8","3","9","2","9","2","1") = "8"
    & skf18("8","3","9","2","9","3","1") = "8"
    & skf18("8","3","9","2","9","4","1") = "8"
    & skf18("8","3","9","2","9","5","1") = "8"
    & skf18("8","3","9","2","9","6","1") = "8"
    & skf18("8","3","9","2","9","7","1") = "8"
    & skf18("8","3","9","2","9","8","1") = "8"
    & skf18("8","3","9","2","9","9","1") = "8"
    & skf18("8","3","9","2","9","10","1") = "9"
    & skf18("8","3","9","2","10","1","1") = "9"
    & skf18("8","3","9","2","10","2","1") = "9"
    & skf18("8","3","9","2","10","3","1") = "9"
    & skf18("8","3","9","2","10","4","1") = "9"
    & skf18("8","3","9","2","10","5","1") = "9"
    & skf18("8","3","9","2","10","6","1") = "9"
    & skf18("8","3","9","2","10","7","1") = "9"
    & skf18("8","3","9","2","10","8","1") = "9"
    & skf18("8","3","9","2","10","9","1") = "9"
    & skf18("8","3","9","2","10","10","1") = "9"
    & skf18("8","3","9","3","1","1","1") = "8"
    & skf18("8","3","9","3","1","2","1") = "8"
    & skf18("8","3","9","3","1","3","1") = "8"
    & skf18("8","3","9","3","1","4","1") = "8"
    & skf18("8","3","9","3","1","5","1") = "8"
    & skf18("8","3","9","3","1","6","1") = "8"
    & skf18("8","3","9","3","1","7","1") = "8"
    & skf18("8","3","9","3","1","8","1") = "8"
    & skf18("8","3","9","3","1","9","1") = "8"
    & skf18("8","3","9","3","1","10","1") = "9"
    & skf18("8","3","9","3","2","1","1") = "8"
    & skf18("8","3","9","3","2","2","1") = "8"
    & skf18("8","3","9","3","2","3","1") = "8"
    & skf18("8","3","9","3","2","4","1") = "8"
    & skf18("8","3","9","3","2","5","1") = "8"
    & skf18("8","3","9","3","2","6","1") = "8"
    & skf18("8","3","9","3","2","7","1") = "8"
    & skf18("8","3","9","3","2","8","1") = "8"
    & skf18("8","3","9","3","2","9","1") = "8"
    & skf18("8","3","9","3","2","10","1") = "9"
    & skf18("8","3","9","3","3","1","1") = "8"
    & skf18("8","3","9","3","3","2","1") = "8"
    & skf18("8","3","9","3","3","3","1") = "8"
    & skf18("8","3","9","3","3","4","1") = "8"
    & skf18("8","3","9","3","3","5","1") = "8"
    & skf18("8","3","9","3","3","6","1") = "8"
    & skf18("8","3","9","3","3","7","1") = "8"
    & skf18("8","3","9","3","3","8","1") = "8"
    & skf18("8","3","9","3","3","9","1") = "8"
    & skf18("8","3","9","3","3","10","1") = "9"
    & skf18("8","3","9","3","4","1","1") = "8"
    & skf18("8","3","9","3","4","2","1") = "8"
    & skf18("8","3","9","3","4","3","1") = "8"
    & skf18("8","3","9","3","4","4","1") = "8"
    & skf18("8","3","9","3","4","5","1") = "8"
    & skf18("8","3","9","3","4","6","1") = "8"
    & skf18("8","3","9","3","4","7","1") = "8"
    & skf18("8","3","9","3","4","8","1") = "8"
    & skf18("8","3","9","3","4","9","1") = "8"
    & skf18("8","3","9","3","4","10","1") = "9"
    & skf18("8","3","9","3","5","1","1") = "8"
    & skf18("8","3","9","3","5","2","1") = "8"
    & skf18("8","3","9","3","5","3","1") = "8"
    & skf18("8","3","9","3","5","4","1") = "8"
    & skf18("8","3","9","3","5","5","1") = "8"
    & skf18("8","3","9","3","5","6","1") = "8"
    & skf18("8","3","9","3","5","7","1") = "8"
    & skf18("8","3","9","3","5","8","1") = "8"
    & skf18("8","3","9","3","5","9","1") = "8"
    & skf18("8","3","9","3","5","10","1") = "9"
    & skf18("8","3","9","3","6","1","1") = "8"
    & skf18("8","3","9","3","6","2","1") = "8"
    & skf18("8","3","9","3","6","3","1") = "8"
    & skf18("8","3","9","3","6","4","1") = "8"
    & skf18("8","3","9","3","6","5","1") = "8"
    & skf18("8","3","9","3","6","6","1") = "8"
    & skf18("8","3","9","3","6","7","1") = "8"
    & skf18("8","3","9","3","6","8","1") = "8"
    & skf18("8","3","9","3","6","9","1") = "8"
    & skf18("8","3","9","3","6","10","1") = "9"
    & skf18("8","3","9","3","7","1","1") = "8"
    & skf18("8","3","9","3","7","2","1") = "8"
    & skf18("8","3","9","3","7","3","1") = "8"
    & skf18("8","3","9","3","7","4","1") = "8"
    & skf18("8","3","9","3","7","5","1") = "8"
    & skf18("8","3","9","3","7","6","1") = "8"
    & skf18("8","3","9","3","7","7","1") = "8"
    & skf18("8","3","9","3","7","8","1") = "8"
    & skf18("8","3","9","3","7","9","1") = "8"
    & skf18("8","3","9","3","7","10","1") = "9"
    & skf18("8","3","9","3","8","1","1") = "8"
    & skf18("8","3","9","3","8","2","1") = "8"
    & skf18("8","3","9","3","8","3","1") = "8"
    & skf18("8","3","9","3","8","4","1") = "8"
    & skf18("8","3","9","3","8","5","1") = "8"
    & skf18("8","3","9","3","8","6","1") = "8"
    & skf18("8","3","9","3","8","7","1") = "8"
    & skf18("8","3","9","3","8","8","1") = "8"
    & skf18("8","3","9","3","8","9","1") = "8"
    & skf18("8","3","9","3","8","10","1") = "9"
    & skf18("8","3","9","3","9","1","1") = "8"
    & skf18("8","3","9","3","9","2","1") = "8"
    & skf18("8","3","9","3","9","3","1") = "8"
    & skf18("8","3","9","3","9","4","1") = "8"
    & skf18("8","3","9","3","9","5","1") = "8"
    & skf18("8","3","9","3","9","6","1") = "8"
    & skf18("8","3","9","3","9","7","1") = "8"
    & skf18("8","3","9","3","9","8","1") = "8"
    & skf18("8","3","9","3","9","9","1") = "8"
    & skf18("8","3","9","3","9","10","1") = "9"
    & skf18("8","3","9","3","10","1","1") = "9"
    & skf18("8","3","9","3","10","2","1") = "9"
    & skf18("8","3","9","3","10","3","1") = "9"
    & skf18("8","3","9","3","10","4","1") = "9"
    & skf18("8","3","9","3","10","5","1") = "9"
    & skf18("8","3","9","3","10","6","1") = "9"
    & skf18("8","3","9","3","10","7","1") = "9"
    & skf18("8","3","9","3","10","8","1") = "9"
    & skf18("8","3","9","3","10","9","1") = "9"
    & skf18("8","3","9","3","10","10","1") = "9"
    & skf18("8","3","9","4","1","1","1") = "8"
    & skf18("8","3","9","4","1","2","1") = "8"
    & skf18("8","3","9","4","1","3","1") = "8"
    & skf18("8","3","9","4","1","4","1") = "8"
    & skf18("8","3","9","4","1","5","1") = "8"
    & skf18("8","3","9","4","1","6","1") = "8"
    & skf18("8","3","9","4","1","7","1") = "8"
    & skf18("8","3","9","4","1","8","1") = "8"
    & skf18("8","3","9","4","1","9","1") = "8"
    & skf18("8","3","9","4","1","10","1") = "9"
    & skf18("8","3","9","4","2","1","1") = "8"
    & skf18("8","3","9","4","2","2","1") = "8"
    & skf18("8","3","9","4","2","3","1") = "8"
    & skf18("8","3","9","4","2","4","1") = "8"
    & skf18("8","3","9","4","2","5","1") = "8"
    & skf18("8","3","9","4","2","6","1") = "8"
    & skf18("8","3","9","4","2","7","1") = "8"
    & skf18("8","3","9","4","2","8","1") = "8"
    & skf18("8","3","9","4","2","9","1") = "8"
    & skf18("8","3","9","4","2","10","1") = "9"
    & skf18("8","3","9","4","3","1","1") = "8"
    & skf18("8","3","9","4","3","2","1") = "8"
    & skf18("8","3","9","4","3","3","1") = "8"
    & skf18("8","3","9","4","3","4","1") = "8"
    & skf18("8","3","9","4","3","5","1") = "8"
    & skf18("8","3","9","4","3","6","1") = "8"
    & skf18("8","3","9","4","3","7","1") = "8"
    & skf18("8","3","9","4","3","8","1") = "8"
    & skf18("8","3","9","4","3","9","1") = "8"
    & skf18("8","3","9","4","3","10","1") = "9"
    & skf18("8","3","9","4","4","1","1") = "8"
    & skf18("8","3","9","4","4","2","1") = "8"
    & skf18("8","3","9","4","4","3","1") = "8"
    & skf18("8","3","9","4","4","4","1") = "8"
    & skf18("8","3","9","4","4","5","1") = "8"
    & skf18("8","3","9","4","4","6","1") = "8"
    & skf18("8","3","9","4","4","7","1") = "8"
    & skf18("8","3","9","4","4","8","1") = "8"
    & skf18("8","3","9","4","4","9","1") = "8"
    & skf18("8","3","9","4","4","10","1") = "9"
    & skf18("8","3","9","4","5","1","1") = "8"
    & skf18("8","3","9","4","5","2","1") = "8"
    & skf18("8","3","9","4","5","3","1") = "8"
    & skf18("8","3","9","4","5","4","1") = "8"
    & skf18("8","3","9","4","5","5","1") = "8"
    & skf18("8","3","9","4","5","6","1") = "8"
    & skf18("8","3","9","4","5","7","1") = "8"
    & skf18("8","3","9","4","5","8","1") = "8"
    & skf18("8","3","9","4","5","9","1") = "8"
    & skf18("8","3","9","4","5","10","1") = "9"
    & skf18("8","3","9","4","6","1","1") = "8"
    & skf18("8","3","9","4","6","2","1") = "8"
    & skf18("8","3","9","4","6","3","1") = "8"
    & skf18("8","3","9","4","6","4","1") = "8"
    & skf18("8","3","9","4","6","5","1") = "8"
    & skf18("8","3","9","4","6","6","1") = "8"
    & skf18("8","3","9","4","6","7","1") = "8"
    & skf18("8","3","9","4","6","8","1") = "8"
    & skf18("8","3","9","4","6","9","1") = "8"
    & skf18("8","3","9","4","6","10","1") = "9"
    & skf18("8","3","9","4","7","1","1") = "8"
    & skf18("8","3","9","4","7","2","1") = "8"
    & skf18("8","3","9","4","7","3","1") = "8"
    & skf18("8","3","9","4","7","4","1") = "8"
    & skf18("8","3","9","4","7","5","1") = "8"
    & skf18("8","3","9","4","7","6","1") = "8"
    & skf18("8","3","9","4","7","7","1") = "8"
    & skf18("8","3","9","4","7","8","1") = "8"
    & skf18("8","3","9","4","7","9","1") = "8"
    & skf18("8","3","9","4","7","10","1") = "9"
    & skf18("8","3","9","4","8","1","1") = "8"
    & skf18("8","3","9","4","8","2","1") = "8"
    & skf18("8","3","9","4","8","3","1") = "8"
    & skf18("8","3","9","4","8","4","1") = "8"
    & skf18("8","3","9","4","8","5","1") = "8"
    & skf18("8","3","9","4","8","6","1") = "8"
    & skf18("8","3","9","4","8","7","1") = "8"
    & skf18("8","3","9","4","8","8","1") = "8"
    & skf18("8","3","9","4","8","9","1") = "8"
    & skf18("8","3","9","4","8","10","1") = "9"
    & skf18("8","3","9","4","9","1","1") = "8"
    & skf18("8","3","9","4","9","2","1") = "8"
    & skf18("8","3","9","4","9","3","1") = "8"
    & skf18("8","3","9","4","9","4","1") = "8"
    & skf18("8","3","9","4","9","5","1") = "8"
    & skf18("8","3","9","4","9","6","1") = "8"
    & skf18("8","3","9","4","9","7","1") = "8"
    & skf18("8","3","9","4","9","8","1") = "8"
    & skf18("8","3","9","4","9","9","1") = "8"
    & skf18("8","3","9","4","9","10","1") = "9"
    & skf18("8","3","9","4","10","1","1") = "9"
    & skf18("8","3","9","4","10","2","1") = "9"
    & skf18("8","3","9","4","10","3","1") = "9"
    & skf18("8","3","9","4","10","4","1") = "9"
    & skf18("8","3","9","4","10","5","1") = "9"
    & skf18("8","3","9","4","10","6","1") = "9"
    & skf18("8","3","9","4","10","7","1") = "9"
    & skf18("8","3","9","4","10","8","1") = "9"
    & skf18("8","3","9","4","10","9","1") = "9"
    & skf18("8","3","9","4","10","10","1") = "9"
    & skf18("8","3","9","5","1","1","1") = "8"
    & skf18("8","3","9","5","1","2","1") = "8"
    & skf18("8","3","9","5","1","3","1") = "8"
    & skf18("8","3","9","5","1","4","1") = "8"
    & skf18("8","3","9","5","1","5","1") = "8"
    & skf18("8","3","9","5","1","6","1") = "8"
    & skf18("8","3","9","5","1","7","1") = "8"
    & skf18("8","3","9","5","1","8","1") = "8"
    & skf18("8","3","9","5","1","9","1") = "8"
    & skf18("8","3","9","5","1","10","1") = "9"
    & skf18("8","3","9","5","2","1","1") = "8"
    & skf18("8","3","9","5","2","2","1") = "8"
    & skf18("8","3","9","5","2","3","1") = "8"
    & skf18("8","3","9","5","2","4","1") = "8"
    & skf18("8","3","9","5","2","5","1") = "8"
    & skf18("8","3","9","5","2","6","1") = "8"
    & skf18("8","3","9","5","2","7","1") = "8"
    & skf18("8","3","9","5","2","8","1") = "8"
    & skf18("8","3","9","5","2","9","1") = "8"
    & skf18("8","3","9","5","2","10","1") = "9"
    & skf18("8","3","9","5","3","1","1") = "8"
    & skf18("8","3","9","5","3","2","1") = "8"
    & skf18("8","3","9","5","3","3","1") = "8"
    & skf18("8","3","9","5","3","4","1") = "8"
    & skf18("8","3","9","5","3","5","1") = "8"
    & skf18("8","3","9","5","3","6","1") = "8"
    & skf18("8","3","9","5","3","7","1") = "8"
    & skf18("8","3","9","5","3","8","1") = "8"
    & skf18("8","3","9","5","3","9","1") = "8"
    & skf18("8","3","9","5","3","10","1") = "9"
    & skf18("8","3","9","5","4","1","1") = "8"
    & skf18("8","3","9","5","4","2","1") = "8"
    & skf18("8","3","9","5","4","3","1") = "8"
    & skf18("8","3","9","5","4","4","1") = "8"
    & skf18("8","3","9","5","4","5","1") = "8"
    & skf18("8","3","9","5","4","6","1") = "8"
    & skf18("8","3","9","5","4","7","1") = "8"
    & skf18("8","3","9","5","4","8","1") = "8"
    & skf18("8","3","9","5","4","9","1") = "8"
    & skf18("8","3","9","5","4","10","1") = "9"
    & skf18("8","3","9","5","5","1","1") = "8"
    & skf18("8","3","9","5","5","2","1") = "8"
    & skf18("8","3","9","5","5","3","1") = "8"
    & skf18("8","3","9","5","5","4","1") = "8"
    & skf18("8","3","9","5","5","5","1") = "8"
    & skf18("8","3","9","5","5","6","1") = "8"
    & skf18("8","3","9","5","5","7","1") = "8"
    & skf18("8","3","9","5","5","8","1") = "8"
    & skf18("8","3","9","5","5","9","1") = "8"
    & skf18("8","3","9","5","5","10","1") = "9"
    & skf18("8","3","9","5","6","1","1") = "8"
    & skf18("8","3","9","5","6","2","1") = "8"
    & skf18("8","3","9","5","6","3","1") = "8"
    & skf18("8","3","9","5","6","4","1") = "8"
    & skf18("8","3","9","5","6","5","1") = "8"
    & skf18("8","3","9","5","6","6","1") = "8"
    & skf18("8","3","9","5","6","7","1") = "8"
    & skf18("8","3","9","5","6","8","1") = "8"
    & skf18("8","3","9","5","6","9","1") = "8"
    & skf18("8","3","9","5","6","10","1") = "9"
    & skf18("8","3","9","5","7","1","1") = "8"
    & skf18("8","3","9","5","7","2","1") = "8"
    & skf18("8","3","9","5","7","3","1") = "8"
    & skf18("8","3","9","5","7","4","1") = "8"
    & skf18("8","3","9","5","7","5","1") = "8"
    & skf18("8","3","9","5","7","6","1") = "8"
    & skf18("8","3","9","5","7","7","1") = "8"
    & skf18("8","3","9","5","7","8","1") = "8"
    & skf18("8","3","9","5","7","9","1") = "8"
    & skf18("8","3","9","5","7","10","1") = "9"
    & skf18("8","3","9","5","8","1","1") = "8"
    & skf18("8","3","9","5","8","2","1") = "8"
    & skf18("8","3","9","5","8","3","1") = "8"
    & skf18("8","3","9","5","8","4","1") = "8"
    & skf18("8","3","9","5","8","5","1") = "8"
    & skf18("8","3","9","5","8","6","1") = "8"
    & skf18("8","3","9","5","8","7","1") = "8"
    & skf18("8","3","9","5","8","8","1") = "8"
    & skf18("8","3","9","5","8","9","1") = "8"
    & skf18("8","3","9","5","8","10","1") = "9"
    & skf18("8","3","9","5","9","1","1") = "8"
    & skf18("8","3","9","5","9","2","1") = "8"
    & skf18("8","3","9","5","9","3","1") = "8"
    & skf18("8","3","9","5","9","4","1") = "8"
    & skf18("8","3","9","5","9","5","1") = "8"
    & skf18("8","3","9","5","9","6","1") = "8"
    & skf18("8","3","9","5","9","7","1") = "8"
    & skf18("8","3","9","5","9","8","1") = "8"
    & skf18("8","3","9","5","9","9","1") = "8"
    & skf18("8","3","9","5","9","10","1") = "9"
    & skf18("8","3","9","5","10","1","1") = "9"
    & skf18("8","3","9","5","10","2","1") = "9"
    & skf18("8","3","9","5","10","3","1") = "9"
    & skf18("8","3","9","5","10","4","1") = "9"
    & skf18("8","3","9","5","10","5","1") = "9"
    & skf18("8","3","9","5","10","6","1") = "9"
    & skf18("8","3","9","5","10","7","1") = "9"
    & skf18("8","3","9","5","10","8","1") = "9"
    & skf18("8","3","9","5","10","9","1") = "9"
    & skf18("8","3","9","5","10","10","1") = "9"
    & skf18("8","3","9","6","1","1","1") = "8"
    & skf18("8","3","9","6","1","2","1") = "8"
    & skf18("8","3","9","6","1","3","1") = "8"
    & skf18("8","3","9","6","1","4","1") = "8"
    & skf18("8","3","9","6","1","5","1") = "8"
    & skf18("8","3","9","6","1","6","1") = "8"
    & skf18("8","3","9","6","1","7","1") = "8"
    & skf18("8","3","9","6","1","8","1") = "8"
    & skf18("8","3","9","6","1","9","1") = "8"
    & skf18("8","3","9","6","1","10","1") = "9"
    & skf18("8","3","9","6","2","1","1") = "8"
    & skf18("8","3","9","6","2","2","1") = "8"
    & skf18("8","3","9","6","2","3","1") = "8"
    & skf18("8","3","9","6","2","4","1") = "8"
    & skf18("8","3","9","6","2","5","1") = "8"
    & skf18("8","3","9","6","2","6","1") = "8"
    & skf18("8","3","9","6","2","7","1") = "8"
    & skf18("8","3","9","6","2","8","1") = "8"
    & skf18("8","3","9","6","2","9","1") = "8"
    & skf18("8","3","9","6","2","10","1") = "9"
    & skf18("8","3","9","6","3","1","1") = "8"
    & skf18("8","3","9","6","3","2","1") = "8"
    & skf18("8","3","9","6","3","3","1") = "8"
    & skf18("8","3","9","6","3","4","1") = "8"
    & skf18("8","3","9","6","3","5","1") = "8"
    & skf18("8","3","9","6","3","6","1") = "8"
    & skf18("8","3","9","6","3","7","1") = "8"
    & skf18("8","3","9","6","3","8","1") = "8"
    & skf18("8","3","9","6","3","9","1") = "8"
    & skf18("8","3","9","6","3","10","1") = "9"
    & skf18("8","3","9","6","4","1","1") = "8"
    & skf18("8","3","9","6","4","2","1") = "8"
    & skf18("8","3","9","6","4","3","1") = "8"
    & skf18("8","3","9","6","4","4","1") = "8"
    & skf18("8","3","9","6","4","5","1") = "8"
    & skf18("8","3","9","6","4","6","1") = "8"
    & skf18("8","3","9","6","4","7","1") = "8"
    & skf18("8","3","9","6","4","8","1") = "8"
    & skf18("8","3","9","6","4","9","1") = "8"
    & skf18("8","3","9","6","4","10","1") = "9"
    & skf18("8","3","9","6","5","1","1") = "8"
    & skf18("8","3","9","6","5","2","1") = "8"
    & skf18("8","3","9","6","5","3","1") = "8"
    & skf18("8","3","9","6","5","4","1") = "8"
    & skf18("8","3","9","6","5","5","1") = "8"
    & skf18("8","3","9","6","5","6","1") = "8"
    & skf18("8","3","9","6","5","7","1") = "8"
    & skf18("8","3","9","6","5","8","1") = "8"
    & skf18("8","3","9","6","5","9","1") = "8"
    & skf18("8","3","9","6","5","10","1") = "9"
    & skf18("8","3","9","6","6","1","1") = "8"
    & skf18("8","3","9","6","6","2","1") = "8"
    & skf18("8","3","9","6","6","3","1") = "8"
    & skf18("8","3","9","6","6","4","1") = "8"
    & skf18("8","3","9","6","6","5","1") = "8"
    & skf18("8","3","9","6","6","6","1") = "8"
    & skf18("8","3","9","6","6","7","1") = "8"
    & skf18("8","3","9","6","6","8","1") = "8"
    & skf18("8","3","9","6","6","9","1") = "8"
    & skf18("8","3","9","6","6","10","1") = "9"
    & skf18("8","3","9","6","7","1","1") = "8"
    & skf18("8","3","9","6","7","2","1") = "8"
    & skf18("8","3","9","6","7","3","1") = "8"
    & skf18("8","3","9","6","7","4","1") = "8"
    & skf18("8","3","9","6","7","5","1") = "8"
    & skf18("8","3","9","6","7","6","1") = "8"
    & skf18("8","3","9","6","7","7","1") = "8"
    & skf18("8","3","9","6","7","8","1") = "8"
    & skf18("8","3","9","6","7","9","1") = "8"
    & skf18("8","3","9","6","7","10","1") = "9"
    & skf18("8","3","9","6","8","1","1") = "8"
    & skf18("8","3","9","6","8","2","1") = "8"
    & skf18("8","3","9","6","8","3","1") = "8"
    & skf18("8","3","9","6","8","4","1") = "8"
    & skf18("8","3","9","6","8","5","1") = "8"
    & skf18("8","3","9","6","8","6","1") = "8"
    & skf18("8","3","9","6","8","7","1") = "8"
    & skf18("8","3","9","6","8","8","1") = "8"
    & skf18("8","3","9","6","8","9","1") = "8"
    & skf18("8","3","9","6","8","10","1") = "9"
    & skf18("8","3","9","6","9","1","1") = "8"
    & skf18("8","3","9","6","9","2","1") = "8"
    & skf18("8","3","9","6","9","3","1") = "8"
    & skf18("8","3","9","6","9","4","1") = "8"
    & skf18("8","3","9","6","9","5","1") = "8"
    & skf18("8","3","9","6","9","6","1") = "8"
    & skf18("8","3","9","6","9","7","1") = "8"
    & skf18("8","3","9","6","9","8","1") = "8"
    & skf18("8","3","9","6","9","9","1") = "8"
    & skf18("8","3","9","6","9","10","1") = "9"
    & skf18("8","3","9","6","10","1","1") = "9"
    & skf18("8","3","9","6","10","2","1") = "9"
    & skf18("8","3","9","6","10","3","1") = "9"
    & skf18("8","3","9","6","10","4","1") = "9"
    & skf18("8","3","9","6","10","5","1") = "9"
    & skf18("8","3","9","6","10","6","1") = "9"
    & skf18("8","3","9","6","10","7","1") = "9"
    & skf18("8","3","9","6","10","8","1") = "9"
    & skf18("8","3","9","6","10","9","1") = "9"
    & skf18("8","3","9","6","10","10","1") = "9"
    & skf18("8","3","9","7","1","1","1") = "8"
    & skf18("8","3","9","7","1","2","1") = "8"
    & skf18("8","3","9","7","1","3","1") = "8"
    & skf18("8","3","9","7","1","4","1") = "8"
    & skf18("8","3","9","7","1","5","1") = "8"
    & skf18("8","3","9","7","1","6","1") = "8"
    & skf18("8","3","9","7","1","7","1") = "8"
    & skf18("8","3","9","7","1","8","1") = "8"
    & skf18("8","3","9","7","1","9","1") = "8"
    & skf18("8","3","9","7","1","10","1") = "9"
    & skf18("8","3","9","7","2","1","1") = "8"
    & skf18("8","3","9","7","2","2","1") = "8"
    & skf18("8","3","9","7","2","3","1") = "8"
    & skf18("8","3","9","7","2","4","1") = "8"
    & skf18("8","3","9","7","2","5","1") = "8"
    & skf18("8","3","9","7","2","6","1") = "8"
    & skf18("8","3","9","7","2","7","1") = "8"
    & skf18("8","3","9","7","2","8","1") = "8"
    & skf18("8","3","9","7","2","9","1") = "8"
    & skf18("8","3","9","7","2","10","1") = "9"
    & skf18("8","3","9","7","3","1","1") = "8"
    & skf18("8","3","9","7","3","2","1") = "8"
    & skf18("8","3","9","7","3","3","1") = "8"
    & skf18("8","3","9","7","3","4","1") = "8"
    & skf18("8","3","9","7","3","5","1") = "8"
    & skf18("8","3","9","7","3","6","1") = "8"
    & skf18("8","3","9","7","3","7","1") = "8"
    & skf18("8","3","9","7","3","8","1") = "8"
    & skf18("8","3","9","7","3","9","1") = "8"
    & skf18("8","3","9","7","3","10","1") = "9"
    & skf18("8","3","9","7","4","1","1") = "8"
    & skf18("8","3","9","7","4","2","1") = "8"
    & skf18("8","3","9","7","4","3","1") = "8"
    & skf18("8","3","9","7","4","4","1") = "8"
    & skf18("8","3","9","7","4","5","1") = "8"
    & skf18("8","3","9","7","4","6","1") = "8"
    & skf18("8","3","9","7","4","7","1") = "8"
    & skf18("8","3","9","7","4","8","1") = "8"
    & skf18("8","3","9","7","4","9","1") = "8"
    & skf18("8","3","9","7","4","10","1") = "9"
    & skf18("8","3","9","7","5","1","1") = "8"
    & skf18("8","3","9","7","5","2","1") = "8"
    & skf18("8","3","9","7","5","3","1") = "8"
    & skf18("8","3","9","7","5","4","1") = "8"
    & skf18("8","3","9","7","5","5","1") = "8"
    & skf18("8","3","9","7","5","6","1") = "8"
    & skf18("8","3","9","7","5","7","1") = "8"
    & skf18("8","3","9","7","5","8","1") = "8"
    & skf18("8","3","9","7","5","9","1") = "8"
    & skf18("8","3","9","7","5","10","1") = "9"
    & skf18("8","3","9","7","6","1","1") = "8"
    & skf18("8","3","9","7","6","2","1") = "8"
    & skf18("8","3","9","7","6","3","1") = "8"
    & skf18("8","3","9","7","6","4","1") = "8"
    & skf18("8","3","9","7","6","5","1") = "8"
    & skf18("8","3","9","7","6","6","1") = "8"
    & skf18("8","3","9","7","6","7","1") = "8"
    & skf18("8","3","9","7","6","8","1") = "8"
    & skf18("8","3","9","7","6","9","1") = "8"
    & skf18("8","3","9","7","6","10","1") = "9"
    & skf18("8","3","9","7","7","1","1") = "8"
    & skf18("8","3","9","7","7","2","1") = "8"
    & skf18("8","3","9","7","7","3","1") = "8"
    & skf18("8","3","9","7","7","4","1") = "8"
    & skf18("8","3","9","7","7","5","1") = "8"
    & skf18("8","3","9","7","7","6","1") = "8"
    & skf18("8","3","9","7","7","7","1") = "8"
    & skf18("8","3","9","7","7","8","1") = "8"
    & skf18("8","3","9","7","7","9","1") = "8"
    & skf18("8","3","9","7","7","10","1") = "9"
    & skf18("8","3","9","7","8","1","1") = "8"
    & skf18("8","3","9","7","8","2","1") = "8"
    & skf18("8","3","9","7","8","3","1") = "8"
    & skf18("8","3","9","7","8","4","1") = "8"
    & skf18("8","3","9","7","8","5","1") = "8"
    & skf18("8","3","9","7","8","6","1") = "8"
    & skf18("8","3","9","7","8","7","1") = "8"
    & skf18("8","3","9","7","8","8","1") = "8"
    & skf18("8","3","9","7","8","9","1") = "8"
    & skf18("8","3","9","7","8","10","1") = "9"
    & skf18("8","3","9","7","9","1","1") = "8"
    & skf18("8","3","9","7","9","2","1") = "8"
    & skf18("8","3","9","7","9","3","1") = "8"
    & skf18("8","3","9","7","9","4","1") = "8"
    & skf18("8","3","9","7","9","5","1") = "8"
    & skf18("8","3","9","7","9","6","1") = "8"
    & skf18("8","3","9","7","9","7","1") = "8"
    & skf18("8","3","9","7","9","8","1") = "8"
    & skf18("8","3","9","7","9","9","1") = "8"
    & skf18("8","3","9","7","9","10","1") = "9"
    & skf18("8","3","9","7","10","1","1") = "9"
    & skf18("8","3","9","7","10","2","1") = "9"
    & skf18("8","3","9","7","10","3","1") = "9"
    & skf18("8","3","9","7","10","4","1") = "9"
    & skf18("8","3","9","7","10","5","1") = "9"
    & skf18("8","3","9","7","10","6","1") = "9"
    & skf18("8","3","9","7","10","7","1") = "9"
    & skf18("8","3","9","7","10","8","1") = "9"
    & skf18("8","3","9","7","10","9","1") = "9"
    & skf18("8","3","9","7","10","10","1") = "9"
    & skf18("8","3","9","8","1","1","1") = "8"
    & skf18("8","3","9","8","1","2","1") = "8"
    & skf18("8","3","9","8","1","3","1") = "8"
    & skf18("8","3","9","8","1","4","1") = "8"
    & skf18("8","3","9","8","1","5","1") = "8"
    & skf18("8","3","9","8","1","6","1") = "8"
    & skf18("8","3","9","8","1","7","1") = "8"
    & skf18("8","3","9","8","1","8","1") = "8"
    & skf18("8","3","9","8","1","9","1") = "8"
    & skf18("8","3","9","8","1","10","1") = "9"
    & skf18("8","3","9","8","2","1","1") = "8"
    & skf18("8","3","9","8","2","2","1") = "8"
    & skf18("8","3","9","8","2","3","1") = "8"
    & skf18("8","3","9","8","2","4","1") = "8"
    & skf18("8","3","9","8","2","5","1") = "8"
    & skf18("8","3","9","8","2","6","1") = "8"
    & skf18("8","3","9","8","2","7","1") = "8"
    & skf18("8","3","9","8","2","8","1") = "8"
    & skf18("8","3","9","8","2","9","1") = "8"
    & skf18("8","3","9","8","2","10","1") = "9"
    & skf18("8","3","9","8","3","1","1") = "8"
    & skf18("8","3","9","8","3","2","1") = "8"
    & skf18("8","3","9","8","3","3","1") = "8"
    & skf18("8","3","9","8","3","4","1") = "8"
    & skf18("8","3","9","8","3","5","1") = "8"
    & skf18("8","3","9","8","3","6","1") = "8"
    & skf18("8","3","9","8","3","7","1") = "8"
    & skf18("8","3","9","8","3","8","1") = "8"
    & skf18("8","3","9","8","3","9","1") = "8"
    & skf18("8","3","9","8","3","10","1") = "9"
    & skf18("8","3","9","8","4","1","1") = "8"
    & skf18("8","3","9","8","4","2","1") = "8"
    & skf18("8","3","9","8","4","3","1") = "8"
    & skf18("8","3","9","8","4","4","1") = "8"
    & skf18("8","3","9","8","4","5","1") = "8"
    & skf18("8","3","9","8","4","6","1") = "8"
    & skf18("8","3","9","8","4","7","1") = "8"
    & skf18("8","3","9","8","4","8","1") = "8"
    & skf18("8","3","9","8","4","9","1") = "8"
    & skf18("8","3","9","8","4","10","1") = "9"
    & skf18("8","3","9","8","5","1","1") = "8"
    & skf18("8","3","9","8","5","2","1") = "8"
    & skf18("8","3","9","8","5","3","1") = "8"
    & skf18("8","3","9","8","5","4","1") = "8"
    & skf18("8","3","9","8","5","5","1") = "8"
    & skf18("8","3","9","8","5","6","1") = "8"
    & skf18("8","3","9","8","5","7","1") = "8"
    & skf18("8","3","9","8","5","8","1") = "8"
    & skf18("8","3","9","8","5","9","1") = "8"
    & skf18("8","3","9","8","5","10","1") = "9"
    & skf18("8","3","9","8","6","1","1") = "8"
    & skf18("8","3","9","8","6","2","1") = "8"
    & skf18("8","3","9","8","6","3","1") = "8"
    & skf18("8","3","9","8","6","4","1") = "8"
    & skf18("8","3","9","8","6","5","1") = "8"
    & skf18("8","3","9","8","6","6","1") = "8"
    & skf18("8","3","9","8","6","7","1") = "8"
    & skf18("8","3","9","8","6","8","1") = "8"
    & skf18("8","3","9","8","6","9","1") = "8"
    & skf18("8","3","9","8","6","10","1") = "9"
    & skf18("8","3","9","8","7","1","1") = "8"
    & skf18("8","3","9","8","7","2","1") = "8"
    & skf18("8","3","9","8","7","3","1") = "8"
    & skf18("8","3","9","8","7","4","1") = "8"
    & skf18("8","3","9","8","7","5","1") = "8"
    & skf18("8","3","9","8","7","6","1") = "8"
    & skf18("8","3","9","8","7","7","1") = "8"
    & skf18("8","3","9","8","7","8","1") = "8"
    & skf18("8","3","9","8","7","9","1") = "8"
    & skf18("8","3","9","8","7","10","1") = "9"
    & skf18("8","3","9","8","8","1","1") = "8"
    & skf18("8","3","9","8","8","2","1") = "8"
    & skf18("8","3","9","8","8","3","1") = "8"
    & skf18("8","3","9","8","8","4","1") = "8"
    & skf18("8","3","9","8","8","5","1") = "8"
    & skf18("8","3","9","8","8","6","1") = "8"
    & skf18("8","3","9","8","8","7","1") = "8"
    & skf18("8","3","9","8","8","8","1") = "8"
    & skf18("8","3","9","8","8","9","1") = "8"
    & skf18("8","3","9","8","8","10","1") = "9"
    & skf18("8","3","9","8","9","1","1") = "8"
    & skf18("8","3","9","8","9","2","1") = "8"
    & skf18("8","3","9","8","9","3","1") = "8"
    & skf18("8","3","9","8","9","4","1") = "8"
    & skf18("8","3","9","8","9","5","1") = "8"
    & skf18("8","3","9","8","9","6","1") = "8"
    & skf18("8","3","9","8","9","7","1") = "8"
    & skf18("8","3","9","8","9","8","1") = "8"
    & skf18("8","3","9","8","9","9","1") = "8"
    & skf18("8","3","9","8","9","10","1") = "9"
    & skf18("8","3","9","8","10","1","1") = "9"
    & skf18("8","3","9","8","10","2","1") = "9"
    & skf18("8","3","9","8","10","3","1") = "9"
    & skf18("8","3","9","8","10","4","1") = "9"
    & skf18("8","3","9","8","10","5","1") = "9"
    & skf18("8","3","9","8","10","6","1") = "9"
    & skf18("8","3","9","8","10","7","1") = "9"
    & skf18("8","3","9","8","10","8","1") = "9"
    & skf18("8","3","9","8","10","9","1") = "9"
    & skf18("8","3","9","8","10","10","1") = "9"
    & skf18("8","3","9","9","1","1","1") = "8"
    & skf18("8","3","9","9","1","2","1") = "8"
    & skf18("8","3","9","9","1","3","1") = "8"
    & skf18("8","3","9","9","1","4","1") = "8"
    & skf18("8","3","9","9","1","5","1") = "8"
    & skf18("8","3","9","9","1","6","1") = "8"
    & skf18("8","3","9","9","1","7","1") = "8"
    & skf18("8","3","9","9","1","8","1") = "8"
    & skf18("8","3","9","9","1","9","1") = "8"
    & skf18("8","3","9","9","1","10","1") = "9"
    & skf18("8","3","9","9","2","1","1") = "8"
    & skf18("8","3","9","9","2","2","1") = "8"
    & skf18("8","3","9","9","2","3","1") = "8"
    & skf18("8","3","9","9","2","4","1") = "8"
    & skf18("8","3","9","9","2","5","1") = "8"
    & skf18("8","3","9","9","2","6","1") = "8"
    & skf18("8","3","9","9","2","7","1") = "8"
    & skf18("8","3","9","9","2","8","1") = "8"
    & skf18("8","3","9","9","2","9","1") = "8"
    & skf18("8","3","9","9","2","10","1") = "9"
    & skf18("8","3","9","9","3","1","1") = "8"
    & skf18("8","3","9","9","3","2","1") = "8"
    & skf18("8","3","9","9","3","3","1") = "8"
    & skf18("8","3","9","9","3","4","1") = "8"
    & skf18("8","3","9","9","3","5","1") = "8"
    & skf18("8","3","9","9","3","6","1") = "8"
    & skf18("8","3","9","9","3","7","1") = "8"
    & skf18("8","3","9","9","3","8","1") = "8"
    & skf18("8","3","9","9","3","9","1") = "8"
    & skf18("8","3","9","9","3","10","1") = "9"
    & skf18("8","3","9","9","4","1","1") = "8"
    & skf18("8","3","9","9","4","2","1") = "8"
    & skf18("8","3","9","9","4","3","1") = "8"
    & skf18("8","3","9","9","4","4","1") = "8"
    & skf18("8","3","9","9","4","5","1") = "8"
    & skf18("8","3","9","9","4","6","1") = "8"
    & skf18("8","3","9","9","4","7","1") = "8"
    & skf18("8","3","9","9","4","8","1") = "8"
    & skf18("8","3","9","9","4","9","1") = "8"
    & skf18("8","3","9","9","4","10","1") = "9"
    & skf18("8","3","9","9","5","1","1") = "8"
    & skf18("8","3","9","9","5","2","1") = "8"
    & skf18("8","3","9","9","5","3","1") = "8"
    & skf18("8","3","9","9","5","4","1") = "8"
    & skf18("8","3","9","9","5","5","1") = "8"
    & skf18("8","3","9","9","5","6","1") = "8"
    & skf18("8","3","9","9","5","7","1") = "8"
    & skf18("8","3","9","9","5","8","1") = "8"
    & skf18("8","3","9","9","5","9","1") = "8"
    & skf18("8","3","9","9","5","10","1") = "9"
    & skf18("8","3","9","9","6","1","1") = "8"
    & skf18("8","3","9","9","6","2","1") = "8"
    & skf18("8","3","9","9","6","3","1") = "8"
    & skf18("8","3","9","9","6","4","1") = "8"
    & skf18("8","3","9","9","6","5","1") = "8"
    & skf18("8","3","9","9","6","6","1") = "8"
    & skf18("8","3","9","9","6","7","1") = "8"
    & skf18("8","3","9","9","6","8","1") = "8"
    & skf18("8","3","9","9","6","9","1") = "8"
    & skf18("8","3","9","9","6","10","1") = "9"
    & skf18("8","3","9","9","7","1","1") = "8"
    & skf18("8","3","9","9","7","2","1") = "8"
    & skf18("8","3","9","9","7","3","1") = "8"
    & skf18("8","3","9","9","7","4","1") = "8"
    & skf18("8","3","9","9","7","5","1") = "8"
    & skf18("8","3","9","9","7","6","1") = "8"
    & skf18("8","3","9","9","7","7","1") = "8"
    & skf18("8","3","9","9","7","8","1") = "8"
    & skf18("8","3","9","9","7","9","1") = "8"
    & skf18("8","3","9","9","7","10","1") = "9"
    & skf18("8","3","9","9","8","1","1") = "8"
    & skf18("8","3","9","9","8","2","1") = "8"
    & skf18("8","3","9","9","8","3","1") = "8"
    & skf18("8","3","9","9","8","4","1") = "8"
    & skf18("8","3","9","9","8","5","1") = "8"
    & skf18("8","3","9","9","8","6","1") = "8"
    & skf18("8","3","9","9","8","7","1") = "8"
    & skf18("8","3","9","9","8","8","1") = "8"
    & skf18("8","3","9","9","8","9","1") = "8"
    & skf18("8","3","9","9","8","10","1") = "9"
    & skf18("8","3","9","9","9","1","1") = "8"
    & skf18("8","3","9","9","9","2","1") = "8"
    & skf18("8","3","9","9","9","3","1") = "8"
    & skf18("8","3","9","9","9","4","1") = "8"
    & skf18("8","3","9","9","9","5","1") = "8"
    & skf18("8","3","9","9","9","6","1") = "8"
    & skf18("8","3","9","9","9","7","1") = "8"
    & skf18("8","3","9","9","9","8","1") = "8"
    & skf18("8","3","9","9","9","9","1") = "8"
    & skf18("8","3","9","9","9","10","1") = "9"
    & skf18("8","3","9","9","10","1","1") = "9"
    & skf18("8","3","9","9","10","2","1") = "9"
    & skf18("8","3","9","9","10","3","1") = "9"
    & skf18("8","3","9","9","10","4","1") = "9"
    & skf18("8","3","9","9","10","5","1") = "9"
    & skf18("8","3","9","9","10","6","1") = "9"
    & skf18("8","3","9","9","10","7","1") = "9"
    & skf18("8","3","9","9","10","8","1") = "9"
    & skf18("8","3","9","9","10","9","1") = "9"
    & skf18("8","3","9","9","10","10","1") = "9"
    & skf18("8","3","9","10","1","1","1") = "9"
    & skf18("8","3","9","10","1","2","1") = "9"
    & skf18("8","3","9","10","1","3","1") = "9"
    & skf18("8","3","9","10","1","4","1") = "9"
    & skf18("8","3","9","10","1","5","1") = "9"
    & skf18("8","3","9","10","1","6","1") = "9"
    & skf18("8","3","9","10","1","7","1") = "9"
    & skf18("8","3","9","10","1","8","1") = "9"
    & skf18("8","3","9","10","1","9","1") = "9"
    & skf18("8","3","9","10","1","10","1") = "9"
    & skf18("8","3","9","10","2","1","1") = "9"
    & skf18("8","3","9","10","2","2","1") = "9"
    & skf18("8","3","9","10","2","3","1") = "9"
    & skf18("8","3","9","10","2","4","1") = "9"
    & skf18("8","3","9","10","2","5","1") = "9"
    & skf18("8","3","9","10","2","6","1") = "9"
    & skf18("8","3","9","10","2","7","1") = "9"
    & skf18("8","3","9","10","2","8","1") = "9"
    & skf18("8","3","9","10","2","9","1") = "9"
    & skf18("8","3","9","10","2","10","1") = "9"
    & skf18("8","3","9","10","3","1","1") = "9"
    & skf18("8","3","9","10","3","2","1") = "9"
    & skf18("8","3","9","10","3","3","1") = "9"
    & skf18("8","3","9","10","3","4","1") = "9"
    & skf18("8","3","9","10","3","5","1") = "9"
    & skf18("8","3","9","10","3","6","1") = "9"
    & skf18("8","3","9","10","3","7","1") = "9"
    & skf18("8","3","9","10","3","8","1") = "9"
    & skf18("8","3","9","10","3","9","1") = "9"
    & skf18("8","3","9","10","3","10","1") = "9"
    & skf18("8","3","9","10","4","1","1") = "9"
    & skf18("8","3","9","10","4","2","1") = "9"
    & skf18("8","3","9","10","4","3","1") = "9"
    & skf18("8","3","9","10","4","4","1") = "9"
    & skf18("8","3","9","10","4","5","1") = "9"
    & skf18("8","3","9","10","4","6","1") = "9"
    & skf18("8","3","9","10","4","7","1") = "9"
    & skf18("8","3","9","10","4","8","1") = "9"
    & skf18("8","3","9","10","4","9","1") = "9"
    & skf18("8","3","9","10","4","10","1") = "9"
    & skf18("8","3","9","10","5","1","1") = "9"
    & skf18("8","3","9","10","5","2","1") = "9"
    & skf18("8","3","9","10","5","3","1") = "9"
    & skf18("8","3","9","10","5","4","1") = "9"
    & skf18("8","3","9","10","5","5","1") = "9"
    & skf18("8","3","9","10","5","6","1") = "9"
    & skf18("8","3","9","10","5","7","1") = "9"
    & skf18("8","3","9","10","5","8","1") = "9"
    & skf18("8","3","9","10","5","9","1") = "9"
    & skf18("8","3","9","10","5","10","1") = "9"
    & skf18("8","3","9","10","6","1","1") = "9"
    & skf18("8","3","9","10","6","2","1") = "9"
    & skf18("8","3","9","10","6","3","1") = "9"
    & skf18("8","3","9","10","6","4","1") = "9"
    & skf18("8","3","9","10","6","5","1") = "9"
    & skf18("8","3","9","10","6","6","1") = "9"
    & skf18("8","3","9","10","6","7","1") = "9"
    & skf18("8","3","9","10","6","8","1") = "9"
    & skf18("8","3","9","10","6","9","1") = "9"
    & skf18("8","3","9","10","6","10","1") = "9"
    & skf18("8","3","9","10","7","1","1") = "9"
    & skf18("8","3","9","10","7","2","1") = "9"
    & skf18("8","3","9","10","7","3","1") = "9"
    & skf18("8","3","9","10","7","4","1") = "9"
    & skf18("8","3","9","10","7","5","1") = "9"
    & skf18("8","3","9","10","7","6","1") = "9"
    & skf18("8","3","9","10","7","7","1") = "9"
    & skf18("8","3","9","10","7","8","1") = "9"
    & skf18("8","3","9","10","7","9","1") = "9"
    & skf18("8","3","9","10","7","10","1") = "9"
    & skf18("8","3","9","10","8","1","1") = "9"
    & skf18("8","3","9","10","8","2","1") = "9"
    & skf18("8","3","9","10","8","3","1") = "9"
    & skf18("8","3","9","10","8","4","1") = "9"
    & skf18("8","3","9","10","8","5","1") = "9"
    & skf18("8","3","9","10","8","6","1") = "9"
    & skf18("8","3","9","10","8","7","1") = "9"
    & skf18("8","3","9","10","8","8","1") = "9"
    & skf18("8","3","9","10","8","9","1") = "9"
    & skf18("8","3","9","10","8","10","1") = "9"
    & skf18("8","3","9","10","9","1","1") = "9"
    & skf18("8","3","9","10","9","2","1") = "9"
    & skf18("8","3","9","10","9","3","1") = "9"
    & skf18("8","3","9","10","9","4","1") = "9"
    & skf18("8","3","9","10","9","5","1") = "9"
    & skf18("8","3","9","10","9","6","1") = "9"
    & skf18("8","3","9","10","9","7","1") = "9"
    & skf18("8","3","9","10","9","8","1") = "9"
    & skf18("8","3","9","10","9","9","1") = "9"
    & skf18("8","3","9","10","9","10","1") = "9"
    & skf18("8","3","9","10","10","1","1") = "9"
    & skf18("8","3","9","10","10","2","1") = "9"
    & skf18("8","3","9","10","10","3","1") = "9"
    & skf18("8","3","9","10","10","4","1") = "9"
    & skf18("8","3","9","10","10","5","1") = "9"
    & skf18("8","3","9","10","10","6","1") = "9"
    & skf18("8","3","9","10","10","7","1") = "9"
    & skf18("8","3","9","10","10","8","1") = "9"
    & skf18("8","3","9","10","10","9","1") = "9"
    & skf18("8","3","9","10","10","10","1") = "9"
    & skf18("8","3","10","1","1","1","1") = "9"
    & skf18("8","3","10","1","1","2","1") = "9"
    & skf18("8","3","10","1","1","3","1") = "9"
    & skf18("8","3","10","1","1","4","1") = "9"
    & skf18("8","3","10","1","1","5","1") = "9"
    & skf18("8","3","10","1","1","6","1") = "9"
    & skf18("8","3","10","1","1","7","1") = "9"
    & skf18("8","3","10","1","1","8","1") = "9"
    & skf18("8","3","10","1","1","9","1") = "9"
    & skf18("8","3","10","1","1","10","1") = "9"
    & skf18("8","3","10","1","2","1","1") = "9"
    & skf18("8","3","10","1","2","2","1") = "9"
    & skf18("8","3","10","1","2","3","1") = "9"
    & skf18("8","3","10","1","2","4","1") = "9"
    & skf18("8","3","10","1","2","5","1") = "9"
    & skf18("8","3","10","1","2","6","1") = "9"
    & skf18("8","3","10","1","2","7","1") = "9"
    & skf18("8","3","10","1","2","8","1") = "9"
    & skf18("8","3","10","1","2","9","1") = "9"
    & skf18("8","3","10","1","2","10","1") = "9"
    & skf18("8","3","10","1","3","1","1") = "9"
    & skf18("8","3","10","1","3","2","1") = "9"
    & skf18("8","3","10","1","3","3","1") = "9"
    & skf18("8","3","10","1","3","4","1") = "9"
    & skf18("8","3","10","1","3","5","1") = "9"
    & skf18("8","3","10","1","3","6","1") = "9"
    & skf18("8","3","10","1","3","7","1") = "9"
    & skf18("8","3","10","1","3","8","1") = "9"
    & skf18("8","3","10","1","3","9","1") = "9"
    & skf18("8","3","10","1","3","10","1") = "9"
    & skf18("8","3","10","1","4","1","1") = "9"
    & skf18("8","3","10","1","4","2","1") = "9"
    & skf18("8","3","10","1","4","3","1") = "9"
    & skf18("8","3","10","1","4","4","1") = "9"
    & skf18("8","3","10","1","4","5","1") = "9"
    & skf18("8","3","10","1","4","6","1") = "9"
    & skf18("8","3","10","1","4","7","1") = "9"
    & skf18("8","3","10","1","4","8","1") = "9"
    & skf18("8","3","10","1","4","9","1") = "9"
    & skf18("8","3","10","1","4","10","1") = "9"
    & skf18("8","3","10","1","5","1","1") = "9"
    & skf18("8","3","10","1","5","2","1") = "9"
    & skf18("8","3","10","1","5","3","1") = "9"
    & skf18("8","3","10","1","5","4","1") = "9"
    & skf18("8","3","10","1","5","5","1") = "9"
    & skf18("8","3","10","1","5","6","1") = "9"
    & skf18("8","3","10","1","5","7","1") = "9"
    & skf18("8","3","10","1","5","8","1") = "9"
    & skf18("8","3","10","1","5","9","1") = "9"
    & skf18("8","3","10","1","5","10","1") = "9"
    & skf18("8","3","10","1","6","1","1") = "9"
    & skf18("8","3","10","1","6","2","1") = "9"
    & skf18("8","3","10","1","6","3","1") = "9"
    & skf18("8","3","10","1","6","4","1") = "9"
    & skf18("8","3","10","1","6","5","1") = "9"
    & skf18("8","3","10","1","6","6","1") = "9"
    & skf18("8","3","10","1","6","7","1") = "9"
    & skf18("8","3","10","1","6","8","1") = "9"
    & skf18("8","3","10","1","6","9","1") = "9"
    & skf18("8","3","10","1","6","10","1") = "9"
    & skf18("8","3","10","1","7","1","1") = "9"
    & skf18("8","3","10","1","7","2","1") = "9"
    & skf18("8","3","10","1","7","3","1") = "9"
    & skf18("8","3","10","1","7","4","1") = "9"
    & skf18("8","3","10","1","7","5","1") = "9"
    & skf18("8","3","10","1","7","6","1") = "9"
    & skf18("8","3","10","1","7","7","1") = "9"
    & skf18("8","3","10","1","7","8","1") = "9"
    & skf18("8","3","10","1","7","9","1") = "9"
    & skf18("8","3","10","1","7","10","1") = "9"
    & skf18("8","3","10","1","8","1","1") = "9"
    & skf18("8","3","10","1","8","2","1") = "9"
    & skf18("8","3","10","1","8","3","1") = "9"
    & skf18("8","3","10","1","8","4","1") = "9"
    & skf18("8","3","10","1","8","5","1") = "9"
    & skf18("8","3","10","1","8","6","1") = "9"
    & skf18("8","3","10","1","8","7","1") = "9"
    & skf18("8","3","10","1","8","8","1") = "9"
    & skf18("8","3","10","1","8","9","1") = "9"
    & skf18("8","3","10","1","8","10","1") = "9"
    & skf18("8","3","10","1","9","1","1") = "9"
    & skf18("8","3","10","1","9","2","1") = "9"
    & skf18("8","3","10","1","9","3","1") = "9"
    & skf18("8","3","10","1","9","4","1") = "9"
    & skf18("8","3","10","1","9","5","1") = "9"
    & skf18("8","3","10","1","9","6","1") = "9"
    & skf18("8","3","10","1","9","7","1") = "9"
    & skf18("8","3","10","1","9","8","1") = "9"
    & skf18("8","3","10","1","9","9","1") = "9"
    & skf18("8","3","10","1","9","10","1") = "9"
    & skf18("8","3","10","1","10","1","1") = "9"
    & skf18("8","3","10","1","10","2","1") = "9"
    & skf18("8","3","10","1","10","3","1") = "9"
    & skf18("8","3","10","1","10","4","1") = "9"
    & skf18("8","3","10","1","10","5","1") = "9"
    & skf18("8","3","10","1","10","6","1") = "9"
    & skf18("8","3","10","1","10","7","1") = "9"
    & skf18("8","3","10","1","10","8","1") = "9"
    & skf18("8","3","10","1","10","9","1") = "9"
    & skf18("8","3","10","1","10","10","1") = "9"
    & skf18("8","3","10","2","1","1","1") = "9"
    & skf18("8","3","10","2","1","2","1") = "9"
    & skf18("8","3","10","2","1","3","1") = "9"
    & skf18("8","3","10","2","1","4","1") = "9"
    & skf18("8","3","10","2","1","5","1") = "9"
    & skf18("8","3","10","2","1","6","1") = "9"
    & skf18("8","3","10","2","1","7","1") = "9"
    & skf18("8","3","10","2","1","8","1") = "9"
    & skf18("8","3","10","2","1","9","1") = "9"
    & skf18("8","3","10","2","1","10","1") = "9"
    & skf18("8","3","10","2","2","1","1") = "9"
    & skf18("8","3","10","2","2","2","1") = "9"
    & skf18("8","3","10","2","2","3","1") = "9"
    & skf18("8","3","10","2","2","4","1") = "9"
    & skf18("8","3","10","2","2","5","1") = "9"
    & skf18("8","3","10","2","2","6","1") = "9"
    & skf18("8","3","10","2","2","7","1") = "9"
    & skf18("8","3","10","2","2","8","1") = "9"
    & skf18("8","3","10","2","2","9","1") = "9"
    & skf18("8","3","10","2","2","10","1") = "9"
    & skf18("8","3","10","2","3","1","1") = "9"
    & skf18("8","3","10","2","3","2","1") = "9"
    & skf18("8","3","10","2","3","3","1") = "9"
    & skf18("8","3","10","2","3","4","1") = "9"
    & skf18("8","3","10","2","3","5","1") = "9"
    & skf18("8","3","10","2","3","6","1") = "9"
    & skf18("8","3","10","2","3","7","1") = "9"
    & skf18("8","3","10","2","3","8","1") = "9"
    & skf18("8","3","10","2","3","9","1") = "9"
    & skf18("8","3","10","2","3","10","1") = "9"
    & skf18("8","3","10","2","4","1","1") = "9"
    & skf18("8","3","10","2","4","2","1") = "9"
    & skf18("8","3","10","2","4","3","1") = "9"
    & skf18("8","3","10","2","4","4","1") = "9"
    & skf18("8","3","10","2","4","5","1") = "9"
    & skf18("8","3","10","2","4","6","1") = "9"
    & skf18("8","3","10","2","4","7","1") = "9"
    & skf18("8","3","10","2","4","8","1") = "9"
    & skf18("8","3","10","2","4","9","1") = "9"
    & skf18("8","3","10","2","4","10","1") = "9"
    & skf18("8","3","10","2","5","1","1") = "9"
    & skf18("8","3","10","2","5","2","1") = "9"
    & skf18("8","3","10","2","5","3","1") = "9"
    & skf18("8","3","10","2","5","4","1") = "9"
    & skf18("8","3","10","2","5","5","1") = "9"
    & skf18("8","3","10","2","5","6","1") = "9"
    & skf18("8","3","10","2","5","7","1") = "9"
    & skf18("8","3","10","2","5","8","1") = "9"
    & skf18("8","3","10","2","5","9","1") = "9"
    & skf18("8","3","10","2","5","10","1") = "9"
    & skf18("8","3","10","2","6","1","1") = "9"
    & skf18("8","3","10","2","6","2","1") = "9"
    & skf18("8","3","10","2","6","3","1") = "9"
    & skf18("8","3","10","2","6","4","1") = "9"
    & skf18("8","3","10","2","6","5","1") = "9"
    & skf18("8","3","10","2","6","6","1") = "9"
    & skf18("8","3","10","2","6","7","1") = "9"
    & skf18("8","3","10","2","6","8","1") = "9"
    & skf18("8","3","10","2","6","9","1") = "9"
    & skf18("8","3","10","2","6","10","1") = "9"
    & skf18("8","3","10","2","7","1","1") = "9"
    & skf18("8","3","10","2","7","2","1") = "9"
    & skf18("8","3","10","2","7","3","1") = "9"
    & skf18("8","3","10","2","7","4","1") = "9"
    & skf18("8","3","10","2","7","5","1") = "9"
    & skf18("8","3","10","2","7","6","1") = "9"
    & skf18("8","3","10","2","7","7","1") = "9"
    & skf18("8","3","10","2","7","8","1") = "9"
    & skf18("8","3","10","2","7","9","1") = "9"
    & skf18("8","3","10","2","7","10","1") = "9"
    & skf18("8","3","10","2","8","1","1") = "9"
    & skf18("8","3","10","2","8","2","1") = "9"
    & skf18("8","3","10","2","8","3","1") = "9"
    & skf18("8","3","10","2","8","4","1") = "9"
    & skf18("8","3","10","2","8","5","1") = "9"
    & skf18("8","3","10","2","8","6","1") = "9"
    & skf18("8","3","10","2","8","7","1") = "9"
    & skf18("8","3","10","2","8","8","1") = "9"
    & skf18("8","3","10","2","8","9","1") = "9"
    & skf18("8","3","10","2","8","10","1") = "9"
    & skf18("8","3","10","2","9","1","1") = "9"
    & skf18("8","3","10","2","9","2","1") = "9"
    & skf18("8","3","10","2","9","3","1") = "9"
    & skf18("8","3","10","2","9","4","1") = "9"
    & skf18("8","3","10","2","9","5","1") = "9"
    & skf18("8","3","10","2","9","6","1") = "9"
    & skf18("8","3","10","2","9","7","1") = "9"
    & skf18("8","3","10","2","9","8","1") = "9"
    & skf18("8","3","10","2","9","9","1") = "9"
    & skf18("8","3","10","2","9","10","1") = "9"
    & skf18("8","3","10","2","10","1","1") = "9"
    & skf18("8","3","10","2","10","2","1") = "9"
    & skf18("8","3","10","2","10","3","1") = "9"
    & skf18("8","3","10","2","10","4","1") = "9"
    & skf18("8","3","10","2","10","5","1") = "9"
    & skf18("8","3","10","2","10","6","1") = "9"
    & skf18("8","3","10","2","10","7","1") = "9"
    & skf18("8","3","10","2","10","8","1") = "9"
    & skf18("8","3","10","2","10","9","1") = "9"
    & skf18("8","3","10","2","10","10","1") = "9"
    & skf18("8","3","10","3","1","1","1") = "9"
    & skf18("8","3","10","3","1","2","1") = "9"
    & skf18("8","3","10","3","1","3","1") = "9"
    & skf18("8","3","10","3","1","4","1") = "9"
    & skf18("8","3","10","3","1","5","1") = "9"
    & skf18("8","3","10","3","1","6","1") = "9"
    & skf18("8","3","10","3","1","7","1") = "9"
    & skf18("8","3","10","3","1","8","1") = "9"
    & skf18("8","3","10","3","1","9","1") = "9"
    & skf18("8","3","10","3","1","10","1") = "9"
    & skf18("8","3","10","3","2","1","1") = "9"
    & skf18("8","3","10","3","2","2","1") = "9"
    & skf18("8","3","10","3","2","3","1") = "9"
    & skf18("8","3","10","3","2","4","1") = "9"
    & skf18("8","3","10","3","2","5","1") = "9"
    & skf18("8","3","10","3","2","6","1") = "9"
    & skf18("8","3","10","3","2","7","1") = "9"
    & skf18("8","3","10","3","2","8","1") = "9"
    & skf18("8","3","10","3","2","9","1") = "9"
    & skf18("8","3","10","3","2","10","1") = "9"
    & skf18("8","3","10","3","3","1","1") = "9"
    & skf18("8","3","10","3","3","2","1") = "9"
    & skf18("8","3","10","3","3","3","1") = "9"
    & skf18("8","3","10","3","3","4","1") = "9"
    & skf18("8","3","10","3","3","5","1") = "9"
    & skf18("8","3","10","3","3","6","1") = "9"
    & skf18("8","3","10","3","3","7","1") = "9"
    & skf18("8","3","10","3","3","8","1") = "9"
    & skf18("8","3","10","3","3","9","1") = "9"
    & skf18("8","3","10","3","3","10","1") = "9"
    & skf18("8","3","10","3","4","1","1") = "9"
    & skf18("8","3","10","3","4","2","1") = "9"
    & skf18("8","3","10","3","4","3","1") = "9"
    & skf18("8","3","10","3","4","4","1") = "9"
    & skf18("8","3","10","3","4","5","1") = "9"
    & skf18("8","3","10","3","4","6","1") = "9"
    & skf18("8","3","10","3","4","7","1") = "9"
    & skf18("8","3","10","3","4","8","1") = "9"
    & skf18("8","3","10","3","4","9","1") = "9"
    & skf18("8","3","10","3","4","10","1") = "9"
    & skf18("8","3","10","3","5","1","1") = "9"
    & skf18("8","3","10","3","5","2","1") = "9"
    & skf18("8","3","10","3","5","3","1") = "9"
    & skf18("8","3","10","3","5","4","1") = "9"
    & skf18("8","3","10","3","5","5","1") = "9"
    & skf18("8","3","10","3","5","6","1") = "9"
    & skf18("8","3","10","3","5","7","1") = "9"
    & skf18("8","3","10","3","5","8","1") = "9"
    & skf18("8","3","10","3","5","9","1") = "9"
    & skf18("8","3","10","3","5","10","1") = "9"
    & skf18("8","3","10","3","6","1","1") = "9"
    & skf18("8","3","10","3","6","2","1") = "9"
    & skf18("8","3","10","3","6","3","1") = "9"
    & skf18("8","3","10","3","6","4","1") = "9"
    & skf18("8","3","10","3","6","5","1") = "9"
    & skf18("8","3","10","3","6","6","1") = "9"
    & skf18("8","3","10","3","6","7","1") = "9"
    & skf18("8","3","10","3","6","8","1") = "9"
    & skf18("8","3","10","3","6","9","1") = "9"
    & skf18("8","3","10","3","6","10","1") = "9"
    & skf18("8","3","10","3","7","1","1") = "9"
    & skf18("8","3","10","3","7","2","1") = "9"
    & skf18("8","3","10","3","7","3","1") = "9"
    & skf18("8","3","10","3","7","4","1") = "9"
    & skf18("8","3","10","3","7","5","1") = "9"
    & skf18("8","3","10","3","7","6","1") = "9"
    & skf18("8","3","10","3","7","7","1") = "9"
    & skf18("8","3","10","3","7","8","1") = "9"
    & skf18("8","3","10","3","7","9","1") = "9"
    & skf18("8","3","10","3","7","10","1") = "9"
    & skf18("8","3","10","3","8","1","1") = "9"
    & skf18("8","3","10","3","8","2","1") = "9"
    & skf18("8","3","10","3","8","3","1") = "9"
    & skf18("8","3","10","3","8","4","1") = "9"
    & skf18("8","3","10","3","8","5","1") = "9"
    & skf18("8","3","10","3","8","6","1") = "9"
    & skf18("8","3","10","3","8","7","1") = "9"
    & skf18("8","3","10","3","8","8","1") = "9"
    & skf18("8","3","10","3","8","9","1") = "9"
    & skf18("8","3","10","3","8","10","1") = "9"
    & skf18("8","3","10","3","9","1","1") = "9"
    & skf18("8","3","10","3","9","2","1") = "9"
    & skf18("8","3","10","3","9","3","1") = "9"
    & skf18("8","3","10","3","9","4","1") = "9"
    & skf18("8","3","10","3","9","5","1") = "9"
    & skf18("8","3","10","3","9","6","1") = "9"
    & skf18("8","3","10","3","9","7","1") = "9"
    & skf18("8","3","10","3","9","8","1") = "9"
    & skf18("8","3","10","3","9","9","1") = "9"
    & skf18("8","3","10","3","9","10","1") = "9"
    & skf18("8","3","10","3","10","1","1") = "9"
    & skf18("8","3","10","3","10","2","1") = "9"
    & skf18("8","3","10","3","10","3","1") = "9"
    & skf18("8","3","10","3","10","4","1") = "9"
    & skf18("8","3","10","3","10","5","1") = "9"
    & skf18("8","3","10","3","10","6","1") = "9"
    & skf18("8","3","10","3","10","7","1") = "9"
    & skf18("8","3","10","3","10","8","1") = "9"
    & skf18("8","3","10","3","10","9","1") = "9"
    & skf18("8","3","10","3","10","10","1") = "9"
    & skf18("8","3","10","4","1","1","1") = "9"
    & skf18("8","3","10","4","1","2","1") = "9"
    & skf18("8","3","10","4","1","3","1") = "9"
    & skf18("8","3","10","4","1","4","1") = "9"
    & skf18("8","3","10","4","1","5","1") = "9"
    & skf18("8","3","10","4","1","6","1") = "9"
    & skf18("8","3","10","4","1","7","1") = "9"
    & skf18("8","3","10","4","1","8","1") = "9"
    & skf18("8","3","10","4","1","9","1") = "9"
    & skf18("8","3","10","4","1","10","1") = "9"
    & skf18("8","3","10","4","2","1","1") = "9"
    & skf18("8","3","10","4","2","2","1") = "9"
    & skf18("8","3","10","4","2","3","1") = "9"
    & skf18("8","3","10","4","2","4","1") = "9"
    & skf18("8","3","10","4","2","5","1") = "9"
    & skf18("8","3","10","4","2","6","1") = "9"
    & skf18("8","3","10","4","2","7","1") = "9"
    & skf18("8","3","10","4","2","8","1") = "9"
    & skf18("8","3","10","4","2","9","1") = "9"
    & skf18("8","3","10","4","2","10","1") = "9"
    & skf18("8","3","10","4","3","1","1") = "9"
    & skf18("8","3","10","4","3","2","1") = "9"
    & skf18("8","3","10","4","3","3","1") = "9"
    & skf18("8","3","10","4","3","4","1") = "9"
    & skf18("8","3","10","4","3","5","1") = "9"
    & skf18("8","3","10","4","3","6","1") = "9"
    & skf18("8","3","10","4","3","7","1") = "9"
    & skf18("8","3","10","4","3","8","1") = "9"
    & skf18("8","3","10","4","3","9","1") = "9"
    & skf18("8","3","10","4","3","10","1") = "9"
    & skf18("8","3","10","4","4","1","1") = "9"
    & skf18("8","3","10","4","4","2","1") = "9"
    & skf18("8","3","10","4","4","3","1") = "9"
    & skf18("8","3","10","4","4","4","1") = "9"
    & skf18("8","3","10","4","4","5","1") = "9"
    & skf18("8","3","10","4","4","6","1") = "9"
    & skf18("8","3","10","4","4","7","1") = "9"
    & skf18("8","3","10","4","4","8","1") = "9"
    & skf18("8","3","10","4","4","9","1") = "9"
    & skf18("8","3","10","4","4","10","1") = "9"
    & skf18("8","3","10","4","5","1","1") = "9"
    & skf18("8","3","10","4","5","2","1") = "9"
    & skf18("8","3","10","4","5","3","1") = "9"
    & skf18("8","3","10","4","5","4","1") = "9"
    & skf18("8","3","10","4","5","5","1") = "9"
    & skf18("8","3","10","4","5","6","1") = "9"
    & skf18("8","3","10","4","5","7","1") = "9"
    & skf18("8","3","10","4","5","8","1") = "9"
    & skf18("8","3","10","4","5","9","1") = "9"
    & skf18("8","3","10","4","5","10","1") = "9"
    & skf18("8","3","10","4","6","1","1") = "9"
    & skf18("8","3","10","4","6","2","1") = "9"
    & skf18("8","3","10","4","6","3","1") = "9"
    & skf18("8","3","10","4","6","4","1") = "9"
    & skf18("8","3","10","4","6","5","1") = "9"
    & skf18("8","3","10","4","6","6","1") = "9"
    & skf18("8","3","10","4","6","7","1") = "9"
    & skf18("8","3","10","4","6","8","1") = "9"
    & skf18("8","3","10","4","6","9","1") = "9"
    & skf18("8","3","10","4","6","10","1") = "9"
    & skf18("8","3","10","4","7","1","1") = "9"
    & skf18("8","3","10","4","7","2","1") = "9"
    & skf18("8","3","10","4","7","3","1") = "9"
    & skf18("8","3","10","4","7","4","1") = "9"
    & skf18("8","3","10","4","7","5","1") = "9"
    & skf18("8","3","10","4","7","6","1") = "9"
    & skf18("8","3","10","4","7","7","1") = "9"
    & skf18("8","3","10","4","7","8","1") = "9"
    & skf18("8","3","10","4","7","9","1") = "9"
    & skf18("8","3","10","4","7","10","1") = "9"
    & skf18("8","3","10","4","8","1","1") = "9"
    & skf18("8","3","10","4","8","2","1") = "9"
    & skf18("8","3","10","4","8","3","1") = "9"
    & skf18("8","3","10","4","8","4","1") = "9"
    & skf18("8","3","10","4","8","5","1") = "9"
    & skf18("8","3","10","4","8","6","1") = "9"
    & skf18("8","3","10","4","8","7","1") = "9"
    & skf18("8","3","10","4","8","8","1") = "9"
    & skf18("8","3","10","4","8","9","1") = "9"
    & skf18("8","3","10","4","8","10","1") = "9"
    & skf18("8","3","10","4","9","1","1") = "9"
    & skf18("8","3","10","4","9","2","1") = "9"
    & skf18("8","3","10","4","9","3","1") = "9"
    & skf18("8","3","10","4","9","4","1") = "9"
    & skf18("8","3","10","4","9","5","1") = "9"
    & skf18("8","3","10","4","9","6","1") = "9"
    & skf18("8","3","10","4","9","7","1") = "9"
    & skf18("8","3","10","4","9","8","1") = "9"
    & skf18("8","3","10","4","9","9","1") = "9"
    & skf18("8","3","10","4","9","10","1") = "9"
    & skf18("8","3","10","4","10","1","1") = "9"
    & skf18("8","3","10","4","10","2","1") = "9"
    & skf18("8","3","10","4","10","3","1") = "9"
    & skf18("8","3","10","4","10","4","1") = "9"
    & skf18("8","3","10","4","10","5","1") = "9"
    & skf18("8","3","10","4","10","6","1") = "9"
    & skf18("8","3","10","4","10","7","1") = "9"
    & skf18("8","3","10","4","10","8","1") = "9"
    & skf18("8","3","10","4","10","9","1") = "9"
    & skf18("8","3","10","4","10","10","1") = "9"
    & skf18("8","3","10","5","1","1","1") = "9"
    & skf18("8","3","10","5","1","2","1") = "9"
    & skf18("8","3","10","5","1","3","1") = "9"
    & skf18("8","3","10","5","1","4","1") = "9"
    & skf18("8","3","10","5","1","5","1") = "9"
    & skf18("8","3","10","5","1","6","1") = "9"
    & skf18("8","3","10","5","1","7","1") = "9"
    & skf18("8","3","10","5","1","8","1") = "9"
    & skf18("8","3","10","5","1","9","1") = "9"
    & skf18("8","3","10","5","1","10","1") = "9"
    & skf18("8","3","10","5","2","1","1") = "9"
    & skf18("8","3","10","5","2","2","1") = "9"
    & skf18("8","3","10","5","2","3","1") = "9"
    & skf18("8","3","10","5","2","4","1") = "9"
    & skf18("8","3","10","5","2","5","1") = "9"
    & skf18("8","3","10","5","2","6","1") = "9"
    & skf18("8","3","10","5","2","7","1") = "9"
    & skf18("8","3","10","5","2","8","1") = "9"
    & skf18("8","3","10","5","2","9","1") = "9"
    & skf18("8","3","10","5","2","10","1") = "9"
    & skf18("8","3","10","5","3","1","1") = "9"
    & skf18("8","3","10","5","3","2","1") = "9"
    & skf18("8","3","10","5","3","3","1") = "9"
    & skf18("8","3","10","5","3","4","1") = "9"
    & skf18("8","3","10","5","3","5","1") = "9"
    & skf18("8","3","10","5","3","6","1") = "9"
    & skf18("8","3","10","5","3","7","1") = "9"
    & skf18("8","3","10","5","3","8","1") = "9"
    & skf18("8","3","10","5","3","9","1") = "9"
    & skf18("8","3","10","5","3","10","1") = "9"
    & skf18("8","3","10","5","4","1","1") = "9"
    & skf18("8","3","10","5","4","2","1") = "9"
    & skf18("8","3","10","5","4","3","1") = "9"
    & skf18("8","3","10","5","4","4","1") = "9"
    & skf18("8","3","10","5","4","5","1") = "9"
    & skf18("8","3","10","5","4","6","1") = "9"
    & skf18("8","3","10","5","4","7","1") = "9"
    & skf18("8","3","10","5","4","8","1") = "9"
    & skf18("8","3","10","5","4","9","1") = "9"
    & skf18("8","3","10","5","4","10","1") = "9"
    & skf18("8","3","10","5","5","1","1") = "9"
    & skf18("8","3","10","5","5","2","1") = "9"
    & skf18("8","3","10","5","5","3","1") = "9"
    & skf18("8","3","10","5","5","4","1") = "9"
    & skf18("8","3","10","5","5","5","1") = "9"
    & skf18("8","3","10","5","5","6","1") = "9"
    & skf18("8","3","10","5","5","7","1") = "9"
    & skf18("8","3","10","5","5","8","1") = "9"
    & skf18("8","3","10","5","5","9","1") = "9"
    & skf18("8","3","10","5","5","10","1") = "9"
    & skf18("8","3","10","5","6","1","1") = "9"
    & skf18("8","3","10","5","6","2","1") = "9"
    & skf18("8","3","10","5","6","3","1") = "9"
    & skf18("8","3","10","5","6","4","1") = "9"
    & skf18("8","3","10","5","6","5","1") = "9"
    & skf18("8","3","10","5","6","6","1") = "9"
    & skf18("8","3","10","5","6","7","1") = "9"
    & skf18("8","3","10","5","6","8","1") = "9"
    & skf18("8","3","10","5","6","9","1") = "9"
    & skf18("8","3","10","5","6","10","1") = "9"
    & skf18("8","3","10","5","7","1","1") = "9"
    & skf18("8","3","10","5","7","2","1") = "9"
    & skf18("8","3","10","5","7","3","1") = "9"
    & skf18("8","3","10","5","7","4","1") = "9"
    & skf18("8","3","10","5","7","5","1") = "9"
    & skf18("8","3","10","5","7","6","1") = "9"
    & skf18("8","3","10","5","7","7","1") = "9"
    & skf18("8","3","10","5","7","8","1") = "9"
    & skf18("8","3","10","5","7","9","1") = "9"
    & skf18("8","3","10","5","7","10","1") = "9"
    & skf18("8","3","10","5","8","1","1") = "9"
    & skf18("8","3","10","5","8","2","1") = "9"
    & skf18("8","3","10","5","8","3","1") = "9"
    & skf18("8","3","10","5","8","4","1") = "9"
    & skf18("8","3","10","5","8","5","1") = "9"
    & skf18("8","3","10","5","8","6","1") = "9"
    & skf18("8","3","10","5","8","7","1") = "9"
    & skf18("8","3","10","5","8","8","1") = "9"
    & skf18("8","3","10","5","8","9","1") = "9"
    & skf18("8","3","10","5","8","10","1") = "9"
    & skf18("8","3","10","5","9","1","1") = "9"
    & skf18("8","3","10","5","9","2","1") = "9"
    & skf18("8","3","10","5","9","3","1") = "9"
    & skf18("8","3","10","5","9","4","1") = "9"
    & skf18("8","3","10","5","9","5","1") = "9"
    & skf18("8","3","10","5","9","6","1") = "9"
    & skf18("8","3","10","5","9","7","1") = "9"
    & skf18("8","3","10","5","9","8","1") = "9"
    & skf18("8","3","10","5","9","9","1") = "9"
    & skf18("8","3","10","5","9","10","1") = "9"
    & skf18("8","3","10","5","10","1","1") = "9"
    & skf18("8","3","10","5","10","2","1") = "9"
    & skf18("8","3","10","5","10","3","1") = "9"
    & skf18("8","3","10","5","10","4","1") = "9"
    & skf18("8","3","10","5","10","5","1") = "9"
    & skf18("8","3","10","5","10","6","1") = "9"
    & skf18("8","3","10","5","10","7","1") = "9"
    & skf18("8","3","10","5","10","8","1") = "9"
    & skf18("8","3","10","5","10","9","1") = "9"
    & skf18("8","3","10","5","10","10","1") = "9"
    & skf18("8","3","10","6","1","1","1") = "9"
    & skf18("8","3","10","6","1","2","1") = "9"
    & skf18("8","3","10","6","1","3","1") = "9"
    & skf18("8","3","10","6","1","4","1") = "9"
    & skf18("8","3","10","6","1","5","1") = "9"
    & skf18("8","3","10","6","1","6","1") = "9"
    & skf18("8","3","10","6","1","7","1") = "9"
    & skf18("8","3","10","6","1","8","1") = "9"
    & skf18("8","3","10","6","1","9","1") = "9"
    & skf18("8","3","10","6","1","10","1") = "9"
    & skf18("8","3","10","6","2","1","1") = "9"
    & skf18("8","3","10","6","2","2","1") = "9"
    & skf18("8","3","10","6","2","3","1") = "9"
    & skf18("8","3","10","6","2","4","1") = "9"
    & skf18("8","3","10","6","2","5","1") = "9"
    & skf18("8","3","10","6","2","6","1") = "9"
    & skf18("8","3","10","6","2","7","1") = "9"
    & skf18("8","3","10","6","2","8","1") = "9"
    & skf18("8","3","10","6","2","9","1") = "9"
    & skf18("8","3","10","6","2","10","1") = "9"
    & skf18("8","3","10","6","3","1","1") = "9"
    & skf18("8","3","10","6","3","2","1") = "9"
    & skf18("8","3","10","6","3","3","1") = "9"
    & skf18("8","3","10","6","3","4","1") = "9"
    & skf18("8","3","10","6","3","5","1") = "9"
    & skf18("8","3","10","6","3","6","1") = "9"
    & skf18("8","3","10","6","3","7","1") = "9"
    & skf18("8","3","10","6","3","8","1") = "9"
    & skf18("8","3","10","6","3","9","1") = "9"
    & skf18("8","3","10","6","3","10","1") = "9"
    & skf18("8","3","10","6","4","1","1") = "9"
    & skf18("8","3","10","6","4","2","1") = "9"
    & skf18("8","3","10","6","4","3","1") = "9"
    & skf18("8","3","10","6","4","4","1") = "9"
    & skf18("8","3","10","6","4","5","1") = "9"
    & skf18("8","3","10","6","4","6","1") = "9"
    & skf18("8","3","10","6","4","7","1") = "9"
    & skf18("8","3","10","6","4","8","1") = "9"
    & skf18("8","3","10","6","4","9","1") = "9"
    & skf18("8","3","10","6","4","10","1") = "9"
    & skf18("8","3","10","6","5","1","1") = "9"
    & skf18("8","3","10","6","5","2","1") = "9"
    & skf18("8","3","10","6","5","3","1") = "9"
    & skf18("8","3","10","6","5","4","1") = "9"
    & skf18("8","3","10","6","5","5","1") = "9"
    & skf18("8","3","10","6","5","6","1") = "9"
    & skf18("8","3","10","6","5","7","1") = "9"
    & skf18("8","3","10","6","5","8","1") = "9"
    & skf18("8","3","10","6","5","9","1") = "9"
    & skf18("8","3","10","6","5","10","1") = "9"
    & skf18("8","3","10","6","6","1","1") = "9"
    & skf18("8","3","10","6","6","2","1") = "9"
    & skf18("8","3","10","6","6","3","1") = "9"
    & skf18("8","3","10","6","6","4","1") = "9"
    & skf18("8","3","10","6","6","5","1") = "9"
    & skf18("8","3","10","6","6","6","1") = "9"
    & skf18("8","3","10","6","6","7","1") = "9"
    & skf18("8","3","10","6","6","8","1") = "9"
    & skf18("8","3","10","6","6","9","1") = "9"
    & skf18("8","3","10","6","6","10","1") = "9"
    & skf18("8","3","10","6","7","1","1") = "9"
    & skf18("8","3","10","6","7","2","1") = "9"
    & skf18("8","3","10","6","7","3","1") = "9"
    & skf18("8","3","10","6","7","4","1") = "9"
    & skf18("8","3","10","6","7","5","1") = "9"
    & skf18("8","3","10","6","7","6","1") = "9"
    & skf18("8","3","10","6","7","7","1") = "9"
    & skf18("8","3","10","6","7","8","1") = "9"
    & skf18("8","3","10","6","7","9","1") = "9"
    & skf18("8","3","10","6","7","10","1") = "9"
    & skf18("8","3","10","6","8","1","1") = "9"
    & skf18("8","3","10","6","8","2","1") = "9"
    & skf18("8","3","10","6","8","3","1") = "9"
    & skf18("8","3","10","6","8","4","1") = "9"
    & skf18("8","3","10","6","8","5","1") = "9"
    & skf18("8","3","10","6","8","6","1") = "9"
    & skf18("8","3","10","6","8","7","1") = "9"
    & skf18("8","3","10","6","8","8","1") = "9"
    & skf18("8","3","10","6","8","9","1") = "9"
    & skf18("8","3","10","6","8","10","1") = "9"
    & skf18("8","3","10","6","9","1","1") = "9"
    & skf18("8","3","10","6","9","2","1") = "9"
    & skf18("8","3","10","6","9","3","1") = "9"
    & skf18("8","3","10","6","9","4","1") = "9"
    & skf18("8","3","10","6","9","5","1") = "9"
    & skf18("8","3","10","6","9","6","1") = "9"
    & skf18("8","3","10","6","9","7","1") = "9"
    & skf18("8","3","10","6","9","8","1") = "9"
    & skf18("8","3","10","6","9","9","1") = "9"
    & skf18("8","3","10","6","9","10","1") = "9"
    & skf18("8","3","10","6","10","1","1") = "9"
    & skf18("8","3","10","6","10","2","1") = "9"
    & skf18("8","3","10","6","10","3","1") = "9"
    & skf18("8","3","10","6","10","4","1") = "9"
    & skf18("8","3","10","6","10","5","1") = "9"
    & skf18("8","3","10","6","10","6","1") = "9"
    & skf18("8","3","10","6","10","7","1") = "9"
    & skf18("8","3","10","6","10","8","1") = "9"
    & skf18("8","3","10","6","10","9","1") = "9"
    & skf18("8","3","10","6","10","10","1") = "9"
    & skf18("8","3","10","7","1","1","1") = "9"
    & skf18("8","3","10","7","1","2","1") = "9"
    & skf18("8","3","10","7","1","3","1") = "9"
    & skf18("8","3","10","7","1","4","1") = "9"
    & skf18("8","3","10","7","1","5","1") = "9"
    & skf18("8","3","10","7","1","6","1") = "9"
    & skf18("8","3","10","7","1","7","1") = "9"
    & skf18("8","3","10","7","1","8","1") = "9"
    & skf18("8","3","10","7","1","9","1") = "9"
    & skf18("8","3","10","7","1","10","1") = "9"
    & skf18("8","3","10","7","2","1","1") = "9"
    & skf18("8","3","10","7","2","2","1") = "9"
    & skf18("8","3","10","7","2","3","1") = "9"
    & skf18("8","3","10","7","2","4","1") = "9"
    & skf18("8","3","10","7","2","5","1") = "9"
    & skf18("8","3","10","7","2","6","1") = "9"
    & skf18("8","3","10","7","2","7","1") = "9"
    & skf18("8","3","10","7","2","8","1") = "9"
    & skf18("8","3","10","7","2","9","1") = "9"
    & skf18("8","3","10","7","2","10","1") = "9"
    & skf18("8","3","10","7","3","1","1") = "9"
    & skf18("8","3","10","7","3","2","1") = "9"
    & skf18("8","3","10","7","3","3","1") = "9"
    & skf18("8","3","10","7","3","4","1") = "9"
    & skf18("8","3","10","7","3","5","1") = "9"
    & skf18("8","3","10","7","3","6","1") = "9"
    & skf18("8","3","10","7","3","7","1") = "9"
    & skf18("8","3","10","7","3","8","1") = "9"
    & skf18("8","3","10","7","3","9","1") = "9"
    & skf18("8","3","10","7","3","10","1") = "9"
    & skf18("8","3","10","7","4","1","1") = "9"
    & skf18("8","3","10","7","4","2","1") = "9"
    & skf18("8","3","10","7","4","3","1") = "9"
    & skf18("8","3","10","7","4","4","1") = "9"
    & skf18("8","3","10","7","4","5","1") = "9"
    & skf18("8","3","10","7","4","6","1") = "9"
    & skf18("8","3","10","7","4","7","1") = "9"
    & skf18("8","3","10","7","4","8","1") = "9"
    & skf18("8","3","10","7","4","9","1") = "9"
    & skf18("8","3","10","7","4","10","1") = "9"
    & skf18("8","3","10","7","5","1","1") = "9"
    & skf18("8","3","10","7","5","2","1") = "9"
    & skf18("8","3","10","7","5","3","1") = "9"
    & skf18("8","3","10","7","5","4","1") = "9"
    & skf18("8","3","10","7","5","5","1") = "9"
    & skf18("8","3","10","7","5","6","1") = "9"
    & skf18("8","3","10","7","5","7","1") = "9"
    & skf18("8","3","10","7","5","8","1") = "9"
    & skf18("8","3","10","7","5","9","1") = "9"
    & skf18("8","3","10","7","5","10","1") = "9"
    & skf18("8","3","10","7","6","1","1") = "9"
    & skf18("8","3","10","7","6","2","1") = "9"
    & skf18("8","3","10","7","6","3","1") = "9"
    & skf18("8","3","10","7","6","4","1") = "9"
    & skf18("8","3","10","7","6","5","1") = "9"
    & skf18("8","3","10","7","6","6","1") = "9"
    & skf18("8","3","10","7","6","7","1") = "9"
    & skf18("8","3","10","7","6","8","1") = "9"
    & skf18("8","3","10","7","6","9","1") = "9"
    & skf18("8","3","10","7","6","10","1") = "9"
    & skf18("8","3","10","7","7","1","1") = "9"
    & skf18("8","3","10","7","7","2","1") = "9"
    & skf18("8","3","10","7","7","3","1") = "9"
    & skf18("8","3","10","7","7","4","1") = "9"
    & skf18("8","3","10","7","7","5","1") = "9"
    & skf18("8","3","10","7","7","6","1") = "9"
    & skf18("8","3","10","7","7","7","1") = "9"
    & skf18("8","3","10","7","7","8","1") = "9"
    & skf18("8","3","10","7","7","9","1") = "9"
    & skf18("8","3","10","7","7","10","1") = "9"
    & skf18("8","3","10","7","8","1","1") = "9"
    & skf18("8","3","10","7","8","2","1") = "9"
    & skf18("8","3","10","7","8","3","1") = "9"
    & skf18("8","3","10","7","8","4","1") = "9"
    & skf18("8","3","10","7","8","5","1") = "9"
    & skf18("8","3","10","7","8","6","1") = "9"
    & skf18("8","3","10","7","8","7","1") = "9"
    & skf18("8","3","10","7","8","8","1") = "9"
    & skf18("8","3","10","7","8","9","1") = "9"
    & skf18("8","3","10","7","8","10","1") = "9"
    & skf18("8","3","10","7","9","1","1") = "9"
    & skf18("8","3","10","7","9","2","1") = "9"
    & skf18("8","3","10","7","9","3","1") = "9"
    & skf18("8","3","10","7","9","4","1") = "9"
    & skf18("8","3","10","7","9","5","1") = "9"
    & skf18("8","3","10","7","9","6","1") = "9"
    & skf18("8","3","10","7","9","7","1") = "9"
    & skf18("8","3","10","7","9","8","1") = "9"
    & skf18("8","3","10","7","9","9","1") = "9"
    & skf18("8","3","10","7","9","10","1") = "9"
    & skf18("8","3","10","7","10","1","1") = "9"
    & skf18("8","3","10","7","10","2","1") = "9"
    & skf18("8","3","10","7","10","3","1") = "9"
    & skf18("8","3","10","7","10","4","1") = "9"
    & skf18("8","3","10","7","10","5","1") = "9"
    & skf18("8","3","10","7","10","6","1") = "9"
    & skf18("8","3","10","7","10","7","1") = "9"
    & skf18("8","3","10","7","10","8","1") = "9"
    & skf18("8","3","10","7","10","9","1") = "9"
    & skf18("8","3","10","7","10","10","1") = "9"
    & skf18("8","3","10","8","1","1","1") = "9"
    & skf18("8","3","10","8","1","2","1") = "9"
    & skf18("8","3","10","8","1","3","1") = "9"
    & skf18("8","3","10","8","1","4","1") = "9"
    & skf18("8","3","10","8","1","5","1") = "9"
    & skf18("8","3","10","8","1","6","1") = "9"
    & skf18("8","3","10","8","1","7","1") = "9"
    & skf18("8","3","10","8","1","8","1") = "9"
    & skf18("8","3","10","8","1","9","1") = "9"
    & skf18("8","3","10","8","1","10","1") = "9"
    & skf18("8","3","10","8","2","1","1") = "9"
    & skf18("8","3","10","8","2","2","1") = "9"
    & skf18("8","3","10","8","2","3","1") = "9"
    & skf18("8","3","10","8","2","4","1") = "9"
    & skf18("8","3","10","8","2","5","1") = "9"
    & skf18("8","3","10","8","2","6","1") = "9"
    & skf18("8","3","10","8","2","7","1") = "9"
    & skf18("8","3","10","8","2","8","1") = "9"
    & skf18("8","3","10","8","2","9","1") = "9"
    & skf18("8","3","10","8","2","10","1") = "9"
    & skf18("8","3","10","8","3","1","1") = "9"
    & skf18("8","3","10","8","3","2","1") = "9"
    & skf18("8","3","10","8","3","3","1") = "9"
    & skf18("8","3","10","8","3","4","1") = "9"
    & skf18("8","3","10","8","3","5","1") = "9"
    & skf18("8","3","10","8","3","6","1") = "9"
    & skf18("8","3","10","8","3","7","1") = "9"
    & skf18("8","3","10","8","3","8","1") = "9"
    & skf18("8","3","10","8","3","9","1") = "9"
    & skf18("8","3","10","8","3","10","1") = "9"
    & skf18("8","3","10","8","4","1","1") = "9"
    & skf18("8","3","10","8","4","2","1") = "9"
    & skf18("8","3","10","8","4","3","1") = "9"
    & skf18("8","3","10","8","4","4","1") = "9"
    & skf18("8","3","10","8","4","5","1") = "9"
    & skf18("8","3","10","8","4","6","1") = "9"
    & skf18("8","3","10","8","4","7","1") = "9"
    & skf18("8","3","10","8","4","8","1") = "9"
    & skf18("8","3","10","8","4","9","1") = "9"
    & skf18("8","3","10","8","4","10","1") = "9"
    & skf18("8","3","10","8","5","1","1") = "9"
    & skf18("8","3","10","8","5","2","1") = "9"
    & skf18("8","3","10","8","5","3","1") = "9"
    & skf18("8","3","10","8","5","4","1") = "9"
    & skf18("8","3","10","8","5","5","1") = "9"
    & skf18("8","3","10","8","5","6","1") = "9"
    & skf18("8","3","10","8","5","7","1") = "9"
    & skf18("8","3","10","8","5","8","1") = "9"
    & skf18("8","3","10","8","5","9","1") = "9"
    & skf18("8","3","10","8","5","10","1") = "9"
    & skf18("8","3","10","8","6","1","1") = "9"
    & skf18("8","3","10","8","6","2","1") = "9"
    & skf18("8","3","10","8","6","3","1") = "9"
    & skf18("8","3","10","8","6","4","1") = "9"
    & skf18("8","3","10","8","6","5","1") = "9"
    & skf18("8","3","10","8","6","6","1") = "9"
    & skf18("8","3","10","8","6","7","1") = "9"
    & skf18("8","3","10","8","6","8","1") = "9"
    & skf18("8","3","10","8","6","9","1") = "9"
    & skf18("8","3","10","8","6","10","1") = "9"
    & skf18("8","3","10","8","7","1","1") = "9"
    & skf18("8","3","10","8","7","2","1") = "9"
    & skf18("8","3","10","8","7","3","1") = "9"
    & skf18("8","3","10","8","7","4","1") = "9"
    & skf18("8","3","10","8","7","5","1") = "9"
    & skf18("8","3","10","8","7","6","1") = "9"
    & skf18("8","3","10","8","7","7","1") = "9"
    & skf18("8","3","10","8","7","8","1") = "9"
    & skf18("8","3","10","8","7","9","1") = "9"
    & skf18("8","3","10","8","7","10","1") = "9"
    & skf18("8","3","10","8","8","1","1") = "9"
    & skf18("8","3","10","8","8","2","1") = "9"
    & skf18("8","3","10","8","8","3","1") = "9"
    & skf18("8","3","10","8","8","4","1") = "9"
    & skf18("8","3","10","8","8","5","1") = "9"
    & skf18("8","3","10","8","8","6","1") = "9"
    & skf18("8","3","10","8","8","7","1") = "9"
    & skf18("8","3","10","8","8","8","1") = "9"
    & skf18("8","3","10","8","8","9","1") = "9"
    & skf18("8","3","10","8","8","10","1") = "9"
    & skf18("8","3","10","8","9","1","1") = "9"
    & skf18("8","3","10","8","9","2","1") = "9"
    & skf18("8","3","10","8","9","3","1") = "9"
    & skf18("8","3","10","8","9","4","1") = "9"
    & skf18("8","3","10","8","9","5","1") = "9"
    & skf18("8","3","10","8","9","6","1") = "9"
    & skf18("8","3","10","8","9","7","1") = "9"
    & skf18("8","3","10","8","9","8","1") = "9"
    & skf18("8","3","10","8","9","9","1") = "9"
    & skf18("8","3","10","8","9","10","1") = "9"
    & skf18("8","3","10","8","10","1","1") = "9"
    & skf18("8","3","10","8","10","2","1") = "9"
    & skf18("8","3","10","8","10","3","1") = "9"
    & skf18("8","3","10","8","10","4","1") = "9"
    & skf18("8","3","10","8","10","5","1") = "9"
    & skf18("8","3","10","8","10","6","1") = "9"
    & skf18("8","3","10","8","10","7","1") = "9"
    & skf18("8","3","10","8","10","8","1") = "9"
    & skf18("8","3","10","8","10","9","1") = "9"
    & skf18("8","3","10","8","10","10","1") = "9"
    & skf18("8","3","10","9","1","1","1") = "9"
    & skf18("8","3","10","9","1","2","1") = "9"
    & skf18("8","3","10","9","1","3","1") = "9"
    & skf18("8","3","10","9","1","4","1") = "9"
    & skf18("8","3","10","9","1","5","1") = "9"
    & skf18("8","3","10","9","1","6","1") = "9"
    & skf18("8","3","10","9","1","7","1") = "9"
    & skf18("8","3","10","9","1","8","1") = "9"
    & skf18("8","3","10","9","1","9","1") = "9"
    & skf18("8","3","10","9","1","10","1") = "9"
    & skf18("8","3","10","9","2","1","1") = "9"
    & skf18("8","3","10","9","2","2","1") = "9"
    & skf18("8","3","10","9","2","3","1") = "9"
    & skf18("8","3","10","9","2","4","1") = "9"
    & skf18("8","3","10","9","2","5","1") = "9"
    & skf18("8","3","10","9","2","6","1") = "9"
    & skf18("8","3","10","9","2","7","1") = "9"
    & skf18("8","3","10","9","2","8","1") = "9"
    & skf18("8","3","10","9","2","9","1") = "9"
    & skf18("8","3","10","9","2","10","1") = "9"
    & skf18("8","3","10","9","3","1","1") = "9"
    & skf18("8","3","10","9","3","2","1") = "9"
    & skf18("8","3","10","9","3","3","1") = "9"
    & skf18("8","3","10","9","3","4","1") = "9"
    & skf18("8","3","10","9","3","5","1") = "9"
    & skf18("8","3","10","9","3","6","1") = "9"
    & skf18("8","3","10","9","3","7","1") = "9"
    & skf18("8","3","10","9","3","8","1") = "9"
    & skf18("8","3","10","9","3","9","1") = "9"
    & skf18("8","3","10","9","3","10","1") = "9"
    & skf18("8","3","10","9","4","1","1") = "9"
    & skf18("8","3","10","9","4","2","1") = "9"
    & skf18("8","3","10","9","4","3","1") = "9"
    & skf18("8","3","10","9","4","4","1") = "9"
    & skf18("8","3","10","9","4","5","1") = "9"
    & skf18("8","3","10","9","4","6","1") = "9"
    & skf18("8","3","10","9","4","7","1") = "9"
    & skf18("8","3","10","9","4","8","1") = "9"
    & skf18("8","3","10","9","4","9","1") = "9"
    & skf18("8","3","10","9","4","10","1") = "9"
    & skf18("8","3","10","9","5","1","1") = "9"
    & skf18("8","3","10","9","5","2","1") = "9"
    & skf18("8","3","10","9","5","3","1") = "9"
    & skf18("8","3","10","9","5","4","1") = "9"
    & skf18("8","3","10","9","5","5","1") = "9"
    & skf18("8","3","10","9","5","6","1") = "9"
    & skf18("8","3","10","9","5","7","1") = "9"
    & skf18("8","3","10","9","5","8","1") = "9"
    & skf18("8","3","10","9","5","9","1") = "9"
    & skf18("8","3","10","9","5","10","1") = "9"
    & skf18("8","3","10","9","6","1","1") = "9"
    & skf18("8","3","10","9","6","2","1") = "9"
    & skf18("8","3","10","9","6","3","1") = "9"
    & skf18("8","3","10","9","6","4","1") = "9"
    & skf18("8","3","10","9","6","5","1") = "9"
    & skf18("8","3","10","9","6","6","1") = "9"
    & skf18("8","3","10","9","6","7","1") = "9"
    & skf18("8","3","10","9","6","8","1") = "9"
    & skf18("8","3","10","9","6","9","1") = "9"
    & skf18("8","3","10","9","6","10","1") = "9"
    & skf18("8","3","10","9","7","1","1") = "9"
    & skf18("8","3","10","9","7","2","1") = "9"
    & skf18("8","3","10","9","7","3","1") = "9"
    & skf18("8","3","10","9","7","4","1") = "9"
    & skf18("8","3","10","9","7","5","1") = "9"
    & skf18("8","3","10","9","7","6","1") = "9"
    & skf18("8","3","10","9","7","7","1") = "9"
    & skf18("8","3","10","9","7","8","1") = "9"
    & skf18("8","3","10","9","7","9","1") = "9"
    & skf18("8","3","10","9","7","10","1") = "9"
    & skf18("8","3","10","9","8","1","1") = "9"
    & skf18("8","3","10","9","8","2","1") = "9"
    & skf18("8","3","10","9","8","3","1") = "9"
    & skf18("8","3","10","9","8","4","1") = "9"
    & skf18("8","3","10","9","8","5","1") = "9"
    & skf18("8","3","10","9","8","6","1") = "9"
    & skf18("8","3","10","9","8","7","1") = "9"
    & skf18("8","3","10","9","8","8","1") = "9"
    & skf18("8","3","10","9","8","9","1") = "9"
    & skf18("8","3","10","9","8","10","1") = "9"
    & skf18("8","3","10","9","9","1","1") = "9"
    & skf18("8","3","10","9","9","2","1") = "9"
    & skf18("8","3","10","9","9","3","1") = "9"
    & skf18("8","3","10","9","9","4","1") = "9"
    & skf18("8","3","10","9","9","5","1") = "9"
    & skf18("8","3","10","9","9","6","1") = "9"
    & skf18("8","3","10","9","9","7","1") = "9"
    & skf18("8","3","10","9","9","8","1") = "9"
    & skf18("8","3","10","9","9","9","1") = "9"
    & skf18("8","3","10","9","9","10","1") = "9"
    & skf18("8","3","10","9","10","1","1") = "9"
    & skf18("8","3","10","9","10","2","1") = "9"
    & skf18("8","3","10","9","10","3","1") = "9"
    & skf18("8","3","10","9","10","4","1") = "9"
    & skf18("8","3","10","9","10","5","1") = "9"
    & skf18("8","3","10","9","10","6","1") = "9"
    & skf18("8","3","10","9","10","7","1") = "9"
    & skf18("8","3","10","9","10","8","1") = "9"
    & skf18("8","3","10","9","10","9","1") = "9"
    & skf18("8","3","10","9","10","10","1") = "9"
    & skf18("8","3","10","10","1","1","1") = "9"
    & skf18("8","3","10","10","1","2","1") = "9"
    & skf18("8","3","10","10","1","3","1") = "9"
    & skf18("8","3","10","10","1","4","1") = "9"
    & skf18("8","3","10","10","1","5","1") = "9"
    & skf18("8","3","10","10","1","6","1") = "9"
    & skf18("8","3","10","10","1","7","1") = "9"
    & skf18("8","3","10","10","1","8","1") = "9"
    & skf18("8","3","10","10","1","9","1") = "9"
    & skf18("8","3","10","10","1","10","1") = "9"
    & skf18("8","3","10","10","2","1","1") = "9"
    & skf18("8","3","10","10","2","2","1") = "9"
    & skf18("8","3","10","10","2","3","1") = "9"
    & skf18("8","3","10","10","2","4","1") = "9"
    & skf18("8","3","10","10","2","5","1") = "9"
    & skf18("8","3","10","10","2","6","1") = "9"
    & skf18("8","3","10","10","2","7","1") = "9"
    & skf18("8","3","10","10","2","8","1") = "9"
    & skf18("8","3","10","10","2","9","1") = "9"
    & skf18("8","3","10","10","2","10","1") = "9"
    & skf18("8","3","10","10","3","1","1") = "9"
    & skf18("8","3","10","10","3","2","1") = "9"
    & skf18("8","3","10","10","3","3","1") = "9"
    & skf18("8","3","10","10","3","4","1") = "9"
    & skf18("8","3","10","10","3","5","1") = "9"
    & skf18("8","3","10","10","3","6","1") = "9"
    & skf18("8","3","10","10","3","7","1") = "9"
    & skf18("8","3","10","10","3","8","1") = "9"
    & skf18("8","3","10","10","3","9","1") = "9"
    & skf18("8","3","10","10","3","10","1") = "9"
    & skf18("8","3","10","10","4","1","1") = "9"
    & skf18("8","3","10","10","4","2","1") = "9"
    & skf18("8","3","10","10","4","3","1") = "9"
    & skf18("8","3","10","10","4","4","1") = "9"
    & skf18("8","3","10","10","4","5","1") = "9"
    & skf18("8","3","10","10","4","6","1") = "9"
    & skf18("8","3","10","10","4","7","1") = "9"
    & skf18("8","3","10","10","4","8","1") = "9"
    & skf18("8","3","10","10","4","9","1") = "9"
    & skf18("8","3","10","10","4","10","1") = "9"
    & skf18("8","3","10","10","5","1","1") = "9"
    & skf18("8","3","10","10","5","2","1") = "9"
    & skf18("8","3","10","10","5","3","1") = "9"
    & skf18("8","3","10","10","5","4","1") = "9"
    & skf18("8","3","10","10","5","5","1") = "9"
    & skf18("8","3","10","10","5","6","1") = "9"
    & skf18("8","3","10","10","5","7","1") = "9"
    & skf18("8","3","10","10","5","8","1") = "9"
    & skf18("8","3","10","10","5","9","1") = "9"
    & skf18("8","3","10","10","5","10","1") = "9"
    & skf18("8","3","10","10","6","1","1") = "9"
    & skf18("8","3","10","10","6","2","1") = "9"
    & skf18("8","3","10","10","6","3","1") = "9"
    & skf18("8","3","10","10","6","4","1") = "9"
    & skf18("8","3","10","10","6","5","1") = "9"
    & skf18("8","3","10","10","6","6","1") = "9"
    & skf18("8","3","10","10","6","7","1") = "9"
    & skf18("8","3","10","10","6","8","1") = "9"
    & skf18("8","3","10","10","6","9","1") = "9"
    & skf18("8","3","10","10","6","10","1") = "9"
    & skf18("8","3","10","10","7","1","1") = "9"
    & skf18("8","3","10","10","7","2","1") = "9"
    & skf18("8","3","10","10","7","3","1") = "9"
    & skf18("8","3","10","10","7","4","1") = "9"
    & skf18("8","3","10","10","7","5","1") = "9"
    & skf18("8","3","10","10","7","6","1") = "9"
    & skf18("8","3","10","10","7","7","1") = "9"
    & skf18("8","3","10","10","7","8","1") = "9"
    & skf18("8","3","10","10","7","9","1") = "9"
    & skf18("8","3","10","10","7","10","1") = "9"
    & skf18("8","3","10","10","8","1","1") = "9"
    & skf18("8","3","10","10","8","2","1") = "9"
    & skf18("8","3","10","10","8","3","1") = "9"
    & skf18("8","3","10","10","8","4","1") = "9"
    & skf18("8","3","10","10","8","5","1") = "9"
    & skf18("8","3","10","10","8","6","1") = "9"
    & skf18("8","3","10","10","8","7","1") = "9"
    & skf18("8","3","10","10","8","8","1") = "9"
    & skf18("8","3","10","10","8","9","1") = "9"
    & skf18("8","3","10","10","8","10","1") = "9"
    & skf18("8","3","10","10","9","1","1") = "9"
    & skf18("8","3","10","10","9","2","1") = "9"
    & skf18("8","3","10","10","9","3","1") = "9"
    & skf18("8","3","10","10","9","4","1") = "9"
    & skf18("8","3","10","10","9","5","1") = "9"
    & skf18("8","3","10","10","9","6","1") = "9"
    & skf18("8","3","10","10","9","7","1") = "9"
    & skf18("8","3","10","10","9","8","1") = "9"
    & skf18("8","3","10","10","9","9","1") = "9"
    & skf18("8","3","10","10","9","10","1") = "9"
    & skf18("8","3","10","10","10","1","1") = "9"
    & skf18("8","3","10","10","10","2","1") = "9"
    & skf18("8","3","10","10","10","3","1") = "9"
    & skf18("8","3","10","10","10","4","1") = "9"
    & skf18("8","3","10","10","10","5","1") = "9"
    & skf18("8","3","10","10","10","6","1") = "9"
    & skf18("8","3","10","10","10","7","1") = "9"
    & skf18("8","3","10","10","10","8","1") = "9"
    & skf18("8","3","10","10","10","9","1") = "9"
    & skf18("8","3","10","10","10","10","1") = "9"
    & skf18("8","4","1","1","1","1","1") = "7"
    & skf18("8","4","1","1","1","2","1") = "7"
    & skf18("8","4","1","1","1","3","1") = "7"
    & skf18("8","4","1","1","1","4","1") = "7"
    & skf18("8","4","1","1","1","5","1") = "7"
    & skf18("8","4","1","1","1","6","1") = "7"
    & skf18("8","4","1","1","1","7","1") = "7"
    & skf18("8","4","1","1","1","8","1") = "7"
    & skf18("8","4","1","1","1","9","1") = "8"
    & skf18("8","4","1","1","1","10","1") = "9"
    & skf18("8","4","1","1","2","1","1") = "7"
    & skf18("8","4","1","1","2","2","1") = "7"
    & skf18("8","4","1","1","2","3","1") = "7"
    & skf18("8","4","1","1","2","4","1") = "7"
    & skf18("8","4","1","1","2","5","1") = "7"
    & skf18("8","4","1","1","2","6","1") = "7"
    & skf18("8","4","1","1","2","7","1") = "7"
    & skf18("8","4","1","1","2","8","1") = "7"
    & skf18("8","4","1","1","2","9","1") = "8"
    & skf18("8","4","1","1","2","10","1") = "9"
    & skf18("8","4","1","1","3","1","1") = "7"
    & skf18("8","4","1","1","3","2","1") = "7"
    & skf18("8","4","1","1","3","3","1") = "7"
    & skf18("8","4","1","1","3","4","1") = "7"
    & skf18("8","4","1","1","3","5","1") = "7"
    & skf18("8","4","1","1","3","6","1") = "7"
    & skf18("8","4","1","1","3","7","1") = "7"
    & skf18("8","4","1","1","3","8","1") = "7"
    & skf18("8","4","1","1","3","9","1") = "8"
    & skf18("8","4","1","1","3","10","1") = "9"
    & skf18("8","4","1","1","4","1","1") = "7"
    & skf18("8","4","1","1","4","2","1") = "7"
    & skf18("8","4","1","1","4","3","1") = "7"
    & skf18("8","4","1","1","4","4","1") = "7"
    & skf18("8","4","1","1","4","5","1") = "7"
    & skf18("8","4","1","1","4","6","1") = "7"
    & skf18("8","4","1","1","4","7","1") = "7"
    & skf18("8","4","1","1","4","8","1") = "7"
    & skf18("8","4","1","1","4","9","1") = "8"
    & skf18("8","4","1","1","4","10","1") = "9"
    & skf18("8","4","1","1","5","1","1") = "7"
    & skf18("8","4","1","1","5","2","1") = "7"
    & skf18("8","4","1","1","5","3","1") = "7"
    & skf18("8","4","1","1","5","4","1") = "7"
    & skf18("8","4","1","1","5","5","1") = "7"
    & skf18("8","4","1","1","5","6","1") = "7"
    & skf18("8","4","1","1","5","7","1") = "7"
    & skf18("8","4","1","1","5","8","1") = "7"
    & skf18("8","4","1","1","5","9","1") = "8"
    & skf18("8","4","1","1","5","10","1") = "9"
    & skf18("8","4","1","1","6","1","1") = "7"
    & skf18("8","4","1","1","6","2","1") = "7"
    & skf18("8","4","1","1","6","3","1") = "7"
    & skf18("8","4","1","1","6","4","1") = "7"
    & skf18("8","4","1","1","6","5","1") = "7"
    & skf18("8","4","1","1","6","6","1") = "7"
    & skf18("8","4","1","1","6","7","1") = "7"
    & skf18("8","4","1","1","6","8","1") = "7"
    & skf18("8","4","1","1","6","9","1") = "8"
    & skf18("8","4","1","1","6","10","1") = "9"
    & skf18("8","4","1","1","7","1","1") = "7"
    & skf18("8","4","1","1","7","2","1") = "7"
    & skf18("8","4","1","1","7","3","1") = "7"
    & skf18("8","4","1","1","7","4","1") = "7"
    & skf18("8","4","1","1","7","5","1") = "7"
    & skf18("8","4","1","1","7","6","1") = "7"
    & skf18("8","4","1","1","7","7","1") = "7"
    & skf18("8","4","1","1","7","8","1") = "7"
    & skf18("8","4","1","1","7","9","1") = "8"
    & skf18("8","4","1","1","7","10","1") = "9"
    & skf18("8","4","1","1","8","1","1") = "7"
    & skf18("8","4","1","1","8","2","1") = "7"
    & skf18("8","4","1","1","8","3","1") = "7"
    & skf18("8","4","1","1","8","4","1") = "7"
    & skf18("8","4","1","1","8","5","1") = "7"
    & skf18("8","4","1","1","8","6","1") = "7"
    & skf18("8","4","1","1","8","7","1") = "7"
    & skf18("8","4","1","1","8","8","1") = "7"
    & skf18("8","4","1","1","8","9","1") = "8"
    & skf18("8","4","1","1","8","10","1") = "9"
    & skf18("8","4","1","1","9","1","1") = "8"
    & skf18("8","4","1","1","9","2","1") = "8"
    & skf18("8","4","1","1","9","3","1") = "8"
    & skf18("8","4","1","1","9","4","1") = "8"
    & skf18("8","4","1","1","9","5","1") = "8"
    & skf18("8","4","1","1","9","6","1") = "8"
    & skf18("8","4","1","1","9","7","1") = "8"
    & skf18("8","4","1","1","9","8","1") = "8"
    & skf18("8","4","1","1","9","9","1") = "8"
    & skf18("8","4","1","1","9","10","1") = "9"
    & skf18("8","4","1","1","10","1","1") = "9"
    & skf18("8","4","1","1","10","2","1") = "9"
    & skf18("8","4","1","1","10","3","1") = "9"
    & skf18("8","4","1","1","10","4","1") = "9"
    & skf18("8","4","1","1","10","5","1") = "9"
    & skf18("8","4","1","1","10","6","1") = "9"
    & skf18("8","4","1","1","10","7","1") = "9"
    & skf18("8","4","1","1","10","8","1") = "9"
    & skf18("8","4","1","1","10","9","1") = "9"
    & skf18("8","4","1","1","10","10","1") = "9"
    & skf18("8","4","1","2","1","1","1") = "7"
    & skf18("8","4","1","2","1","2","1") = "7"
    & skf18("8","4","1","2","1","3","1") = "7"
    & skf18("8","4","1","2","1","4","1") = "7"
    & skf18("8","4","1","2","1","5","1") = "7"
    & skf18("8","4","1","2","1","6","1") = "7"
    & skf18("8","4","1","2","1","7","1") = "7"
    & skf18("8","4","1","2","1","8","1") = "7"
    & skf18("8","4","1","2","1","9","1") = "8"
    & skf18("8","4","1","2","1","10","1") = "9"
    & skf18("8","4","1","2","2","1","1") = "7"
    & skf18("8","4","1","2","2","2","1") = "7"
    & skf18("8","4","1","2","2","3","1") = "7"
    & skf18("8","4","1","2","2","4","1") = "7"
    & skf18("8","4","1","2","2","5","1") = "7"
    & skf18("8","4","1","2","2","6","1") = "7"
    & skf18("8","4","1","2","2","7","1") = "7"
    & skf18("8","4","1","2","2","8","1") = "7"
    & skf18("8","4","1","2","2","9","1") = "8"
    & skf18("8","4","1","2","2","10","1") = "9"
    & skf18("8","4","1","2","3","1","1") = "7"
    & skf18("8","4","1","2","3","2","1") = "7"
    & skf18("8","4","1","2","3","3","1") = "7"
    & skf18("8","4","1","2","3","4","1") = "7"
    & skf18("8","4","1","2","3","5","1") = "7"
    & skf18("8","4","1","2","3","6","1") = "7"
    & skf18("8","4","1","2","3","7","1") = "7"
    & skf18("8","4","1","2","3","8","1") = "7"
    & skf18("8","4","1","2","3","9","1") = "8"
    & skf18("8","4","1","2","3","10","1") = "9"
    & skf18("8","4","1","2","4","1","1") = "7"
    & skf18("8","4","1","2","4","2","1") = "7"
    & skf18("8","4","1","2","4","3","1") = "7"
    & skf18("8","4","1","2","4","4","1") = "7"
    & skf18("8","4","1","2","4","5","1") = "7"
    & skf18("8","4","1","2","4","6","1") = "7"
    & skf18("8","4","1","2","4","7","1") = "7"
    & skf18("8","4","1","2","4","8","1") = "7"
    & skf18("8","4","1","2","4","9","1") = "8"
    & skf18("8","4","1","2","4","10","1") = "9"
    & skf18("8","4","1","2","5","1","1") = "7"
    & skf18("8","4","1","2","5","2","1") = "7"
    & skf18("8","4","1","2","5","3","1") = "7"
    & skf18("8","4","1","2","5","4","1") = "7"
    & skf18("8","4","1","2","5","5","1") = "7"
    & skf18("8","4","1","2","5","6","1") = "7"
    & skf18("8","4","1","2","5","7","1") = "7"
    & skf18("8","4","1","2","5","8","1") = "7"
    & skf18("8","4","1","2","5","9","1") = "8"
    & skf18("8","4","1","2","5","10","1") = "9"
    & skf18("8","4","1","2","6","1","1") = "7"
    & skf18("8","4","1","2","6","2","1") = "7"
    & skf18("8","4","1","2","6","3","1") = "7"
    & skf18("8","4","1","2","6","4","1") = "7"
    & skf18("8","4","1","2","6","5","1") = "7"
    & skf18("8","4","1","2","6","6","1") = "7"
    & skf18("8","4","1","2","6","7","1") = "7"
    & skf18("8","4","1","2","6","8","1") = "7"
    & skf18("8","4","1","2","6","9","1") = "8"
    & skf18("8","4","1","2","6","10","1") = "9"
    & skf18("8","4","1","2","7","1","1") = "7"
    & skf18("8","4","1","2","7","2","1") = "7"
    & skf18("8","4","1","2","7","3","1") = "7"
    & skf18("8","4","1","2","7","4","1") = "7"
    & skf18("8","4","1","2","7","5","1") = "7"
    & skf18("8","4","1","2","7","6","1") = "7"
    & skf18("8","4","1","2","7","7","1") = "7"
    & skf18("8","4","1","2","7","8","1") = "7"
    & skf18("8","4","1","2","7","9","1") = "8"
    & skf18("8","4","1","2","7","10","1") = "9"
    & skf18("8","4","1","2","8","1","1") = "7"
    & skf18("8","4","1","2","8","2","1") = "7"
    & skf18("8","4","1","2","8","3","1") = "7"
    & skf18("8","4","1","2","8","4","1") = "7"
    & skf18("8","4","1","2","8","5","1") = "7"
    & skf18("8","4","1","2","8","6","1") = "7"
    & skf18("8","4","1","2","8","7","1") = "7"
    & skf18("8","4","1","2","8","8","1") = "7"
    & skf18("8","4","1","2","8","9","1") = "8"
    & skf18("8","4","1","2","8","10","1") = "9"
    & skf18("8","4","1","2","9","1","1") = "8"
    & skf18("8","4","1","2","9","2","1") = "8"
    & skf18("8","4","1","2","9","3","1") = "8"
    & skf18("8","4","1","2","9","4","1") = "8"
    & skf18("8","4","1","2","9","5","1") = "8"
    & skf18("8","4","1","2","9","6","1") = "8"
    & skf18("8","4","1","2","9","7","1") = "8"
    & skf18("8","4","1","2","9","8","1") = "8"
    & skf18("8","4","1","2","9","9","1") = "8"
    & skf18("8","4","1","2","9","10","1") = "9"
    & skf18("8","4","1","2","10","1","1") = "9"
    & skf18("8","4","1","2","10","2","1") = "9"
    & skf18("8","4","1","2","10","3","1") = "9"
    & skf18("8","4","1","2","10","4","1") = "9"
    & skf18("8","4","1","2","10","5","1") = "9"
    & skf18("8","4","1","2","10","6","1") = "9"
    & skf18("8","4","1","2","10","7","1") = "9"
    & skf18("8","4","1","2","10","8","1") = "9"
    & skf18("8","4","1","2","10","9","1") = "9"
    & skf18("8","4","1","2","10","10","1") = "9"
    & skf18("8","4","1","3","1","1","1") = "7"
    & skf18("8","4","1","3","1","2","1") = "7"
    & skf18("8","4","1","3","1","3","1") = "7"
    & skf18("8","4","1","3","1","4","1") = "7"
    & skf18("8","4","1","3","1","5","1") = "7"
    & skf18("8","4","1","3","1","6","1") = "7"
    & skf18("8","4","1","3","1","7","1") = "7"
    & skf18("8","4","1","3","1","8","1") = "7"
    & skf18("8","4","1","3","1","9","1") = "8"
    & skf18("8","4","1","3","1","10","1") = "9"
    & skf18("8","4","1","3","2","1","1") = "7"
    & skf18("8","4","1","3","2","2","1") = "7"
    & skf18("8","4","1","3","2","3","1") = "7"
    & skf18("8","4","1","3","2","4","1") = "7"
    & skf18("8","4","1","3","2","5","1") = "7"
    & skf18("8","4","1","3","2","6","1") = "7"
    & skf18("8","4","1","3","2","7","1") = "7"
    & skf18("8","4","1","3","2","8","1") = "7"
    & skf18("8","4","1","3","2","9","1") = "8"
    & skf18("8","4","1","3","2","10","1") = "9"
    & skf18("8","4","1","3","3","1","1") = "7"
    & skf18("8","4","1","3","3","2","1") = "7"
    & skf18("8","4","1","3","3","3","1") = "7"
    & skf18("8","4","1","3","3","4","1") = "7"
    & skf18("8","4","1","3","3","5","1") = "7"
    & skf18("8","4","1","3","3","6","1") = "7"
    & skf18("8","4","1","3","3","7","1") = "7"
    & skf18("8","4","1","3","3","8","1") = "7"
    & skf18("8","4","1","3","3","9","1") = "8"
    & skf18("8","4","1","3","3","10","1") = "9"
    & skf18("8","4","1","3","4","1","1") = "7"
    & skf18("8","4","1","3","4","2","1") = "7"
    & skf18("8","4","1","3","4","3","1") = "7"
    & skf18("8","4","1","3","4","4","1") = "7"
    & skf18("8","4","1","3","4","5","1") = "7"
    & skf18("8","4","1","3","4","6","1") = "7"
    & skf18("8","4","1","3","4","7","1") = "7"
    & skf18("8","4","1","3","4","8","1") = "7"
    & skf18("8","4","1","3","4","9","1") = "8"
    & skf18("8","4","1","3","4","10","1") = "9"
    & skf18("8","4","1","3","5","1","1") = "7"
    & skf18("8","4","1","3","5","2","1") = "7"
    & skf18("8","4","1","3","5","3","1") = "7"
    & skf18("8","4","1","3","5","4","1") = "7"
    & skf18("8","4","1","3","5","5","1") = "7"
    & skf18("8","4","1","3","5","6","1") = "7"
    & skf18("8","4","1","3","5","7","1") = "7"
    & skf18("8","4","1","3","5","8","1") = "7"
    & skf18("8","4","1","3","5","9","1") = "8"
    & skf18("8","4","1","3","5","10","1") = "9"
    & skf18("8","4","1","3","6","1","1") = "7"
    & skf18("8","4","1","3","6","2","1") = "7"
    & skf18("8","4","1","3","6","3","1") = "7"
    & skf18("8","4","1","3","6","4","1") = "7"
    & skf18("8","4","1","3","6","5","1") = "7"
    & skf18("8","4","1","3","6","6","1") = "7"
    & skf18("8","4","1","3","6","7","1") = "7"
    & skf18("8","4","1","3","6","8","1") = "7"
    & skf18("8","4","1","3","6","9","1") = "8"
    & skf18("8","4","1","3","6","10","1") = "9"
    & skf18("8","4","1","3","7","1","1") = "7"
    & skf18("8","4","1","3","7","2","1") = "7"
    & skf18("8","4","1","3","7","3","1") = "7"
    & skf18("8","4","1","3","7","4","1") = "7"
    & skf18("8","4","1","3","7","5","1") = "7"
    & skf18("8","4","1","3","7","6","1") = "7"
    & skf18("8","4","1","3","7","7","1") = "7"
    & skf18("8","4","1","3","7","8","1") = "7"
    & skf18("8","4","1","3","7","9","1") = "8"
    & skf18("8","4","1","3","7","10","1") = "9"
    & skf18("8","4","1","3","8","1","1") = "7"
    & skf18("8","4","1","3","8","2","1") = "7"
    & skf18("8","4","1","3","8","3","1") = "7"
    & skf18("8","4","1","3","8","4","1") = "7"
    & skf18("8","4","1","3","8","5","1") = "7"
    & skf18("8","4","1","3","8","6","1") = "7"
    & skf18("8","4","1","3","8","7","1") = "7"
    & skf18("8","4","1","3","8","8","1") = "7"
    & skf18("8","4","1","3","8","9","1") = "8"
    & skf18("8","4","1","3","8","10","1") = "9"
    & skf18("8","4","1","3","9","1","1") = "8"
    & skf18("8","4","1","3","9","2","1") = "8"
    & skf18("8","4","1","3","9","3","1") = "8"
    & skf18("8","4","1","3","9","4","1") = "8"
    & skf18("8","4","1","3","9","5","1") = "8"
    & skf18("8","4","1","3","9","6","1") = "8"
    & skf18("8","4","1","3","9","7","1") = "8"
    & skf18("8","4","1","3","9","8","1") = "8"
    & skf18("8","4","1","3","9","9","1") = "8"
    & skf18("8","4","1","3","9","10","1") = "9"
    & skf18("8","4","1","3","10","1","1") = "9"
    & skf18("8","4","1","3","10","2","1") = "9"
    & skf18("8","4","1","3","10","3","1") = "9"
    & skf18("8","4","1","3","10","4","1") = "9"
    & skf18("8","4","1","3","10","5","1") = "9"
    & skf18("8","4","1","3","10","6","1") = "9"
    & skf18("8","4","1","3","10","7","1") = "9"
    & skf18("8","4","1","3","10","8","1") = "9"
    & skf18("8","4","1","3","10","9","1") = "9"
    & skf18("8","4","1","3","10","10","1") = "9"
    & skf18("8","4","1","4","1","1","1") = "7"
    & skf18("8","4","1","4","1","2","1") = "7"
    & skf18("8","4","1","4","1","3","1") = "7"
    & skf18("8","4","1","4","1","4","1") = "7"
    & skf18("8","4","1","4","1","5","1") = "7"
    & skf18("8","4","1","4","1","6","1") = "7"
    & skf18("8","4","1","4","1","7","1") = "7"
    & skf18("8","4","1","4","1","8","1") = "7"
    & skf18("8","4","1","4","1","9","1") = "8"
    & skf18("8","4","1","4","1","10","1") = "9"
    & skf18("8","4","1","4","2","1","1") = "7"
    & skf18("8","4","1","4","2","2","1") = "7"
    & skf18("8","4","1","4","2","3","1") = "7"
    & skf18("8","4","1","4","2","4","1") = "7"
    & skf18("8","4","1","4","2","5","1") = "7"
    & skf18("8","4","1","4","2","6","1") = "7"
    & skf18("8","4","1","4","2","7","1") = "7"
    & skf18("8","4","1","4","2","8","1") = "7"
    & skf18("8","4","1","4","2","9","1") = "8"
    & skf18("8","4","1","4","2","10","1") = "9"
    & skf18("8","4","1","4","3","1","1") = "7"
    & skf18("8","4","1","4","3","2","1") = "7"
    & skf18("8","4","1","4","3","3","1") = "7"
    & skf18("8","4","1","4","3","4","1") = "7"
    & skf18("8","4","1","4","3","5","1") = "7"
    & skf18("8","4","1","4","3","6","1") = "7"
    & skf18("8","4","1","4","3","7","1") = "7"
    & skf18("8","4","1","4","3","8","1") = "7"
    & skf18("8","4","1","4","3","9","1") = "8"
    & skf18("8","4","1","4","3","10","1") = "9"
    & skf18("8","4","1","4","4","1","1") = "7"
    & skf18("8","4","1","4","4","2","1") = "7"
    & skf18("8","4","1","4","4","3","1") = "7"
    & skf18("8","4","1","4","4","4","1") = "7"
    & skf18("8","4","1","4","4","5","1") = "7"
    & skf18("8","4","1","4","4","6","1") = "7"
    & skf18("8","4","1","4","4","7","1") = "7"
    & skf18("8","4","1","4","4","8","1") = "7"
    & skf18("8","4","1","4","4","9","1") = "8"
    & skf18("8","4","1","4","4","10","1") = "9"
    & skf18("8","4","1","4","5","1","1") = "7"
    & skf18("8","4","1","4","5","2","1") = "7"
    & skf18("8","4","1","4","5","3","1") = "7"
    & skf18("8","4","1","4","5","4","1") = "7"
    & skf18("8","4","1","4","5","5","1") = "7"
    & skf18("8","4","1","4","5","6","1") = "7"
    & skf18("8","4","1","4","5","7","1") = "7"
    & skf18("8","4","1","4","5","8","1") = "7"
    & skf18("8","4","1","4","5","9","1") = "8"
    & skf18("8","4","1","4","5","10","1") = "9"
    & skf18("8","4","1","4","6","1","1") = "7"
    & skf18("8","4","1","4","6","2","1") = "7"
    & skf18("8","4","1","4","6","3","1") = "7"
    & skf18("8","4","1","4","6","4","1") = "7"
    & skf18("8","4","1","4","6","5","1") = "7"
    & skf18("8","4","1","4","6","6","1") = "7"
    & skf18("8","4","1","4","6","7","1") = "7"
    & skf18("8","4","1","4","6","8","1") = "7"
    & skf18("8","4","1","4","6","9","1") = "8"
    & skf18("8","4","1","4","6","10","1") = "9"
    & skf18("8","4","1","4","7","1","1") = "7"
    & skf18("8","4","1","4","7","2","1") = "7"
    & skf18("8","4","1","4","7","3","1") = "7"
    & skf18("8","4","1","4","7","4","1") = "7"
    & skf18("8","4","1","4","7","5","1") = "7"
    & skf18("8","4","1","4","7","6","1") = "7"
    & skf18("8","4","1","4","7","7","1") = "7"
    & skf18("8","4","1","4","7","8","1") = "7"
    & skf18("8","4","1","4","7","9","1") = "8"
    & skf18("8","4","1","4","7","10","1") = "9"
    & skf18("8","4","1","4","8","1","1") = "7"
    & skf18("8","4","1","4","8","2","1") = "7"
    & skf18("8","4","1","4","8","3","1") = "7"
    & skf18("8","4","1","4","8","4","1") = "7"
    & skf18("8","4","1","4","8","5","1") = "7"
    & skf18("8","4","1","4","8","6","1") = "7"
    & skf18("8","4","1","4","8","7","1") = "7"
    & skf18("8","4","1","4","8","8","1") = "7"
    & skf18("8","4","1","4","8","9","1") = "8"
    & skf18("8","4","1","4","8","10","1") = "9"
    & skf18("8","4","1","4","9","1","1") = "8"
    & skf18("8","4","1","4","9","2","1") = "8"
    & skf18("8","4","1","4","9","3","1") = "8"
    & skf18("8","4","1","4","9","4","1") = "8"
    & skf18("8","4","1","4","9","5","1") = "8"
    & skf18("8","4","1","4","9","6","1") = "8"
    & skf18("8","4","1","4","9","7","1") = "8"
    & skf18("8","4","1","4","9","8","1") = "8"
    & skf18("8","4","1","4","9","9","1") = "8"
    & skf18("8","4","1","4","9","10","1") = "9"
    & skf18("8","4","1","4","10","1","1") = "9"
    & skf18("8","4","1","4","10","2","1") = "9"
    & skf18("8","4","1","4","10","3","1") = "9"
    & skf18("8","4","1","4","10","4","1") = "9"
    & skf18("8","4","1","4","10","5","1") = "9"
    & skf18("8","4","1","4","10","6","1") = "9"
    & skf18("8","4","1","4","10","7","1") = "9"
    & skf18("8","4","1","4","10","8","1") = "9"
    & skf18("8","4","1","4","10","9","1") = "9"
    & skf18("8","4","1","4","10","10","1") = "9"
    & skf18("8","4","1","5","1","1","1") = "7"
    & skf18("8","4","1","5","1","2","1") = "7"
    & skf18("8","4","1","5","1","3","1") = "7"
    & skf18("8","4","1","5","1","4","1") = "7"
    & skf18("8","4","1","5","1","5","1") = "7"
    & skf18("8","4","1","5","1","6","1") = "7"
    & skf18("8","4","1","5","1","7","1") = "7"
    & skf18("8","4","1","5","1","8","1") = "7"
    & skf18("8","4","1","5","1","9","1") = "8"
    & skf18("8","4","1","5","1","10","1") = "9"
    & skf18("8","4","1","5","2","1","1") = "7"
    & skf18("8","4","1","5","2","2","1") = "7"
    & skf18("8","4","1","5","2","3","1") = "7"
    & skf18("8","4","1","5","2","4","1") = "7"
    & skf18("8","4","1","5","2","5","1") = "7"
    & skf18("8","4","1","5","2","6","1") = "7"
    & skf18("8","4","1","5","2","7","1") = "7"
    & skf18("8","4","1","5","2","8","1") = "7"
    & skf18("8","4","1","5","2","9","1") = "8"
    & skf18("8","4","1","5","2","10","1") = "9"
    & skf18("8","4","1","5","3","1","1") = "7"
    & skf18("8","4","1","5","3","2","1") = "7"
    & skf18("8","4","1","5","3","3","1") = "7"
    & skf18("8","4","1","5","3","4","1") = "7"
    & skf18("8","4","1","5","3","5","1") = "7"
    & skf18("8","4","1","5","3","6","1") = "7"
    & skf18("8","4","1","5","3","7","1") = "7"
    & skf18("8","4","1","5","3","8","1") = "7"
    & skf18("8","4","1","5","3","9","1") = "8"
    & skf18("8","4","1","5","3","10","1") = "9"
    & skf18("8","4","1","5","4","1","1") = "7"
    & skf18("8","4","1","5","4","2","1") = "7"
    & skf18("8","4","1","5","4","3","1") = "7"
    & skf18("8","4","1","5","4","4","1") = "7"
    & skf18("8","4","1","5","4","5","1") = "7"
    & skf18("8","4","1","5","4","6","1") = "7"
    & skf18("8","4","1","5","4","7","1") = "7"
    & skf18("8","4","1","5","4","8","1") = "7"
    & skf18("8","4","1","5","4","9","1") = "8"
    & skf18("8","4","1","5","4","10","1") = "9"
    & skf18("8","4","1","5","5","1","1") = "7"
    & skf18("8","4","1","5","5","2","1") = "7"
    & skf18("8","4","1","5","5","3","1") = "7"
    & skf18("8","4","1","5","5","4","1") = "7"
    & skf18("8","4","1","5","5","5","1") = "7"
    & skf18("8","4","1","5","5","6","1") = "7"
    & skf18("8","4","1","5","5","7","1") = "7"
    & skf18("8","4","1","5","5","8","1") = "7"
    & skf18("8","4","1","5","5","9","1") = "8"
    & skf18("8","4","1","5","5","10","1") = "9"
    & skf18("8","4","1","5","6","1","1") = "7"
    & skf18("8","4","1","5","6","2","1") = "7"
    & skf18("8","4","1","5","6","3","1") = "7"
    & skf18("8","4","1","5","6","4","1") = "7"
    & skf18("8","4","1","5","6","5","1") = "7"
    & skf18("8","4","1","5","6","6","1") = "7"
    & skf18("8","4","1","5","6","7","1") = "7"
    & skf18("8","4","1","5","6","8","1") = "7"
    & skf18("8","4","1","5","6","9","1") = "8"
    & skf18("8","4","1","5","6","10","1") = "9"
    & skf18("8","4","1","5","7","1","1") = "7"
    & skf18("8","4","1","5","7","2","1") = "7"
    & skf18("8","4","1","5","7","3","1") = "7"
    & skf18("8","4","1","5","7","4","1") = "7"
    & skf18("8","4","1","5","7","5","1") = "7"
    & skf18("8","4","1","5","7","6","1") = "7"
    & skf18("8","4","1","5","7","7","1") = "7"
    & skf18("8","4","1","5","7","8","1") = "7"
    & skf18("8","4","1","5","7","9","1") = "8"
    & skf18("8","4","1","5","7","10","1") = "9"
    & skf18("8","4","1","5","8","1","1") = "7"
    & skf18("8","4","1","5","8","2","1") = "7"
    & skf18("8","4","1","5","8","3","1") = "7"
    & skf18("8","4","1","5","8","4","1") = "7"
    & skf18("8","4","1","5","8","5","1") = "7"
    & skf18("8","4","1","5","8","6","1") = "7"
    & skf18("8","4","1","5","8","7","1") = "7"
    & skf18("8","4","1","5","8","8","1") = "7"
    & skf18("8","4","1","5","8","9","1") = "8"
    & skf18("8","4","1","5","8","10","1") = "9"
    & skf18("8","4","1","5","9","1","1") = "8"
    & skf18("8","4","1","5","9","2","1") = "8"
    & skf18("8","4","1","5","9","3","1") = "8"
    & skf18("8","4","1","5","9","4","1") = "8"
    & skf18("8","4","1","5","9","5","1") = "8"
    & skf18("8","4","1","5","9","6","1") = "8"
    & skf18("8","4","1","5","9","7","1") = "8"
    & skf18("8","4","1","5","9","8","1") = "8"
    & skf18("8","4","1","5","9","9","1") = "8"
    & skf18("8","4","1","5","9","10","1") = "9"
    & skf18("8","4","1","5","10","1","1") = "9"
    & skf18("8","4","1","5","10","2","1") = "9"
    & skf18("8","4","1","5","10","3","1") = "9"
    & skf18("8","4","1","5","10","4","1") = "9"
    & skf18("8","4","1","5","10","5","1") = "9"
    & skf18("8","4","1","5","10","6","1") = "9"
    & skf18("8","4","1","5","10","7","1") = "9"
    & skf18("8","4","1","5","10","8","1") = "9"
    & skf18("8","4","1","5","10","9","1") = "9"
    & skf18("8","4","1","5","10","10","1") = "9"
    & skf18("8","4","1","6","1","1","1") = "7"
    & skf18("8","4","1","6","1","2","1") = "7"
    & skf18("8","4","1","6","1","3","1") = "7"
    & skf18("8","4","1","6","1","4","1") = "7"
    & skf18("8","4","1","6","1","5","1") = "7"
    & skf18("8","4","1","6","1","6","1") = "7"
    & skf18("8","4","1","6","1","7","1") = "7"
    & skf18("8","4","1","6","1","8","1") = "7"
    & skf18("8","4","1","6","1","9","1") = "8"
    & skf18("8","4","1","6","1","10","1") = "9"
    & skf18("8","4","1","6","2","1","1") = "7"
    & skf18("8","4","1","6","2","2","1") = "7"
    & skf18("8","4","1","6","2","3","1") = "7"
    & skf18("8","4","1","6","2","4","1") = "7"
    & skf18("8","4","1","6","2","5","1") = "7"
    & skf18("8","4","1","6","2","6","1") = "7"
    & skf18("8","4","1","6","2","7","1") = "7"
    & skf18("8","4","1","6","2","8","1") = "7"
    & skf18("8","4","1","6","2","9","1") = "8"
    & skf18("8","4","1","6","2","10","1") = "9"
    & skf18("8","4","1","6","3","1","1") = "7"
    & skf18("8","4","1","6","3","2","1") = "7"
    & skf18("8","4","1","6","3","3","1") = "7"
    & skf18("8","4","1","6","3","4","1") = "7"
    & skf18("8","4","1","6","3","5","1") = "7"
    & skf18("8","4","1","6","3","6","1") = "7"
    & skf18("8","4","1","6","3","7","1") = "7"
    & skf18("8","4","1","6","3","8","1") = "7"
    & skf18("8","4","1","6","3","9","1") = "8"
    & skf18("8","4","1","6","3","10","1") = "9"
    & skf18("8","4","1","6","4","1","1") = "7"
    & skf18("8","4","1","6","4","2","1") = "7"
    & skf18("8","4","1","6","4","3","1") = "7"
    & skf18("8","4","1","6","4","4","1") = "7"
    & skf18("8","4","1","6","4","5","1") = "7"
    & skf18("8","4","1","6","4","6","1") = "7"
    & skf18("8","4","1","6","4","7","1") = "7"
    & skf18("8","4","1","6","4","8","1") = "7"
    & skf18("8","4","1","6","4","9","1") = "8"
    & skf18("8","4","1","6","4","10","1") = "9"
    & skf18("8","4","1","6","5","1","1") = "7"
    & skf18("8","4","1","6","5","2","1") = "7"
    & skf18("8","4","1","6","5","3","1") = "7"
    & skf18("8","4","1","6","5","4","1") = "7"
    & skf18("8","4","1","6","5","5","1") = "7"
    & skf18("8","4","1","6","5","6","1") = "7"
    & skf18("8","4","1","6","5","7","1") = "7"
    & skf18("8","4","1","6","5","8","1") = "7"
    & skf18("8","4","1","6","5","9","1") = "8"
    & skf18("8","4","1","6","5","10","1") = "9"
    & skf18("8","4","1","6","6","1","1") = "7"
    & skf18("8","4","1","6","6","2","1") = "7"
    & skf18("8","4","1","6","6","3","1") = "7"
    & skf18("8","4","1","6","6","4","1") = "7"
    & skf18("8","4","1","6","6","5","1") = "7"
    & skf18("8","4","1","6","6","6","1") = "7"
    & skf18("8","4","1","6","6","7","1") = "7"
    & skf18("8","4","1","6","6","8","1") = "7"
    & skf18("8","4","1","6","6","9","1") = "8"
    & skf18("8","4","1","6","6","10","1") = "9"
    & skf18("8","4","1","6","7","1","1") = "7"
    & skf18("8","4","1","6","7","2","1") = "7"
    & skf18("8","4","1","6","7","3","1") = "7"
    & skf18("8","4","1","6","7","4","1") = "7"
    & skf18("8","4","1","6","7","5","1") = "7"
    & skf18("8","4","1","6","7","6","1") = "7"
    & skf18("8","4","1","6","7","7","1") = "7"
    & skf18("8","4","1","6","7","8","1") = "7"
    & skf18("8","4","1","6","7","9","1") = "8"
    & skf18("8","4","1","6","7","10","1") = "9"
    & skf18("8","4","1","6","8","1","1") = "7"
    & skf18("8","4","1","6","8","2","1") = "7"
    & skf18("8","4","1","6","8","3","1") = "7"
    & skf18("8","4","1","6","8","4","1") = "7"
    & skf18("8","4","1","6","8","5","1") = "7"
    & skf18("8","4","1","6","8","6","1") = "7"
    & skf18("8","4","1","6","8","7","1") = "7"
    & skf18("8","4","1","6","8","8","1") = "7"
    & skf18("8","4","1","6","8","9","1") = "8"
    & skf18("8","4","1","6","8","10","1") = "9"
    & skf18("8","4","1","6","9","1","1") = "8"
    & skf18("8","4","1","6","9","2","1") = "8"
    & skf18("8","4","1","6","9","3","1") = "8"
    & skf18("8","4","1","6","9","4","1") = "8"
    & skf18("8","4","1","6","9","5","1") = "8"
    & skf18("8","4","1","6","9","6","1") = "8"
    & skf18("8","4","1","6","9","7","1") = "8"
    & skf18("8","4","1","6","9","8","1") = "8"
    & skf18("8","4","1","6","9","9","1") = "8"
    & skf18("8","4","1","6","9","10","1") = "9"
    & skf18("8","4","1","6","10","1","1") = "9"
    & skf18("8","4","1","6","10","2","1") = "9"
    & skf18("8","4","1","6","10","3","1") = "9"
    & skf18("8","4","1","6","10","4","1") = "9"
    & skf18("8","4","1","6","10","5","1") = "9"
    & skf18("8","4","1","6","10","6","1") = "9"
    & skf18("8","4","1","6","10","7","1") = "9"
    & skf18("8","4","1","6","10","8","1") = "9"
    & skf18("8","4","1","6","10","9","1") = "9"
    & skf18("8","4","1","6","10","10","1") = "9"
    & skf18("8","4","1","7","1","1","1") = "7"
    & skf18("8","4","1","7","1","2","1") = "7"
    & skf18("8","4","1","7","1","3","1") = "7"
    & skf18("8","4","1","7","1","4","1") = "7"
    & skf18("8","4","1","7","1","5","1") = "7"
    & skf18("8","4","1","7","1","6","1") = "7"
    & skf18("8","4","1","7","1","7","1") = "7"
    & skf18("8","4","1","7","1","8","1") = "7"
    & skf18("8","4","1","7","1","9","1") = "8"
    & skf18("8","4","1","7","1","10","1") = "9"
    & skf18("8","4","1","7","2","1","1") = "7"
    & skf18("8","4","1","7","2","2","1") = "7"
    & skf18("8","4","1","7","2","3","1") = "7"
    & skf18("8","4","1","7","2","4","1") = "7"
    & skf18("8","4","1","7","2","5","1") = "7"
    & skf18("8","4","1","7","2","6","1") = "7"
    & skf18("8","4","1","7","2","7","1") = "7"
    & skf18("8","4","1","7","2","8","1") = "7"
    & skf18("8","4","1","7","2","9","1") = "8"
    & skf18("8","4","1","7","2","10","1") = "9"
    & skf18("8","4","1","7","3","1","1") = "7"
    & skf18("8","4","1","7","3","2","1") = "7"
    & skf18("8","4","1","7","3","3","1") = "7"
    & skf18("8","4","1","7","3","4","1") = "7"
    & skf18("8","4","1","7","3","5","1") = "7"
    & skf18("8","4","1","7","3","6","1") = "7"
    & skf18("8","4","1","7","3","7","1") = "7"
    & skf18("8","4","1","7","3","8","1") = "7"
    & skf18("8","4","1","7","3","9","1") = "8"
    & skf18("8","4","1","7","3","10","1") = "9"
    & skf18("8","4","1","7","4","1","1") = "7"
    & skf18("8","4","1","7","4","2","1") = "7"
    & skf18("8","4","1","7","4","3","1") = "7"
    & skf18("8","4","1","7","4","4","1") = "7"
    & skf18("8","4","1","7","4","5","1") = "7"
    & skf18("8","4","1","7","4","6","1") = "7"
    & skf18("8","4","1","7","4","7","1") = "7"
    & skf18("8","4","1","7","4","8","1") = "7"
    & skf18("8","4","1","7","4","9","1") = "8"
    & skf18("8","4","1","7","4","10","1") = "9"
    & skf18("8","4","1","7","5","1","1") = "7"
    & skf18("8","4","1","7","5","2","1") = "7"
    & skf18("8","4","1","7","5","3","1") = "7"
    & skf18("8","4","1","7","5","4","1") = "7"
    & skf18("8","4","1","7","5","5","1") = "7"
    & skf18("8","4","1","7","5","6","1") = "7"
    & skf18("8","4","1","7","5","7","1") = "7"
    & skf18("8","4","1","7","5","8","1") = "7"
    & skf18("8","4","1","7","5","9","1") = "8"
    & skf18("8","4","1","7","5","10","1") = "9"
    & skf18("8","4","1","7","6","1","1") = "7"
    & skf18("8","4","1","7","6","2","1") = "7"
    & skf18("8","4","1","7","6","3","1") = "7"
    & skf18("8","4","1","7","6","4","1") = "7"
    & skf18("8","4","1","7","6","5","1") = "7"
    & skf18("8","4","1","7","6","6","1") = "7"
    & skf18("8","4","1","7","6","7","1") = "7"
    & skf18("8","4","1","7","6","8","1") = "7"
    & skf18("8","4","1","7","6","9","1") = "8"
    & skf18("8","4","1","7","6","10","1") = "9"
    & skf18("8","4","1","7","7","1","1") = "7"
    & skf18("8","4","1","7","7","2","1") = "7"
    & skf18("8","4","1","7","7","3","1") = "7"
    & skf18("8","4","1","7","7","4","1") = "7"
    & skf18("8","4","1","7","7","5","1") = "7"
    & skf18("8","4","1","7","7","6","1") = "7"
    & skf18("8","4","1","7","7","7","1") = "7"
    & skf18("8","4","1","7","7","8","1") = "7"
    & skf18("8","4","1","7","7","9","1") = "8"
    & skf18("8","4","1","7","7","10","1") = "9"
    & skf18("8","4","1","7","8","1","1") = "7"
    & skf18("8","4","1","7","8","2","1") = "7"
    & skf18("8","4","1","7","8","3","1") = "7"
    & skf18("8","4","1","7","8","4","1") = "7"
    & skf18("8","4","1","7","8","5","1") = "7"
    & skf18("8","4","1","7","8","6","1") = "7"
    & skf18("8","4","1","7","8","7","1") = "7"
    & skf18("8","4","1","7","8","8","1") = "7"
    & skf18("8","4","1","7","8","9","1") = "8"
    & skf18("8","4","1","7","8","10","1") = "9"
    & skf18("8","4","1","7","9","1","1") = "8"
    & skf18("8","4","1","7","9","2","1") = "8"
    & skf18("8","4","1","7","9","3","1") = "8"
    & skf18("8","4","1","7","9","4","1") = "8"
    & skf18("8","4","1","7","9","5","1") = "8"
    & skf18("8","4","1","7","9","6","1") = "8"
    & skf18("8","4","1","7","9","7","1") = "8"
    & skf18("8","4","1","7","9","8","1") = "8"
    & skf18("8","4","1","7","9","9","1") = "8"
    & skf18("8","4","1","7","9","10","1") = "9"
    & skf18("8","4","1","7","10","1","1") = "9"
    & skf18("8","4","1","7","10","2","1") = "9"
    & skf18("8","4","1","7","10","3","1") = "9"
    & skf18("8","4","1","7","10","4","1") = "9"
    & skf18("8","4","1","7","10","5","1") = "9"
    & skf18("8","4","1","7","10","6","1") = "9"
    & skf18("8","4","1","7","10","7","1") = "9"
    & skf18("8","4","1","7","10","8","1") = "9"
    & skf18("8","4","1","7","10","9","1") = "9"
    & skf18("8","4","1","7","10","10","1") = "9"
    & skf18("8","4","1","8","1","1","1") = "7"
    & skf18("8","4","1","8","1","2","1") = "7"
    & skf18("8","4","1","8","1","3","1") = "7"
    & skf18("8","4","1","8","1","4","1") = "7"
    & skf18("8","4","1","8","1","5","1") = "7"
    & skf18("8","4","1","8","1","6","1") = "7"
    & skf18("8","4","1","8","1","7","1") = "7"
    & skf18("8","4","1","8","1","8","1") = "7"
    & skf18("8","4","1","8","1","9","1") = "8"
    & skf18("8","4","1","8","1","10","1") = "9"
    & skf18("8","4","1","8","2","1","1") = "7"
    & skf18("8","4","1","8","2","2","1") = "7"
    & skf18("8","4","1","8","2","3","1") = "7"
    & skf18("8","4","1","8","2","4","1") = "7"
    & skf18("8","4","1","8","2","5","1") = "7"
    & skf18("8","4","1","8","2","6","1") = "7"
    & skf18("8","4","1","8","2","7","1") = "7"
    & skf18("8","4","1","8","2","8","1") = "7"
    & skf18("8","4","1","8","2","9","1") = "8"
    & skf18("8","4","1","8","2","10","1") = "9"
    & skf18("8","4","1","8","3","1","1") = "7"
    & skf18("8","4","1","8","3","2","1") = "7"
    & skf18("8","4","1","8","3","3","1") = "7"
    & skf18("8","4","1","8","3","4","1") = "7"
    & skf18("8","4","1","8","3","5","1") = "7"
    & skf18("8","4","1","8","3","6","1") = "7"
    & skf18("8","4","1","8","3","7","1") = "7"
    & skf18("8","4","1","8","3","8","1") = "7"
    & skf18("8","4","1","8","3","9","1") = "8"
    & skf18("8","4","1","8","3","10","1") = "9"
    & skf18("8","4","1","8","4","1","1") = "7"
    & skf18("8","4","1","8","4","2","1") = "7"
    & skf18("8","4","1","8","4","3","1") = "7"
    & skf18("8","4","1","8","4","4","1") = "7"
    & skf18("8","4","1","8","4","5","1") = "7"
    & skf18("8","4","1","8","4","6","1") = "7"
    & skf18("8","4","1","8","4","7","1") = "7"
    & skf18("8","4","1","8","4","8","1") = "7"
    & skf18("8","4","1","8","4","9","1") = "8"
    & skf18("8","4","1","8","4","10","1") = "9"
    & skf18("8","4","1","8","5","1","1") = "7"
    & skf18("8","4","1","8","5","2","1") = "7"
    & skf18("8","4","1","8","5","3","1") = "7"
    & skf18("8","4","1","8","5","4","1") = "7"
    & skf18("8","4","1","8","5","5","1") = "7"
    & skf18("8","4","1","8","5","6","1") = "7"
    & skf18("8","4","1","8","5","7","1") = "7"
    & skf18("8","4","1","8","5","8","1") = "7"
    & skf18("8","4","1","8","5","9","1") = "8"
    & skf18("8","4","1","8","5","10","1") = "9"
    & skf18("8","4","1","8","6","1","1") = "7"
    & skf18("8","4","1","8","6","2","1") = "7"
    & skf18("8","4","1","8","6","3","1") = "7"
    & skf18("8","4","1","8","6","4","1") = "7"
    & skf18("8","4","1","8","6","5","1") = "7"
    & skf18("8","4","1","8","6","6","1") = "7"
    & skf18("8","4","1","8","6","7","1") = "7"
    & skf18("8","4","1","8","6","8","1") = "7"
    & skf18("8","4","1","8","6","9","1") = "8"
    & skf18("8","4","1","8","6","10","1") = "9"
    & skf18("8","4","1","8","7","1","1") = "7"
    & skf18("8","4","1","8","7","2","1") = "7"
    & skf18("8","4","1","8","7","3","1") = "7"
    & skf18("8","4","1","8","7","4","1") = "7"
    & skf18("8","4","1","8","7","5","1") = "7"
    & skf18("8","4","1","8","7","6","1") = "7"
    & skf18("8","4","1","8","7","7","1") = "7"
    & skf18("8","4","1","8","7","8","1") = "7"
    & skf18("8","4","1","8","7","9","1") = "8"
    & skf18("8","4","1","8","7","10","1") = "9"
    & skf18("8","4","1","8","8","1","1") = "7"
    & skf18("8","4","1","8","8","2","1") = "7"
    & skf18("8","4","1","8","8","3","1") = "7"
    & skf18("8","4","1","8","8","4","1") = "7"
    & skf18("8","4","1","8","8","5","1") = "7"
    & skf18("8","4","1","8","8","6","1") = "7"
    & skf18("8","4","1","8","8","7","1") = "7"
    & skf18("8","4","1","8","8","8","1") = "7"
    & skf18("8","4","1","8","8","9","1") = "8"
    & skf18("8","4","1","8","8","10","1") = "9"
    & skf18("8","4","1","8","9","1","1") = "8"
    & skf18("8","4","1","8","9","2","1") = "8"
    & skf18("8","4","1","8","9","3","1") = "8"
    & skf18("8","4","1","8","9","4","1") = "8"
    & skf18("8","4","1","8","9","5","1") = "8"
    & skf18("8","4","1","8","9","6","1") = "8"
    & skf18("8","4","1","8","9","7","1") = "8"
    & skf18("8","4","1","8","9","8","1") = "8"
    & skf18("8","4","1","8","9","9","1") = "8"
    & skf18("8","4","1","8","9","10","1") = "9"
    & skf18("8","4","1","8","10","1","1") = "9"
    & skf18("8","4","1","8","10","2","1") = "9"
    & skf18("8","4","1","8","10","3","1") = "9"
    & skf18("8","4","1","8","10","4","1") = "9"
    & skf18("8","4","1","8","10","5","1") = "9"
    & skf18("8","4","1","8","10","6","1") = "9"
    & skf18("8","4","1","8","10","7","1") = "9"
    & skf18("8","4","1","8","10","8","1") = "9"
    & skf18("8","4","1","8","10","9","1") = "9"
    & skf18("8","4","1","8","10","10","1") = "9"
    & skf18("8","4","1","9","1","1","1") = "8"
    & skf18("8","4","1","9","1","2","1") = "8"
    & skf18("8","4","1","9","1","3","1") = "8"
    & skf18("8","4","1","9","1","4","1") = "8"
    & skf18("8","4","1","9","1","5","1") = "8"
    & skf18("8","4","1","9","1","6","1") = "8"
    & skf18("8","4","1","9","1","7","1") = "8"
    & skf18("8","4","1","9","1","8","1") = "8"
    & skf18("8","4","1","9","1","9","1") = "8"
    & skf18("8","4","1","9","1","10","1") = "9"
    & skf18("8","4","1","9","2","1","1") = "8"
    & skf18("8","4","1","9","2","2","1") = "8"
    & skf18("8","4","1","9","2","3","1") = "8"
    & skf18("8","4","1","9","2","4","1") = "8"
    & skf18("8","4","1","9","2","5","1") = "8"
    & skf18("8","4","1","9","2","6","1") = "8"
    & skf18("8","4","1","9","2","7","1") = "8"
    & skf18("8","4","1","9","2","8","1") = "8"
    & skf18("8","4","1","9","2","9","1") = "8"
    & skf18("8","4","1","9","2","10","1") = "9"
    & skf18("8","4","1","9","3","1","1") = "8"
    & skf18("8","4","1","9","3","2","1") = "8"
    & skf18("8","4","1","9","3","3","1") = "8"
    & skf18("8","4","1","9","3","4","1") = "8"
    & skf18("8","4","1","9","3","5","1") = "8"
    & skf18("8","4","1","9","3","6","1") = "8"
    & skf18("8","4","1","9","3","7","1") = "8"
    & skf18("8","4","1","9","3","8","1") = "8"
    & skf18("8","4","1","9","3","9","1") = "8"
    & skf18("8","4","1","9","3","10","1") = "9"
    & skf18("8","4","1","9","4","1","1") = "8"
    & skf18("8","4","1","9","4","2","1") = "8"
    & skf18("8","4","1","9","4","3","1") = "8"
    & skf18("8","4","1","9","4","4","1") = "8"
    & skf18("8","4","1","9","4","5","1") = "8"
    & skf18("8","4","1","9","4","6","1") = "8"
    & skf18("8","4","1","9","4","7","1") = "8"
    & skf18("8","4","1","9","4","8","1") = "8"
    & skf18("8","4","1","9","4","9","1") = "8"
    & skf18("8","4","1","9","4","10","1") = "9"
    & skf18("8","4","1","9","5","1","1") = "8"
    & skf18("8","4","1","9","5","2","1") = "8"
    & skf18("8","4","1","9","5","3","1") = "8"
    & skf18("8","4","1","9","5","4","1") = "8"
    & skf18("8","4","1","9","5","5","1") = "8"
    & skf18("8","4","1","9","5","6","1") = "8"
    & skf18("8","4","1","9","5","7","1") = "8"
    & skf18("8","4","1","9","5","8","1") = "8"
    & skf18("8","4","1","9","5","9","1") = "8"
    & skf18("8","4","1","9","5","10","1") = "9"
    & skf18("8","4","1","9","6","1","1") = "8"
    & skf18("8","4","1","9","6","2","1") = "8"
    & skf18("8","4","1","9","6","3","1") = "8"
    & skf18("8","4","1","9","6","4","1") = "8"
    & skf18("8","4","1","9","6","5","1") = "8"
    & skf18("8","4","1","9","6","6","1") = "8"
    & skf18("8","4","1","9","6","7","1") = "8"
    & skf18("8","4","1","9","6","8","1") = "8"
    & skf18("8","4","1","9","6","9","1") = "8"
    & skf18("8","4","1","9","6","10","1") = "9"
    & skf18("8","4","1","9","7","1","1") = "8"
    & skf18("8","4","1","9","7","2","1") = "8"
    & skf18("8","4","1","9","7","3","1") = "8"
    & skf18("8","4","1","9","7","4","1") = "8"
    & skf18("8","4","1","9","7","5","1") = "8"
    & skf18("8","4","1","9","7","6","1") = "8"
    & skf18("8","4","1","9","7","7","1") = "8"
    & skf18("8","4","1","9","7","8","1") = "8"
    & skf18("8","4","1","9","7","9","1") = "8"
    & skf18("8","4","1","9","7","10","1") = "9"
    & skf18("8","4","1","9","8","1","1") = "8"
    & skf18("8","4","1","9","8","2","1") = "8"
    & skf18("8","4","1","9","8","3","1") = "8"
    & skf18("8","4","1","9","8","4","1") = "8"
    & skf18("8","4","1","9","8","5","1") = "8"
    & skf18("8","4","1","9","8","6","1") = "8"
    & skf18("8","4","1","9","8","7","1") = "8"
    & skf18("8","4","1","9","8","8","1") = "8"
    & skf18("8","4","1","9","8","9","1") = "8"
    & skf18("8","4","1","9","8","10","1") = "9"
    & skf18("8","4","1","9","9","1","1") = "8"
    & skf18("8","4","1","9","9","2","1") = "8"
    & skf18("8","4","1","9","9","3","1") = "8"
    & skf18("8","4","1","9","9","4","1") = "8"
    & skf18("8","4","1","9","9","5","1") = "8"
    & skf18("8","4","1","9","9","6","1") = "8"
    & skf18("8","4","1","9","9","7","1") = "8"
    & skf18("8","4","1","9","9","8","1") = "8"
    & skf18("8","4","1","9","9","9","1") = "8"
    & skf18("8","4","1","9","9","10","1") = "9"
    & skf18("8","4","1","9","10","1","1") = "9"
    & skf18("8","4","1","9","10","2","1") = "9"
    & skf18("8","4","1","9","10","3","1") = "9"
    & skf18("8","4","1","9","10","4","1") = "9"
    & skf18("8","4","1","9","10","5","1") = "9"
    & skf18("8","4","1","9","10","6","1") = "9"
    & skf18("8","4","1","9","10","7","1") = "9"
    & skf18("8","4","1","9","10","8","1") = "9"
    & skf18("8","4","1","9","10","9","1") = "9"
    & skf18("8","4","1","9","10","10","1") = "9"
    & skf18("8","4","1","10","1","1","1") = "9"
    & skf18("8","4","1","10","1","2","1") = "9"
    & skf18("8","4","1","10","1","3","1") = "9"
    & skf18("8","4","1","10","1","4","1") = "9"
    & skf18("8","4","1","10","1","5","1") = "9"
    & skf18("8","4","1","10","1","6","1") = "9"
    & skf18("8","4","1","10","1","7","1") = "9"
    & skf18("8","4","1","10","1","8","1") = "9"
    & skf18("8","4","1","10","1","9","1") = "9"
    & skf18("8","4","1","10","1","10","1") = "9"
    & skf18("8","4","1","10","2","1","1") = "9"
    & skf18("8","4","1","10","2","2","1") = "9"
    & skf18("8","4","1","10","2","3","1") = "9"
    & skf18("8","4","1","10","2","4","1") = "9"
    & skf18("8","4","1","10","2","5","1") = "9"
    & skf18("8","4","1","10","2","6","1") = "9"
    & skf18("8","4","1","10","2","7","1") = "9"
    & skf18("8","4","1","10","2","8","1") = "9"
    & skf18("8","4","1","10","2","9","1") = "9"
    & skf18("8","4","1","10","2","10","1") = "9"
    & skf18("8","4","1","10","3","1","1") = "9"
    & skf18("8","4","1","10","3","2","1") = "9"
    & skf18("8","4","1","10","3","3","1") = "9"
    & skf18("8","4","1","10","3","4","1") = "9"
    & skf18("8","4","1","10","3","5","1") = "9"
    & skf18("8","4","1","10","3","6","1") = "9"
    & skf18("8","4","1","10","3","7","1") = "9"
    & skf18("8","4","1","10","3","8","1") = "9"
    & skf18("8","4","1","10","3","9","1") = "9"
    & skf18("8","4","1","10","3","10","1") = "9"
    & skf18("8","4","1","10","4","1","1") = "9"
    & skf18("8","4","1","10","4","2","1") = "9"
    & skf18("8","4","1","10","4","3","1") = "9"
    & skf18("8","4","1","10","4","4","1") = "9"
    & skf18("8","4","1","10","4","5","1") = "9"
    & skf18("8","4","1","10","4","6","1") = "9"
    & skf18("8","4","1","10","4","7","1") = "9"
    & skf18("8","4","1","10","4","8","1") = "9"
    & skf18("8","4","1","10","4","9","1") = "9"
    & skf18("8","4","1","10","4","10","1") = "9"
    & skf18("8","4","1","10","5","1","1") = "9"
    & skf18("8","4","1","10","5","2","1") = "9"
    & skf18("8","4","1","10","5","3","1") = "9"
    & skf18("8","4","1","10","5","4","1") = "9"
    & skf18("8","4","1","10","5","5","1") = "9"
    & skf18("8","4","1","10","5","6","1") = "9"
    & skf18("8","4","1","10","5","7","1") = "9"
    & skf18("8","4","1","10","5","8","1") = "9"
    & skf18("8","4","1","10","5","9","1") = "9"
    & skf18("8","4","1","10","5","10","1") = "9"
    & skf18("8","4","1","10","6","1","1") = "9"
    & skf18("8","4","1","10","6","2","1") = "9"
    & skf18("8","4","1","10","6","3","1") = "9"
    & skf18("8","4","1","10","6","4","1") = "9"
    & skf18("8","4","1","10","6","5","1") = "9"
    & skf18("8","4","1","10","6","6","1") = "9"
    & skf18("8","4","1","10","6","7","1") = "9"
    & skf18("8","4","1","10","6","8","1") = "9"
    & skf18("8","4","1","10","6","9","1") = "9"
    & skf18("8","4","1","10","6","10","1") = "9"
    & skf18("8","4","1","10","7","1","1") = "9"
    & skf18("8","4","1","10","7","2","1") = "9"
    & skf18("8","4","1","10","7","3","1") = "9"
    & skf18("8","4","1","10","7","4","1") = "9"
    & skf18("8","4","1","10","7","5","1") = "9"
    & skf18("8","4","1","10","7","6","1") = "9"
    & skf18("8","4","1","10","7","7","1") = "9"
    & skf18("8","4","1","10","7","8","1") = "9"
    & skf18("8","4","1","10","7","9","1") = "9"
    & skf18("8","4","1","10","7","10","1") = "9"
    & skf18("8","4","1","10","8","1","1") = "9"
    & skf18("8","4","1","10","8","2","1") = "9"
    & skf18("8","4","1","10","8","3","1") = "9"
    & skf18("8","4","1","10","8","4","1") = "9"
    & skf18("8","4","1","10","8","5","1") = "9"
    & skf18("8","4","1","10","8","6","1") = "9"
    & skf18("8","4","1","10","8","7","1") = "9"
    & skf18("8","4","1","10","8","8","1") = "9"
    & skf18("8","4","1","10","8","9","1") = "9"
    & skf18("8","4","1","10","8","10","1") = "9"
    & skf18("8","4","1","10","9","1","1") = "9"
    & skf18("8","4","1","10","9","2","1") = "9"
    & skf18("8","4","1","10","9","3","1") = "9"
    & skf18("8","4","1","10","9","4","1") = "9"
    & skf18("8","4","1","10","9","5","1") = "9"
    & skf18("8","4","1","10","9","6","1") = "9"
    & skf18("8","4","1","10","9","7","1") = "9"
    & skf18("8","4","1","10","9","8","1") = "9"
    & skf18("8","4","1","10","9","9","1") = "9"
    & skf18("8","4","1","10","9","10","1") = "9"
    & skf18("8","4","1","10","10","1","1") = "9"
    & skf18("8","4","1","10","10","2","1") = "9"
    & skf18("8","4","1","10","10","3","1") = "9"
    & skf18("8","4","1","10","10","4","1") = "9"
    & skf18("8","4","1","10","10","5","1") = "9"
    & skf18("8","4","1","10","10","6","1") = "9"
    & skf18("8","4","1","10","10","7","1") = "9"
    & skf18("8","4","1","10","10","8","1") = "9"
    & skf18("8","4","1","10","10","9","1") = "9"
    & skf18("8","4","1","10","10","10","1") = "9"
    & skf18("8","4","2","1","1","1","1") = "7"
    & skf18("8","4","2","1","1","2","1") = "7"
    & skf18("8","4","2","1","1","3","1") = "7"
    & skf18("8","4","2","1","1","4","1") = "7"
    & skf18("8","4","2","1","1","5","1") = "7"
    & skf18("8","4","2","1","1","6","1") = "7"
    & skf18("8","4","2","1","1","7","1") = "7"
    & skf18("8","4","2","1","1","8","1") = "7"
    & skf18("8","4","2","1","1","9","1") = "8"
    & skf18("8","4","2","1","1","10","1") = "9"
    & skf18("8","4","2","1","2","1","1") = "7"
    & skf18("8","4","2","1","2","2","1") = "7"
    & skf18("8","4","2","1","2","3","1") = "7"
    & skf18("8","4","2","1","2","4","1") = "7"
    & skf18("8","4","2","1","2","5","1") = "7"
    & skf18("8","4","2","1","2","6","1") = "7"
    & skf18("8","4","2","1","2","7","1") = "7"
    & skf18("8","4","2","1","2","8","1") = "7"
    & skf18("8","4","2","1","2","9","1") = "8"
    & skf18("8","4","2","1","2","10","1") = "9"
    & skf18("8","4","2","1","3","1","1") = "7"
    & skf18("8","4","2","1","3","2","1") = "7"
    & skf18("8","4","2","1","3","3","1") = "7"
    & skf18("8","4","2","1","3","4","1") = "7"
    & skf18("8","4","2","1","3","5","1") = "7"
    & skf18("8","4","2","1","3","6","1") = "7"
    & skf18("8","4","2","1","3","7","1") = "7"
    & skf18("8","4","2","1","3","8","1") = "7"
    & skf18("8","4","2","1","3","9","1") = "8"
    & skf18("8","4","2","1","3","10","1") = "9"
    & skf18("8","4","2","1","4","1","1") = "7"
    & skf18("8","4","2","1","4","2","1") = "7"
    & skf18("8","4","2","1","4","3","1") = "7"
    & skf18("8","4","2","1","4","4","1") = "7"
    & skf18("8","4","2","1","4","5","1") = "7"
    & skf18("8","4","2","1","4","6","1") = "7"
    & skf18("8","4","2","1","4","7","1") = "7"
    & skf18("8","4","2","1","4","8","1") = "7"
    & skf18("8","4","2","1","4","9","1") = "8"
    & skf18("8","4","2","1","4","10","1") = "9"
    & skf18("8","4","2","1","5","1","1") = "7"
    & skf18("8","4","2","1","5","2","1") = "7"
    & skf18("8","4","2","1","5","3","1") = "7"
    & skf18("8","4","2","1","5","4","1") = "7"
    & skf18("8","4","2","1","5","5","1") = "7"
    & skf18("8","4","2","1","5","6","1") = "7"
    & skf18("8","4","2","1","5","7","1") = "7"
    & skf18("8","4","2","1","5","8","1") = "7"
    & skf18("8","4","2","1","5","9","1") = "8"
    & skf18("8","4","2","1","5","10","1") = "9"
    & skf18("8","4","2","1","6","1","1") = "7"
    & skf18("8","4","2","1","6","2","1") = "7"
    & skf18("8","4","2","1","6","3","1") = "7"
    & skf18("8","4","2","1","6","4","1") = "7"
    & skf18("8","4","2","1","6","5","1") = "7"
    & skf18("8","4","2","1","6","6","1") = "7"
    & skf18("8","4","2","1","6","7","1") = "7"
    & skf18("8","4","2","1","6","8","1") = "7"
    & skf18("8","4","2","1","6","9","1") = "8"
    & skf18("8","4","2","1","6","10","1") = "9"
    & skf18("8","4","2","1","7","1","1") = "7"
    & skf18("8","4","2","1","7","2","1") = "7"
    & skf18("8","4","2","1","7","3","1") = "7"
    & skf18("8","4","2","1","7","4","1") = "7"
    & skf18("8","4","2","1","7","5","1") = "7"
    & skf18("8","4","2","1","7","6","1") = "7"
    & skf18("8","4","2","1","7","7","1") = "7"
    & skf18("8","4","2","1","7","8","1") = "7"
    & skf18("8","4","2","1","7","9","1") = "8"
    & skf18("8","4","2","1","7","10","1") = "9"
    & skf18("8","4","2","1","8","1","1") = "7"
    & skf18("8","4","2","1","8","2","1") = "7"
    & skf18("8","4","2","1","8","3","1") = "7"
    & skf18("8","4","2","1","8","4","1") = "7"
    & skf18("8","4","2","1","8","5","1") = "7"
    & skf18("8","4","2","1","8","6","1") = "7"
    & skf18("8","4","2","1","8","7","1") = "7"
    & skf18("8","4","2","1","8","8","1") = "7"
    & skf18("8","4","2","1","8","9","1") = "8"
    & skf18("8","4","2","1","8","10","1") = "9"
    & skf18("8","4","2","1","9","1","1") = "8"
    & skf18("8","4","2","1","9","2","1") = "8"
    & skf18("8","4","2","1","9","3","1") = "8"
    & skf18("8","4","2","1","9","4","1") = "8"
    & skf18("8","4","2","1","9","5","1") = "8"
    & skf18("8","4","2","1","9","6","1") = "8"
    & skf18("8","4","2","1","9","7","1") = "8"
    & skf18("8","4","2","1","9","8","1") = "8"
    & skf18("8","4","2","1","9","9","1") = "8"
    & skf18("8","4","2","1","9","10","1") = "9"
    & skf18("8","4","2","1","10","1","1") = "9"
    & skf18("8","4","2","1","10","2","1") = "9"
    & skf18("8","4","2","1","10","3","1") = "9"
    & skf18("8","4","2","1","10","4","1") = "9"
    & skf18("8","4","2","1","10","5","1") = "9"
    & skf18("8","4","2","1","10","6","1") = "9"
    & skf18("8","4","2","1","10","7","1") = "9"
    & skf18("8","4","2","1","10","8","1") = "9"
    & skf18("8","4","2","1","10","9","1") = "9"
    & skf18("8","4","2","1","10","10","1") = "9"
    & skf18("8","4","2","2","1","1","1") = "7"
    & skf18("8","4","2","2","1","2","1") = "7"
    & skf18("8","4","2","2","1","3","1") = "7"
    & skf18("8","4","2","2","1","4","1") = "7"
    & skf18("8","4","2","2","1","5","1") = "7"
    & skf18("8","4","2","2","1","6","1") = "7"
    & skf18("8","4","2","2","1","7","1") = "7"
    & skf18("8","4","2","2","1","8","1") = "7"
    & skf18("8","4","2","2","1","9","1") = "8"
    & skf18("8","4","2","2","1","10","1") = "9"
    & skf18("8","4","2","2","2","1","1") = "7"
    & skf18("8","4","2","2","2","2","1") = "7"
    & skf18("8","4","2","2","2","3","1") = "7"
    & skf18("8","4","2","2","2","4","1") = "7"
    & skf18("8","4","2","2","2","5","1") = "7"
    & skf18("8","4","2","2","2","6","1") = "7"
    & skf18("8","4","2","2","2","7","1") = "7"
    & skf18("8","4","2","2","2","8","1") = "7"
    & skf18("8","4","2","2","2","9","1") = "8"
    & skf18("8","4","2","2","2","10","1") = "9"
    & skf18("8","4","2","2","3","1","1") = "7"
    & skf18("8","4","2","2","3","2","1") = "7"
    & skf18("8","4","2","2","3","3","1") = "7"
    & skf18("8","4","2","2","3","4","1") = "7"
    & skf18("8","4","2","2","3","5","1") = "7"
    & skf18("8","4","2","2","3","6","1") = "7"
    & skf18("8","4","2","2","3","7","1") = "7"
    & skf18("8","4","2","2","3","8","1") = "7"
    & skf18("8","4","2","2","3","9","1") = "8"
    & skf18("8","4","2","2","3","10","1") = "9"
    & skf18("8","4","2","2","4","1","1") = "7"
    & skf18("8","4","2","2","4","2","1") = "7"
    & skf18("8","4","2","2","4","3","1") = "7"
    & skf18("8","4","2","2","4","4","1") = "7"
    & skf18("8","4","2","2","4","5","1") = "7"
    & skf18("8","4","2","2","4","6","1") = "7"
    & skf18("8","4","2","2","4","7","1") = "7"
    & skf18("8","4","2","2","4","8","1") = "7"
    & skf18("8","4","2","2","4","9","1") = "8"
    & skf18("8","4","2","2","4","10","1") = "9"
    & skf18("8","4","2","2","5","1","1") = "7"
    & skf18("8","4","2","2","5","2","1") = "7"
    & skf18("8","4","2","2","5","3","1") = "7"
    & skf18("8","4","2","2","5","4","1") = "7"
    & skf18("8","4","2","2","5","5","1") = "7"
    & skf18("8","4","2","2","5","6","1") = "7"
    & skf18("8","4","2","2","5","7","1") = "7"
    & skf18("8","4","2","2","5","8","1") = "7"
    & skf18("8","4","2","2","5","9","1") = "8"
    & skf18("8","4","2","2","5","10","1") = "9"
    & skf18("8","4","2","2","6","1","1") = "7"
    & skf18("8","4","2","2","6","2","1") = "7"
    & skf18("8","4","2","2","6","3","1") = "7"
    & skf18("8","4","2","2","6","4","1") = "7"
    & skf18("8","4","2","2","6","5","1") = "7"
    & skf18("8","4","2","2","6","6","1") = "7"
    & skf18("8","4","2","2","6","7","1") = "7"
    & skf18("8","4","2","2","6","8","1") = "7"
    & skf18("8","4","2","2","6","9","1") = "8"
    & skf18("8","4","2","2","6","10","1") = "9"
    & skf18("8","4","2","2","7","1","1") = "7"
    & skf18("8","4","2","2","7","2","1") = "7"
    & skf18("8","4","2","2","7","3","1") = "7"
    & skf18("8","4","2","2","7","4","1") = "7"
    & skf18("8","4","2","2","7","5","1") = "7"
    & skf18("8","4","2","2","7","6","1") = "7"
    & skf18("8","4","2","2","7","7","1") = "7"
    & skf18("8","4","2","2","7","8","1") = "7"
    & skf18("8","4","2","2","7","9","1") = "8"
    & skf18("8","4","2","2","7","10","1") = "9"
    & skf18("8","4","2","2","8","1","1") = "7"
    & skf18("8","4","2","2","8","2","1") = "7"
    & skf18("8","4","2","2","8","3","1") = "7"
    & skf18("8","4","2","2","8","4","1") = "7"
    & skf18("8","4","2","2","8","5","1") = "7"
    & skf18("8","4","2","2","8","6","1") = "7"
    & skf18("8","4","2","2","8","7","1") = "7"
    & skf18("8","4","2","2","8","8","1") = "7"
    & skf18("8","4","2","2","8","9","1") = "8"
    & skf18("8","4","2","2","8","10","1") = "9"
    & skf18("8","4","2","2","9","1","1") = "8"
    & skf18("8","4","2","2","9","2","1") = "8"
    & skf18("8","4","2","2","9","3","1") = "8"
    & skf18("8","4","2","2","9","4","1") = "8"
    & skf18("8","4","2","2","9","5","1") = "8"
    & skf18("8","4","2","2","9","6","1") = "8"
    & skf18("8","4","2","2","9","7","1") = "8"
    & skf18("8","4","2","2","9","8","1") = "8"
    & skf18("8","4","2","2","9","9","1") = "8"
    & skf18("8","4","2","2","9","10","1") = "9"
    & skf18("8","4","2","2","10","1","1") = "9"
    & skf18("8","4","2","2","10","2","1") = "9"
    & skf18("8","4","2","2","10","3","1") = "9"
    & skf18("8","4","2","2","10","4","1") = "9"
    & skf18("8","4","2","2","10","5","1") = "9"
    & skf18("8","4","2","2","10","6","1") = "9"
    & skf18("8","4","2","2","10","7","1") = "9"
    & skf18("8","4","2","2","10","8","1") = "9"
    & skf18("8","4","2","2","10","9","1") = "9"
    & skf18("8","4","2","2","10","10","1") = "9"
    & skf18("8","4","2","3","1","1","1") = "7"
    & skf18("8","4","2","3","1","2","1") = "7"
    & skf18("8","4","2","3","1","3","1") = "7"
    & skf18("8","4","2","3","1","4","1") = "7"
    & skf18("8","4","2","3","1","5","1") = "7"
    & skf18("8","4","2","3","1","6","1") = "7"
    & skf18("8","4","2","3","1","7","1") = "7"
    & skf18("8","4","2","3","1","8","1") = "7"
    & skf18("8","4","2","3","1","9","1") = "8"
    & skf18("8","4","2","3","1","10","1") = "9"
    & skf18("8","4","2","3","2","1","1") = "7"
    & skf18("8","4","2","3","2","2","1") = "7"
    & skf18("8","4","2","3","2","3","1") = "7"
    & skf18("8","4","2","3","2","4","1") = "7"
    & skf18("8","4","2","3","2","5","1") = "7"
    & skf18("8","4","2","3","2","6","1") = "7"
    & skf18("8","4","2","3","2","7","1") = "7"
    & skf18("8","4","2","3","2","8","1") = "7"
    & skf18("8","4","2","3","2","9","1") = "8"
    & skf18("8","4","2","3","2","10","1") = "9"
    & skf18("8","4","2","3","3","1","1") = "7"
    & skf18("8","4","2","3","3","2","1") = "7"
    & skf18("8","4","2","3","3","3","1") = "7"
    & skf18("8","4","2","3","3","4","1") = "7"
    & skf18("8","4","2","3","3","5","1") = "7"
    & skf18("8","4","2","3","3","6","1") = "7"
    & skf18("8","4","2","3","3","7","1") = "7"
    & skf18("8","4","2","3","3","8","1") = "7"
    & skf18("8","4","2","3","3","9","1") = "8"
    & skf18("8","4","2","3","3","10","1") = "9"
    & skf18("8","4","2","3","4","1","1") = "7"
    & skf18("8","4","2","3","4","2","1") = "7"
    & skf18("8","4","2","3","4","3","1") = "7"
    & skf18("8","4","2","3","4","4","1") = "7"
    & skf18("8","4","2","3","4","5","1") = "7"
    & skf18("8","4","2","3","4","6","1") = "7"
    & skf18("8","4","2","3","4","7","1") = "7"
    & skf18("8","4","2","3","4","8","1") = "7"
    & skf18("8","4","2","3","4","9","1") = "8"
    & skf18("8","4","2","3","4","10","1") = "9"
    & skf18("8","4","2","3","5","1","1") = "7"
    & skf18("8","4","2","3","5","2","1") = "7"
    & skf18("8","4","2","3","5","3","1") = "7"
    & skf18("8","4","2","3","5","4","1") = "7"
    & skf18("8","4","2","3","5","5","1") = "7"
    & skf18("8","4","2","3","5","6","1") = "7"
    & skf18("8","4","2","3","5","7","1") = "7"
    & skf18("8","4","2","3","5","8","1") = "7"
    & skf18("8","4","2","3","5","9","1") = "8"
    & skf18("8","4","2","3","5","10","1") = "9"
    & skf18("8","4","2","3","6","1","1") = "7"
    & skf18("8","4","2","3","6","2","1") = "7"
    & skf18("8","4","2","3","6","3","1") = "7"
    & skf18("8","4","2","3","6","4","1") = "7"
    & skf18("8","4","2","3","6","5","1") = "7"
    & skf18("8","4","2","3","6","6","1") = "7"
    & skf18("8","4","2","3","6","7","1") = "7"
    & skf18("8","4","2","3","6","8","1") = "7"
    & skf18("8","4","2","3","6","9","1") = "8"
    & skf18("8","4","2","3","6","10","1") = "9"
    & skf18("8","4","2","3","7","1","1") = "7"
    & skf18("8","4","2","3","7","2","1") = "7"
    & skf18("8","4","2","3","7","3","1") = "7"
    & skf18("8","4","2","3","7","4","1") = "7"
    & skf18("8","4","2","3","7","5","1") = "7"
    & skf18("8","4","2","3","7","6","1") = "7"
    & skf18("8","4","2","3","7","7","1") = "7"
    & skf18("8","4","2","3","7","8","1") = "7"
    & skf18("8","4","2","3","7","9","1") = "8"
    & skf18("8","4","2","3","7","10","1") = "9"
    & skf18("8","4","2","3","8","1","1") = "7"
    & skf18("8","4","2","3","8","2","1") = "7"
    & skf18("8","4","2","3","8","3","1") = "7"
    & skf18("8","4","2","3","8","4","1") = "7"
    & skf18("8","4","2","3","8","5","1") = "7"
    & skf18("8","4","2","3","8","6","1") = "7"
    & skf18("8","4","2","3","8","7","1") = "7"
    & skf18("8","4","2","3","8","8","1") = "7"
    & skf18("8","4","2","3","8","9","1") = "8"
    & skf18("8","4","2","3","8","10","1") = "9"
    & skf18("8","4","2","3","9","1","1") = "8"
    & skf18("8","4","2","3","9","2","1") = "8"
    & skf18("8","4","2","3","9","3","1") = "8"
    & skf18("8","4","2","3","9","4","1") = "8"
    & skf18("8","4","2","3","9","5","1") = "8"
    & skf18("8","4","2","3","9","6","1") = "8"
    & skf18("8","4","2","3","9","7","1") = "8"
    & skf18("8","4","2","3","9","8","1") = "8"
    & skf18("8","4","2","3","9","9","1") = "8"
    & skf18("8","4","2","3","9","10","1") = "9"
    & skf18("8","4","2","3","10","1","1") = "9"
    & skf18("8","4","2","3","10","2","1") = "9"
    & skf18("8","4","2","3","10","3","1") = "9"
    & skf18("8","4","2","3","10","4","1") = "9"
    & skf18("8","4","2","3","10","5","1") = "9"
    & skf18("8","4","2","3","10","6","1") = "9"
    & skf18("8","4","2","3","10","7","1") = "9"
    & skf18("8","4","2","3","10","8","1") = "9"
    & skf18("8","4","2","3","10","9","1") = "9"
    & skf18("8","4","2","3","10","10","1") = "9"
    & skf18("8","4","2","4","1","1","1") = "7"
    & skf18("8","4","2","4","1","2","1") = "7"
    & skf18("8","4","2","4","1","3","1") = "7"
    & skf18("8","4","2","4","1","4","1") = "7"
    & skf18("8","4","2","4","1","5","1") = "7"
    & skf18("8","4","2","4","1","6","1") = "7"
    & skf18("8","4","2","4","1","7","1") = "7"
    & skf18("8","4","2","4","1","8","1") = "7"
    & skf18("8","4","2","4","1","9","1") = "8"
    & skf18("8","4","2","4","1","10","1") = "9"
    & skf18("8","4","2","4","2","1","1") = "7"
    & skf18("8","4","2","4","2","2","1") = "7"
    & skf18("8","4","2","4","2","3","1") = "7"
    & skf18("8","4","2","4","2","4","1") = "7"
    & skf18("8","4","2","4","2","5","1") = "7"
    & skf18("8","4","2","4","2","6","1") = "7"
    & skf18("8","4","2","4","2","7","1") = "7"
    & skf18("8","4","2","4","2","8","1") = "7"
    & skf18("8","4","2","4","2","9","1") = "8"
    & skf18("8","4","2","4","2","10","1") = "9"
    & skf18("8","4","2","4","3","1","1") = "7"
    & skf18("8","4","2","4","3","2","1") = "7"
    & skf18("8","4","2","4","3","3","1") = "7"
    & skf18("8","4","2","4","3","4","1") = "7"
    & skf18("8","4","2","4","3","5","1") = "7"
    & skf18("8","4","2","4","3","6","1") = "7"
    & skf18("8","4","2","4","3","7","1") = "7"
    & skf18("8","4","2","4","3","8","1") = "7"
    & skf18("8","4","2","4","3","9","1") = "8"
    & skf18("8","4","2","4","3","10","1") = "9"
    & skf18("8","4","2","4","4","1","1") = "7"
    & skf18("8","4","2","4","4","2","1") = "7"
    & skf18("8","4","2","4","4","3","1") = "7"
    & skf18("8","4","2","4","4","4","1") = "7"
    & skf18("8","4","2","4","4","5","1") = "7"
    & skf18("8","4","2","4","4","6","1") = "7"
    & skf18("8","4","2","4","4","7","1") = "7"
    & skf18("8","4","2","4","4","8","1") = "7"
    & skf18("8","4","2","4","4","9","1") = "8"
    & skf18("8","4","2","4","4","10","1") = "9"
    & skf18("8","4","2","4","5","1","1") = "7"
    & skf18("8","4","2","4","5","2","1") = "7"
    & skf18("8","4","2","4","5","3","1") = "7"
    & skf18("8","4","2","4","5","4","1") = "7"
    & skf18("8","4","2","4","5","5","1") = "7"
    & skf18("8","4","2","4","5","6","1") = "7"
    & skf18("8","4","2","4","5","7","1") = "7"
    & skf18("8","4","2","4","5","8","1") = "7"
    & skf18("8","4","2","4","5","9","1") = "8"
    & skf18("8","4","2","4","5","10","1") = "9"
    & skf18("8","4","2","4","6","1","1") = "7"
    & skf18("8","4","2","4","6","2","1") = "7"
    & skf18("8","4","2","4","6","3","1") = "7"
    & skf18("8","4","2","4","6","4","1") = "7"
    & skf18("8","4","2","4","6","5","1") = "7"
    & skf18("8","4","2","4","6","6","1") = "7"
    & skf18("8","4","2","4","6","7","1") = "7"
    & skf18("8","4","2","4","6","8","1") = "7"
    & skf18("8","4","2","4","6","9","1") = "8"
    & skf18("8","4","2","4","6","10","1") = "9"
    & skf18("8","4","2","4","7","1","1") = "7"
    & skf18("8","4","2","4","7","2","1") = "7"
    & skf18("8","4","2","4","7","3","1") = "7"
    & skf18("8","4","2","4","7","4","1") = "7"
    & skf18("8","4","2","4","7","5","1") = "7"
    & skf18("8","4","2","4","7","6","1") = "7"
    & skf18("8","4","2","4","7","7","1") = "7"
    & skf18("8","4","2","4","7","8","1") = "7"
    & skf18("8","4","2","4","7","9","1") = "8"
    & skf18("8","4","2","4","7","10","1") = "9"
    & skf18("8","4","2","4","8","1","1") = "7"
    & skf18("8","4","2","4","8","2","1") = "7"
    & skf18("8","4","2","4","8","3","1") = "7"
    & skf18("8","4","2","4","8","4","1") = "7"
    & skf18("8","4","2","4","8","5","1") = "7"
    & skf18("8","4","2","4","8","6","1") = "7"
    & skf18("8","4","2","4","8","7","1") = "7"
    & skf18("8","4","2","4","8","8","1") = "7"
    & skf18("8","4","2","4","8","9","1") = "8"
    & skf18("8","4","2","4","8","10","1") = "9"
    & skf18("8","4","2","4","9","1","1") = "8"
    & skf18("8","4","2","4","9","2","1") = "8"
    & skf18("8","4","2","4","9","3","1") = "8"
    & skf18("8","4","2","4","9","4","1") = "8"
    & skf18("8","4","2","4","9","5","1") = "8"
    & skf18("8","4","2","4","9","6","1") = "8"
    & skf18("8","4","2","4","9","7","1") = "8"
    & skf18("8","4","2","4","9","8","1") = "8"
    & skf18("8","4","2","4","9","9","1") = "8"
    & skf18("8","4","2","4","9","10","1") = "9"
    & skf18("8","4","2","4","10","1","1") = "9"
    & skf18("8","4","2","4","10","2","1") = "9"
    & skf18("8","4","2","4","10","3","1") = "9"
    & skf18("8","4","2","4","10","4","1") = "9"
    & skf18("8","4","2","4","10","5","1") = "9"
    & skf18("8","4","2","4","10","6","1") = "9"
    & skf18("8","4","2","4","10","7","1") = "9"
    & skf18("8","4","2","4","10","8","1") = "9"
    & skf18("8","4","2","4","10","9","1") = "9"
    & skf18("8","4","2","4","10","10","1") = "9"
    & skf18("8","4","2","5","1","1","1") = "7"
    & skf18("8","4","2","5","1","2","1") = "7"
    & skf18("8","4","2","5","1","3","1") = "7"
    & skf18("8","4","2","5","1","4","1") = "7"
    & skf18("8","4","2","5","1","5","1") = "7"
    & skf18("8","4","2","5","1","6","1") = "7"
    & skf18("8","4","2","5","1","7","1") = "7"
    & skf18("8","4","2","5","1","8","1") = "7"
    & skf18("8","4","2","5","1","9","1") = "8"
    & skf18("8","4","2","5","1","10","1") = "9"
    & skf18("8","4","2","5","2","1","1") = "7"
    & skf18("8","4","2","5","2","2","1") = "7"
    & skf18("8","4","2","5","2","3","1") = "7"
    & skf18("8","4","2","5","2","4","1") = "7"
    & skf18("8","4","2","5","2","5","1") = "7"
    & skf18("8","4","2","5","2","6","1") = "7"
    & skf18("8","4","2","5","2","7","1") = "7"
    & skf18("8","4","2","5","2","8","1") = "7"
    & skf18("8","4","2","5","2","9","1") = "8"
    & skf18("8","4","2","5","2","10","1") = "9"
    & skf18("8","4","2","5","3","1","1") = "7"
    & skf18("8","4","2","5","3","2","1") = "7"
    & skf18("8","4","2","5","3","3","1") = "7"
    & skf18("8","4","2","5","3","4","1") = "7"
    & skf18("8","4","2","5","3","5","1") = "7"
    & skf18("8","4","2","5","3","6","1") = "7"
    & skf18("8","4","2","5","3","7","1") = "7"
    & skf18("8","4","2","5","3","8","1") = "7"
    & skf18("8","4","2","5","3","9","1") = "8"
    & skf18("8","4","2","5","3","10","1") = "9"
    & skf18("8","4","2","5","4","1","1") = "7"
    & skf18("8","4","2","5","4","2","1") = "7"
    & skf18("8","4","2","5","4","3","1") = "7"
    & skf18("8","4","2","5","4","4","1") = "7"
    & skf18("8","4","2","5","4","5","1") = "7"
    & skf18("8","4","2","5","4","6","1") = "7"
    & skf18("8","4","2","5","4","7","1") = "7"
    & skf18("8","4","2","5","4","8","1") = "7"
    & skf18("8","4","2","5","4","9","1") = "8"
    & skf18("8","4","2","5","4","10","1") = "9"
    & skf18("8","4","2","5","5","1","1") = "7"
    & skf18("8","4","2","5","5","2","1") = "7"
    & skf18("8","4","2","5","5","3","1") = "7"
    & skf18("8","4","2","5","5","4","1") = "7"
    & skf18("8","4","2","5","5","5","1") = "7"
    & skf18("8","4","2","5","5","6","1") = "7"
    & skf18("8","4","2","5","5","7","1") = "7"
    & skf18("8","4","2","5","5","8","1") = "7"
    & skf18("8","4","2","5","5","9","1") = "8"
    & skf18("8","4","2","5","5","10","1") = "9"
    & skf18("8","4","2","5","6","1","1") = "7"
    & skf18("8","4","2","5","6","2","1") = "7"
    & skf18("8","4","2","5","6","3","1") = "7"
    & skf18("8","4","2","5","6","4","1") = "7"
    & skf18("8","4","2","5","6","5","1") = "7"
    & skf18("8","4","2","5","6","6","1") = "7"
    & skf18("8","4","2","5","6","7","1") = "7"
    & skf18("8","4","2","5","6","8","1") = "7"
    & skf18("8","4","2","5","6","9","1") = "8"
    & skf18("8","4","2","5","6","10","1") = "9"
    & skf18("8","4","2","5","7","1","1") = "7"
    & skf18("8","4","2","5","7","2","1") = "7"
    & skf18("8","4","2","5","7","3","1") = "7"
    & skf18("8","4","2","5","7","4","1") = "7"
    & skf18("8","4","2","5","7","5","1") = "7"
    & skf18("8","4","2","5","7","6","1") = "7"
    & skf18("8","4","2","5","7","7","1") = "7"
    & skf18("8","4","2","5","7","8","1") = "7"
    & skf18("8","4","2","5","7","9","1") = "8"
    & skf18("8","4","2","5","7","10","1") = "9"
    & skf18("8","4","2","5","8","1","1") = "7"
    & skf18("8","4","2","5","8","2","1") = "7"
    & skf18("8","4","2","5","8","3","1") = "7"
    & skf18("8","4","2","5","8","4","1") = "7"
    & skf18("8","4","2","5","8","5","1") = "7"
    & skf18("8","4","2","5","8","6","1") = "7"
    & skf18("8","4","2","5","8","7","1") = "7"
    & skf18("8","4","2","5","8","8","1") = "7"
    & skf18("8","4","2","5","8","9","1") = "8"
    & skf18("8","4","2","5","8","10","1") = "9"
    & skf18("8","4","2","5","9","1","1") = "8"
    & skf18("8","4","2","5","9","2","1") = "8"
    & skf18("8","4","2","5","9","3","1") = "8"
    & skf18("8","4","2","5","9","4","1") = "8"
    & skf18("8","4","2","5","9","5","1") = "8"
    & skf18("8","4","2","5","9","6","1") = "8"
    & skf18("8","4","2","5","9","7","1") = "8"
    & skf18("8","4","2","5","9","8","1") = "8"
    & skf18("8","4","2","5","9","9","1") = "8"
    & skf18("8","4","2","5","9","10","1") = "9"
    & skf18("8","4","2","5","10","1","1") = "9"
    & skf18("8","4","2","5","10","2","1") = "9"
    & skf18("8","4","2","5","10","3","1") = "9"
    & skf18("8","4","2","5","10","4","1") = "9"
    & skf18("8","4","2","5","10","5","1") = "9"
    & skf18("8","4","2","5","10","6","1") = "9"
    & skf18("8","4","2","5","10","7","1") = "9"
    & skf18("8","4","2","5","10","8","1") = "9"
    & skf18("8","4","2","5","10","9","1") = "9"
    & skf18("8","4","2","5","10","10","1") = "9"
    & skf18("8","4","2","6","1","1","1") = "7"
    & skf18("8","4","2","6","1","2","1") = "7"
    & skf18("8","4","2","6","1","3","1") = "7"
    & skf18("8","4","2","6","1","4","1") = "7"
    & skf18("8","4","2","6","1","5","1") = "7"
    & skf18("8","4","2","6","1","6","1") = "7"
    & skf18("8","4","2","6","1","7","1") = "7"
    & skf18("8","4","2","6","1","8","1") = "7"
    & skf18("8","4","2","6","1","9","1") = "8"
    & skf18("8","4","2","6","1","10","1") = "9"
    & skf18("8","4","2","6","2","1","1") = "7"
    & skf18("8","4","2","6","2","2","1") = "7"
    & skf18("8","4","2","6","2","3","1") = "7"
    & skf18("8","4","2","6","2","4","1") = "7"
    & skf18("8","4","2","6","2","5","1") = "7"
    & skf18("8","4","2","6","2","6","1") = "7"
    & skf18("8","4","2","6","2","7","1") = "7"
    & skf18("8","4","2","6","2","8","1") = "7"
    & skf18("8","4","2","6","2","9","1") = "8"
    & skf18("8","4","2","6","2","10","1") = "9"
    & skf18("8","4","2","6","3","1","1") = "7"
    & skf18("8","4","2","6","3","2","1") = "7"
    & skf18("8","4","2","6","3","3","1") = "7"
    & skf18("8","4","2","6","3","4","1") = "7"
    & skf18("8","4","2","6","3","5","1") = "7"
    & skf18("8","4","2","6","3","6","1") = "7"
    & skf18("8","4","2","6","3","7","1") = "7"
    & skf18("8","4","2","6","3","8","1") = "7"
    & skf18("8","4","2","6","3","9","1") = "8"
    & skf18("8","4","2","6","3","10","1") = "9"
    & skf18("8","4","2","6","4","1","1") = "7"
    & skf18("8","4","2","6","4","2","1") = "7"
    & skf18("8","4","2","6","4","3","1") = "7"
    & skf18("8","4","2","6","4","4","1") = "7"
    & skf18("8","4","2","6","4","5","1") = "7"
    & skf18("8","4","2","6","4","6","1") = "7"
    & skf18("8","4","2","6","4","7","1") = "7"
    & skf18("8","4","2","6","4","8","1") = "7"
    & skf18("8","4","2","6","4","9","1") = "8"
    & skf18("8","4","2","6","4","10","1") = "9"
    & skf18("8","4","2","6","5","1","1") = "7"
    & skf18("8","4","2","6","5","2","1") = "7"
    & skf18("8","4","2","6","5","3","1") = "7"
    & skf18("8","4","2","6","5","4","1") = "7"
    & skf18("8","4","2","6","5","5","1") = "7"
    & skf18("8","4","2","6","5","6","1") = "7"
    & skf18("8","4","2","6","5","7","1") = "7"
    & skf18("8","4","2","6","5","8","1") = "7"
    & skf18("8","4","2","6","5","9","1") = "8"
    & skf18("8","4","2","6","5","10","1") = "9"
    & skf18("8","4","2","6","6","1","1") = "7"
    & skf18("8","4","2","6","6","2","1") = "7"
    & skf18("8","4","2","6","6","3","1") = "7"
    & skf18("8","4","2","6","6","4","1") = "7"
    & skf18("8","4","2","6","6","5","1") = "7"
    & skf18("8","4","2","6","6","6","1") = "7"
    & skf18("8","4","2","6","6","7","1") = "7"
    & skf18("8","4","2","6","6","8","1") = "7"
    & skf18("8","4","2","6","6","9","1") = "8"
    & skf18("8","4","2","6","6","10","1") = "9"
    & skf18("8","4","2","6","7","1","1") = "7"
    & skf18("8","4","2","6","7","2","1") = "7"
    & skf18("8","4","2","6","7","3","1") = "7"
    & skf18("8","4","2","6","7","4","1") = "7"
    & skf18("8","4","2","6","7","5","1") = "7"
    & skf18("8","4","2","6","7","6","1") = "7"
    & skf18("8","4","2","6","7","7","1") = "7"
    & skf18("8","4","2","6","7","8","1") = "7"
    & skf18("8","4","2","6","7","9","1") = "8"
    & skf18("8","4","2","6","7","10","1") = "9"
    & skf18("8","4","2","6","8","1","1") = "7"
    & skf18("8","4","2","6","8","2","1") = "7"
    & skf18("8","4","2","6","8","3","1") = "7"
    & skf18("8","4","2","6","8","4","1") = "7"
    & skf18("8","4","2","6","8","5","1") = "7"
    & skf18("8","4","2","6","8","6","1") = "7"
    & skf18("8","4","2","6","8","7","1") = "7"
    & skf18("8","4","2","6","8","8","1") = "7"
    & skf18("8","4","2","6","8","9","1") = "8"
    & skf18("8","4","2","6","8","10","1") = "9"
    & skf18("8","4","2","6","9","1","1") = "8"
    & skf18("8","4","2","6","9","2","1") = "8"
    & skf18("8","4","2","6","9","3","1") = "8"
    & skf18("8","4","2","6","9","4","1") = "8"
    & skf18("8","4","2","6","9","5","1") = "8"
    & skf18("8","4","2","6","9","6","1") = "8"
    & skf18("8","4","2","6","9","7","1") = "8"
    & skf18("8","4","2","6","9","8","1") = "8"
    & skf18("8","4","2","6","9","9","1") = "8"
    & skf18("8","4","2","6","9","10","1") = "9"
    & skf18("8","4","2","6","10","1","1") = "9"
    & skf18("8","4","2","6","10","2","1") = "9"
    & skf18("8","4","2","6","10","3","1") = "9"
    & skf18("8","4","2","6","10","4","1") = "9"
    & skf18("8","4","2","6","10","5","1") = "9"
    & skf18("8","4","2","6","10","6","1") = "9"
    & skf18("8","4","2","6","10","7","1") = "9"
    & skf18("8","4","2","6","10","8","1") = "9"
    & skf18("8","4","2","6","10","9","1") = "9"
    & skf18("8","4","2","6","10","10","1") = "9"
    & skf18("8","4","2","7","1","1","1") = "7"
    & skf18("8","4","2","7","1","2","1") = "7"
    & skf18("8","4","2","7","1","3","1") = "7"
    & skf18("8","4","2","7","1","4","1") = "7"
    & skf18("8","4","2","7","1","5","1") = "7"
    & skf18("8","4","2","7","1","6","1") = "7"
    & skf18("8","4","2","7","1","7","1") = "7"
    & skf18("8","4","2","7","1","8","1") = "7"
    & skf18("8","4","2","7","1","9","1") = "8"
    & skf18("8","4","2","7","1","10","1") = "9"
    & skf18("8","4","2","7","2","1","1") = "7"
    & skf18("8","4","2","7","2","2","1") = "7"
    & skf18("8","4","2","7","2","3","1") = "7"
    & skf18("8","4","2","7","2","4","1") = "7"
    & skf18("8","4","2","7","2","5","1") = "7"
    & skf18("8","4","2","7","2","6","1") = "7"
    & skf18("8","4","2","7","2","7","1") = "7"
    & skf18("8","4","2","7","2","8","1") = "7"
    & skf18("8","4","2","7","2","9","1") = "8"
    & skf18("8","4","2","7","2","10","1") = "9"
    & skf18("8","4","2","7","3","1","1") = "7"
    & skf18("8","4","2","7","3","2","1") = "7"
    & skf18("8","4","2","7","3","3","1") = "7"
    & skf18("8","4","2","7","3","4","1") = "7"
    & skf18("8","4","2","7","3","5","1") = "7"
    & skf18("8","4","2","7","3","6","1") = "7"
    & skf18("8","4","2","7","3","7","1") = "7"
    & skf18("8","4","2","7","3","8","1") = "7"
    & skf18("8","4","2","7","3","9","1") = "8"
    & skf18("8","4","2","7","3","10","1") = "9"
    & skf18("8","4","2","7","4","1","1") = "7"
    & skf18("8","4","2","7","4","2","1") = "7"
    & skf18("8","4","2","7","4","3","1") = "7"
    & skf18("8","4","2","7","4","4","1") = "7"
    & skf18("8","4","2","7","4","5","1") = "7"
    & skf18("8","4","2","7","4","6","1") = "7"
    & skf18("8","4","2","7","4","7","1") = "7"
    & skf18("8","4","2","7","4","8","1") = "7"
    & skf18("8","4","2","7","4","9","1") = "8"
    & skf18("8","4","2","7","4","10","1") = "9"
    & skf18("8","4","2","7","5","1","1") = "7"
    & skf18("8","4","2","7","5","2","1") = "7"
    & skf18("8","4","2","7","5","3","1") = "7"
    & skf18("8","4","2","7","5","4","1") = "7"
    & skf18("8","4","2","7","5","5","1") = "7"
    & skf18("8","4","2","7","5","6","1") = "7"
    & skf18("8","4","2","7","5","7","1") = "7"
    & skf18("8","4","2","7","5","8","1") = "7"
    & skf18("8","4","2","7","5","9","1") = "8"
    & skf18("8","4","2","7","5","10","1") = "9"
    & skf18("8","4","2","7","6","1","1") = "7"
    & skf18("8","4","2","7","6","2","1") = "7"
    & skf18("8","4","2","7","6","3","1") = "7"
    & skf18("8","4","2","7","6","4","1") = "7"
    & skf18("8","4","2","7","6","5","1") = "7"
    & skf18("8","4","2","7","6","6","1") = "7"
    & skf18("8","4","2","7","6","7","1") = "7"
    & skf18("8","4","2","7","6","8","1") = "7"
    & skf18("8","4","2","7","6","9","1") = "8"
    & skf18("8","4","2","7","6","10","1") = "9"
    & skf18("8","4","2","7","7","1","1") = "7"
    & skf18("8","4","2","7","7","2","1") = "7"
    & skf18("8","4","2","7","7","3","1") = "7"
    & skf18("8","4","2","7","7","4","1") = "7"
    & skf18("8","4","2","7","7","5","1") = "7"
    & skf18("8","4","2","7","7","6","1") = "7"
    & skf18("8","4","2","7","7","7","1") = "7"
    & skf18("8","4","2","7","7","8","1") = "7"
    & skf18("8","4","2","7","7","9","1") = "8"
    & skf18("8","4","2","7","7","10","1") = "9"
    & skf18("8","4","2","7","8","1","1") = "7"
    & skf18("8","4","2","7","8","2","1") = "7"
    & skf18("8","4","2","7","8","3","1") = "7"
    & skf18("8","4","2","7","8","4","1") = "7"
    & skf18("8","4","2","7","8","5","1") = "7"
    & skf18("8","4","2","7","8","6","1") = "7"
    & skf18("8","4","2","7","8","7","1") = "7"
    & skf18("8","4","2","7","8","8","1") = "7"
    & skf18("8","4","2","7","8","9","1") = "8"
    & skf18("8","4","2","7","8","10","1") = "9"
    & skf18("8","4","2","7","9","1","1") = "8"
    & skf18("8","4","2","7","9","2","1") = "8"
    & skf18("8","4","2","7","9","3","1") = "8"
    & skf18("8","4","2","7","9","4","1") = "8"
    & skf18("8","4","2","7","9","5","1") = "8"
    & skf18("8","4","2","7","9","6","1") = "8"
    & skf18("8","4","2","7","9","7","1") = "8"
    & skf18("8","4","2","7","9","8","1") = "8"
    & skf18("8","4","2","7","9","9","1") = "8"
    & skf18("8","4","2","7","9","10","1") = "9"
    & skf18("8","4","2","7","10","1","1") = "9"
    & skf18("8","4","2","7","10","2","1") = "9"
    & skf18("8","4","2","7","10","3","1") = "9"
    & skf18("8","4","2","7","10","4","1") = "9"
    & skf18("8","4","2","7","10","5","1") = "9"
    & skf18("8","4","2","7","10","6","1") = "9"
    & skf18("8","4","2","7","10","7","1") = "9"
    & skf18("8","4","2","7","10","8","1") = "9"
    & skf18("8","4","2","7","10","9","1") = "9"
    & skf18("8","4","2","7","10","10","1") = "9"
    & skf18("8","4","2","8","1","1","1") = "7"
    & skf18("8","4","2","8","1","2","1") = "7"
    & skf18("8","4","2","8","1","3","1") = "7"
    & skf18("8","4","2","8","1","4","1") = "7"
    & skf18("8","4","2","8","1","5","1") = "7"
    & skf18("8","4","2","8","1","6","1") = "7"
    & skf18("8","4","2","8","1","7","1") = "7"
    & skf18("8","4","2","8","1","8","1") = "7"
    & skf18("8","4","2","8","1","9","1") = "8"
    & skf18("8","4","2","8","1","10","1") = "9"
    & skf18("8","4","2","8","2","1","1") = "7"
    & skf18("8","4","2","8","2","2","1") = "7"
    & skf18("8","4","2","8","2","3","1") = "7"
    & skf18("8","4","2","8","2","4","1") = "7"
    & skf18("8","4","2","8","2","5","1") = "7"
    & skf18("8","4","2","8","2","6","1") = "7"
    & skf18("8","4","2","8","2","7","1") = "7"
    & skf18("8","4","2","8","2","8","1") = "7"
    & skf18("8","4","2","8","2","9","1") = "8"
    & skf18("8","4","2","8","2","10","1") = "9"
    & skf18("8","4","2","8","3","1","1") = "7"
    & skf18("8","4","2","8","3","2","1") = "7"
    & skf18("8","4","2","8","3","3","1") = "7"
    & skf18("8","4","2","8","3","4","1") = "7"
    & skf18("8","4","2","8","3","5","1") = "7"
    & skf18("8","4","2","8","3","6","1") = "7"
    & skf18("8","4","2","8","3","7","1") = "7"
    & skf18("8","4","2","8","3","8","1") = "7"
    & skf18("8","4","2","8","3","9","1") = "8"
    & skf18("8","4","2","8","3","10","1") = "9"
    & skf18("8","4","2","8","4","1","1") = "7"
    & skf18("8","4","2","8","4","2","1") = "7"
    & skf18("8","4","2","8","4","3","1") = "7"
    & skf18("8","4","2","8","4","4","1") = "7"
    & skf18("8","4","2","8","4","5","1") = "7"
    & skf18("8","4","2","8","4","6","1") = "7"
    & skf18("8","4","2","8","4","7","1") = "7"
    & skf18("8","4","2","8","4","8","1") = "7"
    & skf18("8","4","2","8","4","9","1") = "8"
    & skf18("8","4","2","8","4","10","1") = "9"
    & skf18("8","4","2","8","5","1","1") = "7"
    & skf18("8","4","2","8","5","2","1") = "7"
    & skf18("8","4","2","8","5","3","1") = "7"
    & skf18("8","4","2","8","5","4","1") = "7"
    & skf18("8","4","2","8","5","5","1") = "7"
    & skf18("8","4","2","8","5","6","1") = "7"
    & skf18("8","4","2","8","5","7","1") = "7"
    & skf18("8","4","2","8","5","8","1") = "7"
    & skf18("8","4","2","8","5","9","1") = "8"
    & skf18("8","4","2","8","5","10","1") = "9"
    & skf18("8","4","2","8","6","1","1") = "7"
    & skf18("8","4","2","8","6","2","1") = "7"
    & skf18("8","4","2","8","6","3","1") = "7"
    & skf18("8","4","2","8","6","4","1") = "7"
    & skf18("8","4","2","8","6","5","1") = "7"
    & skf18("8","4","2","8","6","6","1") = "7"
    & skf18("8","4","2","8","6","7","1") = "7"
    & skf18("8","4","2","8","6","8","1") = "7"
    & skf18("8","4","2","8","6","9","1") = "8"
    & skf18("8","4","2","8","6","10","1") = "9"
    & skf18("8","4","2","8","7","1","1") = "7"
    & skf18("8","4","2","8","7","2","1") = "7"
    & skf18("8","4","2","8","7","3","1") = "7"
    & skf18("8","4","2","8","7","4","1") = "7"
    & skf18("8","4","2","8","7","5","1") = "7"
    & skf18("8","4","2","8","7","6","1") = "7"
    & skf18("8","4","2","8","7","7","1") = "7"
    & skf18("8","4","2","8","7","8","1") = "7"
    & skf18("8","4","2","8","7","9","1") = "8"
    & skf18("8","4","2","8","7","10","1") = "9"
    & skf18("8","4","2","8","8","1","1") = "7"
    & skf18("8","4","2","8","8","2","1") = "7"
    & skf18("8","4","2","8","8","3","1") = "7"
    & skf18("8","4","2","8","8","4","1") = "7"
    & skf18("8","4","2","8","8","5","1") = "7"
    & skf18("8","4","2","8","8","6","1") = "7"
    & skf18("8","4","2","8","8","7","1") = "7"
    & skf18("8","4","2","8","8","8","1") = "7"
    & skf18("8","4","2","8","8","9","1") = "8"
    & skf18("8","4","2","8","8","10","1") = "9"
    & skf18("8","4","2","8","9","1","1") = "8"
    & skf18("8","4","2","8","9","2","1") = "8"
    & skf18("8","4","2","8","9","3","1") = "8"
    & skf18("8","4","2","8","9","4","1") = "8"
    & skf18("8","4","2","8","9","5","1") = "8"
    & skf18("8","4","2","8","9","6","1") = "8"
    & skf18("8","4","2","8","9","7","1") = "8"
    & skf18("8","4","2","8","9","8","1") = "8"
    & skf18("8","4","2","8","9","9","1") = "8"
    & skf18("8","4","2","8","9","10","1") = "9"
    & skf18("8","4","2","8","10","1","1") = "9"
    & skf18("8","4","2","8","10","2","1") = "9"
    & skf18("8","4","2","8","10","3","1") = "9"
    & skf18("8","4","2","8","10","4","1") = "9"
    & skf18("8","4","2","8","10","5","1") = "9"
    & skf18("8","4","2","8","10","6","1") = "9"
    & skf18("8","4","2","8","10","7","1") = "9"
    & skf18("8","4","2","8","10","8","1") = "9"
    & skf18("8","4","2","8","10","9","1") = "9"
    & skf18("8","4","2","8","10","10","1") = "9"
    & skf18("8","4","2","9","1","1","1") = "8"
    & skf18("8","4","2","9","1","2","1") = "8"
    & skf18("8","4","2","9","1","3","1") = "8"
    & skf18("8","4","2","9","1","4","1") = "8"
    & skf18("8","4","2","9","1","5","1") = "8"
    & skf18("8","4","2","9","1","6","1") = "8"
    & skf18("8","4","2","9","1","7","1") = "8"
    & skf18("8","4","2","9","1","8","1") = "8"
    & skf18("8","4","2","9","1","9","1") = "8"
    & skf18("8","4","2","9","1","10","1") = "9"
    & skf18("8","4","2","9","2","1","1") = "8"
    & skf18("8","4","2","9","2","2","1") = "8"
    & skf18("8","4","2","9","2","3","1") = "8"
    & skf18("8","4","2","9","2","4","1") = "8"
    & skf18("8","4","2","9","2","5","1") = "8"
    & skf18("8","4","2","9","2","6","1") = "8"
    & skf18("8","4","2","9","2","7","1") = "8"
    & skf18("8","4","2","9","2","8","1") = "8"
    & skf18("8","4","2","9","2","9","1") = "8"
    & skf18("8","4","2","9","2","10","1") = "9"
    & skf18("8","4","2","9","3","1","1") = "8"
    & skf18("8","4","2","9","3","2","1") = "8"
    & skf18("8","4","2","9","3","3","1") = "8"
    & skf18("8","4","2","9","3","4","1") = "8"
    & skf18("8","4","2","9","3","5","1") = "8"
    & skf18("8","4","2","9","3","6","1") = "8"
    & skf18("8","4","2","9","3","7","1") = "8"
    & skf18("8","4","2","9","3","8","1") = "8"
    & skf18("8","4","2","9","3","9","1") = "8"
    & skf18("8","4","2","9","3","10","1") = "9"
    & skf18("8","4","2","9","4","1","1") = "8"
    & skf18("8","4","2","9","4","2","1") = "8"
    & skf18("8","4","2","9","4","3","1") = "8"
    & skf18("8","4","2","9","4","4","1") = "8"
    & skf18("8","4","2","9","4","5","1") = "8"
    & skf18("8","4","2","9","4","6","1") = "8"
    & skf18("8","4","2","9","4","7","1") = "8"
    & skf18("8","4","2","9","4","8","1") = "8"
    & skf18("8","4","2","9","4","9","1") = "8"
    & skf18("8","4","2","9","4","10","1") = "9"
    & skf18("8","4","2","9","5","1","1") = "8"
    & skf18("8","4","2","9","5","2","1") = "8"
    & skf18("8","4","2","9","5","3","1") = "8"
    & skf18("8","4","2","9","5","4","1") = "8"
    & skf18("8","4","2","9","5","5","1") = "8"
    & skf18("8","4","2","9","5","6","1") = "8"
    & skf18("8","4","2","9","5","7","1") = "8"
    & skf18("8","4","2","9","5","8","1") = "8"
    & skf18("8","4","2","9","5","9","1") = "8"
    & skf18("8","4","2","9","5","10","1") = "9"
    & skf18("8","4","2","9","6","1","1") = "8"
    & skf18("8","4","2","9","6","2","1") = "8"
    & skf18("8","4","2","9","6","3","1") = "8"
    & skf18("8","4","2","9","6","4","1") = "8"
    & skf18("8","4","2","9","6","5","1") = "8"
    & skf18("8","4","2","9","6","6","1") = "8"
    & skf18("8","4","2","9","6","7","1") = "8"
    & skf18("8","4","2","9","6","8","1") = "8"
    & skf18("8","4","2","9","6","9","1") = "8"
    & skf18("8","4","2","9","6","10","1") = "9"
    & skf18("8","4","2","9","7","1","1") = "8"
    & skf18("8","4","2","9","7","2","1") = "8"
    & skf18("8","4","2","9","7","3","1") = "8"
    & skf18("8","4","2","9","7","4","1") = "8"
    & skf18("8","4","2","9","7","5","1") = "8"
    & skf18("8","4","2","9","7","6","1") = "8"
    & skf18("8","4","2","9","7","7","1") = "8"
    & skf18("8","4","2","9","7","8","1") = "8"
    & skf18("8","4","2","9","7","9","1") = "8"
    & skf18("8","4","2","9","7","10","1") = "9"
    & skf18("8","4","2","9","8","1","1") = "8"
    & skf18("8","4","2","9","8","2","1") = "8"
    & skf18("8","4","2","9","8","3","1") = "8"
    & skf18("8","4","2","9","8","4","1") = "8"
    & skf18("8","4","2","9","8","5","1") = "8"
    & skf18("8","4","2","9","8","6","1") = "8"
    & skf18("8","4","2","9","8","7","1") = "8"
    & skf18("8","4","2","9","8","8","1") = "8"
    & skf18("8","4","2","9","8","9","1") = "8"
    & skf18("8","4","2","9","8","10","1") = "9"
    & skf18("8","4","2","9","9","1","1") = "8"
    & skf18("8","4","2","9","9","2","1") = "8"
    & skf18("8","4","2","9","9","3","1") = "8"
    & skf18("8","4","2","9","9","4","1") = "8"
    & skf18("8","4","2","9","9","5","1") = "8"
    & skf18("8","4","2","9","9","6","1") = "8"
    & skf18("8","4","2","9","9","7","1") = "8"
    & skf18("8","4","2","9","9","8","1") = "8"
    & skf18("8","4","2","9","9","9","1") = "8"
    & skf18("8","4","2","9","9","10","1") = "9"
    & skf18("8","4","2","9","10","1","1") = "9"
    & skf18("8","4","2","9","10","2","1") = "9"
    & skf18("8","4","2","9","10","3","1") = "9"
    & skf18("8","4","2","9","10","4","1") = "9"
    & skf18("8","4","2","9","10","5","1") = "9"
    & skf18("8","4","2","9","10","6","1") = "9"
    & skf18("8","4","2","9","10","7","1") = "9"
    & skf18("8","4","2","9","10","8","1") = "9"
    & skf18("8","4","2","9","10","9","1") = "9"
    & skf18("8","4","2","9","10","10","1") = "9"
    & skf18("8","4","2","10","1","1","1") = "9"
    & skf18("8","4","2","10","1","2","1") = "9"
    & skf18("8","4","2","10","1","3","1") = "9"
    & skf18("8","4","2","10","1","4","1") = "9"
    & skf18("8","4","2","10","1","5","1") = "9"
    & skf18("8","4","2","10","1","6","1") = "9"
    & skf18("8","4","2","10","1","7","1") = "9"
    & skf18("8","4","2","10","1","8","1") = "9"
    & skf18("8","4","2","10","1","9","1") = "9"
    & skf18("8","4","2","10","1","10","1") = "9"
    & skf18("8","4","2","10","2","1","1") = "9"
    & skf18("8","4","2","10","2","2","1") = "9"
    & skf18("8","4","2","10","2","3","1") = "9"
    & skf18("8","4","2","10","2","4","1") = "9"
    & skf18("8","4","2","10","2","5","1") = "9"
    & skf18("8","4","2","10","2","6","1") = "9"
    & skf18("8","4","2","10","2","7","1") = "9"
    & skf18("8","4","2","10","2","8","1") = "9"
    & skf18("8","4","2","10","2","9","1") = "9"
    & skf18("8","4","2","10","2","10","1") = "9"
    & skf18("8","4","2","10","3","1","1") = "9"
    & skf18("8","4","2","10","3","2","1") = "9"
    & skf18("8","4","2","10","3","3","1") = "9"
    & skf18("8","4","2","10","3","4","1") = "9"
    & skf18("8","4","2","10","3","5","1") = "9"
    & skf18("8","4","2","10","3","6","1") = "9"
    & skf18("8","4","2","10","3","7","1") = "9"
    & skf18("8","4","2","10","3","8","1") = "9"
    & skf18("8","4","2","10","3","9","1") = "9"
    & skf18("8","4","2","10","3","10","1") = "9"
    & skf18("8","4","2","10","4","1","1") = "9"
    & skf18("8","4","2","10","4","2","1") = "9"
    & skf18("8","4","2","10","4","3","1") = "9"
    & skf18("8","4","2","10","4","4","1") = "9"
    & skf18("8","4","2","10","4","5","1") = "9"
    & skf18("8","4","2","10","4","6","1") = "9"
    & skf18("8","4","2","10","4","7","1") = "9"
    & skf18("8","4","2","10","4","8","1") = "9"
    & skf18("8","4","2","10","4","9","1") = "9"
    & skf18("8","4","2","10","4","10","1") = "9"
    & skf18("8","4","2","10","5","1","1") = "9"
    & skf18("8","4","2","10","5","2","1") = "9"
    & skf18("8","4","2","10","5","3","1") = "9"
    & skf18("8","4","2","10","5","4","1") = "9"
    & skf18("8","4","2","10","5","5","1") = "9"
    & skf18("8","4","2","10","5","6","1") = "9"
    & skf18("8","4","2","10","5","7","1") = "9"
    & skf18("8","4","2","10","5","8","1") = "9"
    & skf18("8","4","2","10","5","9","1") = "9"
    & skf18("8","4","2","10","5","10","1") = "9"
    & skf18("8","4","2","10","6","1","1") = "9"
    & skf18("8","4","2","10","6","2","1") = "9"
    & skf18("8","4","2","10","6","3","1") = "9"
    & skf18("8","4","2","10","6","4","1") = "9"
    & skf18("8","4","2","10","6","5","1") = "9"
    & skf18("8","4","2","10","6","6","1") = "9"
    & skf18("8","4","2","10","6","7","1") = "9"
    & skf18("8","4","2","10","6","8","1") = "9"
    & skf18("8","4","2","10","6","9","1") = "9"
    & skf18("8","4","2","10","6","10","1") = "9"
    & skf18("8","4","2","10","7","1","1") = "9"
    & skf18("8","4","2","10","7","2","1") = "9"
    & skf18("8","4","2","10","7","3","1") = "9"
    & skf18("8","4","2","10","7","4","1") = "9"
    & skf18("8","4","2","10","7","5","1") = "9"
    & skf18("8","4","2","10","7","6","1") = "9"
    & skf18("8","4","2","10","7","7","1") = "9"
    & skf18("8","4","2","10","7","8","1") = "9"
    & skf18("8","4","2","10","7","9","1") = "9"
    & skf18("8","4","2","10","7","10","1") = "9"
    & skf18("8","4","2","10","8","1","1") = "9"
    & skf18("8","4","2","10","8","2","1") = "9"
    & skf18("8","4","2","10","8","3","1") = "9"
    & skf18("8","4","2","10","8","4","1") = "9"
    & skf18("8","4","2","10","8","5","1") = "9"
    & skf18("8","4","2","10","8","6","1") = "9"
    & skf18("8","4","2","10","8","7","1") = "9"
    & skf18("8","4","2","10","8","8","1") = "9"
    & skf18("8","4","2","10","8","9","1") = "9"
    & skf18("8","4","2","10","8","10","1") = "9"
    & skf18("8","4","2","10","9","1","1") = "9"
    & skf18("8","4","2","10","9","2","1") = "9"
    & skf18("8","4","2","10","9","3","1") = "9"
    & skf18("8","4","2","10","9","4","1") = "9"
    & skf18("8","4","2","10","9","5","1") = "9"
    & skf18("8","4","2","10","9","6","1") = "9"
    & skf18("8","4","2","10","9","7","1") = "9"
    & skf18("8","4","2","10","9","8","1") = "9"
    & skf18("8","4","2","10","9","9","1") = "9"
    & skf18("8","4","2","10","9","10","1") = "9"
    & skf18("8","4","2","10","10","1","1") = "9"
    & skf18("8","4","2","10","10","2","1") = "9"
    & skf18("8","4","2","10","10","3","1") = "9"
    & skf18("8","4","2","10","10","4","1") = "9"
    & skf18("8","4","2","10","10","5","1") = "9"
    & skf18("8","4","2","10","10","6","1") = "9"
    & skf18("8","4","2","10","10","7","1") = "9"
    & skf18("8","4","2","10","10","8","1") = "9"
    & skf18("8","4","2","10","10","9","1") = "9"
    & skf18("8","4","2","10","10","10","1") = "9"
    & skf18("8","4","3","1","1","1","1") = "7"
    & skf18("8","4","3","1","1","2","1") = "7"
    & skf18("8","4","3","1","1","3","1") = "7"
    & skf18("8","4","3","1","1","4","1") = "7"
    & skf18("8","4","3","1","1","5","1") = "7"
    & skf18("8","4","3","1","1","6","1") = "7"
    & skf18("8","4","3","1","1","7","1") = "7"
    & skf18("8","4","3","1","1","8","1") = "7"
    & skf18("8","4","3","1","1","9","1") = "8"
    & skf18("8","4","3","1","1","10","1") = "9"
    & skf18("8","4","3","1","2","1","1") = "7"
    & skf18("8","4","3","1","2","2","1") = "7"
    & skf18("8","4","3","1","2","3","1") = "7"
    & skf18("8","4","3","1","2","4","1") = "7"
    & skf18("8","4","3","1","2","5","1") = "7"
    & skf18("8","4","3","1","2","6","1") = "7"
    & skf18("8","4","3","1","2","7","1") = "7"
    & skf18("8","4","3","1","2","8","1") = "7"
    & skf18("8","4","3","1","2","9","1") = "8"
    & skf18("8","4","3","1","2","10","1") = "9"
    & skf18("8","4","3","1","3","1","1") = "7"
    & skf18("8","4","3","1","3","2","1") = "7"
    & skf18("8","4","3","1","3","3","1") = "7"
    & skf18("8","4","3","1","3","4","1") = "7"
    & skf18("8","4","3","1","3","5","1") = "7"
    & skf18("8","4","3","1","3","6","1") = "7"
    & skf18("8","4","3","1","3","7","1") = "7"
    & skf18("8","4","3","1","3","8","1") = "7"
    & skf18("8","4","3","1","3","9","1") = "8"
    & skf18("8","4","3","1","3","10","1") = "9"
    & skf18("8","4","3","1","4","1","1") = "7"
    & skf18("8","4","3","1","4","2","1") = "7"
    & skf18("8","4","3","1","4","3","1") = "7"
    & skf18("8","4","3","1","4","4","1") = "7"
    & skf18("8","4","3","1","4","5","1") = "7"
    & skf18("8","4","3","1","4","6","1") = "7"
    & skf18("8","4","3","1","4","7","1") = "7"
    & skf18("8","4","3","1","4","8","1") = "7"
    & skf18("8","4","3","1","4","9","1") = "8"
    & skf18("8","4","3","1","4","10","1") = "9"
    & skf18("8","4","3","1","5","1","1") = "7"
    & skf18("8","4","3","1","5","2","1") = "7"
    & skf18("8","4","3","1","5","3","1") = "7"
    & skf18("8","4","3","1","5","4","1") = "7"
    & skf18("8","4","3","1","5","5","1") = "7"
    & skf18("8","4","3","1","5","6","1") = "7"
    & skf18("8","4","3","1","5","7","1") = "7"
    & skf18("8","4","3","1","5","8","1") = "7"
    & skf18("8","4","3","1","5","9","1") = "8"
    & skf18("8","4","3","1","5","10","1") = "9"
    & skf18("8","4","3","1","6","1","1") = "7"
    & skf18("8","4","3","1","6","2","1") = "7"
    & skf18("8","4","3","1","6","3","1") = "7"
    & skf18("8","4","3","1","6","4","1") = "7"
    & skf18("8","4","3","1","6","5","1") = "7"
    & skf18("8","4","3","1","6","6","1") = "7"
    & skf18("8","4","3","1","6","7","1") = "7"
    & skf18("8","4","3","1","6","8","1") = "7"
    & skf18("8","4","3","1","6","9","1") = "8"
    & skf18("8","4","3","1","6","10","1") = "9"
    & skf18("8","4","3","1","7","1","1") = "7"
    & skf18("8","4","3","1","7","2","1") = "7"
    & skf18("8","4","3","1","7","3","1") = "7"
    & skf18("8","4","3","1","7","4","1") = "7"
    & skf18("8","4","3","1","7","5","1") = "7"
    & skf18("8","4","3","1","7","6","1") = "7"
    & skf18("8","4","3","1","7","7","1") = "7"
    & skf18("8","4","3","1","7","8","1") = "7"
    & skf18("8","4","3","1","7","9","1") = "8"
    & skf18("8","4","3","1","7","10","1") = "9"
    & skf18("8","4","3","1","8","1","1") = "7"
    & skf18("8","4","3","1","8","2","1") = "7"
    & skf18("8","4","3","1","8","3","1") = "7"
    & skf18("8","4","3","1","8","4","1") = "7"
    & skf18("8","4","3","1","8","5","1") = "7"
    & skf18("8","4","3","1","8","6","1") = "7"
    & skf18("8","4","3","1","8","7","1") = "7"
    & skf18("8","4","3","1","8","8","1") = "7"
    & skf18("8","4","3","1","8","9","1") = "8"
    & skf18("8","4","3","1","8","10","1") = "9"
    & skf18("8","4","3","1","9","1","1") = "8"
    & skf18("8","4","3","1","9","2","1") = "8"
    & skf18("8","4","3","1","9","3","1") = "8"
    & skf18("8","4","3","1","9","4","1") = "8"
    & skf18("8","4","3","1","9","5","1") = "8"
    & skf18("8","4","3","1","9","6","1") = "8"
    & skf18("8","4","3","1","9","7","1") = "8"
    & skf18("8","4","3","1","9","8","1") = "8"
    & skf18("8","4","3","1","9","9","1") = "8"
    & skf18("8","4","3","1","9","10","1") = "9"
    & skf18("8","4","3","1","10","1","1") = "9"
    & skf18("8","4","3","1","10","2","1") = "9"
    & skf18("8","4","3","1","10","3","1") = "9"
    & skf18("8","4","3","1","10","4","1") = "9"
    & skf18("8","4","3","1","10","5","1") = "9"
    & skf18("8","4","3","1","10","6","1") = "9"
    & skf18("8","4","3","1","10","7","1") = "9"
    & skf18("8","4","3","1","10","8","1") = "9"
    & skf18("8","4","3","1","10","9","1") = "9"
    & skf18("8","4","3","1","10","10","1") = "9"
    & skf18("8","4","3","2","1","1","1") = "7"
    & skf18("8","4","3","2","1","2","1") = "7"
    & skf18("8","4","3","2","1","3","1") = "7"
    & skf18("8","4","3","2","1","4","1") = "7"
    & skf18("8","4","3","2","1","5","1") = "7"
    & skf18("8","4","3","2","1","6","1") = "7"
    & skf18("8","4","3","2","1","7","1") = "7"
    & skf18("8","4","3","2","1","8","1") = "7"
    & skf18("8","4","3","2","1","9","1") = "8"
    & skf18("8","4","3","2","1","10","1") = "9"
    & skf18("8","4","3","2","2","1","1") = "7"
    & skf18("8","4","3","2","2","2","1") = "7"
    & skf18("8","4","3","2","2","3","1") = "7"
    & skf18("8","4","3","2","2","4","1") = "7"
    & skf18("8","4","3","2","2","5","1") = "7"
    & skf18("8","4","3","2","2","6","1") = "7"
    & skf18("8","4","3","2","2","7","1") = "7"
    & skf18("8","4","3","2","2","8","1") = "7"
    & skf18("8","4","3","2","2","9","1") = "8"
    & skf18("8","4","3","2","2","10","1") = "9"
    & skf18("8","4","3","2","3","1","1") = "7"
    & skf18("8","4","3","2","3","2","1") = "7"
    & skf18("8","4","3","2","3","3","1") = "7"
    & skf18("8","4","3","2","3","4","1") = "7"
    & skf18("8","4","3","2","3","5","1") = "7"
    & skf18("8","4","3","2","3","6","1") = "7"
    & skf18("8","4","3","2","3","7","1") = "7"
    & skf18("8","4","3","2","3","8","1") = "7"
    & skf18("8","4","3","2","3","9","1") = "8"
    & skf18("8","4","3","2","3","10","1") = "9"
    & skf18("8","4","3","2","4","1","1") = "7"
    & skf18("8","4","3","2","4","2","1") = "7"
    & skf18("8","4","3","2","4","3","1") = "7"
    & skf18("8","4","3","2","4","4","1") = "7"
    & skf18("8","4","3","2","4","5","1") = "7"
    & skf18("8","4","3","2","4","6","1") = "7"
    & skf18("8","4","3","2","4","7","1") = "7"
    & skf18("8","4","3","2","4","8","1") = "7"
    & skf18("8","4","3","2","4","9","1") = "8"
    & skf18("8","4","3","2","4","10","1") = "9"
    & skf18("8","4","3","2","5","1","1") = "7"
    & skf18("8","4","3","2","5","2","1") = "7"
    & skf18("8","4","3","2","5","3","1") = "7"
    & skf18("8","4","3","2","5","4","1") = "7"
    & skf18("8","4","3","2","5","5","1") = "7"
    & skf18("8","4","3","2","5","6","1") = "7"
    & skf18("8","4","3","2","5","7","1") = "7"
    & skf18("8","4","3","2","5","8","1") = "7"
    & skf18("8","4","3","2","5","9","1") = "8"
    & skf18("8","4","3","2","5","10","1") = "9"
    & skf18("8","4","3","2","6","1","1") = "7"
    & skf18("8","4","3","2","6","2","1") = "7"
    & skf18("8","4","3","2","6","3","1") = "7"
    & skf18("8","4","3","2","6","4","1") = "7"
    & skf18("8","4","3","2","6","5","1") = "7"
    & skf18("8","4","3","2","6","6","1") = "7"
    & skf18("8","4","3","2","6","7","1") = "7"
    & skf18("8","4","3","2","6","8","1") = "7"
    & skf18("8","4","3","2","6","9","1") = "8"
    & skf18("8","4","3","2","6","10","1") = "9"
    & skf18("8","4","3","2","7","1","1") = "7"
    & skf18("8","4","3","2","7","2","1") = "7"
    & skf18("8","4","3","2","7","3","1") = "7"
    & skf18("8","4","3","2","7","4","1") = "7"
    & skf18("8","4","3","2","7","5","1") = "7"
    & skf18("8","4","3","2","7","6","1") = "7"
    & skf18("8","4","3","2","7","7","1") = "7"
    & skf18("8","4","3","2","7","8","1") = "7"
    & skf18("8","4","3","2","7","9","1") = "8"
    & skf18("8","4","3","2","7","10","1") = "9"
    & skf18("8","4","3","2","8","1","1") = "7"
    & skf18("8","4","3","2","8","2","1") = "7"
    & skf18("8","4","3","2","8","3","1") = "7"
    & skf18("8","4","3","2","8","4","1") = "7"
    & skf18("8","4","3","2","8","5","1") = "7"
    & skf18("8","4","3","2","8","6","1") = "7"
    & skf18("8","4","3","2","8","7","1") = "7"
    & skf18("8","4","3","2","8","8","1") = "7"
    & skf18("8","4","3","2","8","9","1") = "8"
    & skf18("8","4","3","2","8","10","1") = "9"
    & skf18("8","4","3","2","9","1","1") = "8"
    & skf18("8","4","3","2","9","2","1") = "8"
    & skf18("8","4","3","2","9","3","1") = "8"
    & skf18("8","4","3","2","9","4","1") = "8"
    & skf18("8","4","3","2","9","5","1") = "8"
    & skf18("8","4","3","2","9","6","1") = "8"
    & skf18("8","4","3","2","9","7","1") = "8"
    & skf18("8","4","3","2","9","8","1") = "8"
    & skf18("8","4","3","2","9","9","1") = "8"
    & skf18("8","4","3","2","9","10","1") = "9"
    & skf18("8","4","3","2","10","1","1") = "9"
    & skf18("8","4","3","2","10","2","1") = "9"
    & skf18("8","4","3","2","10","3","1") = "9"
    & skf18("8","4","3","2","10","4","1") = "9"
    & skf18("8","4","3","2","10","5","1") = "9"
    & skf18("8","4","3","2","10","6","1") = "9"
    & skf18("8","4","3","2","10","7","1") = "9"
    & skf18("8","4","3","2","10","8","1") = "9"
    & skf18("8","4","3","2","10","9","1") = "9"
    & skf18("8","4","3","2","10","10","1") = "9"
    & skf18("8","4","3","3","1","1","1") = "7"
    & skf18("8","4","3","3","1","2","1") = "7"
    & skf18("8","4","3","3","1","3","1") = "7"
    & skf18("8","4","3","3","1","4","1") = "7"
    & skf18("8","4","3","3","1","5","1") = "7"
    & skf18("8","4","3","3","1","6","1") = "7"
    & skf18("8","4","3","3","1","7","1") = "7"
    & skf18("8","4","3","3","1","8","1") = "7"
    & skf18("8","4","3","3","1","9","1") = "8"
    & skf18("8","4","3","3","1","10","1") = "9"
    & skf18("8","4","3","3","2","1","1") = "7"
    & skf18("8","4","3","3","2","2","1") = "7"
    & skf18("8","4","3","3","2","3","1") = "7"
    & skf18("8","4","3","3","2","4","1") = "7"
    & skf18("8","4","3","3","2","5","1") = "7"
    & skf18("8","4","3","3","2","6","1") = "7"
    & skf18("8","4","3","3","2","7","1") = "7"
    & skf18("8","4","3","3","2","8","1") = "7"
    & skf18("8","4","3","3","2","9","1") = "8"
    & skf18("8","4","3","3","2","10","1") = "9"
    & skf18("8","4","3","3","3","1","1") = "7"
    & skf18("8","4","3","3","3","2","1") = "7"
    & skf18("8","4","3","3","3","3","1") = "7"
    & skf18("8","4","3","3","3","4","1") = "7"
    & skf18("8","4","3","3","3","5","1") = "7"
    & skf18("8","4","3","3","3","6","1") = "7"
    & skf18("8","4","3","3","3","7","1") = "7"
    & skf18("8","4","3","3","3","8","1") = "7"
    & skf18("8","4","3","3","3","9","1") = "8"
    & skf18("8","4","3","3","3","10","1") = "9"
    & skf18("8","4","3","3","4","1","1") = "7"
    & skf18("8","4","3","3","4","2","1") = "7"
    & skf18("8","4","3","3","4","3","1") = "7"
    & skf18("8","4","3","3","4","4","1") = "7"
    & skf18("8","4","3","3","4","5","1") = "7"
    & skf18("8","4","3","3","4","6","1") = "7"
    & skf18("8","4","3","3","4","7","1") = "7"
    & skf18("8","4","3","3","4","8","1") = "7"
    & skf18("8","4","3","3","4","9","1") = "8"
    & skf18("8","4","3","3","4","10","1") = "9"
    & skf18("8","4","3","3","5","1","1") = "7"
    & skf18("8","4","3","3","5","2","1") = "7"
    & skf18("8","4","3","3","5","3","1") = "7"
    & skf18("8","4","3","3","5","4","1") = "7"
    & skf18("8","4","3","3","5","5","1") = "7"
    & skf18("8","4","3","3","5","6","1") = "7"
    & skf18("8","4","3","3","5","7","1") = "7"
    & skf18("8","4","3","3","5","8","1") = "7"
    & skf18("8","4","3","3","5","9","1") = "8"
    & skf18("8","4","3","3","5","10","1") = "9"
    & skf18("8","4","3","3","6","1","1") = "7"
    & skf18("8","4","3","3","6","2","1") = "7"
    & skf18("8","4","3","3","6","3","1") = "7"
    & skf18("8","4","3","3","6","4","1") = "7"
    & skf18("8","4","3","3","6","5","1") = "7"
    & skf18("8","4","3","3","6","6","1") = "7"
    & skf18("8","4","3","3","6","7","1") = "7"
    & skf18("8","4","3","3","6","8","1") = "7"
    & skf18("8","4","3","3","6","9","1") = "8"
    & skf18("8","4","3","3","6","10","1") = "9"
    & skf18("8","4","3","3","7","1","1") = "7"
    & skf18("8","4","3","3","7","2","1") = "7"
    & skf18("8","4","3","3","7","3","1") = "7"
    & skf18("8","4","3","3","7","4","1") = "7"
    & skf18("8","4","3","3","7","5","1") = "7"
    & skf18("8","4","3","3","7","6","1") = "7"
    & skf18("8","4","3","3","7","7","1") = "7"
    & skf18("8","4","3","3","7","8","1") = "7"
    & skf18("8","4","3","3","7","9","1") = "8"
    & skf18("8","4","3","3","7","10","1") = "9"
    & skf18("8","4","3","3","8","1","1") = "7"
    & skf18("8","4","3","3","8","2","1") = "7"
    & skf18("8","4","3","3","8","3","1") = "7"
    & skf18("8","4","3","3","8","4","1") = "7"
    & skf18("8","4","3","3","8","5","1") = "7"
    & skf18("8","4","3","3","8","6","1") = "7"
    & skf18("8","4","3","3","8","7","1") = "7"
    & skf18("8","4","3","3","8","8","1") = "7"
    & skf18("8","4","3","3","8","9","1") = "8"
    & skf18("8","4","3","3","8","10","1") = "9"
    & skf18("8","4","3","3","9","1","1") = "8"
    & skf18("8","4","3","3","9","2","1") = "8"
    & skf18("8","4","3","3","9","3","1") = "8"
    & skf18("8","4","3","3","9","4","1") = "8"
    & skf18("8","4","3","3","9","5","1") = "8"
    & skf18("8","4","3","3","9","6","1") = "8"
    & skf18("8","4","3","3","9","7","1") = "8"
    & skf18("8","4","3","3","9","8","1") = "8"
    & skf18("8","4","3","3","9","9","1") = "8"
    & skf18("8","4","3","3","9","10","1") = "9"
    & skf18("8","4","3","3","10","1","1") = "9"
    & skf18("8","4","3","3","10","2","1") = "9"
    & skf18("8","4","3","3","10","3","1") = "9"
    & skf18("8","4","3","3","10","4","1") = "9"
    & skf18("8","4","3","3","10","5","1") = "9"
    & skf18("8","4","3","3","10","6","1") = "9"
    & skf18("8","4","3","3","10","7","1") = "9"
    & skf18("8","4","3","3","10","8","1") = "9"
    & skf18("8","4","3","3","10","9","1") = "9"
    & skf18("8","4","3","3","10","10","1") = "9"
    & skf18("8","4","3","4","1","1","1") = "7"
    & skf18("8","4","3","4","1","2","1") = "7"
    & skf18("8","4","3","4","1","3","1") = "7"
    & skf18("8","4","3","4","1","4","1") = "7"
    & skf18("8","4","3","4","1","5","1") = "7"
    & skf18("8","4","3","4","1","6","1") = "7"
    & skf18("8","4","3","4","1","7","1") = "7"
    & skf18("8","4","3","4","1","8","1") = "7"
    & skf18("8","4","3","4","1","9","1") = "8"
    & skf18("8","4","3","4","1","10","1") = "9"
    & skf18("8","4","3","4","2","1","1") = "7"
    & skf18("8","4","3","4","2","2","1") = "7"
    & skf18("8","4","3","4","2","3","1") = "7"
    & skf18("8","4","3","4","2","4","1") = "7"
    & skf18("8","4","3","4","2","5","1") = "7"
    & skf18("8","4","3","4","2","6","1") = "7"
    & skf18("8","4","3","4","2","7","1") = "7"
    & skf18("8","4","3","4","2","8","1") = "7"
    & skf18("8","4","3","4","2","9","1") = "8"
    & skf18("8","4","3","4","2","10","1") = "9"
    & skf18("8","4","3","4","3","1","1") = "7"
    & skf18("8","4","3","4","3","2","1") = "7"
    & skf18("8","4","3","4","3","3","1") = "7"
    & skf18("8","4","3","4","3","4","1") = "7"
    & skf18("8","4","3","4","3","5","1") = "7"
    & skf18("8","4","3","4","3","6","1") = "7"
    & skf18("8","4","3","4","3","7","1") = "7"
    & skf18("8","4","3","4","3","8","1") = "7"
    & skf18("8","4","3","4","3","9","1") = "8"
    & skf18("8","4","3","4","3","10","1") = "9"
    & skf18("8","4","3","4","4","1","1") = "7"
    & skf18("8","4","3","4","4","2","1") = "7"
    & skf18("8","4","3","4","4","3","1") = "7"
    & skf18("8","4","3","4","4","4","1") = "7"
    & skf18("8","4","3","4","4","5","1") = "7"
    & skf18("8","4","3","4","4","6","1") = "7"
    & skf18("8","4","3","4","4","7","1") = "7"
    & skf18("8","4","3","4","4","8","1") = "7"
    & skf18("8","4","3","4","4","9","1") = "8"
    & skf18("8","4","3","4","4","10","1") = "9"
    & skf18("8","4","3","4","5","1","1") = "7"
    & skf18("8","4","3","4","5","2","1") = "7"
    & skf18("8","4","3","4","5","3","1") = "7"
    & skf18("8","4","3","4","5","4","1") = "7"
    & skf18("8","4","3","4","5","5","1") = "7"
    & skf18("8","4","3","4","5","6","1") = "7"
    & skf18("8","4","3","4","5","7","1") = "7"
    & skf18("8","4","3","4","5","8","1") = "7"
    & skf18("8","4","3","4","5","9","1") = "8"
    & skf18("8","4","3","4","5","10","1") = "9"
    & skf18("8","4","3","4","6","1","1") = "7"
    & skf18("8","4","3","4","6","2","1") = "7"
    & skf18("8","4","3","4","6","3","1") = "7"
    & skf18("8","4","3","4","6","4","1") = "7"
    & skf18("8","4","3","4","6","5","1") = "7"
    & skf18("8","4","3","4","6","6","1") = "7"
    & skf18("8","4","3","4","6","7","1") = "7"
    & skf18("8","4","3","4","6","8","1") = "7"
    & skf18("8","4","3","4","6","9","1") = "8"
    & skf18("8","4","3","4","6","10","1") = "9"
    & skf18("8","4","3","4","7","1","1") = "7"
    & skf18("8","4","3","4","7","2","1") = "7"
    & skf18("8","4","3","4","7","3","1") = "7"
    & skf18("8","4","3","4","7","4","1") = "7"
    & skf18("8","4","3","4","7","5","1") = "7"
    & skf18("8","4","3","4","7","6","1") = "7"
    & skf18("8","4","3","4","7","7","1") = "7"
    & skf18("8","4","3","4","7","8","1") = "7"
    & skf18("8","4","3","4","7","9","1") = "8"
    & skf18("8","4","3","4","7","10","1") = "9"
    & skf18("8","4","3","4","8","1","1") = "7"
    & skf18("8","4","3","4","8","2","1") = "7"
    & skf18("8","4","3","4","8","3","1") = "7"
    & skf18("8","4","3","4","8","4","1") = "7"
    & skf18("8","4","3","4","8","5","1") = "7"
    & skf18("8","4","3","4","8","6","1") = "7"
    & skf18("8","4","3","4","8","7","1") = "7"
    & skf18("8","4","3","4","8","8","1") = "7"
    & skf18("8","4","3","4","8","9","1") = "8"
    & skf18("8","4","3","4","8","10","1") = "9"
    & skf18("8","4","3","4","9","1","1") = "8"
    & skf18("8","4","3","4","9","2","1") = "8"
    & skf18("8","4","3","4","9","3","1") = "8"
    & skf18("8","4","3","4","9","4","1") = "8"
    & skf18("8","4","3","4","9","5","1") = "8"
    & skf18("8","4","3","4","9","6","1") = "8"
    & skf18("8","4","3","4","9","7","1") = "8"
    & skf18("8","4","3","4","9","8","1") = "8"
    & skf18("8","4","3","4","9","9","1") = "8"
    & skf18("8","4","3","4","9","10","1") = "9"
    & skf18("8","4","3","4","10","1","1") = "9"
    & skf18("8","4","3","4","10","2","1") = "9"
    & skf18("8","4","3","4","10","3","1") = "9"
    & skf18("8","4","3","4","10","4","1") = "9"
    & skf18("8","4","3","4","10","5","1") = "9"
    & skf18("8","4","3","4","10","6","1") = "9"
    & skf18("8","4","3","4","10","7","1") = "9"
    & skf18("8","4","3","4","10","8","1") = "9"
    & skf18("8","4","3","4","10","9","1") = "9"
    & skf18("8","4","3","4","10","10","1") = "9"
    & skf18("8","4","3","5","1","1","1") = "7"
    & skf18("8","4","3","5","1","2","1") = "7"
    & skf18("8","4","3","5","1","3","1") = "7"
    & skf18("8","4","3","5","1","4","1") = "7"
    & skf18("8","4","3","5","1","5","1") = "7"
    & skf18("8","4","3","5","1","6","1") = "7"
    & skf18("8","4","3","5","1","7","1") = "7"
    & skf18("8","4","3","5","1","8","1") = "7"
    & skf18("8","4","3","5","1","9","1") = "8"
    & skf18("8","4","3","5","1","10","1") = "9"
    & skf18("8","4","3","5","2","1","1") = "7"
    & skf18("8","4","3","5","2","2","1") = "7"
    & skf18("8","4","3","5","2","3","1") = "7"
    & skf18("8","4","3","5","2","4","1") = "7"
    & skf18("8","4","3","5","2","5","1") = "7"
    & skf18("8","4","3","5","2","6","1") = "7"
    & skf18("8","4","3","5","2","7","1") = "7"
    & skf18("8","4","3","5","2","8","1") = "7"
    & skf18("8","4","3","5","2","9","1") = "8"
    & skf18("8","4","3","5","2","10","1") = "9"
    & skf18("8","4","3","5","3","1","1") = "7"
    & skf18("8","4","3","5","3","2","1") = "7"
    & skf18("8","4","3","5","3","3","1") = "7"
    & skf18("8","4","3","5","3","4","1") = "7"
    & skf18("8","4","3","5","3","5","1") = "7"
    & skf18("8","4","3","5","3","6","1") = "7"
    & skf18("8","4","3","5","3","7","1") = "7"
    & skf18("8","4","3","5","3","8","1") = "7"
    & skf18("8","4","3","5","3","9","1") = "8"
    & skf18("8","4","3","5","3","10","1") = "9"
    & skf18("8","4","3","5","4","1","1") = "7"
    & skf18("8","4","3","5","4","2","1") = "7"
    & skf18("8","4","3","5","4","3","1") = "7"
    & skf18("8","4","3","5","4","4","1") = "7"
    & skf18("8","4","3","5","4","5","1") = "7"
    & skf18("8","4","3","5","4","6","1") = "7"
    & skf18("8","4","3","5","4","7","1") = "7"
    & skf18("8","4","3","5","4","8","1") = "7"
    & skf18("8","4","3","5","4","9","1") = "8"
    & skf18("8","4","3","5","4","10","1") = "9"
    & skf18("8","4","3","5","5","1","1") = "7"
    & skf18("8","4","3","5","5","2","1") = "7"
    & skf18("8","4","3","5","5","3","1") = "7"
    & skf18("8","4","3","5","5","4","1") = "7"
    & skf18("8","4","3","5","5","5","1") = "7"
    & skf18("8","4","3","5","5","6","1") = "7"
    & skf18("8","4","3","5","5","7","1") = "7"
    & skf18("8","4","3","5","5","8","1") = "7"
    & skf18("8","4","3","5","5","9","1") = "8"
    & skf18("8","4","3","5","5","10","1") = "9"
    & skf18("8","4","3","5","6","1","1") = "7"
    & skf18("8","4","3","5","6","2","1") = "7"
    & skf18("8","4","3","5","6","3","1") = "7"
    & skf18("8","4","3","5","6","4","1") = "7"
    & skf18("8","4","3","5","6","5","1") = "7"
    & skf18("8","4","3","5","6","6","1") = "7"
    & skf18("8","4","3","5","6","7","1") = "7"
    & skf18("8","4","3","5","6","8","1") = "7"
    & skf18("8","4","3","5","6","9","1") = "8"
    & skf18("8","4","3","5","6","10","1") = "9"
    & skf18("8","4","3","5","7","1","1") = "7"
    & skf18("8","4","3","5","7","2","1") = "7"
    & skf18("8","4","3","5","7","3","1") = "7"
    & skf18("8","4","3","5","7","4","1") = "7"
    & skf18("8","4","3","5","7","5","1") = "7"
    & skf18("8","4","3","5","7","6","1") = "7"
    & skf18("8","4","3","5","7","7","1") = "7"
    & skf18("8","4","3","5","7","8","1") = "7"
    & skf18("8","4","3","5","7","9","1") = "8"
    & skf18("8","4","3","5","7","10","1") = "9"
    & skf18("8","4","3","5","8","1","1") = "7"
    & skf18("8","4","3","5","8","2","1") = "7"
    & skf18("8","4","3","5","8","3","1") = "7"
    & skf18("8","4","3","5","8","4","1") = "7"
    & skf18("8","4","3","5","8","5","1") = "7"
    & skf18("8","4","3","5","8","6","1") = "7"
    & skf18("8","4","3","5","8","7","1") = "7"
    & skf18("8","4","3","5","8","8","1") = "7"
    & skf18("8","4","3","5","8","9","1") = "8"
    & skf18("8","4","3","5","8","10","1") = "9"
    & skf18("8","4","3","5","9","1","1") = "8"
    & skf18("8","4","3","5","9","2","1") = "8"
    & skf18("8","4","3","5","9","3","1") = "8"
    & skf18("8","4","3","5","9","4","1") = "8"
    & skf18("8","4","3","5","9","5","1") = "8"
    & skf18("8","4","3","5","9","6","1") = "8"
    & skf18("8","4","3","5","9","7","1") = "8"
    & skf18("8","4","3","5","9","8","1") = "8"
    & skf18("8","4","3","5","9","9","1") = "8"
    & skf18("8","4","3","5","9","10","1") = "9"
    & skf18("8","4","3","5","10","1","1") = "9"
    & skf18("8","4","3","5","10","2","1") = "9"
    & skf18("8","4","3","5","10","3","1") = "9"
    & skf18("8","4","3","5","10","4","1") = "9"
    & skf18("8","4","3","5","10","5","1") = "9"
    & skf18("8","4","3","5","10","6","1") = "9"
    & skf18("8","4","3","5","10","7","1") = "9"
    & skf18("8","4","3","5","10","8","1") = "9"
    & skf18("8","4","3","5","10","9","1") = "9"
    & skf18("8","4","3","5","10","10","1") = "9"
    & skf18("8","4","3","6","1","1","1") = "7"
    & skf18("8","4","3","6","1","2","1") = "7"
    & skf18("8","4","3","6","1","3","1") = "7"
    & skf18("8","4","3","6","1","4","1") = "7"
    & skf18("8","4","3","6","1","5","1") = "7"
    & skf18("8","4","3","6","1","6","1") = "7"
    & skf18("8","4","3","6","1","7","1") = "7"
    & skf18("8","4","3","6","1","8","1") = "7"
    & skf18("8","4","3","6","1","9","1") = "8"
    & skf18("8","4","3","6","1","10","1") = "9"
    & skf18("8","4","3","6","2","1","1") = "7"
    & skf18("8","4","3","6","2","2","1") = "7"
    & skf18("8","4","3","6","2","3","1") = "7"
    & skf18("8","4","3","6","2","4","1") = "7"
    & skf18("8","4","3","6","2","5","1") = "7"
    & skf18("8","4","3","6","2","6","1") = "7"
    & skf18("8","4","3","6","2","7","1") = "7"
    & skf18("8","4","3","6","2","8","1") = "7"
    & skf18("8","4","3","6","2","9","1") = "8"
    & skf18("8","4","3","6","2","10","1") = "9"
    & skf18("8","4","3","6","3","1","1") = "7"
    & skf18("8","4","3","6","3","2","1") = "7"
    & skf18("8","4","3","6","3","3","1") = "7"
    & skf18("8","4","3","6","3","4","1") = "7"
    & skf18("8","4","3","6","3","5","1") = "7"
    & skf18("8","4","3","6","3","6","1") = "7"
    & skf18("8","4","3","6","3","7","1") = "7"
    & skf18("8","4","3","6","3","8","1") = "7"
    & skf18("8","4","3","6","3","9","1") = "8"
    & skf18("8","4","3","6","3","10","1") = "9"
    & skf18("8","4","3","6","4","1","1") = "7"
    & skf18("8","4","3","6","4","2","1") = "7"
    & skf18("8","4","3","6","4","3","1") = "7"
    & skf18("8","4","3","6","4","4","1") = "7"
    & skf18("8","4","3","6","4","5","1") = "7"
    & skf18("8","4","3","6","4","6","1") = "7"
    & skf18("8","4","3","6","4","7","1") = "7"
    & skf18("8","4","3","6","4","8","1") = "7"
    & skf18("8","4","3","6","4","9","1") = "8"
    & skf18("8","4","3","6","4","10","1") = "9"
    & skf18("8","4","3","6","5","1","1") = "7"
    & skf18("8","4","3","6","5","2","1") = "7"
    & skf18("8","4","3","6","5","3","1") = "7"
    & skf18("8","4","3","6","5","4","1") = "7"
    & skf18("8","4","3","6","5","5","1") = "7"
    & skf18("8","4","3","6","5","6","1") = "7"
    & skf18("8","4","3","6","5","7","1") = "7"
    & skf18("8","4","3","6","5","8","1") = "7"
    & skf18("8","4","3","6","5","9","1") = "8"
    & skf18("8","4","3","6","5","10","1") = "9"
    & skf18("8","4","3","6","6","1","1") = "7"
    & skf18("8","4","3","6","6","2","1") = "7"
    & skf18("8","4","3","6","6","3","1") = "7"
    & skf18("8","4","3","6","6","4","1") = "7"
    & skf18("8","4","3","6","6","5","1") = "7"
    & skf18("8","4","3","6","6","6","1") = "7"
    & skf18("8","4","3","6","6","7","1") = "7"
    & skf18("8","4","3","6","6","8","1") = "7"
    & skf18("8","4","3","6","6","9","1") = "8"
    & skf18("8","4","3","6","6","10","1") = "9"
    & skf18("8","4","3","6","7","1","1") = "7"
    & skf18("8","4","3","6","7","2","1") = "7"
    & skf18("8","4","3","6","7","3","1") = "7"
    & skf18("8","4","3","6","7","4","1") = "7"
    & skf18("8","4","3","6","7","5","1") = "7"
    & skf18("8","4","3","6","7","6","1") = "7"
    & skf18("8","4","3","6","7","7","1") = "7"
    & skf18("8","4","3","6","7","8","1") = "7"
    & skf18("8","4","3","6","7","9","1") = "8"
    & skf18("8","4","3","6","7","10","1") = "9"
    & skf18("8","4","3","6","8","1","1") = "7"
    & skf18("8","4","3","6","8","2","1") = "7"
    & skf18("8","4","3","6","8","3","1") = "7"
    & skf18("8","4","3","6","8","4","1") = "7"
    & skf18("8","4","3","6","8","5","1") = "7"
    & skf18("8","4","3","6","8","6","1") = "7"
    & skf18("8","4","3","6","8","7","1") = "7"
    & skf18("8","4","3","6","8","8","1") = "7"
    & skf18("8","4","3","6","8","9","1") = "8"
    & skf18("8","4","3","6","8","10","1") = "9"
    & skf18("8","4","3","6","9","1","1") = "8"
    & skf18("8","4","3","6","9","2","1") = "8"
    & skf18("8","4","3","6","9","3","1") = "8"
    & skf18("8","4","3","6","9","4","1") = "8"
    & skf18("8","4","3","6","9","5","1") = "8"
    & skf18("8","4","3","6","9","6","1") = "8"
    & skf18("8","4","3","6","9","7","1") = "8"
    & skf18("8","4","3","6","9","8","1") = "8"
    & skf18("8","4","3","6","9","9","1") = "8"
    & skf18("8","4","3","6","9","10","1") = "9"
    & skf18("8","4","3","6","10","1","1") = "9"
    & skf18("8","4","3","6","10","2","1") = "9"
    & skf18("8","4","3","6","10","3","1") = "9"
    & skf18("8","4","3","6","10","4","1") = "9"
    & skf18("8","4","3","6","10","5","1") = "9"
    & skf18("8","4","3","6","10","6","1") = "9"
    & skf18("8","4","3","6","10","7","1") = "9"
    & skf18("8","4","3","6","10","8","1") = "9"
    & skf18("8","4","3","6","10","9","1") = "9"
    & skf18("8","4","3","6","10","10","1") = "9"
    & skf18("8","4","3","7","1","1","1") = "7"
    & skf18("8","4","3","7","1","2","1") = "7"
    & skf18("8","4","3","7","1","3","1") = "7"
    & skf18("8","4","3","7","1","4","1") = "7"
    & skf18("8","4","3","7","1","5","1") = "7"
    & skf18("8","4","3","7","1","6","1") = "7"
    & skf18("8","4","3","7","1","7","1") = "7"
    & skf18("8","4","3","7","1","8","1") = "7"
    & skf18("8","4","3","7","1","9","1") = "8"
    & skf18("8","4","3","7","1","10","1") = "9"
    & skf18("8","4","3","7","2","1","1") = "7"
    & skf18("8","4","3","7","2","2","1") = "7"
    & skf18("8","4","3","7","2","3","1") = "7"
    & skf18("8","4","3","7","2","4","1") = "7"
    & skf18("8","4","3","7","2","5","1") = "7"
    & skf18("8","4","3","7","2","6","1") = "7"
    & skf18("8","4","3","7","2","7","1") = "7"
    & skf18("8","4","3","7","2","8","1") = "7"
    & skf18("8","4","3","7","2","9","1") = "8"
    & skf18("8","4","3","7","2","10","1") = "9"
    & skf18("8","4","3","7","3","1","1") = "7"
    & skf18("8","4","3","7","3","2","1") = "7"
    & skf18("8","4","3","7","3","3","1") = "7"
    & skf18("8","4","3","7","3","4","1") = "7"
    & skf18("8","4","3","7","3","5","1") = "7"
    & skf18("8","4","3","7","3","6","1") = "7"
    & skf18("8","4","3","7","3","7","1") = "7"
    & skf18("8","4","3","7","3","8","1") = "7"
    & skf18("8","4","3","7","3","9","1") = "8"
    & skf18("8","4","3","7","3","10","1") = "9"
    & skf18("8","4","3","7","4","1","1") = "7"
    & skf18("8","4","3","7","4","2","1") = "7"
    & skf18("8","4","3","7","4","3","1") = "7"
    & skf18("8","4","3","7","4","4","1") = "7"
    & skf18("8","4","3","7","4","5","1") = "7"
    & skf18("8","4","3","7","4","6","1") = "7"
    & skf18("8","4","3","7","4","7","1") = "7"
    & skf18("8","4","3","7","4","8","1") = "7"
    & skf18("8","4","3","7","4","9","1") = "8"
    & skf18("8","4","3","7","4","10","1") = "9"
    & skf18("8","4","3","7","5","1","1") = "7"
    & skf18("8","4","3","7","5","2","1") = "7"
    & skf18("8","4","3","7","5","3","1") = "7"
    & skf18("8","4","3","7","5","4","1") = "7"
    & skf18("8","4","3","7","5","5","1") = "7"
    & skf18("8","4","3","7","5","6","1") = "7"
    & skf18("8","4","3","7","5","7","1") = "7"
    & skf18("8","4","3","7","5","8","1") = "7"
    & skf18("8","4","3","7","5","9","1") = "8"
    & skf18("8","4","3","7","5","10","1") = "9"
    & skf18("8","4","3","7","6","1","1") = "7"
    & skf18("8","4","3","7","6","2","1") = "7"
    & skf18("8","4","3","7","6","3","1") = "7"
    & skf18("8","4","3","7","6","4","1") = "7"
    & skf18("8","4","3","7","6","5","1") = "7"
    & skf18("8","4","3","7","6","6","1") = "7"
    & skf18("8","4","3","7","6","7","1") = "7"
    & skf18("8","4","3","7","6","8","1") = "7"
    & skf18("8","4","3","7","6","9","1") = "8"
    & skf18("8","4","3","7","6","10","1") = "9"
    & skf18("8","4","3","7","7","1","1") = "7"
    & skf18("8","4","3","7","7","2","1") = "7"
    & skf18("8","4","3","7","7","3","1") = "7"
    & skf18("8","4","3","7","7","4","1") = "7"
    & skf18("8","4","3","7","7","5","1") = "7"
    & skf18("8","4","3","7","7","6","1") = "7"
    & skf18("8","4","3","7","7","7","1") = "7"
    & skf18("8","4","3","7","7","8","1") = "7"
    & skf18("8","4","3","7","7","9","1") = "8"
    & skf18("8","4","3","7","7","10","1") = "9"
    & skf18("8","4","3","7","8","1","1") = "7"
    & skf18("8","4","3","7","8","2","1") = "7"
    & skf18("8","4","3","7","8","3","1") = "7"
    & skf18("8","4","3","7","8","4","1") = "7"
    & skf18("8","4","3","7","8","5","1") = "7"
    & skf18("8","4","3","7","8","6","1") = "7"
    & skf18("8","4","3","7","8","7","1") = "7"
    & skf18("8","4","3","7","8","8","1") = "7"
    & skf18("8","4","3","7","8","9","1") = "8"
    & skf18("8","4","3","7","8","10","1") = "9"
    & skf18("8","4","3","7","9","1","1") = "8"
    & skf18("8","4","3","7","9","2","1") = "8"
    & skf18("8","4","3","7","9","3","1") = "8"
    & skf18("8","4","3","7","9","4","1") = "8"
    & skf18("8","4","3","7","9","5","1") = "8"
    & skf18("8","4","3","7","9","6","1") = "8"
    & skf18("8","4","3","7","9","7","1") = "8"
    & skf18("8","4","3","7","9","8","1") = "8"
    & skf18("8","4","3","7","9","9","1") = "8"
    & skf18("8","4","3","7","9","10","1") = "9"
    & skf18("8","4","3","7","10","1","1") = "9"
    & skf18("8","4","3","7","10","2","1") = "9"
    & skf18("8","4","3","7","10","3","1") = "9"
    & skf18("8","4","3","7","10","4","1") = "9"
    & skf18("8","4","3","7","10","5","1") = "9"
    & skf18("8","4","3","7","10","6","1") = "9"
    & skf18("8","4","3","7","10","7","1") = "9"
    & skf18("8","4","3","7","10","8","1") = "9"
    & skf18("8","4","3","7","10","9","1") = "9"
    & skf18("8","4","3","7","10","10","1") = "9"
    & skf18("8","4","3","8","1","1","1") = "7"
    & skf18("8","4","3","8","1","2","1") = "7"
    & skf18("8","4","3","8","1","3","1") = "7"
    & skf18("8","4","3","8","1","4","1") = "7"
    & skf18("8","4","3","8","1","5","1") = "7"
    & skf18("8","4","3","8","1","6","1") = "7"
    & skf18("8","4","3","8","1","7","1") = "7"
    & skf18("8","4","3","8","1","8","1") = "7"
    & skf18("8","4","3","8","1","9","1") = "8"
    & skf18("8","4","3","8","1","10","1") = "9"
    & skf18("8","4","3","8","2","1","1") = "7"
    & skf18("8","4","3","8","2","2","1") = "7"
    & skf18("8","4","3","8","2","3","1") = "7"
    & skf18("8","4","3","8","2","4","1") = "7"
    & skf18("8","4","3","8","2","5","1") = "7"
    & skf18("8","4","3","8","2","6","1") = "7"
    & skf18("8","4","3","8","2","7","1") = "7"
    & skf18("8","4","3","8","2","8","1") = "7"
    & skf18("8","4","3","8","2","9","1") = "8"
    & skf18("8","4","3","8","2","10","1") = "9"
    & skf18("8","4","3","8","3","1","1") = "7"
    & skf18("8","4","3","8","3","2","1") = "7"
    & skf18("8","4","3","8","3","3","1") = "7"
    & skf18("8","4","3","8","3","4","1") = "7"
    & skf18("8","4","3","8","3","5","1") = "7"
    & skf18("8","4","3","8","3","6","1") = "7"
    & skf18("8","4","3","8","3","7","1") = "7"
    & skf18("8","4","3","8","3","8","1") = "7"
    & skf18("8","4","3","8","3","9","1") = "8"
    & skf18("8","4","3","8","3","10","1") = "9"
    & skf18("8","4","3","8","4","1","1") = "7"
    & skf18("8","4","3","8","4","2","1") = "7"
    & skf18("8","4","3","8","4","3","1") = "7"
    & skf18("8","4","3","8","4","4","1") = "7"
    & skf18("8","4","3","8","4","5","1") = "7"
    & skf18("8","4","3","8","4","6","1") = "7"
    & skf18("8","4","3","8","4","7","1") = "7"
    & skf18("8","4","3","8","4","8","1") = "7"
    & skf18("8","4","3","8","4","9","1") = "8"
    & skf18("8","4","3","8","4","10","1") = "9"
    & skf18("8","4","3","8","5","1","1") = "7"
    & skf18("8","4","3","8","5","2","1") = "7"
    & skf18("8","4","3","8","5","3","1") = "7"
    & skf18("8","4","3","8","5","4","1") = "7"
    & skf18("8","4","3","8","5","5","1") = "7"
    & skf18("8","4","3","8","5","6","1") = "7"
    & skf18("8","4","3","8","5","7","1") = "7"
    & skf18("8","4","3","8","5","8","1") = "7"
    & skf18("8","4","3","8","5","9","1") = "8"
    & skf18("8","4","3","8","5","10","1") = "9"
    & skf18("8","4","3","8","6","1","1") = "7"
    & skf18("8","4","3","8","6","2","1") = "7"
    & skf18("8","4","3","8","6","3","1") = "7"
    & skf18("8","4","3","8","6","4","1") = "7"
    & skf18("8","4","3","8","6","5","1") = "7"
    & skf18("8","4","3","8","6","6","1") = "7"
    & skf18("8","4","3","8","6","7","1") = "7"
    & skf18("8","4","3","8","6","8","1") = "7"
    & skf18("8","4","3","8","6","9","1") = "8"
    & skf18("8","4","3","8","6","10","1") = "9"
    & skf18("8","4","3","8","7","1","1") = "7"
    & skf18("8","4","3","8","7","2","1") = "7"
    & skf18("8","4","3","8","7","3","1") = "7"
    & skf18("8","4","3","8","7","4","1") = "7"
    & skf18("8","4","3","8","7","5","1") = "7"
    & skf18("8","4","3","8","7","6","1") = "7"
    & skf18("8","4","3","8","7","7","1") = "7"
    & skf18("8","4","3","8","7","8","1") = "7"
    & skf18("8","4","3","8","7","9","1") = "8"
    & skf18("8","4","3","8","7","10","1") = "9"
    & skf18("8","4","3","8","8","1","1") = "7"
    & skf18("8","4","3","8","8","2","1") = "7"
    & skf18("8","4","3","8","8","3","1") = "7"
    & skf18("8","4","3","8","8","4","1") = "7"
    & skf18("8","4","3","8","8","5","1") = "7"
    & skf18("8","4","3","8","8","6","1") = "7"
    & skf18("8","4","3","8","8","7","1") = "7"
    & skf18("8","4","3","8","8","8","1") = "7"
    & skf18("8","4","3","8","8","9","1") = "8"
    & skf18("8","4","3","8","8","10","1") = "9"
    & skf18("8","4","3","8","9","1","1") = "8"
    & skf18("8","4","3","8","9","2","1") = "8"
    & skf18("8","4","3","8","9","3","1") = "8"
    & skf18("8","4","3","8","9","4","1") = "8"
    & skf18("8","4","3","8","9","5","1") = "8"
    & skf18("8","4","3","8","9","6","1") = "8"
    & skf18("8","4","3","8","9","7","1") = "8"
    & skf18("8","4","3","8","9","8","1") = "8"
    & skf18("8","4","3","8","9","9","1") = "8"
    & skf18("8","4","3","8","9","10","1") = "9"
    & skf18("8","4","3","8","10","1","1") = "9"
    & skf18("8","4","3","8","10","2","1") = "9"
    & skf18("8","4","3","8","10","3","1") = "9"
    & skf18("8","4","3","8","10","4","1") = "9"
    & skf18("8","4","3","8","10","5","1") = "9"
    & skf18("8","4","3","8","10","6","1") = "9"
    & skf18("8","4","3","8","10","7","1") = "9"
    & skf18("8","4","3","8","10","8","1") = "9"
    & skf18("8","4","3","8","10","9","1") = "9"
    & skf18("8","4","3","8","10","10","1") = "9"
    & skf18("8","4","3","9","1","1","1") = "8"
    & skf18("8","4","3","9","1","2","1") = "8"
    & skf18("8","4","3","9","1","3","1") = "8"
    & skf18("8","4","3","9","1","4","1") = "8"
    & skf18("8","4","3","9","1","5","1") = "8"
    & skf18("8","4","3","9","1","6","1") = "8"
    & skf18("8","4","3","9","1","7","1") = "8"
    & skf18("8","4","3","9","1","8","1") = "8"
    & skf18("8","4","3","9","1","9","1") = "8"
    & skf18("8","4","3","9","1","10","1") = "9"
    & skf18("8","4","3","9","2","1","1") = "8"
    & skf18("8","4","3","9","2","2","1") = "8"
    & skf18("8","4","3","9","2","3","1") = "8"
    & skf18("8","4","3","9","2","4","1") = "8"
    & skf18("8","4","3","9","2","5","1") = "8"
    & skf18("8","4","3","9","2","6","1") = "8"
    & skf18("8","4","3","9","2","7","1") = "8"
    & skf18("8","4","3","9","2","8","1") = "8"
    & skf18("8","4","3","9","2","9","1") = "8"
    & skf18("8","4","3","9","2","10","1") = "9"
    & skf18("8","4","3","9","3","1","1") = "8"
    & skf18("8","4","3","9","3","2","1") = "8"
    & skf18("8","4","3","9","3","3","1") = "8"
    & skf18("8","4","3","9","3","4","1") = "8"
    & skf18("8","4","3","9","3","5","1") = "8"
    & skf18("8","4","3","9","3","6","1") = "8"
    & skf18("8","4","3","9","3","7","1") = "8"
    & skf18("8","4","3","9","3","8","1") = "8"
    & skf18("8","4","3","9","3","9","1") = "8"
    & skf18("8","4","3","9","3","10","1") = "9"
    & skf18("8","4","3","9","4","1","1") = "8"
    & skf18("8","4","3","9","4","2","1") = "8"
    & skf18("8","4","3","9","4","3","1") = "8"
    & skf18("8","4","3","9","4","4","1") = "8"
    & skf18("8","4","3","9","4","5","1") = "8"
    & skf18("8","4","3","9","4","6","1") = "8"
    & skf18("8","4","3","9","4","7","1") = "8"
    & skf18("8","4","3","9","4","8","1") = "8"
    & skf18("8","4","3","9","4","9","1") = "8"
    & skf18("8","4","3","9","4","10","1") = "9"
    & skf18("8","4","3","9","5","1","1") = "8"
    & skf18("8","4","3","9","5","2","1") = "8"
    & skf18("8","4","3","9","5","3","1") = "8"
    & skf18("8","4","3","9","5","4","1") = "8"
    & skf18("8","4","3","9","5","5","1") = "8"
    & skf18("8","4","3","9","5","6","1") = "8"
    & skf18("8","4","3","9","5","7","1") = "8"
    & skf18("8","4","3","9","5","8","1") = "8"
    & skf18("8","4","3","9","5","9","1") = "8"
    & skf18("8","4","3","9","5","10","1") = "9"
    & skf18("8","4","3","9","6","1","1") = "8"
    & skf18("8","4","3","9","6","2","1") = "8"
    & skf18("8","4","3","9","6","3","1") = "8"
    & skf18("8","4","3","9","6","4","1") = "8"
    & skf18("8","4","3","9","6","5","1") = "8"
    & skf18("8","4","3","9","6","6","1") = "8"
    & skf18("8","4","3","9","6","7","1") = "8"
    & skf18("8","4","3","9","6","8","1") = "8"
    & skf18("8","4","3","9","6","9","1") = "8"
    & skf18("8","4","3","9","6","10","1") = "9"
    & skf18("8","4","3","9","7","1","1") = "8"
    & skf18("8","4","3","9","7","2","1") = "8"
    & skf18("8","4","3","9","7","3","1") = "8"
    & skf18("8","4","3","9","7","4","1") = "8"
    & skf18("8","4","3","9","7","5","1") = "8"
    & skf18("8","4","3","9","7","6","1") = "8"
    & skf18("8","4","3","9","7","7","1") = "8"
    & skf18("8","4","3","9","7","8","1") = "8"
    & skf18("8","4","3","9","7","9","1") = "8"
    & skf18("8","4","3","9","7","10","1") = "9"
    & skf18("8","4","3","9","8","1","1") = "8"
    & skf18("8","4","3","9","8","2","1") = "8"
    & skf18("8","4","3","9","8","3","1") = "8"
    & skf18("8","4","3","9","8","4","1") = "8"
    & skf18("8","4","3","9","8","5","1") = "8"
    & skf18("8","4","3","9","8","6","1") = "8"
    & skf18("8","4","3","9","8","7","1") = "8"
    & skf18("8","4","3","9","8","8","1") = "8"
    & skf18("8","4","3","9","8","9","1") = "8"
    & skf18("8","4","3","9","8","10","1") = "9"
    & skf18("8","4","3","9","9","1","1") = "8"
    & skf18("8","4","3","9","9","2","1") = "8"
    & skf18("8","4","3","9","9","3","1") = "8"
    & skf18("8","4","3","9","9","4","1") = "8"
    & skf18("8","4","3","9","9","5","1") = "8"
    & skf18("8","4","3","9","9","6","1") = "8"
    & skf18("8","4","3","9","9","7","1") = "8"
    & skf18("8","4","3","9","9","8","1") = "8"
    & skf18("8","4","3","9","9","9","1") = "8"
    & skf18("8","4","3","9","9","10","1") = "9"
    & skf18("8","4","3","9","10","1","1") = "9"
    & skf18("8","4","3","9","10","2","1") = "9"
    & skf18("8","4","3","9","10","3","1") = "9"
    & skf18("8","4","3","9","10","4","1") = "9"
    & skf18("8","4","3","9","10","5","1") = "9"
    & skf18("8","4","3","9","10","6","1") = "9"
    & skf18("8","4","3","9","10","7","1") = "9"
    & skf18("8","4","3","9","10","8","1") = "9"
    & skf18("8","4","3","9","10","9","1") = "9"
    & skf18("8","4","3","9","10","10","1") = "9"
    & skf18("8","4","3","10","1","1","1") = "9"
    & skf18("8","4","3","10","1","2","1") = "9"
    & skf18("8","4","3","10","1","3","1") = "9"
    & skf18("8","4","3","10","1","4","1") = "9"
    & skf18("8","4","3","10","1","5","1") = "9"
    & skf18("8","4","3","10","1","6","1") = "9"
    & skf18("8","4","3","10","1","7","1") = "9"
    & skf18("8","4","3","10","1","8","1") = "9"
    & skf18("8","4","3","10","1","9","1") = "9"
    & skf18("8","4","3","10","1","10","1") = "9"
    & skf18("8","4","3","10","2","1","1") = "9"
    & skf18("8","4","3","10","2","2","1") = "9"
    & skf18("8","4","3","10","2","3","1") = "9"
    & skf18("8","4","3","10","2","4","1") = "9"
    & skf18("8","4","3","10","2","5","1") = "9"
    & skf18("8","4","3","10","2","6","1") = "9"
    & skf18("8","4","3","10","2","7","1") = "9"
    & skf18("8","4","3","10","2","8","1") = "9"
    & skf18("8","4","3","10","2","9","1") = "9"
    & skf18("8","4","3","10","2","10","1") = "9"
    & skf18("8","4","3","10","3","1","1") = "9"
    & skf18("8","4","3","10","3","2","1") = "9"
    & skf18("8","4","3","10","3","3","1") = "9"
    & skf18("8","4","3","10","3","4","1") = "9"
    & skf18("8","4","3","10","3","5","1") = "9"
    & skf18("8","4","3","10","3","6","1") = "9"
    & skf18("8","4","3","10","3","7","1") = "9"
    & skf18("8","4","3","10","3","8","1") = "9"
    & skf18("8","4","3","10","3","9","1") = "9"
    & skf18("8","4","3","10","3","10","1") = "9"
    & skf18("8","4","3","10","4","1","1") = "9"
    & skf18("8","4","3","10","4","2","1") = "9"
    & skf18("8","4","3","10","4","3","1") = "9"
    & skf18("8","4","3","10","4","4","1") = "9"
    & skf18("8","4","3","10","4","5","1") = "9"
    & skf18("8","4","3","10","4","6","1") = "9"
    & skf18("8","4","3","10","4","7","1") = "9"
    & skf18("8","4","3","10","4","8","1") = "9"
    & skf18("8","4","3","10","4","9","1") = "9"
    & skf18("8","4","3","10","4","10","1") = "9"
    & skf18("8","4","3","10","5","1","1") = "9"
    & skf18("8","4","3","10","5","2","1") = "9"
    & skf18("8","4","3","10","5","3","1") = "9"
    & skf18("8","4","3","10","5","4","1") = "9"
    & skf18("8","4","3","10","5","5","1") = "9"
    & skf18("8","4","3","10","5","6","1") = "9"
    & skf18("8","4","3","10","5","7","1") = "9"
    & skf18("8","4","3","10","5","8","1") = "9"
    & skf18("8","4","3","10","5","9","1") = "9"
    & skf18("8","4","3","10","5","10","1") = "9"
    & skf18("8","4","3","10","6","1","1") = "9"
    & skf18("8","4","3","10","6","2","1") = "9"
    & skf18("8","4","3","10","6","3","1") = "9"
    & skf18("8","4","3","10","6","4","1") = "9"
    & skf18("8","4","3","10","6","5","1") = "9"
    & skf18("8","4","3","10","6","6","1") = "9"
    & skf18("8","4","3","10","6","7","1") = "9"
    & skf18("8","4","3","10","6","8","1") = "9"
    & skf18("8","4","3","10","6","9","1") = "9"
    & skf18("8","4","3","10","6","10","1") = "9"
    & skf18("8","4","3","10","7","1","1") = "9"
    & skf18("8","4","3","10","7","2","1") = "9"
    & skf18("8","4","3","10","7","3","1") = "9"
    & skf18("8","4","3","10","7","4","1") = "9"
    & skf18("8","4","3","10","7","5","1") = "9"
    & skf18("8","4","3","10","7","6","1") = "9"
    & skf18("8","4","3","10","7","7","1") = "9"
    & skf18("8","4","3","10","7","8","1") = "9"
    & skf18("8","4","3","10","7","9","1") = "9"
    & skf18("8","4","3","10","7","10","1") = "9"
    & skf18("8","4","3","10","8","1","1") = "9"
    & skf18("8","4","3","10","8","2","1") = "9"
    & skf18("8","4","3","10","8","3","1") = "9"
    & skf18("8","4","3","10","8","4","1") = "9"
    & skf18("8","4","3","10","8","5","1") = "9"
    & skf18("8","4","3","10","8","6","1") = "9"
    & skf18("8","4","3","10","8","7","1") = "9"
    & skf18("8","4","3","10","8","8","1") = "9"
    & skf18("8","4","3","10","8","9","1") = "9"
    & skf18("8","4","3","10","8","10","1") = "9"
    & skf18("8","4","3","10","9","1","1") = "9"
    & skf18("8","4","3","10","9","2","1") = "9"
    & skf18("8","4","3","10","9","3","1") = "9"
    & skf18("8","4","3","10","9","4","1") = "9"
    & skf18("8","4","3","10","9","5","1") = "9"
    & skf18("8","4","3","10","9","6","1") = "9"
    & skf18("8","4","3","10","9","7","1") = "9"
    & skf18("8","4","3","10","9","8","1") = "9"
    & skf18("8","4","3","10","9","9","1") = "9"
    & skf18("8","4","3","10","9","10","1") = "9"
    & skf18("8","4","3","10","10","1","1") = "9"
    & skf18("8","4","3","10","10","2","1") = "9"
    & skf18("8","4","3","10","10","3","1") = "9"
    & skf18("8","4","3","10","10","4","1") = "9"
    & skf18("8","4","3","10","10","5","1") = "9"
    & skf18("8","4","3","10","10","6","1") = "9"
    & skf18("8","4","3","10","10","7","1") = "9"
    & skf18("8","4","3","10","10","8","1") = "9"
    & skf18("8","4","3","10","10","9","1") = "9"
    & skf18("8","4","3","10","10","10","1") = "9"
    & skf18("8","4","4","1","1","1","1") = "7"
    & skf18("8","4","4","1","1","2","1") = "7"
    & skf18("8","4","4","1","1","3","1") = "7"
    & skf18("8","4","4","1","1","4","1") = "7"
    & skf18("8","4","4","1","1","5","1") = "7"
    & skf18("8","4","4","1","1","6","1") = "7"
    & skf18("8","4","4","1","1","7","1") = "7"
    & skf18("8","4","4","1","1","8","1") = "7"
    & skf18("8","4","4","1","1","9","1") = "8"
    & skf18("8","4","4","1","1","10","1") = "9"
    & skf18("8","4","4","1","2","1","1") = "7"
    & skf18("8","4","4","1","2","2","1") = "7"
    & skf18("8","4","4","1","2","3","1") = "7"
    & skf18("8","4","4","1","2","4","1") = "7"
    & skf18("8","4","4","1","2","5","1") = "7"
    & skf18("8","4","4","1","2","6","1") = "7"
    & skf18("8","4","4","1","2","7","1") = "7"
    & skf18("8","4","4","1","2","8","1") = "7"
    & skf18("8","4","4","1","2","9","1") = "8"
    & skf18("8","4","4","1","2","10","1") = "9"
    & skf18("8","4","4","1","3","1","1") = "7"
    & skf18("8","4","4","1","3","2","1") = "7"
    & skf18("8","4","4","1","3","3","1") = "7"
    & skf18("8","4","4","1","3","4","1") = "7"
    & skf18("8","4","4","1","3","5","1") = "7"
    & skf18("8","4","4","1","3","6","1") = "7"
    & skf18("8","4","4","1","3","7","1") = "7"
    & skf18("8","4","4","1","3","8","1") = "7"
    & skf18("8","4","4","1","3","9","1") = "8"
    & skf18("8","4","4","1","3","10","1") = "9"
    & skf18("8","4","4","1","4","1","1") = "7"
    & skf18("8","4","4","1","4","2","1") = "7"
    & skf18("8","4","4","1","4","3","1") = "7"
    & skf18("8","4","4","1","4","4","1") = "7"
    & skf18("8","4","4","1","4","5","1") = "7"
    & skf18("8","4","4","1","4","6","1") = "7"
    & skf18("8","4","4","1","4","7","1") = "7"
    & skf18("8","4","4","1","4","8","1") = "7"
    & skf18("8","4","4","1","4","9","1") = "8"
    & skf18("8","4","4","1","4","10","1") = "9"
    & skf18("8","4","4","1","5","1","1") = "7"
    & skf18("8","4","4","1","5","2","1") = "7"
    & skf18("8","4","4","1","5","3","1") = "7"
    & skf18("8","4","4","1","5","4","1") = "7"
    & skf18("8","4","4","1","5","5","1") = "7"
    & skf18("8","4","4","1","5","6","1") = "7"
    & skf18("8","4","4","1","5","7","1") = "7"
    & skf18("8","4","4","1","5","8","1") = "7"
    & skf18("8","4","4","1","5","9","1") = "8"
    & skf18("8","4","4","1","5","10","1") = "9"
    & skf18("8","4","4","1","6","1","1") = "7"
    & skf18("8","4","4","1","6","2","1") = "7"
    & skf18("8","4","4","1","6","3","1") = "7"
    & skf18("8","4","4","1","6","4","1") = "7"
    & skf18("8","4","4","1","6","5","1") = "7"
    & skf18("8","4","4","1","6","6","1") = "7"
    & skf18("8","4","4","1","6","7","1") = "7"
    & skf18("8","4","4","1","6","8","1") = "7"
    & skf18("8","4","4","1","6","9","1") = "8"
    & skf18("8","4","4","1","6","10","1") = "9"
    & skf18("8","4","4","1","7","1","1") = "7"
    & skf18("8","4","4","1","7","2","1") = "7"
    & skf18("8","4","4","1","7","3","1") = "7"
    & skf18("8","4","4","1","7","4","1") = "7"
    & skf18("8","4","4","1","7","5","1") = "7"
    & skf18("8","4","4","1","7","6","1") = "7"
    & skf18("8","4","4","1","7","7","1") = "7"
    & skf18("8","4","4","1","7","8","1") = "7"
    & skf18("8","4","4","1","7","9","1") = "8"
    & skf18("8","4","4","1","7","10","1") = "9"
    & skf18("8","4","4","1","8","1","1") = "7"
    & skf18("8","4","4","1","8","2","1") = "7"
    & skf18("8","4","4","1","8","3","1") = "7"
    & skf18("8","4","4","1","8","4","1") = "7"
    & skf18("8","4","4","1","8","5","1") = "7"
    & skf18("8","4","4","1","8","6","1") = "7"
    & skf18("8","4","4","1","8","7","1") = "7"
    & skf18("8","4","4","1","8","8","1") = "7"
    & skf18("8","4","4","1","8","9","1") = "8"
    & skf18("8","4","4","1","8","10","1") = "9"
    & skf18("8","4","4","1","9","1","1") = "8"
    & skf18("8","4","4","1","9","2","1") = "8"
    & skf18("8","4","4","1","9","3","1") = "8"
    & skf18("8","4","4","1","9","4","1") = "8"
    & skf18("8","4","4","1","9","5","1") = "8"
    & skf18("8","4","4","1","9","6","1") = "8"
    & skf18("8","4","4","1","9","7","1") = "8"
    & skf18("8","4","4","1","9","8","1") = "8"
    & skf18("8","4","4","1","9","9","1") = "8"
    & skf18("8","4","4","1","9","10","1") = "9"
    & skf18("8","4","4","1","10","1","1") = "9"
    & skf18("8","4","4","1","10","2","1") = "9"
    & skf18("8","4","4","1","10","3","1") = "9"
    & skf18("8","4","4","1","10","4","1") = "9"
    & skf18("8","4","4","1","10","5","1") = "9"
    & skf18("8","4","4","1","10","6","1") = "9"
    & skf18("8","4","4","1","10","7","1") = "9"
    & skf18("8","4","4","1","10","8","1") = "9"
    & skf18("8","4","4","1","10","9","1") = "9"
    & skf18("8","4","4","1","10","10","1") = "9"
    & skf18("8","4","4","2","1","1","1") = "7"
    & skf18("8","4","4","2","1","2","1") = "7"
    & skf18("8","4","4","2","1","3","1") = "7"
    & skf18("8","4","4","2","1","4","1") = "7"
    & skf18("8","4","4","2","1","5","1") = "7"
    & skf18("8","4","4","2","1","6","1") = "7"
    & skf18("8","4","4","2","1","7","1") = "7"
    & skf18("8","4","4","2","1","8","1") = "7"
    & skf18("8","4","4","2","1","9","1") = "8"
    & skf18("8","4","4","2","1","10","1") = "9"
    & skf18("8","4","4","2","2","1","1") = "7"
    & skf18("8","4","4","2","2","2","1") = "7"
    & skf18("8","4","4","2","2","3","1") = "7"
    & skf18("8","4","4","2","2","4","1") = "7"
    & skf18("8","4","4","2","2","5","1") = "7"
    & skf18("8","4","4","2","2","6","1") = "7"
    & skf18("8","4","4","2","2","7","1") = "7"
    & skf18("8","4","4","2","2","8","1") = "7"
    & skf18("8","4","4","2","2","9","1") = "8"
    & skf18("8","4","4","2","2","10","1") = "9"
    & skf18("8","4","4","2","3","1","1") = "7"
    & skf18("8","4","4","2","3","2","1") = "7"
    & skf18("8","4","4","2","3","3","1") = "7"
    & skf18("8","4","4","2","3","4","1") = "7"
    & skf18("8","4","4","2","3","5","1") = "7"
    & skf18("8","4","4","2","3","6","1") = "7"
    & skf18("8","4","4","2","3","7","1") = "7"
    & skf18("8","4","4","2","3","8","1") = "7"
    & skf18("8","4","4","2","3","9","1") = "8"
    & skf18("8","4","4","2","3","10","1") = "9"
    & skf18("8","4","4","2","4","1","1") = "7"
    & skf18("8","4","4","2","4","2","1") = "7"
    & skf18("8","4","4","2","4","3","1") = "7"
    & skf18("8","4","4","2","4","4","1") = "7"
    & skf18("8","4","4","2","4","5","1") = "7"
    & skf18("8","4","4","2","4","6","1") = "7"
    & skf18("8","4","4","2","4","7","1") = "7"
    & skf18("8","4","4","2","4","8","1") = "7"
    & skf18("8","4","4","2","4","9","1") = "8"
    & skf18("8","4","4","2","4","10","1") = "9"
    & skf18("8","4","4","2","5","1","1") = "7"
    & skf18("8","4","4","2","5","2","1") = "7"
    & skf18("8","4","4","2","5","3","1") = "7"
    & skf18("8","4","4","2","5","4","1") = "7"
    & skf18("8","4","4","2","5","5","1") = "7"
    & skf18("8","4","4","2","5","6","1") = "7"
    & skf18("8","4","4","2","5","7","1") = "7"
    & skf18("8","4","4","2","5","8","1") = "7"
    & skf18("8","4","4","2","5","9","1") = "8"
    & skf18("8","4","4","2","5","10","1") = "9"
    & skf18("8","4","4","2","6","1","1") = "7"
    & skf18("8","4","4","2","6","2","1") = "7"
    & skf18("8","4","4","2","6","3","1") = "7"
    & skf18("8","4","4","2","6","4","1") = "7"
    & skf18("8","4","4","2","6","5","1") = "7"
    & skf18("8","4","4","2","6","6","1") = "7"
    & skf18("8","4","4","2","6","7","1") = "7"
    & skf18("8","4","4","2","6","8","1") = "7"
    & skf18("8","4","4","2","6","9","1") = "8"
    & skf18("8","4","4","2","6","10","1") = "9"
    & skf18("8","4","4","2","7","1","1") = "7"
    & skf18("8","4","4","2","7","2","1") = "7"
    & skf18("8","4","4","2","7","3","1") = "7"
    & skf18("8","4","4","2","7","4","1") = "7"
    & skf18("8","4","4","2","7","5","1") = "7"
    & skf18("8","4","4","2","7","6","1") = "7"
    & skf18("8","4","4","2","7","7","1") = "7"
    & skf18("8","4","4","2","7","8","1") = "7"
    & skf18("8","4","4","2","7","9","1") = "8"
    & skf18("8","4","4","2","7","10","1") = "9"
    & skf18("8","4","4","2","8","1","1") = "7"
    & skf18("8","4","4","2","8","2","1") = "7"
    & skf18("8","4","4","2","8","3","1") = "7"
    & skf18("8","4","4","2","8","4","1") = "7"
    & skf18("8","4","4","2","8","5","1") = "7"
    & skf18("8","4","4","2","8","6","1") = "7"
    & skf18("8","4","4","2","8","7","1") = "7"
    & skf18("8","4","4","2","8","8","1") = "7"
    & skf18("8","4","4","2","8","9","1") = "8"
    & skf18("8","4","4","2","8","10","1") = "9"
    & skf18("8","4","4","2","9","1","1") = "8"
    & skf18("8","4","4","2","9","2","1") = "8"
    & skf18("8","4","4","2","9","3","1") = "8"
    & skf18("8","4","4","2","9","4","1") = "8"
    & skf18("8","4","4","2","9","5","1") = "8"
    & skf18("8","4","4","2","9","6","1") = "8"
    & skf18("8","4","4","2","9","7","1") = "8"
    & skf18("8","4","4","2","9","8","1") = "8"
    & skf18("8","4","4","2","9","9","1") = "8"
    & skf18("8","4","4","2","9","10","1") = "9"
    & skf18("8","4","4","2","10","1","1") = "9"
    & skf18("8","4","4","2","10","2","1") = "9"
    & skf18("8","4","4","2","10","3","1") = "9"
    & skf18("8","4","4","2","10","4","1") = "9"
    & skf18("8","4","4","2","10","5","1") = "9"
    & skf18("8","4","4","2","10","6","1") = "9"
    & skf18("8","4","4","2","10","7","1") = "9"
    & skf18("8","4","4","2","10","8","1") = "9"
    & skf18("8","4","4","2","10","9","1") = "9"
    & skf18("8","4","4","2","10","10","1") = "9"
    & skf18("8","4","4","3","1","1","1") = "7"
    & skf18("8","4","4","3","1","2","1") = "7"
    & skf18("8","4","4","3","1","3","1") = "7"
    & skf18("8","4","4","3","1","4","1") = "7"
    & skf18("8","4","4","3","1","5","1") = "7"
    & skf18("8","4","4","3","1","6","1") = "7"
    & skf18("8","4","4","3","1","7","1") = "7"
    & skf18("8","4","4","3","1","8","1") = "7"
    & skf18("8","4","4","3","1","9","1") = "8"
    & skf18("8","4","4","3","1","10","1") = "9"
    & skf18("8","4","4","3","2","1","1") = "7"
    & skf18("8","4","4","3","2","2","1") = "7"
    & skf18("8","4","4","3","2","3","1") = "7"
    & skf18("8","4","4","3","2","4","1") = "7"
    & skf18("8","4","4","3","2","5","1") = "7"
    & skf18("8","4","4","3","2","6","1") = "7"
    & skf18("8","4","4","3","2","7","1") = "7"
    & skf18("8","4","4","3","2","8","1") = "7"
    & skf18("8","4","4","3","2","9","1") = "8"
    & skf18("8","4","4","3","2","10","1") = "9"
    & skf18("8","4","4","3","3","1","1") = "7"
    & skf18("8","4","4","3","3","2","1") = "7"
    & skf18("8","4","4","3","3","3","1") = "7"
    & skf18("8","4","4","3","3","4","1") = "7"
    & skf18("8","4","4","3","3","5","1") = "7"
    & skf18("8","4","4","3","3","6","1") = "7"
    & skf18("8","4","4","3","3","7","1") = "7"
    & skf18("8","4","4","3","3","8","1") = "7"
    & skf18("8","4","4","3","3","9","1") = "8"
    & skf18("8","4","4","3","3","10","1") = "9"
    & skf18("8","4","4","3","4","1","1") = "7"
    & skf18("8","4","4","3","4","2","1") = "7"
    & skf18("8","4","4","3","4","3","1") = "7"
    & skf18("8","4","4","3","4","4","1") = "7"
    & skf18("8","4","4","3","4","5","1") = "7"
    & skf18("8","4","4","3","4","6","1") = "7"
    & skf18("8","4","4","3","4","7","1") = "7"
    & skf18("8","4","4","3","4","8","1") = "7"
    & skf18("8","4","4","3","4","9","1") = "8"
    & skf18("8","4","4","3","4","10","1") = "9"
    & skf18("8","4","4","3","5","1","1") = "7"
    & skf18("8","4","4","3","5","2","1") = "7"
    & skf18("8","4","4","3","5","3","1") = "7"
    & skf18("8","4","4","3","5","4","1") = "7"
    & skf18("8","4","4","3","5","5","1") = "7"
    & skf18("8","4","4","3","5","6","1") = "7"
    & skf18("8","4","4","3","5","7","1") = "7"
    & skf18("8","4","4","3","5","8","1") = "7"
    & skf18("8","4","4","3","5","9","1") = "8"
    & skf18("8","4","4","3","5","10","1") = "9"
    & skf18("8","4","4","3","6","1","1") = "7"
    & skf18("8","4","4","3","6","2","1") = "7"
    & skf18("8","4","4","3","6","3","1") = "7"
    & skf18("8","4","4","3","6","4","1") = "7"
    & skf18("8","4","4","3","6","5","1") = "7"
    & skf18("8","4","4","3","6","6","1") = "7"
    & skf18("8","4","4","3","6","7","1") = "7"
    & skf18("8","4","4","3","6","8","1") = "7"
    & skf18("8","4","4","3","6","9","1") = "8"
    & skf18("8","4","4","3","6","10","1") = "9"
    & skf18("8","4","4","3","7","1","1") = "7"
    & skf18("8","4","4","3","7","2","1") = "7"
    & skf18("8","4","4","3","7","3","1") = "7"
    & skf18("8","4","4","3","7","4","1") = "7"
    & skf18("8","4","4","3","7","5","1") = "7"
    & skf18("8","4","4","3","7","6","1") = "7"
    & skf18("8","4","4","3","7","7","1") = "7"
    & skf18("8","4","4","3","7","8","1") = "7"
    & skf18("8","4","4","3","7","9","1") = "8"
    & skf18("8","4","4","3","7","10","1") = "9"
    & skf18("8","4","4","3","8","1","1") = "7"
    & skf18("8","4","4","3","8","2","1") = "7"
    & skf18("8","4","4","3","8","3","1") = "7"
    & skf18("8","4","4","3","8","4","1") = "7"
    & skf18("8","4","4","3","8","5","1") = "7"
    & skf18("8","4","4","3","8","6","1") = "7"
    & skf18("8","4","4","3","8","7","1") = "7"
    & skf18("8","4","4","3","8","8","1") = "7"
    & skf18("8","4","4","3","8","9","1") = "8"
    & skf18("8","4","4","3","8","10","1") = "9"
    & skf18("8","4","4","3","9","1","1") = "8"
    & skf18("8","4","4","3","9","2","1") = "8"
    & skf18("8","4","4","3","9","3","1") = "8"
    & skf18("8","4","4","3","9","4","1") = "8"
    & skf18("8","4","4","3","9","5","1") = "8"
    & skf18("8","4","4","3","9","6","1") = "8"
    & skf18("8","4","4","3","9","7","1") = "8"
    & skf18("8","4","4","3","9","8","1") = "8"
    & skf18("8","4","4","3","9","9","1") = "8"
    & skf18("8","4","4","3","9","10","1") = "9"
    & skf18("8","4","4","3","10","1","1") = "9"
    & skf18("8","4","4","3","10","2","1") = "9"
    & skf18("8","4","4","3","10","3","1") = "9"
    & skf18("8","4","4","3","10","4","1") = "9"
    & skf18("8","4","4","3","10","5","1") = "9"
    & skf18("8","4","4","3","10","6","1") = "9"
    & skf18("8","4","4","3","10","7","1") = "9"
    & skf18("8","4","4","3","10","8","1") = "9"
    & skf18("8","4","4","3","10","9","1") = "9"
    & skf18("8","4","4","3","10","10","1") = "9"
    & skf18("8","4","4","4","1","1","1") = "7"
    & skf18("8","4","4","4","1","2","1") = "7"
    & skf18("8","4","4","4","1","3","1") = "7"
    & skf18("8","4","4","4","1","4","1") = "7"
    & skf18("8","4","4","4","1","5","1") = "7"
    & skf18("8","4","4","4","1","6","1") = "7"
    & skf18("8","4","4","4","1","7","1") = "7"
    & skf18("8","4","4","4","1","8","1") = "7"
    & skf18("8","4","4","4","1","9","1") = "8"
    & skf18("8","4","4","4","1","10","1") = "9"
    & skf18("8","4","4","4","2","1","1") = "7"
    & skf18("8","4","4","4","2","2","1") = "7"
    & skf18("8","4","4","4","2","3","1") = "7"
    & skf18("8","4","4","4","2","4","1") = "7"
    & skf18("8","4","4","4","2","5","1") = "7"
    & skf18("8","4","4","4","2","6","1") = "7"
    & skf18("8","4","4","4","2","7","1") = "7"
    & skf18("8","4","4","4","2","8","1") = "7"
    & skf18("8","4","4","4","2","9","1") = "8"
    & skf18("8","4","4","4","2","10","1") = "9"
    & skf18("8","4","4","4","3","1","1") = "7"
    & skf18("8","4","4","4","3","2","1") = "7"
    & skf18("8","4","4","4","3","3","1") = "7"
    & skf18("8","4","4","4","3","4","1") = "7"
    & skf18("8","4","4","4","3","5","1") = "7"
    & skf18("8","4","4","4","3","6","1") = "7"
    & skf18("8","4","4","4","3","7","1") = "7"
    & skf18("8","4","4","4","3","8","1") = "7"
    & skf18("8","4","4","4","3","9","1") = "8"
    & skf18("8","4","4","4","3","10","1") = "9"
    & skf18("8","4","4","4","4","1","1") = "7"
    & skf18("8","4","4","4","4","2","1") = "7"
    & skf18("8","4","4","4","4","3","1") = "7"
    & skf18("8","4","4","4","4","4","1") = "7"
    & skf18("8","4","4","4","4","5","1") = "7"
    & skf18("8","4","4","4","4","6","1") = "7"
    & skf18("8","4","4","4","4","7","1") = "7"
    & skf18("8","4","4","4","4","8","1") = "7"
    & skf18("8","4","4","4","4","9","1") = "8"
    & skf18("8","4","4","4","4","10","1") = "9"
    & skf18("8","4","4","4","5","1","1") = "7"
    & skf18("8","4","4","4","5","2","1") = "7"
    & skf18("8","4","4","4","5","3","1") = "7"
    & skf18("8","4","4","4","5","4","1") = "7"
    & skf18("8","4","4","4","5","5","1") = "7"
    & skf18("8","4","4","4","5","6","1") = "7"
    & skf18("8","4","4","4","5","7","1") = "7"
    & skf18("8","4","4","4","5","8","1") = "7"
    & skf18("8","4","4","4","5","9","1") = "8"
    & skf18("8","4","4","4","5","10","1") = "9"
    & skf18("8","4","4","4","6","1","1") = "7"
    & skf18("8","4","4","4","6","2","1") = "7"
    & skf18("8","4","4","4","6","3","1") = "7"
    & skf18("8","4","4","4","6","4","1") = "7"
    & skf18("8","4","4","4","6","5","1") = "7"
    & skf18("8","4","4","4","6","6","1") = "7"
    & skf18("8","4","4","4","6","7","1") = "7"
    & skf18("8","4","4","4","6","8","1") = "7"
    & skf18("8","4","4","4","6","9","1") = "8"
    & skf18("8","4","4","4","6","10","1") = "9"
    & skf18("8","4","4","4","7","1","1") = "7"
    & skf18("8","4","4","4","7","2","1") = "7"
    & skf18("8","4","4","4","7","3","1") = "7"
    & skf18("8","4","4","4","7","4","1") = "7"
    & skf18("8","4","4","4","7","5","1") = "7"
    & skf18("8","4","4","4","7","6","1") = "7"
    & skf18("8","4","4","4","7","7","1") = "7"
    & skf18("8","4","4","4","7","8","1") = "7"
    & skf18("8","4","4","4","7","9","1") = "8"
    & skf18("8","4","4","4","7","10","1") = "9"
    & skf18("8","4","4","4","8","1","1") = "7"
    & skf18("8","4","4","4","8","2","1") = "7"
    & skf18("8","4","4","4","8","3","1") = "7"
    & skf18("8","4","4","4","8","4","1") = "7"
    & skf18("8","4","4","4","8","5","1") = "7"
    & skf18("8","4","4","4","8","6","1") = "7"
    & skf18("8","4","4","4","8","7","1") = "7"
    & skf18("8","4","4","4","8","8","1") = "7"
    & skf18("8","4","4","4","8","9","1") = "8"
    & skf18("8","4","4","4","8","10","1") = "9"
    & skf18("8","4","4","4","9","1","1") = "8"
    & skf18("8","4","4","4","9","2","1") = "8"
    & skf18("8","4","4","4","9","3","1") = "8"
    & skf18("8","4","4","4","9","4","1") = "8"
    & skf18("8","4","4","4","9","5","1") = "8"
    & skf18("8","4","4","4","9","6","1") = "8"
    & skf18("8","4","4","4","9","7","1") = "8"
    & skf18("8","4","4","4","9","8","1") = "8"
    & skf18("8","4","4","4","9","9","1") = "8"
    & skf18("8","4","4","4","9","10","1") = "9"
    & skf18("8","4","4","4","10","1","1") = "9"
    & skf18("8","4","4","4","10","2","1") = "9"
    & skf18("8","4","4","4","10","3","1") = "9"
    & skf18("8","4","4","4","10","4","1") = "9"
    & skf18("8","4","4","4","10","5","1") = "9"
    & skf18("8","4","4","4","10","6","1") = "9"
    & skf18("8","4","4","4","10","7","1") = "9"
    & skf18("8","4","4","4","10","8","1") = "9"
    & skf18("8","4","4","4","10","9","1") = "9"
    & skf18("8","4","4","4","10","10","1") = "9"
    & skf18("8","4","4","5","1","1","1") = "7"
    & skf18("8","4","4","5","1","2","1") = "7"
    & skf18("8","4","4","5","1","3","1") = "7"
    & skf18("8","4","4","5","1","4","1") = "7"
    & skf18("8","4","4","5","1","5","1") = "7"
    & skf18("8","4","4","5","1","6","1") = "7"
    & skf18("8","4","4","5","1","7","1") = "7"
    & skf18("8","4","4","5","1","8","1") = "7"
    & skf18("8","4","4","5","1","9","1") = "8"
    & skf18("8","4","4","5","1","10","1") = "9"
    & skf18("8","4","4","5","2","1","1") = "7"
    & skf18("8","4","4","5","2","2","1") = "7"
    & skf18("8","4","4","5","2","3","1") = "7"
    & skf18("8","4","4","5","2","4","1") = "7"
    & skf18("8","4","4","5","2","5","1") = "7"
    & skf18("8","4","4","5","2","6","1") = "7"
    & skf18("8","4","4","5","2","7","1") = "7"
    & skf18("8","4","4","5","2","8","1") = "7"
    & skf18("8","4","4","5","2","9","1") = "8"
    & skf18("8","4","4","5","2","10","1") = "9"
    & skf18("8","4","4","5","3","1","1") = "7"
    & skf18("8","4","4","5","3","2","1") = "7"
    & skf18("8","4","4","5","3","3","1") = "7"
    & skf18("8","4","4","5","3","4","1") = "7"
    & skf18("8","4","4","5","3","5","1") = "7"
    & skf18("8","4","4","5","3","6","1") = "7"
    & skf18("8","4","4","5","3","7","1") = "7"
    & skf18("8","4","4","5","3","8","1") = "7"
    & skf18("8","4","4","5","3","9","1") = "8"
    & skf18("8","4","4","5","3","10","1") = "9"
    & skf18("8","4","4","5","4","1","1") = "7"
    & skf18("8","4","4","5","4","2","1") = "7"
    & skf18("8","4","4","5","4","3","1") = "7"
    & skf18("8","4","4","5","4","4","1") = "7"
    & skf18("8","4","4","5","4","5","1") = "7"
    & skf18("8","4","4","5","4","6","1") = "7"
    & skf18("8","4","4","5","4","7","1") = "7"
    & skf18("8","4","4","5","4","8","1") = "7"
    & skf18("8","4","4","5","4","9","1") = "8"
    & skf18("8","4","4","5","4","10","1") = "9"
    & skf18("8","4","4","5","5","1","1") = "7"
    & skf18("8","4","4","5","5","2","1") = "7"
    & skf18("8","4","4","5","5","3","1") = "7"
    & skf18("8","4","4","5","5","4","1") = "7"
    & skf18("8","4","4","5","5","5","1") = "7"
    & skf18("8","4","4","5","5","6","1") = "7"
    & skf18("8","4","4","5","5","7","1") = "7"
    & skf18("8","4","4","5","5","8","1") = "7"
    & skf18("8","4","4","5","5","9","1") = "8"
    & skf18("8","4","4","5","5","10","1") = "9"
    & skf18("8","4","4","5","6","1","1") = "7"
    & skf18("8","4","4","5","6","2","1") = "7"
    & skf18("8","4","4","5","6","3","1") = "7"
    & skf18("8","4","4","5","6","4","1") = "7"
    & skf18("8","4","4","5","6","5","1") = "7"
    & skf18("8","4","4","5","6","6","1") = "7"
    & skf18("8","4","4","5","6","7","1") = "7"
    & skf18("8","4","4","5","6","8","1") = "7"
    & skf18("8","4","4","5","6","9","1") = "8"
    & skf18("8","4","4","5","6","10","1") = "9"
    & skf18("8","4","4","5","7","1","1") = "7"
    & skf18("8","4","4","5","7","2","1") = "7"
    & skf18("8","4","4","5","7","3","1") = "7"
    & skf18("8","4","4","5","7","4","1") = "7"
    & skf18("8","4","4","5","7","5","1") = "7"
    & skf18("8","4","4","5","7","6","1") = "7"
    & skf18("8","4","4","5","7","7","1") = "7"
    & skf18("8","4","4","5","7","8","1") = "7"
    & skf18("8","4","4","5","7","9","1") = "8"
    & skf18("8","4","4","5","7","10","1") = "9"
    & skf18("8","4","4","5","8","1","1") = "7"
    & skf18("8","4","4","5","8","2","1") = "7"
    & skf18("8","4","4","5","8","3","1") = "7"
    & skf18("8","4","4","5","8","4","1") = "7"
    & skf18("8","4","4","5","8","5","1") = "7"
    & skf18("8","4","4","5","8","6","1") = "7"
    & skf18("8","4","4","5","8","7","1") = "7"
    & skf18("8","4","4","5","8","8","1") = "7"
    & skf18("8","4","4","5","8","9","1") = "8"
    & skf18("8","4","4","5","8","10","1") = "9"
    & skf18("8","4","4","5","9","1","1") = "8"
    & skf18("8","4","4","5","9","2","1") = "8"
    & skf18("8","4","4","5","9","3","1") = "8"
    & skf18("8","4","4","5","9","4","1") = "8"
    & skf18("8","4","4","5","9","5","1") = "8"
    & skf18("8","4","4","5","9","6","1") = "8"
    & skf18("8","4","4","5","9","7","1") = "8"
    & skf18("8","4","4","5","9","8","1") = "8"
    & skf18("8","4","4","5","9","9","1") = "8"
    & skf18("8","4","4","5","9","10","1") = "9"
    & skf18("8","4","4","5","10","1","1") = "9"
    & skf18("8","4","4","5","10","2","1") = "9"
    & skf18("8","4","4","5","10","3","1") = "9"
    & skf18("8","4","4","5","10","4","1") = "9"
    & skf18("8","4","4","5","10","5","1") = "9"
    & skf18("8","4","4","5","10","6","1") = "9"
    & skf18("8","4","4","5","10","7","1") = "9"
    & skf18("8","4","4","5","10","8","1") = "9"
    & skf18("8","4","4","5","10","9","1") = "9"
    & skf18("8","4","4","5","10","10","1") = "9"
    & skf18("8","4","4","6","1","1","1") = "7"
    & skf18("8","4","4","6","1","2","1") = "7"
    & skf18("8","4","4","6","1","3","1") = "7"
    & skf18("8","4","4","6","1","4","1") = "7"
    & skf18("8","4","4","6","1","5","1") = "7"
    & skf18("8","4","4","6","1","6","1") = "7"
    & skf18("8","4","4","6","1","7","1") = "7"
    & skf18("8","4","4","6","1","8","1") = "7"
    & skf18("8","4","4","6","1","9","1") = "8"
    & skf18("8","4","4","6","1","10","1") = "9"
    & skf18("8","4","4","6","2","1","1") = "7"
    & skf18("8","4","4","6","2","2","1") = "7"
    & skf18("8","4","4","6","2","3","1") = "7"
    & skf18("8","4","4","6","2","4","1") = "7"
    & skf18("8","4","4","6","2","5","1") = "7"
    & skf18("8","4","4","6","2","6","1") = "7"
    & skf18("8","4","4","6","2","7","1") = "7"
    & skf18("8","4","4","6","2","8","1") = "7"
    & skf18("8","4","4","6","2","9","1") = "8"
    & skf18("8","4","4","6","2","10","1") = "9"
    & skf18("8","4","4","6","3","1","1") = "7"
    & skf18("8","4","4","6","3","2","1") = "7"
    & skf18("8","4","4","6","3","3","1") = "7"
    & skf18("8","4","4","6","3","4","1") = "7"
    & skf18("8","4","4","6","3","5","1") = "7"
    & skf18("8","4","4","6","3","6","1") = "7"
    & skf18("8","4","4","6","3","7","1") = "7"
    & skf18("8","4","4","6","3","8","1") = "7"
    & skf18("8","4","4","6","3","9","1") = "8"
    & skf18("8","4","4","6","3","10","1") = "9"
    & skf18("8","4","4","6","4","1","1") = "7"
    & skf18("8","4","4","6","4","2","1") = "7"
    & skf18("8","4","4","6","4","3","1") = "7"
    & skf18("8","4","4","6","4","4","1") = "7"
    & skf18("8","4","4","6","4","5","1") = "7"
    & skf18("8","4","4","6","4","6","1") = "7"
    & skf18("8","4","4","6","4","7","1") = "7"
    & skf18("8","4","4","6","4","8","1") = "7"
    & skf18("8","4","4","6","4","9","1") = "8"
    & skf18("8","4","4","6","4","10","1") = "9"
    & skf18("8","4","4","6","5","1","1") = "7"
    & skf18("8","4","4","6","5","2","1") = "7"
    & skf18("8","4","4","6","5","3","1") = "7"
    & skf18("8","4","4","6","5","4","1") = "7"
    & skf18("8","4","4","6","5","5","1") = "7"
    & skf18("8","4","4","6","5","6","1") = "7"
    & skf18("8","4","4","6","5","7","1") = "7"
    & skf18("8","4","4","6","5","8","1") = "7"
    & skf18("8","4","4","6","5","9","1") = "8"
    & skf18("8","4","4","6","5","10","1") = "9"
    & skf18("8","4","4","6","6","1","1") = "7"
    & skf18("8","4","4","6","6","2","1") = "7"
    & skf18("8","4","4","6","6","3","1") = "7"
    & skf18("8","4","4","6","6","4","1") = "7"
    & skf18("8","4","4","6","6","5","1") = "7"
    & skf18("8","4","4","6","6","6","1") = "7"
    & skf18("8","4","4","6","6","7","1") = "7"
    & skf18("8","4","4","6","6","8","1") = "7"
    & skf18("8","4","4","6","6","9","1") = "8"
    & skf18("8","4","4","6","6","10","1") = "9"
    & skf18("8","4","4","6","7","1","1") = "7"
    & skf18("8","4","4","6","7","2","1") = "7"
    & skf18("8","4","4","6","7","3","1") = "7"
    & skf18("8","4","4","6","7","4","1") = "7"
    & skf18("8","4","4","6","7","5","1") = "7"
    & skf18("8","4","4","6","7","6","1") = "7"
    & skf18("8","4","4","6","7","7","1") = "7"
    & skf18("8","4","4","6","7","8","1") = "7"
    & skf18("8","4","4","6","7","9","1") = "8"
    & skf18("8","4","4","6","7","10","1") = "9"
    & skf18("8","4","4","6","8","1","1") = "7"
    & skf18("8","4","4","6","8","2","1") = "7"
    & skf18("8","4","4","6","8","3","1") = "7"
    & skf18("8","4","4","6","8","4","1") = "7"
    & skf18("8","4","4","6","8","5","1") = "7"
    & skf18("8","4","4","6","8","6","1") = "7"
    & skf18("8","4","4","6","8","7","1") = "7"
    & skf18("8","4","4","6","8","8","1") = "7"
    & skf18("8","4","4","6","8","9","1") = "8"
    & skf18("8","4","4","6","8","10","1") = "9"
    & skf18("8","4","4","6","9","1","1") = "8"
    & skf18("8","4","4","6","9","2","1") = "8"
    & skf18("8","4","4","6","9","3","1") = "8"
    & skf18("8","4","4","6","9","4","1") = "8"
    & skf18("8","4","4","6","9","5","1") = "8"
    & skf18("8","4","4","6","9","6","1") = "8"
    & skf18("8","4","4","6","9","7","1") = "8"
    & skf18("8","4","4","6","9","8","1") = "8"
    & skf18("8","4","4","6","9","9","1") = "8"
    & skf18("8","4","4","6","9","10","1") = "9"
    & skf18("8","4","4","6","10","1","1") = "9"
    & skf18("8","4","4","6","10","2","1") = "9"
    & skf18("8","4","4","6","10","3","1") = "9"
    & skf18("8","4","4","6","10","4","1") = "9"
    & skf18("8","4","4","6","10","5","1") = "9"
    & skf18("8","4","4","6","10","6","1") = "9"
    & skf18("8","4","4","6","10","7","1") = "9"
    & skf18("8","4","4","6","10","8","1") = "9"
    & skf18("8","4","4","6","10","9","1") = "9"
    & skf18("8","4","4","6","10","10","1") = "9"
    & skf18("8","4","4","7","1","1","1") = "7"
    & skf18("8","4","4","7","1","2","1") = "7"
    & skf18("8","4","4","7","1","3","1") = "7"
    & skf18("8","4","4","7","1","4","1") = "7"
    & skf18("8","4","4","7","1","5","1") = "7"
    & skf18("8","4","4","7","1","6","1") = "7"
    & skf18("8","4","4","7","1","7","1") = "7"
    & skf18("8","4","4","7","1","8","1") = "7"
    & skf18("8","4","4","7","1","9","1") = "8"
    & skf18("8","4","4","7","1","10","1") = "9"
    & skf18("8","4","4","7","2","1","1") = "7"
    & skf18("8","4","4","7","2","2","1") = "7"
    & skf18("8","4","4","7","2","3","1") = "7"
    & skf18("8","4","4","7","2","4","1") = "7"
    & skf18("8","4","4","7","2","5","1") = "7"
    & skf18("8","4","4","7","2","6","1") = "7"
    & skf18("8","4","4","7","2","7","1") = "7"
    & skf18("8","4","4","7","2","8","1") = "7"
    & skf18("8","4","4","7","2","9","1") = "8"
    & skf18("8","4","4","7","2","10","1") = "9"
    & skf18("8","4","4","7","3","1","1") = "7"
    & skf18("8","4","4","7","3","2","1") = "7"
    & skf18("8","4","4","7","3","3","1") = "7"
    & skf18("8","4","4","7","3","4","1") = "7"
    & skf18("8","4","4","7","3","5","1") = "7"
    & skf18("8","4","4","7","3","6","1") = "7"
    & skf18("8","4","4","7","3","7","1") = "7"
    & skf18("8","4","4","7","3","8","1") = "7"
    & skf18("8","4","4","7","3","9","1") = "8"
    & skf18("8","4","4","7","3","10","1") = "9"
    & skf18("8","4","4","7","4","1","1") = "7"
    & skf18("8","4","4","7","4","2","1") = "7"
    & skf18("8","4","4","7","4","3","1") = "7"
    & skf18("8","4","4","7","4","4","1") = "7"
    & skf18("8","4","4","7","4","5","1") = "7"
    & skf18("8","4","4","7","4","6","1") = "7"
    & skf18("8","4","4","7","4","7","1") = "7"
    & skf18("8","4","4","7","4","8","1") = "7"
    & skf18("8","4","4","7","4","9","1") = "8"
    & skf18("8","4","4","7","4","10","1") = "9"
    & skf18("8","4","4","7","5","1","1") = "7"
    & skf18("8","4","4","7","5","2","1") = "7"
    & skf18("8","4","4","7","5","3","1") = "7"
    & skf18("8","4","4","7","5","4","1") = "7"
    & skf18("8","4","4","7","5","5","1") = "7"
    & skf18("8","4","4","7","5","6","1") = "7"
    & skf18("8","4","4","7","5","7","1") = "7"
    & skf18("8","4","4","7","5","8","1") = "7"
    & skf18("8","4","4","7","5","9","1") = "8"
    & skf18("8","4","4","7","5","10","1") = "9"
    & skf18("8","4","4","7","6","1","1") = "7"
    & skf18("8","4","4","7","6","2","1") = "7"
    & skf18("8","4","4","7","6","3","1") = "7"
    & skf18("8","4","4","7","6","4","1") = "7"
    & skf18("8","4","4","7","6","5","1") = "7"
    & skf18("8","4","4","7","6","6","1") = "7"
    & skf18("8","4","4","7","6","7","1") = "7"
    & skf18("8","4","4","7","6","8","1") = "7"
    & skf18("8","4","4","7","6","9","1") = "8"
    & skf18("8","4","4","7","6","10","1") = "9"
    & skf18("8","4","4","7","7","1","1") = "7"
    & skf18("8","4","4","7","7","2","1") = "7"
    & skf18("8","4","4","7","7","3","1") = "7"
    & skf18("8","4","4","7","7","4","1") = "7"
    & skf18("8","4","4","7","7","5","1") = "7"
    & skf18("8","4","4","7","7","6","1") = "7"
    & skf18("8","4","4","7","7","7","1") = "7"
    & skf18("8","4","4","7","7","8","1") = "7"
    & skf18("8","4","4","7","7","9","1") = "8"
    & skf18("8","4","4","7","7","10","1") = "9"
    & skf18("8","4","4","7","8","1","1") = "7"
    & skf18("8","4","4","7","8","2","1") = "7"
    & skf18("8","4","4","7","8","3","1") = "7"
    & skf18("8","4","4","7","8","4","1") = "7"
    & skf18("8","4","4","7","8","5","1") = "7"
    & skf18("8","4","4","7","8","6","1") = "7"
    & skf18("8","4","4","7","8","7","1") = "7"
    & skf18("8","4","4","7","8","8","1") = "7"
    & skf18("8","4","4","7","8","9","1") = "8"
    & skf18("8","4","4","7","8","10","1") = "9"
    & skf18("8","4","4","7","9","1","1") = "8"
    & skf18("8","4","4","7","9","2","1") = "8"
    & skf18("8","4","4","7","9","3","1") = "8"
    & skf18("8","4","4","7","9","4","1") = "8"
    & skf18("8","4","4","7","9","5","1") = "8"
    & skf18("8","4","4","7","9","6","1") = "8"
    & skf18("8","4","4","7","9","7","1") = "8"
    & skf18("8","4","4","7","9","8","1") = "8"
    & skf18("8","4","4","7","9","9","1") = "8"
    & skf18("8","4","4","7","9","10","1") = "9"
    & skf18("8","4","4","7","10","1","1") = "9"
    & skf18("8","4","4","7","10","2","1") = "9"
    & skf18("8","4","4","7","10","3","1") = "9"
    & skf18("8","4","4","7","10","4","1") = "9"
    & skf18("8","4","4","7","10","5","1") = "9"
    & skf18("8","4","4","7","10","6","1") = "9"
    & skf18("8","4","4","7","10","7","1") = "9"
    & skf18("8","4","4","7","10","8","1") = "9"
    & skf18("8","4","4","7","10","9","1") = "9"
    & skf18("8","4","4","7","10","10","1") = "9"
    & skf18("8","4","4","8","1","1","1") = "7"
    & skf18("8","4","4","8","1","2","1") = "7"
    & skf18("8","4","4","8","1","3","1") = "7"
    & skf18("8","4","4","8","1","4","1") = "7"
    & skf18("8","4","4","8","1","5","1") = "7"
    & skf18("8","4","4","8","1","6","1") = "7"
    & skf18("8","4","4","8","1","7","1") = "7"
    & skf18("8","4","4","8","1","8","1") = "7"
    & skf18("8","4","4","8","1","9","1") = "8"
    & skf18("8","4","4","8","1","10","1") = "9"
    & skf18("8","4","4","8","2","1","1") = "7"
    & skf18("8","4","4","8","2","2","1") = "7"
    & skf18("8","4","4","8","2","3","1") = "7"
    & skf18("8","4","4","8","2","4","1") = "7"
    & skf18("8","4","4","8","2","5","1") = "7"
    & skf18("8","4","4","8","2","6","1") = "7"
    & skf18("8","4","4","8","2","7","1") = "7"
    & skf18("8","4","4","8","2","8","1") = "7"
    & skf18("8","4","4","8","2","9","1") = "8"
    & skf18("8","4","4","8","2","10","1") = "9"
    & skf18("8","4","4","8","3","1","1") = "7"
    & skf18("8","4","4","8","3","2","1") = "7"
    & skf18("8","4","4","8","3","3","1") = "7"
    & skf18("8","4","4","8","3","4","1") = "7"
    & skf18("8","4","4","8","3","5","1") = "7"
    & skf18("8","4","4","8","3","6","1") = "7"
    & skf18("8","4","4","8","3","7","1") = "7"
    & skf18("8","4","4","8","3","8","1") = "7"
    & skf18("8","4","4","8","3","9","1") = "8"
    & skf18("8","4","4","8","3","10","1") = "9"
    & skf18("8","4","4","8","4","1","1") = "7"
    & skf18("8","4","4","8","4","2","1") = "7"
    & skf18("8","4","4","8","4","3","1") = "7"
    & skf18("8","4","4","8","4","4","1") = "7"
    & skf18("8","4","4","8","4","5","1") = "7"
    & skf18("8","4","4","8","4","6","1") = "7"
    & skf18("8","4","4","8","4","7","1") = "7"
    & skf18("8","4","4","8","4","8","1") = "7"
    & skf18("8","4","4","8","4","9","1") = "8"
    & skf18("8","4","4","8","4","10","1") = "9"
    & skf18("8","4","4","8","5","1","1") = "7"
    & skf18("8","4","4","8","5","2","1") = "7"
    & skf18("8","4","4","8","5","3","1") = "7"
    & skf18("8","4","4","8","5","4","1") = "7"
    & skf18("8","4","4","8","5","5","1") = "7"
    & skf18("8","4","4","8","5","6","1") = "7"
    & skf18("8","4","4","8","5","7","1") = "7"
    & skf18("8","4","4","8","5","8","1") = "7"
    & skf18("8","4","4","8","5","9","1") = "8"
    & skf18("8","4","4","8","5","10","1") = "9"
    & skf18("8","4","4","8","6","1","1") = "7"
    & skf18("8","4","4","8","6","2","1") = "7"
    & skf18("8","4","4","8","6","3","1") = "7"
    & skf18("8","4","4","8","6","4","1") = "7"
    & skf18("8","4","4","8","6","5","1") = "7"
    & skf18("8","4","4","8","6","6","1") = "7"
    & skf18("8","4","4","8","6","7","1") = "7"
    & skf18("8","4","4","8","6","8","1") = "7"
    & skf18("8","4","4","8","6","9","1") = "8"
    & skf18("8","4","4","8","6","10","1") = "9"
    & skf18("8","4","4","8","7","1","1") = "7"
    & skf18("8","4","4","8","7","2","1") = "7"
    & skf18("8","4","4","8","7","3","1") = "7"
    & skf18("8","4","4","8","7","4","1") = "7"
    & skf18("8","4","4","8","7","5","1") = "7"
    & skf18("8","4","4","8","7","6","1") = "7"
    & skf18("8","4","4","8","7","7","1") = "7"
    & skf18("8","4","4","8","7","8","1") = "7"
    & skf18("8","4","4","8","7","9","1") = "8"
    & skf18("8","4","4","8","7","10","1") = "9"
    & skf18("8","4","4","8","8","1","1") = "7"
    & skf18("8","4","4","8","8","2","1") = "7"
    & skf18("8","4","4","8","8","3","1") = "7"
    & skf18("8","4","4","8","8","4","1") = "7"
    & skf18("8","4","4","8","8","5","1") = "7"
    & skf18("8","4","4","8","8","6","1") = "7"
    & skf18("8","4","4","8","8","7","1") = "7"
    & skf18("8","4","4","8","8","8","1") = "7"
    & skf18("8","4","4","8","8","9","1") = "8"
    & skf18("8","4","4","8","8","10","1") = "9"
    & skf18("8","4","4","8","9","1","1") = "8"
    & skf18("8","4","4","8","9","2","1") = "8"
    & skf18("8","4","4","8","9","3","1") = "8"
    & skf18("8","4","4","8","9","4","1") = "8"
    & skf18("8","4","4","8","9","5","1") = "8"
    & skf18("8","4","4","8","9","6","1") = "8"
    & skf18("8","4","4","8","9","7","1") = "8"
    & skf18("8","4","4","8","9","8","1") = "8"
    & skf18("8","4","4","8","9","9","1") = "8"
    & skf18("8","4","4","8","9","10","1") = "9"
    & skf18("8","4","4","8","10","1","1") = "9"
    & skf18("8","4","4","8","10","2","1") = "9"
    & skf18("8","4","4","8","10","3","1") = "9"
    & skf18("8","4","4","8","10","4","1") = "9"
    & skf18("8","4","4","8","10","5","1") = "9"
    & skf18("8","4","4","8","10","6","1") = "9"
    & skf18("8","4","4","8","10","7","1") = "9"
    & skf18("8","4","4","8","10","8","1") = "9"
    & skf18("8","4","4","8","10","9","1") = "9"
    & skf18("8","4","4","8","10","10","1") = "9"
    & skf18("8","4","4","9","1","1","1") = "8"
    & skf18("8","4","4","9","1","2","1") = "8"
    & skf18("8","4","4","9","1","3","1") = "8"
    & skf18("8","4","4","9","1","4","1") = "8"
    & skf18("8","4","4","9","1","5","1") = "8"
    & skf18("8","4","4","9","1","6","1") = "8"
    & skf18("8","4","4","9","1","7","1") = "8"
    & skf18("8","4","4","9","1","8","1") = "8"
    & skf18("8","4","4","9","1","9","1") = "8"
    & skf18("8","4","4","9","1","10","1") = "9"
    & skf18("8","4","4","9","2","1","1") = "8"
    & skf18("8","4","4","9","2","2","1") = "8"
    & skf18("8","4","4","9","2","3","1") = "8"
    & skf18("8","4","4","9","2","4","1") = "8"
    & skf18("8","4","4","9","2","5","1") = "8"
    & skf18("8","4","4","9","2","6","1") = "8"
    & skf18("8","4","4","9","2","7","1") = "8"
    & skf18("8","4","4","9","2","8","1") = "8"
    & skf18("8","4","4","9","2","9","1") = "8"
    & skf18("8","4","4","9","2","10","1") = "9"
    & skf18("8","4","4","9","3","1","1") = "8"
    & skf18("8","4","4","9","3","2","1") = "8"
    & skf18("8","4","4","9","3","3","1") = "8"
    & skf18("8","4","4","9","3","4","1") = "8"
    & skf18("8","4","4","9","3","5","1") = "8"
    & skf18("8","4","4","9","3","6","1") = "8"
    & skf18("8","4","4","9","3","7","1") = "8"
    & skf18("8","4","4","9","3","8","1") = "8"
    & skf18("8","4","4","9","3","9","1") = "8"
    & skf18("8","4","4","9","3","10","1") = "9"
    & skf18("8","4","4","9","4","1","1") = "8"
    & skf18("8","4","4","9","4","2","1") = "8"
    & skf18("8","4","4","9","4","3","1") = "8"
    & skf18("8","4","4","9","4","4","1") = "8"
    & skf18("8","4","4","9","4","5","1") = "8"
    & skf18("8","4","4","9","4","6","1") = "8"
    & skf18("8","4","4","9","4","7","1") = "8"
    & skf18("8","4","4","9","4","8","1") = "8"
    & skf18("8","4","4","9","4","9","1") = "8"
    & skf18("8","4","4","9","4","10","1") = "9"
    & skf18("8","4","4","9","5","1","1") = "8"
    & skf18("8","4","4","9","5","2","1") = "8"
    & skf18("8","4","4","9","5","3","1") = "8"
    & skf18("8","4","4","9","5","4","1") = "8"
    & skf18("8","4","4","9","5","5","1") = "8"
    & skf18("8","4","4","9","5","6","1") = "8"
    & skf18("8","4","4","9","5","7","1") = "8"
    & skf18("8","4","4","9","5","8","1") = "8"
    & skf18("8","4","4","9","5","9","1") = "8"
    & skf18("8","4","4","9","5","10","1") = "9"
    & skf18("8","4","4","9","6","1","1") = "8"
    & skf18("8","4","4","9","6","2","1") = "8"
    & skf18("8","4","4","9","6","3","1") = "8"
    & skf18("8","4","4","9","6","4","1") = "8"
    & skf18("8","4","4","9","6","5","1") = "8"
    & skf18("8","4","4","9","6","6","1") = "8"
    & skf18("8","4","4","9","6","7","1") = "8"
    & skf18("8","4","4","9","6","8","1") = "8"
    & skf18("8","4","4","9","6","9","1") = "8"
    & skf18("8","4","4","9","6","10","1") = "9"
    & skf18("8","4","4","9","7","1","1") = "8"
    & skf18("8","4","4","9","7","2","1") = "8"
    & skf18("8","4","4","9","7","3","1") = "8"
    & skf18("8","4","4","9","7","4","1") = "8"
    & skf18("8","4","4","9","7","5","1") = "8"
    & skf18("8","4","4","9","7","6","1") = "8"
    & skf18("8","4","4","9","7","7","1") = "8"
    & skf18("8","4","4","9","7","8","1") = "8"
    & skf18("8","4","4","9","7","9","1") = "8"
    & skf18("8","4","4","9","7","10","1") = "9"
    & skf18("8","4","4","9","8","1","1") = "8"
    & skf18("8","4","4","9","8","2","1") = "8"
    & skf18("8","4","4","9","8","3","1") = "8"
    & skf18("8","4","4","9","8","4","1") = "8"
    & skf18("8","4","4","9","8","5","1") = "8"
    & skf18("8","4","4","9","8","6","1") = "8"
    & skf18("8","4","4","9","8","7","1") = "8"
    & skf18("8","4","4","9","8","8","1") = "8"
    & skf18("8","4","4","9","8","9","1") = "8"
    & skf18("8","4","4","9","8","10","1") = "9"
    & skf18("8","4","4","9","9","1","1") = "8"
    & skf18("8","4","4","9","9","2","1") = "8"
    & skf18("8","4","4","9","9","3","1") = "8"
    & skf18("8","4","4","9","9","4","1") = "8"
    & skf18("8","4","4","9","9","5","1") = "8"
    & skf18("8","4","4","9","9","6","1") = "8"
    & skf18("8","4","4","9","9","7","1") = "8"
    & skf18("8","4","4","9","9","8","1") = "8"
    & skf18("8","4","4","9","9","9","1") = "8"
    & skf18("8","4","4","9","9","10","1") = "9"
    & skf18("8","4","4","9","10","1","1") = "9"
    & skf18("8","4","4","9","10","2","1") = "9"
    & skf18("8","4","4","9","10","3","1") = "9"
    & skf18("8","4","4","9","10","4","1") = "9"
    & skf18("8","4","4","9","10","5","1") = "9"
    & skf18("8","4","4","9","10","6","1") = "9"
    & skf18("8","4","4","9","10","7","1") = "9"
    & skf18("8","4","4","9","10","8","1") = "9"
    & skf18("8","4","4","9","10","9","1") = "9"
    & skf18("8","4","4","9","10","10","1") = "9"
    & skf18("8","4","4","10","1","1","1") = "9"
    & skf18("8","4","4","10","1","2","1") = "9"
    & skf18("8","4","4","10","1","3","1") = "9"
    & skf18("8","4","4","10","1","4","1") = "9"
    & skf18("8","4","4","10","1","5","1") = "9"
    & skf18("8","4","4","10","1","6","1") = "9"
    & skf18("8","4","4","10","1","7","1") = "9"
    & skf18("8","4","4","10","1","8","1") = "9"
    & skf18("8","4","4","10","1","9","1") = "9"
    & skf18("8","4","4","10","1","10","1") = "9"
    & skf18("8","4","4","10","2","1","1") = "9"
    & skf18("8","4","4","10","2","2","1") = "9"
    & skf18("8","4","4","10","2","3","1") = "9"
    & skf18("8","4","4","10","2","4","1") = "9"
    & skf18("8","4","4","10","2","5","1") = "9"
    & skf18("8","4","4","10","2","6","1") = "9"
    & skf18("8","4","4","10","2","7","1") = "9"
    & skf18("8","4","4","10","2","8","1") = "9"
    & skf18("8","4","4","10","2","9","1") = "9"
    & skf18("8","4","4","10","2","10","1") = "9"
    & skf18("8","4","4","10","3","1","1") = "9"
    & skf18("8","4","4","10","3","2","1") = "9"
    & skf18("8","4","4","10","3","3","1") = "9"
    & skf18("8","4","4","10","3","4","1") = "9"
    & skf18("8","4","4","10","3","5","1") = "9"
    & skf18("8","4","4","10","3","6","1") = "9"
    & skf18("8","4","4","10","3","7","1") = "9"
    & skf18("8","4","4","10","3","8","1") = "9"
    & skf18("8","4","4","10","3","9","1") = "9"
    & skf18("8","4","4","10","3","10","1") = "9"
    & skf18("8","4","4","10","4","1","1") = "9"
    & skf18("8","4","4","10","4","2","1") = "9"
    & skf18("8","4","4","10","4","3","1") = "9"
    & skf18("8","4","4","10","4","4","1") = "9"
    & skf18("8","4","4","10","4","5","1") = "9"
    & skf18("8","4","4","10","4","6","1") = "9"
    & skf18("8","4","4","10","4","7","1") = "9"
    & skf18("8","4","4","10","4","8","1") = "9"
    & skf18("8","4","4","10","4","9","1") = "9"
    & skf18("8","4","4","10","4","10","1") = "9"
    & skf18("8","4","4","10","5","1","1") = "9"
    & skf18("8","4","4","10","5","2","1") = "9"
    & skf18("8","4","4","10","5","3","1") = "9"
    & skf18("8","4","4","10","5","4","1") = "9"
    & skf18("8","4","4","10","5","5","1") = "9"
    & skf18("8","4","4","10","5","6","1") = "9"
    & skf18("8","4","4","10","5","7","1") = "9"
    & skf18("8","4","4","10","5","8","1") = "9"
    & skf18("8","4","4","10","5","9","1") = "9"
    & skf18("8","4","4","10","5","10","1") = "9"
    & skf18("8","4","4","10","6","1","1") = "9"
    & skf18("8","4","4","10","6","2","1") = "9"
    & skf18("8","4","4","10","6","3","1") = "9"
    & skf18("8","4","4","10","6","4","1") = "9"
    & skf18("8","4","4","10","6","5","1") = "9"
    & skf18("8","4","4","10","6","6","1") = "9"
    & skf18("8","4","4","10","6","7","1") = "9"
    & skf18("8","4","4","10","6","8","1") = "9"
    & skf18("8","4","4","10","6","9","1") = "9"
    & skf18("8","4","4","10","6","10","1") = "9"
    & skf18("8","4","4","10","7","1","1") = "9"
    & skf18("8","4","4","10","7","2","1") = "9"
    & skf18("8","4","4","10","7","3","1") = "9"
    & skf18("8","4","4","10","7","4","1") = "9"
    & skf18("8","4","4","10","7","5","1") = "9"
    & skf18("8","4","4","10","7","6","1") = "9"
    & skf18("8","4","4","10","7","7","1") = "9"
    & skf18("8","4","4","10","7","8","1") = "9"
    & skf18("8","4","4","10","7","9","1") = "9"
    & skf18("8","4","4","10","7","10","1") = "9"
    & skf18("8","4","4","10","8","1","1") = "9"
    & skf18("8","4","4","10","8","2","1") = "9"
    & skf18("8","4","4","10","8","3","1") = "9"
    & skf18("8","4","4","10","8","4","1") = "9"
    & skf18("8","4","4","10","8","5","1") = "9"
    & skf18("8","4","4","10","8","6","1") = "9"
    & skf18("8","4","4","10","8","7","1") = "9"
    & skf18("8","4","4","10","8","8","1") = "9"
    & skf18("8","4","4","10","8","9","1") = "9"
    & skf18("8","4","4","10","8","10","1") = "9"
    & skf18("8","4","4","10","9","1","1") = "9"
    & skf18("8","4","4","10","9","2","1") = "9"
    & skf18("8","4","4","10","9","3","1") = "9"
    & skf18("8","4","4","10","9","4","1") = "9"
    & skf18("8","4","4","10","9","5","1") = "9"
    & skf18("8","4","4","10","9","6","1") = "9"
    & skf18("8","4","4","10","9","7","1") = "9"
    & skf18("8","4","4","10","9","8","1") = "9"
    & skf18("8","4","4","10","9","9","1") = "9"
    & skf18("8","4","4","10","9","10","1") = "9"
    & skf18("8","4","4","10","10","1","1") = "9"
    & skf18("8","4","4","10","10","2","1") = "9"
    & skf18("8","4","4","10","10","3","1") = "9"
    & skf18("8","4","4","10","10","4","1") = "9"
    & skf18("8","4","4","10","10","5","1") = "9"
    & skf18("8","4","4","10","10","6","1") = "9"
    & skf18("8","4","4","10","10","7","1") = "9"
    & skf18("8","4","4","10","10","8","1") = "9"
    & skf18("8","4","4","10","10","9","1") = "9"
    & skf18("8","4","4","10","10","10","1") = "9"
    & skf18("8","4","5","1","1","1","1") = "7"
    & skf18("8","4","5","1","1","2","1") = "7"
    & skf18("8","4","5","1","1","3","1") = "7"
    & skf18("8","4","5","1","1","4","1") = "7"
    & skf18("8","4","5","1","1","5","1") = "7"
    & skf18("8","4","5","1","1","6","1") = "7"
    & skf18("8","4","5","1","1","7","1") = "7"
    & skf18("8","4","5","1","1","8","1") = "7"
    & skf18("8","4","5","1","1","9","1") = "8"
    & skf18("8","4","5","1","1","10","1") = "9"
    & skf18("8","4","5","1","2","1","1") = "7"
    & skf18("8","4","5","1","2","2","1") = "7"
    & skf18("8","4","5","1","2","3","1") = "7"
    & skf18("8","4","5","1","2","4","1") = "7"
    & skf18("8","4","5","1","2","5","1") = "7"
    & skf18("8","4","5","1","2","6","1") = "7"
    & skf18("8","4","5","1","2","7","1") = "7"
    & skf18("8","4","5","1","2","8","1") = "7"
    & skf18("8","4","5","1","2","9","1") = "8"
    & skf18("8","4","5","1","2","10","1") = "9"
    & skf18("8","4","5","1","3","1","1") = "7"
    & skf18("8","4","5","1","3","2","1") = "7"
    & skf18("8","4","5","1","3","3","1") = "7"
    & skf18("8","4","5","1","3","4","1") = "7"
    & skf18("8","4","5","1","3","5","1") = "7"
    & skf18("8","4","5","1","3","6","1") = "7"
    & skf18("8","4","5","1","3","7","1") = "7"
    & skf18("8","4","5","1","3","8","1") = "7"
    & skf18("8","4","5","1","3","9","1") = "8"
    & skf18("8","4","5","1","3","10","1") = "9"
    & skf18("8","4","5","1","4","1","1") = "7"
    & skf18("8","4","5","1","4","2","1") = "7"
    & skf18("8","4","5","1","4","3","1") = "7"
    & skf18("8","4","5","1","4","4","1") = "7"
    & skf18("8","4","5","1","4","5","1") = "7"
    & skf18("8","4","5","1","4","6","1") = "7"
    & skf18("8","4","5","1","4","7","1") = "7"
    & skf18("8","4","5","1","4","8","1") = "7"
    & skf18("8","4","5","1","4","9","1") = "8"
    & skf18("8","4","5","1","4","10","1") = "9"
    & skf18("8","4","5","1","5","1","1") = "7"
    & skf18("8","4","5","1","5","2","1") = "7"
    & skf18("8","4","5","1","5","3","1") = "7"
    & skf18("8","4","5","1","5","4","1") = "7"
    & skf18("8","4","5","1","5","5","1") = "7"
    & skf18("8","4","5","1","5","6","1") = "7"
    & skf18("8","4","5","1","5","7","1") = "7"
    & skf18("8","4","5","1","5","8","1") = "7"
    & skf18("8","4","5","1","5","9","1") = "8"
    & skf18("8","4","5","1","5","10","1") = "9"
    & skf18("8","4","5","1","6","1","1") = "7"
    & skf18("8","4","5","1","6","2","1") = "7"
    & skf18("8","4","5","1","6","3","1") = "7"
    & skf18("8","4","5","1","6","4","1") = "7"
    & skf18("8","4","5","1","6","5","1") = "7"
    & skf18("8","4","5","1","6","6","1") = "7"
    & skf18("8","4","5","1","6","7","1") = "7"
    & skf18("8","4","5","1","6","8","1") = "7"
    & skf18("8","4","5","1","6","9","1") = "8"
    & skf18("8","4","5","1","6","10","1") = "9"
    & skf18("8","4","5","1","7","1","1") = "7"
    & skf18("8","4","5","1","7","2","1") = "7"
    & skf18("8","4","5","1","7","3","1") = "7"
    & skf18("8","4","5","1","7","4","1") = "7"
    & skf18("8","4","5","1","7","5","1") = "7"
    & skf18("8","4","5","1","7","6","1") = "7"
    & skf18("8","4","5","1","7","7","1") = "7"
    & skf18("8","4","5","1","7","8","1") = "7"
    & skf18("8","4","5","1","7","9","1") = "8"
    & skf18("8","4","5","1","7","10","1") = "9"
    & skf18("8","4","5","1","8","1","1") = "7"
    & skf18("8","4","5","1","8","2","1") = "7"
    & skf18("8","4","5","1","8","3","1") = "7"
    & skf18("8","4","5","1","8","4","1") = "7"
    & skf18("8","4","5","1","8","5","1") = "7"
    & skf18("8","4","5","1","8","6","1") = "7"
    & skf18("8","4","5","1","8","7","1") = "7"
    & skf18("8","4","5","1","8","8","1") = "7"
    & skf18("8","4","5","1","8","9","1") = "8"
    & skf18("8","4","5","1","8","10","1") = "9"
    & skf18("8","4","5","1","9","1","1") = "8"
    & skf18("8","4","5","1","9","2","1") = "8"
    & skf18("8","4","5","1","9","3","1") = "8"
    & skf18("8","4","5","1","9","4","1") = "8"
    & skf18("8","4","5","1","9","5","1") = "8"
    & skf18("8","4","5","1","9","6","1") = "8"
    & skf18("8","4","5","1","9","7","1") = "8"
    & skf18("8","4","5","1","9","8","1") = "8"
    & skf18("8","4","5","1","9","9","1") = "8"
    & skf18("8","4","5","1","9","10","1") = "9"
    & skf18("8","4","5","1","10","1","1") = "9"
    & skf18("8","4","5","1","10","2","1") = "9"
    & skf18("8","4","5","1","10","3","1") = "9"
    & skf18("8","4","5","1","10","4","1") = "9"
    & skf18("8","4","5","1","10","5","1") = "9"
    & skf18("8","4","5","1","10","6","1") = "9"
    & skf18("8","4","5","1","10","7","1") = "9"
    & skf18("8","4","5","1","10","8","1") = "9"
    & skf18("8","4","5","1","10","9","1") = "9"
    & skf18("8","4","5","1","10","10","1") = "9"
    & skf18("8","4","5","2","1","1","1") = "7"
    & skf18("8","4","5","2","1","2","1") = "7"
    & skf18("8","4","5","2","1","3","1") = "7"
    & skf18("8","4","5","2","1","4","1") = "7"
    & skf18("8","4","5","2","1","5","1") = "7"
    & skf18("8","4","5","2","1","6","1") = "7"
    & skf18("8","4","5","2","1","7","1") = "7"
    & skf18("8","4","5","2","1","8","1") = "7"
    & skf18("8","4","5","2","1","9","1") = "8"
    & skf18("8","4","5","2","1","10","1") = "9"
    & skf18("8","4","5","2","2","1","1") = "7"
    & skf18("8","4","5","2","2","2","1") = "7"
    & skf18("8","4","5","2","2","3","1") = "7"
    & skf18("8","4","5","2","2","4","1") = "7"
    & skf18("8","4","5","2","2","5","1") = "7"
    & skf18("8","4","5","2","2","6","1") = "7"
    & skf18("8","4","5","2","2","7","1") = "7"
    & skf18("8","4","5","2","2","8","1") = "7"
    & skf18("8","4","5","2","2","9","1") = "8"
    & skf18("8","4","5","2","2","10","1") = "9"
    & skf18("8","4","5","2","3","1","1") = "7"
    & skf18("8","4","5","2","3","2","1") = "7"
    & skf18("8","4","5","2","3","3","1") = "7"
    & skf18("8","4","5","2","3","4","1") = "7"
    & skf18("8","4","5","2","3","5","1") = "7"
    & skf18("8","4","5","2","3","6","1") = "7"
    & skf18("8","4","5","2","3","7","1") = "7"
    & skf18("8","4","5","2","3","8","1") = "7"
    & skf18("8","4","5","2","3","9","1") = "8"
    & skf18("8","4","5","2","3","10","1") = "9"
    & skf18("8","4","5","2","4","1","1") = "7"
    & skf18("8","4","5","2","4","2","1") = "7"
    & skf18("8","4","5","2","4","3","1") = "7"
    & skf18("8","4","5","2","4","4","1") = "7"
    & skf18("8","4","5","2","4","5","1") = "7"
    & skf18("8","4","5","2","4","6","1") = "7"
    & skf18("8","4","5","2","4","7","1") = "7"
    & skf18("8","4","5","2","4","8","1") = "7"
    & skf18("8","4","5","2","4","9","1") = "8"
    & skf18("8","4","5","2","4","10","1") = "9"
    & skf18("8","4","5","2","5","1","1") = "7"
    & skf18("8","4","5","2","5","2","1") = "7"
    & skf18("8","4","5","2","5","3","1") = "7"
    & skf18("8","4","5","2","5","4","1") = "7"
    & skf18("8","4","5","2","5","5","1") = "7"
    & skf18("8","4","5","2","5","6","1") = "7"
    & skf18("8","4","5","2","5","7","1") = "7"
    & skf18("8","4","5","2","5","8","1") = "7"
    & skf18("8","4","5","2","5","9","1") = "8"
    & skf18("8","4","5","2","5","10","1") = "9"
    & skf18("8","4","5","2","6","1","1") = "7"
    & skf18("8","4","5","2","6","2","1") = "7"
    & skf18("8","4","5","2","6","3","1") = "7"
    & skf18("8","4","5","2","6","4","1") = "7"
    & skf18("8","4","5","2","6","5","1") = "7"
    & skf18("8","4","5","2","6","6","1") = "7"
    & skf18("8","4","5","2","6","7","1") = "7"
    & skf18("8","4","5","2","6","8","1") = "7"
    & skf18("8","4","5","2","6","9","1") = "8"
    & skf18("8","4","5","2","6","10","1") = "9"
    & skf18("8","4","5","2","7","1","1") = "7"
    & skf18("8","4","5","2","7","2","1") = "7"
    & skf18("8","4","5","2","7","3","1") = "7"
    & skf18("8","4","5","2","7","4","1") = "7"
    & skf18("8","4","5","2","7","5","1") = "7"
    & skf18("8","4","5","2","7","6","1") = "7"
    & skf18("8","4","5","2","7","7","1") = "7"
    & skf18("8","4","5","2","7","8","1") = "7"
    & skf18("8","4","5","2","7","9","1") = "8"
    & skf18("8","4","5","2","7","10","1") = "9"
    & skf18("8","4","5","2","8","1","1") = "7"
    & skf18("8","4","5","2","8","2","1") = "7"
    & skf18("8","4","5","2","8","3","1") = "7"
    & skf18("8","4","5","2","8","4","1") = "7"
    & skf18("8","4","5","2","8","5","1") = "7"
    & skf18("8","4","5","2","8","6","1") = "7"
    & skf18("8","4","5","2","8","7","1") = "7"
    & skf18("8","4","5","2","8","8","1") = "7"
    & skf18("8","4","5","2","8","9","1") = "8"
    & skf18("8","4","5","2","8","10","1") = "9"
    & skf18("8","4","5","2","9","1","1") = "8"
    & skf18("8","4","5","2","9","2","1") = "8"
    & skf18("8","4","5","2","9","3","1") = "8"
    & skf18("8","4","5","2","9","4","1") = "8"
    & skf18("8","4","5","2","9","5","1") = "8"
    & skf18("8","4","5","2","9","6","1") = "8"
    & skf18("8","4","5","2","9","7","1") = "8"
    & skf18("8","4","5","2","9","8","1") = "8"
    & skf18("8","4","5","2","9","9","1") = "8"
    & skf18("8","4","5","2","9","10","1") = "9"
    & skf18("8","4","5","2","10","1","1") = "9"
    & skf18("8","4","5","2","10","2","1") = "9"
    & skf18("8","4","5","2","10","3","1") = "9"
    & skf18("8","4","5","2","10","4","1") = "9"
    & skf18("8","4","5","2","10","5","1") = "9"
    & skf18("8","4","5","2","10","6","1") = "9"
    & skf18("8","4","5","2","10","7","1") = "9"
    & skf18("8","4","5","2","10","8","1") = "9"
    & skf18("8","4","5","2","10","9","1") = "9"
    & skf18("8","4","5","2","10","10","1") = "9"
    & skf18("8","4","5","3","1","1","1") = "7"
    & skf18("8","4","5","3","1","2","1") = "7"
    & skf18("8","4","5","3","1","3","1") = "7"
    & skf18("8","4","5","3","1","4","1") = "7"
    & skf18("8","4","5","3","1","5","1") = "7"
    & skf18("8","4","5","3","1","6","1") = "7"
    & skf18("8","4","5","3","1","7","1") = "7"
    & skf18("8","4","5","3","1","8","1") = "7"
    & skf18("8","4","5","3","1","9","1") = "8"
    & skf18("8","4","5","3","1","10","1") = "9"
    & skf18("8","4","5","3","2","1","1") = "7"
    & skf18("8","4","5","3","2","2","1") = "7"
    & skf18("8","4","5","3","2","3","1") = "7"
    & skf18("8","4","5","3","2","4","1") = "7"
    & skf18("8","4","5","3","2","5","1") = "7"
    & skf18("8","4","5","3","2","6","1") = "7"
    & skf18("8","4","5","3","2","7","1") = "7"
    & skf18("8","4","5","3","2","8","1") = "7"
    & skf18("8","4","5","3","2","9","1") = "8"
    & skf18("8","4","5","3","2","10","1") = "9"
    & skf18("8","4","5","3","3","1","1") = "7"
    & skf18("8","4","5","3","3","2","1") = "7"
    & skf18("8","4","5","3","3","3","1") = "7"
    & skf18("8","4","5","3","3","4","1") = "7"
    & skf18("8","4","5","3","3","5","1") = "7"
    & skf18("8","4","5","3","3","6","1") = "7"
    & skf18("8","4","5","3","3","7","1") = "7"
    & skf18("8","4","5","3","3","8","1") = "7"
    & skf18("8","4","5","3","3","9","1") = "8"
    & skf18("8","4","5","3","3","10","1") = "9"
    & skf18("8","4","5","3","4","1","1") = "7"
    & skf18("8","4","5","3","4","2","1") = "7"
    & skf18("8","4","5","3","4","3","1") = "7"
    & skf18("8","4","5","3","4","4","1") = "7"
    & skf18("8","4","5","3","4","5","1") = "7"
    & skf18("8","4","5","3","4","6","1") = "7"
    & skf18("8","4","5","3","4","7","1") = "7"
    & skf18("8","4","5","3","4","8","1") = "7"
    & skf18("8","4","5","3","4","9","1") = "8"
    & skf18("8","4","5","3","4","10","1") = "9"
    & skf18("8","4","5","3","5","1","1") = "7"
    & skf18("8","4","5","3","5","2","1") = "7"
    & skf18("8","4","5","3","5","3","1") = "7"
    & skf18("8","4","5","3","5","4","1") = "7"
    & skf18("8","4","5","3","5","5","1") = "7"
    & skf18("8","4","5","3","5","6","1") = "7"
    & skf18("8","4","5","3","5","7","1") = "7"
    & skf18("8","4","5","3","5","8","1") = "7"
    & skf18("8","4","5","3","5","9","1") = "8"
    & skf18("8","4","5","3","5","10","1") = "9"
    & skf18("8","4","5","3","6","1","1") = "7"
    & skf18("8","4","5","3","6","2","1") = "7"
    & skf18("8","4","5","3","6","3","1") = "7"
    & skf18("8","4","5","3","6","4","1") = "7"
    & skf18("8","4","5","3","6","5","1") = "7"
    & skf18("8","4","5","3","6","6","1") = "7"
    & skf18("8","4","5","3","6","7","1") = "7"
    & skf18("8","4","5","3","6","8","1") = "7"
    & skf18("8","4","5","3","6","9","1") = "8"
    & skf18("8","4","5","3","6","10","1") = "9"
    & skf18("8","4","5","3","7","1","1") = "7"
    & skf18("8","4","5","3","7","2","1") = "7"
    & skf18("8","4","5","3","7","3","1") = "7"
    & skf18("8","4","5","3","7","4","1") = "7"
    & skf18("8","4","5","3","7","5","1") = "7"
    & skf18("8","4","5","3","7","6","1") = "7"
    & skf18("8","4","5","3","7","7","1") = "7"
    & skf18("8","4","5","3","7","8","1") = "7"
    & skf18("8","4","5","3","7","9","1") = "8"
    & skf18("8","4","5","3","7","10","1") = "9"
    & skf18("8","4","5","3","8","1","1") = "7"
    & skf18("8","4","5","3","8","2","1") = "7"
    & skf18("8","4","5","3","8","3","1") = "7"
    & skf18("8","4","5","3","8","4","1") = "7"
    & skf18("8","4","5","3","8","5","1") = "7"
    & skf18("8","4","5","3","8","6","1") = "7"
    & skf18("8","4","5","3","8","7","1") = "7"
    & skf18("8","4","5","3","8","8","1") = "7"
    & skf18("8","4","5","3","8","9","1") = "8"
    & skf18("8","4","5","3","8","10","1") = "9"
    & skf18("8","4","5","3","9","1","1") = "8"
    & skf18("8","4","5","3","9","2","1") = "8"
    & skf18("8","4","5","3","9","3","1") = "8"
    & skf18("8","4","5","3","9","4","1") = "8"
    & skf18("8","4","5","3","9","5","1") = "8"
    & skf18("8","4","5","3","9","6","1") = "8"
    & skf18("8","4","5","3","9","7","1") = "8"
    & skf18("8","4","5","3","9","8","1") = "8"
    & skf18("8","4","5","3","9","9","1") = "8"
    & skf18("8","4","5","3","9","10","1") = "9"
    & skf18("8","4","5","3","10","1","1") = "9"
    & skf18("8","4","5","3","10","2","1") = "9"
    & skf18("8","4","5","3","10","3","1") = "9"
    & skf18("8","4","5","3","10","4","1") = "9"
    & skf18("8","4","5","3","10","5","1") = "9"
    & skf18("8","4","5","3","10","6","1") = "9"
    & skf18("8","4","5","3","10","7","1") = "9"
    & skf18("8","4","5","3","10","8","1") = "9"
    & skf18("8","4","5","3","10","9","1") = "9"
    & skf18("8","4","5","3","10","10","1") = "9"
    & skf18("8","4","5","4","1","1","1") = "7"
    & skf18("8","4","5","4","1","2","1") = "7"
    & skf18("8","4","5","4","1","3","1") = "7"
    & skf18("8","4","5","4","1","4","1") = "7"
    & skf18("8","4","5","4","1","5","1") = "7"
    & skf18("8","4","5","4","1","6","1") = "7"
    & skf18("8","4","5","4","1","7","1") = "7"
    & skf18("8","4","5","4","1","8","1") = "7"
    & skf18("8","4","5","4","1","9","1") = "8"
    & skf18("8","4","5","4","1","10","1") = "9"
    & skf18("8","4","5","4","2","1","1") = "7"
    & skf18("8","4","5","4","2","2","1") = "7"
    & skf18("8","4","5","4","2","3","1") = "7"
    & skf18("8","4","5","4","2","4","1") = "7"
    & skf18("8","4","5","4","2","5","1") = "7"
    & skf18("8","4","5","4","2","6","1") = "7"
    & skf18("8","4","5","4","2","7","1") = "7"
    & skf18("8","4","5","4","2","8","1") = "7"
    & skf18("8","4","5","4","2","9","1") = "8"
    & skf18("8","4","5","4","2","10","1") = "9"
    & skf18("8","4","5","4","3","1","1") = "7"
    & skf18("8","4","5","4","3","2","1") = "7"
    & skf18("8","4","5","4","3","3","1") = "7"
    & skf18("8","4","5","4","3","4","1") = "7"
    & skf18("8","4","5","4","3","5","1") = "7"
    & skf18("8","4","5","4","3","6","1") = "7"
    & skf18("8","4","5","4","3","7","1") = "7"
    & skf18("8","4","5","4","3","8","1") = "7"
    & skf18("8","4","5","4","3","9","1") = "8"
    & skf18("8","4","5","4","3","10","1") = "9"
    & skf18("8","4","5","4","4","1","1") = "7"
    & skf18("8","4","5","4","4","2","1") = "7"
    & skf18("8","4","5","4","4","3","1") = "7"
    & skf18("8","4","5","4","4","4","1") = "7"
    & skf18("8","4","5","4","4","5","1") = "7"
    & skf18("8","4","5","4","4","6","1") = "7"
    & skf18("8","4","5","4","4","7","1") = "7"
    & skf18("8","4","5","4","4","8","1") = "7"
    & skf18("8","4","5","4","4","9","1") = "8"
    & skf18("8","4","5","4","4","10","1") = "9"
    & skf18("8","4","5","4","5","1","1") = "7"
    & skf18("8","4","5","4","5","2","1") = "7"
    & skf18("8","4","5","4","5","3","1") = "7"
    & skf18("8","4","5","4","5","4","1") = "7"
    & skf18("8","4","5","4","5","5","1") = "7"
    & skf18("8","4","5","4","5","6","1") = "7"
    & skf18("8","4","5","4","5","7","1") = "7"
    & skf18("8","4","5","4","5","8","1") = "7"
    & skf18("8","4","5","4","5","9","1") = "8"
    & skf18("8","4","5","4","5","10","1") = "9"
    & skf18("8","4","5","4","6","1","1") = "7"
    & skf18("8","4","5","4","6","2","1") = "7"
    & skf18("8","4","5","4","6","3","1") = "7"
    & skf18("8","4","5","4","6","4","1") = "7"
    & skf18("8","4","5","4","6","5","1") = "7"
    & skf18("8","4","5","4","6","6","1") = "7"
    & skf18("8","4","5","4","6","7","1") = "7"
    & skf18("8","4","5","4","6","8","1") = "7"
    & skf18("8","4","5","4","6","9","1") = "8"
    & skf18("8","4","5","4","6","10","1") = "9"
    & skf18("8","4","5","4","7","1","1") = "7"
    & skf18("8","4","5","4","7","2","1") = "7"
    & skf18("8","4","5","4","7","3","1") = "7"
    & skf18("8","4","5","4","7","4","1") = "7"
    & skf18("8","4","5","4","7","5","1") = "7"
    & skf18("8","4","5","4","7","6","1") = "7"
    & skf18("8","4","5","4","7","7","1") = "7"
    & skf18("8","4","5","4","7","8","1") = "7"
    & skf18("8","4","5","4","7","9","1") = "8"
    & skf18("8","4","5","4","7","10","1") = "9"
    & skf18("8","4","5","4","8","1","1") = "7"
    & skf18("8","4","5","4","8","2","1") = "7"
    & skf18("8","4","5","4","8","3","1") = "7"
    & skf18("8","4","5","4","8","4","1") = "7"
    & skf18("8","4","5","4","8","5","1") = "7"
    & skf18("8","4","5","4","8","6","1") = "7"
    & skf18("8","4","5","4","8","7","1") = "7"
    & skf18("8","4","5","4","8","8","1") = "7"
    & skf18("8","4","5","4","8","9","1") = "8"
    & skf18("8","4","5","4","8","10","1") = "9"
    & skf18("8","4","5","4","9","1","1") = "8"
    & skf18("8","4","5","4","9","2","1") = "8"
    & skf18("8","4","5","4","9","3","1") = "8"
    & skf18("8","4","5","4","9","4","1") = "8"
    & skf18("8","4","5","4","9","5","1") = "8"
    & skf18("8","4","5","4","9","6","1") = "8"
    & skf18("8","4","5","4","9","7","1") = "8"
    & skf18("8","4","5","4","9","8","1") = "8"
    & skf18("8","4","5","4","9","9","1") = "8"
    & skf18("8","4","5","4","9","10","1") = "9"
    & skf18("8","4","5","4","10","1","1") = "9"
    & skf18("8","4","5","4","10","2","1") = "9"
    & skf18("8","4","5","4","10","3","1") = "9"
    & skf18("8","4","5","4","10","4","1") = "9"
    & skf18("8","4","5","4","10","5","1") = "9"
    & skf18("8","4","5","4","10","6","1") = "9"
    & skf18("8","4","5","4","10","7","1") = "9"
    & skf18("8","4","5","4","10","8","1") = "9"
    & skf18("8","4","5","4","10","9","1") = "9"
    & skf18("8","4","5","4","10","10","1") = "9"
    & skf18("8","4","5","5","1","1","1") = "7"
    & skf18("8","4","5","5","1","2","1") = "7"
    & skf18("8","4","5","5","1","3","1") = "7"
    & skf18("8","4","5","5","1","4","1") = "7"
    & skf18("8","4","5","5","1","5","1") = "7"
    & skf18("8","4","5","5","1","6","1") = "7"
    & skf18("8","4","5","5","1","7","1") = "7"
    & skf18("8","4","5","5","1","8","1") = "7"
    & skf18("8","4","5","5","1","9","1") = "8"
    & skf18("8","4","5","5","1","10","1") = "9"
    & skf18("8","4","5","5","2","1","1") = "7"
    & skf18("8","4","5","5","2","2","1") = "7"
    & skf18("8","4","5","5","2","3","1") = "7"
    & skf18("8","4","5","5","2","4","1") = "7"
    & skf18("8","4","5","5","2","5","1") = "7"
    & skf18("8","4","5","5","2","6","1") = "7"
    & skf18("8","4","5","5","2","7","1") = "7"
    & skf18("8","4","5","5","2","8","1") = "7"
    & skf18("8","4","5","5","2","9","1") = "8"
    & skf18("8","4","5","5","2","10","1") = "9"
    & skf18("8","4","5","5","3","1","1") = "7"
    & skf18("8","4","5","5","3","2","1") = "7"
    & skf18("8","4","5","5","3","3","1") = "7"
    & skf18("8","4","5","5","3","4","1") = "7"
    & skf18("8","4","5","5","3","5","1") = "7"
    & skf18("8","4","5","5","3","6","1") = "7"
    & skf18("8","4","5","5","3","7","1") = "7"
    & skf18("8","4","5","5","3","8","1") = "7"
    & skf18("8","4","5","5","3","9","1") = "8"
    & skf18("8","4","5","5","3","10","1") = "9"
    & skf18("8","4","5","5","4","1","1") = "7"
    & skf18("8","4","5","5","4","2","1") = "7"
    & skf18("8","4","5","5","4","3","1") = "7"
    & skf18("8","4","5","5","4","4","1") = "7"
    & skf18("8","4","5","5","4","5","1") = "7"
    & skf18("8","4","5","5","4","6","1") = "7"
    & skf18("8","4","5","5","4","7","1") = "7"
    & skf18("8","4","5","5","4","8","1") = "7"
    & skf18("8","4","5","5","4","9","1") = "8"
    & skf18("8","4","5","5","4","10","1") = "9"
    & skf18("8","4","5","5","5","1","1") = "7"
    & skf18("8","4","5","5","5","2","1") = "7"
    & skf18("8","4","5","5","5","3","1") = "7"
    & skf18("8","4","5","5","5","4","1") = "7"
    & skf18("8","4","5","5","5","5","1") = "7"
    & skf18("8","4","5","5","5","6","1") = "7"
    & skf18("8","4","5","5","5","7","1") = "7"
    & skf18("8","4","5","5","5","8","1") = "7"
    & skf18("8","4","5","5","5","9","1") = "8"
    & skf18("8","4","5","5","5","10","1") = "9"
    & skf18("8","4","5","5","6","1","1") = "7"
    & skf18("8","4","5","5","6","2","1") = "7"
    & skf18("8","4","5","5","6","3","1") = "7"
    & skf18("8","4","5","5","6","4","1") = "7"
    & skf18("8","4","5","5","6","5","1") = "7"
    & skf18("8","4","5","5","6","6","1") = "7"
    & skf18("8","4","5","5","6","7","1") = "7"
    & skf18("8","4","5","5","6","8","1") = "7"
    & skf18("8","4","5","5","6","9","1") = "8"
    & skf18("8","4","5","5","6","10","1") = "9"
    & skf18("8","4","5","5","7","1","1") = "7"
    & skf18("8","4","5","5","7","2","1") = "7"
    & skf18("8","4","5","5","7","3","1") = "7"
    & skf18("8","4","5","5","7","4","1") = "7"
    & skf18("8","4","5","5","7","5","1") = "7"
    & skf18("8","4","5","5","7","6","1") = "7"
    & skf18("8","4","5","5","7","7","1") = "7"
    & skf18("8","4","5","5","7","8","1") = "7"
    & skf18("8","4","5","5","7","9","1") = "8"
    & skf18("8","4","5","5","7","10","1") = "9"
    & skf18("8","4","5","5","8","1","1") = "7"
    & skf18("8","4","5","5","8","2","1") = "7"
    & skf18("8","4","5","5","8","3","1") = "7"
    & skf18("8","4","5","5","8","4","1") = "7"
    & skf18("8","4","5","5","8","5","1") = "7"
    & skf18("8","4","5","5","8","6","1") = "7"
    & skf18("8","4","5","5","8","7","1") = "7"
    & skf18("8","4","5","5","8","8","1") = "7"
    & skf18("8","4","5","5","8","9","1") = "8"
    & skf18("8","4","5","5","8","10","1") = "9"
    & skf18("8","4","5","5","9","1","1") = "8"
    & skf18("8","4","5","5","9","2","1") = "8"
    & skf18("8","4","5","5","9","3","1") = "8"
    & skf18("8","4","5","5","9","4","1") = "8"
    & skf18("8","4","5","5","9","5","1") = "8"
    & skf18("8","4","5","5","9","6","1") = "8"
    & skf18("8","4","5","5","9","7","1") = "8"
    & skf18("8","4","5","5","9","8","1") = "8"
    & skf18("8","4","5","5","9","9","1") = "8"
    & skf18("8","4","5","5","9","10","1") = "9"
    & skf18("8","4","5","5","10","1","1") = "9"
    & skf18("8","4","5","5","10","2","1") = "9"
    & skf18("8","4","5","5","10","3","1") = "9"
    & skf18("8","4","5","5","10","4","1") = "9"
    & skf18("8","4","5","5","10","5","1") = "9"
    & skf18("8","4","5","5","10","6","1") = "9"
    & skf18("8","4","5","5","10","7","1") = "9"
    & skf18("8","4","5","5","10","8","1") = "9"
    & skf18("8","4","5","5","10","9","1") = "9"
    & skf18("8","4","5","5","10","10","1") = "9"
    & skf18("8","4","5","6","1","1","1") = "7"
    & skf18("8","4","5","6","1","2","1") = "7"
    & skf18("8","4","5","6","1","3","1") = "7"
    & skf18("8","4","5","6","1","4","1") = "7"
    & skf18("8","4","5","6","1","5","1") = "7"
    & skf18("8","4","5","6","1","6","1") = "7"
    & skf18("8","4","5","6","1","7","1") = "7"
    & skf18("8","4","5","6","1","8","1") = "7"
    & skf18("8","4","5","6","1","9","1") = "8"
    & skf18("8","4","5","6","1","10","1") = "9"
    & skf18("8","4","5","6","2","1","1") = "7"
    & skf18("8","4","5","6","2","2","1") = "7"
    & skf18("8","4","5","6","2","3","1") = "7"
    & skf18("8","4","5","6","2","4","1") = "7"
    & skf18("8","4","5","6","2","5","1") = "7"
    & skf18("8","4","5","6","2","6","1") = "7"
    & skf18("8","4","5","6","2","7","1") = "7"
    & skf18("8","4","5","6","2","8","1") = "7"
    & skf18("8","4","5","6","2","9","1") = "8"
    & skf18("8","4","5","6","2","10","1") = "9"
    & skf18("8","4","5","6","3","1","1") = "7"
    & skf18("8","4","5","6","3","2","1") = "7"
    & skf18("8","4","5","6","3","3","1") = "7"
    & skf18("8","4","5","6","3","4","1") = "7"
    & skf18("8","4","5","6","3","5","1") = "7"
    & skf18("8","4","5","6","3","6","1") = "7"
    & skf18("8","4","5","6","3","7","1") = "7"
    & skf18("8","4","5","6","3","8","1") = "7"
    & skf18("8","4","5","6","3","9","1") = "8"
    & skf18("8","4","5","6","3","10","1") = "9"
    & skf18("8","4","5","6","4","1","1") = "7"
    & skf18("8","4","5","6","4","2","1") = "7"
    & skf18("8","4","5","6","4","3","1") = "7"
    & skf18("8","4","5","6","4","4","1") = "7"
    & skf18("8","4","5","6","4","5","1") = "7"
    & skf18("8","4","5","6","4","6","1") = "7"
    & skf18("8","4","5","6","4","7","1") = "7"
    & skf18("8","4","5","6","4","8","1") = "7"
    & skf18("8","4","5","6","4","9","1") = "8"
    & skf18("8","4","5","6","4","10","1") = "9"
    & skf18("8","4","5","6","5","1","1") = "7"
    & skf18("8","4","5","6","5","2","1") = "7"
    & skf18("8","4","5","6","5","3","1") = "7"
    & skf18("8","4","5","6","5","4","1") = "7"
    & skf18("8","4","5","6","5","5","1") = "7"
    & skf18("8","4","5","6","5","6","1") = "7"
    & skf18("8","4","5","6","5","7","1") = "7"
    & skf18("8","4","5","6","5","8","1") = "7"
    & skf18("8","4","5","6","5","9","1") = "8"
    & skf18("8","4","5","6","5","10","1") = "9"
    & skf18("8","4","5","6","6","1","1") = "7"
    & skf18("8","4","5","6","6","2","1") = "7"
    & skf18("8","4","5","6","6","3","1") = "7"
    & skf18("8","4","5","6","6","4","1") = "7"
    & skf18("8","4","5","6","6","5","1") = "7"
    & skf18("8","4","5","6","6","6","1") = "7"
    & skf18("8","4","5","6","6","7","1") = "7"
    & skf18("8","4","5","6","6","8","1") = "7"
    & skf18("8","4","5","6","6","9","1") = "8"
    & skf18("8","4","5","6","6","10","1") = "9"
    & skf18("8","4","5","6","7","1","1") = "7"
    & skf18("8","4","5","6","7","2","1") = "7"
    & skf18("8","4","5","6","7","3","1") = "7"
    & skf18("8","4","5","6","7","4","1") = "7"
    & skf18("8","4","5","6","7","5","1") = "7"
    & skf18("8","4","5","6","7","6","1") = "7"
    & skf18("8","4","5","6","7","7","1") = "7"
    & skf18("8","4","5","6","7","8","1") = "7"
    & skf18("8","4","5","6","7","9","1") = "8"
    & skf18("8","4","5","6","7","10","1") = "9"
    & skf18("8","4","5","6","8","1","1") = "7"
    & skf18("8","4","5","6","8","2","1") = "7"
    & skf18("8","4","5","6","8","3","1") = "7"
    & skf18("8","4","5","6","8","4","1") = "7"
    & skf18("8","4","5","6","8","5","1") = "7"
    & skf18("8","4","5","6","8","6","1") = "7"
    & skf18("8","4","5","6","8","7","1") = "7"
    & skf18("8","4","5","6","8","8","1") = "7"
    & skf18("8","4","5","6","8","9","1") = "8"
    & skf18("8","4","5","6","8","10","1") = "9"
    & skf18("8","4","5","6","9","1","1") = "8"
    & skf18("8","4","5","6","9","2","1") = "8"
    & skf18("8","4","5","6","9","3","1") = "8"
    & skf18("8","4","5","6","9","4","1") = "8"
    & skf18("8","4","5","6","9","5","1") = "8"
    & skf18("8","4","5","6","9","6","1") = "8"
    & skf18("8","4","5","6","9","7","1") = "8"
    & skf18("8","4","5","6","9","8","1") = "8"
    & skf18("8","4","5","6","9","9","1") = "8"
    & skf18("8","4","5","6","9","10","1") = "9"
    & skf18("8","4","5","6","10","1","1") = "9"
    & skf18("8","4","5","6","10","2","1") = "9"
    & skf18("8","4","5","6","10","3","1") = "9"
    & skf18("8","4","5","6","10","4","1") = "9"
    & skf18("8","4","5","6","10","5","1") = "9"
    & skf18("8","4","5","6","10","6","1") = "9"
    & skf18("8","4","5","6","10","7","1") = "9"
    & skf18("8","4","5","6","10","8","1") = "9"
    & skf18("8","4","5","6","10","9","1") = "9"
    & skf18("8","4","5","6","10","10","1") = "9"
    & skf18("8","4","5","7","1","1","1") = "7"
    & skf18("8","4","5","7","1","2","1") = "7"
    & skf18("8","4","5","7","1","3","1") = "7"
    & skf18("8","4","5","7","1","4","1") = "7"
    & skf18("8","4","5","7","1","5","1") = "7"
    & skf18("8","4","5","7","1","6","1") = "7"
    & skf18("8","4","5","7","1","7","1") = "7"
    & skf18("8","4","5","7","1","8","1") = "7"
    & skf18("8","4","5","7","1","9","1") = "8"
    & skf18("8","4","5","7","1","10","1") = "9"
    & skf18("8","4","5","7","2","1","1") = "7"
    & skf18("8","4","5","7","2","2","1") = "7"
    & skf18("8","4","5","7","2","3","1") = "7"
    & skf18("8","4","5","7","2","4","1") = "7"
    & skf18("8","4","5","7","2","5","1") = "7"
    & skf18("8","4","5","7","2","6","1") = "7"
    & skf18("8","4","5","7","2","7","1") = "7"
    & skf18("8","4","5","7","2","8","1") = "7"
    & skf18("8","4","5","7","2","9","1") = "8"
    & skf18("8","4","5","7","2","10","1") = "9"
    & skf18("8","4","5","7","3","1","1") = "7"
    & skf18("8","4","5","7","3","2","1") = "7"
    & skf18("8","4","5","7","3","3","1") = "7"
    & skf18("8","4","5","7","3","4","1") = "7"
    & skf18("8","4","5","7","3","5","1") = "7"
    & skf18("8","4","5","7","3","6","1") = "7"
    & skf18("8","4","5","7","3","7","1") = "7"
    & skf18("8","4","5","7","3","8","1") = "7"
    & skf18("8","4","5","7","3","9","1") = "8"
    & skf18("8","4","5","7","3","10","1") = "9"
    & skf18("8","4","5","7","4","1","1") = "7"
    & skf18("8","4","5","7","4","2","1") = "7"
    & skf18("8","4","5","7","4","3","1") = "7"
    & skf18("8","4","5","7","4","4","1") = "7"
    & skf18("8","4","5","7","4","5","1") = "7"
    & skf18("8","4","5","7","4","6","1") = "7"
    & skf18("8","4","5","7","4","7","1") = "7"
    & skf18("8","4","5","7","4","8","1") = "7"
    & skf18("8","4","5","7","4","9","1") = "8"
    & skf18("8","4","5","7","4","10","1") = "9"
    & skf18("8","4","5","7","5","1","1") = "7"
    & skf18("8","4","5","7","5","2","1") = "7"
    & skf18("8","4","5","7","5","3","1") = "7"
    & skf18("8","4","5","7","5","4","1") = "7"
    & skf18("8","4","5","7","5","5","1") = "7"
    & skf18("8","4","5","7","5","6","1") = "7"
    & skf18("8","4","5","7","5","7","1") = "7"
    & skf18("8","4","5","7","5","8","1") = "7"
    & skf18("8","4","5","7","5","9","1") = "8"
    & skf18("8","4","5","7","5","10","1") = "9"
    & skf18("8","4","5","7","6","1","1") = "7"
    & skf18("8","4","5","7","6","2","1") = "7"
    & skf18("8","4","5","7","6","3","1") = "7"
    & skf18("8","4","5","7","6","4","1") = "7"
    & skf18("8","4","5","7","6","5","1") = "7"
    & skf18("8","4","5","7","6","6","1") = "7"
    & skf18("8","4","5","7","6","7","1") = "7"
    & skf18("8","4","5","7","6","8","1") = "7"
    & skf18("8","4","5","7","6","9","1") = "8"
    & skf18("8","4","5","7","6","10","1") = "9"
    & skf18("8","4","5","7","7","1","1") = "7"
    & skf18("8","4","5","7","7","2","1") = "7"
    & skf18("8","4","5","7","7","3","1") = "7"
    & skf18("8","4","5","7","7","4","1") = "7"
    & skf18("8","4","5","7","7","5","1") = "7"
    & skf18("8","4","5","7","7","6","1") = "7"
    & skf18("8","4","5","7","7","7","1") = "7"
    & skf18("8","4","5","7","7","8","1") = "7"
    & skf18("8","4","5","7","7","9","1") = "8"
    & skf18("8","4","5","7","7","10","1") = "9"
    & skf18("8","4","5","7","8","1","1") = "7"
    & skf18("8","4","5","7","8","2","1") = "7"
    & skf18("8","4","5","7","8","3","1") = "7"
    & skf18("8","4","5","7","8","4","1") = "7"
    & skf18("8","4","5","7","8","5","1") = "7"
    & skf18("8","4","5","7","8","6","1") = "7"
    & skf18("8","4","5","7","8","7","1") = "7"
    & skf18("8","4","5","7","8","8","1") = "7"
    & skf18("8","4","5","7","8","9","1") = "8"
    & skf18("8","4","5","7","8","10","1") = "9"
    & skf18("8","4","5","7","9","1","1") = "8"
    & skf18("8","4","5","7","9","2","1") = "8"
    & skf18("8","4","5","7","9","3","1") = "8"
    & skf18("8","4","5","7","9","4","1") = "8"
    & skf18("8","4","5","7","9","5","1") = "8"
    & skf18("8","4","5","7","9","6","1") = "8"
    & skf18("8","4","5","7","9","7","1") = "8"
    & skf18("8","4","5","7","9","8","1") = "8"
    & skf18("8","4","5","7","9","9","1") = "8"
    & skf18("8","4","5","7","9","10","1") = "9"
    & skf18("8","4","5","7","10","1","1") = "9"
    & skf18("8","4","5","7","10","2","1") = "9"
    & skf18("8","4","5","7","10","3","1") = "9"
    & skf18("8","4","5","7","10","4","1") = "9"
    & skf18("8","4","5","7","10","5","1") = "9"
    & skf18("8","4","5","7","10","6","1") = "9"
    & skf18("8","4","5","7","10","7","1") = "9"
    & skf18("8","4","5","7","10","8","1") = "9"
    & skf18("8","4","5","7","10","9","1") = "9"
    & skf18("8","4","5","7","10","10","1") = "9"
    & skf18("8","4","5","8","1","1","1") = "7"
    & skf18("8","4","5","8","1","2","1") = "7"
    & skf18("8","4","5","8","1","3","1") = "7"
    & skf18("8","4","5","8","1","4","1") = "7"
    & skf18("8","4","5","8","1","5","1") = "7"
    & skf18("8","4","5","8","1","6","1") = "7"
    & skf18("8","4","5","8","1","7","1") = "7"
    & skf18("8","4","5","8","1","8","1") = "7"
    & skf18("8","4","5","8","1","9","1") = "8"
    & skf18("8","4","5","8","1","10","1") = "9"
    & skf18("8","4","5","8","2","1","1") = "7"
    & skf18("8","4","5","8","2","2","1") = "7"
    & skf18("8","4","5","8","2","3","1") = "7"
    & skf18("8","4","5","8","2","4","1") = "7"
    & skf18("8","4","5","8","2","5","1") = "7"
    & skf18("8","4","5","8","2","6","1") = "7"
    & skf18("8","4","5","8","2","7","1") = "7"
    & skf18("8","4","5","8","2","8","1") = "7"
    & skf18("8","4","5","8","2","9","1") = "8"
    & skf18("8","4","5","8","2","10","1") = "9"
    & skf18("8","4","5","8","3","1","1") = "7"
    & skf18("8","4","5","8","3","2","1") = "7"
    & skf18("8","4","5","8","3","3","1") = "7"
    & skf18("8","4","5","8","3","4","1") = "7"
    & skf18("8","4","5","8","3","5","1") = "7"
    & skf18("8","4","5","8","3","6","1") = "7"
    & skf18("8","4","5","8","3","7","1") = "7"
    & skf18("8","4","5","8","3","8","1") = "7"
    & skf18("8","4","5","8","3","9","1") = "8"
    & skf18("8","4","5","8","3","10","1") = "9"
    & skf18("8","4","5","8","4","1","1") = "7"
    & skf18("8","4","5","8","4","2","1") = "7"
    & skf18("8","4","5","8","4","3","1") = "7"
    & skf18("8","4","5","8","4","4","1") = "7"
    & skf18("8","4","5","8","4","5","1") = "7"
    & skf18("8","4","5","8","4","6","1") = "7"
    & skf18("8","4","5","8","4","7","1") = "7"
    & skf18("8","4","5","8","4","8","1") = "7"
    & skf18("8","4","5","8","4","9","1") = "8"
    & skf18("8","4","5","8","4","10","1") = "9"
    & skf18("8","4","5","8","5","1","1") = "7"
    & skf18("8","4","5","8","5","2","1") = "7"
    & skf18("8","4","5","8","5","3","1") = "7"
    & skf18("8","4","5","8","5","4","1") = "7"
    & skf18("8","4","5","8","5","5","1") = "7"
    & skf18("8","4","5","8","5","6","1") = "7"
    & skf18("8","4","5","8","5","7","1") = "7"
    & skf18("8","4","5","8","5","8","1") = "7"
    & skf18("8","4","5","8","5","9","1") = "8"
    & skf18("8","4","5","8","5","10","1") = "9"
    & skf18("8","4","5","8","6","1","1") = "7"
    & skf18("8","4","5","8","6","2","1") = "7"
    & skf18("8","4","5","8","6","3","1") = "7"
    & skf18("8","4","5","8","6","4","1") = "7"
    & skf18("8","4","5","8","6","5","1") = "7"
    & skf18("8","4","5","8","6","6","1") = "7"
    & skf18("8","4","5","8","6","7","1") = "7"
    & skf18("8","4","5","8","6","8","1") = "7"
    & skf18("8","4","5","8","6","9","1") = "8"
    & skf18("8","4","5","8","6","10","1") = "9"
    & skf18("8","4","5","8","7","1","1") = "7"
    & skf18("8","4","5","8","7","2","1") = "7"
    & skf18("8","4","5","8","7","3","1") = "7"
    & skf18("8","4","5","8","7","4","1") = "7"
    & skf18("8","4","5","8","7","5","1") = "7"
    & skf18("8","4","5","8","7","6","1") = "7"
    & skf18("8","4","5","8","7","7","1") = "7"
    & skf18("8","4","5","8","7","8","1") = "7"
    & skf18("8","4","5","8","7","9","1") = "8"
    & skf18("8","4","5","8","7","10","1") = "9"
    & skf18("8","4","5","8","8","1","1") = "7"
    & skf18("8","4","5","8","8","2","1") = "7"
    & skf18("8","4","5","8","8","3","1") = "7"
    & skf18("8","4","5","8","8","4","1") = "7"
    & skf18("8","4","5","8","8","5","1") = "7"
    & skf18("8","4","5","8","8","6","1") = "7"
    & skf18("8","4","5","8","8","7","1") = "7"
    & skf18("8","4","5","8","8","8","1") = "7"
    & skf18("8","4","5","8","8","9","1") = "8"
    & skf18("8","4","5","8","8","10","1") = "9"
    & skf18("8","4","5","8","9","1","1") = "8"
    & skf18("8","4","5","8","9","2","1") = "8"
    & skf18("8","4","5","8","9","3","1") = "8"
    & skf18("8","4","5","8","9","4","1") = "8"
    & skf18("8","4","5","8","9","5","1") = "8"
    & skf18("8","4","5","8","9","6","1") = "8"
    & skf18("8","4","5","8","9","7","1") = "8"
    & skf18("8","4","5","8","9","8","1") = "8"
    & skf18("8","4","5","8","9","9","1") = "8"
    & skf18("8","4","5","8","9","10","1") = "9"
    & skf18("8","4","5","8","10","1","1") = "9"
    & skf18("8","4","5","8","10","2","1") = "9"
    & skf18("8","4","5","8","10","3","1") = "9"
    & skf18("8","4","5","8","10","4","1") = "9"
    & skf18("8","4","5","8","10","5","1") = "9"
    & skf18("8","4","5","8","10","6","1") = "9"
    & skf18("8","4","5","8","10","7","1") = "9"
    & skf18("8","4","5","8","10","8","1") = "9"
    & skf18("8","4","5","8","10","9","1") = "9"
    & skf18("8","4","5","8","10","10","1") = "9"
    & skf18("8","4","5","9","1","1","1") = "8"
    & skf18("8","4","5","9","1","2","1") = "8"
    & skf18("8","4","5","9","1","3","1") = "8"
    & skf18("8","4","5","9","1","4","1") = "8"
    & skf18("8","4","5","9","1","5","1") = "8"
    & skf18("8","4","5","9","1","6","1") = "8"
    & skf18("8","4","5","9","1","7","1") = "8"
    & skf18("8","4","5","9","1","8","1") = "8"
    & skf18("8","4","5","9","1","9","1") = "8"
    & skf18("8","4","5","9","1","10","1") = "9"
    & skf18("8","4","5","9","2","1","1") = "8"
    & skf18("8","4","5","9","2","2","1") = "8"
    & skf18("8","4","5","9","2","3","1") = "8"
    & skf18("8","4","5","9","2","4","1") = "8"
    & skf18("8","4","5","9","2","5","1") = "8"
    & skf18("8","4","5","9","2","6","1") = "8"
    & skf18("8","4","5","9","2","7","1") = "8"
    & skf18("8","4","5","9","2","8","1") = "8"
    & skf18("8","4","5","9","2","9","1") = "8"
    & skf18("8","4","5","9","2","10","1") = "9"
    & skf18("8","4","5","9","3","1","1") = "8"
    & skf18("8","4","5","9","3","2","1") = "8"
    & skf18("8","4","5","9","3","3","1") = "8"
    & skf18("8","4","5","9","3","4","1") = "8"
    & skf18("8","4","5","9","3","5","1") = "8"
    & skf18("8","4","5","9","3","6","1") = "8"
    & skf18("8","4","5","9","3","7","1") = "8"
    & skf18("8","4","5","9","3","8","1") = "8"
    & skf18("8","4","5","9","3","9","1") = "8"
    & skf18("8","4","5","9","3","10","1") = "9"
    & skf18("8","4","5","9","4","1","1") = "8"
    & skf18("8","4","5","9","4","2","1") = "8"
    & skf18("8","4","5","9","4","3","1") = "8"
    & skf18("8","4","5","9","4","4","1") = "8"
    & skf18("8","4","5","9","4","5","1") = "8"
    & skf18("8","4","5","9","4","6","1") = "8"
    & skf18("8","4","5","9","4","7","1") = "8"
    & skf18("8","4","5","9","4","8","1") = "8"
    & skf18("8","4","5","9","4","9","1") = "8"
    & skf18("8","4","5","9","4","10","1") = "9"
    & skf18("8","4","5","9","5","1","1") = "8"
    & skf18("8","4","5","9","5","2","1") = "8"
    & skf18("8","4","5","9","5","3","1") = "8"
    & skf18("8","4","5","9","5","4","1") = "8"
    & skf18("8","4","5","9","5","5","1") = "8"
    & skf18("8","4","5","9","5","6","1") = "8"
    & skf18("8","4","5","9","5","7","1") = "8"
    & skf18("8","4","5","9","5","8","1") = "8"
    & skf18("8","4","5","9","5","9","1") = "8"
    & skf18("8","4","5","9","5","10","1") = "9"
    & skf18("8","4","5","9","6","1","1") = "8"
    & skf18("8","4","5","9","6","2","1") = "8"
    & skf18("8","4","5","9","6","3","1") = "8"
    & skf18("8","4","5","9","6","4","1") = "8"
    & skf18("8","4","5","9","6","5","1") = "8"
    & skf18("8","4","5","9","6","6","1") = "8"
    & skf18("8","4","5","9","6","7","1") = "8"
    & skf18("8","4","5","9","6","8","1") = "8"
    & skf18("8","4","5","9","6","9","1") = "8"
    & skf18("8","4","5","9","6","10","1") = "9"
    & skf18("8","4","5","9","7","1","1") = "8"
    & skf18("8","4","5","9","7","2","1") = "8"
    & skf18("8","4","5","9","7","3","1") = "8"
    & skf18("8","4","5","9","7","4","1") = "8"
    & skf18("8","4","5","9","7","5","1") = "8"
    & skf18("8","4","5","9","7","6","1") = "8"
    & skf18("8","4","5","9","7","7","1") = "8"
    & skf18("8","4","5","9","7","8","1") = "8"
    & skf18("8","4","5","9","7","9","1") = "8"
    & skf18("8","4","5","9","7","10","1") = "9"
    & skf18("8","4","5","9","8","1","1") = "8"
    & skf18("8","4","5","9","8","2","1") = "8"
    & skf18("8","4","5","9","8","3","1") = "8"
    & skf18("8","4","5","9","8","4","1") = "8"
    & skf18("8","4","5","9","8","5","1") = "8"
    & skf18("8","4","5","9","8","6","1") = "8"
    & skf18("8","4","5","9","8","7","1") = "8"
    & skf18("8","4","5","9","8","8","1") = "8"
    & skf18("8","4","5","9","8","9","1") = "8"
    & skf18("8","4","5","9","8","10","1") = "9"
    & skf18("8","4","5","9","9","1","1") = "8"
    & skf18("8","4","5","9","9","2","1") = "8"
    & skf18("8","4","5","9","9","3","1") = "8"
    & skf18("8","4","5","9","9","4","1") = "8"
    & skf18("8","4","5","9","9","5","1") = "8"
    & skf18("8","4","5","9","9","6","1") = "8"
    & skf18("8","4","5","9","9","7","1") = "8"
    & skf18("8","4","5","9","9","8","1") = "8"
    & skf18("8","4","5","9","9","9","1") = "8"
    & skf18("8","4","5","9","9","10","1") = "9"
    & skf18("8","4","5","9","10","1","1") = "9"
    & skf18("8","4","5","9","10","2","1") = "9"
    & skf18("8","4","5","9","10","3","1") = "9"
    & skf18("8","4","5","9","10","4","1") = "9"
    & skf18("8","4","5","9","10","5","1") = "9"
    & skf18("8","4","5","9","10","6","1") = "9"
    & skf18("8","4","5","9","10","7","1") = "9"
    & skf18("8","4","5","9","10","8","1") = "9"
    & skf18("8","4","5","9","10","9","1") = "9"
    & skf18("8","4","5","9","10","10","1") = "9"
    & skf18("8","4","5","10","1","1","1") = "9"
    & skf18("8","4","5","10","1","2","1") = "9"
    & skf18("8","4","5","10","1","3","1") = "9"
    & skf18("8","4","5","10","1","4","1") = "9"
    & skf18("8","4","5","10","1","5","1") = "9"
    & skf18("8","4","5","10","1","6","1") = "9"
    & skf18("8","4","5","10","1","7","1") = "9"
    & skf18("8","4","5","10","1","8","1") = "9"
    & skf18("8","4","5","10","1","9","1") = "9"
    & skf18("8","4","5","10","1","10","1") = "9"
    & skf18("8","4","5","10","2","1","1") = "9"
    & skf18("8","4","5","10","2","2","1") = "9"
    & skf18("8","4","5","10","2","3","1") = "9"
    & skf18("8","4","5","10","2","4","1") = "9"
    & skf18("8","4","5","10","2","5","1") = "9"
    & skf18("8","4","5","10","2","6","1") = "9"
    & skf18("8","4","5","10","2","7","1") = "9"
    & skf18("8","4","5","10","2","8","1") = "9"
    & skf18("8","4","5","10","2","9","1") = "9"
    & skf18("8","4","5","10","2","10","1") = "9"
    & skf18("8","4","5","10","3","1","1") = "9"
    & skf18("8","4","5","10","3","2","1") = "9"
    & skf18("8","4","5","10","3","3","1") = "9"
    & skf18("8","4","5","10","3","4","1") = "9"
    & skf18("8","4","5","10","3","5","1") = "9"
    & skf18("8","4","5","10","3","6","1") = "9"
    & skf18("8","4","5","10","3","7","1") = "9"
    & skf18("8","4","5","10","3","8","1") = "9"
    & skf18("8","4","5","10","3","9","1") = "9"
    & skf18("8","4","5","10","3","10","1") = "9"
    & skf18("8","4","5","10","4","1","1") = "9"
    & skf18("8","4","5","10","4","2","1") = "9"
    & skf18("8","4","5","10","4","3","1") = "9"
    & skf18("8","4","5","10","4","4","1") = "9"
    & skf18("8","4","5","10","4","5","1") = "9"
    & skf18("8","4","5","10","4","6","1") = "9"
    & skf18("8","4","5","10","4","7","1") = "9"
    & skf18("8","4","5","10","4","8","1") = "9"
    & skf18("8","4","5","10","4","9","1") = "9"
    & skf18("8","4","5","10","4","10","1") = "9"
    & skf18("8","4","5","10","5","1","1") = "9"
    & skf18("8","4","5","10","5","2","1") = "9"
    & skf18("8","4","5","10","5","3","1") = "9"
    & skf18("8","4","5","10","5","4","1") = "9"
    & skf18("8","4","5","10","5","5","1") = "9"
    & skf18("8","4","5","10","5","6","1") = "9"
    & skf18("8","4","5","10","5","7","1") = "9"
    & skf18("8","4","5","10","5","8","1") = "9"
    & skf18("8","4","5","10","5","9","1") = "9"
    & skf18("8","4","5","10","5","10","1") = "9"
    & skf18("8","4","5","10","6","1","1") = "9"
    & skf18("8","4","5","10","6","2","1") = "9"
    & skf18("8","4","5","10","6","3","1") = "9"
    & skf18("8","4","5","10","6","4","1") = "9"
    & skf18("8","4","5","10","6","5","1") = "9"
    & skf18("8","4","5","10","6","6","1") = "9"
    & skf18("8","4","5","10","6","7","1") = "9"
    & skf18("8","4","5","10","6","8","1") = "9"
    & skf18("8","4","5","10","6","9","1") = "9"
    & skf18("8","4","5","10","6","10","1") = "9"
    & skf18("8","4","5","10","7","1","1") = "9"
    & skf18("8","4","5","10","7","2","1") = "9"
    & skf18("8","4","5","10","7","3","1") = "9"
    & skf18("8","4","5","10","7","4","1") = "9"
    & skf18("8","4","5","10","7","5","1") = "9"
    & skf18("8","4","5","10","7","6","1") = "9"
    & skf18("8","4","5","10","7","7","1") = "9"
    & skf18("8","4","5","10","7","8","1") = "9"
    & skf18("8","4","5","10","7","9","1") = "9"
    & skf18("8","4","5","10","7","10","1") = "9"
    & skf18("8","4","5","10","8","1","1") = "9"
    & skf18("8","4","5","10","8","2","1") = "9"
    & skf18("8","4","5","10","8","3","1") = "9"
    & skf18("8","4","5","10","8","4","1") = "9"
    & skf18("8","4","5","10","8","5","1") = "9"
    & skf18("8","4","5","10","8","6","1") = "9"
    & skf18("8","4","5","10","8","7","1") = "9"
    & skf18("8","4","5","10","8","8","1") = "9"
    & skf18("8","4","5","10","8","9","1") = "9"
    & skf18("8","4","5","10","8","10","1") = "9"
    & skf18("8","4","5","10","9","1","1") = "9"
    & skf18("8","4","5","10","9","2","1") = "9"
    & skf18("8","4","5","10","9","3","1") = "9"
    & skf18("8","4","5","10","9","4","1") = "9"
    & skf18("8","4","5","10","9","5","1") = "9"
    & skf18("8","4","5","10","9","6","1") = "9"
    & skf18("8","4","5","10","9","7","1") = "9"
    & skf18("8","4","5","10","9","8","1") = "9"
    & skf18("8","4","5","10","9","9","1") = "9"
    & skf18("8","4","5","10","9","10","1") = "9"
    & skf18("8","4","5","10","10","1","1") = "9"
    & skf18("8","4","5","10","10","2","1") = "9"
    & skf18("8","4","5","10","10","3","1") = "9"
    & skf18("8","4","5","10","10","4","1") = "9"
    & skf18("8","4","5","10","10","5","1") = "9"
    & skf18("8","4","5","10","10","6","1") = "9"
    & skf18("8","4","5","10","10","7","1") = "9"
    & skf18("8","4","5","10","10","8","1") = "9"
    & skf18("8","4","5","10","10","9","1") = "9"
    & skf18("8","4","5","10","10","10","1") = "9"
    & skf18("8","4","6","1","1","1","1") = "7"
    & skf18("8","4","6","1","1","2","1") = "7"
    & skf18("8","4","6","1","1","3","1") = "7"
    & skf18("8","4","6","1","1","4","1") = "7"
    & skf18("8","4","6","1","1","5","1") = "7"
    & skf18("8","4","6","1","1","6","1") = "7"
    & skf18("8","4","6","1","1","7","1") = "7"
    & skf18("8","4","6","1","1","8","1") = "7"
    & skf18("8","4","6","1","1","9","1") = "8"
    & skf18("8","4","6","1","1","10","1") = "9"
    & skf18("8","4","6","1","2","1","1") = "7"
    & skf18("8","4","6","1","2","2","1") = "7"
    & skf18("8","4","6","1","2","3","1") = "7"
    & skf18("8","4","6","1","2","4","1") = "7"
    & skf18("8","4","6","1","2","5","1") = "7"
    & skf18("8","4","6","1","2","6","1") = "7"
    & skf18("8","4","6","1","2","7","1") = "7"
    & skf18("8","4","6","1","2","8","1") = "7"
    & skf18("8","4","6","1","2","9","1") = "8"
    & skf18("8","4","6","1","2","10","1") = "9"
    & skf18("8","4","6","1","3","1","1") = "7"
    & skf18("8","4","6","1","3","2","1") = "7"
    & skf18("8","4","6","1","3","3","1") = "7"
    & skf18("8","4","6","1","3","4","1") = "7"
    & skf18("8","4","6","1","3","5","1") = "7"
    & skf18("8","4","6","1","3","6","1") = "7"
    & skf18("8","4","6","1","3","7","1") = "7"
    & skf18("8","4","6","1","3","8","1") = "7"
    & skf18("8","4","6","1","3","9","1") = "8"
    & skf18("8","4","6","1","3","10","1") = "9"
    & skf18("8","4","6","1","4","1","1") = "7"
    & skf18("8","4","6","1","4","2","1") = "7"
    & skf18("8","4","6","1","4","3","1") = "7"
    & skf18("8","4","6","1","4","4","1") = "7"
    & skf18("8","4","6","1","4","5","1") = "7"
    & skf18("8","4","6","1","4","6","1") = "7"
    & skf18("8","4","6","1","4","7","1") = "7"
    & skf18("8","4","6","1","4","8","1") = "7"
    & skf18("8","4","6","1","4","9","1") = "8"
    & skf18("8","4","6","1","4","10","1") = "9"
    & skf18("8","4","6","1","5","1","1") = "7"
    & skf18("8","4","6","1","5","2","1") = "7"
    & skf18("8","4","6","1","5","3","1") = "7"
    & skf18("8","4","6","1","5","4","1") = "7"
    & skf18("8","4","6","1","5","5","1") = "7"
    & skf18("8","4","6","1","5","6","1") = "7"
    & skf18("8","4","6","1","5","7","1") = "7"
    & skf18("8","4","6","1","5","8","1") = "7"
    & skf18("8","4","6","1","5","9","1") = "8"
    & skf18("8","4","6","1","5","10","1") = "9"
    & skf18("8","4","6","1","6","1","1") = "7"
    & skf18("8","4","6","1","6","2","1") = "7"
    & skf18("8","4","6","1","6","3","1") = "7"
    & skf18("8","4","6","1","6","4","1") = "7"
    & skf18("8","4","6","1","6","5","1") = "7"
    & skf18("8","4","6","1","6","6","1") = "7"
    & skf18("8","4","6","1","6","7","1") = "7"
    & skf18("8","4","6","1","6","8","1") = "7"
    & skf18("8","4","6","1","6","9","1") = "8"
    & skf18("8","4","6","1","6","10","1") = "9"
    & skf18("8","4","6","1","7","1","1") = "7"
    & skf18("8","4","6","1","7","2","1") = "7"
    & skf18("8","4","6","1","7","3","1") = "7"
    & skf18("8","4","6","1","7","4","1") = "7"
    & skf18("8","4","6","1","7","5","1") = "7"
    & skf18("8","4","6","1","7","6","1") = "7"
    & skf18("8","4","6","1","7","7","1") = "7"
    & skf18("8","4","6","1","7","8","1") = "7"
    & skf18("8","4","6","1","7","9","1") = "8"
    & skf18("8","4","6","1","7","10","1") = "9"
    & skf18("8","4","6","1","8","1","1") = "7"
    & skf18("8","4","6","1","8","2","1") = "7"
    & skf18("8","4","6","1","8","3","1") = "7"
    & skf18("8","4","6","1","8","4","1") = "7"
    & skf18("8","4","6","1","8","5","1") = "7"
    & skf18("8","4","6","1","8","6","1") = "7"
    & skf18("8","4","6","1","8","7","1") = "7"
    & skf18("8","4","6","1","8","8","1") = "7"
    & skf18("8","4","6","1","8","9","1") = "8"
    & skf18("8","4","6","1","8","10","1") = "9"
    & skf18("8","4","6","1","9","1","1") = "8"
    & skf18("8","4","6","1","9","2","1") = "8"
    & skf18("8","4","6","1","9","3","1") = "8"
    & skf18("8","4","6","1","9","4","1") = "8"
    & skf18("8","4","6","1","9","5","1") = "8"
    & skf18("8","4","6","1","9","6","1") = "8"
    & skf18("8","4","6","1","9","7","1") = "8"
    & skf18("8","4","6","1","9","8","1") = "8"
    & skf18("8","4","6","1","9","9","1") = "8"
    & skf18("8","4","6","1","9","10","1") = "9"
    & skf18("8","4","6","1","10","1","1") = "9"
    & skf18("8","4","6","1","10","2","1") = "9"
    & skf18("8","4","6","1","10","3","1") = "9"
    & skf18("8","4","6","1","10","4","1") = "9"
    & skf18("8","4","6","1","10","5","1") = "9"
    & skf18("8","4","6","1","10","6","1") = "9"
    & skf18("8","4","6","1","10","7","1") = "9"
    & skf18("8","4","6","1","10","8","1") = "9"
    & skf18("8","4","6","1","10","9","1") = "9"
    & skf18("8","4","6","1","10","10","1") = "9"
    & skf18("8","4","6","2","1","1","1") = "7"
    & skf18("8","4","6","2","1","2","1") = "7"
    & skf18("8","4","6","2","1","3","1") = "7"
    & skf18("8","4","6","2","1","4","1") = "7"
    & skf18("8","4","6","2","1","5","1") = "7"
    & skf18("8","4","6","2","1","6","1") = "7"
    & skf18("8","4","6","2","1","7","1") = "7"
    & skf18("8","4","6","2","1","8","1") = "7"
    & skf18("8","4","6","2","1","9","1") = "8"
    & skf18("8","4","6","2","1","10","1") = "9"
    & skf18("8","4","6","2","2","1","1") = "7"
    & skf18("8","4","6","2","2","2","1") = "7"
    & skf18("8","4","6","2","2","3","1") = "7"
    & skf18("8","4","6","2","2","4","1") = "7"
    & skf18("8","4","6","2","2","5","1") = "7"
    & skf18("8","4","6","2","2","6","1") = "7"
    & skf18("8","4","6","2","2","7","1") = "7"
    & skf18("8","4","6","2","2","8","1") = "7"
    & skf18("8","4","6","2","2","9","1") = "8"
    & skf18("8","4","6","2","2","10","1") = "9"
    & skf18("8","4","6","2","3","1","1") = "7"
    & skf18("8","4","6","2","3","2","1") = "7"
    & skf18("8","4","6","2","3","3","1") = "7"
    & skf18("8","4","6","2","3","4","1") = "7"
    & skf18("8","4","6","2","3","5","1") = "7"
    & skf18("8","4","6","2","3","6","1") = "7"
    & skf18("8","4","6","2","3","7","1") = "7"
    & skf18("8","4","6","2","3","8","1") = "7"
    & skf18("8","4","6","2","3","9","1") = "8"
    & skf18("8","4","6","2","3","10","1") = "9"
    & skf18("8","4","6","2","4","1","1") = "7"
    & skf18("8","4","6","2","4","2","1") = "7"
    & skf18("8","4","6","2","4","3","1") = "7"
    & skf18("8","4","6","2","4","4","1") = "7"
    & skf18("8","4","6","2","4","5","1") = "7"
    & skf18("8","4","6","2","4","6","1") = "7"
    & skf18("8","4","6","2","4","7","1") = "7"
    & skf18("8","4","6","2","4","8","1") = "7"
    & skf18("8","4","6","2","4","9","1") = "8"
    & skf18("8","4","6","2","4","10","1") = "9"
    & skf18("8","4","6","2","5","1","1") = "7"
    & skf18("8","4","6","2","5","2","1") = "7"
    & skf18("8","4","6","2","5","3","1") = "7"
    & skf18("8","4","6","2","5","4","1") = "7"
    & skf18("8","4","6","2","5","5","1") = "7"
    & skf18("8","4","6","2","5","6","1") = "7"
    & skf18("8","4","6","2","5","7","1") = "7"
    & skf18("8","4","6","2","5","8","1") = "7"
    & skf18("8","4","6","2","5","9","1") = "8"
    & skf18("8","4","6","2","5","10","1") = "9"
    & skf18("8","4","6","2","6","1","1") = "7"
    & skf18("8","4","6","2","6","2","1") = "7"
    & skf18("8","4","6","2","6","3","1") = "7"
    & skf18("8","4","6","2","6","4","1") = "7"
    & skf18("8","4","6","2","6","5","1") = "7"
    & skf18("8","4","6","2","6","6","1") = "7"
    & skf18("8","4","6","2","6","7","1") = "7"
    & skf18("8","4","6","2","6","8","1") = "7"
    & skf18("8","4","6","2","6","9","1") = "8"
    & skf18("8","4","6","2","6","10","1") = "9"
    & skf18("8","4","6","2","7","1","1") = "7"
    & skf18("8","4","6","2","7","2","1") = "7"
    & skf18("8","4","6","2","7","3","1") = "7"
    & skf18("8","4","6","2","7","4","1") = "7"
    & skf18("8","4","6","2","7","5","1") = "7"
    & skf18("8","4","6","2","7","6","1") = "7"
    & skf18("8","4","6","2","7","7","1") = "7"
    & skf18("8","4","6","2","7","8","1") = "7"
    & skf18("8","4","6","2","7","9","1") = "8"
    & skf18("8","4","6","2","7","10","1") = "9"
    & skf18("8","4","6","2","8","1","1") = "7"
    & skf18("8","4","6","2","8","2","1") = "7"
    & skf18("8","4","6","2","8","3","1") = "7"
    & skf18("8","4","6","2","8","4","1") = "7"
    & skf18("8","4","6","2","8","5","1") = "7"
    & skf18("8","4","6","2","8","6","1") = "7"
    & skf18("8","4","6","2","8","7","1") = "7"
    & skf18("8","4","6","2","8","8","1") = "7"
    & skf18("8","4","6","2","8","9","1") = "8"
    & skf18("8","4","6","2","8","10","1") = "9"
    & skf18("8","4","6","2","9","1","1") = "8"
    & skf18("8","4","6","2","9","2","1") = "8"
    & skf18("8","4","6","2","9","3","1") = "8"
    & skf18("8","4","6","2","9","4","1") = "8"
    & skf18("8","4","6","2","9","5","1") = "8"
    & skf18("8","4","6","2","9","6","1") = "8"
    & skf18("8","4","6","2","9","7","1") = "8"
    & skf18("8","4","6","2","9","8","1") = "8"
    & skf18("8","4","6","2","9","9","1") = "8"
    & skf18("8","4","6","2","9","10","1") = "9"
    & skf18("8","4","6","2","10","1","1") = "9"
    & skf18("8","4","6","2","10","2","1") = "9"
    & skf18("8","4","6","2","10","3","1") = "9"
    & skf18("8","4","6","2","10","4","1") = "9"
    & skf18("8","4","6","2","10","5","1") = "9"
    & skf18("8","4","6","2","10","6","1") = "9"
    & skf18("8","4","6","2","10","7","1") = "9"
    & skf18("8","4","6","2","10","8","1") = "9"
    & skf18("8","4","6","2","10","9","1") = "9"
    & skf18("8","4","6","2","10","10","1") = "9"
    & skf18("8","4","6","3","1","1","1") = "7"
    & skf18("8","4","6","3","1","2","1") = "7"
    & skf18("8","4","6","3","1","3","1") = "7"
    & skf18("8","4","6","3","1","4","1") = "7"
    & skf18("8","4","6","3","1","5","1") = "7"
    & skf18("8","4","6","3","1","6","1") = "7"
    & skf18("8","4","6","3","1","7","1") = "7"
    & skf18("8","4","6","3","1","8","1") = "7"
    & skf18("8","4","6","3","1","9","1") = "8"
    & skf18("8","4","6","3","1","10","1") = "9"
    & skf18("8","4","6","3","2","1","1") = "7"
    & skf18("8","4","6","3","2","2","1") = "7"
    & skf18("8","4","6","3","2","3","1") = "7"
    & skf18("8","4","6","3","2","4","1") = "7"
    & skf18("8","4","6","3","2","5","1") = "7"
    & skf18("8","4","6","3","2","6","1") = "7"
    & skf18("8","4","6","3","2","7","1") = "7"
    & skf18("8","4","6","3","2","8","1") = "7"
    & skf18("8","4","6","3","2","9","1") = "8"
    & skf18("8","4","6","3","2","10","1") = "9"
    & skf18("8","4","6","3","3","1","1") = "7"
    & skf18("8","4","6","3","3","2","1") = "7"
    & skf18("8","4","6","3","3","3","1") = "7"
    & skf18("8","4","6","3","3","4","1") = "7"
    & skf18("8","4","6","3","3","5","1") = "7"
    & skf18("8","4","6","3","3","6","1") = "7"
    & skf18("8","4","6","3","3","7","1") = "7"
    & skf18("8","4","6","3","3","8","1") = "7"
    & skf18("8","4","6","3","3","9","1") = "8"
    & skf18("8","4","6","3","3","10","1") = "9"
    & skf18("8","4","6","3","4","1","1") = "7"
    & skf18("8","4","6","3","4","2","1") = "7"
    & skf18("8","4","6","3","4","3","1") = "7"
    & skf18("8","4","6","3","4","4","1") = "7"
    & skf18("8","4","6","3","4","5","1") = "7"
    & skf18("8","4","6","3","4","6","1") = "7"
    & skf18("8","4","6","3","4","7","1") = "7"
    & skf18("8","4","6","3","4","8","1") = "7"
    & skf18("8","4","6","3","4","9","1") = "8"
    & skf18("8","4","6","3","4","10","1") = "9"
    & skf18("8","4","6","3","5","1","1") = "7"
    & skf18("8","4","6","3","5","2","1") = "7"
    & skf18("8","4","6","3","5","3","1") = "7"
    & skf18("8","4","6","3","5","4","1") = "7"
    & skf18("8","4","6","3","5","5","1") = "7"
    & skf18("8","4","6","3","5","6","1") = "7"
    & skf18("8","4","6","3","5","7","1") = "7"
    & skf18("8","4","6","3","5","8","1") = "7"
    & skf18("8","4","6","3","5","9","1") = "8"
    & skf18("8","4","6","3","5","10","1") = "9"
    & skf18("8","4","6","3","6","1","1") = "7"
    & skf18("8","4","6","3","6","2","1") = "7"
    & skf18("8","4","6","3","6","3","1") = "7"
    & skf18("8","4","6","3","6","4","1") = "7"
    & skf18("8","4","6","3","6","5","1") = "7"
    & skf18("8","4","6","3","6","6","1") = "7"
    & skf18("8","4","6","3","6","7","1") = "7"
    & skf18("8","4","6","3","6","8","1") = "7"
    & skf18("8","4","6","3","6","9","1") = "8"
    & skf18("8","4","6","3","6","10","1") = "9"
    & skf18("8","4","6","3","7","1","1") = "7"
    & skf18("8","4","6","3","7","2","1") = "7"
    & skf18("8","4","6","3","7","3","1") = "7"
    & skf18("8","4","6","3","7","4","1") = "7"
    & skf18("8","4","6","3","7","5","1") = "7"
    & skf18("8","4","6","3","7","6","1") = "7"
    & skf18("8","4","6","3","7","7","1") = "7"
    & skf18("8","4","6","3","7","8","1") = "7"
    & skf18("8","4","6","3","7","9","1") = "8"
    & skf18("8","4","6","3","7","10","1") = "9"
    & skf18("8","4","6","3","8","1","1") = "7"
    & skf18("8","4","6","3","8","2","1") = "7"
    & skf18("8","4","6","3","8","3","1") = "7"
    & skf18("8","4","6","3","8","4","1") = "7"
    & skf18("8","4","6","3","8","5","1") = "7"
    & skf18("8","4","6","3","8","6","1") = "7"
    & skf18("8","4","6","3","8","7","1") = "7"
    & skf18("8","4","6","3","8","8","1") = "7"
    & skf18("8","4","6","3","8","9","1") = "8"
    & skf18("8","4","6","3","8","10","1") = "9"
    & skf18("8","4","6","3","9","1","1") = "8"
    & skf18("8","4","6","3","9","2","1") = "8"
    & skf18("8","4","6","3","9","3","1") = "8"
    & skf18("8","4","6","3","9","4","1") = "8"
    & skf18("8","4","6","3","9","5","1") = "8"
    & skf18("8","4","6","3","9","6","1") = "8"
    & skf18("8","4","6","3","9","7","1") = "8"
    & skf18("8","4","6","3","9","8","1") = "8"
    & skf18("8","4","6","3","9","9","1") = "8"
    & skf18("8","4","6","3","9","10","1") = "9"
    & skf18("8","4","6","3","10","1","1") = "9"
    & skf18("8","4","6","3","10","2","1") = "9"
    & skf18("8","4","6","3","10","3","1") = "9"
    & skf18("8","4","6","3","10","4","1") = "9"
    & skf18("8","4","6","3","10","5","1") = "9"
    & skf18("8","4","6","3","10","6","1") = "9"
    & skf18("8","4","6","3","10","7","1") = "9"
    & skf18("8","4","6","3","10","8","1") = "9"
    & skf18("8","4","6","3","10","9","1") = "9"
    & skf18("8","4","6","3","10","10","1") = "9"
    & skf18("8","4","6","4","1","1","1") = "7"
    & skf18("8","4","6","4","1","2","1") = "7"
    & skf18("8","4","6","4","1","3","1") = "7"
    & skf18("8","4","6","4","1","4","1") = "7"
    & skf18("8","4","6","4","1","5","1") = "7"
    & skf18("8","4","6","4","1","6","1") = "7"
    & skf18("8","4","6","4","1","7","1") = "7"
    & skf18("8","4","6","4","1","8","1") = "7"
    & skf18("8","4","6","4","1","9","1") = "8"
    & skf18("8","4","6","4","1","10","1") = "9"
    & skf18("8","4","6","4","2","1","1") = "7"
    & skf18("8","4","6","4","2","2","1") = "7"
    & skf18("8","4","6","4","2","3","1") = "7"
    & skf18("8","4","6","4","2","4","1") = "7"
    & skf18("8","4","6","4","2","5","1") = "7"
    & skf18("8","4","6","4","2","6","1") = "7"
    & skf18("8","4","6","4","2","7","1") = "7"
    & skf18("8","4","6","4","2","8","1") = "7"
    & skf18("8","4","6","4","2","9","1") = "8"
    & skf18("8","4","6","4","2","10","1") = "9"
    & skf18("8","4","6","4","3","1","1") = "7"
    & skf18("8","4","6","4","3","2","1") = "7"
    & skf18("8","4","6","4","3","3","1") = "7"
    & skf18("8","4","6","4","3","4","1") = "7"
    & skf18("8","4","6","4","3","5","1") = "7"
    & skf18("8","4","6","4","3","6","1") = "7"
    & skf18("8","4","6","4","3","7","1") = "7"
    & skf18("8","4","6","4","3","8","1") = "7"
    & skf18("8","4","6","4","3","9","1") = "8"
    & skf18("8","4","6","4","3","10","1") = "9"
    & skf18("8","4","6","4","4","1","1") = "7"
    & skf18("8","4","6","4","4","2","1") = "7"
    & skf18("8","4","6","4","4","3","1") = "7"
    & skf18("8","4","6","4","4","4","1") = "7"
    & skf18("8","4","6","4","4","5","1") = "7"
    & skf18("8","4","6","4","4","6","1") = "7"
    & skf18("8","4","6","4","4","7","1") = "7"
    & skf18("8","4","6","4","4","8","1") = "7"
    & skf18("8","4","6","4","4","9","1") = "8"
    & skf18("8","4","6","4","4","10","1") = "9"
    & skf18("8","4","6","4","5","1","1") = "7"
    & skf18("8","4","6","4","5","2","1") = "7"
    & skf18("8","4","6","4","5","3","1") = "7"
    & skf18("8","4","6","4","5","4","1") = "7"
    & skf18("8","4","6","4","5","5","1") = "7"
    & skf18("8","4","6","4","5","6","1") = "7"
    & skf18("8","4","6","4","5","7","1") = "7"
    & skf18("8","4","6","4","5","8","1") = "7"
    & skf18("8","4","6","4","5","9","1") = "8"
    & skf18("8","4","6","4","5","10","1") = "9"
    & skf18("8","4","6","4","6","1","1") = "7"
    & skf18("8","4","6","4","6","2","1") = "7"
    & skf18("8","4","6","4","6","3","1") = "7"
    & skf18("8","4","6","4","6","4","1") = "7"
    & skf18("8","4","6","4","6","5","1") = "7"
    & skf18("8","4","6","4","6","6","1") = "7"
    & skf18("8","4","6","4","6","7","1") = "7"
    & skf18("8","4","6","4","6","8","1") = "7"
    & skf18("8","4","6","4","6","9","1") = "8"
    & skf18("8","4","6","4","6","10","1") = "9"
    & skf18("8","4","6","4","7","1","1") = "7"
    & skf18("8","4","6","4","7","2","1") = "7"
    & skf18("8","4","6","4","7","3","1") = "7"
    & skf18("8","4","6","4","7","4","1") = "7"
    & skf18("8","4","6","4","7","5","1") = "7"
    & skf18("8","4","6","4","7","6","1") = "7"
    & skf18("8","4","6","4","7","7","1") = "7"
    & skf18("8","4","6","4","7","8","1") = "7"
    & skf18("8","4","6","4","7","9","1") = "8"
    & skf18("8","4","6","4","7","10","1") = "9"
    & skf18("8","4","6","4","8","1","1") = "7"
    & skf18("8","4","6","4","8","2","1") = "7"
    & skf18("8","4","6","4","8","3","1") = "7"
    & skf18("8","4","6","4","8","4","1") = "7"
    & skf18("8","4","6","4","8","5","1") = "7"
    & skf18("8","4","6","4","8","6","1") = "7"
    & skf18("8","4","6","4","8","7","1") = "7"
    & skf18("8","4","6","4","8","8","1") = "7"
    & skf18("8","4","6","4","8","9","1") = "8"
    & skf18("8","4","6","4","8","10","1") = "9"
    & skf18("8","4","6","4","9","1","1") = "8"
    & skf18("8","4","6","4","9","2","1") = "8"
    & skf18("8","4","6","4","9","3","1") = "8"
    & skf18("8","4","6","4","9","4","1") = "8"
    & skf18("8","4","6","4","9","5","1") = "8"
    & skf18("8","4","6","4","9","6","1") = "8"
    & skf18("8","4","6","4","9","7","1") = "8"
    & skf18("8","4","6","4","9","8","1") = "8"
    & skf18("8","4","6","4","9","9","1") = "8"
    & skf18("8","4","6","4","9","10","1") = "9"
    & skf18("8","4","6","4","10","1","1") = "9"
    & skf18("8","4","6","4","10","2","1") = "9"
    & skf18("8","4","6","4","10","3","1") = "9"
    & skf18("8","4","6","4","10","4","1") = "9"
    & skf18("8","4","6","4","10","5","1") = "9"
    & skf18("8","4","6","4","10","6","1") = "9"
    & skf18("8","4","6","4","10","7","1") = "9"
    & skf18("8","4","6","4","10","8","1") = "9"
    & skf18("8","4","6","4","10","9","1") = "9"
    & skf18("8","4","6","4","10","10","1") = "9"
    & skf18("8","4","6","5","1","1","1") = "7"
    & skf18("8","4","6","5","1","2","1") = "7"
    & skf18("8","4","6","5","1","3","1") = "7"
    & skf18("8","4","6","5","1","4","1") = "7"
    & skf18("8","4","6","5","1","5","1") = "7"
    & skf18("8","4","6","5","1","6","1") = "7"
    & skf18("8","4","6","5","1","7","1") = "7"
    & skf18("8","4","6","5","1","8","1") = "7"
    & skf18("8","4","6","5","1","9","1") = "8"
    & skf18("8","4","6","5","1","10","1") = "9"
    & skf18("8","4","6","5","2","1","1") = "7"
    & skf18("8","4","6","5","2","2","1") = "7"
    & skf18("8","4","6","5","2","3","1") = "7"
    & skf18("8","4","6","5","2","4","1") = "7"
    & skf18("8","4","6","5","2","5","1") = "7"
    & skf18("8","4","6","5","2","6","1") = "7"
    & skf18("8","4","6","5","2","7","1") = "7"
    & skf18("8","4","6","5","2","8","1") = "7"
    & skf18("8","4","6","5","2","9","1") = "8"
    & skf18("8","4","6","5","2","10","1") = "9"
    & skf18("8","4","6","5","3","1","1") = "7"
    & skf18("8","4","6","5","3","2","1") = "7"
    & skf18("8","4","6","5","3","3","1") = "7"
    & skf18("8","4","6","5","3","4","1") = "7"
    & skf18("8","4","6","5","3","5","1") = "7"
    & skf18("8","4","6","5","3","6","1") = "7"
    & skf18("8","4","6","5","3","7","1") = "7"
    & skf18("8","4","6","5","3","8","1") = "7"
    & skf18("8","4","6","5","3","9","1") = "8"
    & skf18("8","4","6","5","3","10","1") = "9"
    & skf18("8","4","6","5","4","1","1") = "7"
    & skf18("8","4","6","5","4","2","1") = "7"
    & skf18("8","4","6","5","4","3","1") = "7"
    & skf18("8","4","6","5","4","4","1") = "7"
    & skf18("8","4","6","5","4","5","1") = "7"
    & skf18("8","4","6","5","4","6","1") = "7"
    & skf18("8","4","6","5","4","7","1") = "7"
    & skf18("8","4","6","5","4","8","1") = "7"
    & skf18("8","4","6","5","4","9","1") = "8"
    & skf18("8","4","6","5","4","10","1") = "9"
    & skf18("8","4","6","5","5","1","1") = "7"
    & skf18("8","4","6","5","5","2","1") = "7"
    & skf18("8","4","6","5","5","3","1") = "7"
    & skf18("8","4","6","5","5","4","1") = "7"
    & skf18("8","4","6","5","5","5","1") = "7"
    & skf18("8","4","6","5","5","6","1") = "7"
    & skf18("8","4","6","5","5","7","1") = "7"
    & skf18("8","4","6","5","5","8","1") = "7"
    & skf18("8","4","6","5","5","9","1") = "8"
    & skf18("8","4","6","5","5","10","1") = "9"
    & skf18("8","4","6","5","6","1","1") = "7"
    & skf18("8","4","6","5","6","2","1") = "7"
    & skf18("8","4","6","5","6","3","1") = "7"
    & skf18("8","4","6","5","6","4","1") = "7"
    & skf18("8","4","6","5","6","5","1") = "7"
    & skf18("8","4","6","5","6","6","1") = "7"
    & skf18("8","4","6","5","6","7","1") = "7"
    & skf18("8","4","6","5","6","8","1") = "7"
    & skf18("8","4","6","5","6","9","1") = "8"
    & skf18("8","4","6","5","6","10","1") = "9"
    & skf18("8","4","6","5","7","1","1") = "7"
    & skf18("8","4","6","5","7","2","1") = "7"
    & skf18("8","4","6","5","7","3","1") = "7"
    & skf18("8","4","6","5","7","4","1") = "7"
    & skf18("8","4","6","5","7","5","1") = "7"
    & skf18("8","4","6","5","7","6","1") = "7"
    & skf18("8","4","6","5","7","7","1") = "7"
    & skf18("8","4","6","5","7","8","1") = "7"
    & skf18("8","4","6","5","7","9","1") = "8"
    & skf18("8","4","6","5","7","10","1") = "9"
    & skf18("8","4","6","5","8","1","1") = "7"
    & skf18("8","4","6","5","8","2","1") = "7"
    & skf18("8","4","6","5","8","3","1") = "7"
    & skf18("8","4","6","5","8","4","1") = "7"
    & skf18("8","4","6","5","8","5","1") = "7"
    & skf18("8","4","6","5","8","6","1") = "7"
    & skf18("8","4","6","5","8","7","1") = "7"
    & skf18("8","4","6","5","8","8","1") = "7"
    & skf18("8","4","6","5","8","9","1") = "8"
    & skf18("8","4","6","5","8","10","1") = "9"
    & skf18("8","4","6","5","9","1","1") = "8"
    & skf18("8","4","6","5","9","2","1") = "8"
    & skf18("8","4","6","5","9","3","1") = "8"
    & skf18("8","4","6","5","9","4","1") = "8"
    & skf18("8","4","6","5","9","5","1") = "8"
    & skf18("8","4","6","5","9","6","1") = "8"
    & skf18("8","4","6","5","9","7","1") = "8"
    & skf18("8","4","6","5","9","8","1") = "8"
    & skf18("8","4","6","5","9","9","1") = "8"
    & skf18("8","4","6","5","9","10","1") = "9"
    & skf18("8","4","6","5","10","1","1") = "9"
    & skf18("8","4","6","5","10","2","1") = "9"
    & skf18("8","4","6","5","10","3","1") = "9"
    & skf18("8","4","6","5","10","4","1") = "9"
    & skf18("8","4","6","5","10","5","1") = "9"
    & skf18("8","4","6","5","10","6","1") = "9"
    & skf18("8","4","6","5","10","7","1") = "9"
    & skf18("8","4","6","5","10","8","1") = "9"
    & skf18("8","4","6","5","10","9","1") = "9"
    & skf18("8","4","6","5","10","10","1") = "9"
    & skf18("8","4","6","6","1","1","1") = "7"
    & skf18("8","4","6","6","1","2","1") = "7"
    & skf18("8","4","6","6","1","3","1") = "7"
    & skf18("8","4","6","6","1","4","1") = "7"
    & skf18("8","4","6","6","1","5","1") = "7"
    & skf18("8","4","6","6","1","6","1") = "7"
    & skf18("8","4","6","6","1","7","1") = "7"
    & skf18("8","4","6","6","1","8","1") = "7"
    & skf18("8","4","6","6","1","9","1") = "8"
    & skf18("8","4","6","6","1","10","1") = "9"
    & skf18("8","4","6","6","2","1","1") = "7"
    & skf18("8","4","6","6","2","2","1") = "7"
    & skf18("8","4","6","6","2","3","1") = "7"
    & skf18("8","4","6","6","2","4","1") = "7"
    & skf18("8","4","6","6","2","5","1") = "7"
    & skf18("8","4","6","6","2","6","1") = "7"
    & skf18("8","4","6","6","2","7","1") = "7"
    & skf18("8","4","6","6","2","8","1") = "7"
    & skf18("8","4","6","6","2","9","1") = "8"
    & skf18("8","4","6","6","2","10","1") = "9"
    & skf18("8","4","6","6","3","1","1") = "7"
    & skf18("8","4","6","6","3","2","1") = "7"
    & skf18("8","4","6","6","3","3","1") = "7"
    & skf18("8","4","6","6","3","4","1") = "7"
    & skf18("8","4","6","6","3","5","1") = "7"
    & skf18("8","4","6","6","3","6","1") = "7"
    & skf18("8","4","6","6","3","7","1") = "7"
    & skf18("8","4","6","6","3","8","1") = "7"
    & skf18("8","4","6","6","3","9","1") = "8"
    & skf18("8","4","6","6","3","10","1") = "9"
    & skf18("8","4","6","6","4","1","1") = "7"
    & skf18("8","4","6","6","4","2","1") = "7"
    & skf18("8","4","6","6","4","3","1") = "7"
    & skf18("8","4","6","6","4","4","1") = "7"
    & skf18("8","4","6","6","4","5","1") = "7"
    & skf18("8","4","6","6","4","6","1") = "7"
    & skf18("8","4","6","6","4","7","1") = "7"
    & skf18("8","4","6","6","4","8","1") = "7"
    & skf18("8","4","6","6","4","9","1") = "8"
    & skf18("8","4","6","6","4","10","1") = "9"
    & skf18("8","4","6","6","5","1","1") = "7"
    & skf18("8","4","6","6","5","2","1") = "7"
    & skf18("8","4","6","6","5","3","1") = "7"
    & skf18("8","4","6","6","5","4","1") = "7"
    & skf18("8","4","6","6","5","5","1") = "7"
    & skf18("8","4","6","6","5","6","1") = "7"
    & skf18("8","4","6","6","5","7","1") = "7"
    & skf18("8","4","6","6","5","8","1") = "7"
    & skf18("8","4","6","6","5","9","1") = "8"
    & skf18("8","4","6","6","5","10","1") = "9"
    & skf18("8","4","6","6","6","1","1") = "7"
    & skf18("8","4","6","6","6","2","1") = "7"
    & skf18("8","4","6","6","6","3","1") = "7"
    & skf18("8","4","6","6","6","4","1") = "7"
    & skf18("8","4","6","6","6","5","1") = "7"
    & skf18("8","4","6","6","6","6","1") = "7"
    & skf18("8","4","6","6","6","7","1") = "7"
    & skf18("8","4","6","6","6","8","1") = "7"
    & skf18("8","4","6","6","6","9","1") = "8"
    & skf18("8","4","6","6","6","10","1") = "9"
    & skf18("8","4","6","6","7","1","1") = "7"
    & skf18("8","4","6","6","7","2","1") = "7"
    & skf18("8","4","6","6","7","3","1") = "7"
    & skf18("8","4","6","6","7","4","1") = "7"
    & skf18("8","4","6","6","7","5","1") = "7"
    & skf18("8","4","6","6","7","6","1") = "7"
    & skf18("8","4","6","6","7","7","1") = "7"
    & skf18("8","4","6","6","7","8","1") = "7"
    & skf18("8","4","6","6","7","9","1") = "8"
    & skf18("8","4","6","6","7","10","1") = "9"
    & skf18("8","4","6","6","8","1","1") = "7"
    & skf18("8","4","6","6","8","2","1") = "7"
    & skf18("8","4","6","6","8","3","1") = "7"
    & skf18("8","4","6","6","8","4","1") = "7"
    & skf18("8","4","6","6","8","5","1") = "7"
    & skf18("8","4","6","6","8","6","1") = "7"
    & skf18("8","4","6","6","8","7","1") = "7"
    & skf18("8","4","6","6","8","8","1") = "7"
    & skf18("8","4","6","6","8","9","1") = "8"
    & skf18("8","4","6","6","8","10","1") = "9"
    & skf18("8","4","6","6","9","1","1") = "8"
    & skf18("8","4","6","6","9","2","1") = "8"
    & skf18("8","4","6","6","9","3","1") = "8"
    & skf18("8","4","6","6","9","4","1") = "8"
    & skf18("8","4","6","6","9","5","1") = "8"
    & skf18("8","4","6","6","9","6","1") = "8"
    & skf18("8","4","6","6","9","7","1") = "8"
    & skf18("8","4","6","6","9","8","1") = "8"
    & skf18("8","4","6","6","9","9","1") = "8"
    & skf18("8","4","6","6","9","10","1") = "9"
    & skf18("8","4","6","6","10","1","1") = "9"
    & skf18("8","4","6","6","10","2","1") = "9"
    & skf18("8","4","6","6","10","3","1") = "9"
    & skf18("8","4","6","6","10","4","1") = "9"
    & skf18("8","4","6","6","10","5","1") = "9"
    & skf18("8","4","6","6","10","6","1") = "9"
    & skf18("8","4","6","6","10","7","1") = "9"
    & skf18("8","4","6","6","10","8","1") = "9"
    & skf18("8","4","6","6","10","9","1") = "9"
    & skf18("8","4","6","6","10","10","1") = "9"
    & skf18("8","4","6","7","1","1","1") = "7"
    & skf18("8","4","6","7","1","2","1") = "7"
    & skf18("8","4","6","7","1","3","1") = "7"
    & skf18("8","4","6","7","1","4","1") = "7"
    & skf18("8","4","6","7","1","5","1") = "7"
    & skf18("8","4","6","7","1","6","1") = "7"
    & skf18("8","4","6","7","1","7","1") = "7"
    & skf18("8","4","6","7","1","8","1") = "7"
    & skf18("8","4","6","7","1","9","1") = "8"
    & skf18("8","4","6","7","1","10","1") = "9"
    & skf18("8","4","6","7","2","1","1") = "7"
    & skf18("8","4","6","7","2","2","1") = "7"
    & skf18("8","4","6","7","2","3","1") = "7"
    & skf18("8","4","6","7","2","4","1") = "7"
    & skf18("8","4","6","7","2","5","1") = "7"
    & skf18("8","4","6","7","2","6","1") = "7"
    & skf18("8","4","6","7","2","7","1") = "7"
    & skf18("8","4","6","7","2","8","1") = "7"
    & skf18("8","4","6","7","2","9","1") = "8"
    & skf18("8","4","6","7","2","10","1") = "9"
    & skf18("8","4","6","7","3","1","1") = "7"
    & skf18("8","4","6","7","3","2","1") = "7"
    & skf18("8","4","6","7","3","3","1") = "7"
    & skf18("8","4","6","7","3","4","1") = "7"
    & skf18("8","4","6","7","3","5","1") = "7"
    & skf18("8","4","6","7","3","6","1") = "7"
    & skf18("8","4","6","7","3","7","1") = "7"
    & skf18("8","4","6","7","3","8","1") = "7"
    & skf18("8","4","6","7","3","9","1") = "8"
    & skf18("8","4","6","7","3","10","1") = "9"
    & skf18("8","4","6","7","4","1","1") = "7"
    & skf18("8","4","6","7","4","2","1") = "7"
    & skf18("8","4","6","7","4","3","1") = "7"
    & skf18("8","4","6","7","4","4","1") = "7"
    & skf18("8","4","6","7","4","5","1") = "7"
    & skf18("8","4","6","7","4","6","1") = "7"
    & skf18("8","4","6","7","4","7","1") = "7"
    & skf18("8","4","6","7","4","8","1") = "7"
    & skf18("8","4","6","7","4","9","1") = "8"
    & skf18("8","4","6","7","4","10","1") = "9"
    & skf18("8","4","6","7","5","1","1") = "7"
    & skf18("8","4","6","7","5","2","1") = "7"
    & skf18("8","4","6","7","5","3","1") = "7"
    & skf18("8","4","6","7","5","4","1") = "7"
    & skf18("8","4","6","7","5","5","1") = "7"
    & skf18("8","4","6","7","5","6","1") = "7"
    & skf18("8","4","6","7","5","7","1") = "7"
    & skf18("8","4","6","7","5","8","1") = "7"
    & skf18("8","4","6","7","5","9","1") = "8"
    & skf18("8","4","6","7","5","10","1") = "9"
    & skf18("8","4","6","7","6","1","1") = "7"
    & skf18("8","4","6","7","6","2","1") = "7"
    & skf18("8","4","6","7","6","3","1") = "7"
    & skf18("8","4","6","7","6","4","1") = "7"
    & skf18("8","4","6","7","6","5","1") = "7"
    & skf18("8","4","6","7","6","6","1") = "7"
    & skf18("8","4","6","7","6","7","1") = "7"
    & skf18("8","4","6","7","6","8","1") = "7"
    & skf18("8","4","6","7","6","9","1") = "8"
    & skf18("8","4","6","7","6","10","1") = "9"
    & skf18("8","4","6","7","7","1","1") = "7"
    & skf18("8","4","6","7","7","2","1") = "7"
    & skf18("8","4","6","7","7","3","1") = "7"
    & skf18("8","4","6","7","7","4","1") = "7"
    & skf18("8","4","6","7","7","5","1") = "7"
    & skf18("8","4","6","7","7","6","1") = "7"
    & skf18("8","4","6","7","7","7","1") = "7"
    & skf18("8","4","6","7","7","8","1") = "7"
    & skf18("8","4","6","7","7","9","1") = "8"
    & skf18("8","4","6","7","7","10","1") = "9"
    & skf18("8","4","6","7","8","1","1") = "7"
    & skf18("8","4","6","7","8","2","1") = "7"
    & skf18("8","4","6","7","8","3","1") = "7"
    & skf18("8","4","6","7","8","4","1") = "7"
    & skf18("8","4","6","7","8","5","1") = "7"
    & skf18("8","4","6","7","8","6","1") = "7"
    & skf18("8","4","6","7","8","7","1") = "7"
    & skf18("8","4","6","7","8","8","1") = "7"
    & skf18("8","4","6","7","8","9","1") = "8"
    & skf18("8","4","6","7","8","10","1") = "9"
    & skf18("8","4","6","7","9","1","1") = "8"
    & skf18("8","4","6","7","9","2","1") = "8"
    & skf18("8","4","6","7","9","3","1") = "8"
    & skf18("8","4","6","7","9","4","1") = "8"
    & skf18("8","4","6","7","9","5","1") = "8"
    & skf18("8","4","6","7","9","6","1") = "8"
    & skf18("8","4","6","7","9","7","1") = "8"
    & skf18("8","4","6","7","9","8","1") = "8"
    & skf18("8","4","6","7","9","9","1") = "8"
    & skf18("8","4","6","7","9","10","1") = "9"
    & skf18("8","4","6","7","10","1","1") = "9"
    & skf18("8","4","6","7","10","2","1") = "9"
    & skf18("8","4","6","7","10","3","1") = "9"
    & skf18("8","4","6","7","10","4","1") = "9"
    & skf18("8","4","6","7","10","5","1") = "9"
    & skf18("8","4","6","7","10","6","1") = "9"
    & skf18("8","4","6","7","10","7","1") = "9"
    & skf18("8","4","6","7","10","8","1") = "9"
    & skf18("8","4","6","7","10","9","1") = "9"
    & skf18("8","4","6","7","10","10","1") = "9"
    & skf18("8","4","6","8","1","1","1") = "7"
    & skf18("8","4","6","8","1","2","1") = "7"
    & skf18("8","4","6","8","1","3","1") = "7"
    & skf18("8","4","6","8","1","4","1") = "7"
    & skf18("8","4","6","8","1","5","1") = "7"
    & skf18("8","4","6","8","1","6","1") = "7"
    & skf18("8","4","6","8","1","7","1") = "7"
    & skf18("8","4","6","8","1","8","1") = "7"
    & skf18("8","4","6","8","1","9","1") = "8"
    & skf18("8","4","6","8","1","10","1") = "9"
    & skf18("8","4","6","8","2","1","1") = "7"
    & skf18("8","4","6","8","2","2","1") = "7"
    & skf18("8","4","6","8","2","3","1") = "7"
    & skf18("8","4","6","8","2","4","1") = "7"
    & skf18("8","4","6","8","2","5","1") = "7"
    & skf18("8","4","6","8","2","6","1") = "7"
    & skf18("8","4","6","8","2","7","1") = "7"
    & skf18("8","4","6","8","2","8","1") = "7"
    & skf18("8","4","6","8","2","9","1") = "8"
    & skf18("8","4","6","8","2","10","1") = "9"
    & skf18("8","4","6","8","3","1","1") = "7"
    & skf18("8","4","6","8","3","2","1") = "7"
    & skf18("8","4","6","8","3","3","1") = "7"
    & skf18("8","4","6","8","3","4","1") = "7"
    & skf18("8","4","6","8","3","5","1") = "7"
    & skf18("8","4","6","8","3","6","1") = "7"
    & skf18("8","4","6","8","3","7","1") = "7"
    & skf18("8","4","6","8","3","8","1") = "7"
    & skf18("8","4","6","8","3","9","1") = "8"
    & skf18("8","4","6","8","3","10","1") = "9"
    & skf18("8","4","6","8","4","1","1") = "7"
    & skf18("8","4","6","8","4","2","1") = "7"
    & skf18("8","4","6","8","4","3","1") = "7"
    & skf18("8","4","6","8","4","4","1") = "7"
    & skf18("8","4","6","8","4","5","1") = "7"
    & skf18("8","4","6","8","4","6","1") = "7"
    & skf18("8","4","6","8","4","7","1") = "7"
    & skf18("8","4","6","8","4","8","1") = "7"
    & skf18("8","4","6","8","4","9","1") = "8"
    & skf18("8","4","6","8","4","10","1") = "9"
    & skf18("8","4","6","8","5","1","1") = "7"
    & skf18("8","4","6","8","5","2","1") = "7"
    & skf18("8","4","6","8","5","3","1") = "7"
    & skf18("8","4","6","8","5","4","1") = "7"
    & skf18("8","4","6","8","5","5","1") = "7"
    & skf18("8","4","6","8","5","6","1") = "7"
    & skf18("8","4","6","8","5","7","1") = "7"
    & skf18("8","4","6","8","5","8","1") = "7"
    & skf18("8","4","6","8","5","9","1") = "8"
    & skf18("8","4","6","8","5","10","1") = "9"
    & skf18("8","4","6","8","6","1","1") = "7"
    & skf18("8","4","6","8","6","2","1") = "7"
    & skf18("8","4","6","8","6","3","1") = "7"
    & skf18("8","4","6","8","6","4","1") = "7"
    & skf18("8","4","6","8","6","5","1") = "7"
    & skf18("8","4","6","8","6","6","1") = "7"
    & skf18("8","4","6","8","6","7","1") = "7"
    & skf18("8","4","6","8","6","8","1") = "7"
    & skf18("8","4","6","8","6","9","1") = "8"
    & skf18("8","4","6","8","6","10","1") = "9"
    & skf18("8","4","6","8","7","1","1") = "7"
    & skf18("8","4","6","8","7","2","1") = "7"
    & skf18("8","4","6","8","7","3","1") = "7"
    & skf18("8","4","6","8","7","4","1") = "7"
    & skf18("8","4","6","8","7","5","1") = "7"
    & skf18("8","4","6","8","7","6","1") = "7"
    & skf18("8","4","6","8","7","7","1") = "7"
    & skf18("8","4","6","8","7","8","1") = "7"
    & skf18("8","4","6","8","7","9","1") = "8"
    & skf18("8","4","6","8","7","10","1") = "9"
    & skf18("8","4","6","8","8","1","1") = "7"
    & skf18("8","4","6","8","8","2","1") = "7"
    & skf18("8","4","6","8","8","3","1") = "7"
    & skf18("8","4","6","8","8","4","1") = "7"
    & skf18("8","4","6","8","8","5","1") = "7"
    & skf18("8","4","6","8","8","6","1") = "7"
    & skf18("8","4","6","8","8","7","1") = "7"
    & skf18("8","4","6","8","8","8","1") = "7"
    & skf18("8","4","6","8","8","9","1") = "8"
    & skf18("8","4","6","8","8","10","1") = "9"
    & skf18("8","4","6","8","9","1","1") = "8"
    & skf18("8","4","6","8","9","2","1") = "8"
    & skf18("8","4","6","8","9","3","1") = "8"
    & skf18("8","4","6","8","9","4","1") = "8"
    & skf18("8","4","6","8","9","5","1") = "8"
    & skf18("8","4","6","8","9","6","1") = "8"
    & skf18("8","4","6","8","9","7","1") = "8"
    & skf18("8","4","6","8","9","8","1") = "8"
    & skf18("8","4","6","8","9","9","1") = "8"
    & skf18("8","4","6","8","9","10","1") = "9"
    & skf18("8","4","6","8","10","1","1") = "9"
    & skf18("8","4","6","8","10","2","1") = "9"
    & skf18("8","4","6","8","10","3","1") = "9"
    & skf18("8","4","6","8","10","4","1") = "9"
    & skf18("8","4","6","8","10","5","1") = "9"
    & skf18("8","4","6","8","10","6","1") = "9"
    & skf18("8","4","6","8","10","7","1") = "9"
    & skf18("8","4","6","8","10","8","1") = "9"
    & skf18("8","4","6","8","10","9","1") = "9"
    & skf18("8","4","6","8","10","10","1") = "9"
    & skf18("8","4","6","9","1","1","1") = "8"
    & skf18("8","4","6","9","1","2","1") = "8"
    & skf18("8","4","6","9","1","3","1") = "8"
    & skf18("8","4","6","9","1","4","1") = "8"
    & skf18("8","4","6","9","1","5","1") = "8"
    & skf18("8","4","6","9","1","6","1") = "8"
    & skf18("8","4","6","9","1","7","1") = "8"
    & skf18("8","4","6","9","1","8","1") = "8"
    & skf18("8","4","6","9","1","9","1") = "8"
    & skf18("8","4","6","9","1","10","1") = "9"
    & skf18("8","4","6","9","2","1","1") = "8"
    & skf18("8","4","6","9","2","2","1") = "8"
    & skf18("8","4","6","9","2","3","1") = "8"
    & skf18("8","4","6","9","2","4","1") = "8"
    & skf18("8","4","6","9","2","5","1") = "8"
    & skf18("8","4","6","9","2","6","1") = "8"
    & skf18("8","4","6","9","2","7","1") = "8"
    & skf18("8","4","6","9","2","8","1") = "8"
    & skf18("8","4","6","9","2","9","1") = "8"
    & skf18("8","4","6","9","2","10","1") = "9"
    & skf18("8","4","6","9","3","1","1") = "8"
    & skf18("8","4","6","9","3","2","1") = "8"
    & skf18("8","4","6","9","3","3","1") = "8"
    & skf18("8","4","6","9","3","4","1") = "8"
    & skf18("8","4","6","9","3","5","1") = "8"
    & skf18("8","4","6","9","3","6","1") = "8"
    & skf18("8","4","6","9","3","7","1") = "8"
    & skf18("8","4","6","9","3","8","1") = "8"
    & skf18("8","4","6","9","3","9","1") = "8"
    & skf18("8","4","6","9","3","10","1") = "9"
    & skf18("8","4","6","9","4","1","1") = "8"
    & skf18("8","4","6","9","4","2","1") = "8"
    & skf18("8","4","6","9","4","3","1") = "8"
    & skf18("8","4","6","9","4","4","1") = "8"
    & skf18("8","4","6","9","4","5","1") = "8"
    & skf18("8","4","6","9","4","6","1") = "8"
    & skf18("8","4","6","9","4","7","1") = "8"
    & skf18("8","4","6","9","4","8","1") = "8"
    & skf18("8","4","6","9","4","9","1") = "8"
    & skf18("8","4","6","9","4","10","1") = "9"
    & skf18("8","4","6","9","5","1","1") = "8"
    & skf18("8","4","6","9","5","2","1") = "8"
    & skf18("8","4","6","9","5","3","1") = "8"
    & skf18("8","4","6","9","5","4","1") = "8"
    & skf18("8","4","6","9","5","5","1") = "8"
    & skf18("8","4","6","9","5","6","1") = "8"
    & skf18("8","4","6","9","5","7","1") = "8"
    & skf18("8","4","6","9","5","8","1") = "8"
    & skf18("8","4","6","9","5","9","1") = "8"
    & skf18("8","4","6","9","5","10","1") = "9"
    & skf18("8","4","6","9","6","1","1") = "8"
    & skf18("8","4","6","9","6","2","1") = "8"
    & skf18("8","4","6","9","6","3","1") = "8"
    & skf18("8","4","6","9","6","4","1") = "8"
    & skf18("8","4","6","9","6","5","1") = "8"
    & skf18("8","4","6","9","6","6","1") = "8"
    & skf18("8","4","6","9","6","7","1") = "8"
    & skf18("8","4","6","9","6","8","1") = "8"
    & skf18("8","4","6","9","6","9","1") = "8"
    & skf18("8","4","6","9","6","10","1") = "9"
    & skf18("8","4","6","9","7","1","1") = "8"
    & skf18("8","4","6","9","7","2","1") = "8"
    & skf18("8","4","6","9","7","3","1") = "8"
    & skf18("8","4","6","9","7","4","1") = "8"
    & skf18("8","4","6","9","7","5","1") = "8"
    & skf18("8","4","6","9","7","6","1") = "8"
    & skf18("8","4","6","9","7","7","1") = "8"
    & skf18("8","4","6","9","7","8","1") = "8"
    & skf18("8","4","6","9","7","9","1") = "8"
    & skf18("8","4","6","9","7","10","1") = "9"
    & skf18("8","4","6","9","8","1","1") = "8"
    & skf18("8","4","6","9","8","2","1") = "8"
    & skf18("8","4","6","9","8","3","1") = "8"
    & skf18("8","4","6","9","8","4","1") = "8"
    & skf18("8","4","6","9","8","5","1") = "8"
    & skf18("8","4","6","9","8","6","1") = "8"
    & skf18("8","4","6","9","8","7","1") = "8"
    & skf18("8","4","6","9","8","8","1") = "8"
    & skf18("8","4","6","9","8","9","1") = "8"
    & skf18("8","4","6","9","8","10","1") = "9"
    & skf18("8","4","6","9","9","1","1") = "8"
    & skf18("8","4","6","9","9","2","1") = "8"
    & skf18("8","4","6","9","9","3","1") = "8"
    & skf18("8","4","6","9","9","4","1") = "8"
    & skf18("8","4","6","9","9","5","1") = "8"
    & skf18("8","4","6","9","9","6","1") = "8"
    & skf18("8","4","6","9","9","7","1") = "8"
    & skf18("8","4","6","9","9","8","1") = "8"
    & skf18("8","4","6","9","9","9","1") = "8"
    & skf18("8","4","6","9","9","10","1") = "9"
    & skf18("8","4","6","9","10","1","1") = "9"
    & skf18("8","4","6","9","10","2","1") = "9"
    & skf18("8","4","6","9","10","3","1") = "9"
    & skf18("8","4","6","9","10","4","1") = "9"
    & skf18("8","4","6","9","10","5","1") = "9"
    & skf18("8","4","6","9","10","6","1") = "9"
    & skf18("8","4","6","9","10","7","1") = "9"
    & skf18("8","4","6","9","10","8","1") = "9"
    & skf18("8","4","6","9","10","9","1") = "9"
    & skf18("8","4","6","9","10","10","1") = "9"
    & skf18("8","4","6","10","1","1","1") = "9"
    & skf18("8","4","6","10","1","2","1") = "9"
    & skf18("8","4","6","10","1","3","1") = "9"
    & skf18("8","4","6","10","1","4","1") = "9"
    & skf18("8","4","6","10","1","5","1") = "9"
    & skf18("8","4","6","10","1","6","1") = "9"
    & skf18("8","4","6","10","1","7","1") = "9"
    & skf18("8","4","6","10","1","8","1") = "9"
    & skf18("8","4","6","10","1","9","1") = "9"
    & skf18("8","4","6","10","1","10","1") = "9"
    & skf18("8","4","6","10","2","1","1") = "9"
    & skf18("8","4","6","10","2","2","1") = "9"
    & skf18("8","4","6","10","2","3","1") = "9"
    & skf18("8","4","6","10","2","4","1") = "9"
    & skf18("8","4","6","10","2","5","1") = "9"
    & skf18("8","4","6","10","2","6","1") = "9"
    & skf18("8","4","6","10","2","7","1") = "9"
    & skf18("8","4","6","10","2","8","1") = "9"
    & skf18("8","4","6","10","2","9","1") = "9"
    & skf18("8","4","6","10","2","10","1") = "9"
    & skf18("8","4","6","10","3","1","1") = "9"
    & skf18("8","4","6","10","3","2","1") = "9"
    & skf18("8","4","6","10","3","3","1") = "9"
    & skf18("8","4","6","10","3","4","1") = "9"
    & skf18("8","4","6","10","3","5","1") = "9"
    & skf18("8","4","6","10","3","6","1") = "9"
    & skf18("8","4","6","10","3","7","1") = "9"
    & skf18("8","4","6","10","3","8","1") = "9"
    & skf18("8","4","6","10","3","9","1") = "9"
    & skf18("8","4","6","10","3","10","1") = "9"
    & skf18("8","4","6","10","4","1","1") = "9"
    & skf18("8","4","6","10","4","2","1") = "9"
    & skf18("8","4","6","10","4","3","1") = "9"
    & skf18("8","4","6","10","4","4","1") = "9"
    & skf18("8","4","6","10","4","5","1") = "9"
    & skf18("8","4","6","10","4","6","1") = "9"
    & skf18("8","4","6","10","4","7","1") = "9"
    & skf18("8","4","6","10","4","8","1") = "9"
    & skf18("8","4","6","10","4","9","1") = "9"
    & skf18("8","4","6","10","4","10","1") = "9"
    & skf18("8","4","6","10","5","1","1") = "9"
    & skf18("8","4","6","10","5","2","1") = "9"
    & skf18("8","4","6","10","5","3","1") = "9"
    & skf18("8","4","6","10","5","4","1") = "9"
    & skf18("8","4","6","10","5","5","1") = "9"
    & skf18("8","4","6","10","5","6","1") = "9"
    & skf18("8","4","6","10","5","7","1") = "9"
    & skf18("8","4","6","10","5","8","1") = "9"
    & skf18("8","4","6","10","5","9","1") = "9"
    & skf18("8","4","6","10","5","10","1") = "9"
    & skf18("8","4","6","10","6","1","1") = "9"
    & skf18("8","4","6","10","6","2","1") = "9"
    & skf18("8","4","6","10","6","3","1") = "9"
    & skf18("8","4","6","10","6","4","1") = "9"
    & skf18("8","4","6","10","6","5","1") = "9"
    & skf18("8","4","6","10","6","6","1") = "9"
    & skf18("8","4","6","10","6","7","1") = "9"
    & skf18("8","4","6","10","6","8","1") = "9"
    & skf18("8","4","6","10","6","9","1") = "9"
    & skf18("8","4","6","10","6","10","1") = "9"
    & skf18("8","4","6","10","7","1","1") = "9"
    & skf18("8","4","6","10","7","2","1") = "9"
    & skf18("8","4","6","10","7","3","1") = "9"
    & skf18("8","4","6","10","7","4","1") = "9"
    & skf18("8","4","6","10","7","5","1") = "9"
    & skf18("8","4","6","10","7","6","1") = "9"
    & skf18("8","4","6","10","7","7","1") = "9"
    & skf18("8","4","6","10","7","8","1") = "9"
    & skf18("8","4","6","10","7","9","1") = "9"
    & skf18("8","4","6","10","7","10","1") = "9"
    & skf18("8","4","6","10","8","1","1") = "9"
    & skf18("8","4","6","10","8","2","1") = "9"
    & skf18("8","4","6","10","8","3","1") = "9"
    & skf18("8","4","6","10","8","4","1") = "9"
    & skf18("8","4","6","10","8","5","1") = "9"
    & skf18("8","4","6","10","8","6","1") = "9"
    & skf18("8","4","6","10","8","7","1") = "9"
    & skf18("8","4","6","10","8","8","1") = "9"
    & skf18("8","4","6","10","8","9","1") = "9"
    & skf18("8","4","6","10","8","10","1") = "9"
    & skf18("8","4","6","10","9","1","1") = "9"
    & skf18("8","4","6","10","9","2","1") = "9"
    & skf18("8","4","6","10","9","3","1") = "9"
    & skf18("8","4","6","10","9","4","1") = "9"
    & skf18("8","4","6","10","9","5","1") = "9"
    & skf18("8","4","6","10","9","6","1") = "9"
    & skf18("8","4","6","10","9","7","1") = "9"
    & skf18("8","4","6","10","9","8","1") = "9"
    & skf18("8","4","6","10","9","9","1") = "9"
    & skf18("8","4","6","10","9","10","1") = "9"
    & skf18("8","4","6","10","10","1","1") = "9"
    & skf18("8","4","6","10","10","2","1") = "9"
    & skf18("8","4","6","10","10","3","1") = "9"
    & skf18("8","4","6","10","10","4","1") = "9"
    & skf18("8","4","6","10","10","5","1") = "9"
    & skf18("8","4","6","10","10","6","1") = "9"
    & skf18("8","4","6","10","10","7","1") = "9"
    & skf18("8","4","6","10","10","8","1") = "9"
    & skf18("8","4","6","10","10","9","1") = "9"
    & skf18("8","4","6","10","10","10","1") = "9"
    & skf18("8","4","7","1","1","1","1") = "7"
    & skf18("8","4","7","1","1","2","1") = "7"
    & skf18("8","4","7","1","1","3","1") = "7"
    & skf18("8","4","7","1","1","4","1") = "7"
    & skf18("8","4","7","1","1","5","1") = "7"
    & skf18("8","4","7","1","1","6","1") = "7"
    & skf18("8","4","7","1","1","7","1") = "7"
    & skf18("8","4","7","1","1","8","1") = "7"
    & skf18("8","4","7","1","1","9","1") = "8"
    & skf18("8","4","7","1","1","10","1") = "9"
    & skf18("8","4","7","1","2","1","1") = "7"
    & skf18("8","4","7","1","2","2","1") = "7"
    & skf18("8","4","7","1","2","3","1") = "7"
    & skf18("8","4","7","1","2","4","1") = "7"
    & skf18("8","4","7","1","2","5","1") = "7"
    & skf18("8","4","7","1","2","6","1") = "7"
    & skf18("8","4","7","1","2","7","1") = "7"
    & skf18("8","4","7","1","2","8","1") = "7"
    & skf18("8","4","7","1","2","9","1") = "8"
    & skf18("8","4","7","1","2","10","1") = "9"
    & skf18("8","4","7","1","3","1","1") = "7"
    & skf18("8","4","7","1","3","2","1") = "7"
    & skf18("8","4","7","1","3","3","1") = "7"
    & skf18("8","4","7","1","3","4","1") = "7"
    & skf18("8","4","7","1","3","5","1") = "7"
    & skf18("8","4","7","1","3","6","1") = "7"
    & skf18("8","4","7","1","3","7","1") = "7"
    & skf18("8","4","7","1","3","8","1") = "7"
    & skf18("8","4","7","1","3","9","1") = "8"
    & skf18("8","4","7","1","3","10","1") = "9"
    & skf18("8","4","7","1","4","1","1") = "7"
    & skf18("8","4","7","1","4","2","1") = "7"
    & skf18("8","4","7","1","4","3","1") = "7"
    & skf18("8","4","7","1","4","4","1") = "7"
    & skf18("8","4","7","1","4","5","1") = "7"
    & skf18("8","4","7","1","4","6","1") = "7"
    & skf18("8","4","7","1","4","7","1") = "7"
    & skf18("8","4","7","1","4","8","1") = "7"
    & skf18("8","4","7","1","4","9","1") = "8"
    & skf18("8","4","7","1","4","10","1") = "9"
    & skf18("8","4","7","1","5","1","1") = "7"
    & skf18("8","4","7","1","5","2","1") = "7"
    & skf18("8","4","7","1","5","3","1") = "7"
    & skf18("8","4","7","1","5","4","1") = "7"
    & skf18("8","4","7","1","5","5","1") = "7"
    & skf18("8","4","7","1","5","6","1") = "7"
    & skf18("8","4","7","1","5","7","1") = "7"
    & skf18("8","4","7","1","5","8","1") = "7"
    & skf18("8","4","7","1","5","9","1") = "8"
    & skf18("8","4","7","1","5","10","1") = "9"
    & skf18("8","4","7","1","6","1","1") = "7"
    & skf18("8","4","7","1","6","2","1") = "7"
    & skf18("8","4","7","1","6","3","1") = "7"
    & skf18("8","4","7","1","6","4","1") = "7"
    & skf18("8","4","7","1","6","5","1") = "7"
    & skf18("8","4","7","1","6","6","1") = "7"
    & skf18("8","4","7","1","6","7","1") = "7"
    & skf18("8","4","7","1","6","8","1") = "7"
    & skf18("8","4","7","1","6","9","1") = "8"
    & skf18("8","4","7","1","6","10","1") = "9"
    & skf18("8","4","7","1","7","1","1") = "7"
    & skf18("8","4","7","1","7","2","1") = "7"
    & skf18("8","4","7","1","7","3","1") = "7"
    & skf18("8","4","7","1","7","4","1") = "7"
    & skf18("8","4","7","1","7","5","1") = "7"
    & skf18("8","4","7","1","7","6","1") = "7"
    & skf18("8","4","7","1","7","7","1") = "7"
    & skf18("8","4","7","1","7","8","1") = "7"
    & skf18("8","4","7","1","7","9","1") = "8"
    & skf18("8","4","7","1","7","10","1") = "9"
    & skf18("8","4","7","1","8","1","1") = "7"
    & skf18("8","4","7","1","8","2","1") = "7"
    & skf18("8","4","7","1","8","3","1") = "7"
    & skf18("8","4","7","1","8","4","1") = "7"
    & skf18("8","4","7","1","8","5","1") = "7"
    & skf18("8","4","7","1","8","6","1") = "7"
    & skf18("8","4","7","1","8","7","1") = "7"
    & skf18("8","4","7","1","8","8","1") = "7"
    & skf18("8","4","7","1","8","9","1") = "8"
    & skf18("8","4","7","1","8","10","1") = "9"
    & skf18("8","4","7","1","9","1","1") = "8"
    & skf18("8","4","7","1","9","2","1") = "8"
    & skf18("8","4","7","1","9","3","1") = "8"
    & skf18("8","4","7","1","9","4","1") = "8"
    & skf18("8","4","7","1","9","5","1") = "8"
    & skf18("8","4","7","1","9","6","1") = "8"
    & skf18("8","4","7","1","9","7","1") = "8"
    & skf18("8","4","7","1","9","8","1") = "8"
    & skf18("8","4","7","1","9","9","1") = "8"
    & skf18("8","4","7","1","9","10","1") = "9"
    & skf18("8","4","7","1","10","1","1") = "9"
    & skf18("8","4","7","1","10","2","1") = "9"
    & skf18("8","4","7","1","10","3","1") = "9"
    & skf18("8","4","7","1","10","4","1") = "9"
    & skf18("8","4","7","1","10","5","1") = "9"
    & skf18("8","4","7","1","10","6","1") = "9"
    & skf18("8","4","7","1","10","7","1") = "9"
    & skf18("8","4","7","1","10","8","1") = "9"
    & skf18("8","4","7","1","10","9","1") = "9"
    & skf18("8","4","7","1","10","10","1") = "9"
    & skf18("8","4","7","2","1","1","1") = "7"
    & skf18("8","4","7","2","1","2","1") = "7"
    & skf18("8","4","7","2","1","3","1") = "7"
    & skf18("8","4","7","2","1","4","1") = "7"
    & skf18("8","4","7","2","1","5","1") = "7"
    & skf18("8","4","7","2","1","6","1") = "7"
    & skf18("8","4","7","2","1","7","1") = "7"
    & skf18("8","4","7","2","1","8","1") = "7"
    & skf18("8","4","7","2","1","9","1") = "8"
    & skf18("8","4","7","2","1","10","1") = "9"
    & skf18("8","4","7","2","2","1","1") = "7"
    & skf18("8","4","7","2","2","2","1") = "7"
    & skf18("8","4","7","2","2","3","1") = "7"
    & skf18("8","4","7","2","2","4","1") = "7"
    & skf18("8","4","7","2","2","5","1") = "7"
    & skf18("8","4","7","2","2","6","1") = "7"
    & skf18("8","4","7","2","2","7","1") = "7"
    & skf18("8","4","7","2","2","8","1") = "7"
    & skf18("8","4","7","2","2","9","1") = "8"
    & skf18("8","4","7","2","2","10","1") = "9"
    & skf18("8","4","7","2","3","1","1") = "7"
    & skf18("8","4","7","2","3","2","1") = "7"
    & skf18("8","4","7","2","3","3","1") = "7"
    & skf18("8","4","7","2","3","4","1") = "7"
    & skf18("8","4","7","2","3","5","1") = "7"
    & skf18("8","4","7","2","3","6","1") = "7"
    & skf18("8","4","7","2","3","7","1") = "7"
    & skf18("8","4","7","2","3","8","1") = "7"
    & skf18("8","4","7","2","3","9","1") = "8"
    & skf18("8","4","7","2","3","10","1") = "9"
    & skf18("8","4","7","2","4","1","1") = "7"
    & skf18("8","4","7","2","4","2","1") = "7"
    & skf18("8","4","7","2","4","3","1") = "7"
    & skf18("8","4","7","2","4","4","1") = "7"
    & skf18("8","4","7","2","4","5","1") = "7"
    & skf18("8","4","7","2","4","6","1") = "7"
    & skf18("8","4","7","2","4","7","1") = "7"
    & skf18("8","4","7","2","4","8","1") = "7"
    & skf18("8","4","7","2","4","9","1") = "8"
    & skf18("8","4","7","2","4","10","1") = "9"
    & skf18("8","4","7","2","5","1","1") = "7"
    & skf18("8","4","7","2","5","2","1") = "7"
    & skf18("8","4","7","2","5","3","1") = "7"
    & skf18("8","4","7","2","5","4","1") = "7"
    & skf18("8","4","7","2","5","5","1") = "7"
    & skf18("8","4","7","2","5","6","1") = "7"
    & skf18("8","4","7","2","5","7","1") = "7"
    & skf18("8","4","7","2","5","8","1") = "7"
    & skf18("8","4","7","2","5","9","1") = "8"
    & skf18("8","4","7","2","5","10","1") = "9"
    & skf18("8","4","7","2","6","1","1") = "7"
    & skf18("8","4","7","2","6","2","1") = "7"
    & skf18("8","4","7","2","6","3","1") = "7"
    & skf18("8","4","7","2","6","4","1") = "7"
    & skf18("8","4","7","2","6","5","1") = "7"
    & skf18("8","4","7","2","6","6","1") = "7"
    & skf18("8","4","7","2","6","7","1") = "7"
    & skf18("8","4","7","2","6","8","1") = "7"
    & skf18("8","4","7","2","6","9","1") = "8"
    & skf18("8","4","7","2","6","10","1") = "9"
    & skf18("8","4","7","2","7","1","1") = "7"
    & skf18("8","4","7","2","7","2","1") = "7"
    & skf18("8","4","7","2","7","3","1") = "7"
    & skf18("8","4","7","2","7","4","1") = "7"
    & skf18("8","4","7","2","7","5","1") = "7"
    & skf18("8","4","7","2","7","6","1") = "7"
    & skf18("8","4","7","2","7","7","1") = "7"
    & skf18("8","4","7","2","7","8","1") = "7"
    & skf18("8","4","7","2","7","9","1") = "8"
    & skf18("8","4","7","2","7","10","1") = "9"
    & skf18("8","4","7","2","8","1","1") = "7"
    & skf18("8","4","7","2","8","2","1") = "7"
    & skf18("8","4","7","2","8","3","1") = "7"
    & skf18("8","4","7","2","8","4","1") = "7"
    & skf18("8","4","7","2","8","5","1") = "7"
    & skf18("8","4","7","2","8","6","1") = "7"
    & skf18("8","4","7","2","8","7","1") = "7"
    & skf18("8","4","7","2","8","8","1") = "7"
    & skf18("8","4","7","2","8","9","1") = "8"
    & skf18("8","4","7","2","8","10","1") = "9"
    & skf18("8","4","7","2","9","1","1") = "8"
    & skf18("8","4","7","2","9","2","1") = "8"
    & skf18("8","4","7","2","9","3","1") = "8"
    & skf18("8","4","7","2","9","4","1") = "8"
    & skf18("8","4","7","2","9","5","1") = "8"
    & skf18("8","4","7","2","9","6","1") = "8"
    & skf18("8","4","7","2","9","7","1") = "8"
    & skf18("8","4","7","2","9","8","1") = "8"
    & skf18("8","4","7","2","9","9","1") = "8"
    & skf18("8","4","7","2","9","10","1") = "9"
    & skf18("8","4","7","2","10","1","1") = "9"
    & skf18("8","4","7","2","10","2","1") = "9"
    & skf18("8","4","7","2","10","3","1") = "9"
    & skf18("8","4","7","2","10","4","1") = "9"
    & skf18("8","4","7","2","10","5","1") = "9"
    & skf18("8","4","7","2","10","6","1") = "9"
    & skf18("8","4","7","2","10","7","1") = "9"
    & skf18("8","4","7","2","10","8","1") = "9"
    & skf18("8","4","7","2","10","9","1") = "9"
    & skf18("8","4","7","2","10","10","1") = "9"
    & skf18("8","4","7","3","1","1","1") = "7"
    & skf18("8","4","7","3","1","2","1") = "7"
    & skf18("8","4","7","3","1","3","1") = "7"
    & skf18("8","4","7","3","1","4","1") = "7"
    & skf18("8","4","7","3","1","5","1") = "7"
    & skf18("8","4","7","3","1","6","1") = "7"
    & skf18("8","4","7","3","1","7","1") = "7"
    & skf18("8","4","7","3","1","8","1") = "7"
    & skf18("8","4","7","3","1","9","1") = "8"
    & skf18("8","4","7","3","1","10","1") = "9"
    & skf18("8","4","7","3","2","1","1") = "7"
    & skf18("8","4","7","3","2","2","1") = "7"
    & skf18("8","4","7","3","2","3","1") = "7"
    & skf18("8","4","7","3","2","4","1") = "7"
    & skf18("8","4","7","3","2","5","1") = "7"
    & skf18("8","4","7","3","2","6","1") = "7"
    & skf18("8","4","7","3","2","7","1") = "7"
    & skf18("8","4","7","3","2","8","1") = "7"
    & skf18("8","4","7","3","2","9","1") = "8"
    & skf18("8","4","7","3","2","10","1") = "9"
    & skf18("8","4","7","3","3","1","1") = "7"
    & skf18("8","4","7","3","3","2","1") = "7"
    & skf18("8","4","7","3","3","3","1") = "7"
    & skf18("8","4","7","3","3","4","1") = "7"
    & skf18("8","4","7","3","3","5","1") = "7"
    & skf18("8","4","7","3","3","6","1") = "7"
    & skf18("8","4","7","3","3","7","1") = "7"
    & skf18("8","4","7","3","3","8","1") = "7"
    & skf18("8","4","7","3","3","9","1") = "8"
    & skf18("8","4","7","3","3","10","1") = "9"
    & skf18("8","4","7","3","4","1","1") = "7"
    & skf18("8","4","7","3","4","2","1") = "7"
    & skf18("8","4","7","3","4","3","1") = "7"
    & skf18("8","4","7","3","4","4","1") = "7"
    & skf18("8","4","7","3","4","5","1") = "7"
    & skf18("8","4","7","3","4","6","1") = "7"
    & skf18("8","4","7","3","4","7","1") = "7"
    & skf18("8","4","7","3","4","8","1") = "7"
    & skf18("8","4","7","3","4","9","1") = "8"
    & skf18("8","4","7","3","4","10","1") = "9"
    & skf18("8","4","7","3","5","1","1") = "7"
    & skf18("8","4","7","3","5","2","1") = "7"
    & skf18("8","4","7","3","5","3","1") = "7"
    & skf18("8","4","7","3","5","4","1") = "7"
    & skf18("8","4","7","3","5","5","1") = "7"
    & skf18("8","4","7","3","5","6","1") = "7"
    & skf18("8","4","7","3","5","7","1") = "7"
    & skf18("8","4","7","3","5","8","1") = "7"
    & skf18("8","4","7","3","5","9","1") = "8"
    & skf18("8","4","7","3","5","10","1") = "9"
    & skf18("8","4","7","3","6","1","1") = "7"
    & skf18("8","4","7","3","6","2","1") = "7"
    & skf18("8","4","7","3","6","3","1") = "7"
    & skf18("8","4","7","3","6","4","1") = "7"
    & skf18("8","4","7","3","6","5","1") = "7"
    & skf18("8","4","7","3","6","6","1") = "7"
    & skf18("8","4","7","3","6","7","1") = "7"
    & skf18("8","4","7","3","6","8","1") = "7"
    & skf18("8","4","7","3","6","9","1") = "8"
    & skf18("8","4","7","3","6","10","1") = "9"
    & skf18("8","4","7","3","7","1","1") = "7"
    & skf18("8","4","7","3","7","2","1") = "7"
    & skf18("8","4","7","3","7","3","1") = "7"
    & skf18("8","4","7","3","7","4","1") = "7"
    & skf18("8","4","7","3","7","5","1") = "7"
    & skf18("8","4","7","3","7","6","1") = "7"
    & skf18("8","4","7","3","7","7","1") = "7"
    & skf18("8","4","7","3","7","8","1") = "7"
    & skf18("8","4","7","3","7","9","1") = "8"
    & skf18("8","4","7","3","7","10","1") = "9"
    & skf18("8","4","7","3","8","1","1") = "7"
    & skf18("8","4","7","3","8","2","1") = "7"
    & skf18("8","4","7","3","8","3","1") = "7"
    & skf18("8","4","7","3","8","4","1") = "7"
    & skf18("8","4","7","3","8","5","1") = "7"
    & skf18("8","4","7","3","8","6","1") = "7"
    & skf18("8","4","7","3","8","7","1") = "7"
    & skf18("8","4","7","3","8","8","1") = "7"
    & skf18("8","4","7","3","8","9","1") = "8"
    & skf18("8","4","7","3","8","10","1") = "9"
    & skf18("8","4","7","3","9","1","1") = "8"
    & skf18("8","4","7","3","9","2","1") = "8"
    & skf18("8","4","7","3","9","3","1") = "8"
    & skf18("8","4","7","3","9","4","1") = "8"
    & skf18("8","4","7","3","9","5","1") = "8"
    & skf18("8","4","7","3","9","6","1") = "8"
    & skf18("8","4","7","3","9","7","1") = "8"
    & skf18("8","4","7","3","9","8","1") = "8"
    & skf18("8","4","7","3","9","9","1") = "8"
    & skf18("8","4","7","3","9","10","1") = "9"
    & skf18("8","4","7","3","10","1","1") = "9"
    & skf18("8","4","7","3","10","2","1") = "9"
    & skf18("8","4","7","3","10","3","1") = "9"
    & skf18("8","4","7","3","10","4","1") = "9"
    & skf18("8","4","7","3","10","5","1") = "9"
    & skf18("8","4","7","3","10","6","1") = "9"
    & skf18("8","4","7","3","10","7","1") = "9"
    & skf18("8","4","7","3","10","8","1") = "9"
    & skf18("8","4","7","3","10","9","1") = "9"
    & skf18("8","4","7","3","10","10","1") = "9"
    & skf18("8","4","7","4","1","1","1") = "7"
    & skf18("8","4","7","4","1","2","1") = "7"
    & skf18("8","4","7","4","1","3","1") = "7"
    & skf18("8","4","7","4","1","4","1") = "7"
    & skf18("8","4","7","4","1","5","1") = "7"
    & skf18("8","4","7","4","1","6","1") = "7"
    & skf18("8","4","7","4","1","7","1") = "7"
    & skf18("8","4","7","4","1","8","1") = "7"
    & skf18("8","4","7","4","1","9","1") = "8"
    & skf18("8","4","7","4","1","10","1") = "9"
    & skf18("8","4","7","4","2","1","1") = "7"
    & skf18("8","4","7","4","2","2","1") = "7"
    & skf18("8","4","7","4","2","3","1") = "7"
    & skf18("8","4","7","4","2","4","1") = "7"
    & skf18("8","4","7","4","2","5","1") = "7"
    & skf18("8","4","7","4","2","6","1") = "7"
    & skf18("8","4","7","4","2","7","1") = "7"
    & skf18("8","4","7","4","2","8","1") = "7"
    & skf18("8","4","7","4","2","9","1") = "8"
    & skf18("8","4","7","4","2","10","1") = "9"
    & skf18("8","4","7","4","3","1","1") = "7"
    & skf18("8","4","7","4","3","2","1") = "7"
    & skf18("8","4","7","4","3","3","1") = "7"
    & skf18("8","4","7","4","3","4","1") = "7"
    & skf18("8","4","7","4","3","5","1") = "7"
    & skf18("8","4","7","4","3","6","1") = "7"
    & skf18("8","4","7","4","3","7","1") = "7"
    & skf18("8","4","7","4","3","8","1") = "7"
    & skf18("8","4","7","4","3","9","1") = "8"
    & skf18("8","4","7","4","3","10","1") = "9"
    & skf18("8","4","7","4","4","1","1") = "7"
    & skf18("8","4","7","4","4","2","1") = "7"
    & skf18("8","4","7","4","4","3","1") = "7"
    & skf18("8","4","7","4","4","4","1") = "7"
    & skf18("8","4","7","4","4","5","1") = "7"
    & skf18("8","4","7","4","4","6","1") = "7"
    & skf18("8","4","7","4","4","7","1") = "7"
    & skf18("8","4","7","4","4","8","1") = "7"
    & skf18("8","4","7","4","4","9","1") = "8"
    & skf18("8","4","7","4","4","10","1") = "9"
    & skf18("8","4","7","4","5","1","1") = "7"
    & skf18("8","4","7","4","5","2","1") = "7"
    & skf18("8","4","7","4","5","3","1") = "7"
    & skf18("8","4","7","4","5","4","1") = "7"
    & skf18("8","4","7","4","5","5","1") = "7"
    & skf18("8","4","7","4","5","6","1") = "7"
    & skf18("8","4","7","4","5","7","1") = "7"
    & skf18("8","4","7","4","5","8","1") = "7"
    & skf18("8","4","7","4","5","9","1") = "8"
    & skf18("8","4","7","4","5","10","1") = "9"
    & skf18("8","4","7","4","6","1","1") = "7"
    & skf18("8","4","7","4","6","2","1") = "7"
    & skf18("8","4","7","4","6","3","1") = "7"
    & skf18("8","4","7","4","6","4","1") = "7"
    & skf18("8","4","7","4","6","5","1") = "7"
    & skf18("8","4","7","4","6","6","1") = "7"
    & skf18("8","4","7","4","6","7","1") = "7"
    & skf18("8","4","7","4","6","8","1") = "7"
    & skf18("8","4","7","4","6","9","1") = "8"
    & skf18("8","4","7","4","6","10","1") = "9"
    & skf18("8","4","7","4","7","1","1") = "7"
    & skf18("8","4","7","4","7","2","1") = "7"
    & skf18("8","4","7","4","7","3","1") = "7"
    & skf18("8","4","7","4","7","4","1") = "7"
    & skf18("8","4","7","4","7","5","1") = "7"
    & skf18("8","4","7","4","7","6","1") = "7"
    & skf18("8","4","7","4","7","7","1") = "7"
    & skf18("8","4","7","4","7","8","1") = "7"
    & skf18("8","4","7","4","7","9","1") = "8"
    & skf18("8","4","7","4","7","10","1") = "9"
    & skf18("8","4","7","4","8","1","1") = "7"
    & skf18("8","4","7","4","8","2","1") = "7"
    & skf18("8","4","7","4","8","3","1") = "7"
    & skf18("8","4","7","4","8","4","1") = "7"
    & skf18("8","4","7","4","8","5","1") = "7"
    & skf18("8","4","7","4","8","6","1") = "7"
    & skf18("8","4","7","4","8","7","1") = "7"
    & skf18("8","4","7","4","8","8","1") = "7"
    & skf18("8","4","7","4","8","9","1") = "8"
    & skf18("8","4","7","4","8","10","1") = "9"
    & skf18("8","4","7","4","9","1","1") = "8"
    & skf18("8","4","7","4","9","2","1") = "8"
    & skf18("8","4","7","4","9","3","1") = "8"
    & skf18("8","4","7","4","9","4","1") = "8"
    & skf18("8","4","7","4","9","5","1") = "8"
    & skf18("8","4","7","4","9","6","1") = "8"
    & skf18("8","4","7","4","9","7","1") = "8"
    & skf18("8","4","7","4","9","8","1") = "8"
    & skf18("8","4","7","4","9","9","1") = "8"
    & skf18("8","4","7","4","9","10","1") = "9"
    & skf18("8","4","7","4","10","1","1") = "9"
    & skf18("8","4","7","4","10","2","1") = "9"
    & skf18("8","4","7","4","10","3","1") = "9"
    & skf18("8","4","7","4","10","4","1") = "9"
    & skf18("8","4","7","4","10","5","1") = "9"
    & skf18("8","4","7","4","10","6","1") = "9"
    & skf18("8","4","7","4","10","7","1") = "9"
    & skf18("8","4","7","4","10","8","1") = "9"
    & skf18("8","4","7","4","10","9","1") = "9"
    & skf18("8","4","7","4","10","10","1") = "9"
    & skf18("8","4","7","5","1","1","1") = "7"
    & skf18("8","4","7","5","1","2","1") = "7"
    & skf18("8","4","7","5","1","3","1") = "7"
    & skf18("8","4","7","5","1","4","1") = "7"
    & skf18("8","4","7","5","1","5","1") = "7"
    & skf18("8","4","7","5","1","6","1") = "7"
    & skf18("8","4","7","5","1","7","1") = "7"
    & skf18("8","4","7","5","1","8","1") = "7"
    & skf18("8","4","7","5","1","9","1") = "8"
    & skf18("8","4","7","5","1","10","1") = "9"
    & skf18("8","4","7","5","2","1","1") = "7"
    & skf18("8","4","7","5","2","2","1") = "7"
    & skf18("8","4","7","5","2","3","1") = "7"
    & skf18("8","4","7","5","2","4","1") = "7"
    & skf18("8","4","7","5","2","5","1") = "7"
    & skf18("8","4","7","5","2","6","1") = "7"
    & skf18("8","4","7","5","2","7","1") = "7"
    & skf18("8","4","7","5","2","8","1") = "7"
    & skf18("8","4","7","5","2","9","1") = "8"
    & skf18("8","4","7","5","2","10","1") = "9"
    & skf18("8","4","7","5","3","1","1") = "7"
    & skf18("8","4","7","5","3","2","1") = "7"
    & skf18("8","4","7","5","3","3","1") = "7"
    & skf18("8","4","7","5","3","4","1") = "7"
    & skf18("8","4","7","5","3","5","1") = "7"
    & skf18("8","4","7","5","3","6","1") = "7"
    & skf18("8","4","7","5","3","7","1") = "7"
    & skf18("8","4","7","5","3","8","1") = "7"
    & skf18("8","4","7","5","3","9","1") = "8"
    & skf18("8","4","7","5","3","10","1") = "9"
    & skf18("8","4","7","5","4","1","1") = "7"
    & skf18("8","4","7","5","4","2","1") = "7"
    & skf18("8","4","7","5","4","3","1") = "7"
    & skf18("8","4","7","5","4","4","1") = "7"
    & skf18("8","4","7","5","4","5","1") = "7"
    & skf18("8","4","7","5","4","6","1") = "7"
    & skf18("8","4","7","5","4","7","1") = "7"
    & skf18("8","4","7","5","4","8","1") = "7"
    & skf18("8","4","7","5","4","9","1") = "8"
    & skf18("8","4","7","5","4","10","1") = "9"
    & skf18("8","4","7","5","5","1","1") = "7"
    & skf18("8","4","7","5","5","2","1") = "7"
    & skf18("8","4","7","5","5","3","1") = "7"
    & skf18("8","4","7","5","5","4","1") = "7"
    & skf18("8","4","7","5","5","5","1") = "7"
    & skf18("8","4","7","5","5","6","1") = "7"
    & skf18("8","4","7","5","5","7","1") = "7"
    & skf18("8","4","7","5","5","8","1") = "7"
    & skf18("8","4","7","5","5","9","1") = "8"
    & skf18("8","4","7","5","5","10","1") = "9"
    & skf18("8","4","7","5","6","1","1") = "7"
    & skf18("8","4","7","5","6","2","1") = "7"
    & skf18("8","4","7","5","6","3","1") = "7"
    & skf18("8","4","7","5","6","4","1") = "7"
    & skf18("8","4","7","5","6","5","1") = "7"
    & skf18("8","4","7","5","6","6","1") = "7"
    & skf18("8","4","7","5","6","7","1") = "7"
    & skf18("8","4","7","5","6","8","1") = "7"
    & skf18("8","4","7","5","6","9","1") = "8"
    & skf18("8","4","7","5","6","10","1") = "9"
    & skf18("8","4","7","5","7","1","1") = "7"
    & skf18("8","4","7","5","7","2","1") = "7"
    & skf18("8","4","7","5","7","3","1") = "7"
    & skf18("8","4","7","5","7","4","1") = "7"
    & skf18("8","4","7","5","7","5","1") = "7"
    & skf18("8","4","7","5","7","6","1") = "7"
    & skf18("8","4","7","5","7","7","1") = "7"
    & skf18("8","4","7","5","7","8","1") = "7"
    & skf18("8","4","7","5","7","9","1") = "8"
    & skf18("8","4","7","5","7","10","1") = "9"
    & skf18("8","4","7","5","8","1","1") = "7"
    & skf18("8","4","7","5","8","2","1") = "7"
    & skf18("8","4","7","5","8","3","1") = "7"
    & skf18("8","4","7","5","8","4","1") = "7"
    & skf18("8","4","7","5","8","5","1") = "7"
    & skf18("8","4","7","5","8","6","1") = "7"
    & skf18("8","4","7","5","8","7","1") = "7"
    & skf18("8","4","7","5","8","8","1") = "7"
    & skf18("8","4","7","5","8","9","1") = "8"
    & skf18("8","4","7","5","8","10","1") = "9"
    & skf18("8","4","7","5","9","1","1") = "8"
    & skf18("8","4","7","5","9","2","1") = "8"
    & skf18("8","4","7","5","9","3","1") = "8"
    & skf18("8","4","7","5","9","4","1") = "8"
    & skf18("8","4","7","5","9","5","1") = "8"
    & skf18("8","4","7","5","9","6","1") = "8"
    & skf18("8","4","7","5","9","7","1") = "8"
    & skf18("8","4","7","5","9","8","1") = "8"
    & skf18("8","4","7","5","9","9","1") = "8"
    & skf18("8","4","7","5","9","10","1") = "9"
    & skf18("8","4","7","5","10","1","1") = "9"
    & skf18("8","4","7","5","10","2","1") = "9"
    & skf18("8","4","7","5","10","3","1") = "9"
    & skf18("8","4","7","5","10","4","1") = "9"
    & skf18("8","4","7","5","10","5","1") = "9"
    & skf18("8","4","7","5","10","6","1") = "9"
    & skf18("8","4","7","5","10","7","1") = "9"
    & skf18("8","4","7","5","10","8","1") = "9"
    & skf18("8","4","7","5","10","9","1") = "9"
    & skf18("8","4","7","5","10","10","1") = "9"
    & skf18("8","4","7","6","1","1","1") = "7"
    & skf18("8","4","7","6","1","2","1") = "7"
    & skf18("8","4","7","6","1","3","1") = "7"
    & skf18("8","4","7","6","1","4","1") = "7"
    & skf18("8","4","7","6","1","5","1") = "7"
    & skf18("8","4","7","6","1","6","1") = "7"
    & skf18("8","4","7","6","1","7","1") = "7"
    & skf18("8","4","7","6","1","8","1") = "7"
    & skf18("8","4","7","6","1","9","1") = "8"
    & skf18("8","4","7","6","1","10","1") = "9"
    & skf18("8","4","7","6","2","1","1") = "7"
    & skf18("8","4","7","6","2","2","1") = "7"
    & skf18("8","4","7","6","2","3","1") = "7"
    & skf18("8","4","7","6","2","4","1") = "7"
    & skf18("8","4","7","6","2","5","1") = "7"
    & skf18("8","4","7","6","2","6","1") = "7"
    & skf18("8","4","7","6","2","7","1") = "7"
    & skf18("8","4","7","6","2","8","1") = "7"
    & skf18("8","4","7","6","2","9","1") = "8"
    & skf18("8","4","7","6","2","10","1") = "9"
    & skf18("8","4","7","6","3","1","1") = "7"
    & skf18("8","4","7","6","3","2","1") = "7"
    & skf18("8","4","7","6","3","3","1") = "7"
    & skf18("8","4","7","6","3","4","1") = "7"
    & skf18("8","4","7","6","3","5","1") = "7"
    & skf18("8","4","7","6","3","6","1") = "7"
    & skf18("8","4","7","6","3","7","1") = "7"
    & skf18("8","4","7","6","3","8","1") = "7"
    & skf18("8","4","7","6","3","9","1") = "8"
    & skf18("8","4","7","6","3","10","1") = "9"
    & skf18("8","4","7","6","4","1","1") = "7"
    & skf18("8","4","7","6","4","2","1") = "7"
    & skf18("8","4","7","6","4","3","1") = "7"
    & skf18("8","4","7","6","4","4","1") = "7"
    & skf18("8","4","7","6","4","5","1") = "7"
    & skf18("8","4","7","6","4","6","1") = "7"
    & skf18("8","4","7","6","4","7","1") = "7"
    & skf18("8","4","7","6","4","8","1") = "7"
    & skf18("8","4","7","6","4","9","1") = "8"
    & skf18("8","4","7","6","4","10","1") = "9"
    & skf18("8","4","7","6","5","1","1") = "7"
    & skf18("8","4","7","6","5","2","1") = "7"
    & skf18("8","4","7","6","5","3","1") = "7"
    & skf18("8","4","7","6","5","4","1") = "7"
    & skf18("8","4","7","6","5","5","1") = "7"
    & skf18("8","4","7","6","5","6","1") = "7"
    & skf18("8","4","7","6","5","7","1") = "7"
    & skf18("8","4","7","6","5","8","1") = "7"
    & skf18("8","4","7","6","5","9","1") = "8"
    & skf18("8","4","7","6","5","10","1") = "9"
    & skf18("8","4","7","6","6","1","1") = "7"
    & skf18("8","4","7","6","6","2","1") = "7"
    & skf18("8","4","7","6","6","3","1") = "7"
    & skf18("8","4","7","6","6","4","1") = "7"
    & skf18("8","4","7","6","6","5","1") = "7"
    & skf18("8","4","7","6","6","6","1") = "7"
    & skf18("8","4","7","6","6","7","1") = "7"
    & skf18("8","4","7","6","6","8","1") = "7"
    & skf18("8","4","7","6","6","9","1") = "8"
    & skf18("8","4","7","6","6","10","1") = "9"
    & skf18("8","4","7","6","7","1","1") = "7"
    & skf18("8","4","7","6","7","2","1") = "7"
    & skf18("8","4","7","6","7","3","1") = "7"
    & skf18("8","4","7","6","7","4","1") = "7"
    & skf18("8","4","7","6","7","5","1") = "7"
    & skf18("8","4","7","6","7","6","1") = "7"
    & skf18("8","4","7","6","7","7","1") = "7"
    & skf18("8","4","7","6","7","8","1") = "7"
    & skf18("8","4","7","6","7","9","1") = "8"
    & skf18("8","4","7","6","7","10","1") = "9"
    & skf18("8","4","7","6","8","1","1") = "7"
    & skf18("8","4","7","6","8","2","1") = "7"
    & skf18("8","4","7","6","8","3","1") = "7"
    & skf18("8","4","7","6","8","4","1") = "7"
    & skf18("8","4","7","6","8","5","1") = "7"
    & skf18("8","4","7","6","8","6","1") = "7"
    & skf18("8","4","7","6","8","7","1") = "7"
    & skf18("8","4","7","6","8","8","1") = "7"
    & skf18("8","4","7","6","8","9","1") = "8"
    & skf18("8","4","7","6","8","10","1") = "9"
    & skf18("8","4","7","6","9","1","1") = "8"
    & skf18("8","4","7","6","9","2","1") = "8"
    & skf18("8","4","7","6","9","3","1") = "8"
    & skf18("8","4","7","6","9","4","1") = "8"
    & skf18("8","4","7","6","9","5","1") = "8"
    & skf18("8","4","7","6","9","6","1") = "8"
    & skf18("8","4","7","6","9","7","1") = "8"
    & skf18("8","4","7","6","9","8","1") = "8"
    & skf18("8","4","7","6","9","9","1") = "8"
    & skf18("8","4","7","6","9","10","1") = "9"
    & skf18("8","4","7","6","10","1","1") = "9"
    & skf18("8","4","7","6","10","2","1") = "9"
    & skf18("8","4","7","6","10","3","1") = "9"
    & skf18("8","4","7","6","10","4","1") = "9"
    & skf18("8","4","7","6","10","5","1") = "9"
    & skf18("8","4","7","6","10","6","1") = "9"
    & skf18("8","4","7","6","10","7","1") = "9"
    & skf18("8","4","7","6","10","8","1") = "9"
    & skf18("8","4","7","6","10","9","1") = "9"
    & skf18("8","4","7","6","10","10","1") = "9"
    & skf18("8","4","7","7","1","1","1") = "7"
    & skf18("8","4","7","7","1","2","1") = "7"
    & skf18("8","4","7","7","1","3","1") = "7"
    & skf18("8","4","7","7","1","4","1") = "7"
    & skf18("8","4","7","7","1","5","1") = "7"
    & skf18("8","4","7","7","1","6","1") = "7"
    & skf18("8","4","7","7","1","7","1") = "7"
    & skf18("8","4","7","7","1","8","1") = "7"
    & skf18("8","4","7","7","1","9","1") = "8"
    & skf18("8","4","7","7","1","10","1") = "9"
    & skf18("8","4","7","7","2","1","1") = "7"
    & skf18("8","4","7","7","2","2","1") = "7"
    & skf18("8","4","7","7","2","3","1") = "7"
    & skf18("8","4","7","7","2","4","1") = "7"
    & skf18("8","4","7","7","2","5","1") = "7"
    & skf18("8","4","7","7","2","6","1") = "7"
    & skf18("8","4","7","7","2","7","1") = "7"
    & skf18("8","4","7","7","2","8","1") = "7"
    & skf18("8","4","7","7","2","9","1") = "8"
    & skf18("8","4","7","7","2","10","1") = "9"
    & skf18("8","4","7","7","3","1","1") = "7"
    & skf18("8","4","7","7","3","2","1") = "7"
    & skf18("8","4","7","7","3","3","1") = "7"
    & skf18("8","4","7","7","3","4","1") = "7"
    & skf18("8","4","7","7","3","5","1") = "7"
    & skf18("8","4","7","7","3","6","1") = "7"
    & skf18("8","4","7","7","3","7","1") = "7"
    & skf18("8","4","7","7","3","8","1") = "7"
    & skf18("8","4","7","7","3","9","1") = "8"
    & skf18("8","4","7","7","3","10","1") = "9"
    & skf18("8","4","7","7","4","1","1") = "7"
    & skf18("8","4","7","7","4","2","1") = "7"
    & skf18("8","4","7","7","4","3","1") = "7"
    & skf18("8","4","7","7","4","4","1") = "7"
    & skf18("8","4","7","7","4","5","1") = "7"
    & skf18("8","4","7","7","4","6","1") = "7"
    & skf18("8","4","7","7","4","7","1") = "7"
    & skf18("8","4","7","7","4","8","1") = "7"
    & skf18("8","4","7","7","4","9","1") = "8"
    & skf18("8","4","7","7","4","10","1") = "9"
    & skf18("8","4","7","7","5","1","1") = "7"
    & skf18("8","4","7","7","5","2","1") = "7"
    & skf18("8","4","7","7","5","3","1") = "7"
    & skf18("8","4","7","7","5","4","1") = "7"
    & skf18("8","4","7","7","5","5","1") = "7"
    & skf18("8","4","7","7","5","6","1") = "7"
    & skf18("8","4","7","7","5","7","1") = "7"
    & skf18("8","4","7","7","5","8","1") = "7"
    & skf18("8","4","7","7","5","9","1") = "8"
    & skf18("8","4","7","7","5","10","1") = "9"
    & skf18("8","4","7","7","6","1","1") = "7"
    & skf18("8","4","7","7","6","2","1") = "7"
    & skf18("8","4","7","7","6","3","1") = "7"
    & skf18("8","4","7","7","6","4","1") = "7"
    & skf18("8","4","7","7","6","5","1") = "7"
    & skf18("8","4","7","7","6","6","1") = "7"
    & skf18("8","4","7","7","6","7","1") = "7"
    & skf18("8","4","7","7","6","8","1") = "7"
    & skf18("8","4","7","7","6","9","1") = "8"
    & skf18("8","4","7","7","6","10","1") = "9"
    & skf18("8","4","7","7","7","1","1") = "7"
    & skf18("8","4","7","7","7","2","1") = "7"
    & skf18("8","4","7","7","7","3","1") = "7"
    & skf18("8","4","7","7","7","4","1") = "7"
    & skf18("8","4","7","7","7","5","1") = "7"
    & skf18("8","4","7","7","7","6","1") = "7"
    & skf18("8","4","7","7","7","7","1") = "7"
    & skf18("8","4","7","7","7","8","1") = "7"
    & skf18("8","4","7","7","7","9","1") = "8"
    & skf18("8","4","7","7","7","10","1") = "9"
    & skf18("8","4","7","7","8","1","1") = "7"
    & skf18("8","4","7","7","8","2","1") = "7"
    & skf18("8","4","7","7","8","3","1") = "7"
    & skf18("8","4","7","7","8","4","1") = "7"
    & skf18("8","4","7","7","8","5","1") = "7"
    & skf18("8","4","7","7","8","6","1") = "7"
    & skf18("8","4","7","7","8","7","1") = "7"
    & skf18("8","4","7","7","8","8","1") = "7"
    & skf18("8","4","7","7","8","9","1") = "8"
    & skf18("8","4","7","7","8","10","1") = "9"
    & skf18("8","4","7","7","9","1","1") = "8"
    & skf18("8","4","7","7","9","2","1") = "8"
    & skf18("8","4","7","7","9","3","1") = "8"
    & skf18("8","4","7","7","9","4","1") = "8"
    & skf18("8","4","7","7","9","5","1") = "8"
    & skf18("8","4","7","7","9","6","1") = "8"
    & skf18("8","4","7","7","9","7","1") = "8"
    & skf18("8","4","7","7","9","8","1") = "8"
    & skf18("8","4","7","7","9","9","1") = "8"
    & skf18("8","4","7","7","9","10","1") = "9"
    & skf18("8","4","7","7","10","1","1") = "9"
    & skf18("8","4","7","7","10","2","1") = "9"
    & skf18("8","4","7","7","10","3","1") = "9"
    & skf18("8","4","7","7","10","4","1") = "9"
    & skf18("8","4","7","7","10","5","1") = "9"
    & skf18("8","4","7","7","10","6","1") = "9"
    & skf18("8","4","7","7","10","7","1") = "9"
    & skf18("8","4","7","7","10","8","1") = "9"
    & skf18("8","4","7","7","10","9","1") = "9"
    & skf18("8","4","7","7","10","10","1") = "9"
    & skf18("8","4","7","8","1","1","1") = "7"
    & skf18("8","4","7","8","1","2","1") = "7"
    & skf18("8","4","7","8","1","3","1") = "7"
    & skf18("8","4","7","8","1","4","1") = "7"
    & skf18("8","4","7","8","1","5","1") = "7"
    & skf18("8","4","7","8","1","6","1") = "7"
    & skf18("8","4","7","8","1","7","1") = "7"
    & skf18("8","4","7","8","1","8","1") = "7"
    & skf18("8","4","7","8","1","9","1") = "8"
    & skf18("8","4","7","8","1","10","1") = "9"
    & skf18("8","4","7","8","2","1","1") = "7"
    & skf18("8","4","7","8","2","2","1") = "7"
    & skf18("8","4","7","8","2","3","1") = "7"
    & skf18("8","4","7","8","2","4","1") = "7"
    & skf18("8","4","7","8","2","5","1") = "7"
    & skf18("8","4","7","8","2","6","1") = "7"
    & skf18("8","4","7","8","2","7","1") = "7"
    & skf18("8","4","7","8","2","8","1") = "7"
    & skf18("8","4","7","8","2","9","1") = "8"
    & skf18("8","4","7","8","2","10","1") = "9"
    & skf18("8","4","7","8","3","1","1") = "7"
    & skf18("8","4","7","8","3","2","1") = "7"
    & skf18("8","4","7","8","3","3","1") = "7"
    & skf18("8","4","7","8","3","4","1") = "7"
    & skf18("8","4","7","8","3","5","1") = "7"
    & skf18("8","4","7","8","3","6","1") = "7"
    & skf18("8","4","7","8","3","7","1") = "7"
    & skf18("8","4","7","8","3","8","1") = "7"
    & skf18("8","4","7","8","3","9","1") = "8"
    & skf18("8","4","7","8","3","10","1") = "9"
    & skf18("8","4","7","8","4","1","1") = "7"
    & skf18("8","4","7","8","4","2","1") = "7"
    & skf18("8","4","7","8","4","3","1") = "7"
    & skf18("8","4","7","8","4","4","1") = "7"
    & skf18("8","4","7","8","4","5","1") = "7"
    & skf18("8","4","7","8","4","6","1") = "7"
    & skf18("8","4","7","8","4","7","1") = "7"
    & skf18("8","4","7","8","4","8","1") = "7"
    & skf18("8","4","7","8","4","9","1") = "8"
    & skf18("8","4","7","8","4","10","1") = "9"
    & skf18("8","4","7","8","5","1","1") = "7"
    & skf18("8","4","7","8","5","2","1") = "7"
    & skf18("8","4","7","8","5","3","1") = "7"
    & skf18("8","4","7","8","5","4","1") = "7"
    & skf18("8","4","7","8","5","5","1") = "7"
    & skf18("8","4","7","8","5","6","1") = "7"
    & skf18("8","4","7","8","5","7","1") = "7"
    & skf18("8","4","7","8","5","8","1") = "7"
    & skf18("8","4","7","8","5","9","1") = "8"
    & skf18("8","4","7","8","5","10","1") = "9"
    & skf18("8","4","7","8","6","1","1") = "7"
    & skf18("8","4","7","8","6","2","1") = "7"
    & skf18("8","4","7","8","6","3","1") = "7"
    & skf18("8","4","7","8","6","4","1") = "7"
    & skf18("8","4","7","8","6","5","1") = "7"
    & skf18("8","4","7","8","6","6","1") = "7"
    & skf18("8","4","7","8","6","7","1") = "7"
    & skf18("8","4","7","8","6","8","1") = "7"
    & skf18("8","4","7","8","6","9","1") = "8"
    & skf18("8","4","7","8","6","10","1") = "9"
    & skf18("8","4","7","8","7","1","1") = "7"
    & skf18("8","4","7","8","7","2","1") = "7"
    & skf18("8","4","7","8","7","3","1") = "7"
    & skf18("8","4","7","8","7","4","1") = "7"
    & skf18("8","4","7","8","7","5","1") = "7"
    & skf18("8","4","7","8","7","6","1") = "7"
    & skf18("8","4","7","8","7","7","1") = "7"
    & skf18("8","4","7","8","7","8","1") = "7"
    & skf18("8","4","7","8","7","9","1") = "8"
    & skf18("8","4","7","8","7","10","1") = "9"
    & skf18("8","4","7","8","8","1","1") = "7"
    & skf18("8","4","7","8","8","2","1") = "7"
    & skf18("8","4","7","8","8","3","1") = "7"
    & skf18("8","4","7","8","8","4","1") = "7"
    & skf18("8","4","7","8","8","5","1") = "7"
    & skf18("8","4","7","8","8","6","1") = "7"
    & skf18("8","4","7","8","8","7","1") = "7"
    & skf18("8","4","7","8","8","8","1") = "7"
    & skf18("8","4","7","8","8","9","1") = "8"
    & skf18("8","4","7","8","8","10","1") = "9"
    & skf18("8","4","7","8","9","1","1") = "8"
    & skf18("8","4","7","8","9","2","1") = "8"
    & skf18("8","4","7","8","9","3","1") = "8"
    & skf18("8","4","7","8","9","4","1") = "8"
    & skf18("8","4","7","8","9","5","1") = "8"
    & skf18("8","4","7","8","9","6","1") = "8"
    & skf18("8","4","7","8","9","7","1") = "8"
    & skf18("8","4","7","8","9","8","1") = "8"
    & skf18("8","4","7","8","9","9","1") = "8"
    & skf18("8","4","7","8","9","10","1") = "9"
    & skf18("8","4","7","8","10","1","1") = "9"
    & skf18("8","4","7","8","10","2","1") = "9"
    & skf18("8","4","7","8","10","3","1") = "9"
    & skf18("8","4","7","8","10","4","1") = "9"
    & skf18("8","4","7","8","10","5","1") = "9"
    & skf18("8","4","7","8","10","6","1") = "9"
    & skf18("8","4","7","8","10","7","1") = "9"
    & skf18("8","4","7","8","10","8","1") = "9"
    & skf18("8","4","7","8","10","9","1") = "9"
    & skf18("8","4","7","8","10","10","1") = "9"
    & skf18("8","4","7","9","1","1","1") = "8"
    & skf18("8","4","7","9","1","2","1") = "8"
    & skf18("8","4","7","9","1","3","1") = "8"
    & skf18("8","4","7","9","1","4","1") = "8"
    & skf18("8","4","7","9","1","5","1") = "8"
    & skf18("8","4","7","9","1","6","1") = "8"
    & skf18("8","4","7","9","1","7","1") = "8"
    & skf18("8","4","7","9","1","8","1") = "8"
    & skf18("8","4","7","9","1","9","1") = "8"
    & skf18("8","4","7","9","1","10","1") = "9"
    & skf18("8","4","7","9","2","1","1") = "8"
    & skf18("8","4","7","9","2","2","1") = "8"
    & skf18("8","4","7","9","2","3","1") = "8"
    & skf18("8","4","7","9","2","4","1") = "8"
    & skf18("8","4","7","9","2","5","1") = "8"
    & skf18("8","4","7","9","2","6","1") = "8"
    & skf18("8","4","7","9","2","7","1") = "8"
    & skf18("8","4","7","9","2","8","1") = "8"
    & skf18("8","4","7","9","2","9","1") = "8"
    & skf18("8","4","7","9","2","10","1") = "9"
    & skf18("8","4","7","9","3","1","1") = "8"
    & skf18("8","4","7","9","3","2","1") = "8"
    & skf18("8","4","7","9","3","3","1") = "8"
    & skf18("8","4","7","9","3","4","1") = "8"
    & skf18("8","4","7","9","3","5","1") = "8"
    & skf18("8","4","7","9","3","6","1") = "8"
    & skf18("8","4","7","9","3","7","1") = "8"
    & skf18("8","4","7","9","3","8","1") = "8"
    & skf18("8","4","7","9","3","9","1") = "8"
    & skf18("8","4","7","9","3","10","1") = "9"
    & skf18("8","4","7","9","4","1","1") = "8"
    & skf18("8","4","7","9","4","2","1") = "8"
    & skf18("8","4","7","9","4","3","1") = "8"
    & skf18("8","4","7","9","4","4","1") = "8"
    & skf18("8","4","7","9","4","5","1") = "8"
    & skf18("8","4","7","9","4","6","1") = "8"
    & skf18("8","4","7","9","4","7","1") = "8"
    & skf18("8","4","7","9","4","8","1") = "8"
    & skf18("8","4","7","9","4","9","1") = "8"
    & skf18("8","4","7","9","4","10","1") = "9"
    & skf18("8","4","7","9","5","1","1") = "8"
    & skf18("8","4","7","9","5","2","1") = "8"
    & skf18("8","4","7","9","5","3","1") = "8"
    & skf18("8","4","7","9","5","4","1") = "8"
    & skf18("8","4","7","9","5","5","1") = "8"
    & skf18("8","4","7","9","5","6","1") = "8"
    & skf18("8","4","7","9","5","7","1") = "8"
    & skf18("8","4","7","9","5","8","1") = "8"
    & skf18("8","4","7","9","5","9","1") = "8"
    & skf18("8","4","7","9","5","10","1") = "9"
    & skf18("8","4","7","9","6","1","1") = "8"
    & skf18("8","4","7","9","6","2","1") = "8"
    & skf18("8","4","7","9","6","3","1") = "8"
    & skf18("8","4","7","9","6","4","1") = "8"
    & skf18("8","4","7","9","6","5","1") = "8"
    & skf18("8","4","7","9","6","6","1") = "8"
    & skf18("8","4","7","9","6","7","1") = "8"
    & skf18("8","4","7","9","6","8","1") = "8"
    & skf18("8","4","7","9","6","9","1") = "8"
    & skf18("8","4","7","9","6","10","1") = "9"
    & skf18("8","4","7","9","7","1","1") = "8"
    & skf18("8","4","7","9","7","2","1") = "8"
    & skf18("8","4","7","9","7","3","1") = "8"
    & skf18("8","4","7","9","7","4","1") = "8"
    & skf18("8","4","7","9","7","5","1") = "8"
    & skf18("8","4","7","9","7","6","1") = "8"
    & skf18("8","4","7","9","7","7","1") = "8"
    & skf18("8","4","7","9","7","8","1") = "8"
    & skf18("8","4","7","9","7","9","1") = "8"
    & skf18("8","4","7","9","7","10","1") = "9"
    & skf18("8","4","7","9","8","1","1") = "8"
    & skf18("8","4","7","9","8","2","1") = "8"
    & skf18("8","4","7","9","8","3","1") = "8"
    & skf18("8","4","7","9","8","4","1") = "8"
    & skf18("8","4","7","9","8","5","1") = "8"
    & skf18("8","4","7","9","8","6","1") = "8"
    & skf18("8","4","7","9","8","7","1") = "8"
    & skf18("8","4","7","9","8","8","1") = "8"
    & skf18("8","4","7","9","8","9","1") = "8"
    & skf18("8","4","7","9","8","10","1") = "9"
    & skf18("8","4","7","9","9","1","1") = "8"
    & skf18("8","4","7","9","9","2","1") = "8"
    & skf18("8","4","7","9","9","3","1") = "8"
    & skf18("8","4","7","9","9","4","1") = "8"
    & skf18("8","4","7","9","9","5","1") = "8"
    & skf18("8","4","7","9","9","6","1") = "8"
    & skf18("8","4","7","9","9","7","1") = "8"
    & skf18("8","4","7","9","9","8","1") = "8"
    & skf18("8","4","7","9","9","9","1") = "8"
    & skf18("8","4","7","9","9","10","1") = "9"
    & skf18("8","4","7","9","10","1","1") = "9"
    & skf18("8","4","7","9","10","2","1") = "9"
    & skf18("8","4","7","9","10","3","1") = "9"
    & skf18("8","4","7","9","10","4","1") = "9"
    & skf18("8","4","7","9","10","5","1") = "9"
    & skf18("8","4","7","9","10","6","1") = "9"
    & skf18("8","4","7","9","10","7","1") = "9"
    & skf18("8","4","7","9","10","8","1") = "9"
    & skf18("8","4","7","9","10","9","1") = "9"
    & skf18("8","4","7","9","10","10","1") = "9"
    & skf18("8","4","7","10","1","1","1") = "9"
    & skf18("8","4","7","10","1","2","1") = "9"
    & skf18("8","4","7","10","1","3","1") = "9"
    & skf18("8","4","7","10","1","4","1") = "9"
    & skf18("8","4","7","10","1","5","1") = "9"
    & skf18("8","4","7","10","1","6","1") = "9"
    & skf18("8","4","7","10","1","7","1") = "9"
    & skf18("8","4","7","10","1","8","1") = "9"
    & skf18("8","4","7","10","1","9","1") = "9"
    & skf18("8","4","7","10","1","10","1") = "9"
    & skf18("8","4","7","10","2","1","1") = "9"
    & skf18("8","4","7","10","2","2","1") = "9"
    & skf18("8","4","7","10","2","3","1") = "9"
    & skf18("8","4","7","10","2","4","1") = "9"
    & skf18("8","4","7","10","2","5","1") = "9"
    & skf18("8","4","7","10","2","6","1") = "9"
    & skf18("8","4","7","10","2","7","1") = "9"
    & skf18("8","4","7","10","2","8","1") = "9"
    & skf18("8","4","7","10","2","9","1") = "9"
    & skf18("8","4","7","10","2","10","1") = "9"
    & skf18("8","4","7","10","3","1","1") = "9"
    & skf18("8","4","7","10","3","2","1") = "9"
    & skf18("8","4","7","10","3","3","1") = "9"
    & skf18("8","4","7","10","3","4","1") = "9"
    & skf18("8","4","7","10","3","5","1") = "9"
    & skf18("8","4","7","10","3","6","1") = "9"
    & skf18("8","4","7","10","3","7","1") = "9"
    & skf18("8","4","7","10","3","8","1") = "9"
    & skf18("8","4","7","10","3","9","1") = "9"
    & skf18("8","4","7","10","3","10","1") = "9"
    & skf18("8","4","7","10","4","1","1") = "9"
    & skf18("8","4","7","10","4","2","1") = "9"
    & skf18("8","4","7","10","4","3","1") = "9"
    & skf18("8","4","7","10","4","4","1") = "9"
    & skf18("8","4","7","10","4","5","1") = "9"
    & skf18("8","4","7","10","4","6","1") = "9"
    & skf18("8","4","7","10","4","7","1") = "9"
    & skf18("8","4","7","10","4","8","1") = "9"
    & skf18("8","4","7","10","4","9","1") = "9"
    & skf18("8","4","7","10","4","10","1") = "9"
    & skf18("8","4","7","10","5","1","1") = "9"
    & skf18("8","4","7","10","5","2","1") = "9"
    & skf18("8","4","7","10","5","3","1") = "9"
    & skf18("8","4","7","10","5","4","1") = "9"
    & skf18("8","4","7","10","5","5","1") = "9"
    & skf18("8","4","7","10","5","6","1") = "9"
    & skf18("8","4","7","10","5","7","1") = "9"
    & skf18("8","4","7","10","5","8","1") = "9"
    & skf18("8","4","7","10","5","9","1") = "9"
    & skf18("8","4","7","10","5","10","1") = "9"
    & skf18("8","4","7","10","6","1","1") = "9"
    & skf18("8","4","7","10","6","2","1") = "9"
    & skf18("8","4","7","10","6","3","1") = "9"
    & skf18("8","4","7","10","6","4","1") = "9"
    & skf18("8","4","7","10","6","5","1") = "9"
    & skf18("8","4","7","10","6","6","1") = "9"
    & skf18("8","4","7","10","6","7","1") = "9"
    & skf18("8","4","7","10","6","8","1") = "9"
    & skf18("8","4","7","10","6","9","1") = "9"
    & skf18("8","4","7","10","6","10","1") = "9"
    & skf18("8","4","7","10","7","1","1") = "9"
    & skf18("8","4","7","10","7","2","1") = "9"
    & skf18("8","4","7","10","7","3","1") = "9"
    & skf18("8","4","7","10","7","4","1") = "9"
    & skf18("8","4","7","10","7","5","1") = "9"
    & skf18("8","4","7","10","7","6","1") = "9"
    & skf18("8","4","7","10","7","7","1") = "9"
    & skf18("8","4","7","10","7","8","1") = "9"
    & skf18("8","4","7","10","7","9","1") = "9"
    & skf18("8","4","7","10","7","10","1") = "9"
    & skf18("8","4","7","10","8","1","1") = "9"
    & skf18("8","4","7","10","8","2","1") = "9"
    & skf18("8","4","7","10","8","3","1") = "9"
    & skf18("8","4","7","10","8","4","1") = "9"
    & skf18("8","4","7","10","8","5","1") = "9"
    & skf18("8","4","7","10","8","6","1") = "9"
    & skf18("8","4","7","10","8","7","1") = "9"
    & skf18("8","4","7","10","8","8","1") = "9"
    & skf18("8","4","7","10","8","9","1") = "9"
    & skf18("8","4","7","10","8","10","1") = "9"
    & skf18("8","4","7","10","9","1","1") = "9"
    & skf18("8","4","7","10","9","2","1") = "9"
    & skf18("8","4","7","10","9","3","1") = "9"
    & skf18("8","4","7","10","9","4","1") = "9"
    & skf18("8","4","7","10","9","5","1") = "9"
    & skf18("8","4","7","10","9","6","1") = "9"
    & skf18("8","4","7","10","9","7","1") = "9"
    & skf18("8","4","7","10","9","8","1") = "9"
    & skf18("8","4","7","10","9","9","1") = "9"
    & skf18("8","4","7","10","9","10","1") = "9"
    & skf18("8","4","7","10","10","1","1") = "9"
    & skf18("8","4","7","10","10","2","1") = "9"
    & skf18("8","4","7","10","10","3","1") = "9"
    & skf18("8","4","7","10","10","4","1") = "9"
    & skf18("8","4","7","10","10","5","1") = "9"
    & skf18("8","4","7","10","10","6","1") = "9"
    & skf18("8","4","7","10","10","7","1") = "9"
    & skf18("8","4","7","10","10","8","1") = "9"
    & skf18("8","4","7","10","10","9","1") = "9"
    & skf18("8","4","7","10","10","10","1") = "9"
    & skf18("8","4","8","1","1","1","1") = "7"
    & skf18("8","4","8","1","1","2","1") = "7"
    & skf18("8","4","8","1","1","3","1") = "7"
    & skf18("8","4","8","1","1","4","1") = "7"
    & skf18("8","4","8","1","1","5","1") = "7"
    & skf18("8","4","8","1","1","6","1") = "7"
    & skf18("8","4","8","1","1","7","1") = "7"
    & skf18("8","4","8","1","1","8","1") = "7"
    & skf18("8","4","8","1","1","9","1") = "8"
    & skf18("8","4","8","1","1","10","1") = "9"
    & skf18("8","4","8","1","2","1","1") = "7"
    & skf18("8","4","8","1","2","2","1") = "7"
    & skf18("8","4","8","1","2","3","1") = "7"
    & skf18("8","4","8","1","2","4","1") = "7"
    & skf18("8","4","8","1","2","5","1") = "7"
    & skf18("8","4","8","1","2","6","1") = "7"
    & skf18("8","4","8","1","2","7","1") = "7"
    & skf18("8","4","8","1","2","8","1") = "7"
    & skf18("8","4","8","1","2","9","1") = "8"
    & skf18("8","4","8","1","2","10","1") = "9"
    & skf18("8","4","8","1","3","1","1") = "7"
    & skf18("8","4","8","1","3","2","1") = "7"
    & skf18("8","4","8","1","3","3","1") = "7"
    & skf18("8","4","8","1","3","4","1") = "7"
    & skf18("8","4","8","1","3","5","1") = "7"
    & skf18("8","4","8","1","3","6","1") = "7"
    & skf18("8","4","8","1","3","7","1") = "7"
    & skf18("8","4","8","1","3","8","1") = "7"
    & skf18("8","4","8","1","3","9","1") = "8"
    & skf18("8","4","8","1","3","10","1") = "9"
    & skf18("8","4","8","1","4","1","1") = "7"
    & skf18("8","4","8","1","4","2","1") = "7"
    & skf18("8","4","8","1","4","3","1") = "7"
    & skf18("8","4","8","1","4","4","1") = "7"
    & skf18("8","4","8","1","4","5","1") = "7"
    & skf18("8","4","8","1","4","6","1") = "7"
    & skf18("8","4","8","1","4","7","1") = "7"
    & skf18("8","4","8","1","4","8","1") = "7"
    & skf18("8","4","8","1","4","9","1") = "8"
    & skf18("8","4","8","1","4","10","1") = "9"
    & skf18("8","4","8","1","5","1","1") = "7"
    & skf18("8","4","8","1","5","2","1") = "7"
    & skf18("8","4","8","1","5","3","1") = "7"
    & skf18("8","4","8","1","5","4","1") = "7"
    & skf18("8","4","8","1","5","5","1") = "7"
    & skf18("8","4","8","1","5","6","1") = "7"
    & skf18("8","4","8","1","5","7","1") = "7"
    & skf18("8","4","8","1","5","8","1") = "7"
    & skf18("8","4","8","1","5","9","1") = "8"
    & skf18("8","4","8","1","5","10","1") = "9"
    & skf18("8","4","8","1","6","1","1") = "7"
    & skf18("8","4","8","1","6","2","1") = "7"
    & skf18("8","4","8","1","6","3","1") = "7"
    & skf18("8","4","8","1","6","4","1") = "7"
    & skf18("8","4","8","1","6","5","1") = "7"
    & skf18("8","4","8","1","6","6","1") = "7"
    & skf18("8","4","8","1","6","7","1") = "7"
    & skf18("8","4","8","1","6","8","1") = "7"
    & skf18("8","4","8","1","6","9","1") = "8"
    & skf18("8","4","8","1","6","10","1") = "9"
    & skf18("8","4","8","1","7","1","1") = "7"
    & skf18("8","4","8","1","7","2","1") = "7"
    & skf18("8","4","8","1","7","3","1") = "7"
    & skf18("8","4","8","1","7","4","1") = "7"
    & skf18("8","4","8","1","7","5","1") = "7"
    & skf18("8","4","8","1","7","6","1") = "7"
    & skf18("8","4","8","1","7","7","1") = "7"
    & skf18("8","4","8","1","7","8","1") = "7"
    & skf18("8","4","8","1","7","9","1") = "8"
    & skf18("8","4","8","1","7","10","1") = "9"
    & skf18("8","4","8","1","8","1","1") = "7"
    & skf18("8","4","8","1","8","2","1") = "7"
    & skf18("8","4","8","1","8","3","1") = "7"
    & skf18("8","4","8","1","8","4","1") = "7"
    & skf18("8","4","8","1","8","5","1") = "7"
    & skf18("8","4","8","1","8","6","1") = "7"
    & skf18("8","4","8","1","8","7","1") = "7"
    & skf18("8","4","8","1","8","8","1") = "7"
    & skf18("8","4","8","1","8","9","1") = "8"
    & skf18("8","4","8","1","8","10","1") = "9"
    & skf18("8","4","8","1","9","1","1") = "8"
    & skf18("8","4","8","1","9","2","1") = "8"
    & skf18("8","4","8","1","9","3","1") = "8"
    & skf18("8","4","8","1","9","4","1") = "8"
    & skf18("8","4","8","1","9","5","1") = "8"
    & skf18("8","4","8","1","9","6","1") = "8"
    & skf18("8","4","8","1","9","7","1") = "8"
    & skf18("8","4","8","1","9","8","1") = "8"
    & skf18("8","4","8","1","9","9","1") = "8"
    & skf18("8","4","8","1","9","10","1") = "9"
    & skf18("8","4","8","1","10","1","1") = "9"
    & skf18("8","4","8","1","10","2","1") = "9"
    & skf18("8","4","8","1","10","3","1") = "9"
    & skf18("8","4","8","1","10","4","1") = "9"
    & skf18("8","4","8","1","10","5","1") = "9"
    & skf18("8","4","8","1","10","6","1") = "9"
    & skf18("8","4","8","1","10","7","1") = "9"
    & skf18("8","4","8","1","10","8","1") = "9"
    & skf18("8","4","8","1","10","9","1") = "9"
    & skf18("8","4","8","1","10","10","1") = "9"
    & skf18("8","4","8","2","1","1","1") = "7"
    & skf18("8","4","8","2","1","2","1") = "7"
    & skf18("8","4","8","2","1","3","1") = "7"
    & skf18("8","4","8","2","1","4","1") = "7"
    & skf18("8","4","8","2","1","5","1") = "7"
    & skf18("8","4","8","2","1","6","1") = "7"
    & skf18("8","4","8","2","1","7","1") = "7"
    & skf18("8","4","8","2","1","8","1") = "7"
    & skf18("8","4","8","2","1","9","1") = "8"
    & skf18("8","4","8","2","1","10","1") = "9"
    & skf18("8","4","8","2","2","1","1") = "7"
    & skf18("8","4","8","2","2","2","1") = "7"
    & skf18("8","4","8","2","2","3","1") = "7"
    & skf18("8","4","8","2","2","4","1") = "7"
    & skf18("8","4","8","2","2","5","1") = "7"
    & skf18("8","4","8","2","2","6","1") = "7"
    & skf18("8","4","8","2","2","7","1") = "7"
    & skf18("8","4","8","2","2","8","1") = "7"
    & skf18("8","4","8","2","2","9","1") = "8"
    & skf18("8","4","8","2","2","10","1") = "9"
    & skf18("8","4","8","2","3","1","1") = "7"
    & skf18("8","4","8","2","3","2","1") = "7"
    & skf18("8","4","8","2","3","3","1") = "7"
    & skf18("8","4","8","2","3","4","1") = "7"
    & skf18("8","4","8","2","3","5","1") = "7"
    & skf18("8","4","8","2","3","6","1") = "7"
    & skf18("8","4","8","2","3","7","1") = "7"
    & skf18("8","4","8","2","3","8","1") = "7"
    & skf18("8","4","8","2","3","9","1") = "8"
    & skf18("8","4","8","2","3","10","1") = "9"
    & skf18("8","4","8","2","4","1","1") = "7"
    & skf18("8","4","8","2","4","2","1") = "7"
    & skf18("8","4","8","2","4","3","1") = "7"
    & skf18("8","4","8","2","4","4","1") = "7"
    & skf18("8","4","8","2","4","5","1") = "7"
    & skf18("8","4","8","2","4","6","1") = "7"
    & skf18("8","4","8","2","4","7","1") = "7"
    & skf18("8","4","8","2","4","8","1") = "7"
    & skf18("8","4","8","2","4","9","1") = "8"
    & skf18("8","4","8","2","4","10","1") = "9"
    & skf18("8","4","8","2","5","1","1") = "7"
    & skf18("8","4","8","2","5","2","1") = "7"
    & skf18("8","4","8","2","5","3","1") = "7"
    & skf18("8","4","8","2","5","4","1") = "7"
    & skf18("8","4","8","2","5","5","1") = "7"
    & skf18("8","4","8","2","5","6","1") = "7"
    & skf18("8","4","8","2","5","7","1") = "7"
    & skf18("8","4","8","2","5","8","1") = "7"
    & skf18("8","4","8","2","5","9","1") = "8"
    & skf18("8","4","8","2","5","10","1") = "9"
    & skf18("8","4","8","2","6","1","1") = "7"
    & skf18("8","4","8","2","6","2","1") = "7"
    & skf18("8","4","8","2","6","3","1") = "7"
    & skf18("8","4","8","2","6","4","1") = "7"
    & skf18("8","4","8","2","6","5","1") = "7"
    & skf18("8","4","8","2","6","6","1") = "7"
    & skf18("8","4","8","2","6","7","1") = "7"
    & skf18("8","4","8","2","6","8","1") = "7"
    & skf18("8","4","8","2","6","9","1") = "8"
    & skf18("8","4","8","2","6","10","1") = "9"
    & skf18("8","4","8","2","7","1","1") = "7"
    & skf18("8","4","8","2","7","2","1") = "7"
    & skf18("8","4","8","2","7","3","1") = "7"
    & skf18("8","4","8","2","7","4","1") = "7"
    & skf18("8","4","8","2","7","5","1") = "7"
    & skf18("8","4","8","2","7","6","1") = "7"
    & skf18("8","4","8","2","7","7","1") = "7"
    & skf18("8","4","8","2","7","8","1") = "7"
    & skf18("8","4","8","2","7","9","1") = "8"
    & skf18("8","4","8","2","7","10","1") = "9"
    & skf18("8","4","8","2","8","1","1") = "7"
    & skf18("8","4","8","2","8","2","1") = "7"
    & skf18("8","4","8","2","8","3","1") = "7"
    & skf18("8","4","8","2","8","4","1") = "7"
    & skf18("8","4","8","2","8","5","1") = "7"
    & skf18("8","4","8","2","8","6","1") = "7"
    & skf18("8","4","8","2","8","7","1") = "7"
    & skf18("8","4","8","2","8","8","1") = "7"
    & skf18("8","4","8","2","8","9","1") = "8"
    & skf18("8","4","8","2","8","10","1") = "9"
    & skf18("8","4","8","2","9","1","1") = "8"
    & skf18("8","4","8","2","9","2","1") = "8"
    & skf18("8","4","8","2","9","3","1") = "8"
    & skf18("8","4","8","2","9","4","1") = "8"
    & skf18("8","4","8","2","9","5","1") = "8"
    & skf18("8","4","8","2","9","6","1") = "8"
    & skf18("8","4","8","2","9","7","1") = "8"
    & skf18("8","4","8","2","9","8","1") = "8"
    & skf18("8","4","8","2","9","9","1") = "8"
    & skf18("8","4","8","2","9","10","1") = "9"
    & skf18("8","4","8","2","10","1","1") = "9"
    & skf18("8","4","8","2","10","2","1") = "9"
    & skf18("8","4","8","2","10","3","1") = "9"
    & skf18("8","4","8","2","10","4","1") = "9"
    & skf18("8","4","8","2","10","5","1") = "9"
    & skf18("8","4","8","2","10","6","1") = "9"
    & skf18("8","4","8","2","10","7","1") = "9"
    & skf18("8","4","8","2","10","8","1") = "9"
    & skf18("8","4","8","2","10","9","1") = "9"
    & skf18("8","4","8","2","10","10","1") = "9"
    & skf18("8","4","8","3","1","1","1") = "7"
    & skf18("8","4","8","3","1","2","1") = "7"
    & skf18("8","4","8","3","1","3","1") = "7"
    & skf18("8","4","8","3","1","4","1") = "7"
    & skf18("8","4","8","3","1","5","1") = "7"
    & skf18("8","4","8","3","1","6","1") = "7"
    & skf18("8","4","8","3","1","7","1") = "7"
    & skf18("8","4","8","3","1","8","1") = "7"
    & skf18("8","4","8","3","1","9","1") = "8"
    & skf18("8","4","8","3","1","10","1") = "9"
    & skf18("8","4","8","3","2","1","1") = "7"
    & skf18("8","4","8","3","2","2","1") = "7"
    & skf18("8","4","8","3","2","3","1") = "7"
    & skf18("8","4","8","3","2","4","1") = "7"
    & skf18("8","4","8","3","2","5","1") = "7"
    & skf18("8","4","8","3","2","6","1") = "7"
    & skf18("8","4","8","3","2","7","1") = "7"
    & skf18("8","4","8","3","2","8","1") = "7"
    & skf18("8","4","8","3","2","9","1") = "8"
    & skf18("8","4","8","3","2","10","1") = "9"
    & skf18("8","4","8","3","3","1","1") = "7"
    & skf18("8","4","8","3","3","2","1") = "7"
    & skf18("8","4","8","3","3","3","1") = "7"
    & skf18("8","4","8","3","3","4","1") = "7"
    & skf18("8","4","8","3","3","5","1") = "7"
    & skf18("8","4","8","3","3","6","1") = "7"
    & skf18("8","4","8","3","3","7","1") = "7"
    & skf18("8","4","8","3","3","8","1") = "7"
    & skf18("8","4","8","3","3","9","1") = "8"
    & skf18("8","4","8","3","3","10","1") = "9"
    & skf18("8","4","8","3","4","1","1") = "7"
    & skf18("8","4","8","3","4","2","1") = "7"
    & skf18("8","4","8","3","4","3","1") = "7"
    & skf18("8","4","8","3","4","4","1") = "7"
    & skf18("8","4","8","3","4","5","1") = "7"
    & skf18("8","4","8","3","4","6","1") = "7"
    & skf18("8","4","8","3","4","7","1") = "7"
    & skf18("8","4","8","3","4","8","1") = "7"
    & skf18("8","4","8","3","4","9","1") = "8"
    & skf18("8","4","8","3","4","10","1") = "9"
    & skf18("8","4","8","3","5","1","1") = "7"
    & skf18("8","4","8","3","5","2","1") = "7"
    & skf18("8","4","8","3","5","3","1") = "7"
    & skf18("8","4","8","3","5","4","1") = "7"
    & skf18("8","4","8","3","5","5","1") = "7"
    & skf18("8","4","8","3","5","6","1") = "7"
    & skf18("8","4","8","3","5","7","1") = "7"
    & skf18("8","4","8","3","5","8","1") = "7"
    & skf18("8","4","8","3","5","9","1") = "8"
    & skf18("8","4","8","3","5","10","1") = "9"
    & skf18("8","4","8","3","6","1","1") = "7"
    & skf18("8","4","8","3","6","2","1") = "7"
    & skf18("8","4","8","3","6","3","1") = "7"
    & skf18("8","4","8","3","6","4","1") = "7"
    & skf18("8","4","8","3","6","5","1") = "7"
    & skf18("8","4","8","3","6","6","1") = "7"
    & skf18("8","4","8","3","6","7","1") = "7"
    & skf18("8","4","8","3","6","8","1") = "7"
    & skf18("8","4","8","3","6","9","1") = "8"
    & skf18("8","4","8","3","6","10","1") = "9"
    & skf18("8","4","8","3","7","1","1") = "7"
    & skf18("8","4","8","3","7","2","1") = "7"
    & skf18("8","4","8","3","7","3","1") = "7"
    & skf18("8","4","8","3","7","4","1") = "7"
    & skf18("8","4","8","3","7","5","1") = "7"
    & skf18("8","4","8","3","7","6","1") = "7"
    & skf18("8","4","8","3","7","7","1") = "7"
    & skf18("8","4","8","3","7","8","1") = "7"
    & skf18("8","4","8","3","7","9","1") = "8"
    & skf18("8","4","8","3","7","10","1") = "9"
    & skf18("8","4","8","3","8","1","1") = "7"
    & skf18("8","4","8","3","8","2","1") = "7"
    & skf18("8","4","8","3","8","3","1") = "7"
    & skf18("8","4","8","3","8","4","1") = "7"
    & skf18("8","4","8","3","8","5","1") = "7"
    & skf18("8","4","8","3","8","6","1") = "7"
    & skf18("8","4","8","3","8","7","1") = "7"
    & skf18("8","4","8","3","8","8","1") = "7"
    & skf18("8","4","8","3","8","9","1") = "8"
    & skf18("8","4","8","3","8","10","1") = "9"
    & skf18("8","4","8","3","9","1","1") = "8"
    & skf18("8","4","8","3","9","2","1") = "8"
    & skf18("8","4","8","3","9","3","1") = "8"
    & skf18("8","4","8","3","9","4","1") = "8"
    & skf18("8","4","8","3","9","5","1") = "8"
    & skf18("8","4","8","3","9","6","1") = "8"
    & skf18("8","4","8","3","9","7","1") = "8"
    & skf18("8","4","8","3","9","8","1") = "8"
    & skf18("8","4","8","3","9","9","1") = "8"
    & skf18("8","4","8","3","9","10","1") = "9"
    & skf18("8","4","8","3","10","1","1") = "9"
    & skf18("8","4","8","3","10","2","1") = "9"
    & skf18("8","4","8","3","10","3","1") = "9"
    & skf18("8","4","8","3","10","4","1") = "9"
    & skf18("8","4","8","3","10","5","1") = "9"
    & skf18("8","4","8","3","10","6","1") = "9"
    & skf18("8","4","8","3","10","7","1") = "9"
    & skf18("8","4","8","3","10","8","1") = "9"
    & skf18("8","4","8","3","10","9","1") = "9"
    & skf18("8","4","8","3","10","10","1") = "9"
    & skf18("8","4","8","4","1","1","1") = "7"
    & skf18("8","4","8","4","1","2","1") = "7"
    & skf18("8","4","8","4","1","3","1") = "7"
    & skf18("8","4","8","4","1","4","1") = "7"
    & skf18("8","4","8","4","1","5","1") = "7"
    & skf18("8","4","8","4","1","6","1") = "7"
    & skf18("8","4","8","4","1","7","1") = "7"
    & skf18("8","4","8","4","1","8","1") = "7"
    & skf18("8","4","8","4","1","9","1") = "8"
    & skf18("8","4","8","4","1","10","1") = "9"
    & skf18("8","4","8","4","2","1","1") = "7"
    & skf18("8","4","8","4","2","2","1") = "7"
    & skf18("8","4","8","4","2","3","1") = "7"
    & skf18("8","4","8","4","2","4","1") = "7"
    & skf18("8","4","8","4","2","5","1") = "7"
    & skf18("8","4","8","4","2","6","1") = "7"
    & skf18("8","4","8","4","2","7","1") = "7"
    & skf18("8","4","8","4","2","8","1") = "7"
    & skf18("8","4","8","4","2","9","1") = "8"
    & skf18("8","4","8","4","2","10","1") = "9"
    & skf18("8","4","8","4","3","1","1") = "7"
    & skf18("8","4","8","4","3","2","1") = "7"
    & skf18("8","4","8","4","3","3","1") = "7"
    & skf18("8","4","8","4","3","4","1") = "7"
    & skf18("8","4","8","4","3","5","1") = "7"
    & skf18("8","4","8","4","3","6","1") = "7"
    & skf18("8","4","8","4","3","7","1") = "7"
    & skf18("8","4","8","4","3","8","1") = "7"
    & skf18("8","4","8","4","3","9","1") = "8"
    & skf18("8","4","8","4","3","10","1") = "9"
    & skf18("8","4","8","4","4","1","1") = "7"
    & skf18("8","4","8","4","4","2","1") = "7"
    & skf18("8","4","8","4","4","3","1") = "7"
    & skf18("8","4","8","4","4","4","1") = "7"
    & skf18("8","4","8","4","4","5","1") = "7"
    & skf18("8","4","8","4","4","6","1") = "7"
    & skf18("8","4","8","4","4","7","1") = "7"
    & skf18("8","4","8","4","4","8","1") = "7"
    & skf18("8","4","8","4","4","9","1") = "8"
    & skf18("8","4","8","4","4","10","1") = "9"
    & skf18("8","4","8","4","5","1","1") = "7"
    & skf18("8","4","8","4","5","2","1") = "7"
    & skf18("8","4","8","4","5","3","1") = "7"
    & skf18("8","4","8","4","5","4","1") = "7"
    & skf18("8","4","8","4","5","5","1") = "7"
    & skf18("8","4","8","4","5","6","1") = "7"
    & skf18("8","4","8","4","5","7","1") = "7"
    & skf18("8","4","8","4","5","8","1") = "7"
    & skf18("8","4","8","4","5","9","1") = "8"
    & skf18("8","4","8","4","5","10","1") = "9"
    & skf18("8","4","8","4","6","1","1") = "7"
    & skf18("8","4","8","4","6","2","1") = "7"
    & skf18("8","4","8","4","6","3","1") = "7"
    & skf18("8","4","8","4","6","4","1") = "7"
    & skf18("8","4","8","4","6","5","1") = "7"
    & skf18("8","4","8","4","6","6","1") = "7"
    & skf18("8","4","8","4","6","7","1") = "7"
    & skf18("8","4","8","4","6","8","1") = "7"
    & skf18("8","4","8","4","6","9","1") = "8"
    & skf18("8","4","8","4","6","10","1") = "9"
    & skf18("8","4","8","4","7","1","1") = "7"
    & skf18("8","4","8","4","7","2","1") = "7"
    & skf18("8","4","8","4","7","3","1") = "7"
    & skf18("8","4","8","4","7","4","1") = "7"
    & skf18("8","4","8","4","7","5","1") = "7"
    & skf18("8","4","8","4","7","6","1") = "7"
    & skf18("8","4","8","4","7","7","1") = "7"
    & skf18("8","4","8","4","7","8","1") = "7"
    & skf18("8","4","8","4","7","9","1") = "8"
    & skf18("8","4","8","4","7","10","1") = "9"
    & skf18("8","4","8","4","8","1","1") = "7"
    & skf18("8","4","8","4","8","2","1") = "7"
    & skf18("8","4","8","4","8","3","1") = "7"
    & skf18("8","4","8","4","8","4","1") = "7"
    & skf18("8","4","8","4","8","5","1") = "7"
    & skf18("8","4","8","4","8","6","1") = "7"
    & skf18("8","4","8","4","8","7","1") = "7"
    & skf18("8","4","8","4","8","8","1") = "7"
    & skf18("8","4","8","4","8","9","1") = "8"
    & skf18("8","4","8","4","8","10","1") = "9"
    & skf18("8","4","8","4","9","1","1") = "8"
    & skf18("8","4","8","4","9","2","1") = "8"
    & skf18("8","4","8","4","9","3","1") = "8"
    & skf18("8","4","8","4","9","4","1") = "8"
    & skf18("8","4","8","4","9","5","1") = "8"
    & skf18("8","4","8","4","9","6","1") = "8"
    & skf18("8","4","8","4","9","7","1") = "8"
    & skf18("8","4","8","4","9","8","1") = "8"
    & skf18("8","4","8","4","9","9","1") = "8"
    & skf18("8","4","8","4","9","10","1") = "9"
    & skf18("8","4","8","4","10","1","1") = "9"
    & skf18("8","4","8","4","10","2","1") = "9"
    & skf18("8","4","8","4","10","3","1") = "9"
    & skf18("8","4","8","4","10","4","1") = "9"
    & skf18("8","4","8","4","10","5","1") = "9"
    & skf18("8","4","8","4","10","6","1") = "9"
    & skf18("8","4","8","4","10","7","1") = "9"
    & skf18("8","4","8","4","10","8","1") = "9"
    & skf18("8","4","8","4","10","9","1") = "9"
    & skf18("8","4","8","4","10","10","1") = "9"
    & skf18("8","4","8","5","1","1","1") = "7"
    & skf18("8","4","8","5","1","2","1") = "7"
    & skf18("8","4","8","5","1","3","1") = "7"
    & skf18("8","4","8","5","1","4","1") = "7"
    & skf18("8","4","8","5","1","5","1") = "7"
    & skf18("8","4","8","5","1","6","1") = "7"
    & skf18("8","4","8","5","1","7","1") = "7"
    & skf18("8","4","8","5","1","8","1") = "7"
    & skf18("8","4","8","5","1","9","1") = "8"
    & skf18("8","4","8","5","1","10","1") = "9"
    & skf18("8","4","8","5","2","1","1") = "7"
    & skf18("8","4","8","5","2","2","1") = "7"
    & skf18("8","4","8","5","2","3","1") = "7"
    & skf18("8","4","8","5","2","4","1") = "7"
    & skf18("8","4","8","5","2","5","1") = "7"
    & skf18("8","4","8","5","2","6","1") = "7"
    & skf18("8","4","8","5","2","7","1") = "7"
    & skf18("8","4","8","5","2","8","1") = "7"
    & skf18("8","4","8","5","2","9","1") = "8"
    & skf18("8","4","8","5","2","10","1") = "9"
    & skf18("8","4","8","5","3","1","1") = "7"
    & skf18("8","4","8","5","3","2","1") = "7"
    & skf18("8","4","8","5","3","3","1") = "7"
    & skf18("8","4","8","5","3","4","1") = "7"
    & skf18("8","4","8","5","3","5","1") = "7"
    & skf18("8","4","8","5","3","6","1") = "7"
    & skf18("8","4","8","5","3","7","1") = "7"
    & skf18("8","4","8","5","3","8","1") = "7"
    & skf18("8","4","8","5","3","9","1") = "8"
    & skf18("8","4","8","5","3","10","1") = "9"
    & skf18("8","4","8","5","4","1","1") = "7"
    & skf18("8","4","8","5","4","2","1") = "7"
    & skf18("8","4","8","5","4","3","1") = "7"
    & skf18("8","4","8","5","4","4","1") = "7"
    & skf18("8","4","8","5","4","5","1") = "7"
    & skf18("8","4","8","5","4","6","1") = "7"
    & skf18("8","4","8","5","4","7","1") = "7"
    & skf18("8","4","8","5","4","8","1") = "7"
    & skf18("8","4","8","5","4","9","1") = "8"
    & skf18("8","4","8","5","4","10","1") = "9"
    & skf18("8","4","8","5","5","1","1") = "7"
    & skf18("8","4","8","5","5","2","1") = "7"
    & skf18("8","4","8","5","5","3","1") = "7"
    & skf18("8","4","8","5","5","4","1") = "7"
    & skf18("8","4","8","5","5","5","1") = "7"
    & skf18("8","4","8","5","5","6","1") = "7"
    & skf18("8","4","8","5","5","7","1") = "7"
    & skf18("8","4","8","5","5","8","1") = "7"
    & skf18("8","4","8","5","5","9","1") = "8"
    & skf18("8","4","8","5","5","10","1") = "9"
    & skf18("8","4","8","5","6","1","1") = "7"
    & skf18("8","4","8","5","6","2","1") = "7"
    & skf18("8","4","8","5","6","3","1") = "7"
    & skf18("8","4","8","5","6","4","1") = "7"
    & skf18("8","4","8","5","6","5","1") = "7"
    & skf18("8","4","8","5","6","6","1") = "7"
    & skf18("8","4","8","5","6","7","1") = "7"
    & skf18("8","4","8","5","6","8","1") = "7"
    & skf18("8","4","8","5","6","9","1") = "8"
    & skf18("8","4","8","5","6","10","1") = "9"
    & skf18("8","4","8","5","7","1","1") = "7"
    & skf18("8","4","8","5","7","2","1") = "7"
    & skf18("8","4","8","5","7","3","1") = "7"
    & skf18("8","4","8","5","7","4","1") = "7"
    & skf18("8","4","8","5","7","5","1") = "7"
    & skf18("8","4","8","5","7","6","1") = "7"
    & skf18("8","4","8","5","7","7","1") = "7"
    & skf18("8","4","8","5","7","8","1") = "7"
    & skf18("8","4","8","5","7","9","1") = "8"
    & skf18("8","4","8","5","7","10","1") = "9"
    & skf18("8","4","8","5","8","1","1") = "7"
    & skf18("8","4","8","5","8","2","1") = "7"
    & skf18("8","4","8","5","8","3","1") = "7"
    & skf18("8","4","8","5","8","4","1") = "7"
    & skf18("8","4","8","5","8","5","1") = "7"
    & skf18("8","4","8","5","8","6","1") = "7"
    & skf18("8","4","8","5","8","7","1") = "7"
    & skf18("8","4","8","5","8","8","1") = "7"
    & skf18("8","4","8","5","8","9","1") = "8"
    & skf18("8","4","8","5","8","10","1") = "9"
    & skf18("8","4","8","5","9","1","1") = "8"
    & skf18("8","4","8","5","9","2","1") = "8"
    & skf18("8","4","8","5","9","3","1") = "8"
    & skf18("8","4","8","5","9","4","1") = "8"
    & skf18("8","4","8","5","9","5","1") = "8"
    & skf18("8","4","8","5","9","6","1") = "8"
    & skf18("8","4","8","5","9","7","1") = "8"
    & skf18("8","4","8","5","9","8","1") = "8"
    & skf18("8","4","8","5","9","9","1") = "8"
    & skf18("8","4","8","5","9","10","1") = "9"
    & skf18("8","4","8","5","10","1","1") = "9"
    & skf18("8","4","8","5","10","2","1") = "9"
    & skf18("8","4","8","5","10","3","1") = "9"
    & skf18("8","4","8","5","10","4","1") = "9"
    & skf18("8","4","8","5","10","5","1") = "9"
    & skf18("8","4","8","5","10","6","1") = "9"
    & skf18("8","4","8","5","10","7","1") = "9"
    & skf18("8","4","8","5","10","8","1") = "9"
    & skf18("8","4","8","5","10","9","1") = "9"
    & skf18("8","4","8","5","10","10","1") = "9"
    & skf18("8","4","8","6","1","1","1") = "7"
    & skf18("8","4","8","6","1","2","1") = "7"
    & skf18("8","4","8","6","1","3","1") = "7"
    & skf18("8","4","8","6","1","4","1") = "7"
    & skf18("8","4","8","6","1","5","1") = "7"
    & skf18("8","4","8","6","1","6","1") = "7"
    & skf18("8","4","8","6","1","7","1") = "7"
    & skf18("8","4","8","6","1","8","1") = "7"
    & skf18("8","4","8","6","1","9","1") = "8"
    & skf18("8","4","8","6","1","10","1") = "9"
    & skf18("8","4","8","6","2","1","1") = "7"
    & skf18("8","4","8","6","2","2","1") = "7"
    & skf18("8","4","8","6","2","3","1") = "7"
    & skf18("8","4","8","6","2","4","1") = "7"
    & skf18("8","4","8","6","2","5","1") = "7"
    & skf18("8","4","8","6","2","6","1") = "7"
    & skf18("8","4","8","6","2","7","1") = "7"
    & skf18("8","4","8","6","2","8","1") = "7"
    & skf18("8","4","8","6","2","9","1") = "8"
    & skf18("8","4","8","6","2","10","1") = "9"
    & skf18("8","4","8","6","3","1","1") = "7"
    & skf18("8","4","8","6","3","2","1") = "7"
    & skf18("8","4","8","6","3","3","1") = "7"
    & skf18("8","4","8","6","3","4","1") = "7"
    & skf18("8","4","8","6","3","5","1") = "7"
    & skf18("8","4","8","6","3","6","1") = "7"
    & skf18("8","4","8","6","3","7","1") = "7"
    & skf18("8","4","8","6","3","8","1") = "7"
    & skf18("8","4","8","6","3","9","1") = "8"
    & skf18("8","4","8","6","3","10","1") = "9"
    & skf18("8","4","8","6","4","1","1") = "7"
    & skf18("8","4","8","6","4","2","1") = "7"
    & skf18("8","4","8","6","4","3","1") = "7"
    & skf18("8","4","8","6","4","4","1") = "7"
    & skf18("8","4","8","6","4","5","1") = "7"
    & skf18("8","4","8","6","4","6","1") = "7"
    & skf18("8","4","8","6","4","7","1") = "7"
    & skf18("8","4","8","6","4","8","1") = "7"
    & skf18("8","4","8","6","4","9","1") = "8"
    & skf18("8","4","8","6","4","10","1") = "9"
    & skf18("8","4","8","6","5","1","1") = "7"
    & skf18("8","4","8","6","5","2","1") = "7"
    & skf18("8","4","8","6","5","3","1") = "7"
    & skf18("8","4","8","6","5","4","1") = "7"
    & skf18("8","4","8","6","5","5","1") = "7"
    & skf18("8","4","8","6","5","6","1") = "7"
    & skf18("8","4","8","6","5","7","1") = "7"
    & skf18("8","4","8","6","5","8","1") = "7"
    & skf18("8","4","8","6","5","9","1") = "8"
    & skf18("8","4","8","6","5","10","1") = "9"
    & skf18("8","4","8","6","6","1","1") = "7"
    & skf18("8","4","8","6","6","2","1") = "7"
    & skf18("8","4","8","6","6","3","1") = "7"
    & skf18("8","4","8","6","6","4","1") = "7"
    & skf18("8","4","8","6","6","5","1") = "7"
    & skf18("8","4","8","6","6","6","1") = "7"
    & skf18("8","4","8","6","6","7","1") = "7"
    & skf18("8","4","8","6","6","8","1") = "7"
    & skf18("8","4","8","6","6","9","1") = "8"
    & skf18("8","4","8","6","6","10","1") = "9"
    & skf18("8","4","8","6","7","1","1") = "7"
    & skf18("8","4","8","6","7","2","1") = "7"
    & skf18("8","4","8","6","7","3","1") = "7"
    & skf18("8","4","8","6","7","4","1") = "7"
    & skf18("8","4","8","6","7","5","1") = "7"
    & skf18("8","4","8","6","7","6","1") = "7"
    & skf18("8","4","8","6","7","7","1") = "7"
    & skf18("8","4","8","6","7","8","1") = "7"
    & skf18("8","4","8","6","7","9","1") = "8"
    & skf18("8","4","8","6","7","10","1") = "9"
    & skf18("8","4","8","6","8","1","1") = "7"
    & skf18("8","4","8","6","8","2","1") = "7"
    & skf18("8","4","8","6","8","3","1") = "7"
    & skf18("8","4","8","6","8","4","1") = "7"
    & skf18("8","4","8","6","8","5","1") = "7"
    & skf18("8","4","8","6","8","6","1") = "7"
    & skf18("8","4","8","6","8","7","1") = "7"
    & skf18("8","4","8","6","8","8","1") = "7"
    & skf18("8","4","8","6","8","9","1") = "8"
    & skf18("8","4","8","6","8","10","1") = "9"
    & skf18("8","4","8","6","9","1","1") = "8"
    & skf18("8","4","8","6","9","2","1") = "8"
    & skf18("8","4","8","6","9","3","1") = "8"
    & skf18("8","4","8","6","9","4","1") = "8"
    & skf18("8","4","8","6","9","5","1") = "8"
    & skf18("8","4","8","6","9","6","1") = "8"
    & skf18("8","4","8","6","9","7","1") = "8"
    & skf18("8","4","8","6","9","8","1") = "8"
    & skf18("8","4","8","6","9","9","1") = "8"
    & skf18("8","4","8","6","9","10","1") = "9"
    & skf18("8","4","8","6","10","1","1") = "9"
    & skf18("8","4","8","6","10","2","1") = "9"
    & skf18("8","4","8","6","10","3","1") = "9"
    & skf18("8","4","8","6","10","4","1") = "9"
    & skf18("8","4","8","6","10","5","1") = "9"
    & skf18("8","4","8","6","10","6","1") = "9"
    & skf18("8","4","8","6","10","7","1") = "9"
    & skf18("8","4","8","6","10","8","1") = "9"
    & skf18("8","4","8","6","10","9","1") = "9"
    & skf18("8","4","8","6","10","10","1") = "9"
    & skf18("8","4","8","7","1","1","1") = "7"
    & skf18("8","4","8","7","1","2","1") = "7"
    & skf18("8","4","8","7","1","3","1") = "7"
    & skf18("8","4","8","7","1","4","1") = "7"
    & skf18("8","4","8","7","1","5","1") = "7"
    & skf18("8","4","8","7","1","6","1") = "7"
    & skf18("8","4","8","7","1","7","1") = "7"
    & skf18("8","4","8","7","1","8","1") = "7"
    & skf18("8","4","8","7","1","9","1") = "8"
    & skf18("8","4","8","7","1","10","1") = "9"
    & skf18("8","4","8","7","2","1","1") = "7"
    & skf18("8","4","8","7","2","2","1") = "7"
    & skf18("8","4","8","7","2","3","1") = "7"
    & skf18("8","4","8","7","2","4","1") = "7"
    & skf18("8","4","8","7","2","5","1") = "7"
    & skf18("8","4","8","7","2","6","1") = "7"
    & skf18("8","4","8","7","2","7","1") = "7"
    & skf18("8","4","8","7","2","8","1") = "7"
    & skf18("8","4","8","7","2","9","1") = "8"
    & skf18("8","4","8","7","2","10","1") = "9"
    & skf18("8","4","8","7","3","1","1") = "7"
    & skf18("8","4","8","7","3","2","1") = "7"
    & skf18("8","4","8","7","3","3","1") = "7"
    & skf18("8","4","8","7","3","4","1") = "7"
    & skf18("8","4","8","7","3","5","1") = "7"
    & skf18("8","4","8","7","3","6","1") = "7"
    & skf18("8","4","8","7","3","7","1") = "7"
    & skf18("8","4","8","7","3","8","1") = "7"
    & skf18("8","4","8","7","3","9","1") = "8"
    & skf18("8","4","8","7","3","10","1") = "9"
    & skf18("8","4","8","7","4","1","1") = "7"
    & skf18("8","4","8","7","4","2","1") = "7"
    & skf18("8","4","8","7","4","3","1") = "7"
    & skf18("8","4","8","7","4","4","1") = "7"
    & skf18("8","4","8","7","4","5","1") = "7"
    & skf18("8","4","8","7","4","6","1") = "7"
    & skf18("8","4","8","7","4","7","1") = "7"
    & skf18("8","4","8","7","4","8","1") = "7"
    & skf18("8","4","8","7","4","9","1") = "8"
    & skf18("8","4","8","7","4","10","1") = "9"
    & skf18("8","4","8","7","5","1","1") = "7"
    & skf18("8","4","8","7","5","2","1") = "7"
    & skf18("8","4","8","7","5","3","1") = "7"
    & skf18("8","4","8","7","5","4","1") = "7"
    & skf18("8","4","8","7","5","5","1") = "7"
    & skf18("8","4","8","7","5","6","1") = "7"
    & skf18("8","4","8","7","5","7","1") = "7"
    & skf18("8","4","8","7","5","8","1") = "7"
    & skf18("8","4","8","7","5","9","1") = "8"
    & skf18("8","4","8","7","5","10","1") = "9"
    & skf18("8","4","8","7","6","1","1") = "7"
    & skf18("8","4","8","7","6","2","1") = "7"
    & skf18("8","4","8","7","6","3","1") = "7"
    & skf18("8","4","8","7","6","4","1") = "7"
    & skf18("8","4","8","7","6","5","1") = "7"
    & skf18("8","4","8","7","6","6","1") = "7"
    & skf18("8","4","8","7","6","7","1") = "7"
    & skf18("8","4","8","7","6","8","1") = "7"
    & skf18("8","4","8","7","6","9","1") = "8"
    & skf18("8","4","8","7","6","10","1") = "9"
    & skf18("8","4","8","7","7","1","1") = "7"
    & skf18("8","4","8","7","7","2","1") = "7"
    & skf18("8","4","8","7","7","3","1") = "7"
    & skf18("8","4","8","7","7","4","1") = "7"
    & skf18("8","4","8","7","7","5","1") = "7"
    & skf18("8","4","8","7","7","6","1") = "7"
    & skf18("8","4","8","7","7","7","1") = "7"
    & skf18("8","4","8","7","7","8","1") = "7"
    & skf18("8","4","8","7","7","9","1") = "8"
    & skf18("8","4","8","7","7","10","1") = "9"
    & skf18("8","4","8","7","8","1","1") = "7"
    & skf18("8","4","8","7","8","2","1") = "7"
    & skf18("8","4","8","7","8","3","1") = "7"
    & skf18("8","4","8","7","8","4","1") = "7"
    & skf18("8","4","8","7","8","5","1") = "7"
    & skf18("8","4","8","7","8","6","1") = "7"
    & skf18("8","4","8","7","8","7","1") = "7"
    & skf18("8","4","8","7","8","8","1") = "7"
    & skf18("8","4","8","7","8","9","1") = "8"
    & skf18("8","4","8","7","8","10","1") = "9"
    & skf18("8","4","8","7","9","1","1") = "8"
    & skf18("8","4","8","7","9","2","1") = "8"
    & skf18("8","4","8","7","9","3","1") = "8"
    & skf18("8","4","8","7","9","4","1") = "8"
    & skf18("8","4","8","7","9","5","1") = "8"
    & skf18("8","4","8","7","9","6","1") = "8"
    & skf18("8","4","8","7","9","7","1") = "8"
    & skf18("8","4","8","7","9","8","1") = "8"
    & skf18("8","4","8","7","9","9","1") = "8"
    & skf18("8","4","8","7","9","10","1") = "9"
    & skf18("8","4","8","7","10","1","1") = "9"
    & skf18("8","4","8","7","10","2","1") = "9"
    & skf18("8","4","8","7","10","3","1") = "9"
    & skf18("8","4","8","7","10","4","1") = "9"
    & skf18("8","4","8","7","10","5","1") = "9"
    & skf18("8","4","8","7","10","6","1") = "9"
    & skf18("8","4","8","7","10","7","1") = "9"
    & skf18("8","4","8","7","10","8","1") = "9"
    & skf18("8","4","8","7","10","9","1") = "9"
    & skf18("8","4","8","7","10","10","1") = "9"
    & skf18("8","4","8","8","1","1","1") = "7"
    & skf18("8","4","8","8","1","2","1") = "7"
    & skf18("8","4","8","8","1","3","1") = "7"
    & skf18("8","4","8","8","1","4","1") = "7"
    & skf18("8","4","8","8","1","5","1") = "7"
    & skf18("8","4","8","8","1","6","1") = "7"
    & skf18("8","4","8","8","1","7","1") = "7"
    & skf18("8","4","8","8","1","8","1") = "7"
    & skf18("8","4","8","8","1","9","1") = "8"
    & skf18("8","4","8","8","1","10","1") = "9"
    & skf18("8","4","8","8","2","1","1") = "7"
    & skf18("8","4","8","8","2","2","1") = "7"
    & skf18("8","4","8","8","2","3","1") = "7"
    & skf18("8","4","8","8","2","4","1") = "7"
    & skf18("8","4","8","8","2","5","1") = "7"
    & skf18("8","4","8","8","2","6","1") = "7"
    & skf18("8","4","8","8","2","7","1") = "7"
    & skf18("8","4","8","8","2","8","1") = "7"
    & skf18("8","4","8","8","2","9","1") = "8"
    & skf18("8","4","8","8","2","10","1") = "9"
    & skf18("8","4","8","8","3","1","1") = "7"
    & skf18("8","4","8","8","3","2","1") = "7"
    & skf18("8","4","8","8","3","3","1") = "7"
    & skf18("8","4","8","8","3","4","1") = "7"
    & skf18("8","4","8","8","3","5","1") = "7"
    & skf18("8","4","8","8","3","6","1") = "7"
    & skf18("8","4","8","8","3","7","1") = "7"
    & skf18("8","4","8","8","3","8","1") = "7"
    & skf18("8","4","8","8","3","9","1") = "8"
    & skf18("8","4","8","8","3","10","1") = "9"
    & skf18("8","4","8","8","4","1","1") = "7"
    & skf18("8","4","8","8","4","2","1") = "7"
    & skf18("8","4","8","8","4","3","1") = "7"
    & skf18("8","4","8","8","4","4","1") = "7"
    & skf18("8","4","8","8","4","5","1") = "7"
    & skf18("8","4","8","8","4","6","1") = "7"
    & skf18("8","4","8","8","4","7","1") = "7"
    & skf18("8","4","8","8","4","8","1") = "7"
    & skf18("8","4","8","8","4","9","1") = "8"
    & skf18("8","4","8","8","4","10","1") = "9"
    & skf18("8","4","8","8","5","1","1") = "7"
    & skf18("8","4","8","8","5","2","1") = "7"
    & skf18("8","4","8","8","5","3","1") = "7"
    & skf18("8","4","8","8","5","4","1") = "7"
    & skf18("8","4","8","8","5","5","1") = "7"
    & skf18("8","4","8","8","5","6","1") = "7"
    & skf18("8","4","8","8","5","7","1") = "7"
    & skf18("8","4","8","8","5","8","1") = "7"
    & skf18("8","4","8","8","5","9","1") = "8"
    & skf18("8","4","8","8","5","10","1") = "9"
    & skf18("8","4","8","8","6","1","1") = "7"
    & skf18("8","4","8","8","6","2","1") = "7"
    & skf18("8","4","8","8","6","3","1") = "7"
    & skf18("8","4","8","8","6","4","1") = "7"
    & skf18("8","4","8","8","6","5","1") = "7"
    & skf18("8","4","8","8","6","6","1") = "7"
    & skf18("8","4","8","8","6","7","1") = "7"
    & skf18("8","4","8","8","6","8","1") = "7"
    & skf18("8","4","8","8","6","9","1") = "8"
    & skf18("8","4","8","8","6","10","1") = "9"
    & skf18("8","4","8","8","7","1","1") = "7"
    & skf18("8","4","8","8","7","2","1") = "7"
    & skf18("8","4","8","8","7","3","1") = "7"
    & skf18("8","4","8","8","7","4","1") = "7"
    & skf18("8","4","8","8","7","5","1") = "7"
    & skf18("8","4","8","8","7","6","1") = "7"
    & skf18("8","4","8","8","7","7","1") = "7"
    & skf18("8","4","8","8","7","8","1") = "7"
    & skf18("8","4","8","8","7","9","1") = "8"
    & skf18("8","4","8","8","7","10","1") = "9"
    & skf18("8","4","8","8","8","1","1") = "7"
    & skf18("8","4","8","8","8","2","1") = "7"
    & skf18("8","4","8","8","8","3","1") = "7"
    & skf18("8","4","8","8","8","4","1") = "7"
    & skf18("8","4","8","8","8","5","1") = "7"
    & skf18("8","4","8","8","8","6","1") = "7"
    & skf18("8","4","8","8","8","7","1") = "7"
    & skf18("8","4","8","8","8","8","1") = "7"
    & skf18("8","4","8","8","8","9","1") = "8"
    & skf18("8","4","8","8","8","10","1") = "9"
    & skf18("8","4","8","8","9","1","1") = "8"
    & skf18("8","4","8","8","9","2","1") = "8"
    & skf18("8","4","8","8","9","3","1") = "8"
    & skf18("8","4","8","8","9","4","1") = "8"
    & skf18("8","4","8","8","9","5","1") = "8"
    & skf18("8","4","8","8","9","6","1") = "8"
    & skf18("8","4","8","8","9","7","1") = "8"
    & skf18("8","4","8","8","9","8","1") = "8"
    & skf18("8","4","8","8","9","9","1") = "8"
    & skf18("8","4","8","8","9","10","1") = "9"
    & skf18("8","4","8","8","10","1","1") = "9"
    & skf18("8","4","8","8","10","2","1") = "9"
    & skf18("8","4","8","8","10","3","1") = "9"
    & skf18("8","4","8","8","10","4","1") = "9"
    & skf18("8","4","8","8","10","5","1") = "9"
    & skf18("8","4","8","8","10","6","1") = "9"
    & skf18("8","4","8","8","10","7","1") = "9"
    & skf18("8","4","8","8","10","8","1") = "9"
    & skf18("8","4","8","8","10","9","1") = "9"
    & skf18("8","4","8","8","10","10","1") = "9"
    & skf18("8","4","8","9","1","1","1") = "8"
    & skf18("8","4","8","9","1","2","1") = "8"
    & skf18("8","4","8","9","1","3","1") = "8"
    & skf18("8","4","8","9","1","4","1") = "8"
    & skf18("8","4","8","9","1","5","1") = "8"
    & skf18("8","4","8","9","1","6","1") = "8"
    & skf18("8","4","8","9","1","7","1") = "8"
    & skf18("8","4","8","9","1","8","1") = "8"
    & skf18("8","4","8","9","1","9","1") = "8"
    & skf18("8","4","8","9","1","10","1") = "9"
    & skf18("8","4","8","9","2","1","1") = "8"
    & skf18("8","4","8","9","2","2","1") = "8"
    & skf18("8","4","8","9","2","3","1") = "8"
    & skf18("8","4","8","9","2","4","1") = "8"
    & skf18("8","4","8","9","2","5","1") = "8"
    & skf18("8","4","8","9","2","6","1") = "8"
    & skf18("8","4","8","9","2","7","1") = "8"
    & skf18("8","4","8","9","2","8","1") = "8"
    & skf18("8","4","8","9","2","9","1") = "8"
    & skf18("8","4","8","9","2","10","1") = "9"
    & skf18("8","4","8","9","3","1","1") = "8"
    & skf18("8","4","8","9","3","2","1") = "8"
    & skf18("8","4","8","9","3","3","1") = "8"
    & skf18("8","4","8","9","3","4","1") = "8"
    & skf18("8","4","8","9","3","5","1") = "8"
    & skf18("8","4","8","9","3","6","1") = "8"
    & skf18("8","4","8","9","3","7","1") = "8"
    & skf18("8","4","8","9","3","8","1") = "8"
    & skf18("8","4","8","9","3","9","1") = "8"
    & skf18("8","4","8","9","3","10","1") = "9"
    & skf18("8","4","8","9","4","1","1") = "8"
    & skf18("8","4","8","9","4","2","1") = "8"
    & skf18("8","4","8","9","4","3","1") = "8"
    & skf18("8","4","8","9","4","4","1") = "8"
    & skf18("8","4","8","9","4","5","1") = "8"
    & skf18("8","4","8","9","4","6","1") = "8"
    & skf18("8","4","8","9","4","7","1") = "8"
    & skf18("8","4","8","9","4","8","1") = "8"
    & skf18("8","4","8","9","4","9","1") = "8"
    & skf18("8","4","8","9","4","10","1") = "9"
    & skf18("8","4","8","9","5","1","1") = "8"
    & skf18("8","4","8","9","5","2","1") = "8"
    & skf18("8","4","8","9","5","3","1") = "8"
    & skf18("8","4","8","9","5","4","1") = "8"
    & skf18("8","4","8","9","5","5","1") = "8"
    & skf18("8","4","8","9","5","6","1") = "8"
    & skf18("8","4","8","9","5","7","1") = "8"
    & skf18("8","4","8","9","5","8","1") = "8"
    & skf18("8","4","8","9","5","9","1") = "8"
    & skf18("8","4","8","9","5","10","1") = "9"
    & skf18("8","4","8","9","6","1","1") = "8"
    & skf18("8","4","8","9","6","2","1") = "8"
    & skf18("8","4","8","9","6","3","1") = "8"
    & skf18("8","4","8","9","6","4","1") = "8"
    & skf18("8","4","8","9","6","5","1") = "8"
    & skf18("8","4","8","9","6","6","1") = "8"
    & skf18("8","4","8","9","6","7","1") = "8"
    & skf18("8","4","8","9","6","8","1") = "8"
    & skf18("8","4","8","9","6","9","1") = "8"
    & skf18("8","4","8","9","6","10","1") = "9"
    & skf18("8","4","8","9","7","1","1") = "8"
    & skf18("8","4","8","9","7","2","1") = "8"
    & skf18("8","4","8","9","7","3","1") = "8"
    & skf18("8","4","8","9","7","4","1") = "8"
    & skf18("8","4","8","9","7","5","1") = "8"
    & skf18("8","4","8","9","7","6","1") = "8"
    & skf18("8","4","8","9","7","7","1") = "8"
    & skf18("8","4","8","9","7","8","1") = "8"
    & skf18("8","4","8","9","7","9","1") = "8"
    & skf18("8","4","8","9","7","10","1") = "9"
    & skf18("8","4","8","9","8","1","1") = "8"
    & skf18("8","4","8","9","8","2","1") = "8"
    & skf18("8","4","8","9","8","3","1") = "8"
    & skf18("8","4","8","9","8","4","1") = "8"
    & skf18("8","4","8","9","8","5","1") = "8"
    & skf18("8","4","8","9","8","6","1") = "8"
    & skf18("8","4","8","9","8","7","1") = "8"
    & skf18("8","4","8","9","8","8","1") = "8"
    & skf18("8","4","8","9","8","9","1") = "8"
    & skf18("8","4","8","9","8","10","1") = "9"
    & skf18("8","4","8","9","9","1","1") = "8"
    & skf18("8","4","8","9","9","2","1") = "8"
    & skf18("8","4","8","9","9","3","1") = "8"
    & skf18("8","4","8","9","9","4","1") = "8"
    & skf18("8","4","8","9","9","5","1") = "8"
    & skf18("8","4","8","9","9","6","1") = "8"
    & skf18("8","4","8","9","9","7","1") = "8"
    & skf18("8","4","8","9","9","8","1") = "8"
    & skf18("8","4","8","9","9","9","1") = "8"
    & skf18("8","4","8","9","9","10","1") = "9"
    & skf18("8","4","8","9","10","1","1") = "9"
    & skf18("8","4","8","9","10","2","1") = "9"
    & skf18("8","4","8","9","10","3","1") = "9"
    & skf18("8","4","8","9","10","4","1") = "9"
    & skf18("8","4","8","9","10","5","1") = "9"
    & skf18("8","4","8","9","10","6","1") = "9"
    & skf18("8","4","8","9","10","7","1") = "9"
    & skf18("8","4","8","9","10","8","1") = "9"
    & skf18("8","4","8","9","10","9","1") = "9"
    & skf18("8","4","8","9","10","10","1") = "9"
    & skf18("8","4","8","10","1","1","1") = "9"
    & skf18("8","4","8","10","1","2","1") = "9"
    & skf18("8","4","8","10","1","3","1") = "9"
    & skf18("8","4","8","10","1","4","1") = "9"
    & skf18("8","4","8","10","1","5","1") = "9"
    & skf18("8","4","8","10","1","6","1") = "9"
    & skf18("8","4","8","10","1","7","1") = "9"
    & skf18("8","4","8","10","1","8","1") = "9"
    & skf18("8","4","8","10","1","9","1") = "9"
    & skf18("8","4","8","10","1","10","1") = "9"
    & skf18("8","4","8","10","2","1","1") = "9"
    & skf18("8","4","8","10","2","2","1") = "9"
    & skf18("8","4","8","10","2","3","1") = "9"
    & skf18("8","4","8","10","2","4","1") = "9"
    & skf18("8","4","8","10","2","5","1") = "9"
    & skf18("8","4","8","10","2","6","1") = "9"
    & skf18("8","4","8","10","2","7","1") = "9"
    & skf18("8","4","8","10","2","8","1") = "9"
    & skf18("8","4","8","10","2","9","1") = "9"
    & skf18("8","4","8","10","2","10","1") = "9"
    & skf18("8","4","8","10","3","1","1") = "9"
    & skf18("8","4","8","10","3","2","1") = "9"
    & skf18("8","4","8","10","3","3","1") = "9"
    & skf18("8","4","8","10","3","4","1") = "9"
    & skf18("8","4","8","10","3","5","1") = "9"
    & skf18("8","4","8","10","3","6","1") = "9"
    & skf18("8","4","8","10","3","7","1") = "9"
    & skf18("8","4","8","10","3","8","1") = "9"
    & skf18("8","4","8","10","3","9","1") = "9"
    & skf18("8","4","8","10","3","10","1") = "9"
    & skf18("8","4","8","10","4","1","1") = "9"
    & skf18("8","4","8","10","4","2","1") = "9"
    & skf18("8","4","8","10","4","3","1") = "9"
    & skf18("8","4","8","10","4","4","1") = "9"
    & skf18("8","4","8","10","4","5","1") = "9"
    & skf18("8","4","8","10","4","6","1") = "9"
    & skf18("8","4","8","10","4","7","1") = "9"
    & skf18("8","4","8","10","4","8","1") = "9"
    & skf18("8","4","8","10","4","9","1") = "9"
    & skf18("8","4","8","10","4","10","1") = "9"
    & skf18("8","4","8","10","5","1","1") = "9"
    & skf18("8","4","8","10","5","2","1") = "9"
    & skf18("8","4","8","10","5","3","1") = "9"
    & skf18("8","4","8","10","5","4","1") = "9"
    & skf18("8","4","8","10","5","5","1") = "9"
    & skf18("8","4","8","10","5","6","1") = "9"
    & skf18("8","4","8","10","5","7","1") = "9"
    & skf18("8","4","8","10","5","8","1") = "9"
    & skf18("8","4","8","10","5","9","1") = "9"
    & skf18("8","4","8","10","5","10","1") = "9"
    & skf18("8","4","8","10","6","1","1") = "9"
    & skf18("8","4","8","10","6","2","1") = "9"
    & skf18("8","4","8","10","6","3","1") = "9"
    & skf18("8","4","8","10","6","4","1") = "9"
    & skf18("8","4","8","10","6","5","1") = "9"
    & skf18("8","4","8","10","6","6","1") = "9"
    & skf18("8","4","8","10","6","7","1") = "9"
    & skf18("8","4","8","10","6","8","1") = "9"
    & skf18("8","4","8","10","6","9","1") = "9"
    & skf18("8","4","8","10","6","10","1") = "9"
    & skf18("8","4","8","10","7","1","1") = "9"
    & skf18("8","4","8","10","7","2","1") = "9"
    & skf18("8","4","8","10","7","3","1") = "9"
    & skf18("8","4","8","10","7","4","1") = "9"
    & skf18("8","4","8","10","7","5","1") = "9"
    & skf18("8","4","8","10","7","6","1") = "9"
    & skf18("8","4","8","10","7","7","1") = "9"
    & skf18("8","4","8","10","7","8","1") = "9"
    & skf18("8","4","8","10","7","9","1") = "9"
    & skf18("8","4","8","10","7","10","1") = "9"
    & skf18("8","4","8","10","8","1","1") = "9"
    & skf18("8","4","8","10","8","2","1") = "9"
    & skf18("8","4","8","10","8","3","1") = "9"
    & skf18("8","4","8","10","8","4","1") = "9"
    & skf18("8","4","8","10","8","5","1") = "9"
    & skf18("8","4","8","10","8","6","1") = "9"
    & skf18("8","4","8","10","8","7","1") = "9"
    & skf18("8","4","8","10","8","8","1") = "9"
    & skf18("8","4","8","10","8","9","1") = "9"
    & skf18("8","4","8","10","8","10","1") = "9"
    & skf18("8","4","8","10","9","1","1") = "9"
    & skf18("8","4","8","10","9","2","1") = "9"
    & skf18("8","4","8","10","9","3","1") = "9"
    & skf18("8","4","8","10","9","4","1") = "9"
    & skf18("8","4","8","10","9","5","1") = "9"
    & skf18("8","4","8","10","9","6","1") = "9"
    & skf18("8","4","8","10","9","7","1") = "9"
    & skf18("8","4","8","10","9","8","1") = "9"
    & skf18("8","4","8","10","9","9","1") = "9"
    & skf18("8","4","8","10","9","10","1") = "9"
    & skf18("8","4","8","10","10","1","1") = "9"
    & skf18("8","4","8","10","10","2","1") = "9"
    & skf18("8","4","8","10","10","3","1") = "9"
    & skf18("8","4","8","10","10","4","1") = "9"
    & skf18("8","4","8","10","10","5","1") = "9"
    & skf18("8","4","8","10","10","6","1") = "9"
    & skf18("8","4","8","10","10","7","1") = "9"
    & skf18("8","4","8","10","10","8","1") = "9"
    & skf18("8","4","8","10","10","9","1") = "9"
    & skf18("8","4","8","10","10","10","1") = "9"
    & skf18("8","4","9","1","1","1","1") = "8"
    & skf18("8","4","9","1","1","2","1") = "8"
    & skf18("8","4","9","1","1","3","1") = "8"
    & skf18("8","4","9","1","1","4","1") = "8"
    & skf18("8","4","9","1","1","5","1") = "8"
    & skf18("8","4","9","1","1","6","1") = "8"
    & skf18("8","4","9","1","1","7","1") = "8"
    & skf18("8","4","9","1","1","8","1") = "8"
    & skf18("8","4","9","1","1","9","1") = "8"
    & skf18("8","4","9","1","1","10","1") = "9"
    & skf18("8","4","9","1","2","1","1") = "8"
    & skf18("8","4","9","1","2","2","1") = "8"
    & skf18("8","4","9","1","2","3","1") = "8"
    & skf18("8","4","9","1","2","4","1") = "8"
    & skf18("8","4","9","1","2","5","1") = "8"
    & skf18("8","4","9","1","2","6","1") = "8"
    & skf18("8","4","9","1","2","7","1") = "8"
    & skf18("8","4","9","1","2","8","1") = "8"
    & skf18("8","4","9","1","2","9","1") = "8"
    & skf18("8","4","9","1","2","10","1") = "9"
    & skf18("8","4","9","1","3","1","1") = "8"
    & skf18("8","4","9","1","3","2","1") = "8"
    & skf18("8","4","9","1","3","3","1") = "8"
    & skf18("8","4","9","1","3","4","1") = "8"
    & skf18("8","4","9","1","3","5","1") = "8"
    & skf18("8","4","9","1","3","6","1") = "8"
    & skf18("8","4","9","1","3","7","1") = "8"
    & skf18("8","4","9","1","3","8","1") = "8"
    & skf18("8","4","9","1","3","9","1") = "8"
    & skf18("8","4","9","1","3","10","1") = "9"
    & skf18("8","4","9","1","4","1","1") = "8"
    & skf18("8","4","9","1","4","2","1") = "8"
    & skf18("8","4","9","1","4","3","1") = "8"
    & skf18("8","4","9","1","4","4","1") = "8"
    & skf18("8","4","9","1","4","5","1") = "8"
    & skf18("8","4","9","1","4","6","1") = "8"
    & skf18("8","4","9","1","4","7","1") = "8"
    & skf18("8","4","9","1","4","8","1") = "8"
    & skf18("8","4","9","1","4","9","1") = "8"
    & skf18("8","4","9","1","4","10","1") = "9"
    & skf18("8","4","9","1","5","1","1") = "8"
    & skf18("8","4","9","1","5","2","1") = "8"
    & skf18("8","4","9","1","5","3","1") = "8"
    & skf18("8","4","9","1","5","4","1") = "8"
    & skf18("8","4","9","1","5","5","1") = "8"
    & skf18("8","4","9","1","5","6","1") = "8"
    & skf18("8","4","9","1","5","7","1") = "8"
    & skf18("8","4","9","1","5","8","1") = "8"
    & skf18("8","4","9","1","5","9","1") = "8"
    & skf18("8","4","9","1","5","10","1") = "9"
    & skf18("8","4","9","1","6","1","1") = "8"
    & skf18("8","4","9","1","6","2","1") = "8"
    & skf18("8","4","9","1","6","3","1") = "8"
    & skf18("8","4","9","1","6","4","1") = "8"
    & skf18("8","4","9","1","6","5","1") = "8"
    & skf18("8","4","9","1","6","6","1") = "8"
    & skf18("8","4","9","1","6","7","1") = "8"
    & skf18("8","4","9","1","6","8","1") = "8"
    & skf18("8","4","9","1","6","9","1") = "8"
    & skf18("8","4","9","1","6","10","1") = "9"
    & skf18("8","4","9","1","7","1","1") = "8"
    & skf18("8","4","9","1","7","2","1") = "8"
    & skf18("8","4","9","1","7","3","1") = "8"
    & skf18("8","4","9","1","7","4","1") = "8"
    & skf18("8","4","9","1","7","5","1") = "8"
    & skf18("8","4","9","1","7","6","1") = "8"
    & skf18("8","4","9","1","7","7","1") = "8"
    & skf18("8","4","9","1","7","8","1") = "8"
    & skf18("8","4","9","1","7","9","1") = "8"
    & skf18("8","4","9","1","7","10","1") = "9"
    & skf18("8","4","9","1","8","1","1") = "8"
    & skf18("8","4","9","1","8","2","1") = "8"
    & skf18("8","4","9","1","8","3","1") = "8"
    & skf18("8","4","9","1","8","4","1") = "8"
    & skf18("8","4","9","1","8","5","1") = "8"
    & skf18("8","4","9","1","8","6","1") = "8"
    & skf18("8","4","9","1","8","7","1") = "8"
    & skf18("8","4","9","1","8","8","1") = "8"
    & skf18("8","4","9","1","8","9","1") = "8"
    & skf18("8","4","9","1","8","10","1") = "9"
    & skf18("8","4","9","1","9","1","1") = "8"
    & skf18("8","4","9","1","9","2","1") = "8"
    & skf18("8","4","9","1","9","3","1") = "8"
    & skf18("8","4","9","1","9","4","1") = "8"
    & skf18("8","4","9","1","9","5","1") = "8"
    & skf18("8","4","9","1","9","6","1") = "8"
    & skf18("8","4","9","1","9","7","1") = "8"
    & skf18("8","4","9","1","9","8","1") = "8"
    & skf18("8","4","9","1","9","9","1") = "8"
    & skf18("8","4","9","1","9","10","1") = "9"
    & skf18("8","4","9","1","10","1","1") = "9"
    & skf18("8","4","9","1","10","2","1") = "9"
    & skf18("8","4","9","1","10","3","1") = "9"
    & skf18("8","4","9","1","10","4","1") = "9"
    & skf18("8","4","9","1","10","5","1") = "9"
    & skf18("8","4","9","1","10","6","1") = "9"
    & skf18("8","4","9","1","10","7","1") = "9"
    & skf18("8","4","9","1","10","8","1") = "9"
    & skf18("8","4","9","1","10","9","1") = "9"
    & skf18("8","4","9","1","10","10","1") = "9"
    & skf18("8","4","9","2","1","1","1") = "8"
    & skf18("8","4","9","2","1","2","1") = "8"
    & skf18("8","4","9","2","1","3","1") = "8"
    & skf18("8","4","9","2","1","4","1") = "8"
    & skf18("8","4","9","2","1","5","1") = "8"
    & skf18("8","4","9","2","1","6","1") = "8"
    & skf18("8","4","9","2","1","7","1") = "8"
    & skf18("8","4","9","2","1","8","1") = "8"
    & skf18("8","4","9","2","1","9","1") = "8"
    & skf18("8","4","9","2","1","10","1") = "9"
    & skf18("8","4","9","2","2","1","1") = "8"
    & skf18("8","4","9","2","2","2","1") = "8"
    & skf18("8","4","9","2","2","3","1") = "8"
    & skf18("8","4","9","2","2","4","1") = "8"
    & skf18("8","4","9","2","2","5","1") = "8"
    & skf18("8","4","9","2","2","6","1") = "8"
    & skf18("8","4","9","2","2","7","1") = "8"
    & skf18("8","4","9","2","2","8","1") = "8"
    & skf18("8","4","9","2","2","9","1") = "8"
    & skf18("8","4","9","2","2","10","1") = "9"
    & skf18("8","4","9","2","3","1","1") = "8"
    & skf18("8","4","9","2","3","2","1") = "8"
    & skf18("8","4","9","2","3","3","1") = "8"
    & skf18("8","4","9","2","3","4","1") = "8"
    & skf18("8","4","9","2","3","5","1") = "8"
    & skf18("8","4","9","2","3","6","1") = "8"
    & skf18("8","4","9","2","3","7","1") = "8"
    & skf18("8","4","9","2","3","8","1") = "8"
    & skf18("8","4","9","2","3","9","1") = "8"
    & skf18("8","4","9","2","3","10","1") = "9"
    & skf18("8","4","9","2","4","1","1") = "8"
    & skf18("8","4","9","2","4","2","1") = "8"
    & skf18("8","4","9","2","4","3","1") = "8"
    & skf18("8","4","9","2","4","4","1") = "8"
    & skf18("8","4","9","2","4","5","1") = "8"
    & skf18("8","4","9","2","4","6","1") = "8"
    & skf18("8","4","9","2","4","7","1") = "8"
    & skf18("8","4","9","2","4","8","1") = "8"
    & skf18("8","4","9","2","4","9","1") = "8"
    & skf18("8","4","9","2","4","10","1") = "9"
    & skf18("8","4","9","2","5","1","1") = "8"
    & skf18("8","4","9","2","5","2","1") = "8"
    & skf18("8","4","9","2","5","3","1") = "8"
    & skf18("8","4","9","2","5","4","1") = "8"
    & skf18("8","4","9","2","5","5","1") = "8"
    & skf18("8","4","9","2","5","6","1") = "8"
    & skf18("8","4","9","2","5","7","1") = "8"
    & skf18("8","4","9","2","5","8","1") = "8"
    & skf18("8","4","9","2","5","9","1") = "8"
    & skf18("8","4","9","2","5","10","1") = "9"
    & skf18("8","4","9","2","6","1","1") = "8"
    & skf18("8","4","9","2","6","2","1") = "8"
    & skf18("8","4","9","2","6","3","1") = "8"
    & skf18("8","4","9","2","6","4","1") = "8"
    & skf18("8","4","9","2","6","5","1") = "8"
    & skf18("8","4","9","2","6","6","1") = "8"
    & skf18("8","4","9","2","6","7","1") = "8"
    & skf18("8","4","9","2","6","8","1") = "8"
    & skf18("8","4","9","2","6","9","1") = "8"
    & skf18("8","4","9","2","6","10","1") = "9"
    & skf18("8","4","9","2","7","1","1") = "8"
    & skf18("8","4","9","2","7","2","1") = "8"
    & skf18("8","4","9","2","7","3","1") = "8"
    & skf18("8","4","9","2","7","4","1") = "8"
    & skf18("8","4","9","2","7","5","1") = "8"
    & skf18("8","4","9","2","7","6","1") = "8"
    & skf18("8","4","9","2","7","7","1") = "8"
    & skf18("8","4","9","2","7","8","1") = "8"
    & skf18("8","4","9","2","7","9","1") = "8"
    & skf18("8","4","9","2","7","10","1") = "9"
    & skf18("8","4","9","2","8","1","1") = "8"
    & skf18("8","4","9","2","8","2","1") = "8"
    & skf18("8","4","9","2","8","3","1") = "8"
    & skf18("8","4","9","2","8","4","1") = "8"
    & skf18("8","4","9","2","8","5","1") = "8"
    & skf18("8","4","9","2","8","6","1") = "8"
    & skf18("8","4","9","2","8","7","1") = "8"
    & skf18("8","4","9","2","8","8","1") = "8"
    & skf18("8","4","9","2","8","9","1") = "8"
    & skf18("8","4","9","2","8","10","1") = "9"
    & skf18("8","4","9","2","9","1","1") = "8"
    & skf18("8","4","9","2","9","2","1") = "8"
    & skf18("8","4","9","2","9","3","1") = "8"
    & skf18("8","4","9","2","9","4","1") = "8"
    & skf18("8","4","9","2","9","5","1") = "8"
    & skf18("8","4","9","2","9","6","1") = "8"
    & skf18("8","4","9","2","9","7","1") = "8"
    & skf18("8","4","9","2","9","8","1") = "8"
    & skf18("8","4","9","2","9","9","1") = "8"
    & skf18("8","4","9","2","9","10","1") = "9"
    & skf18("8","4","9","2","10","1","1") = "9"
    & skf18("8","4","9","2","10","2","1") = "9"
    & skf18("8","4","9","2","10","3","1") = "9"
    & skf18("8","4","9","2","10","4","1") = "9"
    & skf18("8","4","9","2","10","5","1") = "9"
    & skf18("8","4","9","2","10","6","1") = "9"
    & skf18("8","4","9","2","10","7","1") = "9"
    & skf18("8","4","9","2","10","8","1") = "9"
    & skf18("8","4","9","2","10","9","1") = "9"
    & skf18("8","4","9","2","10","10","1") = "9"
    & skf18("8","4","9","3","1","1","1") = "8"
    & skf18("8","4","9","3","1","2","1") = "8"
    & skf18("8","4","9","3","1","3","1") = "8"
    & skf18("8","4","9","3","1","4","1") = "8"
    & skf18("8","4","9","3","1","5","1") = "8"
    & skf18("8","4","9","3","1","6","1") = "8"
    & skf18("8","4","9","3","1","7","1") = "8"
    & skf18("8","4","9","3","1","8","1") = "8"
    & skf18("8","4","9","3","1","9","1") = "8"
    & skf18("8","4","9","3","1","10","1") = "9"
    & skf18("8","4","9","3","2","1","1") = "8"
    & skf18("8","4","9","3","2","2","1") = "8"
    & skf18("8","4","9","3","2","3","1") = "8"
    & skf18("8","4","9","3","2","4","1") = "8"
    & skf18("8","4","9","3","2","5","1") = "8"
    & skf18("8","4","9","3","2","6","1") = "8"
    & skf18("8","4","9","3","2","7","1") = "8"
    & skf18("8","4","9","3","2","8","1") = "8"
    & skf18("8","4","9","3","2","9","1") = "8"
    & skf18("8","4","9","3","2","10","1") = "9"
    & skf18("8","4","9","3","3","1","1") = "8"
    & skf18("8","4","9","3","3","2","1") = "8"
    & skf18("8","4","9","3","3","3","1") = "8"
    & skf18("8","4","9","3","3","4","1") = "8"
    & skf18("8","4","9","3","3","5","1") = "8"
    & skf18("8","4","9","3","3","6","1") = "8"
    & skf18("8","4","9","3","3","7","1") = "8"
    & skf18("8","4","9","3","3","8","1") = "8"
    & skf18("8","4","9","3","3","9","1") = "8"
    & skf18("8","4","9","3","3","10","1") = "9"
    & skf18("8","4","9","3","4","1","1") = "8"
    & skf18("8","4","9","3","4","2","1") = "8"
    & skf18("8","4","9","3","4","3","1") = "8"
    & skf18("8","4","9","3","4","4","1") = "8"
    & skf18("8","4","9","3","4","5","1") = "8"
    & skf18("8","4","9","3","4","6","1") = "8"
    & skf18("8","4","9","3","4","7","1") = "8"
    & skf18("8","4","9","3","4","8","1") = "8"
    & skf18("8","4","9","3","4","9","1") = "8"
    & skf18("8","4","9","3","4","10","1") = "9"
    & skf18("8","4","9","3","5","1","1") = "8"
    & skf18("8","4","9","3","5","2","1") = "8"
    & skf18("8","4","9","3","5","3","1") = "8"
    & skf18("8","4","9","3","5","4","1") = "8"
    & skf18("8","4","9","3","5","5","1") = "8"
    & skf18("8","4","9","3","5","6","1") = "8"
    & skf18("8","4","9","3","5","7","1") = "8"
    & skf18("8","4","9","3","5","8","1") = "8"
    & skf18("8","4","9","3","5","9","1") = "8"
    & skf18("8","4","9","3","5","10","1") = "9"
    & skf18("8","4","9","3","6","1","1") = "8"
    & skf18("8","4","9","3","6","2","1") = "8"
    & skf18("8","4","9","3","6","3","1") = "8"
    & skf18("8","4","9","3","6","4","1") = "8"
    & skf18("8","4","9","3","6","5","1") = "8"
    & skf18("8","4","9","3","6","6","1") = "8"
    & skf18("8","4","9","3","6","7","1") = "8"
    & skf18("8","4","9","3","6","8","1") = "8"
    & skf18("8","4","9","3","6","9","1") = "8"
    & skf18("8","4","9","3","6","10","1") = "9"
    & skf18("8","4","9","3","7","1","1") = "8"
    & skf18("8","4","9","3","7","2","1") = "8"
    & skf18("8","4","9","3","7","3","1") = "8"
    & skf18("8","4","9","3","7","4","1") = "8"
    & skf18("8","4","9","3","7","5","1") = "8"
    & skf18("8","4","9","3","7","6","1") = "8"
    & skf18("8","4","9","3","7","7","1") = "8"
    & skf18("8","4","9","3","7","8","1") = "8"
    & skf18("8","4","9","3","7","9","1") = "8"
    & skf18("8","4","9","3","7","10","1") = "9"
    & skf18("8","4","9","3","8","1","1") = "8"
    & skf18("8","4","9","3","8","2","1") = "8"
    & skf18("8","4","9","3","8","3","1") = "8"
    & skf18("8","4","9","3","8","4","1") = "8"
    & skf18("8","4","9","3","8","5","1") = "8"
    & skf18("8","4","9","3","8","6","1") = "8"
    & skf18("8","4","9","3","8","7","1") = "8"
    & skf18("8","4","9","3","8","8","1") = "8"
    & skf18("8","4","9","3","8","9","1") = "8"
    & skf18("8","4","9","3","8","10","1") = "9"
    & skf18("8","4","9","3","9","1","1") = "8"
    & skf18("8","4","9","3","9","2","1") = "8"
    & skf18("8","4","9","3","9","3","1") = "8"
    & skf18("8","4","9","3","9","4","1") = "8"
    & skf18("8","4","9","3","9","5","1") = "8"
    & skf18("8","4","9","3","9","6","1") = "8"
    & skf18("8","4","9","3","9","7","1") = "8"
    & skf18("8","4","9","3","9","8","1") = "8"
    & skf18("8","4","9","3","9","9","1") = "8"
    & skf18("8","4","9","3","9","10","1") = "9"
    & skf18("8","4","9","3","10","1","1") = "9"
    & skf18("8","4","9","3","10","2","1") = "9"
    & skf18("8","4","9","3","10","3","1") = "9"
    & skf18("8","4","9","3","10","4","1") = "9"
    & skf18("8","4","9","3","10","5","1") = "9"
    & skf18("8","4","9","3","10","6","1") = "9"
    & skf18("8","4","9","3","10","7","1") = "9"
    & skf18("8","4","9","3","10","8","1") = "9"
    & skf18("8","4","9","3","10","9","1") = "9"
    & skf18("8","4","9","3","10","10","1") = "9"
    & skf18("8","4","9","4","1","1","1") = "8"
    & skf18("8","4","9","4","1","2","1") = "8"
    & skf18("8","4","9","4","1","3","1") = "8"
    & skf18("8","4","9","4","1","4","1") = "8"
    & skf18("8","4","9","4","1","5","1") = "8"
    & skf18("8","4","9","4","1","6","1") = "8"
    & skf18("8","4","9","4","1","7","1") = "8"
    & skf18("8","4","9","4","1","8","1") = "8"
    & skf18("8","4","9","4","1","9","1") = "8"
    & skf18("8","4","9","4","1","10","1") = "9"
    & skf18("8","4","9","4","2","1","1") = "8"
    & skf18("8","4","9","4","2","2","1") = "8"
    & skf18("8","4","9","4","2","3","1") = "8"
    & skf18("8","4","9","4","2","4","1") = "8"
    & skf18("8","4","9","4","2","5","1") = "8"
    & skf18("8","4","9","4","2","6","1") = "8"
    & skf18("8","4","9","4","2","7","1") = "8"
    & skf18("8","4","9","4","2","8","1") = "8"
    & skf18("8","4","9","4","2","9","1") = "8"
    & skf18("8","4","9","4","2","10","1") = "9"
    & skf18("8","4","9","4","3","1","1") = "8"
    & skf18("8","4","9","4","3","2","1") = "8"
    & skf18("8","4","9","4","3","3","1") = "8"
    & skf18("8","4","9","4","3","4","1") = "8"
    & skf18("8","4","9","4","3","5","1") = "8"
    & skf18("8","4","9","4","3","6","1") = "8"
    & skf18("8","4","9","4","3","7","1") = "8"
    & skf18("8","4","9","4","3","8","1") = "8"
    & skf18("8","4","9","4","3","9","1") = "8"
    & skf18("8","4","9","4","3","10","1") = "9"
    & skf18("8","4","9","4","4","1","1") = "8"
    & skf18("8","4","9","4","4","2","1") = "8"
    & skf18("8","4","9","4","4","3","1") = "8"
    & skf18("8","4","9","4","4","4","1") = "8"
    & skf18("8","4","9","4","4","5","1") = "8"
    & skf18("8","4","9","4","4","6","1") = "8"
    & skf18("8","4","9","4","4","7","1") = "8"
    & skf18("8","4","9","4","4","8","1") = "8"
    & skf18("8","4","9","4","4","9","1") = "8"
    & skf18("8","4","9","4","4","10","1") = "9"
    & skf18("8","4","9","4","5","1","1") = "8"
    & skf18("8","4","9","4","5","2","1") = "8"
    & skf18("8","4","9","4","5","3","1") = "8"
    & skf18("8","4","9","4","5","4","1") = "8"
    & skf18("8","4","9","4","5","5","1") = "8"
    & skf18("8","4","9","4","5","6","1") = "8"
    & skf18("8","4","9","4","5","7","1") = "8"
    & skf18("8","4","9","4","5","8","1") = "8"
    & skf18("8","4","9","4","5","9","1") = "8"
    & skf18("8","4","9","4","5","10","1") = "9"
    & skf18("8","4","9","4","6","1","1") = "8"
    & skf18("8","4","9","4","6","2","1") = "8"
    & skf18("8","4","9","4","6","3","1") = "8"
    & skf18("8","4","9","4","6","4","1") = "8"
    & skf18("8","4","9","4","6","5","1") = "8"
    & skf18("8","4","9","4","6","6","1") = "8"
    & skf18("8","4","9","4","6","7","1") = "8"
    & skf18("8","4","9","4","6","8","1") = "8"
    & skf18("8","4","9","4","6","9","1") = "8"
    & skf18("8","4","9","4","6","10","1") = "9"
    & skf18("8","4","9","4","7","1","1") = "8"
    & skf18("8","4","9","4","7","2","1") = "8"
    & skf18("8","4","9","4","7","3","1") = "8"
    & skf18("8","4","9","4","7","4","1") = "8"
    & skf18("8","4","9","4","7","5","1") = "8"
    & skf18("8","4","9","4","7","6","1") = "8"
    & skf18("8","4","9","4","7","7","1") = "8"
    & skf18("8","4","9","4","7","8","1") = "8"
    & skf18("8","4","9","4","7","9","1") = "8"
    & skf18("8","4","9","4","7","10","1") = "9"
    & skf18("8","4","9","4","8","1","1") = "8"
    & skf18("8","4","9","4","8","2","1") = "8"
    & skf18("8","4","9","4","8","3","1") = "8"
    & skf18("8","4","9","4","8","4","1") = "8"
    & skf18("8","4","9","4","8","5","1") = "8"
    & skf18("8","4","9","4","8","6","1") = "8"
    & skf18("8","4","9","4","8","7","1") = "8"
    & skf18("8","4","9","4","8","8","1") = "8"
    & skf18("8","4","9","4","8","9","1") = "8"
    & skf18("8","4","9","4","8","10","1") = "9"
    & skf18("8","4","9","4","9","1","1") = "8"
    & skf18("8","4","9","4","9","2","1") = "8"
    & skf18("8","4","9","4","9","3","1") = "8"
    & skf18("8","4","9","4","9","4","1") = "8"
    & skf18("8","4","9","4","9","5","1") = "8"
    & skf18("8","4","9","4","9","6","1") = "8"
    & skf18("8","4","9","4","9","7","1") = "8"
    & skf18("8","4","9","4","9","8","1") = "8"
    & skf18("8","4","9","4","9","9","1") = "8"
    & skf18("8","4","9","4","9","10","1") = "9"
    & skf18("8","4","9","4","10","1","1") = "9"
    & skf18("8","4","9","4","10","2","1") = "9"
    & skf18("8","4","9","4","10","3","1") = "9"
    & skf18("8","4","9","4","10","4","1") = "9"
    & skf18("8","4","9","4","10","5","1") = "9"
    & skf18("8","4","9","4","10","6","1") = "9"
    & skf18("8","4","9","4","10","7","1") = "9"
    & skf18("8","4","9","4","10","8","1") = "9"
    & skf18("8","4","9","4","10","9","1") = "9"
    & skf18("8","4","9","4","10","10","1") = "9"
    & skf18("8","4","9","5","1","1","1") = "8"
    & skf18("8","4","9","5","1","2","1") = "8"
    & skf18("8","4","9","5","1","3","1") = "8"
    & skf18("8","4","9","5","1","4","1") = "8"
    & skf18("8","4","9","5","1","5","1") = "8"
    & skf18("8","4","9","5","1","6","1") = "8"
    & skf18("8","4","9","5","1","7","1") = "8"
    & skf18("8","4","9","5","1","8","1") = "8"
    & skf18("8","4","9","5","1","9","1") = "8"
    & skf18("8","4","9","5","1","10","1") = "9"
    & skf18("8","4","9","5","2","1","1") = "8"
    & skf18("8","4","9","5","2","2","1") = "8"
    & skf18("8","4","9","5","2","3","1") = "8"
    & skf18("8","4","9","5","2","4","1") = "8"
    & skf18("8","4","9","5","2","5","1") = "8"
    & skf18("8","4","9","5","2","6","1") = "8"
    & skf18("8","4","9","5","2","7","1") = "8"
    & skf18("8","4","9","5","2","8","1") = "8"
    & skf18("8","4","9","5","2","9","1") = "8"
    & skf18("8","4","9","5","2","10","1") = "9"
    & skf18("8","4","9","5","3","1","1") = "8"
    & skf18("8","4","9","5","3","2","1") = "8"
    & skf18("8","4","9","5","3","3","1") = "8"
    & skf18("8","4","9","5","3","4","1") = "8"
    & skf18("8","4","9","5","3","5","1") = "8"
    & skf18("8","4","9","5","3","6","1") = "8"
    & skf18("8","4","9","5","3","7","1") = "8"
    & skf18("8","4","9","5","3","8","1") = "8"
    & skf18("8","4","9","5","3","9","1") = "8"
    & skf18("8","4","9","5","3","10","1") = "9"
    & skf18("8","4","9","5","4","1","1") = "8"
    & skf18("8","4","9","5","4","2","1") = "8"
    & skf18("8","4","9","5","4","3","1") = "8"
    & skf18("8","4","9","5","4","4","1") = "8"
    & skf18("8","4","9","5","4","5","1") = "8"
    & skf18("8","4","9","5","4","6","1") = "8"
    & skf18("8","4","9","5","4","7","1") = "8"
    & skf18("8","4","9","5","4","8","1") = "8"
    & skf18("8","4","9","5","4","9","1") = "8"
    & skf18("8","4","9","5","4","10","1") = "9"
    & skf18("8","4","9","5","5","1","1") = "8"
    & skf18("8","4","9","5","5","2","1") = "8"
    & skf18("8","4","9","5","5","3","1") = "8"
    & skf18("8","4","9","5","5","4","1") = "8"
    & skf18("8","4","9","5","5","5","1") = "8"
    & skf18("8","4","9","5","5","6","1") = "8"
    & skf18("8","4","9","5","5","7","1") = "8"
    & skf18("8","4","9","5","5","8","1") = "8"
    & skf18("8","4","9","5","5","9","1") = "8"
    & skf18("8","4","9","5","5","10","1") = "9"
    & skf18("8","4","9","5","6","1","1") = "8"
    & skf18("8","4","9","5","6","2","1") = "8"
    & skf18("8","4","9","5","6","3","1") = "8"
    & skf18("8","4","9","5","6","4","1") = "8"
    & skf18("8","4","9","5","6","5","1") = "8"
    & skf18("8","4","9","5","6","6","1") = "8"
    & skf18("8","4","9","5","6","7","1") = "8"
    & skf18("8","4","9","5","6","8","1") = "8"
    & skf18("8","4","9","5","6","9","1") = "8"
    & skf18("8","4","9","5","6","10","1") = "9"
    & skf18("8","4","9","5","7","1","1") = "8"
    & skf18("8","4","9","5","7","2","1") = "8"
    & skf18("8","4","9","5","7","3","1") = "8"
    & skf18("8","4","9","5","7","4","1") = "8"
    & skf18("8","4","9","5","7","5","1") = "8"
    & skf18("8","4","9","5","7","6","1") = "8"
    & skf18("8","4","9","5","7","7","1") = "8"
    & skf18("8","4","9","5","7","8","1") = "8"
    & skf18("8","4","9","5","7","9","1") = "8"
    & skf18("8","4","9","5","7","10","1") = "9"
    & skf18("8","4","9","5","8","1","1") = "8"
    & skf18("8","4","9","5","8","2","1") = "8"
    & skf18("8","4","9","5","8","3","1") = "8"
    & skf18("8","4","9","5","8","4","1") = "8"
    & skf18("8","4","9","5","8","5","1") = "8"
    & skf18("8","4","9","5","8","6","1") = "8"
    & skf18("8","4","9","5","8","7","1") = "8"
    & skf18("8","4","9","5","8","8","1") = "8"
    & skf18("8","4","9","5","8","9","1") = "8"
    & skf18("8","4","9","5","8","10","1") = "9"
    & skf18("8","4","9","5","9","1","1") = "8"
    & skf18("8","4","9","5","9","2","1") = "8"
    & skf18("8","4","9","5","9","3","1") = "8"
    & skf18("8","4","9","5","9","4","1") = "8"
    & skf18("8","4","9","5","9","5","1") = "8"
    & skf18("8","4","9","5","9","6","1") = "8"
    & skf18("8","4","9","5","9","7","1") = "8"
    & skf18("8","4","9","5","9","8","1") = "8"
    & skf18("8","4","9","5","9","9","1") = "8"
    & skf18("8","4","9","5","9","10","1") = "9"
    & skf18("8","4","9","5","10","1","1") = "9"
    & skf18("8","4","9","5","10","2","1") = "9"
    & skf18("8","4","9","5","10","3","1") = "9"
    & skf18("8","4","9","5","10","4","1") = "9"
    & skf18("8","4","9","5","10","5","1") = "9"
    & skf18("8","4","9","5","10","6","1") = "9"
    & skf18("8","4","9","5","10","7","1") = "9"
    & skf18("8","4","9","5","10","8","1") = "9"
    & skf18("8","4","9","5","10","9","1") = "9"
    & skf18("8","4","9","5","10","10","1") = "9"
    & skf18("8","4","9","6","1","1","1") = "8"
    & skf18("8","4","9","6","1","2","1") = "8"
    & skf18("8","4","9","6","1","3","1") = "8"
    & skf18("8","4","9","6","1","4","1") = "8"
    & skf18("8","4","9","6","1","5","1") = "8"
    & skf18("8","4","9","6","1","6","1") = "8"
    & skf18("8","4","9","6","1","7","1") = "8"
    & skf18("8","4","9","6","1","8","1") = "8"
    & skf18("8","4","9","6","1","9","1") = "8"
    & skf18("8","4","9","6","1","10","1") = "9"
    & skf18("8","4","9","6","2","1","1") = "8"
    & skf18("8","4","9","6","2","2","1") = "8"
    & skf18("8","4","9","6","2","3","1") = "8"
    & skf18("8","4","9","6","2","4","1") = "8"
    & skf18("8","4","9","6","2","5","1") = "8"
    & skf18("8","4","9","6","2","6","1") = "8"
    & skf18("8","4","9","6","2","7","1") = "8"
    & skf18("8","4","9","6","2","8","1") = "8"
    & skf18("8","4","9","6","2","9","1") = "8"
    & skf18("8","4","9","6","2","10","1") = "9"
    & skf18("8","4","9","6","3","1","1") = "8"
    & skf18("8","4","9","6","3","2","1") = "8"
    & skf18("8","4","9","6","3","3","1") = "8"
    & skf18("8","4","9","6","3","4","1") = "8"
    & skf18("8","4","9","6","3","5","1") = "8"
    & skf18("8","4","9","6","3","6","1") = "8"
    & skf18("8","4","9","6","3","7","1") = "8"
    & skf18("8","4","9","6","3","8","1") = "8"
    & skf18("8","4","9","6","3","9","1") = "8"
    & skf18("8","4","9","6","3","10","1") = "9"
    & skf18("8","4","9","6","4","1","1") = "8"
    & skf18("8","4","9","6","4","2","1") = "8"
    & skf18("8","4","9","6","4","3","1") = "8"
    & skf18("8","4","9","6","4","4","1") = "8"
    & skf18("8","4","9","6","4","5","1") = "8"
    & skf18("8","4","9","6","4","6","1") = "8"
    & skf18("8","4","9","6","4","7","1") = "8"
    & skf18("8","4","9","6","4","8","1") = "8"
    & skf18("8","4","9","6","4","9","1") = "8"
    & skf18("8","4","9","6","4","10","1") = "9"
    & skf18("8","4","9","6","5","1","1") = "8"
    & skf18("8","4","9","6","5","2","1") = "8"
    & skf18("8","4","9","6","5","3","1") = "8"
    & skf18("8","4","9","6","5","4","1") = "8"
    & skf18("8","4","9","6","5","5","1") = "8"
    & skf18("8","4","9","6","5","6","1") = "8"
    & skf18("8","4","9","6","5","7","1") = "8"
    & skf18("8","4","9","6","5","8","1") = "8"
    & skf18("8","4","9","6","5","9","1") = "8"
    & skf18("8","4","9","6","5","10","1") = "9"
    & skf18("8","4","9","6","6","1","1") = "8"
    & skf18("8","4","9","6","6","2","1") = "8"
    & skf18("8","4","9","6","6","3","1") = "8"
    & skf18("8","4","9","6","6","4","1") = "8"
    & skf18("8","4","9","6","6","5","1") = "8"
    & skf18("8","4","9","6","6","6","1") = "8"
    & skf18("8","4","9","6","6","7","1") = "8"
    & skf18("8","4","9","6","6","8","1") = "8"
    & skf18("8","4","9","6","6","9","1") = "8"
    & skf18("8","4","9","6","6","10","1") = "9"
    & skf18("8","4","9","6","7","1","1") = "8"
    & skf18("8","4","9","6","7","2","1") = "8"
    & skf18("8","4","9","6","7","3","1") = "8"
    & skf18("8","4","9","6","7","4","1") = "8"
    & skf18("8","4","9","6","7","5","1") = "8"
    & skf18("8","4","9","6","7","6","1") = "8"
    & skf18("8","4","9","6","7","7","1") = "8"
    & skf18("8","4","9","6","7","8","1") = "8"
    & skf18("8","4","9","6","7","9","1") = "8"
    & skf18("8","4","9","6","7","10","1") = "9"
    & skf18("8","4","9","6","8","1","1") = "8"
    & skf18("8","4","9","6","8","2","1") = "8"
    & skf18("8","4","9","6","8","3","1") = "8"
    & skf18("8","4","9","6","8","4","1") = "8"
    & skf18("8","4","9","6","8","5","1") = "8"
    & skf18("8","4","9","6","8","6","1") = "8"
    & skf18("8","4","9","6","8","7","1") = "8"
    & skf18("8","4","9","6","8","8","1") = "8"
    & skf18("8","4","9","6","8","9","1") = "8"
    & skf18("8","4","9","6","8","10","1") = "9"
    & skf18("8","4","9","6","9","1","1") = "8"
    & skf18("8","4","9","6","9","2","1") = "8"
    & skf18("8","4","9","6","9","3","1") = "8"
    & skf18("8","4","9","6","9","4","1") = "8"
    & skf18("8","4","9","6","9","5","1") = "8"
    & skf18("8","4","9","6","9","6","1") = "8"
    & skf18("8","4","9","6","9","7","1") = "8"
    & skf18("8","4","9","6","9","8","1") = "8"
    & skf18("8","4","9","6","9","9","1") = "8"
    & skf18("8","4","9","6","9","10","1") = "9"
    & skf18("8","4","9","6","10","1","1") = "9"
    & skf18("8","4","9","6","10","2","1") = "9"
    & skf18("8","4","9","6","10","3","1") = "9"
    & skf18("8","4","9","6","10","4","1") = "9"
    & skf18("8","4","9","6","10","5","1") = "9"
    & skf18("8","4","9","6","10","6","1") = "9"
    & skf18("8","4","9","6","10","7","1") = "9"
    & skf18("8","4","9","6","10","8","1") = "9"
    & skf18("8","4","9","6","10","9","1") = "9"
    & skf18("8","4","9","6","10","10","1") = "9"
    & skf18("8","4","9","7","1","1","1") = "8"
    & skf18("8","4","9","7","1","2","1") = "8"
    & skf18("8","4","9","7","1","3","1") = "8"
    & skf18("8","4","9","7","1","4","1") = "8"
    & skf18("8","4","9","7","1","5","1") = "8"
    & skf18("8","4","9","7","1","6","1") = "8"
    & skf18("8","4","9","7","1","7","1") = "8"
    & skf18("8","4","9","7","1","8","1") = "8"
    & skf18("8","4","9","7","1","9","1") = "8"
    & skf18("8","4","9","7","1","10","1") = "9"
    & skf18("8","4","9","7","2","1","1") = "8"
    & skf18("8","4","9","7","2","2","1") = "8"
    & skf18("8","4","9","7","2","3","1") = "8"
    & skf18("8","4","9","7","2","4","1") = "8"
    & skf18("8","4","9","7","2","5","1") = "8"
    & skf18("8","4","9","7","2","6","1") = "8"
    & skf18("8","4","9","7","2","7","1") = "8"
    & skf18("8","4","9","7","2","8","1") = "8"
    & skf18("8","4","9","7","2","9","1") = "8"
    & skf18("8","4","9","7","2","10","1") = "9"
    & skf18("8","4","9","7","3","1","1") = "8"
    & skf18("8","4","9","7","3","2","1") = "8"
    & skf18("8","4","9","7","3","3","1") = "8"
    & skf18("8","4","9","7","3","4","1") = "8"
    & skf18("8","4","9","7","3","5","1") = "8"
    & skf18("8","4","9","7","3","6","1") = "8"
    & skf18("8","4","9","7","3","7","1") = "8"
    & skf18("8","4","9","7","3","8","1") = "8"
    & skf18("8","4","9","7","3","9","1") = "8"
    & skf18("8","4","9","7","3","10","1") = "9"
    & skf18("8","4","9","7","4","1","1") = "8"
    & skf18("8","4","9","7","4","2","1") = "8"
    & skf18("8","4","9","7","4","3","1") = "8"
    & skf18("8","4","9","7","4","4","1") = "8"
    & skf18("8","4","9","7","4","5","1") = "8"
    & skf18("8","4","9","7","4","6","1") = "8"
    & skf18("8","4","9","7","4","7","1") = "8"
    & skf18("8","4","9","7","4","8","1") = "8"
    & skf18("8","4","9","7","4","9","1") = "8"
    & skf18("8","4","9","7","4","10","1") = "9"
    & skf18("8","4","9","7","5","1","1") = "8"
    & skf18("8","4","9","7","5","2","1") = "8"
    & skf18("8","4","9","7","5","3","1") = "8"
    & skf18("8","4","9","7","5","4","1") = "8"
    & skf18("8","4","9","7","5","5","1") = "8"
    & skf18("8","4","9","7","5","6","1") = "8"
    & skf18("8","4","9","7","5","7","1") = "8"
    & skf18("8","4","9","7","5","8","1") = "8"
    & skf18("8","4","9","7","5","9","1") = "8"
    & skf18("8","4","9","7","5","10","1") = "9"
    & skf18("8","4","9","7","6","1","1") = "8"
    & skf18("8","4","9","7","6","2","1") = "8"
    & skf18("8","4","9","7","6","3","1") = "8"
    & skf18("8","4","9","7","6","4","1") = "8"
    & skf18("8","4","9","7","6","5","1") = "8"
    & skf18("8","4","9","7","6","6","1") = "8"
    & skf18("8","4","9","7","6","7","1") = "8"
    & skf18("8","4","9","7","6","8","1") = "8"
    & skf18("8","4","9","7","6","9","1") = "8"
    & skf18("8","4","9","7","6","10","1") = "9"
    & skf18("8","4","9","7","7","1","1") = "8"
    & skf18("8","4","9","7","7","2","1") = "8"
    & skf18("8","4","9","7","7","3","1") = "8"
    & skf18("8","4","9","7","7","4","1") = "8"
    & skf18("8","4","9","7","7","5","1") = "8"
    & skf18("8","4","9","7","7","6","1") = "8"
    & skf18("8","4","9","7","7","7","1") = "8"
    & skf18("8","4","9","7","7","8","1") = "8"
    & skf18("8","4","9","7","7","9","1") = "8"
    & skf18("8","4","9","7","7","10","1") = "9"
    & skf18("8","4","9","7","8","1","1") = "8"
    & skf18("8","4","9","7","8","2","1") = "8"
    & skf18("8","4","9","7","8","3","1") = "8"
    & skf18("8","4","9","7","8","4","1") = "8"
    & skf18("8","4","9","7","8","5","1") = "8"
    & skf18("8","4","9","7","8","6","1") = "8"
    & skf18("8","4","9","7","8","7","1") = "8"
    & skf18("8","4","9","7","8","8","1") = "8"
    & skf18("8","4","9","7","8","9","1") = "8"
    & skf18("8","4","9","7","8","10","1") = "9"
    & skf18("8","4","9","7","9","1","1") = "8"
    & skf18("8","4","9","7","9","2","1") = "8"
    & skf18("8","4","9","7","9","3","1") = "8"
    & skf18("8","4","9","7","9","4","1") = "8"
    & skf18("8","4","9","7","9","5","1") = "8"
    & skf18("8","4","9","7","9","6","1") = "8"
    & skf18("8","4","9","7","9","7","1") = "8"
    & skf18("8","4","9","7","9","8","1") = "8"
    & skf18("8","4","9","7","9","9","1") = "8"
    & skf18("8","4","9","7","9","10","1") = "9"
    & skf18("8","4","9","7","10","1","1") = "9"
    & skf18("8","4","9","7","10","2","1") = "9"
    & skf18("8","4","9","7","10","3","1") = "9"
    & skf18("8","4","9","7","10","4","1") = "9"
    & skf18("8","4","9","7","10","5","1") = "9"
    & skf18("8","4","9","7","10","6","1") = "9"
    & skf18("8","4","9","7","10","7","1") = "9"
    & skf18("8","4","9","7","10","8","1") = "9"
    & skf18("8","4","9","7","10","9","1") = "9"
    & skf18("8","4","9","7","10","10","1") = "9"
    & skf18("8","4","9","8","1","1","1") = "8"
    & skf18("8","4","9","8","1","2","1") = "8"
    & skf18("8","4","9","8","1","3","1") = "8"
    & skf18("8","4","9","8","1","4","1") = "8"
    & skf18("8","4","9","8","1","5","1") = "8"
    & skf18("8","4","9","8","1","6","1") = "8"
    & skf18("8","4","9","8","1","7","1") = "8"
    & skf18("8","4","9","8","1","8","1") = "8"
    & skf18("8","4","9","8","1","9","1") = "8"
    & skf18("8","4","9","8","1","10","1") = "9"
    & skf18("8","4","9","8","2","1","1") = "8"
    & skf18("8","4","9","8","2","2","1") = "8"
    & skf18("8","4","9","8","2","3","1") = "8"
    & skf18("8","4","9","8","2","4","1") = "8"
    & skf18("8","4","9","8","2","5","1") = "8"
    & skf18("8","4","9","8","2","6","1") = "8"
    & skf18("8","4","9","8","2","7","1") = "8"
    & skf18("8","4","9","8","2","8","1") = "8"
    & skf18("8","4","9","8","2","9","1") = "8"
    & skf18("8","4","9","8","2","10","1") = "9"
    & skf18("8","4","9","8","3","1","1") = "8"
    & skf18("8","4","9","8","3","2","1") = "8"
    & skf18("8","4","9","8","3","3","1") = "8"
    & skf18("8","4","9","8","3","4","1") = "8"
    & skf18("8","4","9","8","3","5","1") = "8"
    & skf18("8","4","9","8","3","6","1") = "8"
    & skf18("8","4","9","8","3","7","1") = "8"
    & skf18("8","4","9","8","3","8","1") = "8"
    & skf18("8","4","9","8","3","9","1") = "8"
    & skf18("8","4","9","8","3","10","1") = "9"
    & skf18("8","4","9","8","4","1","1") = "8"
    & skf18("8","4","9","8","4","2","1") = "8"
    & skf18("8","4","9","8","4","3","1") = "8"
    & skf18("8","4","9","8","4","4","1") = "8"
    & skf18("8","4","9","8","4","5","1") = "8"
    & skf18("8","4","9","8","4","6","1") = "8"
    & skf18("8","4","9","8","4","7","1") = "8"
    & skf18("8","4","9","8","4","8","1") = "8"
    & skf18("8","4","9","8","4","9","1") = "8"
    & skf18("8","4","9","8","4","10","1") = "9"
    & skf18("8","4","9","8","5","1","1") = "8"
    & skf18("8","4","9","8","5","2","1") = "8"
    & skf18("8","4","9","8","5","3","1") = "8"
    & skf18("8","4","9","8","5","4","1") = "8"
    & skf18("8","4","9","8","5","5","1") = "8"
    & skf18("8","4","9","8","5","6","1") = "8"
    & skf18("8","4","9","8","5","7","1") = "8"
    & skf18("8","4","9","8","5","8","1") = "8"
    & skf18("8","4","9","8","5","9","1") = "8"
    & skf18("8","4","9","8","5","10","1") = "9"
    & skf18("8","4","9","8","6","1","1") = "8"
    & skf18("8","4","9","8","6","2","1") = "8"
    & skf18("8","4","9","8","6","3","1") = "8"
    & skf18("8","4","9","8","6","4","1") = "8"
    & skf18("8","4","9","8","6","5","1") = "8"
    & skf18("8","4","9","8","6","6","1") = "8"
    & skf18("8","4","9","8","6","7","1") = "8"
    & skf18("8","4","9","8","6","8","1") = "8"
    & skf18("8","4","9","8","6","9","1") = "8"
    & skf18("8","4","9","8","6","10","1") = "9"
    & skf18("8","4","9","8","7","1","1") = "8"
    & skf18("8","4","9","8","7","2","1") = "8"
    & skf18("8","4","9","8","7","3","1") = "8"
    & skf18("8","4","9","8","7","4","1") = "8"
    & skf18("8","4","9","8","7","5","1") = "8"
    & skf18("8","4","9","8","7","6","1") = "8"
    & skf18("8","4","9","8","7","7","1") = "8"
    & skf18("8","4","9","8","7","8","1") = "8"
    & skf18("8","4","9","8","7","9","1") = "8"
    & skf18("8","4","9","8","7","10","1") = "9"
    & skf18("8","4","9","8","8","1","1") = "8"
    & skf18("8","4","9","8","8","2","1") = "8"
    & skf18("8","4","9","8","8","3","1") = "8"
    & skf18("8","4","9","8","8","4","1") = "8"
    & skf18("8","4","9","8","8","5","1") = "8"
    & skf18("8","4","9","8","8","6","1") = "8"
    & skf18("8","4","9","8","8","7","1") = "8"
    & skf18("8","4","9","8","8","8","1") = "8"
    & skf18("8","4","9","8","8","9","1") = "8"
    & skf18("8","4","9","8","8","10","1") = "9"
    & skf18("8","4","9","8","9","1","1") = "8"
    & skf18("8","4","9","8","9","2","1") = "8"
    & skf18("8","4","9","8","9","3","1") = "8"
    & skf18("8","4","9","8","9","4","1") = "8"
    & skf18("8","4","9","8","9","5","1") = "8"
    & skf18("8","4","9","8","9","6","1") = "8"
    & skf18("8","4","9","8","9","7","1") = "8"
    & skf18("8","4","9","8","9","8","1") = "8"
    & skf18("8","4","9","8","9","9","1") = "8"
    & skf18("8","4","9","8","9","10","1") = "9"
    & skf18("8","4","9","8","10","1","1") = "9"
    & skf18("8","4","9","8","10","2","1") = "9"
    & skf18("8","4","9","8","10","3","1") = "9"
    & skf18("8","4","9","8","10","4","1") = "9"
    & skf18("8","4","9","8","10","5","1") = "9"
    & skf18("8","4","9","8","10","6","1") = "9"
    & skf18("8","4","9","8","10","7","1") = "9"
    & skf18("8","4","9","8","10","8","1") = "9"
    & skf18("8","4","9","8","10","9","1") = "9"
    & skf18("8","4","9","8","10","10","1") = "9"
    & skf18("8","4","9","9","1","1","1") = "8"
    & skf18("8","4","9","9","1","2","1") = "8"
    & skf18("8","4","9","9","1","3","1") = "8"
    & skf18("8","4","9","9","1","4","1") = "8"
    & skf18("8","4","9","9","1","5","1") = "8"
    & skf18("8","4","9","9","1","6","1") = "8"
    & skf18("8","4","9","9","1","7","1") = "8"
    & skf18("8","4","9","9","1","8","1") = "8"
    & skf18("8","4","9","9","1","9","1") = "8"
    & skf18("8","4","9","9","1","10","1") = "9"
    & skf18("8","4","9","9","2","1","1") = "8"
    & skf18("8","4","9","9","2","2","1") = "8"
    & skf18("8","4","9","9","2","3","1") = "8"
    & skf18("8","4","9","9","2","4","1") = "8"
    & skf18("8","4","9","9","2","5","1") = "8"
    & skf18("8","4","9","9","2","6","1") = "8"
    & skf18("8","4","9","9","2","7","1") = "8"
    & skf18("8","4","9","9","2","8","1") = "8"
    & skf18("8","4","9","9","2","9","1") = "8"
    & skf18("8","4","9","9","2","10","1") = "9"
    & skf18("8","4","9","9","3","1","1") = "8"
    & skf18("8","4","9","9","3","2","1") = "8"
    & skf18("8","4","9","9","3","3","1") = "8"
    & skf18("8","4","9","9","3","4","1") = "8"
    & skf18("8","4","9","9","3","5","1") = "8"
    & skf18("8","4","9","9","3","6","1") = "8"
    & skf18("8","4","9","9","3","7","1") = "8"
    & skf18("8","4","9","9","3","8","1") = "8"
    & skf18("8","4","9","9","3","9","1") = "8"
    & skf18("8","4","9","9","3","10","1") = "9"
    & skf18("8","4","9","9","4","1","1") = "8"
    & skf18("8","4","9","9","4","2","1") = "8"
    & skf18("8","4","9","9","4","3","1") = "8"
    & skf18("8","4","9","9","4","4","1") = "8"
    & skf18("8","4","9","9","4","5","1") = "8"
    & skf18("8","4","9","9","4","6","1") = "8"
    & skf18("8","4","9","9","4","7","1") = "8"
    & skf18("8","4","9","9","4","8","1") = "8"
    & skf18("8","4","9","9","4","9","1") = "8"
    & skf18("8","4","9","9","4","10","1") = "9"
    & skf18("8","4","9","9","5","1","1") = "8"
    & skf18("8","4","9","9","5","2","1") = "8"
    & skf18("8","4","9","9","5","3","1") = "8"
    & skf18("8","4","9","9","5","4","1") = "8"
    & skf18("8","4","9","9","5","5","1") = "8"
    & skf18("8","4","9","9","5","6","1") = "8"
    & skf18("8","4","9","9","5","7","1") = "8"
    & skf18("8","4","9","9","5","8","1") = "8"
    & skf18("8","4","9","9","5","9","1") = "8"
    & skf18("8","4","9","9","5","10","1") = "9"
    & skf18("8","4","9","9","6","1","1") = "8"
    & skf18("8","4","9","9","6","2","1") = "8"
    & skf18("8","4","9","9","6","3","1") = "8"
    & skf18("8","4","9","9","6","4","1") = "8"
    & skf18("8","4","9","9","6","5","1") = "8"
    & skf18("8","4","9","9","6","6","1") = "8"
    & skf18("8","4","9","9","6","7","1") = "8"
    & skf18("8","4","9","9","6","8","1") = "8"
    & skf18("8","4","9","9","6","9","1") = "8"
    & skf18("8","4","9","9","6","10","1") = "9"
    & skf18("8","4","9","9","7","1","1") = "8"
    & skf18("8","4","9","9","7","2","1") = "8"
    & skf18("8","4","9","9","7","3","1") = "8"
    & skf18("8","4","9","9","7","4","1") = "8"
    & skf18("8","4","9","9","7","5","1") = "8"
    & skf18("8","4","9","9","7","6","1") = "8"
    & skf18("8","4","9","9","7","7","1") = "8"
    & skf18("8","4","9","9","7","8","1") = "8"
    & skf18("8","4","9","9","7","9","1") = "8"
    & skf18("8","4","9","9","7","10","1") = "9"
    & skf18("8","4","9","9","8","1","1") = "8"
    & skf18("8","4","9","9","8","2","1") = "8"
    & skf18("8","4","9","9","8","3","1") = "8"
    & skf18("8","4","9","9","8","4","1") = "8"
    & skf18("8","4","9","9","8","5","1") = "8"
    & skf18("8","4","9","9","8","6","1") = "8"
    & skf18("8","4","9","9","8","7","1") = "8"
    & skf18("8","4","9","9","8","8","1") = "8"
    & skf18("8","4","9","9","8","9","1") = "8"
    & skf18("8","4","9","9","8","10","1") = "9"
    & skf18("8","4","9","9","9","1","1") = "8"
    & skf18("8","4","9","9","9","2","1") = "8"
    & skf18("8","4","9","9","9","3","1") = "8"
    & skf18("8","4","9","9","9","4","1") = "8"
    & skf18("8","4","9","9","9","5","1") = "8"
    & skf18("8","4","9","9","9","6","1") = "8"
    & skf18("8","4","9","9","9","7","1") = "8"
    & skf18("8","4","9","9","9","8","1") = "8"
    & skf18("8","4","9","9","9","9","1") = "8"
    & skf18("8","4","9","9","9","10","1") = "9"
    & skf18("8","4","9","9","10","1","1") = "9"
    & skf18("8","4","9","9","10","2","1") = "9"
    & skf18("8","4","9","9","10","3","1") = "9"
    & skf18("8","4","9","9","10","4","1") = "9"
    & skf18("8","4","9","9","10","5","1") = "9"
    & skf18("8","4","9","9","10","6","1") = "9"
    & skf18("8","4","9","9","10","7","1") = "9"
    & skf18("8","4","9","9","10","8","1") = "9"
    & skf18("8","4","9","9","10","9","1") = "9"
    & skf18("8","4","9","9","10","10","1") = "9"
    & skf18("8","4","9","10","1","1","1") = "9"
    & skf18("8","4","9","10","1","2","1") = "9"
    & skf18("8","4","9","10","1","3","1") = "9"
    & skf18("8","4","9","10","1","4","1") = "9"
    & skf18("8","4","9","10","1","5","1") = "9"
    & skf18("8","4","9","10","1","6","1") = "9"
    & skf18("8","4","9","10","1","7","1") = "9"
    & skf18("8","4","9","10","1","8","1") = "9"
    & skf18("8","4","9","10","1","9","1") = "9"
    & skf18("8","4","9","10","1","10","1") = "9"
    & skf18("8","4","9","10","2","1","1") = "9"
    & skf18("8","4","9","10","2","2","1") = "9"
    & skf18("8","4","9","10","2","3","1") = "9"
    & skf18("8","4","9","10","2","4","1") = "9"
    & skf18("8","4","9","10","2","5","1") = "9"
    & skf18("8","4","9","10","2","6","1") = "9"
    & skf18("8","4","9","10","2","7","1") = "9"
    & skf18("8","4","9","10","2","8","1") = "9"
    & skf18("8","4","9","10","2","9","1") = "9"
    & skf18("8","4","9","10","2","10","1") = "9"
    & skf18("8","4","9","10","3","1","1") = "9"
    & skf18("8","4","9","10","3","2","1") = "9"
    & skf18("8","4","9","10","3","3","1") = "9"
    & skf18("8","4","9","10","3","4","1") = "9"
    & skf18("8","4","9","10","3","5","1") = "9"
    & skf18("8","4","9","10","3","6","1") = "9"
    & skf18("8","4","9","10","3","7","1") = "9"
    & skf18("8","4","9","10","3","8","1") = "9"
    & skf18("8","4","9","10","3","9","1") = "9"
    & skf18("8","4","9","10","3","10","1") = "9"
    & skf18("8","4","9","10","4","1","1") = "9"
    & skf18("8","4","9","10","4","2","1") = "9"
    & skf18("8","4","9","10","4","3","1") = "9"
    & skf18("8","4","9","10","4","4","1") = "9"
    & skf18("8","4","9","10","4","5","1") = "9"
    & skf18("8","4","9","10","4","6","1") = "9"
    & skf18("8","4","9","10","4","7","1") = "9"
    & skf18("8","4","9","10","4","8","1") = "9"
    & skf18("8","4","9","10","4","9","1") = "9"
    & skf18("8","4","9","10","4","10","1") = "9"
    & skf18("8","4","9","10","5","1","1") = "9"
    & skf18("8","4","9","10","5","2","1") = "9"
    & skf18("8","4","9","10","5","3","1") = "9"
    & skf18("8","4","9","10","5","4","1") = "9"
    & skf18("8","4","9","10","5","5","1") = "9"
    & skf18("8","4","9","10","5","6","1") = "9"
    & skf18("8","4","9","10","5","7","1") = "9"
    & skf18("8","4","9","10","5","8","1") = "9"
    & skf18("8","4","9","10","5","9","1") = "9"
    & skf18("8","4","9","10","5","10","1") = "9"
    & skf18("8","4","9","10","6","1","1") = "9"
    & skf18("8","4","9","10","6","2","1") = "9"
    & skf18("8","4","9","10","6","3","1") = "9"
    & skf18("8","4","9","10","6","4","1") = "9"
    & skf18("8","4","9","10","6","5","1") = "9"
    & skf18("8","4","9","10","6","6","1") = "9"
    & skf18("8","4","9","10","6","7","1") = "9"
    & skf18("8","4","9","10","6","8","1") = "9"
    & skf18("8","4","9","10","6","9","1") = "9"
    & skf18("8","4","9","10","6","10","1") = "9"
    & skf18("8","4","9","10","7","1","1") = "9"
    & skf18("8","4","9","10","7","2","1") = "9"
    & skf18("8","4","9","10","7","3","1") = "9"
    & skf18("8","4","9","10","7","4","1") = "9"
    & skf18("8","4","9","10","7","5","1") = "9"
    & skf18("8","4","9","10","7","6","1") = "9"
    & skf18("8","4","9","10","7","7","1") = "9"
    & skf18("8","4","9","10","7","8","1") = "9"
    & skf18("8","4","9","10","7","9","1") = "9"
    & skf18("8","4","9","10","7","10","1") = "9"
    & skf18("8","4","9","10","8","1","1") = "9"
    & skf18("8","4","9","10","8","2","1") = "9"
    & skf18("8","4","9","10","8","3","1") = "9"
    & skf18("8","4","9","10","8","4","1") = "9"
    & skf18("8","4","9","10","8","5","1") = "9"
    & skf18("8","4","9","10","8","6","1") = "9"
    & skf18("8","4","9","10","8","7","1") = "9"
    & skf18("8","4","9","10","8","8","1") = "9"
    & skf18("8","4","9","10","8","9","1") = "9"
    & skf18("8","4","9","10","8","10","1") = "9"
    & skf18("8","4","9","10","9","1","1") = "9"
    & skf18("8","4","9","10","9","2","1") = "9"
    & skf18("8","4","9","10","9","3","1") = "9"
    & skf18("8","4","9","10","9","4","1") = "9"
    & skf18("8","4","9","10","9","5","1") = "9"
    & skf18("8","4","9","10","9","6","1") = "9"
    & skf18("8","4","9","10","9","7","1") = "9"
    & skf18("8","4","9","10","9","8","1") = "9"
    & skf18("8","4","9","10","9","9","1") = "9"
    & skf18("8","4","9","10","9","10","1") = "9"
    & skf18("8","4","9","10","10","1","1") = "9"
    & skf18("8","4","9","10","10","2","1") = "9"
    & skf18("8","4","9","10","10","3","1") = "9"
    & skf18("8","4","9","10","10","4","1") = "9"
    & skf18("8","4","9","10","10","5","1") = "9"
    & skf18("8","4","9","10","10","6","1") = "9"
    & skf18("8","4","9","10","10","7","1") = "9"
    & skf18("8","4","9","10","10","8","1") = "9"
    & skf18("8","4","9","10","10","9","1") = "9"
    & skf18("8","4","9","10","10","10","1") = "9"
    & skf18("8","4","10","1","1","1","1") = "9"
    & skf18("8","4","10","1","1","2","1") = "9"
    & skf18("8","4","10","1","1","3","1") = "9"
    & skf18("8","4","10","1","1","4","1") = "9"
    & skf18("8","4","10","1","1","5","1") = "9"
    & skf18("8","4","10","1","1","6","1") = "9"
    & skf18("8","4","10","1","1","7","1") = "9"
    & skf18("8","4","10","1","1","8","1") = "9"
    & skf18("8","4","10","1","1","9","1") = "9"
    & skf18("8","4","10","1","1","10","1") = "9"
    & skf18("8","4","10","1","2","1","1") = "9"
    & skf18("8","4","10","1","2","2","1") = "9"
    & skf18("8","4","10","1","2","3","1") = "9"
    & skf18("8","4","10","1","2","4","1") = "9"
    & skf18("8","4","10","1","2","5","1") = "9"
    & skf18("8","4","10","1","2","6","1") = "9"
    & skf18("8","4","10","1","2","7","1") = "9"
    & skf18("8","4","10","1","2","8","1") = "9"
    & skf18("8","4","10","1","2","9","1") = "9"
    & skf18("8","4","10","1","2","10","1") = "9"
    & skf18("8","4","10","1","3","1","1") = "9"
    & skf18("8","4","10","1","3","2","1") = "9"
    & skf18("8","4","10","1","3","3","1") = "9"
    & skf18("8","4","10","1","3","4","1") = "9"
    & skf18("8","4","10","1","3","5","1") = "9"
    & skf18("8","4","10","1","3","6","1") = "9"
    & skf18("8","4","10","1","3","7","1") = "9"
    & skf18("8","4","10","1","3","8","1") = "9"
    & skf18("8","4","10","1","3","9","1") = "9"
    & skf18("8","4","10","1","3","10","1") = "9"
    & skf18("8","4","10","1","4","1","1") = "9"
    & skf18("8","4","10","1","4","2","1") = "9"
    & skf18("8","4","10","1","4","3","1") = "9"
    & skf18("8","4","10","1","4","4","1") = "9"
    & skf18("8","4","10","1","4","5","1") = "9"
    & skf18("8","4","10","1","4","6","1") = "9"
    & skf18("8","4","10","1","4","7","1") = "9"
    & skf18("8","4","10","1","4","8","1") = "9"
    & skf18("8","4","10","1","4","9","1") = "9"
    & skf18("8","4","10","1","4","10","1") = "9"
    & skf18("8","4","10","1","5","1","1") = "9"
    & skf18("8","4","10","1","5","2","1") = "9"
    & skf18("8","4","10","1","5","3","1") = "9"
    & skf18("8","4","10","1","5","4","1") = "9"
    & skf18("8","4","10","1","5","5","1") = "9"
    & skf18("8","4","10","1","5","6","1") = "9"
    & skf18("8","4","10","1","5","7","1") = "9"
    & skf18("8","4","10","1","5","8","1") = "9"
    & skf18("8","4","10","1","5","9","1") = "9"
    & skf18("8","4","10","1","5","10","1") = "9"
    & skf18("8","4","10","1","6","1","1") = "9"
    & skf18("8","4","10","1","6","2","1") = "9"
    & skf18("8","4","10","1","6","3","1") = "9"
    & skf18("8","4","10","1","6","4","1") = "9"
    & skf18("8","4","10","1","6","5","1") = "9"
    & skf18("8","4","10","1","6","6","1") = "9"
    & skf18("8","4","10","1","6","7","1") = "9"
    & skf18("8","4","10","1","6","8","1") = "9"
    & skf18("8","4","10","1","6","9","1") = "9"
    & skf18("8","4","10","1","6","10","1") = "9"
    & skf18("8","4","10","1","7","1","1") = "9"
    & skf18("8","4","10","1","7","2","1") = "9"
    & skf18("8","4","10","1","7","3","1") = "9"
    & skf18("8","4","10","1","7","4","1") = "9"
    & skf18("8","4","10","1","7","5","1") = "9"
    & skf18("8","4","10","1","7","6","1") = "9"
    & skf18("8","4","10","1","7","7","1") = "9"
    & skf18("8","4","10","1","7","8","1") = "9"
    & skf18("8","4","10","1","7","9","1") = "9"
    & skf18("8","4","10","1","7","10","1") = "9"
    & skf18("8","4","10","1","8","1","1") = "9"
    & skf18("8","4","10","1","8","2","1") = "9"
    & skf18("8","4","10","1","8","3","1") = "9"
    & skf18("8","4","10","1","8","4","1") = "9"
    & skf18("8","4","10","1","8","5","1") = "9"
    & skf18("8","4","10","1","8","6","1") = "9"
    & skf18("8","4","10","1","8","7","1") = "9"
    & skf18("8","4","10","1","8","8","1") = "9"
    & skf18("8","4","10","1","8","9","1") = "9"
    & skf18("8","4","10","1","8","10","1") = "9"
    & skf18("8","4","10","1","9","1","1") = "9"
    & skf18("8","4","10","1","9","2","1") = "9"
    & skf18("8","4","10","1","9","3","1") = "9"
    & skf18("8","4","10","1","9","4","1") = "9"
    & skf18("8","4","10","1","9","5","1") = "9"
    & skf18("8","4","10","1","9","6","1") = "9"
    & skf18("8","4","10","1","9","7","1") = "9"
    & skf18("8","4","10","1","9","8","1") = "9"
    & skf18("8","4","10","1","9","9","1") = "9"
    & skf18("8","4","10","1","9","10","1") = "9"
    & skf18("8","4","10","1","10","1","1") = "9"
    & skf18("8","4","10","1","10","2","1") = "9"
    & skf18("8","4","10","1","10","3","1") = "9"
    & skf18("8","4","10","1","10","4","1") = "9"
    & skf18("8","4","10","1","10","5","1") = "9"
    & skf18("8","4","10","1","10","6","1") = "9"
    & skf18("8","4","10","1","10","7","1") = "9"
    & skf18("8","4","10","1","10","8","1") = "9"
    & skf18("8","4","10","1","10","9","1") = "9"
    & skf18("8","4","10","1","10","10","1") = "9"
    & skf18("8","4","10","2","1","1","1") = "9"
    & skf18("8","4","10","2","1","2","1") = "9"
    & skf18("8","4","10","2","1","3","1") = "9"
    & skf18("8","4","10","2","1","4","1") = "9"
    & skf18("8","4","10","2","1","5","1") = "9"
    & skf18("8","4","10","2","1","6","1") = "9"
    & skf18("8","4","10","2","1","7","1") = "9"
    & skf18("8","4","10","2","1","8","1") = "9"
    & skf18("8","4","10","2","1","9","1") = "9"
    & skf18("8","4","10","2","1","10","1") = "9"
    & skf18("8","4","10","2","2","1","1") = "9"
    & skf18("8","4","10","2","2","2","1") = "9"
    & skf18("8","4","10","2","2","3","1") = "9"
    & skf18("8","4","10","2","2","4","1") = "9"
    & skf18("8","4","10","2","2","5","1") = "9"
    & skf18("8","4","10","2","2","6","1") = "9"
    & skf18("8","4","10","2","2","7","1") = "9"
    & skf18("8","4","10","2","2","8","1") = "9"
    & skf18("8","4","10","2","2","9","1") = "9"
    & skf18("8","4","10","2","2","10","1") = "9"
    & skf18("8","4","10","2","3","1","1") = "9"
    & skf18("8","4","10","2","3","2","1") = "9"
    & skf18("8","4","10","2","3","3","1") = "9"
    & skf18("8","4","10","2","3","4","1") = "9"
    & skf18("8","4","10","2","3","5","1") = "9"
    & skf18("8","4","10","2","3","6","1") = "9"
    & skf18("8","4","10","2","3","7","1") = "9"
    & skf18("8","4","10","2","3","8","1") = "9"
    & skf18("8","4","10","2","3","9","1") = "9"
    & skf18("8","4","10","2","3","10","1") = "9"
    & skf18("8","4","10","2","4","1","1") = "9"
    & skf18("8","4","10","2","4","2","1") = "9"
    & skf18("8","4","10","2","4","3","1") = "9"
    & skf18("8","4","10","2","4","4","1") = "9"
    & skf18("8","4","10","2","4","5","1") = "9"
    & skf18("8","4","10","2","4","6","1") = "9"
    & skf18("8","4","10","2","4","7","1") = "9"
    & skf18("8","4","10","2","4","8","1") = "9"
    & skf18("8","4","10","2","4","9","1") = "9"
    & skf18("8","4","10","2","4","10","1") = "9"
    & skf18("8","4","10","2","5","1","1") = "9"
    & skf18("8","4","10","2","5","2","1") = "9"
    & skf18("8","4","10","2","5","3","1") = "9"
    & skf18("8","4","10","2","5","4","1") = "9"
    & skf18("8","4","10","2","5","5","1") = "9"
    & skf18("8","4","10","2","5","6","1") = "9"
    & skf18("8","4","10","2","5","7","1") = "9"
    & skf18("8","4","10","2","5","8","1") = "9"
    & skf18("8","4","10","2","5","9","1") = "9"
    & skf18("8","4","10","2","5","10","1") = "9"
    & skf18("8","4","10","2","6","1","1") = "9"
    & skf18("8","4","10","2","6","2","1") = "9"
    & skf18("8","4","10","2","6","3","1") = "9"
    & skf18("8","4","10","2","6","4","1") = "9"
    & skf18("8","4","10","2","6","5","1") = "9"
    & skf18("8","4","10","2","6","6","1") = "9"
    & skf18("8","4","10","2","6","7","1") = "9"
    & skf18("8","4","10","2","6","8","1") = "9"
    & skf18("8","4","10","2","6","9","1") = "9"
    & skf18("8","4","10","2","6","10","1") = "9"
    & skf18("8","4","10","2","7","1","1") = "9"
    & skf18("8","4","10","2","7","2","1") = "9"
    & skf18("8","4","10","2","7","3","1") = "9"
    & skf18("8","4","10","2","7","4","1") = "9"
    & skf18("8","4","10","2","7","5","1") = "9"
    & skf18("8","4","10","2","7","6","1") = "9"
    & skf18("8","4","10","2","7","7","1") = "9"
    & skf18("8","4","10","2","7","8","1") = "9"
    & skf18("8","4","10","2","7","9","1") = "9"
    & skf18("8","4","10","2","7","10","1") = "9"
    & skf18("8","4","10","2","8","1","1") = "9"
    & skf18("8","4","10","2","8","2","1") = "9"
    & skf18("8","4","10","2","8","3","1") = "9"
    & skf18("8","4","10","2","8","4","1") = "9"
    & skf18("8","4","10","2","8","5","1") = "9"
    & skf18("8","4","10","2","8","6","1") = "9"
    & skf18("8","4","10","2","8","7","1") = "9"
    & skf18("8","4","10","2","8","8","1") = "9"
    & skf18("8","4","10","2","8","9","1") = "9"
    & skf18("8","4","10","2","8","10","1") = "9"
    & skf18("8","4","10","2","9","1","1") = "9"
    & skf18("8","4","10","2","9","2","1") = "9"
    & skf18("8","4","10","2","9","3","1") = "9"
    & skf18("8","4","10","2","9","4","1") = "9"
    & skf18("8","4","10","2","9","5","1") = "9"
    & skf18("8","4","10","2","9","6","1") = "9"
    & skf18("8","4","10","2","9","7","1") = "9"
    & skf18("8","4","10","2","9","8","1") = "9"
    & skf18("8","4","10","2","9","9","1") = "9"
    & skf18("8","4","10","2","9","10","1") = "9"
    & skf18("8","4","10","2","10","1","1") = "9"
    & skf18("8","4","10","2","10","2","1") = "9"
    & skf18("8","4","10","2","10","3","1") = "9"
    & skf18("8","4","10","2","10","4","1") = "9"
    & skf18("8","4","10","2","10","5","1") = "9"
    & skf18("8","4","10","2","10","6","1") = "9"
    & skf18("8","4","10","2","10","7","1") = "9"
    & skf18("8","4","10","2","10","8","1") = "9"
    & skf18("8","4","10","2","10","9","1") = "9"
    & skf18("8","4","10","2","10","10","1") = "9"
    & skf18("8","4","10","3","1","1","1") = "9"
    & skf18("8","4","10","3","1","2","1") = "9"
    & skf18("8","4","10","3","1","3","1") = "9"
    & skf18("8","4","10","3","1","4","1") = "9"
    & skf18("8","4","10","3","1","5","1") = "9"
    & skf18("8","4","10","3","1","6","1") = "9"
    & skf18("8","4","10","3","1","7","1") = "9"
    & skf18("8","4","10","3","1","8","1") = "9"
    & skf18("8","4","10","3","1","9","1") = "9"
    & skf18("8","4","10","3","1","10","1") = "9"
    & skf18("8","4","10","3","2","1","1") = "9"
    & skf18("8","4","10","3","2","2","1") = "9"
    & skf18("8","4","10","3","2","3","1") = "9"
    & skf18("8","4","10","3","2","4","1") = "9"
    & skf18("8","4","10","3","2","5","1") = "9"
    & skf18("8","4","10","3","2","6","1") = "9"
    & skf18("8","4","10","3","2","7","1") = "9"
    & skf18("8","4","10","3","2","8","1") = "9"
    & skf18("8","4","10","3","2","9","1") = "9"
    & skf18("8","4","10","3","2","10","1") = "9"
    & skf18("8","4","10","3","3","1","1") = "9"
    & skf18("8","4","10","3","3","2","1") = "9"
    & skf18("8","4","10","3","3","3","1") = "9"
    & skf18("8","4","10","3","3","4","1") = "9"
    & skf18("8","4","10","3","3","5","1") = "9"
    & skf18("8","4","10","3","3","6","1") = "9"
    & skf18("8","4","10","3","3","7","1") = "9"
    & skf18("8","4","10","3","3","8","1") = "9"
    & skf18("8","4","10","3","3","9","1") = "9"
    & skf18("8","4","10","3","3","10","1") = "9"
    & skf18("8","4","10","3","4","1","1") = "9"
    & skf18("8","4","10","3","4","2","1") = "9"
    & skf18("8","4","10","3","4","3","1") = "9"
    & skf18("8","4","10","3","4","4","1") = "9"
    & skf18("8","4","10","3","4","5","1") = "9"
    & skf18("8","4","10","3","4","6","1") = "9"
    & skf18("8","4","10","3","4","7","1") = "9"
    & skf18("8","4","10","3","4","8","1") = "9"
    & skf18("8","4","10","3","4","9","1") = "9"
    & skf18("8","4","10","3","4","10","1") = "9"
    & skf18("8","4","10","3","5","1","1") = "9"
    & skf18("8","4","10","3","5","2","1") = "9"
    & skf18("8","4","10","3","5","3","1") = "9"
    & skf18("8","4","10","3","5","4","1") = "9"
    & skf18("8","4","10","3","5","5","1") = "9"
    & skf18("8","4","10","3","5","6","1") = "9"
    & skf18("8","4","10","3","5","7","1") = "9"
    & skf18("8","4","10","3","5","8","1") = "9"
    & skf18("8","4","10","3","5","9","1") = "9"
    & skf18("8","4","10","3","5","10","1") = "9"
    & skf18("8","4","10","3","6","1","1") = "9"
    & skf18("8","4","10","3","6","2","1") = "9"
    & skf18("8","4","10","3","6","3","1") = "9"
    & skf18("8","4","10","3","6","4","1") = "9"
    & skf18("8","4","10","3","6","5","1") = "9"
    & skf18("8","4","10","3","6","6","1") = "9"
    & skf18("8","4","10","3","6","7","1") = "9"
    & skf18("8","4","10","3","6","8","1") = "9"
    & skf18("8","4","10","3","6","9","1") = "9"
    & skf18("8","4","10","3","6","10","1") = "9"
    & skf18("8","4","10","3","7","1","1") = "9"
    & skf18("8","4","10","3","7","2","1") = "9"
    & skf18("8","4","10","3","7","3","1") = "9"
    & skf18("8","4","10","3","7","4","1") = "9"
    & skf18("8","4","10","3","7","5","1") = "9"
    & skf18("8","4","10","3","7","6","1") = "9"
    & skf18("8","4","10","3","7","7","1") = "9"
    & skf18("8","4","10","3","7","8","1") = "9"
    & skf18("8","4","10","3","7","9","1") = "9"
    & skf18("8","4","10","3","7","10","1") = "9"
    & skf18("8","4","10","3","8","1","1") = "9"
    & skf18("8","4","10","3","8","2","1") = "9"
    & skf18("8","4","10","3","8","3","1") = "9"
    & skf18("8","4","10","3","8","4","1") = "9"
    & skf18("8","4","10","3","8","5","1") = "9"
    & skf18("8","4","10","3","8","6","1") = "9"
    & skf18("8","4","10","3","8","7","1") = "9"
    & skf18("8","4","10","3","8","8","1") = "9"
    & skf18("8","4","10","3","8","9","1") = "9"
    & skf18("8","4","10","3","8","10","1") = "9"
    & skf18("8","4","10","3","9","1","1") = "9"
    & skf18("8","4","10","3","9","2","1") = "9"
    & skf18("8","4","10","3","9","3","1") = "9"
    & skf18("8","4","10","3","9","4","1") = "9"
    & skf18("8","4","10","3","9","5","1") = "9"
    & skf18("8","4","10","3","9","6","1") = "9"
    & skf18("8","4","10","3","9","7","1") = "9"
    & skf18("8","4","10","3","9","8","1") = "9"
    & skf18("8","4","10","3","9","9","1") = "9"
    & skf18("8","4","10","3","9","10","1") = "9"
    & skf18("8","4","10","3","10","1","1") = "9"
    & skf18("8","4","10","3","10","2","1") = "9"
    & skf18("8","4","10","3","10","3","1") = "9"
    & skf18("8","4","10","3","10","4","1") = "9"
    & skf18("8","4","10","3","10","5","1") = "9"
    & skf18("8","4","10","3","10","6","1") = "9"
    & skf18("8","4","10","3","10","7","1") = "9"
    & skf18("8","4","10","3","10","8","1") = "9"
    & skf18("8","4","10","3","10","9","1") = "9"
    & skf18("8","4","10","3","10","10","1") = "9"
    & skf18("8","4","10","4","1","1","1") = "9"
    & skf18("8","4","10","4","1","2","1") = "9"
    & skf18("8","4","10","4","1","3","1") = "9"
    & skf18("8","4","10","4","1","4","1") = "9"
    & skf18("8","4","10","4","1","5","1") = "9"
    & skf18("8","4","10","4","1","6","1") = "9"
    & skf18("8","4","10","4","1","7","1") = "9"
    & skf18("8","4","10","4","1","8","1") = "9"
    & skf18("8","4","10","4","1","9","1") = "9"
    & skf18("8","4","10","4","1","10","1") = "9"
    & skf18("8","4","10","4","2","1","1") = "9"
    & skf18("8","4","10","4","2","2","1") = "9"
    & skf18("8","4","10","4","2","3","1") = "9"
    & skf18("8","4","10","4","2","4","1") = "9"
    & skf18("8","4","10","4","2","5","1") = "9"
    & skf18("8","4","10","4","2","6","1") = "9"
    & skf18("8","4","10","4","2","7","1") = "9"
    & skf18("8","4","10","4","2","8","1") = "9"
    & skf18("8","4","10","4","2","9","1") = "9"
    & skf18("8","4","10","4","2","10","1") = "9"
    & skf18("8","4","10","4","3","1","1") = "9"
    & skf18("8","4","10","4","3","2","1") = "9"
    & skf18("8","4","10","4","3","3","1") = "9"
    & skf18("8","4","10","4","3","4","1") = "9"
    & skf18("8","4","10","4","3","5","1") = "9"
    & skf18("8","4","10","4","3","6","1") = "9"
    & skf18("8","4","10","4","3","7","1") = "9"
    & skf18("8","4","10","4","3","8","1") = "9"
    & skf18("8","4","10","4","3","9","1") = "9"
    & skf18("8","4","10","4","3","10","1") = "9"
    & skf18("8","4","10","4","4","1","1") = "9"
    & skf18("8","4","10","4","4","2","1") = "9"
    & skf18("8","4","10","4","4","3","1") = "9"
    & skf18("8","4","10","4","4","4","1") = "9"
    & skf18("8","4","10","4","4","5","1") = "9"
    & skf18("8","4","10","4","4","6","1") = "9"
    & skf18("8","4","10","4","4","7","1") = "9"
    & skf18("8","4","10","4","4","8","1") = "9"
    & skf18("8","4","10","4","4","9","1") = "9"
    & skf18("8","4","10","4","4","10","1") = "9"
    & skf18("8","4","10","4","5","1","1") = "9"
    & skf18("8","4","10","4","5","2","1") = "9"
    & skf18("8","4","10","4","5","3","1") = "9"
    & skf18("8","4","10","4","5","4","1") = "9"
    & skf18("8","4","10","4","5","5","1") = "9"
    & skf18("8","4","10","4","5","6","1") = "9"
    & skf18("8","4","10","4","5","7","1") = "9"
    & skf18("8","4","10","4","5","8","1") = "9"
    & skf18("8","4","10","4","5","9","1") = "9"
    & skf18("8","4","10","4","5","10","1") = "9"
    & skf18("8","4","10","4","6","1","1") = "9"
    & skf18("8","4","10","4","6","2","1") = "9"
    & skf18("8","4","10","4","6","3","1") = "9"
    & skf18("8","4","10","4","6","4","1") = "9"
    & skf18("8","4","10","4","6","5","1") = "9"
    & skf18("8","4","10","4","6","6","1") = "9"
    & skf18("8","4","10","4","6","7","1") = "9"
    & skf18("8","4","10","4","6","8","1") = "9"
    & skf18("8","4","10","4","6","9","1") = "9"
    & skf18("8","4","10","4","6","10","1") = "9"
    & skf18("8","4","10","4","7","1","1") = "9"
    & skf18("8","4","10","4","7","2","1") = "9"
    & skf18("8","4","10","4","7","3","1") = "9"
    & skf18("8","4","10","4","7","4","1") = "9"
    & skf18("8","4","10","4","7","5","1") = "9"
    & skf18("8","4","10","4","7","6","1") = "9"
    & skf18("8","4","10","4","7","7","1") = "9"
    & skf18("8","4","10","4","7","8","1") = "9"
    & skf18("8","4","10","4","7","9","1") = "9"
    & skf18("8","4","10","4","7","10","1") = "9"
    & skf18("8","4","10","4","8","1","1") = "9"
    & skf18("8","4","10","4","8","2","1") = "9"
    & skf18("8","4","10","4","8","3","1") = "9"
    & skf18("8","4","10","4","8","4","1") = "9"
    & skf18("8","4","10","4","8","5","1") = "9"
    & skf18("8","4","10","4","8","6","1") = "9"
    & skf18("8","4","10","4","8","7","1") = "9"
    & skf18("8","4","10","4","8","8","1") = "9"
    & skf18("8","4","10","4","8","9","1") = "9"
    & skf18("8","4","10","4","8","10","1") = "9"
    & skf18("8","4","10","4","9","1","1") = "9"
    & skf18("8","4","10","4","9","2","1") = "9"
    & skf18("8","4","10","4","9","3","1") = "9"
    & skf18("8","4","10","4","9","4","1") = "9"
    & skf18("8","4","10","4","9","5","1") = "9"
    & skf18("8","4","10","4","9","6","1") = "9"
    & skf18("8","4","10","4","9","7","1") = "9"
    & skf18("8","4","10","4","9","8","1") = "9"
    & skf18("8","4","10","4","9","9","1") = "9"
    & skf18("8","4","10","4","9","10","1") = "9"
    & skf18("8","4","10","4","10","1","1") = "9"
    & skf18("8","4","10","4","10","2","1") = "9"
    & skf18("8","4","10","4","10","3","1") = "9"
    & skf18("8","4","10","4","10","4","1") = "9"
    & skf18("8","4","10","4","10","5","1") = "9"
    & skf18("8","4","10","4","10","6","1") = "9"
    & skf18("8","4","10","4","10","7","1") = "9"
    & skf18("8","4","10","4","10","8","1") = "9"
    & skf18("8","4","10","4","10","9","1") = "9"
    & skf18("8","4","10","4","10","10","1") = "9"
    & skf18("8","4","10","5","1","1","1") = "9"
    & skf18("8","4","10","5","1","2","1") = "9"
    & skf18("8","4","10","5","1","3","1") = "9"
    & skf18("8","4","10","5","1","4","1") = "9"
    & skf18("8","4","10","5","1","5","1") = "9"
    & skf18("8","4","10","5","1","6","1") = "9"
    & skf18("8","4","10","5","1","7","1") = "9"
    & skf18("8","4","10","5","1","8","1") = "9"
    & skf18("8","4","10","5","1","9","1") = "9"
    & skf18("8","4","10","5","1","10","1") = "9"
    & skf18("8","4","10","5","2","1","1") = "9"
    & skf18("8","4","10","5","2","2","1") = "9"
    & skf18("8","4","10","5","2","3","1") = "9"
    & skf18("8","4","10","5","2","4","1") = "9"
    & skf18("8","4","10","5","2","5","1") = "9"
    & skf18("8","4","10","5","2","6","1") = "9"
    & skf18("8","4","10","5","2","7","1") = "9"
    & skf18("8","4","10","5","2","8","1") = "9"
    & skf18("8","4","10","5","2","9","1") = "9"
    & skf18("8","4","10","5","2","10","1") = "9"
    & skf18("8","4","10","5","3","1","1") = "9"
    & skf18("8","4","10","5","3","2","1") = "9"
    & skf18("8","4","10","5","3","3","1") = "9"
    & skf18("8","4","10","5","3","4","1") = "9"
    & skf18("8","4","10","5","3","5","1") = "9"
    & skf18("8","4","10","5","3","6","1") = "9"
    & skf18("8","4","10","5","3","7","1") = "9"
    & skf18("8","4","10","5","3","8","1") = "9"
    & skf18("8","4","10","5","3","9","1") = "9"
    & skf18("8","4","10","5","3","10","1") = "9"
    & skf18("8","4","10","5","4","1","1") = "9"
    & skf18("8","4","10","5","4","2","1") = "9"
    & skf18("8","4","10","5","4","3","1") = "9"
    & skf18("8","4","10","5","4","4","1") = "9"
    & skf18("8","4","10","5","4","5","1") = "9"
    & skf18("8","4","10","5","4","6","1") = "9"
    & skf18("8","4","10","5","4","7","1") = "9"
    & skf18("8","4","10","5","4","8","1") = "9"
    & skf18("8","4","10","5","4","9","1") = "9"
    & skf18("8","4","10","5","4","10","1") = "9"
    & skf18("8","4","10","5","5","1","1") = "9"
    & skf18("8","4","10","5","5","2","1") = "9"
    & skf18("8","4","10","5","5","3","1") = "9"
    & skf18("8","4","10","5","5","4","1") = "9"
    & skf18("8","4","10","5","5","5","1") = "9"
    & skf18("8","4","10","5","5","6","1") = "9"
    & skf18("8","4","10","5","5","7","1") = "9"
    & skf18("8","4","10","5","5","8","1") = "9"
    & skf18("8","4","10","5","5","9","1") = "9"
    & skf18("8","4","10","5","5","10","1") = "9"
    & skf18("8","4","10","5","6","1","1") = "9"
    & skf18("8","4","10","5","6","2","1") = "9"
    & skf18("8","4","10","5","6","3","1") = "9"
    & skf18("8","4","10","5","6","4","1") = "9"
    & skf18("8","4","10","5","6","5","1") = "9"
    & skf18("8","4","10","5","6","6","1") = "9"
    & skf18("8","4","10","5","6","7","1") = "9"
    & skf18("8","4","10","5","6","8","1") = "9"
    & skf18("8","4","10","5","6","9","1") = "9"
    & skf18("8","4","10","5","6","10","1") = "9"
    & skf18("8","4","10","5","7","1","1") = "9"
    & skf18("8","4","10","5","7","2","1") = "9"
    & skf18("8","4","10","5","7","3","1") = "9"
    & skf18("8","4","10","5","7","4","1") = "9"
    & skf18("8","4","10","5","7","5","1") = "9"
    & skf18("8","4","10","5","7","6","1") = "9"
    & skf18("8","4","10","5","7","7","1") = "9"
    & skf18("8","4","10","5","7","8","1") = "9"
    & skf18("8","4","10","5","7","9","1") = "9"
    & skf18("8","4","10","5","7","10","1") = "9"
    & skf18("8","4","10","5","8","1","1") = "9"
    & skf18("8","4","10","5","8","2","1") = "9"
    & skf18("8","4","10","5","8","3","1") = "9"
    & skf18("8","4","10","5","8","4","1") = "9"
    & skf18("8","4","10","5","8","5","1") = "9"
    & skf18("8","4","10","5","8","6","1") = "9"
    & skf18("8","4","10","5","8","7","1") = "9"
    & skf18("8","4","10","5","8","8","1") = "9"
    & skf18("8","4","10","5","8","9","1") = "9"
    & skf18("8","4","10","5","8","10","1") = "9"
    & skf18("8","4","10","5","9","1","1") = "9"
    & skf18("8","4","10","5","9","2","1") = "9"
    & skf18("8","4","10","5","9","3","1") = "9"
    & skf18("8","4","10","5","9","4","1") = "9"
    & skf18("8","4","10","5","9","5","1") = "9"
    & skf18("8","4","10","5","9","6","1") = "9"
    & skf18("8","4","10","5","9","7","1") = "9"
    & skf18("8","4","10","5","9","8","1") = "9"
    & skf18("8","4","10","5","9","9","1") = "9"
    & skf18("8","4","10","5","9","10","1") = "9"
    & skf18("8","4","10","5","10","1","1") = "9"
    & skf18("8","4","10","5","10","2","1") = "9"
    & skf18("8","4","10","5","10","3","1") = "9"
    & skf18("8","4","10","5","10","4","1") = "9"
    & skf18("8","4","10","5","10","5","1") = "9"
    & skf18("8","4","10","5","10","6","1") = "9"
    & skf18("8","4","10","5","10","7","1") = "9"
    & skf18("8","4","10","5","10","8","1") = "9"
    & skf18("8","4","10","5","10","9","1") = "9"
    & skf18("8","4","10","5","10","10","1") = "9"
    & skf18("8","4","10","6","1","1","1") = "9"
    & skf18("8","4","10","6","1","2","1") = "9"
    & skf18("8","4","10","6","1","3","1") = "9"
    & skf18("8","4","10","6","1","4","1") = "9"
    & skf18("8","4","10","6","1","5","1") = "9"
    & skf18("8","4","10","6","1","6","1") = "9"
    & skf18("8","4","10","6","1","7","1") = "9"
    & skf18("8","4","10","6","1","8","1") = "9"
    & skf18("8","4","10","6","1","9","1") = "9"
    & skf18("8","4","10","6","1","10","1") = "9"
    & skf18("8","4","10","6","2","1","1") = "9"
    & skf18("8","4","10","6","2","2","1") = "9"
    & skf18("8","4","10","6","2","3","1") = "9"
    & skf18("8","4","10","6","2","4","1") = "9"
    & skf18("8","4","10","6","2","5","1") = "9"
    & skf18("8","4","10","6","2","6","1") = "9"
    & skf18("8","4","10","6","2","7","1") = "9"
    & skf18("8","4","10","6","2","8","1") = "9"
    & skf18("8","4","10","6","2","9","1") = "9"
    & skf18("8","4","10","6","2","10","1") = "9"
    & skf18("8","4","10","6","3","1","1") = "9"
    & skf18("8","4","10","6","3","2","1") = "9"
    & skf18("8","4","10","6","3","3","1") = "9"
    & skf18("8","4","10","6","3","4","1") = "9"
    & skf18("8","4","10","6","3","5","1") = "9"
    & skf18("8","4","10","6","3","6","1") = "9"
    & skf18("8","4","10","6","3","7","1") = "9"
    & skf18("8","4","10","6","3","8","1") = "9"
    & skf18("8","4","10","6","3","9","1") = "9"
    & skf18("8","4","10","6","3","10","1") = "9"
    & skf18("8","4","10","6","4","1","1") = "9"
    & skf18("8","4","10","6","4","2","1") = "9"
    & skf18("8","4","10","6","4","3","1") = "9"
    & skf18("8","4","10","6","4","4","1") = "9"
    & skf18("8","4","10","6","4","5","1") = "9"
    & skf18("8","4","10","6","4","6","1") = "9"
    & skf18("8","4","10","6","4","7","1") = "9"
    & skf18("8","4","10","6","4","8","1") = "9"
    & skf18("8","4","10","6","4","9","1") = "9"
    & skf18("8","4","10","6","4","10","1") = "9"
    & skf18("8","4","10","6","5","1","1") = "9"
    & skf18("8","4","10","6","5","2","1") = "9"
    & skf18("8","4","10","6","5","3","1") = "9"
    & skf18("8","4","10","6","5","4","1") = "9"
    & skf18("8","4","10","6","5","5","1") = "9"
    & skf18("8","4","10","6","5","6","1") = "9"
    & skf18("8","4","10","6","5","7","1") = "9"
    & skf18("8","4","10","6","5","8","1") = "9"
    & skf18("8","4","10","6","5","9","1") = "9"
    & skf18("8","4","10","6","5","10","1") = "9"
    & skf18("8","4","10","6","6","1","1") = "9"
    & skf18("8","4","10","6","6","2","1") = "9"
    & skf18("8","4","10","6","6","3","1") = "9"
    & skf18("8","4","10","6","6","4","1") = "9"
    & skf18("8","4","10","6","6","5","1") = "9"
    & skf18("8","4","10","6","6","6","1") = "9"
    & skf18("8","4","10","6","6","7","1") = "9"
    & skf18("8","4","10","6","6","8","1") = "9"
    & skf18("8","4","10","6","6","9","1") = "9"
    & skf18("8","4","10","6","6","10","1") = "9"
    & skf18("8","4","10","6","7","1","1") = "9"
    & skf18("8","4","10","6","7","2","1") = "9"
    & skf18("8","4","10","6","7","3","1") = "9"
    & skf18("8","4","10","6","7","4","1") = "9"
    & skf18("8","4","10","6","7","5","1") = "9"
    & skf18("8","4","10","6","7","6","1") = "9"
    & skf18("8","4","10","6","7","7","1") = "9"
    & skf18("8","4","10","6","7","8","1") = "9"
    & skf18("8","4","10","6","7","9","1") = "9"
    & skf18("8","4","10","6","7","10","1") = "9"
    & skf18("8","4","10","6","8","1","1") = "9"
    & skf18("8","4","10","6","8","2","1") = "9"
    & skf18("8","4","10","6","8","3","1") = "9"
    & skf18("8","4","10","6","8","4","1") = "9"
    & skf18("8","4","10","6","8","5","1") = "9"
    & skf18("8","4","10","6","8","6","1") = "9"
    & skf18("8","4","10","6","8","7","1") = "9"
    & skf18("8","4","10","6","8","8","1") = "9"
    & skf18("8","4","10","6","8","9","1") = "9"
    & skf18("8","4","10","6","8","10","1") = "9"
    & skf18("8","4","10","6","9","1","1") = "9"
    & skf18("8","4","10","6","9","2","1") = "9"
    & skf18("8","4","10","6","9","3","1") = "9"
    & skf18("8","4","10","6","9","4","1") = "9"
    & skf18("8","4","10","6","9","5","1") = "9"
    & skf18("8","4","10","6","9","6","1") = "9"
    & skf18("8","4","10","6","9","7","1") = "9"
    & skf18("8","4","10","6","9","8","1") = "9"
    & skf18("8","4","10","6","9","9","1") = "9"
    & skf18("8","4","10","6","9","10","1") = "9"
    & skf18("8","4","10","6","10","1","1") = "9"
    & skf18("8","4","10","6","10","2","1") = "9"
    & skf18("8","4","10","6","10","3","1") = "9"
    & skf18("8","4","10","6","10","4","1") = "9"
    & skf18("8","4","10","6","10","5","1") = "9"
    & skf18("8","4","10","6","10","6","1") = "9"
    & skf18("8","4","10","6","10","7","1") = "9"
    & skf18("8","4","10","6","10","8","1") = "9"
    & skf18("8","4","10","6","10","9","1") = "9"
    & skf18("8","4","10","6","10","10","1") = "9"
    & skf18("8","4","10","7","1","1","1") = "9"
    & skf18("8","4","10","7","1","2","1") = "9"
    & skf18("8","4","10","7","1","3","1") = "9"
    & skf18("8","4","10","7","1","4","1") = "9"
    & skf18("8","4","10","7","1","5","1") = "9"
    & skf18("8","4","10","7","1","6","1") = "9"
    & skf18("8","4","10","7","1","7","1") = "9"
    & skf18("8","4","10","7","1","8","1") = "9"
    & skf18("8","4","10","7","1","9","1") = "9"
    & skf18("8","4","10","7","1","10","1") = "9"
    & skf18("8","4","10","7","2","1","1") = "9"
    & skf18("8","4","10","7","2","2","1") = "9"
    & skf18("8","4","10","7","2","3","1") = "9"
    & skf18("8","4","10","7","2","4","1") = "9"
    & skf18("8","4","10","7","2","5","1") = "9"
    & skf18("8","4","10","7","2","6","1") = "9"
    & skf18("8","4","10","7","2","7","1") = "9"
    & skf18("8","4","10","7","2","8","1") = "9"
    & skf18("8","4","10","7","2","9","1") = "9"
    & skf18("8","4","10","7","2","10","1") = "9"
    & skf18("8","4","10","7","3","1","1") = "9"
    & skf18("8","4","10","7","3","2","1") = "9"
    & skf18("8","4","10","7","3","3","1") = "9"
    & skf18("8","4","10","7","3","4","1") = "9"
    & skf18("8","4","10","7","3","5","1") = "9"
    & skf18("8","4","10","7","3","6","1") = "9"
    & skf18("8","4","10","7","3","7","1") = "9"
    & skf18("8","4","10","7","3","8","1") = "9"
    & skf18("8","4","10","7","3","9","1") = "9"
    & skf18("8","4","10","7","3","10","1") = "9"
    & skf18("8","4","10","7","4","1","1") = "9"
    & skf18("8","4","10","7","4","2","1") = "9"
    & skf18("8","4","10","7","4","3","1") = "9"
    & skf18("8","4","10","7","4","4","1") = "9"
    & skf18("8","4","10","7","4","5","1") = "9"
    & skf18("8","4","10","7","4","6","1") = "9"
    & skf18("8","4","10","7","4","7","1") = "9"
    & skf18("8","4","10","7","4","8","1") = "9"
    & skf18("8","4","10","7","4","9","1") = "9"
    & skf18("8","4","10","7","4","10","1") = "9"
    & skf18("8","4","10","7","5","1","1") = "9"
    & skf18("8","4","10","7","5","2","1") = "9"
    & skf18("8","4","10","7","5","3","1") = "9"
    & skf18("8","4","10","7","5","4","1") = "9"
    & skf18("8","4","10","7","5","5","1") = "9"
    & skf18("8","4","10","7","5","6","1") = "9"
    & skf18("8","4","10","7","5","7","1") = "9"
    & skf18("8","4","10","7","5","8","1") = "9"
    & skf18("8","4","10","7","5","9","1") = "9"
    & skf18("8","4","10","7","5","10","1") = "9"
    & skf18("8","4","10","7","6","1","1") = "9"
    & skf18("8","4","10","7","6","2","1") = "9"
    & skf18("8","4","10","7","6","3","1") = "9"
    & skf18("8","4","10","7","6","4","1") = "9"
    & skf18("8","4","10","7","6","5","1") = "9"
    & skf18("8","4","10","7","6","6","1") = "9"
    & skf18("8","4","10","7","6","7","1") = "9"
    & skf18("8","4","10","7","6","8","1") = "9"
    & skf18("8","4","10","7","6","9","1") = "9"
    & skf18("8","4","10","7","6","10","1") = "9"
    & skf18("8","4","10","7","7","1","1") = "9"
    & skf18("8","4","10","7","7","2","1") = "9"
    & skf18("8","4","10","7","7","3","1") = "9"
    & skf18("8","4","10","7","7","4","1") = "9"
    & skf18("8","4","10","7","7","5","1") = "9"
    & skf18("8","4","10","7","7","6","1") = "9"
    & skf18("8","4","10","7","7","7","1") = "9"
    & skf18("8","4","10","7","7","8","1") = "9"
    & skf18("8","4","10","7","7","9","1") = "9"
    & skf18("8","4","10","7","7","10","1") = "9"
    & skf18("8","4","10","7","8","1","1") = "9"
    & skf18("8","4","10","7","8","2","1") = "9"
    & skf18("8","4","10","7","8","3","1") = "9"
    & skf18("8","4","10","7","8","4","1") = "9"
    & skf18("8","4","10","7","8","5","1") = "9"
    & skf18("8","4","10","7","8","6","1") = "9"
    & skf18("8","4","10","7","8","7","1") = "9"
    & skf18("8","4","10","7","8","8","1") = "9"
    & skf18("8","4","10","7","8","9","1") = "9"
    & skf18("8","4","10","7","8","10","1") = "9"
    & skf18("8","4","10","7","9","1","1") = "9"
    & skf18("8","4","10","7","9","2","1") = "9"
    & skf18("8","4","10","7","9","3","1") = "9"
    & skf18("8","4","10","7","9","4","1") = "9"
    & skf18("8","4","10","7","9","5","1") = "9"
    & skf18("8","4","10","7","9","6","1") = "9"
    & skf18("8","4","10","7","9","7","1") = "9"
    & skf18("8","4","10","7","9","8","1") = "9"
    & skf18("8","4","10","7","9","9","1") = "9"
    & skf18("8","4","10","7","9","10","1") = "9"
    & skf18("8","4","10","7","10","1","1") = "9"
    & skf18("8","4","10","7","10","2","1") = "9"
    & skf18("8","4","10","7","10","3","1") = "9"
    & skf18("8","4","10","7","10","4","1") = "9"
    & skf18("8","4","10","7","10","5","1") = "9"
    & skf18("8","4","10","7","10","6","1") = "9"
    & skf18("8","4","10","7","10","7","1") = "9"
    & skf18("8","4","10","7","10","8","1") = "9"
    & skf18("8","4","10","7","10","9","1") = "9"
    & skf18("8","4","10","7","10","10","1") = "9"
    & skf18("8","4","10","8","1","1","1") = "9"
    & skf18("8","4","10","8","1","2","1") = "9"
    & skf18("8","4","10","8","1","3","1") = "9"
    & skf18("8","4","10","8","1","4","1") = "9"
    & skf18("8","4","10","8","1","5","1") = "9"
    & skf18("8","4","10","8","1","6","1") = "9"
    & skf18("8","4","10","8","1","7","1") = "9"
    & skf18("8","4","10","8","1","8","1") = "9"
    & skf18("8","4","10","8","1","9","1") = "9"
    & skf18("8","4","10","8","1","10","1") = "9"
    & skf18("8","4","10","8","2","1","1") = "9"
    & skf18("8","4","10","8","2","2","1") = "9"
    & skf18("8","4","10","8","2","3","1") = "9"
    & skf18("8","4","10","8","2","4","1") = "9"
    & skf18("8","4","10","8","2","5","1") = "9"
    & skf18("8","4","10","8","2","6","1") = "9"
    & skf18("8","4","10","8","2","7","1") = "9"
    & skf18("8","4","10","8","2","8","1") = "9"
    & skf18("8","4","10","8","2","9","1") = "9"
    & skf18("8","4","10","8","2","10","1") = "9"
    & skf18("8","4","10","8","3","1","1") = "9"
    & skf18("8","4","10","8","3","2","1") = "9"
    & skf18("8","4","10","8","3","3","1") = "9"
    & skf18("8","4","10","8","3","4","1") = "9"
    & skf18("8","4","10","8","3","5","1") = "9"
    & skf18("8","4","10","8","3","6","1") = "9"
    & skf18("8","4","10","8","3","7","1") = "9"
    & skf18("8","4","10","8","3","8","1") = "9"
    & skf18("8","4","10","8","3","9","1") = "9"
    & skf18("8","4","10","8","3","10","1") = "9"
    & skf18("8","4","10","8","4","1","1") = "9"
    & skf18("8","4","10","8","4","2","1") = "9"
    & skf18("8","4","10","8","4","3","1") = "9"
    & skf18("8","4","10","8","4","4","1") = "9"
    & skf18("8","4","10","8","4","5","1") = "9"
    & skf18("8","4","10","8","4","6","1") = "9"
    & skf18("8","4","10","8","4","7","1") = "9"
    & skf18("8","4","10","8","4","8","1") = "9"
    & skf18("8","4","10","8","4","9","1") = "9"
    & skf18("8","4","10","8","4","10","1") = "9"
    & skf18("8","4","10","8","5","1","1") = "9"
    & skf18("8","4","10","8","5","2","1") = "9"
    & skf18("8","4","10","8","5","3","1") = "9"
    & skf18("8","4","10","8","5","4","1") = "9"
    & skf18("8","4","10","8","5","5","1") = "9"
    & skf18("8","4","10","8","5","6","1") = "9"
    & skf18("8","4","10","8","5","7","1") = "9"
    & skf18("8","4","10","8","5","8","1") = "9"
    & skf18("8","4","10","8","5","9","1") = "9"
    & skf18("8","4","10","8","5","10","1") = "9"
    & skf18("8","4","10","8","6","1","1") = "9"
    & skf18("8","4","10","8","6","2","1") = "9"
    & skf18("8","4","10","8","6","3","1") = "9"
    & skf18("8","4","10","8","6","4","1") = "9"
    & skf18("8","4","10","8","6","5","1") = "9"
    & skf18("8","4","10","8","6","6","1") = "9"
    & skf18("8","4","10","8","6","7","1") = "9"
    & skf18("8","4","10","8","6","8","1") = "9"
    & skf18("8","4","10","8","6","9","1") = "9"
    & skf18("8","4","10","8","6","10","1") = "9"
    & skf18("8","4","10","8","7","1","1") = "9"
    & skf18("8","4","10","8","7","2","1") = "9"
    & skf18("8","4","10","8","7","3","1") = "9"
    & skf18("8","4","10","8","7","4","1") = "9"
    & skf18("8","4","10","8","7","5","1") = "9"
    & skf18("8","4","10","8","7","6","1") = "9"
    & skf18("8","4","10","8","7","7","1") = "9"
    & skf18("8","4","10","8","7","8","1") = "9"
    & skf18("8","4","10","8","7","9","1") = "9"
    & skf18("8","4","10","8","7","10","1") = "9"
    & skf18("8","4","10","8","8","1","1") = "9"
    & skf18("8","4","10","8","8","2","1") = "9"
    & skf18("8","4","10","8","8","3","1") = "9"
    & skf18("8","4","10","8","8","4","1") = "9"
    & skf18("8","4","10","8","8","5","1") = "9"
    & skf18("8","4","10","8","8","6","1") = "9"
    & skf18("8","4","10","8","8","7","1") = "9"
    & skf18("8","4","10","8","8","8","1") = "9"
    & skf18("8","4","10","8","8","9","1") = "9"
    & skf18("8","4","10","8","8","10","1") = "9"
    & skf18("8","4","10","8","9","1","1") = "9"
    & skf18("8","4","10","8","9","2","1") = "9"
    & skf18("8","4","10","8","9","3","1") = "9"
    & skf18("8","4","10","8","9","4","1") = "9"
    & skf18("8","4","10","8","9","5","1") = "9"
    & skf18("8","4","10","8","9","6","1") = "9"
    & skf18("8","4","10","8","9","7","1") = "9"
    & skf18("8","4","10","8","9","8","1") = "9"
    & skf18("8","4","10","8","9","9","1") = "9"
    & skf18("8","4","10","8","9","10","1") = "9"
    & skf18("8","4","10","8","10","1","1") = "9"
    & skf18("8","4","10","8","10","2","1") = "9"
    & skf18("8","4","10","8","10","3","1") = "9"
    & skf18("8","4","10","8","10","4","1") = "9"
    & skf18("8","4","10","8","10","5","1") = "9"
    & skf18("8","4","10","8","10","6","1") = "9"
    & skf18("8","4","10","8","10","7","1") = "9"
    & skf18("8","4","10","8","10","8","1") = "9"
    & skf18("8","4","10","8","10","9","1") = "9"
    & skf18("8","4","10","8","10","10","1") = "9"
    & skf18("8","4","10","9","1","1","1") = "9"
    & skf18("8","4","10","9","1","2","1") = "9"
    & skf18("8","4","10","9","1","3","1") = "9"
    & skf18("8","4","10","9","1","4","1") = "9"
    & skf18("8","4","10","9","1","5","1") = "9"
    & skf18("8","4","10","9","1","6","1") = "9"
    & skf18("8","4","10","9","1","7","1") = "9"
    & skf18("8","4","10","9","1","8","1") = "9"
    & skf18("8","4","10","9","1","9","1") = "9"
    & skf18("8","4","10","9","1","10","1") = "9"
    & skf18("8","4","10","9","2","1","1") = "9"
    & skf18("8","4","10","9","2","2","1") = "9"
    & skf18("8","4","10","9","2","3","1") = "9"
    & skf18("8","4","10","9","2","4","1") = "9"
    & skf18("8","4","10","9","2","5","1") = "9"
    & skf18("8","4","10","9","2","6","1") = "9"
    & skf18("8","4","10","9","2","7","1") = "9"
    & skf18("8","4","10","9","2","8","1") = "9"
    & skf18("8","4","10","9","2","9","1") = "9"
    & skf18("8","4","10","9","2","10","1") = "9"
    & skf18("8","4","10","9","3","1","1") = "9"
    & skf18("8","4","10","9","3","2","1") = "9"
    & skf18("8","4","10","9","3","3","1") = "9"
    & skf18("8","4","10","9","3","4","1") = "9"
    & skf18("8","4","10","9","3","5","1") = "9"
    & skf18("8","4","10","9","3","6","1") = "9"
    & skf18("8","4","10","9","3","7","1") = "9"
    & skf18("8","4","10","9","3","8","1") = "9"
    & skf18("8","4","10","9","3","9","1") = "9"
    & skf18("8","4","10","9","3","10","1") = "9"
    & skf18("8","4","10","9","4","1","1") = "9"
    & skf18("8","4","10","9","4","2","1") = "9"
    & skf18("8","4","10","9","4","3","1") = "9"
    & skf18("8","4","10","9","4","4","1") = "9"
    & skf18("8","4","10","9","4","5","1") = "9"
    & skf18("8","4","10","9","4","6","1") = "9"
    & skf18("8","4","10","9","4","7","1") = "9"
    & skf18("8","4","10","9","4","8","1") = "9"
    & skf18("8","4","10","9","4","9","1") = "9"
    & skf18("8","4","10","9","4","10","1") = "9"
    & skf18("8","4","10","9","5","1","1") = "9"
    & skf18("8","4","10","9","5","2","1") = "9"
    & skf18("8","4","10","9","5","3","1") = "9"
    & skf18("8","4","10","9","5","4","1") = "9"
    & skf18("8","4","10","9","5","5","1") = "9"
    & skf18("8","4","10","9","5","6","1") = "9"
    & skf18("8","4","10","9","5","7","1") = "9"
    & skf18("8","4","10","9","5","8","1") = "9"
    & skf18("8","4","10","9","5","9","1") = "9"
    & skf18("8","4","10","9","5","10","1") = "9"
    & skf18("8","4","10","9","6","1","1") = "9"
    & skf18("8","4","10","9","6","2","1") = "9"
    & skf18("8","4","10","9","6","3","1") = "9"
    & skf18("8","4","10","9","6","4","1") = "9"
    & skf18("8","4","10","9","6","5","1") = "9"
    & skf18("8","4","10","9","6","6","1") = "9"
    & skf18("8","4","10","9","6","7","1") = "9"
    & skf18("8","4","10","9","6","8","1") = "9"
    & skf18("8","4","10","9","6","9","1") = "9"
    & skf18("8","4","10","9","6","10","1") = "9"
    & skf18("8","4","10","9","7","1","1") = "9"
    & skf18("8","4","10","9","7","2","1") = "9"
    & skf18("8","4","10","9","7","3","1") = "9"
    & skf18("8","4","10","9","7","4","1") = "9"
    & skf18("8","4","10","9","7","5","1") = "9"
    & skf18("8","4","10","9","7","6","1") = "9"
    & skf18("8","4","10","9","7","7","1") = "9"
    & skf18("8","4","10","9","7","8","1") = "9"
    & skf18("8","4","10","9","7","9","1") = "9"
    & skf18("8","4","10","9","7","10","1") = "9"
    & skf18("8","4","10","9","8","1","1") = "9"
    & skf18("8","4","10","9","8","2","1") = "9"
    & skf18("8","4","10","9","8","3","1") = "9"
    & skf18("8","4","10","9","8","4","1") = "9"
    & skf18("8","4","10","9","8","5","1") = "9"
    & skf18("8","4","10","9","8","6","1") = "9"
    & skf18("8","4","10","9","8","7","1") = "9"
    & skf18("8","4","10","9","8","8","1") = "9"
    & skf18("8","4","10","9","8","9","1") = "9"
    & skf18("8","4","10","9","8","10","1") = "9"
    & skf18("8","4","10","9","9","1","1") = "9"
    & skf18("8","4","10","9","9","2","1") = "9"
    & skf18("8","4","10","9","9","3","1") = "9"
    & skf18("8","4","10","9","9","4","1") = "9"
    & skf18("8","4","10","9","9","5","1") = "9"
    & skf18("8","4","10","9","9","6","1") = "9"
    & skf18("8","4","10","9","9","7","1") = "9"
    & skf18("8","4","10","9","9","8","1") = "9"
    & skf18("8","4","10","9","9","9","1") = "9"
    & skf18("8","4","10","9","9","10","1") = "9"
    & skf18("8","4","10","9","10","1","1") = "9"
    & skf18("8","4","10","9","10","2","1") = "9"
    & skf18("8","4","10","9","10","3","1") = "9"
    & skf18("8","4","10","9","10","4","1") = "9"
    & skf18("8","4","10","9","10","5","1") = "9"
    & skf18("8","4","10","9","10","6","1") = "9"
    & skf18("8","4","10","9","10","7","1") = "9"
    & skf18("8","4","10","9","10","8","1") = "9"
    & skf18("8","4","10","9","10","9","1") = "9"
    & skf18("8","4","10","9","10","10","1") = "9"
    & skf18("8","4","10","10","1","1","1") = "9"
    & skf18("8","4","10","10","1","2","1") = "9"
    & skf18("8","4","10","10","1","3","1") = "9"
    & skf18("8","4","10","10","1","4","1") = "9"
    & skf18("8","4","10","10","1","5","1") = "9"
    & skf18("8","4","10","10","1","6","1") = "9"
    & skf18("8","4","10","10","1","7","1") = "9"
    & skf18("8","4","10","10","1","8","1") = "9"
    & skf18("8","4","10","10","1","9","1") = "9"
    & skf18("8","4","10","10","1","10","1") = "9"
    & skf18("8","4","10","10","2","1","1") = "9"
    & skf18("8","4","10","10","2","2","1") = "9"
    & skf18("8","4","10","10","2","3","1") = "9"
    & skf18("8","4","10","10","2","4","1") = "9"
    & skf18("8","4","10","10","2","5","1") = "9"
    & skf18("8","4","10","10","2","6","1") = "9"
    & skf18("8","4","10","10","2","7","1") = "9"
    & skf18("8","4","10","10","2","8","1") = "9"
    & skf18("8","4","10","10","2","9","1") = "9"
    & skf18("8","4","10","10","2","10","1") = "9"
    & skf18("8","4","10","10","3","1","1") = "9"
    & skf18("8","4","10","10","3","2","1") = "9"
    & skf18("8","4","10","10","3","3","1") = "9"
    & skf18("8","4","10","10","3","4","1") = "9"
    & skf18("8","4","10","10","3","5","1") = "9"
    & skf18("8","4","10","10","3","6","1") = "9"
    & skf18("8","4","10","10","3","7","1") = "9"
    & skf18("8","4","10","10","3","8","1") = "9"
    & skf18("8","4","10","10","3","9","1") = "9"
    & skf18("8","4","10","10","3","10","1") = "9"
    & skf18("8","4","10","10","4","1","1") = "9"
    & skf18("8","4","10","10","4","2","1") = "9"
    & skf18("8","4","10","10","4","3","1") = "9"
    & skf18("8","4","10","10","4","4","1") = "9"
    & skf18("8","4","10","10","4","5","1") = "9"
    & skf18("8","4","10","10","4","6","1") = "9"
    & skf18("8","4","10","10","4","7","1") = "9"
    & skf18("8","4","10","10","4","8","1") = "9"
    & skf18("8","4","10","10","4","9","1") = "9"
    & skf18("8","4","10","10","4","10","1") = "9"
    & skf18("8","4","10","10","5","1","1") = "9"
    & skf18("8","4","10","10","5","2","1") = "9"
    & skf18("8","4","10","10","5","3","1") = "9"
    & skf18("8","4","10","10","5","4","1") = "9"
    & skf18("8","4","10","10","5","5","1") = "9"
    & skf18("8","4","10","10","5","6","1") = "9"
    & skf18("8","4","10","10","5","7","1") = "9"
    & skf18("8","4","10","10","5","8","1") = "9"
    & skf18("8","4","10","10","5","9","1") = "9"
    & skf18("8","4","10","10","5","10","1") = "9"
    & skf18("8","4","10","10","6","1","1") = "9"
    & skf18("8","4","10","10","6","2","1") = "9"
    & skf18("8","4","10","10","6","3","1") = "9"
    & skf18("8","4","10","10","6","4","1") = "9"
    & skf18("8","4","10","10","6","5","1") = "9"
    & skf18("8","4","10","10","6","6","1") = "9"
    & skf18("8","4","10","10","6","7","1") = "9"
    & skf18("8","4","10","10","6","8","1") = "9"
    & skf18("8","4","10","10","6","9","1") = "9"
    & skf18("8","4","10","10","6","10","1") = "9"
    & skf18("8","4","10","10","7","1","1") = "9"
    & skf18("8","4","10","10","7","2","1") = "9"
    & skf18("8","4","10","10","7","3","1") = "9"
    & skf18("8","4","10","10","7","4","1") = "9"
    & skf18("8","4","10","10","7","5","1") = "9"
    & skf18("8","4","10","10","7","6","1") = "9"
    & skf18("8","4","10","10","7","7","1") = "9"
    & skf18("8","4","10","10","7","8","1") = "9"
    & skf18("8","4","10","10","7","9","1") = "9"
    & skf18("8","4","10","10","7","10","1") = "9"
    & skf18("8","4","10","10","8","1","1") = "9"
    & skf18("8","4","10","10","8","2","1") = "9"
    & skf18("8","4","10","10","8","3","1") = "9"
    & skf18("8","4","10","10","8","4","1") = "9"
    & skf18("8","4","10","10","8","5","1") = "9"
    & skf18("8","4","10","10","8","6","1") = "9"
    & skf18("8","4","10","10","8","7","1") = "9"
    & skf18("8","4","10","10","8","8","1") = "9"
    & skf18("8","4","10","10","8","9","1") = "9"
    & skf18("8","4","10","10","8","10","1") = "9"
    & skf18("8","4","10","10","9","1","1") = "9"
    & skf18("8","4","10","10","9","2","1") = "9"
    & skf18("8","4","10","10","9","3","1") = "9"
    & skf18("8","4","10","10","9","4","1") = "9"
    & skf18("8","4","10","10","9","5","1") = "9"
    & skf18("8","4","10","10","9","6","1") = "9"
    & skf18("8","4","10","10","9","7","1") = "9"
    & skf18("8","4","10","10","9","8","1") = "9"
    & skf18("8","4","10","10","9","9","1") = "9"
    & skf18("8","4","10","10","9","10","1") = "9"
    & skf18("8","4","10","10","10","1","1") = "9"
    & skf18("8","4","10","10","10","2","1") = "9"
    & skf18("8","4","10","10","10","3","1") = "9"
    & skf18("8","4","10","10","10","4","1") = "9"
    & skf18("8","4","10","10","10","5","1") = "9"
    & skf18("8","4","10","10","10","6","1") = "9"
    & skf18("8","4","10","10","10","7","1") = "9"
    & skf18("8","4","10","10","10","8","1") = "9"
    & skf18("8","4","10","10","10","9","1") = "9"
    & skf18("8","4","10","10","10","10","1") = "9"
    & skf18("8","5","1","1","1","1","1") = "7"
    & skf18("8","5","1","1","1","2","1") = "7"
    & skf18("8","5","1","1","1","3","1") = "7"
    & skf18("8","5","1","1","1","4","1") = "7"
    & skf18("8","5","1","1","1","5","1") = "7"
    & skf18("8","5","1","1","1","6","1") = "7"
    & skf18("8","5","1","1","1","7","1") = "7"
    & skf18("8","5","1","1","1","8","1") = "7"
    & skf18("8","5","1","1","1","9","1") = "8"
    & skf18("8","5","1","1","1","10","1") = "9"
    & skf18("8","5","1","1","2","1","1") = "7"
    & skf18("8","5","1","1","2","2","1") = "7"
    & skf18("8","5","1","1","2","3","1") = "7"
    & skf18("8","5","1","1","2","4","1") = "7"
    & skf18("8","5","1","1","2","5","1") = "7"
    & skf18("8","5","1","1","2","6","1") = "7"
    & skf18("8","5","1","1","2","7","1") = "7"
    & skf18("8","5","1","1","2","8","1") = "7"
    & skf18("8","5","1","1","2","9","1") = "8"
    & skf18("8","5","1","1","2","10","1") = "9"
    & skf18("8","5","1","1","3","1","1") = "7"
    & skf18("8","5","1","1","3","2","1") = "7"
    & skf18("8","5","1","1","3","3","1") = "7"
    & skf18("8","5","1","1","3","4","1") = "7"
    & skf18("8","5","1","1","3","5","1") = "7"
    & skf18("8","5","1","1","3","6","1") = "7"
    & skf18("8","5","1","1","3","7","1") = "7"
    & skf18("8","5","1","1","3","8","1") = "7"
    & skf18("8","5","1","1","3","9","1") = "8"
    & skf18("8","5","1","1","3","10","1") = "9"
    & skf18("8","5","1","1","4","1","1") = "7"
    & skf18("8","5","1","1","4","2","1") = "7"
    & skf18("8","5","1","1","4","3","1") = "7"
    & skf18("8","5","1","1","4","4","1") = "7"
    & skf18("8","5","1","1","4","5","1") = "7"
    & skf18("8","5","1","1","4","6","1") = "7"
    & skf18("8","5","1","1","4","7","1") = "7"
    & skf18("8","5","1","1","4","8","1") = "7"
    & skf18("8","5","1","1","4","9","1") = "8"
    & skf18("8","5","1","1","4","10","1") = "9"
    & skf18("8","5","1","1","5","1","1") = "7"
    & skf18("8","5","1","1","5","2","1") = "7"
    & skf18("8","5","1","1","5","3","1") = "7"
    & skf18("8","5","1","1","5","4","1") = "7"
    & skf18("8","5","1","1","5","5","1") = "7"
    & skf18("8","5","1","1","5","6","1") = "7"
    & skf18("8","5","1","1","5","7","1") = "7"
    & skf18("8","5","1","1","5","8","1") = "7"
    & skf18("8","5","1","1","5","9","1") = "8"
    & skf18("8","5","1","1","5","10","1") = "9"
    & skf18("8","5","1","1","6","1","1") = "7"
    & skf18("8","5","1","1","6","2","1") = "7"
    & skf18("8","5","1","1","6","3","1") = "7"
    & skf18("8","5","1","1","6","4","1") = "7"
    & skf18("8","5","1","1","6","5","1") = "7"
    & skf18("8","5","1","1","6","6","1") = "7"
    & skf18("8","5","1","1","6","7","1") = "7"
    & skf18("8","5","1","1","6","8","1") = "7"
    & skf18("8","5","1","1","6","9","1") = "8"
    & skf18("8","5","1","1","6","10","1") = "9"
    & skf18("8","5","1","1","7","1","1") = "7"
    & skf18("8","5","1","1","7","2","1") = "7"
    & skf18("8","5","1","1","7","3","1") = "7"
    & skf18("8","5","1","1","7","4","1") = "7"
    & skf18("8","5","1","1","7","5","1") = "7"
    & skf18("8","5","1","1","7","6","1") = "7"
    & skf18("8","5","1","1","7","7","1") = "7"
    & skf18("8","5","1","1","7","8","1") = "7"
    & skf18("8","5","1","1","7","9","1") = "8"
    & skf18("8","5","1","1","7","10","1") = "9"
    & skf18("8","5","1","1","8","1","1") = "7"
    & skf18("8","5","1","1","8","2","1") = "7"
    & skf18("8","5","1","1","8","3","1") = "7"
    & skf18("8","5","1","1","8","4","1") = "7"
    & skf18("8","5","1","1","8","5","1") = "7"
    & skf18("8","5","1","1","8","6","1") = "7"
    & skf18("8","5","1","1","8","7","1") = "7"
    & skf18("8","5","1","1","8","8","1") = "7"
    & skf18("8","5","1","1","8","9","1") = "8"
    & skf18("8","5","1","1","8","10","1") = "9"
    & skf18("8","5","1","1","9","1","1") = "8"
    & skf18("8","5","1","1","9","2","1") = "8"
    & skf18("8","5","1","1","9","3","1") = "8"
    & skf18("8","5","1","1","9","4","1") = "8"
    & skf18("8","5","1","1","9","5","1") = "8"
    & skf18("8","5","1","1","9","6","1") = "8"
    & skf18("8","5","1","1","9","7","1") = "8"
    & skf18("8","5","1","1","9","8","1") = "8"
    & skf18("8","5","1","1","9","9","1") = "8"
    & skf18("8","5","1","1","9","10","1") = "9"
    & skf18("8","5","1","1","10","1","1") = "9"
    & skf18("8","5","1","1","10","2","1") = "9"
    & skf18("8","5","1","1","10","3","1") = "9"
    & skf18("8","5","1","1","10","4","1") = "9"
    & skf18("8","5","1","1","10","5","1") = "9"
    & skf18("8","5","1","1","10","6","1") = "9"
    & skf18("8","5","1","1","10","7","1") = "9"
    & skf18("8","5","1","1","10","8","1") = "9"
    & skf18("8","5","1","1","10","9","1") = "9"
    & skf18("8","5","1","1","10","10","1") = "9"
    & skf18("8","5","1","2","1","1","1") = "7"
    & skf18("8","5","1","2","1","2","1") = "7"
    & skf18("8","5","1","2","1","3","1") = "7"
    & skf18("8","5","1","2","1","4","1") = "7"
    & skf18("8","5","1","2","1","5","1") = "7"
    & skf18("8","5","1","2","1","6","1") = "7"
    & skf18("8","5","1","2","1","7","1") = "7"
    & skf18("8","5","1","2","1","8","1") = "7"
    & skf18("8","5","1","2","1","9","1") = "8"
    & skf18("8","5","1","2","1","10","1") = "9"
    & skf18("8","5","1","2","2","1","1") = "7"
    & skf18("8","5","1","2","2","2","1") = "7"
    & skf18("8","5","1","2","2","3","1") = "7"
    & skf18("8","5","1","2","2","4","1") = "7"
    & skf18("8","5","1","2","2","5","1") = "7"
    & skf18("8","5","1","2","2","6","1") = "7"
    & skf18("8","5","1","2","2","7","1") = "7"
    & skf18("8","5","1","2","2","8","1") = "7"
    & skf18("8","5","1","2","2","9","1") = "8"
    & skf18("8","5","1","2","2","10","1") = "9"
    & skf18("8","5","1","2","3","1","1") = "7"
    & skf18("8","5","1","2","3","2","1") = "7"
    & skf18("8","5","1","2","3","3","1") = "7"
    & skf18("8","5","1","2","3","4","1") = "7"
    & skf18("8","5","1","2","3","5","1") = "7"
    & skf18("8","5","1","2","3","6","1") = "7"
    & skf18("8","5","1","2","3","7","1") = "7"
    & skf18("8","5","1","2","3","8","1") = "7"
    & skf18("8","5","1","2","3","9","1") = "8"
    & skf18("8","5","1","2","3","10","1") = "9"
    & skf18("8","5","1","2","4","1","1") = "7"
    & skf18("8","5","1","2","4","2","1") = "7"
    & skf18("8","5","1","2","4","3","1") = "7"
    & skf18("8","5","1","2","4","4","1") = "7"
    & skf18("8","5","1","2","4","5","1") = "7"
    & skf18("8","5","1","2","4","6","1") = "7"
    & skf18("8","5","1","2","4","7","1") = "7"
    & skf18("8","5","1","2","4","8","1") = "7"
    & skf18("8","5","1","2","4","9","1") = "8"
    & skf18("8","5","1","2","4","10","1") = "9"
    & skf18("8","5","1","2","5","1","1") = "7"
    & skf18("8","5","1","2","5","2","1") = "7"
    & skf18("8","5","1","2","5","3","1") = "7"
    & skf18("8","5","1","2","5","4","1") = "7"
    & skf18("8","5","1","2","5","5","1") = "7"
    & skf18("8","5","1","2","5","6","1") = "7"
    & skf18("8","5","1","2","5","7","1") = "7"
    & skf18("8","5","1","2","5","8","1") = "7"
    & skf18("8","5","1","2","5","9","1") = "8"
    & skf18("8","5","1","2","5","10","1") = "9"
    & skf18("8","5","1","2","6","1","1") = "7"
    & skf18("8","5","1","2","6","2","1") = "7"
    & skf18("8","5","1","2","6","3","1") = "7"
    & skf18("8","5","1","2","6","4","1") = "7"
    & skf18("8","5","1","2","6","5","1") = "7"
    & skf18("8","5","1","2","6","6","1") = "7"
    & skf18("8","5","1","2","6","7","1") = "7"
    & skf18("8","5","1","2","6","8","1") = "7"
    & skf18("8","5","1","2","6","9","1") = "8"
    & skf18("8","5","1","2","6","10","1") = "9"
    & skf18("8","5","1","2","7","1","1") = "7"
    & skf18("8","5","1","2","7","2","1") = "7"
    & skf18("8","5","1","2","7","3","1") = "7"
    & skf18("8","5","1","2","7","4","1") = "7"
    & skf18("8","5","1","2","7","5","1") = "7"
    & skf18("8","5","1","2","7","6","1") = "7"
    & skf18("8","5","1","2","7","7","1") = "7"
    & skf18("8","5","1","2","7","8","1") = "7"
    & skf18("8","5","1","2","7","9","1") = "8"
    & skf18("8","5","1","2","7","10","1") = "9"
    & skf18("8","5","1","2","8","1","1") = "7"
    & skf18("8","5","1","2","8","2","1") = "7"
    & skf18("8","5","1","2","8","3","1") = "7"
    & skf18("8","5","1","2","8","4","1") = "7"
    & skf18("8","5","1","2","8","5","1") = "7"
    & skf18("8","5","1","2","8","6","1") = "7"
    & skf18("8","5","1","2","8","7","1") = "7"
    & skf18("8","5","1","2","8","8","1") = "7"
    & skf18("8","5","1","2","8","9","1") = "8"
    & skf18("8","5","1","2","8","10","1") = "9"
    & skf18("8","5","1","2","9","1","1") = "8"
    & skf18("8","5","1","2","9","2","1") = "8"
    & skf18("8","5","1","2","9","3","1") = "8"
    & skf18("8","5","1","2","9","4","1") = "8"
    & skf18("8","5","1","2","9","5","1") = "8"
    & skf18("8","5","1","2","9","6","1") = "8"
    & skf18("8","5","1","2","9","7","1") = "8"
    & skf18("8","5","1","2","9","8","1") = "8"
    & skf18("8","5","1","2","9","9","1") = "8"
    & skf18("8","5","1","2","9","10","1") = "9"
    & skf18("8","5","1","2","10","1","1") = "9"
    & skf18("8","5","1","2","10","2","1") = "9"
    & skf18("8","5","1","2","10","3","1") = "9"
    & skf18("8","5","1","2","10","4","1") = "9"
    & skf18("8","5","1","2","10","5","1") = "9"
    & skf18("8","5","1","2","10","6","1") = "9"
    & skf18("8","5","1","2","10","7","1") = "9"
    & skf18("8","5","1","2","10","8","1") = "9"
    & skf18("8","5","1","2","10","9","1") = "9"
    & skf18("8","5","1","2","10","10","1") = "9"
    & skf18("8","5","1","3","1","1","1") = "7"
    & skf18("8","5","1","3","1","2","1") = "7"
    & skf18("8","5","1","3","1","3","1") = "7"
    & skf18("8","5","1","3","1","4","1") = "7"
    & skf18("8","5","1","3","1","5","1") = "7"
    & skf18("8","5","1","3","1","6","1") = "7"
    & skf18("8","5","1","3","1","7","1") = "7"
    & skf18("8","5","1","3","1","8","1") = "7"
    & skf18("8","5","1","3","1","9","1") = "8"
    & skf18("8","5","1","3","1","10","1") = "9"
    & skf18("8","5","1","3","2","1","1") = "7"
    & skf18("8","5","1","3","2","2","1") = "7"
    & skf18("8","5","1","3","2","3","1") = "7"
    & skf18("8","5","1","3","2","4","1") = "7"
    & skf18("8","5","1","3","2","5","1") = "7"
    & skf18("8","5","1","3","2","6","1") = "7"
    & skf18("8","5","1","3","2","7","1") = "7"
    & skf18("8","5","1","3","2","8","1") = "7"
    & skf18("8","5","1","3","2","9","1") = "8"
    & skf18("8","5","1","3","2","10","1") = "9"
    & skf18("8","5","1","3","3","1","1") = "7"
    & skf18("8","5","1","3","3","2","1") = "7"
    & skf18("8","5","1","3","3","3","1") = "7"
    & skf18("8","5","1","3","3","4","1") = "7"
    & skf18("8","5","1","3","3","5","1") = "7"
    & skf18("8","5","1","3","3","6","1") = "7"
    & skf18("8","5","1","3","3","7","1") = "7"
    & skf18("8","5","1","3","3","8","1") = "7"
    & skf18("8","5","1","3","3","9","1") = "8"
    & skf18("8","5","1","3","3","10","1") = "9"
    & skf18("8","5","1","3","4","1","1") = "7"
    & skf18("8","5","1","3","4","2","1") = "7"
    & skf18("8","5","1","3","4","3","1") = "7"
    & skf18("8","5","1","3","4","4","1") = "7"
    & skf18("8","5","1","3","4","5","1") = "7"
    & skf18("8","5","1","3","4","6","1") = "7"
    & skf18("8","5","1","3","4","7","1") = "7"
    & skf18("8","5","1","3","4","8","1") = "7"
    & skf18("8","5","1","3","4","9","1") = "8"
    & skf18("8","5","1","3","4","10","1") = "9"
    & skf18("8","5","1","3","5","1","1") = "7"
    & skf18("8","5","1","3","5","2","1") = "7"
    & skf18("8","5","1","3","5","3","1") = "7"
    & skf18("8","5","1","3","5","4","1") = "7"
    & skf18("8","5","1","3","5","5","1") = "7"
    & skf18("8","5","1","3","5","6","1") = "7"
    & skf18("8","5","1","3","5","7","1") = "7"
    & skf18("8","5","1","3","5","8","1") = "7"
    & skf18("8","5","1","3","5","9","1") = "8"
    & skf18("8","5","1","3","5","10","1") = "9"
    & skf18("8","5","1","3","6","1","1") = "7"
    & skf18("8","5","1","3","6","2","1") = "7"
    & skf18("8","5","1","3","6","3","1") = "7"
    & skf18("8","5","1","3","6","4","1") = "7"
    & skf18("8","5","1","3","6","5","1") = "7"
    & skf18("8","5","1","3","6","6","1") = "7"
    & skf18("8","5","1","3","6","7","1") = "7"
    & skf18("8","5","1","3","6","8","1") = "7"
    & skf18("8","5","1","3","6","9","1") = "8"
    & skf18("8","5","1","3","6","10","1") = "9"
    & skf18("8","5","1","3","7","1","1") = "7"
    & skf18("8","5","1","3","7","2","1") = "7"
    & skf18("8","5","1","3","7","3","1") = "7"
    & skf18("8","5","1","3","7","4","1") = "7"
    & skf18("8","5","1","3","7","5","1") = "7"
    & skf18("8","5","1","3","7","6","1") = "7"
    & skf18("8","5","1","3","7","7","1") = "7"
    & skf18("8","5","1","3","7","8","1") = "7"
    & skf18("8","5","1","3","7","9","1") = "8"
    & skf18("8","5","1","3","7","10","1") = "9"
    & skf18("8","5","1","3","8","1","1") = "7"
    & skf18("8","5","1","3","8","2","1") = "7"
    & skf18("8","5","1","3","8","3","1") = "7"
    & skf18("8","5","1","3","8","4","1") = "7"
    & skf18("8","5","1","3","8","5","1") = "7"
    & skf18("8","5","1","3","8","6","1") = "7"
    & skf18("8","5","1","3","8","7","1") = "7"
    & skf18("8","5","1","3","8","8","1") = "7"
    & skf18("8","5","1","3","8","9","1") = "8"
    & skf18("8","5","1","3","8","10","1") = "9"
    & skf18("8","5","1","3","9","1","1") = "8"
    & skf18("8","5","1","3","9","2","1") = "8"
    & skf18("8","5","1","3","9","3","1") = "8"
    & skf18("8","5","1","3","9","4","1") = "8"
    & skf18("8","5","1","3","9","5","1") = "8"
    & skf18("8","5","1","3","9","6","1") = "8"
    & skf18("8","5","1","3","9","7","1") = "8"
    & skf18("8","5","1","3","9","8","1") = "8"
    & skf18("8","5","1","3","9","9","1") = "8"
    & skf18("8","5","1","3","9","10","1") = "9"
    & skf18("8","5","1","3","10","1","1") = "9"
    & skf18("8","5","1","3","10","2","1") = "9"
    & skf18("8","5","1","3","10","3","1") = "9"
    & skf18("8","5","1","3","10","4","1") = "9"
    & skf18("8","5","1","3","10","5","1") = "9"
    & skf18("8","5","1","3","10","6","1") = "9"
    & skf18("8","5","1","3","10","7","1") = "9"
    & skf18("8","5","1","3","10","8","1") = "9"
    & skf18("8","5","1","3","10","9","1") = "9"
    & skf18("8","5","1","3","10","10","1") = "9"
    & skf18("8","5","1","4","1","1","1") = "7"
    & skf18("8","5","1","4","1","2","1") = "7"
    & skf18("8","5","1","4","1","3","1") = "7"
    & skf18("8","5","1","4","1","4","1") = "7"
    & skf18("8","5","1","4","1","5","1") = "7"
    & skf18("8","5","1","4","1","6","1") = "7"
    & skf18("8","5","1","4","1","7","1") = "7"
    & skf18("8","5","1","4","1","8","1") = "7"
    & skf18("8","5","1","4","1","9","1") = "8"
    & skf18("8","5","1","4","1","10","1") = "9"
    & skf18("8","5","1","4","2","1","1") = "7"
    & skf18("8","5","1","4","2","2","1") = "7"
    & skf18("8","5","1","4","2","3","1") = "7"
    & skf18("8","5","1","4","2","4","1") = "7"
    & skf18("8","5","1","4","2","5","1") = "7"
    & skf18("8","5","1","4","2","6","1") = "7"
    & skf18("8","5","1","4","2","7","1") = "7"
    & skf18("8","5","1","4","2","8","1") = "7"
    & skf18("8","5","1","4","2","9","1") = "8"
    & skf18("8","5","1","4","2","10","1") = "9"
    & skf18("8","5","1","4","3","1","1") = "7"
    & skf18("8","5","1","4","3","2","1") = "7"
    & skf18("8","5","1","4","3","3","1") = "7"
    & skf18("8","5","1","4","3","4","1") = "7"
    & skf18("8","5","1","4","3","5","1") = "7"
    & skf18("8","5","1","4","3","6","1") = "7"
    & skf18("8","5","1","4","3","7","1") = "7"
    & skf18("8","5","1","4","3","8","1") = "7"
    & skf18("8","5","1","4","3","9","1") = "8"
    & skf18("8","5","1","4","3","10","1") = "9"
    & skf18("8","5","1","4","4","1","1") = "7"
    & skf18("8","5","1","4","4","2","1") = "7"
    & skf18("8","5","1","4","4","3","1") = "7"
    & skf18("8","5","1","4","4","4","1") = "7"
    & skf18("8","5","1","4","4","5","1") = "7"
    & skf18("8","5","1","4","4","6","1") = "7"
    & skf18("8","5","1","4","4","7","1") = "7"
    & skf18("8","5","1","4","4","8","1") = "7"
    & skf18("8","5","1","4","4","9","1") = "8"
    & skf18("8","5","1","4","4","10","1") = "9"
    & skf18("8","5","1","4","5","1","1") = "7"
    & skf18("8","5","1","4","5","2","1") = "7"
    & skf18("8","5","1","4","5","3","1") = "7"
    & skf18("8","5","1","4","5","4","1") = "7"
    & skf18("8","5","1","4","5","5","1") = "7"
    & skf18("8","5","1","4","5","6","1") = "7"
    & skf18("8","5","1","4","5","7","1") = "7"
    & skf18("8","5","1","4","5","8","1") = "7"
    & skf18("8","5","1","4","5","9","1") = "8"
    & skf18("8","5","1","4","5","10","1") = "9"
    & skf18("8","5","1","4","6","1","1") = "7"
    & skf18("8","5","1","4","6","2","1") = "7"
    & skf18("8","5","1","4","6","3","1") = "7"
    & skf18("8","5","1","4","6","4","1") = "7"
    & skf18("8","5","1","4","6","5","1") = "7"
    & skf18("8","5","1","4","6","6","1") = "7"
    & skf18("8","5","1","4","6","7","1") = "7"
    & skf18("8","5","1","4","6","8","1") = "7"
    & skf18("8","5","1","4","6","9","1") = "8"
    & skf18("8","5","1","4","6","10","1") = "9"
    & skf18("8","5","1","4","7","1","1") = "7"
    & skf18("8","5","1","4","7","2","1") = "7"
    & skf18("8","5","1","4","7","3","1") = "7"
    & skf18("8","5","1","4","7","4","1") = "7"
    & skf18("8","5","1","4","7","5","1") = "7"
    & skf18("8","5","1","4","7","6","1") = "7"
    & skf18("8","5","1","4","7","7","1") = "7"
    & skf18("8","5","1","4","7","8","1") = "7"
    & skf18("8","5","1","4","7","9","1") = "8"
    & skf18("8","5","1","4","7","10","1") = "9"
    & skf18("8","5","1","4","8","1","1") = "7"
    & skf18("8","5","1","4","8","2","1") = "7"
    & skf18("8","5","1","4","8","3","1") = "7"
    & skf18("8","5","1","4","8","4","1") = "7"
    & skf18("8","5","1","4","8","5","1") = "7"
    & skf18("8","5","1","4","8","6","1") = "7"
    & skf18("8","5","1","4","8","7","1") = "7"
    & skf18("8","5","1","4","8","8","1") = "7"
    & skf18("8","5","1","4","8","9","1") = "8"
    & skf18("8","5","1","4","8","10","1") = "9"
    & skf18("8","5","1","4","9","1","1") = "8"
    & skf18("8","5","1","4","9","2","1") = "8"
    & skf18("8","5","1","4","9","3","1") = "8"
    & skf18("8","5","1","4","9","4","1") = "8"
    & skf18("8","5","1","4","9","5","1") = "8"
    & skf18("8","5","1","4","9","6","1") = "8"
    & skf18("8","5","1","4","9","7","1") = "8"
    & skf18("8","5","1","4","9","8","1") = "8"
    & skf18("8","5","1","4","9","9","1") = "8"
    & skf18("8","5","1","4","9","10","1") = "9"
    & skf18("8","5","1","4","10","1","1") = "9"
    & skf18("8","5","1","4","10","2","1") = "9"
    & skf18("8","5","1","4","10","3","1") = "9"
    & skf18("8","5","1","4","10","4","1") = "9"
    & skf18("8","5","1","4","10","5","1") = "9"
    & skf18("8","5","1","4","10","6","1") = "9"
    & skf18("8","5","1","4","10","7","1") = "9"
    & skf18("8","5","1","4","10","8","1") = "9"
    & skf18("8","5","1","4","10","9","1") = "9"
    & skf18("8","5","1","4","10","10","1") = "9"
    & skf18("8","5","1","5","1","1","1") = "7"
    & skf18("8","5","1","5","1","2","1") = "7"
    & skf18("8","5","1","5","1","3","1") = "7"
    & skf18("8","5","1","5","1","4","1") = "7"
    & skf18("8","5","1","5","1","5","1") = "7"
    & skf18("8","5","1","5","1","6","1") = "7"
    & skf18("8","5","1","5","1","7","1") = "7"
    & skf18("8","5","1","5","1","8","1") = "7"
    & skf18("8","5","1","5","1","9","1") = "8"
    & skf18("8","5","1","5","1","10","1") = "9"
    & skf18("8","5","1","5","2","1","1") = "7"
    & skf18("8","5","1","5","2","2","1") = "7"
    & skf18("8","5","1","5","2","3","1") = "7"
    & skf18("8","5","1","5","2","4","1") = "7"
    & skf18("8","5","1","5","2","5","1") = "7"
    & skf18("8","5","1","5","2","6","1") = "7"
    & skf18("8","5","1","5","2","7","1") = "7"
    & skf18("8","5","1","5","2","8","1") = "7"
    & skf18("8","5","1","5","2","9","1") = "8"
    & skf18("8","5","1","5","2","10","1") = "9"
    & skf18("8","5","1","5","3","1","1") = "7"
    & skf18("8","5","1","5","3","2","1") = "7"
    & skf18("8","5","1","5","3","3","1") = "7"
    & skf18("8","5","1","5","3","4","1") = "7"
    & skf18("8","5","1","5","3","5","1") = "7"
    & skf18("8","5","1","5","3","6","1") = "7"
    & skf18("8","5","1","5","3","7","1") = "7"
    & skf18("8","5","1","5","3","8","1") = "7"
    & skf18("8","5","1","5","3","9","1") = "8"
    & skf18("8","5","1","5","3","10","1") = "9"
    & skf18("8","5","1","5","4","1","1") = "7"
    & skf18("8","5","1","5","4","2","1") = "7"
    & skf18("8","5","1","5","4","3","1") = "7"
    & skf18("8","5","1","5","4","4","1") = "7"
    & skf18("8","5","1","5","4","5","1") = "7"
    & skf18("8","5","1","5","4","6","1") = "7"
    & skf18("8","5","1","5","4","7","1") = "7"
    & skf18("8","5","1","5","4","8","1") = "7"
    & skf18("8","5","1","5","4","9","1") = "8"
    & skf18("8","5","1","5","4","10","1") = "9"
    & skf18("8","5","1","5","5","1","1") = "7"
    & skf18("8","5","1","5","5","2","1") = "7"
    & skf18("8","5","1","5","5","3","1") = "7"
    & skf18("8","5","1","5","5","4","1") = "7"
    & skf18("8","5","1","5","5","5","1") = "7"
    & skf18("8","5","1","5","5","6","1") = "7"
    & skf18("8","5","1","5","5","7","1") = "7"
    & skf18("8","5","1","5","5","8","1") = "7"
    & skf18("8","5","1","5","5","9","1") = "8"
    & skf18("8","5","1","5","5","10","1") = "9"
    & skf18("8","5","1","5","6","1","1") = "7"
    & skf18("8","5","1","5","6","2","1") = "7"
    & skf18("8","5","1","5","6","3","1") = "7"
    & skf18("8","5","1","5","6","4","1") = "7"
    & skf18("8","5","1","5","6","5","1") = "7"
    & skf18("8","5","1","5","6","6","1") = "7"
    & skf18("8","5","1","5","6","7","1") = "7"
    & skf18("8","5","1","5","6","8","1") = "7"
    & skf18("8","5","1","5","6","9","1") = "8"
    & skf18("8","5","1","5","6","10","1") = "9"
    & skf18("8","5","1","5","7","1","1") = "7"
    & skf18("8","5","1","5","7","2","1") = "7"
    & skf18("8","5","1","5","7","3","1") = "7"
    & skf18("8","5","1","5","7","4","1") = "7"
    & skf18("8","5","1","5","7","5","1") = "7"
    & skf18("8","5","1","5","7","6","1") = "7"
    & skf18("8","5","1","5","7","7","1") = "7"
    & skf18("8","5","1","5","7","8","1") = "7"
    & skf18("8","5","1","5","7","9","1") = "8"
    & skf18("8","5","1","5","7","10","1") = "9"
    & skf18("8","5","1","5","8","1","1") = "7"
    & skf18("8","5","1","5","8","2","1") = "7"
    & skf18("8","5","1","5","8","3","1") = "7"
    & skf18("8","5","1","5","8","4","1") = "7"
    & skf18("8","5","1","5","8","5","1") = "7"
    & skf18("8","5","1","5","8","6","1") = "7"
    & skf18("8","5","1","5","8","7","1") = "7"
    & skf18("8","5","1","5","8","8","1") = "7"
    & skf18("8","5","1","5","8","9","1") = "8"
    & skf18("8","5","1","5","8","10","1") = "9"
    & skf18("8","5","1","5","9","1","1") = "8"
    & skf18("8","5","1","5","9","2","1") = "8"
    & skf18("8","5","1","5","9","3","1") = "8"
    & skf18("8","5","1","5","9","4","1") = "8"
    & skf18("8","5","1","5","9","5","1") = "8"
    & skf18("8","5","1","5","9","6","1") = "8"
    & skf18("8","5","1","5","9","7","1") = "8"
    & skf18("8","5","1","5","9","8","1") = "8"
    & skf18("8","5","1","5","9","9","1") = "8"
    & skf18("8","5","1","5","9","10","1") = "9"
    & skf18("8","5","1","5","10","1","1") = "9"
    & skf18("8","5","1","5","10","2","1") = "9"
    & skf18("8","5","1","5","10","3","1") = "9"
    & skf18("8","5","1","5","10","4","1") = "9"
    & skf18("8","5","1","5","10","5","1") = "9"
    & skf18("8","5","1","5","10","6","1") = "9"
    & skf18("8","5","1","5","10","7","1") = "9"
    & skf18("8","5","1","5","10","8","1") = "9"
    & skf18("8","5","1","5","10","9","1") = "9"
    & skf18("8","5","1","5","10","10","1") = "9"
    & skf18("8","5","1","6","1","1","1") = "7"
    & skf18("8","5","1","6","1","2","1") = "7"
    & skf18("8","5","1","6","1","3","1") = "7"
    & skf18("8","5","1","6","1","4","1") = "7"
    & skf18("8","5","1","6","1","5","1") = "7"
    & skf18("8","5","1","6","1","6","1") = "7"
    & skf18("8","5","1","6","1","7","1") = "7"
    & skf18("8","5","1","6","1","8","1") = "7"
    & skf18("8","5","1","6","1","9","1") = "8"
    & skf18("8","5","1","6","1","10","1") = "9"
    & skf18("8","5","1","6","2","1","1") = "7"
    & skf18("8","5","1","6","2","2","1") = "7"
    & skf18("8","5","1","6","2","3","1") = "7"
    & skf18("8","5","1","6","2","4","1") = "7"
    & skf18("8","5","1","6","2","5","1") = "7"
    & skf18("8","5","1","6","2","6","1") = "7"
    & skf18("8","5","1","6","2","7","1") = "7"
    & skf18("8","5","1","6","2","8","1") = "7"
    & skf18("8","5","1","6","2","9","1") = "8"
    & skf18("8","5","1","6","2","10","1") = "9"
    & skf18("8","5","1","6","3","1","1") = "7"
    & skf18("8","5","1","6","3","2","1") = "7"
    & skf18("8","5","1","6","3","3","1") = "7"
    & skf18("8","5","1","6","3","4","1") = "7"
    & skf18("8","5","1","6","3","5","1") = "7"
    & skf18("8","5","1","6","3","6","1") = "7"
    & skf18("8","5","1","6","3","7","1") = "7"
    & skf18("8","5","1","6","3","8","1") = "7"
    & skf18("8","5","1","6","3","9","1") = "8"
    & skf18("8","5","1","6","3","10","1") = "9"
    & skf18("8","5","1","6","4","1","1") = "7"
    & skf18("8","5","1","6","4","2","1") = "7"
    & skf18("8","5","1","6","4","3","1") = "7"
    & skf18("8","5","1","6","4","4","1") = "7"
    & skf18("8","5","1","6","4","5","1") = "7"
    & skf18("8","5","1","6","4","6","1") = "7"
    & skf18("8","5","1","6","4","7","1") = "7"
    & skf18("8","5","1","6","4","8","1") = "7"
    & skf18("8","5","1","6","4","9","1") = "8"
    & skf18("8","5","1","6","4","10","1") = "9"
    & skf18("8","5","1","6","5","1","1") = "7"
    & skf18("8","5","1","6","5","2","1") = "7"
    & skf18("8","5","1","6","5","3","1") = "7"
    & skf18("8","5","1","6","5","4","1") = "7"
    & skf18("8","5","1","6","5","5","1") = "7"
    & skf18("8","5","1","6","5","6","1") = "7"
    & skf18("8","5","1","6","5","7","1") = "7"
    & skf18("8","5","1","6","5","8","1") = "7"
    & skf18("8","5","1","6","5","9","1") = "8"
    & skf18("8","5","1","6","5","10","1") = "9"
    & skf18("8","5","1","6","6","1","1") = "7"
    & skf18("8","5","1","6","6","2","1") = "7"
    & skf18("8","5","1","6","6","3","1") = "7"
    & skf18("8","5","1","6","6","4","1") = "7"
    & skf18("8","5","1","6","6","5","1") = "7"
    & skf18("8","5","1","6","6","6","1") = "7"
    & skf18("8","5","1","6","6","7","1") = "7"
    & skf18("8","5","1","6","6","8","1") = "7"
    & skf18("8","5","1","6","6","9","1") = "8"
    & skf18("8","5","1","6","6","10","1") = "9"
    & skf18("8","5","1","6","7","1","1") = "7"
    & skf18("8","5","1","6","7","2","1") = "7"
    & skf18("8","5","1","6","7","3","1") = "7"
    & skf18("8","5","1","6","7","4","1") = "7"
    & skf18("8","5","1","6","7","5","1") = "7"
    & skf18("8","5","1","6","7","6","1") = "7"
    & skf18("8","5","1","6","7","7","1") = "7"
    & skf18("8","5","1","6","7","8","1") = "7"
    & skf18("8","5","1","6","7","9","1") = "8"
    & skf18("8","5","1","6","7","10","1") = "9"
    & skf18("8","5","1","6","8","1","1") = "7"
    & skf18("8","5","1","6","8","2","1") = "7"
    & skf18("8","5","1","6","8","3","1") = "7"
    & skf18("8","5","1","6","8","4","1") = "7"
    & skf18("8","5","1","6","8","5","1") = "7"
    & skf18("8","5","1","6","8","6","1") = "7"
    & skf18("8","5","1","6","8","7","1") = "7"
    & skf18("8","5","1","6","8","8","1") = "7"
    & skf18("8","5","1","6","8","9","1") = "8"
    & skf18("8","5","1","6","8","10","1") = "9"
    & skf18("8","5","1","6","9","1","1") = "8"
    & skf18("8","5","1","6","9","2","1") = "8"
    & skf18("8","5","1","6","9","3","1") = "8"
    & skf18("8","5","1","6","9","4","1") = "8"
    & skf18("8","5","1","6","9","5","1") = "8"
    & skf18("8","5","1","6","9","6","1") = "8"
    & skf18("8","5","1","6","9","7","1") = "8"
    & skf18("8","5","1","6","9","8","1") = "8"
    & skf18("8","5","1","6","9","9","1") = "8"
    & skf18("8","5","1","6","9","10","1") = "9"
    & skf18("8","5","1","6","10","1","1") = "9"
    & skf18("8","5","1","6","10","2","1") = "9"
    & skf18("8","5","1","6","10","3","1") = "9"
    & skf18("8","5","1","6","10","4","1") = "9"
    & skf18("8","5","1","6","10","5","1") = "9"
    & skf18("8","5","1","6","10","6","1") = "9"
    & skf18("8","5","1","6","10","7","1") = "9"
    & skf18("8","5","1","6","10","8","1") = "9"
    & skf18("8","5","1","6","10","9","1") = "9"
    & skf18("8","5","1","6","10","10","1") = "9"
    & skf18("8","5","1","7","1","1","1") = "7"
    & skf18("8","5","1","7","1","2","1") = "7"
    & skf18("8","5","1","7","1","3","1") = "7"
    & skf18("8","5","1","7","1","4","1") = "7"
    & skf18("8","5","1","7","1","5","1") = "7"
    & skf18("8","5","1","7","1","6","1") = "7"
    & skf18("8","5","1","7","1","7","1") = "7"
    & skf18("8","5","1","7","1","8","1") = "7"
    & skf18("8","5","1","7","1","9","1") = "8"
    & skf18("8","5","1","7","1","10","1") = "9"
    & skf18("8","5","1","7","2","1","1") = "7"
    & skf18("8","5","1","7","2","2","1") = "7"
    & skf18("8","5","1","7","2","3","1") = "7"
    & skf18("8","5","1","7","2","4","1") = "7"
    & skf18("8","5","1","7","2","5","1") = "7"
    & skf18("8","5","1","7","2","6","1") = "7"
    & skf18("8","5","1","7","2","7","1") = "7"
    & skf18("8","5","1","7","2","8","1") = "7"
    & skf18("8","5","1","7","2","9","1") = "8"
    & skf18("8","5","1","7","2","10","1") = "9"
    & skf18("8","5","1","7","3","1","1") = "7"
    & skf18("8","5","1","7","3","2","1") = "7"
    & skf18("8","5","1","7","3","3","1") = "7"
    & skf18("8","5","1","7","3","4","1") = "7"
    & skf18("8","5","1","7","3","5","1") = "7"
    & skf18("8","5","1","7","3","6","1") = "7"
    & skf18("8","5","1","7","3","7","1") = "7"
    & skf18("8","5","1","7","3","8","1") = "7"
    & skf18("8","5","1","7","3","9","1") = "8"
    & skf18("8","5","1","7","3","10","1") = "9"
    & skf18("8","5","1","7","4","1","1") = "7"
    & skf18("8","5","1","7","4","2","1") = "7"
    & skf18("8","5","1","7","4","3","1") = "7"
    & skf18("8","5","1","7","4","4","1") = "7"
    & skf18("8","5","1","7","4","5","1") = "7"
    & skf18("8","5","1","7","4","6","1") = "7"
    & skf18("8","5","1","7","4","7","1") = "7"
    & skf18("8","5","1","7","4","8","1") = "7"
    & skf18("8","5","1","7","4","9","1") = "8"
    & skf18("8","5","1","7","4","10","1") = "9"
    & skf18("8","5","1","7","5","1","1") = "7"
    & skf18("8","5","1","7","5","2","1") = "7"
    & skf18("8","5","1","7","5","3","1") = "7"
    & skf18("8","5","1","7","5","4","1") = "7"
    & skf18("8","5","1","7","5","5","1") = "7"
    & skf18("8","5","1","7","5","6","1") = "7"
    & skf18("8","5","1","7","5","7","1") = "7"
    & skf18("8","5","1","7","5","8","1") = "7"
    & skf18("8","5","1","7","5","9","1") = "8"
    & skf18("8","5","1","7","5","10","1") = "9"
    & skf18("8","5","1","7","6","1","1") = "7"
    & skf18("8","5","1","7","6","2","1") = "7"
    & skf18("8","5","1","7","6","3","1") = "7"
    & skf18("8","5","1","7","6","4","1") = "7"
    & skf18("8","5","1","7","6","5","1") = "7"
    & skf18("8","5","1","7","6","6","1") = "7"
    & skf18("8","5","1","7","6","7","1") = "7"
    & skf18("8","5","1","7","6","8","1") = "7"
    & skf18("8","5","1","7","6","9","1") = "8"
    & skf18("8","5","1","7","6","10","1") = "9"
    & skf18("8","5","1","7","7","1","1") = "7"
    & skf18("8","5","1","7","7","2","1") = "7"
    & skf18("8","5","1","7","7","3","1") = "7"
    & skf18("8","5","1","7","7","4","1") = "7"
    & skf18("8","5","1","7","7","5","1") = "7"
    & skf18("8","5","1","7","7","6","1") = "7"
    & skf18("8","5","1","7","7","7","1") = "7"
    & skf18("8","5","1","7","7","8","1") = "7"
    & skf18("8","5","1","7","7","9","1") = "8"
    & skf18("8","5","1","7","7","10","1") = "9"
    & skf18("8","5","1","7","8","1","1") = "7"
    & skf18("8","5","1","7","8","2","1") = "7"
    & skf18("8","5","1","7","8","3","1") = "7"
    & skf18("8","5","1","7","8","4","1") = "7"
    & skf18("8","5","1","7","8","5","1") = "7"
    & skf18("8","5","1","7","8","6","1") = "7"
    & skf18("8","5","1","7","8","7","1") = "7"
    & skf18("8","5","1","7","8","8","1") = "7"
    & skf18("8","5","1","7","8","9","1") = "8"
    & skf18("8","5","1","7","8","10","1") = "9"
    & skf18("8","5","1","7","9","1","1") = "8"
    & skf18("8","5","1","7","9","2","1") = "8"
    & skf18("8","5","1","7","9","3","1") = "8"
    & skf18("8","5","1","7","9","4","1") = "8"
    & skf18("8","5","1","7","9","5","1") = "8"
    & skf18("8","5","1","7","9","6","1") = "8"
    & skf18("8","5","1","7","9","7","1") = "8"
    & skf18("8","5","1","7","9","8","1") = "8"
    & skf18("8","5","1","7","9","9","1") = "8"
    & skf18("8","5","1","7","9","10","1") = "9"
    & skf18("8","5","1","7","10","1","1") = "9"
    & skf18("8","5","1","7","10","2","1") = "9"
    & skf18("8","5","1","7","10","3","1") = "9"
    & skf18("8","5","1","7","10","4","1") = "9"
    & skf18("8","5","1","7","10","5","1") = "9"
    & skf18("8","5","1","7","10","6","1") = "9"
    & skf18("8","5","1","7","10","7","1") = "9"
    & skf18("8","5","1","7","10","8","1") = "9"
    & skf18("8","5","1","7","10","9","1") = "9"
    & skf18("8","5","1","7","10","10","1") = "9"
    & skf18("8","5","1","8","1","1","1") = "7"
    & skf18("8","5","1","8","1","2","1") = "7"
    & skf18("8","5","1","8","1","3","1") = "7"
    & skf18("8","5","1","8","1","4","1") = "7"
    & skf18("8","5","1","8","1","5","1") = "7"
    & skf18("8","5","1","8","1","6","1") = "7"
    & skf18("8","5","1","8","1","7","1") = "7"
    & skf18("8","5","1","8","1","8","1") = "7"
    & skf18("8","5","1","8","1","9","1") = "8"
    & skf18("8","5","1","8","1","10","1") = "9"
    & skf18("8","5","1","8","2","1","1") = "7"
    & skf18("8","5","1","8","2","2","1") = "7"
    & skf18("8","5","1","8","2","3","1") = "7"
    & skf18("8","5","1","8","2","4","1") = "7"
    & skf18("8","5","1","8","2","5","1") = "7"
    & skf18("8","5","1","8","2","6","1") = "7"
    & skf18("8","5","1","8","2","7","1") = "7"
    & skf18("8","5","1","8","2","8","1") = "7"
    & skf18("8","5","1","8","2","9","1") = "8"
    & skf18("8","5","1","8","2","10","1") = "9"
    & skf18("8","5","1","8","3","1","1") = "7"
    & skf18("8","5","1","8","3","2","1") = "7"
    & skf18("8","5","1","8","3","3","1") = "7"
    & skf18("8","5","1","8","3","4","1") = "7"
    & skf18("8","5","1","8","3","5","1") = "7"
    & skf18("8","5","1","8","3","6","1") = "7"
    & skf18("8","5","1","8","3","7","1") = "7"
    & skf18("8","5","1","8","3","8","1") = "7"
    & skf18("8","5","1","8","3","9","1") = "8"
    & skf18("8","5","1","8","3","10","1") = "9"
    & skf18("8","5","1","8","4","1","1") = "7"
    & skf18("8","5","1","8","4","2","1") = "7"
    & skf18("8","5","1","8","4","3","1") = "7"
    & skf18("8","5","1","8","4","4","1") = "7"
    & skf18("8","5","1","8","4","5","1") = "7"
    & skf18("8","5","1","8","4","6","1") = "7"
    & skf18("8","5","1","8","4","7","1") = "7"
    & skf18("8","5","1","8","4","8","1") = "7"
    & skf18("8","5","1","8","4","9","1") = "8"
    & skf18("8","5","1","8","4","10","1") = "9"
    & skf18("8","5","1","8","5","1","1") = "7"
    & skf18("8","5","1","8","5","2","1") = "7"
    & skf18("8","5","1","8","5","3","1") = "7"
    & skf18("8","5","1","8","5","4","1") = "7"
    & skf18("8","5","1","8","5","5","1") = "7"
    & skf18("8","5","1","8","5","6","1") = "7"
    & skf18("8","5","1","8","5","7","1") = "7"
    & skf18("8","5","1","8","5","8","1") = "7"
    & skf18("8","5","1","8","5","9","1") = "8"
    & skf18("8","5","1","8","5","10","1") = "9"
    & skf18("8","5","1","8","6","1","1") = "7"
    & skf18("8","5","1","8","6","2","1") = "7"
    & skf18("8","5","1","8","6","3","1") = "7"
    & skf18("8","5","1","8","6","4","1") = "7"
    & skf18("8","5","1","8","6","5","1") = "7"
    & skf18("8","5","1","8","6","6","1") = "7"
    & skf18("8","5","1","8","6","7","1") = "7"
    & skf18("8","5","1","8","6","8","1") = "7"
    & skf18("8","5","1","8","6","9","1") = "8"
    & skf18("8","5","1","8","6","10","1") = "9"
    & skf18("8","5","1","8","7","1","1") = "7"
    & skf18("8","5","1","8","7","2","1") = "7"
    & skf18("8","5","1","8","7","3","1") = "7"
    & skf18("8","5","1","8","7","4","1") = "7"
    & skf18("8","5","1","8","7","5","1") = "7"
    & skf18("8","5","1","8","7","6","1") = "7"
    & skf18("8","5","1","8","7","7","1") = "7"
    & skf18("8","5","1","8","7","8","1") = "7"
    & skf18("8","5","1","8","7","9","1") = "8"
    & skf18("8","5","1","8","7","10","1") = "9"
    & skf18("8","5","1","8","8","1","1") = "7"
    & skf18("8","5","1","8","8","2","1") = "7"
    & skf18("8","5","1","8","8","3","1") = "7"
    & skf18("8","5","1","8","8","4","1") = "7"
    & skf18("8","5","1","8","8","5","1") = "7"
    & skf18("8","5","1","8","8","6","1") = "7"
    & skf18("8","5","1","8","8","7","1") = "7"
    & skf18("8","5","1","8","8","8","1") = "7"
    & skf18("8","5","1","8","8","9","1") = "8"
    & skf18("8","5","1","8","8","10","1") = "9"
    & skf18("8","5","1","8","9","1","1") = "8"
    & skf18("8","5","1","8","9","2","1") = "8"
    & skf18("8","5","1","8","9","3","1") = "8"
    & skf18("8","5","1","8","9","4","1") = "8"
    & skf18("8","5","1","8","9","5","1") = "8"
    & skf18("8","5","1","8","9","6","1") = "8"
    & skf18("8","5","1","8","9","7","1") = "8"
    & skf18("8","5","1","8","9","8","1") = "8"
    & skf18("8","5","1","8","9","9","1") = "8"
    & skf18("8","5","1","8","9","10","1") = "9"
    & skf18("8","5","1","8","10","1","1") = "9"
    & skf18("8","5","1","8","10","2","1") = "9"
    & skf18("8","5","1","8","10","3","1") = "9"
    & skf18("8","5","1","8","10","4","1") = "9"
    & skf18("8","5","1","8","10","5","1") = "9"
    & skf18("8","5","1","8","10","6","1") = "9"
    & skf18("8","5","1","8","10","7","1") = "9"
    & skf18("8","5","1","8","10","8","1") = "9"
    & skf18("8","5","1","8","10","9","1") = "9"
    & skf18("8","5","1","8","10","10","1") = "9"
    & skf18("8","5","1","9","1","1","1") = "8"
    & skf18("8","5","1","9","1","2","1") = "8"
    & skf18("8","5","1","9","1","3","1") = "8"
    & skf18("8","5","1","9","1","4","1") = "8"
    & skf18("8","5","1","9","1","5","1") = "8"
    & skf18("8","5","1","9","1","6","1") = "8"
    & skf18("8","5","1","9","1","7","1") = "8"
    & skf18("8","5","1","9","1","8","1") = "8"
    & skf18("8","5","1","9","1","9","1") = "8"
    & skf18("8","5","1","9","1","10","1") = "9"
    & skf18("8","5","1","9","2","1","1") = "8"
    & skf18("8","5","1","9","2","2","1") = "8"
    & skf18("8","5","1","9","2","3","1") = "8"
    & skf18("8","5","1","9","2","4","1") = "8"
    & skf18("8","5","1","9","2","5","1") = "8"
    & skf18("8","5","1","9","2","6","1") = "8"
    & skf18("8","5","1","9","2","7","1") = "8"
    & skf18("8","5","1","9","2","8","1") = "8"
    & skf18("8","5","1","9","2","9","1") = "8"
    & skf18("8","5","1","9","2","10","1") = "9"
    & skf18("8","5","1","9","3","1","1") = "8"
    & skf18("8","5","1","9","3","2","1") = "8"
    & skf18("8","5","1","9","3","3","1") = "8"
    & skf18("8","5","1","9","3","4","1") = "8"
    & skf18("8","5","1","9","3","5","1") = "8"
    & skf18("8","5","1","9","3","6","1") = "8"
    & skf18("8","5","1","9","3","7","1") = "8"
    & skf18("8","5","1","9","3","8","1") = "8"
    & skf18("8","5","1","9","3","9","1") = "8"
    & skf18("8","5","1","9","3","10","1") = "9"
    & skf18("8","5","1","9","4","1","1") = "8"
    & skf18("8","5","1","9","4","2","1") = "8"
    & skf18("8","5","1","9","4","3","1") = "8"
    & skf18("8","5","1","9","4","4","1") = "8"
    & skf18("8","5","1","9","4","5","1") = "8"
    & skf18("8","5","1","9","4","6","1") = "8"
    & skf18("8","5","1","9","4","7","1") = "8"
    & skf18("8","5","1","9","4","8","1") = "8"
    & skf18("8","5","1","9","4","9","1") = "8"
    & skf18("8","5","1","9","4","10","1") = "9"
    & skf18("8","5","1","9","5","1","1") = "8"
    & skf18("8","5","1","9","5","2","1") = "8"
    & skf18("8","5","1","9","5","3","1") = "8"
    & skf18("8","5","1","9","5","4","1") = "8"
    & skf18("8","5","1","9","5","5","1") = "8"
    & skf18("8","5","1","9","5","6","1") = "8"
    & skf18("8","5","1","9","5","7","1") = "8"
    & skf18("8","5","1","9","5","8","1") = "8"
    & skf18("8","5","1","9","5","9","1") = "8"
    & skf18("8","5","1","9","5","10","1") = "9"
    & skf18("8","5","1","9","6","1","1") = "8"
    & skf18("8","5","1","9","6","2","1") = "8"
    & skf18("8","5","1","9","6","3","1") = "8"
    & skf18("8","5","1","9","6","4","1") = "8"
    & skf18("8","5","1","9","6","5","1") = "8"
    & skf18("8","5","1","9","6","6","1") = "8"
    & skf18("8","5","1","9","6","7","1") = "8"
    & skf18("8","5","1","9","6","8","1") = "8"
    & skf18("8","5","1","9","6","9","1") = "8"
    & skf18("8","5","1","9","6","10","1") = "9"
    & skf18("8","5","1","9","7","1","1") = "8"
    & skf18("8","5","1","9","7","2","1") = "8"
    & skf18("8","5","1","9","7","3","1") = "8"
    & skf18("8","5","1","9","7","4","1") = "8"
    & skf18("8","5","1","9","7","5","1") = "8"
    & skf18("8","5","1","9","7","6","1") = "8"
    & skf18("8","5","1","9","7","7","1") = "8"
    & skf18("8","5","1","9","7","8","1") = "8"
    & skf18("8","5","1","9","7","9","1") = "8"
    & skf18("8","5","1","9","7","10","1") = "9"
    & skf18("8","5","1","9","8","1","1") = "8"
    & skf18("8","5","1","9","8","2","1") = "8"
    & skf18("8","5","1","9","8","3","1") = "8"
    & skf18("8","5","1","9","8","4","1") = "8"
    & skf18("8","5","1","9","8","5","1") = "8"
    & skf18("8","5","1","9","8","6","1") = "8"
    & skf18("8","5","1","9","8","7","1") = "8"
    & skf18("8","5","1","9","8","8","1") = "8"
    & skf18("8","5","1","9","8","9","1") = "8"
    & skf18("8","5","1","9","8","10","1") = "9"
    & skf18("8","5","1","9","9","1","1") = "8"
    & skf18("8","5","1","9","9","2","1") = "8"
    & skf18("8","5","1","9","9","3","1") = "8"
    & skf18("8","5","1","9","9","4","1") = "8"
    & skf18("8","5","1","9","9","5","1") = "8"
    & skf18("8","5","1","9","9","6","1") = "8"
    & skf18("8","5","1","9","9","7","1") = "8"
    & skf18("8","5","1","9","9","8","1") = "8"
    & skf18("8","5","1","9","9","9","1") = "8"
    & skf18("8","5","1","9","9","10","1") = "9"
    & skf18("8","5","1","9","10","1","1") = "9"
    & skf18("8","5","1","9","10","2","1") = "9"
    & skf18("8","5","1","9","10","3","1") = "9"
    & skf18("8","5","1","9","10","4","1") = "9"
    & skf18("8","5","1","9","10","5","1") = "9"
    & skf18("8","5","1","9","10","6","1") = "9"
    & skf18("8","5","1","9","10","7","1") = "9"
    & skf18("8","5","1","9","10","8","1") = "9"
    & skf18("8","5","1","9","10","9","1") = "9"
    & skf18("8","5","1","9","10","10","1") = "9"
    & skf18("8","5","1","10","1","1","1") = "9"
    & skf18("8","5","1","10","1","2","1") = "9"
    & skf18("8","5","1","10","1","3","1") = "9"
    & skf18("8","5","1","10","1","4","1") = "9"
    & skf18("8","5","1","10","1","5","1") = "9"
    & skf18("8","5","1","10","1","6","1") = "9"
    & skf18("8","5","1","10","1","7","1") = "9"
    & skf18("8","5","1","10","1","8","1") = "9"
    & skf18("8","5","1","10","1","9","1") = "9"
    & skf18("8","5","1","10","1","10","1") = "9"
    & skf18("8","5","1","10","2","1","1") = "9"
    & skf18("8","5","1","10","2","2","1") = "9"
    & skf18("8","5","1","10","2","3","1") = "9"
    & skf18("8","5","1","10","2","4","1") = "9"
    & skf18("8","5","1","10","2","5","1") = "9"
    & skf18("8","5","1","10","2","6","1") = "9"
    & skf18("8","5","1","10","2","7","1") = "9"
    & skf18("8","5","1","10","2","8","1") = "9"
    & skf18("8","5","1","10","2","9","1") = "9"
    & skf18("8","5","1","10","2","10","1") = "9"
    & skf18("8","5","1","10","3","1","1") = "9"
    & skf18("8","5","1","10","3","2","1") = "9"
    & skf18("8","5","1","10","3","3","1") = "9"
    & skf18("8","5","1","10","3","4","1") = "9"
    & skf18("8","5","1","10","3","5","1") = "9"
    & skf18("8","5","1","10","3","6","1") = "9"
    & skf18("8","5","1","10","3","7","1") = "9"
    & skf18("8","5","1","10","3","8","1") = "9"
    & skf18("8","5","1","10","3","9","1") = "9"
    & skf18("8","5","1","10","3","10","1") = "9"
    & skf18("8","5","1","10","4","1","1") = "9"
    & skf18("8","5","1","10","4","2","1") = "9"
    & skf18("8","5","1","10","4","3","1") = "9"
    & skf18("8","5","1","10","4","4","1") = "9"
    & skf18("8","5","1","10","4","5","1") = "9"
    & skf18("8","5","1","10","4","6","1") = "9"
    & skf18("8","5","1","10","4","7","1") = "9"
    & skf18("8","5","1","10","4","8","1") = "9"
    & skf18("8","5","1","10","4","9","1") = "9"
    & skf18("8","5","1","10","4","10","1") = "9"
    & skf18("8","5","1","10","5","1","1") = "9"
    & skf18("8","5","1","10","5","2","1") = "9"
    & skf18("8","5","1","10","5","3","1") = "9"
    & skf18("8","5","1","10","5","4","1") = "9"
    & skf18("8","5","1","10","5","5","1") = "9"
    & skf18("8","5","1","10","5","6","1") = "9"
    & skf18("8","5","1","10","5","7","1") = "9"
    & skf18("8","5","1","10","5","8","1") = "9"
    & skf18("8","5","1","10","5","9","1") = "9"
    & skf18("8","5","1","10","5","10","1") = "9"
    & skf18("8","5","1","10","6","1","1") = "9"
    & skf18("8","5","1","10","6","2","1") = "9"
    & skf18("8","5","1","10","6","3","1") = "9"
    & skf18("8","5","1","10","6","4","1") = "9"
    & skf18("8","5","1","10","6","5","1") = "9"
    & skf18("8","5","1","10","6","6","1") = "9"
    & skf18("8","5","1","10","6","7","1") = "9"
    & skf18("8","5","1","10","6","8","1") = "9"
    & skf18("8","5","1","10","6","9","1") = "9"
    & skf18("8","5","1","10","6","10","1") = "9"
    & skf18("8","5","1","10","7","1","1") = "9"
    & skf18("8","5","1","10","7","2","1") = "9"
    & skf18("8","5","1","10","7","3","1") = "9"
    & skf18("8","5","1","10","7","4","1") = "9"
    & skf18("8","5","1","10","7","5","1") = "9"
    & skf18("8","5","1","10","7","6","1") = "9"
    & skf18("8","5","1","10","7","7","1") = "9"
    & skf18("8","5","1","10","7","8","1") = "9"
    & skf18("8","5","1","10","7","9","1") = "9"
    & skf18("8","5","1","10","7","10","1") = "9"
    & skf18("8","5","1","10","8","1","1") = "9"
    & skf18("8","5","1","10","8","2","1") = "9"
    & skf18("8","5","1","10","8","3","1") = "9"
    & skf18("8","5","1","10","8","4","1") = "9"
    & skf18("8","5","1","10","8","5","1") = "9"
    & skf18("8","5","1","10","8","6","1") = "9"
    & skf18("8","5","1","10","8","7","1") = "9"
    & skf18("8","5","1","10","8","8","1") = "9"
    & skf18("8","5","1","10","8","9","1") = "9"
    & skf18("8","5","1","10","8","10","1") = "9"
    & skf18("8","5","1","10","9","1","1") = "9"
    & skf18("8","5","1","10","9","2","1") = "9"
    & skf18("8","5","1","10","9","3","1") = "9"
    & skf18("8","5","1","10","9","4","1") = "9"
    & skf18("8","5","1","10","9","5","1") = "9"
    & skf18("8","5","1","10","9","6","1") = "9"
    & skf18("8","5","1","10","9","7","1") = "9"
    & skf18("8","5","1","10","9","8","1") = "9"
    & skf18("8","5","1","10","9","9","1") = "9"
    & skf18("8","5","1","10","9","10","1") = "9"
    & skf18("8","5","1","10","10","1","1") = "9"
    & skf18("8","5","1","10","10","2","1") = "9"
    & skf18("8","5","1","10","10","3","1") = "9"
    & skf18("8","5","1","10","10","4","1") = "9"
    & skf18("8","5","1","10","10","5","1") = "9"
    & skf18("8","5","1","10","10","6","1") = "9"
    & skf18("8","5","1","10","10","7","1") = "9"
    & skf18("8","5","1","10","10","8","1") = "9"
    & skf18("8","5","1","10","10","9","1") = "9"
    & skf18("8","5","1","10","10","10","1") = "9"
    & skf18("8","5","2","1","1","1","1") = "7"
    & skf18("8","5","2","1","1","2","1") = "7"
    & skf18("8","5","2","1","1","3","1") = "7"
    & skf18("8","5","2","1","1","4","1") = "7"
    & skf18("8","5","2","1","1","5","1") = "7"
    & skf18("8","5","2","1","1","6","1") = "7"
    & skf18("8","5","2","1","1","7","1") = "7"
    & skf18("8","5","2","1","1","8","1") = "7"
    & skf18("8","5","2","1","1","9","1") = "8"
    & skf18("8","5","2","1","1","10","1") = "9"
    & skf18("8","5","2","1","2","1","1") = "7"
    & skf18("8","5","2","1","2","2","1") = "7"
    & skf18("8","5","2","1","2","3","1") = "7"
    & skf18("8","5","2","1","2","4","1") = "7"
    & skf18("8","5","2","1","2","5","1") = "7"
    & skf18("8","5","2","1","2","6","1") = "7"
    & skf18("8","5","2","1","2","7","1") = "7"
    & skf18("8","5","2","1","2","8","1") = "7"
    & skf18("8","5","2","1","2","9","1") = "8"
    & skf18("8","5","2","1","2","10","1") = "9"
    & skf18("8","5","2","1","3","1","1") = "7"
    & skf18("8","5","2","1","3","2","1") = "7"
    & skf18("8","5","2","1","3","3","1") = "7"
    & skf18("8","5","2","1","3","4","1") = "7"
    & skf18("8","5","2","1","3","5","1") = "7"
    & skf18("8","5","2","1","3","6","1") = "7"
    & skf18("8","5","2","1","3","7","1") = "7"
    & skf18("8","5","2","1","3","8","1") = "7"
    & skf18("8","5","2","1","3","9","1") = "8"
    & skf18("8","5","2","1","3","10","1") = "9"
    & skf18("8","5","2","1","4","1","1") = "7"
    & skf18("8","5","2","1","4","2","1") = "7"
    & skf18("8","5","2","1","4","3","1") = "7"
    & skf18("8","5","2","1","4","4","1") = "7"
    & skf18("8","5","2","1","4","5","1") = "7"
    & skf18("8","5","2","1","4","6","1") = "7"
    & skf18("8","5","2","1","4","7","1") = "7"
    & skf18("8","5","2","1","4","8","1") = "7"
    & skf18("8","5","2","1","4","9","1") = "8"
    & skf18("8","5","2","1","4","10","1") = "9"
    & skf18("8","5","2","1","5","1","1") = "7"
    & skf18("8","5","2","1","5","2","1") = "7"
    & skf18("8","5","2","1","5","3","1") = "7"
    & skf18("8","5","2","1","5","4","1") = "7"
    & skf18("8","5","2","1","5","5","1") = "7"
    & skf18("8","5","2","1","5","6","1") = "7"
    & skf18("8","5","2","1","5","7","1") = "7"
    & skf18("8","5","2","1","5","8","1") = "7"
    & skf18("8","5","2","1","5","9","1") = "8"
    & skf18("8","5","2","1","5","10","1") = "9"
    & skf18("8","5","2","1","6","1","1") = "7"
    & skf18("8","5","2","1","6","2","1") = "7"
    & skf18("8","5","2","1","6","3","1") = "7"
    & skf18("8","5","2","1","6","4","1") = "7"
    & skf18("8","5","2","1","6","5","1") = "7"
    & skf18("8","5","2","1","6","6","1") = "7"
    & skf18("8","5","2","1","6","7","1") = "7"
    & skf18("8","5","2","1","6","8","1") = "7"
    & skf18("8","5","2","1","6","9","1") = "8"
    & skf18("8","5","2","1","6","10","1") = "9"
    & skf18("8","5","2","1","7","1","1") = "7"
    & skf18("8","5","2","1","7","2","1") = "7"
    & skf18("8","5","2","1","7","3","1") = "7"
    & skf18("8","5","2","1","7","4","1") = "7"
    & skf18("8","5","2","1","7","5","1") = "7"
    & skf18("8","5","2","1","7","6","1") = "7"
    & skf18("8","5","2","1","7","7","1") = "7"
    & skf18("8","5","2","1","7","8","1") = "7"
    & skf18("8","5","2","1","7","9","1") = "8"
    & skf18("8","5","2","1","7","10","1") = "9"
    & skf18("8","5","2","1","8","1","1") = "7"
    & skf18("8","5","2","1","8","2","1") = "7"
    & skf18("8","5","2","1","8","3","1") = "7"
    & skf18("8","5","2","1","8","4","1") = "7"
    & skf18("8","5","2","1","8","5","1") = "7"
    & skf18("8","5","2","1","8","6","1") = "7"
    & skf18("8","5","2","1","8","7","1") = "7"
    & skf18("8","5","2","1","8","8","1") = "7"
    & skf18("8","5","2","1","8","9","1") = "8"
    & skf18("8","5","2","1","8","10","1") = "9"
    & skf18("8","5","2","1","9","1","1") = "8"
    & skf18("8","5","2","1","9","2","1") = "8"
    & skf18("8","5","2","1","9","3","1") = "8"
    & skf18("8","5","2","1","9","4","1") = "8"
    & skf18("8","5","2","1","9","5","1") = "8"
    & skf18("8","5","2","1","9","6","1") = "8"
    & skf18("8","5","2","1","9","7","1") = "8"
    & skf18("8","5","2","1","9","8","1") = "8"
    & skf18("8","5","2","1","9","9","1") = "8"
    & skf18("8","5","2","1","9","10","1") = "9"
    & skf18("8","5","2","1","10","1","1") = "9"
    & skf18("8","5","2","1","10","2","1") = "9"
    & skf18("8","5","2","1","10","3","1") = "9"
    & skf18("8","5","2","1","10","4","1") = "9"
    & skf18("8","5","2","1","10","5","1") = "9"
    & skf18("8","5","2","1","10","6","1") = "9"
    & skf18("8","5","2","1","10","7","1") = "9"
    & skf18("8","5","2","1","10","8","1") = "9"
    & skf18("8","5","2","1","10","9","1") = "9"
    & skf18("8","5","2","1","10","10","1") = "9"
    & skf18("8","5","2","2","1","1","1") = "7"
    & skf18("8","5","2","2","1","2","1") = "7"
    & skf18("8","5","2","2","1","3","1") = "7"
    & skf18("8","5","2","2","1","4","1") = "7"
    & skf18("8","5","2","2","1","5","1") = "7"
    & skf18("8","5","2","2","1","6","1") = "7"
    & skf18("8","5","2","2","1","7","1") = "7"
    & skf18("8","5","2","2","1","8","1") = "7"
    & skf18("8","5","2","2","1","9","1") = "8"
    & skf18("8","5","2","2","1","10","1") = "9"
    & skf18("8","5","2","2","2","1","1") = "7"
    & skf18("8","5","2","2","2","2","1") = "7"
    & skf18("8","5","2","2","2","3","1") = "7"
    & skf18("8","5","2","2","2","4","1") = "7"
    & skf18("8","5","2","2","2","5","1") = "7"
    & skf18("8","5","2","2","2","6","1") = "7"
    & skf18("8","5","2","2","2","7","1") = "7"
    & skf18("8","5","2","2","2","8","1") = "7"
    & skf18("8","5","2","2","2","9","1") = "8"
    & skf18("8","5","2","2","2","10","1") = "9"
    & skf18("8","5","2","2","3","1","1") = "7"
    & skf18("8","5","2","2","3","2","1") = "7"
    & skf18("8","5","2","2","3","3","1") = "7"
    & skf18("8","5","2","2","3","4","1") = "7"
    & skf18("8","5","2","2","3","5","1") = "7"
    & skf18("8","5","2","2","3","6","1") = "7"
    & skf18("8","5","2","2","3","7","1") = "7"
    & skf18("8","5","2","2","3","8","1") = "7"
    & skf18("8","5","2","2","3","9","1") = "8"
    & skf18("8","5","2","2","3","10","1") = "9"
    & skf18("8","5","2","2","4","1","1") = "7"
    & skf18("8","5","2","2","4","2","1") = "7"
    & skf18("8","5","2","2","4","3","1") = "7"
    & skf18("8","5","2","2","4","4","1") = "7"
    & skf18("8","5","2","2","4","5","1") = "7"
    & skf18("8","5","2","2","4","6","1") = "7"
    & skf18("8","5","2","2","4","7","1") = "7"
    & skf18("8","5","2","2","4","8","1") = "7"
    & skf18("8","5","2","2","4","9","1") = "8"
    & skf18("8","5","2","2","4","10","1") = "9"
    & skf18("8","5","2","2","5","1","1") = "7"
    & skf18("8","5","2","2","5","2","1") = "7"
    & skf18("8","5","2","2","5","3","1") = "7"
    & skf18("8","5","2","2","5","4","1") = "7"
    & skf18("8","5","2","2","5","5","1") = "7"
    & skf18("8","5","2","2","5","6","1") = "7"
    & skf18("8","5","2","2","5","7","1") = "7"
    & skf18("8","5","2","2","5","8","1") = "7"
    & skf18("8","5","2","2","5","9","1") = "8"
    & skf18("8","5","2","2","5","10","1") = "9"
    & skf18("8","5","2","2","6","1","1") = "7"
    & skf18("8","5","2","2","6","2","1") = "7"
    & skf18("8","5","2","2","6","3","1") = "7"
    & skf18("8","5","2","2","6","4","1") = "7"
    & skf18("8","5","2","2","6","5","1") = "7"
    & skf18("8","5","2","2","6","6","1") = "7"
    & skf18("8","5","2","2","6","7","1") = "7"
    & skf18("8","5","2","2","6","8","1") = "7"
    & skf18("8","5","2","2","6","9","1") = "8"
    & skf18("8","5","2","2","6","10","1") = "9"
    & skf18("8","5","2","2","7","1","1") = "7"
    & skf18("8","5","2","2","7","2","1") = "7"
    & skf18("8","5","2","2","7","3","1") = "7"
    & skf18("8","5","2","2","7","4","1") = "7"
    & skf18("8","5","2","2","7","5","1") = "7"
    & skf18("8","5","2","2","7","6","1") = "7"
    & skf18("8","5","2","2","7","7","1") = "7"
    & skf18("8","5","2","2","7","8","1") = "7"
    & skf18("8","5","2","2","7","9","1") = "8"
    & skf18("8","5","2","2","7","10","1") = "9"
    & skf18("8","5","2","2","8","1","1") = "7"
    & skf18("8","5","2","2","8","2","1") = "7"
    & skf18("8","5","2","2","8","3","1") = "7"
    & skf18("8","5","2","2","8","4","1") = "7"
    & skf18("8","5","2","2","8","5","1") = "7"
    & skf18("8","5","2","2","8","6","1") = "7"
    & skf18("8","5","2","2","8","7","1") = "7"
    & skf18("8","5","2","2","8","8","1") = "7"
    & skf18("8","5","2","2","8","9","1") = "8"
    & skf18("8","5","2","2","8","10","1") = "9"
    & skf18("8","5","2","2","9","1","1") = "8"
    & skf18("8","5","2","2","9","2","1") = "8"
    & skf18("8","5","2","2","9","3","1") = "8"
    & skf18("8","5","2","2","9","4","1") = "8"
    & skf18("8","5","2","2","9","5","1") = "8"
    & skf18("8","5","2","2","9","6","1") = "8"
    & skf18("8","5","2","2","9","7","1") = "8"
    & skf18("8","5","2","2","9","8","1") = "8"
    & skf18("8","5","2","2","9","9","1") = "8"
    & skf18("8","5","2","2","9","10","1") = "9"
    & skf18("8","5","2","2","10","1","1") = "9"
    & skf18("8","5","2","2","10","2","1") = "9"
    & skf18("8","5","2","2","10","3","1") = "9"
    & skf18("8","5","2","2","10","4","1") = "9"
    & skf18("8","5","2","2","10","5","1") = "9"
    & skf18("8","5","2","2","10","6","1") = "9"
    & skf18("8","5","2","2","10","7","1") = "9"
    & skf18("8","5","2","2","10","8","1") = "9"
    & skf18("8","5","2","2","10","9","1") = "9"
    & skf18("8","5","2","2","10","10","1") = "9"
    & skf18("8","5","2","3","1","1","1") = "7"
    & skf18("8","5","2","3","1","2","1") = "7"
    & skf18("8","5","2","3","1","3","1") = "7"
    & skf18("8","5","2","3","1","4","1") = "7"
    & skf18("8","5","2","3","1","5","1") = "7"
    & skf18("8","5","2","3","1","6","1") = "7"
    & skf18("8","5","2","3","1","7","1") = "7"
    & skf18("8","5","2","3","1","8","1") = "7"
    & skf18("8","5","2","3","1","9","1") = "8"
    & skf18("8","5","2","3","1","10","1") = "9"
    & skf18("8","5","2","3","2","1","1") = "7"
    & skf18("8","5","2","3","2","2","1") = "7"
    & skf18("8","5","2","3","2","3","1") = "7"
    & skf18("8","5","2","3","2","4","1") = "7"
    & skf18("8","5","2","3","2","5","1") = "7"
    & skf18("8","5","2","3","2","6","1") = "7"
    & skf18("8","5","2","3","2","7","1") = "7"
    & skf18("8","5","2","3","2","8","1") = "7"
    & skf18("8","5","2","3","2","9","1") = "8"
    & skf18("8","5","2","3","2","10","1") = "9"
    & skf18("8","5","2","3","3","1","1") = "7"
    & skf18("8","5","2","3","3","2","1") = "7"
    & skf18("8","5","2","3","3","3","1") = "7"
    & skf18("8","5","2","3","3","4","1") = "7"
    & skf18("8","5","2","3","3","5","1") = "7"
    & skf18("8","5","2","3","3","6","1") = "7"
    & skf18("8","5","2","3","3","7","1") = "7"
    & skf18("8","5","2","3","3","8","1") = "7"
    & skf18("8","5","2","3","3","9","1") = "8"
    & skf18("8","5","2","3","3","10","1") = "9"
    & skf18("8","5","2","3","4","1","1") = "7"
    & skf18("8","5","2","3","4","2","1") = "7"
    & skf18("8","5","2","3","4","3","1") = "7"
    & skf18("8","5","2","3","4","4","1") = "7"
    & skf18("8","5","2","3","4","5","1") = "7"
    & skf18("8","5","2","3","4","6","1") = "7"
    & skf18("8","5","2","3","4","7","1") = "7"
    & skf18("8","5","2","3","4","8","1") = "7"
    & skf18("8","5","2","3","4","9","1") = "8"
    & skf18("8","5","2","3","4","10","1") = "9"
    & skf18("8","5","2","3","5","1","1") = "7"
    & skf18("8","5","2","3","5","2","1") = "7"
    & skf18("8","5","2","3","5","3","1") = "7"
    & skf18("8","5","2","3","5","4","1") = "7"
    & skf18("8","5","2","3","5","5","1") = "7"
    & skf18("8","5","2","3","5","6","1") = "7"
    & skf18("8","5","2","3","5","7","1") = "7"
    & skf18("8","5","2","3","5","8","1") = "7"
    & skf18("8","5","2","3","5","9","1") = "8"
    & skf18("8","5","2","3","5","10","1") = "9"
    & skf18("8","5","2","3","6","1","1") = "7"
    & skf18("8","5","2","3","6","2","1") = "7"
    & skf18("8","5","2","3","6","3","1") = "7"
    & skf18("8","5","2","3","6","4","1") = "7"
    & skf18("8","5","2","3","6","5","1") = "7"
    & skf18("8","5","2","3","6","6","1") = "7"
    & skf18("8","5","2","3","6","7","1") = "7"
    & skf18("8","5","2","3","6","8","1") = "7"
    & skf18("8","5","2","3","6","9","1") = "8"
    & skf18("8","5","2","3","6","10","1") = "9"
    & skf18("8","5","2","3","7","1","1") = "7"
    & skf18("8","5","2","3","7","2","1") = "7"
    & skf18("8","5","2","3","7","3","1") = "7"
    & skf18("8","5","2","3","7","4","1") = "7"
    & skf18("8","5","2","3","7","5","1") = "7"
    & skf18("8","5","2","3","7","6","1") = "7"
    & skf18("8","5","2","3","7","7","1") = "7"
    & skf18("8","5","2","3","7","8","1") = "7"
    & skf18("8","5","2","3","7","9","1") = "8"
    & skf18("8","5","2","3","7","10","1") = "9"
    & skf18("8","5","2","3","8","1","1") = "7"
    & skf18("8","5","2","3","8","2","1") = "7"
    & skf18("8","5","2","3","8","3","1") = "7"
    & skf18("8","5","2","3","8","4","1") = "7"
    & skf18("8","5","2","3","8","5","1") = "7"
    & skf18("8","5","2","3","8","6","1") = "7"
    & skf18("8","5","2","3","8","7","1") = "7"
    & skf18("8","5","2","3","8","8","1") = "7"
    & skf18("8","5","2","3","8","9","1") = "8"
    & skf18("8","5","2","3","8","10","1") = "9"
    & skf18("8","5","2","3","9","1","1") = "8"
    & skf18("8","5","2","3","9","2","1") = "8"
    & skf18("8","5","2","3","9","3","1") = "8"
    & skf18("8","5","2","3","9","4","1") = "8"
    & skf18("8","5","2","3","9","5","1") = "8"
    & skf18("8","5","2","3","9","6","1") = "8"
    & skf18("8","5","2","3","9","7","1") = "8"
    & skf18("8","5","2","3","9","8","1") = "8"
    & skf18("8","5","2","3","9","9","1") = "8"
    & skf18("8","5","2","3","9","10","1") = "9"
    & skf18("8","5","2","3","10","1","1") = "9"
    & skf18("8","5","2","3","10","2","1") = "9"
    & skf18("8","5","2","3","10","3","1") = "9"
    & skf18("8","5","2","3","10","4","1") = "9"
    & skf18("8","5","2","3","10","5","1") = "9"
    & skf18("8","5","2","3","10","6","1") = "9"
    & skf18("8","5","2","3","10","7","1") = "9"
    & skf18("8","5","2","3","10","8","1") = "9"
    & skf18("8","5","2","3","10","9","1") = "9"
    & skf18("8","5","2","3","10","10","1") = "9"
    & skf18("8","5","2","4","1","1","1") = "7"
    & skf18("8","5","2","4","1","2","1") = "7"
    & skf18("8","5","2","4","1","3","1") = "7"
    & skf18("8","5","2","4","1","4","1") = "7"
    & skf18("8","5","2","4","1","5","1") = "7"
    & skf18("8","5","2","4","1","6","1") = "7"
    & skf18("8","5","2","4","1","7","1") = "7"
    & skf18("8","5","2","4","1","8","1") = "7"
    & skf18("8","5","2","4","1","9","1") = "8"
    & skf18("8","5","2","4","1","10","1") = "9"
    & skf18("8","5","2","4","2","1","1") = "7"
    & skf18("8","5","2","4","2","2","1") = "7"
    & skf18("8","5","2","4","2","3","1") = "7"
    & skf18("8","5","2","4","2","4","1") = "7"
    & skf18("8","5","2","4","2","5","1") = "7"
    & skf18("8","5","2","4","2","6","1") = "7"
    & skf18("8","5","2","4","2","7","1") = "7"
    & skf18("8","5","2","4","2","8","1") = "7"
    & skf18("8","5","2","4","2","9","1") = "8"
    & skf18("8","5","2","4","2","10","1") = "9"
    & skf18("8","5","2","4","3","1","1") = "7"
    & skf18("8","5","2","4","3","2","1") = "7"
    & skf18("8","5","2","4","3","3","1") = "7"
    & skf18("8","5","2","4","3","4","1") = "7"
    & skf18("8","5","2","4","3","5","1") = "7"
    & skf18("8","5","2","4","3","6","1") = "7"
    & skf18("8","5","2","4","3","7","1") = "7"
    & skf18("8","5","2","4","3","8","1") = "7"
    & skf18("8","5","2","4","3","9","1") = "8"
    & skf18("8","5","2","4","3","10","1") = "9"
    & skf18("8","5","2","4","4","1","1") = "7"
    & skf18("8","5","2","4","4","2","1") = "7"
    & skf18("8","5","2","4","4","3","1") = "7"
    & skf18("8","5","2","4","4","4","1") = "7"
    & skf18("8","5","2","4","4","5","1") = "7"
    & skf18("8","5","2","4","4","6","1") = "7"
    & skf18("8","5","2","4","4","7","1") = "7"
    & skf18("8","5","2","4","4","8","1") = "7"
    & skf18("8","5","2","4","4","9","1") = "8"
    & skf18("8","5","2","4","4","10","1") = "9"
    & skf18("8","5","2","4","5","1","1") = "7"
    & skf18("8","5","2","4","5","2","1") = "7"
    & skf18("8","5","2","4","5","3","1") = "7"
    & skf18("8","5","2","4","5","4","1") = "7"
    & skf18("8","5","2","4","5","5","1") = "7"
    & skf18("8","5","2","4","5","6","1") = "7"
    & skf18("8","5","2","4","5","7","1") = "7"
    & skf18("8","5","2","4","5","8","1") = "7"
    & skf18("8","5","2","4","5","9","1") = "8"
    & skf18("8","5","2","4","5","10","1") = "9"
    & skf18("8","5","2","4","6","1","1") = "7"
    & skf18("8","5","2","4","6","2","1") = "7"
    & skf18("8","5","2","4","6","3","1") = "7"
    & skf18("8","5","2","4","6","4","1") = "7"
    & skf18("8","5","2","4","6","5","1") = "7"
    & skf18("8","5","2","4","6","6","1") = "7"
    & skf18("8","5","2","4","6","7","1") = "7"
    & skf18("8","5","2","4","6","8","1") = "7"
    & skf18("8","5","2","4","6","9","1") = "8"
    & skf18("8","5","2","4","6","10","1") = "9"
    & skf18("8","5","2","4","7","1","1") = "7"
    & skf18("8","5","2","4","7","2","1") = "7"
    & skf18("8","5","2","4","7","3","1") = "7"
    & skf18("8","5","2","4","7","4","1") = "7"
    & skf18("8","5","2","4","7","5","1") = "7"
    & skf18("8","5","2","4","7","6","1") = "7"
    & skf18("8","5","2","4","7","7","1") = "7"
    & skf18("8","5","2","4","7","8","1") = "7"
    & skf18("8","5","2","4","7","9","1") = "8"
    & skf18("8","5","2","4","7","10","1") = "9"
    & skf18("8","5","2","4","8","1","1") = "7"
    & skf18("8","5","2","4","8","2","1") = "7"
    & skf18("8","5","2","4","8","3","1") = "7"
    & skf18("8","5","2","4","8","4","1") = "7"
    & skf18("8","5","2","4","8","5","1") = "7"
    & skf18("8","5","2","4","8","6","1") = "7"
    & skf18("8","5","2","4","8","7","1") = "7"
    & skf18("8","5","2","4","8","8","1") = "7"
    & skf18("8","5","2","4","8","9","1") = "8"
    & skf18("8","5","2","4","8","10","1") = "9"
    & skf18("8","5","2","4","9","1","1") = "8"
    & skf18("8","5","2","4","9","2","1") = "8"
    & skf18("8","5","2","4","9","3","1") = "8"
    & skf18("8","5","2","4","9","4","1") = "8"
    & skf18("8","5","2","4","9","5","1") = "8"
    & skf18("8","5","2","4","9","6","1") = "8"
    & skf18("8","5","2","4","9","7","1") = "8"
    & skf18("8","5","2","4","9","8","1") = "8"
    & skf18("8","5","2","4","9","9","1") = "8"
    & skf18("8","5","2","4","9","10","1") = "9"
    & skf18("8","5","2","4","10","1","1") = "9"
    & skf18("8","5","2","4","10","2","1") = "9"
    & skf18("8","5","2","4","10","3","1") = "9"
    & skf18("8","5","2","4","10","4","1") = "9"
    & skf18("8","5","2","4","10","5","1") = "9"
    & skf18("8","5","2","4","10","6","1") = "9"
    & skf18("8","5","2","4","10","7","1") = "9"
    & skf18("8","5","2","4","10","8","1") = "9"
    & skf18("8","5","2","4","10","9","1") = "9"
    & skf18("8","5","2","4","10","10","1") = "9"
    & skf18("8","5","2","5","1","1","1") = "7"
    & skf18("8","5","2","5","1","2","1") = "7"
    & skf18("8","5","2","5","1","3","1") = "7"
    & skf18("8","5","2","5","1","4","1") = "7"
    & skf18("8","5","2","5","1","5","1") = "7"
    & skf18("8","5","2","5","1","6","1") = "7"
    & skf18("8","5","2","5","1","7","1") = "7"
    & skf18("8","5","2","5","1","8","1") = "7"
    & skf18("8","5","2","5","1","9","1") = "8"
    & skf18("8","5","2","5","1","10","1") = "9"
    & skf18("8","5","2","5","2","1","1") = "7"
    & skf18("8","5","2","5","2","2","1") = "7"
    & skf18("8","5","2","5","2","3","1") = "7"
    & skf18("8","5","2","5","2","4","1") = "7"
    & skf18("8","5","2","5","2","5","1") = "7"
    & skf18("8","5","2","5","2","6","1") = "7"
    & skf18("8","5","2","5","2","7","1") = "7"
    & skf18("8","5","2","5","2","8","1") = "7"
    & skf18("8","5","2","5","2","9","1") = "8"
    & skf18("8","5","2","5","2","10","1") = "9"
    & skf18("8","5","2","5","3","1","1") = "7"
    & skf18("8","5","2","5","3","2","1") = "7"
    & skf18("8","5","2","5","3","3","1") = "7"
    & skf18("8","5","2","5","3","4","1") = "7"
    & skf18("8","5","2","5","3","5","1") = "7"
    & skf18("8","5","2","5","3","6","1") = "7"
    & skf18("8","5","2","5","3","7","1") = "7"
    & skf18("8","5","2","5","3","8","1") = "7"
    & skf18("8","5","2","5","3","9","1") = "8"
    & skf18("8","5","2","5","3","10","1") = "9"
    & skf18("8","5","2","5","4","1","1") = "7"
    & skf18("8","5","2","5","4","2","1") = "7"
    & skf18("8","5","2","5","4","3","1") = "7"
    & skf18("8","5","2","5","4","4","1") = "7"
    & skf18("8","5","2","5","4","5","1") = "7"
    & skf18("8","5","2","5","4","6","1") = "7"
    & skf18("8","5","2","5","4","7","1") = "7"
    & skf18("8","5","2","5","4","8","1") = "7"
    & skf18("8","5","2","5","4","9","1") = "8"
    & skf18("8","5","2","5","4","10","1") = "9"
    & skf18("8","5","2","5","5","1","1") = "7"
    & skf18("8","5","2","5","5","2","1") = "7"
    & skf18("8","5","2","5","5","3","1") = "7"
    & skf18("8","5","2","5","5","4","1") = "7"
    & skf18("8","5","2","5","5","5","1") = "7"
    & skf18("8","5","2","5","5","6","1") = "7"
    & skf18("8","5","2","5","5","7","1") = "7"
    & skf18("8","5","2","5","5","8","1") = "7"
    & skf18("8","5","2","5","5","9","1") = "8"
    & skf18("8","5","2","5","5","10","1") = "9"
    & skf18("8","5","2","5","6","1","1") = "7"
    & skf18("8","5","2","5","6","2","1") = "7"
    & skf18("8","5","2","5","6","3","1") = "7"
    & skf18("8","5","2","5","6","4","1") = "7"
    & skf18("8","5","2","5","6","5","1") = "7"
    & skf18("8","5","2","5","6","6","1") = "7"
    & skf18("8","5","2","5","6","7","1") = "7"
    & skf18("8","5","2","5","6","8","1") = "7"
    & skf18("8","5","2","5","6","9","1") = "8"
    & skf18("8","5","2","5","6","10","1") = "9"
    & skf18("8","5","2","5","7","1","1") = "7"
    & skf18("8","5","2","5","7","2","1") = "7"
    & skf18("8","5","2","5","7","3","1") = "7"
    & skf18("8","5","2","5","7","4","1") = "7"
    & skf18("8","5","2","5","7","5","1") = "7"
    & skf18("8","5","2","5","7","6","1") = "7"
    & skf18("8","5","2","5","7","7","1") = "7"
    & skf18("8","5","2","5","7","8","1") = "7"
    & skf18("8","5","2","5","7","9","1") = "8"
    & skf18("8","5","2","5","7","10","1") = "9"
    & skf18("8","5","2","5","8","1","1") = "7"
    & skf18("8","5","2","5","8","2","1") = "7"
    & skf18("8","5","2","5","8","3","1") = "7"
    & skf18("8","5","2","5","8","4","1") = "7"
    & skf18("8","5","2","5","8","5","1") = "7"
    & skf18("8","5","2","5","8","6","1") = "7"
    & skf18("8","5","2","5","8","7","1") = "7"
    & skf18("8","5","2","5","8","8","1") = "7"
    & skf18("8","5","2","5","8","9","1") = "8"
    & skf18("8","5","2","5","8","10","1") = "9"
    & skf18("8","5","2","5","9","1","1") = "8"
    & skf18("8","5","2","5","9","2","1") = "8"
    & skf18("8","5","2","5","9","3","1") = "8"
    & skf18("8","5","2","5","9","4","1") = "8"
    & skf18("8","5","2","5","9","5","1") = "8"
    & skf18("8","5","2","5","9","6","1") = "8"
    & skf18("8","5","2","5","9","7","1") = "8"
    & skf18("8","5","2","5","9","8","1") = "8"
    & skf18("8","5","2","5","9","9","1") = "8"
    & skf18("8","5","2","5","9","10","1") = "9"
    & skf18("8","5","2","5","10","1","1") = "9"
    & skf18("8","5","2","5","10","2","1") = "9"
    & skf18("8","5","2","5","10","3","1") = "9"
    & skf18("8","5","2","5","10","4","1") = "9"
    & skf18("8","5","2","5","10","5","1") = "9"
    & skf18("8","5","2","5","10","6","1") = "9"
    & skf18("8","5","2","5","10","7","1") = "9"
    & skf18("8","5","2","5","10","8","1") = "9"
    & skf18("8","5","2","5","10","9","1") = "9"
    & skf18("8","5","2","5","10","10","1") = "9"
    & skf18("8","5","2","6","1","1","1") = "7"
    & skf18("8","5","2","6","1","2","1") = "7"
    & skf18("8","5","2","6","1","3","1") = "7"
    & skf18("8","5","2","6","1","4","1") = "7"
    & skf18("8","5","2","6","1","5","1") = "7"
    & skf18("8","5","2","6","1","6","1") = "7"
    & skf18("8","5","2","6","1","7","1") = "7"
    & skf18("8","5","2","6","1","8","1") = "7"
    & skf18("8","5","2","6","1","9","1") = "8"
    & skf18("8","5","2","6","1","10","1") = "9"
    & skf18("8","5","2","6","2","1","1") = "7"
    & skf18("8","5","2","6","2","2","1") = "7"
    & skf18("8","5","2","6","2","3","1") = "7"
    & skf18("8","5","2","6","2","4","1") = "7"
    & skf18("8","5","2","6","2","5","1") = "7"
    & skf18("8","5","2","6","2","6","1") = "7"
    & skf18("8","5","2","6","2","7","1") = "7"
    & skf18("8","5","2","6","2","8","1") = "7"
    & skf18("8","5","2","6","2","9","1") = "8"
    & skf18("8","5","2","6","2","10","1") = "9"
    & skf18("8","5","2","6","3","1","1") = "7"
    & skf18("8","5","2","6","3","2","1") = "7"
    & skf18("8","5","2","6","3","3","1") = "7"
    & skf18("8","5","2","6","3","4","1") = "7"
    & skf18("8","5","2","6","3","5","1") = "7"
    & skf18("8","5","2","6","3","6","1") = "7"
    & skf18("8","5","2","6","3","7","1") = "7"
    & skf18("8","5","2","6","3","8","1") = "7"
    & skf18("8","5","2","6","3","9","1") = "8"
    & skf18("8","5","2","6","3","10","1") = "9"
    & skf18("8","5","2","6","4","1","1") = "7"
    & skf18("8","5","2","6","4","2","1") = "7"
    & skf18("8","5","2","6","4","3","1") = "7"
    & skf18("8","5","2","6","4","4","1") = "7"
    & skf18("8","5","2","6","4","5","1") = "7"
    & skf18("8","5","2","6","4","6","1") = "7"
    & skf18("8","5","2","6","4","7","1") = "7"
    & skf18("8","5","2","6","4","8","1") = "7"
    & skf18("8","5","2","6","4","9","1") = "8"
    & skf18("8","5","2","6","4","10","1") = "9"
    & skf18("8","5","2","6","5","1","1") = "7"
    & skf18("8","5","2","6","5","2","1") = "7"
    & skf18("8","5","2","6","5","3","1") = "7"
    & skf18("8","5","2","6","5","4","1") = "7"
    & skf18("8","5","2","6","5","5","1") = "7"
    & skf18("8","5","2","6","5","6","1") = "7"
    & skf18("8","5","2","6","5","7","1") = "7"
    & skf18("8","5","2","6","5","8","1") = "7"
    & skf18("8","5","2","6","5","9","1") = "8"
    & skf18("8","5","2","6","5","10","1") = "9"
    & skf18("8","5","2","6","6","1","1") = "7"
    & skf18("8","5","2","6","6","2","1") = "7"
    & skf18("8","5","2","6","6","3","1") = "7"
    & skf18("8","5","2","6","6","4","1") = "7"
    & skf18("8","5","2","6","6","5","1") = "7"
    & skf18("8","5","2","6","6","6","1") = "7"
    & skf18("8","5","2","6","6","7","1") = "7"
    & skf18("8","5","2","6","6","8","1") = "7"
    & skf18("8","5","2","6","6","9","1") = "8"
    & skf18("8","5","2","6","6","10","1") = "9"
    & skf18("8","5","2","6","7","1","1") = "7"
    & skf18("8","5","2","6","7","2","1") = "7"
    & skf18("8","5","2","6","7","3","1") = "7"
    & skf18("8","5","2","6","7","4","1") = "7"
    & skf18("8","5","2","6","7","5","1") = "7"
    & skf18("8","5","2","6","7","6","1") = "7"
    & skf18("8","5","2","6","7","7","1") = "7"
    & skf18("8","5","2","6","7","8","1") = "7"
    & skf18("8","5","2","6","7","9","1") = "8"
    & skf18("8","5","2","6","7","10","1") = "9"
    & skf18("8","5","2","6","8","1","1") = "7"
    & skf18("8","5","2","6","8","2","1") = "7"
    & skf18("8","5","2","6","8","3","1") = "7"
    & skf18("8","5","2","6","8","4","1") = "7"
    & skf18("8","5","2","6","8","5","1") = "7"
    & skf18("8","5","2","6","8","6","1") = "7"
    & skf18("8","5","2","6","8","7","1") = "7"
    & skf18("8","5","2","6","8","8","1") = "7"
    & skf18("8","5","2","6","8","9","1") = "8"
    & skf18("8","5","2","6","8","10","1") = "9"
    & skf18("8","5","2","6","9","1","1") = "8"
    & skf18("8","5","2","6","9","2","1") = "8"
    & skf18("8","5","2","6","9","3","1") = "8"
    & skf18("8","5","2","6","9","4","1") = "8"
    & skf18("8","5","2","6","9","5","1") = "8"
    & skf18("8","5","2","6","9","6","1") = "8"
    & skf18("8","5","2","6","9","7","1") = "8"
    & skf18("8","5","2","6","9","8","1") = "8"
    & skf18("8","5","2","6","9","9","1") = "8"
    & skf18("8","5","2","6","9","10","1") = "9"
    & skf18("8","5","2","6","10","1","1") = "9"
    & skf18("8","5","2","6","10","2","1") = "9"
    & skf18("8","5","2","6","10","3","1") = "9"
    & skf18("8","5","2","6","10","4","1") = "9"
    & skf18("8","5","2","6","10","5","1") = "9"
    & skf18("8","5","2","6","10","6","1") = "9"
    & skf18("8","5","2","6","10","7","1") = "9"
    & skf18("8","5","2","6","10","8","1") = "9"
    & skf18("8","5","2","6","10","9","1") = "9"
    & skf18("8","5","2","6","10","10","1") = "9"
    & skf18("8","5","2","7","1","1","1") = "7"
    & skf18("8","5","2","7","1","2","1") = "7"
    & skf18("8","5","2","7","1","3","1") = "7"
    & skf18("8","5","2","7","1","4","1") = "7"
    & skf18("8","5","2","7","1","5","1") = "7"
    & skf18("8","5","2","7","1","6","1") = "7"
    & skf18("8","5","2","7","1","7","1") = "7"
    & skf18("8","5","2","7","1","8","1") = "7"
    & skf18("8","5","2","7","1","9","1") = "8"
    & skf18("8","5","2","7","1","10","1") = "9"
    & skf18("8","5","2","7","2","1","1") = "7"
    & skf18("8","5","2","7","2","2","1") = "7"
    & skf18("8","5","2","7","2","3","1") = "7"
    & skf18("8","5","2","7","2","4","1") = "7"
    & skf18("8","5","2","7","2","5","1") = "7"
    & skf18("8","5","2","7","2","6","1") = "7"
    & skf18("8","5","2","7","2","7","1") = "7"
    & skf18("8","5","2","7","2","8","1") = "7"
    & skf18("8","5","2","7","2","9","1") = "8"
    & skf18("8","5","2","7","2","10","1") = "9"
    & skf18("8","5","2","7","3","1","1") = "7"
    & skf18("8","5","2","7","3","2","1") = "7"
    & skf18("8","5","2","7","3","3","1") = "7"
    & skf18("8","5","2","7","3","4","1") = "7"
    & skf18("8","5","2","7","3","5","1") = "7"
    & skf18("8","5","2","7","3","6","1") = "7"
    & skf18("8","5","2","7","3","7","1") = "7"
    & skf18("8","5","2","7","3","8","1") = "7"
    & skf18("8","5","2","7","3","9","1") = "8"
    & skf18("8","5","2","7","3","10","1") = "9"
    & skf18("8","5","2","7","4","1","1") = "7"
    & skf18("8","5","2","7","4","2","1") = "7"
    & skf18("8","5","2","7","4","3","1") = "7"
    & skf18("8","5","2","7","4","4","1") = "7"
    & skf18("8","5","2","7","4","5","1") = "7"
    & skf18("8","5","2","7","4","6","1") = "7"
    & skf18("8","5","2","7","4","7","1") = "7"
    & skf18("8","5","2","7","4","8","1") = "7"
    & skf18("8","5","2","7","4","9","1") = "8"
    & skf18("8","5","2","7","4","10","1") = "9"
    & skf18("8","5","2","7","5","1","1") = "7"
    & skf18("8","5","2","7","5","2","1") = "7"
    & skf18("8","5","2","7","5","3","1") = "7"
    & skf18("8","5","2","7","5","4","1") = "7"
    & skf18("8","5","2","7","5","5","1") = "7"
    & skf18("8","5","2","7","5","6","1") = "7"
    & skf18("8","5","2","7","5","7","1") = "7"
    & skf18("8","5","2","7","5","8","1") = "7"
    & skf18("8","5","2","7","5","9","1") = "8"
    & skf18("8","5","2","7","5","10","1") = "9"
    & skf18("8","5","2","7","6","1","1") = "7"
    & skf18("8","5","2","7","6","2","1") = "7"
    & skf18("8","5","2","7","6","3","1") = "7"
    & skf18("8","5","2","7","6","4","1") = "7"
    & skf18("8","5","2","7","6","5","1") = "7"
    & skf18("8","5","2","7","6","6","1") = "7"
    & skf18("8","5","2","7","6","7","1") = "7"
    & skf18("8","5","2","7","6","8","1") = "7"
    & skf18("8","5","2","7","6","9","1") = "8"
    & skf18("8","5","2","7","6","10","1") = "9"
    & skf18("8","5","2","7","7","1","1") = "7"
    & skf18("8","5","2","7","7","2","1") = "7"
    & skf18("8","5","2","7","7","3","1") = "7"
    & skf18("8","5","2","7","7","4","1") = "7"
    & skf18("8","5","2","7","7","5","1") = "7"
    & skf18("8","5","2","7","7","6","1") = "7"
    & skf18("8","5","2","7","7","7","1") = "7"
    & skf18("8","5","2","7","7","8","1") = "7"
    & skf18("8","5","2","7","7","9","1") = "8"
    & skf18("8","5","2","7","7","10","1") = "9"
    & skf18("8","5","2","7","8","1","1") = "7"
    & skf18("8","5","2","7","8","2","1") = "7"
    & skf18("8","5","2","7","8","3","1") = "7"
    & skf18("8","5","2","7","8","4","1") = "7"
    & skf18("8","5","2","7","8","5","1") = "7"
    & skf18("8","5","2","7","8","6","1") = "7"
    & skf18("8","5","2","7","8","7","1") = "7"
    & skf18("8","5","2","7","8","8","1") = "7"
    & skf18("8","5","2","7","8","9","1") = "8"
    & skf18("8","5","2","7","8","10","1") = "9"
    & skf18("8","5","2","7","9","1","1") = "8"
    & skf18("8","5","2","7","9","2","1") = "8"
    & skf18("8","5","2","7","9","3","1") = "8"
    & skf18("8","5","2","7","9","4","1") = "8"
    & skf18("8","5","2","7","9","5","1") = "8"
    & skf18("8","5","2","7","9","6","1") = "8"
    & skf18("8","5","2","7","9","7","1") = "8"
    & skf18("8","5","2","7","9","8","1") = "8"
    & skf18("8","5","2","7","9","9","1") = "8"
    & skf18("8","5","2","7","9","10","1") = "9"
    & skf18("8","5","2","7","10","1","1") = "9"
    & skf18("8","5","2","7","10","2","1") = "9"
    & skf18("8","5","2","7","10","3","1") = "9"
    & skf18("8","5","2","7","10","4","1") = "9"
    & skf18("8","5","2","7","10","5","1") = "9"
    & skf18("8","5","2","7","10","6","1") = "9"
    & skf18("8","5","2","7","10","7","1") = "9"
    & skf18("8","5","2","7","10","8","1") = "9"
    & skf18("8","5","2","7","10","9","1") = "9"
    & skf18("8","5","2","7","10","10","1") = "9"
    & skf18("8","5","2","8","1","1","1") = "7"
    & skf18("8","5","2","8","1","2","1") = "7"
    & skf18("8","5","2","8","1","3","1") = "7"
    & skf18("8","5","2","8","1","4","1") = "7"
    & skf18("8","5","2","8","1","5","1") = "7"
    & skf18("8","5","2","8","1","6","1") = "7"
    & skf18("8","5","2","8","1","7","1") = "7"
    & skf18("8","5","2","8","1","8","1") = "7"
    & skf18("8","5","2","8","1","9","1") = "8"
    & skf18("8","5","2","8","1","10","1") = "9"
    & skf18("8","5","2","8","2","1","1") = "7"
    & skf18("8","5","2","8","2","2","1") = "7"
    & skf18("8","5","2","8","2","3","1") = "7"
    & skf18("8","5","2","8","2","4","1") = "7"
    & skf18("8","5","2","8","2","5","1") = "7"
    & skf18("8","5","2","8","2","6","1") = "7"
    & skf18("8","5","2","8","2","7","1") = "7"
    & skf18("8","5","2","8","2","8","1") = "7"
    & skf18("8","5","2","8","2","9","1") = "8"
    & skf18("8","5","2","8","2","10","1") = "9"
    & skf18("8","5","2","8","3","1","1") = "7"
    & skf18("8","5","2","8","3","2","1") = "7"
    & skf18("8","5","2","8","3","3","1") = "7"
    & skf18("8","5","2","8","3","4","1") = "7"
    & skf18("8","5","2","8","3","5","1") = "7"
    & skf18("8","5","2","8","3","6","1") = "7"
    & skf18("8","5","2","8","3","7","1") = "7"
    & skf18("8","5","2","8","3","8","1") = "7"
    & skf18("8","5","2","8","3","9","1") = "8"
    & skf18("8","5","2","8","3","10","1") = "9"
    & skf18("8","5","2","8","4","1","1") = "7"
    & skf18("8","5","2","8","4","2","1") = "7"
    & skf18("8","5","2","8","4","3","1") = "7"
    & skf18("8","5","2","8","4","4","1") = "7"
    & skf18("8","5","2","8","4","5","1") = "7"
    & skf18("8","5","2","8","4","6","1") = "7"
    & skf18("8","5","2","8","4","7","1") = "7"
    & skf18("8","5","2","8","4","8","1") = "7"
    & skf18("8","5","2","8","4","9","1") = "8"
    & skf18("8","5","2","8","4","10","1") = "9"
    & skf18("8","5","2","8","5","1","1") = "7"
    & skf18("8","5","2","8","5","2","1") = "7"
    & skf18("8","5","2","8","5","3","1") = "7"
    & skf18("8","5","2","8","5","4","1") = "7"
    & skf18("8","5","2","8","5","5","1") = "7"
    & skf18("8","5","2","8","5","6","1") = "7"
    & skf18("8","5","2","8","5","7","1") = "7"
    & skf18("8","5","2","8","5","8","1") = "7"
    & skf18("8","5","2","8","5","9","1") = "8"
    & skf18("8","5","2","8","5","10","1") = "9"
    & skf18("8","5","2","8","6","1","1") = "7"
    & skf18("8","5","2","8","6","2","1") = "7"
    & skf18("8","5","2","8","6","3","1") = "7"
    & skf18("8","5","2","8","6","4","1") = "7"
    & skf18("8","5","2","8","6","5","1") = "7"
    & skf18("8","5","2","8","6","6","1") = "7"
    & skf18("8","5","2","8","6","7","1") = "7"
    & skf18("8","5","2","8","6","8","1") = "7"
    & skf18("8","5","2","8","6","9","1") = "8"
    & skf18("8","5","2","8","6","10","1") = "9"
    & skf18("8","5","2","8","7","1","1") = "7"
    & skf18("8","5","2","8","7","2","1") = "7"
    & skf18("8","5","2","8","7","3","1") = "7"
    & skf18("8","5","2","8","7","4","1") = "7"
    & skf18("8","5","2","8","7","5","1") = "7"
    & skf18("8","5","2","8","7","6","1") = "7"
    & skf18("8","5","2","8","7","7","1") = "7"
    & skf18("8","5","2","8","7","8","1") = "7"
    & skf18("8","5","2","8","7","9","1") = "8"
    & skf18("8","5","2","8","7","10","1") = "9"
    & skf18("8","5","2","8","8","1","1") = "7"
    & skf18("8","5","2","8","8","2","1") = "7"
    & skf18("8","5","2","8","8","3","1") = "7"
    & skf18("8","5","2","8","8","4","1") = "7"
    & skf18("8","5","2","8","8","5","1") = "7"
    & skf18("8","5","2","8","8","6","1") = "7"
    & skf18("8","5","2","8","8","7","1") = "7"
    & skf18("8","5","2","8","8","8","1") = "7"
    & skf18("8","5","2","8","8","9","1") = "8"
    & skf18("8","5","2","8","8","10","1") = "9"
    & skf18("8","5","2","8","9","1","1") = "8"
    & skf18("8","5","2","8","9","2","1") = "8"
    & skf18("8","5","2","8","9","3","1") = "8"
    & skf18("8","5","2","8","9","4","1") = "8"
    & skf18("8","5","2","8","9","5","1") = "8"
    & skf18("8","5","2","8","9","6","1") = "8"
    & skf18("8","5","2","8","9","7","1") = "8"
    & skf18("8","5","2","8","9","8","1") = "8"
    & skf18("8","5","2","8","9","9","1") = "8"
    & skf18("8","5","2","8","9","10","1") = "9"
    & skf18("8","5","2","8","10","1","1") = "9"
    & skf18("8","5","2","8","10","2","1") = "9"
    & skf18("8","5","2","8","10","3","1") = "9"
    & skf18("8","5","2","8","10","4","1") = "9"
    & skf18("8","5","2","8","10","5","1") = "9"
    & skf18("8","5","2","8","10","6","1") = "9"
    & skf18("8","5","2","8","10","7","1") = "9"
    & skf18("8","5","2","8","10","8","1") = "9"
    & skf18("8","5","2","8","10","9","1") = "9"
    & skf18("8","5","2","8","10","10","1") = "9"
    & skf18("8","5","2","9","1","1","1") = "8"
    & skf18("8","5","2","9","1","2","1") = "8"
    & skf18("8","5","2","9","1","3","1") = "8"
    & skf18("8","5","2","9","1","4","1") = "8"
    & skf18("8","5","2","9","1","5","1") = "8"
    & skf18("8","5","2","9","1","6","1") = "8"
    & skf18("8","5","2","9","1","7","1") = "8"
    & skf18("8","5","2","9","1","8","1") = "8"
    & skf18("8","5","2","9","1","9","1") = "8"
    & skf18("8","5","2","9","1","10","1") = "9"
    & skf18("8","5","2","9","2","1","1") = "8"
    & skf18("8","5","2","9","2","2","1") = "8"
    & skf18("8","5","2","9","2","3","1") = "8"
    & skf18("8","5","2","9","2","4","1") = "8"
    & skf18("8","5","2","9","2","5","1") = "8"
    & skf18("8","5","2","9","2","6","1") = "8"
    & skf18("8","5","2","9","2","7","1") = "8"
    & skf18("8","5","2","9","2","8","1") = "8"
    & skf18("8","5","2","9","2","9","1") = "8"
    & skf18("8","5","2","9","2","10","1") = "9"
    & skf18("8","5","2","9","3","1","1") = "8"
    & skf18("8","5","2","9","3","2","1") = "8"
    & skf18("8","5","2","9","3","3","1") = "8"
    & skf18("8","5","2","9","3","4","1") = "8"
    & skf18("8","5","2","9","3","5","1") = "8"
    & skf18("8","5","2","9","3","6","1") = "8"
    & skf18("8","5","2","9","3","7","1") = "8"
    & skf18("8","5","2","9","3","8","1") = "8"
    & skf18("8","5","2","9","3","9","1") = "8"
    & skf18("8","5","2","9","3","10","1") = "9"
    & skf18("8","5","2","9","4","1","1") = "8"
    & skf18("8","5","2","9","4","2","1") = "8"
    & skf18("8","5","2","9","4","3","1") = "8"
    & skf18("8","5","2","9","4","4","1") = "8"
    & skf18("8","5","2","9","4","5","1") = "8"
    & skf18("8","5","2","9","4","6","1") = "8"
    & skf18("8","5","2","9","4","7","1") = "8"
    & skf18("8","5","2","9","4","8","1") = "8"
    & skf18("8","5","2","9","4","9","1") = "8"
    & skf18("8","5","2","9","4","10","1") = "9"
    & skf18("8","5","2","9","5","1","1") = "8"
    & skf18("8","5","2","9","5","2","1") = "8"
    & skf18("8","5","2","9","5","3","1") = "8"
    & skf18("8","5","2","9","5","4","1") = "8"
    & skf18("8","5","2","9","5","5","1") = "8"
    & skf18("8","5","2","9","5","6","1") = "8"
    & skf18("8","5","2","9","5","7","1") = "8"
    & skf18("8","5","2","9","5","8","1") = "8"
    & skf18("8","5","2","9","5","9","1") = "8"
    & skf18("8","5","2","9","5","10","1") = "9"
    & skf18("8","5","2","9","6","1","1") = "8"
    & skf18("8","5","2","9","6","2","1") = "8"
    & skf18("8","5","2","9","6","3","1") = "8"
    & skf18("8","5","2","9","6","4","1") = "8"
    & skf18("8","5","2","9","6","5","1") = "8"
    & skf18("8","5","2","9","6","6","1") = "8"
    & skf18("8","5","2","9","6","7","1") = "8"
    & skf18("8","5","2","9","6","8","1") = "8"
    & skf18("8","5","2","9","6","9","1") = "8"
    & skf18("8","5","2","9","6","10","1") = "9"
    & skf18("8","5","2","9","7","1","1") = "8"
    & skf18("8","5","2","9","7","2","1") = "8"
    & skf18("8","5","2","9","7","3","1") = "8"
    & skf18("8","5","2","9","7","4","1") = "8"
    & skf18("8","5","2","9","7","5","1") = "8"
    & skf18("8","5","2","9","7","6","1") = "8"
    & skf18("8","5","2","9","7","7","1") = "8"
    & skf18("8","5","2","9","7","8","1") = "8"
    & skf18("8","5","2","9","7","9","1") = "8"
    & skf18("8","5","2","9","7","10","1") = "9"
    & skf18("8","5","2","9","8","1","1") = "8"
    & skf18("8","5","2","9","8","2","1") = "8"
    & skf18("8","5","2","9","8","3","1") = "8"
    & skf18("8","5","2","9","8","4","1") = "8"
    & skf18("8","5","2","9","8","5","1") = "8"
    & skf18("8","5","2","9","8","6","1") = "8"
    & skf18("8","5","2","9","8","7","1") = "8"
    & skf18("8","5","2","9","8","8","1") = "8"
    & skf18("8","5","2","9","8","9","1") = "8"
    & skf18("8","5","2","9","8","10","1") = "9"
    & skf18("8","5","2","9","9","1","1") = "8"
    & skf18("8","5","2","9","9","2","1") = "8"
    & skf18("8","5","2","9","9","3","1") = "8"
    & skf18("8","5","2","9","9","4","1") = "8"
    & skf18("8","5","2","9","9","5","1") = "8"
    & skf18("8","5","2","9","9","6","1") = "8"
    & skf18("8","5","2","9","9","7","1") = "8"
    & skf18("8","5","2","9","9","8","1") = "8"
    & skf18("8","5","2","9","9","9","1") = "8"
    & skf18("8","5","2","9","9","10","1") = "9"
    & skf18("8","5","2","9","10","1","1") = "9"
    & skf18("8","5","2","9","10","2","1") = "9"
    & skf18("8","5","2","9","10","3","1") = "9"
    & skf18("8","5","2","9","10","4","1") = "9"
    & skf18("8","5","2","9","10","5","1") = "9"
    & skf18("8","5","2","9","10","6","1") = "9"
    & skf18("8","5","2","9","10","7","1") = "9"
    & skf18("8","5","2","9","10","8","1") = "9"
    & skf18("8","5","2","9","10","9","1") = "9"
    & skf18("8","5","2","9","10","10","1") = "9"
    & skf18("8","5","2","10","1","1","1") = "9"
    & skf18("8","5","2","10","1","2","1") = "9"
    & skf18("8","5","2","10","1","3","1") = "9"
    & skf18("8","5","2","10","1","4","1") = "9"
    & skf18("8","5","2","10","1","5","1") = "9"
    & skf18("8","5","2","10","1","6","1") = "9"
    & skf18("8","5","2","10","1","7","1") = "9"
    & skf18("8","5","2","10","1","8","1") = "9"
    & skf18("8","5","2","10","1","9","1") = "9"
    & skf18("8","5","2","10","1","10","1") = "9"
    & skf18("8","5","2","10","2","1","1") = "9"
    & skf18("8","5","2","10","2","2","1") = "9"
    & skf18("8","5","2","10","2","3","1") = "9"
    & skf18("8","5","2","10","2","4","1") = "9"
    & skf18("8","5","2","10","2","5","1") = "9"
    & skf18("8","5","2","10","2","6","1") = "9"
    & skf18("8","5","2","10","2","7","1") = "9"
    & skf18("8","5","2","10","2","8","1") = "9"
    & skf18("8","5","2","10","2","9","1") = "9"
    & skf18("8","5","2","10","2","10","1") = "9"
    & skf18("8","5","2","10","3","1","1") = "9"
    & skf18("8","5","2","10","3","2","1") = "9"
    & skf18("8","5","2","10","3","3","1") = "9"
    & skf18("8","5","2","10","3","4","1") = "9"
    & skf18("8","5","2","10","3","5","1") = "9"
    & skf18("8","5","2","10","3","6","1") = "9"
    & skf18("8","5","2","10","3","7","1") = "9"
    & skf18("8","5","2","10","3","8","1") = "9"
    & skf18("8","5","2","10","3","9","1") = "9"
    & skf18("8","5","2","10","3","10","1") = "9"
    & skf18("8","5","2","10","4","1","1") = "9"
    & skf18("8","5","2","10","4","2","1") = "9"
    & skf18("8","5","2","10","4","3","1") = "9"
    & skf18("8","5","2","10","4","4","1") = "9"
    & skf18("8","5","2","10","4","5","1") = "9"
    & skf18("8","5","2","10","4","6","1") = "9"
    & skf18("8","5","2","10","4","7","1") = "9"
    & skf18("8","5","2","10","4","8","1") = "9"
    & skf18("8","5","2","10","4","9","1") = "9"
    & skf18("8","5","2","10","4","10","1") = "9"
    & skf18("8","5","2","10","5","1","1") = "9"
    & skf18("8","5","2","10","5","2","1") = "9"
    & skf18("8","5","2","10","5","3","1") = "9"
    & skf18("8","5","2","10","5","4","1") = "9"
    & skf18("8","5","2","10","5","5","1") = "9"
    & skf18("8","5","2","10","5","6","1") = "9"
    & skf18("8","5","2","10","5","7","1") = "9"
    & skf18("8","5","2","10","5","8","1") = "9"
    & skf18("8","5","2","10","5","9","1") = "9"
    & skf18("8","5","2","10","5","10","1") = "9"
    & skf18("8","5","2","10","6","1","1") = "9"
    & skf18("8","5","2","10","6","2","1") = "9"
    & skf18("8","5","2","10","6","3","1") = "9"
    & skf18("8","5","2","10","6","4","1") = "9"
    & skf18("8","5","2","10","6","5","1") = "9"
    & skf18("8","5","2","10","6","6","1") = "9"
    & skf18("8","5","2","10","6","7","1") = "9"
    & skf18("8","5","2","10","6","8","1") = "9"
    & skf18("8","5","2","10","6","9","1") = "9"
    & skf18("8","5","2","10","6","10","1") = "9"
    & skf18("8","5","2","10","7","1","1") = "9"
    & skf18("8","5","2","10","7","2","1") = "9"
    & skf18("8","5","2","10","7","3","1") = "9"
    & skf18("8","5","2","10","7","4","1") = "9"
    & skf18("8","5","2","10","7","5","1") = "9"
    & skf18("8","5","2","10","7","6","1") = "9"
    & skf18("8","5","2","10","7","7","1") = "9"
    & skf18("8","5","2","10","7","8","1") = "9"
    & skf18("8","5","2","10","7","9","1") = "9"
    & skf18("8","5","2","10","7","10","1") = "9"
    & skf18("8","5","2","10","8","1","1") = "9"
    & skf18("8","5","2","10","8","2","1") = "9"
    & skf18("8","5","2","10","8","3","1") = "9"
    & skf18("8","5","2","10","8","4","1") = "9"
    & skf18("8","5","2","10","8","5","1") = "9"
    & skf18("8","5","2","10","8","6","1") = "9"
    & skf18("8","5","2","10","8","7","1") = "9"
    & skf18("8","5","2","10","8","8","1") = "9"
    & skf18("8","5","2","10","8","9","1") = "9"
    & skf18("8","5","2","10","8","10","1") = "9"
    & skf18("8","5","2","10","9","1","1") = "9"
    & skf18("8","5","2","10","9","2","1") = "9"
    & skf18("8","5","2","10","9","3","1") = "9"
    & skf18("8","5","2","10","9","4","1") = "9"
    & skf18("8","5","2","10","9","5","1") = "9"
    & skf18("8","5","2","10","9","6","1") = "9"
    & skf18("8","5","2","10","9","7","1") = "9"
    & skf18("8","5","2","10","9","8","1") = "9"
    & skf18("8","5","2","10","9","9","1") = "9"
    & skf18("8","5","2","10","9","10","1") = "9"
    & skf18("8","5","2","10","10","1","1") = "9"
    & skf18("8","5","2","10","10","2","1") = "9"
    & skf18("8","5","2","10","10","3","1") = "9"
    & skf18("8","5","2","10","10","4","1") = "9"
    & skf18("8","5","2","10","10","5","1") = "9"
    & skf18("8","5","2","10","10","6","1") = "9"
    & skf18("8","5","2","10","10","7","1") = "9"
    & skf18("8","5","2","10","10","8","1") = "9"
    & skf18("8","5","2","10","10","9","1") = "9"
    & skf18("8","5","2","10","10","10","1") = "9"
    & skf18("8","5","3","1","1","1","1") = "7"
    & skf18("8","5","3","1","1","2","1") = "7"
    & skf18("8","5","3","1","1","3","1") = "7"
    & skf18("8","5","3","1","1","4","1") = "7"
    & skf18("8","5","3","1","1","5","1") = "7"
    & skf18("8","5","3","1","1","6","1") = "7"
    & skf18("8","5","3","1","1","7","1") = "7"
    & skf18("8","5","3","1","1","8","1") = "7"
    & skf18("8","5","3","1","1","9","1") = "8"
    & skf18("8","5","3","1","1","10","1") = "9"
    & skf18("8","5","3","1","2","1","1") = "7"
    & skf18("8","5","3","1","2","2","1") = "7"
    & skf18("8","5","3","1","2","3","1") = "7"
    & skf18("8","5","3","1","2","4","1") = "7"
    & skf18("8","5","3","1","2","5","1") = "7"
    & skf18("8","5","3","1","2","6","1") = "7"
    & skf18("8","5","3","1","2","7","1") = "7"
    & skf18("8","5","3","1","2","8","1") = "7"
    & skf18("8","5","3","1","2","9","1") = "8"
    & skf18("8","5","3","1","2","10","1") = "9"
    & skf18("8","5","3","1","3","1","1") = "7"
    & skf18("8","5","3","1","3","2","1") = "7"
    & skf18("8","5","3","1","3","3","1") = "7"
    & skf18("8","5","3","1","3","4","1") = "7"
    & skf18("8","5","3","1","3","5","1") = "7"
    & skf18("8","5","3","1","3","6","1") = "7"
    & skf18("8","5","3","1","3","7","1") = "7"
    & skf18("8","5","3","1","3","8","1") = "7"
    & skf18("8","5","3","1","3","9","1") = "8"
    & skf18("8","5","3","1","3","10","1") = "9"
    & skf18("8","5","3","1","4","1","1") = "7"
    & skf18("8","5","3","1","4","2","1") = "7"
    & skf18("8","5","3","1","4","3","1") = "7"
    & skf18("8","5","3","1","4","4","1") = "7"
    & skf18("8","5","3","1","4","5","1") = "7"
    & skf18("8","5","3","1","4","6","1") = "7"
    & skf18("8","5","3","1","4","7","1") = "7"
    & skf18("8","5","3","1","4","8","1") = "7"
    & skf18("8","5","3","1","4","9","1") = "8"
    & skf18("8","5","3","1","4","10","1") = "9"
    & skf18("8","5","3","1","5","1","1") = "7"
    & skf18("8","5","3","1","5","2","1") = "7"
    & skf18("8","5","3","1","5","3","1") = "7"
    & skf18("8","5","3","1","5","4","1") = "7"
    & skf18("8","5","3","1","5","5","1") = "7"
    & skf18("8","5","3","1","5","6","1") = "7"
    & skf18("8","5","3","1","5","7","1") = "7"
    & skf18("8","5","3","1","5","8","1") = "7"
    & skf18("8","5","3","1","5","9","1") = "8"
    & skf18("8","5","3","1","5","10","1") = "9"
    & skf18("8","5","3","1","6","1","1") = "7"
    & skf18("8","5","3","1","6","2","1") = "7"
    & skf18("8","5","3","1","6","3","1") = "7"
    & skf18("8","5","3","1","6","4","1") = "7"
    & skf18("8","5","3","1","6","5","1") = "7"
    & skf18("8","5","3","1","6","6","1") = "7"
    & skf18("8","5","3","1","6","7","1") = "7"
    & skf18("8","5","3","1","6","8","1") = "7"
    & skf18("8","5","3","1","6","9","1") = "8"
    & skf18("8","5","3","1","6","10","1") = "9"
    & skf18("8","5","3","1","7","1","1") = "7"
    & skf18("8","5","3","1","7","2","1") = "7"
    & skf18("8","5","3","1","7","3","1") = "7"
    & skf18("8","5","3","1","7","4","1") = "7"
    & skf18("8","5","3","1","7","5","1") = "7"
    & skf18("8","5","3","1","7","6","1") = "7"
    & skf18("8","5","3","1","7","7","1") = "7"
    & skf18("8","5","3","1","7","8","1") = "7"
    & skf18("8","5","3","1","7","9","1") = "8"
    & skf18("8","5","3","1","7","10","1") = "9"
    & skf18("8","5","3","1","8","1","1") = "7"
    & skf18("8","5","3","1","8","2","1") = "7"
    & skf18("8","5","3","1","8","3","1") = "7"
    & skf18("8","5","3","1","8","4","1") = "7"
    & skf18("8","5","3","1","8","5","1") = "7"
    & skf18("8","5","3","1","8","6","1") = "7"
    & skf18("8","5","3","1","8","7","1") = "7"
    & skf18("8","5","3","1","8","8","1") = "7"
    & skf18("8","5","3","1","8","9","1") = "8"
    & skf18("8","5","3","1","8","10","1") = "9"
    & skf18("8","5","3","1","9","1","1") = "8"
    & skf18("8","5","3","1","9","2","1") = "8"
    & skf18("8","5","3","1","9","3","1") = "8"
    & skf18("8","5","3","1","9","4","1") = "8"
    & skf18("8","5","3","1","9","5","1") = "8"
    & skf18("8","5","3","1","9","6","1") = "8"
    & skf18("8","5","3","1","9","7","1") = "8"
    & skf18("8","5","3","1","9","8","1") = "8"
    & skf18("8","5","3","1","9","9","1") = "8"
    & skf18("8","5","3","1","9","10","1") = "9"
    & skf18("8","5","3","1","10","1","1") = "9"
    & skf18("8","5","3","1","10","2","1") = "9"
    & skf18("8","5","3","1","10","3","1") = "9"
    & skf18("8","5","3","1","10","4","1") = "9"
    & skf18("8","5","3","1","10","5","1") = "9"
    & skf18("8","5","3","1","10","6","1") = "9"
    & skf18("8","5","3","1","10","7","1") = "9"
    & skf18("8","5","3","1","10","8","1") = "9"
    & skf18("8","5","3","1","10","9","1") = "9"
    & skf18("8","5","3","1","10","10","1") = "9"
    & skf18("8","5","3","2","1","1","1") = "7"
    & skf18("8","5","3","2","1","2","1") = "7"
    & skf18("8","5","3","2","1","3","1") = "7"
    & skf18("8","5","3","2","1","4","1") = "7"
    & skf18("8","5","3","2","1","5","1") = "7"
    & skf18("8","5","3","2","1","6","1") = "7"
    & skf18("8","5","3","2","1","7","1") = "7"
    & skf18("8","5","3","2","1","8","1") = "7"
    & skf18("8","5","3","2","1","9","1") = "8"
    & skf18("8","5","3","2","1","10","1") = "9"
    & skf18("8","5","3","2","2","1","1") = "7"
    & skf18("8","5","3","2","2","2","1") = "7"
    & skf18("8","5","3","2","2","3","1") = "7"
    & skf18("8","5","3","2","2","4","1") = "7"
    & skf18("8","5","3","2","2","5","1") = "7"
    & skf18("8","5","3","2","2","6","1") = "7"
    & skf18("8","5","3","2","2","7","1") = "7"
    & skf18("8","5","3","2","2","8","1") = "7"
    & skf18("8","5","3","2","2","9","1") = "8"
    & skf18("8","5","3","2","2","10","1") = "9"
    & skf18("8","5","3","2","3","1","1") = "7"
    & skf18("8","5","3","2","3","2","1") = "7"
    & skf18("8","5","3","2","3","3","1") = "7"
    & skf18("8","5","3","2","3","4","1") = "7"
    & skf18("8","5","3","2","3","5","1") = "7"
    & skf18("8","5","3","2","3","6","1") = "7"
    & skf18("8","5","3","2","3","7","1") = "7"
    & skf18("8","5","3","2","3","8","1") = "7"
    & skf18("8","5","3","2","3","9","1") = "8"
    & skf18("8","5","3","2","3","10","1") = "9"
    & skf18("8","5","3","2","4","1","1") = "7"
    & skf18("8","5","3","2","4","2","1") = "7"
    & skf18("8","5","3","2","4","3","1") = "7"
    & skf18("8","5","3","2","4","4","1") = "7"
    & skf18("8","5","3","2","4","5","1") = "7"
    & skf18("8","5","3","2","4","6","1") = "7"
    & skf18("8","5","3","2","4","7","1") = "7"
    & skf18("8","5","3","2","4","8","1") = "7"
    & skf18("8","5","3","2","4","9","1") = "8"
    & skf18("8","5","3","2","4","10","1") = "9"
    & skf18("8","5","3","2","5","1","1") = "7"
    & skf18("8","5","3","2","5","2","1") = "7"
    & skf18("8","5","3","2","5","3","1") = "7"
    & skf18("8","5","3","2","5","4","1") = "7"
    & skf18("8","5","3","2","5","5","1") = "7"
    & skf18("8","5","3","2","5","6","1") = "7"
    & skf18("8","5","3","2","5","7","1") = "7"
    & skf18("8","5","3","2","5","8","1") = "7"
    & skf18("8","5","3","2","5","9","1") = "8"
    & skf18("8","5","3","2","5","10","1") = "9"
    & skf18("8","5","3","2","6","1","1") = "7"
    & skf18("8","5","3","2","6","2","1") = "7"
    & skf18("8","5","3","2","6","3","1") = "7"
    & skf18("8","5","3","2","6","4","1") = "7"
    & skf18("8","5","3","2","6","5","1") = "7"
    & skf18("8","5","3","2","6","6","1") = "7"
    & skf18("8","5","3","2","6","7","1") = "7"
    & skf18("8","5","3","2","6","8","1") = "7"
    & skf18("8","5","3","2","6","9","1") = "8"
    & skf18("8","5","3","2","6","10","1") = "9"
    & skf18("8","5","3","2","7","1","1") = "7"
    & skf18("8","5","3","2","7","2","1") = "7"
    & skf18("8","5","3","2","7","3","1") = "7"
    & skf18("8","5","3","2","7","4","1") = "7"
    & skf18("8","5","3","2","7","5","1") = "7"
    & skf18("8","5","3","2","7","6","1") = "7"
    & skf18("8","5","3","2","7","7","1") = "7"
    & skf18("8","5","3","2","7","8","1") = "7"
    & skf18("8","5","3","2","7","9","1") = "8"
    & skf18("8","5","3","2","7","10","1") = "9"
    & skf18("8","5","3","2","8","1","1") = "7"
    & skf18("8","5","3","2","8","2","1") = "7"
    & skf18("8","5","3","2","8","3","1") = "7"
    & skf18("8","5","3","2","8","4","1") = "7"
    & skf18("8","5","3","2","8","5","1") = "7"
    & skf18("8","5","3","2","8","6","1") = "7"
    & skf18("8","5","3","2","8","7","1") = "7"
    & skf18("8","5","3","2","8","8","1") = "7"
    & skf18("8","5","3","2","8","9","1") = "8"
    & skf18("8","5","3","2","8","10","1") = "9"
    & skf18("8","5","3","2","9","1","1") = "8"
    & skf18("8","5","3","2","9","2","1") = "8"
    & skf18("8","5","3","2","9","3","1") = "8"
    & skf18("8","5","3","2","9","4","1") = "8"
    & skf18("8","5","3","2","9","5","1") = "8"
    & skf18("8","5","3","2","9","6","1") = "8"
    & skf18("8","5","3","2","9","7","1") = "8"
    & skf18("8","5","3","2","9","8","1") = "8"
    & skf18("8","5","3","2","9","9","1") = "8"
    & skf18("8","5","3","2","9","10","1") = "9"
    & skf18("8","5","3","2","10","1","1") = "9"
    & skf18("8","5","3","2","10","2","1") = "9"
    & skf18("8","5","3","2","10","3","1") = "9"
    & skf18("8","5","3","2","10","4","1") = "9"
    & skf18("8","5","3","2","10","5","1") = "9"
    & skf18("8","5","3","2","10","6","1") = "9"
    & skf18("8","5","3","2","10","7","1") = "9"
    & skf18("8","5","3","2","10","8","1") = "9"
    & skf18("8","5","3","2","10","9","1") = "9"
    & skf18("8","5","3","2","10","10","1") = "9"
    & skf18("8","5","3","3","1","1","1") = "7"
    & skf18("8","5","3","3","1","2","1") = "7"
    & skf18("8","5","3","3","1","3","1") = "7"
    & skf18("8","5","3","3","1","4","1") = "7"
    & skf18("8","5","3","3","1","5","1") = "7"
    & skf18("8","5","3","3","1","6","1") = "7"
    & skf18("8","5","3","3","1","7","1") = "7"
    & skf18("8","5","3","3","1","8","1") = "7"
    & skf18("8","5","3","3","1","9","1") = "8"
    & skf18("8","5","3","3","1","10","1") = "9"
    & skf18("8","5","3","3","2","1","1") = "7"
    & skf18("8","5","3","3","2","2","1") = "7"
    & skf18("8","5","3","3","2","3","1") = "7"
    & skf18("8","5","3","3","2","4","1") = "7"
    & skf18("8","5","3","3","2","5","1") = "7"
    & skf18("8","5","3","3","2","6","1") = "7"
    & skf18("8","5","3","3","2","7","1") = "7"
    & skf18("8","5","3","3","2","8","1") = "7"
    & skf18("8","5","3","3","2","9","1") = "8"
    & skf18("8","5","3","3","2","10","1") = "9"
    & skf18("8","5","3","3","3","1","1") = "7"
    & skf18("8","5","3","3","3","2","1") = "7"
    & skf18("8","5","3","3","3","3","1") = "7"
    & skf18("8","5","3","3","3","4","1") = "7"
    & skf18("8","5","3","3","3","5","1") = "7"
    & skf18("8","5","3","3","3","6","1") = "7"
    & skf18("8","5","3","3","3","7","1") = "7"
    & skf18("8","5","3","3","3","8","1") = "7"
    & skf18("8","5","3","3","3","9","1") = "8"
    & skf18("8","5","3","3","3","10","1") = "9"
    & skf18("8","5","3","3","4","1","1") = "7"
    & skf18("8","5","3","3","4","2","1") = "7"
    & skf18("8","5","3","3","4","3","1") = "7"
    & skf18("8","5","3","3","4","4","1") = "7"
    & skf18("8","5","3","3","4","5","1") = "7"
    & skf18("8","5","3","3","4","6","1") = "7"
    & skf18("8","5","3","3","4","7","1") = "7"
    & skf18("8","5","3","3","4","8","1") = "7"
    & skf18("8","5","3","3","4","9","1") = "8"
    & skf18("8","5","3","3","4","10","1") = "9"
    & skf18("8","5","3","3","5","1","1") = "7"
    & skf18("8","5","3","3","5","2","1") = "7"
    & skf18("8","5","3","3","5","3","1") = "7"
    & skf18("8","5","3","3","5","4","1") = "7"
    & skf18("8","5","3","3","5","5","1") = "7"
    & skf18("8","5","3","3","5","6","1") = "7"
    & skf18("8","5","3","3","5","7","1") = "7"
    & skf18("8","5","3","3","5","8","1") = "7"
    & skf18("8","5","3","3","5","9","1") = "8"
    & skf18("8","5","3","3","5","10","1") = "9"
    & skf18("8","5","3","3","6","1","1") = "7"
    & skf18("8","5","3","3","6","2","1") = "7"
    & skf18("8","5","3","3","6","3","1") = "7"
    & skf18("8","5","3","3","6","4","1") = "7"
    & skf18("8","5","3","3","6","5","1") = "7"
    & skf18("8","5","3","3","6","6","1") = "7"
    & skf18("8","5","3","3","6","7","1") = "7"
    & skf18("8","5","3","3","6","8","1") = "7"
    & skf18("8","5","3","3","6","9","1") = "8"
    & skf18("8","5","3","3","6","10","1") = "9"
    & skf18("8","5","3","3","7","1","1") = "7"
    & skf18("8","5","3","3","7","2","1") = "7"
    & skf18("8","5","3","3","7","3","1") = "7"
    & skf18("8","5","3","3","7","4","1") = "7"
    & skf18("8","5","3","3","7","5","1") = "7"
    & skf18("8","5","3","3","7","6","1") = "7"
    & skf18("8","5","3","3","7","7","1") = "7"
    & skf18("8","5","3","3","7","8","1") = "7"
    & skf18("8","5","3","3","7","9","1") = "8"
    & skf18("8","5","3","3","7","10","1") = "9"
    & skf18("8","5","3","3","8","1","1") = "7"
    & skf18("8","5","3","3","8","2","1") = "7"
    & skf18("8","5","3","3","8","3","1") = "7"
    & skf18("8","5","3","3","8","4","1") = "7"
    & skf18("8","5","3","3","8","5","1") = "7"
    & skf18("8","5","3","3","8","6","1") = "7"
    & skf18("8","5","3","3","8","7","1") = "7"
    & skf18("8","5","3","3","8","8","1") = "7"
    & skf18("8","5","3","3","8","9","1") = "8"
    & skf18("8","5","3","3","8","10","1") = "9"
    & skf18("8","5","3","3","9","1","1") = "8"
    & skf18("8","5","3","3","9","2","1") = "8"
    & skf18("8","5","3","3","9","3","1") = "8"
    & skf18("8","5","3","3","9","4","1") = "8"
    & skf18("8","5","3","3","9","5","1") = "8"
    & skf18("8","5","3","3","9","6","1") = "8"
    & skf18("8","5","3","3","9","7","1") = "8"
    & skf18("8","5","3","3","9","8","1") = "8"
    & skf18("8","5","3","3","9","9","1") = "8"
    & skf18("8","5","3","3","9","10","1") = "9"
    & skf18("8","5","3","3","10","1","1") = "9"
    & skf18("8","5","3","3","10","2","1") = "9"
    & skf18("8","5","3","3","10","3","1") = "9"
    & skf18("8","5","3","3","10","4","1") = "9"
    & skf18("8","5","3","3","10","5","1") = "9"
    & skf18("8","5","3","3","10","6","1") = "9"
    & skf18("8","5","3","3","10","7","1") = "9"
    & skf18("8","5","3","3","10","8","1") = "9"
    & skf18("8","5","3","3","10","9","1") = "9"
    & skf18("8","5","3","3","10","10","1") = "9"
    & skf18("8","5","3","4","1","1","1") = "7"
    & skf18("8","5","3","4","1","2","1") = "7"
    & skf18("8","5","3","4","1","3","1") = "7"
    & skf18("8","5","3","4","1","4","1") = "7"
    & skf18("8","5","3","4","1","5","1") = "7"
    & skf18("8","5","3","4","1","6","1") = "7"
    & skf18("8","5","3","4","1","7","1") = "7"
    & skf18("8","5","3","4","1","8","1") = "7"
    & skf18("8","5","3","4","1","9","1") = "8"
    & skf18("8","5","3","4","1","10","1") = "9"
    & skf18("8","5","3","4","2","1","1") = "7"
    & skf18("8","5","3","4","2","2","1") = "7"
    & skf18("8","5","3","4","2","3","1") = "7"
    & skf18("8","5","3","4","2","4","1") = "7"
    & skf18("8","5","3","4","2","5","1") = "7"
    & skf18("8","5","3","4","2","6","1") = "7"
    & skf18("8","5","3","4","2","7","1") = "7"
    & skf18("8","5","3","4","2","8","1") = "7"
    & skf18("8","5","3","4","2","9","1") = "8"
    & skf18("8","5","3","4","2","10","1") = "9"
    & skf18("8","5","3","4","3","1","1") = "7"
    & skf18("8","5","3","4","3","2","1") = "7"
    & skf18("8","5","3","4","3","3","1") = "7"
    & skf18("8","5","3","4","3","4","1") = "7"
    & skf18("8","5","3","4","3","5","1") = "7"
    & skf18("8","5","3","4","3","6","1") = "7"
    & skf18("8","5","3","4","3","7","1") = "7"
    & skf18("8","5","3","4","3","8","1") = "7"
    & skf18("8","5","3","4","3","9","1") = "8"
    & skf18("8","5","3","4","3","10","1") = "9"
    & skf18("8","5","3","4","4","1","1") = "7"
    & skf18("8","5","3","4","4","2","1") = "7"
    & skf18("8","5","3","4","4","3","1") = "7"
    & skf18("8","5","3","4","4","4","1") = "7"
    & skf18("8","5","3","4","4","5","1") = "7"
    & skf18("8","5","3","4","4","6","1") = "7"
    & skf18("8","5","3","4","4","7","1") = "7"
    & skf18("8","5","3","4","4","8","1") = "7"
    & skf18("8","5","3","4","4","9","1") = "8"
    & skf18("8","5","3","4","4","10","1") = "9"
    & skf18("8","5","3","4","5","1","1") = "7"
    & skf18("8","5","3","4","5","2","1") = "7"
    & skf18("8","5","3","4","5","3","1") = "7"
    & skf18("8","5","3","4","5","4","1") = "7"
    & skf18("8","5","3","4","5","5","1") = "7"
    & skf18("8","5","3","4","5","6","1") = "7"
    & skf18("8","5","3","4","5","7","1") = "7"
    & skf18("8","5","3","4","5","8","1") = "7"
    & skf18("8","5","3","4","5","9","1") = "8"
    & skf18("8","5","3","4","5","10","1") = "9"
    & skf18("8","5","3","4","6","1","1") = "7"
    & skf18("8","5","3","4","6","2","1") = "7"
    & skf18("8","5","3","4","6","3","1") = "7"
    & skf18("8","5","3","4","6","4","1") = "7"
    & skf18("8","5","3","4","6","5","1") = "7"
    & skf18("8","5","3","4","6","6","1") = "7"
    & skf18("8","5","3","4","6","7","1") = "7"
    & skf18("8","5","3","4","6","8","1") = "7"
    & skf18("8","5","3","4","6","9","1") = "8"
    & skf18("8","5","3","4","6","10","1") = "9"
    & skf18("8","5","3","4","7","1","1") = "7"
    & skf18("8","5","3","4","7","2","1") = "7"
    & skf18("8","5","3","4","7","3","1") = "7"
    & skf18("8","5","3","4","7","4","1") = "7"
    & skf18("8","5","3","4","7","5","1") = "7"
    & skf18("8","5","3","4","7","6","1") = "7"
    & skf18("8","5","3","4","7","7","1") = "7"
    & skf18("8","5","3","4","7","8","1") = "7"
    & skf18("8","5","3","4","7","9","1") = "8"
    & skf18("8","5","3","4","7","10","1") = "9"
    & skf18("8","5","3","4","8","1","1") = "7"
    & skf18("8","5","3","4","8","2","1") = "7"
    & skf18("8","5","3","4","8","3","1") = "7"
    & skf18("8","5","3","4","8","4","1") = "7"
    & skf18("8","5","3","4","8","5","1") = "7"
    & skf18("8","5","3","4","8","6","1") = "7"
    & skf18("8","5","3","4","8","7","1") = "7"
    & skf18("8","5","3","4","8","8","1") = "7"
    & skf18("8","5","3","4","8","9","1") = "8"
    & skf18("8","5","3","4","8","10","1") = "9"
    & skf18("8","5","3","4","9","1","1") = "8"
    & skf18("8","5","3","4","9","2","1") = "8"
    & skf18("8","5","3","4","9","3","1") = "8"
    & skf18("8","5","3","4","9","4","1") = "8"
    & skf18("8","5","3","4","9","5","1") = "8"
    & skf18("8","5","3","4","9","6","1") = "8"
    & skf18("8","5","3","4","9","7","1") = "8"
    & skf18("8","5","3","4","9","8","1") = "8"
    & skf18("8","5","3","4","9","9","1") = "8"
    & skf18("8","5","3","4","9","10","1") = "9"
    & skf18("8","5","3","4","10","1","1") = "9"
    & skf18("8","5","3","4","10","2","1") = "9"
    & skf18("8","5","3","4","10","3","1") = "9"
    & skf18("8","5","3","4","10","4","1") = "9"
    & skf18("8","5","3","4","10","5","1") = "9"
    & skf18("8","5","3","4","10","6","1") = "9"
    & skf18("8","5","3","4","10","7","1") = "9"
    & skf18("8","5","3","4","10","8","1") = "9"
    & skf18("8","5","3","4","10","9","1") = "9"
    & skf18("8","5","3","4","10","10","1") = "9"
    & skf18("8","5","3","5","1","1","1") = "7"
    & skf18("8","5","3","5","1","2","1") = "7"
    & skf18("8","5","3","5","1","3","1") = "7"
    & skf18("8","5","3","5","1","4","1") = "7"
    & skf18("8","5","3","5","1","5","1") = "7"
    & skf18("8","5","3","5","1","6","1") = "7"
    & skf18("8","5","3","5","1","7","1") = "7"
    & skf18("8","5","3","5","1","8","1") = "7"
    & skf18("8","5","3","5","1","9","1") = "8"
    & skf18("8","5","3","5","1","10","1") = "9"
    & skf18("8","5","3","5","2","1","1") = "7"
    & skf18("8","5","3","5","2","2","1") = "7"
    & skf18("8","5","3","5","2","3","1") = "7"
    & skf18("8","5","3","5","2","4","1") = "7"
    & skf18("8","5","3","5","2","5","1") = "7"
    & skf18("8","5","3","5","2","6","1") = "7"
    & skf18("8","5","3","5","2","7","1") = "7"
    & skf18("8","5","3","5","2","8","1") = "7"
    & skf18("8","5","3","5","2","9","1") = "8"
    & skf18("8","5","3","5","2","10","1") = "9"
    & skf18("8","5","3","5","3","1","1") = "7"
    & skf18("8","5","3","5","3","2","1") = "7"
    & skf18("8","5","3","5","3","3","1") = "7"
    & skf18("8","5","3","5","3","4","1") = "7"
    & skf18("8","5","3","5","3","5","1") = "7"
    & skf18("8","5","3","5","3","6","1") = "7"
    & skf18("8","5","3","5","3","7","1") = "7"
    & skf18("8","5","3","5","3","8","1") = "7"
    & skf18("8","5","3","5","3","9","1") = "8"
    & skf18("8","5","3","5","3","10","1") = "9"
    & skf18("8","5","3","5","4","1","1") = "7"
    & skf18("8","5","3","5","4","2","1") = "7"
    & skf18("8","5","3","5","4","3","1") = "7"
    & skf18("8","5","3","5","4","4","1") = "7"
    & skf18("8","5","3","5","4","5","1") = "7"
    & skf18("8","5","3","5","4","6","1") = "7"
    & skf18("8","5","3","5","4","7","1") = "7"
    & skf18("8","5","3","5","4","8","1") = "7"
    & skf18("8","5","3","5","4","9","1") = "8"
    & skf18("8","5","3","5","4","10","1") = "9"
    & skf18("8","5","3","5","5","1","1") = "7"
    & skf18("8","5","3","5","5","2","1") = "7"
    & skf18("8","5","3","5","5","3","1") = "7"
    & skf18("8","5","3","5","5","4","1") = "7"
    & skf18("8","5","3","5","5","5","1") = "7"
    & skf18("8","5","3","5","5","6","1") = "7"
    & skf18("8","5","3","5","5","7","1") = "7"
    & skf18("8","5","3","5","5","8","1") = "7"
    & skf18("8","5","3","5","5","9","1") = "8"
    & skf18("8","5","3","5","5","10","1") = "9"
    & skf18("8","5","3","5","6","1","1") = "7"
    & skf18("8","5","3","5","6","2","1") = "7"
    & skf18("8","5","3","5","6","3","1") = "7"
    & skf18("8","5","3","5","6","4","1") = "7"
    & skf18("8","5","3","5","6","5","1") = "7"
    & skf18("8","5","3","5","6","6","1") = "7"
    & skf18("8","5","3","5","6","7","1") = "7"
    & skf18("8","5","3","5","6","8","1") = "7"
    & skf18("8","5","3","5","6","9","1") = "8"
    & skf18("8","5","3","5","6","10","1") = "9"
    & skf18("8","5","3","5","7","1","1") = "7"
    & skf18("8","5","3","5","7","2","1") = "7"
    & skf18("8","5","3","5","7","3","1") = "7"
    & skf18("8","5","3","5","7","4","1") = "7"
    & skf18("8","5","3","5","7","5","1") = "7"
    & skf18("8","5","3","5","7","6","1") = "7"
    & skf18("8","5","3","5","7","7","1") = "7"
    & skf18("8","5","3","5","7","8","1") = "7"
    & skf18("8","5","3","5","7","9","1") = "8"
    & skf18("8","5","3","5","7","10","1") = "9"
    & skf18("8","5","3","5","8","1","1") = "7"
    & skf18("8","5","3","5","8","2","1") = "7"
    & skf18("8","5","3","5","8","3","1") = "7"
    & skf18("8","5","3","5","8","4","1") = "7"
    & skf18("8","5","3","5","8","5","1") = "7"
    & skf18("8","5","3","5","8","6","1") = "7"
    & skf18("8","5","3","5","8","7","1") = "7"
    & skf18("8","5","3","5","8","8","1") = "7"
    & skf18("8","5","3","5","8","9","1") = "8"
    & skf18("8","5","3","5","8","10","1") = "9"
    & skf18("8","5","3","5","9","1","1") = "8"
    & skf18("8","5","3","5","9","2","1") = "8"
    & skf18("8","5","3","5","9","3","1") = "8"
    & skf18("8","5","3","5","9","4","1") = "8"
    & skf18("8","5","3","5","9","5","1") = "8"
    & skf18("8","5","3","5","9","6","1") = "8"
    & skf18("8","5","3","5","9","7","1") = "8"
    & skf18("8","5","3","5","9","8","1") = "8"
    & skf18("8","5","3","5","9","9","1") = "8"
    & skf18("8","5","3","5","9","10","1") = "9"
    & skf18("8","5","3","5","10","1","1") = "9"
    & skf18("8","5","3","5","10","2","1") = "9"
    & skf18("8","5","3","5","10","3","1") = "9"
    & skf18("8","5","3","5","10","4","1") = "9"
    & skf18("8","5","3","5","10","5","1") = "9"
    & skf18("8","5","3","5","10","6","1") = "9"
    & skf18("8","5","3","5","10","7","1") = "9"
    & skf18("8","5","3","5","10","8","1") = "9"
    & skf18("8","5","3","5","10","9","1") = "9"
    & skf18("8","5","3","5","10","10","1") = "9"
    & skf18("8","5","3","6","1","1","1") = "7"
    & skf18("8","5","3","6","1","2","1") = "7"
    & skf18("8","5","3","6","1","3","1") = "7"
    & skf18("8","5","3","6","1","4","1") = "7"
    & skf18("8","5","3","6","1","5","1") = "7"
    & skf18("8","5","3","6","1","6","1") = "7"
    & skf18("8","5","3","6","1","7","1") = "7"
    & skf18("8","5","3","6","1","8","1") = "7"
    & skf18("8","5","3","6","1","9","1") = "8"
    & skf18("8","5","3","6","1","10","1") = "9"
    & skf18("8","5","3","6","2","1","1") = "7"
    & skf18("8","5","3","6","2","2","1") = "7"
    & skf18("8","5","3","6","2","3","1") = "7"
    & skf18("8","5","3","6","2","4","1") = "7"
    & skf18("8","5","3","6","2","5","1") = "7"
    & skf18("8","5","3","6","2","6","1") = "7"
    & skf18("8","5","3","6","2","7","1") = "7"
    & skf18("8","5","3","6","2","8","1") = "7"
    & skf18("8","5","3","6","2","9","1") = "8"
    & skf18("8","5","3","6","2","10","1") = "9"
    & skf18("8","5","3","6","3","1","1") = "7"
    & skf18("8","5","3","6","3","2","1") = "7"
    & skf18("8","5","3","6","3","3","1") = "7"
    & skf18("8","5","3","6","3","4","1") = "7"
    & skf18("8","5","3","6","3","5","1") = "7"
    & skf18("8","5","3","6","3","6","1") = "7"
    & skf18("8","5","3","6","3","7","1") = "7"
    & skf18("8","5","3","6","3","8","1") = "7"
    & skf18("8","5","3","6","3","9","1") = "8"
    & skf18("8","5","3","6","3","10","1") = "9"
    & skf18("8","5","3","6","4","1","1") = "7"
    & skf18("8","5","3","6","4","2","1") = "7"
    & skf18("8","5","3","6","4","3","1") = "7"
    & skf18("8","5","3","6","4","4","1") = "7"
    & skf18("8","5","3","6","4","5","1") = "7"
    & skf18("8","5","3","6","4","6","1") = "7"
    & skf18("8","5","3","6","4","7","1") = "7"
    & skf18("8","5","3","6","4","8","1") = "7"
    & skf18("8","5","3","6","4","9","1") = "8"
    & skf18("8","5","3","6","4","10","1") = "9"
    & skf18("8","5","3","6","5","1","1") = "7"
    & skf18("8","5","3","6","5","2","1") = "7"
    & skf18("8","5","3","6","5","3","1") = "7"
    & skf18("8","5","3","6","5","4","1") = "7"
    & skf18("8","5","3","6","5","5","1") = "7"
    & skf18("8","5","3","6","5","6","1") = "7"
    & skf18("8","5","3","6","5","7","1") = "7"
    & skf18("8","5","3","6","5","8","1") = "7"
    & skf18("8","5","3","6","5","9","1") = "8"
    & skf18("8","5","3","6","5","10","1") = "9"
    & skf18("8","5","3","6","6","1","1") = "7"
    & skf18("8","5","3","6","6","2","1") = "7"
    & skf18("8","5","3","6","6","3","1") = "7"
    & skf18("8","5","3","6","6","4","1") = "7"
    & skf18("8","5","3","6","6","5","1") = "7"
    & skf18("8","5","3","6","6","6","1") = "7"
    & skf18("8","5","3","6","6","7","1") = "7"
    & skf18("8","5","3","6","6","8","1") = "7"
    & skf18("8","5","3","6","6","9","1") = "8"
    & skf18("8","5","3","6","6","10","1") = "9"
    & skf18("8","5","3","6","7","1","1") = "7"
    & skf18("8","5","3","6","7","2","1") = "7"
    & skf18("8","5","3","6","7","3","1") = "7"
    & skf18("8","5","3","6","7","4","1") = "7"
    & skf18("8","5","3","6","7","5","1") = "7"
    & skf18("8","5","3","6","7","6","1") = "7"
    & skf18("8","5","3","6","7","7","1") = "7"
    & skf18("8","5","3","6","7","8","1") = "7"
    & skf18("8","5","3","6","7","9","1") = "8"
    & skf18("8","5","3","6","7","10","1") = "9"
    & skf18("8","5","3","6","8","1","1") = "7"
    & skf18("8","5","3","6","8","2","1") = "7"
    & skf18("8","5","3","6","8","3","1") = "7"
    & skf18("8","5","3","6","8","4","1") = "7"
    & skf18("8","5","3","6","8","5","1") = "7"
    & skf18("8","5","3","6","8","6","1") = "7"
    & skf18("8","5","3","6","8","7","1") = "7"
    & skf18("8","5","3","6","8","8","1") = "7"
    & skf18("8","5","3","6","8","9","1") = "8"
    & skf18("8","5","3","6","8","10","1") = "9"
    & skf18("8","5","3","6","9","1","1") = "8"
    & skf18("8","5","3","6","9","2","1") = "8"
    & skf18("8","5","3","6","9","3","1") = "8"
    & skf18("8","5","3","6","9","4","1") = "8"
    & skf18("8","5","3","6","9","5","1") = "8"
    & skf18("8","5","3","6","9","6","1") = "8"
    & skf18("8","5","3","6","9","7","1") = "8"
    & skf18("8","5","3","6","9","8","1") = "8"
    & skf18("8","5","3","6","9","9","1") = "8"
    & skf18("8","5","3","6","9","10","1") = "9"
    & skf18("8","5","3","6","10","1","1") = "9"
    & skf18("8","5","3","6","10","2","1") = "9"
    & skf18("8","5","3","6","10","3","1") = "9"
    & skf18("8","5","3","6","10","4","1") = "9"
    & skf18("8","5","3","6","10","5","1") = "9"
    & skf18("8","5","3","6","10","6","1") = "9"
    & skf18("8","5","3","6","10","7","1") = "9"
    & skf18("8","5","3","6","10","8","1") = "9"
    & skf18("8","5","3","6","10","9","1") = "9"
    & skf18("8","5","3","6","10","10","1") = "9"
    & skf18("8","5","3","7","1","1","1") = "7"
    & skf18("8","5","3","7","1","2","1") = "7"
    & skf18("8","5","3","7","1","3","1") = "7"
    & skf18("8","5","3","7","1","4","1") = "7"
    & skf18("8","5","3","7","1","5","1") = "7"
    & skf18("8","5","3","7","1","6","1") = "7"
    & skf18("8","5","3","7","1","7","1") = "7"
    & skf18("8","5","3","7","1","8","1") = "7"
    & skf18("8","5","3","7","1","9","1") = "8"
    & skf18("8","5","3","7","1","10","1") = "9"
    & skf18("8","5","3","7","2","1","1") = "7"
    & skf18("8","5","3","7","2","2","1") = "7"
    & skf18("8","5","3","7","2","3","1") = "7"
    & skf18("8","5","3","7","2","4","1") = "7"
    & skf18("8","5","3","7","2","5","1") = "7"
    & skf18("8","5","3","7","2","6","1") = "7"
    & skf18("8","5","3","7","2","7","1") = "7"
    & skf18("8","5","3","7","2","8","1") = "7"
    & skf18("8","5","3","7","2","9","1") = "8"
    & skf18("8","5","3","7","2","10","1") = "9"
    & skf18("8","5","3","7","3","1","1") = "7"
    & skf18("8","5","3","7","3","2","1") = "7"
    & skf18("8","5","3","7","3","3","1") = "7"
    & skf18("8","5","3","7","3","4","1") = "7"
    & skf18("8","5","3","7","3","5","1") = "7"
    & skf18("8","5","3","7","3","6","1") = "7"
    & skf18("8","5","3","7","3","7","1") = "7"
    & skf18("8","5","3","7","3","8","1") = "7"
    & skf18("8","5","3","7","3","9","1") = "8"
    & skf18("8","5","3","7","3","10","1") = "9"
    & skf18("8","5","3","7","4","1","1") = "7"
    & skf18("8","5","3","7","4","2","1") = "7"
    & skf18("8","5","3","7","4","3","1") = "7"
    & skf18("8","5","3","7","4","4","1") = "7"
    & skf18("8","5","3","7","4","5","1") = "7"
    & skf18("8","5","3","7","4","6","1") = "7"
    & skf18("8","5","3","7","4","7","1") = "7"
    & skf18("8","5","3","7","4","8","1") = "7"
    & skf18("8","5","3","7","4","9","1") = "8"
    & skf18("8","5","3","7","4","10","1") = "9"
    & skf18("8","5","3","7","5","1","1") = "7"
    & skf18("8","5","3","7","5","2","1") = "7"
    & skf18("8","5","3","7","5","3","1") = "7"
    & skf18("8","5","3","7","5","4","1") = "7"
    & skf18("8","5","3","7","5","5","1") = "7"
    & skf18("8","5","3","7","5","6","1") = "7"
    & skf18("8","5","3","7","5","7","1") = "7"
    & skf18("8","5","3","7","5","8","1") = "7"
    & skf18("8","5","3","7","5","9","1") = "8"
    & skf18("8","5","3","7","5","10","1") = "9"
    & skf18("8","5","3","7","6","1","1") = "7"
    & skf18("8","5","3","7","6","2","1") = "7"
    & skf18("8","5","3","7","6","3","1") = "7"
    & skf18("8","5","3","7","6","4","1") = "7"
    & skf18("8","5","3","7","6","5","1") = "7"
    & skf18("8","5","3","7","6","6","1") = "7"
    & skf18("8","5","3","7","6","7","1") = "7"
    & skf18("8","5","3","7","6","8","1") = "7"
    & skf18("8","5","3","7","6","9","1") = "8"
    & skf18("8","5","3","7","6","10","1") = "9"
    & skf18("8","5","3","7","7","1","1") = "7"
    & skf18("8","5","3","7","7","2","1") = "7"
    & skf18("8","5","3","7","7","3","1") = "7"
    & skf18("8","5","3","7","7","4","1") = "7"
    & skf18("8","5","3","7","7","5","1") = "7"
    & skf18("8","5","3","7","7","6","1") = "7"
    & skf18("8","5","3","7","7","7","1") = "7"
    & skf18("8","5","3","7","7","8","1") = "7"
    & skf18("8","5","3","7","7","9","1") = "8"
    & skf18("8","5","3","7","7","10","1") = "9"
    & skf18("8","5","3","7","8","1","1") = "7"
    & skf18("8","5","3","7","8","2","1") = "7"
    & skf18("8","5","3","7","8","3","1") = "7"
    & skf18("8","5","3","7","8","4","1") = "7"
    & skf18("8","5","3","7","8","5","1") = "7"
    & skf18("8","5","3","7","8","6","1") = "7"
    & skf18("8","5","3","7","8","7","1") = "7"
    & skf18("8","5","3","7","8","8","1") = "7"
    & skf18("8","5","3","7","8","9","1") = "8"
    & skf18("8","5","3","7","8","10","1") = "9"
    & skf18("8","5","3","7","9","1","1") = "8"
    & skf18("8","5","3","7","9","2","1") = "8"
    & skf18("8","5","3","7","9","3","1") = "8"
    & skf18("8","5","3","7","9","4","1") = "8"
    & skf18("8","5","3","7","9","5","1") = "8"
    & skf18("8","5","3","7","9","6","1") = "8"
    & skf18("8","5","3","7","9","7","1") = "8"
    & skf18("8","5","3","7","9","8","1") = "8"
    & skf18("8","5","3","7","9","9","1") = "8"
    & skf18("8","5","3","7","9","10","1") = "9"
    & skf18("8","5","3","7","10","1","1") = "9"
    & skf18("8","5","3","7","10","2","1") = "9"
    & skf18("8","5","3","7","10","3","1") = "9"
    & skf18("8","5","3","7","10","4","1") = "9"
    & skf18("8","5","3","7","10","5","1") = "9"
    & skf18("8","5","3","7","10","6","1") = "9"
    & skf18("8","5","3","7","10","7","1") = "9"
    & skf18("8","5","3","7","10","8","1") = "9"
    & skf18("8","5","3","7","10","9","1") = "9"
    & skf18("8","5","3","7","10","10","1") = "9"
    & skf18("8","5","3","8","1","1","1") = "7"
    & skf18("8","5","3","8","1","2","1") = "7"
    & skf18("8","5","3","8","1","3","1") = "7"
    & skf18("8","5","3","8","1","4","1") = "7"
    & skf18("8","5","3","8","1","5","1") = "7"
    & skf18("8","5","3","8","1","6","1") = "7"
    & skf18("8","5","3","8","1","7","1") = "7"
    & skf18("8","5","3","8","1","8","1") = "7"
    & skf18("8","5","3","8","1","9","1") = "8"
    & skf18("8","5","3","8","1","10","1") = "9"
    & skf18("8","5","3","8","2","1","1") = "7"
    & skf18("8","5","3","8","2","2","1") = "7"
    & skf18("8","5","3","8","2","3","1") = "7"
    & skf18("8","5","3","8","2","4","1") = "7"
    & skf18("8","5","3","8","2","5","1") = "7"
    & skf18("8","5","3","8","2","6","1") = "7"
    & skf18("8","5","3","8","2","7","1") = "7"
    & skf18("8","5","3","8","2","8","1") = "7"
    & skf18("8","5","3","8","2","9","1") = "8"
    & skf18("8","5","3","8","2","10","1") = "9"
    & skf18("8","5","3","8","3","1","1") = "7"
    & skf18("8","5","3","8","3","2","1") = "7"
    & skf18("8","5","3","8","3","3","1") = "7"
    & skf18("8","5","3","8","3","4","1") = "7"
    & skf18("8","5","3","8","3","5","1") = "7"
    & skf18("8","5","3","8","3","6","1") = "7"
    & skf18("8","5","3","8","3","7","1") = "7"
    & skf18("8","5","3","8","3","8","1") = "7"
    & skf18("8","5","3","8","3","9","1") = "8"
    & skf18("8","5","3","8","3","10","1") = "9"
    & skf18("8","5","3","8","4","1","1") = "7"
    & skf18("8","5","3","8","4","2","1") = "7"
    & skf18("8","5","3","8","4","3","1") = "7"
    & skf18("8","5","3","8","4","4","1") = "7"
    & skf18("8","5","3","8","4","5","1") = "7"
    & skf18("8","5","3","8","4","6","1") = "7"
    & skf18("8","5","3","8","4","7","1") = "7"
    & skf18("8","5","3","8","4","8","1") = "7"
    & skf18("8","5","3","8","4","9","1") = "8"
    & skf18("8","5","3","8","4","10","1") = "9"
    & skf18("8","5","3","8","5","1","1") = "7"
    & skf18("8","5","3","8","5","2","1") = "7"
    & skf18("8","5","3","8","5","3","1") = "7"
    & skf18("8","5","3","8","5","4","1") = "7"
    & skf18("8","5","3","8","5","5","1") = "7"
    & skf18("8","5","3","8","5","6","1") = "7"
    & skf18("8","5","3","8","5","7","1") = "7"
    & skf18("8","5","3","8","5","8","1") = "7"
    & skf18("8","5","3","8","5","9","1") = "8"
    & skf18("8","5","3","8","5","10","1") = "9"
    & skf18("8","5","3","8","6","1","1") = "7"
    & skf18("8","5","3","8","6","2","1") = "7"
    & skf18("8","5","3","8","6","3","1") = "7"
    & skf18("8","5","3","8","6","4","1") = "7"
    & skf18("8","5","3","8","6","5","1") = "7"
    & skf18("8","5","3","8","6","6","1") = "7"
    & skf18("8","5","3","8","6","7","1") = "7"
    & skf18("8","5","3","8","6","8","1") = "7"
    & skf18("8","5","3","8","6","9","1") = "8"
    & skf18("8","5","3","8","6","10","1") = "9"
    & skf18("8","5","3","8","7","1","1") = "7"
    & skf18("8","5","3","8","7","2","1") = "7"
    & skf18("8","5","3","8","7","3","1") = "7"
    & skf18("8","5","3","8","7","4","1") = "7"
    & skf18("8","5","3","8","7","5","1") = "7"
    & skf18("8","5","3","8","7","6","1") = "7"
    & skf18("8","5","3","8","7","7","1") = "7"
    & skf18("8","5","3","8","7","8","1") = "7"
    & skf18("8","5","3","8","7","9","1") = "8"
    & skf18("8","5","3","8","7","10","1") = "9"
    & skf18("8","5","3","8","8","1","1") = "7"
    & skf18("8","5","3","8","8","2","1") = "7"
    & skf18("8","5","3","8","8","3","1") = "7"
    & skf18("8","5","3","8","8","4","1") = "7"
    & skf18("8","5","3","8","8","5","1") = "7"
    & skf18("8","5","3","8","8","6","1") = "7"
    & skf18("8","5","3","8","8","7","1") = "7"
    & skf18("8","5","3","8","8","8","1") = "7"
    & skf18("8","5","3","8","8","9","1") = "8"
    & skf18("8","5","3","8","8","10","1") = "9"
    & skf18("8","5","3","8","9","1","1") = "8"
    & skf18("8","5","3","8","9","2","1") = "8"
    & skf18("8","5","3","8","9","3","1") = "8"
    & skf18("8","5","3","8","9","4","1") = "8"
    & skf18("8","5","3","8","9","5","1") = "8"
    & skf18("8","5","3","8","9","6","1") = "8"
    & skf18("8","5","3","8","9","7","1") = "8"
    & skf18("8","5","3","8","9","8","1") = "8"
    & skf18("8","5","3","8","9","9","1") = "8"
    & skf18("8","5","3","8","9","10","1") = "9"
    & skf18("8","5","3","8","10","1","1") = "9"
    & skf18("8","5","3","8","10","2","1") = "9"
    & skf18("8","5","3","8","10","3","1") = "9"
    & skf18("8","5","3","8","10","4","1") = "9"
    & skf18("8","5","3","8","10","5","1") = "9"
    & skf18("8","5","3","8","10","6","1") = "9"
    & skf18("8","5","3","8","10","7","1") = "9"
    & skf18("8","5","3","8","10","8","1") = "9"
    & skf18("8","5","3","8","10","9","1") = "9"
    & skf18("8","5","3","8","10","10","1") = "9"
    & skf18("8","5","3","9","1","1","1") = "8"
    & skf18("8","5","3","9","1","2","1") = "8"
    & skf18("8","5","3","9","1","3","1") = "8"
    & skf18("8","5","3","9","1","4","1") = "8"
    & skf18("8","5","3","9","1","5","1") = "8"
    & skf18("8","5","3","9","1","6","1") = "8"
    & skf18("8","5","3","9","1","7","1") = "8"
    & skf18("8","5","3","9","1","8","1") = "8"
    & skf18("8","5","3","9","1","9","1") = "8"
    & skf18("8","5","3","9","1","10","1") = "9"
    & skf18("8","5","3","9","2","1","1") = "8"
    & skf18("8","5","3","9","2","2","1") = "8"
    & skf18("8","5","3","9","2","3","1") = "8"
    & skf18("8","5","3","9","2","4","1") = "8"
    & skf18("8","5","3","9","2","5","1") = "8"
    & skf18("8","5","3","9","2","6","1") = "8"
    & skf18("8","5","3","9","2","7","1") = "8"
    & skf18("8","5","3","9","2","8","1") = "8"
    & skf18("8","5","3","9","2","9","1") = "8"
    & skf18("8","5","3","9","2","10","1") = "9"
    & skf18("8","5","3","9","3","1","1") = "8"
    & skf18("8","5","3","9","3","2","1") = "8"
    & skf18("8","5","3","9","3","3","1") = "8"
    & skf18("8","5","3","9","3","4","1") = "8"
    & skf18("8","5","3","9","3","5","1") = "8"
    & skf18("8","5","3","9","3","6","1") = "8"
    & skf18("8","5","3","9","3","7","1") = "8"
    & skf18("8","5","3","9","3","8","1") = "8"
    & skf18("8","5","3","9","3","9","1") = "8"
    & skf18("8","5","3","9","3","10","1") = "9"
    & skf18("8","5","3","9","4","1","1") = "8"
    & skf18("8","5","3","9","4","2","1") = "8"
    & skf18("8","5","3","9","4","3","1") = "8"
    & skf18("8","5","3","9","4","4","1") = "8"
    & skf18("8","5","3","9","4","5","1") = "8"
    & skf18("8","5","3","9","4","6","1") = "8"
    & skf18("8","5","3","9","4","7","1") = "8"
    & skf18("8","5","3","9","4","8","1") = "8"
    & skf18("8","5","3","9","4","9","1") = "8"
    & skf18("8","5","3","9","4","10","1") = "9"
    & skf18("8","5","3","9","5","1","1") = "8"
    & skf18("8","5","3","9","5","2","1") = "8"
    & skf18("8","5","3","9","5","3","1") = "8"
    & skf18("8","5","3","9","5","4","1") = "8"
    & skf18("8","5","3","9","5","5","1") = "8"
    & skf18("8","5","3","9","5","6","1") = "8"
    & skf18("8","5","3","9","5","7","1") = "8"
    & skf18("8","5","3","9","5","8","1") = "8"
    & skf18("8","5","3","9","5","9","1") = "8"
    & skf18("8","5","3","9","5","10","1") = "9"
    & skf18("8","5","3","9","6","1","1") = "8"
    & skf18("8","5","3","9","6","2","1") = "8"
    & skf18("8","5","3","9","6","3","1") = "8"
    & skf18("8","5","3","9","6","4","1") = "8"
    & skf18("8","5","3","9","6","5","1") = "8"
    & skf18("8","5","3","9","6","6","1") = "8"
    & skf18("8","5","3","9","6","7","1") = "8"
    & skf18("8","5","3","9","6","8","1") = "8"
    & skf18("8","5","3","9","6","9","1") = "8"
    & skf18("8","5","3","9","6","10","1") = "9"
    & skf18("8","5","3","9","7","1","1") = "8"
    & skf18("8","5","3","9","7","2","1") = "8"
    & skf18("8","5","3","9","7","3","1") = "8"
    & skf18("8","5","3","9","7","4","1") = "8"
    & skf18("8","5","3","9","7","5","1") = "8"
    & skf18("8","5","3","9","7","6","1") = "8"
    & skf18("8","5","3","9","7","7","1") = "8"
    & skf18("8","5","3","9","7","8","1") = "8"
    & skf18("8","5","3","9","7","9","1") = "8"
    & skf18("8","5","3","9","7","10","1") = "9"
    & skf18("8","5","3","9","8","1","1") = "8"
    & skf18("8","5","3","9","8","2","1") = "8"
    & skf18("8","5","3","9","8","3","1") = "8"
    & skf18("8","5","3","9","8","4","1") = "8"
    & skf18("8","5","3","9","8","5","1") = "8"
    & skf18("8","5","3","9","8","6","1") = "8"
    & skf18("8","5","3","9","8","7","1") = "8"
    & skf18("8","5","3","9","8","8","1") = "8"
    & skf18("8","5","3","9","8","9","1") = "8"
    & skf18("8","5","3","9","8","10","1") = "9"
    & skf18("8","5","3","9","9","1","1") = "8"
    & skf18("8","5","3","9","9","2","1") = "8"
    & skf18("8","5","3","9","9","3","1") = "8"
    & skf18("8","5","3","9","9","4","1") = "8"
    & skf18("8","5","3","9","9","5","1") = "8"
    & skf18("8","5","3","9","9","6","1") = "8"
    & skf18("8","5","3","9","9","7","1") = "8"
    & skf18("8","5","3","9","9","8","1") = "8"
    & skf18("8","5","3","9","9","9","1") = "8"
    & skf18("8","5","3","9","9","10","1") = "9"
    & skf18("8","5","3","9","10","1","1") = "9"
    & skf18("8","5","3","9","10","2","1") = "9"
    & skf18("8","5","3","9","10","3","1") = "9"
    & skf18("8","5","3","9","10","4","1") = "9"
    & skf18("8","5","3","9","10","5","1") = "9"
    & skf18("8","5","3","9","10","6","1") = "9"
    & skf18("8","5","3","9","10","7","1") = "9"
    & skf18("8","5","3","9","10","8","1") = "9"
    & skf18("8","5","3","9","10","9","1") = "9"
    & skf18("8","5","3","9","10","10","1") = "9"
    & skf18("8","5","3","10","1","1","1") = "9"
    & skf18("8","5","3","10","1","2","1") = "9"
    & skf18("8","5","3","10","1","3","1") = "9"
    & skf18("8","5","3","10","1","4","1") = "9"
    & skf18("8","5","3","10","1","5","1") = "9"
    & skf18("8","5","3","10","1","6","1") = "9"
    & skf18("8","5","3","10","1","7","1") = "9"
    & skf18("8","5","3","10","1","8","1") = "9"
    & skf18("8","5","3","10","1","9","1") = "9"
    & skf18("8","5","3","10","1","10","1") = "9"
    & skf18("8","5","3","10","2","1","1") = "9"
    & skf18("8","5","3","10","2","2","1") = "9"
    & skf18("8","5","3","10","2","3","1") = "9"
    & skf18("8","5","3","10","2","4","1") = "9"
    & skf18("8","5","3","10","2","5","1") = "9"
    & skf18("8","5","3","10","2","6","1") = "9"
    & skf18("8","5","3","10","2","7","1") = "9"
    & skf18("8","5","3","10","2","8","1") = "9"
    & skf18("8","5","3","10","2","9","1") = "9"
    & skf18("8","5","3","10","2","10","1") = "9"
    & skf18("8","5","3","10","3","1","1") = "9"
    & skf18("8","5","3","10","3","2","1") = "9"
    & skf18("8","5","3","10","3","3","1") = "9"
    & skf18("8","5","3","10","3","4","1") = "9"
    & skf18("8","5","3","10","3","5","1") = "9"
    & skf18("8","5","3","10","3","6","1") = "9"
    & skf18("8","5","3","10","3","7","1") = "9"
    & skf18("8","5","3","10","3","8","1") = "9"
    & skf18("8","5","3","10","3","9","1") = "9"
    & skf18("8","5","3","10","3","10","1") = "9"
    & skf18("8","5","3","10","4","1","1") = "9"
    & skf18("8","5","3","10","4","2","1") = "9"
    & skf18("8","5","3","10","4","3","1") = "9"
    & skf18("8","5","3","10","4","4","1") = "9"
    & skf18("8","5","3","10","4","5","1") = "9"
    & skf18("8","5","3","10","4","6","1") = "9"
    & skf18("8","5","3","10","4","7","1") = "9"
    & skf18("8","5","3","10","4","8","1") = "9"
    & skf18("8","5","3","10","4","9","1") = "9"
    & skf18("8","5","3","10","4","10","1") = "9"
    & skf18("8","5","3","10","5","1","1") = "9"
    & skf18("8","5","3","10","5","2","1") = "9"
    & skf18("8","5","3","10","5","3","1") = "9"
    & skf18("8","5","3","10","5","4","1") = "9"
    & skf18("8","5","3","10","5","5","1") = "9"
    & skf18("8","5","3","10","5","6","1") = "9"
    & skf18("8","5","3","10","5","7","1") = "9"
    & skf18("8","5","3","10","5","8","1") = "9"
    & skf18("8","5","3","10","5","9","1") = "9"
    & skf18("8","5","3","10","5","10","1") = "9"
    & skf18("8","5","3","10","6","1","1") = "9"
    & skf18("8","5","3","10","6","2","1") = "9"
    & skf18("8","5","3","10","6","3","1") = "9"
    & skf18("8","5","3","10","6","4","1") = "9"
    & skf18("8","5","3","10","6","5","1") = "9"
    & skf18("8","5","3","10","6","6","1") = "9"
    & skf18("8","5","3","10","6","7","1") = "9"
    & skf18("8","5","3","10","6","8","1") = "9"
    & skf18("8","5","3","10","6","9","1") = "9"
    & skf18("8","5","3","10","6","10","1") = "9"
    & skf18("8","5","3","10","7","1","1") = "9"
    & skf18("8","5","3","10","7","2","1") = "9"
    & skf18("8","5","3","10","7","3","1") = "9"
    & skf18("8","5","3","10","7","4","1") = "9"
    & skf18("8","5","3","10","7","5","1") = "9"
    & skf18("8","5","3","10","7","6","1") = "9"
    & skf18("8","5","3","10","7","7","1") = "9"
    & skf18("8","5","3","10","7","8","1") = "9"
    & skf18("8","5","3","10","7","9","1") = "9"
    & skf18("8","5","3","10","7","10","1") = "9"
    & skf18("8","5","3","10","8","1","1") = "9"
    & skf18("8","5","3","10","8","2","1") = "9"
    & skf18("8","5","3","10","8","3","1") = "9"
    & skf18("8","5","3","10","8","4","1") = "9"
    & skf18("8","5","3","10","8","5","1") = "9"
    & skf18("8","5","3","10","8","6","1") = "9"
    & skf18("8","5","3","10","8","7","1") = "9"
    & skf18("8","5","3","10","8","8","1") = "9"
    & skf18("8","5","3","10","8","9","1") = "9"
    & skf18("8","5","3","10","8","10","1") = "9"
    & skf18("8","5","3","10","9","1","1") = "9"
    & skf18("8","5","3","10","9","2","1") = "9"
    & skf18("8","5","3","10","9","3","1") = "9"
    & skf18("8","5","3","10","9","4","1") = "9"
    & skf18("8","5","3","10","9","5","1") = "9"
    & skf18("8","5","3","10","9","6","1") = "9"
    & skf18("8","5","3","10","9","7","1") = "9"
    & skf18("8","5","3","10","9","8","1") = "9"
    & skf18("8","5","3","10","9","9","1") = "9"
    & skf18("8","5","3","10","9","10","1") = "9"
    & skf18("8","5","3","10","10","1","1") = "9"
    & skf18("8","5","3","10","10","2","1") = "9"
    & skf18("8","5","3","10","10","3","1") = "9"
    & skf18("8","5","3","10","10","4","1") = "9"
    & skf18("8","5","3","10","10","5","1") = "9"
    & skf18("8","5","3","10","10","6","1") = "9"
    & skf18("8","5","3","10","10","7","1") = "9"
    & skf18("8","5","3","10","10","8","1") = "9"
    & skf18("8","5","3","10","10","9","1") = "9"
    & skf18("8","5","3","10","10","10","1") = "9"
    & skf18("8","5","4","1","1","1","1") = "7"
    & skf18("8","5","4","1","1","2","1") = "7"
    & skf18("8","5","4","1","1","3","1") = "7"
    & skf18("8","5","4","1","1","4","1") = "7"
    & skf18("8","5","4","1","1","5","1") = "7"
    & skf18("8","5","4","1","1","6","1") = "7"
    & skf18("8","5","4","1","1","7","1") = "7"
    & skf18("8","5","4","1","1","8","1") = "7"
    & skf18("8","5","4","1","1","9","1") = "8"
    & skf18("8","5","4","1","1","10","1") = "9"
    & skf18("8","5","4","1","2","1","1") = "7"
    & skf18("8","5","4","1","2","2","1") = "7"
    & skf18("8","5","4","1","2","3","1") = "7"
    & skf18("8","5","4","1","2","4","1") = "7"
    & skf18("8","5","4","1","2","5","1") = "7"
    & skf18("8","5","4","1","2","6","1") = "7"
    & skf18("8","5","4","1","2","7","1") = "7"
    & skf18("8","5","4","1","2","8","1") = "7"
    & skf18("8","5","4","1","2","9","1") = "8"
    & skf18("8","5","4","1","2","10","1") = "9"
    & skf18("8","5","4","1","3","1","1") = "7"
    & skf18("8","5","4","1","3","2","1") = "7"
    & skf18("8","5","4","1","3","3","1") = "7"
    & skf18("8","5","4","1","3","4","1") = "7"
    & skf18("8","5","4","1","3","5","1") = "7"
    & skf18("8","5","4","1","3","6","1") = "7"
    & skf18("8","5","4","1","3","7","1") = "7"
    & skf18("8","5","4","1","3","8","1") = "7"
    & skf18("8","5","4","1","3","9","1") = "8"
    & skf18("8","5","4","1","3","10","1") = "9"
    & skf18("8","5","4","1","4","1","1") = "7"
    & skf18("8","5","4","1","4","2","1") = "7"
    & skf18("8","5","4","1","4","3","1") = "7"
    & skf18("8","5","4","1","4","4","1") = "7"
    & skf18("8","5","4","1","4","5","1") = "7"
    & skf18("8","5","4","1","4","6","1") = "7"
    & skf18("8","5","4","1","4","7","1") = "7"
    & skf18("8","5","4","1","4","8","1") = "7"
    & skf18("8","5","4","1","4","9","1") = "8"
    & skf18("8","5","4","1","4","10","1") = "9"
    & skf18("8","5","4","1","5","1","1") = "7"
    & skf18("8","5","4","1","5","2","1") = "7"
    & skf18("8","5","4","1","5","3","1") = "7"
    & skf18("8","5","4","1","5","4","1") = "7"
    & skf18("8","5","4","1","5","5","1") = "7"
    & skf18("8","5","4","1","5","6","1") = "7"
    & skf18("8","5","4","1","5","7","1") = "7"
    & skf18("8","5","4","1","5","8","1") = "7"
    & skf18("8","5","4","1","5","9","1") = "8"
    & skf18("8","5","4","1","5","10","1") = "9"
    & skf18("8","5","4","1","6","1","1") = "7"
    & skf18("8","5","4","1","6","2","1") = "7"
    & skf18("8","5","4","1","6","3","1") = "7"
    & skf18("8","5","4","1","6","4","1") = "7"
    & skf18("8","5","4","1","6","5","1") = "7"
    & skf18("8","5","4","1","6","6","1") = "7"
    & skf18("8","5","4","1","6","7","1") = "7"
    & skf18("8","5","4","1","6","8","1") = "7"
    & skf18("8","5","4","1","6","9","1") = "8"
    & skf18("8","5","4","1","6","10","1") = "9"
    & skf18("8","5","4","1","7","1","1") = "7"
    & skf18("8","5","4","1","7","2","1") = "7"
    & skf18("8","5","4","1","7","3","1") = "7"
    & skf18("8","5","4","1","7","4","1") = "7"
    & skf18("8","5","4","1","7","5","1") = "7"
    & skf18("8","5","4","1","7","6","1") = "7"
    & skf18("8","5","4","1","7","7","1") = "7"
    & skf18("8","5","4","1","7","8","1") = "7"
    & skf18("8","5","4","1","7","9","1") = "8"
    & skf18("8","5","4","1","7","10","1") = "9"
    & skf18("8","5","4","1","8","1","1") = "7"
    & skf18("8","5","4","1","8","2","1") = "7"
    & skf18("8","5","4","1","8","3","1") = "7"
    & skf18("8","5","4","1","8","4","1") = "7"
    & skf18("8","5","4","1","8","5","1") = "7"
    & skf18("8","5","4","1","8","6","1") = "7"
    & skf18("8","5","4","1","8","7","1") = "7"
    & skf18("8","5","4","1","8","8","1") = "7"
    & skf18("8","5","4","1","8","9","1") = "8"
    & skf18("8","5","4","1","8","10","1") = "9"
    & skf18("8","5","4","1","9","1","1") = "8"
    & skf18("8","5","4","1","9","2","1") = "8"
    & skf18("8","5","4","1","9","3","1") = "8"
    & skf18("8","5","4","1","9","4","1") = "8"
    & skf18("8","5","4","1","9","5","1") = "8"
    & skf18("8","5","4","1","9","6","1") = "8"
    & skf18("8","5","4","1","9","7","1") = "8"
    & skf18("8","5","4","1","9","8","1") = "8"
    & skf18("8","5","4","1","9","9","1") = "8"
    & skf18("8","5","4","1","9","10","1") = "9"
    & skf18("8","5","4","1","10","1","1") = "9"
    & skf18("8","5","4","1","10","2","1") = "9"
    & skf18("8","5","4","1","10","3","1") = "9"
    & skf18("8","5","4","1","10","4","1") = "9"
    & skf18("8","5","4","1","10","5","1") = "9"
    & skf18("8","5","4","1","10","6","1") = "9"
    & skf18("8","5","4","1","10","7","1") = "9"
    & skf18("8","5","4","1","10","8","1") = "9"
    & skf18("8","5","4","1","10","9","1") = "9"
    & skf18("8","5","4","1","10","10","1") = "9"
    & skf18("8","5","4","2","1","1","1") = "7"
    & skf18("8","5","4","2","1","2","1") = "7"
    & skf18("8","5","4","2","1","3","1") = "7"
    & skf18("8","5","4","2","1","4","1") = "7"
    & skf18("8","5","4","2","1","5","1") = "7"
    & skf18("8","5","4","2","1","6","1") = "7"
    & skf18("8","5","4","2","1","7","1") = "7"
    & skf18("8","5","4","2","1","8","1") = "7"
    & skf18("8","5","4","2","1","9","1") = "8"
    & skf18("8","5","4","2","1","10","1") = "9"
    & skf18("8","5","4","2","2","1","1") = "7"
    & skf18("8","5","4","2","2","2","1") = "7"
    & skf18("8","5","4","2","2","3","1") = "7"
    & skf18("8","5","4","2","2","4","1") = "7"
    & skf18("8","5","4","2","2","5","1") = "7"
    & skf18("8","5","4","2","2","6","1") = "7"
    & skf18("8","5","4","2","2","7","1") = "7"
    & skf18("8","5","4","2","2","8","1") = "7"
    & skf18("8","5","4","2","2","9","1") = "8"
    & skf18("8","5","4","2","2","10","1") = "9"
    & skf18("8","5","4","2","3","1","1") = "7"
    & skf18("8","5","4","2","3","2","1") = "7"
    & skf18("8","5","4","2","3","3","1") = "7"
    & skf18("8","5","4","2","3","4","1") = "7"
    & skf18("8","5","4","2","3","5","1") = "7"
    & skf18("8","5","4","2","3","6","1") = "7"
    & skf18("8","5","4","2","3","7","1") = "7"
    & skf18("8","5","4","2","3","8","1") = "7"
    & skf18("8","5","4","2","3","9","1") = "8"
    & skf18("8","5","4","2","3","10","1") = "9"
    & skf18("8","5","4","2","4","1","1") = "7"
    & skf18("8","5","4","2","4","2","1") = "7"
    & skf18("8","5","4","2","4","3","1") = "7"
    & skf18("8","5","4","2","4","4","1") = "7"
    & skf18("8","5","4","2","4","5","1") = "7"
    & skf18("8","5","4","2","4","6","1") = "7"
    & skf18("8","5","4","2","4","7","1") = "7"
    & skf18("8","5","4","2","4","8","1") = "7"
    & skf18("8","5","4","2","4","9","1") = "8"
    & skf18("8","5","4","2","4","10","1") = "9"
    & skf18("8","5","4","2","5","1","1") = "7"
    & skf18("8","5","4","2","5","2","1") = "7"
    & skf18("8","5","4","2","5","3","1") = "7"
    & skf18("8","5","4","2","5","4","1") = "7"
    & skf18("8","5","4","2","5","5","1") = "7"
    & skf18("8","5","4","2","5","6","1") = "7"
    & skf18("8","5","4","2","5","7","1") = "7"
    & skf18("8","5","4","2","5","8","1") = "7"
    & skf18("8","5","4","2","5","9","1") = "8"
    & skf18("8","5","4","2","5","10","1") = "9"
    & skf18("8","5","4","2","6","1","1") = "7"
    & skf18("8","5","4","2","6","2","1") = "7"
    & skf18("8","5","4","2","6","3","1") = "7"
    & skf18("8","5","4","2","6","4","1") = "7"
    & skf18("8","5","4","2","6","5","1") = "7"
    & skf18("8","5","4","2","6","6","1") = "7"
    & skf18("8","5","4","2","6","7","1") = "7"
    & skf18("8","5","4","2","6","8","1") = "7"
    & skf18("8","5","4","2","6","9","1") = "8"
    & skf18("8","5","4","2","6","10","1") = "9"
    & skf18("8","5","4","2","7","1","1") = "7"
    & skf18("8","5","4","2","7","2","1") = "7"
    & skf18("8","5","4","2","7","3","1") = "7"
    & skf18("8","5","4","2","7","4","1") = "7"
    & skf18("8","5","4","2","7","5","1") = "7"
    & skf18("8","5","4","2","7","6","1") = "7"
    & skf18("8","5","4","2","7","7","1") = "7"
    & skf18("8","5","4","2","7","8","1") = "7"
    & skf18("8","5","4","2","7","9","1") = "8"
    & skf18("8","5","4","2","7","10","1") = "9"
    & skf18("8","5","4","2","8","1","1") = "7"
    & skf18("8","5","4","2","8","2","1") = "7"
    & skf18("8","5","4","2","8","3","1") = "7"
    & skf18("8","5","4","2","8","4","1") = "7"
    & skf18("8","5","4","2","8","5","1") = "7"
    & skf18("8","5","4","2","8","6","1") = "7"
    & skf18("8","5","4","2","8","7","1") = "7"
    & skf18("8","5","4","2","8","8","1") = "7"
    & skf18("8","5","4","2","8","9","1") = "8"
    & skf18("8","5","4","2","8","10","1") = "9"
    & skf18("8","5","4","2","9","1","1") = "8"
    & skf18("8","5","4","2","9","2","1") = "8"
    & skf18("8","5","4","2","9","3","1") = "8"
    & skf18("8","5","4","2","9","4","1") = "8"
    & skf18("8","5","4","2","9","5","1") = "8"
    & skf18("8","5","4","2","9","6","1") = "8"
    & skf18("8","5","4","2","9","7","1") = "8"
    & skf18("8","5","4","2","9","8","1") = "8"
    & skf18("8","5","4","2","9","9","1") = "8"
    & skf18("8","5","4","2","9","10","1") = "9"
    & skf18("8","5","4","2","10","1","1") = "9"
    & skf18("8","5","4","2","10","2","1") = "9"
    & skf18("8","5","4","2","10","3","1") = "9"
    & skf18("8","5","4","2","10","4","1") = "9"
    & skf18("8","5","4","2","10","5","1") = "9"
    & skf18("8","5","4","2","10","6","1") = "9"
    & skf18("8","5","4","2","10","7","1") = "9"
    & skf18("8","5","4","2","10","8","1") = "9"
    & skf18("8","5","4","2","10","9","1") = "9"
    & skf18("8","5","4","2","10","10","1") = "9"
    & skf18("8","5","4","3","1","1","1") = "7"
    & skf18("8","5","4","3","1","2","1") = "7"
    & skf18("8","5","4","3","1","3","1") = "7"
    & skf18("8","5","4","3","1","4","1") = "7"
    & skf18("8","5","4","3","1","5","1") = "7"
    & skf18("8","5","4","3","1","6","1") = "7"
    & skf18("8","5","4","3","1","7","1") = "7"
    & skf18("8","5","4","3","1","8","1") = "7"
    & skf18("8","5","4","3","1","9","1") = "8"
    & skf18("8","5","4","3","1","10","1") = "9"
    & skf18("8","5","4","3","2","1","1") = "7"
    & skf18("8","5","4","3","2","2","1") = "7"
    & skf18("8","5","4","3","2","3","1") = "7"
    & skf18("8","5","4","3","2","4","1") = "7"
    & skf18("8","5","4","3","2","5","1") = "7"
    & skf18("8","5","4","3","2","6","1") = "7"
    & skf18("8","5","4","3","2","7","1") = "7"
    & skf18("8","5","4","3","2","8","1") = "7"
    & skf18("8","5","4","3","2","9","1") = "8"
    & skf18("8","5","4","3","2","10","1") = "9"
    & skf18("8","5","4","3","3","1","1") = "7"
    & skf18("8","5","4","3","3","2","1") = "7"
    & skf18("8","5","4","3","3","3","1") = "7"
    & skf18("8","5","4","3","3","4","1") = "7"
    & skf18("8","5","4","3","3","5","1") = "7"
    & skf18("8","5","4","3","3","6","1") = "7"
    & skf18("8","5","4","3","3","7","1") = "7"
    & skf18("8","5","4","3","3","8","1") = "7"
    & skf18("8","5","4","3","3","9","1") = "8"
    & skf18("8","5","4","3","3","10","1") = "9"
    & skf18("8","5","4","3","4","1","1") = "7"
    & skf18("8","5","4","3","4","2","1") = "7"
    & skf18("8","5","4","3","4","3","1") = "7"
    & skf18("8","5","4","3","4","4","1") = "7"
    & skf18("8","5","4","3","4","5","1") = "7"
    & skf18("8","5","4","3","4","6","1") = "7"
    & skf18("8","5","4","3","4","7","1") = "7"
    & skf18("8","5","4","3","4","8","1") = "7"
    & skf18("8","5","4","3","4","9","1") = "8"
    & skf18("8","5","4","3","4","10","1") = "9"
    & skf18("8","5","4","3","5","1","1") = "7"
    & skf18("8","5","4","3","5","2","1") = "7"
    & skf18("8","5","4","3","5","3","1") = "7"
    & skf18("8","5","4","3","5","4","1") = "7"
    & skf18("8","5","4","3","5","5","1") = "7"
    & skf18("8","5","4","3","5","6","1") = "7"
    & skf18("8","5","4","3","5","7","1") = "7"
    & skf18("8","5","4","3","5","8","1") = "7"
    & skf18("8","5","4","3","5","9","1") = "8"
    & skf18("8","5","4","3","5","10","1") = "9"
    & skf18("8","5","4","3","6","1","1") = "7"
    & skf18("8","5","4","3","6","2","1") = "7"
    & skf18("8","5","4","3","6","3","1") = "7"
    & skf18("8","5","4","3","6","4","1") = "7"
    & skf18("8","5","4","3","6","5","1") = "7"
    & skf18("8","5","4","3","6","6","1") = "7"
    & skf18("8","5","4","3","6","7","1") = "7"
    & skf18("8","5","4","3","6","8","1") = "7"
    & skf18("8","5","4","3","6","9","1") = "8"
    & skf18("8","5","4","3","6","10","1") = "9"
    & skf18("8","5","4","3","7","1","1") = "7"
    & skf18("8","5","4","3","7","2","1") = "7"
    & skf18("8","5","4","3","7","3","1") = "7"
    & skf18("8","5","4","3","7","4","1") = "7"
    & skf18("8","5","4","3","7","5","1") = "7"
    & skf18("8","5","4","3","7","6","1") = "7"
    & skf18("8","5","4","3","7","7","1") = "7"
    & skf18("8","5","4","3","7","8","1") = "7"
    & skf18("8","5","4","3","7","9","1") = "8"
    & skf18("8","5","4","3","7","10","1") = "9"
    & skf18("8","5","4","3","8","1","1") = "7"
    & skf18("8","5","4","3","8","2","1") = "7"
    & skf18("8","5","4","3","8","3","1") = "7"
    & skf18("8","5","4","3","8","4","1") = "7"
    & skf18("8","5","4","3","8","5","1") = "7"
    & skf18("8","5","4","3","8","6","1") = "7"
    & skf18("8","5","4","3","8","7","1") = "7"
    & skf18("8","5","4","3","8","8","1") = "7"
    & skf18("8","5","4","3","8","9","1") = "8"
    & skf18("8","5","4","3","8","10","1") = "9"
    & skf18("8","5","4","3","9","1","1") = "8"
    & skf18("8","5","4","3","9","2","1") = "8"
    & skf18("8","5","4","3","9","3","1") = "8"
    & skf18("8","5","4","3","9","4","1") = "8"
    & skf18("8","5","4","3","9","5","1") = "8"
    & skf18("8","5","4","3","9","6","1") = "8"
    & skf18("8","5","4","3","9","7","1") = "8"
    & skf18("8","5","4","3","9","8","1") = "8"
    & skf18("8","5","4","3","9","9","1") = "8"
    & skf18("8","5","4","3","9","10","1") = "9"
    & skf18("8","5","4","3","10","1","1") = "9"
    & skf18("8","5","4","3","10","2","1") = "9"
    & skf18("8","5","4","3","10","3","1") = "9"
    & skf18("8","5","4","3","10","4","1") = "9"
    & skf18("8","5","4","3","10","5","1") = "9"
    & skf18("8","5","4","3","10","6","1") = "9"
    & skf18("8","5","4","3","10","7","1") = "9"
    & skf18("8","5","4","3","10","8","1") = "9"
    & skf18("8","5","4","3","10","9","1") = "9"
    & skf18("8","5","4","3","10","10","1") = "9"
    & skf18("8","5","4","4","1","1","1") = "7"
    & skf18("8","5","4","4","1","2","1") = "7"
    & skf18("8","5","4","4","1","3","1") = "7"
    & skf18("8","5","4","4","1","4","1") = "7"
    & skf18("8","5","4","4","1","5","1") = "7"
    & skf18("8","5","4","4","1","6","1") = "7"
    & skf18("8","5","4","4","1","7","1") = "7"
    & skf18("8","5","4","4","1","8","1") = "7"
    & skf18("8","5","4","4","1","9","1") = "8"
    & skf18("8","5","4","4","1","10","1") = "9"
    & skf18("8","5","4","4","2","1","1") = "7"
    & skf18("8","5","4","4","2","2","1") = "7"
    & skf18("8","5","4","4","2","3","1") = "7"
    & skf18("8","5","4","4","2","4","1") = "7"
    & skf18("8","5","4","4","2","5","1") = "7"
    & skf18("8","5","4","4","2","6","1") = "7"
    & skf18("8","5","4","4","2","7","1") = "7"
    & skf18("8","5","4","4","2","8","1") = "7"
    & skf18("8","5","4","4","2","9","1") = "8"
    & skf18("8","5","4","4","2","10","1") = "9"
    & skf18("8","5","4","4","3","1","1") = "7"
    & skf18("8","5","4","4","3","2","1") = "7"
    & skf18("8","5","4","4","3","3","1") = "7"
    & skf18("8","5","4","4","3","4","1") = "7"
    & skf18("8","5","4","4","3","5","1") = "7"
    & skf18("8","5","4","4","3","6","1") = "7"
    & skf18("8","5","4","4","3","7","1") = "7"
    & skf18("8","5","4","4","3","8","1") = "7"
    & skf18("8","5","4","4","3","9","1") = "8"
    & skf18("8","5","4","4","3","10","1") = "9"
    & skf18("8","5","4","4","4","1","1") = "7"
    & skf18("8","5","4","4","4","2","1") = "7"
    & skf18("8","5","4","4","4","3","1") = "7"
    & skf18("8","5","4","4","4","4","1") = "7"
    & skf18("8","5","4","4","4","5","1") = "7"
    & skf18("8","5","4","4","4","6","1") = "7"
    & skf18("8","5","4","4","4","7","1") = "7"
    & skf18("8","5","4","4","4","8","1") = "7"
    & skf18("8","5","4","4","4","9","1") = "8"
    & skf18("8","5","4","4","4","10","1") = "9"
    & skf18("8","5","4","4","5","1","1") = "7"
    & skf18("8","5","4","4","5","2","1") = "7"
    & skf18("8","5","4","4","5","3","1") = "7"
    & skf18("8","5","4","4","5","4","1") = "7"
    & skf18("8","5","4","4","5","5","1") = "7"
    & skf18("8","5","4","4","5","6","1") = "7"
    & skf18("8","5","4","4","5","7","1") = "7"
    & skf18("8","5","4","4","5","8","1") = "7"
    & skf18("8","5","4","4","5","9","1") = "8"
    & skf18("8","5","4","4","5","10","1") = "9"
    & skf18("8","5","4","4","6","1","1") = "7"
    & skf18("8","5","4","4","6","2","1") = "7"
    & skf18("8","5","4","4","6","3","1") = "7"
    & skf18("8","5","4","4","6","4","1") = "7"
    & skf18("8","5","4","4","6","5","1") = "7"
    & skf18("8","5","4","4","6","6","1") = "7"
    & skf18("8","5","4","4","6","7","1") = "7"
    & skf18("8","5","4","4","6","8","1") = "7"
    & skf18("8","5","4","4","6","9","1") = "8"
    & skf18("8","5","4","4","6","10","1") = "9"
    & skf18("8","5","4","4","7","1","1") = "7"
    & skf18("8","5","4","4","7","2","1") = "7"
    & skf18("8","5","4","4","7","3","1") = "7"
    & skf18("8","5","4","4","7","4","1") = "7"
    & skf18("8","5","4","4","7","5","1") = "7"
    & skf18("8","5","4","4","7","6","1") = "7"
    & skf18("8","5","4","4","7","7","1") = "7"
    & skf18("8","5","4","4","7","8","1") = "7"
    & skf18("8","5","4","4","7","9","1") = "8"
    & skf18("8","5","4","4","7","10","1") = "9"
    & skf18("8","5","4","4","8","1","1") = "7"
    & skf18("8","5","4","4","8","2","1") = "7"
    & skf18("8","5","4","4","8","3","1") = "7"
    & skf18("8","5","4","4","8","4","1") = "7"
    & skf18("8","5","4","4","8","5","1") = "7"
    & skf18("8","5","4","4","8","6","1") = "7"
    & skf18("8","5","4","4","8","7","1") = "7"
    & skf18("8","5","4","4","8","8","1") = "7"
    & skf18("8","5","4","4","8","9","1") = "8"
    & skf18("8","5","4","4","8","10","1") = "9"
    & skf18("8","5","4","4","9","1","1") = "8"
    & skf18("8","5","4","4","9","2","1") = "8"
    & skf18("8","5","4","4","9","3","1") = "8"
    & skf18("8","5","4","4","9","4","1") = "8"
    & skf18("8","5","4","4","9","5","1") = "8"
    & skf18("8","5","4","4","9","6","1") = "8"
    & skf18("8","5","4","4","9","7","1") = "8"
    & skf18("8","5","4","4","9","8","1") = "8"
    & skf18("8","5","4","4","9","9","1") = "8"
    & skf18("8","5","4","4","9","10","1") = "9"
    & skf18("8","5","4","4","10","1","1") = "9"
    & skf18("8","5","4","4","10","2","1") = "9"
    & skf18("8","5","4","4","10","3","1") = "9"
    & skf18("8","5","4","4","10","4","1") = "9"
    & skf18("8","5","4","4","10","5","1") = "9"
    & skf18("8","5","4","4","10","6","1") = "9"
    & skf18("8","5","4","4","10","7","1") = "9"
    & skf18("8","5","4","4","10","8","1") = "9"
    & skf18("8","5","4","4","10","9","1") = "9"
    & skf18("8","5","4","4","10","10","1") = "9"
    & skf18("8","5","4","5","1","1","1") = "7"
    & skf18("8","5","4","5","1","2","1") = "7"
    & skf18("8","5","4","5","1","3","1") = "7"
    & skf18("8","5","4","5","1","4","1") = "7"
    & skf18("8","5","4","5","1","5","1") = "7"
    & skf18("8","5","4","5","1","6","1") = "7"
    & skf18("8","5","4","5","1","7","1") = "7"
    & skf18("8","5","4","5","1","8","1") = "7"
    & skf18("8","5","4","5","1","9","1") = "8"
    & skf18("8","5","4","5","1","10","1") = "9"
    & skf18("8","5","4","5","2","1","1") = "7"
    & skf18("8","5","4","5","2","2","1") = "7"
    & skf18("8","5","4","5","2","3","1") = "7"
    & skf18("8","5","4","5","2","4","1") = "7"
    & skf18("8","5","4","5","2","5","1") = "7"
    & skf18("8","5","4","5","2","6","1") = "7"
    & skf18("8","5","4","5","2","7","1") = "7"
    & skf18("8","5","4","5","2","8","1") = "7"
    & skf18("8","5","4","5","2","9","1") = "8"
    & skf18("8","5","4","5","2","10","1") = "9"
    & skf18("8","5","4","5","3","1","1") = "7"
    & skf18("8","5","4","5","3","2","1") = "7"
    & skf18("8","5","4","5","3","3","1") = "7"
    & skf18("8","5","4","5","3","4","1") = "7"
    & skf18("8","5","4","5","3","5","1") = "7"
    & skf18("8","5","4","5","3","6","1") = "7"
    & skf18("8","5","4","5","3","7","1") = "7"
    & skf18("8","5","4","5","3","8","1") = "7"
    & skf18("8","5","4","5","3","9","1") = "8"
    & skf18("8","5","4","5","3","10","1") = "9"
    & skf18("8","5","4","5","4","1","1") = "7"
    & skf18("8","5","4","5","4","2","1") = "7"
    & skf18("8","5","4","5","4","3","1") = "7"
    & skf18("8","5","4","5","4","4","1") = "7"
    & skf18("8","5","4","5","4","5","1") = "7"
    & skf18("8","5","4","5","4","6","1") = "7"
    & skf18("8","5","4","5","4","7","1") = "7"
    & skf18("8","5","4","5","4","8","1") = "7"
    & skf18("8","5","4","5","4","9","1") = "8"
    & skf18("8","5","4","5","4","10","1") = "9"
    & skf18("8","5","4","5","5","1","1") = "7"
    & skf18("8","5","4","5","5","2","1") = "7"
    & skf18("8","5","4","5","5","3","1") = "7"
    & skf18("8","5","4","5","5","4","1") = "7"
    & skf18("8","5","4","5","5","5","1") = "7"
    & skf18("8","5","4","5","5","6","1") = "7"
    & skf18("8","5","4","5","5","7","1") = "7"
    & skf18("8","5","4","5","5","8","1") = "7"
    & skf18("8","5","4","5","5","9","1") = "8"
    & skf18("8","5","4","5","5","10","1") = "9"
    & skf18("8","5","4","5","6","1","1") = "7"
    & skf18("8","5","4","5","6","2","1") = "7"
    & skf18("8","5","4","5","6","3","1") = "7"
    & skf18("8","5","4","5","6","4","1") = "7"
    & skf18("8","5","4","5","6","5","1") = "7"
    & skf18("8","5","4","5","6","6","1") = "7"
    & skf18("8","5","4","5","6","7","1") = "7"
    & skf18("8","5","4","5","6","8","1") = "7"
    & skf18("8","5","4","5","6","9","1") = "8"
    & skf18("8","5","4","5","6","10","1") = "9"
    & skf18("8","5","4","5","7","1","1") = "7"
    & skf18("8","5","4","5","7","2","1") = "7"
    & skf18("8","5","4","5","7","3","1") = "7"
    & skf18("8","5","4","5","7","4","1") = "7"
    & skf18("8","5","4","5","7","5","1") = "7"
    & skf18("8","5","4","5","7","6","1") = "7"
    & skf18("8","5","4","5","7","7","1") = "7"
    & skf18("8","5","4","5","7","8","1") = "7"
    & skf18("8","5","4","5","7","9","1") = "8"
    & skf18("8","5","4","5","7","10","1") = "9"
    & skf18("8","5","4","5","8","1","1") = "7"
    & skf18("8","5","4","5","8","2","1") = "7"
    & skf18("8","5","4","5","8","3","1") = "7"
    & skf18("8","5","4","5","8","4","1") = "7"
    & skf18("8","5","4","5","8","5","1") = "7"
    & skf18("8","5","4","5","8","6","1") = "7"
    & skf18("8","5","4","5","8","7","1") = "7"
    & skf18("8","5","4","5","8","8","1") = "7"
    & skf18("8","5","4","5","8","9","1") = "8"
    & skf18("8","5","4","5","8","10","1") = "9"
    & skf18("8","5","4","5","9","1","1") = "8"
    & skf18("8","5","4","5","9","2","1") = "8"
    & skf18("8","5","4","5","9","3","1") = "8"
    & skf18("8","5","4","5","9","4","1") = "8"
    & skf18("8","5","4","5","9","5","1") = "8"
    & skf18("8","5","4","5","9","6","1") = "8"
    & skf18("8","5","4","5","9","7","1") = "8"
    & skf18("8","5","4","5","9","8","1") = "8"
    & skf18("8","5","4","5","9","9","1") = "8"
    & skf18("8","5","4","5","9","10","1") = "9"
    & skf18("8","5","4","5","10","1","1") = "9"
    & skf18("8","5","4","5","10","2","1") = "9"
    & skf18("8","5","4","5","10","3","1") = "9"
    & skf18("8","5","4","5","10","4","1") = "9"
    & skf18("8","5","4","5","10","5","1") = "9"
    & skf18("8","5","4","5","10","6","1") = "9"
    & skf18("8","5","4","5","10","7","1") = "9"
    & skf18("8","5","4","5","10","8","1") = "9"
    & skf18("8","5","4","5","10","9","1") = "9"
    & skf18("8","5","4","5","10","10","1") = "9"
    & skf18("8","5","4","6","1","1","1") = "7"
    & skf18("8","5","4","6","1","2","1") = "7"
    & skf18("8","5","4","6","1","3","1") = "7"
    & skf18("8","5","4","6","1","4","1") = "7"
    & skf18("8","5","4","6","1","5","1") = "7"
    & skf18("8","5","4","6","1","6","1") = "7"
    & skf18("8","5","4","6","1","7","1") = "7"
    & skf18("8","5","4","6","1","8","1") = "7"
    & skf18("8","5","4","6","1","9","1") = "8"
    & skf18("8","5","4","6","1","10","1") = "9"
    & skf18("8","5","4","6","2","1","1") = "7"
    & skf18("8","5","4","6","2","2","1") = "7"
    & skf18("8","5","4","6","2","3","1") = "7"
    & skf18("8","5","4","6","2","4","1") = "7"
    & skf18("8","5","4","6","2","5","1") = "7"
    & skf18("8","5","4","6","2","6","1") = "7"
    & skf18("8","5","4","6","2","7","1") = "7"
    & skf18("8","5","4","6","2","8","1") = "7"
    & skf18("8","5","4","6","2","9","1") = "8"
    & skf18("8","5","4","6","2","10","1") = "9"
    & skf18("8","5","4","6","3","1","1") = "7"
    & skf18("8","5","4","6","3","2","1") = "7"
    & skf18("8","5","4","6","3","3","1") = "7"
    & skf18("8","5","4","6","3","4","1") = "7"
    & skf18("8","5","4","6","3","5","1") = "7"
    & skf18("8","5","4","6","3","6","1") = "7"
    & skf18("8","5","4","6","3","7","1") = "7"
    & skf18("8","5","4","6","3","8","1") = "7"
    & skf18("8","5","4","6","3","9","1") = "8"
    & skf18("8","5","4","6","3","10","1") = "9"
    & skf18("8","5","4","6","4","1","1") = "7"
    & skf18("8","5","4","6","4","2","1") = "7"
    & skf18("8","5","4","6","4","3","1") = "7"
    & skf18("8","5","4","6","4","4","1") = "7"
    & skf18("8","5","4","6","4","5","1") = "7"
    & skf18("8","5","4","6","4","6","1") = "7"
    & skf18("8","5","4","6","4","7","1") = "7"
    & skf18("8","5","4","6","4","8","1") = "7"
    & skf18("8","5","4","6","4","9","1") = "8"
    & skf18("8","5","4","6","4","10","1") = "9"
    & skf18("8","5","4","6","5","1","1") = "7"
    & skf18("8","5","4","6","5","2","1") = "7"
    & skf18("8","5","4","6","5","3","1") = "7"
    & skf18("8","5","4","6","5","4","1") = "7"
    & skf18("8","5","4","6","5","5","1") = "7"
    & skf18("8","5","4","6","5","6","1") = "7"
    & skf18("8","5","4","6","5","7","1") = "7"
    & skf18("8","5","4","6","5","8","1") = "7"
    & skf18("8","5","4","6","5","9","1") = "8"
    & skf18("8","5","4","6","5","10","1") = "9"
    & skf18("8","5","4","6","6","1","1") = "7"
    & skf18("8","5","4","6","6","2","1") = "7"
    & skf18("8","5","4","6","6","3","1") = "7"
    & skf18("8","5","4","6","6","4","1") = "7"
    & skf18("8","5","4","6","6","5","1") = "7"
    & skf18("8","5","4","6","6","6","1") = "7"
    & skf18("8","5","4","6","6","7","1") = "7"
    & skf18("8","5","4","6","6","8","1") = "7"
    & skf18("8","5","4","6","6","9","1") = "8"
    & skf18("8","5","4","6","6","10","1") = "9"
    & skf18("8","5","4","6","7","1","1") = "7"
    & skf18("8","5","4","6","7","2","1") = "7"
    & skf18("8","5","4","6","7","3","1") = "7"
    & skf18("8","5","4","6","7","4","1") = "7"
    & skf18("8","5","4","6","7","5","1") = "7"
    & skf18("8","5","4","6","7","6","1") = "7"
    & skf18("8","5","4","6","7","7","1") = "7"
    & skf18("8","5","4","6","7","8","1") = "7"
    & skf18("8","5","4","6","7","9","1") = "8"
    & skf18("8","5","4","6","7","10","1") = "9"
    & skf18("8","5","4","6","8","1","1") = "7"
    & skf18("8","5","4","6","8","2","1") = "7"
    & skf18("8","5","4","6","8","3","1") = "7"
    & skf18("8","5","4","6","8","4","1") = "7"
    & skf18("8","5","4","6","8","5","1") = "7"
    & skf18("8","5","4","6","8","6","1") = "7"
    & skf18("8","5","4","6","8","7","1") = "7"
    & skf18("8","5","4","6","8","8","1") = "7"
    & skf18("8","5","4","6","8","9","1") = "8"
    & skf18("8","5","4","6","8","10","1") = "9"
    & skf18("8","5","4","6","9","1","1") = "8"
    & skf18("8","5","4","6","9","2","1") = "8"
    & skf18("8","5","4","6","9","3","1") = "8"
    & skf18("8","5","4","6","9","4","1") = "8"
    & skf18("8","5","4","6","9","5","1") = "8"
    & skf18("8","5","4","6","9","6","1") = "8"
    & skf18("8","5","4","6","9","7","1") = "8"
    & skf18("8","5","4","6","9","8","1") = "8"
    & skf18("8","5","4","6","9","9","1") = "8"
    & skf18("8","5","4","6","9","10","1") = "9"
    & skf18("8","5","4","6","10","1","1") = "9"
    & skf18("8","5","4","6","10","2","1") = "9"
    & skf18("8","5","4","6","10","3","1") = "9"
    & skf18("8","5","4","6","10","4","1") = "9"
    & skf18("8","5","4","6","10","5","1") = "9"
    & skf18("8","5","4","6","10","6","1") = "9"
    & skf18("8","5","4","6","10","7","1") = "9"
    & skf18("8","5","4","6","10","8","1") = "9"
    & skf18("8","5","4","6","10","9","1") = "9"
    & skf18("8","5","4","6","10","10","1") = "9"
    & skf18("8","5","4","7","1","1","1") = "7"
    & skf18("8","5","4","7","1","2","1") = "7"
    & skf18("8","5","4","7","1","3","1") = "7"
    & skf18("8","5","4","7","1","4","1") = "7"
    & skf18("8","5","4","7","1","5","1") = "7"
    & skf18("8","5","4","7","1","6","1") = "7"
    & skf18("8","5","4","7","1","7","1") = "7"
    & skf18("8","5","4","7","1","8","1") = "7"
    & skf18("8","5","4","7","1","9","1") = "8"
    & skf18("8","5","4","7","1","10","1") = "9"
    & skf18("8","5","4","7","2","1","1") = "7"
    & skf18("8","5","4","7","2","2","1") = "7"
    & skf18("8","5","4","7","2","3","1") = "7"
    & skf18("8","5","4","7","2","4","1") = "7"
    & skf18("8","5","4","7","2","5","1") = "7"
    & skf18("8","5","4","7","2","6","1") = "7"
    & skf18("8","5","4","7","2","7","1") = "7"
    & skf18("8","5","4","7","2","8","1") = "7"
    & skf18("8","5","4","7","2","9","1") = "8"
    & skf18("8","5","4","7","2","10","1") = "9"
    & skf18("8","5","4","7","3","1","1") = "7"
    & skf18("8","5","4","7","3","2","1") = "7"
    & skf18("8","5","4","7","3","3","1") = "7"
    & skf18("8","5","4","7","3","4","1") = "7"
    & skf18("8","5","4","7","3","5","1") = "7"
    & skf18("8","5","4","7","3","6","1") = "7"
    & skf18("8","5","4","7","3","7","1") = "7"
    & skf18("8","5","4","7","3","8","1") = "7"
    & skf18("8","5","4","7","3","9","1") = "8"
    & skf18("8","5","4","7","3","10","1") = "9"
    & skf18("8","5","4","7","4","1","1") = "7"
    & skf18("8","5","4","7","4","2","1") = "7"
    & skf18("8","5","4","7","4","3","1") = "7"
    & skf18("8","5","4","7","4","4","1") = "7"
    & skf18("8","5","4","7","4","5","1") = "7"
    & skf18("8","5","4","7","4","6","1") = "7"
    & skf18("8","5","4","7","4","7","1") = "7"
    & skf18("8","5","4","7","4","8","1") = "7"
    & skf18("8","5","4","7","4","9","1") = "8"
    & skf18("8","5","4","7","4","10","1") = "9"
    & skf18("8","5","4","7","5","1","1") = "7"
    & skf18("8","5","4","7","5","2","1") = "7"
    & skf18("8","5","4","7","5","3","1") = "7"
    & skf18("8","5","4","7","5","4","1") = "7"
    & skf18("8","5","4","7","5","5","1") = "7"
    & skf18("8","5","4","7","5","6","1") = "7"
    & skf18("8","5","4","7","5","7","1") = "7"
    & skf18("8","5","4","7","5","8","1") = "7"
    & skf18("8","5","4","7","5","9","1") = "8"
    & skf18("8","5","4","7","5","10","1") = "9"
    & skf18("8","5","4","7","6","1","1") = "7"
    & skf18("8","5","4","7","6","2","1") = "7"
    & skf18("8","5","4","7","6","3","1") = "7"
    & skf18("8","5","4","7","6","4","1") = "7"
    & skf18("8","5","4","7","6","5","1") = "7"
    & skf18("8","5","4","7","6","6","1") = "7"
    & skf18("8","5","4","7","6","7","1") = "7"
    & skf18("8","5","4","7","6","8","1") = "7"
    & skf18("8","5","4","7","6","9","1") = "8"
    & skf18("8","5","4","7","6","10","1") = "9"
    & skf18("8","5","4","7","7","1","1") = "7"
    & skf18("8","5","4","7","7","2","1") = "7"
    & skf18("8","5","4","7","7","3","1") = "7"
    & skf18("8","5","4","7","7","4","1") = "7"
    & skf18("8","5","4","7","7","5","1") = "7"
    & skf18("8","5","4","7","7","6","1") = "7"
    & skf18("8","5","4","7","7","7","1") = "7"
    & skf18("8","5","4","7","7","8","1") = "7"
    & skf18("8","5","4","7","7","9","1") = "8"
    & skf18("8","5","4","7","7","10","1") = "9"
    & skf18("8","5","4","7","8","1","1") = "7"
    & skf18("8","5","4","7","8","2","1") = "7"
    & skf18("8","5","4","7","8","3","1") = "7"
    & skf18("8","5","4","7","8","4","1") = "7"
    & skf18("8","5","4","7","8","5","1") = "7"
    & skf18("8","5","4","7","8","6","1") = "7"
    & skf18("8","5","4","7","8","7","1") = "7"
    & skf18("8","5","4","7","8","8","1") = "7"
    & skf18("8","5","4","7","8","9","1") = "8"
    & skf18("8","5","4","7","8","10","1") = "9"
    & skf18("8","5","4","7","9","1","1") = "8"
    & skf18("8","5","4","7","9","2","1") = "8"
    & skf18("8","5","4","7","9","3","1") = "8"
    & skf18("8","5","4","7","9","4","1") = "8"
    & skf18("8","5","4","7","9","5","1") = "8"
    & skf18("8","5","4","7","9","6","1") = "8"
    & skf18("8","5","4","7","9","7","1") = "8"
    & skf18("8","5","4","7","9","8","1") = "8"
    & skf18("8","5","4","7","9","9","1") = "8"
    & skf18("8","5","4","7","9","10","1") = "9"
    & skf18("8","5","4","7","10","1","1") = "9"
    & skf18("8","5","4","7","10","2","1") = "9"
    & skf18("8","5","4","7","10","3","1") = "9"
    & skf18("8","5","4","7","10","4","1") = "9"
    & skf18("8","5","4","7","10","5","1") = "9"
    & skf18("8","5","4","7","10","6","1") = "9"
    & skf18("8","5","4","7","10","7","1") = "9"
    & skf18("8","5","4","7","10","8","1") = "9"
    & skf18("8","5","4","7","10","9","1") = "9"
    & skf18("8","5","4","7","10","10","1") = "9"
    & skf18("8","5","4","8","1","1","1") = "7"
    & skf18("8","5","4","8","1","2","1") = "7"
    & skf18("8","5","4","8","1","3","1") = "7"
    & skf18("8","5","4","8","1","4","1") = "7"
    & skf18("8","5","4","8","1","5","1") = "7"
    & skf18("8","5","4","8","1","6","1") = "7"
    & skf18("8","5","4","8","1","7","1") = "7"
    & skf18("8","5","4","8","1","8","1") = "7"
    & skf18("8","5","4","8","1","9","1") = "8"
    & skf18("8","5","4","8","1","10","1") = "9"
    & skf18("8","5","4","8","2","1","1") = "7"
    & skf18("8","5","4","8","2","2","1") = "7"
    & skf18("8","5","4","8","2","3","1") = "7"
    & skf18("8","5","4","8","2","4","1") = "7"
    & skf18("8","5","4","8","2","5","1") = "7"
    & skf18("8","5","4","8","2","6","1") = "7"
    & skf18("8","5","4","8","2","7","1") = "7"
    & skf18("8","5","4","8","2","8","1") = "7"
    & skf18("8","5","4","8","2","9","1") = "8"
    & skf18("8","5","4","8","2","10","1") = "9"
    & skf18("8","5","4","8","3","1","1") = "7"
    & skf18("8","5","4","8","3","2","1") = "7"
    & skf18("8","5","4","8","3","3","1") = "7"
    & skf18("8","5","4","8","3","4","1") = "7"
    & skf18("8","5","4","8","3","5","1") = "7"
    & skf18("8","5","4","8","3","6","1") = "7"
    & skf18("8","5","4","8","3","7","1") = "7"
    & skf18("8","5","4","8","3","8","1") = "7"
    & skf18("8","5","4","8","3","9","1") = "8"
    & skf18("8","5","4","8","3","10","1") = "9"
    & skf18("8","5","4","8","4","1","1") = "7"
    & skf18("8","5","4","8","4","2","1") = "7"
    & skf18("8","5","4","8","4","3","1") = "7"
    & skf18("8","5","4","8","4","4","1") = "7"
    & skf18("8","5","4","8","4","5","1") = "7"
    & skf18("8","5","4","8","4","6","1") = "7"
    & skf18("8","5","4","8","4","7","1") = "7"
    & skf18("8","5","4","8","4","8","1") = "7"
    & skf18("8","5","4","8","4","9","1") = "8"
    & skf18("8","5","4","8","4","10","1") = "9"
    & skf18("8","5","4","8","5","1","1") = "7"
    & skf18("8","5","4","8","5","2","1") = "7"
    & skf18("8","5","4","8","5","3","1") = "7"
    & skf18("8","5","4","8","5","4","1") = "7"
    & skf18("8","5","4","8","5","5","1") = "7"
    & skf18("8","5","4","8","5","6","1") = "7"
    & skf18("8","5","4","8","5","7","1") = "7"
    & skf18("8","5","4","8","5","8","1") = "7"
    & skf18("8","5","4","8","5","9","1") = "8"
    & skf18("8","5","4","8","5","10","1") = "9"
    & skf18("8","5","4","8","6","1","1") = "7"
    & skf18("8","5","4","8","6","2","1") = "7"
    & skf18("8","5","4","8","6","3","1") = "7"
    & skf18("8","5","4","8","6","4","1") = "7"
    & skf18("8","5","4","8","6","5","1") = "7"
    & skf18("8","5","4","8","6","6","1") = "7"
    & skf18("8","5","4","8","6","7","1") = "7"
    & skf18("8","5","4","8","6","8","1") = "7"
    & skf18("8","5","4","8","6","9","1") = "8"
    & skf18("8","5","4","8","6","10","1") = "9"
    & skf18("8","5","4","8","7","1","1") = "7"
    & skf18("8","5","4","8","7","2","1") = "7"
    & skf18("8","5","4","8","7","3","1") = "7"
    & skf18("8","5","4","8","7","4","1") = "7"
    & skf18("8","5","4","8","7","5","1") = "7"
    & skf18("8","5","4","8","7","6","1") = "7"
    & skf18("8","5","4","8","7","7","1") = "7"
    & skf18("8","5","4","8","7","8","1") = "7"
    & skf18("8","5","4","8","7","9","1") = "8"
    & skf18("8","5","4","8","7","10","1") = "9"
    & skf18("8","5","4","8","8","1","1") = "7"
    & skf18("8","5","4","8","8","2","1") = "7"
    & skf18("8","5","4","8","8","3","1") = "7"
    & skf18("8","5","4","8","8","4","1") = "7"
    & skf18("8","5","4","8","8","5","1") = "7"
    & skf18("8","5","4","8","8","6","1") = "7"
    & skf18("8","5","4","8","8","7","1") = "7"
    & skf18("8","5","4","8","8","8","1") = "7"
    & skf18("8","5","4","8","8","9","1") = "8"
    & skf18("8","5","4","8","8","10","1") = "9"
    & skf18("8","5","4","8","9","1","1") = "8"
    & skf18("8","5","4","8","9","2","1") = "8"
    & skf18("8","5","4","8","9","3","1") = "8"
    & skf18("8","5","4","8","9","4","1") = "8"
    & skf18("8","5","4","8","9","5","1") = "8"
    & skf18("8","5","4","8","9","6","1") = "8"
    & skf18("8","5","4","8","9","7","1") = "8"
    & skf18("8","5","4","8","9","8","1") = "8"
    & skf18("8","5","4","8","9","9","1") = "8"
    & skf18("8","5","4","8","9","10","1") = "9"
    & skf18("8","5","4","8","10","1","1") = "9"
    & skf18("8","5","4","8","10","2","1") = "9"
    & skf18("8","5","4","8","10","3","1") = "9"
    & skf18("8","5","4","8","10","4","1") = "9"
    & skf18("8","5","4","8","10","5","1") = "9"
    & skf18("8","5","4","8","10","6","1") = "9"
    & skf18("8","5","4","8","10","7","1") = "9"
    & skf18("8","5","4","8","10","8","1") = "9"
    & skf18("8","5","4","8","10","9","1") = "9"
    & skf18("8","5","4","8","10","10","1") = "9"
    & skf18("8","5","4","9","1","1","1") = "8"
    & skf18("8","5","4","9","1","2","1") = "8"
    & skf18("8","5","4","9","1","3","1") = "8"
    & skf18("8","5","4","9","1","4","1") = "8"
    & skf18("8","5","4","9","1","5","1") = "8"
    & skf18("8","5","4","9","1","6","1") = "8"
    & skf18("8","5","4","9","1","7","1") = "8"
    & skf18("8","5","4","9","1","8","1") = "8"
    & skf18("8","5","4","9","1","9","1") = "8"
    & skf18("8","5","4","9","1","10","1") = "9"
    & skf18("8","5","4","9","2","1","1") = "8"
    & skf18("8","5","4","9","2","2","1") = "8"
    & skf18("8","5","4","9","2","3","1") = "8"
    & skf18("8","5","4","9","2","4","1") = "8"
    & skf18("8","5","4","9","2","5","1") = "8"
    & skf18("8","5","4","9","2","6","1") = "8"
    & skf18("8","5","4","9","2","7","1") = "8"
    & skf18("8","5","4","9","2","8","1") = "8"
    & skf18("8","5","4","9","2","9","1") = "8"
    & skf18("8","5","4","9","2","10","1") = "9"
    & skf18("8","5","4","9","3","1","1") = "8"
    & skf18("8","5","4","9","3","2","1") = "8"
    & skf18("8","5","4","9","3","3","1") = "8"
    & skf18("8","5","4","9","3","4","1") = "8"
    & skf18("8","5","4","9","3","5","1") = "8"
    & skf18("8","5","4","9","3","6","1") = "8"
    & skf18("8","5","4","9","3","7","1") = "8"
    & skf18("8","5","4","9","3","8","1") = "8"
    & skf18("8","5","4","9","3","9","1") = "8"
    & skf18("8","5","4","9","3","10","1") = "9"
    & skf18("8","5","4","9","4","1","1") = "8"
    & skf18("8","5","4","9","4","2","1") = "8"
    & skf18("8","5","4","9","4","3","1") = "8"
    & skf18("8","5","4","9","4","4","1") = "8"
    & skf18("8","5","4","9","4","5","1") = "8"
    & skf18("8","5","4","9","4","6","1") = "8"
    & skf18("8","5","4","9","4","7","1") = "8"
    & skf18("8","5","4","9","4","8","1") = "8"
    & skf18("8","5","4","9","4","9","1") = "8"
    & skf18("8","5","4","9","4","10","1") = "9"
    & skf18("8","5","4","9","5","1","1") = "8"
    & skf18("8","5","4","9","5","2","1") = "8"
    & skf18("8","5","4","9","5","3","1") = "8"
    & skf18("8","5","4","9","5","4","1") = "8"
    & skf18("8","5","4","9","5","5","1") = "8"
    & skf18("8","5","4","9","5","6","1") = "8"
    & skf18("8","5","4","9","5","7","1") = "8"
    & skf18("8","5","4","9","5","8","1") = "8"
    & skf18("8","5","4","9","5","9","1") = "8"
    & skf18("8","5","4","9","5","10","1") = "9"
    & skf18("8","5","4","9","6","1","1") = "8"
    & skf18("8","5","4","9","6","2","1") = "8"
    & skf18("8","5","4","9","6","3","1") = "8"
    & skf18("8","5","4","9","6","4","1") = "8"
    & skf18("8","5","4","9","6","5","1") = "8"
    & skf18("8","5","4","9","6","6","1") = "8"
    & skf18("8","5","4","9","6","7","1") = "8"
    & skf18("8","5","4","9","6","8","1") = "8"
    & skf18("8","5","4","9","6","9","1") = "8"
    & skf18("8","5","4","9","6","10","1") = "9"
    & skf18("8","5","4","9","7","1","1") = "8"
    & skf18("8","5","4","9","7","2","1") = "8"
    & skf18("8","5","4","9","7","3","1") = "8"
    & skf18("8","5","4","9","7","4","1") = "8"
    & skf18("8","5","4","9","7","5","1") = "8"
    & skf18("8","5","4","9","7","6","1") = "8"
    & skf18("8","5","4","9","7","7","1") = "8"
    & skf18("8","5","4","9","7","8","1") = "8"
    & skf18("8","5","4","9","7","9","1") = "8"
    & skf18("8","5","4","9","7","10","1") = "9"
    & skf18("8","5","4","9","8","1","1") = "8"
    & skf18("8","5","4","9","8","2","1") = "8"
    & skf18("8","5","4","9","8","3","1") = "8"
    & skf18("8","5","4","9","8","4","1") = "8"
    & skf18("8","5","4","9","8","5","1") = "8"
    & skf18("8","5","4","9","8","6","1") = "8"
    & skf18("8","5","4","9","8","7","1") = "8"
    & skf18("8","5","4","9","8","8","1") = "8"
    & skf18("8","5","4","9","8","9","1") = "8"
    & skf18("8","5","4","9","8","10","1") = "9"
    & skf18("8","5","4","9","9","1","1") = "8"
    & skf18("8","5","4","9","9","2","1") = "8"
    & skf18("8","5","4","9","9","3","1") = "8"
    & skf18("8","5","4","9","9","4","1") = "8"
    & skf18("8","5","4","9","9","5","1") = "8"
    & skf18("8","5","4","9","9","6","1") = "8"
    & skf18("8","5","4","9","9","7","1") = "8"
    & skf18("8","5","4","9","9","8","1") = "8"
    & skf18("8","5","4","9","9","9","1") = "8"
    & skf18("8","5","4","9","9","10","1") = "9"
    & skf18("8","5","4","9","10","1","1") = "9"
    & skf18("8","5","4","9","10","2","1") = "9"
    & skf18("8","5","4","9","10","3","1") = "9"
    & skf18("8","5","4","9","10","4","1") = "9"
    & skf18("8","5","4","9","10","5","1") = "9"
    & skf18("8","5","4","9","10","6","1") = "9"
    & skf18("8","5","4","9","10","7","1") = "9"
    & skf18("8","5","4","9","10","8","1") = "9"
    & skf18("8","5","4","9","10","9","1") = "9"
    & skf18("8","5","4","9","10","10","1") = "9"
    & skf18("8","5","4","10","1","1","1") = "9"
    & skf18("8","5","4","10","1","2","1") = "9"
    & skf18("8","5","4","10","1","3","1") = "9"
    & skf18("8","5","4","10","1","4","1") = "9"
    & skf18("8","5","4","10","1","5","1") = "9"
    & skf18("8","5","4","10","1","6","1") = "9"
    & skf18("8","5","4","10","1","7","1") = "9"
    & skf18("8","5","4","10","1","8","1") = "9"
    & skf18("8","5","4","10","1","9","1") = "9"
    & skf18("8","5","4","10","1","10","1") = "9"
    & skf18("8","5","4","10","2","1","1") = "9"
    & skf18("8","5","4","10","2","2","1") = "9"
    & skf18("8","5","4","10","2","3","1") = "9"
    & skf18("8","5","4","10","2","4","1") = "9"
    & skf18("8","5","4","10","2","5","1") = "9"
    & skf18("8","5","4","10","2","6","1") = "9"
    & skf18("8","5","4","10","2","7","1") = "9"
    & skf18("8","5","4","10","2","8","1") = "9"
    & skf18("8","5","4","10","2","9","1") = "9"
    & skf18("8","5","4","10","2","10","1") = "9"
    & skf18("8","5","4","10","3","1","1") = "9"
    & skf18("8","5","4","10","3","2","1") = "9"
    & skf18("8","5","4","10","3","3","1") = "9"
    & skf18("8","5","4","10","3","4","1") = "9"
    & skf18("8","5","4","10","3","5","1") = "9"
    & skf18("8","5","4","10","3","6","1") = "9"
    & skf18("8","5","4","10","3","7","1") = "9"
    & skf18("8","5","4","10","3","8","1") = "9"
    & skf18("8","5","4","10","3","9","1") = "9"
    & skf18("8","5","4","10","3","10","1") = "9"
    & skf18("8","5","4","10","4","1","1") = "9"
    & skf18("8","5","4","10","4","2","1") = "9"
    & skf18("8","5","4","10","4","3","1") = "9"
    & skf18("8","5","4","10","4","4","1") = "9"
    & skf18("8","5","4","10","4","5","1") = "9"
    & skf18("8","5","4","10","4","6","1") = "9"
    & skf18("8","5","4","10","4","7","1") = "9"
    & skf18("8","5","4","10","4","8","1") = "9"
    & skf18("8","5","4","10","4","9","1") = "9"
    & skf18("8","5","4","10","4","10","1") = "9"
    & skf18("8","5","4","10","5","1","1") = "9"
    & skf18("8","5","4","10","5","2","1") = "9"
    & skf18("8","5","4","10","5","3","1") = "9"
    & skf18("8","5","4","10","5","4","1") = "9"
    & skf18("8","5","4","10","5","5","1") = "9"
    & skf18("8","5","4","10","5","6","1") = "9"
    & skf18("8","5","4","10","5","7","1") = "9"
    & skf18("8","5","4","10","5","8","1") = "9"
    & skf18("8","5","4","10","5","9","1") = "9"
    & skf18("8","5","4","10","5","10","1") = "9"
    & skf18("8","5","4","10","6","1","1") = "9"
    & skf18("8","5","4","10","6","2","1") = "9"
    & skf18("8","5","4","10","6","3","1") = "9"
    & skf18("8","5","4","10","6","4","1") = "9"
    & skf18("8","5","4","10","6","5","1") = "9"
    & skf18("8","5","4","10","6","6","1") = "9"
    & skf18("8","5","4","10","6","7","1") = "9"
    & skf18("8","5","4","10","6","8","1") = "9"
    & skf18("8","5","4","10","6","9","1") = "9"
    & skf18("8","5","4","10","6","10","1") = "9"
    & skf18("8","5","4","10","7","1","1") = "9"
    & skf18("8","5","4","10","7","2","1") = "9"
    & skf18("8","5","4","10","7","3","1") = "9"
    & skf18("8","5","4","10","7","4","1") = "9"
    & skf18("8","5","4","10","7","5","1") = "9"
    & skf18("8","5","4","10","7","6","1") = "9"
    & skf18("8","5","4","10","7","7","1") = "9"
    & skf18("8","5","4","10","7","8","1") = "9"
    & skf18("8","5","4","10","7","9","1") = "9"
    & skf18("8","5","4","10","7","10","1") = "9"
    & skf18("8","5","4","10","8","1","1") = "9"
    & skf18("8","5","4","10","8","2","1") = "9"
    & skf18("8","5","4","10","8","3","1") = "9"
    & skf18("8","5","4","10","8","4","1") = "9"
    & skf18("8","5","4","10","8","5","1") = "9"
    & skf18("8","5","4","10","8","6","1") = "9"
    & skf18("8","5","4","10","8","7","1") = "9"
    & skf18("8","5","4","10","8","8","1") = "9"
    & skf18("8","5","4","10","8","9","1") = "9"
    & skf18("8","5","4","10","8","10","1") = "9"
    & skf18("8","5","4","10","9","1","1") = "9"
    & skf18("8","5","4","10","9","2","1") = "9"
    & skf18("8","5","4","10","9","3","1") = "9"
    & skf18("8","5","4","10","9","4","1") = "9"
    & skf18("8","5","4","10","9","5","1") = "9"
    & skf18("8","5","4","10","9","6","1") = "9"
    & skf18("8","5","4","10","9","7","1") = "9"
    & skf18("8","5","4","10","9","8","1") = "9"
    & skf18("8","5","4","10","9","9","1") = "9"
    & skf18("8","5","4","10","9","10","1") = "9"
    & skf18("8","5","4","10","10","1","1") = "9"
    & skf18("8","5","4","10","10","2","1") = "9"
    & skf18("8","5","4","10","10","3","1") = "9"
    & skf18("8","5","4","10","10","4","1") = "9"
    & skf18("8","5","4","10","10","5","1") = "9"
    & skf18("8","5","4","10","10","6","1") = "9"
    & skf18("8","5","4","10","10","7","1") = "9"
    & skf18("8","5","4","10","10","8","1") = "9"
    & skf18("8","5","4","10","10","9","1") = "9"
    & skf18("8","5","4","10","10","10","1") = "9"
    & skf18("8","5","5","1","1","1","1") = "7"
    & skf18("8","5","5","1","1","2","1") = "7"
    & skf18("8","5","5","1","1","3","1") = "7"
    & skf18("8","5","5","1","1","4","1") = "7"
    & skf18("8","5","5","1","1","5","1") = "7"
    & skf18("8","5","5","1","1","6","1") = "7"
    & skf18("8","5","5","1","1","7","1") = "7"
    & skf18("8","5","5","1","1","8","1") = "7"
    & skf18("8","5","5","1","1","9","1") = "8"
    & skf18("8","5","5","1","1","10","1") = "9"
    & skf18("8","5","5","1","2","1","1") = "7"
    & skf18("8","5","5","1","2","2","1") = "7"
    & skf18("8","5","5","1","2","3","1") = "7"
    & skf18("8","5","5","1","2","4","1") = "7"
    & skf18("8","5","5","1","2","5","1") = "7"
    & skf18("8","5","5","1","2","6","1") = "7"
    & skf18("8","5","5","1","2","7","1") = "7"
    & skf18("8","5","5","1","2","8","1") = "7"
    & skf18("8","5","5","1","2","9","1") = "8"
    & skf18("8","5","5","1","2","10","1") = "9"
    & skf18("8","5","5","1","3","1","1") = "7"
    & skf18("8","5","5","1","3","2","1") = "7"
    & skf18("8","5","5","1","3","3","1") = "7"
    & skf18("8","5","5","1","3","4","1") = "7"
    & skf18("8","5","5","1","3","5","1") = "7"
    & skf18("8","5","5","1","3","6","1") = "7"
    & skf18("8","5","5","1","3","7","1") = "7"
    & skf18("8","5","5","1","3","8","1") = "7"
    & skf18("8","5","5","1","3","9","1") = "8"
    & skf18("8","5","5","1","3","10","1") = "9"
    & skf18("8","5","5","1","4","1","1") = "7"
    & skf18("8","5","5","1","4","2","1") = "7"
    & skf18("8","5","5","1","4","3","1") = "7"
    & skf18("8","5","5","1","4","4","1") = "7"
    & skf18("8","5","5","1","4","5","1") = "7"
    & skf18("8","5","5","1","4","6","1") = "7"
    & skf18("8","5","5","1","4","7","1") = "7"
    & skf18("8","5","5","1","4","8","1") = "7"
    & skf18("8","5","5","1","4","9","1") = "8"
    & skf18("8","5","5","1","4","10","1") = "9"
    & skf18("8","5","5","1","5","1","1") = "7"
    & skf18("8","5","5","1","5","2","1") = "7"
    & skf18("8","5","5","1","5","3","1") = "7"
    & skf18("8","5","5","1","5","4","1") = "7"
    & skf18("8","5","5","1","5","5","1") = "7"
    & skf18("8","5","5","1","5","6","1") = "7"
    & skf18("8","5","5","1","5","7","1") = "7"
    & skf18("8","5","5","1","5","8","1") = "7"
    & skf18("8","5","5","1","5","9","1") = "8"
    & skf18("8","5","5","1","5","10","1") = "9"
    & skf18("8","5","5","1","6","1","1") = "7"
    & skf18("8","5","5","1","6","2","1") = "7"
    & skf18("8","5","5","1","6","3","1") = "7"
    & skf18("8","5","5","1","6","4","1") = "7"
    & skf18("8","5","5","1","6","5","1") = "7"
    & skf18("8","5","5","1","6","6","1") = "7"
    & skf18("8","5","5","1","6","7","1") = "7"
    & skf18("8","5","5","1","6","8","1") = "7"
    & skf18("8","5","5","1","6","9","1") = "8"
    & skf18("8","5","5","1","6","10","1") = "9"
    & skf18("8","5","5","1","7","1","1") = "7"
    & skf18("8","5","5","1","7","2","1") = "7"
    & skf18("8","5","5","1","7","3","1") = "7"
    & skf18("8","5","5","1","7","4","1") = "7"
    & skf18("8","5","5","1","7","5","1") = "7"
    & skf18("8","5","5","1","7","6","1") = "7"
    & skf18("8","5","5","1","7","7","1") = "7"
    & skf18("8","5","5","1","7","8","1") = "7"
    & skf18("8","5","5","1","7","9","1") = "8"
    & skf18("8","5","5","1","7","10","1") = "9"
    & skf18("8","5","5","1","8","1","1") = "7"
    & skf18("8","5","5","1","8","2","1") = "7"
    & skf18("8","5","5","1","8","3","1") = "7"
    & skf18("8","5","5","1","8","4","1") = "7"
    & skf18("8","5","5","1","8","5","1") = "7"
    & skf18("8","5","5","1","8","6","1") = "7"
    & skf18("8","5","5","1","8","7","1") = "7"
    & skf18("8","5","5","1","8","8","1") = "7"
    & skf18("8","5","5","1","8","9","1") = "8"
    & skf18("8","5","5","1","8","10","1") = "9"
    & skf18("8","5","5","1","9","1","1") = "8"
    & skf18("8","5","5","1","9","2","1") = "8"
    & skf18("8","5","5","1","9","3","1") = "8"
    & skf18("8","5","5","1","9","4","1") = "8"
    & skf18("8","5","5","1","9","5","1") = "8"
    & skf18("8","5","5","1","9","6","1") = "8"
    & skf18("8","5","5","1","9","7","1") = "8"
    & skf18("8","5","5","1","9","8","1") = "8"
    & skf18("8","5","5","1","9","9","1") = "8"
    & skf18("8","5","5","1","9","10","1") = "9"
    & skf18("8","5","5","1","10","1","1") = "9"
    & skf18("8","5","5","1","10","2","1") = "9"
    & skf18("8","5","5","1","10","3","1") = "9"
    & skf18("8","5","5","1","10","4","1") = "9"
    & skf18("8","5","5","1","10","5","1") = "9"
    & skf18("8","5","5","1","10","6","1") = "9"
    & skf18("8","5","5","1","10","7","1") = "9"
    & skf18("8","5","5","1","10","8","1") = "9"
    & skf18("8","5","5","1","10","9","1") = "9"
    & skf18("8","5","5","1","10","10","1") = "9"
    & skf18("8","5","5","2","1","1","1") = "7"
    & skf18("8","5","5","2","1","2","1") = "7"
    & skf18("8","5","5","2","1","3","1") = "7"
    & skf18("8","5","5","2","1","4","1") = "7"
    & skf18("8","5","5","2","1","5","1") = "7"
    & skf18("8","5","5","2","1","6","1") = "7"
    & skf18("8","5","5","2","1","7","1") = "7"
    & skf18("8","5","5","2","1","8","1") = "7"
    & skf18("8","5","5","2","1","9","1") = "8"
    & skf18("8","5","5","2","1","10","1") = "9"
    & skf18("8","5","5","2","2","1","1") = "7"
    & skf18("8","5","5","2","2","2","1") = "7"
    & skf18("8","5","5","2","2","3","1") = "7"
    & skf18("8","5","5","2","2","4","1") = "7"
    & skf18("8","5","5","2","2","5","1") = "7"
    & skf18("8","5","5","2","2","6","1") = "7"
    & skf18("8","5","5","2","2","7","1") = "7"
    & skf18("8","5","5","2","2","8","1") = "7"
    & skf18("8","5","5","2","2","9","1") = "8"
    & skf18("8","5","5","2","2","10","1") = "9"
    & skf18("8","5","5","2","3","1","1") = "7"
    & skf18("8","5","5","2","3","2","1") = "7"
    & skf18("8","5","5","2","3","3","1") = "7"
    & skf18("8","5","5","2","3","4","1") = "7"
    & skf18("8","5","5","2","3","5","1") = "7"
    & skf18("8","5","5","2","3","6","1") = "7"
    & skf18("8","5","5","2","3","7","1") = "7"
    & skf18("8","5","5","2","3","8","1") = "7"
    & skf18("8","5","5","2","3","9","1") = "8"
    & skf18("8","5","5","2","3","10","1") = "9"
    & skf18("8","5","5","2","4","1","1") = "7"
    & skf18("8","5","5","2","4","2","1") = "7"
    & skf18("8","5","5","2","4","3","1") = "7"
    & skf18("8","5","5","2","4","4","1") = "7"
    & skf18("8","5","5","2","4","5","1") = "7"
    & skf18("8","5","5","2","4","6","1") = "7"
    & skf18("8","5","5","2","4","7","1") = "7"
    & skf18("8","5","5","2","4","8","1") = "7"
    & skf18("8","5","5","2","4","9","1") = "8"
    & skf18("8","5","5","2","4","10","1") = "9"
    & skf18("8","5","5","2","5","1","1") = "7"
    & skf18("8","5","5","2","5","2","1") = "7"
    & skf18("8","5","5","2","5","3","1") = "7"
    & skf18("8","5","5","2","5","4","1") = "7"
    & skf18("8","5","5","2","5","5","1") = "7"
    & skf18("8","5","5","2","5","6","1") = "7"
    & skf18("8","5","5","2","5","7","1") = "7"
    & skf18("8","5","5","2","5","8","1") = "7"
    & skf18("8","5","5","2","5","9","1") = "8"
    & skf18("8","5","5","2","5","10","1") = "9"
    & skf18("8","5","5","2","6","1","1") = "7"
    & skf18("8","5","5","2","6","2","1") = "7"
    & skf18("8","5","5","2","6","3","1") = "7"
    & skf18("8","5","5","2","6","4","1") = "7"
    & skf18("8","5","5","2","6","5","1") = "7"
    & skf18("8","5","5","2","6","6","1") = "7"
    & skf18("8","5","5","2","6","7","1") = "7"
    & skf18("8","5","5","2","6","8","1") = "7"
    & skf18("8","5","5","2","6","9","1") = "8"
    & skf18("8","5","5","2","6","10","1") = "9"
    & skf18("8","5","5","2","7","1","1") = "7"
    & skf18("8","5","5","2","7","2","1") = "7"
    & skf18("8","5","5","2","7","3","1") = "7"
    & skf18("8","5","5","2","7","4","1") = "7"
    & skf18("8","5","5","2","7","5","1") = "7"
    & skf18("8","5","5","2","7","6","1") = "7"
    & skf18("8","5","5","2","7","7","1") = "7"
    & skf18("8","5","5","2","7","8","1") = "7"
    & skf18("8","5","5","2","7","9","1") = "8"
    & skf18("8","5","5","2","7","10","1") = "9"
    & skf18("8","5","5","2","8","1","1") = "7"
    & skf18("8","5","5","2","8","2","1") = "7"
    & skf18("8","5","5","2","8","3","1") = "7"
    & skf18("8","5","5","2","8","4","1") = "7"
    & skf18("8","5","5","2","8","5","1") = "7"
    & skf18("8","5","5","2","8","6","1") = "7"
    & skf18("8","5","5","2","8","7","1") = "7"
    & skf18("8","5","5","2","8","8","1") = "7"
    & skf18("8","5","5","2","8","9","1") = "8"
    & skf18("8","5","5","2","8","10","1") = "9"
    & skf18("8","5","5","2","9","1","1") = "8"
    & skf18("8","5","5","2","9","2","1") = "8"
    & skf18("8","5","5","2","9","3","1") = "8"
    & skf18("8","5","5","2","9","4","1") = "8"
    & skf18("8","5","5","2","9","5","1") = "8"
    & skf18("8","5","5","2","9","6","1") = "8"
    & skf18("8","5","5","2","9","7","1") = "8"
    & skf18("8","5","5","2","9","8","1") = "8"
    & skf18("8","5","5","2","9","9","1") = "8"
    & skf18("8","5","5","2","9","10","1") = "9"
    & skf18("8","5","5","2","10","1","1") = "9"
    & skf18("8","5","5","2","10","2","1") = "9"
    & skf18("8","5","5","2","10","3","1") = "9"
    & skf18("8","5","5","2","10","4","1") = "9"
    & skf18("8","5","5","2","10","5","1") = "9"
    & skf18("8","5","5","2","10","6","1") = "9"
    & skf18("8","5","5","2","10","7","1") = "9"
    & skf18("8","5","5","2","10","8","1") = "9"
    & skf18("8","5","5","2","10","9","1") = "9"
    & skf18("8","5","5","2","10","10","1") = "9"
    & skf18("8","5","5","3","1","1","1") = "7"
    & skf18("8","5","5","3","1","2","1") = "7"
    & skf18("8","5","5","3","1","3","1") = "7"
    & skf18("8","5","5","3","1","4","1") = "7"
    & skf18("8","5","5","3","1","5","1") = "7"
    & skf18("8","5","5","3","1","6","1") = "7"
    & skf18("8","5","5","3","1","7","1") = "7"
    & skf18("8","5","5","3","1","8","1") = "7"
    & skf18("8","5","5","3","1","9","1") = "8"
    & skf18("8","5","5","3","1","10","1") = "9"
    & skf18("8","5","5","3","2","1","1") = "7"
    & skf18("8","5","5","3","2","2","1") = "7"
    & skf18("8","5","5","3","2","3","1") = "7"
    & skf18("8","5","5","3","2","4","1") = "7"
    & skf18("8","5","5","3","2","5","1") = "7"
    & skf18("8","5","5","3","2","6","1") = "7"
    & skf18("8","5","5","3","2","7","1") = "7"
    & skf18("8","5","5","3","2","8","1") = "7"
    & skf18("8","5","5","3","2","9","1") = "8"
    & skf18("8","5","5","3","2","10","1") = "9"
    & skf18("8","5","5","3","3","1","1") = "7"
    & skf18("8","5","5","3","3","2","1") = "7"
    & skf18("8","5","5","3","3","3","1") = "7"
    & skf18("8","5","5","3","3","4","1") = "7"
    & skf18("8","5","5","3","3","5","1") = "7"
    & skf18("8","5","5","3","3","6","1") = "7"
    & skf18("8","5","5","3","3","7","1") = "7"
    & skf18("8","5","5","3","3","8","1") = "7"
    & skf18("8","5","5","3","3","9","1") = "8"
    & skf18("8","5","5","3","3","10","1") = "9"
    & skf18("8","5","5","3","4","1","1") = "7"
    & skf18("8","5","5","3","4","2","1") = "7"
    & skf18("8","5","5","3","4","3","1") = "7"
    & skf18("8","5","5","3","4","4","1") = "7"
    & skf18("8","5","5","3","4","5","1") = "7"
    & skf18("8","5","5","3","4","6","1") = "7"
    & skf18("8","5","5","3","4","7","1") = "7"
    & skf18("8","5","5","3","4","8","1") = "7"
    & skf18("8","5","5","3","4","9","1") = "8"
    & skf18("8","5","5","3","4","10","1") = "9"
    & skf18("8","5","5","3","5","1","1") = "7"
    & skf18("8","5","5","3","5","2","1") = "7"
    & skf18("8","5","5","3","5","3","1") = "7"
    & skf18("8","5","5","3","5","4","1") = "7"
    & skf18("8","5","5","3","5","5","1") = "7"
    & skf18("8","5","5","3","5","6","1") = "7"
    & skf18("8","5","5","3","5","7","1") = "7"
    & skf18("8","5","5","3","5","8","1") = "7"
    & skf18("8","5","5","3","5","9","1") = "8"
    & skf18("8","5","5","3","5","10","1") = "9"
    & skf18("8","5","5","3","6","1","1") = "7"
    & skf18("8","5","5","3","6","2","1") = "7"
    & skf18("8","5","5","3","6","3","1") = "7"
    & skf18("8","5","5","3","6","4","1") = "7"
    & skf18("8","5","5","3","6","5","1") = "7"
    & skf18("8","5","5","3","6","6","1") = "7"
    & skf18("8","5","5","3","6","7","1") = "7"
    & skf18("8","5","5","3","6","8","1") = "7"
    & skf18("8","5","5","3","6","9","1") = "8"
    & skf18("8","5","5","3","6","10","1") = "9"
    & skf18("8","5","5","3","7","1","1") = "7"
    & skf18("8","5","5","3","7","2","1") = "7"
    & skf18("8","5","5","3","7","3","1") = "7"
    & skf18("8","5","5","3","7","4","1") = "7"
    & skf18("8","5","5","3","7","5","1") = "7"
    & skf18("8","5","5","3","7","6","1") = "7"
    & skf18("8","5","5","3","7","7","1") = "7"
    & skf18("8","5","5","3","7","8","1") = "7"
    & skf18("8","5","5","3","7","9","1") = "8"
    & skf18("8","5","5","3","7","10","1") = "9"
    & skf18("8","5","5","3","8","1","1") = "7"
    & skf18("8","5","5","3","8","2","1") = "7"
    & skf18("8","5","5","3","8","3","1") = "7"
    & skf18("8","5","5","3","8","4","1") = "7"
    & skf18("8","5","5","3","8","5","1") = "7"
    & skf18("8","5","5","3","8","6","1") = "7"
    & skf18("8","5","5","3","8","7","1") = "7"
    & skf18("8","5","5","3","8","8","1") = "7"
    & skf18("8","5","5","3","8","9","1") = "8"
    & skf18("8","5","5","3","8","10","1") = "9"
    & skf18("8","5","5","3","9","1","1") = "8"
    & skf18("8","5","5","3","9","2","1") = "8"
    & skf18("8","5","5","3","9","3","1") = "8"
    & skf18("8","5","5","3","9","4","1") = "8"
    & skf18("8","5","5","3","9","5","1") = "8"
    & skf18("8","5","5","3","9","6","1") = "8"
    & skf18("8","5","5","3","9","7","1") = "8"
    & skf18("8","5","5","3","9","8","1") = "8"
    & skf18("8","5","5","3","9","9","1") = "8"
    & skf18("8","5","5","3","9","10","1") = "9"
    & skf18("8","5","5","3","10","1","1") = "9"
    & skf18("8","5","5","3","10","2","1") = "9"
    & skf18("8","5","5","3","10","3","1") = "9"
    & skf18("8","5","5","3","10","4","1") = "9"
    & skf18("8","5","5","3","10","5","1") = "9"
    & skf18("8","5","5","3","10","6","1") = "9"
    & skf18("8","5","5","3","10","7","1") = "9"
    & skf18("8","5","5","3","10","8","1") = "9"
    & skf18("8","5","5","3","10","9","1") = "9"
    & skf18("8","5","5","3","10","10","1") = "9"
    & skf18("8","5","5","4","1","1","1") = "7"
    & skf18("8","5","5","4","1","2","1") = "7"
    & skf18("8","5","5","4","1","3","1") = "7"
    & skf18("8","5","5","4","1","4","1") = "7"
    & skf18("8","5","5","4","1","5","1") = "7"
    & skf18("8","5","5","4","1","6","1") = "7"
    & skf18("8","5","5","4","1","7","1") = "7"
    & skf18("8","5","5","4","1","8","1") = "7"
    & skf18("8","5","5","4","1","9","1") = "8"
    & skf18("8","5","5","4","1","10","1") = "9"
    & skf18("8","5","5","4","2","1","1") = "7"
    & skf18("8","5","5","4","2","2","1") = "7"
    & skf18("8","5","5","4","2","3","1") = "7"
    & skf18("8","5","5","4","2","4","1") = "7"
    & skf18("8","5","5","4","2","5","1") = "7"
    & skf18("8","5","5","4","2","6","1") = "7"
    & skf18("8","5","5","4","2","7","1") = "7"
    & skf18("8","5","5","4","2","8","1") = "7"
    & skf18("8","5","5","4","2","9","1") = "8"
    & skf18("8","5","5","4","2","10","1") = "9"
    & skf18("8","5","5","4","3","1","1") = "7"
    & skf18("8","5","5","4","3","2","1") = "7"
    & skf18("8","5","5","4","3","3","1") = "7"
    & skf18("8","5","5","4","3","4","1") = "7"
    & skf18("8","5","5","4","3","5","1") = "7"
    & skf18("8","5","5","4","3","6","1") = "7"
    & skf18("8","5","5","4","3","7","1") = "7"
    & skf18("8","5","5","4","3","8","1") = "7"
    & skf18("8","5","5","4","3","9","1") = "8"
    & skf18("8","5","5","4","3","10","1") = "9"
    & skf18("8","5","5","4","4","1","1") = "7"
    & skf18("8","5","5","4","4","2","1") = "7"
    & skf18("8","5","5","4","4","3","1") = "7"
    & skf18("8","5","5","4","4","4","1") = "7"
    & skf18("8","5","5","4","4","5","1") = "7"
    & skf18("8","5","5","4","4","6","1") = "7"
    & skf18("8","5","5","4","4","7","1") = "7"
    & skf18("8","5","5","4","4","8","1") = "7"
    & skf18("8","5","5","4","4","9","1") = "8"
    & skf18("8","5","5","4","4","10","1") = "9"
    & skf18("8","5","5","4","5","1","1") = "7"
    & skf18("8","5","5","4","5","2","1") = "7"
    & skf18("8","5","5","4","5","3","1") = "7"
    & skf18("8","5","5","4","5","4","1") = "7"
    & skf18("8","5","5","4","5","5","1") = "7"
    & skf18("8","5","5","4","5","6","1") = "7"
    & skf18("8","5","5","4","5","7","1") = "7"
    & skf18("8","5","5","4","5","8","1") = "7"
    & skf18("8","5","5","4","5","9","1") = "8"
    & skf18("8","5","5","4","5","10","1") = "9"
    & skf18("8","5","5","4","6","1","1") = "7"
    & skf18("8","5","5","4","6","2","1") = "7"
    & skf18("8","5","5","4","6","3","1") = "7"
    & skf18("8","5","5","4","6","4","1") = "7"
    & skf18("8","5","5","4","6","5","1") = "7"
    & skf18("8","5","5","4","6","6","1") = "7"
    & skf18("8","5","5","4","6","7","1") = "7"
    & skf18("8","5","5","4","6","8","1") = "7"
    & skf18("8","5","5","4","6","9","1") = "8"
    & skf18("8","5","5","4","6","10","1") = "9"
    & skf18("8","5","5","4","7","1","1") = "7"
    & skf18("8","5","5","4","7","2","1") = "7"
    & skf18("8","5","5","4","7","3","1") = "7"
    & skf18("8","5","5","4","7","4","1") = "7"
    & skf18("8","5","5","4","7","5","1") = "7"
    & skf18("8","5","5","4","7","6","1") = "7"
    & skf18("8","5","5","4","7","7","1") = "7"
    & skf18("8","5","5","4","7","8","1") = "7"
    & skf18("8","5","5","4","7","9","1") = "8"
    & skf18("8","5","5","4","7","10","1") = "9"
    & skf18("8","5","5","4","8","1","1") = "7"
    & skf18("8","5","5","4","8","2","1") = "7"
    & skf18("8","5","5","4","8","3","1") = "7"
    & skf18("8","5","5","4","8","4","1") = "7"
    & skf18("8","5","5","4","8","5","1") = "7"
    & skf18("8","5","5","4","8","6","1") = "7"
    & skf18("8","5","5","4","8","7","1") = "7"
    & skf18("8","5","5","4","8","8","1") = "7"
    & skf18("8","5","5","4","8","9","1") = "8"
    & skf18("8","5","5","4","8","10","1") = "9"
    & skf18("8","5","5","4","9","1","1") = "8"
    & skf18("8","5","5","4","9","2","1") = "8"
    & skf18("8","5","5","4","9","3","1") = "8"
    & skf18("8","5","5","4","9","4","1") = "8"
    & skf18("8","5","5","4","9","5","1") = "8"
    & skf18("8","5","5","4","9","6","1") = "8"
    & skf18("8","5","5","4","9","7","1") = "8"
    & skf18("8","5","5","4","9","8","1") = "8"
    & skf18("8","5","5","4","9","9","1") = "8"
    & skf18("8","5","5","4","9","10","1") = "9"
    & skf18("8","5","5","4","10","1","1") = "9"
    & skf18("8","5","5","4","10","2","1") = "9"
    & skf18("8","5","5","4","10","3","1") = "9"
    & skf18("8","5","5","4","10","4","1") = "9"
    & skf18("8","5","5","4","10","5","1") = "9"
    & skf18("8","5","5","4","10","6","1") = "9"
    & skf18("8","5","5","4","10","7","1") = "9"
    & skf18("8","5","5","4","10","8","1") = "9"
    & skf18("8","5","5","4","10","9","1") = "9"
    & skf18("8","5","5","4","10","10","1") = "9"
    & skf18("8","5","5","5","1","1","1") = "7"
    & skf18("8","5","5","5","1","2","1") = "7"
    & skf18("8","5","5","5","1","3","1") = "7"
    & skf18("8","5","5","5","1","4","1") = "7"
    & skf18("8","5","5","5","1","5","1") = "7"
    & skf18("8","5","5","5","1","6","1") = "7"
    & skf18("8","5","5","5","1","7","1") = "7"
    & skf18("8","5","5","5","1","8","1") = "7"
    & skf18("8","5","5","5","1","9","1") = "8"
    & skf18("8","5","5","5","1","10","1") = "9"
    & skf18("8","5","5","5","2","1","1") = "7"
    & skf18("8","5","5","5","2","2","1") = "7"
    & skf18("8","5","5","5","2","3","1") = "7"
    & skf18("8","5","5","5","2","4","1") = "7"
    & skf18("8","5","5","5","2","5","1") = "7"
    & skf18("8","5","5","5","2","6","1") = "7"
    & skf18("8","5","5","5","2","7","1") = "7"
    & skf18("8","5","5","5","2","8","1") = "7"
    & skf18("8","5","5","5","2","9","1") = "8"
    & skf18("8","5","5","5","2","10","1") = "9"
    & skf18("8","5","5","5","3","1","1") = "7"
    & skf18("8","5","5","5","3","2","1") = "7"
    & skf18("8","5","5","5","3","3","1") = "7"
    & skf18("8","5","5","5","3","4","1") = "7"
    & skf18("8","5","5","5","3","5","1") = "7"
    & skf18("8","5","5","5","3","6","1") = "7"
    & skf18("8","5","5","5","3","7","1") = "7"
    & skf18("8","5","5","5","3","8","1") = "7"
    & skf18("8","5","5","5","3","9","1") = "8"
    & skf18("8","5","5","5","3","10","1") = "9"
    & skf18("8","5","5","5","4","1","1") = "7"
    & skf18("8","5","5","5","4","2","1") = "7"
    & skf18("8","5","5","5","4","3","1") = "7"
    & skf18("8","5","5","5","4","4","1") = "7"
    & skf18("8","5","5","5","4","5","1") = "7"
    & skf18("8","5","5","5","4","6","1") = "7"
    & skf18("8","5","5","5","4","7","1") = "7"
    & skf18("8","5","5","5","4","8","1") = "7"
    & skf18("8","5","5","5","4","9","1") = "8"
    & skf18("8","5","5","5","4","10","1") = "9"
    & skf18("8","5","5","5","5","1","1") = "7"
    & skf18("8","5","5","5","5","2","1") = "7"
    & skf18("8","5","5","5","5","3","1") = "7"
    & skf18("8","5","5","5","5","4","1") = "7"
    & skf18("8","5","5","5","5","5","1") = "7"
    & skf18("8","5","5","5","5","6","1") = "7"
    & skf18("8","5","5","5","5","7","1") = "7"
    & skf18("8","5","5","5","5","8","1") = "7"
    & skf18("8","5","5","5","5","9","1") = "8"
    & skf18("8","5","5","5","5","10","1") = "9"
    & skf18("8","5","5","5","6","1","1") = "7"
    & skf18("8","5","5","5","6","2","1") = "7"
    & skf18("8","5","5","5","6","3","1") = "7"
    & skf18("8","5","5","5","6","4","1") = "7"
    & skf18("8","5","5","5","6","5","1") = "7"
    & skf18("8","5","5","5","6","6","1") = "7"
    & skf18("8","5","5","5","6","7","1") = "7"
    & skf18("8","5","5","5","6","8","1") = "7"
    & skf18("8","5","5","5","6","9","1") = "8"
    & skf18("8","5","5","5","6","10","1") = "9"
    & skf18("8","5","5","5","7","1","1") = "7"
    & skf18("8","5","5","5","7","2","1") = "7"
    & skf18("8","5","5","5","7","3","1") = "7"
    & skf18("8","5","5","5","7","4","1") = "7"
    & skf18("8","5","5","5","7","5","1") = "7"
    & skf18("8","5","5","5","7","6","1") = "7"
    & skf18("8","5","5","5","7","7","1") = "7"
    & skf18("8","5","5","5","7","8","1") = "7"
    & skf18("8","5","5","5","7","9","1") = "8"
    & skf18("8","5","5","5","7","10","1") = "9"
    & skf18("8","5","5","5","8","1","1") = "7"
    & skf18("8","5","5","5","8","2","1") = "7"
    & skf18("8","5","5","5","8","3","1") = "7"
    & skf18("8","5","5","5","8","4","1") = "7"
    & skf18("8","5","5","5","8","5","1") = "7"
    & skf18("8","5","5","5","8","6","1") = "7"
    & skf18("8","5","5","5","8","7","1") = "7"
    & skf18("8","5","5","5","8","8","1") = "7"
    & skf18("8","5","5","5","8","9","1") = "8"
    & skf18("8","5","5","5","8","10","1") = "9"
    & skf18("8","5","5","5","9","1","1") = "8"
    & skf18("8","5","5","5","9","2","1") = "8"
    & skf18("8","5","5","5","9","3","1") = "8"
    & skf18("8","5","5","5","9","4","1") = "8"
    & skf18("8","5","5","5","9","5","1") = "8"
    & skf18("8","5","5","5","9","6","1") = "8"
    & skf18("8","5","5","5","9","7","1") = "8"
    & skf18("8","5","5","5","9","8","1") = "8"
    & skf18("8","5","5","5","9","9","1") = "8"
    & skf18("8","5","5","5","9","10","1") = "9"
    & skf18("8","5","5","5","10","1","1") = "9"
    & skf18("8","5","5","5","10","2","1") = "9"
    & skf18("8","5","5","5","10","3","1") = "9"
    & skf18("8","5","5","5","10","4","1") = "9"
    & skf18("8","5","5","5","10","5","1") = "9"
    & skf18("8","5","5","5","10","6","1") = "9"
    & skf18("8","5","5","5","10","7","1") = "9"
    & skf18("8","5","5","5","10","8","1") = "9"
    & skf18("8","5","5","5","10","9","1") = "9"
    & skf18("8","5","5","5","10","10","1") = "9"
    & skf18("8","5","5","6","1","1","1") = "7"
    & skf18("8","5","5","6","1","2","1") = "7"
    & skf18("8","5","5","6","1","3","1") = "7"
    & skf18("8","5","5","6","1","4","1") = "7"
    & skf18("8","5","5","6","1","5","1") = "7"
    & skf18("8","5","5","6","1","6","1") = "7"
    & skf18("8","5","5","6","1","7","1") = "7"
    & skf18("8","5","5","6","1","8","1") = "7"
    & skf18("8","5","5","6","1","9","1") = "8"
    & skf18("8","5","5","6","1","10","1") = "9"
    & skf18("8","5","5","6","2","1","1") = "7"
    & skf18("8","5","5","6","2","2","1") = "7"
    & skf18("8","5","5","6","2","3","1") = "7"
    & skf18("8","5","5","6","2","4","1") = "7"
    & skf18("8","5","5","6","2","5","1") = "7"
    & skf18("8","5","5","6","2","6","1") = "7"
    & skf18("8","5","5","6","2","7","1") = "7"
    & skf18("8","5","5","6","2","8","1") = "7"
    & skf18("8","5","5","6","2","9","1") = "8"
    & skf18("8","5","5","6","2","10","1") = "9"
    & skf18("8","5","5","6","3","1","1") = "7"
    & skf18("8","5","5","6","3","2","1") = "7"
    & skf18("8","5","5","6","3","3","1") = "7"
    & skf18("8","5","5","6","3","4","1") = "7"
    & skf18("8","5","5","6","3","5","1") = "7"
    & skf18("8","5","5","6","3","6","1") = "7"
    & skf18("8","5","5","6","3","7","1") = "7"
    & skf18("8","5","5","6","3","8","1") = "7"
    & skf18("8","5","5","6","3","9","1") = "8"
    & skf18("8","5","5","6","3","10","1") = "9"
    & skf18("8","5","5","6","4","1","1") = "7"
    & skf18("8","5","5","6","4","2","1") = "7"
    & skf18("8","5","5","6","4","3","1") = "7"
    & skf18("8","5","5","6","4","4","1") = "7"
    & skf18("8","5","5","6","4","5","1") = "7"
    & skf18("8","5","5","6","4","6","1") = "7"
    & skf18("8","5","5","6","4","7","1") = "7"
    & skf18("8","5","5","6","4","8","1") = "7"
    & skf18("8","5","5","6","4","9","1") = "8"
    & skf18("8","5","5","6","4","10","1") = "9"
    & skf18("8","5","5","6","5","1","1") = "7"
    & skf18("8","5","5","6","5","2","1") = "7"
    & skf18("8","5","5","6","5","3","1") = "7"
    & skf18("8","5","5","6","5","4","1") = "7"
    & skf18("8","5","5","6","5","5","1") = "7"
    & skf18("8","5","5","6","5","6","1") = "7"
    & skf18("8","5","5","6","5","7","1") = "7"
    & skf18("8","5","5","6","5","8","1") = "7"
    & skf18("8","5","5","6","5","9","1") = "8"
    & skf18("8","5","5","6","5","10","1") = "9"
    & skf18("8","5","5","6","6","1","1") = "7"
    & skf18("8","5","5","6","6","2","1") = "7"
    & skf18("8","5","5","6","6","3","1") = "7"
    & skf18("8","5","5","6","6","4","1") = "7"
    & skf18("8","5","5","6","6","5","1") = "7"
    & skf18("8","5","5","6","6","6","1") = "7"
    & skf18("8","5","5","6","6","7","1") = "7"
    & skf18("8","5","5","6","6","8","1") = "7"
    & skf18("8","5","5","6","6","9","1") = "8"
    & skf18("8","5","5","6","6","10","1") = "9"
    & skf18("8","5","5","6","7","1","1") = "7"
    & skf18("8","5","5","6","7","2","1") = "7"
    & skf18("8","5","5","6","7","3","1") = "7"
    & skf18("8","5","5","6","7","4","1") = "7"
    & skf18("8","5","5","6","7","5","1") = "7"
    & skf18("8","5","5","6","7","6","1") = "7"
    & skf18("8","5","5","6","7","7","1") = "7"
    & skf18("8","5","5","6","7","8","1") = "7"
    & skf18("8","5","5","6","7","9","1") = "8"
    & skf18("8","5","5","6","7","10","1") = "9"
    & skf18("8","5","5","6","8","1","1") = "7"
    & skf18("8","5","5","6","8","2","1") = "7"
    & skf18("8","5","5","6","8","3","1") = "7"
    & skf18("8","5","5","6","8","4","1") = "7"
    & skf18("8","5","5","6","8","5","1") = "7"
    & skf18("8","5","5","6","8","6","1") = "7"
    & skf18("8","5","5","6","8","7","1") = "7"
    & skf18("8","5","5","6","8","8","1") = "7"
    & skf18("8","5","5","6","8","9","1") = "8"
    & skf18("8","5","5","6","8","10","1") = "9"
    & skf18("8","5","5","6","9","1","1") = "8"
    & skf18("8","5","5","6","9","2","1") = "8"
    & skf18("8","5","5","6","9","3","1") = "8"
    & skf18("8","5","5","6","9","4","1") = "8"
    & skf18("8","5","5","6","9","5","1") = "8"
    & skf18("8","5","5","6","9","6","1") = "8"
    & skf18("8","5","5","6","9","7","1") = "8"
    & skf18("8","5","5","6","9","8","1") = "8"
    & skf18("8","5","5","6","9","9","1") = "8"
    & skf18("8","5","5","6","9","10","1") = "9"
    & skf18("8","5","5","6","10","1","1") = "9"
    & skf18("8","5","5","6","10","2","1") = "9"
    & skf18("8","5","5","6","10","3","1") = "9"
    & skf18("8","5","5","6","10","4","1") = "9"
    & skf18("8","5","5","6","10","5","1") = "9"
    & skf18("8","5","5","6","10","6","1") = "9"
    & skf18("8","5","5","6","10","7","1") = "9"
    & skf18("8","5","5","6","10","8","1") = "9"
    & skf18("8","5","5","6","10","9","1") = "9"
    & skf18("8","5","5","6","10","10","1") = "9"
    & skf18("8","5","5","7","1","1","1") = "7"
    & skf18("8","5","5","7","1","2","1") = "7"
    & skf18("8","5","5","7","1","3","1") = "7"
    & skf18("8","5","5","7","1","4","1") = "7"
    & skf18("8","5","5","7","1","5","1") = "7"
    & skf18("8","5","5","7","1","6","1") = "7"
    & skf18("8","5","5","7","1","7","1") = "7"
    & skf18("8","5","5","7","1","8","1") = "7"
    & skf18("8","5","5","7","1","9","1") = "8"
    & skf18("8","5","5","7","1","10","1") = "9"
    & skf18("8","5","5","7","2","1","1") = "7"
    & skf18("8","5","5","7","2","2","1") = "7"
    & skf18("8","5","5","7","2","3","1") = "7"
    & skf18("8","5","5","7","2","4","1") = "7"
    & skf18("8","5","5","7","2","5","1") = "7"
    & skf18("8","5","5","7","2","6","1") = "7"
    & skf18("8","5","5","7","2","7","1") = "7"
    & skf18("8","5","5","7","2","8","1") = "7"
    & skf18("8","5","5","7","2","9","1") = "8"
    & skf18("8","5","5","7","2","10","1") = "9"
    & skf18("8","5","5","7","3","1","1") = "7"
    & skf18("8","5","5","7","3","2","1") = "7"
    & skf18("8","5","5","7","3","3","1") = "7"
    & skf18("8","5","5","7","3","4","1") = "7"
    & skf18("8","5","5","7","3","5","1") = "7"
    & skf18("8","5","5","7","3","6","1") = "7"
    & skf18("8","5","5","7","3","7","1") = "7"
    & skf18("8","5","5","7","3","8","1") = "7"
    & skf18("8","5","5","7","3","9","1") = "8"
    & skf18("8","5","5","7","3","10","1") = "9"
    & skf18("8","5","5","7","4","1","1") = "7"
    & skf18("8","5","5","7","4","2","1") = "7"
    & skf18("8","5","5","7","4","3","1") = "7"
    & skf18("8","5","5","7","4","4","1") = "7"
    & skf18("8","5","5","7","4","5","1") = "7"
    & skf18("8","5","5","7","4","6","1") = "7"
    & skf18("8","5","5","7","4","7","1") = "7"
    & skf18("8","5","5","7","4","8","1") = "7"
    & skf18("8","5","5","7","4","9","1") = "8"
    & skf18("8","5","5","7","4","10","1") = "9"
    & skf18("8","5","5","7","5","1","1") = "7"
    & skf18("8","5","5","7","5","2","1") = "7"
    & skf18("8","5","5","7","5","3","1") = "7"
    & skf18("8","5","5","7","5","4","1") = "7"
    & skf18("8","5","5","7","5","5","1") = "7"
    & skf18("8","5","5","7","5","6","1") = "7"
    & skf18("8","5","5","7","5","7","1") = "7"
    & skf18("8","5","5","7","5","8","1") = "7"
    & skf18("8","5","5","7","5","9","1") = "8"
    & skf18("8","5","5","7","5","10","1") = "9"
    & skf18("8","5","5","7","6","1","1") = "7"
    & skf18("8","5","5","7","6","2","1") = "7"
    & skf18("8","5","5","7","6","3","1") = "7"
    & skf18("8","5","5","7","6","4","1") = "7"
    & skf18("8","5","5","7","6","5","1") = "7"
    & skf18("8","5","5","7","6","6","1") = "7"
    & skf18("8","5","5","7","6","7","1") = "7"
    & skf18("8","5","5","7","6","8","1") = "7"
    & skf18("8","5","5","7","6","9","1") = "8"
    & skf18("8","5","5","7","6","10","1") = "9"
    & skf18("8","5","5","7","7","1","1") = "7"
    & skf18("8","5","5","7","7","2","1") = "7"
    & skf18("8","5","5","7","7","3","1") = "7"
    & skf18("8","5","5","7","7","4","1") = "7"
    & skf18("8","5","5","7","7","5","1") = "7"
    & skf18("8","5","5","7","7","6","1") = "7"
    & skf18("8","5","5","7","7","7","1") = "7"
    & skf18("8","5","5","7","7","8","1") = "7"
    & skf18("8","5","5","7","7","9","1") = "8"
    & skf18("8","5","5","7","7","10","1") = "9"
    & skf18("8","5","5","7","8","1","1") = "7"
    & skf18("8","5","5","7","8","2","1") = "7"
    & skf18("8","5","5","7","8","3","1") = "7"
    & skf18("8","5","5","7","8","4","1") = "7"
    & skf18("8","5","5","7","8","5","1") = "7"
    & skf18("8","5","5","7","8","6","1") = "7"
    & skf18("8","5","5","7","8","7","1") = "7"
    & skf18("8","5","5","7","8","8","1") = "7"
    & skf18("8","5","5","7","8","9","1") = "8"
    & skf18("8","5","5","7","8","10","1") = "9"
    & skf18("8","5","5","7","9","1","1") = "8"
    & skf18("8","5","5","7","9","2","1") = "8"
    & skf18("8","5","5","7","9","3","1") = "8"
    & skf18("8","5","5","7","9","4","1") = "8"
    & skf18("8","5","5","7","9","5","1") = "8"
    & skf18("8","5","5","7","9","6","1") = "8"
    & skf18("8","5","5","7","9","7","1") = "8"
    & skf18("8","5","5","7","9","8","1") = "8"
    & skf18("8","5","5","7","9","9","1") = "8"
    & skf18("8","5","5","7","9","10","1") = "9"
    & skf18("8","5","5","7","10","1","1") = "9"
    & skf18("8","5","5","7","10","2","1") = "9"
    & skf18("8","5","5","7","10","3","1") = "9"
    & skf18("8","5","5","7","10","4","1") = "9"
    & skf18("8","5","5","7","10","5","1") = "9"
    & skf18("8","5","5","7","10","6","1") = "9"
    & skf18("8","5","5","7","10","7","1") = "9"
    & skf18("8","5","5","7","10","8","1") = "9"
    & skf18("8","5","5","7","10","9","1") = "9"
    & skf18("8","5","5","7","10","10","1") = "9"
    & skf18("8","5","5","8","1","1","1") = "7"
    & skf18("8","5","5","8","1","2","1") = "7"
    & skf18("8","5","5","8","1","3","1") = "7"
    & skf18("8","5","5","8","1","4","1") = "7"
    & skf18("8","5","5","8","1","5","1") = "7"
    & skf18("8","5","5","8","1","6","1") = "7"
    & skf18("8","5","5","8","1","7","1") = "7"
    & skf18("8","5","5","8","1","8","1") = "7"
    & skf18("8","5","5","8","1","9","1") = "8"
    & skf18("8","5","5","8","1","10","1") = "9"
    & skf18("8","5","5","8","2","1","1") = "7"
    & skf18("8","5","5","8","2","2","1") = "7"
    & skf18("8","5","5","8","2","3","1") = "7"
    & skf18("8","5","5","8","2","4","1") = "7"
    & skf18("8","5","5","8","2","5","1") = "7"
    & skf18("8","5","5","8","2","6","1") = "7"
    & skf18("8","5","5","8","2","7","1") = "7"
    & skf18("8","5","5","8","2","8","1") = "7"
    & skf18("8","5","5","8","2","9","1") = "8"
    & skf18("8","5","5","8","2","10","1") = "9"
    & skf18("8","5","5","8","3","1","1") = "7"
    & skf18("8","5","5","8","3","2","1") = "7"
    & skf18("8","5","5","8","3","3","1") = "7"
    & skf18("8","5","5","8","3","4","1") = "7"
    & skf18("8","5","5","8","3","5","1") = "7"
    & skf18("8","5","5","8","3","6","1") = "7"
    & skf18("8","5","5","8","3","7","1") = "7"
    & skf18("8","5","5","8","3","8","1") = "7"
    & skf18("8","5","5","8","3","9","1") = "8"
    & skf18("8","5","5","8","3","10","1") = "9"
    & skf18("8","5","5","8","4","1","1") = "7"
    & skf18("8","5","5","8","4","2","1") = "7"
    & skf18("8","5","5","8","4","3","1") = "7"
    & skf18("8","5","5","8","4","4","1") = "7"
    & skf18("8","5","5","8","4","5","1") = "7"
    & skf18("8","5","5","8","4","6","1") = "7"
    & skf18("8","5","5","8","4","7","1") = "7"
    & skf18("8","5","5","8","4","8","1") = "7"
    & skf18("8","5","5","8","4","9","1") = "8"
    & skf18("8","5","5","8","4","10","1") = "9"
    & skf18("8","5","5","8","5","1","1") = "7"
    & skf18("8","5","5","8","5","2","1") = "7"
    & skf18("8","5","5","8","5","3","1") = "7"
    & skf18("8","5","5","8","5","4","1") = "7"
    & skf18("8","5","5","8","5","5","1") = "7"
    & skf18("8","5","5","8","5","6","1") = "7"
    & skf18("8","5","5","8","5","7","1") = "7"
    & skf18("8","5","5","8","5","8","1") = "7"
    & skf18("8","5","5","8","5","9","1") = "8"
    & skf18("8","5","5","8","5","10","1") = "9"
    & skf18("8","5","5","8","6","1","1") = "7"
    & skf18("8","5","5","8","6","2","1") = "7"
    & skf18("8","5","5","8","6","3","1") = "7"
    & skf18("8","5","5","8","6","4","1") = "7"
    & skf18("8","5","5","8","6","5","1") = "7"
    & skf18("8","5","5","8","6","6","1") = "7"
    & skf18("8","5","5","8","6","7","1") = "7"
    & skf18("8","5","5","8","6","8","1") = "7"
    & skf18("8","5","5","8","6","9","1") = "8"
    & skf18("8","5","5","8","6","10","1") = "9"
    & skf18("8","5","5","8","7","1","1") = "7"
    & skf18("8","5","5","8","7","2","1") = "7"
    & skf18("8","5","5","8","7","3","1") = "7"
    & skf18("8","5","5","8","7","4","1") = "7"
    & skf18("8","5","5","8","7","5","1") = "7"
    & skf18("8","5","5","8","7","6","1") = "7"
    & skf18("8","5","5","8","7","7","1") = "7"
    & skf18("8","5","5","8","7","8","1") = "7"
    & skf18("8","5","5","8","7","9","1") = "8"
    & skf18("8","5","5","8","7","10","1") = "9"
    & skf18("8","5","5","8","8","1","1") = "7"
    & skf18("8","5","5","8","8","2","1") = "7"
    & skf18("8","5","5","8","8","3","1") = "7"
    & skf18("8","5","5","8","8","4","1") = "7"
    & skf18("8","5","5","8","8","5","1") = "7"
    & skf18("8","5","5","8","8","6","1") = "7"
    & skf18("8","5","5","8","8","7","1") = "7"
    & skf18("8","5","5","8","8","8","1") = "7"
    & skf18("8","5","5","8","8","9","1") = "8"
    & skf18("8","5","5","8","8","10","1") = "9"
    & skf18("8","5","5","8","9","1","1") = "8"
    & skf18("8","5","5","8","9","2","1") = "8"
    & skf18("8","5","5","8","9","3","1") = "8"
    & skf18("8","5","5","8","9","4","1") = "8"
    & skf18("8","5","5","8","9","5","1") = "8"
    & skf18("8","5","5","8","9","6","1") = "8"
    & skf18("8","5","5","8","9","7","1") = "8"
    & skf18("8","5","5","8","9","8","1") = "8"
    & skf18("8","5","5","8","9","9","1") = "8"
    & skf18("8","5","5","8","9","10","1") = "9"
    & skf18("8","5","5","8","10","1","1") = "9"
    & skf18("8","5","5","8","10","2","1") = "9"
    & skf18("8","5","5","8","10","3","1") = "9"
    & skf18("8","5","5","8","10","4","1") = "9"
    & skf18("8","5","5","8","10","5","1") = "9"
    & skf18("8","5","5","8","10","6","1") = "9"
    & skf18("8","5","5","8","10","7","1") = "9"
    & skf18("8","5","5","8","10","8","1") = "9"
    & skf18("8","5","5","8","10","9","1") = "9"
    & skf18("8","5","5","8","10","10","1") = "9"
    & skf18("8","5","5","9","1","1","1") = "8"
    & skf18("8","5","5","9","1","2","1") = "8"
    & skf18("8","5","5","9","1","3","1") = "8"
    & skf18("8","5","5","9","1","4","1") = "8"
    & skf18("8","5","5","9","1","5","1") = "8"
    & skf18("8","5","5","9","1","6","1") = "8"
    & skf18("8","5","5","9","1","7","1") = "8"
    & skf18("8","5","5","9","1","8","1") = "8"
    & skf18("8","5","5","9","1","9","1") = "8"
    & skf18("8","5","5","9","1","10","1") = "9"
    & skf18("8","5","5","9","2","1","1") = "8"
    & skf18("8","5","5","9","2","2","1") = "8"
    & skf18("8","5","5","9","2","3","1") = "8"
    & skf18("8","5","5","9","2","4","1") = "8"
    & skf18("8","5","5","9","2","5","1") = "8"
    & skf18("8","5","5","9","2","6","1") = "8"
    & skf18("8","5","5","9","2","7","1") = "8"
    & skf18("8","5","5","9","2","8","1") = "8"
    & skf18("8","5","5","9","2","9","1") = "8"
    & skf18("8","5","5","9","2","10","1") = "9"
    & skf18("8","5","5","9","3","1","1") = "8"
    & skf18("8","5","5","9","3","2","1") = "8"
    & skf18("8","5","5","9","3","3","1") = "8"
    & skf18("8","5","5","9","3","4","1") = "8"
    & skf18("8","5","5","9","3","5","1") = "8"
    & skf18("8","5","5","9","3","6","1") = "8"
    & skf18("8","5","5","9","3","7","1") = "8"
    & skf18("8","5","5","9","3","8","1") = "8"
    & skf18("8","5","5","9","3","9","1") = "8"
    & skf18("8","5","5","9","3","10","1") = "9"
    & skf18("8","5","5","9","4","1","1") = "8"
    & skf18("8","5","5","9","4","2","1") = "8"
    & skf18("8","5","5","9","4","3","1") = "8"
    & skf18("8","5","5","9","4","4","1") = "8"
    & skf18("8","5","5","9","4","5","1") = "8"
    & skf18("8","5","5","9","4","6","1") = "8"
    & skf18("8","5","5","9","4","7","1") = "8"
    & skf18("8","5","5","9","4","8","1") = "8"
    & skf18("8","5","5","9","4","9","1") = "8"
    & skf18("8","5","5","9","4","10","1") = "9"
    & skf18("8","5","5","9","5","1","1") = "8"
    & skf18("8","5","5","9","5","2","1") = "8"
    & skf18("8","5","5","9","5","3","1") = "8"
    & skf18("8","5","5","9","5","4","1") = "8"
    & skf18("8","5","5","9","5","5","1") = "8"
    & skf18("8","5","5","9","5","6","1") = "8"
    & skf18("8","5","5","9","5","7","1") = "8"
    & skf18("8","5","5","9","5","8","1") = "8"
    & skf18("8","5","5","9","5","9","1") = "8"
    & skf18("8","5","5","9","5","10","1") = "9"
    & skf18("8","5","5","9","6","1","1") = "8"
    & skf18("8","5","5","9","6","2","1") = "8"
    & skf18("8","5","5","9","6","3","1") = "8"
    & skf18("8","5","5","9","6","4","1") = "8"
    & skf18("8","5","5","9","6","5","1") = "8"
    & skf18("8","5","5","9","6","6","1") = "8"
    & skf18("8","5","5","9","6","7","1") = "8"
    & skf18("8","5","5","9","6","8","1") = "8"
    & skf18("8","5","5","9","6","9","1") = "8"
    & skf18("8","5","5","9","6","10","1") = "9"
    & skf18("8","5","5","9","7","1","1") = "8"
    & skf18("8","5","5","9","7","2","1") = "8"
    & skf18("8","5","5","9","7","3","1") = "8"
    & skf18("8","5","5","9","7","4","1") = "8"
    & skf18("8","5","5","9","7","5","1") = "8"
    & skf18("8","5","5","9","7","6","1") = "8"
    & skf18("8","5","5","9","7","7","1") = "8"
    & skf18("8","5","5","9","7","8","1") = "8"
    & skf18("8","5","5","9","7","9","1") = "8"
    & skf18("8","5","5","9","7","10","1") = "9"
    & skf18("8","5","5","9","8","1","1") = "8"
    & skf18("8","5","5","9","8","2","1") = "8"
    & skf18("8","5","5","9","8","3","1") = "8"
    & skf18("8","5","5","9","8","4","1") = "8"
    & skf18("8","5","5","9","8","5","1") = "8"
    & skf18("8","5","5","9","8","6","1") = "8"
    & skf18("8","5","5","9","8","7","1") = "8"
    & skf18("8","5","5","9","8","8","1") = "8"
    & skf18("8","5","5","9","8","9","1") = "8"
    & skf18("8","5","5","9","8","10","1") = "9"
    & skf18("8","5","5","9","9","1","1") = "8"
    & skf18("8","5","5","9","9","2","1") = "8"
    & skf18("8","5","5","9","9","3","1") = "8"
    & skf18("8","5","5","9","9","4","1") = "8"
    & skf18("8","5","5","9","9","5","1") = "8"
    & skf18("8","5","5","9","9","6","1") = "8"
    & skf18("8","5","5","9","9","7","1") = "8"
    & skf18("8","5","5","9","9","8","1") = "8"
    & skf18("8","5","5","9","9","9","1") = "8"
    & skf18("8","5","5","9","9","10","1") = "9"
    & skf18("8","5","5","9","10","1","1") = "9"
    & skf18("8","5","5","9","10","2","1") = "9"
    & skf18("8","5","5","9","10","3","1") = "9"
    & skf18("8","5","5","9","10","4","1") = "9"
    & skf18("8","5","5","9","10","5","1") = "9"
    & skf18("8","5","5","9","10","6","1") = "9"
    & skf18("8","5","5","9","10","7","1") = "9"
    & skf18("8","5","5","9","10","8","1") = "9"
    & skf18("8","5","5","9","10","9","1") = "9"
    & skf18("8","5","5","9","10","10","1") = "9"
    & skf18("8","5","5","10","1","1","1") = "9"
    & skf18("8","5","5","10","1","2","1") = "9"
    & skf18("8","5","5","10","1","3","1") = "9"
    & skf18("8","5","5","10","1","4","1") = "9"
    & skf18("8","5","5","10","1","5","1") = "9"
    & skf18("8","5","5","10","1","6","1") = "9"
    & skf18("8","5","5","10","1","7","1") = "9"
    & skf18("8","5","5","10","1","8","1") = "9"
    & skf18("8","5","5","10","1","9","1") = "9"
    & skf18("8","5","5","10","1","10","1") = "9"
    & skf18("8","5","5","10","2","1","1") = "9"
    & skf18("8","5","5","10","2","2","1") = "9"
    & skf18("8","5","5","10","2","3","1") = "9"
    & skf18("8","5","5","10","2","4","1") = "9"
    & skf18("8","5","5","10","2","5","1") = "9"
    & skf18("8","5","5","10","2","6","1") = "9"
    & skf18("8","5","5","10","2","7","1") = "9"
    & skf18("8","5","5","10","2","8","1") = "9"
    & skf18("8","5","5","10","2","9","1") = "9"
    & skf18("8","5","5","10","2","10","1") = "9"
    & skf18("8","5","5","10","3","1","1") = "9"
    & skf18("8","5","5","10","3","2","1") = "9"
    & skf18("8","5","5","10","3","3","1") = "9"
    & skf18("8","5","5","10","3","4","1") = "9"
    & skf18("8","5","5","10","3","5","1") = "9"
    & skf18("8","5","5","10","3","6","1") = "9"
    & skf18("8","5","5","10","3","7","1") = "9"
    & skf18("8","5","5","10","3","8","1") = "9"
    & skf18("8","5","5","10","3","9","1") = "9"
    & skf18("8","5","5","10","3","10","1") = "9"
    & skf18("8","5","5","10","4","1","1") = "9"
    & skf18("8","5","5","10","4","2","1") = "9"
    & skf18("8","5","5","10","4","3","1") = "9"
    & skf18("8","5","5","10","4","4","1") = "9"
    & skf18("8","5","5","10","4","5","1") = "9"
    & skf18("8","5","5","10","4","6","1") = "9"
    & skf18("8","5","5","10","4","7","1") = "9"
    & skf18("8","5","5","10","4","8","1") = "9"
    & skf18("8","5","5","10","4","9","1") = "9"
    & skf18("8","5","5","10","4","10","1") = "9"
    & skf18("8","5","5","10","5","1","1") = "9"
    & skf18("8","5","5","10","5","2","1") = "9"
    & skf18("8","5","5","10","5","3","1") = "9"
    & skf18("8","5","5","10","5","4","1") = "9"
    & skf18("8","5","5","10","5","5","1") = "9"
    & skf18("8","5","5","10","5","6","1") = "9"
    & skf18("8","5","5","10","5","7","1") = "9"
    & skf18("8","5","5","10","5","8","1") = "9"
    & skf18("8","5","5","10","5","9","1") = "9"
    & skf18("8","5","5","10","5","10","1") = "9"
    & skf18("8","5","5","10","6","1","1") = "9"
    & skf18("8","5","5","10","6","2","1") = "9"
    & skf18("8","5","5","10","6","3","1") = "9"
    & skf18("8","5","5","10","6","4","1") = "9"
    & skf18("8","5","5","10","6","5","1") = "9"
    & skf18("8","5","5","10","6","6","1") = "9"
    & skf18("8","5","5","10","6","7","1") = "9"
    & skf18("8","5","5","10","6","8","1") = "9"
    & skf18("8","5","5","10","6","9","1") = "9"
    & skf18("8","5","5","10","6","10","1") = "9"
    & skf18("8","5","5","10","7","1","1") = "9"
    & skf18("8","5","5","10","7","2","1") = "9"
    & skf18("8","5","5","10","7","3","1") = "9"
    & skf18("8","5","5","10","7","4","1") = "9"
    & skf18("8","5","5","10","7","5","1") = "9"
    & skf18("8","5","5","10","7","6","1") = "9"
    & skf18("8","5","5","10","7","7","1") = "9"
    & skf18("8","5","5","10","7","8","1") = "9"
    & skf18("8","5","5","10","7","9","1") = "9"
    & skf18("8","5","5","10","7","10","1") = "9"
    & skf18("8","5","5","10","8","1","1") = "9"
    & skf18("8","5","5","10","8","2","1") = "9"
    & skf18("8","5","5","10","8","3","1") = "9"
    & skf18("8","5","5","10","8","4","1") = "9"
    & skf18("8","5","5","10","8","5","1") = "9"
    & skf18("8","5","5","10","8","6","1") = "9"
    & skf18("8","5","5","10","8","7","1") = "9"
    & skf18("8","5","5","10","8","8","1") = "9"
    & skf18("8","5","5","10","8","9","1") = "9"
    & skf18("8","5","5","10","8","10","1") = "9"
    & skf18("8","5","5","10","9","1","1") = "9"
    & skf18("8","5","5","10","9","2","1") = "9"
    & skf18("8","5","5","10","9","3","1") = "9"
    & skf18("8","5","5","10","9","4","1") = "9"
    & skf18("8","5","5","10","9","5","1") = "9"
    & skf18("8","5","5","10","9","6","1") = "9"
    & skf18("8","5","5","10","9","7","1") = "9"
    & skf18("8","5","5","10","9","8","1") = "9"
    & skf18("8","5","5","10","9","9","1") = "9"
    & skf18("8","5","5","10","9","10","1") = "9"
    & skf18("8","5","5","10","10","1","1") = "9"
    & skf18("8","5","5","10","10","2","1") = "9"
    & skf18("8","5","5","10","10","3","1") = "9"
    & skf18("8","5","5","10","10","4","1") = "9"
    & skf18("8","5","5","10","10","5","1") = "9"
    & skf18("8","5","5","10","10","6","1") = "9"
    & skf18("8","5","5","10","10","7","1") = "9"
    & skf18("8","5","5","10","10","8","1") = "9"
    & skf18("8","5","5","10","10","9","1") = "9"
    & skf18("8","5","5","10","10","10","1") = "9"
    & skf18("8","5","6","1","1","1","1") = "7"
    & skf18("8","5","6","1","1","2","1") = "7"
    & skf18("8","5","6","1","1","3","1") = "7"
    & skf18("8","5","6","1","1","4","1") = "7"
    & skf18("8","5","6","1","1","5","1") = "7"
    & skf18("8","5","6","1","1","6","1") = "7"
    & skf18("8","5","6","1","1","7","1") = "7"
    & skf18("8","5","6","1","1","8","1") = "7"
    & skf18("8","5","6","1","1","9","1") = "8"
    & skf18("8","5","6","1","1","10","1") = "9"
    & skf18("8","5","6","1","2","1","1") = "7"
    & skf18("8","5","6","1","2","2","1") = "7"
    & skf18("8","5","6","1","2","3","1") = "7"
    & skf18("8","5","6","1","2","4","1") = "7"
    & skf18("8","5","6","1","2","5","1") = "7"
    & skf18("8","5","6","1","2","6","1") = "7"
    & skf18("8","5","6","1","2","7","1") = "7"
    & skf18("8","5","6","1","2","8","1") = "7"
    & skf18("8","5","6","1","2","9","1") = "8"
    & skf18("8","5","6","1","2","10","1") = "9"
    & skf18("8","5","6","1","3","1","1") = "7"
    & skf18("8","5","6","1","3","2","1") = "7"
    & skf18("8","5","6","1","3","3","1") = "7"
    & skf18("8","5","6","1","3","4","1") = "7"
    & skf18("8","5","6","1","3","5","1") = "7"
    & skf18("8","5","6","1","3","6","1") = "7"
    & skf18("8","5","6","1","3","7","1") = "7"
    & skf18("8","5","6","1","3","8","1") = "7"
    & skf18("8","5","6","1","3","9","1") = "8"
    & skf18("8","5","6","1","3","10","1") = "9"
    & skf18("8","5","6","1","4","1","1") = "7"
    & skf18("8","5","6","1","4","2","1") = "7"
    & skf18("8","5","6","1","4","3","1") = "7"
    & skf18("8","5","6","1","4","4","1") = "7"
    & skf18("8","5","6","1","4","5","1") = "7"
    & skf18("8","5","6","1","4","6","1") = "7"
    & skf18("8","5","6","1","4","7","1") = "7"
    & skf18("8","5","6","1","4","8","1") = "7"
    & skf18("8","5","6","1","4","9","1") = "8"
    & skf18("8","5","6","1","4","10","1") = "9"
    & skf18("8","5","6","1","5","1","1") = "7"
    & skf18("8","5","6","1","5","2","1") = "7"
    & skf18("8","5","6","1","5","3","1") = "7"
    & skf18("8","5","6","1","5","4","1") = "7"
    & skf18("8","5","6","1","5","5","1") = "7"
    & skf18("8","5","6","1","5","6","1") = "7"
    & skf18("8","5","6","1","5","7","1") = "7"
    & skf18("8","5","6","1","5","8","1") = "7"
    & skf18("8","5","6","1","5","9","1") = "8"
    & skf18("8","5","6","1","5","10","1") = "9"
    & skf18("8","5","6","1","6","1","1") = "7"
    & skf18("8","5","6","1","6","2","1") = "7"
    & skf18("8","5","6","1","6","3","1") = "7"
    & skf18("8","5","6","1","6","4","1") = "7"
    & skf18("8","5","6","1","6","5","1") = "7"
    & skf18("8","5","6","1","6","6","1") = "7"
    & skf18("8","5","6","1","6","7","1") = "7"
    & skf18("8","5","6","1","6","8","1") = "7"
    & skf18("8","5","6","1","6","9","1") = "8"
    & skf18("8","5","6","1","6","10","1") = "9"
    & skf18("8","5","6","1","7","1","1") = "7"
    & skf18("8","5","6","1","7","2","1") = "7"
    & skf18("8","5","6","1","7","3","1") = "7"
    & skf18("8","5","6","1","7","4","1") = "7"
    & skf18("8","5","6","1","7","5","1") = "7"
    & skf18("8","5","6","1","7","6","1") = "7"
    & skf18("8","5","6","1","7","7","1") = "7"
    & skf18("8","5","6","1","7","8","1") = "7"
    & skf18("8","5","6","1","7","9","1") = "8"
    & skf18("8","5","6","1","7","10","1") = "9"
    & skf18("8","5","6","1","8","1","1") = "7"
    & skf18("8","5","6","1","8","2","1") = "7"
    & skf18("8","5","6","1","8","3","1") = "7"
    & skf18("8","5","6","1","8","4","1") = "7"
    & skf18("8","5","6","1","8","5","1") = "7"
    & skf18("8","5","6","1","8","6","1") = "7"
    & skf18("8","5","6","1","8","7","1") = "7"
    & skf18("8","5","6","1","8","8","1") = "7"
    & skf18("8","5","6","1","8","9","1") = "8"
    & skf18("8","5","6","1","8","10","1") = "9"
    & skf18("8","5","6","1","9","1","1") = "8"
    & skf18("8","5","6","1","9","2","1") = "8"
    & skf18("8","5","6","1","9","3","1") = "8"
    & skf18("8","5","6","1","9","4","1") = "8"
    & skf18("8","5","6","1","9","5","1") = "8"
    & skf18("8","5","6","1","9","6","1") = "8"
    & skf18("8","5","6","1","9","7","1") = "8"
    & skf18("8","5","6","1","9","8","1") = "8"
    & skf18("8","5","6","1","9","9","1") = "8"
    & skf18("8","5","6","1","9","10","1") = "9"
    & skf18("8","5","6","1","10","1","1") = "9"
    & skf18("8","5","6","1","10","2","1") = "9"
    & skf18("8","5","6","1","10","3","1") = "9"
    & skf18("8","5","6","1","10","4","1") = "9"
    & skf18("8","5","6","1","10","5","1") = "9"
    & skf18("8","5","6","1","10","6","1") = "9"
    & skf18("8","5","6","1","10","7","1") = "9"
    & skf18("8","5","6","1","10","8","1") = "9"
    & skf18("8","5","6","1","10","9","1") = "9"
    & skf18("8","5","6","1","10","10","1") = "9"
    & skf18("8","5","6","2","1","1","1") = "7"
    & skf18("8","5","6","2","1","2","1") = "7"
    & skf18("8","5","6","2","1","3","1") = "7"
    & skf18("8","5","6","2","1","4","1") = "7"
    & skf18("8","5","6","2","1","5","1") = "7"
    & skf18("8","5","6","2","1","6","1") = "7"
    & skf18("8","5","6","2","1","7","1") = "7"
    & skf18("8","5","6","2","1","8","1") = "7"
    & skf18("8","5","6","2","1","9","1") = "8"
    & skf18("8","5","6","2","1","10","1") = "9"
    & skf18("8","5","6","2","2","1","1") = "7"
    & skf18("8","5","6","2","2","2","1") = "7"
    & skf18("8","5","6","2","2","3","1") = "7"
    & skf18("8","5","6","2","2","4","1") = "7"
    & skf18("8","5","6","2","2","5","1") = "7"
    & skf18("8","5","6","2","2","6","1") = "7"
    & skf18("8","5","6","2","2","7","1") = "7"
    & skf18("8","5","6","2","2","8","1") = "7"
    & skf18("8","5","6","2","2","9","1") = "8"
    & skf18("8","5","6","2","2","10","1") = "9"
    & skf18("8","5","6","2","3","1","1") = "7"
    & skf18("8","5","6","2","3","2","1") = "7"
    & skf18("8","5","6","2","3","3","1") = "7"
    & skf18("8","5","6","2","3","4","1") = "7"
    & skf18("8","5","6","2","3","5","1") = "7"
    & skf18("8","5","6","2","3","6","1") = "7"
    & skf18("8","5","6","2","3","7","1") = "7"
    & skf18("8","5","6","2","3","8","1") = "7"
    & skf18("8","5","6","2","3","9","1") = "8"
    & skf18("8","5","6","2","3","10","1") = "9"
    & skf18("8","5","6","2","4","1","1") = "7"
    & skf18("8","5","6","2","4","2","1") = "7"
    & skf18("8","5","6","2","4","3","1") = "7"
    & skf18("8","5","6","2","4","4","1") = "7"
    & skf18("8","5","6","2","4","5","1") = "7"
    & skf18("8","5","6","2","4","6","1") = "7"
    & skf18("8","5","6","2","4","7","1") = "7"
    & skf18("8","5","6","2","4","8","1") = "7"
    & skf18("8","5","6","2","4","9","1") = "8"
    & skf18("8","5","6","2","4","10","1") = "9"
    & skf18("8","5","6","2","5","1","1") = "7"
    & skf18("8","5","6","2","5","2","1") = "7"
    & skf18("8","5","6","2","5","3","1") = "7"
    & skf18("8","5","6","2","5","4","1") = "7"
    & skf18("8","5","6","2","5","5","1") = "7"
    & skf18("8","5","6","2","5","6","1") = "7"
    & skf18("8","5","6","2","5","7","1") = "7"
    & skf18("8","5","6","2","5","8","1") = "7"
    & skf18("8","5","6","2","5","9","1") = "8"
    & skf18("8","5","6","2","5","10","1") = "9"
    & skf18("8","5","6","2","6","1","1") = "7"
    & skf18("8","5","6","2","6","2","1") = "7"
    & skf18("8","5","6","2","6","3","1") = "7"
    & skf18("8","5","6","2","6","4","1") = "7"
    & skf18("8","5","6","2","6","5","1") = "7"
    & skf18("8","5","6","2","6","6","1") = "7"
    & skf18("8","5","6","2","6","7","1") = "7"
    & skf18("8","5","6","2","6","8","1") = "7"
    & skf18("8","5","6","2","6","9","1") = "8"
    & skf18("8","5","6","2","6","10","1") = "9"
    & skf18("8","5","6","2","7","1","1") = "7"
    & skf18("8","5","6","2","7","2","1") = "7"
    & skf18("8","5","6","2","7","3","1") = "7"
    & skf18("8","5","6","2","7","4","1") = "7"
    & skf18("8","5","6","2","7","5","1") = "7"
    & skf18("8","5","6","2","7","6","1") = "7"
    & skf18("8","5","6","2","7","7","1") = "7"
    & skf18("8","5","6","2","7","8","1") = "7"
    & skf18("8","5","6","2","7","9","1") = "8"
    & skf18("8","5","6","2","7","10","1") = "9"
    & skf18("8","5","6","2","8","1","1") = "7"
    & skf18("8","5","6","2","8","2","1") = "7"
    & skf18("8","5","6","2","8","3","1") = "7"
    & skf18("8","5","6","2","8","4","1") = "7"
    & skf18("8","5","6","2","8","5","1") = "7"
    & skf18("8","5","6","2","8","6","1") = "7"
    & skf18("8","5","6","2","8","7","1") = "7"
    & skf18("8","5","6","2","8","8","1") = "7"
    & skf18("8","5","6","2","8","9","1") = "8"
    & skf18("8","5","6","2","8","10","1") = "9"
    & skf18("8","5","6","2","9","1","1") = "8"
    & skf18("8","5","6","2","9","2","1") = "8"
    & skf18("8","5","6","2","9","3","1") = "8"
    & skf18("8","5","6","2","9","4","1") = "8"
    & skf18("8","5","6","2","9","5","1") = "8"
    & skf18("8","5","6","2","9","6","1") = "8"
    & skf18("8","5","6","2","9","7","1") = "8"
    & skf18("8","5","6","2","9","8","1") = "8"
    & skf18("8","5","6","2","9","9","1") = "8"
    & skf18("8","5","6","2","9","10","1") = "9"
    & skf18("8","5","6","2","10","1","1") = "9"
    & skf18("8","5","6","2","10","2","1") = "9"
    & skf18("8","5","6","2","10","3","1") = "9"
    & skf18("8","5","6","2","10","4","1") = "9"
    & skf18("8","5","6","2","10","5","1") = "9"
    & skf18("8","5","6","2","10","6","1") = "9"
    & skf18("8","5","6","2","10","7","1") = "9"
    & skf18("8","5","6","2","10","8","1") = "9"
    & skf18("8","5","6","2","10","9","1") = "9"
    & skf18("8","5","6","2","10","10","1") = "9"
    & skf18("8","5","6","3","1","1","1") = "7"
    & skf18("8","5","6","3","1","2","1") = "7"
    & skf18("8","5","6","3","1","3","1") = "7"
    & skf18("8","5","6","3","1","4","1") = "7"
    & skf18("8","5","6","3","1","5","1") = "7"
    & skf18("8","5","6","3","1","6","1") = "7"
    & skf18("8","5","6","3","1","7","1") = "7"
    & skf18("8","5","6","3","1","8","1") = "7"
    & skf18("8","5","6","3","1","9","1") = "8"
    & skf18("8","5","6","3","1","10","1") = "9"
    & skf18("8","5","6","3","2","1","1") = "7"
    & skf18("8","5","6","3","2","2","1") = "7"
    & skf18("8","5","6","3","2","3","1") = "7"
    & skf18("8","5","6","3","2","4","1") = "7"
    & skf18("8","5","6","3","2","5","1") = "7"
    & skf18("8","5","6","3","2","6","1") = "7"
    & skf18("8","5","6","3","2","7","1") = "7"
    & skf18("8","5","6","3","2","8","1") = "7"
    & skf18("8","5","6","3","2","9","1") = "8"
    & skf18("8","5","6","3","2","10","1") = "9"
    & skf18("8","5","6","3","3","1","1") = "7"
    & skf18("8","5","6","3","3","2","1") = "7"
    & skf18("8","5","6","3","3","3","1") = "7"
    & skf18("8","5","6","3","3","4","1") = "7"
    & skf18("8","5","6","3","3","5","1") = "7"
    & skf18("8","5","6","3","3","6","1") = "7"
    & skf18("8","5","6","3","3","7","1") = "7"
    & skf18("8","5","6","3","3","8","1") = "7"
    & skf18("8","5","6","3","3","9","1") = "8"
    & skf18("8","5","6","3","3","10","1") = "9"
    & skf18("8","5","6","3","4","1","1") = "7"
    & skf18("8","5","6","3","4","2","1") = "7"
    & skf18("8","5","6","3","4","3","1") = "7"
    & skf18("8","5","6","3","4","4","1") = "7"
    & skf18("8","5","6","3","4","5","1") = "7"
    & skf18("8","5","6","3","4","6","1") = "7"
    & skf18("8","5","6","3","4","7","1") = "7"
    & skf18("8","5","6","3","4","8","1") = "7"
    & skf18("8","5","6","3","4","9","1") = "8"
    & skf18("8","5","6","3","4","10","1") = "9"
    & skf18("8","5","6","3","5","1","1") = "7"
    & skf18("8","5","6","3","5","2","1") = "7"
    & skf18("8","5","6","3","5","3","1") = "7"
    & skf18("8","5","6","3","5","4","1") = "7"
    & skf18("8","5","6","3","5","5","1") = "7"
    & skf18("8","5","6","3","5","6","1") = "7"
    & skf18("8","5","6","3","5","7","1") = "7"
    & skf18("8","5","6","3","5","8","1") = "7"
    & skf18("8","5","6","3","5","9","1") = "8"
    & skf18("8","5","6","3","5","10","1") = "9"
    & skf18("8","5","6","3","6","1","1") = "7"
    & skf18("8","5","6","3","6","2","1") = "7"
    & skf18("8","5","6","3","6","3","1") = "7"
    & skf18("8","5","6","3","6","4","1") = "7"
    & skf18("8","5","6","3","6","5","1") = "7"
    & skf18("8","5","6","3","6","6","1") = "7"
    & skf18("8","5","6","3","6","7","1") = "7"
    & skf18("8","5","6","3","6","8","1") = "7"
    & skf18("8","5","6","3","6","9","1") = "8"
    & skf18("8","5","6","3","6","10","1") = "9"
    & skf18("8","5","6","3","7","1","1") = "7"
    & skf18("8","5","6","3","7","2","1") = "7"
    & skf18("8","5","6","3","7","3","1") = "7"
    & skf18("8","5","6","3","7","4","1") = "7"
    & skf18("8","5","6","3","7","5","1") = "7"
    & skf18("8","5","6","3","7","6","1") = "7"
    & skf18("8","5","6","3","7","7","1") = "7"
    & skf18("8","5","6","3","7","8","1") = "7"
    & skf18("8","5","6","3","7","9","1") = "8"
    & skf18("8","5","6","3","7","10","1") = "9"
    & skf18("8","5","6","3","8","1","1") = "7"
    & skf18("8","5","6","3","8","2","1") = "7"
    & skf18("8","5","6","3","8","3","1") = "7"
    & skf18("8","5","6","3","8","4","1") = "7"
    & skf18("8","5","6","3","8","5","1") = "7"
    & skf18("8","5","6","3","8","6","1") = "7"
    & skf18("8","5","6","3","8","7","1") = "7"
    & skf18("8","5","6","3","8","8","1") = "7"
    & skf18("8","5","6","3","8","9","1") = "8"
    & skf18("8","5","6","3","8","10","1") = "9"
    & skf18("8","5","6","3","9","1","1") = "8"
    & skf18("8","5","6","3","9","2","1") = "8"
    & skf18("8","5","6","3","9","3","1") = "8"
    & skf18("8","5","6","3","9","4","1") = "8"
    & skf18("8","5","6","3","9","5","1") = "8"
    & skf18("8","5","6","3","9","6","1") = "8"
    & skf18("8","5","6","3","9","7","1") = "8"
    & skf18("8","5","6","3","9","8","1") = "8"
    & skf18("8","5","6","3","9","9","1") = "8"
    & skf18("8","5","6","3","9","10","1") = "9"
    & skf18("8","5","6","3","10","1","1") = "9"
    & skf18("8","5","6","3","10","2","1") = "9"
    & skf18("8","5","6","3","10","3","1") = "9"
    & skf18("8","5","6","3","10","4","1") = "9"
    & skf18("8","5","6","3","10","5","1") = "9"
    & skf18("8","5","6","3","10","6","1") = "9"
    & skf18("8","5","6","3","10","7","1") = "9"
    & skf18("8","5","6","3","10","8","1") = "9"
    & skf18("8","5","6","3","10","9","1") = "9"
    & skf18("8","5","6","3","10","10","1") = "9"
    & skf18("8","5","6","4","1","1","1") = "7"
    & skf18("8","5","6","4","1","2","1") = "7"
    & skf18("8","5","6","4","1","3","1") = "7"
    & skf18("8","5","6","4","1","4","1") = "7"
    & skf18("8","5","6","4","1","5","1") = "7"
    & skf18("8","5","6","4","1","6","1") = "7"
    & skf18("8","5","6","4","1","7","1") = "7"
    & skf18("8","5","6","4","1","8","1") = "7"
    & skf18("8","5","6","4","1","9","1") = "8"
    & skf18("8","5","6","4","1","10","1") = "9"
    & skf18("8","5","6","4","2","1","1") = "7"
    & skf18("8","5","6","4","2","2","1") = "7"
    & skf18("8","5","6","4","2","3","1") = "7"
    & skf18("8","5","6","4","2","4","1") = "7"
    & skf18("8","5","6","4","2","5","1") = "7"
    & skf18("8","5","6","4","2","6","1") = "7"
    & skf18("8","5","6","4","2","7","1") = "7"
    & skf18("8","5","6","4","2","8","1") = "7"
    & skf18("8","5","6","4","2","9","1") = "8"
    & skf18("8","5","6","4","2","10","1") = "9"
    & skf18("8","5","6","4","3","1","1") = "7"
    & skf18("8","5","6","4","3","2","1") = "7"
    & skf18("8","5","6","4","3","3","1") = "7"
    & skf18("8","5","6","4","3","4","1") = "7"
    & skf18("8","5","6","4","3","5","1") = "7"
    & skf18("8","5","6","4","3","6","1") = "7"
    & skf18("8","5","6","4","3","7","1") = "7"
    & skf18("8","5","6","4","3","8","1") = "7"
    & skf18("8","5","6","4","3","9","1") = "8"
    & skf18("8","5","6","4","3","10","1") = "9"
    & skf18("8","5","6","4","4","1","1") = "7"
    & skf18("8","5","6","4","4","2","1") = "7"
    & skf18("8","5","6","4","4","3","1") = "7"
    & skf18("8","5","6","4","4","4","1") = "7"
    & skf18("8","5","6","4","4","5","1") = "7"
    & skf18("8","5","6","4","4","6","1") = "7"
    & skf18("8","5","6","4","4","7","1") = "7"
    & skf18("8","5","6","4","4","8","1") = "7"
    & skf18("8","5","6","4","4","9","1") = "8"
    & skf18("8","5","6","4","4","10","1") = "9"
    & skf18("8","5","6","4","5","1","1") = "7"
    & skf18("8","5","6","4","5","2","1") = "7"
    & skf18("8","5","6","4","5","3","1") = "7"
    & skf18("8","5","6","4","5","4","1") = "7"
    & skf18("8","5","6","4","5","5","1") = "7"
    & skf18("8","5","6","4","5","6","1") = "7"
    & skf18("8","5","6","4","5","7","1") = "7"
    & skf18("8","5","6","4","5","8","1") = "7"
    & skf18("8","5","6","4","5","9","1") = "8"
    & skf18("8","5","6","4","5","10","1") = "9"
    & skf18("8","5","6","4","6","1","1") = "7"
    & skf18("8","5","6","4","6","2","1") = "7"
    & skf18("8","5","6","4","6","3","1") = "7"
    & skf18("8","5","6","4","6","4","1") = "7"
    & skf18("8","5","6","4","6","5","1") = "7"
    & skf18("8","5","6","4","6","6","1") = "7"
    & skf18("8","5","6","4","6","7","1") = "7"
    & skf18("8","5","6","4","6","8","1") = "7"
    & skf18("8","5","6","4","6","9","1") = "8"
    & skf18("8","5","6","4","6","10","1") = "9"
    & skf18("8","5","6","4","7","1","1") = "7"
    & skf18("8","5","6","4","7","2","1") = "7"
    & skf18("8","5","6","4","7","3","1") = "7"
    & skf18("8","5","6","4","7","4","1") = "7"
    & skf18("8","5","6","4","7","5","1") = "7"
    & skf18("8","5","6","4","7","6","1") = "7"
    & skf18("8","5","6","4","7","7","1") = "7"
    & skf18("8","5","6","4","7","8","1") = "7"
    & skf18("8","5","6","4","7","9","1") = "8"
    & skf18("8","5","6","4","7","10","1") = "9"
    & skf18("8","5","6","4","8","1","1") = "7"
    & skf18("8","5","6","4","8","2","1") = "7"
    & skf18("8","5","6","4","8","3","1") = "7"
    & skf18("8","5","6","4","8","4","1") = "7"
    & skf18("8","5","6","4","8","5","1") = "7"
    & skf18("8","5","6","4","8","6","1") = "7"
    & skf18("8","5","6","4","8","7","1") = "7"
    & skf18("8","5","6","4","8","8","1") = "7"
    & skf18("8","5","6","4","8","9","1") = "8"
    & skf18("8","5","6","4","8","10","1") = "9"
    & skf18("8","5","6","4","9","1","1") = "8"
    & skf18("8","5","6","4","9","2","1") = "8"
    & skf18("8","5","6","4","9","3","1") = "8"
    & skf18("8","5","6","4","9","4","1") = "8"
    & skf18("8","5","6","4","9","5","1") = "8"
    & skf18("8","5","6","4","9","6","1") = "8"
    & skf18("8","5","6","4","9","7","1") = "8"
    & skf18("8","5","6","4","9","8","1") = "8"
    & skf18("8","5","6","4","9","9","1") = "8"
    & skf18("8","5","6","4","9","10","1") = "9"
    & skf18("8","5","6","4","10","1","1") = "9"
    & skf18("8","5","6","4","10","2","1") = "9"
    & skf18("8","5","6","4","10","3","1") = "9"
    & skf18("8","5","6","4","10","4","1") = "9"
    & skf18("8","5","6","4","10","5","1") = "9"
    & skf18("8","5","6","4","10","6","1") = "9"
    & skf18("8","5","6","4","10","7","1") = "9"
    & skf18("8","5","6","4","10","8","1") = "9"
    & skf18("8","5","6","4","10","9","1") = "9"
    & skf18("8","5","6","4","10","10","1") = "9"
    & skf18("8","5","6","5","1","1","1") = "7"
    & skf18("8","5","6","5","1","2","1") = "7"
    & skf18("8","5","6","5","1","3","1") = "7"
    & skf18("8","5","6","5","1","4","1") = "7"
    & skf18("8","5","6","5","1","5","1") = "7"
    & skf18("8","5","6","5","1","6","1") = "7"
    & skf18("8","5","6","5","1","7","1") = "7"
    & skf18("8","5","6","5","1","8","1") = "7"
    & skf18("8","5","6","5","1","9","1") = "8"
    & skf18("8","5","6","5","1","10","1") = "9"
    & skf18("8","5","6","5","2","1","1") = "7"
    & skf18("8","5","6","5","2","2","1") = "7"
    & skf18("8","5","6","5","2","3","1") = "7"
    & skf18("8","5","6","5","2","4","1") = "7"
    & skf18("8","5","6","5","2","5","1") = "7"
    & skf18("8","5","6","5","2","6","1") = "7"
    & skf18("8","5","6","5","2","7","1") = "7"
    & skf18("8","5","6","5","2","8","1") = "7"
    & skf18("8","5","6","5","2","9","1") = "8"
    & skf18("8","5","6","5","2","10","1") = "9"
    & skf18("8","5","6","5","3","1","1") = "7"
    & skf18("8","5","6","5","3","2","1") = "7"
    & skf18("8","5","6","5","3","3","1") = "7"
    & skf18("8","5","6","5","3","4","1") = "7"
    & skf18("8","5","6","5","3","5","1") = "7"
    & skf18("8","5","6","5","3","6","1") = "7"
    & skf18("8","5","6","5","3","7","1") = "7"
    & skf18("8","5","6","5","3","8","1") = "7"
    & skf18("8","5","6","5","3","9","1") = "8"
    & skf18("8","5","6","5","3","10","1") = "9"
    & skf18("8","5","6","5","4","1","1") = "7"
    & skf18("8","5","6","5","4","2","1") = "7"
    & skf18("8","5","6","5","4","3","1") = "7"
    & skf18("8","5","6","5","4","4","1") = "7"
    & skf18("8","5","6","5","4","5","1") = "7"
    & skf18("8","5","6","5","4","6","1") = "7"
    & skf18("8","5","6","5","4","7","1") = "7"
    & skf18("8","5","6","5","4","8","1") = "7"
    & skf18("8","5","6","5","4","9","1") = "8"
    & skf18("8","5","6","5","4","10","1") = "9"
    & skf18("8","5","6","5","5","1","1") = "7"
    & skf18("8","5","6","5","5","2","1") = "7"
    & skf18("8","5","6","5","5","3","1") = "7"
    & skf18("8","5","6","5","5","4","1") = "7"
    & skf18("8","5","6","5","5","5","1") = "7"
    & skf18("8","5","6","5","5","6","1") = "7"
    & skf18("8","5","6","5","5","7","1") = "7"
    & skf18("8","5","6","5","5","8","1") = "7"
    & skf18("8","5","6","5","5","9","1") = "8"
    & skf18("8","5","6","5","5","10","1") = "9"
    & skf18("8","5","6","5","6","1","1") = "7"
    & skf18("8","5","6","5","6","2","1") = "7"
    & skf18("8","5","6","5","6","3","1") = "7"
    & skf18("8","5","6","5","6","4","1") = "7"
    & skf18("8","5","6","5","6","5","1") = "7"
    & skf18("8","5","6","5","6","6","1") = "7"
    & skf18("8","5","6","5","6","7","1") = "7"
    & skf18("8","5","6","5","6","8","1") = "7"
    & skf18("8","5","6","5","6","9","1") = "8"
    & skf18("8","5","6","5","6","10","1") = "9"
    & skf18("8","5","6","5","7","1","1") = "7"
    & skf18("8","5","6","5","7","2","1") = "7"
    & skf18("8","5","6","5","7","3","1") = "7"
    & skf18("8","5","6","5","7","4","1") = "7"
    & skf18("8","5","6","5","7","5","1") = "7"
    & skf18("8","5","6","5","7","6","1") = "7"
    & skf18("8","5","6","5","7","7","1") = "7"
    & skf18("8","5","6","5","7","8","1") = "7"
    & skf18("8","5","6","5","7","9","1") = "8"
    & skf18("8","5","6","5","7","10","1") = "9"
    & skf18("8","5","6","5","8","1","1") = "7"
    & skf18("8","5","6","5","8","2","1") = "7"
    & skf18("8","5","6","5","8","3","1") = "7"
    & skf18("8","5","6","5","8","4","1") = "7"
    & skf18("8","5","6","5","8","5","1") = "7"
    & skf18("8","5","6","5","8","6","1") = "7"
    & skf18("8","5","6","5","8","7","1") = "7"
    & skf18("8","5","6","5","8","8","1") = "7"
    & skf18("8","5","6","5","8","9","1") = "8"
    & skf18("8","5","6","5","8","10","1") = "9"
    & skf18("8","5","6","5","9","1","1") = "8"
    & skf18("8","5","6","5","9","2","1") = "8"
    & skf18("8","5","6","5","9","3","1") = "8"
    & skf18("8","5","6","5","9","4","1") = "8"
    & skf18("8","5","6","5","9","5","1") = "8"
    & skf18("8","5","6","5","9","6","1") = "8"
    & skf18("8","5","6","5","9","7","1") = "8"
    & skf18("8","5","6","5","9","8","1") = "8"
    & skf18("8","5","6","5","9","9","1") = "8"
    & skf18("8","5","6","5","9","10","1") = "9"
    & skf18("8","5","6","5","10","1","1") = "9"
    & skf18("8","5","6","5","10","2","1") = "9"
    & skf18("8","5","6","5","10","3","1") = "9"
    & skf18("8","5","6","5","10","4","1") = "9"
    & skf18("8","5","6","5","10","5","1") = "9"
    & skf18("8","5","6","5","10","6","1") = "9"
    & skf18("8","5","6","5","10","7","1") = "9"
    & skf18("8","5","6","5","10","8","1") = "9"
    & skf18("8","5","6","5","10","9","1") = "9"
    & skf18("8","5","6","5","10","10","1") = "9"
    & skf18("8","5","6","6","1","1","1") = "7"
    & skf18("8","5","6","6","1","2","1") = "7"
    & skf18("8","5","6","6","1","3","1") = "7"
    & skf18("8","5","6","6","1","4","1") = "7"
    & skf18("8","5","6","6","1","5","1") = "7"
    & skf18("8","5","6","6","1","6","1") = "7"
    & skf18("8","5","6","6","1","7","1") = "7"
    & skf18("8","5","6","6","1","8","1") = "7"
    & skf18("8","5","6","6","1","9","1") = "8"
    & skf18("8","5","6","6","1","10","1") = "9"
    & skf18("8","5","6","6","2","1","1") = "7"
    & skf18("8","5","6","6","2","2","1") = "7"
    & skf18("8","5","6","6","2","3","1") = "7"
    & skf18("8","5","6","6","2","4","1") = "7"
    & skf18("8","5","6","6","2","5","1") = "7"
    & skf18("8","5","6","6","2","6","1") = "7"
    & skf18("8","5","6","6","2","7","1") = "7"
    & skf18("8","5","6","6","2","8","1") = "7"
    & skf18("8","5","6","6","2","9","1") = "8"
    & skf18("8","5","6","6","2","10","1") = "9"
    & skf18("8","5","6","6","3","1","1") = "7"
    & skf18("8","5","6","6","3","2","1") = "7"
    & skf18("8","5","6","6","3","3","1") = "7"
    & skf18("8","5","6","6","3","4","1") = "7"
    & skf18("8","5","6","6","3","5","1") = "7"
    & skf18("8","5","6","6","3","6","1") = "7"
    & skf18("8","5","6","6","3","7","1") = "7"
    & skf18("8","5","6","6","3","8","1") = "7"
    & skf18("8","5","6","6","3","9","1") = "8"
    & skf18("8","5","6","6","3","10","1") = "9"
    & skf18("8","5","6","6","4","1","1") = "7"
    & skf18("8","5","6","6","4","2","1") = "7"
    & skf18("8","5","6","6","4","3","1") = "7"
    & skf18("8","5","6","6","4","4","1") = "7"
    & skf18("8","5","6","6","4","5","1") = "7"
    & skf18("8","5","6","6","4","6","1") = "7"
    & skf18("8","5","6","6","4","7","1") = "7"
    & skf18("8","5","6","6","4","8","1") = "7"
    & skf18("8","5","6","6","4","9","1") = "8"
    & skf18("8","5","6","6","4","10","1") = "9"
    & skf18("8","5","6","6","5","1","1") = "7"
    & skf18("8","5","6","6","5","2","1") = "7"
    & skf18("8","5","6","6","5","3","1") = "7"
    & skf18("8","5","6","6","5","4","1") = "7"
    & skf18("8","5","6","6","5","5","1") = "7"
    & skf18("8","5","6","6","5","6","1") = "7"
    & skf18("8","5","6","6","5","7","1") = "7"
    & skf18("8","5","6","6","5","8","1") = "7"
    & skf18("8","5","6","6","5","9","1") = "8"
    & skf18("8","5","6","6","5","10","1") = "9"
    & skf18("8","5","6","6","6","1","1") = "7"
    & skf18("8","5","6","6","6","2","1") = "7"
    & skf18("8","5","6","6","6","3","1") = "7"
    & skf18("8","5","6","6","6","4","1") = "7"
    & skf18("8","5","6","6","6","5","1") = "7"
    & skf18("8","5","6","6","6","6","1") = "7"
    & skf18("8","5","6","6","6","7","1") = "7"
    & skf18("8","5","6","6","6","8","1") = "7"
    & skf18("8","5","6","6","6","9","1") = "8"
    & skf18("8","5","6","6","6","10","1") = "9"
    & skf18("8","5","6","6","7","1","1") = "7"
    & skf18("8","5","6","6","7","2","1") = "7"
    & skf18("8","5","6","6","7","3","1") = "7"
    & skf18("8","5","6","6","7","4","1") = "7"
    & skf18("8","5","6","6","7","5","1") = "7"
    & skf18("8","5","6","6","7","6","1") = "7"
    & skf18("8","5","6","6","7","7","1") = "7"
    & skf18("8","5","6","6","7","8","1") = "7"
    & skf18("8","5","6","6","7","9","1") = "8"
    & skf18("8","5","6","6","7","10","1") = "9"
    & skf18("8","5","6","6","8","1","1") = "7"
    & skf18("8","5","6","6","8","2","1") = "7"
    & skf18("8","5","6","6","8","3","1") = "7"
    & skf18("8","5","6","6","8","4","1") = "7"
    & skf18("8","5","6","6","8","5","1") = "7"
    & skf18("8","5","6","6","8","6","1") = "7"
    & skf18("8","5","6","6","8","7","1") = "7"
    & skf18("8","5","6","6","8","8","1") = "7"
    & skf18("8","5","6","6","8","9","1") = "8"
    & skf18("8","5","6","6","8","10","1") = "9"
    & skf18("8","5","6","6","9","1","1") = "8"
    & skf18("8","5","6","6","9","2","1") = "8"
    & skf18("8","5","6","6","9","3","1") = "8"
    & skf18("8","5","6","6","9","4","1") = "8"
    & skf18("8","5","6","6","9","5","1") = "8"
    & skf18("8","5","6","6","9","6","1") = "8"
    & skf18("8","5","6","6","9","7","1") = "8"
    & skf18("8","5","6","6","9","8","1") = "8"
    & skf18("8","5","6","6","9","9","1") = "8"
    & skf18("8","5","6","6","9","10","1") = "9"
    & skf18("8","5","6","6","10","1","1") = "9"
    & skf18("8","5","6","6","10","2","1") = "9"
    & skf18("8","5","6","6","10","3","1") = "9"
    & skf18("8","5","6","6","10","4","1") = "9"
    & skf18("8","5","6","6","10","5","1") = "9"
    & skf18("8","5","6","6","10","6","1") = "9"
    & skf18("8","5","6","6","10","7","1") = "9"
    & skf18("8","5","6","6","10","8","1") = "9"
    & skf18("8","5","6","6","10","9","1") = "9"
    & skf18("8","5","6","6","10","10","1") = "9"
    & skf18("8","5","6","7","1","1","1") = "7"
    & skf18("8","5","6","7","1","2","1") = "7"
    & skf18("8","5","6","7","1","3","1") = "7"
    & skf18("8","5","6","7","1","4","1") = "7"
    & skf18("8","5","6","7","1","5","1") = "7"
    & skf18("8","5","6","7","1","6","1") = "7"
    & skf18("8","5","6","7","1","7","1") = "7"
    & skf18("8","5","6","7","1","8","1") = "7"
    & skf18("8","5","6","7","1","9","1") = "8"
    & skf18("8","5","6","7","1","10","1") = "9"
    & skf18("8","5","6","7","2","1","1") = "7"
    & skf18("8","5","6","7","2","2","1") = "7"
    & skf18("8","5","6","7","2","3","1") = "7"
    & skf18("8","5","6","7","2","4","1") = "7"
    & skf18("8","5","6","7","2","5","1") = "7"
    & skf18("8","5","6","7","2","6","1") = "7"
    & skf18("8","5","6","7","2","7","1") = "7"
    & skf18("8","5","6","7","2","8","1") = "7"
    & skf18("8","5","6","7","2","9","1") = "8"
    & skf18("8","5","6","7","2","10","1") = "9"
    & skf18("8","5","6","7","3","1","1") = "7"
    & skf18("8","5","6","7","3","2","1") = "7"
    & skf18("8","5","6","7","3","3","1") = "7"
    & skf18("8","5","6","7","3","4","1") = "7"
    & skf18("8","5","6","7","3","5","1") = "7"
    & skf18("8","5","6","7","3","6","1") = "7"
    & skf18("8","5","6","7","3","7","1") = "7"
    & skf18("8","5","6","7","3","8","1") = "7"
    & skf18("8","5","6","7","3","9","1") = "8"
    & skf18("8","5","6","7","3","10","1") = "9"
    & skf18("8","5","6","7","4","1","1") = "7"
    & skf18("8","5","6","7","4","2","1") = "7"
    & skf18("8","5","6","7","4","3","1") = "7"
    & skf18("8","5","6","7","4","4","1") = "7"
    & skf18("8","5","6","7","4","5","1") = "7"
    & skf18("8","5","6","7","4","6","1") = "7"
    & skf18("8","5","6","7","4","7","1") = "7"
    & skf18("8","5","6","7","4","8","1") = "7"
    & skf18("8","5","6","7","4","9","1") = "8"
    & skf18("8","5","6","7","4","10","1") = "9"
    & skf18("8","5","6","7","5","1","1") = "7"
    & skf18("8","5","6","7","5","2","1") = "7"
    & skf18("8","5","6","7","5","3","1") = "7"
    & skf18("8","5","6","7","5","4","1") = "7"
    & skf18("8","5","6","7","5","5","1") = "7"
    & skf18("8","5","6","7","5","6","1") = "7"
    & skf18("8","5","6","7","5","7","1") = "7"
    & skf18("8","5","6","7","5","8","1") = "7"
    & skf18("8","5","6","7","5","9","1") = "8"
    & skf18("8","5","6","7","5","10","1") = "9"
    & skf18("8","5","6","7","6","1","1") = "7"
    & skf18("8","5","6","7","6","2","1") = "7"
    & skf18("8","5","6","7","6","3","1") = "7"
    & skf18("8","5","6","7","6","4","1") = "7"
    & skf18("8","5","6","7","6","5","1") = "7"
    & skf18("8","5","6","7","6","6","1") = "7"
    & skf18("8","5","6","7","6","7","1") = "7"
    & skf18("8","5","6","7","6","8","1") = "7"
    & skf18("8","5","6","7","6","9","1") = "8"
    & skf18("8","5","6","7","6","10","1") = "9"
    & skf18("8","5","6","7","7","1","1") = "7"
    & skf18("8","5","6","7","7","2","1") = "7"
    & skf18("8","5","6","7","7","3","1") = "7"
    & skf18("8","5","6","7","7","4","1") = "7"
    & skf18("8","5","6","7","7","5","1") = "7"
    & skf18("8","5","6","7","7","6","1") = "7"
    & skf18("8","5","6","7","7","7","1") = "7"
    & skf18("8","5","6","7","7","8","1") = "7"
    & skf18("8","5","6","7","7","9","1") = "8"
    & skf18("8","5","6","7","7","10","1") = "9"
    & skf18("8","5","6","7","8","1","1") = "7"
    & skf18("8","5","6","7","8","2","1") = "7"
    & skf18("8","5","6","7","8","3","1") = "7"
    & skf18("8","5","6","7","8","4","1") = "7"
    & skf18("8","5","6","7","8","5","1") = "7"
    & skf18("8","5","6","7","8","6","1") = "7"
    & skf18("8","5","6","7","8","7","1") = "7"
    & skf18("8","5","6","7","8","8","1") = "7"
    & skf18("8","5","6","7","8","9","1") = "8"
    & skf18("8","5","6","7","8","10","1") = "9"
    & skf18("8","5","6","7","9","1","1") = "8"
    & skf18("8","5","6","7","9","2","1") = "8"
    & skf18("8","5","6","7","9","3","1") = "8"
    & skf18("8","5","6","7","9","4","1") = "8"
    & skf18("8","5","6","7","9","5","1") = "8"
    & skf18("8","5","6","7","9","6","1") = "8"
    & skf18("8","5","6","7","9","7","1") = "8"
    & skf18("8","5","6","7","9","8","1") = "8"
    & skf18("8","5","6","7","9","9","1") = "8"
    & skf18("8","5","6","7","9","10","1") = "9"
    & skf18("8","5","6","7","10","1","1") = "9"
    & skf18("8","5","6","7","10","2","1") = "9"
    & skf18("8","5","6","7","10","3","1") = "9"
    & skf18("8","5","6","7","10","4","1") = "9"
    & skf18("8","5","6","7","10","5","1") = "9"
    & skf18("8","5","6","7","10","6","1") = "9"
    & skf18("8","5","6","7","10","7","1") = "9"
    & skf18("8","5","6","7","10","8","1") = "9"
    & skf18("8","5","6","7","10","9","1") = "9"
    & skf18("8","5","6","7","10","10","1") = "9"
    & skf18("8","5","6","8","1","1","1") = "7"
    & skf18("8","5","6","8","1","2","1") = "7"
    & skf18("8","5","6","8","1","3","1") = "7"
    & skf18("8","5","6","8","1","4","1") = "7"
    & skf18("8","5","6","8","1","5","1") = "7"
    & skf18("8","5","6","8","1","6","1") = "7"
    & skf18("8","5","6","8","1","7","1") = "7"
    & skf18("8","5","6","8","1","8","1") = "7"
    & skf18("8","5","6","8","1","9","1") = "8"
    & skf18("8","5","6","8","1","10","1") = "9"
    & skf18("8","5","6","8","2","1","1") = "7"
    & skf18("8","5","6","8","2","2","1") = "7"
    & skf18("8","5","6","8","2","3","1") = "7"
    & skf18("8","5","6","8","2","4","1") = "7"
    & skf18("8","5","6","8","2","5","1") = "7"
    & skf18("8","5","6","8","2","6","1") = "7"
    & skf18("8","5","6","8","2","7","1") = "7"
    & skf18("8","5","6","8","2","8","1") = "7"
    & skf18("8","5","6","8","2","9","1") = "8"
    & skf18("8","5","6","8","2","10","1") = "9"
    & skf18("8","5","6","8","3","1","1") = "7"
    & skf18("8","5","6","8","3","2","1") = "7"
    & skf18("8","5","6","8","3","3","1") = "7"
    & skf18("8","5","6","8","3","4","1") = "7"
    & skf18("8","5","6","8","3","5","1") = "7"
    & skf18("8","5","6","8","3","6","1") = "7"
    & skf18("8","5","6","8","3","7","1") = "7"
    & skf18("8","5","6","8","3","8","1") = "7"
    & skf18("8","5","6","8","3","9","1") = "8"
    & skf18("8","5","6","8","3","10","1") = "9"
    & skf18("8","5","6","8","4","1","1") = "7"
    & skf18("8","5","6","8","4","2","1") = "7"
    & skf18("8","5","6","8","4","3","1") = "7"
    & skf18("8","5","6","8","4","4","1") = "7"
    & skf18("8","5","6","8","4","5","1") = "7"
    & skf18("8","5","6","8","4","6","1") = "7"
    & skf18("8","5","6","8","4","7","1") = "7"
    & skf18("8","5","6","8","4","8","1") = "7"
    & skf18("8","5","6","8","4","9","1") = "8"
    & skf18("8","5","6","8","4","10","1") = "9"
    & skf18("8","5","6","8","5","1","1") = "7"
    & skf18("8","5","6","8","5","2","1") = "7"
    & skf18("8","5","6","8","5","3","1") = "7"
    & skf18("8","5","6","8","5","4","1") = "7"
    & skf18("8","5","6","8","5","5","1") = "7"
    & skf18("8","5","6","8","5","6","1") = "7"
    & skf18("8","5","6","8","5","7","1") = "7"
    & skf18("8","5","6","8","5","8","1") = "7"
    & skf18("8","5","6","8","5","9","1") = "8"
    & skf18("8","5","6","8","5","10","1") = "9"
    & skf18("8","5","6","8","6","1","1") = "7"
    & skf18("8","5","6","8","6","2","1") = "7"
    & skf18("8","5","6","8","6","3","1") = "7"
    & skf18("8","5","6","8","6","4","1") = "7"
    & skf18("8","5","6","8","6","5","1") = "7"
    & skf18("8","5","6","8","6","6","1") = "7"
    & skf18("8","5","6","8","6","7","1") = "7"
    & skf18("8","5","6","8","6","8","1") = "7"
    & skf18("8","5","6","8","6","9","1") = "8"
    & skf18("8","5","6","8","6","10","1") = "9"
    & skf18("8","5","6","8","7","1","1") = "7"
    & skf18("8","5","6","8","7","2","1") = "7"
    & skf18("8","5","6","8","7","3","1") = "7"
    & skf18("8","5","6","8","7","4","1") = "7"
    & skf18("8","5","6","8","7","5","1") = "7"
    & skf18("8","5","6","8","7","6","1") = "7"
    & skf18("8","5","6","8","7","7","1") = "7"
    & skf18("8","5","6","8","7","8","1") = "7"
    & skf18("8","5","6","8","7","9","1") = "8"
    & skf18("8","5","6","8","7","10","1") = "9"
    & skf18("8","5","6","8","8","1","1") = "7"
    & skf18("8","5","6","8","8","2","1") = "7"
    & skf18("8","5","6","8","8","3","1") = "7"
    & skf18("8","5","6","8","8","4","1") = "7"
    & skf18("8","5","6","8","8","5","1") = "7"
    & skf18("8","5","6","8","8","6","1") = "7"
    & skf18("8","5","6","8","8","7","1") = "7"
    & skf18("8","5","6","8","8","8","1") = "7"
    & skf18("8","5","6","8","8","9","1") = "8"
    & skf18("8","5","6","8","8","10","1") = "9"
    & skf18("8","5","6","8","9","1","1") = "8"
    & skf18("8","5","6","8","9","2","1") = "8"
    & skf18("8","5","6","8","9","3","1") = "8"
    & skf18("8","5","6","8","9","4","1") = "8"
    & skf18("8","5","6","8","9","5","1") = "8"
    & skf18("8","5","6","8","9","6","1") = "8"
    & skf18("8","5","6","8","9","7","1") = "8"
    & skf18("8","5","6","8","9","8","1") = "8"
    & skf18("8","5","6","8","9","9","1") = "8"
    & skf18("8","5","6","8","9","10","1") = "9"
    & skf18("8","5","6","8","10","1","1") = "9"
    & skf18("8","5","6","8","10","2","1") = "9"
    & skf18("8","5","6","8","10","3","1") = "9"
    & skf18("8","5","6","8","10","4","1") = "9"
    & skf18("8","5","6","8","10","5","1") = "9"
    & skf18("8","5","6","8","10","6","1") = "9"
    & skf18("8","5","6","8","10","7","1") = "9"
    & skf18("8","5","6","8","10","8","1") = "9"
    & skf18("8","5","6","8","10","9","1") = "9"
    & skf18("8","5","6","8","10","10","1") = "9"
    & skf18("8","5","6","9","1","1","1") = "8"
    & skf18("8","5","6","9","1","2","1") = "8"
    & skf18("8","5","6","9","1","3","1") = "8"
    & skf18("8","5","6","9","1","4","1") = "8"
    & skf18("8","5","6","9","1","5","1") = "8"
    & skf18("8","5","6","9","1","6","1") = "8"
    & skf18("8","5","6","9","1","7","1") = "8"
    & skf18("8","5","6","9","1","8","1") = "8"
    & skf18("8","5","6","9","1","9","1") = "8"
    & skf18("8","5","6","9","1","10","1") = "9"
    & skf18("8","5","6","9","2","1","1") = "8"
    & skf18("8","5","6","9","2","2","1") = "8"
    & skf18("8","5","6","9","2","3","1") = "8"
    & skf18("8","5","6","9","2","4","1") = "8"
    & skf18("8","5","6","9","2","5","1") = "8"
    & skf18("8","5","6","9","2","6","1") = "8"
    & skf18("8","5","6","9","2","7","1") = "8"
    & skf18("8","5","6","9","2","8","1") = "8"
    & skf18("8","5","6","9","2","9","1") = "8"
    & skf18("8","5","6","9","2","10","1") = "9"
    & skf18("8","5","6","9","3","1","1") = "8"
    & skf18("8","5","6","9","3","2","1") = "8"
    & skf18("8","5","6","9","3","3","1") = "8"
    & skf18("8","5","6","9","3","4","1") = "8"
    & skf18("8","5","6","9","3","5","1") = "8"
    & skf18("8","5","6","9","3","6","1") = "8"
    & skf18("8","5","6","9","3","7","1") = "8"
    & skf18("8","5","6","9","3","8","1") = "8"
    & skf18("8","5","6","9","3","9","1") = "8"
    & skf18("8","5","6","9","3","10","1") = "9"
    & skf18("8","5","6","9","4","1","1") = "8"
    & skf18("8","5","6","9","4","2","1") = "8"
    & skf18("8","5","6","9","4","3","1") = "8"
    & skf18("8","5","6","9","4","4","1") = "8"
    & skf18("8","5","6","9","4","5","1") = "8"
    & skf18("8","5","6","9","4","6","1") = "8"
    & skf18("8","5","6","9","4","7","1") = "8"
    & skf18("8","5","6","9","4","8","1") = "8"
    & skf18("8","5","6","9","4","9","1") = "8"
    & skf18("8","5","6","9","4","10","1") = "9"
    & skf18("8","5","6","9","5","1","1") = "8"
    & skf18("8","5","6","9","5","2","1") = "8"
    & skf18("8","5","6","9","5","3","1") = "8"
    & skf18("8","5","6","9","5","4","1") = "8"
    & skf18("8","5","6","9","5","5","1") = "8"
    & skf18("8","5","6","9","5","6","1") = "8"
    & skf18("8","5","6","9","5","7","1") = "8"
    & skf18("8","5","6","9","5","8","1") = "8"
    & skf18("8","5","6","9","5","9","1") = "8"
    & skf18("8","5","6","9","5","10","1") = "9"
    & skf18("8","5","6","9","6","1","1") = "8"
    & skf18("8","5","6","9","6","2","1") = "8"
    & skf18("8","5","6","9","6","3","1") = "8"
    & skf18("8","5","6","9","6","4","1") = "8"
    & skf18("8","5","6","9","6","5","1") = "8"
    & skf18("8","5","6","9","6","6","1") = "8"
    & skf18("8","5","6","9","6","7","1") = "8"
    & skf18("8","5","6","9","6","8","1") = "8"
    & skf18("8","5","6","9","6","9","1") = "8"
    & skf18("8","5","6","9","6","10","1") = "9"
    & skf18("8","5","6","9","7","1","1") = "8"
    & skf18("8","5","6","9","7","2","1") = "8"
    & skf18("8","5","6","9","7","3","1") = "8"
    & skf18("8","5","6","9","7","4","1") = "8"
    & skf18("8","5","6","9","7","5","1") = "8"
    & skf18("8","5","6","9","7","6","1") = "8"
    & skf18("8","5","6","9","7","7","1") = "8"
    & skf18("8","5","6","9","7","8","1") = "8"
    & skf18("8","5","6","9","7","9","1") = "8"
    & skf18("8","5","6","9","7","10","1") = "9"
    & skf18("8","5","6","9","8","1","1") = "8"
    & skf18("8","5","6","9","8","2","1") = "8"
    & skf18("8","5","6","9","8","3","1") = "8"
    & skf18("8","5","6","9","8","4","1") = "8"
    & skf18("8","5","6","9","8","5","1") = "8"
    & skf18("8","5","6","9","8","6","1") = "8"
    & skf18("8","5","6","9","8","7","1") = "8"
    & skf18("8","5","6","9","8","8","1") = "8"
    & skf18("8","5","6","9","8","9","1") = "8"
    & skf18("8","5","6","9","8","10","1") = "9"
    & skf18("8","5","6","9","9","1","1") = "8"
    & skf18("8","5","6","9","9","2","1") = "8"
    & skf18("8","5","6","9","9","3","1") = "8"
    & skf18("8","5","6","9","9","4","1") = "8"
    & skf18("8","5","6","9","9","5","1") = "8"
    & skf18("8","5","6","9","9","6","1") = "8"
    & skf18("8","5","6","9","9","7","1") = "8"
    & skf18("8","5","6","9","9","8","1") = "8"
    & skf18("8","5","6","9","9","9","1") = "8"
    & skf18("8","5","6","9","9","10","1") = "9"
    & skf18("8","5","6","9","10","1","1") = "9"
    & skf18("8","5","6","9","10","2","1") = "9"
    & skf18("8","5","6","9","10","3","1") = "9"
    & skf18("8","5","6","9","10","4","1") = "9"
    & skf18("8","5","6","9","10","5","1") = "9"
    & skf18("8","5","6","9","10","6","1") = "9"
    & skf18("8","5","6","9","10","7","1") = "9"
    & skf18("8","5","6","9","10","8","1") = "9"
    & skf18("8","5","6","9","10","9","1") = "9"
    & skf18("8","5","6","9","10","10","1") = "9"
    & skf18("8","5","6","10","1","1","1") = "9"
    & skf18("8","5","6","10","1","2","1") = "9"
    & skf18("8","5","6","10","1","3","1") = "9"
    & skf18("8","5","6","10","1","4","1") = "9"
    & skf18("8","5","6","10","1","5","1") = "9"
    & skf18("8","5","6","10","1","6","1") = "9"
    & skf18("8","5","6","10","1","7","1") = "9"
    & skf18("8","5","6","10","1","8","1") = "9"
    & skf18("8","5","6","10","1","9","1") = "9"
    & skf18("8","5","6","10","1","10","1") = "9"
    & skf18("8","5","6","10","2","1","1") = "9"
    & skf18("8","5","6","10","2","2","1") = "9"
    & skf18("8","5","6","10","2","3","1") = "9"
    & skf18("8","5","6","10","2","4","1") = "9"
    & skf18("8","5","6","10","2","5","1") = "9"
    & skf18("8","5","6","10","2","6","1") = "9"
    & skf18("8","5","6","10","2","7","1") = "9"
    & skf18("8","5","6","10","2","8","1") = "9"
    & skf18("8","5","6","10","2","9","1") = "9"
    & skf18("8","5","6","10","2","10","1") = "9"
    & skf18("8","5","6","10","3","1","1") = "9"
    & skf18("8","5","6","10","3","2","1") = "9"
    & skf18("8","5","6","10","3","3","1") = "9"
    & skf18("8","5","6","10","3","4","1") = "9"
    & skf18("8","5","6","10","3","5","1") = "9"
    & skf18("8","5","6","10","3","6","1") = "9"
    & skf18("8","5","6","10","3","7","1") = "9"
    & skf18("8","5","6","10","3","8","1") = "9"
    & skf18("8","5","6","10","3","9","1") = "9"
    & skf18("8","5","6","10","3","10","1") = "9"
    & skf18("8","5","6","10","4","1","1") = "9"
    & skf18("8","5","6","10","4","2","1") = "9"
    & skf18("8","5","6","10","4","3","1") = "9"
    & skf18("8","5","6","10","4","4","1") = "9"
    & skf18("8","5","6","10","4","5","1") = "9"
    & skf18("8","5","6","10","4","6","1") = "9"
    & skf18("8","5","6","10","4","7","1") = "9"
    & skf18("8","5","6","10","4","8","1") = "9"
    & skf18("8","5","6","10","4","9","1") = "9"
    & skf18("8","5","6","10","4","10","1") = "9"
    & skf18("8","5","6","10","5","1","1") = "9"
    & skf18("8","5","6","10","5","2","1") = "9"
    & skf18("8","5","6","10","5","3","1") = "9"
    & skf18("8","5","6","10","5","4","1") = "9"
    & skf18("8","5","6","10","5","5","1") = "9"
    & skf18("8","5","6","10","5","6","1") = "9"
    & skf18("8","5","6","10","5","7","1") = "9"
    & skf18("8","5","6","10","5","8","1") = "9"
    & skf18("8","5","6","10","5","9","1") = "9"
    & skf18("8","5","6","10","5","10","1") = "9"
    & skf18("8","5","6","10","6","1","1") = "9"
    & skf18("8","5","6","10","6","2","1") = "9"
    & skf18("8","5","6","10","6","3","1") = "9"
    & skf18("8","5","6","10","6","4","1") = "9"
    & skf18("8","5","6","10","6","5","1") = "9"
    & skf18("8","5","6","10","6","6","1") = "9"
    & skf18("8","5","6","10","6","7","1") = "9"
    & skf18("8","5","6","10","6","8","1") = "9"
    & skf18("8","5","6","10","6","9","1") = "9"
    & skf18("8","5","6","10","6","10","1") = "9"
    & skf18("8","5","6","10","7","1","1") = "9"
    & skf18("8","5","6","10","7","2","1") = "9"
    & skf18("8","5","6","10","7","3","1") = "9"
    & skf18("8","5","6","10","7","4","1") = "9"
    & skf18("8","5","6","10","7","5","1") = "9"
    & skf18("8","5","6","10","7","6","1") = "9"
    & skf18("8","5","6","10","7","7","1") = "9"
    & skf18("8","5","6","10","7","8","1") = "9"
    & skf18("8","5","6","10","7","9","1") = "9"
    & skf18("8","5","6","10","7","10","1") = "9"
    & skf18("8","5","6","10","8","1","1") = "9"
    & skf18("8","5","6","10","8","2","1") = "9"
    & skf18("8","5","6","10","8","3","1") = "9"
    & skf18("8","5","6","10","8","4","1") = "9"
    & skf18("8","5","6","10","8","5","1") = "9"
    & skf18("8","5","6","10","8","6","1") = "9"
    & skf18("8","5","6","10","8","7","1") = "9"
    & skf18("8","5","6","10","8","8","1") = "9"
    & skf18("8","5","6","10","8","9","1") = "9"
    & skf18("8","5","6","10","8","10","1") = "9"
    & skf18("8","5","6","10","9","1","1") = "9"
    & skf18("8","5","6","10","9","2","1") = "9"
    & skf18("8","5","6","10","9","3","1") = "9"
    & skf18("8","5","6","10","9","4","1") = "9"
    & skf18("8","5","6","10","9","5","1") = "9"
    & skf18("8","5","6","10","9","6","1") = "9"
    & skf18("8","5","6","10","9","7","1") = "9"
    & skf18("8","5","6","10","9","8","1") = "9"
    & skf18("8","5","6","10","9","9","1") = "9"
    & skf18("8","5","6","10","9","10","1") = "9"
    & skf18("8","5","6","10","10","1","1") = "9"
    & skf18("8","5","6","10","10","2","1") = "9"
    & skf18("8","5","6","10","10","3","1") = "9"
    & skf18("8","5","6","10","10","4","1") = "9"
    & skf18("8","5","6","10","10","5","1") = "9"
    & skf18("8","5","6","10","10","6","1") = "9"
    & skf18("8","5","6","10","10","7","1") = "9"
    & skf18("8","5","6","10","10","8","1") = "9"
    & skf18("8","5","6","10","10","9","1") = "9"
    & skf18("8","5","6","10","10","10","1") = "9"
    & skf18("8","5","7","1","1","1","1") = "7"
    & skf18("8","5","7","1","1","2","1") = "7"
    & skf18("8","5","7","1","1","3","1") = "7"
    & skf18("8","5","7","1","1","4","1") = "7"
    & skf18("8","5","7","1","1","5","1") = "7"
    & skf18("8","5","7","1","1","6","1") = "7"
    & skf18("8","5","7","1","1","7","1") = "7"
    & skf18("8","5","7","1","1","8","1") = "7"
    & skf18("8","5","7","1","1","9","1") = "8"
    & skf18("8","5","7","1","1","10","1") = "9"
    & skf18("8","5","7","1","2","1","1") = "7"
    & skf18("8","5","7","1","2","2","1") = "7"
    & skf18("8","5","7","1","2","3","1") = "7"
    & skf18("8","5","7","1","2","4","1") = "7"
    & skf18("8","5","7","1","2","5","1") = "7"
    & skf18("8","5","7","1","2","6","1") = "7"
    & skf18("8","5","7","1","2","7","1") = "7"
    & skf18("8","5","7","1","2","8","1") = "7"
    & skf18("8","5","7","1","2","9","1") = "8"
    & skf18("8","5","7","1","2","10","1") = "9"
    & skf18("8","5","7","1","3","1","1") = "7"
    & skf18("8","5","7","1","3","2","1") = "7"
    & skf18("8","5","7","1","3","3","1") = "7"
    & skf18("8","5","7","1","3","4","1") = "7"
    & skf18("8","5","7","1","3","5","1") = "7"
    & skf18("8","5","7","1","3","6","1") = "7"
    & skf18("8","5","7","1","3","7","1") = "7"
    & skf18("8","5","7","1","3","8","1") = "7"
    & skf18("8","5","7","1","3","9","1") = "8"
    & skf18("8","5","7","1","3","10","1") = "9"
    & skf18("8","5","7","1","4","1","1") = "7"
    & skf18("8","5","7","1","4","2","1") = "7"
    & skf18("8","5","7","1","4","3","1") = "7"
    & skf18("8","5","7","1","4","4","1") = "7"
    & skf18("8","5","7","1","4","5","1") = "7"
    & skf18("8","5","7","1","4","6","1") = "7"
    & skf18("8","5","7","1","4","7","1") = "7"
    & skf18("8","5","7","1","4","8","1") = "7"
    & skf18("8","5","7","1","4","9","1") = "8"
    & skf18("8","5","7","1","4","10","1") = "9"
    & skf18("8","5","7","1","5","1","1") = "7"
    & skf18("8","5","7","1","5","2","1") = "7"
    & skf18("8","5","7","1","5","3","1") = "7"
    & skf18("8","5","7","1","5","4","1") = "7"
    & skf18("8","5","7","1","5","5","1") = "7"
    & skf18("8","5","7","1","5","6","1") = "7"
    & skf18("8","5","7","1","5","7","1") = "7"
    & skf18("8","5","7","1","5","8","1") = "7"
    & skf18("8","5","7","1","5","9","1") = "8"
    & skf18("8","5","7","1","5","10","1") = "9"
    & skf18("8","5","7","1","6","1","1") = "7"
    & skf18("8","5","7","1","6","2","1") = "7"
    & skf18("8","5","7","1","6","3","1") = "7"
    & skf18("8","5","7","1","6","4","1") = "7"
    & skf18("8","5","7","1","6","5","1") = "7"
    & skf18("8","5","7","1","6","6","1") = "7"
    & skf18("8","5","7","1","6","7","1") = "7"
    & skf18("8","5","7","1","6","8","1") = "7"
    & skf18("8","5","7","1","6","9","1") = "8"
    & skf18("8","5","7","1","6","10","1") = "9"
    & skf18("8","5","7","1","7","1","1") = "7"
    & skf18("8","5","7","1","7","2","1") = "7"
    & skf18("8","5","7","1","7","3","1") = "7"
    & skf18("8","5","7","1","7","4","1") = "7"
    & skf18("8","5","7","1","7","5","1") = "7"
    & skf18("8","5","7","1","7","6","1") = "7"
    & skf18("8","5","7","1","7","7","1") = "7"
    & skf18("8","5","7","1","7","8","1") = "7"
    & skf18("8","5","7","1","7","9","1") = "8"
    & skf18("8","5","7","1","7","10","1") = "9"
    & skf18("8","5","7","1","8","1","1") = "7"
    & skf18("8","5","7","1","8","2","1") = "7"
    & skf18("8","5","7","1","8","3","1") = "7"
    & skf18("8","5","7","1","8","4","1") = "7"
    & skf18("8","5","7","1","8","5","1") = "7"
    & skf18("8","5","7","1","8","6","1") = "7"
    & skf18("8","5","7","1","8","7","1") = "7"
    & skf18("8","5","7","1","8","8","1") = "7"
    & skf18("8","5","7","1","8","9","1") = "8"
    & skf18("8","5","7","1","8","10","1") = "9"
    & skf18("8","5","7","1","9","1","1") = "8"
    & skf18("8","5","7","1","9","2","1") = "8"
    & skf18("8","5","7","1","9","3","1") = "8"
    & skf18("8","5","7","1","9","4","1") = "8"
    & skf18("8","5","7","1","9","5","1") = "8"
    & skf18("8","5","7","1","9","6","1") = "8"
    & skf18("8","5","7","1","9","7","1") = "8"
    & skf18("8","5","7","1","9","8","1") = "8"
    & skf18("8","5","7","1","9","9","1") = "8"
    & skf18("8","5","7","1","9","10","1") = "9"
    & skf18("8","5","7","1","10","1","1") = "9"
    & skf18("8","5","7","1","10","2","1") = "9"
    & skf18("8","5","7","1","10","3","1") = "9"
    & skf18("8","5","7","1","10","4","1") = "9"
    & skf18("8","5","7","1","10","5","1") = "9"
    & skf18("8","5","7","1","10","6","1") = "9"
    & skf18("8","5","7","1","10","7","1") = "9"
    & skf18("8","5","7","1","10","8","1") = "9"
    & skf18("8","5","7","1","10","9","1") = "9"
    & skf18("8","5","7","1","10","10","1") = "9"
    & skf18("8","5","7","2","1","1","1") = "7"
    & skf18("8","5","7","2","1","2","1") = "7"
    & skf18("8","5","7","2","1","3","1") = "7"
    & skf18("8","5","7","2","1","4","1") = "7"
    & skf18("8","5","7","2","1","5","1") = "7"
    & skf18("8","5","7","2","1","6","1") = "7"
    & skf18("8","5","7","2","1","7","1") = "7"
    & skf18("8","5","7","2","1","8","1") = "7"
    & skf18("8","5","7","2","1","9","1") = "8"
    & skf18("8","5","7","2","1","10","1") = "9"
    & skf18("8","5","7","2","2","1","1") = "7"
    & skf18("8","5","7","2","2","2","1") = "7"
    & skf18("8","5","7","2","2","3","1") = "7"
    & skf18("8","5","7","2","2","4","1") = "7"
    & skf18("8","5","7","2","2","5","1") = "7"
    & skf18("8","5","7","2","2","6","1") = "7"
    & skf18("8","5","7","2","2","7","1") = "7"
    & skf18("8","5","7","2","2","8","1") = "7"
    & skf18("8","5","7","2","2","9","1") = "8"
    & skf18("8","5","7","2","2","10","1") = "9"
    & skf18("8","5","7","2","3","1","1") = "7"
    & skf18("8","5","7","2","3","2","1") = "7"
    & skf18("8","5","7","2","3","3","1") = "7"
    & skf18("8","5","7","2","3","4","1") = "7"
    & skf18("8","5","7","2","3","5","1") = "7"
    & skf18("8","5","7","2","3","6","1") = "7"
    & skf18("8","5","7","2","3","7","1") = "7"
    & skf18("8","5","7","2","3","8","1") = "7"
    & skf18("8","5","7","2","3","9","1") = "8"
    & skf18("8","5","7","2","3","10","1") = "9"
    & skf18("8","5","7","2","4","1","1") = "7"
    & skf18("8","5","7","2","4","2","1") = "7"
    & skf18("8","5","7","2","4","3","1") = "7"
    & skf18("8","5","7","2","4","4","1") = "7"
    & skf18("8","5","7","2","4","5","1") = "7"
    & skf18("8","5","7","2","4","6","1") = "7"
    & skf18("8","5","7","2","4","7","1") = "7"
    & skf18("8","5","7","2","4","8","1") = "7"
    & skf18("8","5","7","2","4","9","1") = "8"
    & skf18("8","5","7","2","4","10","1") = "9"
    & skf18("8","5","7","2","5","1","1") = "7"
    & skf18("8","5","7","2","5","2","1") = "7"
    & skf18("8","5","7","2","5","3","1") = "7"
    & skf18("8","5","7","2","5","4","1") = "7"
    & skf18("8","5","7","2","5","5","1") = "7"
    & skf18("8","5","7","2","5","6","1") = "7"
    & skf18("8","5","7","2","5","7","1") = "7"
    & skf18("8","5","7","2","5","8","1") = "7"
    & skf18("8","5","7","2","5","9","1") = "8"
    & skf18("8","5","7","2","5","10","1") = "9"
    & skf18("8","5","7","2","6","1","1") = "7"
    & skf18("8","5","7","2","6","2","1") = "7"
    & skf18("8","5","7","2","6","3","1") = "7"
    & skf18("8","5","7","2","6","4","1") = "7"
    & skf18("8","5","7","2","6","5","1") = "7"
    & skf18("8","5","7","2","6","6","1") = "7"
    & skf18("8","5","7","2","6","7","1") = "7"
    & skf18("8","5","7","2","6","8","1") = "7"
    & skf18("8","5","7","2","6","9","1") = "8"
    & skf18("8","5","7","2","6","10","1") = "9"
    & skf18("8","5","7","2","7","1","1") = "7"
    & skf18("8","5","7","2","7","2","1") = "7"
    & skf18("8","5","7","2","7","3","1") = "7"
    & skf18("8","5","7","2","7","4","1") = "7"
    & skf18("8","5","7","2","7","5","1") = "7"
    & skf18("8","5","7","2","7","6","1") = "7"
    & skf18("8","5","7","2","7","7","1") = "7"
    & skf18("8","5","7","2","7","8","1") = "7"
    & skf18("8","5","7","2","7","9","1") = "8"
    & skf18("8","5","7","2","7","10","1") = "9"
    & skf18("8","5","7","2","8","1","1") = "7"
    & skf18("8","5","7","2","8","2","1") = "7"
    & skf18("8","5","7","2","8","3","1") = "7"
    & skf18("8","5","7","2","8","4","1") = "7"
    & skf18("8","5","7","2","8","5","1") = "7"
    & skf18("8","5","7","2","8","6","1") = "7"
    & skf18("8","5","7","2","8","7","1") = "7"
    & skf18("8","5","7","2","8","8","1") = "7"
    & skf18("8","5","7","2","8","9","1") = "8"
    & skf18("8","5","7","2","8","10","1") = "9"
    & skf18("8","5","7","2","9","1","1") = "8"
    & skf18("8","5","7","2","9","2","1") = "8"
    & skf18("8","5","7","2","9","3","1") = "8"
    & skf18("8","5","7","2","9","4","1") = "8"
    & skf18("8","5","7","2","9","5","1") = "8"
    & skf18("8","5","7","2","9","6","1") = "8"
    & skf18("8","5","7","2","9","7","1") = "8"
    & skf18("8","5","7","2","9","8","1") = "8"
    & skf18("8","5","7","2","9","9","1") = "8"
    & skf18("8","5","7","2","9","10","1") = "9"
    & skf18("8","5","7","2","10","1","1") = "9"
    & skf18("8","5","7","2","10","2","1") = "9"
    & skf18("8","5","7","2","10","3","1") = "9"
    & skf18("8","5","7","2","10","4","1") = "9"
    & skf18("8","5","7","2","10","5","1") = "9"
    & skf18("8","5","7","2","10","6","1") = "9"
    & skf18("8","5","7","2","10","7","1") = "9"
    & skf18("8","5","7","2","10","8","1") = "9"
    & skf18("8","5","7","2","10","9","1") = "9"
    & skf18("8","5","7","2","10","10","1") = "9"
    & skf18("8","5","7","3","1","1","1") = "7"
    & skf18("8","5","7","3","1","2","1") = "7"
    & skf18("8","5","7","3","1","3","1") = "7"
    & skf18("8","5","7","3","1","4","1") = "7"
    & skf18("8","5","7","3","1","5","1") = "7"
    & skf18("8","5","7","3","1","6","1") = "7"
    & skf18("8","5","7","3","1","7","1") = "7"
    & skf18("8","5","7","3","1","8","1") = "7"
    & skf18("8","5","7","3","1","9","1") = "8"
    & skf18("8","5","7","3","1","10","1") = "9"
    & skf18("8","5","7","3","2","1","1") = "7"
    & skf18("8","5","7","3","2","2","1") = "7"
    & skf18("8","5","7","3","2","3","1") = "7"
    & skf18("8","5","7","3","2","4","1") = "7"
    & skf18("8","5","7","3","2","5","1") = "7"
    & skf18("8","5","7","3","2","6","1") = "7"
    & skf18("8","5","7","3","2","7","1") = "7"
    & skf18("8","5","7","3","2","8","1") = "7"
    & skf18("8","5","7","3","2","9","1") = "8"
    & skf18("8","5","7","3","2","10","1") = "9"
    & skf18("8","5","7","3","3","1","1") = "7"
    & skf18("8","5","7","3","3","2","1") = "7"
    & skf18("8","5","7","3","3","3","1") = "7"
    & skf18("8","5","7","3","3","4","1") = "7"
    & skf18("8","5","7","3","3","5","1") = "7"
    & skf18("8","5","7","3","3","6","1") = "7"
    & skf18("8","5","7","3","3","7","1") = "7"
    & skf18("8","5","7","3","3","8","1") = "7"
    & skf18("8","5","7","3","3","9","1") = "8"
    & skf18("8","5","7","3","3","10","1") = "9"
    & skf18("8","5","7","3","4","1","1") = "7"
    & skf18("8","5","7","3","4","2","1") = "7"
    & skf18("8","5","7","3","4","3","1") = "7"
    & skf18("8","5","7","3","4","4","1") = "7"
    & skf18("8","5","7","3","4","5","1") = "7"
    & skf18("8","5","7","3","4","6","1") = "7"
    & skf18("8","5","7","3","4","7","1") = "7"
    & skf18("8","5","7","3","4","8","1") = "7"
    & skf18("8","5","7","3","4","9","1") = "8"
    & skf18("8","5","7","3","4","10","1") = "9"
    & skf18("8","5","7","3","5","1","1") = "7"
    & skf18("8","5","7","3","5","2","1") = "7"
    & skf18("8","5","7","3","5","3","1") = "7"
    & skf18("8","5","7","3","5","4","1") = "7"
    & skf18("8","5","7","3","5","5","1") = "7"
    & skf18("8","5","7","3","5","6","1") = "7"
    & skf18("8","5","7","3","5","7","1") = "7"
    & skf18("8","5","7","3","5","8","1") = "7"
    & skf18("8","5","7","3","5","9","1") = "8"
    & skf18("8","5","7","3","5","10","1") = "9"
    & skf18("8","5","7","3","6","1","1") = "7"
    & skf18("8","5","7","3","6","2","1") = "7"
    & skf18("8","5","7","3","6","3","1") = "7"
    & skf18("8","5","7","3","6","4","1") = "7"
    & skf18("8","5","7","3","6","5","1") = "7"
    & skf18("8","5","7","3","6","6","1") = "7"
    & skf18("8","5","7","3","6","7","1") = "7"
    & skf18("8","5","7","3","6","8","1") = "7"
    & skf18("8","5","7","3","6","9","1") = "8"
    & skf18("8","5","7","3","6","10","1") = "9"
    & skf18("8","5","7","3","7","1","1") = "7"
    & skf18("8","5","7","3","7","2","1") = "7"
    & skf18("8","5","7","3","7","3","1") = "7"
    & skf18("8","5","7","3","7","4","1") = "7"
    & skf18("8","5","7","3","7","5","1") = "7"
    & skf18("8","5","7","3","7","6","1") = "7"
    & skf18("8","5","7","3","7","7","1") = "7"
    & skf18("8","5","7","3","7","8","1") = "7"
    & skf18("8","5","7","3","7","9","1") = "8"
    & skf18("8","5","7","3","7","10","1") = "9"
    & skf18("8","5","7","3","8","1","1") = "7"
    & skf18("8","5","7","3","8","2","1") = "7"
    & skf18("8","5","7","3","8","3","1") = "7"
    & skf18("8","5","7","3","8","4","1") = "7"
    & skf18("8","5","7","3","8","5","1") = "7"
    & skf18("8","5","7","3","8","6","1") = "7"
    & skf18("8","5","7","3","8","7","1") = "7"
    & skf18("8","5","7","3","8","8","1") = "7"
    & skf18("8","5","7","3","8","9","1") = "8"
    & skf18("8","5","7","3","8","10","1") = "9"
    & skf18("8","5","7","3","9","1","1") = "8"
    & skf18("8","5","7","3","9","2","1") = "8"
    & skf18("8","5","7","3","9","3","1") = "8"
    & skf18("8","5","7","3","9","4","1") = "8"
    & skf18("8","5","7","3","9","5","1") = "8"
    & skf18("8","5","7","3","9","6","1") = "8"
    & skf18("8","5","7","3","9","7","1") = "8"
    & skf18("8","5","7","3","9","8","1") = "8"
    & skf18("8","5","7","3","9","9","1") = "8"
    & skf18("8","5","7","3","9","10","1") = "9"
    & skf18("8","5","7","3","10","1","1") = "9"
    & skf18("8","5","7","3","10","2","1") = "9"
    & skf18("8","5","7","3","10","3","1") = "9"
    & skf18("8","5","7","3","10","4","1") = "9"
    & skf18("8","5","7","3","10","5","1") = "9"
    & skf18("8","5","7","3","10","6","1") = "9"
    & skf18("8","5","7","3","10","7","1") = "9"
    & skf18("8","5","7","3","10","8","1") = "9"
    & skf18("8","5","7","3","10","9","1") = "9"
    & skf18("8","5","7","3","10","10","1") = "9"
    & skf18("8","5","7","4","1","1","1") = "7"
    & skf18("8","5","7","4","1","2","1") = "7"
    & skf18("8","5","7","4","1","3","1") = "7"
    & skf18("8","5","7","4","1","4","1") = "7"
    & skf18("8","5","7","4","1","5","1") = "7"
    & skf18("8","5","7","4","1","6","1") = "7"
    & skf18("8","5","7","4","1","7","1") = "7"
    & skf18("8","5","7","4","1","8","1") = "7"
    & skf18("8","5","7","4","1","9","1") = "8"
    & skf18("8","5","7","4","1","10","1") = "9"
    & skf18("8","5","7","4","2","1","1") = "7"
    & skf18("8","5","7","4","2","2","1") = "7"
    & skf18("8","5","7","4","2","3","1") = "7"
    & skf18("8","5","7","4","2","4","1") = "7"
    & skf18("8","5","7","4","2","5","1") = "7"
    & skf18("8","5","7","4","2","6","1") = "7"
    & skf18("8","5","7","4","2","7","1") = "7"
    & skf18("8","5","7","4","2","8","1") = "7"
    & skf18("8","5","7","4","2","9","1") = "8"
    & skf18("8","5","7","4","2","10","1") = "9"
    & skf18("8","5","7","4","3","1","1") = "7"
    & skf18("8","5","7","4","3","2","1") = "7"
    & skf18("8","5","7","4","3","3","1") = "7"
    & skf18("8","5","7","4","3","4","1") = "7"
    & skf18("8","5","7","4","3","5","1") = "7"
    & skf18("8","5","7","4","3","6","1") = "7"
    & skf18("8","5","7","4","3","7","1") = "7"
    & skf18("8","5","7","4","3","8","1") = "7"
    & skf18("8","5","7","4","3","9","1") = "8"
    & skf18("8","5","7","4","3","10","1") = "9"
    & skf18("8","5","7","4","4","1","1") = "7"
    & skf18("8","5","7","4","4","2","1") = "7"
    & skf18("8","5","7","4","4","3","1") = "7"
    & skf18("8","5","7","4","4","4","1") = "7"
    & skf18("8","5","7","4","4","5","1") = "7"
    & skf18("8","5","7","4","4","6","1") = "7"
    & skf18("8","5","7","4","4","7","1") = "7"
    & skf18("8","5","7","4","4","8","1") = "7"
    & skf18("8","5","7","4","4","9","1") = "8"
    & skf18("8","5","7","4","4","10","1") = "9"
    & skf18("8","5","7","4","5","1","1") = "7"
    & skf18("8","5","7","4","5","2","1") = "7"
    & skf18("8","5","7","4","5","3","1") = "7"
    & skf18("8","5","7","4","5","4","1") = "7"
    & skf18("8","5","7","4","5","5","1") = "7"
    & skf18("8","5","7","4","5","6","1") = "7"
    & skf18("8","5","7","4","5","7","1") = "7"
    & skf18("8","5","7","4","5","8","1") = "7"
    & skf18("8","5","7","4","5","9","1") = "8"
    & skf18("8","5","7","4","5","10","1") = "9"
    & skf18("8","5","7","4","6","1","1") = "7"
    & skf18("8","5","7","4","6","2","1") = "7"
    & skf18("8","5","7","4","6","3","1") = "7"
    & skf18("8","5","7","4","6","4","1") = "7"
    & skf18("8","5","7","4","6","5","1") = "7"
    & skf18("8","5","7","4","6","6","1") = "7"
    & skf18("8","5","7","4","6","7","1") = "7"
    & skf18("8","5","7","4","6","8","1") = "7"
    & skf18("8","5","7","4","6","9","1") = "8"
    & skf18("8","5","7","4","6","10","1") = "9"
    & skf18("8","5","7","4","7","1","1") = "7"
    & skf18("8","5","7","4","7","2","1") = "7"
    & skf18("8","5","7","4","7","3","1") = "7"
    & skf18("8","5","7","4","7","4","1") = "7"
    & skf18("8","5","7","4","7","5","1") = "7"
    & skf18("8","5","7","4","7","6","1") = "7"
    & skf18("8","5","7","4","7","7","1") = "7"
    & skf18("8","5","7","4","7","8","1") = "7"
    & skf18("8","5","7","4","7","9","1") = "8"
    & skf18("8","5","7","4","7","10","1") = "9"
    & skf18("8","5","7","4","8","1","1") = "7"
    & skf18("8","5","7","4","8","2","1") = "7"
    & skf18("8","5","7","4","8","3","1") = "7"
    & skf18("8","5","7","4","8","4","1") = "7"
    & skf18("8","5","7","4","8","5","1") = "7"
    & skf18("8","5","7","4","8","6","1") = "7"
    & skf18("8","5","7","4","8","7","1") = "7"
    & skf18("8","5","7","4","8","8","1") = "7"
    & skf18("8","5","7","4","8","9","1") = "8"
    & skf18("8","5","7","4","8","10","1") = "9"
    & skf18("8","5","7","4","9","1","1") = "8"
    & skf18("8","5","7","4","9","2","1") = "8"
    & skf18("8","5","7","4","9","3","1") = "8"
    & skf18("8","5","7","4","9","4","1") = "8"
    & skf18("8","5","7","4","9","5","1") = "8"
    & skf18("8","5","7","4","9","6","1") = "8"
    & skf18("8","5","7","4","9","7","1") = "8"
    & skf18("8","5","7","4","9","8","1") = "8"
    & skf18("8","5","7","4","9","9","1") = "8"
    & skf18("8","5","7","4","9","10","1") = "9"
    & skf18("8","5","7","4","10","1","1") = "9"
    & skf18("8","5","7","4","10","2","1") = "9"
    & skf18("8","5","7","4","10","3","1") = "9"
    & skf18("8","5","7","4","10","4","1") = "9"
    & skf18("8","5","7","4","10","5","1") = "9"
    & skf18("8","5","7","4","10","6","1") = "9"
    & skf18("8","5","7","4","10","7","1") = "9"
    & skf18("8","5","7","4","10","8","1") = "9"
    & skf18("8","5","7","4","10","9","1") = "9"
    & skf18("8","5","7","4","10","10","1") = "9"
    & skf18("8","5","7","5","1","1","1") = "7"
    & skf18("8","5","7","5","1","2","1") = "7"
    & skf18("8","5","7","5","1","3","1") = "7"
    & skf18("8","5","7","5","1","4","1") = "7"
    & skf18("8","5","7","5","1","5","1") = "7"
    & skf18("8","5","7","5","1","6","1") = "7"
    & skf18("8","5","7","5","1","7","1") = "7"
    & skf18("8","5","7","5","1","8","1") = "7"
    & skf18("8","5","7","5","1","9","1") = "8"
    & skf18("8","5","7","5","1","10","1") = "9"
    & skf18("8","5","7","5","2","1","1") = "7"
    & skf18("8","5","7","5","2","2","1") = "7"
    & skf18("8","5","7","5","2","3","1") = "7"
    & skf18("8","5","7","5","2","4","1") = "7"
    & skf18("8","5","7","5","2","5","1") = "7"
    & skf18("8","5","7","5","2","6","1") = "7"
    & skf18("8","5","7","5","2","7","1") = "7"
    & skf18("8","5","7","5","2","8","1") = "7"
    & skf18("8","5","7","5","2","9","1") = "8"
    & skf18("8","5","7","5","2","10","1") = "9"
    & skf18("8","5","7","5","3","1","1") = "7"
    & skf18("8","5","7","5","3","2","1") = "7"
    & skf18("8","5","7","5","3","3","1") = "7"
    & skf18("8","5","7","5","3","4","1") = "7"
    & skf18("8","5","7","5","3","5","1") = "7"
    & skf18("8","5","7","5","3","6","1") = "7"
    & skf18("8","5","7","5","3","7","1") = "7"
    & skf18("8","5","7","5","3","8","1") = "7"
    & skf18("8","5","7","5","3","9","1") = "8"
    & skf18("8","5","7","5","3","10","1") = "9"
    & skf18("8","5","7","5","4","1","1") = "7"
    & skf18("8","5","7","5","4","2","1") = "7"
    & skf18("8","5","7","5","4","3","1") = "7"
    & skf18("8","5","7","5","4","4","1") = "7"
    & skf18("8","5","7","5","4","5","1") = "7"
    & skf18("8","5","7","5","4","6","1") = "7"
    & skf18("8","5","7","5","4","7","1") = "7"
    & skf18("8","5","7","5","4","8","1") = "7"
    & skf18("8","5","7","5","4","9","1") = "8"
    & skf18("8","5","7","5","4","10","1") = "9"
    & skf18("8","5","7","5","5","1","1") = "7"
    & skf18("8","5","7","5","5","2","1") = "7"
    & skf18("8","5","7","5","5","3","1") = "7"
    & skf18("8","5","7","5","5","4","1") = "7"
    & skf18("8","5","7","5","5","5","1") = "7"
    & skf18("8","5","7","5","5","6","1") = "7"
    & skf18("8","5","7","5","5","7","1") = "7"
    & skf18("8","5","7","5","5","8","1") = "7"
    & skf18("8","5","7","5","5","9","1") = "8"
    & skf18("8","5","7","5","5","10","1") = "9"
    & skf18("8","5","7","5","6","1","1") = "7"
    & skf18("8","5","7","5","6","2","1") = "7"
    & skf18("8","5","7","5","6","3","1") = "7"
    & skf18("8","5","7","5","6","4","1") = "7"
    & skf18("8","5","7","5","6","5","1") = "7"
    & skf18("8","5","7","5","6","6","1") = "7"
    & skf18("8","5","7","5","6","7","1") = "7"
    & skf18("8","5","7","5","6","8","1") = "7"
    & skf18("8","5","7","5","6","9","1") = "8"
    & skf18("8","5","7","5","6","10","1") = "9"
    & skf18("8","5","7","5","7","1","1") = "7"
    & skf18("8","5","7","5","7","2","1") = "7"
    & skf18("8","5","7","5","7","3","1") = "7"
    & skf18("8","5","7","5","7","4","1") = "7"
    & skf18("8","5","7","5","7","5","1") = "7"
    & skf18("8","5","7","5","7","6","1") = "7"
    & skf18("8","5","7","5","7","7","1") = "7"
    & skf18("8","5","7","5","7","8","1") = "7"
    & skf18("8","5","7","5","7","9","1") = "8"
    & skf18("8","5","7","5","7","10","1") = "9"
    & skf18("8","5","7","5","8","1","1") = "7"
    & skf18("8","5","7","5","8","2","1") = "7"
    & skf18("8","5","7","5","8","3","1") = "7"
    & skf18("8","5","7","5","8","4","1") = "7"
    & skf18("8","5","7","5","8","5","1") = "7"
    & skf18("8","5","7","5","8","6","1") = "7"
    & skf18("8","5","7","5","8","7","1") = "7"
    & skf18("8","5","7","5","8","8","1") = "7"
    & skf18("8","5","7","5","8","9","1") = "8"
    & skf18("8","5","7","5","8","10","1") = "9"
    & skf18("8","5","7","5","9","1","1") = "8"
    & skf18("8","5","7","5","9","2","1") = "8"
    & skf18("8","5","7","5","9","3","1") = "8"
    & skf18("8","5","7","5","9","4","1") = "8"
    & skf18("8","5","7","5","9","5","1") = "8"
    & skf18("8","5","7","5","9","6","1") = "8"
    & skf18("8","5","7","5","9","7","1") = "8"
    & skf18("8","5","7","5","9","8","1") = "8"
    & skf18("8","5","7","5","9","9","1") = "8"
    & skf18("8","5","7","5","9","10","1") = "9"
    & skf18("8","5","7","5","10","1","1") = "9"
    & skf18("8","5","7","5","10","2","1") = "9"
    & skf18("8","5","7","5","10","3","1") = "9"
    & skf18("8","5","7","5","10","4","1") = "9"
    & skf18("8","5","7","5","10","5","1") = "9"
    & skf18("8","5","7","5","10","6","1") = "9"
    & skf18("8","5","7","5","10","7","1") = "9"
    & skf18("8","5","7","5","10","8","1") = "9"
    & skf18("8","5","7","5","10","9","1") = "9"
    & skf18("8","5","7","5","10","10","1") = "9"
    & skf18("8","5","7","6","1","1","1") = "7"
    & skf18("8","5","7","6","1","2","1") = "7"
    & skf18("8","5","7","6","1","3","1") = "7"
    & skf18("8","5","7","6","1","4","1") = "7"
    & skf18("8","5","7","6","1","5","1") = "7"
    & skf18("8","5","7","6","1","6","1") = "7"
    & skf18("8","5","7","6","1","7","1") = "7"
    & skf18("8","5","7","6","1","8","1") = "7"
    & skf18("8","5","7","6","1","9","1") = "8"
    & skf18("8","5","7","6","1","10","1") = "9"
    & skf18("8","5","7","6","2","1","1") = "7"
    & skf18("8","5","7","6","2","2","1") = "7"
    & skf18("8","5","7","6","2","3","1") = "7"
    & skf18("8","5","7","6","2","4","1") = "7"
    & skf18("8","5","7","6","2","5","1") = "7"
    & skf18("8","5","7","6","2","6","1") = "7"
    & skf18("8","5","7","6","2","7","1") = "7"
    & skf18("8","5","7","6","2","8","1") = "7"
    & skf18("8","5","7","6","2","9","1") = "8"
    & skf18("8","5","7","6","2","10","1") = "9"
    & skf18("8","5","7","6","3","1","1") = "7"
    & skf18("8","5","7","6","3","2","1") = "7"
    & skf18("8","5","7","6","3","3","1") = "7"
    & skf18("8","5","7","6","3","4","1") = "7"
    & skf18("8","5","7","6","3","5","1") = "7"
    & skf18("8","5","7","6","3","6","1") = "7"
    & skf18("8","5","7","6","3","7","1") = "7"
    & skf18("8","5","7","6","3","8","1") = "7"
    & skf18("8","5","7","6","3","9","1") = "8"
    & skf18("8","5","7","6","3","10","1") = "9"
    & skf18("8","5","7","6","4","1","1") = "7"
    & skf18("8","5","7","6","4","2","1") = "7"
    & skf18("8","5","7","6","4","3","1") = "7"
    & skf18("8","5","7","6","4","4","1") = "7"
    & skf18("8","5","7","6","4","5","1") = "7"
    & skf18("8","5","7","6","4","6","1") = "7"
    & skf18("8","5","7","6","4","7","1") = "7"
    & skf18("8","5","7","6","4","8","1") = "7"
    & skf18("8","5","7","6","4","9","1") = "8"
    & skf18("8","5","7","6","4","10","1") = "9"
    & skf18("8","5","7","6","5","1","1") = "7"
    & skf18("8","5","7","6","5","2","1") = "7"
    & skf18("8","5","7","6","5","3","1") = "7"
    & skf18("8","5","7","6","5","4","1") = "7"
    & skf18("8","5","7","6","5","5","1") = "7"
    & skf18("8","5","7","6","5","6","1") = "7"
    & skf18("8","5","7","6","5","7","1") = "7"
    & skf18("8","5","7","6","5","8","1") = "7"
    & skf18("8","5","7","6","5","9","1") = "8"
    & skf18("8","5","7","6","5","10","1") = "9"
    & skf18("8","5","7","6","6","1","1") = "7"
    & skf18("8","5","7","6","6","2","1") = "7"
    & skf18("8","5","7","6","6","3","1") = "7"
    & skf18("8","5","7","6","6","4","1") = "7"
    & skf18("8","5","7","6","6","5","1") = "7"
    & skf18("8","5","7","6","6","6","1") = "7"
    & skf18("8","5","7","6","6","7","1") = "7"
    & skf18("8","5","7","6","6","8","1") = "7"
    & skf18("8","5","7","6","6","9","1") = "8"
    & skf18("8","5","7","6","6","10","1") = "9"
    & skf18("8","5","7","6","7","1","1") = "7"
    & skf18("8","5","7","6","7","2","1") = "7"
    & skf18("8","5","7","6","7","3","1") = "7"
    & skf18("8","5","7","6","7","4","1") = "7"
    & skf18("8","5","7","6","7","5","1") = "7"
    & skf18("8","5","7","6","7","6","1") = "7"
    & skf18("8","5","7","6","7","7","1") = "7"
    & skf18("8","5","7","6","7","8","1") = "7"
    & skf18("8","5","7","6","7","9","1") = "8"
    & skf18("8","5","7","6","7","10","1") = "9"
    & skf18("8","5","7","6","8","1","1") = "7"
    & skf18("8","5","7","6","8","2","1") = "7"
    & skf18("8","5","7","6","8","3","1") = "7"
    & skf18("8","5","7","6","8","4","1") = "7"
    & skf18("8","5","7","6","8","5","1") = "7"
    & skf18("8","5","7","6","8","6","1") = "7"
    & skf18("8","5","7","6","8","7","1") = "7"
    & skf18("8","5","7","6","8","8","1") = "7"
    & skf18("8","5","7","6","8","9","1") = "8"
    & skf18("8","5","7","6","8","10","1") = "9"
    & skf18("8","5","7","6","9","1","1") = "8"
    & skf18("8","5","7","6","9","2","1") = "8"
    & skf18("8","5","7","6","9","3","1") = "8"
    & skf18("8","5","7","6","9","4","1") = "8"
    & skf18("8","5","7","6","9","5","1") = "8"
    & skf18("8","5","7","6","9","6","1") = "8"
    & skf18("8","5","7","6","9","7","1") = "8"
    & skf18("8","5","7","6","9","8","1") = "8"
    & skf18("8","5","7","6","9","9","1") = "8"
    & skf18("8","5","7","6","9","10","1") = "9"
    & skf18("8","5","7","6","10","1","1") = "9"
    & skf18("8","5","7","6","10","2","1") = "9"
    & skf18("8","5","7","6","10","3","1") = "9"
    & skf18("8","5","7","6","10","4","1") = "9"
    & skf18("8","5","7","6","10","5","1") = "9"
    & skf18("8","5","7","6","10","6","1") = "9"
    & skf18("8","5","7","6","10","7","1") = "9"
    & skf18("8","5","7","6","10","8","1") = "9"
    & skf18("8","5","7","6","10","9","1") = "9"
    & skf18("8","5","7","6","10","10","1") = "9"
    & skf18("8","5","7","7","1","1","1") = "7"
    & skf18("8","5","7","7","1","2","1") = "7"
    & skf18("8","5","7","7","1","3","1") = "7"
    & skf18("8","5","7","7","1","4","1") = "7"
    & skf18("8","5","7","7","1","5","1") = "7"
    & skf18("8","5","7","7","1","6","1") = "7"
    & skf18("8","5","7","7","1","7","1") = "7"
    & skf18("8","5","7","7","1","8","1") = "7"
    & skf18("8","5","7","7","1","9","1") = "8"
    & skf18("8","5","7","7","1","10","1") = "9"
    & skf18("8","5","7","7","2","1","1") = "7"
    & skf18("8","5","7","7","2","2","1") = "7"
    & skf18("8","5","7","7","2","3","1") = "7"
    & skf18("8","5","7","7","2","4","1") = "7"
    & skf18("8","5","7","7","2","5","1") = "7"
    & skf18("8","5","7","7","2","6","1") = "7"
    & skf18("8","5","7","7","2","7","1") = "7"
    & skf18("8","5","7","7","2","8","1") = "7"
    & skf18("8","5","7","7","2","9","1") = "8"
    & skf18("8","5","7","7","2","10","1") = "9"
    & skf18("8","5","7","7","3","1","1") = "7"
    & skf18("8","5","7","7","3","2","1") = "7"
    & skf18("8","5","7","7","3","3","1") = "7"
    & skf18("8","5","7","7","3","4","1") = "7"
    & skf18("8","5","7","7","3","5","1") = "7"
    & skf18("8","5","7","7","3","6","1") = "7"
    & skf18("8","5","7","7","3","7","1") = "7"
    & skf18("8","5","7","7","3","8","1") = "7"
    & skf18("8","5","7","7","3","9","1") = "8"
    & skf18("8","5","7","7","3","10","1") = "9"
    & skf18("8","5","7","7","4","1","1") = "7"
    & skf18("8","5","7","7","4","2","1") = "7"
    & skf18("8","5","7","7","4","3","1") = "7"
    & skf18("8","5","7","7","4","4","1") = "7"
    & skf18("8","5","7","7","4","5","1") = "7"
    & skf18("8","5","7","7","4","6","1") = "7"
    & skf18("8","5","7","7","4","7","1") = "7"
    & skf18("8","5","7","7","4","8","1") = "7"
    & skf18("8","5","7","7","4","9","1") = "8"
    & skf18("8","5","7","7","4","10","1") = "9"
    & skf18("8","5","7","7","5","1","1") = "7"
    & skf18("8","5","7","7","5","2","1") = "7"
    & skf18("8","5","7","7","5","3","1") = "7"
    & skf18("8","5","7","7","5","4","1") = "7"
    & skf18("8","5","7","7","5","5","1") = "7"
    & skf18("8","5","7","7","5","6","1") = "7"
    & skf18("8","5","7","7","5","7","1") = "7"
    & skf18("8","5","7","7","5","8","1") = "7"
    & skf18("8","5","7","7","5","9","1") = "8"
    & skf18("8","5","7","7","5","10","1") = "9"
    & skf18("8","5","7","7","6","1","1") = "7"
    & skf18("8","5","7","7","6","2","1") = "7"
    & skf18("8","5","7","7","6","3","1") = "7"
    & skf18("8","5","7","7","6","4","1") = "7"
    & skf18("8","5","7","7","6","5","1") = "7"
    & skf18("8","5","7","7","6","6","1") = "7"
    & skf18("8","5","7","7","6","7","1") = "7"
    & skf18("8","5","7","7","6","8","1") = "7"
    & skf18("8","5","7","7","6","9","1") = "8"
    & skf18("8","5","7","7","6","10","1") = "9"
    & skf18("8","5","7","7","7","1","1") = "7"
    & skf18("8","5","7","7","7","2","1") = "7"
    & skf18("8","5","7","7","7","3","1") = "7"
    & skf18("8","5","7","7","7","4","1") = "7"
    & skf18("8","5","7","7","7","5","1") = "7"
    & skf18("8","5","7","7","7","6","1") = "7"
    & skf18("8","5","7","7","7","7","1") = "7"
    & skf18("8","5","7","7","7","8","1") = "7"
    & skf18("8","5","7","7","7","9","1") = "8"
    & skf18("8","5","7","7","7","10","1") = "9"
    & skf18("8","5","7","7","8","1","1") = "7"
    & skf18("8","5","7","7","8","2","1") = "7"
    & skf18("8","5","7","7","8","3","1") = "7"
    & skf18("8","5","7","7","8","4","1") = "7"
    & skf18("8","5","7","7","8","5","1") = "7"
    & skf18("8","5","7","7","8","6","1") = "7"
    & skf18("8","5","7","7","8","7","1") = "7"
    & skf18("8","5","7","7","8","8","1") = "7"
    & skf18("8","5","7","7","8","9","1") = "8"
    & skf18("8","5","7","7","8","10","1") = "9"
    & skf18("8","5","7","7","9","1","1") = "8"
    & skf18("8","5","7","7","9","2","1") = "8"
    & skf18("8","5","7","7","9","3","1") = "8"
    & skf18("8","5","7","7","9","4","1") = "8"
    & skf18("8","5","7","7","9","5","1") = "8"
    & skf18("8","5","7","7","9","6","1") = "8"
    & skf18("8","5","7","7","9","7","1") = "8"
    & skf18("8","5","7","7","9","8","1") = "8"
    & skf18("8","5","7","7","9","9","1") = "8"
    & skf18("8","5","7","7","9","10","1") = "9"
    & skf18("8","5","7","7","10","1","1") = "9"
    & skf18("8","5","7","7","10","2","1") = "9"
    & skf18("8","5","7","7","10","3","1") = "9"
    & skf18("8","5","7","7","10","4","1") = "9"
    & skf18("8","5","7","7","10","5","1") = "9"
    & skf18("8","5","7","7","10","6","1") = "9"
    & skf18("8","5","7","7","10","7","1") = "9"
    & skf18("8","5","7","7","10","8","1") = "9"
    & skf18("8","5","7","7","10","9","1") = "9"
    & skf18("8","5","7","7","10","10","1") = "9"
    & skf18("8","5","7","8","1","1","1") = "7"
    & skf18("8","5","7","8","1","2","1") = "7"
    & skf18("8","5","7","8","1","3","1") = "7"
    & skf18("8","5","7","8","1","4","1") = "7"
    & skf18("8","5","7","8","1","5","1") = "7"
    & skf18("8","5","7","8","1","6","1") = "7"
    & skf18("8","5","7","8","1","7","1") = "7"
    & skf18("8","5","7","8","1","8","1") = "7"
    & skf18("8","5","7","8","1","9","1") = "8"
    & skf18("8","5","7","8","1","10","1") = "9"
    & skf18("8","5","7","8","2","1","1") = "7"
    & skf18("8","5","7","8","2","2","1") = "7"
    & skf18("8","5","7","8","2","3","1") = "7"
    & skf18("8","5","7","8","2","4","1") = "7"
    & skf18("8","5","7","8","2","5","1") = "7"
    & skf18("8","5","7","8","2","6","1") = "7"
    & skf18("8","5","7","8","2","7","1") = "7"
    & skf18("8","5","7","8","2","8","1") = "7"
    & skf18("8","5","7","8","2","9","1") = "8"
    & skf18("8","5","7","8","2","10","1") = "9"
    & skf18("8","5","7","8","3","1","1") = "7"
    & skf18("8","5","7","8","3","2","1") = "7"
    & skf18("8","5","7","8","3","3","1") = "7"
    & skf18("8","5","7","8","3","4","1") = "7"
    & skf18("8","5","7","8","3","5","1") = "7"
    & skf18("8","5","7","8","3","6","1") = "7"
    & skf18("8","5","7","8","3","7","1") = "7"
    & skf18("8","5","7","8","3","8","1") = "7"
    & skf18("8","5","7","8","3","9","1") = "8"
    & skf18("8","5","7","8","3","10","1") = "9"
    & skf18("8","5","7","8","4","1","1") = "7"
    & skf18("8","5","7","8","4","2","1") = "7"
    & skf18("8","5","7","8","4","3","1") = "7"
    & skf18("8","5","7","8","4","4","1") = "7"
    & skf18("8","5","7","8","4","5","1") = "7"
    & skf18("8","5","7","8","4","6","1") = "7"
    & skf18("8","5","7","8","4","7","1") = "7"
    & skf18("8","5","7","8","4","8","1") = "7"
    & skf18("8","5","7","8","4","9","1") = "8"
    & skf18("8","5","7","8","4","10","1") = "9"
    & skf18("8","5","7","8","5","1","1") = "7"
    & skf18("8","5","7","8","5","2","1") = "7"
    & skf18("8","5","7","8","5","3","1") = "7"
    & skf18("8","5","7","8","5","4","1") = "7"
    & skf18("8","5","7","8","5","5","1") = "7"
    & skf18("8","5","7","8","5","6","1") = "7"
    & skf18("8","5","7","8","5","7","1") = "7"
    & skf18("8","5","7","8","5","8","1") = "7"
    & skf18("8","5","7","8","5","9","1") = "8"
    & skf18("8","5","7","8","5","10","1") = "9"
    & skf18("8","5","7","8","6","1","1") = "7"
    & skf18("8","5","7","8","6","2","1") = "7"
    & skf18("8","5","7","8","6","3","1") = "7"
    & skf18("8","5","7","8","6","4","1") = "7"
    & skf18("8","5","7","8","6","5","1") = "7"
    & skf18("8","5","7","8","6","6","1") = "7"
    & skf18("8","5","7","8","6","7","1") = "7"
    & skf18("8","5","7","8","6","8","1") = "7"
    & skf18("8","5","7","8","6","9","1") = "8"
    & skf18("8","5","7","8","6","10","1") = "9"
    & skf18("8","5","7","8","7","1","1") = "7"
    & skf18("8","5","7","8","7","2","1") = "7"
    & skf18("8","5","7","8","7","3","1") = "7"
    & skf18("8","5","7","8","7","4","1") = "7"
    & skf18("8","5","7","8","7","5","1") = "7"
    & skf18("8","5","7","8","7","6","1") = "7"
    & skf18("8","5","7","8","7","7","1") = "7"
    & skf18("8","5","7","8","7","8","1") = "7"
    & skf18("8","5","7","8","7","9","1") = "8"
    & skf18("8","5","7","8","7","10","1") = "9"
    & skf18("8","5","7","8","8","1","1") = "7"
    & skf18("8","5","7","8","8","2","1") = "7"
    & skf18("8","5","7","8","8","3","1") = "7"
    & skf18("8","5","7","8","8","4","1") = "7"
    & skf18("8","5","7","8","8","5","1") = "7"
    & skf18("8","5","7","8","8","6","1") = "7"
    & skf18("8","5","7","8","8","7","1") = "7"
    & skf18("8","5","7","8","8","8","1") = "7"
    & skf18("8","5","7","8","8","9","1") = "8"
    & skf18("8","5","7","8","8","10","1") = "9"
    & skf18("8","5","7","8","9","1","1") = "8"
    & skf18("8","5","7","8","9","2","1") = "8"
    & skf18("8","5","7","8","9","3","1") = "8"
    & skf18("8","5","7","8","9","4","1") = "8"
    & skf18("8","5","7","8","9","5","1") = "8"
    & skf18("8","5","7","8","9","6","1") = "8"
    & skf18("8","5","7","8","9","7","1") = "8"
    & skf18("8","5","7","8","9","8","1") = "8"
    & skf18("8","5","7","8","9","9","1") = "8"
    & skf18("8","5","7","8","9","10","1") = "9"
    & skf18("8","5","7","8","10","1","1") = "9"
    & skf18("8","5","7","8","10","2","1") = "9"
    & skf18("8","5","7","8","10","3","1") = "9"
    & skf18("8","5","7","8","10","4","1") = "9"
    & skf18("8","5","7","8","10","5","1") = "9"
    & skf18("8","5","7","8","10","6","1") = "9"
    & skf18("8","5","7","8","10","7","1") = "9"
    & skf18("8","5","7","8","10","8","1") = "9"
    & skf18("8","5","7","8","10","9","1") = "9"
    & skf18("8","5","7","8","10","10","1") = "9"
    & skf18("8","5","7","9","1","1","1") = "8"
    & skf18("8","5","7","9","1","2","1") = "8"
    & skf18("8","5","7","9","1","3","1") = "8"
    & skf18("8","5","7","9","1","4","1") = "8"
    & skf18("8","5","7","9","1","5","1") = "8"
    & skf18("8","5","7","9","1","6","1") = "8"
    & skf18("8","5","7","9","1","7","1") = "8"
    & skf18("8","5","7","9","1","8","1") = "8"
    & skf18("8","5","7","9","1","9","1") = "8"
    & skf18("8","5","7","9","1","10","1") = "9"
    & skf18("8","5","7","9","2","1","1") = "8"
    & skf18("8","5","7","9","2","2","1") = "8"
    & skf18("8","5","7","9","2","3","1") = "8"
    & skf18("8","5","7","9","2","4","1") = "8"
    & skf18("8","5","7","9","2","5","1") = "8"
    & skf18("8","5","7","9","2","6","1") = "8"
    & skf18("8","5","7","9","2","7","1") = "8"
    & skf18("8","5","7","9","2","8","1") = "8"
    & skf18("8","5","7","9","2","9","1") = "8"
    & skf18("8","5","7","9","2","10","1") = "9"
    & skf18("8","5","7","9","3","1","1") = "8"
    & skf18("8","5","7","9","3","2","1") = "8"
    & skf18("8","5","7","9","3","3","1") = "8"
    & skf18("8","5","7","9","3","4","1") = "8"
    & skf18("8","5","7","9","3","5","1") = "8"
    & skf18("8","5","7","9","3","6","1") = "8"
    & skf18("8","5","7","9","3","7","1") = "8"
    & skf18("8","5","7","9","3","8","1") = "8"
    & skf18("8","5","7","9","3","9","1") = "8"
    & skf18("8","5","7","9","3","10","1") = "9"
    & skf18("8","5","7","9","4","1","1") = "8"
    & skf18("8","5","7","9","4","2","1") = "8"
    & skf18("8","5","7","9","4","3","1") = "8"
    & skf18("8","5","7","9","4","4","1") = "8"
    & skf18("8","5","7","9","4","5","1") = "8"
    & skf18("8","5","7","9","4","6","1") = "8"
    & skf18("8","5","7","9","4","7","1") = "8"
    & skf18("8","5","7","9","4","8","1") = "8"
    & skf18("8","5","7","9","4","9","1") = "8"
    & skf18("8","5","7","9","4","10","1") = "9"
    & skf18("8","5","7","9","5","1","1") = "8"
    & skf18("8","5","7","9","5","2","1") = "8"
    & skf18("8","5","7","9","5","3","1") = "8"
    & skf18("8","5","7","9","5","4","1") = "8"
    & skf18("8","5","7","9","5","5","1") = "8"
    & skf18("8","5","7","9","5","6","1") = "8"
    & skf18("8","5","7","9","5","7","1") = "8"
    & skf18("8","5","7","9","5","8","1") = "8"
    & skf18("8","5","7","9","5","9","1") = "8"
    & skf18("8","5","7","9","5","10","1") = "9"
    & skf18("8","5","7","9","6","1","1") = "8"
    & skf18("8","5","7","9","6","2","1") = "8"
    & skf18("8","5","7","9","6","3","1") = "8"
    & skf18("8","5","7","9","6","4","1") = "8"
    & skf18("8","5","7","9","6","5","1") = "8"
    & skf18("8","5","7","9","6","6","1") = "8"
    & skf18("8","5","7","9","6","7","1") = "8"
    & skf18("8","5","7","9","6","8","1") = "8"
    & skf18("8","5","7","9","6","9","1") = "8"
    & skf18("8","5","7","9","6","10","1") = "9"
    & skf18("8","5","7","9","7","1","1") = "8"
    & skf18("8","5","7","9","7","2","1") = "8"
    & skf18("8","5","7","9","7","3","1") = "8"
    & skf18("8","5","7","9","7","4","1") = "8"
    & skf18("8","5","7","9","7","5","1") = "8"
    & skf18("8","5","7","9","7","6","1") = "8"
    & skf18("8","5","7","9","7","7","1") = "8"
    & skf18("8","5","7","9","7","8","1") = "8"
    & skf18("8","5","7","9","7","9","1") = "8"
    & skf18("8","5","7","9","7","10","1") = "9"
    & skf18("8","5","7","9","8","1","1") = "8"
    & skf18("8","5","7","9","8","2","1") = "8"
    & skf18("8","5","7","9","8","3","1") = "8"
    & skf18("8","5","7","9","8","4","1") = "8"
    & skf18("8","5","7","9","8","5","1") = "8"
    & skf18("8","5","7","9","8","6","1") = "8"
    & skf18("8","5","7","9","8","7","1") = "8"
    & skf18("8","5","7","9","8","8","1") = "8"
    & skf18("8","5","7","9","8","9","1") = "8"
    & skf18("8","5","7","9","8","10","1") = "9"
    & skf18("8","5","7","9","9","1","1") = "8"
    & skf18("8","5","7","9","9","2","1") = "8"
    & skf18("8","5","7","9","9","3","1") = "8"
    & skf18("8","5","7","9","9","4","1") = "8"
    & skf18("8","5","7","9","9","5","1") = "8"
    & skf18("8","5","7","9","9","6","1") = "8"
    & skf18("8","5","7","9","9","7","1") = "8"
    & skf18("8","5","7","9","9","8","1") = "8"
    & skf18("8","5","7","9","9","9","1") = "8"
    & skf18("8","5","7","9","9","10","1") = "9"
    & skf18("8","5","7","9","10","1","1") = "9"
    & skf18("8","5","7","9","10","2","1") = "9"
    & skf18("8","5","7","9","10","3","1") = "9"
    & skf18("8","5","7","9","10","4","1") = "9"
    & skf18("8","5","7","9","10","5","1") = "9"
    & skf18("8","5","7","9","10","6","1") = "9"
    & skf18("8","5","7","9","10","7","1") = "9"
    & skf18("8","5","7","9","10","8","1") = "9"
    & skf18("8","5","7","9","10","9","1") = "9"
    & skf18("8","5","7","9","10","10","1") = "9"
    & skf18("8","5","7","10","1","1","1") = "9"
    & skf18("8","5","7","10","1","2","1") = "9"
    & skf18("8","5","7","10","1","3","1") = "9"
    & skf18("8","5","7","10","1","4","1") = "9"
    & skf18("8","5","7","10","1","5","1") = "9"
    & skf18("8","5","7","10","1","6","1") = "9"
    & skf18("8","5","7","10","1","7","1") = "9"
    & skf18("8","5","7","10","1","8","1") = "9"
    & skf18("8","5","7","10","1","9","1") = "9"
    & skf18("8","5","7","10","1","10","1") = "9"
    & skf18("8","5","7","10","2","1","1") = "9"
    & skf18("8","5","7","10","2","2","1") = "9"
    & skf18("8","5","7","10","2","3","1") = "9"
    & skf18("8","5","7","10","2","4","1") = "9"
    & skf18("8","5","7","10","2","5","1") = "9"
    & skf18("8","5","7","10","2","6","1") = "9"
    & skf18("8","5","7","10","2","7","1") = "9"
    & skf18("8","5","7","10","2","8","1") = "9"
    & skf18("8","5","7","10","2","9","1") = "9"
    & skf18("8","5","7","10","2","10","1") = "9"
    & skf18("8","5","7","10","3","1","1") = "9"
    & skf18("8","5","7","10","3","2","1") = "9"
    & skf18("8","5","7","10","3","3","1") = "9"
    & skf18("8","5","7","10","3","4","1") = "9"
    & skf18("8","5","7","10","3","5","1") = "9"
    & skf18("8","5","7","10","3","6","1") = "9"
    & skf18("8","5","7","10","3","7","1") = "9"
    & skf18("8","5","7","10","3","8","1") = "9"
    & skf18("8","5","7","10","3","9","1") = "9"
    & skf18("8","5","7","10","3","10","1") = "9"
    & skf18("8","5","7","10","4","1","1") = "9"
    & skf18("8","5","7","10","4","2","1") = "9"
    & skf18("8","5","7","10","4","3","1") = "9"
    & skf18("8","5","7","10","4","4","1") = "9"
    & skf18("8","5","7","10","4","5","1") = "9"
    & skf18("8","5","7","10","4","6","1") = "9"
    & skf18("8","5","7","10","4","7","1") = "9"
    & skf18("8","5","7","10","4","8","1") = "9"
    & skf18("8","5","7","10","4","9","1") = "9"
    & skf18("8","5","7","10","4","10","1") = "9"
    & skf18("8","5","7","10","5","1","1") = "9"
    & skf18("8","5","7","10","5","2","1") = "9"
    & skf18("8","5","7","10","5","3","1") = "9"
    & skf18("8","5","7","10","5","4","1") = "9"
    & skf18("8","5","7","10","5","5","1") = "9"
    & skf18("8","5","7","10","5","6","1") = "9"
    & skf18("8","5","7","10","5","7","1") = "9"
    & skf18("8","5","7","10","5","8","1") = "9"
    & skf18("8","5","7","10","5","9","1") = "9"
    & skf18("8","5","7","10","5","10","1") = "9"
    & skf18("8","5","7","10","6","1","1") = "9"
    & skf18("8","5","7","10","6","2","1") = "9"
    & skf18("8","5","7","10","6","3","1") = "9"
    & skf18("8","5","7","10","6","4","1") = "9"
    & skf18("8","5","7","10","6","5","1") = "9"
    & skf18("8","5","7","10","6","6","1") = "9"
    & skf18("8","5","7","10","6","7","1") = "9"
    & skf18("8","5","7","10","6","8","1") = "9"
    & skf18("8","5","7","10","6","9","1") = "9"
    & skf18("8","5","7","10","6","10","1") = "9"
    & skf18("8","5","7","10","7","1","1") = "9"
    & skf18("8","5","7","10","7","2","1") = "9"
    & skf18("8","5","7","10","7","3","1") = "9"
    & skf18("8","5","7","10","7","4","1") = "9"
    & skf18("8","5","7","10","7","5","1") = "9"
    & skf18("8","5","7","10","7","6","1") = "9"
    & skf18("8","5","7","10","7","7","1") = "9"
    & skf18("8","5","7","10","7","8","1") = "9"
    & skf18("8","5","7","10","7","9","1") = "9"
    & skf18("8","5","7","10","7","10","1") = "9"
    & skf18("8","5","7","10","8","1","1") = "9"
    & skf18("8","5","7","10","8","2","1") = "9"
    & skf18("8","5","7","10","8","3","1") = "9"
    & skf18("8","5","7","10","8","4","1") = "9"
    & skf18("8","5","7","10","8","5","1") = "9"
    & skf18("8","5","7","10","8","6","1") = "9"
    & skf18("8","5","7","10","8","7","1") = "9"
    & skf18("8","5","7","10","8","8","1") = "9"
    & skf18("8","5","7","10","8","9","1") = "9"
    & skf18("8","5","7","10","8","10","1") = "9"
    & skf18("8","5","7","10","9","1","1") = "9"
    & skf18("8","5","7","10","9","2","1") = "9"
    & skf18("8","5","7","10","9","3","1") = "9"
    & skf18("8","5","7","10","9","4","1") = "9"
    & skf18("8","5","7","10","9","5","1") = "9"
    & skf18("8","5","7","10","9","6","1") = "9"
    & skf18("8","5","7","10","9","7","1") = "9"
    & skf18("8","5","7","10","9","8","1") = "9"
    & skf18("8","5","7","10","9","9","1") = "9"
    & skf18("8","5","7","10","9","10","1") = "9"
    & skf18("8","5","7","10","10","1","1") = "9"
    & skf18("8","5","7","10","10","2","1") = "9"
    & skf18("8","5","7","10","10","3","1") = "9"
    & skf18("8","5","7","10","10","4","1") = "9"
    & skf18("8","5","7","10","10","5","1") = "9"
    & skf18("8","5","7","10","10","6","1") = "9"
    & skf18("8","5","7","10","10","7","1") = "9"
    & skf18("8","5","7","10","10","8","1") = "9"
    & skf18("8","5","7","10","10","9","1") = "9"
    & skf18("8","5","7","10","10","10","1") = "9"
    & skf18("8","5","8","1","1","1","1") = "7"
    & skf18("8","5","8","1","1","2","1") = "7"
    & skf18("8","5","8","1","1","3","1") = "7"
    & skf18("8","5","8","1","1","4","1") = "7"
    & skf18("8","5","8","1","1","5","1") = "7"
    & skf18("8","5","8","1","1","6","1") = "7"
    & skf18("8","5","8","1","1","7","1") = "7"
    & skf18("8","5","8","1","1","8","1") = "7"
    & skf18("8","5","8","1","1","9","1") = "8"
    & skf18("8","5","8","1","1","10","1") = "9"
    & skf18("8","5","8","1","2","1","1") = "7"
    & skf18("8","5","8","1","2","2","1") = "7"
    & skf18("8","5","8","1","2","3","1") = "7"
    & skf18("8","5","8","1","2","4","1") = "7"
    & skf18("8","5","8","1","2","5","1") = "7"
    & skf18("8","5","8","1","2","6","1") = "7"
    & skf18("8","5","8","1","2","7","1") = "7"
    & skf18("8","5","8","1","2","8","1") = "7"
    & skf18("8","5","8","1","2","9","1") = "8"
    & skf18("8","5","8","1","2","10","1") = "9"
    & skf18("8","5","8","1","3","1","1") = "7"
    & skf18("8","5","8","1","3","2","1") = "7"
    & skf18("8","5","8","1","3","3","1") = "7"
    & skf18("8","5","8","1","3","4","1") = "7"
    & skf18("8","5","8","1","3","5","1") = "7"
    & skf18("8","5","8","1","3","6","1") = "7"
    & skf18("8","5","8","1","3","7","1") = "7"
    & skf18("8","5","8","1","3","8","1") = "7"
    & skf18("8","5","8","1","3","9","1") = "8"
    & skf18("8","5","8","1","3","10","1") = "9"
    & skf18("8","5","8","1","4","1","1") = "7"
    & skf18("8","5","8","1","4","2","1") = "7"
    & skf18("8","5","8","1","4","3","1") = "7"
    & skf18("8","5","8","1","4","4","1") = "7"
    & skf18("8","5","8","1","4","5","1") = "7"
    & skf18("8","5","8","1","4","6","1") = "7"
    & skf18("8","5","8","1","4","7","1") = "7"
    & skf18("8","5","8","1","4","8","1") = "7"
    & skf18("8","5","8","1","4","9","1") = "8"
    & skf18("8","5","8","1","4","10","1") = "9"
    & skf18("8","5","8","1","5","1","1") = "7"
    & skf18("8","5","8","1","5","2","1") = "7"
    & skf18("8","5","8","1","5","3","1") = "7"
    & skf18("8","5","8","1","5","4","1") = "7"
    & skf18("8","5","8","1","5","5","1") = "7"
    & skf18("8","5","8","1","5","6","1") = "7"
    & skf18("8","5","8","1","5","7","1") = "7"
    & skf18("8","5","8","1","5","8","1") = "7"
    & skf18("8","5","8","1","5","9","1") = "8"
    & skf18("8","5","8","1","5","10","1") = "9"
    & skf18("8","5","8","1","6","1","1") = "7"
    & skf18("8","5","8","1","6","2","1") = "7"
    & skf18("8","5","8","1","6","3","1") = "7"
    & skf18("8","5","8","1","6","4","1") = "7"
    & skf18("8","5","8","1","6","5","1") = "7"
    & skf18("8","5","8","1","6","6","1") = "7"
    & skf18("8","5","8","1","6","7","1") = "7"
    & skf18("8","5","8","1","6","8","1") = "7"
    & skf18("8","5","8","1","6","9","1") = "8"
    & skf18("8","5","8","1","6","10","1") = "9"
    & skf18("8","5","8","1","7","1","1") = "7"
    & skf18("8","5","8","1","7","2","1") = "7"
    & skf18("8","5","8","1","7","3","1") = "7"
    & skf18("8","5","8","1","7","4","1") = "7"
    & skf18("8","5","8","1","7","5","1") = "7"
    & skf18("8","5","8","1","7","6","1") = "7"
    & skf18("8","5","8","1","7","7","1") = "7"
    & skf18("8","5","8","1","7","8","1") = "7"
    & skf18("8","5","8","1","7","9","1") = "8"
    & skf18("8","5","8","1","7","10","1") = "9"
    & skf18("8","5","8","1","8","1","1") = "7"
    & skf18("8","5","8","1","8","2","1") = "7"
    & skf18("8","5","8","1","8","3","1") = "7"
    & skf18("8","5","8","1","8","4","1") = "7"
    & skf18("8","5","8","1","8","5","1") = "7"
    & skf18("8","5","8","1","8","6","1") = "7"
    & skf18("8","5","8","1","8","7","1") = "7"
    & skf18("8","5","8","1","8","8","1") = "7"
    & skf18("8","5","8","1","8","9","1") = "8"
    & skf18("8","5","8","1","8","10","1") = "9"
    & skf18("8","5","8","1","9","1","1") = "8"
    & skf18("8","5","8","1","9","2","1") = "8"
    & skf18("8","5","8","1","9","3","1") = "8"
    & skf18("8","5","8","1","9","4","1") = "8"
    & skf18("8","5","8","1","9","5","1") = "8"
    & skf18("8","5","8","1","9","6","1") = "8"
    & skf18("8","5","8","1","9","7","1") = "8"
    & skf18("8","5","8","1","9","8","1") = "8"
    & skf18("8","5","8","1","9","9","1") = "8"
    & skf18("8","5","8","1","9","10","1") = "9"
    & skf18("8","5","8","1","10","1","1") = "9"
    & skf18("8","5","8","1","10","2","1") = "9"
    & skf18("8","5","8","1","10","3","1") = "9"
    & skf18("8","5","8","1","10","4","1") = "9"
    & skf18("8","5","8","1","10","5","1") = "9"
    & skf18("8","5","8","1","10","6","1") = "9"
    & skf18("8","5","8","1","10","7","1") = "9"
    & skf18("8","5","8","1","10","8","1") = "9"
    & skf18("8","5","8","1","10","9","1") = "9"
    & skf18("8","5","8","1","10","10","1") = "9"
    & skf18("8","5","8","2","1","1","1") = "7"
    & skf18("8","5","8","2","1","2","1") = "7"
    & skf18("8","5","8","2","1","3","1") = "7"
    & skf18("8","5","8","2","1","4","1") = "7"
    & skf18("8","5","8","2","1","5","1") = "7"
    & skf18("8","5","8","2","1","6","1") = "7"
    & skf18("8","5","8","2","1","7","1") = "7"
    & skf18("8","5","8","2","1","8","1") = "7"
    & skf18("8","5","8","2","1","9","1") = "8"
    & skf18("8","5","8","2","1","10","1") = "9"
    & skf18("8","5","8","2","2","1","1") = "7"
    & skf18("8","5","8","2","2","2","1") = "7"
    & skf18("8","5","8","2","2","3","1") = "7"
    & skf18("8","5","8","2","2","4","1") = "7"
    & skf18("8","5","8","2","2","5","1") = "7"
    & skf18("8","5","8","2","2","6","1") = "7"
    & skf18("8","5","8","2","2","7","1") = "7"
    & skf18("8","5","8","2","2","8","1") = "7"
    & skf18("8","5","8","2","2","9","1") = "8"
    & skf18("8","5","8","2","2","10","1") = "9"
    & skf18("8","5","8","2","3","1","1") = "7"
    & skf18("8","5","8","2","3","2","1") = "7"
    & skf18("8","5","8","2","3","3","1") = "7"
    & skf18("8","5","8","2","3","4","1") = "7"
    & skf18("8","5","8","2","3","5","1") = "7"
    & skf18("8","5","8","2","3","6","1") = "7"
    & skf18("8","5","8","2","3","7","1") = "7"
    & skf18("8","5","8","2","3","8","1") = "7"
    & skf18("8","5","8","2","3","9","1") = "8"
    & skf18("8","5","8","2","3","10","1") = "9"
    & skf18("8","5","8","2","4","1","1") = "7"
    & skf18("8","5","8","2","4","2","1") = "7"
    & skf18("8","5","8","2","4","3","1") = "7"
    & skf18("8","5","8","2","4","4","1") = "7"
    & skf18("8","5","8","2","4","5","1") = "7"
    & skf18("8","5","8","2","4","6","1") = "7"
    & skf18("8","5","8","2","4","7","1") = "7"
    & skf18("8","5","8","2","4","8","1") = "7"
    & skf18("8","5","8","2","4","9","1") = "8"
    & skf18("8","5","8","2","4","10","1") = "9"
    & skf18("8","5","8","2","5","1","1") = "7"
    & skf18("8","5","8","2","5","2","1") = "7"
    & skf18("8","5","8","2","5","3","1") = "7"
    & skf18("8","5","8","2","5","4","1") = "7"
    & skf18("8","5","8","2","5","5","1") = "7"
    & skf18("8","5","8","2","5","6","1") = "7"
    & skf18("8","5","8","2","5","7","1") = "7"
    & skf18("8","5","8","2","5","8","1") = "7"
    & skf18("8","5","8","2","5","9","1") = "8"
    & skf18("8","5","8","2","5","10","1") = "9"
    & skf18("8","5","8","2","6","1","1") = "7"
    & skf18("8","5","8","2","6","2","1") = "7"
    & skf18("8","5","8","2","6","3","1") = "7"
    & skf18("8","5","8","2","6","4","1") = "7"
    & skf18("8","5","8","2","6","5","1") = "7"
    & skf18("8","5","8","2","6","6","1") = "7"
    & skf18("8","5","8","2","6","7","1") = "7"
    & skf18("8","5","8","2","6","8","1") = "7"
    & skf18("8","5","8","2","6","9","1") = "8"
    & skf18("8","5","8","2","6","10","1") = "9"
    & skf18("8","5","8","2","7","1","1") = "7"
    & skf18("8","5","8","2","7","2","1") = "7"
    & skf18("8","5","8","2","7","3","1") = "7"
    & skf18("8","5","8","2","7","4","1") = "7"
    & skf18("8","5","8","2","7","5","1") = "7"
    & skf18("8","5","8","2","7","6","1") = "7"
    & skf18("8","5","8","2","7","7","1") = "7"
    & skf18("8","5","8","2","7","8","1") = "7"
    & skf18("8","5","8","2","7","9","1") = "8"
    & skf18("8","5","8","2","7","10","1") = "9"
    & skf18("8","5","8","2","8","1","1") = "7"
    & skf18("8","5","8","2","8","2","1") = "7"
    & skf18("8","5","8","2","8","3","1") = "7"
    & skf18("8","5","8","2","8","4","1") = "7"
    & skf18("8","5","8","2","8","5","1") = "7"
    & skf18("8","5","8","2","8","6","1") = "7"
    & skf18("8","5","8","2","8","7","1") = "7"
    & skf18("8","5","8","2","8","8","1") = "7"
    & skf18("8","5","8","2","8","9","1") = "8"
    & skf18("8","5","8","2","8","10","1") = "9"
    & skf18("8","5","8","2","9","1","1") = "8"
    & skf18("8","5","8","2","9","2","1") = "8"
    & skf18("8","5","8","2","9","3","1") = "8"
    & skf18("8","5","8","2","9","4","1") = "8"
    & skf18("8","5","8","2","9","5","1") = "8"
    & skf18("8","5","8","2","9","6","1") = "8"
    & skf18("8","5","8","2","9","7","1") = "8"
    & skf18("8","5","8","2","9","8","1") = "8"
    & skf18("8","5","8","2","9","9","1") = "8"
    & skf18("8","5","8","2","9","10","1") = "9"
    & skf18("8","5","8","2","10","1","1") = "9"
    & skf18("8","5","8","2","10","2","1") = "9"
    & skf18("8","5","8","2","10","3","1") = "9"
    & skf18("8","5","8","2","10","4","1") = "9"
    & skf18("8","5","8","2","10","5","1") = "9"
    & skf18("8","5","8","2","10","6","1") = "9"
    & skf18("8","5","8","2","10","7","1") = "9"
    & skf18("8","5","8","2","10","8","1") = "9"
    & skf18("8","5","8","2","10","9","1") = "9"
    & skf18("8","5","8","2","10","10","1") = "9"
    & skf18("8","5","8","3","1","1","1") = "7"
    & skf18("8","5","8","3","1","2","1") = "7"
    & skf18("8","5","8","3","1","3","1") = "7"
    & skf18("8","5","8","3","1","4","1") = "7"
    & skf18("8","5","8","3","1","5","1") = "7"
    & skf18("8","5","8","3","1","6","1") = "7"
    & skf18("8","5","8","3","1","7","1") = "7"
    & skf18("8","5","8","3","1","8","1") = "7"
    & skf18("8","5","8","3","1","9","1") = "8"
    & skf18("8","5","8","3","1","10","1") = "9"
    & skf18("8","5","8","3","2","1","1") = "7"
    & skf18("8","5","8","3","2","2","1") = "7"
    & skf18("8","5","8","3","2","3","1") = "7"
    & skf18("8","5","8","3","2","4","1") = "7"
    & skf18("8","5","8","3","2","5","1") = "7"
    & skf18("8","5","8","3","2","6","1") = "7"
    & skf18("8","5","8","3","2","7","1") = "7"
    & skf18("8","5","8","3","2","8","1") = "7"
    & skf18("8","5","8","3","2","9","1") = "8"
    & skf18("8","5","8","3","2","10","1") = "9"
    & skf18("8","5","8","3","3","1","1") = "7"
    & skf18("8","5","8","3","3","2","1") = "7"
    & skf18("8","5","8","3","3","3","1") = "7"
    & skf18("8","5","8","3","3","4","1") = "7"
    & skf18("8","5","8","3","3","5","1") = "7"
    & skf18("8","5","8","3","3","6","1") = "7"
    & skf18("8","5","8","3","3","7","1") = "7"
    & skf18("8","5","8","3","3","8","1") = "7"
    & skf18("8","5","8","3","3","9","1") = "8"
    & skf18("8","5","8","3","3","10","1") = "9"
    & skf18("8","5","8","3","4","1","1") = "7"
    & skf18("8","5","8","3","4","2","1") = "7"
    & skf18("8","5","8","3","4","3","1") = "7"
    & skf18("8","5","8","3","4","4","1") = "7"
    & skf18("8","5","8","3","4","5","1") = "7"
    & skf18("8","5","8","3","4","6","1") = "7"
    & skf18("8","5","8","3","4","7","1") = "7"
    & skf18("8","5","8","3","4","8","1") = "7"
    & skf18("8","5","8","3","4","9","1") = "8"
    & skf18("8","5","8","3","4","10","1") = "9"
    & skf18("8","5","8","3","5","1","1") = "7"
    & skf18("8","5","8","3","5","2","1") = "7"
    & skf18("8","5","8","3","5","3","1") = "7"
    & skf18("8","5","8","3","5","4","1") = "7"
    & skf18("8","5","8","3","5","5","1") = "7"
    & skf18("8","5","8","3","5","6","1") = "7"
    & skf18("8","5","8","3","5","7","1") = "7"
    & skf18("8","5","8","3","5","8","1") = "7"
    & skf18("8","5","8","3","5","9","1") = "8"
    & skf18("8","5","8","3","5","10","1") = "9"
    & skf18("8","5","8","3","6","1","1") = "7"
    & skf18("8","5","8","3","6","2","1") = "7"
    & skf18("8","5","8","3","6","3","1") = "7"
    & skf18("8","5","8","3","6","4","1") = "7"
    & skf18("8","5","8","3","6","5","1") = "7"
    & skf18("8","5","8","3","6","6","1") = "7"
    & skf18("8","5","8","3","6","7","1") = "7"
    & skf18("8","5","8","3","6","8","1") = "7"
    & skf18("8","5","8","3","6","9","1") = "8"
    & skf18("8","5","8","3","6","10","1") = "9"
    & skf18("8","5","8","3","7","1","1") = "7"
    & skf18("8","5","8","3","7","2","1") = "7"
    & skf18("8","5","8","3","7","3","1") = "7"
    & skf18("8","5","8","3","7","4","1") = "7"
    & skf18("8","5","8","3","7","5","1") = "7"
    & skf18("8","5","8","3","7","6","1") = "7"
    & skf18("8","5","8","3","7","7","1") = "7"
    & skf18("8","5","8","3","7","8","1") = "7"
    & skf18("8","5","8","3","7","9","1") = "8"
    & skf18("8","5","8","3","7","10","1") = "9"
    & skf18("8","5","8","3","8","1","1") = "7"
    & skf18("8","5","8","3","8","2","1") = "7"
    & skf18("8","5","8","3","8","3","1") = "7"
    & skf18("8","5","8","3","8","4","1") = "7"
    & skf18("8","5","8","3","8","5","1") = "7"
    & skf18("8","5","8","3","8","6","1") = "7"
    & skf18("8","5","8","3","8","7","1") = "7"
    & skf18("8","5","8","3","8","8","1") = "7"
    & skf18("8","5","8","3","8","9","1") = "8"
    & skf18("8","5","8","3","8","10","1") = "9"
    & skf18("8","5","8","3","9","1","1") = "8"
    & skf18("8","5","8","3","9","2","1") = "8"
    & skf18("8","5","8","3","9","3","1") = "8"
    & skf18("8","5","8","3","9","4","1") = "8"
    & skf18("8","5","8","3","9","5","1") = "8"
    & skf18("8","5","8","3","9","6","1") = "8"
    & skf18("8","5","8","3","9","7","1") = "8"
    & skf18("8","5","8","3","9","8","1") = "8"
    & skf18("8","5","8","3","9","9","1") = "8"
    & skf18("8","5","8","3","9","10","1") = "9"
    & skf18("8","5","8","3","10","1","1") = "9"
    & skf18("8","5","8","3","10","2","1") = "9"
    & skf18("8","5","8","3","10","3","1") = "9"
    & skf18("8","5","8","3","10","4","1") = "9"
    & skf18("8","5","8","3","10","5","1") = "9"
    & skf18("8","5","8","3","10","6","1") = "9"
    & skf18("8","5","8","3","10","7","1") = "9"
    & skf18("8","5","8","3","10","8","1") = "9"
    & skf18("8","5","8","3","10","9","1") = "9"
    & skf18("8","5","8","3","10","10","1") = "9"
    & skf18("8","5","8","4","1","1","1") = "7"
    & skf18("8","5","8","4","1","2","1") = "7"
    & skf18("8","5","8","4","1","3","1") = "7"
    & skf18("8","5","8","4","1","4","1") = "7"
    & skf18("8","5","8","4","1","5","1") = "7"
    & skf18("8","5","8","4","1","6","1") = "7"
    & skf18("8","5","8","4","1","7","1") = "7"
    & skf18("8","5","8","4","1","8","1") = "7"
    & skf18("8","5","8","4","1","9","1") = "8"
    & skf18("8","5","8","4","1","10","1") = "9"
    & skf18("8","5","8","4","2","1","1") = "7"
    & skf18("8","5","8","4","2","2","1") = "7"
    & skf18("8","5","8","4","2","3","1") = "7"
    & skf18("8","5","8","4","2","4","1") = "7"
    & skf18("8","5","8","4","2","5","1") = "7"
    & skf18("8","5","8","4","2","6","1") = "7"
    & skf18("8","5","8","4","2","7","1") = "7"
    & skf18("8","5","8","4","2","8","1") = "7"
    & skf18("8","5","8","4","2","9","1") = "8"
    & skf18("8","5","8","4","2","10","1") = "9"
    & skf18("8","5","8","4","3","1","1") = "7"
    & skf18("8","5","8","4","3","2","1") = "7"
    & skf18("8","5","8","4","3","3","1") = "7"
    & skf18("8","5","8","4","3","4","1") = "7"
    & skf18("8","5","8","4","3","5","1") = "7"
    & skf18("8","5","8","4","3","6","1") = "7"
    & skf18("8","5","8","4","3","7","1") = "7"
    & skf18("8","5","8","4","3","8","1") = "7"
    & skf18("8","5","8","4","3","9","1") = "8"
    & skf18("8","5","8","4","3","10","1") = "9"
    & skf18("8","5","8","4","4","1","1") = "7"
    & skf18("8","5","8","4","4","2","1") = "7"
    & skf18("8","5","8","4","4","3","1") = "7"
    & skf18("8","5","8","4","4","4","1") = "7"
    & skf18("8","5","8","4","4","5","1") = "7"
    & skf18("8","5","8","4","4","6","1") = "7"
    & skf18("8","5","8","4","4","7","1") = "7"
    & skf18("8","5","8","4","4","8","1") = "7"
    & skf18("8","5","8","4","4","9","1") = "8"
    & skf18("8","5","8","4","4","10","1") = "9"
    & skf18("8","5","8","4","5","1","1") = "7"
    & skf18("8","5","8","4","5","2","1") = "7"
    & skf18("8","5","8","4","5","3","1") = "7"
    & skf18("8","5","8","4","5","4","1") = "7"
    & skf18("8","5","8","4","5","5","1") = "7"
    & skf18("8","5","8","4","5","6","1") = "7"
    & skf18("8","5","8","4","5","7","1") = "7"
    & skf18("8","5","8","4","5","8","1") = "7"
    & skf18("8","5","8","4","5","9","1") = "8"
    & skf18("8","5","8","4","5","10","1") = "9"
    & skf18("8","5","8","4","6","1","1") = "7"
    & skf18("8","5","8","4","6","2","1") = "7"
    & skf18("8","5","8","4","6","3","1") = "7"
    & skf18("8","5","8","4","6","4","1") = "7"
    & skf18("8","5","8","4","6","5","1") = "7"
    & skf18("8","5","8","4","6","6","1") = "7"
    & skf18("8","5","8","4","6","7","1") = "7"
    & skf18("8","5","8","4","6","8","1") = "7"
    & skf18("8","5","8","4","6","9","1") = "8"
    & skf18("8","5","8","4","6","10","1") = "9"
    & skf18("8","5","8","4","7","1","1") = "7"
    & skf18("8","5","8","4","7","2","1") = "7"
    & skf18("8","5","8","4","7","3","1") = "7"
    & skf18("8","5","8","4","7","4","1") = "7"
    & skf18("8","5","8","4","7","5","1") = "7"
    & skf18("8","5","8","4","7","6","1") = "7"
    & skf18("8","5","8","4","7","7","1") = "7"
    & skf18("8","5","8","4","7","8","1") = "7"
    & skf18("8","5","8","4","7","9","1") = "8"
    & skf18("8","5","8","4","7","10","1") = "9"
    & skf18("8","5","8","4","8","1","1") = "7"
    & skf18("8","5","8","4","8","2","1") = "7"
    & skf18("8","5","8","4","8","3","1") = "7"
    & skf18("8","5","8","4","8","4","1") = "7"
    & skf18("8","5","8","4","8","5","1") = "7"
    & skf18("8","5","8","4","8","6","1") = "7"
    & skf18("8","5","8","4","8","7","1") = "7"
    & skf18("8","5","8","4","8","8","1") = "7"
    & skf18("8","5","8","4","8","9","1") = "8"
    & skf18("8","5","8","4","8","10","1") = "9"
    & skf18("8","5","8","4","9","1","1") = "8"
    & skf18("8","5","8","4","9","2","1") = "8"
    & skf18("8","5","8","4","9","3","1") = "8"
    & skf18("8","5","8","4","9","4","1") = "8"
    & skf18("8","5","8","4","9","5","1") = "8"
    & skf18("8","5","8","4","9","6","1") = "8"
    & skf18("8","5","8","4","9","7","1") = "8"
    & skf18("8","5","8","4","9","8","1") = "8"
    & skf18("8","5","8","4","9","9","1") = "8"
    & skf18("8","5","8","4","9","10","1") = "9"
    & skf18("8","5","8","4","10","1","1") = "9"
    & skf18("8","5","8","4","10","2","1") = "9"
    & skf18("8","5","8","4","10","3","1") = "9"
    & skf18("8","5","8","4","10","4","1") = "9"
    & skf18("8","5","8","4","10","5","1") = "9"
    & skf18("8","5","8","4","10","6","1") = "9"
    & skf18("8","5","8","4","10","7","1") = "9"
    & skf18("8","5","8","4","10","8","1") = "9"
    & skf18("8","5","8","4","10","9","1") = "9"
    & skf18("8","5","8","4","10","10","1") = "9"
    & skf18("8","5","8","5","1","1","1") = "7"
    & skf18("8","5","8","5","1","2","1") = "7"
    & skf18("8","5","8","5","1","3","1") = "7"
    & skf18("8","5","8","5","1","4","1") = "7"
    & skf18("8","5","8","5","1","5","1") = "7"
    & skf18("8","5","8","5","1","6","1") = "7"
    & skf18("8","5","8","5","1","7","1") = "7"
    & skf18("8","5","8","5","1","8","1") = "7"
    & skf18("8","5","8","5","1","9","1") = "8"
    & skf18("8","5","8","5","1","10","1") = "9"
    & skf18("8","5","8","5","2","1","1") = "7"
    & skf18("8","5","8","5","2","2","1") = "7"
    & skf18("8","5","8","5","2","3","1") = "7"
    & skf18("8","5","8","5","2","4","1") = "7"
    & skf18("8","5","8","5","2","5","1") = "7"
    & skf18("8","5","8","5","2","6","1") = "7"
    & skf18("8","5","8","5","2","7","1") = "7"
    & skf18("8","5","8","5","2","8","1") = "7"
    & skf18("8","5","8","5","2","9","1") = "8"
    & skf18("8","5","8","5","2","10","1") = "9"
    & skf18("8","5","8","5","3","1","1") = "7"
    & skf18("8","5","8","5","3","2","1") = "7"
    & skf18("8","5","8","5","3","3","1") = "7"
    & skf18("8","5","8","5","3","4","1") = "7"
    & skf18("8","5","8","5","3","5","1") = "7"
    & skf18("8","5","8","5","3","6","1") = "7"
    & skf18("8","5","8","5","3","7","1") = "7"
    & skf18("8","5","8","5","3","8","1") = "7"
    & skf18("8","5","8","5","3","9","1") = "8"
    & skf18("8","5","8","5","3","10","1") = "9"
    & skf18("8","5","8","5","4","1","1") = "7"
    & skf18("8","5","8","5","4","2","1") = "7"
    & skf18("8","5","8","5","4","3","1") = "7"
    & skf18("8","5","8","5","4","4","1") = "7"
    & skf18("8","5","8","5","4","5","1") = "7"
    & skf18("8","5","8","5","4","6","1") = "7"
    & skf18("8","5","8","5","4","7","1") = "7"
    & skf18("8","5","8","5","4","8","1") = "7"
    & skf18("8","5","8","5","4","9","1") = "8"
    & skf18("8","5","8","5","4","10","1") = "9"
    & skf18("8","5","8","5","5","1","1") = "7"
    & skf18("8","5","8","5","5","2","1") = "7"
    & skf18("8","5","8","5","5","3","1") = "7"
    & skf18("8","5","8","5","5","4","1") = "7"
    & skf18("8","5","8","5","5","5","1") = "7"
    & skf18("8","5","8","5","5","6","1") = "7"
    & skf18("8","5","8","5","5","7","1") = "7"
    & skf18("8","5","8","5","5","8","1") = "7"
    & skf18("8","5","8","5","5","9","1") = "8"
    & skf18("8","5","8","5","5","10","1") = "9"
    & skf18("8","5","8","5","6","1","1") = "7"
    & skf18("8","5","8","5","6","2","1") = "7"
    & skf18("8","5","8","5","6","3","1") = "7"
    & skf18("8","5","8","5","6","4","1") = "7"
    & skf18("8","5","8","5","6","5","1") = "7"
    & skf18("8","5","8","5","6","6","1") = "7"
    & skf18("8","5","8","5","6","7","1") = "7"
    & skf18("8","5","8","5","6","8","1") = "7"
    & skf18("8","5","8","5","6","9","1") = "8"
    & skf18("8","5","8","5","6","10","1") = "9"
    & skf18("8","5","8","5","7","1","1") = "7"
    & skf18("8","5","8","5","7","2","1") = "7"
    & skf18("8","5","8","5","7","3","1") = "7"
    & skf18("8","5","8","5","7","4","1") = "7"
    & skf18("8","5","8","5","7","5","1") = "7"
    & skf18("8","5","8","5","7","6","1") = "7"
    & skf18("8","5","8","5","7","7","1") = "7"
    & skf18("8","5","8","5","7","8","1") = "7"
    & skf18("8","5","8","5","7","9","1") = "8"
    & skf18("8","5","8","5","7","10","1") = "9"
    & skf18("8","5","8","5","8","1","1") = "7"
    & skf18("8","5","8","5","8","2","1") = "7"
    & skf18("8","5","8","5","8","3","1") = "7"
    & skf18("8","5","8","5","8","4","1") = "7"
    & skf18("8","5","8","5","8","5","1") = "7"
    & skf18("8","5","8","5","8","6","1") = "7"
    & skf18("8","5","8","5","8","7","1") = "7"
    & skf18("8","5","8","5","8","8","1") = "7"
    & skf18("8","5","8","5","8","9","1") = "8"
    & skf18("8","5","8","5","8","10","1") = "9"
    & skf18("8","5","8","5","9","1","1") = "8"
    & skf18("8","5","8","5","9","2","1") = "8"
    & skf18("8","5","8","5","9","3","1") = "8"
    & skf18("8","5","8","5","9","4","1") = "8"
    & skf18("8","5","8","5","9","5","1") = "8"
    & skf18("8","5","8","5","9","6","1") = "8"
    & skf18("8","5","8","5","9","7","1") = "8"
    & skf18("8","5","8","5","9","8","1") = "8"
    & skf18("8","5","8","5","9","9","1") = "8"
    & skf18("8","5","8","5","9","10","1") = "9"
    & skf18("8","5","8","5","10","1","1") = "9"
    & skf18("8","5","8","5","10","2","1") = "9"
    & skf18("8","5","8","5","10","3","1") = "9"
    & skf18("8","5","8","5","10","4","1") = "9"
    & skf18("8","5","8","5","10","5","1") = "9"
    & skf18("8","5","8","5","10","6","1") = "9"
    & skf18("8","5","8","5","10","7","1") = "9"
    & skf18("8","5","8","5","10","8","1") = "9"
    & skf18("8","5","8","5","10","9","1") = "9"
    & skf18("8","5","8","5","10","10","1") = "9"
    & skf18("8","5","8","6","1","1","1") = "7"
    & skf18("8","5","8","6","1","2","1") = "7"
    & skf18("8","5","8","6","1","3","1") = "7"
    & skf18("8","5","8","6","1","4","1") = "7"
    & skf18("8","5","8","6","1","5","1") = "7"
    & skf18("8","5","8","6","1","6","1") = "7"
    & skf18("8","5","8","6","1","7","1") = "7"
    & skf18("8","5","8","6","1","8","1") = "7"
    & skf18("8","5","8","6","1","9","1") = "8"
    & skf18("8","5","8","6","1","10","1") = "9"
    & skf18("8","5","8","6","2","1","1") = "7"
    & skf18("8","5","8","6","2","2","1") = "7"
    & skf18("8","5","8","6","2","3","1") = "7"
    & skf18("8","5","8","6","2","4","1") = "7"
    & skf18("8","5","8","6","2","5","1") = "7"
    & skf18("8","5","8","6","2","6","1") = "7"
    & skf18("8","5","8","6","2","7","1") = "7"
    & skf18("8","5","8","6","2","8","1") = "7"
    & skf18("8","5","8","6","2","9","1") = "8"
    & skf18("8","5","8","6","2","10","1") = "9"
    & skf18("8","5","8","6","3","1","1") = "7"
    & skf18("8","5","8","6","3","2","1") = "7"
    & skf18("8","5","8","6","3","3","1") = "7"
    & skf18("8","5","8","6","3","4","1") = "7"
    & skf18("8","5","8","6","3","5","1") = "7"
    & skf18("8","5","8","6","3","6","1") = "7"
    & skf18("8","5","8","6","3","7","1") = "7"
    & skf18("8","5","8","6","3","8","1") = "7"
    & skf18("8","5","8","6","3","9","1") = "8"
    & skf18("8","5","8","6","3","10","1") = "9"
    & skf18("8","5","8","6","4","1","1") = "7"
    & skf18("8","5","8","6","4","2","1") = "7"
    & skf18("8","5","8","6","4","3","1") = "7"
    & skf18("8","5","8","6","4","4","1") = "7"
    & skf18("8","5","8","6","4","5","1") = "7"
    & skf18("8","5","8","6","4","6","1") = "7"
    & skf18("8","5","8","6","4","7","1") = "7"
    & skf18("8","5","8","6","4","8","1") = "7"
    & skf18("8","5","8","6","4","9","1") = "8"
    & skf18("8","5","8","6","4","10","1") = "9"
    & skf18("8","5","8","6","5","1","1") = "7"
    & skf18("8","5","8","6","5","2","1") = "7"
    & skf18("8","5","8","6","5","3","1") = "7"
    & skf18("8","5","8","6","5","4","1") = "7"
    & skf18("8","5","8","6","5","5","1") = "7"
    & skf18("8","5","8","6","5","6","1") = "7"
    & skf18("8","5","8","6","5","7","1") = "7"
    & skf18("8","5","8","6","5","8","1") = "7"
    & skf18("8","5","8","6","5","9","1") = "8"
    & skf18("8","5","8","6","5","10","1") = "9"
    & skf18("8","5","8","6","6","1","1") = "7"
    & skf18("8","5","8","6","6","2","1") = "7"
    & skf18("8","5","8","6","6","3","1") = "7"
    & skf18("8","5","8","6","6","4","1") = "7"
    & skf18("8","5","8","6","6","5","1") = "7"
    & skf18("8","5","8","6","6","6","1") = "7"
    & skf18("8","5","8","6","6","7","1") = "7"
    & skf18("8","5","8","6","6","8","1") = "7"
    & skf18("8","5","8","6","6","9","1") = "8"
    & skf18("8","5","8","6","6","10","1") = "9"
    & skf18("8","5","8","6","7","1","1") = "7"
    & skf18("8","5","8","6","7","2","1") = "7"
    & skf18("8","5","8","6","7","3","1") = "7"
    & skf18("8","5","8","6","7","4","1") = "7"
    & skf18("8","5","8","6","7","5","1") = "7"
    & skf18("8","5","8","6","7","6","1") = "7"
    & skf18("8","5","8","6","7","7","1") = "7"
    & skf18("8","5","8","6","7","8","1") = "7"
    & skf18("8","5","8","6","7","9","1") = "8"
    & skf18("8","5","8","6","7","10","1") = "9"
    & skf18("8","5","8","6","8","1","1") = "7"
    & skf18("8","5","8","6","8","2","1") = "7"
    & skf18("8","5","8","6","8","3","1") = "7"
    & skf18("8","5","8","6","8","4","1") = "7"
    & skf18("8","5","8","6","8","5","1") = "7"
    & skf18("8","5","8","6","8","6","1") = "7"
    & skf18("8","5","8","6","8","7","1") = "7"
    & skf18("8","5","8","6","8","8","1") = "7"
    & skf18("8","5","8","6","8","9","1") = "8"
    & skf18("8","5","8","6","8","10","1") = "9"
    & skf18("8","5","8","6","9","1","1") = "8"
    & skf18("8","5","8","6","9","2","1") = "8"
    & skf18("8","5","8","6","9","3","1") = "8"
    & skf18("8","5","8","6","9","4","1") = "8"
    & skf18("8","5","8","6","9","5","1") = "8"
    & skf18("8","5","8","6","9","6","1") = "8"
    & skf18("8","5","8","6","9","7","1") = "8"
    & skf18("8","5","8","6","9","8","1") = "8"
    & skf18("8","5","8","6","9","9","1") = "8"
    & skf18("8","5","8","6","9","10","1") = "9"
    & skf18("8","5","8","6","10","1","1") = "9"
    & skf18("8","5","8","6","10","2","1") = "9"
    & skf18("8","5","8","6","10","3","1") = "9"
    & skf18("8","5","8","6","10","4","1") = "9"
    & skf18("8","5","8","6","10","5","1") = "9"
    & skf18("8","5","8","6","10","6","1") = "9"
    & skf18("8","5","8","6","10","7","1") = "9"
    & skf18("8","5","8","6","10","8","1") = "9"
    & skf18("8","5","8","6","10","9","1") = "9"
    & skf18("8","5","8","6","10","10","1") = "9"
    & skf18("8","5","8","7","1","1","1") = "7"
    & skf18("8","5","8","7","1","2","1") = "7"
    & skf18("8","5","8","7","1","3","1") = "7"
    & skf18("8","5","8","7","1","4","1") = "7"
    & skf18("8","5","8","7","1","5","1") = "7"
    & skf18("8","5","8","7","1","6","1") = "7"
    & skf18("8","5","8","7","1","7","1") = "7"
    & skf18("8","5","8","7","1","8","1") = "7"
    & skf18("8","5","8","7","1","9","1") = "8"
    & skf18("8","5","8","7","1","10","1") = "9"
    & skf18("8","5","8","7","2","1","1") = "7"
    & skf18("8","5","8","7","2","2","1") = "7"
    & skf18("8","5","8","7","2","3","1") = "7"
    & skf18("8","5","8","7","2","4","1") = "7"
    & skf18("8","5","8","7","2","5","1") = "7"
    & skf18("8","5","8","7","2","6","1") = "7"
    & skf18("8","5","8","7","2","7","1") = "7"
    & skf18("8","5","8","7","2","8","1") = "7"
    & skf18("8","5","8","7","2","9","1") = "8"
    & skf18("8","5","8","7","2","10","1") = "9"
    & skf18("8","5","8","7","3","1","1") = "7"
    & skf18("8","5","8","7","3","2","1") = "7"
    & skf18("8","5","8","7","3","3","1") = "7"
    & skf18("8","5","8","7","3","4","1") = "7"
    & skf18("8","5","8","7","3","5","1") = "7"
    & skf18("8","5","8","7","3","6","1") = "7"
    & skf18("8","5","8","7","3","7","1") = "7"
    & skf18("8","5","8","7","3","8","1") = "7"
    & skf18("8","5","8","7","3","9","1") = "8"
    & skf18("8","5","8","7","3","10","1") = "9"
    & skf18("8","5","8","7","4","1","1") = "7"
    & skf18("8","5","8","7","4","2","1") = "7"
    & skf18("8","5","8","7","4","3","1") = "7"
    & skf18("8","5","8","7","4","4","1") = "7"
    & skf18("8","5","8","7","4","5","1") = "7"
    & skf18("8","5","8","7","4","6","1") = "7"
    & skf18("8","5","8","7","4","7","1") = "7"
    & skf18("8","5","8","7","4","8","1") = "7"
    & skf18("8","5","8","7","4","9","1") = "8"
    & skf18("8","5","8","7","4","10","1") = "9"
    & skf18("8","5","8","7","5","1","1") = "7"
    & skf18("8","5","8","7","5","2","1") = "7"
    & skf18("8","5","8","7","5","3","1") = "7"
    & skf18("8","5","8","7","5","4","1") = "7"
    & skf18("8","5","8","7","5","5","1") = "7"
    & skf18("8","5","8","7","5","6","1") = "7"
    & skf18("8","5","8","7","5","7","1") = "7"
    & skf18("8","5","8","7","5","8","1") = "7"
    & skf18("8","5","8","7","5","9","1") = "8"
    & skf18("8","5","8","7","5","10","1") = "9"
    & skf18("8","5","8","7","6","1","1") = "7"
    & skf18("8","5","8","7","6","2","1") = "7"
    & skf18("8","5","8","7","6","3","1") = "7"
    & skf18("8","5","8","7","6","4","1") = "7"
    & skf18("8","5","8","7","6","5","1") = "7"
    & skf18("8","5","8","7","6","6","1") = "7"
    & skf18("8","5","8","7","6","7","1") = "7"
    & skf18("8","5","8","7","6","8","1") = "7"
    & skf18("8","5","8","7","6","9","1") = "8"
    & skf18("8","5","8","7","6","10","1") = "9"
    & skf18("8","5","8","7","7","1","1") = "7"
    & skf18("8","5","8","7","7","2","1") = "7"
    & skf18("8","5","8","7","7","3","1") = "7"
    & skf18("8","5","8","7","7","4","1") = "7"
    & skf18("8","5","8","7","7","5","1") = "7"
    & skf18("8","5","8","7","7","6","1") = "7"
    & skf18("8","5","8","7","7","7","1") = "7"
    & skf18("8","5","8","7","7","8","1") = "7"
    & skf18("8","5","8","7","7","9","1") = "8"
    & skf18("8","5","8","7","7","10","1") = "9"
    & skf18("8","5","8","7","8","1","1") = "7"
    & skf18("8","5","8","7","8","2","1") = "7"
    & skf18("8","5","8","7","8","3","1") = "7"
    & skf18("8","5","8","7","8","4","1") = "7"
    & skf18("8","5","8","7","8","5","1") = "7"
    & skf18("8","5","8","7","8","6","1") = "7"
    & skf18("8","5","8","7","8","7","1") = "7"
    & skf18("8","5","8","7","8","8","1") = "7"
    & skf18("8","5","8","7","8","9","1") = "8"
    & skf18("8","5","8","7","8","10","1") = "9"
    & skf18("8","5","8","7","9","1","1") = "8"
    & skf18("8","5","8","7","9","2","1") = "8"
    & skf18("8","5","8","7","9","3","1") = "8"
    & skf18("8","5","8","7","9","4","1") = "8"
    & skf18("8","5","8","7","9","5","1") = "8"
    & skf18("8","5","8","7","9","6","1") = "8"
    & skf18("8","5","8","7","9","7","1") = "8"
    & skf18("8","5","8","7","9","8","1") = "8"
    & skf18("8","5","8","7","9","9","1") = "8"
    & skf18("8","5","8","7","9","10","1") = "9"
    & skf18("8","5","8","7","10","1","1") = "9"
    & skf18("8","5","8","7","10","2","1") = "9"
    & skf18("8","5","8","7","10","3","1") = "9"
    & skf18("8","5","8","7","10","4","1") = "9"
    & skf18("8","5","8","7","10","5","1") = "9"
    & skf18("8","5","8","7","10","6","1") = "9"
    & skf18("8","5","8","7","10","7","1") = "9"
    & skf18("8","5","8","7","10","8","1") = "9"
    & skf18("8","5","8","7","10","9","1") = "9"
    & skf18("8","5","8","7","10","10","1") = "9"
    & skf18("8","5","8","8","1","1","1") = "7"
    & skf18("8","5","8","8","1","2","1") = "7"
    & skf18("8","5","8","8","1","3","1") = "7"
    & skf18("8","5","8","8","1","4","1") = "7"
    & skf18("8","5","8","8","1","5","1") = "7"
    & skf18("8","5","8","8","1","6","1") = "7"
    & skf18("8","5","8","8","1","7","1") = "7"
    & skf18("8","5","8","8","1","8","1") = "7"
    & skf18("8","5","8","8","1","9","1") = "8"
    & skf18("8","5","8","8","1","10","1") = "9"
    & skf18("8","5","8","8","2","1","1") = "7"
    & skf18("8","5","8","8","2","2","1") = "7"
    & skf18("8","5","8","8","2","3","1") = "7"
    & skf18("8","5","8","8","2","4","1") = "7"
    & skf18("8","5","8","8","2","5","1") = "7"
    & skf18("8","5","8","8","2","6","1") = "7"
    & skf18("8","5","8","8","2","7","1") = "7"
    & skf18("8","5","8","8","2","8","1") = "7"
    & skf18("8","5","8","8","2","9","1") = "8"
    & skf18("8","5","8","8","2","10","1") = "9"
    & skf18("8","5","8","8","3","1","1") = "7"
    & skf18("8","5","8","8","3","2","1") = "7"
    & skf18("8","5","8","8","3","3","1") = "7"
    & skf18("8","5","8","8","3","4","1") = "7"
    & skf18("8","5","8","8","3","5","1") = "7"
    & skf18("8","5","8","8","3","6","1") = "7"
    & skf18("8","5","8","8","3","7","1") = "7"
    & skf18("8","5","8","8","3","8","1") = "7"
    & skf18("8","5","8","8","3","9","1") = "8"
    & skf18("8","5","8","8","3","10","1") = "9"
    & skf18("8","5","8","8","4","1","1") = "7"
    & skf18("8","5","8","8","4","2","1") = "7"
    & skf18("8","5","8","8","4","3","1") = "7"
    & skf18("8","5","8","8","4","4","1") = "7"
    & skf18("8","5","8","8","4","5","1") = "7"
    & skf18("8","5","8","8","4","6","1") = "7"
    & skf18("8","5","8","8","4","7","1") = "7"
    & skf18("8","5","8","8","4","8","1") = "7"
    & skf18("8","5","8","8","4","9","1") = "8"
    & skf18("8","5","8","8","4","10","1") = "9"
    & skf18("8","5","8","8","5","1","1") = "7"
    & skf18("8","5","8","8","5","2","1") = "7"
    & skf18("8","5","8","8","5","3","1") = "7"
    & skf18("8","5","8","8","5","4","1") = "7"
    & skf18("8","5","8","8","5","5","1") = "7"
    & skf18("8","5","8","8","5","6","1") = "7"
    & skf18("8","5","8","8","5","7","1") = "7"
    & skf18("8","5","8","8","5","8","1") = "7"
    & skf18("8","5","8","8","5","9","1") = "8"
    & skf18("8","5","8","8","5","10","1") = "9"
    & skf18("8","5","8","8","6","1","1") = "7"
    & skf18("8","5","8","8","6","2","1") = "7"
    & skf18("8","5","8","8","6","3","1") = "7"
    & skf18("8","5","8","8","6","4","1") = "7"
    & skf18("8","5","8","8","6","5","1") = "7"
    & skf18("8","5","8","8","6","6","1") = "7"
    & skf18("8","5","8","8","6","7","1") = "7"
    & skf18("8","5","8","8","6","8","1") = "7"
    & skf18("8","5","8","8","6","9","1") = "8"
    & skf18("8","5","8","8","6","10","1") = "9"
    & skf18("8","5","8","8","7","1","1") = "7"
    & skf18("8","5","8","8","7","2","1") = "7"
    & skf18("8","5","8","8","7","3","1") = "7"
    & skf18("8","5","8","8","7","4","1") = "7"
    & skf18("8","5","8","8","7","5","1") = "7"
    & skf18("8","5","8","8","7","6","1") = "7"
    & skf18("8","5","8","8","7","7","1") = "7"
    & skf18("8","5","8","8","7","8","1") = "7"
    & skf18("8","5","8","8","7","9","1") = "8"
    & skf18("8","5","8","8","7","10","1") = "9"
    & skf18("8","5","8","8","8","1","1") = "7"
    & skf18("8","5","8","8","8","2","1") = "7"
    & skf18("8","5","8","8","8","3","1") = "7"
    & skf18("8","5","8","8","8","4","1") = "7"
    & skf18("8","5","8","8","8","5","1") = "7"
    & skf18("8","5","8","8","8","6","1") = "7"
    & skf18("8","5","8","8","8","7","1") = "7"
    & skf18("8","5","8","8","8","8","1") = "7"
    & skf18("8","5","8","8","8","9","1") = "8"
    & skf18("8","5","8","8","8","10","1") = "9"
    & skf18("8","5","8","8","9","1","1") = "8"
    & skf18("8","5","8","8","9","2","1") = "8"
    & skf18("8","5","8","8","9","3","1") = "8"
    & skf18("8","5","8","8","9","4","1") = "8"
    & skf18("8","5","8","8","9","5","1") = "8"
    & skf18("8","5","8","8","9","6","1") = "8"
    & skf18("8","5","8","8","9","7","1") = "8"
    & skf18("8","5","8","8","9","8","1") = "8"
    & skf18("8","5","8","8","9","9","1") = "8"
    & skf18("8","5","8","8","9","10","1") = "9"
    & skf18("8","5","8","8","10","1","1") = "9"
    & skf18("8","5","8","8","10","2","1") = "9"
    & skf18("8","5","8","8","10","3","1") = "9"
    & skf18("8","5","8","8","10","4","1") = "9"
    & skf18("8","5","8","8","10","5","1") = "9"
    & skf18("8","5","8","8","10","6","1") = "9"
    & skf18("8","5","8","8","10","7","1") = "9"
    & skf18("8","5","8","8","10","8","1") = "9"
    & skf18("8","5","8","8","10","9","1") = "9"
    & skf18("8","5","8","8","10","10","1") = "9"
    & skf18("8","5","8","9","1","1","1") = "8"
    & skf18("8","5","8","9","1","2","1") = "8"
    & skf18("8","5","8","9","1","3","1") = "8"
    & skf18("8","5","8","9","1","4","1") = "8"
    & skf18("8","5","8","9","1","5","1") = "8"
    & skf18("8","5","8","9","1","6","1") = "8"
    & skf18("8","5","8","9","1","7","1") = "8"
    & skf18("8","5","8","9","1","8","1") = "8"
    & skf18("8","5","8","9","1","9","1") = "8"
    & skf18("8","5","8","9","1","10","1") = "9"
    & skf18("8","5","8","9","2","1","1") = "8"
    & skf18("8","5","8","9","2","2","1") = "8"
    & skf18("8","5","8","9","2","3","1") = "8"
    & skf18("8","5","8","9","2","4","1") = "8"
    & skf18("8","5","8","9","2","5","1") = "8"
    & skf18("8","5","8","9","2","6","1") = "8"
    & skf18("8","5","8","9","2","7","1") = "8"
    & skf18("8","5","8","9","2","8","1") = "8"
    & skf18("8","5","8","9","2","9","1") = "8"
    & skf18("8","5","8","9","2","10","1") = "9"
    & skf18("8","5","8","9","3","1","1") = "8"
    & skf18("8","5","8","9","3","2","1") = "8"
    & skf18("8","5","8","9","3","3","1") = "8"
    & skf18("8","5","8","9","3","4","1") = "8"
    & skf18("8","5","8","9","3","5","1") = "8"
    & skf18("8","5","8","9","3","6","1") = "8"
    & skf18("8","5","8","9","3","7","1") = "8"
    & skf18("8","5","8","9","3","8","1") = "8"
    & skf18("8","5","8","9","3","9","1") = "8"
    & skf18("8","5","8","9","3","10","1") = "9"
    & skf18("8","5","8","9","4","1","1") = "8"
    & skf18("8","5","8","9","4","2","1") = "8"
    & skf18("8","5","8","9","4","3","1") = "8"
    & skf18("8","5","8","9","4","4","1") = "8"
    & skf18("8","5","8","9","4","5","1") = "8"
    & skf18("8","5","8","9","4","6","1") = "8"
    & skf18("8","5","8","9","4","7","1") = "8"
    & skf18("8","5","8","9","4","8","1") = "8"
    & skf18("8","5","8","9","4","9","1") = "8"
    & skf18("8","5","8","9","4","10","1") = "9"
    & skf18("8","5","8","9","5","1","1") = "8"
    & skf18("8","5","8","9","5","2","1") = "8"
    & skf18("8","5","8","9","5","3","1") = "8"
    & skf18("8","5","8","9","5","4","1") = "8"
    & skf18("8","5","8","9","5","5","1") = "8"
    & skf18("8","5","8","9","5","6","1") = "8"
    & skf18("8","5","8","9","5","7","1") = "8"
    & skf18("8","5","8","9","5","8","1") = "8"
    & skf18("8","5","8","9","5","9","1") = "8"
    & skf18("8","5","8","9","5","10","1") = "9"
    & skf18("8","5","8","9","6","1","1") = "8"
    & skf18("8","5","8","9","6","2","1") = "8"
    & skf18("8","5","8","9","6","3","1") = "8"
    & skf18("8","5","8","9","6","4","1") = "8"
    & skf18("8","5","8","9","6","5","1") = "8"
    & skf18("8","5","8","9","6","6","1") = "8"
    & skf18("8","5","8","9","6","7","1") = "8"
    & skf18("8","5","8","9","6","8","1") = "8"
    & skf18("8","5","8","9","6","9","1") = "8"
    & skf18("8","5","8","9","6","10","1") = "9"
    & skf18("8","5","8","9","7","1","1") = "8"
    & skf18("8","5","8","9","7","2","1") = "8"
    & skf18("8","5","8","9","7","3","1") = "8"
    & skf18("8","5","8","9","7","4","1") = "8"
    & skf18("8","5","8","9","7","5","1") = "8"
    & skf18("8","5","8","9","7","6","1") = "8"
    & skf18("8","5","8","9","7","7","1") = "8"
    & skf18("8","5","8","9","7","8","1") = "8"
    & skf18("8","5","8","9","7","9","1") = "8"
    & skf18("8","5","8","9","7","10","1") = "9"
    & skf18("8","5","8","9","8","1","1") = "8"
    & skf18("8","5","8","9","8","2","1") = "8"
    & skf18("8","5","8","9","8","3","1") = "8"
    & skf18("8","5","8","9","8","4","1") = "8"
    & skf18("8","5","8","9","8","5","1") = "8"
    & skf18("8","5","8","9","8","6","1") = "8"
    & skf18("8","5","8","9","8","7","1") = "8"
    & skf18("8","5","8","9","8","8","1") = "8"
    & skf18("8","5","8","9","8","9","1") = "8"
    & skf18("8","5","8","9","8","10","1") = "9"
    & skf18("8","5","8","9","9","1","1") = "8"
    & skf18("8","5","8","9","9","2","1") = "8"
    & skf18("8","5","8","9","9","3","1") = "8"
    & skf18("8","5","8","9","9","4","1") = "8"
    & skf18("8","5","8","9","9","5","1") = "8"
    & skf18("8","5","8","9","9","6","1") = "8"
    & skf18("8","5","8","9","9","7","1") = "8"
    & skf18("8","5","8","9","9","8","1") = "8"
    & skf18("8","5","8","9","9","9","1") = "8"
    & skf18("8","5","8","9","9","10","1") = "9"
    & skf18("8","5","8","9","10","1","1") = "9"
    & skf18("8","5","8","9","10","2","1") = "9"
    & skf18("8","5","8","9","10","3","1") = "9"
    & skf18("8","5","8","9","10","4","1") = "9"
    & skf18("8","5","8","9","10","5","1") = "9"
    & skf18("8","5","8","9","10","6","1") = "9"
    & skf18("8","5","8","9","10","7","1") = "9"
    & skf18("8","5","8","9","10","8","1") = "9"
    & skf18("8","5","8","9","10","9","1") = "9"
    & skf18("8","5","8","9","10","10","1") = "9"
    & skf18("8","5","8","10","1","1","1") = "9"
    & skf18("8","5","8","10","1","2","1") = "9"
    & skf18("8","5","8","10","1","3","1") = "9"
    & skf18("8","5","8","10","1","4","1") = "9"
    & skf18("8","5","8","10","1","5","1") = "9"
    & skf18("8","5","8","10","1","6","1") = "9"
    & skf18("8","5","8","10","1","7","1") = "9"
    & skf18("8","5","8","10","1","8","1") = "9"
    & skf18("8","5","8","10","1","9","1") = "9"
    & skf18("8","5","8","10","1","10","1") = "9"
    & skf18("8","5","8","10","2","1","1") = "9"
    & skf18("8","5","8","10","2","2","1") = "9"
    & skf18("8","5","8","10","2","3","1") = "9"
    & skf18("8","5","8","10","2","4","1") = "9"
    & skf18("8","5","8","10","2","5","1") = "9"
    & skf18("8","5","8","10","2","6","1") = "9"
    & skf18("8","5","8","10","2","7","1") = "9"
    & skf18("8","5","8","10","2","8","1") = "9"
    & skf18("8","5","8","10","2","9","1") = "9"
    & skf18("8","5","8","10","2","10","1") = "9"
    & skf18("8","5","8","10","3","1","1") = "9"
    & skf18("8","5","8","10","3","2","1") = "9"
    & skf18("8","5","8","10","3","3","1") = "9"
    & skf18("8","5","8","10","3","4","1") = "9"
    & skf18("8","5","8","10","3","5","1") = "9"
    & skf18("8","5","8","10","3","6","1") = "9"
    & skf18("8","5","8","10","3","7","1") = "9"
    & skf18("8","5","8","10","3","8","1") = "9"
    & skf18("8","5","8","10","3","9","1") = "9"
    & skf18("8","5","8","10","3","10","1") = "9"
    & skf18("8","5","8","10","4","1","1") = "9"
    & skf18("8","5","8","10","4","2","1") = "9"
    & skf18("8","5","8","10","4","3","1") = "9"
    & skf18("8","5","8","10","4","4","1") = "9"
    & skf18("8","5","8","10","4","5","1") = "9"
    & skf18("8","5","8","10","4","6","1") = "9"
    & skf18("8","5","8","10","4","7","1") = "9"
    & skf18("8","5","8","10","4","8","1") = "9"
    & skf18("8","5","8","10","4","9","1") = "9"
    & skf18("8","5","8","10","4","10","1") = "9"
    & skf18("8","5","8","10","5","1","1") = "9"
    & skf18("8","5","8","10","5","2","1") = "9"
    & skf18("8","5","8","10","5","3","1") = "9"
    & skf18("8","5","8","10","5","4","1") = "9"
    & skf18("8","5","8","10","5","5","1") = "9"
    & skf18("8","5","8","10","5","6","1") = "9"
    & skf18("8","5","8","10","5","7","1") = "9"
    & skf18("8","5","8","10","5","8","1") = "9"
    & skf18("8","5","8","10","5","9","1") = "9"
    & skf18("8","5","8","10","5","10","1") = "9"
    & skf18("8","5","8","10","6","1","1") = "9"
    & skf18("8","5","8","10","6","2","1") = "9"
    & skf18("8","5","8","10","6","3","1") = "9"
    & skf18("8","5","8","10","6","4","1") = "9"
    & skf18("8","5","8","10","6","5","1") = "9"
    & skf18("8","5","8","10","6","6","1") = "9"
    & skf18("8","5","8","10","6","7","1") = "9"
    & skf18("8","5","8","10","6","8","1") = "9"
    & skf18("8","5","8","10","6","9","1") = "9"
    & skf18("8","5","8","10","6","10","1") = "9"
    & skf18("8","5","8","10","7","1","1") = "9"
    & skf18("8","5","8","10","7","2","1") = "9"
    & skf18("8","5","8","10","7","3","1") = "9"
    & skf18("8","5","8","10","7","4","1") = "9"
    & skf18("8","5","8","10","7","5","1") = "9"
    & skf18("8","5","8","10","7","6","1") = "9"
    & skf18("8","5","8","10","7","7","1") = "9"
    & skf18("8","5","8","10","7","8","1") = "9"
    & skf18("8","5","8","10","7","9","1") = "9"
    & skf18("8","5","8","10","7","10","1") = "9"
    & skf18("8","5","8","10","8","1","1") = "9"
    & skf18("8","5","8","10","8","2","1") = "9"
    & skf18("8","5","8","10","8","3","1") = "9"
    & skf18("8","5","8","10","8","4","1") = "9"
    & skf18("8","5","8","10","8","5","1") = "9"
    & skf18("8","5","8","10","8","6","1") = "9"
    & skf18("8","5","8","10","8","7","1") = "9"
    & skf18("8","5","8","10","8","8","1") = "9"
    & skf18("8","5","8","10","8","9","1") = "9"
    & skf18("8","5","8","10","8","10","1") = "9"
    & skf18("8","5","8","10","9","1","1") = "9"
    & skf18("8","5","8","10","9","2","1") = "9"
    & skf18("8","5","8","10","9","3","1") = "9"
    & skf18("8","5","8","10","9","4","1") = "9"
    & skf18("8","5","8","10","9","5","1") = "9"
    & skf18("8","5","8","10","9","6","1") = "9"
    & skf18("8","5","8","10","9","7","1") = "9"
    & skf18("8","5","8","10","9","8","1") = "9"
    & skf18("8","5","8","10","9","9","1") = "9"
    & skf18("8","5","8","10","9","10","1") = "9"
    & skf18("8","5","8","10","10","1","1") = "9"
    & skf18("8","5","8","10","10","2","1") = "9"
    & skf18("8","5","8","10","10","3","1") = "9"
    & skf18("8","5","8","10","10","4","1") = "9"
    & skf18("8","5","8","10","10","5","1") = "9"
    & skf18("8","5","8","10","10","6","1") = "9"
    & skf18("8","5","8","10","10","7","1") = "9"
    & skf18("8","5","8","10","10","8","1") = "9"
    & skf18("8","5","8","10","10","9","1") = "9"
    & skf18("8","5","8","10","10","10","1") = "9"
    & skf18("8","5","9","1","1","1","1") = "8"
    & skf18("8","5","9","1","1","2","1") = "8"
    & skf18("8","5","9","1","1","3","1") = "8"
    & skf18("8","5","9","1","1","4","1") = "8"
    & skf18("8","5","9","1","1","5","1") = "8"
    & skf18("8","5","9","1","1","6","1") = "8"
    & skf18("8","5","9","1","1","7","1") = "8"
    & skf18("8","5","9","1","1","8","1") = "8"
    & skf18("8","5","9","1","1","9","1") = "8"
    & skf18("8","5","9","1","1","10","1") = "9"
    & skf18("8","5","9","1","2","1","1") = "8"
    & skf18("8","5","9","1","2","2","1") = "8"
    & skf18("8","5","9","1","2","3","1") = "8"
    & skf18("8","5","9","1","2","4","1") = "8"
    & skf18("8","5","9","1","2","5","1") = "8"
    & skf18("8","5","9","1","2","6","1") = "8"
    & skf18("8","5","9","1","2","7","1") = "8"
    & skf18("8","5","9","1","2","8","1") = "8"
    & skf18("8","5","9","1","2","9","1") = "8"
    & skf18("8","5","9","1","2","10","1") = "9"
    & skf18("8","5","9","1","3","1","1") = "8"
    & skf18("8","5","9","1","3","2","1") = "8"
    & skf18("8","5","9","1","3","3","1") = "8"
    & skf18("8","5","9","1","3","4","1") = "8"
    & skf18("8","5","9","1","3","5","1") = "8"
    & skf18("8","5","9","1","3","6","1") = "8"
    & skf18("8","5","9","1","3","7","1") = "8"
    & skf18("8","5","9","1","3","8","1") = "8"
    & skf18("8","5","9","1","3","9","1") = "8"
    & skf18("8","5","9","1","3","10","1") = "9"
    & skf18("8","5","9","1","4","1","1") = "8"
    & skf18("8","5","9","1","4","2","1") = "8"
    & skf18("8","5","9","1","4","3","1") = "8"
    & skf18("8","5","9","1","4","4","1") = "8"
    & skf18("8","5","9","1","4","5","1") = "8"
    & skf18("8","5","9","1","4","6","1") = "8"
    & skf18("8","5","9","1","4","7","1") = "8"
    & skf18("8","5","9","1","4","8","1") = "8"
    & skf18("8","5","9","1","4","9","1") = "8"
    & skf18("8","5","9","1","4","10","1") = "9"
    & skf18("8","5","9","1","5","1","1") = "8"
    & skf18("8","5","9","1","5","2","1") = "8"
    & skf18("8","5","9","1","5","3","1") = "8"
    & skf18("8","5","9","1","5","4","1") = "8"
    & skf18("8","5","9","1","5","5","1") = "8"
    & skf18("8","5","9","1","5","6","1") = "8"
    & skf18("8","5","9","1","5","7","1") = "8"
    & skf18("8","5","9","1","5","8","1") = "8"
    & skf18("8","5","9","1","5","9","1") = "8"
    & skf18("8","5","9","1","5","10","1") = "9"
    & skf18("8","5","9","1","6","1","1") = "8"
    & skf18("8","5","9","1","6","2","1") = "8"
    & skf18("8","5","9","1","6","3","1") = "8"
    & skf18("8","5","9","1","6","4","1") = "8"
    & skf18("8","5","9","1","6","5","1") = "8"
    & skf18("8","5","9","1","6","6","1") = "8"
    & skf18("8","5","9","1","6","7","1") = "8"
    & skf18("8","5","9","1","6","8","1") = "8"
    & skf18("8","5","9","1","6","9","1") = "8"
    & skf18("8","5","9","1","6","10","1") = "9"
    & skf18("8","5","9","1","7","1","1") = "8"
    & skf18("8","5","9","1","7","2","1") = "8"
    & skf18("8","5","9","1","7","3","1") = "8"
    & skf18("8","5","9","1","7","4","1") = "8"
    & skf18("8","5","9","1","7","5","1") = "8"
    & skf18("8","5","9","1","7","6","1") = "8"
    & skf18("8","5","9","1","7","7","1") = "8"
    & skf18("8","5","9","1","7","8","1") = "8"
    & skf18("8","5","9","1","7","9","1") = "8"
    & skf18("8","5","9","1","7","10","1") = "9"
    & skf18("8","5","9","1","8","1","1") = "8"
    & skf18("8","5","9","1","8","2","1") = "8"
    & skf18("8","5","9","1","8","3","1") = "8"
    & skf18("8","5","9","1","8","4","1") = "8"
    & skf18("8","5","9","1","8","5","1") = "8"
    & skf18("8","5","9","1","8","6","1") = "8"
    & skf18("8","5","9","1","8","7","1") = "8"
    & skf18("8","5","9","1","8","8","1") = "8"
    & skf18("8","5","9","1","8","9","1") = "8"
    & skf18("8","5","9","1","8","10","1") = "9"
    & skf18("8","5","9","1","9","1","1") = "8"
    & skf18("8","5","9","1","9","2","1") = "8"
    & skf18("8","5","9","1","9","3","1") = "8"
    & skf18("8","5","9","1","9","4","1") = "8"
    & skf18("8","5","9","1","9","5","1") = "8"
    & skf18("8","5","9","1","9","6","1") = "8"
    & skf18("8","5","9","1","9","7","1") = "8"
    & skf18("8","5","9","1","9","8","1") = "8"
    & skf18("8","5","9","1","9","9","1") = "8"
    & skf18("8","5","9","1","9","10","1") = "9"
    & skf18("8","5","9","1","10","1","1") = "9"
    & skf18("8","5","9","1","10","2","1") = "9"
    & skf18("8","5","9","1","10","3","1") = "9"
    & skf18("8","5","9","1","10","4","1") = "9"
    & skf18("8","5","9","1","10","5","1") = "9"
    & skf18("8","5","9","1","10","6","1") = "9"
    & skf18("8","5","9","1","10","7","1") = "9"
    & skf18("8","5","9","1","10","8","1") = "9"
    & skf18("8","5","9","1","10","9","1") = "9"
    & skf18("8","5","9","1","10","10","1") = "9"
    & skf18("8","5","9","2","1","1","1") = "8"
    & skf18("8","5","9","2","1","2","1") = "8"
    & skf18("8","5","9","2","1","3","1") = "8"
    & skf18("8","5","9","2","1","4","1") = "8"
    & skf18("8","5","9","2","1","5","1") = "8"
    & skf18("8","5","9","2","1","6","1") = "8"
    & skf18("8","5","9","2","1","7","1") = "8"
    & skf18("8","5","9","2","1","8","1") = "8"
    & skf18("8","5","9","2","1","9","1") = "8"
    & skf18("8","5","9","2","1","10","1") = "9"
    & skf18("8","5","9","2","2","1","1") = "8"
    & skf18("8","5","9","2","2","2","1") = "8"
    & skf18("8","5","9","2","2","3","1") = "8"
    & skf18("8","5","9","2","2","4","1") = "8"
    & skf18("8","5","9","2","2","5","1") = "8"
    & skf18("8","5","9","2","2","6","1") = "8"
    & skf18("8","5","9","2","2","7","1") = "8"
    & skf18("8","5","9","2","2","8","1") = "8"
    & skf18("8","5","9","2","2","9","1") = "8"
    & skf18("8","5","9","2","2","10","1") = "9"
    & skf18("8","5","9","2","3","1","1") = "8"
    & skf18("8","5","9","2","3","2","1") = "8"
    & skf18("8","5","9","2","3","3","1") = "8"
    & skf18("8","5","9","2","3","4","1") = "8"
    & skf18("8","5","9","2","3","5","1") = "8"
    & skf18("8","5","9","2","3","6","1") = "8"
    & skf18("8","5","9","2","3","7","1") = "8"
    & skf18("8","5","9","2","3","8","1") = "8"
    & skf18("8","5","9","2","3","9","1") = "8"
    & skf18("8","5","9","2","3","10","1") = "9"
    & skf18("8","5","9","2","4","1","1") = "8"
    & skf18("8","5","9","2","4","2","1") = "8"
    & skf18("8","5","9","2","4","3","1") = "8"
    & skf18("8","5","9","2","4","4","1") = "8"
    & skf18("8","5","9","2","4","5","1") = "8"
    & skf18("8","5","9","2","4","6","1") = "8"
    & skf18("8","5","9","2","4","7","1") = "8"
    & skf18("8","5","9","2","4","8","1") = "8"
    & skf18("8","5","9","2","4","9","1") = "8"
    & skf18("8","5","9","2","4","10","1") = "9"
    & skf18("8","5","9","2","5","1","1") = "8"
    & skf18("8","5","9","2","5","2","1") = "8"
    & skf18("8","5","9","2","5","3","1") = "8"
    & skf18("8","5","9","2","5","4","1") = "8"
    & skf18("8","5","9","2","5","5","1") = "8"
    & skf18("8","5","9","2","5","6","1") = "8"
    & skf18("8","5","9","2","5","7","1") = "8"
    & skf18("8","5","9","2","5","8","1") = "8"
    & skf18("8","5","9","2","5","9","1") = "8"
    & skf18("8","5","9","2","5","10","1") = "9"
    & skf18("8","5","9","2","6","1","1") = "8"
    & skf18("8","5","9","2","6","2","1") = "8"
    & skf18("8","5","9","2","6","3","1") = "8"
    & skf18("8","5","9","2","6","4","1") = "8"
    & skf18("8","5","9","2","6","5","1") = "8"
    & skf18("8","5","9","2","6","6","1") = "8"
    & skf18("8","5","9","2","6","7","1") = "8"
    & skf18("8","5","9","2","6","8","1") = "8"
    & skf18("8","5","9","2","6","9","1") = "8"
    & skf18("8","5","9","2","6","10","1") = "9"
    & skf18("8","5","9","2","7","1","1") = "8"
    & skf18("8","5","9","2","7","2","1") = "8"
    & skf18("8","5","9","2","7","3","1") = "8"
    & skf18("8","5","9","2","7","4","1") = "8"
    & skf18("8","5","9","2","7","5","1") = "8"
    & skf18("8","5","9","2","7","6","1") = "8"
    & skf18("8","5","9","2","7","7","1") = "8"
    & skf18("8","5","9","2","7","8","1") = "8"
    & skf18("8","5","9","2","7","9","1") = "8"
    & skf18("8","5","9","2","7","10","1") = "9"
    & skf18("8","5","9","2","8","1","1") = "8"
    & skf18("8","5","9","2","8","2","1") = "8"
    & skf18("8","5","9","2","8","3","1") = "8"
    & skf18("8","5","9","2","8","4","1") = "8"
    & skf18("8","5","9","2","8","5","1") = "8"
    & skf18("8","5","9","2","8","6","1") = "8"
    & skf18("8","5","9","2","8","7","1") = "8"
    & skf18("8","5","9","2","8","8","1") = "8"
    & skf18("8","5","9","2","8","9","1") = "8"
    & skf18("8","5","9","2","8","10","1") = "9"
    & skf18("8","5","9","2","9","1","1") = "8"
    & skf18("8","5","9","2","9","2","1") = "8"
    & skf18("8","5","9","2","9","3","1") = "8"
    & skf18("8","5","9","2","9","4","1") = "8"
    & skf18("8","5","9","2","9","5","1") = "8"
    & skf18("8","5","9","2","9","6","1") = "8"
    & skf18("8","5","9","2","9","7","1") = "8"
    & skf18("8","5","9","2","9","8","1") = "8"
    & skf18("8","5","9","2","9","9","1") = "8"
    & skf18("8","5","9","2","9","10","1") = "9"
    & skf18("8","5","9","2","10","1","1") = "9"
    & skf18("8","5","9","2","10","2","1") = "9"
    & skf18("8","5","9","2","10","3","1") = "9"
    & skf18("8","5","9","2","10","4","1") = "9"
    & skf18("8","5","9","2","10","5","1") = "9"
    & skf18("8","5","9","2","10","6","1") = "9"
    & skf18("8","5","9","2","10","7","1") = "9"
    & skf18("8","5","9","2","10","8","1") = "9"
    & skf18("8","5","9","2","10","9","1") = "9"
    & skf18("8","5","9","2","10","10","1") = "9"
    & skf18("8","5","9","3","1","1","1") = "8"
    & skf18("8","5","9","3","1","2","1") = "8"
    & skf18("8","5","9","3","1","3","1") = "8"
    & skf18("8","5","9","3","1","4","1") = "8"
    & skf18("8","5","9","3","1","5","1") = "8"
    & skf18("8","5","9","3","1","6","1") = "8"
    & skf18("8","5","9","3","1","7","1") = "8"
    & skf18("8","5","9","3","1","8","1") = "8"
    & skf18("8","5","9","3","1","9","1") = "8"
    & skf18("8","5","9","3","1","10","1") = "9"
    & skf18("8","5","9","3","2","1","1") = "8"
    & skf18("8","5","9","3","2","2","1") = "8"
    & skf18("8","5","9","3","2","3","1") = "8"
    & skf18("8","5","9","3","2","4","1") = "8"
    & skf18("8","5","9","3","2","5","1") = "8"
    & skf18("8","5","9","3","2","6","1") = "8"
    & skf18("8","5","9","3","2","7","1") = "8"
    & skf18("8","5","9","3","2","8","1") = "8"
    & skf18("8","5","9","3","2","9","1") = "8"
    & skf18("8","5","9","3","2","10","1") = "9"
    & skf18("8","5","9","3","3","1","1") = "8"
    & skf18("8","5","9","3","3","2","1") = "8"
    & skf18("8","5","9","3","3","3","1") = "8"
    & skf18("8","5","9","3","3","4","1") = "8"
    & skf18("8","5","9","3","3","5","1") = "8"
    & skf18("8","5","9","3","3","6","1") = "8"
    & skf18("8","5","9","3","3","7","1") = "8"
    & skf18("8","5","9","3","3","8","1") = "8"
    & skf18("8","5","9","3","3","9","1") = "8"
    & skf18("8","5","9","3","3","10","1") = "9"
    & skf18("8","5","9","3","4","1","1") = "8"
    & skf18("8","5","9","3","4","2","1") = "8"
    & skf18("8","5","9","3","4","3","1") = "8"
    & skf18("8","5","9","3","4","4","1") = "8"
    & skf18("8","5","9","3","4","5","1") = "8"
    & skf18("8","5","9","3","4","6","1") = "8"
    & skf18("8","5","9","3","4","7","1") = "8"
    & skf18("8","5","9","3","4","8","1") = "8"
    & skf18("8","5","9","3","4","9","1") = "8"
    & skf18("8","5","9","3","4","10","1") = "9"
    & skf18("8","5","9","3","5","1","1") = "8"
    & skf18("8","5","9","3","5","2","1") = "8"
    & skf18("8","5","9","3","5","3","1") = "8"
    & skf18("8","5","9","3","5","4","1") = "8"
    & skf18("8","5","9","3","5","5","1") = "8"
    & skf18("8","5","9","3","5","6","1") = "8"
    & skf18("8","5","9","3","5","7","1") = "8"
    & skf18("8","5","9","3","5","8","1") = "8"
    & skf18("8","5","9","3","5","9","1") = "8"
    & skf18("8","5","9","3","5","10","1") = "9"
    & skf18("8","5","9","3","6","1","1") = "8"
    & skf18("8","5","9","3","6","2","1") = "8"
    & skf18("8","5","9","3","6","3","1") = "8"
    & skf18("8","5","9","3","6","4","1") = "8"
    & skf18("8","5","9","3","6","5","1") = "8"
    & skf18("8","5","9","3","6","6","1") = "8"
    & skf18("8","5","9","3","6","7","1") = "8"
    & skf18("8","5","9","3","6","8","1") = "8"
    & skf18("8","5","9","3","6","9","1") = "8"
    & skf18("8","5","9","3","6","10","1") = "9"
    & skf18("8","5","9","3","7","1","1") = "8"
    & skf18("8","5","9","3","7","2","1") = "8"
    & skf18("8","5","9","3","7","3","1") = "8"
    & skf18("8","5","9","3","7","4","1") = "8"
    & skf18("8","5","9","3","7","5","1") = "8"
    & skf18("8","5","9","3","7","6","1") = "8"
    & skf18("8","5","9","3","7","7","1") = "8"
    & skf18("8","5","9","3","7","8","1") = "8"
    & skf18("8","5","9","3","7","9","1") = "8"
    & skf18("8","5","9","3","7","10","1") = "9"
    & skf18("8","5","9","3","8","1","1") = "8"
    & skf18("8","5","9","3","8","2","1") = "8"
    & skf18("8","5","9","3","8","3","1") = "8"
    & skf18("8","5","9","3","8","4","1") = "8"
    & skf18("8","5","9","3","8","5","1") = "8"
    & skf18("8","5","9","3","8","6","1") = "8"
    & skf18("8","5","9","3","8","7","1") = "8"
    & skf18("8","5","9","3","8","8","1") = "8"
    & skf18("8","5","9","3","8","9","1") = "8"
    & skf18("8","5","9","3","8","10","1") = "9"
    & skf18("8","5","9","3","9","1","1") = "8"
    & skf18("8","5","9","3","9","2","1") = "8"
    & skf18("8","5","9","3","9","3","1") = "8"
    & skf18("8","5","9","3","9","4","1") = "8"
    & skf18("8","5","9","3","9","5","1") = "8"
    & skf18("8","5","9","3","9","6","1") = "8"
    & skf18("8","5","9","3","9","7","1") = "8"
    & skf18("8","5","9","3","9","8","1") = "8"
    & skf18("8","5","9","3","9","9","1") = "8"
    & skf18("8","5","9","3","9","10","1") = "9"
    & skf18("8","5","9","3","10","1","1") = "9"
    & skf18("8","5","9","3","10","2","1") = "9"
    & skf18("8","5","9","3","10","3","1") = "9"
    & skf18("8","5","9","3","10","4","1") = "9"
    & skf18("8","5","9","3","10","5","1") = "9"
    & skf18("8","5","9","3","10","6","1") = "9"
    & skf18("8","5","9","3","10","7","1") = "9"
    & skf18("8","5","9","3","10","8","1") = "9"
    & skf18("8","5","9","3","10","9","1") = "9"
    & skf18("8","5","9","3","10","10","1") = "9"
    & skf18("8","5","9","4","1","1","1") = "8"
    & skf18("8","5","9","4","1","2","1") = "8"
    & skf18("8","5","9","4","1","3","1") = "8"
    & skf18("8","5","9","4","1","4","1") = "8"
    & skf18("8","5","9","4","1","5","1") = "8"
    & skf18("8","5","9","4","1","6","1") = "8"
    & skf18("8","5","9","4","1","7","1") = "8"
    & skf18("8","5","9","4","1","8","1") = "8"
    & skf18("8","5","9","4","1","9","1") = "8"
    & skf18("8","5","9","4","1","10","1") = "9"
    & skf18("8","5","9","4","2","1","1") = "8"
    & skf18("8","5","9","4","2","2","1") = "8"
    & skf18("8","5","9","4","2","3","1") = "8"
    & skf18("8","5","9","4","2","4","1") = "8"
    & skf18("8","5","9","4","2","5","1") = "8"
    & skf18("8","5","9","4","2","6","1") = "8"
    & skf18("8","5","9","4","2","7","1") = "8"
    & skf18("8","5","9","4","2","8","1") = "8"
    & skf18("8","5","9","4","2","9","1") = "8"
    & skf18("8","5","9","4","2","10","1") = "9"
    & skf18("8","5","9","4","3","1","1") = "8"
    & skf18("8","5","9","4","3","2","1") = "8"
    & skf18("8","5","9","4","3","3","1") = "8"
    & skf18("8","5","9","4","3","4","1") = "8"
    & skf18("8","5","9","4","3","5","1") = "8"
    & skf18("8","5","9","4","3","6","1") = "8"
    & skf18("8","5","9","4","3","7","1") = "8"
    & skf18("8","5","9","4","3","8","1") = "8"
    & skf18("8","5","9","4","3","9","1") = "8"
    & skf18("8","5","9","4","3","10","1") = "9"
    & skf18("8","5","9","4","4","1","1") = "8"
    & skf18("8","5","9","4","4","2","1") = "8"
    & skf18("8","5","9","4","4","3","1") = "8"
    & skf18("8","5","9","4","4","4","1") = "8"
    & skf18("8","5","9","4","4","5","1") = "8"
    & skf18("8","5","9","4","4","6","1") = "8"
    & skf18("8","5","9","4","4","7","1") = "8"
    & skf18("8","5","9","4","4","8","1") = "8"
    & skf18("8","5","9","4","4","9","1") = "8"
    & skf18("8","5","9","4","4","10","1") = "9"
    & skf18("8","5","9","4","5","1","1") = "8"
    & skf18("8","5","9","4","5","2","1") = "8"
    & skf18("8","5","9","4","5","3","1") = "8"
    & skf18("8","5","9","4","5","4","1") = "8"
    & skf18("8","5","9","4","5","5","1") = "8"
    & skf18("8","5","9","4","5","6","1") = "8"
    & skf18("8","5","9","4","5","7","1") = "8"
    & skf18("8","5","9","4","5","8","1") = "8"
    & skf18("8","5","9","4","5","9","1") = "8"
    & skf18("8","5","9","4","5","10","1") = "9"
    & skf18("8","5","9","4","6","1","1") = "8"
    & skf18("8","5","9","4","6","2","1") = "8"
    & skf18("8","5","9","4","6","3","1") = "8"
    & skf18("8","5","9","4","6","4","1") = "8"
    & skf18("8","5","9","4","6","5","1") = "8"
    & skf18("8","5","9","4","6","6","1") = "8"
    & skf18("8","5","9","4","6","7","1") = "8"
    & skf18("8","5","9","4","6","8","1") = "8"
    & skf18("8","5","9","4","6","9","1") = "8"
    & skf18("8","5","9","4","6","10","1") = "9"
    & skf18("8","5","9","4","7","1","1") = "8"
    & skf18("8","5","9","4","7","2","1") = "8"
    & skf18("8","5","9","4","7","3","1") = "8"
    & skf18("8","5","9","4","7","4","1") = "8"
    & skf18("8","5","9","4","7","5","1") = "8"
    & skf18("8","5","9","4","7","6","1") = "8"
    & skf18("8","5","9","4","7","7","1") = "8"
    & skf18("8","5","9","4","7","8","1") = "8"
    & skf18("8","5","9","4","7","9","1") = "8"
    & skf18("8","5","9","4","7","10","1") = "9"
    & skf18("8","5","9","4","8","1","1") = "8"
    & skf18("8","5","9","4","8","2","1") = "8"
    & skf18("8","5","9","4","8","3","1") = "8"
    & skf18("8","5","9","4","8","4","1") = "8"
    & skf18("8","5","9","4","8","5","1") = "8"
    & skf18("8","5","9","4","8","6","1") = "8"
    & skf18("8","5","9","4","8","7","1") = "8"
    & skf18("8","5","9","4","8","8","1") = "8"
    & skf18("8","5","9","4","8","9","1") = "8"
    & skf18("8","5","9","4","8","10","1") = "9"
    & skf18("8","5","9","4","9","1","1") = "8"
    & skf18("8","5","9","4","9","2","1") = "8"
    & skf18("8","5","9","4","9","3","1") = "8"
    & skf18("8","5","9","4","9","4","1") = "8"
    & skf18("8","5","9","4","9","5","1") = "8"
    & skf18("8","5","9","4","9","6","1") = "8"
    & skf18("8","5","9","4","9","7","1") = "8"
    & skf18("8","5","9","4","9","8","1") = "8"
    & skf18("8","5","9","4","9","9","1") = "8"
    & skf18("8","5","9","4","9","10","1") = "9"
    & skf18("8","5","9","4","10","1","1") = "9"
    & skf18("8","5","9","4","10","2","1") = "9"
    & skf18("8","5","9","4","10","3","1") = "9"
    & skf18("8","5","9","4","10","4","1") = "9"
    & skf18("8","5","9","4","10","5","1") = "9"
    & skf18("8","5","9","4","10","6","1") = "9"
    & skf18("8","5","9","4","10","7","1") = "9"
    & skf18("8","5","9","4","10","8","1") = "9"
    & skf18("8","5","9","4","10","9","1") = "9"
    & skf18("8","5","9","4","10","10","1") = "9"
    & skf18("8","5","9","5","1","1","1") = "8"
    & skf18("8","5","9","5","1","2","1") = "8"
    & skf18("8","5","9","5","1","3","1") = "8"
    & skf18("8","5","9","5","1","4","1") = "8"
    & skf18("8","5","9","5","1","5","1") = "8"
    & skf18("8","5","9","5","1","6","1") = "8"
    & skf18("8","5","9","5","1","7","1") = "8"
    & skf18("8","5","9","5","1","8","1") = "8"
    & skf18("8","5","9","5","1","9","1") = "8"
    & skf18("8","5","9","5","1","10","1") = "9"
    & skf18("8","5","9","5","2","1","1") = "8"
    & skf18("8","5","9","5","2","2","1") = "8"
    & skf18("8","5","9","5","2","3","1") = "8"
    & skf18("8","5","9","5","2","4","1") = "8"
    & skf18("8","5","9","5","2","5","1") = "8"
    & skf18("8","5","9","5","2","6","1") = "8"
    & skf18("8","5","9","5","2","7","1") = "8"
    & skf18("8","5","9","5","2","8","1") = "8"
    & skf18("8","5","9","5","2","9","1") = "8"
    & skf18("8","5","9","5","2","10","1") = "9"
    & skf18("8","5","9","5","3","1","1") = "8"
    & skf18("8","5","9","5","3","2","1") = "8"
    & skf18("8","5","9","5","3","3","1") = "8"
    & skf18("8","5","9","5","3","4","1") = "8"
    & skf18("8","5","9","5","3","5","1") = "8"
    & skf18("8","5","9","5","3","6","1") = "8"
    & skf18("8","5","9","5","3","7","1") = "8"
    & skf18("8","5","9","5","3","8","1") = "8"
    & skf18("8","5","9","5","3","9","1") = "8"
    & skf18("8","5","9","5","3","10","1") = "9"
    & skf18("8","5","9","5","4","1","1") = "8"
    & skf18("8","5","9","5","4","2","1") = "8"
    & skf18("8","5","9","5","4","3","1") = "8"
    & skf18("8","5","9","5","4","4","1") = "8"
    & skf18("8","5","9","5","4","5","1") = "8"
    & skf18("8","5","9","5","4","6","1") = "8"
    & skf18("8","5","9","5","4","7","1") = "8"
    & skf18("8","5","9","5","4","8","1") = "8"
    & skf18("8","5","9","5","4","9","1") = "8"
    & skf18("8","5","9","5","4","10","1") = "9"
    & skf18("8","5","9","5","5","1","1") = "8"
    & skf18("8","5","9","5","5","2","1") = "8"
    & skf18("8","5","9","5","5","3","1") = "8"
    & skf18("8","5","9","5","5","4","1") = "8"
    & skf18("8","5","9","5","5","5","1") = "8"
    & skf18("8","5","9","5","5","6","1") = "8"
    & skf18("8","5","9","5","5","7","1") = "8"
    & skf18("8","5","9","5","5","8","1") = "8"
    & skf18("8","5","9","5","5","9","1") = "8"
    & skf18("8","5","9","5","5","10","1") = "9"
    & skf18("8","5","9","5","6","1","1") = "8"
    & skf18("8","5","9","5","6","2","1") = "8"
    & skf18("8","5","9","5","6","3","1") = "8"
    & skf18("8","5","9","5","6","4","1") = "8"
    & skf18("8","5","9","5","6","5","1") = "8"
    & skf18("8","5","9","5","6","6","1") = "8"
    & skf18("8","5","9","5","6","7","1") = "8"
    & skf18("8","5","9","5","6","8","1") = "8"
    & skf18("8","5","9","5","6","9","1") = "8"
    & skf18("8","5","9","5","6","10","1") = "9"
    & skf18("8","5","9","5","7","1","1") = "8"
    & skf18("8","5","9","5","7","2","1") = "8"
    & skf18("8","5","9","5","7","3","1") = "8"
    & skf18("8","5","9","5","7","4","1") = "8"
    & skf18("8","5","9","5","7","5","1") = "8"
    & skf18("8","5","9","5","7","6","1") = "8"
    & skf18("8","5","9","5","7","7","1") = "8"
    & skf18("8","5","9","5","7","8","1") = "8"
    & skf18("8","5","9","5","7","9","1") = "8"
    & skf18("8","5","9","5","7","10","1") = "9"
    & skf18("8","5","9","5","8","1","1") = "8"
    & skf18("8","5","9","5","8","2","1") = "8"
    & skf18("8","5","9","5","8","3","1") = "8"
    & skf18("8","5","9","5","8","4","1") = "8"
    & skf18("8","5","9","5","8","5","1") = "8"
    & skf18("8","5","9","5","8","6","1") = "8"
    & skf18("8","5","9","5","8","7","1") = "8"
    & skf18("8","5","9","5","8","8","1") = "8"
    & skf18("8","5","9","5","8","9","1") = "8"
    & skf18("8","5","9","5","8","10","1") = "9"
    & skf18("8","5","9","5","9","1","1") = "8"
    & skf18("8","5","9","5","9","2","1") = "8"
    & skf18("8","5","9","5","9","3","1") = "8"
    & skf18("8","5","9","5","9","4","1") = "8"
    & skf18("8","5","9","5","9","5","1") = "8"
    & skf18("8","5","9","5","9","6","1") = "8"
    & skf18("8","5","9","5","9","7","1") = "8"
    & skf18("8","5","9","5","9","8","1") = "8"
    & skf18("8","5","9","5","9","9","1") = "8"
    & skf18("8","5","9","5","9","10","1") = "9"
    & skf18("8","5","9","5","10","1","1") = "9"
    & skf18("8","5","9","5","10","2","1") = "9"
    & skf18("8","5","9","5","10","3","1") = "9"
    & skf18("8","5","9","5","10","4","1") = "9"
    & skf18("8","5","9","5","10","5","1") = "9"
    & skf18("8","5","9","5","10","6","1") = "9"
    & skf18("8","5","9","5","10","7","1") = "9"
    & skf18("8","5","9","5","10","8","1") = "9"
    & skf18("8","5","9","5","10","9","1") = "9"
    & skf18("8","5","9","5","10","10","1") = "9"
    & skf18("8","5","9","6","1","1","1") = "8"
    & skf18("8","5","9","6","1","2","1") = "8"
    & skf18("8","5","9","6","1","3","1") = "8"
    & skf18("8","5","9","6","1","4","1") = "8"
    & skf18("8","5","9","6","1","5","1") = "8"
    & skf18("8","5","9","6","1","6","1") = "8"
    & skf18("8","5","9","6","1","7","1") = "8"
    & skf18("8","5","9","6","1","8","1") = "8"
    & skf18("8","5","9","6","1","9","1") = "8"
    & skf18("8","5","9","6","1","10","1") = "9"
    & skf18("8","5","9","6","2","1","1") = "8"
    & skf18("8","5","9","6","2","2","1") = "8"
    & skf18("8","5","9","6","2","3","1") = "8"
    & skf18("8","5","9","6","2","4","1") = "8"
    & skf18("8","5","9","6","2","5","1") = "8"
    & skf18("8","5","9","6","2","6","1") = "8"
    & skf18("8","5","9","6","2","7","1") = "8"
    & skf18("8","5","9","6","2","8","1") = "8"
    & skf18("8","5","9","6","2","9","1") = "8"
    & skf18("8","5","9","6","2","10","1") = "9"
    & skf18("8","5","9","6","3","1","1") = "8"
    & skf18("8","5","9","6","3","2","1") = "8"
    & skf18("8","5","9","6","3","3","1") = "8"
    & skf18("8","5","9","6","3","4","1") = "8"
    & skf18("8","5","9","6","3","5","1") = "8"
    & skf18("8","5","9","6","3","6","1") = "8"
    & skf18("8","5","9","6","3","7","1") = "8"
    & skf18("8","5","9","6","3","8","1") = "8"
    & skf18("8","5","9","6","3","9","1") = "8"
    & skf18("8","5","9","6","3","10","1") = "9"
    & skf18("8","5","9","6","4","1","1") = "8"
    & skf18("8","5","9","6","4","2","1") = "8"
    & skf18("8","5","9","6","4","3","1") = "8"
    & skf18("8","5","9","6","4","4","1") = "8"
    & skf18("8","5","9","6","4","5","1") = "8"
    & skf18("8","5","9","6","4","6","1") = "8"
    & skf18("8","5","9","6","4","7","1") = "8"
    & skf18("8","5","9","6","4","8","1") = "8"
    & skf18("8","5","9","6","4","9","1") = "8"
    & skf18("8","5","9","6","4","10","1") = "9"
    & skf18("8","5","9","6","5","1","1") = "8"
    & skf18("8","5","9","6","5","2","1") = "8"
    & skf18("8","5","9","6","5","3","1") = "8"
    & skf18("8","5","9","6","5","4","1") = "8"
    & skf18("8","5","9","6","5","5","1") = "8"
    & skf18("8","5","9","6","5","6","1") = "8"
    & skf18("8","5","9","6","5","7","1") = "8"
    & skf18("8","5","9","6","5","8","1") = "8"
    & skf18("8","5","9","6","5","9","1") = "8"
    & skf18("8","5","9","6","5","10","1") = "9"
    & skf18("8","5","9","6","6","1","1") = "8"
    & skf18("8","5","9","6","6","2","1") = "8"
    & skf18("8","5","9","6","6","3","1") = "8"
    & skf18("8","5","9","6","6","4","1") = "8"
    & skf18("8","5","9","6","6","5","1") = "8"
    & skf18("8","5","9","6","6","6","1") = "8"
    & skf18("8","5","9","6","6","7","1") = "8"
    & skf18("8","5","9","6","6","8","1") = "8"
    & skf18("8","5","9","6","6","9","1") = "8"
    & skf18("8","5","9","6","6","10","1") = "9"
    & skf18("8","5","9","6","7","1","1") = "8"
    & skf18("8","5","9","6","7","2","1") = "8"
    & skf18("8","5","9","6","7","3","1") = "8"
    & skf18("8","5","9","6","7","4","1") = "8"
    & skf18("8","5","9","6","7","5","1") = "8"
    & skf18("8","5","9","6","7","6","1") = "8"
    & skf18("8","5","9","6","7","7","1") = "8"
    & skf18("8","5","9","6","7","8","1") = "8"
    & skf18("8","5","9","6","7","9","1") = "8"
    & skf18("8","5","9","6","7","10","1") = "9"
    & skf18("8","5","9","6","8","1","1") = "8"
    & skf18("8","5","9","6","8","2","1") = "8"
    & skf18("8","5","9","6","8","3","1") = "8"
    & skf18("8","5","9","6","8","4","1") = "8"
    & skf18("8","5","9","6","8","5","1") = "8"
    & skf18("8","5","9","6","8","6","1") = "8"
    & skf18("8","5","9","6","8","7","1") = "8"
    & skf18("8","5","9","6","8","8","1") = "8"
    & skf18("8","5","9","6","8","9","1") = "8"
    & skf18("8","5","9","6","8","10","1") = "9"
    & skf18("8","5","9","6","9","1","1") = "8"
    & skf18("8","5","9","6","9","2","1") = "8"
    & skf18("8","5","9","6","9","3","1") = "8"
    & skf18("8","5","9","6","9","4","1") = "8"
    & skf18("8","5","9","6","9","5","1") = "8"
    & skf18("8","5","9","6","9","6","1") = "8"
    & skf18("8","5","9","6","9","7","1") = "8"
    & skf18("8","5","9","6","9","8","1") = "8"
    & skf18("8","5","9","6","9","9","1") = "8"
    & skf18("8","5","9","6","9","10","1") = "9"
    & skf18("8","5","9","6","10","1","1") = "9"
    & skf18("8","5","9","6","10","2","1") = "9"
    & skf18("8","5","9","6","10","3","1") = "9"
    & skf18("8","5","9","6","10","4","1") = "9"
    & skf18("8","5","9","6","10","5","1") = "9"
    & skf18("8","5","9","6","10","6","1") = "9"
    & skf18("8","5","9","6","10","7","1") = "9"
    & skf18("8","5","9","6","10","8","1") = "9"
    & skf18("8","5","9","6","10","9","1") = "9"
    & skf18("8","5","9","6","10","10","1") = "9"
    & skf18("8","5","9","7","1","1","1") = "8"
    & skf18("8","5","9","7","1","2","1") = "8"
    & skf18("8","5","9","7","1","3","1") = "8"
    & skf18("8","5","9","7","1","4","1") = "8"
    & skf18("8","5","9","7","1","5","1") = "8"
    & skf18("8","5","9","7","1","6","1") = "8"
    & skf18("8","5","9","7","1","7","1") = "8"
    & skf18("8","5","9","7","1","8","1") = "8"
    & skf18("8","5","9","7","1","9","1") = "8"
    & skf18("8","5","9","7","1","10","1") = "9"
    & skf18("8","5","9","7","2","1","1") = "8"
    & skf18("8","5","9","7","2","2","1") = "8"
    & skf18("8","5","9","7","2","3","1") = "8"
    & skf18("8","5","9","7","2","4","1") = "8"
    & skf18("8","5","9","7","2","5","1") = "8"
    & skf18("8","5","9","7","2","6","1") = "8"
    & skf18("8","5","9","7","2","7","1") = "8"
    & skf18("8","5","9","7","2","8","1") = "8"
    & skf18("8","5","9","7","2","9","1") = "8"
    & skf18("8","5","9","7","2","10","1") = "9"
    & skf18("8","5","9","7","3","1","1") = "8"
    & skf18("8","5","9","7","3","2","1") = "8"
    & skf18("8","5","9","7","3","3","1") = "8"
    & skf18("8","5","9","7","3","4","1") = "8"
    & skf18("8","5","9","7","3","5","1") = "8"
    & skf18("8","5","9","7","3","6","1") = "8"
    & skf18("8","5","9","7","3","7","1") = "8"
    & skf18("8","5","9","7","3","8","1") = "8"
    & skf18("8","5","9","7","3","9","1") = "8"
    & skf18("8","5","9","7","3","10","1") = "9"
    & skf18("8","5","9","7","4","1","1") = "8"
    & skf18("8","5","9","7","4","2","1") = "8"
    & skf18("8","5","9","7","4","3","1") = "8"
    & skf18("8","5","9","7","4","4","1") = "8"
    & skf18("8","5","9","7","4","5","1") = "8"
    & skf18("8","5","9","7","4","6","1") = "8"
    & skf18("8","5","9","7","4","7","1") = "8"
    & skf18("8","5","9","7","4","8","1") = "8"
    & skf18("8","5","9","7","4","9","1") = "8"
    & skf18("8","5","9","7","4","10","1") = "9"
    & skf18("8","5","9","7","5","1","1") = "8"
    & skf18("8","5","9","7","5","2","1") = "8"
    & skf18("8","5","9","7","5","3","1") = "8"
    & skf18("8","5","9","7","5","4","1") = "8"
    & skf18("8","5","9","7","5","5","1") = "8"
    & skf18("8","5","9","7","5","6","1") = "8"
    & skf18("8","5","9","7","5","7","1") = "8"
    & skf18("8","5","9","7","5","8","1") = "8"
    & skf18("8","5","9","7","5","9","1") = "8"
    & skf18("8","5","9","7","5","10","1") = "9"
    & skf18("8","5","9","7","6","1","1") = "8"
    & skf18("8","5","9","7","6","2","1") = "8"
    & skf18("8","5","9","7","6","3","1") = "8"
    & skf18("8","5","9","7","6","4","1") = "8"
    & skf18("8","5","9","7","6","5","1") = "8"
    & skf18("8","5","9","7","6","6","1") = "8"
    & skf18("8","5","9","7","6","7","1") = "8"
    & skf18("8","5","9","7","6","8","1") = "8"
    & skf18("8","5","9","7","6","9","1") = "8"
    & skf18("8","5","9","7","6","10","1") = "9"
    & skf18("8","5","9","7","7","1","1") = "8"
    & skf18("8","5","9","7","7","2","1") = "8"
    & skf18("8","5","9","7","7","3","1") = "8"
    & skf18("8","5","9","7","7","4","1") = "8"
    & skf18("8","5","9","7","7","5","1") = "8"
    & skf18("8","5","9","7","7","6","1") = "8"
    & skf18("8","5","9","7","7","7","1") = "8"
    & skf18("8","5","9","7","7","8","1") = "8"
    & skf18("8","5","9","7","7","9","1") = "8"
    & skf18("8","5","9","7","7","10","1") = "9"
    & skf18("8","5","9","7","8","1","1") = "8"
    & skf18("8","5","9","7","8","2","1") = "8"
    & skf18("8","5","9","7","8","3","1") = "8"
    & skf18("8","5","9","7","8","4","1") = "8"
    & skf18("8","5","9","7","8","5","1") = "8"
    & skf18("8","5","9","7","8","6","1") = "8"
    & skf18("8","5","9","7","8","7","1") = "8"
    & skf18("8","5","9","7","8","8","1") = "8"
    & skf18("8","5","9","7","8","9","1") = "8"
    & skf18("8","5","9","7","8","10","1") = "9"
    & skf18("8","5","9","7","9","1","1") = "8"
    & skf18("8","5","9","7","9","2","1") = "8"
    & skf18("8","5","9","7","9","3","1") = "8"
    & skf18("8","5","9","7","9","4","1") = "8"
    & skf18("8","5","9","7","9","5","1") = "8"
    & skf18("8","5","9","7","9","6","1") = "8"
    & skf18("8","5","9","7","9","7","1") = "8"
    & skf18("8","5","9","7","9","8","1") = "8"
    & skf18("8","5","9","7","9","9","1") = "8"
    & skf18("8","5","9","7","9","10","1") = "9"
    & skf18("8","5","9","7","10","1","1") = "9"
    & skf18("8","5","9","7","10","2","1") = "9"
    & skf18("8","5","9","7","10","3","1") = "9"
    & skf18("8","5","9","7","10","4","1") = "9"
    & skf18("8","5","9","7","10","5","1") = "9"
    & skf18("8","5","9","7","10","6","1") = "9"
    & skf18("8","5","9","7","10","7","1") = "9"
    & skf18("8","5","9","7","10","8","1") = "9"
    & skf18("8","5","9","7","10","9","1") = "9"
    & skf18("8","5","9","7","10","10","1") = "9"
    & skf18("8","5","9","8","1","1","1") = "8"
    & skf18("8","5","9","8","1","2","1") = "8"
    & skf18("8","5","9","8","1","3","1") = "8"
    & skf18("8","5","9","8","1","4","1") = "8"
    & skf18("8","5","9","8","1","5","1") = "8"
    & skf18("8","5","9","8","1","6","1") = "8"
    & skf18("8","5","9","8","1","7","1") = "8"
    & skf18("8","5","9","8","1","8","1") = "8"
    & skf18("8","5","9","8","1","9","1") = "8"
    & skf18("8","5","9","8","1","10","1") = "9"
    & skf18("8","5","9","8","2","1","1") = "8"
    & skf18("8","5","9","8","2","2","1") = "8"
    & skf18("8","5","9","8","2","3","1") = "8"
    & skf18("8","5","9","8","2","4","1") = "8"
    & skf18("8","5","9","8","2","5","1") = "8"
    & skf18("8","5","9","8","2","6","1") = "8"
    & skf18("8","5","9","8","2","7","1") = "8"
    & skf18("8","5","9","8","2","8","1") = "8"
    & skf18("8","5","9","8","2","9","1") = "8"
    & skf18("8","5","9","8","2","10","1") = "9"
    & skf18("8","5","9","8","3","1","1") = "8"
    & skf18("8","5","9","8","3","2","1") = "8"
    & skf18("8","5","9","8","3","3","1") = "8"
    & skf18("8","5","9","8","3","4","1") = "8"
    & skf18("8","5","9","8","3","5","1") = "8"
    & skf18("8","5","9","8","3","6","1") = "8"
    & skf18("8","5","9","8","3","7","1") = "8"
    & skf18("8","5","9","8","3","8","1") = "8"
    & skf18("8","5","9","8","3","9","1") = "8"
    & skf18("8","5","9","8","3","10","1") = "9"
    & skf18("8","5","9","8","4","1","1") = "8"
    & skf18("8","5","9","8","4","2","1") = "8"
    & skf18("8","5","9","8","4","3","1") = "8"
    & skf18("8","5","9","8","4","4","1") = "8"
    & skf18("8","5","9","8","4","5","1") = "8"
    & skf18("8","5","9","8","4","6","1") = "8"
    & skf18("8","5","9","8","4","7","1") = "8"
    & skf18("8","5","9","8","4","8","1") = "8"
    & skf18("8","5","9","8","4","9","1") = "8"
    & skf18("8","5","9","8","4","10","1") = "9"
    & skf18("8","5","9","8","5","1","1") = "8"
    & skf18("8","5","9","8","5","2","1") = "8"
    & skf18("8","5","9","8","5","3","1") = "8"
    & skf18("8","5","9","8","5","4","1") = "8"
    & skf18("8","5","9","8","5","5","1") = "8"
    & skf18("8","5","9","8","5","6","1") = "8"
    & skf18("8","5","9","8","5","7","1") = "8"
    & skf18("8","5","9","8","5","8","1") = "8"
    & skf18("8","5","9","8","5","9","1") = "8"
    & skf18("8","5","9","8","5","10","1") = "9"
    & skf18("8","5","9","8","6","1","1") = "8"
    & skf18("8","5","9","8","6","2","1") = "8"
    & skf18("8","5","9","8","6","3","1") = "8"
    & skf18("8","5","9","8","6","4","1") = "8"
    & skf18("8","5","9","8","6","5","1") = "8"
    & skf18("8","5","9","8","6","6","1") = "8"
    & skf18("8","5","9","8","6","7","1") = "8"
    & skf18("8","5","9","8","6","8","1") = "8"
    & skf18("8","5","9","8","6","9","1") = "8"
    & skf18("8","5","9","8","6","10","1") = "9"
    & skf18("8","5","9","8","7","1","1") = "8"
    & skf18("8","5","9","8","7","2","1") = "8"
    & skf18("8","5","9","8","7","3","1") = "8"
    & skf18("8","5","9","8","7","4","1") = "8"
    & skf18("8","5","9","8","7","5","1") = "8"
    & skf18("8","5","9","8","7","6","1") = "8"
    & skf18("8","5","9","8","7","7","1") = "8"
    & skf18("8","5","9","8","7","8","1") = "8"
    & skf18("8","5","9","8","7","9","1") = "8"
    & skf18("8","5","9","8","7","10","1") = "9"
    & skf18("8","5","9","8","8","1","1") = "8"
    & skf18("8","5","9","8","8","2","1") = "8"
    & skf18("8","5","9","8","8","3","1") = "8"
    & skf18("8","5","9","8","8","4","1") = "8"
    & skf18("8","5","9","8","8","5","1") = "8"
    & skf18("8","5","9","8","8","6","1") = "8"
    & skf18("8","5","9","8","8","7","1") = "8"
    & skf18("8","5","9","8","8","8","1") = "8"
    & skf18("8","5","9","8","8","9","1") = "8"
    & skf18("8","5","9","8","8","10","1") = "9"
    & skf18("8","5","9","8","9","1","1") = "8"
    & skf18("8","5","9","8","9","2","1") = "8"
    & skf18("8","5","9","8","9","3","1") = "8"
    & skf18("8","5","9","8","9","4","1") = "8"
    & skf18("8","5","9","8","9","5","1") = "8"
    & skf18("8","5","9","8","9","6","1") = "8"
    & skf18("8","5","9","8","9","7","1") = "8"
    & skf18("8","5","9","8","9","8","1") = "8"
    & skf18("8","5","9","8","9","9","1") = "8"
    & skf18("8","5","9","8","9","10","1") = "9"
    & skf18("8","5","9","8","10","1","1") = "9"
    & skf18("8","5","9","8","10","2","1") = "9"
    & skf18("8","5","9","8","10","3","1") = "9"
    & skf18("8","5","9","8","10","4","1") = "9"
    & skf18("8","5","9","8","10","5","1") = "9"
    & skf18("8","5","9","8","10","6","1") = "9"
    & skf18("8","5","9","8","10","7","1") = "9"
    & skf18("8","5","9","8","10","8","1") = "9"
    & skf18("8","5","9","8","10","9","1") = "9"
    & skf18("8","5","9","8","10","10","1") = "9"
    & skf18("8","5","9","9","1","1","1") = "8"
    & skf18("8","5","9","9","1","2","1") = "8"
    & skf18("8","5","9","9","1","3","1") = "8"
    & skf18("8","5","9","9","1","4","1") = "8"
    & skf18("8","5","9","9","1","5","1") = "8"
    & skf18("8","5","9","9","1","6","1") = "8"
    & skf18("8","5","9","9","1","7","1") = "8"
    & skf18("8","5","9","9","1","8","1") = "8"
    & skf18("8","5","9","9","1","9","1") = "8"
    & skf18("8","5","9","9","1","10","1") = "9"
    & skf18("8","5","9","9","2","1","1") = "8"
    & skf18("8","5","9","9","2","2","1") = "8"
    & skf18("8","5","9","9","2","3","1") = "8"
    & skf18("8","5","9","9","2","4","1") = "8"
    & skf18("8","5","9","9","2","5","1") = "8"
    & skf18("8","5","9","9","2","6","1") = "8"
    & skf18("8","5","9","9","2","7","1") = "8"
    & skf18("8","5","9","9","2","8","1") = "8"
    & skf18("8","5","9","9","2","9","1") = "8"
    & skf18("8","5","9","9","2","10","1") = "9"
    & skf18("8","5","9","9","3","1","1") = "8"
    & skf18("8","5","9","9","3","2","1") = "8"
    & skf18("8","5","9","9","3","3","1") = "8"
    & skf18("8","5","9","9","3","4","1") = "8"
    & skf18("8","5","9","9","3","5","1") = "8"
    & skf18("8","5","9","9","3","6","1") = "8"
    & skf18("8","5","9","9","3","7","1") = "8"
    & skf18("8","5","9","9","3","8","1") = "8"
    & skf18("8","5","9","9","3","9","1") = "8"
    & skf18("8","5","9","9","3","10","1") = "9"
    & skf18("8","5","9","9","4","1","1") = "8"
    & skf18("8","5","9","9","4","2","1") = "8"
    & skf18("8","5","9","9","4","3","1") = "8"
    & skf18("8","5","9","9","4","4","1") = "8"
    & skf18("8","5","9","9","4","5","1") = "8"
    & skf18("8","5","9","9","4","6","1") = "8"
    & skf18("8","5","9","9","4","7","1") = "8"
    & skf18("8","5","9","9","4","8","1") = "8"
    & skf18("8","5","9","9","4","9","1") = "8"
    & skf18("8","5","9","9","4","10","1") = "9"
    & skf18("8","5","9","9","5","1","1") = "8"
    & skf18("8","5","9","9","5","2","1") = "8"
    & skf18("8","5","9","9","5","3","1") = "8"
    & skf18("8","5","9","9","5","4","1") = "8"
    & skf18("8","5","9","9","5","5","1") = "8"
    & skf18("8","5","9","9","5","6","1") = "8"
    & skf18("8","5","9","9","5","7","1") = "8"
    & skf18("8","5","9","9","5","8","1") = "8"
    & skf18("8","5","9","9","5","9","1") = "8"
    & skf18("8","5","9","9","5","10","1") = "9"
    & skf18("8","5","9","9","6","1","1") = "8"
    & skf18("8","5","9","9","6","2","1") = "8"
    & skf18("8","5","9","9","6","3","1") = "8"
    & skf18("8","5","9","9","6","4","1") = "8"
    & skf18("8","5","9","9","6","5","1") = "8"
    & skf18("8","5","9","9","6","6","1") = "8"
    & skf18("8","5","9","9","6","7","1") = "8"
    & skf18("8","5","9","9","6","8","1") = "8"
    & skf18("8","5","9","9","6","9","1") = "8"
    & skf18("8","5","9","9","6","10","1") = "9"
    & skf18("8","5","9","9","7","1","1") = "8"
    & skf18("8","5","9","9","7","2","1") = "8"
    & skf18("8","5","9","9","7","3","1") = "8"
    & skf18("8","5","9","9","7","4","1") = "8"
    & skf18("8","5","9","9","7","5","1") = "8"
    & skf18("8","5","9","9","7","6","1") = "8"
    & skf18("8","5","9","9","7","7","1") = "8"
    & skf18("8","5","9","9","7","8","1") = "8"
    & skf18("8","5","9","9","7","9","1") = "8"
    & skf18("8","5","9","9","7","10","1") = "9"
    & skf18("8","5","9","9","8","1","1") = "8"
    & skf18("8","5","9","9","8","2","1") = "8"
    & skf18("8","5","9","9","8","3","1") = "8"
    & skf18("8","5","9","9","8","4","1") = "8"
    & skf18("8","5","9","9","8","5","1") = "8"
    & skf18("8","5","9","9","8","6","1") = "8"
    & skf18("8","5","9","9","8","7","1") = "8"
    & skf18("8","5","9","9","8","8","1") = "8"
    & skf18("8","5","9","9","8","9","1") = "8"
    & skf18("8","5","9","9","8","10","1") = "9"
    & skf18("8","5","9","9","9","1","1") = "8"
    & skf18("8","5","9","9","9","2","1") = "8"
    & skf18("8","5","9","9","9","3","1") = "8"
    & skf18("8","5","9","9","9","4","1") = "8"
    & skf18("8","5","9","9","9","5","1") = "8"
    & skf18("8","5","9","9","9","6","1") = "8"
    & skf18("8","5","9","9","9","7","1") = "8"
    & skf18("8","5","9","9","9","8","1") = "8"
    & skf18("8","5","9","9","9","9","1") = "8"
    & skf18("8","5","9","9","9","10","1") = "9"
    & skf18("8","5","9","9","10","1","1") = "9"
    & skf18("8","5","9","9","10","2","1") = "9"
    & skf18("8","5","9","9","10","3","1") = "9"
    & skf18("8","5","9","9","10","4","1") = "9"
    & skf18("8","5","9","9","10","5","1") = "9"
    & skf18("8","5","9","9","10","6","1") = "9"
    & skf18("8","5","9","9","10","7","1") = "9"
    & skf18("8","5","9","9","10","8","1") = "9"
    & skf18("8","5","9","9","10","9","1") = "9"
    & skf18("8","5","9","9","10","10","1") = "9"
    & skf18("8","5","9","10","1","1","1") = "9"
    & skf18("8","5","9","10","1","2","1") = "9"
    & skf18("8","5","9","10","1","3","1") = "9"
    & skf18("8","5","9","10","1","4","1") = "9"
    & skf18("8","5","9","10","1","5","1") = "9"
    & skf18("8","5","9","10","1","6","1") = "9"
    & skf18("8","5","9","10","1","7","1") = "9"
    & skf18("8","5","9","10","1","8","1") = "9"
    & skf18("8","5","9","10","1","9","1") = "9"
    & skf18("8","5","9","10","1","10","1") = "9"
    & skf18("8","5","9","10","2","1","1") = "9"
    & skf18("8","5","9","10","2","2","1") = "9"
    & skf18("8","5","9","10","2","3","1") = "9"
    & skf18("8","5","9","10","2","4","1") = "9"
    & skf18("8","5","9","10","2","5","1") = "9"
    & skf18("8","5","9","10","2","6","1") = "9"
    & skf18("8","5","9","10","2","7","1") = "9"
    & skf18("8","5","9","10","2","8","1") = "9"
    & skf18("8","5","9","10","2","9","1") = "9"
    & skf18("8","5","9","10","2","10","1") = "9"
    & skf18("8","5","9","10","3","1","1") = "9"
    & skf18("8","5","9","10","3","2","1") = "9"
    & skf18("8","5","9","10","3","3","1") = "9"
    & skf18("8","5","9","10","3","4","1") = "9"
    & skf18("8","5","9","10","3","5","1") = "9"
    & skf18("8","5","9","10","3","6","1") = "9"
    & skf18("8","5","9","10","3","7","1") = "9"
    & skf18("8","5","9","10","3","8","1") = "9"
    & skf18("8","5","9","10","3","9","1") = "9"
    & skf18("8","5","9","10","3","10","1") = "9"
    & skf18("8","5","9","10","4","1","1") = "9"
    & skf18("8","5","9","10","4","2","1") = "9"
    & skf18("8","5","9","10","4","3","1") = "9"
    & skf18("8","5","9","10","4","4","1") = "9"
    & skf18("8","5","9","10","4","5","1") = "9"
    & skf18("8","5","9","10","4","6","1") = "9"
    & skf18("8","5","9","10","4","7","1") = "9"
    & skf18("8","5","9","10","4","8","1") = "9"
    & skf18("8","5","9","10","4","9","1") = "9"
    & skf18("8","5","9","10","4","10","1") = "9"
    & skf18("8","5","9","10","5","1","1") = "9"
    & skf18("8","5","9","10","5","2","1") = "9"
    & skf18("8","5","9","10","5","3","1") = "9"
    & skf18("8","5","9","10","5","4","1") = "9"
    & skf18("8","5","9","10","5","5","1") = "9"
    & skf18("8","5","9","10","5","6","1") = "9"
    & skf18("8","5","9","10","5","7","1") = "9"
    & skf18("8","5","9","10","5","8","1") = "9"
    & skf18("8","5","9","10","5","9","1") = "9"
    & skf18("8","5","9","10","5","10","1") = "9"
    & skf18("8","5","9","10","6","1","1") = "9"
    & skf18("8","5","9","10","6","2","1") = "9"
    & skf18("8","5","9","10","6","3","1") = "9"
    & skf18("8","5","9","10","6","4","1") = "9"
    & skf18("8","5","9","10","6","5","1") = "9"
    & skf18("8","5","9","10","6","6","1") = "9"
    & skf18("8","5","9","10","6","7","1") = "9"
    & skf18("8","5","9","10","6","8","1") = "9"
    & skf18("8","5","9","10","6","9","1") = "9"
    & skf18("8","5","9","10","6","10","1") = "9"
    & skf18("8","5","9","10","7","1","1") = "9"
    & skf18("8","5","9","10","7","2","1") = "9"
    & skf18("8","5","9","10","7","3","1") = "9"
    & skf18("8","5","9","10","7","4","1") = "9"
    & skf18("8","5","9","10","7","5","1") = "9"
    & skf18("8","5","9","10","7","6","1") = "9"
    & skf18("8","5","9","10","7","7","1") = "9"
    & skf18("8","5","9","10","7","8","1") = "9"
    & skf18("8","5","9","10","7","9","1") = "9"
    & skf18("8","5","9","10","7","10","1") = "9"
    & skf18("8","5","9","10","8","1","1") = "9"
    & skf18("8","5","9","10","8","2","1") = "9"
    & skf18("8","5","9","10","8","3","1") = "9"
    & skf18("8","5","9","10","8","4","1") = "9"
    & skf18("8","5","9","10","8","5","1") = "9"
    & skf18("8","5","9","10","8","6","1") = "9"
    & skf18("8","5","9","10","8","7","1") = "9"
    & skf18("8","5","9","10","8","8","1") = "9"
    & skf18("8","5","9","10","8","9","1") = "9"
    & skf18("8","5","9","10","8","10","1") = "9"
    & skf18("8","5","9","10","9","1","1") = "9"
    & skf18("8","5","9","10","9","2","1") = "9"
    & skf18("8","5","9","10","9","3","1") = "9"
    & skf18("8","5","9","10","9","4","1") = "9"
    & skf18("8","5","9","10","9","5","1") = "9"
    & skf18("8","5","9","10","9","6","1") = "9"
    & skf18("8","5","9","10","9","7","1") = "9"
    & skf18("8","5","9","10","9","8","1") = "9"
    & skf18("8","5","9","10","9","9","1") = "9"
    & skf18("8","5","9","10","9","10","1") = "9"
    & skf18("8","5","9","10","10","1","1") = "9"
    & skf18("8","5","9","10","10","2","1") = "9"
    & skf18("8","5","9","10","10","3","1") = "9"
    & skf18("8","5","9","10","10","4","1") = "9"
    & skf18("8","5","9","10","10","5","1") = "9"
    & skf18("8","5","9","10","10","6","1") = "9"
    & skf18("8","5","9","10","10","7","1") = "9"
    & skf18("8","5","9","10","10","8","1") = "9"
    & skf18("8","5","9","10","10","9","1") = "9"
    & skf18("8","5","9","10","10","10","1") = "9"
    & skf18("8","5","10","1","1","1","1") = "9"
    & skf18("8","5","10","1","1","2","1") = "9"
    & skf18("8","5","10","1","1","3","1") = "9"
    & skf18("8","5","10","1","1","4","1") = "9"
    & skf18("8","5","10","1","1","5","1") = "9"
    & skf18("8","5","10","1","1","6","1") = "9"
    & skf18("8","5","10","1","1","7","1") = "9"
    & skf18("8","5","10","1","1","8","1") = "9"
    & skf18("8","5","10","1","1","9","1") = "9"
    & skf18("8","5","10","1","1","10","1") = "9"
    & skf18("8","5","10","1","2","1","1") = "9"
    & skf18("8","5","10","1","2","2","1") = "9"
    & skf18("8","5","10","1","2","3","1") = "9"
    & skf18("8","5","10","1","2","4","1") = "9"
    & skf18("8","5","10","1","2","5","1") = "9"
    & skf18("8","5","10","1","2","6","1") = "9"
    & skf18("8","5","10","1","2","7","1") = "9"
    & skf18("8","5","10","1","2","8","1") = "9"
    & skf18("8","5","10","1","2","9","1") = "9"
    & skf18("8","5","10","1","2","10","1") = "9"
    & skf18("8","5","10","1","3","1","1") = "9"
    & skf18("8","5","10","1","3","2","1") = "9"
    & skf18("8","5","10","1","3","3","1") = "9"
    & skf18("8","5","10","1","3","4","1") = "9"
    & skf18("8","5","10","1","3","5","1") = "9"
    & skf18("8","5","10","1","3","6","1") = "9"
    & skf18("8","5","10","1","3","7","1") = "9"
    & skf18("8","5","10","1","3","8","1") = "9"
    & skf18("8","5","10","1","3","9","1") = "9"
    & skf18("8","5","10","1","3","10","1") = "9"
    & skf18("8","5","10","1","4","1","1") = "9"
    & skf18("8","5","10","1","4","2","1") = "9"
    & skf18("8","5","10","1","4","3","1") = "9"
    & skf18("8","5","10","1","4","4","1") = "9"
    & skf18("8","5","10","1","4","5","1") = "9"
    & skf18("8","5","10","1","4","6","1") = "9"
    & skf18("8","5","10","1","4","7","1") = "9"
    & skf18("8","5","10","1","4","8","1") = "9"
    & skf18("8","5","10","1","4","9","1") = "9"
    & skf18("8","5","10","1","4","10","1") = "9"
    & skf18("8","5","10","1","5","1","1") = "9"
    & skf18("8","5","10","1","5","2","1") = "9"
    & skf18("8","5","10","1","5","3","1") = "9"
    & skf18("8","5","10","1","5","4","1") = "9"
    & skf18("8","5","10","1","5","5","1") = "9"
    & skf18("8","5","10","1","5","6","1") = "9"
    & skf18("8","5","10","1","5","7","1") = "9"
    & skf18("8","5","10","1","5","8","1") = "9"
    & skf18("8","5","10","1","5","9","1") = "9"
    & skf18("8","5","10","1","5","10","1") = "9"
    & skf18("8","5","10","1","6","1","1") = "9"
    & skf18("8","5","10","1","6","2","1") = "9"
    & skf18("8","5","10","1","6","3","1") = "9"
    & skf18("8","5","10","1","6","4","1") = "9"
    & skf18("8","5","10","1","6","5","1") = "9"
    & skf18("8","5","10","1","6","6","1") = "9"
    & skf18("8","5","10","1","6","7","1") = "9"
    & skf18("8","5","10","1","6","8","1") = "9"
    & skf18("8","5","10","1","6","9","1") = "9"
    & skf18("8","5","10","1","6","10","1") = "9"
    & skf18("8","5","10","1","7","1","1") = "9"
    & skf18("8","5","10","1","7","2","1") = "9"
    & skf18("8","5","10","1","7","3","1") = "9"
    & skf18("8","5","10","1","7","4","1") = "9"
    & skf18("8","5","10","1","7","5","1") = "9"
    & skf18("8","5","10","1","7","6","1") = "9"
    & skf18("8","5","10","1","7","7","1") = "9"
    & skf18("8","5","10","1","7","8","1") = "9"
    & skf18("8","5","10","1","7","9","1") = "9"
    & skf18("8","5","10","1","7","10","1") = "9"
    & skf18("8","5","10","1","8","1","1") = "9"
    & skf18("8","5","10","1","8","2","1") = "9"
    & skf18("8","5","10","1","8","3","1") = "9"
    & skf18("8","5","10","1","8","4","1") = "9"
    & skf18("8","5","10","1","8","5","1") = "9"
    & skf18("8","5","10","1","8","6","1") = "9"
    & skf18("8","5","10","1","8","7","1") = "9"
    & skf18("8","5","10","1","8","8","1") = "9"
    & skf18("8","5","10","1","8","9","1") = "9"
    & skf18("8","5","10","1","8","10","1") = "9"
    & skf18("8","5","10","1","9","1","1") = "9"
    & skf18("8","5","10","1","9","2","1") = "9"
    & skf18("8","5","10","1","9","3","1") = "9"
    & skf18("8","5","10","1","9","4","1") = "9"
    & skf18("8","5","10","1","9","5","1") = "9"
    & skf18("8","5","10","1","9","6","1") = "9"
    & skf18("8","5","10","1","9","7","1") = "9"
    & skf18("8","5","10","1","9","8","1") = "9"
    & skf18("8","5","10","1","9","9","1") = "9"
    & skf18("8","5","10","1","9","10","1") = "9"
    & skf18("8","5","10","1","10","1","1") = "9"
    & skf18("8","5","10","1","10","2","1") = "9"
    & skf18("8","5","10","1","10","3","1") = "9"
    & skf18("8","5","10","1","10","4","1") = "9"
    & skf18("8","5","10","1","10","5","1") = "9"
    & skf18("8","5","10","1","10","6","1") = "9"
    & skf18("8","5","10","1","10","7","1") = "9"
    & skf18("8","5","10","1","10","8","1") = "9"
    & skf18("8","5","10","1","10","9","1") = "9"
    & skf18("8","5","10","1","10","10","1") = "9"
    & skf18("8","5","10","2","1","1","1") = "9"
    & skf18("8","5","10","2","1","2","1") = "9"
    & skf18("8","5","10","2","1","3","1") = "9"
    & skf18("8","5","10","2","1","4","1") = "9"
    & skf18("8","5","10","2","1","5","1") = "9"
    & skf18("8","5","10","2","1","6","1") = "9"
    & skf18("8","5","10","2","1","7","1") = "9"
    & skf18("8","5","10","2","1","8","1") = "9"
    & skf18("8","5","10","2","1","9","1") = "9"
    & skf18("8","5","10","2","1","10","1") = "9"
    & skf18("8","5","10","2","2","1","1") = "9"
    & skf18("8","5","10","2","2","2","1") = "9"
    & skf18("8","5","10","2","2","3","1") = "9"
    & skf18("8","5","10","2","2","4","1") = "9"
    & skf18("8","5","10","2","2","5","1") = "9"
    & skf18("8","5","10","2","2","6","1") = "9"
    & skf18("8","5","10","2","2","7","1") = "9"
    & skf18("8","5","10","2","2","8","1") = "9"
    & skf18("8","5","10","2","2","9","1") = "9"
    & skf18("8","5","10","2","2","10","1") = "9"
    & skf18("8","5","10","2","3","1","1") = "9"
    & skf18("8","5","10","2","3","2","1") = "9"
    & skf18("8","5","10","2","3","3","1") = "9"
    & skf18("8","5","10","2","3","4","1") = "9"
    & skf18("8","5","10","2","3","5","1") = "9"
    & skf18("8","5","10","2","3","6","1") = "9"
    & skf18("8","5","10","2","3","7","1") = "9"
    & skf18("8","5","10","2","3","8","1") = "9"
    & skf18("8","5","10","2","3","9","1") = "9"
    & skf18("8","5","10","2","3","10","1") = "9"
    & skf18("8","5","10","2","4","1","1") = "9"
    & skf18("8","5","10","2","4","2","1") = "9"
    & skf18("8","5","10","2","4","3","1") = "9"
    & skf18("8","5","10","2","4","4","1") = "9"
    & skf18("8","5","10","2","4","5","1") = "9"
    & skf18("8","5","10","2","4","6","1") = "9"
    & skf18("8","5","10","2","4","7","1") = "9"
    & skf18("8","5","10","2","4","8","1") = "9"
    & skf18("8","5","10","2","4","9","1") = "9"
    & skf18("8","5","10","2","4","10","1") = "9"
    & skf18("8","5","10","2","5","1","1") = "9"
    & skf18("8","5","10","2","5","2","1") = "9"
    & skf18("8","5","10","2","5","3","1") = "9"
    & skf18("8","5","10","2","5","4","1") = "9"
    & skf18("8","5","10","2","5","5","1") = "9"
    & skf18("8","5","10","2","5","6","1") = "9"
    & skf18("8","5","10","2","5","7","1") = "9"
    & skf18("8","5","10","2","5","8","1") = "9"
    & skf18("8","5","10","2","5","9","1") = "9"
    & skf18("8","5","10","2","5","10","1") = "9"
    & skf18("8","5","10","2","6","1","1") = "9"
    & skf18("8","5","10","2","6","2","1") = "9"
    & skf18("8","5","10","2","6","3","1") = "9"
    & skf18("8","5","10","2","6","4","1") = "9"
    & skf18("8","5","10","2","6","5","1") = "9"
    & skf18("8","5","10","2","6","6","1") = "9"
    & skf18("8","5","10","2","6","7","1") = "9"
    & skf18("8","5","10","2","6","8","1") = "9"
    & skf18("8","5","10","2","6","9","1") = "9"
    & skf18("8","5","10","2","6","10","1") = "9"
    & skf18("8","5","10","2","7","1","1") = "9"
    & skf18("8","5","10","2","7","2","1") = "9"
    & skf18("8","5","10","2","7","3","1") = "9"
    & skf18("8","5","10","2","7","4","1") = "9"
    & skf18("8","5","10","2","7","5","1") = "9"
    & skf18("8","5","10","2","7","6","1") = "9"
    & skf18("8","5","10","2","7","7","1") = "9"
    & skf18("8","5","10","2","7","8","1") = "9"
    & skf18("8","5","10","2","7","9","1") = "9"
    & skf18("8","5","10","2","7","10","1") = "9"
    & skf18("8","5","10","2","8","1","1") = "9"
    & skf18("8","5","10","2","8","2","1") = "9"
    & skf18("8","5","10","2","8","3","1") = "9"
    & skf18("8","5","10","2","8","4","1") = "9"
    & skf18("8","5","10","2","8","5","1") = "9"
    & skf18("8","5","10","2","8","6","1") = "9"
    & skf18("8","5","10","2","8","7","1") = "9"
    & skf18("8","5","10","2","8","8","1") = "9"
    & skf18("8","5","10","2","8","9","1") = "9"
    & skf18("8","5","10","2","8","10","1") = "9"
    & skf18("8","5","10","2","9","1","1") = "9"
    & skf18("8","5","10","2","9","2","1") = "9"
    & skf18("8","5","10","2","9","3","1") = "9"
    & skf18("8","5","10","2","9","4","1") = "9"
    & skf18("8","5","10","2","9","5","1") = "9"
    & skf18("8","5","10","2","9","6","1") = "9"
    & skf18("8","5","10","2","9","7","1") = "9"
    & skf18("8","5","10","2","9","8","1") = "9"
    & skf18("8","5","10","2","9","9","1") = "9"
    & skf18("8","5","10","2","9","10","1") = "9"
    & skf18("8","5","10","2","10","1","1") = "9"
    & skf18("8","5","10","2","10","2","1") = "9"
    & skf18("8","5","10","2","10","3","1") = "9"
    & skf18("8","5","10","2","10","4","1") = "9"
    & skf18("8","5","10","2","10","5","1") = "9"
    & skf18("8","5","10","2","10","6","1") = "9"
    & skf18("8","5","10","2","10","7","1") = "9"
    & skf18("8","5","10","2","10","8","1") = "9"
    & skf18("8","5","10","2","10","9","1") = "9"
    & skf18("8","5","10","2","10","10","1") = "9"
    & skf18("8","5","10","3","1","1","1") = "9"
    & skf18("8","5","10","3","1","2","1") = "9"
    & skf18("8","5","10","3","1","3","1") = "9"
    & skf18("8","5","10","3","1","4","1") = "9"
    & skf18("8","5","10","3","1","5","1") = "9"
    & skf18("8","5","10","3","1","6","1") = "9"
    & skf18("8","5","10","3","1","7","1") = "9"
    & skf18("8","5","10","3","1","8","1") = "9"
    & skf18("8","5","10","3","1","9","1") = "9"
    & skf18("8","5","10","3","1","10","1") = "9"
    & skf18("8","5","10","3","2","1","1") = "9"
    & skf18("8","5","10","3","2","2","1") = "9"
    & skf18("8","5","10","3","2","3","1") = "9"
    & skf18("8","5","10","3","2","4","1") = "9"
    & skf18("8","5","10","3","2","5","1") = "9"
    & skf18("8","5","10","3","2","6","1") = "9"
    & skf18("8","5","10","3","2","7","1") = "9"
    & skf18("8","5","10","3","2","8","1") = "9"
    & skf18("8","5","10","3","2","9","1") = "9"
    & skf18("8","5","10","3","2","10","1") = "9"
    & skf18("8","5","10","3","3","1","1") = "9"
    & skf18("8","5","10","3","3","2","1") = "9"
    & skf18("8","5","10","3","3","3","1") = "9"
    & skf18("8","5","10","3","3","4","1") = "9"
    & skf18("8","5","10","3","3","5","1") = "9"
    & skf18("8","5","10","3","3","6","1") = "9"
    & skf18("8","5","10","3","3","7","1") = "9"
    & skf18("8","5","10","3","3","8","1") = "9"
    & skf18("8","5","10","3","3","9","1") = "9"
    & skf18("8","5","10","3","3","10","1") = "9"
    & skf18("8","5","10","3","4","1","1") = "9"
    & skf18("8","5","10","3","4","2","1") = "9"
    & skf18("8","5","10","3","4","3","1") = "9"
    & skf18("8","5","10","3","4","4","1") = "9"
    & skf18("8","5","10","3","4","5","1") = "9"
    & skf18("8","5","10","3","4","6","1") = "9"
    & skf18("8","5","10","3","4","7","1") = "9"
    & skf18("8","5","10","3","4","8","1") = "9"
    & skf18("8","5","10","3","4","9","1") = "9"
    & skf18("8","5","10","3","4","10","1") = "9"
    & skf18("8","5","10","3","5","1","1") = "9"
    & skf18("8","5","10","3","5","2","1") = "9"
    & skf18("8","5","10","3","5","3","1") = "9"
    & skf18("8","5","10","3","5","4","1") = "9"
    & skf18("8","5","10","3","5","5","1") = "9"
    & skf18("8","5","10","3","5","6","1") = "9"
    & skf18("8","5","10","3","5","7","1") = "9"
    & skf18("8","5","10","3","5","8","1") = "9"
    & skf18("8","5","10","3","5","9","1") = "9"
    & skf18("8","5","10","3","5","10","1") = "9"
    & skf18("8","5","10","3","6","1","1") = "9"
    & skf18("8","5","10","3","6","2","1") = "9"
    & skf18("8","5","10","3","6","3","1") = "9"
    & skf18("8","5","10","3","6","4","1") = "9"
    & skf18("8","5","10","3","6","5","1") = "9"
    & skf18("8","5","10","3","6","6","1") = "9"
    & skf18("8","5","10","3","6","7","1") = "9"
    & skf18("8","5","10","3","6","8","1") = "9"
    & skf18("8","5","10","3","6","9","1") = "9"
    & skf18("8","5","10","3","6","10","1") = "9"
    & skf18("8","5","10","3","7","1","1") = "9"
    & skf18("8","5","10","3","7","2","1") = "9"
    & skf18("8","5","10","3","7","3","1") = "9"
    & skf18("8","5","10","3","7","4","1") = "9"
    & skf18("8","5","10","3","7","5","1") = "9"
    & skf18("8","5","10","3","7","6","1") = "9"
    & skf18("8","5","10","3","7","7","1") = "9"
    & skf18("8","5","10","3","7","8","1") = "9"
    & skf18("8","5","10","3","7","9","1") = "9"
    & skf18("8","5","10","3","7","10","1") = "9"
    & skf18("8","5","10","3","8","1","1") = "9"
    & skf18("8","5","10","3","8","2","1") = "9"
    & skf18("8","5","10","3","8","3","1") = "9"
    & skf18("8","5","10","3","8","4","1") = "9"
    & skf18("8","5","10","3","8","5","1") = "9"
    & skf18("8","5","10","3","8","6","1") = "9"
    & skf18("8","5","10","3","8","7","1") = "9"
    & skf18("8","5","10","3","8","8","1") = "9"
    & skf18("8","5","10","3","8","9","1") = "9"
    & skf18("8","5","10","3","8","10","1") = "9"
    & skf18("8","5","10","3","9","1","1") = "9"
    & skf18("8","5","10","3","9","2","1") = "9"
    & skf18("8","5","10","3","9","3","1") = "9"
    & skf18("8","5","10","3","9","4","1") = "9"
    & skf18("8","5","10","3","9","5","1") = "9"
    & skf18("8","5","10","3","9","6","1") = "9"
    & skf18("8","5","10","3","9","7","1") = "9"
    & skf18("8","5","10","3","9","8","1") = "9"
    & skf18("8","5","10","3","9","9","1") = "9"
    & skf18("8","5","10","3","9","10","1") = "9"
    & skf18("8","5","10","3","10","1","1") = "9"
    & skf18("8","5","10","3","10","2","1") = "9"
    & skf18("8","5","10","3","10","3","1") = "9"
    & skf18("8","5","10","3","10","4","1") = "9"
    & skf18("8","5","10","3","10","5","1") = "9"
    & skf18("8","5","10","3","10","6","1") = "9"
    & skf18("8","5","10","3","10","7","1") = "9"
    & skf18("8","5","10","3","10","8","1") = "9"
    & skf18("8","5","10","3","10","9","1") = "9"
    & skf18("8","5","10","3","10","10","1") = "9"
    & skf18("8","5","10","4","1","1","1") = "9"
    & skf18("8","5","10","4","1","2","1") = "9"
    & skf18("8","5","10","4","1","3","1") = "9"
    & skf18("8","5","10","4","1","4","1") = "9"
    & skf18("8","5","10","4","1","5","1") = "9"
    & skf18("8","5","10","4","1","6","1") = "9"
    & skf18("8","5","10","4","1","7","1") = "9"
    & skf18("8","5","10","4","1","8","1") = "9"
    & skf18("8","5","10","4","1","9","1") = "9"
    & skf18("8","5","10","4","1","10","1") = "9"
    & skf18("8","5","10","4","2","1","1") = "9"
    & skf18("8","5","10","4","2","2","1") = "9"
    & skf18("8","5","10","4","2","3","1") = "9"
    & skf18("8","5","10","4","2","4","1") = "9"
    & skf18("8","5","10","4","2","5","1") = "9"
    & skf18("8","5","10","4","2","6","1") = "9"
    & skf18("8","5","10","4","2","7","1") = "9"
    & skf18("8","5","10","4","2","8","1") = "9"
    & skf18("8","5","10","4","2","9","1") = "9"
    & skf18("8","5","10","4","2","10","1") = "9"
    & skf18("8","5","10","4","3","1","1") = "9"
    & skf18("8","5","10","4","3","2","1") = "9"
    & skf18("8","5","10","4","3","3","1") = "9"
    & skf18("8","5","10","4","3","4","1") = "9"
    & skf18("8","5","10","4","3","5","1") = "9"
    & skf18("8","5","10","4","3","6","1") = "9"
    & skf18("8","5","10","4","3","7","1") = "9"
    & skf18("8","5","10","4","3","8","1") = "9"
    & skf18("8","5","10","4","3","9","1") = "9"
    & skf18("8","5","10","4","3","10","1") = "9"
    & skf18("8","5","10","4","4","1","1") = "9"
    & skf18("8","5","10","4","4","2","1") = "9"
    & skf18("8","5","10","4","4","3","1") = "9"
    & skf18("8","5","10","4","4","4","1") = "9"
    & skf18("8","5","10","4","4","5","1") = "9"
    & skf18("8","5","10","4","4","6","1") = "9"
    & skf18("8","5","10","4","4","7","1") = "9"
    & skf18("8","5","10","4","4","8","1") = "9"
    & skf18("8","5","10","4","4","9","1") = "9"
    & skf18("8","5","10","4","4","10","1") = "9"
    & skf18("8","5","10","4","5","1","1") = "9"
    & skf18("8","5","10","4","5","2","1") = "9"
    & skf18("8","5","10","4","5","3","1") = "9"
    & skf18("8","5","10","4","5","4","1") = "9"
    & skf18("8","5","10","4","5","5","1") = "9"
    & skf18("8","5","10","4","5","6","1") = "9"
    & skf18("8","5","10","4","5","7","1") = "9"
    & skf18("8","5","10","4","5","8","1") = "9"
    & skf18("8","5","10","4","5","9","1") = "9"
    & skf18("8","5","10","4","5","10","1") = "9"
    & skf18("8","5","10","4","6","1","1") = "9"
    & skf18("8","5","10","4","6","2","1") = "9"
    & skf18("8","5","10","4","6","3","1") = "9"
    & skf18("8","5","10","4","6","4","1") = "9"
    & skf18("8","5","10","4","6","5","1") = "9"
    & skf18("8","5","10","4","6","6","1") = "9"
    & skf18("8","5","10","4","6","7","1") = "9"
    & skf18("8","5","10","4","6","8","1") = "9"
    & skf18("8","5","10","4","6","9","1") = "9"
    & skf18("8","5","10","4","6","10","1") = "9"
    & skf18("8","5","10","4","7","1","1") = "9"
    & skf18("8","5","10","4","7","2","1") = "9"
    & skf18("8","5","10","4","7","3","1") = "9"
    & skf18("8","5","10","4","7","4","1") = "9"
    & skf18("8","5","10","4","7","5","1") = "9"
    & skf18("8","5","10","4","7","6","1") = "9"
    & skf18("8","5","10","4","7","7","1") = "9"
    & skf18("8","5","10","4","7","8","1") = "9"
    & skf18("8","5","10","4","7","9","1") = "9"
    & skf18("8","5","10","4","7","10","1") = "9"
    & skf18("8","5","10","4","8","1","1") = "9"
    & skf18("8","5","10","4","8","2","1") = "9"
    & skf18("8","5","10","4","8","3","1") = "9"
    & skf18("8","5","10","4","8","4","1") = "9"
    & skf18("8","5","10","4","8","5","1") = "9"
    & skf18("8","5","10","4","8","6","1") = "9"
    & skf18("8","5","10","4","8","7","1") = "9"
    & skf18("8","5","10","4","8","8","1") = "9"
    & skf18("8","5","10","4","8","9","1") = "9"
    & skf18("8","5","10","4","8","10","1") = "9"
    & skf18("8","5","10","4","9","1","1") = "9"
    & skf18("8","5","10","4","9","2","1") = "9"
    & skf18("8","5","10","4","9","3","1") = "9"
    & skf18("8","5","10","4","9","4","1") = "9"
    & skf18("8","5","10","4","9","5","1") = "9"
    & skf18("8","5","10","4","9","6","1") = "9"
    & skf18("8","5","10","4","9","7","1") = "9"
    & skf18("8","5","10","4","9","8","1") = "9"
    & skf18("8","5","10","4","9","9","1") = "9"
    & skf18("8","5","10","4","9","10","1") = "9"
    & skf18("8","5","10","4","10","1","1") = "9"
    & skf18("8","5","10","4","10","2","1") = "9"
    & skf18("8","5","10","4","10","3","1") = "9"
    & skf18("8","5","10","4","10","4","1") = "9"
    & skf18("8","5","10","4","10","5","1") = "9"
    & skf18("8","5","10","4","10","6","1") = "9"
    & skf18("8","5","10","4","10","7","1") = "9"
    & skf18("8","5","10","4","10","8","1") = "9"
    & skf18("8","5","10","4","10","9","1") = "9"
    & skf18("8","5","10","4","10","10","1") = "9"
    & skf18("8","5","10","5","1","1","1") = "9"
    & skf18("8","5","10","5","1","2","1") = "9"
    & skf18("8","5","10","5","1","3","1") = "9"
    & skf18("8","5","10","5","1","4","1") = "9"
    & skf18("8","5","10","5","1","5","1") = "9"
    & skf18("8","5","10","5","1","6","1") = "9"
    & skf18("8","5","10","5","1","7","1") = "9"
    & skf18("8","5","10","5","1","8","1") = "9"
    & skf18("8","5","10","5","1","9","1") = "9"
    & skf18("8","5","10","5","1","10","1") = "9"
    & skf18("8","5","10","5","2","1","1") = "9"
    & skf18("8","5","10","5","2","2","1") = "9"
    & skf18("8","5","10","5","2","3","1") = "9"
    & skf18("8","5","10","5","2","4","1") = "9"
    & skf18("8","5","10","5","2","5","1") = "9"
    & skf18("8","5","10","5","2","6","1") = "9"
    & skf18("8","5","10","5","2","7","1") = "9"
    & skf18("8","5","10","5","2","8","1") = "9"
    & skf18("8","5","10","5","2","9","1") = "9"
    & skf18("8","5","10","5","2","10","1") = "9"
    & skf18("8","5","10","5","3","1","1") = "9"
    & skf18("8","5","10","5","3","2","1") = "9"
    & skf18("8","5","10","5","3","3","1") = "9"
    & skf18("8","5","10","5","3","4","1") = "9"
    & skf18("8","5","10","5","3","5","1") = "9"
    & skf18("8","5","10","5","3","6","1") = "9"
    & skf18("8","5","10","5","3","7","1") = "9"
    & skf18("8","5","10","5","3","8","1") = "9"
    & skf18("8","5","10","5","3","9","1") = "9"
    & skf18("8","5","10","5","3","10","1") = "9"
    & skf18("8","5","10","5","4","1","1") = "9"
    & skf18("8","5","10","5","4","2","1") = "9"
    & skf18("8","5","10","5","4","3","1") = "9"
    & skf18("8","5","10","5","4","4","1") = "9"
    & skf18("8","5","10","5","4","5","1") = "9"
    & skf18("8","5","10","5","4","6","1") = "9"
    & skf18("8","5","10","5","4","7","1") = "9"
    & skf18("8","5","10","5","4","8","1") = "9"
    & skf18("8","5","10","5","4","9","1") = "9"
    & skf18("8","5","10","5","4","10","1") = "9"
    & skf18("8","5","10","5","5","1","1") = "9"
    & skf18("8","5","10","5","5","2","1") = "9"
    & skf18("8","5","10","5","5","3","1") = "9"
    & skf18("8","5","10","5","5","4","1") = "9"
    & skf18("8","5","10","5","5","5","1") = "9"
    & skf18("8","5","10","5","5","6","1") = "9"
    & skf18("8","5","10","5","5","7","1") = "9"
    & skf18("8","5","10","5","5","8","1") = "9"
    & skf18("8","5","10","5","5","9","1") = "9"
    & skf18("8","5","10","5","5","10","1") = "9"
    & skf18("8","5","10","5","6","1","1") = "9"
    & skf18("8","5","10","5","6","2","1") = "9"
    & skf18("8","5","10","5","6","3","1") = "9"
    & skf18("8","5","10","5","6","4","1") = "9"
    & skf18("8","5","10","5","6","5","1") = "9"
    & skf18("8","5","10","5","6","6","1") = "9"
    & skf18("8","5","10","5","6","7","1") = "9"
    & skf18("8","5","10","5","6","8","1") = "9"
    & skf18("8","5","10","5","6","9","1") = "9"
    & skf18("8","5","10","5","6","10","1") = "9"
    & skf18("8","5","10","5","7","1","1") = "9"
    & skf18("8","5","10","5","7","2","1") = "9"
    & skf18("8","5","10","5","7","3","1") = "9"
    & skf18("8","5","10","5","7","4","1") = "9"
    & skf18("8","5","10","5","7","5","1") = "9"
    & skf18("8","5","10","5","7","6","1") = "9"
    & skf18("8","5","10","5","7","7","1") = "9"
    & skf18("8","5","10","5","7","8","1") = "9"
    & skf18("8","5","10","5","7","9","1") = "9"
    & skf18("8","5","10","5","7","10","1") = "9"
    & skf18("8","5","10","5","8","1","1") = "9"
    & skf18("8","5","10","5","8","2","1") = "9"
    & skf18("8","5","10","5","8","3","1") = "9"
    & skf18("8","5","10","5","8","4","1") = "9"
    & skf18("8","5","10","5","8","5","1") = "9"
    & skf18("8","5","10","5","8","6","1") = "9"
    & skf18("8","5","10","5","8","7","1") = "9"
    & skf18("8","5","10","5","8","8","1") = "9"
    & skf18("8","5","10","5","8","9","1") = "9"
    & skf18("8","5","10","5","8","10","1") = "9"
    & skf18("8","5","10","5","9","1","1") = "9"
    & skf18("8","5","10","5","9","2","1") = "9"
    & skf18("8","5","10","5","9","3","1") = "9"
    & skf18("8","5","10","5","9","4","1") = "9"
    & skf18("8","5","10","5","9","5","1") = "9"
    & skf18("8","5","10","5","9","6","1") = "9"
    & skf18("8","5","10","5","9","7","1") = "9"
    & skf18("8","5","10","5","9","8","1") = "9"
    & skf18("8","5","10","5","9","9","1") = "9"
    & skf18("8","5","10","5","9","10","1") = "9"
    & skf18("8","5","10","5","10","1","1") = "9"
    & skf18("8","5","10","5","10","2","1") = "9"
    & skf18("8","5","10","5","10","3","1") = "9"
    & skf18("8","5","10","5","10","4","1") = "9"
    & skf18("8","5","10","5","10","5","1") = "9"
    & skf18("8","5","10","5","10","6","1") = "9"
    & skf18("8","5","10","5","10","7","1") = "9"
    & skf18("8","5","10","5","10","8","1") = "9"
    & skf18("8","5","10","5","10","9","1") = "9"
    & skf18("8","5","10","5","10","10","1") = "9"
    & skf18("8","5","10","6","1","1","1") = "9"
    & skf18("8","5","10","6","1","2","1") = "9"
    & skf18("8","5","10","6","1","3","1") = "9"
    & skf18("8","5","10","6","1","4","1") = "9"
    & skf18("8","5","10","6","1","5","1") = "9"
    & skf18("8","5","10","6","1","6","1") = "9"
    & skf18("8","5","10","6","1","7","1") = "9"
    & skf18("8","5","10","6","1","8","1") = "9"
    & skf18("8","5","10","6","1","9","1") = "9"
    & skf18("8","5","10","6","1","10","1") = "9"
    & skf18("8","5","10","6","2","1","1") = "9"
    & skf18("8","5","10","6","2","2","1") = "9"
    & skf18("8","5","10","6","2","3","1") = "9"
    & skf18("8","5","10","6","2","4","1") = "9"
    & skf18("8","5","10","6","2","5","1") = "9"
    & skf18("8","5","10","6","2","6","1") = "9"
    & skf18("8","5","10","6","2","7","1") = "9"
    & skf18("8","5","10","6","2","8","1") = "9"
    & skf18("8","5","10","6","2","9","1") = "9"
    & skf18("8","5","10","6","2","10","1") = "9"
    & skf18("8","5","10","6","3","1","1") = "9"
    & skf18("8","5","10","6","3","2","1") = "9"
    & skf18("8","5","10","6","3","3","1") = "9"
    & skf18("8","5","10","6","3","4","1") = "9"
    & skf18("8","5","10","6","3","5","1") = "9"
    & skf18("8","5","10","6","3","6","1") = "9"
    & skf18("8","5","10","6","3","7","1") = "9"
    & skf18("8","5","10","6","3","8","1") = "9"
    & skf18("8","5","10","6","3","9","1") = "9"
    & skf18("8","5","10","6","3","10","1") = "9"
    & skf18("8","5","10","6","4","1","1") = "9"
    & skf18("8","5","10","6","4","2","1") = "9"
    & skf18("8","5","10","6","4","3","1") = "9"
    & skf18("8","5","10","6","4","4","1") = "9"
    & skf18("8","5","10","6","4","5","1") = "9"
    & skf18("8","5","10","6","4","6","1") = "9"
    & skf18("8","5","10","6","4","7","1") = "9"
    & skf18("8","5","10","6","4","8","1") = "9"
    & skf18("8","5","10","6","4","9","1") = "9"
    & skf18("8","5","10","6","4","10","1") = "9"
    & skf18("8","5","10","6","5","1","1") = "9"
    & skf18("8","5","10","6","5","2","1") = "9"
    & skf18("8","5","10","6","5","3","1") = "9"
    & skf18("8","5","10","6","5","4","1") = "9"
    & skf18("8","5","10","6","5","5","1") = "9"
    & skf18("8","5","10","6","5","6","1") = "9"
    & skf18("8","5","10","6","5","7","1") = "9"
    & skf18("8","5","10","6","5","8","1") = "9"
    & skf18("8","5","10","6","5","9","1") = "9"
    & skf18("8","5","10","6","5","10","1") = "9"
    & skf18("8","5","10","6","6","1","1") = "9"
    & skf18("8","5","10","6","6","2","1") = "9"
    & skf18("8","5","10","6","6","3","1") = "9"
    & skf18("8","5","10","6","6","4","1") = "9"
    & skf18("8","5","10","6","6","5","1") = "9"
    & skf18("8","5","10","6","6","6","1") = "9"
    & skf18("8","5","10","6","6","7","1") = "9"
    & skf18("8","5","10","6","6","8","1") = "9"
    & skf18("8","5","10","6","6","9","1") = "9"
    & skf18("8","5","10","6","6","10","1") = "9"
    & skf18("8","5","10","6","7","1","1") = "9"
    & skf18("8","5","10","6","7","2","1") = "9"
    & skf18("8","5","10","6","7","3","1") = "9"
    & skf18("8","5","10","6","7","4","1") = "9"
    & skf18("8","5","10","6","7","5","1") = "9"
    & skf18("8","5","10","6","7","6","1") = "9"
    & skf18("8","5","10","6","7","7","1") = "9"
    & skf18("8","5","10","6","7","8","1") = "9"
    & skf18("8","5","10","6","7","9","1") = "9"
    & skf18("8","5","10","6","7","10","1") = "9"
    & skf18("8","5","10","6","8","1","1") = "9"
    & skf18("8","5","10","6","8","2","1") = "9"
    & skf18("8","5","10","6","8","3","1") = "9"
    & skf18("8","5","10","6","8","4","1") = "9"
    & skf18("8","5","10","6","8","5","1") = "9"
    & skf18("8","5","10","6","8","6","1") = "9"
    & skf18("8","5","10","6","8","7","1") = "9"
    & skf18("8","5","10","6","8","8","1") = "9"
    & skf18("8","5","10","6","8","9","1") = "9"
    & skf18("8","5","10","6","8","10","1") = "9"
    & skf18("8","5","10","6","9","1","1") = "9"
    & skf18("8","5","10","6","9","2","1") = "9"
    & skf18("8","5","10","6","9","3","1") = "9"
    & skf18("8","5","10","6","9","4","1") = "9"
    & skf18("8","5","10","6","9","5","1") = "9"
    & skf18("8","5","10","6","9","6","1") = "9"
    & skf18("8","5","10","6","9","7","1") = "9"
    & skf18("8","5","10","6","9","8","1") = "9"
    & skf18("8","5","10","6","9","9","1") = "9"
    & skf18("8","5","10","6","9","10","1") = "9"
    & skf18("8","5","10","6","10","1","1") = "9"
    & skf18("8","5","10","6","10","2","1") = "9"
    & skf18("8","5","10","6","10","3","1") = "9"
    & skf18("8","5","10","6","10","4","1") = "9"
    & skf18("8","5","10","6","10","5","1") = "9"
    & skf18("8","5","10","6","10","6","1") = "9"
    & skf18("8","5","10","6","10","7","1") = "9"
    & skf18("8","5","10","6","10","8","1") = "9"
    & skf18("8","5","10","6","10","9","1") = "9"
    & skf18("8","5","10","6","10","10","1") = "9"
    & skf18("8","5","10","7","1","1","1") = "9"
    & skf18("8","5","10","7","1","2","1") = "9"
    & skf18("8","5","10","7","1","3","1") = "9"
    & skf18("8","5","10","7","1","4","1") = "9"
    & skf18("8","5","10","7","1","5","1") = "9"
    & skf18("8","5","10","7","1","6","1") = "9"
    & skf18("8","5","10","7","1","7","1") = "9"
    & skf18("8","5","10","7","1","8","1") = "9"
    & skf18("8","5","10","7","1","9","1") = "9"
    & skf18("8","5","10","7","1","10","1") = "9"
    & skf18("8","5","10","7","2","1","1") = "9"
    & skf18("8","5","10","7","2","2","1") = "9"
    & skf18("8","5","10","7","2","3","1") = "9"
    & skf18("8","5","10","7","2","4","1") = "9"
    & skf18("8","5","10","7","2","5","1") = "9"
    & skf18("8","5","10","7","2","6","1") = "9"
    & skf18("8","5","10","7","2","7","1") = "9"
    & skf18("8","5","10","7","2","8","1") = "9"
    & skf18("8","5","10","7","2","9","1") = "9"
    & skf18("8","5","10","7","2","10","1") = "9"
    & skf18("8","5","10","7","3","1","1") = "9"
    & skf18("8","5","10","7","3","2","1") = "9"
    & skf18("8","5","10","7","3","3","1") = "9"
    & skf18("8","5","10","7","3","4","1") = "9"
    & skf18("8","5","10","7","3","5","1") = "9"
    & skf18("8","5","10","7","3","6","1") = "9"
    & skf18("8","5","10","7","3","7","1") = "9"
    & skf18("8","5","10","7","3","8","1") = "9"
    & skf18("8","5","10","7","3","9","1") = "9"
    & skf18("8","5","10","7","3","10","1") = "9"
    & skf18("8","5","10","7","4","1","1") = "9"
    & skf18("8","5","10","7","4","2","1") = "9"
    & skf18("8","5","10","7","4","3","1") = "9"
    & skf18("8","5","10","7","4","4","1") = "9"
    & skf18("8","5","10","7","4","5","1") = "9"
    & skf18("8","5","10","7","4","6","1") = "9"
    & skf18("8","5","10","7","4","7","1") = "9"
    & skf18("8","5","10","7","4","8","1") = "9"
    & skf18("8","5","10","7","4","9","1") = "9"
    & skf18("8","5","10","7","4","10","1") = "9"
    & skf18("8","5","10","7","5","1","1") = "9"
    & skf18("8","5","10","7","5","2","1") = "9"
    & skf18("8","5","10","7","5","3","1") = "9"
    & skf18("8","5","10","7","5","4","1") = "9"
    & skf18("8","5","10","7","5","5","1") = "9"
    & skf18("8","5","10","7","5","6","1") = "9"
    & skf18("8","5","10","7","5","7","1") = "9"
    & skf18("8","5","10","7","5","8","1") = "9"
    & skf18("8","5","10","7","5","9","1") = "9"
    & skf18("8","5","10","7","5","10","1") = "9"
    & skf18("8","5","10","7","6","1","1") = "9"
    & skf18("8","5","10","7","6","2","1") = "9"
    & skf18("8","5","10","7","6","3","1") = "9"
    & skf18("8","5","10","7","6","4","1") = "9"
    & skf18("8","5","10","7","6","5","1") = "9"
    & skf18("8","5","10","7","6","6","1") = "9"
    & skf18("8","5","10","7","6","7","1") = "9"
    & skf18("8","5","10","7","6","8","1") = "9"
    & skf18("8","5","10","7","6","9","1") = "9"
    & skf18("8","5","10","7","6","10","1") = "9"
    & skf18("8","5","10","7","7","1","1") = "9"
    & skf18("8","5","10","7","7","2","1") = "9"
    & skf18("8","5","10","7","7","3","1") = "9"
    & skf18("8","5","10","7","7","4","1") = "9"
    & skf18("8","5","10","7","7","5","1") = "9"
    & skf18("8","5","10","7","7","6","1") = "9"
    & skf18("8","5","10","7","7","7","1") = "9"
    & skf18("8","5","10","7","7","8","1") = "9"
    & skf18("8","5","10","7","7","9","1") = "9"
    & skf18("8","5","10","7","7","10","1") = "9"
    & skf18("8","5","10","7","8","1","1") = "9"
    & skf18("8","5","10","7","8","2","1") = "9"
    & skf18("8","5","10","7","8","3","1") = "9"
    & skf18("8","5","10","7","8","4","1") = "9"
    & skf18("8","5","10","7","8","5","1") = "9"
    & skf18("8","5","10","7","8","6","1") = "9"
    & skf18("8","5","10","7","8","7","1") = "9"
    & skf18("8","5","10","7","8","8","1") = "9"
    & skf18("8","5","10","7","8","9","1") = "9"
    & skf18("8","5","10","7","8","10","1") = "9"
    & skf18("8","5","10","7","9","1","1") = "9"
    & skf18("8","5","10","7","9","2","1") = "9"
    & skf18("8","5","10","7","9","3","1") = "9"
    & skf18("8","5","10","7","9","4","1") = "9"
    & skf18("8","5","10","7","9","5","1") = "9"
    & skf18("8","5","10","7","9","6","1") = "9"
    & skf18("8","5","10","7","9","7","1") = "9"
    & skf18("8","5","10","7","9","8","1") = "9"
    & skf18("8","5","10","7","9","9","1") = "9"
    & skf18("8","5","10","7","9","10","1") = "9"
    & skf18("8","5","10","7","10","1","1") = "9"
    & skf18("8","5","10","7","10","2","1") = "9"
    & skf18("8","5","10","7","10","3","1") = "9"
    & skf18("8","5","10","7","10","4","1") = "9"
    & skf18("8","5","10","7","10","5","1") = "9"
    & skf18("8","5","10","7","10","6","1") = "9"
    & skf18("8","5","10","7","10","7","1") = "9"
    & skf18("8","5","10","7","10","8","1") = "9"
    & skf18("8","5","10","7","10","9","1") = "9"
    & skf18("8","5","10","7","10","10","1") = "9"
    & skf18("8","5","10","8","1","1","1") = "9"
    & skf18("8","5","10","8","1","2","1") = "9"
    & skf18("8","5","10","8","1","3","1") = "9"
    & skf18("8","5","10","8","1","4","1") = "9"
    & skf18("8","5","10","8","1","5","1") = "9"
    & skf18("8","5","10","8","1","6","1") = "9"
    & skf18("8","5","10","8","1","7","1") = "9"
    & skf18("8","5","10","8","1","8","1") = "9"
    & skf18("8","5","10","8","1","9","1") = "9"
    & skf18("8","5","10","8","1","10","1") = "9"
    & skf18("8","5","10","8","2","1","1") = "9"
    & skf18("8","5","10","8","2","2","1") = "9"
    & skf18("8","5","10","8","2","3","1") = "9"
    & skf18("8","5","10","8","2","4","1") = "9"
    & skf18("8","5","10","8","2","5","1") = "9"
    & skf18("8","5","10","8","2","6","1") = "9"
    & skf18("8","5","10","8","2","7","1") = "9"
    & skf18("8","5","10","8","2","8","1") = "9"
    & skf18("8","5","10","8","2","9","1") = "9"
    & skf18("8","5","10","8","2","10","1") = "9"
    & skf18("8","5","10","8","3","1","1") = "9"
    & skf18("8","5","10","8","3","2","1") = "9"
    & skf18("8","5","10","8","3","3","1") = "9"
    & skf18("8","5","10","8","3","4","1") = "9"
    & skf18("8","5","10","8","3","5","1") = "9"
    & skf18("8","5","10","8","3","6","1") = "9"
    & skf18("8","5","10","8","3","7","1") = "9"
    & skf18("8","5","10","8","3","8","1") = "9"
    & skf18("8","5","10","8","3","9","1") = "9"
    & skf18("8","5","10","8","3","10","1") = "9"
    & skf18("8","5","10","8","4","1","1") = "9"
    & skf18("8","5","10","8","4","2","1") = "9"
    & skf18("8","5","10","8","4","3","1") = "9"
    & skf18("8","5","10","8","4","4","1") = "9"
    & skf18("8","5","10","8","4","5","1") = "9"
    & skf18("8","5","10","8","4","6","1") = "9"
    & skf18("8","5","10","8","4","7","1") = "9"
    & skf18("8","5","10","8","4","8","1") = "9"
    & skf18("8","5","10","8","4","9","1") = "9"
    & skf18("8","5","10","8","4","10","1") = "9"
    & skf18("8","5","10","8","5","1","1") = "9"
    & skf18("8","5","10","8","5","2","1") = "9"
    & skf18("8","5","10","8","5","3","1") = "9"
    & skf18("8","5","10","8","5","4","1") = "9"
    & skf18("8","5","10","8","5","5","1") = "9"
    & skf18("8","5","10","8","5","6","1") = "9"
    & skf18("8","5","10","8","5","7","1") = "9"
    & skf18("8","5","10","8","5","8","1") = "9"
    & skf18("8","5","10","8","5","9","1") = "9"
    & skf18("8","5","10","8","5","10","1") = "9"
    & skf18("8","5","10","8","6","1","1") = "9"
    & skf18("8","5","10","8","6","2","1") = "9"
    & skf18("8","5","10","8","6","3","1") = "9"
    & skf18("8","5","10","8","6","4","1") = "9"
    & skf18("8","5","10","8","6","5","1") = "9"
    & skf18("8","5","10","8","6","6","1") = "9"
    & skf18("8","5","10","8","6","7","1") = "9"
    & skf18("8","5","10","8","6","8","1") = "9"
    & skf18("8","5","10","8","6","9","1") = "9"
    & skf18("8","5","10","8","6","10","1") = "9"
    & skf18("8","5","10","8","7","1","1") = "9"
    & skf18("8","5","10","8","7","2","1") = "9"
    & skf18("8","5","10","8","7","3","1") = "9"
    & skf18("8","5","10","8","7","4","1") = "9"
    & skf18("8","5","10","8","7","5","1") = "9"
    & skf18("8","5","10","8","7","6","1") = "9"
    & skf18("8","5","10","8","7","7","1") = "9"
    & skf18("8","5","10","8","7","8","1") = "9"
    & skf18("8","5","10","8","7","9","1") = "9"
    & skf18("8","5","10","8","7","10","1") = "9"
    & skf18("8","5","10","8","8","1","1") = "9"
    & skf18("8","5","10","8","8","2","1") = "9"
    & skf18("8","5","10","8","8","3","1") = "9"
    & skf18("8","5","10","8","8","4","1") = "9"
    & skf18("8","5","10","8","8","5","1") = "9"
    & skf18("8","5","10","8","8","6","1") = "9"
    & skf18("8","5","10","8","8","7","1") = "9"
    & skf18("8","5","10","8","8","8","1") = "9"
    & skf18("8","5","10","8","8","9","1") = "9"
    & skf18("8","5","10","8","8","10","1") = "9"
    & skf18("8","5","10","8","9","1","1") = "9"
    & skf18("8","5","10","8","9","2","1") = "9"
    & skf18("8","5","10","8","9","3","1") = "9"
    & skf18("8","5","10","8","9","4","1") = "9"
    & skf18("8","5","10","8","9","5","1") = "9"
    & skf18("8","5","10","8","9","6","1") = "9"
    & skf18("8","5","10","8","9","7","1") = "9"
    & skf18("8","5","10","8","9","8","1") = "9"
    & skf18("8","5","10","8","9","9","1") = "9"
    & skf18("8","5","10","8","9","10","1") = "9"
    & skf18("8","5","10","8","10","1","1") = "9"
    & skf18("8","5","10","8","10","2","1") = "9"
    & skf18("8","5","10","8","10","3","1") = "9"
    & skf18("8","5","10","8","10","4","1") = "9"
    & skf18("8","5","10","8","10","5","1") = "9"
    & skf18("8","5","10","8","10","6","1") = "9"
    & skf18("8","5","10","8","10","7","1") = "9"
    & skf18("8","5","10","8","10","8","1") = "9"
    & skf18("8","5","10","8","10","9","1") = "9"
    & skf18("8","5","10","8","10","10","1") = "9"
    & skf18("8","5","10","9","1","1","1") = "9"
    & skf18("8","5","10","9","1","2","1") = "9"
    & skf18("8","5","10","9","1","3","1") = "9"
    & skf18("8","5","10","9","1","4","1") = "9"
    & skf18("8","5","10","9","1","5","1") = "9"
    & skf18("8","5","10","9","1","6","1") = "9"
    & skf18("8","5","10","9","1","7","1") = "9"
    & skf18("8","5","10","9","1","8","1") = "9"
    & skf18("8","5","10","9","1","9","1") = "9"
    & skf18("8","5","10","9","1","10","1") = "9"
    & skf18("8","5","10","9","2","1","1") = "9"
    & skf18("8","5","10","9","2","2","1") = "9"
    & skf18("8","5","10","9","2","3","1") = "9"
    & skf18("8","5","10","9","2","4","1") = "9"
    & skf18("8","5","10","9","2","5","1") = "9"
    & skf18("8","5","10","9","2","6","1") = "9"
    & skf18("8","5","10","9","2","7","1") = "9"
    & skf18("8","5","10","9","2","8","1") = "9"
    & skf18("8","5","10","9","2","9","1") = "9"
    & skf18("8","5","10","9","2","10","1") = "9"
    & skf18("8","5","10","9","3","1","1") = "9"
    & skf18("8","5","10","9","3","2","1") = "9"
    & skf18("8","5","10","9","3","3","1") = "9"
    & skf18("8","5","10","9","3","4","1") = "9"
    & skf18("8","5","10","9","3","5","1") = "9"
    & skf18("8","5","10","9","3","6","1") = "9"
    & skf18("8","5","10","9","3","7","1") = "9"
    & skf18("8","5","10","9","3","8","1") = "9"
    & skf18("8","5","10","9","3","9","1") = "9"
    & skf18("8","5","10","9","3","10","1") = "9"
    & skf18("8","5","10","9","4","1","1") = "9"
    & skf18("8","5","10","9","4","2","1") = "9"
    & skf18("8","5","10","9","4","3","1") = "9"
    & skf18("8","5","10","9","4","4","1") = "9"
    & skf18("8","5","10","9","4","5","1") = "9"
    & skf18("8","5","10","9","4","6","1") = "9"
    & skf18("8","5","10","9","4","7","1") = "9"
    & skf18("8","5","10","9","4","8","1") = "9"
    & skf18("8","5","10","9","4","9","1") = "9"
    & skf18("8","5","10","9","4","10","1") = "9"
    & skf18("8","5","10","9","5","1","1") = "9"
    & skf18("8","5","10","9","5","2","1") = "9"
    & skf18("8","5","10","9","5","3","1") = "9"
    & skf18("8","5","10","9","5","4","1") = "9"
    & skf18("8","5","10","9","5","5","1") = "9"
    & skf18("8","5","10","9","5","6","1") = "9"
    & skf18("8","5","10","9","5","7","1") = "9"
    & skf18("8","5","10","9","5","8","1") = "9"
    & skf18("8","5","10","9","5","9","1") = "9"
    & skf18("8","5","10","9","5","10","1") = "9"
    & skf18("8","5","10","9","6","1","1") = "9"
    & skf18("8","5","10","9","6","2","1") = "9"
    & skf18("8","5","10","9","6","3","1") = "9"
    & skf18("8","5","10","9","6","4","1") = "9"
    & skf18("8","5","10","9","6","5","1") = "9"
    & skf18("8","5","10","9","6","6","1") = "9"
    & skf18("8","5","10","9","6","7","1") = "9"
    & skf18("8","5","10","9","6","8","1") = "9"
    & skf18("8","5","10","9","6","9","1") = "9"
    & skf18("8","5","10","9","6","10","1") = "9"
    & skf18("8","5","10","9","7","1","1") = "9"
    & skf18("8","5","10","9","7","2","1") = "9"
    & skf18("8","5","10","9","7","3","1") = "9"
    & skf18("8","5","10","9","7","4","1") = "9"
    & skf18("8","5","10","9","7","5","1") = "9"
    & skf18("8","5","10","9","7","6","1") = "9"
    & skf18("8","5","10","9","7","7","1") = "9"
    & skf18("8","5","10","9","7","8","1") = "9"
    & skf18("8","5","10","9","7","9","1") = "9"
    & skf18("8","5","10","9","7","10","1") = "9"
    & skf18("8","5","10","9","8","1","1") = "9"
    & skf18("8","5","10","9","8","2","1") = "9"
    & skf18("8","5","10","9","8","3","1") = "9"
    & skf18("8","5","10","9","8","4","1") = "9"
    & skf18("8","5","10","9","8","5","1") = "9"
    & skf18("8","5","10","9","8","6","1") = "9"
    & skf18("8","5","10","9","8","7","1") = "9"
    & skf18("8","5","10","9","8","8","1") = "9"
    & skf18("8","5","10","9","8","9","1") = "9"
    & skf18("8","5","10","9","8","10","1") = "9"
    & skf18("8","5","10","9","9","1","1") = "9"
    & skf18("8","5","10","9","9","2","1") = "9"
    & skf18("8","5","10","9","9","3","1") = "9"
    & skf18("8","5","10","9","9","4","1") = "9"
    & skf18("8","5","10","9","9","5","1") = "9"
    & skf18("8","5","10","9","9","6","1") = "9"
    & skf18("8","5","10","9","9","7","1") = "9"
    & skf18("8","5","10","9","9","8","1") = "9"
    & skf18("8","5","10","9","9","9","1") = "9"
    & skf18("8","5","10","9","9","10","1") = "9"
    & skf18("8","5","10","9","10","1","1") = "9"
    & skf18("8","5","10","9","10","2","1") = "9"
    & skf18("8","5","10","9","10","3","1") = "9"
    & skf18("8","5","10","9","10","4","1") = "9"
    & skf18("8","5","10","9","10","5","1") = "9"
    & skf18("8","5","10","9","10","6","1") = "9"
    & skf18("8","5","10","9","10","7","1") = "9"
    & skf18("8","5","10","9","10","8","1") = "9"
    & skf18("8","5","10","9","10","9","1") = "9"
    & skf18("8","5","10","9","10","10","1") = "9"
    & skf18("8","5","10","10","1","1","1") = "9"
    & skf18("8","5","10","10","1","2","1") = "9"
    & skf18("8","5","10","10","1","3","1") = "9"
    & skf18("8","5","10","10","1","4","1") = "9"
    & skf18("8","5","10","10","1","5","1") = "9"
    & skf18("8","5","10","10","1","6","1") = "9"
    & skf18("8","5","10","10","1","7","1") = "9"
    & skf18("8","5","10","10","1","8","1") = "9"
    & skf18("8","5","10","10","1","9","1") = "9"
    & skf18("8","5","10","10","1","10","1") = "9"
    & skf18("8","5","10","10","2","1","1") = "9"
    & skf18("8","5","10","10","2","2","1") = "9"
    & skf18("8","5","10","10","2","3","1") = "9"
    & skf18("8","5","10","10","2","4","1") = "9"
    & skf18("8","5","10","10","2","5","1") = "9"
    & skf18("8","5","10","10","2","6","1") = "9"
    & skf18("8","5","10","10","2","7","1") = "9"
    & skf18("8","5","10","10","2","8","1") = "9"
    & skf18("8","5","10","10","2","9","1") = "9"
    & skf18("8","5","10","10","2","10","1") = "9"
    & skf18("8","5","10","10","3","1","1") = "9"
    & skf18("8","5","10","10","3","2","1") = "9"
    & skf18("8","5","10","10","3","3","1") = "9"
    & skf18("8","5","10","10","3","4","1") = "9"
    & skf18("8","5","10","10","3","5","1") = "9"
    & skf18("8","5","10","10","3","6","1") = "9"
    & skf18("8","5","10","10","3","7","1") = "9"
    & skf18("8","5","10","10","3","8","1") = "9"
    & skf18("8","5","10","10","3","9","1") = "9"
    & skf18("8","5","10","10","3","10","1") = "9"
    & skf18("8","5","10","10","4","1","1") = "9"
    & skf18("8","5","10","10","4","2","1") = "9"
    & skf18("8","5","10","10","4","3","1") = "9"
    & skf18("8","5","10","10","4","4","1") = "9"
    & skf18("8","5","10","10","4","5","1") = "9"
    & skf18("8","5","10","10","4","6","1") = "9"
    & skf18("8","5","10","10","4","7","1") = "9"
    & skf18("8","5","10","10","4","8","1") = "9"
    & skf18("8","5","10","10","4","9","1") = "9"
    & skf18("8","5","10","10","4","10","1") = "9"
    & skf18("8","5","10","10","5","1","1") = "9"
    & skf18("8","5","10","10","5","2","1") = "9"
    & skf18("8","5","10","10","5","3","1") = "9"
    & skf18("8","5","10","10","5","4","1") = "9"
    & skf18("8","5","10","10","5","5","1") = "9"
    & skf18("8","5","10","10","5","6","1") = "9"
    & skf18("8","5","10","10","5","7","1") = "9"
    & skf18("8","5","10","10","5","8","1") = "9"
    & skf18("8","5","10","10","5","9","1") = "9"
    & skf18("8","5","10","10","5","10","1") = "9"
    & skf18("8","5","10","10","6","1","1") = "9"
    & skf18("8","5","10","10","6","2","1") = "9"
    & skf18("8","5","10","10","6","3","1") = "9"
    & skf18("8","5","10","10","6","4","1") = "9"
    & skf18("8","5","10","10","6","5","1") = "9"
    & skf18("8","5","10","10","6","6","1") = "9"
    & skf18("8","5","10","10","6","7","1") = "9"
    & skf18("8","5","10","10","6","8","1") = "9"
    & skf18("8","5","10","10","6","9","1") = "9"
    & skf18("8","5","10","10","6","10","1") = "9"
    & skf18("8","5","10","10","7","1","1") = "9"
    & skf18("8","5","10","10","7","2","1") = "9"
    & skf18("8","5","10","10","7","3","1") = "9"
    & skf18("8","5","10","10","7","4","1") = "9"
    & skf18("8","5","10","10","7","5","1") = "9"
    & skf18("8","5","10","10","7","6","1") = "9"
    & skf18("8","5","10","10","7","7","1") = "9"
    & skf18("8","5","10","10","7","8","1") = "9"
    & skf18("8","5","10","10","7","9","1") = "9"
    & skf18("8","5","10","10","7","10","1") = "9"
    & skf18("8","5","10","10","8","1","1") = "9"
    & skf18("8","5","10","10","8","2","1") = "9"
    & skf18("8","5","10","10","8","3","1") = "9"
    & skf18("8","5","10","10","8","4","1") = "9"
    & skf18("8","5","10","10","8","5","1") = "9"
    & skf18("8","5","10","10","8","6","1") = "9"
    & skf18("8","5","10","10","8","7","1") = "9"
    & skf18("8","5","10","10","8","8","1") = "9"
    & skf18("8","5","10","10","8","9","1") = "9"
    & skf18("8","5","10","10","8","10","1") = "9"
    & skf18("8","5","10","10","9","1","1") = "9"
    & skf18("8","5","10","10","9","2","1") = "9"
    & skf18("8","5","10","10","9","3","1") = "9"
    & skf18("8","5","10","10","9","4","1") = "9"
    & skf18("8","5","10","10","9","5","1") = "9"
    & skf18("8","5","10","10","9","6","1") = "9"
    & skf18("8","5","10","10","9","7","1") = "9"
    & skf18("8","5","10","10","9","8","1") = "9"
    & skf18("8","5","10","10","9","9","1") = "9"
    & skf18("8","5","10","10","9","10","1") = "9"
    & skf18("8","5","10","10","10","1","1") = "9"
    & skf18("8","5","10","10","10","2","1") = "9"
    & skf18("8","5","10","10","10","3","1") = "9"
    & skf18("8","5","10","10","10","4","1") = "9"
    & skf18("8","5","10","10","10","5","1") = "9"
    & skf18("8","5","10","10","10","6","1") = "9"
    & skf18("8","5","10","10","10","7","1") = "9"
    & skf18("8","5","10","10","10","8","1") = "9"
    & skf18("8","5","10","10","10","9","1") = "9"
    & skf18("8","5","10","10","10","10","1") = "9"
    & skf18("8","6","1","1","1","1","1") = "7"
    & skf18("8","6","1","1","1","2","1") = "7"
    & skf18("8","6","1","1","1","3","1") = "7"
    & skf18("8","6","1","1","1","4","1") = "7"
    & skf18("8","6","1","1","1","5","1") = "7"
    & skf18("8","6","1","1","1","6","1") = "7"
    & skf18("8","6","1","1","1","7","1") = "7"
    & skf18("8","6","1","1","1","8","1") = "7"
    & skf18("8","6","1","1","1","9","1") = "8"
    & skf18("8","6","1","1","1","10","1") = "9"
    & skf18("8","6","1","1","2","1","1") = "7"
    & skf18("8","6","1","1","2","2","1") = "7"
    & skf18("8","6","1","1","2","3","1") = "7"
    & skf18("8","6","1","1","2","4","1") = "7"
    & skf18("8","6","1","1","2","5","1") = "7"
    & skf18("8","6","1","1","2","6","1") = "7"
    & skf18("8","6","1","1","2","7","1") = "7"
    & skf18("8","6","1","1","2","8","1") = "7"
    & skf18("8","6","1","1","2","9","1") = "8"
    & skf18("8","6","1","1","2","10","1") = "9"
    & skf18("8","6","1","1","3","1","1") = "7"
    & skf18("8","6","1","1","3","2","1") = "7"
    & skf18("8","6","1","1","3","3","1") = "7"
    & skf18("8","6","1","1","3","4","1") = "7"
    & skf18("8","6","1","1","3","5","1") = "7"
    & skf18("8","6","1","1","3","6","1") = "7"
    & skf18("8","6","1","1","3","7","1") = "7"
    & skf18("8","6","1","1","3","8","1") = "7"
    & skf18("8","6","1","1","3","9","1") = "8"
    & skf18("8","6","1","1","3","10","1") = "9"
    & skf18("8","6","1","1","4","1","1") = "7"
    & skf18("8","6","1","1","4","2","1") = "7"
    & skf18("8","6","1","1","4","3","1") = "7"
    & skf18("8","6","1","1","4","4","1") = "7"
    & skf18("8","6","1","1","4","5","1") = "7"
    & skf18("8","6","1","1","4","6","1") = "7"
    & skf18("8","6","1","1","4","7","1") = "7"
    & skf18("8","6","1","1","4","8","1") = "7"
    & skf18("8","6","1","1","4","9","1") = "8"
    & skf18("8","6","1","1","4","10","1") = "9"
    & skf18("8","6","1","1","5","1","1") = "7"
    & skf18("8","6","1","1","5","2","1") = "7"
    & skf18("8","6","1","1","5","3","1") = "7"
    & skf18("8","6","1","1","5","4","1") = "7"
    & skf18("8","6","1","1","5","5","1") = "7"
    & skf18("8","6","1","1","5","6","1") = "7"
    & skf18("8","6","1","1","5","7","1") = "7"
    & skf18("8","6","1","1","5","8","1") = "7"
    & skf18("8","6","1","1","5","9","1") = "8"
    & skf18("8","6","1","1","5","10","1") = "9"
    & skf18("8","6","1","1","6","1","1") = "7"
    & skf18("8","6","1","1","6","2","1") = "7"
    & skf18("8","6","1","1","6","3","1") = "7"
    & skf18("8","6","1","1","6","4","1") = "7"
    & skf18("8","6","1","1","6","5","1") = "7"
    & skf18("8","6","1","1","6","6","1") = "7"
    & skf18("8","6","1","1","6","7","1") = "7"
    & skf18("8","6","1","1","6","8","1") = "7"
    & skf18("8","6","1","1","6","9","1") = "8"
    & skf18("8","6","1","1","6","10","1") = "9"
    & skf18("8","6","1","1","7","1","1") = "7"
    & skf18("8","6","1","1","7","2","1") = "7"
    & skf18("8","6","1","1","7","3","1") = "7"
    & skf18("8","6","1","1","7","4","1") = "7"
    & skf18("8","6","1","1","7","5","1") = "7"
    & skf18("8","6","1","1","7","6","1") = "7"
    & skf18("8","6","1","1","7","7","1") = "7"
    & skf18("8","6","1","1","7","8","1") = "7"
    & skf18("8","6","1","1","7","9","1") = "8"
    & skf18("8","6","1","1","7","10","1") = "9"
    & skf18("8","6","1","1","8","1","1") = "7"
    & skf18("8","6","1","1","8","2","1") = "7"
    & skf18("8","6","1","1","8","3","1") = "7"
    & skf18("8","6","1","1","8","4","1") = "7"
    & skf18("8","6","1","1","8","5","1") = "7"
    & skf18("8","6","1","1","8","6","1") = "7"
    & skf18("8","6","1","1","8","7","1") = "7"
    & skf18("8","6","1","1","8","8","1") = "7"
    & skf18("8","6","1","1","8","9","1") = "8"
    & skf18("8","6","1","1","8","10","1") = "9"
    & skf18("8","6","1","1","9","1","1") = "8"
    & skf18("8","6","1","1","9","2","1") = "8"
    & skf18("8","6","1","1","9","3","1") = "8"
    & skf18("8","6","1","1","9","4","1") = "8"
    & skf18("8","6","1","1","9","5","1") = "8"
    & skf18("8","6","1","1","9","6","1") = "8"
    & skf18("8","6","1","1","9","7","1") = "8"
    & skf18("8","6","1","1","9","8","1") = "8"
    & skf18("8","6","1","1","9","9","1") = "8"
    & skf18("8","6","1","1","9","10","1") = "9"
    & skf18("8","6","1","1","10","1","1") = "9"
    & skf18("8","6","1","1","10","2","1") = "9"
    & skf18("8","6","1","1","10","3","1") = "9"
    & skf18("8","6","1","1","10","4","1") = "9"
    & skf18("8","6","1","1","10","5","1") = "9"
    & skf18("8","6","1","1","10","6","1") = "9"
    & skf18("8","6","1","1","10","7","1") = "9"
    & skf18("8","6","1","1","10","8","1") = "9"
    & skf18("8","6","1","1","10","9","1") = "9"
    & skf18("8","6","1","1","10","10","1") = "9"
    & skf18("8","6","1","2","1","1","1") = "7"
    & skf18("8","6","1","2","1","2","1") = "7"
    & skf18("8","6","1","2","1","3","1") = "7"
    & skf18("8","6","1","2","1","4","1") = "7"
    & skf18("8","6","1","2","1","5","1") = "7"
    & skf18("8","6","1","2","1","6","1") = "7"
    & skf18("8","6","1","2","1","7","1") = "7"
    & skf18("8","6","1","2","1","8","1") = "7"
    & skf18("8","6","1","2","1","9","1") = "8"
    & skf18("8","6","1","2","1","10","1") = "9"
    & skf18("8","6","1","2","2","1","1") = "7"
    & skf18("8","6","1","2","2","2","1") = "7"
    & skf18("8","6","1","2","2","3","1") = "7"
    & skf18("8","6","1","2","2","4","1") = "7"
    & skf18("8","6","1","2","2","5","1") = "7"
    & skf18("8","6","1","2","2","6","1") = "7"
    & skf18("8","6","1","2","2","7","1") = "7"
    & skf18("8","6","1","2","2","8","1") = "7"
    & skf18("8","6","1","2","2","9","1") = "8"
    & skf18("8","6","1","2","2","10","1") = "9"
    & skf18("8","6","1","2","3","1","1") = "7"
    & skf18("8","6","1","2","3","2","1") = "7"
    & skf18("8","6","1","2","3","3","1") = "7"
    & skf18("8","6","1","2","3","4","1") = "7"
    & skf18("8","6","1","2","3","5","1") = "7"
    & skf18("8","6","1","2","3","6","1") = "7"
    & skf18("8","6","1","2","3","7","1") = "7"
    & skf18("8","6","1","2","3","8","1") = "7"
    & skf18("8","6","1","2","3","9","1") = "8"
    & skf18("8","6","1","2","3","10","1") = "9"
    & skf18("8","6","1","2","4","1","1") = "7"
    & skf18("8","6","1","2","4","2","1") = "7"
    & skf18("8","6","1","2","4","3","1") = "7"
    & skf18("8","6","1","2","4","4","1") = "7"
    & skf18("8","6","1","2","4","5","1") = "7"
    & skf18("8","6","1","2","4","6","1") = "7"
    & skf18("8","6","1","2","4","7","1") = "7"
    & skf18("8","6","1","2","4","8","1") = "7"
    & skf18("8","6","1","2","4","9","1") = "8"
    & skf18("8","6","1","2","4","10","1") = "9"
    & skf18("8","6","1","2","5","1","1") = "7"
    & skf18("8","6","1","2","5","2","1") = "7"
    & skf18("8","6","1","2","5","3","1") = "7"
    & skf18("8","6","1","2","5","4","1") = "7"
    & skf18("8","6","1","2","5","5","1") = "7"
    & skf18("8","6","1","2","5","6","1") = "7"
    & skf18("8","6","1","2","5","7","1") = "7"
    & skf18("8","6","1","2","5","8","1") = "7"
    & skf18("8","6","1","2","5","9","1") = "8"
    & skf18("8","6","1","2","5","10","1") = "9"
    & skf18("8","6","1","2","6","1","1") = "7"
    & skf18("8","6","1","2","6","2","1") = "7"
    & skf18("8","6","1","2","6","3","1") = "7"
    & skf18("8","6","1","2","6","4","1") = "7"
    & skf18("8","6","1","2","6","5","1") = "7"
    & skf18("8","6","1","2","6","6","1") = "7"
    & skf18("8","6","1","2","6","7","1") = "7"
    & skf18("8","6","1","2","6","8","1") = "7"
    & skf18("8","6","1","2","6","9","1") = "8"
    & skf18("8","6","1","2","6","10","1") = "9"
    & skf18("8","6","1","2","7","1","1") = "7"
    & skf18("8","6","1","2","7","2","1") = "7"
    & skf18("8","6","1","2","7","3","1") = "7"
    & skf18("8","6","1","2","7","4","1") = "7"
    & skf18("8","6","1","2","7","5","1") = "7"
    & skf18("8","6","1","2","7","6","1") = "7"
    & skf18("8","6","1","2","7","7","1") = "7"
    & skf18("8","6","1","2","7","8","1") = "7"
    & skf18("8","6","1","2","7","9","1") = "8"
    & skf18("8","6","1","2","7","10","1") = "9"
    & skf18("8","6","1","2","8","1","1") = "7"
    & skf18("8","6","1","2","8","2","1") = "7"
    & skf18("8","6","1","2","8","3","1") = "7"
    & skf18("8","6","1","2","8","4","1") = "7"
    & skf18("8","6","1","2","8","5","1") = "7"
    & skf18("8","6","1","2","8","6","1") = "7"
    & skf18("8","6","1","2","8","7","1") = "7"
    & skf18("8","6","1","2","8","8","1") = "7"
    & skf18("8","6","1","2","8","9","1") = "8"
    & skf18("8","6","1","2","8","10","1") = "9"
    & skf18("8","6","1","2","9","1","1") = "8"
    & skf18("8","6","1","2","9","2","1") = "8"
    & skf18("8","6","1","2","9","3","1") = "8"
    & skf18("8","6","1","2","9","4","1") = "8"
    & skf18("8","6","1","2","9","5","1") = "8"
    & skf18("8","6","1","2","9","6","1") = "8"
    & skf18("8","6","1","2","9","7","1") = "8"
    & skf18("8","6","1","2","9","8","1") = "8"
    & skf18("8","6","1","2","9","9","1") = "8"
    & skf18("8","6","1","2","9","10","1") = "9"
    & skf18("8","6","1","2","10","1","1") = "9"
    & skf18("8","6","1","2","10","2","1") = "9"
    & skf18("8","6","1","2","10","3","1") = "9"
    & skf18("8","6","1","2","10","4","1") = "9"
    & skf18("8","6","1","2","10","5","1") = "9"
    & skf18("8","6","1","2","10","6","1") = "9"
    & skf18("8","6","1","2","10","7","1") = "9"
    & skf18("8","6","1","2","10","8","1") = "9"
    & skf18("8","6","1","2","10","9","1") = "9"
    & skf18("8","6","1","2","10","10","1") = "9"
    & skf18("8","6","1","3","1","1","1") = "7"
    & skf18("8","6","1","3","1","2","1") = "7"
    & skf18("8","6","1","3","1","3","1") = "7"
    & skf18("8","6","1","3","1","4","1") = "7"
    & skf18("8","6","1","3","1","5","1") = "7"
    & skf18("8","6","1","3","1","6","1") = "7"
    & skf18("8","6","1","3","1","7","1") = "7"
    & skf18("8","6","1","3","1","8","1") = "7"
    & skf18("8","6","1","3","1","9","1") = "8"
    & skf18("8","6","1","3","1","10","1") = "9"
    & skf18("8","6","1","3","2","1","1") = "7"
    & skf18("8","6","1","3","2","2","1") = "7"
    & skf18("8","6","1","3","2","3","1") = "7"
    & skf18("8","6","1","3","2","4","1") = "7"
    & skf18("8","6","1","3","2","5","1") = "7"
    & skf18("8","6","1","3","2","6","1") = "7"
    & skf18("8","6","1","3","2","7","1") = "7"
    & skf18("8","6","1","3","2","8","1") = "7"
    & skf18("8","6","1","3","2","9","1") = "8"
    & skf18("8","6","1","3","2","10","1") = "9"
    & skf18("8","6","1","3","3","1","1") = "7"
    & skf18("8","6","1","3","3","2","1") = "7"
    & skf18("8","6","1","3","3","3","1") = "7"
    & skf18("8","6","1","3","3","4","1") = "7"
    & skf18("8","6","1","3","3","5","1") = "7"
    & skf18("8","6","1","3","3","6","1") = "7"
    & skf18("8","6","1","3","3","7","1") = "7"
    & skf18("8","6","1","3","3","8","1") = "7"
    & skf18("8","6","1","3","3","9","1") = "8"
    & skf18("8","6","1","3","3","10","1") = "9"
    & skf18("8","6","1","3","4","1","1") = "7"
    & skf18("8","6","1","3","4","2","1") = "7"
    & skf18("8","6","1","3","4","3","1") = "7"
    & skf18("8","6","1","3","4","4","1") = "7"
    & skf18("8","6","1","3","4","5","1") = "7"
    & skf18("8","6","1","3","4","6","1") = "7"
    & skf18("8","6","1","3","4","7","1") = "7"
    & skf18("8","6","1","3","4","8","1") = "7"
    & skf18("8","6","1","3","4","9","1") = "8"
    & skf18("8","6","1","3","4","10","1") = "9"
    & skf18("8","6","1","3","5","1","1") = "7"
    & skf18("8","6","1","3","5","2","1") = "7"
    & skf18("8","6","1","3","5","3","1") = "7"
    & skf18("8","6","1","3","5","4","1") = "7"
    & skf18("8","6","1","3","5","5","1") = "7"
    & skf18("8","6","1","3","5","6","1") = "7"
    & skf18("8","6","1","3","5","7","1") = "7"
    & skf18("8","6","1","3","5","8","1") = "7"
    & skf18("8","6","1","3","5","9","1") = "8"
    & skf18("8","6","1","3","5","10","1") = "9"
    & skf18("8","6","1","3","6","1","1") = "7"
    & skf18("8","6","1","3","6","2","1") = "7"
    & skf18("8","6","1","3","6","3","1") = "7"
    & skf18("8","6","1","3","6","4","1") = "7"
    & skf18("8","6","1","3","6","5","1") = "7"
    & skf18("8","6","1","3","6","6","1") = "7"
    & skf18("8","6","1","3","6","7","1") = "7"
    & skf18("8","6","1","3","6","8","1") = "7"
    & skf18("8","6","1","3","6","9","1") = "8"
    & skf18("8","6","1","3","6","10","1") = "9"
    & skf18("8","6","1","3","7","1","1") = "7"
    & skf18("8","6","1","3","7","2","1") = "7"
    & skf18("8","6","1","3","7","3","1") = "7"
    & skf18("8","6","1","3","7","4","1") = "7"
    & skf18("8","6","1","3","7","5","1") = "7"
    & skf18("8","6","1","3","7","6","1") = "7"
    & skf18("8","6","1","3","7","7","1") = "7"
    & skf18("8","6","1","3","7","8","1") = "7"
    & skf18("8","6","1","3","7","9","1") = "8"
    & skf18("8","6","1","3","7","10","1") = "9"
    & skf18("8","6","1","3","8","1","1") = "7"
    & skf18("8","6","1","3","8","2","1") = "7"
    & skf18("8","6","1","3","8","3","1") = "7"
    & skf18("8","6","1","3","8","4","1") = "7"
    & skf18("8","6","1","3","8","5","1") = "7"
    & skf18("8","6","1","3","8","6","1") = "7"
    & skf18("8","6","1","3","8","7","1") = "7"
    & skf18("8","6","1","3","8","8","1") = "7"
    & skf18("8","6","1","3","8","9","1") = "8"
    & skf18("8","6","1","3","8","10","1") = "9"
    & skf18("8","6","1","3","9","1","1") = "8"
    & skf18("8","6","1","3","9","2","1") = "8"
    & skf18("8","6","1","3","9","3","1") = "8"
    & skf18("8","6","1","3","9","4","1") = "8"
    & skf18("8","6","1","3","9","5","1") = "8"
    & skf18("8","6","1","3","9","6","1") = "8"
    & skf18("8","6","1","3","9","7","1") = "8"
    & skf18("8","6","1","3","9","8","1") = "8"
    & skf18("8","6","1","3","9","9","1") = "8"
    & skf18("8","6","1","3","9","10","1") = "9"
    & skf18("8","6","1","3","10","1","1") = "9"
    & skf18("8","6","1","3","10","2","1") = "9"
    & skf18("8","6","1","3","10","3","1") = "9"
    & skf18("8","6","1","3","10","4","1") = "9"
    & skf18("8","6","1","3","10","5","1") = "9"
    & skf18("8","6","1","3","10","6","1") = "9"
    & skf18("8","6","1","3","10","7","1") = "9"
    & skf18("8","6","1","3","10","8","1") = "9"
    & skf18("8","6","1","3","10","9","1") = "9"
    & skf18("8","6","1","3","10","10","1") = "9"
    & skf18("8","6","1","4","1","1","1") = "7"
    & skf18("8","6","1","4","1","2","1") = "7"
    & skf18("8","6","1","4","1","3","1") = "7"
    & skf18("8","6","1","4","1","4","1") = "7"
    & skf18("8","6","1","4","1","5","1") = "7"
    & skf18("8","6","1","4","1","6","1") = "7"
    & skf18("8","6","1","4","1","7","1") = "7"
    & skf18("8","6","1","4","1","8","1") = "7"
    & skf18("8","6","1","4","1","9","1") = "8"
    & skf18("8","6","1","4","1","10","1") = "9"
    & skf18("8","6","1","4","2","1","1") = "7"
    & skf18("8","6","1","4","2","2","1") = "7"
    & skf18("8","6","1","4","2","3","1") = "7"
    & skf18("8","6","1","4","2","4","1") = "7"
    & skf18("8","6","1","4","2","5","1") = "7"
    & skf18("8","6","1","4","2","6","1") = "7"
    & skf18("8","6","1","4","2","7","1") = "7"
    & skf18("8","6","1","4","2","8","1") = "7"
    & skf18("8","6","1","4","2","9","1") = "8"
    & skf18("8","6","1","4","2","10","1") = "9"
    & skf18("8","6","1","4","3","1","1") = "7"
    & skf18("8","6","1","4","3","2","1") = "7"
    & skf18("8","6","1","4","3","3","1") = "7"
    & skf18("8","6","1","4","3","4","1") = "7"
    & skf18("8","6","1","4","3","5","1") = "7"
    & skf18("8","6","1","4","3","6","1") = "7"
    & skf18("8","6","1","4","3","7","1") = "7"
    & skf18("8","6","1","4","3","8","1") = "7"
    & skf18("8","6","1","4","3","9","1") = "8"
    & skf18("8","6","1","4","3","10","1") = "9"
    & skf18("8","6","1","4","4","1","1") = "7"
    & skf18("8","6","1","4","4","2","1") = "7"
    & skf18("8","6","1","4","4","3","1") = "7"
    & skf18("8","6","1","4","4","4","1") = "7"
    & skf18("8","6","1","4","4","5","1") = "7"
    & skf18("8","6","1","4","4","6","1") = "7"
    & skf18("8","6","1","4","4","7","1") = "7"
    & skf18("8","6","1","4","4","8","1") = "7"
    & skf18("8","6","1","4","4","9","1") = "8"
    & skf18("8","6","1","4","4","10","1") = "9"
    & skf18("8","6","1","4","5","1","1") = "7"
    & skf18("8","6","1","4","5","2","1") = "7"
    & skf18("8","6","1","4","5","3","1") = "7"
    & skf18("8","6","1","4","5","4","1") = "7"
    & skf18("8","6","1","4","5","5","1") = "7"
    & skf18("8","6","1","4","5","6","1") = "7"
    & skf18("8","6","1","4","5","7","1") = "7"
    & skf18("8","6","1","4","5","8","1") = "7"
    & skf18("8","6","1","4","5","9","1") = "8"
    & skf18("8","6","1","4","5","10","1") = "9"
    & skf18("8","6","1","4","6","1","1") = "7"
    & skf18("8","6","1","4","6","2","1") = "7"
    & skf18("8","6","1","4","6","3","1") = "7"
    & skf18("8","6","1","4","6","4","1") = "7"
    & skf18("8","6","1","4","6","5","1") = "7"
    & skf18("8","6","1","4","6","6","1") = "7"
    & skf18("8","6","1","4","6","7","1") = "7"
    & skf18("8","6","1","4","6","8","1") = "7"
    & skf18("8","6","1","4","6","9","1") = "8"
    & skf18("8","6","1","4","6","10","1") = "9"
    & skf18("8","6","1","4","7","1","1") = "7"
    & skf18("8","6","1","4","7","2","1") = "7"
    & skf18("8","6","1","4","7","3","1") = "7"
    & skf18("8","6","1","4","7","4","1") = "7"
    & skf18("8","6","1","4","7","5","1") = "7"
    & skf18("8","6","1","4","7","6","1") = "7"
    & skf18("8","6","1","4","7","7","1") = "7"
    & skf18("8","6","1","4","7","8","1") = "7"
    & skf18("8","6","1","4","7","9","1") = "8"
    & skf18("8","6","1","4","7","10","1") = "9"
    & skf18("8","6","1","4","8","1","1") = "7"
    & skf18("8","6","1","4","8","2","1") = "7"
    & skf18("8","6","1","4","8","3","1") = "7"
    & skf18("8","6","1","4","8","4","1") = "7"
    & skf18("8","6","1","4","8","5","1") = "7"
    & skf18("8","6","1","4","8","6","1") = "7"
    & skf18("8","6","1","4","8","7","1") = "7"
    & skf18("8","6","1","4","8","8","1") = "7"
    & skf18("8","6","1","4","8","9","1") = "8"
    & skf18("8","6","1","4","8","10","1") = "9"
    & skf18("8","6","1","4","9","1","1") = "8"
    & skf18("8","6","1","4","9","2","1") = "8"
    & skf18("8","6","1","4","9","3","1") = "8"
    & skf18("8","6","1","4","9","4","1") = "8"
    & skf18("8","6","1","4","9","5","1") = "8"
    & skf18("8","6","1","4","9","6","1") = "8"
    & skf18("8","6","1","4","9","7","1") = "8"
    & skf18("8","6","1","4","9","8","1") = "8"
    & skf18("8","6","1","4","9","9","1") = "8"
    & skf18("8","6","1","4","9","10","1") = "9"
    & skf18("8","6","1","4","10","1","1") = "9"
    & skf18("8","6","1","4","10","2","1") = "9"
    & skf18("8","6","1","4","10","3","1") = "9"
    & skf18("8","6","1","4","10","4","1") = "9"
    & skf18("8","6","1","4","10","5","1") = "9"
    & skf18("8","6","1","4","10","6","1") = "9"
    & skf18("8","6","1","4","10","7","1") = "9"
    & skf18("8","6","1","4","10","8","1") = "9"
    & skf18("8","6","1","4","10","9","1") = "9"
    & skf18("8","6","1","4","10","10","1") = "9"
    & skf18("8","6","1","5","1","1","1") = "7"
    & skf18("8","6","1","5","1","2","1") = "7"
    & skf18("8","6","1","5","1","3","1") = "7"
    & skf18("8","6","1","5","1","4","1") = "7"
    & skf18("8","6","1","5","1","5","1") = "7"
    & skf18("8","6","1","5","1","6","1") = "7"
    & skf18("8","6","1","5","1","7","1") = "7"
    & skf18("8","6","1","5","1","8","1") = "7"
    & skf18("8","6","1","5","1","9","1") = "8"
    & skf18("8","6","1","5","1","10","1") = "9"
    & skf18("8","6","1","5","2","1","1") = "7"
    & skf18("8","6","1","5","2","2","1") = "7"
    & skf18("8","6","1","5","2","3","1") = "7"
    & skf18("8","6","1","5","2","4","1") = "7"
    & skf18("8","6","1","5","2","5","1") = "7"
    & skf18("8","6","1","5","2","6","1") = "7"
    & skf18("8","6","1","5","2","7","1") = "7"
    & skf18("8","6","1","5","2","8","1") = "7"
    & skf18("8","6","1","5","2","9","1") = "8"
    & skf18("8","6","1","5","2","10","1") = "9"
    & skf18("8","6","1","5","3","1","1") = "7"
    & skf18("8","6","1","5","3","2","1") = "7"
    & skf18("8","6","1","5","3","3","1") = "7"
    & skf18("8","6","1","5","3","4","1") = "7"
    & skf18("8","6","1","5","3","5","1") = "7"
    & skf18("8","6","1","5","3","6","1") = "7"
    & skf18("8","6","1","5","3","7","1") = "7"
    & skf18("8","6","1","5","3","8","1") = "7"
    & skf18("8","6","1","5","3","9","1") = "8"
    & skf18("8","6","1","5","3","10","1") = "9"
    & skf18("8","6","1","5","4","1","1") = "7"
    & skf18("8","6","1","5","4","2","1") = "7"
    & skf18("8","6","1","5","4","3","1") = "7"
    & skf18("8","6","1","5","4","4","1") = "7"
    & skf18("8","6","1","5","4","5","1") = "7"
    & skf18("8","6","1","5","4","6","1") = "7"
    & skf18("8","6","1","5","4","7","1") = "7"
    & skf18("8","6","1","5","4","8","1") = "7"
    & skf18("8","6","1","5","4","9","1") = "8"
    & skf18("8","6","1","5","4","10","1") = "9"
    & skf18("8","6","1","5","5","1","1") = "7"
    & skf18("8","6","1","5","5","2","1") = "7"
    & skf18("8","6","1","5","5","3","1") = "7"
    & skf18("8","6","1","5","5","4","1") = "7"
    & skf18("8","6","1","5","5","5","1") = "7"
    & skf18("8","6","1","5","5","6","1") = "7"
    & skf18("8","6","1","5","5","7","1") = "7"
    & skf18("8","6","1","5","5","8","1") = "7"
    & skf18("8","6","1","5","5","9","1") = "8"
    & skf18("8","6","1","5","5","10","1") = "9"
    & skf18("8","6","1","5","6","1","1") = "7"
    & skf18("8","6","1","5","6","2","1") = "7"
    & skf18("8","6","1","5","6","3","1") = "7"
    & skf18("8","6","1","5","6","4","1") = "7"
    & skf18("8","6","1","5","6","5","1") = "7"
    & skf18("8","6","1","5","6","6","1") = "7"
    & skf18("8","6","1","5","6","7","1") = "7"
    & skf18("8","6","1","5","6","8","1") = "7"
    & skf18("8","6","1","5","6","9","1") = "8"
    & skf18("8","6","1","5","6","10","1") = "9"
    & skf18("8","6","1","5","7","1","1") = "7"
    & skf18("8","6","1","5","7","2","1") = "7"
    & skf18("8","6","1","5","7","3","1") = "7"
    & skf18("8","6","1","5","7","4","1") = "7"
    & skf18("8","6","1","5","7","5","1") = "7"
    & skf18("8","6","1","5","7","6","1") = "7"
    & skf18("8","6","1","5","7","7","1") = "7"
    & skf18("8","6","1","5","7","8","1") = "7"
    & skf18("8","6","1","5","7","9","1") = "8"
    & skf18("8","6","1","5","7","10","1") = "9"
    & skf18("8","6","1","5","8","1","1") = "7"
    & skf18("8","6","1","5","8","2","1") = "7"
    & skf18("8","6","1","5","8","3","1") = "7"
    & skf18("8","6","1","5","8","4","1") = "7"
    & skf18("8","6","1","5","8","5","1") = "7"
    & skf18("8","6","1","5","8","6","1") = "7"
    & skf18("8","6","1","5","8","7","1") = "7"
    & skf18("8","6","1","5","8","8","1") = "7"
    & skf18("8","6","1","5","8","9","1") = "8"
    & skf18("8","6","1","5","8","10","1") = "9"
    & skf18("8","6","1","5","9","1","1") = "8"
    & skf18("8","6","1","5","9","2","1") = "8"
    & skf18("8","6","1","5","9","3","1") = "8"
    & skf18("8","6","1","5","9","4","1") = "8"
    & skf18("8","6","1","5","9","5","1") = "8"
    & skf18("8","6","1","5","9","6","1") = "8"
    & skf18("8","6","1","5","9","7","1") = "8"
    & skf18("8","6","1","5","9","8","1") = "8"
    & skf18("8","6","1","5","9","9","1") = "8"
    & skf18("8","6","1","5","9","10","1") = "9"
    & skf18("8","6","1","5","10","1","1") = "9"
    & skf18("8","6","1","5","10","2","1") = "9"
    & skf18("8","6","1","5","10","3","1") = "9"
    & skf18("8","6","1","5","10","4","1") = "9"
    & skf18("8","6","1","5","10","5","1") = "9"
    & skf18("8","6","1","5","10","6","1") = "9"
    & skf18("8","6","1","5","10","7","1") = "9"
    & skf18("8","6","1","5","10","8","1") = "9"
    & skf18("8","6","1","5","10","9","1") = "9"
    & skf18("8","6","1","5","10","10","1") = "9"
    & skf18("8","6","1","6","1","1","1") = "7"
    & skf18("8","6","1","6","1","2","1") = "7"
    & skf18("8","6","1","6","1","3","1") = "7"
    & skf18("8","6","1","6","1","4","1") = "7"
    & skf18("8","6","1","6","1","5","1") = "7"
    & skf18("8","6","1","6","1","6","1") = "7"
    & skf18("8","6","1","6","1","7","1") = "7"
    & skf18("8","6","1","6","1","8","1") = "7"
    & skf18("8","6","1","6","1","9","1") = "8"
    & skf18("8","6","1","6","1","10","1") = "9"
    & skf18("8","6","1","6","2","1","1") = "7"
    & skf18("8","6","1","6","2","2","1") = "7"
    & skf18("8","6","1","6","2","3","1") = "7"
    & skf18("8","6","1","6","2","4","1") = "7"
    & skf18("8","6","1","6","2","5","1") = "7"
    & skf18("8","6","1","6","2","6","1") = "7"
    & skf18("8","6","1","6","2","7","1") = "7"
    & skf18("8","6","1","6","2","8","1") = "7"
    & skf18("8","6","1","6","2","9","1") = "8"
    & skf18("8","6","1","6","2","10","1") = "9"
    & skf18("8","6","1","6","3","1","1") = "7"
    & skf18("8","6","1","6","3","2","1") = "7"
    & skf18("8","6","1","6","3","3","1") = "7"
    & skf18("8","6","1","6","3","4","1") = "7"
    & skf18("8","6","1","6","3","5","1") = "7"
    & skf18("8","6","1","6","3","6","1") = "7"
    & skf18("8","6","1","6","3","7","1") = "7"
    & skf18("8","6","1","6","3","8","1") = "7"
    & skf18("8","6","1","6","3","9","1") = "8"
    & skf18("8","6","1","6","3","10","1") = "9"
    & skf18("8","6","1","6","4","1","1") = "7"
    & skf18("8","6","1","6","4","2","1") = "7"
    & skf18("8","6","1","6","4","3","1") = "7"
    & skf18("8","6","1","6","4","4","1") = "7"
    & skf18("8","6","1","6","4","5","1") = "7"
    & skf18("8","6","1","6","4","6","1") = "7"
    & skf18("8","6","1","6","4","7","1") = "7"
    & skf18("8","6","1","6","4","8","1") = "7"
    & skf18("8","6","1","6","4","9","1") = "8"
    & skf18("8","6","1","6","4","10","1") = "9"
    & skf18("8","6","1","6","5","1","1") = "7"
    & skf18("8","6","1","6","5","2","1") = "7"
    & skf18("8","6","1","6","5","3","1") = "7"
    & skf18("8","6","1","6","5","4","1") = "7"
    & skf18("8","6","1","6","5","5","1") = "7"
    & skf18("8","6","1","6","5","6","1") = "7"
    & skf18("8","6","1","6","5","7","1") = "7"
    & skf18("8","6","1","6","5","8","1") = "7"
    & skf18("8","6","1","6","5","9","1") = "8"
    & skf18("8","6","1","6","5","10","1") = "9"
    & skf18("8","6","1","6","6","1","1") = "7"
    & skf18("8","6","1","6","6","2","1") = "7"
    & skf18("8","6","1","6","6","3","1") = "7"
    & skf18("8","6","1","6","6","4","1") = "7"
    & skf18("8","6","1","6","6","5","1") = "7"
    & skf18("8","6","1","6","6","6","1") = "7"
    & skf18("8","6","1","6","6","7","1") = "7"
    & skf18("8","6","1","6","6","8","1") = "7"
    & skf18("8","6","1","6","6","9","1") = "8"
    & skf18("8","6","1","6","6","10","1") = "9"
    & skf18("8","6","1","6","7","1","1") = "7"
    & skf18("8","6","1","6","7","2","1") = "7"
    & skf18("8","6","1","6","7","3","1") = "7"
    & skf18("8","6","1","6","7","4","1") = "7"
    & skf18("8","6","1","6","7","5","1") = "7"
    & skf18("8","6","1","6","7","6","1") = "7"
    & skf18("8","6","1","6","7","7","1") = "7"
    & skf18("8","6","1","6","7","8","1") = "7"
    & skf18("8","6","1","6","7","9","1") = "8"
    & skf18("8","6","1","6","7","10","1") = "9"
    & skf18("8","6","1","6","8","1","1") = "7"
    & skf18("8","6","1","6","8","2","1") = "7"
    & skf18("8","6","1","6","8","3","1") = "7"
    & skf18("8","6","1","6","8","4","1") = "7"
    & skf18("8","6","1","6","8","5","1") = "7"
    & skf18("8","6","1","6","8","6","1") = "7"
    & skf18("8","6","1","6","8","7","1") = "7"
    & skf18("8","6","1","6","8","8","1") = "7"
    & skf18("8","6","1","6","8","9","1") = "8"
    & skf18("8","6","1","6","8","10","1") = "9"
    & skf18("8","6","1","6","9","1","1") = "8"
    & skf18("8","6","1","6","9","2","1") = "8"
    & skf18("8","6","1","6","9","3","1") = "8"
    & skf18("8","6","1","6","9","4","1") = "8"
    & skf18("8","6","1","6","9","5","1") = "8"
    & skf18("8","6","1","6","9","6","1") = "8"
    & skf18("8","6","1","6","9","7","1") = "8"
    & skf18("8","6","1","6","9","8","1") = "8"
    & skf18("8","6","1","6","9","9","1") = "8"
    & skf18("8","6","1","6","9","10","1") = "9"
    & skf18("8","6","1","6","10","1","1") = "9"
    & skf18("8","6","1","6","10","2","1") = "9"
    & skf18("8","6","1","6","10","3","1") = "9"
    & skf18("8","6","1","6","10","4","1") = "9"
    & skf18("8","6","1","6","10","5","1") = "9"
    & skf18("8","6","1","6","10","6","1") = "9"
    & skf18("8","6","1","6","10","7","1") = "9"
    & skf18("8","6","1","6","10","8","1") = "9"
    & skf18("8","6","1","6","10","9","1") = "9"
    & skf18("8","6","1","6","10","10","1") = "9"
    & skf18("8","6","1","7","1","1","1") = "7"
    & skf18("8","6","1","7","1","2","1") = "7"
    & skf18("8","6","1","7","1","3","1") = "7"
    & skf18("8","6","1","7","1","4","1") = "7"
    & skf18("8","6","1","7","1","5","1") = "7"
    & skf18("8","6","1","7","1","6","1") = "7"
    & skf18("8","6","1","7","1","7","1") = "7"
    & skf18("8","6","1","7","1","8","1") = "7"
    & skf18("8","6","1","7","1","9","1") = "8"
    & skf18("8","6","1","7","1","10","1") = "9"
    & skf18("8","6","1","7","2","1","1") = "7"
    & skf18("8","6","1","7","2","2","1") = "7"
    & skf18("8","6","1","7","2","3","1") = "7"
    & skf18("8","6","1","7","2","4","1") = "7"
    & skf18("8","6","1","7","2","5","1") = "7"
    & skf18("8","6","1","7","2","6","1") = "7"
    & skf18("8","6","1","7","2","7","1") = "7"
    & skf18("8","6","1","7","2","8","1") = "7"
    & skf18("8","6","1","7","2","9","1") = "8"
    & skf18("8","6","1","7","2","10","1") = "9"
    & skf18("8","6","1","7","3","1","1") = "7"
    & skf18("8","6","1","7","3","2","1") = "7"
    & skf18("8","6","1","7","3","3","1") = "7"
    & skf18("8","6","1","7","3","4","1") = "7"
    & skf18("8","6","1","7","3","5","1") = "7"
    & skf18("8","6","1","7","3","6","1") = "7"
    & skf18("8","6","1","7","3","7","1") = "7"
    & skf18("8","6","1","7","3","8","1") = "7"
    & skf18("8","6","1","7","3","9","1") = "8"
    & skf18("8","6","1","7","3","10","1") = "9"
    & skf18("8","6","1","7","4","1","1") = "7"
    & skf18("8","6","1","7","4","2","1") = "7"
    & skf18("8","6","1","7","4","3","1") = "7"
    & skf18("8","6","1","7","4","4","1") = "7"
    & skf18("8","6","1","7","4","5","1") = "7"
    & skf18("8","6","1","7","4","6","1") = "7"
    & skf18("8","6","1","7","4","7","1") = "7"
    & skf18("8","6","1","7","4","8","1") = "7"
    & skf18("8","6","1","7","4","9","1") = "8"
    & skf18("8","6","1","7","4","10","1") = "9"
    & skf18("8","6","1","7","5","1","1") = "7"
    & skf18("8","6","1","7","5","2","1") = "7"
    & skf18("8","6","1","7","5","3","1") = "7"
    & skf18("8","6","1","7","5","4","1") = "7"
    & skf18("8","6","1","7","5","5","1") = "7"
    & skf18("8","6","1","7","5","6","1") = "7"
    & skf18("8","6","1","7","5","7","1") = "7"
    & skf18("8","6","1","7","5","8","1") = "7"
    & skf18("8","6","1","7","5","9","1") = "8"
    & skf18("8","6","1","7","5","10","1") = "9"
    & skf18("8","6","1","7","6","1","1") = "7"
    & skf18("8","6","1","7","6","2","1") = "7"
    & skf18("8","6","1","7","6","3","1") = "7"
    & skf18("8","6","1","7","6","4","1") = "7"
    & skf18("8","6","1","7","6","5","1") = "7"
    & skf18("8","6","1","7","6","6","1") = "7"
    & skf18("8","6","1","7","6","7","1") = "7"
    & skf18("8","6","1","7","6","8","1") = "7"
    & skf18("8","6","1","7","6","9","1") = "8"
    & skf18("8","6","1","7","6","10","1") = "9"
    & skf18("8","6","1","7","7","1","1") = "7"
    & skf18("8","6","1","7","7","2","1") = "7"
    & skf18("8","6","1","7","7","3","1") = "7"
    & skf18("8","6","1","7","7","4","1") = "7"
    & skf18("8","6","1","7","7","5","1") = "7"
    & skf18("8","6","1","7","7","6","1") = "7"
    & skf18("8","6","1","7","7","7","1") = "7"
    & skf18("8","6","1","7","7","8","1") = "7"
    & skf18("8","6","1","7","7","9","1") = "8"
    & skf18("8","6","1","7","7","10","1") = "9"
    & skf18("8","6","1","7","8","1","1") = "7"
    & skf18("8","6","1","7","8","2","1") = "7"
    & skf18("8","6","1","7","8","3","1") = "7"
    & skf18("8","6","1","7","8","4","1") = "7"
    & skf18("8","6","1","7","8","5","1") = "7"
    & skf18("8","6","1","7","8","6","1") = "7"
    & skf18("8","6","1","7","8","7","1") = "7"
    & skf18("8","6","1","7","8","8","1") = "7"
    & skf18("8","6","1","7","8","9","1") = "8"
    & skf18("8","6","1","7","8","10","1") = "9"
    & skf18("8","6","1","7","9","1","1") = "8"
    & skf18("8","6","1","7","9","2","1") = "8"
    & skf18("8","6","1","7","9","3","1") = "8"
    & skf18("8","6","1","7","9","4","1") = "8"
    & skf18("8","6","1","7","9","5","1") = "8"
    & skf18("8","6","1","7","9","6","1") = "8"
    & skf18("8","6","1","7","9","7","1") = "8"
    & skf18("8","6","1","7","9","8","1") = "8"
    & skf18("8","6","1","7","9","9","1") = "8"
    & skf18("8","6","1","7","9","10","1") = "9"
    & skf18("8","6","1","7","10","1","1") = "9"
    & skf18("8","6","1","7","10","2","1") = "9"
    & skf18("8","6","1","7","10","3","1") = "9"
    & skf18("8","6","1","7","10","4","1") = "9"
    & skf18("8","6","1","7","10","5","1") = "9"
    & skf18("8","6","1","7","10","6","1") = "9"
    & skf18("8","6","1","7","10","7","1") = "9"
    & skf18("8","6","1","7","10","8","1") = "9"
    & skf18("8","6","1","7","10","9","1") = "9"
    & skf18("8","6","1","7","10","10","1") = "9"
    & skf18("8","6","1","8","1","1","1") = "7"
    & skf18("8","6","1","8","1","2","1") = "7"
    & skf18("8","6","1","8","1","3","1") = "7"
    & skf18("8","6","1","8","1","4","1") = "7"
    & skf18("8","6","1","8","1","5","1") = "7"
    & skf18("8","6","1","8","1","6","1") = "7"
    & skf18("8","6","1","8","1","7","1") = "7"
    & skf18("8","6","1","8","1","8","1") = "7"
    & skf18("8","6","1","8","1","9","1") = "8"
    & skf18("8","6","1","8","1","10","1") = "9"
    & skf18("8","6","1","8","2","1","1") = "7"
    & skf18("8","6","1","8","2","2","1") = "7"
    & skf18("8","6","1","8","2","3","1") = "7"
    & skf18("8","6","1","8","2","4","1") = "7"
    & skf18("8","6","1","8","2","5","1") = "7"
    & skf18("8","6","1","8","2","6","1") = "7"
    & skf18("8","6","1","8","2","7","1") = "7"
    & skf18("8","6","1","8","2","8","1") = "7"
    & skf18("8","6","1","8","2","9","1") = "8"
    & skf18("8","6","1","8","2","10","1") = "9"
    & skf18("8","6","1","8","3","1","1") = "7"
    & skf18("8","6","1","8","3","2","1") = "7"
    & skf18("8","6","1","8","3","3","1") = "7"
    & skf18("8","6","1","8","3","4","1") = "7"
    & skf18("8","6","1","8","3","5","1") = "7"
    & skf18("8","6","1","8","3","6","1") = "7"
    & skf18("8","6","1","8","3","7","1") = "7"
    & skf18("8","6","1","8","3","8","1") = "7"
    & skf18("8","6","1","8","3","9","1") = "8"
    & skf18("8","6","1","8","3","10","1") = "9"
    & skf18("8","6","1","8","4","1","1") = "7"
    & skf18("8","6","1","8","4","2","1") = "7"
    & skf18("8","6","1","8","4","3","1") = "7"
    & skf18("8","6","1","8","4","4","1") = "7"
    & skf18("8","6","1","8","4","5","1") = "7"
    & skf18("8","6","1","8","4","6","1") = "7"
    & skf18("8","6","1","8","4","7","1") = "7"
    & skf18("8","6","1","8","4","8","1") = "7"
    & skf18("8","6","1","8","4","9","1") = "8"
    & skf18("8","6","1","8","4","10","1") = "9"
    & skf18("8","6","1","8","5","1","1") = "7"
    & skf18("8","6","1","8","5","2","1") = "7"
    & skf18("8","6","1","8","5","3","1") = "7"
    & skf18("8","6","1","8","5","4","1") = "7"
    & skf18("8","6","1","8","5","5","1") = "7"
    & skf18("8","6","1","8","5","6","1") = "7"
    & skf18("8","6","1","8","5","7","1") = "7"
    & skf18("8","6","1","8","5","8","1") = "7"
    & skf18("8","6","1","8","5","9","1") = "8"
    & skf18("8","6","1","8","5","10","1") = "9"
    & skf18("8","6","1","8","6","1","1") = "7"
    & skf18("8","6","1","8","6","2","1") = "7"
    & skf18("8","6","1","8","6","3","1") = "7"
    & skf18("8","6","1","8","6","4","1") = "7"
    & skf18("8","6","1","8","6","5","1") = "7"
    & skf18("8","6","1","8","6","6","1") = "7"
    & skf18("8","6","1","8","6","7","1") = "7"
    & skf18("8","6","1","8","6","8","1") = "7"
    & skf18("8","6","1","8","6","9","1") = "8"
    & skf18("8","6","1","8","6","10","1") = "9"
    & skf18("8","6","1","8","7","1","1") = "7"
    & skf18("8","6","1","8","7","2","1") = "7"
    & skf18("8","6","1","8","7","3","1") = "7"
    & skf18("8","6","1","8","7","4","1") = "7"
    & skf18("8","6","1","8","7","5","1") = "7"
    & skf18("8","6","1","8","7","6","1") = "7"
    & skf18("8","6","1","8","7","7","1") = "7"
    & skf18("8","6","1","8","7","8","1") = "7"
    & skf18("8","6","1","8","7","9","1") = "8"
    & skf18("8","6","1","8","7","10","1") = "9"
    & skf18("8","6","1","8","8","1","1") = "7"
    & skf18("8","6","1","8","8","2","1") = "7"
    & skf18("8","6","1","8","8","3","1") = "7"
    & skf18("8","6","1","8","8","4","1") = "7"
    & skf18("8","6","1","8","8","5","1") = "7"
    & skf18("8","6","1","8","8","6","1") = "7"
    & skf18("8","6","1","8","8","7","1") = "7"
    & skf18("8","6","1","8","8","8","1") = "7"
    & skf18("8","6","1","8","8","9","1") = "8"
    & skf18("8","6","1","8","8","10","1") = "9"
    & skf18("8","6","1","8","9","1","1") = "8"
    & skf18("8","6","1","8","9","2","1") = "8"
    & skf18("8","6","1","8","9","3","1") = "8"
    & skf18("8","6","1","8","9","4","1") = "8"
    & skf18("8","6","1","8","9","5","1") = "8"
    & skf18("8","6","1","8","9","6","1") = "8"
    & skf18("8","6","1","8","9","7","1") = "8"
    & skf18("8","6","1","8","9","8","1") = "8"
    & skf18("8","6","1","8","9","9","1") = "8"
    & skf18("8","6","1","8","9","10","1") = "9"
    & skf18("8","6","1","8","10","1","1") = "9"
    & skf18("8","6","1","8","10","2","1") = "9"
    & skf18("8","6","1","8","10","3","1") = "9"
    & skf18("8","6","1","8","10","4","1") = "9"
    & skf18("8","6","1","8","10","5","1") = "9"
    & skf18("8","6","1","8","10","6","1") = "9"
    & skf18("8","6","1","8","10","7","1") = "9"
    & skf18("8","6","1","8","10","8","1") = "9"
    & skf18("8","6","1","8","10","9","1") = "9"
    & skf18("8","6","1","8","10","10","1") = "9"
    & skf18("8","6","1","9","1","1","1") = "8"
    & skf18("8","6","1","9","1","2","1") = "8"
    & skf18("8","6","1","9","1","3","1") = "8"
    & skf18("8","6","1","9","1","4","1") = "8"
    & skf18("8","6","1","9","1","5","1") = "8"
    & skf18("8","6","1","9","1","6","1") = "8"
    & skf18("8","6","1","9","1","7","1") = "8"
    & skf18("8","6","1","9","1","8","1") = "8"
    & skf18("8","6","1","9","1","9","1") = "8"
    & skf18("8","6","1","9","1","10","1") = "9"
    & skf18("8","6","1","9","2","1","1") = "8"
    & skf18("8","6","1","9","2","2","1") = "8"
    & skf18("8","6","1","9","2","3","1") = "8"
    & skf18("8","6","1","9","2","4","1") = "8"
    & skf18("8","6","1","9","2","5","1") = "8"
    & skf18("8","6","1","9","2","6","1") = "8"
    & skf18("8","6","1","9","2","7","1") = "8"
    & skf18("8","6","1","9","2","8","1") = "8"
    & skf18("8","6","1","9","2","9","1") = "8"
    & skf18("8","6","1","9","2","10","1") = "9"
    & skf18("8","6","1","9","3","1","1") = "8"
    & skf18("8","6","1","9","3","2","1") = "8"
    & skf18("8","6","1","9","3","3","1") = "8"
    & skf18("8","6","1","9","3","4","1") = "8"
    & skf18("8","6","1","9","3","5","1") = "8"
    & skf18("8","6","1","9","3","6","1") = "8"
    & skf18("8","6","1","9","3","7","1") = "8"
    & skf18("8","6","1","9","3","8","1") = "8"
    & skf18("8","6","1","9","3","9","1") = "8"
    & skf18("8","6","1","9","3","10","1") = "9"
    & skf18("8","6","1","9","4","1","1") = "8"
    & skf18("8","6","1","9","4","2","1") = "8"
    & skf18("8","6","1","9","4","3","1") = "8"
    & skf18("8","6","1","9","4","4","1") = "8"
    & skf18("8","6","1","9","4","5","1") = "8"
    & skf18("8","6","1","9","4","6","1") = "8"
    & skf18("8","6","1","9","4","7","1") = "8"
    & skf18("8","6","1","9","4","8","1") = "8"
    & skf18("8","6","1","9","4","9","1") = "8"
    & skf18("8","6","1","9","4","10","1") = "9"
    & skf18("8","6","1","9","5","1","1") = "8"
    & skf18("8","6","1","9","5","2","1") = "8"
    & skf18("8","6","1","9","5","3","1") = "8"
    & skf18("8","6","1","9","5","4","1") = "8"
    & skf18("8","6","1","9","5","5","1") = "8"
    & skf18("8","6","1","9","5","6","1") = "8"
    & skf18("8","6","1","9","5","7","1") = "8"
    & skf18("8","6","1","9","5","8","1") = "8"
    & skf18("8","6","1","9","5","9","1") = "8"
    & skf18("8","6","1","9","5","10","1") = "9"
    & skf18("8","6","1","9","6","1","1") = "8"
    & skf18("8","6","1","9","6","2","1") = "8"
    & skf18("8","6","1","9","6","3","1") = "8"
    & skf18("8","6","1","9","6","4","1") = "8"
    & skf18("8","6","1","9","6","5","1") = "8"
    & skf18("8","6","1","9","6","6","1") = "8"
    & skf18("8","6","1","9","6","7","1") = "8"
    & skf18("8","6","1","9","6","8","1") = "8"
    & skf18("8","6","1","9","6","9","1") = "8"
    & skf18("8","6","1","9","6","10","1") = "9"
    & skf18("8","6","1","9","7","1","1") = "8"
    & skf18("8","6","1","9","7","2","1") = "8"
    & skf18("8","6","1","9","7","3","1") = "8"
    & skf18("8","6","1","9","7","4","1") = "8"
    & skf18("8","6","1","9","7","5","1") = "8"
    & skf18("8","6","1","9","7","6","1") = "8"
    & skf18("8","6","1","9","7","7","1") = "8"
    & skf18("8","6","1","9","7","8","1") = "8"
    & skf18("8","6","1","9","7","9","1") = "8"
    & skf18("8","6","1","9","7","10","1") = "9"
    & skf18("8","6","1","9","8","1","1") = "8"
    & skf18("8","6","1","9","8","2","1") = "8"
    & skf18("8","6","1","9","8","3","1") = "8"
    & skf18("8","6","1","9","8","4","1") = "8"
    & skf18("8","6","1","9","8","5","1") = "8"
    & skf18("8","6","1","9","8","6","1") = "8"
    & skf18("8","6","1","9","8","7","1") = "8"
    & skf18("8","6","1","9","8","8","1") = "8"
    & skf18("8","6","1","9","8","9","1") = "8"
    & skf18("8","6","1","9","8","10","1") = "9"
    & skf18("8","6","1","9","9","1","1") = "8"
    & skf18("8","6","1","9","9","2","1") = "8"
    & skf18("8","6","1","9","9","3","1") = "8"
    & skf18("8","6","1","9","9","4","1") = "8"
    & skf18("8","6","1","9","9","5","1") = "8"
    & skf18("8","6","1","9","9","6","1") = "8"
    & skf18("8","6","1","9","9","7","1") = "8"
    & skf18("8","6","1","9","9","8","1") = "8"
    & skf18("8","6","1","9","9","9","1") = "8"
    & skf18("8","6","1","9","9","10","1") = "9"
    & skf18("8","6","1","9","10","1","1") = "9"
    & skf18("8","6","1","9","10","2","1") = "9"
    & skf18("8","6","1","9","10","3","1") = "9"
    & skf18("8","6","1","9","10","4","1") = "9"
    & skf18("8","6","1","9","10","5","1") = "9"
    & skf18("8","6","1","9","10","6","1") = "9"
    & skf18("8","6","1","9","10","7","1") = "9"
    & skf18("8","6","1","9","10","8","1") = "9"
    & skf18("8","6","1","9","10","9","1") = "9"
    & skf18("8","6","1","9","10","10","1") = "9"
    & skf18("8","6","1","10","1","1","1") = "9"
    & skf18("8","6","1","10","1","2","1") = "9"
    & skf18("8","6","1","10","1","3","1") = "9"
    & skf18("8","6","1","10","1","4","1") = "9"
    & skf18("8","6","1","10","1","5","1") = "9"
    & skf18("8","6","1","10","1","6","1") = "9"
    & skf18("8","6","1","10","1","7","1") = "9"
    & skf18("8","6","1","10","1","8","1") = "9"
    & skf18("8","6","1","10","1","9","1") = "9"
    & skf18("8","6","1","10","1","10","1") = "9"
    & skf18("8","6","1","10","2","1","1") = "9"
    & skf18("8","6","1","10","2","2","1") = "9"
    & skf18("8","6","1","10","2","3","1") = "9"
    & skf18("8","6","1","10","2","4","1") = "9"
    & skf18("8","6","1","10","2","5","1") = "9"
    & skf18("8","6","1","10","2","6","1") = "9"
    & skf18("8","6","1","10","2","7","1") = "9"
    & skf18("8","6","1","10","2","8","1") = "9"
    & skf18("8","6","1","10","2","9","1") = "9"
    & skf18("8","6","1","10","2","10","1") = "9"
    & skf18("8","6","1","10","3","1","1") = "9"
    & skf18("8","6","1","10","3","2","1") = "9"
    & skf18("8","6","1","10","3","3","1") = "9"
    & skf18("8","6","1","10","3","4","1") = "9"
    & skf18("8","6","1","10","3","5","1") = "9"
    & skf18("8","6","1","10","3","6","1") = "9"
    & skf18("8","6","1","10","3","7","1") = "9"
    & skf18("8","6","1","10","3","8","1") = "9"
    & skf18("8","6","1","10","3","9","1") = "9"
    & skf18("8","6","1","10","3","10","1") = "9"
    & skf18("8","6","1","10","4","1","1") = "9"
    & skf18("8","6","1","10","4","2","1") = "9"
    & skf18("8","6","1","10","4","3","1") = "9"
    & skf18("8","6","1","10","4","4","1") = "9"
    & skf18("8","6","1","10","4","5","1") = "9"
    & skf18("8","6","1","10","4","6","1") = "9"
    & skf18("8","6","1","10","4","7","1") = "9"
    & skf18("8","6","1","10","4","8","1") = "9"
    & skf18("8","6","1","10","4","9","1") = "9"
    & skf18("8","6","1","10","4","10","1") = "9"
    & skf18("8","6","1","10","5","1","1") = "9"
    & skf18("8","6","1","10","5","2","1") = "9"
    & skf18("8","6","1","10","5","3","1") = "9"
    & skf18("8","6","1","10","5","4","1") = "9"
    & skf18("8","6","1","10","5","5","1") = "9"
    & skf18("8","6","1","10","5","6","1") = "9"
    & skf18("8","6","1","10","5","7","1") = "9"
    & skf18("8","6","1","10","5","8","1") = "9"
    & skf18("8","6","1","10","5","9","1") = "9"
    & skf18("8","6","1","10","5","10","1") = "9"
    & skf18("8","6","1","10","6","1","1") = "9"
    & skf18("8","6","1","10","6","2","1") = "9"
    & skf18("8","6","1","10","6","3","1") = "9"
    & skf18("8","6","1","10","6","4","1") = "9"
    & skf18("8","6","1","10","6","5","1") = "9"
    & skf18("8","6","1","10","6","6","1") = "9"
    & skf18("8","6","1","10","6","7","1") = "9"
    & skf18("8","6","1","10","6","8","1") = "9"
    & skf18("8","6","1","10","6","9","1") = "9"
    & skf18("8","6","1","10","6","10","1") = "9"
    & skf18("8","6","1","10","7","1","1") = "9"
    & skf18("8","6","1","10","7","2","1") = "9"
    & skf18("8","6","1","10","7","3","1") = "9"
    & skf18("8","6","1","10","7","4","1") = "9"
    & skf18("8","6","1","10","7","5","1") = "9"
    & skf18("8","6","1","10","7","6","1") = "9"
    & skf18("8","6","1","10","7","7","1") = "9"
    & skf18("8","6","1","10","7","8","1") = "9"
    & skf18("8","6","1","10","7","9","1") = "9"
    & skf18("8","6","1","10","7","10","1") = "9"
    & skf18("8","6","1","10","8","1","1") = "9"
    & skf18("8","6","1","10","8","2","1") = "9"
    & skf18("8","6","1","10","8","3","1") = "9"
    & skf18("8","6","1","10","8","4","1") = "9"
    & skf18("8","6","1","10","8","5","1") = "9"
    & skf18("8","6","1","10","8","6","1") = "9"
    & skf18("8","6","1","10","8","7","1") = "9"
    & skf18("8","6","1","10","8","8","1") = "9"
    & skf18("8","6","1","10","8","9","1") = "9"
    & skf18("8","6","1","10","8","10","1") = "9"
    & skf18("8","6","1","10","9","1","1") = "9"
    & skf18("8","6","1","10","9","2","1") = "9"
    & skf18("8","6","1","10","9","3","1") = "9"
    & skf18("8","6","1","10","9","4","1") = "9"
    & skf18("8","6","1","10","9","5","1") = "9"
    & skf18("8","6","1","10","9","6","1") = "9"
    & skf18("8","6","1","10","9","7","1") = "9"
    & skf18("8","6","1","10","9","8","1") = "9"
    & skf18("8","6","1","10","9","9","1") = "9"
    & skf18("8","6","1","10","9","10","1") = "9"
    & skf18("8","6","1","10","10","1","1") = "9"
    & skf18("8","6","1","10","10","2","1") = "9"
    & skf18("8","6","1","10","10","3","1") = "9"
    & skf18("8","6","1","10","10","4","1") = "9"
    & skf18("8","6","1","10","10","5","1") = "9"
    & skf18("8","6","1","10","10","6","1") = "9"
    & skf18("8","6","1","10","10","7","1") = "9"
    & skf18("8","6","1","10","10","8","1") = "9"
    & skf18("8","6","1","10","10","9","1") = "9"
    & skf18("8","6","1","10","10","10","1") = "9"
    & skf18("8","6","2","1","1","1","1") = "7"
    & skf18("8","6","2","1","1","2","1") = "7"
    & skf18("8","6","2","1","1","3","1") = "7"
    & skf18("8","6","2","1","1","4","1") = "7"
    & skf18("8","6","2","1","1","5","1") = "7"
    & skf18("8","6","2","1","1","6","1") = "7"
    & skf18("8","6","2","1","1","7","1") = "7"
    & skf18("8","6","2","1","1","8","1") = "7"
    & skf18("8","6","2","1","1","9","1") = "8"
    & skf18("8","6","2","1","1","10","1") = "9"
    & skf18("8","6","2","1","2","1","1") = "7"
    & skf18("8","6","2","1","2","2","1") = "7"
    & skf18("8","6","2","1","2","3","1") = "7"
    & skf18("8","6","2","1","2","4","1") = "7"
    & skf18("8","6","2","1","2","5","1") = "7"
    & skf18("8","6","2","1","2","6","1") = "7"
    & skf18("8","6","2","1","2","7","1") = "7"
    & skf18("8","6","2","1","2","8","1") = "7"
    & skf18("8","6","2","1","2","9","1") = "8"
    & skf18("8","6","2","1","2","10","1") = "9"
    & skf18("8","6","2","1","3","1","1") = "7"
    & skf18("8","6","2","1","3","2","1") = "7"
    & skf18("8","6","2","1","3","3","1") = "7"
    & skf18("8","6","2","1","3","4","1") = "7"
    & skf18("8","6","2","1","3","5","1") = "7"
    & skf18("8","6","2","1","3","6","1") = "7"
    & skf18("8","6","2","1","3","7","1") = "7"
    & skf18("8","6","2","1","3","8","1") = "7"
    & skf18("8","6","2","1","3","9","1") = "8"
    & skf18("8","6","2","1","3","10","1") = "9"
    & skf18("8","6","2","1","4","1","1") = "7"
    & skf18("8","6","2","1","4","2","1") = "7"
    & skf18("8","6","2","1","4","3","1") = "7"
    & skf18("8","6","2","1","4","4","1") = "7"
    & skf18("8","6","2","1","4","5","1") = "7"
    & skf18("8","6","2","1","4","6","1") = "7"
    & skf18("8","6","2","1","4","7","1") = "7"
    & skf18("8","6","2","1","4","8","1") = "7"
    & skf18("8","6","2","1","4","9","1") = "8"
    & skf18("8","6","2","1","4","10","1") = "9"
    & skf18("8","6","2","1","5","1","1") = "7"
    & skf18("8","6","2","1","5","2","1") = "7"
    & skf18("8","6","2","1","5","3","1") = "7"
    & skf18("8","6","2","1","5","4","1") = "7"
    & skf18("8","6","2","1","5","5","1") = "7"
    & skf18("8","6","2","1","5","6","1") = "7"
    & skf18("8","6","2","1","5","7","1") = "7"
    & skf18("8","6","2","1","5","8","1") = "7"
    & skf18("8","6","2","1","5","9","1") = "8"
    & skf18("8","6","2","1","5","10","1") = "9"
    & skf18("8","6","2","1","6","1","1") = "7"
    & skf18("8","6","2","1","6","2","1") = "7"
    & skf18("8","6","2","1","6","3","1") = "7"
    & skf18("8","6","2","1","6","4","1") = "7"
    & skf18("8","6","2","1","6","5","1") = "7"
    & skf18("8","6","2","1","6","6","1") = "7"
    & skf18("8","6","2","1","6","7","1") = "7"
    & skf18("8","6","2","1","6","8","1") = "7"
    & skf18("8","6","2","1","6","9","1") = "8"
    & skf18("8","6","2","1","6","10","1") = "9"
    & skf18("8","6","2","1","7","1","1") = "7"
    & skf18("8","6","2","1","7","2","1") = "7"
    & skf18("8","6","2","1","7","3","1") = "7"
    & skf18("8","6","2","1","7","4","1") = "7"
    & skf18("8","6","2","1","7","5","1") = "7"
    & skf18("8","6","2","1","7","6","1") = "7"
    & skf18("8","6","2","1","7","7","1") = "7"
    & skf18("8","6","2","1","7","8","1") = "7"
    & skf18("8","6","2","1","7","9","1") = "8"
    & skf18("8","6","2","1","7","10","1") = "9"
    & skf18("8","6","2","1","8","1","1") = "7"
    & skf18("8","6","2","1","8","2","1") = "7"
    & skf18("8","6","2","1","8","3","1") = "7"
    & skf18("8","6","2","1","8","4","1") = "7"
    & skf18("8","6","2","1","8","5","1") = "7"
    & skf18("8","6","2","1","8","6","1") = "7"
    & skf18("8","6","2","1","8","7","1") = "7"
    & skf18("8","6","2","1","8","8","1") = "7"
    & skf18("8","6","2","1","8","9","1") = "8"
    & skf18("8","6","2","1","8","10","1") = "9"
    & skf18("8","6","2","1","9","1","1") = "8"
    & skf18("8","6","2","1","9","2","1") = "8"
    & skf18("8","6","2","1","9","3","1") = "8"
    & skf18("8","6","2","1","9","4","1") = "8"
    & skf18("8","6","2","1","9","5","1") = "8"
    & skf18("8","6","2","1","9","6","1") = "8"
    & skf18("8","6","2","1","9","7","1") = "8"
    & skf18("8","6","2","1","9","8","1") = "8"
    & skf18("8","6","2","1","9","9","1") = "8"
    & skf18("8","6","2","1","9","10","1") = "9"
    & skf18("8","6","2","1","10","1","1") = "9"
    & skf18("8","6","2","1","10","2","1") = "9"
    & skf18("8","6","2","1","10","3","1") = "9"
    & skf18("8","6","2","1","10","4","1") = "9"
    & skf18("8","6","2","1","10","5","1") = "9"
    & skf18("8","6","2","1","10","6","1") = "9"
    & skf18("8","6","2","1","10","7","1") = "9"
    & skf18("8","6","2","1","10","8","1") = "9"
    & skf18("8","6","2","1","10","9","1") = "9"
    & skf18("8","6","2","1","10","10","1") = "9"
    & skf18("8","6","2","2","1","1","1") = "7"
    & skf18("8","6","2","2","1","2","1") = "7"
    & skf18("8","6","2","2","1","3","1") = "7"
    & skf18("8","6","2","2","1","4","1") = "7"
    & skf18("8","6","2","2","1","5","1") = "7"
    & skf18("8","6","2","2","1","6","1") = "7"
    & skf18("8","6","2","2","1","7","1") = "7"
    & skf18("8","6","2","2","1","8","1") = "7"
    & skf18("8","6","2","2","1","9","1") = "8"
    & skf18("8","6","2","2","1","10","1") = "9"
    & skf18("8","6","2","2","2","1","1") = "7"
    & skf18("8","6","2","2","2","2","1") = "7"
    & skf18("8","6","2","2","2","3","1") = "7"
    & skf18("8","6","2","2","2","4","1") = "7"
    & skf18("8","6","2","2","2","5","1") = "7"
    & skf18("8","6","2","2","2","6","1") = "7"
    & skf18("8","6","2","2","2","7","1") = "7"
    & skf18("8","6","2","2","2","8","1") = "7"
    & skf18("8","6","2","2","2","9","1") = "8"
    & skf18("8","6","2","2","2","10","1") = "9"
    & skf18("8","6","2","2","3","1","1") = "7"
    & skf18("8","6","2","2","3","2","1") = "7"
    & skf18("8","6","2","2","3","3","1") = "7"
    & skf18("8","6","2","2","3","4","1") = "7"
    & skf18("8","6","2","2","3","5","1") = "7"
    & skf18("8","6","2","2","3","6","1") = "7"
    & skf18("8","6","2","2","3","7","1") = "7"
    & skf18("8","6","2","2","3","8","1") = "7"
    & skf18("8","6","2","2","3","9","1") = "8"
    & skf18("8","6","2","2","3","10","1") = "9"
    & skf18("8","6","2","2","4","1","1") = "7"
    & skf18("8","6","2","2","4","2","1") = "7"
    & skf18("8","6","2","2","4","3","1") = "7"
    & skf18("8","6","2","2","4","4","1") = "7"
    & skf18("8","6","2","2","4","5","1") = "7"
    & skf18("8","6","2","2","4","6","1") = "7"
    & skf18("8","6","2","2","4","7","1") = "7"
    & skf18("8","6","2","2","4","8","1") = "7"
    & skf18("8","6","2","2","4","9","1") = "8"
    & skf18("8","6","2","2","4","10","1") = "9"
    & skf18("8","6","2","2","5","1","1") = "7"
    & skf18("8","6","2","2","5","2","1") = "7"
    & skf18("8","6","2","2","5","3","1") = "7"
    & skf18("8","6","2","2","5","4","1") = "7"
    & skf18("8","6","2","2","5","5","1") = "7"
    & skf18("8","6","2","2","5","6","1") = "7"
    & skf18("8","6","2","2","5","7","1") = "7"
    & skf18("8","6","2","2","5","8","1") = "7"
    & skf18("8","6","2","2","5","9","1") = "8"
    & skf18("8","6","2","2","5","10","1") = "9"
    & skf18("8","6","2","2","6","1","1") = "7"
    & skf18("8","6","2","2","6","2","1") = "7"
    & skf18("8","6","2","2","6","3","1") = "7"
    & skf18("8","6","2","2","6","4","1") = "7"
    & skf18("8","6","2","2","6","5","1") = "7"
    & skf18("8","6","2","2","6","6","1") = "7"
    & skf18("8","6","2","2","6","7","1") = "7"
    & skf18("8","6","2","2","6","8","1") = "7"
    & skf18("8","6","2","2","6","9","1") = "8"
    & skf18("8","6","2","2","6","10","1") = "9"
    & skf18("8","6","2","2","7","1","1") = "7"
    & skf18("8","6","2","2","7","2","1") = "7"
    & skf18("8","6","2","2","7","3","1") = "7"
    & skf18("8","6","2","2","7","4","1") = "7"
    & skf18("8","6","2","2","7","5","1") = "7"
    & skf18("8","6","2","2","7","6","1") = "7"
    & skf18("8","6","2","2","7","7","1") = "7"
    & skf18("8","6","2","2","7","8","1") = "7"
    & skf18("8","6","2","2","7","9","1") = "8"
    & skf18("8","6","2","2","7","10","1") = "9"
    & skf18("8","6","2","2","8","1","1") = "7"
    & skf18("8","6","2","2","8","2","1") = "7"
    & skf18("8","6","2","2","8","3","1") = "7"
    & skf18("8","6","2","2","8","4","1") = "7"
    & skf18("8","6","2","2","8","5","1") = "7"
    & skf18("8","6","2","2","8","6","1") = "7"
    & skf18("8","6","2","2","8","7","1") = "7"
    & skf18("8","6","2","2","8","8","1") = "7"
    & skf18("8","6","2","2","8","9","1") = "8"
    & skf18("8","6","2","2","8","10","1") = "9"
    & skf18("8","6","2","2","9","1","1") = "8"
    & skf18("8","6","2","2","9","2","1") = "8"
    & skf18("8","6","2","2","9","3","1") = "8"
    & skf18("8","6","2","2","9","4","1") = "8"
    & skf18("8","6","2","2","9","5","1") = "8"
    & skf18("8","6","2","2","9","6","1") = "8"
    & skf18("8","6","2","2","9","7","1") = "8"
    & skf18("8","6","2","2","9","8","1") = "8"
    & skf18("8","6","2","2","9","9","1") = "8"
    & skf18("8","6","2","2","9","10","1") = "9"
    & skf18("8","6","2","2","10","1","1") = "9"
    & skf18("8","6","2","2","10","2","1") = "9"
    & skf18("8","6","2","2","10","3","1") = "9"
    & skf18("8","6","2","2","10","4","1") = "9"
    & skf18("8","6","2","2","10","5","1") = "9"
    & skf18("8","6","2","2","10","6","1") = "9"
    & skf18("8","6","2","2","10","7","1") = "9"
    & skf18("8","6","2","2","10","8","1") = "9"
    & skf18("8","6","2","2","10","9","1") = "9"
    & skf18("8","6","2","2","10","10","1") = "9"
    & skf18("8","6","2","3","1","1","1") = "7"
    & skf18("8","6","2","3","1","2","1") = "7"
    & skf18("8","6","2","3","1","3","1") = "7"
    & skf18("8","6","2","3","1","4","1") = "7"
    & skf18("8","6","2","3","1","5","1") = "7"
    & skf18("8","6","2","3","1","6","1") = "7"
    & skf18("8","6","2","3","1","7","1") = "7"
    & skf18("8","6","2","3","1","8","1") = "7"
    & skf18("8","6","2","3","1","9","1") = "8"
    & skf18("8","6","2","3","1","10","1") = "9"
    & skf18("8","6","2","3","2","1","1") = "7"
    & skf18("8","6","2","3","2","2","1") = "7"
    & skf18("8","6","2","3","2","3","1") = "7"
    & skf18("8","6","2","3","2","4","1") = "7"
    & skf18("8","6","2","3","2","5","1") = "7"
    & skf18("8","6","2","3","2","6","1") = "7"
    & skf18("8","6","2","3","2","7","1") = "7"
    & skf18("8","6","2","3","2","8","1") = "7"
    & skf18("8","6","2","3","2","9","1") = "8"
    & skf18("8","6","2","3","2","10","1") = "9"
    & skf18("8","6","2","3","3","1","1") = "7"
    & skf18("8","6","2","3","3","2","1") = "7"
    & skf18("8","6","2","3","3","3","1") = "7"
    & skf18("8","6","2","3","3","4","1") = "7"
    & skf18("8","6","2","3","3","5","1") = "7"
    & skf18("8","6","2","3","3","6","1") = "7"
    & skf18("8","6","2","3","3","7","1") = "7"
    & skf18("8","6","2","3","3","8","1") = "7"
    & skf18("8","6","2","3","3","9","1") = "8"
    & skf18("8","6","2","3","3","10","1") = "9"
    & skf18("8","6","2","3","4","1","1") = "7"
    & skf18("8","6","2","3","4","2","1") = "7"
    & skf18("8","6","2","3","4","3","1") = "7"
    & skf18("8","6","2","3","4","4","1") = "7"
    & skf18("8","6","2","3","4","5","1") = "7"
    & skf18("8","6","2","3","4","6","1") = "7"
    & skf18("8","6","2","3","4","7","1") = "7"
    & skf18("8","6","2","3","4","8","1") = "7"
    & skf18("8","6","2","3","4","9","1") = "8"
    & skf18("8","6","2","3","4","10","1") = "9"
    & skf18("8","6","2","3","5","1","1") = "7"
    & skf18("8","6","2","3","5","2","1") = "7"
    & skf18("8","6","2","3","5","3","1") = "7"
    & skf18("8","6","2","3","5","4","1") = "7"
    & skf18("8","6","2","3","5","5","1") = "7"
    & skf18("8","6","2","3","5","6","1") = "7"
    & skf18("8","6","2","3","5","7","1") = "7"
    & skf18("8","6","2","3","5","8","1") = "7"
    & skf18("8","6","2","3","5","9","1") = "8"
    & skf18("8","6","2","3","5","10","1") = "9"
    & skf18("8","6","2","3","6","1","1") = "7"
    & skf18("8","6","2","3","6","2","1") = "7"
    & skf18("8","6","2","3","6","3","1") = "7"
    & skf18("8","6","2","3","6","4","1") = "7"
    & skf18("8","6","2","3","6","5","1") = "7"
    & skf18("8","6","2","3","6","6","1") = "7"
    & skf18("8","6","2","3","6","7","1") = "7"
    & skf18("8","6","2","3","6","8","1") = "7"
    & skf18("8","6","2","3","6","9","1") = "8"
    & skf18("8","6","2","3","6","10","1") = "9"
    & skf18("8","6","2","3","7","1","1") = "7"
    & skf18("8","6","2","3","7","2","1") = "7"
    & skf18("8","6","2","3","7","3","1") = "7"
    & skf18("8","6","2","3","7","4","1") = "7"
    & skf18("8","6","2","3","7","5","1") = "7"
    & skf18("8","6","2","3","7","6","1") = "7"
    & skf18("8","6","2","3","7","7","1") = "7"
    & skf18("8","6","2","3","7","8","1") = "7"
    & skf18("8","6","2","3","7","9","1") = "8"
    & skf18("8","6","2","3","7","10","1") = "9"
    & skf18("8","6","2","3","8","1","1") = "7"
    & skf18("8","6","2","3","8","2","1") = "7"
    & skf18("8","6","2","3","8","3","1") = "7"
    & skf18("8","6","2","3","8","4","1") = "7"
    & skf18("8","6","2","3","8","5","1") = "7"
    & skf18("8","6","2","3","8","6","1") = "7"
    & skf18("8","6","2","3","8","7","1") = "7"
    & skf18("8","6","2","3","8","8","1") = "7"
    & skf18("8","6","2","3","8","9","1") = "8"
    & skf18("8","6","2","3","8","10","1") = "9"
    & skf18("8","6","2","3","9","1","1") = "8"
    & skf18("8","6","2","3","9","2","1") = "8"
    & skf18("8","6","2","3","9","3","1") = "8"
    & skf18("8","6","2","3","9","4","1") = "8"
    & skf18("8","6","2","3","9","5","1") = "8"
    & skf18("8","6","2","3","9","6","1") = "8"
    & skf18("8","6","2","3","9","7","1") = "8"
    & skf18("8","6","2","3","9","8","1") = "8"
    & skf18("8","6","2","3","9","9","1") = "8"
    & skf18("8","6","2","3","9","10","1") = "9"
    & skf18("8","6","2","3","10","1","1") = "9"
    & skf18("8","6","2","3","10","2","1") = "9"
    & skf18("8","6","2","3","10","3","1") = "9"
    & skf18("8","6","2","3","10","4","1") = "9"
    & skf18("8","6","2","3","10","5","1") = "9"
    & skf18("8","6","2","3","10","6","1") = "9"
    & skf18("8","6","2","3","10","7","1") = "9"
    & skf18("8","6","2","3","10","8","1") = "9"
    & skf18("8","6","2","3","10","9","1") = "9"
    & skf18("8","6","2","3","10","10","1") = "9"
    & skf18("8","6","2","4","1","1","1") = "7"
    & skf18("8","6","2","4","1","2","1") = "7"
    & skf18("8","6","2","4","1","3","1") = "7"
    & skf18("8","6","2","4","1","4","1") = "7"
    & skf18("8","6","2","4","1","5","1") = "7"
    & skf18("8","6","2","4","1","6","1") = "7"
    & skf18("8","6","2","4","1","7","1") = "7"
    & skf18("8","6","2","4","1","8","1") = "7"
    & skf18("8","6","2","4","1","9","1") = "8"
    & skf18("8","6","2","4","1","10","1") = "9"
    & skf18("8","6","2","4","2","1","1") = "7"
    & skf18("8","6","2","4","2","2","1") = "7"
    & skf18("8","6","2","4","2","3","1") = "7"
    & skf18("8","6","2","4","2","4","1") = "7"
    & skf18("8","6","2","4","2","5","1") = "7"
    & skf18("8","6","2","4","2","6","1") = "7"
    & skf18("8","6","2","4","2","7","1") = "7"
    & skf18("8","6","2","4","2","8","1") = "7"
    & skf18("8","6","2","4","2","9","1") = "8"
    & skf18("8","6","2","4","2","10","1") = "9"
    & skf18("8","6","2","4","3","1","1") = "7"
    & skf18("8","6","2","4","3","2","1") = "7"
    & skf18("8","6","2","4","3","3","1") = "7"
    & skf18("8","6","2","4","3","4","1") = "7"
    & skf18("8","6","2","4","3","5","1") = "7"
    & skf18("8","6","2","4","3","6","1") = "7"
    & skf18("8","6","2","4","3","7","1") = "7"
    & skf18("8","6","2","4","3","8","1") = "7"
    & skf18("8","6","2","4","3","9","1") = "8"
    & skf18("8","6","2","4","3","10","1") = "9"
    & skf18("8","6","2","4","4","1","1") = "7"
    & skf18("8","6","2","4","4","2","1") = "7"
    & skf18("8","6","2","4","4","3","1") = "7"
    & skf18("8","6","2","4","4","4","1") = "7"
    & skf18("8","6","2","4","4","5","1") = "7"
    & skf18("8","6","2","4","4","6","1") = "7"
    & skf18("8","6","2","4","4","7","1") = "7"
    & skf18("8","6","2","4","4","8","1") = "7"
    & skf18("8","6","2","4","4","9","1") = "8"
    & skf18("8","6","2","4","4","10","1") = "9"
    & skf18("8","6","2","4","5","1","1") = "7"
    & skf18("8","6","2","4","5","2","1") = "7"
    & skf18("8","6","2","4","5","3","1") = "7"
    & skf18("8","6","2","4","5","4","1") = "7"
    & skf18("8","6","2","4","5","5","1") = "7"
    & skf18("8","6","2","4","5","6","1") = "7"
    & skf18("8","6","2","4","5","7","1") = "7"
    & skf18("8","6","2","4","5","8","1") = "7"
    & skf18("8","6","2","4","5","9","1") = "8"
    & skf18("8","6","2","4","5","10","1") = "9"
    & skf18("8","6","2","4","6","1","1") = "7"
    & skf18("8","6","2","4","6","2","1") = "7"
    & skf18("8","6","2","4","6","3","1") = "7"
    & skf18("8","6","2","4","6","4","1") = "7"
    & skf18("8","6","2","4","6","5","1") = "7"
    & skf18("8","6","2","4","6","6","1") = "7"
    & skf18("8","6","2","4","6","7","1") = "7"
    & skf18("8","6","2","4","6","8","1") = "7"
    & skf18("8","6","2","4","6","9","1") = "8"
    & skf18("8","6","2","4","6","10","1") = "9"
    & skf18("8","6","2","4","7","1","1") = "7"
    & skf18("8","6","2","4","7","2","1") = "7"
    & skf18("8","6","2","4","7","3","1") = "7"
    & skf18("8","6","2","4","7","4","1") = "7"
    & skf18("8","6","2","4","7","5","1") = "7"
    & skf18("8","6","2","4","7","6","1") = "7"
    & skf18("8","6","2","4","7","7","1") = "7"
    & skf18("8","6","2","4","7","8","1") = "7"
    & skf18("8","6","2","4","7","9","1") = "8"
    & skf18("8","6","2","4","7","10","1") = "9"
    & skf18("8","6","2","4","8","1","1") = "7"
    & skf18("8","6","2","4","8","2","1") = "7"
    & skf18("8","6","2","4","8","3","1") = "7"
    & skf18("8","6","2","4","8","4","1") = "7"
    & skf18("8","6","2","4","8","5","1") = "7"
    & skf18("8","6","2","4","8","6","1") = "7"
    & skf18("8","6","2","4","8","7","1") = "7"
    & skf18("8","6","2","4","8","8","1") = "7"
    & skf18("8","6","2","4","8","9","1") = "8"
    & skf18("8","6","2","4","8","10","1") = "9"
    & skf18("8","6","2","4","9","1","1") = "8"
    & skf18("8","6","2","4","9","2","1") = "8"
    & skf18("8","6","2","4","9","3","1") = "8"
    & skf18("8","6","2","4","9","4","1") = "8"
    & skf18("8","6","2","4","9","5","1") = "8"
    & skf18("8","6","2","4","9","6","1") = "8"
    & skf18("8","6","2","4","9","7","1") = "8"
    & skf18("8","6","2","4","9","8","1") = "8"
    & skf18("8","6","2","4","9","9","1") = "8"
    & skf18("8","6","2","4","9","10","1") = "9"
    & skf18("8","6","2","4","10","1","1") = "9"
    & skf18("8","6","2","4","10","2","1") = "9"
    & skf18("8","6","2","4","10","3","1") = "9"
    & skf18("8","6","2","4","10","4","1") = "9"
    & skf18("8","6","2","4","10","5","1") = "9"
    & skf18("8","6","2","4","10","6","1") = "9"
    & skf18("8","6","2","4","10","7","1") = "9"
    & skf18("8","6","2","4","10","8","1") = "9"
    & skf18("8","6","2","4","10","9","1") = "9"
    & skf18("8","6","2","4","10","10","1") = "9"
    & skf18("8","6","2","5","1","1","1") = "7"
    & skf18("8","6","2","5","1","2","1") = "7"
    & skf18("8","6","2","5","1","3","1") = "7"
    & skf18("8","6","2","5","1","4","1") = "7"
    & skf18("8","6","2","5","1","5","1") = "7"
    & skf18("8","6","2","5","1","6","1") = "7"
    & skf18("8","6","2","5","1","7","1") = "7"
    & skf18("8","6","2","5","1","8","1") = "7"
    & skf18("8","6","2","5","1","9","1") = "8"
    & skf18("8","6","2","5","1","10","1") = "9"
    & skf18("8","6","2","5","2","1","1") = "7"
    & skf18("8","6","2","5","2","2","1") = "7"
    & skf18("8","6","2","5","2","3","1") = "7"
    & skf18("8","6","2","5","2","4","1") = "7"
    & skf18("8","6","2","5","2","5","1") = "7"
    & skf18("8","6","2","5","2","6","1") = "7"
    & skf18("8","6","2","5","2","7","1") = "7"
    & skf18("8","6","2","5","2","8","1") = "7"
    & skf18("8","6","2","5","2","9","1") = "8"
    & skf18("8","6","2","5","2","10","1") = "9"
    & skf18("8","6","2","5","3","1","1") = "7"
    & skf18("8","6","2","5","3","2","1") = "7"
    & skf18("8","6","2","5","3","3","1") = "7"
    & skf18("8","6","2","5","3","4","1") = "7"
    & skf18("8","6","2","5","3","5","1") = "7"
    & skf18("8","6","2","5","3","6","1") = "7"
    & skf18("8","6","2","5","3","7","1") = "7"
    & skf18("8","6","2","5","3","8","1") = "7"
    & skf18("8","6","2","5","3","9","1") = "8"
    & skf18("8","6","2","5","3","10","1") = "9"
    & skf18("8","6","2","5","4","1","1") = "7"
    & skf18("8","6","2","5","4","2","1") = "7"
    & skf18("8","6","2","5","4","3","1") = "7"
    & skf18("8","6","2","5","4","4","1") = "7"
    & skf18("8","6","2","5","4","5","1") = "7"
    & skf18("8","6","2","5","4","6","1") = "7"
    & skf18("8","6","2","5","4","7","1") = "7"
    & skf18("8","6","2","5","4","8","1") = "7"
    & skf18("8","6","2","5","4","9","1") = "8"
    & skf18("8","6","2","5","4","10","1") = "9"
    & skf18("8","6","2","5","5","1","1") = "7"
    & skf18("8","6","2","5","5","2","1") = "7"
    & skf18("8","6","2","5","5","3","1") = "7"
    & skf18("8","6","2","5","5","4","1") = "7"
    & skf18("8","6","2","5","5","5","1") = "7"
    & skf18("8","6","2","5","5","6","1") = "7"
    & skf18("8","6","2","5","5","7","1") = "7"
    & skf18("8","6","2","5","5","8","1") = "7"
    & skf18("8","6","2","5","5","9","1") = "8"
    & skf18("8","6","2","5","5","10","1") = "9"
    & skf18("8","6","2","5","6","1","1") = "7"
    & skf18("8","6","2","5","6","2","1") = "7"
    & skf18("8","6","2","5","6","3","1") = "7"
    & skf18("8","6","2","5","6","4","1") = "7"
    & skf18("8","6","2","5","6","5","1") = "7"
    & skf18("8","6","2","5","6","6","1") = "7"
    & skf18("8","6","2","5","6","7","1") = "7"
    & skf18("8","6","2","5","6","8","1") = "7"
    & skf18("8","6","2","5","6","9","1") = "8"
    & skf18("8","6","2","5","6","10","1") = "9"
    & skf18("8","6","2","5","7","1","1") = "7"
    & skf18("8","6","2","5","7","2","1") = "7"
    & skf18("8","6","2","5","7","3","1") = "7"
    & skf18("8","6","2","5","7","4","1") = "7"
    & skf18("8","6","2","5","7","5","1") = "7"
    & skf18("8","6","2","5","7","6","1") = "7"
    & skf18("8","6","2","5","7","7","1") = "7"
    & skf18("8","6","2","5","7","8","1") = "7"
    & skf18("8","6","2","5","7","9","1") = "8"
    & skf18("8","6","2","5","7","10","1") = "9"
    & skf18("8","6","2","5","8","1","1") = "7"
    & skf18("8","6","2","5","8","2","1") = "7"
    & skf18("8","6","2","5","8","3","1") = "7"
    & skf18("8","6","2","5","8","4","1") = "7"
    & skf18("8","6","2","5","8","5","1") = "7"
    & skf18("8","6","2","5","8","6","1") = "7"
    & skf18("8","6","2","5","8","7","1") = "7"
    & skf18("8","6","2","5","8","8","1") = "7"
    & skf18("8","6","2","5","8","9","1") = "8"
    & skf18("8","6","2","5","8","10","1") = "9"
    & skf18("8","6","2","5","9","1","1") = "8"
    & skf18("8","6","2","5","9","2","1") = "8"
    & skf18("8","6","2","5","9","3","1") = "8"
    & skf18("8","6","2","5","9","4","1") = "8"
    & skf18("8","6","2","5","9","5","1") = "8"
    & skf18("8","6","2","5","9","6","1") = "8"
    & skf18("8","6","2","5","9","7","1") = "8"
    & skf18("8","6","2","5","9","8","1") = "8"
    & skf18("8","6","2","5","9","9","1") = "8"
    & skf18("8","6","2","5","9","10","1") = "9"
    & skf18("8","6","2","5","10","1","1") = "9"
    & skf18("8","6","2","5","10","2","1") = "9"
    & skf18("8","6","2","5","10","3","1") = "9"
    & skf18("8","6","2","5","10","4","1") = "9"
    & skf18("8","6","2","5","10","5","1") = "9"
    & skf18("8","6","2","5","10","6","1") = "9"
    & skf18("8","6","2","5","10","7","1") = "9"
    & skf18("8","6","2","5","10","8","1") = "9"
    & skf18("8","6","2","5","10","9","1") = "9"
    & skf18("8","6","2","5","10","10","1") = "9"
    & skf18("8","6","2","6","1","1","1") = "7"
    & skf18("8","6","2","6","1","2","1") = "7"
    & skf18("8","6","2","6","1","3","1") = "7"
    & skf18("8","6","2","6","1","4","1") = "7"
    & skf18("8","6","2","6","1","5","1") = "7"
    & skf18("8","6","2","6","1","6","1") = "7"
    & skf18("8","6","2","6","1","7","1") = "7"
    & skf18("8","6","2","6","1","8","1") = "7"
    & skf18("8","6","2","6","1","9","1") = "8"
    & skf18("8","6","2","6","1","10","1") = "9"
    & skf18("8","6","2","6","2","1","1") = "7"
    & skf18("8","6","2","6","2","2","1") = "7"
    & skf18("8","6","2","6","2","3","1") = "7"
    & skf18("8","6","2","6","2","4","1") = "7"
    & skf18("8","6","2","6","2","5","1") = "7"
    & skf18("8","6","2","6","2","6","1") = "7"
    & skf18("8","6","2","6","2","7","1") = "7"
    & skf18("8","6","2","6","2","8","1") = "7"
    & skf18("8","6","2","6","2","9","1") = "8"
    & skf18("8","6","2","6","2","10","1") = "9"
    & skf18("8","6","2","6","3","1","1") = "7"
    & skf18("8","6","2","6","3","2","1") = "7"
    & skf18("8","6","2","6","3","3","1") = "7"
    & skf18("8","6","2","6","3","4","1") = "7"
    & skf18("8","6","2","6","3","5","1") = "7"
    & skf18("8","6","2","6","3","6","1") = "7"
    & skf18("8","6","2","6","3","7","1") = "7"
    & skf18("8","6","2","6","3","8","1") = "7"
    & skf18("8","6","2","6","3","9","1") = "8"
    & skf18("8","6","2","6","3","10","1") = "9"
    & skf18("8","6","2","6","4","1","1") = "7"
    & skf18("8","6","2","6","4","2","1") = "7"
    & skf18("8","6","2","6","4","3","1") = "7"
    & skf18("8","6","2","6","4","4","1") = "7"
    & skf18("8","6","2","6","4","5","1") = "7"
    & skf18("8","6","2","6","4","6","1") = "7"
    & skf18("8","6","2","6","4","7","1") = "7"
    & skf18("8","6","2","6","4","8","1") = "7"
    & skf18("8","6","2","6","4","9","1") = "8"
    & skf18("8","6","2","6","4","10","1") = "9"
    & skf18("8","6","2","6","5","1","1") = "7"
    & skf18("8","6","2","6","5","2","1") = "7"
    & skf18("8","6","2","6","5","3","1") = "7"
    & skf18("8","6","2","6","5","4","1") = "7"
    & skf18("8","6","2","6","5","5","1") = "7"
    & skf18("8","6","2","6","5","6","1") = "7"
    & skf18("8","6","2","6","5","7","1") = "7"
    & skf18("8","6","2","6","5","8","1") = "7"
    & skf18("8","6","2","6","5","9","1") = "8"
    & skf18("8","6","2","6","5","10","1") = "9"
    & skf18("8","6","2","6","6","1","1") = "7"
    & skf18("8","6","2","6","6","2","1") = "7"
    & skf18("8","6","2","6","6","3","1") = "7"
    & skf18("8","6","2","6","6","4","1") = "7"
    & skf18("8","6","2","6","6","5","1") = "7"
    & skf18("8","6","2","6","6","6","1") = "7"
    & skf18("8","6","2","6","6","7","1") = "7"
    & skf18("8","6","2","6","6","8","1") = "7"
    & skf18("8","6","2","6","6","9","1") = "8"
    & skf18("8","6","2","6","6","10","1") = "9"
    & skf18("8","6","2","6","7","1","1") = "7"
    & skf18("8","6","2","6","7","2","1") = "7"
    & skf18("8","6","2","6","7","3","1") = "7"
    & skf18("8","6","2","6","7","4","1") = "7"
    & skf18("8","6","2","6","7","5","1") = "7"
    & skf18("8","6","2","6","7","6","1") = "7"
    & skf18("8","6","2","6","7","7","1") = "7"
    & skf18("8","6","2","6","7","8","1") = "7"
    & skf18("8","6","2","6","7","9","1") = "8"
    & skf18("8","6","2","6","7","10","1") = "9"
    & skf18("8","6","2","6","8","1","1") = "7"
    & skf18("8","6","2","6","8","2","1") = "7"
    & skf18("8","6","2","6","8","3","1") = "7"
    & skf18("8","6","2","6","8","4","1") = "7"
    & skf18("8","6","2","6","8","5","1") = "7"
    & skf18("8","6","2","6","8","6","1") = "7"
    & skf18("8","6","2","6","8","7","1") = "7"
    & skf18("8","6","2","6","8","8","1") = "7"
    & skf18("8","6","2","6","8","9","1") = "8"
    & skf18("8","6","2","6","8","10","1") = "9"
    & skf18("8","6","2","6","9","1","1") = "8"
    & skf18("8","6","2","6","9","2","1") = "8"
    & skf18("8","6","2","6","9","3","1") = "8"
    & skf18("8","6","2","6","9","4","1") = "8"
    & skf18("8","6","2","6","9","5","1") = "8"
    & skf18("8","6","2","6","9","6","1") = "8"
    & skf18("8","6","2","6","9","7","1") = "8"
    & skf18("8","6","2","6","9","8","1") = "8"
    & skf18("8","6","2","6","9","9","1") = "8"
    & skf18("8","6","2","6","9","10","1") = "9"
    & skf18("8","6","2","6","10","1","1") = "9"
    & skf18("8","6","2","6","10","2","1") = "9"
    & skf18("8","6","2","6","10","3","1") = "9"
    & skf18("8","6","2","6","10","4","1") = "9"
    & skf18("8","6","2","6","10","5","1") = "9"
    & skf18("8","6","2","6","10","6","1") = "9"
    & skf18("8","6","2","6","10","7","1") = "9"
    & skf18("8","6","2","6","10","8","1") = "9"
    & skf18("8","6","2","6","10","9","1") = "9"
    & skf18("8","6","2","6","10","10","1") = "9"
    & skf18("8","6","2","7","1","1","1") = "7"
    & skf18("8","6","2","7","1","2","1") = "7"
    & skf18("8","6","2","7","1","3","1") = "7"
    & skf18("8","6","2","7","1","4","1") = "7"
    & skf18("8","6","2","7","1","5","1") = "7"
    & skf18("8","6","2","7","1","6","1") = "7"
    & skf18("8","6","2","7","1","7","1") = "7"
    & skf18("8","6","2","7","1","8","1") = "7"
    & skf18("8","6","2","7","1","9","1") = "8"
    & skf18("8","6","2","7","1","10","1") = "9"
    & skf18("8","6","2","7","2","1","1") = "7"
    & skf18("8","6","2","7","2","2","1") = "7"
    & skf18("8","6","2","7","2","3","1") = "7"
    & skf18("8","6","2","7","2","4","1") = "7"
    & skf18("8","6","2","7","2","5","1") = "7"
    & skf18("8","6","2","7","2","6","1") = "7"
    & skf18("8","6","2","7","2","7","1") = "7"
    & skf18("8","6","2","7","2","8","1") = "7"
    & skf18("8","6","2","7","2","9","1") = "8"
    & skf18("8","6","2","7","2","10","1") = "9"
    & skf18("8","6","2","7","3","1","1") = "7"
    & skf18("8","6","2","7","3","2","1") = "7"
    & skf18("8","6","2","7","3","3","1") = "7"
    & skf18("8","6","2","7","3","4","1") = "7"
    & skf18("8","6","2","7","3","5","1") = "7"
    & skf18("8","6","2","7","3","6","1") = "7"
    & skf18("8","6","2","7","3","7","1") = "7"
    & skf18("8","6","2","7","3","8","1") = "7"
    & skf18("8","6","2","7","3","9","1") = "8"
    & skf18("8","6","2","7","3","10","1") = "9"
    & skf18("8","6","2","7","4","1","1") = "7"
    & skf18("8","6","2","7","4","2","1") = "7"
    & skf18("8","6","2","7","4","3","1") = "7"
    & skf18("8","6","2","7","4","4","1") = "7"
    & skf18("8","6","2","7","4","5","1") = "7"
    & skf18("8","6","2","7","4","6","1") = "7"
    & skf18("8","6","2","7","4","7","1") = "7"
    & skf18("8","6","2","7","4","8","1") = "7"
    & skf18("8","6","2","7","4","9","1") = "8"
    & skf18("8","6","2","7","4","10","1") = "9"
    & skf18("8","6","2","7","5","1","1") = "7"
    & skf18("8","6","2","7","5","2","1") = "7"
    & skf18("8","6","2","7","5","3","1") = "7"
    & skf18("8","6","2","7","5","4","1") = "7"
    & skf18("8","6","2","7","5","5","1") = "7"
    & skf18("8","6","2","7","5","6","1") = "7"
    & skf18("8","6","2","7","5","7","1") = "7"
    & skf18("8","6","2","7","5","8","1") = "7"
    & skf18("8","6","2","7","5","9","1") = "8"
    & skf18("8","6","2","7","5","10","1") = "9"
    & skf18("8","6","2","7","6","1","1") = "7"
    & skf18("8","6","2","7","6","2","1") = "7"
    & skf18("8","6","2","7","6","3","1") = "7"
    & skf18("8","6","2","7","6","4","1") = "7"
    & skf18("8","6","2","7","6","5","1") = "7"
    & skf18("8","6","2","7","6","6","1") = "7"
    & skf18("8","6","2","7","6","7","1") = "7"
    & skf18("8","6","2","7","6","8","1") = "7"
    & skf18("8","6","2","7","6","9","1") = "8"
    & skf18("8","6","2","7","6","10","1") = "9"
    & skf18("8","6","2","7","7","1","1") = "7"
    & skf18("8","6","2","7","7","2","1") = "7"
    & skf18("8","6","2","7","7","3","1") = "7"
    & skf18("8","6","2","7","7","4","1") = "7"
    & skf18("8","6","2","7","7","5","1") = "7"
    & skf18("8","6","2","7","7","6","1") = "7"
    & skf18("8","6","2","7","7","7","1") = "7"
    & skf18("8","6","2","7","7","8","1") = "7"
    & skf18("8","6","2","7","7","9","1") = "8"
    & skf18("8","6","2","7","7","10","1") = "9"
    & skf18("8","6","2","7","8","1","1") = "7"
    & skf18("8","6","2","7","8","2","1") = "7"
    & skf18("8","6","2","7","8","3","1") = "7"
    & skf18("8","6","2","7","8","4","1") = "7"
    & skf18("8","6","2","7","8","5","1") = "7"
    & skf18("8","6","2","7","8","6","1") = "7"
    & skf18("8","6","2","7","8","7","1") = "7"
    & skf18("8","6","2","7","8","8","1") = "7"
    & skf18("8","6","2","7","8","9","1") = "8"
    & skf18("8","6","2","7","8","10","1") = "9"
    & skf18("8","6","2","7","9","1","1") = "8"
    & skf18("8","6","2","7","9","2","1") = "8"
    & skf18("8","6","2","7","9","3","1") = "8"
    & skf18("8","6","2","7","9","4","1") = "8"
    & skf18("8","6","2","7","9","5","1") = "8"
    & skf18("8","6","2","7","9","6","1") = "8"
    & skf18("8","6","2","7","9","7","1") = "8"
    & skf18("8","6","2","7","9","8","1") = "8"
    & skf18("8","6","2","7","9","9","1") = "8"
    & skf18("8","6","2","7","9","10","1") = "9"
    & skf18("8","6","2","7","10","1","1") = "9"
    & skf18("8","6","2","7","10","2","1") = "9"
    & skf18("8","6","2","7","10","3","1") = "9"
    & skf18("8","6","2","7","10","4","1") = "9"
    & skf18("8","6","2","7","10","5","1") = "9"
    & skf18("8","6","2","7","10","6","1") = "9"
    & skf18("8","6","2","7","10","7","1") = "9"
    & skf18("8","6","2","7","10","8","1") = "9"
    & skf18("8","6","2","7","10","9","1") = "9"
    & skf18("8","6","2","7","10","10","1") = "9"
    & skf18("8","6","2","8","1","1","1") = "7"
    & skf18("8","6","2","8","1","2","1") = "7"
    & skf18("8","6","2","8","1","3","1") = "7"
    & skf18("8","6","2","8","1","4","1") = "7"
    & skf18("8","6","2","8","1","5","1") = "7"
    & skf18("8","6","2","8","1","6","1") = "7"
    & skf18("8","6","2","8","1","7","1") = "7"
    & skf18("8","6","2","8","1","8","1") = "7"
    & skf18("8","6","2","8","1","9","1") = "8"
    & skf18("8","6","2","8","1","10","1") = "9"
    & skf18("8","6","2","8","2","1","1") = "7"
    & skf18("8","6","2","8","2","2","1") = "7"
    & skf18("8","6","2","8","2","3","1") = "7"
    & skf18("8","6","2","8","2","4","1") = "7"
    & skf18("8","6","2","8","2","5","1") = "7"
    & skf18("8","6","2","8","2","6","1") = "7"
    & skf18("8","6","2","8","2","7","1") = "7"
    & skf18("8","6","2","8","2","8","1") = "7"
    & skf18("8","6","2","8","2","9","1") = "8"
    & skf18("8","6","2","8","2","10","1") = "9"
    & skf18("8","6","2","8","3","1","1") = "7"
    & skf18("8","6","2","8","3","2","1") = "7"
    & skf18("8","6","2","8","3","3","1") = "7"
    & skf18("8","6","2","8","3","4","1") = "7"
    & skf18("8","6","2","8","3","5","1") = "7"
    & skf18("8","6","2","8","3","6","1") = "7"
    & skf18("8","6","2","8","3","7","1") = "7"
    & skf18("8","6","2","8","3","8","1") = "7"
    & skf18("8","6","2","8","3","9","1") = "8"
    & skf18("8","6","2","8","3","10","1") = "9"
    & skf18("8","6","2","8","4","1","1") = "7"
    & skf18("8","6","2","8","4","2","1") = "7"
    & skf18("8","6","2","8","4","3","1") = "7"
    & skf18("8","6","2","8","4","4","1") = "7"
    & skf18("8","6","2","8","4","5","1") = "7"
    & skf18("8","6","2","8","4","6","1") = "7"
    & skf18("8","6","2","8","4","7","1") = "7"
    & skf18("8","6","2","8","4","8","1") = "7"
    & skf18("8","6","2","8","4","9","1") = "8"
    & skf18("8","6","2","8","4","10","1") = "9"
    & skf18("8","6","2","8","5","1","1") = "7"
    & skf18("8","6","2","8","5","2","1") = "7"
    & skf18("8","6","2","8","5","3","1") = "7"
    & skf18("8","6","2","8","5","4","1") = "7"
    & skf18("8","6","2","8","5","5","1") = "7"
    & skf18("8","6","2","8","5","6","1") = "7"
    & skf18("8","6","2","8","5","7","1") = "7"
    & skf18("8","6","2","8","5","8","1") = "7"
    & skf18("8","6","2","8","5","9","1") = "8"
    & skf18("8","6","2","8","5","10","1") = "9"
    & skf18("8","6","2","8","6","1","1") = "7"
    & skf18("8","6","2","8","6","2","1") = "7"
    & skf18("8","6","2","8","6","3","1") = "7"
    & skf18("8","6","2","8","6","4","1") = "7"
    & skf18("8","6","2","8","6","5","1") = "7"
    & skf18("8","6","2","8","6","6","1") = "7"
    & skf18("8","6","2","8","6","7","1") = "7"
    & skf18("8","6","2","8","6","8","1") = "7"
    & skf18("8","6","2","8","6","9","1") = "8"
    & skf18("8","6","2","8","6","10","1") = "9"
    & skf18("8","6","2","8","7","1","1") = "7"
    & skf18("8","6","2","8","7","2","1") = "7"
    & skf18("8","6","2","8","7","3","1") = "7"
    & skf18("8","6","2","8","7","4","1") = "7"
    & skf18("8","6","2","8","7","5","1") = "7"
    & skf18("8","6","2","8","7","6","1") = "7"
    & skf18("8","6","2","8","7","7","1") = "7"
    & skf18("8","6","2","8","7","8","1") = "7"
    & skf18("8","6","2","8","7","9","1") = "8"
    & skf18("8","6","2","8","7","10","1") = "9"
    & skf18("8","6","2","8","8","1","1") = "7"
    & skf18("8","6","2","8","8","2","1") = "7"
    & skf18("8","6","2","8","8","3","1") = "7"
    & skf18("8","6","2","8","8","4","1") = "7"
    & skf18("8","6","2","8","8","5","1") = "7"
    & skf18("8","6","2","8","8","6","1") = "7"
    & skf18("8","6","2","8","8","7","1") = "7"
    & skf18("8","6","2","8","8","8","1") = "7"
    & skf18("8","6","2","8","8","9","1") = "8"
    & skf18("8","6","2","8","8","10","1") = "9"
    & skf18("8","6","2","8","9","1","1") = "8"
    & skf18("8","6","2","8","9","2","1") = "8"
    & skf18("8","6","2","8","9","3","1") = "8"
    & skf18("8","6","2","8","9","4","1") = "8"
    & skf18("8","6","2","8","9","5","1") = "8"
    & skf18("8","6","2","8","9","6","1") = "8"
    & skf18("8","6","2","8","9","7","1") = "8"
    & skf18("8","6","2","8","9","8","1") = "8"
    & skf18("8","6","2","8","9","9","1") = "8"
    & skf18("8","6","2","8","9","10","1") = "9"
    & skf18("8","6","2","8","10","1","1") = "9"
    & skf18("8","6","2","8","10","2","1") = "9"
    & skf18("8","6","2","8","10","3","1") = "9"
    & skf18("8","6","2","8","10","4","1") = "9"
    & skf18("8","6","2","8","10","5","1") = "9"
    & skf18("8","6","2","8","10","6","1") = "9"
    & skf18("8","6","2","8","10","7","1") = "9"
    & skf18("8","6","2","8","10","8","1") = "9"
    & skf18("8","6","2","8","10","9","1") = "9"
    & skf18("8","6","2","8","10","10","1") = "9"
    & skf18("8","6","2","9","1","1","1") = "8"
    & skf18("8","6","2","9","1","2","1") = "8"
    & skf18("8","6","2","9","1","3","1") = "8"
    & skf18("8","6","2","9","1","4","1") = "8"
    & skf18("8","6","2","9","1","5","1") = "8"
    & skf18("8","6","2","9","1","6","1") = "8"
    & skf18("8","6","2","9","1","7","1") = "8"
    & skf18("8","6","2","9","1","8","1") = "8"
    & skf18("8","6","2","9","1","9","1") = "8"
    & skf18("8","6","2","9","1","10","1") = "9"
    & skf18("8","6","2","9","2","1","1") = "8"
    & skf18("8","6","2","9","2","2","1") = "8"
    & skf18("8","6","2","9","2","3","1") = "8"
    & skf18("8","6","2","9","2","4","1") = "8"
    & skf18("8","6","2","9","2","5","1") = "8"
    & skf18("8","6","2","9","2","6","1") = "8"
    & skf18("8","6","2","9","2","7","1") = "8"
    & skf18("8","6","2","9","2","8","1") = "8"
    & skf18("8","6","2","9","2","9","1") = "8"
    & skf18("8","6","2","9","2","10","1") = "9"
    & skf18("8","6","2","9","3","1","1") = "8"
    & skf18("8","6","2","9","3","2","1") = "8"
    & skf18("8","6","2","9","3","3","1") = "8"
    & skf18("8","6","2","9","3","4","1") = "8"
    & skf18("8","6","2","9","3","5","1") = "8"
    & skf18("8","6","2","9","3","6","1") = "8"
    & skf18("8","6","2","9","3","7","1") = "8"
    & skf18("8","6","2","9","3","8","1") = "8"
    & skf18("8","6","2","9","3","9","1") = "8"
    & skf18("8","6","2","9","3","10","1") = "9"
    & skf18("8","6","2","9","4","1","1") = "8"
    & skf18("8","6","2","9","4","2","1") = "8"
    & skf18("8","6","2","9","4","3","1") = "8"
    & skf18("8","6","2","9","4","4","1") = "8"
    & skf18("8","6","2","9","4","5","1") = "8"
    & skf18("8","6","2","9","4","6","1") = "8"
    & skf18("8","6","2","9","4","7","1") = "8"
    & skf18("8","6","2","9","4","8","1") = "8"
    & skf18("8","6","2","9","4","9","1") = "8"
    & skf18("8","6","2","9","4","10","1") = "9"
    & skf18("8","6","2","9","5","1","1") = "8"
    & skf18("8","6","2","9","5","2","1") = "8"
    & skf18("8","6","2","9","5","3","1") = "8"
    & skf18("8","6","2","9","5","4","1") = "8"
    & skf18("8","6","2","9","5","5","1") = "8"
    & skf18("8","6","2","9","5","6","1") = "8"
    & skf18("8","6","2","9","5","7","1") = "8"
    & skf18("8","6","2","9","5","8","1") = "8"
    & skf18("8","6","2","9","5","9","1") = "8"
    & skf18("8","6","2","9","5","10","1") = "9"
    & skf18("8","6","2","9","6","1","1") = "8"
    & skf18("8","6","2","9","6","2","1") = "8"
    & skf18("8","6","2","9","6","3","1") = "8"
    & skf18("8","6","2","9","6","4","1") = "8"
    & skf18("8","6","2","9","6","5","1") = "8"
    & skf18("8","6","2","9","6","6","1") = "8"
    & skf18("8","6","2","9","6","7","1") = "8"
    & skf18("8","6","2","9","6","8","1") = "8"
    & skf18("8","6","2","9","6","9","1") = "8"
    & skf18("8","6","2","9","6","10","1") = "9"
    & skf18("8","6","2","9","7","1","1") = "8"
    & skf18("8","6","2","9","7","2","1") = "8"
    & skf18("8","6","2","9","7","3","1") = "8"
    & skf18("8","6","2","9","7","4","1") = "8"
    & skf18("8","6","2","9","7","5","1") = "8"
    & skf18("8","6","2","9","7","6","1") = "8"
    & skf18("8","6","2","9","7","7","1") = "8"
    & skf18("8","6","2","9","7","8","1") = "8"
    & skf18("8","6","2","9","7","9","1") = "8"
    & skf18("8","6","2","9","7","10","1") = "9"
    & skf18("8","6","2","9","8","1","1") = "8"
    & skf18("8","6","2","9","8","2","1") = "8"
    & skf18("8","6","2","9","8","3","1") = "8"
    & skf18("8","6","2","9","8","4","1") = "8"
    & skf18("8","6","2","9","8","5","1") = "8"
    & skf18("8","6","2","9","8","6","1") = "8"
    & skf18("8","6","2","9","8","7","1") = "8"
    & skf18("8","6","2","9","8","8","1") = "8"
    & skf18("8","6","2","9","8","9","1") = "8"
    & skf18("8","6","2","9","8","10","1") = "9"
    & skf18("8","6","2","9","9","1","1") = "8"
    & skf18("8","6","2","9","9","2","1") = "8"
    & skf18("8","6","2","9","9","3","1") = "8"
    & skf18("8","6","2","9","9","4","1") = "8"
    & skf18("8","6","2","9","9","5","1") = "8"
    & skf18("8","6","2","9","9","6","1") = "8"
    & skf18("8","6","2","9","9","7","1") = "8"
    & skf18("8","6","2","9","9","8","1") = "8"
    & skf18("8","6","2","9","9","9","1") = "8"
    & skf18("8","6","2","9","9","10","1") = "9"
    & skf18("8","6","2","9","10","1","1") = "9"
    & skf18("8","6","2","9","10","2","1") = "9"
    & skf18("8","6","2","9","10","3","1") = "9"
    & skf18("8","6","2","9","10","4","1") = "9"
    & skf18("8","6","2","9","10","5","1") = "9"
    & skf18("8","6","2","9","10","6","1") = "9"
    & skf18("8","6","2","9","10","7","1") = "9"
    & skf18("8","6","2","9","10","8","1") = "9"
    & skf18("8","6","2","9","10","9","1") = "9"
    & skf18("8","6","2","9","10","10","1") = "9"
    & skf18("8","6","2","10","1","1","1") = "9"
    & skf18("8","6","2","10","1","2","1") = "9"
    & skf18("8","6","2","10","1","3","1") = "9"
    & skf18("8","6","2","10","1","4","1") = "9"
    & skf18("8","6","2","10","1","5","1") = "9"
    & skf18("8","6","2","10","1","6","1") = "9"
    & skf18("8","6","2","10","1","7","1") = "9"
    & skf18("8","6","2","10","1","8","1") = "9"
    & skf18("8","6","2","10","1","9","1") = "9"
    & skf18("8","6","2","10","1","10","1") = "9"
    & skf18("8","6","2","10","2","1","1") = "9"
    & skf18("8","6","2","10","2","2","1") = "9"
    & skf18("8","6","2","10","2","3","1") = "9"
    & skf18("8","6","2","10","2","4","1") = "9"
    & skf18("8","6","2","10","2","5","1") = "9"
    & skf18("8","6","2","10","2","6","1") = "9"
    & skf18("8","6","2","10","2","7","1") = "9"
    & skf18("8","6","2","10","2","8","1") = "9"
    & skf18("8","6","2","10","2","9","1") = "9"
    & skf18("8","6","2","10","2","10","1") = "9"
    & skf18("8","6","2","10","3","1","1") = "9"
    & skf18("8","6","2","10","3","2","1") = "9"
    & skf18("8","6","2","10","3","3","1") = "9"
    & skf18("8","6","2","10","3","4","1") = "9"
    & skf18("8","6","2","10","3","5","1") = "9"
    & skf18("8","6","2","10","3","6","1") = "9"
    & skf18("8","6","2","10","3","7","1") = "9"
    & skf18("8","6","2","10","3","8","1") = "9"
    & skf18("8","6","2","10","3","9","1") = "9"
    & skf18("8","6","2","10","3","10","1") = "9"
    & skf18("8","6","2","10","4","1","1") = "9"
    & skf18("8","6","2","10","4","2","1") = "9"
    & skf18("8","6","2","10","4","3","1") = "9"
    & skf18("8","6","2","10","4","4","1") = "9"
    & skf18("8","6","2","10","4","5","1") = "9"
    & skf18("8","6","2","10","4","6","1") = "9"
    & skf18("8","6","2","10","4","7","1") = "9"
    & skf18("8","6","2","10","4","8","1") = "9"
    & skf18("8","6","2","10","4","9","1") = "9"
    & skf18("8","6","2","10","4","10","1") = "9"
    & skf18("8","6","2","10","5","1","1") = "9"
    & skf18("8","6","2","10","5","2","1") = "9"
    & skf18("8","6","2","10","5","3","1") = "9"
    & skf18("8","6","2","10","5","4","1") = "9"
    & skf18("8","6","2","10","5","5","1") = "9"
    & skf18("8","6","2","10","5","6","1") = "9"
    & skf18("8","6","2","10","5","7","1") = "9"
    & skf18("8","6","2","10","5","8","1") = "9"
    & skf18("8","6","2","10","5","9","1") = "9"
    & skf18("8","6","2","10","5","10","1") = "9"
    & skf18("8","6","2","10","6","1","1") = "9"
    & skf18("8","6","2","10","6","2","1") = "9"
    & skf18("8","6","2","10","6","3","1") = "9"
    & skf18("8","6","2","10","6","4","1") = "9"
    & skf18("8","6","2","10","6","5","1") = "9"
    & skf18("8","6","2","10","6","6","1") = "9"
    & skf18("8","6","2","10","6","7","1") = "9"
    & skf18("8","6","2","10","6","8","1") = "9"
    & skf18("8","6","2","10","6","9","1") = "9"
    & skf18("8","6","2","10","6","10","1") = "9"
    & skf18("8","6","2","10","7","1","1") = "9"
    & skf18("8","6","2","10","7","2","1") = "9"
    & skf18("8","6","2","10","7","3","1") = "9"
    & skf18("8","6","2","10","7","4","1") = "9"
    & skf18("8","6","2","10","7","5","1") = "9"
    & skf18("8","6","2","10","7","6","1") = "9"
    & skf18("8","6","2","10","7","7","1") = "9"
    & skf18("8","6","2","10","7","8","1") = "9"
    & skf18("8","6","2","10","7","9","1") = "9"
    & skf18("8","6","2","10","7","10","1") = "9"
    & skf18("8","6","2","10","8","1","1") = "9"
    & skf18("8","6","2","10","8","2","1") = "9"
    & skf18("8","6","2","10","8","3","1") = "9"
    & skf18("8","6","2","10","8","4","1") = "9"
    & skf18("8","6","2","10","8","5","1") = "9"
    & skf18("8","6","2","10","8","6","1") = "9"
    & skf18("8","6","2","10","8","7","1") = "9"
    & skf18("8","6","2","10","8","8","1") = "9"
    & skf18("8","6","2","10","8","9","1") = "9"
    & skf18("8","6","2","10","8","10","1") = "9"
    & skf18("8","6","2","10","9","1","1") = "9"
    & skf18("8","6","2","10","9","2","1") = "9"
    & skf18("8","6","2","10","9","3","1") = "9"
    & skf18("8","6","2","10","9","4","1") = "9"
    & skf18("8","6","2","10","9","5","1") = "9"
    & skf18("8","6","2","10","9","6","1") = "9"
    & skf18("8","6","2","10","9","7","1") = "9"
    & skf18("8","6","2","10","9","8","1") = "9"
    & skf18("8","6","2","10","9","9","1") = "9"
    & skf18("8","6","2","10","9","10","1") = "9"
    & skf18("8","6","2","10","10","1","1") = "9"
    & skf18("8","6","2","10","10","2","1") = "9"
    & skf18("8","6","2","10","10","3","1") = "9"
    & skf18("8","6","2","10","10","4","1") = "9"
    & skf18("8","6","2","10","10","5","1") = "9"
    & skf18("8","6","2","10","10","6","1") = "9"
    & skf18("8","6","2","10","10","7","1") = "9"
    & skf18("8","6","2","10","10","8","1") = "9"
    & skf18("8","6","2","10","10","9","1") = "9"
    & skf18("8","6","2","10","10","10","1") = "9"
    & skf18("8","6","3","1","1","1","1") = "7"
    & skf18("8","6","3","1","1","2","1") = "7"
    & skf18("8","6","3","1","1","3","1") = "7"
    & skf18("8","6","3","1","1","4","1") = "7"
    & skf18("8","6","3","1","1","5","1") = "7"
    & skf18("8","6","3","1","1","6","1") = "7"
    & skf18("8","6","3","1","1","7","1") = "7"
    & skf18("8","6","3","1","1","8","1") = "7"
    & skf18("8","6","3","1","1","9","1") = "8"
    & skf18("8","6","3","1","1","10","1") = "9"
    & skf18("8","6","3","1","2","1","1") = "7"
    & skf18("8","6","3","1","2","2","1") = "7"
    & skf18("8","6","3","1","2","3","1") = "7"
    & skf18("8","6","3","1","2","4","1") = "7"
    & skf18("8","6","3","1","2","5","1") = "7"
    & skf18("8","6","3","1","2","6","1") = "7"
    & skf18("8","6","3","1","2","7","1") = "7"
    & skf18("8","6","3","1","2","8","1") = "7"
    & skf18("8","6","3","1","2","9","1") = "8"
    & skf18("8","6","3","1","2","10","1") = "9"
    & skf18("8","6","3","1","3","1","1") = "7"
    & skf18("8","6","3","1","3","2","1") = "7"
    & skf18("8","6","3","1","3","3","1") = "7"
    & skf18("8","6","3","1","3","4","1") = "7"
    & skf18("8","6","3","1","3","5","1") = "7"
    & skf18("8","6","3","1","3","6","1") = "7"
    & skf18("8","6","3","1","3","7","1") = "7"
    & skf18("8","6","3","1","3","8","1") = "7"
    & skf18("8","6","3","1","3","9","1") = "8"
    & skf18("8","6","3","1","3","10","1") = "9"
    & skf18("8","6","3","1","4","1","1") = "7"
    & skf18("8","6","3","1","4","2","1") = "7"
    & skf18("8","6","3","1","4","3","1") = "7"
    & skf18("8","6","3","1","4","4","1") = "7"
    & skf18("8","6","3","1","4","5","1") = "7"
    & skf18("8","6","3","1","4","6","1") = "7"
    & skf18("8","6","3","1","4","7","1") = "7"
    & skf18("8","6","3","1","4","8","1") = "7"
    & skf18("8","6","3","1","4","9","1") = "8"
    & skf18("8","6","3","1","4","10","1") = "9"
    & skf18("8","6","3","1","5","1","1") = "7"
    & skf18("8","6","3","1","5","2","1") = "7"
    & skf18("8","6","3","1","5","3","1") = "7"
    & skf18("8","6","3","1","5","4","1") = "7"
    & skf18("8","6","3","1","5","5","1") = "7"
    & skf18("8","6","3","1","5","6","1") = "7"
    & skf18("8","6","3","1","5","7","1") = "7"
    & skf18("8","6","3","1","5","8","1") = "7"
    & skf18("8","6","3","1","5","9","1") = "8"
    & skf18("8","6","3","1","5","10","1") = "9"
    & skf18("8","6","3","1","6","1","1") = "7"
    & skf18("8","6","3","1","6","2","1") = "7"
    & skf18("8","6","3","1","6","3","1") = "7"
    & skf18("8","6","3","1","6","4","1") = "7"
    & skf18("8","6","3","1","6","5","1") = "7"
    & skf18("8","6","3","1","6","6","1") = "7"
    & skf18("8","6","3","1","6","7","1") = "7"
    & skf18("8","6","3","1","6","8","1") = "7"
    & skf18("8","6","3","1","6","9","1") = "8"
    & skf18("8","6","3","1","6","10","1") = "9"
    & skf18("8","6","3","1","7","1","1") = "7"
    & skf18("8","6","3","1","7","2","1") = "7"
    & skf18("8","6","3","1","7","3","1") = "7"
    & skf18("8","6","3","1","7","4","1") = "7"
    & skf18("8","6","3","1","7","5","1") = "7"
    & skf18("8","6","3","1","7","6","1") = "7"
    & skf18("8","6","3","1","7","7","1") = "7"
    & skf18("8","6","3","1","7","8","1") = "7"
    & skf18("8","6","3","1","7","9","1") = "8"
    & skf18("8","6","3","1","7","10","1") = "9"
    & skf18("8","6","3","1","8","1","1") = "7"
    & skf18("8","6","3","1","8","2","1") = "7"
    & skf18("8","6","3","1","8","3","1") = "7"
    & skf18("8","6","3","1","8","4","1") = "7"
    & skf18("8","6","3","1","8","5","1") = "7"
    & skf18("8","6","3","1","8","6","1") = "7"
    & skf18("8","6","3","1","8","7","1") = "7"
    & skf18("8","6","3","1","8","8","1") = "7"
    & skf18("8","6","3","1","8","9","1") = "8"
    & skf18("8","6","3","1","8","10","1") = "9"
    & skf18("8","6","3","1","9","1","1") = "8"
    & skf18("8","6","3","1","9","2","1") = "8"
    & skf18("8","6","3","1","9","3","1") = "8"
    & skf18("8","6","3","1","9","4","1") = "8"
    & skf18("8","6","3","1","9","5","1") = "8"
    & skf18("8","6","3","1","9","6","1") = "8"
    & skf18("8","6","3","1","9","7","1") = "8"
    & skf18("8","6","3","1","9","8","1") = "8"
    & skf18("8","6","3","1","9","9","1") = "8"
    & skf18("8","6","3","1","9","10","1") = "9"
    & skf18("8","6","3","1","10","1","1") = "9"
    & skf18("8","6","3","1","10","2","1") = "9"
    & skf18("8","6","3","1","10","3","1") = "9"
    & skf18("8","6","3","1","10","4","1") = "9"
    & skf18("8","6","3","1","10","5","1") = "9"
    & skf18("8","6","3","1","10","6","1") = "9"
    & skf18("8","6","3","1","10","7","1") = "9"
    & skf18("8","6","3","1","10","8","1") = "9"
    & skf18("8","6","3","1","10","9","1") = "9"
    & skf18("8","6","3","1","10","10","1") = "9"
    & skf18("8","6","3","2","1","1","1") = "7"
    & skf18("8","6","3","2","1","2","1") = "7"
    & skf18("8","6","3","2","1","3","1") = "7"
    & skf18("8","6","3","2","1","4","1") = "7"
    & skf18("8","6","3","2","1","5","1") = "7"
    & skf18("8","6","3","2","1","6","1") = "7"
    & skf18("8","6","3","2","1","7","1") = "7"
    & skf18("8","6","3","2","1","8","1") = "7"
    & skf18("8","6","3","2","1","9","1") = "8"
    & skf18("8","6","3","2","1","10","1") = "9"
    & skf18("8","6","3","2","2","1","1") = "7"
    & skf18("8","6","3","2","2","2","1") = "7"
    & skf18("8","6","3","2","2","3","1") = "7"
    & skf18("8","6","3","2","2","4","1") = "7"
    & skf18("8","6","3","2","2","5","1") = "7"
    & skf18("8","6","3","2","2","6","1") = "7"
    & skf18("8","6","3","2","2","7","1") = "7"
    & skf18("8","6","3","2","2","8","1") = "7"
    & skf18("8","6","3","2","2","9","1") = "8"
    & skf18("8","6","3","2","2","10","1") = "9"
    & skf18("8","6","3","2","3","1","1") = "7"
    & skf18("8","6","3","2","3","2","1") = "7"
    & skf18("8","6","3","2","3","3","1") = "7"
    & skf18("8","6","3","2","3","4","1") = "7"
    & skf18("8","6","3","2","3","5","1") = "7"
    & skf18("8","6","3","2","3","6","1") = "7"
    & skf18("8","6","3","2","3","7","1") = "7"
    & skf18("8","6","3","2","3","8","1") = "7"
    & skf18("8","6","3","2","3","9","1") = "8"
    & skf18("8","6","3","2","3","10","1") = "9"
    & skf18("8","6","3","2","4","1","1") = "7"
    & skf18("8","6","3","2","4","2","1") = "7"
    & skf18("8","6","3","2","4","3","1") = "7"
    & skf18("8","6","3","2","4","4","1") = "7"
    & skf18("8","6","3","2","4","5","1") = "7"
    & skf18("8","6","3","2","4","6","1") = "7"
    & skf18("8","6","3","2","4","7","1") = "7"
    & skf18("8","6","3","2","4","8","1") = "7"
    & skf18("8","6","3","2","4","9","1") = "8"
    & skf18("8","6","3","2","4","10","1") = "9"
    & skf18("8","6","3","2","5","1","1") = "7"
    & skf18("8","6","3","2","5","2","1") = "7"
    & skf18("8","6","3","2","5","3","1") = "7"
    & skf18("8","6","3","2","5","4","1") = "7"
    & skf18("8","6","3","2","5","5","1") = "7"
    & skf18("8","6","3","2","5","6","1") = "7"
    & skf18("8","6","3","2","5","7","1") = "7"
    & skf18("8","6","3","2","5","8","1") = "7"
    & skf18("8","6","3","2","5","9","1") = "8"
    & skf18("8","6","3","2","5","10","1") = "9"
    & skf18("8","6","3","2","6","1","1") = "7"
    & skf18("8","6","3","2","6","2","1") = "7"
    & skf18("8","6","3","2","6","3","1") = "7"
    & skf18("8","6","3","2","6","4","1") = "7"
    & skf18("8","6","3","2","6","5","1") = "7"
    & skf18("8","6","3","2","6","6","1") = "7"
    & skf18("8","6","3","2","6","7","1") = "7"
    & skf18("8","6","3","2","6","8","1") = "7"
    & skf18("8","6","3","2","6","9","1") = "8"
    & skf18("8","6","3","2","6","10","1") = "9"
    & skf18("8","6","3","2","7","1","1") = "7"
    & skf18("8","6","3","2","7","2","1") = "7"
    & skf18("8","6","3","2","7","3","1") = "7"
    & skf18("8","6","3","2","7","4","1") = "7"
    & skf18("8","6","3","2","7","5","1") = "7"
    & skf18("8","6","3","2","7","6","1") = "7"
    & skf18("8","6","3","2","7","7","1") = "7"
    & skf18("8","6","3","2","7","8","1") = "7"
    & skf18("8","6","3","2","7","9","1") = "8"
    & skf18("8","6","3","2","7","10","1") = "9"
    & skf18("8","6","3","2","8","1","1") = "7"
    & skf18("8","6","3","2","8","2","1") = "7"
    & skf18("8","6","3","2","8","3","1") = "7"
    & skf18("8","6","3","2","8","4","1") = "7"
    & skf18("8","6","3","2","8","5","1") = "7"
    & skf18("8","6","3","2","8","6","1") = "7"
    & skf18("8","6","3","2","8","7","1") = "7"
    & skf18("8","6","3","2","8","8","1") = "7"
    & skf18("8","6","3","2","8","9","1") = "8"
    & skf18("8","6","3","2","8","10","1") = "9"
    & skf18("8","6","3","2","9","1","1") = "8"
    & skf18("8","6","3","2","9","2","1") = "8"
    & skf18("8","6","3","2","9","3","1") = "8"
    & skf18("8","6","3","2","9","4","1") = "8"
    & skf18("8","6","3","2","9","5","1") = "8"
    & skf18("8","6","3","2","9","6","1") = "8"
    & skf18("8","6","3","2","9","7","1") = "8"
    & skf18("8","6","3","2","9","8","1") = "8"
    & skf18("8","6","3","2","9","9","1") = "8"
    & skf18("8","6","3","2","9","10","1") = "9"
    & skf18("8","6","3","2","10","1","1") = "9"
    & skf18("8","6","3","2","10","2","1") = "9"
    & skf18("8","6","3","2","10","3","1") = "9"
    & skf18("8","6","3","2","10","4","1") = "9"
    & skf18("8","6","3","2","10","5","1") = "9"
    & skf18("8","6","3","2","10","6","1") = "9"
    & skf18("8","6","3","2","10","7","1") = "9"
    & skf18("8","6","3","2","10","8","1") = "9"
    & skf18("8","6","3","2","10","9","1") = "9"
    & skf18("8","6","3","2","10","10","1") = "9"
    & skf18("8","6","3","3","1","1","1") = "7"
    & skf18("8","6","3","3","1","2","1") = "7"
    & skf18("8","6","3","3","1","3","1") = "7"
    & skf18("8","6","3","3","1","4","1") = "7"
    & skf18("8","6","3","3","1","5","1") = "7"
    & skf18("8","6","3","3","1","6","1") = "7"
    & skf18("8","6","3","3","1","7","1") = "7"
    & skf18("8","6","3","3","1","8","1") = "7"
    & skf18("8","6","3","3","1","9","1") = "8"
    & skf18("8","6","3","3","1","10","1") = "9"
    & skf18("8","6","3","3","2","1","1") = "7"
    & skf18("8","6","3","3","2","2","1") = "7"
    & skf18("8","6","3","3","2","3","1") = "7"
    & skf18("8","6","3","3","2","4","1") = "7"
    & skf18("8","6","3","3","2","5","1") = "7"
    & skf18("8","6","3","3","2","6","1") = "7"
    & skf18("8","6","3","3","2","7","1") = "7"
    & skf18("8","6","3","3","2","8","1") = "7"
    & skf18("8","6","3","3","2","9","1") = "8"
    & skf18("8","6","3","3","2","10","1") = "9"
    & skf18("8","6","3","3","3","1","1") = "7"
    & skf18("8","6","3","3","3","2","1") = "7"
    & skf18("8","6","3","3","3","3","1") = "7"
    & skf18("8","6","3","3","3","4","1") = "7"
    & skf18("8","6","3","3","3","5","1") = "7"
    & skf18("8","6","3","3","3","6","1") = "7"
    & skf18("8","6","3","3","3","7","1") = "7"
    & skf18("8","6","3","3","3","8","1") = "7"
    & skf18("8","6","3","3","3","9","1") = "8"
    & skf18("8","6","3","3","3","10","1") = "9"
    & skf18("8","6","3","3","4","1","1") = "7"
    & skf18("8","6","3","3","4","2","1") = "7"
    & skf18("8","6","3","3","4","3","1") = "7"
    & skf18("8","6","3","3","4","4","1") = "7"
    & skf18("8","6","3","3","4","5","1") = "7"
    & skf18("8","6","3","3","4","6","1") = "7"
    & skf18("8","6","3","3","4","7","1") = "7"
    & skf18("8","6","3","3","4","8","1") = "7"
    & skf18("8","6","3","3","4","9","1") = "8"
    & skf18("8","6","3","3","4","10","1") = "9"
    & skf18("8","6","3","3","5","1","1") = "7"
    & skf18("8","6","3","3","5","2","1") = "7"
    & skf18("8","6","3","3","5","3","1") = "7"
    & skf18("8","6","3","3","5","4","1") = "7"
    & skf18("8","6","3","3","5","5","1") = "7"
    & skf18("8","6","3","3","5","6","1") = "7"
    & skf18("8","6","3","3","5","7","1") = "7"
    & skf18("8","6","3","3","5","8","1") = "7"
    & skf18("8","6","3","3","5","9","1") = "8"
    & skf18("8","6","3","3","5","10","1") = "9"
    & skf18("8","6","3","3","6","1","1") = "7"
    & skf18("8","6","3","3","6","2","1") = "7"
    & skf18("8","6","3","3","6","3","1") = "7"
    & skf18("8","6","3","3","6","4","1") = "7"
    & skf18("8","6","3","3","6","5","1") = "7"
    & skf18("8","6","3","3","6","6","1") = "7"
    & skf18("8","6","3","3","6","7","1") = "7"
    & skf18("8","6","3","3","6","8","1") = "7"
    & skf18("8","6","3","3","6","9","1") = "8"
    & skf18("8","6","3","3","6","10","1") = "9"
    & skf18("8","6","3","3","7","1","1") = "7"
    & skf18("8","6","3","3","7","2","1") = "7"
    & skf18("8","6","3","3","7","3","1") = "7"
    & skf18("8","6","3","3","7","4","1") = "7"
    & skf18("8","6","3","3","7","5","1") = "7"
    & skf18("8","6","3","3","7","6","1") = "7"
    & skf18("8","6","3","3","7","7","1") = "7"
    & skf18("8","6","3","3","7","8","1") = "7"
    & skf18("8","6","3","3","7","9","1") = "8"
    & skf18("8","6","3","3","7","10","1") = "9"
    & skf18("8","6","3","3","8","1","1") = "7"
    & skf18("8","6","3","3","8","2","1") = "7"
    & skf18("8","6","3","3","8","3","1") = "7"
    & skf18("8","6","3","3","8","4","1") = "7"
    & skf18("8","6","3","3","8","5","1") = "7"
    & skf18("8","6","3","3","8","6","1") = "7"
    & skf18("8","6","3","3","8","7","1") = "7"
    & skf18("8","6","3","3","8","8","1") = "7"
    & skf18("8","6","3","3","8","9","1") = "8"
    & skf18("8","6","3","3","8","10","1") = "9"
    & skf18("8","6","3","3","9","1","1") = "8"
    & skf18("8","6","3","3","9","2","1") = "8"
    & skf18("8","6","3","3","9","3","1") = "8"
    & skf18("8","6","3","3","9","4","1") = "8"
    & skf18("8","6","3","3","9","5","1") = "8"
    & skf18("8","6","3","3","9","6","1") = "8"
    & skf18("8","6","3","3","9","7","1") = "8"
    & skf18("8","6","3","3","9","8","1") = "8"
    & skf18("8","6","3","3","9","9","1") = "8"
    & skf18("8","6","3","3","9","10","1") = "9"
    & skf18("8","6","3","3","10","1","1") = "9"
    & skf18("8","6","3","3","10","2","1") = "9"
    & skf18("8","6","3","3","10","3","1") = "9"
    & skf18("8","6","3","3","10","4","1") = "9"
    & skf18("8","6","3","3","10","5","1") = "9"
    & skf18("8","6","3","3","10","6","1") = "9"
    & skf18("8","6","3","3","10","7","1") = "9"
    & skf18("8","6","3","3","10","8","1") = "9"
    & skf18("8","6","3","3","10","9","1") = "9"
    & skf18("8","6","3","3","10","10","1") = "9"
    & skf18("8","6","3","4","1","1","1") = "7"
    & skf18("8","6","3","4","1","2","1") = "7"
    & skf18("8","6","3","4","1","3","1") = "7"
    & skf18("8","6","3","4","1","4","1") = "7"
    & skf18("8","6","3","4","1","5","1") = "7"
    & skf18("8","6","3","4","1","6","1") = "7"
    & skf18("8","6","3","4","1","7","1") = "7"
    & skf18("8","6","3","4","1","8","1") = "7"
    & skf18("8","6","3","4","1","9","1") = "8"
    & skf18("8","6","3","4","1","10","1") = "9"
    & skf18("8","6","3","4","2","1","1") = "7"
    & skf18("8","6","3","4","2","2","1") = "7"
    & skf18("8","6","3","4","2","3","1") = "7"
    & skf18("8","6","3","4","2","4","1") = "7"
    & skf18("8","6","3","4","2","5","1") = "7"
    & skf18("8","6","3","4","2","6","1") = "7"
    & skf18("8","6","3","4","2","7","1") = "7"
    & skf18("8","6","3","4","2","8","1") = "7"
    & skf18("8","6","3","4","2","9","1") = "8"
    & skf18("8","6","3","4","2","10","1") = "9"
    & skf18("8","6","3","4","3","1","1") = "7"
    & skf18("8","6","3","4","3","2","1") = "7"
    & skf18("8","6","3","4","3","3","1") = "7"
    & skf18("8","6","3","4","3","4","1") = "7"
    & skf18("8","6","3","4","3","5","1") = "7"
    & skf18("8","6","3","4","3","6","1") = "7"
    & skf18("8","6","3","4","3","7","1") = "7"
    & skf18("8","6","3","4","3","8","1") = "7"
    & skf18("8","6","3","4","3","9","1") = "8"
    & skf18("8","6","3","4","3","10","1") = "9"
    & skf18("8","6","3","4","4","1","1") = "7"
    & skf18("8","6","3","4","4","2","1") = "7"
    & skf18("8","6","3","4","4","3","1") = "7"
    & skf18("8","6","3","4","4","4","1") = "7"
    & skf18("8","6","3","4","4","5","1") = "7"
    & skf18("8","6","3","4","4","6","1") = "7"
    & skf18("8","6","3","4","4","7","1") = "7"
    & skf18("8","6","3","4","4","8","1") = "7"
    & skf18("8","6","3","4","4","9","1") = "8"
    & skf18("8","6","3","4","4","10","1") = "9"
    & skf18("8","6","3","4","5","1","1") = "7"
    & skf18("8","6","3","4","5","2","1") = "7"
    & skf18("8","6","3","4","5","3","1") = "7"
    & skf18("8","6","3","4","5","4","1") = "7"
    & skf18("8","6","3","4","5","5","1") = "7"
    & skf18("8","6","3","4","5","6","1") = "7"
    & skf18("8","6","3","4","5","7","1") = "7"
    & skf18("8","6","3","4","5","8","1") = "7"
    & skf18("8","6","3","4","5","9","1") = "8"
    & skf18("8","6","3","4","5","10","1") = "9"
    & skf18("8","6","3","4","6","1","1") = "7"
    & skf18("8","6","3","4","6","2","1") = "7"
    & skf18("8","6","3","4","6","3","1") = "7"
    & skf18("8","6","3","4","6","4","1") = "7"
    & skf18("8","6","3","4","6","5","1") = "7"
    & skf18("8","6","3","4","6","6","1") = "7"
    & skf18("8","6","3","4","6","7","1") = "7"
    & skf18("8","6","3","4","6","8","1") = "7"
    & skf18("8","6","3","4","6","9","1") = "8"
    & skf18("8","6","3","4","6","10","1") = "9"
    & skf18("8","6","3","4","7","1","1") = "7"
    & skf18("8","6","3","4","7","2","1") = "7"
    & skf18("8","6","3","4","7","3","1") = "7"
    & skf18("8","6","3","4","7","4","1") = "7"
    & skf18("8","6","3","4","7","5","1") = "7"
    & skf18("8","6","3","4","7","6","1") = "7"
    & skf18("8","6","3","4","7","7","1") = "7"
    & skf18("8","6","3","4","7","8","1") = "7"
    & skf18("8","6","3","4","7","9","1") = "8"
    & skf18("8","6","3","4","7","10","1") = "9"
    & skf18("8","6","3","4","8","1","1") = "7"
    & skf18("8","6","3","4","8","2","1") = "7"
    & skf18("8","6","3","4","8","3","1") = "7"
    & skf18("8","6","3","4","8","4","1") = "7"
    & skf18("8","6","3","4","8","5","1") = "7"
    & skf18("8","6","3","4","8","6","1") = "7"
    & skf18("8","6","3","4","8","7","1") = "7"
    & skf18("8","6","3","4","8","8","1") = "7"
    & skf18("8","6","3","4","8","9","1") = "8"
    & skf18("8","6","3","4","8","10","1") = "9"
    & skf18("8","6","3","4","9","1","1") = "8"
    & skf18("8","6","3","4","9","2","1") = "8"
    & skf18("8","6","3","4","9","3","1") = "8"
    & skf18("8","6","3","4","9","4","1") = "8"
    & skf18("8","6","3","4","9","5","1") = "8"
    & skf18("8","6","3","4","9","6","1") = "8"
    & skf18("8","6","3","4","9","7","1") = "8"
    & skf18("8","6","3","4","9","8","1") = "8"
    & skf18("8","6","3","4","9","9","1") = "8"
    & skf18("8","6","3","4","9","10","1") = "9"
    & skf18("8","6","3","4","10","1","1") = "9"
    & skf18("8","6","3","4","10","2","1") = "9"
    & skf18("8","6","3","4","10","3","1") = "9"
    & skf18("8","6","3","4","10","4","1") = "9"
    & skf18("8","6","3","4","10","5","1") = "9"
    & skf18("8","6","3","4","10","6","1") = "9"
    & skf18("8","6","3","4","10","7","1") = "9"
    & skf18("8","6","3","4","10","8","1") = "9"
    & skf18("8","6","3","4","10","9","1") = "9"
    & skf18("8","6","3","4","10","10","1") = "9"
    & skf18("8","6","3","5","1","1","1") = "7"
    & skf18("8","6","3","5","1","2","1") = "7"
    & skf18("8","6","3","5","1","3","1") = "7"
    & skf18("8","6","3","5","1","4","1") = "7"
    & skf18("8","6","3","5","1","5","1") = "7"
    & skf18("8","6","3","5","1","6","1") = "7"
    & skf18("8","6","3","5","1","7","1") = "7"
    & skf18("8","6","3","5","1","8","1") = "7"
    & skf18("8","6","3","5","1","9","1") = "8"
    & skf18("8","6","3","5","1","10","1") = "9"
    & skf18("8","6","3","5","2","1","1") = "7"
    & skf18("8","6","3","5","2","2","1") = "7"
    & skf18("8","6","3","5","2","3","1") = "7"
    & skf18("8","6","3","5","2","4","1") = "7"
    & skf18("8","6","3","5","2","5","1") = "7"
    & skf18("8","6","3","5","2","6","1") = "7"
    & skf18("8","6","3","5","2","7","1") = "7"
    & skf18("8","6","3","5","2","8","1") = "7"
    & skf18("8","6","3","5","2","9","1") = "8"
    & skf18("8","6","3","5","2","10","1") = "9"
    & skf18("8","6","3","5","3","1","1") = "7"
    & skf18("8","6","3","5","3","2","1") = "7"
    & skf18("8","6","3","5","3","3","1") = "7"
    & skf18("8","6","3","5","3","4","1") = "7"
    & skf18("8","6","3","5","3","5","1") = "7"
    & skf18("8","6","3","5","3","6","1") = "7"
    & skf18("8","6","3","5","3","7","1") = "7"
    & skf18("8","6","3","5","3","8","1") = "7"
    & skf18("8","6","3","5","3","9","1") = "8"
    & skf18("8","6","3","5","3","10","1") = "9"
    & skf18("8","6","3","5","4","1","1") = "7"
    & skf18("8","6","3","5","4","2","1") = "7"
    & skf18("8","6","3","5","4","3","1") = "7"
    & skf18("8","6","3","5","4","4","1") = "7"
    & skf18("8","6","3","5","4","5","1") = "7"
    & skf18("8","6","3","5","4","6","1") = "7"
    & skf18("8","6","3","5","4","7","1") = "7"
    & skf18("8","6","3","5","4","8","1") = "7"
    & skf18("8","6","3","5","4","9","1") = "8"
    & skf18("8","6","3","5","4","10","1") = "9"
    & skf18("8","6","3","5","5","1","1") = "7"
    & skf18("8","6","3","5","5","2","1") = "7"
    & skf18("8","6","3","5","5","3","1") = "7"
    & skf18("8","6","3","5","5","4","1") = "7"
    & skf18("8","6","3","5","5","5","1") = "7"
    & skf18("8","6","3","5","5","6","1") = "7"
    & skf18("8","6","3","5","5","7","1") = "7"
    & skf18("8","6","3","5","5","8","1") = "7"
    & skf18("8","6","3","5","5","9","1") = "8"
    & skf18("8","6","3","5","5","10","1") = "9"
    & skf18("8","6","3","5","6","1","1") = "7"
    & skf18("8","6","3","5","6","2","1") = "7"
    & skf18("8","6","3","5","6","3","1") = "7"
    & skf18("8","6","3","5","6","4","1") = "7"
    & skf18("8","6","3","5","6","5","1") = "7"
    & skf18("8","6","3","5","6","6","1") = "7"
    & skf18("8","6","3","5","6","7","1") = "7"
    & skf18("8","6","3","5","6","8","1") = "7"
    & skf18("8","6","3","5","6","9","1") = "8"
    & skf18("8","6","3","5","6","10","1") = "9"
    & skf18("8","6","3","5","7","1","1") = "7"
    & skf18("8","6","3","5","7","2","1") = "7"
    & skf18("8","6","3","5","7","3","1") = "7"
    & skf18("8","6","3","5","7","4","1") = "7"
    & skf18("8","6","3","5","7","5","1") = "7"
    & skf18("8","6","3","5","7","6","1") = "7"
    & skf18("8","6","3","5","7","7","1") = "7"
    & skf18("8","6","3","5","7","8","1") = "7"
    & skf18("8","6","3","5","7","9","1") = "8"
    & skf18("8","6","3","5","7","10","1") = "9"
    & skf18("8","6","3","5","8","1","1") = "7"
    & skf18("8","6","3","5","8","2","1") = "7"
    & skf18("8","6","3","5","8","3","1") = "7"
    & skf18("8","6","3","5","8","4","1") = "7"
    & skf18("8","6","3","5","8","5","1") = "7"
    & skf18("8","6","3","5","8","6","1") = "7"
    & skf18("8","6","3","5","8","7","1") = "7"
    & skf18("8","6","3","5","8","8","1") = "7"
    & skf18("8","6","3","5","8","9","1") = "8"
    & skf18("8","6","3","5","8","10","1") = "9"
    & skf18("8","6","3","5","9","1","1") = "8"
    & skf18("8","6","3","5","9","2","1") = "8"
    & skf18("8","6","3","5","9","3","1") = "8"
    & skf18("8","6","3","5","9","4","1") = "8"
    & skf18("8","6","3","5","9","5","1") = "8"
    & skf18("8","6","3","5","9","6","1") = "8"
    & skf18("8","6","3","5","9","7","1") = "8"
    & skf18("8","6","3","5","9","8","1") = "8"
    & skf18("8","6","3","5","9","9","1") = "8"
    & skf18("8","6","3","5","9","10","1") = "9"
    & skf18("8","6","3","5","10","1","1") = "9"
    & skf18("8","6","3","5","10","2","1") = "9"
    & skf18("8","6","3","5","10","3","1") = "9"
    & skf18("8","6","3","5","10","4","1") = "9"
    & skf18("8","6","3","5","10","5","1") = "9"
    & skf18("8","6","3","5","10","6","1") = "9"
    & skf18("8","6","3","5","10","7","1") = "9"
    & skf18("8","6","3","5","10","8","1") = "9"
    & skf18("8","6","3","5","10","9","1") = "9"
    & skf18("8","6","3","5","10","10","1") = "9"
    & skf18("8","6","3","6","1","1","1") = "7"
    & skf18("8","6","3","6","1","2","1") = "7"
    & skf18("8","6","3","6","1","3","1") = "7"
    & skf18("8","6","3","6","1","4","1") = "7"
    & skf18("8","6","3","6","1","5","1") = "7"
    & skf18("8","6","3","6","1","6","1") = "7"
    & skf18("8","6","3","6","1","7","1") = "7"
    & skf18("8","6","3","6","1","8","1") = "7"
    & skf18("8","6","3","6","1","9","1") = "8"
    & skf18("8","6","3","6","1","10","1") = "9"
    & skf18("8","6","3","6","2","1","1") = "7"
    & skf18("8","6","3","6","2","2","1") = "7"
    & skf18("8","6","3","6","2","3","1") = "7"
    & skf18("8","6","3","6","2","4","1") = "7"
    & skf18("8","6","3","6","2","5","1") = "7"
    & skf18("8","6","3","6","2","6","1") = "7"
    & skf18("8","6","3","6","2","7","1") = "7"
    & skf18("8","6","3","6","2","8","1") = "7"
    & skf18("8","6","3","6","2","9","1") = "8"
    & skf18("8","6","3","6","2","10","1") = "9"
    & skf18("8","6","3","6","3","1","1") = "7"
    & skf18("8","6","3","6","3","2","1") = "7"
    & skf18("8","6","3","6","3","3","1") = "7"
    & skf18("8","6","3","6","3","4","1") = "7"
    & skf18("8","6","3","6","3","5","1") = "7"
    & skf18("8","6","3","6","3","6","1") = "7"
    & skf18("8","6","3","6","3","7","1") = "7"
    & skf18("8","6","3","6","3","8","1") = "7"
    & skf18("8","6","3","6","3","9","1") = "8"
    & skf18("8","6","3","6","3","10","1") = "9"
    & skf18("8","6","3","6","4","1","1") = "7"
    & skf18("8","6","3","6","4","2","1") = "7"
    & skf18("8","6","3","6","4","3","1") = "7"
    & skf18("8","6","3","6","4","4","1") = "7"
    & skf18("8","6","3","6","4","5","1") = "7"
    & skf18("8","6","3","6","4","6","1") = "7"
    & skf18("8","6","3","6","4","7","1") = "7"
    & skf18("8","6","3","6","4","8","1") = "7"
    & skf18("8","6","3","6","4","9","1") = "8"
    & skf18("8","6","3","6","4","10","1") = "9"
    & skf18("8","6","3","6","5","1","1") = "7"
    & skf18("8","6","3","6","5","2","1") = "7"
    & skf18("8","6","3","6","5","3","1") = "7"
    & skf18("8","6","3","6","5","4","1") = "7"
    & skf18("8","6","3","6","5","5","1") = "7"
    & skf18("8","6","3","6","5","6","1") = "7"
    & skf18("8","6","3","6","5","7","1") = "7"
    & skf18("8","6","3","6","5","8","1") = "7"
    & skf18("8","6","3","6","5","9","1") = "8"
    & skf18("8","6","3","6","5","10","1") = "9"
    & skf18("8","6","3","6","6","1","1") = "7"
    & skf18("8","6","3","6","6","2","1") = "7"
    & skf18("8","6","3","6","6","3","1") = "7"
    & skf18("8","6","3","6","6","4","1") = "7"
    & skf18("8","6","3","6","6","5","1") = "7"
    & skf18("8","6","3","6","6","6","1") = "7"
    & skf18("8","6","3","6","6","7","1") = "7"
    & skf18("8","6","3","6","6","8","1") = "7"
    & skf18("8","6","3","6","6","9","1") = "8"
    & skf18("8","6","3","6","6","10","1") = "9"
    & skf18("8","6","3","6","7","1","1") = "7"
    & skf18("8","6","3","6","7","2","1") = "7"
    & skf18("8","6","3","6","7","3","1") = "7"
    & skf18("8","6","3","6","7","4","1") = "7"
    & skf18("8","6","3","6","7","5","1") = "7"
    & skf18("8","6","3","6","7","6","1") = "7"
    & skf18("8","6","3","6","7","7","1") = "7"
    & skf18("8","6","3","6","7","8","1") = "7"
    & skf18("8","6","3","6","7","9","1") = "8"
    & skf18("8","6","3","6","7","10","1") = "9"
    & skf18("8","6","3","6","8","1","1") = "7"
    & skf18("8","6","3","6","8","2","1") = "7"
    & skf18("8","6","3","6","8","3","1") = "7"
    & skf18("8","6","3","6","8","4","1") = "7"
    & skf18("8","6","3","6","8","5","1") = "7"
    & skf18("8","6","3","6","8","6","1") = "7"
    & skf18("8","6","3","6","8","7","1") = "7"
    & skf18("8","6","3","6","8","8","1") = "7"
    & skf18("8","6","3","6","8","9","1") = "8"
    & skf18("8","6","3","6","8","10","1") = "9"
    & skf18("8","6","3","6","9","1","1") = "8"
    & skf18("8","6","3","6","9","2","1") = "8"
    & skf18("8","6","3","6","9","3","1") = "8"
    & skf18("8","6","3","6","9","4","1") = "8"
    & skf18("8","6","3","6","9","5","1") = "8"
    & skf18("8","6","3","6","9","6","1") = "8"
    & skf18("8","6","3","6","9","7","1") = "8"
    & skf18("8","6","3","6","9","8","1") = "8"
    & skf18("8","6","3","6","9","9","1") = "8"
    & skf18("8","6","3","6","9","10","1") = "9"
    & skf18("8","6","3","6","10","1","1") = "9"
    & skf18("8","6","3","6","10","2","1") = "9"
    & skf18("8","6","3","6","10","3","1") = "9"
    & skf18("8","6","3","6","10","4","1") = "9"
    & skf18("8","6","3","6","10","5","1") = "9"
    & skf18("8","6","3","6","10","6","1") = "9"
    & skf18("8","6","3","6","10","7","1") = "9"
    & skf18("8","6","3","6","10","8","1") = "9"
    & skf18("8","6","3","6","10","9","1") = "9"
    & skf18("8","6","3","6","10","10","1") = "9"
    & skf18("8","6","3","7","1","1","1") = "7"
    & skf18("8","6","3","7","1","2","1") = "7"
    & skf18("8","6","3","7","1","3","1") = "7"
    & skf18("8","6","3","7","1","4","1") = "7"
    & skf18("8","6","3","7","1","5","1") = "7"
    & skf18("8","6","3","7","1","6","1") = "7"
    & skf18("8","6","3","7","1","7","1") = "7"
    & skf18("8","6","3","7","1","8","1") = "7"
    & skf18("8","6","3","7","1","9","1") = "8"
    & skf18("8","6","3","7","1","10","1") = "9"
    & skf18("8","6","3","7","2","1","1") = "7"
    & skf18("8","6","3","7","2","2","1") = "7"
    & skf18("8","6","3","7","2","3","1") = "7"
    & skf18("8","6","3","7","2","4","1") = "7"
    & skf18("8","6","3","7","2","5","1") = "7"
    & skf18("8","6","3","7","2","6","1") = "7"
    & skf18("8","6","3","7","2","7","1") = "7"
    & skf18("8","6","3","7","2","8","1") = "7"
    & skf18("8","6","3","7","2","9","1") = "8"
    & skf18("8","6","3","7","2","10","1") = "9"
    & skf18("8","6","3","7","3","1","1") = "7"
    & skf18("8","6","3","7","3","2","1") = "7"
    & skf18("8","6","3","7","3","3","1") = "7"
    & skf18("8","6","3","7","3","4","1") = "7"
    & skf18("8","6","3","7","3","5","1") = "7"
    & skf18("8","6","3","7","3","6","1") = "7"
    & skf18("8","6","3","7","3","7","1") = "7"
    & skf18("8","6","3","7","3","8","1") = "7"
    & skf18("8","6","3","7","3","9","1") = "8"
    & skf18("8","6","3","7","3","10","1") = "9"
    & skf18("8","6","3","7","4","1","1") = "7"
    & skf18("8","6","3","7","4","2","1") = "7"
    & skf18("8","6","3","7","4","3","1") = "7"
    & skf18("8","6","3","7","4","4","1") = "7"
    & skf18("8","6","3","7","4","5","1") = "7"
    & skf18("8","6","3","7","4","6","1") = "7"
    & skf18("8","6","3","7","4","7","1") = "7"
    & skf18("8","6","3","7","4","8","1") = "7"
    & skf18("8","6","3","7","4","9","1") = "8"
    & skf18("8","6","3","7","4","10","1") = "9"
    & skf18("8","6","3","7","5","1","1") = "7"
    & skf18("8","6","3","7","5","2","1") = "7"
    & skf18("8","6","3","7","5","3","1") = "7"
    & skf18("8","6","3","7","5","4","1") = "7"
    & skf18("8","6","3","7","5","5","1") = "7"
    & skf18("8","6","3","7","5","6","1") = "7"
    & skf18("8","6","3","7","5","7","1") = "7"
    & skf18("8","6","3","7","5","8","1") = "7"
    & skf18("8","6","3","7","5","9","1") = "8"
    & skf18("8","6","3","7","5","10","1") = "9"
    & skf18("8","6","3","7","6","1","1") = "7"
    & skf18("8","6","3","7","6","2","1") = "7"
    & skf18("8","6","3","7","6","3","1") = "7"
    & skf18("8","6","3","7","6","4","1") = "7"
    & skf18("8","6","3","7","6","5","1") = "7"
    & skf18("8","6","3","7","6","6","1") = "7"
    & skf18("8","6","3","7","6","7","1") = "7"
    & skf18("8","6","3","7","6","8","1") = "7"
    & skf18("8","6","3","7","6","9","1") = "8"
    & skf18("8","6","3","7","6","10","1") = "9"
    & skf18("8","6","3","7","7","1","1") = "7"
    & skf18("8","6","3","7","7","2","1") = "7"
    & skf18("8","6","3","7","7","3","1") = "7"
    & skf18("8","6","3","7","7","4","1") = "7"
    & skf18("8","6","3","7","7","5","1") = "7"
    & skf18("8","6","3","7","7","6","1") = "7"
    & skf18("8","6","3","7","7","7","1") = "7"
    & skf18("8","6","3","7","7","8","1") = "7"
    & skf18("8","6","3","7","7","9","1") = "8"
    & skf18("8","6","3","7","7","10","1") = "9"
    & skf18("8","6","3","7","8","1","1") = "7"
    & skf18("8","6","3","7","8","2","1") = "7"
    & skf18("8","6","3","7","8","3","1") = "7"
    & skf18("8","6","3","7","8","4","1") = "7"
    & skf18("8","6","3","7","8","5","1") = "7"
    & skf18("8","6","3","7","8","6","1") = "7"
    & skf18("8","6","3","7","8","7","1") = "7"
    & skf18("8","6","3","7","8","8","1") = "7"
    & skf18("8","6","3","7","8","9","1") = "8"
    & skf18("8","6","3","7","8","10","1") = "9"
    & skf18("8","6","3","7","9","1","1") = "8"
    & skf18("8","6","3","7","9","2","1") = "8"
    & skf18("8","6","3","7","9","3","1") = "8"
    & skf18("8","6","3","7","9","4","1") = "8"
    & skf18("8","6","3","7","9","5","1") = "8"
    & skf18("8","6","3","7","9","6","1") = "8"
    & skf18("8","6","3","7","9","7","1") = "8"
    & skf18("8","6","3","7","9","8","1") = "8"
    & skf18("8","6","3","7","9","9","1") = "8"
    & skf18("8","6","3","7","9","10","1") = "9"
    & skf18("8","6","3","7","10","1","1") = "9"
    & skf18("8","6","3","7","10","2","1") = "9"
    & skf18("8","6","3","7","10","3","1") = "9"
    & skf18("8","6","3","7","10","4","1") = "9"
    & skf18("8","6","3","7","10","5","1") = "9"
    & skf18("8","6","3","7","10","6","1") = "9"
    & skf18("8","6","3","7","10","7","1") = "9"
    & skf18("8","6","3","7","10","8","1") = "9"
    & skf18("8","6","3","7","10","9","1") = "9"
    & skf18("8","6","3","7","10","10","1") = "9"
    & skf18("8","6","3","8","1","1","1") = "7"
    & skf18("8","6","3","8","1","2","1") = "7"
    & skf18("8","6","3","8","1","3","1") = "7"
    & skf18("8","6","3","8","1","4","1") = "7"
    & skf18("8","6","3","8","1","5","1") = "7"
    & skf18("8","6","3","8","1","6","1") = "7"
    & skf18("8","6","3","8","1","7","1") = "7"
    & skf18("8","6","3","8","1","8","1") = "7"
    & skf18("8","6","3","8","1","9","1") = "8"
    & skf18("8","6","3","8","1","10","1") = "9"
    & skf18("8","6","3","8","2","1","1") = "7"
    & skf18("8","6","3","8","2","2","1") = "7"
    & skf18("8","6","3","8","2","3","1") = "7"
    & skf18("8","6","3","8","2","4","1") = "7"
    & skf18("8","6","3","8","2","5","1") = "7"
    & skf18("8","6","3","8","2","6","1") = "7"
    & skf18("8","6","3","8","2","7","1") = "7"
    & skf18("8","6","3","8","2","8","1") = "7"
    & skf18("8","6","3","8","2","9","1") = "8"
    & skf18("8","6","3","8","2","10","1") = "9"
    & skf18("8","6","3","8","3","1","1") = "7"
    & skf18("8","6","3","8","3","2","1") = "7"
    & skf18("8","6","3","8","3","3","1") = "7"
    & skf18("8","6","3","8","3","4","1") = "7"
    & skf18("8","6","3","8","3","5","1") = "7"
    & skf18("8","6","3","8","3","6","1") = "7"
    & skf18("8","6","3","8","3","7","1") = "7"
    & skf18("8","6","3","8","3","8","1") = "7"
    & skf18("8","6","3","8","3","9","1") = "8"
    & skf18("8","6","3","8","3","10","1") = "9"
    & skf18("8","6","3","8","4","1","1") = "7"
    & skf18("8","6","3","8","4","2","1") = "7"
    & skf18("8","6","3","8","4","3","1") = "7"
    & skf18("8","6","3","8","4","4","1") = "7"
    & skf18("8","6","3","8","4","5","1") = "7"
    & skf18("8","6","3","8","4","6","1") = "7"
    & skf18("8","6","3","8","4","7","1") = "7"
    & skf18("8","6","3","8","4","8","1") = "7"
    & skf18("8","6","3","8","4","9","1") = "8"
    & skf18("8","6","3","8","4","10","1") = "9"
    & skf18("8","6","3","8","5","1","1") = "7"
    & skf18("8","6","3","8","5","2","1") = "7"
    & skf18("8","6","3","8","5","3","1") = "7"
    & skf18("8","6","3","8","5","4","1") = "7"
    & skf18("8","6","3","8","5","5","1") = "7"
    & skf18("8","6","3","8","5","6","1") = "7"
    & skf18("8","6","3","8","5","7","1") = "7"
    & skf18("8","6","3","8","5","8","1") = "7"
    & skf18("8","6","3","8","5","9","1") = "8"
    & skf18("8","6","3","8","5","10","1") = "9"
    & skf18("8","6","3","8","6","1","1") = "7"
    & skf18("8","6","3","8","6","2","1") = "7"
    & skf18("8","6","3","8","6","3","1") = "7"
    & skf18("8","6","3","8","6","4","1") = "7"
    & skf18("8","6","3","8","6","5","1") = "7"
    & skf18("8","6","3","8","6","6","1") = "7"
    & skf18("8","6","3","8","6","7","1") = "7"
    & skf18("8","6","3","8","6","8","1") = "7"
    & skf18("8","6","3","8","6","9","1") = "8"
    & skf18("8","6","3","8","6","10","1") = "9"
    & skf18("8","6","3","8","7","1","1") = "7"
    & skf18("8","6","3","8","7","2","1") = "7"
    & skf18("8","6","3","8","7","3","1") = "7"
    & skf18("8","6","3","8","7","4","1") = "7"
    & skf18("8","6","3","8","7","5","1") = "7"
    & skf18("8","6","3","8","7","6","1") = "7"
    & skf18("8","6","3","8","7","7","1") = "7"
    & skf18("8","6","3","8","7","8","1") = "7"
    & skf18("8","6","3","8","7","9","1") = "8"
    & skf18("8","6","3","8","7","10","1") = "9"
    & skf18("8","6","3","8","8","1","1") = "7"
    & skf18("8","6","3","8","8","2","1") = "7"
    & skf18("8","6","3","8","8","3","1") = "7"
    & skf18("8","6","3","8","8","4","1") = "7"
    & skf18("8","6","3","8","8","5","1") = "7"
    & skf18("8","6","3","8","8","6","1") = "7"
    & skf18("8","6","3","8","8","7","1") = "7"
    & skf18("8","6","3","8","8","8","1") = "7"
    & skf18("8","6","3","8","8","9","1") = "8"
    & skf18("8","6","3","8","8","10","1") = "9"
    & skf18("8","6","3","8","9","1","1") = "8"
    & skf18("8","6","3","8","9","2","1") = "8"
    & skf18("8","6","3","8","9","3","1") = "8"
    & skf18("8","6","3","8","9","4","1") = "8"
    & skf18("8","6","3","8","9","5","1") = "8"
    & skf18("8","6","3","8","9","6","1") = "8"
    & skf18("8","6","3","8","9","7","1") = "8"
    & skf18("8","6","3","8","9","8","1") = "8"
    & skf18("8","6","3","8","9","9","1") = "8"
    & skf18("8","6","3","8","9","10","1") = "9"
    & skf18("8","6","3","8","10","1","1") = "9"
    & skf18("8","6","3","8","10","2","1") = "9"
    & skf18("8","6","3","8","10","3","1") = "9"
    & skf18("8","6","3","8","10","4","1") = "9"
    & skf18("8","6","3","8","10","5","1") = "9"
    & skf18("8","6","3","8","10","6","1") = "9"
    & skf18("8","6","3","8","10","7","1") = "9"
    & skf18("8","6","3","8","10","8","1") = "9"
    & skf18("8","6","3","8","10","9","1") = "9"
    & skf18("8","6","3","8","10","10","1") = "9"
    & skf18("8","6","3","9","1","1","1") = "8"
    & skf18("8","6","3","9","1","2","1") = "8"
    & skf18("8","6","3","9","1","3","1") = "8"
    & skf18("8","6","3","9","1","4","1") = "8"
    & skf18("8","6","3","9","1","5","1") = "8"
    & skf18("8","6","3","9","1","6","1") = "8"
    & skf18("8","6","3","9","1","7","1") = "8"
    & skf18("8","6","3","9","1","8","1") = "8"
    & skf18("8","6","3","9","1","9","1") = "8"
    & skf18("8","6","3","9","1","10","1") = "9"
    & skf18("8","6","3","9","2","1","1") = "8"
    & skf18("8","6","3","9","2","2","1") = "8"
    & skf18("8","6","3","9","2","3","1") = "8"
    & skf18("8","6","3","9","2","4","1") = "8"
    & skf18("8","6","3","9","2","5","1") = "8"
    & skf18("8","6","3","9","2","6","1") = "8"
    & skf18("8","6","3","9","2","7","1") = "8"
    & skf18("8","6","3","9","2","8","1") = "8"
    & skf18("8","6","3","9","2","9","1") = "8"
    & skf18("8","6","3","9","2","10","1") = "9"
    & skf18("8","6","3","9","3","1","1") = "8"
    & skf18("8","6","3","9","3","2","1") = "8"
    & skf18("8","6","3","9","3","3","1") = "8"
    & skf18("8","6","3","9","3","4","1") = "8"
    & skf18("8","6","3","9","3","5","1") = "8"
    & skf18("8","6","3","9","3","6","1") = "8"
    & skf18("8","6","3","9","3","7","1") = "8"
    & skf18("8","6","3","9","3","8","1") = "8"
    & skf18("8","6","3","9","3","9","1") = "8"
    & skf18("8","6","3","9","3","10","1") = "9"
    & skf18("8","6","3","9","4","1","1") = "8"
    & skf18("8","6","3","9","4","2","1") = "8"
    & skf18("8","6","3","9","4","3","1") = "8"
    & skf18("8","6","3","9","4","4","1") = "8"
    & skf18("8","6","3","9","4","5","1") = "8"
    & skf18("8","6","3","9","4","6","1") = "8"
    & skf18("8","6","3","9","4","7","1") = "8"
    & skf18("8","6","3","9","4","8","1") = "8"
    & skf18("8","6","3","9","4","9","1") = "8"
    & skf18("8","6","3","9","4","10","1") = "9"
    & skf18("8","6","3","9","5","1","1") = "8"
    & skf18("8","6","3","9","5","2","1") = "8"
    & skf18("8","6","3","9","5","3","1") = "8"
    & skf18("8","6","3","9","5","4","1") = "8"
    & skf18("8","6","3","9","5","5","1") = "8"
    & skf18("8","6","3","9","5","6","1") = "8"
    & skf18("8","6","3","9","5","7","1") = "8"
    & skf18("8","6","3","9","5","8","1") = "8"
    & skf18("8","6","3","9","5","9","1") = "8"
    & skf18("8","6","3","9","5","10","1") = "9"
    & skf18("8","6","3","9","6","1","1") = "8"
    & skf18("8","6","3","9","6","2","1") = "8"
    & skf18("8","6","3","9","6","3","1") = "8"
    & skf18("8","6","3","9","6","4","1") = "8"
    & skf18("8","6","3","9","6","5","1") = "8"
    & skf18("8","6","3","9","6","6","1") = "8"
    & skf18("8","6","3","9","6","7","1") = "8"
    & skf18("8","6","3","9","6","8","1") = "8"
    & skf18("8","6","3","9","6","9","1") = "8"
    & skf18("8","6","3","9","6","10","1") = "9"
    & skf18("8","6","3","9","7","1","1") = "8"
    & skf18("8","6","3","9","7","2","1") = "8"
    & skf18("8","6","3","9","7","3","1") = "8"
    & skf18("8","6","3","9","7","4","1") = "8"
    & skf18("8","6","3","9","7","5","1") = "8"
    & skf18("8","6","3","9","7","6","1") = "8"
    & skf18("8","6","3","9","7","7","1") = "8"
    & skf18("8","6","3","9","7","8","1") = "8"
    & skf18("8","6","3","9","7","9","1") = "8"
    & skf18("8","6","3","9","7","10","1") = "9"
    & skf18("8","6","3","9","8","1","1") = "8"
    & skf18("8","6","3","9","8","2","1") = "8"
    & skf18("8","6","3","9","8","3","1") = "8"
    & skf18("8","6","3","9","8","4","1") = "8"
    & skf18("8","6","3","9","8","5","1") = "8"
    & skf18("8","6","3","9","8","6","1") = "8"
    & skf18("8","6","3","9","8","7","1") = "8"
    & skf18("8","6","3","9","8","8","1") = "8"
    & skf18("8","6","3","9","8","9","1") = "8"
    & skf18("8","6","3","9","8","10","1") = "9"
    & skf18("8","6","3","9","9","1","1") = "8"
    & skf18("8","6","3","9","9","2","1") = "8"
    & skf18("8","6","3","9","9","3","1") = "8"
    & skf18("8","6","3","9","9","4","1") = "8"
    & skf18("8","6","3","9","9","5","1") = "8"
    & skf18("8","6","3","9","9","6","1") = "8"
    & skf18("8","6","3","9","9","7","1") = "8"
    & skf18("8","6","3","9","9","8","1") = "8"
    & skf18("8","6","3","9","9","9","1") = "8"
    & skf18("8","6","3","9","9","10","1") = "9"
    & skf18("8","6","3","9","10","1","1") = "9"
    & skf18("8","6","3","9","10","2","1") = "9"
    & skf18("8","6","3","9","10","3","1") = "9"
    & skf18("8","6","3","9","10","4","1") = "9"
    & skf18("8","6","3","9","10","5","1") = "9"
    & skf18("8","6","3","9","10","6","1") = "9"
    & skf18("8","6","3","9","10","7","1") = "9"
    & skf18("8","6","3","9","10","8","1") = "9"
    & skf18("8","6","3","9","10","9","1") = "9"
    & skf18("8","6","3","9","10","10","1") = "9"
    & skf18("8","6","3","10","1","1","1") = "9"
    & skf18("8","6","3","10","1","2","1") = "9"
    & skf18("8","6","3","10","1","3","1") = "9"
    & skf18("8","6","3","10","1","4","1") = "9"
    & skf18("8","6","3","10","1","5","1") = "9"
    & skf18("8","6","3","10","1","6","1") = "9"
    & skf18("8","6","3","10","1","7","1") = "9"
    & skf18("8","6","3","10","1","8","1") = "9"
    & skf18("8","6","3","10","1","9","1") = "9"
    & skf18("8","6","3","10","1","10","1") = "9"
    & skf18("8","6","3","10","2","1","1") = "9"
    & skf18("8","6","3","10","2","2","1") = "9"
    & skf18("8","6","3","10","2","3","1") = "9"
    & skf18("8","6","3","10","2","4","1") = "9"
    & skf18("8","6","3","10","2","5","1") = "9"
    & skf18("8","6","3","10","2","6","1") = "9"
    & skf18("8","6","3","10","2","7","1") = "9"
    & skf18("8","6","3","10","2","8","1") = "9"
    & skf18("8","6","3","10","2","9","1") = "9"
    & skf18("8","6","3","10","2","10","1") = "9"
    & skf18("8","6","3","10","3","1","1") = "9"
    & skf18("8","6","3","10","3","2","1") = "9"
    & skf18("8","6","3","10","3","3","1") = "9"
    & skf18("8","6","3","10","3","4","1") = "9"
    & skf18("8","6","3","10","3","5","1") = "9"
    & skf18("8","6","3","10","3","6","1") = "9"
    & skf18("8","6","3","10","3","7","1") = "9"
    & skf18("8","6","3","10","3","8","1") = "9"
    & skf18("8","6","3","10","3","9","1") = "9"
    & skf18("8","6","3","10","3","10","1") = "9"
    & skf18("8","6","3","10","4","1","1") = "9"
    & skf18("8","6","3","10","4","2","1") = "9"
    & skf18("8","6","3","10","4","3","1") = "9"
    & skf18("8","6","3","10","4","4","1") = "9"
    & skf18("8","6","3","10","4","5","1") = "9"
    & skf18("8","6","3","10","4","6","1") = "9"
    & skf18("8","6","3","10","4","7","1") = "9"
    & skf18("8","6","3","10","4","8","1") = "9"
    & skf18("8","6","3","10","4","9","1") = "9"
    & skf18("8","6","3","10","4","10","1") = "9"
    & skf18("8","6","3","10","5","1","1") = "9"
    & skf18("8","6","3","10","5","2","1") = "9"
    & skf18("8","6","3","10","5","3","1") = "9"
    & skf18("8","6","3","10","5","4","1") = "9"
    & skf18("8","6","3","10","5","5","1") = "9"
    & skf18("8","6","3","10","5","6","1") = "9"
    & skf18("8","6","3","10","5","7","1") = "9"
    & skf18("8","6","3","10","5","8","1") = "9"
    & skf18("8","6","3","10","5","9","1") = "9"
    & skf18("8","6","3","10","5","10","1") = "9"
    & skf18("8","6","3","10","6","1","1") = "9"
    & skf18("8","6","3","10","6","2","1") = "9"
    & skf18("8","6","3","10","6","3","1") = "9"
    & skf18("8","6","3","10","6","4","1") = "9"
    & skf18("8","6","3","10","6","5","1") = "9"
    & skf18("8","6","3","10","6","6","1") = "9"
    & skf18("8","6","3","10","6","7","1") = "9"
    & skf18("8","6","3","10","6","8","1") = "9"
    & skf18("8","6","3","10","6","9","1") = "9"
    & skf18("8","6","3","10","6","10","1") = "9"
    & skf18("8","6","3","10","7","1","1") = "9"
    & skf18("8","6","3","10","7","2","1") = "9"
    & skf18("8","6","3","10","7","3","1") = "9"
    & skf18("8","6","3","10","7","4","1") = "9"
    & skf18("8","6","3","10","7","5","1") = "9"
    & skf18("8","6","3","10","7","6","1") = "9"
    & skf18("8","6","3","10","7","7","1") = "9"
    & skf18("8","6","3","10","7","8","1") = "9"
    & skf18("8","6","3","10","7","9","1") = "9"
    & skf18("8","6","3","10","7","10","1") = "9"
    & skf18("8","6","3","10","8","1","1") = "9"
    & skf18("8","6","3","10","8","2","1") = "9"
    & skf18("8","6","3","10","8","3","1") = "9"
    & skf18("8","6","3","10","8","4","1") = "9"
    & skf18("8","6","3","10","8","5","1") = "9"
    & skf18("8","6","3","10","8","6","1") = "9"
    & skf18("8","6","3","10","8","7","1") = "9"
    & skf18("8","6","3","10","8","8","1") = "9"
    & skf18("8","6","3","10","8","9","1") = "9"
    & skf18("8","6","3","10","8","10","1") = "9"
    & skf18("8","6","3","10","9","1","1") = "9"
    & skf18("8","6","3","10","9","2","1") = "9"
    & skf18("8","6","3","10","9","3","1") = "9"
    & skf18("8","6","3","10","9","4","1") = "9"
    & skf18("8","6","3","10","9","5","1") = "9"
    & skf18("8","6","3","10","9","6","1") = "9"
    & skf18("8","6","3","10","9","7","1") = "9"
    & skf18("8","6","3","10","9","8","1") = "9"
    & skf18("8","6","3","10","9","9","1") = "9"
    & skf18("8","6","3","10","9","10","1") = "9"
    & skf18("8","6","3","10","10","1","1") = "9"
    & skf18("8","6","3","10","10","2","1") = "9"
    & skf18("8","6","3","10","10","3","1") = "9"
    & skf18("8","6","3","10","10","4","1") = "9"
    & skf18("8","6","3","10","10","5","1") = "9"
    & skf18("8","6","3","10","10","6","1") = "9"
    & skf18("8","6","3","10","10","7","1") = "9"
    & skf18("8","6","3","10","10","8","1") = "9"
    & skf18("8","6","3","10","10","9","1") = "9"
    & skf18("8","6","3","10","10","10","1") = "9"
    & skf18("8","6","4","1","1","1","1") = "7"
    & skf18("8","6","4","1","1","2","1") = "7"
    & skf18("8","6","4","1","1","3","1") = "7"
    & skf18("8","6","4","1","1","4","1") = "7"
    & skf18("8","6","4","1","1","5","1") = "7"
    & skf18("8","6","4","1","1","6","1") = "7"
    & skf18("8","6","4","1","1","7","1") = "7"
    & skf18("8","6","4","1","1","8","1") = "7"
    & skf18("8","6","4","1","1","9","1") = "8"
    & skf18("8","6","4","1","1","10","1") = "9"
    & skf18("8","6","4","1","2","1","1") = "7"
    & skf18("8","6","4","1","2","2","1") = "7"
    & skf18("8","6","4","1","2","3","1") = "7"
    & skf18("8","6","4","1","2","4","1") = "7"
    & skf18("8","6","4","1","2","5","1") = "7"
    & skf18("8","6","4","1","2","6","1") = "7"
    & skf18("8","6","4","1","2","7","1") = "7"
    & skf18("8","6","4","1","2","8","1") = "7"
    & skf18("8","6","4","1","2","9","1") = "8"
    & skf18("8","6","4","1","2","10","1") = "9"
    & skf18("8","6","4","1","3","1","1") = "7"
    & skf18("8","6","4","1","3","2","1") = "7"
    & skf18("8","6","4","1","3","3","1") = "7"
    & skf18("8","6","4","1","3","4","1") = "7"
    & skf18("8","6","4","1","3","5","1") = "7"
    & skf18("8","6","4","1","3","6","1") = "7"
    & skf18("8","6","4","1","3","7","1") = "7"
    & skf18("8","6","4","1","3","8","1") = "7"
    & skf18("8","6","4","1","3","9","1") = "8"
    & skf18("8","6","4","1","3","10","1") = "9"
    & skf18("8","6","4","1","4","1","1") = "7"
    & skf18("8","6","4","1","4","2","1") = "7"
    & skf18("8","6","4","1","4","3","1") = "7"
    & skf18("8","6","4","1","4","4","1") = "7"
    & skf18("8","6","4","1","4","5","1") = "7"
    & skf18("8","6","4","1","4","6","1") = "7"
    & skf18("8","6","4","1","4","7","1") = "7"
    & skf18("8","6","4","1","4","8","1") = "7"
    & skf18("8","6","4","1","4","9","1") = "8"
    & skf18("8","6","4","1","4","10","1") = "9"
    & skf18("8","6","4","1","5","1","1") = "7"
    & skf18("8","6","4","1","5","2","1") = "7"
    & skf18("8","6","4","1","5","3","1") = "7"
    & skf18("8","6","4","1","5","4","1") = "7"
    & skf18("8","6","4","1","5","5","1") = "7"
    & skf18("8","6","4","1","5","6","1") = "7"
    & skf18("8","6","4","1","5","7","1") = "7"
    & skf18("8","6","4","1","5","8","1") = "7"
    & skf18("8","6","4","1","5","9","1") = "8"
    & skf18("8","6","4","1","5","10","1") = "9"
    & skf18("8","6","4","1","6","1","1") = "7"
    & skf18("8","6","4","1","6","2","1") = "7"
    & skf18("8","6","4","1","6","3","1") = "7"
    & skf18("8","6","4","1","6","4","1") = "7"
    & skf18("8","6","4","1","6","5","1") = "7"
    & skf18("8","6","4","1","6","6","1") = "7"
    & skf18("8","6","4","1","6","7","1") = "7"
    & skf18("8","6","4","1","6","8","1") = "7"
    & skf18("8","6","4","1","6","9","1") = "8"
    & skf18("8","6","4","1","6","10","1") = "9"
    & skf18("8","6","4","1","7","1","1") = "7"
    & skf18("8","6","4","1","7","2","1") = "7"
    & skf18("8","6","4","1","7","3","1") = "7"
    & skf18("8","6","4","1","7","4","1") = "7"
    & skf18("8","6","4","1","7","5","1") = "7"
    & skf18("8","6","4","1","7","6","1") = "7"
    & skf18("8","6","4","1","7","7","1") = "7"
    & skf18("8","6","4","1","7","8","1") = "7"
    & skf18("8","6","4","1","7","9","1") = "8"
    & skf18("8","6","4","1","7","10","1") = "9"
    & skf18("8","6","4","1","8","1","1") = "7"
    & skf18("8","6","4","1","8","2","1") = "7"
    & skf18("8","6","4","1","8","3","1") = "7"
    & skf18("8","6","4","1","8","4","1") = "7"
    & skf18("8","6","4","1","8","5","1") = "7"
    & skf18("8","6","4","1","8","6","1") = "7"
    & skf18("8","6","4","1","8","7","1") = "7"
    & skf18("8","6","4","1","8","8","1") = "7"
    & skf18("8","6","4","1","8","9","1") = "8"
    & skf18("8","6","4","1","8","10","1") = "9"
    & skf18("8","6","4","1","9","1","1") = "8"
    & skf18("8","6","4","1","9","2","1") = "8"
    & skf18("8","6","4","1","9","3","1") = "8"
    & skf18("8","6","4","1","9","4","1") = "8"
    & skf18("8","6","4","1","9","5","1") = "8"
    & skf18("8","6","4","1","9","6","1") = "8"
    & skf18("8","6","4","1","9","7","1") = "8"
    & skf18("8","6","4","1","9","8","1") = "8"
    & skf18("8","6","4","1","9","9","1") = "8"
    & skf18("8","6","4","1","9","10","1") = "9"
    & skf18("8","6","4","1","10","1","1") = "9"
    & skf18("8","6","4","1","10","2","1") = "9"
    & skf18("8","6","4","1","10","3","1") = "9"
    & skf18("8","6","4","1","10","4","1") = "9"
    & skf18("8","6","4","1","10","5","1") = "9"
    & skf18("8","6","4","1","10","6","1") = "9"
    & skf18("8","6","4","1","10","7","1") = "9"
    & skf18("8","6","4","1","10","8","1") = "9"
    & skf18("8","6","4","1","10","9","1") = "9"
    & skf18("8","6","4","1","10","10","1") = "9"
    & skf18("8","6","4","2","1","1","1") = "7"
    & skf18("8","6","4","2","1","2","1") = "7"
    & skf18("8","6","4","2","1","3","1") = "7"
    & skf18("8","6","4","2","1","4","1") = "7"
    & skf18("8","6","4","2","1","5","1") = "7"
    & skf18("8","6","4","2","1","6","1") = "7"
    & skf18("8","6","4","2","1","7","1") = "7"
    & skf18("8","6","4","2","1","8","1") = "7"
    & skf18("8","6","4","2","1","9","1") = "8"
    & skf18("8","6","4","2","1","10","1") = "9"
    & skf18("8","6","4","2","2","1","1") = "7"
    & skf18("8","6","4","2","2","2","1") = "7"
    & skf18("8","6","4","2","2","3","1") = "7"
    & skf18("8","6","4","2","2","4","1") = "7"
    & skf18("8","6","4","2","2","5","1") = "7"
    & skf18("8","6","4","2","2","6","1") = "7"
    & skf18("8","6","4","2","2","7","1") = "7"
    & skf18("8","6","4","2","2","8","1") = "7"
    & skf18("8","6","4","2","2","9","1") = "8"
    & skf18("8","6","4","2","2","10","1") = "9"
    & skf18("8","6","4","2","3","1","1") = "7"
    & skf18("8","6","4","2","3","2","1") = "7"
    & skf18("8","6","4","2","3","3","1") = "7"
    & skf18("8","6","4","2","3","4","1") = "7"
    & skf18("8","6","4","2","3","5","1") = "7"
    & skf18("8","6","4","2","3","6","1") = "7"
    & skf18("8","6","4","2","3","7","1") = "7"
    & skf18("8","6","4","2","3","8","1") = "7"
    & skf18("8","6","4","2","3","9","1") = "8"
    & skf18("8","6","4","2","3","10","1") = "9"
    & skf18("8","6","4","2","4","1","1") = "7"
    & skf18("8","6","4","2","4","2","1") = "7"
    & skf18("8","6","4","2","4","3","1") = "7"
    & skf18("8","6","4","2","4","4","1") = "7"
    & skf18("8","6","4","2","4","5","1") = "7"
    & skf18("8","6","4","2","4","6","1") = "7"
    & skf18("8","6","4","2","4","7","1") = "7"
    & skf18("8","6","4","2","4","8","1") = "7"
    & skf18("8","6","4","2","4","9","1") = "8"
    & skf18("8","6","4","2","4","10","1") = "9"
    & skf18("8","6","4","2","5","1","1") = "7"
    & skf18("8","6","4","2","5","2","1") = "7"
    & skf18("8","6","4","2","5","3","1") = "7"
    & skf18("8","6","4","2","5","4","1") = "7"
    & skf18("8","6","4","2","5","5","1") = "7"
    & skf18("8","6","4","2","5","6","1") = "7"
    & skf18("8","6","4","2","5","7","1") = "7"
    & skf18("8","6","4","2","5","8","1") = "7"
    & skf18("8","6","4","2","5","9","1") = "8"
    & skf18("8","6","4","2","5","10","1") = "9"
    & skf18("8","6","4","2","6","1","1") = "7"
    & skf18("8","6","4","2","6","2","1") = "7"
    & skf18("8","6","4","2","6","3","1") = "7"
    & skf18("8","6","4","2","6","4","1") = "7"
    & skf18("8","6","4","2","6","5","1") = "7"
    & skf18("8","6","4","2","6","6","1") = "7"
    & skf18("8","6","4","2","6","7","1") = "7"
    & skf18("8","6","4","2","6","8","1") = "7"
    & skf18("8","6","4","2","6","9","1") = "8"
    & skf18("8","6","4","2","6","10","1") = "9"
    & skf18("8","6","4","2","7","1","1") = "7"
    & skf18("8","6","4","2","7","2","1") = "7"
    & skf18("8","6","4","2","7","3","1") = "7"
    & skf18("8","6","4","2","7","4","1") = "7"
    & skf18("8","6","4","2","7","5","1") = "7"
    & skf18("8","6","4","2","7","6","1") = "7"
    & skf18("8","6","4","2","7","7","1") = "7"
    & skf18("8","6","4","2","7","8","1") = "7"
    & skf18("8","6","4","2","7","9","1") = "8"
    & skf18("8","6","4","2","7","10","1") = "9"
    & skf18("8","6","4","2","8","1","1") = "7"
    & skf18("8","6","4","2","8","2","1") = "7"
    & skf18("8","6","4","2","8","3","1") = "7"
    & skf18("8","6","4","2","8","4","1") = "7"
    & skf18("8","6","4","2","8","5","1") = "7"
    & skf18("8","6","4","2","8","6","1") = "7"
    & skf18("8","6","4","2","8","7","1") = "7"
    & skf18("8","6","4","2","8","8","1") = "7"
    & skf18("8","6","4","2","8","9","1") = "8"
    & skf18("8","6","4","2","8","10","1") = "9"
    & skf18("8","6","4","2","9","1","1") = "8"
    & skf18("8","6","4","2","9","2","1") = "8"
    & skf18("8","6","4","2","9","3","1") = "8"
    & skf18("8","6","4","2","9","4","1") = "8"
    & skf18("8","6","4","2","9","5","1") = "8"
    & skf18("8","6","4","2","9","6","1") = "8"
    & skf18("8","6","4","2","9","7","1") = "8"
    & skf18("8","6","4","2","9","8","1") = "8"
    & skf18("8","6","4","2","9","9","1") = "8"
    & skf18("8","6","4","2","9","10","1") = "9"
    & skf18("8","6","4","2","10","1","1") = "9"
    & skf18("8","6","4","2","10","2","1") = "9"
    & skf18("8","6","4","2","10","3","1") = "9"
    & skf18("8","6","4","2","10","4","1") = "9"
    & skf18("8","6","4","2","10","5","1") = "9"
    & skf18("8","6","4","2","10","6","1") = "9"
    & skf18("8","6","4","2","10","7","1") = "9"
    & skf18("8","6","4","2","10","8","1") = "9"
    & skf18("8","6","4","2","10","9","1") = "9"
    & skf18("8","6","4","2","10","10","1") = "9"
    & skf18("8","6","4","3","1","1","1") = "7"
    & skf18("8","6","4","3","1","2","1") = "7"
    & skf18("8","6","4","3","1","3","1") = "7"
    & skf18("8","6","4","3","1","4","1") = "7"
    & skf18("8","6","4","3","1","5","1") = "7"
    & skf18("8","6","4","3","1","6","1") = "7"
    & skf18("8","6","4","3","1","7","1") = "7"
    & skf18("8","6","4","3","1","8","1") = "7"
    & skf18("8","6","4","3","1","9","1") = "8"
    & skf18("8","6","4","3","1","10","1") = "9"
    & skf18("8","6","4","3","2","1","1") = "7"
    & skf18("8","6","4","3","2","2","1") = "7"
    & skf18("8","6","4","3","2","3","1") = "7"
    & skf18("8","6","4","3","2","4","1") = "7"
    & skf18("8","6","4","3","2","5","1") = "7"
    & skf18("8","6","4","3","2","6","1") = "7"
    & skf18("8","6","4","3","2","7","1") = "7"
    & skf18("8","6","4","3","2","8","1") = "7"
    & skf18("8","6","4","3","2","9","1") = "8"
    & skf18("8","6","4","3","2","10","1") = "9"
    & skf18("8","6","4","3","3","1","1") = "7"
    & skf18("8","6","4","3","3","2","1") = "7"
    & skf18("8","6","4","3","3","3","1") = "7"
    & skf18("8","6","4","3","3","4","1") = "7"
    & skf18("8","6","4","3","3","5","1") = "7"
    & skf18("8","6","4","3","3","6","1") = "7"
    & skf18("8","6","4","3","3","7","1") = "7"
    & skf18("8","6","4","3","3","8","1") = "7"
    & skf18("8","6","4","3","3","9","1") = "8"
    & skf18("8","6","4","3","3","10","1") = "9"
    & skf18("8","6","4","3","4","1","1") = "7"
    & skf18("8","6","4","3","4","2","1") = "7"
    & skf18("8","6","4","3","4","3","1") = "7"
    & skf18("8","6","4","3","4","4","1") = "7"
    & skf18("8","6","4","3","4","5","1") = "7"
    & skf18("8","6","4","3","4","6","1") = "7"
    & skf18("8","6","4","3","4","7","1") = "7"
    & skf18("8","6","4","3","4","8","1") = "7"
    & skf18("8","6","4","3","4","9","1") = "8"
    & skf18("8","6","4","3","4","10","1") = "9"
    & skf18("8","6","4","3","5","1","1") = "7"
    & skf18("8","6","4","3","5","2","1") = "7"
    & skf18("8","6","4","3","5","3","1") = "7"
    & skf18("8","6","4","3","5","4","1") = "7"
    & skf18("8","6","4","3","5","5","1") = "7"
    & skf18("8","6","4","3","5","6","1") = "7"
    & skf18("8","6","4","3","5","7","1") = "7"
    & skf18("8","6","4","3","5","8","1") = "7"
    & skf18("8","6","4","3","5","9","1") = "8"
    & skf18("8","6","4","3","5","10","1") = "9"
    & skf18("8","6","4","3","6","1","1") = "7"
    & skf18("8","6","4","3","6","2","1") = "7"
    & skf18("8","6","4","3","6","3","1") = "7"
    & skf18("8","6","4","3","6","4","1") = "7"
    & skf18("8","6","4","3","6","5","1") = "7"
    & skf18("8","6","4","3","6","6","1") = "7"
    & skf18("8","6","4","3","6","7","1") = "7"
    & skf18("8","6","4","3","6","8","1") = "7"
    & skf18("8","6","4","3","6","9","1") = "8"
    & skf18("8","6","4","3","6","10","1") = "9"
    & skf18("8","6","4","3","7","1","1") = "7"
    & skf18("8","6","4","3","7","2","1") = "7"
    & skf18("8","6","4","3","7","3","1") = "7"
    & skf18("8","6","4","3","7","4","1") = "7"
    & skf18("8","6","4","3","7","5","1") = "7"
    & skf18("8","6","4","3","7","6","1") = "7"
    & skf18("8","6","4","3","7","7","1") = "7"
    & skf18("8","6","4","3","7","8","1") = "7"
    & skf18("8","6","4","3","7","9","1") = "8"
    & skf18("8","6","4","3","7","10","1") = "9"
    & skf18("8","6","4","3","8","1","1") = "7"
    & skf18("8","6","4","3","8","2","1") = "7"
    & skf18("8","6","4","3","8","3","1") = "7"
    & skf18("8","6","4","3","8","4","1") = "7"
    & skf18("8","6","4","3","8","5","1") = "7"
    & skf18("8","6","4","3","8","6","1") = "7"
    & skf18("8","6","4","3","8","7","1") = "7"
    & skf18("8","6","4","3","8","8","1") = "7"
    & skf18("8","6","4","3","8","9","1") = "8"
    & skf18("8","6","4","3","8","10","1") = "9"
    & skf18("8","6","4","3","9","1","1") = "8"
    & skf18("8","6","4","3","9","2","1") = "8"
    & skf18("8","6","4","3","9","3","1") = "8"
    & skf18("8","6","4","3","9","4","1") = "8"
    & skf18("8","6","4","3","9","5","1") = "8"
    & skf18("8","6","4","3","9","6","1") = "8"
    & skf18("8","6","4","3","9","7","1") = "8"
    & skf18("8","6","4","3","9","8","1") = "8"
    & skf18("8","6","4","3","9","9","1") = "8"
    & skf18("8","6","4","3","9","10","1") = "9"
    & skf18("8","6","4","3","10","1","1") = "9"
    & skf18("8","6","4","3","10","2","1") = "9"
    & skf18("8","6","4","3","10","3","1") = "9"
    & skf18("8","6","4","3","10","4","1") = "9"
    & skf18("8","6","4","3","10","5","1") = "9"
    & skf18("8","6","4","3","10","6","1") = "9"
    & skf18("8","6","4","3","10","7","1") = "9"
    & skf18("8","6","4","3","10","8","1") = "9"
    & skf18("8","6","4","3","10","9","1") = "9"
    & skf18("8","6","4","3","10","10","1") = "9"
    & skf18("8","6","4","4","1","1","1") = "7"
    & skf18("8","6","4","4","1","2","1") = "7"
    & skf18("8","6","4","4","1","3","1") = "7"
    & skf18("8","6","4","4","1","4","1") = "7"
    & skf18("8","6","4","4","1","5","1") = "7"
    & skf18("8","6","4","4","1","6","1") = "7"
    & skf18("8","6","4","4","1","7","1") = "7"
    & skf18("8","6","4","4","1","8","1") = "7"
    & skf18("8","6","4","4","1","9","1") = "8"
    & skf18("8","6","4","4","1","10","1") = "9"
    & skf18("8","6","4","4","2","1","1") = "7"
    & skf18("8","6","4","4","2","2","1") = "7"
    & skf18("8","6","4","4","2","3","1") = "7"
    & skf18("8","6","4","4","2","4","1") = "7"
    & skf18("8","6","4","4","2","5","1") = "7"
    & skf18("8","6","4","4","2","6","1") = "7"
    & skf18("8","6","4","4","2","7","1") = "7"
    & skf18("8","6","4","4","2","8","1") = "7"
    & skf18("8","6","4","4","2","9","1") = "8"
    & skf18("8","6","4","4","2","10","1") = "9"
    & skf18("8","6","4","4","3","1","1") = "7"
    & skf18("8","6","4","4","3","2","1") = "7"
    & skf18("8","6","4","4","3","3","1") = "7"
    & skf18("8","6","4","4","3","4","1") = "7"
    & skf18("8","6","4","4","3","5","1") = "7"
    & skf18("8","6","4","4","3","6","1") = "7"
    & skf18("8","6","4","4","3","7","1") = "7"
    & skf18("8","6","4","4","3","8","1") = "7"
    & skf18("8","6","4","4","3","9","1") = "8"
    & skf18("8","6","4","4","3","10","1") = "9"
    & skf18("8","6","4","4","4","1","1") = "7"
    & skf18("8","6","4","4","4","2","1") = "7"
    & skf18("8","6","4","4","4","3","1") = "7"
    & skf18("8","6","4","4","4","4","1") = "7"
    & skf18("8","6","4","4","4","5","1") = "7"
    & skf18("8","6","4","4","4","6","1") = "7"
    & skf18("8","6","4","4","4","7","1") = "7"
    & skf18("8","6","4","4","4","8","1") = "7"
    & skf18("8","6","4","4","4","9","1") = "8"
    & skf18("8","6","4","4","4","10","1") = "9"
    & skf18("8","6","4","4","5","1","1") = "7"
    & skf18("8","6","4","4","5","2","1") = "7"
    & skf18("8","6","4","4","5","3","1") = "7"
    & skf18("8","6","4","4","5","4","1") = "7"
    & skf18("8","6","4","4","5","5","1") = "7"
    & skf18("8","6","4","4","5","6","1") = "7"
    & skf18("8","6","4","4","5","7","1") = "7"
    & skf18("8","6","4","4","5","8","1") = "7"
    & skf18("8","6","4","4","5","9","1") = "8"
    & skf18("8","6","4","4","5","10","1") = "9"
    & skf18("8","6","4","4","6","1","1") = "7"
    & skf18("8","6","4","4","6","2","1") = "7"
    & skf18("8","6","4","4","6","3","1") = "7"
    & skf18("8","6","4","4","6","4","1") = "7"
    & skf18("8","6","4","4","6","5","1") = "7"
    & skf18("8","6","4","4","6","6","1") = "7"
    & skf18("8","6","4","4","6","7","1") = "7"
    & skf18("8","6","4","4","6","8","1") = "7"
    & skf18("8","6","4","4","6","9","1") = "8"
    & skf18("8","6","4","4","6","10","1") = "9"
    & skf18("8","6","4","4","7","1","1") = "7"
    & skf18("8","6","4","4","7","2","1") = "7"
    & skf18("8","6","4","4","7","3","1") = "7"
    & skf18("8","6","4","4","7","4","1") = "7"
    & skf18("8","6","4","4","7","5","1") = "7"
    & skf18("8","6","4","4","7","6","1") = "7"
    & skf18("8","6","4","4","7","7","1") = "7"
    & skf18("8","6","4","4","7","8","1") = "7"
    & skf18("8","6","4","4","7","9","1") = "8"
    & skf18("8","6","4","4","7","10","1") = "9"
    & skf18("8","6","4","4","8","1","1") = "7"
    & skf18("8","6","4","4","8","2","1") = "7"
    & skf18("8","6","4","4","8","3","1") = "7"
    & skf18("8","6","4","4","8","4","1") = "7"
    & skf18("8","6","4","4","8","5","1") = "7"
    & skf18("8","6","4","4","8","6","1") = "7"
    & skf18("8","6","4","4","8","7","1") = "7"
    & skf18("8","6","4","4","8","8","1") = "7"
    & skf18("8","6","4","4","8","9","1") = "8"
    & skf18("8","6","4","4","8","10","1") = "9"
    & skf18("8","6","4","4","9","1","1") = "8"
    & skf18("8","6","4","4","9","2","1") = "8"
    & skf18("8","6","4","4","9","3","1") = "8"
    & skf18("8","6","4","4","9","4","1") = "8"
    & skf18("8","6","4","4","9","5","1") = "8"
    & skf18("8","6","4","4","9","6","1") = "8"
    & skf18("8","6","4","4","9","7","1") = "8"
    & skf18("8","6","4","4","9","8","1") = "8"
    & skf18("8","6","4","4","9","9","1") = "8"
    & skf18("8","6","4","4","9","10","1") = "9"
    & skf18("8","6","4","4","10","1","1") = "9"
    & skf18("8","6","4","4","10","2","1") = "9"
    & skf18("8","6","4","4","10","3","1") = "9"
    & skf18("8","6","4","4","10","4","1") = "9"
    & skf18("8","6","4","4","10","5","1") = "9"
    & skf18("8","6","4","4","10","6","1") = "9"
    & skf18("8","6","4","4","10","7","1") = "9"
    & skf18("8","6","4","4","10","8","1") = "9"
    & skf18("8","6","4","4","10","9","1") = "9"
    & skf18("8","6","4","4","10","10","1") = "9"
    & skf18("8","6","4","5","1","1","1") = "7"
    & skf18("8","6","4","5","1","2","1") = "7"
    & skf18("8","6","4","5","1","3","1") = "7"
    & skf18("8","6","4","5","1","4","1") = "7"
    & skf18("8","6","4","5","1","5","1") = "7"
    & skf18("8","6","4","5","1","6","1") = "7"
    & skf18("8","6","4","5","1","7","1") = "7"
    & skf18("8","6","4","5","1","8","1") = "7"
    & skf18("8","6","4","5","1","9","1") = "8"
    & skf18("8","6","4","5","1","10","1") = "9"
    & skf18("8","6","4","5","2","1","1") = "7"
    & skf18("8","6","4","5","2","2","1") = "7"
    & skf18("8","6","4","5","2","3","1") = "7"
    & skf18("8","6","4","5","2","4","1") = "7"
    & skf18("8","6","4","5","2","5","1") = "7"
    & skf18("8","6","4","5","2","6","1") = "7"
    & skf18("8","6","4","5","2","7","1") = "7"
    & skf18("8","6","4","5","2","8","1") = "7"
    & skf18("8","6","4","5","2","9","1") = "8"
    & skf18("8","6","4","5","2","10","1") = "9"
    & skf18("8","6","4","5","3","1","1") = "7"
    & skf18("8","6","4","5","3","2","1") = "7"
    & skf18("8","6","4","5","3","3","1") = "7"
    & skf18("8","6","4","5","3","4","1") = "7"
    & skf18("8","6","4","5","3","5","1") = "7"
    & skf18("8","6","4","5","3","6","1") = "7"
    & skf18("8","6","4","5","3","7","1") = "7"
    & skf18("8","6","4","5","3","8","1") = "7"
    & skf18("8","6","4","5","3","9","1") = "8"
    & skf18("8","6","4","5","3","10","1") = "9"
    & skf18("8","6","4","5","4","1","1") = "7"
    & skf18("8","6","4","5","4","2","1") = "7"
    & skf18("8","6","4","5","4","3","1") = "7"
    & skf18("8","6","4","5","4","4","1") = "7"
    & skf18("8","6","4","5","4","5","1") = "7"
    & skf18("8","6","4","5","4","6","1") = "7"
    & skf18("8","6","4","5","4","7","1") = "7"
    & skf18("8","6","4","5","4","8","1") = "7"
    & skf18("8","6","4","5","4","9","1") = "8"
    & skf18("8","6","4","5","4","10","1") = "9"
    & skf18("8","6","4","5","5","1","1") = "7"
    & skf18("8","6","4","5","5","2","1") = "7"
    & skf18("8","6","4","5","5","3","1") = "7"
    & skf18("8","6","4","5","5","4","1") = "7"
    & skf18("8","6","4","5","5","5","1") = "7"
    & skf18("8","6","4","5","5","6","1") = "7"
    & skf18("8","6","4","5","5","7","1") = "7"
    & skf18("8","6","4","5","5","8","1") = "7"
    & skf18("8","6","4","5","5","9","1") = "8"
    & skf18("8","6","4","5","5","10","1") = "9"
    & skf18("8","6","4","5","6","1","1") = "7"
    & skf18("8","6","4","5","6","2","1") = "7"
    & skf18("8","6","4","5","6","3","1") = "7"
    & skf18("8","6","4","5","6","4","1") = "7"
    & skf18("8","6","4","5","6","5","1") = "7"
    & skf18("8","6","4","5","6","6","1") = "7"
    & skf18("8","6","4","5","6","7","1") = "7"
    & skf18("8","6","4","5","6","8","1") = "7"
    & skf18("8","6","4","5","6","9","1") = "8"
    & skf18("8","6","4","5","6","10","1") = "9"
    & skf18("8","6","4","5","7","1","1") = "7"
    & skf18("8","6","4","5","7","2","1") = "7"
    & skf18("8","6","4","5","7","3","1") = "7"
    & skf18("8","6","4","5","7","4","1") = "7"
    & skf18("8","6","4","5","7","5","1") = "7"
    & skf18("8","6","4","5","7","6","1") = "7"
    & skf18("8","6","4","5","7","7","1") = "7"
    & skf18("8","6","4","5","7","8","1") = "7"
    & skf18("8","6","4","5","7","9","1") = "8"
    & skf18("8","6","4","5","7","10","1") = "9"
    & skf18("8","6","4","5","8","1","1") = "7"
    & skf18("8","6","4","5","8","2","1") = "7"
    & skf18("8","6","4","5","8","3","1") = "7"
    & skf18("8","6","4","5","8","4","1") = "7"
    & skf18("8","6","4","5","8","5","1") = "7"
    & skf18("8","6","4","5","8","6","1") = "7"
    & skf18("8","6","4","5","8","7","1") = "7"
    & skf18("8","6","4","5","8","8","1") = "7"
    & skf18("8","6","4","5","8","9","1") = "8"
    & skf18("8","6","4","5","8","10","1") = "9"
    & skf18("8","6","4","5","9","1","1") = "8"
    & skf18("8","6","4","5","9","2","1") = "8"
    & skf18("8","6","4","5","9","3","1") = "8"
    & skf18("8","6","4","5","9","4","1") = "8"
    & skf18("8","6","4","5","9","5","1") = "8"
    & skf18("8","6","4","5","9","6","1") = "8"
    & skf18("8","6","4","5","9","7","1") = "8"
    & skf18("8","6","4","5","9","8","1") = "8"
    & skf18("8","6","4","5","9","9","1") = "8"
    & skf18("8","6","4","5","9","10","1") = "9"
    & skf18("8","6","4","5","10","1","1") = "9"
    & skf18("8","6","4","5","10","2","1") = "9"
    & skf18("8","6","4","5","10","3","1") = "9"
    & skf18("8","6","4","5","10","4","1") = "9"
    & skf18("8","6","4","5","10","5","1") = "9"
    & skf18("8","6","4","5","10","6","1") = "9"
    & skf18("8","6","4","5","10","7","1") = "9"
    & skf18("8","6","4","5","10","8","1") = "9"
    & skf18("8","6","4","5","10","9","1") = "9"
    & skf18("8","6","4","5","10","10","1") = "9"
    & skf18("8","6","4","6","1","1","1") = "7"
    & skf18("8","6","4","6","1","2","1") = "7"
    & skf18("8","6","4","6","1","3","1") = "7"
    & skf18("8","6","4","6","1","4","1") = "7"
    & skf18("8","6","4","6","1","5","1") = "7"
    & skf18("8","6","4","6","1","6","1") = "7"
    & skf18("8","6","4","6","1","7","1") = "7"
    & skf18("8","6","4","6","1","8","1") = "7"
    & skf18("8","6","4","6","1","9","1") = "8"
    & skf18("8","6","4","6","1","10","1") = "9"
    & skf18("8","6","4","6","2","1","1") = "7"
    & skf18("8","6","4","6","2","2","1") = "7"
    & skf18("8","6","4","6","2","3","1") = "7"
    & skf18("8","6","4","6","2","4","1") = "7"
    & skf18("8","6","4","6","2","5","1") = "7"
    & skf18("8","6","4","6","2","6","1") = "7"
    & skf18("8","6","4","6","2","7","1") = "7"
    & skf18("8","6","4","6","2","8","1") = "7"
    & skf18("8","6","4","6","2","9","1") = "8"
    & skf18("8","6","4","6","2","10","1") = "9"
    & skf18("8","6","4","6","3","1","1") = "7"
    & skf18("8","6","4","6","3","2","1") = "7"
    & skf18("8","6","4","6","3","3","1") = "7"
    & skf18("8","6","4","6","3","4","1") = "7"
    & skf18("8","6","4","6","3","5","1") = "7"
    & skf18("8","6","4","6","3","6","1") = "7"
    & skf18("8","6","4","6","3","7","1") = "7"
    & skf18("8","6","4","6","3","8","1") = "7"
    & skf18("8","6","4","6","3","9","1") = "8"
    & skf18("8","6","4","6","3","10","1") = "9"
    & skf18("8","6","4","6","4","1","1") = "7"
    & skf18("8","6","4","6","4","2","1") = "7"
    & skf18("8","6","4","6","4","3","1") = "7"
    & skf18("8","6","4","6","4","4","1") = "7"
    & skf18("8","6","4","6","4","5","1") = "7"
    & skf18("8","6","4","6","4","6","1") = "7"
    & skf18("8","6","4","6","4","7","1") = "7"
    & skf18("8","6","4","6","4","8","1") = "7"
    & skf18("8","6","4","6","4","9","1") = "8"
    & skf18("8","6","4","6","4","10","1") = "9"
    & skf18("8","6","4","6","5","1","1") = "7"
    & skf18("8","6","4","6","5","2","1") = "7"
    & skf18("8","6","4","6","5","3","1") = "7"
    & skf18("8","6","4","6","5","4","1") = "7"
    & skf18("8","6","4","6","5","5","1") = "7"
    & skf18("8","6","4","6","5","6","1") = "7"
    & skf18("8","6","4","6","5","7","1") = "7"
    & skf18("8","6","4","6","5","8","1") = "7"
    & skf18("8","6","4","6","5","9","1") = "8"
    & skf18("8","6","4","6","5","10","1") = "9"
    & skf18("8","6","4","6","6","1","1") = "7"
    & skf18("8","6","4","6","6","2","1") = "7"
    & skf18("8","6","4","6","6","3","1") = "7"
    & skf18("8","6","4","6","6","4","1") = "7"
    & skf18("8","6","4","6","6","5","1") = "7"
    & skf18("8","6","4","6","6","6","1") = "7"
    & skf18("8","6","4","6","6","7","1") = "7"
    & skf18("8","6","4","6","6","8","1") = "7"
    & skf18("8","6","4","6","6","9","1") = "8"
    & skf18("8","6","4","6","6","10","1") = "9"
    & skf18("8","6","4","6","7","1","1") = "7"
    & skf18("8","6","4","6","7","2","1") = "7"
    & skf18("8","6","4","6","7","3","1") = "7"
    & skf18("8","6","4","6","7","4","1") = "7"
    & skf18("8","6","4","6","7","5","1") = "7"
    & skf18("8","6","4","6","7","6","1") = "7"
    & skf18("8","6","4","6","7","7","1") = "7"
    & skf18("8","6","4","6","7","8","1") = "7"
    & skf18("8","6","4","6","7","9","1") = "8"
    & skf18("8","6","4","6","7","10","1") = "9"
    & skf18("8","6","4","6","8","1","1") = "7"
    & skf18("8","6","4","6","8","2","1") = "7"
    & skf18("8","6","4","6","8","3","1") = "7"
    & skf18("8","6","4","6","8","4","1") = "7"
    & skf18("8","6","4","6","8","5","1") = "7"
    & skf18("8","6","4","6","8","6","1") = "7"
    & skf18("8","6","4","6","8","7","1") = "7"
    & skf18("8","6","4","6","8","8","1") = "7"
    & skf18("8","6","4","6","8","9","1") = "8"
    & skf18("8","6","4","6","8","10","1") = "9"
    & skf18("8","6","4","6","9","1","1") = "8"
    & skf18("8","6","4","6","9","2","1") = "8"
    & skf18("8","6","4","6","9","3","1") = "8"
    & skf18("8","6","4","6","9","4","1") = "8"
    & skf18("8","6","4","6","9","5","1") = "8"
    & skf18("8","6","4","6","9","6","1") = "8"
    & skf18("8","6","4","6","9","7","1") = "8"
    & skf18("8","6","4","6","9","8","1") = "8"
    & skf18("8","6","4","6","9","9","1") = "8"
    & skf18("8","6","4","6","9","10","1") = "9"
    & skf18("8","6","4","6","10","1","1") = "9"
    & skf18("8","6","4","6","10","2","1") = "9"
    & skf18("8","6","4","6","10","3","1") = "9"
    & skf18("8","6","4","6","10","4","1") = "9"
    & skf18("8","6","4","6","10","5","1") = "9"
    & skf18("8","6","4","6","10","6","1") = "9"
    & skf18("8","6","4","6","10","7","1") = "9"
    & skf18("8","6","4","6","10","8","1") = "9"
    & skf18("8","6","4","6","10","9","1") = "9"
    & skf18("8","6","4","6","10","10","1") = "9"
    & skf18("8","6","4","7","1","1","1") = "7"
    & skf18("8","6","4","7","1","2","1") = "7"
    & skf18("8","6","4","7","1","3","1") = "7"
    & skf18("8","6","4","7","1","4","1") = "7"
    & skf18("8","6","4","7","1","5","1") = "7"
    & skf18("8","6","4","7","1","6","1") = "7"
    & skf18("8","6","4","7","1","7","1") = "7"
    & skf18("8","6","4","7","1","8","1") = "7"
    & skf18("8","6","4","7","1","9","1") = "8"
    & skf18("8","6","4","7","1","10","1") = "9"
    & skf18("8","6","4","7","2","1","1") = "7"
    & skf18("8","6","4","7","2","2","1") = "7"
    & skf18("8","6","4","7","2","3","1") = "7"
    & skf18("8","6","4","7","2","4","1") = "7"
    & skf18("8","6","4","7","2","5","1") = "7"
    & skf18("8","6","4","7","2","6","1") = "7"
    & skf18("8","6","4","7","2","7","1") = "7"
    & skf18("8","6","4","7","2","8","1") = "7"
    & skf18("8","6","4","7","2","9","1") = "8"
    & skf18("8","6","4","7","2","10","1") = "9"
    & skf18("8","6","4","7","3","1","1") = "7"
    & skf18("8","6","4","7","3","2","1") = "7"
    & skf18("8","6","4","7","3","3","1") = "7"
    & skf18("8","6","4","7","3","4","1") = "7"
    & skf18("8","6","4","7","3","5","1") = "7"
    & skf18("8","6","4","7","3","6","1") = "7"
    & skf18("8","6","4","7","3","7","1") = "7"
    & skf18("8","6","4","7","3","8","1") = "7"
    & skf18("8","6","4","7","3","9","1") = "8"
    & skf18("8","6","4","7","3","10","1") = "9"
    & skf18("8","6","4","7","4","1","1") = "7"
    & skf18("8","6","4","7","4","2","1") = "7"
    & skf18("8","6","4","7","4","3","1") = "7"
    & skf18("8","6","4","7","4","4","1") = "7"
    & skf18("8","6","4","7","4","5","1") = "7"
    & skf18("8","6","4","7","4","6","1") = "7"
    & skf18("8","6","4","7","4","7","1") = "7"
    & skf18("8","6","4","7","4","8","1") = "7"
    & skf18("8","6","4","7","4","9","1") = "8"
    & skf18("8","6","4","7","4","10","1") = "9"
    & skf18("8","6","4","7","5","1","1") = "7"
    & skf18("8","6","4","7","5","2","1") = "7"
    & skf18("8","6","4","7","5","3","1") = "7"
    & skf18("8","6","4","7","5","4","1") = "7"
    & skf18("8","6","4","7","5","5","1") = "7"
    & skf18("8","6","4","7","5","6","1") = "7"
    & skf18("8","6","4","7","5","7","1") = "7"
    & skf18("8","6","4","7","5","8","1") = "7"
    & skf18("8","6","4","7","5","9","1") = "8"
    & skf18("8","6","4","7","5","10","1") = "9"
    & skf18("8","6","4","7","6","1","1") = "7"
    & skf18("8","6","4","7","6","2","1") = "7"
    & skf18("8","6","4","7","6","3","1") = "7"
    & skf18("8","6","4","7","6","4","1") = "7"
    & skf18("8","6","4","7","6","5","1") = "7"
    & skf18("8","6","4","7","6","6","1") = "7"
    & skf18("8","6","4","7","6","7","1") = "7"
    & skf18("8","6","4","7","6","8","1") = "7"
    & skf18("8","6","4","7","6","9","1") = "8"
    & skf18("8","6","4","7","6","10","1") = "9"
    & skf18("8","6","4","7","7","1","1") = "7"
    & skf18("8","6","4","7","7","2","1") = "7"
    & skf18("8","6","4","7","7","3","1") = "7"
    & skf18("8","6","4","7","7","4","1") = "7"
    & skf18("8","6","4","7","7","5","1") = "7"
    & skf18("8","6","4","7","7","6","1") = "7"
    & skf18("8","6","4","7","7","7","1") = "7"
    & skf18("8","6","4","7","7","8","1") = "7"
    & skf18("8","6","4","7","7","9","1") = "8"
    & skf18("8","6","4","7","7","10","1") = "9"
    & skf18("8","6","4","7","8","1","1") = "7"
    & skf18("8","6","4","7","8","2","1") = "7"
    & skf18("8","6","4","7","8","3","1") = "7"
    & skf18("8","6","4","7","8","4","1") = "7"
    & skf18("8","6","4","7","8","5","1") = "7"
    & skf18("8","6","4","7","8","6","1") = "7"
    & skf18("8","6","4","7","8","7","1") = "7"
    & skf18("8","6","4","7","8","8","1") = "7"
    & skf18("8","6","4","7","8","9","1") = "8"
    & skf18("8","6","4","7","8","10","1") = "9"
    & skf18("8","6","4","7","9","1","1") = "8"
    & skf18("8","6","4","7","9","2","1") = "8"
    & skf18("8","6","4","7","9","3","1") = "8"
    & skf18("8","6","4","7","9","4","1") = "8"
    & skf18("8","6","4","7","9","5","1") = "8"
    & skf18("8","6","4","7","9","6","1") = "8"
    & skf18("8","6","4","7","9","7","1") = "8"
    & skf18("8","6","4","7","9","8","1") = "8"
    & skf18("8","6","4","7","9","9","1") = "8"
    & skf18("8","6","4","7","9","10","1") = "9"
    & skf18("8","6","4","7","10","1","1") = "9"
    & skf18("8","6","4","7","10","2","1") = "9"
    & skf18("8","6","4","7","10","3","1") = "9"
    & skf18("8","6","4","7","10","4","1") = "9"
    & skf18("8","6","4","7","10","5","1") = "9"
    & skf18("8","6","4","7","10","6","1") = "9"
    & skf18("8","6","4","7","10","7","1") = "9"
    & skf18("8","6","4","7","10","8","1") = "9"
    & skf18("8","6","4","7","10","9","1") = "9"
    & skf18("8","6","4","7","10","10","1") = "9"
    & skf18("8","6","4","8","1","1","1") = "7"
    & skf18("8","6","4","8","1","2","1") = "7"
    & skf18("8","6","4","8","1","3","1") = "7"
    & skf18("8","6","4","8","1","4","1") = "7"
    & skf18("8","6","4","8","1","5","1") = "7"
    & skf18("8","6","4","8","1","6","1") = "7"
    & skf18("8","6","4","8","1","7","1") = "7"
    & skf18("8","6","4","8","1","8","1") = "7"
    & skf18("8","6","4","8","1","9","1") = "8"
    & skf18("8","6","4","8","1","10","1") = "9"
    & skf18("8","6","4","8","2","1","1") = "7"
    & skf18("8","6","4","8","2","2","1") = "7"
    & skf18("8","6","4","8","2","3","1") = "7"
    & skf18("8","6","4","8","2","4","1") = "7"
    & skf18("8","6","4","8","2","5","1") = "7"
    & skf18("8","6","4","8","2","6","1") = "7"
    & skf18("8","6","4","8","2","7","1") = "7"
    & skf18("8","6","4","8","2","8","1") = "7"
    & skf18("8","6","4","8","2","9","1") = "8"
    & skf18("8","6","4","8","2","10","1") = "9"
    & skf18("8","6","4","8","3","1","1") = "7"
    & skf18("8","6","4","8","3","2","1") = "7"
    & skf18("8","6","4","8","3","3","1") = "7"
    & skf18("8","6","4","8","3","4","1") = "7"
    & skf18("8","6","4","8","3","5","1") = "7"
    & skf18("8","6","4","8","3","6","1") = "7"
    & skf18("8","6","4","8","3","7","1") = "7"
    & skf18("8","6","4","8","3","8","1") = "7"
    & skf18("8","6","4","8","3","9","1") = "8"
    & skf18("8","6","4","8","3","10","1") = "9"
    & skf18("8","6","4","8","4","1","1") = "7"
    & skf18("8","6","4","8","4","2","1") = "7"
    & skf18("8","6","4","8","4","3","1") = "7"
    & skf18("8","6","4","8","4","4","1") = "7"
    & skf18("8","6","4","8","4","5","1") = "7"
    & skf18("8","6","4","8","4","6","1") = "7"
    & skf18("8","6","4","8","4","7","1") = "7"
    & skf18("8","6","4","8","4","8","1") = "7"
    & skf18("8","6","4","8","4","9","1") = "8"
    & skf18("8","6","4","8","4","10","1") = "9"
    & skf18("8","6","4","8","5","1","1") = "7"
    & skf18("8","6","4","8","5","2","1") = "7"
    & skf18("8","6","4","8","5","3","1") = "7"
    & skf18("8","6","4","8","5","4","1") = "7"
    & skf18("8","6","4","8","5","5","1") = "7"
    & skf18("8","6","4","8","5","6","1") = "7"
    & skf18("8","6","4","8","5","7","1") = "7"
    & skf18("8","6","4","8","5","8","1") = "7"
    & skf18("8","6","4","8","5","9","1") = "8"
    & skf18("8","6","4","8","5","10","1") = "9"
    & skf18("8","6","4","8","6","1","1") = "7"
    & skf18("8","6","4","8","6","2","1") = "7"
    & skf18("8","6","4","8","6","3","1") = "7"
    & skf18("8","6","4","8","6","4","1") = "7"
    & skf18("8","6","4","8","6","5","1") = "7"
    & skf18("8","6","4","8","6","6","1") = "7"
    & skf18("8","6","4","8","6","7","1") = "7"
    & skf18("8","6","4","8","6","8","1") = "7"
    & skf18("8","6","4","8","6","9","1") = "8"
    & skf18("8","6","4","8","6","10","1") = "9"
    & skf18("8","6","4","8","7","1","1") = "7"
    & skf18("8","6","4","8","7","2","1") = "7"
    & skf18("8","6","4","8","7","3","1") = "7"
    & skf18("8","6","4","8","7","4","1") = "7"
    & skf18("8","6","4","8","7","5","1") = "7"
    & skf18("8","6","4","8","7","6","1") = "7"
    & skf18("8","6","4","8","7","7","1") = "7"
    & skf18("8","6","4","8","7","8","1") = "7"
    & skf18("8","6","4","8","7","9","1") = "8"
    & skf18("8","6","4","8","7","10","1") = "9"
    & skf18("8","6","4","8","8","1","1") = "7"
    & skf18("8","6","4","8","8","2","1") = "7"
    & skf18("8","6","4","8","8","3","1") = "7"
    & skf18("8","6","4","8","8","4","1") = "7"
    & skf18("8","6","4","8","8","5","1") = "7"
    & skf18("8","6","4","8","8","6","1") = "7"
    & skf18("8","6","4","8","8","7","1") = "7"
    & skf18("8","6","4","8","8","8","1") = "7"
    & skf18("8","6","4","8","8","9","1") = "8"
    & skf18("8","6","4","8","8","10","1") = "9"
    & skf18("8","6","4","8","9","1","1") = "8"
    & skf18("8","6","4","8","9","2","1") = "8"
    & skf18("8","6","4","8","9","3","1") = "8"
    & skf18("8","6","4","8","9","4","1") = "8"
    & skf18("8","6","4","8","9","5","1") = "8"
    & skf18("8","6","4","8","9","6","1") = "8"
    & skf18("8","6","4","8","9","7","1") = "8"
    & skf18("8","6","4","8","9","8","1") = "8"
    & skf18("8","6","4","8","9","9","1") = "8"
    & skf18("8","6","4","8","9","10","1") = "9"
    & skf18("8","6","4","8","10","1","1") = "9"
    & skf18("8","6","4","8","10","2","1") = "9"
    & skf18("8","6","4","8","10","3","1") = "9"
    & skf18("8","6","4","8","10","4","1") = "9"
    & skf18("8","6","4","8","10","5","1") = "9"
    & skf18("8","6","4","8","10","6","1") = "9"
    & skf18("8","6","4","8","10","7","1") = "9"
    & skf18("8","6","4","8","10","8","1") = "9"
    & skf18("8","6","4","8","10","9","1") = "9"
    & skf18("8","6","4","8","10","10","1") = "9"
    & skf18("8","6","4","9","1","1","1") = "8"
    & skf18("8","6","4","9","1","2","1") = "8"
    & skf18("8","6","4","9","1","3","1") = "8"
    & skf18("8","6","4","9","1","4","1") = "8"
    & skf18("8","6","4","9","1","5","1") = "8"
    & skf18("8","6","4","9","1","6","1") = "8"
    & skf18("8","6","4","9","1","7","1") = "8"
    & skf18("8","6","4","9","1","8","1") = "8"
    & skf18("8","6","4","9","1","9","1") = "8"
    & skf18("8","6","4","9","1","10","1") = "9"
    & skf18("8","6","4","9","2","1","1") = "8"
    & skf18("8","6","4","9","2","2","1") = "8"
    & skf18("8","6","4","9","2","3","1") = "8"
    & skf18("8","6","4","9","2","4","1") = "8"
    & skf18("8","6","4","9","2","5","1") = "8"
    & skf18("8","6","4","9","2","6","1") = "8"
    & skf18("8","6","4","9","2","7","1") = "8"
    & skf18("8","6","4","9","2","8","1") = "8"
    & skf18("8","6","4","9","2","9","1") = "8"
    & skf18("8","6","4","9","2","10","1") = "9"
    & skf18("8","6","4","9","3","1","1") = "8"
    & skf18("8","6","4","9","3","2","1") = "8"
    & skf18("8","6","4","9","3","3","1") = "8"
    & skf18("8","6","4","9","3","4","1") = "8"
    & skf18("8","6","4","9","3","5","1") = "8"
    & skf18("8","6","4","9","3","6","1") = "8"
    & skf18("8","6","4","9","3","7","1") = "8"
    & skf18("8","6","4","9","3","8","1") = "8"
    & skf18("8","6","4","9","3","9","1") = "8"
    & skf18("8","6","4","9","3","10","1") = "9"
    & skf18("8","6","4","9","4","1","1") = "8"
    & skf18("8","6","4","9","4","2","1") = "8"
    & skf18("8","6","4","9","4","3","1") = "8"
    & skf18("8","6","4","9","4","4","1") = "8"
    & skf18("8","6","4","9","4","5","1") = "8"
    & skf18("8","6","4","9","4","6","1") = "8"
    & skf18("8","6","4","9","4","7","1") = "8"
    & skf18("8","6","4","9","4","8","1") = "8"
    & skf18("8","6","4","9","4","9","1") = "8"
    & skf18("8","6","4","9","4","10","1") = "9"
    & skf18("8","6","4","9","5","1","1") = "8"
    & skf18("8","6","4","9","5","2","1") = "8"
    & skf18("8","6","4","9","5","3","1") = "8"
    & skf18("8","6","4","9","5","4","1") = "8"
    & skf18("8","6","4","9","5","5","1") = "8"
    & skf18("8","6","4","9","5","6","1") = "8"
    & skf18("8","6","4","9","5","7","1") = "8"
    & skf18("8","6","4","9","5","8","1") = "8"
    & skf18("8","6","4","9","5","9","1") = "8"
    & skf18("8","6","4","9","5","10","1") = "9"
    & skf18("8","6","4","9","6","1","1") = "8"
    & skf18("8","6","4","9","6","2","1") = "8"
    & skf18("8","6","4","9","6","3","1") = "8"
    & skf18("8","6","4","9","6","4","1") = "8"
    & skf18("8","6","4","9","6","5","1") = "8"
    & skf18("8","6","4","9","6","6","1") = "8"
    & skf18("8","6","4","9","6","7","1") = "8"
    & skf18("8","6","4","9","6","8","1") = "8"
    & skf18("8","6","4","9","6","9","1") = "8"
    & skf18("8","6","4","9","6","10","1") = "9"
    & skf18("8","6","4","9","7","1","1") = "8"
    & skf18("8","6","4","9","7","2","1") = "8"
    & skf18("8","6","4","9","7","3","1") = "8"
    & skf18("8","6","4","9","7","4","1") = "8"
    & skf18("8","6","4","9","7","5","1") = "8"
    & skf18("8","6","4","9","7","6","1") = "8"
    & skf18("8","6","4","9","7","7","1") = "8"
    & skf18("8","6","4","9","7","8","1") = "8"
    & skf18("8","6","4","9","7","9","1") = "8"
    & skf18("8","6","4","9","7","10","1") = "9"
    & skf18("8","6","4","9","8","1","1") = "8"
    & skf18("8","6","4","9","8","2","1") = "8"
    & skf18("8","6","4","9","8","3","1") = "8"
    & skf18("8","6","4","9","8","4","1") = "8"
    & skf18("8","6","4","9","8","5","1") = "8"
    & skf18("8","6","4","9","8","6","1") = "8"
    & skf18("8","6","4","9","8","7","1") = "8"
    & skf18("8","6","4","9","8","8","1") = "8"
    & skf18("8","6","4","9","8","9","1") = "8"
    & skf18("8","6","4","9","8","10","1") = "9"
    & skf18("8","6","4","9","9","1","1") = "8"
    & skf18("8","6","4","9","9","2","1") = "8"
    & skf18("8","6","4","9","9","3","1") = "8"
    & skf18("8","6","4","9","9","4","1") = "8"
    & skf18("8","6","4","9","9","5","1") = "8"
    & skf18("8","6","4","9","9","6","1") = "8"
    & skf18("8","6","4","9","9","7","1") = "8"
    & skf18("8","6","4","9","9","8","1") = "8"
    & skf18("8","6","4","9","9","9","1") = "8"
    & skf18("8","6","4","9","9","10","1") = "9"
    & skf18("8","6","4","9","10","1","1") = "9"
    & skf18("8","6","4","9","10","2","1") = "9"
    & skf18("8","6","4","9","10","3","1") = "9"
    & skf18("8","6","4","9","10","4","1") = "9"
    & skf18("8","6","4","9","10","5","1") = "9"
    & skf18("8","6","4","9","10","6","1") = "9"
    & skf18("8","6","4","9","10","7","1") = "9"
    & skf18("8","6","4","9","10","8","1") = "9"
    & skf18("8","6","4","9","10","9","1") = "9"
    & skf18("8","6","4","9","10","10","1") = "9"
    & skf18("8","6","4","10","1","1","1") = "9"
    & skf18("8","6","4","10","1","2","1") = "9"
    & skf18("8","6","4","10","1","3","1") = "9"
    & skf18("8","6","4","10","1","4","1") = "9"
    & skf18("8","6","4","10","1","5","1") = "9"
    & skf18("8","6","4","10","1","6","1") = "9"
    & skf18("8","6","4","10","1","7","1") = "9"
    & skf18("8","6","4","10","1","8","1") = "9"
    & skf18("8","6","4","10","1","9","1") = "9"
    & skf18("8","6","4","10","1","10","1") = "9"
    & skf18("8","6","4","10","2","1","1") = "9"
    & skf18("8","6","4","10","2","2","1") = "9"
    & skf18("8","6","4","10","2","3","1") = "9"
    & skf18("8","6","4","10","2","4","1") = "9"
    & skf18("8","6","4","10","2","5","1") = "9"
    & skf18("8","6","4","10","2","6","1") = "9"
    & skf18("8","6","4","10","2","7","1") = "9"
    & skf18("8","6","4","10","2","8","1") = "9"
    & skf18("8","6","4","10","2","9","1") = "9"
    & skf18("8","6","4","10","2","10","1") = "9"
    & skf18("8","6","4","10","3","1","1") = "9"
    & skf18("8","6","4","10","3","2","1") = "9"
    & skf18("8","6","4","10","3","3","1") = "9"
    & skf18("8","6","4","10","3","4","1") = "9"
    & skf18("8","6","4","10","3","5","1") = "9"
    & skf18("8","6","4","10","3","6","1") = "9"
    & skf18("8","6","4","10","3","7","1") = "9"
    & skf18("8","6","4","10","3","8","1") = "9"
    & skf18("8","6","4","10","3","9","1") = "9"
    & skf18("8","6","4","10","3","10","1") = "9"
    & skf18("8","6","4","10","4","1","1") = "9"
    & skf18("8","6","4","10","4","2","1") = "9"
    & skf18("8","6","4","10","4","3","1") = "9"
    & skf18("8","6","4","10","4","4","1") = "9"
    & skf18("8","6","4","10","4","5","1") = "9"
    & skf18("8","6","4","10","4","6","1") = "9"
    & skf18("8","6","4","10","4","7","1") = "9"
    & skf18("8","6","4","10","4","8","1") = "9"
    & skf18("8","6","4","10","4","9","1") = "9"
    & skf18("8","6","4","10","4","10","1") = "9"
    & skf18("8","6","4","10","5","1","1") = "9"
    & skf18("8","6","4","10","5","2","1") = "9"
    & skf18("8","6","4","10","5","3","1") = "9"
    & skf18("8","6","4","10","5","4","1") = "9"
    & skf18("8","6","4","10","5","5","1") = "9"
    & skf18("8","6","4","10","5","6","1") = "9"
    & skf18("8","6","4","10","5","7","1") = "9"
    & skf18("8","6","4","10","5","8","1") = "9"
    & skf18("8","6","4","10","5","9","1") = "9"
    & skf18("8","6","4","10","5","10","1") = "9"
    & skf18("8","6","4","10","6","1","1") = "9"
    & skf18("8","6","4","10","6","2","1") = "9"
    & skf18("8","6","4","10","6","3","1") = "9"
    & skf18("8","6","4","10","6","4","1") = "9"
    & skf18("8","6","4","10","6","5","1") = "9"
    & skf18("8","6","4","10","6","6","1") = "9"
    & skf18("8","6","4","10","6","7","1") = "9"
    & skf18("8","6","4","10","6","8","1") = "9"
    & skf18("8","6","4","10","6","9","1") = "9"
    & skf18("8","6","4","10","6","10","1") = "9"
    & skf18("8","6","4","10","7","1","1") = "9"
    & skf18("8","6","4","10","7","2","1") = "9"
    & skf18("8","6","4","10","7","3","1") = "9"
    & skf18("8","6","4","10","7","4","1") = "9"
    & skf18("8","6","4","10","7","5","1") = "9"
    & skf18("8","6","4","10","7","6","1") = "9"
    & skf18("8","6","4","10","7","7","1") = "9"
    & skf18("8","6","4","10","7","8","1") = "9"
    & skf18("8","6","4","10","7","9","1") = "9"
    & skf18("8","6","4","10","7","10","1") = "9"
    & skf18("8","6","4","10","8","1","1") = "9"
    & skf18("8","6","4","10","8","2","1") = "9"
    & skf18("8","6","4","10","8","3","1") = "9"
    & skf18("8","6","4","10","8","4","1") = "9"
    & skf18("8","6","4","10","8","5","1") = "9"
    & skf18("8","6","4","10","8","6","1") = "9"
    & skf18("8","6","4","10","8","7","1") = "9"
    & skf18("8","6","4","10","8","8","1") = "9"
    & skf18("8","6","4","10","8","9","1") = "9"
    & skf18("8","6","4","10","8","10","1") = "9"
    & skf18("8","6","4","10","9","1","1") = "9"
    & skf18("8","6","4","10","9","2","1") = "9"
    & skf18("8","6","4","10","9","3","1") = "9"
    & skf18("8","6","4","10","9","4","1") = "9"
    & skf18("8","6","4","10","9","5","1") = "9"
    & skf18("8","6","4","10","9","6","1") = "9"
    & skf18("8","6","4","10","9","7","1") = "9"
    & skf18("8","6","4","10","9","8","1") = "9"
    & skf18("8","6","4","10","9","9","1") = "9"
    & skf18("8","6","4","10","9","10","1") = "9"
    & skf18("8","6","4","10","10","1","1") = "9"
    & skf18("8","6","4","10","10","2","1") = "9"
    & skf18("8","6","4","10","10","3","1") = "9"
    & skf18("8","6","4","10","10","4","1") = "9"
    & skf18("8","6","4","10","10","5","1") = "9"
    & skf18("8","6","4","10","10","6","1") = "9"
    & skf18("8","6","4","10","10","7","1") = "9"
    & skf18("8","6","4","10","10","8","1") = "9"
    & skf18("8","6","4","10","10","9","1") = "9"
    & skf18("8","6","4","10","10","10","1") = "9"
    & skf18("8","6","5","1","1","1","1") = "7"
    & skf18("8","6","5","1","1","2","1") = "7"
    & skf18("8","6","5","1","1","3","1") = "7"
    & skf18("8","6","5","1","1","4","1") = "7"
    & skf18("8","6","5","1","1","5","1") = "7"
    & skf18("8","6","5","1","1","6","1") = "7"
    & skf18("8","6","5","1","1","7","1") = "7"
    & skf18("8","6","5","1","1","8","1") = "7"
    & skf18("8","6","5","1","1","9","1") = "8"
    & skf18("8","6","5","1","1","10","1") = "9"
    & skf18("8","6","5","1","2","1","1") = "7"
    & skf18("8","6","5","1","2","2","1") = "7"
    & skf18("8","6","5","1","2","3","1") = "7"
    & skf18("8","6","5","1","2","4","1") = "7"
    & skf18("8","6","5","1","2","5","1") = "7"
    & skf18("8","6","5","1","2","6","1") = "7"
    & skf18("8","6","5","1","2","7","1") = "7"
    & skf18("8","6","5","1","2","8","1") = "7"
    & skf18("8","6","5","1","2","9","1") = "8"
    & skf18("8","6","5","1","2","10","1") = "9"
    & skf18("8","6","5","1","3","1","1") = "7"
    & skf18("8","6","5","1","3","2","1") = "7"
    & skf18("8","6","5","1","3","3","1") = "7"
    & skf18("8","6","5","1","3","4","1") = "7"
    & skf18("8","6","5","1","3","5","1") = "7"
    & skf18("8","6","5","1","3","6","1") = "7"
    & skf18("8","6","5","1","3","7","1") = "7"
    & skf18("8","6","5","1","3","8","1") = "7"
    & skf18("8","6","5","1","3","9","1") = "8"
    & skf18("8","6","5","1","3","10","1") = "9"
    & skf18("8","6","5","1","4","1","1") = "7"
    & skf18("8","6","5","1","4","2","1") = "7"
    & skf18("8","6","5","1","4","3","1") = "7"
    & skf18("8","6","5","1","4","4","1") = "7"
    & skf18("8","6","5","1","4","5","1") = "7"
    & skf18("8","6","5","1","4","6","1") = "7"
    & skf18("8","6","5","1","4","7","1") = "7"
    & skf18("8","6","5","1","4","8","1") = "7"
    & skf18("8","6","5","1","4","9","1") = "8"
    & skf18("8","6","5","1","4","10","1") = "9"
    & skf18("8","6","5","1","5","1","1") = "7"
    & skf18("8","6","5","1","5","2","1") = "7"
    & skf18("8","6","5","1","5","3","1") = "7"
    & skf18("8","6","5","1","5","4","1") = "7"
    & skf18("8","6","5","1","5","5","1") = "7"
    & skf18("8","6","5","1","5","6","1") = "7"
    & skf18("8","6","5","1","5","7","1") = "7"
    & skf18("8","6","5","1","5","8","1") = "7"
    & skf18("8","6","5","1","5","9","1") = "8"
    & skf18("8","6","5","1","5","10","1") = "9"
    & skf18("8","6","5","1","6","1","1") = "7"
    & skf18("8","6","5","1","6","2","1") = "7"
    & skf18("8","6","5","1","6","3","1") = "7"
    & skf18("8","6","5","1","6","4","1") = "7"
    & skf18("8","6","5","1","6","5","1") = "7"
    & skf18("8","6","5","1","6","6","1") = "7"
    & skf18("8","6","5","1","6","7","1") = "7"
    & skf18("8","6","5","1","6","8","1") = "7"
    & skf18("8","6","5","1","6","9","1") = "8"
    & skf18("8","6","5","1","6","10","1") = "9"
    & skf18("8","6","5","1","7","1","1") = "7"
    & skf18("8","6","5","1","7","2","1") = "7"
    & skf18("8","6","5","1","7","3","1") = "7"
    & skf18("8","6","5","1","7","4","1") = "7"
    & skf18("8","6","5","1","7","5","1") = "7"
    & skf18("8","6","5","1","7","6","1") = "7"
    & skf18("8","6","5","1","7","7","1") = "7"
    & skf18("8","6","5","1","7","8","1") = "7"
    & skf18("8","6","5","1","7","9","1") = "8"
    & skf18("8","6","5","1","7","10","1") = "9"
    & skf18("8","6","5","1","8","1","1") = "7"
    & skf18("8","6","5","1","8","2","1") = "7"
    & skf18("8","6","5","1","8","3","1") = "7"
    & skf18("8","6","5","1","8","4","1") = "7"
    & skf18("8","6","5","1","8","5","1") = "7"
    & skf18("8","6","5","1","8","6","1") = "7"
    & skf18("8","6","5","1","8","7","1") = "7"
    & skf18("8","6","5","1","8","8","1") = "7"
    & skf18("8","6","5","1","8","9","1") = "8"
    & skf18("8","6","5","1","8","10","1") = "9"
    & skf18("8","6","5","1","9","1","1") = "8"
    & skf18("8","6","5","1","9","2","1") = "8"
    & skf18("8","6","5","1","9","3","1") = "8"
    & skf18("8","6","5","1","9","4","1") = "8"
    & skf18("8","6","5","1","9","5","1") = "8"
    & skf18("8","6","5","1","9","6","1") = "8"
    & skf18("8","6","5","1","9","7","1") = "8"
    & skf18("8","6","5","1","9","8","1") = "8"
    & skf18("8","6","5","1","9","9","1") = "8"
    & skf18("8","6","5","1","9","10","1") = "9"
    & skf18("8","6","5","1","10","1","1") = "9"
    & skf18("8","6","5","1","10","2","1") = "9"
    & skf18("8","6","5","1","10","3","1") = "9"
    & skf18("8","6","5","1","10","4","1") = "9"
    & skf18("8","6","5","1","10","5","1") = "9"
    & skf18("8","6","5","1","10","6","1") = "9"
    & skf18("8","6","5","1","10","7","1") = "9"
    & skf18("8","6","5","1","10","8","1") = "9"
    & skf18("8","6","5","1","10","9","1") = "9"
    & skf18("8","6","5","1","10","10","1") = "9"
    & skf18("8","6","5","2","1","1","1") = "7"
    & skf18("8","6","5","2","1","2","1") = "7"
    & skf18("8","6","5","2","1","3","1") = "7"
    & skf18("8","6","5","2","1","4","1") = "7"
    & skf18("8","6","5","2","1","5","1") = "7"
    & skf18("8","6","5","2","1","6","1") = "7"
    & skf18("8","6","5","2","1","7","1") = "7"
    & skf18("8","6","5","2","1","8","1") = "7"
    & skf18("8","6","5","2","1","9","1") = "8"
    & skf18("8","6","5","2","1","10","1") = "9"
    & skf18("8","6","5","2","2","1","1") = "7"
    & skf18("8","6","5","2","2","2","1") = "7"
    & skf18("8","6","5","2","2","3","1") = "7"
    & skf18("8","6","5","2","2","4","1") = "7"
    & skf18("8","6","5","2","2","5","1") = "7"
    & skf18("8","6","5","2","2","6","1") = "7"
    & skf18("8","6","5","2","2","7","1") = "7"
    & skf18("8","6","5","2","2","8","1") = "7"
    & skf18("8","6","5","2","2","9","1") = "8"
    & skf18("8","6","5","2","2","10","1") = "9"
    & skf18("8","6","5","2","3","1","1") = "7"
    & skf18("8","6","5","2","3","2","1") = "7"
    & skf18("8","6","5","2","3","3","1") = "7"
    & skf18("8","6","5","2","3","4","1") = "7"
    & skf18("8","6","5","2","3","5","1") = "7"
    & skf18("8","6","5","2","3","6","1") = "7"
    & skf18("8","6","5","2","3","7","1") = "7"
    & skf18("8","6","5","2","3","8","1") = "7"
    & skf18("8","6","5","2","3","9","1") = "8"
    & skf18("8","6","5","2","3","10","1") = "9"
    & skf18("8","6","5","2","4","1","1") = "7"
    & skf18("8","6","5","2","4","2","1") = "7"
    & skf18("8","6","5","2","4","3","1") = "7"
    & skf18("8","6","5","2","4","4","1") = "7"
    & skf18("8","6","5","2","4","5","1") = "7"
    & skf18("8","6","5","2","4","6","1") = "7"
    & skf18("8","6","5","2","4","7","1") = "7"
    & skf18("8","6","5","2","4","8","1") = "7"
    & skf18("8","6","5","2","4","9","1") = "8"
    & skf18("8","6","5","2","4","10","1") = "9"
    & skf18("8","6","5","2","5","1","1") = "7"
    & skf18("8","6","5","2","5","2","1") = "7"
    & skf18("8","6","5","2","5","3","1") = "7"
    & skf18("8","6","5","2","5","4","1") = "7"
    & skf18("8","6","5","2","5","5","1") = "7"
    & skf18("8","6","5","2","5","6","1") = "7"
    & skf18("8","6","5","2","5","7","1") = "7"
    & skf18("8","6","5","2","5","8","1") = "7"
    & skf18("8","6","5","2","5","9","1") = "8"
    & skf18("8","6","5","2","5","10","1") = "9"
    & skf18("8","6","5","2","6","1","1") = "7"
    & skf18("8","6","5","2","6","2","1") = "7"
    & skf18("8","6","5","2","6","3","1") = "7"
    & skf18("8","6","5","2","6","4","1") = "7"
    & skf18("8","6","5","2","6","5","1") = "7"
    & skf18("8","6","5","2","6","6","1") = "7"
    & skf18("8","6","5","2","6","7","1") = "7"
    & skf18("8","6","5","2","6","8","1") = "7"
    & skf18("8","6","5","2","6","9","1") = "8"
    & skf18("8","6","5","2","6","10","1") = "9"
    & skf18("8","6","5","2","7","1","1") = "7"
    & skf18("8","6","5","2","7","2","1") = "7"
    & skf18("8","6","5","2","7","3","1") = "7"
    & skf18("8","6","5","2","7","4","1") = "7"
    & skf18("8","6","5","2","7","5","1") = "7"
    & skf18("8","6","5","2","7","6","1") = "7"
    & skf18("8","6","5","2","7","7","1") = "7"
    & skf18("8","6","5","2","7","8","1") = "7"
    & skf18("8","6","5","2","7","9","1") = "8"
    & skf18("8","6","5","2","7","10","1") = "9"
    & skf18("8","6","5","2","8","1","1") = "7"
    & skf18("8","6","5","2","8","2","1") = "7"
    & skf18("8","6","5","2","8","3","1") = "7"
    & skf18("8","6","5","2","8","4","1") = "7"
    & skf18("8","6","5","2","8","5","1") = "7"
    & skf18("8","6","5","2","8","6","1") = "7"
    & skf18("8","6","5","2","8","7","1") = "7"
    & skf18("8","6","5","2","8","8","1") = "7"
    & skf18("8","6","5","2","8","9","1") = "8"
    & skf18("8","6","5","2","8","10","1") = "9"
    & skf18("8","6","5","2","9","1","1") = "8"
    & skf18("8","6","5","2","9","2","1") = "8"
    & skf18("8","6","5","2","9","3","1") = "8"
    & skf18("8","6","5","2","9","4","1") = "8"
    & skf18("8","6","5","2","9","5","1") = "8"
    & skf18("8","6","5","2","9","6","1") = "8"
    & skf18("8","6","5","2","9","7","1") = "8"
    & skf18("8","6","5","2","9","8","1") = "8"
    & skf18("8","6","5","2","9","9","1") = "8"
    & skf18("8","6","5","2","9","10","1") = "9"
    & skf18("8","6","5","2","10","1","1") = "9"
    & skf18("8","6","5","2","10","2","1") = "9"
    & skf18("8","6","5","2","10","3","1") = "9"
    & skf18("8","6","5","2","10","4","1") = "9"
    & skf18("8","6","5","2","10","5","1") = "9"
    & skf18("8","6","5","2","10","6","1") = "9"
    & skf18("8","6","5","2","10","7","1") = "9"
    & skf18("8","6","5","2","10","8","1") = "9"
    & skf18("8","6","5","2","10","9","1") = "9"
    & skf18("8","6","5","2","10","10","1") = "9"
    & skf18("8","6","5","3","1","1","1") = "7"
    & skf18("8","6","5","3","1","2","1") = "7"
    & skf18("8","6","5","3","1","3","1") = "7"
    & skf18("8","6","5","3","1","4","1") = "7"
    & skf18("8","6","5","3","1","5","1") = "7"
    & skf18("8","6","5","3","1","6","1") = "7"
    & skf18("8","6","5","3","1","7","1") = "7"
    & skf18("8","6","5","3","1","8","1") = "7"
    & skf18("8","6","5","3","1","9","1") = "8"
    & skf18("8","6","5","3","1","10","1") = "9"
    & skf18("8","6","5","3","2","1","1") = "7"
    & skf18("8","6","5","3","2","2","1") = "7"
    & skf18("8","6","5","3","2","3","1") = "7"
    & skf18("8","6","5","3","2","4","1") = "7"
    & skf18("8","6","5","3","2","5","1") = "7"
    & skf18("8","6","5","3","2","6","1") = "7"
    & skf18("8","6","5","3","2","7","1") = "7"
    & skf18("8","6","5","3","2","8","1") = "7"
    & skf18("8","6","5","3","2","9","1") = "8"
    & skf18("8","6","5","3","2","10","1") = "9"
    & skf18("8","6","5","3","3","1","1") = "7"
    & skf18("8","6","5","3","3","2","1") = "7"
    & skf18("8","6","5","3","3","3","1") = "7"
    & skf18("8","6","5","3","3","4","1") = "7"
    & skf18("8","6","5","3","3","5","1") = "7"
    & skf18("8","6","5","3","3","6","1") = "7"
    & skf18("8","6","5","3","3","7","1") = "7"
    & skf18("8","6","5","3","3","8","1") = "7"
    & skf18("8","6","5","3","3","9","1") = "8"
    & skf18("8","6","5","3","3","10","1") = "9"
    & skf18("8","6","5","3","4","1","1") = "7"
    & skf18("8","6","5","3","4","2","1") = "7"
    & skf18("8","6","5","3","4","3","1") = "7"
    & skf18("8","6","5","3","4","4","1") = "7"
    & skf18("8","6","5","3","4","5","1") = "7"
    & skf18("8","6","5","3","4","6","1") = "7"
    & skf18("8","6","5","3","4","7","1") = "7"
    & skf18("8","6","5","3","4","8","1") = "7"
    & skf18("8","6","5","3","4","9","1") = "8"
    & skf18("8","6","5","3","4","10","1") = "9"
    & skf18("8","6","5","3","5","1","1") = "7"
    & skf18("8","6","5","3","5","2","1") = "7"
    & skf18("8","6","5","3","5","3","1") = "7"
    & skf18("8","6","5","3","5","4","1") = "7"
    & skf18("8","6","5","3","5","5","1") = "7"
    & skf18("8","6","5","3","5","6","1") = "7"
    & skf18("8","6","5","3","5","7","1") = "7"
    & skf18("8","6","5","3","5","8","1") = "7"
    & skf18("8","6","5","3","5","9","1") = "8"
    & skf18("8","6","5","3","5","10","1") = "9"
    & skf18("8","6","5","3","6","1","1") = "7"
    & skf18("8","6","5","3","6","2","1") = "7"
    & skf18("8","6","5","3","6","3","1") = "7"
    & skf18("8","6","5","3","6","4","1") = "7"
    & skf18("8","6","5","3","6","5","1") = "7"
    & skf18("8","6","5","3","6","6","1") = "7"
    & skf18("8","6","5","3","6","7","1") = "7"
    & skf18("8","6","5","3","6","8","1") = "7"
    & skf18("8","6","5","3","6","9","1") = "8"
    & skf18("8","6","5","3","6","10","1") = "9"
    & skf18("8","6","5","3","7","1","1") = "7"
    & skf18("8","6","5","3","7","2","1") = "7"
    & skf18("8","6","5","3","7","3","1") = "7"
    & skf18("8","6","5","3","7","4","1") = "7"
    & skf18("8","6","5","3","7","5","1") = "7"
    & skf18("8","6","5","3","7","6","1") = "7"
    & skf18("8","6","5","3","7","7","1") = "7"
    & skf18("8","6","5","3","7","8","1") = "7"
    & skf18("8","6","5","3","7","9","1") = "8"
    & skf18("8","6","5","3","7","10","1") = "9"
    & skf18("8","6","5","3","8","1","1") = "7"
    & skf18("8","6","5","3","8","2","1") = "7"
    & skf18("8","6","5","3","8","3","1") = "7"
    & skf18("8","6","5","3","8","4","1") = "7"
    & skf18("8","6","5","3","8","5","1") = "7"
    & skf18("8","6","5","3","8","6","1") = "7"
    & skf18("8","6","5","3","8","7","1") = "7"
    & skf18("8","6","5","3","8","8","1") = "7"
    & skf18("8","6","5","3","8","9","1") = "8"
    & skf18("8","6","5","3","8","10","1") = "9"
    & skf18("8","6","5","3","9","1","1") = "8"
    & skf18("8","6","5","3","9","2","1") = "8"
    & skf18("8","6","5","3","9","3","1") = "8"
    & skf18("8","6","5","3","9","4","1") = "8"
    & skf18("8","6","5","3","9","5","1") = "8"
    & skf18("8","6","5","3","9","6","1") = "8"
    & skf18("8","6","5","3","9","7","1") = "8"
    & skf18("8","6","5","3","9","8","1") = "8"
    & skf18("8","6","5","3","9","9","1") = "8"
    & skf18("8","6","5","3","9","10","1") = "9"
    & skf18("8","6","5","3","10","1","1") = "9"
    & skf18("8","6","5","3","10","2","1") = "9"
    & skf18("8","6","5","3","10","3","1") = "9"
    & skf18("8","6","5","3","10","4","1") = "9"
    & skf18("8","6","5","3","10","5","1") = "9"
    & skf18("8","6","5","3","10","6","1") = "9"
    & skf18("8","6","5","3","10","7","1") = "9"
    & skf18("8","6","5","3","10","8","1") = "9"
    & skf18("8","6","5","3","10","9","1") = "9"
    & skf18("8","6","5","3","10","10","1") = "9"
    & skf18("8","6","5","4","1","1","1") = "7"
    & skf18("8","6","5","4","1","2","1") = "7"
    & skf18("8","6","5","4","1","3","1") = "7"
    & skf18("8","6","5","4","1","4","1") = "7"
    & skf18("8","6","5","4","1","5","1") = "7"
    & skf18("8","6","5","4","1","6","1") = "7"
    & skf18("8","6","5","4","1","7","1") = "7"
    & skf18("8","6","5","4","1","8","1") = "7"
    & skf18("8","6","5","4","1","9","1") = "8"
    & skf18("8","6","5","4","1","10","1") = "9"
    & skf18("8","6","5","4","2","1","1") = "7"
    & skf18("8","6","5","4","2","2","1") = "7"
    & skf18("8","6","5","4","2","3","1") = "7"
    & skf18("8","6","5","4","2","4","1") = "7"
    & skf18("8","6","5","4","2","5","1") = "7"
    & skf18("8","6","5","4","2","6","1") = "7"
    & skf18("8","6","5","4","2","7","1") = "7"
    & skf18("8","6","5","4","2","8","1") = "7"
    & skf18("8","6","5","4","2","9","1") = "8"
    & skf18("8","6","5","4","2","10","1") = "9"
    & skf18("8","6","5","4","3","1","1") = "7"
    & skf18("8","6","5","4","3","2","1") = "7"
    & skf18("8","6","5","4","3","3","1") = "7"
    & skf18("8","6","5","4","3","4","1") = "7"
    & skf18("8","6","5","4","3","5","1") = "7"
    & skf18("8","6","5","4","3","6","1") = "7"
    & skf18("8","6","5","4","3","7","1") = "7"
    & skf18("8","6","5","4","3","8","1") = "7"
    & skf18("8","6","5","4","3","9","1") = "8"
    & skf18("8","6","5","4","3","10","1") = "9"
    & skf18("8","6","5","4","4","1","1") = "7"
    & skf18("8","6","5","4","4","2","1") = "7"
    & skf18("8","6","5","4","4","3","1") = "7"
    & skf18("8","6","5","4","4","4","1") = "7"
    & skf18("8","6","5","4","4","5","1") = "7"
    & skf18("8","6","5","4","4","6","1") = "7"
    & skf18("8","6","5","4","4","7","1") = "7"
    & skf18("8","6","5","4","4","8","1") = "7"
    & skf18("8","6","5","4","4","9","1") = "8"
    & skf18("8","6","5","4","4","10","1") = "9"
    & skf18("8","6","5","4","5","1","1") = "7"
    & skf18("8","6","5","4","5","2","1") = "7"
    & skf18("8","6","5","4","5","3","1") = "7"
    & skf18("8","6","5","4","5","4","1") = "7"
    & skf18("8","6","5","4","5","5","1") = "7"
    & skf18("8","6","5","4","5","6","1") = "7"
    & skf18("8","6","5","4","5","7","1") = "7"
    & skf18("8","6","5","4","5","8","1") = "7"
    & skf18("8","6","5","4","5","9","1") = "8"
    & skf18("8","6","5","4","5","10","1") = "9"
    & skf18("8","6","5","4","6","1","1") = "7"
    & skf18("8","6","5","4","6","2","1") = "7"
    & skf18("8","6","5","4","6","3","1") = "7"
    & skf18("8","6","5","4","6","4","1") = "7"
    & skf18("8","6","5","4","6","5","1") = "7"
    & skf18("8","6","5","4","6","6","1") = "7"
    & skf18("8","6","5","4","6","7","1") = "7"
    & skf18("8","6","5","4","6","8","1") = "7"
    & skf18("8","6","5","4","6","9","1") = "8"
    & skf18("8","6","5","4","6","10","1") = "9"
    & skf18("8","6","5","4","7","1","1") = "7"
    & skf18("8","6","5","4","7","2","1") = "7"
    & skf18("8","6","5","4","7","3","1") = "7"
    & skf18("8","6","5","4","7","4","1") = "7"
    & skf18("8","6","5","4","7","5","1") = "7"
    & skf18("8","6","5","4","7","6","1") = "7"
    & skf18("8","6","5","4","7","7","1") = "7"
    & skf18("8","6","5","4","7","8","1") = "7"
    & skf18("8","6","5","4","7","9","1") = "8"
    & skf18("8","6","5","4","7","10","1") = "9"
    & skf18("8","6","5","4","8","1","1") = "7"
    & skf18("8","6","5","4","8","2","1") = "7"
    & skf18("8","6","5","4","8","3","1") = "7"
    & skf18("8","6","5","4","8","4","1") = "7"
    & skf18("8","6","5","4","8","5","1") = "7"
    & skf18("8","6","5","4","8","6","1") = "7"
    & skf18("8","6","5","4","8","7","1") = "7"
    & skf18("8","6","5","4","8","8","1") = "7"
    & skf18("8","6","5","4","8","9","1") = "8"
    & skf18("8","6","5","4","8","10","1") = "9"
    & skf18("8","6","5","4","9","1","1") = "8"
    & skf18("8","6","5","4","9","2","1") = "8"
    & skf18("8","6","5","4","9","3","1") = "8"
    & skf18("8","6","5","4","9","4","1") = "8"
    & skf18("8","6","5","4","9","5","1") = "8"
    & skf18("8","6","5","4","9","6","1") = "8"
    & skf18("8","6","5","4","9","7","1") = "8"
    & skf18("8","6","5","4","9","8","1") = "8"
    & skf18("8","6","5","4","9","9","1") = "8"
    & skf18("8","6","5","4","9","10","1") = "9"
    & skf18("8","6","5","4","10","1","1") = "9"
    & skf18("8","6","5","4","10","2","1") = "9"
    & skf18("8","6","5","4","10","3","1") = "9"
    & skf18("8","6","5","4","10","4","1") = "9"
    & skf18("8","6","5","4","10","5","1") = "9"
    & skf18("8","6","5","4","10","6","1") = "9"
    & skf18("8","6","5","4","10","7","1") = "9"
    & skf18("8","6","5","4","10","8","1") = "9"
    & skf18("8","6","5","4","10","9","1") = "9"
    & skf18("8","6","5","4","10","10","1") = "9"
    & skf18("8","6","5","5","1","1","1") = "7"
    & skf18("8","6","5","5","1","2","1") = "7"
    & skf18("8","6","5","5","1","3","1") = "7"
    & skf18("8","6","5","5","1","4","1") = "7"
    & skf18("8","6","5","5","1","5","1") = "7"
    & skf18("8","6","5","5","1","6","1") = "7"
    & skf18("8","6","5","5","1","7","1") = "7"
    & skf18("8","6","5","5","1","8","1") = "7"
    & skf18("8","6","5","5","1","9","1") = "8"
    & skf18("8","6","5","5","1","10","1") = "9"
    & skf18("8","6","5","5","2","1","1") = "7"
    & skf18("8","6","5","5","2","2","1") = "7"
    & skf18("8","6","5","5","2","3","1") = "7"
    & skf18("8","6","5","5","2","4","1") = "7"
    & skf18("8","6","5","5","2","5","1") = "7"
    & skf18("8","6","5","5","2","6","1") = "7"
    & skf18("8","6","5","5","2","7","1") = "7"
    & skf18("8","6","5","5","2","8","1") = "7"
    & skf18("8","6","5","5","2","9","1") = "8"
    & skf18("8","6","5","5","2","10","1") = "9"
    & skf18("8","6","5","5","3","1","1") = "7"
    & skf18("8","6","5","5","3","2","1") = "7"
    & skf18("8","6","5","5","3","3","1") = "7"
    & skf18("8","6","5","5","3","4","1") = "7"
    & skf18("8","6","5","5","3","5","1") = "7"
    & skf18("8","6","5","5","3","6","1") = "7"
    & skf18("8","6","5","5","3","7","1") = "7"
    & skf18("8","6","5","5","3","8","1") = "7"
    & skf18("8","6","5","5","3","9","1") = "8"
    & skf18("8","6","5","5","3","10","1") = "9"
    & skf18("8","6","5","5","4","1","1") = "7"
    & skf18("8","6","5","5","4","2","1") = "7"
    & skf18("8","6","5","5","4","3","1") = "7"
    & skf18("8","6","5","5","4","4","1") = "7"
    & skf18("8","6","5","5","4","5","1") = "7"
    & skf18("8","6","5","5","4","6","1") = "7"
    & skf18("8","6","5","5","4","7","1") = "7"
    & skf18("8","6","5","5","4","8","1") = "7"
    & skf18("8","6","5","5","4","9","1") = "8"
    & skf18("8","6","5","5","4","10","1") = "9"
    & skf18("8","6","5","5","5","1","1") = "7"
    & skf18("8","6","5","5","5","2","1") = "7"
    & skf18("8","6","5","5","5","3","1") = "7"
    & skf18("8","6","5","5","5","4","1") = "7"
    & skf18("8","6","5","5","5","5","1") = "7"
    & skf18("8","6","5","5","5","6","1") = "7"
    & skf18("8","6","5","5","5","7","1") = "7"
    & skf18("8","6","5","5","5","8","1") = "7"
    & skf18("8","6","5","5","5","9","1") = "8"
    & skf18("8","6","5","5","5","10","1") = "9"
    & skf18("8","6","5","5","6","1","1") = "7"
    & skf18("8","6","5","5","6","2","1") = "7"
    & skf18("8","6","5","5","6","3","1") = "7"
    & skf18("8","6","5","5","6","4","1") = "7"
    & skf18("8","6","5","5","6","5","1") = "7"
    & skf18("8","6","5","5","6","6","1") = "7"
    & skf18("8","6","5","5","6","7","1") = "7"
    & skf18("8","6","5","5","6","8","1") = "7"
    & skf18("8","6","5","5","6","9","1") = "8"
    & skf18("8","6","5","5","6","10","1") = "9"
    & skf18("8","6","5","5","7","1","1") = "7"
    & skf18("8","6","5","5","7","2","1") = "7"
    & skf18("8","6","5","5","7","3","1") = "7"
    & skf18("8","6","5","5","7","4","1") = "7"
    & skf18("8","6","5","5","7","5","1") = "7"
    & skf18("8","6","5","5","7","6","1") = "7"
    & skf18("8","6","5","5","7","7","1") = "7"
    & skf18("8","6","5","5","7","8","1") = "7"
    & skf18("8","6","5","5","7","9","1") = "8"
    & skf18("8","6","5","5","7","10","1") = "9"
    & skf18("8","6","5","5","8","1","1") = "7"
    & skf18("8","6","5","5","8","2","1") = "7"
    & skf18("8","6","5","5","8","3","1") = "7"
    & skf18("8","6","5","5","8","4","1") = "7"
    & skf18("8","6","5","5","8","5","1") = "7"
    & skf18("8","6","5","5","8","6","1") = "7"
    & skf18("8","6","5","5","8","7","1") = "7"
    & skf18("8","6","5","5","8","8","1") = "7"
    & skf18("8","6","5","5","8","9","1") = "8"
    & skf18("8","6","5","5","8","10","1") = "9"
    & skf18("8","6","5","5","9","1","1") = "8"
    & skf18("8","6","5","5","9","2","1") = "8"
    & skf18("8","6","5","5","9","3","1") = "8"
    & skf18("8","6","5","5","9","4","1") = "8"
    & skf18("8","6","5","5","9","5","1") = "8"
    & skf18("8","6","5","5","9","6","1") = "8"
    & skf18("8","6","5","5","9","7","1") = "8"
    & skf18("8","6","5","5","9","8","1") = "8"
    & skf18("8","6","5","5","9","9","1") = "8"
    & skf18("8","6","5","5","9","10","1") = "9"
    & skf18("8","6","5","5","10","1","1") = "9"
    & skf18("8","6","5","5","10","2","1") = "9"
    & skf18("8","6","5","5","10","3","1") = "9"
    & skf18("8","6","5","5","10","4","1") = "9"
    & skf18("8","6","5","5","10","5","1") = "9"
    & skf18("8","6","5","5","10","6","1") = "9"
    & skf18("8","6","5","5","10","7","1") = "9"
    & skf18("8","6","5","5","10","8","1") = "9"
    & skf18("8","6","5","5","10","9","1") = "9"
    & skf18("8","6","5","5","10","10","1") = "9"
    & skf18("8","6","5","6","1","1","1") = "7"
    & skf18("8","6","5","6","1","2","1") = "7"
    & skf18("8","6","5","6","1","3","1") = "7"
    & skf18("8","6","5","6","1","4","1") = "7"
    & skf18("8","6","5","6","1","5","1") = "7"
    & skf18("8","6","5","6","1","6","1") = "7"
    & skf18("8","6","5","6","1","7","1") = "7"
    & skf18("8","6","5","6","1","8","1") = "7"
    & skf18("8","6","5","6","1","9","1") = "8"
    & skf18("8","6","5","6","1","10","1") = "9"
    & skf18("8","6","5","6","2","1","1") = "7"
    & skf18("8","6","5","6","2","2","1") = "7"
    & skf18("8","6","5","6","2","3","1") = "7"
    & skf18("8","6","5","6","2","4","1") = "7"
    & skf18("8","6","5","6","2","5","1") = "7"
    & skf18("8","6","5","6","2","6","1") = "7"
    & skf18("8","6","5","6","2","7","1") = "7"
    & skf18("8","6","5","6","2","8","1") = "7"
    & skf18("8","6","5","6","2","9","1") = "8"
    & skf18("8","6","5","6","2","10","1") = "9"
    & skf18("8","6","5","6","3","1","1") = "7"
    & skf18("8","6","5","6","3","2","1") = "7"
    & skf18("8","6","5","6","3","3","1") = "7"
    & skf18("8","6","5","6","3","4","1") = "7"
    & skf18("8","6","5","6","3","5","1") = "7"
    & skf18("8","6","5","6","3","6","1") = "7"
    & skf18("8","6","5","6","3","7","1") = "7"
    & skf18("8","6","5","6","3","8","1") = "7"
    & skf18("8","6","5","6","3","9","1") = "8"
    & skf18("8","6","5","6","3","10","1") = "9"
    & skf18("8","6","5","6","4","1","1") = "7"
    & skf18("8","6","5","6","4","2","1") = "7"
    & skf18("8","6","5","6","4","3","1") = "7"
    & skf18("8","6","5","6","4","4","1") = "7"
    & skf18("8","6","5","6","4","5","1") = "7"
    & skf18("8","6","5","6","4","6","1") = "7"
    & skf18("8","6","5","6","4","7","1") = "7"
    & skf18("8","6","5","6","4","8","1") = "7"
    & skf18("8","6","5","6","4","9","1") = "8"
    & skf18("8","6","5","6","4","10","1") = "9"
    & skf18("8","6","5","6","5","1","1") = "7"
    & skf18("8","6","5","6","5","2","1") = "7"
    & skf18("8","6","5","6","5","3","1") = "7"
    & skf18("8","6","5","6","5","4","1") = "7"
    & skf18("8","6","5","6","5","5","1") = "7"
    & skf18("8","6","5","6","5","6","1") = "7"
    & skf18("8","6","5","6","5","7","1") = "7"
    & skf18("8","6","5","6","5","8","1") = "7"
    & skf18("8","6","5","6","5","9","1") = "8"
    & skf18("8","6","5","6","5","10","1") = "9"
    & skf18("8","6","5","6","6","1","1") = "7"
    & skf18("8","6","5","6","6","2","1") = "7"
    & skf18("8","6","5","6","6","3","1") = "7"
    & skf18("8","6","5","6","6","4","1") = "7"
    & skf18("8","6","5","6","6","5","1") = "7"
    & skf18("8","6","5","6","6","6","1") = "7"
    & skf18("8","6","5","6","6","7","1") = "7"
    & skf18("8","6","5","6","6","8","1") = "7"
    & skf18("8","6","5","6","6","9","1") = "8"
    & skf18("8","6","5","6","6","10","1") = "9"
    & skf18("8","6","5","6","7","1","1") = "7"
    & skf18("8","6","5","6","7","2","1") = "7"
    & skf18("8","6","5","6","7","3","1") = "7"
    & skf18("8","6","5","6","7","4","1") = "7"
    & skf18("8","6","5","6","7","5","1") = "7"
    & skf18("8","6","5","6","7","6","1") = "7"
    & skf18("8","6","5","6","7","7","1") = "7"
    & skf18("8","6","5","6","7","8","1") = "7"
    & skf18("8","6","5","6","7","9","1") = "8"
    & skf18("8","6","5","6","7","10","1") = "9"
    & skf18("8","6","5","6","8","1","1") = "7"
    & skf18("8","6","5","6","8","2","1") = "7"
    & skf18("8","6","5","6","8","3","1") = "7"
    & skf18("8","6","5","6","8","4","1") = "7"
    & skf18("8","6","5","6","8","5","1") = "7"
    & skf18("8","6","5","6","8","6","1") = "7"
    & skf18("8","6","5","6","8","7","1") = "7"
    & skf18("8","6","5","6","8","8","1") = "7"
    & skf18("8","6","5","6","8","9","1") = "8"
    & skf18("8","6","5","6","8","10","1") = "9"
    & skf18("8","6","5","6","9","1","1") = "8"
    & skf18("8","6","5","6","9","2","1") = "8"
    & skf18("8","6","5","6","9","3","1") = "8"
    & skf18("8","6","5","6","9","4","1") = "8"
    & skf18("8","6","5","6","9","5","1") = "8"
    & skf18("8","6","5","6","9","6","1") = "8"
    & skf18("8","6","5","6","9","7","1") = "8"
    & skf18("8","6","5","6","9","8","1") = "8"
    & skf18("8","6","5","6","9","9","1") = "8"
    & skf18("8","6","5","6","9","10","1") = "9"
    & skf18("8","6","5","6","10","1","1") = "9"
    & skf18("8","6","5","6","10","2","1") = "9"
    & skf18("8","6","5","6","10","3","1") = "9"
    & skf18("8","6","5","6","10","4","1") = "9"
    & skf18("8","6","5","6","10","5","1") = "9"
    & skf18("8","6","5","6","10","6","1") = "9"
    & skf18("8","6","5","6","10","7","1") = "9"
    & skf18("8","6","5","6","10","8","1") = "9"
    & skf18("8","6","5","6","10","9","1") = "9"
    & skf18("8","6","5","6","10","10","1") = "9"
    & skf18("8","6","5","7","1","1","1") = "7"
    & skf18("8","6","5","7","1","2","1") = "7"
    & skf18("8","6","5","7","1","3","1") = "7"
    & skf18("8","6","5","7","1","4","1") = "7"
    & skf18("8","6","5","7","1","5","1") = "7"
    & skf18("8","6","5","7","1","6","1") = "7"
    & skf18("8","6","5","7","1","7","1") = "7"
    & skf18("8","6","5","7","1","8","1") = "7"
    & skf18("8","6","5","7","1","9","1") = "8"
    & skf18("8","6","5","7","1","10","1") = "9"
    & skf18("8","6","5","7","2","1","1") = "7"
    & skf18("8","6","5","7","2","2","1") = "7"
    & skf18("8","6","5","7","2","3","1") = "7"
    & skf18("8","6","5","7","2","4","1") = "7"
    & skf18("8","6","5","7","2","5","1") = "7"
    & skf18("8","6","5","7","2","6","1") = "7"
    & skf18("8","6","5","7","2","7","1") = "7"
    & skf18("8","6","5","7","2","8","1") = "7"
    & skf18("8","6","5","7","2","9","1") = "8"
    & skf18("8","6","5","7","2","10","1") = "9"
    & skf18("8","6","5","7","3","1","1") = "7"
    & skf18("8","6","5","7","3","2","1") = "7"
    & skf18("8","6","5","7","3","3","1") = "7"
    & skf18("8","6","5","7","3","4","1") = "7"
    & skf18("8","6","5","7","3","5","1") = "7"
    & skf18("8","6","5","7","3","6","1") = "7"
    & skf18("8","6","5","7","3","7","1") = "7"
    & skf18("8","6","5","7","3","8","1") = "7"
    & skf18("8","6","5","7","3","9","1") = "8"
    & skf18("8","6","5","7","3","10","1") = "9"
    & skf18("8","6","5","7","4","1","1") = "7"
    & skf18("8","6","5","7","4","2","1") = "7"
    & skf18("8","6","5","7","4","3","1") = "7"
    & skf18("8","6","5","7","4","4","1") = "7"
    & skf18("8","6","5","7","4","5","1") = "7"
    & skf18("8","6","5","7","4","6","1") = "7"
    & skf18("8","6","5","7","4","7","1") = "7"
    & skf18("8","6","5","7","4","8","1") = "7"
    & skf18("8","6","5","7","4","9","1") = "8"
    & skf18("8","6","5","7","4","10","1") = "9"
    & skf18("8","6","5","7","5","1","1") = "7"
    & skf18("8","6","5","7","5","2","1") = "7"
    & skf18("8","6","5","7","5","3","1") = "7"
    & skf18("8","6","5","7","5","4","1") = "7"
    & skf18("8","6","5","7","5","5","1") = "7"
    & skf18("8","6","5","7","5","6","1") = "7"
    & skf18("8","6","5","7","5","7","1") = "7"
    & skf18("8","6","5","7","5","8","1") = "7"
    & skf18("8","6","5","7","5","9","1") = "8"
    & skf18("8","6","5","7","5","10","1") = "9"
    & skf18("8","6","5","7","6","1","1") = "7"
    & skf18("8","6","5","7","6","2","1") = "7"
    & skf18("8","6","5","7","6","3","1") = "7"
    & skf18("8","6","5","7","6","4","1") = "7"
    & skf18("8","6","5","7","6","5","1") = "7"
    & skf18("8","6","5","7","6","6","1") = "7"
    & skf18("8","6","5","7","6","7","1") = "7"
    & skf18("8","6","5","7","6","8","1") = "7"
    & skf18("8","6","5","7","6","9","1") = "8"
    & skf18("8","6","5","7","6","10","1") = "9"
    & skf18("8","6","5","7","7","1","1") = "7"
    & skf18("8","6","5","7","7","2","1") = "7"
    & skf18("8","6","5","7","7","3","1") = "7"
    & skf18("8","6","5","7","7","4","1") = "7"
    & skf18("8","6","5","7","7","5","1") = "7"
    & skf18("8","6","5","7","7","6","1") = "7"
    & skf18("8","6","5","7","7","7","1") = "7"
    & skf18("8","6","5","7","7","8","1") = "7"
    & skf18("8","6","5","7","7","9","1") = "8"
    & skf18("8","6","5","7","7","10","1") = "9"
    & skf18("8","6","5","7","8","1","1") = "7"
    & skf18("8","6","5","7","8","2","1") = "7"
    & skf18("8","6","5","7","8","3","1") = "7"
    & skf18("8","6","5","7","8","4","1") = "7"
    & skf18("8","6","5","7","8","5","1") = "7"
    & skf18("8","6","5","7","8","6","1") = "7"
    & skf18("8","6","5","7","8","7","1") = "7"
    & skf18("8","6","5","7","8","8","1") = "7"
    & skf18("8","6","5","7","8","9","1") = "8"
    & skf18("8","6","5","7","8","10","1") = "9"
    & skf18("8","6","5","7","9","1","1") = "8"
    & skf18("8","6","5","7","9","2","1") = "8"
    & skf18("8","6","5","7","9","3","1") = "8"
    & skf18("8","6","5","7","9","4","1") = "8"
    & skf18("8","6","5","7","9","5","1") = "8"
    & skf18("8","6","5","7","9","6","1") = "8"
    & skf18("8","6","5","7","9","7","1") = "8"
    & skf18("8","6","5","7","9","8","1") = "8"
    & skf18("8","6","5","7","9","9","1") = "8"
    & skf18("8","6","5","7","9","10","1") = "9"
    & skf18("8","6","5","7","10","1","1") = "9"
    & skf18("8","6","5","7","10","2","1") = "9"
    & skf18("8","6","5","7","10","3","1") = "9"
    & skf18("8","6","5","7","10","4","1") = "9"
    & skf18("8","6","5","7","10","5","1") = "9"
    & skf18("8","6","5","7","10","6","1") = "9"
    & skf18("8","6","5","7","10","7","1") = "9"
    & skf18("8","6","5","7","10","8","1") = "9"
    & skf18("8","6","5","7","10","9","1") = "9"
    & skf18("8","6","5","7","10","10","1") = "9"
    & skf18("8","6","5","8","1","1","1") = "7"
    & skf18("8","6","5","8","1","2","1") = "7"
    & skf18("8","6","5","8","1","3","1") = "7"
    & skf18("8","6","5","8","1","4","1") = "7"
    & skf18("8","6","5","8","1","5","1") = "7"
    & skf18("8","6","5","8","1","6","1") = "7"
    & skf18("8","6","5","8","1","7","1") = "7"
    & skf18("8","6","5","8","1","8","1") = "7"
    & skf18("8","6","5","8","1","9","1") = "8"
    & skf18("8","6","5","8","1","10","1") = "9"
    & skf18("8","6","5","8","2","1","1") = "7"
    & skf18("8","6","5","8","2","2","1") = "7"
    & skf18("8","6","5","8","2","3","1") = "7"
    & skf18("8","6","5","8","2","4","1") = "7"
    & skf18("8","6","5","8","2","5","1") = "7"
    & skf18("8","6","5","8","2","6","1") = "7"
    & skf18("8","6","5","8","2","7","1") = "7"
    & skf18("8","6","5","8","2","8","1") = "7"
    & skf18("8","6","5","8","2","9","1") = "8"
    & skf18("8","6","5","8","2","10","1") = "9"
    & skf18("8","6","5","8","3","1","1") = "7"
    & skf18("8","6","5","8","3","2","1") = "7"
    & skf18("8","6","5","8","3","3","1") = "7"
    & skf18("8","6","5","8","3","4","1") = "7"
    & skf18("8","6","5","8","3","5","1") = "7"
    & skf18("8","6","5","8","3","6","1") = "7"
    & skf18("8","6","5","8","3","7","1") = "7"
    & skf18("8","6","5","8","3","8","1") = "7"
    & skf18("8","6","5","8","3","9","1") = "8"
    & skf18("8","6","5","8","3","10","1") = "9"
    & skf18("8","6","5","8","4","1","1") = "7"
    & skf18("8","6","5","8","4","2","1") = "7"
    & skf18("8","6","5","8","4","3","1") = "7"
    & skf18("8","6","5","8","4","4","1") = "7"
    & skf18("8","6","5","8","4","5","1") = "7"
    & skf18("8","6","5","8","4","6","1") = "7"
    & skf18("8","6","5","8","4","7","1") = "7"
    & skf18("8","6","5","8","4","8","1") = "7"
    & skf18("8","6","5","8","4","9","1") = "8"
    & skf18("8","6","5","8","4","10","1") = "9"
    & skf18("8","6","5","8","5","1","1") = "7"
    & skf18("8","6","5","8","5","2","1") = "7"
    & skf18("8","6","5","8","5","3","1") = "7"
    & skf18("8","6","5","8","5","4","1") = "7"
    & skf18("8","6","5","8","5","5","1") = "7"
    & skf18("8","6","5","8","5","6","1") = "7"
    & skf18("8","6","5","8","5","7","1") = "7"
    & skf18("8","6","5","8","5","8","1") = "7"
    & skf18("8","6","5","8","5","9","1") = "8"
    & skf18("8","6","5","8","5","10","1") = "9"
    & skf18("8","6","5","8","6","1","1") = "7"
    & skf18("8","6","5","8","6","2","1") = "7"
    & skf18("8","6","5","8","6","3","1") = "7"
    & skf18("8","6","5","8","6","4","1") = "7"
    & skf18("8","6","5","8","6","5","1") = "7"
    & skf18("8","6","5","8","6","6","1") = "7"
    & skf18("8","6","5","8","6","7","1") = "7"
    & skf18("8","6","5","8","6","8","1") = "7"
    & skf18("8","6","5","8","6","9","1") = "8"
    & skf18("8","6","5","8","6","10","1") = "9"
    & skf18("8","6","5","8","7","1","1") = "7"
    & skf18("8","6","5","8","7","2","1") = "7"
    & skf18("8","6","5","8","7","3","1") = "7"
    & skf18("8","6","5","8","7","4","1") = "7"
    & skf18("8","6","5","8","7","5","1") = "7"
    & skf18("8","6","5","8","7","6","1") = "7"
    & skf18("8","6","5","8","7","7","1") = "7"
    & skf18("8","6","5","8","7","8","1") = "7"
    & skf18("8","6","5","8","7","9","1") = "8"
    & skf18("8","6","5","8","7","10","1") = "9"
    & skf18("8","6","5","8","8","1","1") = "7"
    & skf18("8","6","5","8","8","2","1") = "7"
    & skf18("8","6","5","8","8","3","1") = "7"
    & skf18("8","6","5","8","8","4","1") = "7"
    & skf18("8","6","5","8","8","5","1") = "7"
    & skf18("8","6","5","8","8","6","1") = "7"
    & skf18("8","6","5","8","8","7","1") = "7"
    & skf18("8","6","5","8","8","8","1") = "7"
    & skf18("8","6","5","8","8","9","1") = "8"
    & skf18("8","6","5","8","8","10","1") = "9"
    & skf18("8","6","5","8","9","1","1") = "8"
    & skf18("8","6","5","8","9","2","1") = "8"
    & skf18("8","6","5","8","9","3","1") = "8"
    & skf18("8","6","5","8","9","4","1") = "8"
    & skf18("8","6","5","8","9","5","1") = "8"
    & skf18("8","6","5","8","9","6","1") = "8"
    & skf18("8","6","5","8","9","7","1") = "8"
    & skf18("8","6","5","8","9","8","1") = "8"
    & skf18("8","6","5","8","9","9","1") = "8"
    & skf18("8","6","5","8","9","10","1") = "9"
    & skf18("8","6","5","8","10","1","1") = "9"
    & skf18("8","6","5","8","10","2","1") = "9"
    & skf18("8","6","5","8","10","3","1") = "9"
    & skf18("8","6","5","8","10","4","1") = "9"
    & skf18("8","6","5","8","10","5","1") = "9"
    & skf18("8","6","5","8","10","6","1") = "9"
    & skf18("8","6","5","8","10","7","1") = "9"
    & skf18("8","6","5","8","10","8","1") = "9"
    & skf18("8","6","5","8","10","9","1") = "9"
    & skf18("8","6","5","8","10","10","1") = "9"
    & skf18("8","6","5","9","1","1","1") = "8"
    & skf18("8","6","5","9","1","2","1") = "8"
    & skf18("8","6","5","9","1","3","1") = "8"
    & skf18("8","6","5","9","1","4","1") = "8"
    & skf18("8","6","5","9","1","5","1") = "8"
    & skf18("8","6","5","9","1","6","1") = "8"
    & skf18("8","6","5","9","1","7","1") = "8"
    & skf18("8","6","5","9","1","8","1") = "8"
    & skf18("8","6","5","9","1","9","1") = "8"
    & skf18("8","6","5","9","1","10","1") = "9"
    & skf18("8","6","5","9","2","1","1") = "8"
    & skf18("8","6","5","9","2","2","1") = "8"
    & skf18("8","6","5","9","2","3","1") = "8"
    & skf18("8","6","5","9","2","4","1") = "8"
    & skf18("8","6","5","9","2","5","1") = "8"
    & skf18("8","6","5","9","2","6","1") = "8"
    & skf18("8","6","5","9","2","7","1") = "8"
    & skf18("8","6","5","9","2","8","1") = "8"
    & skf18("8","6","5","9","2","9","1") = "8"
    & skf18("8","6","5","9","2","10","1") = "9"
    & skf18("8","6","5","9","3","1","1") = "8"
    & skf18("8","6","5","9","3","2","1") = "8"
    & skf18("8","6","5","9","3","3","1") = "8"
    & skf18("8","6","5","9","3","4","1") = "8"
    & skf18("8","6","5","9","3","5","1") = "8"
    & skf18("8","6","5","9","3","6","1") = "8"
    & skf18("8","6","5","9","3","7","1") = "8"
    & skf18("8","6","5","9","3","8","1") = "8"
    & skf18("8","6","5","9","3","9","1") = "8"
    & skf18("8","6","5","9","3","10","1") = "9"
    & skf18("8","6","5","9","4","1","1") = "8"
    & skf18("8","6","5","9","4","2","1") = "8"
    & skf18("8","6","5","9","4","3","1") = "8"
    & skf18("8","6","5","9","4","4","1") = "8"
    & skf18("8","6","5","9","4","5","1") = "8"
    & skf18("8","6","5","9","4","6","1") = "8"
    & skf18("8","6","5","9","4","7","1") = "8"
    & skf18("8","6","5","9","4","8","1") = "8"
    & skf18("8","6","5","9","4","9","1") = "8"
    & skf18("8","6","5","9","4","10","1") = "9"
    & skf18("8","6","5","9","5","1","1") = "8"
    & skf18("8","6","5","9","5","2","1") = "8"
    & skf18("8","6","5","9","5","3","1") = "8"
    & skf18("8","6","5","9","5","4","1") = "8"
    & skf18("8","6","5","9","5","5","1") = "8"
    & skf18("8","6","5","9","5","6","1") = "8"
    & skf18("8","6","5","9","5","7","1") = "8"
    & skf18("8","6","5","9","5","8","1") = "8"
    & skf18("8","6","5","9","5","9","1") = "8"
    & skf18("8","6","5","9","5","10","1") = "9"
    & skf18("8","6","5","9","6","1","1") = "8"
    & skf18("8","6","5","9","6","2","1") = "8"
    & skf18("8","6","5","9","6","3","1") = "8"
    & skf18("8","6","5","9","6","4","1") = "8"
    & skf18("8","6","5","9","6","5","1") = "8"
    & skf18("8","6","5","9","6","6","1") = "8"
    & skf18("8","6","5","9","6","7","1") = "8"
    & skf18("8","6","5","9","6","8","1") = "8"
    & skf18("8","6","5","9","6","9","1") = "8"
    & skf18("8","6","5","9","6","10","1") = "9"
    & skf18("8","6","5","9","7","1","1") = "8"
    & skf18("8","6","5","9","7","2","1") = "8"
    & skf18("8","6","5","9","7","3","1") = "8"
    & skf18("8","6","5","9","7","4","1") = "8"
    & skf18("8","6","5","9","7","5","1") = "8"
    & skf18("8","6","5","9","7","6","1") = "8"
    & skf18("8","6","5","9","7","7","1") = "8"
    & skf18("8","6","5","9","7","8","1") = "8"
    & skf18("8","6","5","9","7","9","1") = "8"
    & skf18("8","6","5","9","7","10","1") = "9"
    & skf18("8","6","5","9","8","1","1") = "8"
    & skf18("8","6","5","9","8","2","1") = "8"
    & skf18("8","6","5","9","8","3","1") = "8"
    & skf18("8","6","5","9","8","4","1") = "8"
    & skf18("8","6","5","9","8","5","1") = "8"
    & skf18("8","6","5","9","8","6","1") = "8"
    & skf18("8","6","5","9","8","7","1") = "8"
    & skf18("8","6","5","9","8","8","1") = "8"
    & skf18("8","6","5","9","8","9","1") = "8"
    & skf18("8","6","5","9","8","10","1") = "9"
    & skf18("8","6","5","9","9","1","1") = "8"
    & skf18("8","6","5","9","9","2","1") = "8"
    & skf18("8","6","5","9","9","3","1") = "8"
    & skf18("8","6","5","9","9","4","1") = "8"
    & skf18("8","6","5","9","9","5","1") = "8"
    & skf18("8","6","5","9","9","6","1") = "8"
    & skf18("8","6","5","9","9","7","1") = "8"
    & skf18("8","6","5","9","9","8","1") = "8"
    & skf18("8","6","5","9","9","9","1") = "8"
    & skf18("8","6","5","9","9","10","1") = "9"
    & skf18("8","6","5","9","10","1","1") = "9"
    & skf18("8","6","5","9","10","2","1") = "9"
    & skf18("8","6","5","9","10","3","1") = "9"
    & skf18("8","6","5","9","10","4","1") = "9"
    & skf18("8","6","5","9","10","5","1") = "9"
    & skf18("8","6","5","9","10","6","1") = "9"
    & skf18("8","6","5","9","10","7","1") = "9"
    & skf18("8","6","5","9","10","8","1") = "9"
    & skf18("8","6","5","9","10","9","1") = "9"
    & skf18("8","6","5","9","10","10","1") = "9"
    & skf18("8","6","5","10","1","1","1") = "9"
    & skf18("8","6","5","10","1","2","1") = "9"
    & skf18("8","6","5","10","1","3","1") = "9"
    & skf18("8","6","5","10","1","4","1") = "9"
    & skf18("8","6","5","10","1","5","1") = "9"
    & skf18("8","6","5","10","1","6","1") = "9"
    & skf18("8","6","5","10","1","7","1") = "9"
    & skf18("8","6","5","10","1","8","1") = "9"
    & skf18("8","6","5","10","1","9","1") = "9"
    & skf18("8","6","5","10","1","10","1") = "9"
    & skf18("8","6","5","10","2","1","1") = "9"
    & skf18("8","6","5","10","2","2","1") = "9"
    & skf18("8","6","5","10","2","3","1") = "9"
    & skf18("8","6","5","10","2","4","1") = "9"
    & skf18("8","6","5","10","2","5","1") = "9"
    & skf18("8","6","5","10","2","6","1") = "9"
    & skf18("8","6","5","10","2","7","1") = "9"
    & skf18("8","6","5","10","2","8","1") = "9"
    & skf18("8","6","5","10","2","9","1") = "9"
    & skf18("8","6","5","10","2","10","1") = "9"
    & skf18("8","6","5","10","3","1","1") = "9"
    & skf18("8","6","5","10","3","2","1") = "9"
    & skf18("8","6","5","10","3","3","1") = "9"
    & skf18("8","6","5","10","3","4","1") = "9"
    & skf18("8","6","5","10","3","5","1") = "9"
    & skf18("8","6","5","10","3","6","1") = "9"
    & skf18("8","6","5","10","3","7","1") = "9"
    & skf18("8","6","5","10","3","8","1") = "9"
    & skf18("8","6","5","10","3","9","1") = "9"
    & skf18("8","6","5","10","3","10","1") = "9"
    & skf18("8","6","5","10","4","1","1") = "9"
    & skf18("8","6","5","10","4","2","1") = "9"
    & skf18("8","6","5","10","4","3","1") = "9"
    & skf18("8","6","5","10","4","4","1") = "9"
    & skf18("8","6","5","10","4","5","1") = "9"
    & skf18("8","6","5","10","4","6","1") = "9"
    & skf18("8","6","5","10","4","7","1") = "9"
    & skf18("8","6","5","10","4","8","1") = "9"
    & skf18("8","6","5","10","4","9","1") = "9"
    & skf18("8","6","5","10","4","10","1") = "9"
    & skf18("8","6","5","10","5","1","1") = "9"
    & skf18("8","6","5","10","5","2","1") = "9"
    & skf18("8","6","5","10","5","3","1") = "9"
    & skf18("8","6","5","10","5","4","1") = "9"
    & skf18("8","6","5","10","5","5","1") = "9"
    & skf18("8","6","5","10","5","6","1") = "9"
    & skf18("8","6","5","10","5","7","1") = "9"
    & skf18("8","6","5","10","5","8","1") = "9"
    & skf18("8","6","5","10","5","9","1") = "9"
    & skf18("8","6","5","10","5","10","1") = "9"
    & skf18("8","6","5","10","6","1","1") = "9"
    & skf18("8","6","5","10","6","2","1") = "9"
    & skf18("8","6","5","10","6","3","1") = "9"
    & skf18("8","6","5","10","6","4","1") = "9"
    & skf18("8","6","5","10","6","5","1") = "9"
    & skf18("8","6","5","10","6","6","1") = "9"
    & skf18("8","6","5","10","6","7","1") = "9"
    & skf18("8","6","5","10","6","8","1") = "9"
    & skf18("8","6","5","10","6","9","1") = "9"
    & skf18("8","6","5","10","6","10","1") = "9"
    & skf18("8","6","5","10","7","1","1") = "9"
    & skf18("8","6","5","10","7","2","1") = "9"
    & skf18("8","6","5","10","7","3","1") = "9"
    & skf18("8","6","5","10","7","4","1") = "9"
    & skf18("8","6","5","10","7","5","1") = "9"
    & skf18("8","6","5","10","7","6","1") = "9"
    & skf18("8","6","5","10","7","7","1") = "9"
    & skf18("8","6","5","10","7","8","1") = "9"
    & skf18("8","6","5","10","7","9","1") = "9"
    & skf18("8","6","5","10","7","10","1") = "9"
    & skf18("8","6","5","10","8","1","1") = "9"
    & skf18("8","6","5","10","8","2","1") = "9"
    & skf18("8","6","5","10","8","3","1") = "9"
    & skf18("8","6","5","10","8","4","1") = "9"
    & skf18("8","6","5","10","8","5","1") = "9"
    & skf18("8","6","5","10","8","6","1") = "9"
    & skf18("8","6","5","10","8","7","1") = "9"
    & skf18("8","6","5","10","8","8","1") = "9"
    & skf18("8","6","5","10","8","9","1") = "9"
    & skf18("8","6","5","10","8","10","1") = "9"
    & skf18("8","6","5","10","9","1","1") = "9"
    & skf18("8","6","5","10","9","2","1") = "9"
    & skf18("8","6","5","10","9","3","1") = "9"
    & skf18("8","6","5","10","9","4","1") = "9"
    & skf18("8","6","5","10","9","5","1") = "9"
    & skf18("8","6","5","10","9","6","1") = "9"
    & skf18("8","6","5","10","9","7","1") = "9"
    & skf18("8","6","5","10","9","8","1") = "9"
    & skf18("8","6","5","10","9","9","1") = "9"
    & skf18("8","6","5","10","9","10","1") = "9"
    & skf18("8","6","5","10","10","1","1") = "9"
    & skf18("8","6","5","10","10","2","1") = "9"
    & skf18("8","6","5","10","10","3","1") = "9"
    & skf18("8","6","5","10","10","4","1") = "9"
    & skf18("8","6","5","10","10","5","1") = "9"
    & skf18("8","6","5","10","10","6","1") = "9"
    & skf18("8","6","5","10","10","7","1") = "9"
    & skf18("8","6","5","10","10","8","1") = "9"
    & skf18("8","6","5","10","10","9","1") = "9"
    & skf18("8","6","5","10","10","10","1") = "9"
    & skf18("8","6","6","1","1","1","1") = "7"
    & skf18("8","6","6","1","1","2","1") = "7"
    & skf18("8","6","6","1","1","3","1") = "7"
    & skf18("8","6","6","1","1","4","1") = "7"
    & skf18("8","6","6","1","1","5","1") = "7"
    & skf18("8","6","6","1","1","6","1") = "7"
    & skf18("8","6","6","1","1","7","1") = "7"
    & skf18("8","6","6","1","1","8","1") = "7"
    & skf18("8","6","6","1","1","9","1") = "8"
    & skf18("8","6","6","1","1","10","1") = "9"
    & skf18("8","6","6","1","2","1","1") = "7"
    & skf18("8","6","6","1","2","2","1") = "7"
    & skf18("8","6","6","1","2","3","1") = "7"
    & skf18("8","6","6","1","2","4","1") = "7"
    & skf18("8","6","6","1","2","5","1") = "7"
    & skf18("8","6","6","1","2","6","1") = "7"
    & skf18("8","6","6","1","2","7","1") = "7"
    & skf18("8","6","6","1","2","8","1") = "7"
    & skf18("8","6","6","1","2","9","1") = "8"
    & skf18("8","6","6","1","2","10","1") = "9"
    & skf18("8","6","6","1","3","1","1") = "7"
    & skf18("8","6","6","1","3","2","1") = "7"
    & skf18("8","6","6","1","3","3","1") = "7"
    & skf18("8","6","6","1","3","4","1") = "7"
    & skf18("8","6","6","1","3","5","1") = "7"
    & skf18("8","6","6","1","3","6","1") = "7"
    & skf18("8","6","6","1","3","7","1") = "7"
    & skf18("8","6","6","1","3","8","1") = "7"
    & skf18("8","6","6","1","3","9","1") = "8"
    & skf18("8","6","6","1","3","10","1") = "9"
    & skf18("8","6","6","1","4","1","1") = "7"
    & skf18("8","6","6","1","4","2","1") = "7"
    & skf18("8","6","6","1","4","3","1") = "7"
    & skf18("8","6","6","1","4","4","1") = "7"
    & skf18("8","6","6","1","4","5","1") = "7"
    & skf18("8","6","6","1","4","6","1") = "7"
    & skf18("8","6","6","1","4","7","1") = "7"
    & skf18("8","6","6","1","4","8","1") = "7"
    & skf18("8","6","6","1","4","9","1") = "8"
    & skf18("8","6","6","1","4","10","1") = "9"
    & skf18("8","6","6","1","5","1","1") = "7"
    & skf18("8","6","6","1","5","2","1") = "7"
    & skf18("8","6","6","1","5","3","1") = "7"
    & skf18("8","6","6","1","5","4","1") = "7"
    & skf18("8","6","6","1","5","5","1") = "7"
    & skf18("8","6","6","1","5","6","1") = "7"
    & skf18("8","6","6","1","5","7","1") = "7"
    & skf18("8","6","6","1","5","8","1") = "7"
    & skf18("8","6","6","1","5","9","1") = "8"
    & skf18("8","6","6","1","5","10","1") = "9"
    & skf18("8","6","6","1","6","1","1") = "7"
    & skf18("8","6","6","1","6","2","1") = "7"
    & skf18("8","6","6","1","6","3","1") = "7"
    & skf18("8","6","6","1","6","4","1") = "7"
    & skf18("8","6","6","1","6","5","1") = "7"
    & skf18("8","6","6","1","6","6","1") = "7"
    & skf18("8","6","6","1","6","7","1") = "7"
    & skf18("8","6","6","1","6","8","1") = "7"
    & skf18("8","6","6","1","6","9","1") = "8"
    & skf18("8","6","6","1","6","10","1") = "9"
    & skf18("8","6","6","1","7","1","1") = "7"
    & skf18("8","6","6","1","7","2","1") = "7"
    & skf18("8","6","6","1","7","3","1") = "7"
    & skf18("8","6","6","1","7","4","1") = "7"
    & skf18("8","6","6","1","7","5","1") = "7"
    & skf18("8","6","6","1","7","6","1") = "7"
    & skf18("8","6","6","1","7","7","1") = "7"
    & skf18("8","6","6","1","7","8","1") = "7"
    & skf18("8","6","6","1","7","9","1") = "8"
    & skf18("8","6","6","1","7","10","1") = "9"
    & skf18("8","6","6","1","8","1","1") = "7"
    & skf18("8","6","6","1","8","2","1") = "7"
    & skf18("8","6","6","1","8","3","1") = "7"
    & skf18("8","6","6","1","8","4","1") = "7"
    & skf18("8","6","6","1","8","5","1") = "7"
    & skf18("8","6","6","1","8","6","1") = "7"
    & skf18("8","6","6","1","8","7","1") = "7"
    & skf18("8","6","6","1","8","8","1") = "7"
    & skf18("8","6","6","1","8","9","1") = "8"
    & skf18("8","6","6","1","8","10","1") = "9"
    & skf18("8","6","6","1","9","1","1") = "8"
    & skf18("8","6","6","1","9","2","1") = "8"
    & skf18("8","6","6","1","9","3","1") = "8"
    & skf18("8","6","6","1","9","4","1") = "8"
    & skf18("8","6","6","1","9","5","1") = "8"
    & skf18("8","6","6","1","9","6","1") = "8"
    & skf18("8","6","6","1","9","7","1") = "8"
    & skf18("8","6","6","1","9","8","1") = "8"
    & skf18("8","6","6","1","9","9","1") = "8"
    & skf18("8","6","6","1","9","10","1") = "9"
    & skf18("8","6","6","1","10","1","1") = "9"
    & skf18("8","6","6","1","10","2","1") = "9"
    & skf18("8","6","6","1","10","3","1") = "9"
    & skf18("8","6","6","1","10","4","1") = "9"
    & skf18("8","6","6","1","10","5","1") = "9"
    & skf18("8","6","6","1","10","6","1") = "9"
    & skf18("8","6","6","1","10","7","1") = "9"
    & skf18("8","6","6","1","10","8","1") = "9"
    & skf18("8","6","6","1","10","9","1") = "9"
    & skf18("8","6","6","1","10","10","1") = "9"
    & skf18("8","6","6","2","1","1","1") = "7"
    & skf18("8","6","6","2","1","2","1") = "7"
    & skf18("8","6","6","2","1","3","1") = "7"
    & skf18("8","6","6","2","1","4","1") = "7"
    & skf18("8","6","6","2","1","5","1") = "7"
    & skf18("8","6","6","2","1","6","1") = "7"
    & skf18("8","6","6","2","1","7","1") = "7"
    & skf18("8","6","6","2","1","8","1") = "7"
    & skf18("8","6","6","2","1","9","1") = "8"
    & skf18("8","6","6","2","1","10","1") = "9"
    & skf18("8","6","6","2","2","1","1") = "7"
    & skf18("8","6","6","2","2","2","1") = "7"
    & skf18("8","6","6","2","2","3","1") = "7"
    & skf18("8","6","6","2","2","4","1") = "7"
    & skf18("8","6","6","2","2","5","1") = "7"
    & skf18("8","6","6","2","2","6","1") = "7"
    & skf18("8","6","6","2","2","7","1") = "7"
    & skf18("8","6","6","2","2","8","1") = "7"
    & skf18("8","6","6","2","2","9","1") = "8"
    & skf18("8","6","6","2","2","10","1") = "9"
    & skf18("8","6","6","2","3","1","1") = "7"
    & skf18("8","6","6","2","3","2","1") = "7"
    & skf18("8","6","6","2","3","3","1") = "7"
    & skf18("8","6","6","2","3","4","1") = "7"
    & skf18("8","6","6","2","3","5","1") = "7"
    & skf18("8","6","6","2","3","6","1") = "7"
    & skf18("8","6","6","2","3","7","1") = "7"
    & skf18("8","6","6","2","3","8","1") = "7"
    & skf18("8","6","6","2","3","9","1") = "8"
    & skf18("8","6","6","2","3","10","1") = "9"
    & skf18("8","6","6","2","4","1","1") = "7"
    & skf18("8","6","6","2","4","2","1") = "7"
    & skf18("8","6","6","2","4","3","1") = "7"
    & skf18("8","6","6","2","4","4","1") = "7"
    & skf18("8","6","6","2","4","5","1") = "7"
    & skf18("8","6","6","2","4","6","1") = "7"
    & skf18("8","6","6","2","4","7","1") = "7"
    & skf18("8","6","6","2","4","8","1") = "7"
    & skf18("8","6","6","2","4","9","1") = "8"
    & skf18("8","6","6","2","4","10","1") = "9"
    & skf18("8","6","6","2","5","1","1") = "7"
    & skf18("8","6","6","2","5","2","1") = "7"
    & skf18("8","6","6","2","5","3","1") = "7"
    & skf18("8","6","6","2","5","4","1") = "7"
    & skf18("8","6","6","2","5","5","1") = "7"
    & skf18("8","6","6","2","5","6","1") = "7"
    & skf18("8","6","6","2","5","7","1") = "7"
    & skf18("8","6","6","2","5","8","1") = "7"
    & skf18("8","6","6","2","5","9","1") = "8"
    & skf18("8","6","6","2","5","10","1") = "9"
    & skf18("8","6","6","2","6","1","1") = "7"
    & skf18("8","6","6","2","6","2","1") = "7"
    & skf18("8","6","6","2","6","3","1") = "7"
    & skf18("8","6","6","2","6","4","1") = "7"
    & skf18("8","6","6","2","6","5","1") = "7"
    & skf18("8","6","6","2","6","6","1") = "7"
    & skf18("8","6","6","2","6","7","1") = "7"
    & skf18("8","6","6","2","6","8","1") = "7"
    & skf18("8","6","6","2","6","9","1") = "8"
    & skf18("8","6","6","2","6","10","1") = "9"
    & skf18("8","6","6","2","7","1","1") = "7"
    & skf18("8","6","6","2","7","2","1") = "7"
    & skf18("8","6","6","2","7","3","1") = "7"
    & skf18("8","6","6","2","7","4","1") = "7"
    & skf18("8","6","6","2","7","5","1") = "7"
    & skf18("8","6","6","2","7","6","1") = "7"
    & skf18("8","6","6","2","7","7","1") = "7"
    & skf18("8","6","6","2","7","8","1") = "7"
    & skf18("8","6","6","2","7","9","1") = "8"
    & skf18("8","6","6","2","7","10","1") = "9"
    & skf18("8","6","6","2","8","1","1") = "7"
    & skf18("8","6","6","2","8","2","1") = "7"
    & skf18("8","6","6","2","8","3","1") = "7"
    & skf18("8","6","6","2","8","4","1") = "7"
    & skf18("8","6","6","2","8","5","1") = "7"
    & skf18("8","6","6","2","8","6","1") = "7"
    & skf18("8","6","6","2","8","7","1") = "7"
    & skf18("8","6","6","2","8","8","1") = "7"
    & skf18("8","6","6","2","8","9","1") = "8"
    & skf18("8","6","6","2","8","10","1") = "9"
    & skf18("8","6","6","2","9","1","1") = "8"
    & skf18("8","6","6","2","9","2","1") = "8"
    & skf18("8","6","6","2","9","3","1") = "8"
    & skf18("8","6","6","2","9","4","1") = "8"
    & skf18("8","6","6","2","9","5","1") = "8"
    & skf18("8","6","6","2","9","6","1") = "8"
    & skf18("8","6","6","2","9","7","1") = "8"
    & skf18("8","6","6","2","9","8","1") = "8"
    & skf18("8","6","6","2","9","9","1") = "8"
    & skf18("8","6","6","2","9","10","1") = "9"
    & skf18("8","6","6","2","10","1","1") = "9"
    & skf18("8","6","6","2","10","2","1") = "9"
    & skf18("8","6","6","2","10","3","1") = "9"
    & skf18("8","6","6","2","10","4","1") = "9"
    & skf18("8","6","6","2","10","5","1") = "9"
    & skf18("8","6","6","2","10","6","1") = "9"
    & skf18("8","6","6","2","10","7","1") = "9"
    & skf18("8","6","6","2","10","8","1") = "9"
    & skf18("8","6","6","2","10","9","1") = "9"
    & skf18("8","6","6","2","10","10","1") = "9"
    & skf18("8","6","6","3","1","1","1") = "7"
    & skf18("8","6","6","3","1","2","1") = "7"
    & skf18("8","6","6","3","1","3","1") = "7"
    & skf18("8","6","6","3","1","4","1") = "7"
    & skf18("8","6","6","3","1","5","1") = "7"
    & skf18("8","6","6","3","1","6","1") = "7"
    & skf18("8","6","6","3","1","7","1") = "7"
    & skf18("8","6","6","3","1","8","1") = "7"
    & skf18("8","6","6","3","1","9","1") = "8"
    & skf18("8","6","6","3","1","10","1") = "9"
    & skf18("8","6","6","3","2","1","1") = "7"
    & skf18("8","6","6","3","2","2","1") = "7"
    & skf18("8","6","6","3","2","3","1") = "7"
    & skf18("8","6","6","3","2","4","1") = "7"
    & skf18("8","6","6","3","2","5","1") = "7"
    & skf18("8","6","6","3","2","6","1") = "7"
    & skf18("8","6","6","3","2","7","1") = "7"
    & skf18("8","6","6","3","2","8","1") = "7"
    & skf18("8","6","6","3","2","9","1") = "8"
    & skf18("8","6","6","3","2","10","1") = "9"
    & skf18("8","6","6","3","3","1","1") = "7"
    & skf18("8","6","6","3","3","2","1") = "7"
    & skf18("8","6","6","3","3","3","1") = "7"
    & skf18("8","6","6","3","3","4","1") = "7"
    & skf18("8","6","6","3","3","5","1") = "7"
    & skf18("8","6","6","3","3","6","1") = "7"
    & skf18("8","6","6","3","3","7","1") = "7"
    & skf18("8","6","6","3","3","8","1") = "7"
    & skf18("8","6","6","3","3","9","1") = "8"
    & skf18("8","6","6","3","3","10","1") = "9"
    & skf18("8","6","6","3","4","1","1") = "7"
    & skf18("8","6","6","3","4","2","1") = "7"
    & skf18("8","6","6","3","4","3","1") = "7"
    & skf18("8","6","6","3","4","4","1") = "7"
    & skf18("8","6","6","3","4","5","1") = "7"
    & skf18("8","6","6","3","4","6","1") = "7"
    & skf18("8","6","6","3","4","7","1") = "7"
    & skf18("8","6","6","3","4","8","1") = "7"
    & skf18("8","6","6","3","4","9","1") = "8"
    & skf18("8","6","6","3","4","10","1") = "9"
    & skf18("8","6","6","3","5","1","1") = "7"
    & skf18("8","6","6","3","5","2","1") = "7"
    & skf18("8","6","6","3","5","3","1") = "7"
    & skf18("8","6","6","3","5","4","1") = "7"
    & skf18("8","6","6","3","5","5","1") = "7"
    & skf18("8","6","6","3","5","6","1") = "7"
    & skf18("8","6","6","3","5","7","1") = "7"
    & skf18("8","6","6","3","5","8","1") = "7"
    & skf18("8","6","6","3","5","9","1") = "8"
    & skf18("8","6","6","3","5","10","1") = "9"
    & skf18("8","6","6","3","6","1","1") = "7"
    & skf18("8","6","6","3","6","2","1") = "7"
    & skf18("8","6","6","3","6","3","1") = "7"
    & skf18("8","6","6","3","6","4","1") = "7"
    & skf18("8","6","6","3","6","5","1") = "7"
    & skf18("8","6","6","3","6","6","1") = "7"
    & skf18("8","6","6","3","6","7","1") = "7"
    & skf18("8","6","6","3","6","8","1") = "7"
    & skf18("8","6","6","3","6","9","1") = "8"
    & skf18("8","6","6","3","6","10","1") = "9"
    & skf18("8","6","6","3","7","1","1") = "7"
    & skf18("8","6","6","3","7","2","1") = "7"
    & skf18("8","6","6","3","7","3","1") = "7"
    & skf18("8","6","6","3","7","4","1") = "7"
    & skf18("8","6","6","3","7","5","1") = "7"
    & skf18("8","6","6","3","7","6","1") = "7"
    & skf18("8","6","6","3","7","7","1") = "7"
    & skf18("8","6","6","3","7","8","1") = "7"
    & skf18("8","6","6","3","7","9","1") = "8"
    & skf18("8","6","6","3","7","10","1") = "9"
    & skf18("8","6","6","3","8","1","1") = "7"
    & skf18("8","6","6","3","8","2","1") = "7"
    & skf18("8","6","6","3","8","3","1") = "7"
    & skf18("8","6","6","3","8","4","1") = "7"
    & skf18("8","6","6","3","8","5","1") = "7"
    & skf18("8","6","6","3","8","6","1") = "7"
    & skf18("8","6","6","3","8","7","1") = "7"
    & skf18("8","6","6","3","8","8","1") = "7"
    & skf18("8","6","6","3","8","9","1") = "8"
    & skf18("8","6","6","3","8","10","1") = "9"
    & skf18("8","6","6","3","9","1","1") = "8"
    & skf18("8","6","6","3","9","2","1") = "8"
    & skf18("8","6","6","3","9","3","1") = "8"
    & skf18("8","6","6","3","9","4","1") = "8"
    & skf18("8","6","6","3","9","5","1") = "8"
    & skf18("8","6","6","3","9","6","1") = "8"
    & skf18("8","6","6","3","9","7","1") = "8"
    & skf18("8","6","6","3","9","8","1") = "8"
    & skf18("8","6","6","3","9","9","1") = "8"
    & skf18("8","6","6","3","9","10","1") = "9"
    & skf18("8","6","6","3","10","1","1") = "9"
    & skf18("8","6","6","3","10","2","1") = "9"
    & skf18("8","6","6","3","10","3","1") = "9"
    & skf18("8","6","6","3","10","4","1") = "9"
    & skf18("8","6","6","3","10","5","1") = "9"
    & skf18("8","6","6","3","10","6","1") = "9"
    & skf18("8","6","6","3","10","7","1") = "9"
    & skf18("8","6","6","3","10","8","1") = "9"
    & skf18("8","6","6","3","10","9","1") = "9"
    & skf18("8","6","6","3","10","10","1") = "9"
    & skf18("8","6","6","4","1","1","1") = "7"
    & skf18("8","6","6","4","1","2","1") = "7"
    & skf18("8","6","6","4","1","3","1") = "7"
    & skf18("8","6","6","4","1","4","1") = "7"
    & skf18("8","6","6","4","1","5","1") = "7"
    & skf18("8","6","6","4","1","6","1") = "7"
    & skf18("8","6","6","4","1","7","1") = "7"
    & skf18("8","6","6","4","1","8","1") = "7"
    & skf18("8","6","6","4","1","9","1") = "8"
    & skf18("8","6","6","4","1","10","1") = "9"
    & skf18("8","6","6","4","2","1","1") = "7"
    & skf18("8","6","6","4","2","2","1") = "7"
    & skf18("8","6","6","4","2","3","1") = "7"
    & skf18("8","6","6","4","2","4","1") = "7"
    & skf18("8","6","6","4","2","5","1") = "7"
    & skf18("8","6","6","4","2","6","1") = "7"
    & skf18("8","6","6","4","2","7","1") = "7"
    & skf18("8","6","6","4","2","8","1") = "7"
    & skf18("8","6","6","4","2","9","1") = "8"
    & skf18("8","6","6","4","2","10","1") = "9"
    & skf18("8","6","6","4","3","1","1") = "7"
    & skf18("8","6","6","4","3","2","1") = "7"
    & skf18("8","6","6","4","3","3","1") = "7"
    & skf18("8","6","6","4","3","4","1") = "7"
    & skf18("8","6","6","4","3","5","1") = "7"
    & skf18("8","6","6","4","3","6","1") = "7"
    & skf18("8","6","6","4","3","7","1") = "7"
    & skf18("8","6","6","4","3","8","1") = "7"
    & skf18("8","6","6","4","3","9","1") = "8"
    & skf18("8","6","6","4","3","10","1") = "9"
    & skf18("8","6","6","4","4","1","1") = "7"
    & skf18("8","6","6","4","4","2","1") = "7"
    & skf18("8","6","6","4","4","3","1") = "7"
    & skf18("8","6","6","4","4","4","1") = "7"
    & skf18("8","6","6","4","4","5","1") = "7"
    & skf18("8","6","6","4","4","6","1") = "7"
    & skf18("8","6","6","4","4","7","1") = "7"
    & skf18("8","6","6","4","4","8","1") = "7"
    & skf18("8","6","6","4","4","9","1") = "8"
    & skf18("8","6","6","4","4","10","1") = "9"
    & skf18("8","6","6","4","5","1","1") = "7"
    & skf18("8","6","6","4","5","2","1") = "7"
    & skf18("8","6","6","4","5","3","1") = "7"
    & skf18("8","6","6","4","5","4","1") = "7"
    & skf18("8","6","6","4","5","5","1") = "7"
    & skf18("8","6","6","4","5","6","1") = "7"
    & skf18("8","6","6","4","5","7","1") = "7"
    & skf18("8","6","6","4","5","8","1") = "7"
    & skf18("8","6","6","4","5","9","1") = "8"
    & skf18("8","6","6","4","5","10","1") = "9"
    & skf18("8","6","6","4","6","1","1") = "7"
    & skf18("8","6","6","4","6","2","1") = "7"
    & skf18("8","6","6","4","6","3","1") = "7"
    & skf18("8","6","6","4","6","4","1") = "7"
    & skf18("8","6","6","4","6","5","1") = "7"
    & skf18("8","6","6","4","6","6","1") = "7"
    & skf18("8","6","6","4","6","7","1") = "7"
    & skf18("8","6","6","4","6","8","1") = "7"
    & skf18("8","6","6","4","6","9","1") = "8"
    & skf18("8","6","6","4","6","10","1") = "9"
    & skf18("8","6","6","4","7","1","1") = "7"
    & skf18("8","6","6","4","7","2","1") = "7"
    & skf18("8","6","6","4","7","3","1") = "7"
    & skf18("8","6","6","4","7","4","1") = "7"
    & skf18("8","6","6","4","7","5","1") = "7"
    & skf18("8","6","6","4","7","6","1") = "7"
    & skf18("8","6","6","4","7","7","1") = "7"
    & skf18("8","6","6","4","7","8","1") = "7"
    & skf18("8","6","6","4","7","9","1") = "8"
    & skf18("8","6","6","4","7","10","1") = "9"
    & skf18("8","6","6","4","8","1","1") = "7"
    & skf18("8","6","6","4","8","2","1") = "7"
    & skf18("8","6","6","4","8","3","1") = "7"
    & skf18("8","6","6","4","8","4","1") = "7"
    & skf18("8","6","6","4","8","5","1") = "7"
    & skf18("8","6","6","4","8","6","1") = "7"
    & skf18("8","6","6","4","8","7","1") = "7"
    & skf18("8","6","6","4","8","8","1") = "7"
    & skf18("8","6","6","4","8","9","1") = "8"
    & skf18("8","6","6","4","8","10","1") = "9"
    & skf18("8","6","6","4","9","1","1") = "8"
    & skf18("8","6","6","4","9","2","1") = "8"
    & skf18("8","6","6","4","9","3","1") = "8"
    & skf18("8","6","6","4","9","4","1") = "8"
    & skf18("8","6","6","4","9","5","1") = "8"
    & skf18("8","6","6","4","9","6","1") = "8"
    & skf18("8","6","6","4","9","7","1") = "8"
    & skf18("8","6","6","4","9","8","1") = "8"
    & skf18("8","6","6","4","9","9","1") = "8"
    & skf18("8","6","6","4","9","10","1") = "9"
    & skf18("8","6","6","4","10","1","1") = "9"
    & skf18("8","6","6","4","10","2","1") = "9"
    & skf18("8","6","6","4","10","3","1") = "9"
    & skf18("8","6","6","4","10","4","1") = "9"
    & skf18("8","6","6","4","10","5","1") = "9"
    & skf18("8","6","6","4","10","6","1") = "9"
    & skf18("8","6","6","4","10","7","1") = "9"
    & skf18("8","6","6","4","10","8","1") = "9"
    & skf18("8","6","6","4","10","9","1") = "9"
    & skf18("8","6","6","4","10","10","1") = "9"
    & skf18("8","6","6","5","1","1","1") = "7"
    & skf18("8","6","6","5","1","2","1") = "7"
    & skf18("8","6","6","5","1","3","1") = "7"
    & skf18("8","6","6","5","1","4","1") = "7"
    & skf18("8","6","6","5","1","5","1") = "7"
    & skf18("8","6","6","5","1","6","1") = "7"
    & skf18("8","6","6","5","1","7","1") = "7"
    & skf18("8","6","6","5","1","8","1") = "7"
    & skf18("8","6","6","5","1","9","1") = "8"
    & skf18("8","6","6","5","1","10","1") = "9"
    & skf18("8","6","6","5","2","1","1") = "7"
    & skf18("8","6","6","5","2","2","1") = "7"
    & skf18("8","6","6","5","2","3","1") = "7"
    & skf18("8","6","6","5","2","4","1") = "7"
    & skf18("8","6","6","5","2","5","1") = "7"
    & skf18("8","6","6","5","2","6","1") = "7"
    & skf18("8","6","6","5","2","7","1") = "7"
    & skf18("8","6","6","5","2","8","1") = "7"
    & skf18("8","6","6","5","2","9","1") = "8"
    & skf18("8","6","6","5","2","10","1") = "9"
    & skf18("8","6","6","5","3","1","1") = "7"
    & skf18("8","6","6","5","3","2","1") = "7"
    & skf18("8","6","6","5","3","3","1") = "7"
    & skf18("8","6","6","5","3","4","1") = "7"
    & skf18("8","6","6","5","3","5","1") = "7"
    & skf18("8","6","6","5","3","6","1") = "7"
    & skf18("8","6","6","5","3","7","1") = "7"
    & skf18("8","6","6","5","3","8","1") = "7"
    & skf18("8","6","6","5","3","9","1") = "8"
    & skf18("8","6","6","5","3","10","1") = "9"
    & skf18("8","6","6","5","4","1","1") = "7"
    & skf18("8","6","6","5","4","2","1") = "7"
    & skf18("8","6","6","5","4","3","1") = "7"
    & skf18("8","6","6","5","4","4","1") = "7"
    & skf18("8","6","6","5","4","5","1") = "7"
    & skf18("8","6","6","5","4","6","1") = "7"
    & skf18("8","6","6","5","4","7","1") = "7"
    & skf18("8","6","6","5","4","8","1") = "7"
    & skf18("8","6","6","5","4","9","1") = "8"
    & skf18("8","6","6","5","4","10","1") = "9"
    & skf18("8","6","6","5","5","1","1") = "7"
    & skf18("8","6","6","5","5","2","1") = "7"
    & skf18("8","6","6","5","5","3","1") = "7"
    & skf18("8","6","6","5","5","4","1") = "7"
    & skf18("8","6","6","5","5","5","1") = "7"
    & skf18("8","6","6","5","5","6","1") = "7"
    & skf18("8","6","6","5","5","7","1") = "7"
    & skf18("8","6","6","5","5","8","1") = "7"
    & skf18("8","6","6","5","5","9","1") = "8"
    & skf18("8","6","6","5","5","10","1") = "9"
    & skf18("8","6","6","5","6","1","1") = "7"
    & skf18("8","6","6","5","6","2","1") = "7"
    & skf18("8","6","6","5","6","3","1") = "7"
    & skf18("8","6","6","5","6","4","1") = "7"
    & skf18("8","6","6","5","6","5","1") = "7"
    & skf18("8","6","6","5","6","6","1") = "7"
    & skf18("8","6","6","5","6","7","1") = "7"
    & skf18("8","6","6","5","6","8","1") = "7"
    & skf18("8","6","6","5","6","9","1") = "8"
    & skf18("8","6","6","5","6","10","1") = "9"
    & skf18("8","6","6","5","7","1","1") = "7"
    & skf18("8","6","6","5","7","2","1") = "7"
    & skf18("8","6","6","5","7","3","1") = "7"
    & skf18("8","6","6","5","7","4","1") = "7"
    & skf18("8","6","6","5","7","5","1") = "7"
    & skf18("8","6","6","5","7","6","1") = "7"
    & skf18("8","6","6","5","7","7","1") = "7"
    & skf18("8","6","6","5","7","8","1") = "7"
    & skf18("8","6","6","5","7","9","1") = "8"
    & skf18("8","6","6","5","7","10","1") = "9"
    & skf18("8","6","6","5","8","1","1") = "7"
    & skf18("8","6","6","5","8","2","1") = "7"
    & skf18("8","6","6","5","8","3","1") = "7"
    & skf18("8","6","6","5","8","4","1") = "7"
    & skf18("8","6","6","5","8","5","1") = "7"
    & skf18("8","6","6","5","8","6","1") = "7"
    & skf18("8","6","6","5","8","7","1") = "7"
    & skf18("8","6","6","5","8","8","1") = "7"
    & skf18("8","6","6","5","8","9","1") = "8"
    & skf18("8","6","6","5","8","10","1") = "9"
    & skf18("8","6","6","5","9","1","1") = "8"
    & skf18("8","6","6","5","9","2","1") = "8"
    & skf18("8","6","6","5","9","3","1") = "8"
    & skf18("8","6","6","5","9","4","1") = "8"
    & skf18("8","6","6","5","9","5","1") = "8"
    & skf18("8","6","6","5","9","6","1") = "8"
    & skf18("8","6","6","5","9","7","1") = "8"
    & skf18("8","6","6","5","9","8","1") = "8"
    & skf18("8","6","6","5","9","9","1") = "8"
    & skf18("8","6","6","5","9","10","1") = "9"
    & skf18("8","6","6","5","10","1","1") = "9"
    & skf18("8","6","6","5","10","2","1") = "9"
    & skf18("8","6","6","5","10","3","1") = "9"
    & skf18("8","6","6","5","10","4","1") = "9"
    & skf18("8","6","6","5","10","5","1") = "9"
    & skf18("8","6","6","5","10","6","1") = "9"
    & skf18("8","6","6","5","10","7","1") = "9"
    & skf18("8","6","6","5","10","8","1") = "9"
    & skf18("8","6","6","5","10","9","1") = "9"
    & skf18("8","6","6","5","10","10","1") = "9"
    & skf18("8","6","6","6","1","1","1") = "7"
    & skf18("8","6","6","6","1","2","1") = "7"
    & skf18("8","6","6","6","1","3","1") = "7"
    & skf18("8","6","6","6","1","4","1") = "7"
    & skf18("8","6","6","6","1","5","1") = "7"
    & skf18("8","6","6","6","1","6","1") = "7"
    & skf18("8","6","6","6","1","7","1") = "7"
    & skf18("8","6","6","6","1","8","1") = "7"
    & skf18("8","6","6","6","1","9","1") = "8"
    & skf18("8","6","6","6","1","10","1") = "9"
    & skf18("8","6","6","6","2","1","1") = "7"
    & skf18("8","6","6","6","2","2","1") = "7"
    & skf18("8","6","6","6","2","3","1") = "7"
    & skf18("8","6","6","6","2","4","1") = "7"
    & skf18("8","6","6","6","2","5","1") = "7"
    & skf18("8","6","6","6","2","6","1") = "7"
    & skf18("8","6","6","6","2","7","1") = "7"
    & skf18("8","6","6","6","2","8","1") = "7"
    & skf18("8","6","6","6","2","9","1") = "8"
    & skf18("8","6","6","6","2","10","1") = "9"
    & skf18("8","6","6","6","3","1","1") = "7"
    & skf18("8","6","6","6","3","2","1") = "7"
    & skf18("8","6","6","6","3","3","1") = "7"
    & skf18("8","6","6","6","3","4","1") = "7"
    & skf18("8","6","6","6","3","5","1") = "7"
    & skf18("8","6","6","6","3","6","1") = "7"
    & skf18("8","6","6","6","3","7","1") = "7"
    & skf18("8","6","6","6","3","8","1") = "7"
    & skf18("8","6","6","6","3","9","1") = "8"
    & skf18("8","6","6","6","3","10","1") = "9"
    & skf18("8","6","6","6","4","1","1") = "7"
    & skf18("8","6","6","6","4","2","1") = "7"
    & skf18("8","6","6","6","4","3","1") = "7"
    & skf18("8","6","6","6","4","4","1") = "7"
    & skf18("8","6","6","6","4","5","1") = "7"
    & skf18("8","6","6","6","4","6","1") = "7"
    & skf18("8","6","6","6","4","7","1") = "7"
    & skf18("8","6","6","6","4","8","1") = "7"
    & skf18("8","6","6","6","4","9","1") = "8"
    & skf18("8","6","6","6","4","10","1") = "9"
    & skf18("8","6","6","6","5","1","1") = "7"
    & skf18("8","6","6","6","5","2","1") = "7"
    & skf18("8","6","6","6","5","3","1") = "7"
    & skf18("8","6","6","6","5","4","1") = "7"
    & skf18("8","6","6","6","5","5","1") = "7"
    & skf18("8","6","6","6","5","6","1") = "7"
    & skf18("8","6","6","6","5","7","1") = "7"
    & skf18("8","6","6","6","5","8","1") = "7"
    & skf18("8","6","6","6","5","9","1") = "8"
    & skf18("8","6","6","6","5","10","1") = "9"
    & skf18("8","6","6","6","6","1","1") = "7"
    & skf18("8","6","6","6","6","2","1") = "7"
    & skf18("8","6","6","6","6","3","1") = "7"
    & skf18("8","6","6","6","6","4","1") = "7"
    & skf18("8","6","6","6","6","5","1") = "7"
    & skf18("8","6","6","6","6","6","1") = "7"
    & skf18("8","6","6","6","6","7","1") = "7"
    & skf18("8","6","6","6","6","8","1") = "7"
    & skf18("8","6","6","6","6","9","1") = "8"
    & skf18("8","6","6","6","6","10","1") = "9"
    & skf18("8","6","6","6","7","1","1") = "7"
    & skf18("8","6","6","6","7","2","1") = "7"
    & skf18("8","6","6","6","7","3","1") = "7"
    & skf18("8","6","6","6","7","4","1") = "7"
    & skf18("8","6","6","6","7","5","1") = "7"
    & skf18("8","6","6","6","7","6","1") = "7"
    & skf18("8","6","6","6","7","7","1") = "7"
    & skf18("8","6","6","6","7","8","1") = "7"
    & skf18("8","6","6","6","7","9","1") = "8"
    & skf18("8","6","6","6","7","10","1") = "9"
    & skf18("8","6","6","6","8","1","1") = "7"
    & skf18("8","6","6","6","8","2","1") = "7"
    & skf18("8","6","6","6","8","3","1") = "7"
    & skf18("8","6","6","6","8","4","1") = "7"
    & skf18("8","6","6","6","8","5","1") = "7"
    & skf18("8","6","6","6","8","6","1") = "7"
    & skf18("8","6","6","6","8","7","1") = "7"
    & skf18("8","6","6","6","8","8","1") = "7"
    & skf18("8","6","6","6","8","9","1") = "8"
    & skf18("8","6","6","6","8","10","1") = "9"
    & skf18("8","6","6","6","9","1","1") = "8"
    & skf18("8","6","6","6","9","2","1") = "8"
    & skf18("8","6","6","6","9","3","1") = "8"
    & skf18("8","6","6","6","9","4","1") = "8"
    & skf18("8","6","6","6","9","5","1") = "8"
    & skf18("8","6","6","6","9","6","1") = "8"
    & skf18("8","6","6","6","9","7","1") = "8"
    & skf18("8","6","6","6","9","8","1") = "8"
    & skf18("8","6","6","6","9","9","1") = "8"
    & skf18("8","6","6","6","9","10","1") = "9"
    & skf18("8","6","6","6","10","1","1") = "9"
    & skf18("8","6","6","6","10","2","1") = "9"
    & skf18("8","6","6","6","10","3","1") = "9"
    & skf18("8","6","6","6","10","4","1") = "9"
    & skf18("8","6","6","6","10","5","1") = "9"
    & skf18("8","6","6","6","10","6","1") = "9"
    & skf18("8","6","6","6","10","7","1") = "9"
    & skf18("8","6","6","6","10","8","1") = "9"
    & skf18("8","6","6","6","10","9","1") = "9"
    & skf18("8","6","6","6","10","10","1") = "9"
    & skf18("8","6","6","7","1","1","1") = "7"
    & skf18("8","6","6","7","1","2","1") = "7"
    & skf18("8","6","6","7","1","3","1") = "7"
    & skf18("8","6","6","7","1","4","1") = "7"
    & skf18("8","6","6","7","1","5","1") = "7"
    & skf18("8","6","6","7","1","6","1") = "7"
    & skf18("8","6","6","7","1","7","1") = "7"
    & skf18("8","6","6","7","1","8","1") = "7"
    & skf18("8","6","6","7","1","9","1") = "8"
    & skf18("8","6","6","7","1","10","1") = "9"
    & skf18("8","6","6","7","2","1","1") = "7"
    & skf18("8","6","6","7","2","2","1") = "7"
    & skf18("8","6","6","7","2","3","1") = "7"
    & skf18("8","6","6","7","2","4","1") = "7"
    & skf18("8","6","6","7","2","5","1") = "7"
    & skf18("8","6","6","7","2","6","1") = "7"
    & skf18("8","6","6","7","2","7","1") = "7"
    & skf18("8","6","6","7","2","8","1") = "7"
    & skf18("8","6","6","7","2","9","1") = "8"
    & skf18("8","6","6","7","2","10","1") = "9"
    & skf18("8","6","6","7","3","1","1") = "7"
    & skf18("8","6","6","7","3","2","1") = "7"
    & skf18("8","6","6","7","3","3","1") = "7"
    & skf18("8","6","6","7","3","4","1") = "7"
    & skf18("8","6","6","7","3","5","1") = "7"
    & skf18("8","6","6","7","3","6","1") = "7"
    & skf18("8","6","6","7","3","7","1") = "7"
    & skf18("8","6","6","7","3","8","1") = "7"
    & skf18("8","6","6","7","3","9","1") = "8"
    & skf18("8","6","6","7","3","10","1") = "9"
    & skf18("8","6","6","7","4","1","1") = "7"
    & skf18("8","6","6","7","4","2","1") = "7"
    & skf18("8","6","6","7","4","3","1") = "7"
    & skf18("8","6","6","7","4","4","1") = "7"
    & skf18("8","6","6","7","4","5","1") = "7"
    & skf18("8","6","6","7","4","6","1") = "7"
    & skf18("8","6","6","7","4","7","1") = "7"
    & skf18("8","6","6","7","4","8","1") = "7"
    & skf18("8","6","6","7","4","9","1") = "8"
    & skf18("8","6","6","7","4","10","1") = "9"
    & skf18("8","6","6","7","5","1","1") = "7"
    & skf18("8","6","6","7","5","2","1") = "7"
    & skf18("8","6","6","7","5","3","1") = "7"
    & skf18("8","6","6","7","5","4","1") = "7"
    & skf18("8","6","6","7","5","5","1") = "7"
    & skf18("8","6","6","7","5","6","1") = "7"
    & skf18("8","6","6","7","5","7","1") = "7"
    & skf18("8","6","6","7","5","8","1") = "7"
    & skf18("8","6","6","7","5","9","1") = "8"
    & skf18("8","6","6","7","5","10","1") = "9"
    & skf18("8","6","6","7","6","1","1") = "7"
    & skf18("8","6","6","7","6","2","1") = "7"
    & skf18("8","6","6","7","6","3","1") = "7"
    & skf18("8","6","6","7","6","4","1") = "7"
    & skf18("8","6","6","7","6","5","1") = "7"
    & skf18("8","6","6","7","6","6","1") = "7"
    & skf18("8","6","6","7","6","7","1") = "7"
    & skf18("8","6","6","7","6","8","1") = "7"
    & skf18("8","6","6","7","6","9","1") = "8"
    & skf18("8","6","6","7","6","10","1") = "9"
    & skf18("8","6","6","7","7","1","1") = "7"
    & skf18("8","6","6","7","7","2","1") = "7"
    & skf18("8","6","6","7","7","3","1") = "7"
    & skf18("8","6","6","7","7","4","1") = "7"
    & skf18("8","6","6","7","7","5","1") = "7"
    & skf18("8","6","6","7","7","6","1") = "7"
    & skf18("8","6","6","7","7","7","1") = "7"
    & skf18("8","6","6","7","7","8","1") = "7"
    & skf18("8","6","6","7","7","9","1") = "8"
    & skf18("8","6","6","7","7","10","1") = "9"
    & skf18("8","6","6","7","8","1","1") = "7"
    & skf18("8","6","6","7","8","2","1") = "7"
    & skf18("8","6","6","7","8","3","1") = "7"
    & skf18("8","6","6","7","8","4","1") = "7"
    & skf18("8","6","6","7","8","5","1") = "7"
    & skf18("8","6","6","7","8","6","1") = "7"
    & skf18("8","6","6","7","8","7","1") = "7"
    & skf18("8","6","6","7","8","8","1") = "7"
    & skf18("8","6","6","7","8","9","1") = "8"
    & skf18("8","6","6","7","8","10","1") = "9"
    & skf18("8","6","6","7","9","1","1") = "8"
    & skf18("8","6","6","7","9","2","1") = "8"
    & skf18("8","6","6","7","9","3","1") = "8"
    & skf18("8","6","6","7","9","4","1") = "8"
    & skf18("8","6","6","7","9","5","1") = "8"
    & skf18("8","6","6","7","9","6","1") = "8"
    & skf18("8","6","6","7","9","7","1") = "8"
    & skf18("8","6","6","7","9","8","1") = "8"
    & skf18("8","6","6","7","9","9","1") = "8"
    & skf18("8","6","6","7","9","10","1") = "9"
    & skf18("8","6","6","7","10","1","1") = "9"
    & skf18("8","6","6","7","10","2","1") = "9"
    & skf18("8","6","6","7","10","3","1") = "9"
    & skf18("8","6","6","7","10","4","1") = "9"
    & skf18("8","6","6","7","10","5","1") = "9"
    & skf18("8","6","6","7","10","6","1") = "9"
    & skf18("8","6","6","7","10","7","1") = "9"
    & skf18("8","6","6","7","10","8","1") = "9"
    & skf18("8","6","6","7","10","9","1") = "9"
    & skf18("8","6","6","7","10","10","1") = "9"
    & skf18("8","6","6","8","1","1","1") = "7"
    & skf18("8","6","6","8","1","2","1") = "7"
    & skf18("8","6","6","8","1","3","1") = "7"
    & skf18("8","6","6","8","1","4","1") = "7"
    & skf18("8","6","6","8","1","5","1") = "7"
    & skf18("8","6","6","8","1","6","1") = "7"
    & skf18("8","6","6","8","1","7","1") = "7"
    & skf18("8","6","6","8","1","8","1") = "7"
    & skf18("8","6","6","8","1","9","1") = "8"
    & skf18("8","6","6","8","1","10","1") = "9"
    & skf18("8","6","6","8","2","1","1") = "7"
    & skf18("8","6","6","8","2","2","1") = "7"
    & skf18("8","6","6","8","2","3","1") = "7"
    & skf18("8","6","6","8","2","4","1") = "7"
    & skf18("8","6","6","8","2","5","1") = "7"
    & skf18("8","6","6","8","2","6","1") = "7"
    & skf18("8","6","6","8","2","7","1") = "7"
    & skf18("8","6","6","8","2","8","1") = "7"
    & skf18("8","6","6","8","2","9","1") = "8"
    & skf18("8","6","6","8","2","10","1") = "9"
    & skf18("8","6","6","8","3","1","1") = "7"
    & skf18("8","6","6","8","3","2","1") = "7"
    & skf18("8","6","6","8","3","3","1") = "7"
    & skf18("8","6","6","8","3","4","1") = "7"
    & skf18("8","6","6","8","3","5","1") = "7"
    & skf18("8","6","6","8","3","6","1") = "7"
    & skf18("8","6","6","8","3","7","1") = "7"
    & skf18("8","6","6","8","3","8","1") = "7"
    & skf18("8","6","6","8","3","9","1") = "8"
    & skf18("8","6","6","8","3","10","1") = "9"
    & skf18("8","6","6","8","4","1","1") = "7"
    & skf18("8","6","6","8","4","2","1") = "7"
    & skf18("8","6","6","8","4","3","1") = "7"
    & skf18("8","6","6","8","4","4","1") = "7"
    & skf18("8","6","6","8","4","5","1") = "7"
    & skf18("8","6","6","8","4","6","1") = "7"
    & skf18("8","6","6","8","4","7","1") = "7"
    & skf18("8","6","6","8","4","8","1") = "7"
    & skf18("8","6","6","8","4","9","1") = "8"
    & skf18("8","6","6","8","4","10","1") = "9"
    & skf18("8","6","6","8","5","1","1") = "7"
    & skf18("8","6","6","8","5","2","1") = "7"
    & skf18("8","6","6","8","5","3","1") = "7"
    & skf18("8","6","6","8","5","4","1") = "7"
    & skf18("8","6","6","8","5","5","1") = "7"
    & skf18("8","6","6","8","5","6","1") = "7"
    & skf18("8","6","6","8","5","7","1") = "7"
    & skf18("8","6","6","8","5","8","1") = "7"
    & skf18("8","6","6","8","5","9","1") = "8"
    & skf18("8","6","6","8","5","10","1") = "9"
    & skf18("8","6","6","8","6","1","1") = "7"
    & skf18("8","6","6","8","6","2","1") = "7"
    & skf18("8","6","6","8","6","3","1") = "7"
    & skf18("8","6","6","8","6","4","1") = "7"
    & skf18("8","6","6","8","6","5","1") = "7"
    & skf18("8","6","6","8","6","6","1") = "7"
    & skf18("8","6","6","8","6","7","1") = "7"
    & skf18("8","6","6","8","6","8","1") = "7"
    & skf18("8","6","6","8","6","9","1") = "8"
    & skf18("8","6","6","8","6","10","1") = "9"
    & skf18("8","6","6","8","7","1","1") = "7"
    & skf18("8","6","6","8","7","2","1") = "7"
    & skf18("8","6","6","8","7","3","1") = "7"
    & skf18("8","6","6","8","7","4","1") = "7"
    & skf18("8","6","6","8","7","5","1") = "7"
    & skf18("8","6","6","8","7","6","1") = "7"
    & skf18("8","6","6","8","7","7","1") = "7"
    & skf18("8","6","6","8","7","8","1") = "7"
    & skf18("8","6","6","8","7","9","1") = "8"
    & skf18("8","6","6","8","7","10","1") = "9"
    & skf18("8","6","6","8","8","1","1") = "7"
    & skf18("8","6","6","8","8","2","1") = "7"
    & skf18("8","6","6","8","8","3","1") = "7"
    & skf18("8","6","6","8","8","4","1") = "7"
    & skf18("8","6","6","8","8","5","1") = "7"
    & skf18("8","6","6","8","8","6","1") = "7"
    & skf18("8","6","6","8","8","7","1") = "7"
    & skf18("8","6","6","8","8","8","1") = "7"
    & skf18("8","6","6","8","8","9","1") = "8"
    & skf18("8","6","6","8","8","10","1") = "9"
    & skf18("8","6","6","8","9","1","1") = "8"
    & skf18("8","6","6","8","9","2","1") = "8"
    & skf18("8","6","6","8","9","3","1") = "8"
    & skf18("8","6","6","8","9","4","1") = "8"
    & skf18("8","6","6","8","9","5","1") = "8"
    & skf18("8","6","6","8","9","6","1") = "8"
    & skf18("8","6","6","8","9","7","1") = "8"
    & skf18("8","6","6","8","9","8","1") = "8"
    & skf18("8","6","6","8","9","9","1") = "8"
    & skf18("8","6","6","8","9","10","1") = "9"
    & skf18("8","6","6","8","10","1","1") = "9"
    & skf18("8","6","6","8","10","2","1") = "9"
    & skf18("8","6","6","8","10","3","1") = "9"
    & skf18("8","6","6","8","10","4","1") = "9"
    & skf18("8","6","6","8","10","5","1") = "9"
    & skf18("8","6","6","8","10","6","1") = "9"
    & skf18("8","6","6","8","10","7","1") = "9"
    & skf18("8","6","6","8","10","8","1") = "9"
    & skf18("8","6","6","8","10","9","1") = "9"
    & skf18("8","6","6","8","10","10","1") = "9"
    & skf18("8","6","6","9","1","1","1") = "8"
    & skf18("8","6","6","9","1","2","1") = "8"
    & skf18("8","6","6","9","1","3","1") = "8"
    & skf18("8","6","6","9","1","4","1") = "8"
    & skf18("8","6","6","9","1","5","1") = "8"
    & skf18("8","6","6","9","1","6","1") = "8"
    & skf18("8","6","6","9","1","7","1") = "8"
    & skf18("8","6","6","9","1","8","1") = "8"
    & skf18("8","6","6","9","1","9","1") = "8"
    & skf18("8","6","6","9","1","10","1") = "9"
    & skf18("8","6","6","9","2","1","1") = "8"
    & skf18("8","6","6","9","2","2","1") = "8"
    & skf18("8","6","6","9","2","3","1") = "8"
    & skf18("8","6","6","9","2","4","1") = "8"
    & skf18("8","6","6","9","2","5","1") = "8"
    & skf18("8","6","6","9","2","6","1") = "8"
    & skf18("8","6","6","9","2","7","1") = "8"
    & skf18("8","6","6","9","2","8","1") = "8"
    & skf18("8","6","6","9","2","9","1") = "8"
    & skf18("8","6","6","9","2","10","1") = "9"
    & skf18("8","6","6","9","3","1","1") = "8"
    & skf18("8","6","6","9","3","2","1") = "8"
    & skf18("8","6","6","9","3","3","1") = "8"
    & skf18("8","6","6","9","3","4","1") = "8"
    & skf18("8","6","6","9","3","5","1") = "8"
    & skf18("8","6","6","9","3","6","1") = "8"
    & skf18("8","6","6","9","3","7","1") = "8"
    & skf18("8","6","6","9","3","8","1") = "8"
    & skf18("8","6","6","9","3","9","1") = "8"
    & skf18("8","6","6","9","3","10","1") = "9"
    & skf18("8","6","6","9","4","1","1") = "8"
    & skf18("8","6","6","9","4","2","1") = "8"
    & skf18("8","6","6","9","4","3","1") = "8"
    & skf18("8","6","6","9","4","4","1") = "8"
    & skf18("8","6","6","9","4","5","1") = "8"
    & skf18("8","6","6","9","4","6","1") = "8"
    & skf18("8","6","6","9","4","7","1") = "8"
    & skf18("8","6","6","9","4","8","1") = "8"
    & skf18("8","6","6","9","4","9","1") = "8"
    & skf18("8","6","6","9","4","10","1") = "9"
    & skf18("8","6","6","9","5","1","1") = "8"
    & skf18("8","6","6","9","5","2","1") = "8"
    & skf18("8","6","6","9","5","3","1") = "8"
    & skf18("8","6","6","9","5","4","1") = "8"
    & skf18("8","6","6","9","5","5","1") = "8"
    & skf18("8","6","6","9","5","6","1") = "8"
    & skf18("8","6","6","9","5","7","1") = "8"
    & skf18("8","6","6","9","5","8","1") = "8"
    & skf18("8","6","6","9","5","9","1") = "8"
    & skf18("8","6","6","9","5","10","1") = "9"
    & skf18("8","6","6","9","6","1","1") = "8"
    & skf18("8","6","6","9","6","2","1") = "8"
    & skf18("8","6","6","9","6","3","1") = "8"
    & skf18("8","6","6","9","6","4","1") = "8"
    & skf18("8","6","6","9","6","5","1") = "8"
    & skf18("8","6","6","9","6","6","1") = "8"
    & skf18("8","6","6","9","6","7","1") = "8"
    & skf18("8","6","6","9","6","8","1") = "8"
    & skf18("8","6","6","9","6","9","1") = "8"
    & skf18("8","6","6","9","6","10","1") = "9"
    & skf18("8","6","6","9","7","1","1") = "8"
    & skf18("8","6","6","9","7","2","1") = "8"
    & skf18("8","6","6","9","7","3","1") = "8"
    & skf18("8","6","6","9","7","4","1") = "8"
    & skf18("8","6","6","9","7","5","1") = "8"
    & skf18("8","6","6","9","7","6","1") = "8"
    & skf18("8","6","6","9","7","7","1") = "8"
    & skf18("8","6","6","9","7","8","1") = "8"
    & skf18("8","6","6","9","7","9","1") = "8"
    & skf18("8","6","6","9","7","10","1") = "9"
    & skf18("8","6","6","9","8","1","1") = "8"
    & skf18("8","6","6","9","8","2","1") = "8"
    & skf18("8","6","6","9","8","3","1") = "8"
    & skf18("8","6","6","9","8","4","1") = "8"
    & skf18("8","6","6","9","8","5","1") = "8"
    & skf18("8","6","6","9","8","6","1") = "8"
    & skf18("8","6","6","9","8","7","1") = "8"
    & skf18("8","6","6","9","8","8","1") = "8"
    & skf18("8","6","6","9","8","9","1") = "8"
    & skf18("8","6","6","9","8","10","1") = "9"
    & skf18("8","6","6","9","9","1","1") = "8"
    & skf18("8","6","6","9","9","2","1") = "8"
    & skf18("8","6","6","9","9","3","1") = "8"
    & skf18("8","6","6","9","9","4","1") = "8"
    & skf18("8","6","6","9","9","5","1") = "8"
    & skf18("8","6","6","9","9","6","1") = "8"
    & skf18("8","6","6","9","9","7","1") = "8"
    & skf18("8","6","6","9","9","8","1") = "8"
    & skf18("8","6","6","9","9","9","1") = "8"
    & skf18("8","6","6","9","9","10","1") = "9"
    & skf18("8","6","6","9","10","1","1") = "9"
    & skf18("8","6","6","9","10","2","1") = "9"
    & skf18("8","6","6","9","10","3","1") = "9"
    & skf18("8","6","6","9","10","4","1") = "9"
    & skf18("8","6","6","9","10","5","1") = "9"
    & skf18("8","6","6","9","10","6","1") = "9"
    & skf18("8","6","6","9","10","7","1") = "9"
    & skf18("8","6","6","9","10","8","1") = "9"
    & skf18("8","6","6","9","10","9","1") = "9"
    & skf18("8","6","6","9","10","10","1") = "9"
    & skf18("8","6","6","10","1","1","1") = "9"
    & skf18("8","6","6","10","1","2","1") = "9"
    & skf18("8","6","6","10","1","3","1") = "9"
    & skf18("8","6","6","10","1","4","1") = "9"
    & skf18("8","6","6","10","1","5","1") = "9"
    & skf18("8","6","6","10","1","6","1") = "9"
    & skf18("8","6","6","10","1","7","1") = "9"
    & skf18("8","6","6","10","1","8","1") = "9"
    & skf18("8","6","6","10","1","9","1") = "9"
    & skf18("8","6","6","10","1","10","1") = "9"
    & skf18("8","6","6","10","2","1","1") = "9"
    & skf18("8","6","6","10","2","2","1") = "9"
    & skf18("8","6","6","10","2","3","1") = "9"
    & skf18("8","6","6","10","2","4","1") = "9"
    & skf18("8","6","6","10","2","5","1") = "9"
    & skf18("8","6","6","10","2","6","1") = "9"
    & skf18("8","6","6","10","2","7","1") = "9"
    & skf18("8","6","6","10","2","8","1") = "9"
    & skf18("8","6","6","10","2","9","1") = "9"
    & skf18("8","6","6","10","2","10","1") = "9"
    & skf18("8","6","6","10","3","1","1") = "9"
    & skf18("8","6","6","10","3","2","1") = "9"
    & skf18("8","6","6","10","3","3","1") = "9"
    & skf18("8","6","6","10","3","4","1") = "9"
    & skf18("8","6","6","10","3","5","1") = "9"
    & skf18("8","6","6","10","3","6","1") = "9"
    & skf18("8","6","6","10","3","7","1") = "9"
    & skf18("8","6","6","10","3","8","1") = "9"
    & skf18("8","6","6","10","3","9","1") = "9"
    & skf18("8","6","6","10","3","10","1") = "9"
    & skf18("8","6","6","10","4","1","1") = "9"
    & skf18("8","6","6","10","4","2","1") = "9"
    & skf18("8","6","6","10","4","3","1") = "9"
    & skf18("8","6","6","10","4","4","1") = "9"
    & skf18("8","6","6","10","4","5","1") = "9"
    & skf18("8","6","6","10","4","6","1") = "9"
    & skf18("8","6","6","10","4","7","1") = "9"
    & skf18("8","6","6","10","4","8","1") = "9"
    & skf18("8","6","6","10","4","9","1") = "9"
    & skf18("8","6","6","10","4","10","1") = "9"
    & skf18("8","6","6","10","5","1","1") = "9"
    & skf18("8","6","6","10","5","2","1") = "9"
    & skf18("8","6","6","10","5","3","1") = "9"
    & skf18("8","6","6","10","5","4","1") = "9"
    & skf18("8","6","6","10","5","5","1") = "9"
    & skf18("8","6","6","10","5","6","1") = "9"
    & skf18("8","6","6","10","5","7","1") = "9"
    & skf18("8","6","6","10","5","8","1") = "9"
    & skf18("8","6","6","10","5","9","1") = "9"
    & skf18("8","6","6","10","5","10","1") = "9"
    & skf18("8","6","6","10","6","1","1") = "9"
    & skf18("8","6","6","10","6","2","1") = "9"
    & skf18("8","6","6","10","6","3","1") = "9"
    & skf18("8","6","6","10","6","4","1") = "9"
    & skf18("8","6","6","10","6","5","1") = "9"
    & skf18("8","6","6","10","6","6","1") = "9"
    & skf18("8","6","6","10","6","7","1") = "9"
    & skf18("8","6","6","10","6","8","1") = "9"
    & skf18("8","6","6","10","6","9","1") = "9"
    & skf18("8","6","6","10","6","10","1") = "9"
    & skf18("8","6","6","10","7","1","1") = "9"
    & skf18("8","6","6","10","7","2","1") = "9"
    & skf18("8","6","6","10","7","3","1") = "9"
    & skf18("8","6","6","10","7","4","1") = "9"
    & skf18("8","6","6","10","7","5","1") = "9"
    & skf18("8","6","6","10","7","6","1") = "9"
    & skf18("8","6","6","10","7","7","1") = "9"
    & skf18("8","6","6","10","7","8","1") = "9"
    & skf18("8","6","6","10","7","9","1") = "9"
    & skf18("8","6","6","10","7","10","1") = "9"
    & skf18("8","6","6","10","8","1","1") = "9"
    & skf18("8","6","6","10","8","2","1") = "9"
    & skf18("8","6","6","10","8","3","1") = "9"
    & skf18("8","6","6","10","8","4","1") = "9"
    & skf18("8","6","6","10","8","5","1") = "9"
    & skf18("8","6","6","10","8","6","1") = "9"
    & skf18("8","6","6","10","8","7","1") = "9"
    & skf18("8","6","6","10","8","8","1") = "9"
    & skf18("8","6","6","10","8","9","1") = "9"
    & skf18("8","6","6","10","8","10","1") = "9"
    & skf18("8","6","6","10","9","1","1") = "9"
    & skf18("8","6","6","10","9","2","1") = "9"
    & skf18("8","6","6","10","9","3","1") = "9"
    & skf18("8","6","6","10","9","4","1") = "9"
    & skf18("8","6","6","10","9","5","1") = "9"
    & skf18("8","6","6","10","9","6","1") = "9"
    & skf18("8","6","6","10","9","7","1") = "9"
    & skf18("8","6","6","10","9","8","1") = "9"
    & skf18("8","6","6","10","9","9","1") = "9"
    & skf18("8","6","6","10","9","10","1") = "9"
    & skf18("8","6","6","10","10","1","1") = "9"
    & skf18("8","6","6","10","10","2","1") = "9"
    & skf18("8","6","6","10","10","3","1") = "9"
    & skf18("8","6","6","10","10","4","1") = "9"
    & skf18("8","6","6","10","10","5","1") = "9"
    & skf18("8","6","6","10","10","6","1") = "9"
    & skf18("8","6","6","10","10","7","1") = "9"
    & skf18("8","6","6","10","10","8","1") = "9"
    & skf18("8","6","6","10","10","9","1") = "9"
    & skf18("8","6","6","10","10","10","1") = "9"
    & skf18("8","6","7","1","1","1","1") = "7"
    & skf18("8","6","7","1","1","2","1") = "7"
    & skf18("8","6","7","1","1","3","1") = "7"
    & skf18("8","6","7","1","1","4","1") = "7"
    & skf18("8","6","7","1","1","5","1") = "7"
    & skf18("8","6","7","1","1","6","1") = "7"
    & skf18("8","6","7","1","1","7","1") = "7"
    & skf18("8","6","7","1","1","8","1") = "7"
    & skf18("8","6","7","1","1","9","1") = "8"
    & skf18("8","6","7","1","1","10","1") = "9"
    & skf18("8","6","7","1","2","1","1") = "7"
    & skf18("8","6","7","1","2","2","1") = "7"
    & skf18("8","6","7","1","2","3","1") = "7"
    & skf18("8","6","7","1","2","4","1") = "7"
    & skf18("8","6","7","1","2","5","1") = "7"
    & skf18("8","6","7","1","2","6","1") = "7"
    & skf18("8","6","7","1","2","7","1") = "7"
    & skf18("8","6","7","1","2","8","1") = "7"
    & skf18("8","6","7","1","2","9","1") = "8"
    & skf18("8","6","7","1","2","10","1") = "9"
    & skf18("8","6","7","1","3","1","1") = "7"
    & skf18("8","6","7","1","3","2","1") = "7"
    & skf18("8","6","7","1","3","3","1") = "7"
    & skf18("8","6","7","1","3","4","1") = "7"
    & skf18("8","6","7","1","3","5","1") = "7"
    & skf18("8","6","7","1","3","6","1") = "7"
    & skf18("8","6","7","1","3","7","1") = "7"
    & skf18("8","6","7","1","3","8","1") = "7"
    & skf18("8","6","7","1","3","9","1") = "8"
    & skf18("8","6","7","1","3","10","1") = "9"
    & skf18("8","6","7","1","4","1","1") = "7"
    & skf18("8","6","7","1","4","2","1") = "7"
    & skf18("8","6","7","1","4","3","1") = "7"
    & skf18("8","6","7","1","4","4","1") = "7"
    & skf18("8","6","7","1","4","5","1") = "7"
    & skf18("8","6","7","1","4","6","1") = "7"
    & skf18("8","6","7","1","4","7","1") = "7"
    & skf18("8","6","7","1","4","8","1") = "7"
    & skf18("8","6","7","1","4","9","1") = "8"
    & skf18("8","6","7","1","4","10","1") = "9"
    & skf18("8","6","7","1","5","1","1") = "7"
    & skf18("8","6","7","1","5","2","1") = "7"
    & skf18("8","6","7","1","5","3","1") = "7"
    & skf18("8","6","7","1","5","4","1") = "7"
    & skf18("8","6","7","1","5","5","1") = "7"
    & skf18("8","6","7","1","5","6","1") = "7"
    & skf18("8","6","7","1","5","7","1") = "7"
    & skf18("8","6","7","1","5","8","1") = "7"
    & skf18("8","6","7","1","5","9","1") = "8"
    & skf18("8","6","7","1","5","10","1") = "9"
    & skf18("8","6","7","1","6","1","1") = "7"
    & skf18("8","6","7","1","6","2","1") = "7"
    & skf18("8","6","7","1","6","3","1") = "7"
    & skf18("8","6","7","1","6","4","1") = "7"
    & skf18("8","6","7","1","6","5","1") = "7"
    & skf18("8","6","7","1","6","6","1") = "7"
    & skf18("8","6","7","1","6","7","1") = "7"
    & skf18("8","6","7","1","6","8","1") = "7"
    & skf18("8","6","7","1","6","9","1") = "8"
    & skf18("8","6","7","1","6","10","1") = "9"
    & skf18("8","6","7","1","7","1","1") = "7"
    & skf18("8","6","7","1","7","2","1") = "7"
    & skf18("8","6","7","1","7","3","1") = "7"
    & skf18("8","6","7","1","7","4","1") = "7"
    & skf18("8","6","7","1","7","5","1") = "7"
    & skf18("8","6","7","1","7","6","1") = "7"
    & skf18("8","6","7","1","7","7","1") = "7"
    & skf18("8","6","7","1","7","8","1") = "7"
    & skf18("8","6","7","1","7","9","1") = "8"
    & skf18("8","6","7","1","7","10","1") = "9"
    & skf18("8","6","7","1","8","1","1") = "7"
    & skf18("8","6","7","1","8","2","1") = "7"
    & skf18("8","6","7","1","8","3","1") = "7"
    & skf18("8","6","7","1","8","4","1") = "7"
    & skf18("8","6","7","1","8","5","1") = "7"
    & skf18("8","6","7","1","8","6","1") = "7"
    & skf18("8","6","7","1","8","7","1") = "7"
    & skf18("8","6","7","1","8","8","1") = "7"
    & skf18("8","6","7","1","8","9","1") = "8"
    & skf18("8","6","7","1","8","10","1") = "9"
    & skf18("8","6","7","1","9","1","1") = "8"
    & skf18("8","6","7","1","9","2","1") = "8"
    & skf18("8","6","7","1","9","3","1") = "8"
    & skf18("8","6","7","1","9","4","1") = "8"
    & skf18("8","6","7","1","9","5","1") = "8"
    & skf18("8","6","7","1","9","6","1") = "8"
    & skf18("8","6","7","1","9","7","1") = "8"
    & skf18("8","6","7","1","9","8","1") = "8"
    & skf18("8","6","7","1","9","9","1") = "8"
    & skf18("8","6","7","1","9","10","1") = "9"
    & skf18("8","6","7","1","10","1","1") = "9"
    & skf18("8","6","7","1","10","2","1") = "9"
    & skf18("8","6","7","1","10","3","1") = "9"
    & skf18("8","6","7","1","10","4","1") = "9"
    & skf18("8","6","7","1","10","5","1") = "9"
    & skf18("8","6","7","1","10","6","1") = "9"
    & skf18("8","6","7","1","10","7","1") = "9"
    & skf18("8","6","7","1","10","8","1") = "9"
    & skf18("8","6","7","1","10","9","1") = "9"
    & skf18("8","6","7","1","10","10","1") = "9"
    & skf18("8","6","7","2","1","1","1") = "7"
    & skf18("8","6","7","2","1","2","1") = "7"
    & skf18("8","6","7","2","1","3","1") = "7"
    & skf18("8","6","7","2","1","4","1") = "7"
    & skf18("8","6","7","2","1","5","1") = "7"
    & skf18("8","6","7","2","1","6","1") = "7"
    & skf18("8","6","7","2","1","7","1") = "7"
    & skf18("8","6","7","2","1","8","1") = "7"
    & skf18("8","6","7","2","1","9","1") = "8"
    & skf18("8","6","7","2","1","10","1") = "9"
    & skf18("8","6","7","2","2","1","1") = "7"
    & skf18("8","6","7","2","2","2","1") = "7"
    & skf18("8","6","7","2","2","3","1") = "7"
    & skf18("8","6","7","2","2","4","1") = "7"
    & skf18("8","6","7","2","2","5","1") = "7"
    & skf18("8","6","7","2","2","6","1") = "7"
    & skf18("8","6","7","2","2","7","1") = "7"
    & skf18("8","6","7","2","2","8","1") = "7"
    & skf18("8","6","7","2","2","9","1") = "8"
    & skf18("8","6","7","2","2","10","1") = "9"
    & skf18("8","6","7","2","3","1","1") = "7"
    & skf18("8","6","7","2","3","2","1") = "7"
    & skf18("8","6","7","2","3","3","1") = "7"
    & skf18("8","6","7","2","3","4","1") = "7"
    & skf18("8","6","7","2","3","5","1") = "7"
    & skf18("8","6","7","2","3","6","1") = "7"
    & skf18("8","6","7","2","3","7","1") = "7"
    & skf18("8","6","7","2","3","8","1") = "7"
    & skf18("8","6","7","2","3","9","1") = "8"
    & skf18("8","6","7","2","3","10","1") = "9"
    & skf18("8","6","7","2","4","1","1") = "7"
    & skf18("8","6","7","2","4","2","1") = "7"
    & skf18("8","6","7","2","4","3","1") = "7"
    & skf18("8","6","7","2","4","4","1") = "7"
    & skf18("8","6","7","2","4","5","1") = "7"
    & skf18("8","6","7","2","4","6","1") = "7"
    & skf18("8","6","7","2","4","7","1") = "7"
    & skf18("8","6","7","2","4","8","1") = "7"
    & skf18("8","6","7","2","4","9","1") = "8"
    & skf18("8","6","7","2","4","10","1") = "9"
    & skf18("8","6","7","2","5","1","1") = "7"
    & skf18("8","6","7","2","5","2","1") = "7"
    & skf18("8","6","7","2","5","3","1") = "7"
    & skf18("8","6","7","2","5","4","1") = "7"
    & skf18("8","6","7","2","5","5","1") = "7"
    & skf18("8","6","7","2","5","6","1") = "7"
    & skf18("8","6","7","2","5","7","1") = "7"
    & skf18("8","6","7","2","5","8","1") = "7"
    & skf18("8","6","7","2","5","9","1") = "8"
    & skf18("8","6","7","2","5","10","1") = "9"
    & skf18("8","6","7","2","6","1","1") = "7"
    & skf18("8","6","7","2","6","2","1") = "7"
    & skf18("8","6","7","2","6","3","1") = "7"
    & skf18("8","6","7","2","6","4","1") = "7"
    & skf18("8","6","7","2","6","5","1") = "7"
    & skf18("8","6","7","2","6","6","1") = "7"
    & skf18("8","6","7","2","6","7","1") = "7"
    & skf18("8","6","7","2","6","8","1") = "7"
    & skf18("8","6","7","2","6","9","1") = "8"
    & skf18("8","6","7","2","6","10","1") = "9"
    & skf18("8","6","7","2","7","1","1") = "7"
    & skf18("8","6","7","2","7","2","1") = "7"
    & skf18("8","6","7","2","7","3","1") = "7"
    & skf18("8","6","7","2","7","4","1") = "7"
    & skf18("8","6","7","2","7","5","1") = "7"
    & skf18("8","6","7","2","7","6","1") = "7"
    & skf18("8","6","7","2","7","7","1") = "7"
    & skf18("8","6","7","2","7","8","1") = "7"
    & skf18("8","6","7","2","7","9","1") = "8"
    & skf18("8","6","7","2","7","10","1") = "9"
    & skf18("8","6","7","2","8","1","1") = "7"
    & skf18("8","6","7","2","8","2","1") = "7"
    & skf18("8","6","7","2","8","3","1") = "7"
    & skf18("8","6","7","2","8","4","1") = "7"
    & skf18("8","6","7","2","8","5","1") = "7"
    & skf18("8","6","7","2","8","6","1") = "7"
    & skf18("8","6","7","2","8","7","1") = "7"
    & skf18("8","6","7","2","8","8","1") = "7"
    & skf18("8","6","7","2","8","9","1") = "8"
    & skf18("8","6","7","2","8","10","1") = "9"
    & skf18("8","6","7","2","9","1","1") = "8"
    & skf18("8","6","7","2","9","2","1") = "8"
    & skf18("8","6","7","2","9","3","1") = "8"
    & skf18("8","6","7","2","9","4","1") = "8"
    & skf18("8","6","7","2","9","5","1") = "8"
    & skf18("8","6","7","2","9","6","1") = "8"
    & skf18("8","6","7","2","9","7","1") = "8"
    & skf18("8","6","7","2","9","8","1") = "8"
    & skf18("8","6","7","2","9","9","1") = "8"
    & skf18("8","6","7","2","9","10","1") = "9"
    & skf18("8","6","7","2","10","1","1") = "9"
    & skf18("8","6","7","2","10","2","1") = "9"
    & skf18("8","6","7","2","10","3","1") = "9"
    & skf18("8","6","7","2","10","4","1") = "9"
    & skf18("8","6","7","2","10","5","1") = "9"
    & skf18("8","6","7","2","10","6","1") = "9"
    & skf18("8","6","7","2","10","7","1") = "9"
    & skf18("8","6","7","2","10","8","1") = "9"
    & skf18("8","6","7","2","10","9","1") = "9"
    & skf18("8","6","7","2","10","10","1") = "9"
    & skf18("8","6","7","3","1","1","1") = "7"
    & skf18("8","6","7","3","1","2","1") = "7"
    & skf18("8","6","7","3","1","3","1") = "7"
    & skf18("8","6","7","3","1","4","1") = "7"
    & skf18("8","6","7","3","1","5","1") = "7"
    & skf18("8","6","7","3","1","6","1") = "7"
    & skf18("8","6","7","3","1","7","1") = "7"
    & skf18("8","6","7","3","1","8","1") = "7"
    & skf18("8","6","7","3","1","9","1") = "8"
    & skf18("8","6","7","3","1","10","1") = "9"
    & skf18("8","6","7","3","2","1","1") = "7"
    & skf18("8","6","7","3","2","2","1") = "7"
    & skf18("8","6","7","3","2","3","1") = "7"
    & skf18("8","6","7","3","2","4","1") = "7"
    & skf18("8","6","7","3","2","5","1") = "7"
    & skf18("8","6","7","3","2","6","1") = "7"
    & skf18("8","6","7","3","2","7","1") = "7"
    & skf18("8","6","7","3","2","8","1") = "7"
    & skf18("8","6","7","3","2","9","1") = "8"
    & skf18("8","6","7","3","2","10","1") = "9"
    & skf18("8","6","7","3","3","1","1") = "7"
    & skf18("8","6","7","3","3","2","1") = "7"
    & skf18("8","6","7","3","3","3","1") = "7"
    & skf18("8","6","7","3","3","4","1") = "7"
    & skf18("8","6","7","3","3","5","1") = "7"
    & skf18("8","6","7","3","3","6","1") = "7"
    & skf18("8","6","7","3","3","7","1") = "7"
    & skf18("8","6","7","3","3","8","1") = "7"
    & skf18("8","6","7","3","3","9","1") = "8"
    & skf18("8","6","7","3","3","10","1") = "9"
    & skf18("8","6","7","3","4","1","1") = "7"
    & skf18("8","6","7","3","4","2","1") = "7"
    & skf18("8","6","7","3","4","3","1") = "7"
    & skf18("8","6","7","3","4","4","1") = "7"
    & skf18("8","6","7","3","4","5","1") = "7"
    & skf18("8","6","7","3","4","6","1") = "7"
    & skf18("8","6","7","3","4","7","1") = "7"
    & skf18("8","6","7","3","4","8","1") = "7"
    & skf18("8","6","7","3","4","9","1") = "8"
    & skf18("8","6","7","3","4","10","1") = "9"
    & skf18("8","6","7","3","5","1","1") = "7"
    & skf18("8","6","7","3","5","2","1") = "7"
    & skf18("8","6","7","3","5","3","1") = "7"
    & skf18("8","6","7","3","5","4","1") = "7"
    & skf18("8","6","7","3","5","5","1") = "7"
    & skf18("8","6","7","3","5","6","1") = "7"
    & skf18("8","6","7","3","5","7","1") = "7"
    & skf18("8","6","7","3","5","8","1") = "7"
    & skf18("8","6","7","3","5","9","1") = "8"
    & skf18("8","6","7","3","5","10","1") = "9"
    & skf18("8","6","7","3","6","1","1") = "7"
    & skf18("8","6","7","3","6","2","1") = "7"
    & skf18("8","6","7","3","6","3","1") = "7"
    & skf18("8","6","7","3","6","4","1") = "7"
    & skf18("8","6","7","3","6","5","1") = "7"
    & skf18("8","6","7","3","6","6","1") = "7"
    & skf18("8","6","7","3","6","7","1") = "7"
    & skf18("8","6","7","3","6","8","1") = "7"
    & skf18("8","6","7","3","6","9","1") = "8"
    & skf18("8","6","7","3","6","10","1") = "9"
    & skf18("8","6","7","3","7","1","1") = "7"
    & skf18("8","6","7","3","7","2","1") = "7"
    & skf18("8","6","7","3","7","3","1") = "7"
    & skf18("8","6","7","3","7","4","1") = "7"
    & skf18("8","6","7","3","7","5","1") = "7"
    & skf18("8","6","7","3","7","6","1") = "7"
    & skf18("8","6","7","3","7","7","1") = "7"
    & skf18("8","6","7","3","7","8","1") = "7"
    & skf18("8","6","7","3","7","9","1") = "8"
    & skf18("8","6","7","3","7","10","1") = "9"
    & skf18("8","6","7","3","8","1","1") = "7"
    & skf18("8","6","7","3","8","2","1") = "7"
    & skf18("8","6","7","3","8","3","1") = "7"
    & skf18("8","6","7","3","8","4","1") = "7"
    & skf18("8","6","7","3","8","5","1") = "7"
    & skf18("8","6","7","3","8","6","1") = "7"
    & skf18("8","6","7","3","8","7","1") = "7"
    & skf18("8","6","7","3","8","8","1") = "7"
    & skf18("8","6","7","3","8","9","1") = "8"
    & skf18("8","6","7","3","8","10","1") = "9"
    & skf18("8","6","7","3","9","1","1") = "8"
    & skf18("8","6","7","3","9","2","1") = "8"
    & skf18("8","6","7","3","9","3","1") = "8"
    & skf18("8","6","7","3","9","4","1") = "8"
    & skf18("8","6","7","3","9","5","1") = "8"
    & skf18("8","6","7","3","9","6","1") = "8"
    & skf18("8","6","7","3","9","7","1") = "8"
    & skf18("8","6","7","3","9","8","1") = "8"
    & skf18("8","6","7","3","9","9","1") = "8"
    & skf18("8","6","7","3","9","10","1") = "9"
    & skf18("8","6","7","3","10","1","1") = "9"
    & skf18("8","6","7","3","10","2","1") = "9"
    & skf18("8","6","7","3","10","3","1") = "9"
    & skf18("8","6","7","3","10","4","1") = "9"
    & skf18("8","6","7","3","10","5","1") = "9"
    & skf18("8","6","7","3","10","6","1") = "9"
    & skf18("8","6","7","3","10","7","1") = "9"
    & skf18("8","6","7","3","10","8","1") = "9"
    & skf18("8","6","7","3","10","9","1") = "9"
    & skf18("8","6","7","3","10","10","1") = "9"
    & skf18("8","6","7","4","1","1","1") = "7"
    & skf18("8","6","7","4","1","2","1") = "7"
    & skf18("8","6","7","4","1","3","1") = "7"
    & skf18("8","6","7","4","1","4","1") = "7"
    & skf18("8","6","7","4","1","5","1") = "7"
    & skf18("8","6","7","4","1","6","1") = "7"
    & skf18("8","6","7","4","1","7","1") = "7"
    & skf18("8","6","7","4","1","8","1") = "7"
    & skf18("8","6","7","4","1","9","1") = "8"
    & skf18("8","6","7","4","1","10","1") = "9"
    & skf18("8","6","7","4","2","1","1") = "7"
    & skf18("8","6","7","4","2","2","1") = "7"
    & skf18("8","6","7","4","2","3","1") = "7"
    & skf18("8","6","7","4","2","4","1") = "7"
    & skf18("8","6","7","4","2","5","1") = "7"
    & skf18("8","6","7","4","2","6","1") = "7"
    & skf18("8","6","7","4","2","7","1") = "7"
    & skf18("8","6","7","4","2","8","1") = "7"
    & skf18("8","6","7","4","2","9","1") = "8"
    & skf18("8","6","7","4","2","10","1") = "9"
    & skf18("8","6","7","4","3","1","1") = "7"
    & skf18("8","6","7","4","3","2","1") = "7"
    & skf18("8","6","7","4","3","3","1") = "7"
    & skf18("8","6","7","4","3","4","1") = "7"
    & skf18("8","6","7","4","3","5","1") = "7"
    & skf18("8","6","7","4","3","6","1") = "7"
    & skf18("8","6","7","4","3","7","1") = "7"
    & skf18("8","6","7","4","3","8","1") = "7"
    & skf18("8","6","7","4","3","9","1") = "8"
    & skf18("8","6","7","4","3","10","1") = "9"
    & skf18("8","6","7","4","4","1","1") = "7"
    & skf18("8","6","7","4","4","2","1") = "7"
    & skf18("8","6","7","4","4","3","1") = "7"
    & skf18("8","6","7","4","4","4","1") = "7"
    & skf18("8","6","7","4","4","5","1") = "7"
    & skf18("8","6","7","4","4","6","1") = "7"
    & skf18("8","6","7","4","4","7","1") = "7"
    & skf18("8","6","7","4","4","8","1") = "7"
    & skf18("8","6","7","4","4","9","1") = "8"
    & skf18("8","6","7","4","4","10","1") = "9"
    & skf18("8","6","7","4","5","1","1") = "7"
    & skf18("8","6","7","4","5","2","1") = "7"
    & skf18("8","6","7","4","5","3","1") = "7"
    & skf18("8","6","7","4","5","4","1") = "7"
    & skf18("8","6","7","4","5","5","1") = "7"
    & skf18("8","6","7","4","5","6","1") = "7"
    & skf18("8","6","7","4","5","7","1") = "7"
    & skf18("8","6","7","4","5","8","1") = "7"
    & skf18("8","6","7","4","5","9","1") = "8"
    & skf18("8","6","7","4","5","10","1") = "9"
    & skf18("8","6","7","4","6","1","1") = "7"
    & skf18("8","6","7","4","6","2","1") = "7"
    & skf18("8","6","7","4","6","3","1") = "7"
    & skf18("8","6","7","4","6","4","1") = "7"
    & skf18("8","6","7","4","6","5","1") = "7"
    & skf18("8","6","7","4","6","6","1") = "7"
    & skf18("8","6","7","4","6","7","1") = "7"
    & skf18("8","6","7","4","6","8","1") = "7"
    & skf18("8","6","7","4","6","9","1") = "8"
    & skf18("8","6","7","4","6","10","1") = "9"
    & skf18("8","6","7","4","7","1","1") = "7"
    & skf18("8","6","7","4","7","2","1") = "7"
    & skf18("8","6","7","4","7","3","1") = "7"
    & skf18("8","6","7","4","7","4","1") = "7"
    & skf18("8","6","7","4","7","5","1") = "7"
    & skf18("8","6","7","4","7","6","1") = "7"
    & skf18("8","6","7","4","7","7","1") = "7"
    & skf18("8","6","7","4","7","8","1") = "7"
    & skf18("8","6","7","4","7","9","1") = "8"
    & skf18("8","6","7","4","7","10","1") = "9"
    & skf18("8","6","7","4","8","1","1") = "7"
    & skf18("8","6","7","4","8","2","1") = "7"
    & skf18("8","6","7","4","8","3","1") = "7"
    & skf18("8","6","7","4","8","4","1") = "7"
    & skf18("8","6","7","4","8","5","1") = "7"
    & skf18("8","6","7","4","8","6","1") = "7"
    & skf18("8","6","7","4","8","7","1") = "7"
    & skf18("8","6","7","4","8","8","1") = "7"
    & skf18("8","6","7","4","8","9","1") = "8"
    & skf18("8","6","7","4","8","10","1") = "9"
    & skf18("8","6","7","4","9","1","1") = "8"
    & skf18("8","6","7","4","9","2","1") = "8"
    & skf18("8","6","7","4","9","3","1") = "8"
    & skf18("8","6","7","4","9","4","1") = "8"
    & skf18("8","6","7","4","9","5","1") = "8"
    & skf18("8","6","7","4","9","6","1") = "8"
    & skf18("8","6","7","4","9","7","1") = "8"
    & skf18("8","6","7","4","9","8","1") = "8"
    & skf18("8","6","7","4","9","9","1") = "8"
    & skf18("8","6","7","4","9","10","1") = "9"
    & skf18("8","6","7","4","10","1","1") = "9"
    & skf18("8","6","7","4","10","2","1") = "9"
    & skf18("8","6","7","4","10","3","1") = "9"
    & skf18("8","6","7","4","10","4","1") = "9"
    & skf18("8","6","7","4","10","5","1") = "9"
    & skf18("8","6","7","4","10","6","1") = "9"
    & skf18("8","6","7","4","10","7","1") = "9"
    & skf18("8","6","7","4","10","8","1") = "9"
    & skf18("8","6","7","4","10","9","1") = "9"
    & skf18("8","6","7","4","10","10","1") = "9"
    & skf18("8","6","7","5","1","1","1") = "7"
    & skf18("8","6","7","5","1","2","1") = "7"
    & skf18("8","6","7","5","1","3","1") = "7"
    & skf18("8","6","7","5","1","4","1") = "7"
    & skf18("8","6","7","5","1","5","1") = "7"
    & skf18("8","6","7","5","1","6","1") = "7"
    & skf18("8","6","7","5","1","7","1") = "7"
    & skf18("8","6","7","5","1","8","1") = "7"
    & skf18("8","6","7","5","1","9","1") = "8"
    & skf18("8","6","7","5","1","10","1") = "9"
    & skf18("8","6","7","5","2","1","1") = "7"
    & skf18("8","6","7","5","2","2","1") = "7"
    & skf18("8","6","7","5","2","3","1") = "7"
    & skf18("8","6","7","5","2","4","1") = "7"
    & skf18("8","6","7","5","2","5","1") = "7"
    & skf18("8","6","7","5","2","6","1") = "7"
    & skf18("8","6","7","5","2","7","1") = "7"
    & skf18("8","6","7","5","2","8","1") = "7"
    & skf18("8","6","7","5","2","9","1") = "8"
    & skf18("8","6","7","5","2","10","1") = "9"
    & skf18("8","6","7","5","3","1","1") = "7"
    & skf18("8","6","7","5","3","2","1") = "7"
    & skf18("8","6","7","5","3","3","1") = "7"
    & skf18("8","6","7","5","3","4","1") = "7"
    & skf18("8","6","7","5","3","5","1") = "7"
    & skf18("8","6","7","5","3","6","1") = "7"
    & skf18("8","6","7","5","3","7","1") = "7"
    & skf18("8","6","7","5","3","8","1") = "7"
    & skf18("8","6","7","5","3","9","1") = "8"
    & skf18("8","6","7","5","3","10","1") = "9"
    & skf18("8","6","7","5","4","1","1") = "7"
    & skf18("8","6","7","5","4","2","1") = "7"
    & skf18("8","6","7","5","4","3","1") = "7"
    & skf18("8","6","7","5","4","4","1") = "7"
    & skf18("8","6","7","5","4","5","1") = "7"
    & skf18("8","6","7","5","4","6","1") = "7"
    & skf18("8","6","7","5","4","7","1") = "7"
    & skf18("8","6","7","5","4","8","1") = "7"
    & skf18("8","6","7","5","4","9","1") = "8"
    & skf18("8","6","7","5","4","10","1") = "9"
    & skf18("8","6","7","5","5","1","1") = "7"
    & skf18("8","6","7","5","5","2","1") = "7"
    & skf18("8","6","7","5","5","3","1") = "7"
    & skf18("8","6","7","5","5","4","1") = "7"
    & skf18("8","6","7","5","5","5","1") = "7"
    & skf18("8","6","7","5","5","6","1") = "7"
    & skf18("8","6","7","5","5","7","1") = "7"
    & skf18("8","6","7","5","5","8","1") = "7"
    & skf18("8","6","7","5","5","9","1") = "8"
    & skf18("8","6","7","5","5","10","1") = "9"
    & skf18("8","6","7","5","6","1","1") = "7"
    & skf18("8","6","7","5","6","2","1") = "7"
    & skf18("8","6","7","5","6","3","1") = "7"
    & skf18("8","6","7","5","6","4","1") = "7"
    & skf18("8","6","7","5","6","5","1") = "7"
    & skf18("8","6","7","5","6","6","1") = "7"
    & skf18("8","6","7","5","6","7","1") = "7"
    & skf18("8","6","7","5","6","8","1") = "7"
    & skf18("8","6","7","5","6","9","1") = "8"
    & skf18("8","6","7","5","6","10","1") = "9"
    & skf18("8","6","7","5","7","1","1") = "7"
    & skf18("8","6","7","5","7","2","1") = "7"
    & skf18("8","6","7","5","7","3","1") = "7"
    & skf18("8","6","7","5","7","4","1") = "7"
    & skf18("8","6","7","5","7","5","1") = "7"
    & skf18("8","6","7","5","7","6","1") = "7"
    & skf18("8","6","7","5","7","7","1") = "7"
    & skf18("8","6","7","5","7","8","1") = "7"
    & skf18("8","6","7","5","7","9","1") = "8"
    & skf18("8","6","7","5","7","10","1") = "9"
    & skf18("8","6","7","5","8","1","1") = "7"
    & skf18("8","6","7","5","8","2","1") = "7"
    & skf18("8","6","7","5","8","3","1") = "7"
    & skf18("8","6","7","5","8","4","1") = "7"
    & skf18("8","6","7","5","8","5","1") = "7"
    & skf18("8","6","7","5","8","6","1") = "7"
    & skf18("8","6","7","5","8","7","1") = "7"
    & skf18("8","6","7","5","8","8","1") = "7"
    & skf18("8","6","7","5","8","9","1") = "8"
    & skf18("8","6","7","5","8","10","1") = "9"
    & skf18("8","6","7","5","9","1","1") = "8"
    & skf18("8","6","7","5","9","2","1") = "8"
    & skf18("8","6","7","5","9","3","1") = "8"
    & skf18("8","6","7","5","9","4","1") = "8"
    & skf18("8","6","7","5","9","5","1") = "8"
    & skf18("8","6","7","5","9","6","1") = "8"
    & skf18("8","6","7","5","9","7","1") = "8"
    & skf18("8","6","7","5","9","8","1") = "8"
    & skf18("8","6","7","5","9","9","1") = "8"
    & skf18("8","6","7","5","9","10","1") = "9"
    & skf18("8","6","7","5","10","1","1") = "9"
    & skf18("8","6","7","5","10","2","1") = "9"
    & skf18("8","6","7","5","10","3","1") = "9"
    & skf18("8","6","7","5","10","4","1") = "9"
    & skf18("8","6","7","5","10","5","1") = "9"
    & skf18("8","6","7","5","10","6","1") = "9"
    & skf18("8","6","7","5","10","7","1") = "9"
    & skf18("8","6","7","5","10","8","1") = "9"
    & skf18("8","6","7","5","10","9","1") = "9"
    & skf18("8","6","7","5","10","10","1") = "9"
    & skf18("8","6","7","6","1","1","1") = "7"
    & skf18("8","6","7","6","1","2","1") = "7"
    & skf18("8","6","7","6","1","3","1") = "7"
    & skf18("8","6","7","6","1","4","1") = "7"
    & skf18("8","6","7","6","1","5","1") = "7"
    & skf18("8","6","7","6","1","6","1") = "7"
    & skf18("8","6","7","6","1","7","1") = "7"
    & skf18("8","6","7","6","1","8","1") = "7"
    & skf18("8","6","7","6","1","9","1") = "8"
    & skf18("8","6","7","6","1","10","1") = "9"
    & skf18("8","6","7","6","2","1","1") = "7"
    & skf18("8","6","7","6","2","2","1") = "7"
    & skf18("8","6","7","6","2","3","1") = "7"
    & skf18("8","6","7","6","2","4","1") = "7"
    & skf18("8","6","7","6","2","5","1") = "7"
    & skf18("8","6","7","6","2","6","1") = "7"
    & skf18("8","6","7","6","2","7","1") = "7"
    & skf18("8","6","7","6","2","8","1") = "7"
    & skf18("8","6","7","6","2","9","1") = "8"
    & skf18("8","6","7","6","2","10","1") = "9"
    & skf18("8","6","7","6","3","1","1") = "7"
    & skf18("8","6","7","6","3","2","1") = "7"
    & skf18("8","6","7","6","3","3","1") = "7"
    & skf18("8","6","7","6","3","4","1") = "7"
    & skf18("8","6","7","6","3","5","1") = "7"
    & skf18("8","6","7","6","3","6","1") = "7"
    & skf18("8","6","7","6","3","7","1") = "7"
    & skf18("8","6","7","6","3","8","1") = "7"
    & skf18("8","6","7","6","3","9","1") = "8"
    & skf18("8","6","7","6","3","10","1") = "9"
    & skf18("8","6","7","6","4","1","1") = "7"
    & skf18("8","6","7","6","4","2","1") = "7"
    & skf18("8","6","7","6","4","3","1") = "7"
    & skf18("8","6","7","6","4","4","1") = "7"
    & skf18("8","6","7","6","4","5","1") = "7"
    & skf18("8","6","7","6","4","6","1") = "7"
    & skf18("8","6","7","6","4","7","1") = "7"
    & skf18("8","6","7","6","4","8","1") = "7"
    & skf18("8","6","7","6","4","9","1") = "8"
    & skf18("8","6","7","6","4","10","1") = "9"
    & skf18("8","6","7","6","5","1","1") = "7"
    & skf18("8","6","7","6","5","2","1") = "7"
    & skf18("8","6","7","6","5","3","1") = "7"
    & skf18("8","6","7","6","5","4","1") = "7"
    & skf18("8","6","7","6","5","5","1") = "7"
    & skf18("8","6","7","6","5","6","1") = "7"
    & skf18("8","6","7","6","5","7","1") = "7"
    & skf18("8","6","7","6","5","8","1") = "7"
    & skf18("8","6","7","6","5","9","1") = "8"
    & skf18("8","6","7","6","5","10","1") = "9"
    & skf18("8","6","7","6","6","1","1") = "7"
    & skf18("8","6","7","6","6","2","1") = "7"
    & skf18("8","6","7","6","6","3","1") = "7"
    & skf18("8","6","7","6","6","4","1") = "7"
    & skf18("8","6","7","6","6","5","1") = "7"
    & skf18("8","6","7","6","6","6","1") = "7"
    & skf18("8","6","7","6","6","7","1") = "7"
    & skf18("8","6","7","6","6","8","1") = "7"
    & skf18("8","6","7","6","6","9","1") = "8"
    & skf18("8","6","7","6","6","10","1") = "9"
    & skf18("8","6","7","6","7","1","1") = "7"
    & skf18("8","6","7","6","7","2","1") = "7"
    & skf18("8","6","7","6","7","3","1") = "7"
    & skf18("8","6","7","6","7","4","1") = "7"
    & skf18("8","6","7","6","7","5","1") = "7"
    & skf18("8","6","7","6","7","6","1") = "7"
    & skf18("8","6","7","6","7","7","1") = "7"
    & skf18("8","6","7","6","7","8","1") = "7"
    & skf18("8","6","7","6","7","9","1") = "8"
    & skf18("8","6","7","6","7","10","1") = "9"
    & skf18("8","6","7","6","8","1","1") = "7"
    & skf18("8","6","7","6","8","2","1") = "7"
    & skf18("8","6","7","6","8","3","1") = "7"
    & skf18("8","6","7","6","8","4","1") = "7"
    & skf18("8","6","7","6","8","5","1") = "7"
    & skf18("8","6","7","6","8","6","1") = "7"
    & skf18("8","6","7","6","8","7","1") = "7"
    & skf18("8","6","7","6","8","8","1") = "7"
    & skf18("8","6","7","6","8","9","1") = "8"
    & skf18("8","6","7","6","8","10","1") = "9"
    & skf18("8","6","7","6","9","1","1") = "8"
    & skf18("8","6","7","6","9","2","1") = "8"
    & skf18("8","6","7","6","9","3","1") = "8"
    & skf18("8","6","7","6","9","4","1") = "8"
    & skf18("8","6","7","6","9","5","1") = "8"
    & skf18("8","6","7","6","9","6","1") = "8"
    & skf18("8","6","7","6","9","7","1") = "8"
    & skf18("8","6","7","6","9","8","1") = "8"
    & skf18("8","6","7","6","9","9","1") = "8"
    & skf18("8","6","7","6","9","10","1") = "9"
    & skf18("8","6","7","6","10","1","1") = "9"
    & skf18("8","6","7","6","10","2","1") = "9"
    & skf18("8","6","7","6","10","3","1") = "9"
    & skf18("8","6","7","6","10","4","1") = "9"
    & skf18("8","6","7","6","10","5","1") = "9"
    & skf18("8","6","7","6","10","6","1") = "9"
    & skf18("8","6","7","6","10","7","1") = "9"
    & skf18("8","6","7","6","10","8","1") = "9"
    & skf18("8","6","7","6","10","9","1") = "9"
    & skf18("8","6","7","6","10","10","1") = "9"
    & skf18("8","6","7","7","1","1","1") = "7"
    & skf18("8","6","7","7","1","2","1") = "7"
    & skf18("8","6","7","7","1","3","1") = "7"
    & skf18("8","6","7","7","1","4","1") = "7"
    & skf18("8","6","7","7","1","5","1") = "7"
    & skf18("8","6","7","7","1","6","1") = "7"
    & skf18("8","6","7","7","1","7","1") = "7"
    & skf18("8","6","7","7","1","8","1") = "7"
    & skf18("8","6","7","7","1","9","1") = "8"
    & skf18("8","6","7","7","1","10","1") = "9"
    & skf18("8","6","7","7","2","1","1") = "7"
    & skf18("8","6","7","7","2","2","1") = "7"
    & skf18("8","6","7","7","2","3","1") = "7"
    & skf18("8","6","7","7","2","4","1") = "7"
    & skf18("8","6","7","7","2","5","1") = "7"
    & skf18("8","6","7","7","2","6","1") = "7"
    & skf18("8","6","7","7","2","7","1") = "7"
    & skf18("8","6","7","7","2","8","1") = "7"
    & skf18("8","6","7","7","2","9","1") = "8"
    & skf18("8","6","7","7","2","10","1") = "9"
    & skf18("8","6","7","7","3","1","1") = "7"
    & skf18("8","6","7","7","3","2","1") = "7"
    & skf18("8","6","7","7","3","3","1") = "7"
    & skf18("8","6","7","7","3","4","1") = "7"
    & skf18("8","6","7","7","3","5","1") = "7"
    & skf18("8","6","7","7","3","6","1") = "7"
    & skf18("8","6","7","7","3","7","1") = "7"
    & skf18("8","6","7","7","3","8","1") = "7"
    & skf18("8","6","7","7","3","9","1") = "8"
    & skf18("8","6","7","7","3","10","1") = "9"
    & skf18("8","6","7","7","4","1","1") = "7"
    & skf18("8","6","7","7","4","2","1") = "7"
    & skf18("8","6","7","7","4","3","1") = "7"
    & skf18("8","6","7","7","4","4","1") = "7"
    & skf18("8","6","7","7","4","5","1") = "7"
    & skf18("8","6","7","7","4","6","1") = "7"
    & skf18("8","6","7","7","4","7","1") = "7"
    & skf18("8","6","7","7","4","8","1") = "7"
    & skf18("8","6","7","7","4","9","1") = "8"
    & skf18("8","6","7","7","4","10","1") = "9"
    & skf18("8","6","7","7","5","1","1") = "7"
    & skf18("8","6","7","7","5","2","1") = "7"
    & skf18("8","6","7","7","5","3","1") = "7"
    & skf18("8","6","7","7","5","4","1") = "7"
    & skf18("8","6","7","7","5","5","1") = "7"
    & skf18("8","6","7","7","5","6","1") = "7"
    & skf18("8","6","7","7","5","7","1") = "7"
    & skf18("8","6","7","7","5","8","1") = "7"
    & skf18("8","6","7","7","5","9","1") = "8"
    & skf18("8","6","7","7","5","10","1") = "9"
    & skf18("8","6","7","7","6","1","1") = "7"
    & skf18("8","6","7","7","6","2","1") = "7"
    & skf18("8","6","7","7","6","3","1") = "7"
    & skf18("8","6","7","7","6","4","1") = "7"
    & skf18("8","6","7","7","6","5","1") = "7"
    & skf18("8","6","7","7","6","6","1") = "7"
    & skf18("8","6","7","7","6","7","1") = "7"
    & skf18("8","6","7","7","6","8","1") = "7"
    & skf18("8","6","7","7","6","9","1") = "8"
    & skf18("8","6","7","7","6","10","1") = "9"
    & skf18("8","6","7","7","7","1","1") = "7"
    & skf18("8","6","7","7","7","2","1") = "7"
    & skf18("8","6","7","7","7","3","1") = "7"
    & skf18("8","6","7","7","7","4","1") = "7"
    & skf18("8","6","7","7","7","5","1") = "7"
    & skf18("8","6","7","7","7","6","1") = "7"
    & skf18("8","6","7","7","7","7","1") = "7"
    & skf18("8","6","7","7","7","8","1") = "7"
    & skf18("8","6","7","7","7","9","1") = "8"
    & skf18("8","6","7","7","7","10","1") = "9"
    & skf18("8","6","7","7","8","1","1") = "7"
    & skf18("8","6","7","7","8","2","1") = "7"
    & skf18("8","6","7","7","8","3","1") = "7"
    & skf18("8","6","7","7","8","4","1") = "7"
    & skf18("8","6","7","7","8","5","1") = "7"
    & skf18("8","6","7","7","8","6","1") = "7"
    & skf18("8","6","7","7","8","7","1") = "7"
    & skf18("8","6","7","7","8","8","1") = "7"
    & skf18("8","6","7","7","8","9","1") = "8"
    & skf18("8","6","7","7","8","10","1") = "9"
    & skf18("8","6","7","7","9","1","1") = "8"
    & skf18("8","6","7","7","9","2","1") = "8"
    & skf18("8","6","7","7","9","3","1") = "8"
    & skf18("8","6","7","7","9","4","1") = "8"
    & skf18("8","6","7","7","9","5","1") = "8"
    & skf18("8","6","7","7","9","6","1") = "8"
    & skf18("8","6","7","7","9","7","1") = "8"
    & skf18("8","6","7","7","9","8","1") = "8"
    & skf18("8","6","7","7","9","9","1") = "8"
    & skf18("8","6","7","7","9","10","1") = "9"
    & skf18("8","6","7","7","10","1","1") = "9"
    & skf18("8","6","7","7","10","2","1") = "9"
    & skf18("8","6","7","7","10","3","1") = "9"
    & skf18("8","6","7","7","10","4","1") = "9"
    & skf18("8","6","7","7","10","5","1") = "9"
    & skf18("8","6","7","7","10","6","1") = "9"
    & skf18("8","6","7","7","10","7","1") = "9"
    & skf18("8","6","7","7","10","8","1") = "9"
    & skf18("8","6","7","7","10","9","1") = "9"
    & skf18("8","6","7","7","10","10","1") = "9"
    & skf18("8","6","7","8","1","1","1") = "7"
    & skf18("8","6","7","8","1","2","1") = "7"
    & skf18("8","6","7","8","1","3","1") = "7"
    & skf18("8","6","7","8","1","4","1") = "7"
    & skf18("8","6","7","8","1","5","1") = "7"
    & skf18("8","6","7","8","1","6","1") = "7"
    & skf18("8","6","7","8","1","7","1") = "7"
    & skf18("8","6","7","8","1","8","1") = "7"
    & skf18("8","6","7","8","1","9","1") = "8"
    & skf18("8","6","7","8","1","10","1") = "9"
    & skf18("8","6","7","8","2","1","1") = "7"
    & skf18("8","6","7","8","2","2","1") = "7"
    & skf18("8","6","7","8","2","3","1") = "7"
    & skf18("8","6","7","8","2","4","1") = "7"
    & skf18("8","6","7","8","2","5","1") = "7"
    & skf18("8","6","7","8","2","6","1") = "7"
    & skf18("8","6","7","8","2","7","1") = "7"
    & skf18("8","6","7","8","2","8","1") = "7"
    & skf18("8","6","7","8","2","9","1") = "8"
    & skf18("8","6","7","8","2","10","1") = "9"
    & skf18("8","6","7","8","3","1","1") = "7"
    & skf18("8","6","7","8","3","2","1") = "7"
    & skf18("8","6","7","8","3","3","1") = "7"
    & skf18("8","6","7","8","3","4","1") = "7"
    & skf18("8","6","7","8","3","5","1") = "7"
    & skf18("8","6","7","8","3","6","1") = "7"
    & skf18("8","6","7","8","3","7","1") = "7"
    & skf18("8","6","7","8","3","8","1") = "7"
    & skf18("8","6","7","8","3","9","1") = "8"
    & skf18("8","6","7","8","3","10","1") = "9"
    & skf18("8","6","7","8","4","1","1") = "7"
    & skf18("8","6","7","8","4","2","1") = "7"
    & skf18("8","6","7","8","4","3","1") = "7"
    & skf18("8","6","7","8","4","4","1") = "7"
    & skf18("8","6","7","8","4","5","1") = "7"
    & skf18("8","6","7","8","4","6","1") = "7"
    & skf18("8","6","7","8","4","7","1") = "7"
    & skf18("8","6","7","8","4","8","1") = "7"
    & skf18("8","6","7","8","4","9","1") = "8"
    & skf18("8","6","7","8","4","10","1") = "9"
    & skf18("8","6","7","8","5","1","1") = "7"
    & skf18("8","6","7","8","5","2","1") = "7"
    & skf18("8","6","7","8","5","3","1") = "7"
    & skf18("8","6","7","8","5","4","1") = "7"
    & skf18("8","6","7","8","5","5","1") = "7"
    & skf18("8","6","7","8","5","6","1") = "7"
    & skf18("8","6","7","8","5","7","1") = "7"
    & skf18("8","6","7","8","5","8","1") = "7"
    & skf18("8","6","7","8","5","9","1") = "8"
    & skf18("8","6","7","8","5","10","1") = "9"
    & skf18("8","6","7","8","6","1","1") = "7"
    & skf18("8","6","7","8","6","2","1") = "7"
    & skf18("8","6","7","8","6","3","1") = "7"
    & skf18("8","6","7","8","6","4","1") = "7"
    & skf18("8","6","7","8","6","5","1") = "7"
    & skf18("8","6","7","8","6","6","1") = "7"
    & skf18("8","6","7","8","6","7","1") = "7"
    & skf18("8","6","7","8","6","8","1") = "7"
    & skf18("8","6","7","8","6","9","1") = "8"
    & skf18("8","6","7","8","6","10","1") = "9"
    & skf18("8","6","7","8","7","1","1") = "7"
    & skf18("8","6","7","8","7","2","1") = "7"
    & skf18("8","6","7","8","7","3","1") = "7"
    & skf18("8","6","7","8","7","4","1") = "7"
    & skf18("8","6","7","8","7","5","1") = "7"
    & skf18("8","6","7","8","7","6","1") = "7"
    & skf18("8","6","7","8","7","7","1") = "7"
    & skf18("8","6","7","8","7","8","1") = "7"
    & skf18("8","6","7","8","7","9","1") = "8"
    & skf18("8","6","7","8","7","10","1") = "9"
    & skf18("8","6","7","8","8","1","1") = "7"
    & skf18("8","6","7","8","8","2","1") = "7"
    & skf18("8","6","7","8","8","3","1") = "7"
    & skf18("8","6","7","8","8","4","1") = "7"
    & skf18("8","6","7","8","8","5","1") = "7"
    & skf18("8","6","7","8","8","6","1") = "7"
    & skf18("8","6","7","8","8","7","1") = "7"
    & skf18("8","6","7","8","8","8","1") = "7"
    & skf18("8","6","7","8","8","9","1") = "8"
    & skf18("8","6","7","8","8","10","1") = "9"
    & skf18("8","6","7","8","9","1","1") = "8"
    & skf18("8","6","7","8","9","2","1") = "8"
    & skf18("8","6","7","8","9","3","1") = "8"
    & skf18("8","6","7","8","9","4","1") = "8"
    & skf18("8","6","7","8","9","5","1") = "8"
    & skf18("8","6","7","8","9","6","1") = "8"
    & skf18("8","6","7","8","9","7","1") = "8"
    & skf18("8","6","7","8","9","8","1") = "8"
    & skf18("8","6","7","8","9","9","1") = "8"
    & skf18("8","6","7","8","9","10","1") = "9"
    & skf18("8","6","7","8","10","1","1") = "9"
    & skf18("8","6","7","8","10","2","1") = "9"
    & skf18("8","6","7","8","10","3","1") = "9"
    & skf18("8","6","7","8","10","4","1") = "9"
    & skf18("8","6","7","8","10","5","1") = "9"
    & skf18("8","6","7","8","10","6","1") = "9"
    & skf18("8","6","7","8","10","7","1") = "9"
    & skf18("8","6","7","8","10","8","1") = "9"
    & skf18("8","6","7","8","10","9","1") = "9"
    & skf18("8","6","7","8","10","10","1") = "9"
    & skf18("8","6","7","9","1","1","1") = "8"
    & skf18("8","6","7","9","1","2","1") = "8"
    & skf18("8","6","7","9","1","3","1") = "8"
    & skf18("8","6","7","9","1","4","1") = "8"
    & skf18("8","6","7","9","1","5","1") = "8"
    & skf18("8","6","7","9","1","6","1") = "8"
    & skf18("8","6","7","9","1","7","1") = "8"
    & skf18("8","6","7","9","1","8","1") = "8"
    & skf18("8","6","7","9","1","9","1") = "8"
    & skf18("8","6","7","9","1","10","1") = "9"
    & skf18("8","6","7","9","2","1","1") = "8"
    & skf18("8","6","7","9","2","2","1") = "8"
    & skf18("8","6","7","9","2","3","1") = "8"
    & skf18("8","6","7","9","2","4","1") = "8"
    & skf18("8","6","7","9","2","5","1") = "8"
    & skf18("8","6","7","9","2","6","1") = "8"
    & skf18("8","6","7","9","2","7","1") = "8"
    & skf18("8","6","7","9","2","8","1") = "8"
    & skf18("8","6","7","9","2","9","1") = "8"
    & skf18("8","6","7","9","2","10","1") = "9"
    & skf18("8","6","7","9","3","1","1") = "8"
    & skf18("8","6","7","9","3","2","1") = "8"
    & skf18("8","6","7","9","3","3","1") = "8"
    & skf18("8","6","7","9","3","4","1") = "8"
    & skf18("8","6","7","9","3","5","1") = "8"
    & skf18("8","6","7","9","3","6","1") = "8"
    & skf18("8","6","7","9","3","7","1") = "8"
    & skf18("8","6","7","9","3","8","1") = "8"
    & skf18("8","6","7","9","3","9","1") = "8"
    & skf18("8","6","7","9","3","10","1") = "9"
    & skf18("8","6","7","9","4","1","1") = "8"
    & skf18("8","6","7","9","4","2","1") = "8"
    & skf18("8","6","7","9","4","3","1") = "8"
    & skf18("8","6","7","9","4","4","1") = "8"
    & skf18("8","6","7","9","4","5","1") = "8"
    & skf18("8","6","7","9","4","6","1") = "8"
    & skf18("8","6","7","9","4","7","1") = "8"
    & skf18("8","6","7","9","4","8","1") = "8"
    & skf18("8","6","7","9","4","9","1") = "8"
    & skf18("8","6","7","9","4","10","1") = "9"
    & skf18("8","6","7","9","5","1","1") = "8"
    & skf18("8","6","7","9","5","2","1") = "8"
    & skf18("8","6","7","9","5","3","1") = "8"
    & skf18("8","6","7","9","5","4","1") = "8"
    & skf18("8","6","7","9","5","5","1") = "8"
    & skf18("8","6","7","9","5","6","1") = "8"
    & skf18("8","6","7","9","5","7","1") = "8"
    & skf18("8","6","7","9","5","8","1") = "8"
    & skf18("8","6","7","9","5","9","1") = "8"
    & skf18("8","6","7","9","5","10","1") = "9"
    & skf18("8","6","7","9","6","1","1") = "8"
    & skf18("8","6","7","9","6","2","1") = "8"
    & skf18("8","6","7","9","6","3","1") = "8"
    & skf18("8","6","7","9","6","4","1") = "8"
    & skf18("8","6","7","9","6","5","1") = "8"
    & skf18("8","6","7","9","6","6","1") = "8"
    & skf18("8","6","7","9","6","7","1") = "8"
    & skf18("8","6","7","9","6","8","1") = "8"
    & skf18("8","6","7","9","6","9","1") = "8"
    & skf18("8","6","7","9","6","10","1") = "9"
    & skf18("8","6","7","9","7","1","1") = "8"
    & skf18("8","6","7","9","7","2","1") = "8"
    & skf18("8","6","7","9","7","3","1") = "8"
    & skf18("8","6","7","9","7","4","1") = "8"
    & skf18("8","6","7","9","7","5","1") = "8"
    & skf18("8","6","7","9","7","6","1") = "8"
    & skf18("8","6","7","9","7","7","1") = "8"
    & skf18("8","6","7","9","7","8","1") = "8"
    & skf18("8","6","7","9","7","9","1") = "8"
    & skf18("8","6","7","9","7","10","1") = "9"
    & skf18("8","6","7","9","8","1","1") = "8"
    & skf18("8","6","7","9","8","2","1") = "8"
    & skf18("8","6","7","9","8","3","1") = "8"
    & skf18("8","6","7","9","8","4","1") = "8"
    & skf18("8","6","7","9","8","5","1") = "8"
    & skf18("8","6","7","9","8","6","1") = "8"
    & skf18("8","6","7","9","8","7","1") = "8"
    & skf18("8","6","7","9","8","8","1") = "8"
    & skf18("8","6","7","9","8","9","1") = "8"
    & skf18("8","6","7","9","8","10","1") = "9"
    & skf18("8","6","7","9","9","1","1") = "8"
    & skf18("8","6","7","9","9","2","1") = "8"
    & skf18("8","6","7","9","9","3","1") = "8"
    & skf18("8","6","7","9","9","4","1") = "8"
    & skf18("8","6","7","9","9","5","1") = "8"
    & skf18("8","6","7","9","9","6","1") = "8"
    & skf18("8","6","7","9","9","7","1") = "8"
    & skf18("8","6","7","9","9","8","1") = "8"
    & skf18("8","6","7","9","9","9","1") = "8"
    & skf18("8","6","7","9","9","10","1") = "9"
    & skf18("8","6","7","9","10","1","1") = "9"
    & skf18("8","6","7","9","10","2","1") = "9"
    & skf18("8","6","7","9","10","3","1") = "9"
    & skf18("8","6","7","9","10","4","1") = "9"
    & skf18("8","6","7","9","10","5","1") = "9"
    & skf18("8","6","7","9","10","6","1") = "9"
    & skf18("8","6","7","9","10","7","1") = "9"
    & skf18("8","6","7","9","10","8","1") = "9"
    & skf18("8","6","7","9","10","9","1") = "9"
    & skf18("8","6","7","9","10","10","1") = "9"
    & skf18("8","6","7","10","1","1","1") = "9"
    & skf18("8","6","7","10","1","2","1") = "9"
    & skf18("8","6","7","10","1","3","1") = "9"
    & skf18("8","6","7","10","1","4","1") = "9"
    & skf18("8","6","7","10","1","5","1") = "9"
    & skf18("8","6","7","10","1","6","1") = "9"
    & skf18("8","6","7","10","1","7","1") = "9"
    & skf18("8","6","7","10","1","8","1") = "9"
    & skf18("8","6","7","10","1","9","1") = "9"
    & skf18("8","6","7","10","1","10","1") = "9"
    & skf18("8","6","7","10","2","1","1") = "9"
    & skf18("8","6","7","10","2","2","1") = "9"
    & skf18("8","6","7","10","2","3","1") = "9"
    & skf18("8","6","7","10","2","4","1") = "9"
    & skf18("8","6","7","10","2","5","1") = "9"
    & skf18("8","6","7","10","2","6","1") = "9"
    & skf18("8","6","7","10","2","7","1") = "9"
    & skf18("8","6","7","10","2","8","1") = "9"
    & skf18("8","6","7","10","2","9","1") = "9"
    & skf18("8","6","7","10","2","10","1") = "9"
    & skf18("8","6","7","10","3","1","1") = "9"
    & skf18("8","6","7","10","3","2","1") = "9"
    & skf18("8","6","7","10","3","3","1") = "9"
    & skf18("8","6","7","10","3","4","1") = "9"
    & skf18("8","6","7","10","3","5","1") = "9"
    & skf18("8","6","7","10","3","6","1") = "9"
    & skf18("8","6","7","10","3","7","1") = "9"
    & skf18("8","6","7","10","3","8","1") = "9"
    & skf18("8","6","7","10","3","9","1") = "9"
    & skf18("8","6","7","10","3","10","1") = "9"
    & skf18("8","6","7","10","4","1","1") = "9"
    & skf18("8","6","7","10","4","2","1") = "9"
    & skf18("8","6","7","10","4","3","1") = "9"
    & skf18("8","6","7","10","4","4","1") = "9"
    & skf18("8","6","7","10","4","5","1") = "9"
    & skf18("8","6","7","10","4","6","1") = "9"
    & skf18("8","6","7","10","4","7","1") = "9"
    & skf18("8","6","7","10","4","8","1") = "9"
    & skf18("8","6","7","10","4","9","1") = "9"
    & skf18("8","6","7","10","4","10","1") = "9"
    & skf18("8","6","7","10","5","1","1") = "9"
    & skf18("8","6","7","10","5","2","1") = "9"
    & skf18("8","6","7","10","5","3","1") = "9"
    & skf18("8","6","7","10","5","4","1") = "9"
    & skf18("8","6","7","10","5","5","1") = "9"
    & skf18("8","6","7","10","5","6","1") = "9"
    & skf18("8","6","7","10","5","7","1") = "9"
    & skf18("8","6","7","10","5","8","1") = "9"
    & skf18("8","6","7","10","5","9","1") = "9"
    & skf18("8","6","7","10","5","10","1") = "9"
    & skf18("8","6","7","10","6","1","1") = "9"
    & skf18("8","6","7","10","6","2","1") = "9"
    & skf18("8","6","7","10","6","3","1") = "9"
    & skf18("8","6","7","10","6","4","1") = "9"
    & skf18("8","6","7","10","6","5","1") = "9"
    & skf18("8","6","7","10","6","6","1") = "9"
    & skf18("8","6","7","10","6","7","1") = "9"
    & skf18("8","6","7","10","6","8","1") = "9"
    & skf18("8","6","7","10","6","9","1") = "9"
    & skf18("8","6","7","10","6","10","1") = "9"
    & skf18("8","6","7","10","7","1","1") = "9"
    & skf18("8","6","7","10","7","2","1") = "9"
    & skf18("8","6","7","10","7","3","1") = "9"
    & skf18("8","6","7","10","7","4","1") = "9"
    & skf18("8","6","7","10","7","5","1") = "9"
    & skf18("8","6","7","10","7","6","1") = "9"
    & skf18("8","6","7","10","7","7","1") = "9"
    & skf18("8","6","7","10","7","8","1") = "9"
    & skf18("8","6","7","10","7","9","1") = "9"
    & skf18("8","6","7","10","7","10","1") = "9"
    & skf18("8","6","7","10","8","1","1") = "9"
    & skf18("8","6","7","10","8","2","1") = "9"
    & skf18("8","6","7","10","8","3","1") = "9"
    & skf18("8","6","7","10","8","4","1") = "9"
    & skf18("8","6","7","10","8","5","1") = "9"
    & skf18("8","6","7","10","8","6","1") = "9"
    & skf18("8","6","7","10","8","7","1") = "9"
    & skf18("8","6","7","10","8","8","1") = "9"
    & skf18("8","6","7","10","8","9","1") = "9"
    & skf18("8","6","7","10","8","10","1") = "9"
    & skf18("8","6","7","10","9","1","1") = "9"
    & skf18("8","6","7","10","9","2","1") = "9"
    & skf18("8","6","7","10","9","3","1") = "9"
    & skf18("8","6","7","10","9","4","1") = "9"
    & skf18("8","6","7","10","9","5","1") = "9"
    & skf18("8","6","7","10","9","6","1") = "9"
    & skf18("8","6","7","10","9","7","1") = "9"
    & skf18("8","6","7","10","9","8","1") = "9"
    & skf18("8","6","7","10","9","9","1") = "9"
    & skf18("8","6","7","10","9","10","1") = "9"
    & skf18("8","6","7","10","10","1","1") = "9"
    & skf18("8","6","7","10","10","2","1") = "9"
    & skf18("8","6","7","10","10","3","1") = "9"
    & skf18("8","6","7","10","10","4","1") = "9"
    & skf18("8","6","7","10","10","5","1") = "9"
    & skf18("8","6","7","10","10","6","1") = "9"
    & skf18("8","6","7","10","10","7","1") = "9"
    & skf18("8","6","7","10","10","8","1") = "9"
    & skf18("8","6","7","10","10","9","1") = "9"
    & skf18("8","6","7","10","10","10","1") = "9"
    & skf18("8","6","8","1","1","1","1") = "7"
    & skf18("8","6","8","1","1","2","1") = "7"
    & skf18("8","6","8","1","1","3","1") = "7"
    & skf18("8","6","8","1","1","4","1") = "7"
    & skf18("8","6","8","1","1","5","1") = "7"
    & skf18("8","6","8","1","1","6","1") = "7"
    & skf18("8","6","8","1","1","7","1") = "7"
    & skf18("8","6","8","1","1","8","1") = "7"
    & skf18("8","6","8","1","1","9","1") = "8"
    & skf18("8","6","8","1","1","10","1") = "9"
    & skf18("8","6","8","1","2","1","1") = "7"
    & skf18("8","6","8","1","2","2","1") = "7"
    & skf18("8","6","8","1","2","3","1") = "7"
    & skf18("8","6","8","1","2","4","1") = "7"
    & skf18("8","6","8","1","2","5","1") = "7"
    & skf18("8","6","8","1","2","6","1") = "7"
    & skf18("8","6","8","1","2","7","1") = "7"
    & skf18("8","6","8","1","2","8","1") = "7"
    & skf18("8","6","8","1","2","9","1") = "8"
    & skf18("8","6","8","1","2","10","1") = "9"
    & skf18("8","6","8","1","3","1","1") = "7"
    & skf18("8","6","8","1","3","2","1") = "7"
    & skf18("8","6","8","1","3","3","1") = "7"
    & skf18("8","6","8","1","3","4","1") = "7"
    & skf18("8","6","8","1","3","5","1") = "7"
    & skf18("8","6","8","1","3","6","1") = "7"
    & skf18("8","6","8","1","3","7","1") = "7"
    & skf18("8","6","8","1","3","8","1") = "7"
    & skf18("8","6","8","1","3","9","1") = "8"
    & skf18("8","6","8","1","3","10","1") = "9"
    & skf18("8","6","8","1","4","1","1") = "7"
    & skf18("8","6","8","1","4","2","1") = "7"
    & skf18("8","6","8","1","4","3","1") = "7"
    & skf18("8","6","8","1","4","4","1") = "7"
    & skf18("8","6","8","1","4","5","1") = "7"
    & skf18("8","6","8","1","4","6","1") = "7"
    & skf18("8","6","8","1","4","7","1") = "7"
    & skf18("8","6","8","1","4","8","1") = "7"
    & skf18("8","6","8","1","4","9","1") = "8"
    & skf18("8","6","8","1","4","10","1") = "9"
    & skf18("8","6","8","1","5","1","1") = "7"
    & skf18("8","6","8","1","5","2","1") = "7"
    & skf18("8","6","8","1","5","3","1") = "7"
    & skf18("8","6","8","1","5","4","1") = "7"
    & skf18("8","6","8","1","5","5","1") = "7"
    & skf18("8","6","8","1","5","6","1") = "7"
    & skf18("8","6","8","1","5","7","1") = "7"
    & skf18("8","6","8","1","5","8","1") = "7"
    & skf18("8","6","8","1","5","9","1") = "8"
    & skf18("8","6","8","1","5","10","1") = "9"
    & skf18("8","6","8","1","6","1","1") = "7"
    & skf18("8","6","8","1","6","2","1") = "7"
    & skf18("8","6","8","1","6","3","1") = "7"
    & skf18("8","6","8","1","6","4","1") = "7"
    & skf18("8","6","8","1","6","5","1") = "7"
    & skf18("8","6","8","1","6","6","1") = "7"
    & skf18("8","6","8","1","6","7","1") = "7"
    & skf18("8","6","8","1","6","8","1") = "7"
    & skf18("8","6","8","1","6","9","1") = "8"
    & skf18("8","6","8","1","6","10","1") = "9"
    & skf18("8","6","8","1","7","1","1") = "7"
    & skf18("8","6","8","1","7","2","1") = "7"
    & skf18("8","6","8","1","7","3","1") = "7"
    & skf18("8","6","8","1","7","4","1") = "7"
    & skf18("8","6","8","1","7","5","1") = "7"
    & skf18("8","6","8","1","7","6","1") = "7"
    & skf18("8","6","8","1","7","7","1") = "7"
    & skf18("8","6","8","1","7","8","1") = "7"
    & skf18("8","6","8","1","7","9","1") = "8"
    & skf18("8","6","8","1","7","10","1") = "9"
    & skf18("8","6","8","1","8","1","1") = "7"
    & skf18("8","6","8","1","8","2","1") = "7"
    & skf18("8","6","8","1","8","3","1") = "7"
    & skf18("8","6","8","1","8","4","1") = "7"
    & skf18("8","6","8","1","8","5","1") = "7"
    & skf18("8","6","8","1","8","6","1") = "7"
    & skf18("8","6","8","1","8","7","1") = "7"
    & skf18("8","6","8","1","8","8","1") = "7"
    & skf18("8","6","8","1","8","9","1") = "8"
    & skf18("8","6","8","1","8","10","1") = "9"
    & skf18("8","6","8","1","9","1","1") = "8"
    & skf18("8","6","8","1","9","2","1") = "8"
    & skf18("8","6","8","1","9","3","1") = "8"
    & skf18("8","6","8","1","9","4","1") = "8"
    & skf18("8","6","8","1","9","5","1") = "8"
    & skf18("8","6","8","1","9","6","1") = "8"
    & skf18("8","6","8","1","9","7","1") = "8"
    & skf18("8","6","8","1","9","8","1") = "8"
    & skf18("8","6","8","1","9","9","1") = "8"
    & skf18("8","6","8","1","9","10","1") = "9"
    & skf18("8","6","8","1","10","1","1") = "9"
    & skf18("8","6","8","1","10","2","1") = "9"
    & skf18("8","6","8","1","10","3","1") = "9"
    & skf18("8","6","8","1","10","4","1") = "9"
    & skf18("8","6","8","1","10","5","1") = "9"
    & skf18("8","6","8","1","10","6","1") = "9"
    & skf18("8","6","8","1","10","7","1") = "9"
    & skf18("8","6","8","1","10","8","1") = "9"
    & skf18("8","6","8","1","10","9","1") = "9"
    & skf18("8","6","8","1","10","10","1") = "9"
    & skf18("8","6","8","2","1","1","1") = "7"
    & skf18("8","6","8","2","1","2","1") = "7"
    & skf18("8","6","8","2","1","3","1") = "7"
    & skf18("8","6","8","2","1","4","1") = "7"
    & skf18("8","6","8","2","1","5","1") = "7"
    & skf18("8","6","8","2","1","6","1") = "7"
    & skf18("8","6","8","2","1","7","1") = "7"
    & skf18("8","6","8","2","1","8","1") = "7"
    & skf18("8","6","8","2","1","9","1") = "8"
    & skf18("8","6","8","2","1","10","1") = "9"
    & skf18("8","6","8","2","2","1","1") = "7"
    & skf18("8","6","8","2","2","2","1") = "7"
    & skf18("8","6","8","2","2","3","1") = "7"
    & skf18("8","6","8","2","2","4","1") = "7"
    & skf18("8","6","8","2","2","5","1") = "7"
    & skf18("8","6","8","2","2","6","1") = "7"
    & skf18("8","6","8","2","2","7","1") = "7"
    & skf18("8","6","8","2","2","8","1") = "7"
    & skf18("8","6","8","2","2","9","1") = "8"
    & skf18("8","6","8","2","2","10","1") = "9"
    & skf18("8","6","8","2","3","1","1") = "7"
    & skf18("8","6","8","2","3","2","1") = "7"
    & skf18("8","6","8","2","3","3","1") = "7"
    & skf18("8","6","8","2","3","4","1") = "7"
    & skf18("8","6","8","2","3","5","1") = "7"
    & skf18("8","6","8","2","3","6","1") = "7"
    & skf18("8","6","8","2","3","7","1") = "7"
    & skf18("8","6","8","2","3","8","1") = "7"
    & skf18("8","6","8","2","3","9","1") = "8"
    & skf18("8","6","8","2","3","10","1") = "9"
    & skf18("8","6","8","2","4","1","1") = "7"
    & skf18("8","6","8","2","4","2","1") = "7"
    & skf18("8","6","8","2","4","3","1") = "7"
    & skf18("8","6","8","2","4","4","1") = "7"
    & skf18("8","6","8","2","4","5","1") = "7"
    & skf18("8","6","8","2","4","6","1") = "7"
    & skf18("8","6","8","2","4","7","1") = "7"
    & skf18("8","6","8","2","4","8","1") = "7"
    & skf18("8","6","8","2","4","9","1") = "8"
    & skf18("8","6","8","2","4","10","1") = "9"
    & skf18("8","6","8","2","5","1","1") = "7"
    & skf18("8","6","8","2","5","2","1") = "7"
    & skf18("8","6","8","2","5","3","1") = "7"
    & skf18("8","6","8","2","5","4","1") = "7"
    & skf18("8","6","8","2","5","5","1") = "7"
    & skf18("8","6","8","2","5","6","1") = "7"
    & skf18("8","6","8","2","5","7","1") = "7"
    & skf18("8","6","8","2","5","8","1") = "7"
    & skf18("8","6","8","2","5","9","1") = "8"
    & skf18("8","6","8","2","5","10","1") = "9"
    & skf18("8","6","8","2","6","1","1") = "7"
    & skf18("8","6","8","2","6","2","1") = "7"
    & skf18("8","6","8","2","6","3","1") = "7"
    & skf18("8","6","8","2","6","4","1") = "7"
    & skf18("8","6","8","2","6","5","1") = "7"
    & skf18("8","6","8","2","6","6","1") = "7"
    & skf18("8","6","8","2","6","7","1") = "7"
    & skf18("8","6","8","2","6","8","1") = "7"
    & skf18("8","6","8","2","6","9","1") = "8"
    & skf18("8","6","8","2","6","10","1") = "9"
    & skf18("8","6","8","2","7","1","1") = "7"
    & skf18("8","6","8","2","7","2","1") = "7"
    & skf18("8","6","8","2","7","3","1") = "7"
    & skf18("8","6","8","2","7","4","1") = "7"
    & skf18("8","6","8","2","7","5","1") = "7"
    & skf18("8","6","8","2","7","6","1") = "7"
    & skf18("8","6","8","2","7","7","1") = "7"
    & skf18("8","6","8","2","7","8","1") = "7"
    & skf18("8","6","8","2","7","9","1") = "8"
    & skf18("8","6","8","2","7","10","1") = "9"
    & skf18("8","6","8","2","8","1","1") = "7"
    & skf18("8","6","8","2","8","2","1") = "7"
    & skf18("8","6","8","2","8","3","1") = "7"
    & skf18("8","6","8","2","8","4","1") = "7"
    & skf18("8","6","8","2","8","5","1") = "7"
    & skf18("8","6","8","2","8","6","1") = "7"
    & skf18("8","6","8","2","8","7","1") = "7"
    & skf18("8","6","8","2","8","8","1") = "7"
    & skf18("8","6","8","2","8","9","1") = "8"
    & skf18("8","6","8","2","8","10","1") = "9"
    & skf18("8","6","8","2","9","1","1") = "8"
    & skf18("8","6","8","2","9","2","1") = "8"
    & skf18("8","6","8","2","9","3","1") = "8"
    & skf18("8","6","8","2","9","4","1") = "8"
    & skf18("8","6","8","2","9","5","1") = "8"
    & skf18("8","6","8","2","9","6","1") = "8"
    & skf18("8","6","8","2","9","7","1") = "8"
    & skf18("8","6","8","2","9","8","1") = "8"
    & skf18("8","6","8","2","9","9","1") = "8"
    & skf18("8","6","8","2","9","10","1") = "9"
    & skf18("8","6","8","2","10","1","1") = "9"
    & skf18("8","6","8","2","10","2","1") = "9"
    & skf18("8","6","8","2","10","3","1") = "9"
    & skf18("8","6","8","2","10","4","1") = "9"
    & skf18("8","6","8","2","10","5","1") = "9"
    & skf18("8","6","8","2","10","6","1") = "9"
    & skf18("8","6","8","2","10","7","1") = "9"
    & skf18("8","6","8","2","10","8","1") = "9"
    & skf18("8","6","8","2","10","9","1") = "9"
    & skf18("8","6","8","2","10","10","1") = "9"
    & skf18("8","6","8","3","1","1","1") = "7"
    & skf18("8","6","8","3","1","2","1") = "7"
    & skf18("8","6","8","3","1","3","1") = "7"
    & skf18("8","6","8","3","1","4","1") = "7"
    & skf18("8","6","8","3","1","5","1") = "7"
    & skf18("8","6","8","3","1","6","1") = "7"
    & skf18("8","6","8","3","1","7","1") = "7"
    & skf18("8","6","8","3","1","8","1") = "7"
    & skf18("8","6","8","3","1","9","1") = "8"
    & skf18("8","6","8","3","1","10","1") = "9"
    & skf18("8","6","8","3","2","1","1") = "7"
    & skf18("8","6","8","3","2","2","1") = "7"
    & skf18("8","6","8","3","2","3","1") = "7"
    & skf18("8","6","8","3","2","4","1") = "7"
    & skf18("8","6","8","3","2","5","1") = "7"
    & skf18("8","6","8","3","2","6","1") = "7"
    & skf18("8","6","8","3","2","7","1") = "7"
    & skf18("8","6","8","3","2","8","1") = "7"
    & skf18("8","6","8","3","2","9","1") = "8"
    & skf18("8","6","8","3","2","10","1") = "9"
    & skf18("8","6","8","3","3","1","1") = "7"
    & skf18("8","6","8","3","3","2","1") = "7"
    & skf18("8","6","8","3","3","3","1") = "7"
    & skf18("8","6","8","3","3","4","1") = "7"
    & skf18("8","6","8","3","3","5","1") = "7"
    & skf18("8","6","8","3","3","6","1") = "7"
    & skf18("8","6","8","3","3","7","1") = "7"
    & skf18("8","6","8","3","3","8","1") = "7"
    & skf18("8","6","8","3","3","9","1") = "8"
    & skf18("8","6","8","3","3","10","1") = "9"
    & skf18("8","6","8","3","4","1","1") = "7"
    & skf18("8","6","8","3","4","2","1") = "7"
    & skf18("8","6","8","3","4","3","1") = "7"
    & skf18("8","6","8","3","4","4","1") = "7"
    & skf18("8","6","8","3","4","5","1") = "7"
    & skf18("8","6","8","3","4","6","1") = "7"
    & skf18("8","6","8","3","4","7","1") = "7"
    & skf18("8","6","8","3","4","8","1") = "7"
    & skf18("8","6","8","3","4","9","1") = "8"
    & skf18("8","6","8","3","4","10","1") = "9"
    & skf18("8","6","8","3","5","1","1") = "7"
    & skf18("8","6","8","3","5","2","1") = "7"
    & skf18("8","6","8","3","5","3","1") = "7"
    & skf18("8","6","8","3","5","4","1") = "7"
    & skf18("8","6","8","3","5","5","1") = "7"
    & skf18("8","6","8","3","5","6","1") = "7"
    & skf18("8","6","8","3","5","7","1") = "7"
    & skf18("8","6","8","3","5","8","1") = "7"
    & skf18("8","6","8","3","5","9","1") = "8"
    & skf18("8","6","8","3","5","10","1") = "9"
    & skf18("8","6","8","3","6","1","1") = "7"
    & skf18("8","6","8","3","6","2","1") = "7"
    & skf18("8","6","8","3","6","3","1") = "7"
    & skf18("8","6","8","3","6","4","1") = "7"
    & skf18("8","6","8","3","6","5","1") = "7"
    & skf18("8","6","8","3","6","6","1") = "7"
    & skf18("8","6","8","3","6","7","1") = "7"
    & skf18("8","6","8","3","6","8","1") = "7"
    & skf18("8","6","8","3","6","9","1") = "8"
    & skf18("8","6","8","3","6","10","1") = "9"
    & skf18("8","6","8","3","7","1","1") = "7"
    & skf18("8","6","8","3","7","2","1") = "7"
    & skf18("8","6","8","3","7","3","1") = "7"
    & skf18("8","6","8","3","7","4","1") = "7"
    & skf18("8","6","8","3","7","5","1") = "7"
    & skf18("8","6","8","3","7","6","1") = "7"
    & skf18("8","6","8","3","7","7","1") = "7"
    & skf18("8","6","8","3","7","8","1") = "7"
    & skf18("8","6","8","3","7","9","1") = "8"
    & skf18("8","6","8","3","7","10","1") = "9"
    & skf18("8","6","8","3","8","1","1") = "7"
    & skf18("8","6","8","3","8","2","1") = "7"
    & skf18("8","6","8","3","8","3","1") = "7"
    & skf18("8","6","8","3","8","4","1") = "7"
    & skf18("8","6","8","3","8","5","1") = "7"
    & skf18("8","6","8","3","8","6","1") = "7"
    & skf18("8","6","8","3","8","7","1") = "7"
    & skf18("8","6","8","3","8","8","1") = "7"
    & skf18("8","6","8","3","8","9","1") = "8"
    & skf18("8","6","8","3","8","10","1") = "9"
    & skf18("8","6","8","3","9","1","1") = "8"
    & skf18("8","6","8","3","9","2","1") = "8"
    & skf18("8","6","8","3","9","3","1") = "8"
    & skf18("8","6","8","3","9","4","1") = "8"
    & skf18("8","6","8","3","9","5","1") = "8"
    & skf18("8","6","8","3","9","6","1") = "8"
    & skf18("8","6","8","3","9","7","1") = "8"
    & skf18("8","6","8","3","9","8","1") = "8"
    & skf18("8","6","8","3","9","9","1") = "8"
    & skf18("8","6","8","3","9","10","1") = "9"
    & skf18("8","6","8","3","10","1","1") = "9"
    & skf18("8","6","8","3","10","2","1") = "9"
    & skf18("8","6","8","3","10","3","1") = "9"
    & skf18("8","6","8","3","10","4","1") = "9"
    & skf18("8","6","8","3","10","5","1") = "9"
    & skf18("8","6","8","3","10","6","1") = "9"
    & skf18("8","6","8","3","10","7","1") = "9"
    & skf18("8","6","8","3","10","8","1") = "9"
    & skf18("8","6","8","3","10","9","1") = "9"
    & skf18("8","6","8","3","10","10","1") = "9"
    & skf18("8","6","8","4","1","1","1") = "7"
    & skf18("8","6","8","4","1","2","1") = "7"
    & skf18("8","6","8","4","1","3","1") = "7"
    & skf18("8","6","8","4","1","4","1") = "7"
    & skf18("8","6","8","4","1","5","1") = "7"
    & skf18("8","6","8","4","1","6","1") = "7"
    & skf18("8","6","8","4","1","7","1") = "7"
    & skf18("8","6","8","4","1","8","1") = "7"
    & skf18("8","6","8","4","1","9","1") = "8"
    & skf18("8","6","8","4","1","10","1") = "9"
    & skf18("8","6","8","4","2","1","1") = "7"
    & skf18("8","6","8","4","2","2","1") = "7"
    & skf18("8","6","8","4","2","3","1") = "7"
    & skf18("8","6","8","4","2","4","1") = "7"
    & skf18("8","6","8","4","2","5","1") = "7"
    & skf18("8","6","8","4","2","6","1") = "7"
    & skf18("8","6","8","4","2","7","1") = "7"
    & skf18("8","6","8","4","2","8","1") = "7"
    & skf18("8","6","8","4","2","9","1") = "8"
    & skf18("8","6","8","4","2","10","1") = "9"
    & skf18("8","6","8","4","3","1","1") = "7"
    & skf18("8","6","8","4","3","2","1") = "7"
    & skf18("8","6","8","4","3","3","1") = "7"
    & skf18("8","6","8","4","3","4","1") = "7"
    & skf18("8","6","8","4","3","5","1") = "7"
    & skf18("8","6","8","4","3","6","1") = "7"
    & skf18("8","6","8","4","3","7","1") = "7"
    & skf18("8","6","8","4","3","8","1") = "7"
    & skf18("8","6","8","4","3","9","1") = "8"
    & skf18("8","6","8","4","3","10","1") = "9"
    & skf18("8","6","8","4","4","1","1") = "7"
    & skf18("8","6","8","4","4","2","1") = "7"
    & skf18("8","6","8","4","4","3","1") = "7"
    & skf18("8","6","8","4","4","4","1") = "7"
    & skf18("8","6","8","4","4","5","1") = "7"
    & skf18("8","6","8","4","4","6","1") = "7"
    & skf18("8","6","8","4","4","7","1") = "7"
    & skf18("8","6","8","4","4","8","1") = "7"
    & skf18("8","6","8","4","4","9","1") = "8"
    & skf18("8","6","8","4","4","10","1") = "9"
    & skf18("8","6","8","4","5","1","1") = "7"
    & skf18("8","6","8","4","5","2","1") = "7"
    & skf18("8","6","8","4","5","3","1") = "7"
    & skf18("8","6","8","4","5","4","1") = "7"
    & skf18("8","6","8","4","5","5","1") = "7"
    & skf18("8","6","8","4","5","6","1") = "7"
    & skf18("8","6","8","4","5","7","1") = "7"
    & skf18("8","6","8","4","5","8","1") = "7"
    & skf18("8","6","8","4","5","9","1") = "8"
    & skf18("8","6","8","4","5","10","1") = "9"
    & skf18("8","6","8","4","6","1","1") = "7"
    & skf18("8","6","8","4","6","2","1") = "7"
    & skf18("8","6","8","4","6","3","1") = "7"
    & skf18("8","6","8","4","6","4","1") = "7"
    & skf18("8","6","8","4","6","5","1") = "7"
    & skf18("8","6","8","4","6","6","1") = "7"
    & skf18("8","6","8","4","6","7","1") = "7"
    & skf18("8","6","8","4","6","8","1") = "7"
    & skf18("8","6","8","4","6","9","1") = "8"
    & skf18("8","6","8","4","6","10","1") = "9"
    & skf18("8","6","8","4","7","1","1") = "7"
    & skf18("8","6","8","4","7","2","1") = "7"
    & skf18("8","6","8","4","7","3","1") = "7"
    & skf18("8","6","8","4","7","4","1") = "7"
    & skf18("8","6","8","4","7","5","1") = "7"
    & skf18("8","6","8","4","7","6","1") = "7"
    & skf18("8","6","8","4","7","7","1") = "7"
    & skf18("8","6","8","4","7","8","1") = "7"
    & skf18("8","6","8","4","7","9","1") = "8"
    & skf18("8","6","8","4","7","10","1") = "9"
    & skf18("8","6","8","4","8","1","1") = "7"
    & skf18("8","6","8","4","8","2","1") = "7"
    & skf18("8","6","8","4","8","3","1") = "7"
    & skf18("8","6","8","4","8","4","1") = "7"
    & skf18("8","6","8","4","8","5","1") = "7"
    & skf18("8","6","8","4","8","6","1") = "7"
    & skf18("8","6","8","4","8","7","1") = "7"
    & skf18("8","6","8","4","8","8","1") = "7"
    & skf18("8","6","8","4","8","9","1") = "8"
    & skf18("8","6","8","4","8","10","1") = "9"
    & skf18("8","6","8","4","9","1","1") = "8"
    & skf18("8","6","8","4","9","2","1") = "8"
    & skf18("8","6","8","4","9","3","1") = "8"
    & skf18("8","6","8","4","9","4","1") = "8"
    & skf18("8","6","8","4","9","5","1") = "8"
    & skf18("8","6","8","4","9","6","1") = "8"
    & skf18("8","6","8","4","9","7","1") = "8"
    & skf18("8","6","8","4","9","8","1") = "8"
    & skf18("8","6","8","4","9","9","1") = "8"
    & skf18("8","6","8","4","9","10","1") = "9"
    & skf18("8","6","8","4","10","1","1") = "9"
    & skf18("8","6","8","4","10","2","1") = "9"
    & skf18("8","6","8","4","10","3","1") = "9"
    & skf18("8","6","8","4","10","4","1") = "9"
    & skf18("8","6","8","4","10","5","1") = "9"
    & skf18("8","6","8","4","10","6","1") = "9"
    & skf18("8","6","8","4","10","7","1") = "9"
    & skf18("8","6","8","4","10","8","1") = "9"
    & skf18("8","6","8","4","10","9","1") = "9"
    & skf18("8","6","8","4","10","10","1") = "9"
    & skf18("8","6","8","5","1","1","1") = "7"
    & skf18("8","6","8","5","1","2","1") = "7"
    & skf18("8","6","8","5","1","3","1") = "7"
    & skf18("8","6","8","5","1","4","1") = "7"
    & skf18("8","6","8","5","1","5","1") = "7"
    & skf18("8","6","8","5","1","6","1") = "7"
    & skf18("8","6","8","5","1","7","1") = "7"
    & skf18("8","6","8","5","1","8","1") = "7"
    & skf18("8","6","8","5","1","9","1") = "8"
    & skf18("8","6","8","5","1","10","1") = "9"
    & skf18("8","6","8","5","2","1","1") = "7"
    & skf18("8","6","8","5","2","2","1") = "7"
    & skf18("8","6","8","5","2","3","1") = "7"
    & skf18("8","6","8","5","2","4","1") = "7"
    & skf18("8","6","8","5","2","5","1") = "7"
    & skf18("8","6","8","5","2","6","1") = "7"
    & skf18("8","6","8","5","2","7","1") = "7"
    & skf18("8","6","8","5","2","8","1") = "7"
    & skf18("8","6","8","5","2","9","1") = "8"
    & skf18("8","6","8","5","2","10","1") = "9"
    & skf18("8","6","8","5","3","1","1") = "7"
    & skf18("8","6","8","5","3","2","1") = "7"
    & skf18("8","6","8","5","3","3","1") = "7"
    & skf18("8","6","8","5","3","4","1") = "7"
    & skf18("8","6","8","5","3","5","1") = "7"
    & skf18("8","6","8","5","3","6","1") = "7"
    & skf18("8","6","8","5","3","7","1") = "7"
    & skf18("8","6","8","5","3","8","1") = "7"
    & skf18("8","6","8","5","3","9","1") = "8"
    & skf18("8","6","8","5","3","10","1") = "9"
    & skf18("8","6","8","5","4","1","1") = "7"
    & skf18("8","6","8","5","4","2","1") = "7"
    & skf18("8","6","8","5","4","3","1") = "7"
    & skf18("8","6","8","5","4","4","1") = "7"
    & skf18("8","6","8","5","4","5","1") = "7"
    & skf18("8","6","8","5","4","6","1") = "7"
    & skf18("8","6","8","5","4","7","1") = "7"
    & skf18("8","6","8","5","4","8","1") = "7"
    & skf18("8","6","8","5","4","9","1") = "8"
    & skf18("8","6","8","5","4","10","1") = "9"
    & skf18("8","6","8","5","5","1","1") = "7"
    & skf18("8","6","8","5","5","2","1") = "7"
    & skf18("8","6","8","5","5","3","1") = "7"
    & skf18("8","6","8","5","5","4","1") = "7"
    & skf18("8","6","8","5","5","5","1") = "7"
    & skf18("8","6","8","5","5","6","1") = "7"
    & skf18("8","6","8","5","5","7","1") = "7"
    & skf18("8","6","8","5","5","8","1") = "7"
    & skf18("8","6","8","5","5","9","1") = "8"
    & skf18("8","6","8","5","5","10","1") = "9"
    & skf18("8","6","8","5","6","1","1") = "7"
    & skf18("8","6","8","5","6","2","1") = "7"
    & skf18("8","6","8","5","6","3","1") = "7"
    & skf18("8","6","8","5","6","4","1") = "7"
    & skf18("8","6","8","5","6","5","1") = "7"
    & skf18("8","6","8","5","6","6","1") = "7"
    & skf18("8","6","8","5","6","7","1") = "7"
    & skf18("8","6","8","5","6","8","1") = "7"
    & skf18("8","6","8","5","6","9","1") = "8"
    & skf18("8","6","8","5","6","10","1") = "9"
    & skf18("8","6","8","5","7","1","1") = "7"
    & skf18("8","6","8","5","7","2","1") = "7"
    & skf18("8","6","8","5","7","3","1") = "7"
    & skf18("8","6","8","5","7","4","1") = "7"
    & skf18("8","6","8","5","7","5","1") = "7"
    & skf18("8","6","8","5","7","6","1") = "7"
    & skf18("8","6","8","5","7","7","1") = "7"
    & skf18("8","6","8","5","7","8","1") = "7"
    & skf18("8","6","8","5","7","9","1") = "8"
    & skf18("8","6","8","5","7","10","1") = "9"
    & skf18("8","6","8","5","8","1","1") = "7"
    & skf18("8","6","8","5","8","2","1") = "7"
    & skf18("8","6","8","5","8","3","1") = "7"
    & skf18("8","6","8","5","8","4","1") = "7"
    & skf18("8","6","8","5","8","5","1") = "7"
    & skf18("8","6","8","5","8","6","1") = "7"
    & skf18("8","6","8","5","8","7","1") = "7"
    & skf18("8","6","8","5","8","8","1") = "7"
    & skf18("8","6","8","5","8","9","1") = "8"
    & skf18("8","6","8","5","8","10","1") = "9"
    & skf18("8","6","8","5","9","1","1") = "8"
    & skf18("8","6","8","5","9","2","1") = "8"
    & skf18("8","6","8","5","9","3","1") = "8"
    & skf18("8","6","8","5","9","4","1") = "8"
    & skf18("8","6","8","5","9","5","1") = "8"
    & skf18("8","6","8","5","9","6","1") = "8"
    & skf18("8","6","8","5","9","7","1") = "8"
    & skf18("8","6","8","5","9","8","1") = "8"
    & skf18("8","6","8","5","9","9","1") = "8"
    & skf18("8","6","8","5","9","10","1") = "9"
    & skf18("8","6","8","5","10","1","1") = "9"
    & skf18("8","6","8","5","10","2","1") = "9"
    & skf18("8","6","8","5","10","3","1") = "9"
    & skf18("8","6","8","5","10","4","1") = "9"
    & skf18("8","6","8","5","10","5","1") = "9"
    & skf18("8","6","8","5","10","6","1") = "9"
    & skf18("8","6","8","5","10","7","1") = "9"
    & skf18("8","6","8","5","10","8","1") = "9"
    & skf18("8","6","8","5","10","9","1") = "9"
    & skf18("8","6","8","5","10","10","1") = "9"
    & skf18("8","6","8","6","1","1","1") = "7"
    & skf18("8","6","8","6","1","2","1") = "7"
    & skf18("8","6","8","6","1","3","1") = "7"
    & skf18("8","6","8","6","1","4","1") = "7"
    & skf18("8","6","8","6","1","5","1") = "7"
    & skf18("8","6","8","6","1","6","1") = "7"
    & skf18("8","6","8","6","1","7","1") = "7"
    & skf18("8","6","8","6","1","8","1") = "7"
    & skf18("8","6","8","6","1","9","1") = "8"
    & skf18("8","6","8","6","1","10","1") = "9"
    & skf18("8","6","8","6","2","1","1") = "7"
    & skf18("8","6","8","6","2","2","1") = "7"
    & skf18("8","6","8","6","2","3","1") = "7"
    & skf18("8","6","8","6","2","4","1") = "7"
    & skf18("8","6","8","6","2","5","1") = "7"
    & skf18("8","6","8","6","2","6","1") = "7"
    & skf18("8","6","8","6","2","7","1") = "7"
    & skf18("8","6","8","6","2","8","1") = "7"
    & skf18("8","6","8","6","2","9","1") = "8"
    & skf18("8","6","8","6","2","10","1") = "9"
    & skf18("8","6","8","6","3","1","1") = "7"
    & skf18("8","6","8","6","3","2","1") = "7"
    & skf18("8","6","8","6","3","3","1") = "7"
    & skf18("8","6","8","6","3","4","1") = "7"
    & skf18("8","6","8","6","3","5","1") = "7"
    & skf18("8","6","8","6","3","6","1") = "7"
    & skf18("8","6","8","6","3","7","1") = "7"
    & skf18("8","6","8","6","3","8","1") = "7"
    & skf18("8","6","8","6","3","9","1") = "8"
    & skf18("8","6","8","6","3","10","1") = "9"
    & skf18("8","6","8","6","4","1","1") = "7"
    & skf18("8","6","8","6","4","2","1") = "7"
    & skf18("8","6","8","6","4","3","1") = "7"
    & skf18("8","6","8","6","4","4","1") = "7"
    & skf18("8","6","8","6","4","5","1") = "7"
    & skf18("8","6","8","6","4","6","1") = "7"
    & skf18("8","6","8","6","4","7","1") = "7"
    & skf18("8","6","8","6","4","8","1") = "7"
    & skf18("8","6","8","6","4","9","1") = "8"
    & skf18("8","6","8","6","4","10","1") = "9"
    & skf18("8","6","8","6","5","1","1") = "7"
    & skf18("8","6","8","6","5","2","1") = "7"
    & skf18("8","6","8","6","5","3","1") = "7"
    & skf18("8","6","8","6","5","4","1") = "7"
    & skf18("8","6","8","6","5","5","1") = "7"
    & skf18("8","6","8","6","5","6","1") = "7"
    & skf18("8","6","8","6","5","7","1") = "7"
    & skf18("8","6","8","6","5","8","1") = "7"
    & skf18("8","6","8","6","5","9","1") = "8"
    & skf18("8","6","8","6","5","10","1") = "9"
    & skf18("8","6","8","6","6","1","1") = "7"
    & skf18("8","6","8","6","6","2","1") = "7"
    & skf18("8","6","8","6","6","3","1") = "7"
    & skf18("8","6","8","6","6","4","1") = "7"
    & skf18("8","6","8","6","6","5","1") = "7"
    & skf18("8","6","8","6","6","6","1") = "7"
    & skf18("8","6","8","6","6","7","1") = "7"
    & skf18("8","6","8","6","6","8","1") = "7"
    & skf18("8","6","8","6","6","9","1") = "8"
    & skf18("8","6","8","6","6","10","1") = "9"
    & skf18("8","6","8","6","7","1","1") = "7"
    & skf18("8","6","8","6","7","2","1") = "7"
    & skf18("8","6","8","6","7","3","1") = "7"
    & skf18("8","6","8","6","7","4","1") = "7"
    & skf18("8","6","8","6","7","5","1") = "7"
    & skf18("8","6","8","6","7","6","1") = "7"
    & skf18("8","6","8","6","7","7","1") = "7"
    & skf18("8","6","8","6","7","8","1") = "7"
    & skf18("8","6","8","6","7","9","1") = "8"
    & skf18("8","6","8","6","7","10","1") = "9"
    & skf18("8","6","8","6","8","1","1") = "7"
    & skf18("8","6","8","6","8","2","1") = "7"
    & skf18("8","6","8","6","8","3","1") = "7"
    & skf18("8","6","8","6","8","4","1") = "7"
    & skf18("8","6","8","6","8","5","1") = "7"
    & skf18("8","6","8","6","8","6","1") = "7"
    & skf18("8","6","8","6","8","7","1") = "7"
    & skf18("8","6","8","6","8","8","1") = "7"
    & skf18("8","6","8","6","8","9","1") = "8"
    & skf18("8","6","8","6","8","10","1") = "9"
    & skf18("8","6","8","6","9","1","1") = "8"
    & skf18("8","6","8","6","9","2","1") = "8"
    & skf18("8","6","8","6","9","3","1") = "8"
    & skf18("8","6","8","6","9","4","1") = "8"
    & skf18("8","6","8","6","9","5","1") = "8"
    & skf18("8","6","8","6","9","6","1") = "8"
    & skf18("8","6","8","6","9","7","1") = "8"
    & skf18("8","6","8","6","9","8","1") = "8"
    & skf18("8","6","8","6","9","9","1") = "8"
    & skf18("8","6","8","6","9","10","1") = "9"
    & skf18("8","6","8","6","10","1","1") = "9"
    & skf18("8","6","8","6","10","2","1") = "9"
    & skf18("8","6","8","6","10","3","1") = "9"
    & skf18("8","6","8","6","10","4","1") = "9"
    & skf18("8","6","8","6","10","5","1") = "9"
    & skf18("8","6","8","6","10","6","1") = "9"
    & skf18("8","6","8","6","10","7","1") = "9"
    & skf18("8","6","8","6","10","8","1") = "9"
    & skf18("8","6","8","6","10","9","1") = "9"
    & skf18("8","6","8","6","10","10","1") = "9"
    & skf18("8","6","8","7","1","1","1") = "7"
    & skf18("8","6","8","7","1","2","1") = "7"
    & skf18("8","6","8","7","1","3","1") = "7"
    & skf18("8","6","8","7","1","4","1") = "7"
    & skf18("8","6","8","7","1","5","1") = "7"
    & skf18("8","6","8","7","1","6","1") = "7"
    & skf18("8","6","8","7","1","7","1") = "7"
    & skf18("8","6","8","7","1","8","1") = "7"
    & skf18("8","6","8","7","1","9","1") = "8"
    & skf18("8","6","8","7","1","10","1") = "9"
    & skf18("8","6","8","7","2","1","1") = "7"
    & skf18("8","6","8","7","2","2","1") = "7"
    & skf18("8","6","8","7","2","3","1") = "7"
    & skf18("8","6","8","7","2","4","1") = "7"
    & skf18("8","6","8","7","2","5","1") = "7"
    & skf18("8","6","8","7","2","6","1") = "7"
    & skf18("8","6","8","7","2","7","1") = "7"
    & skf18("8","6","8","7","2","8","1") = "7"
    & skf18("8","6","8","7","2","9","1") = "8"
    & skf18("8","6","8","7","2","10","1") = "9"
    & skf18("8","6","8","7","3","1","1") = "7"
    & skf18("8","6","8","7","3","2","1") = "7"
    & skf18("8","6","8","7","3","3","1") = "7"
    & skf18("8","6","8","7","3","4","1") = "7"
    & skf18("8","6","8","7","3","5","1") = "7"
    & skf18("8","6","8","7","3","6","1") = "7"
    & skf18("8","6","8","7","3","7","1") = "7"
    & skf18("8","6","8","7","3","8","1") = "7"
    & skf18("8","6","8","7","3","9","1") = "8"
    & skf18("8","6","8","7","3","10","1") = "9"
    & skf18("8","6","8","7","4","1","1") = "7"
    & skf18("8","6","8","7","4","2","1") = "7"
    & skf18("8","6","8","7","4","3","1") = "7"
    & skf18("8","6","8","7","4","4","1") = "7"
    & skf18("8","6","8","7","4","5","1") = "7"
    & skf18("8","6","8","7","4","6","1") = "7"
    & skf18("8","6","8","7","4","7","1") = "7"
    & skf18("8","6","8","7","4","8","1") = "7"
    & skf18("8","6","8","7","4","9","1") = "8"
    & skf18("8","6","8","7","4","10","1") = "9"
    & skf18("8","6","8","7","5","1","1") = "7"
    & skf18("8","6","8","7","5","2","1") = "7"
    & skf18("8","6","8","7","5","3","1") = "7"
    & skf18("8","6","8","7","5","4","1") = "7"
    & skf18("8","6","8","7","5","5","1") = "7"
    & skf18("8","6","8","7","5","6","1") = "7"
    & skf18("8","6","8","7","5","7","1") = "7"
    & skf18("8","6","8","7","5","8","1") = "7"
    & skf18("8","6","8","7","5","9","1") = "8"
    & skf18("8","6","8","7","5","10","1") = "9"
    & skf18("8","6","8","7","6","1","1") = "7"
    & skf18("8","6","8","7","6","2","1") = "7"
    & skf18("8","6","8","7","6","3","1") = "7"
    & skf18("8","6","8","7","6","4","1") = "7"
    & skf18("8","6","8","7","6","5","1") = "7"
    & skf18("8","6","8","7","6","6","1") = "7"
    & skf18("8","6","8","7","6","7","1") = "7"
    & skf18("8","6","8","7","6","8","1") = "7"
    & skf18("8","6","8","7","6","9","1") = "8"
    & skf18("8","6","8","7","6","10","1") = "9"
    & skf18("8","6","8","7","7","1","1") = "7"
    & skf18("8","6","8","7","7","2","1") = "7"
    & skf18("8","6","8","7","7","3","1") = "7"
    & skf18("8","6","8","7","7","4","1") = "7"
    & skf18("8","6","8","7","7","5","1") = "7"
    & skf18("8","6","8","7","7","6","1") = "7"
    & skf18("8","6","8","7","7","7","1") = "7"
    & skf18("8","6","8","7","7","8","1") = "7"
    & skf18("8","6","8","7","7","9","1") = "8"
    & skf18("8","6","8","7","7","10","1") = "9"
    & skf18("8","6","8","7","8","1","1") = "7"
    & skf18("8","6","8","7","8","2","1") = "7"
    & skf18("8","6","8","7","8","3","1") = "7"
    & skf18("8","6","8","7","8","4","1") = "7"
    & skf18("8","6","8","7","8","5","1") = "7"
    & skf18("8","6","8","7","8","6","1") = "7"
    & skf18("8","6","8","7","8","7","1") = "7"
    & skf18("8","6","8","7","8","8","1") = "7"
    & skf18("8","6","8","7","8","9","1") = "8"
    & skf18("8","6","8","7","8","10","1") = "9"
    & skf18("8","6","8","7","9","1","1") = "8"
    & skf18("8","6","8","7","9","2","1") = "8"
    & skf18("8","6","8","7","9","3","1") = "8"
    & skf18("8","6","8","7","9","4","1") = "8"
    & skf18("8","6","8","7","9","5","1") = "8"
    & skf18("8","6","8","7","9","6","1") = "8"
    & skf18("8","6","8","7","9","7","1") = "8"
    & skf18("8","6","8","7","9","8","1") = "8"
    & skf18("8","6","8","7","9","9","1") = "8"
    & skf18("8","6","8","7","9","10","1") = "9"
    & skf18("8","6","8","7","10","1","1") = "9"
    & skf18("8","6","8","7","10","2","1") = "9"
    & skf18("8","6","8","7","10","3","1") = "9"
    & skf18("8","6","8","7","10","4","1") = "9"
    & skf18("8","6","8","7","10","5","1") = "9"
    & skf18("8","6","8","7","10","6","1") = "9"
    & skf18("8","6","8","7","10","7","1") = "9"
    & skf18("8","6","8","7","10","8","1") = "9"
    & skf18("8","6","8","7","10","9","1") = "9"
    & skf18("8","6","8","7","10","10","1") = "9"
    & skf18("8","6","8","8","1","1","1") = "7"
    & skf18("8","6","8","8","1","2","1") = "7"
    & skf18("8","6","8","8","1","3","1") = "7"
    & skf18("8","6","8","8","1","4","1") = "7"
    & skf18("8","6","8","8","1","5","1") = "7"
    & skf18("8","6","8","8","1","6","1") = "7"
    & skf18("8","6","8","8","1","7","1") = "7"
    & skf18("8","6","8","8","1","8","1") = "7"
    & skf18("8","6","8","8","1","9","1") = "8"
    & skf18("8","6","8","8","1","10","1") = "9"
    & skf18("8","6","8","8","2","1","1") = "7"
    & skf18("8","6","8","8","2","2","1") = "7"
    & skf18("8","6","8","8","2","3","1") = "7"
    & skf18("8","6","8","8","2","4","1") = "7"
    & skf18("8","6","8","8","2","5","1") = "7"
    & skf18("8","6","8","8","2","6","1") = "7"
    & skf18("8","6","8","8","2","7","1") = "7"
    & skf18("8","6","8","8","2","8","1") = "7"
    & skf18("8","6","8","8","2","9","1") = "8"
    & skf18("8","6","8","8","2","10","1") = "9"
    & skf18("8","6","8","8","3","1","1") = "7"
    & skf18("8","6","8","8","3","2","1") = "7"
    & skf18("8","6","8","8","3","3","1") = "7"
    & skf18("8","6","8","8","3","4","1") = "7"
    & skf18("8","6","8","8","3","5","1") = "7"
    & skf18("8","6","8","8","3","6","1") = "7"
    & skf18("8","6","8","8","3","7","1") = "7"
    & skf18("8","6","8","8","3","8","1") = "7"
    & skf18("8","6","8","8","3","9","1") = "8"
    & skf18("8","6","8","8","3","10","1") = "9"
    & skf18("8","6","8","8","4","1","1") = "7"
    & skf18("8","6","8","8","4","2","1") = "7"
    & skf18("8","6","8","8","4","3","1") = "7"
    & skf18("8","6","8","8","4","4","1") = "7"
    & skf18("8","6","8","8","4","5","1") = "7"
    & skf18("8","6","8","8","4","6","1") = "7"
    & skf18("8","6","8","8","4","7","1") = "7"
    & skf18("8","6","8","8","4","8","1") = "7"
    & skf18("8","6","8","8","4","9","1") = "8"
    & skf18("8","6","8","8","4","10","1") = "9"
    & skf18("8","6","8","8","5","1","1") = "7"
    & skf18("8","6","8","8","5","2","1") = "7"
    & skf18("8","6","8","8","5","3","1") = "7"
    & skf18("8","6","8","8","5","4","1") = "7"
    & skf18("8","6","8","8","5","5","1") = "7"
    & skf18("8","6","8","8","5","6","1") = "7"
    & skf18("8","6","8","8","5","7","1") = "7"
    & skf18("8","6","8","8","5","8","1") = "7"
    & skf18("8","6","8","8","5","9","1") = "8"
    & skf18("8","6","8","8","5","10","1") = "9"
    & skf18("8","6","8","8","6","1","1") = "7"
    & skf18("8","6","8","8","6","2","1") = "7"
    & skf18("8","6","8","8","6","3","1") = "7"
    & skf18("8","6","8","8","6","4","1") = "7"
    & skf18("8","6","8","8","6","5","1") = "7"
    & skf18("8","6","8","8","6","6","1") = "7"
    & skf18("8","6","8","8","6","7","1") = "7"
    & skf18("8","6","8","8","6","8","1") = "7"
    & skf18("8","6","8","8","6","9","1") = "8"
    & skf18("8","6","8","8","6","10","1") = "9"
    & skf18("8","6","8","8","7","1","1") = "7"
    & skf18("8","6","8","8","7","2","1") = "7"
    & skf18("8","6","8","8","7","3","1") = "7"
    & skf18("8","6","8","8","7","4","1") = "7"
    & skf18("8","6","8","8","7","5","1") = "7"
    & skf18("8","6","8","8","7","6","1") = "7"
    & skf18("8","6","8","8","7","7","1") = "7"
    & skf18("8","6","8","8","7","8","1") = "7"
    & skf18("8","6","8","8","7","9","1") = "8"
    & skf18("8","6","8","8","7","10","1") = "9"
    & skf18("8","6","8","8","8","1","1") = "7"
    & skf18("8","6","8","8","8","2","1") = "7"
    & skf18("8","6","8","8","8","3","1") = "7"
    & skf18("8","6","8","8","8","4","1") = "7"
    & skf18("8","6","8","8","8","5","1") = "7"
    & skf18("8","6","8","8","8","6","1") = "7"
    & skf18("8","6","8","8","8","7","1") = "7"
    & skf18("8","6","8","8","8","8","1") = "7"
    & skf18("8","6","8","8","8","9","1") = "8"
    & skf18("8","6","8","8","8","10","1") = "9"
    & skf18("8","6","8","8","9","1","1") = "8"
    & skf18("8","6","8","8","9","2","1") = "8"
    & skf18("8","6","8","8","9","3","1") = "8"
    & skf18("8","6","8","8","9","4","1") = "8"
    & skf18("8","6","8","8","9","5","1") = "8"
    & skf18("8","6","8","8","9","6","1") = "8"
    & skf18("8","6","8","8","9","7","1") = "8"
    & skf18("8","6","8","8","9","8","1") = "8"
    & skf18("8","6","8","8","9","9","1") = "8"
    & skf18("8","6","8","8","9","10","1") = "9"
    & skf18("8","6","8","8","10","1","1") = "9"
    & skf18("8","6","8","8","10","2","1") = "9"
    & skf18("8","6","8","8","10","3","1") = "9"
    & skf18("8","6","8","8","10","4","1") = "9"
    & skf18("8","6","8","8","10","5","1") = "9"
    & skf18("8","6","8","8","10","6","1") = "9"
    & skf18("8","6","8","8","10","7","1") = "9"
    & skf18("8","6","8","8","10","8","1") = "9"
    & skf18("8","6","8","8","10","9","1") = "9"
    & skf18("8","6","8","8","10","10","1") = "9"
    & skf18("8","6","8","9","1","1","1") = "8"
    & skf18("8","6","8","9","1","2","1") = "8"
    & skf18("8","6","8","9","1","3","1") = "8"
    & skf18("8","6","8","9","1","4","1") = "8"
    & skf18("8","6","8","9","1","5","1") = "8"
    & skf18("8","6","8","9","1","6","1") = "8"
    & skf18("8","6","8","9","1","7","1") = "8"
    & skf18("8","6","8","9","1","8","1") = "8"
    & skf18("8","6","8","9","1","9","1") = "8"
    & skf18("8","6","8","9","1","10","1") = "9"
    & skf18("8","6","8","9","2","1","1") = "8"
    & skf18("8","6","8","9","2","2","1") = "8"
    & skf18("8","6","8","9","2","3","1") = "8"
    & skf18("8","6","8","9","2","4","1") = "8"
    & skf18("8","6","8","9","2","5","1") = "8"
    & skf18("8","6","8","9","2","6","1") = "8"
    & skf18("8","6","8","9","2","7","1") = "8"
    & skf18("8","6","8","9","2","8","1") = "8"
    & skf18("8","6","8","9","2","9","1") = "8"
    & skf18("8","6","8","9","2","10","1") = "9"
    & skf18("8","6","8","9","3","1","1") = "8"
    & skf18("8","6","8","9","3","2","1") = "8"
    & skf18("8","6","8","9","3","3","1") = "8"
    & skf18("8","6","8","9","3","4","1") = "8"
    & skf18("8","6","8","9","3","5","1") = "8"
    & skf18("8","6","8","9","3","6","1") = "8"
    & skf18("8","6","8","9","3","7","1") = "8"
    & skf18("8","6","8","9","3","8","1") = "8"
    & skf18("8","6","8","9","3","9","1") = "8"
    & skf18("8","6","8","9","3","10","1") = "9"
    & skf18("8","6","8","9","4","1","1") = "8"
    & skf18("8","6","8","9","4","2","1") = "8"
    & skf18("8","6","8","9","4","3","1") = "8"
    & skf18("8","6","8","9","4","4","1") = "8"
    & skf18("8","6","8","9","4","5","1") = "8"
    & skf18("8","6","8","9","4","6","1") = "8"
    & skf18("8","6","8","9","4","7","1") = "8"
    & skf18("8","6","8","9","4","8","1") = "8"
    & skf18("8","6","8","9","4","9","1") = "8"
    & skf18("8","6","8","9","4","10","1") = "9"
    & skf18("8","6","8","9","5","1","1") = "8"
    & skf18("8","6","8","9","5","2","1") = "8"
    & skf18("8","6","8","9","5","3","1") = "8"
    & skf18("8","6","8","9","5","4","1") = "8"
    & skf18("8","6","8","9","5","5","1") = "8"
    & skf18("8","6","8","9","5","6","1") = "8"
    & skf18("8","6","8","9","5","7","1") = "8"
    & skf18("8","6","8","9","5","8","1") = "8"
    & skf18("8","6","8","9","5","9","1") = "8"
    & skf18("8","6","8","9","5","10","1") = "9"
    & skf18("8","6","8","9","6","1","1") = "8"
    & skf18("8","6","8","9","6","2","1") = "8"
    & skf18("8","6","8","9","6","3","1") = "8"
    & skf18("8","6","8","9","6","4","1") = "8"
    & skf18("8","6","8","9","6","5","1") = "8"
    & skf18("8","6","8","9","6","6","1") = "8"
    & skf18("8","6","8","9","6","7","1") = "8"
    & skf18("8","6","8","9","6","8","1") = "8"
    & skf18("8","6","8","9","6","9","1") = "8"
    & skf18("8","6","8","9","6","10","1") = "9"
    & skf18("8","6","8","9","7","1","1") = "8"
    & skf18("8","6","8","9","7","2","1") = "8"
    & skf18("8","6","8","9","7","3","1") = "8"
    & skf18("8","6","8","9","7","4","1") = "8"
    & skf18("8","6","8","9","7","5","1") = "8"
    & skf18("8","6","8","9","7","6","1") = "8"
    & skf18("8","6","8","9","7","7","1") = "8"
    & skf18("8","6","8","9","7","8","1") = "8"
    & skf18("8","6","8","9","7","9","1") = "8"
    & skf18("8","6","8","9","7","10","1") = "9"
    & skf18("8","6","8","9","8","1","1") = "8"
    & skf18("8","6","8","9","8","2","1") = "8"
    & skf18("8","6","8","9","8","3","1") = "8"
    & skf18("8","6","8","9","8","4","1") = "8"
    & skf18("8","6","8","9","8","5","1") = "8"
    & skf18("8","6","8","9","8","6","1") = "8"
    & skf18("8","6","8","9","8","7","1") = "8"
    & skf18("8","6","8","9","8","8","1") = "8"
    & skf18("8","6","8","9","8","9","1") = "8"
    & skf18("8","6","8","9","8","10","1") = "9"
    & skf18("8","6","8","9","9","1","1") = "8"
    & skf18("8","6","8","9","9","2","1") = "8"
    & skf18("8","6","8","9","9","3","1") = "8"
    & skf18("8","6","8","9","9","4","1") = "8"
    & skf18("8","6","8","9","9","5","1") = "8"
    & skf18("8","6","8","9","9","6","1") = "8"
    & skf18("8","6","8","9","9","7","1") = "8"
    & skf18("8","6","8","9","9","8","1") = "8"
    & skf18("8","6","8","9","9","9","1") = "8"
    & skf18("8","6","8","9","9","10","1") = "9"
    & skf18("8","6","8","9","10","1","1") = "9"
    & skf18("8","6","8","9","10","2","1") = "9"
    & skf18("8","6","8","9","10","3","1") = "9"
    & skf18("8","6","8","9","10","4","1") = "9"
    & skf18("8","6","8","9","10","5","1") = "9"
    & skf18("8","6","8","9","10","6","1") = "9"
    & skf18("8","6","8","9","10","7","1") = "9"
    & skf18("8","6","8","9","10","8","1") = "9"
    & skf18("8","6","8","9","10","9","1") = "9"
    & skf18("8","6","8","9","10","10","1") = "9"
    & skf18("8","6","8","10","1","1","1") = "9"
    & skf18("8","6","8","10","1","2","1") = "9"
    & skf18("8","6","8","10","1","3","1") = "9"
    & skf18("8","6","8","10","1","4","1") = "9"
    & skf18("8","6","8","10","1","5","1") = "9"
    & skf18("8","6","8","10","1","6","1") = "9"
    & skf18("8","6","8","10","1","7","1") = "9"
    & skf18("8","6","8","10","1","8","1") = "9"
    & skf18("8","6","8","10","1","9","1") = "9"
    & skf18("8","6","8","10","1","10","1") = "9"
    & skf18("8","6","8","10","2","1","1") = "9"
    & skf18("8","6","8","10","2","2","1") = "9"
    & skf18("8","6","8","10","2","3","1") = "9"
    & skf18("8","6","8","10","2","4","1") = "9"
    & skf18("8","6","8","10","2","5","1") = "9"
    & skf18("8","6","8","10","2","6","1") = "9"
    & skf18("8","6","8","10","2","7","1") = "9"
    & skf18("8","6","8","10","2","8","1") = "9"
    & skf18("8","6","8","10","2","9","1") = "9"
    & skf18("8","6","8","10","2","10","1") = "9"
    & skf18("8","6","8","10","3","1","1") = "9"
    & skf18("8","6","8","10","3","2","1") = "9"
    & skf18("8","6","8","10","3","3","1") = "9"
    & skf18("8","6","8","10","3","4","1") = "9"
    & skf18("8","6","8","10","3","5","1") = "9"
    & skf18("8","6","8","10","3","6","1") = "9"
    & skf18("8","6","8","10","3","7","1") = "9"
    & skf18("8","6","8","10","3","8","1") = "9"
    & skf18("8","6","8","10","3","9","1") = "9"
    & skf18("8","6","8","10","3","10","1") = "9"
    & skf18("8","6","8","10","4","1","1") = "9"
    & skf18("8","6","8","10","4","2","1") = "9"
    & skf18("8","6","8","10","4","3","1") = "9"
    & skf18("8","6","8","10","4","4","1") = "9"
    & skf18("8","6","8","10","4","5","1") = "9"
    & skf18("8","6","8","10","4","6","1") = "9"
    & skf18("8","6","8","10","4","7","1") = "9"
    & skf18("8","6","8","10","4","8","1") = "9"
    & skf18("8","6","8","10","4","9","1") = "9"
    & skf18("8","6","8","10","4","10","1") = "9"
    & skf18("8","6","8","10","5","1","1") = "9"
    & skf18("8","6","8","10","5","2","1") = "9"
    & skf18("8","6","8","10","5","3","1") = "9"
    & skf18("8","6","8","10","5","4","1") = "9"
    & skf18("8","6","8","10","5","5","1") = "9"
    & skf18("8","6","8","10","5","6","1") = "9"
    & skf18("8","6","8","10","5","7","1") = "9"
    & skf18("8","6","8","10","5","8","1") = "9"
    & skf18("8","6","8","10","5","9","1") = "9"
    & skf18("8","6","8","10","5","10","1") = "9"
    & skf18("8","6","8","10","6","1","1") = "9"
    & skf18("8","6","8","10","6","2","1") = "9"
    & skf18("8","6","8","10","6","3","1") = "9"
    & skf18("8","6","8","10","6","4","1") = "9"
    & skf18("8","6","8","10","6","5","1") = "9"
    & skf18("8","6","8","10","6","6","1") = "9"
    & skf18("8","6","8","10","6","7","1") = "9"
    & skf18("8","6","8","10","6","8","1") = "9"
    & skf18("8","6","8","10","6","9","1") = "9"
    & skf18("8","6","8","10","6","10","1") = "9"
    & skf18("8","6","8","10","7","1","1") = "9"
    & skf18("8","6","8","10","7","2","1") = "9"
    & skf18("8","6","8","10","7","3","1") = "9"
    & skf18("8","6","8","10","7","4","1") = "9"
    & skf18("8","6","8","10","7","5","1") = "9"
    & skf18("8","6","8","10","7","6","1") = "9"
    & skf18("8","6","8","10","7","7","1") = "9"
    & skf18("8","6","8","10","7","8","1") = "9"
    & skf18("8","6","8","10","7","9","1") = "9"
    & skf18("8","6","8","10","7","10","1") = "9"
    & skf18("8","6","8","10","8","1","1") = "9"
    & skf18("8","6","8","10","8","2","1") = "9"
    & skf18("8","6","8","10","8","3","1") = "9"
    & skf18("8","6","8","10","8","4","1") = "9"
    & skf18("8","6","8","10","8","5","1") = "9"
    & skf18("8","6","8","10","8","6","1") = "9"
    & skf18("8","6","8","10","8","7","1") = "9"
    & skf18("8","6","8","10","8","8","1") = "9"
    & skf18("8","6","8","10","8","9","1") = "9"
    & skf18("8","6","8","10","8","10","1") = "9"
    & skf18("8","6","8","10","9","1","1") = "9"
    & skf18("8","6","8","10","9","2","1") = "9"
    & skf18("8","6","8","10","9","3","1") = "9"
    & skf18("8","6","8","10","9","4","1") = "9"
    & skf18("8","6","8","10","9","5","1") = "9"
    & skf18("8","6","8","10","9","6","1") = "9"
    & skf18("8","6","8","10","9","7","1") = "9"
    & skf18("8","6","8","10","9","8","1") = "9"
    & skf18("8","6","8","10","9","9","1") = "9"
    & skf18("8","6","8","10","9","10","1") = "9"
    & skf18("8","6","8","10","10","1","1") = "9"
    & skf18("8","6","8","10","10","2","1") = "9"
    & skf18("8","6","8","10","10","3","1") = "9"
    & skf18("8","6","8","10","10","4","1") = "9"
    & skf18("8","6","8","10","10","5","1") = "9"
    & skf18("8","6","8","10","10","6","1") = "9"
    & skf18("8","6","8","10","10","7","1") = "9"
    & skf18("8","6","8","10","10","8","1") = "9"
    & skf18("8","6","8","10","10","9","1") = "9"
    & skf18("8","6","8","10","10","10","1") = "9"
    & skf18("8","6","9","1","1","1","1") = "8"
    & skf18("8","6","9","1","1","2","1") = "8"
    & skf18("8","6","9","1","1","3","1") = "8"
    & skf18("8","6","9","1","1","4","1") = "8"
    & skf18("8","6","9","1","1","5","1") = "8"
    & skf18("8","6","9","1","1","6","1") = "8"
    & skf18("8","6","9","1","1","7","1") = "8"
    & skf18("8","6","9","1","1","8","1") = "8"
    & skf18("8","6","9","1","1","9","1") = "8"
    & skf18("8","6","9","1","1","10","1") = "9"
    & skf18("8","6","9","1","2","1","1") = "8"
    & skf18("8","6","9","1","2","2","1") = "8"
    & skf18("8","6","9","1","2","3","1") = "8"
    & skf18("8","6","9","1","2","4","1") = "8"
    & skf18("8","6","9","1","2","5","1") = "8"
    & skf18("8","6","9","1","2","6","1") = "8"
    & skf18("8","6","9","1","2","7","1") = "8"
    & skf18("8","6","9","1","2","8","1") = "8"
    & skf18("8","6","9","1","2","9","1") = "8"
    & skf18("8","6","9","1","2","10","1") = "9"
    & skf18("8","6","9","1","3","1","1") = "8"
    & skf18("8","6","9","1","3","2","1") = "8"
    & skf18("8","6","9","1","3","3","1") = "8"
    & skf18("8","6","9","1","3","4","1") = "8"
    & skf18("8","6","9","1","3","5","1") = "8"
    & skf18("8","6","9","1","3","6","1") = "8"
    & skf18("8","6","9","1","3","7","1") = "8"
    & skf18("8","6","9","1","3","8","1") = "8"
    & skf18("8","6","9","1","3","9","1") = "8"
    & skf18("8","6","9","1","3","10","1") = "9"
    & skf18("8","6","9","1","4","1","1") = "8"
    & skf18("8","6","9","1","4","2","1") = "8"
    & skf18("8","6","9","1","4","3","1") = "8"
    & skf18("8","6","9","1","4","4","1") = "8"
    & skf18("8","6","9","1","4","5","1") = "8"
    & skf18("8","6","9","1","4","6","1") = "8"
    & skf18("8","6","9","1","4","7","1") = "8"
    & skf18("8","6","9","1","4","8","1") = "8"
    & skf18("8","6","9","1","4","9","1") = "8"
    & skf18("8","6","9","1","4","10","1") = "9"
    & skf18("8","6","9","1","5","1","1") = "8"
    & skf18("8","6","9","1","5","2","1") = "8"
    & skf18("8","6","9","1","5","3","1") = "8"
    & skf18("8","6","9","1","5","4","1") = "8"
    & skf18("8","6","9","1","5","5","1") = "8"
    & skf18("8","6","9","1","5","6","1") = "8"
    & skf18("8","6","9","1","5","7","1") = "8"
    & skf18("8","6","9","1","5","8","1") = "8"
    & skf18("8","6","9","1","5","9","1") = "8"
    & skf18("8","6","9","1","5","10","1") = "9"
    & skf18("8","6","9","1","6","1","1") = "8"
    & skf18("8","6","9","1","6","2","1") = "8"
    & skf18("8","6","9","1","6","3","1") = "8"
    & skf18("8","6","9","1","6","4","1") = "8"
    & skf18("8","6","9","1","6","5","1") = "8"
    & skf18("8","6","9","1","6","6","1") = "8"
    & skf18("8","6","9","1","6","7","1") = "8"
    & skf18("8","6","9","1","6","8","1") = "8"
    & skf18("8","6","9","1","6","9","1") = "8"
    & skf18("8","6","9","1","6","10","1") = "9"
    & skf18("8","6","9","1","7","1","1") = "8"
    & skf18("8","6","9","1","7","2","1") = "8"
    & skf18("8","6","9","1","7","3","1") = "8"
    & skf18("8","6","9","1","7","4","1") = "8"
    & skf18("8","6","9","1","7","5","1") = "8"
    & skf18("8","6","9","1","7","6","1") = "8"
    & skf18("8","6","9","1","7","7","1") = "8"
    & skf18("8","6","9","1","7","8","1") = "8"
    & skf18("8","6","9","1","7","9","1") = "8"
    & skf18("8","6","9","1","7","10","1") = "9"
    & skf18("8","6","9","1","8","1","1") = "8"
    & skf18("8","6","9","1","8","2","1") = "8"
    & skf18("8","6","9","1","8","3","1") = "8"
    & skf18("8","6","9","1","8","4","1") = "8"
    & skf18("8","6","9","1","8","5","1") = "8"
    & skf18("8","6","9","1","8","6","1") = "8"
    & skf18("8","6","9","1","8","7","1") = "8"
    & skf18("8","6","9","1","8","8","1") = "8"
    & skf18("8","6","9","1","8","9","1") = "8"
    & skf18("8","6","9","1","8","10","1") = "9"
    & skf18("8","6","9","1","9","1","1") = "8"
    & skf18("8","6","9","1","9","2","1") = "8"
    & skf18("8","6","9","1","9","3","1") = "8"
    & skf18("8","6","9","1","9","4","1") = "8"
    & skf18("8","6","9","1","9","5","1") = "8"
    & skf18("8","6","9","1","9","6","1") = "8"
    & skf18("8","6","9","1","9","7","1") = "8"
    & skf18("8","6","9","1","9","8","1") = "8"
    & skf18("8","6","9","1","9","9","1") = "8"
    & skf18("8","6","9","1","9","10","1") = "9"
    & skf18("8","6","9","1","10","1","1") = "9"
    & skf18("8","6","9","1","10","2","1") = "9"
    & skf18("8","6","9","1","10","3","1") = "9"
    & skf18("8","6","9","1","10","4","1") = "9"
    & skf18("8","6","9","1","10","5","1") = "9"
    & skf18("8","6","9","1","10","6","1") = "9"
    & skf18("8","6","9","1","10","7","1") = "9"
    & skf18("8","6","9","1","10","8","1") = "9"
    & skf18("8","6","9","1","10","9","1") = "9"
    & skf18("8","6","9","1","10","10","1") = "9"
    & skf18("8","6","9","2","1","1","1") = "8"
    & skf18("8","6","9","2","1","2","1") = "8"
    & skf18("8","6","9","2","1","3","1") = "8"
    & skf18("8","6","9","2","1","4","1") = "8"
    & skf18("8","6","9","2","1","5","1") = "8"
    & skf18("8","6","9","2","1","6","1") = "8"
    & skf18("8","6","9","2","1","7","1") = "8"
    & skf18("8","6","9","2","1","8","1") = "8"
    & skf18("8","6","9","2","1","9","1") = "8"
    & skf18("8","6","9","2","1","10","1") = "9"
    & skf18("8","6","9","2","2","1","1") = "8"
    & skf18("8","6","9","2","2","2","1") = "8"
    & skf18("8","6","9","2","2","3","1") = "8"
    & skf18("8","6","9","2","2","4","1") = "8"
    & skf18("8","6","9","2","2","5","1") = "8"
    & skf18("8","6","9","2","2","6","1") = "8"
    & skf18("8","6","9","2","2","7","1") = "8"
    & skf18("8","6","9","2","2","8","1") = "8"
    & skf18("8","6","9","2","2","9","1") = "8"
    & skf18("8","6","9","2","2","10","1") = "9"
    & skf18("8","6","9","2","3","1","1") = "8"
    & skf18("8","6","9","2","3","2","1") = "8"
    & skf18("8","6","9","2","3","3","1") = "8"
    & skf18("8","6","9","2","3","4","1") = "8"
    & skf18("8","6","9","2","3","5","1") = "8"
    & skf18("8","6","9","2","3","6","1") = "8"
    & skf18("8","6","9","2","3","7","1") = "8"
    & skf18("8","6","9","2","3","8","1") = "8"
    & skf18("8","6","9","2","3","9","1") = "8"
    & skf18("8","6","9","2","3","10","1") = "9"
    & skf18("8","6","9","2","4","1","1") = "8"
    & skf18("8","6","9","2","4","2","1") = "8"
    & skf18("8","6","9","2","4","3","1") = "8"
    & skf18("8","6","9","2","4","4","1") = "8"
    & skf18("8","6","9","2","4","5","1") = "8"
    & skf18("8","6","9","2","4","6","1") = "8"
    & skf18("8","6","9","2","4","7","1") = "8"
    & skf18("8","6","9","2","4","8","1") = "8"
    & skf18("8","6","9","2","4","9","1") = "8"
    & skf18("8","6","9","2","4","10","1") = "9"
    & skf18("8","6","9","2","5","1","1") = "8"
    & skf18("8","6","9","2","5","2","1") = "8"
    & skf18("8","6","9","2","5","3","1") = "8"
    & skf18("8","6","9","2","5","4","1") = "8"
    & skf18("8","6","9","2","5","5","1") = "8"
    & skf18("8","6","9","2","5","6","1") = "8"
    & skf18("8","6","9","2","5","7","1") = "8"
    & skf18("8","6","9","2","5","8","1") = "8"
    & skf18("8","6","9","2","5","9","1") = "8"
    & skf18("8","6","9","2","5","10","1") = "9"
    & skf18("8","6","9","2","6","1","1") = "8"
    & skf18("8","6","9","2","6","2","1") = "8"
    & skf18("8","6","9","2","6","3","1") = "8"
    & skf18("8","6","9","2","6","4","1") = "8"
    & skf18("8","6","9","2","6","5","1") = "8"
    & skf18("8","6","9","2","6","6","1") = "8"
    & skf18("8","6","9","2","6","7","1") = "8"
    & skf18("8","6","9","2","6","8","1") = "8"
    & skf18("8","6","9","2","6","9","1") = "8"
    & skf18("8","6","9","2","6","10","1") = "9"
    & skf18("8","6","9","2","7","1","1") = "8"
    & skf18("8","6","9","2","7","2","1") = "8"
    & skf18("8","6","9","2","7","3","1") = "8"
    & skf18("8","6","9","2","7","4","1") = "8"
    & skf18("8","6","9","2","7","5","1") = "8"
    & skf18("8","6","9","2","7","6","1") = "8"
    & skf18("8","6","9","2","7","7","1") = "8"
    & skf18("8","6","9","2","7","8","1") = "8"
    & skf18("8","6","9","2","7","9","1") = "8"
    & skf18("8","6","9","2","7","10","1") = "9"
    & skf18("8","6","9","2","8","1","1") = "8"
    & skf18("8","6","9","2","8","2","1") = "8"
    & skf18("8","6","9","2","8","3","1") = "8"
    & skf18("8","6","9","2","8","4","1") = "8"
    & skf18("8","6","9","2","8","5","1") = "8"
    & skf18("8","6","9","2","8","6","1") = "8"
    & skf18("8","6","9","2","8","7","1") = "8"
    & skf18("8","6","9","2","8","8","1") = "8"
    & skf18("8","6","9","2","8","9","1") = "8"
    & skf18("8","6","9","2","8","10","1") = "9"
    & skf18("8","6","9","2","9","1","1") = "8"
    & skf18("8","6","9","2","9","2","1") = "8"
    & skf18("8","6","9","2","9","3","1") = "8"
    & skf18("8","6","9","2","9","4","1") = "8"
    & skf18("8","6","9","2","9","5","1") = "8"
    & skf18("8","6","9","2","9","6","1") = "8"
    & skf18("8","6","9","2","9","7","1") = "8"
    & skf18("8","6","9","2","9","8","1") = "8"
    & skf18("8","6","9","2","9","9","1") = "8"
    & skf18("8","6","9","2","9","10","1") = "9"
    & skf18("8","6","9","2","10","1","1") = "9"
    & skf18("8","6","9","2","10","2","1") = "9"
    & skf18("8","6","9","2","10","3","1") = "9"
    & skf18("8","6","9","2","10","4","1") = "9"
    & skf18("8","6","9","2","10","5","1") = "9"
    & skf18("8","6","9","2","10","6","1") = "9"
    & skf18("8","6","9","2","10","7","1") = "9"
    & skf18("8","6","9","2","10","8","1") = "9"
    & skf18("8","6","9","2","10","9","1") = "9"
    & skf18("8","6","9","2","10","10","1") = "9"
    & skf18("8","6","9","3","1","1","1") = "8"
    & skf18("8","6","9","3","1","2","1") = "8"
    & skf18("8","6","9","3","1","3","1") = "8"
    & skf18("8","6","9","3","1","4","1") = "8"
    & skf18("8","6","9","3","1","5","1") = "8"
    & skf18("8","6","9","3","1","6","1") = "8"
    & skf18("8","6","9","3","1","7","1") = "8"
    & skf18("8","6","9","3","1","8","1") = "8"
    & skf18("8","6","9","3","1","9","1") = "8"
    & skf18("8","6","9","3","1","10","1") = "9"
    & skf18("8","6","9","3","2","1","1") = "8"
    & skf18("8","6","9","3","2","2","1") = "8"
    & skf18("8","6","9","3","2","3","1") = "8"
    & skf18("8","6","9","3","2","4","1") = "8"
    & skf18("8","6","9","3","2","5","1") = "8"
    & skf18("8","6","9","3","2","6","1") = "8"
    & skf18("8","6","9","3","2","7","1") = "8"
    & skf18("8","6","9","3","2","8","1") = "8"
    & skf18("8","6","9","3","2","9","1") = "8"
    & skf18("8","6","9","3","2","10","1") = "9"
    & skf18("8","6","9","3","3","1","1") = "8"
    & skf18("8","6","9","3","3","2","1") = "8"
    & skf18("8","6","9","3","3","3","1") = "8"
    & skf18("8","6","9","3","3","4","1") = "8"
    & skf18("8","6","9","3","3","5","1") = "8"
    & skf18("8","6","9","3","3","6","1") = "8"
    & skf18("8","6","9","3","3","7","1") = "8"
    & skf18("8","6","9","3","3","8","1") = "8"
    & skf18("8","6","9","3","3","9","1") = "8"
    & skf18("8","6","9","3","3","10","1") = "9"
    & skf18("8","6","9","3","4","1","1") = "8"
    & skf18("8","6","9","3","4","2","1") = "8"
    & skf18("8","6","9","3","4","3","1") = "8"
    & skf18("8","6","9","3","4","4","1") = "8"
    & skf18("8","6","9","3","4","5","1") = "8"
    & skf18("8","6","9","3","4","6","1") = "8"
    & skf18("8","6","9","3","4","7","1") = "8"
    & skf18("8","6","9","3","4","8","1") = "8"
    & skf18("8","6","9","3","4","9","1") = "8"
    & skf18("8","6","9","3","4","10","1") = "9"
    & skf18("8","6","9","3","5","1","1") = "8"
    & skf18("8","6","9","3","5","2","1") = "8"
    & skf18("8","6","9","3","5","3","1") = "8"
    & skf18("8","6","9","3","5","4","1") = "8"
    & skf18("8","6","9","3","5","5","1") = "8"
    & skf18("8","6","9","3","5","6","1") = "8"
    & skf18("8","6","9","3","5","7","1") = "8"
    & skf18("8","6","9","3","5","8","1") = "8"
    & skf18("8","6","9","3","5","9","1") = "8"
    & skf18("8","6","9","3","5","10","1") = "9"
    & skf18("8","6","9","3","6","1","1") = "8"
    & skf18("8","6","9","3","6","2","1") = "8"
    & skf18("8","6","9","3","6","3","1") = "8"
    & skf18("8","6","9","3","6","4","1") = "8"
    & skf18("8","6","9","3","6","5","1") = "8"
    & skf18("8","6","9","3","6","6","1") = "8"
    & skf18("8","6","9","3","6","7","1") = "8"
    & skf18("8","6","9","3","6","8","1") = "8"
    & skf18("8","6","9","3","6","9","1") = "8"
    & skf18("8","6","9","3","6","10","1") = "9"
    & skf18("8","6","9","3","7","1","1") = "8"
    & skf18("8","6","9","3","7","2","1") = "8"
    & skf18("8","6","9","3","7","3","1") = "8"
    & skf18("8","6","9","3","7","4","1") = "8"
    & skf18("8","6","9","3","7","5","1") = "8"
    & skf18("8","6","9","3","7","6","1") = "8"
    & skf18("8","6","9","3","7","7","1") = "8"
    & skf18("8","6","9","3","7","8","1") = "8"
    & skf18("8","6","9","3","7","9","1") = "8"
    & skf18("8","6","9","3","7","10","1") = "9"
    & skf18("8","6","9","3","8","1","1") = "8"
    & skf18("8","6","9","3","8","2","1") = "8"
    & skf18("8","6","9","3","8","3","1") = "8"
    & skf18("8","6","9","3","8","4","1") = "8"
    & skf18("8","6","9","3","8","5","1") = "8"
    & skf18("8","6","9","3","8","6","1") = "8"
    & skf18("8","6","9","3","8","7","1") = "8"
    & skf18("8","6","9","3","8","8","1") = "8"
    & skf18("8","6","9","3","8","9","1") = "8"
    & skf18("8","6","9","3","8","10","1") = "9"
    & skf18("8","6","9","3","9","1","1") = "8"
    & skf18("8","6","9","3","9","2","1") = "8"
    & skf18("8","6","9","3","9","3","1") = "8"
    & skf18("8","6","9","3","9","4","1") = "8"
    & skf18("8","6","9","3","9","5","1") = "8"
    & skf18("8","6","9","3","9","6","1") = "8"
    & skf18("8","6","9","3","9","7","1") = "8"
    & skf18("8","6","9","3","9","8","1") = "8"
    & skf18("8","6","9","3","9","9","1") = "8"
    & skf18("8","6","9","3","9","10","1") = "9"
    & skf18("8","6","9","3","10","1","1") = "9"
    & skf18("8","6","9","3","10","2","1") = "9"
    & skf18("8","6","9","3","10","3","1") = "9"
    & skf18("8","6","9","3","10","4","1") = "9"
    & skf18("8","6","9","3","10","5","1") = "9"
    & skf18("8","6","9","3","10","6","1") = "9"
    & skf18("8","6","9","3","10","7","1") = "9"
    & skf18("8","6","9","3","10","8","1") = "9"
    & skf18("8","6","9","3","10","9","1") = "9"
    & skf18("8","6","9","3","10","10","1") = "9"
    & skf18("8","6","9","4","1","1","1") = "8"
    & skf18("8","6","9","4","1","2","1") = "8"
    & skf18("8","6","9","4","1","3","1") = "8"
    & skf18("8","6","9","4","1","4","1") = "8"
    & skf18("8","6","9","4","1","5","1") = "8"
    & skf18("8","6","9","4","1","6","1") = "8"
    & skf18("8","6","9","4","1","7","1") = "8"
    & skf18("8","6","9","4","1","8","1") = "8"
    & skf18("8","6","9","4","1","9","1") = "8"
    & skf18("8","6","9","4","1","10","1") = "9"
    & skf18("8","6","9","4","2","1","1") = "8"
    & skf18("8","6","9","4","2","2","1") = "8"
    & skf18("8","6","9","4","2","3","1") = "8"
    & skf18("8","6","9","4","2","4","1") = "8"
    & skf18("8","6","9","4","2","5","1") = "8"
    & skf18("8","6","9","4","2","6","1") = "8"
    & skf18("8","6","9","4","2","7","1") = "8"
    & skf18("8","6","9","4","2","8","1") = "8"
    & skf18("8","6","9","4","2","9","1") = "8"
    & skf18("8","6","9","4","2","10","1") = "9"
    & skf18("8","6","9","4","3","1","1") = "8"
    & skf18("8","6","9","4","3","2","1") = "8"
    & skf18("8","6","9","4","3","3","1") = "8"
    & skf18("8","6","9","4","3","4","1") = "8"
    & skf18("8","6","9","4","3","5","1") = "8"
    & skf18("8","6","9","4","3","6","1") = "8"
    & skf18("8","6","9","4","3","7","1") = "8"
    & skf18("8","6","9","4","3","8","1") = "8"
    & skf18("8","6","9","4","3","9","1") = "8"
    & skf18("8","6","9","4","3","10","1") = "9"
    & skf18("8","6","9","4","4","1","1") = "8"
    & skf18("8","6","9","4","4","2","1") = "8"
    & skf18("8","6","9","4","4","3","1") = "8"
    & skf18("8","6","9","4","4","4","1") = "8"
    & skf18("8","6","9","4","4","5","1") = "8"
    & skf18("8","6","9","4","4","6","1") = "8"
    & skf18("8","6","9","4","4","7","1") = "8"
    & skf18("8","6","9","4","4","8","1") = "8"
    & skf18("8","6","9","4","4","9","1") = "8"
    & skf18("8","6","9","4","4","10","1") = "9"
    & skf18("8","6","9","4","5","1","1") = "8"
    & skf18("8","6","9","4","5","2","1") = "8"
    & skf18("8","6","9","4","5","3","1") = "8"
    & skf18("8","6","9","4","5","4","1") = "8"
    & skf18("8","6","9","4","5","5","1") = "8"
    & skf18("8","6","9","4","5","6","1") = "8"
    & skf18("8","6","9","4","5","7","1") = "8"
    & skf18("8","6","9","4","5","8","1") = "8"
    & skf18("8","6","9","4","5","9","1") = "8"
    & skf18("8","6","9","4","5","10","1") = "9"
    & skf18("8","6","9","4","6","1","1") = "8"
    & skf18("8","6","9","4","6","2","1") = "8"
    & skf18("8","6","9","4","6","3","1") = "8"
    & skf18("8","6","9","4","6","4","1") = "8"
    & skf18("8","6","9","4","6","5","1") = "8"
    & skf18("8","6","9","4","6","6","1") = "8"
    & skf18("8","6","9","4","6","7","1") = "8"
    & skf18("8","6","9","4","6","8","1") = "8"
    & skf18("8","6","9","4","6","9","1") = "8"
    & skf18("8","6","9","4","6","10","1") = "9"
    & skf18("8","6","9","4","7","1","1") = "8"
    & skf18("8","6","9","4","7","2","1") = "8"
    & skf18("8","6","9","4","7","3","1") = "8"
    & skf18("8","6","9","4","7","4","1") = "8"
    & skf18("8","6","9","4","7","5","1") = "8"
    & skf18("8","6","9","4","7","6","1") = "8"
    & skf18("8","6","9","4","7","7","1") = "8"
    & skf18("8","6","9","4","7","8","1") = "8"
    & skf18("8","6","9","4","7","9","1") = "8"
    & skf18("8","6","9","4","7","10","1") = "9"
    & skf18("8","6","9","4","8","1","1") = "8"
    & skf18("8","6","9","4","8","2","1") = "8"
    & skf18("8","6","9","4","8","3","1") = "8"
    & skf18("8","6","9","4","8","4","1") = "8"
    & skf18("8","6","9","4","8","5","1") = "8"
    & skf18("8","6","9","4","8","6","1") = "8"
    & skf18("8","6","9","4","8","7","1") = "8"
    & skf18("8","6","9","4","8","8","1") = "8"
    & skf18("8","6","9","4","8","9","1") = "8"
    & skf18("8","6","9","4","8","10","1") = "9"
    & skf18("8","6","9","4","9","1","1") = "8"
    & skf18("8","6","9","4","9","2","1") = "8"
    & skf18("8","6","9","4","9","3","1") = "8"
    & skf18("8","6","9","4","9","4","1") = "8"
    & skf18("8","6","9","4","9","5","1") = "8"
    & skf18("8","6","9","4","9","6","1") = "8"
    & skf18("8","6","9","4","9","7","1") = "8"
    & skf18("8","6","9","4","9","8","1") = "8"
    & skf18("8","6","9","4","9","9","1") = "8"
    & skf18("8","6","9","4","9","10","1") = "9"
    & skf18("8","6","9","4","10","1","1") = "9"
    & skf18("8","6","9","4","10","2","1") = "9"
    & skf18("8","6","9","4","10","3","1") = "9"
    & skf18("8","6","9","4","10","4","1") = "9"
    & skf18("8","6","9","4","10","5","1") = "9"
    & skf18("8","6","9","4","10","6","1") = "9"
    & skf18("8","6","9","4","10","7","1") = "9"
    & skf18("8","6","9","4","10","8","1") = "9"
    & skf18("8","6","9","4","10","9","1") = "9"
    & skf18("8","6","9","4","10","10","1") = "9"
    & skf18("8","6","9","5","1","1","1") = "8"
    & skf18("8","6","9","5","1","2","1") = "8"
    & skf18("8","6","9","5","1","3","1") = "8"
    & skf18("8","6","9","5","1","4","1") = "8"
    & skf18("8","6","9","5","1","5","1") = "8"
    & skf18("8","6","9","5","1","6","1") = "8"
    & skf18("8","6","9","5","1","7","1") = "8"
    & skf18("8","6","9","5","1","8","1") = "8"
    & skf18("8","6","9","5","1","9","1") = "8"
    & skf18("8","6","9","5","1","10","1") = "9"
    & skf18("8","6","9","5","2","1","1") = "8"
    & skf18("8","6","9","5","2","2","1") = "8"
    & skf18("8","6","9","5","2","3","1") = "8"
    & skf18("8","6","9","5","2","4","1") = "8"
    & skf18("8","6","9","5","2","5","1") = "8"
    & skf18("8","6","9","5","2","6","1") = "8"
    & skf18("8","6","9","5","2","7","1") = "8"
    & skf18("8","6","9","5","2","8","1") = "8"
    & skf18("8","6","9","5","2","9","1") = "8"
    & skf18("8","6","9","5","2","10","1") = "9"
    & skf18("8","6","9","5","3","1","1") = "8"
    & skf18("8","6","9","5","3","2","1") = "8"
    & skf18("8","6","9","5","3","3","1") = "8"
    & skf18("8","6","9","5","3","4","1") = "8"
    & skf18("8","6","9","5","3","5","1") = "8"
    & skf18("8","6","9","5","3","6","1") = "8"
    & skf18("8","6","9","5","3","7","1") = "8"
    & skf18("8","6","9","5","3","8","1") = "8"
    & skf18("8","6","9","5","3","9","1") = "8"
    & skf18("8","6","9","5","3","10","1") = "9"
    & skf18("8","6","9","5","4","1","1") = "8"
    & skf18("8","6","9","5","4","2","1") = "8"
    & skf18("8","6","9","5","4","3","1") = "8"
    & skf18("8","6","9","5","4","4","1") = "8"
    & skf18("8","6","9","5","4","5","1") = "8"
    & skf18("8","6","9","5","4","6","1") = "8"
    & skf18("8","6","9","5","4","7","1") = "8"
    & skf18("8","6","9","5","4","8","1") = "8"
    & skf18("8","6","9","5","4","9","1") = "8"
    & skf18("8","6","9","5","4","10","1") = "9"
    & skf18("8","6","9","5","5","1","1") = "8"
    & skf18("8","6","9","5","5","2","1") = "8"
    & skf18("8","6","9","5","5","3","1") = "8"
    & skf18("8","6","9","5","5","4","1") = "8"
    & skf18("8","6","9","5","5","5","1") = "8"
    & skf18("8","6","9","5","5","6","1") = "8"
    & skf18("8","6","9","5","5","7","1") = "8"
    & skf18("8","6","9","5","5","8","1") = "8"
    & skf18("8","6","9","5","5","9","1") = "8"
    & skf18("8","6","9","5","5","10","1") = "9"
    & skf18("8","6","9","5","6","1","1") = "8"
    & skf18("8","6","9","5","6","2","1") = "8"
    & skf18("8","6","9","5","6","3","1") = "8"
    & skf18("8","6","9","5","6","4","1") = "8"
    & skf18("8","6","9","5","6","5","1") = "8"
    & skf18("8","6","9","5","6","6","1") = "8"
    & skf18("8","6","9","5","6","7","1") = "8"
    & skf18("8","6","9","5","6","8","1") = "8"
    & skf18("8","6","9","5","6","9","1") = "8"
    & skf18("8","6","9","5","6","10","1") = "9"
    & skf18("8","6","9","5","7","1","1") = "8"
    & skf18("8","6","9","5","7","2","1") = "8"
    & skf18("8","6","9","5","7","3","1") = "8"
    & skf18("8","6","9","5","7","4","1") = "8"
    & skf18("8","6","9","5","7","5","1") = "8"
    & skf18("8","6","9","5","7","6","1") = "8"
    & skf18("8","6","9","5","7","7","1") = "8"
    & skf18("8","6","9","5","7","8","1") = "8"
    & skf18("8","6","9","5","7","9","1") = "8"
    & skf18("8","6","9","5","7","10","1") = "9"
    & skf18("8","6","9","5","8","1","1") = "8"
    & skf18("8","6","9","5","8","2","1") = "8"
    & skf18("8","6","9","5","8","3","1") = "8"
    & skf18("8","6","9","5","8","4","1") = "8"
    & skf18("8","6","9","5","8","5","1") = "8"
    & skf18("8","6","9","5","8","6","1") = "8"
    & skf18("8","6","9","5","8","7","1") = "8"
    & skf18("8","6","9","5","8","8","1") = "8"
    & skf18("8","6","9","5","8","9","1") = "8"
    & skf18("8","6","9","5","8","10","1") = "9"
    & skf18("8","6","9","5","9","1","1") = "8"
    & skf18("8","6","9","5","9","2","1") = "8"
    & skf18("8","6","9","5","9","3","1") = "8"
    & skf18("8","6","9","5","9","4","1") = "8"
    & skf18("8","6","9","5","9","5","1") = "8"
    & skf18("8","6","9","5","9","6","1") = "8"
    & skf18("8","6","9","5","9","7","1") = "8"
    & skf18("8","6","9","5","9","8","1") = "8"
    & skf18("8","6","9","5","9","9","1") = "8"
    & skf18("8","6","9","5","9","10","1") = "9"
    & skf18("8","6","9","5","10","1","1") = "9"
    & skf18("8","6","9","5","10","2","1") = "9"
    & skf18("8","6","9","5","10","3","1") = "9"
    & skf18("8","6","9","5","10","4","1") = "9"
    & skf18("8","6","9","5","10","5","1") = "9"
    & skf18("8","6","9","5","10","6","1") = "9"
    & skf18("8","6","9","5","10","7","1") = "9"
    & skf18("8","6","9","5","10","8","1") = "9"
    & skf18("8","6","9","5","10","9","1") = "9"
    & skf18("8","6","9","5","10","10","1") = "9"
    & skf18("8","6","9","6","1","1","1") = "8"
    & skf18("8","6","9","6","1","2","1") = "8"
    & skf18("8","6","9","6","1","3","1") = "8"
    & skf18("8","6","9","6","1","4","1") = "8"
    & skf18("8","6","9","6","1","5","1") = "8"
    & skf18("8","6","9","6","1","6","1") = "8"
    & skf18("8","6","9","6","1","7","1") = "8"
    & skf18("8","6","9","6","1","8","1") = "8"
    & skf18("8","6","9","6","1","9","1") = "8"
    & skf18("8","6","9","6","1","10","1") = "9"
    & skf18("8","6","9","6","2","1","1") = "8"
    & skf18("8","6","9","6","2","2","1") = "8"
    & skf18("8","6","9","6","2","3","1") = "8"
    & skf18("8","6","9","6","2","4","1") = "8"
    & skf18("8","6","9","6","2","5","1") = "8"
    & skf18("8","6","9","6","2","6","1") = "8"
    & skf18("8","6","9","6","2","7","1") = "8"
    & skf18("8","6","9","6","2","8","1") = "8"
    & skf18("8","6","9","6","2","9","1") = "8"
    & skf18("8","6","9","6","2","10","1") = "9"
    & skf18("8","6","9","6","3","1","1") = "8"
    & skf18("8","6","9","6","3","2","1") = "8"
    & skf18("8","6","9","6","3","3","1") = "8"
    & skf18("8","6","9","6","3","4","1") = "8"
    & skf18("8","6","9","6","3","5","1") = "8"
    & skf18("8","6","9","6","3","6","1") = "8"
    & skf18("8","6","9","6","3","7","1") = "8"
    & skf18("8","6","9","6","3","8","1") = "8"
    & skf18("8","6","9","6","3","9","1") = "8"
    & skf18("8","6","9","6","3","10","1") = "9"
    & skf18("8","6","9","6","4","1","1") = "8"
    & skf18("8","6","9","6","4","2","1") = "8"
    & skf18("8","6","9","6","4","3","1") = "8"
    & skf18("8","6","9","6","4","4","1") = "8"
    & skf18("8","6","9","6","4","5","1") = "8"
    & skf18("8","6","9","6","4","6","1") = "8"
    & skf18("8","6","9","6","4","7","1") = "8"
    & skf18("8","6","9","6","4","8","1") = "8"
    & skf18("8","6","9","6","4","9","1") = "8"
    & skf18("8","6","9","6","4","10","1") = "9"
    & skf18("8","6","9","6","5","1","1") = "8"
    & skf18("8","6","9","6","5","2","1") = "8"
    & skf18("8","6","9","6","5","3","1") = "8"
    & skf18("8","6","9","6","5","4","1") = "8"
    & skf18("8","6","9","6","5","5","1") = "8"
    & skf18("8","6","9","6","5","6","1") = "8"
    & skf18("8","6","9","6","5","7","1") = "8"
    & skf18("8","6","9","6","5","8","1") = "8"
    & skf18("8","6","9","6","5","9","1") = "8"
    & skf18("8","6","9","6","5","10","1") = "9"
    & skf18("8","6","9","6","6","1","1") = "8"
    & skf18("8","6","9","6","6","2","1") = "8"
    & skf18("8","6","9","6","6","3","1") = "8"
    & skf18("8","6","9","6","6","4","1") = "8"
    & skf18("8","6","9","6","6","5","1") = "8"
    & skf18("8","6","9","6","6","6","1") = "8"
    & skf18("8","6","9","6","6","7","1") = "8"
    & skf18("8","6","9","6","6","8","1") = "8"
    & skf18("8","6","9","6","6","9","1") = "8"
    & skf18("8","6","9","6","6","10","1") = "9"
    & skf18("8","6","9","6","7","1","1") = "8"
    & skf18("8","6","9","6","7","2","1") = "8"
    & skf18("8","6","9","6","7","3","1") = "8"
    & skf18("8","6","9","6","7","4","1") = "8"
    & skf18("8","6","9","6","7","5","1") = "8"
    & skf18("8","6","9","6","7","6","1") = "8"
    & skf18("8","6","9","6","7","7","1") = "8"
    & skf18("8","6","9","6","7","8","1") = "8"
    & skf18("8","6","9","6","7","9","1") = "8"
    & skf18("8","6","9","6","7","10","1") = "9"
    & skf18("8","6","9","6","8","1","1") = "8"
    & skf18("8","6","9","6","8","2","1") = "8"
    & skf18("8","6","9","6","8","3","1") = "8"
    & skf18("8","6","9","6","8","4","1") = "8"
    & skf18("8","6","9","6","8","5","1") = "8"
    & skf18("8","6","9","6","8","6","1") = "8"
    & skf18("8","6","9","6","8","7","1") = "8"
    & skf18("8","6","9","6","8","8","1") = "8"
    & skf18("8","6","9","6","8","9","1") = "8"
    & skf18("8","6","9","6","8","10","1") = "9"
    & skf18("8","6","9","6","9","1","1") = "8"
    & skf18("8","6","9","6","9","2","1") = "8"
    & skf18("8","6","9","6","9","3","1") = "8"
    & skf18("8","6","9","6","9","4","1") = "8"
    & skf18("8","6","9","6","9","5","1") = "8"
    & skf18("8","6","9","6","9","6","1") = "8"
    & skf18("8","6","9","6","9","7","1") = "8"
    & skf18("8","6","9","6","9","8","1") = "8"
    & skf18("8","6","9","6","9","9","1") = "8"
    & skf18("8","6","9","6","9","10","1") = "9"
    & skf18("8","6","9","6","10","1","1") = "9"
    & skf18("8","6","9","6","10","2","1") = "9"
    & skf18("8","6","9","6","10","3","1") = "9"
    & skf18("8","6","9","6","10","4","1") = "9"
    & skf18("8","6","9","6","10","5","1") = "9"
    & skf18("8","6","9","6","10","6","1") = "9"
    & skf18("8","6","9","6","10","7","1") = "9"
    & skf18("8","6","9","6","10","8","1") = "9"
    & skf18("8","6","9","6","10","9","1") = "9"
    & skf18("8","6","9","6","10","10","1") = "9"
    & skf18("8","6","9","7","1","1","1") = "8"
    & skf18("8","6","9","7","1","2","1") = "8"
    & skf18("8","6","9","7","1","3","1") = "8"
    & skf18("8","6","9","7","1","4","1") = "8"
    & skf18("8","6","9","7","1","5","1") = "8"
    & skf18("8","6","9","7","1","6","1") = "8"
    & skf18("8","6","9","7","1","7","1") = "8"
    & skf18("8","6","9","7","1","8","1") = "8"
    & skf18("8","6","9","7","1","9","1") = "8"
    & skf18("8","6","9","7","1","10","1") = "9"
    & skf18("8","6","9","7","2","1","1") = "8"
    & skf18("8","6","9","7","2","2","1") = "8"
    & skf18("8","6","9","7","2","3","1") = "8"
    & skf18("8","6","9","7","2","4","1") = "8"
    & skf18("8","6","9","7","2","5","1") = "8"
    & skf18("8","6","9","7","2","6","1") = "8"
    & skf18("8","6","9","7","2","7","1") = "8"
    & skf18("8","6","9","7","2","8","1") = "8"
    & skf18("8","6","9","7","2","9","1") = "8"
    & skf18("8","6","9","7","2","10","1") = "9"
    & skf18("8","6","9","7","3","1","1") = "8"
    & skf18("8","6","9","7","3","2","1") = "8"
    & skf18("8","6","9","7","3","3","1") = "8"
    & skf18("8","6","9","7","3","4","1") = "8"
    & skf18("8","6","9","7","3","5","1") = "8"
    & skf18("8","6","9","7","3","6","1") = "8"
    & skf18("8","6","9","7","3","7","1") = "8"
    & skf18("8","6","9","7","3","8","1") = "8"
    & skf18("8","6","9","7","3","9","1") = "8"
    & skf18("8","6","9","7","3","10","1") = "9"
    & skf18("8","6","9","7","4","1","1") = "8"
    & skf18("8","6","9","7","4","2","1") = "8"
    & skf18("8","6","9","7","4","3","1") = "8"
    & skf18("8","6","9","7","4","4","1") = "8"
    & skf18("8","6","9","7","4","5","1") = "8"
    & skf18("8","6","9","7","4","6","1") = "8"
    & skf18("8","6","9","7","4","7","1") = "8"
    & skf18("8","6","9","7","4","8","1") = "8"
    & skf18("8","6","9","7","4","9","1") = "8"
    & skf18("8","6","9","7","4","10","1") = "9"
    & skf18("8","6","9","7","5","1","1") = "8"
    & skf18("8","6","9","7","5","2","1") = "8"
    & skf18("8","6","9","7","5","3","1") = "8"
    & skf18("8","6","9","7","5","4","1") = "8"
    & skf18("8","6","9","7","5","5","1") = "8"
    & skf18("8","6","9","7","5","6","1") = "8"
    & skf18("8","6","9","7","5","7","1") = "8"
    & skf18("8","6","9","7","5","8","1") = "8"
    & skf18("8","6","9","7","5","9","1") = "8"
    & skf18("8","6","9","7","5","10","1") = "9"
    & skf18("8","6","9","7","6","1","1") = "8"
    & skf18("8","6","9","7","6","2","1") = "8"
    & skf18("8","6","9","7","6","3","1") = "8"
    & skf18("8","6","9","7","6","4","1") = "8"
    & skf18("8","6","9","7","6","5","1") = "8"
    & skf18("8","6","9","7","6","6","1") = "8"
    & skf18("8","6","9","7","6","7","1") = "8"
    & skf18("8","6","9","7","6","8","1") = "8"
    & skf18("8","6","9","7","6","9","1") = "8"
    & skf18("8","6","9","7","6","10","1") = "9"
    & skf18("8","6","9","7","7","1","1") = "8"
    & skf18("8","6","9","7","7","2","1") = "8"
    & skf18("8","6","9","7","7","3","1") = "8"
    & skf18("8","6","9","7","7","4","1") = "8"
    & skf18("8","6","9","7","7","5","1") = "8"
    & skf18("8","6","9","7","7","6","1") = "8"
    & skf18("8","6","9","7","7","7","1") = "8"
    & skf18("8","6","9","7","7","8","1") = "8"
    & skf18("8","6","9","7","7","9","1") = "8"
    & skf18("8","6","9","7","7","10","1") = "9"
    & skf18("8","6","9","7","8","1","1") = "8"
    & skf18("8","6","9","7","8","2","1") = "8"
    & skf18("8","6","9","7","8","3","1") = "8"
    & skf18("8","6","9","7","8","4","1") = "8"
    & skf18("8","6","9","7","8","5","1") = "8"
    & skf18("8","6","9","7","8","6","1") = "8"
    & skf18("8","6","9","7","8","7","1") = "8"
    & skf18("8","6","9","7","8","8","1") = "8"
    & skf18("8","6","9","7","8","9","1") = "8"
    & skf18("8","6","9","7","8","10","1") = "9"
    & skf18("8","6","9","7","9","1","1") = "8"
    & skf18("8","6","9","7","9","2","1") = "8"
    & skf18("8","6","9","7","9","3","1") = "8"
    & skf18("8","6","9","7","9","4","1") = "8"
    & skf18("8","6","9","7","9","5","1") = "8"
    & skf18("8","6","9","7","9","6","1") = "8"
    & skf18("8","6","9","7","9","7","1") = "8"
    & skf18("8","6","9","7","9","8","1") = "8"
    & skf18("8","6","9","7","9","9","1") = "8"
    & skf18("8","6","9","7","9","10","1") = "9"
    & skf18("8","6","9","7","10","1","1") = "9"
    & skf18("8","6","9","7","10","2","1") = "9"
    & skf18("8","6","9","7","10","3","1") = "9"
    & skf18("8","6","9","7","10","4","1") = "9"
    & skf18("8","6","9","7","10","5","1") = "9"
    & skf18("8","6","9","7","10","6","1") = "9"
    & skf18("8","6","9","7","10","7","1") = "9"
    & skf18("8","6","9","7","10","8","1") = "9"
    & skf18("8","6","9","7","10","9","1") = "9"
    & skf18("8","6","9","7","10","10","1") = "9"
    & skf18("8","6","9","8","1","1","1") = "8"
    & skf18("8","6","9","8","1","2","1") = "8"
    & skf18("8","6","9","8","1","3","1") = "8"
    & skf18("8","6","9","8","1","4","1") = "8"
    & skf18("8","6","9","8","1","5","1") = "8"
    & skf18("8","6","9","8","1","6","1") = "8"
    & skf18("8","6","9","8","1","7","1") = "8"
    & skf18("8","6","9","8","1","8","1") = "8"
    & skf18("8","6","9","8","1","9","1") = "8"
    & skf18("8","6","9","8","1","10","1") = "9"
    & skf18("8","6","9","8","2","1","1") = "8"
    & skf18("8","6","9","8","2","2","1") = "8"
    & skf18("8","6","9","8","2","3","1") = "8"
    & skf18("8","6","9","8","2","4","1") = "8"
    & skf18("8","6","9","8","2","5","1") = "8"
    & skf18("8","6","9","8","2","6","1") = "8"
    & skf18("8","6","9","8","2","7","1") = "8"
    & skf18("8","6","9","8","2","8","1") = "8"
    & skf18("8","6","9","8","2","9","1") = "8"
    & skf18("8","6","9","8","2","10","1") = "9"
    & skf18("8","6","9","8","3","1","1") = "8"
    & skf18("8","6","9","8","3","2","1") = "8"
    & skf18("8","6","9","8","3","3","1") = "8"
    & skf18("8","6","9","8","3","4","1") = "8"
    & skf18("8","6","9","8","3","5","1") = "8"
    & skf18("8","6","9","8","3","6","1") = "8"
    & skf18("8","6","9","8","3","7","1") = "8"
    & skf18("8","6","9","8","3","8","1") = "8"
    & skf18("8","6","9","8","3","9","1") = "8"
    & skf18("8","6","9","8","3","10","1") = "9"
    & skf18("8","6","9","8","4","1","1") = "8"
    & skf18("8","6","9","8","4","2","1") = "8"
    & skf18("8","6","9","8","4","3","1") = "8"
    & skf18("8","6","9","8","4","4","1") = "8"
    & skf18("8","6","9","8","4","5","1") = "8"
    & skf18("8","6","9","8","4","6","1") = "8"
    & skf18("8","6","9","8","4","7","1") = "8"
    & skf18("8","6","9","8","4","8","1") = "8"
    & skf18("8","6","9","8","4","9","1") = "8"
    & skf18("8","6","9","8","4","10","1") = "9"
    & skf18("8","6","9","8","5","1","1") = "8"
    & skf18("8","6","9","8","5","2","1") = "8"
    & skf18("8","6","9","8","5","3","1") = "8"
    & skf18("8","6","9","8","5","4","1") = "8"
    & skf18("8","6","9","8","5","5","1") = "8"
    & skf18("8","6","9","8","5","6","1") = "8"
    & skf18("8","6","9","8","5","7","1") = "8"
    & skf18("8","6","9","8","5","8","1") = "8"
    & skf18("8","6","9","8","5","9","1") = "8"
    & skf18("8","6","9","8","5","10","1") = "9"
    & skf18("8","6","9","8","6","1","1") = "8"
    & skf18("8","6","9","8","6","2","1") = "8"
    & skf18("8","6","9","8","6","3","1") = "8"
    & skf18("8","6","9","8","6","4","1") = "8"
    & skf18("8","6","9","8","6","5","1") = "8"
    & skf18("8","6","9","8","6","6","1") = "8"
    & skf18("8","6","9","8","6","7","1") = "8"
    & skf18("8","6","9","8","6","8","1") = "8"
    & skf18("8","6","9","8","6","9","1") = "8"
    & skf18("8","6","9","8","6","10","1") = "9"
    & skf18("8","6","9","8","7","1","1") = "8"
    & skf18("8","6","9","8","7","2","1") = "8"
    & skf18("8","6","9","8","7","3","1") = "8"
    & skf18("8","6","9","8","7","4","1") = "8"
    & skf18("8","6","9","8","7","5","1") = "8"
    & skf18("8","6","9","8","7","6","1") = "8"
    & skf18("8","6","9","8","7","7","1") = "8"
    & skf18("8","6","9","8","7","8","1") = "8"
    & skf18("8","6","9","8","7","9","1") = "8"
    & skf18("8","6","9","8","7","10","1") = "9"
    & skf18("8","6","9","8","8","1","1") = "8"
    & skf18("8","6","9","8","8","2","1") = "8"
    & skf18("8","6","9","8","8","3","1") = "8"
    & skf18("8","6","9","8","8","4","1") = "8"
    & skf18("8","6","9","8","8","5","1") = "8"
    & skf18("8","6","9","8","8","6","1") = "8"
    & skf18("8","6","9","8","8","7","1") = "8"
    & skf18("8","6","9","8","8","8","1") = "8"
    & skf18("8","6","9","8","8","9","1") = "8"
    & skf18("8","6","9","8","8","10","1") = "9"
    & skf18("8","6","9","8","9","1","1") = "8"
    & skf18("8","6","9","8","9","2","1") = "8"
    & skf18("8","6","9","8","9","3","1") = "8"
    & skf18("8","6","9","8","9","4","1") = "8"
    & skf18("8","6","9","8","9","5","1") = "8"
    & skf18("8","6","9","8","9","6","1") = "8"
    & skf18("8","6","9","8","9","7","1") = "8"
    & skf18("8","6","9","8","9","8","1") = "8"
    & skf18("8","6","9","8","9","9","1") = "8"
    & skf18("8","6","9","8","9","10","1") = "9"
    & skf18("8","6","9","8","10","1","1") = "9"
    & skf18("8","6","9","8","10","2","1") = "9"
    & skf18("8","6","9","8","10","3","1") = "9"
    & skf18("8","6","9","8","10","4","1") = "9"
    & skf18("8","6","9","8","10","5","1") = "9"
    & skf18("8","6","9","8","10","6","1") = "9"
    & skf18("8","6","9","8","10","7","1") = "9"
    & skf18("8","6","9","8","10","8","1") = "9"
    & skf18("8","6","9","8","10","9","1") = "9"
    & skf18("8","6","9","8","10","10","1") = "9"
    & skf18("8","6","9","9","1","1","1") = "8"
    & skf18("8","6","9","9","1","2","1") = "8"
    & skf18("8","6","9","9","1","3","1") = "8"
    & skf18("8","6","9","9","1","4","1") = "8"
    & skf18("8","6","9","9","1","5","1") = "8"
    & skf18("8","6","9","9","1","6","1") = "8"
    & skf18("8","6","9","9","1","7","1") = "8"
    & skf18("8","6","9","9","1","8","1") = "8"
    & skf18("8","6","9","9","1","9","1") = "8"
    & skf18("8","6","9","9","1","10","1") = "9"
    & skf18("8","6","9","9","2","1","1") = "8"
    & skf18("8","6","9","9","2","2","1") = "8"
    & skf18("8","6","9","9","2","3","1") = "8"
    & skf18("8","6","9","9","2","4","1") = "8"
    & skf18("8","6","9","9","2","5","1") = "8"
    & skf18("8","6","9","9","2","6","1") = "8"
    & skf18("8","6","9","9","2","7","1") = "8"
    & skf18("8","6","9","9","2","8","1") = "8"
    & skf18("8","6","9","9","2","9","1") = "8"
    & skf18("8","6","9","9","2","10","1") = "9"
    & skf18("8","6","9","9","3","1","1") = "8"
    & skf18("8","6","9","9","3","2","1") = "8"
    & skf18("8","6","9","9","3","3","1") = "8"
    & skf18("8","6","9","9","3","4","1") = "8"
    & skf18("8","6","9","9","3","5","1") = "8"
    & skf18("8","6","9","9","3","6","1") = "8"
    & skf18("8","6","9","9","3","7","1") = "8"
    & skf18("8","6","9","9","3","8","1") = "8"
    & skf18("8","6","9","9","3","9","1") = "8"
    & skf18("8","6","9","9","3","10","1") = "9"
    & skf18("8","6","9","9","4","1","1") = "8"
    & skf18("8","6","9","9","4","2","1") = "8"
    & skf18("8","6","9","9","4","3","1") = "8"
    & skf18("8","6","9","9","4","4","1") = "8"
    & skf18("8","6","9","9","4","5","1") = "8"
    & skf18("8","6","9","9","4","6","1") = "8"
    & skf18("8","6","9","9","4","7","1") = "8"
    & skf18("8","6","9","9","4","8","1") = "8"
    & skf18("8","6","9","9","4","9","1") = "8"
    & skf18("8","6","9","9","4","10","1") = "9"
    & skf18("8","6","9","9","5","1","1") = "8"
    & skf18("8","6","9","9","5","2","1") = "8"
    & skf18("8","6","9","9","5","3","1") = "8"
    & skf18("8","6","9","9","5","4","1") = "8"
    & skf18("8","6","9","9","5","5","1") = "8"
    & skf18("8","6","9","9","5","6","1") = "8"
    & skf18("8","6","9","9","5","7","1") = "8"
    & skf18("8","6","9","9","5","8","1") = "8"
    & skf18("8","6","9","9","5","9","1") = "8"
    & skf18("8","6","9","9","5","10","1") = "9"
    & skf18("8","6","9","9","6","1","1") = "8"
    & skf18("8","6","9","9","6","2","1") = "8"
    & skf18("8","6","9","9","6","3","1") = "8"
    & skf18("8","6","9","9","6","4","1") = "8"
    & skf18("8","6","9","9","6","5","1") = "8"
    & skf18("8","6","9","9","6","6","1") = "8"
    & skf18("8","6","9","9","6","7","1") = "8"
    & skf18("8","6","9","9","6","8","1") = "8"
    & skf18("8","6","9","9","6","9","1") = "8"
    & skf18("8","6","9","9","6","10","1") = "9"
    & skf18("8","6","9","9","7","1","1") = "8"
    & skf18("8","6","9","9","7","2","1") = "8"
    & skf18("8","6","9","9","7","3","1") = "8"
    & skf18("8","6","9","9","7","4","1") = "8"
    & skf18("8","6","9","9","7","5","1") = "8"
    & skf18("8","6","9","9","7","6","1") = "8"
    & skf18("8","6","9","9","7","7","1") = "8"
    & skf18("8","6","9","9","7","8","1") = "8"
    & skf18("8","6","9","9","7","9","1") = "8"
    & skf18("8","6","9","9","7","10","1") = "9"
    & skf18("8","6","9","9","8","1","1") = "8"
    & skf18("8","6","9","9","8","2","1") = "8"
    & skf18("8","6","9","9","8","3","1") = "8"
    & skf18("8","6","9","9","8","4","1") = "8"
    & skf18("8","6","9","9","8","5","1") = "8"
    & skf18("8","6","9","9","8","6","1") = "8"
    & skf18("8","6","9","9","8","7","1") = "8"
    & skf18("8","6","9","9","8","8","1") = "8"
    & skf18("8","6","9","9","8","9","1") = "8"
    & skf18("8","6","9","9","8","10","1") = "9"
    & skf18("8","6","9","9","9","1","1") = "8"
    & skf18("8","6","9","9","9","2","1") = "8"
    & skf18("8","6","9","9","9","3","1") = "8"
    & skf18("8","6","9","9","9","4","1") = "8"
    & skf18("8","6","9","9","9","5","1") = "8"
    & skf18("8","6","9","9","9","6","1") = "8"
    & skf18("8","6","9","9","9","7","1") = "8"
    & skf18("8","6","9","9","9","8","1") = "8"
    & skf18("8","6","9","9","9","9","1") = "8"
    & skf18("8","6","9","9","9","10","1") = "9"
    & skf18("8","6","9","9","10","1","1") = "9"
    & skf18("8","6","9","9","10","2","1") = "9"
    & skf18("8","6","9","9","10","3","1") = "9"
    & skf18("8","6","9","9","10","4","1") = "9"
    & skf18("8","6","9","9","10","5","1") = "9"
    & skf18("8","6","9","9","10","6","1") = "9"
    & skf18("8","6","9","9","10","7","1") = "9"
    & skf18("8","6","9","9","10","8","1") = "9"
    & skf18("8","6","9","9","10","9","1") = "9"
    & skf18("8","6","9","9","10","10","1") = "9"
    & skf18("8","6","9","10","1","1","1") = "9"
    & skf18("8","6","9","10","1","2","1") = "9"
    & skf18("8","6","9","10","1","3","1") = "9"
    & skf18("8","6","9","10","1","4","1") = "9"
    & skf18("8","6","9","10","1","5","1") = "9"
    & skf18("8","6","9","10","1","6","1") = "9"
    & skf18("8","6","9","10","1","7","1") = "9"
    & skf18("8","6","9","10","1","8","1") = "9"
    & skf18("8","6","9","10","1","9","1") = "9"
    & skf18("8","6","9","10","1","10","1") = "9"
    & skf18("8","6","9","10","2","1","1") = "9"
    & skf18("8","6","9","10","2","2","1") = "9"
    & skf18("8","6","9","10","2","3","1") = "9"
    & skf18("8","6","9","10","2","4","1") = "9"
    & skf18("8","6","9","10","2","5","1") = "9"
    & skf18("8","6","9","10","2","6","1") = "9"
    & skf18("8","6","9","10","2","7","1") = "9"
    & skf18("8","6","9","10","2","8","1") = "9"
    & skf18("8","6","9","10","2","9","1") = "9"
    & skf18("8","6","9","10","2","10","1") = "9"
    & skf18("8","6","9","10","3","1","1") = "9"
    & skf18("8","6","9","10","3","2","1") = "9"
    & skf18("8","6","9","10","3","3","1") = "9"
    & skf18("8","6","9","10","3","4","1") = "9"
    & skf18("8","6","9","10","3","5","1") = "9"
    & skf18("8","6","9","10","3","6","1") = "9"
    & skf18("8","6","9","10","3","7","1") = "9"
    & skf18("8","6","9","10","3","8","1") = "9"
    & skf18("8","6","9","10","3","9","1") = "9"
    & skf18("8","6","9","10","3","10","1") = "9"
    & skf18("8","6","9","10","4","1","1") = "9"
    & skf18("8","6","9","10","4","2","1") = "9"
    & skf18("8","6","9","10","4","3","1") = "9"
    & skf18("8","6","9","10","4","4","1") = "9"
    & skf18("8","6","9","10","4","5","1") = "9"
    & skf18("8","6","9","10","4","6","1") = "9"
    & skf18("8","6","9","10","4","7","1") = "9"
    & skf18("8","6","9","10","4","8","1") = "9"
    & skf18("8","6","9","10","4","9","1") = "9"
    & skf18("8","6","9","10","4","10","1") = "9"
    & skf18("8","6","9","10","5","1","1") = "9"
    & skf18("8","6","9","10","5","2","1") = "9"
    & skf18("8","6","9","10","5","3","1") = "9"
    & skf18("8","6","9","10","5","4","1") = "9"
    & skf18("8","6","9","10","5","5","1") = "9"
    & skf18("8","6","9","10","5","6","1") = "9"
    & skf18("8","6","9","10","5","7","1") = "9"
    & skf18("8","6","9","10","5","8","1") = "9"
    & skf18("8","6","9","10","5","9","1") = "9"
    & skf18("8","6","9","10","5","10","1") = "9"
    & skf18("8","6","9","10","6","1","1") = "9"
    & skf18("8","6","9","10","6","2","1") = "9"
    & skf18("8","6","9","10","6","3","1") = "9"
    & skf18("8","6","9","10","6","4","1") = "9"
    & skf18("8","6","9","10","6","5","1") = "9"
    & skf18("8","6","9","10","6","6","1") = "9"
    & skf18("8","6","9","10","6","7","1") = "9"
    & skf18("8","6","9","10","6","8","1") = "9"
    & skf18("8","6","9","10","6","9","1") = "9"
    & skf18("8","6","9","10","6","10","1") = "9"
    & skf18("8","6","9","10","7","1","1") = "9"
    & skf18("8","6","9","10","7","2","1") = "9"
    & skf18("8","6","9","10","7","3","1") = "9"
    & skf18("8","6","9","10","7","4","1") = "9"
    & skf18("8","6","9","10","7","5","1") = "9"
    & skf18("8","6","9","10","7","6","1") = "9"
    & skf18("8","6","9","10","7","7","1") = "9"
    & skf18("8","6","9","10","7","8","1") = "9"
    & skf18("8","6","9","10","7","9","1") = "9"
    & skf18("8","6","9","10","7","10","1") = "9"
    & skf18("8","6","9","10","8","1","1") = "9"
    & skf18("8","6","9","10","8","2","1") = "9"
    & skf18("8","6","9","10","8","3","1") = "9"
    & skf18("8","6","9","10","8","4","1") = "9"
    & skf18("8","6","9","10","8","5","1") = "9"
    & skf18("8","6","9","10","8","6","1") = "9"
    & skf18("8","6","9","10","8","7","1") = "9"
    & skf18("8","6","9","10","8","8","1") = "9"
    & skf18("8","6","9","10","8","9","1") = "9"
    & skf18("8","6","9","10","8","10","1") = "9"
    & skf18("8","6","9","10","9","1","1") = "9"
    & skf18("8","6","9","10","9","2","1") = "9"
    & skf18("8","6","9","10","9","3","1") = "9"
    & skf18("8","6","9","10","9","4","1") = "9"
    & skf18("8","6","9","10","9","5","1") = "9"
    & skf18("8","6","9","10","9","6","1") = "9"
    & skf18("8","6","9","10","9","7","1") = "9"
    & skf18("8","6","9","10","9","8","1") = "9"
    & skf18("8","6","9","10","9","9","1") = "9"
    & skf18("8","6","9","10","9","10","1") = "9"
    & skf18("8","6","9","10","10","1","1") = "9"
    & skf18("8","6","9","10","10","2","1") = "9"
    & skf18("8","6","9","10","10","3","1") = "9"
    & skf18("8","6","9","10","10","4","1") = "9"
    & skf18("8","6","9","10","10","5","1") = "9"
    & skf18("8","6","9","10","10","6","1") = "9"
    & skf18("8","6","9","10","10","7","1") = "9"
    & skf18("8","6","9","10","10","8","1") = "9"
    & skf18("8","6","9","10","10","9","1") = "9"
    & skf18("8","6","9","10","10","10","1") = "9"
    & skf18("8","6","10","1","1","1","1") = "9"
    & skf18("8","6","10","1","1","2","1") = "9"
    & skf18("8","6","10","1","1","3","1") = "9"
    & skf18("8","6","10","1","1","4","1") = "9"
    & skf18("8","6","10","1","1","5","1") = "9"
    & skf18("8","6","10","1","1","6","1") = "9"
    & skf18("8","6","10","1","1","7","1") = "9"
    & skf18("8","6","10","1","1","8","1") = "9"
    & skf18("8","6","10","1","1","9","1") = "9"
    & skf18("8","6","10","1","1","10","1") = "9"
    & skf18("8","6","10","1","2","1","1") = "9"
    & skf18("8","6","10","1","2","2","1") = "9"
    & skf18("8","6","10","1","2","3","1") = "9"
    & skf18("8","6","10","1","2","4","1") = "9"
    & skf18("8","6","10","1","2","5","1") = "9"
    & skf18("8","6","10","1","2","6","1") = "9"
    & skf18("8","6","10","1","2","7","1") = "9"
    & skf18("8","6","10","1","2","8","1") = "9"
    & skf18("8","6","10","1","2","9","1") = "9"
    & skf18("8","6","10","1","2","10","1") = "9"
    & skf18("8","6","10","1","3","1","1") = "9"
    & skf18("8","6","10","1","3","2","1") = "9"
    & skf18("8","6","10","1","3","3","1") = "9"
    & skf18("8","6","10","1","3","4","1") = "9"
    & skf18("8","6","10","1","3","5","1") = "9"
    & skf18("8","6","10","1","3","6","1") = "9"
    & skf18("8","6","10","1","3","7","1") = "9"
    & skf18("8","6","10","1","3","8","1") = "9"
    & skf18("8","6","10","1","3","9","1") = "9"
    & skf18("8","6","10","1","3","10","1") = "9"
    & skf18("8","6","10","1","4","1","1") = "9"
    & skf18("8","6","10","1","4","2","1") = "9"
    & skf18("8","6","10","1","4","3","1") = "9"
    & skf18("8","6","10","1","4","4","1") = "9"
    & skf18("8","6","10","1","4","5","1") = "9"
    & skf18("8","6","10","1","4","6","1") = "9"
    & skf18("8","6","10","1","4","7","1") = "9"
    & skf18("8","6","10","1","4","8","1") = "9"
    & skf18("8","6","10","1","4","9","1") = "9"
    & skf18("8","6","10","1","4","10","1") = "9"
    & skf18("8","6","10","1","5","1","1") = "9"
    & skf18("8","6","10","1","5","2","1") = "9"
    & skf18("8","6","10","1","5","3","1") = "9"
    & skf18("8","6","10","1","5","4","1") = "9"
    & skf18("8","6","10","1","5","5","1") = "9"
    & skf18("8","6","10","1","5","6","1") = "9"
    & skf18("8","6","10","1","5","7","1") = "9"
    & skf18("8","6","10","1","5","8","1") = "9"
    & skf18("8","6","10","1","5","9","1") = "9"
    & skf18("8","6","10","1","5","10","1") = "9"
    & skf18("8","6","10","1","6","1","1") = "9"
    & skf18("8","6","10","1","6","2","1") = "9"
    & skf18("8","6","10","1","6","3","1") = "9"
    & skf18("8","6","10","1","6","4","1") = "9"
    & skf18("8","6","10","1","6","5","1") = "9"
    & skf18("8","6","10","1","6","6","1") = "9"
    & skf18("8","6","10","1","6","7","1") = "9"
    & skf18("8","6","10","1","6","8","1") = "9"
    & skf18("8","6","10","1","6","9","1") = "9"
    & skf18("8","6","10","1","6","10","1") = "9"
    & skf18("8","6","10","1","7","1","1") = "9"
    & skf18("8","6","10","1","7","2","1") = "9"
    & skf18("8","6","10","1","7","3","1") = "9"
    & skf18("8","6","10","1","7","4","1") = "9"
    & skf18("8","6","10","1","7","5","1") = "9"
    & skf18("8","6","10","1","7","6","1") = "9"
    & skf18("8","6","10","1","7","7","1") = "9"
    & skf18("8","6","10","1","7","8","1") = "9"
    & skf18("8","6","10","1","7","9","1") = "9"
    & skf18("8","6","10","1","7","10","1") = "9"
    & skf18("8","6","10","1","8","1","1") = "9"
    & skf18("8","6","10","1","8","2","1") = "9"
    & skf18("8","6","10","1","8","3","1") = "9"
    & skf18("8","6","10","1","8","4","1") = "9"
    & skf18("8","6","10","1","8","5","1") = "9"
    & skf18("8","6","10","1","8","6","1") = "9"
    & skf18("8","6","10","1","8","7","1") = "9"
    & skf18("8","6","10","1","8","8","1") = "9"
    & skf18("8","6","10","1","8","9","1") = "9"
    & skf18("8","6","10","1","8","10","1") = "9"
    & skf18("8","6","10","1","9","1","1") = "9"
    & skf18("8","6","10","1","9","2","1") = "9"
    & skf18("8","6","10","1","9","3","1") = "9"
    & skf18("8","6","10","1","9","4","1") = "9"
    & skf18("8","6","10","1","9","5","1") = "9"
    & skf18("8","6","10","1","9","6","1") = "9"
    & skf18("8","6","10","1","9","7","1") = "9"
    & skf18("8","6","10","1","9","8","1") = "9"
    & skf18("8","6","10","1","9","9","1") = "9"
    & skf18("8","6","10","1","9","10","1") = "9"
    & skf18("8","6","10","1","10","1","1") = "9"
    & skf18("8","6","10","1","10","2","1") = "9"
    & skf18("8","6","10","1","10","3","1") = "9"
    & skf18("8","6","10","1","10","4","1") = "9"
    & skf18("8","6","10","1","10","5","1") = "9"
    & skf18("8","6","10","1","10","6","1") = "9"
    & skf18("8","6","10","1","10","7","1") = "9"
    & skf18("8","6","10","1","10","8","1") = "9"
    & skf18("8","6","10","1","10","9","1") = "9"
    & skf18("8","6","10","1","10","10","1") = "9"
    & skf18("8","6","10","2","1","1","1") = "9"
    & skf18("8","6","10","2","1","2","1") = "9"
    & skf18("8","6","10","2","1","3","1") = "9"
    & skf18("8","6","10","2","1","4","1") = "9"
    & skf18("8","6","10","2","1","5","1") = "9"
    & skf18("8","6","10","2","1","6","1") = "9"
    & skf18("8","6","10","2","1","7","1") = "9"
    & skf18("8","6","10","2","1","8","1") = "9"
    & skf18("8","6","10","2","1","9","1") = "9"
    & skf18("8","6","10","2","1","10","1") = "9"
    & skf18("8","6","10","2","2","1","1") = "9"
    & skf18("8","6","10","2","2","2","1") = "9"
    & skf18("8","6","10","2","2","3","1") = "9"
    & skf18("8","6","10","2","2","4","1") = "9"
    & skf18("8","6","10","2","2","5","1") = "9"
    & skf18("8","6","10","2","2","6","1") = "9"
    & skf18("8","6","10","2","2","7","1") = "9"
    & skf18("8","6","10","2","2","8","1") = "9"
    & skf18("8","6","10","2","2","9","1") = "9"
    & skf18("8","6","10","2","2","10","1") = "9"
    & skf18("8","6","10","2","3","1","1") = "9"
    & skf18("8","6","10","2","3","2","1") = "9"
    & skf18("8","6","10","2","3","3","1") = "9"
    & skf18("8","6","10","2","3","4","1") = "9"
    & skf18("8","6","10","2","3","5","1") = "9"
    & skf18("8","6","10","2","3","6","1") = "9"
    & skf18("8","6","10","2","3","7","1") = "9"
    & skf18("8","6","10","2","3","8","1") = "9"
    & skf18("8","6","10","2","3","9","1") = "9"
    & skf18("8","6","10","2","3","10","1") = "9"
    & skf18("8","6","10","2","4","1","1") = "9"
    & skf18("8","6","10","2","4","2","1") = "9"
    & skf18("8","6","10","2","4","3","1") = "9"
    & skf18("8","6","10","2","4","4","1") = "9"
    & skf18("8","6","10","2","4","5","1") = "9"
    & skf18("8","6","10","2","4","6","1") = "9"
    & skf18("8","6","10","2","4","7","1") = "9"
    & skf18("8","6","10","2","4","8","1") = "9"
    & skf18("8","6","10","2","4","9","1") = "9"
    & skf18("8","6","10","2","4","10","1") = "9"
    & skf18("8","6","10","2","5","1","1") = "9"
    & skf18("8","6","10","2","5","2","1") = "9"
    & skf18("8","6","10","2","5","3","1") = "9"
    & skf18("8","6","10","2","5","4","1") = "9"
    & skf18("8","6","10","2","5","5","1") = "9"
    & skf18("8","6","10","2","5","6","1") = "9"
    & skf18("8","6","10","2","5","7","1") = "9"
    & skf18("8","6","10","2","5","8","1") = "9"
    & skf18("8","6","10","2","5","9","1") = "9"
    & skf18("8","6","10","2","5","10","1") = "9"
    & skf18("8","6","10","2","6","1","1") = "9"
    & skf18("8","6","10","2","6","2","1") = "9"
    & skf18("8","6","10","2","6","3","1") = "9"
    & skf18("8","6","10","2","6","4","1") = "9"
    & skf18("8","6","10","2","6","5","1") = "9"
    & skf18("8","6","10","2","6","6","1") = "9"
    & skf18("8","6","10","2","6","7","1") = "9"
    & skf18("8","6","10","2","6","8","1") = "9"
    & skf18("8","6","10","2","6","9","1") = "9"
    & skf18("8","6","10","2","6","10","1") = "9"
    & skf18("8","6","10","2","7","1","1") = "9"
    & skf18("8","6","10","2","7","2","1") = "9"
    & skf18("8","6","10","2","7","3","1") = "9"
    & skf18("8","6","10","2","7","4","1") = "9"
    & skf18("8","6","10","2","7","5","1") = "9"
    & skf18("8","6","10","2","7","6","1") = "9"
    & skf18("8","6","10","2","7","7","1") = "9"
    & skf18("8","6","10","2","7","8","1") = "9"
    & skf18("8","6","10","2","7","9","1") = "9"
    & skf18("8","6","10","2","7","10","1") = "9"
    & skf18("8","6","10","2","8","1","1") = "9"
    & skf18("8","6","10","2","8","2","1") = "9"
    & skf18("8","6","10","2","8","3","1") = "9"
    & skf18("8","6","10","2","8","4","1") = "9"
    & skf18("8","6","10","2","8","5","1") = "9"
    & skf18("8","6","10","2","8","6","1") = "9"
    & skf18("8","6","10","2","8","7","1") = "9"
    & skf18("8","6","10","2","8","8","1") = "9"
    & skf18("8","6","10","2","8","9","1") = "9"
    & skf18("8","6","10","2","8","10","1") = "9"
    & skf18("8","6","10","2","9","1","1") = "9"
    & skf18("8","6","10","2","9","2","1") = "9"
    & skf18("8","6","10","2","9","3","1") = "9"
    & skf18("8","6","10","2","9","4","1") = "9"
    & skf18("8","6","10","2","9","5","1") = "9"
    & skf18("8","6","10","2","9","6","1") = "9"
    & skf18("8","6","10","2","9","7","1") = "9"
    & skf18("8","6","10","2","9","8","1") = "9"
    & skf18("8","6","10","2","9","9","1") = "9"
    & skf18("8","6","10","2","9","10","1") = "9"
    & skf18("8","6","10","2","10","1","1") = "9"
    & skf18("8","6","10","2","10","2","1") = "9"
    & skf18("8","6","10","2","10","3","1") = "9"
    & skf18("8","6","10","2","10","4","1") = "9"
    & skf18("8","6","10","2","10","5","1") = "9"
    & skf18("8","6","10","2","10","6","1") = "9"
    & skf18("8","6","10","2","10","7","1") = "9"
    & skf18("8","6","10","2","10","8","1") = "9"
    & skf18("8","6","10","2","10","9","1") = "9"
    & skf18("8","6","10","2","10","10","1") = "9"
    & skf18("8","6","10","3","1","1","1") = "9"
    & skf18("8","6","10","3","1","2","1") = "9"
    & skf18("8","6","10","3","1","3","1") = "9"
    & skf18("8","6","10","3","1","4","1") = "9"
    & skf18("8","6","10","3","1","5","1") = "9"
    & skf18("8","6","10","3","1","6","1") = "9"
    & skf18("8","6","10","3","1","7","1") = "9"
    & skf18("8","6","10","3","1","8","1") = "9"
    & skf18("8","6","10","3","1","9","1") = "9"
    & skf18("8","6","10","3","1","10","1") = "9"
    & skf18("8","6","10","3","2","1","1") = "9"
    & skf18("8","6","10","3","2","2","1") = "9"
    & skf18("8","6","10","3","2","3","1") = "9"
    & skf18("8","6","10","3","2","4","1") = "9"
    & skf18("8","6","10","3","2","5","1") = "9"
    & skf18("8","6","10","3","2","6","1") = "9"
    & skf18("8","6","10","3","2","7","1") = "9"
    & skf18("8","6","10","3","2","8","1") = "9"
    & skf18("8","6","10","3","2","9","1") = "9"
    & skf18("8","6","10","3","2","10","1") = "9"
    & skf18("8","6","10","3","3","1","1") = "9"
    & skf18("8","6","10","3","3","2","1") = "9"
    & skf18("8","6","10","3","3","3","1") = "9"
    & skf18("8","6","10","3","3","4","1") = "9"
    & skf18("8","6","10","3","3","5","1") = "9"
    & skf18("8","6","10","3","3","6","1") = "9"
    & skf18("8","6","10","3","3","7","1") = "9"
    & skf18("8","6","10","3","3","8","1") = "9"
    & skf18("8","6","10","3","3","9","1") = "9"
    & skf18("8","6","10","3","3","10","1") = "9"
    & skf18("8","6","10","3","4","1","1") = "9"
    & skf18("8","6","10","3","4","2","1") = "9"
    & skf18("8","6","10","3","4","3","1") = "9"
    & skf18("8","6","10","3","4","4","1") = "9"
    & skf18("8","6","10","3","4","5","1") = "9"
    & skf18("8","6","10","3","4","6","1") = "9"
    & skf18("8","6","10","3","4","7","1") = "9"
    & skf18("8","6","10","3","4","8","1") = "9"
    & skf18("8","6","10","3","4","9","1") = "9"
    & skf18("8","6","10","3","4","10","1") = "9"
    & skf18("8","6","10","3","5","1","1") = "9"
    & skf18("8","6","10","3","5","2","1") = "9"
    & skf18("8","6","10","3","5","3","1") = "9"
    & skf18("8","6","10","3","5","4","1") = "9"
    & skf18("8","6","10","3","5","5","1") = "9"
    & skf18("8","6","10","3","5","6","1") = "9"
    & skf18("8","6","10","3","5","7","1") = "9"
    & skf18("8","6","10","3","5","8","1") = "9"
    & skf18("8","6","10","3","5","9","1") = "9"
    & skf18("8","6","10","3","5","10","1") = "9"
    & skf18("8","6","10","3","6","1","1") = "9"
    & skf18("8","6","10","3","6","2","1") = "9"
    & skf18("8","6","10","3","6","3","1") = "9"
    & skf18("8","6","10","3","6","4","1") = "9"
    & skf18("8","6","10","3","6","5","1") = "9"
    & skf18("8","6","10","3","6","6","1") = "9"
    & skf18("8","6","10","3","6","7","1") = "9"
    & skf18("8","6","10","3","6","8","1") = "9"
    & skf18("8","6","10","3","6","9","1") = "9"
    & skf18("8","6","10","3","6","10","1") = "9"
    & skf18("8","6","10","3","7","1","1") = "9"
    & skf18("8","6","10","3","7","2","1") = "9"
    & skf18("8","6","10","3","7","3","1") = "9"
    & skf18("8","6","10","3","7","4","1") = "9"
    & skf18("8","6","10","3","7","5","1") = "9"
    & skf18("8","6","10","3","7","6","1") = "9"
    & skf18("8","6","10","3","7","7","1") = "9"
    & skf18("8","6","10","3","7","8","1") = "9"
    & skf18("8","6","10","3","7","9","1") = "9"
    & skf18("8","6","10","3","7","10","1") = "9"
    & skf18("8","6","10","3","8","1","1") = "9"
    & skf18("8","6","10","3","8","2","1") = "9"
    & skf18("8","6","10","3","8","3","1") = "9"
    & skf18("8","6","10","3","8","4","1") = "9"
    & skf18("8","6","10","3","8","5","1") = "9"
    & skf18("8","6","10","3","8","6","1") = "9"
    & skf18("8","6","10","3","8","7","1") = "9"
    & skf18("8","6","10","3","8","8","1") = "9"
    & skf18("8","6","10","3","8","9","1") = "9"
    & skf18("8","6","10","3","8","10","1") = "9"
    & skf18("8","6","10","3","9","1","1") = "9"
    & skf18("8","6","10","3","9","2","1") = "9"
    & skf18("8","6","10","3","9","3","1") = "9"
    & skf18("8","6","10","3","9","4","1") = "9"
    & skf18("8","6","10","3","9","5","1") = "9"
    & skf18("8","6","10","3","9","6","1") = "9"
    & skf18("8","6","10","3","9","7","1") = "9"
    & skf18("8","6","10","3","9","8","1") = "9"
    & skf18("8","6","10","3","9","9","1") = "9"
    & skf18("8","6","10","3","9","10","1") = "9"
    & skf18("8","6","10","3","10","1","1") = "9"
    & skf18("8","6","10","3","10","2","1") = "9"
    & skf18("8","6","10","3","10","3","1") = "9"
    & skf18("8","6","10","3","10","4","1") = "9"
    & skf18("8","6","10","3","10","5","1") = "9"
    & skf18("8","6","10","3","10","6","1") = "9"
    & skf18("8","6","10","3","10","7","1") = "9"
    & skf18("8","6","10","3","10","8","1") = "9"
    & skf18("8","6","10","3","10","9","1") = "9"
    & skf18("8","6","10","3","10","10","1") = "9"
    & skf18("8","6","10","4","1","1","1") = "9"
    & skf18("8","6","10","4","1","2","1") = "9"
    & skf18("8","6","10","4","1","3","1") = "9"
    & skf18("8","6","10","4","1","4","1") = "9"
    & skf18("8","6","10","4","1","5","1") = "9"
    & skf18("8","6","10","4","1","6","1") = "9"
    & skf18("8","6","10","4","1","7","1") = "9"
    & skf18("8","6","10","4","1","8","1") = "9"
    & skf18("8","6","10","4","1","9","1") = "9"
    & skf18("8","6","10","4","1","10","1") = "9"
    & skf18("8","6","10","4","2","1","1") = "9"
    & skf18("8","6","10","4","2","2","1") = "9"
    & skf18("8","6","10","4","2","3","1") = "9"
    & skf18("8","6","10","4","2","4","1") = "9"
    & skf18("8","6","10","4","2","5","1") = "9"
    & skf18("8","6","10","4","2","6","1") = "9"
    & skf18("8","6","10","4","2","7","1") = "9"
    & skf18("8","6","10","4","2","8","1") = "9"
    & skf18("8","6","10","4","2","9","1") = "9"
    & skf18("8","6","10","4","2","10","1") = "9"
    & skf18("8","6","10","4","3","1","1") = "9"
    & skf18("8","6","10","4","3","2","1") = "9"
    & skf18("8","6","10","4","3","3","1") = "9"
    & skf18("8","6","10","4","3","4","1") = "9"
    & skf18("8","6","10","4","3","5","1") = "9"
    & skf18("8","6","10","4","3","6","1") = "9"
    & skf18("8","6","10","4","3","7","1") = "9"
    & skf18("8","6","10","4","3","8","1") = "9"
    & skf18("8","6","10","4","3","9","1") = "9"
    & skf18("8","6","10","4","3","10","1") = "9"
    & skf18("8","6","10","4","4","1","1") = "9"
    & skf18("8","6","10","4","4","2","1") = "9"
    & skf18("8","6","10","4","4","3","1") = "9"
    & skf18("8","6","10","4","4","4","1") = "9"
    & skf18("8","6","10","4","4","5","1") = "9"
    & skf18("8","6","10","4","4","6","1") = "9"
    & skf18("8","6","10","4","4","7","1") = "9"
    & skf18("8","6","10","4","4","8","1") = "9"
    & skf18("8","6","10","4","4","9","1") = "9"
    & skf18("8","6","10","4","4","10","1") = "9"
    & skf18("8","6","10","4","5","1","1") = "9"
    & skf18("8","6","10","4","5","2","1") = "9"
    & skf18("8","6","10","4","5","3","1") = "9"
    & skf18("8","6","10","4","5","4","1") = "9"
    & skf18("8","6","10","4","5","5","1") = "9"
    & skf18("8","6","10","4","5","6","1") = "9"
    & skf18("8","6","10","4","5","7","1") = "9"
    & skf18("8","6","10","4","5","8","1") = "9"
    & skf18("8","6","10","4","5","9","1") = "9"
    & skf18("8","6","10","4","5","10","1") = "9"
    & skf18("8","6","10","4","6","1","1") = "9"
    & skf18("8","6","10","4","6","2","1") = "9"
    & skf18("8","6","10","4","6","3","1") = "9"
    & skf18("8","6","10","4","6","4","1") = "9"
    & skf18("8","6","10","4","6","5","1") = "9"
    & skf18("8","6","10","4","6","6","1") = "9"
    & skf18("8","6","10","4","6","7","1") = "9"
    & skf18("8","6","10","4","6","8","1") = "9"
    & skf18("8","6","10","4","6","9","1") = "9"
    & skf18("8","6","10","4","6","10","1") = "9"
    & skf18("8","6","10","4","7","1","1") = "9"
    & skf18("8","6","10","4","7","2","1") = "9"
    & skf18("8","6","10","4","7","3","1") = "9"
    & skf18("8","6","10","4","7","4","1") = "9"
    & skf18("8","6","10","4","7","5","1") = "9"
    & skf18("8","6","10","4","7","6","1") = "9"
    & skf18("8","6","10","4","7","7","1") = "9"
    & skf18("8","6","10","4","7","8","1") = "9"
    & skf18("8","6","10","4","7","9","1") = "9"
    & skf18("8","6","10","4","7","10","1") = "9"
    & skf18("8","6","10","4","8","1","1") = "9"
    & skf18("8","6","10","4","8","2","1") = "9"
    & skf18("8","6","10","4","8","3","1") = "9"
    & skf18("8","6","10","4","8","4","1") = "9"
    & skf18("8","6","10","4","8","5","1") = "9"
    & skf18("8","6","10","4","8","6","1") = "9"
    & skf18("8","6","10","4","8","7","1") = "9"
    & skf18("8","6","10","4","8","8","1") = "9"
    & skf18("8","6","10","4","8","9","1") = "9"
    & skf18("8","6","10","4","8","10","1") = "9"
    & skf18("8","6","10","4","9","1","1") = "9"
    & skf18("8","6","10","4","9","2","1") = "9"
    & skf18("8","6","10","4","9","3","1") = "9"
    & skf18("8","6","10","4","9","4","1") = "9"
    & skf18("8","6","10","4","9","5","1") = "9"
    & skf18("8","6","10","4","9","6","1") = "9"
    & skf18("8","6","10","4","9","7","1") = "9"
    & skf18("8","6","10","4","9","8","1") = "9"
    & skf18("8","6","10","4","9","9","1") = "9"
    & skf18("8","6","10","4","9","10","1") = "9"
    & skf18("8","6","10","4","10","1","1") = "9"
    & skf18("8","6","10","4","10","2","1") = "9"
    & skf18("8","6","10","4","10","3","1") = "9"
    & skf18("8","6","10","4","10","4","1") = "9"
    & skf18("8","6","10","4","10","5","1") = "9"
    & skf18("8","6","10","4","10","6","1") = "9"
    & skf18("8","6","10","4","10","7","1") = "9"
    & skf18("8","6","10","4","10","8","1") = "9"
    & skf18("8","6","10","4","10","9","1") = "9"
    & skf18("8","6","10","4","10","10","1") = "9"
    & skf18("8","6","10","5","1","1","1") = "9"
    & skf18("8","6","10","5","1","2","1") = "9"
    & skf18("8","6","10","5","1","3","1") = "9"
    & skf18("8","6","10","5","1","4","1") = "9"
    & skf18("8","6","10","5","1","5","1") = "9"
    & skf18("8","6","10","5","1","6","1") = "9"
    & skf18("8","6","10","5","1","7","1") = "9"
    & skf18("8","6","10","5","1","8","1") = "9"
    & skf18("8","6","10","5","1","9","1") = "9"
    & skf18("8","6","10","5","1","10","1") = "9"
    & skf18("8","6","10","5","2","1","1") = "9"
    & skf18("8","6","10","5","2","2","1") = "9"
    & skf18("8","6","10","5","2","3","1") = "9"
    & skf18("8","6","10","5","2","4","1") = "9"
    & skf18("8","6","10","5","2","5","1") = "9"
    & skf18("8","6","10","5","2","6","1") = "9"
    & skf18("8","6","10","5","2","7","1") = "9"
    & skf18("8","6","10","5","2","8","1") = "9"
    & skf18("8","6","10","5","2","9","1") = "9"
    & skf18("8","6","10","5","2","10","1") = "9"
    & skf18("8","6","10","5","3","1","1") = "9"
    & skf18("8","6","10","5","3","2","1") = "9"
    & skf18("8","6","10","5","3","3","1") = "9"
    & skf18("8","6","10","5","3","4","1") = "9"
    & skf18("8","6","10","5","3","5","1") = "9"
    & skf18("8","6","10","5","3","6","1") = "9"
    & skf18("8","6","10","5","3","7","1") = "9"
    & skf18("8","6","10","5","3","8","1") = "9"
    & skf18("8","6","10","5","3","9","1") = "9"
    & skf18("8","6","10","5","3","10","1") = "9"
    & skf18("8","6","10","5","4","1","1") = "9"
    & skf18("8","6","10","5","4","2","1") = "9"
    & skf18("8","6","10","5","4","3","1") = "9"
    & skf18("8","6","10","5","4","4","1") = "9"
    & skf18("8","6","10","5","4","5","1") = "9"
    & skf18("8","6","10","5","4","6","1") = "9"
    & skf18("8","6","10","5","4","7","1") = "9"
    & skf18("8","6","10","5","4","8","1") = "9"
    & skf18("8","6","10","5","4","9","1") = "9"
    & skf18("8","6","10","5","4","10","1") = "9"
    & skf18("8","6","10","5","5","1","1") = "9"
    & skf18("8","6","10","5","5","2","1") = "9"
    & skf18("8","6","10","5","5","3","1") = "9"
    & skf18("8","6","10","5","5","4","1") = "9"
    & skf18("8","6","10","5","5","5","1") = "9"
    & skf18("8","6","10","5","5","6","1") = "9"
    & skf18("8","6","10","5","5","7","1") = "9"
    & skf18("8","6","10","5","5","8","1") = "9"
    & skf18("8","6","10","5","5","9","1") = "9"
    & skf18("8","6","10","5","5","10","1") = "9"
    & skf18("8","6","10","5","6","1","1") = "9"
    & skf18("8","6","10","5","6","2","1") = "9"
    & skf18("8","6","10","5","6","3","1") = "9"
    & skf18("8","6","10","5","6","4","1") = "9"
    & skf18("8","6","10","5","6","5","1") = "9"
    & skf18("8","6","10","5","6","6","1") = "9"
    & skf18("8","6","10","5","6","7","1") = "9"
    & skf18("8","6","10","5","6","8","1") = "9"
    & skf18("8","6","10","5","6","9","1") = "9"
    & skf18("8","6","10","5","6","10","1") = "9"
    & skf18("8","6","10","5","7","1","1") = "9"
    & skf18("8","6","10","5","7","2","1") = "9"
    & skf18("8","6","10","5","7","3","1") = "9"
    & skf18("8","6","10","5","7","4","1") = "9"
    & skf18("8","6","10","5","7","5","1") = "9"
    & skf18("8","6","10","5","7","6","1") = "9"
    & skf18("8","6","10","5","7","7","1") = "9"
    & skf18("8","6","10","5","7","8","1") = "9"
    & skf18("8","6","10","5","7","9","1") = "9"
    & skf18("8","6","10","5","7","10","1") = "9"
    & skf18("8","6","10","5","8","1","1") = "9"
    & skf18("8","6","10","5","8","2","1") = "9"
    & skf18("8","6","10","5","8","3","1") = "9"
    & skf18("8","6","10","5","8","4","1") = "9"
    & skf18("8","6","10","5","8","5","1") = "9"
    & skf18("8","6","10","5","8","6","1") = "9"
    & skf18("8","6","10","5","8","7","1") = "9"
    & skf18("8","6","10","5","8","8","1") = "9"
    & skf18("8","6","10","5","8","9","1") = "9"
    & skf18("8","6","10","5","8","10","1") = "9"
    & skf18("8","6","10","5","9","1","1") = "9"
    & skf18("8","6","10","5","9","2","1") = "9"
    & skf18("8","6","10","5","9","3","1") = "9"
    & skf18("8","6","10","5","9","4","1") = "9"
    & skf18("8","6","10","5","9","5","1") = "9"
    & skf18("8","6","10","5","9","6","1") = "9"
    & skf18("8","6","10","5","9","7","1") = "9"
    & skf18("8","6","10","5","9","8","1") = "9"
    & skf18("8","6","10","5","9","9","1") = "9"
    & skf18("8","6","10","5","9","10","1") = "9"
    & skf18("8","6","10","5","10","1","1") = "9"
    & skf18("8","6","10","5","10","2","1") = "9"
    & skf18("8","6","10","5","10","3","1") = "9"
    & skf18("8","6","10","5","10","4","1") = "9"
    & skf18("8","6","10","5","10","5","1") = "9"
    & skf18("8","6","10","5","10","6","1") = "9"
    & skf18("8","6","10","5","10","7","1") = "9"
    & skf18("8","6","10","5","10","8","1") = "9"
    & skf18("8","6","10","5","10","9","1") = "9"
    & skf18("8","6","10","5","10","10","1") = "9"
    & skf18("8","6","10","6","1","1","1") = "9"
    & skf18("8","6","10","6","1","2","1") = "9"
    & skf18("8","6","10","6","1","3","1") = "9"
    & skf18("8","6","10","6","1","4","1") = "9"
    & skf18("8","6","10","6","1","5","1") = "9"
    & skf18("8","6","10","6","1","6","1") = "9"
    & skf18("8","6","10","6","1","7","1") = "9"
    & skf18("8","6","10","6","1","8","1") = "9"
    & skf18("8","6","10","6","1","9","1") = "9"
    & skf18("8","6","10","6","1","10","1") = "9"
    & skf18("8","6","10","6","2","1","1") = "9"
    & skf18("8","6","10","6","2","2","1") = "9"
    & skf18("8","6","10","6","2","3","1") = "9"
    & skf18("8","6","10","6","2","4","1") = "9"
    & skf18("8","6","10","6","2","5","1") = "9"
    & skf18("8","6","10","6","2","6","1") = "9"
    & skf18("8","6","10","6","2","7","1") = "9"
    & skf18("8","6","10","6","2","8","1") = "9"
    & skf18("8","6","10","6","2","9","1") = "9"
    & skf18("8","6","10","6","2","10","1") = "9"
    & skf18("8","6","10","6","3","1","1") = "9"
    & skf18("8","6","10","6","3","2","1") = "9"
    & skf18("8","6","10","6","3","3","1") = "9"
    & skf18("8","6","10","6","3","4","1") = "9"
    & skf18("8","6","10","6","3","5","1") = "9"
    & skf18("8","6","10","6","3","6","1") = "9"
    & skf18("8","6","10","6","3","7","1") = "9"
    & skf18("8","6","10","6","3","8","1") = "9"
    & skf18("8","6","10","6","3","9","1") = "9"
    & skf18("8","6","10","6","3","10","1") = "9"
    & skf18("8","6","10","6","4","1","1") = "9"
    & skf18("8","6","10","6","4","2","1") = "9"
    & skf18("8","6","10","6","4","3","1") = "9"
    & skf18("8","6","10","6","4","4","1") = "9"
    & skf18("8","6","10","6","4","5","1") = "9"
    & skf18("8","6","10","6","4","6","1") = "9"
    & skf18("8","6","10","6","4","7","1") = "9"
    & skf18("8","6","10","6","4","8","1") = "9"
    & skf18("8","6","10","6","4","9","1") = "9"
    & skf18("8","6","10","6","4","10","1") = "9"
    & skf18("8","6","10","6","5","1","1") = "9"
    & skf18("8","6","10","6","5","2","1") = "9"
    & skf18("8","6","10","6","5","3","1") = "9"
    & skf18("8","6","10","6","5","4","1") = "9"
    & skf18("8","6","10","6","5","5","1") = "9"
    & skf18("8","6","10","6","5","6","1") = "9"
    & skf18("8","6","10","6","5","7","1") = "9"
    & skf18("8","6","10","6","5","8","1") = "9"
    & skf18("8","6","10","6","5","9","1") = "9"
    & skf18("8","6","10","6","5","10","1") = "9"
    & skf18("8","6","10","6","6","1","1") = "9"
    & skf18("8","6","10","6","6","2","1") = "9"
    & skf18("8","6","10","6","6","3","1") = "9"
    & skf18("8","6","10","6","6","4","1") = "9"
    & skf18("8","6","10","6","6","5","1") = "9"
    & skf18("8","6","10","6","6","6","1") = "9"
    & skf18("8","6","10","6","6","7","1") = "9"
    & skf18("8","6","10","6","6","8","1") = "9"
    & skf18("8","6","10","6","6","9","1") = "9"
    & skf18("8","6","10","6","6","10","1") = "9"
    & skf18("8","6","10","6","7","1","1") = "9"
    & skf18("8","6","10","6","7","2","1") = "9"
    & skf18("8","6","10","6","7","3","1") = "9"
    & skf18("8","6","10","6","7","4","1") = "9"
    & skf18("8","6","10","6","7","5","1") = "9"
    & skf18("8","6","10","6","7","6","1") = "9"
    & skf18("8","6","10","6","7","7","1") = "9"
    & skf18("8","6","10","6","7","8","1") = "9"
    & skf18("8","6","10","6","7","9","1") = "9"
    & skf18("8","6","10","6","7","10","1") = "9"
    & skf18("8","6","10","6","8","1","1") = "9"
    & skf18("8","6","10","6","8","2","1") = "9"
    & skf18("8","6","10","6","8","3","1") = "9"
    & skf18("8","6","10","6","8","4","1") = "9"
    & skf18("8","6","10","6","8","5","1") = "9"
    & skf18("8","6","10","6","8","6","1") = "9"
    & skf18("8","6","10","6","8","7","1") = "9"
    & skf18("8","6","10","6","8","8","1") = "9"
    & skf18("8","6","10","6","8","9","1") = "9"
    & skf18("8","6","10","6","8","10","1") = "9"
    & skf18("8","6","10","6","9","1","1") = "9"
    & skf18("8","6","10","6","9","2","1") = "9"
    & skf18("8","6","10","6","9","3","1") = "9"
    & skf18("8","6","10","6","9","4","1") = "9"
    & skf18("8","6","10","6","9","5","1") = "9"
    & skf18("8","6","10","6","9","6","1") = "9"
    & skf18("8","6","10","6","9","7","1") = "9"
    & skf18("8","6","10","6","9","8","1") = "9"
    & skf18("8","6","10","6","9","9","1") = "9"
    & skf18("8","6","10","6","9","10","1") = "9"
    & skf18("8","6","10","6","10","1","1") = "9"
    & skf18("8","6","10","6","10","2","1") = "9"
    & skf18("8","6","10","6","10","3","1") = "9"
    & skf18("8","6","10","6","10","4","1") = "9"
    & skf18("8","6","10","6","10","5","1") = "9"
    & skf18("8","6","10","6","10","6","1") = "9"
    & skf18("8","6","10","6","10","7","1") = "9"
    & skf18("8","6","10","6","10","8","1") = "9"
    & skf18("8","6","10","6","10","9","1") = "9"
    & skf18("8","6","10","6","10","10","1") = "9"
    & skf18("8","6","10","7","1","1","1") = "9"
    & skf18("8","6","10","7","1","2","1") = "9"
    & skf18("8","6","10","7","1","3","1") = "9"
    & skf18("8","6","10","7","1","4","1") = "9"
    & skf18("8","6","10","7","1","5","1") = "9"
    & skf18("8","6","10","7","1","6","1") = "9"
    & skf18("8","6","10","7","1","7","1") = "9"
    & skf18("8","6","10","7","1","8","1") = "9"
    & skf18("8","6","10","7","1","9","1") = "9"
    & skf18("8","6","10","7","1","10","1") = "9"
    & skf18("8","6","10","7","2","1","1") = "9"
    & skf18("8","6","10","7","2","2","1") = "9"
    & skf18("8","6","10","7","2","3","1") = "9"
    & skf18("8","6","10","7","2","4","1") = "9"
    & skf18("8","6","10","7","2","5","1") = "9"
    & skf18("8","6","10","7","2","6","1") = "9"
    & skf18("8","6","10","7","2","7","1") = "9"
    & skf18("8","6","10","7","2","8","1") = "9"
    & skf18("8","6","10","7","2","9","1") = "9"
    & skf18("8","6","10","7","2","10","1") = "9"
    & skf18("8","6","10","7","3","1","1") = "9"
    & skf18("8","6","10","7","3","2","1") = "9"
    & skf18("8","6","10","7","3","3","1") = "9"
    & skf18("8","6","10","7","3","4","1") = "9"
    & skf18("8","6","10","7","3","5","1") = "9"
    & skf18("8","6","10","7","3","6","1") = "9"
    & skf18("8","6","10","7","3","7","1") = "9"
    & skf18("8","6","10","7","3","8","1") = "9"
    & skf18("8","6","10","7","3","9","1") = "9"
    & skf18("8","6","10","7","3","10","1") = "9"
    & skf18("8","6","10","7","4","1","1") = "9"
    & skf18("8","6","10","7","4","2","1") = "9"
    & skf18("8","6","10","7","4","3","1") = "9"
    & skf18("8","6","10","7","4","4","1") = "9"
    & skf18("8","6","10","7","4","5","1") = "9"
    & skf18("8","6","10","7","4","6","1") = "9"
    & skf18("8","6","10","7","4","7","1") = "9"
    & skf18("8","6","10","7","4","8","1") = "9"
    & skf18("8","6","10","7","4","9","1") = "9"
    & skf18("8","6","10","7","4","10","1") = "9"
    & skf18("8","6","10","7","5","1","1") = "9"
    & skf18("8","6","10","7","5","2","1") = "9"
    & skf18("8","6","10","7","5","3","1") = "9"
    & skf18("8","6","10","7","5","4","1") = "9"
    & skf18("8","6","10","7","5","5","1") = "9"
    & skf18("8","6","10","7","5","6","1") = "9"
    & skf18("8","6","10","7","5","7","1") = "9"
    & skf18("8","6","10","7","5","8","1") = "9"
    & skf18("8","6","10","7","5","9","1") = "9"
    & skf18("8","6","10","7","5","10","1") = "9"
    & skf18("8","6","10","7","6","1","1") = "9"
    & skf18("8","6","10","7","6","2","1") = "9"
    & skf18("8","6","10","7","6","3","1") = "9"
    & skf18("8","6","10","7","6","4","1") = "9"
    & skf18("8","6","10","7","6","5","1") = "9"
    & skf18("8","6","10","7","6","6","1") = "9"
    & skf18("8","6","10","7","6","7","1") = "9"
    & skf18("8","6","10","7","6","8","1") = "9"
    & skf18("8","6","10","7","6","9","1") = "9"
    & skf18("8","6","10","7","6","10","1") = "9"
    & skf18("8","6","10","7","7","1","1") = "9"
    & skf18("8","6","10","7","7","2","1") = "9"
    & skf18("8","6","10","7","7","3","1") = "9"
    & skf18("8","6","10","7","7","4","1") = "9"
    & skf18("8","6","10","7","7","5","1") = "9"
    & skf18("8","6","10","7","7","6","1") = "9"
    & skf18("8","6","10","7","7","7","1") = "9"
    & skf18("8","6","10","7","7","8","1") = "9"
    & skf18("8","6","10","7","7","9","1") = "9"
    & skf18("8","6","10","7","7","10","1") = "9"
    & skf18("8","6","10","7","8","1","1") = "9"
    & skf18("8","6","10","7","8","2","1") = "9"
    & skf18("8","6","10","7","8","3","1") = "9"
    & skf18("8","6","10","7","8","4","1") = "9"
    & skf18("8","6","10","7","8","5","1") = "9"
    & skf18("8","6","10","7","8","6","1") = "9"
    & skf18("8","6","10","7","8","7","1") = "9"
    & skf18("8","6","10","7","8","8","1") = "9"
    & skf18("8","6","10","7","8","9","1") = "9"
    & skf18("8","6","10","7","8","10","1") = "9"
    & skf18("8","6","10","7","9","1","1") = "9"
    & skf18("8","6","10","7","9","2","1") = "9"
    & skf18("8","6","10","7","9","3","1") = "9"
    & skf18("8","6","10","7","9","4","1") = "9"
    & skf18("8","6","10","7","9","5","1") = "9"
    & skf18("8","6","10","7","9","6","1") = "9"
    & skf18("8","6","10","7","9","7","1") = "9"
    & skf18("8","6","10","7","9","8","1") = "9"
    & skf18("8","6","10","7","9","9","1") = "9"
    & skf18("8","6","10","7","9","10","1") = "9"
    & skf18("8","6","10","7","10","1","1") = "9"
    & skf18("8","6","10","7","10","2","1") = "9"
    & skf18("8","6","10","7","10","3","1") = "9"
    & skf18("8","6","10","7","10","4","1") = "9"
    & skf18("8","6","10","7","10","5","1") = "9"
    & skf18("8","6","10","7","10","6","1") = "9"
    & skf18("8","6","10","7","10","7","1") = "9"
    & skf18("8","6","10","7","10","8","1") = "9"
    & skf18("8","6","10","7","10","9","1") = "9"
    & skf18("8","6","10","7","10","10","1") = "9"
    & skf18("8","6","10","8","1","1","1") = "9"
    & skf18("8","6","10","8","1","2","1") = "9"
    & skf18("8","6","10","8","1","3","1") = "9"
    & skf18("8","6","10","8","1","4","1") = "9"
    & skf18("8","6","10","8","1","5","1") = "9"
    & skf18("8","6","10","8","1","6","1") = "9"
    & skf18("8","6","10","8","1","7","1") = "9"
    & skf18("8","6","10","8","1","8","1") = "9"
    & skf18("8","6","10","8","1","9","1") = "9"
    & skf18("8","6","10","8","1","10","1") = "9"
    & skf18("8","6","10","8","2","1","1") = "9"
    & skf18("8","6","10","8","2","2","1") = "9"
    & skf18("8","6","10","8","2","3","1") = "9"
    & skf18("8","6","10","8","2","4","1") = "9"
    & skf18("8","6","10","8","2","5","1") = "9"
    & skf18("8","6","10","8","2","6","1") = "9"
    & skf18("8","6","10","8","2","7","1") = "9"
    & skf18("8","6","10","8","2","8","1") = "9"
    & skf18("8","6","10","8","2","9","1") = "9"
    & skf18("8","6","10","8","2","10","1") = "9"
    & skf18("8","6","10","8","3","1","1") = "9"
    & skf18("8","6","10","8","3","2","1") = "9"
    & skf18("8","6","10","8","3","3","1") = "9"
    & skf18("8","6","10","8","3","4","1") = "9"
    & skf18("8","6","10","8","3","5","1") = "9"
    & skf18("8","6","10","8","3","6","1") = "9"
    & skf18("8","6","10","8","3","7","1") = "9"
    & skf18("8","6","10","8","3","8","1") = "9"
    & skf18("8","6","10","8","3","9","1") = "9"
    & skf18("8","6","10","8","3","10","1") = "9"
    & skf18("8","6","10","8","4","1","1") = "9"
    & skf18("8","6","10","8","4","2","1") = "9"
    & skf18("8","6","10","8","4","3","1") = "9"
    & skf18("8","6","10","8","4","4","1") = "9"
    & skf18("8","6","10","8","4","5","1") = "9"
    & skf18("8","6","10","8","4","6","1") = "9"
    & skf18("8","6","10","8","4","7","1") = "9"
    & skf18("8","6","10","8","4","8","1") = "9"
    & skf18("8","6","10","8","4","9","1") = "9"
    & skf18("8","6","10","8","4","10","1") = "9"
    & skf18("8","6","10","8","5","1","1") = "9"
    & skf18("8","6","10","8","5","2","1") = "9"
    & skf18("8","6","10","8","5","3","1") = "9"
    & skf18("8","6","10","8","5","4","1") = "9"
    & skf18("8","6","10","8","5","5","1") = "9"
    & skf18("8","6","10","8","5","6","1") = "9"
    & skf18("8","6","10","8","5","7","1") = "9"
    & skf18("8","6","10","8","5","8","1") = "9"
    & skf18("8","6","10","8","5","9","1") = "9"
    & skf18("8","6","10","8","5","10","1") = "9"
    & skf18("8","6","10","8","6","1","1") = "9"
    & skf18("8","6","10","8","6","2","1") = "9"
    & skf18("8","6","10","8","6","3","1") = "9"
    & skf18("8","6","10","8","6","4","1") = "9"
    & skf18("8","6","10","8","6","5","1") = "9"
    & skf18("8","6","10","8","6","6","1") = "9"
    & skf18("8","6","10","8","6","7","1") = "9"
    & skf18("8","6","10","8","6","8","1") = "9"
    & skf18("8","6","10","8","6","9","1") = "9"
    & skf18("8","6","10","8","6","10","1") = "9"
    & skf18("8","6","10","8","7","1","1") = "9"
    & skf18("8","6","10","8","7","2","1") = "9"
    & skf18("8","6","10","8","7","3","1") = "9"
    & skf18("8","6","10","8","7","4","1") = "9"
    & skf18("8","6","10","8","7","5","1") = "9"
    & skf18("8","6","10","8","7","6","1") = "9"
    & skf18("8","6","10","8","7","7","1") = "9"
    & skf18("8","6","10","8","7","8","1") = "9"
    & skf18("8","6","10","8","7","9","1") = "9"
    & skf18("8","6","10","8","7","10","1") = "9"
    & skf18("8","6","10","8","8","1","1") = "9"
    & skf18("8","6","10","8","8","2","1") = "9"
    & skf18("8","6","10","8","8","3","1") = "9"
    & skf18("8","6","10","8","8","4","1") = "9"
    & skf18("8","6","10","8","8","5","1") = "9"
    & skf18("8","6","10","8","8","6","1") = "9"
    & skf18("8","6","10","8","8","7","1") = "9"
    & skf18("8","6","10","8","8","8","1") = "9"
    & skf18("8","6","10","8","8","9","1") = "9"
    & skf18("8","6","10","8","8","10","1") = "9"
    & skf18("8","6","10","8","9","1","1") = "9"
    & skf18("8","6","10","8","9","2","1") = "9"
    & skf18("8","6","10","8","9","3","1") = "9"
    & skf18("8","6","10","8","9","4","1") = "9"
    & skf18("8","6","10","8","9","5","1") = "9"
    & skf18("8","6","10","8","9","6","1") = "9"
    & skf18("8","6","10","8","9","7","1") = "9"
    & skf18("8","6","10","8","9","8","1") = "9"
    & skf18("8","6","10","8","9","9","1") = "9"
    & skf18("8","6","10","8","9","10","1") = "9"
    & skf18("8","6","10","8","10","1","1") = "9"
    & skf18("8","6","10","8","10","2","1") = "9"
    & skf18("8","6","10","8","10","3","1") = "9"
    & skf18("8","6","10","8","10","4","1") = "9"
    & skf18("8","6","10","8","10","5","1") = "9"
    & skf18("8","6","10","8","10","6","1") = "9"
    & skf18("8","6","10","8","10","7","1") = "9"
    & skf18("8","6","10","8","10","8","1") = "9"
    & skf18("8","6","10","8","10","9","1") = "9"
    & skf18("8","6","10","8","10","10","1") = "9"
    & skf18("8","6","10","9","1","1","1") = "9"
    & skf18("8","6","10","9","1","2","1") = "9"
    & skf18("8","6","10","9","1","3","1") = "9"
    & skf18("8","6","10","9","1","4","1") = "9"
    & skf18("8","6","10","9","1","5","1") = "9"
    & skf18("8","6","10","9","1","6","1") = "9"
    & skf18("8","6","10","9","1","7","1") = "9"
    & skf18("8","6","10","9","1","8","1") = "9"
    & skf18("8","6","10","9","1","9","1") = "9"
    & skf18("8","6","10","9","1","10","1") = "9"
    & skf18("8","6","10","9","2","1","1") = "9"
    & skf18("8","6","10","9","2","2","1") = "9"
    & skf18("8","6","10","9","2","3","1") = "9"
    & skf18("8","6","10","9","2","4","1") = "9"
    & skf18("8","6","10","9","2","5","1") = "9"
    & skf18("8","6","10","9","2","6","1") = "9"
    & skf18("8","6","10","9","2","7","1") = "9"
    & skf18("8","6","10","9","2","8","1") = "9"
    & skf18("8","6","10","9","2","9","1") = "9"
    & skf18("8","6","10","9","2","10","1") = "9"
    & skf18("8","6","10","9","3","1","1") = "9"
    & skf18("8","6","10","9","3","2","1") = "9"
    & skf18("8","6","10","9","3","3","1") = "9"
    & skf18("8","6","10","9","3","4","1") = "9"
    & skf18("8","6","10","9","3","5","1") = "9"
    & skf18("8","6","10","9","3","6","1") = "9"
    & skf18("8","6","10","9","3","7","1") = "9"
    & skf18("8","6","10","9","3","8","1") = "9"
    & skf18("8","6","10","9","3","9","1") = "9"
    & skf18("8","6","10","9","3","10","1") = "9"
    & skf18("8","6","10","9","4","1","1") = "9"
    & skf18("8","6","10","9","4","2","1") = "9"
    & skf18("8","6","10","9","4","3","1") = "9"
    & skf18("8","6","10","9","4","4","1") = "9"
    & skf18("8","6","10","9","4","5","1") = "9"
    & skf18("8","6","10","9","4","6","1") = "9"
    & skf18("8","6","10","9","4","7","1") = "9"
    & skf18("8","6","10","9","4","8","1") = "9"
    & skf18("8","6","10","9","4","9","1") = "9"
    & skf18("8","6","10","9","4","10","1") = "9"
    & skf18("8","6","10","9","5","1","1") = "9"
    & skf18("8","6","10","9","5","2","1") = "9"
    & skf18("8","6","10","9","5","3","1") = "9"
    & skf18("8","6","10","9","5","4","1") = "9"
    & skf18("8","6","10","9","5","5","1") = "9"
    & skf18("8","6","10","9","5","6","1") = "9"
    & skf18("8","6","10","9","5","7","1") = "9"
    & skf18("8","6","10","9","5","8","1") = "9"
    & skf18("8","6","10","9","5","9","1") = "9"
    & skf18("8","6","10","9","5","10","1") = "9"
    & skf18("8","6","10","9","6","1","1") = "9"
    & skf18("8","6","10","9","6","2","1") = "9"
    & skf18("8","6","10","9","6","3","1") = "9"
    & skf18("8","6","10","9","6","4","1") = "9"
    & skf18("8","6","10","9","6","5","1") = "9"
    & skf18("8","6","10","9","6","6","1") = "9"
    & skf18("8","6","10","9","6","7","1") = "9"
    & skf18("8","6","10","9","6","8","1") = "9"
    & skf18("8","6","10","9","6","9","1") = "9"
    & skf18("8","6","10","9","6","10","1") = "9"
    & skf18("8","6","10","9","7","1","1") = "9"
    & skf18("8","6","10","9","7","2","1") = "9"
    & skf18("8","6","10","9","7","3","1") = "9"
    & skf18("8","6","10","9","7","4","1") = "9"
    & skf18("8","6","10","9","7","5","1") = "9"
    & skf18("8","6","10","9","7","6","1") = "9"
    & skf18("8","6","10","9","7","7","1") = "9"
    & skf18("8","6","10","9","7","8","1") = "9"
    & skf18("8","6","10","9","7","9","1") = "9"
    & skf18("8","6","10","9","7","10","1") = "9"
    & skf18("8","6","10","9","8","1","1") = "9"
    & skf18("8","6","10","9","8","2","1") = "9"
    & skf18("8","6","10","9","8","3","1") = "9"
    & skf18("8","6","10","9","8","4","1") = "9"
    & skf18("8","6","10","9","8","5","1") = "9"
    & skf18("8","6","10","9","8","6","1") = "9"
    & skf18("8","6","10","9","8","7","1") = "9"
    & skf18("8","6","10","9","8","8","1") = "9"
    & skf18("8","6","10","9","8","9","1") = "9"
    & skf18("8","6","10","9","8","10","1") = "9"
    & skf18("8","6","10","9","9","1","1") = "9"
    & skf18("8","6","10","9","9","2","1") = "9"
    & skf18("8","6","10","9","9","3","1") = "9"
    & skf18("8","6","10","9","9","4","1") = "9"
    & skf18("8","6","10","9","9","5","1") = "9"
    & skf18("8","6","10","9","9","6","1") = "9"
    & skf18("8","6","10","9","9","7","1") = "9"
    & skf18("8","6","10","9","9","8","1") = "9"
    & skf18("8","6","10","9","9","9","1") = "9"
    & skf18("8","6","10","9","9","10","1") = "9"
    & skf18("8","6","10","9","10","1","1") = "9"
    & skf18("8","6","10","9","10","2","1") = "9"
    & skf18("8","6","10","9","10","3","1") = "9"
    & skf18("8","6","10","9","10","4","1") = "9"
    & skf18("8","6","10","9","10","5","1") = "9"
    & skf18("8","6","10","9","10","6","1") = "9"
    & skf18("8","6","10","9","10","7","1") = "9"
    & skf18("8","6","10","9","10","8","1") = "9"
    & skf18("8","6","10","9","10","9","1") = "9"
    & skf18("8","6","10","9","10","10","1") = "9"
    & skf18("8","6","10","10","1","1","1") = "9"
    & skf18("8","6","10","10","1","2","1") = "9"
    & skf18("8","6","10","10","1","3","1") = "9"
    & skf18("8","6","10","10","1","4","1") = "9"
    & skf18("8","6","10","10","1","5","1") = "9"
    & skf18("8","6","10","10","1","6","1") = "9"
    & skf18("8","6","10","10","1","7","1") = "9"
    & skf18("8","6","10","10","1","8","1") = "9"
    & skf18("8","6","10","10","1","9","1") = "9"
    & skf18("8","6","10","10","1","10","1") = "9"
    & skf18("8","6","10","10","2","1","1") = "9"
    & skf18("8","6","10","10","2","2","1") = "9"
    & skf18("8","6","10","10","2","3","1") = "9"
    & skf18("8","6","10","10","2","4","1") = "9"
    & skf18("8","6","10","10","2","5","1") = "9"
    & skf18("8","6","10","10","2","6","1") = "9"
    & skf18("8","6","10","10","2","7","1") = "9"
    & skf18("8","6","10","10","2","8","1") = "9"
    & skf18("8","6","10","10","2","9","1") = "9"
    & skf18("8","6","10","10","2","10","1") = "9"
    & skf18("8","6","10","10","3","1","1") = "9"
    & skf18("8","6","10","10","3","2","1") = "9"
    & skf18("8","6","10","10","3","3","1") = "9"
    & skf18("8","6","10","10","3","4","1") = "9"
    & skf18("8","6","10","10","3","5","1") = "9"
    & skf18("8","6","10","10","3","6","1") = "9"
    & skf18("8","6","10","10","3","7","1") = "9"
    & skf18("8","6","10","10","3","8","1") = "9"
    & skf18("8","6","10","10","3","9","1") = "9"
    & skf18("8","6","10","10","3","10","1") = "9"
    & skf18("8","6","10","10","4","1","1") = "9"
    & skf18("8","6","10","10","4","2","1") = "9"
    & skf18("8","6","10","10","4","3","1") = "9"
    & skf18("8","6","10","10","4","4","1") = "9"
    & skf18("8","6","10","10","4","5","1") = "9"
    & skf18("8","6","10","10","4","6","1") = "9"
    & skf18("8","6","10","10","4","7","1") = "9"
    & skf18("8","6","10","10","4","8","1") = "9"
    & skf18("8","6","10","10","4","9","1") = "9"
    & skf18("8","6","10","10","4","10","1") = "9"
    & skf18("8","6","10","10","5","1","1") = "9"
    & skf18("8","6","10","10","5","2","1") = "9"
    & skf18("8","6","10","10","5","3","1") = "9"
    & skf18("8","6","10","10","5","4","1") = "9"
    & skf18("8","6","10","10","5","5","1") = "9"
    & skf18("8","6","10","10","5","6","1") = "9"
    & skf18("8","6","10","10","5","7","1") = "9"
    & skf18("8","6","10","10","5","8","1") = "9"
    & skf18("8","6","10","10","5","9","1") = "9"
    & skf18("8","6","10","10","5","10","1") = "9"
    & skf18("8","6","10","10","6","1","1") = "9"
    & skf18("8","6","10","10","6","2","1") = "9"
    & skf18("8","6","10","10","6","3","1") = "9"
    & skf18("8","6","10","10","6","4","1") = "9"
    & skf18("8","6","10","10","6","5","1") = "9"
    & skf18("8","6","10","10","6","6","1") = "9"
    & skf18("8","6","10","10","6","7","1") = "9"
    & skf18("8","6","10","10","6","8","1") = "9"
    & skf18("8","6","10","10","6","9","1") = "9"
    & skf18("8","6","10","10","6","10","1") = "9"
    & skf18("8","6","10","10","7","1","1") = "9"
    & skf18("8","6","10","10","7","2","1") = "9"
    & skf18("8","6","10","10","7","3","1") = "9"
    & skf18("8","6","10","10","7","4","1") = "9"
    & skf18("8","6","10","10","7","5","1") = "9"
    & skf18("8","6","10","10","7","6","1") = "9"
    & skf18("8","6","10","10","7","7","1") = "9"
    & skf18("8","6","10","10","7","8","1") = "9"
    & skf18("8","6","10","10","7","9","1") = "9"
    & skf18("8","6","10","10","7","10","1") = "9"
    & skf18("8","6","10","10","8","1","1") = "9"
    & skf18("8","6","10","10","8","2","1") = "9"
    & skf18("8","6","10","10","8","3","1") = "9"
    & skf18("8","6","10","10","8","4","1") = "9"
    & skf18("8","6","10","10","8","5","1") = "9"
    & skf18("8","6","10","10","8","6","1") = "9"
    & skf18("8","6","10","10","8","7","1") = "9"
    & skf18("8","6","10","10","8","8","1") = "9"
    & skf18("8","6","10","10","8","9","1") = "9"
    & skf18("8","6","10","10","8","10","1") = "9"
    & skf18("8","6","10","10","9","1","1") = "9"
    & skf18("8","6","10","10","9","2","1") = "9"
    & skf18("8","6","10","10","9","3","1") = "9"
    & skf18("8","6","10","10","9","4","1") = "9"
    & skf18("8","6","10","10","9","5","1") = "9"
    & skf18("8","6","10","10","9","6","1") = "9"
    & skf18("8","6","10","10","9","7","1") = "9"
    & skf18("8","6","10","10","9","8","1") = "9"
    & skf18("8","6","10","10","9","9","1") = "9"
    & skf18("8","6","10","10","9","10","1") = "9"
    & skf18("8","6","10","10","10","1","1") = "9"
    & skf18("8","6","10","10","10","2","1") = "9"
    & skf18("8","6","10","10","10","3","1") = "9"
    & skf18("8","6","10","10","10","4","1") = "9"
    & skf18("8","6","10","10","10","5","1") = "9"
    & skf18("8","6","10","10","10","6","1") = "9"
    & skf18("8","6","10","10","10","7","1") = "9"
    & skf18("8","6","10","10","10","8","1") = "9"
    & skf18("8","6","10","10","10","9","1") = "9"
    & skf18("8","6","10","10","10","10","1") = "9"
    & skf18("8","7","1","1","1","1","1") = "7"
    & skf18("8","7","1","1","1","2","1") = "7"
    & skf18("8","7","1","1","1","3","1") = "7"
    & skf18("8","7","1","1","1","4","1") = "7"
    & skf18("8","7","1","1","1","5","1") = "7"
    & skf18("8","7","1","1","1","6","1") = "7"
    & skf18("8","7","1","1","1","7","1") = "7"
    & skf18("8","7","1","1","1","8","1") = "7"
    & skf18("8","7","1","1","1","9","1") = "8"
    & skf18("8","7","1","1","1","10","1") = "9"
    & skf18("8","7","1","1","2","1","1") = "7"
    & skf18("8","7","1","1","2","2","1") = "7"
    & skf18("8","7","1","1","2","3","1") = "7"
    & skf18("8","7","1","1","2","4","1") = "7"
    & skf18("8","7","1","1","2","5","1") = "7"
    & skf18("8","7","1","1","2","6","1") = "7"
    & skf18("8","7","1","1","2","7","1") = "7"
    & skf18("8","7","1","1","2","8","1") = "7"
    & skf18("8","7","1","1","2","9","1") = "8"
    & skf18("8","7","1","1","2","10","1") = "9"
    & skf18("8","7","1","1","3","1","1") = "7"
    & skf18("8","7","1","1","3","2","1") = "7"
    & skf18("8","7","1","1","3","3","1") = "7"
    & skf18("8","7","1","1","3","4","1") = "7"
    & skf18("8","7","1","1","3","5","1") = "7"
    & skf18("8","7","1","1","3","6","1") = "7"
    & skf18("8","7","1","1","3","7","1") = "7"
    & skf18("8","7","1","1","3","8","1") = "7"
    & skf18("8","7","1","1","3","9","1") = "8"
    & skf18("8","7","1","1","3","10","1") = "9"
    & skf18("8","7","1","1","4","1","1") = "7"
    & skf18("8","7","1","1","4","2","1") = "7"
    & skf18("8","7","1","1","4","3","1") = "7"
    & skf18("8","7","1","1","4","4","1") = "7"
    & skf18("8","7","1","1","4","5","1") = "7"
    & skf18("8","7","1","1","4","6","1") = "7"
    & skf18("8","7","1","1","4","7","1") = "7"
    & skf18("8","7","1","1","4","8","1") = "7"
    & skf18("8","7","1","1","4","9","1") = "8"
    & skf18("8","7","1","1","4","10","1") = "9"
    & skf18("8","7","1","1","5","1","1") = "7"
    & skf18("8","7","1","1","5","2","1") = "7"
    & skf18("8","7","1","1","5","3","1") = "7"
    & skf18("8","7","1","1","5","4","1") = "7"
    & skf18("8","7","1","1","5","5","1") = "7"
    & skf18("8","7","1","1","5","6","1") = "7"
    & skf18("8","7","1","1","5","7","1") = "7"
    & skf18("8","7","1","1","5","8","1") = "7"
    & skf18("8","7","1","1","5","9","1") = "8"
    & skf18("8","7","1","1","5","10","1") = "9"
    & skf18("8","7","1","1","6","1","1") = "7"
    & skf18("8","7","1","1","6","2","1") = "7"
    & skf18("8","7","1","1","6","3","1") = "7"
    & skf18("8","7","1","1","6","4","1") = "7"
    & skf18("8","7","1","1","6","5","1") = "7"
    & skf18("8","7","1","1","6","6","1") = "7"
    & skf18("8","7","1","1","6","7","1") = "7"
    & skf18("8","7","1","1","6","8","1") = "7"
    & skf18("8","7","1","1","6","9","1") = "8"
    & skf18("8","7","1","1","6","10","1") = "9"
    & skf18("8","7","1","1","7","1","1") = "7"
    & skf18("8","7","1","1","7","2","1") = "7"
    & skf18("8","7","1","1","7","3","1") = "7"
    & skf18("8","7","1","1","7","4","1") = "7"
    & skf18("8","7","1","1","7","5","1") = "7"
    & skf18("8","7","1","1","7","6","1") = "7"
    & skf18("8","7","1","1","7","7","1") = "7"
    & skf18("8","7","1","1","7","8","1") = "7"
    & skf18("8","7","1","1","7","9","1") = "8"
    & skf18("8","7","1","1","7","10","1") = "9"
    & skf18("8","7","1","1","8","1","1") = "7"
    & skf18("8","7","1","1","8","2","1") = "7"
    & skf18("8","7","1","1","8","3","1") = "7"
    & skf18("8","7","1","1","8","4","1") = "7"
    & skf18("8","7","1","1","8","5","1") = "7"
    & skf18("8","7","1","1","8","6","1") = "7"
    & skf18("8","7","1","1","8","7","1") = "7"
    & skf18("8","7","1","1","8","8","1") = "7"
    & skf18("8","7","1","1","8","9","1") = "8"
    & skf18("8","7","1","1","8","10","1") = "9"
    & skf18("8","7","1","1","9","1","1") = "8"
    & skf18("8","7","1","1","9","2","1") = "8"
    & skf18("8","7","1","1","9","3","1") = "8"
    & skf18("8","7","1","1","9","4","1") = "8"
    & skf18("8","7","1","1","9","5","1") = "8"
    & skf18("8","7","1","1","9","6","1") = "8"
    & skf18("8","7","1","1","9","7","1") = "8"
    & skf18("8","7","1","1","9","8","1") = "8"
    & skf18("8","7","1","1","9","9","1") = "8"
    & skf18("8","7","1","1","9","10","1") = "9"
    & skf18("8","7","1","1","10","1","1") = "9"
    & skf18("8","7","1","1","10","2","1") = "9"
    & skf18("8","7","1","1","10","3","1") = "9"
    & skf18("8","7","1","1","10","4","1") = "9"
    & skf18("8","7","1","1","10","5","1") = "9"
    & skf18("8","7","1","1","10","6","1") = "9"
    & skf18("8","7","1","1","10","7","1") = "9"
    & skf18("8","7","1","1","10","8","1") = "9"
    & skf18("8","7","1","1","10","9","1") = "9"
    & skf18("8","7","1","1","10","10","1") = "9"
    & skf18("8","7","1","2","1","1","1") = "7"
    & skf18("8","7","1","2","1","2","1") = "7"
    & skf18("8","7","1","2","1","3","1") = "7"
    & skf18("8","7","1","2","1","4","1") = "7"
    & skf18("8","7","1","2","1","5","1") = "7"
    & skf18("8","7","1","2","1","6","1") = "7"
    & skf18("8","7","1","2","1","7","1") = "7"
    & skf18("8","7","1","2","1","8","1") = "7"
    & skf18("8","7","1","2","1","9","1") = "8"
    & skf18("8","7","1","2","1","10","1") = "9"
    & skf18("8","7","1","2","2","1","1") = "7"
    & skf18("8","7","1","2","2","2","1") = "7"
    & skf18("8","7","1","2","2","3","1") = "7"
    & skf18("8","7","1","2","2","4","1") = "7"
    & skf18("8","7","1","2","2","5","1") = "7"
    & skf18("8","7","1","2","2","6","1") = "7"
    & skf18("8","7","1","2","2","7","1") = "7"
    & skf18("8","7","1","2","2","8","1") = "7"
    & skf18("8","7","1","2","2","9","1") = "8"
    & skf18("8","7","1","2","2","10","1") = "9"
    & skf18("8","7","1","2","3","1","1") = "7"
    & skf18("8","7","1","2","3","2","1") = "7"
    & skf18("8","7","1","2","3","3","1") = "7"
    & skf18("8","7","1","2","3","4","1") = "7"
    & skf18("8","7","1","2","3","5","1") = "7"
    & skf18("8","7","1","2","3","6","1") = "7"
    & skf18("8","7","1","2","3","7","1") = "7"
    & skf18("8","7","1","2","3","8","1") = "7"
    & skf18("8","7","1","2","3","9","1") = "8"
    & skf18("8","7","1","2","3","10","1") = "9"
    & skf18("8","7","1","2","4","1","1") = "7"
    & skf18("8","7","1","2","4","2","1") = "7"
    & skf18("8","7","1","2","4","3","1") = "7"
    & skf18("8","7","1","2","4","4","1") = "7"
    & skf18("8","7","1","2","4","5","1") = "7"
    & skf18("8","7","1","2","4","6","1") = "7"
    & skf18("8","7","1","2","4","7","1") = "7"
    & skf18("8","7","1","2","4","8","1") = "7"
    & skf18("8","7","1","2","4","9","1") = "8"
    & skf18("8","7","1","2","4","10","1") = "9"
    & skf18("8","7","1","2","5","1","1") = "7"
    & skf18("8","7","1","2","5","2","1") = "7"
    & skf18("8","7","1","2","5","3","1") = "7"
    & skf18("8","7","1","2","5","4","1") = "7"
    & skf18("8","7","1","2","5","5","1") = "7"
    & skf18("8","7","1","2","5","6","1") = "7"
    & skf18("8","7","1","2","5","7","1") = "7"
    & skf18("8","7","1","2","5","8","1") = "7"
    & skf18("8","7","1","2","5","9","1") = "8"
    & skf18("8","7","1","2","5","10","1") = "9"
    & skf18("8","7","1","2","6","1","1") = "7"
    & skf18("8","7","1","2","6","2","1") = "7"
    & skf18("8","7","1","2","6","3","1") = "7"
    & skf18("8","7","1","2","6","4","1") = "7"
    & skf18("8","7","1","2","6","5","1") = "7"
    & skf18("8","7","1","2","6","6","1") = "7"
    & skf18("8","7","1","2","6","7","1") = "7"
    & skf18("8","7","1","2","6","8","1") = "7"
    & skf18("8","7","1","2","6","9","1") = "8"
    & skf18("8","7","1","2","6","10","1") = "9"
    & skf18("8","7","1","2","7","1","1") = "7"
    & skf18("8","7","1","2","7","2","1") = "7"
    & skf18("8","7","1","2","7","3","1") = "7"
    & skf18("8","7","1","2","7","4","1") = "7"
    & skf18("8","7","1","2","7","5","1") = "7"
    & skf18("8","7","1","2","7","6","1") = "7"
    & skf18("8","7","1","2","7","7","1") = "7"
    & skf18("8","7","1","2","7","8","1") = "7"
    & skf18("8","7","1","2","7","9","1") = "8"
    & skf18("8","7","1","2","7","10","1") = "9"
    & skf18("8","7","1","2","8","1","1") = "7"
    & skf18("8","7","1","2","8","2","1") = "7"
    & skf18("8","7","1","2","8","3","1") = "7"
    & skf18("8","7","1","2","8","4","1") = "7"
    & skf18("8","7","1","2","8","5","1") = "7"
    & skf18("8","7","1","2","8","6","1") = "7"
    & skf18("8","7","1","2","8","7","1") = "7"
    & skf18("8","7","1","2","8","8","1") = "7"
    & skf18("8","7","1","2","8","9","1") = "8"
    & skf18("8","7","1","2","8","10","1") = "9"
    & skf18("8","7","1","2","9","1","1") = "8"
    & skf18("8","7","1","2","9","2","1") = "8"
    & skf18("8","7","1","2","9","3","1") = "8"
    & skf18("8","7","1","2","9","4","1") = "8"
    & skf18("8","7","1","2","9","5","1") = "8"
    & skf18("8","7","1","2","9","6","1") = "8"
    & skf18("8","7","1","2","9","7","1") = "8"
    & skf18("8","7","1","2","9","8","1") = "8"
    & skf18("8","7","1","2","9","9","1") = "8"
    & skf18("8","7","1","2","9","10","1") = "9"
    & skf18("8","7","1","2","10","1","1") = "9"
    & skf18("8","7","1","2","10","2","1") = "9"
    & skf18("8","7","1","2","10","3","1") = "9"
    & skf18("8","7","1","2","10","4","1") = "9"
    & skf18("8","7","1","2","10","5","1") = "9"
    & skf18("8","7","1","2","10","6","1") = "9"
    & skf18("8","7","1","2","10","7","1") = "9"
    & skf18("8","7","1","2","10","8","1") = "9"
    & skf18("8","7","1","2","10","9","1") = "9"
    & skf18("8","7","1","2","10","10","1") = "9"
    & skf18("8","7","1","3","1","1","1") = "7"
    & skf18("8","7","1","3","1","2","1") = "7"
    & skf18("8","7","1","3","1","3","1") = "7"
    & skf18("8","7","1","3","1","4","1") = "7"
    & skf18("8","7","1","3","1","5","1") = "7"
    & skf18("8","7","1","3","1","6","1") = "7"
    & skf18("8","7","1","3","1","7","1") = "7"
    & skf18("8","7","1","3","1","8","1") = "7"
    & skf18("8","7","1","3","1","9","1") = "8"
    & skf18("8","7","1","3","1","10","1") = "9"
    & skf18("8","7","1","3","2","1","1") = "7"
    & skf18("8","7","1","3","2","2","1") = "7"
    & skf18("8","7","1","3","2","3","1") = "7"
    & skf18("8","7","1","3","2","4","1") = "7"
    & skf18("8","7","1","3","2","5","1") = "7"
    & skf18("8","7","1","3","2","6","1") = "7"
    & skf18("8","7","1","3","2","7","1") = "7"
    & skf18("8","7","1","3","2","8","1") = "7"
    & skf18("8","7","1","3","2","9","1") = "8"
    & skf18("8","7","1","3","2","10","1") = "9"
    & skf18("8","7","1","3","3","1","1") = "7"
    & skf18("8","7","1","3","3","2","1") = "7"
    & skf18("8","7","1","3","3","3","1") = "7"
    & skf18("8","7","1","3","3","4","1") = "7"
    & skf18("8","7","1","3","3","5","1") = "7"
    & skf18("8","7","1","3","3","6","1") = "7"
    & skf18("8","7","1","3","3","7","1") = "7"
    & skf18("8","7","1","3","3","8","1") = "7"
    & skf18("8","7","1","3","3","9","1") = "8"
    & skf18("8","7","1","3","3","10","1") = "9"
    & skf18("8","7","1","3","4","1","1") = "7"
    & skf18("8","7","1","3","4","2","1") = "7"
    & skf18("8","7","1","3","4","3","1") = "7"
    & skf18("8","7","1","3","4","4","1") = "7"
    & skf18("8","7","1","3","4","5","1") = "7"
    & skf18("8","7","1","3","4","6","1") = "7"
    & skf18("8","7","1","3","4","7","1") = "7"
    & skf18("8","7","1","3","4","8","1") = "7"
    & skf18("8","7","1","3","4","9","1") = "8"
    & skf18("8","7","1","3","4","10","1") = "9"
    & skf18("8","7","1","3","5","1","1") = "7"
    & skf18("8","7","1","3","5","2","1") = "7"
    & skf18("8","7","1","3","5","3","1") = "7"
    & skf18("8","7","1","3","5","4","1") = "7"
    & skf18("8","7","1","3","5","5","1") = "7"
    & skf18("8","7","1","3","5","6","1") = "7"
    & skf18("8","7","1","3","5","7","1") = "7"
    & skf18("8","7","1","3","5","8","1") = "7"
    & skf18("8","7","1","3","5","9","1") = "8"
    & skf18("8","7","1","3","5","10","1") = "9"
    & skf18("8","7","1","3","6","1","1") = "7"
    & skf18("8","7","1","3","6","2","1") = "7"
    & skf18("8","7","1","3","6","3","1") = "7"
    & skf18("8","7","1","3","6","4","1") = "7"
    & skf18("8","7","1","3","6","5","1") = "7"
    & skf18("8","7","1","3","6","6","1") = "7"
    & skf18("8","7","1","3","6","7","1") = "7"
    & skf18("8","7","1","3","6","8","1") = "7"
    & skf18("8","7","1","3","6","9","1") = "8"
    & skf18("8","7","1","3","6","10","1") = "9"
    & skf18("8","7","1","3","7","1","1") = "7"
    & skf18("8","7","1","3","7","2","1") = "7"
    & skf18("8","7","1","3","7","3","1") = "7"
    & skf18("8","7","1","3","7","4","1") = "7"
    & skf18("8","7","1","3","7","5","1") = "7"
    & skf18("8","7","1","3","7","6","1") = "7"
    & skf18("8","7","1","3","7","7","1") = "7"
    & skf18("8","7","1","3","7","8","1") = "7"
    & skf18("8","7","1","3","7","9","1") = "8"
    & skf18("8","7","1","3","7","10","1") = "9"
    & skf18("8","7","1","3","8","1","1") = "7"
    & skf18("8","7","1","3","8","2","1") = "7"
    & skf18("8","7","1","3","8","3","1") = "7"
    & skf18("8","7","1","3","8","4","1") = "7"
    & skf18("8","7","1","3","8","5","1") = "7"
    & skf18("8","7","1","3","8","6","1") = "7"
    & skf18("8","7","1","3","8","7","1") = "7"
    & skf18("8","7","1","3","8","8","1") = "7"
    & skf18("8","7","1","3","8","9","1") = "8"
    & skf18("8","7","1","3","8","10","1") = "9"
    & skf18("8","7","1","3","9","1","1") = "8"
    & skf18("8","7","1","3","9","2","1") = "8"
    & skf18("8","7","1","3","9","3","1") = "8"
    & skf18("8","7","1","3","9","4","1") = "8"
    & skf18("8","7","1","3","9","5","1") = "8"
    & skf18("8","7","1","3","9","6","1") = "8"
    & skf18("8","7","1","3","9","7","1") = "8"
    & skf18("8","7","1","3","9","8","1") = "8"
    & skf18("8","7","1","3","9","9","1") = "8"
    & skf18("8","7","1","3","9","10","1") = "9"
    & skf18("8","7","1","3","10","1","1") = "9"
    & skf18("8","7","1","3","10","2","1") = "9"
    & skf18("8","7","1","3","10","3","1") = "9"
    & skf18("8","7","1","3","10","4","1") = "9"
    & skf18("8","7","1","3","10","5","1") = "9"
    & skf18("8","7","1","3","10","6","1") = "9"
    & skf18("8","7","1","3","10","7","1") = "9"
    & skf18("8","7","1","3","10","8","1") = "9"
    & skf18("8","7","1","3","10","9","1") = "9"
    & skf18("8","7","1","3","10","10","1") = "9"
    & skf18("8","7","1","4","1","1","1") = "7"
    & skf18("8","7","1","4","1","2","1") = "7"
    & skf18("8","7","1","4","1","3","1") = "7"
    & skf18("8","7","1","4","1","4","1") = "7"
    & skf18("8","7","1","4","1","5","1") = "7"
    & skf18("8","7","1","4","1","6","1") = "7"
    & skf18("8","7","1","4","1","7","1") = "7"
    & skf18("8","7","1","4","1","8","1") = "7"
    & skf18("8","7","1","4","1","9","1") = "8"
    & skf18("8","7","1","4","1","10","1") = "9"
    & skf18("8","7","1","4","2","1","1") = "7"
    & skf18("8","7","1","4","2","2","1") = "7"
    & skf18("8","7","1","4","2","3","1") = "7"
    & skf18("8","7","1","4","2","4","1") = "7"
    & skf18("8","7","1","4","2","5","1") = "7"
    & skf18("8","7","1","4","2","6","1") = "7"
    & skf18("8","7","1","4","2","7","1") = "7"
    & skf18("8","7","1","4","2","8","1") = "7"
    & skf18("8","7","1","4","2","9","1") = "8"
    & skf18("8","7","1","4","2","10","1") = "9"
    & skf18("8","7","1","4","3","1","1") = "7"
    & skf18("8","7","1","4","3","2","1") = "7"
    & skf18("8","7","1","4","3","3","1") = "7"
    & skf18("8","7","1","4","3","4","1") = "7"
    & skf18("8","7","1","4","3","5","1") = "7"
    & skf18("8","7","1","4","3","6","1") = "7"
    & skf18("8","7","1","4","3","7","1") = "7"
    & skf18("8","7","1","4","3","8","1") = "7"
    & skf18("8","7","1","4","3","9","1") = "8"
    & skf18("8","7","1","4","3","10","1") = "9"
    & skf18("8","7","1","4","4","1","1") = "7"
    & skf18("8","7","1","4","4","2","1") = "7"
    & skf18("8","7","1","4","4","3","1") = "7"
    & skf18("8","7","1","4","4","4","1") = "7"
    & skf18("8","7","1","4","4","5","1") = "7"
    & skf18("8","7","1","4","4","6","1") = "7"
    & skf18("8","7","1","4","4","7","1") = "7"
    & skf18("8","7","1","4","4","8","1") = "7"
    & skf18("8","7","1","4","4","9","1") = "8"
    & skf18("8","7","1","4","4","10","1") = "9"
    & skf18("8","7","1","4","5","1","1") = "7"
    & skf18("8","7","1","4","5","2","1") = "7"
    & skf18("8","7","1","4","5","3","1") = "7"
    & skf18("8","7","1","4","5","4","1") = "7"
    & skf18("8","7","1","4","5","5","1") = "7"
    & skf18("8","7","1","4","5","6","1") = "7"
    & skf18("8","7","1","4","5","7","1") = "7"
    & skf18("8","7","1","4","5","8","1") = "7"
    & skf18("8","7","1","4","5","9","1") = "8"
    & skf18("8","7","1","4","5","10","1") = "9"
    & skf18("8","7","1","4","6","1","1") = "7"
    & skf18("8","7","1","4","6","2","1") = "7"
    & skf18("8","7","1","4","6","3","1") = "7"
    & skf18("8","7","1","4","6","4","1") = "7"
    & skf18("8","7","1","4","6","5","1") = "7"
    & skf18("8","7","1","4","6","6","1") = "7"
    & skf18("8","7","1","4","6","7","1") = "7"
    & skf18("8","7","1","4","6","8","1") = "7"
    & skf18("8","7","1","4","6","9","1") = "8"
    & skf18("8","7","1","4","6","10","1") = "9"
    & skf18("8","7","1","4","7","1","1") = "7"
    & skf18("8","7","1","4","7","2","1") = "7"
    & skf18("8","7","1","4","7","3","1") = "7"
    & skf18("8","7","1","4","7","4","1") = "7"
    & skf18("8","7","1","4","7","5","1") = "7"
    & skf18("8","7","1","4","7","6","1") = "7"
    & skf18("8","7","1","4","7","7","1") = "7"
    & skf18("8","7","1","4","7","8","1") = "7"
    & skf18("8","7","1","4","7","9","1") = "8"
    & skf18("8","7","1","4","7","10","1") = "9"
    & skf18("8","7","1","4","8","1","1") = "7"
    & skf18("8","7","1","4","8","2","1") = "7"
    & skf18("8","7","1","4","8","3","1") = "7"
    & skf18("8","7","1","4","8","4","1") = "7"
    & skf18("8","7","1","4","8","5","1") = "7"
    & skf18("8","7","1","4","8","6","1") = "7"
    & skf18("8","7","1","4","8","7","1") = "7"
    & skf18("8","7","1","4","8","8","1") = "7"
    & skf18("8","7","1","4","8","9","1") = "8"
    & skf18("8","7","1","4","8","10","1") = "9"
    & skf18("8","7","1","4","9","1","1") = "8"
    & skf18("8","7","1","4","9","2","1") = "8"
    & skf18("8","7","1","4","9","3","1") = "8"
    & skf18("8","7","1","4","9","4","1") = "8"
    & skf18("8","7","1","4","9","5","1") = "8"
    & skf18("8","7","1","4","9","6","1") = "8"
    & skf18("8","7","1","4","9","7","1") = "8"
    & skf18("8","7","1","4","9","8","1") = "8"
    & skf18("8","7","1","4","9","9","1") = "8"
    & skf18("8","7","1","4","9","10","1") = "9"
    & skf18("8","7","1","4","10","1","1") = "9"
    & skf18("8","7","1","4","10","2","1") = "9"
    & skf18("8","7","1","4","10","3","1") = "9"
    & skf18("8","7","1","4","10","4","1") = "9"
    & skf18("8","7","1","4","10","5","1") = "9"
    & skf18("8","7","1","4","10","6","1") = "9"
    & skf18("8","7","1","4","10","7","1") = "9"
    & skf18("8","7","1","4","10","8","1") = "9"
    & skf18("8","7","1","4","10","9","1") = "9"
    & skf18("8","7","1","4","10","10","1") = "9"
    & skf18("8","7","1","5","1","1","1") = "7"
    & skf18("8","7","1","5","1","2","1") = "7"
    & skf18("8","7","1","5","1","3","1") = "7"
    & skf18("8","7","1","5","1","4","1") = "7"
    & skf18("8","7","1","5","1","5","1") = "7"
    & skf18("8","7","1","5","1","6","1") = "7"
    & skf18("8","7","1","5","1","7","1") = "7"
    & skf18("8","7","1","5","1","8","1") = "7"
    & skf18("8","7","1","5","1","9","1") = "8"
    & skf18("8","7","1","5","1","10","1") = "9"
    & skf18("8","7","1","5","2","1","1") = "7"
    & skf18("8","7","1","5","2","2","1") = "7"
    & skf18("8","7","1","5","2","3","1") = "7"
    & skf18("8","7","1","5","2","4","1") = "7"
    & skf18("8","7","1","5","2","5","1") = "7"
    & skf18("8","7","1","5","2","6","1") = "7"
    & skf18("8","7","1","5","2","7","1") = "7"
    & skf18("8","7","1","5","2","8","1") = "7"
    & skf18("8","7","1","5","2","9","1") = "8"
    & skf18("8","7","1","5","2","10","1") = "9"
    & skf18("8","7","1","5","3","1","1") = "7"
    & skf18("8","7","1","5","3","2","1") = "7"
    & skf18("8","7","1","5","3","3","1") = "7"
    & skf18("8","7","1","5","3","4","1") = "7"
    & skf18("8","7","1","5","3","5","1") = "7"
    & skf18("8","7","1","5","3","6","1") = "7"
    & skf18("8","7","1","5","3","7","1") = "7"
    & skf18("8","7","1","5","3","8","1") = "7"
    & skf18("8","7","1","5","3","9","1") = "8"
    & skf18("8","7","1","5","3","10","1") = "9"
    & skf18("8","7","1","5","4","1","1") = "7"
    & skf18("8","7","1","5","4","2","1") = "7"
    & skf18("8","7","1","5","4","3","1") = "7"
    & skf18("8","7","1","5","4","4","1") = "7"
    & skf18("8","7","1","5","4","5","1") = "7"
    & skf18("8","7","1","5","4","6","1") = "7"
    & skf18("8","7","1","5","4","7","1") = "7"
    & skf18("8","7","1","5","4","8","1") = "7"
    & skf18("8","7","1","5","4","9","1") = "8"
    & skf18("8","7","1","5","4","10","1") = "9"
    & skf18("8","7","1","5","5","1","1") = "7"
    & skf18("8","7","1","5","5","2","1") = "7"
    & skf18("8","7","1","5","5","3","1") = "7"
    & skf18("8","7","1","5","5","4","1") = "7"
    & skf18("8","7","1","5","5","5","1") = "7"
    & skf18("8","7","1","5","5","6","1") = "7"
    & skf18("8","7","1","5","5","7","1") = "7"
    & skf18("8","7","1","5","5","8","1") = "7"
    & skf18("8","7","1","5","5","9","1") = "8"
    & skf18("8","7","1","5","5","10","1") = "9"
    & skf18("8","7","1","5","6","1","1") = "7"
    & skf18("8","7","1","5","6","2","1") = "7"
    & skf18("8","7","1","5","6","3","1") = "7"
    & skf18("8","7","1","5","6","4","1") = "7"
    & skf18("8","7","1","5","6","5","1") = "7"
    & skf18("8","7","1","5","6","6","1") = "7"
    & skf18("8","7","1","5","6","7","1") = "7"
    & skf18("8","7","1","5","6","8","1") = "7"
    & skf18("8","7","1","5","6","9","1") = "8"
    & skf18("8","7","1","5","6","10","1") = "9"
    & skf18("8","7","1","5","7","1","1") = "7"
    & skf18("8","7","1","5","7","2","1") = "7"
    & skf18("8","7","1","5","7","3","1") = "7"
    & skf18("8","7","1","5","7","4","1") = "7"
    & skf18("8","7","1","5","7","5","1") = "7"
    & skf18("8","7","1","5","7","6","1") = "7"
    & skf18("8","7","1","5","7","7","1") = "7"
    & skf18("8","7","1","5","7","8","1") = "7"
    & skf18("8","7","1","5","7","9","1") = "8"
    & skf18("8","7","1","5","7","10","1") = "9"
    & skf18("8","7","1","5","8","1","1") = "7"
    & skf18("8","7","1","5","8","2","1") = "7"
    & skf18("8","7","1","5","8","3","1") = "7"
    & skf18("8","7","1","5","8","4","1") = "7"
    & skf18("8","7","1","5","8","5","1") = "7"
    & skf18("8","7","1","5","8","6","1") = "7"
    & skf18("8","7","1","5","8","7","1") = "7"
    & skf18("8","7","1","5","8","8","1") = "7"
    & skf18("8","7","1","5","8","9","1") = "8"
    & skf18("8","7","1","5","8","10","1") = "9"
    & skf18("8","7","1","5","9","1","1") = "8"
    & skf18("8","7","1","5","9","2","1") = "8"
    & skf18("8","7","1","5","9","3","1") = "8"
    & skf18("8","7","1","5","9","4","1") = "8"
    & skf18("8","7","1","5","9","5","1") = "8"
    & skf18("8","7","1","5","9","6","1") = "8"
    & skf18("8","7","1","5","9","7","1") = "8"
    & skf18("8","7","1","5","9","8","1") = "8"
    & skf18("8","7","1","5","9","9","1") = "8"
    & skf18("8","7","1","5","9","10","1") = "9"
    & skf18("8","7","1","5","10","1","1") = "9"
    & skf18("8","7","1","5","10","2","1") = "9"
    & skf18("8","7","1","5","10","3","1") = "9"
    & skf18("8","7","1","5","10","4","1") = "9"
    & skf18("8","7","1","5","10","5","1") = "9"
    & skf18("8","7","1","5","10","6","1") = "9"
    & skf18("8","7","1","5","10","7","1") = "9"
    & skf18("8","7","1","5","10","8","1") = "9"
    & skf18("8","7","1","5","10","9","1") = "9"
    & skf18("8","7","1","5","10","10","1") = "9"
    & skf18("8","7","1","6","1","1","1") = "7"
    & skf18("8","7","1","6","1","2","1") = "7"
    & skf18("8","7","1","6","1","3","1") = "7"
    & skf18("8","7","1","6","1","4","1") = "7"
    & skf18("8","7","1","6","1","5","1") = "7"
    & skf18("8","7","1","6","1","6","1") = "7"
    & skf18("8","7","1","6","1","7","1") = "7"
    & skf18("8","7","1","6","1","8","1") = "7"
    & skf18("8","7","1","6","1","9","1") = "8"
    & skf18("8","7","1","6","1","10","1") = "9"
    & skf18("8","7","1","6","2","1","1") = "7"
    & skf18("8","7","1","6","2","2","1") = "7"
    & skf18("8","7","1","6","2","3","1") = "7"
    & skf18("8","7","1","6","2","4","1") = "7"
    & skf18("8","7","1","6","2","5","1") = "7"
    & skf18("8","7","1","6","2","6","1") = "7"
    & skf18("8","7","1","6","2","7","1") = "7"
    & skf18("8","7","1","6","2","8","1") = "7"
    & skf18("8","7","1","6","2","9","1") = "8"
    & skf18("8","7","1","6","2","10","1") = "9"
    & skf18("8","7","1","6","3","1","1") = "7"
    & skf18("8","7","1","6","3","2","1") = "7"
    & skf18("8","7","1","6","3","3","1") = "7"
    & skf18("8","7","1","6","3","4","1") = "7"
    & skf18("8","7","1","6","3","5","1") = "7"
    & skf18("8","7","1","6","3","6","1") = "7"
    & skf18("8","7","1","6","3","7","1") = "7"
    & skf18("8","7","1","6","3","8","1") = "7"
    & skf18("8","7","1","6","3","9","1") = "8"
    & skf18("8","7","1","6","3","10","1") = "9"
    & skf18("8","7","1","6","4","1","1") = "7"
    & skf18("8","7","1","6","4","2","1") = "7"
    & skf18("8","7","1","6","4","3","1") = "7"
    & skf18("8","7","1","6","4","4","1") = "7"
    & skf18("8","7","1","6","4","5","1") = "7"
    & skf18("8","7","1","6","4","6","1") = "7"
    & skf18("8","7","1","6","4","7","1") = "7"
    & skf18("8","7","1","6","4","8","1") = "7"
    & skf18("8","7","1","6","4","9","1") = "8"
    & skf18("8","7","1","6","4","10","1") = "9"
    & skf18("8","7","1","6","5","1","1") = "7"
    & skf18("8","7","1","6","5","2","1") = "7"
    & skf18("8","7","1","6","5","3","1") = "7"
    & skf18("8","7","1","6","5","4","1") = "7"
    & skf18("8","7","1","6","5","5","1") = "7"
    & skf18("8","7","1","6","5","6","1") = "7"
    & skf18("8","7","1","6","5","7","1") = "7"
    & skf18("8","7","1","6","5","8","1") = "7"
    & skf18("8","7","1","6","5","9","1") = "8"
    & skf18("8","7","1","6","5","10","1") = "9"
    & skf18("8","7","1","6","6","1","1") = "7"
    & skf18("8","7","1","6","6","2","1") = "7"
    & skf18("8","7","1","6","6","3","1") = "7"
    & skf18("8","7","1","6","6","4","1") = "7"
    & skf18("8","7","1","6","6","5","1") = "7"
    & skf18("8","7","1","6","6","6","1") = "7"
    & skf18("8","7","1","6","6","7","1") = "7"
    & skf18("8","7","1","6","6","8","1") = "7"
    & skf18("8","7","1","6","6","9","1") = "8"
    & skf18("8","7","1","6","6","10","1") = "9"
    & skf18("8","7","1","6","7","1","1") = "7"
    & skf18("8","7","1","6","7","2","1") = "7"
    & skf18("8","7","1","6","7","3","1") = "7"
    & skf18("8","7","1","6","7","4","1") = "7"
    & skf18("8","7","1","6","7","5","1") = "7"
    & skf18("8","7","1","6","7","6","1") = "7"
    & skf18("8","7","1","6","7","7","1") = "7"
    & skf18("8","7","1","6","7","8","1") = "7"
    & skf18("8","7","1","6","7","9","1") = "8"
    & skf18("8","7","1","6","7","10","1") = "9"
    & skf18("8","7","1","6","8","1","1") = "7"
    & skf18("8","7","1","6","8","2","1") = "7"
    & skf18("8","7","1","6","8","3","1") = "7"
    & skf18("8","7","1","6","8","4","1") = "7"
    & skf18("8","7","1","6","8","5","1") = "7"
    & skf18("8","7","1","6","8","6","1") = "7"
    & skf18("8","7","1","6","8","7","1") = "7"
    & skf18("8","7","1","6","8","8","1") = "7"
    & skf18("8","7","1","6","8","9","1") = "8"
    & skf18("8","7","1","6","8","10","1") = "9"
    & skf18("8","7","1","6","9","1","1") = "8"
    & skf18("8","7","1","6","9","2","1") = "8"
    & skf18("8","7","1","6","9","3","1") = "8"
    & skf18("8","7","1","6","9","4","1") = "8"
    & skf18("8","7","1","6","9","5","1") = "8"
    & skf18("8","7","1","6","9","6","1") = "8"
    & skf18("8","7","1","6","9","7","1") = "8"
    & skf18("8","7","1","6","9","8","1") = "8"
    & skf18("8","7","1","6","9","9","1") = "8"
    & skf18("8","7","1","6","9","10","1") = "9"
    & skf18("8","7","1","6","10","1","1") = "9"
    & skf18("8","7","1","6","10","2","1") = "9"
    & skf18("8","7","1","6","10","3","1") = "9"
    & skf18("8","7","1","6","10","4","1") = "9"
    & skf18("8","7","1","6","10","5","1") = "9"
    & skf18("8","7","1","6","10","6","1") = "9"
    & skf18("8","7","1","6","10","7","1") = "9"
    & skf18("8","7","1","6","10","8","1") = "9"
    & skf18("8","7","1","6","10","9","1") = "9"
    & skf18("8","7","1","6","10","10","1") = "9"
    & skf18("8","7","1","7","1","1","1") = "7"
    & skf18("8","7","1","7","1","2","1") = "7"
    & skf18("8","7","1","7","1","3","1") = "7"
    & skf18("8","7","1","7","1","4","1") = "7"
    & skf18("8","7","1","7","1","5","1") = "7"
    & skf18("8","7","1","7","1","6","1") = "7"
    & skf18("8","7","1","7","1","7","1") = "7"
    & skf18("8","7","1","7","1","8","1") = "7"
    & skf18("8","7","1","7","1","9","1") = "8"
    & skf18("8","7","1","7","1","10","1") = "9"
    & skf18("8","7","1","7","2","1","1") = "7"
    & skf18("8","7","1","7","2","2","1") = "7"
    & skf18("8","7","1","7","2","3","1") = "7"
    & skf18("8","7","1","7","2","4","1") = "7"
    & skf18("8","7","1","7","2","5","1") = "7"
    & skf18("8","7","1","7","2","6","1") = "7"
    & skf18("8","7","1","7","2","7","1") = "7"
    & skf18("8","7","1","7","2","8","1") = "7"
    & skf18("8","7","1","7","2","9","1") = "8"
    & skf18("8","7","1","7","2","10","1") = "9"
    & skf18("8","7","1","7","3","1","1") = "7"
    & skf18("8","7","1","7","3","2","1") = "7"
    & skf18("8","7","1","7","3","3","1") = "7"
    & skf18("8","7","1","7","3","4","1") = "7"
    & skf18("8","7","1","7","3","5","1") = "7"
    & skf18("8","7","1","7","3","6","1") = "7"
    & skf18("8","7","1","7","3","7","1") = "7"
    & skf18("8","7","1","7","3","8","1") = "7"
    & skf18("8","7","1","7","3","9","1") = "8"
    & skf18("8","7","1","7","3","10","1") = "9"
    & skf18("8","7","1","7","4","1","1") = "7"
    & skf18("8","7","1","7","4","2","1") = "7"
    & skf18("8","7","1","7","4","3","1") = "7"
    & skf18("8","7","1","7","4","4","1") = "7"
    & skf18("8","7","1","7","4","5","1") = "7"
    & skf18("8","7","1","7","4","6","1") = "7"
    & skf18("8","7","1","7","4","7","1") = "7"
    & skf18("8","7","1","7","4","8","1") = "7"
    & skf18("8","7","1","7","4","9","1") = "8"
    & skf18("8","7","1","7","4","10","1") = "9"
    & skf18("8","7","1","7","5","1","1") = "7"
    & skf18("8","7","1","7","5","2","1") = "7"
    & skf18("8","7","1","7","5","3","1") = "7"
    & skf18("8","7","1","7","5","4","1") = "7"
    & skf18("8","7","1","7","5","5","1") = "7"
    & skf18("8","7","1","7","5","6","1") = "7"
    & skf18("8","7","1","7","5","7","1") = "7"
    & skf18("8","7","1","7","5","8","1") = "7"
    & skf18("8","7","1","7","5","9","1") = "8"
    & skf18("8","7","1","7","5","10","1") = "9"
    & skf18("8","7","1","7","6","1","1") = "7"
    & skf18("8","7","1","7","6","2","1") = "7"
    & skf18("8","7","1","7","6","3","1") = "7"
    & skf18("8","7","1","7","6","4","1") = "7"
    & skf18("8","7","1","7","6","5","1") = "7"
    & skf18("8","7","1","7","6","6","1") = "7"
    & skf18("8","7","1","7","6","7","1") = "7"
    & skf18("8","7","1","7","6","8","1") = "7"
    & skf18("8","7","1","7","6","9","1") = "8"
    & skf18("8","7","1","7","6","10","1") = "9"
    & skf18("8","7","1","7","7","1","1") = "7"
    & skf18("8","7","1","7","7","2","1") = "7"
    & skf18("8","7","1","7","7","3","1") = "7"
    & skf18("8","7","1","7","7","4","1") = "7"
    & skf18("8","7","1","7","7","5","1") = "7"
    & skf18("8","7","1","7","7","6","1") = "7"
    & skf18("8","7","1","7","7","7","1") = "7"
    & skf18("8","7","1","7","7","8","1") = "7"
    & skf18("8","7","1","7","7","9","1") = "8"
    & skf18("8","7","1","7","7","10","1") = "9"
    & skf18("8","7","1","7","8","1","1") = "7"
    & skf18("8","7","1","7","8","2","1") = "7"
    & skf18("8","7","1","7","8","3","1") = "7"
    & skf18("8","7","1","7","8","4","1") = "7"
    & skf18("8","7","1","7","8","5","1") = "7"
    & skf18("8","7","1","7","8","6","1") = "7"
    & skf18("8","7","1","7","8","7","1") = "7"
    & skf18("8","7","1","7","8","8","1") = "7"
    & skf18("8","7","1","7","8","9","1") = "8"
    & skf18("8","7","1","7","8","10","1") = "9"
    & skf18("8","7","1","7","9","1","1") = "8"
    & skf18("8","7","1","7","9","2","1") = "8"
    & skf18("8","7","1","7","9","3","1") = "8"
    & skf18("8","7","1","7","9","4","1") = "8"
    & skf18("8","7","1","7","9","5","1") = "8"
    & skf18("8","7","1","7","9","6","1") = "8"
    & skf18("8","7","1","7","9","7","1") = "8"
    & skf18("8","7","1","7","9","8","1") = "8"
    & skf18("8","7","1","7","9","9","1") = "8"
    & skf18("8","7","1","7","9","10","1") = "9"
    & skf18("8","7","1","7","10","1","1") = "9"
    & skf18("8","7","1","7","10","2","1") = "9"
    & skf18("8","7","1","7","10","3","1") = "9"
    & skf18("8","7","1","7","10","4","1") = "9"
    & skf18("8","7","1","7","10","5","1") = "9"
    & skf18("8","7","1","7","10","6","1") = "9"
    & skf18("8","7","1","7","10","7","1") = "9"
    & skf18("8","7","1","7","10","8","1") = "9"
    & skf18("8","7","1","7","10","9","1") = "9"
    & skf18("8","7","1","7","10","10","1") = "9"
    & skf18("8","7","1","8","1","1","1") = "7"
    & skf18("8","7","1","8","1","2","1") = "7"
    & skf18("8","7","1","8","1","3","1") = "7"
    & skf18("8","7","1","8","1","4","1") = "7"
    & skf18("8","7","1","8","1","5","1") = "7"
    & skf18("8","7","1","8","1","6","1") = "7"
    & skf18("8","7","1","8","1","7","1") = "7"
    & skf18("8","7","1","8","1","8","1") = "7"
    & skf18("8","7","1","8","1","9","1") = "8"
    & skf18("8","7","1","8","1","10","1") = "9"
    & skf18("8","7","1","8","2","1","1") = "7"
    & skf18("8","7","1","8","2","2","1") = "7"
    & skf18("8","7","1","8","2","3","1") = "7"
    & skf18("8","7","1","8","2","4","1") = "7"
    & skf18("8","7","1","8","2","5","1") = "7"
    & skf18("8","7","1","8","2","6","1") = "7"
    & skf18("8","7","1","8","2","7","1") = "7"
    & skf18("8","7","1","8","2","8","1") = "7"
    & skf18("8","7","1","8","2","9","1") = "8"
    & skf18("8","7","1","8","2","10","1") = "9"
    & skf18("8","7","1","8","3","1","1") = "7"
    & skf18("8","7","1","8","3","2","1") = "7"
    & skf18("8","7","1","8","3","3","1") = "7"
    & skf18("8","7","1","8","3","4","1") = "7"
    & skf18("8","7","1","8","3","5","1") = "7"
    & skf18("8","7","1","8","3","6","1") = "7"
    & skf18("8","7","1","8","3","7","1") = "7"
    & skf18("8","7","1","8","3","8","1") = "7"
    & skf18("8","7","1","8","3","9","1") = "8"
    & skf18("8","7","1","8","3","10","1") = "9"
    & skf18("8","7","1","8","4","1","1") = "7"
    & skf18("8","7","1","8","4","2","1") = "7"
    & skf18("8","7","1","8","4","3","1") = "7"
    & skf18("8","7","1","8","4","4","1") = "7"
    & skf18("8","7","1","8","4","5","1") = "7"
    & skf18("8","7","1","8","4","6","1") = "7"
    & skf18("8","7","1","8","4","7","1") = "7"
    & skf18("8","7","1","8","4","8","1") = "7"
    & skf18("8","7","1","8","4","9","1") = "8"
    & skf18("8","7","1","8","4","10","1") = "9"
    & skf18("8","7","1","8","5","1","1") = "7"
    & skf18("8","7","1","8","5","2","1") = "7"
    & skf18("8","7","1","8","5","3","1") = "7"
    & skf18("8","7","1","8","5","4","1") = "7"
    & skf18("8","7","1","8","5","5","1") = "7"
    & skf18("8","7","1","8","5","6","1") = "7"
    & skf18("8","7","1","8","5","7","1") = "7"
    & skf18("8","7","1","8","5","8","1") = "7"
    & skf18("8","7","1","8","5","9","1") = "8"
    & skf18("8","7","1","8","5","10","1") = "9"
    & skf18("8","7","1","8","6","1","1") = "7"
    & skf18("8","7","1","8","6","2","1") = "7"
    & skf18("8","7","1","8","6","3","1") = "7"
    & skf18("8","7","1","8","6","4","1") = "7"
    & skf18("8","7","1","8","6","5","1") = "7"
    & skf18("8","7","1","8","6","6","1") = "7"
    & skf18("8","7","1","8","6","7","1") = "7"
    & skf18("8","7","1","8","6","8","1") = "7"
    & skf18("8","7","1","8","6","9","1") = "8"
    & skf18("8","7","1","8","6","10","1") = "9"
    & skf18("8","7","1","8","7","1","1") = "7"
    & skf18("8","7","1","8","7","2","1") = "7"
    & skf18("8","7","1","8","7","3","1") = "7"
    & skf18("8","7","1","8","7","4","1") = "7"
    & skf18("8","7","1","8","7","5","1") = "7"
    & skf18("8","7","1","8","7","6","1") = "7"
    & skf18("8","7","1","8","7","7","1") = "7"
    & skf18("8","7","1","8","7","8","1") = "7"
    & skf18("8","7","1","8","7","9","1") = "8"
    & skf18("8","7","1","8","7","10","1") = "9"
    & skf18("8","7","1","8","8","1","1") = "7"
    & skf18("8","7","1","8","8","2","1") = "7"
    & skf18("8","7","1","8","8","3","1") = "7"
    & skf18("8","7","1","8","8","4","1") = "7"
    & skf18("8","7","1","8","8","5","1") = "7"
    & skf18("8","7","1","8","8","6","1") = "7"
    & skf18("8","7","1","8","8","7","1") = "7"
    & skf18("8","7","1","8","8","8","1") = "7"
    & skf18("8","7","1","8","8","9","1") = "8"
    & skf18("8","7","1","8","8","10","1") = "9"
    & skf18("8","7","1","8","9","1","1") = "8"
    & skf18("8","7","1","8","9","2","1") = "8"
    & skf18("8","7","1","8","9","3","1") = "8"
    & skf18("8","7","1","8","9","4","1") = "8"
    & skf18("8","7","1","8","9","5","1") = "8"
    & skf18("8","7","1","8","9","6","1") = "8"
    & skf18("8","7","1","8","9","7","1") = "8"
    & skf18("8","7","1","8","9","8","1") = "8"
    & skf18("8","7","1","8","9","9","1") = "8"
    & skf18("8","7","1","8","9","10","1") = "9"
    & skf18("8","7","1","8","10","1","1") = "9"
    & skf18("8","7","1","8","10","2","1") = "9"
    & skf18("8","7","1","8","10","3","1") = "9"
    & skf18("8","7","1","8","10","4","1") = "9"
    & skf18("8","7","1","8","10","5","1") = "9"
    & skf18("8","7","1","8","10","6","1") = "9"
    & skf18("8","7","1","8","10","7","1") = "9"
    & skf18("8","7","1","8","10","8","1") = "9"
    & skf18("8","7","1","8","10","9","1") = "9"
    & skf18("8","7","1","8","10","10","1") = "9"
    & skf18("8","7","1","9","1","1","1") = "8"
    & skf18("8","7","1","9","1","2","1") = "8"
    & skf18("8","7","1","9","1","3","1") = "8"
    & skf18("8","7","1","9","1","4","1") = "8"
    & skf18("8","7","1","9","1","5","1") = "8"
    & skf18("8","7","1","9","1","6","1") = "8"
    & skf18("8","7","1","9","1","7","1") = "8"
    & skf18("8","7","1","9","1","8","1") = "8"
    & skf18("8","7","1","9","1","9","1") = "8"
    & skf18("8","7","1","9","1","10","1") = "9"
    & skf18("8","7","1","9","2","1","1") = "8"
    & skf18("8","7","1","9","2","2","1") = "8"
    & skf18("8","7","1","9","2","3","1") = "8"
    & skf18("8","7","1","9","2","4","1") = "8"
    & skf18("8","7","1","9","2","5","1") = "8"
    & skf18("8","7","1","9","2","6","1") = "8"
    & skf18("8","7","1","9","2","7","1") = "8"
    & skf18("8","7","1","9","2","8","1") = "8"
    & skf18("8","7","1","9","2","9","1") = "8"
    & skf18("8","7","1","9","2","10","1") = "9"
    & skf18("8","7","1","9","3","1","1") = "8"
    & skf18("8","7","1","9","3","2","1") = "8"
    & skf18("8","7","1","9","3","3","1") = "8"
    & skf18("8","7","1","9","3","4","1") = "8"
    & skf18("8","7","1","9","3","5","1") = "8"
    & skf18("8","7","1","9","3","6","1") = "8"
    & skf18("8","7","1","9","3","7","1") = "8"
    & skf18("8","7","1","9","3","8","1") = "8"
    & skf18("8","7","1","9","3","9","1") = "8"
    & skf18("8","7","1","9","3","10","1") = "9"
    & skf18("8","7","1","9","4","1","1") = "8"
    & skf18("8","7","1","9","4","2","1") = "8"
    & skf18("8","7","1","9","4","3","1") = "8"
    & skf18("8","7","1","9","4","4","1") = "8"
    & skf18("8","7","1","9","4","5","1") = "8"
    & skf18("8","7","1","9","4","6","1") = "8"
    & skf18("8","7","1","9","4","7","1") = "8"
    & skf18("8","7","1","9","4","8","1") = "8"
    & skf18("8","7","1","9","4","9","1") = "8"
    & skf18("8","7","1","9","4","10","1") = "9"
    & skf18("8","7","1","9","5","1","1") = "8"
    & skf18("8","7","1","9","5","2","1") = "8"
    & skf18("8","7","1","9","5","3","1") = "8"
    & skf18("8","7","1","9","5","4","1") = "8"
    & skf18("8","7","1","9","5","5","1") = "8"
    & skf18("8","7","1","9","5","6","1") = "8"
    & skf18("8","7","1","9","5","7","1") = "8"
    & skf18("8","7","1","9","5","8","1") = "8"
    & skf18("8","7","1","9","5","9","1") = "8"
    & skf18("8","7","1","9","5","10","1") = "9"
    & skf18("8","7","1","9","6","1","1") = "8"
    & skf18("8","7","1","9","6","2","1") = "8"
    & skf18("8","7","1","9","6","3","1") = "8"
    & skf18("8","7","1","9","6","4","1") = "8"
    & skf18("8","7","1","9","6","5","1") = "8"
    & skf18("8","7","1","9","6","6","1") = "8"
    & skf18("8","7","1","9","6","7","1") = "8"
    & skf18("8","7","1","9","6","8","1") = "8"
    & skf18("8","7","1","9","6","9","1") = "8"
    & skf18("8","7","1","9","6","10","1") = "9"
    & skf18("8","7","1","9","7","1","1") = "8"
    & skf18("8","7","1","9","7","2","1") = "8"
    & skf18("8","7","1","9","7","3","1") = "8"
    & skf18("8","7","1","9","7","4","1") = "8"
    & skf18("8","7","1","9","7","5","1") = "8"
    & skf18("8","7","1","9","7","6","1") = "8"
    & skf18("8","7","1","9","7","7","1") = "8"
    & skf18("8","7","1","9","7","8","1") = "8"
    & skf18("8","7","1","9","7","9","1") = "8"
    & skf18("8","7","1","9","7","10","1") = "9"
    & skf18("8","7","1","9","8","1","1") = "8"
    & skf18("8","7","1","9","8","2","1") = "8"
    & skf18("8","7","1","9","8","3","1") = "8"
    & skf18("8","7","1","9","8","4","1") = "8"
    & skf18("8","7","1","9","8","5","1") = "8"
    & skf18("8","7","1","9","8","6","1") = "8"
    & skf18("8","7","1","9","8","7","1") = "8"
    & skf18("8","7","1","9","8","8","1") = "8"
    & skf18("8","7","1","9","8","9","1") = "8"
    & skf18("8","7","1","9","8","10","1") = "9"
    & skf18("8","7","1","9","9","1","1") = "8"
    & skf18("8","7","1","9","9","2","1") = "8"
    & skf18("8","7","1","9","9","3","1") = "8"
    & skf18("8","7","1","9","9","4","1") = "8"
    & skf18("8","7","1","9","9","5","1") = "8"
    & skf18("8","7","1","9","9","6","1") = "8"
    & skf18("8","7","1","9","9","7","1") = "8"
    & skf18("8","7","1","9","9","8","1") = "8"
    & skf18("8","7","1","9","9","9","1") = "8"
    & skf18("8","7","1","9","9","10","1") = "9"
    & skf18("8","7","1","9","10","1","1") = "9"
    & skf18("8","7","1","9","10","2","1") = "9"
    & skf18("8","7","1","9","10","3","1") = "9"
    & skf18("8","7","1","9","10","4","1") = "9"
    & skf18("8","7","1","9","10","5","1") = "9"
    & skf18("8","7","1","9","10","6","1") = "9"
    & skf18("8","7","1","9","10","7","1") = "9"
    & skf18("8","7","1","9","10","8","1") = "9"
    & skf18("8","7","1","9","10","9","1") = "9"
    & skf18("8","7","1","9","10","10","1") = "9"
    & skf18("8","7","1","10","1","1","1") = "9"
    & skf18("8","7","1","10","1","2","1") = "9"
    & skf18("8","7","1","10","1","3","1") = "9"
    & skf18("8","7","1","10","1","4","1") = "9"
    & skf18("8","7","1","10","1","5","1") = "9"
    & skf18("8","7","1","10","1","6","1") = "9"
    & skf18("8","7","1","10","1","7","1") = "9"
    & skf18("8","7","1","10","1","8","1") = "9"
    & skf18("8","7","1","10","1","9","1") = "9"
    & skf18("8","7","1","10","1","10","1") = "9"
    & skf18("8","7","1","10","2","1","1") = "9"
    & skf18("8","7","1","10","2","2","1") = "9"
    & skf18("8","7","1","10","2","3","1") = "9"
    & skf18("8","7","1","10","2","4","1") = "9"
    & skf18("8","7","1","10","2","5","1") = "9"
    & skf18("8","7","1","10","2","6","1") = "9"
    & skf18("8","7","1","10","2","7","1") = "9"
    & skf18("8","7","1","10","2","8","1") = "9"
    & skf18("8","7","1","10","2","9","1") = "9"
    & skf18("8","7","1","10","2","10","1") = "9"
    & skf18("8","7","1","10","3","1","1") = "9"
    & skf18("8","7","1","10","3","2","1") = "9"
    & skf18("8","7","1","10","3","3","1") = "9"
    & skf18("8","7","1","10","3","4","1") = "9"
    & skf18("8","7","1","10","3","5","1") = "9"
    & skf18("8","7","1","10","3","6","1") = "9"
    & skf18("8","7","1","10","3","7","1") = "9"
    & skf18("8","7","1","10","3","8","1") = "9"
    & skf18("8","7","1","10","3","9","1") = "9"
    & skf18("8","7","1","10","3","10","1") = "9"
    & skf18("8","7","1","10","4","1","1") = "9"
    & skf18("8","7","1","10","4","2","1") = "9"
    & skf18("8","7","1","10","4","3","1") = "9"
    & skf18("8","7","1","10","4","4","1") = "9"
    & skf18("8","7","1","10","4","5","1") = "9"
    & skf18("8","7","1","10","4","6","1") = "9"
    & skf18("8","7","1","10","4","7","1") = "9"
    & skf18("8","7","1","10","4","8","1") = "9"
    & skf18("8","7","1","10","4","9","1") = "9"
    & skf18("8","7","1","10","4","10","1") = "9"
    & skf18("8","7","1","10","5","1","1") = "9"
    & skf18("8","7","1","10","5","2","1") = "9"
    & skf18("8","7","1","10","5","3","1") = "9"
    & skf18("8","7","1","10","5","4","1") = "9"
    & skf18("8","7","1","10","5","5","1") = "9"
    & skf18("8","7","1","10","5","6","1") = "9"
    & skf18("8","7","1","10","5","7","1") = "9"
    & skf18("8","7","1","10","5","8","1") = "9"
    & skf18("8","7","1","10","5","9","1") = "9"
    & skf18("8","7","1","10","5","10","1") = "9"
    & skf18("8","7","1","10","6","1","1") = "9"
    & skf18("8","7","1","10","6","2","1") = "9"
    & skf18("8","7","1","10","6","3","1") = "9"
    & skf18("8","7","1","10","6","4","1") = "9"
    & skf18("8","7","1","10","6","5","1") = "9"
    & skf18("8","7","1","10","6","6","1") = "9"
    & skf18("8","7","1","10","6","7","1") = "9"
    & skf18("8","7","1","10","6","8","1") = "9"
    & skf18("8","7","1","10","6","9","1") = "9"
    & skf18("8","7","1","10","6","10","1") = "9"
    & skf18("8","7","1","10","7","1","1") = "9"
    & skf18("8","7","1","10","7","2","1") = "9"
    & skf18("8","7","1","10","7","3","1") = "9"
    & skf18("8","7","1","10","7","4","1") = "9"
    & skf18("8","7","1","10","7","5","1") = "9"
    & skf18("8","7","1","10","7","6","1") = "9"
    & skf18("8","7","1","10","7","7","1") = "9"
    & skf18("8","7","1","10","7","8","1") = "9"
    & skf18("8","7","1","10","7","9","1") = "9"
    & skf18("8","7","1","10","7","10","1") = "9"
    & skf18("8","7","1","10","8","1","1") = "9"
    & skf18("8","7","1","10","8","2","1") = "9"
    & skf18("8","7","1","10","8","3","1") = "9"
    & skf18("8","7","1","10","8","4","1") = "9"
    & skf18("8","7","1","10","8","5","1") = "9"
    & skf18("8","7","1","10","8","6","1") = "9"
    & skf18("8","7","1","10","8","7","1") = "9"
    & skf18("8","7","1","10","8","8","1") = "9"
    & skf18("8","7","1","10","8","9","1") = "9"
    & skf18("8","7","1","10","8","10","1") = "9"
    & skf18("8","7","1","10","9","1","1") = "9"
    & skf18("8","7","1","10","9","2","1") = "9"
    & skf18("8","7","1","10","9","3","1") = "9"
    & skf18("8","7","1","10","9","4","1") = "9"
    & skf18("8","7","1","10","9","5","1") = "9"
    & skf18("8","7","1","10","9","6","1") = "9"
    & skf18("8","7","1","10","9","7","1") = "9"
    & skf18("8","7","1","10","9","8","1") = "9"
    & skf18("8","7","1","10","9","9","1") = "9"
    & skf18("8","7","1","10","9","10","1") = "9"
    & skf18("8","7","1","10","10","1","1") = "9"
    & skf18("8","7","1","10","10","2","1") = "9"
    & skf18("8","7","1","10","10","3","1") = "9"
    & skf18("8","7","1","10","10","4","1") = "9"
    & skf18("8","7","1","10","10","5","1") = "9"
    & skf18("8","7","1","10","10","6","1") = "9"
    & skf18("8","7","1","10","10","7","1") = "9"
    & skf18("8","7","1","10","10","8","1") = "9"
    & skf18("8","7","1","10","10","9","1") = "9"
    & skf18("8","7","1","10","10","10","1") = "9"
    & skf18("8","7","2","1","1","1","1") = "7"
    & skf18("8","7","2","1","1","2","1") = "7"
    & skf18("8","7","2","1","1","3","1") = "7"
    & skf18("8","7","2","1","1","4","1") = "7"
    & skf18("8","7","2","1","1","5","1") = "7"
    & skf18("8","7","2","1","1","6","1") = "7"
    & skf18("8","7","2","1","1","7","1") = "7"
    & skf18("8","7","2","1","1","8","1") = "7"
    & skf18("8","7","2","1","1","9","1") = "8"
    & skf18("8","7","2","1","1","10","1") = "9"
    & skf18("8","7","2","1","2","1","1") = "7"
    & skf18("8","7","2","1","2","2","1") = "7"
    & skf18("8","7","2","1","2","3","1") = "7"
    & skf18("8","7","2","1","2","4","1") = "7"
    & skf18("8","7","2","1","2","5","1") = "7"
    & skf18("8","7","2","1","2","6","1") = "7"
    & skf18("8","7","2","1","2","7","1") = "7"
    & skf18("8","7","2","1","2","8","1") = "7"
    & skf18("8","7","2","1","2","9","1") = "8"
    & skf18("8","7","2","1","2","10","1") = "9"
    & skf18("8","7","2","1","3","1","1") = "7"
    & skf18("8","7","2","1","3","2","1") = "7"
    & skf18("8","7","2","1","3","3","1") = "7"
    & skf18("8","7","2","1","3","4","1") = "7"
    & skf18("8","7","2","1","3","5","1") = "7"
    & skf18("8","7","2","1","3","6","1") = "7"
    & skf18("8","7","2","1","3","7","1") = "7"
    & skf18("8","7","2","1","3","8","1") = "7"
    & skf18("8","7","2","1","3","9","1") = "8"
    & skf18("8","7","2","1","3","10","1") = "9"
    & skf18("8","7","2","1","4","1","1") = "7"
    & skf18("8","7","2","1","4","2","1") = "7"
    & skf18("8","7","2","1","4","3","1") = "7"
    & skf18("8","7","2","1","4","4","1") = "7"
    & skf18("8","7","2","1","4","5","1") = "7"
    & skf18("8","7","2","1","4","6","1") = "7"
    & skf18("8","7","2","1","4","7","1") = "7"
    & skf18("8","7","2","1","4","8","1") = "7"
    & skf18("8","7","2","1","4","9","1") = "8"
    & skf18("8","7","2","1","4","10","1") = "9"
    & skf18("8","7","2","1","5","1","1") = "7"
    & skf18("8","7","2","1","5","2","1") = "7"
    & skf18("8","7","2","1","5","3","1") = "7"
    & skf18("8","7","2","1","5","4","1") = "7"
    & skf18("8","7","2","1","5","5","1") = "7"
    & skf18("8","7","2","1","5","6","1") = "7"
    & skf18("8","7","2","1","5","7","1") = "7"
    & skf18("8","7","2","1","5","8","1") = "7"
    & skf18("8","7","2","1","5","9","1") = "8"
    & skf18("8","7","2","1","5","10","1") = "9"
    & skf18("8","7","2","1","6","1","1") = "7"
    & skf18("8","7","2","1","6","2","1") = "7"
    & skf18("8","7","2","1","6","3","1") = "7"
    & skf18("8","7","2","1","6","4","1") = "7"
    & skf18("8","7","2","1","6","5","1") = "7"
    & skf18("8","7","2","1","6","6","1") = "7"
    & skf18("8","7","2","1","6","7","1") = "7"
    & skf18("8","7","2","1","6","8","1") = "7"
    & skf18("8","7","2","1","6","9","1") = "8"
    & skf18("8","7","2","1","6","10","1") = "9"
    & skf18("8","7","2","1","7","1","1") = "7"
    & skf18("8","7","2","1","7","2","1") = "7"
    & skf18("8","7","2","1","7","3","1") = "7"
    & skf18("8","7","2","1","7","4","1") = "7"
    & skf18("8","7","2","1","7","5","1") = "7"
    & skf18("8","7","2","1","7","6","1") = "7"
    & skf18("8","7","2","1","7","7","1") = "7"
    & skf18("8","7","2","1","7","8","1") = "7"
    & skf18("8","7","2","1","7","9","1") = "8"
    & skf18("8","7","2","1","7","10","1") = "9"
    & skf18("8","7","2","1","8","1","1") = "7"
    & skf18("8","7","2","1","8","2","1") = "7"
    & skf18("8","7","2","1","8","3","1") = "7"
    & skf18("8","7","2","1","8","4","1") = "7"
    & skf18("8","7","2","1","8","5","1") = "7"
    & skf18("8","7","2","1","8","6","1") = "7"
    & skf18("8","7","2","1","8","7","1") = "7"
    & skf18("8","7","2","1","8","8","1") = "7"
    & skf18("8","7","2","1","8","9","1") = "8"
    & skf18("8","7","2","1","8","10","1") = "9"
    & skf18("8","7","2","1","9","1","1") = "8"
    & skf18("8","7","2","1","9","2","1") = "8"
    & skf18("8","7","2","1","9","3","1") = "8"
    & skf18("8","7","2","1","9","4","1") = "8"
    & skf18("8","7","2","1","9","5","1") = "8"
    & skf18("8","7","2","1","9","6","1") = "8"
    & skf18("8","7","2","1","9","7","1") = "8"
    & skf18("8","7","2","1","9","8","1") = "8"
    & skf18("8","7","2","1","9","9","1") = "8"
    & skf18("8","7","2","1","9","10","1") = "9"
    & skf18("8","7","2","1","10","1","1") = "9"
    & skf18("8","7","2","1","10","2","1") = "9"
    & skf18("8","7","2","1","10","3","1") = "9"
    & skf18("8","7","2","1","10","4","1") = "9"
    & skf18("8","7","2","1","10","5","1") = "9"
    & skf18("8","7","2","1","10","6","1") = "9"
    & skf18("8","7","2","1","10","7","1") = "9"
    & skf18("8","7","2","1","10","8","1") = "9"
    & skf18("8","7","2","1","10","9","1") = "9"
    & skf18("8","7","2","1","10","10","1") = "9"
    & skf18("8","7","2","2","1","1","1") = "7"
    & skf18("8","7","2","2","1","2","1") = "7"
    & skf18("8","7","2","2","1","3","1") = "7"
    & skf18("8","7","2","2","1","4","1") = "7"
    & skf18("8","7","2","2","1","5","1") = "7"
    & skf18("8","7","2","2","1","6","1") = "7"
    & skf18("8","7","2","2","1","7","1") = "7"
    & skf18("8","7","2","2","1","8","1") = "7"
    & skf18("8","7","2","2","1","9","1") = "8"
    & skf18("8","7","2","2","1","10","1") = "9"
    & skf18("8","7","2","2","2","1","1") = "7"
    & skf18("8","7","2","2","2","2","1") = "7"
    & skf18("8","7","2","2","2","3","1") = "7"
    & skf18("8","7","2","2","2","4","1") = "7"
    & skf18("8","7","2","2","2","5","1") = "7"
    & skf18("8","7","2","2","2","6","1") = "7"
    & skf18("8","7","2","2","2","7","1") = "7"
    & skf18("8","7","2","2","2","8","1") = "7"
    & skf18("8","7","2","2","2","9","1") = "8"
    & skf18("8","7","2","2","2","10","1") = "9"
    & skf18("8","7","2","2","3","1","1") = "7"
    & skf18("8","7","2","2","3","2","1") = "7"
    & skf18("8","7","2","2","3","3","1") = "7"
    & skf18("8","7","2","2","3","4","1") = "7"
    & skf18("8","7","2","2","3","5","1") = "7"
    & skf18("8","7","2","2","3","6","1") = "7"
    & skf18("8","7","2","2","3","7","1") = "7"
    & skf18("8","7","2","2","3","8","1") = "7"
    & skf18("8","7","2","2","3","9","1") = "8"
    & skf18("8","7","2","2","3","10","1") = "9"
    & skf18("8","7","2","2","4","1","1") = "7"
    & skf18("8","7","2","2","4","2","1") = "7"
    & skf18("8","7","2","2","4","3","1") = "7"
    & skf18("8","7","2","2","4","4","1") = "7"
    & skf18("8","7","2","2","4","5","1") = "7"
    & skf18("8","7","2","2","4","6","1") = "7"
    & skf18("8","7","2","2","4","7","1") = "7"
    & skf18("8","7","2","2","4","8","1") = "7"
    & skf18("8","7","2","2","4","9","1") = "8"
    & skf18("8","7","2","2","4","10","1") = "9"
    & skf18("8","7","2","2","5","1","1") = "7"
    & skf18("8","7","2","2","5","2","1") = "7"
    & skf18("8","7","2","2","5","3","1") = "7"
    & skf18("8","7","2","2","5","4","1") = "7"
    & skf18("8","7","2","2","5","5","1") = "7"
    & skf18("8","7","2","2","5","6","1") = "7"
    & skf18("8","7","2","2","5","7","1") = "7"
    & skf18("8","7","2","2","5","8","1") = "7"
    & skf18("8","7","2","2","5","9","1") = "8"
    & skf18("8","7","2","2","5","10","1") = "9"
    & skf18("8","7","2","2","6","1","1") = "7"
    & skf18("8","7","2","2","6","2","1") = "7"
    & skf18("8","7","2","2","6","3","1") = "7"
    & skf18("8","7","2","2","6","4","1") = "7"
    & skf18("8","7","2","2","6","5","1") = "7"
    & skf18("8","7","2","2","6","6","1") = "7"
    & skf18("8","7","2","2","6","7","1") = "7"
    & skf18("8","7","2","2","6","8","1") = "7"
    & skf18("8","7","2","2","6","9","1") = "8"
    & skf18("8","7","2","2","6","10","1") = "9"
    & skf18("8","7","2","2","7","1","1") = "7"
    & skf18("8","7","2","2","7","2","1") = "7"
    & skf18("8","7","2","2","7","3","1") = "7"
    & skf18("8","7","2","2","7","4","1") = "7"
    & skf18("8","7","2","2","7","5","1") = "7"
    & skf18("8","7","2","2","7","6","1") = "7"
    & skf18("8","7","2","2","7","7","1") = "7"
    & skf18("8","7","2","2","7","8","1") = "7"
    & skf18("8","7","2","2","7","9","1") = "8"
    & skf18("8","7","2","2","7","10","1") = "9"
    & skf18("8","7","2","2","8","1","1") = "7"
    & skf18("8","7","2","2","8","2","1") = "7"
    & skf18("8","7","2","2","8","3","1") = "7"
    & skf18("8","7","2","2","8","4","1") = "7"
    & skf18("8","7","2","2","8","5","1") = "7"
    & skf18("8","7","2","2","8","6","1") = "7"
    & skf18("8","7","2","2","8","7","1") = "7"
    & skf18("8","7","2","2","8","8","1") = "7"
    & skf18("8","7","2","2","8","9","1") = "8"
    & skf18("8","7","2","2","8","10","1") = "9"
    & skf18("8","7","2","2","9","1","1") = "8"
    & skf18("8","7","2","2","9","2","1") = "8"
    & skf18("8","7","2","2","9","3","1") = "8"
    & skf18("8","7","2","2","9","4","1") = "8"
    & skf18("8","7","2","2","9","5","1") = "8"
    & skf18("8","7","2","2","9","6","1") = "8"
    & skf18("8","7","2","2","9","7","1") = "8"
    & skf18("8","7","2","2","9","8","1") = "8"
    & skf18("8","7","2","2","9","9","1") = "8"
    & skf18("8","7","2","2","9","10","1") = "9"
    & skf18("8","7","2","2","10","1","1") = "9"
    & skf18("8","7","2","2","10","2","1") = "9"
    & skf18("8","7","2","2","10","3","1") = "9"
    & skf18("8","7","2","2","10","4","1") = "9"
    & skf18("8","7","2","2","10","5","1") = "9"
    & skf18("8","7","2","2","10","6","1") = "9"
    & skf18("8","7","2","2","10","7","1") = "9"
    & skf18("8","7","2","2","10","8","1") = "9"
    & skf18("8","7","2","2","10","9","1") = "9"
    & skf18("8","7","2","2","10","10","1") = "9"
    & skf18("8","7","2","3","1","1","1") = "7"
    & skf18("8","7","2","3","1","2","1") = "7"
    & skf18("8","7","2","3","1","3","1") = "7"
    & skf18("8","7","2","3","1","4","1") = "7"
    & skf18("8","7","2","3","1","5","1") = "7"
    & skf18("8","7","2","3","1","6","1") = "7"
    & skf18("8","7","2","3","1","7","1") = "7"
    & skf18("8","7","2","3","1","8","1") = "7"
    & skf18("8","7","2","3","1","9","1") = "8"
    & skf18("8","7","2","3","1","10","1") = "9"
    & skf18("8","7","2","3","2","1","1") = "7"
    & skf18("8","7","2","3","2","2","1") = "7"
    & skf18("8","7","2","3","2","3","1") = "7"
    & skf18("8","7","2","3","2","4","1") = "7"
    & skf18("8","7","2","3","2","5","1") = "7"
    & skf18("8","7","2","3","2","6","1") = "7"
    & skf18("8","7","2","3","2","7","1") = "7"
    & skf18("8","7","2","3","2","8","1") = "7"
    & skf18("8","7","2","3","2","9","1") = "8"
    & skf18("8","7","2","3","2","10","1") = "9"
    & skf18("8","7","2","3","3","1","1") = "7"
    & skf18("8","7","2","3","3","2","1") = "7"
    & skf18("8","7","2","3","3","3","1") = "7"
    & skf18("8","7","2","3","3","4","1") = "7"
    & skf18("8","7","2","3","3","5","1") = "7"
    & skf18("8","7","2","3","3","6","1") = "7"
    & skf18("8","7","2","3","3","7","1") = "7"
    & skf18("8","7","2","3","3","8","1") = "7"
    & skf18("8","7","2","3","3","9","1") = "8"
    & skf18("8","7","2","3","3","10","1") = "9"
    & skf18("8","7","2","3","4","1","1") = "7"
    & skf18("8","7","2","3","4","2","1") = "7"
    & skf18("8","7","2","3","4","3","1") = "7"
    & skf18("8","7","2","3","4","4","1") = "7"
    & skf18("8","7","2","3","4","5","1") = "7"
    & skf18("8","7","2","3","4","6","1") = "7"
    & skf18("8","7","2","3","4","7","1") = "7"
    & skf18("8","7","2","3","4","8","1") = "7"
    & skf18("8","7","2","3","4","9","1") = "8"
    & skf18("8","7","2","3","4","10","1") = "9"
    & skf18("8","7","2","3","5","1","1") = "7"
    & skf18("8","7","2","3","5","2","1") = "7"
    & skf18("8","7","2","3","5","3","1") = "7"
    & skf18("8","7","2","3","5","4","1") = "7"
    & skf18("8","7","2","3","5","5","1") = "7"
    & skf18("8","7","2","3","5","6","1") = "7"
    & skf18("8","7","2","3","5","7","1") = "7"
    & skf18("8","7","2","3","5","8","1") = "7"
    & skf18("8","7","2","3","5","9","1") = "8"
    & skf18("8","7","2","3","5","10","1") = "9"
    & skf18("8","7","2","3","6","1","1") = "7"
    & skf18("8","7","2","3","6","2","1") = "7"
    & skf18("8","7","2","3","6","3","1") = "7"
    & skf18("8","7","2","3","6","4","1") = "7"
    & skf18("8","7","2","3","6","5","1") = "7"
    & skf18("8","7","2","3","6","6","1") = "7"
    & skf18("8","7","2","3","6","7","1") = "7"
    & skf18("8","7","2","3","6","8","1") = "7"
    & skf18("8","7","2","3","6","9","1") = "8"
    & skf18("8","7","2","3","6","10","1") = "9"
    & skf18("8","7","2","3","7","1","1") = "7"
    & skf18("8","7","2","3","7","2","1") = "7"
    & skf18("8","7","2","3","7","3","1") = "7"
    & skf18("8","7","2","3","7","4","1") = "7"
    & skf18("8","7","2","3","7","5","1") = "7"
    & skf18("8","7","2","3","7","6","1") = "7"
    & skf18("8","7","2","3","7","7","1") = "7"
    & skf18("8","7","2","3","7","8","1") = "7"
    & skf18("8","7","2","3","7","9","1") = "8"
    & skf18("8","7","2","3","7","10","1") = "9"
    & skf18("8","7","2","3","8","1","1") = "7"
    & skf18("8","7","2","3","8","2","1") = "7"
    & skf18("8","7","2","3","8","3","1") = "7"
    & skf18("8","7","2","3","8","4","1") = "7"
    & skf18("8","7","2","3","8","5","1") = "7"
    & skf18("8","7","2","3","8","6","1") = "7"
    & skf18("8","7","2","3","8","7","1") = "7"
    & skf18("8","7","2","3","8","8","1") = "7"
    & skf18("8","7","2","3","8","9","1") = "8"
    & skf18("8","7","2","3","8","10","1") = "9"
    & skf18("8","7","2","3","9","1","1") = "8"
    & skf18("8","7","2","3","9","2","1") = "8"
    & skf18("8","7","2","3","9","3","1") = "8"
    & skf18("8","7","2","3","9","4","1") = "8"
    & skf18("8","7","2","3","9","5","1") = "8"
    & skf18("8","7","2","3","9","6","1") = "8"
    & skf18("8","7","2","3","9","7","1") = "8"
    & skf18("8","7","2","3","9","8","1") = "8"
    & skf18("8","7","2","3","9","9","1") = "8"
    & skf18("8","7","2","3","9","10","1") = "9"
    & skf18("8","7","2","3","10","1","1") = "9"
    & skf18("8","7","2","3","10","2","1") = "9"
    & skf18("8","7","2","3","10","3","1") = "9"
    & skf18("8","7","2","3","10","4","1") = "9"
    & skf18("8","7","2","3","10","5","1") = "9"
    & skf18("8","7","2","3","10","6","1") = "9"
    & skf18("8","7","2","3","10","7","1") = "9"
    & skf18("8","7","2","3","10","8","1") = "9"
    & skf18("8","7","2","3","10","9","1") = "9"
    & skf18("8","7","2","3","10","10","1") = "9"
    & skf18("8","7","2","4","1","1","1") = "7"
    & skf18("8","7","2","4","1","2","1") = "7"
    & skf18("8","7","2","4","1","3","1") = "7"
    & skf18("8","7","2","4","1","4","1") = "7"
    & skf18("8","7","2","4","1","5","1") = "7"
    & skf18("8","7","2","4","1","6","1") = "7"
    & skf18("8","7","2","4","1","7","1") = "7"
    & skf18("8","7","2","4","1","8","1") = "7"
    & skf18("8","7","2","4","1","9","1") = "8"
    & skf18("8","7","2","4","1","10","1") = "9"
    & skf18("8","7","2","4","2","1","1") = "7"
    & skf18("8","7","2","4","2","2","1") = "7"
    & skf18("8","7","2","4","2","3","1") = "7"
    & skf18("8","7","2","4","2","4","1") = "7"
    & skf18("8","7","2","4","2","5","1") = "7"
    & skf18("8","7","2","4","2","6","1") = "7"
    & skf18("8","7","2","4","2","7","1") = "7"
    & skf18("8","7","2","4","2","8","1") = "7"
    & skf18("8","7","2","4","2","9","1") = "8"
    & skf18("8","7","2","4","2","10","1") = "9"
    & skf18("8","7","2","4","3","1","1") = "7"
    & skf18("8","7","2","4","3","2","1") = "7"
    & skf18("8","7","2","4","3","3","1") = "7"
    & skf18("8","7","2","4","3","4","1") = "7"
    & skf18("8","7","2","4","3","5","1") = "7"
    & skf18("8","7","2","4","3","6","1") = "7"
    & skf18("8","7","2","4","3","7","1") = "7"
    & skf18("8","7","2","4","3","8","1") = "7"
    & skf18("8","7","2","4","3","9","1") = "8"
    & skf18("8","7","2","4","3","10","1") = "9"
    & skf18("8","7","2","4","4","1","1") = "7"
    & skf18("8","7","2","4","4","2","1") = "7"
    & skf18("8","7","2","4","4","3","1") = "7"
    & skf18("8","7","2","4","4","4","1") = "7"
    & skf18("8","7","2","4","4","5","1") = "7"
    & skf18("8","7","2","4","4","6","1") = "7"
    & skf18("8","7","2","4","4","7","1") = "7"
    & skf18("8","7","2","4","4","8","1") = "7"
    & skf18("8","7","2","4","4","9","1") = "8"
    & skf18("8","7","2","4","4","10","1") = "9"
    & skf18("8","7","2","4","5","1","1") = "7"
    & skf18("8","7","2","4","5","2","1") = "7"
    & skf18("8","7","2","4","5","3","1") = "7"
    & skf18("8","7","2","4","5","4","1") = "7"
    & skf18("8","7","2","4","5","5","1") = "7"
    & skf18("8","7","2","4","5","6","1") = "7"
    & skf18("8","7","2","4","5","7","1") = "7"
    & skf18("8","7","2","4","5","8","1") = "7"
    & skf18("8","7","2","4","5","9","1") = "8"
    & skf18("8","7","2","4","5","10","1") = "9"
    & skf18("8","7","2","4","6","1","1") = "7"
    & skf18("8","7","2","4","6","2","1") = "7"
    & skf18("8","7","2","4","6","3","1") = "7"
    & skf18("8","7","2","4","6","4","1") = "7"
    & skf18("8","7","2","4","6","5","1") = "7"
    & skf18("8","7","2","4","6","6","1") = "7"
    & skf18("8","7","2","4","6","7","1") = "7"
    & skf18("8","7","2","4","6","8","1") = "7"
    & skf18("8","7","2","4","6","9","1") = "8"
    & skf18("8","7","2","4","6","10","1") = "9"
    & skf18("8","7","2","4","7","1","1") = "7"
    & skf18("8","7","2","4","7","2","1") = "7"
    & skf18("8","7","2","4","7","3","1") = "7"
    & skf18("8","7","2","4","7","4","1") = "7"
    & skf18("8","7","2","4","7","5","1") = "7"
    & skf18("8","7","2","4","7","6","1") = "7"
    & skf18("8","7","2","4","7","7","1") = "7"
    & skf18("8","7","2","4","7","8","1") = "7"
    & skf18("8","7","2","4","7","9","1") = "8"
    & skf18("8","7","2","4","7","10","1") = "9"
    & skf18("8","7","2","4","8","1","1") = "7"
    & skf18("8","7","2","4","8","2","1") = "7"
    & skf18("8","7","2","4","8","3","1") = "7"
    & skf18("8","7","2","4","8","4","1") = "7"
    & skf18("8","7","2","4","8","5","1") = "7"
    & skf18("8","7","2","4","8","6","1") = "7"
    & skf18("8","7","2","4","8","7","1") = "7"
    & skf18("8","7","2","4","8","8","1") = "7"
    & skf18("8","7","2","4","8","9","1") = "8"
    & skf18("8","7","2","4","8","10","1") = "9"
    & skf18("8","7","2","4","9","1","1") = "8"
    & skf18("8","7","2","4","9","2","1") = "8"
    & skf18("8","7","2","4","9","3","1") = "8"
    & skf18("8","7","2","4","9","4","1") = "8"
    & skf18("8","7","2","4","9","5","1") = "8"
    & skf18("8","7","2","4","9","6","1") = "8"
    & skf18("8","7","2","4","9","7","1") = "8"
    & skf18("8","7","2","4","9","8","1") = "8"
    & skf18("8","7","2","4","9","9","1") = "8"
    & skf18("8","7","2","4","9","10","1") = "9"
    & skf18("8","7","2","4","10","1","1") = "9"
    & skf18("8","7","2","4","10","2","1") = "9"
    & skf18("8","7","2","4","10","3","1") = "9"
    & skf18("8","7","2","4","10","4","1") = "9"
    & skf18("8","7","2","4","10","5","1") = "9"
    & skf18("8","7","2","4","10","6","1") = "9"
    & skf18("8","7","2","4","10","7","1") = "9"
    & skf18("8","7","2","4","10","8","1") = "9"
    & skf18("8","7","2","4","10","9","1") = "9"
    & skf18("8","7","2","4","10","10","1") = "9"
    & skf18("8","7","2","5","1","1","1") = "7"
    & skf18("8","7","2","5","1","2","1") = "7"
    & skf18("8","7","2","5","1","3","1") = "7"
    & skf18("8","7","2","5","1","4","1") = "7"
    & skf18("8","7","2","5","1","5","1") = "7"
    & skf18("8","7","2","5","1","6","1") = "7"
    & skf18("8","7","2","5","1","7","1") = "7"
    & skf18("8","7","2","5","1","8","1") = "7"
    & skf18("8","7","2","5","1","9","1") = "8"
    & skf18("8","7","2","5","1","10","1") = "9"
    & skf18("8","7","2","5","2","1","1") = "7"
    & skf18("8","7","2","5","2","2","1") = "7"
    & skf18("8","7","2","5","2","3","1") = "7"
    & skf18("8","7","2","5","2","4","1") = "7"
    & skf18("8","7","2","5","2","5","1") = "7"
    & skf18("8","7","2","5","2","6","1") = "7"
    & skf18("8","7","2","5","2","7","1") = "7"
    & skf18("8","7","2","5","2","8","1") = "7"
    & skf18("8","7","2","5","2","9","1") = "8"
    & skf18("8","7","2","5","2","10","1") = "9"
    & skf18("8","7","2","5","3","1","1") = "7"
    & skf18("8","7","2","5","3","2","1") = "7"
    & skf18("8","7","2","5","3","3","1") = "7"
    & skf18("8","7","2","5","3","4","1") = "7"
    & skf18("8","7","2","5","3","5","1") = "7"
    & skf18("8","7","2","5","3","6","1") = "7"
    & skf18("8","7","2","5","3","7","1") = "7"
    & skf18("8","7","2","5","3","8","1") = "7"
    & skf18("8","7","2","5","3","9","1") = "8"
    & skf18("8","7","2","5","3","10","1") = "9"
    & skf18("8","7","2","5","4","1","1") = "7"
    & skf18("8","7","2","5","4","2","1") = "7"
    & skf18("8","7","2","5","4","3","1") = "7"
    & skf18("8","7","2","5","4","4","1") = "7"
    & skf18("8","7","2","5","4","5","1") = "7"
    & skf18("8","7","2","5","4","6","1") = "7"
    & skf18("8","7","2","5","4","7","1") = "7"
    & skf18("8","7","2","5","4","8","1") = "7"
    & skf18("8","7","2","5","4","9","1") = "8"
    & skf18("8","7","2","5","4","10","1") = "9"
    & skf18("8","7","2","5","5","1","1") = "7"
    & skf18("8","7","2","5","5","2","1") = "7"
    & skf18("8","7","2","5","5","3","1") = "7"
    & skf18("8","7","2","5","5","4","1") = "7"
    & skf18("8","7","2","5","5","5","1") = "7"
    & skf18("8","7","2","5","5","6","1") = "7"
    & skf18("8","7","2","5","5","7","1") = "7"
    & skf18("8","7","2","5","5","8","1") = "7"
    & skf18("8","7","2","5","5","9","1") = "8"
    & skf18("8","7","2","5","5","10","1") = "9"
    & skf18("8","7","2","5","6","1","1") = "7"
    & skf18("8","7","2","5","6","2","1") = "7"
    & skf18("8","7","2","5","6","3","1") = "7"
    & skf18("8","7","2","5","6","4","1") = "7"
    & skf18("8","7","2","5","6","5","1") = "7"
    & skf18("8","7","2","5","6","6","1") = "7"
    & skf18("8","7","2","5","6","7","1") = "7"
    & skf18("8","7","2","5","6","8","1") = "7"
    & skf18("8","7","2","5","6","9","1") = "8"
    & skf18("8","7","2","5","6","10","1") = "9"
    & skf18("8","7","2","5","7","1","1") = "7"
    & skf18("8","7","2","5","7","2","1") = "7"
    & skf18("8","7","2","5","7","3","1") = "7"
    & skf18("8","7","2","5","7","4","1") = "7"
    & skf18("8","7","2","5","7","5","1") = "7"
    & skf18("8","7","2","5","7","6","1") = "7"
    & skf18("8","7","2","5","7","7","1") = "7"
    & skf18("8","7","2","5","7","8","1") = "7"
    & skf18("8","7","2","5","7","9","1") = "8"
    & skf18("8","7","2","5","7","10","1") = "9"
    & skf18("8","7","2","5","8","1","1") = "7"
    & skf18("8","7","2","5","8","2","1") = "7"
    & skf18("8","7","2","5","8","3","1") = "7"
    & skf18("8","7","2","5","8","4","1") = "7"
    & skf18("8","7","2","5","8","5","1") = "7"
    & skf18("8","7","2","5","8","6","1") = "7"
    & skf18("8","7","2","5","8","7","1") = "7"
    & skf18("8","7","2","5","8","8","1") = "7"
    & skf18("8","7","2","5","8","9","1") = "8"
    & skf18("8","7","2","5","8","10","1") = "9"
    & skf18("8","7","2","5","9","1","1") = "8"
    & skf18("8","7","2","5","9","2","1") = "8"
    & skf18("8","7","2","5","9","3","1") = "8"
    & skf18("8","7","2","5","9","4","1") = "8"
    & skf18("8","7","2","5","9","5","1") = "8"
    & skf18("8","7","2","5","9","6","1") = "8"
    & skf18("8","7","2","5","9","7","1") = "8"
    & skf18("8","7","2","5","9","8","1") = "8"
    & skf18("8","7","2","5","9","9","1") = "8"
    & skf18("8","7","2","5","9","10","1") = "9"
    & skf18("8","7","2","5","10","1","1") = "9"
    & skf18("8","7","2","5","10","2","1") = "9"
    & skf18("8","7","2","5","10","3","1") = "9"
    & skf18("8","7","2","5","10","4","1") = "9"
    & skf18("8","7","2","5","10","5","1") = "9"
    & skf18("8","7","2","5","10","6","1") = "9"
    & skf18("8","7","2","5","10","7","1") = "9"
    & skf18("8","7","2","5","10","8","1") = "9"
    & skf18("8","7","2","5","10","9","1") = "9"
    & skf18("8","7","2","5","10","10","1") = "9"
    & skf18("8","7","2","6","1","1","1") = "7"
    & skf18("8","7","2","6","1","2","1") = "7"
    & skf18("8","7","2","6","1","3","1") = "7"
    & skf18("8","7","2","6","1","4","1") = "7"
    & skf18("8","7","2","6","1","5","1") = "7"
    & skf18("8","7","2","6","1","6","1") = "7"
    & skf18("8","7","2","6","1","7","1") = "7"
    & skf18("8","7","2","6","1","8","1") = "7"
    & skf18("8","7","2","6","1","9","1") = "8"
    & skf18("8","7","2","6","1","10","1") = "9"
    & skf18("8","7","2","6","2","1","1") = "7"
    & skf18("8","7","2","6","2","2","1") = "7"
    & skf18("8","7","2","6","2","3","1") = "7"
    & skf18("8","7","2","6","2","4","1") = "7"
    & skf18("8","7","2","6","2","5","1") = "7"
    & skf18("8","7","2","6","2","6","1") = "7"
    & skf18("8","7","2","6","2","7","1") = "7"
    & skf18("8","7","2","6","2","8","1") = "7"
    & skf18("8","7","2","6","2","9","1") = "8"
    & skf18("8","7","2","6","2","10","1") = "9"
    & skf18("8","7","2","6","3","1","1") = "7"
    & skf18("8","7","2","6","3","2","1") = "7"
    & skf18("8","7","2","6","3","3","1") = "7"
    & skf18("8","7","2","6","3","4","1") = "7"
    & skf18("8","7","2","6","3","5","1") = "7"
    & skf18("8","7","2","6","3","6","1") = "7"
    & skf18("8","7","2","6","3","7","1") = "7"
    & skf18("8","7","2","6","3","8","1") = "7"
    & skf18("8","7","2","6","3","9","1") = "8"
    & skf18("8","7","2","6","3","10","1") = "9"
    & skf18("8","7","2","6","4","1","1") = "7"
    & skf18("8","7","2","6","4","2","1") = "7"
    & skf18("8","7","2","6","4","3","1") = "7"
    & skf18("8","7","2","6","4","4","1") = "7"
    & skf18("8","7","2","6","4","5","1") = "7"
    & skf18("8","7","2","6","4","6","1") = "7"
    & skf18("8","7","2","6","4","7","1") = "7"
    & skf18("8","7","2","6","4","8","1") = "7"
    & skf18("8","7","2","6","4","9","1") = "8"
    & skf18("8","7","2","6","4","10","1") = "9"
    & skf18("8","7","2","6","5","1","1") = "7"
    & skf18("8","7","2","6","5","2","1") = "7"
    & skf18("8","7","2","6","5","3","1") = "7"
    & skf18("8","7","2","6","5","4","1") = "7"
    & skf18("8","7","2","6","5","5","1") = "7"
    & skf18("8","7","2","6","5","6","1") = "7"
    & skf18("8","7","2","6","5","7","1") = "7"
    & skf18("8","7","2","6","5","8","1") = "7"
    & skf18("8","7","2","6","5","9","1") = "8"
    & skf18("8","7","2","6","5","10","1") = "9"
    & skf18("8","7","2","6","6","1","1") = "7"
    & skf18("8","7","2","6","6","2","1") = "7"
    & skf18("8","7","2","6","6","3","1") = "7"
    & skf18("8","7","2","6","6","4","1") = "7"
    & skf18("8","7","2","6","6","5","1") = "7"
    & skf18("8","7","2","6","6","6","1") = "7"
    & skf18("8","7","2","6","6","7","1") = "7"
    & skf18("8","7","2","6","6","8","1") = "7"
    & skf18("8","7","2","6","6","9","1") = "8"
    & skf18("8","7","2","6","6","10","1") = "9"
    & skf18("8","7","2","6","7","1","1") = "7"
    & skf18("8","7","2","6","7","2","1") = "7"
    & skf18("8","7","2","6","7","3","1") = "7"
    & skf18("8","7","2","6","7","4","1") = "7"
    & skf18("8","7","2","6","7","5","1") = "7"
    & skf18("8","7","2","6","7","6","1") = "7"
    & skf18("8","7","2","6","7","7","1") = "7"
    & skf18("8","7","2","6","7","8","1") = "7"
    & skf18("8","7","2","6","7","9","1") = "8"
    & skf18("8","7","2","6","7","10","1") = "9"
    & skf18("8","7","2","6","8","1","1") = "7"
    & skf18("8","7","2","6","8","2","1") = "7"
    & skf18("8","7","2","6","8","3","1") = "7"
    & skf18("8","7","2","6","8","4","1") = "7"
    & skf18("8","7","2","6","8","5","1") = "7"
    & skf18("8","7","2","6","8","6","1") = "7"
    & skf18("8","7","2","6","8","7","1") = "7"
    & skf18("8","7","2","6","8","8","1") = "7"
    & skf18("8","7","2","6","8","9","1") = "8"
    & skf18("8","7","2","6","8","10","1") = "9"
    & skf18("8","7","2","6","9","1","1") = "8"
    & skf18("8","7","2","6","9","2","1") = "8"
    & skf18("8","7","2","6","9","3","1") = "8"
    & skf18("8","7","2","6","9","4","1") = "8"
    & skf18("8","7","2","6","9","5","1") = "8"
    & skf18("8","7","2","6","9","6","1") = "8"
    & skf18("8","7","2","6","9","7","1") = "8"
    & skf18("8","7","2","6","9","8","1") = "8"
    & skf18("8","7","2","6","9","9","1") = "8"
    & skf18("8","7","2","6","9","10","1") = "9"
    & skf18("8","7","2","6","10","1","1") = "9"
    & skf18("8","7","2","6","10","2","1") = "9"
    & skf18("8","7","2","6","10","3","1") = "9"
    & skf18("8","7","2","6","10","4","1") = "9"
    & skf18("8","7","2","6","10","5","1") = "9"
    & skf18("8","7","2","6","10","6","1") = "9"
    & skf18("8","7","2","6","10","7","1") = "9"
    & skf18("8","7","2","6","10","8","1") = "9"
    & skf18("8","7","2","6","10","9","1") = "9"
    & skf18("8","7","2","6","10","10","1") = "9"
    & skf18("8","7","2","7","1","1","1") = "7"
    & skf18("8","7","2","7","1","2","1") = "7"
    & skf18("8","7","2","7","1","3","1") = "7"
    & skf18("8","7","2","7","1","4","1") = "7"
    & skf18("8","7","2","7","1","5","1") = "7"
    & skf18("8","7","2","7","1","6","1") = "7"
    & skf18("8","7","2","7","1","7","1") = "7"
    & skf18("8","7","2","7","1","8","1") = "7"
    & skf18("8","7","2","7","1","9","1") = "8"
    & skf18("8","7","2","7","1","10","1") = "9"
    & skf18("8","7","2","7","2","1","1") = "7"
    & skf18("8","7","2","7","2","2","1") = "7"
    & skf18("8","7","2","7","2","3","1") = "7"
    & skf18("8","7","2","7","2","4","1") = "7"
    & skf18("8","7","2","7","2","5","1") = "7"
    & skf18("8","7","2","7","2","6","1") = "7"
    & skf18("8","7","2","7","2","7","1") = "7"
    & skf18("8","7","2","7","2","8","1") = "7"
    & skf18("8","7","2","7","2","9","1") = "8"
    & skf18("8","7","2","7","2","10","1") = "9"
    & skf18("8","7","2","7","3","1","1") = "7"
    & skf18("8","7","2","7","3","2","1") = "7"
    & skf18("8","7","2","7","3","3","1") = "7"
    & skf18("8","7","2","7","3","4","1") = "7"
    & skf18("8","7","2","7","3","5","1") = "7"
    & skf18("8","7","2","7","3","6","1") = "7"
    & skf18("8","7","2","7","3","7","1") = "7"
    & skf18("8","7","2","7","3","8","1") = "7"
    & skf18("8","7","2","7","3","9","1") = "8"
    & skf18("8","7","2","7","3","10","1") = "9"
    & skf18("8","7","2","7","4","1","1") = "7"
    & skf18("8","7","2","7","4","2","1") = "7"
    & skf18("8","7","2","7","4","3","1") = "7"
    & skf18("8","7","2","7","4","4","1") = "7"
    & skf18("8","7","2","7","4","5","1") = "7"
    & skf18("8","7","2","7","4","6","1") = "7"
    & skf18("8","7","2","7","4","7","1") = "7"
    & skf18("8","7","2","7","4","8","1") = "7"
    & skf18("8","7","2","7","4","9","1") = "8"
    & skf18("8","7","2","7","4","10","1") = "9"
    & skf18("8","7","2","7","5","1","1") = "7"
    & skf18("8","7","2","7","5","2","1") = "7"
    & skf18("8","7","2","7","5","3","1") = "7"
    & skf18("8","7","2","7","5","4","1") = "7"
    & skf18("8","7","2","7","5","5","1") = "7"
    & skf18("8","7","2","7","5","6","1") = "7"
    & skf18("8","7","2","7","5","7","1") = "7"
    & skf18("8","7","2","7","5","8","1") = "7"
    & skf18("8","7","2","7","5","9","1") = "8"
    & skf18("8","7","2","7","5","10","1") = "9"
    & skf18("8","7","2","7","6","1","1") = "7"
    & skf18("8","7","2","7","6","2","1") = "7"
    & skf18("8","7","2","7","6","3","1") = "7"
    & skf18("8","7","2","7","6","4","1") = "7"
    & skf18("8","7","2","7","6","5","1") = "7"
    & skf18("8","7","2","7","6","6","1") = "7"
    & skf18("8","7","2","7","6","7","1") = "7"
    & skf18("8","7","2","7","6","8","1") = "7"
    & skf18("8","7","2","7","6","9","1") = "8"
    & skf18("8","7","2","7","6","10","1") = "9"
    & skf18("8","7","2","7","7","1","1") = "7"
    & skf18("8","7","2","7","7","2","1") = "7"
    & skf18("8","7","2","7","7","3","1") = "7"
    & skf18("8","7","2","7","7","4","1") = "7"
    & skf18("8","7","2","7","7","5","1") = "7"
    & skf18("8","7","2","7","7","6","1") = "7"
    & skf18("8","7","2","7","7","7","1") = "7"
    & skf18("8","7","2","7","7","8","1") = "7"
    & skf18("8","7","2","7","7","9","1") = "8"
    & skf18("8","7","2","7","7","10","1") = "9"
    & skf18("8","7","2","7","8","1","1") = "7"
    & skf18("8","7","2","7","8","2","1") = "7"
    & skf18("8","7","2","7","8","3","1") = "7"
    & skf18("8","7","2","7","8","4","1") = "7"
    & skf18("8","7","2","7","8","5","1") = "7"
    & skf18("8","7","2","7","8","6","1") = "7"
    & skf18("8","7","2","7","8","7","1") = "7"
    & skf18("8","7","2","7","8","8","1") = "7"
    & skf18("8","7","2","7","8","9","1") = "8"
    & skf18("8","7","2","7","8","10","1") = "9"
    & skf18("8","7","2","7","9","1","1") = "8"
    & skf18("8","7","2","7","9","2","1") = "8"
    & skf18("8","7","2","7","9","3","1") = "8"
    & skf18("8","7","2","7","9","4","1") = "8"
    & skf18("8","7","2","7","9","5","1") = "8"
    & skf18("8","7","2","7","9","6","1") = "8"
    & skf18("8","7","2","7","9","7","1") = "8"
    & skf18("8","7","2","7","9","8","1") = "8"
    & skf18("8","7","2","7","9","9","1") = "8"
    & skf18("8","7","2","7","9","10","1") = "9"
    & skf18("8","7","2","7","10","1","1") = "9"
    & skf18("8","7","2","7","10","2","1") = "9"
    & skf18("8","7","2","7","10","3","1") = "9"
    & skf18("8","7","2","7","10","4","1") = "9"
    & skf18("8","7","2","7","10","5","1") = "9"
    & skf18("8","7","2","7","10","6","1") = "9"
    & skf18("8","7","2","7","10","7","1") = "9"
    & skf18("8","7","2","7","10","8","1") = "9"
    & skf18("8","7","2","7","10","9","1") = "9"
    & skf18("8","7","2","7","10","10","1") = "9"
    & skf18("8","7","2","8","1","1","1") = "7"
    & skf18("8","7","2","8","1","2","1") = "7"
    & skf18("8","7","2","8","1","3","1") = "7"
    & skf18("8","7","2","8","1","4","1") = "7"
    & skf18("8","7","2","8","1","5","1") = "7"
    & skf18("8","7","2","8","1","6","1") = "7"
    & skf18("8","7","2","8","1","7","1") = "7"
    & skf18("8","7","2","8","1","8","1") = "7"
    & skf18("8","7","2","8","1","9","1") = "8"
    & skf18("8","7","2","8","1","10","1") = "9"
    & skf18("8","7","2","8","2","1","1") = "7"
    & skf18("8","7","2","8","2","2","1") = "7"
    & skf18("8","7","2","8","2","3","1") = "7"
    & skf18("8","7","2","8","2","4","1") = "7"
    & skf18("8","7","2","8","2","5","1") = "7"
    & skf18("8","7","2","8","2","6","1") = "7"
    & skf18("8","7","2","8","2","7","1") = "7"
    & skf18("8","7","2","8","2","8","1") = "7"
    & skf18("8","7","2","8","2","9","1") = "8"
    & skf18("8","7","2","8","2","10","1") = "9"
    & skf18("8","7","2","8","3","1","1") = "7"
    & skf18("8","7","2","8","3","2","1") = "7"
    & skf18("8","7","2","8","3","3","1") = "7"
    & skf18("8","7","2","8","3","4","1") = "7"
    & skf18("8","7","2","8","3","5","1") = "7"
    & skf18("8","7","2","8","3","6","1") = "7"
    & skf18("8","7","2","8","3","7","1") = "7"
    & skf18("8","7","2","8","3","8","1") = "7"
    & skf18("8","7","2","8","3","9","1") = "8"
    & skf18("8","7","2","8","3","10","1") = "9"
    & skf18("8","7","2","8","4","1","1") = "7"
    & skf18("8","7","2","8","4","2","1") = "7"
    & skf18("8","7","2","8","4","3","1") = "7"
    & skf18("8","7","2","8","4","4","1") = "7"
    & skf18("8","7","2","8","4","5","1") = "7"
    & skf18("8","7","2","8","4","6","1") = "7"
    & skf18("8","7","2","8","4","7","1") = "7"
    & skf18("8","7","2","8","4","8","1") = "7"
    & skf18("8","7","2","8","4","9","1") = "8"
    & skf18("8","7","2","8","4","10","1") = "9"
    & skf18("8","7","2","8","5","1","1") = "7"
    & skf18("8","7","2","8","5","2","1") = "7"
    & skf18("8","7","2","8","5","3","1") = "7"
    & skf18("8","7","2","8","5","4","1") = "7"
    & skf18("8","7","2","8","5","5","1") = "7"
    & skf18("8","7","2","8","5","6","1") = "7"
    & skf18("8","7","2","8","5","7","1") = "7"
    & skf18("8","7","2","8","5","8","1") = "7"
    & skf18("8","7","2","8","5","9","1") = "8"
    & skf18("8","7","2","8","5","10","1") = "9"
    & skf18("8","7","2","8","6","1","1") = "7"
    & skf18("8","7","2","8","6","2","1") = "7"
    & skf18("8","7","2","8","6","3","1") = "7"
    & skf18("8","7","2","8","6","4","1") = "7"
    & skf18("8","7","2","8","6","5","1") = "7"
    & skf18("8","7","2","8","6","6","1") = "7"
    & skf18("8","7","2","8","6","7","1") = "7"
    & skf18("8","7","2","8","6","8","1") = "7"
    & skf18("8","7","2","8","6","9","1") = "8"
    & skf18("8","7","2","8","6","10","1") = "9"
    & skf18("8","7","2","8","7","1","1") = "7"
    & skf18("8","7","2","8","7","2","1") = "7"
    & skf18("8","7","2","8","7","3","1") = "7"
    & skf18("8","7","2","8","7","4","1") = "7"
    & skf18("8","7","2","8","7","5","1") = "7"
    & skf18("8","7","2","8","7","6","1") = "7"
    & skf18("8","7","2","8","7","7","1") = "7"
    & skf18("8","7","2","8","7","8","1") = "7"
    & skf18("8","7","2","8","7","9","1") = "8"
    & skf18("8","7","2","8","7","10","1") = "9"
    & skf18("8","7","2","8","8","1","1") = "7"
    & skf18("8","7","2","8","8","2","1") = "7"
    & skf18("8","7","2","8","8","3","1") = "7"
    & skf18("8","7","2","8","8","4","1") = "7"
    & skf18("8","7","2","8","8","5","1") = "7"
    & skf18("8","7","2","8","8","6","1") = "7"
    & skf18("8","7","2","8","8","7","1") = "7"
    & skf18("8","7","2","8","8","8","1") = "7"
    & skf18("8","7","2","8","8","9","1") = "8"
    & skf18("8","7","2","8","8","10","1") = "9"
    & skf18("8","7","2","8","9","1","1") = "8"
    & skf18("8","7","2","8","9","2","1") = "8"
    & skf18("8","7","2","8","9","3","1") = "8"
    & skf18("8","7","2","8","9","4","1") = "8"
    & skf18("8","7","2","8","9","5","1") = "8"
    & skf18("8","7","2","8","9","6","1") = "8"
    & skf18("8","7","2","8","9","7","1") = "8"
    & skf18("8","7","2","8","9","8","1") = "8"
    & skf18("8","7","2","8","9","9","1") = "8"
    & skf18("8","7","2","8","9","10","1") = "9"
    & skf18("8","7","2","8","10","1","1") = "9"
    & skf18("8","7","2","8","10","2","1") = "9"
    & skf18("8","7","2","8","10","3","1") = "9"
    & skf18("8","7","2","8","10","4","1") = "9"
    & skf18("8","7","2","8","10","5","1") = "9"
    & skf18("8","7","2","8","10","6","1") = "9"
    & skf18("8","7","2","8","10","7","1") = "9"
    & skf18("8","7","2","8","10","8","1") = "9"
    & skf18("8","7","2","8","10","9","1") = "9"
    & skf18("8","7","2","8","10","10","1") = "9"
    & skf18("8","7","2","9","1","1","1") = "8"
    & skf18("8","7","2","9","1","2","1") = "8"
    & skf18("8","7","2","9","1","3","1") = "8"
    & skf18("8","7","2","9","1","4","1") = "8"
    & skf18("8","7","2","9","1","5","1") = "8"
    & skf18("8","7","2","9","1","6","1") = "8"
    & skf18("8","7","2","9","1","7","1") = "8"
    & skf18("8","7","2","9","1","8","1") = "8"
    & skf18("8","7","2","9","1","9","1") = "8"
    & skf18("8","7","2","9","1","10","1") = "9"
    & skf18("8","7","2","9","2","1","1") = "8"
    & skf18("8","7","2","9","2","2","1") = "8"
    & skf18("8","7","2","9","2","3","1") = "8"
    & skf18("8","7","2","9","2","4","1") = "8"
    & skf18("8","7","2","9","2","5","1") = "8"
    & skf18("8","7","2","9","2","6","1") = "8"
    & skf18("8","7","2","9","2","7","1") = "8"
    & skf18("8","7","2","9","2","8","1") = "8"
    & skf18("8","7","2","9","2","9","1") = "8"
    & skf18("8","7","2","9","2","10","1") = "9"
    & skf18("8","7","2","9","3","1","1") = "8"
    & skf18("8","7","2","9","3","2","1") = "8"
    & skf18("8","7","2","9","3","3","1") = "8"
    & skf18("8","7","2","9","3","4","1") = "8"
    & skf18("8","7","2","9","3","5","1") = "8"
    & skf18("8","7","2","9","3","6","1") = "8"
    & skf18("8","7","2","9","3","7","1") = "8"
    & skf18("8","7","2","9","3","8","1") = "8"
    & skf18("8","7","2","9","3","9","1") = "8"
    & skf18("8","7","2","9","3","10","1") = "9"
    & skf18("8","7","2","9","4","1","1") = "8"
    & skf18("8","7","2","9","4","2","1") = "8"
    & skf18("8","7","2","9","4","3","1") = "8"
    & skf18("8","7","2","9","4","4","1") = "8"
    & skf18("8","7","2","9","4","5","1") = "8"
    & skf18("8","7","2","9","4","6","1") = "8"
    & skf18("8","7","2","9","4","7","1") = "8"
    & skf18("8","7","2","9","4","8","1") = "8"
    & skf18("8","7","2","9","4","9","1") = "8"
    & skf18("8","7","2","9","4","10","1") = "9"
    & skf18("8","7","2","9","5","1","1") = "8"
    & skf18("8","7","2","9","5","2","1") = "8"
    & skf18("8","7","2","9","5","3","1") = "8"
    & skf18("8","7","2","9","5","4","1") = "8"
    & skf18("8","7","2","9","5","5","1") = "8"
    & skf18("8","7","2","9","5","6","1") = "8"
    & skf18("8","7","2","9","5","7","1") = "8"
    & skf18("8","7","2","9","5","8","1") = "8"
    & skf18("8","7","2","9","5","9","1") = "8"
    & skf18("8","7","2","9","5","10","1") = "9"
    & skf18("8","7","2","9","6","1","1") = "8"
    & skf18("8","7","2","9","6","2","1") = "8"
    & skf18("8","7","2","9","6","3","1") = "8"
    & skf18("8","7","2","9","6","4","1") = "8"
    & skf18("8","7","2","9","6","5","1") = "8"
    & skf18("8","7","2","9","6","6","1") = "8"
    & skf18("8","7","2","9","6","7","1") = "8"
    & skf18("8","7","2","9","6","8","1") = "8"
    & skf18("8","7","2","9","6","9","1") = "8"
    & skf18("8","7","2","9","6","10","1") = "9"
    & skf18("8","7","2","9","7","1","1") = "8"
    & skf18("8","7","2","9","7","2","1") = "8"
    & skf18("8","7","2","9","7","3","1") = "8"
    & skf18("8","7","2","9","7","4","1") = "8"
    & skf18("8","7","2","9","7","5","1") = "8"
    & skf18("8","7","2","9","7","6","1") = "8"
    & skf18("8","7","2","9","7","7","1") = "8"
    & skf18("8","7","2","9","7","8","1") = "8"
    & skf18("8","7","2","9","7","9","1") = "8"
    & skf18("8","7","2","9","7","10","1") = "9"
    & skf18("8","7","2","9","8","1","1") = "8"
    & skf18("8","7","2","9","8","2","1") = "8"
    & skf18("8","7","2","9","8","3","1") = "8"
    & skf18("8","7","2","9","8","4","1") = "8"
    & skf18("8","7","2","9","8","5","1") = "8"
    & skf18("8","7","2","9","8","6","1") = "8"
    & skf18("8","7","2","9","8","7","1") = "8"
    & skf18("8","7","2","9","8","8","1") = "8"
    & skf18("8","7","2","9","8","9","1") = "8"
    & skf18("8","7","2","9","8","10","1") = "9"
    & skf18("8","7","2","9","9","1","1") = "8"
    & skf18("8","7","2","9","9","2","1") = "8"
    & skf18("8","7","2","9","9","3","1") = "8"
    & skf18("8","7","2","9","9","4","1") = "8"
    & skf18("8","7","2","9","9","5","1") = "8"
    & skf18("8","7","2","9","9","6","1") = "8"
    & skf18("8","7","2","9","9","7","1") = "8"
    & skf18("8","7","2","9","9","8","1") = "8"
    & skf18("8","7","2","9","9","9","1") = "8"
    & skf18("8","7","2","9","9","10","1") = "9"
    & skf18("8","7","2","9","10","1","1") = "9"
    & skf18("8","7","2","9","10","2","1") = "9"
    & skf18("8","7","2","9","10","3","1") = "9"
    & skf18("8","7","2","9","10","4","1") = "9"
    & skf18("8","7","2","9","10","5","1") = "9"
    & skf18("8","7","2","9","10","6","1") = "9"
    & skf18("8","7","2","9","10","7","1") = "9"
    & skf18("8","7","2","9","10","8","1") = "9"
    & skf18("8","7","2","9","10","9","1") = "9"
    & skf18("8","7","2","9","10","10","1") = "9"
    & skf18("8","7","2","10","1","1","1") = "9"
    & skf18("8","7","2","10","1","2","1") = "9"
    & skf18("8","7","2","10","1","3","1") = "9"
    & skf18("8","7","2","10","1","4","1") = "9"
    & skf18("8","7","2","10","1","5","1") = "9"
    & skf18("8","7","2","10","1","6","1") = "9"
    & skf18("8","7","2","10","1","7","1") = "9"
    & skf18("8","7","2","10","1","8","1") = "9"
    & skf18("8","7","2","10","1","9","1") = "9"
    & skf18("8","7","2","10","1","10","1") = "9"
    & skf18("8","7","2","10","2","1","1") = "9"
    & skf18("8","7","2","10","2","2","1") = "9"
    & skf18("8","7","2","10","2","3","1") = "9"
    & skf18("8","7","2","10","2","4","1") = "9"
    & skf18("8","7","2","10","2","5","1") = "9"
    & skf18("8","7","2","10","2","6","1") = "9"
    & skf18("8","7","2","10","2","7","1") = "9"
    & skf18("8","7","2","10","2","8","1") = "9"
    & skf18("8","7","2","10","2","9","1") = "9"
    & skf18("8","7","2","10","2","10","1") = "9"
    & skf18("8","7","2","10","3","1","1") = "9"
    & skf18("8","7","2","10","3","2","1") = "9"
    & skf18("8","7","2","10","3","3","1") = "9"
    & skf18("8","7","2","10","3","4","1") = "9"
    & skf18("8","7","2","10","3","5","1") = "9"
    & skf18("8","7","2","10","3","6","1") = "9"
    & skf18("8","7","2","10","3","7","1") = "9"
    & skf18("8","7","2","10","3","8","1") = "9"
    & skf18("8","7","2","10","3","9","1") = "9"
    & skf18("8","7","2","10","3","10","1") = "9"
    & skf18("8","7","2","10","4","1","1") = "9"
    & skf18("8","7","2","10","4","2","1") = "9"
    & skf18("8","7","2","10","4","3","1") = "9"
    & skf18("8","7","2","10","4","4","1") = "9"
    & skf18("8","7","2","10","4","5","1") = "9"
    & skf18("8","7","2","10","4","6","1") = "9"
    & skf18("8","7","2","10","4","7","1") = "9"
    & skf18("8","7","2","10","4","8","1") = "9"
    & skf18("8","7","2","10","4","9","1") = "9"
    & skf18("8","7","2","10","4","10","1") = "9"
    & skf18("8","7","2","10","5","1","1") = "9"
    & skf18("8","7","2","10","5","2","1") = "9"
    & skf18("8","7","2","10","5","3","1") = "9"
    & skf18("8","7","2","10","5","4","1") = "9"
    & skf18("8","7","2","10","5","5","1") = "9"
    & skf18("8","7","2","10","5","6","1") = "9"
    & skf18("8","7","2","10","5","7","1") = "9"
    & skf18("8","7","2","10","5","8","1") = "9"
    & skf18("8","7","2","10","5","9","1") = "9"
    & skf18("8","7","2","10","5","10","1") = "9"
    & skf18("8","7","2","10","6","1","1") = "9"
    & skf18("8","7","2","10","6","2","1") = "9"
    & skf18("8","7","2","10","6","3","1") = "9"
    & skf18("8","7","2","10","6","4","1") = "9"
    & skf18("8","7","2","10","6","5","1") = "9"
    & skf18("8","7","2","10","6","6","1") = "9"
    & skf18("8","7","2","10","6","7","1") = "9"
    & skf18("8","7","2","10","6","8","1") = "9"
    & skf18("8","7","2","10","6","9","1") = "9"
    & skf18("8","7","2","10","6","10","1") = "9"
    & skf18("8","7","2","10","7","1","1") = "9"
    & skf18("8","7","2","10","7","2","1") = "9"
    & skf18("8","7","2","10","7","3","1") = "9"
    & skf18("8","7","2","10","7","4","1") = "9"
    & skf18("8","7","2","10","7","5","1") = "9"
    & skf18("8","7","2","10","7","6","1") = "9"
    & skf18("8","7","2","10","7","7","1") = "9"
    & skf18("8","7","2","10","7","8","1") = "9"
    & skf18("8","7","2","10","7","9","1") = "9"
    & skf18("8","7","2","10","7","10","1") = "9"
    & skf18("8","7","2","10","8","1","1") = "9"
    & skf18("8","7","2","10","8","2","1") = "9"
    & skf18("8","7","2","10","8","3","1") = "9"
    & skf18("8","7","2","10","8","4","1") = "9"
    & skf18("8","7","2","10","8","5","1") = "9"
    & skf18("8","7","2","10","8","6","1") = "9"
    & skf18("8","7","2","10","8","7","1") = "9"
    & skf18("8","7","2","10","8","8","1") = "9"
    & skf18("8","7","2","10","8","9","1") = "9"
    & skf18("8","7","2","10","8","10","1") = "9"
    & skf18("8","7","2","10","9","1","1") = "9"
    & skf18("8","7","2","10","9","2","1") = "9"
    & skf18("8","7","2","10","9","3","1") = "9"
    & skf18("8","7","2","10","9","4","1") = "9"
    & skf18("8","7","2","10","9","5","1") = "9"
    & skf18("8","7","2","10","9","6","1") = "9"
    & skf18("8","7","2","10","9","7","1") = "9"
    & skf18("8","7","2","10","9","8","1") = "9"
    & skf18("8","7","2","10","9","9","1") = "9"
    & skf18("8","7","2","10","9","10","1") = "9"
    & skf18("8","7","2","10","10","1","1") = "9"
    & skf18("8","7","2","10","10","2","1") = "9"
    & skf18("8","7","2","10","10","3","1") = "9"
    & skf18("8","7","2","10","10","4","1") = "9"
    & skf18("8","7","2","10","10","5","1") = "9"
    & skf18("8","7","2","10","10","6","1") = "9"
    & skf18("8","7","2","10","10","7","1") = "9"
    & skf18("8","7","2","10","10","8","1") = "9"
    & skf18("8","7","2","10","10","9","1") = "9"
    & skf18("8","7","2","10","10","10","1") = "9"
    & skf18("8","7","3","1","1","1","1") = "7"
    & skf18("8","7","3","1","1","2","1") = "7"
    & skf18("8","7","3","1","1","3","1") = "7"
    & skf18("8","7","3","1","1","4","1") = "7"
    & skf18("8","7","3","1","1","5","1") = "7"
    & skf18("8","7","3","1","1","6","1") = "7"
    & skf18("8","7","3","1","1","7","1") = "7"
    & skf18("8","7","3","1","1","8","1") = "7"
    & skf18("8","7","3","1","1","9","1") = "8"
    & skf18("8","7","3","1","1","10","1") = "9"
    & skf18("8","7","3","1","2","1","1") = "7"
    & skf18("8","7","3","1","2","2","1") = "7"
    & skf18("8","7","3","1","2","3","1") = "7"
    & skf18("8","7","3","1","2","4","1") = "7"
    & skf18("8","7","3","1","2","5","1") = "7"
    & skf18("8","7","3","1","2","6","1") = "7"
    & skf18("8","7","3","1","2","7","1") = "7"
    & skf18("8","7","3","1","2","8","1") = "7"
    & skf18("8","7","3","1","2","9","1") = "8"
    & skf18("8","7","3","1","2","10","1") = "9"
    & skf18("8","7","3","1","3","1","1") = "7"
    & skf18("8","7","3","1","3","2","1") = "7"
    & skf18("8","7","3","1","3","3","1") = "7"
    & skf18("8","7","3","1","3","4","1") = "7"
    & skf18("8","7","3","1","3","5","1") = "7"
    & skf18("8","7","3","1","3","6","1") = "7"
    & skf18("8","7","3","1","3","7","1") = "7"
    & skf18("8","7","3","1","3","8","1") = "7"
    & skf18("8","7","3","1","3","9","1") = "8"
    & skf18("8","7","3","1","3","10","1") = "9"
    & skf18("8","7","3","1","4","1","1") = "7"
    & skf18("8","7","3","1","4","2","1") = "7"
    & skf18("8","7","3","1","4","3","1") = "7"
    & skf18("8","7","3","1","4","4","1") = "7"
    & skf18("8","7","3","1","4","5","1") = "7"
    & skf18("8","7","3","1","4","6","1") = "7"
    & skf18("8","7","3","1","4","7","1") = "7"
    & skf18("8","7","3","1","4","8","1") = "7"
    & skf18("8","7","3","1","4","9","1") = "8"
    & skf18("8","7","3","1","4","10","1") = "9"
    & skf18("8","7","3","1","5","1","1") = "7"
    & skf18("8","7","3","1","5","2","1") = "7"
    & skf18("8","7","3","1","5","3","1") = "7"
    & skf18("8","7","3","1","5","4","1") = "7"
    & skf18("8","7","3","1","5","5","1") = "7"
    & skf18("8","7","3","1","5","6","1") = "7"
    & skf18("8","7","3","1","5","7","1") = "7"
    & skf18("8","7","3","1","5","8","1") = "7"
    & skf18("8","7","3","1","5","9","1") = "8"
    & skf18("8","7","3","1","5","10","1") = "9"
    & skf18("8","7","3","1","6","1","1") = "7"
    & skf18("8","7","3","1","6","2","1") = "7"
    & skf18("8","7","3","1","6","3","1") = "7"
    & skf18("8","7","3","1","6","4","1") = "7"
    & skf18("8","7","3","1","6","5","1") = "7"
    & skf18("8","7","3","1","6","6","1") = "7"
    & skf18("8","7","3","1","6","7","1") = "7"
    & skf18("8","7","3","1","6","8","1") = "7"
    & skf18("8","7","3","1","6","9","1") = "8"
    & skf18("8","7","3","1","6","10","1") = "9"
    & skf18("8","7","3","1","7","1","1") = "7"
    & skf18("8","7","3","1","7","2","1") = "7"
    & skf18("8","7","3","1","7","3","1") = "7"
    & skf18("8","7","3","1","7","4","1") = "7"
    & skf18("8","7","3","1","7","5","1") = "7"
    & skf18("8","7","3","1","7","6","1") = "7"
    & skf18("8","7","3","1","7","7","1") = "7"
    & skf18("8","7","3","1","7","8","1") = "7"
    & skf18("8","7","3","1","7","9","1") = "8"
    & skf18("8","7","3","1","7","10","1") = "9"
    & skf18("8","7","3","1","8","1","1") = "7"
    & skf18("8","7","3","1","8","2","1") = "7"
    & skf18("8","7","3","1","8","3","1") = "7"
    & skf18("8","7","3","1","8","4","1") = "7"
    & skf18("8","7","3","1","8","5","1") = "7"
    & skf18("8","7","3","1","8","6","1") = "7"
    & skf18("8","7","3","1","8","7","1") = "7"
    & skf18("8","7","3","1","8","8","1") = "7"
    & skf18("8","7","3","1","8","9","1") = "8"
    & skf18("8","7","3","1","8","10","1") = "9"
    & skf18("8","7","3","1","9","1","1") = "8"
    & skf18("8","7","3","1","9","2","1") = "8"
    & skf18("8","7","3","1","9","3","1") = "8"
    & skf18("8","7","3","1","9","4","1") = "8"
    & skf18("8","7","3","1","9","5","1") = "8"
    & skf18("8","7","3","1","9","6","1") = "8"
    & skf18("8","7","3","1","9","7","1") = "8"
    & skf18("8","7","3","1","9","8","1") = "8"
    & skf18("8","7","3","1","9","9","1") = "8"
    & skf18("8","7","3","1","9","10","1") = "9"
    & skf18("8","7","3","1","10","1","1") = "9"
    & skf18("8","7","3","1","10","2","1") = "9"
    & skf18("8","7","3","1","10","3","1") = "9"
    & skf18("8","7","3","1","10","4","1") = "9"
    & skf18("8","7","3","1","10","5","1") = "9"
    & skf18("8","7","3","1","10","6","1") = "9"
    & skf18("8","7","3","1","10","7","1") = "9"
    & skf18("8","7","3","1","10","8","1") = "9"
    & skf18("8","7","3","1","10","9","1") = "9"
    & skf18("8","7","3","1","10","10","1") = "9"
    & skf18("8","7","3","2","1","1","1") = "7"
    & skf18("8","7","3","2","1","2","1") = "7"
    & skf18("8","7","3","2","1","3","1") = "7"
    & skf18("8","7","3","2","1","4","1") = "7"
    & skf18("8","7","3","2","1","5","1") = "7"
    & skf18("8","7","3","2","1","6","1") = "7"
    & skf18("8","7","3","2","1","7","1") = "7"
    & skf18("8","7","3","2","1","8","1") = "7"
    & skf18("8","7","3","2","1","9","1") = "8"
    & skf18("8","7","3","2","1","10","1") = "9"
    & skf18("8","7","3","2","2","1","1") = "7"
    & skf18("8","7","3","2","2","2","1") = "7"
    & skf18("8","7","3","2","2","3","1") = "7"
    & skf18("8","7","3","2","2","4","1") = "7"
    & skf18("8","7","3","2","2","5","1") = "7"
    & skf18("8","7","3","2","2","6","1") = "7"
    & skf18("8","7","3","2","2","7","1") = "7"
    & skf18("8","7","3","2","2","8","1") = "7"
    & skf18("8","7","3","2","2","9","1") = "8"
    & skf18("8","7","3","2","2","10","1") = "9"
    & skf18("8","7","3","2","3","1","1") = "7"
    & skf18("8","7","3","2","3","2","1") = "7"
    & skf18("8","7","3","2","3","3","1") = "7"
    & skf18("8","7","3","2","3","4","1") = "7"
    & skf18("8","7","3","2","3","5","1") = "7"
    & skf18("8","7","3","2","3","6","1") = "7"
    & skf18("8","7","3","2","3","7","1") = "7"
    & skf18("8","7","3","2","3","8","1") = "7"
    & skf18("8","7","3","2","3","9","1") = "8"
    & skf18("8","7","3","2","3","10","1") = "9"
    & skf18("8","7","3","2","4","1","1") = "7"
    & skf18("8","7","3","2","4","2","1") = "7"
    & skf18("8","7","3","2","4","3","1") = "7"
    & skf18("8","7","3","2","4","4","1") = "7"
    & skf18("8","7","3","2","4","5","1") = "7"
    & skf18("8","7","3","2","4","6","1") = "7"
    & skf18("8","7","3","2","4","7","1") = "7"
    & skf18("8","7","3","2","4","8","1") = "7"
    & skf18("8","7","3","2","4","9","1") = "8"
    & skf18("8","7","3","2","4","10","1") = "9"
    & skf18("8","7","3","2","5","1","1") = "7"
    & skf18("8","7","3","2","5","2","1") = "7"
    & skf18("8","7","3","2","5","3","1") = "7"
    & skf18("8","7","3","2","5","4","1") = "7"
    & skf18("8","7","3","2","5","5","1") = "7"
    & skf18("8","7","3","2","5","6","1") = "7"
    & skf18("8","7","3","2","5","7","1") = "7"
    & skf18("8","7","3","2","5","8","1") = "7"
    & skf18("8","7","3","2","5","9","1") = "8"
    & skf18("8","7","3","2","5","10","1") = "9"
    & skf18("8","7","3","2","6","1","1") = "7"
    & skf18("8","7","3","2","6","2","1") = "7"
    & skf18("8","7","3","2","6","3","1") = "7"
    & skf18("8","7","3","2","6","4","1") = "7"
    & skf18("8","7","3","2","6","5","1") = "7"
    & skf18("8","7","3","2","6","6","1") = "7"
    & skf18("8","7","3","2","6","7","1") = "7"
    & skf18("8","7","3","2","6","8","1") = "7"
    & skf18("8","7","3","2","6","9","1") = "8"
    & skf18("8","7","3","2","6","10","1") = "9"
    & skf18("8","7","3","2","7","1","1") = "7"
    & skf18("8","7","3","2","7","2","1") = "7"
    & skf18("8","7","3","2","7","3","1") = "7"
    & skf18("8","7","3","2","7","4","1") = "7"
    & skf18("8","7","3","2","7","5","1") = "7"
    & skf18("8","7","3","2","7","6","1") = "7"
    & skf18("8","7","3","2","7","7","1") = "7"
    & skf18("8","7","3","2","7","8","1") = "7"
    & skf18("8","7","3","2","7","9","1") = "8"
    & skf18("8","7","3","2","7","10","1") = "9"
    & skf18("8","7","3","2","8","1","1") = "7"
    & skf18("8","7","3","2","8","2","1") = "7"
    & skf18("8","7","3","2","8","3","1") = "7"
    & skf18("8","7","3","2","8","4","1") = "7"
    & skf18("8","7","3","2","8","5","1") = "7"
    & skf18("8","7","3","2","8","6","1") = "7"
    & skf18("8","7","3","2","8","7","1") = "7"
    & skf18("8","7","3","2","8","8","1") = "7"
    & skf18("8","7","3","2","8","9","1") = "8"
    & skf18("8","7","3","2","8","10","1") = "9"
    & skf18("8","7","3","2","9","1","1") = "8"
    & skf18("8","7","3","2","9","2","1") = "8"
    & skf18("8","7","3","2","9","3","1") = "8"
    & skf18("8","7","3","2","9","4","1") = "8"
    & skf18("8","7","3","2","9","5","1") = "8"
    & skf18("8","7","3","2","9","6","1") = "8"
    & skf18("8","7","3","2","9","7","1") = "8"
    & skf18("8","7","3","2","9","8","1") = "8"
    & skf18("8","7","3","2","9","9","1") = "8"
    & skf18("8","7","3","2","9","10","1") = "9"
    & skf18("8","7","3","2","10","1","1") = "9"
    & skf18("8","7","3","2","10","2","1") = "9"
    & skf18("8","7","3","2","10","3","1") = "9"
    & skf18("8","7","3","2","10","4","1") = "9"
    & skf18("8","7","3","2","10","5","1") = "9"
    & skf18("8","7","3","2","10","6","1") = "9"
    & skf18("8","7","3","2","10","7","1") = "9"
    & skf18("8","7","3","2","10","8","1") = "9"
    & skf18("8","7","3","2","10","9","1") = "9"
    & skf18("8","7","3","2","10","10","1") = "9"
    & skf18("8","7","3","3","1","1","1") = "7"
    & skf18("8","7","3","3","1","2","1") = "7"
    & skf18("8","7","3","3","1","3","1") = "7"
    & skf18("8","7","3","3","1","4","1") = "7"
    & skf18("8","7","3","3","1","5","1") = "7"
    & skf18("8","7","3","3","1","6","1") = "7"
    & skf18("8","7","3","3","1","7","1") = "7"
    & skf18("8","7","3","3","1","8","1") = "7"
    & skf18("8","7","3","3","1","9","1") = "8"
    & skf18("8","7","3","3","1","10","1") = "9"
    & skf18("8","7","3","3","2","1","1") = "7"
    & skf18("8","7","3","3","2","2","1") = "7"
    & skf18("8","7","3","3","2","3","1") = "7"
    & skf18("8","7","3","3","2","4","1") = "7"
    & skf18("8","7","3","3","2","5","1") = "7"
    & skf18("8","7","3","3","2","6","1") = "7"
    & skf18("8","7","3","3","2","7","1") = "7"
    & skf18("8","7","3","3","2","8","1") = "7"
    & skf18("8","7","3","3","2","9","1") = "8"
    & skf18("8","7","3","3","2","10","1") = "9"
    & skf18("8","7","3","3","3","1","1") = "7"
    & skf18("8","7","3","3","3","2","1") = "7"
    & skf18("8","7","3","3","3","3","1") = "7"
    & skf18("8","7","3","3","3","4","1") = "7"
    & skf18("8","7","3","3","3","5","1") = "7"
    & skf18("8","7","3","3","3","6","1") = "7"
    & skf18("8","7","3","3","3","7","1") = "7"
    & skf18("8","7","3","3","3","8","1") = "7"
    & skf18("8","7","3","3","3","9","1") = "8"
    & skf18("8","7","3","3","3","10","1") = "9"
    & skf18("8","7","3","3","4","1","1") = "7"
    & skf18("8","7","3","3","4","2","1") = "7"
    & skf18("8","7","3","3","4","3","1") = "7"
    & skf18("8","7","3","3","4","4","1") = "7"
    & skf18("8","7","3","3","4","5","1") = "7"
    & skf18("8","7","3","3","4","6","1") = "7"
    & skf18("8","7","3","3","4","7","1") = "7"
    & skf18("8","7","3","3","4","8","1") = "7"
    & skf18("8","7","3","3","4","9","1") = "8"
    & skf18("8","7","3","3","4","10","1") = "9"
    & skf18("8","7","3","3","5","1","1") = "7"
    & skf18("8","7","3","3","5","2","1") = "7"
    & skf18("8","7","3","3","5","3","1") = "7"
    & skf18("8","7","3","3","5","4","1") = "7"
    & skf18("8","7","3","3","5","5","1") = "7"
    & skf18("8","7","3","3","5","6","1") = "7"
    & skf18("8","7","3","3","5","7","1") = "7"
    & skf18("8","7","3","3","5","8","1") = "7"
    & skf18("8","7","3","3","5","9","1") = "8"
    & skf18("8","7","3","3","5","10","1") = "9"
    & skf18("8","7","3","3","6","1","1") = "7"
    & skf18("8","7","3","3","6","2","1") = "7"
    & skf18("8","7","3","3","6","3","1") = "7"
    & skf18("8","7","3","3","6","4","1") = "7"
    & skf18("8","7","3","3","6","5","1") = "7"
    & skf18("8","7","3","3","6","6","1") = "7"
    & skf18("8","7","3","3","6","7","1") = "7"
    & skf18("8","7","3","3","6","8","1") = "7"
    & skf18("8","7","3","3","6","9","1") = "8"
    & skf18("8","7","3","3","6","10","1") = "9"
    & skf18("8","7","3","3","7","1","1") = "7"
    & skf18("8","7","3","3","7","2","1") = "7"
    & skf18("8","7","3","3","7","3","1") = "7"
    & skf18("8","7","3","3","7","4","1") = "7"
    & skf18("8","7","3","3","7","5","1") = "7"
    & skf18("8","7","3","3","7","6","1") = "7"
    & skf18("8","7","3","3","7","7","1") = "7"
    & skf18("8","7","3","3","7","8","1") = "7"
    & skf18("8","7","3","3","7","9","1") = "8"
    & skf18("8","7","3","3","7","10","1") = "9"
    & skf18("8","7","3","3","8","1","1") = "7"
    & skf18("8","7","3","3","8","2","1") = "7"
    & skf18("8","7","3","3","8","3","1") = "7"
    & skf18("8","7","3","3","8","4","1") = "7"
    & skf18("8","7","3","3","8","5","1") = "7"
    & skf18("8","7","3","3","8","6","1") = "7"
    & skf18("8","7","3","3","8","7","1") = "7"
    & skf18("8","7","3","3","8","8","1") = "7"
    & skf18("8","7","3","3","8","9","1") = "8"
    & skf18("8","7","3","3","8","10","1") = "9"
    & skf18("8","7","3","3","9","1","1") = "8"
    & skf18("8","7","3","3","9","2","1") = "8"
    & skf18("8","7","3","3","9","3","1") = "8"
    & skf18("8","7","3","3","9","4","1") = "8"
    & skf18("8","7","3","3","9","5","1") = "8"
    & skf18("8","7","3","3","9","6","1") = "8"
    & skf18("8","7","3","3","9","7","1") = "8"
    & skf18("8","7","3","3","9","8","1") = "8"
    & skf18("8","7","3","3","9","9","1") = "8"
    & skf18("8","7","3","3","9","10","1") = "9"
    & skf18("8","7","3","3","10","1","1") = "9"
    & skf18("8","7","3","3","10","2","1") = "9"
    & skf18("8","7","3","3","10","3","1") = "9"
    & skf18("8","7","3","3","10","4","1") = "9"
    & skf18("8","7","3","3","10","5","1") = "9"
    & skf18("8","7","3","3","10","6","1") = "9"
    & skf18("8","7","3","3","10","7","1") = "9"
    & skf18("8","7","3","3","10","8","1") = "9"
    & skf18("8","7","3","3","10","9","1") = "9"
    & skf18("8","7","3","3","10","10","1") = "9"
    & skf18("8","7","3","4","1","1","1") = "7"
    & skf18("8","7","3","4","1","2","1") = "7"
    & skf18("8","7","3","4","1","3","1") = "7"
    & skf18("8","7","3","4","1","4","1") = "7"
    & skf18("8","7","3","4","1","5","1") = "7"
    & skf18("8","7","3","4","1","6","1") = "7"
    & skf18("8","7","3","4","1","7","1") = "7"
    & skf18("8","7","3","4","1","8","1") = "7"
    & skf18("8","7","3","4","1","9","1") = "8"
    & skf18("8","7","3","4","1","10","1") = "9"
    & skf18("8","7","3","4","2","1","1") = "7"
    & skf18("8","7","3","4","2","2","1") = "7"
    & skf18("8","7","3","4","2","3","1") = "7"
    & skf18("8","7","3","4","2","4","1") = "7"
    & skf18("8","7","3","4","2","5","1") = "7"
    & skf18("8","7","3","4","2","6","1") = "7"
    & skf18("8","7","3","4","2","7","1") = "7"
    & skf18("8","7","3","4","2","8","1") = "7"
    & skf18("8","7","3","4","2","9","1") = "8"
    & skf18("8","7","3","4","2","10","1") = "9"
    & skf18("8","7","3","4","3","1","1") = "7"
    & skf18("8","7","3","4","3","2","1") = "7"
    & skf18("8","7","3","4","3","3","1") = "7"
    & skf18("8","7","3","4","3","4","1") = "7"
    & skf18("8","7","3","4","3","5","1") = "7"
    & skf18("8","7","3","4","3","6","1") = "7"
    & skf18("8","7","3","4","3","7","1") = "7"
    & skf18("8","7","3","4","3","8","1") = "7"
    & skf18("8","7","3","4","3","9","1") = "8"
    & skf18("8","7","3","4","3","10","1") = "9"
    & skf18("8","7","3","4","4","1","1") = "7"
    & skf18("8","7","3","4","4","2","1") = "7"
    & skf18("8","7","3","4","4","3","1") = "7"
    & skf18("8","7","3","4","4","4","1") = "7"
    & skf18("8","7","3","4","4","5","1") = "7"
    & skf18("8","7","3","4","4","6","1") = "7"
    & skf18("8","7","3","4","4","7","1") = "7"
    & skf18("8","7","3","4","4","8","1") = "7"
    & skf18("8","7","3","4","4","9","1") = "8"
    & skf18("8","7","3","4","4","10","1") = "9"
    & skf18("8","7","3","4","5","1","1") = "7"
    & skf18("8","7","3","4","5","2","1") = "7"
    & skf18("8","7","3","4","5","3","1") = "7"
    & skf18("8","7","3","4","5","4","1") = "7"
    & skf18("8","7","3","4","5","5","1") = "7"
    & skf18("8","7","3","4","5","6","1") = "7"
    & skf18("8","7","3","4","5","7","1") = "7"
    & skf18("8","7","3","4","5","8","1") = "7"
    & skf18("8","7","3","4","5","9","1") = "8"
    & skf18("8","7","3","4","5","10","1") = "9"
    & skf18("8","7","3","4","6","1","1") = "7"
    & skf18("8","7","3","4","6","2","1") = "7"
    & skf18("8","7","3","4","6","3","1") = "7"
    & skf18("8","7","3","4","6","4","1") = "7"
    & skf18("8","7","3","4","6","5","1") = "7"
    & skf18("8","7","3","4","6","6","1") = "7"
    & skf18("8","7","3","4","6","7","1") = "7"
    & skf18("8","7","3","4","6","8","1") = "7"
    & skf18("8","7","3","4","6","9","1") = "8"
    & skf18("8","7","3","4","6","10","1") = "9"
    & skf18("8","7","3","4","7","1","1") = "7"
    & skf18("8","7","3","4","7","2","1") = "7"
    & skf18("8","7","3","4","7","3","1") = "7"
    & skf18("8","7","3","4","7","4","1") = "7"
    & skf18("8","7","3","4","7","5","1") = "7"
    & skf18("8","7","3","4","7","6","1") = "7"
    & skf18("8","7","3","4","7","7","1") = "7"
    & skf18("8","7","3","4","7","8","1") = "7"
    & skf18("8","7","3","4","7","9","1") = "8"
    & skf18("8","7","3","4","7","10","1") = "9"
    & skf18("8","7","3","4","8","1","1") = "7"
    & skf18("8","7","3","4","8","2","1") = "7"
    & skf18("8","7","3","4","8","3","1") = "7"
    & skf18("8","7","3","4","8","4","1") = "7"
    & skf18("8","7","3","4","8","5","1") = "7"
    & skf18("8","7","3","4","8","6","1") = "7"
    & skf18("8","7","3","4","8","7","1") = "7"
    & skf18("8","7","3","4","8","8","1") = "7"
    & skf18("8","7","3","4","8","9","1") = "8"
    & skf18("8","7","3","4","8","10","1") = "9"
    & skf18("8","7","3","4","9","1","1") = "8"
    & skf18("8","7","3","4","9","2","1") = "8"
    & skf18("8","7","3","4","9","3","1") = "8"
    & skf18("8","7","3","4","9","4","1") = "8"
    & skf18("8","7","3","4","9","5","1") = "8"
    & skf18("8","7","3","4","9","6","1") = "8"
    & skf18("8","7","3","4","9","7","1") = "8"
    & skf18("8","7","3","4","9","8","1") = "8"
    & skf18("8","7","3","4","9","9","1") = "8"
    & skf18("8","7","3","4","9","10","1") = "9"
    & skf18("8","7","3","4","10","1","1") = "9"
    & skf18("8","7","3","4","10","2","1") = "9"
    & skf18("8","7","3","4","10","3","1") = "9"
    & skf18("8","7","3","4","10","4","1") = "9"
    & skf18("8","7","3","4","10","5","1") = "9"
    & skf18("8","7","3","4","10","6","1") = "9"
    & skf18("8","7","3","4","10","7","1") = "9"
    & skf18("8","7","3","4","10","8","1") = "9"
    & skf18("8","7","3","4","10","9","1") = "9"
    & skf18("8","7","3","4","10","10","1") = "9"
    & skf18("8","7","3","5","1","1","1") = "7"
    & skf18("8","7","3","5","1","2","1") = "7"
    & skf18("8","7","3","5","1","3","1") = "7"
    & skf18("8","7","3","5","1","4","1") = "7"
    & skf18("8","7","3","5","1","5","1") = "7"
    & skf18("8","7","3","5","1","6","1") = "7"
    & skf18("8","7","3","5","1","7","1") = "7"
    & skf18("8","7","3","5","1","8","1") = "7"
    & skf18("8","7","3","5","1","9","1") = "8"
    & skf18("8","7","3","5","1","10","1") = "9"
    & skf18("8","7","3","5","2","1","1") = "7"
    & skf18("8","7","3","5","2","2","1") = "7"
    & skf18("8","7","3","5","2","3","1") = "7"
    & skf18("8","7","3","5","2","4","1") = "7"
    & skf18("8","7","3","5","2","5","1") = "7"
    & skf18("8","7","3","5","2","6","1") = "7"
    & skf18("8","7","3","5","2","7","1") = "7"
    & skf18("8","7","3","5","2","8","1") = "7"
    & skf18("8","7","3","5","2","9","1") = "8"
    & skf18("8","7","3","5","2","10","1") = "9"
    & skf18("8","7","3","5","3","1","1") = "7"
    & skf18("8","7","3","5","3","2","1") = "7"
    & skf18("8","7","3","5","3","3","1") = "7"
    & skf18("8","7","3","5","3","4","1") = "7"
    & skf18("8","7","3","5","3","5","1") = "7"
    & skf18("8","7","3","5","3","6","1") = "7"
    & skf18("8","7","3","5","3","7","1") = "7"
    & skf18("8","7","3","5","3","8","1") = "7"
    & skf18("8","7","3","5","3","9","1") = "8"
    & skf18("8","7","3","5","3","10","1") = "9"
    & skf18("8","7","3","5","4","1","1") = "7"
    & skf18("8","7","3","5","4","2","1") = "7"
    & skf18("8","7","3","5","4","3","1") = "7"
    & skf18("8","7","3","5","4","4","1") = "7"
    & skf18("8","7","3","5","4","5","1") = "7"
    & skf18("8","7","3","5","4","6","1") = "7"
    & skf18("8","7","3","5","4","7","1") = "7"
    & skf18("8","7","3","5","4","8","1") = "7"
    & skf18("8","7","3","5","4","9","1") = "8"
    & skf18("8","7","3","5","4","10","1") = "9"
    & skf18("8","7","3","5","5","1","1") = "7"
    & skf18("8","7","3","5","5","2","1") = "7"
    & skf18("8","7","3","5","5","3","1") = "7"
    & skf18("8","7","3","5","5","4","1") = "7"
    & skf18("8","7","3","5","5","5","1") = "7"
    & skf18("8","7","3","5","5","6","1") = "7"
    & skf18("8","7","3","5","5","7","1") = "7"
    & skf18("8","7","3","5","5","8","1") = "7"
    & skf18("8","7","3","5","5","9","1") = "8"
    & skf18("8","7","3","5","5","10","1") = "9"
    & skf18("8","7","3","5","6","1","1") = "7"
    & skf18("8","7","3","5","6","2","1") = "7"
    & skf18("8","7","3","5","6","3","1") = "7"
    & skf18("8","7","3","5","6","4","1") = "7"
    & skf18("8","7","3","5","6","5","1") = "7"
    & skf18("8","7","3","5","6","6","1") = "7"
    & skf18("8","7","3","5","6","7","1") = "7"
    & skf18("8","7","3","5","6","8","1") = "7"
    & skf18("8","7","3","5","6","9","1") = "8"
    & skf18("8","7","3","5","6","10","1") = "9"
    & skf18("8","7","3","5","7","1","1") = "7"
    & skf18("8","7","3","5","7","2","1") = "7"
    & skf18("8","7","3","5","7","3","1") = "7"
    & skf18("8","7","3","5","7","4","1") = "7"
    & skf18("8","7","3","5","7","5","1") = "7"
    & skf18("8","7","3","5","7","6","1") = "7"
    & skf18("8","7","3","5","7","7","1") = "7"
    & skf18("8","7","3","5","7","8","1") = "7"
    & skf18("8","7","3","5","7","9","1") = "8"
    & skf18("8","7","3","5","7","10","1") = "9"
    & skf18("8","7","3","5","8","1","1") = "7"
    & skf18("8","7","3","5","8","2","1") = "7"
    & skf18("8","7","3","5","8","3","1") = "7"
    & skf18("8","7","3","5","8","4","1") = "7"
    & skf18("8","7","3","5","8","5","1") = "7"
    & skf18("8","7","3","5","8","6","1") = "7"
    & skf18("8","7","3","5","8","7","1") = "7"
    & skf18("8","7","3","5","8","8","1") = "7"
    & skf18("8","7","3","5","8","9","1") = "8"
    & skf18("8","7","3","5","8","10","1") = "9"
    & skf18("8","7","3","5","9","1","1") = "8"
    & skf18("8","7","3","5","9","2","1") = "8"
    & skf18("8","7","3","5","9","3","1") = "8"
    & skf18("8","7","3","5","9","4","1") = "8"
    & skf18("8","7","3","5","9","5","1") = "8"
    & skf18("8","7","3","5","9","6","1") = "8"
    & skf18("8","7","3","5","9","7","1") = "8"
    & skf18("8","7","3","5","9","8","1") = "8"
    & skf18("8","7","3","5","9","9","1") = "8"
    & skf18("8","7","3","5","9","10","1") = "9"
    & skf18("8","7","3","5","10","1","1") = "9"
    & skf18("8","7","3","5","10","2","1") = "9"
    & skf18("8","7","3","5","10","3","1") = "9"
    & skf18("8","7","3","5","10","4","1") = "9"
    & skf18("8","7","3","5","10","5","1") = "9"
    & skf18("8","7","3","5","10","6","1") = "9"
    & skf18("8","7","3","5","10","7","1") = "9"
    & skf18("8","7","3","5","10","8","1") = "9"
    & skf18("8","7","3","5","10","9","1") = "9"
    & skf18("8","7","3","5","10","10","1") = "9"
    & skf18("8","7","3","6","1","1","1") = "7"
    & skf18("8","7","3","6","1","2","1") = "7"
    & skf18("8","7","3","6","1","3","1") = "7"
    & skf18("8","7","3","6","1","4","1") = "7"
    & skf18("8","7","3","6","1","5","1") = "7"
    & skf18("8","7","3","6","1","6","1") = "7"
    & skf18("8","7","3","6","1","7","1") = "7"
    & skf18("8","7","3","6","1","8","1") = "7"
    & skf18("8","7","3","6","1","9","1") = "8"
    & skf18("8","7","3","6","1","10","1") = "9"
    & skf18("8","7","3","6","2","1","1") = "7"
    & skf18("8","7","3","6","2","2","1") = "7"
    & skf18("8","7","3","6","2","3","1") = "7"
    & skf18("8","7","3","6","2","4","1") = "7"
    & skf18("8","7","3","6","2","5","1") = "7"
    & skf18("8","7","3","6","2","6","1") = "7"
    & skf18("8","7","3","6","2","7","1") = "7"
    & skf18("8","7","3","6","2","8","1") = "7"
    & skf18("8","7","3","6","2","9","1") = "8"
    & skf18("8","7","3","6","2","10","1") = "9"
    & skf18("8","7","3","6","3","1","1") = "7"
    & skf18("8","7","3","6","3","2","1") = "7"
    & skf18("8","7","3","6","3","3","1") = "7"
    & skf18("8","7","3","6","3","4","1") = "7"
    & skf18("8","7","3","6","3","5","1") = "7"
    & skf18("8","7","3","6","3","6","1") = "7"
    & skf18("8","7","3","6","3","7","1") = "7"
    & skf18("8","7","3","6","3","8","1") = "7"
    & skf18("8","7","3","6","3","9","1") = "8"
    & skf18("8","7","3","6","3","10","1") = "9"
    & skf18("8","7","3","6","4","1","1") = "7"
    & skf18("8","7","3","6","4","2","1") = "7"
    & skf18("8","7","3","6","4","3","1") = "7"
    & skf18("8","7","3","6","4","4","1") = "7"
    & skf18("8","7","3","6","4","5","1") = "7"
    & skf18("8","7","3","6","4","6","1") = "7"
    & skf18("8","7","3","6","4","7","1") = "7"
    & skf18("8","7","3","6","4","8","1") = "7"
    & skf18("8","7","3","6","4","9","1") = "8"
    & skf18("8","7","3","6","4","10","1") = "9"
    & skf18("8","7","3","6","5","1","1") = "7"
    & skf18("8","7","3","6","5","2","1") = "7"
    & skf18("8","7","3","6","5","3","1") = "7"
    & skf18("8","7","3","6","5","4","1") = "7"
    & skf18("8","7","3","6","5","5","1") = "7"
    & skf18("8","7","3","6","5","6","1") = "7"
    & skf18("8","7","3","6","5","7","1") = "7"
    & skf18("8","7","3","6","5","8","1") = "7"
    & skf18("8","7","3","6","5","9","1") = "8"
    & skf18("8","7","3","6","5","10","1") = "9"
    & skf18("8","7","3","6","6","1","1") = "7"
    & skf18("8","7","3","6","6","2","1") = "7"
    & skf18("8","7","3","6","6","3","1") = "7"
    & skf18("8","7","3","6","6","4","1") = "7"
    & skf18("8","7","3","6","6","5","1") = "7"
    & skf18("8","7","3","6","6","6","1") = "7"
    & skf18("8","7","3","6","6","7","1") = "7"
    & skf18("8","7","3","6","6","8","1") = "7"
    & skf18("8","7","3","6","6","9","1") = "8"
    & skf18("8","7","3","6","6","10","1") = "9"
    & skf18("8","7","3","6","7","1","1") = "7"
    & skf18("8","7","3","6","7","2","1") = "7"
    & skf18("8","7","3","6","7","3","1") = "7"
    & skf18("8","7","3","6","7","4","1") = "7"
    & skf18("8","7","3","6","7","5","1") = "7"
    & skf18("8","7","3","6","7","6","1") = "7"
    & skf18("8","7","3","6","7","7","1") = "7"
    & skf18("8","7","3","6","7","8","1") = "7"
    & skf18("8","7","3","6","7","9","1") = "8"
    & skf18("8","7","3","6","7","10","1") = "9"
    & skf18("8","7","3","6","8","1","1") = "7"
    & skf18("8","7","3","6","8","2","1") = "7"
    & skf18("8","7","3","6","8","3","1") = "7"
    & skf18("8","7","3","6","8","4","1") = "7"
    & skf18("8","7","3","6","8","5","1") = "7"
    & skf18("8","7","3","6","8","6","1") = "7"
    & skf18("8","7","3","6","8","7","1") = "7"
    & skf18("8","7","3","6","8","8","1") = "7"
    & skf18("8","7","3","6","8","9","1") = "8"
    & skf18("8","7","3","6","8","10","1") = "9"
    & skf18("8","7","3","6","9","1","1") = "8"
    & skf18("8","7","3","6","9","2","1") = "8"
    & skf18("8","7","3","6","9","3","1") = "8"
    & skf18("8","7","3","6","9","4","1") = "8"
    & skf18("8","7","3","6","9","5","1") = "8"
    & skf18("8","7","3","6","9","6","1") = "8"
    & skf18("8","7","3","6","9","7","1") = "8"
    & skf18("8","7","3","6","9","8","1") = "8"
    & skf18("8","7","3","6","9","9","1") = "8"
    & skf18("8","7","3","6","9","10","1") = "9"
    & skf18("8","7","3","6","10","1","1") = "9"
    & skf18("8","7","3","6","10","2","1") = "9"
    & skf18("8","7","3","6","10","3","1") = "9"
    & skf18("8","7","3","6","10","4","1") = "9"
    & skf18("8","7","3","6","10","5","1") = "9"
    & skf18("8","7","3","6","10","6","1") = "9"
    & skf18("8","7","3","6","10","7","1") = "9"
    & skf18("8","7","3","6","10","8","1") = "9"
    & skf18("8","7","3","6","10","9","1") = "9"
    & skf18("8","7","3","6","10","10","1") = "9"
    & skf18("8","7","3","7","1","1","1") = "7"
    & skf18("8","7","3","7","1","2","1") = "7"
    & skf18("8","7","3","7","1","3","1") = "7"
    & skf18("8","7","3","7","1","4","1") = "7"
    & skf18("8","7","3","7","1","5","1") = "7"
    & skf18("8","7","3","7","1","6","1") = "7"
    & skf18("8","7","3","7","1","7","1") = "7"
    & skf18("8","7","3","7","1","8","1") = "7"
    & skf18("8","7","3","7","1","9","1") = "8"
    & skf18("8","7","3","7","1","10","1") = "9"
    & skf18("8","7","3","7","2","1","1") = "7"
    & skf18("8","7","3","7","2","2","1") = "7"
    & skf18("8","7","3","7","2","3","1") = "7"
    & skf18("8","7","3","7","2","4","1") = "7"
    & skf18("8","7","3","7","2","5","1") = "7"
    & skf18("8","7","3","7","2","6","1") = "7"
    & skf18("8","7","3","7","2","7","1") = "7"
    & skf18("8","7","3","7","2","8","1") = "7"
    & skf18("8","7","3","7","2","9","1") = "8"
    & skf18("8","7","3","7","2","10","1") = "9"
    & skf18("8","7","3","7","3","1","1") = "7"
    & skf18("8","7","3","7","3","2","1") = "7"
    & skf18("8","7","3","7","3","3","1") = "7"
    & skf18("8","7","3","7","3","4","1") = "7"
    & skf18("8","7","3","7","3","5","1") = "7"
    & skf18("8","7","3","7","3","6","1") = "7"
    & skf18("8","7","3","7","3","7","1") = "7"
    & skf18("8","7","3","7","3","8","1") = "7"
    & skf18("8","7","3","7","3","9","1") = "8"
    & skf18("8","7","3","7","3","10","1") = "9"
    & skf18("8","7","3","7","4","1","1") = "7"
    & skf18("8","7","3","7","4","2","1") = "7"
    & skf18("8","7","3","7","4","3","1") = "7"
    & skf18("8","7","3","7","4","4","1") = "7"
    & skf18("8","7","3","7","4","5","1") = "7"
    & skf18("8","7","3","7","4","6","1") = "7"
    & skf18("8","7","3","7","4","7","1") = "7"
    & skf18("8","7","3","7","4","8","1") = "7"
    & skf18("8","7","3","7","4","9","1") = "8"
    & skf18("8","7","3","7","4","10","1") = "9"
    & skf18("8","7","3","7","5","1","1") = "7"
    & skf18("8","7","3","7","5","2","1") = "7"
    & skf18("8","7","3","7","5","3","1") = "7"
    & skf18("8","7","3","7","5","4","1") = "7"
    & skf18("8","7","3","7","5","5","1") = "7"
    & skf18("8","7","3","7","5","6","1") = "7"
    & skf18("8","7","3","7","5","7","1") = "7"
    & skf18("8","7","3","7","5","8","1") = "7"
    & skf18("8","7","3","7","5","9","1") = "8"
    & skf18("8","7","3","7","5","10","1") = "9"
    & skf18("8","7","3","7","6","1","1") = "7"
    & skf18("8","7","3","7","6","2","1") = "7"
    & skf18("8","7","3","7","6","3","1") = "7"
    & skf18("8","7","3","7","6","4","1") = "7"
    & skf18("8","7","3","7","6","5","1") = "7"
    & skf18("8","7","3","7","6","6","1") = "7"
    & skf18("8","7","3","7","6","7","1") = "7"
    & skf18("8","7","3","7","6","8","1") = "7"
    & skf18("8","7","3","7","6","9","1") = "8"
    & skf18("8","7","3","7","6","10","1") = "9"
    & skf18("8","7","3","7","7","1","1") = "7"
    & skf18("8","7","3","7","7","2","1") = "7"
    & skf18("8","7","3","7","7","3","1") = "7"
    & skf18("8","7","3","7","7","4","1") = "7"
    & skf18("8","7","3","7","7","5","1") = "7"
    & skf18("8","7","3","7","7","6","1") = "7"
    & skf18("8","7","3","7","7","7","1") = "7"
    & skf18("8","7","3","7","7","8","1") = "7"
    & skf18("8","7","3","7","7","9","1") = "8"
    & skf18("8","7","3","7","7","10","1") = "9"
    & skf18("8","7","3","7","8","1","1") = "7"
    & skf18("8","7","3","7","8","2","1") = "7"
    & skf18("8","7","3","7","8","3","1") = "7"
    & skf18("8","7","3","7","8","4","1") = "7"
    & skf18("8","7","3","7","8","5","1") = "7"
    & skf18("8","7","3","7","8","6","1") = "7"
    & skf18("8","7","3","7","8","7","1") = "7"
    & skf18("8","7","3","7","8","8","1") = "7"
    & skf18("8","7","3","7","8","9","1") = "8"
    & skf18("8","7","3","7","8","10","1") = "9"
    & skf18("8","7","3","7","9","1","1") = "8"
    & skf18("8","7","3","7","9","2","1") = "8"
    & skf18("8","7","3","7","9","3","1") = "8"
    & skf18("8","7","3","7","9","4","1") = "8"
    & skf18("8","7","3","7","9","5","1") = "8"
    & skf18("8","7","3","7","9","6","1") = "8"
    & skf18("8","7","3","7","9","7","1") = "8"
    & skf18("8","7","3","7","9","8","1") = "8"
    & skf18("8","7","3","7","9","9","1") = "8"
    & skf18("8","7","3","7","9","10","1") = "9"
    & skf18("8","7","3","7","10","1","1") = "9"
    & skf18("8","7","3","7","10","2","1") = "9"
    & skf18("8","7","3","7","10","3","1") = "9"
    & skf18("8","7","3","7","10","4","1") = "9"
    & skf18("8","7","3","7","10","5","1") = "9"
    & skf18("8","7","3","7","10","6","1") = "9"
    & skf18("8","7","3","7","10","7","1") = "9"
    & skf18("8","7","3","7","10","8","1") = "9"
    & skf18("8","7","3","7","10","9","1") = "9"
    & skf18("8","7","3","7","10","10","1") = "9"
    & skf18("8","7","3","8","1","1","1") = "7"
    & skf18("8","7","3","8","1","2","1") = "7"
    & skf18("8","7","3","8","1","3","1") = "7"
    & skf18("8","7","3","8","1","4","1") = "7"
    & skf18("8","7","3","8","1","5","1") = "7"
    & skf18("8","7","3","8","1","6","1") = "7"
    & skf18("8","7","3","8","1","7","1") = "7"
    & skf18("8","7","3","8","1","8","1") = "7"
    & skf18("8","7","3","8","1","9","1") = "8"
    & skf18("8","7","3","8","1","10","1") = "9"
    & skf18("8","7","3","8","2","1","1") = "7"
    & skf18("8","7","3","8","2","2","1") = "7"
    & skf18("8","7","3","8","2","3","1") = "7"
    & skf18("8","7","3","8","2","4","1") = "7"
    & skf18("8","7","3","8","2","5","1") = "7"
    & skf18("8","7","3","8","2","6","1") = "7"
    & skf18("8","7","3","8","2","7","1") = "7"
    & skf18("8","7","3","8","2","8","1") = "7"
    & skf18("8","7","3","8","2","9","1") = "8"
    & skf18("8","7","3","8","2","10","1") = "9"
    & skf18("8","7","3","8","3","1","1") = "7"
    & skf18("8","7","3","8","3","2","1") = "7"
    & skf18("8","7","3","8","3","3","1") = "7"
    & skf18("8","7","3","8","3","4","1") = "7"
    & skf18("8","7","3","8","3","5","1") = "7"
    & skf18("8","7","3","8","3","6","1") = "7"
    & skf18("8","7","3","8","3","7","1") = "7"
    & skf18("8","7","3","8","3","8","1") = "7"
    & skf18("8","7","3","8","3","9","1") = "8"
    & skf18("8","7","3","8","3","10","1") = "9"
    & skf18("8","7","3","8","4","1","1") = "7"
    & skf18("8","7","3","8","4","2","1") = "7"
    & skf18("8","7","3","8","4","3","1") = "7"
    & skf18("8","7","3","8","4","4","1") = "7"
    & skf18("8","7","3","8","4","5","1") = "7"
    & skf18("8","7","3","8","4","6","1") = "7"
    & skf18("8","7","3","8","4","7","1") = "7"
    & skf18("8","7","3","8","4","8","1") = "7"
    & skf18("8","7","3","8","4","9","1") = "8"
    & skf18("8","7","3","8","4","10","1") = "9"
    & skf18("8","7","3","8","5","1","1") = "7"
    & skf18("8","7","3","8","5","2","1") = "7"
    & skf18("8","7","3","8","5","3","1") = "7"
    & skf18("8","7","3","8","5","4","1") = "7"
    & skf18("8","7","3","8","5","5","1") = "7"
    & skf18("8","7","3","8","5","6","1") = "7"
    & skf18("8","7","3","8","5","7","1") = "7"
    & skf18("8","7","3","8","5","8","1") = "7"
    & skf18("8","7","3","8","5","9","1") = "8"
    & skf18("8","7","3","8","5","10","1") = "9"
    & skf18("8","7","3","8","6","1","1") = "7"
    & skf18("8","7","3","8","6","2","1") = "7"
    & skf18("8","7","3","8","6","3","1") = "7"
    & skf18("8","7","3","8","6","4","1") = "7"
    & skf18("8","7","3","8","6","5","1") = "7"
    & skf18("8","7","3","8","6","6","1") = "7"
    & skf18("8","7","3","8","6","7","1") = "7"
    & skf18("8","7","3","8","6","8","1") = "7"
    & skf18("8","7","3","8","6","9","1") = "8"
    & skf18("8","7","3","8","6","10","1") = "9"
    & skf18("8","7","3","8","7","1","1") = "7"
    & skf18("8","7","3","8","7","2","1") = "7"
    & skf18("8","7","3","8","7","3","1") = "7"
    & skf18("8","7","3","8","7","4","1") = "7"
    & skf18("8","7","3","8","7","5","1") = "7"
    & skf18("8","7","3","8","7","6","1") = "7"
    & skf18("8","7","3","8","7","7","1") = "7"
    & skf18("8","7","3","8","7","8","1") = "7"
    & skf18("8","7","3","8","7","9","1") = "8"
    & skf18("8","7","3","8","7","10","1") = "9"
    & skf18("8","7","3","8","8","1","1") = "7"
    & skf18("8","7","3","8","8","2","1") = "7"
    & skf18("8","7","3","8","8","3","1") = "7"
    & skf18("8","7","3","8","8","4","1") = "7"
    & skf18("8","7","3","8","8","5","1") = "7"
    & skf18("8","7","3","8","8","6","1") = "7"
    & skf18("8","7","3","8","8","7","1") = "7"
    & skf18("8","7","3","8","8","8","1") = "7"
    & skf18("8","7","3","8","8","9","1") = "8"
    & skf18("8","7","3","8","8","10","1") = "9"
    & skf18("8","7","3","8","9","1","1") = "8"
    & skf18("8","7","3","8","9","2","1") = "8"
    & skf18("8","7","3","8","9","3","1") = "8"
    & skf18("8","7","3","8","9","4","1") = "8"
    & skf18("8","7","3","8","9","5","1") = "8"
    & skf18("8","7","3","8","9","6","1") = "8"
    & skf18("8","7","3","8","9","7","1") = "8"
    & skf18("8","7","3","8","9","8","1") = "8"
    & skf18("8","7","3","8","9","9","1") = "8"
    & skf18("8","7","3","8","9","10","1") = "9"
    & skf18("8","7","3","8","10","1","1") = "9"
    & skf18("8","7","3","8","10","2","1") = "9"
    & skf18("8","7","3","8","10","3","1") = "9"
    & skf18("8","7","3","8","10","4","1") = "9"
    & skf18("8","7","3","8","10","5","1") = "9"
    & skf18("8","7","3","8","10","6","1") = "9"
    & skf18("8","7","3","8","10","7","1") = "9"
    & skf18("8","7","3","8","10","8","1") = "9"
    & skf18("8","7","3","8","10","9","1") = "9"
    & skf18("8","7","3","8","10","10","1") = "9"
    & skf18("8","7","3","9","1","1","1") = "8"
    & skf18("8","7","3","9","1","2","1") = "8"
    & skf18("8","7","3","9","1","3","1") = "8"
    & skf18("8","7","3","9","1","4","1") = "8"
    & skf18("8","7","3","9","1","5","1") = "8"
    & skf18("8","7","3","9","1","6","1") = "8"
    & skf18("8","7","3","9","1","7","1") = "8"
    & skf18("8","7","3","9","1","8","1") = "8"
    & skf18("8","7","3","9","1","9","1") = "8"
    & skf18("8","7","3","9","1","10","1") = "9"
    & skf18("8","7","3","9","2","1","1") = "8"
    & skf18("8","7","3","9","2","2","1") = "8"
    & skf18("8","7","3","9","2","3","1") = "8"
    & skf18("8","7","3","9","2","4","1") = "8"
    & skf18("8","7","3","9","2","5","1") = "8"
    & skf18("8","7","3","9","2","6","1") = "8"
    & skf18("8","7","3","9","2","7","1") = "8"
    & skf18("8","7","3","9","2","8","1") = "8"
    & skf18("8","7","3","9","2","9","1") = "8"
    & skf18("8","7","3","9","2","10","1") = "9"
    & skf18("8","7","3","9","3","1","1") = "8"
    & skf18("8","7","3","9","3","2","1") = "8"
    & skf18("8","7","3","9","3","3","1") = "8"
    & skf18("8","7","3","9","3","4","1") = "8"
    & skf18("8","7","3","9","3","5","1") = "8"
    & skf18("8","7","3","9","3","6","1") = "8"
    & skf18("8","7","3","9","3","7","1") = "8"
    & skf18("8","7","3","9","3","8","1") = "8"
    & skf18("8","7","3","9","3","9","1") = "8"
    & skf18("8","7","3","9","3","10","1") = "9"
    & skf18("8","7","3","9","4","1","1") = "8"
    & skf18("8","7","3","9","4","2","1") = "8"
    & skf18("8","7","3","9","4","3","1") = "8"
    & skf18("8","7","3","9","4","4","1") = "8"
    & skf18("8","7","3","9","4","5","1") = "8"
    & skf18("8","7","3","9","4","6","1") = "8"
    & skf18("8","7","3","9","4","7","1") = "8"
    & skf18("8","7","3","9","4","8","1") = "8"
    & skf18("8","7","3","9","4","9","1") = "8"
    & skf18("8","7","3","9","4","10","1") = "9"
    & skf18("8","7","3","9","5","1","1") = "8"
    & skf18("8","7","3","9","5","2","1") = "8"
    & skf18("8","7","3","9","5","3","1") = "8"
    & skf18("8","7","3","9","5","4","1") = "8"
    & skf18("8","7","3","9","5","5","1") = "8"
    & skf18("8","7","3","9","5","6","1") = "8"
    & skf18("8","7","3","9","5","7","1") = "8"
    & skf18("8","7","3","9","5","8","1") = "8"
    & skf18("8","7","3","9","5","9","1") = "8"
    & skf18("8","7","3","9","5","10","1") = "9"
    & skf18("8","7","3","9","6","1","1") = "8"
    & skf18("8","7","3","9","6","2","1") = "8"
    & skf18("8","7","3","9","6","3","1") = "8"
    & skf18("8","7","3","9","6","4","1") = "8"
    & skf18("8","7","3","9","6","5","1") = "8"
    & skf18("8","7","3","9","6","6","1") = "8"
    & skf18("8","7","3","9","6","7","1") = "8"
    & skf18("8","7","3","9","6","8","1") = "8"
    & skf18("8","7","3","9","6","9","1") = "8"
    & skf18("8","7","3","9","6","10","1") = "9"
    & skf18("8","7","3","9","7","1","1") = "8"
    & skf18("8","7","3","9","7","2","1") = "8"
    & skf18("8","7","3","9","7","3","1") = "8"
    & skf18("8","7","3","9","7","4","1") = "8"
    & skf18("8","7","3","9","7","5","1") = "8"
    & skf18("8","7","3","9","7","6","1") = "8"
    & skf18("8","7","3","9","7","7","1") = "8"
    & skf18("8","7","3","9","7","8","1") = "8"
    & skf18("8","7","3","9","7","9","1") = "8"
    & skf18("8","7","3","9","7","10","1") = "9"
    & skf18("8","7","3","9","8","1","1") = "8"
    & skf18("8","7","3","9","8","2","1") = "8"
    & skf18("8","7","3","9","8","3","1") = "8"
    & skf18("8","7","3","9","8","4","1") = "8"
    & skf18("8","7","3","9","8","5","1") = "8"
    & skf18("8","7","3","9","8","6","1") = "8"
    & skf18("8","7","3","9","8","7","1") = "8"
    & skf18("8","7","3","9","8","8","1") = "8"
    & skf18("8","7","3","9","8","9","1") = "8"
    & skf18("8","7","3","9","8","10","1") = "9"
    & skf18("8","7","3","9","9","1","1") = "8"
    & skf18("8","7","3","9","9","2","1") = "8"
    & skf18("8","7","3","9","9","3","1") = "8"
    & skf18("8","7","3","9","9","4","1") = "8"
    & skf18("8","7","3","9","9","5","1") = "8"
    & skf18("8","7","3","9","9","6","1") = "8"
    & skf18("8","7","3","9","9","7","1") = "8"
    & skf18("8","7","3","9","9","8","1") = "8"
    & skf18("8","7","3","9","9","9","1") = "8"
    & skf18("8","7","3","9","9","10","1") = "9"
    & skf18("8","7","3","9","10","1","1") = "9"
    & skf18("8","7","3","9","10","2","1") = "9"
    & skf18("8","7","3","9","10","3","1") = "9"
    & skf18("8","7","3","9","10","4","1") = "9"
    & skf18("8","7","3","9","10","5","1") = "9"
    & skf18("8","7","3","9","10","6","1") = "9"
    & skf18("8","7","3","9","10","7","1") = "9"
    & skf18("8","7","3","9","10","8","1") = "9"
    & skf18("8","7","3","9","10","9","1") = "9"
    & skf18("8","7","3","9","10","10","1") = "9"
    & skf18("8","7","3","10","1","1","1") = "9"
    & skf18("8","7","3","10","1","2","1") = "9"
    & skf18("8","7","3","10","1","3","1") = "9"
    & skf18("8","7","3","10","1","4","1") = "9"
    & skf18("8","7","3","10","1","5","1") = "9"
    & skf18("8","7","3","10","1","6","1") = "9"
    & skf18("8","7","3","10","1","7","1") = "9"
    & skf18("8","7","3","10","1","8","1") = "9"
    & skf18("8","7","3","10","1","9","1") = "9"
    & skf18("8","7","3","10","1","10","1") = "9"
    & skf18("8","7","3","10","2","1","1") = "9"
    & skf18("8","7","3","10","2","2","1") = "9"
    & skf18("8","7","3","10","2","3","1") = "9"
    & skf18("8","7","3","10","2","4","1") = "9"
    & skf18("8","7","3","10","2","5","1") = "9"
    & skf18("8","7","3","10","2","6","1") = "9"
    & skf18("8","7","3","10","2","7","1") = "9"
    & skf18("8","7","3","10","2","8","1") = "9"
    & skf18("8","7","3","10","2","9","1") = "9"
    & skf18("8","7","3","10","2","10","1") = "9"
    & skf18("8","7","3","10","3","1","1") = "9"
    & skf18("8","7","3","10","3","2","1") = "9"
    & skf18("8","7","3","10","3","3","1") = "9"
    & skf18("8","7","3","10","3","4","1") = "9"
    & skf18("8","7","3","10","3","5","1") = "9"
    & skf18("8","7","3","10","3","6","1") = "9"
    & skf18("8","7","3","10","3","7","1") = "9"
    & skf18("8","7","3","10","3","8","1") = "9"
    & skf18("8","7","3","10","3","9","1") = "9"
    & skf18("8","7","3","10","3","10","1") = "9"
    & skf18("8","7","3","10","4","1","1") = "9"
    & skf18("8","7","3","10","4","2","1") = "9"
    & skf18("8","7","3","10","4","3","1") = "9"
    & skf18("8","7","3","10","4","4","1") = "9"
    & skf18("8","7","3","10","4","5","1") = "9"
    & skf18("8","7","3","10","4","6","1") = "9"
    & skf18("8","7","3","10","4","7","1") = "9"
    & skf18("8","7","3","10","4","8","1") = "9"
    & skf18("8","7","3","10","4","9","1") = "9"
    & skf18("8","7","3","10","4","10","1") = "9"
    & skf18("8","7","3","10","5","1","1") = "9"
    & skf18("8","7","3","10","5","2","1") = "9"
    & skf18("8","7","3","10","5","3","1") = "9"
    & skf18("8","7","3","10","5","4","1") = "9"
    & skf18("8","7","3","10","5","5","1") = "9"
    & skf18("8","7","3","10","5","6","1") = "9"
    & skf18("8","7","3","10","5","7","1") = "9"
    & skf18("8","7","3","10","5","8","1") = "9"
    & skf18("8","7","3","10","5","9","1") = "9"
    & skf18("8","7","3","10","5","10","1") = "9"
    & skf18("8","7","3","10","6","1","1") = "9"
    & skf18("8","7","3","10","6","2","1") = "9"
    & skf18("8","7","3","10","6","3","1") = "9"
    & skf18("8","7","3","10","6","4","1") = "9"
    & skf18("8","7","3","10","6","5","1") = "9"
    & skf18("8","7","3","10","6","6","1") = "9"
    & skf18("8","7","3","10","6","7","1") = "9"
    & skf18("8","7","3","10","6","8","1") = "9"
    & skf18("8","7","3","10","6","9","1") = "9"
    & skf18("8","7","3","10","6","10","1") = "9"
    & skf18("8","7","3","10","7","1","1") = "9"
    & skf18("8","7","3","10","7","2","1") = "9"
    & skf18("8","7","3","10","7","3","1") = "9"
    & skf18("8","7","3","10","7","4","1") = "9"
    & skf18("8","7","3","10","7","5","1") = "9"
    & skf18("8","7","3","10","7","6","1") = "9"
    & skf18("8","7","3","10","7","7","1") = "9"
    & skf18("8","7","3","10","7","8","1") = "9"
    & skf18("8","7","3","10","7","9","1") = "9"
    & skf18("8","7","3","10","7","10","1") = "9"
    & skf18("8","7","3","10","8","1","1") = "9"
    & skf18("8","7","3","10","8","2","1") = "9"
    & skf18("8","7","3","10","8","3","1") = "9"
    & skf18("8","7","3","10","8","4","1") = "9"
    & skf18("8","7","3","10","8","5","1") = "9"
    & skf18("8","7","3","10","8","6","1") = "9"
    & skf18("8","7","3","10","8","7","1") = "9"
    & skf18("8","7","3","10","8","8","1") = "9"
    & skf18("8","7","3","10","8","9","1") = "9"
    & skf18("8","7","3","10","8","10","1") = "9"
    & skf18("8","7","3","10","9","1","1") = "9"
    & skf18("8","7","3","10","9","2","1") = "9"
    & skf18("8","7","3","10","9","3","1") = "9"
    & skf18("8","7","3","10","9","4","1") = "9"
    & skf18("8","7","3","10","9","5","1") = "9"
    & skf18("8","7","3","10","9","6","1") = "9"
    & skf18("8","7","3","10","9","7","1") = "9"
    & skf18("8","7","3","10","9","8","1") = "9"
    & skf18("8","7","3","10","9","9","1") = "9"
    & skf18("8","7","3","10","9","10","1") = "9"
    & skf18("8","7","3","10","10","1","1") = "9"
    & skf18("8","7","3","10","10","2","1") = "9"
    & skf18("8","7","3","10","10","3","1") = "9"
    & skf18("8","7","3","10","10","4","1") = "9"
    & skf18("8","7","3","10","10","5","1") = "9"
    & skf18("8","7","3","10","10","6","1") = "9"
    & skf18("8","7","3","10","10","7","1") = "9"
    & skf18("8","7","3","10","10","8","1") = "9"
    & skf18("8","7","3","10","10","9","1") = "9"
    & skf18("8","7","3","10","10","10","1") = "9"
    & skf18("8","7","4","1","1","1","1") = "7"
    & skf18("8","7","4","1","1","2","1") = "7"
    & skf18("8","7","4","1","1","3","1") = "7"
    & skf18("8","7","4","1","1","4","1") = "7"
    & skf18("8","7","4","1","1","5","1") = "7"
    & skf18("8","7","4","1","1","6","1") = "7"
    & skf18("8","7","4","1","1","7","1") = "7"
    & skf18("8","7","4","1","1","8","1") = "7"
    & skf18("8","7","4","1","1","9","1") = "8"
    & skf18("8","7","4","1","1","10","1") = "9"
    & skf18("8","7","4","1","2","1","1") = "7"
    & skf18("8","7","4","1","2","2","1") = "7"
    & skf18("8","7","4","1","2","3","1") = "7"
    & skf18("8","7","4","1","2","4","1") = "7"
    & skf18("8","7","4","1","2","5","1") = "7"
    & skf18("8","7","4","1","2","6","1") = "7"
    & skf18("8","7","4","1","2","7","1") = "7"
    & skf18("8","7","4","1","2","8","1") = "7"
    & skf18("8","7","4","1","2","9","1") = "8"
    & skf18("8","7","4","1","2","10","1") = "9"
    & skf18("8","7","4","1","3","1","1") = "7"
    & skf18("8","7","4","1","3","2","1") = "7"
    & skf18("8","7","4","1","3","3","1") = "7"
    & skf18("8","7","4","1","3","4","1") = "7"
    & skf18("8","7","4","1","3","5","1") = "7"
    & skf18("8","7","4","1","3","6","1") = "7"
    & skf18("8","7","4","1","3","7","1") = "7"
    & skf18("8","7","4","1","3","8","1") = "7"
    & skf18("8","7","4","1","3","9","1") = "8"
    & skf18("8","7","4","1","3","10","1") = "9"
    & skf18("8","7","4","1","4","1","1") = "7"
    & skf18("8","7","4","1","4","2","1") = "7"
    & skf18("8","7","4","1","4","3","1") = "7"
    & skf18("8","7","4","1","4","4","1") = "7"
    & skf18("8","7","4","1","4","5","1") = "7"
    & skf18("8","7","4","1","4","6","1") = "7"
    & skf18("8","7","4","1","4","7","1") = "7"
    & skf18("8","7","4","1","4","8","1") = "7"
    & skf18("8","7","4","1","4","9","1") = "8"
    & skf18("8","7","4","1","4","10","1") = "9"
    & skf18("8","7","4","1","5","1","1") = "7"
    & skf18("8","7","4","1","5","2","1") = "7"
    & skf18("8","7","4","1","5","3","1") = "7"
    & skf18("8","7","4","1","5","4","1") = "7"
    & skf18("8","7","4","1","5","5","1") = "7"
    & skf18("8","7","4","1","5","6","1") = "7"
    & skf18("8","7","4","1","5","7","1") = "7"
    & skf18("8","7","4","1","5","8","1") = "7"
    & skf18("8","7","4","1","5","9","1") = "8"
    & skf18("8","7","4","1","5","10","1") = "9"
    & skf18("8","7","4","1","6","1","1") = "7"
    & skf18("8","7","4","1","6","2","1") = "7"
    & skf18("8","7","4","1","6","3","1") = "7"
    & skf18("8","7","4","1","6","4","1") = "7"
    & skf18("8","7","4","1","6","5","1") = "7"
    & skf18("8","7","4","1","6","6","1") = "7"
    & skf18("8","7","4","1","6","7","1") = "7"
    & skf18("8","7","4","1","6","8","1") = "7"
    & skf18("8","7","4","1","6","9","1") = "8"
    & skf18("8","7","4","1","6","10","1") = "9"
    & skf18("8","7","4","1","7","1","1") = "7"
    & skf18("8","7","4","1","7","2","1") = "7"
    & skf18("8","7","4","1","7","3","1") = "7"
    & skf18("8","7","4","1","7","4","1") = "7"
    & skf18("8","7","4","1","7","5","1") = "7"
    & skf18("8","7","4","1","7","6","1") = "7"
    & skf18("8","7","4","1","7","7","1") = "7"
    & skf18("8","7","4","1","7","8","1") = "7"
    & skf18("8","7","4","1","7","9","1") = "8"
    & skf18("8","7","4","1","7","10","1") = "9"
    & skf18("8","7","4","1","8","1","1") = "7"
    & skf18("8","7","4","1","8","2","1") = "7"
    & skf18("8","7","4","1","8","3","1") = "7"
    & skf18("8","7","4","1","8","4","1") = "7"
    & skf18("8","7","4","1","8","5","1") = "7"
    & skf18("8","7","4","1","8","6","1") = "7"
    & skf18("8","7","4","1","8","7","1") = "7"
    & skf18("8","7","4","1","8","8","1") = "7"
    & skf18("8","7","4","1","8","9","1") = "8"
    & skf18("8","7","4","1","8","10","1") = "9"
    & skf18("8","7","4","1","9","1","1") = "8"
    & skf18("8","7","4","1","9","2","1") = "8"
    & skf18("8","7","4","1","9","3","1") = "8"
    & skf18("8","7","4","1","9","4","1") = "8"
    & skf18("8","7","4","1","9","5","1") = "8"
    & skf18("8","7","4","1","9","6","1") = "8"
    & skf18("8","7","4","1","9","7","1") = "8"
    & skf18("8","7","4","1","9","8","1") = "8"
    & skf18("8","7","4","1","9","9","1") = "8"
    & skf18("8","7","4","1","9","10","1") = "9"
    & skf18("8","7","4","1","10","1","1") = "9"
    & skf18("8","7","4","1","10","2","1") = "9"
    & skf18("8","7","4","1","10","3","1") = "9"
    & skf18("8","7","4","1","10","4","1") = "9"
    & skf18("8","7","4","1","10","5","1") = "9"
    & skf18("8","7","4","1","10","6","1") = "9"
    & skf18("8","7","4","1","10","7","1") = "9"
    & skf18("8","7","4","1","10","8","1") = "9"
    & skf18("8","7","4","1","10","9","1") = "9"
    & skf18("8","7","4","1","10","10","1") = "9"
    & skf18("8","7","4","2","1","1","1") = "7"
    & skf18("8","7","4","2","1","2","1") = "7"
    & skf18("8","7","4","2","1","3","1") = "7"
    & skf18("8","7","4","2","1","4","1") = "7"
    & skf18("8","7","4","2","1","5","1") = "7"
    & skf18("8","7","4","2","1","6","1") = "7"
    & skf18("8","7","4","2","1","7","1") = "7"
    & skf18("8","7","4","2","1","8","1") = "7"
    & skf18("8","7","4","2","1","9","1") = "8"
    & skf18("8","7","4","2","1","10","1") = "9"
    & skf18("8","7","4","2","2","1","1") = "7"
    & skf18("8","7","4","2","2","2","1") = "7"
    & skf18("8","7","4","2","2","3","1") = "7"
    & skf18("8","7","4","2","2","4","1") = "7"
    & skf18("8","7","4","2","2","5","1") = "7"
    & skf18("8","7","4","2","2","6","1") = "7"
    & skf18("8","7","4","2","2","7","1") = "7"
    & skf18("8","7","4","2","2","8","1") = "7"
    & skf18("8","7","4","2","2","9","1") = "8"
    & skf18("8","7","4","2","2","10","1") = "9"
    & skf18("8","7","4","2","3","1","1") = "7"
    & skf18("8","7","4","2","3","2","1") = "7"
    & skf18("8","7","4","2","3","3","1") = "7"
    & skf18("8","7","4","2","3","4","1") = "7"
    & skf18("8","7","4","2","3","5","1") = "7"
    & skf18("8","7","4","2","3","6","1") = "7"
    & skf18("8","7","4","2","3","7","1") = "7"
    & skf18("8","7","4","2","3","8","1") = "7"
    & skf18("8","7","4","2","3","9","1") = "8"
    & skf18("8","7","4","2","3","10","1") = "9"
    & skf18("8","7","4","2","4","1","1") = "7"
    & skf18("8","7","4","2","4","2","1") = "7"
    & skf18("8","7","4","2","4","3","1") = "7"
    & skf18("8","7","4","2","4","4","1") = "7"
    & skf18("8","7","4","2","4","5","1") = "7"
    & skf18("8","7","4","2","4","6","1") = "7"
    & skf18("8","7","4","2","4","7","1") = "7"
    & skf18("8","7","4","2","4","8","1") = "7"
    & skf18("8","7","4","2","4","9","1") = "8"
    & skf18("8","7","4","2","4","10","1") = "9"
    & skf18("8","7","4","2","5","1","1") = "7"
    & skf18("8","7","4","2","5","2","1") = "7"
    & skf18("8","7","4","2","5","3","1") = "7"
    & skf18("8","7","4","2","5","4","1") = "7"
    & skf18("8","7","4","2","5","5","1") = "7"
    & skf18("8","7","4","2","5","6","1") = "7"
    & skf18("8","7","4","2","5","7","1") = "7"
    & skf18("8","7","4","2","5","8","1") = "7"
    & skf18("8","7","4","2","5","9","1") = "8"
    & skf18("8","7","4","2","5","10","1") = "9"
    & skf18("8","7","4","2","6","1","1") = "7"
    & skf18("8","7","4","2","6","2","1") = "7"
    & skf18("8","7","4","2","6","3","1") = "7"
    & skf18("8","7","4","2","6","4","1") = "7"
    & skf18("8","7","4","2","6","5","1") = "7"
    & skf18("8","7","4","2","6","6","1") = "7"
    & skf18("8","7","4","2","6","7","1") = "7"
    & skf18("8","7","4","2","6","8","1") = "7"
    & skf18("8","7","4","2","6","9","1") = "8"
    & skf18("8","7","4","2","6","10","1") = "9"
    & skf18("8","7","4","2","7","1","1") = "7"
    & skf18("8","7","4","2","7","2","1") = "7"
    & skf18("8","7","4","2","7","3","1") = "7"
    & skf18("8","7","4","2","7","4","1") = "7"
    & skf18("8","7","4","2","7","5","1") = "7"
    & skf18("8","7","4","2","7","6","1") = "7"
    & skf18("8","7","4","2","7","7","1") = "7"
    & skf18("8","7","4","2","7","8","1") = "7"
    & skf18("8","7","4","2","7","9","1") = "8"
    & skf18("8","7","4","2","7","10","1") = "9"
    & skf18("8","7","4","2","8","1","1") = "7"
    & skf18("8","7","4","2","8","2","1") = "7"
    & skf18("8","7","4","2","8","3","1") = "7"
    & skf18("8","7","4","2","8","4","1") = "7"
    & skf18("8","7","4","2","8","5","1") = "7"
    & skf18("8","7","4","2","8","6","1") = "7"
    & skf18("8","7","4","2","8","7","1") = "7"
    & skf18("8","7","4","2","8","8","1") = "7"
    & skf18("8","7","4","2","8","9","1") = "8"
    & skf18("8","7","4","2","8","10","1") = "9"
    & skf18("8","7","4","2","9","1","1") = "8"
    & skf18("8","7","4","2","9","2","1") = "8"
    & skf18("8","7","4","2","9","3","1") = "8"
    & skf18("8","7","4","2","9","4","1") = "8"
    & skf18("8","7","4","2","9","5","1") = "8"
    & skf18("8","7","4","2","9","6","1") = "8"
    & skf18("8","7","4","2","9","7","1") = "8"
    & skf18("8","7","4","2","9","8","1") = "8"
    & skf18("8","7","4","2","9","9","1") = "8"
    & skf18("8","7","4","2","9","10","1") = "9"
    & skf18("8","7","4","2","10","1","1") = "9"
    & skf18("8","7","4","2","10","2","1") = "9"
    & skf18("8","7","4","2","10","3","1") = "9"
    & skf18("8","7","4","2","10","4","1") = "9"
    & skf18("8","7","4","2","10","5","1") = "9"
    & skf18("8","7","4","2","10","6","1") = "9"
    & skf18("8","7","4","2","10","7","1") = "9"
    & skf18("8","7","4","2","10","8","1") = "9"
    & skf18("8","7","4","2","10","9","1") = "9"
    & skf18("8","7","4","2","10","10","1") = "9"
    & skf18("8","7","4","3","1","1","1") = "7"
    & skf18("8","7","4","3","1","2","1") = "7"
    & skf18("8","7","4","3","1","3","1") = "7"
    & skf18("8","7","4","3","1","4","1") = "7"
    & skf18("8","7","4","3","1","5","1") = "7"
    & skf18("8","7","4","3","1","6","1") = "7"
    & skf18("8","7","4","3","1","7","1") = "7"
    & skf18("8","7","4","3","1","8","1") = "7"
    & skf18("8","7","4","3","1","9","1") = "8"
    & skf18("8","7","4","3","1","10","1") = "9"
    & skf18("8","7","4","3","2","1","1") = "7"
    & skf18("8","7","4","3","2","2","1") = "7"
    & skf18("8","7","4","3","2","3","1") = "7"
    & skf18("8","7","4","3","2","4","1") = "7"
    & skf18("8","7","4","3","2","5","1") = "7"
    & skf18("8","7","4","3","2","6","1") = "7"
    & skf18("8","7","4","3","2","7","1") = "7"
    & skf18("8","7","4","3","2","8","1") = "7"
    & skf18("8","7","4","3","2","9","1") = "8"
    & skf18("8","7","4","3","2","10","1") = "9"
    & skf18("8","7","4","3","3","1","1") = "7"
    & skf18("8","7","4","3","3","2","1") = "7"
    & skf18("8","7","4","3","3","3","1") = "7"
    & skf18("8","7","4","3","3","4","1") = "7"
    & skf18("8","7","4","3","3","5","1") = "7"
    & skf18("8","7","4","3","3","6","1") = "7"
    & skf18("8","7","4","3","3","7","1") = "7"
    & skf18("8","7","4","3","3","8","1") = "7"
    & skf18("8","7","4","3","3","9","1") = "8"
    & skf18("8","7","4","3","3","10","1") = "9"
    & skf18("8","7","4","3","4","1","1") = "7"
    & skf18("8","7","4","3","4","2","1") = "7"
    & skf18("8","7","4","3","4","3","1") = "7"
    & skf18("8","7","4","3","4","4","1") = "7"
    & skf18("8","7","4","3","4","5","1") = "7"
    & skf18("8","7","4","3","4","6","1") = "7"
    & skf18("8","7","4","3","4","7","1") = "7"
    & skf18("8","7","4","3","4","8","1") = "7"
    & skf18("8","7","4","3","4","9","1") = "8"
    & skf18("8","7","4","3","4","10","1") = "9"
    & skf18("8","7","4","3","5","1","1") = "7"
    & skf18("8","7","4","3","5","2","1") = "7"
    & skf18("8","7","4","3","5","3","1") = "7"
    & skf18("8","7","4","3","5","4","1") = "7"
    & skf18("8","7","4","3","5","5","1") = "7"
    & skf18("8","7","4","3","5","6","1") = "7"
    & skf18("8","7","4","3","5","7","1") = "7"
    & skf18("8","7","4","3","5","8","1") = "7"
    & skf18("8","7","4","3","5","9","1") = "8"
    & skf18("8","7","4","3","5","10","1") = "9"
    & skf18("8","7","4","3","6","1","1") = "7"
    & skf18("8","7","4","3","6","2","1") = "7"
    & skf18("8","7","4","3","6","3","1") = "7"
    & skf18("8","7","4","3","6","4","1") = "7"
    & skf18("8","7","4","3","6","5","1") = "7"
    & skf18("8","7","4","3","6","6","1") = "7"
    & skf18("8","7","4","3","6","7","1") = "7"
    & skf18("8","7","4","3","6","8","1") = "7"
    & skf18("8","7","4","3","6","9","1") = "8"
    & skf18("8","7","4","3","6","10","1") = "9"
    & skf18("8","7","4","3","7","1","1") = "7"
    & skf18("8","7","4","3","7","2","1") = "7"
    & skf18("8","7","4","3","7","3","1") = "7"
    & skf18("8","7","4","3","7","4","1") = "7"
    & skf18("8","7","4","3","7","5","1") = "7"
    & skf18("8","7","4","3","7","6","1") = "7"
    & skf18("8","7","4","3","7","7","1") = "7"
    & skf18("8","7","4","3","7","8","1") = "7"
    & skf18("8","7","4","3","7","9","1") = "8"
    & skf18("8","7","4","3","7","10","1") = "9"
    & skf18("8","7","4","3","8","1","1") = "7"
    & skf18("8","7","4","3","8","2","1") = "7"
    & skf18("8","7","4","3","8","3","1") = "7"
    & skf18("8","7","4","3","8","4","1") = "7"
    & skf18("8","7","4","3","8","5","1") = "7"
    & skf18("8","7","4","3","8","6","1") = "7"
    & skf18("8","7","4","3","8","7","1") = "7"
    & skf18("8","7","4","3","8","8","1") = "7"
    & skf18("8","7","4","3","8","9","1") = "8"
    & skf18("8","7","4","3","8","10","1") = "9"
    & skf18("8","7","4","3","9","1","1") = "8"
    & skf18("8","7","4","3","9","2","1") = "8"
    & skf18("8","7","4","3","9","3","1") = "8"
    & skf18("8","7","4","3","9","4","1") = "8"
    & skf18("8","7","4","3","9","5","1") = "8"
    & skf18("8","7","4","3","9","6","1") = "8"
    & skf18("8","7","4","3","9","7","1") = "8"
    & skf18("8","7","4","3","9","8","1") = "8"
    & skf18("8","7","4","3","9","9","1") = "8"
    & skf18("8","7","4","3","9","10","1") = "9"
    & skf18("8","7","4","3","10","1","1") = "9"
    & skf18("8","7","4","3","10","2","1") = "9"
    & skf18("8","7","4","3","10","3","1") = "9"
    & skf18("8","7","4","3","10","4","1") = "9"
    & skf18("8","7","4","3","10","5","1") = "9"
    & skf18("8","7","4","3","10","6","1") = "9"
    & skf18("8","7","4","3","10","7","1") = "9"
    & skf18("8","7","4","3","10","8","1") = "9"
    & skf18("8","7","4","3","10","9","1") = "9"
    & skf18("8","7","4","3","10","10","1") = "9"
    & skf18("8","7","4","4","1","1","1") = "7"
    & skf18("8","7","4","4","1","2","1") = "7"
    & skf18("8","7","4","4","1","3","1") = "7"
    & skf18("8","7","4","4","1","4","1") = "7"
    & skf18("8","7","4","4","1","5","1") = "7"
    & skf18("8","7","4","4","1","6","1") = "7"
    & skf18("8","7","4","4","1","7","1") = "7"
    & skf18("8","7","4","4","1","8","1") = "7"
    & skf18("8","7","4","4","1","9","1") = "8"
    & skf18("8","7","4","4","1","10","1") = "9"
    & skf18("8","7","4","4","2","1","1") = "7"
    & skf18("8","7","4","4","2","2","1") = "7"
    & skf18("8","7","4","4","2","3","1") = "7"
    & skf18("8","7","4","4","2","4","1") = "7"
    & skf18("8","7","4","4","2","5","1") = "7"
    & skf18("8","7","4","4","2","6","1") = "7"
    & skf18("8","7","4","4","2","7","1") = "7"
    & skf18("8","7","4","4","2","8","1") = "7"
    & skf18("8","7","4","4","2","9","1") = "8"
    & skf18("8","7","4","4","2","10","1") = "9"
    & skf18("8","7","4","4","3","1","1") = "7"
    & skf18("8","7","4","4","3","2","1") = "7"
    & skf18("8","7","4","4","3","3","1") = "7"
    & skf18("8","7","4","4","3","4","1") = "7"
    & skf18("8","7","4","4","3","5","1") = "7"
    & skf18("8","7","4","4","3","6","1") = "7"
    & skf18("8","7","4","4","3","7","1") = "7"
    & skf18("8","7","4","4","3","8","1") = "7"
    & skf18("8","7","4","4","3","9","1") = "8"
    & skf18("8","7","4","4","3","10","1") = "9"
    & skf18("8","7","4","4","4","1","1") = "7"
    & skf18("8","7","4","4","4","2","1") = "7"
    & skf18("8","7","4","4","4","3","1") = "7"
    & skf18("8","7","4","4","4","4","1") = "7"
    & skf18("8","7","4","4","4","5","1") = "7"
    & skf18("8","7","4","4","4","6","1") = "7"
    & skf18("8","7","4","4","4","7","1") = "7"
    & skf18("8","7","4","4","4","8","1") = "7"
    & skf18("8","7","4","4","4","9","1") = "8"
    & skf18("8","7","4","4","4","10","1") = "9"
    & skf18("8","7","4","4","5","1","1") = "7"
    & skf18("8","7","4","4","5","2","1") = "7"
    & skf18("8","7","4","4","5","3","1") = "7"
    & skf18("8","7","4","4","5","4","1") = "7"
    & skf18("8","7","4","4","5","5","1") = "7"
    & skf18("8","7","4","4","5","6","1") = "7"
    & skf18("8","7","4","4","5","7","1") = "7"
    & skf18("8","7","4","4","5","8","1") = "7"
    & skf18("8","7","4","4","5","9","1") = "8"
    & skf18("8","7","4","4","5","10","1") = "9"
    & skf18("8","7","4","4","6","1","1") = "7"
    & skf18("8","7","4","4","6","2","1") = "7"
    & skf18("8","7","4","4","6","3","1") = "7"
    & skf18("8","7","4","4","6","4","1") = "7"
    & skf18("8","7","4","4","6","5","1") = "7"
    & skf18("8","7","4","4","6","6","1") = "7"
    & skf18("8","7","4","4","6","7","1") = "7"
    & skf18("8","7","4","4","6","8","1") = "7"
    & skf18("8","7","4","4","6","9","1") = "8"
    & skf18("8","7","4","4","6","10","1") = "9"
    & skf18("8","7","4","4","7","1","1") = "7"
    & skf18("8","7","4","4","7","2","1") = "7"
    & skf18("8","7","4","4","7","3","1") = "7"
    & skf18("8","7","4","4","7","4","1") = "7"
    & skf18("8","7","4","4","7","5","1") = "7"
    & skf18("8","7","4","4","7","6","1") = "7"
    & skf18("8","7","4","4","7","7","1") = "7"
    & skf18("8","7","4","4","7","8","1") = "7"
    & skf18("8","7","4","4","7","9","1") = "8"
    & skf18("8","7","4","4","7","10","1") = "9"
    & skf18("8","7","4","4","8","1","1") = "7"
    & skf18("8","7","4","4","8","2","1") = "7"
    & skf18("8","7","4","4","8","3","1") = "7"
    & skf18("8","7","4","4","8","4","1") = "7"
    & skf18("8","7","4","4","8","5","1") = "7"
    & skf18("8","7","4","4","8","6","1") = "7"
    & skf18("8","7","4","4","8","7","1") = "7"
    & skf18("8","7","4","4","8","8","1") = "7"
    & skf18("8","7","4","4","8","9","1") = "8"
    & skf18("8","7","4","4","8","10","1") = "9"
    & skf18("8","7","4","4","9","1","1") = "8"
    & skf18("8","7","4","4","9","2","1") = "8"
    & skf18("8","7","4","4","9","3","1") = "8"
    & skf18("8","7","4","4","9","4","1") = "8"
    & skf18("8","7","4","4","9","5","1") = "8"
    & skf18("8","7","4","4","9","6","1") = "8"
    & skf18("8","7","4","4","9","7","1") = "8"
    & skf18("8","7","4","4","9","8","1") = "8"
    & skf18("8","7","4","4","9","9","1") = "8"
    & skf18("8","7","4","4","9","10","1") = "9"
    & skf18("8","7","4","4","10","1","1") = "9"
    & skf18("8","7","4","4","10","2","1") = "9"
    & skf18("8","7","4","4","10","3","1") = "9"
    & skf18("8","7","4","4","10","4","1") = "9"
    & skf18("8","7","4","4","10","5","1") = "9"
    & skf18("8","7","4","4","10","6","1") = "9"
    & skf18("8","7","4","4","10","7","1") = "9"
    & skf18("8","7","4","4","10","8","1") = "9"
    & skf18("8","7","4","4","10","9","1") = "9"
    & skf18("8","7","4","4","10","10","1") = "9"
    & skf18("8","7","4","5","1","1","1") = "7"
    & skf18("8","7","4","5","1","2","1") = "7"
    & skf18("8","7","4","5","1","3","1") = "7"
    & skf18("8","7","4","5","1","4","1") = "7"
    & skf18("8","7","4","5","1","5","1") = "7"
    & skf18("8","7","4","5","1","6","1") = "7"
    & skf18("8","7","4","5","1","7","1") = "7"
    & skf18("8","7","4","5","1","8","1") = "7"
    & skf18("8","7","4","5","1","9","1") = "8"
    & skf18("8","7","4","5","1","10","1") = "9"
    & skf18("8","7","4","5","2","1","1") = "7"
    & skf18("8","7","4","5","2","2","1") = "7"
    & skf18("8","7","4","5","2","3","1") = "7"
    & skf18("8","7","4","5","2","4","1") = "7"
    & skf18("8","7","4","5","2","5","1") = "7"
    & skf18("8","7","4","5","2","6","1") = "7"
    & skf18("8","7","4","5","2","7","1") = "7"
    & skf18("8","7","4","5","2","8","1") = "7"
    & skf18("8","7","4","5","2","9","1") = "8"
    & skf18("8","7","4","5","2","10","1") = "9"
    & skf18("8","7","4","5","3","1","1") = "7"
    & skf18("8","7","4","5","3","2","1") = "7"
    & skf18("8","7","4","5","3","3","1") = "7"
    & skf18("8","7","4","5","3","4","1") = "7"
    & skf18("8","7","4","5","3","5","1") = "7"
    & skf18("8","7","4","5","3","6","1") = "7"
    & skf18("8","7","4","5","3","7","1") = "7"
    & skf18("8","7","4","5","3","8","1") = "7"
    & skf18("8","7","4","5","3","9","1") = "8"
    & skf18("8","7","4","5","3","10","1") = "9"
    & skf18("8","7","4","5","4","1","1") = "7"
    & skf18("8","7","4","5","4","2","1") = "7"
    & skf18("8","7","4","5","4","3","1") = "7"
    & skf18("8","7","4","5","4","4","1") = "7"
    & skf18("8","7","4","5","4","5","1") = "7"
    & skf18("8","7","4","5","4","6","1") = "7"
    & skf18("8","7","4","5","4","7","1") = "7"
    & skf18("8","7","4","5","4","8","1") = "7"
    & skf18("8","7","4","5","4","9","1") = "8"
    & skf18("8","7","4","5","4","10","1") = "9"
    & skf18("8","7","4","5","5","1","1") = "7"
    & skf18("8","7","4","5","5","2","1") = "7"
    & skf18("8","7","4","5","5","3","1") = "7"
    & skf18("8","7","4","5","5","4","1") = "7"
    & skf18("8","7","4","5","5","5","1") = "7"
    & skf18("8","7","4","5","5","6","1") = "7"
    & skf18("8","7","4","5","5","7","1") = "7"
    & skf18("8","7","4","5","5","8","1") = "7"
    & skf18("8","7","4","5","5","9","1") = "8"
    & skf18("8","7","4","5","5","10","1") = "9"
    & skf18("8","7","4","5","6","1","1") = "7"
    & skf18("8","7","4","5","6","2","1") = "7"
    & skf18("8","7","4","5","6","3","1") = "7"
    & skf18("8","7","4","5","6","4","1") = "7"
    & skf18("8","7","4","5","6","5","1") = "7"
    & skf18("8","7","4","5","6","6","1") = "7"
    & skf18("8","7","4","5","6","7","1") = "7"
    & skf18("8","7","4","5","6","8","1") = "7"
    & skf18("8","7","4","5","6","9","1") = "8"
    & skf18("8","7","4","5","6","10","1") = "9"
    & skf18("8","7","4","5","7","1","1") = "7"
    & skf18("8","7","4","5","7","2","1") = "7"
    & skf18("8","7","4","5","7","3","1") = "7"
    & skf18("8","7","4","5","7","4","1") = "7"
    & skf18("8","7","4","5","7","5","1") = "7"
    & skf18("8","7","4","5","7","6","1") = "7"
    & skf18("8","7","4","5","7","7","1") = "7"
    & skf18("8","7","4","5","7","8","1") = "7"
    & skf18("8","7","4","5","7","9","1") = "8"
    & skf18("8","7","4","5","7","10","1") = "9"
    & skf18("8","7","4","5","8","1","1") = "7"
    & skf18("8","7","4","5","8","2","1") = "7"
    & skf18("8","7","4","5","8","3","1") = "7"
    & skf18("8","7","4","5","8","4","1") = "7"
    & skf18("8","7","4","5","8","5","1") = "7"
    & skf18("8","7","4","5","8","6","1") = "7"
    & skf18("8","7","4","5","8","7","1") = "7"
    & skf18("8","7","4","5","8","8","1") = "7"
    & skf18("8","7","4","5","8","9","1") = "8"
    & skf18("8","7","4","5","8","10","1") = "9"
    & skf18("8","7","4","5","9","1","1") = "8"
    & skf18("8","7","4","5","9","2","1") = "8"
    & skf18("8","7","4","5","9","3","1") = "8"
    & skf18("8","7","4","5","9","4","1") = "8"
    & skf18("8","7","4","5","9","5","1") = "8"
    & skf18("8","7","4","5","9","6","1") = "8"
    & skf18("8","7","4","5","9","7","1") = "8"
    & skf18("8","7","4","5","9","8","1") = "8"
    & skf18("8","7","4","5","9","9","1") = "8"
    & skf18("8","7","4","5","9","10","1") = "9"
    & skf18("8","7","4","5","10","1","1") = "9"
    & skf18("8","7","4","5","10","2","1") = "9"
    & skf18("8","7","4","5","10","3","1") = "9"
    & skf18("8","7","4","5","10","4","1") = "9"
    & skf18("8","7","4","5","10","5","1") = "9"
    & skf18("8","7","4","5","10","6","1") = "9"
    & skf18("8","7","4","5","10","7","1") = "9"
    & skf18("8","7","4","5","10","8","1") = "9"
    & skf18("8","7","4","5","10","9","1") = "9"
    & skf18("8","7","4","5","10","10","1") = "9"
    & skf18("8","7","4","6","1","1","1") = "7"
    & skf18("8","7","4","6","1","2","1") = "7"
    & skf18("8","7","4","6","1","3","1") = "7"
    & skf18("8","7","4","6","1","4","1") = "7"
    & skf18("8","7","4","6","1","5","1") = "7"
    & skf18("8","7","4","6","1","6","1") = "7"
    & skf18("8","7","4","6","1","7","1") = "7"
    & skf18("8","7","4","6","1","8","1") = "7"
    & skf18("8","7","4","6","1","9","1") = "8"
    & skf18("8","7","4","6","1","10","1") = "9"
    & skf18("8","7","4","6","2","1","1") = "7"
    & skf18("8","7","4","6","2","2","1") = "7"
    & skf18("8","7","4","6","2","3","1") = "7"
    & skf18("8","7","4","6","2","4","1") = "7"
    & skf18("8","7","4","6","2","5","1") = "7"
    & skf18("8","7","4","6","2","6","1") = "7"
    & skf18("8","7","4","6","2","7","1") = "7"
    & skf18("8","7","4","6","2","8","1") = "7"
    & skf18("8","7","4","6","2","9","1") = "8"
    & skf18("8","7","4","6","2","10","1") = "9"
    & skf18("8","7","4","6","3","1","1") = "7"
    & skf18("8","7","4","6","3","2","1") = "7"
    & skf18("8","7","4","6","3","3","1") = "7"
    & skf18("8","7","4","6","3","4","1") = "7"
    & skf18("8","7","4","6","3","5","1") = "7"
    & skf18("8","7","4","6","3","6","1") = "7"
    & skf18("8","7","4","6","3","7","1") = "7"
    & skf18("8","7","4","6","3","8","1") = "7"
    & skf18("8","7","4","6","3","9","1") = "8"
    & skf18("8","7","4","6","3","10","1") = "9"
    & skf18("8","7","4","6","4","1","1") = "7"
    & skf18("8","7","4","6","4","2","1") = "7"
    & skf18("8","7","4","6","4","3","1") = "7"
    & skf18("8","7","4","6","4","4","1") = "7"
    & skf18("8","7","4","6","4","5","1") = "7"
    & skf18("8","7","4","6","4","6","1") = "7"
    & skf18("8","7","4","6","4","7","1") = "7"
    & skf18("8","7","4","6","4","8","1") = "7"
    & skf18("8","7","4","6","4","9","1") = "8"
    & skf18("8","7","4","6","4","10","1") = "9"
    & skf18("8","7","4","6","5","1","1") = "7"
    & skf18("8","7","4","6","5","2","1") = "7"
    & skf18("8","7","4","6","5","3","1") = "7"
    & skf18("8","7","4","6","5","4","1") = "7"
    & skf18("8","7","4","6","5","5","1") = "7"
    & skf18("8","7","4","6","5","6","1") = "7"
    & skf18("8","7","4","6","5","7","1") = "7"
    & skf18("8","7","4","6","5","8","1") = "7"
    & skf18("8","7","4","6","5","9","1") = "8"
    & skf18("8","7","4","6","5","10","1") = "9"
    & skf18("8","7","4","6","6","1","1") = "7"
    & skf18("8","7","4","6","6","2","1") = "7"
    & skf18("8","7","4","6","6","3","1") = "7"
    & skf18("8","7","4","6","6","4","1") = "7"
    & skf18("8","7","4","6","6","5","1") = "7"
    & skf18("8","7","4","6","6","6","1") = "7"
    & skf18("8","7","4","6","6","7","1") = "7"
    & skf18("8","7","4","6","6","8","1") = "7"
    & skf18("8","7","4","6","6","9","1") = "8"
    & skf18("8","7","4","6","6","10","1") = "9"
    & skf18("8","7","4","6","7","1","1") = "7"
    & skf18("8","7","4","6","7","2","1") = "7"
    & skf18("8","7","4","6","7","3","1") = "7"
    & skf18("8","7","4","6","7","4","1") = "7"
    & skf18("8","7","4","6","7","5","1") = "7"
    & skf18("8","7","4","6","7","6","1") = "7"
    & skf18("8","7","4","6","7","7","1") = "7"
    & skf18("8","7","4","6","7","8","1") = "7"
    & skf18("8","7","4","6","7","9","1") = "8"
    & skf18("8","7","4","6","7","10","1") = "9"
    & skf18("8","7","4","6","8","1","1") = "7"
    & skf18("8","7","4","6","8","2","1") = "7"
    & skf18("8","7","4","6","8","3","1") = "7"
    & skf18("8","7","4","6","8","4","1") = "7"
    & skf18("8","7","4","6","8","5","1") = "7"
    & skf18("8","7","4","6","8","6","1") = "7"
    & skf18("8","7","4","6","8","7","1") = "7"
    & skf18("8","7","4","6","8","8","1") = "7"
    & skf18("8","7","4","6","8","9","1") = "8"
    & skf18("8","7","4","6","8","10","1") = "9"
    & skf18("8","7","4","6","9","1","1") = "8"
    & skf18("8","7","4","6","9","2","1") = "8"
    & skf18("8","7","4","6","9","3","1") = "8"
    & skf18("8","7","4","6","9","4","1") = "8"
    & skf18("8","7","4","6","9","5","1") = "8"
    & skf18("8","7","4","6","9","6","1") = "8"
    & skf18("8","7","4","6","9","7","1") = "8"
    & skf18("8","7","4","6","9","8","1") = "8"
    & skf18("8","7","4","6","9","9","1") = "8"
    & skf18("8","7","4","6","9","10","1") = "9"
    & skf18("8","7","4","6","10","1","1") = "9"
    & skf18("8","7","4","6","10","2","1") = "9"
    & skf18("8","7","4","6","10","3","1") = "9"
    & skf18("8","7","4","6","10","4","1") = "9"
    & skf18("8","7","4","6","10","5","1") = "9"
    & skf18("8","7","4","6","10","6","1") = "9"
    & skf18("8","7","4","6","10","7","1") = "9"
    & skf18("8","7","4","6","10","8","1") = "9"
    & skf18("8","7","4","6","10","9","1") = "9"
    & skf18("8","7","4","6","10","10","1") = "9"
    & skf18("8","7","4","7","1","1","1") = "7"
    & skf18("8","7","4","7","1","2","1") = "7"
    & skf18("8","7","4","7","1","3","1") = "7"
    & skf18("8","7","4","7","1","4","1") = "7"
    & skf18("8","7","4","7","1","5","1") = "7"
    & skf18("8","7","4","7","1","6","1") = "7"
    & skf18("8","7","4","7","1","7","1") = "7"
    & skf18("8","7","4","7","1","8","1") = "7"
    & skf18("8","7","4","7","1","9","1") = "8"
    & skf18("8","7","4","7","1","10","1") = "9"
    & skf18("8","7","4","7","2","1","1") = "7"
    & skf18("8","7","4","7","2","2","1") = "7"
    & skf18("8","7","4","7","2","3","1") = "7"
    & skf18("8","7","4","7","2","4","1") = "7"
    & skf18("8","7","4","7","2","5","1") = "7"
    & skf18("8","7","4","7","2","6","1") = "7"
    & skf18("8","7","4","7","2","7","1") = "7"
    & skf18("8","7","4","7","2","8","1") = "7"
    & skf18("8","7","4","7","2","9","1") = "8"
    & skf18("8","7","4","7","2","10","1") = "9"
    & skf18("8","7","4","7","3","1","1") = "7"
    & skf18("8","7","4","7","3","2","1") = "7"
    & skf18("8","7","4","7","3","3","1") = "7"
    & skf18("8","7","4","7","3","4","1") = "7"
    & skf18("8","7","4","7","3","5","1") = "7"
    & skf18("8","7","4","7","3","6","1") = "7"
    & skf18("8","7","4","7","3","7","1") = "7"
    & skf18("8","7","4","7","3","8","1") = "7"
    & skf18("8","7","4","7","3","9","1") = "8"
    & skf18("8","7","4","7","3","10","1") = "9"
    & skf18("8","7","4","7","4","1","1") = "7"
    & skf18("8","7","4","7","4","2","1") = "7"
    & skf18("8","7","4","7","4","3","1") = "7"
    & skf18("8","7","4","7","4","4","1") = "7"
    & skf18("8","7","4","7","4","5","1") = "7"
    & skf18("8","7","4","7","4","6","1") = "7"
    & skf18("8","7","4","7","4","7","1") = "7"
    & skf18("8","7","4","7","4","8","1") = "7"
    & skf18("8","7","4","7","4","9","1") = "8"
    & skf18("8","7","4","7","4","10","1") = "9"
    & skf18("8","7","4","7","5","1","1") = "7"
    & skf18("8","7","4","7","5","2","1") = "7"
    & skf18("8","7","4","7","5","3","1") = "7"
    & skf18("8","7","4","7","5","4","1") = "7"
    & skf18("8","7","4","7","5","5","1") = "7"
    & skf18("8","7","4","7","5","6","1") = "7"
    & skf18("8","7","4","7","5","7","1") = "7"
    & skf18("8","7","4","7","5","8","1") = "7"
    & skf18("8","7","4","7","5","9","1") = "8"
    & skf18("8","7","4","7","5","10","1") = "9"
    & skf18("8","7","4","7","6","1","1") = "7"
    & skf18("8","7","4","7","6","2","1") = "7"
    & skf18("8","7","4","7","6","3","1") = "7"
    & skf18("8","7","4","7","6","4","1") = "7"
    & skf18("8","7","4","7","6","5","1") = "7"
    & skf18("8","7","4","7","6","6","1") = "7"
    & skf18("8","7","4","7","6","7","1") = "7"
    & skf18("8","7","4","7","6","8","1") = "7"
    & skf18("8","7","4","7","6","9","1") = "8"
    & skf18("8","7","4","7","6","10","1") = "9"
    & skf18("8","7","4","7","7","1","1") = "7"
    & skf18("8","7","4","7","7","2","1") = "7"
    & skf18("8","7","4","7","7","3","1") = "7"
    & skf18("8","7","4","7","7","4","1") = "7"
    & skf18("8","7","4","7","7","5","1") = "7"
    & skf18("8","7","4","7","7","6","1") = "7"
    & skf18("8","7","4","7","7","7","1") = "7"
    & skf18("8","7","4","7","7","8","1") = "7"
    & skf18("8","7","4","7","7","9","1") = "8"
    & skf18("8","7","4","7","7","10","1") = "9"
    & skf18("8","7","4","7","8","1","1") = "7"
    & skf18("8","7","4","7","8","2","1") = "7"
    & skf18("8","7","4","7","8","3","1") = "7"
    & skf18("8","7","4","7","8","4","1") = "7"
    & skf18("8","7","4","7","8","5","1") = "7"
    & skf18("8","7","4","7","8","6","1") = "7"
    & skf18("8","7","4","7","8","7","1") = "7"
    & skf18("8","7","4","7","8","8","1") = "7"
    & skf18("8","7","4","7","8","9","1") = "8"
    & skf18("8","7","4","7","8","10","1") = "9"
    & skf18("8","7","4","7","9","1","1") = "8"
    & skf18("8","7","4","7","9","2","1") = "8"
    & skf18("8","7","4","7","9","3","1") = "8"
    & skf18("8","7","4","7","9","4","1") = "8"
    & skf18("8","7","4","7","9","5","1") = "8"
    & skf18("8","7","4","7","9","6","1") = "8"
    & skf18("8","7","4","7","9","7","1") = "8"
    & skf18("8","7","4","7","9","8","1") = "8"
    & skf18("8","7","4","7","9","9","1") = "8"
    & skf18("8","7","4","7","9","10","1") = "9"
    & skf18("8","7","4","7","10","1","1") = "9"
    & skf18("8","7","4","7","10","2","1") = "9"
    & skf18("8","7","4","7","10","3","1") = "9"
    & skf18("8","7","4","7","10","4","1") = "9"
    & skf18("8","7","4","7","10","5","1") = "9"
    & skf18("8","7","4","7","10","6","1") = "9"
    & skf18("8","7","4","7","10","7","1") = "9"
    & skf18("8","7","4","7","10","8","1") = "9"
    & skf18("8","7","4","7","10","9","1") = "9"
    & skf18("8","7","4","7","10","10","1") = "9"
    & skf18("8","7","4","8","1","1","1") = "7"
    & skf18("8","7","4","8","1","2","1") = "7"
    & skf18("8","7","4","8","1","3","1") = "7"
    & skf18("8","7","4","8","1","4","1") = "7"
    & skf18("8","7","4","8","1","5","1") = "7"
    & skf18("8","7","4","8","1","6","1") = "7"
    & skf18("8","7","4","8","1","7","1") = "7"
    & skf18("8","7","4","8","1","8","1") = "7"
    & skf18("8","7","4","8","1","9","1") = "8"
    & skf18("8","7","4","8","1","10","1") = "9"
    & skf18("8","7","4","8","2","1","1") = "7"
    & skf18("8","7","4","8","2","2","1") = "7"
    & skf18("8","7","4","8","2","3","1") = "7"
    & skf18("8","7","4","8","2","4","1") = "7"
    & skf18("8","7","4","8","2","5","1") = "7"
    & skf18("8","7","4","8","2","6","1") = "7"
    & skf18("8","7","4","8","2","7","1") = "7"
    & skf18("8","7","4","8","2","8","1") = "7"
    & skf18("8","7","4","8","2","9","1") = "8"
    & skf18("8","7","4","8","2","10","1") = "9"
    & skf18("8","7","4","8","3","1","1") = "7"
    & skf18("8","7","4","8","3","2","1") = "7"
    & skf18("8","7","4","8","3","3","1") = "7"
    & skf18("8","7","4","8","3","4","1") = "7"
    & skf18("8","7","4","8","3","5","1") = "7"
    & skf18("8","7","4","8","3","6","1") = "7"
    & skf18("8","7","4","8","3","7","1") = "7"
    & skf18("8","7","4","8","3","8","1") = "7"
    & skf18("8","7","4","8","3","9","1") = "8"
    & skf18("8","7","4","8","3","10","1") = "9"
    & skf18("8","7","4","8","4","1","1") = "7"
    & skf18("8","7","4","8","4","2","1") = "7"
    & skf18("8","7","4","8","4","3","1") = "7"
    & skf18("8","7","4","8","4","4","1") = "7"
    & skf18("8","7","4","8","4","5","1") = "7"
    & skf18("8","7","4","8","4","6","1") = "7"
    & skf18("8","7","4","8","4","7","1") = "7"
    & skf18("8","7","4","8","4","8","1") = "7"
    & skf18("8","7","4","8","4","9","1") = "8"
    & skf18("8","7","4","8","4","10","1") = "9"
    & skf18("8","7","4","8","5","1","1") = "7"
    & skf18("8","7","4","8","5","2","1") = "7"
    & skf18("8","7","4","8","5","3","1") = "7"
    & skf18("8","7","4","8","5","4","1") = "7"
    & skf18("8","7","4","8","5","5","1") = "7"
    & skf18("8","7","4","8","5","6","1") = "7"
    & skf18("8","7","4","8","5","7","1") = "7"
    & skf18("8","7","4","8","5","8","1") = "7"
    & skf18("8","7","4","8","5","9","1") = "8"
    & skf18("8","7","4","8","5","10","1") = "9"
    & skf18("8","7","4","8","6","1","1") = "7"
    & skf18("8","7","4","8","6","2","1") = "7"
    & skf18("8","7","4","8","6","3","1") = "7"
    & skf18("8","7","4","8","6","4","1") = "7"
    & skf18("8","7","4","8","6","5","1") = "7"
    & skf18("8","7","4","8","6","6","1") = "7"
    & skf18("8","7","4","8","6","7","1") = "7"
    & skf18("8","7","4","8","6","8","1") = "7"
    & skf18("8","7","4","8","6","9","1") = "8"
    & skf18("8","7","4","8","6","10","1") = "9"
    & skf18("8","7","4","8","7","1","1") = "7"
    & skf18("8","7","4","8","7","2","1") = "7"
    & skf18("8","7","4","8","7","3","1") = "7"
    & skf18("8","7","4","8","7","4","1") = "7"
    & skf18("8","7","4","8","7","5","1") = "7"
    & skf18("8","7","4","8","7","6","1") = "7"
    & skf18("8","7","4","8","7","7","1") = "7"
    & skf18("8","7","4","8","7","8","1") = "7"
    & skf18("8","7","4","8","7","9","1") = "8"
    & skf18("8","7","4","8","7","10","1") = "9"
    & skf18("8","7","4","8","8","1","1") = "7"
    & skf18("8","7","4","8","8","2","1") = "7"
    & skf18("8","7","4","8","8","3","1") = "7"
    & skf18("8","7","4","8","8","4","1") = "7"
    & skf18("8","7","4","8","8","5","1") = "7"
    & skf18("8","7","4","8","8","6","1") = "7"
    & skf18("8","7","4","8","8","7","1") = "7"
    & skf18("8","7","4","8","8","8","1") = "7"
    & skf18("8","7","4","8","8","9","1") = "8"
    & skf18("8","7","4","8","8","10","1") = "9"
    & skf18("8","7","4","8","9","1","1") = "8"
    & skf18("8","7","4","8","9","2","1") = "8"
    & skf18("8","7","4","8","9","3","1") = "8"
    & skf18("8","7","4","8","9","4","1") = "8"
    & skf18("8","7","4","8","9","5","1") = "8"
    & skf18("8","7","4","8","9","6","1") = "8"
    & skf18("8","7","4","8","9","7","1") = "8"
    & skf18("8","7","4","8","9","8","1") = "8"
    & skf18("8","7","4","8","9","9","1") = "8"
    & skf18("8","7","4","8","9","10","1") = "9"
    & skf18("8","7","4","8","10","1","1") = "9"
    & skf18("8","7","4","8","10","2","1") = "9"
    & skf18("8","7","4","8","10","3","1") = "9"
    & skf18("8","7","4","8","10","4","1") = "9"
    & skf18("8","7","4","8","10","5","1") = "9"
    & skf18("8","7","4","8","10","6","1") = "9"
    & skf18("8","7","4","8","10","7","1") = "9"
    & skf18("8","7","4","8","10","8","1") = "9"
    & skf18("8","7","4","8","10","9","1") = "9"
    & skf18("8","7","4","8","10","10","1") = "9"
    & skf18("8","7","4","9","1","1","1") = "8"
    & skf18("8","7","4","9","1","2","1") = "8"
    & skf18("8","7","4","9","1","3","1") = "8"
    & skf18("8","7","4","9","1","4","1") = "8"
    & skf18("8","7","4","9","1","5","1") = "8"
    & skf18("8","7","4","9","1","6","1") = "8"
    & skf18("8","7","4","9","1","7","1") = "8"
    & skf18("8","7","4","9","1","8","1") = "8"
    & skf18("8","7","4","9","1","9","1") = "8"
    & skf18("8","7","4","9","1","10","1") = "9"
    & skf18("8","7","4","9","2","1","1") = "8"
    & skf18("8","7","4","9","2","2","1") = "8"
    & skf18("8","7","4","9","2","3","1") = "8"
    & skf18("8","7","4","9","2","4","1") = "8"
    & skf18("8","7","4","9","2","5","1") = "8"
    & skf18("8","7","4","9","2","6","1") = "8"
    & skf18("8","7","4","9","2","7","1") = "8"
    & skf18("8","7","4","9","2","8","1") = "8"
    & skf18("8","7","4","9","2","9","1") = "8"
    & skf18("8","7","4","9","2","10","1") = "9"
    & skf18("8","7","4","9","3","1","1") = "8"
    & skf18("8","7","4","9","3","2","1") = "8"
    & skf18("8","7","4","9","3","3","1") = "8"
    & skf18("8","7","4","9","3","4","1") = "8"
    & skf18("8","7","4","9","3","5","1") = "8"
    & skf18("8","7","4","9","3","6","1") = "8"
    & skf18("8","7","4","9","3","7","1") = "8"
    & skf18("8","7","4","9","3","8","1") = "8"
    & skf18("8","7","4","9","3","9","1") = "8"
    & skf18("8","7","4","9","3","10","1") = "9"
    & skf18("8","7","4","9","4","1","1") = "8"
    & skf18("8","7","4","9","4","2","1") = "8"
    & skf18("8","7","4","9","4","3","1") = "8"
    & skf18("8","7","4","9","4","4","1") = "8"
    & skf18("8","7","4","9","4","5","1") = "8"
    & skf18("8","7","4","9","4","6","1") = "8"
    & skf18("8","7","4","9","4","7","1") = "8"
    & skf18("8","7","4","9","4","8","1") = "8"
    & skf18("8","7","4","9","4","9","1") = "8"
    & skf18("8","7","4","9","4","10","1") = "9"
    & skf18("8","7","4","9","5","1","1") = "8"
    & skf18("8","7","4","9","5","2","1") = "8"
    & skf18("8","7","4","9","5","3","1") = "8"
    & skf18("8","7","4","9","5","4","1") = "8"
    & skf18("8","7","4","9","5","5","1") = "8"
    & skf18("8","7","4","9","5","6","1") = "8"
    & skf18("8","7","4","9","5","7","1") = "8"
    & skf18("8","7","4","9","5","8","1") = "8"
    & skf18("8","7","4","9","5","9","1") = "8"
    & skf18("8","7","4","9","5","10","1") = "9"
    & skf18("8","7","4","9","6","1","1") = "8"
    & skf18("8","7","4","9","6","2","1") = "8"
    & skf18("8","7","4","9","6","3","1") = "8"
    & skf18("8","7","4","9","6","4","1") = "8"
    & skf18("8","7","4","9","6","5","1") = "8"
    & skf18("8","7","4","9","6","6","1") = "8"
    & skf18("8","7","4","9","6","7","1") = "8"
    & skf18("8","7","4","9","6","8","1") = "8"
    & skf18("8","7","4","9","6","9","1") = "8"
    & skf18("8","7","4","9","6","10","1") = "9"
    & skf18("8","7","4","9","7","1","1") = "8"
    & skf18("8","7","4","9","7","2","1") = "8"
    & skf18("8","7","4","9","7","3","1") = "8"
    & skf18("8","7","4","9","7","4","1") = "8"
    & skf18("8","7","4","9","7","5","1") = "8"
    & skf18("8","7","4","9","7","6","1") = "8"
    & skf18("8","7","4","9","7","7","1") = "8"
    & skf18("8","7","4","9","7","8","1") = "8"
    & skf18("8","7","4","9","7","9","1") = "8"
    & skf18("8","7","4","9","7","10","1") = "9"
    & skf18("8","7","4","9","8","1","1") = "8"
    & skf18("8","7","4","9","8","2","1") = "8"
    & skf18("8","7","4","9","8","3","1") = "8"
    & skf18("8","7","4","9","8","4","1") = "8"
    & skf18("8","7","4","9","8","5","1") = "8"
    & skf18("8","7","4","9","8","6","1") = "8"
    & skf18("8","7","4","9","8","7","1") = "8"
    & skf18("8","7","4","9","8","8","1") = "8"
    & skf18("8","7","4","9","8","9","1") = "8"
    & skf18("8","7","4","9","8","10","1") = "9"
    & skf18("8","7","4","9","9","1","1") = "8"
    & skf18("8","7","4","9","9","2","1") = "8"
    & skf18("8","7","4","9","9","3","1") = "8"
    & skf18("8","7","4","9","9","4","1") = "8"
    & skf18("8","7","4","9","9","5","1") = "8"
    & skf18("8","7","4","9","9","6","1") = "8"
    & skf18("8","7","4","9","9","7","1") = "8"
    & skf18("8","7","4","9","9","8","1") = "8"
    & skf18("8","7","4","9","9","9","1") = "8"
    & skf18("8","7","4","9","9","10","1") = "9"
    & skf18("8","7","4","9","10","1","1") = "9"
    & skf18("8","7","4","9","10","2","1") = "9"
    & skf18("8","7","4","9","10","3","1") = "9"
    & skf18("8","7","4","9","10","4","1") = "9"
    & skf18("8","7","4","9","10","5","1") = "9"
    & skf18("8","7","4","9","10","6","1") = "9"
    & skf18("8","7","4","9","10","7","1") = "9"
    & skf18("8","7","4","9","10","8","1") = "9"
    & skf18("8","7","4","9","10","9","1") = "9"
    & skf18("8","7","4","9","10","10","1") = "9"
    & skf18("8","7","4","10","1","1","1") = "9"
    & skf18("8","7","4","10","1","2","1") = "9"
    & skf18("8","7","4","10","1","3","1") = "9"
    & skf18("8","7","4","10","1","4","1") = "9"
    & skf18("8","7","4","10","1","5","1") = "9"
    & skf18("8","7","4","10","1","6","1") = "9"
    & skf18("8","7","4","10","1","7","1") = "9"
    & skf18("8","7","4","10","1","8","1") = "9"
    & skf18("8","7","4","10","1","9","1") = "9"
    & skf18("8","7","4","10","1","10","1") = "9"
    & skf18("8","7","4","10","2","1","1") = "9"
    & skf18("8","7","4","10","2","2","1") = "9"
    & skf18("8","7","4","10","2","3","1") = "9"
    & skf18("8","7","4","10","2","4","1") = "9"
    & skf18("8","7","4","10","2","5","1") = "9"
    & skf18("8","7","4","10","2","6","1") = "9"
    & skf18("8","7","4","10","2","7","1") = "9"
    & skf18("8","7","4","10","2","8","1") = "9"
    & skf18("8","7","4","10","2","9","1") = "9"
    & skf18("8","7","4","10","2","10","1") = "9"
    & skf18("8","7","4","10","3","1","1") = "9"
    & skf18("8","7","4","10","3","2","1") = "9"
    & skf18("8","7","4","10","3","3","1") = "9"
    & skf18("8","7","4","10","3","4","1") = "9"
    & skf18("8","7","4","10","3","5","1") = "9"
    & skf18("8","7","4","10","3","6","1") = "9"
    & skf18("8","7","4","10","3","7","1") = "9"
    & skf18("8","7","4","10","3","8","1") = "9"
    & skf18("8","7","4","10","3","9","1") = "9"
    & skf18("8","7","4","10","3","10","1") = "9"
    & skf18("8","7","4","10","4","1","1") = "9"
    & skf18("8","7","4","10","4","2","1") = "9"
    & skf18("8","7","4","10","4","3","1") = "9"
    & skf18("8","7","4","10","4","4","1") = "9"
    & skf18("8","7","4","10","4","5","1") = "9"
    & skf18("8","7","4","10","4","6","1") = "9"
    & skf18("8","7","4","10","4","7","1") = "9"
    & skf18("8","7","4","10","4","8","1") = "9"
    & skf18("8","7","4","10","4","9","1") = "9"
    & skf18("8","7","4","10","4","10","1") = "9"
    & skf18("8","7","4","10","5","1","1") = "9"
    & skf18("8","7","4","10","5","2","1") = "9"
    & skf18("8","7","4","10","5","3","1") = "9"
    & skf18("8","7","4","10","5","4","1") = "9"
    & skf18("8","7","4","10","5","5","1") = "9"
    & skf18("8","7","4","10","5","6","1") = "9"
    & skf18("8","7","4","10","5","7","1") = "9"
    & skf18("8","7","4","10","5","8","1") = "9"
    & skf18("8","7","4","10","5","9","1") = "9"
    & skf18("8","7","4","10","5","10","1") = "9"
    & skf18("8","7","4","10","6","1","1") = "9"
    & skf18("8","7","4","10","6","2","1") = "9"
    & skf18("8","7","4","10","6","3","1") = "9"
    & skf18("8","7","4","10","6","4","1") = "9"
    & skf18("8","7","4","10","6","5","1") = "9"
    & skf18("8","7","4","10","6","6","1") = "9"
    & skf18("8","7","4","10","6","7","1") = "9"
    & skf18("8","7","4","10","6","8","1") = "9"
    & skf18("8","7","4","10","6","9","1") = "9"
    & skf18("8","7","4","10","6","10","1") = "9"
    & skf18("8","7","4","10","7","1","1") = "9"
    & skf18("8","7","4","10","7","2","1") = "9"
    & skf18("8","7","4","10","7","3","1") = "9"
    & skf18("8","7","4","10","7","4","1") = "9"
    & skf18("8","7","4","10","7","5","1") = "9"
    & skf18("8","7","4","10","7","6","1") = "9"
    & skf18("8","7","4","10","7","7","1") = "9"
    & skf18("8","7","4","10","7","8","1") = "9"
    & skf18("8","7","4","10","7","9","1") = "9"
    & skf18("8","7","4","10","7","10","1") = "9"
    & skf18("8","7","4","10","8","1","1") = "9"
    & skf18("8","7","4","10","8","2","1") = "9"
    & skf18("8","7","4","10","8","3","1") = "9"
    & skf18("8","7","4","10","8","4","1") = "9"
    & skf18("8","7","4","10","8","5","1") = "9"
    & skf18("8","7","4","10","8","6","1") = "9"
    & skf18("8","7","4","10","8","7","1") = "9"
    & skf18("8","7","4","10","8","8","1") = "9"
    & skf18("8","7","4","10","8","9","1") = "9"
    & skf18("8","7","4","10","8","10","1") = "9"
    & skf18("8","7","4","10","9","1","1") = "9"
    & skf18("8","7","4","10","9","2","1") = "9"
    & skf18("8","7","4","10","9","3","1") = "9"
    & skf18("8","7","4","10","9","4","1") = "9"
    & skf18("8","7","4","10","9","5","1") = "9"
    & skf18("8","7","4","10","9","6","1") = "9"
    & skf18("8","7","4","10","9","7","1") = "9"
    & skf18("8","7","4","10","9","8","1") = "9"
    & skf18("8","7","4","10","9","9","1") = "9"
    & skf18("8","7","4","10","9","10","1") = "9"
    & skf18("8","7","4","10","10","1","1") = "9"
    & skf18("8","7","4","10","10","2","1") = "9"
    & skf18("8","7","4","10","10","3","1") = "9"
    & skf18("8","7","4","10","10","4","1") = "9"
    & skf18("8","7","4","10","10","5","1") = "9"
    & skf18("8","7","4","10","10","6","1") = "9"
    & skf18("8","7","4","10","10","7","1") = "9"
    & skf18("8","7","4","10","10","8","1") = "9"
    & skf18("8","7","4","10","10","9","1") = "9"
    & skf18("8","7","4","10","10","10","1") = "9"
    & skf18("8","7","5","1","1","1","1") = "7"
    & skf18("8","7","5","1","1","2","1") = "7"
    & skf18("8","7","5","1","1","3","1") = "7"
    & skf18("8","7","5","1","1","4","1") = "7"
    & skf18("8","7","5","1","1","5","1") = "7"
    & skf18("8","7","5","1","1","6","1") = "7"
    & skf18("8","7","5","1","1","7","1") = "7"
    & skf18("8","7","5","1","1","8","1") = "7"
    & skf18("8","7","5","1","1","9","1") = "8"
    & skf18("8","7","5","1","1","10","1") = "9"
    & skf18("8","7","5","1","2","1","1") = "7"
    & skf18("8","7","5","1","2","2","1") = "7"
    & skf18("8","7","5","1","2","3","1") = "7"
    & skf18("8","7","5","1","2","4","1") = "7"
    & skf18("8","7","5","1","2","5","1") = "7"
    & skf18("8","7","5","1","2","6","1") = "7"
    & skf18("8","7","5","1","2","7","1") = "7"
    & skf18("8","7","5","1","2","8","1") = "7"
    & skf18("8","7","5","1","2","9","1") = "8"
    & skf18("8","7","5","1","2","10","1") = "9"
    & skf18("8","7","5","1","3","1","1") = "7"
    & skf18("8","7","5","1","3","2","1") = "7"
    & skf18("8","7","5","1","3","3","1") = "7"
    & skf18("8","7","5","1","3","4","1") = "7"
    & skf18("8","7","5","1","3","5","1") = "7"
    & skf18("8","7","5","1","3","6","1") = "7"
    & skf18("8","7","5","1","3","7","1") = "7"
    & skf18("8","7","5","1","3","8","1") = "7"
    & skf18("8","7","5","1","3","9","1") = "8"
    & skf18("8","7","5","1","3","10","1") = "9"
    & skf18("8","7","5","1","4","1","1") = "7"
    & skf18("8","7","5","1","4","2","1") = "7"
    & skf18("8","7","5","1","4","3","1") = "7"
    & skf18("8","7","5","1","4","4","1") = "7"
    & skf18("8","7","5","1","4","5","1") = "7"
    & skf18("8","7","5","1","4","6","1") = "7"
    & skf18("8","7","5","1","4","7","1") = "7"
    & skf18("8","7","5","1","4","8","1") = "7"
    & skf18("8","7","5","1","4","9","1") = "8"
    & skf18("8","7","5","1","4","10","1") = "9"
    & skf18("8","7","5","1","5","1","1") = "7"
    & skf18("8","7","5","1","5","2","1") = "7"
    & skf18("8","7","5","1","5","3","1") = "7"
    & skf18("8","7","5","1","5","4","1") = "7"
    & skf18("8","7","5","1","5","5","1") = "7"
    & skf18("8","7","5","1","5","6","1") = "7"
    & skf18("8","7","5","1","5","7","1") = "7"
    & skf18("8","7","5","1","5","8","1") = "7"
    & skf18("8","7","5","1","5","9","1") = "8"
    & skf18("8","7","5","1","5","10","1") = "9"
    & skf18("8","7","5","1","6","1","1") = "7"
    & skf18("8","7","5","1","6","2","1") = "7"
    & skf18("8","7","5","1","6","3","1") = "7"
    & skf18("8","7","5","1","6","4","1") = "7"
    & skf18("8","7","5","1","6","5","1") = "7"
    & skf18("8","7","5","1","6","6","1") = "7"
    & skf18("8","7","5","1","6","7","1") = "7"
    & skf18("8","7","5","1","6","8","1") = "7"
    & skf18("8","7","5","1","6","9","1") = "8"
    & skf18("8","7","5","1","6","10","1") = "9"
    & skf18("8","7","5","1","7","1","1") = "7"
    & skf18("8","7","5","1","7","2","1") = "7"
    & skf18("8","7","5","1","7","3","1") = "7"
    & skf18("8","7","5","1","7","4","1") = "7"
    & skf18("8","7","5","1","7","5","1") = "7"
    & skf18("8","7","5","1","7","6","1") = "7"
    & skf18("8","7","5","1","7","7","1") = "7"
    & skf18("8","7","5","1","7","8","1") = "7"
    & skf18("8","7","5","1","7","9","1") = "8"
    & skf18("8","7","5","1","7","10","1") = "9"
    & skf18("8","7","5","1","8","1","1") = "7"
    & skf18("8","7","5","1","8","2","1") = "7"
    & skf18("8","7","5","1","8","3","1") = "7"
    & skf18("8","7","5","1","8","4","1") = "7"
    & skf18("8","7","5","1","8","5","1") = "7"
    & skf18("8","7","5","1","8","6","1") = "7"
    & skf18("8","7","5","1","8","7","1") = "7"
    & skf18("8","7","5","1","8","8","1") = "7"
    & skf18("8","7","5","1","8","9","1") = "8"
    & skf18("8","7","5","1","8","10","1") = "9"
    & skf18("8","7","5","1","9","1","1") = "8"
    & skf18("8","7","5","1","9","2","1") = "8"
    & skf18("8","7","5","1","9","3","1") = "8"
    & skf18("8","7","5","1","9","4","1") = "8"
    & skf18("8","7","5","1","9","5","1") = "8"
    & skf18("8","7","5","1","9","6","1") = "8"
    & skf18("8","7","5","1","9","7","1") = "8"
    & skf18("8","7","5","1","9","8","1") = "8"
    & skf18("8","7","5","1","9","9","1") = "8"
    & skf18("8","7","5","1","9","10","1") = "9"
    & skf18("8","7","5","1","10","1","1") = "9"
    & skf18("8","7","5","1","10","2","1") = "9"
    & skf18("8","7","5","1","10","3","1") = "9"
    & skf18("8","7","5","1","10","4","1") = "9"
    & skf18("8","7","5","1","10","5","1") = "9"
    & skf18("8","7","5","1","10","6","1") = "9"
    & skf18("8","7","5","1","10","7","1") = "9"
    & skf18("8","7","5","1","10","8","1") = "9"
    & skf18("8","7","5","1","10","9","1") = "9"
    & skf18("8","7","5","1","10","10","1") = "9"
    & skf18("8","7","5","2","1","1","1") = "7"
    & skf18("8","7","5","2","1","2","1") = "7"
    & skf18("8","7","5","2","1","3","1") = "7"
    & skf18("8","7","5","2","1","4","1") = "7"
    & skf18("8","7","5","2","1","5","1") = "7"
    & skf18("8","7","5","2","1","6","1") = "7"
    & skf18("8","7","5","2","1","7","1") = "7"
    & skf18("8","7","5","2","1","8","1") = "7"
    & skf18("8","7","5","2","1","9","1") = "8"
    & skf18("8","7","5","2","1","10","1") = "9"
    & skf18("8","7","5","2","2","1","1") = "7"
    & skf18("8","7","5","2","2","2","1") = "7"
    & skf18("8","7","5","2","2","3","1") = "7"
    & skf18("8","7","5","2","2","4","1") = "7"
    & skf18("8","7","5","2","2","5","1") = "7"
    & skf18("8","7","5","2","2","6","1") = "7"
    & skf18("8","7","5","2","2","7","1") = "7"
    & skf18("8","7","5","2","2","8","1") = "7"
    & skf18("8","7","5","2","2","9","1") = "8"
    & skf18("8","7","5","2","2","10","1") = "9"
    & skf18("8","7","5","2","3","1","1") = "7"
    & skf18("8","7","5","2","3","2","1") = "7"
    & skf18("8","7","5","2","3","3","1") = "7"
    & skf18("8","7","5","2","3","4","1") = "7"
    & skf18("8","7","5","2","3","5","1") = "7"
    & skf18("8","7","5","2","3","6","1") = "7"
    & skf18("8","7","5","2","3","7","1") = "7"
    & skf18("8","7","5","2","3","8","1") = "7"
    & skf18("8","7","5","2","3","9","1") = "8"
    & skf18("8","7","5","2","3","10","1") = "9"
    & skf18("8","7","5","2","4","1","1") = "7"
    & skf18("8","7","5","2","4","2","1") = "7"
    & skf18("8","7","5","2","4","3","1") = "7"
    & skf18("8","7","5","2","4","4","1") = "7"
    & skf18("8","7","5","2","4","5","1") = "7"
    & skf18("8","7","5","2","4","6","1") = "7"
    & skf18("8","7","5","2","4","7","1") = "7"
    & skf18("8","7","5","2","4","8","1") = "7"
    & skf18("8","7","5","2","4","9","1") = "8"
    & skf18("8","7","5","2","4","10","1") = "9"
    & skf18("8","7","5","2","5","1","1") = "7"
    & skf18("8","7","5","2","5","2","1") = "7"
    & skf18("8","7","5","2","5","3","1") = "7"
    & skf18("8","7","5","2","5","4","1") = "7"
    & skf18("8","7","5","2","5","5","1") = "7"
    & skf18("8","7","5","2","5","6","1") = "7"
    & skf18("8","7","5","2","5","7","1") = "7"
    & skf18("8","7","5","2","5","8","1") = "7"
    & skf18("8","7","5","2","5","9","1") = "8"
    & skf18("8","7","5","2","5","10","1") = "9"
    & skf18("8","7","5","2","6","1","1") = "7"
    & skf18("8","7","5","2","6","2","1") = "7"
    & skf18("8","7","5","2","6","3","1") = "7"
    & skf18("8","7","5","2","6","4","1") = "7"
    & skf18("8","7","5","2","6","5","1") = "7"
    & skf18("8","7","5","2","6","6","1") = "7"
    & skf18("8","7","5","2","6","7","1") = "7"
    & skf18("8","7","5","2","6","8","1") = "7"
    & skf18("8","7","5","2","6","9","1") = "8"
    & skf18("8","7","5","2","6","10","1") = "9"
    & skf18("8","7","5","2","7","1","1") = "7"
    & skf18("8","7","5","2","7","2","1") = "7"
    & skf18("8","7","5","2","7","3","1") = "7"
    & skf18("8","7","5","2","7","4","1") = "7"
    & skf18("8","7","5","2","7","5","1") = "7"
    & skf18("8","7","5","2","7","6","1") = "7"
    & skf18("8","7","5","2","7","7","1") = "7"
    & skf18("8","7","5","2","7","8","1") = "7"
    & skf18("8","7","5","2","7","9","1") = "8"
    & skf18("8","7","5","2","7","10","1") = "9"
    & skf18("8","7","5","2","8","1","1") = "7"
    & skf18("8","7","5","2","8","2","1") = "7"
    & skf18("8","7","5","2","8","3","1") = "7"
    & skf18("8","7","5","2","8","4","1") = "7"
    & skf18("8","7","5","2","8","5","1") = "7"
    & skf18("8","7","5","2","8","6","1") = "7"
    & skf18("8","7","5","2","8","7","1") = "7"
    & skf18("8","7","5","2","8","8","1") = "7"
    & skf18("8","7","5","2","8","9","1") = "8"
    & skf18("8","7","5","2","8","10","1") = "9"
    & skf18("8","7","5","2","9","1","1") = "8"
    & skf18("8","7","5","2","9","2","1") = "8"
    & skf18("8","7","5","2","9","3","1") = "8"
    & skf18("8","7","5","2","9","4","1") = "8"
    & skf18("8","7","5","2","9","5","1") = "8"
    & skf18("8","7","5","2","9","6","1") = "8"
    & skf18("8","7","5","2","9","7","1") = "8"
    & skf18("8","7","5","2","9","8","1") = "8"
    & skf18("8","7","5","2","9","9","1") = "8"
    & skf18("8","7","5","2","9","10","1") = "9"
    & skf18("8","7","5","2","10","1","1") = "9"
    & skf18("8","7","5","2","10","2","1") = "9"
    & skf18("8","7","5","2","10","3","1") = "9"
    & skf18("8","7","5","2","10","4","1") = "9"
    & skf18("8","7","5","2","10","5","1") = "9"
    & skf18("8","7","5","2","10","6","1") = "9"
    & skf18("8","7","5","2","10","7","1") = "9"
    & skf18("8","7","5","2","10","8","1") = "9"
    & skf18("8","7","5","2","10","9","1") = "9"
    & skf18("8","7","5","2","10","10","1") = "9"
    & skf18("8","7","5","3","1","1","1") = "7"
    & skf18("8","7","5","3","1","2","1") = "7"
    & skf18("8","7","5","3","1","3","1") = "7"
    & skf18("8","7","5","3","1","4","1") = "7"
    & skf18("8","7","5","3","1","5","1") = "7"
    & skf18("8","7","5","3","1","6","1") = "7"
    & skf18("8","7","5","3","1","7","1") = "7"
    & skf18("8","7","5","3","1","8","1") = "7"
    & skf18("8","7","5","3","1","9","1") = "8"
    & skf18("8","7","5","3","1","10","1") = "9"
    & skf18("8","7","5","3","2","1","1") = "7"
    & skf18("8","7","5","3","2","2","1") = "7"
    & skf18("8","7","5","3","2","3","1") = "7"
    & skf18("8","7","5","3","2","4","1") = "7"
    & skf18("8","7","5","3","2","5","1") = "7"
    & skf18("8","7","5","3","2","6","1") = "7"
    & skf18("8","7","5","3","2","7","1") = "7"
    & skf18("8","7","5","3","2","8","1") = "7"
    & skf18("8","7","5","3","2","9","1") = "8"
    & skf18("8","7","5","3","2","10","1") = "9"
    & skf18("8","7","5","3","3","1","1") = "7"
    & skf18("8","7","5","3","3","2","1") = "7"
    & skf18("8","7","5","3","3","3","1") = "7"
    & skf18("8","7","5","3","3","4","1") = "7"
    & skf18("8","7","5","3","3","5","1") = "7"
    & skf18("8","7","5","3","3","6","1") = "7"
    & skf18("8","7","5","3","3","7","1") = "7"
    & skf18("8","7","5","3","3","8","1") = "7"
    & skf18("8","7","5","3","3","9","1") = "8"
    & skf18("8","7","5","3","3","10","1") = "9"
    & skf18("8","7","5","3","4","1","1") = "7"
    & skf18("8","7","5","3","4","2","1") = "7"
    & skf18("8","7","5","3","4","3","1") = "7"
    & skf18("8","7","5","3","4","4","1") = "7"
    & skf18("8","7","5","3","4","5","1") = "7"
    & skf18("8","7","5","3","4","6","1") = "7"
    & skf18("8","7","5","3","4","7","1") = "7"
    & skf18("8","7","5","3","4","8","1") = "7"
    & skf18("8","7","5","3","4","9","1") = "8"
    & skf18("8","7","5","3","4","10","1") = "9"
    & skf18("8","7","5","3","5","1","1") = "7"
    & skf18("8","7","5","3","5","2","1") = "7"
    & skf18("8","7","5","3","5","3","1") = "7"
    & skf18("8","7","5","3","5","4","1") = "7"
    & skf18("8","7","5","3","5","5","1") = "7"
    & skf18("8","7","5","3","5","6","1") = "7"
    & skf18("8","7","5","3","5","7","1") = "7"
    & skf18("8","7","5","3","5","8","1") = "7"
    & skf18("8","7","5","3","5","9","1") = "8"
    & skf18("8","7","5","3","5","10","1") = "9"
    & skf18("8","7","5","3","6","1","1") = "7"
    & skf18("8","7","5","3","6","2","1") = "7"
    & skf18("8","7","5","3","6","3","1") = "7"
    & skf18("8","7","5","3","6","4","1") = "7"
    & skf18("8","7","5","3","6","5","1") = "7"
    & skf18("8","7","5","3","6","6","1") = "7"
    & skf18("8","7","5","3","6","7","1") = "7"
    & skf18("8","7","5","3","6","8","1") = "7"
    & skf18("8","7","5","3","6","9","1") = "8"
    & skf18("8","7","5","3","6","10","1") = "9"
    & skf18("8","7","5","3","7","1","1") = "7"
    & skf18("8","7","5","3","7","2","1") = "7"
    & skf18("8","7","5","3","7","3","1") = "7"
    & skf18("8","7","5","3","7","4","1") = "7"
    & skf18("8","7","5","3","7","5","1") = "7"
    & skf18("8","7","5","3","7","6","1") = "7"
    & skf18("8","7","5","3","7","7","1") = "7"
    & skf18("8","7","5","3","7","8","1") = "7"
    & skf18("8","7","5","3","7","9","1") = "8"
    & skf18("8","7","5","3","7","10","1") = "9"
    & skf18("8","7","5","3","8","1","1") = "7"
    & skf18("8","7","5","3","8","2","1") = "7"
    & skf18("8","7","5","3","8","3","1") = "7"
    & skf18("8","7","5","3","8","4","1") = "7"
    & skf18("8","7","5","3","8","5","1") = "7"
    & skf18("8","7","5","3","8","6","1") = "7"
    & skf18("8","7","5","3","8","7","1") = "7"
    & skf18("8","7","5","3","8","8","1") = "7"
    & skf18("8","7","5","3","8","9","1") = "8"
    & skf18("8","7","5","3","8","10","1") = "9"
    & skf18("8","7","5","3","9","1","1") = "8"
    & skf18("8","7","5","3","9","2","1") = "8"
    & skf18("8","7","5","3","9","3","1") = "8"
    & skf18("8","7","5","3","9","4","1") = "8"
    & skf18("8","7","5","3","9","5","1") = "8"
    & skf18("8","7","5","3","9","6","1") = "8"
    & skf18("8","7","5","3","9","7","1") = "8"
    & skf18("8","7","5","3","9","8","1") = "8"
    & skf18("8","7","5","3","9","9","1") = "8"
    & skf18("8","7","5","3","9","10","1") = "9"
    & skf18("8","7","5","3","10","1","1") = "9"
    & skf18("8","7","5","3","10","2","1") = "9"
    & skf18("8","7","5","3","10","3","1") = "9"
    & skf18("8","7","5","3","10","4","1") = "9"
    & skf18("8","7","5","3","10","5","1") = "9"
    & skf18("8","7","5","3","10","6","1") = "9"
    & skf18("8","7","5","3","10","7","1") = "9"
    & skf18("8","7","5","3","10","8","1") = "9"
    & skf18("8","7","5","3","10","9","1") = "9"
    & skf18("8","7","5","3","10","10","1") = "9"
    & skf18("8","7","5","4","1","1","1") = "7"
    & skf18("8","7","5","4","1","2","1") = "7"
    & skf18("8","7","5","4","1","3","1") = "7"
    & skf18("8","7","5","4","1","4","1") = "7"
    & skf18("8","7","5","4","1","5","1") = "7"
    & skf18("8","7","5","4","1","6","1") = "7"
    & skf18("8","7","5","4","1","7","1") = "7"
    & skf18("8","7","5","4","1","8","1") = "7"
    & skf18("8","7","5","4","1","9","1") = "8"
    & skf18("8","7","5","4","1","10","1") = "9"
    & skf18("8","7","5","4","2","1","1") = "7"
    & skf18("8","7","5","4","2","2","1") = "7"
    & skf18("8","7","5","4","2","3","1") = "7"
    & skf18("8","7","5","4","2","4","1") = "7"
    & skf18("8","7","5","4","2","5","1") = "7"
    & skf18("8","7","5","4","2","6","1") = "7"
    & skf18("8","7","5","4","2","7","1") = "7"
    & skf18("8","7","5","4","2","8","1") = "7"
    & skf18("8","7","5","4","2","9","1") = "8"
    & skf18("8","7","5","4","2","10","1") = "9"
    & skf18("8","7","5","4","3","1","1") = "7"
    & skf18("8","7","5","4","3","2","1") = "7"
    & skf18("8","7","5","4","3","3","1") = "7"
    & skf18("8","7","5","4","3","4","1") = "7"
    & skf18("8","7","5","4","3","5","1") = "7"
    & skf18("8","7","5","4","3","6","1") = "7"
    & skf18("8","7","5","4","3","7","1") = "7"
    & skf18("8","7","5","4","3","8","1") = "7"
    & skf18("8","7","5","4","3","9","1") = "8"
    & skf18("8","7","5","4","3","10","1") = "9"
    & skf18("8","7","5","4","4","1","1") = "7"
    & skf18("8","7","5","4","4","2","1") = "7"
    & skf18("8","7","5","4","4","3","1") = "7"
    & skf18("8","7","5","4","4","4","1") = "7"
    & skf18("8","7","5","4","4","5","1") = "7"
    & skf18("8","7","5","4","4","6","1") = "7"
    & skf18("8","7","5","4","4","7","1") = "7"
    & skf18("8","7","5","4","4","8","1") = "7"
    & skf18("8","7","5","4","4","9","1") = "8"
    & skf18("8","7","5","4","4","10","1") = "9"
    & skf18("8","7","5","4","5","1","1") = "7"
    & skf18("8","7","5","4","5","2","1") = "7"
    & skf18("8","7","5","4","5","3","1") = "7"
    & skf18("8","7","5","4","5","4","1") = "7"
    & skf18("8","7","5","4","5","5","1") = "7"
    & skf18("8","7","5","4","5","6","1") = "7"
    & skf18("8","7","5","4","5","7","1") = "7"
    & skf18("8","7","5","4","5","8","1") = "7"
    & skf18("8","7","5","4","5","9","1") = "8"
    & skf18("8","7","5","4","5","10","1") = "9"
    & skf18("8","7","5","4","6","1","1") = "7"
    & skf18("8","7","5","4","6","2","1") = "7"
    & skf18("8","7","5","4","6","3","1") = "7"
    & skf18("8","7","5","4","6","4","1") = "7"
    & skf18("8","7","5","4","6","5","1") = "7"
    & skf18("8","7","5","4","6","6","1") = "7"
    & skf18("8","7","5","4","6","7","1") = "7"
    & skf18("8","7","5","4","6","8","1") = "7"
    & skf18("8","7","5","4","6","9","1") = "8"
    & skf18("8","7","5","4","6","10","1") = "9"
    & skf18("8","7","5","4","7","1","1") = "7"
    & skf18("8","7","5","4","7","2","1") = "7"
    & skf18("8","7","5","4","7","3","1") = "7"
    & skf18("8","7","5","4","7","4","1") = "7"
    & skf18("8","7","5","4","7","5","1") = "7"
    & skf18("8","7","5","4","7","6","1") = "7"
    & skf18("8","7","5","4","7","7","1") = "7"
    & skf18("8","7","5","4","7","8","1") = "7"
    & skf18("8","7","5","4","7","9","1") = "8"
    & skf18("8","7","5","4","7","10","1") = "9"
    & skf18("8","7","5","4","8","1","1") = "7"
    & skf18("8","7","5","4","8","2","1") = "7"
    & skf18("8","7","5","4","8","3","1") = "7"
    & skf18("8","7","5","4","8","4","1") = "7"
    & skf18("8","7","5","4","8","5","1") = "7"
    & skf18("8","7","5","4","8","6","1") = "7"
    & skf18("8","7","5","4","8","7","1") = "7"
    & skf18("8","7","5","4","8","8","1") = "7"
    & skf18("8","7","5","4","8","9","1") = "8"
    & skf18("8","7","5","4","8","10","1") = "9"
    & skf18("8","7","5","4","9","1","1") = "8"
    & skf18("8","7","5","4","9","2","1") = "8"
    & skf18("8","7","5","4","9","3","1") = "8"
    & skf18("8","7","5","4","9","4","1") = "8"
    & skf18("8","7","5","4","9","5","1") = "8"
    & skf18("8","7","5","4","9","6","1") = "8"
    & skf18("8","7","5","4","9","7","1") = "8"
    & skf18("8","7","5","4","9","8","1") = "8"
    & skf18("8","7","5","4","9","9","1") = "8"
    & skf18("8","7","5","4","9","10","1") = "9"
    & skf18("8","7","5","4","10","1","1") = "9"
    & skf18("8","7","5","4","10","2","1") = "9"
    & skf18("8","7","5","4","10","3","1") = "9"
    & skf18("8","7","5","4","10","4","1") = "9"
    & skf18("8","7","5","4","10","5","1") = "9"
    & skf18("8","7","5","4","10","6","1") = "9"
    & skf18("8","7","5","4","10","7","1") = "9"
    & skf18("8","7","5","4","10","8","1") = "9"
    & skf18("8","7","5","4","10","9","1") = "9"
    & skf18("8","7","5","4","10","10","1") = "9"
    & skf18("8","7","5","5","1","1","1") = "7"
    & skf18("8","7","5","5","1","2","1") = "7"
    & skf18("8","7","5","5","1","3","1") = "7"
    & skf18("8","7","5","5","1","4","1") = "7"
    & skf18("8","7","5","5","1","5","1") = "7"
    & skf18("8","7","5","5","1","6","1") = "7"
    & skf18("8","7","5","5","1","7","1") = "7"
    & skf18("8","7","5","5","1","8","1") = "7"
    & skf18("8","7","5","5","1","9","1") = "8"
    & skf18("8","7","5","5","1","10","1") = "9"
    & skf18("8","7","5","5","2","1","1") = "7"
    & skf18("8","7","5","5","2","2","1") = "7"
    & skf18("8","7","5","5","2","3","1") = "7"
    & skf18("8","7","5","5","2","4","1") = "7"
    & skf18("8","7","5","5","2","5","1") = "7"
    & skf18("8","7","5","5","2","6","1") = "7"
    & skf18("8","7","5","5","2","7","1") = "7"
    & skf18("8","7","5","5","2","8","1") = "7"
    & skf18("8","7","5","5","2","9","1") = "8"
    & skf18("8","7","5","5","2","10","1") = "9"
    & skf18("8","7","5","5","3","1","1") = "7"
    & skf18("8","7","5","5","3","2","1") = "7"
    & skf18("8","7","5","5","3","3","1") = "7"
    & skf18("8","7","5","5","3","4","1") = "7"
    & skf18("8","7","5","5","3","5","1") = "7"
    & skf18("8","7","5","5","3","6","1") = "7"
    & skf18("8","7","5","5","3","7","1") = "7"
    & skf18("8","7","5","5","3","8","1") = "7"
    & skf18("8","7","5","5","3","9","1") = "8"
    & skf18("8","7","5","5","3","10","1") = "9"
    & skf18("8","7","5","5","4","1","1") = "7"
    & skf18("8","7","5","5","4","2","1") = "7"
    & skf18("8","7","5","5","4","3","1") = "7"
    & skf18("8","7","5","5","4","4","1") = "7"
    & skf18("8","7","5","5","4","5","1") = "7"
    & skf18("8","7","5","5","4","6","1") = "7"
    & skf18("8","7","5","5","4","7","1") = "7"
    & skf18("8","7","5","5","4","8","1") = "7"
    & skf18("8","7","5","5","4","9","1") = "8"
    & skf18("8","7","5","5","4","10","1") = "9"
    & skf18("8","7","5","5","5","1","1") = "7"
    & skf18("8","7","5","5","5","2","1") = "7"
    & skf18("8","7","5","5","5","3","1") = "7"
    & skf18("8","7","5","5","5","4","1") = "7"
    & skf18("8","7","5","5","5","5","1") = "7"
    & skf18("8","7","5","5","5","6","1") = "7"
    & skf18("8","7","5","5","5","7","1") = "7"
    & skf18("8","7","5","5","5","8","1") = "7"
    & skf18("8","7","5","5","5","9","1") = "8"
    & skf18("8","7","5","5","5","10","1") = "9"
    & skf18("8","7","5","5","6","1","1") = "7"
    & skf18("8","7","5","5","6","2","1") = "7"
    & skf18("8","7","5","5","6","3","1") = "7"
    & skf18("8","7","5","5","6","4","1") = "7"
    & skf18("8","7","5","5","6","5","1") = "7"
    & skf18("8","7","5","5","6","6","1") = "7"
    & skf18("8","7","5","5","6","7","1") = "7"
    & skf18("8","7","5","5","6","8","1") = "7"
    & skf18("8","7","5","5","6","9","1") = "8"
    & skf18("8","7","5","5","6","10","1") = "9"
    & skf18("8","7","5","5","7","1","1") = "7"
    & skf18("8","7","5","5","7","2","1") = "7"
    & skf18("8","7","5","5","7","3","1") = "7"
    & skf18("8","7","5","5","7","4","1") = "7"
    & skf18("8","7","5","5","7","5","1") = "7"
    & skf18("8","7","5","5","7","6","1") = "7"
    & skf18("8","7","5","5","7","7","1") = "7"
    & skf18("8","7","5","5","7","8","1") = "7"
    & skf18("8","7","5","5","7","9","1") = "8"
    & skf18("8","7","5","5","7","10","1") = "9"
    & skf18("8","7","5","5","8","1","1") = "7"
    & skf18("8","7","5","5","8","2","1") = "7"
    & skf18("8","7","5","5","8","3","1") = "7"
    & skf18("8","7","5","5","8","4","1") = "7"
    & skf18("8","7","5","5","8","5","1") = "7"
    & skf18("8","7","5","5","8","6","1") = "7"
    & skf18("8","7","5","5","8","7","1") = "7"
    & skf18("8","7","5","5","8","8","1") = "7"
    & skf18("8","7","5","5","8","9","1") = "8"
    & skf18("8","7","5","5","8","10","1") = "9"
    & skf18("8","7","5","5","9","1","1") = "8"
    & skf18("8","7","5","5","9","2","1") = "8"
    & skf18("8","7","5","5","9","3","1") = "8"
    & skf18("8","7","5","5","9","4","1") = "8"
    & skf18("8","7","5","5","9","5","1") = "8"
    & skf18("8","7","5","5","9","6","1") = "8"
    & skf18("8","7","5","5","9","7","1") = "8"
    & skf18("8","7","5","5","9","8","1") = "8"
    & skf18("8","7","5","5","9","9","1") = "8"
    & skf18("8","7","5","5","9","10","1") = "9"
    & skf18("8","7","5","5","10","1","1") = "9"
    & skf18("8","7","5","5","10","2","1") = "9"
    & skf18("8","7","5","5","10","3","1") = "9"
    & skf18("8","7","5","5","10","4","1") = "9"
    & skf18("8","7","5","5","10","5","1") = "9"
    & skf18("8","7","5","5","10","6","1") = "9"
    & skf18("8","7","5","5","10","7","1") = "9"
    & skf18("8","7","5","5","10","8","1") = "9"
    & skf18("8","7","5","5","10","9","1") = "9"
    & skf18("8","7","5","5","10","10","1") = "9"
    & skf18("8","7","5","6","1","1","1") = "7"
    & skf18("8","7","5","6","1","2","1") = "7"
    & skf18("8","7","5","6","1","3","1") = "7"
    & skf18("8","7","5","6","1","4","1") = "7"
    & skf18("8","7","5","6","1","5","1") = "7"
    & skf18("8","7","5","6","1","6","1") = "7"
    & skf18("8","7","5","6","1","7","1") = "7"
    & skf18("8","7","5","6","1","8","1") = "7"
    & skf18("8","7","5","6","1","9","1") = "8"
    & skf18("8","7","5","6","1","10","1") = "9"
    & skf18("8","7","5","6","2","1","1") = "7"
    & skf18("8","7","5","6","2","2","1") = "7"
    & skf18("8","7","5","6","2","3","1") = "7"
    & skf18("8","7","5","6","2","4","1") = "7"
    & skf18("8","7","5","6","2","5","1") = "7"
    & skf18("8","7","5","6","2","6","1") = "7"
    & skf18("8","7","5","6","2","7","1") = "7"
    & skf18("8","7","5","6","2","8","1") = "7"
    & skf18("8","7","5","6","2","9","1") = "8"
    & skf18("8","7","5","6","2","10","1") = "9"
    & skf18("8","7","5","6","3","1","1") = "7"
    & skf18("8","7","5","6","3","2","1") = "7"
    & skf18("8","7","5","6","3","3","1") = "7"
    & skf18("8","7","5","6","3","4","1") = "7"
    & skf18("8","7","5","6","3","5","1") = "7"
    & skf18("8","7","5","6","3","6","1") = "7"
    & skf18("8","7","5","6","3","7","1") = "7"
    & skf18("8","7","5","6","3","8","1") = "7"
    & skf18("8","7","5","6","3","9","1") = "8"
    & skf18("8","7","5","6","3","10","1") = "9"
    & skf18("8","7","5","6","4","1","1") = "7"
    & skf18("8","7","5","6","4","2","1") = "7"
    & skf18("8","7","5","6","4","3","1") = "7"
    & skf18("8","7","5","6","4","4","1") = "7"
    & skf18("8","7","5","6","4","5","1") = "7"
    & skf18("8","7","5","6","4","6","1") = "7"
    & skf18("8","7","5","6","4","7","1") = "7"
    & skf18("8","7","5","6","4","8","1") = "7"
    & skf18("8","7","5","6","4","9","1") = "8"
    & skf18("8","7","5","6","4","10","1") = "9"
    & skf18("8","7","5","6","5","1","1") = "7"
    & skf18("8","7","5","6","5","2","1") = "7"
    & skf18("8","7","5","6","5","3","1") = "7"
    & skf18("8","7","5","6","5","4","1") = "7"
    & skf18("8","7","5","6","5","5","1") = "7"
    & skf18("8","7","5","6","5","6","1") = "7"
    & skf18("8","7","5","6","5","7","1") = "7"
    & skf18("8","7","5","6","5","8","1") = "7"
    & skf18("8","7","5","6","5","9","1") = "8"
    & skf18("8","7","5","6","5","10","1") = "9"
    & skf18("8","7","5","6","6","1","1") = "7"
    & skf18("8","7","5","6","6","2","1") = "7"
    & skf18("8","7","5","6","6","3","1") = "7"
    & skf18("8","7","5","6","6","4","1") = "7"
    & skf18("8","7","5","6","6","5","1") = "7"
    & skf18("8","7","5","6","6","6","1") = "7"
    & skf18("8","7","5","6","6","7","1") = "7"
    & skf18("8","7","5","6","6","8","1") = "7"
    & skf18("8","7","5","6","6","9","1") = "8"
    & skf18("8","7","5","6","6","10","1") = "9"
    & skf18("8","7","5","6","7","1","1") = "7"
    & skf18("8","7","5","6","7","2","1") = "7"
    & skf18("8","7","5","6","7","3","1") = "7"
    & skf18("8","7","5","6","7","4","1") = "7"
    & skf18("8","7","5","6","7","5","1") = "7"
    & skf18("8","7","5","6","7","6","1") = "7"
    & skf18("8","7","5","6","7","7","1") = "7"
    & skf18("8","7","5","6","7","8","1") = "7"
    & skf18("8","7","5","6","7","9","1") = "8"
    & skf18("8","7","5","6","7","10","1") = "9"
    & skf18("8","7","5","6","8","1","1") = "7"
    & skf18("8","7","5","6","8","2","1") = "7"
    & skf18("8","7","5","6","8","3","1") = "7"
    & skf18("8","7","5","6","8","4","1") = "7"
    & skf18("8","7","5","6","8","5","1") = "7"
    & skf18("8","7","5","6","8","6","1") = "7"
    & skf18("8","7","5","6","8","7","1") = "7"
    & skf18("8","7","5","6","8","8","1") = "7"
    & skf18("8","7","5","6","8","9","1") = "8"
    & skf18("8","7","5","6","8","10","1") = "9"
    & skf18("8","7","5","6","9","1","1") = "8"
    & skf18("8","7","5","6","9","2","1") = "8"
    & skf18("8","7","5","6","9","3","1") = "8"
    & skf18("8","7","5","6","9","4","1") = "8"
    & skf18("8","7","5","6","9","5","1") = "8"
    & skf18("8","7","5","6","9","6","1") = "8"
    & skf18("8","7","5","6","9","7","1") = "8"
    & skf18("8","7","5","6","9","8","1") = "8"
    & skf18("8","7","5","6","9","9","1") = "8"
    & skf18("8","7","5","6","9","10","1") = "9"
    & skf18("8","7","5","6","10","1","1") = "9"
    & skf18("8","7","5","6","10","2","1") = "9"
    & skf18("8","7","5","6","10","3","1") = "9"
    & skf18("8","7","5","6","10","4","1") = "9"
    & skf18("8","7","5","6","10","5","1") = "9"
    & skf18("8","7","5","6","10","6","1") = "9"
    & skf18("8","7","5","6","10","7","1") = "9"
    & skf18("8","7","5","6","10","8","1") = "9"
    & skf18("8","7","5","6","10","9","1") = "9"
    & skf18("8","7","5","6","10","10","1") = "9"
    & skf18("8","7","5","7","1","1","1") = "7"
    & skf18("8","7","5","7","1","2","1") = "7"
    & skf18("8","7","5","7","1","3","1") = "7"
    & skf18("8","7","5","7","1","4","1") = "7"
    & skf18("8","7","5","7","1","5","1") = "7"
    & skf18("8","7","5","7","1","6","1") = "7"
    & skf18("8","7","5","7","1","7","1") = "7"
    & skf18("8","7","5","7","1","8","1") = "7"
    & skf18("8","7","5","7","1","9","1") = "8"
    & skf18("8","7","5","7","1","10","1") = "9"
    & skf18("8","7","5","7","2","1","1") = "7"
    & skf18("8","7","5","7","2","2","1") = "7"
    & skf18("8","7","5","7","2","3","1") = "7"
    & skf18("8","7","5","7","2","4","1") = "7"
    & skf18("8","7","5","7","2","5","1") = "7"
    & skf18("8","7","5","7","2","6","1") = "7"
    & skf18("8","7","5","7","2","7","1") = "7"
    & skf18("8","7","5","7","2","8","1") = "7"
    & skf18("8","7","5","7","2","9","1") = "8"
    & skf18("8","7","5","7","2","10","1") = "9"
    & skf18("8","7","5","7","3","1","1") = "7"
    & skf18("8","7","5","7","3","2","1") = "7"
    & skf18("8","7","5","7","3","3","1") = "7"
    & skf18("8","7","5","7","3","4","1") = "7"
    & skf18("8","7","5","7","3","5","1") = "7"
    & skf18("8","7","5","7","3","6","1") = "7"
    & skf18("8","7","5","7","3","7","1") = "7"
    & skf18("8","7","5","7","3","8","1") = "7"
    & skf18("8","7","5","7","3","9","1") = "8"
    & skf18("8","7","5","7","3","10","1") = "9"
    & skf18("8","7","5","7","4","1","1") = "7"
    & skf18("8","7","5","7","4","2","1") = "7"
    & skf18("8","7","5","7","4","3","1") = "7"
    & skf18("8","7","5","7","4","4","1") = "7"
    & skf18("8","7","5","7","4","5","1") = "7"
    & skf18("8","7","5","7","4","6","1") = "7"
    & skf18("8","7","5","7","4","7","1") = "7"
    & skf18("8","7","5","7","4","8","1") = "7"
    & skf18("8","7","5","7","4","9","1") = "8"
    & skf18("8","7","5","7","4","10","1") = "9"
    & skf18("8","7","5","7","5","1","1") = "7"
    & skf18("8","7","5","7","5","2","1") = "7"
    & skf18("8","7","5","7","5","3","1") = "7"
    & skf18("8","7","5","7","5","4","1") = "7"
    & skf18("8","7","5","7","5","5","1") = "7"
    & skf18("8","7","5","7","5","6","1") = "7"
    & skf18("8","7","5","7","5","7","1") = "7"
    & skf18("8","7","5","7","5","8","1") = "7"
    & skf18("8","7","5","7","5","9","1") = "8"
    & skf18("8","7","5","7","5","10","1") = "9"
    & skf18("8","7","5","7","6","1","1") = "7"
    & skf18("8","7","5","7","6","2","1") = "7"
    & skf18("8","7","5","7","6","3","1") = "7"
    & skf18("8","7","5","7","6","4","1") = "7"
    & skf18("8","7","5","7","6","5","1") = "7"
    & skf18("8","7","5","7","6","6","1") = "7"
    & skf18("8","7","5","7","6","7","1") = "7"
    & skf18("8","7","5","7","6","8","1") = "7"
    & skf18("8","7","5","7","6","9","1") = "8"
    & skf18("8","7","5","7","6","10","1") = "9"
    & skf18("8","7","5","7","7","1","1") = "7"
    & skf18("8","7","5","7","7","2","1") = "7"
    & skf18("8","7","5","7","7","3","1") = "7"
    & skf18("8","7","5","7","7","4","1") = "7"
    & skf18("8","7","5","7","7","5","1") = "7"
    & skf18("8","7","5","7","7","6","1") = "7"
    & skf18("8","7","5","7","7","7","1") = "7"
    & skf18("8","7","5","7","7","8","1") = "7"
    & skf18("8","7","5","7","7","9","1") = "8"
    & skf18("8","7","5","7","7","10","1") = "9"
    & skf18("8","7","5","7","8","1","1") = "7"
    & skf18("8","7","5","7","8","2","1") = "7"
    & skf18("8","7","5","7","8","3","1") = "7"
    & skf18("8","7","5","7","8","4","1") = "7"
    & skf18("8","7","5","7","8","5","1") = "7"
    & skf18("8","7","5","7","8","6","1") = "7"
    & skf18("8","7","5","7","8","7","1") = "7"
    & skf18("8","7","5","7","8","8","1") = "7"
    & skf18("8","7","5","7","8","9","1") = "8"
    & skf18("8","7","5","7","8","10","1") = "9"
    & skf18("8","7","5","7","9","1","1") = "8"
    & skf18("8","7","5","7","9","2","1") = "8"
    & skf18("8","7","5","7","9","3","1") = "8"
    & skf18("8","7","5","7","9","4","1") = "8"
    & skf18("8","7","5","7","9","5","1") = "8"
    & skf18("8","7","5","7","9","6","1") = "8"
    & skf18("8","7","5","7","9","7","1") = "8"
    & skf18("8","7","5","7","9","8","1") = "8"
    & skf18("8","7","5","7","9","9","1") = "8"
    & skf18("8","7","5","7","9","10","1") = "9"
    & skf18("8","7","5","7","10","1","1") = "9"
    & skf18("8","7","5","7","10","2","1") = "9"
    & skf18("8","7","5","7","10","3","1") = "9"
    & skf18("8","7","5","7","10","4","1") = "9"
    & skf18("8","7","5","7","10","5","1") = "9"
    & skf18("8","7","5","7","10","6","1") = "9"
    & skf18("8","7","5","7","10","7","1") = "9"
    & skf18("8","7","5","7","10","8","1") = "9"
    & skf18("8","7","5","7","10","9","1") = "9"
    & skf18("8","7","5","7","10","10","1") = "9"
    & skf18("8","7","5","8","1","1","1") = "7"
    & skf18("8","7","5","8","1","2","1") = "7"
    & skf18("8","7","5","8","1","3","1") = "7"
    & skf18("8","7","5","8","1","4","1") = "7"
    & skf18("8","7","5","8","1","5","1") = "7"
    & skf18("8","7","5","8","1","6","1") = "7"
    & skf18("8","7","5","8","1","7","1") = "7"
    & skf18("8","7","5","8","1","8","1") = "7"
    & skf18("8","7","5","8","1","9","1") = "8"
    & skf18("8","7","5","8","1","10","1") = "9"
    & skf18("8","7","5","8","2","1","1") = "7"
    & skf18("8","7","5","8","2","2","1") = "7"
    & skf18("8","7","5","8","2","3","1") = "7"
    & skf18("8","7","5","8","2","4","1") = "7"
    & skf18("8","7","5","8","2","5","1") = "7"
    & skf18("8","7","5","8","2","6","1") = "7"
    & skf18("8","7","5","8","2","7","1") = "7"
    & skf18("8","7","5","8","2","8","1") = "7"
    & skf18("8","7","5","8","2","9","1") = "8"
    & skf18("8","7","5","8","2","10","1") = "9"
    & skf18("8","7","5","8","3","1","1") = "7"
    & skf18("8","7","5","8","3","2","1") = "7"
    & skf18("8","7","5","8","3","3","1") = "7"
    & skf18("8","7","5","8","3","4","1") = "7"
    & skf18("8","7","5","8","3","5","1") = "7"
    & skf18("8","7","5","8","3","6","1") = "7"
    & skf18("8","7","5","8","3","7","1") = "7"
    & skf18("8","7","5","8","3","8","1") = "7"
    & skf18("8","7","5","8","3","9","1") = "8"
    & skf18("8","7","5","8","3","10","1") = "9"
    & skf18("8","7","5","8","4","1","1") = "7"
    & skf18("8","7","5","8","4","2","1") = "7"
    & skf18("8","7","5","8","4","3","1") = "7"
    & skf18("8","7","5","8","4","4","1") = "7"
    & skf18("8","7","5","8","4","5","1") = "7"
    & skf18("8","7","5","8","4","6","1") = "7"
    & skf18("8","7","5","8","4","7","1") = "7"
    & skf18("8","7","5","8","4","8","1") = "7"
    & skf18("8","7","5","8","4","9","1") = "8"
    & skf18("8","7","5","8","4","10","1") = "9"
    & skf18("8","7","5","8","5","1","1") = "7"
    & skf18("8","7","5","8","5","2","1") = "7"
    & skf18("8","7","5","8","5","3","1") = "7"
    & skf18("8","7","5","8","5","4","1") = "7"
    & skf18("8","7","5","8","5","5","1") = "7"
    & skf18("8","7","5","8","5","6","1") = "7"
    & skf18("8","7","5","8","5","7","1") = "7"
    & skf18("8","7","5","8","5","8","1") = "7"
    & skf18("8","7","5","8","5","9","1") = "8"
    & skf18("8","7","5","8","5","10","1") = "9"
    & skf18("8","7","5","8","6","1","1") = "7"
    & skf18("8","7","5","8","6","2","1") = "7"
    & skf18("8","7","5","8","6","3","1") = "7"
    & skf18("8","7","5","8","6","4","1") = "7"
    & skf18("8","7","5","8","6","5","1") = "7"
    & skf18("8","7","5","8","6","6","1") = "7"
    & skf18("8","7","5","8","6","7","1") = "7"
    & skf18("8","7","5","8","6","8","1") = "7"
    & skf18("8","7","5","8","6","9","1") = "8"
    & skf18("8","7","5","8","6","10","1") = "9"
    & skf18("8","7","5","8","7","1","1") = "7"
    & skf18("8","7","5","8","7","2","1") = "7"
    & skf18("8","7","5","8","7","3","1") = "7"
    & skf18("8","7","5","8","7","4","1") = "7"
    & skf18("8","7","5","8","7","5","1") = "7"
    & skf18("8","7","5","8","7","6","1") = "7"
    & skf18("8","7","5","8","7","7","1") = "7"
    & skf18("8","7","5","8","7","8","1") = "7"
    & skf18("8","7","5","8","7","9","1") = "8"
    & skf18("8","7","5","8","7","10","1") = "9"
    & skf18("8","7","5","8","8","1","1") = "7"
    & skf18("8","7","5","8","8","2","1") = "7"
    & skf18("8","7","5","8","8","3","1") = "7"
    & skf18("8","7","5","8","8","4","1") = "7"
    & skf18("8","7","5","8","8","5","1") = "7"
    & skf18("8","7","5","8","8","6","1") = "7"
    & skf18("8","7","5","8","8","7","1") = "7"
    & skf18("8","7","5","8","8","8","1") = "7"
    & skf18("8","7","5","8","8","9","1") = "8"
    & skf18("8","7","5","8","8","10","1") = "9"
    & skf18("8","7","5","8","9","1","1") = "8"
    & skf18("8","7","5","8","9","2","1") = "8"
    & skf18("8","7","5","8","9","3","1") = "8"
    & skf18("8","7","5","8","9","4","1") = "8"
    & skf18("8","7","5","8","9","5","1") = "8"
    & skf18("8","7","5","8","9","6","1") = "8"
    & skf18("8","7","5","8","9","7","1") = "8"
    & skf18("8","7","5","8","9","8","1") = "8"
    & skf18("8","7","5","8","9","9","1") = "8"
    & skf18("8","7","5","8","9","10","1") = "9"
    & skf18("8","7","5","8","10","1","1") = "9"
    & skf18("8","7","5","8","10","2","1") = "9"
    & skf18("8","7","5","8","10","3","1") = "9"
    & skf18("8","7","5","8","10","4","1") = "9"
    & skf18("8","7","5","8","10","5","1") = "9"
    & skf18("8","7","5","8","10","6","1") = "9"
    & skf18("8","7","5","8","10","7","1") = "9"
    & skf18("8","7","5","8","10","8","1") = "9"
    & skf18("8","7","5","8","10","9","1") = "9"
    & skf18("8","7","5","8","10","10","1") = "9"
    & skf18("8","7","5","9","1","1","1") = "8"
    & skf18("8","7","5","9","1","2","1") = "8"
    & skf18("8","7","5","9","1","3","1") = "8"
    & skf18("8","7","5","9","1","4","1") = "8"
    & skf18("8","7","5","9","1","5","1") = "8"
    & skf18("8","7","5","9","1","6","1") = "8"
    & skf18("8","7","5","9","1","7","1") = "8"
    & skf18("8","7","5","9","1","8","1") = "8"
    & skf18("8","7","5","9","1","9","1") = "8"
    & skf18("8","7","5","9","1","10","1") = "9"
    & skf18("8","7","5","9","2","1","1") = "8"
    & skf18("8","7","5","9","2","2","1") = "8"
    & skf18("8","7","5","9","2","3","1") = "8"
    & skf18("8","7","5","9","2","4","1") = "8"
    & skf18("8","7","5","9","2","5","1") = "8"
    & skf18("8","7","5","9","2","6","1") = "8"
    & skf18("8","7","5","9","2","7","1") = "8"
    & skf18("8","7","5","9","2","8","1") = "8"
    & skf18("8","7","5","9","2","9","1") = "8"
    & skf18("8","7","5","9","2","10","1") = "9"
    & skf18("8","7","5","9","3","1","1") = "8"
    & skf18("8","7","5","9","3","2","1") = "8"
    & skf18("8","7","5","9","3","3","1") = "8"
    & skf18("8","7","5","9","3","4","1") = "8"
    & skf18("8","7","5","9","3","5","1") = "8"
    & skf18("8","7","5","9","3","6","1") = "8"
    & skf18("8","7","5","9","3","7","1") = "8"
    & skf18("8","7","5","9","3","8","1") = "8"
    & skf18("8","7","5","9","3","9","1") = "8"
    & skf18("8","7","5","9","3","10","1") = "9"
    & skf18("8","7","5","9","4","1","1") = "8"
    & skf18("8","7","5","9","4","2","1") = "8"
    & skf18("8","7","5","9","4","3","1") = "8"
    & skf18("8","7","5","9","4","4","1") = "8"
    & skf18("8","7","5","9","4","5","1") = "8"
    & skf18("8","7","5","9","4","6","1") = "8"
    & skf18("8","7","5","9","4","7","1") = "8"
    & skf18("8","7","5","9","4","8","1") = "8"
    & skf18("8","7","5","9","4","9","1") = "8"
    & skf18("8","7","5","9","4","10","1") = "9"
    & skf18("8","7","5","9","5","1","1") = "8"
    & skf18("8","7","5","9","5","2","1") = "8"
    & skf18("8","7","5","9","5","3","1") = "8"
    & skf18("8","7","5","9","5","4","1") = "8"
    & skf18("8","7","5","9","5","5","1") = "8"
    & skf18("8","7","5","9","5","6","1") = "8"
    & skf18("8","7","5","9","5","7","1") = "8"
    & skf18("8","7","5","9","5","8","1") = "8"
    & skf18("8","7","5","9","5","9","1") = "8"
    & skf18("8","7","5","9","5","10","1") = "9"
    & skf18("8","7","5","9","6","1","1") = "8"
    & skf18("8","7","5","9","6","2","1") = "8"
    & skf18("8","7","5","9","6","3","1") = "8"
    & skf18("8","7","5","9","6","4","1") = "8"
    & skf18("8","7","5","9","6","5","1") = "8"
    & skf18("8","7","5","9","6","6","1") = "8"
    & skf18("8","7","5","9","6","7","1") = "8"
    & skf18("8","7","5","9","6","8","1") = "8"
    & skf18("8","7","5","9","6","9","1") = "8"
    & skf18("8","7","5","9","6","10","1") = "9"
    & skf18("8","7","5","9","7","1","1") = "8"
    & skf18("8","7","5","9","7","2","1") = "8"
    & skf18("8","7","5","9","7","3","1") = "8"
    & skf18("8","7","5","9","7","4","1") = "8"
    & skf18("8","7","5","9","7","5","1") = "8"
    & skf18("8","7","5","9","7","6","1") = "8"
    & skf18("8","7","5","9","7","7","1") = "8"
    & skf18("8","7","5","9","7","8","1") = "8"
    & skf18("8","7","5","9","7","9","1") = "8"
    & skf18("8","7","5","9","7","10","1") = "9"
    & skf18("8","7","5","9","8","1","1") = "8"
    & skf18("8","7","5","9","8","2","1") = "8"
    & skf18("8","7","5","9","8","3","1") = "8"
    & skf18("8","7","5","9","8","4","1") = "8"
    & skf18("8","7","5","9","8","5","1") = "8"
    & skf18("8","7","5","9","8","6","1") = "8"
    & skf18("8","7","5","9","8","7","1") = "8"
    & skf18("8","7","5","9","8","8","1") = "8"
    & skf18("8","7","5","9","8","9","1") = "8"
    & skf18("8","7","5","9","8","10","1") = "9"
    & skf18("8","7","5","9","9","1","1") = "8"
    & skf18("8","7","5","9","9","2","1") = "8"
    & skf18("8","7","5","9","9","3","1") = "8"
    & skf18("8","7","5","9","9","4","1") = "8"
    & skf18("8","7","5","9","9","5","1") = "8"
    & skf18("8","7","5","9","9","6","1") = "8"
    & skf18("8","7","5","9","9","7","1") = "8"
    & skf18("8","7","5","9","9","8","1") = "8"
    & skf18("8","7","5","9","9","9","1") = "8"
    & skf18("8","7","5","9","9","10","1") = "9"
    & skf18("8","7","5","9","10","1","1") = "9"
    & skf18("8","7","5","9","10","2","1") = "9"
    & skf18("8","7","5","9","10","3","1") = "9"
    & skf18("8","7","5","9","10","4","1") = "9"
    & skf18("8","7","5","9","10","5","1") = "9"
    & skf18("8","7","5","9","10","6","1") = "9"
    & skf18("8","7","5","9","10","7","1") = "9"
    & skf18("8","7","5","9","10","8","1") = "9"
    & skf18("8","7","5","9","10","9","1") = "9"
    & skf18("8","7","5","9","10","10","1") = "9"
    & skf18("8","7","5","10","1","1","1") = "9"
    & skf18("8","7","5","10","1","2","1") = "9"
    & skf18("8","7","5","10","1","3","1") = "9"
    & skf18("8","7","5","10","1","4","1") = "9"
    & skf18("8","7","5","10","1","5","1") = "9"
    & skf18("8","7","5","10","1","6","1") = "9"
    & skf18("8","7","5","10","1","7","1") = "9"
    & skf18("8","7","5","10","1","8","1") = "9"
    & skf18("8","7","5","10","1","9","1") = "9"
    & skf18("8","7","5","10","1","10","1") = "9"
    & skf18("8","7","5","10","2","1","1") = "9"
    & skf18("8","7","5","10","2","2","1") = "9"
    & skf18("8","7","5","10","2","3","1") = "9"
    & skf18("8","7","5","10","2","4","1") = "9"
    & skf18("8","7","5","10","2","5","1") = "9"
    & skf18("8","7","5","10","2","6","1") = "9"
    & skf18("8","7","5","10","2","7","1") = "9"
    & skf18("8","7","5","10","2","8","1") = "9"
    & skf18("8","7","5","10","2","9","1") = "9"
    & skf18("8","7","5","10","2","10","1") = "9"
    & skf18("8","7","5","10","3","1","1") = "9"
    & skf18("8","7","5","10","3","2","1") = "9"
    & skf18("8","7","5","10","3","3","1") = "9"
    & skf18("8","7","5","10","3","4","1") = "9"
    & skf18("8","7","5","10","3","5","1") = "9"
    & skf18("8","7","5","10","3","6","1") = "9"
    & skf18("8","7","5","10","3","7","1") = "9"
    & skf18("8","7","5","10","3","8","1") = "9"
    & skf18("8","7","5","10","3","9","1") = "9"
    & skf18("8","7","5","10","3","10","1") = "9"
    & skf18("8","7","5","10","4","1","1") = "9"
    & skf18("8","7","5","10","4","2","1") = "9"
    & skf18("8","7","5","10","4","3","1") = "9"
    & skf18("8","7","5","10","4","4","1") = "9"
    & skf18("8","7","5","10","4","5","1") = "9"
    & skf18("8","7","5","10","4","6","1") = "9"
    & skf18("8","7","5","10","4","7","1") = "9"
    & skf18("8","7","5","10","4","8","1") = "9"
    & skf18("8","7","5","10","4","9","1") = "9"
    & skf18("8","7","5","10","4","10","1") = "9"
    & skf18("8","7","5","10","5","1","1") = "9"
    & skf18("8","7","5","10","5","2","1") = "9"
    & skf18("8","7","5","10","5","3","1") = "9"
    & skf18("8","7","5","10","5","4","1") = "9"
    & skf18("8","7","5","10","5","5","1") = "9"
    & skf18("8","7","5","10","5","6","1") = "9"
    & skf18("8","7","5","10","5","7","1") = "9"
    & skf18("8","7","5","10","5","8","1") = "9"
    & skf18("8","7","5","10","5","9","1") = "9"
    & skf18("8","7","5","10","5","10","1") = "9"
    & skf18("8","7","5","10","6","1","1") = "9"
    & skf18("8","7","5","10","6","2","1") = "9"
    & skf18("8","7","5","10","6","3","1") = "9"
    & skf18("8","7","5","10","6","4","1") = "9"
    & skf18("8","7","5","10","6","5","1") = "9"
    & skf18("8","7","5","10","6","6","1") = "9"
    & skf18("8","7","5","10","6","7","1") = "9"
    & skf18("8","7","5","10","6","8","1") = "9"
    & skf18("8","7","5","10","6","9","1") = "9"
    & skf18("8","7","5","10","6","10","1") = "9"
    & skf18("8","7","5","10","7","1","1") = "9"
    & skf18("8","7","5","10","7","2","1") = "9"
    & skf18("8","7","5","10","7","3","1") = "9"
    & skf18("8","7","5","10","7","4","1") = "9"
    & skf18("8","7","5","10","7","5","1") = "9"
    & skf18("8","7","5","10","7","6","1") = "9"
    & skf18("8","7","5","10","7","7","1") = "9"
    & skf18("8","7","5","10","7","8","1") = "9"
    & skf18("8","7","5","10","7","9","1") = "9"
    & skf18("8","7","5","10","7","10","1") = "9"
    & skf18("8","7","5","10","8","1","1") = "9"
    & skf18("8","7","5","10","8","2","1") = "9"
    & skf18("8","7","5","10","8","3","1") = "9"
    & skf18("8","7","5","10","8","4","1") = "9"
    & skf18("8","7","5","10","8","5","1") = "9"
    & skf18("8","7","5","10","8","6","1") = "9"
    & skf18("8","7","5","10","8","7","1") = "9"
    & skf18("8","7","5","10","8","8","1") = "9"
    & skf18("8","7","5","10","8","9","1") = "9"
    & skf18("8","7","5","10","8","10","1") = "9"
    & skf18("8","7","5","10","9","1","1") = "9"
    & skf18("8","7","5","10","9","2","1") = "9"
    & skf18("8","7","5","10","9","3","1") = "9"
    & skf18("8","7","5","10","9","4","1") = "9"
    & skf18("8","7","5","10","9","5","1") = "9"
    & skf18("8","7","5","10","9","6","1") = "9"
    & skf18("8","7","5","10","9","7","1") = "9"
    & skf18("8","7","5","10","9","8","1") = "9"
    & skf18("8","7","5","10","9","9","1") = "9"
    & skf18("8","7","5","10","9","10","1") = "9"
    & skf18("8","7","5","10","10","1","1") = "9"
    & skf18("8","7","5","10","10","2","1") = "9"
    & skf18("8","7","5","10","10","3","1") = "9"
    & skf18("8","7","5","10","10","4","1") = "9"
    & skf18("8","7","5","10","10","5","1") = "9"
    & skf18("8","7","5","10","10","6","1") = "9"
    & skf18("8","7","5","10","10","7","1") = "9"
    & skf18("8","7","5","10","10","8","1") = "9"
    & skf18("8","7","5","10","10","9","1") = "9"
    & skf18("8","7","5","10","10","10","1") = "9"
    & skf18("8","7","6","1","1","1","1") = "7"
    & skf18("8","7","6","1","1","2","1") = "7"
    & skf18("8","7","6","1","1","3","1") = "7"
    & skf18("8","7","6","1","1","4","1") = "7"
    & skf18("8","7","6","1","1","5","1") = "7"
    & skf18("8","7","6","1","1","6","1") = "7"
    & skf18("8","7","6","1","1","7","1") = "7"
    & skf18("8","7","6","1","1","8","1") = "7"
    & skf18("8","7","6","1","1","9","1") = "8"
    & skf18("8","7","6","1","1","10","1") = "9"
    & skf18("8","7","6","1","2","1","1") = "7"
    & skf18("8","7","6","1","2","2","1") = "7"
    & skf18("8","7","6","1","2","3","1") = "7"
    & skf18("8","7","6","1","2","4","1") = "7"
    & skf18("8","7","6","1","2","5","1") = "7"
    & skf18("8","7","6","1","2","6","1") = "7"
    & skf18("8","7","6","1","2","7","1") = "7"
    & skf18("8","7","6","1","2","8","1") = "7"
    & skf18("8","7","6","1","2","9","1") = "8"
    & skf18("8","7","6","1","2","10","1") = "9"
    & skf18("8","7","6","1","3","1","1") = "7"
    & skf18("8","7","6","1","3","2","1") = "7"
    & skf18("8","7","6","1","3","3","1") = "7"
    & skf18("8","7","6","1","3","4","1") = "7"
    & skf18("8","7","6","1","3","5","1") = "7"
    & skf18("8","7","6","1","3","6","1") = "7"
    & skf18("8","7","6","1","3","7","1") = "7"
    & skf18("8","7","6","1","3","8","1") = "7"
    & skf18("8","7","6","1","3","9","1") = "8"
    & skf18("8","7","6","1","3","10","1") = "9"
    & skf18("8","7","6","1","4","1","1") = "7"
    & skf18("8","7","6","1","4","2","1") = "7"
    & skf18("8","7","6","1","4","3","1") = "7"
    & skf18("8","7","6","1","4","4","1") = "7"
    & skf18("8","7","6","1","4","5","1") = "7"
    & skf18("8","7","6","1","4","6","1") = "7"
    & skf18("8","7","6","1","4","7","1") = "7"
    & skf18("8","7","6","1","4","8","1") = "7"
    & skf18("8","7","6","1","4","9","1") = "8"
    & skf18("8","7","6","1","4","10","1") = "9"
    & skf18("8","7","6","1","5","1","1") = "7"
    & skf18("8","7","6","1","5","2","1") = "7"
    & skf18("8","7","6","1","5","3","1") = "7"
    & skf18("8","7","6","1","5","4","1") = "7"
    & skf18("8","7","6","1","5","5","1") = "7"
    & skf18("8","7","6","1","5","6","1") = "7"
    & skf18("8","7","6","1","5","7","1") = "7"
    & skf18("8","7","6","1","5","8","1") = "7"
    & skf18("8","7","6","1","5","9","1") = "8"
    & skf18("8","7","6","1","5","10","1") = "9"
    & skf18("8","7","6","1","6","1","1") = "7"
    & skf18("8","7","6","1","6","2","1") = "7"
    & skf18("8","7","6","1","6","3","1") = "7"
    & skf18("8","7","6","1","6","4","1") = "7"
    & skf18("8","7","6","1","6","5","1") = "7"
    & skf18("8","7","6","1","6","6","1") = "7"
    & skf18("8","7","6","1","6","7","1") = "7"
    & skf18("8","7","6","1","6","8","1") = "7"
    & skf18("8","7","6","1","6","9","1") = "8"
    & skf18("8","7","6","1","6","10","1") = "9"
    & skf18("8","7","6","1","7","1","1") = "7"
    & skf18("8","7","6","1","7","2","1") = "7"
    & skf18("8","7","6","1","7","3","1") = "7"
    & skf18("8","7","6","1","7","4","1") = "7"
    & skf18("8","7","6","1","7","5","1") = "7"
    & skf18("8","7","6","1","7","6","1") = "7"
    & skf18("8","7","6","1","7","7","1") = "7"
    & skf18("8","7","6","1","7","8","1") = "7"
    & skf18("8","7","6","1","7","9","1") = "8"
    & skf18("8","7","6","1","7","10","1") = "9"
    & skf18("8","7","6","1","8","1","1") = "7"
    & skf18("8","7","6","1","8","2","1") = "7"
    & skf18("8","7","6","1","8","3","1") = "7"
    & skf18("8","7","6","1","8","4","1") = "7"
    & skf18("8","7","6","1","8","5","1") = "7"
    & skf18("8","7","6","1","8","6","1") = "7"
    & skf18("8","7","6","1","8","7","1") = "7"
    & skf18("8","7","6","1","8","8","1") = "7"
    & skf18("8","7","6","1","8","9","1") = "8"
    & skf18("8","7","6","1","8","10","1") = "9"
    & skf18("8","7","6","1","9","1","1") = "8"
    & skf18("8","7","6","1","9","2","1") = "8"
    & skf18("8","7","6","1","9","3","1") = "8"
    & skf18("8","7","6","1","9","4","1") = "8"
    & skf18("8","7","6","1","9","5","1") = "8"
    & skf18("8","7","6","1","9","6","1") = "8"
    & skf18("8","7","6","1","9","7","1") = "8"
    & skf18("8","7","6","1","9","8","1") = "8"
    & skf18("8","7","6","1","9","9","1") = "8"
    & skf18("8","7","6","1","9","10","1") = "9"
    & skf18("8","7","6","1","10","1","1") = "9"
    & skf18("8","7","6","1","10","2","1") = "9"
    & skf18("8","7","6","1","10","3","1") = "9"
    & skf18("8","7","6","1","10","4","1") = "9"
    & skf18("8","7","6","1","10","5","1") = "9"
    & skf18("8","7","6","1","10","6","1") = "9"
    & skf18("8","7","6","1","10","7","1") = "9"
    & skf18("8","7","6","1","10","8","1") = "9"
    & skf18("8","7","6","1","10","9","1") = "9"
    & skf18("8","7","6","1","10","10","1") = "9"
    & skf18("8","7","6","2","1","1","1") = "7"
    & skf18("8","7","6","2","1","2","1") = "7"
    & skf18("8","7","6","2","1","3","1") = "7"
    & skf18("8","7","6","2","1","4","1") = "7"
    & skf18("8","7","6","2","1","5","1") = "7"
    & skf18("8","7","6","2","1","6","1") = "7"
    & skf18("8","7","6","2","1","7","1") = "7"
    & skf18("8","7","6","2","1","8","1") = "7"
    & skf18("8","7","6","2","1","9","1") = "8"
    & skf18("8","7","6","2","1","10","1") = "9"
    & skf18("8","7","6","2","2","1","1") = "7"
    & skf18("8","7","6","2","2","2","1") = "7"
    & skf18("8","7","6","2","2","3","1") = "7"
    & skf18("8","7","6","2","2","4","1") = "7"
    & skf18("8","7","6","2","2","5","1") = "7"
    & skf18("8","7","6","2","2","6","1") = "7"
    & skf18("8","7","6","2","2","7","1") = "7"
    & skf18("8","7","6","2","2","8","1") = "7"
    & skf18("8","7","6","2","2","9","1") = "8"
    & skf18("8","7","6","2","2","10","1") = "9"
    & skf18("8","7","6","2","3","1","1") = "7"
    & skf18("8","7","6","2","3","2","1") = "7"
    & skf18("8","7","6","2","3","3","1") = "7"
    & skf18("8","7","6","2","3","4","1") = "7"
    & skf18("8","7","6","2","3","5","1") = "7"
    & skf18("8","7","6","2","3","6","1") = "7"
    & skf18("8","7","6","2","3","7","1") = "7"
    & skf18("8","7","6","2","3","8","1") = "7"
    & skf18("8","7","6","2","3","9","1") = "8"
    & skf18("8","7","6","2","3","10","1") = "9"
    & skf18("8","7","6","2","4","1","1") = "7"
    & skf18("8","7","6","2","4","2","1") = "7"
    & skf18("8","7","6","2","4","3","1") = "7"
    & skf18("8","7","6","2","4","4","1") = "7"
    & skf18("8","7","6","2","4","5","1") = "7"
    & skf18("8","7","6","2","4","6","1") = "7"
    & skf18("8","7","6","2","4","7","1") = "7"
    & skf18("8","7","6","2","4","8","1") = "7"
    & skf18("8","7","6","2","4","9","1") = "8"
    & skf18("8","7","6","2","4","10","1") = "9"
    & skf18("8","7","6","2","5","1","1") = "7"
    & skf18("8","7","6","2","5","2","1") = "7"
    & skf18("8","7","6","2","5","3","1") = "7"
    & skf18("8","7","6","2","5","4","1") = "7"
    & skf18("8","7","6","2","5","5","1") = "7"
    & skf18("8","7","6","2","5","6","1") = "7"
    & skf18("8","7","6","2","5","7","1") = "7"
    & skf18("8","7","6","2","5","8","1") = "7"
    & skf18("8","7","6","2","5","9","1") = "8"
    & skf18("8","7","6","2","5","10","1") = "9"
    & skf18("8","7","6","2","6","1","1") = "7"
    & skf18("8","7","6","2","6","2","1") = "7"
    & skf18("8","7","6","2","6","3","1") = "7"
    & skf18("8","7","6","2","6","4","1") = "7"
    & skf18("8","7","6","2","6","5","1") = "7"
    & skf18("8","7","6","2","6","6","1") = "7"
    & skf18("8","7","6","2","6","7","1") = "7"
    & skf18("8","7","6","2","6","8","1") = "7"
    & skf18("8","7","6","2","6","9","1") = "8"
    & skf18("8","7","6","2","6","10","1") = "9"
    & skf18("8","7","6","2","7","1","1") = "7"
    & skf18("8","7","6","2","7","2","1") = "7"
    & skf18("8","7","6","2","7","3","1") = "7"
    & skf18("8","7","6","2","7","4","1") = "7"
    & skf18("8","7","6","2","7","5","1") = "7"
    & skf18("8","7","6","2","7","6","1") = "7"
    & skf18("8","7","6","2","7","7","1") = "7"
    & skf18("8","7","6","2","7","8","1") = "7"
    & skf18("8","7","6","2","7","9","1") = "8"
    & skf18("8","7","6","2","7","10","1") = "9"
    & skf18("8","7","6","2","8","1","1") = "7"
    & skf18("8","7","6","2","8","2","1") = "7"
    & skf18("8","7","6","2","8","3","1") = "7"
    & skf18("8","7","6","2","8","4","1") = "7"
    & skf18("8","7","6","2","8","5","1") = "7"
    & skf18("8","7","6","2","8","6","1") = "7"
    & skf18("8","7","6","2","8","7","1") = "7"
    & skf18("8","7","6","2","8","8","1") = "7"
    & skf18("8","7","6","2","8","9","1") = "8"
    & skf18("8","7","6","2","8","10","1") = "9"
    & skf18("8","7","6","2","9","1","1") = "8"
    & skf18("8","7","6","2","9","2","1") = "8"
    & skf18("8","7","6","2","9","3","1") = "8"
    & skf18("8","7","6","2","9","4","1") = "8"
    & skf18("8","7","6","2","9","5","1") = "8"
    & skf18("8","7","6","2","9","6","1") = "8"
    & skf18("8","7","6","2","9","7","1") = "8"
    & skf18("8","7","6","2","9","8","1") = "8"
    & skf18("8","7","6","2","9","9","1") = "8"
    & skf18("8","7","6","2","9","10","1") = "9"
    & skf18("8","7","6","2","10","1","1") = "9"
    & skf18("8","7","6","2","10","2","1") = "9"
    & skf18("8","7","6","2","10","3","1") = "9"
    & skf18("8","7","6","2","10","4","1") = "9"
    & skf18("8","7","6","2","10","5","1") = "9"
    & skf18("8","7","6","2","10","6","1") = "9"
    & skf18("8","7","6","2","10","7","1") = "9"
    & skf18("8","7","6","2","10","8","1") = "9"
    & skf18("8","7","6","2","10","9","1") = "9"
    & skf18("8","7","6","2","10","10","1") = "9"
    & skf18("8","7","6","3","1","1","1") = "7"
    & skf18("8","7","6","3","1","2","1") = "7"
    & skf18("8","7","6","3","1","3","1") = "7"
    & skf18("8","7","6","3","1","4","1") = "7"
    & skf18("8","7","6","3","1","5","1") = "7"
    & skf18("8","7","6","3","1","6","1") = "7"
    & skf18("8","7","6","3","1","7","1") = "7"
    & skf18("8","7","6","3","1","8","1") = "7"
    & skf18("8","7","6","3","1","9","1") = "8"
    & skf18("8","7","6","3","1","10","1") = "9"
    & skf18("8","7","6","3","2","1","1") = "7"
    & skf18("8","7","6","3","2","2","1") = "7"
    & skf18("8","7","6","3","2","3","1") = "7"
    & skf18("8","7","6","3","2","4","1") = "7"
    & skf18("8","7","6","3","2","5","1") = "7"
    & skf18("8","7","6","3","2","6","1") = "7"
    & skf18("8","7","6","3","2","7","1") = "7"
    & skf18("8","7","6","3","2","8","1") = "7"
    & skf18("8","7","6","3","2","9","1") = "8"
    & skf18("8","7","6","3","2","10","1") = "9"
    & skf18("8","7","6","3","3","1","1") = "7"
    & skf18("8","7","6","3","3","2","1") = "7"
    & skf18("8","7","6","3","3","3","1") = "7"
    & skf18("8","7","6","3","3","4","1") = "7"
    & skf18("8","7","6","3","3","5","1") = "7"
    & skf18("8","7","6","3","3","6","1") = "7"
    & skf18("8","7","6","3","3","7","1") = "7"
    & skf18("8","7","6","3","3","8","1") = "7"
    & skf18("8","7","6","3","3","9","1") = "8"
    & skf18("8","7","6","3","3","10","1") = "9"
    & skf18("8","7","6","3","4","1","1") = "7"
    & skf18("8","7","6","3","4","2","1") = "7"
    & skf18("8","7","6","3","4","3","1") = "7"
    & skf18("8","7","6","3","4","4","1") = "7"
    & skf18("8","7","6","3","4","5","1") = "7"
    & skf18("8","7","6","3","4","6","1") = "7"
    & skf18("8","7","6","3","4","7","1") = "7"
    & skf18("8","7","6","3","4","8","1") = "7"
    & skf18("8","7","6","3","4","9","1") = "8"
    & skf18("8","7","6","3","4","10","1") = "9"
    & skf18("8","7","6","3","5","1","1") = "7"
    & skf18("8","7","6","3","5","2","1") = "7"
    & skf18("8","7","6","3","5","3","1") = "7"
    & skf18("8","7","6","3","5","4","1") = "7"
    & skf18("8","7","6","3","5","5","1") = "7"
    & skf18("8","7","6","3","5","6","1") = "7"
    & skf18("8","7","6","3","5","7","1") = "7"
    & skf18("8","7","6","3","5","8","1") = "7"
    & skf18("8","7","6","3","5","9","1") = "8"
    & skf18("8","7","6","3","5","10","1") = "9"
    & skf18("8","7","6","3","6","1","1") = "7"
    & skf18("8","7","6","3","6","2","1") = "7"
    & skf18("8","7","6","3","6","3","1") = "7"
    & skf18("8","7","6","3","6","4","1") = "7"
    & skf18("8","7","6","3","6","5","1") = "7"
    & skf18("8","7","6","3","6","6","1") = "7"
    & skf18("8","7","6","3","6","7","1") = "7"
    & skf18("8","7","6","3","6","8","1") = "7"
    & skf18("8","7","6","3","6","9","1") = "8"
    & skf18("8","7","6","3","6","10","1") = "9"
    & skf18("8","7","6","3","7","1","1") = "7"
    & skf18("8","7","6","3","7","2","1") = "7"
    & skf18("8","7","6","3","7","3","1") = "7"
    & skf18("8","7","6","3","7","4","1") = "7"
    & skf18("8","7","6","3","7","5","1") = "7"
    & skf18("8","7","6","3","7","6","1") = "7"
    & skf18("8","7","6","3","7","7","1") = "7"
    & skf18("8","7","6","3","7","8","1") = "7"
    & skf18("8","7","6","3","7","9","1") = "8"
    & skf18("8","7","6","3","7","10","1") = "9"
    & skf18("8","7","6","3","8","1","1") = "7"
    & skf18("8","7","6","3","8","2","1") = "7"
    & skf18("8","7","6","3","8","3","1") = "7"
    & skf18("8","7","6","3","8","4","1") = "7"
    & skf18("8","7","6","3","8","5","1") = "7"
    & skf18("8","7","6","3","8","6","1") = "7"
    & skf18("8","7","6","3","8","7","1") = "7"
    & skf18("8","7","6","3","8","8","1") = "7"
    & skf18("8","7","6","3","8","9","1") = "8"
    & skf18("8","7","6","3","8","10","1") = "9"
    & skf18("8","7","6","3","9","1","1") = "8"
    & skf18("8","7","6","3","9","2","1") = "8"
    & skf18("8","7","6","3","9","3","1") = "8"
    & skf18("8","7","6","3","9","4","1") = "8"
    & skf18("8","7","6","3","9","5","1") = "8"
    & skf18("8","7","6","3","9","6","1") = "8"
    & skf18("8","7","6","3","9","7","1") = "8"
    & skf18("8","7","6","3","9","8","1") = "8"
    & skf18("8","7","6","3","9","9","1") = "8"
    & skf18("8","7","6","3","9","10","1") = "9"
    & skf18("8","7","6","3","10","1","1") = "9"
    & skf18("8","7","6","3","10","2","1") = "9"
    & skf18("8","7","6","3","10","3","1") = "9"
    & skf18("8","7","6","3","10","4","1") = "9"
    & skf18("8","7","6","3","10","5","1") = "9"
    & skf18("8","7","6","3","10","6","1") = "9"
    & skf18("8","7","6","3","10","7","1") = "9"
    & skf18("8","7","6","3","10","8","1") = "9"
    & skf18("8","7","6","3","10","9","1") = "9"
    & skf18("8","7","6","3","10","10","1") = "9"
    & skf18("8","7","6","4","1","1","1") = "7"
    & skf18("8","7","6","4","1","2","1") = "7"
    & skf18("8","7","6","4","1","3","1") = "7"
    & skf18("8","7","6","4","1","4","1") = "7"
    & skf18("8","7","6","4","1","5","1") = "7"
    & skf18("8","7","6","4","1","6","1") = "7"
    & skf18("8","7","6","4","1","7","1") = "7"
    & skf18("8","7","6","4","1","8","1") = "7"
    & skf18("8","7","6","4","1","9","1") = "8"
    & skf18("8","7","6","4","1","10","1") = "9"
    & skf18("8","7","6","4","2","1","1") = "7"
    & skf18("8","7","6","4","2","2","1") = "7"
    & skf18("8","7","6","4","2","3","1") = "7"
    & skf18("8","7","6","4","2","4","1") = "7"
    & skf18("8","7","6","4","2","5","1") = "7"
    & skf18("8","7","6","4","2","6","1") = "7"
    & skf18("8","7","6","4","2","7","1") = "7"
    & skf18("8","7","6","4","2","8","1") = "7"
    & skf18("8","7","6","4","2","9","1") = "8"
    & skf18("8","7","6","4","2","10","1") = "9"
    & skf18("8","7","6","4","3","1","1") = "7"
    & skf18("8","7","6","4","3","2","1") = "7"
    & skf18("8","7","6","4","3","3","1") = "7"
    & skf18("8","7","6","4","3","4","1") = "7"
    & skf18("8","7","6","4","3","5","1") = "7"
    & skf18("8","7","6","4","3","6","1") = "7"
    & skf18("8","7","6","4","3","7","1") = "7"
    & skf18("8","7","6","4","3","8","1") = "7"
    & skf18("8","7","6","4","3","9","1") = "8"
    & skf18("8","7","6","4","3","10","1") = "9"
    & skf18("8","7","6","4","4","1","1") = "7"
    & skf18("8","7","6","4","4","2","1") = "7"
    & skf18("8","7","6","4","4","3","1") = "7"
    & skf18("8","7","6","4","4","4","1") = "7"
    & skf18("8","7","6","4","4","5","1") = "7"
    & skf18("8","7","6","4","4","6","1") = "7"
    & skf18("8","7","6","4","4","7","1") = "7"
    & skf18("8","7","6","4","4","8","1") = "7"
    & skf18("8","7","6","4","4","9","1") = "8"
    & skf18("8","7","6","4","4","10","1") = "9"
    & skf18("8","7","6","4","5","1","1") = "7"
    & skf18("8","7","6","4","5","2","1") = "7"
    & skf18("8","7","6","4","5","3","1") = "7"
    & skf18("8","7","6","4","5","4","1") = "7"
    & skf18("8","7","6","4","5","5","1") = "7"
    & skf18("8","7","6","4","5","6","1") = "7"
    & skf18("8","7","6","4","5","7","1") = "7"
    & skf18("8","7","6","4","5","8","1") = "7"
    & skf18("8","7","6","4","5","9","1") = "8"
    & skf18("8","7","6","4","5","10","1") = "9"
    & skf18("8","7","6","4","6","1","1") = "7"
    & skf18("8","7","6","4","6","2","1") = "7"
    & skf18("8","7","6","4","6","3","1") = "7"
    & skf18("8","7","6","4","6","4","1") = "7"
    & skf18("8","7","6","4","6","5","1") = "7"
    & skf18("8","7","6","4","6","6","1") = "7"
    & skf18("8","7","6","4","6","7","1") = "7"
    & skf18("8","7","6","4","6","8","1") = "7"
    & skf18("8","7","6","4","6","9","1") = "8"
    & skf18("8","7","6","4","6","10","1") = "9"
    & skf18("8","7","6","4","7","1","1") = "7"
    & skf18("8","7","6","4","7","2","1") = "7"
    & skf18("8","7","6","4","7","3","1") = "7"
    & skf18("8","7","6","4","7","4","1") = "7"
    & skf18("8","7","6","4","7","5","1") = "7"
    & skf18("8","7","6","4","7","6","1") = "7"
    & skf18("8","7","6","4","7","7","1") = "7"
    & skf18("8","7","6","4","7","8","1") = "7"
    & skf18("8","7","6","4","7","9","1") = "8"
    & skf18("8","7","6","4","7","10","1") = "9"
    & skf18("8","7","6","4","8","1","1") = "7"
    & skf18("8","7","6","4","8","2","1") = "7"
    & skf18("8","7","6","4","8","3","1") = "7"
    & skf18("8","7","6","4","8","4","1") = "7"
    & skf18("8","7","6","4","8","5","1") = "7"
    & skf18("8","7","6","4","8","6","1") = "7"
    & skf18("8","7","6","4","8","7","1") = "7"
    & skf18("8","7","6","4","8","8","1") = "7"
    & skf18("8","7","6","4","8","9","1") = "8"
    & skf18("8","7","6","4","8","10","1") = "9"
    & skf18("8","7","6","4","9","1","1") = "8"
    & skf18("8","7","6","4","9","2","1") = "8"
    & skf18("8","7","6","4","9","3","1") = "8"
    & skf18("8","7","6","4","9","4","1") = "8"
    & skf18("8","7","6","4","9","5","1") = "8"
    & skf18("8","7","6","4","9","6","1") = "8"
    & skf18("8","7","6","4","9","7","1") = "8"
    & skf18("8","7","6","4","9","8","1") = "8"
    & skf18("8","7","6","4","9","9","1") = "8"
    & skf18("8","7","6","4","9","10","1") = "9"
    & skf18("8","7","6","4","10","1","1") = "9"
    & skf18("8","7","6","4","10","2","1") = "9"
    & skf18("8","7","6","4","10","3","1") = "9"
    & skf18("8","7","6","4","10","4","1") = "9"
    & skf18("8","7","6","4","10","5","1") = "9"
    & skf18("8","7","6","4","10","6","1") = "9"
    & skf18("8","7","6","4","10","7","1") = "9"
    & skf18("8","7","6","4","10","8","1") = "9"
    & skf18("8","7","6","4","10","9","1") = "9"
    & skf18("8","7","6","4","10","10","1") = "9"
    & skf18("8","7","6","5","1","1","1") = "7"
    & skf18("8","7","6","5","1","2","1") = "7"
    & skf18("8","7","6","5","1","3","1") = "7"
    & skf18("8","7","6","5","1","4","1") = "7"
    & skf18("8","7","6","5","1","5","1") = "7"
    & skf18("8","7","6","5","1","6","1") = "7"
    & skf18("8","7","6","5","1","7","1") = "7"
    & skf18("8","7","6","5","1","8","1") = "7"
    & skf18("8","7","6","5","1","9","1") = "8"
    & skf18("8","7","6","5","1","10","1") = "9"
    & skf18("8","7","6","5","2","1","1") = "7"
    & skf18("8","7","6","5","2","2","1") = "7"
    & skf18("8","7","6","5","2","3","1") = "7"
    & skf18("8","7","6","5","2","4","1") = "7"
    & skf18("8","7","6","5","2","5","1") = "7"
    & skf18("8","7","6","5","2","6","1") = "7"
    & skf18("8","7","6","5","2","7","1") = "7"
    & skf18("8","7","6","5","2","8","1") = "7"
    & skf18("8","7","6","5","2","9","1") = "8"
    & skf18("8","7","6","5","2","10","1") = "9"
    & skf18("8","7","6","5","3","1","1") = "7"
    & skf18("8","7","6","5","3","2","1") = "7"
    & skf18("8","7","6","5","3","3","1") = "7"
    & skf18("8","7","6","5","3","4","1") = "7"
    & skf18("8","7","6","5","3","5","1") = "7"
    & skf18("8","7","6","5","3","6","1") = "7"
    & skf18("8","7","6","5","3","7","1") = "7"
    & skf18("8","7","6","5","3","8","1") = "7"
    & skf18("8","7","6","5","3","9","1") = "8"
    & skf18("8","7","6","5","3","10","1") = "9"
    & skf18("8","7","6","5","4","1","1") = "7"
    & skf18("8","7","6","5","4","2","1") = "7"
    & skf18("8","7","6","5","4","3","1") = "7"
    & skf18("8","7","6","5","4","4","1") = "7"
    & skf18("8","7","6","5","4","5","1") = "7"
    & skf18("8","7","6","5","4","6","1") = "7"
    & skf18("8","7","6","5","4","7","1") = "7"
    & skf18("8","7","6","5","4","8","1") = "7"
    & skf18("8","7","6","5","4","9","1") = "8"
    & skf18("8","7","6","5","4","10","1") = "9"
    & skf18("8","7","6","5","5","1","1") = "7"
    & skf18("8","7","6","5","5","2","1") = "7"
    & skf18("8","7","6","5","5","3","1") = "7"
    & skf18("8","7","6","5","5","4","1") = "7"
    & skf18("8","7","6","5","5","5","1") = "7"
    & skf18("8","7","6","5","5","6","1") = "7"
    & skf18("8","7","6","5","5","7","1") = "7"
    & skf18("8","7","6","5","5","8","1") = "7"
    & skf18("8","7","6","5","5","9","1") = "8"
    & skf18("8","7","6","5","5","10","1") = "9"
    & skf18("8","7","6","5","6","1","1") = "7"
    & skf18("8","7","6","5","6","2","1") = "7"
    & skf18("8","7","6","5","6","3","1") = "7"
    & skf18("8","7","6","5","6","4","1") = "7"
    & skf18("8","7","6","5","6","5","1") = "7"
    & skf18("8","7","6","5","6","6","1") = "7"
    & skf18("8","7","6","5","6","7","1") = "7"
    & skf18("8","7","6","5","6","8","1") = "7"
    & skf18("8","7","6","5","6","9","1") = "8"
    & skf18("8","7","6","5","6","10","1") = "9"
    & skf18("8","7","6","5","7","1","1") = "7"
    & skf18("8","7","6","5","7","2","1") = "7"
    & skf18("8","7","6","5","7","3","1") = "7"
    & skf18("8","7","6","5","7","4","1") = "7"
    & skf18("8","7","6","5","7","5","1") = "7"
    & skf18("8","7","6","5","7","6","1") = "7"
    & skf18("8","7","6","5","7","7","1") = "7"
    & skf18("8","7","6","5","7","8","1") = "7"
    & skf18("8","7","6","5","7","9","1") = "8"
    & skf18("8","7","6","5","7","10","1") = "9"
    & skf18("8","7","6","5","8","1","1") = "7"
    & skf18("8","7","6","5","8","2","1") = "7"
    & skf18("8","7","6","5","8","3","1") = "7"
    & skf18("8","7","6","5","8","4","1") = "7"
    & skf18("8","7","6","5","8","5","1") = "7"
    & skf18("8","7","6","5","8","6","1") = "7"
    & skf18("8","7","6","5","8","7","1") = "7"
    & skf18("8","7","6","5","8","8","1") = "7"
    & skf18("8","7","6","5","8","9","1") = "8"
    & skf18("8","7","6","5","8","10","1") = "9"
    & skf18("8","7","6","5","9","1","1") = "8"
    & skf18("8","7","6","5","9","2","1") = "8"
    & skf18("8","7","6","5","9","3","1") = "8"
    & skf18("8","7","6","5","9","4","1") = "8"
    & skf18("8","7","6","5","9","5","1") = "8"
    & skf18("8","7","6","5","9","6","1") = "8"
    & skf18("8","7","6","5","9","7","1") = "8"
    & skf18("8","7","6","5","9","8","1") = "8"
    & skf18("8","7","6","5","9","9","1") = "8"
    & skf18("8","7","6","5","9","10","1") = "9"
    & skf18("8","7","6","5","10","1","1") = "9"
    & skf18("8","7","6","5","10","2","1") = "9"
    & skf18("8","7","6","5","10","3","1") = "9"
    & skf18("8","7","6","5","10","4","1") = "9"
    & skf18("8","7","6","5","10","5","1") = "9"
    & skf18("8","7","6","5","10","6","1") = "9"
    & skf18("8","7","6","5","10","7","1") = "9"
    & skf18("8","7","6","5","10","8","1") = "9"
    & skf18("8","7","6","5","10","9","1") = "9"
    & skf18("8","7","6","5","10","10","1") = "9"
    & skf18("8","7","6","6","1","1","1") = "7"
    & skf18("8","7","6","6","1","2","1") = "7"
    & skf18("8","7","6","6","1","3","1") = "7"
    & skf18("8","7","6","6","1","4","1") = "7"
    & skf18("8","7","6","6","1","5","1") = "7"
    & skf18("8","7","6","6","1","6","1") = "7"
    & skf18("8","7","6","6","1","7","1") = "7"
    & skf18("8","7","6","6","1","8","1") = "7"
    & skf18("8","7","6","6","1","9","1") = "8"
    & skf18("8","7","6","6","1","10","1") = "9"
    & skf18("8","7","6","6","2","1","1") = "7"
    & skf18("8","7","6","6","2","2","1") = "7"
    & skf18("8","7","6","6","2","3","1") = "7"
    & skf18("8","7","6","6","2","4","1") = "7"
    & skf18("8","7","6","6","2","5","1") = "7"
    & skf18("8","7","6","6","2","6","1") = "7"
    & skf18("8","7","6","6","2","7","1") = "7"
    & skf18("8","7","6","6","2","8","1") = "7"
    & skf18("8","7","6","6","2","9","1") = "8"
    & skf18("8","7","6","6","2","10","1") = "9"
    & skf18("8","7","6","6","3","1","1") = "7"
    & skf18("8","7","6","6","3","2","1") = "7"
    & skf18("8","7","6","6","3","3","1") = "7"
    & skf18("8","7","6","6","3","4","1") = "7"
    & skf18("8","7","6","6","3","5","1") = "7"
    & skf18("8","7","6","6","3","6","1") = "7"
    & skf18("8","7","6","6","3","7","1") = "7"
    & skf18("8","7","6","6","3","8","1") = "7"
    & skf18("8","7","6","6","3","9","1") = "8"
    & skf18("8","7","6","6","3","10","1") = "9"
    & skf18("8","7","6","6","4","1","1") = "7"
    & skf18("8","7","6","6","4","2","1") = "7"
    & skf18("8","7","6","6","4","3","1") = "7"
    & skf18("8","7","6","6","4","4","1") = "7"
    & skf18("8","7","6","6","4","5","1") = "7"
    & skf18("8","7","6","6","4","6","1") = "7"
    & skf18("8","7","6","6","4","7","1") = "7"
    & skf18("8","7","6","6","4","8","1") = "7"
    & skf18("8","7","6","6","4","9","1") = "8"
    & skf18("8","7","6","6","4","10","1") = "9"
    & skf18("8","7","6","6","5","1","1") = "7"
    & skf18("8","7","6","6","5","2","1") = "7"
    & skf18("8","7","6","6","5","3","1") = "7"
    & skf18("8","7","6","6","5","4","1") = "7"
    & skf18("8","7","6","6","5","5","1") = "7"
    & skf18("8","7","6","6","5","6","1") = "7"
    & skf18("8","7","6","6","5","7","1") = "7"
    & skf18("8","7","6","6","5","8","1") = "7"
    & skf18("8","7","6","6","5","9","1") = "8"
    & skf18("8","7","6","6","5","10","1") = "9"
    & skf18("8","7","6","6","6","1","1") = "7"
    & skf18("8","7","6","6","6","2","1") = "7"
    & skf18("8","7","6","6","6","3","1") = "7"
    & skf18("8","7","6","6","6","4","1") = "7"
    & skf18("8","7","6","6","6","5","1") = "7"
    & skf18("8","7","6","6","6","6","1") = "7"
    & skf18("8","7","6","6","6","7","1") = "7"
    & skf18("8","7","6","6","6","8","1") = "7"
    & skf18("8","7","6","6","6","9","1") = "8"
    & skf18("8","7","6","6","6","10","1") = "9"
    & skf18("8","7","6","6","7","1","1") = "7"
    & skf18("8","7","6","6","7","2","1") = "7"
    & skf18("8","7","6","6","7","3","1") = "7"
    & skf18("8","7","6","6","7","4","1") = "7"
    & skf18("8","7","6","6","7","5","1") = "7"
    & skf18("8","7","6","6","7","6","1") = "7"
    & skf18("8","7","6","6","7","7","1") = "7"
    & skf18("8","7","6","6","7","8","1") = "7"
    & skf18("8","7","6","6","7","9","1") = "8"
    & skf18("8","7","6","6","7","10","1") = "9"
    & skf18("8","7","6","6","8","1","1") = "7"
    & skf18("8","7","6","6","8","2","1") = "7"
    & skf18("8","7","6","6","8","3","1") = "7"
    & skf18("8","7","6","6","8","4","1") = "7"
    & skf18("8","7","6","6","8","5","1") = "7"
    & skf18("8","7","6","6","8","6","1") = "7"
    & skf18("8","7","6","6","8","7","1") = "7"
    & skf18("8","7","6","6","8","8","1") = "7"
    & skf18("8","7","6","6","8","9","1") = "8"
    & skf18("8","7","6","6","8","10","1") = "9"
    & skf18("8","7","6","6","9","1","1") = "8"
    & skf18("8","7","6","6","9","2","1") = "8"
    & skf18("8","7","6","6","9","3","1") = "8"
    & skf18("8","7","6","6","9","4","1") = "8"
    & skf18("8","7","6","6","9","5","1") = "8"
    & skf18("8","7","6","6","9","6","1") = "8"
    & skf18("8","7","6","6","9","7","1") = "8"
    & skf18("8","7","6","6","9","8","1") = "8"
    & skf18("8","7","6","6","9","9","1") = "8"
    & skf18("8","7","6","6","9","10","1") = "9"
    & skf18("8","7","6","6","10","1","1") = "9"
    & skf18("8","7","6","6","10","2","1") = "9"
    & skf18("8","7","6","6","10","3","1") = "9"
    & skf18("8","7","6","6","10","4","1") = "9"
    & skf18("8","7","6","6","10","5","1") = "9"
    & skf18("8","7","6","6","10","6","1") = "9"
    & skf18("8","7","6","6","10","7","1") = "9"
    & skf18("8","7","6","6","10","8","1") = "9"
    & skf18("8","7","6","6","10","9","1") = "9"
    & skf18("8","7","6","6","10","10","1") = "9"
    & skf18("8","7","6","7","1","1","1") = "7"
    & skf18("8","7","6","7","1","2","1") = "7"
    & skf18("8","7","6","7","1","3","1") = "7"
    & skf18("8","7","6","7","1","4","1") = "7"
    & skf18("8","7","6","7","1","5","1") = "7"
    & skf18("8","7","6","7","1","6","1") = "7"
    & skf18("8","7","6","7","1","7","1") = "7"
    & skf18("8","7","6","7","1","8","1") = "7"
    & skf18("8","7","6","7","1","9","1") = "8"
    & skf18("8","7","6","7","1","10","1") = "9"
    & skf18("8","7","6","7","2","1","1") = "7"
    & skf18("8","7","6","7","2","2","1") = "7"
    & skf18("8","7","6","7","2","3","1") = "7"
    & skf18("8","7","6","7","2","4","1") = "7"
    & skf18("8","7","6","7","2","5","1") = "7"
    & skf18("8","7","6","7","2","6","1") = "7"
    & skf18("8","7","6","7","2","7","1") = "7"
    & skf18("8","7","6","7","2","8","1") = "7"
    & skf18("8","7","6","7","2","9","1") = "8"
    & skf18("8","7","6","7","2","10","1") = "9"
    & skf18("8","7","6","7","3","1","1") = "7"
    & skf18("8","7","6","7","3","2","1") = "7"
    & skf18("8","7","6","7","3","3","1") = "7"
    & skf18("8","7","6","7","3","4","1") = "7"
    & skf18("8","7","6","7","3","5","1") = "7"
    & skf18("8","7","6","7","3","6","1") = "7"
    & skf18("8","7","6","7","3","7","1") = "7"
    & skf18("8","7","6","7","3","8","1") = "7"
    & skf18("8","7","6","7","3","9","1") = "8"
    & skf18("8","7","6","7","3","10","1") = "9"
    & skf18("8","7","6","7","4","1","1") = "7"
    & skf18("8","7","6","7","4","2","1") = "7"
    & skf18("8","7","6","7","4","3","1") = "7"
    & skf18("8","7","6","7","4","4","1") = "7"
    & skf18("8","7","6","7","4","5","1") = "7"
    & skf18("8","7","6","7","4","6","1") = "7"
    & skf18("8","7","6","7","4","7","1") = "7"
    & skf18("8","7","6","7","4","8","1") = "7"
    & skf18("8","7","6","7","4","9","1") = "8"
    & skf18("8","7","6","7","4","10","1") = "9"
    & skf18("8","7","6","7","5","1","1") = "7"
    & skf18("8","7","6","7","5","2","1") = "7"
    & skf18("8","7","6","7","5","3","1") = "7"
    & skf18("8","7","6","7","5","4","1") = "7"
    & skf18("8","7","6","7","5","5","1") = "7"
    & skf18("8","7","6","7","5","6","1") = "7"
    & skf18("8","7","6","7","5","7","1") = "7"
    & skf18("8","7","6","7","5","8","1") = "7"
    & skf18("8","7","6","7","5","9","1") = "8"
    & skf18("8","7","6","7","5","10","1") = "9"
    & skf18("8","7","6","7","6","1","1") = "7"
    & skf18("8","7","6","7","6","2","1") = "7"
    & skf18("8","7","6","7","6","3","1") = "7"
    & skf18("8","7","6","7","6","4","1") = "7"
    & skf18("8","7","6","7","6","5","1") = "7"
    & skf18("8","7","6","7","6","6","1") = "7"
    & skf18("8","7","6","7","6","7","1") = "7"
    & skf18("8","7","6","7","6","8","1") = "7"
    & skf18("8","7","6","7","6","9","1") = "8"
    & skf18("8","7","6","7","6","10","1") = "9"
    & skf18("8","7","6","7","7","1","1") = "7"
    & skf18("8","7","6","7","7","2","1") = "7"
    & skf18("8","7","6","7","7","3","1") = "7"
    & skf18("8","7","6","7","7","4","1") = "7"
    & skf18("8","7","6","7","7","5","1") = "7"
    & skf18("8","7","6","7","7","6","1") = "7"
    & skf18("8","7","6","7","7","7","1") = "7"
    & skf18("8","7","6","7","7","8","1") = "7"
    & skf18("8","7","6","7","7","9","1") = "8"
    & skf18("8","7","6","7","7","10","1") = "9"
    & skf18("8","7","6","7","8","1","1") = "7"
    & skf18("8","7","6","7","8","2","1") = "7"
    & skf18("8","7","6","7","8","3","1") = "7"
    & skf18("8","7","6","7","8","4","1") = "7"
    & skf18("8","7","6","7","8","5","1") = "7"
    & skf18("8","7","6","7","8","6","1") = "7"
    & skf18("8","7","6","7","8","7","1") = "7"
    & skf18("8","7","6","7","8","8","1") = "7"
    & skf18("8","7","6","7","8","9","1") = "8"
    & skf18("8","7","6","7","8","10","1") = "9"
    & skf18("8","7","6","7","9","1","1") = "8"
    & skf18("8","7","6","7","9","2","1") = "8"
    & skf18("8","7","6","7","9","3","1") = "8"
    & skf18("8","7","6","7","9","4","1") = "8"
    & skf18("8","7","6","7","9","5","1") = "8"
    & skf18("8","7","6","7","9","6","1") = "8"
    & skf18("8","7","6","7","9","7","1") = "8"
    & skf18("8","7","6","7","9","8","1") = "8"
    & skf18("8","7","6","7","9","9","1") = "8"
    & skf18("8","7","6","7","9","10","1") = "9"
    & skf18("8","7","6","7","10","1","1") = "9"
    & skf18("8","7","6","7","10","2","1") = "9"
    & skf18("8","7","6","7","10","3","1") = "9"
    & skf18("8","7","6","7","10","4","1") = "9"
    & skf18("8","7","6","7","10","5","1") = "9"
    & skf18("8","7","6","7","10","6","1") = "9"
    & skf18("8","7","6","7","10","7","1") = "9"
    & skf18("8","7","6","7","10","8","1") = "9"
    & skf18("8","7","6","7","10","9","1") = "9"
    & skf18("8","7","6","7","10","10","1") = "9"
    & skf18("8","7","6","8","1","1","1") = "7"
    & skf18("8","7","6","8","1","2","1") = "7"
    & skf18("8","7","6","8","1","3","1") = "7"
    & skf18("8","7","6","8","1","4","1") = "7"
    & skf18("8","7","6","8","1","5","1") = "7"
    & skf18("8","7","6","8","1","6","1") = "7"
    & skf18("8","7","6","8","1","7","1") = "7"
    & skf18("8","7","6","8","1","8","1") = "7"
    & skf18("8","7","6","8","1","9","1") = "8"
    & skf18("8","7","6","8","1","10","1") = "9"
    & skf18("8","7","6","8","2","1","1") = "7"
    & skf18("8","7","6","8","2","2","1") = "7"
    & skf18("8","7","6","8","2","3","1") = "7"
    & skf18("8","7","6","8","2","4","1") = "7"
    & skf18("8","7","6","8","2","5","1") = "7"
    & skf18("8","7","6","8","2","6","1") = "7"
    & skf18("8","7","6","8","2","7","1") = "7"
    & skf18("8","7","6","8","2","8","1") = "7"
    & skf18("8","7","6","8","2","9","1") = "8"
    & skf18("8","7","6","8","2","10","1") = "9"
    & skf18("8","7","6","8","3","1","1") = "7"
    & skf18("8","7","6","8","3","2","1") = "7"
    & skf18("8","7","6","8","3","3","1") = "7"
    & skf18("8","7","6","8","3","4","1") = "7"
    & skf18("8","7","6","8","3","5","1") = "7"
    & skf18("8","7","6","8","3","6","1") = "7"
    & skf18("8","7","6","8","3","7","1") = "7"
    & skf18("8","7","6","8","3","8","1") = "7"
    & skf18("8","7","6","8","3","9","1") = "8"
    & skf18("8","7","6","8","3","10","1") = "9"
    & skf18("8","7","6","8","4","1","1") = "7"
    & skf18("8","7","6","8","4","2","1") = "7"
    & skf18("8","7","6","8","4","3","1") = "7"
    & skf18("8","7","6","8","4","4","1") = "7"
    & skf18("8","7","6","8","4","5","1") = "7"
    & skf18("8","7","6","8","4","6","1") = "7"
    & skf18("8","7","6","8","4","7","1") = "7"
    & skf18("8","7","6","8","4","8","1") = "7"
    & skf18("8","7","6","8","4","9","1") = "8"
    & skf18("8","7","6","8","4","10","1") = "9"
    & skf18("8","7","6","8","5","1","1") = "7"
    & skf18("8","7","6","8","5","2","1") = "7"
    & skf18("8","7","6","8","5","3","1") = "7"
    & skf18("8","7","6","8","5","4","1") = "7"
    & skf18("8","7","6","8","5","5","1") = "7"
    & skf18("8","7","6","8","5","6","1") = "7"
    & skf18("8","7","6","8","5","7","1") = "7"
    & skf18("8","7","6","8","5","8","1") = "7"
    & skf18("8","7","6","8","5","9","1") = "8"
    & skf18("8","7","6","8","5","10","1") = "9"
    & skf18("8","7","6","8","6","1","1") = "7"
    & skf18("8","7","6","8","6","2","1") = "7"
    & skf18("8","7","6","8","6","3","1") = "7"
    & skf18("8","7","6","8","6","4","1") = "7"
    & skf18("8","7","6","8","6","5","1") = "7"
    & skf18("8","7","6","8","6","6","1") = "7"
    & skf18("8","7","6","8","6","7","1") = "7"
    & skf18("8","7","6","8","6","8","1") = "7"
    & skf18("8","7","6","8","6","9","1") = "8"
    & skf18("8","7","6","8","6","10","1") = "9"
    & skf18("8","7","6","8","7","1","1") = "7"
    & skf18("8","7","6","8","7","2","1") = "7"
    & skf18("8","7","6","8","7","3","1") = "7"
    & skf18("8","7","6","8","7","4","1") = "7"
    & skf18("8","7","6","8","7","5","1") = "7"
    & skf18("8","7","6","8","7","6","1") = "7"
    & skf18("8","7","6","8","7","7","1") = "7"
    & skf18("8","7","6","8","7","8","1") = "7"
    & skf18("8","7","6","8","7","9","1") = "8"
    & skf18("8","7","6","8","7","10","1") = "9"
    & skf18("8","7","6","8","8","1","1") = "7"
    & skf18("8","7","6","8","8","2","1") = "7"
    & skf18("8","7","6","8","8","3","1") = "7"
    & skf18("8","7","6","8","8","4","1") = "7"
    & skf18("8","7","6","8","8","5","1") = "7"
    & skf18("8","7","6","8","8","6","1") = "7"
    & skf18("8","7","6","8","8","7","1") = "7"
    & skf18("8","7","6","8","8","8","1") = "7"
    & skf18("8","7","6","8","8","9","1") = "8"
    & skf18("8","7","6","8","8","10","1") = "9"
    & skf18("8","7","6","8","9","1","1") = "8"
    & skf18("8","7","6","8","9","2","1") = "8"
    & skf18("8","7","6","8","9","3","1") = "8"
    & skf18("8","7","6","8","9","4","1") = "8"
    & skf18("8","7","6","8","9","5","1") = "8"
    & skf18("8","7","6","8","9","6","1") = "8"
    & skf18("8","7","6","8","9","7","1") = "8"
    & skf18("8","7","6","8","9","8","1") = "8"
    & skf18("8","7","6","8","9","9","1") = "8"
    & skf18("8","7","6","8","9","10","1") = "9"
    & skf18("8","7","6","8","10","1","1") = "9"
    & skf18("8","7","6","8","10","2","1") = "9"
    & skf18("8","7","6","8","10","3","1") = "9"
    & skf18("8","7","6","8","10","4","1") = "9"
    & skf18("8","7","6","8","10","5","1") = "9"
    & skf18("8","7","6","8","10","6","1") = "9"
    & skf18("8","7","6","8","10","7","1") = "9"
    & skf18("8","7","6","8","10","8","1") = "9"
    & skf18("8","7","6","8","10","9","1") = "9"
    & skf18("8","7","6","8","10","10","1") = "9"
    & skf18("8","7","6","9","1","1","1") = "8"
    & skf18("8","7","6","9","1","2","1") = "8"
    & skf18("8","7","6","9","1","3","1") = "8"
    & skf18("8","7","6","9","1","4","1") = "8"
    & skf18("8","7","6","9","1","5","1") = "8"
    & skf18("8","7","6","9","1","6","1") = "8"
    & skf18("8","7","6","9","1","7","1") = "8"
    & skf18("8","7","6","9","1","8","1") = "8"
    & skf18("8","7","6","9","1","9","1") = "8"
    & skf18("8","7","6","9","1","10","1") = "9"
    & skf18("8","7","6","9","2","1","1") = "8"
    & skf18("8","7","6","9","2","2","1") = "8"
    & skf18("8","7","6","9","2","3","1") = "8"
    & skf18("8","7","6","9","2","4","1") = "8"
    & skf18("8","7","6","9","2","5","1") = "8"
    & skf18("8","7","6","9","2","6","1") = "8"
    & skf18("8","7","6","9","2","7","1") = "8"
    & skf18("8","7","6","9","2","8","1") = "8"
    & skf18("8","7","6","9","2","9","1") = "8"
    & skf18("8","7","6","9","2","10","1") = "9"
    & skf18("8","7","6","9","3","1","1") = "8"
    & skf18("8","7","6","9","3","2","1") = "8"
    & skf18("8","7","6","9","3","3","1") = "8"
    & skf18("8","7","6","9","3","4","1") = "8"
    & skf18("8","7","6","9","3","5","1") = "8"
    & skf18("8","7","6","9","3","6","1") = "8"
    & skf18("8","7","6","9","3","7","1") = "8"
    & skf18("8","7","6","9","3","8","1") = "8"
    & skf18("8","7","6","9","3","9","1") = "8"
    & skf18("8","7","6","9","3","10","1") = "9"
    & skf18("8","7","6","9","4","1","1") = "8"
    & skf18("8","7","6","9","4","2","1") = "8"
    & skf18("8","7","6","9","4","3","1") = "8"
    & skf18("8","7","6","9","4","4","1") = "8"
    & skf18("8","7","6","9","4","5","1") = "8"
    & skf18("8","7","6","9","4","6","1") = "8"
    & skf18("8","7","6","9","4","7","1") = "8"
    & skf18("8","7","6","9","4","8","1") = "8"
    & skf18("8","7","6","9","4","9","1") = "8"
    & skf18("8","7","6","9","4","10","1") = "9"
    & skf18("8","7","6","9","5","1","1") = "8"
    & skf18("8","7","6","9","5","2","1") = "8"
    & skf18("8","7","6","9","5","3","1") = "8"
    & skf18("8","7","6","9","5","4","1") = "8"
    & skf18("8","7","6","9","5","5","1") = "8"
    & skf18("8","7","6","9","5","6","1") = "8"
    & skf18("8","7","6","9","5","7","1") = "8"
    & skf18("8","7","6","9","5","8","1") = "8"
    & skf18("8","7","6","9","5","9","1") = "8"
    & skf18("8","7","6","9","5","10","1") = "9"
    & skf18("8","7","6","9","6","1","1") = "8"
    & skf18("8","7","6","9","6","2","1") = "8"
    & skf18("8","7","6","9","6","3","1") = "8"
    & skf18("8","7","6","9","6","4","1") = "8"
    & skf18("8","7","6","9","6","5","1") = "8"
    & skf18("8","7","6","9","6","6","1") = "8"
    & skf18("8","7","6","9","6","7","1") = "8"
    & skf18("8","7","6","9","6","8","1") = "8"
    & skf18("8","7","6","9","6","9","1") = "8"
    & skf18("8","7","6","9","6","10","1") = "9"
    & skf18("8","7","6","9","7","1","1") = "8"
    & skf18("8","7","6","9","7","2","1") = "8"
    & skf18("8","7","6","9","7","3","1") = "8"
    & skf18("8","7","6","9","7","4","1") = "8"
    & skf18("8","7","6","9","7","5","1") = "8"
    & skf18("8","7","6","9","7","6","1") = "8"
    & skf18("8","7","6","9","7","7","1") = "8"
    & skf18("8","7","6","9","7","8","1") = "8"
    & skf18("8","7","6","9","7","9","1") = "8"
    & skf18("8","7","6","9","7","10","1") = "9"
    & skf18("8","7","6","9","8","1","1") = "8"
    & skf18("8","7","6","9","8","2","1") = "8"
    & skf18("8","7","6","9","8","3","1") = "8"
    & skf18("8","7","6","9","8","4","1") = "8"
    & skf18("8","7","6","9","8","5","1") = "8"
    & skf18("8","7","6","9","8","6","1") = "8"
    & skf18("8","7","6","9","8","7","1") = "8"
    & skf18("8","7","6","9","8","8","1") = "8"
    & skf18("8","7","6","9","8","9","1") = "8"
    & skf18("8","7","6","9","8","10","1") = "9"
    & skf18("8","7","6","9","9","1","1") = "8"
    & skf18("8","7","6","9","9","2","1") = "8"
    & skf18("8","7","6","9","9","3","1") = "8"
    & skf18("8","7","6","9","9","4","1") = "8"
    & skf18("8","7","6","9","9","5","1") = "8"
    & skf18("8","7","6","9","9","6","1") = "8"
    & skf18("8","7","6","9","9","7","1") = "8"
    & skf18("8","7","6","9","9","8","1") = "8"
    & skf18("8","7","6","9","9","9","1") = "8"
    & skf18("8","7","6","9","9","10","1") = "9"
    & skf18("8","7","6","9","10","1","1") = "9"
    & skf18("8","7","6","9","10","2","1") = "9"
    & skf18("8","7","6","9","10","3","1") = "9"
    & skf18("8","7","6","9","10","4","1") = "9"
    & skf18("8","7","6","9","10","5","1") = "9"
    & skf18("8","7","6","9","10","6","1") = "9"
    & skf18("8","7","6","9","10","7","1") = "9"
    & skf18("8","7","6","9","10","8","1") = "9"
    & skf18("8","7","6","9","10","9","1") = "9"
    & skf18("8","7","6","9","10","10","1") = "9"
    & skf18("8","7","6","10","1","1","1") = "9"
    & skf18("8","7","6","10","1","2","1") = "9"
    & skf18("8","7","6","10","1","3","1") = "9"
    & skf18("8","7","6","10","1","4","1") = "9"
    & skf18("8","7","6","10","1","5","1") = "9"
    & skf18("8","7","6","10","1","6","1") = "9"
    & skf18("8","7","6","10","1","7","1") = "9"
    & skf18("8","7","6","10","1","8","1") = "9"
    & skf18("8","7","6","10","1","9","1") = "9"
    & skf18("8","7","6","10","1","10","1") = "9"
    & skf18("8","7","6","10","2","1","1") = "9"
    & skf18("8","7","6","10","2","2","1") = "9"
    & skf18("8","7","6","10","2","3","1") = "9"
    & skf18("8","7","6","10","2","4","1") = "9"
    & skf18("8","7","6","10","2","5","1") = "9"
    & skf18("8","7","6","10","2","6","1") = "9"
    & skf18("8","7","6","10","2","7","1") = "9"
    & skf18("8","7","6","10","2","8","1") = "9"
    & skf18("8","7","6","10","2","9","1") = "9"
    & skf18("8","7","6","10","2","10","1") = "9"
    & skf18("8","7","6","10","3","1","1") = "9"
    & skf18("8","7","6","10","3","2","1") = "9"
    & skf18("8","7","6","10","3","3","1") = "9"
    & skf18("8","7","6","10","3","4","1") = "9"
    & skf18("8","7","6","10","3","5","1") = "9"
    & skf18("8","7","6","10","3","6","1") = "9"
    & skf18("8","7","6","10","3","7","1") = "9"
    & skf18("8","7","6","10","3","8","1") = "9"
    & skf18("8","7","6","10","3","9","1") = "9"
    & skf18("8","7","6","10","3","10","1") = "9"
    & skf18("8","7","6","10","4","1","1") = "9"
    & skf18("8","7","6","10","4","2","1") = "9"
    & skf18("8","7","6","10","4","3","1") = "9"
    & skf18("8","7","6","10","4","4","1") = "9"
    & skf18("8","7","6","10","4","5","1") = "9"
    & skf18("8","7","6","10","4","6","1") = "9"
    & skf18("8","7","6","10","4","7","1") = "9"
    & skf18("8","7","6","10","4","8","1") = "9"
    & skf18("8","7","6","10","4","9","1") = "9"
    & skf18("8","7","6","10","4","10","1") = "9"
    & skf18("8","7","6","10","5","1","1") = "9"
    & skf18("8","7","6","10","5","2","1") = "9"
    & skf18("8","7","6","10","5","3","1") = "9"
    & skf18("8","7","6","10","5","4","1") = "9"
    & skf18("8","7","6","10","5","5","1") = "9"
    & skf18("8","7","6","10","5","6","1") = "9"
    & skf18("8","7","6","10","5","7","1") = "9"
    & skf18("8","7","6","10","5","8","1") = "9"
    & skf18("8","7","6","10","5","9","1") = "9"
    & skf18("8","7","6","10","5","10","1") = "9"
    & skf18("8","7","6","10","6","1","1") = "9"
    & skf18("8","7","6","10","6","2","1") = "9"
    & skf18("8","7","6","10","6","3","1") = "9"
    & skf18("8","7","6","10","6","4","1") = "9"
    & skf18("8","7","6","10","6","5","1") = "9"
    & skf18("8","7","6","10","6","6","1") = "9"
    & skf18("8","7","6","10","6","7","1") = "9"
    & skf18("8","7","6","10","6","8","1") = "9"
    & skf18("8","7","6","10","6","9","1") = "9"
    & skf18("8","7","6","10","6","10","1") = "9"
    & skf18("8","7","6","10","7","1","1") = "9"
    & skf18("8","7","6","10","7","2","1") = "9"
    & skf18("8","7","6","10","7","3","1") = "9"
    & skf18("8","7","6","10","7","4","1") = "9"
    & skf18("8","7","6","10","7","5","1") = "9"
    & skf18("8","7","6","10","7","6","1") = "9"
    & skf18("8","7","6","10","7","7","1") = "9"
    & skf18("8","7","6","10","7","8","1") = "9"
    & skf18("8","7","6","10","7","9","1") = "9"
    & skf18("8","7","6","10","7","10","1") = "9"
    & skf18("8","7","6","10","8","1","1") = "9"
    & skf18("8","7","6","10","8","2","1") = "9"
    & skf18("8","7","6","10","8","3","1") = "9"
    & skf18("8","7","6","10","8","4","1") = "9"
    & skf18("8","7","6","10","8","5","1") = "9"
    & skf18("8","7","6","10","8","6","1") = "9"
    & skf18("8","7","6","10","8","7","1") = "9"
    & skf18("8","7","6","10","8","8","1") = "9"
    & skf18("8","7","6","10","8","9","1") = "9"
    & skf18("8","7","6","10","8","10","1") = "9"
    & skf18("8","7","6","10","9","1","1") = "9"
    & skf18("8","7","6","10","9","2","1") = "9"
    & skf18("8","7","6","10","9","3","1") = "9"
    & skf18("8","7","6","10","9","4","1") = "9"
    & skf18("8","7","6","10","9","5","1") = "9"
    & skf18("8","7","6","10","9","6","1") = "9"
    & skf18("8","7","6","10","9","7","1") = "9"
    & skf18("8","7","6","10","9","8","1") = "9"
    & skf18("8","7","6","10","9","9","1") = "9"
    & skf18("8","7","6","10","9","10","1") = "9"
    & skf18("8","7","6","10","10","1","1") = "9"
    & skf18("8","7","6","10","10","2","1") = "9"
    & skf18("8","7","6","10","10","3","1") = "9"
    & skf18("8","7","6","10","10","4","1") = "9"
    & skf18("8","7","6","10","10","5","1") = "9"
    & skf18("8","7","6","10","10","6","1") = "9"
    & skf18("8","7","6","10","10","7","1") = "9"
    & skf18("8","7","6","10","10","8","1") = "9"
    & skf18("8","7","6","10","10","9","1") = "9"
    & skf18("8","7","6","10","10","10","1") = "9"
    & skf18("8","7","7","1","1","1","1") = "7"
    & skf18("8","7","7","1","1","2","1") = "7"
    & skf18("8","7","7","1","1","3","1") = "7"
    & skf18("8","7","7","1","1","4","1") = "7"
    & skf18("8","7","7","1","1","5","1") = "7"
    & skf18("8","7","7","1","1","6","1") = "7"
    & skf18("8","7","7","1","1","7","1") = "7"
    & skf18("8","7","7","1","1","8","1") = "7"
    & skf18("8","7","7","1","1","9","1") = "8"
    & skf18("8","7","7","1","1","10","1") = "9"
    & skf18("8","7","7","1","2","1","1") = "7"
    & skf18("8","7","7","1","2","2","1") = "7"
    & skf18("8","7","7","1","2","3","1") = "7"
    & skf18("8","7","7","1","2","4","1") = "7"
    & skf18("8","7","7","1","2","5","1") = "7"
    & skf18("8","7","7","1","2","6","1") = "7"
    & skf18("8","7","7","1","2","7","1") = "7"
    & skf18("8","7","7","1","2","8","1") = "7"
    & skf18("8","7","7","1","2","9","1") = "8"
    & skf18("8","7","7","1","2","10","1") = "9"
    & skf18("8","7","7","1","3","1","1") = "7"
    & skf18("8","7","7","1","3","2","1") = "7"
    & skf18("8","7","7","1","3","3","1") = "7"
    & skf18("8","7","7","1","3","4","1") = "7"
    & skf18("8","7","7","1","3","5","1") = "7"
    & skf18("8","7","7","1","3","6","1") = "7"
    & skf18("8","7","7","1","3","7","1") = "7"
    & skf18("8","7","7","1","3","8","1") = "7"
    & skf18("8","7","7","1","3","9","1") = "8"
    & skf18("8","7","7","1","3","10","1") = "9"
    & skf18("8","7","7","1","4","1","1") = "7"
    & skf18("8","7","7","1","4","2","1") = "7"
    & skf18("8","7","7","1","4","3","1") = "7"
    & skf18("8","7","7","1","4","4","1") = "7"
    & skf18("8","7","7","1","4","5","1") = "7"
    & skf18("8","7","7","1","4","6","1") = "7"
    & skf18("8","7","7","1","4","7","1") = "7"
    & skf18("8","7","7","1","4","8","1") = "7"
    & skf18("8","7","7","1","4","9","1") = "8"
    & skf18("8","7","7","1","4","10","1") = "9"
    & skf18("8","7","7","1","5","1","1") = "7"
    & skf18("8","7","7","1","5","2","1") = "7"
    & skf18("8","7","7","1","5","3","1") = "7"
    & skf18("8","7","7","1","5","4","1") = "7"
    & skf18("8","7","7","1","5","5","1") = "7"
    & skf18("8","7","7","1","5","6","1") = "7"
    & skf18("8","7","7","1","5","7","1") = "7"
    & skf18("8","7","7","1","5","8","1") = "7"
    & skf18("8","7","7","1","5","9","1") = "8"
    & skf18("8","7","7","1","5","10","1") = "9"
    & skf18("8","7","7","1","6","1","1") = "7"
    & skf18("8","7","7","1","6","2","1") = "7"
    & skf18("8","7","7","1","6","3","1") = "7"
    & skf18("8","7","7","1","6","4","1") = "7"
    & skf18("8","7","7","1","6","5","1") = "7"
    & skf18("8","7","7","1","6","6","1") = "7"
    & skf18("8","7","7","1","6","7","1") = "7"
    & skf18("8","7","7","1","6","8","1") = "7"
    & skf18("8","7","7","1","6","9","1") = "8"
    & skf18("8","7","7","1","6","10","1") = "9"
    & skf18("8","7","7","1","7","1","1") = "7"
    & skf18("8","7","7","1","7","2","1") = "7"
    & skf18("8","7","7","1","7","3","1") = "7"
    & skf18("8","7","7","1","7","4","1") = "7"
    & skf18("8","7","7","1","7","5","1") = "7"
    & skf18("8","7","7","1","7","6","1") = "7"
    & skf18("8","7","7","1","7","7","1") = "7"
    & skf18("8","7","7","1","7","8","1") = "7"
    & skf18("8","7","7","1","7","9","1") = "8"
    & skf18("8","7","7","1","7","10","1") = "9"
    & skf18("8","7","7","1","8","1","1") = "7"
    & skf18("8","7","7","1","8","2","1") = "7"
    & skf18("8","7","7","1","8","3","1") = "7"
    & skf18("8","7","7","1","8","4","1") = "7"
    & skf18("8","7","7","1","8","5","1") = "7"
    & skf18("8","7","7","1","8","6","1") = "7"
    & skf18("8","7","7","1","8","7","1") = "7"
    & skf18("8","7","7","1","8","8","1") = "7"
    & skf18("8","7","7","1","8","9","1") = "8"
    & skf18("8","7","7","1","8","10","1") = "9"
    & skf18("8","7","7","1","9","1","1") = "8"
    & skf18("8","7","7","1","9","2","1") = "8"
    & skf18("8","7","7","1","9","3","1") = "8"
    & skf18("8","7","7","1","9","4","1") = "8"
    & skf18("8","7","7","1","9","5","1") = "8"
    & skf18("8","7","7","1","9","6","1") = "8"
    & skf18("8","7","7","1","9","7","1") = "8"
    & skf18("8","7","7","1","9","8","1") = "8"
    & skf18("8","7","7","1","9","9","1") = "8"
    & skf18("8","7","7","1","9","10","1") = "9"
    & skf18("8","7","7","1","10","1","1") = "9"
    & skf18("8","7","7","1","10","2","1") = "9"
    & skf18("8","7","7","1","10","3","1") = "9"
    & skf18("8","7","7","1","10","4","1") = "9"
    & skf18("8","7","7","1","10","5","1") = "9"
    & skf18("8","7","7","1","10","6","1") = "9"
    & skf18("8","7","7","1","10","7","1") = "9"
    & skf18("8","7","7","1","10","8","1") = "9"
    & skf18("8","7","7","1","10","9","1") = "9"
    & skf18("8","7","7","1","10","10","1") = "9"
    & skf18("8","7","7","2","1","1","1") = "7"
    & skf18("8","7","7","2","1","2","1") = "7"
    & skf18("8","7","7","2","1","3","1") = "7"
    & skf18("8","7","7","2","1","4","1") = "7"
    & skf18("8","7","7","2","1","5","1") = "7"
    & skf18("8","7","7","2","1","6","1") = "7"
    & skf18("8","7","7","2","1","7","1") = "7"
    & skf18("8","7","7","2","1","8","1") = "7"
    & skf18("8","7","7","2","1","9","1") = "8"
    & skf18("8","7","7","2","1","10","1") = "9"
    & skf18("8","7","7","2","2","1","1") = "7"
    & skf18("8","7","7","2","2","2","1") = "7"
    & skf18("8","7","7","2","2","3","1") = "7"
    & skf18("8","7","7","2","2","4","1") = "7"
    & skf18("8","7","7","2","2","5","1") = "7"
    & skf18("8","7","7","2","2","6","1") = "7"
    & skf18("8","7","7","2","2","7","1") = "7"
    & skf18("8","7","7","2","2","8","1") = "7"
    & skf18("8","7","7","2","2","9","1") = "8"
    & skf18("8","7","7","2","2","10","1") = "9"
    & skf18("8","7","7","2","3","1","1") = "7"
    & skf18("8","7","7","2","3","2","1") = "7"
    & skf18("8","7","7","2","3","3","1") = "7"
    & skf18("8","7","7","2","3","4","1") = "7"
    & skf18("8","7","7","2","3","5","1") = "7"
    & skf18("8","7","7","2","3","6","1") = "7"
    & skf18("8","7","7","2","3","7","1") = "7"
    & skf18("8","7","7","2","3","8","1") = "7"
    & skf18("8","7","7","2","3","9","1") = "8"
    & skf18("8","7","7","2","3","10","1") = "9"
    & skf18("8","7","7","2","4","1","1") = "7"
    & skf18("8","7","7","2","4","2","1") = "7"
    & skf18("8","7","7","2","4","3","1") = "7"
    & skf18("8","7","7","2","4","4","1") = "7"
    & skf18("8","7","7","2","4","5","1") = "7"
    & skf18("8","7","7","2","4","6","1") = "7"
    & skf18("8","7","7","2","4","7","1") = "7"
    & skf18("8","7","7","2","4","8","1") = "7"
    & skf18("8","7","7","2","4","9","1") = "8"
    & skf18("8","7","7","2","4","10","1") = "9"
    & skf18("8","7","7","2","5","1","1") = "7"
    & skf18("8","7","7","2","5","2","1") = "7"
    & skf18("8","7","7","2","5","3","1") = "7"
    & skf18("8","7","7","2","5","4","1") = "7"
    & skf18("8","7","7","2","5","5","1") = "7"
    & skf18("8","7","7","2","5","6","1") = "7"
    & skf18("8","7","7","2","5","7","1") = "7"
    & skf18("8","7","7","2","5","8","1") = "7"
    & skf18("8","7","7","2","5","9","1") = "8"
    & skf18("8","7","7","2","5","10","1") = "9"
    & skf18("8","7","7","2","6","1","1") = "7"
    & skf18("8","7","7","2","6","2","1") = "7"
    & skf18("8","7","7","2","6","3","1") = "7"
    & skf18("8","7","7","2","6","4","1") = "7"
    & skf18("8","7","7","2","6","5","1") = "7"
    & skf18("8","7","7","2","6","6","1") = "7"
    & skf18("8","7","7","2","6","7","1") = "7"
    & skf18("8","7","7","2","6","8","1") = "7"
    & skf18("8","7","7","2","6","9","1") = "8"
    & skf18("8","7","7","2","6","10","1") = "9"
    & skf18("8","7","7","2","7","1","1") = "7"
    & skf18("8","7","7","2","7","2","1") = "7"
    & skf18("8","7","7","2","7","3","1") = "7"
    & skf18("8","7","7","2","7","4","1") = "7"
    & skf18("8","7","7","2","7","5","1") = "7"
    & skf18("8","7","7","2","7","6","1") = "7"
    & skf18("8","7","7","2","7","7","1") = "7"
    & skf18("8","7","7","2","7","8","1") = "7"
    & skf18("8","7","7","2","7","9","1") = "8"
    & skf18("8","7","7","2","7","10","1") = "9"
    & skf18("8","7","7","2","8","1","1") = "7"
    & skf18("8","7","7","2","8","2","1") = "7"
    & skf18("8","7","7","2","8","3","1") = "7"
    & skf18("8","7","7","2","8","4","1") = "7"
    & skf18("8","7","7","2","8","5","1") = "7"
    & skf18("8","7","7","2","8","6","1") = "7"
    & skf18("8","7","7","2","8","7","1") = "7"
    & skf18("8","7","7","2","8","8","1") = "7"
    & skf18("8","7","7","2","8","9","1") = "8"
    & skf18("8","7","7","2","8","10","1") = "9"
    & skf18("8","7","7","2","9","1","1") = "8"
    & skf18("8","7","7","2","9","2","1") = "8"
    & skf18("8","7","7","2","9","3","1") = "8"
    & skf18("8","7","7","2","9","4","1") = "8"
    & skf18("8","7","7","2","9","5","1") = "8"
    & skf18("8","7","7","2","9","6","1") = "8"
    & skf18("8","7","7","2","9","7","1") = "8"
    & skf18("8","7","7","2","9","8","1") = "8"
    & skf18("8","7","7","2","9","9","1") = "8"
    & skf18("8","7","7","2","9","10","1") = "9"
    & skf18("8","7","7","2","10","1","1") = "9"
    & skf18("8","7","7","2","10","2","1") = "9"
    & skf18("8","7","7","2","10","3","1") = "9"
    & skf18("8","7","7","2","10","4","1") = "9"
    & skf18("8","7","7","2","10","5","1") = "9"
    & skf18("8","7","7","2","10","6","1") = "9"
    & skf18("8","7","7","2","10","7","1") = "9"
    & skf18("8","7","7","2","10","8","1") = "9"
    & skf18("8","7","7","2","10","9","1") = "9"
    & skf18("8","7","7","2","10","10","1") = "9"
    & skf18("8","7","7","3","1","1","1") = "7"
    & skf18("8","7","7","3","1","2","1") = "7"
    & skf18("8","7","7","3","1","3","1") = "7"
    & skf18("8","7","7","3","1","4","1") = "7"
    & skf18("8","7","7","3","1","5","1") = "7"
    & skf18("8","7","7","3","1","6","1") = "7"
    & skf18("8","7","7","3","1","7","1") = "7"
    & skf18("8","7","7","3","1","8","1") = "7"
    & skf18("8","7","7","3","1","9","1") = "8"
    & skf18("8","7","7","3","1","10","1") = "9"
    & skf18("8","7","7","3","2","1","1") = "7"
    & skf18("8","7","7","3","2","2","1") = "7"
    & skf18("8","7","7","3","2","3","1") = "7"
    & skf18("8","7","7","3","2","4","1") = "7"
    & skf18("8","7","7","3","2","5","1") = "7"
    & skf18("8","7","7","3","2","6","1") = "7"
    & skf18("8","7","7","3","2","7","1") = "7"
    & skf18("8","7","7","3","2","8","1") = "7"
    & skf18("8","7","7","3","2","9","1") = "8"
    & skf18("8","7","7","3","2","10","1") = "9"
    & skf18("8","7","7","3","3","1","1") = "7"
    & skf18("8","7","7","3","3","2","1") = "7"
    & skf18("8","7","7","3","3","3","1") = "7"
    & skf18("8","7","7","3","3","4","1") = "7"
    & skf18("8","7","7","3","3","5","1") = "7"
    & skf18("8","7","7","3","3","6","1") = "7"
    & skf18("8","7","7","3","3","7","1") = "7"
    & skf18("8","7","7","3","3","8","1") = "7"
    & skf18("8","7","7","3","3","9","1") = "8"
    & skf18("8","7","7","3","3","10","1") = "9"
    & skf18("8","7","7","3","4","1","1") = "7"
    & skf18("8","7","7","3","4","2","1") = "7"
    & skf18("8","7","7","3","4","3","1") = "7"
    & skf18("8","7","7","3","4","4","1") = "7"
    & skf18("8","7","7","3","4","5","1") = "7"
    & skf18("8","7","7","3","4","6","1") = "7"
    & skf18("8","7","7","3","4","7","1") = "7"
    & skf18("8","7","7","3","4","8","1") = "7"
    & skf18("8","7","7","3","4","9","1") = "8"
    & skf18("8","7","7","3","4","10","1") = "9"
    & skf18("8","7","7","3","5","1","1") = "7"
    & skf18("8","7","7","3","5","2","1") = "7"
    & skf18("8","7","7","3","5","3","1") = "7"
    & skf18("8","7","7","3","5","4","1") = "7"
    & skf18("8","7","7","3","5","5","1") = "7"
    & skf18("8","7","7","3","5","6","1") = "7"
    & skf18("8","7","7","3","5","7","1") = "7"
    & skf18("8","7","7","3","5","8","1") = "7"
    & skf18("8","7","7","3","5","9","1") = "8"
    & skf18("8","7","7","3","5","10","1") = "9"
    & skf18("8","7","7","3","6","1","1") = "7"
    & skf18("8","7","7","3","6","2","1") = "7"
    & skf18("8","7","7","3","6","3","1") = "7"
    & skf18("8","7","7","3","6","4","1") = "7"
    & skf18("8","7","7","3","6","5","1") = "7"
    & skf18("8","7","7","3","6","6","1") = "7"
    & skf18("8","7","7","3","6","7","1") = "7"
    & skf18("8","7","7","3","6","8","1") = "7"
    & skf18("8","7","7","3","6","9","1") = "8"
    & skf18("8","7","7","3","6","10","1") = "9"
    & skf18("8","7","7","3","7","1","1") = "7"
    & skf18("8","7","7","3","7","2","1") = "7"
    & skf18("8","7","7","3","7","3","1") = "7"
    & skf18("8","7","7","3","7","4","1") = "7"
    & skf18("8","7","7","3","7","5","1") = "7"
    & skf18("8","7","7","3","7","6","1") = "7"
    & skf18("8","7","7","3","7","7","1") = "7"
    & skf18("8","7","7","3","7","8","1") = "7"
    & skf18("8","7","7","3","7","9","1") = "8"
    & skf18("8","7","7","3","7","10","1") = "9"
    & skf18("8","7","7","3","8","1","1") = "7"
    & skf18("8","7","7","3","8","2","1") = "7"
    & skf18("8","7","7","3","8","3","1") = "7"
    & skf18("8","7","7","3","8","4","1") = "7"
    & skf18("8","7","7","3","8","5","1") = "7"
    & skf18("8","7","7","3","8","6","1") = "7"
    & skf18("8","7","7","3","8","7","1") = "7"
    & skf18("8","7","7","3","8","8","1") = "7"
    & skf18("8","7","7","3","8","9","1") = "8"
    & skf18("8","7","7","3","8","10","1") = "9"
    & skf18("8","7","7","3","9","1","1") = "8"
    & skf18("8","7","7","3","9","2","1") = "8"
    & skf18("8","7","7","3","9","3","1") = "8"
    & skf18("8","7","7","3","9","4","1") = "8"
    & skf18("8","7","7","3","9","5","1") = "8"
    & skf18("8","7","7","3","9","6","1") = "8"
    & skf18("8","7","7","3","9","7","1") = "8"
    & skf18("8","7","7","3","9","8","1") = "8"
    & skf18("8","7","7","3","9","9","1") = "8"
    & skf18("8","7","7","3","9","10","1") = "9"
    & skf18("8","7","7","3","10","1","1") = "9"
    & skf18("8","7","7","3","10","2","1") = "9"
    & skf18("8","7","7","3","10","3","1") = "9"
    & skf18("8","7","7","3","10","4","1") = "9"
    & skf18("8","7","7","3","10","5","1") = "9"
    & skf18("8","7","7","3","10","6","1") = "9"
    & skf18("8","7","7","3","10","7","1") = "9"
    & skf18("8","7","7","3","10","8","1") = "9"
    & skf18("8","7","7","3","10","9","1") = "9"
    & skf18("8","7","7","3","10","10","1") = "9"
    & skf18("8","7","7","4","1","1","1") = "7"
    & skf18("8","7","7","4","1","2","1") = "7"
    & skf18("8","7","7","4","1","3","1") = "7"
    & skf18("8","7","7","4","1","4","1") = "7"
    & skf18("8","7","7","4","1","5","1") = "7"
    & skf18("8","7","7","4","1","6","1") = "7"
    & skf18("8","7","7","4","1","7","1") = "7"
    & skf18("8","7","7","4","1","8","1") = "7"
    & skf18("8","7","7","4","1","9","1") = "8"
    & skf18("8","7","7","4","1","10","1") = "9"
    & skf18("8","7","7","4","2","1","1") = "7"
    & skf18("8","7","7","4","2","2","1") = "7"
    & skf18("8","7","7","4","2","3","1") = "7"
    & skf18("8","7","7","4","2","4","1") = "7"
    & skf18("8","7","7","4","2","5","1") = "7"
    & skf18("8","7","7","4","2","6","1") = "7"
    & skf18("8","7","7","4","2","7","1") = "7"
    & skf18("8","7","7","4","2","8","1") = "7"
    & skf18("8","7","7","4","2","9","1") = "8"
    & skf18("8","7","7","4","2","10","1") = "9"
    & skf18("8","7","7","4","3","1","1") = "7"
    & skf18("8","7","7","4","3","2","1") = "7"
    & skf18("8","7","7","4","3","3","1") = "7"
    & skf18("8","7","7","4","3","4","1") = "7"
    & skf18("8","7","7","4","3","5","1") = "7"
    & skf18("8","7","7","4","3","6","1") = "7"
    & skf18("8","7","7","4","3","7","1") = "7"
    & skf18("8","7","7","4","3","8","1") = "7"
    & skf18("8","7","7","4","3","9","1") = "8"
    & skf18("8","7","7","4","3","10","1") = "9"
    & skf18("8","7","7","4","4","1","1") = "7"
    & skf18("8","7","7","4","4","2","1") = "7"
    & skf18("8","7","7","4","4","3","1") = "7"
    & skf18("8","7","7","4","4","4","1") = "7"
    & skf18("8","7","7","4","4","5","1") = "7"
    & skf18("8","7","7","4","4","6","1") = "7"
    & skf18("8","7","7","4","4","7","1") = "7"
    & skf18("8","7","7","4","4","8","1") = "7"
    & skf18("8","7","7","4","4","9","1") = "8"
    & skf18("8","7","7","4","4","10","1") = "9"
    & skf18("8","7","7","4","5","1","1") = "7"
    & skf18("8","7","7","4","5","2","1") = "7"
    & skf18("8","7","7","4","5","3","1") = "7"
    & skf18("8","7","7","4","5","4","1") = "7"
    & skf18("8","7","7","4","5","5","1") = "7"
    & skf18("8","7","7","4","5","6","1") = "7"
    & skf18("8","7","7","4","5","7","1") = "7"
    & skf18("8","7","7","4","5","8","1") = "7"
    & skf18("8","7","7","4","5","9","1") = "8"
    & skf18("8","7","7","4","5","10","1") = "9"
    & skf18("8","7","7","4","6","1","1") = "7"
    & skf18("8","7","7","4","6","2","1") = "7"
    & skf18("8","7","7","4","6","3","1") = "7"
    & skf18("8","7","7","4","6","4","1") = "7"
    & skf18("8","7","7","4","6","5","1") = "7"
    & skf18("8","7","7","4","6","6","1") = "7"
    & skf18("8","7","7","4","6","7","1") = "7"
    & skf18("8","7","7","4","6","8","1") = "7"
    & skf18("8","7","7","4","6","9","1") = "8"
    & skf18("8","7","7","4","6","10","1") = "9"
    & skf18("8","7","7","4","7","1","1") = "7"
    & skf18("8","7","7","4","7","2","1") = "7"
    & skf18("8","7","7","4","7","3","1") = "7"
    & skf18("8","7","7","4","7","4","1") = "7"
    & skf18("8","7","7","4","7","5","1") = "7"
    & skf18("8","7","7","4","7","6","1") = "7"
    & skf18("8","7","7","4","7","7","1") = "7"
    & skf18("8","7","7","4","7","8","1") = "7"
    & skf18("8","7","7","4","7","9","1") = "8"
    & skf18("8","7","7","4","7","10","1") = "9"
    & skf18("8","7","7","4","8","1","1") = "7"
    & skf18("8","7","7","4","8","2","1") = "7"
    & skf18("8","7","7","4","8","3","1") = "7"
    & skf18("8","7","7","4","8","4","1") = "7"
    & skf18("8","7","7","4","8","5","1") = "7"
    & skf18("8","7","7","4","8","6","1") = "7"
    & skf18("8","7","7","4","8","7","1") = "7"
    & skf18("8","7","7","4","8","8","1") = "7"
    & skf18("8","7","7","4","8","9","1") = "8"
    & skf18("8","7","7","4","8","10","1") = "9"
    & skf18("8","7","7","4","9","1","1") = "8"
    & skf18("8","7","7","4","9","2","1") = "8"
    & skf18("8","7","7","4","9","3","1") = "8"
    & skf18("8","7","7","4","9","4","1") = "8"
    & skf18("8","7","7","4","9","5","1") = "8"
    & skf18("8","7","7","4","9","6","1") = "8"
    & skf18("8","7","7","4","9","7","1") = "8"
    & skf18("8","7","7","4","9","8","1") = "8"
    & skf18("8","7","7","4","9","9","1") = "8"
    & skf18("8","7","7","4","9","10","1") = "9"
    & skf18("8","7","7","4","10","1","1") = "9"
    & skf18("8","7","7","4","10","2","1") = "9"
    & skf18("8","7","7","4","10","3","1") = "9"
    & skf18("8","7","7","4","10","4","1") = "9"
    & skf18("8","7","7","4","10","5","1") = "9"
    & skf18("8","7","7","4","10","6","1") = "9"
    & skf18("8","7","7","4","10","7","1") = "9"
    & skf18("8","7","7","4","10","8","1") = "9"
    & skf18("8","7","7","4","10","9","1") = "9"
    & skf18("8","7","7","4","10","10","1") = "9"
    & skf18("8","7","7","5","1","1","1") = "7"
    & skf18("8","7","7","5","1","2","1") = "7"
    & skf18("8","7","7","5","1","3","1") = "7"
    & skf18("8","7","7","5","1","4","1") = "7"
    & skf18("8","7","7","5","1","5","1") = "7"
    & skf18("8","7","7","5","1","6","1") = "7"
    & skf18("8","7","7","5","1","7","1") = "7"
    & skf18("8","7","7","5","1","8","1") = "7"
    & skf18("8","7","7","5","1","9","1") = "8"
    & skf18("8","7","7","5","1","10","1") = "9"
    & skf18("8","7","7","5","2","1","1") = "7"
    & skf18("8","7","7","5","2","2","1") = "7"
    & skf18("8","7","7","5","2","3","1") = "7"
    & skf18("8","7","7","5","2","4","1") = "7"
    & skf18("8","7","7","5","2","5","1") = "7"
    & skf18("8","7","7","5","2","6","1") = "7"
    & skf18("8","7","7","5","2","7","1") = "7"
    & skf18("8","7","7","5","2","8","1") = "7"
    & skf18("8","7","7","5","2","9","1") = "8"
    & skf18("8","7","7","5","2","10","1") = "9"
    & skf18("8","7","7","5","3","1","1") = "7"
    & skf18("8","7","7","5","3","2","1") = "7"
    & skf18("8","7","7","5","3","3","1") = "7"
    & skf18("8","7","7","5","3","4","1") = "7"
    & skf18("8","7","7","5","3","5","1") = "7"
    & skf18("8","7","7","5","3","6","1") = "7"
    & skf18("8","7","7","5","3","7","1") = "7"
    & skf18("8","7","7","5","3","8","1") = "7"
    & skf18("8","7","7","5","3","9","1") = "8"
    & skf18("8","7","7","5","3","10","1") = "9"
    & skf18("8","7","7","5","4","1","1") = "7"
    & skf18("8","7","7","5","4","2","1") = "7"
    & skf18("8","7","7","5","4","3","1") = "7"
    & skf18("8","7","7","5","4","4","1") = "7"
    & skf18("8","7","7","5","4","5","1") = "7"
    & skf18("8","7","7","5","4","6","1") = "7"
    & skf18("8","7","7","5","4","7","1") = "7"
    & skf18("8","7","7","5","4","8","1") = "7"
    & skf18("8","7","7","5","4","9","1") = "8"
    & skf18("8","7","7","5","4","10","1") = "9"
    & skf18("8","7","7","5","5","1","1") = "7"
    & skf18("8","7","7","5","5","2","1") = "7"
    & skf18("8","7","7","5","5","3","1") = "7"
    & skf18("8","7","7","5","5","4","1") = "7"
    & skf18("8","7","7","5","5","5","1") = "7"
    & skf18("8","7","7","5","5","6","1") = "7"
    & skf18("8","7","7","5","5","7","1") = "7"
    & skf18("8","7","7","5","5","8","1") = "7"
    & skf18("8","7","7","5","5","9","1") = "8"
    & skf18("8","7","7","5","5","10","1") = "9"
    & skf18("8","7","7","5","6","1","1") = "7"
    & skf18("8","7","7","5","6","2","1") = "7"
    & skf18("8","7","7","5","6","3","1") = "7"
    & skf18("8","7","7","5","6","4","1") = "7"
    & skf18("8","7","7","5","6","5","1") = "7"
    & skf18("8","7","7","5","6","6","1") = "7"
    & skf18("8","7","7","5","6","7","1") = "7"
    & skf18("8","7","7","5","6","8","1") = "7"
    & skf18("8","7","7","5","6","9","1") = "8"
    & skf18("8","7","7","5","6","10","1") = "9"
    & skf18("8","7","7","5","7","1","1") = "7"
    & skf18("8","7","7","5","7","2","1") = "7"
    & skf18("8","7","7","5","7","3","1") = "7"
    & skf18("8","7","7","5","7","4","1") = "7"
    & skf18("8","7","7","5","7","5","1") = "7"
    & skf18("8","7","7","5","7","6","1") = "7"
    & skf18("8","7","7","5","7","7","1") = "7"
    & skf18("8","7","7","5","7","8","1") = "7"
    & skf18("8","7","7","5","7","9","1") = "8"
    & skf18("8","7","7","5","7","10","1") = "9"
    & skf18("8","7","7","5","8","1","1") = "7"
    & skf18("8","7","7","5","8","2","1") = "7"
    & skf18("8","7","7","5","8","3","1") = "7"
    & skf18("8","7","7","5","8","4","1") = "7"
    & skf18("8","7","7","5","8","5","1") = "7"
    & skf18("8","7","7","5","8","6","1") = "7"
    & skf18("8","7","7","5","8","7","1") = "7"
    & skf18("8","7","7","5","8","8","1") = "7"
    & skf18("8","7","7","5","8","9","1") = "8"
    & skf18("8","7","7","5","8","10","1") = "9"
    & skf18("8","7","7","5","9","1","1") = "8"
    & skf18("8","7","7","5","9","2","1") = "8"
    & skf18("8","7","7","5","9","3","1") = "8"
    & skf18("8","7","7","5","9","4","1") = "8"
    & skf18("8","7","7","5","9","5","1") = "8"
    & skf18("8","7","7","5","9","6","1") = "8"
    & skf18("8","7","7","5","9","7","1") = "8"
    & skf18("8","7","7","5","9","8","1") = "8"
    & skf18("8","7","7","5","9","9","1") = "8"
    & skf18("8","7","7","5","9","10","1") = "9"
    & skf18("8","7","7","5","10","1","1") = "9"
    & skf18("8","7","7","5","10","2","1") = "9"
    & skf18("8","7","7","5","10","3","1") = "9"
    & skf18("8","7","7","5","10","4","1") = "9"
    & skf18("8","7","7","5","10","5","1") = "9"
    & skf18("8","7","7","5","10","6","1") = "9"
    & skf18("8","7","7","5","10","7","1") = "9"
    & skf18("8","7","7","5","10","8","1") = "9"
    & skf18("8","7","7","5","10","9","1") = "9"
    & skf18("8","7","7","5","10","10","1") = "9"
    & skf18("8","7","7","6","1","1","1") = "7"
    & skf18("8","7","7","6","1","2","1") = "7"
    & skf18("8","7","7","6","1","3","1") = "7"
    & skf18("8","7","7","6","1","4","1") = "7"
    & skf18("8","7","7","6","1","5","1") = "7"
    & skf18("8","7","7","6","1","6","1") = "7"
    & skf18("8","7","7","6","1","7","1") = "7"
    & skf18("8","7","7","6","1","8","1") = "7"
    & skf18("8","7","7","6","1","9","1") = "8"
    & skf18("8","7","7","6","1","10","1") = "9"
    & skf18("8","7","7","6","2","1","1") = "7"
    & skf18("8","7","7","6","2","2","1") = "7"
    & skf18("8","7","7","6","2","3","1") = "7"
    & skf18("8","7","7","6","2","4","1") = "7"
    & skf18("8","7","7","6","2","5","1") = "7"
    & skf18("8","7","7","6","2","6","1") = "7"
    & skf18("8","7","7","6","2","7","1") = "7"
    & skf18("8","7","7","6","2","8","1") = "7"
    & skf18("8","7","7","6","2","9","1") = "8"
    & skf18("8","7","7","6","2","10","1") = "9"
    & skf18("8","7","7","6","3","1","1") = "7"
    & skf18("8","7","7","6","3","2","1") = "7"
    & skf18("8","7","7","6","3","3","1") = "7"
    & skf18("8","7","7","6","3","4","1") = "7"
    & skf18("8","7","7","6","3","5","1") = "7"
    & skf18("8","7","7","6","3","6","1") = "7"
    & skf18("8","7","7","6","3","7","1") = "7"
    & skf18("8","7","7","6","3","8","1") = "7"
    & skf18("8","7","7","6","3","9","1") = "8"
    & skf18("8","7","7","6","3","10","1") = "9"
    & skf18("8","7","7","6","4","1","1") = "7"
    & skf18("8","7","7","6","4","2","1") = "7"
    & skf18("8","7","7","6","4","3","1") = "7"
    & skf18("8","7","7","6","4","4","1") = "7"
    & skf18("8","7","7","6","4","5","1") = "7"
    & skf18("8","7","7","6","4","6","1") = "7"
    & skf18("8","7","7","6","4","7","1") = "7"
    & skf18("8","7","7","6","4","8","1") = "7"
    & skf18("8","7","7","6","4","9","1") = "8"
    & skf18("8","7","7","6","4","10","1") = "9"
    & skf18("8","7","7","6","5","1","1") = "7"
    & skf18("8","7","7","6","5","2","1") = "7"
    & skf18("8","7","7","6","5","3","1") = "7"
    & skf18("8","7","7","6","5","4","1") = "7"
    & skf18("8","7","7","6","5","5","1") = "7"
    & skf18("8","7","7","6","5","6","1") = "7"
    & skf18("8","7","7","6","5","7","1") = "7"
    & skf18("8","7","7","6","5","8","1") = "7"
    & skf18("8","7","7","6","5","9","1") = "8"
    & skf18("8","7","7","6","5","10","1") = "9"
    & skf18("8","7","7","6","6","1","1") = "7"
    & skf18("8","7","7","6","6","2","1") = "7"
    & skf18("8","7","7","6","6","3","1") = "7"
    & skf18("8","7","7","6","6","4","1") = "7"
    & skf18("8","7","7","6","6","5","1") = "7"
    & skf18("8","7","7","6","6","6","1") = "7"
    & skf18("8","7","7","6","6","7","1") = "7"
    & skf18("8","7","7","6","6","8","1") = "7"
    & skf18("8","7","7","6","6","9","1") = "8"
    & skf18("8","7","7","6","6","10","1") = "9"
    & skf18("8","7","7","6","7","1","1") = "7"
    & skf18("8","7","7","6","7","2","1") = "7"
    & skf18("8","7","7","6","7","3","1") = "7"
    & skf18("8","7","7","6","7","4","1") = "7"
    & skf18("8","7","7","6","7","5","1") = "7"
    & skf18("8","7","7","6","7","6","1") = "7"
    & skf18("8","7","7","6","7","7","1") = "7"
    & skf18("8","7","7","6","7","8","1") = "7"
    & skf18("8","7","7","6","7","9","1") = "8"
    & skf18("8","7","7","6","7","10","1") = "9"
    & skf18("8","7","7","6","8","1","1") = "7"
    & skf18("8","7","7","6","8","2","1") = "7"
    & skf18("8","7","7","6","8","3","1") = "7"
    & skf18("8","7","7","6","8","4","1") = "7"
    & skf18("8","7","7","6","8","5","1") = "7"
    & skf18("8","7","7","6","8","6","1") = "7"
    & skf18("8","7","7","6","8","7","1") = "7"
    & skf18("8","7","7","6","8","8","1") = "7"
    & skf18("8","7","7","6","8","9","1") = "8"
    & skf18("8","7","7","6","8","10","1") = "9"
    & skf18("8","7","7","6","9","1","1") = "8"
    & skf18("8","7","7","6","9","2","1") = "8"
    & skf18("8","7","7","6","9","3","1") = "8"
    & skf18("8","7","7","6","9","4","1") = "8"
    & skf18("8","7","7","6","9","5","1") = "8"
    & skf18("8","7","7","6","9","6","1") = "8"
    & skf18("8","7","7","6","9","7","1") = "8"
    & skf18("8","7","7","6","9","8","1") = "8"
    & skf18("8","7","7","6","9","9","1") = "8"
    & skf18("8","7","7","6","9","10","1") = "9"
    & skf18("8","7","7","6","10","1","1") = "9"
    & skf18("8","7","7","6","10","2","1") = "9"
    & skf18("8","7","7","6","10","3","1") = "9"
    & skf18("8","7","7","6","10","4","1") = "9"
    & skf18("8","7","7","6","10","5","1") = "9"
    & skf18("8","7","7","6","10","6","1") = "9"
    & skf18("8","7","7","6","10","7","1") = "9"
    & skf18("8","7","7","6","10","8","1") = "9"
    & skf18("8","7","7","6","10","9","1") = "9"
    & skf18("8","7","7","6","10","10","1") = "9"
    & skf18("8","7","7","7","1","1","1") = "7"
    & skf18("8","7","7","7","1","2","1") = "7"
    & skf18("8","7","7","7","1","3","1") = "7"
    & skf18("8","7","7","7","1","4","1") = "7"
    & skf18("8","7","7","7","1","5","1") = "7"
    & skf18("8","7","7","7","1","6","1") = "7"
    & skf18("8","7","7","7","1","7","1") = "7"
    & skf18("8","7","7","7","1","8","1") = "7"
    & skf18("8","7","7","7","1","9","1") = "8"
    & skf18("8","7","7","7","1","10","1") = "9"
    & skf18("8","7","7","7","2","1","1") = "7"
    & skf18("8","7","7","7","2","2","1") = "7"
    & skf18("8","7","7","7","2","3","1") = "7"
    & skf18("8","7","7","7","2","4","1") = "7"
    & skf18("8","7","7","7","2","5","1") = "7"
    & skf18("8","7","7","7","2","6","1") = "7"
    & skf18("8","7","7","7","2","7","1") = "7"
    & skf18("8","7","7","7","2","8","1") = "7"
    & skf18("8","7","7","7","2","9","1") = "8"
    & skf18("8","7","7","7","2","10","1") = "9"
    & skf18("8","7","7","7","3","1","1") = "7"
    & skf18("8","7","7","7","3","2","1") = "7"
    & skf18("8","7","7","7","3","3","1") = "7"
    & skf18("8","7","7","7","3","4","1") = "7"
    & skf18("8","7","7","7","3","5","1") = "7"
    & skf18("8","7","7","7","3","6","1") = "7"
    & skf18("8","7","7","7","3","7","1") = "7"
    & skf18("8","7","7","7","3","8","1") = "7"
    & skf18("8","7","7","7","3","9","1") = "8"
    & skf18("8","7","7","7","3","10","1") = "9"
    & skf18("8","7","7","7","4","1","1") = "7"
    & skf18("8","7","7","7","4","2","1") = "7"
    & skf18("8","7","7","7","4","3","1") = "7"
    & skf18("8","7","7","7","4","4","1") = "7"
    & skf18("8","7","7","7","4","5","1") = "7"
    & skf18("8","7","7","7","4","6","1") = "7"
    & skf18("8","7","7","7","4","7","1") = "7"
    & skf18("8","7","7","7","4","8","1") = "7"
    & skf18("8","7","7","7","4","9","1") = "8"
    & skf18("8","7","7","7","4","10","1") = "9"
    & skf18("8","7","7","7","5","1","1") = "7"
    & skf18("8","7","7","7","5","2","1") = "7"
    & skf18("8","7","7","7","5","3","1") = "7"
    & skf18("8","7","7","7","5","4","1") = "7"
    & skf18("8","7","7","7","5","5","1") = "7"
    & skf18("8","7","7","7","5","6","1") = "7"
    & skf18("8","7","7","7","5","7","1") = "7"
    & skf18("8","7","7","7","5","8","1") = "7"
    & skf18("8","7","7","7","5","9","1") = "8"
    & skf18("8","7","7","7","5","10","1") = "9"
    & skf18("8","7","7","7","6","1","1") = "7"
    & skf18("8","7","7","7","6","2","1") = "7"
    & skf18("8","7","7","7","6","3","1") = "7"
    & skf18("8","7","7","7","6","4","1") = "7"
    & skf18("8","7","7","7","6","5","1") = "7"
    & skf18("8","7","7","7","6","6","1") = "7"
    & skf18("8","7","7","7","6","7","1") = "7"
    & skf18("8","7","7","7","6","8","1") = "7"
    & skf18("8","7","7","7","6","9","1") = "8"
    & skf18("8","7","7","7","6","10","1") = "9"
    & skf18("8","7","7","7","7","1","1") = "7"
    & skf18("8","7","7","7","7","2","1") = "7"
    & skf18("8","7","7","7","7","3","1") = "7"
    & skf18("8","7","7","7","7","4","1") = "7"
    & skf18("8","7","7","7","7","5","1") = "7"
    & skf18("8","7","7","7","7","6","1") = "7"
    & skf18("8","7","7","7","7","7","1") = "7"
    & skf18("8","7","7","7","7","8","1") = "7"
    & skf18("8","7","7","7","7","9","1") = "8"
    & skf18("8","7","7","7","7","10","1") = "9"
    & skf18("8","7","7","7","8","1","1") = "7"
    & skf18("8","7","7","7","8","2","1") = "7"
    & skf18("8","7","7","7","8","3","1") = "7"
    & skf18("8","7","7","7","8","4","1") = "7"
    & skf18("8","7","7","7","8","5","1") = "7"
    & skf18("8","7","7","7","8","6","1") = "7"
    & skf18("8","7","7","7","8","7","1") = "7"
    & skf18("8","7","7","7","8","8","1") = "7"
    & skf18("8","7","7","7","8","9","1") = "8"
    & skf18("8","7","7","7","8","10","1") = "9"
    & skf18("8","7","7","7","9","1","1") = "8"
    & skf18("8","7","7","7","9","2","1") = "8"
    & skf18("8","7","7","7","9","3","1") = "8"
    & skf18("8","7","7","7","9","4","1") = "8"
    & skf18("8","7","7","7","9","5","1") = "8"
    & skf18("8","7","7","7","9","6","1") = "8"
    & skf18("8","7","7","7","9","7","1") = "8"
    & skf18("8","7","7","7","9","8","1") = "8"
    & skf18("8","7","7","7","9","9","1") = "8"
    & skf18("8","7","7","7","9","10","1") = "9"
    & skf18("8","7","7","7","10","1","1") = "9"
    & skf18("8","7","7","7","10","2","1") = "9"
    & skf18("8","7","7","7","10","3","1") = "9"
    & skf18("8","7","7","7","10","4","1") = "9"
    & skf18("8","7","7","7","10","5","1") = "9"
    & skf18("8","7","7","7","10","6","1") = "9"
    & skf18("8","7","7","7","10","7","1") = "9"
    & skf18("8","7","7","7","10","8","1") = "9"
    & skf18("8","7","7","7","10","9","1") = "9"
    & skf18("8","7","7","7","10","10","1") = "9"
    & skf18("8","7","7","8","1","1","1") = "7"
    & skf18("8","7","7","8","1","2","1") = "7"
    & skf18("8","7","7","8","1","3","1") = "7"
    & skf18("8","7","7","8","1","4","1") = "7"
    & skf18("8","7","7","8","1","5","1") = "7"
    & skf18("8","7","7","8","1","6","1") = "7"
    & skf18("8","7","7","8","1","7","1") = "7"
    & skf18("8","7","7","8","1","8","1") = "7"
    & skf18("8","7","7","8","1","9","1") = "8"
    & skf18("8","7","7","8","1","10","1") = "9"
    & skf18("8","7","7","8","2","1","1") = "7"
    & skf18("8","7","7","8","2","2","1") = "7"
    & skf18("8","7","7","8","2","3","1") = "7"
    & skf18("8","7","7","8","2","4","1") = "7"
    & skf18("8","7","7","8","2","5","1") = "7"
    & skf18("8","7","7","8","2","6","1") = "7"
    & skf18("8","7","7","8","2","7","1") = "7"
    & skf18("8","7","7","8","2","8","1") = "7"
    & skf18("8","7","7","8","2","9","1") = "8"
    & skf18("8","7","7","8","2","10","1") = "9"
    & skf18("8","7","7","8","3","1","1") = "7"
    & skf18("8","7","7","8","3","2","1") = "7"
    & skf18("8","7","7","8","3","3","1") = "7"
    & skf18("8","7","7","8","3","4","1") = "7"
    & skf18("8","7","7","8","3","5","1") = "7"
    & skf18("8","7","7","8","3","6","1") = "7"
    & skf18("8","7","7","8","3","7","1") = "7"
    & skf18("8","7","7","8","3","8","1") = "7"
    & skf18("8","7","7","8","3","9","1") = "8"
    & skf18("8","7","7","8","3","10","1") = "9"
    & skf18("8","7","7","8","4","1","1") = "7"
    & skf18("8","7","7","8","4","2","1") = "7"
    & skf18("8","7","7","8","4","3","1") = "7"
    & skf18("8","7","7","8","4","4","1") = "7"
    & skf18("8","7","7","8","4","5","1") = "7"
    & skf18("8","7","7","8","4","6","1") = "7"
    & skf18("8","7","7","8","4","7","1") = "7"
    & skf18("8","7","7","8","4","8","1") = "7"
    & skf18("8","7","7","8","4","9","1") = "8"
    & skf18("8","7","7","8","4","10","1") = "9"
    & skf18("8","7","7","8","5","1","1") = "7"
    & skf18("8","7","7","8","5","2","1") = "7"
    & skf18("8","7","7","8","5","3","1") = "7"
    & skf18("8","7","7","8","5","4","1") = "7"
    & skf18("8","7","7","8","5","5","1") = "7"
    & skf18("8","7","7","8","5","6","1") = "7"
    & skf18("8","7","7","8","5","7","1") = "7"
    & skf18("8","7","7","8","5","8","1") = "7"
    & skf18("8","7","7","8","5","9","1") = "8"
    & skf18("8","7","7","8","5","10","1") = "9"
    & skf18("8","7","7","8","6","1","1") = "7"
    & skf18("8","7","7","8","6","2","1") = "7"
    & skf18("8","7","7","8","6","3","1") = "7"
    & skf18("8","7","7","8","6","4","1") = "7"
    & skf18("8","7","7","8","6","5","1") = "7"
    & skf18("8","7","7","8","6","6","1") = "7"
    & skf18("8","7","7","8","6","7","1") = "7"
    & skf18("8","7","7","8","6","8","1") = "7"
    & skf18("8","7","7","8","6","9","1") = "8"
    & skf18("8","7","7","8","6","10","1") = "9"
    & skf18("8","7","7","8","7","1","1") = "7"
    & skf18("8","7","7","8","7","2","1") = "7"
    & skf18("8","7","7","8","7","3","1") = "7"
    & skf18("8","7","7","8","7","4","1") = "7"
    & skf18("8","7","7","8","7","5","1") = "7"
    & skf18("8","7","7","8","7","6","1") = "7"
    & skf18("8","7","7","8","7","7","1") = "7"
    & skf18("8","7","7","8","7","8","1") = "7"
    & skf18("8","7","7","8","7","9","1") = "8"
    & skf18("8","7","7","8","7","10","1") = "9"
    & skf18("8","7","7","8","8","1","1") = "7"
    & skf18("8","7","7","8","8","2","1") = "7"
    & skf18("8","7","7","8","8","3","1") = "7"
    & skf18("8","7","7","8","8","4","1") = "7"
    & skf18("8","7","7","8","8","5","1") = "7"
    & skf18("8","7","7","8","8","6","1") = "7"
    & skf18("8","7","7","8","8","7","1") = "7"
    & skf18("8","7","7","8","8","8","1") = "7"
    & skf18("8","7","7","8","8","9","1") = "8"
    & skf18("8","7","7","8","8","10","1") = "9"
    & skf18("8","7","7","8","9","1","1") = "8"
    & skf18("8","7","7","8","9","2","1") = "8"
    & skf18("8","7","7","8","9","3","1") = "8"
    & skf18("8","7","7","8","9","4","1") = "8"
    & skf18("8","7","7","8","9","5","1") = "8"
    & skf18("8","7","7","8","9","6","1") = "8"
    & skf18("8","7","7","8","9","7","1") = "8"
    & skf18("8","7","7","8","9","8","1") = "8"
    & skf18("8","7","7","8","9","9","1") = "8"
    & skf18("8","7","7","8","9","10","1") = "9"
    & skf18("8","7","7","8","10","1","1") = "9"
    & skf18("8","7","7","8","10","2","1") = "9"
    & skf18("8","7","7","8","10","3","1") = "9"
    & skf18("8","7","7","8","10","4","1") = "9"
    & skf18("8","7","7","8","10","5","1") = "9"
    & skf18("8","7","7","8","10","6","1") = "9"
    & skf18("8","7","7","8","10","7","1") = "9"
    & skf18("8","7","7","8","10","8","1") = "9"
    & skf18("8","7","7","8","10","9","1") = "9"
    & skf18("8","7","7","8","10","10","1") = "9"
    & skf18("8","7","7","9","1","1","1") = "8"
    & skf18("8","7","7","9","1","2","1") = "8"
    & skf18("8","7","7","9","1","3","1") = "8"
    & skf18("8","7","7","9","1","4","1") = "8"
    & skf18("8","7","7","9","1","5","1") = "8"
    & skf18("8","7","7","9","1","6","1") = "8"
    & skf18("8","7","7","9","1","7","1") = "8"
    & skf18("8","7","7","9","1","8","1") = "8"
    & skf18("8","7","7","9","1","9","1") = "8"
    & skf18("8","7","7","9","1","10","1") = "9"
    & skf18("8","7","7","9","2","1","1") = "8"
    & skf18("8","7","7","9","2","2","1") = "8"
    & skf18("8","7","7","9","2","3","1") = "8"
    & skf18("8","7","7","9","2","4","1") = "8"
    & skf18("8","7","7","9","2","5","1") = "8"
    & skf18("8","7","7","9","2","6","1") = "8"
    & skf18("8","7","7","9","2","7","1") = "8"
    & skf18("8","7","7","9","2","8","1") = "8"
    & skf18("8","7","7","9","2","9","1") = "8"
    & skf18("8","7","7","9","2","10","1") = "9"
    & skf18("8","7","7","9","3","1","1") = "8"
    & skf18("8","7","7","9","3","2","1") = "8"
    & skf18("8","7","7","9","3","3","1") = "8"
    & skf18("8","7","7","9","3","4","1") = "8"
    & skf18("8","7","7","9","3","5","1") = "8"
    & skf18("8","7","7","9","3","6","1") = "8"
    & skf18("8","7","7","9","3","7","1") = "8"
    & skf18("8","7","7","9","3","8","1") = "8"
    & skf18("8","7","7","9","3","9","1") = "8"
    & skf18("8","7","7","9","3","10","1") = "9"
    & skf18("8","7","7","9","4","1","1") = "8"
    & skf18("8","7","7","9","4","2","1") = "8"
    & skf18("8","7","7","9","4","3","1") = "8"
    & skf18("8","7","7","9","4","4","1") = "8"
    & skf18("8","7","7","9","4","5","1") = "8"
    & skf18("8","7","7","9","4","6","1") = "8"
    & skf18("8","7","7","9","4","7","1") = "8"
    & skf18("8","7","7","9","4","8","1") = "8"
    & skf18("8","7","7","9","4","9","1") = "8"
    & skf18("8","7","7","9","4","10","1") = "9"
    & skf18("8","7","7","9","5","1","1") = "8"
    & skf18("8","7","7","9","5","2","1") = "8"
    & skf18("8","7","7","9","5","3","1") = "8"
    & skf18("8","7","7","9","5","4","1") = "8"
    & skf18("8","7","7","9","5","5","1") = "8"
    & skf18("8","7","7","9","5","6","1") = "8"
    & skf18("8","7","7","9","5","7","1") = "8"
    & skf18("8","7","7","9","5","8","1") = "8"
    & skf18("8","7","7","9","5","9","1") = "8"
    & skf18("8","7","7","9","5","10","1") = "9"
    & skf18("8","7","7","9","6","1","1") = "8"
    & skf18("8","7","7","9","6","2","1") = "8"
    & skf18("8","7","7","9","6","3","1") = "8"
    & skf18("8","7","7","9","6","4","1") = "8"
    & skf18("8","7","7","9","6","5","1") = "8"
    & skf18("8","7","7","9","6","6","1") = "8"
    & skf18("8","7","7","9","6","7","1") = "8"
    & skf18("8","7","7","9","6","8","1") = "8"
    & skf18("8","7","7","9","6","9","1") = "8"
    & skf18("8","7","7","9","6","10","1") = "9"
    & skf18("8","7","7","9","7","1","1") = "8"
    & skf18("8","7","7","9","7","2","1") = "8"
    & skf18("8","7","7","9","7","3","1") = "8"
    & skf18("8","7","7","9","7","4","1") = "8"
    & skf18("8","7","7","9","7","5","1") = "8"
    & skf18("8","7","7","9","7","6","1") = "8"
    & skf18("8","7","7","9","7","7","1") = "8"
    & skf18("8","7","7","9","7","8","1") = "8"
    & skf18("8","7","7","9","7","9","1") = "8"
    & skf18("8","7","7","9","7","10","1") = "9"
    & skf18("8","7","7","9","8","1","1") = "8"
    & skf18("8","7","7","9","8","2","1") = "8"
    & skf18("8","7","7","9","8","3","1") = "8"
    & skf18("8","7","7","9","8","4","1") = "8"
    & skf18("8","7","7","9","8","5","1") = "8"
    & skf18("8","7","7","9","8","6","1") = "8"
    & skf18("8","7","7","9","8","7","1") = "8"
    & skf18("8","7","7","9","8","8","1") = "8"
    & skf18("8","7","7","9","8","9","1") = "8"
    & skf18("8","7","7","9","8","10","1") = "9"
    & skf18("8","7","7","9","9","1","1") = "8"
    & skf18("8","7","7","9","9","2","1") = "8"
    & skf18("8","7","7","9","9","3","1") = "8"
    & skf18("8","7","7","9","9","4","1") = "8"
    & skf18("8","7","7","9","9","5","1") = "8"
    & skf18("8","7","7","9","9","6","1") = "8"
    & skf18("8","7","7","9","9","7","1") = "8"
    & skf18("8","7","7","9","9","8","1") = "8"
    & skf18("8","7","7","9","9","9","1") = "8"
    & skf18("8","7","7","9","9","10","1") = "9"
    & skf18("8","7","7","9","10","1","1") = "9"
    & skf18("8","7","7","9","10","2","1") = "9"
    & skf18("8","7","7","9","10","3","1") = "9"
    & skf18("8","7","7","9","10","4","1") = "9"
    & skf18("8","7","7","9","10","5","1") = "9"
    & skf18("8","7","7","9","10","6","1") = "9"
    & skf18("8","7","7","9","10","7","1") = "9"
    & skf18("8","7","7","9","10","8","1") = "9"
    & skf18("8","7","7","9","10","9","1") = "9"
    & skf18("8","7","7","9","10","10","1") = "9"
    & skf18("8","7","7","10","1","1","1") = "9"
    & skf18("8","7","7","10","1","2","1") = "9"
    & skf18("8","7","7","10","1","3","1") = "9"
    & skf18("8","7","7","10","1","4","1") = "9"
    & skf18("8","7","7","10","1","5","1") = "9"
    & skf18("8","7","7","10","1","6","1") = "9"
    & skf18("8","7","7","10","1","7","1") = "9"
    & skf18("8","7","7","10","1","8","1") = "9"
    & skf18("8","7","7","10","1","9","1") = "9"
    & skf18("8","7","7","10","1","10","1") = "9"
    & skf18("8","7","7","10","2","1","1") = "9"
    & skf18("8","7","7","10","2","2","1") = "9"
    & skf18("8","7","7","10","2","3","1") = "9"
    & skf18("8","7","7","10","2","4","1") = "9"
    & skf18("8","7","7","10","2","5","1") = "9"
    & skf18("8","7","7","10","2","6","1") = "9"
    & skf18("8","7","7","10","2","7","1") = "9"
    & skf18("8","7","7","10","2","8","1") = "9"
    & skf18("8","7","7","10","2","9","1") = "9"
    & skf18("8","7","7","10","2","10","1") = "9"
    & skf18("8","7","7","10","3","1","1") = "9"
    & skf18("8","7","7","10","3","2","1") = "9"
    & skf18("8","7","7","10","3","3","1") = "9"
    & skf18("8","7","7","10","3","4","1") = "9"
    & skf18("8","7","7","10","3","5","1") = "9"
    & skf18("8","7","7","10","3","6","1") = "9"
    & skf18("8","7","7","10","3","7","1") = "9"
    & skf18("8","7","7","10","3","8","1") = "9"
    & skf18("8","7","7","10","3","9","1") = "9"
    & skf18("8","7","7","10","3","10","1") = "9"
    & skf18("8","7","7","10","4","1","1") = "9"
    & skf18("8","7","7","10","4","2","1") = "9"
    & skf18("8","7","7","10","4","3","1") = "9"
    & skf18("8","7","7","10","4","4","1") = "9"
    & skf18("8","7","7","10","4","5","1") = "9"
    & skf18("8","7","7","10","4","6","1") = "9"
    & skf18("8","7","7","10","4","7","1") = "9"
    & skf18("8","7","7","10","4","8","1") = "9"
    & skf18("8","7","7","10","4","9","1") = "9"
    & skf18("8","7","7","10","4","10","1") = "9"
    & skf18("8","7","7","10","5","1","1") = "9"
    & skf18("8","7","7","10","5","2","1") = "9"
    & skf18("8","7","7","10","5","3","1") = "9"
    & skf18("8","7","7","10","5","4","1") = "9"
    & skf18("8","7","7","10","5","5","1") = "9"
    & skf18("8","7","7","10","5","6","1") = "9"
    & skf18("8","7","7","10","5","7","1") = "9"
    & skf18("8","7","7","10","5","8","1") = "9"
    & skf18("8","7","7","10","5","9","1") = "9"
    & skf18("8","7","7","10","5","10","1") = "9"
    & skf18("8","7","7","10","6","1","1") = "9"
    & skf18("8","7","7","10","6","2","1") = "9"
    & skf18("8","7","7","10","6","3","1") = "9"
    & skf18("8","7","7","10","6","4","1") = "9"
    & skf18("8","7","7","10","6","5","1") = "9"
    & skf18("8","7","7","10","6","6","1") = "9"
    & skf18("8","7","7","10","6","7","1") = "9"
    & skf18("8","7","7","10","6","8","1") = "9"
    & skf18("8","7","7","10","6","9","1") = "9"
    & skf18("8","7","7","10","6","10","1") = "9"
    & skf18("8","7","7","10","7","1","1") = "9"
    & skf18("8","7","7","10","7","2","1") = "9"
    & skf18("8","7","7","10","7","3","1") = "9"
    & skf18("8","7","7","10","7","4","1") = "9"
    & skf18("8","7","7","10","7","5","1") = "9"
    & skf18("8","7","7","10","7","6","1") = "9"
    & skf18("8","7","7","10","7","7","1") = "9"
    & skf18("8","7","7","10","7","8","1") = "9"
    & skf18("8","7","7","10","7","9","1") = "9"
    & skf18("8","7","7","10","7","10","1") = "9"
    & skf18("8","7","7","10","8","1","1") = "9"
    & skf18("8","7","7","10","8","2","1") = "9"
    & skf18("8","7","7","10","8","3","1") = "9"
    & skf18("8","7","7","10","8","4","1") = "9"
    & skf18("8","7","7","10","8","5","1") = "9"
    & skf18("8","7","7","10","8","6","1") = "9"
    & skf18("8","7","7","10","8","7","1") = "9"
    & skf18("8","7","7","10","8","8","1") = "9"
    & skf18("8","7","7","10","8","9","1") = "9"
    & skf18("8","7","7","10","8","10","1") = "9"
    & skf18("8","7","7","10","9","1","1") = "9"
    & skf18("8","7","7","10","9","2","1") = "9"
    & skf18("8","7","7","10","9","3","1") = "9"
    & skf18("8","7","7","10","9","4","1") = "9"
    & skf18("8","7","7","10","9","5","1") = "9"
    & skf18("8","7","7","10","9","6","1") = "9"
    & skf18("8","7","7","10","9","7","1") = "9"
    & skf18("8","7","7","10","9","8","1") = "9"
    & skf18("8","7","7","10","9","9","1") = "9"
    & skf18("8","7","7","10","9","10","1") = "9"
    & skf18("8","7","7","10","10","1","1") = "9"
    & skf18("8","7","7","10","10","2","1") = "9"
    & skf18("8","7","7","10","10","3","1") = "9"
    & skf18("8","7","7","10","10","4","1") = "9"
    & skf18("8","7","7","10","10","5","1") = "9"
    & skf18("8","7","7","10","10","6","1") = "9"
    & skf18("8","7","7","10","10","7","1") = "9"
    & skf18("8","7","7","10","10","8","1") = "9"
    & skf18("8","7","7","10","10","9","1") = "9"
    & skf18("8","7","7","10","10","10","1") = "9"
    & skf18("8","7","8","1","1","1","1") = "7"
    & skf18("8","7","8","1","1","2","1") = "7"
    & skf18("8","7","8","1","1","3","1") = "7"
    & skf18("8","7","8","1","1","4","1") = "7"
    & skf18("8","7","8","1","1","5","1") = "7"
    & skf18("8","7","8","1","1","6","1") = "7"
    & skf18("8","7","8","1","1","7","1") = "7"
    & skf18("8","7","8","1","1","8","1") = "7"
    & skf18("8","7","8","1","1","9","1") = "8"
    & skf18("8","7","8","1","1","10","1") = "9"
    & skf18("8","7","8","1","2","1","1") = "7"
    & skf18("8","7","8","1","2","2","1") = "7"
    & skf18("8","7","8","1","2","3","1") = "7"
    & skf18("8","7","8","1","2","4","1") = "7"
    & skf18("8","7","8","1","2","5","1") = "7"
    & skf18("8","7","8","1","2","6","1") = "7"
    & skf18("8","7","8","1","2","7","1") = "7"
    & skf18("8","7","8","1","2","8","1") = "7"
    & skf18("8","7","8","1","2","9","1") = "8"
    & skf18("8","7","8","1","2","10","1") = "9"
    & skf18("8","7","8","1","3","1","1") = "7"
    & skf18("8","7","8","1","3","2","1") = "7"
    & skf18("8","7","8","1","3","3","1") = "7"
    & skf18("8","7","8","1","3","4","1") = "7"
    & skf18("8","7","8","1","3","5","1") = "7"
    & skf18("8","7","8","1","3","6","1") = "7"
    & skf18("8","7","8","1","3","7","1") = "7"
    & skf18("8","7","8","1","3","8","1") = "7"
    & skf18("8","7","8","1","3","9","1") = "8"
    & skf18("8","7","8","1","3","10","1") = "9"
    & skf18("8","7","8","1","4","1","1") = "7"
    & skf18("8","7","8","1","4","2","1") = "7"
    & skf18("8","7","8","1","4","3","1") = "7"
    & skf18("8","7","8","1","4","4","1") = "7"
    & skf18("8","7","8","1","4","5","1") = "7"
    & skf18("8","7","8","1","4","6","1") = "7"
    & skf18("8","7","8","1","4","7","1") = "7"
    & skf18("8","7","8","1","4","8","1") = "7"
    & skf18("8","7","8","1","4","9","1") = "8"
    & skf18("8","7","8","1","4","10","1") = "9"
    & skf18("8","7","8","1","5","1","1") = "7"
    & skf18("8","7","8","1","5","2","1") = "7"
    & skf18("8","7","8","1","5","3","1") = "7"
    & skf18("8","7","8","1","5","4","1") = "7"
    & skf18("8","7","8","1","5","5","1") = "7"
    & skf18("8","7","8","1","5","6","1") = "7"
    & skf18("8","7","8","1","5","7","1") = "7"
    & skf18("8","7","8","1","5","8","1") = "7"
    & skf18("8","7","8","1","5","9","1") = "8"
    & skf18("8","7","8","1","5","10","1") = "9"
    & skf18("8","7","8","1","6","1","1") = "7"
    & skf18("8","7","8","1","6","2","1") = "7"
    & skf18("8","7","8","1","6","3","1") = "7"
    & skf18("8","7","8","1","6","4","1") = "7"
    & skf18("8","7","8","1","6","5","1") = "7"
    & skf18("8","7","8","1","6","6","1") = "7"
    & skf18("8","7","8","1","6","7","1") = "7"
    & skf18("8","7","8","1","6","8","1") = "7"
    & skf18("8","7","8","1","6","9","1") = "8"
    & skf18("8","7","8","1","6","10","1") = "9"
    & skf18("8","7","8","1","7","1","1") = "7"
    & skf18("8","7","8","1","7","2","1") = "7"
    & skf18("8","7","8","1","7","3","1") = "7"
    & skf18("8","7","8","1","7","4","1") = "7"
    & skf18("8","7","8","1","7","5","1") = "7"
    & skf18("8","7","8","1","7","6","1") = "7"
    & skf18("8","7","8","1","7","7","1") = "7"
    & skf18("8","7","8","1","7","8","1") = "7"
    & skf18("8","7","8","1","7","9","1") = "8"
    & skf18("8","7","8","1","7","10","1") = "9"
    & skf18("8","7","8","1","8","1","1") = "7"
    & skf18("8","7","8","1","8","2","1") = "7"
    & skf18("8","7","8","1","8","3","1") = "7"
    & skf18("8","7","8","1","8","4","1") = "7"
    & skf18("8","7","8","1","8","5","1") = "7"
    & skf18("8","7","8","1","8","6","1") = "7"
    & skf18("8","7","8","1","8","7","1") = "7"
    & skf18("8","7","8","1","8","8","1") = "7"
    & skf18("8","7","8","1","8","9","1") = "8"
    & skf18("8","7","8","1","8","10","1") = "9"
    & skf18("8","7","8","1","9","1","1") = "8"
    & skf18("8","7","8","1","9","2","1") = "8"
    & skf18("8","7","8","1","9","3","1") = "8"
    & skf18("8","7","8","1","9","4","1") = "8"
    & skf18("8","7","8","1","9","5","1") = "8"
    & skf18("8","7","8","1","9","6","1") = "8"
    & skf18("8","7","8","1","9","7","1") = "8"
    & skf18("8","7","8","1","9","8","1") = "8"
    & skf18("8","7","8","1","9","9","1") = "8"
    & skf18("8","7","8","1","9","10","1") = "9"
    & skf18("8","7","8","1","10","1","1") = "9"
    & skf18("8","7","8","1","10","2","1") = "9"
    & skf18("8","7","8","1","10","3","1") = "9"
    & skf18("8","7","8","1","10","4","1") = "9"
    & skf18("8","7","8","1","10","5","1") = "9"
    & skf18("8","7","8","1","10","6","1") = "9"
    & skf18("8","7","8","1","10","7","1") = "9"
    & skf18("8","7","8","1","10","8","1") = "9"
    & skf18("8","7","8","1","10","9","1") = "9"
    & skf18("8","7","8","1","10","10","1") = "9"
    & skf18("8","7","8","2","1","1","1") = "7"
    & skf18("8","7","8","2","1","2","1") = "7"
    & skf18("8","7","8","2","1","3","1") = "7"
    & skf18("8","7","8","2","1","4","1") = "7"
    & skf18("8","7","8","2","1","5","1") = "7"
    & skf18("8","7","8","2","1","6","1") = "7"
    & skf18("8","7","8","2","1","7","1") = "7"
    & skf18("8","7","8","2","1","8","1") = "7"
    & skf18("8","7","8","2","1","9","1") = "8"
    & skf18("8","7","8","2","1","10","1") = "9"
    & skf18("8","7","8","2","2","1","1") = "7"
    & skf18("8","7","8","2","2","2","1") = "7"
    & skf18("8","7","8","2","2","3","1") = "7"
    & skf18("8","7","8","2","2","4","1") = "7"
    & skf18("8","7","8","2","2","5","1") = "7"
    & skf18("8","7","8","2","2","6","1") = "7"
    & skf18("8","7","8","2","2","7","1") = "7"
    & skf18("8","7","8","2","2","8","1") = "7"
    & skf18("8","7","8","2","2","9","1") = "8"
    & skf18("8","7","8","2","2","10","1") = "9"
    & skf18("8","7","8","2","3","1","1") = "7"
    & skf18("8","7","8","2","3","2","1") = "7"
    & skf18("8","7","8","2","3","3","1") = "7"
    & skf18("8","7","8","2","3","4","1") = "7"
    & skf18("8","7","8","2","3","5","1") = "7"
    & skf18("8","7","8","2","3","6","1") = "7"
    & skf18("8","7","8","2","3","7","1") = "7"
    & skf18("8","7","8","2","3","8","1") = "7"
    & skf18("8","7","8","2","3","9","1") = "8"
    & skf18("8","7","8","2","3","10","1") = "9"
    & skf18("8","7","8","2","4","1","1") = "7"
    & skf18("8","7","8","2","4","2","1") = "7"
    & skf18("8","7","8","2","4","3","1") = "7"
    & skf18("8","7","8","2","4","4","1") = "7"
    & skf18("8","7","8","2","4","5","1") = "7"
    & skf18("8","7","8","2","4","6","1") = "7"
    & skf18("8","7","8","2","4","7","1") = "7"
    & skf18("8","7","8","2","4","8","1") = "7"
    & skf18("8","7","8","2","4","9","1") = "8"
    & skf18("8","7","8","2","4","10","1") = "9"
    & skf18("8","7","8","2","5","1","1") = "7"
    & skf18("8","7","8","2","5","2","1") = "7"
    & skf18("8","7","8","2","5","3","1") = "7"
    & skf18("8","7","8","2","5","4","1") = "7"
    & skf18("8","7","8","2","5","5","1") = "7"
    & skf18("8","7","8","2","5","6","1") = "7"
    & skf18("8","7","8","2","5","7","1") = "7"
    & skf18("8","7","8","2","5","8","1") = "7"
    & skf18("8","7","8","2","5","9","1") = "8"
    & skf18("8","7","8","2","5","10","1") = "9"
    & skf18("8","7","8","2","6","1","1") = "7"
    & skf18("8","7","8","2","6","2","1") = "7"
    & skf18("8","7","8","2","6","3","1") = "7"
    & skf18("8","7","8","2","6","4","1") = "7"
    & skf18("8","7","8","2","6","5","1") = "7"
    & skf18("8","7","8","2","6","6","1") = "7"
    & skf18("8","7","8","2","6","7","1") = "7"
    & skf18("8","7","8","2","6","8","1") = "7"
    & skf18("8","7","8","2","6","9","1") = "8"
    & skf18("8","7","8","2","6","10","1") = "9"
    & skf18("8","7","8","2","7","1","1") = "7"
    & skf18("8","7","8","2","7","2","1") = "7"
    & skf18("8","7","8","2","7","3","1") = "7"
    & skf18("8","7","8","2","7","4","1") = "7"
    & skf18("8","7","8","2","7","5","1") = "7"
    & skf18("8","7","8","2","7","6","1") = "7"
    & skf18("8","7","8","2","7","7","1") = "7"
    & skf18("8","7","8","2","7","8","1") = "7"
    & skf18("8","7","8","2","7","9","1") = "8"
    & skf18("8","7","8","2","7","10","1") = "9"
    & skf18("8","7","8","2","8","1","1") = "7"
    & skf18("8","7","8","2","8","2","1") = "7"
    & skf18("8","7","8","2","8","3","1") = "7"
    & skf18("8","7","8","2","8","4","1") = "7"
    & skf18("8","7","8","2","8","5","1") = "7"
    & skf18("8","7","8","2","8","6","1") = "7"
    & skf18("8","7","8","2","8","7","1") = "7"
    & skf18("8","7","8","2","8","8","1") = "7"
    & skf18("8","7","8","2","8","9","1") = "8"
    & skf18("8","7","8","2","8","10","1") = "9"
    & skf18("8","7","8","2","9","1","1") = "8"
    & skf18("8","7","8","2","9","2","1") = "8"
    & skf18("8","7","8","2","9","3","1") = "8"
    & skf18("8","7","8","2","9","4","1") = "8"
    & skf18("8","7","8","2","9","5","1") = "8"
    & skf18("8","7","8","2","9","6","1") = "8"
    & skf18("8","7","8","2","9","7","1") = "8"
    & skf18("8","7","8","2","9","8","1") = "8"
    & skf18("8","7","8","2","9","9","1") = "8"
    & skf18("8","7","8","2","9","10","1") = "9"
    & skf18("8","7","8","2","10","1","1") = "9"
    & skf18("8","7","8","2","10","2","1") = "9"
    & skf18("8","7","8","2","10","3","1") = "9"
    & skf18("8","7","8","2","10","4","1") = "9"
    & skf18("8","7","8","2","10","5","1") = "9"
    & skf18("8","7","8","2","10","6","1") = "9"
    & skf18("8","7","8","2","10","7","1") = "9"
    & skf18("8","7","8","2","10","8","1") = "9"
    & skf18("8","7","8","2","10","9","1") = "9"
    & skf18("8","7","8","2","10","10","1") = "9"
    & skf18("8","7","8","3","1","1","1") = "7"
    & skf18("8","7","8","3","1","2","1") = "7"
    & skf18("8","7","8","3","1","3","1") = "7"
    & skf18("8","7","8","3","1","4","1") = "7"
    & skf18("8","7","8","3","1","5","1") = "7"
    & skf18("8","7","8","3","1","6","1") = "7"
    & skf18("8","7","8","3","1","7","1") = "7"
    & skf18("8","7","8","3","1","8","1") = "7"
    & skf18("8","7","8","3","1","9","1") = "8"
    & skf18("8","7","8","3","1","10","1") = "9"
    & skf18("8","7","8","3","2","1","1") = "7"
    & skf18("8","7","8","3","2","2","1") = "7"
    & skf18("8","7","8","3","2","3","1") = "7"
    & skf18("8","7","8","3","2","4","1") = "7"
    & skf18("8","7","8","3","2","5","1") = "7"
    & skf18("8","7","8","3","2","6","1") = "7"
    & skf18("8","7","8","3","2","7","1") = "7"
    & skf18("8","7","8","3","2","8","1") = "7"
    & skf18("8","7","8","3","2","9","1") = "8"
    & skf18("8","7","8","3","2","10","1") = "9"
    & skf18("8","7","8","3","3","1","1") = "7"
    & skf18("8","7","8","3","3","2","1") = "7"
    & skf18("8","7","8","3","3","3","1") = "7"
    & skf18("8","7","8","3","3","4","1") = "7"
    & skf18("8","7","8","3","3","5","1") = "7"
    & skf18("8","7","8","3","3","6","1") = "7"
    & skf18("8","7","8","3","3","7","1") = "7"
    & skf18("8","7","8","3","3","8","1") = "7"
    & skf18("8","7","8","3","3","9","1") = "8"
    & skf18("8","7","8","3","3","10","1") = "9"
    & skf18("8","7","8","3","4","1","1") = "7"
    & skf18("8","7","8","3","4","2","1") = "7"
    & skf18("8","7","8","3","4","3","1") = "7"
    & skf18("8","7","8","3","4","4","1") = "7"
    & skf18("8","7","8","3","4","5","1") = "7"
    & skf18("8","7","8","3","4","6","1") = "7"
    & skf18("8","7","8","3","4","7","1") = "7"
    & skf18("8","7","8","3","4","8","1") = "7"
    & skf18("8","7","8","3","4","9","1") = "8"
    & skf18("8","7","8","3","4","10","1") = "9"
    & skf18("8","7","8","3","5","1","1") = "7"
    & skf18("8","7","8","3","5","2","1") = "7"
    & skf18("8","7","8","3","5","3","1") = "7"
    & skf18("8","7","8","3","5","4","1") = "7"
    & skf18("8","7","8","3","5","5","1") = "7"
    & skf18("8","7","8","3","5","6","1") = "7"
    & skf18("8","7","8","3","5","7","1") = "7"
    & skf18("8","7","8","3","5","8","1") = "7"
    & skf18("8","7","8","3","5","9","1") = "8"
    & skf18("8","7","8","3","5","10","1") = "9"
    & skf18("8","7","8","3","6","1","1") = "7"
    & skf18("8","7","8","3","6","2","1") = "7"
    & skf18("8","7","8","3","6","3","1") = "7"
    & skf18("8","7","8","3","6","4","1") = "7"
    & skf18("8","7","8","3","6","5","1") = "7"
    & skf18("8","7","8","3","6","6","1") = "7"
    & skf18("8","7","8","3","6","7","1") = "7"
    & skf18("8","7","8","3","6","8","1") = "7"
    & skf18("8","7","8","3","6","9","1") = "8"
    & skf18("8","7","8","3","6","10","1") = "9"
    & skf18("8","7","8","3","7","1","1") = "7"
    & skf18("8","7","8","3","7","2","1") = "7"
    & skf18("8","7","8","3","7","3","1") = "7"
    & skf18("8","7","8","3","7","4","1") = "7"
    & skf18("8","7","8","3","7","5","1") = "7"
    & skf18("8","7","8","3","7","6","1") = "7"
    & skf18("8","7","8","3","7","7","1") = "7"
    & skf18("8","7","8","3","7","8","1") = "7"
    & skf18("8","7","8","3","7","9","1") = "8"
    & skf18("8","7","8","3","7","10","1") = "9"
    & skf18("8","7","8","3","8","1","1") = "7"
    & skf18("8","7","8","3","8","2","1") = "7"
    & skf18("8","7","8","3","8","3","1") = "7"
    & skf18("8","7","8","3","8","4","1") = "7"
    & skf18("8","7","8","3","8","5","1") = "7"
    & skf18("8","7","8","3","8","6","1") = "7"
    & skf18("8","7","8","3","8","7","1") = "7"
    & skf18("8","7","8","3","8","8","1") = "7"
    & skf18("8","7","8","3","8","9","1") = "8"
    & skf18("8","7","8","3","8","10","1") = "9"
    & skf18("8","7","8","3","9","1","1") = "8"
    & skf18("8","7","8","3","9","2","1") = "8"
    & skf18("8","7","8","3","9","3","1") = "8"
    & skf18("8","7","8","3","9","4","1") = "8"
    & skf18("8","7","8","3","9","5","1") = "8"
    & skf18("8","7","8","3","9","6","1") = "8"
    & skf18("8","7","8","3","9","7","1") = "8"
    & skf18("8","7","8","3","9","8","1") = "8"
    & skf18("8","7","8","3","9","9","1") = "8"
    & skf18("8","7","8","3","9","10","1") = "9"
    & skf18("8","7","8","3","10","1","1") = "9"
    & skf18("8","7","8","3","10","2","1") = "9"
    & skf18("8","7","8","3","10","3","1") = "9"
    & skf18("8","7","8","3","10","4","1") = "9"
    & skf18("8","7","8","3","10","5","1") = "9"
    & skf18("8","7","8","3","10","6","1") = "9"
    & skf18("8","7","8","3","10","7","1") = "9"
    & skf18("8","7","8","3","10","8","1") = "9"
    & skf18("8","7","8","3","10","9","1") = "9"
    & skf18("8","7","8","3","10","10","1") = "9"
    & skf18("8","7","8","4","1","1","1") = "7"
    & skf18("8","7","8","4","1","2","1") = "7"
    & skf18("8","7","8","4","1","3","1") = "7"
    & skf18("8","7","8","4","1","4","1") = "7"
    & skf18("8","7","8","4","1","5","1") = "7"
    & skf18("8","7","8","4","1","6","1") = "7"
    & skf18("8","7","8","4","1","7","1") = "7"
    & skf18("8","7","8","4","1","8","1") = "7"
    & skf18("8","7","8","4","1","9","1") = "8"
    & skf18("8","7","8","4","1","10","1") = "9"
    & skf18("8","7","8","4","2","1","1") = "7"
    & skf18("8","7","8","4","2","2","1") = "7"
    & skf18("8","7","8","4","2","3","1") = "7"
    & skf18("8","7","8","4","2","4","1") = "7"
    & skf18("8","7","8","4","2","5","1") = "7"
    & skf18("8","7","8","4","2","6","1") = "7"
    & skf18("8","7","8","4","2","7","1") = "7"
    & skf18("8","7","8","4","2","8","1") = "7"
    & skf18("8","7","8","4","2","9","1") = "8"
    & skf18("8","7","8","4","2","10","1") = "9"
    & skf18("8","7","8","4","3","1","1") = "7"
    & skf18("8","7","8","4","3","2","1") = "7"
    & skf18("8","7","8","4","3","3","1") = "7"
    & skf18("8","7","8","4","3","4","1") = "7"
    & skf18("8","7","8","4","3","5","1") = "7"
    & skf18("8","7","8","4","3","6","1") = "7"
    & skf18("8","7","8","4","3","7","1") = "7"
    & skf18("8","7","8","4","3","8","1") = "7"
    & skf18("8","7","8","4","3","9","1") = "8"
    & skf18("8","7","8","4","3","10","1") = "9"
    & skf18("8","7","8","4","4","1","1") = "7"
    & skf18("8","7","8","4","4","2","1") = "7"
    & skf18("8","7","8","4","4","3","1") = "7"
    & skf18("8","7","8","4","4","4","1") = "7"
    & skf18("8","7","8","4","4","5","1") = "7"
    & skf18("8","7","8","4","4","6","1") = "7"
    & skf18("8","7","8","4","4","7","1") = "7"
    & skf18("8","7","8","4","4","8","1") = "7"
    & skf18("8","7","8","4","4","9","1") = "8"
    & skf18("8","7","8","4","4","10","1") = "9"
    & skf18("8","7","8","4","5","1","1") = "7"
    & skf18("8","7","8","4","5","2","1") = "7"
    & skf18("8","7","8","4","5","3","1") = "7"
    & skf18("8","7","8","4","5","4","1") = "7"
    & skf18("8","7","8","4","5","5","1") = "7"
    & skf18("8","7","8","4","5","6","1") = "7"
    & skf18("8","7","8","4","5","7","1") = "7"
    & skf18("8","7","8","4","5","8","1") = "7"
    & skf18("8","7","8","4","5","9","1") = "8"
    & skf18("8","7","8","4","5","10","1") = "9"
    & skf18("8","7","8","4","6","1","1") = "7"
    & skf18("8","7","8","4","6","2","1") = "7"
    & skf18("8","7","8","4","6","3","1") = "7"
    & skf18("8","7","8","4","6","4","1") = "7"
    & skf18("8","7","8","4","6","5","1") = "7"
    & skf18("8","7","8","4","6","6","1") = "7"
    & skf18("8","7","8","4","6","7","1") = "7"
    & skf18("8","7","8","4","6","8","1") = "7"
    & skf18("8","7","8","4","6","9","1") = "8"
    & skf18("8","7","8","4","6","10","1") = "9"
    & skf18("8","7","8","4","7","1","1") = "7"
    & skf18("8","7","8","4","7","2","1") = "7"
    & skf18("8","7","8","4","7","3","1") = "7"
    & skf18("8","7","8","4","7","4","1") = "7"
    & skf18("8","7","8","4","7","5","1") = "7"
    & skf18("8","7","8","4","7","6","1") = "7"
    & skf18("8","7","8","4","7","7","1") = "7"
    & skf18("8","7","8","4","7","8","1") = "7"
    & skf18("8","7","8","4","7","9","1") = "8"
    & skf18("8","7","8","4","7","10","1") = "9"
    & skf18("8","7","8","4","8","1","1") = "7"
    & skf18("8","7","8","4","8","2","1") = "7"
    & skf18("8","7","8","4","8","3","1") = "7"
    & skf18("8","7","8","4","8","4","1") = "7"
    & skf18("8","7","8","4","8","5","1") = "7"
    & skf18("8","7","8","4","8","6","1") = "7"
    & skf18("8","7","8","4","8","7","1") = "7"
    & skf18("8","7","8","4","8","8","1") = "7"
    & skf18("8","7","8","4","8","9","1") = "8"
    & skf18("8","7","8","4","8","10","1") = "9"
    & skf18("8","7","8","4","9","1","1") = "8"
    & skf18("8","7","8","4","9","2","1") = "8"
    & skf18("8","7","8","4","9","3","1") = "8"
    & skf18("8","7","8","4","9","4","1") = "8"
    & skf18("8","7","8","4","9","5","1") = "8"
    & skf18("8","7","8","4","9","6","1") = "8"
    & skf18("8","7","8","4","9","7","1") = "8"
    & skf18("8","7","8","4","9","8","1") = "8"
    & skf18("8","7","8","4","9","9","1") = "8"
    & skf18("8","7","8","4","9","10","1") = "9"
    & skf18("8","7","8","4","10","1","1") = "9"
    & skf18("8","7","8","4","10","2","1") = "9"
    & skf18("8","7","8","4","10","3","1") = "9"
    & skf18("8","7","8","4","10","4","1") = "9"
    & skf18("8","7","8","4","10","5","1") = "9"
    & skf18("8","7","8","4","10","6","1") = "9"
    & skf18("8","7","8","4","10","7","1") = "9"
    & skf18("8","7","8","4","10","8","1") = "9"
    & skf18("8","7","8","4","10","9","1") = "9"
    & skf18("8","7","8","4","10","10","1") = "9"
    & skf18("8","7","8","5","1","1","1") = "7"
    & skf18("8","7","8","5","1","2","1") = "7"
    & skf18("8","7","8","5","1","3","1") = "7"
    & skf18("8","7","8","5","1","4","1") = "7"
    & skf18("8","7","8","5","1","5","1") = "7"
    & skf18("8","7","8","5","1","6","1") = "7"
    & skf18("8","7","8","5","1","7","1") = "7"
    & skf18("8","7","8","5","1","8","1") = "7"
    & skf18("8","7","8","5","1","9","1") = "8"
    & skf18("8","7","8","5","1","10","1") = "9"
    & skf18("8","7","8","5","2","1","1") = "7"
    & skf18("8","7","8","5","2","2","1") = "7"
    & skf18("8","7","8","5","2","3","1") = "7"
    & skf18("8","7","8","5","2","4","1") = "7"
    & skf18("8","7","8","5","2","5","1") = "7"
    & skf18("8","7","8","5","2","6","1") = "7"
    & skf18("8","7","8","5","2","7","1") = "7"
    & skf18("8","7","8","5","2","8","1") = "7"
    & skf18("8","7","8","5","2","9","1") = "8"
    & skf18("8","7","8","5","2","10","1") = "9"
    & skf18("8","7","8","5","3","1","1") = "7"
    & skf18("8","7","8","5","3","2","1") = "7"
    & skf18("8","7","8","5","3","3","1") = "7"
    & skf18("8","7","8","5","3","4","1") = "7"
    & skf18("8","7","8","5","3","5","1") = "7"
    & skf18("8","7","8","5","3","6","1") = "7"
    & skf18("8","7","8","5","3","7","1") = "7"
    & skf18("8","7","8","5","3","8","1") = "7"
    & skf18("8","7","8","5","3","9","1") = "8"
    & skf18("8","7","8","5","3","10","1") = "9"
    & skf18("8","7","8","5","4","1","1") = "7"
    & skf18("8","7","8","5","4","2","1") = "7"
    & skf18("8","7","8","5","4","3","1") = "7"
    & skf18("8","7","8","5","4","4","1") = "7"
    & skf18("8","7","8","5","4","5","1") = "7"
    & skf18("8","7","8","5","4","6","1") = "7"
    & skf18("8","7","8","5","4","7","1") = "7"
    & skf18("8","7","8","5","4","8","1") = "7"
    & skf18("8","7","8","5","4","9","1") = "8"
    & skf18("8","7","8","5","4","10","1") = "9"
    & skf18("8","7","8","5","5","1","1") = "7"
    & skf18("8","7","8","5","5","2","1") = "7"
    & skf18("8","7","8","5","5","3","1") = "7"
    & skf18("8","7","8","5","5","4","1") = "7"
    & skf18("8","7","8","5","5","5","1") = "7"
    & skf18("8","7","8","5","5","6","1") = "7"
    & skf18("8","7","8","5","5","7","1") = "7"
    & skf18("8","7","8","5","5","8","1") = "7"
    & skf18("8","7","8","5","5","9","1") = "8"
    & skf18("8","7","8","5","5","10","1") = "9"
    & skf18("8","7","8","5","6","1","1") = "7"
    & skf18("8","7","8","5","6","2","1") = "7"
    & skf18("8","7","8","5","6","3","1") = "7"
    & skf18("8","7","8","5","6","4","1") = "7"
    & skf18("8","7","8","5","6","5","1") = "7"
    & skf18("8","7","8","5","6","6","1") = "7"
    & skf18("8","7","8","5","6","7","1") = "7"
    & skf18("8","7","8","5","6","8","1") = "7"
    & skf18("8","7","8","5","6","9","1") = "8"
    & skf18("8","7","8","5","6","10","1") = "9"
    & skf18("8","7","8","5","7","1","1") = "7"
    & skf18("8","7","8","5","7","2","1") = "7"
    & skf18("8","7","8","5","7","3","1") = "7"
    & skf18("8","7","8","5","7","4","1") = "7"
    & skf18("8","7","8","5","7","5","1") = "7"
    & skf18("8","7","8","5","7","6","1") = "7"
    & skf18("8","7","8","5","7","7","1") = "7"
    & skf18("8","7","8","5","7","8","1") = "7"
    & skf18("8","7","8","5","7","9","1") = "8"
    & skf18("8","7","8","5","7","10","1") = "9"
    & skf18("8","7","8","5","8","1","1") = "7"
    & skf18("8","7","8","5","8","2","1") = "7"
    & skf18("8","7","8","5","8","3","1") = "7"
    & skf18("8","7","8","5","8","4","1") = "7"
    & skf18("8","7","8","5","8","5","1") = "7"
    & skf18("8","7","8","5","8","6","1") = "7"
    & skf18("8","7","8","5","8","7","1") = "7"
    & skf18("8","7","8","5","8","8","1") = "7"
    & skf18("8","7","8","5","8","9","1") = "8"
    & skf18("8","7","8","5","8","10","1") = "9"
    & skf18("8","7","8","5","9","1","1") = "8"
    & skf18("8","7","8","5","9","2","1") = "8"
    & skf18("8","7","8","5","9","3","1") = "8"
    & skf18("8","7","8","5","9","4","1") = "8"
    & skf18("8","7","8","5","9","5","1") = "8"
    & skf18("8","7","8","5","9","6","1") = "8"
    & skf18("8","7","8","5","9","7","1") = "8"
    & skf18("8","7","8","5","9","8","1") = "8"
    & skf18("8","7","8","5","9","9","1") = "8"
    & skf18("8","7","8","5","9","10","1") = "9"
    & skf18("8","7","8","5","10","1","1") = "9"
    & skf18("8","7","8","5","10","2","1") = "9"
    & skf18("8","7","8","5","10","3","1") = "9"
    & skf18("8","7","8","5","10","4","1") = "9"
    & skf18("8","7","8","5","10","5","1") = "9"
    & skf18("8","7","8","5","10","6","1") = "9"
    & skf18("8","7","8","5","10","7","1") = "9"
    & skf18("8","7","8","5","10","8","1") = "9"
    & skf18("8","7","8","5","10","9","1") = "9"
    & skf18("8","7","8","5","10","10","1") = "9"
    & skf18("8","7","8","6","1","1","1") = "7"
    & skf18("8","7","8","6","1","2","1") = "7"
    & skf18("8","7","8","6","1","3","1") = "7"
    & skf18("8","7","8","6","1","4","1") = "7"
    & skf18("8","7","8","6","1","5","1") = "7"
    & skf18("8","7","8","6","1","6","1") = "7"
    & skf18("8","7","8","6","1","7","1") = "7"
    & skf18("8","7","8","6","1","8","1") = "7"
    & skf18("8","7","8","6","1","9","1") = "8"
    & skf18("8","7","8","6","1","10","1") = "9"
    & skf18("8","7","8","6","2","1","1") = "7"
    & skf18("8","7","8","6","2","2","1") = "7"
    & skf18("8","7","8","6","2","3","1") = "7"
    & skf18("8","7","8","6","2","4","1") = "7"
    & skf18("8","7","8","6","2","5","1") = "7"
    & skf18("8","7","8","6","2","6","1") = "7"
    & skf18("8","7","8","6","2","7","1") = "7"
    & skf18("8","7","8","6","2","8","1") = "7"
    & skf18("8","7","8","6","2","9","1") = "8"
    & skf18("8","7","8","6","2","10","1") = "9"
    & skf18("8","7","8","6","3","1","1") = "7"
    & skf18("8","7","8","6","3","2","1") = "7"
    & skf18("8","7","8","6","3","3","1") = "7"
    & skf18("8","7","8","6","3","4","1") = "7"
    & skf18("8","7","8","6","3","5","1") = "7"
    & skf18("8","7","8","6","3","6","1") = "7"
    & skf18("8","7","8","6","3","7","1") = "7"
    & skf18("8","7","8","6","3","8","1") = "7"
    & skf18("8","7","8","6","3","9","1") = "8"
    & skf18("8","7","8","6","3","10","1") = "9"
    & skf18("8","7","8","6","4","1","1") = "7"
    & skf18("8","7","8","6","4","2","1") = "7"
    & skf18("8","7","8","6","4","3","1") = "7"
    & skf18("8","7","8","6","4","4","1") = "7"
    & skf18("8","7","8","6","4","5","1") = "7"
    & skf18("8","7","8","6","4","6","1") = "7"
    & skf18("8","7","8","6","4","7","1") = "7"
    & skf18("8","7","8","6","4","8","1") = "7"
    & skf18("8","7","8","6","4","9","1") = "8"
    & skf18("8","7","8","6","4","10","1") = "9"
    & skf18("8","7","8","6","5","1","1") = "7"
    & skf18("8","7","8","6","5","2","1") = "7"
    & skf18("8","7","8","6","5","3","1") = "7"
    & skf18("8","7","8","6","5","4","1") = "7"
    & skf18("8","7","8","6","5","5","1") = "7"
    & skf18("8","7","8","6","5","6","1") = "7"
    & skf18("8","7","8","6","5","7","1") = "7"
    & skf18("8","7","8","6","5","8","1") = "7"
    & skf18("8","7","8","6","5","9","1") = "8"
    & skf18("8","7","8","6","5","10","1") = "9"
    & skf18("8","7","8","6","6","1","1") = "7"
    & skf18("8","7","8","6","6","2","1") = "7"
    & skf18("8","7","8","6","6","3","1") = "7"
    & skf18("8","7","8","6","6","4","1") = "7"
    & skf18("8","7","8","6","6","5","1") = "7"
    & skf18("8","7","8","6","6","6","1") = "7"
    & skf18("8","7","8","6","6","7","1") = "7"
    & skf18("8","7","8","6","6","8","1") = "7"
    & skf18("8","7","8","6","6","9","1") = "8"
    & skf18("8","7","8","6","6","10","1") = "9"
    & skf18("8","7","8","6","7","1","1") = "7"
    & skf18("8","7","8","6","7","2","1") = "7"
    & skf18("8","7","8","6","7","3","1") = "7"
    & skf18("8","7","8","6","7","4","1") = "7"
    & skf18("8","7","8","6","7","5","1") = "7"
    & skf18("8","7","8","6","7","6","1") = "7"
    & skf18("8","7","8","6","7","7","1") = "7"
    & skf18("8","7","8","6","7","8","1") = "7"
    & skf18("8","7","8","6","7","9","1") = "8"
    & skf18("8","7","8","6","7","10","1") = "9"
    & skf18("8","7","8","6","8","1","1") = "7"
    & skf18("8","7","8","6","8","2","1") = "7"
    & skf18("8","7","8","6","8","3","1") = "7"
    & skf18("8","7","8","6","8","4","1") = "7"
    & skf18("8","7","8","6","8","5","1") = "7"
    & skf18("8","7","8","6","8","6","1") = "7"
    & skf18("8","7","8","6","8","7","1") = "7"
    & skf18("8","7","8","6","8","8","1") = "7"
    & skf18("8","7","8","6","8","9","1") = "8"
    & skf18("8","7","8","6","8","10","1") = "9"
    & skf18("8","7","8","6","9","1","1") = "8"
    & skf18("8","7","8","6","9","2","1") = "8"
    & skf18("8","7","8","6","9","3","1") = "8"
    & skf18("8","7","8","6","9","4","1") = "8"
    & skf18("8","7","8","6","9","5","1") = "8"
    & skf18("8","7","8","6","9","6","1") = "8"
    & skf18("8","7","8","6","9","7","1") = "8"
    & skf18("8","7","8","6","9","8","1") = "8"
    & skf18("8","7","8","6","9","9","1") = "8"
    & skf18("8","7","8","6","9","10","1") = "9"
    & skf18("8","7","8","6","10","1","1") = "9"
    & skf18("8","7","8","6","10","2","1") = "9"
    & skf18("8","7","8","6","10","3","1") = "9"
    & skf18("8","7","8","6","10","4","1") = "9"
    & skf18("8","7","8","6","10","5","1") = "9"
    & skf18("8","7","8","6","10","6","1") = "9"
    & skf18("8","7","8","6","10","7","1") = "9"
    & skf18("8","7","8","6","10","8","1") = "9"
    & skf18("8","7","8","6","10","9","1") = "9"
    & skf18("8","7","8","6","10","10","1") = "9"
    & skf18("8","7","8","7","1","1","1") = "7"
    & skf18("8","7","8","7","1","2","1") = "7"
    & skf18("8","7","8","7","1","3","1") = "7"
    & skf18("8","7","8","7","1","4","1") = "7"
    & skf18("8","7","8","7","1","5","1") = "7"
    & skf18("8","7","8","7","1","6","1") = "7"
    & skf18("8","7","8","7","1","7","1") = "7"
    & skf18("8","7","8","7","1","8","1") = "7"
    & skf18("8","7","8","7","1","9","1") = "8"
    & skf18("8","7","8","7","1","10","1") = "9"
    & skf18("8","7","8","7","2","1","1") = "7"
    & skf18("8","7","8","7","2","2","1") = "7"
    & skf18("8","7","8","7","2","3","1") = "7"
    & skf18("8","7","8","7","2","4","1") = "7"
    & skf18("8","7","8","7","2","5","1") = "7"
    & skf18("8","7","8","7","2","6","1") = "7"
    & skf18("8","7","8","7","2","7","1") = "7"
    & skf18("8","7","8","7","2","8","1") = "7"
    & skf18("8","7","8","7","2","9","1") = "8"
    & skf18("8","7","8","7","2","10","1") = "9"
    & skf18("8","7","8","7","3","1","1") = "7"
    & skf18("8","7","8","7","3","2","1") = "7"
    & skf18("8","7","8","7","3","3","1") = "7"
    & skf18("8","7","8","7","3","4","1") = "7"
    & skf18("8","7","8","7","3","5","1") = "7"
    & skf18("8","7","8","7","3","6","1") = "7"
    & skf18("8","7","8","7","3","7","1") = "7"
    & skf18("8","7","8","7","3","8","1") = "7"
    & skf18("8","7","8","7","3","9","1") = "8"
    & skf18("8","7","8","7","3","10","1") = "9"
    & skf18("8","7","8","7","4","1","1") = "7"
    & skf18("8","7","8","7","4","2","1") = "7"
    & skf18("8","7","8","7","4","3","1") = "7"
    & skf18("8","7","8","7","4","4","1") = "7"
    & skf18("8","7","8","7","4","5","1") = "7"
    & skf18("8","7","8","7","4","6","1") = "7"
    & skf18("8","7","8","7","4","7","1") = "7"
    & skf18("8","7","8","7","4","8","1") = "7"
    & skf18("8","7","8","7","4","9","1") = "8"
    & skf18("8","7","8","7","4","10","1") = "9"
    & skf18("8","7","8","7","5","1","1") = "7"
    & skf18("8","7","8","7","5","2","1") = "7"
    & skf18("8","7","8","7","5","3","1") = "7"
    & skf18("8","7","8","7","5","4","1") = "7"
    & skf18("8","7","8","7","5","5","1") = "7"
    & skf18("8","7","8","7","5","6","1") = "7"
    & skf18("8","7","8","7","5","7","1") = "7"
    & skf18("8","7","8","7","5","8","1") = "7"
    & skf18("8","7","8","7","5","9","1") = "8"
    & skf18("8","7","8","7","5","10","1") = "9"
    & skf18("8","7","8","7","6","1","1") = "7"
    & skf18("8","7","8","7","6","2","1") = "7"
    & skf18("8","7","8","7","6","3","1") = "7"
    & skf18("8","7","8","7","6","4","1") = "7"
    & skf18("8","7","8","7","6","5","1") = "7"
    & skf18("8","7","8","7","6","6","1") = "7"
    & skf18("8","7","8","7","6","7","1") = "7"
    & skf18("8","7","8","7","6","8","1") = "7"
    & skf18("8","7","8","7","6","9","1") = "8"
    & skf18("8","7","8","7","6","10","1") = "9"
    & skf18("8","7","8","7","7","1","1") = "7"
    & skf18("8","7","8","7","7","2","1") = "7"
    & skf18("8","7","8","7","7","3","1") = "7"
    & skf18("8","7","8","7","7","4","1") = "7"
    & skf18("8","7","8","7","7","5","1") = "7"
    & skf18("8","7","8","7","7","6","1") = "7"
    & skf18("8","7","8","7","7","7","1") = "7"
    & skf18("8","7","8","7","7","8","1") = "7"
    & skf18("8","7","8","7","7","9","1") = "8"
    & skf18("8","7","8","7","7","10","1") = "9"
    & skf18("8","7","8","7","8","1","1") = "7"
    & skf18("8","7","8","7","8","2","1") = "7"
    & skf18("8","7","8","7","8","3","1") = "7"
    & skf18("8","7","8","7","8","4","1") = "7"
    & skf18("8","7","8","7","8","5","1") = "7"
    & skf18("8","7","8","7","8","6","1") = "7"
    & skf18("8","7","8","7","8","7","1") = "7"
    & skf18("8","7","8","7","8","8","1") = "7"
    & skf18("8","7","8","7","8","9","1") = "8"
    & skf18("8","7","8","7","8","10","1") = "9"
    & skf18("8","7","8","7","9","1","1") = "8"
    & skf18("8","7","8","7","9","2","1") = "8"
    & skf18("8","7","8","7","9","3","1") = "8"
    & skf18("8","7","8","7","9","4","1") = "8"
    & skf18("8","7","8","7","9","5","1") = "8"
    & skf18("8","7","8","7","9","6","1") = "8"
    & skf18("8","7","8","7","9","7","1") = "8"
    & skf18("8","7","8","7","9","8","1") = "8"
    & skf18("8","7","8","7","9","9","1") = "8"
    & skf18("8","7","8","7","9","10","1") = "9"
    & skf18("8","7","8","7","10","1","1") = "9"
    & skf18("8","7","8","7","10","2","1") = "9"
    & skf18("8","7","8","7","10","3","1") = "9"
    & skf18("8","7","8","7","10","4","1") = "9"
    & skf18("8","7","8","7","10","5","1") = "9"
    & skf18("8","7","8","7","10","6","1") = "9"
    & skf18("8","7","8","7","10","7","1") = "9"
    & skf18("8","7","8","7","10","8","1") = "9"
    & skf18("8","7","8","7","10","9","1") = "9"
    & skf18("8","7","8","7","10","10","1") = "9"
    & skf18("8","7","8","8","1","1","1") = "7"
    & skf18("8","7","8","8","1","2","1") = "7"
    & skf18("8","7","8","8","1","3","1") = "7"
    & skf18("8","7","8","8","1","4","1") = "7"
    & skf18("8","7","8","8","1","5","1") = "7"
    & skf18("8","7","8","8","1","6","1") = "7"
    & skf18("8","7","8","8","1","7","1") = "7"
    & skf18("8","7","8","8","1","8","1") = "7"
    & skf18("8","7","8","8","1","9","1") = "8"
    & skf18("8","7","8","8","1","10","1") = "9"
    & skf18("8","7","8","8","2","1","1") = "7"
    & skf18("8","7","8","8","2","2","1") = "7"
    & skf18("8","7","8","8","2","3","1") = "7"
    & skf18("8","7","8","8","2","4","1") = "7"
    & skf18("8","7","8","8","2","5","1") = "7"
    & skf18("8","7","8","8","2","6","1") = "7"
    & skf18("8","7","8","8","2","7","1") = "7"
    & skf18("8","7","8","8","2","8","1") = "7"
    & skf18("8","7","8","8","2","9","1") = "8"
    & skf18("8","7","8","8","2","10","1") = "9"
    & skf18("8","7","8","8","3","1","1") = "7"
    & skf18("8","7","8","8","3","2","1") = "7"
    & skf18("8","7","8","8","3","3","1") = "7"
    & skf18("8","7","8","8","3","4","1") = "7"
    & skf18("8","7","8","8","3","5","1") = "7"
    & skf18("8","7","8","8","3","6","1") = "7"
    & skf18("8","7","8","8","3","7","1") = "7"
    & skf18("8","7","8","8","3","8","1") = "7"
    & skf18("8","7","8","8","3","9","1") = "8"
    & skf18("8","7","8","8","3","10","1") = "9"
    & skf18("8","7","8","8","4","1","1") = "7"
    & skf18("8","7","8","8","4","2","1") = "7"
    & skf18("8","7","8","8","4","3","1") = "7"
    & skf18("8","7","8","8","4","4","1") = "7"
    & skf18("8","7","8","8","4","5","1") = "7"
    & skf18("8","7","8","8","4","6","1") = "7"
    & skf18("8","7","8","8","4","7","1") = "7"
    & skf18("8","7","8","8","4","8","1") = "7"
    & skf18("8","7","8","8","4","9","1") = "8"
    & skf18("8","7","8","8","4","10","1") = "9"
    & skf18("8","7","8","8","5","1","1") = "7"
    & skf18("8","7","8","8","5","2","1") = "7"
    & skf18("8","7","8","8","5","3","1") = "7"
    & skf18("8","7","8","8","5","4","1") = "7"
    & skf18("8","7","8","8","5","5","1") = "7"
    & skf18("8","7","8","8","5","6","1") = "7"
    & skf18("8","7","8","8","5","7","1") = "7"
    & skf18("8","7","8","8","5","8","1") = "7"
    & skf18("8","7","8","8","5","9","1") = "8"
    & skf18("8","7","8","8","5","10","1") = "9"
    & skf18("8","7","8","8","6","1","1") = "7"
    & skf18("8","7","8","8","6","2","1") = "7"
    & skf18("8","7","8","8","6","3","1") = "7"
    & skf18("8","7","8","8","6","4","1") = "7"
    & skf18("8","7","8","8","6","5","1") = "7"
    & skf18("8","7","8","8","6","6","1") = "7"
    & skf18("8","7","8","8","6","7","1") = "7"
    & skf18("8","7","8","8","6","8","1") = "7"
    & skf18("8","7","8","8","6","9","1") = "8"
    & skf18("8","7","8","8","6","10","1") = "9"
    & skf18("8","7","8","8","7","1","1") = "7"
    & skf18("8","7","8","8","7","2","1") = "7"
    & skf18("8","7","8","8","7","3","1") = "7"
    & skf18("8","7","8","8","7","4","1") = "7"
    & skf18("8","7","8","8","7","5","1") = "7"
    & skf18("8","7","8","8","7","6","1") = "7"
    & skf18("8","7","8","8","7","7","1") = "7"
    & skf18("8","7","8","8","7","8","1") = "7"
    & skf18("8","7","8","8","7","9","1") = "8"
    & skf18("8","7","8","8","7","10","1") = "9"
    & skf18("8","7","8","8","8","1","1") = "7"
    & skf18("8","7","8","8","8","2","1") = "7"
    & skf18("8","7","8","8","8","3","1") = "7"
    & skf18("8","7","8","8","8","4","1") = "7"
    & skf18("8","7","8","8","8","5","1") = "7"
    & skf18("8","7","8","8","8","6","1") = "7"
    & skf18("8","7","8","8","8","7","1") = "7"
    & skf18("8","7","8","8","8","8","1") = "7"
    & skf18("8","7","8","8","8","9","1") = "8"
    & skf18("8","7","8","8","8","10","1") = "9"
    & skf18("8","7","8","8","9","1","1") = "8"
    & skf18("8","7","8","8","9","2","1") = "8"
    & skf18("8","7","8","8","9","3","1") = "8"
    & skf18("8","7","8","8","9","4","1") = "8"
    & skf18("8","7","8","8","9","5","1") = "8"
    & skf18("8","7","8","8","9","6","1") = "8"
    & skf18("8","7","8","8","9","7","1") = "8"
    & skf18("8","7","8","8","9","8","1") = "8"
    & skf18("8","7","8","8","9","9","1") = "8"
    & skf18("8","7","8","8","9","10","1") = "9"
    & skf18("8","7","8","8","10","1","1") = "9"
    & skf18("8","7","8","8","10","2","1") = "9"
    & skf18("8","7","8","8","10","3","1") = "9"
    & skf18("8","7","8","8","10","4","1") = "9"
    & skf18("8","7","8","8","10","5","1") = "9"
    & skf18("8","7","8","8","10","6","1") = "9"
    & skf18("8","7","8","8","10","7","1") = "9"
    & skf18("8","7","8","8","10","8","1") = "9"
    & skf18("8","7","8","8","10","9","1") = "9"
    & skf18("8","7","8","8","10","10","1") = "9"
    & skf18("8","7","8","9","1","1","1") = "8"
    & skf18("8","7","8","9","1","2","1") = "8"
    & skf18("8","7","8","9","1","3","1") = "8"
    & skf18("8","7","8","9","1","4","1") = "8"
    & skf18("8","7","8","9","1","5","1") = "8"
    & skf18("8","7","8","9","1","6","1") = "8"
    & skf18("8","7","8","9","1","7","1") = "8"
    & skf18("8","7","8","9","1","8","1") = "8"
    & skf18("8","7","8","9","1","9","1") = "8"
    & skf18("8","7","8","9","1","10","1") = "9"
    & skf18("8","7","8","9","2","1","1") = "8"
    & skf18("8","7","8","9","2","2","1") = "8"
    & skf18("8","7","8","9","2","3","1") = "8"
    & skf18("8","7","8","9","2","4","1") = "8"
    & skf18("8","7","8","9","2","5","1") = "8"
    & skf18("8","7","8","9","2","6","1") = "8"
    & skf18("8","7","8","9","2","7","1") = "8"
    & skf18("8","7","8","9","2","8","1") = "8"
    & skf18("8","7","8","9","2","9","1") = "8"
    & skf18("8","7","8","9","2","10","1") = "9"
    & skf18("8","7","8","9","3","1","1") = "8"
    & skf18("8","7","8","9","3","2","1") = "8"
    & skf18("8","7","8","9","3","3","1") = "8"
    & skf18("8","7","8","9","3","4","1") = "8"
    & skf18("8","7","8","9","3","5","1") = "8"
    & skf18("8","7","8","9","3","6","1") = "8"
    & skf18("8","7","8","9","3","7","1") = "8"
    & skf18("8","7","8","9","3","8","1") = "8"
    & skf18("8","7","8","9","3","9","1") = "8"
    & skf18("8","7","8","9","3","10","1") = "9"
    & skf18("8","7","8","9","4","1","1") = "8"
    & skf18("8","7","8","9","4","2","1") = "8"
    & skf18("8","7","8","9","4","3","1") = "8"
    & skf18("8","7","8","9","4","4","1") = "8"
    & skf18("8","7","8","9","4","5","1") = "8"
    & skf18("8","7","8","9","4","6","1") = "8"
    & skf18("8","7","8","9","4","7","1") = "8"
    & skf18("8","7","8","9","4","8","1") = "8"
    & skf18("8","7","8","9","4","9","1") = "8"
    & skf18("8","7","8","9","4","10","1") = "9"
    & skf18("8","7","8","9","5","1","1") = "8"
    & skf18("8","7","8","9","5","2","1") = "8"
    & skf18("8","7","8","9","5","3","1") = "8"
    & skf18("8","7","8","9","5","4","1") = "8"
    & skf18("8","7","8","9","5","5","1") = "8"
    & skf18("8","7","8","9","5","6","1") = "8"
    & skf18("8","7","8","9","5","7","1") = "8"
    & skf18("8","7","8","9","5","8","1") = "8"
    & skf18("8","7","8","9","5","9","1") = "8"
    & skf18("8","7","8","9","5","10","1") = "9"
    & skf18("8","7","8","9","6","1","1") = "8"
    & skf18("8","7","8","9","6","2","1") = "8"
    & skf18("8","7","8","9","6","3","1") = "8"
    & skf18("8","7","8","9","6","4","1") = "8"
    & skf18("8","7","8","9","6","5","1") = "8"
    & skf18("8","7","8","9","6","6","1") = "8"
    & skf18("8","7","8","9","6","7","1") = "8"
    & skf18("8","7","8","9","6","8","1") = "8"
    & skf18("8","7","8","9","6","9","1") = "8"
    & skf18("8","7","8","9","6","10","1") = "9"
    & skf18("8","7","8","9","7","1","1") = "8"
    & skf18("8","7","8","9","7","2","1") = "8"
    & skf18("8","7","8","9","7","3","1") = "8"
    & skf18("8","7","8","9","7","4","1") = "8"
    & skf18("8","7","8","9","7","5","1") = "8"
    & skf18("8","7","8","9","7","6","1") = "8"
    & skf18("8","7","8","9","7","7","1") = "8"
    & skf18("8","7","8","9","7","8","1") = "8"
    & skf18("8","7","8","9","7","9","1") = "8"
    & skf18("8","7","8","9","7","10","1") = "9"
    & skf18("8","7","8","9","8","1","1") = "8"
    & skf18("8","7","8","9","8","2","1") = "8"
    & skf18("8","7","8","9","8","3","1") = "8"
    & skf18("8","7","8","9","8","4","1") = "8"
    & skf18("8","7","8","9","8","5","1") = "8"
    & skf18("8","7","8","9","8","6","1") = "8"
    & skf18("8","7","8","9","8","7","1") = "8"
    & skf18("8","7","8","9","8","8","1") = "8"
    & skf18("8","7","8","9","8","9","1") = "8"
    & skf18("8","7","8","9","8","10","1") = "9"
    & skf18("8","7","8","9","9","1","1") = "8"
    & skf18("8","7","8","9","9","2","1") = "8"
    & skf18("8","7","8","9","9","3","1") = "8"
    & skf18("8","7","8","9","9","4","1") = "8"
    & skf18("8","7","8","9","9","5","1") = "8"
    & skf18("8","7","8","9","9","6","1") = "8"
    & skf18("8","7","8","9","9","7","1") = "8"
    & skf18("8","7","8","9","9","8","1") = "8"
    & skf18("8","7","8","9","9","9","1") = "8"
    & skf18("8","7","8","9","9","10","1") = "9"
    & skf18("8","7","8","9","10","1","1") = "9"
    & skf18("8","7","8","9","10","2","1") = "9"
    & skf18("8","7","8","9","10","3","1") = "9"
    & skf18("8","7","8","9","10","4","1") = "9"
    & skf18("8","7","8","9","10","5","1") = "9"
    & skf18("8","7","8","9","10","6","1") = "9"
    & skf18("8","7","8","9","10","7","1") = "9"
    & skf18("8","7","8","9","10","8","1") = "9"
    & skf18("8","7","8","9","10","9","1") = "9"
    & skf18("8","7","8","9","10","10","1") = "9"
    & skf18("8","7","8","10","1","1","1") = "9"
    & skf18("8","7","8","10","1","2","1") = "9"
    & skf18("8","7","8","10","1","3","1") = "9"
    & skf18("8","7","8","10","1","4","1") = "9"
    & skf18("8","7","8","10","1","5","1") = "9"
    & skf18("8","7","8","10","1","6","1") = "9"
    & skf18("8","7","8","10","1","7","1") = "9"
    & skf18("8","7","8","10","1","8","1") = "9"
    & skf18("8","7","8","10","1","9","1") = "9"
    & skf18("8","7","8","10","1","10","1") = "9"
    & skf18("8","7","8","10","2","1","1") = "9"
    & skf18("8","7","8","10","2","2","1") = "9"
    & skf18("8","7","8","10","2","3","1") = "9"
    & skf18("8","7","8","10","2","4","1") = "9"
    & skf18("8","7","8","10","2","5","1") = "9"
    & skf18("8","7","8","10","2","6","1") = "9"
    & skf18("8","7","8","10","2","7","1") = "9"
    & skf18("8","7","8","10","2","8","1") = "9"
    & skf18("8","7","8","10","2","9","1") = "9"
    & skf18("8","7","8","10","2","10","1") = "9"
    & skf18("8","7","8","10","3","1","1") = "9"
    & skf18("8","7","8","10","3","2","1") = "9"
    & skf18("8","7","8","10","3","3","1") = "9"
    & skf18("8","7","8","10","3","4","1") = "9"
    & skf18("8","7","8","10","3","5","1") = "9"
    & skf18("8","7","8","10","3","6","1") = "9"
    & skf18("8","7","8","10","3","7","1") = "9"
    & skf18("8","7","8","10","3","8","1") = "9"
    & skf18("8","7","8","10","3","9","1") = "9"
    & skf18("8","7","8","10","3","10","1") = "9"
    & skf18("8","7","8","10","4","1","1") = "9"
    & skf18("8","7","8","10","4","2","1") = "9"
    & skf18("8","7","8","10","4","3","1") = "9"
    & skf18("8","7","8","10","4","4","1") = "9"
    & skf18("8","7","8","10","4","5","1") = "9"
    & skf18("8","7","8","10","4","6","1") = "9"
    & skf18("8","7","8","10","4","7","1") = "9"
    & skf18("8","7","8","10","4","8","1") = "9"
    & skf18("8","7","8","10","4","9","1") = "9"
    & skf18("8","7","8","10","4","10","1") = "9"
    & skf18("8","7","8","10","5","1","1") = "9"
    & skf18("8","7","8","10","5","2","1") = "9"
    & skf18("8","7","8","10","5","3","1") = "9"
    & skf18("8","7","8","10","5","4","1") = "9"
    & skf18("8","7","8","10","5","5","1") = "9"
    & skf18("8","7","8","10","5","6","1") = "9"
    & skf18("8","7","8","10","5","7","1") = "9"
    & skf18("8","7","8","10","5","8","1") = "9"
    & skf18("8","7","8","10","5","9","1") = "9"
    & skf18("8","7","8","10","5","10","1") = "9"
    & skf18("8","7","8","10","6","1","1") = "9"
    & skf18("8","7","8","10","6","2","1") = "9"
    & skf18("8","7","8","10","6","3","1") = "9"
    & skf18("8","7","8","10","6","4","1") = "9"
    & skf18("8","7","8","10","6","5","1") = "9"
    & skf18("8","7","8","10","6","6","1") = "9"
    & skf18("8","7","8","10","6","7","1") = "9"
    & skf18("8","7","8","10","6","8","1") = "9"
    & skf18("8","7","8","10","6","9","1") = "9"
    & skf18("8","7","8","10","6","10","1") = "9"
    & skf18("8","7","8","10","7","1","1") = "9"
    & skf18("8","7","8","10","7","2","1") = "9"
    & skf18("8","7","8","10","7","3","1") = "9"
    & skf18("8","7","8","10","7","4","1") = "9"
    & skf18("8","7","8","10","7","5","1") = "9"
    & skf18("8","7","8","10","7","6","1") = "9"
    & skf18("8","7","8","10","7","7","1") = "9"
    & skf18("8","7","8","10","7","8","1") = "9"
    & skf18("8","7","8","10","7","9","1") = "9"
    & skf18("8","7","8","10","7","10","1") = "9"
    & skf18("8","7","8","10","8","1","1") = "9"
    & skf18("8","7","8","10","8","2","1") = "9"
    & skf18("8","7","8","10","8","3","1") = "9"
    & skf18("8","7","8","10","8","4","1") = "9"
    & skf18("8","7","8","10","8","5","1") = "9"
    & skf18("8","7","8","10","8","6","1") = "9"
    & skf18("8","7","8","10","8","7","1") = "9"
    & skf18("8","7","8","10","8","8","1") = "9"
    & skf18("8","7","8","10","8","9","1") = "9"
    & skf18("8","7","8","10","8","10","1") = "9"
    & skf18("8","7","8","10","9","1","1") = "9"
    & skf18("8","7","8","10","9","2","1") = "9"
    & skf18("8","7","8","10","9","3","1") = "9"
    & skf18("8","7","8","10","9","4","1") = "9"
    & skf18("8","7","8","10","9","5","1") = "9"
    & skf18("8","7","8","10","9","6","1") = "9"
    & skf18("8","7","8","10","9","7","1") = "9"
    & skf18("8","7","8","10","9","8","1") = "9"
    & skf18("8","7","8","10","9","9","1") = "9"
    & skf18("8","7","8","10","9","10","1") = "9"
    & skf18("8","7","8","10","10","1","1") = "9"
    & skf18("8","7","8","10","10","2","1") = "9"
    & skf18("8","7","8","10","10","3","1") = "9"
    & skf18("8","7","8","10","10","4","1") = "9"
    & skf18("8","7","8","10","10","5","1") = "9"
    & skf18("8","7","8","10","10","6","1") = "9"
    & skf18("8","7","8","10","10","7","1") = "9"
    & skf18("8","7","8","10","10","8","1") = "9"
    & skf18("8","7","8","10","10","9","1") = "9"
    & skf18("8","7","8","10","10","10","1") = "9"
    & skf18("8","7","9","1","1","1","1") = "8"
    & skf18("8","7","9","1","1","2","1") = "8"
    & skf18("8","7","9","1","1","3","1") = "8"
    & skf18("8","7","9","1","1","4","1") = "8"
    & skf18("8","7","9","1","1","5","1") = "8"
    & skf18("8","7","9","1","1","6","1") = "8"
    & skf18("8","7","9","1","1","7","1") = "8"
    & skf18("8","7","9","1","1","8","1") = "8"
    & skf18("8","7","9","1","1","9","1") = "8"
    & skf18("8","7","9","1","1","10","1") = "9"
    & skf18("8","7","9","1","2","1","1") = "8"
    & skf18("8","7","9","1","2","2","1") = "8"
    & skf18("8","7","9","1","2","3","1") = "8"
    & skf18("8","7","9","1","2","4","1") = "8"
    & skf18("8","7","9","1","2","5","1") = "8"
    & skf18("8","7","9","1","2","6","1") = "8"
    & skf18("8","7","9","1","2","7","1") = "8"
    & skf18("8","7","9","1","2","8","1") = "8"
    & skf18("8","7","9","1","2","9","1") = "8"
    & skf18("8","7","9","1","2","10","1") = "9"
    & skf18("8","7","9","1","3","1","1") = "8"
    & skf18("8","7","9","1","3","2","1") = "8"
    & skf18("8","7","9","1","3","3","1") = "8"
    & skf18("8","7","9","1","3","4","1") = "8"
    & skf18("8","7","9","1","3","5","1") = "8"
    & skf18("8","7","9","1","3","6","1") = "8"
    & skf18("8","7","9","1","3","7","1") = "8"
    & skf18("8","7","9","1","3","8","1") = "8"
    & skf18("8","7","9","1","3","9","1") = "8"
    & skf18("8","7","9","1","3","10","1") = "9"
    & skf18("8","7","9","1","4","1","1") = "8"
    & skf18("8","7","9","1","4","2","1") = "8"
    & skf18("8","7","9","1","4","3","1") = "8"
    & skf18("8","7","9","1","4","4","1") = "8"
    & skf18("8","7","9","1","4","5","1") = "8"
    & skf18("8","7","9","1","4","6","1") = "8"
    & skf18("8","7","9","1","4","7","1") = "8"
    & skf18("8","7","9","1","4","8","1") = "8"
    & skf18("8","7","9","1","4","9","1") = "8"
    & skf18("8","7","9","1","4","10","1") = "9"
    & skf18("8","7","9","1","5","1","1") = "8"
    & skf18("8","7","9","1","5","2","1") = "8"
    & skf18("8","7","9","1","5","3","1") = "8"
    & skf18("8","7","9","1","5","4","1") = "8"
    & skf18("8","7","9","1","5","5","1") = "8"
    & skf18("8","7","9","1","5","6","1") = "8"
    & skf18("8","7","9","1","5","7","1") = "8"
    & skf18("8","7","9","1","5","8","1") = "8"
    & skf18("8","7","9","1","5","9","1") = "8"
    & skf18("8","7","9","1","5","10","1") = "9"
    & skf18("8","7","9","1","6","1","1") = "8"
    & skf18("8","7","9","1","6","2","1") = "8"
    & skf18("8","7","9","1","6","3","1") = "8"
    & skf18("8","7","9","1","6","4","1") = "8"
    & skf18("8","7","9","1","6","5","1") = "8"
    & skf18("8","7","9","1","6","6","1") = "8"
    & skf18("8","7","9","1","6","7","1") = "8"
    & skf18("8","7","9","1","6","8","1") = "8"
    & skf18("8","7","9","1","6","9","1") = "8"
    & skf18("8","7","9","1","6","10","1") = "9"
    & skf18("8","7","9","1","7","1","1") = "8"
    & skf18("8","7","9","1","7","2","1") = "8"
    & skf18("8","7","9","1","7","3","1") = "8"
    & skf18("8","7","9","1","7","4","1") = "8"
    & skf18("8","7","9","1","7","5","1") = "8"
    & skf18("8","7","9","1","7","6","1") = "8"
    & skf18("8","7","9","1","7","7","1") = "8"
    & skf18("8","7","9","1","7","8","1") = "8"
    & skf18("8","7","9","1","7","9","1") = "8"
    & skf18("8","7","9","1","7","10","1") = "9"
    & skf18("8","7","9","1","8","1","1") = "8"
    & skf18("8","7","9","1","8","2","1") = "8"
    & skf18("8","7","9","1","8","3","1") = "8"
    & skf18("8","7","9","1","8","4","1") = "8"
    & skf18("8","7","9","1","8","5","1") = "8"
    & skf18("8","7","9","1","8","6","1") = "8"
    & skf18("8","7","9","1","8","7","1") = "8"
    & skf18("8","7","9","1","8","8","1") = "8"
    & skf18("8","7","9","1","8","9","1") = "8"
    & skf18("8","7","9","1","8","10","1") = "9"
    & skf18("8","7","9","1","9","1","1") = "8"
    & skf18("8","7","9","1","9","2","1") = "8"
    & skf18("8","7","9","1","9","3","1") = "8"
    & skf18("8","7","9","1","9","4","1") = "8"
    & skf18("8","7","9","1","9","5","1") = "8"
    & skf18("8","7","9","1","9","6","1") = "8"
    & skf18("8","7","9","1","9","7","1") = "8"
    & skf18("8","7","9","1","9","8","1") = "8"
    & skf18("8","7","9","1","9","9","1") = "8"
    & skf18("8","7","9","1","9","10","1") = "9"
    & skf18("8","7","9","1","10","1","1") = "9"
    & skf18("8","7","9","1","10","2","1") = "9"
    & skf18("8","7","9","1","10","3","1") = "9"
    & skf18("8","7","9","1","10","4","1") = "9"
    & skf18("8","7","9","1","10","5","1") = "9"
    & skf18("8","7","9","1","10","6","1") = "9"
    & skf18("8","7","9","1","10","7","1") = "9"
    & skf18("8","7","9","1","10","8","1") = "9"
    & skf18("8","7","9","1","10","9","1") = "9"
    & skf18("8","7","9","1","10","10","1") = "9"
    & skf18("8","7","9","2","1","1","1") = "8"
    & skf18("8","7","9","2","1","2","1") = "8"
    & skf18("8","7","9","2","1","3","1") = "8"
    & skf18("8","7","9","2","1","4","1") = "8"
    & skf18("8","7","9","2","1","5","1") = "8"
    & skf18("8","7","9","2","1","6","1") = "8"
    & skf18("8","7","9","2","1","7","1") = "8"
    & skf18("8","7","9","2","1","8","1") = "8"
    & skf18("8","7","9","2","1","9","1") = "8"
    & skf18("8","7","9","2","1","10","1") = "9"
    & skf18("8","7","9","2","2","1","1") = "8"
    & skf18("8","7","9","2","2","2","1") = "8"
    & skf18("8","7","9","2","2","3","1") = "8"
    & skf18("8","7","9","2","2","4","1") = "8"
    & skf18("8","7","9","2","2","5","1") = "8"
    & skf18("8","7","9","2","2","6","1") = "8"
    & skf18("8","7","9","2","2","7","1") = "8"
    & skf18("8","7","9","2","2","8","1") = "8"
    & skf18("8","7","9","2","2","9","1") = "8"
    & skf18("8","7","9","2","2","10","1") = "9"
    & skf18("8","7","9","2","3","1","1") = "8"
    & skf18("8","7","9","2","3","2","1") = "8"
    & skf18("8","7","9","2","3","3","1") = "8"
    & skf18("8","7","9","2","3","4","1") = "8"
    & skf18("8","7","9","2","3","5","1") = "8"
    & skf18("8","7","9","2","3","6","1") = "8"
    & skf18("8","7","9","2","3","7","1") = "8"
    & skf18("8","7","9","2","3","8","1") = "8"
    & skf18("8","7","9","2","3","9","1") = "8"
    & skf18("8","7","9","2","3","10","1") = "9"
    & skf18("8","7","9","2","4","1","1") = "8"
    & skf18("8","7","9","2","4","2","1") = "8"
    & skf18("8","7","9","2","4","3","1") = "8"
    & skf18("8","7","9","2","4","4","1") = "8"
    & skf18("8","7","9","2","4","5","1") = "8"
    & skf18("8","7","9","2","4","6","1") = "8"
    & skf18("8","7","9","2","4","7","1") = "8"
    & skf18("8","7","9","2","4","8","1") = "8"
    & skf18("8","7","9","2","4","9","1") = "8"
    & skf18("8","7","9","2","4","10","1") = "9"
    & skf18("8","7","9","2","5","1","1") = "8"
    & skf18("8","7","9","2","5","2","1") = "8"
    & skf18("8","7","9","2","5","3","1") = "8"
    & skf18("8","7","9","2","5","4","1") = "8"
    & skf18("8","7","9","2","5","5","1") = "8"
    & skf18("8","7","9","2","5","6","1") = "8"
    & skf18("8","7","9","2","5","7","1") = "8"
    & skf18("8","7","9","2","5","8","1") = "8"
    & skf18("8","7","9","2","5","9","1") = "8"
    & skf18("8","7","9","2","5","10","1") = "9"
    & skf18("8","7","9","2","6","1","1") = "8"
    & skf18("8","7","9","2","6","2","1") = "8"
    & skf18("8","7","9","2","6","3","1") = "8"
    & skf18("8","7","9","2","6","4","1") = "8"
    & skf18("8","7","9","2","6","5","1") = "8"
    & skf18("8","7","9","2","6","6","1") = "8"
    & skf18("8","7","9","2","6","7","1") = "8"
    & skf18("8","7","9","2","6","8","1") = "8"
    & skf18("8","7","9","2","6","9","1") = "8"
    & skf18("8","7","9","2","6","10","1") = "9"
    & skf18("8","7","9","2","7","1","1") = "8"
    & skf18("8","7","9","2","7","2","1") = "8"
    & skf18("8","7","9","2","7","3","1") = "8"
    & skf18("8","7","9","2","7","4","1") = "8"
    & skf18("8","7","9","2","7","5","1") = "8"
    & skf18("8","7","9","2","7","6","1") = "8"
    & skf18("8","7","9","2","7","7","1") = "8"
    & skf18("8","7","9","2","7","8","1") = "8"
    & skf18("8","7","9","2","7","9","1") = "8"
    & skf18("8","7","9","2","7","10","1") = "9"
    & skf18("8","7","9","2","8","1","1") = "8"
    & skf18("8","7","9","2","8","2","1") = "8"
    & skf18("8","7","9","2","8","3","1") = "8"
    & skf18("8","7","9","2","8","4","1") = "8"
    & skf18("8","7","9","2","8","5","1") = "8"
    & skf18("8","7","9","2","8","6","1") = "8"
    & skf18("8","7","9","2","8","7","1") = "8"
    & skf18("8","7","9","2","8","8","1") = "8"
    & skf18("8","7","9","2","8","9","1") = "8"
    & skf18("8","7","9","2","8","10","1") = "9"
    & skf18("8","7","9","2","9","1","1") = "8"
    & skf18("8","7","9","2","9","2","1") = "8"
    & skf18("8","7","9","2","9","3","1") = "8"
    & skf18("8","7","9","2","9","4","1") = "8"
    & skf18("8","7","9","2","9","5","1") = "8"
    & skf18("8","7","9","2","9","6","1") = "8"
    & skf18("8","7","9","2","9","7","1") = "8"
    & skf18("8","7","9","2","9","8","1") = "8"
    & skf18("8","7","9","2","9","9","1") = "8"
    & skf18("8","7","9","2","9","10","1") = "9"
    & skf18("8","7","9","2","10","1","1") = "9"
    & skf18("8","7","9","2","10","2","1") = "9"
    & skf18("8","7","9","2","10","3","1") = "9"
    & skf18("8","7","9","2","10","4","1") = "9"
    & skf18("8","7","9","2","10","5","1") = "9"
    & skf18("8","7","9","2","10","6","1") = "9"
    & skf18("8","7","9","2","10","7","1") = "9"
    & skf18("8","7","9","2","10","8","1") = "9"
    & skf18("8","7","9","2","10","9","1") = "9"
    & skf18("8","7","9","2","10","10","1") = "9"
    & skf18("8","7","9","3","1","1","1") = "8"
    & skf18("8","7","9","3","1","2","1") = "8"
    & skf18("8","7","9","3","1","3","1") = "8"
    & skf18("8","7","9","3","1","4","1") = "8"
    & skf18("8","7","9","3","1","5","1") = "8"
    & skf18("8","7","9","3","1","6","1") = "8"
    & skf18("8","7","9","3","1","7","1") = "8"
    & skf18("8","7","9","3","1","8","1") = "8"
    & skf18("8","7","9","3","1","9","1") = "8"
    & skf18("8","7","9","3","1","10","1") = "9"
    & skf18("8","7","9","3","2","1","1") = "8"
    & skf18("8","7","9","3","2","2","1") = "8"
    & skf18("8","7","9","3","2","3","1") = "8"
    & skf18("8","7","9","3","2","4","1") = "8"
    & skf18("8","7","9","3","2","5","1") = "8"
    & skf18("8","7","9","3","2","6","1") = "8"
    & skf18("8","7","9","3","2","7","1") = "8"
    & skf18("8","7","9","3","2","8","1") = "8"
    & skf18("8","7","9","3","2","9","1") = "8"
    & skf18("8","7","9","3","2","10","1") = "9"
    & skf18("8","7","9","3","3","1","1") = "8"
    & skf18("8","7","9","3","3","2","1") = "8"
    & skf18("8","7","9","3","3","3","1") = "8"
    & skf18("8","7","9","3","3","4","1") = "8"
    & skf18("8","7","9","3","3","5","1") = "8"
    & skf18("8","7","9","3","3","6","1") = "8"
    & skf18("8","7","9","3","3","7","1") = "8"
    & skf18("8","7","9","3","3","8","1") = "8"
    & skf18("8","7","9","3","3","9","1") = "8"
    & skf18("8","7","9","3","3","10","1") = "9"
    & skf18("8","7","9","3","4","1","1") = "8"
    & skf18("8","7","9","3","4","2","1") = "8"
    & skf18("8","7","9","3","4","3","1") = "8"
    & skf18("8","7","9","3","4","4","1") = "8"
    & skf18("8","7","9","3","4","5","1") = "8"
    & skf18("8","7","9","3","4","6","1") = "8"
    & skf18("8","7","9","3","4","7","1") = "8"
    & skf18("8","7","9","3","4","8","1") = "8"
    & skf18("8","7","9","3","4","9","1") = "8"
    & skf18("8","7","9","3","4","10","1") = "9"
    & skf18("8","7","9","3","5","1","1") = "8"
    & skf18("8","7","9","3","5","2","1") = "8"
    & skf18("8","7","9","3","5","3","1") = "8"
    & skf18("8","7","9","3","5","4","1") = "8"
    & skf18("8","7","9","3","5","5","1") = "8"
    & skf18("8","7","9","3","5","6","1") = "8"
    & skf18("8","7","9","3","5","7","1") = "8"
    & skf18("8","7","9","3","5","8","1") = "8"
    & skf18("8","7","9","3","5","9","1") = "8"
    & skf18("8","7","9","3","5","10","1") = "9"
    & skf18("8","7","9","3","6","1","1") = "8"
    & skf18("8","7","9","3","6","2","1") = "8"
    & skf18("8","7","9","3","6","3","1") = "8"
    & skf18("8","7","9","3","6","4","1") = "8"
    & skf18("8","7","9","3","6","5","1") = "8"
    & skf18("8","7","9","3","6","6","1") = "8"
    & skf18("8","7","9","3","6","7","1") = "8"
    & skf18("8","7","9","3","6","8","1") = "8"
    & skf18("8","7","9","3","6","9","1") = "8"
    & skf18("8","7","9","3","6","10","1") = "9"
    & skf18("8","7","9","3","7","1","1") = "8"
    & skf18("8","7","9","3","7","2","1") = "8"
    & skf18("8","7","9","3","7","3","1") = "8"
    & skf18("8","7","9","3","7","4","1") = "8"
    & skf18("8","7","9","3","7","5","1") = "8"
    & skf18("8","7","9","3","7","6","1") = "8"
    & skf18("8","7","9","3","7","7","1") = "8"
    & skf18("8","7","9","3","7","8","1") = "8"
    & skf18("8","7","9","3","7","9","1") = "8"
    & skf18("8","7","9","3","7","10","1") = "9"
    & skf18("8","7","9","3","8","1","1") = "8"
    & skf18("8","7","9","3","8","2","1") = "8"
    & skf18("8","7","9","3","8","3","1") = "8"
    & skf18("8","7","9","3","8","4","1") = "8"
    & skf18("8","7","9","3","8","5","1") = "8"
    & skf18("8","7","9","3","8","6","1") = "8"
    & skf18("8","7","9","3","8","7","1") = "8"
    & skf18("8","7","9","3","8","8","1") = "8"
    & skf18("8","7","9","3","8","9","1") = "8"
    & skf18("8","7","9","3","8","10","1") = "9"
    & skf18("8","7","9","3","9","1","1") = "8"
    & skf18("8","7","9","3","9","2","1") = "8"
    & skf18("8","7","9","3","9","3","1") = "8"
    & skf18("8","7","9","3","9","4","1") = "8"
    & skf18("8","7","9","3","9","5","1") = "8"
    & skf18("8","7","9","3","9","6","1") = "8"
    & skf18("8","7","9","3","9","7","1") = "8"
    & skf18("8","7","9","3","9","8","1") = "8"
    & skf18("8","7","9","3","9","9","1") = "8"
    & skf18("8","7","9","3","9","10","1") = "9"
    & skf18("8","7","9","3","10","1","1") = "9"
    & skf18("8","7","9","3","10","2","1") = "9"
    & skf18("8","7","9","3","10","3","1") = "9"
    & skf18("8","7","9","3","10","4","1") = "9"
    & skf18("8","7","9","3","10","5","1") = "9"
    & skf18("8","7","9","3","10","6","1") = "9"
    & skf18("8","7","9","3","10","7","1") = "9"
    & skf18("8","7","9","3","10","8","1") = "9"
    & skf18("8","7","9","3","10","9","1") = "9"
    & skf18("8","7","9","3","10","10","1") = "9"
    & skf18("8","7","9","4","1","1","1") = "8"
    & skf18("8","7","9","4","1","2","1") = "8"
    & skf18("8","7","9","4","1","3","1") = "8"
    & skf18("8","7","9","4","1","4","1") = "8"
    & skf18("8","7","9","4","1","5","1") = "8"
    & skf18("8","7","9","4","1","6","1") = "8"
    & skf18("8","7","9","4","1","7","1") = "8"
    & skf18("8","7","9","4","1","8","1") = "8"
    & skf18("8","7","9","4","1","9","1") = "8"
    & skf18("8","7","9","4","1","10","1") = "9"
    & skf18("8","7","9","4","2","1","1") = "8"
    & skf18("8","7","9","4","2","2","1") = "8"
    & skf18("8","7","9","4","2","3","1") = "8"
    & skf18("8","7","9","4","2","4","1") = "8"
    & skf18("8","7","9","4","2","5","1") = "8"
    & skf18("8","7","9","4","2","6","1") = "8"
    & skf18("8","7","9","4","2","7","1") = "8"
    & skf18("8","7","9","4","2","8","1") = "8"
    & skf18("8","7","9","4","2","9","1") = "8"
    & skf18("8","7","9","4","2","10","1") = "9"
    & skf18("8","7","9","4","3","1","1") = "8"
    & skf18("8","7","9","4","3","2","1") = "8"
    & skf18("8","7","9","4","3","3","1") = "8"
    & skf18("8","7","9","4","3","4","1") = "8"
    & skf18("8","7","9","4","3","5","1") = "8"
    & skf18("8","7","9","4","3","6","1") = "8"
    & skf18("8","7","9","4","3","7","1") = "8"
    & skf18("8","7","9","4","3","8","1") = "8"
    & skf18("8","7","9","4","3","9","1") = "8"
    & skf18("8","7","9","4","3","10","1") = "9"
    & skf18("8","7","9","4","4","1","1") = "8"
    & skf18("8","7","9","4","4","2","1") = "8"
    & skf18("8","7","9","4","4","3","1") = "8"
    & skf18("8","7","9","4","4","4","1") = "8"
    & skf18("8","7","9","4","4","5","1") = "8"
    & skf18("8","7","9","4","4","6","1") = "8"
    & skf18("8","7","9","4","4","7","1") = "8"
    & skf18("8","7","9","4","4","8","1") = "8"
    & skf18("8","7","9","4","4","9","1") = "8"
    & skf18("8","7","9","4","4","10","1") = "9"
    & skf18("8","7","9","4","5","1","1") = "8"
    & skf18("8","7","9","4","5","2","1") = "8"
    & skf18("8","7","9","4","5","3","1") = "8"
    & skf18("8","7","9","4","5","4","1") = "8"
    & skf18("8","7","9","4","5","5","1") = "8"
    & skf18("8","7","9","4","5","6","1") = "8"
    & skf18("8","7","9","4","5","7","1") = "8"
    & skf18("8","7","9","4","5","8","1") = "8"
    & skf18("8","7","9","4","5","9","1") = "8"
    & skf18("8","7","9","4","5","10","1") = "9"
    & skf18("8","7","9","4","6","1","1") = "8"
    & skf18("8","7","9","4","6","2","1") = "8"
    & skf18("8","7","9","4","6","3","1") = "8"
    & skf18("8","7","9","4","6","4","1") = "8"
    & skf18("8","7","9","4","6","5","1") = "8"
    & skf18("8","7","9","4","6","6","1") = "8"
    & skf18("8","7","9","4","6","7","1") = "8"
    & skf18("8","7","9","4","6","8","1") = "8"
    & skf18("8","7","9","4","6","9","1") = "8"
    & skf18("8","7","9","4","6","10","1") = "9"
    & skf18("8","7","9","4","7","1","1") = "8"
    & skf18("8","7","9","4","7","2","1") = "8"
    & skf18("8","7","9","4","7","3","1") = "8"
    & skf18("8","7","9","4","7","4","1") = "8"
    & skf18("8","7","9","4","7","5","1") = "8"
    & skf18("8","7","9","4","7","6","1") = "8"
    & skf18("8","7","9","4","7","7","1") = "8"
    & skf18("8","7","9","4","7","8","1") = "8"
    & skf18("8","7","9","4","7","9","1") = "8"
    & skf18("8","7","9","4","7","10","1") = "9"
    & skf18("8","7","9","4","8","1","1") = "8"
    & skf18("8","7","9","4","8","2","1") = "8"
    & skf18("8","7","9","4","8","3","1") = "8"
    & skf18("8","7","9","4","8","4","1") = "8"
    & skf18("8","7","9","4","8","5","1") = "8"
    & skf18("8","7","9","4","8","6","1") = "8"
    & skf18("8","7","9","4","8","7","1") = "8"
    & skf18("8","7","9","4","8","8","1") = "8"
    & skf18("8","7","9","4","8","9","1") = "8"
    & skf18("8","7","9","4","8","10","1") = "9"
    & skf18("8","7","9","4","9","1","1") = "8"
    & skf18("8","7","9","4","9","2","1") = "8"
    & skf18("8","7","9","4","9","3","1") = "8"
    & skf18("8","7","9","4","9","4","1") = "8"
    & skf18("8","7","9","4","9","5","1") = "8"
    & skf18("8","7","9","4","9","6","1") = "8"
    & skf18("8","7","9","4","9","7","1") = "8"
    & skf18("8","7","9","4","9","8","1") = "8"
    & skf18("8","7","9","4","9","9","1") = "8"
    & skf18("8","7","9","4","9","10","1") = "9"
    & skf18("8","7","9","4","10","1","1") = "9"
    & skf18("8","7","9","4","10","2","1") = "9"
    & skf18("8","7","9","4","10","3","1") = "9"
    & skf18("8","7","9","4","10","4","1") = "9"
    & skf18("8","7","9","4","10","5","1") = "9"
    & skf18("8","7","9","4","10","6","1") = "9"
    & skf18("8","7","9","4","10","7","1") = "9"
    & skf18("8","7","9","4","10","8","1") = "9"
    & skf18("8","7","9","4","10","9","1") = "9"
    & skf18("8","7","9","4","10","10","1") = "9"
    & skf18("8","7","9","5","1","1","1") = "8"
    & skf18("8","7","9","5","1","2","1") = "8"
    & skf18("8","7","9","5","1","3","1") = "8"
    & skf18("8","7","9","5","1","4","1") = "8"
    & skf18("8","7","9","5","1","5","1") = "8"
    & skf18("8","7","9","5","1","6","1") = "8"
    & skf18("8","7","9","5","1","7","1") = "8"
    & skf18("8","7","9","5","1","8","1") = "8"
    & skf18("8","7","9","5","1","9","1") = "8"
    & skf18("8","7","9","5","1","10","1") = "9"
    & skf18("8","7","9","5","2","1","1") = "8"
    & skf18("8","7","9","5","2","2","1") = "8"
    & skf18("8","7","9","5","2","3","1") = "8"
    & skf18("8","7","9","5","2","4","1") = "8"
    & skf18("8","7","9","5","2","5","1") = "8"
    & skf18("8","7","9","5","2","6","1") = "8"
    & skf18("8","7","9","5","2","7","1") = "8"
    & skf18("8","7","9","5","2","8","1") = "8"
    & skf18("8","7","9","5","2","9","1") = "8"
    & skf18("8","7","9","5","2","10","1") = "9"
    & skf18("8","7","9","5","3","1","1") = "8"
    & skf18("8","7","9","5","3","2","1") = "8"
    & skf18("8","7","9","5","3","3","1") = "8"
    & skf18("8","7","9","5","3","4","1") = "8"
    & skf18("8","7","9","5","3","5","1") = "8"
    & skf18("8","7","9","5","3","6","1") = "8"
    & skf18("8","7","9","5","3","7","1") = "8"
    & skf18("8","7","9","5","3","8","1") = "8"
    & skf18("8","7","9","5","3","9","1") = "8"
    & skf18("8","7","9","5","3","10","1") = "9"
    & skf18("8","7","9","5","4","1","1") = "8"
    & skf18("8","7","9","5","4","2","1") = "8"
    & skf18("8","7","9","5","4","3","1") = "8"
    & skf18("8","7","9","5","4","4","1") = "8"
    & skf18("8","7","9","5","4","5","1") = "8"
    & skf18("8","7","9","5","4","6","1") = "8"
    & skf18("8","7","9","5","4","7","1") = "8"
    & skf18("8","7","9","5","4","8","1") = "8"
    & skf18("8","7","9","5","4","9","1") = "8"
    & skf18("8","7","9","5","4","10","1") = "9"
    & skf18("8","7","9","5","5","1","1") = "8"
    & skf18("8","7","9","5","5","2","1") = "8"
    & skf18("8","7","9","5","5","3","1") = "8"
    & skf18("8","7","9","5","5","4","1") = "8"
    & skf18("8","7","9","5","5","5","1") = "8"
    & skf18("8","7","9","5","5","6","1") = "8"
    & skf18("8","7","9","5","5","7","1") = "8"
    & skf18("8","7","9","5","5","8","1") = "8"
    & skf18("8","7","9","5","5","9","1") = "8"
    & skf18("8","7","9","5","5","10","1") = "9"
    & skf18("8","7","9","5","6","1","1") = "8"
    & skf18("8","7","9","5","6","2","1") = "8"
    & skf18("8","7","9","5","6","3","1") = "8"
    & skf18("8","7","9","5","6","4","1") = "8"
    & skf18("8","7","9","5","6","5","1") = "8"
    & skf18("8","7","9","5","6","6","1") = "8"
    & skf18("8","7","9","5","6","7","1") = "8"
    & skf18("8","7","9","5","6","8","1") = "8"
    & skf18("8","7","9","5","6","9","1") = "8"
    & skf18("8","7","9","5","6","10","1") = "9"
    & skf18("8","7","9","5","7","1","1") = "8"
    & skf18("8","7","9","5","7","2","1") = "8"
    & skf18("8","7","9","5","7","3","1") = "8"
    & skf18("8","7","9","5","7","4","1") = "8"
    & skf18("8","7","9","5","7","5","1") = "8"
    & skf18("8","7","9","5","7","6","1") = "8"
    & skf18("8","7","9","5","7","7","1") = "8"
    & skf18("8","7","9","5","7","8","1") = "8"
    & skf18("8","7","9","5","7","9","1") = "8"
    & skf18("8","7","9","5","7","10","1") = "9"
    & skf18("8","7","9","5","8","1","1") = "8"
    & skf18("8","7","9","5","8","2","1") = "8"
    & skf18("8","7","9","5","8","3","1") = "8"
    & skf18("8","7","9","5","8","4","1") = "8"
    & skf18("8","7","9","5","8","5","1") = "8"
    & skf18("8","7","9","5","8","6","1") = "8"
    & skf18("8","7","9","5","8","7","1") = "8"
    & skf18("8","7","9","5","8","8","1") = "8"
    & skf18("8","7","9","5","8","9","1") = "8"
    & skf18("8","7","9","5","8","10","1") = "9"
    & skf18("8","7","9","5","9","1","1") = "8"
    & skf18("8","7","9","5","9","2","1") = "8"
    & skf18("8","7","9","5","9","3","1") = "8"
    & skf18("8","7","9","5","9","4","1") = "8"
    & skf18("8","7","9","5","9","5","1") = "8"
    & skf18("8","7","9","5","9","6","1") = "8"
    & skf18("8","7","9","5","9","7","1") = "8"
    & skf18("8","7","9","5","9","8","1") = "8"
    & skf18("8","7","9","5","9","9","1") = "8"
    & skf18("8","7","9","5","9","10","1") = "9"
    & skf18("8","7","9","5","10","1","1") = "9"
    & skf18("8","7","9","5","10","2","1") = "9"
    & skf18("8","7","9","5","10","3","1") = "9"
    & skf18("8","7","9","5","10","4","1") = "9"
    & skf18("8","7","9","5","10","5","1") = "9"
    & skf18("8","7","9","5","10","6","1") = "9"
    & skf18("8","7","9","5","10","7","1") = "9"
    & skf18("8","7","9","5","10","8","1") = "9"
    & skf18("8","7","9","5","10","9","1") = "9"
    & skf18("8","7","9","5","10","10","1") = "9"
    & skf18("8","7","9","6","1","1","1") = "8"
    & skf18("8","7","9","6","1","2","1") = "8"
    & skf18("8","7","9","6","1","3","1") = "8"
    & skf18("8","7","9","6","1","4","1") = "8"
    & skf18("8","7","9","6","1","5","1") = "8"
    & skf18("8","7","9","6","1","6","1") = "8"
    & skf18("8","7","9","6","1","7","1") = "8"
    & skf18("8","7","9","6","1","8","1") = "8"
    & skf18("8","7","9","6","1","9","1") = "8"
    & skf18("8","7","9","6","1","10","1") = "9"
    & skf18("8","7","9","6","2","1","1") = "8"
    & skf18("8","7","9","6","2","2","1") = "8"
    & skf18("8","7","9","6","2","3","1") = "8"
    & skf18("8","7","9","6","2","4","1") = "8"
    & skf18("8","7","9","6","2","5","1") = "8"
    & skf18("8","7","9","6","2","6","1") = "8"
    & skf18("8","7","9","6","2","7","1") = "8"
    & skf18("8","7","9","6","2","8","1") = "8"
    & skf18("8","7","9","6","2","9","1") = "8"
    & skf18("8","7","9","6","2","10","1") = "9"
    & skf18("8","7","9","6","3","1","1") = "8"
    & skf18("8","7","9","6","3","2","1") = "8"
    & skf18("8","7","9","6","3","3","1") = "8"
    & skf18("8","7","9","6","3","4","1") = "8"
    & skf18("8","7","9","6","3","5","1") = "8"
    & skf18("8","7","9","6","3","6","1") = "8"
    & skf18("8","7","9","6","3","7","1") = "8"
    & skf18("8","7","9","6","3","8","1") = "8"
    & skf18("8","7","9","6","3","9","1") = "8"
    & skf18("8","7","9","6","3","10","1") = "9"
    & skf18("8","7","9","6","4","1","1") = "8"
    & skf18("8","7","9","6","4","2","1") = "8"
    & skf18("8","7","9","6","4","3","1") = "8"
    & skf18("8","7","9","6","4","4","1") = "8"
    & skf18("8","7","9","6","4","5","1") = "8"
    & skf18("8","7","9","6","4","6","1") = "8"
    & skf18("8","7","9","6","4","7","1") = "8"
    & skf18("8","7","9","6","4","8","1") = "8"
    & skf18("8","7","9","6","4","9","1") = "8"
    & skf18("8","7","9","6","4","10","1") = "9"
    & skf18("8","7","9","6","5","1","1") = "8"
    & skf18("8","7","9","6","5","2","1") = "8"
    & skf18("8","7","9","6","5","3","1") = "8"
    & skf18("8","7","9","6","5","4","1") = "8"
    & skf18("8","7","9","6","5","5","1") = "8"
    & skf18("8","7","9","6","5","6","1") = "8"
    & skf18("8","7","9","6","5","7","1") = "8"
    & skf18("8","7","9","6","5","8","1") = "8"
    & skf18("8","7","9","6","5","9","1") = "8"
    & skf18("8","7","9","6","5","10","1") = "9"
    & skf18("8","7","9","6","6","1","1") = "8"
    & skf18("8","7","9","6","6","2","1") = "8"
    & skf18("8","7","9","6","6","3","1") = "8"
    & skf18("8","7","9","6","6","4","1") = "8"
    & skf18("8","7","9","6","6","5","1") = "8"
    & skf18("8","7","9","6","6","6","1") = "8"
    & skf18("8","7","9","6","6","7","1") = "8"
    & skf18("8","7","9","6","6","8","1") = "8"
    & skf18("8","7","9","6","6","9","1") = "8"
    & skf18("8","7","9","6","6","10","1") = "9"
    & skf18("8","7","9","6","7","1","1") = "8"
    & skf18("8","7","9","6","7","2","1") = "8"
    & skf18("8","7","9","6","7","3","1") = "8"
    & skf18("8","7","9","6","7","4","1") = "8"
    & skf18("8","7","9","6","7","5","1") = "8"
    & skf18("8","7","9","6","7","6","1") = "8"
    & skf18("8","7","9","6","7","7","1") = "8"
    & skf18("8","7","9","6","7","8","1") = "8"
    & skf18("8","7","9","6","7","9","1") = "8"
    & skf18("8","7","9","6","7","10","1") = "9"
    & skf18("8","7","9","6","8","1","1") = "8"
    & skf18("8","7","9","6","8","2","1") = "8"
    & skf18("8","7","9","6","8","3","1") = "8"
    & skf18("8","7","9","6","8","4","1") = "8"
    & skf18("8","7","9","6","8","5","1") = "8"
    & skf18("8","7","9","6","8","6","1") = "8"
    & skf18("8","7","9","6","8","7","1") = "8"
    & skf18("8","7","9","6","8","8","1") = "8"
    & skf18("8","7","9","6","8","9","1") = "8"
    & skf18("8","7","9","6","8","10","1") = "9"
    & skf18("8","7","9","6","9","1","1") = "8"
    & skf18("8","7","9","6","9","2","1") = "8"
    & skf18("8","7","9","6","9","3","1") = "8"
    & skf18("8","7","9","6","9","4","1") = "8"
    & skf18("8","7","9","6","9","5","1") = "8"
    & skf18("8","7","9","6","9","6","1") = "8"
    & skf18("8","7","9","6","9","7","1") = "8"
    & skf18("8","7","9","6","9","8","1") = "8"
    & skf18("8","7","9","6","9","9","1") = "8"
    & skf18("8","7","9","6","9","10","1") = "9"
    & skf18("8","7","9","6","10","1","1") = "9"
    & skf18("8","7","9","6","10","2","1") = "9"
    & skf18("8","7","9","6","10","3","1") = "9"
    & skf18("8","7","9","6","10","4","1") = "9"
    & skf18("8","7","9","6","10","5","1") = "9"
    & skf18("8","7","9","6","10","6","1") = "9"
    & skf18("8","7","9","6","10","7","1") = "9"
    & skf18("8","7","9","6","10","8","1") = "9"
    & skf18("8","7","9","6","10","9","1") = "9"
    & skf18("8","7","9","6","10","10","1") = "9"
    & skf18("8","7","9","7","1","1","1") = "8"
    & skf18("8","7","9","7","1","2","1") = "8"
    & skf18("8","7","9","7","1","3","1") = "8"
    & skf18("8","7","9","7","1","4","1") = "8"
    & skf18("8","7","9","7","1","5","1") = "8"
    & skf18("8","7","9","7","1","6","1") = "8"
    & skf18("8","7","9","7","1","7","1") = "8"
    & skf18("8","7","9","7","1","8","1") = "8"
    & skf18("8","7","9","7","1","9","1") = "8"
    & skf18("8","7","9","7","1","10","1") = "9"
    & skf18("8","7","9","7","2","1","1") = "8"
    & skf18("8","7","9","7","2","2","1") = "8"
    & skf18("8","7","9","7","2","3","1") = "8"
    & skf18("8","7","9","7","2","4","1") = "8"
    & skf18("8","7","9","7","2","5","1") = "8"
    & skf18("8","7","9","7","2","6","1") = "8"
    & skf18("8","7","9","7","2","7","1") = "8"
    & skf18("8","7","9","7","2","8","1") = "8"
    & skf18("8","7","9","7","2","9","1") = "8"
    & skf18("8","7","9","7","2","10","1") = "9"
    & skf18("8","7","9","7","3","1","1") = "8"
    & skf18("8","7","9","7","3","2","1") = "8"
    & skf18("8","7","9","7","3","3","1") = "8"
    & skf18("8","7","9","7","3","4","1") = "8"
    & skf18("8","7","9","7","3","5","1") = "8"
    & skf18("8","7","9","7","3","6","1") = "8"
    & skf18("8","7","9","7","3","7","1") = "8"
    & skf18("8","7","9","7","3","8","1") = "8"
    & skf18("8","7","9","7","3","9","1") = "8"
    & skf18("8","7","9","7","3","10","1") = "9"
    & skf18("8","7","9","7","4","1","1") = "8"
    & skf18("8","7","9","7","4","2","1") = "8"
    & skf18("8","7","9","7","4","3","1") = "8"
    & skf18("8","7","9","7","4","4","1") = "8"
    & skf18("8","7","9","7","4","5","1") = "8"
    & skf18("8","7","9","7","4","6","1") = "8"
    & skf18("8","7","9","7","4","7","1") = "8"
    & skf18("8","7","9","7","4","8","1") = "8"
    & skf18("8","7","9","7","4","9","1") = "8"
    & skf18("8","7","9","7","4","10","1") = "9"
    & skf18("8","7","9","7","5","1","1") = "8"
    & skf18("8","7","9","7","5","2","1") = "8"
    & skf18("8","7","9","7","5","3","1") = "8"
    & skf18("8","7","9","7","5","4","1") = "8"
    & skf18("8","7","9","7","5","5","1") = "8"
    & skf18("8","7","9","7","5","6","1") = "8"
    & skf18("8","7","9","7","5","7","1") = "8"
    & skf18("8","7","9","7","5","8","1") = "8"
    & skf18("8","7","9","7","5","9","1") = "8"
    & skf18("8","7","9","7","5","10","1") = "9"
    & skf18("8","7","9","7","6","1","1") = "8"
    & skf18("8","7","9","7","6","2","1") = "8"
    & skf18("8","7","9","7","6","3","1") = "8"
    & skf18("8","7","9","7","6","4","1") = "8"
    & skf18("8","7","9","7","6","5","1") = "8"
    & skf18("8","7","9","7","6","6","1") = "8"
    & skf18("8","7","9","7","6","7","1") = "8"
    & skf18("8","7","9","7","6","8","1") = "8"
    & skf18("8","7","9","7","6","9","1") = "8"
    & skf18("8","7","9","7","6","10","1") = "9"
    & skf18("8","7","9","7","7","1","1") = "8"
    & skf18("8","7","9","7","7","2","1") = "8"
    & skf18("8","7","9","7","7","3","1") = "8"
    & skf18("8","7","9","7","7","4","1") = "8"
    & skf18("8","7","9","7","7","5","1") = "8"
    & skf18("8","7","9","7","7","6","1") = "8"
    & skf18("8","7","9","7","7","7","1") = "8"
    & skf18("8","7","9","7","7","8","1") = "8"
    & skf18("8","7","9","7","7","9","1") = "8"
    & skf18("8","7","9","7","7","10","1") = "9"
    & skf18("8","7","9","7","8","1","1") = "8"
    & skf18("8","7","9","7","8","2","1") = "8"
    & skf18("8","7","9","7","8","3","1") = "8"
    & skf18("8","7","9","7","8","4","1") = "8"
    & skf18("8","7","9","7","8","5","1") = "8"
    & skf18("8","7","9","7","8","6","1") = "8"
    & skf18("8","7","9","7","8","7","1") = "8"
    & skf18("8","7","9","7","8","8","1") = "8"
    & skf18("8","7","9","7","8","9","1") = "8"
    & skf18("8","7","9","7","8","10","1") = "9"
    & skf18("8","7","9","7","9","1","1") = "8"
    & skf18("8","7","9","7","9","2","1") = "8"
    & skf18("8","7","9","7","9","3","1") = "8"
    & skf18("8","7","9","7","9","4","1") = "8"
    & skf18("8","7","9","7","9","5","1") = "8"
    & skf18("8","7","9","7","9","6","1") = "8"
    & skf18("8","7","9","7","9","7","1") = "8"
    & skf18("8","7","9","7","9","8","1") = "8"
    & skf18("8","7","9","7","9","9","1") = "8"
    & skf18("8","7","9","7","9","10","1") = "9"
    & skf18("8","7","9","7","10","1","1") = "9"
    & skf18("8","7","9","7","10","2","1") = "9"
    & skf18("8","7","9","7","10","3","1") = "9"
    & skf18("8","7","9","7","10","4","1") = "9"
    & skf18("8","7","9","7","10","5","1") = "9"
    & skf18("8","7","9","7","10","6","1") = "9"
    & skf18("8","7","9","7","10","7","1") = "9"
    & skf18("8","7","9","7","10","8","1") = "9"
    & skf18("8","7","9","7","10","9","1") = "9"
    & skf18("8","7","9","7","10","10","1") = "9"
    & skf18("8","7","9","8","1","1","1") = "8"
    & skf18("8","7","9","8","1","2","1") = "8"
    & skf18("8","7","9","8","1","3","1") = "8"
    & skf18("8","7","9","8","1","4","1") = "8"
    & skf18("8","7","9","8","1","5","1") = "8"
    & skf18("8","7","9","8","1","6","1") = "8"
    & skf18("8","7","9","8","1","7","1") = "8"
    & skf18("8","7","9","8","1","8","1") = "8"
    & skf18("8","7","9","8","1","9","1") = "8"
    & skf18("8","7","9","8","1","10","1") = "9"
    & skf18("8","7","9","8","2","1","1") = "8"
    & skf18("8","7","9","8","2","2","1") = "8"
    & skf18("8","7","9","8","2","3","1") = "8"
    & skf18("8","7","9","8","2","4","1") = "8"
    & skf18("8","7","9","8","2","5","1") = "8"
    & skf18("8","7","9","8","2","6","1") = "8"
    & skf18("8","7","9","8","2","7","1") = "8"
    & skf18("8","7","9","8","2","8","1") = "8"
    & skf18("8","7","9","8","2","9","1") = "8"
    & skf18("8","7","9","8","2","10","1") = "9"
    & skf18("8","7","9","8","3","1","1") = "8"
    & skf18("8","7","9","8","3","2","1") = "8"
    & skf18("8","7","9","8","3","3","1") = "8"
    & skf18("8","7","9","8","3","4","1") = "8"
    & skf18("8","7","9","8","3","5","1") = "8"
    & skf18("8","7","9","8","3","6","1") = "8"
    & skf18("8","7","9","8","3","7","1") = "8"
    & skf18("8","7","9","8","3","8","1") = "8"
    & skf18("8","7","9","8","3","9","1") = "8"
    & skf18("8","7","9","8","3","10","1") = "9"
    & skf18("8","7","9","8","4","1","1") = "8"
    & skf18("8","7","9","8","4","2","1") = "8"
    & skf18("8","7","9","8","4","3","1") = "8"
    & skf18("8","7","9","8","4","4","1") = "8"
    & skf18("8","7","9","8","4","5","1") = "8"
    & skf18("8","7","9","8","4","6","1") = "8"
    & skf18("8","7","9","8","4","7","1") = "8"
    & skf18("8","7","9","8","4","8","1") = "8"
    & skf18("8","7","9","8","4","9","1") = "8"
    & skf18("8","7","9","8","4","10","1") = "9"
    & skf18("8","7","9","8","5","1","1") = "8"
    & skf18("8","7","9","8","5","2","1") = "8"
    & skf18("8","7","9","8","5","3","1") = "8"
    & skf18("8","7","9","8","5","4","1") = "8"
    & skf18("8","7","9","8","5","5","1") = "8"
    & skf18("8","7","9","8","5","6","1") = "8"
    & skf18("8","7","9","8","5","7","1") = "8"
    & skf18("8","7","9","8","5","8","1") = "8"
    & skf18("8","7","9","8","5","9","1") = "8"
    & skf18("8","7","9","8","5","10","1") = "9"
    & skf18("8","7","9","8","6","1","1") = "8"
    & skf18("8","7","9","8","6","2","1") = "8"
    & skf18("8","7","9","8","6","3","1") = "8"
    & skf18("8","7","9","8","6","4","1") = "8"
    & skf18("8","7","9","8","6","5","1") = "8"
    & skf18("8","7","9","8","6","6","1") = "8"
    & skf18("8","7","9","8","6","7","1") = "8"
    & skf18("8","7","9","8","6","8","1") = "8"
    & skf18("8","7","9","8","6","9","1") = "8"
    & skf18("8","7","9","8","6","10","1") = "9"
    & skf18("8","7","9","8","7","1","1") = "8"
    & skf18("8","7","9","8","7","2","1") = "8"
    & skf18("8","7","9","8","7","3","1") = "8"
    & skf18("8","7","9","8","7","4","1") = "8"
    & skf18("8","7","9","8","7","5","1") = "8"
    & skf18("8","7","9","8","7","6","1") = "8"
    & skf18("8","7","9","8","7","7","1") = "8"
    & skf18("8","7","9","8","7","8","1") = "8"
    & skf18("8","7","9","8","7","9","1") = "8"
    & skf18("8","7","9","8","7","10","1") = "9"
    & skf18("8","7","9","8","8","1","1") = "8"
    & skf18("8","7","9","8","8","2","1") = "8"
    & skf18("8","7","9","8","8","3","1") = "8"
    & skf18("8","7","9","8","8","4","1") = "8"
    & skf18("8","7","9","8","8","5","1") = "8"
    & skf18("8","7","9","8","8","6","1") = "8"
    & skf18("8","7","9","8","8","7","1") = "8"
    & skf18("8","7","9","8","8","8","1") = "8"
    & skf18("8","7","9","8","8","9","1") = "8"
    & skf18("8","7","9","8","8","10","1") = "9"
    & skf18("8","7","9","8","9","1","1") = "8"
    & skf18("8","7","9","8","9","2","1") = "8"
    & skf18("8","7","9","8","9","3","1") = "8"
    & skf18("8","7","9","8","9","4","1") = "8"
    & skf18("8","7","9","8","9","5","1") = "8"
    & skf18("8","7","9","8","9","6","1") = "8"
    & skf18("8","7","9","8","9","7","1") = "8"
    & skf18("8","7","9","8","9","8","1") = "8"
    & skf18("8","7","9","8","9","9","1") = "8"
    & skf18("8","7","9","8","9","10","1") = "9"
    & skf18("8","7","9","8","10","1","1") = "9"
    & skf18("8","7","9","8","10","2","1") = "9"
    & skf18("8","7","9","8","10","3","1") = "9"
    & skf18("8","7","9","8","10","4","1") = "9"
    & skf18("8","7","9","8","10","5","1") = "9"
    & skf18("8","7","9","8","10","6","1") = "9"
    & skf18("8","7","9","8","10","7","1") = "9"
    & skf18("8","7","9","8","10","8","1") = "9"
    & skf18("8","7","9","8","10","9","1") = "9"
    & skf18("8","7","9","8","10","10","1") = "9"
    & skf18("8","7","9","9","1","1","1") = "8"
    & skf18("8","7","9","9","1","2","1") = "8"
    & skf18("8","7","9","9","1","3","1") = "8"
    & skf18("8","7","9","9","1","4","1") = "8"
    & skf18("8","7","9","9","1","5","1") = "8"
    & skf18("8","7","9","9","1","6","1") = "8"
    & skf18("8","7","9","9","1","7","1") = "8"
    & skf18("8","7","9","9","1","8","1") = "8"
    & skf18("8","7","9","9","1","9","1") = "8"
    & skf18("8","7","9","9","1","10","1") = "9"
    & skf18("8","7","9","9","2","1","1") = "8"
    & skf18("8","7","9","9","2","2","1") = "8"
    & skf18("8","7","9","9","2","3","1") = "8"
    & skf18("8","7","9","9","2","4","1") = "8"
    & skf18("8","7","9","9","2","5","1") = "8"
    & skf18("8","7","9","9","2","6","1") = "8"
    & skf18("8","7","9","9","2","7","1") = "8"
    & skf18("8","7","9","9","2","8","1") = "8"
    & skf18("8","7","9","9","2","9","1") = "8"
    & skf18("8","7","9","9","2","10","1") = "9"
    & skf18("8","7","9","9","3","1","1") = "8"
    & skf18("8","7","9","9","3","2","1") = "8"
    & skf18("8","7","9","9","3","3","1") = "8"
    & skf18("8","7","9","9","3","4","1") = "8"
    & skf18("8","7","9","9","3","5","1") = "8"
    & skf18("8","7","9","9","3","6","1") = "8"
    & skf18("8","7","9","9","3","7","1") = "8"
    & skf18("8","7","9","9","3","8","1") = "8"
    & skf18("8","7","9","9","3","9","1") = "8"
    & skf18("8","7","9","9","3","10","1") = "9"
    & skf18("8","7","9","9","4","1","1") = "8"
    & skf18("8","7","9","9","4","2","1") = "8"
    & skf18("8","7","9","9","4","3","1") = "8"
    & skf18("8","7","9","9","4","4","1") = "8"
    & skf18("8","7","9","9","4","5","1") = "8"
    & skf18("8","7","9","9","4","6","1") = "8"
    & skf18("8","7","9","9","4","7","1") = "8"
    & skf18("8","7","9","9","4","8","1") = "8"
    & skf18("8","7","9","9","4","9","1") = "8"
    & skf18("8","7","9","9","4","10","1") = "9"
    & skf18("8","7","9","9","5","1","1") = "8"
    & skf18("8","7","9","9","5","2","1") = "8"
    & skf18("8","7","9","9","5","3","1") = "8"
    & skf18("8","7","9","9","5","4","1") = "8"
    & skf18("8","7","9","9","5","5","1") = "8"
    & skf18("8","7","9","9","5","6","1") = "8"
    & skf18("8","7","9","9","5","7","1") = "8"
    & skf18("8","7","9","9","5","8","1") = "8"
    & skf18("8","7","9","9","5","9","1") = "8"
    & skf18("8","7","9","9","5","10","1") = "9"
    & skf18("8","7","9","9","6","1","1") = "8"
    & skf18("8","7","9","9","6","2","1") = "8"
    & skf18("8","7","9","9","6","3","1") = "8"
    & skf18("8","7","9","9","6","4","1") = "8"
    & skf18("8","7","9","9","6","5","1") = "8"
    & skf18("8","7","9","9","6","6","1") = "8"
    & skf18("8","7","9","9","6","7","1") = "8"
    & skf18("8","7","9","9","6","8","1") = "8"
    & skf18("8","7","9","9","6","9","1") = "8"
    & skf18("8","7","9","9","6","10","1") = "9"
    & skf18("8","7","9","9","7","1","1") = "8"
    & skf18("8","7","9","9","7","2","1") = "8"
    & skf18("8","7","9","9","7","3","1") = "8"
    & skf18("8","7","9","9","7","4","1") = "8"
    & skf18("8","7","9","9","7","5","1") = "8"
    & skf18("8","7","9","9","7","6","1") = "8"
    & skf18("8","7","9","9","7","7","1") = "8"
    & skf18("8","7","9","9","7","8","1") = "8"
    & skf18("8","7","9","9","7","9","1") = "8"
    & skf18("8","7","9","9","7","10","1") = "9"
    & skf18("8","7","9","9","8","1","1") = "8"
    & skf18("8","7","9","9","8","2","1") = "8"
    & skf18("8","7","9","9","8","3","1") = "8"
    & skf18("8","7","9","9","8","4","1") = "8"
    & skf18("8","7","9","9","8","5","1") = "8"
    & skf18("8","7","9","9","8","6","1") = "8"
    & skf18("8","7","9","9","8","7","1") = "8"
    & skf18("8","7","9","9","8","8","1") = "8"
    & skf18("8","7","9","9","8","9","1") = "8"
    & skf18("8","7","9","9","8","10","1") = "9"
    & skf18("8","7","9","9","9","1","1") = "8"
    & skf18("8","7","9","9","9","2","1") = "8"
    & skf18("8","7","9","9","9","3","1") = "8"
    & skf18("8","7","9","9","9","4","1") = "8"
    & skf18("8","7","9","9","9","5","1") = "8"
    & skf18("8","7","9","9","9","6","1") = "8"
    & skf18("8","7","9","9","9","7","1") = "8"
    & skf18("8","7","9","9","9","8","1") = "8"
    & skf18("8","7","9","9","9","9","1") = "8"
    & skf18("8","7","9","9","9","10","1") = "9"
    & skf18("8","7","9","9","10","1","1") = "9"
    & skf18("8","7","9","9","10","2","1") = "9"
    & skf18("8","7","9","9","10","3","1") = "9"
    & skf18("8","7","9","9","10","4","1") = "9"
    & skf18("8","7","9","9","10","5","1") = "9"
    & skf18("8","7","9","9","10","6","1") = "9"
    & skf18("8","7","9","9","10","7","1") = "9"
    & skf18("8","7","9","9","10","8","1") = "9"
    & skf18("8","7","9","9","10","9","1") = "9"
    & skf18("8","7","9","9","10","10","1") = "9"
    & skf18("8","7","9","10","1","1","1") = "9"
    & skf18("8","7","9","10","1","2","1") = "9"
    & skf18("8","7","9","10","1","3","1") = "9"
    & skf18("8","7","9","10","1","4","1") = "9"
    & skf18("8","7","9","10","1","5","1") = "9"
    & skf18("8","7","9","10","1","6","1") = "9"
    & skf18("8","7","9","10","1","7","1") = "9"
    & skf18("8","7","9","10","1","8","1") = "9"
    & skf18("8","7","9","10","1","9","1") = "9"
    & skf18("8","7","9","10","1","10","1") = "9"
    & skf18("8","7","9","10","2","1","1") = "9"
    & skf18("8","7","9","10","2","2","1") = "9"
    & skf18("8","7","9","10","2","3","1") = "9"
    & skf18("8","7","9","10","2","4","1") = "9"
    & skf18("8","7","9","10","2","5","1") = "9"
    & skf18("8","7","9","10","2","6","1") = "9"
    & skf18("8","7","9","10","2","7","1") = "9"
    & skf18("8","7","9","10","2","8","1") = "9"
    & skf18("8","7","9","10","2","9","1") = "9"
    & skf18("8","7","9","10","2","10","1") = "9"
    & skf18("8","7","9","10","3","1","1") = "9"
    & skf18("8","7","9","10","3","2","1") = "9"
    & skf18("8","7","9","10","3","3","1") = "9"
    & skf18("8","7","9","10","3","4","1") = "9"
    & skf18("8","7","9","10","3","5","1") = "9"
    & skf18("8","7","9","10","3","6","1") = "9"
    & skf18("8","7","9","10","3","7","1") = "9"
    & skf18("8","7","9","10","3","8","1") = "9"
    & skf18("8","7","9","10","3","9","1") = "9"
    & skf18("8","7","9","10","3","10","1") = "9"
    & skf18("8","7","9","10","4","1","1") = "9"
    & skf18("8","7","9","10","4","2","1") = "9"
    & skf18("8","7","9","10","4","3","1") = "9"
    & skf18("8","7","9","10","4","4","1") = "9"
    & skf18("8","7","9","10","4","5","1") = "9"
    & skf18("8","7","9","10","4","6","1") = "9"
    & skf18("8","7","9","10","4","7","1") = "9"
    & skf18("8","7","9","10","4","8","1") = "9"
    & skf18("8","7","9","10","4","9","1") = "9"
    & skf18("8","7","9","10","4","10","1") = "9"
    & skf18("8","7","9","10","5","1","1") = "9"
    & skf18("8","7","9","10","5","2","1") = "9"
    & skf18("8","7","9","10","5","3","1") = "9"
    & skf18("8","7","9","10","5","4","1") = "9"
    & skf18("8","7","9","10","5","5","1") = "9"
    & skf18("8","7","9","10","5","6","1") = "9"
    & skf18("8","7","9","10","5","7","1") = "9"
    & skf18("8","7","9","10","5","8","1") = "9"
    & skf18("8","7","9","10","5","9","1") = "9"
    & skf18("8","7","9","10","5","10","1") = "9"
    & skf18("8","7","9","10","6","1","1") = "9"
    & skf18("8","7","9","10","6","2","1") = "9"
    & skf18("8","7","9","10","6","3","1") = "9"
    & skf18("8","7","9","10","6","4","1") = "9"
    & skf18("8","7","9","10","6","5","1") = "9"
    & skf18("8","7","9","10","6","6","1") = "9"
    & skf18("8","7","9","10","6","7","1") = "9"
    & skf18("8","7","9","10","6","8","1") = "9"
    & skf18("8","7","9","10","6","9","1") = "9"
    & skf18("8","7","9","10","6","10","1") = "9"
    & skf18("8","7","9","10","7","1","1") = "9"
    & skf18("8","7","9","10","7","2","1") = "9"
    & skf18("8","7","9","10","7","3","1") = "9"
    & skf18("8","7","9","10","7","4","1") = "9"
    & skf18("8","7","9","10","7","5","1") = "9"
    & skf18("8","7","9","10","7","6","1") = "9"
    & skf18("8","7","9","10","7","7","1") = "9"
    & skf18("8","7","9","10","7","8","1") = "9"
    & skf18("8","7","9","10","7","9","1") = "9"
    & skf18("8","7","9","10","7","10","1") = "9"
    & skf18("8","7","9","10","8","1","1") = "9"
    & skf18("8","7","9","10","8","2","1") = "9"
    & skf18("8","7","9","10","8","3","1") = "9"
    & skf18("8","7","9","10","8","4","1") = "9"
    & skf18("8","7","9","10","8","5","1") = "9"
    & skf18("8","7","9","10","8","6","1") = "9"
    & skf18("8","7","9","10","8","7","1") = "9"
    & skf18("8","7","9","10","8","8","1") = "9"
    & skf18("8","7","9","10","8","9","1") = "9"
    & skf18("8","7","9","10","8","10","1") = "9"
    & skf18("8","7","9","10","9","1","1") = "9"
    & skf18("8","7","9","10","9","2","1") = "9"
    & skf18("8","7","9","10","9","3","1") = "9"
    & skf18("8","7","9","10","9","4","1") = "9"
    & skf18("8","7","9","10","9","5","1") = "9"
    & skf18("8","7","9","10","9","6","1") = "9"
    & skf18("8","7","9","10","9","7","1") = "9"
    & skf18("8","7","9","10","9","8","1") = "9"
    & skf18("8","7","9","10","9","9","1") = "9"
    & skf18("8","7","9","10","9","10","1") = "9"
    & skf18("8","7","9","10","10","1","1") = "9"
    & skf18("8","7","9","10","10","2","1") = "9"
    & skf18("8","7","9","10","10","3","1") = "9"
    & skf18("8","7","9","10","10","4","1") = "9"
    & skf18("8","7","9","10","10","5","1") = "9"
    & skf18("8","7","9","10","10","6","1") = "9"
    & skf18("8","7","9","10","10","7","1") = "9"
    & skf18("8","7","9","10","10","8","1") = "9"
    & skf18("8","7","9","10","10","9","1") = "9"
    & skf18("8","7","9","10","10","10","1") = "9"
    & skf18("8","7","10","1","1","1","1") = "9"
    & skf18("8","7","10","1","1","2","1") = "9"
    & skf18("8","7","10","1","1","3","1") = "9"
    & skf18("8","7","10","1","1","4","1") = "9"
    & skf18("8","7","10","1","1","5","1") = "9"
    & skf18("8","7","10","1","1","6","1") = "9"
    & skf18("8","7","10","1","1","7","1") = "9"
    & skf18("8","7","10","1","1","8","1") = "9"
    & skf18("8","7","10","1","1","9","1") = "9"
    & skf18("8","7","10","1","1","10","1") = "9"
    & skf18("8","7","10","1","2","1","1") = "9"
    & skf18("8","7","10","1","2","2","1") = "9"
    & skf18("8","7","10","1","2","3","1") = "9"
    & skf18("8","7","10","1","2","4","1") = "9"
    & skf18("8","7","10","1","2","5","1") = "9"
    & skf18("8","7","10","1","2","6","1") = "9"
    & skf18("8","7","10","1","2","7","1") = "9"
    & skf18("8","7","10","1","2","8","1") = "9"
    & skf18("8","7","10","1","2","9","1") = "9"
    & skf18("8","7","10","1","2","10","1") = "9"
    & skf18("8","7","10","1","3","1","1") = "9"
    & skf18("8","7","10","1","3","2","1") = "9"
    & skf18("8","7","10","1","3","3","1") = "9"
    & skf18("8","7","10","1","3","4","1") = "9"
    & skf18("8","7","10","1","3","5","1") = "9"
    & skf18("8","7","10","1","3","6","1") = "9"
    & skf18("8","7","10","1","3","7","1") = "9"
    & skf18("8","7","10","1","3","8","1") = "9"
    & skf18("8","7","10","1","3","9","1") = "9"
    & skf18("8","7","10","1","3","10","1") = "9"
    & skf18("8","7","10","1","4","1","1") = "9"
    & skf18("8","7","10","1","4","2","1") = "9"
    & skf18("8","7","10","1","4","3","1") = "9"
    & skf18("8","7","10","1","4","4","1") = "9"
    & skf18("8","7","10","1","4","5","1") = "9"
    & skf18("8","7","10","1","4","6","1") = "9"
    & skf18("8","7","10","1","4","7","1") = "9"
    & skf18("8","7","10","1","4","8","1") = "9"
    & skf18("8","7","10","1","4","9","1") = "9"
    & skf18("8","7","10","1","4","10","1") = "9"
    & skf18("8","7","10","1","5","1","1") = "9"
    & skf18("8","7","10","1","5","2","1") = "9"
    & skf18("8","7","10","1","5","3","1") = "9"
    & skf18("8","7","10","1","5","4","1") = "9"
    & skf18("8","7","10","1","5","5","1") = "9"
    & skf18("8","7","10","1","5","6","1") = "9"
    & skf18("8","7","10","1","5","7","1") = "9"
    & skf18("8","7","10","1","5","8","1") = "9"
    & skf18("8","7","10","1","5","9","1") = "9"
    & skf18("8","7","10","1","5","10","1") = "9"
    & skf18("8","7","10","1","6","1","1") = "9"
    & skf18("8","7","10","1","6","2","1") = "9"
    & skf18("8","7","10","1","6","3","1") = "9"
    & skf18("8","7","10","1","6","4","1") = "9"
    & skf18("8","7","10","1","6","5","1") = "9"
    & skf18("8","7","10","1","6","6","1") = "9"
    & skf18("8","7","10","1","6","7","1") = "9"
    & skf18("8","7","10","1","6","8","1") = "9"
    & skf18("8","7","10","1","6","9","1") = "9"
    & skf18("8","7","10","1","6","10","1") = "9"
    & skf18("8","7","10","1","7","1","1") = "9"
    & skf18("8","7","10","1","7","2","1") = "9"
    & skf18("8","7","10","1","7","3","1") = "9"
    & skf18("8","7","10","1","7","4","1") = "9"
    & skf18("8","7","10","1","7","5","1") = "9"
    & skf18("8","7","10","1","7","6","1") = "9"
    & skf18("8","7","10","1","7","7","1") = "9"
    & skf18("8","7","10","1","7","8","1") = "9"
    & skf18("8","7","10","1","7","9","1") = "9"
    & skf18("8","7","10","1","7","10","1") = "9"
    & skf18("8","7","10","1","8","1","1") = "9"
    & skf18("8","7","10","1","8","2","1") = "9"
    & skf18("8","7","10","1","8","3","1") = "9"
    & skf18("8","7","10","1","8","4","1") = "9"
    & skf18("8","7","10","1","8","5","1") = "9"
    & skf18("8","7","10","1","8","6","1") = "9"
    & skf18("8","7","10","1","8","7","1") = "9"
    & skf18("8","7","10","1","8","8","1") = "9"
    & skf18("8","7","10","1","8","9","1") = "9"
    & skf18("8","7","10","1","8","10","1") = "9"
    & skf18("8","7","10","1","9","1","1") = "9"
    & skf18("8","7","10","1","9","2","1") = "9"
    & skf18("8","7","10","1","9","3","1") = "9"
    & skf18("8","7","10","1","9","4","1") = "9"
    & skf18("8","7","10","1","9","5","1") = "9"
    & skf18("8","7","10","1","9","6","1") = "9"
    & skf18("8","7","10","1","9","7","1") = "9"
    & skf18("8","7","10","1","9","8","1") = "9"
    & skf18("8","7","10","1","9","9","1") = "9"
    & skf18("8","7","10","1","9","10","1") = "9"
    & skf18("8","7","10","1","10","1","1") = "9"
    & skf18("8","7","10","1","10","2","1") = "9"
    & skf18("8","7","10","1","10","3","1") = "9"
    & skf18("8","7","10","1","10","4","1") = "9"
    & skf18("8","7","10","1","10","5","1") = "9"
    & skf18("8","7","10","1","10","6","1") = "9"
    & skf18("8","7","10","1","10","7","1") = "9"
    & skf18("8","7","10","1","10","8","1") = "9"
    & skf18("8","7","10","1","10","9","1") = "9"
    & skf18("8","7","10","1","10","10","1") = "9"
    & skf18("8","7","10","2","1","1","1") = "9"
    & skf18("8","7","10","2","1","2","1") = "9"
    & skf18("8","7","10","2","1","3","1") = "9"
    & skf18("8","7","10","2","1","4","1") = "9"
    & skf18("8","7","10","2","1","5","1") = "9"
    & skf18("8","7","10","2","1","6","1") = "9"
    & skf18("8","7","10","2","1","7","1") = "9"
    & skf18("8","7","10","2","1","8","1") = "9"
    & skf18("8","7","10","2","1","9","1") = "9"
    & skf18("8","7","10","2","1","10","1") = "9"
    & skf18("8","7","10","2","2","1","1") = "9"
    & skf18("8","7","10","2","2","2","1") = "9"
    & skf18("8","7","10","2","2","3","1") = "9"
    & skf18("8","7","10","2","2","4","1") = "9"
    & skf18("8","7","10","2","2","5","1") = "9"
    & skf18("8","7","10","2","2","6","1") = "9"
    & skf18("8","7","10","2","2","7","1") = "9"
    & skf18("8","7","10","2","2","8","1") = "9"
    & skf18("8","7","10","2","2","9","1") = "9"
    & skf18("8","7","10","2","2","10","1") = "9"
    & skf18("8","7","10","2","3","1","1") = "9"
    & skf18("8","7","10","2","3","2","1") = "9"
    & skf18("8","7","10","2","3","3","1") = "9"
    & skf18("8","7","10","2","3","4","1") = "9"
    & skf18("8","7","10","2","3","5","1") = "9"
    & skf18("8","7","10","2","3","6","1") = "9"
    & skf18("8","7","10","2","3","7","1") = "9"
    & skf18("8","7","10","2","3","8","1") = "9"
    & skf18("8","7","10","2","3","9","1") = "9"
    & skf18("8","7","10","2","3","10","1") = "9"
    & skf18("8","7","10","2","4","1","1") = "9"
    & skf18("8","7","10","2","4","2","1") = "9"
    & skf18("8","7","10","2","4","3","1") = "9"
    & skf18("8","7","10","2","4","4","1") = "9"
    & skf18("8","7","10","2","4","5","1") = "9"
    & skf18("8","7","10","2","4","6","1") = "9"
    & skf18("8","7","10","2","4","7","1") = "9"
    & skf18("8","7","10","2","4","8","1") = "9"
    & skf18("8","7","10","2","4","9","1") = "9"
    & skf18("8","7","10","2","4","10","1") = "9"
    & skf18("8","7","10","2","5","1","1") = "9"
    & skf18("8","7","10","2","5","2","1") = "9"
    & skf18("8","7","10","2","5","3","1") = "9"
    & skf18("8","7","10","2","5","4","1") = "9"
    & skf18("8","7","10","2","5","5","1") = "9"
    & skf18("8","7","10","2","5","6","1") = "9"
    & skf18("8","7","10","2","5","7","1") = "9"
    & skf18("8","7","10","2","5","8","1") = "9"
    & skf18("8","7","10","2","5","9","1") = "9"
    & skf18("8","7","10","2","5","10","1") = "9"
    & skf18("8","7","10","2","6","1","1") = "9"
    & skf18("8","7","10","2","6","2","1") = "9"
    & skf18("8","7","10","2","6","3","1") = "9"
    & skf18("8","7","10","2","6","4","1") = "9"
    & skf18("8","7","10","2","6","5","1") = "9"
    & skf18("8","7","10","2","6","6","1") = "9"
    & skf18("8","7","10","2","6","7","1") = "9"
    & skf18("8","7","10","2","6","8","1") = "9"
    & skf18("8","7","10","2","6","9","1") = "9"
    & skf18("8","7","10","2","6","10","1") = "9"
    & skf18("8","7","10","2","7","1","1") = "9"
    & skf18("8","7","10","2","7","2","1") = "9"
    & skf18("8","7","10","2","7","3","1") = "9"
    & skf18("8","7","10","2","7","4","1") = "9"
    & skf18("8","7","10","2","7","5","1") = "9"
    & skf18("8","7","10","2","7","6","1") = "9"
    & skf18("8","7","10","2","7","7","1") = "9"
    & skf18("8","7","10","2","7","8","1") = "9"
    & skf18("8","7","10","2","7","9","1") = "9"
    & skf18("8","7","10","2","7","10","1") = "9"
    & skf18("8","7","10","2","8","1","1") = "9"
    & skf18("8","7","10","2","8","2","1") = "9"
    & skf18("8","7","10","2","8","3","1") = "9"
    & skf18("8","7","10","2","8","4","1") = "9"
    & skf18("8","7","10","2","8","5","1") = "9"
    & skf18("8","7","10","2","8","6","1") = "9"
    & skf18("8","7","10","2","8","7","1") = "9"
    & skf18("8","7","10","2","8","8","1") = "9"
    & skf18("8","7","10","2","8","9","1") = "9"
    & skf18("8","7","10","2","8","10","1") = "9"
    & skf18("8","7","10","2","9","1","1") = "9"
    & skf18("8","7","10","2","9","2","1") = "9"
    & skf18("8","7","10","2","9","3","1") = "9"
    & skf18("8","7","10","2","9","4","1") = "9"
    & skf18("8","7","10","2","9","5","1") = "9"
    & skf18("8","7","10","2","9","6","1") = "9"
    & skf18("8","7","10","2","9","7","1") = "9"
    & skf18("8","7","10","2","9","8","1") = "9"
    & skf18("8","7","10","2","9","9","1") = "9"
    & skf18("8","7","10","2","9","10","1") = "9"
    & skf18("8","7","10","2","10","1","1") = "9"
    & skf18("8","7","10","2","10","2","1") = "9"
    & skf18("8","7","10","2","10","3","1") = "9"
    & skf18("8","7","10","2","10","4","1") = "9"
    & skf18("8","7","10","2","10","5","1") = "9"
    & skf18("8","7","10","2","10","6","1") = "9"
    & skf18("8","7","10","2","10","7","1") = "9"
    & skf18("8","7","10","2","10","8","1") = "9"
    & skf18("8","7","10","2","10","9","1") = "9"
    & skf18("8","7","10","2","10","10","1") = "9"
    & skf18("8","7","10","3","1","1","1") = "9"
    & skf18("8","7","10","3","1","2","1") = "9"
    & skf18("8","7","10","3","1","3","1") = "9"
    & skf18("8","7","10","3","1","4","1") = "9"
    & skf18("8","7","10","3","1","5","1") = "9"
    & skf18("8","7","10","3","1","6","1") = "9"
    & skf18("8","7","10","3","1","7","1") = "9"
    & skf18("8","7","10","3","1","8","1") = "9"
    & skf18("8","7","10","3","1","9","1") = "9"
    & skf18("8","7","10","3","1","10","1") = "9"
    & skf18("8","7","10","3","2","1","1") = "9"
    & skf18("8","7","10","3","2","2","1") = "9"
    & skf18("8","7","10","3","2","3","1") = "9"
    & skf18("8","7","10","3","2","4","1") = "9"
    & skf18("8","7","10","3","2","5","1") = "9"
    & skf18("8","7","10","3","2","6","1") = "9"
    & skf18("8","7","10","3","2","7","1") = "9"
    & skf18("8","7","10","3","2","8","1") = "9"
    & skf18("8","7","10","3","2","9","1") = "9"
    & skf18("8","7","10","3","2","10","1") = "9"
    & skf18("8","7","10","3","3","1","1") = "9"
    & skf18("8","7","10","3","3","2","1") = "9"
    & skf18("8","7","10","3","3","3","1") = "9"
    & skf18("8","7","10","3","3","4","1") = "9"
    & skf18("8","7","10","3","3","5","1") = "9"
    & skf18("8","7","10","3","3","6","1") = "9"
    & skf18("8","7","10","3","3","7","1") = "9"
    & skf18("8","7","10","3","3","8","1") = "9"
    & skf18("8","7","10","3","3","9","1") = "9"
    & skf18("8","7","10","3","3","10","1") = "9"
    & skf18("8","7","10","3","4","1","1") = "9"
    & skf18("8","7","10","3","4","2","1") = "9"
    & skf18("8","7","10","3","4","3","1") = "9"
    & skf18("8","7","10","3","4","4","1") = "9"
    & skf18("8","7","10","3","4","5","1") = "9"
    & skf18("8","7","10","3","4","6","1") = "9"
    & skf18("8","7","10","3","4","7","1") = "9"
    & skf18("8","7","10","3","4","8","1") = "9"
    & skf18("8","7","10","3","4","9","1") = "9"
    & skf18("8","7","10","3","4","10","1") = "9"
    & skf18("8","7","10","3","5","1","1") = "9"
    & skf18("8","7","10","3","5","2","1") = "9"
    & skf18("8","7","10","3","5","3","1") = "9"
    & skf18("8","7","10","3","5","4","1") = "9"
    & skf18("8","7","10","3","5","5","1") = "9"
    & skf18("8","7","10","3","5","6","1") = "9"
    & skf18("8","7","10","3","5","7","1") = "9"
    & skf18("8","7","10","3","5","8","1") = "9"
    & skf18("8","7","10","3","5","9","1") = "9"
    & skf18("8","7","10","3","5","10","1") = "9"
    & skf18("8","7","10","3","6","1","1") = "9"
    & skf18("8","7","10","3","6","2","1") = "9"
    & skf18("8","7","10","3","6","3","1") = "9"
    & skf18("8","7","10","3","6","4","1") = "9"
    & skf18("8","7","10","3","6","5","1") = "9"
    & skf18("8","7","10","3","6","6","1") = "9"
    & skf18("8","7","10","3","6","7","1") = "9"
    & skf18("8","7","10","3","6","8","1") = "9"
    & skf18("8","7","10","3","6","9","1") = "9"
    & skf18("8","7","10","3","6","10","1") = "9"
    & skf18("8","7","10","3","7","1","1") = "9"
    & skf18("8","7","10","3","7","2","1") = "9"
    & skf18("8","7","10","3","7","3","1") = "9"
    & skf18("8","7","10","3","7","4","1") = "9"
    & skf18("8","7","10","3","7","5","1") = "9"
    & skf18("8","7","10","3","7","6","1") = "9"
    & skf18("8","7","10","3","7","7","1") = "9"
    & skf18("8","7","10","3","7","8","1") = "9"
    & skf18("8","7","10","3","7","9","1") = "9"
    & skf18("8","7","10","3","7","10","1") = "9"
    & skf18("8","7","10","3","8","1","1") = "9"
    & skf18("8","7","10","3","8","2","1") = "9"
    & skf18("8","7","10","3","8","3","1") = "9"
    & skf18("8","7","10","3","8","4","1") = "9"
    & skf18("8","7","10","3","8","5","1") = "9"
    & skf18("8","7","10","3","8","6","1") = "9"
    & skf18("8","7","10","3","8","7","1") = "9"
    & skf18("8","7","10","3","8","8","1") = "9"
    & skf18("8","7","10","3","8","9","1") = "9"
    & skf18("8","7","10","3","8","10","1") = "9"
    & skf18("8","7","10","3","9","1","1") = "9"
    & skf18("8","7","10","3","9","2","1") = "9"
    & skf18("8","7","10","3","9","3","1") = "9"
    & skf18("8","7","10","3","9","4","1") = "9"
    & skf18("8","7","10","3","9","5","1") = "9"
    & skf18("8","7","10","3","9","6","1") = "9"
    & skf18("8","7","10","3","9","7","1") = "9"
    & skf18("8","7","10","3","9","8","1") = "9"
    & skf18("8","7","10","3","9","9","1") = "9"
    & skf18("8","7","10","3","9","10","1") = "9"
    & skf18("8","7","10","3","10","1","1") = "9"
    & skf18("8","7","10","3","10","2","1") = "9"
    & skf18("8","7","10","3","10","3","1") = "9"
    & skf18("8","7","10","3","10","4","1") = "9"
    & skf18("8","7","10","3","10","5","1") = "9"
    & skf18("8","7","10","3","10","6","1") = "9"
    & skf18("8","7","10","3","10","7","1") = "9"
    & skf18("8","7","10","3","10","8","1") = "9"
    & skf18("8","7","10","3","10","9","1") = "9"
    & skf18("8","7","10","3","10","10","1") = "9"
    & skf18("8","7","10","4","1","1","1") = "9"
    & skf18("8","7","10","4","1","2","1") = "9"
    & skf18("8","7","10","4","1","3","1") = "9"
    & skf18("8","7","10","4","1","4","1") = "9"
    & skf18("8","7","10","4","1","5","1") = "9"
    & skf18("8","7","10","4","1","6","1") = "9"
    & skf18("8","7","10","4","1","7","1") = "9"
    & skf18("8","7","10","4","1","8","1") = "9"
    & skf18("8","7","10","4","1","9","1") = "9"
    & skf18("8","7","10","4","1","10","1") = "9"
    & skf18("8","7","10","4","2","1","1") = "9"
    & skf18("8","7","10","4","2","2","1") = "9"
    & skf18("8","7","10","4","2","3","1") = "9"
    & skf18("8","7","10","4","2","4","1") = "9"
    & skf18("8","7","10","4","2","5","1") = "9"
    & skf18("8","7","10","4","2","6","1") = "9"
    & skf18("8","7","10","4","2","7","1") = "9"
    & skf18("8","7","10","4","2","8","1") = "9"
    & skf18("8","7","10","4","2","9","1") = "9"
    & skf18("8","7","10","4","2","10","1") = "9"
    & skf18("8","7","10","4","3","1","1") = "9"
    & skf18("8","7","10","4","3","2","1") = "9"
    & skf18("8","7","10","4","3","3","1") = "9"
    & skf18("8","7","10","4","3","4","1") = "9"
    & skf18("8","7","10","4","3","5","1") = "9"
    & skf18("8","7","10","4","3","6","1") = "9"
    & skf18("8","7","10","4","3","7","1") = "9"
    & skf18("8","7","10","4","3","8","1") = "9"
    & skf18("8","7","10","4","3","9","1") = "9"
    & skf18("8","7","10","4","3","10","1") = "9"
    & skf18("8","7","10","4","4","1","1") = "9"
    & skf18("8","7","10","4","4","2","1") = "9"
    & skf18("8","7","10","4","4","3","1") = "9"
    & skf18("8","7","10","4","4","4","1") = "9"
    & skf18("8","7","10","4","4","5","1") = "9"
    & skf18("8","7","10","4","4","6","1") = "9"
    & skf18("8","7","10","4","4","7","1") = "9"
    & skf18("8","7","10","4","4","8","1") = "9"
    & skf18("8","7","10","4","4","9","1") = "9"
    & skf18("8","7","10","4","4","10","1") = "9"
    & skf18("8","7","10","4","5","1","1") = "9"
    & skf18("8","7","10","4","5","2","1") = "9"
    & skf18("8","7","10","4","5","3","1") = "9"
    & skf18("8","7","10","4","5","4","1") = "9"
    & skf18("8","7","10","4","5","5","1") = "9"
    & skf18("8","7","10","4","5","6","1") = "9"
    & skf18("8","7","10","4","5","7","1") = "9"
    & skf18("8","7","10","4","5","8","1") = "9"
    & skf18("8","7","10","4","5","9","1") = "9"
    & skf18("8","7","10","4","5","10","1") = "9"
    & skf18("8","7","10","4","6","1","1") = "9"
    & skf18("8","7","10","4","6","2","1") = "9"
    & skf18("8","7","10","4","6","3","1") = "9"
    & skf18("8","7","10","4","6","4","1") = "9"
    & skf18("8","7","10","4","6","5","1") = "9"
    & skf18("8","7","10","4","6","6","1") = "9"
    & skf18("8","7","10","4","6","7","1") = "9"
    & skf18("8","7","10","4","6","8","1") = "9"
    & skf18("8","7","10","4","6","9","1") = "9"
    & skf18("8","7","10","4","6","10","1") = "9"
    & skf18("8","7","10","4","7","1","1") = "9"
    & skf18("8","7","10","4","7","2","1") = "9"
    & skf18("8","7","10","4","7","3","1") = "9"
    & skf18("8","7","10","4","7","4","1") = "9"
    & skf18("8","7","10","4","7","5","1") = "9"
    & skf18("8","7","10","4","7","6","1") = "9"
    & skf18("8","7","10","4","7","7","1") = "9"
    & skf18("8","7","10","4","7","8","1") = "9"
    & skf18("8","7","10","4","7","9","1") = "9"
    & skf18("8","7","10","4","7","10","1") = "9"
    & skf18("8","7","10","4","8","1","1") = "9"
    & skf18("8","7","10","4","8","2","1") = "9"
    & skf18("8","7","10","4","8","3","1") = "9"
    & skf18("8","7","10","4","8","4","1") = "9"
    & skf18("8","7","10","4","8","5","1") = "9"
    & skf18("8","7","10","4","8","6","1") = "9"
    & skf18("8","7","10","4","8","7","1") = "9"
    & skf18("8","7","10","4","8","8","1") = "9"
    & skf18("8","7","10","4","8","9","1") = "9"
    & skf18("8","7","10","4","8","10","1") = "9"
    & skf18("8","7","10","4","9","1","1") = "9"
    & skf18("8","7","10","4","9","2","1") = "9"
    & skf18("8","7","10","4","9","3","1") = "9"
    & skf18("8","7","10","4","9","4","1") = "9"
    & skf18("8","7","10","4","9","5","1") = "9"
    & skf18("8","7","10","4","9","6","1") = "9"
    & skf18("8","7","10","4","9","7","1") = "9"
    & skf18("8","7","10","4","9","8","1") = "9"
    & skf18("8","7","10","4","9","9","1") = "9"
    & skf18("8","7","10","4","9","10","1") = "9"
    & skf18("8","7","10","4","10","1","1") = "9"
    & skf18("8","7","10","4","10","2","1") = "9"
    & skf18("8","7","10","4","10","3","1") = "9"
    & skf18("8","7","10","4","10","4","1") = "9"
    & skf18("8","7","10","4","10","5","1") = "9"
    & skf18("8","7","10","4","10","6","1") = "9"
    & skf18("8","7","10","4","10","7","1") = "9"
    & skf18("8","7","10","4","10","8","1") = "9"
    & skf18("8","7","10","4","10","9","1") = "9"
    & skf18("8","7","10","4","10","10","1") = "9"
    & skf18("8","7","10","5","1","1","1") = "9"
    & skf18("8","7","10","5","1","2","1") = "9"
    & skf18("8","7","10","5","1","3","1") = "9"
    & skf18("8","7","10","5","1","4","1") = "9"
    & skf18("8","7","10","5","1","5","1") = "9"
    & skf18("8","7","10","5","1","6","1") = "9"
    & skf18("8","7","10","5","1","7","1") = "9"
    & skf18("8","7","10","5","1","8","1") = "9"
    & skf18("8","7","10","5","1","9","1") = "9"
    & skf18("8","7","10","5","1","10","1") = "9"
    & skf18("8","7","10","5","2","1","1") = "9"
    & skf18("8","7","10","5","2","2","1") = "9"
    & skf18("8","7","10","5","2","3","1") = "9"
    & skf18("8","7","10","5","2","4","1") = "9"
    & skf18("8","7","10","5","2","5","1") = "9"
    & skf18("8","7","10","5","2","6","1") = "9"
    & skf18("8","7","10","5","2","7","1") = "9"
    & skf18("8","7","10","5","2","8","1") = "9"
    & skf18("8","7","10","5","2","9","1") = "9"
    & skf18("8","7","10","5","2","10","1") = "9"
    & skf18("8","7","10","5","3","1","1") = "9"
    & skf18("8","7","10","5","3","2","1") = "9"
    & skf18("8","7","10","5","3","3","1") = "9"
    & skf18("8","7","10","5","3","4","1") = "9"
    & skf18("8","7","10","5","3","5","1") = "9"
    & skf18("8","7","10","5","3","6","1") = "9"
    & skf18("8","7","10","5","3","7","1") = "9"
    & skf18("8","7","10","5","3","8","1") = "9"
    & skf18("8","7","10","5","3","9","1") = "9"
    & skf18("8","7","10","5","3","10","1") = "9"
    & skf18("8","7","10","5","4","1","1") = "9"
    & skf18("8","7","10","5","4","2","1") = "9"
    & skf18("8","7","10","5","4","3","1") = "9"
    & skf18("8","7","10","5","4","4","1") = "9"
    & skf18("8","7","10","5","4","5","1") = "9"
    & skf18("8","7","10","5","4","6","1") = "9"
    & skf18("8","7","10","5","4","7","1") = "9"
    & skf18("8","7","10","5","4","8","1") = "9"
    & skf18("8","7","10","5","4","9","1") = "9"
    & skf18("8","7","10","5","4","10","1") = "9"
    & skf18("8","7","10","5","5","1","1") = "9"
    & skf18("8","7","10","5","5","2","1") = "9"
    & skf18("8","7","10","5","5","3","1") = "9"
    & skf18("8","7","10","5","5","4","1") = "9"
    & skf18("8","7","10","5","5","5","1") = "9"
    & skf18("8","7","10","5","5","6","1") = "9"
    & skf18("8","7","10","5","5","7","1") = "9"
    & skf18("8","7","10","5","5","8","1") = "9"
    & skf18("8","7","10","5","5","9","1") = "9"
    & skf18("8","7","10","5","5","10","1") = "9"
    & skf18("8","7","10","5","6","1","1") = "9"
    & skf18("8","7","10","5","6","2","1") = "9"
    & skf18("8","7","10","5","6","3","1") = "9"
    & skf18("8","7","10","5","6","4","1") = "9"
    & skf18("8","7","10","5","6","5","1") = "9"
    & skf18("8","7","10","5","6","6","1") = "9"
    & skf18("8","7","10","5","6","7","1") = "9"
    & skf18("8","7","10","5","6","8","1") = "9"
    & skf18("8","7","10","5","6","9","1") = "9"
    & skf18("8","7","10","5","6","10","1") = "9"
    & skf18("8","7","10","5","7","1","1") = "9"
    & skf18("8","7","10","5","7","2","1") = "9"
    & skf18("8","7","10","5","7","3","1") = "9"
    & skf18("8","7","10","5","7","4","1") = "9"
    & skf18("8","7","10","5","7","5","1") = "9"
    & skf18("8","7","10","5","7","6","1") = "9"
    & skf18("8","7","10","5","7","7","1") = "9"
    & skf18("8","7","10","5","7","8","1") = "9"
    & skf18("8","7","10","5","7","9","1") = "9"
    & skf18("8","7","10","5","7","10","1") = "9"
    & skf18("8","7","10","5","8","1","1") = "9"
    & skf18("8","7","10","5","8","2","1") = "9"
    & skf18("8","7","10","5","8","3","1") = "9"
    & skf18("8","7","10","5","8","4","1") = "9"
    & skf18("8","7","10","5","8","5","1") = "9"
    & skf18("8","7","10","5","8","6","1") = "9"
    & skf18("8","7","10","5","8","7","1") = "9"
    & skf18("8","7","10","5","8","8","1") = "9"
    & skf18("8","7","10","5","8","9","1") = "9"
    & skf18("8","7","10","5","8","10","1") = "9"
    & skf18("8","7","10","5","9","1","1") = "9"
    & skf18("8","7","10","5","9","2","1") = "9"
    & skf18("8","7","10","5","9","3","1") = "9"
    & skf18("8","7","10","5","9","4","1") = "9"
    & skf18("8","7","10","5","9","5","1") = "9"
    & skf18("8","7","10","5","9","6","1") = "9"
    & skf18("8","7","10","5","9","7","1") = "9"
    & skf18("8","7","10","5","9","8","1") = "9"
    & skf18("8","7","10","5","9","9","1") = "9"
    & skf18("8","7","10","5","9","10","1") = "9"
    & skf18("8","7","10","5","10","1","1") = "9"
    & skf18("8","7","10","5","10","2","1") = "9"
    & skf18("8","7","10","5","10","3","1") = "9"
    & skf18("8","7","10","5","10","4","1") = "9"
    & skf18("8","7","10","5","10","5","1") = "9"
    & skf18("8","7","10","5","10","6","1") = "9"
    & skf18("8","7","10","5","10","7","1") = "9"
    & skf18("8","7","10","5","10","8","1") = "9"
    & skf18("8","7","10","5","10","9","1") = "9"
    & skf18("8","7","10","5","10","10","1") = "9"
    & skf18("8","7","10","6","1","1","1") = "9"
    & skf18("8","7","10","6","1","2","1") = "9"
    & skf18("8","7","10","6","1","3","1") = "9"
    & skf18("8","7","10","6","1","4","1") = "9"
    & skf18("8","7","10","6","1","5","1") = "9"
    & skf18("8","7","10","6","1","6","1") = "9"
    & skf18("8","7","10","6","1","7","1") = "9"
    & skf18("8","7","10","6","1","8","1") = "9"
    & skf18("8","7","10","6","1","9","1") = "9"
    & skf18("8","7","10","6","1","10","1") = "9"
    & skf18("8","7","10","6","2","1","1") = "9"
    & skf18("8","7","10","6","2","2","1") = "9"
    & skf18("8","7","10","6","2","3","1") = "9"
    & skf18("8","7","10","6","2","4","1") = "9"
    & skf18("8","7","10","6","2","5","1") = "9"
    & skf18("8","7","10","6","2","6","1") = "9"
    & skf18("8","7","10","6","2","7","1") = "9"
    & skf18("8","7","10","6","2","8","1") = "9"
    & skf18("8","7","10","6","2","9","1") = "9"
    & skf18("8","7","10","6","2","10","1") = "9"
    & skf18("8","7","10","6","3","1","1") = "9"
    & skf18("8","7","10","6","3","2","1") = "9"
    & skf18("8","7","10","6","3","3","1") = "9"
    & skf18("8","7","10","6","3","4","1") = "9"
    & skf18("8","7","10","6","3","5","1") = "9"
    & skf18("8","7","10","6","3","6","1") = "9"
    & skf18("8","7","10","6","3","7","1") = "9"
    & skf18("8","7","10","6","3","8","1") = "9"
    & skf18("8","7","10","6","3","9","1") = "9"
    & skf18("8","7","10","6","3","10","1") = "9"
    & skf18("8","7","10","6","4","1","1") = "9"
    & skf18("8","7","10","6","4","2","1") = "9"
    & skf18("8","7","10","6","4","3","1") = "9"
    & skf18("8","7","10","6","4","4","1") = "9"
    & skf18("8","7","10","6","4","5","1") = "9"
    & skf18("8","7","10","6","4","6","1") = "9"
    & skf18("8","7","10","6","4","7","1") = "9"
    & skf18("8","7","10","6","4","8","1") = "9"
    & skf18("8","7","10","6","4","9","1") = "9"
    & skf18("8","7","10","6","4","10","1") = "9"
    & skf18("8","7","10","6","5","1","1") = "9"
    & skf18("8","7","10","6","5","2","1") = "9"
    & skf18("8","7","10","6","5","3","1") = "9"
    & skf18("8","7","10","6","5","4","1") = "9"
    & skf18("8","7","10","6","5","5","1") = "9"
    & skf18("8","7","10","6","5","6","1") = "9"
    & skf18("8","7","10","6","5","7","1") = "9"
    & skf18("8","7","10","6","5","8","1") = "9"
    & skf18("8","7","10","6","5","9","1") = "9"
    & skf18("8","7","10","6","5","10","1") = "9"
    & skf18("8","7","10","6","6","1","1") = "9"
    & skf18("8","7","10","6","6","2","1") = "9"
    & skf18("8","7","10","6","6","3","1") = "9"
    & skf18("8","7","10","6","6","4","1") = "9"
    & skf18("8","7","10","6","6","5","1") = "9"
    & skf18("8","7","10","6","6","6","1") = "9"
    & skf18("8","7","10","6","6","7","1") = "9"
    & skf18("8","7","10","6","6","8","1") = "9"
    & skf18("8","7","10","6","6","9","1") = "9"
    & skf18("8","7","10","6","6","10","1") = "9"
    & skf18("8","7","10","6","7","1","1") = "9"
    & skf18("8","7","10","6","7","2","1") = "9"
    & skf18("8","7","10","6","7","3","1") = "9"
    & skf18("8","7","10","6","7","4","1") = "9"
    & skf18("8","7","10","6","7","5","1") = "9"
    & skf18("8","7","10","6","7","6","1") = "9"
    & skf18("8","7","10","6","7","7","1") = "9"
    & skf18("8","7","10","6","7","8","1") = "9"
    & skf18("8","7","10","6","7","9","1") = "9"
    & skf18("8","7","10","6","7","10","1") = "9"
    & skf18("8","7","10","6","8","1","1") = "9"
    & skf18("8","7","10","6","8","2","1") = "9"
    & skf18("8","7","10","6","8","3","1") = "9"
    & skf18("8","7","10","6","8","4","1") = "9"
    & skf18("8","7","10","6","8","5","1") = "9"
    & skf18("8","7","10","6","8","6","1") = "9"
    & skf18("8","7","10","6","8","7","1") = "9"
    & skf18("8","7","10","6","8","8","1") = "9"
    & skf18("8","7","10","6","8","9","1") = "9"
    & skf18("8","7","10","6","8","10","1") = "9"
    & skf18("8","7","10","6","9","1","1") = "9"
    & skf18("8","7","10","6","9","2","1") = "9"
    & skf18("8","7","10","6","9","3","1") = "9"
    & skf18("8","7","10","6","9","4","1") = "9"
    & skf18("8","7","10","6","9","5","1") = "9"
    & skf18("8","7","10","6","9","6","1") = "9"
    & skf18("8","7","10","6","9","7","1") = "9"
    & skf18("8","7","10","6","9","8","1") = "9"
    & skf18("8","7","10","6","9","9","1") = "9"
    & skf18("8","7","10","6","9","10","1") = "9"
    & skf18("8","7","10","6","10","1","1") = "9"
    & skf18("8","7","10","6","10","2","1") = "9"
    & skf18("8","7","10","6","10","3","1") = "9"
    & skf18("8","7","10","6","10","4","1") = "9"
    & skf18("8","7","10","6","10","5","1") = "9"
    & skf18("8","7","10","6","10","6","1") = "9"
    & skf18("8","7","10","6","10","7","1") = "9"
    & skf18("8","7","10","6","10","8","1") = "9"
    & skf18("8","7","10","6","10","9","1") = "9"
    & skf18("8","7","10","6","10","10","1") = "9"
    & skf18("8","7","10","7","1","1","1") = "9"
    & skf18("8","7","10","7","1","2","1") = "9"
    & skf18("8","7","10","7","1","3","1") = "9"
    & skf18("8","7","10","7","1","4","1") = "9"
    & skf18("8","7","10","7","1","5","1") = "9"
    & skf18("8","7","10","7","1","6","1") = "9"
    & skf18("8","7","10","7","1","7","1") = "9"
    & skf18("8","7","10","7","1","8","1") = "9"
    & skf18("8","7","10","7","1","9","1") = "9"
    & skf18("8","7","10","7","1","10","1") = "9"
    & skf18("8","7","10","7","2","1","1") = "9"
    & skf18("8","7","10","7","2","2","1") = "9"
    & skf18("8","7","10","7","2","3","1") = "9"
    & skf18("8","7","10","7","2","4","1") = "9"
    & skf18("8","7","10","7","2","5","1") = "9"
    & skf18("8","7","10","7","2","6","1") = "9"
    & skf18("8","7","10","7","2","7","1") = "9"
    & skf18("8","7","10","7","2","8","1") = "9"
    & skf18("8","7","10","7","2","9","1") = "9"
    & skf18("8","7","10","7","2","10","1") = "9"
    & skf18("8","7","10","7","3","1","1") = "9"
    & skf18("8","7","10","7","3","2","1") = "9"
    & skf18("8","7","10","7","3","3","1") = "9"
    & skf18("8","7","10","7","3","4","1") = "9"
    & skf18("8","7","10","7","3","5","1") = "9"
    & skf18("8","7","10","7","3","6","1") = "9"
    & skf18("8","7","10","7","3","7","1") = "9"
    & skf18("8","7","10","7","3","8","1") = "9"
    & skf18("8","7","10","7","3","9","1") = "9"
    & skf18("8","7","10","7","3","10","1") = "9"
    & skf18("8","7","10","7","4","1","1") = "9"
    & skf18("8","7","10","7","4","2","1") = "9"
    & skf18("8","7","10","7","4","3","1") = "9"
    & skf18("8","7","10","7","4","4","1") = "9"
    & skf18("8","7","10","7","4","5","1") = "9"
    & skf18("8","7","10","7","4","6","1") = "9"
    & skf18("8","7","10","7","4","7","1") = "9"
    & skf18("8","7","10","7","4","8","1") = "9"
    & skf18("8","7","10","7","4","9","1") = "9"
    & skf18("8","7","10","7","4","10","1") = "9"
    & skf18("8","7","10","7","5","1","1") = "9"
    & skf18("8","7","10","7","5","2","1") = "9"
    & skf18("8","7","10","7","5","3","1") = "9"
    & skf18("8","7","10","7","5","4","1") = "9"
    & skf18("8","7","10","7","5","5","1") = "9"
    & skf18("8","7","10","7","5","6","1") = "9"
    & skf18("8","7","10","7","5","7","1") = "9"
    & skf18("8","7","10","7","5","8","1") = "9"
    & skf18("8","7","10","7","5","9","1") = "9"
    & skf18("8","7","10","7","5","10","1") = "9"
    & skf18("8","7","10","7","6","1","1") = "9"
    & skf18("8","7","10","7","6","2","1") = "9"
    & skf18("8","7","10","7","6","3","1") = "9"
    & skf18("8","7","10","7","6","4","1") = "9"
    & skf18("8","7","10","7","6","5","1") = "9"
    & skf18("8","7","10","7","6","6","1") = "9"
    & skf18("8","7","10","7","6","7","1") = "9"
    & skf18("8","7","10","7","6","8","1") = "9"
    & skf18("8","7","10","7","6","9","1") = "9"
    & skf18("8","7","10","7","6","10","1") = "9"
    & skf18("8","7","10","7","7","1","1") = "9"
    & skf18("8","7","10","7","7","2","1") = "9"
    & skf18("8","7","10","7","7","3","1") = "9"
    & skf18("8","7","10","7","7","4","1") = "9"
    & skf18("8","7","10","7","7","5","1") = "9"
    & skf18("8","7","10","7","7","6","1") = "9"
    & skf18("8","7","10","7","7","7","1") = "9"
    & skf18("8","7","10","7","7","8","1") = "9"
    & skf18("8","7","10","7","7","9","1") = "9"
    & skf18("8","7","10","7","7","10","1") = "9"
    & skf18("8","7","10","7","8","1","1") = "9"
    & skf18("8","7","10","7","8","2","1") = "9"
    & skf18("8","7","10","7","8","3","1") = "9"
    & skf18("8","7","10","7","8","4","1") = "9"
    & skf18("8","7","10","7","8","5","1") = "9"
    & skf18("8","7","10","7","8","6","1") = "9"
    & skf18("8","7","10","7","8","7","1") = "9"
    & skf18("8","7","10","7","8","8","1") = "9"
    & skf18("8","7","10","7","8","9","1") = "9"
    & skf18("8","7","10","7","8","10","1") = "9"
    & skf18("8","7","10","7","9","1","1") = "9"
    & skf18("8","7","10","7","9","2","1") = "9"
    & skf18("8","7","10","7","9","3","1") = "9"
    & skf18("8","7","10","7","9","4","1") = "9"
    & skf18("8","7","10","7","9","5","1") = "9"
    & skf18("8","7","10","7","9","6","1") = "9"
    & skf18("8","7","10","7","9","7","1") = "9"
    & skf18("8","7","10","7","9","8","1") = "9"
    & skf18("8","7","10","7","9","9","1") = "9"
    & skf18("8","7","10","7","9","10","1") = "9"
    & skf18("8","7","10","7","10","1","1") = "9"
    & skf18("8","7","10","7","10","2","1") = "9"
    & skf18("8","7","10","7","10","3","1") = "9"
    & skf18("8","7","10","7","10","4","1") = "9"
    & skf18("8","7","10","7","10","5","1") = "9"
    & skf18("8","7","10","7","10","6","1") = "9"
    & skf18("8","7","10","7","10","7","1") = "9"
    & skf18("8","7","10","7","10","8","1") = "9"
    & skf18("8","7","10","7","10","9","1") = "9"
    & skf18("8","7","10","7","10","10","1") = "9"
    & skf18("8","7","10","8","1","1","1") = "9"
    & skf18("8","7","10","8","1","2","1") = "9"
    & skf18("8","7","10","8","1","3","1") = "9"
    & skf18("8","7","10","8","1","4","1") = "9"
    & skf18("8","7","10","8","1","5","1") = "9"
    & skf18("8","7","10","8","1","6","1") = "9"
    & skf18("8","7","10","8","1","7","1") = "9"
    & skf18("8","7","10","8","1","8","1") = "9"
    & skf18("8","7","10","8","1","9","1") = "9"
    & skf18("8","7","10","8","1","10","1") = "9"
    & skf18("8","7","10","8","2","1","1") = "9"
    & skf18("8","7","10","8","2","2","1") = "9"
    & skf18("8","7","10","8","2","3","1") = "9"
    & skf18("8","7","10","8","2","4","1") = "9"
    & skf18("8","7","10","8","2","5","1") = "9"
    & skf18("8","7","10","8","2","6","1") = "9"
    & skf18("8","7","10","8","2","7","1") = "9"
    & skf18("8","7","10","8","2","8","1") = "9"
    & skf18("8","7","10","8","2","9","1") = "9"
    & skf18("8","7","10","8","2","10","1") = "9"
    & skf18("8","7","10","8","3","1","1") = "9"
    & skf18("8","7","10","8","3","2","1") = "9"
    & skf18("8","7","10","8","3","3","1") = "9"
    & skf18("8","7","10","8","3","4","1") = "9"
    & skf18("8","7","10","8","3","5","1") = "9"
    & skf18("8","7","10","8","3","6","1") = "9"
    & skf18("8","7","10","8","3","7","1") = "9"
    & skf18("8","7","10","8","3","8","1") = "9"
    & skf18("8","7","10","8","3","9","1") = "9"
    & skf18("8","7","10","8","3","10","1") = "9"
    & skf18("8","7","10","8","4","1","1") = "9"
    & skf18("8","7","10","8","4","2","1") = "9"
    & skf18("8","7","10","8","4","3","1") = "9"
    & skf18("8","7","10","8","4","4","1") = "9"
    & skf18("8","7","10","8","4","5","1") = "9"
    & skf18("8","7","10","8","4","6","1") = "9"
    & skf18("8","7","10","8","4","7","1") = "9"
    & skf18("8","7","10","8","4","8","1") = "9"
    & skf18("8","7","10","8","4","9","1") = "9"
    & skf18("8","7","10","8","4","10","1") = "9"
    & skf18("8","7","10","8","5","1","1") = "9"
    & skf18("8","7","10","8","5","2","1") = "9"
    & skf18("8","7","10","8","5","3","1") = "9"
    & skf18("8","7","10","8","5","4","1") = "9"
    & skf18("8","7","10","8","5","5","1") = "9"
    & skf18("8","7","10","8","5","6","1") = "9"
    & skf18("8","7","10","8","5","7","1") = "9"
    & skf18("8","7","10","8","5","8","1") = "9"
    & skf18("8","7","10","8","5","9","1") = "9"
    & skf18("8","7","10","8","5","10","1") = "9"
    & skf18("8","7","10","8","6","1","1") = "9"
    & skf18("8","7","10","8","6","2","1") = "9"
    & skf18("8","7","10","8","6","3","1") = "9"
    & skf18("8","7","10","8","6","4","1") = "9"
    & skf18("8","7","10","8","6","5","1") = "9"
    & skf18("8","7","10","8","6","6","1") = "9"
    & skf18("8","7","10","8","6","7","1") = "9"
    & skf18("8","7","10","8","6","8","1") = "9"
    & skf18("8","7","10","8","6","9","1") = "9"
    & skf18("8","7","10","8","6","10","1") = "9"
    & skf18("8","7","10","8","7","1","1") = "9"
    & skf18("8","7","10","8","7","2","1") = "9"
    & skf18("8","7","10","8","7","3","1") = "9"
    & skf18("8","7","10","8","7","4","1") = "9"
    & skf18("8","7","10","8","7","5","1") = "9"
    & skf18("8","7","10","8","7","6","1") = "9"
    & skf18("8","7","10","8","7","7","1") = "9"
    & skf18("8","7","10","8","7","8","1") = "9"
    & skf18("8","7","10","8","7","9","1") = "9"
    & skf18("8","7","10","8","7","10","1") = "9"
    & skf18("8","7","10","8","8","1","1") = "9"
    & skf18("8","7","10","8","8","2","1") = "9"
    & skf18("8","7","10","8","8","3","1") = "9"
    & skf18("8","7","10","8","8","4","1") = "9"
    & skf18("8","7","10","8","8","5","1") = "9"
    & skf18("8","7","10","8","8","6","1") = "9"
    & skf18("8","7","10","8","8","7","1") = "9"
    & skf18("8","7","10","8","8","8","1") = "9"
    & skf18("8","7","10","8","8","9","1") = "9"
    & skf18("8","7","10","8","8","10","1") = "9"
    & skf18("8","7","10","8","9","1","1") = "9"
    & skf18("8","7","10","8","9","2","1") = "9"
    & skf18("8","7","10","8","9","3","1") = "9"
    & skf18("8","7","10","8","9","4","1") = "9"
    & skf18("8","7","10","8","9","5","1") = "9"
    & skf18("8","7","10","8","9","6","1") = "9"
    & skf18("8","7","10","8","9","7","1") = "9"
    & skf18("8","7","10","8","9","8","1") = "9"
    & skf18("8","7","10","8","9","9","1") = "9"
    & skf18("8","7","10","8","9","10","1") = "9"
    & skf18("8","7","10","8","10","1","1") = "9"
    & skf18("8","7","10","8","10","2","1") = "9"
    & skf18("8","7","10","8","10","3","1") = "9"
    & skf18("8","7","10","8","10","4","1") = "9"
    & skf18("8","7","10","8","10","5","1") = "9"
    & skf18("8","7","10","8","10","6","1") = "9"
    & skf18("8","7","10","8","10","7","1") = "9"
    & skf18("8","7","10","8","10","8","1") = "9"
    & skf18("8","7","10","8","10","9","1") = "9"
    & skf18("8","7","10","8","10","10","1") = "9"
    & skf18("8","7","10","9","1","1","1") = "9"
    & skf18("8","7","10","9","1","2","1") = "9"
    & skf18("8","7","10","9","1","3","1") = "9"
    & skf18("8","7","10","9","1","4","1") = "9"
    & skf18("8","7","10","9","1","5","1") = "9"
    & skf18("8","7","10","9","1","6","1") = "9"
    & skf18("8","7","10","9","1","7","1") = "9"
    & skf18("8","7","10","9","1","8","1") = "9"
    & skf18("8","7","10","9","1","9","1") = "9"
    & skf18("8","7","10","9","1","10","1") = "9"
    & skf18("8","7","10","9","2","1","1") = "9"
    & skf18("8","7","10","9","2","2","1") = "9"
    & skf18("8","7","10","9","2","3","1") = "9"
    & skf18("8","7","10","9","2","4","1") = "9"
    & skf18("8","7","10","9","2","5","1") = "9"
    & skf18("8","7","10","9","2","6","1") = "9"
    & skf18("8","7","10","9","2","7","1") = "9"
    & skf18("8","7","10","9","2","8","1") = "9"
    & skf18("8","7","10","9","2","9","1") = "9"
    & skf18("8","7","10","9","2","10","1") = "9"
    & skf18("8","7","10","9","3","1","1") = "9"
    & skf18("8","7","10","9","3","2","1") = "9"
    & skf18("8","7","10","9","3","3","1") = "9"
    & skf18("8","7","10","9","3","4","1") = "9"
    & skf18("8","7","10","9","3","5","1") = "9"
    & skf18("8","7","10","9","3","6","1") = "9"
    & skf18("8","7","10","9","3","7","1") = "9"
    & skf18("8","7","10","9","3","8","1") = "9"
    & skf18("8","7","10","9","3","9","1") = "9"
    & skf18("8","7","10","9","3","10","1") = "9"
    & skf18("8","7","10","9","4","1","1") = "9"
    & skf18("8","7","10","9","4","2","1") = "9"
    & skf18("8","7","10","9","4","3","1") = "9"
    & skf18("8","7","10","9","4","4","1") = "9"
    & skf18("8","7","10","9","4","5","1") = "9"
    & skf18("8","7","10","9","4","6","1") = "9"
    & skf18("8","7","10","9","4","7","1") = "9"
    & skf18("8","7","10","9","4","8","1") = "9"
    & skf18("8","7","10","9","4","9","1") = "9"
    & skf18("8","7","10","9","4","10","1") = "9"
    & skf18("8","7","10","9","5","1","1") = "9"
    & skf18("8","7","10","9","5","2","1") = "9"
    & skf18("8","7","10","9","5","3","1") = "9"
    & skf18("8","7","10","9","5","4","1") = "9"
    & skf18("8","7","10","9","5","5","1") = "9"
    & skf18("8","7","10","9","5","6","1") = "9"
    & skf18("8","7","10","9","5","7","1") = "9"
    & skf18("8","7","10","9","5","8","1") = "9"
    & skf18("8","7","10","9","5","9","1") = "9"
    & skf18("8","7","10","9","5","10","1") = "9"
    & skf18("8","7","10","9","6","1","1") = "9"
    & skf18("8","7","10","9","6","2","1") = "9"
    & skf18("8","7","10","9","6","3","1") = "9"
    & skf18("8","7","10","9","6","4","1") = "9"
    & skf18("8","7","10","9","6","5","1") = "9"
    & skf18("8","7","10","9","6","6","1") = "9"
    & skf18("8","7","10","9","6","7","1") = "9"
    & skf18("8","7","10","9","6","8","1") = "9"
    & skf18("8","7","10","9","6","9","1") = "9"
    & skf18("8","7","10","9","6","10","1") = "9"
    & skf18("8","7","10","9","7","1","1") = "9"
    & skf18("8","7","10","9","7","2","1") = "9"
    & skf18("8","7","10","9","7","3","1") = "9"
    & skf18("8","7","10","9","7","4","1") = "9"
    & skf18("8","7","10","9","7","5","1") = "9"
    & skf18("8","7","10","9","7","6","1") = "9"
    & skf18("8","7","10","9","7","7","1") = "9"
    & skf18("8","7","10","9","7","8","1") = "9"
    & skf18("8","7","10","9","7","9","1") = "9"
    & skf18("8","7","10","9","7","10","1") = "9"
    & skf18("8","7","10","9","8","1","1") = "9"
    & skf18("8","7","10","9","8","2","1") = "9"
    & skf18("8","7","10","9","8","3","1") = "9"
    & skf18("8","7","10","9","8","4","1") = "9"
    & skf18("8","7","10","9","8","5","1") = "9"
    & skf18("8","7","10","9","8","6","1") = "9"
    & skf18("8","7","10","9","8","7","1") = "9"
    & skf18("8","7","10","9","8","8","1") = "9"
    & skf18("8","7","10","9","8","9","1") = "9"
    & skf18("8","7","10","9","8","10","1") = "9"
    & skf18("8","7","10","9","9","1","1") = "9"
    & skf18("8","7","10","9","9","2","1") = "9"
    & skf18("8","7","10","9","9","3","1") = "9"
    & skf18("8","7","10","9","9","4","1") = "9"
    & skf18("8","7","10","9","9","5","1") = "9"
    & skf18("8","7","10","9","9","6","1") = "9"
    & skf18("8","7","10","9","9","7","1") = "9"
    & skf18("8","7","10","9","9","8","1") = "9"
    & skf18("8","7","10","9","9","9","1") = "9"
    & skf18("8","7","10","9","9","10","1") = "9"
    & skf18("8","7","10","9","10","1","1") = "9"
    & skf18("8","7","10","9","10","2","1") = "9"
    & skf18("8","7","10","9","10","3","1") = "9"
    & skf18("8","7","10","9","10","4","1") = "9"
    & skf18("8","7","10","9","10","5","1") = "9"
    & skf18("8","7","10","9","10","6","1") = "9"
    & skf18("8","7","10","9","10","7","1") = "9"
    & skf18("8","7","10","9","10","8","1") = "9"
    & skf18("8","7","10","9","10","9","1") = "9"
    & skf18("8","7","10","9","10","10","1") = "9"
    & skf18("8","7","10","10","1","1","1") = "9"
    & skf18("8","7","10","10","1","2","1") = "9"
    & skf18("8","7","10","10","1","3","1") = "9"
    & skf18("8","7","10","10","1","4","1") = "9"
    & skf18("8","7","10","10","1","5","1") = "9"
    & skf18("8","7","10","10","1","6","1") = "9"
    & skf18("8","7","10","10","1","7","1") = "9"
    & skf18("8","7","10","10","1","8","1") = "9"
    & skf18("8","7","10","10","1","9","1") = "9"
    & skf18("8","7","10","10","1","10","1") = "9"
    & skf18("8","7","10","10","2","1","1") = "9"
    & skf18("8","7","10","10","2","2","1") = "9"
    & skf18("8","7","10","10","2","3","1") = "9"
    & skf18("8","7","10","10","2","4","1") = "9"
    & skf18("8","7","10","10","2","5","1") = "9"
    & skf18("8","7","10","10","2","6","1") = "9"
    & skf18("8","7","10","10","2","7","1") = "9"
    & skf18("8","7","10","10","2","8","1") = "9"
    & skf18("8","7","10","10","2","9","1") = "9"
    & skf18("8","7","10","10","2","10","1") = "9"
    & skf18("8","7","10","10","3","1","1") = "9"
    & skf18("8","7","10","10","3","2","1") = "9"
    & skf18("8","7","10","10","3","3","1") = "9"
    & skf18("8","7","10","10","3","4","1") = "9"
    & skf18("8","7","10","10","3","5","1") = "9"
    & skf18("8","7","10","10","3","6","1") = "9"
    & skf18("8","7","10","10","3","7","1") = "9"
    & skf18("8","7","10","10","3","8","1") = "9"
    & skf18("8","7","10","10","3","9","1") = "9"
    & skf18("8","7","10","10","3","10","1") = "9"
    & skf18("8","7","10","10","4","1","1") = "9"
    & skf18("8","7","10","10","4","2","1") = "9"
    & skf18("8","7","10","10","4","3","1") = "9"
    & skf18("8","7","10","10","4","4","1") = "9"
    & skf18("8","7","10","10","4","5","1") = "9"
    & skf18("8","7","10","10","4","6","1") = "9"
    & skf18("8","7","10","10","4","7","1") = "9"
    & skf18("8","7","10","10","4","8","1") = "9"
    & skf18("8","7","10","10","4","9","1") = "9"
    & skf18("8","7","10","10","4","10","1") = "9"
    & skf18("8","7","10","10","5","1","1") = "9"
    & skf18("8","7","10","10","5","2","1") = "9"
    & skf18("8","7","10","10","5","3","1") = "9"
    & skf18("8","7","10","10","5","4","1") = "9"
    & skf18("8","7","10","10","5","5","1") = "9"
    & skf18("8","7","10","10","5","6","1") = "9"
    & skf18("8","7","10","10","5","7","1") = "9"
    & skf18("8","7","10","10","5","8","1") = "9"
    & skf18("8","7","10","10","5","9","1") = "9"
    & skf18("8","7","10","10","5","10","1") = "9"
    & skf18("8","7","10","10","6","1","1") = "9"
    & skf18("8","7","10","10","6","2","1") = "9"
    & skf18("8","7","10","10","6","3","1") = "9"
    & skf18("8","7","10","10","6","4","1") = "9"
    & skf18("8","7","10","10","6","5","1") = "9"
    & skf18("8","7","10","10","6","6","1") = "9"
    & skf18("8","7","10","10","6","7","1") = "9"
    & skf18("8","7","10","10","6","8","1") = "9"
    & skf18("8","7","10","10","6","9","1") = "9"
    & skf18("8","7","10","10","6","10","1") = "9"
    & skf18("8","7","10","10","7","1","1") = "9"
    & skf18("8","7","10","10","7","2","1") = "9"
    & skf18("8","7","10","10","7","3","1") = "9"
    & skf18("8","7","10","10","7","4","1") = "9"
    & skf18("8","7","10","10","7","5","1") = "9"
    & skf18("8","7","10","10","7","6","1") = "9"
    & skf18("8","7","10","10","7","7","1") = "9"
    & skf18("8","7","10","10","7","8","1") = "9"
    & skf18("8","7","10","10","7","9","1") = "9"
    & skf18("8","7","10","10","7","10","1") = "9"
    & skf18("8","7","10","10","8","1","1") = "9"
    & skf18("8","7","10","10","8","2","1") = "9"
    & skf18("8","7","10","10","8","3","1") = "9"
    & skf18("8","7","10","10","8","4","1") = "9"
    & skf18("8","7","10","10","8","5","1") = "9"
    & skf18("8","7","10","10","8","6","1") = "9"
    & skf18("8","7","10","10","8","7","1") = "9"
    & skf18("8","7","10","10","8","8","1") = "9"
    & skf18("8","7","10","10","8","9","1") = "9"
    & skf18("8","7","10","10","8","10","1") = "9"
    & skf18("8","7","10","10","9","1","1") = "9"
    & skf18("8","7","10","10","9","2","1") = "9"
    & skf18("8","7","10","10","9","3","1") = "9"
    & skf18("8","7","10","10","9","4","1") = "9"
    & skf18("8","7","10","10","9","5","1") = "9"
    & skf18("8","7","10","10","9","6","1") = "9"
    & skf18("8","7","10","10","9","7","1") = "9"
    & skf18("8","7","10","10","9","8","1") = "9"
    & skf18("8","7","10","10","9","9","1") = "9"
    & skf18("8","7","10","10","9","10","1") = "9"
    & skf18("8","7","10","10","10","1","1") = "9"
    & skf18("8","7","10","10","10","2","1") = "9"
    & skf18("8","7","10","10","10","3","1") = "9"
    & skf18("8","7","10","10","10","4","1") = "9"
    & skf18("8","7","10","10","10","5","1") = "9"
    & skf18("8","7","10","10","10","6","1") = "9"
    & skf18("8","7","10","10","10","7","1") = "9"
    & skf18("8","7","10","10","10","8","1") = "9"
    & skf18("8","7","10","10","10","9","1") = "9"
    & skf18("8","7","10","10","10","10","1") = "9"
    & skf18("8","8","1","1","1","1","1") = "7"
    & skf18("8","8","1","1","1","2","1") = "7"
    & skf18("8","8","1","1","1","3","1") = "7"
    & skf18("8","8","1","1","1","4","1") = "7"
    & skf18("8","8","1","1","1","5","1") = "7"
    & skf18("8","8","1","1","1","6","1") = "7"
    & skf18("8","8","1","1","1","7","1") = "7"
    & skf18("8","8","1","1","1","8","1") = "7"
    & skf18("8","8","1","1","1","9","1") = "8"
    & skf18("8","8","1","1","1","10","1") = "9"
    & skf18("8","8","1","1","2","1","1") = "7"
    & skf18("8","8","1","1","2","2","1") = "7"
    & skf18("8","8","1","1","2","3","1") = "7"
    & skf18("8","8","1","1","2","4","1") = "7"
    & skf18("8","8","1","1","2","5","1") = "7"
    & skf18("8","8","1","1","2","6","1") = "7"
    & skf18("8","8","1","1","2","7","1") = "7"
    & skf18("8","8","1","1","2","8","1") = "7"
    & skf18("8","8","1","1","2","9","1") = "8"
    & skf18("8","8","1","1","2","10","1") = "9"
    & skf18("8","8","1","1","3","1","1") = "7"
    & skf18("8","8","1","1","3","2","1") = "7"
    & skf18("8","8","1","1","3","3","1") = "7"
    & skf18("8","8","1","1","3","4","1") = "7"
    & skf18("8","8","1","1","3","5","1") = "7"
    & skf18("8","8","1","1","3","6","1") = "7"
    & skf18("8","8","1","1","3","7","1") = "7"
    & skf18("8","8","1","1","3","8","1") = "7"
    & skf18("8","8","1","1","3","9","1") = "8"
    & skf18("8","8","1","1","3","10","1") = "9"
    & skf18("8","8","1","1","4","1","1") = "7"
    & skf18("8","8","1","1","4","2","1") = "7"
    & skf18("8","8","1","1","4","3","1") = "7"
    & skf18("8","8","1","1","4","4","1") = "7"
    & skf18("8","8","1","1","4","5","1") = "7"
    & skf18("8","8","1","1","4","6","1") = "7"
    & skf18("8","8","1","1","4","7","1") = "7"
    & skf18("8","8","1","1","4","8","1") = "7"
    & skf18("8","8","1","1","4","9","1") = "8"
    & skf18("8","8","1","1","4","10","1") = "9"
    & skf18("8","8","1","1","5","1","1") = "7"
    & skf18("8","8","1","1","5","2","1") = "7"
    & skf18("8","8","1","1","5","3","1") = "7"
    & skf18("8","8","1","1","5","4","1") = "7"
    & skf18("8","8","1","1","5","5","1") = "7"
    & skf18("8","8","1","1","5","6","1") = "7"
    & skf18("8","8","1","1","5","7","1") = "7"
    & skf18("8","8","1","1","5","8","1") = "7"
    & skf18("8","8","1","1","5","9","1") = "8"
    & skf18("8","8","1","1","5","10","1") = "9"
    & skf18("8","8","1","1","6","1","1") = "7"
    & skf18("8","8","1","1","6","2","1") = "7"
    & skf18("8","8","1","1","6","3","1") = "7"
    & skf18("8","8","1","1","6","4","1") = "7"
    & skf18("8","8","1","1","6","5","1") = "7"
    & skf18("8","8","1","1","6","6","1") = "7"
    & skf18("8","8","1","1","6","7","1") = "7"
    & skf18("8","8","1","1","6","8","1") = "7"
    & skf18("8","8","1","1","6","9","1") = "8"
    & skf18("8","8","1","1","6","10","1") = "9"
    & skf18("8","8","1","1","7","1","1") = "7"
    & skf18("8","8","1","1","7","2","1") = "7"
    & skf18("8","8","1","1","7","3","1") = "7"
    & skf18("8","8","1","1","7","4","1") = "7"
    & skf18("8","8","1","1","7","5","1") = "7"
    & skf18("8","8","1","1","7","6","1") = "7"
    & skf18("8","8","1","1","7","7","1") = "7"
    & skf18("8","8","1","1","7","8","1") = "7"
    & skf18("8","8","1","1","7","9","1") = "8"
    & skf18("8","8","1","1","7","10","1") = "9"
    & skf18("8","8","1","1","8","1","1") = "7"
    & skf18("8","8","1","1","8","2","1") = "7"
    & skf18("8","8","1","1","8","3","1") = "7"
    & skf18("8","8","1","1","8","4","1") = "7"
    & skf18("8","8","1","1","8","5","1") = "7"
    & skf18("8","8","1","1","8","6","1") = "7"
    & skf18("8","8","1","1","8","7","1") = "7"
    & skf18("8","8","1","1","8","8","1") = "7"
    & skf18("8","8","1","1","8","9","1") = "8"
    & skf18("8","8","1","1","8","10","1") = "9"
    & skf18("8","8","1","1","9","1","1") = "8"
    & skf18("8","8","1","1","9","2","1") = "8"
    & skf18("8","8","1","1","9","3","1") = "8"
    & skf18("8","8","1","1","9","4","1") = "8"
    & skf18("8","8","1","1","9","5","1") = "8"
    & skf18("8","8","1","1","9","6","1") = "8"
    & skf18("8","8","1","1","9","7","1") = "8"
    & skf18("8","8","1","1","9","8","1") = "8"
    & skf18("8","8","1","1","9","9","1") = "8"
    & skf18("8","8","1","1","9","10","1") = "9"
    & skf18("8","8","1","1","10","1","1") = "9"
    & skf18("8","8","1","1","10","2","1") = "9"
    & skf18("8","8","1","1","10","3","1") = "9"
    & skf18("8","8","1","1","10","4","1") = "9"
    & skf18("8","8","1","1","10","5","1") = "9"
    & skf18("8","8","1","1","10","6","1") = "9"
    & skf18("8","8","1","1","10","7","1") = "9"
    & skf18("8","8","1","1","10","8","1") = "9"
    & skf18("8","8","1","1","10","9","1") = "9"
    & skf18("8","8","1","1","10","10","1") = "9"
    & skf18("8","8","1","2","1","1","1") = "7"
    & skf18("8","8","1","2","1","2","1") = "7"
    & skf18("8","8","1","2","1","3","1") = "7"
    & skf18("8","8","1","2","1","4","1") = "7"
    & skf18("8","8","1","2","1","5","1") = "7"
    & skf18("8","8","1","2","1","6","1") = "7"
    & skf18("8","8","1","2","1","7","1") = "7"
    & skf18("8","8","1","2","1","8","1") = "7"
    & skf18("8","8","1","2","1","9","1") = "8"
    & skf18("8","8","1","2","1","10","1") = "9"
    & skf18("8","8","1","2","2","1","1") = "7"
    & skf18("8","8","1","2","2","2","1") = "7"
    & skf18("8","8","1","2","2","3","1") = "7"
    & skf18("8","8","1","2","2","4","1") = "7"
    & skf18("8","8","1","2","2","5","1") = "7"
    & skf18("8","8","1","2","2","6","1") = "7"
    & skf18("8","8","1","2","2","7","1") = "7"
    & skf18("8","8","1","2","2","8","1") = "7"
    & skf18("8","8","1","2","2","9","1") = "8"
    & skf18("8","8","1","2","2","10","1") = "9"
    & skf18("8","8","1","2","3","1","1") = "7"
    & skf18("8","8","1","2","3","2","1") = "7"
    & skf18("8","8","1","2","3","3","1") = "7"
    & skf18("8","8","1","2","3","4","1") = "7"
    & skf18("8","8","1","2","3","5","1") = "7"
    & skf18("8","8","1","2","3","6","1") = "7"
    & skf18("8","8","1","2","3","7","1") = "7"
    & skf18("8","8","1","2","3","8","1") = "7"
    & skf18("8","8","1","2","3","9","1") = "8"
    & skf18("8","8","1","2","3","10","1") = "9"
    & skf18("8","8","1","2","4","1","1") = "7"
    & skf18("8","8","1","2","4","2","1") = "7"
    & skf18("8","8","1","2","4","3","1") = "7"
    & skf18("8","8","1","2","4","4","1") = "7"
    & skf18("8","8","1","2","4","5","1") = "7"
    & skf18("8","8","1","2","4","6","1") = "7"
    & skf18("8","8","1","2","4","7","1") = "7"
    & skf18("8","8","1","2","4","8","1") = "7"
    & skf18("8","8","1","2","4","9","1") = "8"
    & skf18("8","8","1","2","4","10","1") = "9"
    & skf18("8","8","1","2","5","1","1") = "7"
    & skf18("8","8","1","2","5","2","1") = "7"
    & skf18("8","8","1","2","5","3","1") = "7"
    & skf18("8","8","1","2","5","4","1") = "7"
    & skf18("8","8","1","2","5","5","1") = "7"
    & skf18("8","8","1","2","5","6","1") = "7"
    & skf18("8","8","1","2","5","7","1") = "7"
    & skf18("8","8","1","2","5","8","1") = "7"
    & skf18("8","8","1","2","5","9","1") = "8"
    & skf18("8","8","1","2","5","10","1") = "9"
    & skf18("8","8","1","2","6","1","1") = "7"
    & skf18("8","8","1","2","6","2","1") = "7"
    & skf18("8","8","1","2","6","3","1") = "7"
    & skf18("8","8","1","2","6","4","1") = "7"
    & skf18("8","8","1","2","6","5","1") = "7"
    & skf18("8","8","1","2","6","6","1") = "7"
    & skf18("8","8","1","2","6","7","1") = "7"
    & skf18("8","8","1","2","6","8","1") = "7"
    & skf18("8","8","1","2","6","9","1") = "8"
    & skf18("8","8","1","2","6","10","1") = "9"
    & skf18("8","8","1","2","7","1","1") = "7"
    & skf18("8","8","1","2","7","2","1") = "7"
    & skf18("8","8","1","2","7","3","1") = "7"
    & skf18("8","8","1","2","7","4","1") = "7"
    & skf18("8","8","1","2","7","5","1") = "7"
    & skf18("8","8","1","2","7","6","1") = "7"
    & skf18("8","8","1","2","7","7","1") = "7"
    & skf18("8","8","1","2","7","8","1") = "7"
    & skf18("8","8","1","2","7","9","1") = "8"
    & skf18("8","8","1","2","7","10","1") = "9"
    & skf18("8","8","1","2","8","1","1") = "7"
    & skf18("8","8","1","2","8","2","1") = "7"
    & skf18("8","8","1","2","8","3","1") = "7"
    & skf18("8","8","1","2","8","4","1") = "7"
    & skf18("8","8","1","2","8","5","1") = "7"
    & skf18("8","8","1","2","8","6","1") = "7"
    & skf18("8","8","1","2","8","7","1") = "7"
    & skf18("8","8","1","2","8","8","1") = "7"
    & skf18("8","8","1","2","8","9","1") = "8"
    & skf18("8","8","1","2","8","10","1") = "9"
    & skf18("8","8","1","2","9","1","1") = "8"
    & skf18("8","8","1","2","9","2","1") = "8"
    & skf18("8","8","1","2","9","3","1") = "8"
    & skf18("8","8","1","2","9","4","1") = "8"
    & skf18("8","8","1","2","9","5","1") = "8"
    & skf18("8","8","1","2","9","6","1") = "8"
    & skf18("8","8","1","2","9","7","1") = "8"
    & skf18("8","8","1","2","9","8","1") = "8"
    & skf18("8","8","1","2","9","9","1") = "8"
    & skf18("8","8","1","2","9","10","1") = "9"
    & skf18("8","8","1","2","10","1","1") = "9"
    & skf18("8","8","1","2","10","2","1") = "9"
    & skf18("8","8","1","2","10","3","1") = "9"
    & skf18("8","8","1","2","10","4","1") = "9"
    & skf18("8","8","1","2","10","5","1") = "9"
    & skf18("8","8","1","2","10","6","1") = "9"
    & skf18("8","8","1","2","10","7","1") = "9"
    & skf18("8","8","1","2","10","8","1") = "9"
    & skf18("8","8","1","2","10","9","1") = "9"
    & skf18("8","8","1","2","10","10","1") = "9"
    & skf18("8","8","1","3","1","1","1") = "7"
    & skf18("8","8","1","3","1","2","1") = "7"
    & skf18("8","8","1","3","1","3","1") = "7"
    & skf18("8","8","1","3","1","4","1") = "7"
    & skf18("8","8","1","3","1","5","1") = "7"
    & skf18("8","8","1","3","1","6","1") = "7"
    & skf18("8","8","1","3","1","7","1") = "7"
    & skf18("8","8","1","3","1","8","1") = "7"
    & skf18("8","8","1","3","1","9","1") = "8"
    & skf18("8","8","1","3","1","10","1") = "9"
    & skf18("8","8","1","3","2","1","1") = "7"
    & skf18("8","8","1","3","2","2","1") = "7"
    & skf18("8","8","1","3","2","3","1") = "7"
    & skf18("8","8","1","3","2","4","1") = "7"
    & skf18("8","8","1","3","2","5","1") = "7"
    & skf18("8","8","1","3","2","6","1") = "7"
    & skf18("8","8","1","3","2","7","1") = "7"
    & skf18("8","8","1","3","2","8","1") = "7"
    & skf18("8","8","1","3","2","9","1") = "8"
    & skf18("8","8","1","3","2","10","1") = "9"
    & skf18("8","8","1","3","3","1","1") = "7"
    & skf18("8","8","1","3","3","2","1") = "7"
    & skf18("8","8","1","3","3","3","1") = "7"
    & skf18("8","8","1","3","3","4","1") = "7"
    & skf18("8","8","1","3","3","5","1") = "7"
    & skf18("8","8","1","3","3","6","1") = "7"
    & skf18("8","8","1","3","3","7","1") = "7"
    & skf18("8","8","1","3","3","8","1") = "7"
    & skf18("8","8","1","3","3","9","1") = "8"
    & skf18("8","8","1","3","3","10","1") = "9"
    & skf18("8","8","1","3","4","1","1") = "7"
    & skf18("8","8","1","3","4","2","1") = "7"
    & skf18("8","8","1","3","4","3","1") = "7"
    & skf18("8","8","1","3","4","4","1") = "7"
    & skf18("8","8","1","3","4","5","1") = "7"
    & skf18("8","8","1","3","4","6","1") = "7"
    & skf18("8","8","1","3","4","7","1") = "7"
    & skf18("8","8","1","3","4","8","1") = "7"
    & skf18("8","8","1","3","4","9","1") = "8"
    & skf18("8","8","1","3","4","10","1") = "9"
    & skf18("8","8","1","3","5","1","1") = "7"
    & skf18("8","8","1","3","5","2","1") = "7"
    & skf18("8","8","1","3","5","3","1") = "7"
    & skf18("8","8","1","3","5","4","1") = "7"
    & skf18("8","8","1","3","5","5","1") = "7"
    & skf18("8","8","1","3","5","6","1") = "7"
    & skf18("8","8","1","3","5","7","1") = "7"
    & skf18("8","8","1","3","5","8","1") = "7"
    & skf18("8","8","1","3","5","9","1") = "8"
    & skf18("8","8","1","3","5","10","1") = "9"
    & skf18("8","8","1","3","6","1","1") = "7"
    & skf18("8","8","1","3","6","2","1") = "7"
    & skf18("8","8","1","3","6","3","1") = "7"
    & skf18("8","8","1","3","6","4","1") = "7"
    & skf18("8","8","1","3","6","5","1") = "7"
    & skf18("8","8","1","3","6","6","1") = "7"
    & skf18("8","8","1","3","6","7","1") = "7"
    & skf18("8","8","1","3","6","8","1") = "7"
    & skf18("8","8","1","3","6","9","1") = "8"
    & skf18("8","8","1","3","6","10","1") = "9"
    & skf18("8","8","1","3","7","1","1") = "7"
    & skf18("8","8","1","3","7","2","1") = "7"
    & skf18("8","8","1","3","7","3","1") = "7"
    & skf18("8","8","1","3","7","4","1") = "7"
    & skf18("8","8","1","3","7","5","1") = "7"
    & skf18("8","8","1","3","7","6","1") = "7"
    & skf18("8","8","1","3","7","7","1") = "7"
    & skf18("8","8","1","3","7","8","1") = "7"
    & skf18("8","8","1","3","7","9","1") = "8"
    & skf18("8","8","1","3","7","10","1") = "9"
    & skf18("8","8","1","3","8","1","1") = "7"
    & skf18("8","8","1","3","8","2","1") = "7"
    & skf18("8","8","1","3","8","3","1") = "7"
    & skf18("8","8","1","3","8","4","1") = "7"
    & skf18("8","8","1","3","8","5","1") = "7"
    & skf18("8","8","1","3","8","6","1") = "7"
    & skf18("8","8","1","3","8","7","1") = "7"
    & skf18("8","8","1","3","8","8","1") = "7"
    & skf18("8","8","1","3","8","9","1") = "8"
    & skf18("8","8","1","3","8","10","1") = "9"
    & skf18("8","8","1","3","9","1","1") = "8"
    & skf18("8","8","1","3","9","2","1") = "8"
    & skf18("8","8","1","3","9","3","1") = "8"
    & skf18("8","8","1","3","9","4","1") = "8"
    & skf18("8","8","1","3","9","5","1") = "8"
    & skf18("8","8","1","3","9","6","1") = "8"
    & skf18("8","8","1","3","9","7","1") = "8"
    & skf18("8","8","1","3","9","8","1") = "8"
    & skf18("8","8","1","3","9","9","1") = "8"
    & skf18("8","8","1","3","9","10","1") = "9"
    & skf18("8","8","1","3","10","1","1") = "9"
    & skf18("8","8","1","3","10","2","1") = "9"
    & skf18("8","8","1","3","10","3","1") = "9"
    & skf18("8","8","1","3","10","4","1") = "9"
    & skf18("8","8","1","3","10","5","1") = "9"
    & skf18("8","8","1","3","10","6","1") = "9"
    & skf18("8","8","1","3","10","7","1") = "9"
    & skf18("8","8","1","3","10","8","1") = "9"
    & skf18("8","8","1","3","10","9","1") = "9"
    & skf18("8","8","1","3","10","10","1") = "9"
    & skf18("8","8","1","4","1","1","1") = "7"
    & skf18("8","8","1","4","1","2","1") = "7"
    & skf18("8","8","1","4","1","3","1") = "7"
    & skf18("8","8","1","4","1","4","1") = "7"
    & skf18("8","8","1","4","1","5","1") = "7"
    & skf18("8","8","1","4","1","6","1") = "7"
    & skf18("8","8","1","4","1","7","1") = "7"
    & skf18("8","8","1","4","1","8","1") = "7"
    & skf18("8","8","1","4","1","9","1") = "8"
    & skf18("8","8","1","4","1","10","1") = "9"
    & skf18("8","8","1","4","2","1","1") = "7"
    & skf18("8","8","1","4","2","2","1") = "7"
    & skf18("8","8","1","4","2","3","1") = "7"
    & skf18("8","8","1","4","2","4","1") = "7"
    & skf18("8","8","1","4","2","5","1") = "7"
    & skf18("8","8","1","4","2","6","1") = "7"
    & skf18("8","8","1","4","2","7","1") = "7"
    & skf18("8","8","1","4","2","8","1") = "7"
    & skf18("8","8","1","4","2","9","1") = "8"
    & skf18("8","8","1","4","2","10","1") = "9"
    & skf18("8","8","1","4","3","1","1") = "7"
    & skf18("8","8","1","4","3","2","1") = "7"
    & skf18("8","8","1","4","3","3","1") = "7"
    & skf18("8","8","1","4","3","4","1") = "7"
    & skf18("8","8","1","4","3","5","1") = "7"
    & skf18("8","8","1","4","3","6","1") = "7"
    & skf18("8","8","1","4","3","7","1") = "7"
    & skf18("8","8","1","4","3","8","1") = "7"
    & skf18("8","8","1","4","3","9","1") = "8"
    & skf18("8","8","1","4","3","10","1") = "9"
    & skf18("8","8","1","4","4","1","1") = "7"
    & skf18("8","8","1","4","4","2","1") = "7"
    & skf18("8","8","1","4","4","3","1") = "7"
    & skf18("8","8","1","4","4","4","1") = "7"
    & skf18("8","8","1","4","4","5","1") = "7"
    & skf18("8","8","1","4","4","6","1") = "7"
    & skf18("8","8","1","4","4","7","1") = "7"
    & skf18("8","8","1","4","4","8","1") = "7"
    & skf18("8","8","1","4","4","9","1") = "8"
    & skf18("8","8","1","4","4","10","1") = "9"
    & skf18("8","8","1","4","5","1","1") = "7"
    & skf18("8","8","1","4","5","2","1") = "7"
    & skf18("8","8","1","4","5","3","1") = "7"
    & skf18("8","8","1","4","5","4","1") = "7"
    & skf18("8","8","1","4","5","5","1") = "7"
    & skf18("8","8","1","4","5","6","1") = "7"
    & skf18("8","8","1","4","5","7","1") = "7"
    & skf18("8","8","1","4","5","8","1") = "7"
    & skf18("8","8","1","4","5","9","1") = "8"
    & skf18("8","8","1","4","5","10","1") = "9"
    & skf18("8","8","1","4","6","1","1") = "7"
    & skf18("8","8","1","4","6","2","1") = "7"
    & skf18("8","8","1","4","6","3","1") = "7"
    & skf18("8","8","1","4","6","4","1") = "7"
    & skf18("8","8","1","4","6","5","1") = "7"
    & skf18("8","8","1","4","6","6","1") = "7"
    & skf18("8","8","1","4","6","7","1") = "7"
    & skf18("8","8","1","4","6","8","1") = "7"
    & skf18("8","8","1","4","6","9","1") = "8"
    & skf18("8","8","1","4","6","10","1") = "9"
    & skf18("8","8","1","4","7","1","1") = "7"
    & skf18("8","8","1","4","7","2","1") = "7"
    & skf18("8","8","1","4","7","3","1") = "7"
    & skf18("8","8","1","4","7","4","1") = "7"
    & skf18("8","8","1","4","7","5","1") = "7"
    & skf18("8","8","1","4","7","6","1") = "7"
    & skf18("8","8","1","4","7","7","1") = "7"
    & skf18("8","8","1","4","7","8","1") = "7"
    & skf18("8","8","1","4","7","9","1") = "8"
    & skf18("8","8","1","4","7","10","1") = "9"
    & skf18("8","8","1","4","8","1","1") = "7"
    & skf18("8","8","1","4","8","2","1") = "7"
    & skf18("8","8","1","4","8","3","1") = "7"
    & skf18("8","8","1","4","8","4","1") = "7"
    & skf18("8","8","1","4","8","5","1") = "7"
    & skf18("8","8","1","4","8","6","1") = "7"
    & skf18("8","8","1","4","8","7","1") = "7"
    & skf18("8","8","1","4","8","8","1") = "7"
    & skf18("8","8","1","4","8","9","1") = "8"
    & skf18("8","8","1","4","8","10","1") = "9"
    & skf18("8","8","1","4","9","1","1") = "8"
    & skf18("8","8","1","4","9","2","1") = "8"
    & skf18("8","8","1","4","9","3","1") = "8"
    & skf18("8","8","1","4","9","4","1") = "8"
    & skf18("8","8","1","4","9","5","1") = "8"
    & skf18("8","8","1","4","9","6","1") = "8"
    & skf18("8","8","1","4","9","7","1") = "8"
    & skf18("8","8","1","4","9","8","1") = "8"
    & skf18("8","8","1","4","9","9","1") = "8"
    & skf18("8","8","1","4","9","10","1") = "9"
    & skf18("8","8","1","4","10","1","1") = "9"
    & skf18("8","8","1","4","10","2","1") = "9"
    & skf18("8","8","1","4","10","3","1") = "9"
    & skf18("8","8","1","4","10","4","1") = "9"
    & skf18("8","8","1","4","10","5","1") = "9"
    & skf18("8","8","1","4","10","6","1") = "9"
    & skf18("8","8","1","4","10","7","1") = "9"
    & skf18("8","8","1","4","10","8","1") = "9"
    & skf18("8","8","1","4","10","9","1") = "9"
    & skf18("8","8","1","4","10","10","1") = "9"
    & skf18("8","8","1","5","1","1","1") = "7"
    & skf18("8","8","1","5","1","2","1") = "7"
    & skf18("8","8","1","5","1","3","1") = "7"
    & skf18("8","8","1","5","1","4","1") = "7"
    & skf18("8","8","1","5","1","5","1") = "7"
    & skf18("8","8","1","5","1","6","1") = "7"
    & skf18("8","8","1","5","1","7","1") = "7"
    & skf18("8","8","1","5","1","8","1") = "7"
    & skf18("8","8","1","5","1","9","1") = "8"
    & skf18("8","8","1","5","1","10","1") = "9"
    & skf18("8","8","1","5","2","1","1") = "7"
    & skf18("8","8","1","5","2","2","1") = "7"
    & skf18("8","8","1","5","2","3","1") = "7"
    & skf18("8","8","1","5","2","4","1") = "7"
    & skf18("8","8","1","5","2","5","1") = "7"
    & skf18("8","8","1","5","2","6","1") = "7"
    & skf18("8","8","1","5","2","7","1") = "7"
    & skf18("8","8","1","5","2","8","1") = "7"
    & skf18("8","8","1","5","2","9","1") = "8"
    & skf18("8","8","1","5","2","10","1") = "9"
    & skf18("8","8","1","5","3","1","1") = "7"
    & skf18("8","8","1","5","3","2","1") = "7"
    & skf18("8","8","1","5","3","3","1") = "7"
    & skf18("8","8","1","5","3","4","1") = "7"
    & skf18("8","8","1","5","3","5","1") = "7"
    & skf18("8","8","1","5","3","6","1") = "7"
    & skf18("8","8","1","5","3","7","1") = "7"
    & skf18("8","8","1","5","3","8","1") = "7"
    & skf18("8","8","1","5","3","9","1") = "8"
    & skf18("8","8","1","5","3","10","1") = "9"
    & skf18("8","8","1","5","4","1","1") = "7"
    & skf18("8","8","1","5","4","2","1") = "7"
    & skf18("8","8","1","5","4","3","1") = "7"
    & skf18("8","8","1","5","4","4","1") = "7"
    & skf18("8","8","1","5","4","5","1") = "7"
    & skf18("8","8","1","5","4","6","1") = "7"
    & skf18("8","8","1","5","4","7","1") = "7"
    & skf18("8","8","1","5","4","8","1") = "7"
    & skf18("8","8","1","5","4","9","1") = "8"
    & skf18("8","8","1","5","4","10","1") = "9"
    & skf18("8","8","1","5","5","1","1") = "7"
    & skf18("8","8","1","5","5","2","1") = "7"
    & skf18("8","8","1","5","5","3","1") = "7"
    & skf18("8","8","1","5","5","4","1") = "7"
    & skf18("8","8","1","5","5","5","1") = "7"
    & skf18("8","8","1","5","5","6","1") = "7"
    & skf18("8","8","1","5","5","7","1") = "7"
    & skf18("8","8","1","5","5","8","1") = "7"
    & skf18("8","8","1","5","5","9","1") = "8"
    & skf18("8","8","1","5","5","10","1") = "9"
    & skf18("8","8","1","5","6","1","1") = "7"
    & skf18("8","8","1","5","6","2","1") = "7"
    & skf18("8","8","1","5","6","3","1") = "7"
    & skf18("8","8","1","5","6","4","1") = "7"
    & skf18("8","8","1","5","6","5","1") = "7"
    & skf18("8","8","1","5","6","6","1") = "7"
    & skf18("8","8","1","5","6","7","1") = "7"
    & skf18("8","8","1","5","6","8","1") = "7"
    & skf18("8","8","1","5","6","9","1") = "8"
    & skf18("8","8","1","5","6","10","1") = "9"
    & skf18("8","8","1","5","7","1","1") = "7"
    & skf18("8","8","1","5","7","2","1") = "7"
    & skf18("8","8","1","5","7","3","1") = "7"
    & skf18("8","8","1","5","7","4","1") = "7"
    & skf18("8","8","1","5","7","5","1") = "7"
    & skf18("8","8","1","5","7","6","1") = "7"
    & skf18("8","8","1","5","7","7","1") = "7"
    & skf18("8","8","1","5","7","8","1") = "7"
    & skf18("8","8","1","5","7","9","1") = "8"
    & skf18("8","8","1","5","7","10","1") = "9"
    & skf18("8","8","1","5","8","1","1") = "7"
    & skf18("8","8","1","5","8","2","1") = "7"
    & skf18("8","8","1","5","8","3","1") = "7"
    & skf18("8","8","1","5","8","4","1") = "7"
    & skf18("8","8","1","5","8","5","1") = "7"
    & skf18("8","8","1","5","8","6","1") = "7"
    & skf18("8","8","1","5","8","7","1") = "7"
    & skf18("8","8","1","5","8","8","1") = "7"
    & skf18("8","8","1","5","8","9","1") = "8"
    & skf18("8","8","1","5","8","10","1") = "9"
    & skf18("8","8","1","5","9","1","1") = "8"
    & skf18("8","8","1","5","9","2","1") = "8"
    & skf18("8","8","1","5","9","3","1") = "8"
    & skf18("8","8","1","5","9","4","1") = "8"
    & skf18("8","8","1","5","9","5","1") = "8"
    & skf18("8","8","1","5","9","6","1") = "8"
    & skf18("8","8","1","5","9","7","1") = "8"
    & skf18("8","8","1","5","9","8","1") = "8"
    & skf18("8","8","1","5","9","9","1") = "8"
    & skf18("8","8","1","5","9","10","1") = "9"
    & skf18("8","8","1","5","10","1","1") = "9"
    & skf18("8","8","1","5","10","2","1") = "9"
    & skf18("8","8","1","5","10","3","1") = "9"
    & skf18("8","8","1","5","10","4","1") = "9"
    & skf18("8","8","1","5","10","5","1") = "9"
    & skf18("8","8","1","5","10","6","1") = "9"
    & skf18("8","8","1","5","10","7","1") = "9"
    & skf18("8","8","1","5","10","8","1") = "9"
    & skf18("8","8","1","5","10","9","1") = "9"
    & skf18("8","8","1","5","10","10","1") = "9"
    & skf18("8","8","1","6","1","1","1") = "7"
    & skf18("8","8","1","6","1","2","1") = "7"
    & skf18("8","8","1","6","1","3","1") = "7"
    & skf18("8","8","1","6","1","4","1") = "7"
    & skf18("8","8","1","6","1","5","1") = "7"
    & skf18("8","8","1","6","1","6","1") = "7"
    & skf18("8","8","1","6","1","7","1") = "7"
    & skf18("8","8","1","6","1","8","1") = "7"
    & skf18("8","8","1","6","1","9","1") = "8"
    & skf18("8","8","1","6","1","10","1") = "9"
    & skf18("8","8","1","6","2","1","1") = "7"
    & skf18("8","8","1","6","2","2","1") = "7"
    & skf18("8","8","1","6","2","3","1") = "7"
    & skf18("8","8","1","6","2","4","1") = "7"
    & skf18("8","8","1","6","2","5","1") = "7"
    & skf18("8","8","1","6","2","6","1") = "7"
    & skf18("8","8","1","6","2","7","1") = "7"
    & skf18("8","8","1","6","2","8","1") = "7"
    & skf18("8","8","1","6","2","9","1") = "8"
    & skf18("8","8","1","6","2","10","1") = "9"
    & skf18("8","8","1","6","3","1","1") = "7"
    & skf18("8","8","1","6","3","2","1") = "7"
    & skf18("8","8","1","6","3","3","1") = "7"
    & skf18("8","8","1","6","3","4","1") = "7"
    & skf18("8","8","1","6","3","5","1") = "7"
    & skf18("8","8","1","6","3","6","1") = "7"
    & skf18("8","8","1","6","3","7","1") = "7"
    & skf18("8","8","1","6","3","8","1") = "7"
    & skf18("8","8","1","6","3","9","1") = "8"
    & skf18("8","8","1","6","3","10","1") = "9"
    & skf18("8","8","1","6","4","1","1") = "7"
    & skf18("8","8","1","6","4","2","1") = "7"
    & skf18("8","8","1","6","4","3","1") = "7"
    & skf18("8","8","1","6","4","4","1") = "7"
    & skf18("8","8","1","6","4","5","1") = "7"
    & skf18("8","8","1","6","4","6","1") = "7"
    & skf18("8","8","1","6","4","7","1") = "7"
    & skf18("8","8","1","6","4","8","1") = "7"
    & skf18("8","8","1","6","4","9","1") = "8"
    & skf18("8","8","1","6","4","10","1") = "9"
    & skf18("8","8","1","6","5","1","1") = "7"
    & skf18("8","8","1","6","5","2","1") = "7"
    & skf18("8","8","1","6","5","3","1") = "7"
    & skf18("8","8","1","6","5","4","1") = "7"
    & skf18("8","8","1","6","5","5","1") = "7"
    & skf18("8","8","1","6","5","6","1") = "7"
    & skf18("8","8","1","6","5","7","1") = "7"
    & skf18("8","8","1","6","5","8","1") = "7"
    & skf18("8","8","1","6","5","9","1") = "8"
    & skf18("8","8","1","6","5","10","1") = "9"
    & skf18("8","8","1","6","6","1","1") = "7"
    & skf18("8","8","1","6","6","2","1") = "7"
    & skf18("8","8","1","6","6","3","1") = "7"
    & skf18("8","8","1","6","6","4","1") = "7"
    & skf18("8","8","1","6","6","5","1") = "7"
    & skf18("8","8","1","6","6","6","1") = "7"
    & skf18("8","8","1","6","6","7","1") = "7"
    & skf18("8","8","1","6","6","8","1") = "7"
    & skf18("8","8","1","6","6","9","1") = "8"
    & skf18("8","8","1","6","6","10","1") = "9"
    & skf18("8","8","1","6","7","1","1") = "7"
    & skf18("8","8","1","6","7","2","1") = "7"
    & skf18("8","8","1","6","7","3","1") = "7"
    & skf18("8","8","1","6","7","4","1") = "7"
    & skf18("8","8","1","6","7","5","1") = "7"
    & skf18("8","8","1","6","7","6","1") = "7"
    & skf18("8","8","1","6","7","7","1") = "7"
    & skf18("8","8","1","6","7","8","1") = "7"
    & skf18("8","8","1","6","7","9","1") = "8"
    & skf18("8","8","1","6","7","10","1") = "9"
    & skf18("8","8","1","6","8","1","1") = "7"
    & skf18("8","8","1","6","8","2","1") = "7"
    & skf18("8","8","1","6","8","3","1") = "7"
    & skf18("8","8","1","6","8","4","1") = "7"
    & skf18("8","8","1","6","8","5","1") = "7"
    & skf18("8","8","1","6","8","6","1") = "7"
    & skf18("8","8","1","6","8","7","1") = "7"
    & skf18("8","8","1","6","8","8","1") = "7"
    & skf18("8","8","1","6","8","9","1") = "8"
    & skf18("8","8","1","6","8","10","1") = "9"
    & skf18("8","8","1","6","9","1","1") = "8"
    & skf18("8","8","1","6","9","2","1") = "8"
    & skf18("8","8","1","6","9","3","1") = "8"
    & skf18("8","8","1","6","9","4","1") = "8"
    & skf18("8","8","1","6","9","5","1") = "8"
    & skf18("8","8","1","6","9","6","1") = "8"
    & skf18("8","8","1","6","9","7","1") = "8"
    & skf18("8","8","1","6","9","8","1") = "8"
    & skf18("8","8","1","6","9","9","1") = "8"
    & skf18("8","8","1","6","9","10","1") = "9"
    & skf18("8","8","1","6","10","1","1") = "9"
    & skf18("8","8","1","6","10","2","1") = "9"
    & skf18("8","8","1","6","10","3","1") = "9"
    & skf18("8","8","1","6","10","4","1") = "9"
    & skf18("8","8","1","6","10","5","1") = "9"
    & skf18("8","8","1","6","10","6","1") = "9"
    & skf18("8","8","1","6","10","7","1") = "9"
    & skf18("8","8","1","6","10","8","1") = "9"
    & skf18("8","8","1","6","10","9","1") = "9"
    & skf18("8","8","1","6","10","10","1") = "9"
    & skf18("8","8","1","7","1","1","1") = "7"
    & skf18("8","8","1","7","1","2","1") = "7"
    & skf18("8","8","1","7","1","3","1") = "7"
    & skf18("8","8","1","7","1","4","1") = "7"
    & skf18("8","8","1","7","1","5","1") = "7"
    & skf18("8","8","1","7","1","6","1") = "7"
    & skf18("8","8","1","7","1","7","1") = "7"
    & skf18("8","8","1","7","1","8","1") = "7"
    & skf18("8","8","1","7","1","9","1") = "8"
    & skf18("8","8","1","7","1","10","1") = "9"
    & skf18("8","8","1","7","2","1","1") = "7"
    & skf18("8","8","1","7","2","2","1") = "7"
    & skf18("8","8","1","7","2","3","1") = "7"
    & skf18("8","8","1","7","2","4","1") = "7"
    & skf18("8","8","1","7","2","5","1") = "7"
    & skf18("8","8","1","7","2","6","1") = "7"
    & skf18("8","8","1","7","2","7","1") = "7"
    & skf18("8","8","1","7","2","8","1") = "7"
    & skf18("8","8","1","7","2","9","1") = "8"
    & skf18("8","8","1","7","2","10","1") = "9"
    & skf18("8","8","1","7","3","1","1") = "7"
    & skf18("8","8","1","7","3","2","1") = "7"
    & skf18("8","8","1","7","3","3","1") = "7"
    & skf18("8","8","1","7","3","4","1") = "7"
    & skf18("8","8","1","7","3","5","1") = "7"
    & skf18("8","8","1","7","3","6","1") = "7"
    & skf18("8","8","1","7","3","7","1") = "7"
    & skf18("8","8","1","7","3","8","1") = "7"
    & skf18("8","8","1","7","3","9","1") = "8"
    & skf18("8","8","1","7","3","10","1") = "9"
    & skf18("8","8","1","7","4","1","1") = "7"
    & skf18("8","8","1","7","4","2","1") = "7"
    & skf18("8","8","1","7","4","3","1") = "7"
    & skf18("8","8","1","7","4","4","1") = "7"
    & skf18("8","8","1","7","4","5","1") = "7"
    & skf18("8","8","1","7","4","6","1") = "7"
    & skf18("8","8","1","7","4","7","1") = "7"
    & skf18("8","8","1","7","4","8","1") = "7"
    & skf18("8","8","1","7","4","9","1") = "8"
    & skf18("8","8","1","7","4","10","1") = "9"
    & skf18("8","8","1","7","5","1","1") = "7"
    & skf18("8","8","1","7","5","2","1") = "7"
    & skf18("8","8","1","7","5","3","1") = "7"
    & skf18("8","8","1","7","5","4","1") = "7"
    & skf18("8","8","1","7","5","5","1") = "7"
    & skf18("8","8","1","7","5","6","1") = "7"
    & skf18("8","8","1","7","5","7","1") = "7"
    & skf18("8","8","1","7","5","8","1") = "7"
    & skf18("8","8","1","7","5","9","1") = "8"
    & skf18("8","8","1","7","5","10","1") = "9"
    & skf18("8","8","1","7","6","1","1") = "7"
    & skf18("8","8","1","7","6","2","1") = "7"
    & skf18("8","8","1","7","6","3","1") = "7"
    & skf18("8","8","1","7","6","4","1") = "7"
    & skf18("8","8","1","7","6","5","1") = "7"
    & skf18("8","8","1","7","6","6","1") = "7"
    & skf18("8","8","1","7","6","7","1") = "7"
    & skf18("8","8","1","7","6","8","1") = "7"
    & skf18("8","8","1","7","6","9","1") = "8"
    & skf18("8","8","1","7","6","10","1") = "9"
    & skf18("8","8","1","7","7","1","1") = "7"
    & skf18("8","8","1","7","7","2","1") = "7"
    & skf18("8","8","1","7","7","3","1") = "7"
    & skf18("8","8","1","7","7","4","1") = "7"
    & skf18("8","8","1","7","7","5","1") = "7"
    & skf18("8","8","1","7","7","6","1") = "7"
    & skf18("8","8","1","7","7","7","1") = "7"
    & skf18("8","8","1","7","7","8","1") = "7"
    & skf18("8","8","1","7","7","9","1") = "8"
    & skf18("8","8","1","7","7","10","1") = "9"
    & skf18("8","8","1","7","8","1","1") = "7"
    & skf18("8","8","1","7","8","2","1") = "7"
    & skf18("8","8","1","7","8","3","1") = "7"
    & skf18("8","8","1","7","8","4","1") = "7"
    & skf18("8","8","1","7","8","5","1") = "7"
    & skf18("8","8","1","7","8","6","1") = "7"
    & skf18("8","8","1","7","8","7","1") = "7"
    & skf18("8","8","1","7","8","8","1") = "7"
    & skf18("8","8","1","7","8","9","1") = "8"
    & skf18("8","8","1","7","8","10","1") = "9"
    & skf18("8","8","1","7","9","1","1") = "8"
    & skf18("8","8","1","7","9","2","1") = "8"
    & skf18("8","8","1","7","9","3","1") = "8"
    & skf18("8","8","1","7","9","4","1") = "8"
    & skf18("8","8","1","7","9","5","1") = "8"
    & skf18("8","8","1","7","9","6","1") = "8"
    & skf18("8","8","1","7","9","7","1") = "8"
    & skf18("8","8","1","7","9","8","1") = "8"
    & skf18("8","8","1","7","9","9","1") = "8"
    & skf18("8","8","1","7","9","10","1") = "9"
    & skf18("8","8","1","7","10","1","1") = "9"
    & skf18("8","8","1","7","10","2","1") = "9"
    & skf18("8","8","1","7","10","3","1") = "9"
    & skf18("8","8","1","7","10","4","1") = "9"
    & skf18("8","8","1","7","10","5","1") = "9"
    & skf18("8","8","1","7","10","6","1") = "9"
    & skf18("8","8","1","7","10","7","1") = "9"
    & skf18("8","8","1","7","10","8","1") = "9"
    & skf18("8","8","1","7","10","9","1") = "9"
    & skf18("8","8","1","7","10","10","1") = "9"
    & skf18("8","8","1","8","1","1","1") = "7"
    & skf18("8","8","1","8","1","2","1") = "7"
    & skf18("8","8","1","8","1","3","1") = "7"
    & skf18("8","8","1","8","1","4","1") = "7"
    & skf18("8","8","1","8","1","5","1") = "7"
    & skf18("8","8","1","8","1","6","1") = "7"
    & skf18("8","8","1","8","1","7","1") = "7"
    & skf18("8","8","1","8","1","8","1") = "7"
    & skf18("8","8","1","8","1","9","1") = "8"
    & skf18("8","8","1","8","1","10","1") = "9"
    & skf18("8","8","1","8","2","1","1") = "7"
    & skf18("8","8","1","8","2","2","1") = "7"
    & skf18("8","8","1","8","2","3","1") = "7"
    & skf18("8","8","1","8","2","4","1") = "7"
    & skf18("8","8","1","8","2","5","1") = "7"
    & skf18("8","8","1","8","2","6","1") = "7"
    & skf18("8","8","1","8","2","7","1") = "7"
    & skf18("8","8","1","8","2","8","1") = "7"
    & skf18("8","8","1","8","2","9","1") = "8"
    & skf18("8","8","1","8","2","10","1") = "9"
    & skf18("8","8","1","8","3","1","1") = "7"
    & skf18("8","8","1","8","3","2","1") = "7"
    & skf18("8","8","1","8","3","3","1") = "7"
    & skf18("8","8","1","8","3","4","1") = "7"
    & skf18("8","8","1","8","3","5","1") = "7"
    & skf18("8","8","1","8","3","6","1") = "7"
    & skf18("8","8","1","8","3","7","1") = "7"
    & skf18("8","8","1","8","3","8","1") = "7"
    & skf18("8","8","1","8","3","9","1") = "8"
    & skf18("8","8","1","8","3","10","1") = "9"
    & skf18("8","8","1","8","4","1","1") = "7"
    & skf18("8","8","1","8","4","2","1") = "7"
    & skf18("8","8","1","8","4","3","1") = "7"
    & skf18("8","8","1","8","4","4","1") = "7"
    & skf18("8","8","1","8","4","5","1") = "7"
    & skf18("8","8","1","8","4","6","1") = "7"
    & skf18("8","8","1","8","4","7","1") = "7"
    & skf18("8","8","1","8","4","8","1") = "7"
    & skf18("8","8","1","8","4","9","1") = "8"
    & skf18("8","8","1","8","4","10","1") = "9"
    & skf18("8","8","1","8","5","1","1") = "7"
    & skf18("8","8","1","8","5","2","1") = "7"
    & skf18("8","8","1","8","5","3","1") = "7"
    & skf18("8","8","1","8","5","4","1") = "7"
    & skf18("8","8","1","8","5","5","1") = "7"
    & skf18("8","8","1","8","5","6","1") = "7"
    & skf18("8","8","1","8","5","7","1") = "7"
    & skf18("8","8","1","8","5","8","1") = "7"
    & skf18("8","8","1","8","5","9","1") = "8"
    & skf18("8","8","1","8","5","10","1") = "9"
    & skf18("8","8","1","8","6","1","1") = "7"
    & skf18("8","8","1","8","6","2","1") = "7"
    & skf18("8","8","1","8","6","3","1") = "7"
    & skf18("8","8","1","8","6","4","1") = "7"
    & skf18("8","8","1","8","6","5","1") = "7"
    & skf18("8","8","1","8","6","6","1") = "7"
    & skf18("8","8","1","8","6","7","1") = "7"
    & skf18("8","8","1","8","6","8","1") = "7"
    & skf18("8","8","1","8","6","9","1") = "8"
    & skf18("8","8","1","8","6","10","1") = "9"
    & skf18("8","8","1","8","7","1","1") = "7"
    & skf18("8","8","1","8","7","2","1") = "7"
    & skf18("8","8","1","8","7","3","1") = "7"
    & skf18("8","8","1","8","7","4","1") = "7"
    & skf18("8","8","1","8","7","5","1") = "7"
    & skf18("8","8","1","8","7","6","1") = "7"
    & skf18("8","8","1","8","7","7","1") = "7"
    & skf18("8","8","1","8","7","8","1") = "7"
    & skf18("8","8","1","8","7","9","1") = "8"
    & skf18("8","8","1","8","7","10","1") = "9"
    & skf18("8","8","1","8","8","1","1") = "7"
    & skf18("8","8","1","8","8","2","1") = "7"
    & skf18("8","8","1","8","8","3","1") = "7"
    & skf18("8","8","1","8","8","4","1") = "7"
    & skf18("8","8","1","8","8","5","1") = "7"
    & skf18("8","8","1","8","8","6","1") = "7"
    & skf18("8","8","1","8","8","7","1") = "7"
    & skf18("8","8","1","8","8","8","1") = "7"
    & skf18("8","8","1","8","8","9","1") = "8"
    & skf18("8","8","1","8","8","10","1") = "9"
    & skf18("8","8","1","8","9","1","1") = "8"
    & skf18("8","8","1","8","9","2","1") = "8"
    & skf18("8","8","1","8","9","3","1") = "8"
    & skf18("8","8","1","8","9","4","1") = "8"
    & skf18("8","8","1","8","9","5","1") = "8"
    & skf18("8","8","1","8","9","6","1") = "8"
    & skf18("8","8","1","8","9","7","1") = "8"
    & skf18("8","8","1","8","9","8","1") = "8"
    & skf18("8","8","1","8","9","9","1") = "8"
    & skf18("8","8","1","8","9","10","1") = "9"
    & skf18("8","8","1","8","10","1","1") = "9"
    & skf18("8","8","1","8","10","2","1") = "9"
    & skf18("8","8","1","8","10","3","1") = "9"
    & skf18("8","8","1","8","10","4","1") = "9"
    & skf18("8","8","1","8","10","5","1") = "9"
    & skf18("8","8","1","8","10","6","1") = "9"
    & skf18("8","8","1","8","10","7","1") = "9"
    & skf18("8","8","1","8","10","8","1") = "9"
    & skf18("8","8","1","8","10","9","1") = "9"
    & skf18("8","8","1","8","10","10","1") = "9"
    & skf18("8","8","1","9","1","1","1") = "8"
    & skf18("8","8","1","9","1","2","1") = "8"
    & skf18("8","8","1","9","1","3","1") = "8"
    & skf18("8","8","1","9","1","4","1") = "8"
    & skf18("8","8","1","9","1","5","1") = "8"
    & skf18("8","8","1","9","1","6","1") = "8"
    & skf18("8","8","1","9","1","7","1") = "8"
    & skf18("8","8","1","9","1","8","1") = "8"
    & skf18("8","8","1","9","1","9","1") = "8"
    & skf18("8","8","1","9","1","10","1") = "9"
    & skf18("8","8","1","9","2","1","1") = "8"
    & skf18("8","8","1","9","2","2","1") = "8"
    & skf18("8","8","1","9","2","3","1") = "8"
    & skf18("8","8","1","9","2","4","1") = "8"
    & skf18("8","8","1","9","2","5","1") = "8"
    & skf18("8","8","1","9","2","6","1") = "8"
    & skf18("8","8","1","9","2","7","1") = "8"
    & skf18("8","8","1","9","2","8","1") = "8"
    & skf18("8","8","1","9","2","9","1") = "8"
    & skf18("8","8","1","9","2","10","1") = "9"
    & skf18("8","8","1","9","3","1","1") = "8"
    & skf18("8","8","1","9","3","2","1") = "8"
    & skf18("8","8","1","9","3","3","1") = "8"
    & skf18("8","8","1","9","3","4","1") = "8"
    & skf18("8","8","1","9","3","5","1") = "8"
    & skf18("8","8","1","9","3","6","1") = "8"
    & skf18("8","8","1","9","3","7","1") = "8"
    & skf18("8","8","1","9","3","8","1") = "8"
    & skf18("8","8","1","9","3","9","1") = "8"
    & skf18("8","8","1","9","3","10","1") = "9"
    & skf18("8","8","1","9","4","1","1") = "8"
    & skf18("8","8","1","9","4","2","1") = "8"
    & skf18("8","8","1","9","4","3","1") = "8"
    & skf18("8","8","1","9","4","4","1") = "8"
    & skf18("8","8","1","9","4","5","1") = "8"
    & skf18("8","8","1","9","4","6","1") = "8"
    & skf18("8","8","1","9","4","7","1") = "8"
    & skf18("8","8","1","9","4","8","1") = "8"
    & skf18("8","8","1","9","4","9","1") = "8"
    & skf18("8","8","1","9","4","10","1") = "9"
    & skf18("8","8","1","9","5","1","1") = "8"
    & skf18("8","8","1","9","5","2","1") = "8"
    & skf18("8","8","1","9","5","3","1") = "8"
    & skf18("8","8","1","9","5","4","1") = "8"
    & skf18("8","8","1","9","5","5","1") = "8"
    & skf18("8","8","1","9","5","6","1") = "8"
    & skf18("8","8","1","9","5","7","1") = "8"
    & skf18("8","8","1","9","5","8","1") = "8"
    & skf18("8","8","1","9","5","9","1") = "8"
    & skf18("8","8","1","9","5","10","1") = "9"
    & skf18("8","8","1","9","6","1","1") = "8"
    & skf18("8","8","1","9","6","2","1") = "8"
    & skf18("8","8","1","9","6","3","1") = "8"
    & skf18("8","8","1","9","6","4","1") = "8"
    & skf18("8","8","1","9","6","5","1") = "8"
    & skf18("8","8","1","9","6","6","1") = "8"
    & skf18("8","8","1","9","6","7","1") = "8"
    & skf18("8","8","1","9","6","8","1") = "8"
    & skf18("8","8","1","9","6","9","1") = "8"
    & skf18("8","8","1","9","6","10","1") = "9"
    & skf18("8","8","1","9","7","1","1") = "8"
    & skf18("8","8","1","9","7","2","1") = "8"
    & skf18("8","8","1","9","7","3","1") = "8"
    & skf18("8","8","1","9","7","4","1") = "8"
    & skf18("8","8","1","9","7","5","1") = "8"
    & skf18("8","8","1","9","7","6","1") = "8"
    & skf18("8","8","1","9","7","7","1") = "8"
    & skf18("8","8","1","9","7","8","1") = "8"
    & skf18("8","8","1","9","7","9","1") = "8"
    & skf18("8","8","1","9","7","10","1") = "9"
    & skf18("8","8","1","9","8","1","1") = "8"
    & skf18("8","8","1","9","8","2","1") = "8"
    & skf18("8","8","1","9","8","3","1") = "8"
    & skf18("8","8","1","9","8","4","1") = "8"
    & skf18("8","8","1","9","8","5","1") = "8"
    & skf18("8","8","1","9","8","6","1") = "8"
    & skf18("8","8","1","9","8","7","1") = "8"
    & skf18("8","8","1","9","8","8","1") = "8"
    & skf18("8","8","1","9","8","9","1") = "8"
    & skf18("8","8","1","9","8","10","1") = "9"
    & skf18("8","8","1","9","9","1","1") = "8"
    & skf18("8","8","1","9","9","2","1") = "8"
    & skf18("8","8","1","9","9","3","1") = "8"
    & skf18("8","8","1","9","9","4","1") = "8"
    & skf18("8","8","1","9","9","5","1") = "8"
    & skf18("8","8","1","9","9","6","1") = "8"
    & skf18("8","8","1","9","9","7","1") = "8"
    & skf18("8","8","1","9","9","8","1") = "8"
    & skf18("8","8","1","9","9","9","1") = "8"
    & skf18("8","8","1","9","9","10","1") = "9"
    & skf18("8","8","1","9","10","1","1") = "9"
    & skf18("8","8","1","9","10","2","1") = "9"
    & skf18("8","8","1","9","10","3","1") = "9"
    & skf18("8","8","1","9","10","4","1") = "9"
    & skf18("8","8","1","9","10","5","1") = "9"
    & skf18("8","8","1","9","10","6","1") = "9"
    & skf18("8","8","1","9","10","7","1") = "9"
    & skf18("8","8","1","9","10","8","1") = "9"
    & skf18("8","8","1","9","10","9","1") = "9"
    & skf18("8","8","1","9","10","10","1") = "9"
    & skf18("8","8","1","10","1","1","1") = "9"
    & skf18("8","8","1","10","1","2","1") = "9"
    & skf18("8","8","1","10","1","3","1") = "9"
    & skf18("8","8","1","10","1","4","1") = "9"
    & skf18("8","8","1","10","1","5","1") = "9"
    & skf18("8","8","1","10","1","6","1") = "9"
    & skf18("8","8","1","10","1","7","1") = "9"
    & skf18("8","8","1","10","1","8","1") = "9"
    & skf18("8","8","1","10","1","9","1") = "9"
    & skf18("8","8","1","10","1","10","1") = "9"
    & skf18("8","8","1","10","2","1","1") = "9"
    & skf18("8","8","1","10","2","2","1") = "9"
    & skf18("8","8","1","10","2","3","1") = "9"
    & skf18("8","8","1","10","2","4","1") = "9"
    & skf18("8","8","1","10","2","5","1") = "9"
    & skf18("8","8","1","10","2","6","1") = "9"
    & skf18("8","8","1","10","2","7","1") = "9"
    & skf18("8","8","1","10","2","8","1") = "9"
    & skf18("8","8","1","10","2","9","1") = "9"
    & skf18("8","8","1","10","2","10","1") = "9"
    & skf18("8","8","1","10","3","1","1") = "9"
    & skf18("8","8","1","10","3","2","1") = "9"
    & skf18("8","8","1","10","3","3","1") = "9"
    & skf18("8","8","1","10","3","4","1") = "9"
    & skf18("8","8","1","10","3","5","1") = "9"
    & skf18("8","8","1","10","3","6","1") = "9"
    & skf18("8","8","1","10","3","7","1") = "9"
    & skf18("8","8","1","10","3","8","1") = "9"
    & skf18("8","8","1","10","3","9","1") = "9"
    & skf18("8","8","1","10","3","10","1") = "9"
    & skf18("8","8","1","10","4","1","1") = "9"
    & skf18("8","8","1","10","4","2","1") = "9"
    & skf18("8","8","1","10","4","3","1") = "9"
    & skf18("8","8","1","10","4","4","1") = "9"
    & skf18("8","8","1","10","4","5","1") = "9"
    & skf18("8","8","1","10","4","6","1") = "9"
    & skf18("8","8","1","10","4","7","1") = "9"
    & skf18("8","8","1","10","4","8","1") = "9"
    & skf18("8","8","1","10","4","9","1") = "9"
    & skf18("8","8","1","10","4","10","1") = "9"
    & skf18("8","8","1","10","5","1","1") = "9"
    & skf18("8","8","1","10","5","2","1") = "9"
    & skf18("8","8","1","10","5","3","1") = "9"
    & skf18("8","8","1","10","5","4","1") = "9"
    & skf18("8","8","1","10","5","5","1") = "9"
    & skf18("8","8","1","10","5","6","1") = "9"
    & skf18("8","8","1","10","5","7","1") = "9"
    & skf18("8","8","1","10","5","8","1") = "9"
    & skf18("8","8","1","10","5","9","1") = "9"
    & skf18("8","8","1","10","5","10","1") = "9"
    & skf18("8","8","1","10","6","1","1") = "9"
    & skf18("8","8","1","10","6","2","1") = "9"
    & skf18("8","8","1","10","6","3","1") = "9"
    & skf18("8","8","1","10","6","4","1") = "9"
    & skf18("8","8","1","10","6","5","1") = "9"
    & skf18("8","8","1","10","6","6","1") = "9"
    & skf18("8","8","1","10","6","7","1") = "9"
    & skf18("8","8","1","10","6","8","1") = "9"
    & skf18("8","8","1","10","6","9","1") = "9"
    & skf18("8","8","1","10","6","10","1") = "9"
    & skf18("8","8","1","10","7","1","1") = "9"
    & skf18("8","8","1","10","7","2","1") = "9"
    & skf18("8","8","1","10","7","3","1") = "9"
    & skf18("8","8","1","10","7","4","1") = "9"
    & skf18("8","8","1","10","7","5","1") = "9"
    & skf18("8","8","1","10","7","6","1") = "9"
    & skf18("8","8","1","10","7","7","1") = "9"
    & skf18("8","8","1","10","7","8","1") = "9"
    & skf18("8","8","1","10","7","9","1") = "9"
    & skf18("8","8","1","10","7","10","1") = "9"
    & skf18("8","8","1","10","8","1","1") = "9"
    & skf18("8","8","1","10","8","2","1") = "9"
    & skf18("8","8","1","10","8","3","1") = "9"
    & skf18("8","8","1","10","8","4","1") = "9"
    & skf18("8","8","1","10","8","5","1") = "9"
    & skf18("8","8","1","10","8","6","1") = "9"
    & skf18("8","8","1","10","8","7","1") = "9"
    & skf18("8","8","1","10","8","8","1") = "9"
    & skf18("8","8","1","10","8","9","1") = "9"
    & skf18("8","8","1","10","8","10","1") = "9"
    & skf18("8","8","1","10","9","1","1") = "9"
    & skf18("8","8","1","10","9","2","1") = "9"
    & skf18("8","8","1","10","9","3","1") = "9"
    & skf18("8","8","1","10","9","4","1") = "9"
    & skf18("8","8","1","10","9","5","1") = "9"
    & skf18("8","8","1","10","9","6","1") = "9"
    & skf18("8","8","1","10","9","7","1") = "9"
    & skf18("8","8","1","10","9","8","1") = "9"
    & skf18("8","8","1","10","9","9","1") = "9"
    & skf18("8","8","1","10","9","10","1") = "9"
    & skf18("8","8","1","10","10","1","1") = "9"
    & skf18("8","8","1","10","10","2","1") = "9"
    & skf18("8","8","1","10","10","3","1") = "9"
    & skf18("8","8","1","10","10","4","1") = "9"
    & skf18("8","8","1","10","10","5","1") = "9"
    & skf18("8","8","1","10","10","6","1") = "9"
    & skf18("8","8","1","10","10","7","1") = "9"
    & skf18("8","8","1","10","10","8","1") = "9"
    & skf18("8","8","1","10","10","9","1") = "9"
    & skf18("8","8","1","10","10","10","1") = "9"
    & skf18("8","8","2","1","1","1","1") = "7"
    & skf18("8","8","2","1","1","2","1") = "7"
    & skf18("8","8","2","1","1","3","1") = "7"
    & skf18("8","8","2","1","1","4","1") = "7"
    & skf18("8","8","2","1","1","5","1") = "7"
    & skf18("8","8","2","1","1","6","1") = "7"
    & skf18("8","8","2","1","1","7","1") = "7"
    & skf18("8","8","2","1","1","8","1") = "7"
    & skf18("8","8","2","1","1","9","1") = "8"
    & skf18("8","8","2","1","1","10","1") = "9"
    & skf18("8","8","2","1","2","1","1") = "7"
    & skf18("8","8","2","1","2","2","1") = "7"
    & skf18("8","8","2","1","2","3","1") = "7"
    & skf18("8","8","2","1","2","4","1") = "7"
    & skf18("8","8","2","1","2","5","1") = "7"
    & skf18("8","8","2","1","2","6","1") = "7"
    & skf18("8","8","2","1","2","7","1") = "7"
    & skf18("8","8","2","1","2","8","1") = "7"
    & skf18("8","8","2","1","2","9","1") = "8"
    & skf18("8","8","2","1","2","10","1") = "9"
    & skf18("8","8","2","1","3","1","1") = "7"
    & skf18("8","8","2","1","3","2","1") = "7"
    & skf18("8","8","2","1","3","3","1") = "7"
    & skf18("8","8","2","1","3","4","1") = "7"
    & skf18("8","8","2","1","3","5","1") = "7"
    & skf18("8","8","2","1","3","6","1") = "7"
    & skf18("8","8","2","1","3","7","1") = "7"
    & skf18("8","8","2","1","3","8","1") = "7"
    & skf18("8","8","2","1","3","9","1") = "8"
    & skf18("8","8","2","1","3","10","1") = "9"
    & skf18("8","8","2","1","4","1","1") = "7"
    & skf18("8","8","2","1","4","2","1") = "7"
    & skf18("8","8","2","1","4","3","1") = "7"
    & skf18("8","8","2","1","4","4","1") = "7"
    & skf18("8","8","2","1","4","5","1") = "7"
    & skf18("8","8","2","1","4","6","1") = "7"
    & skf18("8","8","2","1","4","7","1") = "7"
    & skf18("8","8","2","1","4","8","1") = "7"
    & skf18("8","8","2","1","4","9","1") = "8"
    & skf18("8","8","2","1","4","10","1") = "9"
    & skf18("8","8","2","1","5","1","1") = "7"
    & skf18("8","8","2","1","5","2","1") = "7"
    & skf18("8","8","2","1","5","3","1") = "7"
    & skf18("8","8","2","1","5","4","1") = "7"
    & skf18("8","8","2","1","5","5","1") = "7"
    & skf18("8","8","2","1","5","6","1") = "7"
    & skf18("8","8","2","1","5","7","1") = "7"
    & skf18("8","8","2","1","5","8","1") = "7"
    & skf18("8","8","2","1","5","9","1") = "8"
    & skf18("8","8","2","1","5","10","1") = "9"
    & skf18("8","8","2","1","6","1","1") = "7"
    & skf18("8","8","2","1","6","2","1") = "7"
    & skf18("8","8","2","1","6","3","1") = "7"
    & skf18("8","8","2","1","6","4","1") = "7"
    & skf18("8","8","2","1","6","5","1") = "7"
    & skf18("8","8","2","1","6","6","1") = "7"
    & skf18("8","8","2","1","6","7","1") = "7"
    & skf18("8","8","2","1","6","8","1") = "7"
    & skf18("8","8","2","1","6","9","1") = "8"
    & skf18("8","8","2","1","6","10","1") = "9"
    & skf18("8","8","2","1","7","1","1") = "7"
    & skf18("8","8","2","1","7","2","1") = "7"
    & skf18("8","8","2","1","7","3","1") = "7"
    & skf18("8","8","2","1","7","4","1") = "7"
    & skf18("8","8","2","1","7","5","1") = "7"
    & skf18("8","8","2","1","7","6","1") = "7"
    & skf18("8","8","2","1","7","7","1") = "7"
    & skf18("8","8","2","1","7","8","1") = "7"
    & skf18("8","8","2","1","7","9","1") = "8"
    & skf18("8","8","2","1","7","10","1") = "9"
    & skf18("8","8","2","1","8","1","1") = "7"
    & skf18("8","8","2","1","8","2","1") = "7"
    & skf18("8","8","2","1","8","3","1") = "7"
    & skf18("8","8","2","1","8","4","1") = "7"
    & skf18("8","8","2","1","8","5","1") = "7"
    & skf18("8","8","2","1","8","6","1") = "7"
    & skf18("8","8","2","1","8","7","1") = "7"
    & skf18("8","8","2","1","8","8","1") = "7"
    & skf18("8","8","2","1","8","9","1") = "8"
    & skf18("8","8","2","1","8","10","1") = "9"
    & skf18("8","8","2","1","9","1","1") = "8"
    & skf18("8","8","2","1","9","2","1") = "8"
    & skf18("8","8","2","1","9","3","1") = "8"
    & skf18("8","8","2","1","9","4","1") = "8"
    & skf18("8","8","2","1","9","5","1") = "8"
    & skf18("8","8","2","1","9","6","1") = "8"
    & skf18("8","8","2","1","9","7","1") = "8"
    & skf18("8","8","2","1","9","8","1") = "8"
    & skf18("8","8","2","1","9","9","1") = "8"
    & skf18("8","8","2","1","9","10","1") = "9"
    & skf18("8","8","2","1","10","1","1") = "9"
    & skf18("8","8","2","1","10","2","1") = "9"
    & skf18("8","8","2","1","10","3","1") = "9"
    & skf18("8","8","2","1","10","4","1") = "9"
    & skf18("8","8","2","1","10","5","1") = "9"
    & skf18("8","8","2","1","10","6","1") = "9"
    & skf18("8","8","2","1","10","7","1") = "9"
    & skf18("8","8","2","1","10","8","1") = "9"
    & skf18("8","8","2","1","10","9","1") = "9"
    & skf18("8","8","2","1","10","10","1") = "9"
    & skf18("8","8","2","2","1","1","1") = "7"
    & skf18("8","8","2","2","1","2","1") = "7"
    & skf18("8","8","2","2","1","3","1") = "7"
    & skf18("8","8","2","2","1","4","1") = "7"
    & skf18("8","8","2","2","1","5","1") = "7"
    & skf18("8","8","2","2","1","6","1") = "7"
    & skf18("8","8","2","2","1","7","1") = "7"
    & skf18("8","8","2","2","1","8","1") = "7"
    & skf18("8","8","2","2","1","9","1") = "8"
    & skf18("8","8","2","2","1","10","1") = "9"
    & skf18("8","8","2","2","2","1","1") = "7"
    & skf18("8","8","2","2","2","2","1") = "7"
    & skf18("8","8","2","2","2","3","1") = "7"
    & skf18("8","8","2","2","2","4","1") = "7"
    & skf18("8","8","2","2","2","5","1") = "7"
    & skf18("8","8","2","2","2","6","1") = "7"
    & skf18("8","8","2","2","2","7","1") = "7"
    & skf18("8","8","2","2","2","8","1") = "7"
    & skf18("8","8","2","2","2","9","1") = "8"
    & skf18("8","8","2","2","2","10","1") = "9"
    & skf18("8","8","2","2","3","1","1") = "7"
    & skf18("8","8","2","2","3","2","1") = "7"
    & skf18("8","8","2","2","3","3","1") = "7"
    & skf18("8","8","2","2","3","4","1") = "7"
    & skf18("8","8","2","2","3","5","1") = "7"
    & skf18("8","8","2","2","3","6","1") = "7"
    & skf18("8","8","2","2","3","7","1") = "7"
    & skf18("8","8","2","2","3","8","1") = "7"
    & skf18("8","8","2","2","3","9","1") = "8"
    & skf18("8","8","2","2","3","10","1") = "9"
    & skf18("8","8","2","2","4","1","1") = "7"
    & skf18("8","8","2","2","4","2","1") = "7"
    & skf18("8","8","2","2","4","3","1") = "7"
    & skf18("8","8","2","2","4","4","1") = "7"
    & skf18("8","8","2","2","4","5","1") = "7"
    & skf18("8","8","2","2","4","6","1") = "7"
    & skf18("8","8","2","2","4","7","1") = "7"
    & skf18("8","8","2","2","4","8","1") = "7"
    & skf18("8","8","2","2","4","9","1") = "8"
    & skf18("8","8","2","2","4","10","1") = "9"
    & skf18("8","8","2","2","5","1","1") = "7"
    & skf18("8","8","2","2","5","2","1") = "7"
    & skf18("8","8","2","2","5","3","1") = "7"
    & skf18("8","8","2","2","5","4","1") = "7"
    & skf18("8","8","2","2","5","5","1") = "7"
    & skf18("8","8","2","2","5","6","1") = "7"
    & skf18("8","8","2","2","5","7","1") = "7"
    & skf18("8","8","2","2","5","8","1") = "7"
    & skf18("8","8","2","2","5","9","1") = "8"
    & skf18("8","8","2","2","5","10","1") = "9"
    & skf18("8","8","2","2","6","1","1") = "7"
    & skf18("8","8","2","2","6","2","1") = "7"
    & skf18("8","8","2","2","6","3","1") = "7"
    & skf18("8","8","2","2","6","4","1") = "7"
    & skf18("8","8","2","2","6","5","1") = "7"
    & skf18("8","8","2","2","6","6","1") = "7"
    & skf18("8","8","2","2","6","7","1") = "7"
    & skf18("8","8","2","2","6","8","1") = "7"
    & skf18("8","8","2","2","6","9","1") = "8"
    & skf18("8","8","2","2","6","10","1") = "9"
    & skf18("8","8","2","2","7","1","1") = "7"
    & skf18("8","8","2","2","7","2","1") = "7"
    & skf18("8","8","2","2","7","3","1") = "7"
    & skf18("8","8","2","2","7","4","1") = "7"
    & skf18("8","8","2","2","7","5","1") = "7"
    & skf18("8","8","2","2","7","6","1") = "7"
    & skf18("8","8","2","2","7","7","1") = "7"
    & skf18("8","8","2","2","7","8","1") = "7"
    & skf18("8","8","2","2","7","9","1") = "8"
    & skf18("8","8","2","2","7","10","1") = "9"
    & skf18("8","8","2","2","8","1","1") = "7"
    & skf18("8","8","2","2","8","2","1") = "7"
    & skf18("8","8","2","2","8","3","1") = "7"
    & skf18("8","8","2","2","8","4","1") = "7"
    & skf18("8","8","2","2","8","5","1") = "7"
    & skf18("8","8","2","2","8","6","1") = "7"
    & skf18("8","8","2","2","8","7","1") = "7"
    & skf18("8","8","2","2","8","8","1") = "7"
    & skf18("8","8","2","2","8","9","1") = "8"
    & skf18("8","8","2","2","8","10","1") = "9"
    & skf18("8","8","2","2","9","1","1") = "8"
    & skf18("8","8","2","2","9","2","1") = "8"
    & skf18("8","8","2","2","9","3","1") = "8"
    & skf18("8","8","2","2","9","4","1") = "8"
    & skf18("8","8","2","2","9","5","1") = "8"
    & skf18("8","8","2","2","9","6","1") = "8"
    & skf18("8","8","2","2","9","7","1") = "8"
    & skf18("8","8","2","2","9","8","1") = "8"
    & skf18("8","8","2","2","9","9","1") = "8"
    & skf18("8","8","2","2","9","10","1") = "9"
    & skf18("8","8","2","2","10","1","1") = "9"
    & skf18("8","8","2","2","10","2","1") = "9"
    & skf18("8","8","2","2","10","3","1") = "9"
    & skf18("8","8","2","2","10","4","1") = "9"
    & skf18("8","8","2","2","10","5","1") = "9"
    & skf18("8","8","2","2","10","6","1") = "9"
    & skf18("8","8","2","2","10","7","1") = "9"
    & skf18("8","8","2","2","10","8","1") = "9"
    & skf18("8","8","2","2","10","9","1") = "9"
    & skf18("8","8","2","2","10","10","1") = "9"
    & skf18("8","8","2","3","1","1","1") = "7"
    & skf18("8","8","2","3","1","2","1") = "7"
    & skf18("8","8","2","3","1","3","1") = "7"
    & skf18("8","8","2","3","1","4","1") = "7"
    & skf18("8","8","2","3","1","5","1") = "7"
    & skf18("8","8","2","3","1","6","1") = "7"
    & skf18("8","8","2","3","1","7","1") = "7"
    & skf18("8","8","2","3","1","8","1") = "7"
    & skf18("8","8","2","3","1","9","1") = "8"
    & skf18("8","8","2","3","1","10","1") = "9"
    & skf18("8","8","2","3","2","1","1") = "7"
    & skf18("8","8","2","3","2","2","1") = "7"
    & skf18("8","8","2","3","2","3","1") = "7"
    & skf18("8","8","2","3","2","4","1") = "7"
    & skf18("8","8","2","3","2","5","1") = "7"
    & skf18("8","8","2","3","2","6","1") = "7"
    & skf18("8","8","2","3","2","7","1") = "7"
    & skf18("8","8","2","3","2","8","1") = "7"
    & skf18("8","8","2","3","2","9","1") = "8"
    & skf18("8","8","2","3","2","10","1") = "9"
    & skf18("8","8","2","3","3","1","1") = "7"
    & skf18("8","8","2","3","3","2","1") = "7"
    & skf18("8","8","2","3","3","3","1") = "7"
    & skf18("8","8","2","3","3","4","1") = "7"
    & skf18("8","8","2","3","3","5","1") = "7"
    & skf18("8","8","2","3","3","6","1") = "7"
    & skf18("8","8","2","3","3","7","1") = "7"
    & skf18("8","8","2","3","3","8","1") = "7"
    & skf18("8","8","2","3","3","9","1") = "8"
    & skf18("8","8","2","3","3","10","1") = "9"
    & skf18("8","8","2","3","4","1","1") = "7"
    & skf18("8","8","2","3","4","2","1") = "7"
    & skf18("8","8","2","3","4","3","1") = "7"
    & skf18("8","8","2","3","4","4","1") = "7"
    & skf18("8","8","2","3","4","5","1") = "7"
    & skf18("8","8","2","3","4","6","1") = "7"
    & skf18("8","8","2","3","4","7","1") = "7"
    & skf18("8","8","2","3","4","8","1") = "7"
    & skf18("8","8","2","3","4","9","1") = "8"
    & skf18("8","8","2","3","4","10","1") = "9"
    & skf18("8","8","2","3","5","1","1") = "7"
    & skf18("8","8","2","3","5","2","1") = "7"
    & skf18("8","8","2","3","5","3","1") = "7"
    & skf18("8","8","2","3","5","4","1") = "7"
    & skf18("8","8","2","3","5","5","1") = "7"
    & skf18("8","8","2","3","5","6","1") = "7"
    & skf18("8","8","2","3","5","7","1") = "7"
    & skf18("8","8","2","3","5","8","1") = "7"
    & skf18("8","8","2","3","5","9","1") = "8"
    & skf18("8","8","2","3","5","10","1") = "9"
    & skf18("8","8","2","3","6","1","1") = "7"
    & skf18("8","8","2","3","6","2","1") = "7"
    & skf18("8","8","2","3","6","3","1") = "7"
    & skf18("8","8","2","3","6","4","1") = "7"
    & skf18("8","8","2","3","6","5","1") = "7"
    & skf18("8","8","2","3","6","6","1") = "7"
    & skf18("8","8","2","3","6","7","1") = "7"
    & skf18("8","8","2","3","6","8","1") = "7"
    & skf18("8","8","2","3","6","9","1") = "8"
    & skf18("8","8","2","3","6","10","1") = "9"
    & skf18("8","8","2","3","7","1","1") = "7"
    & skf18("8","8","2","3","7","2","1") = "7"
    & skf18("8","8","2","3","7","3","1") = "7"
    & skf18("8","8","2","3","7","4","1") = "7"
    & skf18("8","8","2","3","7","5","1") = "7"
    & skf18("8","8","2","3","7","6","1") = "7"
    & skf18("8","8","2","3","7","7","1") = "7"
    & skf18("8","8","2","3","7","8","1") = "7"
    & skf18("8","8","2","3","7","9","1") = "8"
    & skf18("8","8","2","3","7","10","1") = "9"
    & skf18("8","8","2","3","8","1","1") = "7"
    & skf18("8","8","2","3","8","2","1") = "7"
    & skf18("8","8","2","3","8","3","1") = "7"
    & skf18("8","8","2","3","8","4","1") = "7"
    & skf18("8","8","2","3","8","5","1") = "7"
    & skf18("8","8","2","3","8","6","1") = "7"
    & skf18("8","8","2","3","8","7","1") = "7"
    & skf18("8","8","2","3","8","8","1") = "7"
    & skf18("8","8","2","3","8","9","1") = "8"
    & skf18("8","8","2","3","8","10","1") = "9"
    & skf18("8","8","2","3","9","1","1") = "8"
    & skf18("8","8","2","3","9","2","1") = "8"
    & skf18("8","8","2","3","9","3","1") = "8"
    & skf18("8","8","2","3","9","4","1") = "8"
    & skf18("8","8","2","3","9","5","1") = "8"
    & skf18("8","8","2","3","9","6","1") = "8"
    & skf18("8","8","2","3","9","7","1") = "8"
    & skf18("8","8","2","3","9","8","1") = "8"
    & skf18("8","8","2","3","9","9","1") = "8"
    & skf18("8","8","2","3","9","10","1") = "9"
    & skf18("8","8","2","3","10","1","1") = "9"
    & skf18("8","8","2","3","10","2","1") = "9"
    & skf18("8","8","2","3","10","3","1") = "9"
    & skf18("8","8","2","3","10","4","1") = "9"
    & skf18("8","8","2","3","10","5","1") = "9"
    & skf18("8","8","2","3","10","6","1") = "9"
    & skf18("8","8","2","3","10","7","1") = "9"
    & skf18("8","8","2","3","10","8","1") = "9"
    & skf18("8","8","2","3","10","9","1") = "9"
    & skf18("8","8","2","3","10","10","1") = "9"
    & skf18("8","8","2","4","1","1","1") = "7"
    & skf18("8","8","2","4","1","2","1") = "7"
    & skf18("8","8","2","4","1","3","1") = "7"
    & skf18("8","8","2","4","1","4","1") = "7"
    & skf18("8","8","2","4","1","5","1") = "7"
    & skf18("8","8","2","4","1","6","1") = "7"
    & skf18("8","8","2","4","1","7","1") = "7"
    & skf18("8","8","2","4","1","8","1") = "7"
    & skf18("8","8","2","4","1","9","1") = "8"
    & skf18("8","8","2","4","1","10","1") = "9"
    & skf18("8","8","2","4","2","1","1") = "7"
    & skf18("8","8","2","4","2","2","1") = "7"
    & skf18("8","8","2","4","2","3","1") = "7"
    & skf18("8","8","2","4","2","4","1") = "7"
    & skf18("8","8","2","4","2","5","1") = "7"
    & skf18("8","8","2","4","2","6","1") = "7"
    & skf18("8","8","2","4","2","7","1") = "7"
    & skf18("8","8","2","4","2","8","1") = "7"
    & skf18("8","8","2","4","2","9","1") = "8"
    & skf18("8","8","2","4","2","10","1") = "9"
    & skf18("8","8","2","4","3","1","1") = "7"
    & skf18("8","8","2","4","3","2","1") = "7"
    & skf18("8","8","2","4","3","3","1") = "7"
    & skf18("8","8","2","4","3","4","1") = "7"
    & skf18("8","8","2","4","3","5","1") = "7"
    & skf18("8","8","2","4","3","6","1") = "7"
    & skf18("8","8","2","4","3","7","1") = "7"
    & skf18("8","8","2","4","3","8","1") = "7"
    & skf18("8","8","2","4","3","9","1") = "8"
    & skf18("8","8","2","4","3","10","1") = "9"
    & skf18("8","8","2","4","4","1","1") = "7"
    & skf18("8","8","2","4","4","2","1") = "7"
    & skf18("8","8","2","4","4","3","1") = "7"
    & skf18("8","8","2","4","4","4","1") = "7"
    & skf18("8","8","2","4","4","5","1") = "7"
    & skf18("8","8","2","4","4","6","1") = "7"
    & skf18("8","8","2","4","4","7","1") = "7"
    & skf18("8","8","2","4","4","8","1") = "7"
    & skf18("8","8","2","4","4","9","1") = "8"
    & skf18("8","8","2","4","4","10","1") = "9"
    & skf18("8","8","2","4","5","1","1") = "7"
    & skf18("8","8","2","4","5","2","1") = "7"
    & skf18("8","8","2","4","5","3","1") = "7"
    & skf18("8","8","2","4","5","4","1") = "7"
    & skf18("8","8","2","4","5","5","1") = "7"
    & skf18("8","8","2","4","5","6","1") = "7"
    & skf18("8","8","2","4","5","7","1") = "7"
    & skf18("8","8","2","4","5","8","1") = "7"
    & skf18("8","8","2","4","5","9","1") = "8"
    & skf18("8","8","2","4","5","10","1") = "9"
    & skf18("8","8","2","4","6","1","1") = "7"
    & skf18("8","8","2","4","6","2","1") = "7"
    & skf18("8","8","2","4","6","3","1") = "7"
    & skf18("8","8","2","4","6","4","1") = "7"
    & skf18("8","8","2","4","6","5","1") = "7"
    & skf18("8","8","2","4","6","6","1") = "7"
    & skf18("8","8","2","4","6","7","1") = "7"
    & skf18("8","8","2","4","6","8","1") = "7"
    & skf18("8","8","2","4","6","9","1") = "8"
    & skf18("8","8","2","4","6","10","1") = "9"
    & skf18("8","8","2","4","7","1","1") = "7"
    & skf18("8","8","2","4","7","2","1") = "7"
    & skf18("8","8","2","4","7","3","1") = "7"
    & skf18("8","8","2","4","7","4","1") = "7"
    & skf18("8","8","2","4","7","5","1") = "7"
    & skf18("8","8","2","4","7","6","1") = "7"
    & skf18("8","8","2","4","7","7","1") = "7"
    & skf18("8","8","2","4","7","8","1") = "7"
    & skf18("8","8","2","4","7","9","1") = "8"
    & skf18("8","8","2","4","7","10","1") = "9"
    & skf18("8","8","2","4","8","1","1") = "7"
    & skf18("8","8","2","4","8","2","1") = "7"
    & skf18("8","8","2","4","8","3","1") = "7"
    & skf18("8","8","2","4","8","4","1") = "7"
    & skf18("8","8","2","4","8","5","1") = "7"
    & skf18("8","8","2","4","8","6","1") = "7"
    & skf18("8","8","2","4","8","7","1") = "7"
    & skf18("8","8","2","4","8","8","1") = "7"
    & skf18("8","8","2","4","8","9","1") = "8"
    & skf18("8","8","2","4","8","10","1") = "9"
    & skf18("8","8","2","4","9","1","1") = "8"
    & skf18("8","8","2","4","9","2","1") = "8"
    & skf18("8","8","2","4","9","3","1") = "8"
    & skf18("8","8","2","4","9","4","1") = "8"
    & skf18("8","8","2","4","9","5","1") = "8"
    & skf18("8","8","2","4","9","6","1") = "8"
    & skf18("8","8","2","4","9","7","1") = "8"
    & skf18("8","8","2","4","9","8","1") = "8"
    & skf18("8","8","2","4","9","9","1") = "8"
    & skf18("8","8","2","4","9","10","1") = "9"
    & skf18("8","8","2","4","10","1","1") = "9"
    & skf18("8","8","2","4","10","2","1") = "9"
    & skf18("8","8","2","4","10","3","1") = "9"
    & skf18("8","8","2","4","10","4","1") = "9"
    & skf18("8","8","2","4","10","5","1") = "9"
    & skf18("8","8","2","4","10","6","1") = "9"
    & skf18("8","8","2","4","10","7","1") = "9"
    & skf18("8","8","2","4","10","8","1") = "9"
    & skf18("8","8","2","4","10","9","1") = "9"
    & skf18("8","8","2","4","10","10","1") = "9"
    & skf18("8","8","2","5","1","1","1") = "7"
    & skf18("8","8","2","5","1","2","1") = "7"
    & skf18("8","8","2","5","1","3","1") = "7"
    & skf18("8","8","2","5","1","4","1") = "7"
    & skf18("8","8","2","5","1","5","1") = "7"
    & skf18("8","8","2","5","1","6","1") = "7"
    & skf18("8","8","2","5","1","7","1") = "7"
    & skf18("8","8","2","5","1","8","1") = "7"
    & skf18("8","8","2","5","1","9","1") = "8"
    & skf18("8","8","2","5","1","10","1") = "9"
    & skf18("8","8","2","5","2","1","1") = "7"
    & skf18("8","8","2","5","2","2","1") = "7"
    & skf18("8","8","2","5","2","3","1") = "7"
    & skf18("8","8","2","5","2","4","1") = "7"
    & skf18("8","8","2","5","2","5","1") = "7"
    & skf18("8","8","2","5","2","6","1") = "7"
    & skf18("8","8","2","5","2","7","1") = "7"
    & skf18("8","8","2","5","2","8","1") = "7"
    & skf18("8","8","2","5","2","9","1") = "8"
    & skf18("8","8","2","5","2","10","1") = "9"
    & skf18("8","8","2","5","3","1","1") = "7"
    & skf18("8","8","2","5","3","2","1") = "7"
    & skf18("8","8","2","5","3","3","1") = "7"
    & skf18("8","8","2","5","3","4","1") = "7"
    & skf18("8","8","2","5","3","5","1") = "7"
    & skf18("8","8","2","5","3","6","1") = "7"
    & skf18("8","8","2","5","3","7","1") = "7"
    & skf18("8","8","2","5","3","8","1") = "7"
    & skf18("8","8","2","5","3","9","1") = "8"
    & skf18("8","8","2","5","3","10","1") = "9"
    & skf18("8","8","2","5","4","1","1") = "7"
    & skf18("8","8","2","5","4","2","1") = "7"
    & skf18("8","8","2","5","4","3","1") = "7"
    & skf18("8","8","2","5","4","4","1") = "7"
    & skf18("8","8","2","5","4","5","1") = "7"
    & skf18("8","8","2","5","4","6","1") = "7"
    & skf18("8","8","2","5","4","7","1") = "7"
    & skf18("8","8","2","5","4","8","1") = "7"
    & skf18("8","8","2","5","4","9","1") = "8"
    & skf18("8","8","2","5","4","10","1") = "9"
    & skf18("8","8","2","5","5","1","1") = "7"
    & skf18("8","8","2","5","5","2","1") = "7"
    & skf18("8","8","2","5","5","3","1") = "7"
    & skf18("8","8","2","5","5","4","1") = "7"
    & skf18("8","8","2","5","5","5","1") = "7"
    & skf18("8","8","2","5","5","6","1") = "7"
    & skf18("8","8","2","5","5","7","1") = "7"
    & skf18("8","8","2","5","5","8","1") = "7"
    & skf18("8","8","2","5","5","9","1") = "8"
    & skf18("8","8","2","5","5","10","1") = "9"
    & skf18("8","8","2","5","6","1","1") = "7"
    & skf18("8","8","2","5","6","2","1") = "7"
    & skf18("8","8","2","5","6","3","1") = "7"
    & skf18("8","8","2","5","6","4","1") = "7"
    & skf18("8","8","2","5","6","5","1") = "7"
    & skf18("8","8","2","5","6","6","1") = "7"
    & skf18("8","8","2","5","6","7","1") = "7"
    & skf18("8","8","2","5","6","8","1") = "7"
    & skf18("8","8","2","5","6","9","1") = "8"
    & skf18("8","8","2","5","6","10","1") = "9"
    & skf18("8","8","2","5","7","1","1") = "7"
    & skf18("8","8","2","5","7","2","1") = "7"
    & skf18("8","8","2","5","7","3","1") = "7"
    & skf18("8","8","2","5","7","4","1") = "7"
    & skf18("8","8","2","5","7","5","1") = "7"
    & skf18("8","8","2","5","7","6","1") = "7"
    & skf18("8","8","2","5","7","7","1") = "7"
    & skf18("8","8","2","5","7","8","1") = "7"
    & skf18("8","8","2","5","7","9","1") = "8"
    & skf18("8","8","2","5","7","10","1") = "9"
    & skf18("8","8","2","5","8","1","1") = "7"
    & skf18("8","8","2","5","8","2","1") = "7"
    & skf18("8","8","2","5","8","3","1") = "7"
    & skf18("8","8","2","5","8","4","1") = "7"
    & skf18("8","8","2","5","8","5","1") = "7"
    & skf18("8","8","2","5","8","6","1") = "7"
    & skf18("8","8","2","5","8","7","1") = "7"
    & skf18("8","8","2","5","8","8","1") = "7"
    & skf18("8","8","2","5","8","9","1") = "8"
    & skf18("8","8","2","5","8","10","1") = "9"
    & skf18("8","8","2","5","9","1","1") = "8"
    & skf18("8","8","2","5","9","2","1") = "8"
    & skf18("8","8","2","5","9","3","1") = "8"
    & skf18("8","8","2","5","9","4","1") = "8"
    & skf18("8","8","2","5","9","5","1") = "8"
    & skf18("8","8","2","5","9","6","1") = "8"
    & skf18("8","8","2","5","9","7","1") = "8"
    & skf18("8","8","2","5","9","8","1") = "8"
    & skf18("8","8","2","5","9","9","1") = "8"
    & skf18("8","8","2","5","9","10","1") = "9"
    & skf18("8","8","2","5","10","1","1") = "9"
    & skf18("8","8","2","5","10","2","1") = "9"
    & skf18("8","8","2","5","10","3","1") = "9"
    & skf18("8","8","2","5","10","4","1") = "9"
    & skf18("8","8","2","5","10","5","1") = "9"
    & skf18("8","8","2","5","10","6","1") = "9"
    & skf18("8","8","2","5","10","7","1") = "9"
    & skf18("8","8","2","5","10","8","1") = "9"
    & skf18("8","8","2","5","10","9","1") = "9"
    & skf18("8","8","2","5","10","10","1") = "9"
    & skf18("8","8","2","6","1","1","1") = "7"
    & skf18("8","8","2","6","1","2","1") = "7"
    & skf18("8","8","2","6","1","3","1") = "7"
    & skf18("8","8","2","6","1","4","1") = "7"
    & skf18("8","8","2","6","1","5","1") = "7"
    & skf18("8","8","2","6","1","6","1") = "7"
    & skf18("8","8","2","6","1","7","1") = "7"
    & skf18("8","8","2","6","1","8","1") = "7"
    & skf18("8","8","2","6","1","9","1") = "8"
    & skf18("8","8","2","6","1","10","1") = "9"
    & skf18("8","8","2","6","2","1","1") = "7"
    & skf18("8","8","2","6","2","2","1") = "7"
    & skf18("8","8","2","6","2","3","1") = "7"
    & skf18("8","8","2","6","2","4","1") = "7"
    & skf18("8","8","2","6","2","5","1") = "7"
    & skf18("8","8","2","6","2","6","1") = "7"
    & skf18("8","8","2","6","2","7","1") = "7"
    & skf18("8","8","2","6","2","8","1") = "7"
    & skf18("8","8","2","6","2","9","1") = "8"
    & skf18("8","8","2","6","2","10","1") = "9"
    & skf18("8","8","2","6","3","1","1") = "7"
    & skf18("8","8","2","6","3","2","1") = "7"
    & skf18("8","8","2","6","3","3","1") = "7"
    & skf18("8","8","2","6","3","4","1") = "7"
    & skf18("8","8","2","6","3","5","1") = "7"
    & skf18("8","8","2","6","3","6","1") = "7"
    & skf18("8","8","2","6","3","7","1") = "7"
    & skf18("8","8","2","6","3","8","1") = "7"
    & skf18("8","8","2","6","3","9","1") = "8"
    & skf18("8","8","2","6","3","10","1") = "9"
    & skf18("8","8","2","6","4","1","1") = "7"
    & skf18("8","8","2","6","4","2","1") = "7"
    & skf18("8","8","2","6","4","3","1") = "7"
    & skf18("8","8","2","6","4","4","1") = "7"
    & skf18("8","8","2","6","4","5","1") = "7"
    & skf18("8","8","2","6","4","6","1") = "7"
    & skf18("8","8","2","6","4","7","1") = "7"
    & skf18("8","8","2","6","4","8","1") = "7"
    & skf18("8","8","2","6","4","9","1") = "8"
    & skf18("8","8","2","6","4","10","1") = "9"
    & skf18("8","8","2","6","5","1","1") = "7"
    & skf18("8","8","2","6","5","2","1") = "7"
    & skf18("8","8","2","6","5","3","1") = "7"
    & skf18("8","8","2","6","5","4","1") = "7"
    & skf18("8","8","2","6","5","5","1") = "7"
    & skf18("8","8","2","6","5","6","1") = "7"
    & skf18("8","8","2","6","5","7","1") = "7"
    & skf18("8","8","2","6","5","8","1") = "7"
    & skf18("8","8","2","6","5","9","1") = "8"
    & skf18("8","8","2","6","5","10","1") = "9"
    & skf18("8","8","2","6","6","1","1") = "7"
    & skf18("8","8","2","6","6","2","1") = "7"
    & skf18("8","8","2","6","6","3","1") = "7"
    & skf18("8","8","2","6","6","4","1") = "7"
    & skf18("8","8","2","6","6","5","1") = "7"
    & skf18("8","8","2","6","6","6","1") = "7"
    & skf18("8","8","2","6","6","7","1") = "7"
    & skf18("8","8","2","6","6","8","1") = "7"
    & skf18("8","8","2","6","6","9","1") = "8"
    & skf18("8","8","2","6","6","10","1") = "9"
    & skf18("8","8","2","6","7","1","1") = "7"
    & skf18("8","8","2","6","7","2","1") = "7"
    & skf18("8","8","2","6","7","3","1") = "7"
    & skf18("8","8","2","6","7","4","1") = "7"
    & skf18("8","8","2","6","7","5","1") = "7"
    & skf18("8","8","2","6","7","6","1") = "7"
    & skf18("8","8","2","6","7","7","1") = "7"
    & skf18("8","8","2","6","7","8","1") = "7"
    & skf18("8","8","2","6","7","9","1") = "8"
    & skf18("8","8","2","6","7","10","1") = "9"
    & skf18("8","8","2","6","8","1","1") = "7"
    & skf18("8","8","2","6","8","2","1") = "7"
    & skf18("8","8","2","6","8","3","1") = "7"
    & skf18("8","8","2","6","8","4","1") = "7"
    & skf18("8","8","2","6","8","5","1") = "7"
    & skf18("8","8","2","6","8","6","1") = "7"
    & skf18("8","8","2","6","8","7","1") = "7"
    & skf18("8","8","2","6","8","8","1") = "7"
    & skf18("8","8","2","6","8","9","1") = "8"
    & skf18("8","8","2","6","8","10","1") = "9"
    & skf18("8","8","2","6","9","1","1") = "8"
    & skf18("8","8","2","6","9","2","1") = "8"
    & skf18("8","8","2","6","9","3","1") = "8"
    & skf18("8","8","2","6","9","4","1") = "8"
    & skf18("8","8","2","6","9","5","1") = "8"
    & skf18("8","8","2","6","9","6","1") = "8"
    & skf18("8","8","2","6","9","7","1") = "8"
    & skf18("8","8","2","6","9","8","1") = "8"
    & skf18("8","8","2","6","9","9","1") = "8"
    & skf18("8","8","2","6","9","10","1") = "9"
    & skf18("8","8","2","6","10","1","1") = "9"
    & skf18("8","8","2","6","10","2","1") = "9"
    & skf18("8","8","2","6","10","3","1") = "9"
    & skf18("8","8","2","6","10","4","1") = "9"
    & skf18("8","8","2","6","10","5","1") = "9"
    & skf18("8","8","2","6","10","6","1") = "9"
    & skf18("8","8","2","6","10","7","1") = "9"
    & skf18("8","8","2","6","10","8","1") = "9"
    & skf18("8","8","2","6","10","9","1") = "9"
    & skf18("8","8","2","6","10","10","1") = "9"
    & skf18("8","8","2","7","1","1","1") = "7"
    & skf18("8","8","2","7","1","2","1") = "7"
    & skf18("8","8","2","7","1","3","1") = "7"
    & skf18("8","8","2","7","1","4","1") = "7"
    & skf18("8","8","2","7","1","5","1") = "7"
    & skf18("8","8","2","7","1","6","1") = "7"
    & skf18("8","8","2","7","1","7","1") = "7"
    & skf18("8","8","2","7","1","8","1") = "7"
    & skf18("8","8","2","7","1","9","1") = "8"
    & skf18("8","8","2","7","1","10","1") = "9"
    & skf18("8","8","2","7","2","1","1") = "7"
    & skf18("8","8","2","7","2","2","1") = "7"
    & skf18("8","8","2","7","2","3","1") = "7"
    & skf18("8","8","2","7","2","4","1") = "7"
    & skf18("8","8","2","7","2","5","1") = "7"
    & skf18("8","8","2","7","2","6","1") = "7"
    & skf18("8","8","2","7","2","7","1") = "7"
    & skf18("8","8","2","7","2","8","1") = "7"
    & skf18("8","8","2","7","2","9","1") = "8"
    & skf18("8","8","2","7","2","10","1") = "9"
    & skf18("8","8","2","7","3","1","1") = "7"
    & skf18("8","8","2","7","3","2","1") = "7"
    & skf18("8","8","2","7","3","3","1") = "7"
    & skf18("8","8","2","7","3","4","1") = "7"
    & skf18("8","8","2","7","3","5","1") = "7"
    & skf18("8","8","2","7","3","6","1") = "7"
    & skf18("8","8","2","7","3","7","1") = "7"
    & skf18("8","8","2","7","3","8","1") = "7"
    & skf18("8","8","2","7","3","9","1") = "8"
    & skf18("8","8","2","7","3","10","1") = "9"
    & skf18("8","8","2","7","4","1","1") = "7"
    & skf18("8","8","2","7","4","2","1") = "7"
    & skf18("8","8","2","7","4","3","1") = "7"
    & skf18("8","8","2","7","4","4","1") = "7"
    & skf18("8","8","2","7","4","5","1") = "7"
    & skf18("8","8","2","7","4","6","1") = "7"
    & skf18("8","8","2","7","4","7","1") = "7"
    & skf18("8","8","2","7","4","8","1") = "7"
    & skf18("8","8","2","7","4","9","1") = "8"
    & skf18("8","8","2","7","4","10","1") = "9"
    & skf18("8","8","2","7","5","1","1") = "7"
    & skf18("8","8","2","7","5","2","1") = "7"
    & skf18("8","8","2","7","5","3","1") = "7"
    & skf18("8","8","2","7","5","4","1") = "7"
    & skf18("8","8","2","7","5","5","1") = "7"
    & skf18("8","8","2","7","5","6","1") = "7"
    & skf18("8","8","2","7","5","7","1") = "7"
    & skf18("8","8","2","7","5","8","1") = "7"
    & skf18("8","8","2","7","5","9","1") = "8"
    & skf18("8","8","2","7","5","10","1") = "9"
    & skf18("8","8","2","7","6","1","1") = "7"
    & skf18("8","8","2","7","6","2","1") = "7"
    & skf18("8","8","2","7","6","3","1") = "7"
    & skf18("8","8","2","7","6","4","1") = "7"
    & skf18("8","8","2","7","6","5","1") = "7"
    & skf18("8","8","2","7","6","6","1") = "7"
    & skf18("8","8","2","7","6","7","1") = "7"
    & skf18("8","8","2","7","6","8","1") = "7"
    & skf18("8","8","2","7","6","9","1") = "8"
    & skf18("8","8","2","7","6","10","1") = "9"
    & skf18("8","8","2","7","7","1","1") = "7"
    & skf18("8","8","2","7","7","2","1") = "7"
    & skf18("8","8","2","7","7","3","1") = "7"
    & skf18("8","8","2","7","7","4","1") = "7"
    & skf18("8","8","2","7","7","5","1") = "7"
    & skf18("8","8","2","7","7","6","1") = "7"
    & skf18("8","8","2","7","7","7","1") = "7"
    & skf18("8","8","2","7","7","8","1") = "7"
    & skf18("8","8","2","7","7","9","1") = "8"
    & skf18("8","8","2","7","7","10","1") = "9"
    & skf18("8","8","2","7","8","1","1") = "7"
    & skf18("8","8","2","7","8","2","1") = "7"
    & skf18("8","8","2","7","8","3","1") = "7"
    & skf18("8","8","2","7","8","4","1") = "7"
    & skf18("8","8","2","7","8","5","1") = "7"
    & skf18("8","8","2","7","8","6","1") = "7"
    & skf18("8","8","2","7","8","7","1") = "7"
    & skf18("8","8","2","7","8","8","1") = "7"
    & skf18("8","8","2","7","8","9","1") = "8"
    & skf18("8","8","2","7","8","10","1") = "9"
    & skf18("8","8","2","7","9","1","1") = "8"
    & skf18("8","8","2","7","9","2","1") = "8"
    & skf18("8","8","2","7","9","3","1") = "8"
    & skf18("8","8","2","7","9","4","1") = "8"
    & skf18("8","8","2","7","9","5","1") = "8"
    & skf18("8","8","2","7","9","6","1") = "8"
    & skf18("8","8","2","7","9","7","1") = "8"
    & skf18("8","8","2","7","9","8","1") = "8"
    & skf18("8","8","2","7","9","9","1") = "8"
    & skf18("8","8","2","7","9","10","1") = "9"
    & skf18("8","8","2","7","10","1","1") = "9"
    & skf18("8","8","2","7","10","2","1") = "9"
    & skf18("8","8","2","7","10","3","1") = "9"
    & skf18("8","8","2","7","10","4","1") = "9"
    & skf18("8","8","2","7","10","5","1") = "9"
    & skf18("8","8","2","7","10","6","1") = "9"
    & skf18("8","8","2","7","10","7","1") = "9"
    & skf18("8","8","2","7","10","8","1") = "9"
    & skf18("8","8","2","7","10","9","1") = "9"
    & skf18("8","8","2","7","10","10","1") = "9"
    & skf18("8","8","2","8","1","1","1") = "7"
    & skf18("8","8","2","8","1","2","1") = "7"
    & skf18("8","8","2","8","1","3","1") = "7"
    & skf18("8","8","2","8","1","4","1") = "7"
    & skf18("8","8","2","8","1","5","1") = "7"
    & skf18("8","8","2","8","1","6","1") = "7"
    & skf18("8","8","2","8","1","7","1") = "7"
    & skf18("8","8","2","8","1","8","1") = "7"
    & skf18("8","8","2","8","1","9","1") = "8"
    & skf18("8","8","2","8","1","10","1") = "9"
    & skf18("8","8","2","8","2","1","1") = "7"
    & skf18("8","8","2","8","2","2","1") = "7"
    & skf18("8","8","2","8","2","3","1") = "7"
    & skf18("8","8","2","8","2","4","1") = "7"
    & skf18("8","8","2","8","2","5","1") = "7"
    & skf18("8","8","2","8","2","6","1") = "7"
    & skf18("8","8","2","8","2","7","1") = "7"
    & skf18("8","8","2","8","2","8","1") = "7"
    & skf18("8","8","2","8","2","9","1") = "8"
    & skf18("8","8","2","8","2","10","1") = "9"
    & skf18("8","8","2","8","3","1","1") = "7"
    & skf18("8","8","2","8","3","2","1") = "7"
    & skf18("8","8","2","8","3","3","1") = "7"
    & skf18("8","8","2","8","3","4","1") = "7"
    & skf18("8","8","2","8","3","5","1") = "7"
    & skf18("8","8","2","8","3","6","1") = "7"
    & skf18("8","8","2","8","3","7","1") = "7"
    & skf18("8","8","2","8","3","8","1") = "7"
    & skf18("8","8","2","8","3","9","1") = "8"
    & skf18("8","8","2","8","3","10","1") = "9"
    & skf18("8","8","2","8","4","1","1") = "7"
    & skf18("8","8","2","8","4","2","1") = "7"
    & skf18("8","8","2","8","4","3","1") = "7"
    & skf18("8","8","2","8","4","4","1") = "7"
    & skf18("8","8","2","8","4","5","1") = "7"
    & skf18("8","8","2","8","4","6","1") = "7"
    & skf18("8","8","2","8","4","7","1") = "7"
    & skf18("8","8","2","8","4","8","1") = "7"
    & skf18("8","8","2","8","4","9","1") = "8"
    & skf18("8","8","2","8","4","10","1") = "9"
    & skf18("8","8","2","8","5","1","1") = "7"
    & skf18("8","8","2","8","5","2","1") = "7"
    & skf18("8","8","2","8","5","3","1") = "7"
    & skf18("8","8","2","8","5","4","1") = "7"
    & skf18("8","8","2","8","5","5","1") = "7"
    & skf18("8","8","2","8","5","6","1") = "7"
    & skf18("8","8","2","8","5","7","1") = "7"
    & skf18("8","8","2","8","5","8","1") = "7"
    & skf18("8","8","2","8","5","9","1") = "8"
    & skf18("8","8","2","8","5","10","1") = "9"
    & skf18("8","8","2","8","6","1","1") = "7"
    & skf18("8","8","2","8","6","2","1") = "7"
    & skf18("8","8","2","8","6","3","1") = "7"
    & skf18("8","8","2","8","6","4","1") = "7"
    & skf18("8","8","2","8","6","5","1") = "7"
    & skf18("8","8","2","8","6","6","1") = "7"
    & skf18("8","8","2","8","6","7","1") = "7"
    & skf18("8","8","2","8","6","8","1") = "7"
    & skf18("8","8","2","8","6","9","1") = "8"
    & skf18("8","8","2","8","6","10","1") = "9"
    & skf18("8","8","2","8","7","1","1") = "7"
    & skf18("8","8","2","8","7","2","1") = "7"
    & skf18("8","8","2","8","7","3","1") = "7"
    & skf18("8","8","2","8","7","4","1") = "7"
    & skf18("8","8","2","8","7","5","1") = "7"
    & skf18("8","8","2","8","7","6","1") = "7"
    & skf18("8","8","2","8","7","7","1") = "7"
    & skf18("8","8","2","8","7","8","1") = "7"
    & skf18("8","8","2","8","7","9","1") = "8"
    & skf18("8","8","2","8","7","10","1") = "9"
    & skf18("8","8","2","8","8","1","1") = "7"
    & skf18("8","8","2","8","8","2","1") = "7"
    & skf18("8","8","2","8","8","3","1") = "7"
    & skf18("8","8","2","8","8","4","1") = "7"
    & skf18("8","8","2","8","8","5","1") = "7"
    & skf18("8","8","2","8","8","6","1") = "7"
    & skf18("8","8","2","8","8","7","1") = "7"
    & skf18("8","8","2","8","8","8","1") = "7"
    & skf18("8","8","2","8","8","9","1") = "8"
    & skf18("8","8","2","8","8","10","1") = "9"
    & skf18("8","8","2","8","9","1","1") = "8"
    & skf18("8","8","2","8","9","2","1") = "8"
    & skf18("8","8","2","8","9","3","1") = "8"
    & skf18("8","8","2","8","9","4","1") = "8"
    & skf18("8","8","2","8","9","5","1") = "8"
    & skf18("8","8","2","8","9","6","1") = "8"
    & skf18("8","8","2","8","9","7","1") = "8"
    & skf18("8","8","2","8","9","8","1") = "8"
    & skf18("8","8","2","8","9","9","1") = "8"
    & skf18("8","8","2","8","9","10","1") = "9"
    & skf18("8","8","2","8","10","1","1") = "9"
    & skf18("8","8","2","8","10","2","1") = "9"
    & skf18("8","8","2","8","10","3","1") = "9"
    & skf18("8","8","2","8","10","4","1") = "9"
    & skf18("8","8","2","8","10","5","1") = "9"
    & skf18("8","8","2","8","10","6","1") = "9"
    & skf18("8","8","2","8","10","7","1") = "9"
    & skf18("8","8","2","8","10","8","1") = "9"
    & skf18("8","8","2","8","10","9","1") = "9"
    & skf18("8","8","2","8","10","10","1") = "9"
    & skf18("8","8","2","9","1","1","1") = "8"
    & skf18("8","8","2","9","1","2","1") = "8"
    & skf18("8","8","2","9","1","3","1") = "8"
    & skf18("8","8","2","9","1","4","1") = "8"
    & skf18("8","8","2","9","1","5","1") = "8"
    & skf18("8","8","2","9","1","6","1") = "8"
    & skf18("8","8","2","9","1","7","1") = "8"
    & skf18("8","8","2","9","1","8","1") = "8"
    & skf18("8","8","2","9","1","9","1") = "8"
    & skf18("8","8","2","9","1","10","1") = "9"
    & skf18("8","8","2","9","2","1","1") = "8"
    & skf18("8","8","2","9","2","2","1") = "8"
    & skf18("8","8","2","9","2","3","1") = "8"
    & skf18("8","8","2","9","2","4","1") = "8"
    & skf18("8","8","2","9","2","5","1") = "8"
    & skf18("8","8","2","9","2","6","1") = "8"
    & skf18("8","8","2","9","2","7","1") = "8"
    & skf18("8","8","2","9","2","8","1") = "8"
    & skf18("8","8","2","9","2","9","1") = "8"
    & skf18("8","8","2","9","2","10","1") = "9"
    & skf18("8","8","2","9","3","1","1") = "8"
    & skf18("8","8","2","9","3","2","1") = "8"
    & skf18("8","8","2","9","3","3","1") = "8"
    & skf18("8","8","2","9","3","4","1") = "8"
    & skf18("8","8","2","9","3","5","1") = "8"
    & skf18("8","8","2","9","3","6","1") = "8"
    & skf18("8","8","2","9","3","7","1") = "8"
    & skf18("8","8","2","9","3","8","1") = "8"
    & skf18("8","8","2","9","3","9","1") = "8"
    & skf18("8","8","2","9","3","10","1") = "9"
    & skf18("8","8","2","9","4","1","1") = "8"
    & skf18("8","8","2","9","4","2","1") = "8"
    & skf18("8","8","2","9","4","3","1") = "8"
    & skf18("8","8","2","9","4","4","1") = "8"
    & skf18("8","8","2","9","4","5","1") = "8"
    & skf18("8","8","2","9","4","6","1") = "8"
    & skf18("8","8","2","9","4","7","1") = "8"
    & skf18("8","8","2","9","4","8","1") = "8"
    & skf18("8","8","2","9","4","9","1") = "8"
    & skf18("8","8","2","9","4","10","1") = "9"
    & skf18("8","8","2","9","5","1","1") = "8"
    & skf18("8","8","2","9","5","2","1") = "8"
    & skf18("8","8","2","9","5","3","1") = "8"
    & skf18("8","8","2","9","5","4","1") = "8"
    & skf18("8","8","2","9","5","5","1") = "8"
    & skf18("8","8","2","9","5","6","1") = "8"
    & skf18("8","8","2","9","5","7","1") = "8"
    & skf18("8","8","2","9","5","8","1") = "8"
    & skf18("8","8","2","9","5","9","1") = "8"
    & skf18("8","8","2","9","5","10","1") = "9"
    & skf18("8","8","2","9","6","1","1") = "8"
    & skf18("8","8","2","9","6","2","1") = "8"
    & skf18("8","8","2","9","6","3","1") = "8"
    & skf18("8","8","2","9","6","4","1") = "8"
    & skf18("8","8","2","9","6","5","1") = "8"
    & skf18("8","8","2","9","6","6","1") = "8"
    & skf18("8","8","2","9","6","7","1") = "8"
    & skf18("8","8","2","9","6","8","1") = "8"
    & skf18("8","8","2","9","6","9","1") = "8"
    & skf18("8","8","2","9","6","10","1") = "9"
    & skf18("8","8","2","9","7","1","1") = "8"
    & skf18("8","8","2","9","7","2","1") = "8"
    & skf18("8","8","2","9","7","3","1") = "8"
    & skf18("8","8","2","9","7","4","1") = "8"
    & skf18("8","8","2","9","7","5","1") = "8"
    & skf18("8","8","2","9","7","6","1") = "8"
    & skf18("8","8","2","9","7","7","1") = "8"
    & skf18("8","8","2","9","7","8","1") = "8"
    & skf18("8","8","2","9","7","9","1") = "8"
    & skf18("8","8","2","9","7","10","1") = "9"
    & skf18("8","8","2","9","8","1","1") = "8"
    & skf18("8","8","2","9","8","2","1") = "8"
    & skf18("8","8","2","9","8","3","1") = "8"
    & skf18("8","8","2","9","8","4","1") = "8"
    & skf18("8","8","2","9","8","5","1") = "8"
    & skf18("8","8","2","9","8","6","1") = "8"
    & skf18("8","8","2","9","8","7","1") = "8"
    & skf18("8","8","2","9","8","8","1") = "8"
    & skf18("8","8","2","9","8","9","1") = "8"
    & skf18("8","8","2","9","8","10","1") = "9"
    & skf18("8","8","2","9","9","1","1") = "8"
    & skf18("8","8","2","9","9","2","1") = "8"
    & skf18("8","8","2","9","9","3","1") = "8"
    & skf18("8","8","2","9","9","4","1") = "8"
    & skf18("8","8","2","9","9","5","1") = "8"
    & skf18("8","8","2","9","9","6","1") = "8"
    & skf18("8","8","2","9","9","7","1") = "8"
    & skf18("8","8","2","9","9","8","1") = "8"
    & skf18("8","8","2","9","9","9","1") = "8"
    & skf18("8","8","2","9","9","10","1") = "9"
    & skf18("8","8","2","9","10","1","1") = "9"
    & skf18("8","8","2","9","10","2","1") = "9"
    & skf18("8","8","2","9","10","3","1") = "9"
    & skf18("8","8","2","9","10","4","1") = "9"
    & skf18("8","8","2","9","10","5","1") = "9"
    & skf18("8","8","2","9","10","6","1") = "9"
    & skf18("8","8","2","9","10","7","1") = "9"
    & skf18("8","8","2","9","10","8","1") = "9"
    & skf18("8","8","2","9","10","9","1") = "9"
    & skf18("8","8","2","9","10","10","1") = "9"
    & skf18("8","8","2","10","1","1","1") = "9"
    & skf18("8","8","2","10","1","2","1") = "9"
    & skf18("8","8","2","10","1","3","1") = "9"
    & skf18("8","8","2","10","1","4","1") = "9"
    & skf18("8","8","2","10","1","5","1") = "9"
    & skf18("8","8","2","10","1","6","1") = "9"
    & skf18("8","8","2","10","1","7","1") = "9"
    & skf18("8","8","2","10","1","8","1") = "9"
    & skf18("8","8","2","10","1","9","1") = "9"
    & skf18("8","8","2","10","1","10","1") = "9"
    & skf18("8","8","2","10","2","1","1") = "9"
    & skf18("8","8","2","10","2","2","1") = "9"
    & skf18("8","8","2","10","2","3","1") = "9"
    & skf18("8","8","2","10","2","4","1") = "9"
    & skf18("8","8","2","10","2","5","1") = "9"
    & skf18("8","8","2","10","2","6","1") = "9"
    & skf18("8","8","2","10","2","7","1") = "9"
    & skf18("8","8","2","10","2","8","1") = "9"
    & skf18("8","8","2","10","2","9","1") = "9"
    & skf18("8","8","2","10","2","10","1") = "9"
    & skf18("8","8","2","10","3","1","1") = "9"
    & skf18("8","8","2","10","3","2","1") = "9"
    & skf18("8","8","2","10","3","3","1") = "9"
    & skf18("8","8","2","10","3","4","1") = "9"
    & skf18("8","8","2","10","3","5","1") = "9"
    & skf18("8","8","2","10","3","6","1") = "9"
    & skf18("8","8","2","10","3","7","1") = "9"
    & skf18("8","8","2","10","3","8","1") = "9"
    & skf18("8","8","2","10","3","9","1") = "9"
    & skf18("8","8","2","10","3","10","1") = "9"
    & skf18("8","8","2","10","4","1","1") = "9"
    & skf18("8","8","2","10","4","2","1") = "9"
    & skf18("8","8","2","10","4","3","1") = "9"
    & skf18("8","8","2","10","4","4","1") = "9"
    & skf18("8","8","2","10","4","5","1") = "9"
    & skf18("8","8","2","10","4","6","1") = "9"
    & skf18("8","8","2","10","4","7","1") = "9"
    & skf18("8","8","2","10","4","8","1") = "9"
    & skf18("8","8","2","10","4","9","1") = "9"
    & skf18("8","8","2","10","4","10","1") = "9"
    & skf18("8","8","2","10","5","1","1") = "9"
    & skf18("8","8","2","10","5","2","1") = "9"
    & skf18("8","8","2","10","5","3","1") = "9"
    & skf18("8","8","2","10","5","4","1") = "9"
    & skf18("8","8","2","10","5","5","1") = "9"
    & skf18("8","8","2","10","5","6","1") = "9"
    & skf18("8","8","2","10","5","7","1") = "9"
    & skf18("8","8","2","10","5","8","1") = "9"
    & skf18("8","8","2","10","5","9","1") = "9"
    & skf18("8","8","2","10","5","10","1") = "9"
    & skf18("8","8","2","10","6","1","1") = "9"
    & skf18("8","8","2","10","6","2","1") = "9"
    & skf18("8","8","2","10","6","3","1") = "9"
    & skf18("8","8","2","10","6","4","1") = "9"
    & skf18("8","8","2","10","6","5","1") = "9"
    & skf18("8","8","2","10","6","6","1") = "9"
    & skf18("8","8","2","10","6","7","1") = "9"
    & skf18("8","8","2","10","6","8","1") = "9"
    & skf18("8","8","2","10","6","9","1") = "9"
    & skf18("8","8","2","10","6","10","1") = "9"
    & skf18("8","8","2","10","7","1","1") = "9"
    & skf18("8","8","2","10","7","2","1") = "9"
    & skf18("8","8","2","10","7","3","1") = "9"
    & skf18("8","8","2","10","7","4","1") = "9"
    & skf18("8","8","2","10","7","5","1") = "9"
    & skf18("8","8","2","10","7","6","1") = "9"
    & skf18("8","8","2","10","7","7","1") = "9"
    & skf18("8","8","2","10","7","8","1") = "9"
    & skf18("8","8","2","10","7","9","1") = "9"
    & skf18("8","8","2","10","7","10","1") = "9"
    & skf18("8","8","2","10","8","1","1") = "9"
    & skf18("8","8","2","10","8","2","1") = "9"
    & skf18("8","8","2","10","8","3","1") = "9"
    & skf18("8","8","2","10","8","4","1") = "9"
    & skf18("8","8","2","10","8","5","1") = "9"
    & skf18("8","8","2","10","8","6","1") = "9"
    & skf18("8","8","2","10","8","7","1") = "9"
    & skf18("8","8","2","10","8","8","1") = "9"
    & skf18("8","8","2","10","8","9","1") = "9"
    & skf18("8","8","2","10","8","10","1") = "9"
    & skf18("8","8","2","10","9","1","1") = "9"
    & skf18("8","8","2","10","9","2","1") = "9"
    & skf18("8","8","2","10","9","3","1") = "9"
    & skf18("8","8","2","10","9","4","1") = "9"
    & skf18("8","8","2","10","9","5","1") = "9"
    & skf18("8","8","2","10","9","6","1") = "9"
    & skf18("8","8","2","10","9","7","1") = "9"
    & skf18("8","8","2","10","9","8","1") = "9"
    & skf18("8","8","2","10","9","9","1") = "9"
    & skf18("8","8","2","10","9","10","1") = "9"
    & skf18("8","8","2","10","10","1","1") = "9"
    & skf18("8","8","2","10","10","2","1") = "9"
    & skf18("8","8","2","10","10","3","1") = "9"
    & skf18("8","8","2","10","10","4","1") = "9"
    & skf18("8","8","2","10","10","5","1") = "9"
    & skf18("8","8","2","10","10","6","1") = "9"
    & skf18("8","8","2","10","10","7","1") = "9"
    & skf18("8","8","2","10","10","8","1") = "9"
    & skf18("8","8","2","10","10","9","1") = "9"
    & skf18("8","8","2","10","10","10","1") = "9"
    & skf18("8","8","3","1","1","1","1") = "7"
    & skf18("8","8","3","1","1","2","1") = "7"
    & skf18("8","8","3","1","1","3","1") = "7"
    & skf18("8","8","3","1","1","4","1") = "7"
    & skf18("8","8","3","1","1","5","1") = "7"
    & skf18("8","8","3","1","1","6","1") = "7"
    & skf18("8","8","3","1","1","7","1") = "7"
    & skf18("8","8","3","1","1","8","1") = "7"
    & skf18("8","8","3","1","1","9","1") = "8"
    & skf18("8","8","3","1","1","10","1") = "9"
    & skf18("8","8","3","1","2","1","1") = "7"
    & skf18("8","8","3","1","2","2","1") = "7"
    & skf18("8","8","3","1","2","3","1") = "7"
    & skf18("8","8","3","1","2","4","1") = "7"
    & skf18("8","8","3","1","2","5","1") = "7"
    & skf18("8","8","3","1","2","6","1") = "7"
    & skf18("8","8","3","1","2","7","1") = "7"
    & skf18("8","8","3","1","2","8","1") = "7"
    & skf18("8","8","3","1","2","9","1") = "8"
    & skf18("8","8","3","1","2","10","1") = "9"
    & skf18("8","8","3","1","3","1","1") = "7"
    & skf18("8","8","3","1","3","2","1") = "7"
    & skf18("8","8","3","1","3","3","1") = "7"
    & skf18("8","8","3","1","3","4","1") = "7"
    & skf18("8","8","3","1","3","5","1") = "7"
    & skf18("8","8","3","1","3","6","1") = "7"
    & skf18("8","8","3","1","3","7","1") = "7"
    & skf18("8","8","3","1","3","8","1") = "7"
    & skf18("8","8","3","1","3","9","1") = "8"
    & skf18("8","8","3","1","3","10","1") = "9"
    & skf18("8","8","3","1","4","1","1") = "7"
    & skf18("8","8","3","1","4","2","1") = "7"
    & skf18("8","8","3","1","4","3","1") = "7"
    & skf18("8","8","3","1","4","4","1") = "7"
    & skf18("8","8","3","1","4","5","1") = "7"
    & skf18("8","8","3","1","4","6","1") = "7"
    & skf18("8","8","3","1","4","7","1") = "7"
    & skf18("8","8","3","1","4","8","1") = "7"
    & skf18("8","8","3","1","4","9","1") = "8"
    & skf18("8","8","3","1","4","10","1") = "9"
    & skf18("8","8","3","1","5","1","1") = "7"
    & skf18("8","8","3","1","5","2","1") = "7"
    & skf18("8","8","3","1","5","3","1") = "7"
    & skf18("8","8","3","1","5","4","1") = "7"
    & skf18("8","8","3","1","5","5","1") = "7"
    & skf18("8","8","3","1","5","6","1") = "7"
    & skf18("8","8","3","1","5","7","1") = "7"
    & skf18("8","8","3","1","5","8","1") = "7"
    & skf18("8","8","3","1","5","9","1") = "8"
    & skf18("8","8","3","1","5","10","1") = "9"
    & skf18("8","8","3","1","6","1","1") = "7"
    & skf18("8","8","3","1","6","2","1") = "7"
    & skf18("8","8","3","1","6","3","1") = "7"
    & skf18("8","8","3","1","6","4","1") = "7"
    & skf18("8","8","3","1","6","5","1") = "7"
    & skf18("8","8","3","1","6","6","1") = "7"
    & skf18("8","8","3","1","6","7","1") = "7"
    & skf18("8","8","3","1","6","8","1") = "7"
    & skf18("8","8","3","1","6","9","1") = "8"
    & skf18("8","8","3","1","6","10","1") = "9"
    & skf18("8","8","3","1","7","1","1") = "7"
    & skf18("8","8","3","1","7","2","1") = "7"
    & skf18("8","8","3","1","7","3","1") = "7"
    & skf18("8","8","3","1","7","4","1") = "7"
    & skf18("8","8","3","1","7","5","1") = "7"
    & skf18("8","8","3","1","7","6","1") = "7"
    & skf18("8","8","3","1","7","7","1") = "7"
    & skf18("8","8","3","1","7","8","1") = "7"
    & skf18("8","8","3","1","7","9","1") = "8"
    & skf18("8","8","3","1","7","10","1") = "9"
    & skf18("8","8","3","1","8","1","1") = "7"
    & skf18("8","8","3","1","8","2","1") = "7"
    & skf18("8","8","3","1","8","3","1") = "7"
    & skf18("8","8","3","1","8","4","1") = "7"
    & skf18("8","8","3","1","8","5","1") = "7"
    & skf18("8","8","3","1","8","6","1") = "7"
    & skf18("8","8","3","1","8","7","1") = "7"
    & skf18("8","8","3","1","8","8","1") = "7"
    & skf18("8","8","3","1","8","9","1") = "8"
    & skf18("8","8","3","1","8","10","1") = "9"
    & skf18("8","8","3","1","9","1","1") = "8"
    & skf18("8","8","3","1","9","2","1") = "8"
    & skf18("8","8","3","1","9","3","1") = "8"
    & skf18("8","8","3","1","9","4","1") = "8"
    & skf18("8","8","3","1","9","5","1") = "8"
    & skf18("8","8","3","1","9","6","1") = "8"
    & skf18("8","8","3","1","9","7","1") = "8"
    & skf18("8","8","3","1","9","8","1") = "8"
    & skf18("8","8","3","1","9","9","1") = "8"
    & skf18("8","8","3","1","9","10","1") = "9"
    & skf18("8","8","3","1","10","1","1") = "9"
    & skf18("8","8","3","1","10","2","1") = "9"
    & skf18("8","8","3","1","10","3","1") = "9"
    & skf18("8","8","3","1","10","4","1") = "9"
    & skf18("8","8","3","1","10","5","1") = "9"
    & skf18("8","8","3","1","10","6","1") = "9"
    & skf18("8","8","3","1","10","7","1") = "9"
    & skf18("8","8","3","1","10","8","1") = "9"
    & skf18("8","8","3","1","10","9","1") = "9"
    & skf18("8","8","3","1","10","10","1") = "9"
    & skf18("8","8","3","2","1","1","1") = "7"
    & skf18("8","8","3","2","1","2","1") = "7"
    & skf18("8","8","3","2","1","3","1") = "7"
    & skf18("8","8","3","2","1","4","1") = "7"
    & skf18("8","8","3","2","1","5","1") = "7"
    & skf18("8","8","3","2","1","6","1") = "7"
    & skf18("8","8","3","2","1","7","1") = "7"
    & skf18("8","8","3","2","1","8","1") = "7"
    & skf18("8","8","3","2","1","9","1") = "8"
    & skf18("8","8","3","2","1","10","1") = "9"
    & skf18("8","8","3","2","2","1","1") = "7"
    & skf18("8","8","3","2","2","2","1") = "7"
    & skf18("8","8","3","2","2","3","1") = "7"
    & skf18("8","8","3","2","2","4","1") = "7"
    & skf18("8","8","3","2","2","5","1") = "7"
    & skf18("8","8","3","2","2","6","1") = "7"
    & skf18("8","8","3","2","2","7","1") = "7"
    & skf18("8","8","3","2","2","8","1") = "7"
    & skf18("8","8","3","2","2","9","1") = "8"
    & skf18("8","8","3","2","2","10","1") = "9"
    & skf18("8","8","3","2","3","1","1") = "7"
    & skf18("8","8","3","2","3","2","1") = "7"
    & skf18("8","8","3","2","3","3","1") = "7"
    & skf18("8","8","3","2","3","4","1") = "7"
    & skf18("8","8","3","2","3","5","1") = "7"
    & skf18("8","8","3","2","3","6","1") = "7"
    & skf18("8","8","3","2","3","7","1") = "7"
    & skf18("8","8","3","2","3","8","1") = "7"
    & skf18("8","8","3","2","3","9","1") = "8"
    & skf18("8","8","3","2","3","10","1") = "9"
    & skf18("8","8","3","2","4","1","1") = "7"
    & skf18("8","8","3","2","4","2","1") = "7"
    & skf18("8","8","3","2","4","3","1") = "7"
    & skf18("8","8","3","2","4","4","1") = "7"
    & skf18("8","8","3","2","4","5","1") = "7"
    & skf18("8","8","3","2","4","6","1") = "7"
    & skf18("8","8","3","2","4","7","1") = "7"
    & skf18("8","8","3","2","4","8","1") = "7"
    & skf18("8","8","3","2","4","9","1") = "8"
    & skf18("8","8","3","2","4","10","1") = "9"
    & skf18("8","8","3","2","5","1","1") = "7"
    & skf18("8","8","3","2","5","2","1") = "7"
    & skf18("8","8","3","2","5","3","1") = "7"
    & skf18("8","8","3","2","5","4","1") = "7"
    & skf18("8","8","3","2","5","5","1") = "7"
    & skf18("8","8","3","2","5","6","1") = "7"
    & skf18("8","8","3","2","5","7","1") = "7"
    & skf18("8","8","3","2","5","8","1") = "7"
    & skf18("8","8","3","2","5","9","1") = "8"
    & skf18("8","8","3","2","5","10","1") = "9"
    & skf18("8","8","3","2","6","1","1") = "7"
    & skf18("8","8","3","2","6","2","1") = "7"
    & skf18("8","8","3","2","6","3","1") = "7"
    & skf18("8","8","3","2","6","4","1") = "7"
    & skf18("8","8","3","2","6","5","1") = "7"
    & skf18("8","8","3","2","6","6","1") = "7"
    & skf18("8","8","3","2","6","7","1") = "7"
    & skf18("8","8","3","2","6","8","1") = "7"
    & skf18("8","8","3","2","6","9","1") = "8"
    & skf18("8","8","3","2","6","10","1") = "9"
    & skf18("8","8","3","2","7","1","1") = "7"
    & skf18("8","8","3","2","7","2","1") = "7"
    & skf18("8","8","3","2","7","3","1") = "7"
    & skf18("8","8","3","2","7","4","1") = "7"
    & skf18("8","8","3","2","7","5","1") = "7"
    & skf18("8","8","3","2","7","6","1") = "7"
    & skf18("8","8","3","2","7","7","1") = "7"
    & skf18("8","8","3","2","7","8","1") = "7"
    & skf18("8","8","3","2","7","9","1") = "8"
    & skf18("8","8","3","2","7","10","1") = "9"
    & skf18("8","8","3","2","8","1","1") = "7"
    & skf18("8","8","3","2","8","2","1") = "7"
    & skf18("8","8","3","2","8","3","1") = "7"
    & skf18("8","8","3","2","8","4","1") = "7"
    & skf18("8","8","3","2","8","5","1") = "7"
    & skf18("8","8","3","2","8","6","1") = "7"
    & skf18("8","8","3","2","8","7","1") = "7"
    & skf18("8","8","3","2","8","8","1") = "7"
    & skf18("8","8","3","2","8","9","1") = "8"
    & skf18("8","8","3","2","8","10","1") = "9"
    & skf18("8","8","3","2","9","1","1") = "8"
    & skf18("8","8","3","2","9","2","1") = "8"
    & skf18("8","8","3","2","9","3","1") = "8"
    & skf18("8","8","3","2","9","4","1") = "8"
    & skf18("8","8","3","2","9","5","1") = "8"
    & skf18("8","8","3","2","9","6","1") = "8"
    & skf18("8","8","3","2","9","7","1") = "8"
    & skf18("8","8","3","2","9","8","1") = "8"
    & skf18("8","8","3","2","9","9","1") = "8"
    & skf18("8","8","3","2","9","10","1") = "9"
    & skf18("8","8","3","2","10","1","1") = "9"
    & skf18("8","8","3","2","10","2","1") = "9"
    & skf18("8","8","3","2","10","3","1") = "9"
    & skf18("8","8","3","2","10","4","1") = "9"
    & skf18("8","8","3","2","10","5","1") = "9"
    & skf18("8","8","3","2","10","6","1") = "9"
    & skf18("8","8","3","2","10","7","1") = "9"
    & skf18("8","8","3","2","10","8","1") = "9"
    & skf18("8","8","3","2","10","9","1") = "9"
    & skf18("8","8","3","2","10","10","1") = "9"
    & skf18("8","8","3","3","1","1","1") = "7"
    & skf18("8","8","3","3","1","2","1") = "7"
    & skf18("8","8","3","3","1","3","1") = "7"
    & skf18("8","8","3","3","1","4","1") = "7"
    & skf18("8","8","3","3","1","5","1") = "7"
    & skf18("8","8","3","3","1","6","1") = "7"
    & skf18("8","8","3","3","1","7","1") = "7"
    & skf18("8","8","3","3","1","8","1") = "7"
    & skf18("8","8","3","3","1","9","1") = "8"
    & skf18("8","8","3","3","1","10","1") = "9"
    & skf18("8","8","3","3","2","1","1") = "7"
    & skf18("8","8","3","3","2","2","1") = "7"
    & skf18("8","8","3","3","2","3","1") = "7"
    & skf18("8","8","3","3","2","4","1") = "7"
    & skf18("8","8","3","3","2","5","1") = "7"
    & skf18("8","8","3","3","2","6","1") = "7"
    & skf18("8","8","3","3","2","7","1") = "7"
    & skf18("8","8","3","3","2","8","1") = "7"
    & skf18("8","8","3","3","2","9","1") = "8"
    & skf18("8","8","3","3","2","10","1") = "9"
    & skf18("8","8","3","3","3","1","1") = "7"
    & skf18("8","8","3","3","3","2","1") = "7"
    & skf18("8","8","3","3","3","3","1") = "7"
    & skf18("8","8","3","3","3","4","1") = "7"
    & skf18("8","8","3","3","3","5","1") = "7"
    & skf18("8","8","3","3","3","6","1") = "7"
    & skf18("8","8","3","3","3","7","1") = "7"
    & skf18("8","8","3","3","3","8","1") = "7"
    & skf18("8","8","3","3","3","9","1") = "8"
    & skf18("8","8","3","3","3","10","1") = "9"
    & skf18("8","8","3","3","4","1","1") = "7"
    & skf18("8","8","3","3","4","2","1") = "7"
    & skf18("8","8","3","3","4","3","1") = "7"
    & skf18("8","8","3","3","4","4","1") = "7"
    & skf18("8","8","3","3","4","5","1") = "7"
    & skf18("8","8","3","3","4","6","1") = "7"
    & skf18("8","8","3","3","4","7","1") = "7"
    & skf18("8","8","3","3","4","8","1") = "7"
    & skf18("8","8","3","3","4","9","1") = "8"
    & skf18("8","8","3","3","4","10","1") = "9"
    & skf18("8","8","3","3","5","1","1") = "7"
    & skf18("8","8","3","3","5","2","1") = "7"
    & skf18("8","8","3","3","5","3","1") = "7"
    & skf18("8","8","3","3","5","4","1") = "7"
    & skf18("8","8","3","3","5","5","1") = "7"
    & skf18("8","8","3","3","5","6","1") = "7"
    & skf18("8","8","3","3","5","7","1") = "7"
    & skf18("8","8","3","3","5","8","1") = "7"
    & skf18("8","8","3","3","5","9","1") = "8"
    & skf18("8","8","3","3","5","10","1") = "9"
    & skf18("8","8","3","3","6","1","1") = "7"
    & skf18("8","8","3","3","6","2","1") = "7"
    & skf18("8","8","3","3","6","3","1") = "7"
    & skf18("8","8","3","3","6","4","1") = "7"
    & skf18("8","8","3","3","6","5","1") = "7"
    & skf18("8","8","3","3","6","6","1") = "7"
    & skf18("8","8","3","3","6","7","1") = "7"
    & skf18("8","8","3","3","6","8","1") = "7"
    & skf18("8","8","3","3","6","9","1") = "8"
    & skf18("8","8","3","3","6","10","1") = "9"
    & skf18("8","8","3","3","7","1","1") = "7"
    & skf18("8","8","3","3","7","2","1") = "7"
    & skf18("8","8","3","3","7","3","1") = "7"
    & skf18("8","8","3","3","7","4","1") = "7"
    & skf18("8","8","3","3","7","5","1") = "7"
    & skf18("8","8","3","3","7","6","1") = "7"
    & skf18("8","8","3","3","7","7","1") = "7"
    & skf18("8","8","3","3","7","8","1") = "7"
    & skf18("8","8","3","3","7","9","1") = "8"
    & skf18("8","8","3","3","7","10","1") = "9"
    & skf18("8","8","3","3","8","1","1") = "7"
    & skf18("8","8","3","3","8","2","1") = "7"
    & skf18("8","8","3","3","8","3","1") = "7"
    & skf18("8","8","3","3","8","4","1") = "7"
    & skf18("8","8","3","3","8","5","1") = "7"
    & skf18("8","8","3","3","8","6","1") = "7"
    & skf18("8","8","3","3","8","7","1") = "7"
    & skf18("8","8","3","3","8","8","1") = "7"
    & skf18("8","8","3","3","8","9","1") = "8"
    & skf18("8","8","3","3","8","10","1") = "9"
    & skf18("8","8","3","3","9","1","1") = "8"
    & skf18("8","8","3","3","9","2","1") = "8"
    & skf18("8","8","3","3","9","3","1") = "8"
    & skf18("8","8","3","3","9","4","1") = "8"
    & skf18("8","8","3","3","9","5","1") = "8"
    & skf18("8","8","3","3","9","6","1") = "8"
    & skf18("8","8","3","3","9","7","1") = "8"
    & skf18("8","8","3","3","9","8","1") = "8"
    & skf18("8","8","3","3","9","9","1") = "8"
    & skf18("8","8","3","3","9","10","1") = "9"
    & skf18("8","8","3","3","10","1","1") = "9"
    & skf18("8","8","3","3","10","2","1") = "9"
    & skf18("8","8","3","3","10","3","1") = "9"
    & skf18("8","8","3","3","10","4","1") = "9"
    & skf18("8","8","3","3","10","5","1") = "9"
    & skf18("8","8","3","3","10","6","1") = "9"
    & skf18("8","8","3","3","10","7","1") = "9"
    & skf18("8","8","3","3","10","8","1") = "9"
    & skf18("8","8","3","3","10","9","1") = "9"
    & skf18("8","8","3","3","10","10","1") = "9"
    & skf18("8","8","3","4","1","1","1") = "7"
    & skf18("8","8","3","4","1","2","1") = "7"
    & skf18("8","8","3","4","1","3","1") = "7"
    & skf18("8","8","3","4","1","4","1") = "7"
    & skf18("8","8","3","4","1","5","1") = "7"
    & skf18("8","8","3","4","1","6","1") = "7"
    & skf18("8","8","3","4","1","7","1") = "7"
    & skf18("8","8","3","4","1","8","1") = "7"
    & skf18("8","8","3","4","1","9","1") = "8"
    & skf18("8","8","3","4","1","10","1") = "9"
    & skf18("8","8","3","4","2","1","1") = "7"
    & skf18("8","8","3","4","2","2","1") = "7"
    & skf18("8","8","3","4","2","3","1") = "7"
    & skf18("8","8","3","4","2","4","1") = "7"
    & skf18("8","8","3","4","2","5","1") = "7"
    & skf18("8","8","3","4","2","6","1") = "7"
    & skf18("8","8","3","4","2","7","1") = "7"
    & skf18("8","8","3","4","2","8","1") = "7"
    & skf18("8","8","3","4","2","9","1") = "8"
    & skf18("8","8","3","4","2","10","1") = "9"
    & skf18("8","8","3","4","3","1","1") = "7"
    & skf18("8","8","3","4","3","2","1") = "7"
    & skf18("8","8","3","4","3","3","1") = "7"
    & skf18("8","8","3","4","3","4","1") = "7"
    & skf18("8","8","3","4","3","5","1") = "7"
    & skf18("8","8","3","4","3","6","1") = "7"
    & skf18("8","8","3","4","3","7","1") = "7"
    & skf18("8","8","3","4","3","8","1") = "7"
    & skf18("8","8","3","4","3","9","1") = "8"
    & skf18("8","8","3","4","3","10","1") = "9"
    & skf18("8","8","3","4","4","1","1") = "7"
    & skf18("8","8","3","4","4","2","1") = "7"
    & skf18("8","8","3","4","4","3","1") = "7"
    & skf18("8","8","3","4","4","4","1") = "7"
    & skf18("8","8","3","4","4","5","1") = "7"
    & skf18("8","8","3","4","4","6","1") = "7"
    & skf18("8","8","3","4","4","7","1") = "7"
    & skf18("8","8","3","4","4","8","1") = "7"
    & skf18("8","8","3","4","4","9","1") = "8"
    & skf18("8","8","3","4","4","10","1") = "9"
    & skf18("8","8","3","4","5","1","1") = "7"
    & skf18("8","8","3","4","5","2","1") = "7"
    & skf18("8","8","3","4","5","3","1") = "7"
    & skf18("8","8","3","4","5","4","1") = "7"
    & skf18("8","8","3","4","5","5","1") = "7"
    & skf18("8","8","3","4","5","6","1") = "7"
    & skf18("8","8","3","4","5","7","1") = "7"
    & skf18("8","8","3","4","5","8","1") = "7"
    & skf18("8","8","3","4","5","9","1") = "8"
    & skf18("8","8","3","4","5","10","1") = "9"
    & skf18("8","8","3","4","6","1","1") = "7"
    & skf18("8","8","3","4","6","2","1") = "7"
    & skf18("8","8","3","4","6","3","1") = "7"
    & skf18("8","8","3","4","6","4","1") = "7"
    & skf18("8","8","3","4","6","5","1") = "7"
    & skf18("8","8","3","4","6","6","1") = "7"
    & skf18("8","8","3","4","6","7","1") = "7"
    & skf18("8","8","3","4","6","8","1") = "7"
    & skf18("8","8","3","4","6","9","1") = "8"
    & skf18("8","8","3","4","6","10","1") = "9"
    & skf18("8","8","3","4","7","1","1") = "7"
    & skf18("8","8","3","4","7","2","1") = "7"
    & skf18("8","8","3","4","7","3","1") = "7"
    & skf18("8","8","3","4","7","4","1") = "7"
    & skf18("8","8","3","4","7","5","1") = "7"
    & skf18("8","8","3","4","7","6","1") = "7"
    & skf18("8","8","3","4","7","7","1") = "7"
    & skf18("8","8","3","4","7","8","1") = "7"
    & skf18("8","8","3","4","7","9","1") = "8"
    & skf18("8","8","3","4","7","10","1") = "9"
    & skf18("8","8","3","4","8","1","1") = "7"
    & skf18("8","8","3","4","8","2","1") = "7"
    & skf18("8","8","3","4","8","3","1") = "7"
    & skf18("8","8","3","4","8","4","1") = "7"
    & skf18("8","8","3","4","8","5","1") = "7"
    & skf18("8","8","3","4","8","6","1") = "7"
    & skf18("8","8","3","4","8","7","1") = "7"
    & skf18("8","8","3","4","8","8","1") = "7"
    & skf18("8","8","3","4","8","9","1") = "8"
    & skf18("8","8","3","4","8","10","1") = "9"
    & skf18("8","8","3","4","9","1","1") = "8"
    & skf18("8","8","3","4","9","2","1") = "8"
    & skf18("8","8","3","4","9","3","1") = "8"
    & skf18("8","8","3","4","9","4","1") = "8"
    & skf18("8","8","3","4","9","5","1") = "8"
    & skf18("8","8","3","4","9","6","1") = "8"
    & skf18("8","8","3","4","9","7","1") = "8"
    & skf18("8","8","3","4","9","8","1") = "8"
    & skf18("8","8","3","4","9","9","1") = "8"
    & skf18("8","8","3","4","9","10","1") = "9"
    & skf18("8","8","3","4","10","1","1") = "9"
    & skf18("8","8","3","4","10","2","1") = "9"
    & skf18("8","8","3","4","10","3","1") = "9"
    & skf18("8","8","3","4","10","4","1") = "9"
    & skf18("8","8","3","4","10","5","1") = "9"
    & skf18("8","8","3","4","10","6","1") = "9"
    & skf18("8","8","3","4","10","7","1") = "9"
    & skf18("8","8","3","4","10","8","1") = "9"
    & skf18("8","8","3","4","10","9","1") = "9"
    & skf18("8","8","3","4","10","10","1") = "9"
    & skf18("8","8","3","5","1","1","1") = "7"
    & skf18("8","8","3","5","1","2","1") = "7"
    & skf18("8","8","3","5","1","3","1") = "7"
    & skf18("8","8","3","5","1","4","1") = "7"
    & skf18("8","8","3","5","1","5","1") = "7"
    & skf18("8","8","3","5","1","6","1") = "7"
    & skf18("8","8","3","5","1","7","1") = "7"
    & skf18("8","8","3","5","1","8","1") = "7"
    & skf18("8","8","3","5","1","9","1") = "8"
    & skf18("8","8","3","5","1","10","1") = "9"
    & skf18("8","8","3","5","2","1","1") = "7"
    & skf18("8","8","3","5","2","2","1") = "7"
    & skf18("8","8","3","5","2","3","1") = "7"
    & skf18("8","8","3","5","2","4","1") = "7"
    & skf18("8","8","3","5","2","5","1") = "7"
    & skf18("8","8","3","5","2","6","1") = "7"
    & skf18("8","8","3","5","2","7","1") = "7"
    & skf18("8","8","3","5","2","8","1") = "7"
    & skf18("8","8","3","5","2","9","1") = "8"
    & skf18("8","8","3","5","2","10","1") = "9"
    & skf18("8","8","3","5","3","1","1") = "7"
    & skf18("8","8","3","5","3","2","1") = "7"
    & skf18("8","8","3","5","3","3","1") = "7"
    & skf18("8","8","3","5","3","4","1") = "7"
    & skf18("8","8","3","5","3","5","1") = "7"
    & skf18("8","8","3","5","3","6","1") = "7"
    & skf18("8","8","3","5","3","7","1") = "7"
    & skf18("8","8","3","5","3","8","1") = "7"
    & skf18("8","8","3","5","3","9","1") = "8"
    & skf18("8","8","3","5","3","10","1") = "9"
    & skf18("8","8","3","5","4","1","1") = "7"
    & skf18("8","8","3","5","4","2","1") = "7"
    & skf18("8","8","3","5","4","3","1") = "7"
    & skf18("8","8","3","5","4","4","1") = "7"
    & skf18("8","8","3","5","4","5","1") = "7"
    & skf18("8","8","3","5","4","6","1") = "7"
    & skf18("8","8","3","5","4","7","1") = "7"
    & skf18("8","8","3","5","4","8","1") = "7"
    & skf18("8","8","3","5","4","9","1") = "8"
    & skf18("8","8","3","5","4","10","1") = "9"
    & skf18("8","8","3","5","5","1","1") = "7"
    & skf18("8","8","3","5","5","2","1") = "7"
    & skf18("8","8","3","5","5","3","1") = "7"
    & skf18("8","8","3","5","5","4","1") = "7"
    & skf18("8","8","3","5","5","5","1") = "7"
    & skf18("8","8","3","5","5","6","1") = "7"
    & skf18("8","8","3","5","5","7","1") = "7"
    & skf18("8","8","3","5","5","8","1") = "7"
    & skf18("8","8","3","5","5","9","1") = "8"
    & skf18("8","8","3","5","5","10","1") = "9"
    & skf18("8","8","3","5","6","1","1") = "7"
    & skf18("8","8","3","5","6","2","1") = "7"
    & skf18("8","8","3","5","6","3","1") = "7"
    & skf18("8","8","3","5","6","4","1") = "7"
    & skf18("8","8","3","5","6","5","1") = "7"
    & skf18("8","8","3","5","6","6","1") = "7"
    & skf18("8","8","3","5","6","7","1") = "7"
    & skf18("8","8","3","5","6","8","1") = "7"
    & skf18("8","8","3","5","6","9","1") = "8"
    & skf18("8","8","3","5","6","10","1") = "9"
    & skf18("8","8","3","5","7","1","1") = "7"
    & skf18("8","8","3","5","7","2","1") = "7"
    & skf18("8","8","3","5","7","3","1") = "7"
    & skf18("8","8","3","5","7","4","1") = "7"
    & skf18("8","8","3","5","7","5","1") = "7"
    & skf18("8","8","3","5","7","6","1") = "7"
    & skf18("8","8","3","5","7","7","1") = "7"
    & skf18("8","8","3","5","7","8","1") = "7"
    & skf18("8","8","3","5","7","9","1") = "8"
    & skf18("8","8","3","5","7","10","1") = "9"
    & skf18("8","8","3","5","8","1","1") = "7"
    & skf18("8","8","3","5","8","2","1") = "7"
    & skf18("8","8","3","5","8","3","1") = "7"
    & skf18("8","8","3","5","8","4","1") = "7"
    & skf18("8","8","3","5","8","5","1") = "7"
    & skf18("8","8","3","5","8","6","1") = "7"
    & skf18("8","8","3","5","8","7","1") = "7"
    & skf18("8","8","3","5","8","8","1") = "7"
    & skf18("8","8","3","5","8","9","1") = "8"
    & skf18("8","8","3","5","8","10","1") = "9"
    & skf18("8","8","3","5","9","1","1") = "8"
    & skf18("8","8","3","5","9","2","1") = "8"
    & skf18("8","8","3","5","9","3","1") = "8"
    & skf18("8","8","3","5","9","4","1") = "8"
    & skf18("8","8","3","5","9","5","1") = "8"
    & skf18("8","8","3","5","9","6","1") = "8"
    & skf18("8","8","3","5","9","7","1") = "8"
    & skf18("8","8","3","5","9","8","1") = "8"
    & skf18("8","8","3","5","9","9","1") = "8"
    & skf18("8","8","3","5","9","10","1") = "9"
    & skf18("8","8","3","5","10","1","1") = "9"
    & skf18("8","8","3","5","10","2","1") = "9"
    & skf18("8","8","3","5","10","3","1") = "9"
    & skf18("8","8","3","5","10","4","1") = "9"
    & skf18("8","8","3","5","10","5","1") = "9"
    & skf18("8","8","3","5","10","6","1") = "9"
    & skf18("8","8","3","5","10","7","1") = "9"
    & skf18("8","8","3","5","10","8","1") = "9"
    & skf18("8","8","3","5","10","9","1") = "9"
    & skf18("8","8","3","5","10","10","1") = "9"
    & skf18("8","8","3","6","1","1","1") = "7"
    & skf18("8","8","3","6","1","2","1") = "7"
    & skf18("8","8","3","6","1","3","1") = "7"
    & skf18("8","8","3","6","1","4","1") = "7"
    & skf18("8","8","3","6","1","5","1") = "7"
    & skf18("8","8","3","6","1","6","1") = "7"
    & skf18("8","8","3","6","1","7","1") = "7"
    & skf18("8","8","3","6","1","8","1") = "7"
    & skf18("8","8","3","6","1","9","1") = "8"
    & skf18("8","8","3","6","1","10","1") = "9"
    & skf18("8","8","3","6","2","1","1") = "7"
    & skf18("8","8","3","6","2","2","1") = "7"
    & skf18("8","8","3","6","2","3","1") = "7"
    & skf18("8","8","3","6","2","4","1") = "7"
    & skf18("8","8","3","6","2","5","1") = "7"
    & skf18("8","8","3","6","2","6","1") = "7"
    & skf18("8","8","3","6","2","7","1") = "7"
    & skf18("8","8","3","6","2","8","1") = "7"
    & skf18("8","8","3","6","2","9","1") = "8"
    & skf18("8","8","3","6","2","10","1") = "9"
    & skf18("8","8","3","6","3","1","1") = "7"
    & skf18("8","8","3","6","3","2","1") = "7"
    & skf18("8","8","3","6","3","3","1") = "7"
    & skf18("8","8","3","6","3","4","1") = "7"
    & skf18("8","8","3","6","3","5","1") = "7"
    & skf18("8","8","3","6","3","6","1") = "7"
    & skf18("8","8","3","6","3","7","1") = "7"
    & skf18("8","8","3","6","3","8","1") = "7"
    & skf18("8","8","3","6","3","9","1") = "8"
    & skf18("8","8","3","6","3","10","1") = "9"
    & skf18("8","8","3","6","4","1","1") = "7"
    & skf18("8","8","3","6","4","2","1") = "7"
    & skf18("8","8","3","6","4","3","1") = "7"
    & skf18("8","8","3","6","4","4","1") = "7"
    & skf18("8","8","3","6","4","5","1") = "7"
    & skf18("8","8","3","6","4","6","1") = "7"
    & skf18("8","8","3","6","4","7","1") = "7"
    & skf18("8","8","3","6","4","8","1") = "7"
    & skf18("8","8","3","6","4","9","1") = "8"
    & skf18("8","8","3","6","4","10","1") = "9"
    & skf18("8","8","3","6","5","1","1") = "7"
    & skf18("8","8","3","6","5","2","1") = "7"
    & skf18("8","8","3","6","5","3","1") = "7"
    & skf18("8","8","3","6","5","4","1") = "7"
    & skf18("8","8","3","6","5","5","1") = "7"
    & skf18("8","8","3","6","5","6","1") = "7"
    & skf18("8","8","3","6","5","7","1") = "7"
    & skf18("8","8","3","6","5","8","1") = "7"
    & skf18("8","8","3","6","5","9","1") = "8"
    & skf18("8","8","3","6","5","10","1") = "9"
    & skf18("8","8","3","6","6","1","1") = "7"
    & skf18("8","8","3","6","6","2","1") = "7"
    & skf18("8","8","3","6","6","3","1") = "7"
    & skf18("8","8","3","6","6","4","1") = "7"
    & skf18("8","8","3","6","6","5","1") = "7"
    & skf18("8","8","3","6","6","6","1") = "7"
    & skf18("8","8","3","6","6","7","1") = "7"
    & skf18("8","8","3","6","6","8","1") = "7"
    & skf18("8","8","3","6","6","9","1") = "8"
    & skf18("8","8","3","6","6","10","1") = "9"
    & skf18("8","8","3","6","7","1","1") = "7"
    & skf18("8","8","3","6","7","2","1") = "7"
    & skf18("8","8","3","6","7","3","1") = "7"
    & skf18("8","8","3","6","7","4","1") = "7"
    & skf18("8","8","3","6","7","5","1") = "7"
    & skf18("8","8","3","6","7","6","1") = "7"
    & skf18("8","8","3","6","7","7","1") = "7"
    & skf18("8","8","3","6","7","8","1") = "7"
    & skf18("8","8","3","6","7","9","1") = "8"
    & skf18("8","8","3","6","7","10","1") = "9"
    & skf18("8","8","3","6","8","1","1") = "7"
    & skf18("8","8","3","6","8","2","1") = "7"
    & skf18("8","8","3","6","8","3","1") = "7"
    & skf18("8","8","3","6","8","4","1") = "7"
    & skf18("8","8","3","6","8","5","1") = "7"
    & skf18("8","8","3","6","8","6","1") = "7"
    & skf18("8","8","3","6","8","7","1") = "7"
    & skf18("8","8","3","6","8","8","1") = "7"
    & skf18("8","8","3","6","8","9","1") = "8"
    & skf18("8","8","3","6","8","10","1") = "9"
    & skf18("8","8","3","6","9","1","1") = "8"
    & skf18("8","8","3","6","9","2","1") = "8"
    & skf18("8","8","3","6","9","3","1") = "8"
    & skf18("8","8","3","6","9","4","1") = "8"
    & skf18("8","8","3","6","9","5","1") = "8"
    & skf18("8","8","3","6","9","6","1") = "8"
    & skf18("8","8","3","6","9","7","1") = "8"
    & skf18("8","8","3","6","9","8","1") = "8"
    & skf18("8","8","3","6","9","9","1") = "8"
    & skf18("8","8","3","6","9","10","1") = "9"
    & skf18("8","8","3","6","10","1","1") = "9"
    & skf18("8","8","3","6","10","2","1") = "9"
    & skf18("8","8","3","6","10","3","1") = "9"
    & skf18("8","8","3","6","10","4","1") = "9"
    & skf18("8","8","3","6","10","5","1") = "9"
    & skf18("8","8","3","6","10","6","1") = "9"
    & skf18("8","8","3","6","10","7","1") = "9"
    & skf18("8","8","3","6","10","8","1") = "9"
    & skf18("8","8","3","6","10","9","1") = "9"
    & skf18("8","8","3","6","10","10","1") = "9"
    & skf18("8","8","3","7","1","1","1") = "7"
    & skf18("8","8","3","7","1","2","1") = "7"
    & skf18("8","8","3","7","1","3","1") = "7"
    & skf18("8","8","3","7","1","4","1") = "7"
    & skf18("8","8","3","7","1","5","1") = "7"
    & skf18("8","8","3","7","1","6","1") = "7"
    & skf18("8","8","3","7","1","7","1") = "7"
    & skf18("8","8","3","7","1","8","1") = "7"
    & skf18("8","8","3","7","1","9","1") = "8"
    & skf18("8","8","3","7","1","10","1") = "9"
    & skf18("8","8","3","7","2","1","1") = "7"
    & skf18("8","8","3","7","2","2","1") = "7"
    & skf18("8","8","3","7","2","3","1") = "7"
    & skf18("8","8","3","7","2","4","1") = "7"
    & skf18("8","8","3","7","2","5","1") = "7"
    & skf18("8","8","3","7","2","6","1") = "7"
    & skf18("8","8","3","7","2","7","1") = "7"
    & skf18("8","8","3","7","2","8","1") = "7"
    & skf18("8","8","3","7","2","9","1") = "8"
    & skf18("8","8","3","7","2","10","1") = "9"
    & skf18("8","8","3","7","3","1","1") = "7"
    & skf18("8","8","3","7","3","2","1") = "7"
    & skf18("8","8","3","7","3","3","1") = "7"
    & skf18("8","8","3","7","3","4","1") = "7"
    & skf18("8","8","3","7","3","5","1") = "7"
    & skf18("8","8","3","7","3","6","1") = "7"
    & skf18("8","8","3","7","3","7","1") = "7"
    & skf18("8","8","3","7","3","8","1") = "7"
    & skf18("8","8","3","7","3","9","1") = "8"
    & skf18("8","8","3","7","3","10","1") = "9"
    & skf18("8","8","3","7","4","1","1") = "7"
    & skf18("8","8","3","7","4","2","1") = "7"
    & skf18("8","8","3","7","4","3","1") = "7"
    & skf18("8","8","3","7","4","4","1") = "7"
    & skf18("8","8","3","7","4","5","1") = "7"
    & skf18("8","8","3","7","4","6","1") = "7"
    & skf18("8","8","3","7","4","7","1") = "7"
    & skf18("8","8","3","7","4","8","1") = "7"
    & skf18("8","8","3","7","4","9","1") = "8"
    & skf18("8","8","3","7","4","10","1") = "9"
    & skf18("8","8","3","7","5","1","1") = "7"
    & skf18("8","8","3","7","5","2","1") = "7"
    & skf18("8","8","3","7","5","3","1") = "7"
    & skf18("8","8","3","7","5","4","1") = "7"
    & skf18("8","8","3","7","5","5","1") = "7"
    & skf18("8","8","3","7","5","6","1") = "7"
    & skf18("8","8","3","7","5","7","1") = "7"
    & skf18("8","8","3","7","5","8","1") = "7"
    & skf18("8","8","3","7","5","9","1") = "8"
    & skf18("8","8","3","7","5","10","1") = "9"
    & skf18("8","8","3","7","6","1","1") = "7"
    & skf18("8","8","3","7","6","2","1") = "7"
    & skf18("8","8","3","7","6","3","1") = "7"
    & skf18("8","8","3","7","6","4","1") = "7"
    & skf18("8","8","3","7","6","5","1") = "7"
    & skf18("8","8","3","7","6","6","1") = "7"
    & skf18("8","8","3","7","6","7","1") = "7"
    & skf18("8","8","3","7","6","8","1") = "7"
    & skf18("8","8","3","7","6","9","1") = "8"
    & skf18("8","8","3","7","6","10","1") = "9"
    & skf18("8","8","3","7","7","1","1") = "7"
    & skf18("8","8","3","7","7","2","1") = "7"
    & skf18("8","8","3","7","7","3","1") = "7"
    & skf18("8","8","3","7","7","4","1") = "7"
    & skf18("8","8","3","7","7","5","1") = "7"
    & skf18("8","8","3","7","7","6","1") = "7"
    & skf18("8","8","3","7","7","7","1") = "7"
    & skf18("8","8","3","7","7","8","1") = "7"
    & skf18("8","8","3","7","7","9","1") = "8"
    & skf18("8","8","3","7","7","10","1") = "9"
    & skf18("8","8","3","7","8","1","1") = "7"
    & skf18("8","8","3","7","8","2","1") = "7"
    & skf18("8","8","3","7","8","3","1") = "7"
    & skf18("8","8","3","7","8","4","1") = "7"
    & skf18("8","8","3","7","8","5","1") = "7"
    & skf18("8","8","3","7","8","6","1") = "7"
    & skf18("8","8","3","7","8","7","1") = "7"
    & skf18("8","8","3","7","8","8","1") = "7"
    & skf18("8","8","3","7","8","9","1") = "8"
    & skf18("8","8","3","7","8","10","1") = "9"
    & skf18("8","8","3","7","9","1","1") = "8"
    & skf18("8","8","3","7","9","2","1") = "8"
    & skf18("8","8","3","7","9","3","1") = "8"
    & skf18("8","8","3","7","9","4","1") = "8"
    & skf18("8","8","3","7","9","5","1") = "8"
    & skf18("8","8","3","7","9","6","1") = "8"
    & skf18("8","8","3","7","9","7","1") = "8"
    & skf18("8","8","3","7","9","8","1") = "8"
    & skf18("8","8","3","7","9","9","1") = "8"
    & skf18("8","8","3","7","9","10","1") = "9"
    & skf18("8","8","3","7","10","1","1") = "9"
    & skf18("8","8","3","7","10","2","1") = "9"
    & skf18("8","8","3","7","10","3","1") = "9"
    & skf18("8","8","3","7","10","4","1") = "9"
    & skf18("8","8","3","7","10","5","1") = "9"
    & skf18("8","8","3","7","10","6","1") = "9"
    & skf18("8","8","3","7","10","7","1") = "9"
    & skf18("8","8","3","7","10","8","1") = "9"
    & skf18("8","8","3","7","10","9","1") = "9"
    & skf18("8","8","3","7","10","10","1") = "9"
    & skf18("8","8","3","8","1","1","1") = "7"
    & skf18("8","8","3","8","1","2","1") = "7"
    & skf18("8","8","3","8","1","3","1") = "7"
    & skf18("8","8","3","8","1","4","1") = "7"
    & skf18("8","8","3","8","1","5","1") = "7"
    & skf18("8","8","3","8","1","6","1") = "7"
    & skf18("8","8","3","8","1","7","1") = "7"
    & skf18("8","8","3","8","1","8","1") = "7"
    & skf18("8","8","3","8","1","9","1") = "8"
    & skf18("8","8","3","8","1","10","1") = "9"
    & skf18("8","8","3","8","2","1","1") = "7"
    & skf18("8","8","3","8","2","2","1") = "7"
    & skf18("8","8","3","8","2","3","1") = "7"
    & skf18("8","8","3","8","2","4","1") = "7"
    & skf18("8","8","3","8","2","5","1") = "7"
    & skf18("8","8","3","8","2","6","1") = "7"
    & skf18("8","8","3","8","2","7","1") = "7"
    & skf18("8","8","3","8","2","8","1") = "7"
    & skf18("8","8","3","8","2","9","1") = "8"
    & skf18("8","8","3","8","2","10","1") = "9"
    & skf18("8","8","3","8","3","1","1") = "7"
    & skf18("8","8","3","8","3","2","1") = "7"
    & skf18("8","8","3","8","3","3","1") = "7"
    & skf18("8","8","3","8","3","4","1") = "7"
    & skf18("8","8","3","8","3","5","1") = "7"
    & skf18("8","8","3","8","3","6","1") = "7"
    & skf18("8","8","3","8","3","7","1") = "7"
    & skf18("8","8","3","8","3","8","1") = "7"
    & skf18("8","8","3","8","3","9","1") = "8"
    & skf18("8","8","3","8","3","10","1") = "9"
    & skf18("8","8","3","8","4","1","1") = "7"
    & skf18("8","8","3","8","4","2","1") = "7"
    & skf18("8","8","3","8","4","3","1") = "7"
    & skf18("8","8","3","8","4","4","1") = "7"
    & skf18("8","8","3","8","4","5","1") = "7"
    & skf18("8","8","3","8","4","6","1") = "7"
    & skf18("8","8","3","8","4","7","1") = "7"
    & skf18("8","8","3","8","4","8","1") = "7"
    & skf18("8","8","3","8","4","9","1") = "8"
    & skf18("8","8","3","8","4","10","1") = "9"
    & skf18("8","8","3","8","5","1","1") = "7"
    & skf18("8","8","3","8","5","2","1") = "7"
    & skf18("8","8","3","8","5","3","1") = "7"
    & skf18("8","8","3","8","5","4","1") = "7"
    & skf18("8","8","3","8","5","5","1") = "7"
    & skf18("8","8","3","8","5","6","1") = "7"
    & skf18("8","8","3","8","5","7","1") = "7"
    & skf18("8","8","3","8","5","8","1") = "7"
    & skf18("8","8","3","8","5","9","1") = "8"
    & skf18("8","8","3","8","5","10","1") = "9"
    & skf18("8","8","3","8","6","1","1") = "7"
    & skf18("8","8","3","8","6","2","1") = "7"
    & skf18("8","8","3","8","6","3","1") = "7"
    & skf18("8","8","3","8","6","4","1") = "7"
    & skf18("8","8","3","8","6","5","1") = "7"
    & skf18("8","8","3","8","6","6","1") = "7"
    & skf18("8","8","3","8","6","7","1") = "7"
    & skf18("8","8","3","8","6","8","1") = "7"
    & skf18("8","8","3","8","6","9","1") = "8"
    & skf18("8","8","3","8","6","10","1") = "9"
    & skf18("8","8","3","8","7","1","1") = "7"
    & skf18("8","8","3","8","7","2","1") = "7"
    & skf18("8","8","3","8","7","3","1") = "7"
    & skf18("8","8","3","8","7","4","1") = "7"
    & skf18("8","8","3","8","7","5","1") = "7"
    & skf18("8","8","3","8","7","6","1") = "7"
    & skf18("8","8","3","8","7","7","1") = "7"
    & skf18("8","8","3","8","7","8","1") = "7"
    & skf18("8","8","3","8","7","9","1") = "8"
    & skf18("8","8","3","8","7","10","1") = "9"
    & skf18("8","8","3","8","8","1","1") = "7"
    & skf18("8","8","3","8","8","2","1") = "7"
    & skf18("8","8","3","8","8","3","1") = "7"
    & skf18("8","8","3","8","8","4","1") = "7"
    & skf18("8","8","3","8","8","5","1") = "7"
    & skf18("8","8","3","8","8","6","1") = "7"
    & skf18("8","8","3","8","8","7","1") = "7"
    & skf18("8","8","3","8","8","8","1") = "7"
    & skf18("8","8","3","8","8","9","1") = "8"
    & skf18("8","8","3","8","8","10","1") = "9"
    & skf18("8","8","3","8","9","1","1") = "8"
    & skf18("8","8","3","8","9","2","1") = "8"
    & skf18("8","8","3","8","9","3","1") = "8"
    & skf18("8","8","3","8","9","4","1") = "8"
    & skf18("8","8","3","8","9","5","1") = "8"
    & skf18("8","8","3","8","9","6","1") = "8"
    & skf18("8","8","3","8","9","7","1") = "8"
    & skf18("8","8","3","8","9","8","1") = "8"
    & skf18("8","8","3","8","9","9","1") = "8"
    & skf18("8","8","3","8","9","10","1") = "9"
    & skf18("8","8","3","8","10","1","1") = "9"
    & skf18("8","8","3","8","10","2","1") = "9"
    & skf18("8","8","3","8","10","3","1") = "9"
    & skf18("8","8","3","8","10","4","1") = "9"
    & skf18("8","8","3","8","10","5","1") = "9"
    & skf18("8","8","3","8","10","6","1") = "9"
    & skf18("8","8","3","8","10","7","1") = "9"
    & skf18("8","8","3","8","10","8","1") = "9"
    & skf18("8","8","3","8","10","9","1") = "9"
    & skf18("8","8","3","8","10","10","1") = "9"
    & skf18("8","8","3","9","1","1","1") = "8"
    & skf18("8","8","3","9","1","2","1") = "8"
    & skf18("8","8","3","9","1","3","1") = "8"
    & skf18("8","8","3","9","1","4","1") = "8"
    & skf18("8","8","3","9","1","5","1") = "8"
    & skf18("8","8","3","9","1","6","1") = "8"
    & skf18("8","8","3","9","1","7","1") = "8"
    & skf18("8","8","3","9","1","8","1") = "8"
    & skf18("8","8","3","9","1","9","1") = "8"
    & skf18("8","8","3","9","1","10","1") = "9"
    & skf18("8","8","3","9","2","1","1") = "8"
    & skf18("8","8","3","9","2","2","1") = "8"
    & skf18("8","8","3","9","2","3","1") = "8"
    & skf18("8","8","3","9","2","4","1") = "8"
    & skf18("8","8","3","9","2","5","1") = "8"
    & skf18("8","8","3","9","2","6","1") = "8"
    & skf18("8","8","3","9","2","7","1") = "8"
    & skf18("8","8","3","9","2","8","1") = "8"
    & skf18("8","8","3","9","2","9","1") = "8"
    & skf18("8","8","3","9","2","10","1") = "9"
    & skf18("8","8","3","9","3","1","1") = "8"
    & skf18("8","8","3","9","3","2","1") = "8"
    & skf18("8","8","3","9","3","3","1") = "8"
    & skf18("8","8","3","9","3","4","1") = "8"
    & skf18("8","8","3","9","3","5","1") = "8"
    & skf18("8","8","3","9","3","6","1") = "8"
    & skf18("8","8","3","9","3","7","1") = "8"
    & skf18("8","8","3","9","3","8","1") = "8"
    & skf18("8","8","3","9","3","9","1") = "8"
    & skf18("8","8","3","9","3","10","1") = "9"
    & skf18("8","8","3","9","4","1","1") = "8"
    & skf18("8","8","3","9","4","2","1") = "8"
    & skf18("8","8","3","9","4","3","1") = "8"
    & skf18("8","8","3","9","4","4","1") = "8"
    & skf18("8","8","3","9","4","5","1") = "8"
    & skf18("8","8","3","9","4","6","1") = "8"
    & skf18("8","8","3","9","4","7","1") = "8"
    & skf18("8","8","3","9","4","8","1") = "8"
    & skf18("8","8","3","9","4","9","1") = "8"
    & skf18("8","8","3","9","4","10","1") = "9"
    & skf18("8","8","3","9","5","1","1") = "8"
    & skf18("8","8","3","9","5","2","1") = "8"
    & skf18("8","8","3","9","5","3","1") = "8"
    & skf18("8","8","3","9","5","4","1") = "8"
    & skf18("8","8","3","9","5","5","1") = "8"
    & skf18("8","8","3","9","5","6","1") = "8"
    & skf18("8","8","3","9","5","7","1") = "8"
    & skf18("8","8","3","9","5","8","1") = "8"
    & skf18("8","8","3","9","5","9","1") = "8"
    & skf18("8","8","3","9","5","10","1") = "9"
    & skf18("8","8","3","9","6","1","1") = "8"
    & skf18("8","8","3","9","6","2","1") = "8"
    & skf18("8","8","3","9","6","3","1") = "8"
    & skf18("8","8","3","9","6","4","1") = "8"
    & skf18("8","8","3","9","6","5","1") = "8"
    & skf18("8","8","3","9","6","6","1") = "8"
    & skf18("8","8","3","9","6","7","1") = "8"
    & skf18("8","8","3","9","6","8","1") = "8"
    & skf18("8","8","3","9","6","9","1") = "8"
    & skf18("8","8","3","9","6","10","1") = "9"
    & skf18("8","8","3","9","7","1","1") = "8"
    & skf18("8","8","3","9","7","2","1") = "8"
    & skf18("8","8","3","9","7","3","1") = "8"
    & skf18("8","8","3","9","7","4","1") = "8"
    & skf18("8","8","3","9","7","5","1") = "8"
    & skf18("8","8","3","9","7","6","1") = "8"
    & skf18("8","8","3","9","7","7","1") = "8"
    & skf18("8","8","3","9","7","8","1") = "8"
    & skf18("8","8","3","9","7","9","1") = "8"
    & skf18("8","8","3","9","7","10","1") = "9"
    & skf18("8","8","3","9","8","1","1") = "8"
    & skf18("8","8","3","9","8","2","1") = "8"
    & skf18("8","8","3","9","8","3","1") = "8"
    & skf18("8","8","3","9","8","4","1") = "8"
    & skf18("8","8","3","9","8","5","1") = "8"
    & skf18("8","8","3","9","8","6","1") = "8"
    & skf18("8","8","3","9","8","7","1") = "8"
    & skf18("8","8","3","9","8","8","1") = "8"
    & skf18("8","8","3","9","8","9","1") = "8"
    & skf18("8","8","3","9","8","10","1") = "9"
    & skf18("8","8","3","9","9","1","1") = "8"
    & skf18("8","8","3","9","9","2","1") = "8"
    & skf18("8","8","3","9","9","3","1") = "8"
    & skf18("8","8","3","9","9","4","1") = "8"
    & skf18("8","8","3","9","9","5","1") = "8"
    & skf18("8","8","3","9","9","6","1") = "8"
    & skf18("8","8","3","9","9","7","1") = "8"
    & skf18("8","8","3","9","9","8","1") = "8"
    & skf18("8","8","3","9","9","9","1") = "8"
    & skf18("8","8","3","9","9","10","1") = "9"
    & skf18("8","8","3","9","10","1","1") = "9"
    & skf18("8","8","3","9","10","2","1") = "9"
    & skf18("8","8","3","9","10","3","1") = "9"
    & skf18("8","8","3","9","10","4","1") = "9"
    & skf18("8","8","3","9","10","5","1") = "9"
    & skf18("8","8","3","9","10","6","1") = "9"
    & skf18("8","8","3","9","10","7","1") = "9"
    & skf18("8","8","3","9","10","8","1") = "9"
    & skf18("8","8","3","9","10","9","1") = "9"
    & skf18("8","8","3","9","10","10","1") = "9"
    & skf18("8","8","3","10","1","1","1") = "9"
    & skf18("8","8","3","10","1","2","1") = "9"
    & skf18("8","8","3","10","1","3","1") = "9"
    & skf18("8","8","3","10","1","4","1") = "9"
    & skf18("8","8","3","10","1","5","1") = "9"
    & skf18("8","8","3","10","1","6","1") = "9"
    & skf18("8","8","3","10","1","7","1") = "9"
    & skf18("8","8","3","10","1","8","1") = "9"
    & skf18("8","8","3","10","1","9","1") = "9"
    & skf18("8","8","3","10","1","10","1") = "9"
    & skf18("8","8","3","10","2","1","1") = "9"
    & skf18("8","8","3","10","2","2","1") = "9"
    & skf18("8","8","3","10","2","3","1") = "9"
    & skf18("8","8","3","10","2","4","1") = "9"
    & skf18("8","8","3","10","2","5","1") = "9"
    & skf18("8","8","3","10","2","6","1") = "9"
    & skf18("8","8","3","10","2","7","1") = "9"
    & skf18("8","8","3","10","2","8","1") = "9"
    & skf18("8","8","3","10","2","9","1") = "9"
    & skf18("8","8","3","10","2","10","1") = "9"
    & skf18("8","8","3","10","3","1","1") = "9"
    & skf18("8","8","3","10","3","2","1") = "9"
    & skf18("8","8","3","10","3","3","1") = "9"
    & skf18("8","8","3","10","3","4","1") = "9"
    & skf18("8","8","3","10","3","5","1") = "9"
    & skf18("8","8","3","10","3","6","1") = "9"
    & skf18("8","8","3","10","3","7","1") = "9"
    & skf18("8","8","3","10","3","8","1") = "9"
    & skf18("8","8","3","10","3","9","1") = "9"
    & skf18("8","8","3","10","3","10","1") = "9"
    & skf18("8","8","3","10","4","1","1") = "9"
    & skf18("8","8","3","10","4","2","1") = "9"
    & skf18("8","8","3","10","4","3","1") = "9"
    & skf18("8","8","3","10","4","4","1") = "9"
    & skf18("8","8","3","10","4","5","1") = "9"
    & skf18("8","8","3","10","4","6","1") = "9"
    & skf18("8","8","3","10","4","7","1") = "9"
    & skf18("8","8","3","10","4","8","1") = "9"
    & skf18("8","8","3","10","4","9","1") = "9"
    & skf18("8","8","3","10","4","10","1") = "9"
    & skf18("8","8","3","10","5","1","1") = "9"
    & skf18("8","8","3","10","5","2","1") = "9"
    & skf18("8","8","3","10","5","3","1") = "9"
    & skf18("8","8","3","10","5","4","1") = "9"
    & skf18("8","8","3","10","5","5","1") = "9"
    & skf18("8","8","3","10","5","6","1") = "9"
    & skf18("8","8","3","10","5","7","1") = "9"
    & skf18("8","8","3","10","5","8","1") = "9"
    & skf18("8","8","3","10","5","9","1") = "9"
    & skf18("8","8","3","10","5","10","1") = "9"
    & skf18("8","8","3","10","6","1","1") = "9"
    & skf18("8","8","3","10","6","2","1") = "9"
    & skf18("8","8","3","10","6","3","1") = "9"
    & skf18("8","8","3","10","6","4","1") = "9"
    & skf18("8","8","3","10","6","5","1") = "9"
    & skf18("8","8","3","10","6","6","1") = "9"
    & skf18("8","8","3","10","6","7","1") = "9"
    & skf18("8","8","3","10","6","8","1") = "9"
    & skf18("8","8","3","10","6","9","1") = "9"
    & skf18("8","8","3","10","6","10","1") = "9"
    & skf18("8","8","3","10","7","1","1") = "9"
    & skf18("8","8","3","10","7","2","1") = "9"
    & skf18("8","8","3","10","7","3","1") = "9"
    & skf18("8","8","3","10","7","4","1") = "9"
    & skf18("8","8","3","10","7","5","1") = "9"
    & skf18("8","8","3","10","7","6","1") = "9"
    & skf18("8","8","3","10","7","7","1") = "9"
    & skf18("8","8","3","10","7","8","1") = "9"
    & skf18("8","8","3","10","7","9","1") = "9"
    & skf18("8","8","3","10","7","10","1") = "9"
    & skf18("8","8","3","10","8","1","1") = "9"
    & skf18("8","8","3","10","8","2","1") = "9"
    & skf18("8","8","3","10","8","3","1") = "9"
    & skf18("8","8","3","10","8","4","1") = "9"
    & skf18("8","8","3","10","8","5","1") = "9"
    & skf18("8","8","3","10","8","6","1") = "9"
    & skf18("8","8","3","10","8","7","1") = "9"
    & skf18("8","8","3","10","8","8","1") = "9"
    & skf18("8","8","3","10","8","9","1") = "9"
    & skf18("8","8","3","10","8","10","1") = "9"
    & skf18("8","8","3","10","9","1","1") = "9"
    & skf18("8","8","3","10","9","2","1") = "9"
    & skf18("8","8","3","10","9","3","1") = "9"
    & skf18("8","8","3","10","9","4","1") = "9"
    & skf18("8","8","3","10","9","5","1") = "9"
    & skf18("8","8","3","10","9","6","1") = "9"
    & skf18("8","8","3","10","9","7","1") = "9"
    & skf18("8","8","3","10","9","8","1") = "9"
    & skf18("8","8","3","10","9","9","1") = "9"
    & skf18("8","8","3","10","9","10","1") = "9"
    & skf18("8","8","3","10","10","1","1") = "9"
    & skf18("8","8","3","10","10","2","1") = "9"
    & skf18("8","8","3","10","10","3","1") = "9"
    & skf18("8","8","3","10","10","4","1") = "9"
    & skf18("8","8","3","10","10","5","1") = "9"
    & skf18("8","8","3","10","10","6","1") = "9"
    & skf18("8","8","3","10","10","7","1") = "9"
    & skf18("8","8","3","10","10","8","1") = "9"
    & skf18("8","8","3","10","10","9","1") = "9"
    & skf18("8","8","3","10","10","10","1") = "9"
    & skf18("8","8","4","1","1","1","1") = "7"
    & skf18("8","8","4","1","1","2","1") = "7"
    & skf18("8","8","4","1","1","3","1") = "7"
    & skf18("8","8","4","1","1","4","1") = "7"
    & skf18("8","8","4","1","1","5","1") = "7"
    & skf18("8","8","4","1","1","6","1") = "7"
    & skf18("8","8","4","1","1","7","1") = "7"
    & skf18("8","8","4","1","1","8","1") = "7"
    & skf18("8","8","4","1","1","9","1") = "8"
    & skf18("8","8","4","1","1","10","1") = "9"
    & skf18("8","8","4","1","2","1","1") = "7"
    & skf18("8","8","4","1","2","2","1") = "7"
    & skf18("8","8","4","1","2","3","1") = "7"
    & skf18("8","8","4","1","2","4","1") = "7"
    & skf18("8","8","4","1","2","5","1") = "7"
    & skf18("8","8","4","1","2","6","1") = "7"
    & skf18("8","8","4","1","2","7","1") = "7"
    & skf18("8","8","4","1","2","8","1") = "7"
    & skf18("8","8","4","1","2","9","1") = "8"
    & skf18("8","8","4","1","2","10","1") = "9"
    & skf18("8","8","4","1","3","1","1") = "7"
    & skf18("8","8","4","1","3","2","1") = "7"
    & skf18("8","8","4","1","3","3","1") = "7"
    & skf18("8","8","4","1","3","4","1") = "7"
    & skf18("8","8","4","1","3","5","1") = "7"
    & skf18("8","8","4","1","3","6","1") = "7"
    & skf18("8","8","4","1","3","7","1") = "7"
    & skf18("8","8","4","1","3","8","1") = "7"
    & skf18("8","8","4","1","3","9","1") = "8"
    & skf18("8","8","4","1","3","10","1") = "9"
    & skf18("8","8","4","1","4","1","1") = "7"
    & skf18("8","8","4","1","4","2","1") = "7"
    & skf18("8","8","4","1","4","3","1") = "7"
    & skf18("8","8","4","1","4","4","1") = "7"
    & skf18("8","8","4","1","4","5","1") = "7"
    & skf18("8","8","4","1","4","6","1") = "7"
    & skf18("8","8","4","1","4","7","1") = "7"
    & skf18("8","8","4","1","4","8","1") = "7"
    & skf18("8","8","4","1","4","9","1") = "8"
    & skf18("8","8","4","1","4","10","1") = "9"
    & skf18("8","8","4","1","5","1","1") = "7"
    & skf18("8","8","4","1","5","2","1") = "7"
    & skf18("8","8","4","1","5","3","1") = "7"
    & skf18("8","8","4","1","5","4","1") = "7"
    & skf18("8","8","4","1","5","5","1") = "7"
    & skf18("8","8","4","1","5","6","1") = "7"
    & skf18("8","8","4","1","5","7","1") = "7"
    & skf18("8","8","4","1","5","8","1") = "7"
    & skf18("8","8","4","1","5","9","1") = "8"
    & skf18("8","8","4","1","5","10","1") = "9"
    & skf18("8","8","4","1","6","1","1") = "7"
    & skf18("8","8","4","1","6","2","1") = "7"
    & skf18("8","8","4","1","6","3","1") = "7"
    & skf18("8","8","4","1","6","4","1") = "7"
    & skf18("8","8","4","1","6","5","1") = "7"
    & skf18("8","8","4","1","6","6","1") = "7"
    & skf18("8","8","4","1","6","7","1") = "7"
    & skf18("8","8","4","1","6","8","1") = "7"
    & skf18("8","8","4","1","6","9","1") = "8"
    & skf18("8","8","4","1","6","10","1") = "9"
    & skf18("8","8","4","1","7","1","1") = "7"
    & skf18("8","8","4","1","7","2","1") = "7"
    & skf18("8","8","4","1","7","3","1") = "7"
    & skf18("8","8","4","1","7","4","1") = "7"
    & skf18("8","8","4","1","7","5","1") = "7"
    & skf18("8","8","4","1","7","6","1") = "7"
    & skf18("8","8","4","1","7","7","1") = "7"
    & skf18("8","8","4","1","7","8","1") = "7"
    & skf18("8","8","4","1","7","9","1") = "8"
    & skf18("8","8","4","1","7","10","1") = "9"
    & skf18("8","8","4","1","8","1","1") = "7"
    & skf18("8","8","4","1","8","2","1") = "7"
    & skf18("8","8","4","1","8","3","1") = "7"
    & skf18("8","8","4","1","8","4","1") = "7"
    & skf18("8","8","4","1","8","5","1") = "7"
    & skf18("8","8","4","1","8","6","1") = "7"
    & skf18("8","8","4","1","8","7","1") = "7"
    & skf18("8","8","4","1","8","8","1") = "7"
    & skf18("8","8","4","1","8","9","1") = "8"
    & skf18("8","8","4","1","8","10","1") = "9"
    & skf18("8","8","4","1","9","1","1") = "8"
    & skf18("8","8","4","1","9","2","1") = "8"
    & skf18("8","8","4","1","9","3","1") = "8"
    & skf18("8","8","4","1","9","4","1") = "8"
    & skf18("8","8","4","1","9","5","1") = "8"
    & skf18("8","8","4","1","9","6","1") = "8"
    & skf18("8","8","4","1","9","7","1") = "8"
    & skf18("8","8","4","1","9","8","1") = "8"
    & skf18("8","8","4","1","9","9","1") = "8"
    & skf18("8","8","4","1","9","10","1") = "9"
    & skf18("8","8","4","1","10","1","1") = "9"
    & skf18("8","8","4","1","10","2","1") = "9"
    & skf18("8","8","4","1","10","3","1") = "9"
    & skf18("8","8","4","1","10","4","1") = "9"
    & skf18("8","8","4","1","10","5","1") = "9"
    & skf18("8","8","4","1","10","6","1") = "9"
    & skf18("8","8","4","1","10","7","1") = "9"
    & skf18("8","8","4","1","10","8","1") = "9"
    & skf18("8","8","4","1","10","9","1") = "9"
    & skf18("8","8","4","1","10","10","1") = "9"
    & skf18("8","8","4","2","1","1","1") = "7"
    & skf18("8","8","4","2","1","2","1") = "7"
    & skf18("8","8","4","2","1","3","1") = "7"
    & skf18("8","8","4","2","1","4","1") = "7"
    & skf18("8","8","4","2","1","5","1") = "7"
    & skf18("8","8","4","2","1","6","1") = "7"
    & skf18("8","8","4","2","1","7","1") = "7"
    & skf18("8","8","4","2","1","8","1") = "7"
    & skf18("8","8","4","2","1","9","1") = "8"
    & skf18("8","8","4","2","1","10","1") = "9"
    & skf18("8","8","4","2","2","1","1") = "7"
    & skf18("8","8","4","2","2","2","1") = "7"
    & skf18("8","8","4","2","2","3","1") = "7"
    & skf18("8","8","4","2","2","4","1") = "7"
    & skf18("8","8","4","2","2","5","1") = "7"
    & skf18("8","8","4","2","2","6","1") = "7"
    & skf18("8","8","4","2","2","7","1") = "7"
    & skf18("8","8","4","2","2","8","1") = "7"
    & skf18("8","8","4","2","2","9","1") = "8"
    & skf18("8","8","4","2","2","10","1") = "9"
    & skf18("8","8","4","2","3","1","1") = "7"
    & skf18("8","8","4","2","3","2","1") = "7"
    & skf18("8","8","4","2","3","3","1") = "7"
    & skf18("8","8","4","2","3","4","1") = "7"
    & skf18("8","8","4","2","3","5","1") = "7"
    & skf18("8","8","4","2","3","6","1") = "7"
    & skf18("8","8","4","2","3","7","1") = "7"
    & skf18("8","8","4","2","3","8","1") = "7"
    & skf18("8","8","4","2","3","9","1") = "8"
    & skf18("8","8","4","2","3","10","1") = "9"
    & skf18("8","8","4","2","4","1","1") = "7"
    & skf18("8","8","4","2","4","2","1") = "7"
    & skf18("8","8","4","2","4","3","1") = "7"
    & skf18("8","8","4","2","4","4","1") = "7"
    & skf18("8","8","4","2","4","5","1") = "7"
    & skf18("8","8","4","2","4","6","1") = "7"
    & skf18("8","8","4","2","4","7","1") = "7"
    & skf18("8","8","4","2","4","8","1") = "7"
    & skf18("8","8","4","2","4","9","1") = "8"
    & skf18("8","8","4","2","4","10","1") = "9"
    & skf18("8","8","4","2","5","1","1") = "7"
    & skf18("8","8","4","2","5","2","1") = "7"
    & skf18("8","8","4","2","5","3","1") = "7"
    & skf18("8","8","4","2","5","4","1") = "7"
    & skf18("8","8","4","2","5","5","1") = "7"
    & skf18("8","8","4","2","5","6","1") = "7"
    & skf18("8","8","4","2","5","7","1") = "7"
    & skf18("8","8","4","2","5","8","1") = "7"
    & skf18("8","8","4","2","5","9","1") = "8"
    & skf18("8","8","4","2","5","10","1") = "9"
    & skf18("8","8","4","2","6","1","1") = "7"
    & skf18("8","8","4","2","6","2","1") = "7"
    & skf18("8","8","4","2","6","3","1") = "7"
    & skf18("8","8","4","2","6","4","1") = "7"
    & skf18("8","8","4","2","6","5","1") = "7"
    & skf18("8","8","4","2","6","6","1") = "7"
    & skf18("8","8","4","2","6","7","1") = "7"
    & skf18("8","8","4","2","6","8","1") = "7"
    & skf18("8","8","4","2","6","9","1") = "8"
    & skf18("8","8","4","2","6","10","1") = "9"
    & skf18("8","8","4","2","7","1","1") = "7"
    & skf18("8","8","4","2","7","2","1") = "7"
    & skf18("8","8","4","2","7","3","1") = "7"
    & skf18("8","8","4","2","7","4","1") = "7"
    & skf18("8","8","4","2","7","5","1") = "7"
    & skf18("8","8","4","2","7","6","1") = "7"
    & skf18("8","8","4","2","7","7","1") = "7"
    & skf18("8","8","4","2","7","8","1") = "7"
    & skf18("8","8","4","2","7","9","1") = "8"
    & skf18("8","8","4","2","7","10","1") = "9"
    & skf18("8","8","4","2","8","1","1") = "7"
    & skf18("8","8","4","2","8","2","1") = "7"
    & skf18("8","8","4","2","8","3","1") = "7"
    & skf18("8","8","4","2","8","4","1") = "7"
    & skf18("8","8","4","2","8","5","1") = "7"
    & skf18("8","8","4","2","8","6","1") = "7"
    & skf18("8","8","4","2","8","7","1") = "7"
    & skf18("8","8","4","2","8","8","1") = "7"
    & skf18("8","8","4","2","8","9","1") = "8"
    & skf18("8","8","4","2","8","10","1") = "9"
    & skf18("8","8","4","2","9","1","1") = "8"
    & skf18("8","8","4","2","9","2","1") = "8"
    & skf18("8","8","4","2","9","3","1") = "8"
    & skf18("8","8","4","2","9","4","1") = "8"
    & skf18("8","8","4","2","9","5","1") = "8"
    & skf18("8","8","4","2","9","6","1") = "8"
    & skf18("8","8","4","2","9","7","1") = "8"
    & skf18("8","8","4","2","9","8","1") = "8"
    & skf18("8","8","4","2","9","9","1") = "8"
    & skf18("8","8","4","2","9","10","1") = "9"
    & skf18("8","8","4","2","10","1","1") = "9"
    & skf18("8","8","4","2","10","2","1") = "9"
    & skf18("8","8","4","2","10","3","1") = "9"
    & skf18("8","8","4","2","10","4","1") = "9"
    & skf18("8","8","4","2","10","5","1") = "9"
    & skf18("8","8","4","2","10","6","1") = "9"
    & skf18("8","8","4","2","10","7","1") = "9"
    & skf18("8","8","4","2","10","8","1") = "9"
    & skf18("8","8","4","2","10","9","1") = "9"
    & skf18("8","8","4","2","10","10","1") = "9"
    & skf18("8","8","4","3","1","1","1") = "7"
    & skf18("8","8","4","3","1","2","1") = "7"
    & skf18("8","8","4","3","1","3","1") = "7"
    & skf18("8","8","4","3","1","4","1") = "7"
    & skf18("8","8","4","3","1","5","1") = "7"
    & skf18("8","8","4","3","1","6","1") = "7"
    & skf18("8","8","4","3","1","7","1") = "7"
    & skf18("8","8","4","3","1","8","1") = "7"
    & skf18("8","8","4","3","1","9","1") = "8"
    & skf18("8","8","4","3","1","10","1") = "9"
    & skf18("8","8","4","3","2","1","1") = "7"
    & skf18("8","8","4","3","2","2","1") = "7"
    & skf18("8","8","4","3","2","3","1") = "7"
    & skf18("8","8","4","3","2","4","1") = "7"
    & skf18("8","8","4","3","2","5","1") = "7"
    & skf18("8","8","4","3","2","6","1") = "7"
    & skf18("8","8","4","3","2","7","1") = "7"
    & skf18("8","8","4","3","2","8","1") = "7"
    & skf18("8","8","4","3","2","9","1") = "8"
    & skf18("8","8","4","3","2","10","1") = "9"
    & skf18("8","8","4","3","3","1","1") = "7"
    & skf18("8","8","4","3","3","2","1") = "7"
    & skf18("8","8","4","3","3","3","1") = "7"
    & skf18("8","8","4","3","3","4","1") = "7"
    & skf18("8","8","4","3","3","5","1") = "7"
    & skf18("8","8","4","3","3","6","1") = "7"
    & skf18("8","8","4","3","3","7","1") = "7"
    & skf18("8","8","4","3","3","8","1") = "7"
    & skf18("8","8","4","3","3","9","1") = "8"
    & skf18("8","8","4","3","3","10","1") = "9"
    & skf18("8","8","4","3","4","1","1") = "7"
    & skf18("8","8","4","3","4","2","1") = "7"
    & skf18("8","8","4","3","4","3","1") = "7"
    & skf18("8","8","4","3","4","4","1") = "7"
    & skf18("8","8","4","3","4","5","1") = "7"
    & skf18("8","8","4","3","4","6","1") = "7"
    & skf18("8","8","4","3","4","7","1") = "7"
    & skf18("8","8","4","3","4","8","1") = "7"
    & skf18("8","8","4","3","4","9","1") = "8"
    & skf18("8","8","4","3","4","10","1") = "9"
    & skf18("8","8","4","3","5","1","1") = "7"
    & skf18("8","8","4","3","5","2","1") = "7"
    & skf18("8","8","4","3","5","3","1") = "7"
    & skf18("8","8","4","3","5","4","1") = "7"
    & skf18("8","8","4","3","5","5","1") = "7"
    & skf18("8","8","4","3","5","6","1") = "7"
    & skf18("8","8","4","3","5","7","1") = "7"
    & skf18("8","8","4","3","5","8","1") = "7"
    & skf18("8","8","4","3","5","9","1") = "8"
    & skf18("8","8","4","3","5","10","1") = "9"
    & skf18("8","8","4","3","6","1","1") = "7"
    & skf18("8","8","4","3","6","2","1") = "7"
    & skf18("8","8","4","3","6","3","1") = "7"
    & skf18("8","8","4","3","6","4","1") = "7"
    & skf18("8","8","4","3","6","5","1") = "7"
    & skf18("8","8","4","3","6","6","1") = "7"
    & skf18("8","8","4","3","6","7","1") = "7"
    & skf18("8","8","4","3","6","8","1") = "7"
    & skf18("8","8","4","3","6","9","1") = "8"
    & skf18("8","8","4","3","6","10","1") = "9"
    & skf18("8","8","4","3","7","1","1") = "7"
    & skf18("8","8","4","3","7","2","1") = "7"
    & skf18("8","8","4","3","7","3","1") = "7"
    & skf18("8","8","4","3","7","4","1") = "7"
    & skf18("8","8","4","3","7","5","1") = "7"
    & skf18("8","8","4","3","7","6","1") = "7"
    & skf18("8","8","4","3","7","7","1") = "7"
    & skf18("8","8","4","3","7","8","1") = "7"
    & skf18("8","8","4","3","7","9","1") = "8"
    & skf18("8","8","4","3","7","10","1") = "9"
    & skf18("8","8","4","3","8","1","1") = "7"
    & skf18("8","8","4","3","8","2","1") = "7"
    & skf18("8","8","4","3","8","3","1") = "7"
    & skf18("8","8","4","3","8","4","1") = "7"
    & skf18("8","8","4","3","8","5","1") = "7"
    & skf18("8","8","4","3","8","6","1") = "7"
    & skf18("8","8","4","3","8","7","1") = "7"
    & skf18("8","8","4","3","8","8","1") = "7"
    & skf18("8","8","4","3","8","9","1") = "8"
    & skf18("8","8","4","3","8","10","1") = "9"
    & skf18("8","8","4","3","9","1","1") = "8"
    & skf18("8","8","4","3","9","2","1") = "8"
    & skf18("8","8","4","3","9","3","1") = "8"
    & skf18("8","8","4","3","9","4","1") = "8"
    & skf18("8","8","4","3","9","5","1") = "8"
    & skf18("8","8","4","3","9","6","1") = "8"
    & skf18("8","8","4","3","9","7","1") = "8"
    & skf18("8","8","4","3","9","8","1") = "8"
    & skf18("8","8","4","3","9","9","1") = "8"
    & skf18("8","8","4","3","9","10","1") = "9"
    & skf18("8","8","4","3","10","1","1") = "9"
    & skf18("8","8","4","3","10","2","1") = "9"
    & skf18("8","8","4","3","10","3","1") = "9"
    & skf18("8","8","4","3","10","4","1") = "9"
    & skf18("8","8","4","3","10","5","1") = "9"
    & skf18("8","8","4","3","10","6","1") = "9"
    & skf18("8","8","4","3","10","7","1") = "9"
    & skf18("8","8","4","3","10","8","1") = "9"
    & skf18("8","8","4","3","10","9","1") = "9"
    & skf18("8","8","4","3","10","10","1") = "9"
    & skf18("8","8","4","4","1","1","1") = "7"
    & skf18("8","8","4","4","1","2","1") = "7"
    & skf18("8","8","4","4","1","3","1") = "7"
    & skf18("8","8","4","4","1","4","1") = "7"
    & skf18("8","8","4","4","1","5","1") = "7"
    & skf18("8","8","4","4","1","6","1") = "7"
    & skf18("8","8","4","4","1","7","1") = "7"
    & skf18("8","8","4","4","1","8","1") = "7"
    & skf18("8","8","4","4","1","9","1") = "8"
    & skf18("8","8","4","4","1","10","1") = "9"
    & skf18("8","8","4","4","2","1","1") = "7"
    & skf18("8","8","4","4","2","2","1") = "7"
    & skf18("8","8","4","4","2","3","1") = "7"
    & skf18("8","8","4","4","2","4","1") = "7"
    & skf18("8","8","4","4","2","5","1") = "7"
    & skf18("8","8","4","4","2","6","1") = "7"
    & skf18("8","8","4","4","2","7","1") = "7"
    & skf18("8","8","4","4","2","8","1") = "7"
    & skf18("8","8","4","4","2","9","1") = "8"
    & skf18("8","8","4","4","2","10","1") = "9"
    & skf18("8","8","4","4","3","1","1") = "7"
    & skf18("8","8","4","4","3","2","1") = "7"
    & skf18("8","8","4","4","3","3","1") = "7"
    & skf18("8","8","4","4","3","4","1") = "7"
    & skf18("8","8","4","4","3","5","1") = "7"
    & skf18("8","8","4","4","3","6","1") = "7"
    & skf18("8","8","4","4","3","7","1") = "7"
    & skf18("8","8","4","4","3","8","1") = "7"
    & skf18("8","8","4","4","3","9","1") = "8"
    & skf18("8","8","4","4","3","10","1") = "9"
    & skf18("8","8","4","4","4","1","1") = "7"
    & skf18("8","8","4","4","4","2","1") = "7"
    & skf18("8","8","4","4","4","3","1") = "7"
    & skf18("8","8","4","4","4","4","1") = "7"
    & skf18("8","8","4","4","4","5","1") = "7"
    & skf18("8","8","4","4","4","6","1") = "7"
    & skf18("8","8","4","4","4","7","1") = "7"
    & skf18("8","8","4","4","4","8","1") = "7"
    & skf18("8","8","4","4","4","9","1") = "8"
    & skf18("8","8","4","4","4","10","1") = "9"
    & skf18("8","8","4","4","5","1","1") = "7"
    & skf18("8","8","4","4","5","2","1") = "7"
    & skf18("8","8","4","4","5","3","1") = "7"
    & skf18("8","8","4","4","5","4","1") = "7"
    & skf18("8","8","4","4","5","5","1") = "7"
    & skf18("8","8","4","4","5","6","1") = "7"
    & skf18("8","8","4","4","5","7","1") = "7"
    & skf18("8","8","4","4","5","8","1") = "7"
    & skf18("8","8","4","4","5","9","1") = "8"
    & skf18("8","8","4","4","5","10","1") = "9"
    & skf18("8","8","4","4","6","1","1") = "7"
    & skf18("8","8","4","4","6","2","1") = "7"
    & skf18("8","8","4","4","6","3","1") = "7"
    & skf18("8","8","4","4","6","4","1") = "7"
    & skf18("8","8","4","4","6","5","1") = "7"
    & skf18("8","8","4","4","6","6","1") = "7"
    & skf18("8","8","4","4","6","7","1") = "7"
    & skf18("8","8","4","4","6","8","1") = "7"
    & skf18("8","8","4","4","6","9","1") = "8"
    & skf18("8","8","4","4","6","10","1") = "9"
    & skf18("8","8","4","4","7","1","1") = "7"
    & skf18("8","8","4","4","7","2","1") = "7"
    & skf18("8","8","4","4","7","3","1") = "7"
    & skf18("8","8","4","4","7","4","1") = "7"
    & skf18("8","8","4","4","7","5","1") = "7"
    & skf18("8","8","4","4","7","6","1") = "7"
    & skf18("8","8","4","4","7","7","1") = "7"
    & skf18("8","8","4","4","7","8","1") = "7"
    & skf18("8","8","4","4","7","9","1") = "8"
    & skf18("8","8","4","4","7","10","1") = "9"
    & skf18("8","8","4","4","8","1","1") = "7"
    & skf18("8","8","4","4","8","2","1") = "7"
    & skf18("8","8","4","4","8","3","1") = "7"
    & skf18("8","8","4","4","8","4","1") = "7"
    & skf18("8","8","4","4","8","5","1") = "7"
    & skf18("8","8","4","4","8","6","1") = "7"
    & skf18("8","8","4","4","8","7","1") = "7"
    & skf18("8","8","4","4","8","8","1") = "7"
    & skf18("8","8","4","4","8","9","1") = "8"
    & skf18("8","8","4","4","8","10","1") = "9"
    & skf18("8","8","4","4","9","1","1") = "8"
    & skf18("8","8","4","4","9","2","1") = "8"
    & skf18("8","8","4","4","9","3","1") = "8"
    & skf18("8","8","4","4","9","4","1") = "8"
    & skf18("8","8","4","4","9","5","1") = "8"
    & skf18("8","8","4","4","9","6","1") = "8"
    & skf18("8","8","4","4","9","7","1") = "8"
    & skf18("8","8","4","4","9","8","1") = "8"
    & skf18("8","8","4","4","9","9","1") = "8"
    & skf18("8","8","4","4","9","10","1") = "9"
    & skf18("8","8","4","4","10","1","1") = "9"
    & skf18("8","8","4","4","10","2","1") = "9"
    & skf18("8","8","4","4","10","3","1") = "9"
    & skf18("8","8","4","4","10","4","1") = "9"
    & skf18("8","8","4","4","10","5","1") = "9"
    & skf18("8","8","4","4","10","6","1") = "9"
    & skf18("8","8","4","4","10","7","1") = "9"
    & skf18("8","8","4","4","10","8","1") = "9"
    & skf18("8","8","4","4","10","9","1") = "9"
    & skf18("8","8","4","4","10","10","1") = "9"
    & skf18("8","8","4","5","1","1","1") = "7"
    & skf18("8","8","4","5","1","2","1") = "7"
    & skf18("8","8","4","5","1","3","1") = "7"
    & skf18("8","8","4","5","1","4","1") = "7"
    & skf18("8","8","4","5","1","5","1") = "7"
    & skf18("8","8","4","5","1","6","1") = "7"
    & skf18("8","8","4","5","1","7","1") = "7"
    & skf18("8","8","4","5","1","8","1") = "7"
    & skf18("8","8","4","5","1","9","1") = "8"
    & skf18("8","8","4","5","1","10","1") = "9"
    & skf18("8","8","4","5","2","1","1") = "7"
    & skf18("8","8","4","5","2","2","1") = "7"
    & skf18("8","8","4","5","2","3","1") = "7"
    & skf18("8","8","4","5","2","4","1") = "7"
    & skf18("8","8","4","5","2","5","1") = "7"
    & skf18("8","8","4","5","2","6","1") = "7"
    & skf18("8","8","4","5","2","7","1") = "7"
    & skf18("8","8","4","5","2","8","1") = "7"
    & skf18("8","8","4","5","2","9","1") = "8"
    & skf18("8","8","4","5","2","10","1") = "9"
    & skf18("8","8","4","5","3","1","1") = "7"
    & skf18("8","8","4","5","3","2","1") = "7"
    & skf18("8","8","4","5","3","3","1") = "7"
    & skf18("8","8","4","5","3","4","1") = "7"
    & skf18("8","8","4","5","3","5","1") = "7"
    & skf18("8","8","4","5","3","6","1") = "7"
    & skf18("8","8","4","5","3","7","1") = "7"
    & skf18("8","8","4","5","3","8","1") = "7"
    & skf18("8","8","4","5","3","9","1") = "8"
    & skf18("8","8","4","5","3","10","1") = "9"
    & skf18("8","8","4","5","4","1","1") = "7"
    & skf18("8","8","4","5","4","2","1") = "7"
    & skf18("8","8","4","5","4","3","1") = "7"
    & skf18("8","8","4","5","4","4","1") = "7"
    & skf18("8","8","4","5","4","5","1") = "7"
    & skf18("8","8","4","5","4","6","1") = "7"
    & skf18("8","8","4","5","4","7","1") = "7"
    & skf18("8","8","4","5","4","8","1") = "7"
    & skf18("8","8","4","5","4","9","1") = "8"
    & skf18("8","8","4","5","4","10","1") = "9"
    & skf18("8","8","4","5","5","1","1") = "7"
    & skf18("8","8","4","5","5","2","1") = "7"
    & skf18("8","8","4","5","5","3","1") = "7"
    & skf18("8","8","4","5","5","4","1") = "7"
    & skf18("8","8","4","5","5","5","1") = "7"
    & skf18("8","8","4","5","5","6","1") = "7"
    & skf18("8","8","4","5","5","7","1") = "7"
    & skf18("8","8","4","5","5","8","1") = "7"
    & skf18("8","8","4","5","5","9","1") = "8"
    & skf18("8","8","4","5","5","10","1") = "9"
    & skf18("8","8","4","5","6","1","1") = "7"
    & skf18("8","8","4","5","6","2","1") = "7"
    & skf18("8","8","4","5","6","3","1") = "7"
    & skf18("8","8","4","5","6","4","1") = "7"
    & skf18("8","8","4","5","6","5","1") = "7"
    & skf18("8","8","4","5","6","6","1") = "7"
    & skf18("8","8","4","5","6","7","1") = "7"
    & skf18("8","8","4","5","6","8","1") = "7"
    & skf18("8","8","4","5","6","9","1") = "8"
    & skf18("8","8","4","5","6","10","1") = "9"
    & skf18("8","8","4","5","7","1","1") = "7"
    & skf18("8","8","4","5","7","2","1") = "7"
    & skf18("8","8","4","5","7","3","1") = "7"
    & skf18("8","8","4","5","7","4","1") = "7"
    & skf18("8","8","4","5","7","5","1") = "7"
    & skf18("8","8","4","5","7","6","1") = "7"
    & skf18("8","8","4","5","7","7","1") = "7"
    & skf18("8","8","4","5","7","8","1") = "7"
    & skf18("8","8","4","5","7","9","1") = "8"
    & skf18("8","8","4","5","7","10","1") = "9"
    & skf18("8","8","4","5","8","1","1") = "7"
    & skf18("8","8","4","5","8","2","1") = "7"
    & skf18("8","8","4","5","8","3","1") = "7"
    & skf18("8","8","4","5","8","4","1") = "7"
    & skf18("8","8","4","5","8","5","1") = "7"
    & skf18("8","8","4","5","8","6","1") = "7"
    & skf18("8","8","4","5","8","7","1") = "7"
    & skf18("8","8","4","5","8","8","1") = "7"
    & skf18("8","8","4","5","8","9","1") = "8"
    & skf18("8","8","4","5","8","10","1") = "9"
    & skf18("8","8","4","5","9","1","1") = "8"
    & skf18("8","8","4","5","9","2","1") = "8"
    & skf18("8","8","4","5","9","3","1") = "8"
    & skf18("8","8","4","5","9","4","1") = "8"
    & skf18("8","8","4","5","9","5","1") = "8"
    & skf18("8","8","4","5","9","6","1") = "8"
    & skf18("8","8","4","5","9","7","1") = "8"
    & skf18("8","8","4","5","9","8","1") = "8"
    & skf18("8","8","4","5","9","9","1") = "8"
    & skf18("8","8","4","5","9","10","1") = "9"
    & skf18("8","8","4","5","10","1","1") = "9"
    & skf18("8","8","4","5","10","2","1") = "9"
    & skf18("8","8","4","5","10","3","1") = "9"
    & skf18("8","8","4","5","10","4","1") = "9"
    & skf18("8","8","4","5","10","5","1") = "9"
    & skf18("8","8","4","5","10","6","1") = "9"
    & skf18("8","8","4","5","10","7","1") = "9"
    & skf18("8","8","4","5","10","8","1") = "9"
    & skf18("8","8","4","5","10","9","1") = "9"
    & skf18("8","8","4","5","10","10","1") = "9"
    & skf18("8","8","4","6","1","1","1") = "7"
    & skf18("8","8","4","6","1","2","1") = "7"
    & skf18("8","8","4","6","1","3","1") = "7"
    & skf18("8","8","4","6","1","4","1") = "7"
    & skf18("8","8","4","6","1","5","1") = "7"
    & skf18("8","8","4","6","1","6","1") = "7"
    & skf18("8","8","4","6","1","7","1") = "7"
    & skf18("8","8","4","6","1","8","1") = "7"
    & skf18("8","8","4","6","1","9","1") = "8"
    & skf18("8","8","4","6","1","10","1") = "9"
    & skf18("8","8","4","6","2","1","1") = "7"
    & skf18("8","8","4","6","2","2","1") = "7"
    & skf18("8","8","4","6","2","3","1") = "7"
    & skf18("8","8","4","6","2","4","1") = "7"
    & skf18("8","8","4","6","2","5","1") = "7"
    & skf18("8","8","4","6","2","6","1") = "7"
    & skf18("8","8","4","6","2","7","1") = "7"
    & skf18("8","8","4","6","2","8","1") = "7"
    & skf18("8","8","4","6","2","9","1") = "8"
    & skf18("8","8","4","6","2","10","1") = "9"
    & skf18("8","8","4","6","3","1","1") = "7"
    & skf18("8","8","4","6","3","2","1") = "7"
    & skf18("8","8","4","6","3","3","1") = "7"
    & skf18("8","8","4","6","3","4","1") = "7"
    & skf18("8","8","4","6","3","5","1") = "7"
    & skf18("8","8","4","6","3","6","1") = "7"
    & skf18("8","8","4","6","3","7","1") = "7"
    & skf18("8","8","4","6","3","8","1") = "7"
    & skf18("8","8","4","6","3","9","1") = "8"
    & skf18("8","8","4","6","3","10","1") = "9"
    & skf18("8","8","4","6","4","1","1") = "7"
    & skf18("8","8","4","6","4","2","1") = "7"
    & skf18("8","8","4","6","4","3","1") = "7"
    & skf18("8","8","4","6","4","4","1") = "7"
    & skf18("8","8","4","6","4","5","1") = "7"
    & skf18("8","8","4","6","4","6","1") = "7"
    & skf18("8","8","4","6","4","7","1") = "7"
    & skf18("8","8","4","6","4","8","1") = "7"
    & skf18("8","8","4","6","4","9","1") = "8"
    & skf18("8","8","4","6","4","10","1") = "9"
    & skf18("8","8","4","6","5","1","1") = "7"
    & skf18("8","8","4","6","5","2","1") = "7"
    & skf18("8","8","4","6","5","3","1") = "7"
    & skf18("8","8","4","6","5","4","1") = "7"
    & skf18("8","8","4","6","5","5","1") = "7"
    & skf18("8","8","4","6","5","6","1") = "7"
    & skf18("8","8","4","6","5","7","1") = "7"
    & skf18("8","8","4","6","5","8","1") = "7"
    & skf18("8","8","4","6","5","9","1") = "8"
    & skf18("8","8","4","6","5","10","1") = "9"
    & skf18("8","8","4","6","6","1","1") = "7"
    & skf18("8","8","4","6","6","2","1") = "7"
    & skf18("8","8","4","6","6","3","1") = "7"
    & skf18("8","8","4","6","6","4","1") = "7"
    & skf18("8","8","4","6","6","5","1") = "7"
    & skf18("8","8","4","6","6","6","1") = "7"
    & skf18("8","8","4","6","6","7","1") = "7"
    & skf18("8","8","4","6","6","8","1") = "7"
    & skf18("8","8","4","6","6","9","1") = "8"
    & skf18("8","8","4","6","6","10","1") = "9"
    & skf18("8","8","4","6","7","1","1") = "7"
    & skf18("8","8","4","6","7","2","1") = "7"
    & skf18("8","8","4","6","7","3","1") = "7"
    & skf18("8","8","4","6","7","4","1") = "7"
    & skf18("8","8","4","6","7","5","1") = "7"
    & skf18("8","8","4","6","7","6","1") = "7"
    & skf18("8","8","4","6","7","7","1") = "7"
    & skf18("8","8","4","6","7","8","1") = "7"
    & skf18("8","8","4","6","7","9","1") = "8"
    & skf18("8","8","4","6","7","10","1") = "9"
    & skf18("8","8","4","6","8","1","1") = "7"
    & skf18("8","8","4","6","8","2","1") = "7"
    & skf18("8","8","4","6","8","3","1") = "7"
    & skf18("8","8","4","6","8","4","1") = "7"
    & skf18("8","8","4","6","8","5","1") = "7"
    & skf18("8","8","4","6","8","6","1") = "7"
    & skf18("8","8","4","6","8","7","1") = "7"
    & skf18("8","8","4","6","8","8","1") = "7"
    & skf18("8","8","4","6","8","9","1") = "8"
    & skf18("8","8","4","6","8","10","1") = "9"
    & skf18("8","8","4","6","9","1","1") = "8"
    & skf18("8","8","4","6","9","2","1") = "8"
    & skf18("8","8","4","6","9","3","1") = "8"
    & skf18("8","8","4","6","9","4","1") = "8"
    & skf18("8","8","4","6","9","5","1") = "8"
    & skf18("8","8","4","6","9","6","1") = "8"
    & skf18("8","8","4","6","9","7","1") = "8"
    & skf18("8","8","4","6","9","8","1") = "8"
    & skf18("8","8","4","6","9","9","1") = "8"
    & skf18("8","8","4","6","9","10","1") = "9"
    & skf18("8","8","4","6","10","1","1") = "9"
    & skf18("8","8","4","6","10","2","1") = "9"
    & skf18("8","8","4","6","10","3","1") = "9"
    & skf18("8","8","4","6","10","4","1") = "9"
    & skf18("8","8","4","6","10","5","1") = "9"
    & skf18("8","8","4","6","10","6","1") = "9"
    & skf18("8","8","4","6","10","7","1") = "9"
    & skf18("8","8","4","6","10","8","1") = "9"
    & skf18("8","8","4","6","10","9","1") = "9"
    & skf18("8","8","4","6","10","10","1") = "9"
    & skf18("8","8","4","7","1","1","1") = "7"
    & skf18("8","8","4","7","1","2","1") = "7"
    & skf18("8","8","4","7","1","3","1") = "7"
    & skf18("8","8","4","7","1","4","1") = "7"
    & skf18("8","8","4","7","1","5","1") = "7"
    & skf18("8","8","4","7","1","6","1") = "7"
    & skf18("8","8","4","7","1","7","1") = "7"
    & skf18("8","8","4","7","1","8","1") = "7"
    & skf18("8","8","4","7","1","9","1") = "8"
    & skf18("8","8","4","7","1","10","1") = "9"
    & skf18("8","8","4","7","2","1","1") = "7"
    & skf18("8","8","4","7","2","2","1") = "7"
    & skf18("8","8","4","7","2","3","1") = "7"
    & skf18("8","8","4","7","2","4","1") = "7"
    & skf18("8","8","4","7","2","5","1") = "7"
    & skf18("8","8","4","7","2","6","1") = "7"
    & skf18("8","8","4","7","2","7","1") = "7"
    & skf18("8","8","4","7","2","8","1") = "7"
    & skf18("8","8","4","7","2","9","1") = "8"
    & skf18("8","8","4","7","2","10","1") = "9"
    & skf18("8","8","4","7","3","1","1") = "7"
    & skf18("8","8","4","7","3","2","1") = "7"
    & skf18("8","8","4","7","3","3","1") = "7"
    & skf18("8","8","4","7","3","4","1") = "7"
    & skf18("8","8","4","7","3","5","1") = "7"
    & skf18("8","8","4","7","3","6","1") = "7"
    & skf18("8","8","4","7","3","7","1") = "7"
    & skf18("8","8","4","7","3","8","1") = "7"
    & skf18("8","8","4","7","3","9","1") = "8"
    & skf18("8","8","4","7","3","10","1") = "9"
    & skf18("8","8","4","7","4","1","1") = "7"
    & skf18("8","8","4","7","4","2","1") = "7"
    & skf18("8","8","4","7","4","3","1") = "7"
    & skf18("8","8","4","7","4","4","1") = "7"
    & skf18("8","8","4","7","4","5","1") = "7"
    & skf18("8","8","4","7","4","6","1") = "7"
    & skf18("8","8","4","7","4","7","1") = "7"
    & skf18("8","8","4","7","4","8","1") = "7"
    & skf18("8","8","4","7","4","9","1") = "8"
    & skf18("8","8","4","7","4","10","1") = "9"
    & skf18("8","8","4","7","5","1","1") = "7"
    & skf18("8","8","4","7","5","2","1") = "7"
    & skf18("8","8","4","7","5","3","1") = "7"
    & skf18("8","8","4","7","5","4","1") = "7"
    & skf18("8","8","4","7","5","5","1") = "7"
    & skf18("8","8","4","7","5","6","1") = "7"
    & skf18("8","8","4","7","5","7","1") = "7"
    & skf18("8","8","4","7","5","8","1") = "7"
    & skf18("8","8","4","7","5","9","1") = "8"
    & skf18("8","8","4","7","5","10","1") = "9"
    & skf18("8","8","4","7","6","1","1") = "7"
    & skf18("8","8","4","7","6","2","1") = "7"
    & skf18("8","8","4","7","6","3","1") = "7"
    & skf18("8","8","4","7","6","4","1") = "7"
    & skf18("8","8","4","7","6","5","1") = "7"
    & skf18("8","8","4","7","6","6","1") = "7"
    & skf18("8","8","4","7","6","7","1") = "7"
    & skf18("8","8","4","7","6","8","1") = "7"
    & skf18("8","8","4","7","6","9","1") = "8"
    & skf18("8","8","4","7","6","10","1") = "9"
    & skf18("8","8","4","7","7","1","1") = "7"
    & skf18("8","8","4","7","7","2","1") = "7"
    & skf18("8","8","4","7","7","3","1") = "7"
    & skf18("8","8","4","7","7","4","1") = "7"
    & skf18("8","8","4","7","7","5","1") = "7"
    & skf18("8","8","4","7","7","6","1") = "7"
    & skf18("8","8","4","7","7","7","1") = "7"
    & skf18("8","8","4","7","7","8","1") = "7"
    & skf18("8","8","4","7","7","9","1") = "8"
    & skf18("8","8","4","7","7","10","1") = "9"
    & skf18("8","8","4","7","8","1","1") = "7"
    & skf18("8","8","4","7","8","2","1") = "7"
    & skf18("8","8","4","7","8","3","1") = "7"
    & skf18("8","8","4","7","8","4","1") = "7"
    & skf18("8","8","4","7","8","5","1") = "7"
    & skf18("8","8","4","7","8","6","1") = "7"
    & skf18("8","8","4","7","8","7","1") = "7"
    & skf18("8","8","4","7","8","8","1") = "7"
    & skf18("8","8","4","7","8","9","1") = "8"
    & skf18("8","8","4","7","8","10","1") = "9"
    & skf18("8","8","4","7","9","1","1") = "8"
    & skf18("8","8","4","7","9","2","1") = "8"
    & skf18("8","8","4","7","9","3","1") = "8"
    & skf18("8","8","4","7","9","4","1") = "8"
    & skf18("8","8","4","7","9","5","1") = "8"
    & skf18("8","8","4","7","9","6","1") = "8"
    & skf18("8","8","4","7","9","7","1") = "8"
    & skf18("8","8","4","7","9","8","1") = "8"
    & skf18("8","8","4","7","9","9","1") = "8"
    & skf18("8","8","4","7","9","10","1") = "9"
    & skf18("8","8","4","7","10","1","1") = "9"
    & skf18("8","8","4","7","10","2","1") = "9"
    & skf18("8","8","4","7","10","3","1") = "9"
    & skf18("8","8","4","7","10","4","1") = "9"
    & skf18("8","8","4","7","10","5","1") = "9"
    & skf18("8","8","4","7","10","6","1") = "9"
    & skf18("8","8","4","7","10","7","1") = "9"
    & skf18("8","8","4","7","10","8","1") = "9"
    & skf18("8","8","4","7","10","9","1") = "9"
    & skf18("8","8","4","7","10","10","1") = "9"
    & skf18("8","8","4","8","1","1","1") = "7"
    & skf18("8","8","4","8","1","2","1") = "7"
    & skf18("8","8","4","8","1","3","1") = "7"
    & skf18("8","8","4","8","1","4","1") = "7"
    & skf18("8","8","4","8","1","5","1") = "7"
    & skf18("8","8","4","8","1","6","1") = "7"
    & skf18("8","8","4","8","1","7","1") = "7"
    & skf18("8","8","4","8","1","8","1") = "7"
    & skf18("8","8","4","8","1","9","1") = "8"
    & skf18("8","8","4","8","1","10","1") = "9"
    & skf18("8","8","4","8","2","1","1") = "7"
    & skf18("8","8","4","8","2","2","1") = "7"
    & skf18("8","8","4","8","2","3","1") = "7"
    & skf18("8","8","4","8","2","4","1") = "7"
    & skf18("8","8","4","8","2","5","1") = "7"
    & skf18("8","8","4","8","2","6","1") = "7"
    & skf18("8","8","4","8","2","7","1") = "7"
    & skf18("8","8","4","8","2","8","1") = "7"
    & skf18("8","8","4","8","2","9","1") = "8"
    & skf18("8","8","4","8","2","10","1") = "9"
    & skf18("8","8","4","8","3","1","1") = "7"
    & skf18("8","8","4","8","3","2","1") = "7"
    & skf18("8","8","4","8","3","3","1") = "7"
    & skf18("8","8","4","8","3","4","1") = "7"
    & skf18("8","8","4","8","3","5","1") = "7"
    & skf18("8","8","4","8","3","6","1") = "7"
    & skf18("8","8","4","8","3","7","1") = "7"
    & skf18("8","8","4","8","3","8","1") = "7"
    & skf18("8","8","4","8","3","9","1") = "8"
    & skf18("8","8","4","8","3","10","1") = "9"
    & skf18("8","8","4","8","4","1","1") = "7"
    & skf18("8","8","4","8","4","2","1") = "7"
    & skf18("8","8","4","8","4","3","1") = "7"
    & skf18("8","8","4","8","4","4","1") = "7"
    & skf18("8","8","4","8","4","5","1") = "7"
    & skf18("8","8","4","8","4","6","1") = "7"
    & skf18("8","8","4","8","4","7","1") = "7"
    & skf18("8","8","4","8","4","8","1") = "7"
    & skf18("8","8","4","8","4","9","1") = "8"
    & skf18("8","8","4","8","4","10","1") = "9"
    & skf18("8","8","4","8","5","1","1") = "7"
    & skf18("8","8","4","8","5","2","1") = "7"
    & skf18("8","8","4","8","5","3","1") = "7"
    & skf18("8","8","4","8","5","4","1") = "7"
    & skf18("8","8","4","8","5","5","1") = "7"
    & skf18("8","8","4","8","5","6","1") = "7"
    & skf18("8","8","4","8","5","7","1") = "7"
    & skf18("8","8","4","8","5","8","1") = "7"
    & skf18("8","8","4","8","5","9","1") = "8"
    & skf18("8","8","4","8","5","10","1") = "9"
    & skf18("8","8","4","8","6","1","1") = "7"
    & skf18("8","8","4","8","6","2","1") = "7"
    & skf18("8","8","4","8","6","3","1") = "7"
    & skf18("8","8","4","8","6","4","1") = "7"
    & skf18("8","8","4","8","6","5","1") = "7"
    & skf18("8","8","4","8","6","6","1") = "7"
    & skf18("8","8","4","8","6","7","1") = "7"
    & skf18("8","8","4","8","6","8","1") = "7"
    & skf18("8","8","4","8","6","9","1") = "8"
    & skf18("8","8","4","8","6","10","1") = "9"
    & skf18("8","8","4","8","7","1","1") = "7"
    & skf18("8","8","4","8","7","2","1") = "7"
    & skf18("8","8","4","8","7","3","1") = "7"
    & skf18("8","8","4","8","7","4","1") = "7"
    & skf18("8","8","4","8","7","5","1") = "7"
    & skf18("8","8","4","8","7","6","1") = "7"
    & skf18("8","8","4","8","7","7","1") = "7"
    & skf18("8","8","4","8","7","8","1") = "7"
    & skf18("8","8","4","8","7","9","1") = "8"
    & skf18("8","8","4","8","7","10","1") = "9"
    & skf18("8","8","4","8","8","1","1") = "7"
    & skf18("8","8","4","8","8","2","1") = "7"
    & skf18("8","8","4","8","8","3","1") = "7"
    & skf18("8","8","4","8","8","4","1") = "7"
    & skf18("8","8","4","8","8","5","1") = "7"
    & skf18("8","8","4","8","8","6","1") = "7"
    & skf18("8","8","4","8","8","7","1") = "7"
    & skf18("8","8","4","8","8","8","1") = "7"
    & skf18("8","8","4","8","8","9","1") = "8"
    & skf18("8","8","4","8","8","10","1") = "9"
    & skf18("8","8","4","8","9","1","1") = "8"
    & skf18("8","8","4","8","9","2","1") = "8"
    & skf18("8","8","4","8","9","3","1") = "8"
    & skf18("8","8","4","8","9","4","1") = "8"
    & skf18("8","8","4","8","9","5","1") = "8"
    & skf18("8","8","4","8","9","6","1") = "8"
    & skf18("8","8","4","8","9","7","1") = "8"
    & skf18("8","8","4","8","9","8","1") = "8"
    & skf18("8","8","4","8","9","9","1") = "8"
    & skf18("8","8","4","8","9","10","1") = "9"
    & skf18("8","8","4","8","10","1","1") = "9"
    & skf18("8","8","4","8","10","2","1") = "9"
    & skf18("8","8","4","8","10","3","1") = "9"
    & skf18("8","8","4","8","10","4","1") = "9"
    & skf18("8","8","4","8","10","5","1") = "9"
    & skf18("8","8","4","8","10","6","1") = "9"
    & skf18("8","8","4","8","10","7","1") = "9"
    & skf18("8","8","4","8","10","8","1") = "9"
    & skf18("8","8","4","8","10","9","1") = "9"
    & skf18("8","8","4","8","10","10","1") = "9"
    & skf18("8","8","4","9","1","1","1") = "8"
    & skf18("8","8","4","9","1","2","1") = "8"
    & skf18("8","8","4","9","1","3","1") = "8"
    & skf18("8","8","4","9","1","4","1") = "8"
    & skf18("8","8","4","9","1","5","1") = "8"
    & skf18("8","8","4","9","1","6","1") = "8"
    & skf18("8","8","4","9","1","7","1") = "8"
    & skf18("8","8","4","9","1","8","1") = "8"
    & skf18("8","8","4","9","1","9","1") = "8"
    & skf18("8","8","4","9","1","10","1") = "9"
    & skf18("8","8","4","9","2","1","1") = "8"
    & skf18("8","8","4","9","2","2","1") = "8"
    & skf18("8","8","4","9","2","3","1") = "8"
    & skf18("8","8","4","9","2","4","1") = "8"
    & skf18("8","8","4","9","2","5","1") = "8"
    & skf18("8","8","4","9","2","6","1") = "8"
    & skf18("8","8","4","9","2","7","1") = "8"
    & skf18("8","8","4","9","2","8","1") = "8"
    & skf18("8","8","4","9","2","9","1") = "8"
    & skf18("8","8","4","9","2","10","1") = "9"
    & skf18("8","8","4","9","3","1","1") = "8"
    & skf18("8","8","4","9","3","2","1") = "8"
    & skf18("8","8","4","9","3","3","1") = "8"
    & skf18("8","8","4","9","3","4","1") = "8"
    & skf18("8","8","4","9","3","5","1") = "8"
    & skf18("8","8","4","9","3","6","1") = "8"
    & skf18("8","8","4","9","3","7","1") = "8"
    & skf18("8","8","4","9","3","8","1") = "8"
    & skf18("8","8","4","9","3","9","1") = "8"
    & skf18("8","8","4","9","3","10","1") = "9"
    & skf18("8","8","4","9","4","1","1") = "8"
    & skf18("8","8","4","9","4","2","1") = "8"
    & skf18("8","8","4","9","4","3","1") = "8"
    & skf18("8","8","4","9","4","4","1") = "8"
    & skf18("8","8","4","9","4","5","1") = "8"
    & skf18("8","8","4","9","4","6","1") = "8"
    & skf18("8","8","4","9","4","7","1") = "8"
    & skf18("8","8","4","9","4","8","1") = "8"
    & skf18("8","8","4","9","4","9","1") = "8"
    & skf18("8","8","4","9","4","10","1") = "9"
    & skf18("8","8","4","9","5","1","1") = "8"
    & skf18("8","8","4","9","5","2","1") = "8"
    & skf18("8","8","4","9","5","3","1") = "8"
    & skf18("8","8","4","9","5","4","1") = "8"
    & skf18("8","8","4","9","5","5","1") = "8"
    & skf18("8","8","4","9","5","6","1") = "8"
    & skf18("8","8","4","9","5","7","1") = "8"
    & skf18("8","8","4","9","5","8","1") = "8"
    & skf18("8","8","4","9","5","9","1") = "8"
    & skf18("8","8","4","9","5","10","1") = "9"
    & skf18("8","8","4","9","6","1","1") = "8"
    & skf18("8","8","4","9","6","2","1") = "8"
    & skf18("8","8","4","9","6","3","1") = "8"
    & skf18("8","8","4","9","6","4","1") = "8"
    & skf18("8","8","4","9","6","5","1") = "8"
    & skf18("8","8","4","9","6","6","1") = "8"
    & skf18("8","8","4","9","6","7","1") = "8"
    & skf18("8","8","4","9","6","8","1") = "8"
    & skf18("8","8","4","9","6","9","1") = "8"
    & skf18("8","8","4","9","6","10","1") = "9"
    & skf18("8","8","4","9","7","1","1") = "8"
    & skf18("8","8","4","9","7","2","1") = "8"
    & skf18("8","8","4","9","7","3","1") = "8"
    & skf18("8","8","4","9","7","4","1") = "8"
    & skf18("8","8","4","9","7","5","1") = "8"
    & skf18("8","8","4","9","7","6","1") = "8"
    & skf18("8","8","4","9","7","7","1") = "8"
    & skf18("8","8","4","9","7","8","1") = "8"
    & skf18("8","8","4","9","7","9","1") = "8"
    & skf18("8","8","4","9","7","10","1") = "9"
    & skf18("8","8","4","9","8","1","1") = "8"
    & skf18("8","8","4","9","8","2","1") = "8"
    & skf18("8","8","4","9","8","3","1") = "8"
    & skf18("8","8","4","9","8","4","1") = "8"
    & skf18("8","8","4","9","8","5","1") = "8"
    & skf18("8","8","4","9","8","6","1") = "8"
    & skf18("8","8","4","9","8","7","1") = "8"
    & skf18("8","8","4","9","8","8","1") = "8"
    & skf18("8","8","4","9","8","9","1") = "8"
    & skf18("8","8","4","9","8","10","1") = "9"
    & skf18("8","8","4","9","9","1","1") = "8"
    & skf18("8","8","4","9","9","2","1") = "8"
    & skf18("8","8","4","9","9","3","1") = "8"
    & skf18("8","8","4","9","9","4","1") = "8"
    & skf18("8","8","4","9","9","5","1") = "8"
    & skf18("8","8","4","9","9","6","1") = "8"
    & skf18("8","8","4","9","9","7","1") = "8"
    & skf18("8","8","4","9","9","8","1") = "8"
    & skf18("8","8","4","9","9","9","1") = "8"
    & skf18("8","8","4","9","9","10","1") = "9"
    & skf18("8","8","4","9","10","1","1") = "9"
    & skf18("8","8","4","9","10","2","1") = "9"
    & skf18("8","8","4","9","10","3","1") = "9"
    & skf18("8","8","4","9","10","4","1") = "9"
    & skf18("8","8","4","9","10","5","1") = "9"
    & skf18("8","8","4","9","10","6","1") = "9"
    & skf18("8","8","4","9","10","7","1") = "9"
    & skf18("8","8","4","9","10","8","1") = "9"
    & skf18("8","8","4","9","10","9","1") = "9"
    & skf18("8","8","4","9","10","10","1") = "9"
    & skf18("8","8","4","10","1","1","1") = "9"
    & skf18("8","8","4","10","1","2","1") = "9"
    & skf18("8","8","4","10","1","3","1") = "9"
    & skf18("8","8","4","10","1","4","1") = "9"
    & skf18("8","8","4","10","1","5","1") = "9"
    & skf18("8","8","4","10","1","6","1") = "9"
    & skf18("8","8","4","10","1","7","1") = "9"
    & skf18("8","8","4","10","1","8","1") = "9"
    & skf18("8","8","4","10","1","9","1") = "9"
    & skf18("8","8","4","10","1","10","1") = "9"
    & skf18("8","8","4","10","2","1","1") = "9"
    & skf18("8","8","4","10","2","2","1") = "9"
    & skf18("8","8","4","10","2","3","1") = "9"
    & skf18("8","8","4","10","2","4","1") = "9"
    & skf18("8","8","4","10","2","5","1") = "9"
    & skf18("8","8","4","10","2","6","1") = "9"
    & skf18("8","8","4","10","2","7","1") = "9"
    & skf18("8","8","4","10","2","8","1") = "9"
    & skf18("8","8","4","10","2","9","1") = "9"
    & skf18("8","8","4","10","2","10","1") = "9"
    & skf18("8","8","4","10","3","1","1") = "9"
    & skf18("8","8","4","10","3","2","1") = "9"
    & skf18("8","8","4","10","3","3","1") = "9"
    & skf18("8","8","4","10","3","4","1") = "9"
    & skf18("8","8","4","10","3","5","1") = "9"
    & skf18("8","8","4","10","3","6","1") = "9"
    & skf18("8","8","4","10","3","7","1") = "9"
    & skf18("8","8","4","10","3","8","1") = "9"
    & skf18("8","8","4","10","3","9","1") = "9"
    & skf18("8","8","4","10","3","10","1") = "9"
    & skf18("8","8","4","10","4","1","1") = "9"
    & skf18("8","8","4","10","4","2","1") = "9"
    & skf18("8","8","4","10","4","3","1") = "9"
    & skf18("8","8","4","10","4","4","1") = "9"
    & skf18("8","8","4","10","4","5","1") = "9"
    & skf18("8","8","4","10","4","6","1") = "9"
    & skf18("8","8","4","10","4","7","1") = "9"
    & skf18("8","8","4","10","4","8","1") = "9"
    & skf18("8","8","4","10","4","9","1") = "9"
    & skf18("8","8","4","10","4","10","1") = "9"
    & skf18("8","8","4","10","5","1","1") = "9"
    & skf18("8","8","4","10","5","2","1") = "9"
    & skf18("8","8","4","10","5","3","1") = "9"
    & skf18("8","8","4","10","5","4","1") = "9"
    & skf18("8","8","4","10","5","5","1") = "9"
    & skf18("8","8","4","10","5","6","1") = "9"
    & skf18("8","8","4","10","5","7","1") = "9"
    & skf18("8","8","4","10","5","8","1") = "9"
    & skf18("8","8","4","10","5","9","1") = "9"
    & skf18("8","8","4","10","5","10","1") = "9"
    & skf18("8","8","4","10","6","1","1") = "9"
    & skf18("8","8","4","10","6","2","1") = "9"
    & skf18("8","8","4","10","6","3","1") = "9"
    & skf18("8","8","4","10","6","4","1") = "9"
    & skf18("8","8","4","10","6","5","1") = "9"
    & skf18("8","8","4","10","6","6","1") = "9"
    & skf18("8","8","4","10","6","7","1") = "9"
    & skf18("8","8","4","10","6","8","1") = "9"
    & skf18("8","8","4","10","6","9","1") = "9"
    & skf18("8","8","4","10","6","10","1") = "9"
    & skf18("8","8","4","10","7","1","1") = "9"
    & skf18("8","8","4","10","7","2","1") = "9"
    & skf18("8","8","4","10","7","3","1") = "9"
    & skf18("8","8","4","10","7","4","1") = "9"
    & skf18("8","8","4","10","7","5","1") = "9"
    & skf18("8","8","4","10","7","6","1") = "9"
    & skf18("8","8","4","10","7","7","1") = "9"
    & skf18("8","8","4","10","7","8","1") = "9"
    & skf18("8","8","4","10","7","9","1") = "9"
    & skf18("8","8","4","10","7","10","1") = "9"
    & skf18("8","8","4","10","8","1","1") = "9"
    & skf18("8","8","4","10","8","2","1") = "9"
    & skf18("8","8","4","10","8","3","1") = "9"
    & skf18("8","8","4","10","8","4","1") = "9"
    & skf18("8","8","4","10","8","5","1") = "9"
    & skf18("8","8","4","10","8","6","1") = "9"
    & skf18("8","8","4","10","8","7","1") = "9"
    & skf18("8","8","4","10","8","8","1") = "9"
    & skf18("8","8","4","10","8","9","1") = "9"
    & skf18("8","8","4","10","8","10","1") = "9"
    & skf18("8","8","4","10","9","1","1") = "9"
    & skf18("8","8","4","10","9","2","1") = "9"
    & skf18("8","8","4","10","9","3","1") = "9"
    & skf18("8","8","4","10","9","4","1") = "9"
    & skf18("8","8","4","10","9","5","1") = "9"
    & skf18("8","8","4","10","9","6","1") = "9"
    & skf18("8","8","4","10","9","7","1") = "9"
    & skf18("8","8","4","10","9","8","1") = "9"
    & skf18("8","8","4","10","9","9","1") = "9"
    & skf18("8","8","4","10","9","10","1") = "9"
    & skf18("8","8","4","10","10","1","1") = "9"
    & skf18("8","8","4","10","10","2","1") = "9"
    & skf18("8","8","4","10","10","3","1") = "9"
    & skf18("8","8","4","10","10","4","1") = "9"
    & skf18("8","8","4","10","10","5","1") = "9"
    & skf18("8","8","4","10","10","6","1") = "9"
    & skf18("8","8","4","10","10","7","1") = "9"
    & skf18("8","8","4","10","10","8","1") = "9"
    & skf18("8","8","4","10","10","9","1") = "9"
    & skf18("8","8","4","10","10","10","1") = "9"
    & skf18("8","8","5","1","1","1","1") = "7"
    & skf18("8","8","5","1","1","2","1") = "7"
    & skf18("8","8","5","1","1","3","1") = "7"
    & skf18("8","8","5","1","1","4","1") = "7"
    & skf18("8","8","5","1","1","5","1") = "7"
    & skf18("8","8","5","1","1","6","1") = "7"
    & skf18("8","8","5","1","1","7","1") = "7"
    & skf18("8","8","5","1","1","8","1") = "7"
    & skf18("8","8","5","1","1","9","1") = "8"
    & skf18("8","8","5","1","1","10","1") = "9"
    & skf18("8","8","5","1","2","1","1") = "7"
    & skf18("8","8","5","1","2","2","1") = "7"
    & skf18("8","8","5","1","2","3","1") = "7"
    & skf18("8","8","5","1","2","4","1") = "7"
    & skf18("8","8","5","1","2","5","1") = "7"
    & skf18("8","8","5","1","2","6","1") = "7"
    & skf18("8","8","5","1","2","7","1") = "7"
    & skf18("8","8","5","1","2","8","1") = "7"
    & skf18("8","8","5","1","2","9","1") = "8"
    & skf18("8","8","5","1","2","10","1") = "9"
    & skf18("8","8","5","1","3","1","1") = "7"
    & skf18("8","8","5","1","3","2","1") = "7"
    & skf18("8","8","5","1","3","3","1") = "7"
    & skf18("8","8","5","1","3","4","1") = "7"
    & skf18("8","8","5","1","3","5","1") = "7"
    & skf18("8","8","5","1","3","6","1") = "7"
    & skf18("8","8","5","1","3","7","1") = "7"
    & skf18("8","8","5","1","3","8","1") = "7"
    & skf18("8","8","5","1","3","9","1") = "8"
    & skf18("8","8","5","1","3","10","1") = "9"
    & skf18("8","8","5","1","4","1","1") = "7"
    & skf18("8","8","5","1","4","2","1") = "7"
    & skf18("8","8","5","1","4","3","1") = "7"
    & skf18("8","8","5","1","4","4","1") = "7"
    & skf18("8","8","5","1","4","5","1") = "7"
    & skf18("8","8","5","1","4","6","1") = "7"
    & skf18("8","8","5","1","4","7","1") = "7"
    & skf18("8","8","5","1","4","8","1") = "7"
    & skf18("8","8","5","1","4","9","1") = "8"
    & skf18("8","8","5","1","4","10","1") = "9"
    & skf18("8","8","5","1","5","1","1") = "7"
    & skf18("8","8","5","1","5","2","1") = "7"
    & skf18("8","8","5","1","5","3","1") = "7"
    & skf18("8","8","5","1","5","4","1") = "7"
    & skf18("8","8","5","1","5","5","1") = "7"
    & skf18("8","8","5","1","5","6","1") = "7"
    & skf18("8","8","5","1","5","7","1") = "7"
    & skf18("8","8","5","1","5","8","1") = "7"
    & skf18("8","8","5","1","5","9","1") = "8"
    & skf18("8","8","5","1","5","10","1") = "9"
    & skf18("8","8","5","1","6","1","1") = "7"
    & skf18("8","8","5","1","6","2","1") = "7"
    & skf18("8","8","5","1","6","3","1") = "7"
    & skf18("8","8","5","1","6","4","1") = "7"
    & skf18("8","8","5","1","6","5","1") = "7"
    & skf18("8","8","5","1","6","6","1") = "7"
    & skf18("8","8","5","1","6","7","1") = "7"
    & skf18("8","8","5","1","6","8","1") = "7"
    & skf18("8","8","5","1","6","9","1") = "8"
    & skf18("8","8","5","1","6","10","1") = "9"
    & skf18("8","8","5","1","7","1","1") = "7"
    & skf18("8","8","5","1","7","2","1") = "7"
    & skf18("8","8","5","1","7","3","1") = "7"
    & skf18("8","8","5","1","7","4","1") = "7"
    & skf18("8","8","5","1","7","5","1") = "7"
    & skf18("8","8","5","1","7","6","1") = "7"
    & skf18("8","8","5","1","7","7","1") = "7"
    & skf18("8","8","5","1","7","8","1") = "7"
    & skf18("8","8","5","1","7","9","1") = "8"
    & skf18("8","8","5","1","7","10","1") = "9"
    & skf18("8","8","5","1","8","1","1") = "7"
    & skf18("8","8","5","1","8","2","1") = "7"
    & skf18("8","8","5","1","8","3","1") = "7"
    & skf18("8","8","5","1","8","4","1") = "7"
    & skf18("8","8","5","1","8","5","1") = "7"
    & skf18("8","8","5","1","8","6","1") = "7"
    & skf18("8","8","5","1","8","7","1") = "7"
    & skf18("8","8","5","1","8","8","1") = "7"
    & skf18("8","8","5","1","8","9","1") = "8"
    & skf18("8","8","5","1","8","10","1") = "9"
    & skf18("8","8","5","1","9","1","1") = "8"
    & skf18("8","8","5","1","9","2","1") = "8"
    & skf18("8","8","5","1","9","3","1") = "8"
    & skf18("8","8","5","1","9","4","1") = "8"
    & skf18("8","8","5","1","9","5","1") = "8"
    & skf18("8","8","5","1","9","6","1") = "8"
    & skf18("8","8","5","1","9","7","1") = "8"
    & skf18("8","8","5","1","9","8","1") = "8"
    & skf18("8","8","5","1","9","9","1") = "8"
    & skf18("8","8","5","1","9","10","1") = "9"
    & skf18("8","8","5","1","10","1","1") = "9"
    & skf18("8","8","5","1","10","2","1") = "9"
    & skf18("8","8","5","1","10","3","1") = "9"
    & skf18("8","8","5","1","10","4","1") = "9"
    & skf18("8","8","5","1","10","5","1") = "9"
    & skf18("8","8","5","1","10","6","1") = "9"
    & skf18("8","8","5","1","10","7","1") = "9"
    & skf18("8","8","5","1","10","8","1") = "9"
    & skf18("8","8","5","1","10","9","1") = "9"
    & skf18("8","8","5","1","10","10","1") = "9"
    & skf18("8","8","5","2","1","1","1") = "7"
    & skf18("8","8","5","2","1","2","1") = "7"
    & skf18("8","8","5","2","1","3","1") = "7"
    & skf18("8","8","5","2","1","4","1") = "7"
    & skf18("8","8","5","2","1","5","1") = "7"
    & skf18("8","8","5","2","1","6","1") = "7"
    & skf18("8","8","5","2","1","7","1") = "7"
    & skf18("8","8","5","2","1","8","1") = "7"
    & skf18("8","8","5","2","1","9","1") = "8"
    & skf18("8","8","5","2","1","10","1") = "9"
    & skf18("8","8","5","2","2","1","1") = "7"
    & skf18("8","8","5","2","2","2","1") = "7"
    & skf18("8","8","5","2","2","3","1") = "7"
    & skf18("8","8","5","2","2","4","1") = "7"
    & skf18("8","8","5","2","2","5","1") = "7"
    & skf18("8","8","5","2","2","6","1") = "7"
    & skf18("8","8","5","2","2","7","1") = "7"
    & skf18("8","8","5","2","2","8","1") = "7"
    & skf18("8","8","5","2","2","9","1") = "8"
    & skf18("8","8","5","2","2","10","1") = "9"
    & skf18("8","8","5","2","3","1","1") = "7"
    & skf18("8","8","5","2","3","2","1") = "7"
    & skf18("8","8","5","2","3","3","1") = "7"
    & skf18("8","8","5","2","3","4","1") = "7"
    & skf18("8","8","5","2","3","5","1") = "7"
    & skf18("8","8","5","2","3","6","1") = "7"
    & skf18("8","8","5","2","3","7","1") = "7"
    & skf18("8","8","5","2","3","8","1") = "7"
    & skf18("8","8","5","2","3","9","1") = "8"
    & skf18("8","8","5","2","3","10","1") = "9"
    & skf18("8","8","5","2","4","1","1") = "7"
    & skf18("8","8","5","2","4","2","1") = "7"
    & skf18("8","8","5","2","4","3","1") = "7"
    & skf18("8","8","5","2","4","4","1") = "7"
    & skf18("8","8","5","2","4","5","1") = "7"
    & skf18("8","8","5","2","4","6","1") = "7"
    & skf18("8","8","5","2","4","7","1") = "7"
    & skf18("8","8","5","2","4","8","1") = "7"
    & skf18("8","8","5","2","4","9","1") = "8"
    & skf18("8","8","5","2","4","10","1") = "9"
    & skf18("8","8","5","2","5","1","1") = "7"
    & skf18("8","8","5","2","5","2","1") = "7"
    & skf18("8","8","5","2","5","3","1") = "7"
    & skf18("8","8","5","2","5","4","1") = "7"
    & skf18("8","8","5","2","5","5","1") = "7"
    & skf18("8","8","5","2","5","6","1") = "7"
    & skf18("8","8","5","2","5","7","1") = "7"
    & skf18("8","8","5","2","5","8","1") = "7"
    & skf18("8","8","5","2","5","9","1") = "8"
    & skf18("8","8","5","2","5","10","1") = "9"
    & skf18("8","8","5","2","6","1","1") = "7"
    & skf18("8","8","5","2","6","2","1") = "7"
    & skf18("8","8","5","2","6","3","1") = "7"
    & skf18("8","8","5","2","6","4","1") = "7"
    & skf18("8","8","5","2","6","5","1") = "7"
    & skf18("8","8","5","2","6","6","1") = "7"
    & skf18("8","8","5","2","6","7","1") = "7"
    & skf18("8","8","5","2","6","8","1") = "7"
    & skf18("8","8","5","2","6","9","1") = "8"
    & skf18("8","8","5","2","6","10","1") = "9"
    & skf18("8","8","5","2","7","1","1") = "7"
    & skf18("8","8","5","2","7","2","1") = "7"
    & skf18("8","8","5","2","7","3","1") = "7"
    & skf18("8","8","5","2","7","4","1") = "7"
    & skf18("8","8","5","2","7","5","1") = "7"
    & skf18("8","8","5","2","7","6","1") = "7"
    & skf18("8","8","5","2","7","7","1") = "7"
    & skf18("8","8","5","2","7","8","1") = "7"
    & skf18("8","8","5","2","7","9","1") = "8"
    & skf18("8","8","5","2","7","10","1") = "9"
    & skf18("8","8","5","2","8","1","1") = "7"
    & skf18("8","8","5","2","8","2","1") = "7"
    & skf18("8","8","5","2","8","3","1") = "7"
    & skf18("8","8","5","2","8","4","1") = "7"
    & skf18("8","8","5","2","8","5","1") = "7"
    & skf18("8","8","5","2","8","6","1") = "7"
    & skf18("8","8","5","2","8","7","1") = "7"
    & skf18("8","8","5","2","8","8","1") = "7"
    & skf18("8","8","5","2","8","9","1") = "8"
    & skf18("8","8","5","2","8","10","1") = "9"
    & skf18("8","8","5","2","9","1","1") = "8"
    & skf18("8","8","5","2","9","2","1") = "8"
    & skf18("8","8","5","2","9","3","1") = "8"
    & skf18("8","8","5","2","9","4","1") = "8"
    & skf18("8","8","5","2","9","5","1") = "8"
    & skf18("8","8","5","2","9","6","1") = "8"
    & skf18("8","8","5","2","9","7","1") = "8"
    & skf18("8","8","5","2","9","8","1") = "8"
    & skf18("8","8","5","2","9","9","1") = "8"
    & skf18("8","8","5","2","9","10","1") = "9"
    & skf18("8","8","5","2","10","1","1") = "9"
    & skf18("8","8","5","2","10","2","1") = "9"
    & skf18("8","8","5","2","10","3","1") = "9"
    & skf18("8","8","5","2","10","4","1") = "9"
    & skf18("8","8","5","2","10","5","1") = "9"
    & skf18("8","8","5","2","10","6","1") = "9"
    & skf18("8","8","5","2","10","7","1") = "9"
    & skf18("8","8","5","2","10","8","1") = "9"
    & skf18("8","8","5","2","10","9","1") = "9"
    & skf18("8","8","5","2","10","10","1") = "9"
    & skf18("8","8","5","3","1","1","1") = "7"
    & skf18("8","8","5","3","1","2","1") = "7"
    & skf18("8","8","5","3","1","3","1") = "7"
    & skf18("8","8","5","3","1","4","1") = "7"
    & skf18("8","8","5","3","1","5","1") = "7"
    & skf18("8","8","5","3","1","6","1") = "7"
    & skf18("8","8","5","3","1","7","1") = "7"
    & skf18("8","8","5","3","1","8","1") = "7"
    & skf18("8","8","5","3","1","9","1") = "8"
    & skf18("8","8","5","3","1","10","1") = "9"
    & skf18("8","8","5","3","2","1","1") = "7"
    & skf18("8","8","5","3","2","2","1") = "7"
    & skf18("8","8","5","3","2","3","1") = "7"
    & skf18("8","8","5","3","2","4","1") = "7"
    & skf18("8","8","5","3","2","5","1") = "7"
    & skf18("8","8","5","3","2","6","1") = "7"
    & skf18("8","8","5","3","2","7","1") = "7"
    & skf18("8","8","5","3","2","8","1") = "7"
    & skf18("8","8","5","3","2","9","1") = "8"
    & skf18("8","8","5","3","2","10","1") = "9"
    & skf18("8","8","5","3","3","1","1") = "7"
    & skf18("8","8","5","3","3","2","1") = "7"
    & skf18("8","8","5","3","3","3","1") = "7"
    & skf18("8","8","5","3","3","4","1") = "7"
    & skf18("8","8","5","3","3","5","1") = "7"
    & skf18("8","8","5","3","3","6","1") = "7"
    & skf18("8","8","5","3","3","7","1") = "7"
    & skf18("8","8","5","3","3","8","1") = "7"
    & skf18("8","8","5","3","3","9","1") = "8"
    & skf18("8","8","5","3","3","10","1") = "9"
    & skf18("8","8","5","3","4","1","1") = "7"
    & skf18("8","8","5","3","4","2","1") = "7"
    & skf18("8","8","5","3","4","3","1") = "7"
    & skf18("8","8","5","3","4","4","1") = "7"
    & skf18("8","8","5","3","4","5","1") = "7"
    & skf18("8","8","5","3","4","6","1") = "7"
    & skf18("8","8","5","3","4","7","1") = "7"
    & skf18("8","8","5","3","4","8","1") = "7"
    & skf18("8","8","5","3","4","9","1") = "8"
    & skf18("8","8","5","3","4","10","1") = "9"
    & skf18("8","8","5","3","5","1","1") = "7"
    & skf18("8","8","5","3","5","2","1") = "7"
    & skf18("8","8","5","3","5","3","1") = "7"
    & skf18("8","8","5","3","5","4","1") = "7"
    & skf18("8","8","5","3","5","5","1") = "7"
    & skf18("8","8","5","3","5","6","1") = "7"
    & skf18("8","8","5","3","5","7","1") = "7"
    & skf18("8","8","5","3","5","8","1") = "7"
    & skf18("8","8","5","3","5","9","1") = "8"
    & skf18("8","8","5","3","5","10","1") = "9"
    & skf18("8","8","5","3","6","1","1") = "7"
    & skf18("8","8","5","3","6","2","1") = "7"
    & skf18("8","8","5","3","6","3","1") = "7"
    & skf18("8","8","5","3","6","4","1") = "7"
    & skf18("8","8","5","3","6","5","1") = "7"
    & skf18("8","8","5","3","6","6","1") = "7"
    & skf18("8","8","5","3","6","7","1") = "7"
    & skf18("8","8","5","3","6","8","1") = "7"
    & skf18("8","8","5","3","6","9","1") = "8"
    & skf18("8","8","5","3","6","10","1") = "9"
    & skf18("8","8","5","3","7","1","1") = "7"
    & skf18("8","8","5","3","7","2","1") = "7"
    & skf18("8","8","5","3","7","3","1") = "7"
    & skf18("8","8","5","3","7","4","1") = "7"
    & skf18("8","8","5","3","7","5","1") = "7"
    & skf18("8","8","5","3","7","6","1") = "7"
    & skf18("8","8","5","3","7","7","1") = "7"
    & skf18("8","8","5","3","7","8","1") = "7"
    & skf18("8","8","5","3","7","9","1") = "8"
    & skf18("8","8","5","3","7","10","1") = "9"
    & skf18("8","8","5","3","8","1","1") = "7"
    & skf18("8","8","5","3","8","2","1") = "7"
    & skf18("8","8","5","3","8","3","1") = "7"
    & skf18("8","8","5","3","8","4","1") = "7"
    & skf18("8","8","5","3","8","5","1") = "7"
    & skf18("8","8","5","3","8","6","1") = "7"
    & skf18("8","8","5","3","8","7","1") = "7"
    & skf18("8","8","5","3","8","8","1") = "7"
    & skf18("8","8","5","3","8","9","1") = "8"
    & skf18("8","8","5","3","8","10","1") = "9"
    & skf18("8","8","5","3","9","1","1") = "8"
    & skf18("8","8","5","3","9","2","1") = "8"
    & skf18("8","8","5","3","9","3","1") = "8"
    & skf18("8","8","5","3","9","4","1") = "8"
    & skf18("8","8","5","3","9","5","1") = "8"
    & skf18("8","8","5","3","9","6","1") = "8"
    & skf18("8","8","5","3","9","7","1") = "8"
    & skf18("8","8","5","3","9","8","1") = "8"
    & skf18("8","8","5","3","9","9","1") = "8"
    & skf18("8","8","5","3","9","10","1") = "9"
    & skf18("8","8","5","3","10","1","1") = "9"
    & skf18("8","8","5","3","10","2","1") = "9"
    & skf18("8","8","5","3","10","3","1") = "9"
    & skf18("8","8","5","3","10","4","1") = "9"
    & skf18("8","8","5","3","10","5","1") = "9"
    & skf18("8","8","5","3","10","6","1") = "9"
    & skf18("8","8","5","3","10","7","1") = "9"
    & skf18("8","8","5","3","10","8","1") = "9"
    & skf18("8","8","5","3","10","9","1") = "9"
    & skf18("8","8","5","3","10","10","1") = "9"
    & skf18("8","8","5","4","1","1","1") = "7"
    & skf18("8","8","5","4","1","2","1") = "7"
    & skf18("8","8","5","4","1","3","1") = "7"
    & skf18("8","8","5","4","1","4","1") = "7"
    & skf18("8","8","5","4","1","5","1") = "7"
    & skf18("8","8","5","4","1","6","1") = "7"
    & skf18("8","8","5","4","1","7","1") = "7"
    & skf18("8","8","5","4","1","8","1") = "7"
    & skf18("8","8","5","4","1","9","1") = "8"
    & skf18("8","8","5","4","1","10","1") = "9"
    & skf18("8","8","5","4","2","1","1") = "7"
    & skf18("8","8","5","4","2","2","1") = "7"
    & skf18("8","8","5","4","2","3","1") = "7"
    & skf18("8","8","5","4","2","4","1") = "7"
    & skf18("8","8","5","4","2","5","1") = "7"
    & skf18("8","8","5","4","2","6","1") = "7"
    & skf18("8","8","5","4","2","7","1") = "7"
    & skf18("8","8","5","4","2","8","1") = "7"
    & skf18("8","8","5","4","2","9","1") = "8"
    & skf18("8","8","5","4","2","10","1") = "9"
    & skf18("8","8","5","4","3","1","1") = "7"
    & skf18("8","8","5","4","3","2","1") = "7"
    & skf18("8","8","5","4","3","3","1") = "7"
    & skf18("8","8","5","4","3","4","1") = "7"
    & skf18("8","8","5","4","3","5","1") = "7"
    & skf18("8","8","5","4","3","6","1") = "7"
    & skf18("8","8","5","4","3","7","1") = "7"
    & skf18("8","8","5","4","3","8","1") = "7"
    & skf18("8","8","5","4","3","9","1") = "8"
    & skf18("8","8","5","4","3","10","1") = "9"
    & skf18("8","8","5","4","4","1","1") = "7"
    & skf18("8","8","5","4","4","2","1") = "7"
    & skf18("8","8","5","4","4","3","1") = "7"
    & skf18("8","8","5","4","4","4","1") = "7"
    & skf18("8","8","5","4","4","5","1") = "7"
    & skf18("8","8","5","4","4","6","1") = "7"
    & skf18("8","8","5","4","4","7","1") = "7"
    & skf18("8","8","5","4","4","8","1") = "7"
    & skf18("8","8","5","4","4","9","1") = "8"
    & skf18("8","8","5","4","4","10","1") = "9"
    & skf18("8","8","5","4","5","1","1") = "7"
    & skf18("8","8","5","4","5","2","1") = "7"
    & skf18("8","8","5","4","5","3","1") = "7"
    & skf18("8","8","5","4","5","4","1") = "7"
    & skf18("8","8","5","4","5","5","1") = "7"
    & skf18("8","8","5","4","5","6","1") = "7"
    & skf18("8","8","5","4","5","7","1") = "7"
    & skf18("8","8","5","4","5","8","1") = "7"
    & skf18("8","8","5","4","5","9","1") = "8"
    & skf18("8","8","5","4","5","10","1") = "9"
    & skf18("8","8","5","4","6","1","1") = "7"
    & skf18("8","8","5","4","6","2","1") = "7"
    & skf18("8","8","5","4","6","3","1") = "7"
    & skf18("8","8","5","4","6","4","1") = "7"
    & skf18("8","8","5","4","6","5","1") = "7"
    & skf18("8","8","5","4","6","6","1") = "7"
    & skf18("8","8","5","4","6","7","1") = "7"
    & skf18("8","8","5","4","6","8","1") = "7"
    & skf18("8","8","5","4","6","9","1") = "8"
    & skf18("8","8","5","4","6","10","1") = "9"
    & skf18("8","8","5","4","7","1","1") = "7"
    & skf18("8","8","5","4","7","2","1") = "7"
    & skf18("8","8","5","4","7","3","1") = "7"
    & skf18("8","8","5","4","7","4","1") = "7"
    & skf18("8","8","5","4","7","5","1") = "7"
    & skf18("8","8","5","4","7","6","1") = "7"
    & skf18("8","8","5","4","7","7","1") = "7"
    & skf18("8","8","5","4","7","8","1") = "7"
    & skf18("8","8","5","4","7","9","1") = "8"
    & skf18("8","8","5","4","7","10","1") = "9"
    & skf18("8","8","5","4","8","1","1") = "7"
    & skf18("8","8","5","4","8","2","1") = "7"
    & skf18("8","8","5","4","8","3","1") = "7"
    & skf18("8","8","5","4","8","4","1") = "7"
    & skf18("8","8","5","4","8","5","1") = "7"
    & skf18("8","8","5","4","8","6","1") = "7"
    & skf18("8","8","5","4","8","7","1") = "7"
    & skf18("8","8","5","4","8","8","1") = "7"
    & skf18("8","8","5","4","8","9","1") = "8"
    & skf18("8","8","5","4","8","10","1") = "9"
    & skf18("8","8","5","4","9","1","1") = "8"
    & skf18("8","8","5","4","9","2","1") = "8"
    & skf18("8","8","5","4","9","3","1") = "8"
    & skf18("8","8","5","4","9","4","1") = "8"
    & skf18("8","8","5","4","9","5","1") = "8"
    & skf18("8","8","5","4","9","6","1") = "8"
    & skf18("8","8","5","4","9","7","1") = "8"
    & skf18("8","8","5","4","9","8","1") = "8"
    & skf18("8","8","5","4","9","9","1") = "8"
    & skf18("8","8","5","4","9","10","1") = "9"
    & skf18("8","8","5","4","10","1","1") = "9"
    & skf18("8","8","5","4","10","2","1") = "9"
    & skf18("8","8","5","4","10","3","1") = "9"
    & skf18("8","8","5","4","10","4","1") = "9"
    & skf18("8","8","5","4","10","5","1") = "9"
    & skf18("8","8","5","4","10","6","1") = "9"
    & skf18("8","8","5","4","10","7","1") = "9"
    & skf18("8","8","5","4","10","8","1") = "9"
    & skf18("8","8","5","4","10","9","1") = "9"
    & skf18("8","8","5","4","10","10","1") = "9"
    & skf18("8","8","5","5","1","1","1") = "7"
    & skf18("8","8","5","5","1","2","1") = "7"
    & skf18("8","8","5","5","1","3","1") = "7"
    & skf18("8","8","5","5","1","4","1") = "7"
    & skf18("8","8","5","5","1","5","1") = "7"
    & skf18("8","8","5","5","1","6","1") = "7"
    & skf18("8","8","5","5","1","7","1") = "7"
    & skf18("8","8","5","5","1","8","1") = "7"
    & skf18("8","8","5","5","1","9","1") = "8"
    & skf18("8","8","5","5","1","10","1") = "9"
    & skf18("8","8","5","5","2","1","1") = "7"
    & skf18("8","8","5","5","2","2","1") = "7"
    & skf18("8","8","5","5","2","3","1") = "7"
    & skf18("8","8","5","5","2","4","1") = "7"
    & skf18("8","8","5","5","2","5","1") = "7"
    & skf18("8","8","5","5","2","6","1") = "7"
    & skf18("8","8","5","5","2","7","1") = "7"
    & skf18("8","8","5","5","2","8","1") = "7"
    & skf18("8","8","5","5","2","9","1") = "8"
    & skf18("8","8","5","5","2","10","1") = "9"
    & skf18("8","8","5","5","3","1","1") = "7"
    & skf18("8","8","5","5","3","2","1") = "7"
    & skf18("8","8","5","5","3","3","1") = "7"
    & skf18("8","8","5","5","3","4","1") = "7"
    & skf18("8","8","5","5","3","5","1") = "7"
    & skf18("8","8","5","5","3","6","1") = "7"
    & skf18("8","8","5","5","3","7","1") = "7"
    & skf18("8","8","5","5","3","8","1") = "7"
    & skf18("8","8","5","5","3","9","1") = "8"
    & skf18("8","8","5","5","3","10","1") = "9"
    & skf18("8","8","5","5","4","1","1") = "7"
    & skf18("8","8","5","5","4","2","1") = "7"
    & skf18("8","8","5","5","4","3","1") = "7"
    & skf18("8","8","5","5","4","4","1") = "7"
    & skf18("8","8","5","5","4","5","1") = "7"
    & skf18("8","8","5","5","4","6","1") = "7"
    & skf18("8","8","5","5","4","7","1") = "7"
    & skf18("8","8","5","5","4","8","1") = "7"
    & skf18("8","8","5","5","4","9","1") = "8"
    & skf18("8","8","5","5","4","10","1") = "9"
    & skf18("8","8","5","5","5","1","1") = "7"
    & skf18("8","8","5","5","5","2","1") = "7"
    & skf18("8","8","5","5","5","3","1") = "7"
    & skf18("8","8","5","5","5","4","1") = "7"
    & skf18("8","8","5","5","5","5","1") = "7"
    & skf18("8","8","5","5","5","6","1") = "7"
    & skf18("8","8","5","5","5","7","1") = "7"
    & skf18("8","8","5","5","5","8","1") = "7"
    & skf18("8","8","5","5","5","9","1") = "8"
    & skf18("8","8","5","5","5","10","1") = "9"
    & skf18("8","8","5","5","6","1","1") = "7"
    & skf18("8","8","5","5","6","2","1") = "7"
    & skf18("8","8","5","5","6","3","1") = "7"
    & skf18("8","8","5","5","6","4","1") = "7"
    & skf18("8","8","5","5","6","5","1") = "7"
    & skf18("8","8","5","5","6","6","1") = "7"
    & skf18("8","8","5","5","6","7","1") = "7"
    & skf18("8","8","5","5","6","8","1") = "7"
    & skf18("8","8","5","5","6","9","1") = "8"
    & skf18("8","8","5","5","6","10","1") = "9"
    & skf18("8","8","5","5","7","1","1") = "7"
    & skf18("8","8","5","5","7","2","1") = "7"
    & skf18("8","8","5","5","7","3","1") = "7"
    & skf18("8","8","5","5","7","4","1") = "7"
    & skf18("8","8","5","5","7","5","1") = "7"
    & skf18("8","8","5","5","7","6","1") = "7"
    & skf18("8","8","5","5","7","7","1") = "7"
    & skf18("8","8","5","5","7","8","1") = "7"
    & skf18("8","8","5","5","7","9","1") = "8"
    & skf18("8","8","5","5","7","10","1") = "9"
    & skf18("8","8","5","5","8","1","1") = "7"
    & skf18("8","8","5","5","8","2","1") = "7"
    & skf18("8","8","5","5","8","3","1") = "7"
    & skf18("8","8","5","5","8","4","1") = "7"
    & skf18("8","8","5","5","8","5","1") = "7"
    & skf18("8","8","5","5","8","6","1") = "7"
    & skf18("8","8","5","5","8","7","1") = "7"
    & skf18("8","8","5","5","8","8","1") = "7"
    & skf18("8","8","5","5","8","9","1") = "8"
    & skf18("8","8","5","5","8","10","1") = "9"
    & skf18("8","8","5","5","9","1","1") = "8"
    & skf18("8","8","5","5","9","2","1") = "8"
    & skf18("8","8","5","5","9","3","1") = "8"
    & skf18("8","8","5","5","9","4","1") = "8"
    & skf18("8","8","5","5","9","5","1") = "8"
    & skf18("8","8","5","5","9","6","1") = "8"
    & skf18("8","8","5","5","9","7","1") = "8"
    & skf18("8","8","5","5","9","8","1") = "8"
    & skf18("8","8","5","5","9","9","1") = "8"
    & skf18("8","8","5","5","9","10","1") = "9"
    & skf18("8","8","5","5","10","1","1") = "9"
    & skf18("8","8","5","5","10","2","1") = "9"
    & skf18("8","8","5","5","10","3","1") = "9"
    & skf18("8","8","5","5","10","4","1") = "9"
    & skf18("8","8","5","5","10","5","1") = "9"
    & skf18("8","8","5","5","10","6","1") = "9"
    & skf18("8","8","5","5","10","7","1") = "9"
    & skf18("8","8","5","5","10","8","1") = "9"
    & skf18("8","8","5","5","10","9","1") = "9"
    & skf18("8","8","5","5","10","10","1") = "9"
    & skf18("8","8","5","6","1","1","1") = "7"
    & skf18("8","8","5","6","1","2","1") = "7"
    & skf18("8","8","5","6","1","3","1") = "7"
    & skf18("8","8","5","6","1","4","1") = "7"
    & skf18("8","8","5","6","1","5","1") = "7"
    & skf18("8","8","5","6","1","6","1") = "7"
    & skf18("8","8","5","6","1","7","1") = "7"
    & skf18("8","8","5","6","1","8","1") = "7"
    & skf18("8","8","5","6","1","9","1") = "8"
    & skf18("8","8","5","6","1","10","1") = "9"
    & skf18("8","8","5","6","2","1","1") = "7"
    & skf18("8","8","5","6","2","2","1") = "7"
    & skf18("8","8","5","6","2","3","1") = "7"
    & skf18("8","8","5","6","2","4","1") = "7"
    & skf18("8","8","5","6","2","5","1") = "7"
    & skf18("8","8","5","6","2","6","1") = "7"
    & skf18("8","8","5","6","2","7","1") = "7"
    & skf18("8","8","5","6","2","8","1") = "7"
    & skf18("8","8","5","6","2","9","1") = "8"
    & skf18("8","8","5","6","2","10","1") = "9"
    & skf18("8","8","5","6","3","1","1") = "7"
    & skf18("8","8","5","6","3","2","1") = "7"
    & skf18("8","8","5","6","3","3","1") = "7"
    & skf18("8","8","5","6","3","4","1") = "7"
    & skf18("8","8","5","6","3","5","1") = "7"
    & skf18("8","8","5","6","3","6","1") = "7"
    & skf18("8","8","5","6","3","7","1") = "7"
    & skf18("8","8","5","6","3","8","1") = "7"
    & skf18("8","8","5","6","3","9","1") = "8"
    & skf18("8","8","5","6","3","10","1") = "9"
    & skf18("8","8","5","6","4","1","1") = "7"
    & skf18("8","8","5","6","4","2","1") = "7"
    & skf18("8","8","5","6","4","3","1") = "7"
    & skf18("8","8","5","6","4","4","1") = "7"
    & skf18("8","8","5","6","4","5","1") = "7"
    & skf18("8","8","5","6","4","6","1") = "7"
    & skf18("8","8","5","6","4","7","1") = "7"
    & skf18("8","8","5","6","4","8","1") = "7"
    & skf18("8","8","5","6","4","9","1") = "8"
    & skf18("8","8","5","6","4","10","1") = "9"
    & skf18("8","8","5","6","5","1","1") = "7"
    & skf18("8","8","5","6","5","2","1") = "7"
    & skf18("8","8","5","6","5","3","1") = "7"
    & skf18("8","8","5","6","5","4","1") = "7"
    & skf18("8","8","5","6","5","5","1") = "7"
    & skf18("8","8","5","6","5","6","1") = "7"
    & skf18("8","8","5","6","5","7","1") = "7"
    & skf18("8","8","5","6","5","8","1") = "7"
    & skf18("8","8","5","6","5","9","1") = "8"
    & skf18("8","8","5","6","5","10","1") = "9"
    & skf18("8","8","5","6","6","1","1") = "7"
    & skf18("8","8","5","6","6","2","1") = "7"
    & skf18("8","8","5","6","6","3","1") = "7"
    & skf18("8","8","5","6","6","4","1") = "7"
    & skf18("8","8","5","6","6","5","1") = "7"
    & skf18("8","8","5","6","6","6","1") = "7"
    & skf18("8","8","5","6","6","7","1") = "7"
    & skf18("8","8","5","6","6","8","1") = "7"
    & skf18("8","8","5","6","6","9","1") = "8"
    & skf18("8","8","5","6","6","10","1") = "9"
    & skf18("8","8","5","6","7","1","1") = "7"
    & skf18("8","8","5","6","7","2","1") = "7"
    & skf18("8","8","5","6","7","3","1") = "7"
    & skf18("8","8","5","6","7","4","1") = "7"
    & skf18("8","8","5","6","7","5","1") = "7"
    & skf18("8","8","5","6","7","6","1") = "7"
    & skf18("8","8","5","6","7","7","1") = "7"
    & skf18("8","8","5","6","7","8","1") = "7"
    & skf18("8","8","5","6","7","9","1") = "8"
    & skf18("8","8","5","6","7","10","1") = "9"
    & skf18("8","8","5","6","8","1","1") = "7"
    & skf18("8","8","5","6","8","2","1") = "7"
    & skf18("8","8","5","6","8","3","1") = "7"
    & skf18("8","8","5","6","8","4","1") = "7"
    & skf18("8","8","5","6","8","5","1") = "7"
    & skf18("8","8","5","6","8","6","1") = "7"
    & skf18("8","8","5","6","8","7","1") = "7"
    & skf18("8","8","5","6","8","8","1") = "7"
    & skf18("8","8","5","6","8","9","1") = "8"
    & skf18("8","8","5","6","8","10","1") = "9"
    & skf18("8","8","5","6","9","1","1") = "8"
    & skf18("8","8","5","6","9","2","1") = "8"
    & skf18("8","8","5","6","9","3","1") = "8"
    & skf18("8","8","5","6","9","4","1") = "8"
    & skf18("8","8","5","6","9","5","1") = "8"
    & skf18("8","8","5","6","9","6","1") = "8"
    & skf18("8","8","5","6","9","7","1") = "8"
    & skf18("8","8","5","6","9","8","1") = "8"
    & skf18("8","8","5","6","9","9","1") = "8"
    & skf18("8","8","5","6","9","10","1") = "9"
    & skf18("8","8","5","6","10","1","1") = "9"
    & skf18("8","8","5","6","10","2","1") = "9"
    & skf18("8","8","5","6","10","3","1") = "9"
    & skf18("8","8","5","6","10","4","1") = "9"
    & skf18("8","8","5","6","10","5","1") = "9"
    & skf18("8","8","5","6","10","6","1") = "9"
    & skf18("8","8","5","6","10","7","1") = "9"
    & skf18("8","8","5","6","10","8","1") = "9"
    & skf18("8","8","5","6","10","9","1") = "9"
    & skf18("8","8","5","6","10","10","1") = "9"
    & skf18("8","8","5","7","1","1","1") = "7"
    & skf18("8","8","5","7","1","2","1") = "7"
    & skf18("8","8","5","7","1","3","1") = "7"
    & skf18("8","8","5","7","1","4","1") = "7"
    & skf18("8","8","5","7","1","5","1") = "7"
    & skf18("8","8","5","7","1","6","1") = "7"
    & skf18("8","8","5","7","1","7","1") = "7"
    & skf18("8","8","5","7","1","8","1") = "7"
    & skf18("8","8","5","7","1","9","1") = "8"
    & skf18("8","8","5","7","1","10","1") = "9"
    & skf18("8","8","5","7","2","1","1") = "7"
    & skf18("8","8","5","7","2","2","1") = "7"
    & skf18("8","8","5","7","2","3","1") = "7"
    & skf18("8","8","5","7","2","4","1") = "7"
    & skf18("8","8","5","7","2","5","1") = "7"
    & skf18("8","8","5","7","2","6","1") = "7"
    & skf18("8","8","5","7","2","7","1") = "7"
    & skf18("8","8","5","7","2","8","1") = "7"
    & skf18("8","8","5","7","2","9","1") = "8"
    & skf18("8","8","5","7","2","10","1") = "9"
    & skf18("8","8","5","7","3","1","1") = "7"
    & skf18("8","8","5","7","3","2","1") = "7"
    & skf18("8","8","5","7","3","3","1") = "7"
    & skf18("8","8","5","7","3","4","1") = "7"
    & skf18("8","8","5","7","3","5","1") = "7"
    & skf18("8","8","5","7","3","6","1") = "7"
    & skf18("8","8","5","7","3","7","1") = "7"
    & skf18("8","8","5","7","3","8","1") = "7"
    & skf18("8","8","5","7","3","9","1") = "8"
    & skf18("8","8","5","7","3","10","1") = "9"
    & skf18("8","8","5","7","4","1","1") = "7"
    & skf18("8","8","5","7","4","2","1") = "7"
    & skf18("8","8","5","7","4","3","1") = "7"
    & skf18("8","8","5","7","4","4","1") = "7"
    & skf18("8","8","5","7","4","5","1") = "7"
    & skf18("8","8","5","7","4","6","1") = "7"
    & skf18("8","8","5","7","4","7","1") = "7"
    & skf18("8","8","5","7","4","8","1") = "7"
    & skf18("8","8","5","7","4","9","1") = "8"
    & skf18("8","8","5","7","4","10","1") = "9"
    & skf18("8","8","5","7","5","1","1") = "7"
    & skf18("8","8","5","7","5","2","1") = "7"
    & skf18("8","8","5","7","5","3","1") = "7"
    & skf18("8","8","5","7","5","4","1") = "7"
    & skf18("8","8","5","7","5","5","1") = "7"
    & skf18("8","8","5","7","5","6","1") = "7"
    & skf18("8","8","5","7","5","7","1") = "7"
    & skf18("8","8","5","7","5","8","1") = "7"
    & skf18("8","8","5","7","5","9","1") = "8"
    & skf18("8","8","5","7","5","10","1") = "9"
    & skf18("8","8","5","7","6","1","1") = "7"
    & skf18("8","8","5","7","6","2","1") = "7"
    & skf18("8","8","5","7","6","3","1") = "7"
    & skf18("8","8","5","7","6","4","1") = "7"
    & skf18("8","8","5","7","6","5","1") = "7"
    & skf18("8","8","5","7","6","6","1") = "7"
    & skf18("8","8","5","7","6","7","1") = "7"
    & skf18("8","8","5","7","6","8","1") = "7"
    & skf18("8","8","5","7","6","9","1") = "8"
    & skf18("8","8","5","7","6","10","1") = "9"
    & skf18("8","8","5","7","7","1","1") = "7"
    & skf18("8","8","5","7","7","2","1") = "7"
    & skf18("8","8","5","7","7","3","1") = "7"
    & skf18("8","8","5","7","7","4","1") = "7"
    & skf18("8","8","5","7","7","5","1") = "7"
    & skf18("8","8","5","7","7","6","1") = "7"
    & skf18("8","8","5","7","7","7","1") = "7"
    & skf18("8","8","5","7","7","8","1") = "7"
    & skf18("8","8","5","7","7","9","1") = "8"
    & skf18("8","8","5","7","7","10","1") = "9"
    & skf18("8","8","5","7","8","1","1") = "7"
    & skf18("8","8","5","7","8","2","1") = "7"
    & skf18("8","8","5","7","8","3","1") = "7"
    & skf18("8","8","5","7","8","4","1") = "7"
    & skf18("8","8","5","7","8","5","1") = "7"
    & skf18("8","8","5","7","8","6","1") = "7"
    & skf18("8","8","5","7","8","7","1") = "7"
    & skf18("8","8","5","7","8","8","1") = "7"
    & skf18("8","8","5","7","8","9","1") = "8"
    & skf18("8","8","5","7","8","10","1") = "9"
    & skf18("8","8","5","7","9","1","1") = "8"
    & skf18("8","8","5","7","9","2","1") = "8"
    & skf18("8","8","5","7","9","3","1") = "8"
    & skf18("8","8","5","7","9","4","1") = "8"
    & skf18("8","8","5","7","9","5","1") = "8"
    & skf18("8","8","5","7","9","6","1") = "8"
    & skf18("8","8","5","7","9","7","1") = "8"
    & skf18("8","8","5","7","9","8","1") = "8"
    & skf18("8","8","5","7","9","9","1") = "8"
    & skf18("8","8","5","7","9","10","1") = "9"
    & skf18("8","8","5","7","10","1","1") = "9"
    & skf18("8","8","5","7","10","2","1") = "9"
    & skf18("8","8","5","7","10","3","1") = "9"
    & skf18("8","8","5","7","10","4","1") = "9"
    & skf18("8","8","5","7","10","5","1") = "9"
    & skf18("8","8","5","7","10","6","1") = "9"
    & skf18("8","8","5","7","10","7","1") = "9"
    & skf18("8","8","5","7","10","8","1") = "9"
    & skf18("8","8","5","7","10","9","1") = "9"
    & skf18("8","8","5","7","10","10","1") = "9"
    & skf18("8","8","5","8","1","1","1") = "7"
    & skf18("8","8","5","8","1","2","1") = "7"
    & skf18("8","8","5","8","1","3","1") = "7"
    & skf18("8","8","5","8","1","4","1") = "7"
    & skf18("8","8","5","8","1","5","1") = "7"
    & skf18("8","8","5","8","1","6","1") = "7"
    & skf18("8","8","5","8","1","7","1") = "7"
    & skf18("8","8","5","8","1","8","1") = "7"
    & skf18("8","8","5","8","1","9","1") = "8"
    & skf18("8","8","5","8","1","10","1") = "9"
    & skf18("8","8","5","8","2","1","1") = "7"
    & skf18("8","8","5","8","2","2","1") = "7"
    & skf18("8","8","5","8","2","3","1") = "7"
    & skf18("8","8","5","8","2","4","1") = "7"
    & skf18("8","8","5","8","2","5","1") = "7"
    & skf18("8","8","5","8","2","6","1") = "7"
    & skf18("8","8","5","8","2","7","1") = "7"
    & skf18("8","8","5","8","2","8","1") = "7"
    & skf18("8","8","5","8","2","9","1") = "8"
    & skf18("8","8","5","8","2","10","1") = "9"
    & skf18("8","8","5","8","3","1","1") = "7"
    & skf18("8","8","5","8","3","2","1") = "7"
    & skf18("8","8","5","8","3","3","1") = "7"
    & skf18("8","8","5","8","3","4","1") = "7"
    & skf18("8","8","5","8","3","5","1") = "7"
    & skf18("8","8","5","8","3","6","1") = "7"
    & skf18("8","8","5","8","3","7","1") = "7"
    & skf18("8","8","5","8","3","8","1") = "7"
    & skf18("8","8","5","8","3","9","1") = "8"
    & skf18("8","8","5","8","3","10","1") = "9"
    & skf18("8","8","5","8","4","1","1") = "7"
    & skf18("8","8","5","8","4","2","1") = "7"
    & skf18("8","8","5","8","4","3","1") = "7"
    & skf18("8","8","5","8","4","4","1") = "7"
    & skf18("8","8","5","8","4","5","1") = "7"
    & skf18("8","8","5","8","4","6","1") = "7"
    & skf18("8","8","5","8","4","7","1") = "7"
    & skf18("8","8","5","8","4","8","1") = "7"
    & skf18("8","8","5","8","4","9","1") = "8"
    & skf18("8","8","5","8","4","10","1") = "9"
    & skf18("8","8","5","8","5","1","1") = "7"
    & skf18("8","8","5","8","5","2","1") = "7"
    & skf18("8","8","5","8","5","3","1") = "7"
    & skf18("8","8","5","8","5","4","1") = "7"
    & skf18("8","8","5","8","5","5","1") = "7"
    & skf18("8","8","5","8","5","6","1") = "7"
    & skf18("8","8","5","8","5","7","1") = "7"
    & skf18("8","8","5","8","5","8","1") = "7"
    & skf18("8","8","5","8","5","9","1") = "8"
    & skf18("8","8","5","8","5","10","1") = "9"
    & skf18("8","8","5","8","6","1","1") = "7"
    & skf18("8","8","5","8","6","2","1") = "7"
    & skf18("8","8","5","8","6","3","1") = "7"
    & skf18("8","8","5","8","6","4","1") = "7"
    & skf18("8","8","5","8","6","5","1") = "7"
    & skf18("8","8","5","8","6","6","1") = "7"
    & skf18("8","8","5","8","6","7","1") = "7"
    & skf18("8","8","5","8","6","8","1") = "7"
    & skf18("8","8","5","8","6","9","1") = "8"
    & skf18("8","8","5","8","6","10","1") = "9"
    & skf18("8","8","5","8","7","1","1") = "7"
    & skf18("8","8","5","8","7","2","1") = "7"
    & skf18("8","8","5","8","7","3","1") = "7"
    & skf18("8","8","5","8","7","4","1") = "7"
    & skf18("8","8","5","8","7","5","1") = "7"
    & skf18("8","8","5","8","7","6","1") = "7"
    & skf18("8","8","5","8","7","7","1") = "7"
    & skf18("8","8","5","8","7","8","1") = "7"
    & skf18("8","8","5","8","7","9","1") = "8"
    & skf18("8","8","5","8","7","10","1") = "9"
    & skf18("8","8","5","8","8","1","1") = "7"
    & skf18("8","8","5","8","8","2","1") = "7"
    & skf18("8","8","5","8","8","3","1") = "7"
    & skf18("8","8","5","8","8","4","1") = "7"
    & skf18("8","8","5","8","8","5","1") = "7"
    & skf18("8","8","5","8","8","6","1") = "7"
    & skf18("8","8","5","8","8","7","1") = "7"
    & skf18("8","8","5","8","8","8","1") = "7"
    & skf18("8","8","5","8","8","9","1") = "8"
    & skf18("8","8","5","8","8","10","1") = "9"
    & skf18("8","8","5","8","9","1","1") = "8"
    & skf18("8","8","5","8","9","2","1") = "8"
    & skf18("8","8","5","8","9","3","1") = "8"
    & skf18("8","8","5","8","9","4","1") = "8"
    & skf18("8","8","5","8","9","5","1") = "8"
    & skf18("8","8","5","8","9","6","1") = "8"
    & skf18("8","8","5","8","9","7","1") = "8"
    & skf18("8","8","5","8","9","8","1") = "8"
    & skf18("8","8","5","8","9","9","1") = "8"
    & skf18("8","8","5","8","9","10","1") = "9"
    & skf18("8","8","5","8","10","1","1") = "9"
    & skf18("8","8","5","8","10","2","1") = "9"
    & skf18("8","8","5","8","10","3","1") = "9"
    & skf18("8","8","5","8","10","4","1") = "9"
    & skf18("8","8","5","8","10","5","1") = "9"
    & skf18("8","8","5","8","10","6","1") = "9"
    & skf18("8","8","5","8","10","7","1") = "9"
    & skf18("8","8","5","8","10","8","1") = "9"
    & skf18("8","8","5","8","10","9","1") = "9"
    & skf18("8","8","5","8","10","10","1") = "9"
    & skf18("8","8","5","9","1","1","1") = "8"
    & skf18("8","8","5","9","1","2","1") = "8"
    & skf18("8","8","5","9","1","3","1") = "8"
    & skf18("8","8","5","9","1","4","1") = "8"
    & skf18("8","8","5","9","1","5","1") = "8"
    & skf18("8","8","5","9","1","6","1") = "8"
    & skf18("8","8","5","9","1","7","1") = "8"
    & skf18("8","8","5","9","1","8","1") = "8"
    & skf18("8","8","5","9","1","9","1") = "8"
    & skf18("8","8","5","9","1","10","1") = "9"
    & skf18("8","8","5","9","2","1","1") = "8"
    & skf18("8","8","5","9","2","2","1") = "8"
    & skf18("8","8","5","9","2","3","1") = "8"
    & skf18("8","8","5","9","2","4","1") = "8"
    & skf18("8","8","5","9","2","5","1") = "8"
    & skf18("8","8","5","9","2","6","1") = "8"
    & skf18("8","8","5","9","2","7","1") = "8"
    & skf18("8","8","5","9","2","8","1") = "8"
    & skf18("8","8","5","9","2","9","1") = "8"
    & skf18("8","8","5","9","2","10","1") = "9"
    & skf18("8","8","5","9","3","1","1") = "8"
    & skf18("8","8","5","9","3","2","1") = "8"
    & skf18("8","8","5","9","3","3","1") = "8"
    & skf18("8","8","5","9","3","4","1") = "8"
    & skf18("8","8","5","9","3","5","1") = "8"
    & skf18("8","8","5","9","3","6","1") = "8"
    & skf18("8","8","5","9","3","7","1") = "8"
    & skf18("8","8","5","9","3","8","1") = "8"
    & skf18("8","8","5","9","3","9","1") = "8"
    & skf18("8","8","5","9","3","10","1") = "9"
    & skf18("8","8","5","9","4","1","1") = "8"
    & skf18("8","8","5","9","4","2","1") = "8"
    & skf18("8","8","5","9","4","3","1") = "8"
    & skf18("8","8","5","9","4","4","1") = "8"
    & skf18("8","8","5","9","4","5","1") = "8"
    & skf18("8","8","5","9","4","6","1") = "8"
    & skf18("8","8","5","9","4","7","1") = "8"
    & skf18("8","8","5","9","4","8","1") = "8"
    & skf18("8","8","5","9","4","9","1") = "8"
    & skf18("8","8","5","9","4","10","1") = "9"
    & skf18("8","8","5","9","5","1","1") = "8"
    & skf18("8","8","5","9","5","2","1") = "8"
    & skf18("8","8","5","9","5","3","1") = "8"
    & skf18("8","8","5","9","5","4","1") = "8"
    & skf18("8","8","5","9","5","5","1") = "8"
    & skf18("8","8","5","9","5","6","1") = "8"
    & skf18("8","8","5","9","5","7","1") = "8"
    & skf18("8","8","5","9","5","8","1") = "8"
    & skf18("8","8","5","9","5","9","1") = "8"
    & skf18("8","8","5","9","5","10","1") = "9"
    & skf18("8","8","5","9","6","1","1") = "8"
    & skf18("8","8","5","9","6","2","1") = "8"
    & skf18("8","8","5","9","6","3","1") = "8"
    & skf18("8","8","5","9","6","4","1") = "8"
    & skf18("8","8","5","9","6","5","1") = "8"
    & skf18("8","8","5","9","6","6","1") = "8"
    & skf18("8","8","5","9","6","7","1") = "8"
    & skf18("8","8","5","9","6","8","1") = "8"
    & skf18("8","8","5","9","6","9","1") = "8"
    & skf18("8","8","5","9","6","10","1") = "9"
    & skf18("8","8","5","9","7","1","1") = "8"
    & skf18("8","8","5","9","7","2","1") = "8"
    & skf18("8","8","5","9","7","3","1") = "8"
    & skf18("8","8","5","9","7","4","1") = "8"
    & skf18("8","8","5","9","7","5","1") = "8"
    & skf18("8","8","5","9","7","6","1") = "8"
    & skf18("8","8","5","9","7","7","1") = "8"
    & skf18("8","8","5","9","7","8","1") = "8"
    & skf18("8","8","5","9","7","9","1") = "8"
    & skf18("8","8","5","9","7","10","1") = "9"
    & skf18("8","8","5","9","8","1","1") = "8"
    & skf18("8","8","5","9","8","2","1") = "8"
    & skf18("8","8","5","9","8","3","1") = "8"
    & skf18("8","8","5","9","8","4","1") = "8"
    & skf18("8","8","5","9","8","5","1") = "8"
    & skf18("8","8","5","9","8","6","1") = "8"
    & skf18("8","8","5","9","8","7","1") = "8"
    & skf18("8","8","5","9","8","8","1") = "8"
    & skf18("8","8","5","9","8","9","1") = "8"
    & skf18("8","8","5","9","8","10","1") = "9"
    & skf18("8","8","5","9","9","1","1") = "8"
    & skf18("8","8","5","9","9","2","1") = "8"
    & skf18("8","8","5","9","9","3","1") = "8"
    & skf18("8","8","5","9","9","4","1") = "8"
    & skf18("8","8","5","9","9","5","1") = "8"
    & skf18("8","8","5","9","9","6","1") = "8"
    & skf18("8","8","5","9","9","7","1") = "8"
    & skf18("8","8","5","9","9","8","1") = "8"
    & skf18("8","8","5","9","9","9","1") = "8"
    & skf18("8","8","5","9","9","10","1") = "9"
    & skf18("8","8","5","9","10","1","1") = "9"
    & skf18("8","8","5","9","10","2","1") = "9"
    & skf18("8","8","5","9","10","3","1") = "9"
    & skf18("8","8","5","9","10","4","1") = "9"
    & skf18("8","8","5","9","10","5","1") = "9"
    & skf18("8","8","5","9","10","6","1") = "9"
    & skf18("8","8","5","9","10","7","1") = "9"
    & skf18("8","8","5","9","10","8","1") = "9"
    & skf18("8","8","5","9","10","9","1") = "9"
    & skf18("8","8","5","9","10","10","1") = "9"
    & skf18("8","8","5","10","1","1","1") = "9"
    & skf18("8","8","5","10","1","2","1") = "9"
    & skf18("8","8","5","10","1","3","1") = "9"
    & skf18("8","8","5","10","1","4","1") = "9"
    & skf18("8","8","5","10","1","5","1") = "9"
    & skf18("8","8","5","10","1","6","1") = "9"
    & skf18("8","8","5","10","1","7","1") = "9"
    & skf18("8","8","5","10","1","8","1") = "9"
    & skf18("8","8","5","10","1","9","1") = "9"
    & skf18("8","8","5","10","1","10","1") = "9"
    & skf18("8","8","5","10","2","1","1") = "9"
    & skf18("8","8","5","10","2","2","1") = "9"
    & skf18("8","8","5","10","2","3","1") = "9"
    & skf18("8","8","5","10","2","4","1") = "9"
    & skf18("8","8","5","10","2","5","1") = "9"
    & skf18("8","8","5","10","2","6","1") = "9"
    & skf18("8","8","5","10","2","7","1") = "9"
    & skf18("8","8","5","10","2","8","1") = "9"
    & skf18("8","8","5","10","2","9","1") = "9"
    & skf18("8","8","5","10","2","10","1") = "9"
    & skf18("8","8","5","10","3","1","1") = "9"
    & skf18("8","8","5","10","3","2","1") = "9"
    & skf18("8","8","5","10","3","3","1") = "9"
    & skf18("8","8","5","10","3","4","1") = "9"
    & skf18("8","8","5","10","3","5","1") = "9"
    & skf18("8","8","5","10","3","6","1") = "9"
    & skf18("8","8","5","10","3","7","1") = "9"
    & skf18("8","8","5","10","3","8","1") = "9"
    & skf18("8","8","5","10","3","9","1") = "9"
    & skf18("8","8","5","10","3","10","1") = "9"
    & skf18("8","8","5","10","4","1","1") = "9"
    & skf18("8","8","5","10","4","2","1") = "9"
    & skf18("8","8","5","10","4","3","1") = "9"
    & skf18("8","8","5","10","4","4","1") = "9"
    & skf18("8","8","5","10","4","5","1") = "9"
    & skf18("8","8","5","10","4","6","1") = "9"
    & skf18("8","8","5","10","4","7","1") = "9"
    & skf18("8","8","5","10","4","8","1") = "9"
    & skf18("8","8","5","10","4","9","1") = "9"
    & skf18("8","8","5","10","4","10","1") = "9"
    & skf18("8","8","5","10","5","1","1") = "9"
    & skf18("8","8","5","10","5","2","1") = "9"
    & skf18("8","8","5","10","5","3","1") = "9"
    & skf18("8","8","5","10","5","4","1") = "9"
    & skf18("8","8","5","10","5","5","1") = "9"
    & skf18("8","8","5","10","5","6","1") = "9"
    & skf18("8","8","5","10","5","7","1") = "9"
    & skf18("8","8","5","10","5","8","1") = "9"
    & skf18("8","8","5","10","5","9","1") = "9"
    & skf18("8","8","5","10","5","10","1") = "9"
    & skf18("8","8","5","10","6","1","1") = "9"
    & skf18("8","8","5","10","6","2","1") = "9"
    & skf18("8","8","5","10","6","3","1") = "9"
    & skf18("8","8","5","10","6","4","1") = "9"
    & skf18("8","8","5","10","6","5","1") = "9"
    & skf18("8","8","5","10","6","6","1") = "9"
    & skf18("8","8","5","10","6","7","1") = "9"
    & skf18("8","8","5","10","6","8","1") = "9"
    & skf18("8","8","5","10","6","9","1") = "9"
    & skf18("8","8","5","10","6","10","1") = "9"
    & skf18("8","8","5","10","7","1","1") = "9"
    & skf18("8","8","5","10","7","2","1") = "9"
    & skf18("8","8","5","10","7","3","1") = "9"
    & skf18("8","8","5","10","7","4","1") = "9"
    & skf18("8","8","5","10","7","5","1") = "9"
    & skf18("8","8","5","10","7","6","1") = "9"
    & skf18("8","8","5","10","7","7","1") = "9"
    & skf18("8","8","5","10","7","8","1") = "9"
    & skf18("8","8","5","10","7","9","1") = "9"
    & skf18("8","8","5","10","7","10","1") = "9"
    & skf18("8","8","5","10","8","1","1") = "9"
    & skf18("8","8","5","10","8","2","1") = "9"
    & skf18("8","8","5","10","8","3","1") = "9"
    & skf18("8","8","5","10","8","4","1") = "9"
    & skf18("8","8","5","10","8","5","1") = "9"
    & skf18("8","8","5","10","8","6","1") = "9"
    & skf18("8","8","5","10","8","7","1") = "9"
    & skf18("8","8","5","10","8","8","1") = "9"
    & skf18("8","8","5","10","8","9","1") = "9"
    & skf18("8","8","5","10","8","10","1") = "9"
    & skf18("8","8","5","10","9","1","1") = "9"
    & skf18("8","8","5","10","9","2","1") = "9"
    & skf18("8","8","5","10","9","3","1") = "9"
    & skf18("8","8","5","10","9","4","1") = "9"
    & skf18("8","8","5","10","9","5","1") = "9"
    & skf18("8","8","5","10","9","6","1") = "9"
    & skf18("8","8","5","10","9","7","1") = "9"
    & skf18("8","8","5","10","9","8","1") = "9"
    & skf18("8","8","5","10","9","9","1") = "9"
    & skf18("8","8","5","10","9","10","1") = "9"
    & skf18("8","8","5","10","10","1","1") = "9"
    & skf18("8","8","5","10","10","2","1") = "9"
    & skf18("8","8","5","10","10","3","1") = "9"
    & skf18("8","8","5","10","10","4","1") = "9"
    & skf18("8","8","5","10","10","5","1") = "9"
    & skf18("8","8","5","10","10","6","1") = "9"
    & skf18("8","8","5","10","10","7","1") = "9"
    & skf18("8","8","5","10","10","8","1") = "9"
    & skf18("8","8","5","10","10","9","1") = "9"
    & skf18("8","8","5","10","10","10","1") = "9"
    & skf18("8","8","6","1","1","1","1") = "7"
    & skf18("8","8","6","1","1","2","1") = "7"
    & skf18("8","8","6","1","1","3","1") = "7"
    & skf18("8","8","6","1","1","4","1") = "7"
    & skf18("8","8","6","1","1","5","1") = "7"
    & skf18("8","8","6","1","1","6","1") = "7"
    & skf18("8","8","6","1","1","7","1") = "7"
    & skf18("8","8","6","1","1","8","1") = "7"
    & skf18("8","8","6","1","1","9","1") = "8"
    & skf18("8","8","6","1","1","10","1") = "9"
    & skf18("8","8","6","1","2","1","1") = "7"
    & skf18("8","8","6","1","2","2","1") = "7"
    & skf18("8","8","6","1","2","3","1") = "7"
    & skf18("8","8","6","1","2","4","1") = "7"
    & skf18("8","8","6","1","2","5","1") = "7"
    & skf18("8","8","6","1","2","6","1") = "7"
    & skf18("8","8","6","1","2","7","1") = "7"
    & skf18("8","8","6","1","2","8","1") = "7"
    & skf18("8","8","6","1","2","9","1") = "8"
    & skf18("8","8","6","1","2","10","1") = "9"
    & skf18("8","8","6","1","3","1","1") = "7"
    & skf18("8","8","6","1","3","2","1") = "7"
    & skf18("8","8","6","1","3","3","1") = "7"
    & skf18("8","8","6","1","3","4","1") = "7"
    & skf18("8","8","6","1","3","5","1") = "7"
    & skf18("8","8","6","1","3","6","1") = "7"
    & skf18("8","8","6","1","3","7","1") = "7"
    & skf18("8","8","6","1","3","8","1") = "7"
    & skf18("8","8","6","1","3","9","1") = "8"
    & skf18("8","8","6","1","3","10","1") = "9"
    & skf18("8","8","6","1","4","1","1") = "7"
    & skf18("8","8","6","1","4","2","1") = "7"
    & skf18("8","8","6","1","4","3","1") = "7"
    & skf18("8","8","6","1","4","4","1") = "7"
    & skf18("8","8","6","1","4","5","1") = "7"
    & skf18("8","8","6","1","4","6","1") = "7"
    & skf18("8","8","6","1","4","7","1") = "7"
    & skf18("8","8","6","1","4","8","1") = "7"
    & skf18("8","8","6","1","4","9","1") = "8"
    & skf18("8","8","6","1","4","10","1") = "9"
    & skf18("8","8","6","1","5","1","1") = "7"
    & skf18("8","8","6","1","5","2","1") = "7"
    & skf18("8","8","6","1","5","3","1") = "7"
    & skf18("8","8","6","1","5","4","1") = "7"
    & skf18("8","8","6","1","5","5","1") = "7"
    & skf18("8","8","6","1","5","6","1") = "7"
    & skf18("8","8","6","1","5","7","1") = "7"
    & skf18("8","8","6","1","5","8","1") = "7"
    & skf18("8","8","6","1","5","9","1") = "8"
    & skf18("8","8","6","1","5","10","1") = "9"
    & skf18("8","8","6","1","6","1","1") = "7"
    & skf18("8","8","6","1","6","2","1") = "7"
    & skf18("8","8","6","1","6","3","1") = "7"
    & skf18("8","8","6","1","6","4","1") = "7"
    & skf18("8","8","6","1","6","5","1") = "7"
    & skf18("8","8","6","1","6","6","1") = "7"
    & skf18("8","8","6","1","6","7","1") = "7"
    & skf18("8","8","6","1","6","8","1") = "7"
    & skf18("8","8","6","1","6","9","1") = "8"
    & skf18("8","8","6","1","6","10","1") = "9"
    & skf18("8","8","6","1","7","1","1") = "7"
    & skf18("8","8","6","1","7","2","1") = "7"
    & skf18("8","8","6","1","7","3","1") = "7"
    & skf18("8","8","6","1","7","4","1") = "7"
    & skf18("8","8","6","1","7","5","1") = "7"
    & skf18("8","8","6","1","7","6","1") = "7"
    & skf18("8","8","6","1","7","7","1") = "7"
    & skf18("8","8","6","1","7","8","1") = "7"
    & skf18("8","8","6","1","7","9","1") = "8"
    & skf18("8","8","6","1","7","10","1") = "9"
    & skf18("8","8","6","1","8","1","1") = "7"
    & skf18("8","8","6","1","8","2","1") = "7"
    & skf18("8","8","6","1","8","3","1") = "7"
    & skf18("8","8","6","1","8","4","1") = "7"
    & skf18("8","8","6","1","8","5","1") = "7"
    & skf18("8","8","6","1","8","6","1") = "7"
    & skf18("8","8","6","1","8","7","1") = "7"
    & skf18("8","8","6","1","8","8","1") = "7"
    & skf18("8","8","6","1","8","9","1") = "8"
    & skf18("8","8","6","1","8","10","1") = "9"
    & skf18("8","8","6","1","9","1","1") = "8"
    & skf18("8","8","6","1","9","2","1") = "8"
    & skf18("8","8","6","1","9","3","1") = "8"
    & skf18("8","8","6","1","9","4","1") = "8"
    & skf18("8","8","6","1","9","5","1") = "8"
    & skf18("8","8","6","1","9","6","1") = "8"
    & skf18("8","8","6","1","9","7","1") = "8"
    & skf18("8","8","6","1","9","8","1") = "8"
    & skf18("8","8","6","1","9","9","1") = "8"
    & skf18("8","8","6","1","9","10","1") = "9"
    & skf18("8","8","6","1","10","1","1") = "9"
    & skf18("8","8","6","1","10","2","1") = "9"
    & skf18("8","8","6","1","10","3","1") = "9"
    & skf18("8","8","6","1","10","4","1") = "9"
    & skf18("8","8","6","1","10","5","1") = "9"
    & skf18("8","8","6","1","10","6","1") = "9"
    & skf18("8","8","6","1","10","7","1") = "9"
    & skf18("8","8","6","1","10","8","1") = "9"
    & skf18("8","8","6","1","10","9","1") = "9"
    & skf18("8","8","6","1","10","10","1") = "9"
    & skf18("8","8","6","2","1","1","1") = "7"
    & skf18("8","8","6","2","1","2","1") = "7"
    & skf18("8","8","6","2","1","3","1") = "7"
    & skf18("8","8","6","2","1","4","1") = "7"
    & skf18("8","8","6","2","1","5","1") = "7"
    & skf18("8","8","6","2","1","6","1") = "7"
    & skf18("8","8","6","2","1","7","1") = "7"
    & skf18("8","8","6","2","1","8","1") = "7"
    & skf18("8","8","6","2","1","9","1") = "8"
    & skf18("8","8","6","2","1","10","1") = "9"
    & skf18("8","8","6","2","2","1","1") = "7"
    & skf18("8","8","6","2","2","2","1") = "7"
    & skf18("8","8","6","2","2","3","1") = "7"
    & skf18("8","8","6","2","2","4","1") = "7"
    & skf18("8","8","6","2","2","5","1") = "7"
    & skf18("8","8","6","2","2","6","1") = "7"
    & skf18("8","8","6","2","2","7","1") = "7"
    & skf18("8","8","6","2","2","8","1") = "7"
    & skf18("8","8","6","2","2","9","1") = "8"
    & skf18("8","8","6","2","2","10","1") = "9"
    & skf18("8","8","6","2","3","1","1") = "7"
    & skf18("8","8","6","2","3","2","1") = "7"
    & skf18("8","8","6","2","3","3","1") = "7"
    & skf18("8","8","6","2","3","4","1") = "7"
    & skf18("8","8","6","2","3","5","1") = "7"
    & skf18("8","8","6","2","3","6","1") = "7"
    & skf18("8","8","6","2","3","7","1") = "7"
    & skf18("8","8","6","2","3","8","1") = "7"
    & skf18("8","8","6","2","3","9","1") = "8"
    & skf18("8","8","6","2","3","10","1") = "9"
    & skf18("8","8","6","2","4","1","1") = "7"
    & skf18("8","8","6","2","4","2","1") = "7"
    & skf18("8","8","6","2","4","3","1") = "7"
    & skf18("8","8","6","2","4","4","1") = "7"
    & skf18("8","8","6","2","4","5","1") = "7"
    & skf18("8","8","6","2","4","6","1") = "7"
    & skf18("8","8","6","2","4","7","1") = "7"
    & skf18("8","8","6","2","4","8","1") = "7"
    & skf18("8","8","6","2","4","9","1") = "8"
    & skf18("8","8","6","2","4","10","1") = "9"
    & skf18("8","8","6","2","5","1","1") = "7"
    & skf18("8","8","6","2","5","2","1") = "7"
    & skf18("8","8","6","2","5","3","1") = "7"
    & skf18("8","8","6","2","5","4","1") = "7"
    & skf18("8","8","6","2","5","5","1") = "7"
    & skf18("8","8","6","2","5","6","1") = "7"
    & skf18("8","8","6","2","5","7","1") = "7"
    & skf18("8","8","6","2","5","8","1") = "7"
    & skf18("8","8","6","2","5","9","1") = "8"
    & skf18("8","8","6","2","5","10","1") = "9"
    & skf18("8","8","6","2","6","1","1") = "7"
    & skf18("8","8","6","2","6","2","1") = "7"
    & skf18("8","8","6","2","6","3","1") = "7"
    & skf18("8","8","6","2","6","4","1") = "7"
    & skf18("8","8","6","2","6","5","1") = "7"
    & skf18("8","8","6","2","6","6","1") = "7"
    & skf18("8","8","6","2","6","7","1") = "7"
    & skf18("8","8","6","2","6","8","1") = "7"
    & skf18("8","8","6","2","6","9","1") = "8"
    & skf18("8","8","6","2","6","10","1") = "9"
    & skf18("8","8","6","2","7","1","1") = "7"
    & skf18("8","8","6","2","7","2","1") = "7"
    & skf18("8","8","6","2","7","3","1") = "7"
    & skf18("8","8","6","2","7","4","1") = "7"
    & skf18("8","8","6","2","7","5","1") = "7"
    & skf18("8","8","6","2","7","6","1") = "7"
    & skf18("8","8","6","2","7","7","1") = "7"
    & skf18("8","8","6","2","7","8","1") = "7"
    & skf18("8","8","6","2","7","9","1") = "8"
    & skf18("8","8","6","2","7","10","1") = "9"
    & skf18("8","8","6","2","8","1","1") = "7"
    & skf18("8","8","6","2","8","2","1") = "7"
    & skf18("8","8","6","2","8","3","1") = "7"
    & skf18("8","8","6","2","8","4","1") = "7"
    & skf18("8","8","6","2","8","5","1") = "7"
    & skf18("8","8","6","2","8","6","1") = "7"
    & skf18("8","8","6","2","8","7","1") = "7"
    & skf18("8","8","6","2","8","8","1") = "7"
    & skf18("8","8","6","2","8","9","1") = "8"
    & skf18("8","8","6","2","8","10","1") = "9"
    & skf18("8","8","6","2","9","1","1") = "8"
    & skf18("8","8","6","2","9","2","1") = "8"
    & skf18("8","8","6","2","9","3","1") = "8"
    & skf18("8","8","6","2","9","4","1") = "8"
    & skf18("8","8","6","2","9","5","1") = "8"
    & skf18("8","8","6","2","9","6","1") = "8"
    & skf18("8","8","6","2","9","7","1") = "8"
    & skf18("8","8","6","2","9","8","1") = "8"
    & skf18("8","8","6","2","9","9","1") = "8"
    & skf18("8","8","6","2","9","10","1") = "9"
    & skf18("8","8","6","2","10","1","1") = "9"
    & skf18("8","8","6","2","10","2","1") = "9"
    & skf18("8","8","6","2","10","3","1") = "9"
    & skf18("8","8","6","2","10","4","1") = "9"
    & skf18("8","8","6","2","10","5","1") = "9"
    & skf18("8","8","6","2","10","6","1") = "9"
    & skf18("8","8","6","2","10","7","1") = "9"
    & skf18("8","8","6","2","10","8","1") = "9"
    & skf18("8","8","6","2","10","9","1") = "9"
    & skf18("8","8","6","2","10","10","1") = "9"
    & skf18("8","8","6","3","1","1","1") = "7"
    & skf18("8","8","6","3","1","2","1") = "7"
    & skf18("8","8","6","3","1","3","1") = "7"
    & skf18("8","8","6","3","1","4","1") = "7"
    & skf18("8","8","6","3","1","5","1") = "7"
    & skf18("8","8","6","3","1","6","1") = "7"
    & skf18("8","8","6","3","1","7","1") = "7"
    & skf18("8","8","6","3","1","8","1") = "7"
    & skf18("8","8","6","3","1","9","1") = "8"
    & skf18("8","8","6","3","1","10","1") = "9"
    & skf18("8","8","6","3","2","1","1") = "7"
    & skf18("8","8","6","3","2","2","1") = "7"
    & skf18("8","8","6","3","2","3","1") = "7"
    & skf18("8","8","6","3","2","4","1") = "7"
    & skf18("8","8","6","3","2","5","1") = "7"
    & skf18("8","8","6","3","2","6","1") = "7"
    & skf18("8","8","6","3","2","7","1") = "7"
    & skf18("8","8","6","3","2","8","1") = "7"
    & skf18("8","8","6","3","2","9","1") = "8"
    & skf18("8","8","6","3","2","10","1") = "9"
    & skf18("8","8","6","3","3","1","1") = "7"
    & skf18("8","8","6","3","3","2","1") = "7"
    & skf18("8","8","6","3","3","3","1") = "7"
    & skf18("8","8","6","3","3","4","1") = "7"
    & skf18("8","8","6","3","3","5","1") = "7"
    & skf18("8","8","6","3","3","6","1") = "7"
    & skf18("8","8","6","3","3","7","1") = "7"
    & skf18("8","8","6","3","3","8","1") = "7"
    & skf18("8","8","6","3","3","9","1") = "8"
    & skf18("8","8","6","3","3","10","1") = "9"
    & skf18("8","8","6","3","4","1","1") = "7"
    & skf18("8","8","6","3","4","2","1") = "7"
    & skf18("8","8","6","3","4","3","1") = "7"
    & skf18("8","8","6","3","4","4","1") = "7"
    & skf18("8","8","6","3","4","5","1") = "7"
    & skf18("8","8","6","3","4","6","1") = "7"
    & skf18("8","8","6","3","4","7","1") = "7"
    & skf18("8","8","6","3","4","8","1") = "7"
    & skf18("8","8","6","3","4","9","1") = "8"
    & skf18("8","8","6","3","4","10","1") = "9"
    & skf18("8","8","6","3","5","1","1") = "7"
    & skf18("8","8","6","3","5","2","1") = "7"
    & skf18("8","8","6","3","5","3","1") = "7"
    & skf18("8","8","6","3","5","4","1") = "7"
    & skf18("8","8","6","3","5","5","1") = "7"
    & skf18("8","8","6","3","5","6","1") = "7"
    & skf18("8","8","6","3","5","7","1") = "7"
    & skf18("8","8","6","3","5","8","1") = "7"
    & skf18("8","8","6","3","5","9","1") = "8"
    & skf18("8","8","6","3","5","10","1") = "9"
    & skf18("8","8","6","3","6","1","1") = "7"
    & skf18("8","8","6","3","6","2","1") = "7"
    & skf18("8","8","6","3","6","3","1") = "7"
    & skf18("8","8","6","3","6","4","1") = "7"
    & skf18("8","8","6","3","6","5","1") = "7"
    & skf18("8","8","6","3","6","6","1") = "7"
    & skf18("8","8","6","3","6","7","1") = "7"
    & skf18("8","8","6","3","6","8","1") = "7"
    & skf18("8","8","6","3","6","9","1") = "8"
    & skf18("8","8","6","3","6","10","1") = "9"
    & skf18("8","8","6","3","7","1","1") = "7"
    & skf18("8","8","6","3","7","2","1") = "7"
    & skf18("8","8","6","3","7","3","1") = "7"
    & skf18("8","8","6","3","7","4","1") = "7"
    & skf18("8","8","6","3","7","5","1") = "7"
    & skf18("8","8","6","3","7","6","1") = "7"
    & skf18("8","8","6","3","7","7","1") = "7"
    & skf18("8","8","6","3","7","8","1") = "7"
    & skf18("8","8","6","3","7","9","1") = "8"
    & skf18("8","8","6","3","7","10","1") = "9"
    & skf18("8","8","6","3","8","1","1") = "7"
    & skf18("8","8","6","3","8","2","1") = "7"
    & skf18("8","8","6","3","8","3","1") = "7"
    & skf18("8","8","6","3","8","4","1") = "7"
    & skf18("8","8","6","3","8","5","1") = "7"
    & skf18("8","8","6","3","8","6","1") = "7"
    & skf18("8","8","6","3","8","7","1") = "7"
    & skf18("8","8","6","3","8","8","1") = "7"
    & skf18("8","8","6","3","8","9","1") = "8"
    & skf18("8","8","6","3","8","10","1") = "9"
    & skf18("8","8","6","3","9","1","1") = "8"
    & skf18("8","8","6","3","9","2","1") = "8"
    & skf18("8","8","6","3","9","3","1") = "8"
    & skf18("8","8","6","3","9","4","1") = "8"
    & skf18("8","8","6","3","9","5","1") = "8"
    & skf18("8","8","6","3","9","6","1") = "8"
    & skf18("8","8","6","3","9","7","1") = "8"
    & skf18("8","8","6","3","9","8","1") = "8"
    & skf18("8","8","6","3","9","9","1") = "8"
    & skf18("8","8","6","3","9","10","1") = "9"
    & skf18("8","8","6","3","10","1","1") = "9"
    & skf18("8","8","6","3","10","2","1") = "9"
    & skf18("8","8","6","3","10","3","1") = "9"
    & skf18("8","8","6","3","10","4","1") = "9"
    & skf18("8","8","6","3","10","5","1") = "9"
    & skf18("8","8","6","3","10","6","1") = "9"
    & skf18("8","8","6","3","10","7","1") = "9"
    & skf18("8","8","6","3","10","8","1") = "9"
    & skf18("8","8","6","3","10","9","1") = "9"
    & skf18("8","8","6","3","10","10","1") = "9"
    & skf18("8","8","6","4","1","1","1") = "7"
    & skf18("8","8","6","4","1","2","1") = "7"
    & skf18("8","8","6","4","1","3","1") = "7"
    & skf18("8","8","6","4","1","4","1") = "7"
    & skf18("8","8","6","4","1","5","1") = "7"
    & skf18("8","8","6","4","1","6","1") = "7"
    & skf18("8","8","6","4","1","7","1") = "7"
    & skf18("8","8","6","4","1","8","1") = "7"
    & skf18("8","8","6","4","1","9","1") = "8"
    & skf18("8","8","6","4","1","10","1") = "9"
    & skf18("8","8","6","4","2","1","1") = "7"
    & skf18("8","8","6","4","2","2","1") = "7"
    & skf18("8","8","6","4","2","3","1") = "7"
    & skf18("8","8","6","4","2","4","1") = "7"
    & skf18("8","8","6","4","2","5","1") = "7"
    & skf18("8","8","6","4","2","6","1") = "7"
    & skf18("8","8","6","4","2","7","1") = "7"
    & skf18("8","8","6","4","2","8","1") = "7"
    & skf18("8","8","6","4","2","9","1") = "8"
    & skf18("8","8","6","4","2","10","1") = "9"
    & skf18("8","8","6","4","3","1","1") = "7"
    & skf18("8","8","6","4","3","2","1") = "7"
    & skf18("8","8","6","4","3","3","1") = "7"
    & skf18("8","8","6","4","3","4","1") = "7"
    & skf18("8","8","6","4","3","5","1") = "7"
    & skf18("8","8","6","4","3","6","1") = "7"
    & skf18("8","8","6","4","3","7","1") = "7"
    & skf18("8","8","6","4","3","8","1") = "7"
    & skf18("8","8","6","4","3","9","1") = "8"
    & skf18("8","8","6","4","3","10","1") = "9"
    & skf18("8","8","6","4","4","1","1") = "7"
    & skf18("8","8","6","4","4","2","1") = "7"
    & skf18("8","8","6","4","4","3","1") = "7"
    & skf18("8","8","6","4","4","4","1") = "7"
    & skf18("8","8","6","4","4","5","1") = "7"
    & skf18("8","8","6","4","4","6","1") = "7"
    & skf18("8","8","6","4","4","7","1") = "7"
    & skf18("8","8","6","4","4","8","1") = "7"
    & skf18("8","8","6","4","4","9","1") = "8"
    & skf18("8","8","6","4","4","10","1") = "9"
    & skf18("8","8","6","4","5","1","1") = "7"
    & skf18("8","8","6","4","5","2","1") = "7"
    & skf18("8","8","6","4","5","3","1") = "7"
    & skf18("8","8","6","4","5","4","1") = "7"
    & skf18("8","8","6","4","5","5","1") = "7"
    & skf18("8","8","6","4","5","6","1") = "7"
    & skf18("8","8","6","4","5","7","1") = "7"
    & skf18("8","8","6","4","5","8","1") = "7"
    & skf18("8","8","6","4","5","9","1") = "8"
    & skf18("8","8","6","4","5","10","1") = "9"
    & skf18("8","8","6","4","6","1","1") = "7"
    & skf18("8","8","6","4","6","2","1") = "7"
    & skf18("8","8","6","4","6","3","1") = "7"
    & skf18("8","8","6","4","6","4","1") = "7"
    & skf18("8","8","6","4","6","5","1") = "7"
    & skf18("8","8","6","4","6","6","1") = "7"
    & skf18("8","8","6","4","6","7","1") = "7"
    & skf18("8","8","6","4","6","8","1") = "7"
    & skf18("8","8","6","4","6","9","1") = "8"
    & skf18("8","8","6","4","6","10","1") = "9"
    & skf18("8","8","6","4","7","1","1") = "7"
    & skf18("8","8","6","4","7","2","1") = "7"
    & skf18("8","8","6","4","7","3","1") = "7"
    & skf18("8","8","6","4","7","4","1") = "7"
    & skf18("8","8","6","4","7","5","1") = "7"
    & skf18("8","8","6","4","7","6","1") = "7"
    & skf18("8","8","6","4","7","7","1") = "7"
    & skf18("8","8","6","4","7","8","1") = "7"
    & skf18("8","8","6","4","7","9","1") = "8"
    & skf18("8","8","6","4","7","10","1") = "9"
    & skf18("8","8","6","4","8","1","1") = "7"
    & skf18("8","8","6","4","8","2","1") = "7"
    & skf18("8","8","6","4","8","3","1") = "7"
    & skf18("8","8","6","4","8","4","1") = "7"
    & skf18("8","8","6","4","8","5","1") = "7"
    & skf18("8","8","6","4","8","6","1") = "7"
    & skf18("8","8","6","4","8","7","1") = "7"
    & skf18("8","8","6","4","8","8","1") = "7"
    & skf18("8","8","6","4","8","9","1") = "8"
    & skf18("8","8","6","4","8","10","1") = "9"
    & skf18("8","8","6","4","9","1","1") = "8"
    & skf18("8","8","6","4","9","2","1") = "8"
    & skf18("8","8","6","4","9","3","1") = "8"
    & skf18("8","8","6","4","9","4","1") = "8"
    & skf18("8","8","6","4","9","5","1") = "8"
    & skf18("8","8","6","4","9","6","1") = "8"
    & skf18("8","8","6","4","9","7","1") = "8"
    & skf18("8","8","6","4","9","8","1") = "8"
    & skf18("8","8","6","4","9","9","1") = "8"
    & skf18("8","8","6","4","9","10","1") = "9"
    & skf18("8","8","6","4","10","1","1") = "9"
    & skf18("8","8","6","4","10","2","1") = "9"
    & skf18("8","8","6","4","10","3","1") = "9"
    & skf18("8","8","6","4","10","4","1") = "9"
    & skf18("8","8","6","4","10","5","1") = "9"
    & skf18("8","8","6","4","10","6","1") = "9"
    & skf18("8","8","6","4","10","7","1") = "9"
    & skf18("8","8","6","4","10","8","1") = "9"
    & skf18("8","8","6","4","10","9","1") = "9"
    & skf18("8","8","6","4","10","10","1") = "9"
    & skf18("8","8","6","5","1","1","1") = "7"
    & skf18("8","8","6","5","1","2","1") = "7"
    & skf18("8","8","6","5","1","3","1") = "7"
    & skf18("8","8","6","5","1","4","1") = "7"
    & skf18("8","8","6","5","1","5","1") = "7"
    & skf18("8","8","6","5","1","6","1") = "7"
    & skf18("8","8","6","5","1","7","1") = "7"
    & skf18("8","8","6","5","1","8","1") = "7"
    & skf18("8","8","6","5","1","9","1") = "8"
    & skf18("8","8","6","5","1","10","1") = "9"
    & skf18("8","8","6","5","2","1","1") = "7"
    & skf18("8","8","6","5","2","2","1") = "7"
    & skf18("8","8","6","5","2","3","1") = "7"
    & skf18("8","8","6","5","2","4","1") = "7"
    & skf18("8","8","6","5","2","5","1") = "7"
    & skf18("8","8","6","5","2","6","1") = "7"
    & skf18("8","8","6","5","2","7","1") = "7"
    & skf18("8","8","6","5","2","8","1") = "7"
    & skf18("8","8","6","5","2","9","1") = "8"
    & skf18("8","8","6","5","2","10","1") = "9"
    & skf18("8","8","6","5","3","1","1") = "7"
    & skf18("8","8","6","5","3","2","1") = "7"
    & skf18("8","8","6","5","3","3","1") = "7"
    & skf18("8","8","6","5","3","4","1") = "7"
    & skf18("8","8","6","5","3","5","1") = "7"
    & skf18("8","8","6","5","3","6","1") = "7"
    & skf18("8","8","6","5","3","7","1") = "7"
    & skf18("8","8","6","5","3","8","1") = "7"
    & skf18("8","8","6","5","3","9","1") = "8"
    & skf18("8","8","6","5","3","10","1") = "9"
    & skf18("8","8","6","5","4","1","1") = "7"
    & skf18("8","8","6","5","4","2","1") = "7"
    & skf18("8","8","6","5","4","3","1") = "7"
    & skf18("8","8","6","5","4","4","1") = "7"
    & skf18("8","8","6","5","4","5","1") = "7"
    & skf18("8","8","6","5","4","6","1") = "7"
    & skf18("8","8","6","5","4","7","1") = "7"
    & skf18("8","8","6","5","4","8","1") = "7"
    & skf18("8","8","6","5","4","9","1") = "8"
    & skf18("8","8","6","5","4","10","1") = "9"
    & skf18("8","8","6","5","5","1","1") = "7"
    & skf18("8","8","6","5","5","2","1") = "7"
    & skf18("8","8","6","5","5","3","1") = "7"
    & skf18("8","8","6","5","5","4","1") = "7"
    & skf18("8","8","6","5","5","5","1") = "7"
    & skf18("8","8","6","5","5","6","1") = "7"
    & skf18("8","8","6","5","5","7","1") = "7"
    & skf18("8","8","6","5","5","8","1") = "7"
    & skf18("8","8","6","5","5","9","1") = "8"
    & skf18("8","8","6","5","5","10","1") = "9"
    & skf18("8","8","6","5","6","1","1") = "7"
    & skf18("8","8","6","5","6","2","1") = "7"
    & skf18("8","8","6","5","6","3","1") = "7"
    & skf18("8","8","6","5","6","4","1") = "7"
    & skf18("8","8","6","5","6","5","1") = "7"
    & skf18("8","8","6","5","6","6","1") = "7"
    & skf18("8","8","6","5","6","7","1") = "7"
    & skf18("8","8","6","5","6","8","1") = "7"
    & skf18("8","8","6","5","6","9","1") = "8"
    & skf18("8","8","6","5","6","10","1") = "9"
    & skf18("8","8","6","5","7","1","1") = "7"
    & skf18("8","8","6","5","7","2","1") = "7"
    & skf18("8","8","6","5","7","3","1") = "7"
    & skf18("8","8","6","5","7","4","1") = "7"
    & skf18("8","8","6","5","7","5","1") = "7"
    & skf18("8","8","6","5","7","6","1") = "7"
    & skf18("8","8","6","5","7","7","1") = "7"
    & skf18("8","8","6","5","7","8","1") = "7"
    & skf18("8","8","6","5","7","9","1") = "8"
    & skf18("8","8","6","5","7","10","1") = "9"
    & skf18("8","8","6","5","8","1","1") = "7"
    & skf18("8","8","6","5","8","2","1") = "7"
    & skf18("8","8","6","5","8","3","1") = "7"
    & skf18("8","8","6","5","8","4","1") = "7"
    & skf18("8","8","6","5","8","5","1") = "7"
    & skf18("8","8","6","5","8","6","1") = "7"
    & skf18("8","8","6","5","8","7","1") = "7"
    & skf18("8","8","6","5","8","8","1") = "7"
    & skf18("8","8","6","5","8","9","1") = "8"
    & skf18("8","8","6","5","8","10","1") = "9"
    & skf18("8","8","6","5","9","1","1") = "8"
    & skf18("8","8","6","5","9","2","1") = "8"
    & skf18("8","8","6","5","9","3","1") = "8"
    & skf18("8","8","6","5","9","4","1") = "8"
    & skf18("8","8","6","5","9","5","1") = "8"
    & skf18("8","8","6","5","9","6","1") = "8"
    & skf18("8","8","6","5","9","7","1") = "8"
    & skf18("8","8","6","5","9","8","1") = "8"
    & skf18("8","8","6","5","9","9","1") = "8"
    & skf18("8","8","6","5","9","10","1") = "9"
    & skf18("8","8","6","5","10","1","1") = "9"
    & skf18("8","8","6","5","10","2","1") = "9"
    & skf18("8","8","6","5","10","3","1") = "9"
    & skf18("8","8","6","5","10","4","1") = "9"
    & skf18("8","8","6","5","10","5","1") = "9"
    & skf18("8","8","6","5","10","6","1") = "9"
    & skf18("8","8","6","5","10","7","1") = "9"
    & skf18("8","8","6","5","10","8","1") = "9"
    & skf18("8","8","6","5","10","9","1") = "9"
    & skf18("8","8","6","5","10","10","1") = "9"
    & skf18("8","8","6","6","1","1","1") = "7"
    & skf18("8","8","6","6","1","2","1") = "7"
    & skf18("8","8","6","6","1","3","1") = "7"
    & skf18("8","8","6","6","1","4","1") = "7"
    & skf18("8","8","6","6","1","5","1") = "7"
    & skf18("8","8","6","6","1","6","1") = "7"
    & skf18("8","8","6","6","1","7","1") = "7"
    & skf18("8","8","6","6","1","8","1") = "7"
    & skf18("8","8","6","6","1","9","1") = "8"
    & skf18("8","8","6","6","1","10","1") = "9"
    & skf18("8","8","6","6","2","1","1") = "7"
    & skf18("8","8","6","6","2","2","1") = "7"
    & skf18("8","8","6","6","2","3","1") = "7"
    & skf18("8","8","6","6","2","4","1") = "7"
    & skf18("8","8","6","6","2","5","1") = "7"
    & skf18("8","8","6","6","2","6","1") = "7"
    & skf18("8","8","6","6","2","7","1") = "7"
    & skf18("8","8","6","6","2","8","1") = "7"
    & skf18("8","8","6","6","2","9","1") = "8"
    & skf18("8","8","6","6","2","10","1") = "9"
    & skf18("8","8","6","6","3","1","1") = "7"
    & skf18("8","8","6","6","3","2","1") = "7"
    & skf18("8","8","6","6","3","3","1") = "7"
    & skf18("8","8","6","6","3","4","1") = "7"
    & skf18("8","8","6","6","3","5","1") = "7"
    & skf18("8","8","6","6","3","6","1") = "7"
    & skf18("8","8","6","6","3","7","1") = "7"
    & skf18("8","8","6","6","3","8","1") = "7"
    & skf18("8","8","6","6","3","9","1") = "8"
    & skf18("8","8","6","6","3","10","1") = "9"
    & skf18("8","8","6","6","4","1","1") = "7"
    & skf18("8","8","6","6","4","2","1") = "7"
    & skf18("8","8","6","6","4","3","1") = "7"
    & skf18("8","8","6","6","4","4","1") = "7"
    & skf18("8","8","6","6","4","5","1") = "7"
    & skf18("8","8","6","6","4","6","1") = "7"
    & skf18("8","8","6","6","4","7","1") = "7"
    & skf18("8","8","6","6","4","8","1") = "7"
    & skf18("8","8","6","6","4","9","1") = "8"
    & skf18("8","8","6","6","4","10","1") = "9"
    & skf18("8","8","6","6","5","1","1") = "7"
    & skf18("8","8","6","6","5","2","1") = "7"
    & skf18("8","8","6","6","5","3","1") = "7"
    & skf18("8","8","6","6","5","4","1") = "7"
    & skf18("8","8","6","6","5","5","1") = "7"
    & skf18("8","8","6","6","5","6","1") = "7"
    & skf18("8","8","6","6","5","7","1") = "7"
    & skf18("8","8","6","6","5","8","1") = "7"
    & skf18("8","8","6","6","5","9","1") = "8"
    & skf18("8","8","6","6","5","10","1") = "9"
    & skf18("8","8","6","6","6","1","1") = "7"
    & skf18("8","8","6","6","6","2","1") = "7"
    & skf18("8","8","6","6","6","3","1") = "7"
    & skf18("8","8","6","6","6","4","1") = "7"
    & skf18("8","8","6","6","6","5","1") = "7"
    & skf18("8","8","6","6","6","6","1") = "7"
    & skf18("8","8","6","6","6","7","1") = "7"
    & skf18("8","8","6","6","6","8","1") = "7"
    & skf18("8","8","6","6","6","9","1") = "8"
    & skf18("8","8","6","6","6","10","1") = "9"
    & skf18("8","8","6","6","7","1","1") = "7"
    & skf18("8","8","6","6","7","2","1") = "7"
    & skf18("8","8","6","6","7","3","1") = "7"
    & skf18("8","8","6","6","7","4","1") = "7"
    & skf18("8","8","6","6","7","5","1") = "7"
    & skf18("8","8","6","6","7","6","1") = "7"
    & skf18("8","8","6","6","7","7","1") = "7"
    & skf18("8","8","6","6","7","8","1") = "7"
    & skf18("8","8","6","6","7","9","1") = "8"
    & skf18("8","8","6","6","7","10","1") = "9"
    & skf18("8","8","6","6","8","1","1") = "7"
    & skf18("8","8","6","6","8","2","1") = "7"
    & skf18("8","8","6","6","8","3","1") = "7"
    & skf18("8","8","6","6","8","4","1") = "7"
    & skf18("8","8","6","6","8","5","1") = "7"
    & skf18("8","8","6","6","8","6","1") = "7"
    & skf18("8","8","6","6","8","7","1") = "7"
    & skf18("8","8","6","6","8","8","1") = "7"
    & skf18("8","8","6","6","8","9","1") = "8"
    & skf18("8","8","6","6","8","10","1") = "9"
    & skf18("8","8","6","6","9","1","1") = "8"
    & skf18("8","8","6","6","9","2","1") = "8"
    & skf18("8","8","6","6","9","3","1") = "8"
    & skf18("8","8","6","6","9","4","1") = "8"
    & skf18("8","8","6","6","9","5","1") = "8"
    & skf18("8","8","6","6","9","6","1") = "8"
    & skf18("8","8","6","6","9","7","1") = "8"
    & skf18("8","8","6","6","9","8","1") = "8"
    & skf18("8","8","6","6","9","9","1") = "8"
    & skf18("8","8","6","6","9","10","1") = "9"
    & skf18("8","8","6","6","10","1","1") = "9"
    & skf18("8","8","6","6","10","2","1") = "9"
    & skf18("8","8","6","6","10","3","1") = "9"
    & skf18("8","8","6","6","10","4","1") = "9"
    & skf18("8","8","6","6","10","5","1") = "9"
    & skf18("8","8","6","6","10","6","1") = "9"
    & skf18("8","8","6","6","10","7","1") = "9"
    & skf18("8","8","6","6","10","8","1") = "9"
    & skf18("8","8","6","6","10","9","1") = "9"
    & skf18("8","8","6","6","10","10","1") = "9"
    & skf18("8","8","6","7","1","1","1") = "7"
    & skf18("8","8","6","7","1","2","1") = "7"
    & skf18("8","8","6","7","1","3","1") = "7"
    & skf18("8","8","6","7","1","4","1") = "7"
    & skf18("8","8","6","7","1","5","1") = "7"
    & skf18("8","8","6","7","1","6","1") = "7"
    & skf18("8","8","6","7","1","7","1") = "7"
    & skf18("8","8","6","7","1","8","1") = "7"
    & skf18("8","8","6","7","1","9","1") = "8"
    & skf18("8","8","6","7","1","10","1") = "9"
    & skf18("8","8","6","7","2","1","1") = "7"
    & skf18("8","8","6","7","2","2","1") = "7"
    & skf18("8","8","6","7","2","3","1") = "7"
    & skf18("8","8","6","7","2","4","1") = "7"
    & skf18("8","8","6","7","2","5","1") = "7"
    & skf18("8","8","6","7","2","6","1") = "7"
    & skf18("8","8","6","7","2","7","1") = "7"
    & skf18("8","8","6","7","2","8","1") = "7"
    & skf18("8","8","6","7","2","9","1") = "8"
    & skf18("8","8","6","7","2","10","1") = "9"
    & skf18("8","8","6","7","3","1","1") = "7"
    & skf18("8","8","6","7","3","2","1") = "7"
    & skf18("8","8","6","7","3","3","1") = "7"
    & skf18("8","8","6","7","3","4","1") = "7"
    & skf18("8","8","6","7","3","5","1") = "7"
    & skf18("8","8","6","7","3","6","1") = "7"
    & skf18("8","8","6","7","3","7","1") = "7"
    & skf18("8","8","6","7","3","8","1") = "7"
    & skf18("8","8","6","7","3","9","1") = "8"
    & skf18("8","8","6","7","3","10","1") = "9"
    & skf18("8","8","6","7","4","1","1") = "7"
    & skf18("8","8","6","7","4","2","1") = "7"
    & skf18("8","8","6","7","4","3","1") = "7"
    & skf18("8","8","6","7","4","4","1") = "7"
    & skf18("8","8","6","7","4","5","1") = "7"
    & skf18("8","8","6","7","4","6","1") = "7"
    & skf18("8","8","6","7","4","7","1") = "7"
    & skf18("8","8","6","7","4","8","1") = "7"
    & skf18("8","8","6","7","4","9","1") = "8"
    & skf18("8","8","6","7","4","10","1") = "9"
    & skf18("8","8","6","7","5","1","1") = "7"
    & skf18("8","8","6","7","5","2","1") = "7"
    & skf18("8","8","6","7","5","3","1") = "7"
    & skf18("8","8","6","7","5","4","1") = "7"
    & skf18("8","8","6","7","5","5","1") = "7"
    & skf18("8","8","6","7","5","6","1") = "7"
    & skf18("8","8","6","7","5","7","1") = "7"
    & skf18("8","8","6","7","5","8","1") = "7"
    & skf18("8","8","6","7","5","9","1") = "8"
    & skf18("8","8","6","7","5","10","1") = "9"
    & skf18("8","8","6","7","6","1","1") = "7"
    & skf18("8","8","6","7","6","2","1") = "7"
    & skf18("8","8","6","7","6","3","1") = "7"
    & skf18("8","8","6","7","6","4","1") = "7"
    & skf18("8","8","6","7","6","5","1") = "7"
    & skf18("8","8","6","7","6","6","1") = "7"
    & skf18("8","8","6","7","6","7","1") = "7"
    & skf18("8","8","6","7","6","8","1") = "7"
    & skf18("8","8","6","7","6","9","1") = "8"
    & skf18("8","8","6","7","6","10","1") = "9"
    & skf18("8","8","6","7","7","1","1") = "7"
    & skf18("8","8","6","7","7","2","1") = "7"
    & skf18("8","8","6","7","7","3","1") = "7"
    & skf18("8","8","6","7","7","4","1") = "7"
    & skf18("8","8","6","7","7","5","1") = "7"
    & skf18("8","8","6","7","7","6","1") = "7"
    & skf18("8","8","6","7","7","7","1") = "7"
    & skf18("8","8","6","7","7","8","1") = "7"
    & skf18("8","8","6","7","7","9","1") = "8"
    & skf18("8","8","6","7","7","10","1") = "9"
    & skf18("8","8","6","7","8","1","1") = "7"
    & skf18("8","8","6","7","8","2","1") = "7"
    & skf18("8","8","6","7","8","3","1") = "7"
    & skf18("8","8","6","7","8","4","1") = "7"
    & skf18("8","8","6","7","8","5","1") = "7"
    & skf18("8","8","6","7","8","6","1") = "7"
    & skf18("8","8","6","7","8","7","1") = "7"
    & skf18("8","8","6","7","8","8","1") = "7"
    & skf18("8","8","6","7","8","9","1") = "8"
    & skf18("8","8","6","7","8","10","1") = "9"
    & skf18("8","8","6","7","9","1","1") = "8"
    & skf18("8","8","6","7","9","2","1") = "8"
    & skf18("8","8","6","7","9","3","1") = "8"
    & skf18("8","8","6","7","9","4","1") = "8"
    & skf18("8","8","6","7","9","5","1") = "8"
    & skf18("8","8","6","7","9","6","1") = "8"
    & skf18("8","8","6","7","9","7","1") = "8"
    & skf18("8","8","6","7","9","8","1") = "8"
    & skf18("8","8","6","7","9","9","1") = "8"
    & skf18("8","8","6","7","9","10","1") = "9"
    & skf18("8","8","6","7","10","1","1") = "9"
    & skf18("8","8","6","7","10","2","1") = "9"
    & skf18("8","8","6","7","10","3","1") = "9"
    & skf18("8","8","6","7","10","4","1") = "9"
    & skf18("8","8","6","7","10","5","1") = "9"
    & skf18("8","8","6","7","10","6","1") = "9"
    & skf18("8","8","6","7","10","7","1") = "9"
    & skf18("8","8","6","7","10","8","1") = "9"
    & skf18("8","8","6","7","10","9","1") = "9"
    & skf18("8","8","6","7","10","10","1") = "9"
    & skf18("8","8","6","8","1","1","1") = "7"
    & skf18("8","8","6","8","1","2","1") = "7"
    & skf18("8","8","6","8","1","3","1") = "7"
    & skf18("8","8","6","8","1","4","1") = "7"
    & skf18("8","8","6","8","1","5","1") = "7"
    & skf18("8","8","6","8","1","6","1") = "7"
    & skf18("8","8","6","8","1","7","1") = "7"
    & skf18("8","8","6","8","1","8","1") = "7"
    & skf18("8","8","6","8","1","9","1") = "8"
    & skf18("8","8","6","8","1","10","1") = "9"
    & skf18("8","8","6","8","2","1","1") = "7"
    & skf18("8","8","6","8","2","2","1") = "7"
    & skf18("8","8","6","8","2","3","1") = "7"
    & skf18("8","8","6","8","2","4","1") = "7"
    & skf18("8","8","6","8","2","5","1") = "7"
    & skf18("8","8","6","8","2","6","1") = "7"
    & skf18("8","8","6","8","2","7","1") = "7"
    & skf18("8","8","6","8","2","8","1") = "7"
    & skf18("8","8","6","8","2","9","1") = "8"
    & skf18("8","8","6","8","2","10","1") = "9"
    & skf18("8","8","6","8","3","1","1") = "7"
    & skf18("8","8","6","8","3","2","1") = "7"
    & skf18("8","8","6","8","3","3","1") = "7"
    & skf18("8","8","6","8","3","4","1") = "7"
    & skf18("8","8","6","8","3","5","1") = "7"
    & skf18("8","8","6","8","3","6","1") = "7"
    & skf18("8","8","6","8","3","7","1") = "7"
    & skf18("8","8","6","8","3","8","1") = "7"
    & skf18("8","8","6","8","3","9","1") = "8"
    & skf18("8","8","6","8","3","10","1") = "9"
    & skf18("8","8","6","8","4","1","1") = "7"
    & skf18("8","8","6","8","4","2","1") = "7"
    & skf18("8","8","6","8","4","3","1") = "7"
    & skf18("8","8","6","8","4","4","1") = "7"
    & skf18("8","8","6","8","4","5","1") = "7"
    & skf18("8","8","6","8","4","6","1") = "7"
    & skf18("8","8","6","8","4","7","1") = "7"
    & skf18("8","8","6","8","4","8","1") = "7"
    & skf18("8","8","6","8","4","9","1") = "8"
    & skf18("8","8","6","8","4","10","1") = "9"
    & skf18("8","8","6","8","5","1","1") = "7"
    & skf18("8","8","6","8","5","2","1") = "7"
    & skf18("8","8","6","8","5","3","1") = "7"
    & skf18("8","8","6","8","5","4","1") = "7"
    & skf18("8","8","6","8","5","5","1") = "7"
    & skf18("8","8","6","8","5","6","1") = "7"
    & skf18("8","8","6","8","5","7","1") = "7"
    & skf18("8","8","6","8","5","8","1") = "7"
    & skf18("8","8","6","8","5","9","1") = "8"
    & skf18("8","8","6","8","5","10","1") = "9"
    & skf18("8","8","6","8","6","1","1") = "7"
    & skf18("8","8","6","8","6","2","1") = "7"
    & skf18("8","8","6","8","6","3","1") = "7"
    & skf18("8","8","6","8","6","4","1") = "7"
    & skf18("8","8","6","8","6","5","1") = "7"
    & skf18("8","8","6","8","6","6","1") = "7"
    & skf18("8","8","6","8","6","7","1") = "7"
    & skf18("8","8","6","8","6","8","1") = "7"
    & skf18("8","8","6","8","6","9","1") = "8"
    & skf18("8","8","6","8","6","10","1") = "9"
    & skf18("8","8","6","8","7","1","1") = "7"
    & skf18("8","8","6","8","7","2","1") = "7"
    & skf18("8","8","6","8","7","3","1") = "7"
    & skf18("8","8","6","8","7","4","1") = "7"
    & skf18("8","8","6","8","7","5","1") = "7"
    & skf18("8","8","6","8","7","6","1") = "7"
    & skf18("8","8","6","8","7","7","1") = "7"
    & skf18("8","8","6","8","7","8","1") = "7"
    & skf18("8","8","6","8","7","9","1") = "8"
    & skf18("8","8","6","8","7","10","1") = "9"
    & skf18("8","8","6","8","8","1","1") = "7"
    & skf18("8","8","6","8","8","2","1") = "7"
    & skf18("8","8","6","8","8","3","1") = "7"
    & skf18("8","8","6","8","8","4","1") = "7"
    & skf18("8","8","6","8","8","5","1") = "7"
    & skf18("8","8","6","8","8","6","1") = "7"
    & skf18("8","8","6","8","8","7","1") = "7"
    & skf18("8","8","6","8","8","8","1") = "7"
    & skf18("8","8","6","8","8","9","1") = "8"
    & skf18("8","8","6","8","8","10","1") = "9"
    & skf18("8","8","6","8","9","1","1") = "8"
    & skf18("8","8","6","8","9","2","1") = "8"
    & skf18("8","8","6","8","9","3","1") = "8"
    & skf18("8","8","6","8","9","4","1") = "8"
    & skf18("8","8","6","8","9","5","1") = "8"
    & skf18("8","8","6","8","9","6","1") = "8"
    & skf18("8","8","6","8","9","7","1") = "8"
    & skf18("8","8","6","8","9","8","1") = "8"
    & skf18("8","8","6","8","9","9","1") = "8"
    & skf18("8","8","6","8","9","10","1") = "9"
    & skf18("8","8","6","8","10","1","1") = "9"
    & skf18("8","8","6","8","10","2","1") = "9"
    & skf18("8","8","6","8","10","3","1") = "9"
    & skf18("8","8","6","8","10","4","1") = "9"
    & skf18("8","8","6","8","10","5","1") = "9"
    & skf18("8","8","6","8","10","6","1") = "9"
    & skf18("8","8","6","8","10","7","1") = "9"
    & skf18("8","8","6","8","10","8","1") = "9"
    & skf18("8","8","6","8","10","9","1") = "9"
    & skf18("8","8","6","8","10","10","1") = "9"
    & skf18("8","8","6","9","1","1","1") = "8"
    & skf18("8","8","6","9","1","2","1") = "8"
    & skf18("8","8","6","9","1","3","1") = "8"
    & skf18("8","8","6","9","1","4","1") = "8"
    & skf18("8","8","6","9","1","5","1") = "8"
    & skf18("8","8","6","9","1","6","1") = "8"
    & skf18("8","8","6","9","1","7","1") = "8"
    & skf18("8","8","6","9","1","8","1") = "8"
    & skf18("8","8","6","9","1","9","1") = "8"
    & skf18("8","8","6","9","1","10","1") = "9"
    & skf18("8","8","6","9","2","1","1") = "8"
    & skf18("8","8","6","9","2","2","1") = "8"
    & skf18("8","8","6","9","2","3","1") = "8"
    & skf18("8","8","6","9","2","4","1") = "8"
    & skf18("8","8","6","9","2","5","1") = "8"
    & skf18("8","8","6","9","2","6","1") = "8"
    & skf18("8","8","6","9","2","7","1") = "8"
    & skf18("8","8","6","9","2","8","1") = "8"
    & skf18("8","8","6","9","2","9","1") = "8"
    & skf18("8","8","6","9","2","10","1") = "9"
    & skf18("8","8","6","9","3","1","1") = "8"
    & skf18("8","8","6","9","3","2","1") = "8"
    & skf18("8","8","6","9","3","3","1") = "8"
    & skf18("8","8","6","9","3","4","1") = "8"
    & skf18("8","8","6","9","3","5","1") = "8"
    & skf18("8","8","6","9","3","6","1") = "8"
    & skf18("8","8","6","9","3","7","1") = "8"
    & skf18("8","8","6","9","3","8","1") = "8"
    & skf18("8","8","6","9","3","9","1") = "8"
    & skf18("8","8","6","9","3","10","1") = "9"
    & skf18("8","8","6","9","4","1","1") = "8"
    & skf18("8","8","6","9","4","2","1") = "8"
    & skf18("8","8","6","9","4","3","1") = "8"
    & skf18("8","8","6","9","4","4","1") = "8"
    & skf18("8","8","6","9","4","5","1") = "8"
    & skf18("8","8","6","9","4","6","1") = "8"
    & skf18("8","8","6","9","4","7","1") = "8"
    & skf18("8","8","6","9","4","8","1") = "8"
    & skf18("8","8","6","9","4","9","1") = "8"
    & skf18("8","8","6","9","4","10","1") = "9"
    & skf18("8","8","6","9","5","1","1") = "8"
    & skf18("8","8","6","9","5","2","1") = "8"
    & skf18("8","8","6","9","5","3","1") = "8"
    & skf18("8","8","6","9","5","4","1") = "8"
    & skf18("8","8","6","9","5","5","1") = "8"
    & skf18("8","8","6","9","5","6","1") = "8"
    & skf18("8","8","6","9","5","7","1") = "8"
    & skf18("8","8","6","9","5","8","1") = "8"
    & skf18("8","8","6","9","5","9","1") = "8"
    & skf18("8","8","6","9","5","10","1") = "9"
    & skf18("8","8","6","9","6","1","1") = "8"
    & skf18("8","8","6","9","6","2","1") = "8"
    & skf18("8","8","6","9","6","3","1") = "8"
    & skf18("8","8","6","9","6","4","1") = "8"
    & skf18("8","8","6","9","6","5","1") = "8"
    & skf18("8","8","6","9","6","6","1") = "8"
    & skf18("8","8","6","9","6","7","1") = "8"
    & skf18("8","8","6","9","6","8","1") = "8"
    & skf18("8","8","6","9","6","9","1") = "8"
    & skf18("8","8","6","9","6","10","1") = "9"
    & skf18("8","8","6","9","7","1","1") = "8"
    & skf18("8","8","6","9","7","2","1") = "8"
    & skf18("8","8","6","9","7","3","1") = "8"
    & skf18("8","8","6","9","7","4","1") = "8"
    & skf18("8","8","6","9","7","5","1") = "8"
    & skf18("8","8","6","9","7","6","1") = "8"
    & skf18("8","8","6","9","7","7","1") = "8"
    & skf18("8","8","6","9","7","8","1") = "8"
    & skf18("8","8","6","9","7","9","1") = "8"
    & skf18("8","8","6","9","7","10","1") = "9"
    & skf18("8","8","6","9","8","1","1") = "8"
    & skf18("8","8","6","9","8","2","1") = "8"
    & skf18("8","8","6","9","8","3","1") = "8"
    & skf18("8","8","6","9","8","4","1") = "8"
    & skf18("8","8","6","9","8","5","1") = "8"
    & skf18("8","8","6","9","8","6","1") = "8"
    & skf18("8","8","6","9","8","7","1") = "8"
    & skf18("8","8","6","9","8","8","1") = "8"
    & skf18("8","8","6","9","8","9","1") = "8"
    & skf18("8","8","6","9","8","10","1") = "9"
    & skf18("8","8","6","9","9","1","1") = "8"
    & skf18("8","8","6","9","9","2","1") = "8"
    & skf18("8","8","6","9","9","3","1") = "8"
    & skf18("8","8","6","9","9","4","1") = "8"
    & skf18("8","8","6","9","9","5","1") = "8"
    & skf18("8","8","6","9","9","6","1") = "8"
    & skf18("8","8","6","9","9","7","1") = "8"
    & skf18("8","8","6","9","9","8","1") = "8"
    & skf18("8","8","6","9","9","9","1") = "8"
    & skf18("8","8","6","9","9","10","1") = "9"
    & skf18("8","8","6","9","10","1","1") = "9"
    & skf18("8","8","6","9","10","2","1") = "9"
    & skf18("8","8","6","9","10","3","1") = "9"
    & skf18("8","8","6","9","10","4","1") = "9"
    & skf18("8","8","6","9","10","5","1") = "9"
    & skf18("8","8","6","9","10","6","1") = "9"
    & skf18("8","8","6","9","10","7","1") = "9"
    & skf18("8","8","6","9","10","8","1") = "9"
    & skf18("8","8","6","9","10","9","1") = "9"
    & skf18("8","8","6","9","10","10","1") = "9"
    & skf18("8","8","6","10","1","1","1") = "9"
    & skf18("8","8","6","10","1","2","1") = "9"
    & skf18("8","8","6","10","1","3","1") = "9"
    & skf18("8","8","6","10","1","4","1") = "9"
    & skf18("8","8","6","10","1","5","1") = "9"
    & skf18("8","8","6","10","1","6","1") = "9"
    & skf18("8","8","6","10","1","7","1") = "9"
    & skf18("8","8","6","10","1","8","1") = "9"
    & skf18("8","8","6","10","1","9","1") = "9"
    & skf18("8","8","6","10","1","10","1") = "9"
    & skf18("8","8","6","10","2","1","1") = "9"
    & skf18("8","8","6","10","2","2","1") = "9"
    & skf18("8","8","6","10","2","3","1") = "9"
    & skf18("8","8","6","10","2","4","1") = "9"
    & skf18("8","8","6","10","2","5","1") = "9"
    & skf18("8","8","6","10","2","6","1") = "9"
    & skf18("8","8","6","10","2","7","1") = "9"
    & skf18("8","8","6","10","2","8","1") = "9"
    & skf18("8","8","6","10","2","9","1") = "9"
    & skf18("8","8","6","10","2","10","1") = "9"
    & skf18("8","8","6","10","3","1","1") = "9"
    & skf18("8","8","6","10","3","2","1") = "9"
    & skf18("8","8","6","10","3","3","1") = "9"
    & skf18("8","8","6","10","3","4","1") = "9"
    & skf18("8","8","6","10","3","5","1") = "9"
    & skf18("8","8","6","10","3","6","1") = "9"
    & skf18("8","8","6","10","3","7","1") = "9"
    & skf18("8","8","6","10","3","8","1") = "9"
    & skf18("8","8","6","10","3","9","1") = "9"
    & skf18("8","8","6","10","3","10","1") = "9"
    & skf18("8","8","6","10","4","1","1") = "9"
    & skf18("8","8","6","10","4","2","1") = "9"
    & skf18("8","8","6","10","4","3","1") = "9"
    & skf18("8","8","6","10","4","4","1") = "9"
    & skf18("8","8","6","10","4","5","1") = "9"
    & skf18("8","8","6","10","4","6","1") = "9"
    & skf18("8","8","6","10","4","7","1") = "9"
    & skf18("8","8","6","10","4","8","1") = "9"
    & skf18("8","8","6","10","4","9","1") = "9"
    & skf18("8","8","6","10","4","10","1") = "9"
    & skf18("8","8","6","10","5","1","1") = "9"
    & skf18("8","8","6","10","5","2","1") = "9"
    & skf18("8","8","6","10","5","3","1") = "9"
    & skf18("8","8","6","10","5","4","1") = "9"
    & skf18("8","8","6","10","5","5","1") = "9"
    & skf18("8","8","6","10","5","6","1") = "9"
    & skf18("8","8","6","10","5","7","1") = "9"
    & skf18("8","8","6","10","5","8","1") = "9"
    & skf18("8","8","6","10","5","9","1") = "9"
    & skf18("8","8","6","10","5","10","1") = "9"
    & skf18("8","8","6","10","6","1","1") = "9"
    & skf18("8","8","6","10","6","2","1") = "9"
    & skf18("8","8","6","10","6","3","1") = "9"
    & skf18("8","8","6","10","6","4","1") = "9"
    & skf18("8","8","6","10","6","5","1") = "9"
    & skf18("8","8","6","10","6","6","1") = "9"
    & skf18("8","8","6","10","6","7","1") = "9"
    & skf18("8","8","6","10","6","8","1") = "9"
    & skf18("8","8","6","10","6","9","1") = "9"
    & skf18("8","8","6","10","6","10","1") = "9"
    & skf18("8","8","6","10","7","1","1") = "9"
    & skf18("8","8","6","10","7","2","1") = "9"
    & skf18("8","8","6","10","7","3","1") = "9"
    & skf18("8","8","6","10","7","4","1") = "9"
    & skf18("8","8","6","10","7","5","1") = "9"
    & skf18("8","8","6","10","7","6","1") = "9"
    & skf18("8","8","6","10","7","7","1") = "9"
    & skf18("8","8","6","10","7","8","1") = "9"
    & skf18("8","8","6","10","7","9","1") = "9"
    & skf18("8","8","6","10","7","10","1") = "9"
    & skf18("8","8","6","10","8","1","1") = "9"
    & skf18("8","8","6","10","8","2","1") = "9"
    & skf18("8","8","6","10","8","3","1") = "9"
    & skf18("8","8","6","10","8","4","1") = "9"
    & skf18("8","8","6","10","8","5","1") = "9"
    & skf18("8","8","6","10","8","6","1") = "9"
    & skf18("8","8","6","10","8","7","1") = "9"
    & skf18("8","8","6","10","8","8","1") = "9"
    & skf18("8","8","6","10","8","9","1") = "9"
    & skf18("8","8","6","10","8","10","1") = "9"
    & skf18("8","8","6","10","9","1","1") = "9"
    & skf18("8","8","6","10","9","2","1") = "9"
    & skf18("8","8","6","10","9","3","1") = "9"
    & skf18("8","8","6","10","9","4","1") = "9"
    & skf18("8","8","6","10","9","5","1") = "9"
    & skf18("8","8","6","10","9","6","1") = "9"
    & skf18("8","8","6","10","9","7","1") = "9"
    & skf18("8","8","6","10","9","8","1") = "9"
    & skf18("8","8","6","10","9","9","1") = "9"
    & skf18("8","8","6","10","9","10","1") = "9"
    & skf18("8","8","6","10","10","1","1") = "9"
    & skf18("8","8","6","10","10","2","1") = "9"
    & skf18("8","8","6","10","10","3","1") = "9"
    & skf18("8","8","6","10","10","4","1") = "9"
    & skf18("8","8","6","10","10","5","1") = "9"
    & skf18("8","8","6","10","10","6","1") = "9"
    & skf18("8","8","6","10","10","7","1") = "9"
    & skf18("8","8","6","10","10","8","1") = "9"
    & skf18("8","8","6","10","10","9","1") = "9"
    & skf18("8","8","6","10","10","10","1") = "9"
    & skf18("8","8","7","1","1","1","1") = "7"
    & skf18("8","8","7","1","1","2","1") = "7"
    & skf18("8","8","7","1","1","3","1") = "7"
    & skf18("8","8","7","1","1","4","1") = "7"
    & skf18("8","8","7","1","1","5","1") = "7"
    & skf18("8","8","7","1","1","6","1") = "7"
    & skf18("8","8","7","1","1","7","1") = "7"
    & skf18("8","8","7","1","1","8","1") = "7"
    & skf18("8","8","7","1","1","9","1") = "8"
    & skf18("8","8","7","1","1","10","1") = "9"
    & skf18("8","8","7","1","2","1","1") = "7"
    & skf18("8","8","7","1","2","2","1") = "7"
    & skf18("8","8","7","1","2","3","1") = "7"
    & skf18("8","8","7","1","2","4","1") = "7"
    & skf18("8","8","7","1","2","5","1") = "7"
    & skf18("8","8","7","1","2","6","1") = "7"
    & skf18("8","8","7","1","2","7","1") = "7"
    & skf18("8","8","7","1","2","8","1") = "7"
    & skf18("8","8","7","1","2","9","1") = "8"
    & skf18("8","8","7","1","2","10","1") = "9"
    & skf18("8","8","7","1","3","1","1") = "7"
    & skf18("8","8","7","1","3","2","1") = "7"
    & skf18("8","8","7","1","3","3","1") = "7"
    & skf18("8","8","7","1","3","4","1") = "7"
    & skf18("8","8","7","1","3","5","1") = "7"
    & skf18("8","8","7","1","3","6","1") = "7"
    & skf18("8","8","7","1","3","7","1") = "7"
    & skf18("8","8","7","1","3","8","1") = "7"
    & skf18("8","8","7","1","3","9","1") = "8"
    & skf18("8","8","7","1","3","10","1") = "9"
    & skf18("8","8","7","1","4","1","1") = "7"
    & skf18("8","8","7","1","4","2","1") = "7"
    & skf18("8","8","7","1","4","3","1") = "7"
    & skf18("8","8","7","1","4","4","1") = "7"
    & skf18("8","8","7","1","4","5","1") = "7"
    & skf18("8","8","7","1","4","6","1") = "7"
    & skf18("8","8","7","1","4","7","1") = "7"
    & skf18("8","8","7","1","4","8","1") = "7"
    & skf18("8","8","7","1","4","9","1") = "8"
    & skf18("8","8","7","1","4","10","1") = "9"
    & skf18("8","8","7","1","5","1","1") = "7"
    & skf18("8","8","7","1","5","2","1") = "7"
    & skf18("8","8","7","1","5","3","1") = "7"
    & skf18("8","8","7","1","5","4","1") = "7"
    & skf18("8","8","7","1","5","5","1") = "7"
    & skf18("8","8","7","1","5","6","1") = "7"
    & skf18("8","8","7","1","5","7","1") = "7"
    & skf18("8","8","7","1","5","8","1") = "7"
    & skf18("8","8","7","1","5","9","1") = "8"
    & skf18("8","8","7","1","5","10","1") = "9"
    & skf18("8","8","7","1","6","1","1") = "7"
    & skf18("8","8","7","1","6","2","1") = "7"
    & skf18("8","8","7","1","6","3","1") = "7"
    & skf18("8","8","7","1","6","4","1") = "7"
    & skf18("8","8","7","1","6","5","1") = "7"
    & skf18("8","8","7","1","6","6","1") = "7"
    & skf18("8","8","7","1","6","7","1") = "7"
    & skf18("8","8","7","1","6","8","1") = "7"
    & skf18("8","8","7","1","6","9","1") = "8"
    & skf18("8","8","7","1","6","10","1") = "9"
    & skf18("8","8","7","1","7","1","1") = "7"
    & skf18("8","8","7","1","7","2","1") = "7"
    & skf18("8","8","7","1","7","3","1") = "7"
    & skf18("8","8","7","1","7","4","1") = "7"
    & skf18("8","8","7","1","7","5","1") = "7"
    & skf18("8","8","7","1","7","6","1") = "7"
    & skf18("8","8","7","1","7","7","1") = "7"
    & skf18("8","8","7","1","7","8","1") = "7"
    & skf18("8","8","7","1","7","9","1") = "8"
    & skf18("8","8","7","1","7","10","1") = "9"
    & skf18("8","8","7","1","8","1","1") = "7"
    & skf18("8","8","7","1","8","2","1") = "7"
    & skf18("8","8","7","1","8","3","1") = "7"
    & skf18("8","8","7","1","8","4","1") = "7"
    & skf18("8","8","7","1","8","5","1") = "7"
    & skf18("8","8","7","1","8","6","1") = "7"
    & skf18("8","8","7","1","8","7","1") = "7"
    & skf18("8","8","7","1","8","8","1") = "7"
    & skf18("8","8","7","1","8","9","1") = "8"
    & skf18("8","8","7","1","8","10","1") = "9"
    & skf18("8","8","7","1","9","1","1") = "8"
    & skf18("8","8","7","1","9","2","1") = "8"
    & skf18("8","8","7","1","9","3","1") = "8"
    & skf18("8","8","7","1","9","4","1") = "8"
    & skf18("8","8","7","1","9","5","1") = "8"
    & skf18("8","8","7","1","9","6","1") = "8"
    & skf18("8","8","7","1","9","7","1") = "8"
    & skf18("8","8","7","1","9","8","1") = "8"
    & skf18("8","8","7","1","9","9","1") = "8"
    & skf18("8","8","7","1","9","10","1") = "9"
    & skf18("8","8","7","1","10","1","1") = "9"
    & skf18("8","8","7","1","10","2","1") = "9"
    & skf18("8","8","7","1","10","3","1") = "9"
    & skf18("8","8","7","1","10","4","1") = "9"
    & skf18("8","8","7","1","10","5","1") = "9"
    & skf18("8","8","7","1","10","6","1") = "9"
    & skf18("8","8","7","1","10","7","1") = "9"
    & skf18("8","8","7","1","10","8","1") = "9"
    & skf18("8","8","7","1","10","9","1") = "9"
    & skf18("8","8","7","1","10","10","1") = "9"
    & skf18("8","8","7","2","1","1","1") = "7"
    & skf18("8","8","7","2","1","2","1") = "7"
    & skf18("8","8","7","2","1","3","1") = "7"
    & skf18("8","8","7","2","1","4","1") = "7"
    & skf18("8","8","7","2","1","5","1") = "7"
    & skf18("8","8","7","2","1","6","1") = "7"
    & skf18("8","8","7","2","1","7","1") = "7"
    & skf18("8","8","7","2","1","8","1") = "7"
    & skf18("8","8","7","2","1","9","1") = "8"
    & skf18("8","8","7","2","1","10","1") = "9"
    & skf18("8","8","7","2","2","1","1") = "7"
    & skf18("8","8","7","2","2","2","1") = "7"
    & skf18("8","8","7","2","2","3","1") = "7"
    & skf18("8","8","7","2","2","4","1") = "7"
    & skf18("8","8","7","2","2","5","1") = "7"
    & skf18("8","8","7","2","2","6","1") = "7"
    & skf18("8","8","7","2","2","7","1") = "7"
    & skf18("8","8","7","2","2","8","1") = "7"
    & skf18("8","8","7","2","2","9","1") = "8"
    & skf18("8","8","7","2","2","10","1") = "9"
    & skf18("8","8","7","2","3","1","1") = "7"
    & skf18("8","8","7","2","3","2","1") = "7"
    & skf18("8","8","7","2","3","3","1") = "7"
    & skf18("8","8","7","2","3","4","1") = "7"
    & skf18("8","8","7","2","3","5","1") = "7"
    & skf18("8","8","7","2","3","6","1") = "7"
    & skf18("8","8","7","2","3","7","1") = "7"
    & skf18("8","8","7","2","3","8","1") = "7"
    & skf18("8","8","7","2","3","9","1") = "8"
    & skf18("8","8","7","2","3","10","1") = "9"
    & skf18("8","8","7","2","4","1","1") = "7"
    & skf18("8","8","7","2","4","2","1") = "7"
    & skf18("8","8","7","2","4","3","1") = "7"
    & skf18("8","8","7","2","4","4","1") = "7"
    & skf18("8","8","7","2","4","5","1") = "7"
    & skf18("8","8","7","2","4","6","1") = "7"
    & skf18("8","8","7","2","4","7","1") = "7"
    & skf18("8","8","7","2","4","8","1") = "7"
    & skf18("8","8","7","2","4","9","1") = "8"
    & skf18("8","8","7","2","4","10","1") = "9"
    & skf18("8","8","7","2","5","1","1") = "7"
    & skf18("8","8","7","2","5","2","1") = "7"
    & skf18("8","8","7","2","5","3","1") = "7"
    & skf18("8","8","7","2","5","4","1") = "7"
    & skf18("8","8","7","2","5","5","1") = "7"
    & skf18("8","8","7","2","5","6","1") = "7"
    & skf18("8","8","7","2","5","7","1") = "7"
    & skf18("8","8","7","2","5","8","1") = "7"
    & skf18("8","8","7","2","5","9","1") = "8"
    & skf18("8","8","7","2","5","10","1") = "9"
    & skf18("8","8","7","2","6","1","1") = "7"
    & skf18("8","8","7","2","6","2","1") = "7"
    & skf18("8","8","7","2","6","3","1") = "7"
    & skf18("8","8","7","2","6","4","1") = "7"
    & skf18("8","8","7","2","6","5","1") = "7"
    & skf18("8","8","7","2","6","6","1") = "7"
    & skf18("8","8","7","2","6","7","1") = "7"
    & skf18("8","8","7","2","6","8","1") = "7"
    & skf18("8","8","7","2","6","9","1") = "8"
    & skf18("8","8","7","2","6","10","1") = "9"
    & skf18("8","8","7","2","7","1","1") = "7"
    & skf18("8","8","7","2","7","2","1") = "7"
    & skf18("8","8","7","2","7","3","1") = "7"
    & skf18("8","8","7","2","7","4","1") = "7"
    & skf18("8","8","7","2","7","5","1") = "7"
    & skf18("8","8","7","2","7","6","1") = "7"
    & skf18("8","8","7","2","7","7","1") = "7"
    & skf18("8","8","7","2","7","8","1") = "7"
    & skf18("8","8","7","2","7","9","1") = "8"
    & skf18("8","8","7","2","7","10","1") = "9"
    & skf18("8","8","7","2","8","1","1") = "7"
    & skf18("8","8","7","2","8","2","1") = "7"
    & skf18("8","8","7","2","8","3","1") = "7"
    & skf18("8","8","7","2","8","4","1") = "7"
    & skf18("8","8","7","2","8","5","1") = "7"
    & skf18("8","8","7","2","8","6","1") = "7"
    & skf18("8","8","7","2","8","7","1") = "7"
    & skf18("8","8","7","2","8","8","1") = "7"
    & skf18("8","8","7","2","8","9","1") = "8"
    & skf18("8","8","7","2","8","10","1") = "9"
    & skf18("8","8","7","2","9","1","1") = "8"
    & skf18("8","8","7","2","9","2","1") = "8"
    & skf18("8","8","7","2","9","3","1") = "8"
    & skf18("8","8","7","2","9","4","1") = "8"
    & skf18("8","8","7","2","9","5","1") = "8"
    & skf18("8","8","7","2","9","6","1") = "8"
    & skf18("8","8","7","2","9","7","1") = "8"
    & skf18("8","8","7","2","9","8","1") = "8"
    & skf18("8","8","7","2","9","9","1") = "8"
    & skf18("8","8","7","2","9","10","1") = "9"
    & skf18("8","8","7","2","10","1","1") = "9"
    & skf18("8","8","7","2","10","2","1") = "9"
    & skf18("8","8","7","2","10","3","1") = "9"
    & skf18("8","8","7","2","10","4","1") = "9"
    & skf18("8","8","7","2","10","5","1") = "9"
    & skf18("8","8","7","2","10","6","1") = "9"
    & skf18("8","8","7","2","10","7","1") = "9"
    & skf18("8","8","7","2","10","8","1") = "9"
    & skf18("8","8","7","2","10","9","1") = "9"
    & skf18("8","8","7","2","10","10","1") = "9"
    & skf18("8","8","7","3","1","1","1") = "7"
    & skf18("8","8","7","3","1","2","1") = "7"
    & skf18("8","8","7","3","1","3","1") = "7"
    & skf18("8","8","7","3","1","4","1") = "7"
    & skf18("8","8","7","3","1","5","1") = "7"
    & skf18("8","8","7","3","1","6","1") = "7"
    & skf18("8","8","7","3","1","7","1") = "7"
    & skf18("8","8","7","3","1","8","1") = "7"
    & skf18("8","8","7","3","1","9","1") = "8"
    & skf18("8","8","7","3","1","10","1") = "9"
    & skf18("8","8","7","3","2","1","1") = "7"
    & skf18("8","8","7","3","2","2","1") = "7"
    & skf18("8","8","7","3","2","3","1") = "7"
    & skf18("8","8","7","3","2","4","1") = "7"
    & skf18("8","8","7","3","2","5","1") = "7"
    & skf18("8","8","7","3","2","6","1") = "7"
    & skf18("8","8","7","3","2","7","1") = "7"
    & skf18("8","8","7","3","2","8","1") = "7"
    & skf18("8","8","7","3","2","9","1") = "8"
    & skf18("8","8","7","3","2","10","1") = "9"
    & skf18("8","8","7","3","3","1","1") = "7"
    & skf18("8","8","7","3","3","2","1") = "7"
    & skf18("8","8","7","3","3","3","1") = "7"
    & skf18("8","8","7","3","3","4","1") = "7"
    & skf18("8","8","7","3","3","5","1") = "7"
    & skf18("8","8","7","3","3","6","1") = "7"
    & skf18("8","8","7","3","3","7","1") = "7"
    & skf18("8","8","7","3","3","8","1") = "7"
    & skf18("8","8","7","3","3","9","1") = "8"
    & skf18("8","8","7","3","3","10","1") = "9"
    & skf18("8","8","7","3","4","1","1") = "7"
    & skf18("8","8","7","3","4","2","1") = "7"
    & skf18("8","8","7","3","4","3","1") = "7"
    & skf18("8","8","7","3","4","4","1") = "7"
    & skf18("8","8","7","3","4","5","1") = "7"
    & skf18("8","8","7","3","4","6","1") = "7"
    & skf18("8","8","7","3","4","7","1") = "7"
    & skf18("8","8","7","3","4","8","1") = "7"
    & skf18("8","8","7","3","4","9","1") = "8"
    & skf18("8","8","7","3","4","10","1") = "9"
    & skf18("8","8","7","3","5","1","1") = "7"
    & skf18("8","8","7","3","5","2","1") = "7"
    & skf18("8","8","7","3","5","3","1") = "7"
    & skf18("8","8","7","3","5","4","1") = "7"
    & skf18("8","8","7","3","5","5","1") = "7"
    & skf18("8","8","7","3","5","6","1") = "7"
    & skf18("8","8","7","3","5","7","1") = "7"
    & skf18("8","8","7","3","5","8","1") = "7"
    & skf18("8","8","7","3","5","9","1") = "8"
    & skf18("8","8","7","3","5","10","1") = "9"
    & skf18("8","8","7","3","6","1","1") = "7"
    & skf18("8","8","7","3","6","2","1") = "7"
    & skf18("8","8","7","3","6","3","1") = "7"
    & skf18("8","8","7","3","6","4","1") = "7"
    & skf18("8","8","7","3","6","5","1") = "7"
    & skf18("8","8","7","3","6","6","1") = "7"
    & skf18("8","8","7","3","6","7","1") = "7"
    & skf18("8","8","7","3","6","8","1") = "7"
    & skf18("8","8","7","3","6","9","1") = "8"
    & skf18("8","8","7","3","6","10","1") = "9"
    & skf18("8","8","7","3","7","1","1") = "7"
    & skf18("8","8","7","3","7","2","1") = "7"
    & skf18("8","8","7","3","7","3","1") = "7"
    & skf18("8","8","7","3","7","4","1") = "7"
    & skf18("8","8","7","3","7","5","1") = "7"
    & skf18("8","8","7","3","7","6","1") = "7"
    & skf18("8","8","7","3","7","7","1") = "7"
    & skf18("8","8","7","3","7","8","1") = "7"
    & skf18("8","8","7","3","7","9","1") = "8"
    & skf18("8","8","7","3","7","10","1") = "9"
    & skf18("8","8","7","3","8","1","1") = "7"
    & skf18("8","8","7","3","8","2","1") = "7"
    & skf18("8","8","7","3","8","3","1") = "7"
    & skf18("8","8","7","3","8","4","1") = "7"
    & skf18("8","8","7","3","8","5","1") = "7"
    & skf18("8","8","7","3","8","6","1") = "7"
    & skf18("8","8","7","3","8","7","1") = "7"
    & skf18("8","8","7","3","8","8","1") = "7"
    & skf18("8","8","7","3","8","9","1") = "8"
    & skf18("8","8","7","3","8","10","1") = "9"
    & skf18("8","8","7","3","9","1","1") = "8"
    & skf18("8","8","7","3","9","2","1") = "8"
    & skf18("8","8","7","3","9","3","1") = "8"
    & skf18("8","8","7","3","9","4","1") = "8"
    & skf18("8","8","7","3","9","5","1") = "8"
    & skf18("8","8","7","3","9","6","1") = "8"
    & skf18("8","8","7","3","9","7","1") = "8"
    & skf18("8","8","7","3","9","8","1") = "8"
    & skf18("8","8","7","3","9","9","1") = "8"
    & skf18("8","8","7","3","9","10","1") = "9"
    & skf18("8","8","7","3","10","1","1") = "9"
    & skf18("8","8","7","3","10","2","1") = "9"
    & skf18("8","8","7","3","10","3","1") = "9"
    & skf18("8","8","7","3","10","4","1") = "9"
    & skf18("8","8","7","3","10","5","1") = "9"
    & skf18("8","8","7","3","10","6","1") = "9"
    & skf18("8","8","7","3","10","7","1") = "9"
    & skf18("8","8","7","3","10","8","1") = "9"
    & skf18("8","8","7","3","10","9","1") = "9"
    & skf18("8","8","7","3","10","10","1") = "9"
    & skf18("8","8","7","4","1","1","1") = "7"
    & skf18("8","8","7","4","1","2","1") = "7"
    & skf18("8","8","7","4","1","3","1") = "7"
    & skf18("8","8","7","4","1","4","1") = "7"
    & skf18("8","8","7","4","1","5","1") = "7"
    & skf18("8","8","7","4","1","6","1") = "7"
    & skf18("8","8","7","4","1","7","1") = "7"
    & skf18("8","8","7","4","1","8","1") = "7"
    & skf18("8","8","7","4","1","9","1") = "8"
    & skf18("8","8","7","4","1","10","1") = "9"
    & skf18("8","8","7","4","2","1","1") = "7"
    & skf18("8","8","7","4","2","2","1") = "7"
    & skf18("8","8","7","4","2","3","1") = "7"
    & skf18("8","8","7","4","2","4","1") = "7"
    & skf18("8","8","7","4","2","5","1") = "7"
    & skf18("8","8","7","4","2","6","1") = "7"
    & skf18("8","8","7","4","2","7","1") = "7"
    & skf18("8","8","7","4","2","8","1") = "7"
    & skf18("8","8","7","4","2","9","1") = "8"
    & skf18("8","8","7","4","2","10","1") = "9"
    & skf18("8","8","7","4","3","1","1") = "7"
    & skf18("8","8","7","4","3","2","1") = "7"
    & skf18("8","8","7","4","3","3","1") = "7"
    & skf18("8","8","7","4","3","4","1") = "7"
    & skf18("8","8","7","4","3","5","1") = "7"
    & skf18("8","8","7","4","3","6","1") = "7"
    & skf18("8","8","7","4","3","7","1") = "7"
    & skf18("8","8","7","4","3","8","1") = "7"
    & skf18("8","8","7","4","3","9","1") = "8"
    & skf18("8","8","7","4","3","10","1") = "9"
    & skf18("8","8","7","4","4","1","1") = "7"
    & skf18("8","8","7","4","4","2","1") = "7"
    & skf18("8","8","7","4","4","3","1") = "7"
    & skf18("8","8","7","4","4","4","1") = "7"
    & skf18("8","8","7","4","4","5","1") = "7"
    & skf18("8","8","7","4","4","6","1") = "7"
    & skf18("8","8","7","4","4","7","1") = "7"
    & skf18("8","8","7","4","4","8","1") = "7"
    & skf18("8","8","7","4","4","9","1") = "8"
    & skf18("8","8","7","4","4","10","1") = "9"
    & skf18("8","8","7","4","5","1","1") = "7"
    & skf18("8","8","7","4","5","2","1") = "7"
    & skf18("8","8","7","4","5","3","1") = "7"
    & skf18("8","8","7","4","5","4","1") = "7"
    & skf18("8","8","7","4","5","5","1") = "7"
    & skf18("8","8","7","4","5","6","1") = "7"
    & skf18("8","8","7","4","5","7","1") = "7"
    & skf18("8","8","7","4","5","8","1") = "7"
    & skf18("8","8","7","4","5","9","1") = "8"
    & skf18("8","8","7","4","5","10","1") = "9"
    & skf18("8","8","7","4","6","1","1") = "7"
    & skf18("8","8","7","4","6","2","1") = "7"
    & skf18("8","8","7","4","6","3","1") = "7"
    & skf18("8","8","7","4","6","4","1") = "7"
    & skf18("8","8","7","4","6","5","1") = "7"
    & skf18("8","8","7","4","6","6","1") = "7"
    & skf18("8","8","7","4","6","7","1") = "7"
    & skf18("8","8","7","4","6","8","1") = "7"
    & skf18("8","8","7","4","6","9","1") = "8"
    & skf18("8","8","7","4","6","10","1") = "9"
    & skf18("8","8","7","4","7","1","1") = "7"
    & skf18("8","8","7","4","7","2","1") = "7"
    & skf18("8","8","7","4","7","3","1") = "7"
    & skf18("8","8","7","4","7","4","1") = "7"
    & skf18("8","8","7","4","7","5","1") = "7"
    & skf18("8","8","7","4","7","6","1") = "7"
    & skf18("8","8","7","4","7","7","1") = "7"
    & skf18("8","8","7","4","7","8","1") = "7"
    & skf18("8","8","7","4","7","9","1") = "8"
    & skf18("8","8","7","4","7","10","1") = "9"
    & skf18("8","8","7","4","8","1","1") = "7"
    & skf18("8","8","7","4","8","2","1") = "7"
    & skf18("8","8","7","4","8","3","1") = "7"
    & skf18("8","8","7","4","8","4","1") = "7"
    & skf18("8","8","7","4","8","5","1") = "7"
    & skf18("8","8","7","4","8","6","1") = "7"
    & skf18("8","8","7","4","8","7","1") = "7"
    & skf18("8","8","7","4","8","8","1") = "7"
    & skf18("8","8","7","4","8","9","1") = "8"
    & skf18("8","8","7","4","8","10","1") = "9"
    & skf18("8","8","7","4","9","1","1") = "8"
    & skf18("8","8","7","4","9","2","1") = "8"
    & skf18("8","8","7","4","9","3","1") = "8"
    & skf18("8","8","7","4","9","4","1") = "8"
    & skf18("8","8","7","4","9","5","1") = "8"
    & skf18("8","8","7","4","9","6","1") = "8"
    & skf18("8","8","7","4","9","7","1") = "8"
    & skf18("8","8","7","4","9","8","1") = "8"
    & skf18("8","8","7","4","9","9","1") = "8"
    & skf18("8","8","7","4","9","10","1") = "9"
    & skf18("8","8","7","4","10","1","1") = "9"
    & skf18("8","8","7","4","10","2","1") = "9"
    & skf18("8","8","7","4","10","3","1") = "9"
    & skf18("8","8","7","4","10","4","1") = "9"
    & skf18("8","8","7","4","10","5","1") = "9"
    & skf18("8","8","7","4","10","6","1") = "9"
    & skf18("8","8","7","4","10","7","1") = "9"
    & skf18("8","8","7","4","10","8","1") = "9"
    & skf18("8","8","7","4","10","9","1") = "9"
    & skf18("8","8","7","4","10","10","1") = "9"
    & skf18("8","8","7","5","1","1","1") = "7"
    & skf18("8","8","7","5","1","2","1") = "7"
    & skf18("8","8","7","5","1","3","1") = "7"
    & skf18("8","8","7","5","1","4","1") = "7"
    & skf18("8","8","7","5","1","5","1") = "7"
    & skf18("8","8","7","5","1","6","1") = "7"
    & skf18("8","8","7","5","1","7","1") = "7"
    & skf18("8","8","7","5","1","8","1") = "7"
    & skf18("8","8","7","5","1","9","1") = "8"
    & skf18("8","8","7","5","1","10","1") = "9"
    & skf18("8","8","7","5","2","1","1") = "7"
    & skf18("8","8","7","5","2","2","1") = "7"
    & skf18("8","8","7","5","2","3","1") = "7"
    & skf18("8","8","7","5","2","4","1") = "7"
    & skf18("8","8","7","5","2","5","1") = "7"
    & skf18("8","8","7","5","2","6","1") = "7"
    & skf18("8","8","7","5","2","7","1") = "7"
    & skf18("8","8","7","5","2","8","1") = "7"
    & skf18("8","8","7","5","2","9","1") = "8"
    & skf18("8","8","7","5","2","10","1") = "9"
    & skf18("8","8","7","5","3","1","1") = "7"
    & skf18("8","8","7","5","3","2","1") = "7"
    & skf18("8","8","7","5","3","3","1") = "7"
    & skf18("8","8","7","5","3","4","1") = "7"
    & skf18("8","8","7","5","3","5","1") = "7"
    & skf18("8","8","7","5","3","6","1") = "7"
    & skf18("8","8","7","5","3","7","1") = "7"
    & skf18("8","8","7","5","3","8","1") = "7"
    & skf18("8","8","7","5","3","9","1") = "8"
    & skf18("8","8","7","5","3","10","1") = "9"
    & skf18("8","8","7","5","4","1","1") = "7"
    & skf18("8","8","7","5","4","2","1") = "7"
    & skf18("8","8","7","5","4","3","1") = "7"
    & skf18("8","8","7","5","4","4","1") = "7"
    & skf18("8","8","7","5","4","5","1") = "7"
    & skf18("8","8","7","5","4","6","1") = "7"
    & skf18("8","8","7","5","4","7","1") = "7"
    & skf18("8","8","7","5","4","8","1") = "7"
    & skf18("8","8","7","5","4","9","1") = "8"
    & skf18("8","8","7","5","4","10","1") = "9"
    & skf18("8","8","7","5","5","1","1") = "7"
    & skf18("8","8","7","5","5","2","1") = "7"
    & skf18("8","8","7","5","5","3","1") = "7"
    & skf18("8","8","7","5","5","4","1") = "7"
    & skf18("8","8","7","5","5","5","1") = "7"
    & skf18("8","8","7","5","5","6","1") = "7"
    & skf18("8","8","7","5","5","7","1") = "7"
    & skf18("8","8","7","5","5","8","1") = "7"
    & skf18("8","8","7","5","5","9","1") = "8"
    & skf18("8","8","7","5","5","10","1") = "9"
    & skf18("8","8","7","5","6","1","1") = "7"
    & skf18("8","8","7","5","6","2","1") = "7"
    & skf18("8","8","7","5","6","3","1") = "7"
    & skf18("8","8","7","5","6","4","1") = "7"
    & skf18("8","8","7","5","6","5","1") = "7"
    & skf18("8","8","7","5","6","6","1") = "7"
    & skf18("8","8","7","5","6","7","1") = "7"
    & skf18("8","8","7","5","6","8","1") = "7"
    & skf18("8","8","7","5","6","9","1") = "8"
    & skf18("8","8","7","5","6","10","1") = "9"
    & skf18("8","8","7","5","7","1","1") = "7"
    & skf18("8","8","7","5","7","2","1") = "7"
    & skf18("8","8","7","5","7","3","1") = "7"
    & skf18("8","8","7","5","7","4","1") = "7"
    & skf18("8","8","7","5","7","5","1") = "7"
    & skf18("8","8","7","5","7","6","1") = "7"
    & skf18("8","8","7","5","7","7","1") = "7"
    & skf18("8","8","7","5","7","8","1") = "7"
    & skf18("8","8","7","5","7","9","1") = "8"
    & skf18("8","8","7","5","7","10","1") = "9"
    & skf18("8","8","7","5","8","1","1") = "7"
    & skf18("8","8","7","5","8","2","1") = "7"
    & skf18("8","8","7","5","8","3","1") = "7"
    & skf18("8","8","7","5","8","4","1") = "7"
    & skf18("8","8","7","5","8","5","1") = "7"
    & skf18("8","8","7","5","8","6","1") = "7"
    & skf18("8","8","7","5","8","7","1") = "7"
    & skf18("8","8","7","5","8","8","1") = "7"
    & skf18("8","8","7","5","8","9","1") = "8"
    & skf18("8","8","7","5","8","10","1") = "9"
    & skf18("8","8","7","5","9","1","1") = "8"
    & skf18("8","8","7","5","9","2","1") = "8"
    & skf18("8","8","7","5","9","3","1") = "8"
    & skf18("8","8","7","5","9","4","1") = "8"
    & skf18("8","8","7","5","9","5","1") = "8"
    & skf18("8","8","7","5","9","6","1") = "8"
    & skf18("8","8","7","5","9","7","1") = "8"
    & skf18("8","8","7","5","9","8","1") = "8"
    & skf18("8","8","7","5","9","9","1") = "8"
    & skf18("8","8","7","5","9","10","1") = "9"
    & skf18("8","8","7","5","10","1","1") = "9"
    & skf18("8","8","7","5","10","2","1") = "9"
    & skf18("8","8","7","5","10","3","1") = "9"
    & skf18("8","8","7","5","10","4","1") = "9"
    & skf18("8","8","7","5","10","5","1") = "9"
    & skf18("8","8","7","5","10","6","1") = "9"
    & skf18("8","8","7","5","10","7","1") = "9"
    & skf18("8","8","7","5","10","8","1") = "9"
    & skf18("8","8","7","5","10","9","1") = "9"
    & skf18("8","8","7","5","10","10","1") = "9"
    & skf18("8","8","7","6","1","1","1") = "7"
    & skf18("8","8","7","6","1","2","1") = "7"
    & skf18("8","8","7","6","1","3","1") = "7"
    & skf18("8","8","7","6","1","4","1") = "7"
    & skf18("8","8","7","6","1","5","1") = "7"
    & skf18("8","8","7","6","1","6","1") = "7"
    & skf18("8","8","7","6","1","7","1") = "7"
    & skf18("8","8","7","6","1","8","1") = "7"
    & skf18("8","8","7","6","1","9","1") = "8"
    & skf18("8","8","7","6","1","10","1") = "9"
    & skf18("8","8","7","6","2","1","1") = "7"
    & skf18("8","8","7","6","2","2","1") = "7"
    & skf18("8","8","7","6","2","3","1") = "7"
    & skf18("8","8","7","6","2","4","1") = "7"
    & skf18("8","8","7","6","2","5","1") = "7"
    & skf18("8","8","7","6","2","6","1") = "7"
    & skf18("8","8","7","6","2","7","1") = "7"
    & skf18("8","8","7","6","2","8","1") = "7"
    & skf18("8","8","7","6","2","9","1") = "8"
    & skf18("8","8","7","6","2","10","1") = "9"
    & skf18("8","8","7","6","3","1","1") = "7"
    & skf18("8","8","7","6","3","2","1") = "7"
    & skf18("8","8","7","6","3","3","1") = "7"
    & skf18("8","8","7","6","3","4","1") = "7"
    & skf18("8","8","7","6","3","5","1") = "7"
    & skf18("8","8","7","6","3","6","1") = "7"
    & skf18("8","8","7","6","3","7","1") = "7"
    & skf18("8","8","7","6","3","8","1") = "7"
    & skf18("8","8","7","6","3","9","1") = "8"
    & skf18("8","8","7","6","3","10","1") = "9"
    & skf18("8","8","7","6","4","1","1") = "7"
    & skf18("8","8","7","6","4","2","1") = "7"
    & skf18("8","8","7","6","4","3","1") = "7"
    & skf18("8","8","7","6","4","4","1") = "7"
    & skf18("8","8","7","6","4","5","1") = "7"
    & skf18("8","8","7","6","4","6","1") = "7"
    & skf18("8","8","7","6","4","7","1") = "7"
    & skf18("8","8","7","6","4","8","1") = "7"
    & skf18("8","8","7","6","4","9","1") = "8"
    & skf18("8","8","7","6","4","10","1") = "9"
    & skf18("8","8","7","6","5","1","1") = "7"
    & skf18("8","8","7","6","5","2","1") = "7"
    & skf18("8","8","7","6","5","3","1") = "7"
    & skf18("8","8","7","6","5","4","1") = "7"
    & skf18("8","8","7","6","5","5","1") = "7"
    & skf18("8","8","7","6","5","6","1") = "7"
    & skf18("8","8","7","6","5","7","1") = "7"
    & skf18("8","8","7","6","5","8","1") = "7"
    & skf18("8","8","7","6","5","9","1") = "8"
    & skf18("8","8","7","6","5","10","1") = "9"
    & skf18("8","8","7","6","6","1","1") = "7"
    & skf18("8","8","7","6","6","2","1") = "7"
    & skf18("8","8","7","6","6","3","1") = "7"
    & skf18("8","8","7","6","6","4","1") = "7"
    & skf18("8","8","7","6","6","5","1") = "7"
    & skf18("8","8","7","6","6","6","1") = "7"
    & skf18("8","8","7","6","6","7","1") = "7"
    & skf18("8","8","7","6","6","8","1") = "7"
    & skf18("8","8","7","6","6","9","1") = "8"
    & skf18("8","8","7","6","6","10","1") = "9"
    & skf18("8","8","7","6","7","1","1") = "7"
    & skf18("8","8","7","6","7","2","1") = "7"
    & skf18("8","8","7","6","7","3","1") = "7"
    & skf18("8","8","7","6","7","4","1") = "7"
    & skf18("8","8","7","6","7","5","1") = "7"
    & skf18("8","8","7","6","7","6","1") = "7"
    & skf18("8","8","7","6","7","7","1") = "7"
    & skf18("8","8","7","6","7","8","1") = "7"
    & skf18("8","8","7","6","7","9","1") = "8"
    & skf18("8","8","7","6","7","10","1") = "9"
    & skf18("8","8","7","6","8","1","1") = "7"
    & skf18("8","8","7","6","8","2","1") = "7"
    & skf18("8","8","7","6","8","3","1") = "7"
    & skf18("8","8","7","6","8","4","1") = "7"
    & skf18("8","8","7","6","8","5","1") = "7"
    & skf18("8","8","7","6","8","6","1") = "7"
    & skf18("8","8","7","6","8","7","1") = "7"
    & skf18("8","8","7","6","8","8","1") = "7"
    & skf18("8","8","7","6","8","9","1") = "8"
    & skf18("8","8","7","6","8","10","1") = "9"
    & skf18("8","8","7","6","9","1","1") = "8"
    & skf18("8","8","7","6","9","2","1") = "8"
    & skf18("8","8","7","6","9","3","1") = "8"
    & skf18("8","8","7","6","9","4","1") = "8"
    & skf18("8","8","7","6","9","5","1") = "8"
    & skf18("8","8","7","6","9","6","1") = "8"
    & skf18("8","8","7","6","9","7","1") = "8"
    & skf18("8","8","7","6","9","8","1") = "8"
    & skf18("8","8","7","6","9","9","1") = "8"
    & skf18("8","8","7","6","9","10","1") = "9"
    & skf18("8","8","7","6","10","1","1") = "9"
    & skf18("8","8","7","6","10","2","1") = "9"
    & skf18("8","8","7","6","10","3","1") = "9"
    & skf18("8","8","7","6","10","4","1") = "9"
    & skf18("8","8","7","6","10","5","1") = "9"
    & skf18("8","8","7","6","10","6","1") = "9"
    & skf18("8","8","7","6","10","7","1") = "9"
    & skf18("8","8","7","6","10","8","1") = "9"
    & skf18("8","8","7","6","10","9","1") = "9"
    & skf18("8","8","7","6","10","10","1") = "9"
    & skf18("8","8","7","7","1","1","1") = "7"
    & skf18("8","8","7","7","1","2","1") = "7"
    & skf18("8","8","7","7","1","3","1") = "7"
    & skf18("8","8","7","7","1","4","1") = "7"
    & skf18("8","8","7","7","1","5","1") = "7"
    & skf18("8","8","7","7","1","6","1") = "7"
    & skf18("8","8","7","7","1","7","1") = "7"
    & skf18("8","8","7","7","1","8","1") = "7"
    & skf18("8","8","7","7","1","9","1") = "8"
    & skf18("8","8","7","7","1","10","1") = "9"
    & skf18("8","8","7","7","2","1","1") = "7"
    & skf18("8","8","7","7","2","2","1") = "7"
    & skf18("8","8","7","7","2","3","1") = "7"
    & skf18("8","8","7","7","2","4","1") = "7"
    & skf18("8","8","7","7","2","5","1") = "7"
    & skf18("8","8","7","7","2","6","1") = "7"
    & skf18("8","8","7","7","2","7","1") = "7"
    & skf18("8","8","7","7","2","8","1") = "7"
    & skf18("8","8","7","7","2","9","1") = "8"
    & skf18("8","8","7","7","2","10","1") = "9"
    & skf18("8","8","7","7","3","1","1") = "7"
    & skf18("8","8","7","7","3","2","1") = "7"
    & skf18("8","8","7","7","3","3","1") = "7"
    & skf18("8","8","7","7","3","4","1") = "7"
    & skf18("8","8","7","7","3","5","1") = "7"
    & skf18("8","8","7","7","3","6","1") = "7"
    & skf18("8","8","7","7","3","7","1") = "7"
    & skf18("8","8","7","7","3","8","1") = "7"
    & skf18("8","8","7","7","3","9","1") = "8"
    & skf18("8","8","7","7","3","10","1") = "9"
    & skf18("8","8","7","7","4","1","1") = "7"
    & skf18("8","8","7","7","4","2","1") = "7"
    & skf18("8","8","7","7","4","3","1") = "7"
    & skf18("8","8","7","7","4","4","1") = "7"
    & skf18("8","8","7","7","4","5","1") = "7"
    & skf18("8","8","7","7","4","6","1") = "7"
    & skf18("8","8","7","7","4","7","1") = "7"
    & skf18("8","8","7","7","4","8","1") = "7"
    & skf18("8","8","7","7","4","9","1") = "8"
    & skf18("8","8","7","7","4","10","1") = "9"
    & skf18("8","8","7","7","5","1","1") = "7"
    & skf18("8","8","7","7","5","2","1") = "7"
    & skf18("8","8","7","7","5","3","1") = "7"
    & skf18("8","8","7","7","5","4","1") = "7"
    & skf18("8","8","7","7","5","5","1") = "7"
    & skf18("8","8","7","7","5","6","1") = "7"
    & skf18("8","8","7","7","5","7","1") = "7"
    & skf18("8","8","7","7","5","8","1") = "7"
    & skf18("8","8","7","7","5","9","1") = "8"
    & skf18("8","8","7","7","5","10","1") = "9"
    & skf18("8","8","7","7","6","1","1") = "7"
    & skf18("8","8","7","7","6","2","1") = "7"
    & skf18("8","8","7","7","6","3","1") = "7"
    & skf18("8","8","7","7","6","4","1") = "7"
    & skf18("8","8","7","7","6","5","1") = "7"
    & skf18("8","8","7","7","6","6","1") = "7"
    & skf18("8","8","7","7","6","7","1") = "7"
    & skf18("8","8","7","7","6","8","1") = "7"
    & skf18("8","8","7","7","6","9","1") = "8"
    & skf18("8","8","7","7","6","10","1") = "9"
    & skf18("8","8","7","7","7","1","1") = "7"
    & skf18("8","8","7","7","7","2","1") = "7"
    & skf18("8","8","7","7","7","3","1") = "7"
    & skf18("8","8","7","7","7","4","1") = "7"
    & skf18("8","8","7","7","7","5","1") = "7"
    & skf18("8","8","7","7","7","6","1") = "7"
    & skf18("8","8","7","7","7","7","1") = "7"
    & skf18("8","8","7","7","7","8","1") = "7"
    & skf18("8","8","7","7","7","9","1") = "8"
    & skf18("8","8","7","7","7","10","1") = "9"
    & skf18("8","8","7","7","8","1","1") = "7"
    & skf18("8","8","7","7","8","2","1") = "7"
    & skf18("8","8","7","7","8","3","1") = "7"
    & skf18("8","8","7","7","8","4","1") = "7"
    & skf18("8","8","7","7","8","5","1") = "7"
    & skf18("8","8","7","7","8","6","1") = "7"
    & skf18("8","8","7","7","8","7","1") = "7"
    & skf18("8","8","7","7","8","8","1") = "7"
    & skf18("8","8","7","7","8","9","1") = "8"
    & skf18("8","8","7","7","8","10","1") = "9"
    & skf18("8","8","7","7","9","1","1") = "8"
    & skf18("8","8","7","7","9","2","1") = "8"
    & skf18("8","8","7","7","9","3","1") = "8"
    & skf18("8","8","7","7","9","4","1") = "8"
    & skf18("8","8","7","7","9","5","1") = "8"
    & skf18("8","8","7","7","9","6","1") = "8"
    & skf18("8","8","7","7","9","7","1") = "8"
    & skf18("8","8","7","7","9","8","1") = "8"
    & skf18("8","8","7","7","9","9","1") = "8"
    & skf18("8","8","7","7","9","10","1") = "9"
    & skf18("8","8","7","7","10","1","1") = "9"
    & skf18("8","8","7","7","10","2","1") = "9"
    & skf18("8","8","7","7","10","3","1") = "9"
    & skf18("8","8","7","7","10","4","1") = "9"
    & skf18("8","8","7","7","10","5","1") = "9"
    & skf18("8","8","7","7","10","6","1") = "9"
    & skf18("8","8","7","7","10","7","1") = "9"
    & skf18("8","8","7","7","10","8","1") = "9"
    & skf18("8","8","7","7","10","9","1") = "9"
    & skf18("8","8","7","7","10","10","1") = "9"
    & skf18("8","8","7","8","1","1","1") = "7"
    & skf18("8","8","7","8","1","2","1") = "7"
    & skf18("8","8","7","8","1","3","1") = "7"
    & skf18("8","8","7","8","1","4","1") = "7"
    & skf18("8","8","7","8","1","5","1") = "7"
    & skf18("8","8","7","8","1","6","1") = "7"
    & skf18("8","8","7","8","1","7","1") = "7"
    & skf18("8","8","7","8","1","8","1") = "7"
    & skf18("8","8","7","8","1","9","1") = "8"
    & skf18("8","8","7","8","1","10","1") = "9"
    & skf18("8","8","7","8","2","1","1") = "7"
    & skf18("8","8","7","8","2","2","1") = "7"
    & skf18("8","8","7","8","2","3","1") = "7"
    & skf18("8","8","7","8","2","4","1") = "7"
    & skf18("8","8","7","8","2","5","1") = "7"
    & skf18("8","8","7","8","2","6","1") = "7"
    & skf18("8","8","7","8","2","7","1") = "7"
    & skf18("8","8","7","8","2","8","1") = "7"
    & skf18("8","8","7","8","2","9","1") = "8"
    & skf18("8","8","7","8","2","10","1") = "9"
    & skf18("8","8","7","8","3","1","1") = "7"
    & skf18("8","8","7","8","3","2","1") = "7"
    & skf18("8","8","7","8","3","3","1") = "7"
    & skf18("8","8","7","8","3","4","1") = "7"
    & skf18("8","8","7","8","3","5","1") = "7"
    & skf18("8","8","7","8","3","6","1") = "7"
    & skf18("8","8","7","8","3","7","1") = "7"
    & skf18("8","8","7","8","3","8","1") = "7"
    & skf18("8","8","7","8","3","9","1") = "8"
    & skf18("8","8","7","8","3","10","1") = "9"
    & skf18("8","8","7","8","4","1","1") = "7"
    & skf18("8","8","7","8","4","2","1") = "7"
    & skf18("8","8","7","8","4","3","1") = "7"
    & skf18("8","8","7","8","4","4","1") = "7"
    & skf18("8","8","7","8","4","5","1") = "7"
    & skf18("8","8","7","8","4","6","1") = "7"
    & skf18("8","8","7","8","4","7","1") = "7"
    & skf18("8","8","7","8","4","8","1") = "7"
    & skf18("8","8","7","8","4","9","1") = "8"
    & skf18("8","8","7","8","4","10","1") = "9"
    & skf18("8","8","7","8","5","1","1") = "7"
    & skf18("8","8","7","8","5","2","1") = "7"
    & skf18("8","8","7","8","5","3","1") = "7"
    & skf18("8","8","7","8","5","4","1") = "7"
    & skf18("8","8","7","8","5","5","1") = "7"
    & skf18("8","8","7","8","5","6","1") = "7"
    & skf18("8","8","7","8","5","7","1") = "7"
    & skf18("8","8","7","8","5","8","1") = "7"
    & skf18("8","8","7","8","5","9","1") = "8"
    & skf18("8","8","7","8","5","10","1") = "9"
    & skf18("8","8","7","8","6","1","1") = "7"
    & skf18("8","8","7","8","6","2","1") = "7"
    & skf18("8","8","7","8","6","3","1") = "7"
    & skf18("8","8","7","8","6","4","1") = "7"
    & skf18("8","8","7","8","6","5","1") = "7"
    & skf18("8","8","7","8","6","6","1") = "7"
    & skf18("8","8","7","8","6","7","1") = "7"
    & skf18("8","8","7","8","6","8","1") = "7"
    & skf18("8","8","7","8","6","9","1") = "8"
    & skf18("8","8","7","8","6","10","1") = "9"
    & skf18("8","8","7","8","7","1","1") = "7"
    & skf18("8","8","7","8","7","2","1") = "7"
    & skf18("8","8","7","8","7","3","1") = "7"
    & skf18("8","8","7","8","7","4","1") = "7"
    & skf18("8","8","7","8","7","5","1") = "7"
    & skf18("8","8","7","8","7","6","1") = "7"
    & skf18("8","8","7","8","7","7","1") = "7"
    & skf18("8","8","7","8","7","8","1") = "7"
    & skf18("8","8","7","8","7","9","1") = "8"
    & skf18("8","8","7","8","7","10","1") = "9"
    & skf18("8","8","7","8","8","1","1") = "7"
    & skf18("8","8","7","8","8","2","1") = "7"
    & skf18("8","8","7","8","8","3","1") = "7"
    & skf18("8","8","7","8","8","4","1") = "7"
    & skf18("8","8","7","8","8","5","1") = "7"
    & skf18("8","8","7","8","8","6","1") = "7"
    & skf18("8","8","7","8","8","7","1") = "7"
    & skf18("8","8","7","8","8","8","1") = "7"
    & skf18("8","8","7","8","8","9","1") = "8"
    & skf18("8","8","7","8","8","10","1") = "9"
    & skf18("8","8","7","8","9","1","1") = "8"
    & skf18("8","8","7","8","9","2","1") = "8"
    & skf18("8","8","7","8","9","3","1") = "8"
    & skf18("8","8","7","8","9","4","1") = "8"
    & skf18("8","8","7","8","9","5","1") = "8"
    & skf18("8","8","7","8","9","6","1") = "8"
    & skf18("8","8","7","8","9","7","1") = "8"
    & skf18("8","8","7","8","9","8","1") = "8"
    & skf18("8","8","7","8","9","9","1") = "8"
    & skf18("8","8","7","8","9","10","1") = "9"
    & skf18("8","8","7","8","10","1","1") = "9"
    & skf18("8","8","7","8","10","2","1") = "9"
    & skf18("8","8","7","8","10","3","1") = "9"
    & skf18("8","8","7","8","10","4","1") = "9"
    & skf18("8","8","7","8","10","5","1") = "9"
    & skf18("8","8","7","8","10","6","1") = "9"
    & skf18("8","8","7","8","10","7","1") = "9"
    & skf18("8","8","7","8","10","8","1") = "9"
    & skf18("8","8","7","8","10","9","1") = "9"
    & skf18("8","8","7","8","10","10","1") = "9"
    & skf18("8","8","7","9","1","1","1") = "8"
    & skf18("8","8","7","9","1","2","1") = "8"
    & skf18("8","8","7","9","1","3","1") = "8"
    & skf18("8","8","7","9","1","4","1") = "8"
    & skf18("8","8","7","9","1","5","1") = "8"
    & skf18("8","8","7","9","1","6","1") = "8"
    & skf18("8","8","7","9","1","7","1") = "8"
    & skf18("8","8","7","9","1","8","1") = "8"
    & skf18("8","8","7","9","1","9","1") = "8"
    & skf18("8","8","7","9","1","10","1") = "9"
    & skf18("8","8","7","9","2","1","1") = "8"
    & skf18("8","8","7","9","2","2","1") = "8"
    & skf18("8","8","7","9","2","3","1") = "8"
    & skf18("8","8","7","9","2","4","1") = "8"
    & skf18("8","8","7","9","2","5","1") = "8"
    & skf18("8","8","7","9","2","6","1") = "8"
    & skf18("8","8","7","9","2","7","1") = "8"
    & skf18("8","8","7","9","2","8","1") = "8"
    & skf18("8","8","7","9","2","9","1") = "8"
    & skf18("8","8","7","9","2","10","1") = "9"
    & skf18("8","8","7","9","3","1","1") = "8"
    & skf18("8","8","7","9","3","2","1") = "8"
    & skf18("8","8","7","9","3","3","1") = "8"
    & skf18("8","8","7","9","3","4","1") = "8"
    & skf18("8","8","7","9","3","5","1") = "8"
    & skf18("8","8","7","9","3","6","1") = "8"
    & skf18("8","8","7","9","3","7","1") = "8"
    & skf18("8","8","7","9","3","8","1") = "8"
    & skf18("8","8","7","9","3","9","1") = "8"
    & skf18("8","8","7","9","3","10","1") = "9"
    & skf18("8","8","7","9","4","1","1") = "8"
    & skf18("8","8","7","9","4","2","1") = "8"
    & skf18("8","8","7","9","4","3","1") = "8"
    & skf18("8","8","7","9","4","4","1") = "8"
    & skf18("8","8","7","9","4","5","1") = "8"
    & skf18("8","8","7","9","4","6","1") = "8"
    & skf18("8","8","7","9","4","7","1") = "8"
    & skf18("8","8","7","9","4","8","1") = "8"
    & skf18("8","8","7","9","4","9","1") = "8"
    & skf18("8","8","7","9","4","10","1") = "9"
    & skf18("8","8","7","9","5","1","1") = "8"
    & skf18("8","8","7","9","5","2","1") = "8"
    & skf18("8","8","7","9","5","3","1") = "8"
    & skf18("8","8","7","9","5","4","1") = "8"
    & skf18("8","8","7","9","5","5","1") = "8"
    & skf18("8","8","7","9","5","6","1") = "8"
    & skf18("8","8","7","9","5","7","1") = "8"
    & skf18("8","8","7","9","5","8","1") = "8"
    & skf18("8","8","7","9","5","9","1") = "8"
    & skf18("8","8","7","9","5","10","1") = "9"
    & skf18("8","8","7","9","6","1","1") = "8"
    & skf18("8","8","7","9","6","2","1") = "8"
    & skf18("8","8","7","9","6","3","1") = "8"
    & skf18("8","8","7","9","6","4","1") = "8"
    & skf18("8","8","7","9","6","5","1") = "8"
    & skf18("8","8","7","9","6","6","1") = "8"
    & skf18("8","8","7","9","6","7","1") = "8"
    & skf18("8","8","7","9","6","8","1") = "8"
    & skf18("8","8","7","9","6","9","1") = "8"
    & skf18("8","8","7","9","6","10","1") = "9"
    & skf18("8","8","7","9","7","1","1") = "8"
    & skf18("8","8","7","9","7","2","1") = "8"
    & skf18("8","8","7","9","7","3","1") = "8"
    & skf18("8","8","7","9","7","4","1") = "8"
    & skf18("8","8","7","9","7","5","1") = "8"
    & skf18("8","8","7","9","7","6","1") = "8"
    & skf18("8","8","7","9","7","7","1") = "8"
    & skf18("8","8","7","9","7","8","1") = "8"
    & skf18("8","8","7","9","7","9","1") = "8"
    & skf18("8","8","7","9","7","10","1") = "9"
    & skf18("8","8","7","9","8","1","1") = "8"
    & skf18("8","8","7","9","8","2","1") = "8"
    & skf18("8","8","7","9","8","3","1") = "8"
    & skf18("8","8","7","9","8","4","1") = "8"
    & skf18("8","8","7","9","8","5","1") = "8"
    & skf18("8","8","7","9","8","6","1") = "8"
    & skf18("8","8","7","9","8","7","1") = "8"
    & skf18("8","8","7","9","8","8","1") = "8"
    & skf18("8","8","7","9","8","9","1") = "8"
    & skf18("8","8","7","9","8","10","1") = "9"
    & skf18("8","8","7","9","9","1","1") = "8"
    & skf18("8","8","7","9","9","2","1") = "8"
    & skf18("8","8","7","9","9","3","1") = "8"
    & skf18("8","8","7","9","9","4","1") = "8"
    & skf18("8","8","7","9","9","5","1") = "8"
    & skf18("8","8","7","9","9","6","1") = "8"
    & skf18("8","8","7","9","9","7","1") = "8"
    & skf18("8","8","7","9","9","8","1") = "8"
    & skf18("8","8","7","9","9","9","1") = "8"
    & skf18("8","8","7","9","9","10","1") = "9"
    & skf18("8","8","7","9","10","1","1") = "9"
    & skf18("8","8","7","9","10","2","1") = "9"
    & skf18("8","8","7","9","10","3","1") = "9"
    & skf18("8","8","7","9","10","4","1") = "9"
    & skf18("8","8","7","9","10","5","1") = "9"
    & skf18("8","8","7","9","10","6","1") = "9"
    & skf18("8","8","7","9","10","7","1") = "9"
    & skf18("8","8","7","9","10","8","1") = "9"
    & skf18("8","8","7","9","10","9","1") = "9"
    & skf18("8","8","7","9","10","10","1") = "9"
    & skf18("8","8","7","10","1","1","1") = "9"
    & skf18("8","8","7","10","1","2","1") = "9"
    & skf18("8","8","7","10","1","3","1") = "9"
    & skf18("8","8","7","10","1","4","1") = "9"
    & skf18("8","8","7","10","1","5","1") = "9"
    & skf18("8","8","7","10","1","6","1") = "9"
    & skf18("8","8","7","10","1","7","1") = "9"
    & skf18("8","8","7","10","1","8","1") = "9"
    & skf18("8","8","7","10","1","9","1") = "9"
    & skf18("8","8","7","10","1","10","1") = "9"
    & skf18("8","8","7","10","2","1","1") = "9"
    & skf18("8","8","7","10","2","2","1") = "9"
    & skf18("8","8","7","10","2","3","1") = "9"
    & skf18("8","8","7","10","2","4","1") = "9"
    & skf18("8","8","7","10","2","5","1") = "9"
    & skf18("8","8","7","10","2","6","1") = "9"
    & skf18("8","8","7","10","2","7","1") = "9"
    & skf18("8","8","7","10","2","8","1") = "9"
    & skf18("8","8","7","10","2","9","1") = "9"
    & skf18("8","8","7","10","2","10","1") = "9"
    & skf18("8","8","7","10","3","1","1") = "9"
    & skf18("8","8","7","10","3","2","1") = "9"
    & skf18("8","8","7","10","3","3","1") = "9"
    & skf18("8","8","7","10","3","4","1") = "9"
    & skf18("8","8","7","10","3","5","1") = "9"
    & skf18("8","8","7","10","3","6","1") = "9"
    & skf18("8","8","7","10","3","7","1") = "9"
    & skf18("8","8","7","10","3","8","1") = "9"
    & skf18("8","8","7","10","3","9","1") = "9"
    & skf18("8","8","7","10","3","10","1") = "9"
    & skf18("8","8","7","10","4","1","1") = "9"
    & skf18("8","8","7","10","4","2","1") = "9"
    & skf18("8","8","7","10","4","3","1") = "9"
    & skf18("8","8","7","10","4","4","1") = "9"
    & skf18("8","8","7","10","4","5","1") = "9"
    & skf18("8","8","7","10","4","6","1") = "9"
    & skf18("8","8","7","10","4","7","1") = "9"
    & skf18("8","8","7","10","4","8","1") = "9"
    & skf18("8","8","7","10","4","9","1") = "9"
    & skf18("8","8","7","10","4","10","1") = "9"
    & skf18("8","8","7","10","5","1","1") = "9"
    & skf18("8","8","7","10","5","2","1") = "9"
    & skf18("8","8","7","10","5","3","1") = "9"
    & skf18("8","8","7","10","5","4","1") = "9"
    & skf18("8","8","7","10","5","5","1") = "9"
    & skf18("8","8","7","10","5","6","1") = "9"
    & skf18("8","8","7","10","5","7","1") = "9"
    & skf18("8","8","7","10","5","8","1") = "9"
    & skf18("8","8","7","10","5","9","1") = "9"
    & skf18("8","8","7","10","5","10","1") = "9"
    & skf18("8","8","7","10","6","1","1") = "9"
    & skf18("8","8","7","10","6","2","1") = "9"
    & skf18("8","8","7","10","6","3","1") = "9"
    & skf18("8","8","7","10","6","4","1") = "9"
    & skf18("8","8","7","10","6","5","1") = "9"
    & skf18("8","8","7","10","6","6","1") = "9"
    & skf18("8","8","7","10","6","7","1") = "9"
    & skf18("8","8","7","10","6","8","1") = "9"
    & skf18("8","8","7","10","6","9","1") = "9"
    & skf18("8","8","7","10","6","10","1") = "9"
    & skf18("8","8","7","10","7","1","1") = "9"
    & skf18("8","8","7","10","7","2","1") = "9"
    & skf18("8","8","7","10","7","3","1") = "9"
    & skf18("8","8","7","10","7","4","1") = "9"
    & skf18("8","8","7","10","7","5","1") = "9"
    & skf18("8","8","7","10","7","6","1") = "9"
    & skf18("8","8","7","10","7","7","1") = "9"
    & skf18("8","8","7","10","7","8","1") = "9"
    & skf18("8","8","7","10","7","9","1") = "9"
    & skf18("8","8","7","10","7","10","1") = "9"
    & skf18("8","8","7","10","8","1","1") = "9"
    & skf18("8","8","7","10","8","2","1") = "9"
    & skf18("8","8","7","10","8","3","1") = "9"
    & skf18("8","8","7","10","8","4","1") = "9"
    & skf18("8","8","7","10","8","5","1") = "9"
    & skf18("8","8","7","10","8","6","1") = "9"
    & skf18("8","8","7","10","8","7","1") = "9"
    & skf18("8","8","7","10","8","8","1") = "9"
    & skf18("8","8","7","10","8","9","1") = "9"
    & skf18("8","8","7","10","8","10","1") = "9"
    & skf18("8","8","7","10","9","1","1") = "9"
    & skf18("8","8","7","10","9","2","1") = "9"
    & skf18("8","8","7","10","9","3","1") = "9"
    & skf18("8","8","7","10","9","4","1") = "9"
    & skf18("8","8","7","10","9","5","1") = "9"
    & skf18("8","8","7","10","9","6","1") = "9"
    & skf18("8","8","7","10","9","7","1") = "9"
    & skf18("8","8","7","10","9","8","1") = "9"
    & skf18("8","8","7","10","9","9","1") = "9"
    & skf18("8","8","7","10","9","10","1") = "9"
    & skf18("8","8","7","10","10","1","1") = "9"
    & skf18("8","8","7","10","10","2","1") = "9"
    & skf18("8","8","7","10","10","3","1") = "9"
    & skf18("8","8","7","10","10","4","1") = "9"
    & skf18("8","8","7","10","10","5","1") = "9"
    & skf18("8","8","7","10","10","6","1") = "9"
    & skf18("8","8","7","10","10","7","1") = "9"
    & skf18("8","8","7","10","10","8","1") = "9"
    & skf18("8","8","7","10","10","9","1") = "9"
    & skf18("8","8","7","10","10","10","1") = "9"
    & skf18("8","8","8","1","1","1","1") = "7"
    & skf18("8","8","8","1","1","2","1") = "7"
    & skf18("8","8","8","1","1","3","1") = "7"
    & skf18("8","8","8","1","1","4","1") = "7"
    & skf18("8","8","8","1","1","5","1") = "7"
    & skf18("8","8","8","1","1","6","1") = "7"
    & skf18("8","8","8","1","1","7","1") = "7"
    & skf18("8","8","8","1","1","8","1") = "7"
    & skf18("8","8","8","1","1","9","1") = "8"
    & skf18("8","8","8","1","1","10","1") = "9"
    & skf18("8","8","8","1","2","1","1") = "7"
    & skf18("8","8","8","1","2","2","1") = "7"
    & skf18("8","8","8","1","2","3","1") = "7"
    & skf18("8","8","8","1","2","4","1") = "7"
    & skf18("8","8","8","1","2","5","1") = "7"
    & skf18("8","8","8","1","2","6","1") = "7"
    & skf18("8","8","8","1","2","7","1") = "7"
    & skf18("8","8","8","1","2","8","1") = "7"
    & skf18("8","8","8","1","2","9","1") = "8"
    & skf18("8","8","8","1","2","10","1") = "9"
    & skf18("8","8","8","1","3","1","1") = "7"
    & skf18("8","8","8","1","3","2","1") = "7"
    & skf18("8","8","8","1","3","3","1") = "7"
    & skf18("8","8","8","1","3","4","1") = "7"
    & skf18("8","8","8","1","3","5","1") = "7"
    & skf18("8","8","8","1","3","6","1") = "7"
    & skf18("8","8","8","1","3","7","1") = "7"
    & skf18("8","8","8","1","3","8","1") = "7"
    & skf18("8","8","8","1","3","9","1") = "8"
    & skf18("8","8","8","1","3","10","1") = "9"
    & skf18("8","8","8","1","4","1","1") = "7"
    & skf18("8","8","8","1","4","2","1") = "7"
    & skf18("8","8","8","1","4","3","1") = "7"
    & skf18("8","8","8","1","4","4","1") = "7"
    & skf18("8","8","8","1","4","5","1") = "7"
    & skf18("8","8","8","1","4","6","1") = "7"
    & skf18("8","8","8","1","4","7","1") = "7"
    & skf18("8","8","8","1","4","8","1") = "7"
    & skf18("8","8","8","1","4","9","1") = "8"
    & skf18("8","8","8","1","4","10","1") = "9"
    & skf18("8","8","8","1","5","1","1") = "7"
    & skf18("8","8","8","1","5","2","1") = "7"
    & skf18("8","8","8","1","5","3","1") = "7"
    & skf18("8","8","8","1","5","4","1") = "7"
    & skf18("8","8","8","1","5","5","1") = "7"
    & skf18("8","8","8","1","5","6","1") = "7"
    & skf18("8","8","8","1","5","7","1") = "7"
    & skf18("8","8","8","1","5","8","1") = "7"
    & skf18("8","8","8","1","5","9","1") = "8"
    & skf18("8","8","8","1","5","10","1") = "9"
    & skf18("8","8","8","1","6","1","1") = "7"
    & skf18("8","8","8","1","6","2","1") = "7"
    & skf18("8","8","8","1","6","3","1") = "7"
    & skf18("8","8","8","1","6","4","1") = "7"
    & skf18("8","8","8","1","6","5","1") = "7"
    & skf18("8","8","8","1","6","6","1") = "7"
    & skf18("8","8","8","1","6","7","1") = "7"
    & skf18("8","8","8","1","6","8","1") = "7"
    & skf18("8","8","8","1","6","9","1") = "8"
    & skf18("8","8","8","1","6","10","1") = "9"
    & skf18("8","8","8","1","7","1","1") = "7"
    & skf18("8","8","8","1","7","2","1") = "7"
    & skf18("8","8","8","1","7","3","1") = "7"
    & skf18("8","8","8","1","7","4","1") = "7"
    & skf18("8","8","8","1","7","5","1") = "7"
    & skf18("8","8","8","1","7","6","1") = "7"
    & skf18("8","8","8","1","7","7","1") = "7"
    & skf18("8","8","8","1","7","8","1") = "7"
    & skf18("8","8","8","1","7","9","1") = "8"
    & skf18("8","8","8","1","7","10","1") = "9"
    & skf18("8","8","8","1","8","1","1") = "7"
    & skf18("8","8","8","1","8","2","1") = "7"
    & skf18("8","8","8","1","8","3","1") = "7"
    & skf18("8","8","8","1","8","4","1") = "7"
    & skf18("8","8","8","1","8","5","1") = "7"
    & skf18("8","8","8","1","8","6","1") = "7"
    & skf18("8","8","8","1","8","7","1") = "7"
    & skf18("8","8","8","1","8","8","1") = "7"
    & skf18("8","8","8","1","8","9","1") = "8"
    & skf18("8","8","8","1","8","10","1") = "9"
    & skf18("8","8","8","1","9","1","1") = "8"
    & skf18("8","8","8","1","9","2","1") = "8"
    & skf18("8","8","8","1","9","3","1") = "8"
    & skf18("8","8","8","1","9","4","1") = "8"
    & skf18("8","8","8","1","9","5","1") = "8"
    & skf18("8","8","8","1","9","6","1") = "8"
    & skf18("8","8","8","1","9","7","1") = "8"
    & skf18("8","8","8","1","9","8","1") = "8"
    & skf18("8","8","8","1","9","9","1") = "8"
    & skf18("8","8","8","1","9","10","1") = "9"
    & skf18("8","8","8","1","10","1","1") = "9"
    & skf18("8","8","8","1","10","2","1") = "9"
    & skf18("8","8","8","1","10","3","1") = "9"
    & skf18("8","8","8","1","10","4","1") = "9"
    & skf18("8","8","8","1","10","5","1") = "9"
    & skf18("8","8","8","1","10","6","1") = "9"
    & skf18("8","8","8","1","10","7","1") = "9"
    & skf18("8","8","8","1","10","8","1") = "9"
    & skf18("8","8","8","1","10","9","1") = "9"
    & skf18("8","8","8","1","10","10","1") = "9"
    & skf18("8","8","8","2","1","1","1") = "7"
    & skf18("8","8","8","2","1","2","1") = "7"
    & skf18("8","8","8","2","1","3","1") = "7"
    & skf18("8","8","8","2","1","4","1") = "7"
    & skf18("8","8","8","2","1","5","1") = "7"
    & skf18("8","8","8","2","1","6","1") = "7"
    & skf18("8","8","8","2","1","7","1") = "7"
    & skf18("8","8","8","2","1","8","1") = "7"
    & skf18("8","8","8","2","1","9","1") = "8"
    & skf18("8","8","8","2","1","10","1") = "9"
    & skf18("8","8","8","2","2","1","1") = "7"
    & skf18("8","8","8","2","2","2","1") = "7"
    & skf18("8","8","8","2","2","3","1") = "7"
    & skf18("8","8","8","2","2","4","1") = "7"
    & skf18("8","8","8","2","2","5","1") = "7"
    & skf18("8","8","8","2","2","6","1") = "7"
    & skf18("8","8","8","2","2","7","1") = "7"
    & skf18("8","8","8","2","2","8","1") = "7"
    & skf18("8","8","8","2","2","9","1") = "8"
    & skf18("8","8","8","2","2","10","1") = "9"
    & skf18("8","8","8","2","3","1","1") = "7"
    & skf18("8","8","8","2","3","2","1") = "7"
    & skf18("8","8","8","2","3","3","1") = "7"
    & skf18("8","8","8","2","3","4","1") = "7"
    & skf18("8","8","8","2","3","5","1") = "7"
    & skf18("8","8","8","2","3","6","1") = "7"
    & skf18("8","8","8","2","3","7","1") = "7"
    & skf18("8","8","8","2","3","8","1") = "7"
    & skf18("8","8","8","2","3","9","1") = "8"
    & skf18("8","8","8","2","3","10","1") = "9"
    & skf18("8","8","8","2","4","1","1") = "7"
    & skf18("8","8","8","2","4","2","1") = "7"
    & skf18("8","8","8","2","4","3","1") = "7"
    & skf18("8","8","8","2","4","4","1") = "7"
    & skf18("8","8","8","2","4","5","1") = "7"
    & skf18("8","8","8","2","4","6","1") = "7"
    & skf18("8","8","8","2","4","7","1") = "7"
    & skf18("8","8","8","2","4","8","1") = "7"
    & skf18("8","8","8","2","4","9","1") = "8"
    & skf18("8","8","8","2","4","10","1") = "9"
    & skf18("8","8","8","2","5","1","1") = "7"
    & skf18("8","8","8","2","5","2","1") = "7"
    & skf18("8","8","8","2","5","3","1") = "7"
    & skf18("8","8","8","2","5","4","1") = "7"
    & skf18("8","8","8","2","5","5","1") = "7"
    & skf18("8","8","8","2","5","6","1") = "7"
    & skf18("8","8","8","2","5","7","1") = "7"
    & skf18("8","8","8","2","5","8","1") = "7"
    & skf18("8","8","8","2","5","9","1") = "8"
    & skf18("8","8","8","2","5","10","1") = "9"
    & skf18("8","8","8","2","6","1","1") = "7"
    & skf18("8","8","8","2","6","2","1") = "7"
    & skf18("8","8","8","2","6","3","1") = "7"
    & skf18("8","8","8","2","6","4","1") = "7"
    & skf18("8","8","8","2","6","5","1") = "7"
    & skf18("8","8","8","2","6","6","1") = "7"
    & skf18("8","8","8","2","6","7","1") = "7"
    & skf18("8","8","8","2","6","8","1") = "7"
    & skf18("8","8","8","2","6","9","1") = "8"
    & skf18("8","8","8","2","6","10","1") = "9"
    & skf18("8","8","8","2","7","1","1") = "7"
    & skf18("8","8","8","2","7","2","1") = "7"
    & skf18("8","8","8","2","7","3","1") = "7"
    & skf18("8","8","8","2","7","4","1") = "7"
    & skf18("8","8","8","2","7","5","1") = "7"
    & skf18("8","8","8","2","7","6","1") = "7"
    & skf18("8","8","8","2","7","7","1") = "7"
    & skf18("8","8","8","2","7","8","1") = "7"
    & skf18("8","8","8","2","7","9","1") = "8"
    & skf18("8","8","8","2","7","10","1") = "9"
    & skf18("8","8","8","2","8","1","1") = "7"
    & skf18("8","8","8","2","8","2","1") = "7"
    & skf18("8","8","8","2","8","3","1") = "7"
    & skf18("8","8","8","2","8","4","1") = "7"
    & skf18("8","8","8","2","8","5","1") = "7"
    & skf18("8","8","8","2","8","6","1") = "7"
    & skf18("8","8","8","2","8","7","1") = "7"
    & skf18("8","8","8","2","8","8","1") = "7"
    & skf18("8","8","8","2","8","9","1") = "8"
    & skf18("8","8","8","2","8","10","1") = "9"
    & skf18("8","8","8","2","9","1","1") = "8"
    & skf18("8","8","8","2","9","2","1") = "8"
    & skf18("8","8","8","2","9","3","1") = "8"
    & skf18("8","8","8","2","9","4","1") = "8"
    & skf18("8","8","8","2","9","5","1") = "8"
    & skf18("8","8","8","2","9","6","1") = "8"
    & skf18("8","8","8","2","9","7","1") = "8"
    & skf18("8","8","8","2","9","8","1") = "8"
    & skf18("8","8","8","2","9","9","1") = "8"
    & skf18("8","8","8","2","9","10","1") = "9"
    & skf18("8","8","8","2","10","1","1") = "9"
    & skf18("8","8","8","2","10","2","1") = "9"
    & skf18("8","8","8","2","10","3","1") = "9"
    & skf18("8","8","8","2","10","4","1") = "9"
    & skf18("8","8","8","2","10","5","1") = "9"
    & skf18("8","8","8","2","10","6","1") = "9"
    & skf18("8","8","8","2","10","7","1") = "9"
    & skf18("8","8","8","2","10","8","1") = "9"
    & skf18("8","8","8","2","10","9","1") = "9"
    & skf18("8","8","8","2","10","10","1") = "9"
    & skf18("8","8","8","3","1","1","1") = "7"
    & skf18("8","8","8","3","1","2","1") = "7"
    & skf18("8","8","8","3","1","3","1") = "7"
    & skf18("8","8","8","3","1","4","1") = "7"
    & skf18("8","8","8","3","1","5","1") = "7"
    & skf18("8","8","8","3","1","6","1") = "7"
    & skf18("8","8","8","3","1","7","1") = "7"
    & skf18("8","8","8","3","1","8","1") = "7"
    & skf18("8","8","8","3","1","9","1") = "8"
    & skf18("8","8","8","3","1","10","1") = "9"
    & skf18("8","8","8","3","2","1","1") = "7"
    & skf18("8","8","8","3","2","2","1") = "7"
    & skf18("8","8","8","3","2","3","1") = "7"
    & skf18("8","8","8","3","2","4","1") = "7"
    & skf18("8","8","8","3","2","5","1") = "7"
    & skf18("8","8","8","3","2","6","1") = "7"
    & skf18("8","8","8","3","2","7","1") = "7"
    & skf18("8","8","8","3","2","8","1") = "7"
    & skf18("8","8","8","3","2","9","1") = "8"
    & skf18("8","8","8","3","2","10","1") = "9"
    & skf18("8","8","8","3","3","1","1") = "7"
    & skf18("8","8","8","3","3","2","1") = "7"
    & skf18("8","8","8","3","3","3","1") = "7"
    & skf18("8","8","8","3","3","4","1") = "7"
    & skf18("8","8","8","3","3","5","1") = "7"
    & skf18("8","8","8","3","3","6","1") = "7"
    & skf18("8","8","8","3","3","7","1") = "7"
    & skf18("8","8","8","3","3","8","1") = "7"
    & skf18("8","8","8","3","3","9","1") = "8"
    & skf18("8","8","8","3","3","10","1") = "9"
    & skf18("8","8","8","3","4","1","1") = "7"
    & skf18("8","8","8","3","4","2","1") = "7"
    & skf18("8","8","8","3","4","3","1") = "7"
    & skf18("8","8","8","3","4","4","1") = "7"
    & skf18("8","8","8","3","4","5","1") = "7"
    & skf18("8","8","8","3","4","6","1") = "7"
    & skf18("8","8","8","3","4","7","1") = "7"
    & skf18("8","8","8","3","4","8","1") = "7"
    & skf18("8","8","8","3","4","9","1") = "8"
    & skf18("8","8","8","3","4","10","1") = "9"
    & skf18("8","8","8","3","5","1","1") = "7"
    & skf18("8","8","8","3","5","2","1") = "7"
    & skf18("8","8","8","3","5","3","1") = "7"
    & skf18("8","8","8","3","5","4","1") = "7"
    & skf18("8","8","8","3","5","5","1") = "7"
    & skf18("8","8","8","3","5","6","1") = "7"
    & skf18("8","8","8","3","5","7","1") = "7"
    & skf18("8","8","8","3","5","8","1") = "7"
    & skf18("8","8","8","3","5","9","1") = "8"
    & skf18("8","8","8","3","5","10","1") = "9"
    & skf18("8","8","8","3","6","1","1") = "7"
    & skf18("8","8","8","3","6","2","1") = "7"
    & skf18("8","8","8","3","6","3","1") = "7"
    & skf18("8","8","8","3","6","4","1") = "7"
    & skf18("8","8","8","3","6","5","1") = "7"
    & skf18("8","8","8","3","6","6","1") = "7"
    & skf18("8","8","8","3","6","7","1") = "7"
    & skf18("8","8","8","3","6","8","1") = "7"
    & skf18("8","8","8","3","6","9","1") = "8"
    & skf18("8","8","8","3","6","10","1") = "9"
    & skf18("8","8","8","3","7","1","1") = "7"
    & skf18("8","8","8","3","7","2","1") = "7"
    & skf18("8","8","8","3","7","3","1") = "7"
    & skf18("8","8","8","3","7","4","1") = "7"
    & skf18("8","8","8","3","7","5","1") = "7"
    & skf18("8","8","8","3","7","6","1") = "7"
    & skf18("8","8","8","3","7","7","1") = "7"
    & skf18("8","8","8","3","7","8","1") = "7"
    & skf18("8","8","8","3","7","9","1") = "8"
    & skf18("8","8","8","3","7","10","1") = "9"
    & skf18("8","8","8","3","8","1","1") = "7"
    & skf18("8","8","8","3","8","2","1") = "7"
    & skf18("8","8","8","3","8","3","1") = "7"
    & skf18("8","8","8","3","8","4","1") = "7"
    & skf18("8","8","8","3","8","5","1") = "7"
    & skf18("8","8","8","3","8","6","1") = "7"
    & skf18("8","8","8","3","8","7","1") = "7"
    & skf18("8","8","8","3","8","8","1") = "7"
    & skf18("8","8","8","3","8","9","1") = "8"
    & skf18("8","8","8","3","8","10","1") = "9"
    & skf18("8","8","8","3","9","1","1") = "8"
    & skf18("8","8","8","3","9","2","1") = "8"
    & skf18("8","8","8","3","9","3","1") = "8"
    & skf18("8","8","8","3","9","4","1") = "8"
    & skf18("8","8","8","3","9","5","1") = "8"
    & skf18("8","8","8","3","9","6","1") = "8"
    & skf18("8","8","8","3","9","7","1") = "8"
    & skf18("8","8","8","3","9","8","1") = "8"
    & skf18("8","8","8","3","9","9","1") = "8"
    & skf18("8","8","8","3","9","10","1") = "9"
    & skf18("8","8","8","3","10","1","1") = "9"
    & skf18("8","8","8","3","10","2","1") = "9"
    & skf18("8","8","8","3","10","3","1") = "9"
    & skf18("8","8","8","3","10","4","1") = "9"
    & skf18("8","8","8","3","10","5","1") = "9"
    & skf18("8","8","8","3","10","6","1") = "9"
    & skf18("8","8","8","3","10","7","1") = "9"
    & skf18("8","8","8","3","10","8","1") = "9"
    & skf18("8","8","8","3","10","9","1") = "9"
    & skf18("8","8","8","3","10","10","1") = "9"
    & skf18("8","8","8","4","1","1","1") = "7"
    & skf18("8","8","8","4","1","2","1") = "7"
    & skf18("8","8","8","4","1","3","1") = "7"
    & skf18("8","8","8","4","1","4","1") = "7"
    & skf18("8","8","8","4","1","5","1") = "7"
    & skf18("8","8","8","4","1","6","1") = "7"
    & skf18("8","8","8","4","1","7","1") = "7"
    & skf18("8","8","8","4","1","8","1") = "7"
    & skf18("8","8","8","4","1","9","1") = "8"
    & skf18("8","8","8","4","1","10","1") = "9"
    & skf18("8","8","8","4","2","1","1") = "7"
    & skf18("8","8","8","4","2","2","1") = "7"
    & skf18("8","8","8","4","2","3","1") = "7"
    & skf18("8","8","8","4","2","4","1") = "7"
    & skf18("8","8","8","4","2","5","1") = "7"
    & skf18("8","8","8","4","2","6","1") = "7"
    & skf18("8","8","8","4","2","7","1") = "7"
    & skf18("8","8","8","4","2","8","1") = "7"
    & skf18("8","8","8","4","2","9","1") = "8"
    & skf18("8","8","8","4","2","10","1") = "9"
    & skf18("8","8","8","4","3","1","1") = "7"
    & skf18("8","8","8","4","3","2","1") = "7"
    & skf18("8","8","8","4","3","3","1") = "7"
    & skf18("8","8","8","4","3","4","1") = "7"
    & skf18("8","8","8","4","3","5","1") = "7"
    & skf18("8","8","8","4","3","6","1") = "7"
    & skf18("8","8","8","4","3","7","1") = "7"
    & skf18("8","8","8","4","3","8","1") = "7"
    & skf18("8","8","8","4","3","9","1") = "8"
    & skf18("8","8","8","4","3","10","1") = "9"
    & skf18("8","8","8","4","4","1","1") = "7"
    & skf18("8","8","8","4","4","2","1") = "7"
    & skf18("8","8","8","4","4","3","1") = "7"
    & skf18("8","8","8","4","4","4","1") = "7"
    & skf18("8","8","8","4","4","5","1") = "7"
    & skf18("8","8","8","4","4","6","1") = "7"
    & skf18("8","8","8","4","4","7","1") = "7"
    & skf18("8","8","8","4","4","8","1") = "7"
    & skf18("8","8","8","4","4","9","1") = "8"
    & skf18("8","8","8","4","4","10","1") = "9"
    & skf18("8","8","8","4","5","1","1") = "7"
    & skf18("8","8","8","4","5","2","1") = "7"
    & skf18("8","8","8","4","5","3","1") = "7"
    & skf18("8","8","8","4","5","4","1") = "7"
    & skf18("8","8","8","4","5","5","1") = "7"
    & skf18("8","8","8","4","5","6","1") = "7"
    & skf18("8","8","8","4","5","7","1") = "7"
    & skf18("8","8","8","4","5","8","1") = "7"
    & skf18("8","8","8","4","5","9","1") = "8"
    & skf18("8","8","8","4","5","10","1") = "9"
    & skf18("8","8","8","4","6","1","1") = "7"
    & skf18("8","8","8","4","6","2","1") = "7"
    & skf18("8","8","8","4","6","3","1") = "7"
    & skf18("8","8","8","4","6","4","1") = "7"
    & skf18("8","8","8","4","6","5","1") = "7"
    & skf18("8","8","8","4","6","6","1") = "7"
    & skf18("8","8","8","4","6","7","1") = "7"
    & skf18("8","8","8","4","6","8","1") = "7"
    & skf18("8","8","8","4","6","9","1") = "8"
    & skf18("8","8","8","4","6","10","1") = "9"
    & skf18("8","8","8","4","7","1","1") = "7"
    & skf18("8","8","8","4","7","2","1") = "7"
    & skf18("8","8","8","4","7","3","1") = "7"
    & skf18("8","8","8","4","7","4","1") = "7"
    & skf18("8","8","8","4","7","5","1") = "7"
    & skf18("8","8","8","4","7","6","1") = "7"
    & skf18("8","8","8","4","7","7","1") = "7"
    & skf18("8","8","8","4","7","8","1") = "7"
    & skf18("8","8","8","4","7","9","1") = "8"
    & skf18("8","8","8","4","7","10","1") = "9"
    & skf18("8","8","8","4","8","1","1") = "7"
    & skf18("8","8","8","4","8","2","1") = "7"
    & skf18("8","8","8","4","8","3","1") = "7"
    & skf18("8","8","8","4","8","4","1") = "7"
    & skf18("8","8","8","4","8","5","1") = "7"
    & skf18("8","8","8","4","8","6","1") = "7"
    & skf18("8","8","8","4","8","7","1") = "7"
    & skf18("8","8","8","4","8","8","1") = "7"
    & skf18("8","8","8","4","8","9","1") = "8"
    & skf18("8","8","8","4","8","10","1") = "9"
    & skf18("8","8","8","4","9","1","1") = "8"
    & skf18("8","8","8","4","9","2","1") = "8"
    & skf18("8","8","8","4","9","3","1") = "8"
    & skf18("8","8","8","4","9","4","1") = "8"
    & skf18("8","8","8","4","9","5","1") = "8"
    & skf18("8","8","8","4","9","6","1") = "8"
    & skf18("8","8","8","4","9","7","1") = "8"
    & skf18("8","8","8","4","9","8","1") = "8"
    & skf18("8","8","8","4","9","9","1") = "8"
    & skf18("8","8","8","4","9","10","1") = "9"
    & skf18("8","8","8","4","10","1","1") = "9"
    & skf18("8","8","8","4","10","2","1") = "9"
    & skf18("8","8","8","4","10","3","1") = "9"
    & skf18("8","8","8","4","10","4","1") = "9"
    & skf18("8","8","8","4","10","5","1") = "9"
    & skf18("8","8","8","4","10","6","1") = "9"
    & skf18("8","8","8","4","10","7","1") = "9"
    & skf18("8","8","8","4","10","8","1") = "9"
    & skf18("8","8","8","4","10","9","1") = "9"
    & skf18("8","8","8","4","10","10","1") = "9"
    & skf18("8","8","8","5","1","1","1") = "7"
    & skf18("8","8","8","5","1","2","1") = "7"
    & skf18("8","8","8","5","1","3","1") = "7"
    & skf18("8","8","8","5","1","4","1") = "7"
    & skf18("8","8","8","5","1","5","1") = "7"
    & skf18("8","8","8","5","1","6","1") = "7"
    & skf18("8","8","8","5","1","7","1") = "7"
    & skf18("8","8","8","5","1","8","1") = "7"
    & skf18("8","8","8","5","1","9","1") = "8"
    & skf18("8","8","8","5","1","10","1") = "9"
    & skf18("8","8","8","5","2","1","1") = "7"
    & skf18("8","8","8","5","2","2","1") = "7"
    & skf18("8","8","8","5","2","3","1") = "7"
    & skf18("8","8","8","5","2","4","1") = "7"
    & skf18("8","8","8","5","2","5","1") = "7"
    & skf18("8","8","8","5","2","6","1") = "7"
    & skf18("8","8","8","5","2","7","1") = "7"
    & skf18("8","8","8","5","2","8","1") = "7"
    & skf18("8","8","8","5","2","9","1") = "8"
    & skf18("8","8","8","5","2","10","1") = "9"
    & skf18("8","8","8","5","3","1","1") = "7"
    & skf18("8","8","8","5","3","2","1") = "7"
    & skf18("8","8","8","5","3","3","1") = "7"
    & skf18("8","8","8","5","3","4","1") = "7"
    & skf18("8","8","8","5","3","5","1") = "7"
    & skf18("8","8","8","5","3","6","1") = "7"
    & skf18("8","8","8","5","3","7","1") = "7"
    & skf18("8","8","8","5","3","8","1") = "7"
    & skf18("8","8","8","5","3","9","1") = "8"
    & skf18("8","8","8","5","3","10","1") = "9"
    & skf18("8","8","8","5","4","1","1") = "7"
    & skf18("8","8","8","5","4","2","1") = "7"
    & skf18("8","8","8","5","4","3","1") = "7"
    & skf18("8","8","8","5","4","4","1") = "7"
    & skf18("8","8","8","5","4","5","1") = "7"
    & skf18("8","8","8","5","4","6","1") = "7"
    & skf18("8","8","8","5","4","7","1") = "7"
    & skf18("8","8","8","5","4","8","1") = "7"
    & skf18("8","8","8","5","4","9","1") = "8"
    & skf18("8","8","8","5","4","10","1") = "9"
    & skf18("8","8","8","5","5","1","1") = "7"
    & skf18("8","8","8","5","5","2","1") = "7"
    & skf18("8","8","8","5","5","3","1") = "7"
    & skf18("8","8","8","5","5","4","1") = "7"
    & skf18("8","8","8","5","5","5","1") = "7"
    & skf18("8","8","8","5","5","6","1") = "7"
    & skf18("8","8","8","5","5","7","1") = "7"
    & skf18("8","8","8","5","5","8","1") = "7"
    & skf18("8","8","8","5","5","9","1") = "8"
    & skf18("8","8","8","5","5","10","1") = "9"
    & skf18("8","8","8","5","6","1","1") = "7"
    & skf18("8","8","8","5","6","2","1") = "7"
    & skf18("8","8","8","5","6","3","1") = "7"
    & skf18("8","8","8","5","6","4","1") = "7"
    & skf18("8","8","8","5","6","5","1") = "7"
    & skf18("8","8","8","5","6","6","1") = "7"
    & skf18("8","8","8","5","6","7","1") = "7"
    & skf18("8","8","8","5","6","8","1") = "7"
    & skf18("8","8","8","5","6","9","1") = "8"
    & skf18("8","8","8","5","6","10","1") = "9"
    & skf18("8","8","8","5","7","1","1") = "7"
    & skf18("8","8","8","5","7","2","1") = "7"
    & skf18("8","8","8","5","7","3","1") = "7"
    & skf18("8","8","8","5","7","4","1") = "7"
    & skf18("8","8","8","5","7","5","1") = "7"
    & skf18("8","8","8","5","7","6","1") = "7"
    & skf18("8","8","8","5","7","7","1") = "7"
    & skf18("8","8","8","5","7","8","1") = "7"
    & skf18("8","8","8","5","7","9","1") = "8"
    & skf18("8","8","8","5","7","10","1") = "9"
    & skf18("8","8","8","5","8","1","1") = "7"
    & skf18("8","8","8","5","8","2","1") = "7"
    & skf18("8","8","8","5","8","3","1") = "7"
    & skf18("8","8","8","5","8","4","1") = "7"
    & skf18("8","8","8","5","8","5","1") = "7"
    & skf18("8","8","8","5","8","6","1") = "7"
    & skf18("8","8","8","5","8","7","1") = "7"
    & skf18("8","8","8","5","8","8","1") = "7"
    & skf18("8","8","8","5","8","9","1") = "8"
    & skf18("8","8","8","5","8","10","1") = "9"
    & skf18("8","8","8","5","9","1","1") = "8"
    & skf18("8","8","8","5","9","2","1") = "8"
    & skf18("8","8","8","5","9","3","1") = "8"
    & skf18("8","8","8","5","9","4","1") = "8"
    & skf18("8","8","8","5","9","5","1") = "8"
    & skf18("8","8","8","5","9","6","1") = "8"
    & skf18("8","8","8","5","9","7","1") = "8"
    & skf18("8","8","8","5","9","8","1") = "8"
    & skf18("8","8","8","5","9","9","1") = "8"
    & skf18("8","8","8","5","9","10","1") = "9"
    & skf18("8","8","8","5","10","1","1") = "9"
    & skf18("8","8","8","5","10","2","1") = "9"
    & skf18("8","8","8","5","10","3","1") = "9"
    & skf18("8","8","8","5","10","4","1") = "9"
    & skf18("8","8","8","5","10","5","1") = "9"
    & skf18("8","8","8","5","10","6","1") = "9"
    & skf18("8","8","8","5","10","7","1") = "9"
    & skf18("8","8","8","5","10","8","1") = "9"
    & skf18("8","8","8","5","10","9","1") = "9"
    & skf18("8","8","8","5","10","10","1") = "9"
    & skf18("8","8","8","6","1","1","1") = "7"
    & skf18("8","8","8","6","1","2","1") = "7"
    & skf18("8","8","8","6","1","3","1") = "7"
    & skf18("8","8","8","6","1","4","1") = "7"
    & skf18("8","8","8","6","1","5","1") = "7"
    & skf18("8","8","8","6","1","6","1") = "7"
    & skf18("8","8","8","6","1","7","1") = "7"
    & skf18("8","8","8","6","1","8","1") = "7"
    & skf18("8","8","8","6","1","9","1") = "8"
    & skf18("8","8","8","6","1","10","1") = "9"
    & skf18("8","8","8","6","2","1","1") = "7"
    & skf18("8","8","8","6","2","2","1") = "7"
    & skf18("8","8","8","6","2","3","1") = "7"
    & skf18("8","8","8","6","2","4","1") = "7"
    & skf18("8","8","8","6","2","5","1") = "7"
    & skf18("8","8","8","6","2","6","1") = "7"
    & skf18("8","8","8","6","2","7","1") = "7"
    & skf18("8","8","8","6","2","8","1") = "7"
    & skf18("8","8","8","6","2","9","1") = "8"
    & skf18("8","8","8","6","2","10","1") = "9"
    & skf18("8","8","8","6","3","1","1") = "7"
    & skf18("8","8","8","6","3","2","1") = "7"
    & skf18("8","8","8","6","3","3","1") = "7"
    & skf18("8","8","8","6","3","4","1") = "7"
    & skf18("8","8","8","6","3","5","1") = "7"
    & skf18("8","8","8","6","3","6","1") = "7"
    & skf18("8","8","8","6","3","7","1") = "7"
    & skf18("8","8","8","6","3","8","1") = "7"
    & skf18("8","8","8","6","3","9","1") = "8"
    & skf18("8","8","8","6","3","10","1") = "9"
    & skf18("8","8","8","6","4","1","1") = "7"
    & skf18("8","8","8","6","4","2","1") = "7"
    & skf18("8","8","8","6","4","3","1") = "7"
    & skf18("8","8","8","6","4","4","1") = "7"
    & skf18("8","8","8","6","4","5","1") = "7"
    & skf18("8","8","8","6","4","6","1") = "7"
    & skf18("8","8","8","6","4","7","1") = "7"
    & skf18("8","8","8","6","4","8","1") = "7"
    & skf18("8","8","8","6","4","9","1") = "8"
    & skf18("8","8","8","6","4","10","1") = "9"
    & skf18("8","8","8","6","5","1","1") = "7"
    & skf18("8","8","8","6","5","2","1") = "7"
    & skf18("8","8","8","6","5","3","1") = "7"
    & skf18("8","8","8","6","5","4","1") = "7"
    & skf18("8","8","8","6","5","5","1") = "7"
    & skf18("8","8","8","6","5","6","1") = "7"
    & skf18("8","8","8","6","5","7","1") = "7"
    & skf18("8","8","8","6","5","8","1") = "7"
    & skf18("8","8","8","6","5","9","1") = "8"
    & skf18("8","8","8","6","5","10","1") = "9"
    & skf18("8","8","8","6","6","1","1") = "7"
    & skf18("8","8","8","6","6","2","1") = "7"
    & skf18("8","8","8","6","6","3","1") = "7"
    & skf18("8","8","8","6","6","4","1") = "7"
    & skf18("8","8","8","6","6","5","1") = "7"
    & skf18("8","8","8","6","6","6","1") = "7"
    & skf18("8","8","8","6","6","7","1") = "7"
    & skf18("8","8","8","6","6","8","1") = "7"
    & skf18("8","8","8","6","6","9","1") = "8"
    & skf18("8","8","8","6","6","10","1") = "9"
    & skf18("8","8","8","6","7","1","1") = "7"
    & skf18("8","8","8","6","7","2","1") = "7"
    & skf18("8","8","8","6","7","3","1") = "7"
    & skf18("8","8","8","6","7","4","1") = "7"
    & skf18("8","8","8","6","7","5","1") = "7"
    & skf18("8","8","8","6","7","6","1") = "7"
    & skf18("8","8","8","6","7","7","1") = "7"
    & skf18("8","8","8","6","7","8","1") = "7"
    & skf18("8","8","8","6","7","9","1") = "8"
    & skf18("8","8","8","6","7","10","1") = "9"
    & skf18("8","8","8","6","8","1","1") = "7"
    & skf18("8","8","8","6","8","2","1") = "7"
    & skf18("8","8","8","6","8","3","1") = "7"
    & skf18("8","8","8","6","8","4","1") = "7"
    & skf18("8","8","8","6","8","5","1") = "7"
    & skf18("8","8","8","6","8","6","1") = "7"
    & skf18("8","8","8","6","8","7","1") = "7"
    & skf18("8","8","8","6","8","8","1") = "7"
    & skf18("8","8","8","6","8","9","1") = "8"
    & skf18("8","8","8","6","8","10","1") = "9"
    & skf18("8","8","8","6","9","1","1") = "8"
    & skf18("8","8","8","6","9","2","1") = "8"
    & skf18("8","8","8","6","9","3","1") = "8"
    & skf18("8","8","8","6","9","4","1") = "8"
    & skf18("8","8","8","6","9","5","1") = "8"
    & skf18("8","8","8","6","9","6","1") = "8"
    & skf18("8","8","8","6","9","7","1") = "8"
    & skf18("8","8","8","6","9","8","1") = "8"
    & skf18("8","8","8","6","9","9","1") = "8"
    & skf18("8","8","8","6","9","10","1") = "9"
    & skf18("8","8","8","6","10","1","1") = "9"
    & skf18("8","8","8","6","10","2","1") = "9"
    & skf18("8","8","8","6","10","3","1") = "9"
    & skf18("8","8","8","6","10","4","1") = "9"
    & skf18("8","8","8","6","10","5","1") = "9"
    & skf18("8","8","8","6","10","6","1") = "9"
    & skf18("8","8","8","6","10","7","1") = "9"
    & skf18("8","8","8","6","10","8","1") = "9"
    & skf18("8","8","8","6","10","9","1") = "9"
    & skf18("8","8","8","6","10","10","1") = "9"
    & skf18("8","8","8","7","1","1","1") = "7"
    & skf18("8","8","8","7","1","2","1") = "7"
    & skf18("8","8","8","7","1","3","1") = "7"
    & skf18("8","8","8","7","1","4","1") = "7"
    & skf18("8","8","8","7","1","5","1") = "7"
    & skf18("8","8","8","7","1","6","1") = "7"
    & skf18("8","8","8","7","1","7","1") = "7"
    & skf18("8","8","8","7","1","8","1") = "7"
    & skf18("8","8","8","7","1","9","1") = "8"
    & skf18("8","8","8","7","1","10","1") = "9"
    & skf18("8","8","8","7","2","1","1") = "7"
    & skf18("8","8","8","7","2","2","1") = "7"
    & skf18("8","8","8","7","2","3","1") = "7"
    & skf18("8","8","8","7","2","4","1") = "7"
    & skf18("8","8","8","7","2","5","1") = "7"
    & skf18("8","8","8","7","2","6","1") = "7"
    & skf18("8","8","8","7","2","7","1") = "7"
    & skf18("8","8","8","7","2","8","1") = "7"
    & skf18("8","8","8","7","2","9","1") = "8"
    & skf18("8","8","8","7","2","10","1") = "9"
    & skf18("8","8","8","7","3","1","1") = "7"
    & skf18("8","8","8","7","3","2","1") = "7"
    & skf18("8","8","8","7","3","3","1") = "7"
    & skf18("8","8","8","7","3","4","1") = "7"
    & skf18("8","8","8","7","3","5","1") = "7"
    & skf18("8","8","8","7","3","6","1") = "7"
    & skf18("8","8","8","7","3","7","1") = "7"
    & skf18("8","8","8","7","3","8","1") = "7"
    & skf18("8","8","8","7","3","9","1") = "8"
    & skf18("8","8","8","7","3","10","1") = "9"
    & skf18("8","8","8","7","4","1","1") = "7"
    & skf18("8","8","8","7","4","2","1") = "7"
    & skf18("8","8","8","7","4","3","1") = "7"
    & skf18("8","8","8","7","4","4","1") = "7"
    & skf18("8","8","8","7","4","5","1") = "7"
    & skf18("8","8","8","7","4","6","1") = "7"
    & skf18("8","8","8","7","4","7","1") = "7"
    & skf18("8","8","8","7","4","8","1") = "7"
    & skf18("8","8","8","7","4","9","1") = "8"
    & skf18("8","8","8","7","4","10","1") = "9"
    & skf18("8","8","8","7","5","1","1") = "7"
    & skf18("8","8","8","7","5","2","1") = "7"
    & skf18("8","8","8","7","5","3","1") = "7"
    & skf18("8","8","8","7","5","4","1") = "7"
    & skf18("8","8","8","7","5","5","1") = "7"
    & skf18("8","8","8","7","5","6","1") = "7"
    & skf18("8","8","8","7","5","7","1") = "7"
    & skf18("8","8","8","7","5","8","1") = "7"
    & skf18("8","8","8","7","5","9","1") = "8"
    & skf18("8","8","8","7","5","10","1") = "9"
    & skf18("8","8","8","7","6","1","1") = "7"
    & skf18("8","8","8","7","6","2","1") = "7"
    & skf18("8","8","8","7","6","3","1") = "7"
    & skf18("8","8","8","7","6","4","1") = "7"
    & skf18("8","8","8","7","6","5","1") = "7"
    & skf18("8","8","8","7","6","6","1") = "7"
    & skf18("8","8","8","7","6","7","1") = "7"
    & skf18("8","8","8","7","6","8","1") = "7"
    & skf18("8","8","8","7","6","9","1") = "8"
    & skf18("8","8","8","7","6","10","1") = "9"
    & skf18("8","8","8","7","7","1","1") = "7"
    & skf18("8","8","8","7","7","2","1") = "7"
    & skf18("8","8","8","7","7","3","1") = "7"
    & skf18("8","8","8","7","7","4","1") = "7"
    & skf18("8","8","8","7","7","5","1") = "7"
    & skf18("8","8","8","7","7","6","1") = "7"
    & skf18("8","8","8","7","7","7","1") = "7"
    & skf18("8","8","8","7","7","8","1") = "7"
    & skf18("8","8","8","7","7","9","1") = "8"
    & skf18("8","8","8","7","7","10","1") = "9"
    & skf18("8","8","8","7","8","1","1") = "7"
    & skf18("8","8","8","7","8","2","1") = "7"
    & skf18("8","8","8","7","8","3","1") = "7"
    & skf18("8","8","8","7","8","4","1") = "7"
    & skf18("8","8","8","7","8","5","1") = "7"
    & skf18("8","8","8","7","8","6","1") = "7"
    & skf18("8","8","8","7","8","7","1") = "7"
    & skf18("8","8","8","7","8","8","1") = "7"
    & skf18("8","8","8","7","8","9","1") = "8"
    & skf18("8","8","8","7","8","10","1") = "9"
    & skf18("8","8","8","7","9","1","1") = "8"
    & skf18("8","8","8","7","9","2","1") = "8"
    & skf18("8","8","8","7","9","3","1") = "8"
    & skf18("8","8","8","7","9","4","1") = "8"
    & skf18("8","8","8","7","9","5","1") = "8"
    & skf18("8","8","8","7","9","6","1") = "8"
    & skf18("8","8","8","7","9","7","1") = "8"
    & skf18("8","8","8","7","9","8","1") = "8"
    & skf18("8","8","8","7","9","9","1") = "8"
    & skf18("8","8","8","7","9","10","1") = "9"
    & skf18("8","8","8","7","10","1","1") = "9"
    & skf18("8","8","8","7","10","2","1") = "9"
    & skf18("8","8","8","7","10","3","1") = "9"
    & skf18("8","8","8","7","10","4","1") = "9"
    & skf18("8","8","8","7","10","5","1") = "9"
    & skf18("8","8","8","7","10","6","1") = "9"
    & skf18("8","8","8","7","10","7","1") = "9"
    & skf18("8","8","8","7","10","8","1") = "9"
    & skf18("8","8","8","7","10","9","1") = "9"
    & skf18("8","8","8","7","10","10","1") = "9"
    & skf18("8","8","8","8","1","1","1") = "7"
    & skf18("8","8","8","8","1","2","1") = "7"
    & skf18("8","8","8","8","1","3","1") = "7"
    & skf18("8","8","8","8","1","4","1") = "7"
    & skf18("8","8","8","8","1","5","1") = "7"
    & skf18("8","8","8","8","1","6","1") = "7"
    & skf18("8","8","8","8","1","7","1") = "7"
    & skf18("8","8","8","8","1","8","1") = "7"
    & skf18("8","8","8","8","1","9","1") = "8"
    & skf18("8","8","8","8","1","10","1") = "9"
    & skf18("8","8","8","8","2","1","1") = "7"
    & skf18("8","8","8","8","2","2","1") = "7"
    & skf18("8","8","8","8","2","3","1") = "7"
    & skf18("8","8","8","8","2","4","1") = "7"
    & skf18("8","8","8","8","2","5","1") = "7"
    & skf18("8","8","8","8","2","6","1") = "7"
    & skf18("8","8","8","8","2","7","1") = "7"
    & skf18("8","8","8","8","2","8","1") = "7"
    & skf18("8","8","8","8","2","9","1") = "8"
    & skf18("8","8","8","8","2","10","1") = "9"
    & skf18("8","8","8","8","3","1","1") = "7"
    & skf18("8","8","8","8","3","2","1") = "7"
    & skf18("8","8","8","8","3","3","1") = "7"
    & skf18("8","8","8","8","3","4","1") = "7"
    & skf18("8","8","8","8","3","5","1") = "7"
    & skf18("8","8","8","8","3","6","1") = "7"
    & skf18("8","8","8","8","3","7","1") = "7"
    & skf18("8","8","8","8","3","8","1") = "7"
    & skf18("8","8","8","8","3","9","1") = "8"
    & skf18("8","8","8","8","3","10","1") = "9"
    & skf18("8","8","8","8","4","1","1") = "7"
    & skf18("8","8","8","8","4","2","1") = "7"
    & skf18("8","8","8","8","4","3","1") = "7"
    & skf18("8","8","8","8","4","4","1") = "7"
    & skf18("8","8","8","8","4","5","1") = "7"
    & skf18("8","8","8","8","4","6","1") = "7"
    & skf18("8","8","8","8","4","7","1") = "7"
    & skf18("8","8","8","8","4","8","1") = "7"
    & skf18("8","8","8","8","4","9","1") = "8"
    & skf18("8","8","8","8","4","10","1") = "9"
    & skf18("8","8","8","8","5","1","1") = "7"
    & skf18("8","8","8","8","5","2","1") = "7"
    & skf18("8","8","8","8","5","3","1") = "7"
    & skf18("8","8","8","8","5","4","1") = "7"
    & skf18("8","8","8","8","5","5","1") = "7"
    & skf18("8","8","8","8","5","6","1") = "7"
    & skf18("8","8","8","8","5","7","1") = "7"
    & skf18("8","8","8","8","5","8","1") = "7"
    & skf18("8","8","8","8","5","9","1") = "8"
    & skf18("8","8","8","8","5","10","1") = "9"
    & skf18("8","8","8","8","6","1","1") = "7"
    & skf18("8","8","8","8","6","2","1") = "7"
    & skf18("8","8","8","8","6","3","1") = "7"
    & skf18("8","8","8","8","6","4","1") = "7"
    & skf18("8","8","8","8","6","5","1") = "7"
    & skf18("8","8","8","8","6","6","1") = "7"
    & skf18("8","8","8","8","6","7","1") = "7"
    & skf18("8","8","8","8","6","8","1") = "7"
    & skf18("8","8","8","8","6","9","1") = "8"
    & skf18("8","8","8","8","6","10","1") = "9"
    & skf18("8","8","8","8","7","1","1") = "7"
    & skf18("8","8","8","8","7","2","1") = "7"
    & skf18("8","8","8","8","7","3","1") = "7"
    & skf18("8","8","8","8","7","4","1") = "7"
    & skf18("8","8","8","8","7","5","1") = "7"
    & skf18("8","8","8","8","7","6","1") = "7"
    & skf18("8","8","8","8","7","7","1") = "7"
    & skf18("8","8","8","8","7","8","1") = "7"
    & skf18("8","8","8","8","7","9","1") = "8"
    & skf18("8","8","8","8","7","10","1") = "9"
    & skf18("8","8","8","8","8","1","1") = "7"
    & skf18("8","8","8","8","8","2","1") = "7"
    & skf18("8","8","8","8","8","3","1") = "7"
    & skf18("8","8","8","8","8","4","1") = "7"
    & skf18("8","8","8","8","8","5","1") = "7"
    & skf18("8","8","8","8","8","6","1") = "7"
    & skf18("8","8","8","8","8","7","1") = "7"
    & skf18("8","8","8","8","8","8","1") = "7"
    & skf18("8","8","8","8","8","9","1") = "8"
    & skf18("8","8","8","8","8","10","1") = "9"
    & skf18("8","8","8","8","9","1","1") = "8"
    & skf18("8","8","8","8","9","2","1") = "8"
    & skf18("8","8","8","8","9","3","1") = "8"
    & skf18("8","8","8","8","9","4","1") = "8"
    & skf18("8","8","8","8","9","5","1") = "8"
    & skf18("8","8","8","8","9","6","1") = "8"
    & skf18("8","8","8","8","9","7","1") = "8"
    & skf18("8","8","8","8","9","8","1") = "8"
    & skf18("8","8","8","8","9","9","1") = "8"
    & skf18("8","8","8","8","9","10","1") = "9"
    & skf18("8","8","8","8","10","1","1") = "9"
    & skf18("8","8","8","8","10","2","1") = "9"
    & skf18("8","8","8","8","10","3","1") = "9"
    & skf18("8","8","8","8","10","4","1") = "9"
    & skf18("8","8","8","8","10","5","1") = "9"
    & skf18("8","8","8","8","10","6","1") = "9"
    & skf18("8","8","8","8","10","7","1") = "9"
    & skf18("8","8","8","8","10","8","1") = "9"
    & skf18("8","8","8","8","10","9","1") = "9"
    & skf18("8","8","8","8","10","10","1") = "9"
    & skf18("8","8","8","9","1","1","1") = "8"
    & skf18("8","8","8","9","1","2","1") = "8"
    & skf18("8","8","8","9","1","3","1") = "8"
    & skf18("8","8","8","9","1","4","1") = "8"
    & skf18("8","8","8","9","1","5","1") = "8"
    & skf18("8","8","8","9","1","6","1") = "8"
    & skf18("8","8","8","9","1","7","1") = "8"
    & skf18("8","8","8","9","1","8","1") = "8"
    & skf18("8","8","8","9","1","9","1") = "8"
    & skf18("8","8","8","9","1","10","1") = "9"
    & skf18("8","8","8","9","2","1","1") = "8"
    & skf18("8","8","8","9","2","2","1") = "8"
    & skf18("8","8","8","9","2","3","1") = "8"
    & skf18("8","8","8","9","2","4","1") = "8"
    & skf18("8","8","8","9","2","5","1") = "8"
    & skf18("8","8","8","9","2","6","1") = "8"
    & skf18("8","8","8","9","2","7","1") = "8"
    & skf18("8","8","8","9","2","8","1") = "8"
    & skf18("8","8","8","9","2","9","1") = "8"
    & skf18("8","8","8","9","2","10","1") = "9"
    & skf18("8","8","8","9","3","1","1") = "8"
    & skf18("8","8","8","9","3","2","1") = "8"
    & skf18("8","8","8","9","3","3","1") = "8"
    & skf18("8","8","8","9","3","4","1") = "8"
    & skf18("8","8","8","9","3","5","1") = "8"
    & skf18("8","8","8","9","3","6","1") = "8"
    & skf18("8","8","8","9","3","7","1") = "8"
    & skf18("8","8","8","9","3","8","1") = "8"
    & skf18("8","8","8","9","3","9","1") = "8"
    & skf18("8","8","8","9","3","10","1") = "9"
    & skf18("8","8","8","9","4","1","1") = "8"
    & skf18("8","8","8","9","4","2","1") = "8"
    & skf18("8","8","8","9","4","3","1") = "8"
    & skf18("8","8","8","9","4","4","1") = "8"
    & skf18("8","8","8","9","4","5","1") = "8"
    & skf18("8","8","8","9","4","6","1") = "8"
    & skf18("8","8","8","9","4","7","1") = "8"
    & skf18("8","8","8","9","4","8","1") = "8"
    & skf18("8","8","8","9","4","9","1") = "8"
    & skf18("8","8","8","9","4","10","1") = "9"
    & skf18("8","8","8","9","5","1","1") = "8"
    & skf18("8","8","8","9","5","2","1") = "8"
    & skf18("8","8","8","9","5","3","1") = "8"
    & skf18("8","8","8","9","5","4","1") = "8"
    & skf18("8","8","8","9","5","5","1") = "8"
    & skf18("8","8","8","9","5","6","1") = "8"
    & skf18("8","8","8","9","5","7","1") = "8"
    & skf18("8","8","8","9","5","8","1") = "8"
    & skf18("8","8","8","9","5","9","1") = "8"
    & skf18("8","8","8","9","5","10","1") = "9"
    & skf18("8","8","8","9","6","1","1") = "8"
    & skf18("8","8","8","9","6","2","1") = "8"
    & skf18("8","8","8","9","6","3","1") = "8"
    & skf18("8","8","8","9","6","4","1") = "8"
    & skf18("8","8","8","9","6","5","1") = "8"
    & skf18("8","8","8","9","6","6","1") = "8"
    & skf18("8","8","8","9","6","7","1") = "8"
    & skf18("8","8","8","9","6","8","1") = "8"
    & skf18("8","8","8","9","6","9","1") = "8"
    & skf18("8","8","8","9","6","10","1") = "9"
    & skf18("8","8","8","9","7","1","1") = "8"
    & skf18("8","8","8","9","7","2","1") = "8"
    & skf18("8","8","8","9","7","3","1") = "8"
    & skf18("8","8","8","9","7","4","1") = "8"
    & skf18("8","8","8","9","7","5","1") = "8"
    & skf18("8","8","8","9","7","6","1") = "8"
    & skf18("8","8","8","9","7","7","1") = "8"
    & skf18("8","8","8","9","7","8","1") = "8"
    & skf18("8","8","8","9","7","9","1") = "8"
    & skf18("8","8","8","9","7","10","1") = "9"
    & skf18("8","8","8","9","8","1","1") = "8"
    & skf18("8","8","8","9","8","2","1") = "8"
    & skf18("8","8","8","9","8","3","1") = "8"
    & skf18("8","8","8","9","8","4","1") = "8"
    & skf18("8","8","8","9","8","5","1") = "8"
    & skf18("8","8","8","9","8","6","1") = "8"
    & skf18("8","8","8","9","8","7","1") = "8"
    & skf18("8","8","8","9","8","8","1") = "8"
    & skf18("8","8","8","9","8","9","1") = "8"
    & skf18("8","8","8","9","8","10","1") = "9"
    & skf18("8","8","8","9","9","1","1") = "8"
    & skf18("8","8","8","9","9","2","1") = "8"
    & skf18("8","8","8","9","9","3","1") = "8"
    & skf18("8","8","8","9","9","4","1") = "8"
    & skf18("8","8","8","9","9","5","1") = "8"
    & skf18("8","8","8","9","9","6","1") = "8"
    & skf18("8","8","8","9","9","7","1") = "8"
    & skf18("8","8","8","9","9","8","1") = "8"
    & skf18("8","8","8","9","9","9","1") = "8"
    & skf18("8","8","8","9","9","10","1") = "9"
    & skf18("8","8","8","9","10","1","1") = "9"
    & skf18("8","8","8","9","10","2","1") = "9"
    & skf18("8","8","8","9","10","3","1") = "9"
    & skf18("8","8","8","9","10","4","1") = "9"
    & skf18("8","8","8","9","10","5","1") = "9"
    & skf18("8","8","8","9","10","6","1") = "9"
    & skf18("8","8","8","9","10","7","1") = "9"
    & skf18("8","8","8","9","10","8","1") = "9"
    & skf18("8","8","8","9","10","9","1") = "9"
    & skf18("8","8","8","9","10","10","1") = "9"
    & skf18("8","8","8","10","1","1","1") = "9"
    & skf18("8","8","8","10","1","2","1") = "9"
    & skf18("8","8","8","10","1","3","1") = "9"
    & skf18("8","8","8","10","1","4","1") = "9"
    & skf18("8","8","8","10","1","5","1") = "9"
    & skf18("8","8","8","10","1","6","1") = "9"
    & skf18("8","8","8","10","1","7","1") = "9"
    & skf18("8","8","8","10","1","8","1") = "9"
    & skf18("8","8","8","10","1","9","1") = "9"
    & skf18("8","8","8","10","1","10","1") = "9"
    & skf18("8","8","8","10","2","1","1") = "9"
    & skf18("8","8","8","10","2","2","1") = "9"
    & skf18("8","8","8","10","2","3","1") = "9"
    & skf18("8","8","8","10","2","4","1") = "9"
    & skf18("8","8","8","10","2","5","1") = "9"
    & skf18("8","8","8","10","2","6","1") = "9"
    & skf18("8","8","8","10","2","7","1") = "9"
    & skf18("8","8","8","10","2","8","1") = "9"
    & skf18("8","8","8","10","2","9","1") = "9"
    & skf18("8","8","8","10","2","10","1") = "9"
    & skf18("8","8","8","10","3","1","1") = "9"
    & skf18("8","8","8","10","3","2","1") = "9"
    & skf18("8","8","8","10","3","3","1") = "9"
    & skf18("8","8","8","10","3","4","1") = "9"
    & skf18("8","8","8","10","3","5","1") = "9"
    & skf18("8","8","8","10","3","6","1") = "9"
    & skf18("8","8","8","10","3","7","1") = "9"
    & skf18("8","8","8","10","3","8","1") = "9"
    & skf18("8","8","8","10","3","9","1") = "9"
    & skf18("8","8","8","10","3","10","1") = "9"
    & skf18("8","8","8","10","4","1","1") = "9"
    & skf18("8","8","8","10","4","2","1") = "9"
    & skf18("8","8","8","10","4","3","1") = "9"
    & skf18("8","8","8","10","4","4","1") = "9"
    & skf18("8","8","8","10","4","5","1") = "9"
    & skf18("8","8","8","10","4","6","1") = "9"
    & skf18("8","8","8","10","4","7","1") = "9"
    & skf18("8","8","8","10","4","8","1") = "9"
    & skf18("8","8","8","10","4","9","1") = "9"
    & skf18("8","8","8","10","4","10","1") = "9"
    & skf18("8","8","8","10","5","1","1") = "9"
    & skf18("8","8","8","10","5","2","1") = "9"
    & skf18("8","8","8","10","5","3","1") = "9"
    & skf18("8","8","8","10","5","4","1") = "9"
    & skf18("8","8","8","10","5","5","1") = "9"
    & skf18("8","8","8","10","5","6","1") = "9"
    & skf18("8","8","8","10","5","7","1") = "9"
    & skf18("8","8","8","10","5","8","1") = "9"
    & skf18("8","8","8","10","5","9","1") = "9"
    & skf18("8","8","8","10","5","10","1") = "9"
    & skf18("8","8","8","10","6","1","1") = "9"
    & skf18("8","8","8","10","6","2","1") = "9"
    & skf18("8","8","8","10","6","3","1") = "9"
    & skf18("8","8","8","10","6","4","1") = "9"
    & skf18("8","8","8","10","6","5","1") = "9"
    & skf18("8","8","8","10","6","6","1") = "9"
    & skf18("8","8","8","10","6","7","1") = "9"
    & skf18("8","8","8","10","6","8","1") = "9"
    & skf18("8","8","8","10","6","9","1") = "9"
    & skf18("8","8","8","10","6","10","1") = "9"
    & skf18("8","8","8","10","7","1","1") = "9"
    & skf18("8","8","8","10","7","2","1") = "9"
    & skf18("8","8","8","10","7","3","1") = "9"
    & skf18("8","8","8","10","7","4","1") = "9"
    & skf18("8","8","8","10","7","5","1") = "9"
    & skf18("8","8","8","10","7","6","1") = "9"
    & skf18("8","8","8","10","7","7","1") = "9"
    & skf18("8","8","8","10","7","8","1") = "9"
    & skf18("8","8","8","10","7","9","1") = "9"
    & skf18("8","8","8","10","7","10","1") = "9"
    & skf18("8","8","8","10","8","1","1") = "9"
    & skf18("8","8","8","10","8","2","1") = "9"
    & skf18("8","8","8","10","8","3","1") = "9"
    & skf18("8","8","8","10","8","4","1") = "9"
    & skf18("8","8","8","10","8","5","1") = "9"
    & skf18("8","8","8","10","8","6","1") = "9"
    & skf18("8","8","8","10","8","7","1") = "9"
    & skf18("8","8","8","10","8","8","1") = "9"
    & skf18("8","8","8","10","8","9","1") = "9"
    & skf18("8","8","8","10","8","10","1") = "9"
    & skf18("8","8","8","10","9","1","1") = "9"
    & skf18("8","8","8","10","9","2","1") = "9"
    & skf18("8","8","8","10","9","3","1") = "9"
    & skf18("8","8","8","10","9","4","1") = "9"
    & skf18("8","8","8","10","9","5","1") = "9"
    & skf18("8","8","8","10","9","6","1") = "9"
    & skf18("8","8","8","10","9","7","1") = "9"
    & skf18("8","8","8","10","9","8","1") = "9"
    & skf18("8","8","8","10","9","9","1") = "9"
    & skf18("8","8","8","10","9","10","1") = "9"
    & skf18("8","8","8","10","10","1","1") = "9"
    & skf18("8","8","8","10","10","2","1") = "9"
    & skf18("8","8","8","10","10","3","1") = "9"
    & skf18("8","8","8","10","10","4","1") = "9"
    & skf18("8","8","8","10","10","5","1") = "9"
    & skf18("8","8","8","10","10","6","1") = "9"
    & skf18("8","8","8","10","10","7","1") = "9"
    & skf18("8","8","8","10","10","8","1") = "9"
    & skf18("8","8","8","10","10","9","1") = "9"
    & skf18("8","8","8","10","10","10","1") = "9"
    & skf18("8","8","9","1","1","1","1") = "8"
    & skf18("8","8","9","1","1","2","1") = "8"
    & skf18("8","8","9","1","1","3","1") = "8"
    & skf18("8","8","9","1","1","4","1") = "8"
    & skf18("8","8","9","1","1","5","1") = "8"
    & skf18("8","8","9","1","1","6","1") = "8"
    & skf18("8","8","9","1","1","7","1") = "8"
    & skf18("8","8","9","1","1","8","1") = "8"
    & skf18("8","8","9","1","1","9","1") = "8"
    & skf18("8","8","9","1","1","10","1") = "9"
    & skf18("8","8","9","1","2","1","1") = "8"
    & skf18("8","8","9","1","2","2","1") = "8"
    & skf18("8","8","9","1","2","3","1") = "8"
    & skf18("8","8","9","1","2","4","1") = "8"
    & skf18("8","8","9","1","2","5","1") = "8"
    & skf18("8","8","9","1","2","6","1") = "8"
    & skf18("8","8","9","1","2","7","1") = "8"
    & skf18("8","8","9","1","2","8","1") = "8"
    & skf18("8","8","9","1","2","9","1") = "8"
    & skf18("8","8","9","1","2","10","1") = "9"
    & skf18("8","8","9","1","3","1","1") = "8"
    & skf18("8","8","9","1","3","2","1") = "8"
    & skf18("8","8","9","1","3","3","1") = "8"
    & skf18("8","8","9","1","3","4","1") = "8"
    & skf18("8","8","9","1","3","5","1") = "8"
    & skf18("8","8","9","1","3","6","1") = "8"
    & skf18("8","8","9","1","3","7","1") = "8"
    & skf18("8","8","9","1","3","8","1") = "8"
    & skf18("8","8","9","1","3","9","1") = "8"
    & skf18("8","8","9","1","3","10","1") = "9"
    & skf18("8","8","9","1","4","1","1") = "8"
    & skf18("8","8","9","1","4","2","1") = "8"
    & skf18("8","8","9","1","4","3","1") = "8"
    & skf18("8","8","9","1","4","4","1") = "8"
    & skf18("8","8","9","1","4","5","1") = "8"
    & skf18("8","8","9","1","4","6","1") = "8"
    & skf18("8","8","9","1","4","7","1") = "8"
    & skf18("8","8","9","1","4","8","1") = "8"
    & skf18("8","8","9","1","4","9","1") = "8"
    & skf18("8","8","9","1","4","10","1") = "9"
    & skf18("8","8","9","1","5","1","1") = "8"
    & skf18("8","8","9","1","5","2","1") = "8"
    & skf18("8","8","9","1","5","3","1") = "8"
    & skf18("8","8","9","1","5","4","1") = "8"
    & skf18("8","8","9","1","5","5","1") = "8"
    & skf18("8","8","9","1","5","6","1") = "8"
    & skf18("8","8","9","1","5","7","1") = "8"
    & skf18("8","8","9","1","5","8","1") = "8"
    & skf18("8","8","9","1","5","9","1") = "8"
    & skf18("8","8","9","1","5","10","1") = "9"
    & skf18("8","8","9","1","6","1","1") = "8"
    & skf18("8","8","9","1","6","2","1") = "8"
    & skf18("8","8","9","1","6","3","1") = "8"
    & skf18("8","8","9","1","6","4","1") = "8"
    & skf18("8","8","9","1","6","5","1") = "8"
    & skf18("8","8","9","1","6","6","1") = "8"
    & skf18("8","8","9","1","6","7","1") = "8"
    & skf18("8","8","9","1","6","8","1") = "8"
    & skf18("8","8","9","1","6","9","1") = "8"
    & skf18("8","8","9","1","6","10","1") = "9"
    & skf18("8","8","9","1","7","1","1") = "8"
    & skf18("8","8","9","1","7","2","1") = "8"
    & skf18("8","8","9","1","7","3","1") = "8"
    & skf18("8","8","9","1","7","4","1") = "8"
    & skf18("8","8","9","1","7","5","1") = "8"
    & skf18("8","8","9","1","7","6","1") = "8"
    & skf18("8","8","9","1","7","7","1") = "8"
    & skf18("8","8","9","1","7","8","1") = "8"
    & skf18("8","8","9","1","7","9","1") = "8"
    & skf18("8","8","9","1","7","10","1") = "9"
    & skf18("8","8","9","1","8","1","1") = "8"
    & skf18("8","8","9","1","8","2","1") = "8"
    & skf18("8","8","9","1","8","3","1") = "8"
    & skf18("8","8","9","1","8","4","1") = "8"
    & skf18("8","8","9","1","8","5","1") = "8"
    & skf18("8","8","9","1","8","6","1") = "8"
    & skf18("8","8","9","1","8","7","1") = "8"
    & skf18("8","8","9","1","8","8","1") = "8"
    & skf18("8","8","9","1","8","9","1") = "8"
    & skf18("8","8","9","1","8","10","1") = "9"
    & skf18("8","8","9","1","9","1","1") = "8"
    & skf18("8","8","9","1","9","2","1") = "8"
    & skf18("8","8","9","1","9","3","1") = "8"
    & skf18("8","8","9","1","9","4","1") = "8"
    & skf18("8","8","9","1","9","5","1") = "8"
    & skf18("8","8","9","1","9","6","1") = "8"
    & skf18("8","8","9","1","9","7","1") = "8"
    & skf18("8","8","9","1","9","8","1") = "8"
    & skf18("8","8","9","1","9","9","1") = "8"
    & skf18("8","8","9","1","9","10","1") = "9"
    & skf18("8","8","9","1","10","1","1") = "9"
    & skf18("8","8","9","1","10","2","1") = "9"
    & skf18("8","8","9","1","10","3","1") = "9"
    & skf18("8","8","9","1","10","4","1") = "9"
    & skf18("8","8","9","1","10","5","1") = "9"
    & skf18("8","8","9","1","10","6","1") = "9"
    & skf18("8","8","9","1","10","7","1") = "9"
    & skf18("8","8","9","1","10","8","1") = "9"
    & skf18("8","8","9","1","10","9","1") = "9"
    & skf18("8","8","9","1","10","10","1") = "9"
    & skf18("8","8","9","2","1","1","1") = "8"
    & skf18("8","8","9","2","1","2","1") = "8"
    & skf18("8","8","9","2","1","3","1") = "8"
    & skf18("8","8","9","2","1","4","1") = "8"
    & skf18("8","8","9","2","1","5","1") = "8"
    & skf18("8","8","9","2","1","6","1") = "8"
    & skf18("8","8","9","2","1","7","1") = "8"
    & skf18("8","8","9","2","1","8","1") = "8"
    & skf18("8","8","9","2","1","9","1") = "8"
    & skf18("8","8","9","2","1","10","1") = "9"
    & skf18("8","8","9","2","2","1","1") = "8"
    & skf18("8","8","9","2","2","2","1") = "8"
    & skf18("8","8","9","2","2","3","1") = "8"
    & skf18("8","8","9","2","2","4","1") = "8"
    & skf18("8","8","9","2","2","5","1") = "8"
    & skf18("8","8","9","2","2","6","1") = "8"
    & skf18("8","8","9","2","2","7","1") = "8"
    & skf18("8","8","9","2","2","8","1") = "8"
    & skf18("8","8","9","2","2","9","1") = "8"
    & skf18("8","8","9","2","2","10","1") = "9"
    & skf18("8","8","9","2","3","1","1") = "8"
    & skf18("8","8","9","2","3","2","1") = "8"
    & skf18("8","8","9","2","3","3","1") = "8"
    & skf18("8","8","9","2","3","4","1") = "8"
    & skf18("8","8","9","2","3","5","1") = "8"
    & skf18("8","8","9","2","3","6","1") = "8"
    & skf18("8","8","9","2","3","7","1") = "8"
    & skf18("8","8","9","2","3","8","1") = "8"
    & skf18("8","8","9","2","3","9","1") = "8"
    & skf18("8","8","9","2","3","10","1") = "9"
    & skf18("8","8","9","2","4","1","1") = "8"
    & skf18("8","8","9","2","4","2","1") = "8"
    & skf18("8","8","9","2","4","3","1") = "8"
    & skf18("8","8","9","2","4","4","1") = "8"
    & skf18("8","8","9","2","4","5","1") = "8"
    & skf18("8","8","9","2","4","6","1") = "8"
    & skf18("8","8","9","2","4","7","1") = "8"
    & skf18("8","8","9","2","4","8","1") = "8"
    & skf18("8","8","9","2","4","9","1") = "8"
    & skf18("8","8","9","2","4","10","1") = "9"
    & skf18("8","8","9","2","5","1","1") = "8"
    & skf18("8","8","9","2","5","2","1") = "8"
    & skf18("8","8","9","2","5","3","1") = "8"
    & skf18("8","8","9","2","5","4","1") = "8"
    & skf18("8","8","9","2","5","5","1") = "8"
    & skf18("8","8","9","2","5","6","1") = "8"
    & skf18("8","8","9","2","5","7","1") = "8"
    & skf18("8","8","9","2","5","8","1") = "8"
    & skf18("8","8","9","2","5","9","1") = "8"
    & skf18("8","8","9","2","5","10","1") = "9"
    & skf18("8","8","9","2","6","1","1") = "8"
    & skf18("8","8","9","2","6","2","1") = "8"
    & skf18("8","8","9","2","6","3","1") = "8"
    & skf18("8","8","9","2","6","4","1") = "8"
    & skf18("8","8","9","2","6","5","1") = "8"
    & skf18("8","8","9","2","6","6","1") = "8"
    & skf18("8","8","9","2","6","7","1") = "8"
    & skf18("8","8","9","2","6","8","1") = "8"
    & skf18("8","8","9","2","6","9","1") = "8"
    & skf18("8","8","9","2","6","10","1") = "9"
    & skf18("8","8","9","2","7","1","1") = "8"
    & skf18("8","8","9","2","7","2","1") = "8"
    & skf18("8","8","9","2","7","3","1") = "8"
    & skf18("8","8","9","2","7","4","1") = "8"
    & skf18("8","8","9","2","7","5","1") = "8"
    & skf18("8","8","9","2","7","6","1") = "8"
    & skf18("8","8","9","2","7","7","1") = "8"
    & skf18("8","8","9","2","7","8","1") = "8"
    & skf18("8","8","9","2","7","9","1") = "8"
    & skf18("8","8","9","2","7","10","1") = "9"
    & skf18("8","8","9","2","8","1","1") = "8"
    & skf18("8","8","9","2","8","2","1") = "8"
    & skf18("8","8","9","2","8","3","1") = "8"
    & skf18("8","8","9","2","8","4","1") = "8"
    & skf18("8","8","9","2","8","5","1") = "8"
    & skf18("8","8","9","2","8","6","1") = "8"
    & skf18("8","8","9","2","8","7","1") = "8"
    & skf18("8","8","9","2","8","8","1") = "8"
    & skf18("8","8","9","2","8","9","1") = "8"
    & skf18("8","8","9","2","8","10","1") = "9"
    & skf18("8","8","9","2","9","1","1") = "8"
    & skf18("8","8","9","2","9","2","1") = "8"
    & skf18("8","8","9","2","9","3","1") = "8"
    & skf18("8","8","9","2","9","4","1") = "8"
    & skf18("8","8","9","2","9","5","1") = "8"
    & skf18("8","8","9","2","9","6","1") = "8"
    & skf18("8","8","9","2","9","7","1") = "8"
    & skf18("8","8","9","2","9","8","1") = "8"
    & skf18("8","8","9","2","9","9","1") = "8"
    & skf18("8","8","9","2","9","10","1") = "9"
    & skf18("8","8","9","2","10","1","1") = "9"
    & skf18("8","8","9","2","10","2","1") = "9"
    & skf18("8","8","9","2","10","3","1") = "9"
    & skf18("8","8","9","2","10","4","1") = "9"
    & skf18("8","8","9","2","10","5","1") = "9"
    & skf18("8","8","9","2","10","6","1") = "9"
    & skf18("8","8","9","2","10","7","1") = "9"
    & skf18("8","8","9","2","10","8","1") = "9"
    & skf18("8","8","9","2","10","9","1") = "9"
    & skf18("8","8","9","2","10","10","1") = "9"
    & skf18("8","8","9","3","1","1","1") = "8"
    & skf18("8","8","9","3","1","2","1") = "8"
    & skf18("8","8","9","3","1","3","1") = "8"
    & skf18("8","8","9","3","1","4","1") = "8"
    & skf18("8","8","9","3","1","5","1") = "8"
    & skf18("8","8","9","3","1","6","1") = "8"
    & skf18("8","8","9","3","1","7","1") = "8"
    & skf18("8","8","9","3","1","8","1") = "8"
    & skf18("8","8","9","3","1","9","1") = "8"
    & skf18("8","8","9","3","1","10","1") = "9"
    & skf18("8","8","9","3","2","1","1") = "8"
    & skf18("8","8","9","3","2","2","1") = "8"
    & skf18("8","8","9","3","2","3","1") = "8"
    & skf18("8","8","9","3","2","4","1") = "8"
    & skf18("8","8","9","3","2","5","1") = "8"
    & skf18("8","8","9","3","2","6","1") = "8"
    & skf18("8","8","9","3","2","7","1") = "8"
    & skf18("8","8","9","3","2","8","1") = "8"
    & skf18("8","8","9","3","2","9","1") = "8"
    & skf18("8","8","9","3","2","10","1") = "9"
    & skf18("8","8","9","3","3","1","1") = "8"
    & skf18("8","8","9","3","3","2","1") = "8"
    & skf18("8","8","9","3","3","3","1") = "8"
    & skf18("8","8","9","3","3","4","1") = "8"
    & skf18("8","8","9","3","3","5","1") = "8"
    & skf18("8","8","9","3","3","6","1") = "8"
    & skf18("8","8","9","3","3","7","1") = "8"
    & skf18("8","8","9","3","3","8","1") = "8"
    & skf18("8","8","9","3","3","9","1") = "8"
    & skf18("8","8","9","3","3","10","1") = "9"
    & skf18("8","8","9","3","4","1","1") = "8"
    & skf18("8","8","9","3","4","2","1") = "8"
    & skf18("8","8","9","3","4","3","1") = "8"
    & skf18("8","8","9","3","4","4","1") = "8"
    & skf18("8","8","9","3","4","5","1") = "8"
    & skf18("8","8","9","3","4","6","1") = "8"
    & skf18("8","8","9","3","4","7","1") = "8"
    & skf18("8","8","9","3","4","8","1") = "8"
    & skf18("8","8","9","3","4","9","1") = "8"
    & skf18("8","8","9","3","4","10","1") = "9"
    & skf18("8","8","9","3","5","1","1") = "8"
    & skf18("8","8","9","3","5","2","1") = "8"
    & skf18("8","8","9","3","5","3","1") = "8"
    & skf18("8","8","9","3","5","4","1") = "8"
    & skf18("8","8","9","3","5","5","1") = "8"
    & skf18("8","8","9","3","5","6","1") = "8"
    & skf18("8","8","9","3","5","7","1") = "8"
    & skf18("8","8","9","3","5","8","1") = "8"
    & skf18("8","8","9","3","5","9","1") = "8"
    & skf18("8","8","9","3","5","10","1") = "9"
    & skf18("8","8","9","3","6","1","1") = "8"
    & skf18("8","8","9","3","6","2","1") = "8"
    & skf18("8","8","9","3","6","3","1") = "8"
    & skf18("8","8","9","3","6","4","1") = "8"
    & skf18("8","8","9","3","6","5","1") = "8"
    & skf18("8","8","9","3","6","6","1") = "8"
    & skf18("8","8","9","3","6","7","1") = "8"
    & skf18("8","8","9","3","6","8","1") = "8"
    & skf18("8","8","9","3","6","9","1") = "8"
    & skf18("8","8","9","3","6","10","1") = "9"
    & skf18("8","8","9","3","7","1","1") = "8"
    & skf18("8","8","9","3","7","2","1") = "8"
    & skf18("8","8","9","3","7","3","1") = "8"
    & skf18("8","8","9","3","7","4","1") = "8"
    & skf18("8","8","9","3","7","5","1") = "8"
    & skf18("8","8","9","3","7","6","1") = "8"
    & skf18("8","8","9","3","7","7","1") = "8"
    & skf18("8","8","9","3","7","8","1") = "8"
    & skf18("8","8","9","3","7","9","1") = "8"
    & skf18("8","8","9","3","7","10","1") = "9"
    & skf18("8","8","9","3","8","1","1") = "8"
    & skf18("8","8","9","3","8","2","1") = "8"
    & skf18("8","8","9","3","8","3","1") = "8"
    & skf18("8","8","9","3","8","4","1") = "8"
    & skf18("8","8","9","3","8","5","1") = "8"
    & skf18("8","8","9","3","8","6","1") = "8"
    & skf18("8","8","9","3","8","7","1") = "8"
    & skf18("8","8","9","3","8","8","1") = "8"
    & skf18("8","8","9","3","8","9","1") = "8"
    & skf18("8","8","9","3","8","10","1") = "9"
    & skf18("8","8","9","3","9","1","1") = "8"
    & skf18("8","8","9","3","9","2","1") = "8"
    & skf18("8","8","9","3","9","3","1") = "8"
    & skf18("8","8","9","3","9","4","1") = "8"
    & skf18("8","8","9","3","9","5","1") = "8"
    & skf18("8","8","9","3","9","6","1") = "8"
    & skf18("8","8","9","3","9","7","1") = "8"
    & skf18("8","8","9","3","9","8","1") = "8"
    & skf18("8","8","9","3","9","9","1") = "8"
    & skf18("8","8","9","3","9","10","1") = "9"
    & skf18("8","8","9","3","10","1","1") = "9"
    & skf18("8","8","9","3","10","2","1") = "9"
    & skf18("8","8","9","3","10","3","1") = "9"
    & skf18("8","8","9","3","10","4","1") = "9"
    & skf18("8","8","9","3","10","5","1") = "9"
    & skf18("8","8","9","3","10","6","1") = "9"
    & skf18("8","8","9","3","10","7","1") = "9"
    & skf18("8","8","9","3","10","8","1") = "9"
    & skf18("8","8","9","3","10","9","1") = "9"
    & skf18("8","8","9","3","10","10","1") = "9"
    & skf18("8","8","9","4","1","1","1") = "8"
    & skf18("8","8","9","4","1","2","1") = "8"
    & skf18("8","8","9","4","1","3","1") = "8"
    & skf18("8","8","9","4","1","4","1") = "8"
    & skf18("8","8","9","4","1","5","1") = "8"
    & skf18("8","8","9","4","1","6","1") = "8"
    & skf18("8","8","9","4","1","7","1") = "8"
    & skf18("8","8","9","4","1","8","1") = "8"
    & skf18("8","8","9","4","1","9","1") = "8"
    & skf18("8","8","9","4","1","10","1") = "9"
    & skf18("8","8","9","4","2","1","1") = "8"
    & skf18("8","8","9","4","2","2","1") = "8"
    & skf18("8","8","9","4","2","3","1") = "8"
    & skf18("8","8","9","4","2","4","1") = "8"
    & skf18("8","8","9","4","2","5","1") = "8"
    & skf18("8","8","9","4","2","6","1") = "8"
    & skf18("8","8","9","4","2","7","1") = "8"
    & skf18("8","8","9","4","2","8","1") = "8"
    & skf18("8","8","9","4","2","9","1") = "8"
    & skf18("8","8","9","4","2","10","1") = "9"
    & skf18("8","8","9","4","3","1","1") = "8"
    & skf18("8","8","9","4","3","2","1") = "8"
    & skf18("8","8","9","4","3","3","1") = "8"
    & skf18("8","8","9","4","3","4","1") = "8"
    & skf18("8","8","9","4","3","5","1") = "8"
    & skf18("8","8","9","4","3","6","1") = "8"
    & skf18("8","8","9","4","3","7","1") = "8"
    & skf18("8","8","9","4","3","8","1") = "8"
    & skf18("8","8","9","4","3","9","1") = "8"
    & skf18("8","8","9","4","3","10","1") = "9"
    & skf18("8","8","9","4","4","1","1") = "8"
    & skf18("8","8","9","4","4","2","1") = "8"
    & skf18("8","8","9","4","4","3","1") = "8"
    & skf18("8","8","9","4","4","4","1") = "8"
    & skf18("8","8","9","4","4","5","1") = "8"
    & skf18("8","8","9","4","4","6","1") = "8"
    & skf18("8","8","9","4","4","7","1") = "8"
    & skf18("8","8","9","4","4","8","1") = "8"
    & skf18("8","8","9","4","4","9","1") = "8"
    & skf18("8","8","9","4","4","10","1") = "9"
    & skf18("8","8","9","4","5","1","1") = "8"
    & skf18("8","8","9","4","5","2","1") = "8"
    & skf18("8","8","9","4","5","3","1") = "8"
    & skf18("8","8","9","4","5","4","1") = "8"
    & skf18("8","8","9","4","5","5","1") = "8"
    & skf18("8","8","9","4","5","6","1") = "8"
    & skf18("8","8","9","4","5","7","1") = "8"
    & skf18("8","8","9","4","5","8","1") = "8"
    & skf18("8","8","9","4","5","9","1") = "8"
    & skf18("8","8","9","4","5","10","1") = "9"
    & skf18("8","8","9","4","6","1","1") = "8"
    & skf18("8","8","9","4","6","2","1") = "8"
    & skf18("8","8","9","4","6","3","1") = "8"
    & skf18("8","8","9","4","6","4","1") = "8"
    & skf18("8","8","9","4","6","5","1") = "8"
    & skf18("8","8","9","4","6","6","1") = "8"
    & skf18("8","8","9","4","6","7","1") = "8"
    & skf18("8","8","9","4","6","8","1") = "8"
    & skf18("8","8","9","4","6","9","1") = "8"
    & skf18("8","8","9","4","6","10","1") = "9"
    & skf18("8","8","9","4","7","1","1") = "8"
    & skf18("8","8","9","4","7","2","1") = "8"
    & skf18("8","8","9","4","7","3","1") = "8"
    & skf18("8","8","9","4","7","4","1") = "8"
    & skf18("8","8","9","4","7","5","1") = "8"
    & skf18("8","8","9","4","7","6","1") = "8"
    & skf18("8","8","9","4","7","7","1") = "8"
    & skf18("8","8","9","4","7","8","1") = "8"
    & skf18("8","8","9","4","7","9","1") = "8"
    & skf18("8","8","9","4","7","10","1") = "9"
    & skf18("8","8","9","4","8","1","1") = "8"
    & skf18("8","8","9","4","8","2","1") = "8"
    & skf18("8","8","9","4","8","3","1") = "8"
    & skf18("8","8","9","4","8","4","1") = "8"
    & skf18("8","8","9","4","8","5","1") = "8"
    & skf18("8","8","9","4","8","6","1") = "8"
    & skf18("8","8","9","4","8","7","1") = "8"
    & skf18("8","8","9","4","8","8","1") = "8"
    & skf18("8","8","9","4","8","9","1") = "8"
    & skf18("8","8","9","4","8","10","1") = "9"
    & skf18("8","8","9","4","9","1","1") = "8"
    & skf18("8","8","9","4","9","2","1") = "8"
    & skf18("8","8","9","4","9","3","1") = "8"
    & skf18("8","8","9","4","9","4","1") = "8"
    & skf18("8","8","9","4","9","5","1") = "8"
    & skf18("8","8","9","4","9","6","1") = "8"
    & skf18("8","8","9","4","9","7","1") = "8"
    & skf18("8","8","9","4","9","8","1") = "8"
    & skf18("8","8","9","4","9","9","1") = "8"
    & skf18("8","8","9","4","9","10","1") = "9"
    & skf18("8","8","9","4","10","1","1") = "9"
    & skf18("8","8","9","4","10","2","1") = "9"
    & skf18("8","8","9","4","10","3","1") = "9"
    & skf18("8","8","9","4","10","4","1") = "9"
    & skf18("8","8","9","4","10","5","1") = "9"
    & skf18("8","8","9","4","10","6","1") = "9"
    & skf18("8","8","9","4","10","7","1") = "9"
    & skf18("8","8","9","4","10","8","1") = "9"
    & skf18("8","8","9","4","10","9","1") = "9"
    & skf18("8","8","9","4","10","10","1") = "9"
    & skf18("8","8","9","5","1","1","1") = "8"
    & skf18("8","8","9","5","1","2","1") = "8"
    & skf18("8","8","9","5","1","3","1") = "8"
    & skf18("8","8","9","5","1","4","1") = "8"
    & skf18("8","8","9","5","1","5","1") = "8"
    & skf18("8","8","9","5","1","6","1") = "8"
    & skf18("8","8","9","5","1","7","1") = "8"
    & skf18("8","8","9","5","1","8","1") = "8"
    & skf18("8","8","9","5","1","9","1") = "8"
    & skf18("8","8","9","5","1","10","1") = "9"
    & skf18("8","8","9","5","2","1","1") = "8"
    & skf18("8","8","9","5","2","2","1") = "8"
    & skf18("8","8","9","5","2","3","1") = "8"
    & skf18("8","8","9","5","2","4","1") = "8"
    & skf18("8","8","9","5","2","5","1") = "8"
    & skf18("8","8","9","5","2","6","1") = "8"
    & skf18("8","8","9","5","2","7","1") = "8"
    & skf18("8","8","9","5","2","8","1") = "8"
    & skf18("8","8","9","5","2","9","1") = "8"
    & skf18("8","8","9","5","2","10","1") = "9"
    & skf18("8","8","9","5","3","1","1") = "8"
    & skf18("8","8","9","5","3","2","1") = "8"
    & skf18("8","8","9","5","3","3","1") = "8"
    & skf18("8","8","9","5","3","4","1") = "8"
    & skf18("8","8","9","5","3","5","1") = "8"
    & skf18("8","8","9","5","3","6","1") = "8"
    & skf18("8","8","9","5","3","7","1") = "8"
    & skf18("8","8","9","5","3","8","1") = "8"
    & skf18("8","8","9","5","3","9","1") = "8"
    & skf18("8","8","9","5","3","10","1") = "9"
    & skf18("8","8","9","5","4","1","1") = "8"
    & skf18("8","8","9","5","4","2","1") = "8"
    & skf18("8","8","9","5","4","3","1") = "8"
    & skf18("8","8","9","5","4","4","1") = "8"
    & skf18("8","8","9","5","4","5","1") = "8"
    & skf18("8","8","9","5","4","6","1") = "8"
    & skf18("8","8","9","5","4","7","1") = "8"
    & skf18("8","8","9","5","4","8","1") = "8"
    & skf18("8","8","9","5","4","9","1") = "8"
    & skf18("8","8","9","5","4","10","1") = "9"
    & skf18("8","8","9","5","5","1","1") = "8"
    & skf18("8","8","9","5","5","2","1") = "8"
    & skf18("8","8","9","5","5","3","1") = "8"
    & skf18("8","8","9","5","5","4","1") = "8"
    & skf18("8","8","9","5","5","5","1") = "8"
    & skf18("8","8","9","5","5","6","1") = "8"
    & skf18("8","8","9","5","5","7","1") = "8"
    & skf18("8","8","9","5","5","8","1") = "8"
    & skf18("8","8","9","5","5","9","1") = "8"
    & skf18("8","8","9","5","5","10","1") = "9"
    & skf18("8","8","9","5","6","1","1") = "8"
    & skf18("8","8","9","5","6","2","1") = "8"
    & skf18("8","8","9","5","6","3","1") = "8"
    & skf18("8","8","9","5","6","4","1") = "8"
    & skf18("8","8","9","5","6","5","1") = "8"
    & skf18("8","8","9","5","6","6","1") = "8"
    & skf18("8","8","9","5","6","7","1") = "8"
    & skf18("8","8","9","5","6","8","1") = "8"
    & skf18("8","8","9","5","6","9","1") = "8"
    & skf18("8","8","9","5","6","10","1") = "9"
    & skf18("8","8","9","5","7","1","1") = "8"
    & skf18("8","8","9","5","7","2","1") = "8"
    & skf18("8","8","9","5","7","3","1") = "8"
    & skf18("8","8","9","5","7","4","1") = "8"
    & skf18("8","8","9","5","7","5","1") = "8"
    & skf18("8","8","9","5","7","6","1") = "8"
    & skf18("8","8","9","5","7","7","1") = "8"
    & skf18("8","8","9","5","7","8","1") = "8"
    & skf18("8","8","9","5","7","9","1") = "8"
    & skf18("8","8","9","5","7","10","1") = "9"
    & skf18("8","8","9","5","8","1","1") = "8"
    & skf18("8","8","9","5","8","2","1") = "8"
    & skf18("8","8","9","5","8","3","1") = "8"
    & skf18("8","8","9","5","8","4","1") = "8"
    & skf18("8","8","9","5","8","5","1") = "8"
    & skf18("8","8","9","5","8","6","1") = "8"
    & skf18("8","8","9","5","8","7","1") = "8"
    & skf18("8","8","9","5","8","8","1") = "8"
    & skf18("8","8","9","5","8","9","1") = "8"
    & skf18("8","8","9","5","8","10","1") = "9"
    & skf18("8","8","9","5","9","1","1") = "8"
    & skf18("8","8","9","5","9","2","1") = "8"
    & skf18("8","8","9","5","9","3","1") = "8"
    & skf18("8","8","9","5","9","4","1") = "8"
    & skf18("8","8","9","5","9","5","1") = "8"
    & skf18("8","8","9","5","9","6","1") = "8"
    & skf18("8","8","9","5","9","7","1") = "8"
    & skf18("8","8","9","5","9","8","1") = "8"
    & skf18("8","8","9","5","9","9","1") = "8"
    & skf18("8","8","9","5","9","10","1") = "9"
    & skf18("8","8","9","5","10","1","1") = "9"
    & skf18("8","8","9","5","10","2","1") = "9"
    & skf18("8","8","9","5","10","3","1") = "9"
    & skf18("8","8","9","5","10","4","1") = "9"
    & skf18("8","8","9","5","10","5","1") = "9"
    & skf18("8","8","9","5","10","6","1") = "9"
    & skf18("8","8","9","5","10","7","1") = "9"
    & skf18("8","8","9","5","10","8","1") = "9"
    & skf18("8","8","9","5","10","9","1") = "9"
    & skf18("8","8","9","5","10","10","1") = "9"
    & skf18("8","8","9","6","1","1","1") = "8"
    & skf18("8","8","9","6","1","2","1") = "8"
    & skf18("8","8","9","6","1","3","1") = "8"
    & skf18("8","8","9","6","1","4","1") = "8"
    & skf18("8","8","9","6","1","5","1") = "8"
    & skf18("8","8","9","6","1","6","1") = "8"
    & skf18("8","8","9","6","1","7","1") = "8"
    & skf18("8","8","9","6","1","8","1") = "8"
    & skf18("8","8","9","6","1","9","1") = "8"
    & skf18("8","8","9","6","1","10","1") = "9"
    & skf18("8","8","9","6","2","1","1") = "8"
    & skf18("8","8","9","6","2","2","1") = "8"
    & skf18("8","8","9","6","2","3","1") = "8"
    & skf18("8","8","9","6","2","4","1") = "8"
    & skf18("8","8","9","6","2","5","1") = "8"
    & skf18("8","8","9","6","2","6","1") = "8"
    & skf18("8","8","9","6","2","7","1") = "8"
    & skf18("8","8","9","6","2","8","1") = "8"
    & skf18("8","8","9","6","2","9","1") = "8"
    & skf18("8","8","9","6","2","10","1") = "9"
    & skf18("8","8","9","6","3","1","1") = "8"
    & skf18("8","8","9","6","3","2","1") = "8"
    & skf18("8","8","9","6","3","3","1") = "8"
    & skf18("8","8","9","6","3","4","1") = "8"
    & skf18("8","8","9","6","3","5","1") = "8"
    & skf18("8","8","9","6","3","6","1") = "8"
    & skf18("8","8","9","6","3","7","1") = "8"
    & skf18("8","8","9","6","3","8","1") = "8"
    & skf18("8","8","9","6","3","9","1") = "8"
    & skf18("8","8","9","6","3","10","1") = "9"
    & skf18("8","8","9","6","4","1","1") = "8"
    & skf18("8","8","9","6","4","2","1") = "8"
    & skf18("8","8","9","6","4","3","1") = "8"
    & skf18("8","8","9","6","4","4","1") = "8"
    & skf18("8","8","9","6","4","5","1") = "8"
    & skf18("8","8","9","6","4","6","1") = "8"
    & skf18("8","8","9","6","4","7","1") = "8"
    & skf18("8","8","9","6","4","8","1") = "8"
    & skf18("8","8","9","6","4","9","1") = "8"
    & skf18("8","8","9","6","4","10","1") = "9"
    & skf18("8","8","9","6","5","1","1") = "8"
    & skf18("8","8","9","6","5","2","1") = "8"
    & skf18("8","8","9","6","5","3","1") = "8"
    & skf18("8","8","9","6","5","4","1") = "8"
    & skf18("8","8","9","6","5","5","1") = "8"
    & skf18("8","8","9","6","5","6","1") = "8"
    & skf18("8","8","9","6","5","7","1") = "8"
    & skf18("8","8","9","6","5","8","1") = "8"
    & skf18("8","8","9","6","5","9","1") = "8"
    & skf18("8","8","9","6","5","10","1") = "9"
    & skf18("8","8","9","6","6","1","1") = "8"
    & skf18("8","8","9","6","6","2","1") = "8"
    & skf18("8","8","9","6","6","3","1") = "8"
    & skf18("8","8","9","6","6","4","1") = "8"
    & skf18("8","8","9","6","6","5","1") = "8"
    & skf18("8","8","9","6","6","6","1") = "8"
    & skf18("8","8","9","6","6","7","1") = "8"
    & skf18("8","8","9","6","6","8","1") = "8"
    & skf18("8","8","9","6","6","9","1") = "8"
    & skf18("8","8","9","6","6","10","1") = "9"
    & skf18("8","8","9","6","7","1","1") = "8"
    & skf18("8","8","9","6","7","2","1") = "8"
    & skf18("8","8","9","6","7","3","1") = "8"
    & skf18("8","8","9","6","7","4","1") = "8"
    & skf18("8","8","9","6","7","5","1") = "8"
    & skf18("8","8","9","6","7","6","1") = "8"
    & skf18("8","8","9","6","7","7","1") = "8"
    & skf18("8","8","9","6","7","8","1") = "8"
    & skf18("8","8","9","6","7","9","1") = "8"
    & skf18("8","8","9","6","7","10","1") = "9"
    & skf18("8","8","9","6","8","1","1") = "8"
    & skf18("8","8","9","6","8","2","1") = "8"
    & skf18("8","8","9","6","8","3","1") = "8"
    & skf18("8","8","9","6","8","4","1") = "8"
    & skf18("8","8","9","6","8","5","1") = "8"
    & skf18("8","8","9","6","8","6","1") = "8"
    & skf18("8","8","9","6","8","7","1") = "8"
    & skf18("8","8","9","6","8","8","1") = "8"
    & skf18("8","8","9","6","8","9","1") = "8"
    & skf18("8","8","9","6","8","10","1") = "9"
    & skf18("8","8","9","6","9","1","1") = "8"
    & skf18("8","8","9","6","9","2","1") = "8"
    & skf18("8","8","9","6","9","3","1") = "8"
    & skf18("8","8","9","6","9","4","1") = "8"
    & skf18("8","8","9","6","9","5","1") = "8"
    & skf18("8","8","9","6","9","6","1") = "8"
    & skf18("8","8","9","6","9","7","1") = "8"
    & skf18("8","8","9","6","9","8","1") = "8"
    & skf18("8","8","9","6","9","9","1") = "8"
    & skf18("8","8","9","6","9","10","1") = "9"
    & skf18("8","8","9","6","10","1","1") = "9"
    & skf18("8","8","9","6","10","2","1") = "9"
    & skf18("8","8","9","6","10","3","1") = "9"
    & skf18("8","8","9","6","10","4","1") = "9"
    & skf18("8","8","9","6","10","5","1") = "9"
    & skf18("8","8","9","6","10","6","1") = "9"
    & skf18("8","8","9","6","10","7","1") = "9"
    & skf18("8","8","9","6","10","8","1") = "9"
    & skf18("8","8","9","6","10","9","1") = "9"
    & skf18("8","8","9","6","10","10","1") = "9"
    & skf18("8","8","9","7","1","1","1") = "8"
    & skf18("8","8","9","7","1","2","1") = "8"
    & skf18("8","8","9","7","1","3","1") = "8"
    & skf18("8","8","9","7","1","4","1") = "8"
    & skf18("8","8","9","7","1","5","1") = "8"
    & skf18("8","8","9","7","1","6","1") = "8"
    & skf18("8","8","9","7","1","7","1") = "8"
    & skf18("8","8","9","7","1","8","1") = "8"
    & skf18("8","8","9","7","1","9","1") = "8"
    & skf18("8","8","9","7","1","10","1") = "9"
    & skf18("8","8","9","7","2","1","1") = "8"
    & skf18("8","8","9","7","2","2","1") = "8"
    & skf18("8","8","9","7","2","3","1") = "8"
    & skf18("8","8","9","7","2","4","1") = "8"
    & skf18("8","8","9","7","2","5","1") = "8"
    & skf18("8","8","9","7","2","6","1") = "8"
    & skf18("8","8","9","7","2","7","1") = "8"
    & skf18("8","8","9","7","2","8","1") = "8"
    & skf18("8","8","9","7","2","9","1") = "8"
    & skf18("8","8","9","7","2","10","1") = "9"
    & skf18("8","8","9","7","3","1","1") = "8"
    & skf18("8","8","9","7","3","2","1") = "8"
    & skf18("8","8","9","7","3","3","1") = "8"
    & skf18("8","8","9","7","3","4","1") = "8"
    & skf18("8","8","9","7","3","5","1") = "8"
    & skf18("8","8","9","7","3","6","1") = "8"
    & skf18("8","8","9","7","3","7","1") = "8"
    & skf18("8","8","9","7","3","8","1") = "8"
    & skf18("8","8","9","7","3","9","1") = "8"
    & skf18("8","8","9","7","3","10","1") = "9"
    & skf18("8","8","9","7","4","1","1") = "8"
    & skf18("8","8","9","7","4","2","1") = "8"
    & skf18("8","8","9","7","4","3","1") = "8"
    & skf18("8","8","9","7","4","4","1") = "8"
    & skf18("8","8","9","7","4","5","1") = "8"
    & skf18("8","8","9","7","4","6","1") = "8"
    & skf18("8","8","9","7","4","7","1") = "8"
    & skf18("8","8","9","7","4","8","1") = "8"
    & skf18("8","8","9","7","4","9","1") = "8"
    & skf18("8","8","9","7","4","10","1") = "9"
    & skf18("8","8","9","7","5","1","1") = "8"
    & skf18("8","8","9","7","5","2","1") = "8"
    & skf18("8","8","9","7","5","3","1") = "8"
    & skf18("8","8","9","7","5","4","1") = "8"
    & skf18("8","8","9","7","5","5","1") = "8"
    & skf18("8","8","9","7","5","6","1") = "8"
    & skf18("8","8","9","7","5","7","1") = "8"
    & skf18("8","8","9","7","5","8","1") = "8"
    & skf18("8","8","9","7","5","9","1") = "8"
    & skf18("8","8","9","7","5","10","1") = "9"
    & skf18("8","8","9","7","6","1","1") = "8"
    & skf18("8","8","9","7","6","2","1") = "8"
    & skf18("8","8","9","7","6","3","1") = "8"
    & skf18("8","8","9","7","6","4","1") = "8"
    & skf18("8","8","9","7","6","5","1") = "8"
    & skf18("8","8","9","7","6","6","1") = "8"
    & skf18("8","8","9","7","6","7","1") = "8"
    & skf18("8","8","9","7","6","8","1") = "8"
    & skf18("8","8","9","7","6","9","1") = "8"
    & skf18("8","8","9","7","6","10","1") = "9"
    & skf18("8","8","9","7","7","1","1") = "8"
    & skf18("8","8","9","7","7","2","1") = "8"
    & skf18("8","8","9","7","7","3","1") = "8"
    & skf18("8","8","9","7","7","4","1") = "8"
    & skf18("8","8","9","7","7","5","1") = "8"
    & skf18("8","8","9","7","7","6","1") = "8"
    & skf18("8","8","9","7","7","7","1") = "8"
    & skf18("8","8","9","7","7","8","1") = "8"
    & skf18("8","8","9","7","7","9","1") = "8"
    & skf18("8","8","9","7","7","10","1") = "9"
    & skf18("8","8","9","7","8","1","1") = "8"
    & skf18("8","8","9","7","8","2","1") = "8"
    & skf18("8","8","9","7","8","3","1") = "8"
    & skf18("8","8","9","7","8","4","1") = "8"
    & skf18("8","8","9","7","8","5","1") = "8"
    & skf18("8","8","9","7","8","6","1") = "8"
    & skf18("8","8","9","7","8","7","1") = "8"
    & skf18("8","8","9","7","8","8","1") = "8"
    & skf18("8","8","9","7","8","9","1") = "8"
    & skf18("8","8","9","7","8","10","1") = "9"
    & skf18("8","8","9","7","9","1","1") = "8"
    & skf18("8","8","9","7","9","2","1") = "8"
    & skf18("8","8","9","7","9","3","1") = "8"
    & skf18("8","8","9","7","9","4","1") = "8"
    & skf18("8","8","9","7","9","5","1") = "8"
    & skf18("8","8","9","7","9","6","1") = "8"
    & skf18("8","8","9","7","9","7","1") = "8"
    & skf18("8","8","9","7","9","8","1") = "8"
    & skf18("8","8","9","7","9","9","1") = "8"
    & skf18("8","8","9","7","9","10","1") = "9"
    & skf18("8","8","9","7","10","1","1") = "9"
    & skf18("8","8","9","7","10","2","1") = "9"
    & skf18("8","8","9","7","10","3","1") = "9"
    & skf18("8","8","9","7","10","4","1") = "9"
    & skf18("8","8","9","7","10","5","1") = "9"
    & skf18("8","8","9","7","10","6","1") = "9"
    & skf18("8","8","9","7","10","7","1") = "9"
    & skf18("8","8","9","7","10","8","1") = "9"
    & skf18("8","8","9","7","10","9","1") = "9"
    & skf18("8","8","9","7","10","10","1") = "9"
    & skf18("8","8","9","8","1","1","1") = "8"
    & skf18("8","8","9","8","1","2","1") = "8"
    & skf18("8","8","9","8","1","3","1") = "8"
    & skf18("8","8","9","8","1","4","1") = "8"
    & skf18("8","8","9","8","1","5","1") = "8"
    & skf18("8","8","9","8","1","6","1") = "8"
    & skf18("8","8","9","8","1","7","1") = "8"
    & skf18("8","8","9","8","1","8","1") = "8"
    & skf18("8","8","9","8","1","9","1") = "8"
    & skf18("8","8","9","8","1","10","1") = "9"
    & skf18("8","8","9","8","2","1","1") = "8"
    & skf18("8","8","9","8","2","2","1") = "8"
    & skf18("8","8","9","8","2","3","1") = "8"
    & skf18("8","8","9","8","2","4","1") = "8"
    & skf18("8","8","9","8","2","5","1") = "8"
    & skf18("8","8","9","8","2","6","1") = "8"
    & skf18("8","8","9","8","2","7","1") = "8"
    & skf18("8","8","9","8","2","8","1") = "8"
    & skf18("8","8","9","8","2","9","1") = "8"
    & skf18("8","8","9","8","2","10","1") = "9"
    & skf18("8","8","9","8","3","1","1") = "8"
    & skf18("8","8","9","8","3","2","1") = "8"
    & skf18("8","8","9","8","3","3","1") = "8"
    & skf18("8","8","9","8","3","4","1") = "8"
    & skf18("8","8","9","8","3","5","1") = "8"
    & skf18("8","8","9","8","3","6","1") = "8"
    & skf18("8","8","9","8","3","7","1") = "8"
    & skf18("8","8","9","8","3","8","1") = "8"
    & skf18("8","8","9","8","3","9","1") = "8"
    & skf18("8","8","9","8","3","10","1") = "9"
    & skf18("8","8","9","8","4","1","1") = "8"
    & skf18("8","8","9","8","4","2","1") = "8"
    & skf18("8","8","9","8","4","3","1") = "8"
    & skf18("8","8","9","8","4","4","1") = "8"
    & skf18("8","8","9","8","4","5","1") = "8"
    & skf18("8","8","9","8","4","6","1") = "8"
    & skf18("8","8","9","8","4","7","1") = "8"
    & skf18("8","8","9","8","4","8","1") = "8"
    & skf18("8","8","9","8","4","9","1") = "8"
    & skf18("8","8","9","8","4","10","1") = "9"
    & skf18("8","8","9","8","5","1","1") = "8"
    & skf18("8","8","9","8","5","2","1") = "8"
    & skf18("8","8","9","8","5","3","1") = "8"
    & skf18("8","8","9","8","5","4","1") = "8"
    & skf18("8","8","9","8","5","5","1") = "8"
    & skf18("8","8","9","8","5","6","1") = "8"
    & skf18("8","8","9","8","5","7","1") = "8"
    & skf18("8","8","9","8","5","8","1") = "8"
    & skf18("8","8","9","8","5","9","1") = "8"
    & skf18("8","8","9","8","5","10","1") = "9"
    & skf18("8","8","9","8","6","1","1") = "8"
    & skf18("8","8","9","8","6","2","1") = "8"
    & skf18("8","8","9","8","6","3","1") = "8"
    & skf18("8","8","9","8","6","4","1") = "8"
    & skf18("8","8","9","8","6","5","1") = "8"
    & skf18("8","8","9","8","6","6","1") = "8"
    & skf18("8","8","9","8","6","7","1") = "8"
    & skf18("8","8","9","8","6","8","1") = "8"
    & skf18("8","8","9","8","6","9","1") = "8"
    & skf18("8","8","9","8","6","10","1") = "9"
    & skf18("8","8","9","8","7","1","1") = "8"
    & skf18("8","8","9","8","7","2","1") = "8"
    & skf18("8","8","9","8","7","3","1") = "8"
    & skf18("8","8","9","8","7","4","1") = "8"
    & skf18("8","8","9","8","7","5","1") = "8"
    & skf18("8","8","9","8","7","6","1") = "8"
    & skf18("8","8","9","8","7","7","1") = "8"
    & skf18("8","8","9","8","7","8","1") = "8"
    & skf18("8","8","9","8","7","9","1") = "8"
    & skf18("8","8","9","8","7","10","1") = "9"
    & skf18("8","8","9","8","8","1","1") = "8"
    & skf18("8","8","9","8","8","2","1") = "8"
    & skf18("8","8","9","8","8","3","1") = "8"
    & skf18("8","8","9","8","8","4","1") = "8"
    & skf18("8","8","9","8","8","5","1") = "8"
    & skf18("8","8","9","8","8","6","1") = "8"
    & skf18("8","8","9","8","8","7","1") = "8"
    & skf18("8","8","9","8","8","8","1") = "8"
    & skf18("8","8","9","8","8","9","1") = "8"
    & skf18("8","8","9","8","8","10","1") = "9"
    & skf18("8","8","9","8","9","1","1") = "8"
    & skf18("8","8","9","8","9","2","1") = "8"
    & skf18("8","8","9","8","9","3","1") = "8"
    & skf18("8","8","9","8","9","4","1") = "8"
    & skf18("8","8","9","8","9","5","1") = "8"
    & skf18("8","8","9","8","9","6","1") = "8"
    & skf18("8","8","9","8","9","7","1") = "8"
    & skf18("8","8","9","8","9","8","1") = "8"
    & skf18("8","8","9","8","9","9","1") = "8"
    & skf18("8","8","9","8","9","10","1") = "9"
    & skf18("8","8","9","8","10","1","1") = "9"
    & skf18("8","8","9","8","10","2","1") = "9"
    & skf18("8","8","9","8","10","3","1") = "9"
    & skf18("8","8","9","8","10","4","1") = "9"
    & skf18("8","8","9","8","10","5","1") = "9"
    & skf18("8","8","9","8","10","6","1") = "9"
    & skf18("8","8","9","8","10","7","1") = "9"
    & skf18("8","8","9","8","10","8","1") = "9"
    & skf18("8","8","9","8","10","9","1") = "9"
    & skf18("8","8","9","8","10","10","1") = "9"
    & skf18("8","8","9","9","1","1","1") = "8"
    & skf18("8","8","9","9","1","2","1") = "8"
    & skf18("8","8","9","9","1","3","1") = "8"
    & skf18("8","8","9","9","1","4","1") = "8"
    & skf18("8","8","9","9","1","5","1") = "8"
    & skf18("8","8","9","9","1","6","1") = "8"
    & skf18("8","8","9","9","1","7","1") = "8"
    & skf18("8","8","9","9","1","8","1") = "8"
    & skf18("8","8","9","9","1","9","1") = "8"
    & skf18("8","8","9","9","1","10","1") = "9"
    & skf18("8","8","9","9","2","1","1") = "8"
    & skf18("8","8","9","9","2","2","1") = "8"
    & skf18("8","8","9","9","2","3","1") = "8"
    & skf18("8","8","9","9","2","4","1") = "8"
    & skf18("8","8","9","9","2","5","1") = "8"
    & skf18("8","8","9","9","2","6","1") = "8"
    & skf18("8","8","9","9","2","7","1") = "8"
    & skf18("8","8","9","9","2","8","1") = "8"
    & skf18("8","8","9","9","2","9","1") = "8"
    & skf18("8","8","9","9","2","10","1") = "9"
    & skf18("8","8","9","9","3","1","1") = "8"
    & skf18("8","8","9","9","3","2","1") = "8"
    & skf18("8","8","9","9","3","3","1") = "8"
    & skf18("8","8","9","9","3","4","1") = "8"
    & skf18("8","8","9","9","3","5","1") = "8"
    & skf18("8","8","9","9","3","6","1") = "8"
    & skf18("8","8","9","9","3","7","1") = "8"
    & skf18("8","8","9","9","3","8","1") = "8"
    & skf18("8","8","9","9","3","9","1") = "8"
    & skf18("8","8","9","9","3","10","1") = "9"
    & skf18("8","8","9","9","4","1","1") = "8"
    & skf18("8","8","9","9","4","2","1") = "8"
    & skf18("8","8","9","9","4","3","1") = "8"
    & skf18("8","8","9","9","4","4","1") = "8"
    & skf18("8","8","9","9","4","5","1") = "8"
    & skf18("8","8","9","9","4","6","1") = "8"
    & skf18("8","8","9","9","4","7","1") = "8"
    & skf18("8","8","9","9","4","8","1") = "8"
    & skf18("8","8","9","9","4","9","1") = "8"
    & skf18("8","8","9","9","4","10","1") = "9"
    & skf18("8","8","9","9","5","1","1") = "8"
    & skf18("8","8","9","9","5","2","1") = "8"
    & skf18("8","8","9","9","5","3","1") = "8"
    & skf18("8","8","9","9","5","4","1") = "8"
    & skf18("8","8","9","9","5","5","1") = "8"
    & skf18("8","8","9","9","5","6","1") = "8"
    & skf18("8","8","9","9","5","7","1") = "8"
    & skf18("8","8","9","9","5","8","1") = "8"
    & skf18("8","8","9","9","5","9","1") = "8"
    & skf18("8","8","9","9","5","10","1") = "9"
    & skf18("8","8","9","9","6","1","1") = "8"
    & skf18("8","8","9","9","6","2","1") = "8"
    & skf18("8","8","9","9","6","3","1") = "8"
    & skf18("8","8","9","9","6","4","1") = "8"
    & skf18("8","8","9","9","6","5","1") = "8"
    & skf18("8","8","9","9","6","6","1") = "8"
    & skf18("8","8","9","9","6","7","1") = "8"
    & skf18("8","8","9","9","6","8","1") = "8"
    & skf18("8","8","9","9","6","9","1") = "8"
    & skf18("8","8","9","9","6","10","1") = "9"
    & skf18("8","8","9","9","7","1","1") = "8"
    & skf18("8","8","9","9","7","2","1") = "8"
    & skf18("8","8","9","9","7","3","1") = "8"
    & skf18("8","8","9","9","7","4","1") = "8"
    & skf18("8","8","9","9","7","5","1") = "8"
    & skf18("8","8","9","9","7","6","1") = "8"
    & skf18("8","8","9","9","7","7","1") = "8"
    & skf18("8","8","9","9","7","8","1") = "8"
    & skf18("8","8","9","9","7","9","1") = "8"
    & skf18("8","8","9","9","7","10","1") = "9"
    & skf18("8","8","9","9","8","1","1") = "8"
    & skf18("8","8","9","9","8","2","1") = "8"
    & skf18("8","8","9","9","8","3","1") = "8"
    & skf18("8","8","9","9","8","4","1") = "8"
    & skf18("8","8","9","9","8","5","1") = "8"
    & skf18("8","8","9","9","8","6","1") = "8"
    & skf18("8","8","9","9","8","7","1") = "8"
    & skf18("8","8","9","9","8","8","1") = "8"
    & skf18("8","8","9","9","8","9","1") = "8"
    & skf18("8","8","9","9","8","10","1") = "9"
    & skf18("8","8","9","9","9","1","1") = "8"
    & skf18("8","8","9","9","9","2","1") = "8"
    & skf18("8","8","9","9","9","3","1") = "8"
    & skf18("8","8","9","9","9","4","1") = "8"
    & skf18("8","8","9","9","9","5","1") = "8"
    & skf18("8","8","9","9","9","6","1") = "8"
    & skf18("8","8","9","9","9","7","1") = "8"
    & skf18("8","8","9","9","9","8","1") = "8"
    & skf18("8","8","9","9","9","9","1") = "8"
    & skf18("8","8","9","9","9","10","1") = "9"
    & skf18("8","8","9","9","10","1","1") = "9"
    & skf18("8","8","9","9","10","2","1") = "9"
    & skf18("8","8","9","9","10","3","1") = "9"
    & skf18("8","8","9","9","10","4","1") = "9"
    & skf18("8","8","9","9","10","5","1") = "9"
    & skf18("8","8","9","9","10","6","1") = "9"
    & skf18("8","8","9","9","10","7","1") = "9"
    & skf18("8","8","9","9","10","8","1") = "9"
    & skf18("8","8","9","9","10","9","1") = "9"
    & skf18("8","8","9","9","10","10","1") = "9"
    & skf18("8","8","9","10","1","1","1") = "9"
    & skf18("8","8","9","10","1","2","1") = "9"
    & skf18("8","8","9","10","1","3","1") = "9"
    & skf18("8","8","9","10","1","4","1") = "9"
    & skf18("8","8","9","10","1","5","1") = "9"
    & skf18("8","8","9","10","1","6","1") = "9"
    & skf18("8","8","9","10","1","7","1") = "9"
    & skf18("8","8","9","10","1","8","1") = "9"
    & skf18("8","8","9","10","1","9","1") = "9"
    & skf18("8","8","9","10","1","10","1") = "9"
    & skf18("8","8","9","10","2","1","1") = "9"
    & skf18("8","8","9","10","2","2","1") = "9"
    & skf18("8","8","9","10","2","3","1") = "9"
    & skf18("8","8","9","10","2","4","1") = "9"
    & skf18("8","8","9","10","2","5","1") = "9"
    & skf18("8","8","9","10","2","6","1") = "9"
    & skf18("8","8","9","10","2","7","1") = "9"
    & skf18("8","8","9","10","2","8","1") = "9"
    & skf18("8","8","9","10","2","9","1") = "9"
    & skf18("8","8","9","10","2","10","1") = "9"
    & skf18("8","8","9","10","3","1","1") = "9"
    & skf18("8","8","9","10","3","2","1") = "9"
    & skf18("8","8","9","10","3","3","1") = "9"
    & skf18("8","8","9","10","3","4","1") = "9"
    & skf18("8","8","9","10","3","5","1") = "9"
    & skf18("8","8","9","10","3","6","1") = "9"
    & skf18("8","8","9","10","3","7","1") = "9"
    & skf18("8","8","9","10","3","8","1") = "9"
    & skf18("8","8","9","10","3","9","1") = "9"
    & skf18("8","8","9","10","3","10","1") = "9"
    & skf18("8","8","9","10","4","1","1") = "9"
    & skf18("8","8","9","10","4","2","1") = "9"
    & skf18("8","8","9","10","4","3","1") = "9"
    & skf18("8","8","9","10","4","4","1") = "9"
    & skf18("8","8","9","10","4","5","1") = "9"
    & skf18("8","8","9","10","4","6","1") = "9"
    & skf18("8","8","9","10","4","7","1") = "9"
    & skf18("8","8","9","10","4","8","1") = "9"
    & skf18("8","8","9","10","4","9","1") = "9"
    & skf18("8","8","9","10","4","10","1") = "9"
    & skf18("8","8","9","10","5","1","1") = "9"
    & skf18("8","8","9","10","5","2","1") = "9"
    & skf18("8","8","9","10","5","3","1") = "9"
    & skf18("8","8","9","10","5","4","1") = "9"
    & skf18("8","8","9","10","5","5","1") = "9"
    & skf18("8","8","9","10","5","6","1") = "9"
    & skf18("8","8","9","10","5","7","1") = "9"
    & skf18("8","8","9","10","5","8","1") = "9"
    & skf18("8","8","9","10","5","9","1") = "9"
    & skf18("8","8","9","10","5","10","1") = "9"
    & skf18("8","8","9","10","6","1","1") = "9"
    & skf18("8","8","9","10","6","2","1") = "9"
    & skf18("8","8","9","10","6","3","1") = "9"
    & skf18("8","8","9","10","6","4","1") = "9"
    & skf18("8","8","9","10","6","5","1") = "9"
    & skf18("8","8","9","10","6","6","1") = "9"
    & skf18("8","8","9","10","6","7","1") = "9"
    & skf18("8","8","9","10","6","8","1") = "9"
    & skf18("8","8","9","10","6","9","1") = "9"
    & skf18("8","8","9","10","6","10","1") = "9"
    & skf18("8","8","9","10","7","1","1") = "9"
    & skf18("8","8","9","10","7","2","1") = "9"
    & skf18("8","8","9","10","7","3","1") = "9"
    & skf18("8","8","9","10","7","4","1") = "9"
    & skf18("8","8","9","10","7","5","1") = "9"
    & skf18("8","8","9","10","7","6","1") = "9"
    & skf18("8","8","9","10","7","7","1") = "9"
    & skf18("8","8","9","10","7","8","1") = "9"
    & skf18("8","8","9","10","7","9","1") = "9"
    & skf18("8","8","9","10","7","10","1") = "9"
    & skf18("8","8","9","10","8","1","1") = "9"
    & skf18("8","8","9","10","8","2","1") = "9"
    & skf18("8","8","9","10","8","3","1") = "9"
    & skf18("8","8","9","10","8","4","1") = "9"
    & skf18("8","8","9","10","8","5","1") = "9"
    & skf18("8","8","9","10","8","6","1") = "9"
    & skf18("8","8","9","10","8","7","1") = "9"
    & skf18("8","8","9","10","8","8","1") = "9"
    & skf18("8","8","9","10","8","9","1") = "9"
    & skf18("8","8","9","10","8","10","1") = "9"
    & skf18("8","8","9","10","9","1","1") = "9"
    & skf18("8","8","9","10","9","2","1") = "9"
    & skf18("8","8","9","10","9","3","1") = "9"
    & skf18("8","8","9","10","9","4","1") = "9"
    & skf18("8","8","9","10","9","5","1") = "9"
    & skf18("8","8","9","10","9","6","1") = "9"
    & skf18("8","8","9","10","9","7","1") = "9"
    & skf18("8","8","9","10","9","8","1") = "9"
    & skf18("8","8","9","10","9","9","1") = "9"
    & skf18("8","8","9","10","9","10","1") = "9"
    & skf18("8","8","9","10","10","1","1") = "9"
    & skf18("8","8","9","10","10","2","1") = "9"
    & skf18("8","8","9","10","10","3","1") = "9"
    & skf18("8","8","9","10","10","4","1") = "9"
    & skf18("8","8","9","10","10","5","1") = "9"
    & skf18("8","8","9","10","10","6","1") = "9"
    & skf18("8","8","9","10","10","7","1") = "9"
    & skf18("8","8","9","10","10","8","1") = "9"
    & skf18("8","8","9","10","10","9","1") = "9"
    & skf18("8","8","9","10","10","10","1") = "9"
    & skf18("8","8","10","1","1","1","1") = "9"
    & skf18("8","8","10","1","1","2","1") = "9"
    & skf18("8","8","10","1","1","3","1") = "9"
    & skf18("8","8","10","1","1","4","1") = "9"
    & skf18("8","8","10","1","1","5","1") = "9"
    & skf18("8","8","10","1","1","6","1") = "9"
    & skf18("8","8","10","1","1","7","1") = "9"
    & skf18("8","8","10","1","1","8","1") = "9"
    & skf18("8","8","10","1","1","9","1") = "9"
    & skf18("8","8","10","1","1","10","1") = "9"
    & skf18("8","8","10","1","2","1","1") = "9"
    & skf18("8","8","10","1","2","2","1") = "9"
    & skf18("8","8","10","1","2","3","1") = "9"
    & skf18("8","8","10","1","2","4","1") = "9"
    & skf18("8","8","10","1","2","5","1") = "9"
    & skf18("8","8","10","1","2","6","1") = "9"
    & skf18("8","8","10","1","2","7","1") = "9"
    & skf18("8","8","10","1","2","8","1") = "9"
    & skf18("8","8","10","1","2","9","1") = "9"
    & skf18("8","8","10","1","2","10","1") = "9"
    & skf18("8","8","10","1","3","1","1") = "9"
    & skf18("8","8","10","1","3","2","1") = "9"
    & skf18("8","8","10","1","3","3","1") = "9"
    & skf18("8","8","10","1","3","4","1") = "9"
    & skf18("8","8","10","1","3","5","1") = "9"
    & skf18("8","8","10","1","3","6","1") = "9"
    & skf18("8","8","10","1","3","7","1") = "9"
    & skf18("8","8","10","1","3","8","1") = "9"
    & skf18("8","8","10","1","3","9","1") = "9"
    & skf18("8","8","10","1","3","10","1") = "9"
    & skf18("8","8","10","1","4","1","1") = "9"
    & skf18("8","8","10","1","4","2","1") = "9"
    & skf18("8","8","10","1","4","3","1") = "9"
    & skf18("8","8","10","1","4","4","1") = "9"
    & skf18("8","8","10","1","4","5","1") = "9"
    & skf18("8","8","10","1","4","6","1") = "9"
    & skf18("8","8","10","1","4","7","1") = "9"
    & skf18("8","8","10","1","4","8","1") = "9"
    & skf18("8","8","10","1","4","9","1") = "9"
    & skf18("8","8","10","1","4","10","1") = "9"
    & skf18("8","8","10","1","5","1","1") = "9"
    & skf18("8","8","10","1","5","2","1") = "9"
    & skf18("8","8","10","1","5","3","1") = "9"
    & skf18("8","8","10","1","5","4","1") = "9"
    & skf18("8","8","10","1","5","5","1") = "9"
    & skf18("8","8","10","1","5","6","1") = "9"
    & skf18("8","8","10","1","5","7","1") = "9"
    & skf18("8","8","10","1","5","8","1") = "9"
    & skf18("8","8","10","1","5","9","1") = "9"
    & skf18("8","8","10","1","5","10","1") = "9"
    & skf18("8","8","10","1","6","1","1") = "9"
    & skf18("8","8","10","1","6","2","1") = "9"
    & skf18("8","8","10","1","6","3","1") = "9"
    & skf18("8","8","10","1","6","4","1") = "9"
    & skf18("8","8","10","1","6","5","1") = "9"
    & skf18("8","8","10","1","6","6","1") = "9"
    & skf18("8","8","10","1","6","7","1") = "9"
    & skf18("8","8","10","1","6","8","1") = "9"
    & skf18("8","8","10","1","6","9","1") = "9"
    & skf18("8","8","10","1","6","10","1") = "9"
    & skf18("8","8","10","1","7","1","1") = "9"
    & skf18("8","8","10","1","7","2","1") = "9"
    & skf18("8","8","10","1","7","3","1") = "9"
    & skf18("8","8","10","1","7","4","1") = "9"
    & skf18("8","8","10","1","7","5","1") = "9"
    & skf18("8","8","10","1","7","6","1") = "9"
    & skf18("8","8","10","1","7","7","1") = "9"
    & skf18("8","8","10","1","7","8","1") = "9"
    & skf18("8","8","10","1","7","9","1") = "9"
    & skf18("8","8","10","1","7","10","1") = "9"
    & skf18("8","8","10","1","8","1","1") = "9"
    & skf18("8","8","10","1","8","2","1") = "9"
    & skf18("8","8","10","1","8","3","1") = "9"
    & skf18("8","8","10","1","8","4","1") = "9"
    & skf18("8","8","10","1","8","5","1") = "9"
    & skf18("8","8","10","1","8","6","1") = "9"
    & skf18("8","8","10","1","8","7","1") = "9"
    & skf18("8","8","10","1","8","8","1") = "9"
    & skf18("8","8","10","1","8","9","1") = "9"
    & skf18("8","8","10","1","8","10","1") = "9"
    & skf18("8","8","10","1","9","1","1") = "9"
    & skf18("8","8","10","1","9","2","1") = "9"
    & skf18("8","8","10","1","9","3","1") = "9"
    & skf18("8","8","10","1","9","4","1") = "9"
    & skf18("8","8","10","1","9","5","1") = "9"
    & skf18("8","8","10","1","9","6","1") = "9"
    & skf18("8","8","10","1","9","7","1") = "9"
    & skf18("8","8","10","1","9","8","1") = "9"
    & skf18("8","8","10","1","9","9","1") = "9"
    & skf18("8","8","10","1","9","10","1") = "9"
    & skf18("8","8","10","1","10","1","1") = "9"
    & skf18("8","8","10","1","10","2","1") = "9"
    & skf18("8","8","10","1","10","3","1") = "9"
    & skf18("8","8","10","1","10","4","1") = "9"
    & skf18("8","8","10","1","10","5","1") = "9"
    & skf18("8","8","10","1","10","6","1") = "9"
    & skf18("8","8","10","1","10","7","1") = "9"
    & skf18("8","8","10","1","10","8","1") = "9"
    & skf18("8","8","10","1","10","9","1") = "9"
    & skf18("8","8","10","1","10","10","1") = "9"
    & skf18("8","8","10","2","1","1","1") = "9"
    & skf18("8","8","10","2","1","2","1") = "9"
    & skf18("8","8","10","2","1","3","1") = "9"
    & skf18("8","8","10","2","1","4","1") = "9"
    & skf18("8","8","10","2","1","5","1") = "9"
    & skf18("8","8","10","2","1","6","1") = "9"
    & skf18("8","8","10","2","1","7","1") = "9"
    & skf18("8","8","10","2","1","8","1") = "9"
    & skf18("8","8","10","2","1","9","1") = "9"
    & skf18("8","8","10","2","1","10","1") = "9"
    & skf18("8","8","10","2","2","1","1") = "9"
    & skf18("8","8","10","2","2","2","1") = "9"
    & skf18("8","8","10","2","2","3","1") = "9"
    & skf18("8","8","10","2","2","4","1") = "9"
    & skf18("8","8","10","2","2","5","1") = "9"
    & skf18("8","8","10","2","2","6","1") = "9"
    & skf18("8","8","10","2","2","7","1") = "9"
    & skf18("8","8","10","2","2","8","1") = "9"
    & skf18("8","8","10","2","2","9","1") = "9"
    & skf18("8","8","10","2","2","10","1") = "9"
    & skf18("8","8","10","2","3","1","1") = "9"
    & skf18("8","8","10","2","3","2","1") = "9"
    & skf18("8","8","10","2","3","3","1") = "9"
    & skf18("8","8","10","2","3","4","1") = "9"
    & skf18("8","8","10","2","3","5","1") = "9"
    & skf18("8","8","10","2","3","6","1") = "9"
    & skf18("8","8","10","2","3","7","1") = "9"
    & skf18("8","8","10","2","3","8","1") = "9"
    & skf18("8","8","10","2","3","9","1") = "9"
    & skf18("8","8","10","2","3","10","1") = "9"
    & skf18("8","8","10","2","4","1","1") = "9"
    & skf18("8","8","10","2","4","2","1") = "9"
    & skf18("8","8","10","2","4","3","1") = "9"
    & skf18("8","8","10","2","4","4","1") = "9"
    & skf18("8","8","10","2","4","5","1") = "9"
    & skf18("8","8","10","2","4","6","1") = "9"
    & skf18("8","8","10","2","4","7","1") = "9"
    & skf18("8","8","10","2","4","8","1") = "9"
    & skf18("8","8","10","2","4","9","1") = "9"
    & skf18("8","8","10","2","4","10","1") = "9"
    & skf18("8","8","10","2","5","1","1") = "9"
    & skf18("8","8","10","2","5","2","1") = "9"
    & skf18("8","8","10","2","5","3","1") = "9"
    & skf18("8","8","10","2","5","4","1") = "9"
    & skf18("8","8","10","2","5","5","1") = "9"
    & skf18("8","8","10","2","5","6","1") = "9"
    & skf18("8","8","10","2","5","7","1") = "9"
    & skf18("8","8","10","2","5","8","1") = "9"
    & skf18("8","8","10","2","5","9","1") = "9"
    & skf18("8","8","10","2","5","10","1") = "9"
    & skf18("8","8","10","2","6","1","1") = "9"
    & skf18("8","8","10","2","6","2","1") = "9"
    & skf18("8","8","10","2","6","3","1") = "9"
    & skf18("8","8","10","2","6","4","1") = "9"
    & skf18("8","8","10","2","6","5","1") = "9"
    & skf18("8","8","10","2","6","6","1") = "9"
    & skf18("8","8","10","2","6","7","1") = "9"
    & skf18("8","8","10","2","6","8","1") = "9"
    & skf18("8","8","10","2","6","9","1") = "9"
    & skf18("8","8","10","2","6","10","1") = "9"
    & skf18("8","8","10","2","7","1","1") = "9"
    & skf18("8","8","10","2","7","2","1") = "9"
    & skf18("8","8","10","2","7","3","1") = "9"
    & skf18("8","8","10","2","7","4","1") = "9"
    & skf18("8","8","10","2","7","5","1") = "9"
    & skf18("8","8","10","2","7","6","1") = "9"
    & skf18("8","8","10","2","7","7","1") = "9"
    & skf18("8","8","10","2","7","8","1") = "9"
    & skf18("8","8","10","2","7","9","1") = "9"
    & skf18("8","8","10","2","7","10","1") = "9"
    & skf18("8","8","10","2","8","1","1") = "9"
    & skf18("8","8","10","2","8","2","1") = "9"
    & skf18("8","8","10","2","8","3","1") = "9"
    & skf18("8","8","10","2","8","4","1") = "9"
    & skf18("8","8","10","2","8","5","1") = "9"
    & skf18("8","8","10","2","8","6","1") = "9"
    & skf18("8","8","10","2","8","7","1") = "9"
    & skf18("8","8","10","2","8","8","1") = "9"
    & skf18("8","8","10","2","8","9","1") = "9"
    & skf18("8","8","10","2","8","10","1") = "9"
    & skf18("8","8","10","2","9","1","1") = "9"
    & skf18("8","8","10","2","9","2","1") = "9"
    & skf18("8","8","10","2","9","3","1") = "9"
    & skf18("8","8","10","2","9","4","1") = "9"
    & skf18("8","8","10","2","9","5","1") = "9"
    & skf18("8","8","10","2","9","6","1") = "9"
    & skf18("8","8","10","2","9","7","1") = "9"
    & skf18("8","8","10","2","9","8","1") = "9"
    & skf18("8","8","10","2","9","9","1") = "9"
    & skf18("8","8","10","2","9","10","1") = "9"
    & skf18("8","8","10","2","10","1","1") = "9"
    & skf18("8","8","10","2","10","2","1") = "9"
    & skf18("8","8","10","2","10","3","1") = "9"
    & skf18("8","8","10","2","10","4","1") = "9"
    & skf18("8","8","10","2","10","5","1") = "9"
    & skf18("8","8","10","2","10","6","1") = "9"
    & skf18("8","8","10","2","10","7","1") = "9"
    & skf18("8","8","10","2","10","8","1") = "9"
    & skf18("8","8","10","2","10","9","1") = "9"
    & skf18("8","8","10","2","10","10","1") = "9"
    & skf18("8","8","10","3","1","1","1") = "9"
    & skf18("8","8","10","3","1","2","1") = "9"
    & skf18("8","8","10","3","1","3","1") = "9"
    & skf18("8","8","10","3","1","4","1") = "9"
    & skf18("8","8","10","3","1","5","1") = "9"
    & skf18("8","8","10","3","1","6","1") = "9"
    & skf18("8","8","10","3","1","7","1") = "9"
    & skf18("8","8","10","3","1","8","1") = "9"
    & skf18("8","8","10","3","1","9","1") = "9"
    & skf18("8","8","10","3","1","10","1") = "9"
    & skf18("8","8","10","3","2","1","1") = "9"
    & skf18("8","8","10","3","2","2","1") = "9"
    & skf18("8","8","10","3","2","3","1") = "9"
    & skf18("8","8","10","3","2","4","1") = "9"
    & skf18("8","8","10","3","2","5","1") = "9"
    & skf18("8","8","10","3","2","6","1") = "9"
    & skf18("8","8","10","3","2","7","1") = "9"
    & skf18("8","8","10","3","2","8","1") = "9"
    & skf18("8","8","10","3","2","9","1") = "9"
    & skf18("8","8","10","3","2","10","1") = "9"
    & skf18("8","8","10","3","3","1","1") = "9"
    & skf18("8","8","10","3","3","2","1") = "9"
    & skf18("8","8","10","3","3","3","1") = "9"
    & skf18("8","8","10","3","3","4","1") = "9"
    & skf18("8","8","10","3","3","5","1") = "9"
    & skf18("8","8","10","3","3","6","1") = "9"
    & skf18("8","8","10","3","3","7","1") = "9"
    & skf18("8","8","10","3","3","8","1") = "9"
    & skf18("8","8","10","3","3","9","1") = "9"
    & skf18("8","8","10","3","3","10","1") = "9"
    & skf18("8","8","10","3","4","1","1") = "9"
    & skf18("8","8","10","3","4","2","1") = "9"
    & skf18("8","8","10","3","4","3","1") = "9"
    & skf18("8","8","10","3","4","4","1") = "9"
    & skf18("8","8","10","3","4","5","1") = "9"
    & skf18("8","8","10","3","4","6","1") = "9"
    & skf18("8","8","10","3","4","7","1") = "9"
    & skf18("8","8","10","3","4","8","1") = "9"
    & skf18("8","8","10","3","4","9","1") = "9"
    & skf18("8","8","10","3","4","10","1") = "9"
    & skf18("8","8","10","3","5","1","1") = "9"
    & skf18("8","8","10","3","5","2","1") = "9"
    & skf18("8","8","10","3","5","3","1") = "9"
    & skf18("8","8","10","3","5","4","1") = "9"
    & skf18("8","8","10","3","5","5","1") = "9"
    & skf18("8","8","10","3","5","6","1") = "9"
    & skf18("8","8","10","3","5","7","1") = "9"
    & skf18("8","8","10","3","5","8","1") = "9"
    & skf18("8","8","10","3","5","9","1") = "9"
    & skf18("8","8","10","3","5","10","1") = "9"
    & skf18("8","8","10","3","6","1","1") = "9"
    & skf18("8","8","10","3","6","2","1") = "9"
    & skf18("8","8","10","3","6","3","1") = "9"
    & skf18("8","8","10","3","6","4","1") = "9"
    & skf18("8","8","10","3","6","5","1") = "9"
    & skf18("8","8","10","3","6","6","1") = "9"
    & skf18("8","8","10","3","6","7","1") = "9"
    & skf18("8","8","10","3","6","8","1") = "9"
    & skf18("8","8","10","3","6","9","1") = "9"
    & skf18("8","8","10","3","6","10","1") = "9"
    & skf18("8","8","10","3","7","1","1") = "9"
    & skf18("8","8","10","3","7","2","1") = "9"
    & skf18("8","8","10","3","7","3","1") = "9"
    & skf18("8","8","10","3","7","4","1") = "9"
    & skf18("8","8","10","3","7","5","1") = "9"
    & skf18("8","8","10","3","7","6","1") = "9"
    & skf18("8","8","10","3","7","7","1") = "9"
    & skf18("8","8","10","3","7","8","1") = "9"
    & skf18("8","8","10","3","7","9","1") = "9"
    & skf18("8","8","10","3","7","10","1") = "9"
    & skf18("8","8","10","3","8","1","1") = "9"
    & skf18("8","8","10","3","8","2","1") = "9"
    & skf18("8","8","10","3","8","3","1") = "9"
    & skf18("8","8","10","3","8","4","1") = "9"
    & skf18("8","8","10","3","8","5","1") = "9"
    & skf18("8","8","10","3","8","6","1") = "9"
    & skf18("8","8","10","3","8","7","1") = "9"
    & skf18("8","8","10","3","8","8","1") = "9"
    & skf18("8","8","10","3","8","9","1") = "9"
    & skf18("8","8","10","3","8","10","1") = "9"
    & skf18("8","8","10","3","9","1","1") = "9"
    & skf18("8","8","10","3","9","2","1") = "9"
    & skf18("8","8","10","3","9","3","1") = "9"
    & skf18("8","8","10","3","9","4","1") = "9"
    & skf18("8","8","10","3","9","5","1") = "9"
    & skf18("8","8","10","3","9","6","1") = "9"
    & skf18("8","8","10","3","9","7","1") = "9"
    & skf18("8","8","10","3","9","8","1") = "9"
    & skf18("8","8","10","3","9","9","1") = "9"
    & skf18("8","8","10","3","9","10","1") = "9"
    & skf18("8","8","10","3","10","1","1") = "9"
    & skf18("8","8","10","3","10","2","1") = "9"
    & skf18("8","8","10","3","10","3","1") = "9"
    & skf18("8","8","10","3","10","4","1") = "9"
    & skf18("8","8","10","3","10","5","1") = "9"
    & skf18("8","8","10","3","10","6","1") = "9"
    & skf18("8","8","10","3","10","7","1") = "9"
    & skf18("8","8","10","3","10","8","1") = "9"
    & skf18("8","8","10","3","10","9","1") = "9"
    & skf18("8","8","10","3","10","10","1") = "9"
    & skf18("8","8","10","4","1","1","1") = "9"
    & skf18("8","8","10","4","1","2","1") = "9"
    & skf18("8","8","10","4","1","3","1") = "9"
    & skf18("8","8","10","4","1","4","1") = "9"
    & skf18("8","8","10","4","1","5","1") = "9"
    & skf18("8","8","10","4","1","6","1") = "9"
    & skf18("8","8","10","4","1","7","1") = "9"
    & skf18("8","8","10","4","1","8","1") = "9"
    & skf18("8","8","10","4","1","9","1") = "9"
    & skf18("8","8","10","4","1","10","1") = "9"
    & skf18("8","8","10","4","2","1","1") = "9"
    & skf18("8","8","10","4","2","2","1") = "9"
    & skf18("8","8","10","4","2","3","1") = "9"
    & skf18("8","8","10","4","2","4","1") = "9"
    & skf18("8","8","10","4","2","5","1") = "9"
    & skf18("8","8","10","4","2","6","1") = "9"
    & skf18("8","8","10","4","2","7","1") = "9"
    & skf18("8","8","10","4","2","8","1") = "9"
    & skf18("8","8","10","4","2","9","1") = "9"
    & skf18("8","8","10","4","2","10","1") = "9"
    & skf18("8","8","10","4","3","1","1") = "9"
    & skf18("8","8","10","4","3","2","1") = "9"
    & skf18("8","8","10","4","3","3","1") = "9"
    & skf18("8","8","10","4","3","4","1") = "9"
    & skf18("8","8","10","4","3","5","1") = "9"
    & skf18("8","8","10","4","3","6","1") = "9"
    & skf18("8","8","10","4","3","7","1") = "9"
    & skf18("8","8","10","4","3","8","1") = "9"
    & skf18("8","8","10","4","3","9","1") = "9"
    & skf18("8","8","10","4","3","10","1") = "9"
    & skf18("8","8","10","4","4","1","1") = "9"
    & skf18("8","8","10","4","4","2","1") = "9"
    & skf18("8","8","10","4","4","3","1") = "9"
    & skf18("8","8","10","4","4","4","1") = "9"
    & skf18("8","8","10","4","4","5","1") = "9"
    & skf18("8","8","10","4","4","6","1") = "9"
    & skf18("8","8","10","4","4","7","1") = "9"
    & skf18("8","8","10","4","4","8","1") = "9"
    & skf18("8","8","10","4","4","9","1") = "9"
    & skf18("8","8","10","4","4","10","1") = "9"
    & skf18("8","8","10","4","5","1","1") = "9"
    & skf18("8","8","10","4","5","2","1") = "9"
    & skf18("8","8","10","4","5","3","1") = "9"
    & skf18("8","8","10","4","5","4","1") = "9"
    & skf18("8","8","10","4","5","5","1") = "9"
    & skf18("8","8","10","4","5","6","1") = "9"
    & skf18("8","8","10","4","5","7","1") = "9"
    & skf18("8","8","10","4","5","8","1") = "9"
    & skf18("8","8","10","4","5","9","1") = "9"
    & skf18("8","8","10","4","5","10","1") = "9"
    & skf18("8","8","10","4","6","1","1") = "9"
    & skf18("8","8","10","4","6","2","1") = "9"
    & skf18("8","8","10","4","6","3","1") = "9"
    & skf18("8","8","10","4","6","4","1") = "9"
    & skf18("8","8","10","4","6","5","1") = "9"
    & skf18("8","8","10","4","6","6","1") = "9"
    & skf18("8","8","10","4","6","7","1") = "9"
    & skf18("8","8","10","4","6","8","1") = "9"
    & skf18("8","8","10","4","6","9","1") = "9"
    & skf18("8","8","10","4","6","10","1") = "9"
    & skf18("8","8","10","4","7","1","1") = "9"
    & skf18("8","8","10","4","7","2","1") = "9"
    & skf18("8","8","10","4","7","3","1") = "9"
    & skf18("8","8","10","4","7","4","1") = "9"
    & skf18("8","8","10","4","7","5","1") = "9"
    & skf18("8","8","10","4","7","6","1") = "9"
    & skf18("8","8","10","4","7","7","1") = "9"
    & skf18("8","8","10","4","7","8","1") = "9"
    & skf18("8","8","10","4","7","9","1") = "9"
    & skf18("8","8","10","4","7","10","1") = "9"
    & skf18("8","8","10","4","8","1","1") = "9"
    & skf18("8","8","10","4","8","2","1") = "9"
    & skf18("8","8","10","4","8","3","1") = "9"
    & skf18("8","8","10","4","8","4","1") = "9"
    & skf18("8","8","10","4","8","5","1") = "9"
    & skf18("8","8","10","4","8","6","1") = "9"
    & skf18("8","8","10","4","8","7","1") = "9"
    & skf18("8","8","10","4","8","8","1") = "9"
    & skf18("8","8","10","4","8","9","1") = "9"
    & skf18("8","8","10","4","8","10","1") = "9"
    & skf18("8","8","10","4","9","1","1") = "9"
    & skf18("8","8","10","4","9","2","1") = "9"
    & skf18("8","8","10","4","9","3","1") = "9"
    & skf18("8","8","10","4","9","4","1") = "9"
    & skf18("8","8","10","4","9","5","1") = "9"
    & skf18("8","8","10","4","9","6","1") = "9"
    & skf18("8","8","10","4","9","7","1") = "9"
    & skf18("8","8","10","4","9","8","1") = "9"
    & skf18("8","8","10","4","9","9","1") = "9"
    & skf18("8","8","10","4","9","10","1") = "9"
    & skf18("8","8","10","4","10","1","1") = "9"
    & skf18("8","8","10","4","10","2","1") = "9"
    & skf18("8","8","10","4","10","3","1") = "9"
    & skf18("8","8","10","4","10","4","1") = "9"
    & skf18("8","8","10","4","10","5","1") = "9"
    & skf18("8","8","10","4","10","6","1") = "9"
    & skf18("8","8","10","4","10","7","1") = "9"
    & skf18("8","8","10","4","10","8","1") = "9"
    & skf18("8","8","10","4","10","9","1") = "9"
    & skf18("8","8","10","4","10","10","1") = "9"
    & skf18("8","8","10","5","1","1","1") = "9"
    & skf18("8","8","10","5","1","2","1") = "9"
    & skf18("8","8","10","5","1","3","1") = "9"
    & skf18("8","8","10","5","1","4","1") = "9"
    & skf18("8","8","10","5","1","5","1") = "9"
    & skf18("8","8","10","5","1","6","1") = "9"
    & skf18("8","8","10","5","1","7","1") = "9"
    & skf18("8","8","10","5","1","8","1") = "9"
    & skf18("8","8","10","5","1","9","1") = "9"
    & skf18("8","8","10","5","1","10","1") = "9"
    & skf18("8","8","10","5","2","1","1") = "9"
    & skf18("8","8","10","5","2","2","1") = "9"
    & skf18("8","8","10","5","2","3","1") = "9"
    & skf18("8","8","10","5","2","4","1") = "9"
    & skf18("8","8","10","5","2","5","1") = "9"
    & skf18("8","8","10","5","2","6","1") = "9"
    & skf18("8","8","10","5","2","7","1") = "9"
    & skf18("8","8","10","5","2","8","1") = "9"
    & skf18("8","8","10","5","2","9","1") = "9"
    & skf18("8","8","10","5","2","10","1") = "9"
    & skf18("8","8","10","5","3","1","1") = "9"
    & skf18("8","8","10","5","3","2","1") = "9"
    & skf18("8","8","10","5","3","3","1") = "9"
    & skf18("8","8","10","5","3","4","1") = "9"
    & skf18("8","8","10","5","3","5","1") = "9"
    & skf18("8","8","10","5","3","6","1") = "9"
    & skf18("8","8","10","5","3","7","1") = "9"
    & skf18("8","8","10","5","3","8","1") = "9"
    & skf18("8","8","10","5","3","9","1") = "9"
    & skf18("8","8","10","5","3","10","1") = "9"
    & skf18("8","8","10","5","4","1","1") = "9"
    & skf18("8","8","10","5","4","2","1") = "9"
    & skf18("8","8","10","5","4","3","1") = "9"
    & skf18("8","8","10","5","4","4","1") = "9"
    & skf18("8","8","10","5","4","5","1") = "9"
    & skf18("8","8","10","5","4","6","1") = "9"
    & skf18("8","8","10","5","4","7","1") = "9"
    & skf18("8","8","10","5","4","8","1") = "9"
    & skf18("8","8","10","5","4","9","1") = "9"
    & skf18("8","8","10","5","4","10","1") = "9"
    & skf18("8","8","10","5","5","1","1") = "9"
    & skf18("8","8","10","5","5","2","1") = "9"
    & skf18("8","8","10","5","5","3","1") = "9"
    & skf18("8","8","10","5","5","4","1") = "9"
    & skf18("8","8","10","5","5","5","1") = "9"
    & skf18("8","8","10","5","5","6","1") = "9"
    & skf18("8","8","10","5","5","7","1") = "9"
    & skf18("8","8","10","5","5","8","1") = "9"
    & skf18("8","8","10","5","5","9","1") = "9"
    & skf18("8","8","10","5","5","10","1") = "9"
    & skf18("8","8","10","5","6","1","1") = "9"
    & skf18("8","8","10","5","6","2","1") = "9"
    & skf18("8","8","10","5","6","3","1") = "9"
    & skf18("8","8","10","5","6","4","1") = "9"
    & skf18("8","8","10","5","6","5","1") = "9"
    & skf18("8","8","10","5","6","6","1") = "9"
    & skf18("8","8","10","5","6","7","1") = "9"
    & skf18("8","8","10","5","6","8","1") = "9"
    & skf18("8","8","10","5","6","9","1") = "9"
    & skf18("8","8","10","5","6","10","1") = "9"
    & skf18("8","8","10","5","7","1","1") = "9"
    & skf18("8","8","10","5","7","2","1") = "9"
    & skf18("8","8","10","5","7","3","1") = "9"
    & skf18("8","8","10","5","7","4","1") = "9"
    & skf18("8","8","10","5","7","5","1") = "9"
    & skf18("8","8","10","5","7","6","1") = "9"
    & skf18("8","8","10","5","7","7","1") = "9"
    & skf18("8","8","10","5","7","8","1") = "9"
    & skf18("8","8","10","5","7","9","1") = "9"
    & skf18("8","8","10","5","7","10","1") = "9"
    & skf18("8","8","10","5","8","1","1") = "9"
    & skf18("8","8","10","5","8","2","1") = "9"
    & skf18("8","8","10","5","8","3","1") = "9"
    & skf18("8","8","10","5","8","4","1") = "9"
    & skf18("8","8","10","5","8","5","1") = "9"
    & skf18("8","8","10","5","8","6","1") = "9"
    & skf18("8","8","10","5","8","7","1") = "9"
    & skf18("8","8","10","5","8","8","1") = "9"
    & skf18("8","8","10","5","8","9","1") = "9"
    & skf18("8","8","10","5","8","10","1") = "9"
    & skf18("8","8","10","5","9","1","1") = "9"
    & skf18("8","8","10","5","9","2","1") = "9"
    & skf18("8","8","10","5","9","3","1") = "9"
    & skf18("8","8","10","5","9","4","1") = "9"
    & skf18("8","8","10","5","9","5","1") = "9"
    & skf18("8","8","10","5","9","6","1") = "9"
    & skf18("8","8","10","5","9","7","1") = "9"
    & skf18("8","8","10","5","9","8","1") = "9"
    & skf18("8","8","10","5","9","9","1") = "9"
    & skf18("8","8","10","5","9","10","1") = "9"
    & skf18("8","8","10","5","10","1","1") = "9"
    & skf18("8","8","10","5","10","2","1") = "9"
    & skf18("8","8","10","5","10","3","1") = "9"
    & skf18("8","8","10","5","10","4","1") = "9"
    & skf18("8","8","10","5","10","5","1") = "9"
    & skf18("8","8","10","5","10","6","1") = "9"
    & skf18("8","8","10","5","10","7","1") = "9"
    & skf18("8","8","10","5","10","8","1") = "9"
    & skf18("8","8","10","5","10","9","1") = "9"
    & skf18("8","8","10","5","10","10","1") = "9"
    & skf18("8","8","10","6","1","1","1") = "9"
    & skf18("8","8","10","6","1","2","1") = "9"
    & skf18("8","8","10","6","1","3","1") = "9"
    & skf18("8","8","10","6","1","4","1") = "9"
    & skf18("8","8","10","6","1","5","1") = "9"
    & skf18("8","8","10","6","1","6","1") = "9"
    & skf18("8","8","10","6","1","7","1") = "9"
    & skf18("8","8","10","6","1","8","1") = "9"
    & skf18("8","8","10","6","1","9","1") = "9"
    & skf18("8","8","10","6","1","10","1") = "9"
    & skf18("8","8","10","6","2","1","1") = "9"
    & skf18("8","8","10","6","2","2","1") = "9"
    & skf18("8","8","10","6","2","3","1") = "9"
    & skf18("8","8","10","6","2","4","1") = "9"
    & skf18("8","8","10","6","2","5","1") = "9"
    & skf18("8","8","10","6","2","6","1") = "9"
    & skf18("8","8","10","6","2","7","1") = "9"
    & skf18("8","8","10","6","2","8","1") = "9"
    & skf18("8","8","10","6","2","9","1") = "9"
    & skf18("8","8","10","6","2","10","1") = "9"
    & skf18("8","8","10","6","3","1","1") = "9"
    & skf18("8","8","10","6","3","2","1") = "9"
    & skf18("8","8","10","6","3","3","1") = "9"
    & skf18("8","8","10","6","3","4","1") = "9"
    & skf18("8","8","10","6","3","5","1") = "9"
    & skf18("8","8","10","6","3","6","1") = "9"
    & skf18("8","8","10","6","3","7","1") = "9"
    & skf18("8","8","10","6","3","8","1") = "9"
    & skf18("8","8","10","6","3","9","1") = "9"
    & skf18("8","8","10","6","3","10","1") = "9"
    & skf18("8","8","10","6","4","1","1") = "9"
    & skf18("8","8","10","6","4","2","1") = "9"
    & skf18("8","8","10","6","4","3","1") = "9"
    & skf18("8","8","10","6","4","4","1") = "9"
    & skf18("8","8","10","6","4","5","1") = "9"
    & skf18("8","8","10","6","4","6","1") = "9"
    & skf18("8","8","10","6","4","7","1") = "9"
    & skf18("8","8","10","6","4","8","1") = "9"
    & skf18("8","8","10","6","4","9","1") = "9"
    & skf18("8","8","10","6","4","10","1") = "9"
    & skf18("8","8","10","6","5","1","1") = "9"
    & skf18("8","8","10","6","5","2","1") = "9"
    & skf18("8","8","10","6","5","3","1") = "9"
    & skf18("8","8","10","6","5","4","1") = "9"
    & skf18("8","8","10","6","5","5","1") = "9"
    & skf18("8","8","10","6","5","6","1") = "9"
    & skf18("8","8","10","6","5","7","1") = "9"
    & skf18("8","8","10","6","5","8","1") = "9"
    & skf18("8","8","10","6","5","9","1") = "9"
    & skf18("8","8","10","6","5","10","1") = "9"
    & skf18("8","8","10","6","6","1","1") = "9"
    & skf18("8","8","10","6","6","2","1") = "9"
    & skf18("8","8","10","6","6","3","1") = "9"
    & skf18("8","8","10","6","6","4","1") = "9"
    & skf18("8","8","10","6","6","5","1") = "9"
    & skf18("8","8","10","6","6","6","1") = "9"
    & skf18("8","8","10","6","6","7","1") = "9"
    & skf18("8","8","10","6","6","8","1") = "9"
    & skf18("8","8","10","6","6","9","1") = "9"
    & skf18("8","8","10","6","6","10","1") = "9"
    & skf18("8","8","10","6","7","1","1") = "9"
    & skf18("8","8","10","6","7","2","1") = "9"
    & skf18("8","8","10","6","7","3","1") = "9"
    & skf18("8","8","10","6","7","4","1") = "9"
    & skf18("8","8","10","6","7","5","1") = "9"
    & skf18("8","8","10","6","7","6","1") = "9"
    & skf18("8","8","10","6","7","7","1") = "9"
    & skf18("8","8","10","6","7","8","1") = "9"
    & skf18("8","8","10","6","7","9","1") = "9"
    & skf18("8","8","10","6","7","10","1") = "9"
    & skf18("8","8","10","6","8","1","1") = "9"
    & skf18("8","8","10","6","8","2","1") = "9"
    & skf18("8","8","10","6","8","3","1") = "9"
    & skf18("8","8","10","6","8","4","1") = "9"
    & skf18("8","8","10","6","8","5","1") = "9"
    & skf18("8","8","10","6","8","6","1") = "9"
    & skf18("8","8","10","6","8","7","1") = "9"
    & skf18("8","8","10","6","8","8","1") = "9"
    & skf18("8","8","10","6","8","9","1") = "9"
    & skf18("8","8","10","6","8","10","1") = "9"
    & skf18("8","8","10","6","9","1","1") = "9"
    & skf18("8","8","10","6","9","2","1") = "9"
    & skf18("8","8","10","6","9","3","1") = "9"
    & skf18("8","8","10","6","9","4","1") = "9"
    & skf18("8","8","10","6","9","5","1") = "9"
    & skf18("8","8","10","6","9","6","1") = "9"
    & skf18("8","8","10","6","9","7","1") = "9"
    & skf18("8","8","10","6","9","8","1") = "9"
    & skf18("8","8","10","6","9","9","1") = "9"
    & skf18("8","8","10","6","9","10","1") = "9"
    & skf18("8","8","10","6","10","1","1") = "9"
    & skf18("8","8","10","6","10","2","1") = "9"
    & skf18("8","8","10","6","10","3","1") = "9"
    & skf18("8","8","10","6","10","4","1") = "9"
    & skf18("8","8","10","6","10","5","1") = "9"
    & skf18("8","8","10","6","10","6","1") = "9"
    & skf18("8","8","10","6","10","7","1") = "9"
    & skf18("8","8","10","6","10","8","1") = "9"
    & skf18("8","8","10","6","10","9","1") = "9"
    & skf18("8","8","10","6","10","10","1") = "9"
    & skf18("8","8","10","7","1","1","1") = "9"
    & skf18("8","8","10","7","1","2","1") = "9"
    & skf18("8","8","10","7","1","3","1") = "9"
    & skf18("8","8","10","7","1","4","1") = "9"
    & skf18("8","8","10","7","1","5","1") = "9"
    & skf18("8","8","10","7","1","6","1") = "9"
    & skf18("8","8","10","7","1","7","1") = "9"
    & skf18("8","8","10","7","1","8","1") = "9"
    & skf18("8","8","10","7","1","9","1") = "9"
    & skf18("8","8","10","7","1","10","1") = "9"
    & skf18("8","8","10","7","2","1","1") = "9"
    & skf18("8","8","10","7","2","2","1") = "9"
    & skf18("8","8","10","7","2","3","1") = "9"
    & skf18("8","8","10","7","2","4","1") = "9"
    & skf18("8","8","10","7","2","5","1") = "9"
    & skf18("8","8","10","7","2","6","1") = "9"
    & skf18("8","8","10","7","2","7","1") = "9"
    & skf18("8","8","10","7","2","8","1") = "9"
    & skf18("8","8","10","7","2","9","1") = "9"
    & skf18("8","8","10","7","2","10","1") = "9"
    & skf18("8","8","10","7","3","1","1") = "9"
    & skf18("8","8","10","7","3","2","1") = "9"
    & skf18("8","8","10","7","3","3","1") = "9"
    & skf18("8","8","10","7","3","4","1") = "9"
    & skf18("8","8","10","7","3","5","1") = "9"
    & skf18("8","8","10","7","3","6","1") = "9"
    & skf18("8","8","10","7","3","7","1") = "9"
    & skf18("8","8","10","7","3","8","1") = "9"
    & skf18("8","8","10","7","3","9","1") = "9"
    & skf18("8","8","10","7","3","10","1") = "9"
    & skf18("8","8","10","7","4","1","1") = "9"
    & skf18("8","8","10","7","4","2","1") = "9"
    & skf18("8","8","10","7","4","3","1") = "9"
    & skf18("8","8","10","7","4","4","1") = "9"
    & skf18("8","8","10","7","4","5","1") = "9"
    & skf18("8","8","10","7","4","6","1") = "9"
    & skf18("8","8","10","7","4","7","1") = "9"
    & skf18("8","8","10","7","4","8","1") = "9"
    & skf18("8","8","10","7","4","9","1") = "9"
    & skf18("8","8","10","7","4","10","1") = "9"
    & skf18("8","8","10","7","5","1","1") = "9"
    & skf18("8","8","10","7","5","2","1") = "9"
    & skf18("8","8","10","7","5","3","1") = "9"
    & skf18("8","8","10","7","5","4","1") = "9"
    & skf18("8","8","10","7","5","5","1") = "9"
    & skf18("8","8","10","7","5","6","1") = "9"
    & skf18("8","8","10","7","5","7","1") = "9"
    & skf18("8","8","10","7","5","8","1") = "9"
    & skf18("8","8","10","7","5","9","1") = "9"
    & skf18("8","8","10","7","5","10","1") = "9"
    & skf18("8","8","10","7","6","1","1") = "9"
    & skf18("8","8","10","7","6","2","1") = "9"
    & skf18("8","8","10","7","6","3","1") = "9"
    & skf18("8","8","10","7","6","4","1") = "9"
    & skf18("8","8","10","7","6","5","1") = "9"
    & skf18("8","8","10","7","6","6","1") = "9"
    & skf18("8","8","10","7","6","7","1") = "9"
    & skf18("8","8","10","7","6","8","1") = "9"
    & skf18("8","8","10","7","6","9","1") = "9"
    & skf18("8","8","10","7","6","10","1") = "9"
    & skf18("8","8","10","7","7","1","1") = "9"
    & skf18("8","8","10","7","7","2","1") = "9"
    & skf18("8","8","10","7","7","3","1") = "9"
    & skf18("8","8","10","7","7","4","1") = "9"
    & skf18("8","8","10","7","7","5","1") = "9"
    & skf18("8","8","10","7","7","6","1") = "9"
    & skf18("8","8","10","7","7","7","1") = "9"
    & skf18("8","8","10","7","7","8","1") = "9"
    & skf18("8","8","10","7","7","9","1") = "9"
    & skf18("8","8","10","7","7","10","1") = "9"
    & skf18("8","8","10","7","8","1","1") = "9"
    & skf18("8","8","10","7","8","2","1") = "9"
    & skf18("8","8","10","7","8","3","1") = "9"
    & skf18("8","8","10","7","8","4","1") = "9"
    & skf18("8","8","10","7","8","5","1") = "9"
    & skf18("8","8","10","7","8","6","1") = "9"
    & skf18("8","8","10","7","8","7","1") = "9"
    & skf18("8","8","10","7","8","8","1") = "9"
    & skf18("8","8","10","7","8","9","1") = "9"
    & skf18("8","8","10","7","8","10","1") = "9"
    & skf18("8","8","10","7","9","1","1") = "9"
    & skf18("8","8","10","7","9","2","1") = "9"
    & skf18("8","8","10","7","9","3","1") = "9"
    & skf18("8","8","10","7","9","4","1") = "9"
    & skf18("8","8","10","7","9","5","1") = "9"
    & skf18("8","8","10","7","9","6","1") = "9"
    & skf18("8","8","10","7","9","7","1") = "9"
    & skf18("8","8","10","7","9","8","1") = "9"
    & skf18("8","8","10","7","9","9","1") = "9"
    & skf18("8","8","10","7","9","10","1") = "9"
    & skf18("8","8","10","7","10","1","1") = "9"
    & skf18("8","8","10","7","10","2","1") = "9"
    & skf18("8","8","10","7","10","3","1") = "9"
    & skf18("8","8","10","7","10","4","1") = "9"
    & skf18("8","8","10","7","10","5","1") = "9"
    & skf18("8","8","10","7","10","6","1") = "9"
    & skf18("8","8","10","7","10","7","1") = "9"
    & skf18("8","8","10","7","10","8","1") = "9"
    & skf18("8","8","10","7","10","9","1") = "9"
    & skf18("8","8","10","7","10","10","1") = "9"
    & skf18("8","8","10","8","1","1","1") = "9"
    & skf18("8","8","10","8","1","2","1") = "9"
    & skf18("8","8","10","8","1","3","1") = "9"
    & skf18("8","8","10","8","1","4","1") = "9"
    & skf18("8","8","10","8","1","5","1") = "9"
    & skf18("8","8","10","8","1","6","1") = "9"
    & skf18("8","8","10","8","1","7","1") = "9"
    & skf18("8","8","10","8","1","8","1") = "9"
    & skf18("8","8","10","8","1","9","1") = "9"
    & skf18("8","8","10","8","1","10","1") = "9"
    & skf18("8","8","10","8","2","1","1") = "9"
    & skf18("8","8","10","8","2","2","1") = "9"
    & skf18("8","8","10","8","2","3","1") = "9"
    & skf18("8","8","10","8","2","4","1") = "9"
    & skf18("8","8","10","8","2","5","1") = "9"
    & skf18("8","8","10","8","2","6","1") = "9"
    & skf18("8","8","10","8","2","7","1") = "9"
    & skf18("8","8","10","8","2","8","1") = "9"
    & skf18("8","8","10","8","2","9","1") = "9"
    & skf18("8","8","10","8","2","10","1") = "9"
    & skf18("8","8","10","8","3","1","1") = "9"
    & skf18("8","8","10","8","3","2","1") = "9"
    & skf18("8","8","10","8","3","3","1") = "9"
    & skf18("8","8","10","8","3","4","1") = "9"
    & skf18("8","8","10","8","3","5","1") = "9"
    & skf18("8","8","10","8","3","6","1") = "9"
    & skf18("8","8","10","8","3","7","1") = "9"
    & skf18("8","8","10","8","3","8","1") = "9"
    & skf18("8","8","10","8","3","9","1") = "9"
    & skf18("8","8","10","8","3","10","1") = "9"
    & skf18("8","8","10","8","4","1","1") = "9"
    & skf18("8","8","10","8","4","2","1") = "9"
    & skf18("8","8","10","8","4","3","1") = "9"
    & skf18("8","8","10","8","4","4","1") = "9"
    & skf18("8","8","10","8","4","5","1") = "9"
    & skf18("8","8","10","8","4","6","1") = "9"
    & skf18("8","8","10","8","4","7","1") = "9"
    & skf18("8","8","10","8","4","8","1") = "9"
    & skf18("8","8","10","8","4","9","1") = "9"
    & skf18("8","8","10","8","4","10","1") = "9"
    & skf18("8","8","10","8","5","1","1") = "9"
    & skf18("8","8","10","8","5","2","1") = "9"
    & skf18("8","8","10","8","5","3","1") = "9"
    & skf18("8","8","10","8","5","4","1") = "9"
    & skf18("8","8","10","8","5","5","1") = "9"
    & skf18("8","8","10","8","5","6","1") = "9"
    & skf18("8","8","10","8","5","7","1") = "9"
    & skf18("8","8","10","8","5","8","1") = "9"
    & skf18("8","8","10","8","5","9","1") = "9"
    & skf18("8","8","10","8","5","10","1") = "9"
    & skf18("8","8","10","8","6","1","1") = "9"
    & skf18("8","8","10","8","6","2","1") = "9"
    & skf18("8","8","10","8","6","3","1") = "9"
    & skf18("8","8","10","8","6","4","1") = "9"
    & skf18("8","8","10","8","6","5","1") = "9"
    & skf18("8","8","10","8","6","6","1") = "9"
    & skf18("8","8","10","8","6","7","1") = "9"
    & skf18("8","8","10","8","6","8","1") = "9"
    & skf18("8","8","10","8","6","9","1") = "9"
    & skf18("8","8","10","8","6","10","1") = "9"
    & skf18("8","8","10","8","7","1","1") = "9"
    & skf18("8","8","10","8","7","2","1") = "9"
    & skf18("8","8","10","8","7","3","1") = "9"
    & skf18("8","8","10","8","7","4","1") = "9"
    & skf18("8","8","10","8","7","5","1") = "9"
    & skf18("8","8","10","8","7","6","1") = "9"
    & skf18("8","8","10","8","7","7","1") = "9"
    & skf18("8","8","10","8","7","8","1") = "9"
    & skf18("8","8","10","8","7","9","1") = "9"
    & skf18("8","8","10","8","7","10","1") = "9"
    & skf18("8","8","10","8","8","1","1") = "9"
    & skf18("8","8","10","8","8","2","1") = "9"
    & skf18("8","8","10","8","8","3","1") = "9"
    & skf18("8","8","10","8","8","4","1") = "9"
    & skf18("8","8","10","8","8","5","1") = "9"
    & skf18("8","8","10","8","8","6","1") = "9"
    & skf18("8","8","10","8","8","7","1") = "9"
    & skf18("8","8","10","8","8","8","1") = "9"
    & skf18("8","8","10","8","8","9","1") = "9"
    & skf18("8","8","10","8","8","10","1") = "9"
    & skf18("8","8","10","8","9","1","1") = "9"
    & skf18("8","8","10","8","9","2","1") = "9"
    & skf18("8","8","10","8","9","3","1") = "9"
    & skf18("8","8","10","8","9","4","1") = "9"
    & skf18("8","8","10","8","9","5","1") = "9"
    & skf18("8","8","10","8","9","6","1") = "9"
    & skf18("8","8","10","8","9","7","1") = "9"
    & skf18("8","8","10","8","9","8","1") = "9"
    & skf18("8","8","10","8","9","9","1") = "9"
    & skf18("8","8","10","8","9","10","1") = "9"
    & skf18("8","8","10","8","10","1","1") = "9"
    & skf18("8","8","10","8","10","2","1") = "9"
    & skf18("8","8","10","8","10","3","1") = "9"
    & skf18("8","8","10","8","10","4","1") = "9"
    & skf18("8","8","10","8","10","5","1") = "9"
    & skf18("8","8","10","8","10","6","1") = "9"
    & skf18("8","8","10","8","10","7","1") = "9"
    & skf18("8","8","10","8","10","8","1") = "9"
    & skf18("8","8","10","8","10","9","1") = "9"
    & skf18("8","8","10","8","10","10","1") = "9"
    & skf18("8","8","10","9","1","1","1") = "9"
    & skf18("8","8","10","9","1","2","1") = "9"
    & skf18("8","8","10","9","1","3","1") = "9"
    & skf18("8","8","10","9","1","4","1") = "9"
    & skf18("8","8","10","9","1","5","1") = "9"
    & skf18("8","8","10","9","1","6","1") = "9"
    & skf18("8","8","10","9","1","7","1") = "9"
    & skf18("8","8","10","9","1","8","1") = "9"
    & skf18("8","8","10","9","1","9","1") = "9"
    & skf18("8","8","10","9","1","10","1") = "9"
    & skf18("8","8","10","9","2","1","1") = "9"
    & skf18("8","8","10","9","2","2","1") = "9"
    & skf18("8","8","10","9","2","3","1") = "9"
    & skf18("8","8","10","9","2","4","1") = "9"
    & skf18("8","8","10","9","2","5","1") = "9"
    & skf18("8","8","10","9","2","6","1") = "9"
    & skf18("8","8","10","9","2","7","1") = "9"
    & skf18("8","8","10","9","2","8","1") = "9"
    & skf18("8","8","10","9","2","9","1") = "9"
    & skf18("8","8","10","9","2","10","1") = "9"
    & skf18("8","8","10","9","3","1","1") = "9"
    & skf18("8","8","10","9","3","2","1") = "9"
    & skf18("8","8","10","9","3","3","1") = "9"
    & skf18("8","8","10","9","3","4","1") = "9"
    & skf18("8","8","10","9","3","5","1") = "9"
    & skf18("8","8","10","9","3","6","1") = "9"
    & skf18("8","8","10","9","3","7","1") = "9"
    & skf18("8","8","10","9","3","8","1") = "9"
    & skf18("8","8","10","9","3","9","1") = "9"
    & skf18("8","8","10","9","3","10","1") = "9"
    & skf18("8","8","10","9","4","1","1") = "9"
    & skf18("8","8","10","9","4","2","1") = "9"
    & skf18("8","8","10","9","4","3","1") = "9"
    & skf18("8","8","10","9","4","4","1") = "9"
    & skf18("8","8","10","9","4","5","1") = "9"
    & skf18("8","8","10","9","4","6","1") = "9"
    & skf18("8","8","10","9","4","7","1") = "9"
    & skf18("8","8","10","9","4","8","1") = "9"
    & skf18("8","8","10","9","4","9","1") = "9"
    & skf18("8","8","10","9","4","10","1") = "9"
    & skf18("8","8","10","9","5","1","1") = "9"
    & skf18("8","8","10","9","5","2","1") = "9"
    & skf18("8","8","10","9","5","3","1") = "9"
    & skf18("8","8","10","9","5","4","1") = "9"
    & skf18("8","8","10","9","5","5","1") = "9"
    & skf18("8","8","10","9","5","6","1") = "9"
    & skf18("8","8","10","9","5","7","1") = "9"
    & skf18("8","8","10","9","5","8","1") = "9"
    & skf18("8","8","10","9","5","9","1") = "9"
    & skf18("8","8","10","9","5","10","1") = "9"
    & skf18("8","8","10","9","6","1","1") = "9"
    & skf18("8","8","10","9","6","2","1") = "9"
    & skf18("8","8","10","9","6","3","1") = "9"
    & skf18("8","8","10","9","6","4","1") = "9"
    & skf18("8","8","10","9","6","5","1") = "9"
    & skf18("8","8","10","9","6","6","1") = "9"
    & skf18("8","8","10","9","6","7","1") = "9"
    & skf18("8","8","10","9","6","8","1") = "9"
    & skf18("8","8","10","9","6","9","1") = "9"
    & skf18("8","8","10","9","6","10","1") = "9"
    & skf18("8","8","10","9","7","1","1") = "9"
    & skf18("8","8","10","9","7","2","1") = "9"
    & skf18("8","8","10","9","7","3","1") = "9"
    & skf18("8","8","10","9","7","4","1") = "9"
    & skf18("8","8","10","9","7","5","1") = "9"
    & skf18("8","8","10","9","7","6","1") = "9"
    & skf18("8","8","10","9","7","7","1") = "9"
    & skf18("8","8","10","9","7","8","1") = "9"
    & skf18("8","8","10","9","7","9","1") = "9"
    & skf18("8","8","10","9","7","10","1") = "9"
    & skf18("8","8","10","9","8","1","1") = "9"
    & skf18("8","8","10","9","8","2","1") = "9"
    & skf18("8","8","10","9","8","3","1") = "9"
    & skf18("8","8","10","9","8","4","1") = "9"
    & skf18("8","8","10","9","8","5","1") = "9"
    & skf18("8","8","10","9","8","6","1") = "9"
    & skf18("8","8","10","9","8","7","1") = "9"
    & skf18("8","8","10","9","8","8","1") = "9"
    & skf18("8","8","10","9","8","9","1") = "9"
    & skf18("8","8","10","9","8","10","1") = "9"
    & skf18("8","8","10","9","9","1","1") = "9"
    & skf18("8","8","10","9","9","2","1") = "9"
    & skf18("8","8","10","9","9","3","1") = "9"
    & skf18("8","8","10","9","9","4","1") = "9"
    & skf18("8","8","10","9","9","5","1") = "9"
    & skf18("8","8","10","9","9","6","1") = "9"
    & skf18("8","8","10","9","9","7","1") = "9"
    & skf18("8","8","10","9","9","8","1") = "9"
    & skf18("8","8","10","9","9","9","1") = "9"
    & skf18("8","8","10","9","9","10","1") = "9"
    & skf18("8","8","10","9","10","1","1") = "9"
    & skf18("8","8","10","9","10","2","1") = "9"
    & skf18("8","8","10","9","10","3","1") = "9"
    & skf18("8","8","10","9","10","4","1") = "9"
    & skf18("8","8","10","9","10","5","1") = "9"
    & skf18("8","8","10","9","10","6","1") = "9"
    & skf18("8","8","10","9","10","7","1") = "9"
    & skf18("8","8","10","9","10","8","1") = "9"
    & skf18("8","8","10","9","10","9","1") = "9"
    & skf18("8","8","10","9","10","10","1") = "9"
    & skf18("8","8","10","10","1","1","1") = "9"
    & skf18("8","8","10","10","1","2","1") = "9"
    & skf18("8","8","10","10","1","3","1") = "9"
    & skf18("8","8","10","10","1","4","1") = "9"
    & skf18("8","8","10","10","1","5","1") = "9"
    & skf18("8","8","10","10","1","6","1") = "9"
    & skf18("8","8","10","10","1","7","1") = "9"
    & skf18("8","8","10","10","1","8","1") = "9"
    & skf18("8","8","10","10","1","9","1") = "9"
    & skf18("8","8","10","10","1","10","1") = "9"
    & skf18("8","8","10","10","2","1","1") = "9"
    & skf18("8","8","10","10","2","2","1") = "9"
    & skf18("8","8","10","10","2","3","1") = "9"
    & skf18("8","8","10","10","2","4","1") = "9"
    & skf18("8","8","10","10","2","5","1") = "9"
    & skf18("8","8","10","10","2","6","1") = "9"
    & skf18("8","8","10","10","2","7","1") = "9"
    & skf18("8","8","10","10","2","8","1") = "9"
    & skf18("8","8","10","10","2","9","1") = "9"
    & skf18("8","8","10","10","2","10","1") = "9"
    & skf18("8","8","10","10","3","1","1") = "9"
    & skf18("8","8","10","10","3","2","1") = "9"
    & skf18("8","8","10","10","3","3","1") = "9"
    & skf18("8","8","10","10","3","4","1") = "9"
    & skf18("8","8","10","10","3","5","1") = "9"
    & skf18("8","8","10","10","3","6","1") = "9"
    & skf18("8","8","10","10","3","7","1") = "9"
    & skf18("8","8","10","10","3","8","1") = "9"
    & skf18("8","8","10","10","3","9","1") = "9"
    & skf18("8","8","10","10","3","10","1") = "9"
    & skf18("8","8","10","10","4","1","1") = "9"
    & skf18("8","8","10","10","4","2","1") = "9"
    & skf18("8","8","10","10","4","3","1") = "9"
    & skf18("8","8","10","10","4","4","1") = "9"
    & skf18("8","8","10","10","4","5","1") = "9"
    & skf18("8","8","10","10","4","6","1") = "9"
    & skf18("8","8","10","10","4","7","1") = "9"
    & skf18("8","8","10","10","4","8","1") = "9"
    & skf18("8","8","10","10","4","9","1") = "9"
    & skf18("8","8","10","10","4","10","1") = "9"
    & skf18("8","8","10","10","5","1","1") = "9"
    & skf18("8","8","10","10","5","2","1") = "9"
    & skf18("8","8","10","10","5","3","1") = "9"
    & skf18("8","8","10","10","5","4","1") = "9"
    & skf18("8","8","10","10","5","5","1") = "9"
    & skf18("8","8","10","10","5","6","1") = "9"
    & skf18("8","8","10","10","5","7","1") = "9"
    & skf18("8","8","10","10","5","8","1") = "9"
    & skf18("8","8","10","10","5","9","1") = "9"
    & skf18("8","8","10","10","5","10","1") = "9"
    & skf18("8","8","10","10","6","1","1") = "9"
    & skf18("8","8","10","10","6","2","1") = "9"
    & skf18("8","8","10","10","6","3","1") = "9"
    & skf18("8","8","10","10","6","4","1") = "9"
    & skf18("8","8","10","10","6","5","1") = "9"
    & skf18("8","8","10","10","6","6","1") = "9"
    & skf18("8","8","10","10","6","7","1") = "9"
    & skf18("8","8","10","10","6","8","1") = "9"
    & skf18("8","8","10","10","6","9","1") = "9"
    & skf18("8","8","10","10","6","10","1") = "9"
    & skf18("8","8","10","10","7","1","1") = "9"
    & skf18("8","8","10","10","7","2","1") = "9"
    & skf18("8","8","10","10","7","3","1") = "9"
    & skf18("8","8","10","10","7","4","1") = "9"
    & skf18("8","8","10","10","7","5","1") = "9"
    & skf18("8","8","10","10","7","6","1") = "9"
    & skf18("8","8","10","10","7","7","1") = "9"
    & skf18("8","8","10","10","7","8","1") = "9"
    & skf18("8","8","10","10","7","9","1") = "9"
    & skf18("8","8","10","10","7","10","1") = "9"
    & skf18("8","8","10","10","8","1","1") = "9"
    & skf18("8","8","10","10","8","2","1") = "9"
    & skf18("8","8","10","10","8","3","1") = "9"
    & skf18("8","8","10","10","8","4","1") = "9"
    & skf18("8","8","10","10","8","5","1") = "9"
    & skf18("8","8","10","10","8","6","1") = "9"
    & skf18("8","8","10","10","8","7","1") = "9"
    & skf18("8","8","10","10","8","8","1") = "9"
    & skf18("8","8","10","10","8","9","1") = "9"
    & skf18("8","8","10","10","8","10","1") = "9"
    & skf18("8","8","10","10","9","1","1") = "9"
    & skf18("8","8","10","10","9","2","1") = "9"
    & skf18("8","8","10","10","9","3","1") = "9"
    & skf18("8","8","10","10","9","4","1") = "9"
    & skf18("8","8","10","10","9","5","1") = "9"
    & skf18("8","8","10","10","9","6","1") = "9"
    & skf18("8","8","10","10","9","7","1") = "9"
    & skf18("8","8","10","10","9","8","1") = "9"
    & skf18("8","8","10","10","9","9","1") = "9"
    & skf18("8","8","10","10","9","10","1") = "9"
    & skf18("8","8","10","10","10","1","1") = "9"
    & skf18("8","8","10","10","10","2","1") = "9"
    & skf18("8","8","10","10","10","3","1") = "9"
    & skf18("8","8","10","10","10","4","1") = "9"
    & skf18("8","8","10","10","10","5","1") = "9"
    & skf18("8","8","10","10","10","6","1") = "9"
    & skf18("8","8","10","10","10","7","1") = "9"
    & skf18("8","8","10","10","10","8","1") = "9"
    & skf18("8","8","10","10","10","9","1") = "9"
    & skf18("8","8","10","10","10","10","1") = "9"
    & skf18("8","9","1","1","1","1","1") = "8"
    & skf18("8","9","1","1","1","2","1") = "8"
    & skf18("8","9","1","1","1","3","1") = "8"
    & skf18("8","9","1","1","1","4","1") = "8"
    & skf18("8","9","1","1","1","5","1") = "8"
    & skf18("8","9","1","1","1","6","1") = "8"
    & skf18("8","9","1","1","1","7","1") = "8"
    & skf18("8","9","1","1","1","8","1") = "8"
    & skf18("8","9","1","1","1","9","1") = "8"
    & skf18("8","9","1","1","1","10","1") = "9"
    & skf18("8","9","1","1","2","1","1") = "8"
    & skf18("8","9","1","1","2","2","1") = "8"
    & skf18("8","9","1","1","2","3","1") = "8"
    & skf18("8","9","1","1","2","4","1") = "8"
    & skf18("8","9","1","1","2","5","1") = "8"
    & skf18("8","9","1","1","2","6","1") = "8"
    & skf18("8","9","1","1","2","7","1") = "8"
    & skf18("8","9","1","1","2","8","1") = "8"
    & skf18("8","9","1","1","2","9","1") = "8"
    & skf18("8","9","1","1","2","10","1") = "9"
    & skf18("8","9","1","1","3","1","1") = "8"
    & skf18("8","9","1","1","3","2","1") = "8"
    & skf18("8","9","1","1","3","3","1") = "8"
    & skf18("8","9","1","1","3","4","1") = "8"
    & skf18("8","9","1","1","3","5","1") = "8"
    & skf18("8","9","1","1","3","6","1") = "8"
    & skf18("8","9","1","1","3","7","1") = "8"
    & skf18("8","9","1","1","3","8","1") = "8"
    & skf18("8","9","1","1","3","9","1") = "8"
    & skf18("8","9","1","1","3","10","1") = "9"
    & skf18("8","9","1","1","4","1","1") = "8"
    & skf18("8","9","1","1","4","2","1") = "8"
    & skf18("8","9","1","1","4","3","1") = "8"
    & skf18("8","9","1","1","4","4","1") = "8"
    & skf18("8","9","1","1","4","5","1") = "8"
    & skf18("8","9","1","1","4","6","1") = "8"
    & skf18("8","9","1","1","4","7","1") = "8"
    & skf18("8","9","1","1","4","8","1") = "8"
    & skf18("8","9","1","1","4","9","1") = "8"
    & skf18("8","9","1","1","4","10","1") = "9"
    & skf18("8","9","1","1","5","1","1") = "8"
    & skf18("8","9","1","1","5","2","1") = "8"
    & skf18("8","9","1","1","5","3","1") = "8"
    & skf18("8","9","1","1","5","4","1") = "8"
    & skf18("8","9","1","1","5","5","1") = "8"
    & skf18("8","9","1","1","5","6","1") = "8"
    & skf18("8","9","1","1","5","7","1") = "8"
    & skf18("8","9","1","1","5","8","1") = "8"
    & skf18("8","9","1","1","5","9","1") = "8"
    & skf18("8","9","1","1","5","10","1") = "9"
    & skf18("8","9","1","1","6","1","1") = "8"
    & skf18("8","9","1","1","6","2","1") = "8"
    & skf18("8","9","1","1","6","3","1") = "8"
    & skf18("8","9","1","1","6","4","1") = "8"
    & skf18("8","9","1","1","6","5","1") = "8"
    & skf18("8","9","1","1","6","6","1") = "8"
    & skf18("8","9","1","1","6","7","1") = "8"
    & skf18("8","9","1","1","6","8","1") = "8"
    & skf18("8","9","1","1","6","9","1") = "8"
    & skf18("8","9","1","1","6","10","1") = "9"
    & skf18("8","9","1","1","7","1","1") = "8"
    & skf18("8","9","1","1","7","2","1") = "8"
    & skf18("8","9","1","1","7","3","1") = "8"
    & skf18("8","9","1","1","7","4","1") = "8"
    & skf18("8","9","1","1","7","5","1") = "8"
    & skf18("8","9","1","1","7","6","1") = "8"
    & skf18("8","9","1","1","7","7","1") = "8"
    & skf18("8","9","1","1","7","8","1") = "8"
    & skf18("8","9","1","1","7","9","1") = "8"
    & skf18("8","9","1","1","7","10","1") = "9"
    & skf18("8","9","1","1","8","1","1") = "8"
    & skf18("8","9","1","1","8","2","1") = "8"
    & skf18("8","9","1","1","8","3","1") = "8"
    & skf18("8","9","1","1","8","4","1") = "8"
    & skf18("8","9","1","1","8","5","1") = "8"
    & skf18("8","9","1","1","8","6","1") = "8"
    & skf18("8","9","1","1","8","7","1") = "8"
    & skf18("8","9","1","1","8","8","1") = "8"
    & skf18("8","9","1","1","8","9","1") = "8"
    & skf18("8","9","1","1","8","10","1") = "9"
    & skf18("8","9","1","1","9","1","1") = "8"
    & skf18("8","9","1","1","9","2","1") = "8"
    & skf18("8","9","1","1","9","3","1") = "8"
    & skf18("8","9","1","1","9","4","1") = "8"
    & skf18("8","9","1","1","9","5","1") = "8"
    & skf18("8","9","1","1","9","6","1") = "8"
    & skf18("8","9","1","1","9","7","1") = "8"
    & skf18("8","9","1","1","9","8","1") = "8"
    & skf18("8","9","1","1","9","9","1") = "8"
    & skf18("8","9","1","1","9","10","1") = "9"
    & skf18("8","9","1","1","10","1","1") = "9"
    & skf18("8","9","1","1","10","2","1") = "9"
    & skf18("8","9","1","1","10","3","1") = "9"
    & skf18("8","9","1","1","10","4","1") = "9"
    & skf18("8","9","1","1","10","5","1") = "9"
    & skf18("8","9","1","1","10","6","1") = "9"
    & skf18("8","9","1","1","10","7","1") = "9"
    & skf18("8","9","1","1","10","8","1") = "9"
    & skf18("8","9","1","1","10","9","1") = "9"
    & skf18("8","9","1","1","10","10","1") = "9"
    & skf18("8","9","1","2","1","1","1") = "8"
    & skf18("8","9","1","2","1","2","1") = "8"
    & skf18("8","9","1","2","1","3","1") = "8"
    & skf18("8","9","1","2","1","4","1") = "8"
    & skf18("8","9","1","2","1","5","1") = "8"
    & skf18("8","9","1","2","1","6","1") = "8"
    & skf18("8","9","1","2","1","7","1") = "8"
    & skf18("8","9","1","2","1","8","1") = "8"
    & skf18("8","9","1","2","1","9","1") = "8"
    & skf18("8","9","1","2","1","10","1") = "9"
    & skf18("8","9","1","2","2","1","1") = "8"
    & skf18("8","9","1","2","2","2","1") = "8"
    & skf18("8","9","1","2","2","3","1") = "8"
    & skf18("8","9","1","2","2","4","1") = "8"
    & skf18("8","9","1","2","2","5","1") = "8"
    & skf18("8","9","1","2","2","6","1") = "8"
    & skf18("8","9","1","2","2","7","1") = "8"
    & skf18("8","9","1","2","2","8","1") = "8"
    & skf18("8","9","1","2","2","9","1") = "8"
    & skf18("8","9","1","2","2","10","1") = "9"
    & skf18("8","9","1","2","3","1","1") = "8"
    & skf18("8","9","1","2","3","2","1") = "8"
    & skf18("8","9","1","2","3","3","1") = "8"
    & skf18("8","9","1","2","3","4","1") = "8"
    & skf18("8","9","1","2","3","5","1") = "8"
    & skf18("8","9","1","2","3","6","1") = "8"
    & skf18("8","9","1","2","3","7","1") = "8"
    & skf18("8","9","1","2","3","8","1") = "8"
    & skf18("8","9","1","2","3","9","1") = "8"
    & skf18("8","9","1","2","3","10","1") = "9"
    & skf18("8","9","1","2","4","1","1") = "8"
    & skf18("8","9","1","2","4","2","1") = "8"
    & skf18("8","9","1","2","4","3","1") = "8"
    & skf18("8","9","1","2","4","4","1") = "8"
    & skf18("8","9","1","2","4","5","1") = "8"
    & skf18("8","9","1","2","4","6","1") = "8"
    & skf18("8","9","1","2","4","7","1") = "8"
    & skf18("8","9","1","2","4","8","1") = "8"
    & skf18("8","9","1","2","4","9","1") = "8"
    & skf18("8","9","1","2","4","10","1") = "9"
    & skf18("8","9","1","2","5","1","1") = "8"
    & skf18("8","9","1","2","5","2","1") = "8"
    & skf18("8","9","1","2","5","3","1") = "8"
    & skf18("8","9","1","2","5","4","1") = "8"
    & skf18("8","9","1","2","5","5","1") = "8"
    & skf18("8","9","1","2","5","6","1") = "8"
    & skf18("8","9","1","2","5","7","1") = "8"
    & skf18("8","9","1","2","5","8","1") = "8"
    & skf18("8","9","1","2","5","9","1") = "8"
    & skf18("8","9","1","2","5","10","1") = "9"
    & skf18("8","9","1","2","6","1","1") = "8"
    & skf18("8","9","1","2","6","2","1") = "8"
    & skf18("8","9","1","2","6","3","1") = "8"
    & skf18("8","9","1","2","6","4","1") = "8"
    & skf18("8","9","1","2","6","5","1") = "8"
    & skf18("8","9","1","2","6","6","1") = "8"
    & skf18("8","9","1","2","6","7","1") = "8"
    & skf18("8","9","1","2","6","8","1") = "8"
    & skf18("8","9","1","2","6","9","1") = "8"
    & skf18("8","9","1","2","6","10","1") = "9"
    & skf18("8","9","1","2","7","1","1") = "8"
    & skf18("8","9","1","2","7","2","1") = "8"
    & skf18("8","9","1","2","7","3","1") = "8"
    & skf18("8","9","1","2","7","4","1") = "8"
    & skf18("8","9","1","2","7","5","1") = "8"
    & skf18("8","9","1","2","7","6","1") = "8"
    & skf18("8","9","1","2","7","7","1") = "8"
    & skf18("8","9","1","2","7","8","1") = "8"
    & skf18("8","9","1","2","7","9","1") = "8"
    & skf18("8","9","1","2","7","10","1") = "9"
    & skf18("8","9","1","2","8","1","1") = "8"
    & skf18("8","9","1","2","8","2","1") = "8"
    & skf18("8","9","1","2","8","3","1") = "8"
    & skf18("8","9","1","2","8","4","1") = "8"
    & skf18("8","9","1","2","8","5","1") = "8"
    & skf18("8","9","1","2","8","6","1") = "8"
    & skf18("8","9","1","2","8","7","1") = "8"
    & skf18("8","9","1","2","8","8","1") = "8"
    & skf18("8","9","1","2","8","9","1") = "8"
    & skf18("8","9","1","2","8","10","1") = "9"
    & skf18("8","9","1","2","9","1","1") = "8"
    & skf18("8","9","1","2","9","2","1") = "8"
    & skf18("8","9","1","2","9","3","1") = "8"
    & skf18("8","9","1","2","9","4","1") = "8"
    & skf18("8","9","1","2","9","5","1") = "8"
    & skf18("8","9","1","2","9","6","1") = "8"
    & skf18("8","9","1","2","9","7","1") = "8"
    & skf18("8","9","1","2","9","8","1") = "8"
    & skf18("8","9","1","2","9","9","1") = "8"
    & skf18("8","9","1","2","9","10","1") = "9"
    & skf18("8","9","1","2","10","1","1") = "9"
    & skf18("8","9","1","2","10","2","1") = "9"
    & skf18("8","9","1","2","10","3","1") = "9"
    & skf18("8","9","1","2","10","4","1") = "9"
    & skf18("8","9","1","2","10","5","1") = "9"
    & skf18("8","9","1","2","10","6","1") = "9"
    & skf18("8","9","1","2","10","7","1") = "9"
    & skf18("8","9","1","2","10","8","1") = "9"
    & skf18("8","9","1","2","10","9","1") = "9"
    & skf18("8","9","1","2","10","10","1") = "9"
    & skf18("8","9","1","3","1","1","1") = "8"
    & skf18("8","9","1","3","1","2","1") = "8"
    & skf18("8","9","1","3","1","3","1") = "8"
    & skf18("8","9","1","3","1","4","1") = "8"
    & skf18("8","9","1","3","1","5","1") = "8"
    & skf18("8","9","1","3","1","6","1") = "8"
    & skf18("8","9","1","3","1","7","1") = "8"
    & skf18("8","9","1","3","1","8","1") = "8"
    & skf18("8","9","1","3","1","9","1") = "8"
    & skf18("8","9","1","3","1","10","1") = "9"
    & skf18("8","9","1","3","2","1","1") = "8"
    & skf18("8","9","1","3","2","2","1") = "8"
    & skf18("8","9","1","3","2","3","1") = "8"
    & skf18("8","9","1","3","2","4","1") = "8"
    & skf18("8","9","1","3","2","5","1") = "8"
    & skf18("8","9","1","3","2","6","1") = "8"
    & skf18("8","9","1","3","2","7","1") = "8"
    & skf18("8","9","1","3","2","8","1") = "8"
    & skf18("8","9","1","3","2","9","1") = "8"
    & skf18("8","9","1","3","2","10","1") = "9"
    & skf18("8","9","1","3","3","1","1") = "8"
    & skf18("8","9","1","3","3","2","1") = "8"
    & skf18("8","9","1","3","3","3","1") = "8"
    & skf18("8","9","1","3","3","4","1") = "8"
    & skf18("8","9","1","3","3","5","1") = "8"
    & skf18("8","9","1","3","3","6","1") = "8"
    & skf18("8","9","1","3","3","7","1") = "8"
    & skf18("8","9","1","3","3","8","1") = "8"
    & skf18("8","9","1","3","3","9","1") = "8"
    & skf18("8","9","1","3","3","10","1") = "9"
    & skf18("8","9","1","3","4","1","1") = "8"
    & skf18("8","9","1","3","4","2","1") = "8"
    & skf18("8","9","1","3","4","3","1") = "8"
    & skf18("8","9","1","3","4","4","1") = "8"
    & skf18("8","9","1","3","4","5","1") = "8"
    & skf18("8","9","1","3","4","6","1") = "8"
    & skf18("8","9","1","3","4","7","1") = "8"
    & skf18("8","9","1","3","4","8","1") = "8"
    & skf18("8","9","1","3","4","9","1") = "8"
    & skf18("8","9","1","3","4","10","1") = "9"
    & skf18("8","9","1","3","5","1","1") = "8"
    & skf18("8","9","1","3","5","2","1") = "8"
    & skf18("8","9","1","3","5","3","1") = "8"
    & skf18("8","9","1","3","5","4","1") = "8"
    & skf18("8","9","1","3","5","5","1") = "8"
    & skf18("8","9","1","3","5","6","1") = "8"
    & skf18("8","9","1","3","5","7","1") = "8"
    & skf18("8","9","1","3","5","8","1") = "8"
    & skf18("8","9","1","3","5","9","1") = "8"
    & skf18("8","9","1","3","5","10","1") = "9"
    & skf18("8","9","1","3","6","1","1") = "8"
    & skf18("8","9","1","3","6","2","1") = "8"
    & skf18("8","9","1","3","6","3","1") = "8"
    & skf18("8","9","1","3","6","4","1") = "8"
    & skf18("8","9","1","3","6","5","1") = "8"
    & skf18("8","9","1","3","6","6","1") = "8"
    & skf18("8","9","1","3","6","7","1") = "8"
    & skf18("8","9","1","3","6","8","1") = "8"
    & skf18("8","9","1","3","6","9","1") = "8"
    & skf18("8","9","1","3","6","10","1") = "9"
    & skf18("8","9","1","3","7","1","1") = "8"
    & skf18("8","9","1","3","7","2","1") = "8"
    & skf18("8","9","1","3","7","3","1") = "8"
    & skf18("8","9","1","3","7","4","1") = "8"
    & skf18("8","9","1","3","7","5","1") = "8"
    & skf18("8","9","1","3","7","6","1") = "8"
    & skf18("8","9","1","3","7","7","1") = "8"
    & skf18("8","9","1","3","7","8","1") = "8"
    & skf18("8","9","1","3","7","9","1") = "8"
    & skf18("8","9","1","3","7","10","1") = "9"
    & skf18("8","9","1","3","8","1","1") = "8"
    & skf18("8","9","1","3","8","2","1") = "8"
    & skf18("8","9","1","3","8","3","1") = "8"
    & skf18("8","9","1","3","8","4","1") = "8"
    & skf18("8","9","1","3","8","5","1") = "8"
    & skf18("8","9","1","3","8","6","1") = "8"
    & skf18("8","9","1","3","8","7","1") = "8"
    & skf18("8","9","1","3","8","8","1") = "8"
    & skf18("8","9","1","3","8","9","1") = "8"
    & skf18("8","9","1","3","8","10","1") = "9"
    & skf18("8","9","1","3","9","1","1") = "8"
    & skf18("8","9","1","3","9","2","1") = "8"
    & skf18("8","9","1","3","9","3","1") = "8"
    & skf18("8","9","1","3","9","4","1") = "8"
    & skf18("8","9","1","3","9","5","1") = "8"
    & skf18("8","9","1","3","9","6","1") = "8"
    & skf18("8","9","1","3","9","7","1") = "8"
    & skf18("8","9","1","3","9","8","1") = "8"
    & skf18("8","9","1","3","9","9","1") = "8"
    & skf18("8","9","1","3","9","10","1") = "9"
    & skf18("8","9","1","3","10","1","1") = "9"
    & skf18("8","9","1","3","10","2","1") = "9"
    & skf18("8","9","1","3","10","3","1") = "9"
    & skf18("8","9","1","3","10","4","1") = "9"
    & skf18("8","9","1","3","10","5","1") = "9"
    & skf18("8","9","1","3","10","6","1") = "9"
    & skf18("8","9","1","3","10","7","1") = "9"
    & skf18("8","9","1","3","10","8","1") = "9"
    & skf18("8","9","1","3","10","9","1") = "9"
    & skf18("8","9","1","3","10","10","1") = "9"
    & skf18("8","9","1","4","1","1","1") = "8"
    & skf18("8","9","1","4","1","2","1") = "8"
    & skf18("8","9","1","4","1","3","1") = "8"
    & skf18("8","9","1","4","1","4","1") = "8"
    & skf18("8","9","1","4","1","5","1") = "8"
    & skf18("8","9","1","4","1","6","1") = "8"
    & skf18("8","9","1","4","1","7","1") = "8"
    & skf18("8","9","1","4","1","8","1") = "8"
    & skf18("8","9","1","4","1","9","1") = "8"
    & skf18("8","9","1","4","1","10","1") = "9"
    & skf18("8","9","1","4","2","1","1") = "8"
    & skf18("8","9","1","4","2","2","1") = "8"
    & skf18("8","9","1","4","2","3","1") = "8"
    & skf18("8","9","1","4","2","4","1") = "8"
    & skf18("8","9","1","4","2","5","1") = "8"
    & skf18("8","9","1","4","2","6","1") = "8"
    & skf18("8","9","1","4","2","7","1") = "8"
    & skf18("8","9","1","4","2","8","1") = "8"
    & skf18("8","9","1","4","2","9","1") = "8"
    & skf18("8","9","1","4","2","10","1") = "9"
    & skf18("8","9","1","4","3","1","1") = "8"
    & skf18("8","9","1","4","3","2","1") = "8"
    & skf18("8","9","1","4","3","3","1") = "8"
    & skf18("8","9","1","4","3","4","1") = "8"
    & skf18("8","9","1","4","3","5","1") = "8"
    & skf18("8","9","1","4","3","6","1") = "8"
    & skf18("8","9","1","4","3","7","1") = "8"
    & skf18("8","9","1","4","3","8","1") = "8"
    & skf18("8","9","1","4","3","9","1") = "8"
    & skf18("8","9","1","4","3","10","1") = "9"
    & skf18("8","9","1","4","4","1","1") = "8"
    & skf18("8","9","1","4","4","2","1") = "8"
    & skf18("8","9","1","4","4","3","1") = "8"
    & skf18("8","9","1","4","4","4","1") = "8"
    & skf18("8","9","1","4","4","5","1") = "8"
    & skf18("8","9","1","4","4","6","1") = "8"
    & skf18("8","9","1","4","4","7","1") = "8"
    & skf18("8","9","1","4","4","8","1") = "8"
    & skf18("8","9","1","4","4","9","1") = "8"
    & skf18("8","9","1","4","4","10","1") = "9"
    & skf18("8","9","1","4","5","1","1") = "8"
    & skf18("8","9","1","4","5","2","1") = "8"
    & skf18("8","9","1","4","5","3","1") = "8"
    & skf18("8","9","1","4","5","4","1") = "8"
    & skf18("8","9","1","4","5","5","1") = "8"
    & skf18("8","9","1","4","5","6","1") = "8"
    & skf18("8","9","1","4","5","7","1") = "8"
    & skf18("8","9","1","4","5","8","1") = "8"
    & skf18("8","9","1","4","5","9","1") = "8"
    & skf18("8","9","1","4","5","10","1") = "9"
    & skf18("8","9","1","4","6","1","1") = "8"
    & skf18("8","9","1","4","6","2","1") = "8"
    & skf18("8","9","1","4","6","3","1") = "8"
    & skf18("8","9","1","4","6","4","1") = "8"
    & skf18("8","9","1","4","6","5","1") = "8"
    & skf18("8","9","1","4","6","6","1") = "8"
    & skf18("8","9","1","4","6","7","1") = "8"
    & skf18("8","9","1","4","6","8","1") = "8"
    & skf18("8","9","1","4","6","9","1") = "8"
    & skf18("8","9","1","4","6","10","1") = "9"
    & skf18("8","9","1","4","7","1","1") = "8"
    & skf18("8","9","1","4","7","2","1") = "8"
    & skf18("8","9","1","4","7","3","1") = "8"
    & skf18("8","9","1","4","7","4","1") = "8"
    & skf18("8","9","1","4","7","5","1") = "8"
    & skf18("8","9","1","4","7","6","1") = "8"
    & skf18("8","9","1","4","7","7","1") = "8"
    & skf18("8","9","1","4","7","8","1") = "8"
    & skf18("8","9","1","4","7","9","1") = "8"
    & skf18("8","9","1","4","7","10","1") = "9"
    & skf18("8","9","1","4","8","1","1") = "8"
    & skf18("8","9","1","4","8","2","1") = "8"
    & skf18("8","9","1","4","8","3","1") = "8"
    & skf18("8","9","1","4","8","4","1") = "8"
    & skf18("8","9","1","4","8","5","1") = "8"
    & skf18("8","9","1","4","8","6","1") = "8"
    & skf18("8","9","1","4","8","7","1") = "8"
    & skf18("8","9","1","4","8","8","1") = "8"
    & skf18("8","9","1","4","8","9","1") = "8"
    & skf18("8","9","1","4","8","10","1") = "9"
    & skf18("8","9","1","4","9","1","1") = "8"
    & skf18("8","9","1","4","9","2","1") = "8"
    & skf18("8","9","1","4","9","3","1") = "8"
    & skf18("8","9","1","4","9","4","1") = "8"
    & skf18("8","9","1","4","9","5","1") = "8"
    & skf18("8","9","1","4","9","6","1") = "8"
    & skf18("8","9","1","4","9","7","1") = "8"
    & skf18("8","9","1","4","9","8","1") = "8"
    & skf18("8","9","1","4","9","9","1") = "8"
    & skf18("8","9","1","4","9","10","1") = "9"
    & skf18("8","9","1","4","10","1","1") = "9"
    & skf18("8","9","1","4","10","2","1") = "9"
    & skf18("8","9","1","4","10","3","1") = "9"
    & skf18("8","9","1","4","10","4","1") = "9"
    & skf18("8","9","1","4","10","5","1") = "9"
    & skf18("8","9","1","4","10","6","1") = "9"
    & skf18("8","9","1","4","10","7","1") = "9"
    & skf18("8","9","1","4","10","8","1") = "9"
    & skf18("8","9","1","4","10","9","1") = "9"
    & skf18("8","9","1","4","10","10","1") = "9"
    & skf18("8","9","1","5","1","1","1") = "8"
    & skf18("8","9","1","5","1","2","1") = "8"
    & skf18("8","9","1","5","1","3","1") = "8"
    & skf18("8","9","1","5","1","4","1") = "8"
    & skf18("8","9","1","5","1","5","1") = "8"
    & skf18("8","9","1","5","1","6","1") = "8"
    & skf18("8","9","1","5","1","7","1") = "8"
    & skf18("8","9","1","5","1","8","1") = "8"
    & skf18("8","9","1","5","1","9","1") = "8"
    & skf18("8","9","1","5","1","10","1") = "9"
    & skf18("8","9","1","5","2","1","1") = "8"
    & skf18("8","9","1","5","2","2","1") = "8"
    & skf18("8","9","1","5","2","3","1") = "8"
    & skf18("8","9","1","5","2","4","1") = "8"
    & skf18("8","9","1","5","2","5","1") = "8"
    & skf18("8","9","1","5","2","6","1") = "8"
    & skf18("8","9","1","5","2","7","1") = "8"
    & skf18("8","9","1","5","2","8","1") = "8"
    & skf18("8","9","1","5","2","9","1") = "8"
    & skf18("8","9","1","5","2","10","1") = "9"
    & skf18("8","9","1","5","3","1","1") = "8"
    & skf18("8","9","1","5","3","2","1") = "8"
    & skf18("8","9","1","5","3","3","1") = "8"
    & skf18("8","9","1","5","3","4","1") = "8"
    & skf18("8","9","1","5","3","5","1") = "8"
    & skf18("8","9","1","5","3","6","1") = "8"
    & skf18("8","9","1","5","3","7","1") = "8"
    & skf18("8","9","1","5","3","8","1") = "8"
    & skf18("8","9","1","5","3","9","1") = "8"
    & skf18("8","9","1","5","3","10","1") = "9"
    & skf18("8","9","1","5","4","1","1") = "8"
    & skf18("8","9","1","5","4","2","1") = "8"
    & skf18("8","9","1","5","4","3","1") = "8"
    & skf18("8","9","1","5","4","4","1") = "8"
    & skf18("8","9","1","5","4","5","1") = "8"
    & skf18("8","9","1","5","4","6","1") = "8"
    & skf18("8","9","1","5","4","7","1") = "8"
    & skf18("8","9","1","5","4","8","1") = "8"
    & skf18("8","9","1","5","4","9","1") = "8"
    & skf18("8","9","1","5","4","10","1") = "9"
    & skf18("8","9","1","5","5","1","1") = "8"
    & skf18("8","9","1","5","5","2","1") = "8"
    & skf18("8","9","1","5","5","3","1") = "8"
    & skf18("8","9","1","5","5","4","1") = "8"
    & skf18("8","9","1","5","5","5","1") = "8"
    & skf18("8","9","1","5","5","6","1") = "8"
    & skf18("8","9","1","5","5","7","1") = "8"
    & skf18("8","9","1","5","5","8","1") = "8"
    & skf18("8","9","1","5","5","9","1") = "8"
    & skf18("8","9","1","5","5","10","1") = "9"
    & skf18("8","9","1","5","6","1","1") = "8"
    & skf18("8","9","1","5","6","2","1") = "8"
    & skf18("8","9","1","5","6","3","1") = "8"
    & skf18("8","9","1","5","6","4","1") = "8"
    & skf18("8","9","1","5","6","5","1") = "8"
    & skf18("8","9","1","5","6","6","1") = "8"
    & skf18("8","9","1","5","6","7","1") = "8"
    & skf18("8","9","1","5","6","8","1") = "8"
    & skf18("8","9","1","5","6","9","1") = "8"
    & skf18("8","9","1","5","6","10","1") = "9"
    & skf18("8","9","1","5","7","1","1") = "8"
    & skf18("8","9","1","5","7","2","1") = "8"
    & skf18("8","9","1","5","7","3","1") = "8"
    & skf18("8","9","1","5","7","4","1") = "8"
    & skf18("8","9","1","5","7","5","1") = "8"
    & skf18("8","9","1","5","7","6","1") = "8"
    & skf18("8","9","1","5","7","7","1") = "8"
    & skf18("8","9","1","5","7","8","1") = "8"
    & skf18("8","9","1","5","7","9","1") = "8"
    & skf18("8","9","1","5","7","10","1") = "9"
    & skf18("8","9","1","5","8","1","1") = "8"
    & skf18("8","9","1","5","8","2","1") = "8"
    & skf18("8","9","1","5","8","3","1") = "8"
    & skf18("8","9","1","5","8","4","1") = "8"
    & skf18("8","9","1","5","8","5","1") = "8"
    & skf18("8","9","1","5","8","6","1") = "8"
    & skf18("8","9","1","5","8","7","1") = "8"
    & skf18("8","9","1","5","8","8","1") = "8"
    & skf18("8","9","1","5","8","9","1") = "8"
    & skf18("8","9","1","5","8","10","1") = "9"
    & skf18("8","9","1","5","9","1","1") = "8"
    & skf18("8","9","1","5","9","2","1") = "8"
    & skf18("8","9","1","5","9","3","1") = "8"
    & skf18("8","9","1","5","9","4","1") = "8"
    & skf18("8","9","1","5","9","5","1") = "8"
    & skf18("8","9","1","5","9","6","1") = "8"
    & skf18("8","9","1","5","9","7","1") = "8"
    & skf18("8","9","1","5","9","8","1") = "8"
    & skf18("8","9","1","5","9","9","1") = "8"
    & skf18("8","9","1","5","9","10","1") = "9"
    & skf18("8","9","1","5","10","1","1") = "9"
    & skf18("8","9","1","5","10","2","1") = "9"
    & skf18("8","9","1","5","10","3","1") = "9"
    & skf18("8","9","1","5","10","4","1") = "9"
    & skf18("8","9","1","5","10","5","1") = "9"
    & skf18("8","9","1","5","10","6","1") = "9"
    & skf18("8","9","1","5","10","7","1") = "9"
    & skf18("8","9","1","5","10","8","1") = "9"
    & skf18("8","9","1","5","10","9","1") = "9"
    & skf18("8","9","1","5","10","10","1") = "9"
    & skf18("8","9","1","6","1","1","1") = "8"
    & skf18("8","9","1","6","1","2","1") = "8"
    & skf18("8","9","1","6","1","3","1") = "8"
    & skf18("8","9","1","6","1","4","1") = "8"
    & skf18("8","9","1","6","1","5","1") = "8"
    & skf18("8","9","1","6","1","6","1") = "8"
    & skf18("8","9","1","6","1","7","1") = "8"
    & skf18("8","9","1","6","1","8","1") = "8"
    & skf18("8","9","1","6","1","9","1") = "8"
    & skf18("8","9","1","6","1","10","1") = "9"
    & skf18("8","9","1","6","2","1","1") = "8"
    & skf18("8","9","1","6","2","2","1") = "8"
    & skf18("8","9","1","6","2","3","1") = "8"
    & skf18("8","9","1","6","2","4","1") = "8"
    & skf18("8","9","1","6","2","5","1") = "8"
    & skf18("8","9","1","6","2","6","1") = "8"
    & skf18("8","9","1","6","2","7","1") = "8"
    & skf18("8","9","1","6","2","8","1") = "8"
    & skf18("8","9","1","6","2","9","1") = "8"
    & skf18("8","9","1","6","2","10","1") = "9"
    & skf18("8","9","1","6","3","1","1") = "8"
    & skf18("8","9","1","6","3","2","1") = "8"
    & skf18("8","9","1","6","3","3","1") = "8"
    & skf18("8","9","1","6","3","4","1") = "8"
    & skf18("8","9","1","6","3","5","1") = "8"
    & skf18("8","9","1","6","3","6","1") = "8"
    & skf18("8","9","1","6","3","7","1") = "8"
    & skf18("8","9","1","6","3","8","1") = "8"
    & skf18("8","9","1","6","3","9","1") = "8"
    & skf18("8","9","1","6","3","10","1") = "9"
    & skf18("8","9","1","6","4","1","1") = "8"
    & skf18("8","9","1","6","4","2","1") = "8"
    & skf18("8","9","1","6","4","3","1") = "8"
    & skf18("8","9","1","6","4","4","1") = "8"
    & skf18("8","9","1","6","4","5","1") = "8"
    & skf18("8","9","1","6","4","6","1") = "8"
    & skf18("8","9","1","6","4","7","1") = "8"
    & skf18("8","9","1","6","4","8","1") = "8"
    & skf18("8","9","1","6","4","9","1") = "8"
    & skf18("8","9","1","6","4","10","1") = "9"
    & skf18("8","9","1","6","5","1","1") = "8"
    & skf18("8","9","1","6","5","2","1") = "8"
    & skf18("8","9","1","6","5","3","1") = "8"
    & skf18("8","9","1","6","5","4","1") = "8"
    & skf18("8","9","1","6","5","5","1") = "8"
    & skf18("8","9","1","6","5","6","1") = "8"
    & skf18("8","9","1","6","5","7","1") = "8"
    & skf18("8","9","1","6","5","8","1") = "8"
    & skf18("8","9","1","6","5","9","1") = "8"
    & skf18("8","9","1","6","5","10","1") = "9"
    & skf18("8","9","1","6","6","1","1") = "8"
    & skf18("8","9","1","6","6","2","1") = "8"
    & skf18("8","9","1","6","6","3","1") = "8"
    & skf18("8","9","1","6","6","4","1") = "8"
    & skf18("8","9","1","6","6","5","1") = "8"
    & skf18("8","9","1","6","6","6","1") = "8"
    & skf18("8","9","1","6","6","7","1") = "8"
    & skf18("8","9","1","6","6","8","1") = "8"
    & skf18("8","9","1","6","6","9","1") = "8"
    & skf18("8","9","1","6","6","10","1") = "9"
    & skf18("8","9","1","6","7","1","1") = "8"
    & skf18("8","9","1","6","7","2","1") = "8"
    & skf18("8","9","1","6","7","3","1") = "8"
    & skf18("8","9","1","6","7","4","1") = "8"
    & skf18("8","9","1","6","7","5","1") = "8"
    & skf18("8","9","1","6","7","6","1") = "8"
    & skf18("8","9","1","6","7","7","1") = "8"
    & skf18("8","9","1","6","7","8","1") = "8"
    & skf18("8","9","1","6","7","9","1") = "8"
    & skf18("8","9","1","6","7","10","1") = "9"
    & skf18("8","9","1","6","8","1","1") = "8"
    & skf18("8","9","1","6","8","2","1") = "8"
    & skf18("8","9","1","6","8","3","1") = "8"
    & skf18("8","9","1","6","8","4","1") = "8"
    & skf18("8","9","1","6","8","5","1") = "8"
    & skf18("8","9","1","6","8","6","1") = "8"
    & skf18("8","9","1","6","8","7","1") = "8"
    & skf18("8","9","1","6","8","8","1") = "8"
    & skf18("8","9","1","6","8","9","1") = "8"
    & skf18("8","9","1","6","8","10","1") = "9"
    & skf18("8","9","1","6","9","1","1") = "8"
    & skf18("8","9","1","6","9","2","1") = "8"
    & skf18("8","9","1","6","9","3","1") = "8"
    & skf18("8","9","1","6","9","4","1") = "8"
    & skf18("8","9","1","6","9","5","1") = "8"
    & skf18("8","9","1","6","9","6","1") = "8"
    & skf18("8","9","1","6","9","7","1") = "8"
    & skf18("8","9","1","6","9","8","1") = "8"
    & skf18("8","9","1","6","9","9","1") = "8"
    & skf18("8","9","1","6","9","10","1") = "9"
    & skf18("8","9","1","6","10","1","1") = "9"
    & skf18("8","9","1","6","10","2","1") = "9"
    & skf18("8","9","1","6","10","3","1") = "9"
    & skf18("8","9","1","6","10","4","1") = "9"
    & skf18("8","9","1","6","10","5","1") = "9"
    & skf18("8","9","1","6","10","6","1") = "9"
    & skf18("8","9","1","6","10","7","1") = "9"
    & skf18("8","9","1","6","10","8","1") = "9"
    & skf18("8","9","1","6","10","9","1") = "9"
    & skf18("8","9","1","6","10","10","1") = "9"
    & skf18("8","9","1","7","1","1","1") = "8"
    & skf18("8","9","1","7","1","2","1") = "8"
    & skf18("8","9","1","7","1","3","1") = "8"
    & skf18("8","9","1","7","1","4","1") = "8"
    & skf18("8","9","1","7","1","5","1") = "8"
    & skf18("8","9","1","7","1","6","1") = "8"
    & skf18("8","9","1","7","1","7","1") = "8"
    & skf18("8","9","1","7","1","8","1") = "8"
    & skf18("8","9","1","7","1","9","1") = "8"
    & skf18("8","9","1","7","1","10","1") = "9"
    & skf18("8","9","1","7","2","1","1") = "8"
    & skf18("8","9","1","7","2","2","1") = "8"
    & skf18("8","9","1","7","2","3","1") = "8"
    & skf18("8","9","1","7","2","4","1") = "8"
    & skf18("8","9","1","7","2","5","1") = "8"
    & skf18("8","9","1","7","2","6","1") = "8"
    & skf18("8","9","1","7","2","7","1") = "8"
    & skf18("8","9","1","7","2","8","1") = "8"
    & skf18("8","9","1","7","2","9","1") = "8"
    & skf18("8","9","1","7","2","10","1") = "9"
    & skf18("8","9","1","7","3","1","1") = "8"
    & skf18("8","9","1","7","3","2","1") = "8"
    & skf18("8","9","1","7","3","3","1") = "8"
    & skf18("8","9","1","7","3","4","1") = "8"
    & skf18("8","9","1","7","3","5","1") = "8"
    & skf18("8","9","1","7","3","6","1") = "8"
    & skf18("8","9","1","7","3","7","1") = "8"
    & skf18("8","9","1","7","3","8","1") = "8"
    & skf18("8","9","1","7","3","9","1") = "8"
    & skf18("8","9","1","7","3","10","1") = "9"
    & skf18("8","9","1","7","4","1","1") = "8"
    & skf18("8","9","1","7","4","2","1") = "8"
    & skf18("8","9","1","7","4","3","1") = "8"
    & skf18("8","9","1","7","4","4","1") = "8"
    & skf18("8","9","1","7","4","5","1") = "8"
    & skf18("8","9","1","7","4","6","1") = "8"
    & skf18("8","9","1","7","4","7","1") = "8"
    & skf18("8","9","1","7","4","8","1") = "8"
    & skf18("8","9","1","7","4","9","1") = "8"
    & skf18("8","9","1","7","4","10","1") = "9"
    & skf18("8","9","1","7","5","1","1") = "8"
    & skf18("8","9","1","7","5","2","1") = "8"
    & skf18("8","9","1","7","5","3","1") = "8"
    & skf18("8","9","1","7","5","4","1") = "8"
    & skf18("8","9","1","7","5","5","1") = "8"
    & skf18("8","9","1","7","5","6","1") = "8"
    & skf18("8","9","1","7","5","7","1") = "8"
    & skf18("8","9","1","7","5","8","1") = "8"
    & skf18("8","9","1","7","5","9","1") = "8"
    & skf18("8","9","1","7","5","10","1") = "9"
    & skf18("8","9","1","7","6","1","1") = "8"
    & skf18("8","9","1","7","6","2","1") = "8"
    & skf18("8","9","1","7","6","3","1") = "8"
    & skf18("8","9","1","7","6","4","1") = "8"
    & skf18("8","9","1","7","6","5","1") = "8"
    & skf18("8","9","1","7","6","6","1") = "8"
    & skf18("8","9","1","7","6","7","1") = "8"
    & skf18("8","9","1","7","6","8","1") = "8"
    & skf18("8","9","1","7","6","9","1") = "8"
    & skf18("8","9","1","7","6","10","1") = "9"
    & skf18("8","9","1","7","7","1","1") = "8"
    & skf18("8","9","1","7","7","2","1") = "8"
    & skf18("8","9","1","7","7","3","1") = "8"
    & skf18("8","9","1","7","7","4","1") = "8"
    & skf18("8","9","1","7","7","5","1") = "8"
    & skf18("8","9","1","7","7","6","1") = "8"
    & skf18("8","9","1","7","7","7","1") = "8"
    & skf18("8","9","1","7","7","8","1") = "8"
    & skf18("8","9","1","7","7","9","1") = "8"
    & skf18("8","9","1","7","7","10","1") = "9"
    & skf18("8","9","1","7","8","1","1") = "8"
    & skf18("8","9","1","7","8","2","1") = "8"
    & skf18("8","9","1","7","8","3","1") = "8"
    & skf18("8","9","1","7","8","4","1") = "8"
    & skf18("8","9","1","7","8","5","1") = "8"
    & skf18("8","9","1","7","8","6","1") = "8"
    & skf18("8","9","1","7","8","7","1") = "8"
    & skf18("8","9","1","7","8","8","1") = "8"
    & skf18("8","9","1","7","8","9","1") = "8"
    & skf18("8","9","1","7","8","10","1") = "9"
    & skf18("8","9","1","7","9","1","1") = "8"
    & skf18("8","9","1","7","9","2","1") = "8"
    & skf18("8","9","1","7","9","3","1") = "8"
    & skf18("8","9","1","7","9","4","1") = "8"
    & skf18("8","9","1","7","9","5","1") = "8"
    & skf18("8","9","1","7","9","6","1") = "8"
    & skf18("8","9","1","7","9","7","1") = "8"
    & skf18("8","9","1","7","9","8","1") = "8"
    & skf18("8","9","1","7","9","9","1") = "8"
    & skf18("8","9","1","7","9","10","1") = "9"
    & skf18("8","9","1","7","10","1","1") = "9"
    & skf18("8","9","1","7","10","2","1") = "9"
    & skf18("8","9","1","7","10","3","1") = "9"
    & skf18("8","9","1","7","10","4","1") = "9"
    & skf18("8","9","1","7","10","5","1") = "9"
    & skf18("8","9","1","7","10","6","1") = "9"
    & skf18("8","9","1","7","10","7","1") = "9"
    & skf18("8","9","1","7","10","8","1") = "9"
    & skf18("8","9","1","7","10","9","1") = "9"
    & skf18("8","9","1","7","10","10","1") = "9"
    & skf18("8","9","1","8","1","1","1") = "8"
    & skf18("8","9","1","8","1","2","1") = "8"
    & skf18("8","9","1","8","1","3","1") = "8"
    & skf18("8","9","1","8","1","4","1") = "8"
    & skf18("8","9","1","8","1","5","1") = "8"
    & skf18("8","9","1","8","1","6","1") = "8"
    & skf18("8","9","1","8","1","7","1") = "8"
    & skf18("8","9","1","8","1","8","1") = "8"
    & skf18("8","9","1","8","1","9","1") = "8"
    & skf18("8","9","1","8","1","10","1") = "9"
    & skf18("8","9","1","8","2","1","1") = "8"
    & skf18("8","9","1","8","2","2","1") = "8"
    & skf18("8","9","1","8","2","3","1") = "8"
    & skf18("8","9","1","8","2","4","1") = "8"
    & skf18("8","9","1","8","2","5","1") = "8"
    & skf18("8","9","1","8","2","6","1") = "8"
    & skf18("8","9","1","8","2","7","1") = "8"
    & skf18("8","9","1","8","2","8","1") = "8"
    & skf18("8","9","1","8","2","9","1") = "8"
    & skf18("8","9","1","8","2","10","1") = "9"
    & skf18("8","9","1","8","3","1","1") = "8"
    & skf18("8","9","1","8","3","2","1") = "8"
    & skf18("8","9","1","8","3","3","1") = "8"
    & skf18("8","9","1","8","3","4","1") = "8"
    & skf18("8","9","1","8","3","5","1") = "8"
    & skf18("8","9","1","8","3","6","1") = "8"
    & skf18("8","9","1","8","3","7","1") = "8"
    & skf18("8","9","1","8","3","8","1") = "8"
    & skf18("8","9","1","8","3","9","1") = "8"
    & skf18("8","9","1","8","3","10","1") = "9"
    & skf18("8","9","1","8","4","1","1") = "8"
    & skf18("8","9","1","8","4","2","1") = "8"
    & skf18("8","9","1","8","4","3","1") = "8"
    & skf18("8","9","1","8","4","4","1") = "8"
    & skf18("8","9","1","8","4","5","1") = "8"
    & skf18("8","9","1","8","4","6","1") = "8"
    & skf18("8","9","1","8","4","7","1") = "8"
    & skf18("8","9","1","8","4","8","1") = "8"
    & skf18("8","9","1","8","4","9","1") = "8"
    & skf18("8","9","1","8","4","10","1") = "9"
    & skf18("8","9","1","8","5","1","1") = "8"
    & skf18("8","9","1","8","5","2","1") = "8"
    & skf18("8","9","1","8","5","3","1") = "8"
    & skf18("8","9","1","8","5","4","1") = "8"
    & skf18("8","9","1","8","5","5","1") = "8"
    & skf18("8","9","1","8","5","6","1") = "8"
    & skf18("8","9","1","8","5","7","1") = "8"
    & skf18("8","9","1","8","5","8","1") = "8"
    & skf18("8","9","1","8","5","9","1") = "8"
    & skf18("8","9","1","8","5","10","1") = "9"
    & skf18("8","9","1","8","6","1","1") = "8"
    & skf18("8","9","1","8","6","2","1") = "8"
    & skf18("8","9","1","8","6","3","1") = "8"
    & skf18("8","9","1","8","6","4","1") = "8"
    & skf18("8","9","1","8","6","5","1") = "8"
    & skf18("8","9","1","8","6","6","1") = "8"
    & skf18("8","9","1","8","6","7","1") = "8"
    & skf18("8","9","1","8","6","8","1") = "8"
    & skf18("8","9","1","8","6","9","1") = "8"
    & skf18("8","9","1","8","6","10","1") = "9"
    & skf18("8","9","1","8","7","1","1") = "8"
    & skf18("8","9","1","8","7","2","1") = "8"
    & skf18("8","9","1","8","7","3","1") = "8"
    & skf18("8","9","1","8","7","4","1") = "8"
    & skf18("8","9","1","8","7","5","1") = "8"
    & skf18("8","9","1","8","7","6","1") = "8"
    & skf18("8","9","1","8","7","7","1") = "8"
    & skf18("8","9","1","8","7","8","1") = "8"
    & skf18("8","9","1","8","7","9","1") = "8"
    & skf18("8","9","1","8","7","10","1") = "9"
    & skf18("8","9","1","8","8","1","1") = "8"
    & skf18("8","9","1","8","8","2","1") = "8"
    & skf18("8","9","1","8","8","3","1") = "8"
    & skf18("8","9","1","8","8","4","1") = "8"
    & skf18("8","9","1","8","8","5","1") = "8"
    & skf18("8","9","1","8","8","6","1") = "8"
    & skf18("8","9","1","8","8","7","1") = "8"
    & skf18("8","9","1","8","8","8","1") = "8"
    & skf18("8","9","1","8","8","9","1") = "8"
    & skf18("8","9","1","8","8","10","1") = "9"
    & skf18("8","9","1","8","9","1","1") = "8"
    & skf18("8","9","1","8","9","2","1") = "8"
    & skf18("8","9","1","8","9","3","1") = "8"
    & skf18("8","9","1","8","9","4","1") = "8"
    & skf18("8","9","1","8","9","5","1") = "8"
    & skf18("8","9","1","8","9","6","1") = "8"
    & skf18("8","9","1","8","9","7","1") = "8"
    & skf18("8","9","1","8","9","8","1") = "8"
    & skf18("8","9","1","8","9","9","1") = "8"
    & skf18("8","9","1","8","9","10","1") = "9"
    & skf18("8","9","1","8","10","1","1") = "9"
    & skf18("8","9","1","8","10","2","1") = "9"
    & skf18("8","9","1","8","10","3","1") = "9"
    & skf18("8","9","1","8","10","4","1") = "9"
    & skf18("8","9","1","8","10","5","1") = "9"
    & skf18("8","9","1","8","10","6","1") = "9"
    & skf18("8","9","1","8","10","7","1") = "9"
    & skf18("8","9","1","8","10","8","1") = "9"
    & skf18("8","9","1","8","10","9","1") = "9"
    & skf18("8","9","1","8","10","10","1") = "9"
    & skf18("8","9","1","9","1","1","1") = "8"
    & skf18("8","9","1","9","1","2","1") = "8"
    & skf18("8","9","1","9","1","3","1") = "8"
    & skf18("8","9","1","9","1","4","1") = "8"
    & skf18("8","9","1","9","1","5","1") = "8"
    & skf18("8","9","1","9","1","6","1") = "8"
    & skf18("8","9","1","9","1","7","1") = "8"
    & skf18("8","9","1","9","1","8","1") = "8"
    & skf18("8","9","1","9","1","9","1") = "8"
    & skf18("8","9","1","9","1","10","1") = "9"
    & skf18("8","9","1","9","2","1","1") = "8"
    & skf18("8","9","1","9","2","2","1") = "8"
    & skf18("8","9","1","9","2","3","1") = "8"
    & skf18("8","9","1","9","2","4","1") = "8"
    & skf18("8","9","1","9","2","5","1") = "8"
    & skf18("8","9","1","9","2","6","1") = "8"
    & skf18("8","9","1","9","2","7","1") = "8"
    & skf18("8","9","1","9","2","8","1") = "8"
    & skf18("8","9","1","9","2","9","1") = "8"
    & skf18("8","9","1","9","2","10","1") = "9"
    & skf18("8","9","1","9","3","1","1") = "8"
    & skf18("8","9","1","9","3","2","1") = "8"
    & skf18("8","9","1","9","3","3","1") = "8"
    & skf18("8","9","1","9","3","4","1") = "8"
    & skf18("8","9","1","9","3","5","1") = "8"
    & skf18("8","9","1","9","3","6","1") = "8"
    & skf18("8","9","1","9","3","7","1") = "8"
    & skf18("8","9","1","9","3","8","1") = "8"
    & skf18("8","9","1","9","3","9","1") = "8"
    & skf18("8","9","1","9","3","10","1") = "9"
    & skf18("8","9","1","9","4","1","1") = "8"
    & skf18("8","9","1","9","4","2","1") = "8"
    & skf18("8","9","1","9","4","3","1") = "8"
    & skf18("8","9","1","9","4","4","1") = "8"
    & skf18("8","9","1","9","4","5","1") = "8"
    & skf18("8","9","1","9","4","6","1") = "8"
    & skf18("8","9","1","9","4","7","1") = "8"
    & skf18("8","9","1","9","4","8","1") = "8"
    & skf18("8","9","1","9","4","9","1") = "8"
    & skf18("8","9","1","9","4","10","1") = "9"
    & skf18("8","9","1","9","5","1","1") = "8"
    & skf18("8","9","1","9","5","2","1") = "8"
    & skf18("8","9","1","9","5","3","1") = "8"
    & skf18("8","9","1","9","5","4","1") = "8"
    & skf18("8","9","1","9","5","5","1") = "8"
    & skf18("8","9","1","9","5","6","1") = "8"
    & skf18("8","9","1","9","5","7","1") = "8"
    & skf18("8","9","1","9","5","8","1") = "8"
    & skf18("8","9","1","9","5","9","1") = "8"
    & skf18("8","9","1","9","5","10","1") = "9"
    & skf18("8","9","1","9","6","1","1") = "8"
    & skf18("8","9","1","9","6","2","1") = "8"
    & skf18("8","9","1","9","6","3","1") = "8"
    & skf18("8","9","1","9","6","4","1") = "8"
    & skf18("8","9","1","9","6","5","1") = "8"
    & skf18("8","9","1","9","6","6","1") = "8"
    & skf18("8","9","1","9","6","7","1") = "8"
    & skf18("8","9","1","9","6","8","1") = "8"
    & skf18("8","9","1","9","6","9","1") = "8"
    & skf18("8","9","1","9","6","10","1") = "9"
    & skf18("8","9","1","9","7","1","1") = "8"
    & skf18("8","9","1","9","7","2","1") = "8"
    & skf18("8","9","1","9","7","3","1") = "8"
    & skf18("8","9","1","9","7","4","1") = "8"
    & skf18("8","9","1","9","7","5","1") = "8"
    & skf18("8","9","1","9","7","6","1") = "8"
    & skf18("8","9","1","9","7","7","1") = "8"
    & skf18("8","9","1","9","7","8","1") = "8"
    & skf18("8","9","1","9","7","9","1") = "8"
    & skf18("8","9","1","9","7","10","1") = "9"
    & skf18("8","9","1","9","8","1","1") = "8"
    & skf18("8","9","1","9","8","2","1") = "8"
    & skf18("8","9","1","9","8","3","1") = "8"
    & skf18("8","9","1","9","8","4","1") = "8"
    & skf18("8","9","1","9","8","5","1") = "8"
    & skf18("8","9","1","9","8","6","1") = "8"
    & skf18("8","9","1","9","8","7","1") = "8"
    & skf18("8","9","1","9","8","8","1") = "8"
    & skf18("8","9","1","9","8","9","1") = "8"
    & skf18("8","9","1","9","8","10","1") = "9"
    & skf18("8","9","1","9","9","1","1") = "8"
    & skf18("8","9","1","9","9","2","1") = "8"
    & skf18("8","9","1","9","9","3","1") = "8"
    & skf18("8","9","1","9","9","4","1") = "8"
    & skf18("8","9","1","9","9","5","1") = "8"
    & skf18("8","9","1","9","9","6","1") = "8"
    & skf18("8","9","1","9","9","7","1") = "8"
    & skf18("8","9","1","9","9","8","1") = "8"
    & skf18("8","9","1","9","9","9","1") = "8"
    & skf18("8","9","1","9","9","10","1") = "9"
    & skf18("8","9","1","9","10","1","1") = "9"
    & skf18("8","9","1","9","10","2","1") = "9"
    & skf18("8","9","1","9","10","3","1") = "9"
    & skf18("8","9","1","9","10","4","1") = "9"
    & skf18("8","9","1","9","10","5","1") = "9"
    & skf18("8","9","1","9","10","6","1") = "9"
    & skf18("8","9","1","9","10","7","1") = "9"
    & skf18("8","9","1","9","10","8","1") = "9"
    & skf18("8","9","1","9","10","9","1") = "9"
    & skf18("8","9","1","9","10","10","1") = "9"
    & skf18("8","9","1","10","1","1","1") = "9"
    & skf18("8","9","1","10","1","2","1") = "9"
    & skf18("8","9","1","10","1","3","1") = "9"
    & skf18("8","9","1","10","1","4","1") = "9"
    & skf18("8","9","1","10","1","5","1") = "9"
    & skf18("8","9","1","10","1","6","1") = "9"
    & skf18("8","9","1","10","1","7","1") = "9"
    & skf18("8","9","1","10","1","8","1") = "9"
    & skf18("8","9","1","10","1","9","1") = "9"
    & skf18("8","9","1","10","1","10","1") = "9"
    & skf18("8","9","1","10","2","1","1") = "9"
    & skf18("8","9","1","10","2","2","1") = "9"
    & skf18("8","9","1","10","2","3","1") = "9"
    & skf18("8","9","1","10","2","4","1") = "9"
    & skf18("8","9","1","10","2","5","1") = "9"
    & skf18("8","9","1","10","2","6","1") = "9"
    & skf18("8","9","1","10","2","7","1") = "9"
    & skf18("8","9","1","10","2","8","1") = "9"
    & skf18("8","9","1","10","2","9","1") = "9"
    & skf18("8","9","1","10","2","10","1") = "9"
    & skf18("8","9","1","10","3","1","1") = "9"
    & skf18("8","9","1","10","3","2","1") = "9"
    & skf18("8","9","1","10","3","3","1") = "9"
    & skf18("8","9","1","10","3","4","1") = "9"
    & skf18("8","9","1","10","3","5","1") = "9"
    & skf18("8","9","1","10","3","6","1") = "9"
    & skf18("8","9","1","10","3","7","1") = "9"
    & skf18("8","9","1","10","3","8","1") = "9"
    & skf18("8","9","1","10","3","9","1") = "9"
    & skf18("8","9","1","10","3","10","1") = "9"
    & skf18("8","9","1","10","4","1","1") = "9"
    & skf18("8","9","1","10","4","2","1") = "9"
    & skf18("8","9","1","10","4","3","1") = "9"
    & skf18("8","9","1","10","4","4","1") = "9"
    & skf18("8","9","1","10","4","5","1") = "9"
    & skf18("8","9","1","10","4","6","1") = "9"
    & skf18("8","9","1","10","4","7","1") = "9"
    & skf18("8","9","1","10","4","8","1") = "9"
    & skf18("8","9","1","10","4","9","1") = "9"
    & skf18("8","9","1","10","4","10","1") = "9"
    & skf18("8","9","1","10","5","1","1") = "9"
    & skf18("8","9","1","10","5","2","1") = "9"
    & skf18("8","9","1","10","5","3","1") = "9"
    & skf18("8","9","1","10","5","4","1") = "9"
    & skf18("8","9","1","10","5","5","1") = "9"
    & skf18("8","9","1","10","5","6","1") = "9"
    & skf18("8","9","1","10","5","7","1") = "9"
    & skf18("8","9","1","10","5","8","1") = "9"
    & skf18("8","9","1","10","5","9","1") = "9"
    & skf18("8","9","1","10","5","10","1") = "9"
    & skf18("8","9","1","10","6","1","1") = "9"
    & skf18("8","9","1","10","6","2","1") = "9"
    & skf18("8","9","1","10","6","3","1") = "9"
    & skf18("8","9","1","10","6","4","1") = "9"
    & skf18("8","9","1","10","6","5","1") = "9"
    & skf18("8","9","1","10","6","6","1") = "9"
    & skf18("8","9","1","10","6","7","1") = "9"
    & skf18("8","9","1","10","6","8","1") = "9"
    & skf18("8","9","1","10","6","9","1") = "9"
    & skf18("8","9","1","10","6","10","1") = "9"
    & skf18("8","9","1","10","7","1","1") = "9"
    & skf18("8","9","1","10","7","2","1") = "9"
    & skf18("8","9","1","10","7","3","1") = "9"
    & skf18("8","9","1","10","7","4","1") = "9"
    & skf18("8","9","1","10","7","5","1") = "9"
    & skf18("8","9","1","10","7","6","1") = "9"
    & skf18("8","9","1","10","7","7","1") = "9"
    & skf18("8","9","1","10","7","8","1") = "9"
    & skf18("8","9","1","10","7","9","1") = "9"
    & skf18("8","9","1","10","7","10","1") = "9"
    & skf18("8","9","1","10","8","1","1") = "9"
    & skf18("8","9","1","10","8","2","1") = "9"
    & skf18("8","9","1","10","8","3","1") = "9"
    & skf18("8","9","1","10","8","4","1") = "9"
    & skf18("8","9","1","10","8","5","1") = "9"
    & skf18("8","9","1","10","8","6","1") = "9"
    & skf18("8","9","1","10","8","7","1") = "9"
    & skf18("8","9","1","10","8","8","1") = "9"
    & skf18("8","9","1","10","8","9","1") = "9"
    & skf18("8","9","1","10","8","10","1") = "9"
    & skf18("8","9","1","10","9","1","1") = "9"
    & skf18("8","9","1","10","9","2","1") = "9"
    & skf18("8","9","1","10","9","3","1") = "9"
    & skf18("8","9","1","10","9","4","1") = "9"
    & skf18("8","9","1","10","9","5","1") = "9"
    & skf18("8","9","1","10","9","6","1") = "9"
    & skf18("8","9","1","10","9","7","1") = "9"
    & skf18("8","9","1","10","9","8","1") = "9"
    & skf18("8","9","1","10","9","9","1") = "9"
    & skf18("8","9","1","10","9","10","1") = "9"
    & skf18("8","9","1","10","10","1","1") = "9"
    & skf18("8","9","1","10","10","2","1") = "9"
    & skf18("8","9","1","10","10","3","1") = "9"
    & skf18("8","9","1","10","10","4","1") = "9"
    & skf18("8","9","1","10","10","5","1") = "9"
    & skf18("8","9","1","10","10","6","1") = "9"
    & skf18("8","9","1","10","10","7","1") = "9"
    & skf18("8","9","1","10","10","8","1") = "9"
    & skf18("8","9","1","10","10","9","1") = "9"
    & skf18("8","9","1","10","10","10","1") = "9"
    & skf18("8","9","2","1","1","1","1") = "8"
    & skf18("8","9","2","1","1","2","1") = "8"
    & skf18("8","9","2","1","1","3","1") = "8"
    & skf18("8","9","2","1","1","4","1") = "8"
    & skf18("8","9","2","1","1","5","1") = "8"
    & skf18("8","9","2","1","1","6","1") = "8"
    & skf18("8","9","2","1","1","7","1") = "8"
    & skf18("8","9","2","1","1","8","1") = "8"
    & skf18("8","9","2","1","1","9","1") = "8"
    & skf18("8","9","2","1","1","10","1") = "9"
    & skf18("8","9","2","1","2","1","1") = "8"
    & skf18("8","9","2","1","2","2","1") = "8"
    & skf18("8","9","2","1","2","3","1") = "8"
    & skf18("8","9","2","1","2","4","1") = "8"
    & skf18("8","9","2","1","2","5","1") = "8"
    & skf18("8","9","2","1","2","6","1") = "8"
    & skf18("8","9","2","1","2","7","1") = "8"
    & skf18("8","9","2","1","2","8","1") = "8"
    & skf18("8","9","2","1","2","9","1") = "8"
    & skf18("8","9","2","1","2","10","1") = "9"
    & skf18("8","9","2","1","3","1","1") = "8"
    & skf18("8","9","2","1","3","2","1") = "8"
    & skf18("8","9","2","1","3","3","1") = "8"
    & skf18("8","9","2","1","3","4","1") = "8"
    & skf18("8","9","2","1","3","5","1") = "8"
    & skf18("8","9","2","1","3","6","1") = "8"
    & skf18("8","9","2","1","3","7","1") = "8"
    & skf18("8","9","2","1","3","8","1") = "8"
    & skf18("8","9","2","1","3","9","1") = "8"
    & skf18("8","9","2","1","3","10","1") = "9"
    & skf18("8","9","2","1","4","1","1") = "8"
    & skf18("8","9","2","1","4","2","1") = "8"
    & skf18("8","9","2","1","4","3","1") = "8"
    & skf18("8","9","2","1","4","4","1") = "8"
    & skf18("8","9","2","1","4","5","1") = "8"
    & skf18("8","9","2","1","4","6","1") = "8"
    & skf18("8","9","2","1","4","7","1") = "8"
    & skf18("8","9","2","1","4","8","1") = "8"
    & skf18("8","9","2","1","4","9","1") = "8"
    & skf18("8","9","2","1","4","10","1") = "9"
    & skf18("8","9","2","1","5","1","1") = "8"
    & skf18("8","9","2","1","5","2","1") = "8"
    & skf18("8","9","2","1","5","3","1") = "8"
    & skf18("8","9","2","1","5","4","1") = "8"
    & skf18("8","9","2","1","5","5","1") = "8"
    & skf18("8","9","2","1","5","6","1") = "8"
    & skf18("8","9","2","1","5","7","1") = "8"
    & skf18("8","9","2","1","5","8","1") = "8"
    & skf18("8","9","2","1","5","9","1") = "8"
    & skf18("8","9","2","1","5","10","1") = "9"
    & skf18("8","9","2","1","6","1","1") = "8"
    & skf18("8","9","2","1","6","2","1") = "8"
    & skf18("8","9","2","1","6","3","1") = "8"
    & skf18("8","9","2","1","6","4","1") = "8"
    & skf18("8","9","2","1","6","5","1") = "8"
    & skf18("8","9","2","1","6","6","1") = "8"
    & skf18("8","9","2","1","6","7","1") = "8"
    & skf18("8","9","2","1","6","8","1") = "8"
    & skf18("8","9","2","1","6","9","1") = "8"
    & skf18("8","9","2","1","6","10","1") = "9"
    & skf18("8","9","2","1","7","1","1") = "8"
    & skf18("8","9","2","1","7","2","1") = "8"
    & skf18("8","9","2","1","7","3","1") = "8"
    & skf18("8","9","2","1","7","4","1") = "8"
    & skf18("8","9","2","1","7","5","1") = "8"
    & skf18("8","9","2","1","7","6","1") = "8"
    & skf18("8","9","2","1","7","7","1") = "8"
    & skf18("8","9","2","1","7","8","1") = "8"
    & skf18("8","9","2","1","7","9","1") = "8"
    & skf18("8","9","2","1","7","10","1") = "9"
    & skf18("8","9","2","1","8","1","1") = "8"
    & skf18("8","9","2","1","8","2","1") = "8"
    & skf18("8","9","2","1","8","3","1") = "8"
    & skf18("8","9","2","1","8","4","1") = "8"
    & skf18("8","9","2","1","8","5","1") = "8"
    & skf18("8","9","2","1","8","6","1") = "8"
    & skf18("8","9","2","1","8","7","1") = "8"
    & skf18("8","9","2","1","8","8","1") = "8"
    & skf18("8","9","2","1","8","9","1") = "8"
    & skf18("8","9","2","1","8","10","1") = "9"
    & skf18("8","9","2","1","9","1","1") = "8"
    & skf18("8","9","2","1","9","2","1") = "8"
    & skf18("8","9","2","1","9","3","1") = "8"
    & skf18("8","9","2","1","9","4","1") = "8"
    & skf18("8","9","2","1","9","5","1") = "8"
    & skf18("8","9","2","1","9","6","1") = "8"
    & skf18("8","9","2","1","9","7","1") = "8"
    & skf18("8","9","2","1","9","8","1") = "8"
    & skf18("8","9","2","1","9","9","1") = "8"
    & skf18("8","9","2","1","9","10","1") = "9"
    & skf18("8","9","2","1","10","1","1") = "9"
    & skf18("8","9","2","1","10","2","1") = "9"
    & skf18("8","9","2","1","10","3","1") = "9"
    & skf18("8","9","2","1","10","4","1") = "9"
    & skf18("8","9","2","1","10","5","1") = "9"
    & skf18("8","9","2","1","10","6","1") = "9"
    & skf18("8","9","2","1","10","7","1") = "9"
    & skf18("8","9","2","1","10","8","1") = "9"
    & skf18("8","9","2","1","10","9","1") = "9"
    & skf18("8","9","2","1","10","10","1") = "9"
    & skf18("8","9","2","2","1","1","1") = "8"
    & skf18("8","9","2","2","1","2","1") = "8"
    & skf18("8","9","2","2","1","3","1") = "8"
    & skf18("8","9","2","2","1","4","1") = "8"
    & skf18("8","9","2","2","1","5","1") = "8"
    & skf18("8","9","2","2","1","6","1") = "8"
    & skf18("8","9","2","2","1","7","1") = "8"
    & skf18("8","9","2","2","1","8","1") = "8"
    & skf18("8","9","2","2","1","9","1") = "8"
    & skf18("8","9","2","2","1","10","1") = "9"
    & skf18("8","9","2","2","2","1","1") = "8"
    & skf18("8","9","2","2","2","2","1") = "8"
    & skf18("8","9","2","2","2","3","1") = "8"
    & skf18("8","9","2","2","2","4","1") = "8"
    & skf18("8","9","2","2","2","5","1") = "8"
    & skf18("8","9","2","2","2","6","1") = "8"
    & skf18("8","9","2","2","2","7","1") = "8"
    & skf18("8","9","2","2","2","8","1") = "8"
    & skf18("8","9","2","2","2","9","1") = "8"
    & skf18("8","9","2","2","2","10","1") = "9"
    & skf18("8","9","2","2","3","1","1") = "8"
    & skf18("8","9","2","2","3","2","1") = "8"
    & skf18("8","9","2","2","3","3","1") = "8"
    & skf18("8","9","2","2","3","4","1") = "8"
    & skf18("8","9","2","2","3","5","1") = "8"
    & skf18("8","9","2","2","3","6","1") = "8"
    & skf18("8","9","2","2","3","7","1") = "8"
    & skf18("8","9","2","2","3","8","1") = "8"
    & skf18("8","9","2","2","3","9","1") = "8"
    & skf18("8","9","2","2","3","10","1") = "9"
    & skf18("8","9","2","2","4","1","1") = "8"
    & skf18("8","9","2","2","4","2","1") = "8"
    & skf18("8","9","2","2","4","3","1") = "8"
    & skf18("8","9","2","2","4","4","1") = "8"
    & skf18("8","9","2","2","4","5","1") = "8"
    & skf18("8","9","2","2","4","6","1") = "8"
    & skf18("8","9","2","2","4","7","1") = "8"
    & skf18("8","9","2","2","4","8","1") = "8"
    & skf18("8","9","2","2","4","9","1") = "8"
    & skf18("8","9","2","2","4","10","1") = "9"
    & skf18("8","9","2","2","5","1","1") = "8"
    & skf18("8","9","2","2","5","2","1") = "8"
    & skf18("8","9","2","2","5","3","1") = "8"
    & skf18("8","9","2","2","5","4","1") = "8"
    & skf18("8","9","2","2","5","5","1") = "8"
    & skf18("8","9","2","2","5","6","1") = "8"
    & skf18("8","9","2","2","5","7","1") = "8"
    & skf18("8","9","2","2","5","8","1") = "8"
    & skf18("8","9","2","2","5","9","1") = "8"
    & skf18("8","9","2","2","5","10","1") = "9"
    & skf18("8","9","2","2","6","1","1") = "8"
    & skf18("8","9","2","2","6","2","1") = "8"
    & skf18("8","9","2","2","6","3","1") = "8"
    & skf18("8","9","2","2","6","4","1") = "8"
    & skf18("8","9","2","2","6","5","1") = "8"
    & skf18("8","9","2","2","6","6","1") = "8"
    & skf18("8","9","2","2","6","7","1") = "8"
    & skf18("8","9","2","2","6","8","1") = "8"
    & skf18("8","9","2","2","6","9","1") = "8"
    & skf18("8","9","2","2","6","10","1") = "9"
    & skf18("8","9","2","2","7","1","1") = "8"
    & skf18("8","9","2","2","7","2","1") = "8"
    & skf18("8","9","2","2","7","3","1") = "8"
    & skf18("8","9","2","2","7","4","1") = "8"
    & skf18("8","9","2","2","7","5","1") = "8"
    & skf18("8","9","2","2","7","6","1") = "8"
    & skf18("8","9","2","2","7","7","1") = "8"
    & skf18("8","9","2","2","7","8","1") = "8"
    & skf18("8","9","2","2","7","9","1") = "8"
    & skf18("8","9","2","2","7","10","1") = "9"
    & skf18("8","9","2","2","8","1","1") = "8"
    & skf18("8","9","2","2","8","2","1") = "8"
    & skf18("8","9","2","2","8","3","1") = "8"
    & skf18("8","9","2","2","8","4","1") = "8"
    & skf18("8","9","2","2","8","5","1") = "8"
    & skf18("8","9","2","2","8","6","1") = "8"
    & skf18("8","9","2","2","8","7","1") = "8"
    & skf18("8","9","2","2","8","8","1") = "8"
    & skf18("8","9","2","2","8","9","1") = "8"
    & skf18("8","9","2","2","8","10","1") = "9"
    & skf18("8","9","2","2","9","1","1") = "8"
    & skf18("8","9","2","2","9","2","1") = "8"
    & skf18("8","9","2","2","9","3","1") = "8"
    & skf18("8","9","2","2","9","4","1") = "8"
    & skf18("8","9","2","2","9","5","1") = "8"
    & skf18("8","9","2","2","9","6","1") = "8"
    & skf18("8","9","2","2","9","7","1") = "8"
    & skf18("8","9","2","2","9","8","1") = "8"
    & skf18("8","9","2","2","9","9","1") = "8"
    & skf18("8","9","2","2","9","10","1") = "9"
    & skf18("8","9","2","2","10","1","1") = "9"
    & skf18("8","9","2","2","10","2","1") = "9"
    & skf18("8","9","2","2","10","3","1") = "9"
    & skf18("8","9","2","2","10","4","1") = "9"
    & skf18("8","9","2","2","10","5","1") = "9"
    & skf18("8","9","2","2","10","6","1") = "9"
    & skf18("8","9","2","2","10","7","1") = "9"
    & skf18("8","9","2","2","10","8","1") = "9"
    & skf18("8","9","2","2","10","9","1") = "9"
    & skf18("8","9","2","2","10","10","1") = "9"
    & skf18("8","9","2","3","1","1","1") = "8"
    & skf18("8","9","2","3","1","2","1") = "8"
    & skf18("8","9","2","3","1","3","1") = "8"
    & skf18("8","9","2","3","1","4","1") = "8"
    & skf18("8","9","2","3","1","5","1") = "8"
    & skf18("8","9","2","3","1","6","1") = "8"
    & skf18("8","9","2","3","1","7","1") = "8"
    & skf18("8","9","2","3","1","8","1") = "8"
    & skf18("8","9","2","3","1","9","1") = "8"
    & skf18("8","9","2","3","1","10","1") = "9"
    & skf18("8","9","2","3","2","1","1") = "8"
    & skf18("8","9","2","3","2","2","1") = "8"
    & skf18("8","9","2","3","2","3","1") = "8"
    & skf18("8","9","2","3","2","4","1") = "8"
    & skf18("8","9","2","3","2","5","1") = "8"
    & skf18("8","9","2","3","2","6","1") = "8"
    & skf18("8","9","2","3","2","7","1") = "8"
    & skf18("8","9","2","3","2","8","1") = "8"
    & skf18("8","9","2","3","2","9","1") = "8"
    & skf18("8","9","2","3","2","10","1") = "9"
    & skf18("8","9","2","3","3","1","1") = "8"
    & skf18("8","9","2","3","3","2","1") = "8"
    & skf18("8","9","2","3","3","3","1") = "8"
    & skf18("8","9","2","3","3","4","1") = "8"
    & skf18("8","9","2","3","3","5","1") = "8"
    & skf18("8","9","2","3","3","6","1") = "8"
    & skf18("8","9","2","3","3","7","1") = "8"
    & skf18("8","9","2","3","3","8","1") = "8"
    & skf18("8","9","2","3","3","9","1") = "8"
    & skf18("8","9","2","3","3","10","1") = "9"
    & skf18("8","9","2","3","4","1","1") = "8"
    & skf18("8","9","2","3","4","2","1") = "8"
    & skf18("8","9","2","3","4","3","1") = "8"
    & skf18("8","9","2","3","4","4","1") = "8"
    & skf18("8","9","2","3","4","5","1") = "8"
    & skf18("8","9","2","3","4","6","1") = "8"
    & skf18("8","9","2","3","4","7","1") = "8"
    & skf18("8","9","2","3","4","8","1") = "8"
    & skf18("8","9","2","3","4","9","1") = "8"
    & skf18("8","9","2","3","4","10","1") = "9"
    & skf18("8","9","2","3","5","1","1") = "8"
    & skf18("8","9","2","3","5","2","1") = "8"
    & skf18("8","9","2","3","5","3","1") = "8"
    & skf18("8","9","2","3","5","4","1") = "8"
    & skf18("8","9","2","3","5","5","1") = "8"
    & skf18("8","9","2","3","5","6","1") = "8"
    & skf18("8","9","2","3","5","7","1") = "8"
    & skf18("8","9","2","3","5","8","1") = "8"
    & skf18("8","9","2","3","5","9","1") = "8"
    & skf18("8","9","2","3","5","10","1") = "9"
    & skf18("8","9","2","3","6","1","1") = "8"
    & skf18("8","9","2","3","6","2","1") = "8"
    & skf18("8","9","2","3","6","3","1") = "8"
    & skf18("8","9","2","3","6","4","1") = "8"
    & skf18("8","9","2","3","6","5","1") = "8"
    & skf18("8","9","2","3","6","6","1") = "8"
    & skf18("8","9","2","3","6","7","1") = "8"
    & skf18("8","9","2","3","6","8","1") = "8"
    & skf18("8","9","2","3","6","9","1") = "8"
    & skf18("8","9","2","3","6","10","1") = "9"
    & skf18("8","9","2","3","7","1","1") = "8"
    & skf18("8","9","2","3","7","2","1") = "8"
    & skf18("8","9","2","3","7","3","1") = "8"
    & skf18("8","9","2","3","7","4","1") = "8"
    & skf18("8","9","2","3","7","5","1") = "8"
    & skf18("8","9","2","3","7","6","1") = "8"
    & skf18("8","9","2","3","7","7","1") = "8"
    & skf18("8","9","2","3","7","8","1") = "8"
    & skf18("8","9","2","3","7","9","1") = "8"
    & skf18("8","9","2","3","7","10","1") = "9"
    & skf18("8","9","2","3","8","1","1") = "8"
    & skf18("8","9","2","3","8","2","1") = "8"
    & skf18("8","9","2","3","8","3","1") = "8"
    & skf18("8","9","2","3","8","4","1") = "8"
    & skf18("8","9","2","3","8","5","1") = "8"
    & skf18("8","9","2","3","8","6","1") = "8"
    & skf18("8","9","2","3","8","7","1") = "8"
    & skf18("8","9","2","3","8","8","1") = "8"
    & skf18("8","9","2","3","8","9","1") = "8"
    & skf18("8","9","2","3","8","10","1") = "9"
    & skf18("8","9","2","3","9","1","1") = "8"
    & skf18("8","9","2","3","9","2","1") = "8"
    & skf18("8","9","2","3","9","3","1") = "8"
    & skf18("8","9","2","3","9","4","1") = "8"
    & skf18("8","9","2","3","9","5","1") = "8"
    & skf18("8","9","2","3","9","6","1") = "8"
    & skf18("8","9","2","3","9","7","1") = "8"
    & skf18("8","9","2","3","9","8","1") = "8"
    & skf18("8","9","2","3","9","9","1") = "8"
    & skf18("8","9","2","3","9","10","1") = "9"
    & skf18("8","9","2","3","10","1","1") = "9"
    & skf18("8","9","2","3","10","2","1") = "9"
    & skf18("8","9","2","3","10","3","1") = "9"
    & skf18("8","9","2","3","10","4","1") = "9"
    & skf18("8","9","2","3","10","5","1") = "9"
    & skf18("8","9","2","3","10","6","1") = "9"
    & skf18("8","9","2","3","10","7","1") = "9"
    & skf18("8","9","2","3","10","8","1") = "9"
    & skf18("8","9","2","3","10","9","1") = "9"
    & skf18("8","9","2","3","10","10","1") = "9"
    & skf18("8","9","2","4","1","1","1") = "8"
    & skf18("8","9","2","4","1","2","1") = "8"
    & skf18("8","9","2","4","1","3","1") = "8"
    & skf18("8","9","2","4","1","4","1") = "8"
    & skf18("8","9","2","4","1","5","1") = "8"
    & skf18("8","9","2","4","1","6","1") = "8"
    & skf18("8","9","2","4","1","7","1") = "8"
    & skf18("8","9","2","4","1","8","1") = "8"
    & skf18("8","9","2","4","1","9","1") = "8"
    & skf18("8","9","2","4","1","10","1") = "9"
    & skf18("8","9","2","4","2","1","1") = "8"
    & skf18("8","9","2","4","2","2","1") = "8"
    & skf18("8","9","2","4","2","3","1") = "8"
    & skf18("8","9","2","4","2","4","1") = "8"
    & skf18("8","9","2","4","2","5","1") = "8"
    & skf18("8","9","2","4","2","6","1") = "8"
    & skf18("8","9","2","4","2","7","1") = "8"
    & skf18("8","9","2","4","2","8","1") = "8"
    & skf18("8","9","2","4","2","9","1") = "8"
    & skf18("8","9","2","4","2","10","1") = "9"
    & skf18("8","9","2","4","3","1","1") = "8"
    & skf18("8","9","2","4","3","2","1") = "8"
    & skf18("8","9","2","4","3","3","1") = "8"
    & skf18("8","9","2","4","3","4","1") = "8"
    & skf18("8","9","2","4","3","5","1") = "8"
    & skf18("8","9","2","4","3","6","1") = "8"
    & skf18("8","9","2","4","3","7","1") = "8"
    & skf18("8","9","2","4","3","8","1") = "8"
    & skf18("8","9","2","4","3","9","1") = "8"
    & skf18("8","9","2","4","3","10","1") = "9"
    & skf18("8","9","2","4","4","1","1") = "8"
    & skf18("8","9","2","4","4","2","1") = "8"
    & skf18("8","9","2","4","4","3","1") = "8"
    & skf18("8","9","2","4","4","4","1") = "8"
    & skf18("8","9","2","4","4","5","1") = "8"
    & skf18("8","9","2","4","4","6","1") = "8"
    & skf18("8","9","2","4","4","7","1") = "8"
    & skf18("8","9","2","4","4","8","1") = "8"
    & skf18("8","9","2","4","4","9","1") = "8"
    & skf18("8","9","2","4","4","10","1") = "9"
    & skf18("8","9","2","4","5","1","1") = "8"
    & skf18("8","9","2","4","5","2","1") = "8"
    & skf18("8","9","2","4","5","3","1") = "8"
    & skf18("8","9","2","4","5","4","1") = "8"
    & skf18("8","9","2","4","5","5","1") = "8"
    & skf18("8","9","2","4","5","6","1") = "8"
    & skf18("8","9","2","4","5","7","1") = "8"
    & skf18("8","9","2","4","5","8","1") = "8"
    & skf18("8","9","2","4","5","9","1") = "8"
    & skf18("8","9","2","4","5","10","1") = "9"
    & skf18("8","9","2","4","6","1","1") = "8"
    & skf18("8","9","2","4","6","2","1") = "8"
    & skf18("8","9","2","4","6","3","1") = "8"
    & skf18("8","9","2","4","6","4","1") = "8"
    & skf18("8","9","2","4","6","5","1") = "8"
    & skf18("8","9","2","4","6","6","1") = "8"
    & skf18("8","9","2","4","6","7","1") = "8"
    & skf18("8","9","2","4","6","8","1") = "8"
    & skf18("8","9","2","4","6","9","1") = "8"
    & skf18("8","9","2","4","6","10","1") = "9"
    & skf18("8","9","2","4","7","1","1") = "8"
    & skf18("8","9","2","4","7","2","1") = "8"
    & skf18("8","9","2","4","7","3","1") = "8"
    & skf18("8","9","2","4","7","4","1") = "8"
    & skf18("8","9","2","4","7","5","1") = "8"
    & skf18("8","9","2","4","7","6","1") = "8"
    & skf18("8","9","2","4","7","7","1") = "8"
    & skf18("8","9","2","4","7","8","1") = "8"
    & skf18("8","9","2","4","7","9","1") = "8"
    & skf18("8","9","2","4","7","10","1") = "9"
    & skf18("8","9","2","4","8","1","1") = "8"
    & skf18("8","9","2","4","8","2","1") = "8"
    & skf18("8","9","2","4","8","3","1") = "8"
    & skf18("8","9","2","4","8","4","1") = "8"
    & skf18("8","9","2","4","8","5","1") = "8"
    & skf18("8","9","2","4","8","6","1") = "8"
    & skf18("8","9","2","4","8","7","1") = "8"
    & skf18("8","9","2","4","8","8","1") = "8"
    & skf18("8","9","2","4","8","9","1") = "8"
    & skf18("8","9","2","4","8","10","1") = "9"
    & skf18("8","9","2","4","9","1","1") = "8"
    & skf18("8","9","2","4","9","2","1") = "8"
    & skf18("8","9","2","4","9","3","1") = "8"
    & skf18("8","9","2","4","9","4","1") = "8"
    & skf18("8","9","2","4","9","5","1") = "8"
    & skf18("8","9","2","4","9","6","1") = "8"
    & skf18("8","9","2","4","9","7","1") = "8"
    & skf18("8","9","2","4","9","8","1") = "8"
    & skf18("8","9","2","4","9","9","1") = "8"
    & skf18("8","9","2","4","9","10","1") = "9"
    & skf18("8","9","2","4","10","1","1") = "9"
    & skf18("8","9","2","4","10","2","1") = "9"
    & skf18("8","9","2","4","10","3","1") = "9"
    & skf18("8","9","2","4","10","4","1") = "9"
    & skf18("8","9","2","4","10","5","1") = "9"
    & skf18("8","9","2","4","10","6","1") = "9"
    & skf18("8","9","2","4","10","7","1") = "9"
    & skf18("8","9","2","4","10","8","1") = "9"
    & skf18("8","9","2","4","10","9","1") = "9"
    & skf18("8","9","2","4","10","10","1") = "9"
    & skf18("8","9","2","5","1","1","1") = "8"
    & skf18("8","9","2","5","1","2","1") = "8"
    & skf18("8","9","2","5","1","3","1") = "8"
    & skf18("8","9","2","5","1","4","1") = "8"
    & skf18("8","9","2","5","1","5","1") = "8"
    & skf18("8","9","2","5","1","6","1") = "8"
    & skf18("8","9","2","5","1","7","1") = "8"
    & skf18("8","9","2","5","1","8","1") = "8"
    & skf18("8","9","2","5","1","9","1") = "8"
    & skf18("8","9","2","5","1","10","1") = "9"
    & skf18("8","9","2","5","2","1","1") = "8"
    & skf18("8","9","2","5","2","2","1") = "8"
    & skf18("8","9","2","5","2","3","1") = "8"
    & skf18("8","9","2","5","2","4","1") = "8"
    & skf18("8","9","2","5","2","5","1") = "8"
    & skf18("8","9","2","5","2","6","1") = "8"
    & skf18("8","9","2","5","2","7","1") = "8"
    & skf18("8","9","2","5","2","8","1") = "8"
    & skf18("8","9","2","5","2","9","1") = "8"
    & skf18("8","9","2","5","2","10","1") = "9"
    & skf18("8","9","2","5","3","1","1") = "8"
    & skf18("8","9","2","5","3","2","1") = "8"
    & skf18("8","9","2","5","3","3","1") = "8"
    & skf18("8","9","2","5","3","4","1") = "8"
    & skf18("8","9","2","5","3","5","1") = "8"
    & skf18("8","9","2","5","3","6","1") = "8"
    & skf18("8","9","2","5","3","7","1") = "8"
    & skf18("8","9","2","5","3","8","1") = "8"
    & skf18("8","9","2","5","3","9","1") = "8"
    & skf18("8","9","2","5","3","10","1") = "9"
    & skf18("8","9","2","5","4","1","1") = "8"
    & skf18("8","9","2","5","4","2","1") = "8"
    & skf18("8","9","2","5","4","3","1") = "8"
    & skf18("8","9","2","5","4","4","1") = "8"
    & skf18("8","9","2","5","4","5","1") = "8"
    & skf18("8","9","2","5","4","6","1") = "8"
    & skf18("8","9","2","5","4","7","1") = "8"
    & skf18("8","9","2","5","4","8","1") = "8"
    & skf18("8","9","2","5","4","9","1") = "8"
    & skf18("8","9","2","5","4","10","1") = "9"
    & skf18("8","9","2","5","5","1","1") = "8"
    & skf18("8","9","2","5","5","2","1") = "8"
    & skf18("8","9","2","5","5","3","1") = "8"
    & skf18("8","9","2","5","5","4","1") = "8"
    & skf18("8","9","2","5","5","5","1") = "8"
    & skf18("8","9","2","5","5","6","1") = "8"
    & skf18("8","9","2","5","5","7","1") = "8"
    & skf18("8","9","2","5","5","8","1") = "8"
    & skf18("8","9","2","5","5","9","1") = "8"
    & skf18("8","9","2","5","5","10","1") = "9"
    & skf18("8","9","2","5","6","1","1") = "8"
    & skf18("8","9","2","5","6","2","1") = "8"
    & skf18("8","9","2","5","6","3","1") = "8"
    & skf18("8","9","2","5","6","4","1") = "8"
    & skf18("8","9","2","5","6","5","1") = "8"
    & skf18("8","9","2","5","6","6","1") = "8"
    & skf18("8","9","2","5","6","7","1") = "8"
    & skf18("8","9","2","5","6","8","1") = "8"
    & skf18("8","9","2","5","6","9","1") = "8"
    & skf18("8","9","2","5","6","10","1") = "9"
    & skf18("8","9","2","5","7","1","1") = "8"
    & skf18("8","9","2","5","7","2","1") = "8"
    & skf18("8","9","2","5","7","3","1") = "8"
    & skf18("8","9","2","5","7","4","1") = "8"
    & skf18("8","9","2","5","7","5","1") = "8"
    & skf18("8","9","2","5","7","6","1") = "8"
    & skf18("8","9","2","5","7","7","1") = "8"
    & skf18("8","9","2","5","7","8","1") = "8"
    & skf18("8","9","2","5","7","9","1") = "8"
    & skf18("8","9","2","5","7","10","1") = "9"
    & skf18("8","9","2","5","8","1","1") = "8"
    & skf18("8","9","2","5","8","2","1") = "8"
    & skf18("8","9","2","5","8","3","1") = "8"
    & skf18("8","9","2","5","8","4","1") = "8"
    & skf18("8","9","2","5","8","5","1") = "8"
    & skf18("8","9","2","5","8","6","1") = "8"
    & skf18("8","9","2","5","8","7","1") = "8"
    & skf18("8","9","2","5","8","8","1") = "8"
    & skf18("8","9","2","5","8","9","1") = "8"
    & skf18("8","9","2","5","8","10","1") = "9"
    & skf18("8","9","2","5","9","1","1") = "8"
    & skf18("8","9","2","5","9","2","1") = "8"
    & skf18("8","9","2","5","9","3","1") = "8"
    & skf18("8","9","2","5","9","4","1") = "8"
    & skf18("8","9","2","5","9","5","1") = "8"
    & skf18("8","9","2","5","9","6","1") = "8"
    & skf18("8","9","2","5","9","7","1") = "8"
    & skf18("8","9","2","5","9","8","1") = "8"
    & skf18("8","9","2","5","9","9","1") = "8"
    & skf18("8","9","2","5","9","10","1") = "9"
    & skf18("8","9","2","5","10","1","1") = "9"
    & skf18("8","9","2","5","10","2","1") = "9"
    & skf18("8","9","2","5","10","3","1") = "9"
    & skf18("8","9","2","5","10","4","1") = "9"
    & skf18("8","9","2","5","10","5","1") = "9"
    & skf18("8","9","2","5","10","6","1") = "9"
    & skf18("8","9","2","5","10","7","1") = "9"
    & skf18("8","9","2","5","10","8","1") = "9"
    & skf18("8","9","2","5","10","9","1") = "9"
    & skf18("8","9","2","5","10","10","1") = "9"
    & skf18("8","9","2","6","1","1","1") = "8"
    & skf18("8","9","2","6","1","2","1") = "8"
    & skf18("8","9","2","6","1","3","1") = "8"
    & skf18("8","9","2","6","1","4","1") = "8"
    & skf18("8","9","2","6","1","5","1") = "8"
    & skf18("8","9","2","6","1","6","1") = "8"
    & skf18("8","9","2","6","1","7","1") = "8"
    & skf18("8","9","2","6","1","8","1") = "8"
    & skf18("8","9","2","6","1","9","1") = "8"
    & skf18("8","9","2","6","1","10","1") = "9"
    & skf18("8","9","2","6","2","1","1") = "8"
    & skf18("8","9","2","6","2","2","1") = "8"
    & skf18("8","9","2","6","2","3","1") = "8"
    & skf18("8","9","2","6","2","4","1") = "8"
    & skf18("8","9","2","6","2","5","1") = "8"
    & skf18("8","9","2","6","2","6","1") = "8"
    & skf18("8","9","2","6","2","7","1") = "8"
    & skf18("8","9","2","6","2","8","1") = "8"
    & skf18("8","9","2","6","2","9","1") = "8"
    & skf18("8","9","2","6","2","10","1") = "9"
    & skf18("8","9","2","6","3","1","1") = "8"
    & skf18("8","9","2","6","3","2","1") = "8"
    & skf18("8","9","2","6","3","3","1") = "8"
    & skf18("8","9","2","6","3","4","1") = "8"
    & skf18("8","9","2","6","3","5","1") = "8"
    & skf18("8","9","2","6","3","6","1") = "8"
    & skf18("8","9","2","6","3","7","1") = "8"
    & skf18("8","9","2","6","3","8","1") = "8"
    & skf18("8","9","2","6","3","9","1") = "8"
    & skf18("8","9","2","6","3","10","1") = "9"
    & skf18("8","9","2","6","4","1","1") = "8"
    & skf18("8","9","2","6","4","2","1") = "8"
    & skf18("8","9","2","6","4","3","1") = "8"
    & skf18("8","9","2","6","4","4","1") = "8"
    & skf18("8","9","2","6","4","5","1") = "8"
    & skf18("8","9","2","6","4","6","1") = "8"
    & skf18("8","9","2","6","4","7","1") = "8"
    & skf18("8","9","2","6","4","8","1") = "8"
    & skf18("8","9","2","6","4","9","1") = "8"
    & skf18("8","9","2","6","4","10","1") = "9"
    & skf18("8","9","2","6","5","1","1") = "8"
    & skf18("8","9","2","6","5","2","1") = "8"
    & skf18("8","9","2","6","5","3","1") = "8"
    & skf18("8","9","2","6","5","4","1") = "8"
    & skf18("8","9","2","6","5","5","1") = "8"
    & skf18("8","9","2","6","5","6","1") = "8"
    & skf18("8","9","2","6","5","7","1") = "8"
    & skf18("8","9","2","6","5","8","1") = "8"
    & skf18("8","9","2","6","5","9","1") = "8"
    & skf18("8","9","2","6","5","10","1") = "9"
    & skf18("8","9","2","6","6","1","1") = "8"
    & skf18("8","9","2","6","6","2","1") = "8"
    & skf18("8","9","2","6","6","3","1") = "8"
    & skf18("8","9","2","6","6","4","1") = "8"
    & skf18("8","9","2","6","6","5","1") = "8"
    & skf18("8","9","2","6","6","6","1") = "8"
    & skf18("8","9","2","6","6","7","1") = "8"
    & skf18("8","9","2","6","6","8","1") = "8"
    & skf18("8","9","2","6","6","9","1") = "8"
    & skf18("8","9","2","6","6","10","1") = "9"
    & skf18("8","9","2","6","7","1","1") = "8"
    & skf18("8","9","2","6","7","2","1") = "8"
    & skf18("8","9","2","6","7","3","1") = "8"
    & skf18("8","9","2","6","7","4","1") = "8"
    & skf18("8","9","2","6","7","5","1") = "8"
    & skf18("8","9","2","6","7","6","1") = "8"
    & skf18("8","9","2","6","7","7","1") = "8"
    & skf18("8","9","2","6","7","8","1") = "8"
    & skf18("8","9","2","6","7","9","1") = "8"
    & skf18("8","9","2","6","7","10","1") = "9"
    & skf18("8","9","2","6","8","1","1") = "8"
    & skf18("8","9","2","6","8","2","1") = "8"
    & skf18("8","9","2","6","8","3","1") = "8"
    & skf18("8","9","2","6","8","4","1") = "8"
    & skf18("8","9","2","6","8","5","1") = "8"
    & skf18("8","9","2","6","8","6","1") = "8"
    & skf18("8","9","2","6","8","7","1") = "8"
    & skf18("8","9","2","6","8","8","1") = "8"
    & skf18("8","9","2","6","8","9","1") = "8"
    & skf18("8","9","2","6","8","10","1") = "9"
    & skf18("8","9","2","6","9","1","1") = "8"
    & skf18("8","9","2","6","9","2","1") = "8"
    & skf18("8","9","2","6","9","3","1") = "8"
    & skf18("8","9","2","6","9","4","1") = "8"
    & skf18("8","9","2","6","9","5","1") = "8"
    & skf18("8","9","2","6","9","6","1") = "8"
    & skf18("8","9","2","6","9","7","1") = "8"
    & skf18("8","9","2","6","9","8","1") = "8"
    & skf18("8","9","2","6","9","9","1") = "8"
    & skf18("8","9","2","6","9","10","1") = "9"
    & skf18("8","9","2","6","10","1","1") = "9"
    & skf18("8","9","2","6","10","2","1") = "9"
    & skf18("8","9","2","6","10","3","1") = "9"
    & skf18("8","9","2","6","10","4","1") = "9"
    & skf18("8","9","2","6","10","5","1") = "9"
    & skf18("8","9","2","6","10","6","1") = "9"
    & skf18("8","9","2","6","10","7","1") = "9"
    & skf18("8","9","2","6","10","8","1") = "9"
    & skf18("8","9","2","6","10","9","1") = "9"
    & skf18("8","9","2","6","10","10","1") = "9"
    & skf18("8","9","2","7","1","1","1") = "8"
    & skf18("8","9","2","7","1","2","1") = "8"
    & skf18("8","9","2","7","1","3","1") = "8"
    & skf18("8","9","2","7","1","4","1") = "8"
    & skf18("8","9","2","7","1","5","1") = "8"
    & skf18("8","9","2","7","1","6","1") = "8"
    & skf18("8","9","2","7","1","7","1") = "8"
    & skf18("8","9","2","7","1","8","1") = "8"
    & skf18("8","9","2","7","1","9","1") = "8"
    & skf18("8","9","2","7","1","10","1") = "9"
    & skf18("8","9","2","7","2","1","1") = "8"
    & skf18("8","9","2","7","2","2","1") = "8"
    & skf18("8","9","2","7","2","3","1") = "8"
    & skf18("8","9","2","7","2","4","1") = "8"
    & skf18("8","9","2","7","2","5","1") = "8"
    & skf18("8","9","2","7","2","6","1") = "8"
    & skf18("8","9","2","7","2","7","1") = "8"
    & skf18("8","9","2","7","2","8","1") = "8"
    & skf18("8","9","2","7","2","9","1") = "8"
    & skf18("8","9","2","7","2","10","1") = "9"
    & skf18("8","9","2","7","3","1","1") = "8"
    & skf18("8","9","2","7","3","2","1") = "8"
    & skf18("8","9","2","7","3","3","1") = "8"
    & skf18("8","9","2","7","3","4","1") = "8"
    & skf18("8","9","2","7","3","5","1") = "8"
    & skf18("8","9","2","7","3","6","1") = "8"
    & skf18("8","9","2","7","3","7","1") = "8"
    & skf18("8","9","2","7","3","8","1") = "8"
    & skf18("8","9","2","7","3","9","1") = "8"
    & skf18("8","9","2","7","3","10","1") = "9"
    & skf18("8","9","2","7","4","1","1") = "8"
    & skf18("8","9","2","7","4","2","1") = "8"
    & skf18("8","9","2","7","4","3","1") = "8"
    & skf18("8","9","2","7","4","4","1") = "8"
    & skf18("8","9","2","7","4","5","1") = "8"
    & skf18("8","9","2","7","4","6","1") = "8"
    & skf18("8","9","2","7","4","7","1") = "8"
    & skf18("8","9","2","7","4","8","1") = "8"
    & skf18("8","9","2","7","4","9","1") = "8"
    & skf18("8","9","2","7","4","10","1") = "9"
    & skf18("8","9","2","7","5","1","1") = "8"
    & skf18("8","9","2","7","5","2","1") = "8"
    & skf18("8","9","2","7","5","3","1") = "8"
    & skf18("8","9","2","7","5","4","1") = "8"
    & skf18("8","9","2","7","5","5","1") = "8"
    & skf18("8","9","2","7","5","6","1") = "8"
    & skf18("8","9","2","7","5","7","1") = "8"
    & skf18("8","9","2","7","5","8","1") = "8"
    & skf18("8","9","2","7","5","9","1") = "8"
    & skf18("8","9","2","7","5","10","1") = "9"
    & skf18("8","9","2","7","6","1","1") = "8"
    & skf18("8","9","2","7","6","2","1") = "8"
    & skf18("8","9","2","7","6","3","1") = "8"
    & skf18("8","9","2","7","6","4","1") = "8"
    & skf18("8","9","2","7","6","5","1") = "8"
    & skf18("8","9","2","7","6","6","1") = "8"
    & skf18("8","9","2","7","6","7","1") = "8"
    & skf18("8","9","2","7","6","8","1") = "8"
    & skf18("8","9","2","7","6","9","1") = "8"
    & skf18("8","9","2","7","6","10","1") = "9"
    & skf18("8","9","2","7","7","1","1") = "8"
    & skf18("8","9","2","7","7","2","1") = "8"
    & skf18("8","9","2","7","7","3","1") = "8"
    & skf18("8","9","2","7","7","4","1") = "8"
    & skf18("8","9","2","7","7","5","1") = "8"
    & skf18("8","9","2","7","7","6","1") = "8"
    & skf18("8","9","2","7","7","7","1") = "8"
    & skf18("8","9","2","7","7","8","1") = "8"
    & skf18("8","9","2","7","7","9","1") = "8"
    & skf18("8","9","2","7","7","10","1") = "9"
    & skf18("8","9","2","7","8","1","1") = "8"
    & skf18("8","9","2","7","8","2","1") = "8"
    & skf18("8","9","2","7","8","3","1") = "8"
    & skf18("8","9","2","7","8","4","1") = "8"
    & skf18("8","9","2","7","8","5","1") = "8"
    & skf18("8","9","2","7","8","6","1") = "8"
    & skf18("8","9","2","7","8","7","1") = "8"
    & skf18("8","9","2","7","8","8","1") = "8"
    & skf18("8","9","2","7","8","9","1") = "8"
    & skf18("8","9","2","7","8","10","1") = "9"
    & skf18("8","9","2","7","9","1","1") = "8"
    & skf18("8","9","2","7","9","2","1") = "8"
    & skf18("8","9","2","7","9","3","1") = "8"
    & skf18("8","9","2","7","9","4","1") = "8"
    & skf18("8","9","2","7","9","5","1") = "8"
    & skf18("8","9","2","7","9","6","1") = "8"
    & skf18("8","9","2","7","9","7","1") = "8"
    & skf18("8","9","2","7","9","8","1") = "8"
    & skf18("8","9","2","7","9","9","1") = "8"
    & skf18("8","9","2","7","9","10","1") = "9"
    & skf18("8","9","2","7","10","1","1") = "9"
    & skf18("8","9","2","7","10","2","1") = "9"
    & skf18("8","9","2","7","10","3","1") = "9"
    & skf18("8","9","2","7","10","4","1") = "9"
    & skf18("8","9","2","7","10","5","1") = "9"
    & skf18("8","9","2","7","10","6","1") = "9"
    & skf18("8","9","2","7","10","7","1") = "9"
    & skf18("8","9","2","7","10","8","1") = "9"
    & skf18("8","9","2","7","10","9","1") = "9"
    & skf18("8","9","2","7","10","10","1") = "9"
    & skf18("8","9","2","8","1","1","1") = "8"
    & skf18("8","9","2","8","1","2","1") = "8"
    & skf18("8","9","2","8","1","3","1") = "8"
    & skf18("8","9","2","8","1","4","1") = "8"
    & skf18("8","9","2","8","1","5","1") = "8"
    & skf18("8","9","2","8","1","6","1") = "8"
    & skf18("8","9","2","8","1","7","1") = "8"
    & skf18("8","9","2","8","1","8","1") = "8"
    & skf18("8","9","2","8","1","9","1") = "8"
    & skf18("8","9","2","8","1","10","1") = "9"
    & skf18("8","9","2","8","2","1","1") = "8"
    & skf18("8","9","2","8","2","2","1") = "8"
    & skf18("8","9","2","8","2","3","1") = "8"
    & skf18("8","9","2","8","2","4","1") = "8"
    & skf18("8","9","2","8","2","5","1") = "8"
    & skf18("8","9","2","8","2","6","1") = "8"
    & skf18("8","9","2","8","2","7","1") = "8"
    & skf18("8","9","2","8","2","8","1") = "8"
    & skf18("8","9","2","8","2","9","1") = "8"
    & skf18("8","9","2","8","2","10","1") = "9"
    & skf18("8","9","2","8","3","1","1") = "8"
    & skf18("8","9","2","8","3","2","1") = "8"
    & skf18("8","9","2","8","3","3","1") = "8"
    & skf18("8","9","2","8","3","4","1") = "8"
    & skf18("8","9","2","8","3","5","1") = "8"
    & skf18("8","9","2","8","3","6","1") = "8"
    & skf18("8","9","2","8","3","7","1") = "8"
    & skf18("8","9","2","8","3","8","1") = "8"
    & skf18("8","9","2","8","3","9","1") = "8"
    & skf18("8","9","2","8","3","10","1") = "9"
    & skf18("8","9","2","8","4","1","1") = "8"
    & skf18("8","9","2","8","4","2","1") = "8"
    & skf18("8","9","2","8","4","3","1") = "8"
    & skf18("8","9","2","8","4","4","1") = "8"
    & skf18("8","9","2","8","4","5","1") = "8"
    & skf18("8","9","2","8","4","6","1") = "8"
    & skf18("8","9","2","8","4","7","1") = "8"
    & skf18("8","9","2","8","4","8","1") = "8"
    & skf18("8","9","2","8","4","9","1") = "8"
    & skf18("8","9","2","8","4","10","1") = "9"
    & skf18("8","9","2","8","5","1","1") = "8"
    & skf18("8","9","2","8","5","2","1") = "8"
    & skf18("8","9","2","8","5","3","1") = "8"
    & skf18("8","9","2","8","5","4","1") = "8"
    & skf18("8","9","2","8","5","5","1") = "8"
    & skf18("8","9","2","8","5","6","1") = "8"
    & skf18("8","9","2","8","5","7","1") = "8"
    & skf18("8","9","2","8","5","8","1") = "8"
    & skf18("8","9","2","8","5","9","1") = "8"
    & skf18("8","9","2","8","5","10","1") = "9"
    & skf18("8","9","2","8","6","1","1") = "8"
    & skf18("8","9","2","8","6","2","1") = "8"
    & skf18("8","9","2","8","6","3","1") = "8"
    & skf18("8","9","2","8","6","4","1") = "8"
    & skf18("8","9","2","8","6","5","1") = "8"
    & skf18("8","9","2","8","6","6","1") = "8"
    & skf18("8","9","2","8","6","7","1") = "8"
    & skf18("8","9","2","8","6","8","1") = "8"
    & skf18("8","9","2","8","6","9","1") = "8"
    & skf18("8","9","2","8","6","10","1") = "9"
    & skf18("8","9","2","8","7","1","1") = "8"
    & skf18("8","9","2","8","7","2","1") = "8"
    & skf18("8","9","2","8","7","3","1") = "8"
    & skf18("8","9","2","8","7","4","1") = "8"
    & skf18("8","9","2","8","7","5","1") = "8"
    & skf18("8","9","2","8","7","6","1") = "8"
    & skf18("8","9","2","8","7","7","1") = "8"
    & skf18("8","9","2","8","7","8","1") = "8"
    & skf18("8","9","2","8","7","9","1") = "8"
    & skf18("8","9","2","8","7","10","1") = "9"
    & skf18("8","9","2","8","8","1","1") = "8"
    & skf18("8","9","2","8","8","2","1") = "8"
    & skf18("8","9","2","8","8","3","1") = "8"
    & skf18("8","9","2","8","8","4","1") = "8"
    & skf18("8","9","2","8","8","5","1") = "8"
    & skf18("8","9","2","8","8","6","1") = "8"
    & skf18("8","9","2","8","8","7","1") = "8"
    & skf18("8","9","2","8","8","8","1") = "8"
    & skf18("8","9","2","8","8","9","1") = "8"
    & skf18("8","9","2","8","8","10","1") = "9"
    & skf18("8","9","2","8","9","1","1") = "8"
    & skf18("8","9","2","8","9","2","1") = "8"
    & skf18("8","9","2","8","9","3","1") = "8"
    & skf18("8","9","2","8","9","4","1") = "8"
    & skf18("8","9","2","8","9","5","1") = "8"
    & skf18("8","9","2","8","9","6","1") = "8"
    & skf18("8","9","2","8","9","7","1") = "8"
    & skf18("8","9","2","8","9","8","1") = "8"
    & skf18("8","9","2","8","9","9","1") = "8"
    & skf18("8","9","2","8","9","10","1") = "9"
    & skf18("8","9","2","8","10","1","1") = "9"
    & skf18("8","9","2","8","10","2","1") = "9"
    & skf18("8","9","2","8","10","3","1") = "9"
    & skf18("8","9","2","8","10","4","1") = "9"
    & skf18("8","9","2","8","10","5","1") = "9"
    & skf18("8","9","2","8","10","6","1") = "9"
    & skf18("8","9","2","8","10","7","1") = "9"
    & skf18("8","9","2","8","10","8","1") = "9"
    & skf18("8","9","2","8","10","9","1") = "9"
    & skf18("8","9","2","8","10","10","1") = "9"
    & skf18("8","9","2","9","1","1","1") = "8"
    & skf18("8","9","2","9","1","2","1") = "8"
    & skf18("8","9","2","9","1","3","1") = "8"
    & skf18("8","9","2","9","1","4","1") = "8"
    & skf18("8","9","2","9","1","5","1") = "8"
    & skf18("8","9","2","9","1","6","1") = "8"
    & skf18("8","9","2","9","1","7","1") = "8"
    & skf18("8","9","2","9","1","8","1") = "8"
    & skf18("8","9","2","9","1","9","1") = "8"
    & skf18("8","9","2","9","1","10","1") = "9"
    & skf18("8","9","2","9","2","1","1") = "8"
    & skf18("8","9","2","9","2","2","1") = "8"
    & skf18("8","9","2","9","2","3","1") = "8"
    & skf18("8","9","2","9","2","4","1") = "8"
    & skf18("8","9","2","9","2","5","1") = "8"
    & skf18("8","9","2","9","2","6","1") = "8"
    & skf18("8","9","2","9","2","7","1") = "8"
    & skf18("8","9","2","9","2","8","1") = "8"
    & skf18("8","9","2","9","2","9","1") = "8"
    & skf18("8","9","2","9","2","10","1") = "9"
    & skf18("8","9","2","9","3","1","1") = "8"
    & skf18("8","9","2","9","3","2","1") = "8"
    & skf18("8","9","2","9","3","3","1") = "8"
    & skf18("8","9","2","9","3","4","1") = "8"
    & skf18("8","9","2","9","3","5","1") = "8"
    & skf18("8","9","2","9","3","6","1") = "8"
    & skf18("8","9","2","9","3","7","1") = "8"
    & skf18("8","9","2","9","3","8","1") = "8"
    & skf18("8","9","2","9","3","9","1") = "8"
    & skf18("8","9","2","9","3","10","1") = "9"
    & skf18("8","9","2","9","4","1","1") = "8"
    & skf18("8","9","2","9","4","2","1") = "8"
    & skf18("8","9","2","9","4","3","1") = "8"
    & skf18("8","9","2","9","4","4","1") = "8"
    & skf18("8","9","2","9","4","5","1") = "8"
    & skf18("8","9","2","9","4","6","1") = "8"
    & skf18("8","9","2","9","4","7","1") = "8"
    & skf18("8","9","2","9","4","8","1") = "8"
    & skf18("8","9","2","9","4","9","1") = "8"
    & skf18("8","9","2","9","4","10","1") = "9"
    & skf18("8","9","2","9","5","1","1") = "8"
    & skf18("8","9","2","9","5","2","1") = "8"
    & skf18("8","9","2","9","5","3","1") = "8"
    & skf18("8","9","2","9","5","4","1") = "8"
    & skf18("8","9","2","9","5","5","1") = "8"
    & skf18("8","9","2","9","5","6","1") = "8"
    & skf18("8","9","2","9","5","7","1") = "8"
    & skf18("8","9","2","9","5","8","1") = "8"
    & skf18("8","9","2","9","5","9","1") = "8"
    & skf18("8","9","2","9","5","10","1") = "9"
    & skf18("8","9","2","9","6","1","1") = "8"
    & skf18("8","9","2","9","6","2","1") = "8"
    & skf18("8","9","2","9","6","3","1") = "8"
    & skf18("8","9","2","9","6","4","1") = "8"
    & skf18("8","9","2","9","6","5","1") = "8"
    & skf18("8","9","2","9","6","6","1") = "8"
    & skf18("8","9","2","9","6","7","1") = "8"
    & skf18("8","9","2","9","6","8","1") = "8"
    & skf18("8","9","2","9","6","9","1") = "8"
    & skf18("8","9","2","9","6","10","1") = "9"
    & skf18("8","9","2","9","7","1","1") = "8"
    & skf18("8","9","2","9","7","2","1") = "8"
    & skf18("8","9","2","9","7","3","1") = "8"
    & skf18("8","9","2","9","7","4","1") = "8"
    & skf18("8","9","2","9","7","5","1") = "8"
    & skf18("8","9","2","9","7","6","1") = "8"
    & skf18("8","9","2","9","7","7","1") = "8"
    & skf18("8","9","2","9","7","8","1") = "8"
    & skf18("8","9","2","9","7","9","1") = "8"
    & skf18("8","9","2","9","7","10","1") = "9"
    & skf18("8","9","2","9","8","1","1") = "8"
    & skf18("8","9","2","9","8","2","1") = "8"
    & skf18("8","9","2","9","8","3","1") = "8"
    & skf18("8","9","2","9","8","4","1") = "8"
    & skf18("8","9","2","9","8","5","1") = "8"
    & skf18("8","9","2","9","8","6","1") = "8"
    & skf18("8","9","2","9","8","7","1") = "8"
    & skf18("8","9","2","9","8","8","1") = "8"
    & skf18("8","9","2","9","8","9","1") = "8"
    & skf18("8","9","2","9","8","10","1") = "9"
    & skf18("8","9","2","9","9","1","1") = "8"
    & skf18("8","9","2","9","9","2","1") = "8"
    & skf18("8","9","2","9","9","3","1") = "8"
    & skf18("8","9","2","9","9","4","1") = "8"
    & skf18("8","9","2","9","9","5","1") = "8"
    & skf18("8","9","2","9","9","6","1") = "8"
    & skf18("8","9","2","9","9","7","1") = "8"
    & skf18("8","9","2","9","9","8","1") = "8"
    & skf18("8","9","2","9","9","9","1") = "8"
    & skf18("8","9","2","9","9","10","1") = "9"
    & skf18("8","9","2","9","10","1","1") = "9"
    & skf18("8","9","2","9","10","2","1") = "9"
    & skf18("8","9","2","9","10","3","1") = "9"
    & skf18("8","9","2","9","10","4","1") = "9"
    & skf18("8","9","2","9","10","5","1") = "9"
    & skf18("8","9","2","9","10","6","1") = "9"
    & skf18("8","9","2","9","10","7","1") = "9"
    & skf18("8","9","2","9","10","8","1") = "9"
    & skf18("8","9","2","9","10","9","1") = "9"
    & skf18("8","9","2","9","10","10","1") = "9"
    & skf18("8","9","2","10","1","1","1") = "9"
    & skf18("8","9","2","10","1","2","1") = "9"
    & skf18("8","9","2","10","1","3","1") = "9"
    & skf18("8","9","2","10","1","4","1") = "9"
    & skf18("8","9","2","10","1","5","1") = "9"
    & skf18("8","9","2","10","1","6","1") = "9"
    & skf18("8","9","2","10","1","7","1") = "9"
    & skf18("8","9","2","10","1","8","1") = "9"
    & skf18("8","9","2","10","1","9","1") = "9"
    & skf18("8","9","2","10","1","10","1") = "9"
    & skf18("8","9","2","10","2","1","1") = "9"
    & skf18("8","9","2","10","2","2","1") = "9"
    & skf18("8","9","2","10","2","3","1") = "9"
    & skf18("8","9","2","10","2","4","1") = "9"
    & skf18("8","9","2","10","2","5","1") = "9"
    & skf18("8","9","2","10","2","6","1") = "9"
    & skf18("8","9","2","10","2","7","1") = "9"
    & skf18("8","9","2","10","2","8","1") = "9"
    & skf18("8","9","2","10","2","9","1") = "9"
    & skf18("8","9","2","10","2","10","1") = "9"
    & skf18("8","9","2","10","3","1","1") = "9"
    & skf18("8","9","2","10","3","2","1") = "9"
    & skf18("8","9","2","10","3","3","1") = "9"
    & skf18("8","9","2","10","3","4","1") = "9"
    & skf18("8","9","2","10","3","5","1") = "9"
    & skf18("8","9","2","10","3","6","1") = "9"
    & skf18("8","9","2","10","3","7","1") = "9"
    & skf18("8","9","2","10","3","8","1") = "9"
    & skf18("8","9","2","10","3","9","1") = "9"
    & skf18("8","9","2","10","3","10","1") = "9"
    & skf18("8","9","2","10","4","1","1") = "9"
    & skf18("8","9","2","10","4","2","1") = "9"
    & skf18("8","9","2","10","4","3","1") = "9"
    & skf18("8","9","2","10","4","4","1") = "9"
    & skf18("8","9","2","10","4","5","1") = "9"
    & skf18("8","9","2","10","4","6","1") = "9"
    & skf18("8","9","2","10","4","7","1") = "9"
    & skf18("8","9","2","10","4","8","1") = "9"
    & skf18("8","9","2","10","4","9","1") = "9"
    & skf18("8","9","2","10","4","10","1") = "9"
    & skf18("8","9","2","10","5","1","1") = "9"
    & skf18("8","9","2","10","5","2","1") = "9"
    & skf18("8","9","2","10","5","3","1") = "9"
    & skf18("8","9","2","10","5","4","1") = "9"
    & skf18("8","9","2","10","5","5","1") = "9"
    & skf18("8","9","2","10","5","6","1") = "9"
    & skf18("8","9","2","10","5","7","1") = "9"
    & skf18("8","9","2","10","5","8","1") = "9"
    & skf18("8","9","2","10","5","9","1") = "9"
    & skf18("8","9","2","10","5","10","1") = "9"
    & skf18("8","9","2","10","6","1","1") = "9"
    & skf18("8","9","2","10","6","2","1") = "9"
    & skf18("8","9","2","10","6","3","1") = "9"
    & skf18("8","9","2","10","6","4","1") = "9"
    & skf18("8","9","2","10","6","5","1") = "9"
    & skf18("8","9","2","10","6","6","1") = "9"
    & skf18("8","9","2","10","6","7","1") = "9"
    & skf18("8","9","2","10","6","8","1") = "9"
    & skf18("8","9","2","10","6","9","1") = "9"
    & skf18("8","9","2","10","6","10","1") = "9"
    & skf18("8","9","2","10","7","1","1") = "9"
    & skf18("8","9","2","10","7","2","1") = "9"
    & skf18("8","9","2","10","7","3","1") = "9"
    & skf18("8","9","2","10","7","4","1") = "9"
    & skf18("8","9","2","10","7","5","1") = "9"
    & skf18("8","9","2","10","7","6","1") = "9"
    & skf18("8","9","2","10","7","7","1") = "9"
    & skf18("8","9","2","10","7","8","1") = "9"
    & skf18("8","9","2","10","7","9","1") = "9"
    & skf18("8","9","2","10","7","10","1") = "9"
    & skf18("8","9","2","10","8","1","1") = "9"
    & skf18("8","9","2","10","8","2","1") = "9"
    & skf18("8","9","2","10","8","3","1") = "9"
    & skf18("8","9","2","10","8","4","1") = "9"
    & skf18("8","9","2","10","8","5","1") = "9"
    & skf18("8","9","2","10","8","6","1") = "9"
    & skf18("8","9","2","10","8","7","1") = "9"
    & skf18("8","9","2","10","8","8","1") = "9"
    & skf18("8","9","2","10","8","9","1") = "9"
    & skf18("8","9","2","10","8","10","1") = "9"
    & skf18("8","9","2","10","9","1","1") = "9"
    & skf18("8","9","2","10","9","2","1") = "9"
    & skf18("8","9","2","10","9","3","1") = "9"
    & skf18("8","9","2","10","9","4","1") = "9"
    & skf18("8","9","2","10","9","5","1") = "9"
    & skf18("8","9","2","10","9","6","1") = "9"
    & skf18("8","9","2","10","9","7","1") = "9"
    & skf18("8","9","2","10","9","8","1") = "9"
    & skf18("8","9","2","10","9","9","1") = "9"
    & skf18("8","9","2","10","9","10","1") = "9"
    & skf18("8","9","2","10","10","1","1") = "9"
    & skf18("8","9","2","10","10","2","1") = "9"
    & skf18("8","9","2","10","10","3","1") = "9"
    & skf18("8","9","2","10","10","4","1") = "9"
    & skf18("8","9","2","10","10","5","1") = "9"
    & skf18("8","9","2","10","10","6","1") = "9"
    & skf18("8","9","2","10","10","7","1") = "9"
    & skf18("8","9","2","10","10","8","1") = "9"
    & skf18("8","9","2","10","10","9","1") = "9"
    & skf18("8","9","2","10","10","10","1") = "9"
    & skf18("8","9","3","1","1","1","1") = "8"
    & skf18("8","9","3","1","1","2","1") = "8"
    & skf18("8","9","3","1","1","3","1") = "8"
    & skf18("8","9","3","1","1","4","1") = "8"
    & skf18("8","9","3","1","1","5","1") = "8"
    & skf18("8","9","3","1","1","6","1") = "8"
    & skf18("8","9","3","1","1","7","1") = "8"
    & skf18("8","9","3","1","1","8","1") = "8"
    & skf18("8","9","3","1","1","9","1") = "8"
    & skf18("8","9","3","1","1","10","1") = "9"
    & skf18("8","9","3","1","2","1","1") = "8"
    & skf18("8","9","3","1","2","2","1") = "8"
    & skf18("8","9","3","1","2","3","1") = "8"
    & skf18("8","9","3","1","2","4","1") = "8"
    & skf18("8","9","3","1","2","5","1") = "8"
    & skf18("8","9","3","1","2","6","1") = "8"
    & skf18("8","9","3","1","2","7","1") = "8"
    & skf18("8","9","3","1","2","8","1") = "8"
    & skf18("8","9","3","1","2","9","1") = "8"
    & skf18("8","9","3","1","2","10","1") = "9"
    & skf18("8","9","3","1","3","1","1") = "8"
    & skf18("8","9","3","1","3","2","1") = "8"
    & skf18("8","9","3","1","3","3","1") = "8"
    & skf18("8","9","3","1","3","4","1") = "8"
    & skf18("8","9","3","1","3","5","1") = "8"
    & skf18("8","9","3","1","3","6","1") = "8"
    & skf18("8","9","3","1","3","7","1") = "8"
    & skf18("8","9","3","1","3","8","1") = "8"
    & skf18("8","9","3","1","3","9","1") = "8"
    & skf18("8","9","3","1","3","10","1") = "9"
    & skf18("8","9","3","1","4","1","1") = "8"
    & skf18("8","9","3","1","4","2","1") = "8"
    & skf18("8","9","3","1","4","3","1") = "8"
    & skf18("8","9","3","1","4","4","1") = "8"
    & skf18("8","9","3","1","4","5","1") = "8"
    & skf18("8","9","3","1","4","6","1") = "8"
    & skf18("8","9","3","1","4","7","1") = "8"
    & skf18("8","9","3","1","4","8","1") = "8"
    & skf18("8","9","3","1","4","9","1") = "8"
    & skf18("8","9","3","1","4","10","1") = "9"
    & skf18("8","9","3","1","5","1","1") = "8"
    & skf18("8","9","3","1","5","2","1") = "8"
    & skf18("8","9","3","1","5","3","1") = "8"
    & skf18("8","9","3","1","5","4","1") = "8"
    & skf18("8","9","3","1","5","5","1") = "8"
    & skf18("8","9","3","1","5","6","1") = "8"
    & skf18("8","9","3","1","5","7","1") = "8"
    & skf18("8","9","3","1","5","8","1") = "8"
    & skf18("8","9","3","1","5","9","1") = "8"
    & skf18("8","9","3","1","5","10","1") = "9"
    & skf18("8","9","3","1","6","1","1") = "8"
    & skf18("8","9","3","1","6","2","1") = "8"
    & skf18("8","9","3","1","6","3","1") = "8"
    & skf18("8","9","3","1","6","4","1") = "8"
    & skf18("8","9","3","1","6","5","1") = "8"
    & skf18("8","9","3","1","6","6","1") = "8"
    & skf18("8","9","3","1","6","7","1") = "8"
    & skf18("8","9","3","1","6","8","1") = "8"
    & skf18("8","9","3","1","6","9","1") = "8"
    & skf18("8","9","3","1","6","10","1") = "9"
    & skf18("8","9","3","1","7","1","1") = "8"
    & skf18("8","9","3","1","7","2","1") = "8"
    & skf18("8","9","3","1","7","3","1") = "8"
    & skf18("8","9","3","1","7","4","1") = "8"
    & skf18("8","9","3","1","7","5","1") = "8"
    & skf18("8","9","3","1","7","6","1") = "8"
    & skf18("8","9","3","1","7","7","1") = "8"
    & skf18("8","9","3","1","7","8","1") = "8"
    & skf18("8","9","3","1","7","9","1") = "8"
    & skf18("8","9","3","1","7","10","1") = "9"
    & skf18("8","9","3","1","8","1","1") = "8"
    & skf18("8","9","3","1","8","2","1") = "8"
    & skf18("8","9","3","1","8","3","1") = "8"
    & skf18("8","9","3","1","8","4","1") = "8"
    & skf18("8","9","3","1","8","5","1") = "8"
    & skf18("8","9","3","1","8","6","1") = "8"
    & skf18("8","9","3","1","8","7","1") = "8"
    & skf18("8","9","3","1","8","8","1") = "8"
    & skf18("8","9","3","1","8","9","1") = "8"
    & skf18("8","9","3","1","8","10","1") = "9"
    & skf18("8","9","3","1","9","1","1") = "8"
    & skf18("8","9","3","1","9","2","1") = "8"
    & skf18("8","9","3","1","9","3","1") = "8"
    & skf18("8","9","3","1","9","4","1") = "8"
    & skf18("8","9","3","1","9","5","1") = "8"
    & skf18("8","9","3","1","9","6","1") = "8"
    & skf18("8","9","3","1","9","7","1") = "8"
    & skf18("8","9","3","1","9","8","1") = "8"
    & skf18("8","9","3","1","9","9","1") = "8"
    & skf18("8","9","3","1","9","10","1") = "9"
    & skf18("8","9","3","1","10","1","1") = "9"
    & skf18("8","9","3","1","10","2","1") = "9"
    & skf18("8","9","3","1","10","3","1") = "9"
    & skf18("8","9","3","1","10","4","1") = "9"
    & skf18("8","9","3","1","10","5","1") = "9"
    & skf18("8","9","3","1","10","6","1") = "9"
    & skf18("8","9","3","1","10","7","1") = "9"
    & skf18("8","9","3","1","10","8","1") = "9"
    & skf18("8","9","3","1","10","9","1") = "9"
    & skf18("8","9","3","1","10","10","1") = "9"
    & skf18("8","9","3","2","1","1","1") = "8"
    & skf18("8","9","3","2","1","2","1") = "8"
    & skf18("8","9","3","2","1","3","1") = "8"
    & skf18("8","9","3","2","1","4","1") = "8"
    & skf18("8","9","3","2","1","5","1") = "8"
    & skf18("8","9","3","2","1","6","1") = "8"
    & skf18("8","9","3","2","1","7","1") = "8"
    & skf18("8","9","3","2","1","8","1") = "8"
    & skf18("8","9","3","2","1","9","1") = "8"
    & skf18("8","9","3","2","1","10","1") = "9"
    & skf18("8","9","3","2","2","1","1") = "8"
    & skf18("8","9","3","2","2","2","1") = "8"
    & skf18("8","9","3","2","2","3","1") = "8"
    & skf18("8","9","3","2","2","4","1") = "8"
    & skf18("8","9","3","2","2","5","1") = "8"
    & skf18("8","9","3","2","2","6","1") = "8"
    & skf18("8","9","3","2","2","7","1") = "8"
    & skf18("8","9","3","2","2","8","1") = "8"
    & skf18("8","9","3","2","2","9","1") = "8"
    & skf18("8","9","3","2","2","10","1") = "9"
    & skf18("8","9","3","2","3","1","1") = "8"
    & skf18("8","9","3","2","3","2","1") = "8"
    & skf18("8","9","3","2","3","3","1") = "8"
    & skf18("8","9","3","2","3","4","1") = "8"
    & skf18("8","9","3","2","3","5","1") = "8"
    & skf18("8","9","3","2","3","6","1") = "8"
    & skf18("8","9","3","2","3","7","1") = "8"
    & skf18("8","9","3","2","3","8","1") = "8"
    & skf18("8","9","3","2","3","9","1") = "8"
    & skf18("8","9","3","2","3","10","1") = "9"
    & skf18("8","9","3","2","4","1","1") = "8"
    & skf18("8","9","3","2","4","2","1") = "8"
    & skf18("8","9","3","2","4","3","1") = "8"
    & skf18("8","9","3","2","4","4","1") = "8"
    & skf18("8","9","3","2","4","5","1") = "8"
    & skf18("8","9","3","2","4","6","1") = "8"
    & skf18("8","9","3","2","4","7","1") = "8"
    & skf18("8","9","3","2","4","8","1") = "8"
    & skf18("8","9","3","2","4","9","1") = "8"
    & skf18("8","9","3","2","4","10","1") = "9"
    & skf18("8","9","3","2","5","1","1") = "8"
    & skf18("8","9","3","2","5","2","1") = "8"
    & skf18("8","9","3","2","5","3","1") = "8"
    & skf18("8","9","3","2","5","4","1") = "8"
    & skf18("8","9","3","2","5","5","1") = "8"
    & skf18("8","9","3","2","5","6","1") = "8"
    & skf18("8","9","3","2","5","7","1") = "8"
    & skf18("8","9","3","2","5","8","1") = "8"
    & skf18("8","9","3","2","5","9","1") = "8"
    & skf18("8","9","3","2","5","10","1") = "9"
    & skf18("8","9","3","2","6","1","1") = "8"
    & skf18("8","9","3","2","6","2","1") = "8"
    & skf18("8","9","3","2","6","3","1") = "8"
    & skf18("8","9","3","2","6","4","1") = "8"
    & skf18("8","9","3","2","6","5","1") = "8"
    & skf18("8","9","3","2","6","6","1") = "8"
    & skf18("8","9","3","2","6","7","1") = "8"
    & skf18("8","9","3","2","6","8","1") = "8"
    & skf18("8","9","3","2","6","9","1") = "8"
    & skf18("8","9","3","2","6","10","1") = "9"
    & skf18("8","9","3","2","7","1","1") = "8"
    & skf18("8","9","3","2","7","2","1") = "8"
    & skf18("8","9","3","2","7","3","1") = "8"
    & skf18("8","9","3","2","7","4","1") = "8"
    & skf18("8","9","3","2","7","5","1") = "8"
    & skf18("8","9","3","2","7","6","1") = "8"
    & skf18("8","9","3","2","7","7","1") = "8"
    & skf18("8","9","3","2","7","8","1") = "8"
    & skf18("8","9","3","2","7","9","1") = "8"
    & skf18("8","9","3","2","7","10","1") = "9"
    & skf18("8","9","3","2","8","1","1") = "8"
    & skf18("8","9","3","2","8","2","1") = "8"
    & skf18("8","9","3","2","8","3","1") = "8"
    & skf18("8","9","3","2","8","4","1") = "8"
    & skf18("8","9","3","2","8","5","1") = "8"
    & skf18("8","9","3","2","8","6","1") = "8"
    & skf18("8","9","3","2","8","7","1") = "8"
    & skf18("8","9","3","2","8","8","1") = "8"
    & skf18("8","9","3","2","8","9","1") = "8"
    & skf18("8","9","3","2","8","10","1") = "9"
    & skf18("8","9","3","2","9","1","1") = "8"
    & skf18("8","9","3","2","9","2","1") = "8"
    & skf18("8","9","3","2","9","3","1") = "8"
    & skf18("8","9","3","2","9","4","1") = "8"
    & skf18("8","9","3","2","9","5","1") = "8"
    & skf18("8","9","3","2","9","6","1") = "8"
    & skf18("8","9","3","2","9","7","1") = "8"
    & skf18("8","9","3","2","9","8","1") = "8"
    & skf18("8","9","3","2","9","9","1") = "8"
    & skf18("8","9","3","2","9","10","1") = "9"
    & skf18("8","9","3","2","10","1","1") = "9"
    & skf18("8","9","3","2","10","2","1") = "9"
    & skf18("8","9","3","2","10","3","1") = "9"
    & skf18("8","9","3","2","10","4","1") = "9"
    & skf18("8","9","3","2","10","5","1") = "9"
    & skf18("8","9","3","2","10","6","1") = "9"
    & skf18("8","9","3","2","10","7","1") = "9"
    & skf18("8","9","3","2","10","8","1") = "9"
    & skf18("8","9","3","2","10","9","1") = "9"
    & skf18("8","9","3","2","10","10","1") = "9"
    & skf18("8","9","3","3","1","1","1") = "8"
    & skf18("8","9","3","3","1","2","1") = "8"
    & skf18("8","9","3","3","1","3","1") = "8"
    & skf18("8","9","3","3","1","4","1") = "8"
    & skf18("8","9","3","3","1","5","1") = "8"
    & skf18("8","9","3","3","1","6","1") = "8"
    & skf18("8","9","3","3","1","7","1") = "8"
    & skf18("8","9","3","3","1","8","1") = "8"
    & skf18("8","9","3","3","1","9","1") = "8"
    & skf18("8","9","3","3","1","10","1") = "9"
    & skf18("8","9","3","3","2","1","1") = "8"
    & skf18("8","9","3","3","2","2","1") = "8"
    & skf18("8","9","3","3","2","3","1") = "8"
    & skf18("8","9","3","3","2","4","1") = "8"
    & skf18("8","9","3","3","2","5","1") = "8"
    & skf18("8","9","3","3","2","6","1") = "8"
    & skf18("8","9","3","3","2","7","1") = "8"
    & skf18("8","9","3","3","2","8","1") = "8"
    & skf18("8","9","3","3","2","9","1") = "8"
    & skf18("8","9","3","3","2","10","1") = "9"
    & skf18("8","9","3","3","3","1","1") = "8"
    & skf18("8","9","3","3","3","2","1") = "8"
    & skf18("8","9","3","3","3","3","1") = "8"
    & skf18("8","9","3","3","3","4","1") = "8"
    & skf18("8","9","3","3","3","5","1") = "8"
    & skf18("8","9","3","3","3","6","1") = "8"
    & skf18("8","9","3","3","3","7","1") = "8"
    & skf18("8","9","3","3","3","8","1") = "8"
    & skf18("8","9","3","3","3","9","1") = "8"
    & skf18("8","9","3","3","3","10","1") = "9"
    & skf18("8","9","3","3","4","1","1") = "8"
    & skf18("8","9","3","3","4","2","1") = "8"
    & skf18("8","9","3","3","4","3","1") = "8"
    & skf18("8","9","3","3","4","4","1") = "8"
    & skf18("8","9","3","3","4","5","1") = "8"
    & skf18("8","9","3","3","4","6","1") = "8"
    & skf18("8","9","3","3","4","7","1") = "8"
    & skf18("8","9","3","3","4","8","1") = "8"
    & skf18("8","9","3","3","4","9","1") = "8"
    & skf18("8","9","3","3","4","10","1") = "9"
    & skf18("8","9","3","3","5","1","1") = "8"
    & skf18("8","9","3","3","5","2","1") = "8"
    & skf18("8","9","3","3","5","3","1") = "8"
    & skf18("8","9","3","3","5","4","1") = "8"
    & skf18("8","9","3","3","5","5","1") = "8"
    & skf18("8","9","3","3","5","6","1") = "8"
    & skf18("8","9","3","3","5","7","1") = "8"
    & skf18("8","9","3","3","5","8","1") = "8"
    & skf18("8","9","3","3","5","9","1") = "8"
    & skf18("8","9","3","3","5","10","1") = "9"
    & skf18("8","9","3","3","6","1","1") = "8"
    & skf18("8","9","3","3","6","2","1") = "8"
    & skf18("8","9","3","3","6","3","1") = "8"
    & skf18("8","9","3","3","6","4","1") = "8"
    & skf18("8","9","3","3","6","5","1") = "8"
    & skf18("8","9","3","3","6","6","1") = "8"
    & skf18("8","9","3","3","6","7","1") = "8"
    & skf18("8","9","3","3","6","8","1") = "8"
    & skf18("8","9","3","3","6","9","1") = "8"
    & skf18("8","9","3","3","6","10","1") = "9"
    & skf18("8","9","3","3","7","1","1") = "8"
    & skf18("8","9","3","3","7","2","1") = "8"
    & skf18("8","9","3","3","7","3","1") = "8"
    & skf18("8","9","3","3","7","4","1") = "8"
    & skf18("8","9","3","3","7","5","1") = "8"
    & skf18("8","9","3","3","7","6","1") = "8"
    & skf18("8","9","3","3","7","7","1") = "8"
    & skf18("8","9","3","3","7","8","1") = "8"
    & skf18("8","9","3","3","7","9","1") = "8"
    & skf18("8","9","3","3","7","10","1") = "9"
    & skf18("8","9","3","3","8","1","1") = "8"
    & skf18("8","9","3","3","8","2","1") = "8"
    & skf18("8","9","3","3","8","3","1") = "8"
    & skf18("8","9","3","3","8","4","1") = "8"
    & skf18("8","9","3","3","8","5","1") = "8"
    & skf18("8","9","3","3","8","6","1") = "8"
    & skf18("8","9","3","3","8","7","1") = "8"
    & skf18("8","9","3","3","8","8","1") = "8"
    & skf18("8","9","3","3","8","9","1") = "8"
    & skf18("8","9","3","3","8","10","1") = "9"
    & skf18("8","9","3","3","9","1","1") = "8"
    & skf18("8","9","3","3","9","2","1") = "8"
    & skf18("8","9","3","3","9","3","1") = "8"
    & skf18("8","9","3","3","9","4","1") = "8"
    & skf18("8","9","3","3","9","5","1") = "8"
    & skf18("8","9","3","3","9","6","1") = "8"
    & skf18("8","9","3","3","9","7","1") = "8"
    & skf18("8","9","3","3","9","8","1") = "8"
    & skf18("8","9","3","3","9","9","1") = "8"
    & skf18("8","9","3","3","9","10","1") = "9"
    & skf18("8","9","3","3","10","1","1") = "9"
    & skf18("8","9","3","3","10","2","1") = "9"
    & skf18("8","9","3","3","10","3","1") = "9"
    & skf18("8","9","3","3","10","4","1") = "9"
    & skf18("8","9","3","3","10","5","1") = "9"
    & skf18("8","9","3","3","10","6","1") = "9"
    & skf18("8","9","3","3","10","7","1") = "9"
    & skf18("8","9","3","3","10","8","1") = "9"
    & skf18("8","9","3","3","10","9","1") = "9"
    & skf18("8","9","3","3","10","10","1") = "9"
    & skf18("8","9","3","4","1","1","1") = "8"
    & skf18("8","9","3","4","1","2","1") = "8"
    & skf18("8","9","3","4","1","3","1") = "8"
    & skf18("8","9","3","4","1","4","1") = "8"
    & skf18("8","9","3","4","1","5","1") = "8"
    & skf18("8","9","3","4","1","6","1") = "8"
    & skf18("8","9","3","4","1","7","1") = "8"
    & skf18("8","9","3","4","1","8","1") = "8"
    & skf18("8","9","3","4","1","9","1") = "8"
    & skf18("8","9","3","4","1","10","1") = "9"
    & skf18("8","9","3","4","2","1","1") = "8"
    & skf18("8","9","3","4","2","2","1") = "8"
    & skf18("8","9","3","4","2","3","1") = "8"
    & skf18("8","9","3","4","2","4","1") = "8"
    & skf18("8","9","3","4","2","5","1") = "8"
    & skf18("8","9","3","4","2","6","1") = "8"
    & skf18("8","9","3","4","2","7","1") = "8"
    & skf18("8","9","3","4","2","8","1") = "8"
    & skf18("8","9","3","4","2","9","1") = "8"
    & skf18("8","9","3","4","2","10","1") = "9"
    & skf18("8","9","3","4","3","1","1") = "8"
    & skf18("8","9","3","4","3","2","1") = "8"
    & skf18("8","9","3","4","3","3","1") = "8"
    & skf18("8","9","3","4","3","4","1") = "8"
    & skf18("8","9","3","4","3","5","1") = "8"
    & skf18("8","9","3","4","3","6","1") = "8"
    & skf18("8","9","3","4","3","7","1") = "8"
    & skf18("8","9","3","4","3","8","1") = "8"
    & skf18("8","9","3","4","3","9","1") = "8"
    & skf18("8","9","3","4","3","10","1") = "9"
    & skf18("8","9","3","4","4","1","1") = "8"
    & skf18("8","9","3","4","4","2","1") = "8"
    & skf18("8","9","3","4","4","3","1") = "8"
    & skf18("8","9","3","4","4","4","1") = "8"
    & skf18("8","9","3","4","4","5","1") = "8"
    & skf18("8","9","3","4","4","6","1") = "8"
    & skf18("8","9","3","4","4","7","1") = "8"
    & skf18("8","9","3","4","4","8","1") = "8"
    & skf18("8","9","3","4","4","9","1") = "8"
    & skf18("8","9","3","4","4","10","1") = "9"
    & skf18("8","9","3","4","5","1","1") = "8"
    & skf18("8","9","3","4","5","2","1") = "8"
    & skf18("8","9","3","4","5","3","1") = "8"
    & skf18("8","9","3","4","5","4","1") = "8"
    & skf18("8","9","3","4","5","5","1") = "8"
    & skf18("8","9","3","4","5","6","1") = "8"
    & skf18("8","9","3","4","5","7","1") = "8"
    & skf18("8","9","3","4","5","8","1") = "8"
    & skf18("8","9","3","4","5","9","1") = "8"
    & skf18("8","9","3","4","5","10","1") = "9"
    & skf18("8","9","3","4","6","1","1") = "8"
    & skf18("8","9","3","4","6","2","1") = "8"
    & skf18("8","9","3","4","6","3","1") = "8"
    & skf18("8","9","3","4","6","4","1") = "8"
    & skf18("8","9","3","4","6","5","1") = "8"
    & skf18("8","9","3","4","6","6","1") = "8"
    & skf18("8","9","3","4","6","7","1") = "8"
    & skf18("8","9","3","4","6","8","1") = "8"
    & skf18("8","9","3","4","6","9","1") = "8"
    & skf18("8","9","3","4","6","10","1") = "9"
    & skf18("8","9","3","4","7","1","1") = "8"
    & skf18("8","9","3","4","7","2","1") = "8"
    & skf18("8","9","3","4","7","3","1") = "8"
    & skf18("8","9","3","4","7","4","1") = "8"
    & skf18("8","9","3","4","7","5","1") = "8"
    & skf18("8","9","3","4","7","6","1") = "8"
    & skf18("8","9","3","4","7","7","1") = "8"
    & skf18("8","9","3","4","7","8","1") = "8"
    & skf18("8","9","3","4","7","9","1") = "8"
    & skf18("8","9","3","4","7","10","1") = "9"
    & skf18("8","9","3","4","8","1","1") = "8"
    & skf18("8","9","3","4","8","2","1") = "8"
    & skf18("8","9","3","4","8","3","1") = "8"
    & skf18("8","9","3","4","8","4","1") = "8"
    & skf18("8","9","3","4","8","5","1") = "8"
    & skf18("8","9","3","4","8","6","1") = "8"
    & skf18("8","9","3","4","8","7","1") = "8"
    & skf18("8","9","3","4","8","8","1") = "8"
    & skf18("8","9","3","4","8","9","1") = "8"
    & skf18("8","9","3","4","8","10","1") = "9"
    & skf18("8","9","3","4","9","1","1") = "8"
    & skf18("8","9","3","4","9","2","1") = "8"
    & skf18("8","9","3","4","9","3","1") = "8"
    & skf18("8","9","3","4","9","4","1") = "8"
    & skf18("8","9","3","4","9","5","1") = "8"
    & skf18("8","9","3","4","9","6","1") = "8"
    & skf18("8","9","3","4","9","7","1") = "8"
    & skf18("8","9","3","4","9","8","1") = "8"
    & skf18("8","9","3","4","9","9","1") = "8"
    & skf18("8","9","3","4","9","10","1") = "9"
    & skf18("8","9","3","4","10","1","1") = "9"
    & skf18("8","9","3","4","10","2","1") = "9"
    & skf18("8","9","3","4","10","3","1") = "9"
    & skf18("8","9","3","4","10","4","1") = "9"
    & skf18("8","9","3","4","10","5","1") = "9"
    & skf18("8","9","3","4","10","6","1") = "9"
    & skf18("8","9","3","4","10","7","1") = "9"
    & skf18("8","9","3","4","10","8","1") = "9"
    & skf18("8","9","3","4","10","9","1") = "9"
    & skf18("8","9","3","4","10","10","1") = "9"
    & skf18("8","9","3","5","1","1","1") = "8"
    & skf18("8","9","3","5","1","2","1") = "8"
    & skf18("8","9","3","5","1","3","1") = "8"
    & skf18("8","9","3","5","1","4","1") = "8"
    & skf18("8","9","3","5","1","5","1") = "8"
    & skf18("8","9","3","5","1","6","1") = "8"
    & skf18("8","9","3","5","1","7","1") = "8"
    & skf18("8","9","3","5","1","8","1") = "8"
    & skf18("8","9","3","5","1","9","1") = "8"
    & skf18("8","9","3","5","1","10","1") = "9"
    & skf18("8","9","3","5","2","1","1") = "8"
    & skf18("8","9","3","5","2","2","1") = "8"
    & skf18("8","9","3","5","2","3","1") = "8"
    & skf18("8","9","3","5","2","4","1") = "8"
    & skf18("8","9","3","5","2","5","1") = "8"
    & skf18("8","9","3","5","2","6","1") = "8"
    & skf18("8","9","3","5","2","7","1") = "8"
    & skf18("8","9","3","5","2","8","1") = "8"
    & skf18("8","9","3","5","2","9","1") = "8"
    & skf18("8","9","3","5","2","10","1") = "9"
    & skf18("8","9","3","5","3","1","1") = "8"
    & skf18("8","9","3","5","3","2","1") = "8"
    & skf18("8","9","3","5","3","3","1") = "8"
    & skf18("8","9","3","5","3","4","1") = "8"
    & skf18("8","9","3","5","3","5","1") = "8"
    & skf18("8","9","3","5","3","6","1") = "8"
    & skf18("8","9","3","5","3","7","1") = "8"
    & skf18("8","9","3","5","3","8","1") = "8"
    & skf18("8","9","3","5","3","9","1") = "8"
    & skf18("8","9","3","5","3","10","1") = "9"
    & skf18("8","9","3","5","4","1","1") = "8"
    & skf18("8","9","3","5","4","2","1") = "8"
    & skf18("8","9","3","5","4","3","1") = "8"
    & skf18("8","9","3","5","4","4","1") = "8"
    & skf18("8","9","3","5","4","5","1") = "8"
    & skf18("8","9","3","5","4","6","1") = "8"
    & skf18("8","9","3","5","4","7","1") = "8"
    & skf18("8","9","3","5","4","8","1") = "8"
    & skf18("8","9","3","5","4","9","1") = "8"
    & skf18("8","9","3","5","4","10","1") = "9"
    & skf18("8","9","3","5","5","1","1") = "8"
    & skf18("8","9","3","5","5","2","1") = "8"
    & skf18("8","9","3","5","5","3","1") = "8"
    & skf18("8","9","3","5","5","4","1") = "8"
    & skf18("8","9","3","5","5","5","1") = "8"
    & skf18("8","9","3","5","5","6","1") = "8"
    & skf18("8","9","3","5","5","7","1") = "8"
    & skf18("8","9","3","5","5","8","1") = "8"
    & skf18("8","9","3","5","5","9","1") = "8"
    & skf18("8","9","3","5","5","10","1") = "9"
    & skf18("8","9","3","5","6","1","1") = "8"
    & skf18("8","9","3","5","6","2","1") = "8"
    & skf18("8","9","3","5","6","3","1") = "8"
    & skf18("8","9","3","5","6","4","1") = "8"
    & skf18("8","9","3","5","6","5","1") = "8"
    & skf18("8","9","3","5","6","6","1") = "8"
    & skf18("8","9","3","5","6","7","1") = "8"
    & skf18("8","9","3","5","6","8","1") = "8"
    & skf18("8","9","3","5","6","9","1") = "8"
    & skf18("8","9","3","5","6","10","1") = "9"
    & skf18("8","9","3","5","7","1","1") = "8"
    & skf18("8","9","3","5","7","2","1") = "8"
    & skf18("8","9","3","5","7","3","1") = "8"
    & skf18("8","9","3","5","7","4","1") = "8"
    & skf18("8","9","3","5","7","5","1") = "8"
    & skf18("8","9","3","5","7","6","1") = "8"
    & skf18("8","9","3","5","7","7","1") = "8"
    & skf18("8","9","3","5","7","8","1") = "8"
    & skf18("8","9","3","5","7","9","1") = "8"
    & skf18("8","9","3","5","7","10","1") = "9"
    & skf18("8","9","3","5","8","1","1") = "8"
    & skf18("8","9","3","5","8","2","1") = "8"
    & skf18("8","9","3","5","8","3","1") = "8"
    & skf18("8","9","3","5","8","4","1") = "8"
    & skf18("8","9","3","5","8","5","1") = "8"
    & skf18("8","9","3","5","8","6","1") = "8"
    & skf18("8","9","3","5","8","7","1") = "8"
    & skf18("8","9","3","5","8","8","1") = "8"
    & skf18("8","9","3","5","8","9","1") = "8"
    & skf18("8","9","3","5","8","10","1") = "9"
    & skf18("8","9","3","5","9","1","1") = "8"
    & skf18("8","9","3","5","9","2","1") = "8"
    & skf18("8","9","3","5","9","3","1") = "8"
    & skf18("8","9","3","5","9","4","1") = "8"
    & skf18("8","9","3","5","9","5","1") = "8"
    & skf18("8","9","3","5","9","6","1") = "8"
    & skf18("8","9","3","5","9","7","1") = "8"
    & skf18("8","9","3","5","9","8","1") = "8"
    & skf18("8","9","3","5","9","9","1") = "8"
    & skf18("8","9","3","5","9","10","1") = "9"
    & skf18("8","9","3","5","10","1","1") = "9"
    & skf18("8","9","3","5","10","2","1") = "9"
    & skf18("8","9","3","5","10","3","1") = "9"
    & skf18("8","9","3","5","10","4","1") = "9"
    & skf18("8","9","3","5","10","5","1") = "9"
    & skf18("8","9","3","5","10","6","1") = "9"
    & skf18("8","9","3","5","10","7","1") = "9"
    & skf18("8","9","3","5","10","8","1") = "9"
    & skf18("8","9","3","5","10","9","1") = "9"
    & skf18("8","9","3","5","10","10","1") = "9"
    & skf18("8","9","3","6","1","1","1") = "8"
    & skf18("8","9","3","6","1","2","1") = "8"
    & skf18("8","9","3","6","1","3","1") = "8"
    & skf18("8","9","3","6","1","4","1") = "8"
    & skf18("8","9","3","6","1","5","1") = "8"
    & skf18("8","9","3","6","1","6","1") = "8"
    & skf18("8","9","3","6","1","7","1") = "8"
    & skf18("8","9","3","6","1","8","1") = "8"
    & skf18("8","9","3","6","1","9","1") = "8"
    & skf18("8","9","3","6","1","10","1") = "9"
    & skf18("8","9","3","6","2","1","1") = "8"
    & skf18("8","9","3","6","2","2","1") = "8"
    & skf18("8","9","3","6","2","3","1") = "8"
    & skf18("8","9","3","6","2","4","1") = "8"
    & skf18("8","9","3","6","2","5","1") = "8"
    & skf18("8","9","3","6","2","6","1") = "8"
    & skf18("8","9","3","6","2","7","1") = "8"
    & skf18("8","9","3","6","2","8","1") = "8"
    & skf18("8","9","3","6","2","9","1") = "8"
    & skf18("8","9","3","6","2","10","1") = "9"
    & skf18("8","9","3","6","3","1","1") = "8"
    & skf18("8","9","3","6","3","2","1") = "8"
    & skf18("8","9","3","6","3","3","1") = "8"
    & skf18("8","9","3","6","3","4","1") = "8"
    & skf18("8","9","3","6","3","5","1") = "8"
    & skf18("8","9","3","6","3","6","1") = "8"
    & skf18("8","9","3","6","3","7","1") = "8"
    & skf18("8","9","3","6","3","8","1") = "8"
    & skf18("8","9","3","6","3","9","1") = "8"
    & skf18("8","9","3","6","3","10","1") = "9"
    & skf18("8","9","3","6","4","1","1") = "8"
    & skf18("8","9","3","6","4","2","1") = "8"
    & skf18("8","9","3","6","4","3","1") = "8"
    & skf18("8","9","3","6","4","4","1") = "8"
    & skf18("8","9","3","6","4","5","1") = "8"
    & skf18("8","9","3","6","4","6","1") = "8"
    & skf18("8","9","3","6","4","7","1") = "8"
    & skf18("8","9","3","6","4","8","1") = "8"
    & skf18("8","9","3","6","4","9","1") = "8"
    & skf18("8","9","3","6","4","10","1") = "9"
    & skf18("8","9","3","6","5","1","1") = "8"
    & skf18("8","9","3","6","5","2","1") = "8"
    & skf18("8","9","3","6","5","3","1") = "8"
    & skf18("8","9","3","6","5","4","1") = "8"
    & skf18("8","9","3","6","5","5","1") = "8"
    & skf18("8","9","3","6","5","6","1") = "8"
    & skf18("8","9","3","6","5","7","1") = "8"
    & skf18("8","9","3","6","5","8","1") = "8"
    & skf18("8","9","3","6","5","9","1") = "8"
    & skf18("8","9","3","6","5","10","1") = "9"
    & skf18("8","9","3","6","6","1","1") = "8"
    & skf18("8","9","3","6","6","2","1") = "8"
    & skf18("8","9","3","6","6","3","1") = "8"
    & skf18("8","9","3","6","6","4","1") = "8"
    & skf18("8","9","3","6","6","5","1") = "8"
    & skf18("8","9","3","6","6","6","1") = "8"
    & skf18("8","9","3","6","6","7","1") = "8"
    & skf18("8","9","3","6","6","8","1") = "8"
    & skf18("8","9","3","6","6","9","1") = "8"
    & skf18("8","9","3","6","6","10","1") = "9"
    & skf18("8","9","3","6","7","1","1") = "8"
    & skf18("8","9","3","6","7","2","1") = "8"
    & skf18("8","9","3","6","7","3","1") = "8"
    & skf18("8","9","3","6","7","4","1") = "8"
    & skf18("8","9","3","6","7","5","1") = "8"
    & skf18("8","9","3","6","7","6","1") = "8"
    & skf18("8","9","3","6","7","7","1") = "8"
    & skf18("8","9","3","6","7","8","1") = "8"
    & skf18("8","9","3","6","7","9","1") = "8"
    & skf18("8","9","3","6","7","10","1") = "9"
    & skf18("8","9","3","6","8","1","1") = "8"
    & skf18("8","9","3","6","8","2","1") = "8"
    & skf18("8","9","3","6","8","3","1") = "8"
    & skf18("8","9","3","6","8","4","1") = "8"
    & skf18("8","9","3","6","8","5","1") = "8"
    & skf18("8","9","3","6","8","6","1") = "8"
    & skf18("8","9","3","6","8","7","1") = "8"
    & skf18("8","9","3","6","8","8","1") = "8"
    & skf18("8","9","3","6","8","9","1") = "8"
    & skf18("8","9","3","6","8","10","1") = "9"
    & skf18("8","9","3","6","9","1","1") = "8"
    & skf18("8","9","3","6","9","2","1") = "8"
    & skf18("8","9","3","6","9","3","1") = "8"
    & skf18("8","9","3","6","9","4","1") = "8"
    & skf18("8","9","3","6","9","5","1") = "8"
    & skf18("8","9","3","6","9","6","1") = "8"
    & skf18("8","9","3","6","9","7","1") = "8"
    & skf18("8","9","3","6","9","8","1") = "8"
    & skf18("8","9","3","6","9","9","1") = "8"
    & skf18("8","9","3","6","9","10","1") = "9"
    & skf18("8","9","3","6","10","1","1") = "9"
    & skf18("8","9","3","6","10","2","1") = "9"
    & skf18("8","9","3","6","10","3","1") = "9"
    & skf18("8","9","3","6","10","4","1") = "9"
    & skf18("8","9","3","6","10","5","1") = "9"
    & skf18("8","9","3","6","10","6","1") = "9"
    & skf18("8","9","3","6","10","7","1") = "9"
    & skf18("8","9","3","6","10","8","1") = "9"
    & skf18("8","9","3","6","10","9","1") = "9"
    & skf18("8","9","3","6","10","10","1") = "9"
    & skf18("8","9","3","7","1","1","1") = "8"
    & skf18("8","9","3","7","1","2","1") = "8"
    & skf18("8","9","3","7","1","3","1") = "8"
    & skf18("8","9","3","7","1","4","1") = "8"
    & skf18("8","9","3","7","1","5","1") = "8"
    & skf18("8","9","3","7","1","6","1") = "8"
    & skf18("8","9","3","7","1","7","1") = "8"
    & skf18("8","9","3","7","1","8","1") = "8"
    & skf18("8","9","3","7","1","9","1") = "8"
    & skf18("8","9","3","7","1","10","1") = "9"
    & skf18("8","9","3","7","2","1","1") = "8"
    & skf18("8","9","3","7","2","2","1") = "8"
    & skf18("8","9","3","7","2","3","1") = "8"
    & skf18("8","9","3","7","2","4","1") = "8"
    & skf18("8","9","3","7","2","5","1") = "8"
    & skf18("8","9","3","7","2","6","1") = "8"
    & skf18("8","9","3","7","2","7","1") = "8"
    & skf18("8","9","3","7","2","8","1") = "8"
    & skf18("8","9","3","7","2","9","1") = "8"
    & skf18("8","9","3","7","2","10","1") = "9"
    & skf18("8","9","3","7","3","1","1") = "8"
    & skf18("8","9","3","7","3","2","1") = "8"
    & skf18("8","9","3","7","3","3","1") = "8"
    & skf18("8","9","3","7","3","4","1") = "8"
    & skf18("8","9","3","7","3","5","1") = "8"
    & skf18("8","9","3","7","3","6","1") = "8"
    & skf18("8","9","3","7","3","7","1") = "8"
    & skf18("8","9","3","7","3","8","1") = "8"
    & skf18("8","9","3","7","3","9","1") = "8"
    & skf18("8","9","3","7","3","10","1") = "9"
    & skf18("8","9","3","7","4","1","1") = "8"
    & skf18("8","9","3","7","4","2","1") = "8"
    & skf18("8","9","3","7","4","3","1") = "8"
    & skf18("8","9","3","7","4","4","1") = "8"
    & skf18("8","9","3","7","4","5","1") = "8"
    & skf18("8","9","3","7","4","6","1") = "8"
    & skf18("8","9","3","7","4","7","1") = "8"
    & skf18("8","9","3","7","4","8","1") = "8"
    & skf18("8","9","3","7","4","9","1") = "8"
    & skf18("8","9","3","7","4","10","1") = "9"
    & skf18("8","9","3","7","5","1","1") = "8"
    & skf18("8","9","3","7","5","2","1") = "8"
    & skf18("8","9","3","7","5","3","1") = "8"
    & skf18("8","9","3","7","5","4","1") = "8"
    & skf18("8","9","3","7","5","5","1") = "8"
    & skf18("8","9","3","7","5","6","1") = "8"
    & skf18("8","9","3","7","5","7","1") = "8"
    & skf18("8","9","3","7","5","8","1") = "8"
    & skf18("8","9","3","7","5","9","1") = "8"
    & skf18("8","9","3","7","5","10","1") = "9"
    & skf18("8","9","3","7","6","1","1") = "8"
    & skf18("8","9","3","7","6","2","1") = "8"
    & skf18("8","9","3","7","6","3","1") = "8"
    & skf18("8","9","3","7","6","4","1") = "8"
    & skf18("8","9","3","7","6","5","1") = "8"
    & skf18("8","9","3","7","6","6","1") = "8"
    & skf18("8","9","3","7","6","7","1") = "8"
    & skf18("8","9","3","7","6","8","1") = "8"
    & skf18("8","9","3","7","6","9","1") = "8"
    & skf18("8","9","3","7","6","10","1") = "9"
    & skf18("8","9","3","7","7","1","1") = "8"
    & skf18("8","9","3","7","7","2","1") = "8"
    & skf18("8","9","3","7","7","3","1") = "8"
    & skf18("8","9","3","7","7","4","1") = "8"
    & skf18("8","9","3","7","7","5","1") = "8"
    & skf18("8","9","3","7","7","6","1") = "8"
    & skf18("8","9","3","7","7","7","1") = "8"
    & skf18("8","9","3","7","7","8","1") = "8"
    & skf18("8","9","3","7","7","9","1") = "8"
    & skf18("8","9","3","7","7","10","1") = "9"
    & skf18("8","9","3","7","8","1","1") = "8"
    & skf18("8","9","3","7","8","2","1") = "8"
    & skf18("8","9","3","7","8","3","1") = "8"
    & skf18("8","9","3","7","8","4","1") = "8"
    & skf18("8","9","3","7","8","5","1") = "8"
    & skf18("8","9","3","7","8","6","1") = "8"
    & skf18("8","9","3","7","8","7","1") = "8"
    & skf18("8","9","3","7","8","8","1") = "8"
    & skf18("8","9","3","7","8","9","1") = "8"
    & skf18("8","9","3","7","8","10","1") = "9"
    & skf18("8","9","3","7","9","1","1") = "8"
    & skf18("8","9","3","7","9","2","1") = "8"
    & skf18("8","9","3","7","9","3","1") = "8"
    & skf18("8","9","3","7","9","4","1") = "8"
    & skf18("8","9","3","7","9","5","1") = "8"
    & skf18("8","9","3","7","9","6","1") = "8"
    & skf18("8","9","3","7","9","7","1") = "8"
    & skf18("8","9","3","7","9","8","1") = "8"
    & skf18("8","9","3","7","9","9","1") = "8"
    & skf18("8","9","3","7","9","10","1") = "9"
    & skf18("8","9","3","7","10","1","1") = "9"
    & skf18("8","9","3","7","10","2","1") = "9"
    & skf18("8","9","3","7","10","3","1") = "9"
    & skf18("8","9","3","7","10","4","1") = "9"
    & skf18("8","9","3","7","10","5","1") = "9"
    & skf18("8","9","3","7","10","6","1") = "9"
    & skf18("8","9","3","7","10","7","1") = "9"
    & skf18("8","9","3","7","10","8","1") = "9"
    & skf18("8","9","3","7","10","9","1") = "9"
    & skf18("8","9","3","7","10","10","1") = "9"
    & skf18("8","9","3","8","1","1","1") = "8"
    & skf18("8","9","3","8","1","2","1") = "8"
    & skf18("8","9","3","8","1","3","1") = "8"
    & skf18("8","9","3","8","1","4","1") = "8"
    & skf18("8","9","3","8","1","5","1") = "8"
    & skf18("8","9","3","8","1","6","1") = "8"
    & skf18("8","9","3","8","1","7","1") = "8"
    & skf18("8","9","3","8","1","8","1") = "8"
    & skf18("8","9","3","8","1","9","1") = "8"
    & skf18("8","9","3","8","1","10","1") = "9"
    & skf18("8","9","3","8","2","1","1") = "8"
    & skf18("8","9","3","8","2","2","1") = "8"
    & skf18("8","9","3","8","2","3","1") = "8"
    & skf18("8","9","3","8","2","4","1") = "8"
    & skf18("8","9","3","8","2","5","1") = "8"
    & skf18("8","9","3","8","2","6","1") = "8"
    & skf18("8","9","3","8","2","7","1") = "8"
    & skf18("8","9","3","8","2","8","1") = "8"
    & skf18("8","9","3","8","2","9","1") = "8"
    & skf18("8","9","3","8","2","10","1") = "9"
    & skf18("8","9","3","8","3","1","1") = "8"
    & skf18("8","9","3","8","3","2","1") = "8"
    & skf18("8","9","3","8","3","3","1") = "8"
    & skf18("8","9","3","8","3","4","1") = "8"
    & skf18("8","9","3","8","3","5","1") = "8"
    & skf18("8","9","3","8","3","6","1") = "8"
    & skf18("8","9","3","8","3","7","1") = "8"
    & skf18("8","9","3","8","3","8","1") = "8"
    & skf18("8","9","3","8","3","9","1") = "8"
    & skf18("8","9","3","8","3","10","1") = "9"
    & skf18("8","9","3","8","4","1","1") = "8"
    & skf18("8","9","3","8","4","2","1") = "8"
    & skf18("8","9","3","8","4","3","1") = "8"
    & skf18("8","9","3","8","4","4","1") = "8"
    & skf18("8","9","3","8","4","5","1") = "8"
    & skf18("8","9","3","8","4","6","1") = "8"
    & skf18("8","9","3","8","4","7","1") = "8"
    & skf18("8","9","3","8","4","8","1") = "8"
    & skf18("8","9","3","8","4","9","1") = "8"
    & skf18("8","9","3","8","4","10","1") = "9"
    & skf18("8","9","3","8","5","1","1") = "8"
    & skf18("8","9","3","8","5","2","1") = "8"
    & skf18("8","9","3","8","5","3","1") = "8"
    & skf18("8","9","3","8","5","4","1") = "8"
    & skf18("8","9","3","8","5","5","1") = "8"
    & skf18("8","9","3","8","5","6","1") = "8"
    & skf18("8","9","3","8","5","7","1") = "8"
    & skf18("8","9","3","8","5","8","1") = "8"
    & skf18("8","9","3","8","5","9","1") = "8"
    & skf18("8","9","3","8","5","10","1") = "9"
    & skf18("8","9","3","8","6","1","1") = "8"
    & skf18("8","9","3","8","6","2","1") = "8"
    & skf18("8","9","3","8","6","3","1") = "8"
    & skf18("8","9","3","8","6","4","1") = "8"
    & skf18("8","9","3","8","6","5","1") = "8"
    & skf18("8","9","3","8","6","6","1") = "8"
    & skf18("8","9","3","8","6","7","1") = "8"
    & skf18("8","9","3","8","6","8","1") = "8"
    & skf18("8","9","3","8","6","9","1") = "8"
    & skf18("8","9","3","8","6","10","1") = "9"
    & skf18("8","9","3","8","7","1","1") = "8"
    & skf18("8","9","3","8","7","2","1") = "8"
    & skf18("8","9","3","8","7","3","1") = "8"
    & skf18("8","9","3","8","7","4","1") = "8"
    & skf18("8","9","3","8","7","5","1") = "8"
    & skf18("8","9","3","8","7","6","1") = "8"
    & skf18("8","9","3","8","7","7","1") = "8"
    & skf18("8","9","3","8","7","8","1") = "8"
    & skf18("8","9","3","8","7","9","1") = "8"
    & skf18("8","9","3","8","7","10","1") = "9"
    & skf18("8","9","3","8","8","1","1") = "8"
    & skf18("8","9","3","8","8","2","1") = "8"
    & skf18("8","9","3","8","8","3","1") = "8"
    & skf18("8","9","3","8","8","4","1") = "8"
    & skf18("8","9","3","8","8","5","1") = "8"
    & skf18("8","9","3","8","8","6","1") = "8"
    & skf18("8","9","3","8","8","7","1") = "8"
    & skf18("8","9","3","8","8","8","1") = "8"
    & skf18("8","9","3","8","8","9","1") = "8"
    & skf18("8","9","3","8","8","10","1") = "9"
    & skf18("8","9","3","8","9","1","1") = "8"
    & skf18("8","9","3","8","9","2","1") = "8"
    & skf18("8","9","3","8","9","3","1") = "8"
    & skf18("8","9","3","8","9","4","1") = "8"
    & skf18("8","9","3","8","9","5","1") = "8"
    & skf18("8","9","3","8","9","6","1") = "8"
    & skf18("8","9","3","8","9","7","1") = "8"
    & skf18("8","9","3","8","9","8","1") = "8"
    & skf18("8","9","3","8","9","9","1") = "8"
    & skf18("8","9","3","8","9","10","1") = "9"
    & skf18("8","9","3","8","10","1","1") = "9"
    & skf18("8","9","3","8","10","2","1") = "9"
    & skf18("8","9","3","8","10","3","1") = "9"
    & skf18("8","9","3","8","10","4","1") = "9"
    & skf18("8","9","3","8","10","5","1") = "9"
    & skf18("8","9","3","8","10","6","1") = "9"
    & skf18("8","9","3","8","10","7","1") = "9"
    & skf18("8","9","3","8","10","8","1") = "9"
    & skf18("8","9","3","8","10","9","1") = "9"
    & skf18("8","9","3","8","10","10","1") = "9"
    & skf18("8","9","3","9","1","1","1") = "8"
    & skf18("8","9","3","9","1","2","1") = "8"
    & skf18("8","9","3","9","1","3","1") = "8"
    & skf18("8","9","3","9","1","4","1") = "8"
    & skf18("8","9","3","9","1","5","1") = "8"
    & skf18("8","9","3","9","1","6","1") = "8"
    & skf18("8","9","3","9","1","7","1") = "8"
    & skf18("8","9","3","9","1","8","1") = "8"
    & skf18("8","9","3","9","1","9","1") = "8"
    & skf18("8","9","3","9","1","10","1") = "9"
    & skf18("8","9","3","9","2","1","1") = "8"
    & skf18("8","9","3","9","2","2","1") = "8"
    & skf18("8","9","3","9","2","3","1") = "8"
    & skf18("8","9","3","9","2","4","1") = "8"
    & skf18("8","9","3","9","2","5","1") = "8"
    & skf18("8","9","3","9","2","6","1") = "8"
    & skf18("8","9","3","9","2","7","1") = "8"
    & skf18("8","9","3","9","2","8","1") = "8"
    & skf18("8","9","3","9","2","9","1") = "8"
    & skf18("8","9","3","9","2","10","1") = "9"
    & skf18("8","9","3","9","3","1","1") = "8"
    & skf18("8","9","3","9","3","2","1") = "8"
    & skf18("8","9","3","9","3","3","1") = "8"
    & skf18("8","9","3","9","3","4","1") = "8"
    & skf18("8","9","3","9","3","5","1") = "8"
    & skf18("8","9","3","9","3","6","1") = "8"
    & skf18("8","9","3","9","3","7","1") = "8"
    & skf18("8","9","3","9","3","8","1") = "8"
    & skf18("8","9","3","9","3","9","1") = "8"
    & skf18("8","9","3","9","3","10","1") = "9"
    & skf18("8","9","3","9","4","1","1") = "8"
    & skf18("8","9","3","9","4","2","1") = "8"
    & skf18("8","9","3","9","4","3","1") = "8"
    & skf18("8","9","3","9","4","4","1") = "8"
    & skf18("8","9","3","9","4","5","1") = "8"
    & skf18("8","9","3","9","4","6","1") = "8"
    & skf18("8","9","3","9","4","7","1") = "8"
    & skf18("8","9","3","9","4","8","1") = "8"
    & skf18("8","9","3","9","4","9","1") = "8"
    & skf18("8","9","3","9","4","10","1") = "9"
    & skf18("8","9","3","9","5","1","1") = "8"
    & skf18("8","9","3","9","5","2","1") = "8"
    & skf18("8","9","3","9","5","3","1") = "8"
    & skf18("8","9","3","9","5","4","1") = "8"
    & skf18("8","9","3","9","5","5","1") = "8"
    & skf18("8","9","3","9","5","6","1") = "8"
    & skf18("8","9","3","9","5","7","1") = "8"
    & skf18("8","9","3","9","5","8","1") = "8"
    & skf18("8","9","3","9","5","9","1") = "8"
    & skf18("8","9","3","9","5","10","1") = "9"
    & skf18("8","9","3","9","6","1","1") = "8"
    & skf18("8","9","3","9","6","2","1") = "8"
    & skf18("8","9","3","9","6","3","1") = "8"
    & skf18("8","9","3","9","6","4","1") = "8"
    & skf18("8","9","3","9","6","5","1") = "8"
    & skf18("8","9","3","9","6","6","1") = "8"
    & skf18("8","9","3","9","6","7","1") = "8"
    & skf18("8","9","3","9","6","8","1") = "8"
    & skf18("8","9","3","9","6","9","1") = "8"
    & skf18("8","9","3","9","6","10","1") = "9"
    & skf18("8","9","3","9","7","1","1") = "8"
    & skf18("8","9","3","9","7","2","1") = "8"
    & skf18("8","9","3","9","7","3","1") = "8"
    & skf18("8","9","3","9","7","4","1") = "8"
    & skf18("8","9","3","9","7","5","1") = "8"
    & skf18("8","9","3","9","7","6","1") = "8"
    & skf18("8","9","3","9","7","7","1") = "8"
    & skf18("8","9","3","9","7","8","1") = "8"
    & skf18("8","9","3","9","7","9","1") = "8"
    & skf18("8","9","3","9","7","10","1") = "9"
    & skf18("8","9","3","9","8","1","1") = "8"
    & skf18("8","9","3","9","8","2","1") = "8"
    & skf18("8","9","3","9","8","3","1") = "8"
    & skf18("8","9","3","9","8","4","1") = "8"
    & skf18("8","9","3","9","8","5","1") = "8"
    & skf18("8","9","3","9","8","6","1") = "8"
    & skf18("8","9","3","9","8","7","1") = "8"
    & skf18("8","9","3","9","8","8","1") = "8"
    & skf18("8","9","3","9","8","9","1") = "8"
    & skf18("8","9","3","9","8","10","1") = "9"
    & skf18("8","9","3","9","9","1","1") = "8"
    & skf18("8","9","3","9","9","2","1") = "8"
    & skf18("8","9","3","9","9","3","1") = "8"
    & skf18("8","9","3","9","9","4","1") = "8"
    & skf18("8","9","3","9","9","5","1") = "8"
    & skf18("8","9","3","9","9","6","1") = "8"
    & skf18("8","9","3","9","9","7","1") = "8"
    & skf18("8","9","3","9","9","8","1") = "8"
    & skf18("8","9","3","9","9","9","1") = "8"
    & skf18("8","9","3","9","9","10","1") = "9"
    & skf18("8","9","3","9","10","1","1") = "9"
    & skf18("8","9","3","9","10","2","1") = "9"
    & skf18("8","9","3","9","10","3","1") = "9"
    & skf18("8","9","3","9","10","4","1") = "9"
    & skf18("8","9","3","9","10","5","1") = "9"
    & skf18("8","9","3","9","10","6","1") = "9"
    & skf18("8","9","3","9","10","7","1") = "9"
    & skf18("8","9","3","9","10","8","1") = "9"
    & skf18("8","9","3","9","10","9","1") = "9"
    & skf18("8","9","3","9","10","10","1") = "9"
    & skf18("8","9","3","10","1","1","1") = "9"
    & skf18("8","9","3","10","1","2","1") = "9"
    & skf18("8","9","3","10","1","3","1") = "9"
    & skf18("8","9","3","10","1","4","1") = "9"
    & skf18("8","9","3","10","1","5","1") = "9"
    & skf18("8","9","3","10","1","6","1") = "9"
    & skf18("8","9","3","10","1","7","1") = "9"
    & skf18("8","9","3","10","1","8","1") = "9"
    & skf18("8","9","3","10","1","9","1") = "9"
    & skf18("8","9","3","10","1","10","1") = "9"
    & skf18("8","9","3","10","2","1","1") = "9"
    & skf18("8","9","3","10","2","2","1") = "9"
    & skf18("8","9","3","10","2","3","1") = "9"
    & skf18("8","9","3","10","2","4","1") = "9"
    & skf18("8","9","3","10","2","5","1") = "9"
    & skf18("8","9","3","10","2","6","1") = "9"
    & skf18("8","9","3","10","2","7","1") = "9"
    & skf18("8","9","3","10","2","8","1") = "9"
    & skf18("8","9","3","10","2","9","1") = "9"
    & skf18("8","9","3","10","2","10","1") = "9"
    & skf18("8","9","3","10","3","1","1") = "9"
    & skf18("8","9","3","10","3","2","1") = "9"
    & skf18("8","9","3","10","3","3","1") = "9"
    & skf18("8","9","3","10","3","4","1") = "9"
    & skf18("8","9","3","10","3","5","1") = "9"
    & skf18("8","9","3","10","3","6","1") = "9"
    & skf18("8","9","3","10","3","7","1") = "9"
    & skf18("8","9","3","10","3","8","1") = "9"
    & skf18("8","9","3","10","3","9","1") = "9"
    & skf18("8","9","3","10","3","10","1") = "9"
    & skf18("8","9","3","10","4","1","1") = "9"
    & skf18("8","9","3","10","4","2","1") = "9"
    & skf18("8","9","3","10","4","3","1") = "9"
    & skf18("8","9","3","10","4","4","1") = "9"
    & skf18("8","9","3","10","4","5","1") = "9"
    & skf18("8","9","3","10","4","6","1") = "9"
    & skf18("8","9","3","10","4","7","1") = "9"
    & skf18("8","9","3","10","4","8","1") = "9"
    & skf18("8","9","3","10","4","9","1") = "9"
    & skf18("8","9","3","10","4","10","1") = "9"
    & skf18("8","9","3","10","5","1","1") = "9"
    & skf18("8","9","3","10","5","2","1") = "9"
    & skf18("8","9","3","10","5","3","1") = "9"
    & skf18("8","9","3","10","5","4","1") = "9"
    & skf18("8","9","3","10","5","5","1") = "9"
    & skf18("8","9","3","10","5","6","1") = "9"
    & skf18("8","9","3","10","5","7","1") = "9"
    & skf18("8","9","3","10","5","8","1") = "9"
    & skf18("8","9","3","10","5","9","1") = "9"
    & skf18("8","9","3","10","5","10","1") = "9"
    & skf18("8","9","3","10","6","1","1") = "9"
    & skf18("8","9","3","10","6","2","1") = "9"
    & skf18("8","9","3","10","6","3","1") = "9"
    & skf18("8","9","3","10","6","4","1") = "9"
    & skf18("8","9","3","10","6","5","1") = "9"
    & skf18("8","9","3","10","6","6","1") = "9"
    & skf18("8","9","3","10","6","7","1") = "9"
    & skf18("8","9","3","10","6","8","1") = "9"
    & skf18("8","9","3","10","6","9","1") = "9"
    & skf18("8","9","3","10","6","10","1") = "9"
    & skf18("8","9","3","10","7","1","1") = "9"
    & skf18("8","9","3","10","7","2","1") = "9"
    & skf18("8","9","3","10","7","3","1") = "9"
    & skf18("8","9","3","10","7","4","1") = "9"
    & skf18("8","9","3","10","7","5","1") = "9"
    & skf18("8","9","3","10","7","6","1") = "9"
    & skf18("8","9","3","10","7","7","1") = "9"
    & skf18("8","9","3","10","7","8","1") = "9"
    & skf18("8","9","3","10","7","9","1") = "9"
    & skf18("8","9","3","10","7","10","1") = "9"
    & skf18("8","9","3","10","8","1","1") = "9"
    & skf18("8","9","3","10","8","2","1") = "9"
    & skf18("8","9","3","10","8","3","1") = "9"
    & skf18("8","9","3","10","8","4","1") = "9"
    & skf18("8","9","3","10","8","5","1") = "9"
    & skf18("8","9","3","10","8","6","1") = "9"
    & skf18("8","9","3","10","8","7","1") = "9"
    & skf18("8","9","3","10","8","8","1") = "9"
    & skf18("8","9","3","10","8","9","1") = "9"
    & skf18("8","9","3","10","8","10","1") = "9"
    & skf18("8","9","3","10","9","1","1") = "9"
    & skf18("8","9","3","10","9","2","1") = "9"
    & skf18("8","9","3","10","9","3","1") = "9"
    & skf18("8","9","3","10","9","4","1") = "9"
    & skf18("8","9","3","10","9","5","1") = "9"
    & skf18("8","9","3","10","9","6","1") = "9"
    & skf18("8","9","3","10","9","7","1") = "9"
    & skf18("8","9","3","10","9","8","1") = "9"
    & skf18("8","9","3","10","9","9","1") = "9"
    & skf18("8","9","3","10","9","10","1") = "9"
    & skf18("8","9","3","10","10","1","1") = "9"
    & skf18("8","9","3","10","10","2","1") = "9"
    & skf18("8","9","3","10","10","3","1") = "9"
    & skf18("8","9","3","10","10","4","1") = "9"
    & skf18("8","9","3","10","10","5","1") = "9"
    & skf18("8","9","3","10","10","6","1") = "9"
    & skf18("8","9","3","10","10","7","1") = "9"
    & skf18("8","9","3","10","10","8","1") = "9"
    & skf18("8","9","3","10","10","9","1") = "9"
    & skf18("8","9","3","10","10","10","1") = "9"
    & skf18("8","9","4","1","1","1","1") = "8"
    & skf18("8","9","4","1","1","2","1") = "8"
    & skf18("8","9","4","1","1","3","1") = "8"
    & skf18("8","9","4","1","1","4","1") = "8"
    & skf18("8","9","4","1","1","5","1") = "8"
    & skf18("8","9","4","1","1","6","1") = "8"
    & skf18("8","9","4","1","1","7","1") = "8"
    & skf18("8","9","4","1","1","8","1") = "8"
    & skf18("8","9","4","1","1","9","1") = "8"
    & skf18("8","9","4","1","1","10","1") = "9"
    & skf18("8","9","4","1","2","1","1") = "8"
    & skf18("8","9","4","1","2","2","1") = "8"
    & skf18("8","9","4","1","2","3","1") = "8"
    & skf18("8","9","4","1","2","4","1") = "8"
    & skf18("8","9","4","1","2","5","1") = "8"
    & skf18("8","9","4","1","2","6","1") = "8"
    & skf18("8","9","4","1","2","7","1") = "8"
    & skf18("8","9","4","1","2","8","1") = "8"
    & skf18("8","9","4","1","2","9","1") = "8"
    & skf18("8","9","4","1","2","10","1") = "9"
    & skf18("8","9","4","1","3","1","1") = "8"
    & skf18("8","9","4","1","3","2","1") = "8"
    & skf18("8","9","4","1","3","3","1") = "8"
    & skf18("8","9","4","1","3","4","1") = "8"
    & skf18("8","9","4","1","3","5","1") = "8"
    & skf18("8","9","4","1","3","6","1") = "8"
    & skf18("8","9","4","1","3","7","1") = "8"
    & skf18("8","9","4","1","3","8","1") = "8"
    & skf18("8","9","4","1","3","9","1") = "8"
    & skf18("8","9","4","1","3","10","1") = "9"
    & skf18("8","9","4","1","4","1","1") = "8"
    & skf18("8","9","4","1","4","2","1") = "8"
    & skf18("8","9","4","1","4","3","1") = "8"
    & skf18("8","9","4","1","4","4","1") = "8"
    & skf18("8","9","4","1","4","5","1") = "8"
    & skf18("8","9","4","1","4","6","1") = "8"
    & skf18("8","9","4","1","4","7","1") = "8"
    & skf18("8","9","4","1","4","8","1") = "8"
    & skf18("8","9","4","1","4","9","1") = "8"
    & skf18("8","9","4","1","4","10","1") = "9"
    & skf18("8","9","4","1","5","1","1") = "8"
    & skf18("8","9","4","1","5","2","1") = "8"
    & skf18("8","9","4","1","5","3","1") = "8"
    & skf18("8","9","4","1","5","4","1") = "8"
    & skf18("8","9","4","1","5","5","1") = "8"
    & skf18("8","9","4","1","5","6","1") = "8"
    & skf18("8","9","4","1","5","7","1") = "8"
    & skf18("8","9","4","1","5","8","1") = "8"
    & skf18("8","9","4","1","5","9","1") = "8"
    & skf18("8","9","4","1","5","10","1") = "9"
    & skf18("8","9","4","1","6","1","1") = "8"
    & skf18("8","9","4","1","6","2","1") = "8"
    & skf18("8","9","4","1","6","3","1") = "8"
    & skf18("8","9","4","1","6","4","1") = "8"
    & skf18("8","9","4","1","6","5","1") = "8"
    & skf18("8","9","4","1","6","6","1") = "8"
    & skf18("8","9","4","1","6","7","1") = "8"
    & skf18("8","9","4","1","6","8","1") = "8"
    & skf18("8","9","4","1","6","9","1") = "8"
    & skf18("8","9","4","1","6","10","1") = "9"
    & skf18("8","9","4","1","7","1","1") = "8"
    & skf18("8","9","4","1","7","2","1") = "8"
    & skf18("8","9","4","1","7","3","1") = "8"
    & skf18("8","9","4","1","7","4","1") = "8"
    & skf18("8","9","4","1","7","5","1") = "8"
    & skf18("8","9","4","1","7","6","1") = "8"
    & skf18("8","9","4","1","7","7","1") = "8"
    & skf18("8","9","4","1","7","8","1") = "8"
    & skf18("8","9","4","1","7","9","1") = "8"
    & skf18("8","9","4","1","7","10","1") = "9"
    & skf18("8","9","4","1","8","1","1") = "8"
    & skf18("8","9","4","1","8","2","1") = "8"
    & skf18("8","9","4","1","8","3","1") = "8"
    & skf18("8","9","4","1","8","4","1") = "8"
    & skf18("8","9","4","1","8","5","1") = "8"
    & skf18("8","9","4","1","8","6","1") = "8"
    & skf18("8","9","4","1","8","7","1") = "8"
    & skf18("8","9","4","1","8","8","1") = "8"
    & skf18("8","9","4","1","8","9","1") = "8"
    & skf18("8","9","4","1","8","10","1") = "9"
    & skf18("8","9","4","1","9","1","1") = "8"
    & skf18("8","9","4","1","9","2","1") = "8"
    & skf18("8","9","4","1","9","3","1") = "8"
    & skf18("8","9","4","1","9","4","1") = "8"
    & skf18("8","9","4","1","9","5","1") = "8"
    & skf18("8","9","4","1","9","6","1") = "8"
    & skf18("8","9","4","1","9","7","1") = "8"
    & skf18("8","9","4","1","9","8","1") = "8"
    & skf18("8","9","4","1","9","9","1") = "8"
    & skf18("8","9","4","1","9","10","1") = "9"
    & skf18("8","9","4","1","10","1","1") = "9"
    & skf18("8","9","4","1","10","2","1") = "9"
    & skf18("8","9","4","1","10","3","1") = "9"
    & skf18("8","9","4","1","10","4","1") = "9"
    & skf18("8","9","4","1","10","5","1") = "9"
    & skf18("8","9","4","1","10","6","1") = "9"
    & skf18("8","9","4","1","10","7","1") = "9"
    & skf18("8","9","4","1","10","8","1") = "9"
    & skf18("8","9","4","1","10","9","1") = "9"
    & skf18("8","9","4","1","10","10","1") = "9"
    & skf18("8","9","4","2","1","1","1") = "8"
    & skf18("8","9","4","2","1","2","1") = "8"
    & skf18("8","9","4","2","1","3","1") = "8"
    & skf18("8","9","4","2","1","4","1") = "8"
    & skf18("8","9","4","2","1","5","1") = "8"
    & skf18("8","9","4","2","1","6","1") = "8"
    & skf18("8","9","4","2","1","7","1") = "8"
    & skf18("8","9","4","2","1","8","1") = "8"
    & skf18("8","9","4","2","1","9","1") = "8"
    & skf18("8","9","4","2","1","10","1") = "9"
    & skf18("8","9","4","2","2","1","1") = "8"
    & skf18("8","9","4","2","2","2","1") = "8"
    & skf18("8","9","4","2","2","3","1") = "8"
    & skf18("8","9","4","2","2","4","1") = "8"
    & skf18("8","9","4","2","2","5","1") = "8"
    & skf18("8","9","4","2","2","6","1") = "8"
    & skf18("8","9","4","2","2","7","1") = "8"
    & skf18("8","9","4","2","2","8","1") = "8"
    & skf18("8","9","4","2","2","9","1") = "8"
    & skf18("8","9","4","2","2","10","1") = "9"
    & skf18("8","9","4","2","3","1","1") = "8"
    & skf18("8","9","4","2","3","2","1") = "8"
    & skf18("8","9","4","2","3","3","1") = "8"
    & skf18("8","9","4","2","3","4","1") = "8"
    & skf18("8","9","4","2","3","5","1") = "8"
    & skf18("8","9","4","2","3","6","1") = "8"
    & skf18("8","9","4","2","3","7","1") = "8"
    & skf18("8","9","4","2","3","8","1") = "8"
    & skf18("8","9","4","2","3","9","1") = "8"
    & skf18("8","9","4","2","3","10","1") = "9"
    & skf18("8","9","4","2","4","1","1") = "8"
    & skf18("8","9","4","2","4","2","1") = "8"
    & skf18("8","9","4","2","4","3","1") = "8"
    & skf18("8","9","4","2","4","4","1") = "8"
    & skf18("8","9","4","2","4","5","1") = "8"
    & skf18("8","9","4","2","4","6","1") = "8"
    & skf18("8","9","4","2","4","7","1") = "8"
    & skf18("8","9","4","2","4","8","1") = "8"
    & skf18("8","9","4","2","4","9","1") = "8"
    & skf18("8","9","4","2","4","10","1") = "9"
    & skf18("8","9","4","2","5","1","1") = "8"
    & skf18("8","9","4","2","5","2","1") = "8"
    & skf18("8","9","4","2","5","3","1") = "8"
    & skf18("8","9","4","2","5","4","1") = "8"
    & skf18("8","9","4","2","5","5","1") = "8"
    & skf18("8","9","4","2","5","6","1") = "8"
    & skf18("8","9","4","2","5","7","1") = "8"
    & skf18("8","9","4","2","5","8","1") = "8"
    & skf18("8","9","4","2","5","9","1") = "8"
    & skf18("8","9","4","2","5","10","1") = "9"
    & skf18("8","9","4","2","6","1","1") = "8"
    & skf18("8","9","4","2","6","2","1") = "8"
    & skf18("8","9","4","2","6","3","1") = "8"
    & skf18("8","9","4","2","6","4","1") = "8"
    & skf18("8","9","4","2","6","5","1") = "8"
    & skf18("8","9","4","2","6","6","1") = "8"
    & skf18("8","9","4","2","6","7","1") = "8"
    & skf18("8","9","4","2","6","8","1") = "8"
    & skf18("8","9","4","2","6","9","1") = "8"
    & skf18("8","9","4","2","6","10","1") = "9"
    & skf18("8","9","4","2","7","1","1") = "8"
    & skf18("8","9","4","2","7","2","1") = "8"
    & skf18("8","9","4","2","7","3","1") = "8"
    & skf18("8","9","4","2","7","4","1") = "8"
    & skf18("8","9","4","2","7","5","1") = "8"
    & skf18("8","9","4","2","7","6","1") = "8"
    & skf18("8","9","4","2","7","7","1") = "8"
    & skf18("8","9","4","2","7","8","1") = "8"
    & skf18("8","9","4","2","7","9","1") = "8"
    & skf18("8","9","4","2","7","10","1") = "9"
    & skf18("8","9","4","2","8","1","1") = "8"
    & skf18("8","9","4","2","8","2","1") = "8"
    & skf18("8","9","4","2","8","3","1") = "8"
    & skf18("8","9","4","2","8","4","1") = "8"
    & skf18("8","9","4","2","8","5","1") = "8"
    & skf18("8","9","4","2","8","6","1") = "8"
    & skf18("8","9","4","2","8","7","1") = "8"
    & skf18("8","9","4","2","8","8","1") = "8"
    & skf18("8","9","4","2","8","9","1") = "8"
    & skf18("8","9","4","2","8","10","1") = "9"
    & skf18("8","9","4","2","9","1","1") = "8"
    & skf18("8","9","4","2","9","2","1") = "8"
    & skf18("8","9","4","2","9","3","1") = "8"
    & skf18("8","9","4","2","9","4","1") = "8"
    & skf18("8","9","4","2","9","5","1") = "8"
    & skf18("8","9","4","2","9","6","1") = "8"
    & skf18("8","9","4","2","9","7","1") = "8"
    & skf18("8","9","4","2","9","8","1") = "8"
    & skf18("8","9","4","2","9","9","1") = "8"
    & skf18("8","9","4","2","9","10","1") = "9"
    & skf18("8","9","4","2","10","1","1") = "9"
    & skf18("8","9","4","2","10","2","1") = "9"
    & skf18("8","9","4","2","10","3","1") = "9"
    & skf18("8","9","4","2","10","4","1") = "9"
    & skf18("8","9","4","2","10","5","1") = "9"
    & skf18("8","9","4","2","10","6","1") = "9"
    & skf18("8","9","4","2","10","7","1") = "9"
    & skf18("8","9","4","2","10","8","1") = "9"
    & skf18("8","9","4","2","10","9","1") = "9"
    & skf18("8","9","4","2","10","10","1") = "9"
    & skf18("8","9","4","3","1","1","1") = "8"
    & skf18("8","9","4","3","1","2","1") = "8"
    & skf18("8","9","4","3","1","3","1") = "8"
    & skf18("8","9","4","3","1","4","1") = "8"
    & skf18("8","9","4","3","1","5","1") = "8"
    & skf18("8","9","4","3","1","6","1") = "8"
    & skf18("8","9","4","3","1","7","1") = "8"
    & skf18("8","9","4","3","1","8","1") = "8"
    & skf18("8","9","4","3","1","9","1") = "8"
    & skf18("8","9","4","3","1","10","1") = "9"
    & skf18("8","9","4","3","2","1","1") = "8"
    & skf18("8","9","4","3","2","2","1") = "8"
    & skf18("8","9","4","3","2","3","1") = "8"
    & skf18("8","9","4","3","2","4","1") = "8"
    & skf18("8","9","4","3","2","5","1") = "8"
    & skf18("8","9","4","3","2","6","1") = "8"
    & skf18("8","9","4","3","2","7","1") = "8"
    & skf18("8","9","4","3","2","8","1") = "8"
    & skf18("8","9","4","3","2","9","1") = "8"
    & skf18("8","9","4","3","2","10","1") = "9"
    & skf18("8","9","4","3","3","1","1") = "8"
    & skf18("8","9","4","3","3","2","1") = "8"
    & skf18("8","9","4","3","3","3","1") = "8"
    & skf18("8","9","4","3","3","4","1") = "8"
    & skf18("8","9","4","3","3","5","1") = "8"
    & skf18("8","9","4","3","3","6","1") = "8"
    & skf18("8","9","4","3","3","7","1") = "8"
    & skf18("8","9","4","3","3","8","1") = "8"
    & skf18("8","9","4","3","3","9","1") = "8"
    & skf18("8","9","4","3","3","10","1") = "9"
    & skf18("8","9","4","3","4","1","1") = "8"
    & skf18("8","9","4","3","4","2","1") = "8"
    & skf18("8","9","4","3","4","3","1") = "8"
    & skf18("8","9","4","3","4","4","1") = "8"
    & skf18("8","9","4","3","4","5","1") = "8"
    & skf18("8","9","4","3","4","6","1") = "8"
    & skf18("8","9","4","3","4","7","1") = "8"
    & skf18("8","9","4","3","4","8","1") = "8"
    & skf18("8","9","4","3","4","9","1") = "8"
    & skf18("8","9","4","3","4","10","1") = "9"
    & skf18("8","9","4","3","5","1","1") = "8"
    & skf18("8","9","4","3","5","2","1") = "8"
    & skf18("8","9","4","3","5","3","1") = "8"
    & skf18("8","9","4","3","5","4","1") = "8"
    & skf18("8","9","4","3","5","5","1") = "8"
    & skf18("8","9","4","3","5","6","1") = "8"
    & skf18("8","9","4","3","5","7","1") = "8"
    & skf18("8","9","4","3","5","8","1") = "8"
    & skf18("8","9","4","3","5","9","1") = "8"
    & skf18("8","9","4","3","5","10","1") = "9"
    & skf18("8","9","4","3","6","1","1") = "8"
    & skf18("8","9","4","3","6","2","1") = "8"
    & skf18("8","9","4","3","6","3","1") = "8"
    & skf18("8","9","4","3","6","4","1") = "8"
    & skf18("8","9","4","3","6","5","1") = "8"
    & skf18("8","9","4","3","6","6","1") = "8"
    & skf18("8","9","4","3","6","7","1") = "8"
    & skf18("8","9","4","3","6","8","1") = "8"
    & skf18("8","9","4","3","6","9","1") = "8"
    & skf18("8","9","4","3","6","10","1") = "9"
    & skf18("8","9","4","3","7","1","1") = "8"
    & skf18("8","9","4","3","7","2","1") = "8"
    & skf18("8","9","4","3","7","3","1") = "8"
    & skf18("8","9","4","3","7","4","1") = "8"
    & skf18("8","9","4","3","7","5","1") = "8"
    & skf18("8","9","4","3","7","6","1") = "8"
    & skf18("8","9","4","3","7","7","1") = "8"
    & skf18("8","9","4","3","7","8","1") = "8"
    & skf18("8","9","4","3","7","9","1") = "8"
    & skf18("8","9","4","3","7","10","1") = "9"
    & skf18("8","9","4","3","8","1","1") = "8"
    & skf18("8","9","4","3","8","2","1") = "8"
    & skf18("8","9","4","3","8","3","1") = "8"
    & skf18("8","9","4","3","8","4","1") = "8"
    & skf18("8","9","4","3","8","5","1") = "8"
    & skf18("8","9","4","3","8","6","1") = "8"
    & skf18("8","9","4","3","8","7","1") = "8"
    & skf18("8","9","4","3","8","8","1") = "8"
    & skf18("8","9","4","3","8","9","1") = "8"
    & skf18("8","9","4","3","8","10","1") = "9"
    & skf18("8","9","4","3","9","1","1") = "8"
    & skf18("8","9","4","3","9","2","1") = "8"
    & skf18("8","9","4","3","9","3","1") = "8"
    & skf18("8","9","4","3","9","4","1") = "8"
    & skf18("8","9","4","3","9","5","1") = "8"
    & skf18("8","9","4","3","9","6","1") = "8"
    & skf18("8","9","4","3","9","7","1") = "8"
    & skf18("8","9","4","3","9","8","1") = "8"
    & skf18("8","9","4","3","9","9","1") = "8"
    & skf18("8","9","4","3","9","10","1") = "9"
    & skf18("8","9","4","3","10","1","1") = "9"
    & skf18("8","9","4","3","10","2","1") = "9"
    & skf18("8","9","4","3","10","3","1") = "9"
    & skf18("8","9","4","3","10","4","1") = "9"
    & skf18("8","9","4","3","10","5","1") = "9"
    & skf18("8","9","4","3","10","6","1") = "9"
    & skf18("8","9","4","3","10","7","1") = "9"
    & skf18("8","9","4","3","10","8","1") = "9"
    & skf18("8","9","4","3","10","9","1") = "9"
    & skf18("8","9","4","3","10","10","1") = "9"
    & skf18("8","9","4","4","1","1","1") = "8"
    & skf18("8","9","4","4","1","2","1") = "8"
    & skf18("8","9","4","4","1","3","1") = "8"
    & skf18("8","9","4","4","1","4","1") = "8"
    & skf18("8","9","4","4","1","5","1") = "8"
    & skf18("8","9","4","4","1","6","1") = "8"
    & skf18("8","9","4","4","1","7","1") = "8"
    & skf18("8","9","4","4","1","8","1") = "8"
    & skf18("8","9","4","4","1","9","1") = "8"
    & skf18("8","9","4","4","1","10","1") = "9"
    & skf18("8","9","4","4","2","1","1") = "8"
    & skf18("8","9","4","4","2","2","1") = "8"
    & skf18("8","9","4","4","2","3","1") = "8"
    & skf18("8","9","4","4","2","4","1") = "8"
    & skf18("8","9","4","4","2","5","1") = "8"
    & skf18("8","9","4","4","2","6","1") = "8"
    & skf18("8","9","4","4","2","7","1") = "8"
    & skf18("8","9","4","4","2","8","1") = "8"
    & skf18("8","9","4","4","2","9","1") = "8"
    & skf18("8","9","4","4","2","10","1") = "9"
    & skf18("8","9","4","4","3","1","1") = "8"
    & skf18("8","9","4","4","3","2","1") = "8"
    & skf18("8","9","4","4","3","3","1") = "8"
    & skf18("8","9","4","4","3","4","1") = "8"
    & skf18("8","9","4","4","3","5","1") = "8"
    & skf18("8","9","4","4","3","6","1") = "8"
    & skf18("8","9","4","4","3","7","1") = "8"
    & skf18("8","9","4","4","3","8","1") = "8"
    & skf18("8","9","4","4","3","9","1") = "8"
    & skf18("8","9","4","4","3","10","1") = "9"
    & skf18("8","9","4","4","4","1","1") = "8"
    & skf18("8","9","4","4","4","2","1") = "8"
    & skf18("8","9","4","4","4","3","1") = "8"
    & skf18("8","9","4","4","4","4","1") = "8"
    & skf18("8","9","4","4","4","5","1") = "8"
    & skf18("8","9","4","4","4","6","1") = "8"
    & skf18("8","9","4","4","4","7","1") = "8"
    & skf18("8","9","4","4","4","8","1") = "8"
    & skf18("8","9","4","4","4","9","1") = "8"
    & skf18("8","9","4","4","4","10","1") = "9"
    & skf18("8","9","4","4","5","1","1") = "8"
    & skf18("8","9","4","4","5","2","1") = "8"
    & skf18("8","9","4","4","5","3","1") = "8"
    & skf18("8","9","4","4","5","4","1") = "8"
    & skf18("8","9","4","4","5","5","1") = "8"
    & skf18("8","9","4","4","5","6","1") = "8"
    & skf18("8","9","4","4","5","7","1") = "8"
    & skf18("8","9","4","4","5","8","1") = "8"
    & skf18("8","9","4","4","5","9","1") = "8"
    & skf18("8","9","4","4","5","10","1") = "9"
    & skf18("8","9","4","4","6","1","1") = "8"
    & skf18("8","9","4","4","6","2","1") = "8"
    & skf18("8","9","4","4","6","3","1") = "8"
    & skf18("8","9","4","4","6","4","1") = "8"
    & skf18("8","9","4","4","6","5","1") = "8"
    & skf18("8","9","4","4","6","6","1") = "8"
    & skf18("8","9","4","4","6","7","1") = "8"
    & skf18("8","9","4","4","6","8","1") = "8"
    & skf18("8","9","4","4","6","9","1") = "8"
    & skf18("8","9","4","4","6","10","1") = "9"
    & skf18("8","9","4","4","7","1","1") = "8"
    & skf18("8","9","4","4","7","2","1") = "8"
    & skf18("8","9","4","4","7","3","1") = "8"
    & skf18("8","9","4","4","7","4","1") = "8"
    & skf18("8","9","4","4","7","5","1") = "8"
    & skf18("8","9","4","4","7","6","1") = "8"
    & skf18("8","9","4","4","7","7","1") = "8"
    & skf18("8","9","4","4","7","8","1") = "8"
    & skf18("8","9","4","4","7","9","1") = "8"
    & skf18("8","9","4","4","7","10","1") = "9"
    & skf18("8","9","4","4","8","1","1") = "8"
    & skf18("8","9","4","4","8","2","1") = "8"
    & skf18("8","9","4","4","8","3","1") = "8"
    & skf18("8","9","4","4","8","4","1") = "8"
    & skf18("8","9","4","4","8","5","1") = "8"
    & skf18("8","9","4","4","8","6","1") = "8"
    & skf18("8","9","4","4","8","7","1") = "8"
    & skf18("8","9","4","4","8","8","1") = "8"
    & skf18("8","9","4","4","8","9","1") = "8"
    & skf18("8","9","4","4","8","10","1") = "9"
    & skf18("8","9","4","4","9","1","1") = "8"
    & skf18("8","9","4","4","9","2","1") = "8"
    & skf18("8","9","4","4","9","3","1") = "8"
    & skf18("8","9","4","4","9","4","1") = "8"
    & skf18("8","9","4","4","9","5","1") = "8"
    & skf18("8","9","4","4","9","6","1") = "8"
    & skf18("8","9","4","4","9","7","1") = "8"
    & skf18("8","9","4","4","9","8","1") = "8"
    & skf18("8","9","4","4","9","9","1") = "8"
    & skf18("8","9","4","4","9","10","1") = "9"
    & skf18("8","9","4","4","10","1","1") = "9"
    & skf18("8","9","4","4","10","2","1") = "9"
    & skf18("8","9","4","4","10","3","1") = "9"
    & skf18("8","9","4","4","10","4","1") = "9"
    & skf18("8","9","4","4","10","5","1") = "9"
    & skf18("8","9","4","4","10","6","1") = "9"
    & skf18("8","9","4","4","10","7","1") = "9"
    & skf18("8","9","4","4","10","8","1") = "9"
    & skf18("8","9","4","4","10","9","1") = "9"
    & skf18("8","9","4","4","10","10","1") = "9"
    & skf18("8","9","4","5","1","1","1") = "8"
    & skf18("8","9","4","5","1","2","1") = "8"
    & skf18("8","9","4","5","1","3","1") = "8"
    & skf18("8","9","4","5","1","4","1") = "8"
    & skf18("8","9","4","5","1","5","1") = "8"
    & skf18("8","9","4","5","1","6","1") = "8"
    & skf18("8","9","4","5","1","7","1") = "8"
    & skf18("8","9","4","5","1","8","1") = "8"
    & skf18("8","9","4","5","1","9","1") = "8"
    & skf18("8","9","4","5","1","10","1") = "9"
    & skf18("8","9","4","5","2","1","1") = "8"
    & skf18("8","9","4","5","2","2","1") = "8"
    & skf18("8","9","4","5","2","3","1") = "8"
    & skf18("8","9","4","5","2","4","1") = "8"
    & skf18("8","9","4","5","2","5","1") = "8"
    & skf18("8","9","4","5","2","6","1") = "8"
    & skf18("8","9","4","5","2","7","1") = "8"
    & skf18("8","9","4","5","2","8","1") = "8"
    & skf18("8","9","4","5","2","9","1") = "8"
    & skf18("8","9","4","5","2","10","1") = "9"
    & skf18("8","9","4","5","3","1","1") = "8"
    & skf18("8","9","4","5","3","2","1") = "8"
    & skf18("8","9","4","5","3","3","1") = "8"
    & skf18("8","9","4","5","3","4","1") = "8"
    & skf18("8","9","4","5","3","5","1") = "8"
    & skf18("8","9","4","5","3","6","1") = "8"
    & skf18("8","9","4","5","3","7","1") = "8"
    & skf18("8","9","4","5","3","8","1") = "8"
    & skf18("8","9","4","5","3","9","1") = "8"
    & skf18("8","9","4","5","3","10","1") = "9"
    & skf18("8","9","4","5","4","1","1") = "8"
    & skf18("8","9","4","5","4","2","1") = "8"
    & skf18("8","9","4","5","4","3","1") = "8"
    & skf18("8","9","4","5","4","4","1") = "8"
    & skf18("8","9","4","5","4","5","1") = "8"
    & skf18("8","9","4","5","4","6","1") = "8"
    & skf18("8","9","4","5","4","7","1") = "8"
    & skf18("8","9","4","5","4","8","1") = "8"
    & skf18("8","9","4","5","4","9","1") = "8"
    & skf18("8","9","4","5","4","10","1") = "9"
    & skf18("8","9","4","5","5","1","1") = "8"
    & skf18("8","9","4","5","5","2","1") = "8"
    & skf18("8","9","4","5","5","3","1") = "8"
    & skf18("8","9","4","5","5","4","1") = "8"
    & skf18("8","9","4","5","5","5","1") = "8"
    & skf18("8","9","4","5","5","6","1") = "8"
    & skf18("8","9","4","5","5","7","1") = "8"
    & skf18("8","9","4","5","5","8","1") = "8"
    & skf18("8","9","4","5","5","9","1") = "8"
    & skf18("8","9","4","5","5","10","1") = "9"
    & skf18("8","9","4","5","6","1","1") = "8"
    & skf18("8","9","4","5","6","2","1") = "8"
    & skf18("8","9","4","5","6","3","1") = "8"
    & skf18("8","9","4","5","6","4","1") = "8"
    & skf18("8","9","4","5","6","5","1") = "8"
    & skf18("8","9","4","5","6","6","1") = "8"
    & skf18("8","9","4","5","6","7","1") = "8"
    & skf18("8","9","4","5","6","8","1") = "8"
    & skf18("8","9","4","5","6","9","1") = "8"
    & skf18("8","9","4","5","6","10","1") = "9"
    & skf18("8","9","4","5","7","1","1") = "8"
    & skf18("8","9","4","5","7","2","1") = "8"
    & skf18("8","9","4","5","7","3","1") = "8"
    & skf18("8","9","4","5","7","4","1") = "8"
    & skf18("8","9","4","5","7","5","1") = "8"
    & skf18("8","9","4","5","7","6","1") = "8"
    & skf18("8","9","4","5","7","7","1") = "8"
    & skf18("8","9","4","5","7","8","1") = "8"
    & skf18("8","9","4","5","7","9","1") = "8"
    & skf18("8","9","4","5","7","10","1") = "9"
    & skf18("8","9","4","5","8","1","1") = "8"
    & skf18("8","9","4","5","8","2","1") = "8"
    & skf18("8","9","4","5","8","3","1") = "8"
    & skf18("8","9","4","5","8","4","1") = "8"
    & skf18("8","9","4","5","8","5","1") = "8"
    & skf18("8","9","4","5","8","6","1") = "8"
    & skf18("8","9","4","5","8","7","1") = "8"
    & skf18("8","9","4","5","8","8","1") = "8"
    & skf18("8","9","4","5","8","9","1") = "8"
    & skf18("8","9","4","5","8","10","1") = "9"
    & skf18("8","9","4","5","9","1","1") = "8"
    & skf18("8","9","4","5","9","2","1") = "8"
    & skf18("8","9","4","5","9","3","1") = "8"
    & skf18("8","9","4","5","9","4","1") = "8"
    & skf18("8","9","4","5","9","5","1") = "8"
    & skf18("8","9","4","5","9","6","1") = "8"
    & skf18("8","9","4","5","9","7","1") = "8"
    & skf18("8","9","4","5","9","8","1") = "8"
    & skf18("8","9","4","5","9","9","1") = "8"
    & skf18("8","9","4","5","9","10","1") = "9"
    & skf18("8","9","4","5","10","1","1") = "9"
    & skf18("8","9","4","5","10","2","1") = "9"
    & skf18("8","9","4","5","10","3","1") = "9"
    & skf18("8","9","4","5","10","4","1") = "9"
    & skf18("8","9","4","5","10","5","1") = "9"
    & skf18("8","9","4","5","10","6","1") = "9"
    & skf18("8","9","4","5","10","7","1") = "9"
    & skf18("8","9","4","5","10","8","1") = "9"
    & skf18("8","9","4","5","10","9","1") = "9"
    & skf18("8","9","4","5","10","10","1") = "9"
    & skf18("8","9","4","6","1","1","1") = "8"
    & skf18("8","9","4","6","1","2","1") = "8"
    & skf18("8","9","4","6","1","3","1") = "8"
    & skf18("8","9","4","6","1","4","1") = "8"
    & skf18("8","9","4","6","1","5","1") = "8"
    & skf18("8","9","4","6","1","6","1") = "8"
    & skf18("8","9","4","6","1","7","1") = "8"
    & skf18("8","9","4","6","1","8","1") = "8"
    & skf18("8","9","4","6","1","9","1") = "8"
    & skf18("8","9","4","6","1","10","1") = "9"
    & skf18("8","9","4","6","2","1","1") = "8"
    & skf18("8","9","4","6","2","2","1") = "8"
    & skf18("8","9","4","6","2","3","1") = "8"
    & skf18("8","9","4","6","2","4","1") = "8"
    & skf18("8","9","4","6","2","5","1") = "8"
    & skf18("8","9","4","6","2","6","1") = "8"
    & skf18("8","9","4","6","2","7","1") = "8"
    & skf18("8","9","4","6","2","8","1") = "8"
    & skf18("8","9","4","6","2","9","1") = "8"
    & skf18("8","9","4","6","2","10","1") = "9"
    & skf18("8","9","4","6","3","1","1") = "8"
    & skf18("8","9","4","6","3","2","1") = "8"
    & skf18("8","9","4","6","3","3","1") = "8"
    & skf18("8","9","4","6","3","4","1") = "8"
    & skf18("8","9","4","6","3","5","1") = "8"
    & skf18("8","9","4","6","3","6","1") = "8"
    & skf18("8","9","4","6","3","7","1") = "8"
    & skf18("8","9","4","6","3","8","1") = "8"
    & skf18("8","9","4","6","3","9","1") = "8"
    & skf18("8","9","4","6","3","10","1") = "9"
    & skf18("8","9","4","6","4","1","1") = "8"
    & skf18("8","9","4","6","4","2","1") = "8"
    & skf18("8","9","4","6","4","3","1") = "8"
    & skf18("8","9","4","6","4","4","1") = "8"
    & skf18("8","9","4","6","4","5","1") = "8"
    & skf18("8","9","4","6","4","6","1") = "8"
    & skf18("8","9","4","6","4","7","1") = "8"
    & skf18("8","9","4","6","4","8","1") = "8"
    & skf18("8","9","4","6","4","9","1") = "8"
    & skf18("8","9","4","6","4","10","1") = "9"
    & skf18("8","9","4","6","5","1","1") = "8"
    & skf18("8","9","4","6","5","2","1") = "8"
    & skf18("8","9","4","6","5","3","1") = "8"
    & skf18("8","9","4","6","5","4","1") = "8"
    & skf18("8","9","4","6","5","5","1") = "8"
    & skf18("8","9","4","6","5","6","1") = "8"
    & skf18("8","9","4","6","5","7","1") = "8"
    & skf18("8","9","4","6","5","8","1") = "8"
    & skf18("8","9","4","6","5","9","1") = "8"
    & skf18("8","9","4","6","5","10","1") = "9"
    & skf18("8","9","4","6","6","1","1") = "8"
    & skf18("8","9","4","6","6","2","1") = "8"
    & skf18("8","9","4","6","6","3","1") = "8"
    & skf18("8","9","4","6","6","4","1") = "8"
    & skf18("8","9","4","6","6","5","1") = "8"
    & skf18("8","9","4","6","6","6","1") = "8"
    & skf18("8","9","4","6","6","7","1") = "8"
    & skf18("8","9","4","6","6","8","1") = "8"
    & skf18("8","9","4","6","6","9","1") = "8"
    & skf18("8","9","4","6","6","10","1") = "9"
    & skf18("8","9","4","6","7","1","1") = "8"
    & skf18("8","9","4","6","7","2","1") = "8"
    & skf18("8","9","4","6","7","3","1") = "8"
    & skf18("8","9","4","6","7","4","1") = "8"
    & skf18("8","9","4","6","7","5","1") = "8"
    & skf18("8","9","4","6","7","6","1") = "8"
    & skf18("8","9","4","6","7","7","1") = "8"
    & skf18("8","9","4","6","7","8","1") = "8"
    & skf18("8","9","4","6","7","9","1") = "8"
    & skf18("8","9","4","6","7","10","1") = "9"
    & skf18("8","9","4","6","8","1","1") = "8"
    & skf18("8","9","4","6","8","2","1") = "8"
    & skf18("8","9","4","6","8","3","1") = "8"
    & skf18("8","9","4","6","8","4","1") = "8"
    & skf18("8","9","4","6","8","5","1") = "8"
    & skf18("8","9","4","6","8","6","1") = "8"
    & skf18("8","9","4","6","8","7","1") = "8"
    & skf18("8","9","4","6","8","8","1") = "8"
    & skf18("8","9","4","6","8","9","1") = "8"
    & skf18("8","9","4","6","8","10","1") = "9"
    & skf18("8","9","4","6","9","1","1") = "8"
    & skf18("8","9","4","6","9","2","1") = "8"
    & skf18("8","9","4","6","9","3","1") = "8"
    & skf18("8","9","4","6","9","4","1") = "8"
    & skf18("8","9","4","6","9","5","1") = "8"
    & skf18("8","9","4","6","9","6","1") = "8"
    & skf18("8","9","4","6","9","7","1") = "8"
    & skf18("8","9","4","6","9","8","1") = "8"
    & skf18("8","9","4","6","9","9","1") = "8"
    & skf18("8","9","4","6","9","10","1") = "9"
    & skf18("8","9","4","6","10","1","1") = "9"
    & skf18("8","9","4","6","10","2","1") = "9"
    & skf18("8","9","4","6","10","3","1") = "9"
    & skf18("8","9","4","6","10","4","1") = "9"
    & skf18("8","9","4","6","10","5","1") = "9"
    & skf18("8","9","4","6","10","6","1") = "9"
    & skf18("8","9","4","6","10","7","1") = "9"
    & skf18("8","9","4","6","10","8","1") = "9"
    & skf18("8","9","4","6","10","9","1") = "9"
    & skf18("8","9","4","6","10","10","1") = "9"
    & skf18("8","9","4","7","1","1","1") = "8"
    & skf18("8","9","4","7","1","2","1") = "8"
    & skf18("8","9","4","7","1","3","1") = "8"
    & skf18("8","9","4","7","1","4","1") = "8"
    & skf18("8","9","4","7","1","5","1") = "8"
    & skf18("8","9","4","7","1","6","1") = "8"
    & skf18("8","9","4","7","1","7","1") = "8"
    & skf18("8","9","4","7","1","8","1") = "8"
    & skf18("8","9","4","7","1","9","1") = "8"
    & skf18("8","9","4","7","1","10","1") = "9"
    & skf18("8","9","4","7","2","1","1") = "8"
    & skf18("8","9","4","7","2","2","1") = "8"
    & skf18("8","9","4","7","2","3","1") = "8"
    & skf18("8","9","4","7","2","4","1") = "8"
    & skf18("8","9","4","7","2","5","1") = "8"
    & skf18("8","9","4","7","2","6","1") = "8"
    & skf18("8","9","4","7","2","7","1") = "8"
    & skf18("8","9","4","7","2","8","1") = "8"
    & skf18("8","9","4","7","2","9","1") = "8"
    & skf18("8","9","4","7","2","10","1") = "9"
    & skf18("8","9","4","7","3","1","1") = "8"
    & skf18("8","9","4","7","3","2","1") = "8"
    & skf18("8","9","4","7","3","3","1") = "8"
    & skf18("8","9","4","7","3","4","1") = "8"
    & skf18("8","9","4","7","3","5","1") = "8"
    & skf18("8","9","4","7","3","6","1") = "8"
    & skf18("8","9","4","7","3","7","1") = "8"
    & skf18("8","9","4","7","3","8","1") = "8"
    & skf18("8","9","4","7","3","9","1") = "8"
    & skf18("8","9","4","7","3","10","1") = "9"
    & skf18("8","9","4","7","4","1","1") = "8"
    & skf18("8","9","4","7","4","2","1") = "8"
    & skf18("8","9","4","7","4","3","1") = "8"
    & skf18("8","9","4","7","4","4","1") = "8"
    & skf18("8","9","4","7","4","5","1") = "8"
    & skf18("8","9","4","7","4","6","1") = "8"
    & skf18("8","9","4","7","4","7","1") = "8"
    & skf18("8","9","4","7","4","8","1") = "8"
    & skf18("8","9","4","7","4","9","1") = "8"
    & skf18("8","9","4","7","4","10","1") = "9"
    & skf18("8","9","4","7","5","1","1") = "8"
    & skf18("8","9","4","7","5","2","1") = "8"
    & skf18("8","9","4","7","5","3","1") = "8"
    & skf18("8","9","4","7","5","4","1") = "8"
    & skf18("8","9","4","7","5","5","1") = "8"
    & skf18("8","9","4","7","5","6","1") = "8"
    & skf18("8","9","4","7","5","7","1") = "8"
    & skf18("8","9","4","7","5","8","1") = "8"
    & skf18("8","9","4","7","5","9","1") = "8"
    & skf18("8","9","4","7","5","10","1") = "9"
    & skf18("8","9","4","7","6","1","1") = "8"
    & skf18("8","9","4","7","6","2","1") = "8"
    & skf18("8","9","4","7","6","3","1") = "8"
    & skf18("8","9","4","7","6","4","1") = "8"
    & skf18("8","9","4","7","6","5","1") = "8"
    & skf18("8","9","4","7","6","6","1") = "8"
    & skf18("8","9","4","7","6","7","1") = "8"
    & skf18("8","9","4","7","6","8","1") = "8"
    & skf18("8","9","4","7","6","9","1") = "8"
    & skf18("8","9","4","7","6","10","1") = "9"
    & skf18("8","9","4","7","7","1","1") = "8"
    & skf18("8","9","4","7","7","2","1") = "8"
    & skf18("8","9","4","7","7","3","1") = "8"
    & skf18("8","9","4","7","7","4","1") = "8"
    & skf18("8","9","4","7","7","5","1") = "8"
    & skf18("8","9","4","7","7","6","1") = "8"
    & skf18("8","9","4","7","7","7","1") = "8"
    & skf18("8","9","4","7","7","8","1") = "8"
    & skf18("8","9","4","7","7","9","1") = "8"
    & skf18("8","9","4","7","7","10","1") = "9"
    & skf18("8","9","4","7","8","1","1") = "8"
    & skf18("8","9","4","7","8","2","1") = "8"
    & skf18("8","9","4","7","8","3","1") = "8"
    & skf18("8","9","4","7","8","4","1") = "8"
    & skf18("8","9","4","7","8","5","1") = "8"
    & skf18("8","9","4","7","8","6","1") = "8"
    & skf18("8","9","4","7","8","7","1") = "8"
    & skf18("8","9","4","7","8","8","1") = "8"
    & skf18("8","9","4","7","8","9","1") = "8"
    & skf18("8","9","4","7","8","10","1") = "9"
    & skf18("8","9","4","7","9","1","1") = "8"
    & skf18("8","9","4","7","9","2","1") = "8"
    & skf18("8","9","4","7","9","3","1") = "8"
    & skf18("8","9","4","7","9","4","1") = "8"
    & skf18("8","9","4","7","9","5","1") = "8"
    & skf18("8","9","4","7","9","6","1") = "8"
    & skf18("8","9","4","7","9","7","1") = "8"
    & skf18("8","9","4","7","9","8","1") = "8"
    & skf18("8","9","4","7","9","9","1") = "8"
    & skf18("8","9","4","7","9","10","1") = "9"
    & skf18("8","9","4","7","10","1","1") = "9"
    & skf18("8","9","4","7","10","2","1") = "9"
    & skf18("8","9","4","7","10","3","1") = "9"
    & skf18("8","9","4","7","10","4","1") = "9"
    & skf18("8","9","4","7","10","5","1") = "9"
    & skf18("8","9","4","7","10","6","1") = "9"
    & skf18("8","9","4","7","10","7","1") = "9"
    & skf18("8","9","4","7","10","8","1") = "9"
    & skf18("8","9","4","7","10","9","1") = "9"
    & skf18("8","9","4","7","10","10","1") = "9"
    & skf18("8","9","4","8","1","1","1") = "8"
    & skf18("8","9","4","8","1","2","1") = "8"
    & skf18("8","9","4","8","1","3","1") = "8"
    & skf18("8","9","4","8","1","4","1") = "8"
    & skf18("8","9","4","8","1","5","1") = "8"
    & skf18("8","9","4","8","1","6","1") = "8"
    & skf18("8","9","4","8","1","7","1") = "8"
    & skf18("8","9","4","8","1","8","1") = "8"
    & skf18("8","9","4","8","1","9","1") = "8"
    & skf18("8","9","4","8","1","10","1") = "9"
    & skf18("8","9","4","8","2","1","1") = "8"
    & skf18("8","9","4","8","2","2","1") = "8"
    & skf18("8","9","4","8","2","3","1") = "8"
    & skf18("8","9","4","8","2","4","1") = "8"
    & skf18("8","9","4","8","2","5","1") = "8"
    & skf18("8","9","4","8","2","6","1") = "8"
    & skf18("8","9","4","8","2","7","1") = "8"
    & skf18("8","9","4","8","2","8","1") = "8"
    & skf18("8","9","4","8","2","9","1") = "8"
    & skf18("8","9","4","8","2","10","1") = "9"
    & skf18("8","9","4","8","3","1","1") = "8"
    & skf18("8","9","4","8","3","2","1") = "8"
    & skf18("8","9","4","8","3","3","1") = "8"
    & skf18("8","9","4","8","3","4","1") = "8"
    & skf18("8","9","4","8","3","5","1") = "8"
    & skf18("8","9","4","8","3","6","1") = "8"
    & skf18("8","9","4","8","3","7","1") = "8"
    & skf18("8","9","4","8","3","8","1") = "8"
    & skf18("8","9","4","8","3","9","1") = "8"
    & skf18("8","9","4","8","3","10","1") = "9"
    & skf18("8","9","4","8","4","1","1") = "8"
    & skf18("8","9","4","8","4","2","1") = "8"
    & skf18("8","9","4","8","4","3","1") = "8"
    & skf18("8","9","4","8","4","4","1") = "8"
    & skf18("8","9","4","8","4","5","1") = "8"
    & skf18("8","9","4","8","4","6","1") = "8"
    & skf18("8","9","4","8","4","7","1") = "8"
    & skf18("8","9","4","8","4","8","1") = "8"
    & skf18("8","9","4","8","4","9","1") = "8"
    & skf18("8","9","4","8","4","10","1") = "9"
    & skf18("8","9","4","8","5","1","1") = "8"
    & skf18("8","9","4","8","5","2","1") = "8"
    & skf18("8","9","4","8","5","3","1") = "8"
    & skf18("8","9","4","8","5","4","1") = "8"
    & skf18("8","9","4","8","5","5","1") = "8"
    & skf18("8","9","4","8","5","6","1") = "8"
    & skf18("8","9","4","8","5","7","1") = "8"
    & skf18("8","9","4","8","5","8","1") = "8"
    & skf18("8","9","4","8","5","9","1") = "8"
    & skf18("8","9","4","8","5","10","1") = "9"
    & skf18("8","9","4","8","6","1","1") = "8"
    & skf18("8","9","4","8","6","2","1") = "8"
    & skf18("8","9","4","8","6","3","1") = "8"
    & skf18("8","9","4","8","6","4","1") = "8"
    & skf18("8","9","4","8","6","5","1") = "8"
    & skf18("8","9","4","8","6","6","1") = "8"
    & skf18("8","9","4","8","6","7","1") = "8"
    & skf18("8","9","4","8","6","8","1") = "8"
    & skf18("8","9","4","8","6","9","1") = "8"
    & skf18("8","9","4","8","6","10","1") = "9"
    & skf18("8","9","4","8","7","1","1") = "8"
    & skf18("8","9","4","8","7","2","1") = "8"
    & skf18("8","9","4","8","7","3","1") = "8"
    & skf18("8","9","4","8","7","4","1") = "8"
    & skf18("8","9","4","8","7","5","1") = "8"
    & skf18("8","9","4","8","7","6","1") = "8"
    & skf18("8","9","4","8","7","7","1") = "8"
    & skf18("8","9","4","8","7","8","1") = "8"
    & skf18("8","9","4","8","7","9","1") = "8"
    & skf18("8","9","4","8","7","10","1") = "9"
    & skf18("8","9","4","8","8","1","1") = "8"
    & skf18("8","9","4","8","8","2","1") = "8"
    & skf18("8","9","4","8","8","3","1") = "8"
    & skf18("8","9","4","8","8","4","1") = "8"
    & skf18("8","9","4","8","8","5","1") = "8"
    & skf18("8","9","4","8","8","6","1") = "8"
    & skf18("8","9","4","8","8","7","1") = "8"
    & skf18("8","9","4","8","8","8","1") = "8"
    & skf18("8","9","4","8","8","9","1") = "8"
    & skf18("8","9","4","8","8","10","1") = "9"
    & skf18("8","9","4","8","9","1","1") = "8"
    & skf18("8","9","4","8","9","2","1") = "8"
    & skf18("8","9","4","8","9","3","1") = "8"
    & skf18("8","9","4","8","9","4","1") = "8"
    & skf18("8","9","4","8","9","5","1") = "8"
    & skf18("8","9","4","8","9","6","1") = "8"
    & skf18("8","9","4","8","9","7","1") = "8"
    & skf18("8","9","4","8","9","8","1") = "8"
    & skf18("8","9","4","8","9","9","1") = "8"
    & skf18("8","9","4","8","9","10","1") = "9"
    & skf18("8","9","4","8","10","1","1") = "9"
    & skf18("8","9","4","8","10","2","1") = "9"
    & skf18("8","9","4","8","10","3","1") = "9"
    & skf18("8","9","4","8","10","4","1") = "9"
    & skf18("8","9","4","8","10","5","1") = "9"
    & skf18("8","9","4","8","10","6","1") = "9"
    & skf18("8","9","4","8","10","7","1") = "9"
    & skf18("8","9","4","8","10","8","1") = "9"
    & skf18("8","9","4","8","10","9","1") = "9"
    & skf18("8","9","4","8","10","10","1") = "9"
    & skf18("8","9","4","9","1","1","1") = "8"
    & skf18("8","9","4","9","1","2","1") = "8"
    & skf18("8","9","4","9","1","3","1") = "8"
    & skf18("8","9","4","9","1","4","1") = "8"
    & skf18("8","9","4","9","1","5","1") = "8"
    & skf18("8","9","4","9","1","6","1") = "8"
    & skf18("8","9","4","9","1","7","1") = "8"
    & skf18("8","9","4","9","1","8","1") = "8"
    & skf18("8","9","4","9","1","9","1") = "8"
    & skf18("8","9","4","9","1","10","1") = "9"
    & skf18("8","9","4","9","2","1","1") = "8"
    & skf18("8","9","4","9","2","2","1") = "8"
    & skf18("8","9","4","9","2","3","1") = "8"
    & skf18("8","9","4","9","2","4","1") = "8"
    & skf18("8","9","4","9","2","5","1") = "8"
    & skf18("8","9","4","9","2","6","1") = "8"
    & skf18("8","9","4","9","2","7","1") = "8"
    & skf18("8","9","4","9","2","8","1") = "8"
    & skf18("8","9","4","9","2","9","1") = "8"
    & skf18("8","9","4","9","2","10","1") = "9"
    & skf18("8","9","4","9","3","1","1") = "8"
    & skf18("8","9","4","9","3","2","1") = "8"
    & skf18("8","9","4","9","3","3","1") = "8"
    & skf18("8","9","4","9","3","4","1") = "8"
    & skf18("8","9","4","9","3","5","1") = "8"
    & skf18("8","9","4","9","3","6","1") = "8"
    & skf18("8","9","4","9","3","7","1") = "8"
    & skf18("8","9","4","9","3","8","1") = "8"
    & skf18("8","9","4","9","3","9","1") = "8"
    & skf18("8","9","4","9","3","10","1") = "9"
    & skf18("8","9","4","9","4","1","1") = "8"
    & skf18("8","9","4","9","4","2","1") = "8"
    & skf18("8","9","4","9","4","3","1") = "8"
    & skf18("8","9","4","9","4","4","1") = "8"
    & skf18("8","9","4","9","4","5","1") = "8"
    & skf18("8","9","4","9","4","6","1") = "8"
    & skf18("8","9","4","9","4","7","1") = "8"
    & skf18("8","9","4","9","4","8","1") = "8"
    & skf18("8","9","4","9","4","9","1") = "8"
    & skf18("8","9","4","9","4","10","1") = "9"
    & skf18("8","9","4","9","5","1","1") = "8"
    & skf18("8","9","4","9","5","2","1") = "8"
    & skf18("8","9","4","9","5","3","1") = "8"
    & skf18("8","9","4","9","5","4","1") = "8"
    & skf18("8","9","4","9","5","5","1") = "8"
    & skf18("8","9","4","9","5","6","1") = "8"
    & skf18("8","9","4","9","5","7","1") = "8"
    & skf18("8","9","4","9","5","8","1") = "8"
    & skf18("8","9","4","9","5","9","1") = "8"
    & skf18("8","9","4","9","5","10","1") = "9"
    & skf18("8","9","4","9","6","1","1") = "8"
    & skf18("8","9","4","9","6","2","1") = "8"
    & skf18("8","9","4","9","6","3","1") = "8"
    & skf18("8","9","4","9","6","4","1") = "8"
    & skf18("8","9","4","9","6","5","1") = "8"
    & skf18("8","9","4","9","6","6","1") = "8"
    & skf18("8","9","4","9","6","7","1") = "8"
    & skf18("8","9","4","9","6","8","1") = "8"
    & skf18("8","9","4","9","6","9","1") = "8"
    & skf18("8","9","4","9","6","10","1") = "9"
    & skf18("8","9","4","9","7","1","1") = "8"
    & skf18("8","9","4","9","7","2","1") = "8"
    & skf18("8","9","4","9","7","3","1") = "8"
    & skf18("8","9","4","9","7","4","1") = "8"
    & skf18("8","9","4","9","7","5","1") = "8"
    & skf18("8","9","4","9","7","6","1") = "8"
    & skf18("8","9","4","9","7","7","1") = "8"
    & skf18("8","9","4","9","7","8","1") = "8"
    & skf18("8","9","4","9","7","9","1") = "8"
    & skf18("8","9","4","9","7","10","1") = "9"
    & skf18("8","9","4","9","8","1","1") = "8"
    & skf18("8","9","4","9","8","2","1") = "8"
    & skf18("8","9","4","9","8","3","1") = "8"
    & skf18("8","9","4","9","8","4","1") = "8"
    & skf18("8","9","4","9","8","5","1") = "8"
    & skf18("8","9","4","9","8","6","1") = "8"
    & skf18("8","9","4","9","8","7","1") = "8"
    & skf18("8","9","4","9","8","8","1") = "8"
    & skf18("8","9","4","9","8","9","1") = "8"
    & skf18("8","9","4","9","8","10","1") = "9"
    & skf18("8","9","4","9","9","1","1") = "8"
    & skf18("8","9","4","9","9","2","1") = "8"
    & skf18("8","9","4","9","9","3","1") = "8"
    & skf18("8","9","4","9","9","4","1") = "8"
    & skf18("8","9","4","9","9","5","1") = "8"
    & skf18("8","9","4","9","9","6","1") = "8"
    & skf18("8","9","4","9","9","7","1") = "8"
    & skf18("8","9","4","9","9","8","1") = "8"
    & skf18("8","9","4","9","9","9","1") = "8"
    & skf18("8","9","4","9","9","10","1") = "9"
    & skf18("8","9","4","9","10","1","1") = "9"
    & skf18("8","9","4","9","10","2","1") = "9"
    & skf18("8","9","4","9","10","3","1") = "9"
    & skf18("8","9","4","9","10","4","1") = "9"
    & skf18("8","9","4","9","10","5","1") = "9"
    & skf18("8","9","4","9","10","6","1") = "9"
    & skf18("8","9","4","9","10","7","1") = "9"
    & skf18("8","9","4","9","10","8","1") = "9"
    & skf18("8","9","4","9","10","9","1") = "9"
    & skf18("8","9","4","9","10","10","1") = "9"
    & skf18("8","9","4","10","1","1","1") = "9"
    & skf18("8","9","4","10","1","2","1") = "9"
    & skf18("8","9","4","10","1","3","1") = "9"
    & skf18("8","9","4","10","1","4","1") = "9"
    & skf18("8","9","4","10","1","5","1") = "9"
    & skf18("8","9","4","10","1","6","1") = "9"
    & skf18("8","9","4","10","1","7","1") = "9"
    & skf18("8","9","4","10","1","8","1") = "9"
    & skf18("8","9","4","10","1","9","1") = "9"
    & skf18("8","9","4","10","1","10","1") = "9"
    & skf18("8","9","4","10","2","1","1") = "9"
    & skf18("8","9","4","10","2","2","1") = "9"
    & skf18("8","9","4","10","2","3","1") = "9"
    & skf18("8","9","4","10","2","4","1") = "9"
    & skf18("8","9","4","10","2","5","1") = "9"
    & skf18("8","9","4","10","2","6","1") = "9"
    & skf18("8","9","4","10","2","7","1") = "9"
    & skf18("8","9","4","10","2","8","1") = "9"
    & skf18("8","9","4","10","2","9","1") = "9"
    & skf18("8","9","4","10","2","10","1") = "9"
    & skf18("8","9","4","10","3","1","1") = "9"
    & skf18("8","9","4","10","3","2","1") = "9"
    & skf18("8","9","4","10","3","3","1") = "9"
    & skf18("8","9","4","10","3","4","1") = "9"
    & skf18("8","9","4","10","3","5","1") = "9"
    & skf18("8","9","4","10","3","6","1") = "9"
    & skf18("8","9","4","10","3","7","1") = "9"
    & skf18("8","9","4","10","3","8","1") = "9"
    & skf18("8","9","4","10","3","9","1") = "9"
    & skf18("8","9","4","10","3","10","1") = "9"
    & skf18("8","9","4","10","4","1","1") = "9"
    & skf18("8","9","4","10","4","2","1") = "9"
    & skf18("8","9","4","10","4","3","1") = "9"
    & skf18("8","9","4","10","4","4","1") = "9"
    & skf18("8","9","4","10","4","5","1") = "9"
    & skf18("8","9","4","10","4","6","1") = "9"
    & skf18("8","9","4","10","4","7","1") = "9"
    & skf18("8","9","4","10","4","8","1") = "9"
    & skf18("8","9","4","10","4","9","1") = "9"
    & skf18("8","9","4","10","4","10","1") = "9"
    & skf18("8","9","4","10","5","1","1") = "9"
    & skf18("8","9","4","10","5","2","1") = "9"
    & skf18("8","9","4","10","5","3","1") = "9"
    & skf18("8","9","4","10","5","4","1") = "9"
    & skf18("8","9","4","10","5","5","1") = "9"
    & skf18("8","9","4","10","5","6","1") = "9"
    & skf18("8","9","4","10","5","7","1") = "9"
    & skf18("8","9","4","10","5","8","1") = "9"
    & skf18("8","9","4","10","5","9","1") = "9"
    & skf18("8","9","4","10","5","10","1") = "9"
    & skf18("8","9","4","10","6","1","1") = "9"
    & skf18("8","9","4","10","6","2","1") = "9"
    & skf18("8","9","4","10","6","3","1") = "9"
    & skf18("8","9","4","10","6","4","1") = "9"
    & skf18("8","9","4","10","6","5","1") = "9"
    & skf18("8","9","4","10","6","6","1") = "9"
    & skf18("8","9","4","10","6","7","1") = "9"
    & skf18("8","9","4","10","6","8","1") = "9"
    & skf18("8","9","4","10","6","9","1") = "9"
    & skf18("8","9","4","10","6","10","1") = "9"
    & skf18("8","9","4","10","7","1","1") = "9"
    & skf18("8","9","4","10","7","2","1") = "9"
    & skf18("8","9","4","10","7","3","1") = "9"
    & skf18("8","9","4","10","7","4","1") = "9"
    & skf18("8","9","4","10","7","5","1") = "9"
    & skf18("8","9","4","10","7","6","1") = "9"
    & skf18("8","9","4","10","7","7","1") = "9"
    & skf18("8","9","4","10","7","8","1") = "9"
    & skf18("8","9","4","10","7","9","1") = "9"
    & skf18("8","9","4","10","7","10","1") = "9"
    & skf18("8","9","4","10","8","1","1") = "9"
    & skf18("8","9","4","10","8","2","1") = "9"
    & skf18("8","9","4","10","8","3","1") = "9"
    & skf18("8","9","4","10","8","4","1") = "9"
    & skf18("8","9","4","10","8","5","1") = "9"
    & skf18("8","9","4","10","8","6","1") = "9"
    & skf18("8","9","4","10","8","7","1") = "9"
    & skf18("8","9","4","10","8","8","1") = "9"
    & skf18("8","9","4","10","8","9","1") = "9"
    & skf18("8","9","4","10","8","10","1") = "9"
    & skf18("8","9","4","10","9","1","1") = "9"
    & skf18("8","9","4","10","9","2","1") = "9"
    & skf18("8","9","4","10","9","3","1") = "9"
    & skf18("8","9","4","10","9","4","1") = "9"
    & skf18("8","9","4","10","9","5","1") = "9"
    & skf18("8","9","4","10","9","6","1") = "9"
    & skf18("8","9","4","10","9","7","1") = "9"
    & skf18("8","9","4","10","9","8","1") = "9"
    & skf18("8","9","4","10","9","9","1") = "9"
    & skf18("8","9","4","10","9","10","1") = "9"
    & skf18("8","9","4","10","10","1","1") = "9"
    & skf18("8","9","4","10","10","2","1") = "9"
    & skf18("8","9","4","10","10","3","1") = "9"
    & skf18("8","9","4","10","10","4","1") = "9"
    & skf18("8","9","4","10","10","5","1") = "9"
    & skf18("8","9","4","10","10","6","1") = "9"
    & skf18("8","9","4","10","10","7","1") = "9"
    & skf18("8","9","4","10","10","8","1") = "9"
    & skf18("8","9","4","10","10","9","1") = "9"
    & skf18("8","9","4","10","10","10","1") = "9"
    & skf18("8","9","5","1","1","1","1") = "8"
    & skf18("8","9","5","1","1","2","1") = "8"
    & skf18("8","9","5","1","1","3","1") = "8"
    & skf18("8","9","5","1","1","4","1") = "8"
    & skf18("8","9","5","1","1","5","1") = "8"
    & skf18("8","9","5","1","1","6","1") = "8"
    & skf18("8","9","5","1","1","7","1") = "8"
    & skf18("8","9","5","1","1","8","1") = "8"
    & skf18("8","9","5","1","1","9","1") = "8"
    & skf18("8","9","5","1","1","10","1") = "9"
    & skf18("8","9","5","1","2","1","1") = "8"
    & skf18("8","9","5","1","2","2","1") = "8"
    & skf18("8","9","5","1","2","3","1") = "8"
    & skf18("8","9","5","1","2","4","1") = "8"
    & skf18("8","9","5","1","2","5","1") = "8"
    & skf18("8","9","5","1","2","6","1") = "8"
    & skf18("8","9","5","1","2","7","1") = "8"
    & skf18("8","9","5","1","2","8","1") = "8"
    & skf18("8","9","5","1","2","9","1") = "8"
    & skf18("8","9","5","1","2","10","1") = "9"
    & skf18("8","9","5","1","3","1","1") = "8"
    & skf18("8","9","5","1","3","2","1") = "8"
    & skf18("8","9","5","1","3","3","1") = "8"
    & skf18("8","9","5","1","3","4","1") = "8"
    & skf18("8","9","5","1","3","5","1") = "8"
    & skf18("8","9","5","1","3","6","1") = "8"
    & skf18("8","9","5","1","3","7","1") = "8"
    & skf18("8","9","5","1","3","8","1") = "8"
    & skf18("8","9","5","1","3","9","1") = "8"
    & skf18("8","9","5","1","3","10","1") = "9"
    & skf18("8","9","5","1","4","1","1") = "8"
    & skf18("8","9","5","1","4","2","1") = "8"
    & skf18("8","9","5","1","4","3","1") = "8"
    & skf18("8","9","5","1","4","4","1") = "8"
    & skf18("8","9","5","1","4","5","1") = "8"
    & skf18("8","9","5","1","4","6","1") = "8"
    & skf18("8","9","5","1","4","7","1") = "8"
    & skf18("8","9","5","1","4","8","1") = "8"
    & skf18("8","9","5","1","4","9","1") = "8"
    & skf18("8","9","5","1","4","10","1") = "9"
    & skf18("8","9","5","1","5","1","1") = "8"
    & skf18("8","9","5","1","5","2","1") = "8"
    & skf18("8","9","5","1","5","3","1") = "8"
    & skf18("8","9","5","1","5","4","1") = "8"
    & skf18("8","9","5","1","5","5","1") = "8"
    & skf18("8","9","5","1","5","6","1") = "8"
    & skf18("8","9","5","1","5","7","1") = "8"
    & skf18("8","9","5","1","5","8","1") = "8"
    & skf18("8","9","5","1","5","9","1") = "8"
    & skf18("8","9","5","1","5","10","1") = "9"
    & skf18("8","9","5","1","6","1","1") = "8"
    & skf18("8","9","5","1","6","2","1") = "8"
    & skf18("8","9","5","1","6","3","1") = "8"
    & skf18("8","9","5","1","6","4","1") = "8"
    & skf18("8","9","5","1","6","5","1") = "8"
    & skf18("8","9","5","1","6","6","1") = "8"
    & skf18("8","9","5","1","6","7","1") = "8"
    & skf18("8","9","5","1","6","8","1") = "8"
    & skf18("8","9","5","1","6","9","1") = "8"
    & skf18("8","9","5","1","6","10","1") = "9"
    & skf18("8","9","5","1","7","1","1") = "8"
    & skf18("8","9","5","1","7","2","1") = "8"
    & skf18("8","9","5","1","7","3","1") = "8"
    & skf18("8","9","5","1","7","4","1") = "8"
    & skf18("8","9","5","1","7","5","1") = "8"
    & skf18("8","9","5","1","7","6","1") = "8"
    & skf18("8","9","5","1","7","7","1") = "8"
    & skf18("8","9","5","1","7","8","1") = "8"
    & skf18("8","9","5","1","7","9","1") = "8"
    & skf18("8","9","5","1","7","10","1") = "9"
    & skf18("8","9","5","1","8","1","1") = "8"
    & skf18("8","9","5","1","8","2","1") = "8"
    & skf18("8","9","5","1","8","3","1") = "8"
    & skf18("8","9","5","1","8","4","1") = "8"
    & skf18("8","9","5","1","8","5","1") = "8"
    & skf18("8","9","5","1","8","6","1") = "8"
    & skf18("8","9","5","1","8","7","1") = "8"
    & skf18("8","9","5","1","8","8","1") = "8"
    & skf18("8","9","5","1","8","9","1") = "8"
    & skf18("8","9","5","1","8","10","1") = "9"
    & skf18("8","9","5","1","9","1","1") = "8"
    & skf18("8","9","5","1","9","2","1") = "8"
    & skf18("8","9","5","1","9","3","1") = "8"
    & skf18("8","9","5","1","9","4","1") = "8"
    & skf18("8","9","5","1","9","5","1") = "8"
    & skf18("8","9","5","1","9","6","1") = "8"
    & skf18("8","9","5","1","9","7","1") = "8"
    & skf18("8","9","5","1","9","8","1") = "8"
    & skf18("8","9","5","1","9","9","1") = "8"
    & skf18("8","9","5","1","9","10","1") = "9"
    & skf18("8","9","5","1","10","1","1") = "9"
    & skf18("8","9","5","1","10","2","1") = "9"
    & skf18("8","9","5","1","10","3","1") = "9"
    & skf18("8","9","5","1","10","4","1") = "9"
    & skf18("8","9","5","1","10","5","1") = "9"
    & skf18("8","9","5","1","10","6","1") = "9"
    & skf18("8","9","5","1","10","7","1") = "9"
    & skf18("8","9","5","1","10","8","1") = "9"
    & skf18("8","9","5","1","10","9","1") = "9"
    & skf18("8","9","5","1","10","10","1") = "9"
    & skf18("8","9","5","2","1","1","1") = "8"
    & skf18("8","9","5","2","1","2","1") = "8"
    & skf18("8","9","5","2","1","3","1") = "8"
    & skf18("8","9","5","2","1","4","1") = "8"
    & skf18("8","9","5","2","1","5","1") = "8"
    & skf18("8","9","5","2","1","6","1") = "8"
    & skf18("8","9","5","2","1","7","1") = "8"
    & skf18("8","9","5","2","1","8","1") = "8"
    & skf18("8","9","5","2","1","9","1") = "8"
    & skf18("8","9","5","2","1","10","1") = "9"
    & skf18("8","9","5","2","2","1","1") = "8"
    & skf18("8","9","5","2","2","2","1") = "8"
    & skf18("8","9","5","2","2","3","1") = "8"
    & skf18("8","9","5","2","2","4","1") = "8"
    & skf18("8","9","5","2","2","5","1") = "8"
    & skf18("8","9","5","2","2","6","1") = "8"
    & skf18("8","9","5","2","2","7","1") = "8"
    & skf18("8","9","5","2","2","8","1") = "8"
    & skf18("8","9","5","2","2","9","1") = "8"
    & skf18("8","9","5","2","2","10","1") = "9"
    & skf18("8","9","5","2","3","1","1") = "8"
    & skf18("8","9","5","2","3","2","1") = "8"
    & skf18("8","9","5","2","3","3","1") = "8"
    & skf18("8","9","5","2","3","4","1") = "8"
    & skf18("8","9","5","2","3","5","1") = "8"
    & skf18("8","9","5","2","3","6","1") = "8"
    & skf18("8","9","5","2","3","7","1") = "8"
    & skf18("8","9","5","2","3","8","1") = "8"
    & skf18("8","9","5","2","3","9","1") = "8"
    & skf18("8","9","5","2","3","10","1") = "9"
    & skf18("8","9","5","2","4","1","1") = "8"
    & skf18("8","9","5","2","4","2","1") = "8"
    & skf18("8","9","5","2","4","3","1") = "8"
    & skf18("8","9","5","2","4","4","1") = "8"
    & skf18("8","9","5","2","4","5","1") = "8"
    & skf18("8","9","5","2","4","6","1") = "8"
    & skf18("8","9","5","2","4","7","1") = "8"
    & skf18("8","9","5","2","4","8","1") = "8"
    & skf18("8","9","5","2","4","9","1") = "8"
    & skf18("8","9","5","2","4","10","1") = "9"
    & skf18("8","9","5","2","5","1","1") = "8"
    & skf18("8","9","5","2","5","2","1") = "8"
    & skf18("8","9","5","2","5","3","1") = "8"
    & skf18("8","9","5","2","5","4","1") = "8"
    & skf18("8","9","5","2","5","5","1") = "8"
    & skf18("8","9","5","2","5","6","1") = "8"
    & skf18("8","9","5","2","5","7","1") = "8"
    & skf18("8","9","5","2","5","8","1") = "8"
    & skf18("8","9","5","2","5","9","1") = "8"
    & skf18("8","9","5","2","5","10","1") = "9"
    & skf18("8","9","5","2","6","1","1") = "8"
    & skf18("8","9","5","2","6","2","1") = "8"
    & skf18("8","9","5","2","6","3","1") = "8"
    & skf18("8","9","5","2","6","4","1") = "8"
    & skf18("8","9","5","2","6","5","1") = "8"
    & skf18("8","9","5","2","6","6","1") = "8"
    & skf18("8","9","5","2","6","7","1") = "8"
    & skf18("8","9","5","2","6","8","1") = "8"
    & skf18("8","9","5","2","6","9","1") = "8"
    & skf18("8","9","5","2","6","10","1") = "9"
    & skf18("8","9","5","2","7","1","1") = "8"
    & skf18("8","9","5","2","7","2","1") = "8"
    & skf18("8","9","5","2","7","3","1") = "8"
    & skf18("8","9","5","2","7","4","1") = "8"
    & skf18("8","9","5","2","7","5","1") = "8"
    & skf18("8","9","5","2","7","6","1") = "8"
    & skf18("8","9","5","2","7","7","1") = "8"
    & skf18("8","9","5","2","7","8","1") = "8"
    & skf18("8","9","5","2","7","9","1") = "8"
    & skf18("8","9","5","2","7","10","1") = "9"
    & skf18("8","9","5","2","8","1","1") = "8"
    & skf18("8","9","5","2","8","2","1") = "8"
    & skf18("8","9","5","2","8","3","1") = "8"
    & skf18("8","9","5","2","8","4","1") = "8"
    & skf18("8","9","5","2","8","5","1") = "8"
    & skf18("8","9","5","2","8","6","1") = "8"
    & skf18("8","9","5","2","8","7","1") = "8"
    & skf18("8","9","5","2","8","8","1") = "8"
    & skf18("8","9","5","2","8","9","1") = "8"
    & skf18("8","9","5","2","8","10","1") = "9"
    & skf18("8","9","5","2","9","1","1") = "8"
    & skf18("8","9","5","2","9","2","1") = "8"
    & skf18("8","9","5","2","9","3","1") = "8"
    & skf18("8","9","5","2","9","4","1") = "8"
    & skf18("8","9","5","2","9","5","1") = "8"
    & skf18("8","9","5","2","9","6","1") = "8"
    & skf18("8","9","5","2","9","7","1") = "8"
    & skf18("8","9","5","2","9","8","1") = "8"
    & skf18("8","9","5","2","9","9","1") = "8"
    & skf18("8","9","5","2","9","10","1") = "9"
    & skf18("8","9","5","2","10","1","1") = "9"
    & skf18("8","9","5","2","10","2","1") = "9"
    & skf18("8","9","5","2","10","3","1") = "9"
    & skf18("8","9","5","2","10","4","1") = "9"
    & skf18("8","9","5","2","10","5","1") = "9"
    & skf18("8","9","5","2","10","6","1") = "9"
    & skf18("8","9","5","2","10","7","1") = "9"
    & skf18("8","9","5","2","10","8","1") = "9"
    & skf18("8","9","5","2","10","9","1") = "9"
    & skf18("8","9","5","2","10","10","1") = "9"
    & skf18("8","9","5","3","1","1","1") = "8"
    & skf18("8","9","5","3","1","2","1") = "8"
    & skf18("8","9","5","3","1","3","1") = "8"
    & skf18("8","9","5","3","1","4","1") = "8"
    & skf18("8","9","5","3","1","5","1") = "8"
    & skf18("8","9","5","3","1","6","1") = "8"
    & skf18("8","9","5","3","1","7","1") = "8"
    & skf18("8","9","5","3","1","8","1") = "8"
    & skf18("8","9","5","3","1","9","1") = "8"
    & skf18("8","9","5","3","1","10","1") = "9"
    & skf18("8","9","5","3","2","1","1") = "8"
    & skf18("8","9","5","3","2","2","1") = "8"
    & skf18("8","9","5","3","2","3","1") = "8"
    & skf18("8","9","5","3","2","4","1") = "8"
    & skf18("8","9","5","3","2","5","1") = "8"
    & skf18("8","9","5","3","2","6","1") = "8"
    & skf18("8","9","5","3","2","7","1") = "8"
    & skf18("8","9","5","3","2","8","1") = "8"
    & skf18("8","9","5","3","2","9","1") = "8"
    & skf18("8","9","5","3","2","10","1") = "9"
    & skf18("8","9","5","3","3","1","1") = "8"
    & skf18("8","9","5","3","3","2","1") = "8"
    & skf18("8","9","5","3","3","3","1") = "8"
    & skf18("8","9","5","3","3","4","1") = "8"
    & skf18("8","9","5","3","3","5","1") = "8"
    & skf18("8","9","5","3","3","6","1") = "8"
    & skf18("8","9","5","3","3","7","1") = "8"
    & skf18("8","9","5","3","3","8","1") = "8"
    & skf18("8","9","5","3","3","9","1") = "8"
    & skf18("8","9","5","3","3","10","1") = "9"
    & skf18("8","9","5","3","4","1","1") = "8"
    & skf18("8","9","5","3","4","2","1") = "8"
    & skf18("8","9","5","3","4","3","1") = "8"
    & skf18("8","9","5","3","4","4","1") = "8"
    & skf18("8","9","5","3","4","5","1") = "8"
    & skf18("8","9","5","3","4","6","1") = "8"
    & skf18("8","9","5","3","4","7","1") = "8"
    & skf18("8","9","5","3","4","8","1") = "8"
    & skf18("8","9","5","3","4","9","1") = "8"
    & skf18("8","9","5","3","4","10","1") = "9"
    & skf18("8","9","5","3","5","1","1") = "8"
    & skf18("8","9","5","3","5","2","1") = "8"
    & skf18("8","9","5","3","5","3","1") = "8"
    & skf18("8","9","5","3","5","4","1") = "8"
    & skf18("8","9","5","3","5","5","1") = "8"
    & skf18("8","9","5","3","5","6","1") = "8"
    & skf18("8","9","5","3","5","7","1") = "8"
    & skf18("8","9","5","3","5","8","1") = "8"
    & skf18("8","9","5","3","5","9","1") = "8"
    & skf18("8","9","5","3","5","10","1") = "9"
    & skf18("8","9","5","3","6","1","1") = "8"
    & skf18("8","9","5","3","6","2","1") = "8"
    & skf18("8","9","5","3","6","3","1") = "8"
    & skf18("8","9","5","3","6","4","1") = "8"
    & skf18("8","9","5","3","6","5","1") = "8"
    & skf18("8","9","5","3","6","6","1") = "8"
    & skf18("8","9","5","3","6","7","1") = "8"
    & skf18("8","9","5","3","6","8","1") = "8"
    & skf18("8","9","5","3","6","9","1") = "8"
    & skf18("8","9","5","3","6","10","1") = "9"
    & skf18("8","9","5","3","7","1","1") = "8"
    & skf18("8","9","5","3","7","2","1") = "8"
    & skf18("8","9","5","3","7","3","1") = "8"
    & skf18("8","9","5","3","7","4","1") = "8"
    & skf18("8","9","5","3","7","5","1") = "8"
    & skf18("8","9","5","3","7","6","1") = "8"
    & skf18("8","9","5","3","7","7","1") = "8"
    & skf18("8","9","5","3","7","8","1") = "8"
    & skf18("8","9","5","3","7","9","1") = "8"
    & skf18("8","9","5","3","7","10","1") = "9"
    & skf18("8","9","5","3","8","1","1") = "8"
    & skf18("8","9","5","3","8","2","1") = "8"
    & skf18("8","9","5","3","8","3","1") = "8"
    & skf18("8","9","5","3","8","4","1") = "8"
    & skf18("8","9","5","3","8","5","1") = "8"
    & skf18("8","9","5","3","8","6","1") = "8"
    & skf18("8","9","5","3","8","7","1") = "8"
    & skf18("8","9","5","3","8","8","1") = "8"
    & skf18("8","9","5","3","8","9","1") = "8"
    & skf18("8","9","5","3","8","10","1") = "9"
    & skf18("8","9","5","3","9","1","1") = "8"
    & skf18("8","9","5","3","9","2","1") = "8"
    & skf18("8","9","5","3","9","3","1") = "8"
    & skf18("8","9","5","3","9","4","1") = "8"
    & skf18("8","9","5","3","9","5","1") = "8"
    & skf18("8","9","5","3","9","6","1") = "8"
    & skf18("8","9","5","3","9","7","1") = "8"
    & skf18("8","9","5","3","9","8","1") = "8"
    & skf18("8","9","5","3","9","9","1") = "8"
    & skf18("8","9","5","3","9","10","1") = "9"
    & skf18("8","9","5","3","10","1","1") = "9"
    & skf18("8","9","5","3","10","2","1") = "9"
    & skf18("8","9","5","3","10","3","1") = "9"
    & skf18("8","9","5","3","10","4","1") = "9"
    & skf18("8","9","5","3","10","5","1") = "9"
    & skf18("8","9","5","3","10","6","1") = "9"
    & skf18("8","9","5","3","10","7","1") = "9"
    & skf18("8","9","5","3","10","8","1") = "9"
    & skf18("8","9","5","3","10","9","1") = "9"
    & skf18("8","9","5","3","10","10","1") = "9"
    & skf18("8","9","5","4","1","1","1") = "8"
    & skf18("8","9","5","4","1","2","1") = "8"
    & skf18("8","9","5","4","1","3","1") = "8"
    & skf18("8","9","5","4","1","4","1") = "8"
    & skf18("8","9","5","4","1","5","1") = "8"
    & skf18("8","9","5","4","1","6","1") = "8"
    & skf18("8","9","5","4","1","7","1") = "8"
    & skf18("8","9","5","4","1","8","1") = "8"
    & skf18("8","9","5","4","1","9","1") = "8"
    & skf18("8","9","5","4","1","10","1") = "9"
    & skf18("8","9","5","4","2","1","1") = "8"
    & skf18("8","9","5","4","2","2","1") = "8"
    & skf18("8","9","5","4","2","3","1") = "8"
    & skf18("8","9","5","4","2","4","1") = "8"
    & skf18("8","9","5","4","2","5","1") = "8"
    & skf18("8","9","5","4","2","6","1") = "8"
    & skf18("8","9","5","4","2","7","1") = "8"
    & skf18("8","9","5","4","2","8","1") = "8"
    & skf18("8","9","5","4","2","9","1") = "8"
    & skf18("8","9","5","4","2","10","1") = "9"
    & skf18("8","9","5","4","3","1","1") = "8"
    & skf18("8","9","5","4","3","2","1") = "8"
    & skf18("8","9","5","4","3","3","1") = "8"
    & skf18("8","9","5","4","3","4","1") = "8"
    & skf18("8","9","5","4","3","5","1") = "8"
    & skf18("8","9","5","4","3","6","1") = "8"
    & skf18("8","9","5","4","3","7","1") = "8"
    & skf18("8","9","5","4","3","8","1") = "8"
    & skf18("8","9","5","4","3","9","1") = "8"
    & skf18("8","9","5","4","3","10","1") = "9"
    & skf18("8","9","5","4","4","1","1") = "8"
    & skf18("8","9","5","4","4","2","1") = "8"
    & skf18("8","9","5","4","4","3","1") = "8"
    & skf18("8","9","5","4","4","4","1") = "8"
    & skf18("8","9","5","4","4","5","1") = "8"
    & skf18("8","9","5","4","4","6","1") = "8"
    & skf18("8","9","5","4","4","7","1") = "8"
    & skf18("8","9","5","4","4","8","1") = "8"
    & skf18("8","9","5","4","4","9","1") = "8"
    & skf18("8","9","5","4","4","10","1") = "9"
    & skf18("8","9","5","4","5","1","1") = "8"
    & skf18("8","9","5","4","5","2","1") = "8"
    & skf18("8","9","5","4","5","3","1") = "8"
    & skf18("8","9","5","4","5","4","1") = "8"
    & skf18("8","9","5","4","5","5","1") = "8"
    & skf18("8","9","5","4","5","6","1") = "8"
    & skf18("8","9","5","4","5","7","1") = "8"
    & skf18("8","9","5","4","5","8","1") = "8"
    & skf18("8","9","5","4","5","9","1") = "8"
    & skf18("8","9","5","4","5","10","1") = "9"
    & skf18("8","9","5","4","6","1","1") = "8"
    & skf18("8","9","5","4","6","2","1") = "8"
    & skf18("8","9","5","4","6","3","1") = "8"
    & skf18("8","9","5","4","6","4","1") = "8"
    & skf18("8","9","5","4","6","5","1") = "8"
    & skf18("8","9","5","4","6","6","1") = "8"
    & skf18("8","9","5","4","6","7","1") = "8"
    & skf18("8","9","5","4","6","8","1") = "8"
    & skf18("8","9","5","4","6","9","1") = "8"
    & skf18("8","9","5","4","6","10","1") = "9"
    & skf18("8","9","5","4","7","1","1") = "8"
    & skf18("8","9","5","4","7","2","1") = "8"
    & skf18("8","9","5","4","7","3","1") = "8"
    & skf18("8","9","5","4","7","4","1") = "8"
    & skf18("8","9","5","4","7","5","1") = "8"
    & skf18("8","9","5","4","7","6","1") = "8"
    & skf18("8","9","5","4","7","7","1") = "8"
    & skf18("8","9","5","4","7","8","1") = "8"
    & skf18("8","9","5","4","7","9","1") = "8"
    & skf18("8","9","5","4","7","10","1") = "9"
    & skf18("8","9","5","4","8","1","1") = "8"
    & skf18("8","9","5","4","8","2","1") = "8"
    & skf18("8","9","5","4","8","3","1") = "8"
    & skf18("8","9","5","4","8","4","1") = "8"
    & skf18("8","9","5","4","8","5","1") = "8"
    & skf18("8","9","5","4","8","6","1") = "8"
    & skf18("8","9","5","4","8","7","1") = "8"
    & skf18("8","9","5","4","8","8","1") = "8"
    & skf18("8","9","5","4","8","9","1") = "8"
    & skf18("8","9","5","4","8","10","1") = "9"
    & skf18("8","9","5","4","9","1","1") = "8"
    & skf18("8","9","5","4","9","2","1") = "8"
    & skf18("8","9","5","4","9","3","1") = "8"
    & skf18("8","9","5","4","9","4","1") = "8"
    & skf18("8","9","5","4","9","5","1") = "8"
    & skf18("8","9","5","4","9","6","1") = "8"
    & skf18("8","9","5","4","9","7","1") = "8"
    & skf18("8","9","5","4","9","8","1") = "8"
    & skf18("8","9","5","4","9","9","1") = "8"
    & skf18("8","9","5","4","9","10","1") = "9"
    & skf18("8","9","5","4","10","1","1") = "9"
    & skf18("8","9","5","4","10","2","1") = "9"
    & skf18("8","9","5","4","10","3","1") = "9"
    & skf18("8","9","5","4","10","4","1") = "9"
    & skf18("8","9","5","4","10","5","1") = "9"
    & skf18("8","9","5","4","10","6","1") = "9"
    & skf18("8","9","5","4","10","7","1") = "9"
    & skf18("8","9","5","4","10","8","1") = "9"
    & skf18("8","9","5","4","10","9","1") = "9"
    & skf18("8","9","5","4","10","10","1") = "9"
    & skf18("8","9","5","5","1","1","1") = "8"
    & skf18("8","9","5","5","1","2","1") = "8"
    & skf18("8","9","5","5","1","3","1") = "8"
    & skf18("8","9","5","5","1","4","1") = "8"
    & skf18("8","9","5","5","1","5","1") = "8"
    & skf18("8","9","5","5","1","6","1") = "8"
    & skf18("8","9","5","5","1","7","1") = "8"
    & skf18("8","9","5","5","1","8","1") = "8"
    & skf18("8","9","5","5","1","9","1") = "8"
    & skf18("8","9","5","5","1","10","1") = "9"
    & skf18("8","9","5","5","2","1","1") = "8"
    & skf18("8","9","5","5","2","2","1") = "8"
    & skf18("8","9","5","5","2","3","1") = "8"
    & skf18("8","9","5","5","2","4","1") = "8"
    & skf18("8","9","5","5","2","5","1") = "8"
    & skf18("8","9","5","5","2","6","1") = "8"
    & skf18("8","9","5","5","2","7","1") = "8"
    & skf18("8","9","5","5","2","8","1") = "8"
    & skf18("8","9","5","5","2","9","1") = "8"
    & skf18("8","9","5","5","2","10","1") = "9"
    & skf18("8","9","5","5","3","1","1") = "8"
    & skf18("8","9","5","5","3","2","1") = "8"
    & skf18("8","9","5","5","3","3","1") = "8"
    & skf18("8","9","5","5","3","4","1") = "8"
    & skf18("8","9","5","5","3","5","1") = "8"
    & skf18("8","9","5","5","3","6","1") = "8"
    & skf18("8","9","5","5","3","7","1") = "8"
    & skf18("8","9","5","5","3","8","1") = "8"
    & skf18("8","9","5","5","3","9","1") = "8"
    & skf18("8","9","5","5","3","10","1") = "9"
    & skf18("8","9","5","5","4","1","1") = "8"
    & skf18("8","9","5","5","4","2","1") = "8"
    & skf18("8","9","5","5","4","3","1") = "8"
    & skf18("8","9","5","5","4","4","1") = "8"
    & skf18("8","9","5","5","4","5","1") = "8"
    & skf18("8","9","5","5","4","6","1") = "8"
    & skf18("8","9","5","5","4","7","1") = "8"
    & skf18("8","9","5","5","4","8","1") = "8"
    & skf18("8","9","5","5","4","9","1") = "8"
    & skf18("8","9","5","5","4","10","1") = "9"
    & skf18("8","9","5","5","5","1","1") = "8"
    & skf18("8","9","5","5","5","2","1") = "8"
    & skf18("8","9","5","5","5","3","1") = "8"
    & skf18("8","9","5","5","5","4","1") = "8"
    & skf18("8","9","5","5","5","5","1") = "8"
    & skf18("8","9","5","5","5","6","1") = "8"
    & skf18("8","9","5","5","5","7","1") = "8"
    & skf18("8","9","5","5","5","8","1") = "8"
    & skf18("8","9","5","5","5","9","1") = "8"
    & skf18("8","9","5","5","5","10","1") = "9"
    & skf18("8","9","5","5","6","1","1") = "8"
    & skf18("8","9","5","5","6","2","1") = "8"
    & skf18("8","9","5","5","6","3","1") = "8"
    & skf18("8","9","5","5","6","4","1") = "8"
    & skf18("8","9","5","5","6","5","1") = "8"
    & skf18("8","9","5","5","6","6","1") = "8"
    & skf18("8","9","5","5","6","7","1") = "8"
    & skf18("8","9","5","5","6","8","1") = "8"
    & skf18("8","9","5","5","6","9","1") = "8"
    & skf18("8","9","5","5","6","10","1") = "9"
    & skf18("8","9","5","5","7","1","1") = "8"
    & skf18("8","9","5","5","7","2","1") = "8"
    & skf18("8","9","5","5","7","3","1") = "8"
    & skf18("8","9","5","5","7","4","1") = "8"
    & skf18("8","9","5","5","7","5","1") = "8"
    & skf18("8","9","5","5","7","6","1") = "8"
    & skf18("8","9","5","5","7","7","1") = "8"
    & skf18("8","9","5","5","7","8","1") = "8"
    & skf18("8","9","5","5","7","9","1") = "8"
    & skf18("8","9","5","5","7","10","1") = "9"
    & skf18("8","9","5","5","8","1","1") = "8"
    & skf18("8","9","5","5","8","2","1") = "8"
    & skf18("8","9","5","5","8","3","1") = "8"
    & skf18("8","9","5","5","8","4","1") = "8"
    & skf18("8","9","5","5","8","5","1") = "8"
    & skf18("8","9","5","5","8","6","1") = "8"
    & skf18("8","9","5","5","8","7","1") = "8"
    & skf18("8","9","5","5","8","8","1") = "8"
    & skf18("8","9","5","5","8","9","1") = "8"
    & skf18("8","9","5","5","8","10","1") = "9"
    & skf18("8","9","5","5","9","1","1") = "8"
    & skf18("8","9","5","5","9","2","1") = "8"
    & skf18("8","9","5","5","9","3","1") = "8"
    & skf18("8","9","5","5","9","4","1") = "8"
    & skf18("8","9","5","5","9","5","1") = "8"
    & skf18("8","9","5","5","9","6","1") = "8"
    & skf18("8","9","5","5","9","7","1") = "8"
    & skf18("8","9","5","5","9","8","1") = "8"
    & skf18("8","9","5","5","9","9","1") = "8"
    & skf18("8","9","5","5","9","10","1") = "9"
    & skf18("8","9","5","5","10","1","1") = "9"
    & skf18("8","9","5","5","10","2","1") = "9"
    & skf18("8","9","5","5","10","3","1") = "9"
    & skf18("8","9","5","5","10","4","1") = "9"
    & skf18("8","9","5","5","10","5","1") = "9"
    & skf18("8","9","5","5","10","6","1") = "9"
    & skf18("8","9","5","5","10","7","1") = "9"
    & skf18("8","9","5","5","10","8","1") = "9"
    & skf18("8","9","5","5","10","9","1") = "9"
    & skf18("8","9","5","5","10","10","1") = "9"
    & skf18("8","9","5","6","1","1","1") = "8"
    & skf18("8","9","5","6","1","2","1") = "8"
    & skf18("8","9","5","6","1","3","1") = "8"
    & skf18("8","9","5","6","1","4","1") = "8"
    & skf18("8","9","5","6","1","5","1") = "8"
    & skf18("8","9","5","6","1","6","1") = "8"
    & skf18("8","9","5","6","1","7","1") = "8"
    & skf18("8","9","5","6","1","8","1") = "8"
    & skf18("8","9","5","6","1","9","1") = "8"
    & skf18("8","9","5","6","1","10","1") = "9"
    & skf18("8","9","5","6","2","1","1") = "8"
    & skf18("8","9","5","6","2","2","1") = "8"
    & skf18("8","9","5","6","2","3","1") = "8"
    & skf18("8","9","5","6","2","4","1") = "8"
    & skf18("8","9","5","6","2","5","1") = "8"
    & skf18("8","9","5","6","2","6","1") = "8"
    & skf18("8","9","5","6","2","7","1") = "8"
    & skf18("8","9","5","6","2","8","1") = "8"
    & skf18("8","9","5","6","2","9","1") = "8"
    & skf18("8","9","5","6","2","10","1") = "9"
    & skf18("8","9","5","6","3","1","1") = "8"
    & skf18("8","9","5","6","3","2","1") = "8"
    & skf18("8","9","5","6","3","3","1") = "8"
    & skf18("8","9","5","6","3","4","1") = "8"
    & skf18("8","9","5","6","3","5","1") = "8"
    & skf18("8","9","5","6","3","6","1") = "8"
    & skf18("8","9","5","6","3","7","1") = "8"
    & skf18("8","9","5","6","3","8","1") = "8"
    & skf18("8","9","5","6","3","9","1") = "8"
    & skf18("8","9","5","6","3","10","1") = "9"
    & skf18("8","9","5","6","4","1","1") = "8"
    & skf18("8","9","5","6","4","2","1") = "8"
    & skf18("8","9","5","6","4","3","1") = "8"
    & skf18("8","9","5","6","4","4","1") = "8"
    & skf18("8","9","5","6","4","5","1") = "8"
    & skf18("8","9","5","6","4","6","1") = "8"
    & skf18("8","9","5","6","4","7","1") = "8"
    & skf18("8","9","5","6","4","8","1") = "8"
    & skf18("8","9","5","6","4","9","1") = "8"
    & skf18("8","9","5","6","4","10","1") = "9"
    & skf18("8","9","5","6","5","1","1") = "8"
    & skf18("8","9","5","6","5","2","1") = "8"
    & skf18("8","9","5","6","5","3","1") = "8"
    & skf18("8","9","5","6","5","4","1") = "8"
    & skf18("8","9","5","6","5","5","1") = "8"
    & skf18("8","9","5","6","5","6","1") = "8"
    & skf18("8","9","5","6","5","7","1") = "8"
    & skf18("8","9","5","6","5","8","1") = "8"
    & skf18("8","9","5","6","5","9","1") = "8"
    & skf18("8","9","5","6","5","10","1") = "9"
    & skf18("8","9","5","6","6","1","1") = "8"
    & skf18("8","9","5","6","6","2","1") = "8"
    & skf18("8","9","5","6","6","3","1") = "8"
    & skf18("8","9","5","6","6","4","1") = "8"
    & skf18("8","9","5","6","6","5","1") = "8"
    & skf18("8","9","5","6","6","6","1") = "8"
    & skf18("8","9","5","6","6","7","1") = "8"
    & skf18("8","9","5","6","6","8","1") = "8"
    & skf18("8","9","5","6","6","9","1") = "8"
    & skf18("8","9","5","6","6","10","1") = "9"
    & skf18("8","9","5","6","7","1","1") = "8"
    & skf18("8","9","5","6","7","2","1") = "8"
    & skf18("8","9","5","6","7","3","1") = "8"
    & skf18("8","9","5","6","7","4","1") = "8"
    & skf18("8","9","5","6","7","5","1") = "8"
    & skf18("8","9","5","6","7","6","1") = "8"
    & skf18("8","9","5","6","7","7","1") = "8"
    & skf18("8","9","5","6","7","8","1") = "8"
    & skf18("8","9","5","6","7","9","1") = "8"
    & skf18("8","9","5","6","7","10","1") = "9"
    & skf18("8","9","5","6","8","1","1") = "8"
    & skf18("8","9","5","6","8","2","1") = "8"
    & skf18("8","9","5","6","8","3","1") = "8"
    & skf18("8","9","5","6","8","4","1") = "8"
    & skf18("8","9","5","6","8","5","1") = "8"
    & skf18("8","9","5","6","8","6","1") = "8"
    & skf18("8","9","5","6","8","7","1") = "8"
    & skf18("8","9","5","6","8","8","1") = "8"
    & skf18("8","9","5","6","8","9","1") = "8"
    & skf18("8","9","5","6","8","10","1") = "9"
    & skf18("8","9","5","6","9","1","1") = "8"
    & skf18("8","9","5","6","9","2","1") = "8"
    & skf18("8","9","5","6","9","3","1") = "8"
    & skf18("8","9","5","6","9","4","1") = "8"
    & skf18("8","9","5","6","9","5","1") = "8"
    & skf18("8","9","5","6","9","6","1") = "8"
    & skf18("8","9","5","6","9","7","1") = "8"
    & skf18("8","9","5","6","9","8","1") = "8"
    & skf18("8","9","5","6","9","9","1") = "8"
    & skf18("8","9","5","6","9","10","1") = "9"
    & skf18("8","9","5","6","10","1","1") = "9"
    & skf18("8","9","5","6","10","2","1") = "9"
    & skf18("8","9","5","6","10","3","1") = "9"
    & skf18("8","9","5","6","10","4","1") = "9"
    & skf18("8","9","5","6","10","5","1") = "9"
    & skf18("8","9","5","6","10","6","1") = "9"
    & skf18("8","9","5","6","10","7","1") = "9"
    & skf18("8","9","5","6","10","8","1") = "9"
    & skf18("8","9","5","6","10","9","1") = "9"
    & skf18("8","9","5","6","10","10","1") = "9"
    & skf18("8","9","5","7","1","1","1") = "8"
    & skf18("8","9","5","7","1","2","1") = "8"
    & skf18("8","9","5","7","1","3","1") = "8"
    & skf18("8","9","5","7","1","4","1") = "8"
    & skf18("8","9","5","7","1","5","1") = "8"
    & skf18("8","9","5","7","1","6","1") = "8"
    & skf18("8","9","5","7","1","7","1") = "8"
    & skf18("8","9","5","7","1","8","1") = "8"
    & skf18("8","9","5","7","1","9","1") = "8"
    & skf18("8","9","5","7","1","10","1") = "9"
    & skf18("8","9","5","7","2","1","1") = "8"
    & skf18("8","9","5","7","2","2","1") = "8"
    & skf18("8","9","5","7","2","3","1") = "8"
    & skf18("8","9","5","7","2","4","1") = "8"
    & skf18("8","9","5","7","2","5","1") = "8"
    & skf18("8","9","5","7","2","6","1") = "8"
    & skf18("8","9","5","7","2","7","1") = "8"
    & skf18("8","9","5","7","2","8","1") = "8"
    & skf18("8","9","5","7","2","9","1") = "8"
    & skf18("8","9","5","7","2","10","1") = "9"
    & skf18("8","9","5","7","3","1","1") = "8"
    & skf18("8","9","5","7","3","2","1") = "8"
    & skf18("8","9","5","7","3","3","1") = "8"
    & skf18("8","9","5","7","3","4","1") = "8"
    & skf18("8","9","5","7","3","5","1") = "8"
    & skf18("8","9","5","7","3","6","1") = "8"
    & skf18("8","9","5","7","3","7","1") = "8"
    & skf18("8","9","5","7","3","8","1") = "8"
    & skf18("8","9","5","7","3","9","1") = "8"
    & skf18("8","9","5","7","3","10","1") = "9"
    & skf18("8","9","5","7","4","1","1") = "8"
    & skf18("8","9","5","7","4","2","1") = "8"
    & skf18("8","9","5","7","4","3","1") = "8"
    & skf18("8","9","5","7","4","4","1") = "8"
    & skf18("8","9","5","7","4","5","1") = "8"
    & skf18("8","9","5","7","4","6","1") = "8"
    & skf18("8","9","5","7","4","7","1") = "8"
    & skf18("8","9","5","7","4","8","1") = "8"
    & skf18("8","9","5","7","4","9","1") = "8"
    & skf18("8","9","5","7","4","10","1") = "9"
    & skf18("8","9","5","7","5","1","1") = "8"
    & skf18("8","9","5","7","5","2","1") = "8"
    & skf18("8","9","5","7","5","3","1") = "8"
    & skf18("8","9","5","7","5","4","1") = "8"
    & skf18("8","9","5","7","5","5","1") = "8"
    & skf18("8","9","5","7","5","6","1") = "8"
    & skf18("8","9","5","7","5","7","1") = "8"
    & skf18("8","9","5","7","5","8","1") = "8"
    & skf18("8","9","5","7","5","9","1") = "8"
    & skf18("8","9","5","7","5","10","1") = "9"
    & skf18("8","9","5","7","6","1","1") = "8"
    & skf18("8","9","5","7","6","2","1") = "8"
    & skf18("8","9","5","7","6","3","1") = "8"
    & skf18("8","9","5","7","6","4","1") = "8"
    & skf18("8","9","5","7","6","5","1") = "8"
    & skf18("8","9","5","7","6","6","1") = "8"
    & skf18("8","9","5","7","6","7","1") = "8"
    & skf18("8","9","5","7","6","8","1") = "8"
    & skf18("8","9","5","7","6","9","1") = "8"
    & skf18("8","9","5","7","6","10","1") = "9"
    & skf18("8","9","5","7","7","1","1") = "8"
    & skf18("8","9","5","7","7","2","1") = "8"
    & skf18("8","9","5","7","7","3","1") = "8"
    & skf18("8","9","5","7","7","4","1") = "8"
    & skf18("8","9","5","7","7","5","1") = "8"
    & skf18("8","9","5","7","7","6","1") = "8"
    & skf18("8","9","5","7","7","7","1") = "8"
    & skf18("8","9","5","7","7","8","1") = "8"
    & skf18("8","9","5","7","7","9","1") = "8"
    & skf18("8","9","5","7","7","10","1") = "9"
    & skf18("8","9","5","7","8","1","1") = "8"
    & skf18("8","9","5","7","8","2","1") = "8"
    & skf18("8","9","5","7","8","3","1") = "8"
    & skf18("8","9","5","7","8","4","1") = "8"
    & skf18("8","9","5","7","8","5","1") = "8"
    & skf18("8","9","5","7","8","6","1") = "8"
    & skf18("8","9","5","7","8","7","1") = "8"
    & skf18("8","9","5","7","8","8","1") = "8"
    & skf18("8","9","5","7","8","9","1") = "8"
    & skf18("8","9","5","7","8","10","1") = "9"
    & skf18("8","9","5","7","9","1","1") = "8"
    & skf18("8","9","5","7","9","2","1") = "8"
    & skf18("8","9","5","7","9","3","1") = "8"
    & skf18("8","9","5","7","9","4","1") = "8"
    & skf18("8","9","5","7","9","5","1") = "8"
    & skf18("8","9","5","7","9","6","1") = "8"
    & skf18("8","9","5","7","9","7","1") = "8"
    & skf18("8","9","5","7","9","8","1") = "8"
    & skf18("8","9","5","7","9","9","1") = "8"
    & skf18("8","9","5","7","9","10","1") = "9"
    & skf18("8","9","5","7","10","1","1") = "9"
    & skf18("8","9","5","7","10","2","1") = "9"
    & skf18("8","9","5","7","10","3","1") = "9"
    & skf18("8","9","5","7","10","4","1") = "9"
    & skf18("8","9","5","7","10","5","1") = "9"
    & skf18("8","9","5","7","10","6","1") = "9"
    & skf18("8","9","5","7","10","7","1") = "9"
    & skf18("8","9","5","7","10","8","1") = "9"
    & skf18("8","9","5","7","10","9","1") = "9"
    & skf18("8","9","5","7","10","10","1") = "9"
    & skf18("8","9","5","8","1","1","1") = "8"
    & skf18("8","9","5","8","1","2","1") = "8"
    & skf18("8","9","5","8","1","3","1") = "8"
    & skf18("8","9","5","8","1","4","1") = "8"
    & skf18("8","9","5","8","1","5","1") = "8"
    & skf18("8","9","5","8","1","6","1") = "8"
    & skf18("8","9","5","8","1","7","1") = "8"
    & skf18("8","9","5","8","1","8","1") = "8"
    & skf18("8","9","5","8","1","9","1") = "8"
    & skf18("8","9","5","8","1","10","1") = "9"
    & skf18("8","9","5","8","2","1","1") = "8"
    & skf18("8","9","5","8","2","2","1") = "8"
    & skf18("8","9","5","8","2","3","1") = "8"
    & skf18("8","9","5","8","2","4","1") = "8"
    & skf18("8","9","5","8","2","5","1") = "8"
    & skf18("8","9","5","8","2","6","1") = "8"
    & skf18("8","9","5","8","2","7","1") = "8"
    & skf18("8","9","5","8","2","8","1") = "8"
    & skf18("8","9","5","8","2","9","1") = "8"
    & skf18("8","9","5","8","2","10","1") = "9"
    & skf18("8","9","5","8","3","1","1") = "8"
    & skf18("8","9","5","8","3","2","1") = "8"
    & skf18("8","9","5","8","3","3","1") = "8"
    & skf18("8","9","5","8","3","4","1") = "8"
    & skf18("8","9","5","8","3","5","1") = "8"
    & skf18("8","9","5","8","3","6","1") = "8"
    & skf18("8","9","5","8","3","7","1") = "8"
    & skf18("8","9","5","8","3","8","1") = "8"
    & skf18("8","9","5","8","3","9","1") = "8"
    & skf18("8","9","5","8","3","10","1") = "9"
    & skf18("8","9","5","8","4","1","1") = "8"
    & skf18("8","9","5","8","4","2","1") = "8"
    & skf18("8","9","5","8","4","3","1") = "8"
    & skf18("8","9","5","8","4","4","1") = "8"
    & skf18("8","9","5","8","4","5","1") = "8"
    & skf18("8","9","5","8","4","6","1") = "8"
    & skf18("8","9","5","8","4","7","1") = "8"
    & skf18("8","9","5","8","4","8","1") = "8"
    & skf18("8","9","5","8","4","9","1") = "8"
    & skf18("8","9","5","8","4","10","1") = "9"
    & skf18("8","9","5","8","5","1","1") = "8"
    & skf18("8","9","5","8","5","2","1") = "8"
    & skf18("8","9","5","8","5","3","1") = "8"
    & skf18("8","9","5","8","5","4","1") = "8"
    & skf18("8","9","5","8","5","5","1") = "8"
    & skf18("8","9","5","8","5","6","1") = "8"
    & skf18("8","9","5","8","5","7","1") = "8"
    & skf18("8","9","5","8","5","8","1") = "8"
    & skf18("8","9","5","8","5","9","1") = "8"
    & skf18("8","9","5","8","5","10","1") = "9"
    & skf18("8","9","5","8","6","1","1") = "8"
    & skf18("8","9","5","8","6","2","1") = "8"
    & skf18("8","9","5","8","6","3","1") = "8"
    & skf18("8","9","5","8","6","4","1") = "8"
    & skf18("8","9","5","8","6","5","1") = "8"
    & skf18("8","9","5","8","6","6","1") = "8"
    & skf18("8","9","5","8","6","7","1") = "8"
    & skf18("8","9","5","8","6","8","1") = "8"
    & skf18("8","9","5","8","6","9","1") = "8"
    & skf18("8","9","5","8","6","10","1") = "9"
    & skf18("8","9","5","8","7","1","1") = "8"
    & skf18("8","9","5","8","7","2","1") = "8"
    & skf18("8","9","5","8","7","3","1") = "8"
    & skf18("8","9","5","8","7","4","1") = "8"
    & skf18("8","9","5","8","7","5","1") = "8"
    & skf18("8","9","5","8","7","6","1") = "8"
    & skf18("8","9","5","8","7","7","1") = "8"
    & skf18("8","9","5","8","7","8","1") = "8"
    & skf18("8","9","5","8","7","9","1") = "8"
    & skf18("8","9","5","8","7","10","1") = "9"
    & skf18("8","9","5","8","8","1","1") = "8"
    & skf18("8","9","5","8","8","2","1") = "8"
    & skf18("8","9","5","8","8","3","1") = "8"
    & skf18("8","9","5","8","8","4","1") = "8"
    & skf18("8","9","5","8","8","5","1") = "8"
    & skf18("8","9","5","8","8","6","1") = "8"
    & skf18("8","9","5","8","8","7","1") = "8"
    & skf18("8","9","5","8","8","8","1") = "8"
    & skf18("8","9","5","8","8","9","1") = "8"
    & skf18("8","9","5","8","8","10","1") = "9"
    & skf18("8","9","5","8","9","1","1") = "8"
    & skf18("8","9","5","8","9","2","1") = "8"
    & skf18("8","9","5","8","9","3","1") = "8"
    & skf18("8","9","5","8","9","4","1") = "8"
    & skf18("8","9","5","8","9","5","1") = "8"
    & skf18("8","9","5","8","9","6","1") = "8"
    & skf18("8","9","5","8","9","7","1") = "8"
    & skf18("8","9","5","8","9","8","1") = "8"
    & skf18("8","9","5","8","9","9","1") = "8"
    & skf18("8","9","5","8","9","10","1") = "9"
    & skf18("8","9","5","8","10","1","1") = "9"
    & skf18("8","9","5","8","10","2","1") = "9"
    & skf18("8","9","5","8","10","3","1") = "9"
    & skf18("8","9","5","8","10","4","1") = "9"
    & skf18("8","9","5","8","10","5","1") = "9"
    & skf18("8","9","5","8","10","6","1") = "9"
    & skf18("8","9","5","8","10","7","1") = "9"
    & skf18("8","9","5","8","10","8","1") = "9"
    & skf18("8","9","5","8","10","9","1") = "9"
    & skf18("8","9","5","8","10","10","1") = "9"
    & skf18("8","9","5","9","1","1","1") = "8"
    & skf18("8","9","5","9","1","2","1") = "8"
    & skf18("8","9","5","9","1","3","1") = "8"
    & skf18("8","9","5","9","1","4","1") = "8"
    & skf18("8","9","5","9","1","5","1") = "8"
    & skf18("8","9","5","9","1","6","1") = "8"
    & skf18("8","9","5","9","1","7","1") = "8"
    & skf18("8","9","5","9","1","8","1") = "8"
    & skf18("8","9","5","9","1","9","1") = "8"
    & skf18("8","9","5","9","1","10","1") = "9"
    & skf18("8","9","5","9","2","1","1") = "8"
    & skf18("8","9","5","9","2","2","1") = "8"
    & skf18("8","9","5","9","2","3","1") = "8"
    & skf18("8","9","5","9","2","4","1") = "8"
    & skf18("8","9","5","9","2","5","1") = "8"
    & skf18("8","9","5","9","2","6","1") = "8"
    & skf18("8","9","5","9","2","7","1") = "8"
    & skf18("8","9","5","9","2","8","1") = "8"
    & skf18("8","9","5","9","2","9","1") = "8"
    & skf18("8","9","5","9","2","10","1") = "9"
    & skf18("8","9","5","9","3","1","1") = "8"
    & skf18("8","9","5","9","3","2","1") = "8"
    & skf18("8","9","5","9","3","3","1") = "8"
    & skf18("8","9","5","9","3","4","1") = "8"
    & skf18("8","9","5","9","3","5","1") = "8"
    & skf18("8","9","5","9","3","6","1") = "8"
    & skf18("8","9","5","9","3","7","1") = "8"
    & skf18("8","9","5","9","3","8","1") = "8"
    & skf18("8","9","5","9","3","9","1") = "8"
    & skf18("8","9","5","9","3","10","1") = "9"
    & skf18("8","9","5","9","4","1","1") = "8"
    & skf18("8","9","5","9","4","2","1") = "8"
    & skf18("8","9","5","9","4","3","1") = "8"
    & skf18("8","9","5","9","4","4","1") = "8"
    & skf18("8","9","5","9","4","5","1") = "8"
    & skf18("8","9","5","9","4","6","1") = "8"
    & skf18("8","9","5","9","4","7","1") = "8"
    & skf18("8","9","5","9","4","8","1") = "8"
    & skf18("8","9","5","9","4","9","1") = "8"
    & skf18("8","9","5","9","4","10","1") = "9"
    & skf18("8","9","5","9","5","1","1") = "8"
    & skf18("8","9","5","9","5","2","1") = "8"
    & skf18("8","9","5","9","5","3","1") = "8"
    & skf18("8","9","5","9","5","4","1") = "8"
    & skf18("8","9","5","9","5","5","1") = "8"
    & skf18("8","9","5","9","5","6","1") = "8"
    & skf18("8","9","5","9","5","7","1") = "8"
    & skf18("8","9","5","9","5","8","1") = "8"
    & skf18("8","9","5","9","5","9","1") = "8"
    & skf18("8","9","5","9","5","10","1") = "9"
    & skf18("8","9","5","9","6","1","1") = "8"
    & skf18("8","9","5","9","6","2","1") = "8"
    & skf18("8","9","5","9","6","3","1") = "8"
    & skf18("8","9","5","9","6","4","1") = "8"
    & skf18("8","9","5","9","6","5","1") = "8"
    & skf18("8","9","5","9","6","6","1") = "8"
    & skf18("8","9","5","9","6","7","1") = "8"
    & skf18("8","9","5","9","6","8","1") = "8"
    & skf18("8","9","5","9","6","9","1") = "8"
    & skf18("8","9","5","9","6","10","1") = "9"
    & skf18("8","9","5","9","7","1","1") = "8"
    & skf18("8","9","5","9","7","2","1") = "8"
    & skf18("8","9","5","9","7","3","1") = "8"
    & skf18("8","9","5","9","7","4","1") = "8"
    & skf18("8","9","5","9","7","5","1") = "8"
    & skf18("8","9","5","9","7","6","1") = "8"
    & skf18("8","9","5","9","7","7","1") = "8"
    & skf18("8","9","5","9","7","8","1") = "8"
    & skf18("8","9","5","9","7","9","1") = "8"
    & skf18("8","9","5","9","7","10","1") = "9"
    & skf18("8","9","5","9","8","1","1") = "8"
    & skf18("8","9","5","9","8","2","1") = "8"
    & skf18("8","9","5","9","8","3","1") = "8"
    & skf18("8","9","5","9","8","4","1") = "8"
    & skf18("8","9","5","9","8","5","1") = "8"
    & skf18("8","9","5","9","8","6","1") = "8"
    & skf18("8","9","5","9","8","7","1") = "8"
    & skf18("8","9","5","9","8","8","1") = "8"
    & skf18("8","9","5","9","8","9","1") = "8"
    & skf18("8","9","5","9","8","10","1") = "9"
    & skf18("8","9","5","9","9","1","1") = "8"
    & skf18("8","9","5","9","9","2","1") = "8"
    & skf18("8","9","5","9","9","3","1") = "8"
    & skf18("8","9","5","9","9","4","1") = "8"
    & skf18("8","9","5","9","9","5","1") = "8"
    & skf18("8","9","5","9","9","6","1") = "8"
    & skf18("8","9","5","9","9","7","1") = "8"
    & skf18("8","9","5","9","9","8","1") = "8"
    & skf18("8","9","5","9","9","9","1") = "8"
    & skf18("8","9","5","9","9","10","1") = "9"
    & skf18("8","9","5","9","10","1","1") = "9"
    & skf18("8","9","5","9","10","2","1") = "9"
    & skf18("8","9","5","9","10","3","1") = "9"
    & skf18("8","9","5","9","10","4","1") = "9"
    & skf18("8","9","5","9","10","5","1") = "9"
    & skf18("8","9","5","9","10","6","1") = "9"
    & skf18("8","9","5","9","10","7","1") = "9"
    & skf18("8","9","5","9","10","8","1") = "9"
    & skf18("8","9","5","9","10","9","1") = "9"
    & skf18("8","9","5","9","10","10","1") = "9"
    & skf18("8","9","5","10","1","1","1") = "9"
    & skf18("8","9","5","10","1","2","1") = "9"
    & skf18("8","9","5","10","1","3","1") = "9"
    & skf18("8","9","5","10","1","4","1") = "9"
    & skf18("8","9","5","10","1","5","1") = "9"
    & skf18("8","9","5","10","1","6","1") = "9"
    & skf18("8","9","5","10","1","7","1") = "9"
    & skf18("8","9","5","10","1","8","1") = "9"
    & skf18("8","9","5","10","1","9","1") = "9"
    & skf18("8","9","5","10","1","10","1") = "9"
    & skf18("8","9","5","10","2","1","1") = "9"
    & skf18("8","9","5","10","2","2","1") = "9"
    & skf18("8","9","5","10","2","3","1") = "9"
    & skf18("8","9","5","10","2","4","1") = "9"
    & skf18("8","9","5","10","2","5","1") = "9"
    & skf18("8","9","5","10","2","6","1") = "9"
    & skf18("8","9","5","10","2","7","1") = "9"
    & skf18("8","9","5","10","2","8","1") = "9"
    & skf18("8","9","5","10","2","9","1") = "9"
    & skf18("8","9","5","10","2","10","1") = "9"
    & skf18("8","9","5","10","3","1","1") = "9"
    & skf18("8","9","5","10","3","2","1") = "9"
    & skf18("8","9","5","10","3","3","1") = "9"
    & skf18("8","9","5","10","3","4","1") = "9"
    & skf18("8","9","5","10","3","5","1") = "9"
    & skf18("8","9","5","10","3","6","1") = "9"
    & skf18("8","9","5","10","3","7","1") = "9"
    & skf18("8","9","5","10","3","8","1") = "9"
    & skf18("8","9","5","10","3","9","1") = "9"
    & skf18("8","9","5","10","3","10","1") = "9"
    & skf18("8","9","5","10","4","1","1") = "9"
    & skf18("8","9","5","10","4","2","1") = "9"
    & skf18("8","9","5","10","4","3","1") = "9"
    & skf18("8","9","5","10","4","4","1") = "9"
    & skf18("8","9","5","10","4","5","1") = "9"
    & skf18("8","9","5","10","4","6","1") = "9"
    & skf18("8","9","5","10","4","7","1") = "9"
    & skf18("8","9","5","10","4","8","1") = "9"
    & skf18("8","9","5","10","4","9","1") = "9"
    & skf18("8","9","5","10","4","10","1") = "9"
    & skf18("8","9","5","10","5","1","1") = "9"
    & skf18("8","9","5","10","5","2","1") = "9"
    & skf18("8","9","5","10","5","3","1") = "9"
    & skf18("8","9","5","10","5","4","1") = "9"
    & skf18("8","9","5","10","5","5","1") = "9"
    & skf18("8","9","5","10","5","6","1") = "9"
    & skf18("8","9","5","10","5","7","1") = "9"
    & skf18("8","9","5","10","5","8","1") = "9"
    & skf18("8","9","5","10","5","9","1") = "9"
    & skf18("8","9","5","10","5","10","1") = "9"
    & skf18("8","9","5","10","6","1","1") = "9"
    & skf18("8","9","5","10","6","2","1") = "9"
    & skf18("8","9","5","10","6","3","1") = "9"
    & skf18("8","9","5","10","6","4","1") = "9"
    & skf18("8","9","5","10","6","5","1") = "9"
    & skf18("8","9","5","10","6","6","1") = "9"
    & skf18("8","9","5","10","6","7","1") = "9"
    & skf18("8","9","5","10","6","8","1") = "9"
    & skf18("8","9","5","10","6","9","1") = "9"
    & skf18("8","9","5","10","6","10","1") = "9"
    & skf18("8","9","5","10","7","1","1") = "9"
    & skf18("8","9","5","10","7","2","1") = "9"
    & skf18("8","9","5","10","7","3","1") = "9"
    & skf18("8","9","5","10","7","4","1") = "9"
    & skf18("8","9","5","10","7","5","1") = "9"
    & skf18("8","9","5","10","7","6","1") = "9"
    & skf18("8","9","5","10","7","7","1") = "9"
    & skf18("8","9","5","10","7","8","1") = "9"
    & skf18("8","9","5","10","7","9","1") = "9"
    & skf18("8","9","5","10","7","10","1") = "9"
    & skf18("8","9","5","10","8","1","1") = "9"
    & skf18("8","9","5","10","8","2","1") = "9"
    & skf18("8","9","5","10","8","3","1") = "9"
    & skf18("8","9","5","10","8","4","1") = "9"
    & skf18("8","9","5","10","8","5","1") = "9"
    & skf18("8","9","5","10","8","6","1") = "9"
    & skf18("8","9","5","10","8","7","1") = "9"
    & skf18("8","9","5","10","8","8","1") = "9"
    & skf18("8","9","5","10","8","9","1") = "9"
    & skf18("8","9","5","10","8","10","1") = "9"
    & skf18("8","9","5","10","9","1","1") = "9"
    & skf18("8","9","5","10","9","2","1") = "9"
    & skf18("8","9","5","10","9","3","1") = "9"
    & skf18("8","9","5","10","9","4","1") = "9"
    & skf18("8","9","5","10","9","5","1") = "9"
    & skf18("8","9","5","10","9","6","1") = "9"
    & skf18("8","9","5","10","9","7","1") = "9"
    & skf18("8","9","5","10","9","8","1") = "9"
    & skf18("8","9","5","10","9","9","1") = "9"
    & skf18("8","9","5","10","9","10","1") = "9"
    & skf18("8","9","5","10","10","1","1") = "9"
    & skf18("8","9","5","10","10","2","1") = "9"
    & skf18("8","9","5","10","10","3","1") = "9"
    & skf18("8","9","5","10","10","4","1") = "9"
    & skf18("8","9","5","10","10","5","1") = "9"
    & skf18("8","9","5","10","10","6","1") = "9"
    & skf18("8","9","5","10","10","7","1") = "9"
    & skf18("8","9","5","10","10","8","1") = "9"
    & skf18("8","9","5","10","10","9","1") = "9"
    & skf18("8","9","5","10","10","10","1") = "9"
    & skf18("8","9","6","1","1","1","1") = "8"
    & skf18("8","9","6","1","1","2","1") = "8"
    & skf18("8","9","6","1","1","3","1") = "8"
    & skf18("8","9","6","1","1","4","1") = "8"
    & skf18("8","9","6","1","1","5","1") = "8"
    & skf18("8","9","6","1","1","6","1") = "8"
    & skf18("8","9","6","1","1","7","1") = "8"
    & skf18("8","9","6","1","1","8","1") = "8"
    & skf18("8","9","6","1","1","9","1") = "8"
    & skf18("8","9","6","1","1","10","1") = "9"
    & skf18("8","9","6","1","2","1","1") = "8"
    & skf18("8","9","6","1","2","2","1") = "8"
    & skf18("8","9","6","1","2","3","1") = "8"
    & skf18("8","9","6","1","2","4","1") = "8"
    & skf18("8","9","6","1","2","5","1") = "8"
    & skf18("8","9","6","1","2","6","1") = "8"
    & skf18("8","9","6","1","2","7","1") = "8"
    & skf18("8","9","6","1","2","8","1") = "8"
    & skf18("8","9","6","1","2","9","1") = "8"
    & skf18("8","9","6","1","2","10","1") = "9"
    & skf18("8","9","6","1","3","1","1") = "8"
    & skf18("8","9","6","1","3","2","1") = "8"
    & skf18("8","9","6","1","3","3","1") = "8"
    & skf18("8","9","6","1","3","4","1") = "8"
    & skf18("8","9","6","1","3","5","1") = "8"
    & skf18("8","9","6","1","3","6","1") = "8"
    & skf18("8","9","6","1","3","7","1") = "8"
    & skf18("8","9","6","1","3","8","1") = "8"
    & skf18("8","9","6","1","3","9","1") = "8"
    & skf18("8","9","6","1","3","10","1") = "9"
    & skf18("8","9","6","1","4","1","1") = "8"
    & skf18("8","9","6","1","4","2","1") = "8"
    & skf18("8","9","6","1","4","3","1") = "8"
    & skf18("8","9","6","1","4","4","1") = "8"
    & skf18("8","9","6","1","4","5","1") = "8"
    & skf18("8","9","6","1","4","6","1") = "8"
    & skf18("8","9","6","1","4","7","1") = "8"
    & skf18("8","9","6","1","4","8","1") = "8"
    & skf18("8","9","6","1","4","9","1") = "8"
    & skf18("8","9","6","1","4","10","1") = "9"
    & skf18("8","9","6","1","5","1","1") = "8"
    & skf18("8","9","6","1","5","2","1") = "8"
    & skf18("8","9","6","1","5","3","1") = "8"
    & skf18("8","9","6","1","5","4","1") = "8"
    & skf18("8","9","6","1","5","5","1") = "8"
    & skf18("8","9","6","1","5","6","1") = "8"
    & skf18("8","9","6","1","5","7","1") = "8"
    & skf18("8","9","6","1","5","8","1") = "8"
    & skf18("8","9","6","1","5","9","1") = "8"
    & skf18("8","9","6","1","5","10","1") = "9"
    & skf18("8","9","6","1","6","1","1") = "8"
    & skf18("8","9","6","1","6","2","1") = "8"
    & skf18("8","9","6","1","6","3","1") = "8"
    & skf18("8","9","6","1","6","4","1") = "8"
    & skf18("8","9","6","1","6","5","1") = "8"
    & skf18("8","9","6","1","6","6","1") = "8"
    & skf18("8","9","6","1","6","7","1") = "8"
    & skf18("8","9","6","1","6","8","1") = "8"
    & skf18("8","9","6","1","6","9","1") = "8"
    & skf18("8","9","6","1","6","10","1") = "9"
    & skf18("8","9","6","1","7","1","1") = "8"
    & skf18("8","9","6","1","7","2","1") = "8"
    & skf18("8","9","6","1","7","3","1") = "8"
    & skf18("8","9","6","1","7","4","1") = "8"
    & skf18("8","9","6","1","7","5","1") = "8"
    & skf18("8","9","6","1","7","6","1") = "8"
    & skf18("8","9","6","1","7","7","1") = "8"
    & skf18("8","9","6","1","7","8","1") = "8"
    & skf18("8","9","6","1","7","9","1") = "8"
    & skf18("8","9","6","1","7","10","1") = "9"
    & skf18("8","9","6","1","8","1","1") = "8"
    & skf18("8","9","6","1","8","2","1") = "8"
    & skf18("8","9","6","1","8","3","1") = "8"
    & skf18("8","9","6","1","8","4","1") = "8"
    & skf18("8","9","6","1","8","5","1") = "8"
    & skf18("8","9","6","1","8","6","1") = "8"
    & skf18("8","9","6","1","8","7","1") = "8"
    & skf18("8","9","6","1","8","8","1") = "8"
    & skf18("8","9","6","1","8","9","1") = "8"
    & skf18("8","9","6","1","8","10","1") = "9"
    & skf18("8","9","6","1","9","1","1") = "8"
    & skf18("8","9","6","1","9","2","1") = "8"
    & skf18("8","9","6","1","9","3","1") = "8"
    & skf18("8","9","6","1","9","4","1") = "8"
    & skf18("8","9","6","1","9","5","1") = "8"
    & skf18("8","9","6","1","9","6","1") = "8"
    & skf18("8","9","6","1","9","7","1") = "8"
    & skf18("8","9","6","1","9","8","1") = "8"
    & skf18("8","9","6","1","9","9","1") = "8"
    & skf18("8","9","6","1","9","10","1") = "9"
    & skf18("8","9","6","1","10","1","1") = "9"
    & skf18("8","9","6","1","10","2","1") = "9"
    & skf18("8","9","6","1","10","3","1") = "9"
    & skf18("8","9","6","1","10","4","1") = "9"
    & skf18("8","9","6","1","10","5","1") = "9"
    & skf18("8","9","6","1","10","6","1") = "9"
    & skf18("8","9","6","1","10","7","1") = "9"
    & skf18("8","9","6","1","10","8","1") = "9"
    & skf18("8","9","6","1","10","9","1") = "9"
    & skf18("8","9","6","1","10","10","1") = "9"
    & skf18("8","9","6","2","1","1","1") = "8"
    & skf18("8","9","6","2","1","2","1") = "8"
    & skf18("8","9","6","2","1","3","1") = "8"
    & skf18("8","9","6","2","1","4","1") = "8"
    & skf18("8","9","6","2","1","5","1") = "8"
    & skf18("8","9","6","2","1","6","1") = "8"
    & skf18("8","9","6","2","1","7","1") = "8"
    & skf18("8","9","6","2","1","8","1") = "8"
    & skf18("8","9","6","2","1","9","1") = "8"
    & skf18("8","9","6","2","1","10","1") = "9"
    & skf18("8","9","6","2","2","1","1") = "8"
    & skf18("8","9","6","2","2","2","1") = "8"
    & skf18("8","9","6","2","2","3","1") = "8"
    & skf18("8","9","6","2","2","4","1") = "8"
    & skf18("8","9","6","2","2","5","1") = "8"
    & skf18("8","9","6","2","2","6","1") = "8"
    & skf18("8","9","6","2","2","7","1") = "8"
    & skf18("8","9","6","2","2","8","1") = "8"
    & skf18("8","9","6","2","2","9","1") = "8"
    & skf18("8","9","6","2","2","10","1") = "9"
    & skf18("8","9","6","2","3","1","1") = "8"
    & skf18("8","9","6","2","3","2","1") = "8"
    & skf18("8","9","6","2","3","3","1") = "8"
    & skf18("8","9","6","2","3","4","1") = "8"
    & skf18("8","9","6","2","3","5","1") = "8"
    & skf18("8","9","6","2","3","6","1") = "8"
    & skf18("8","9","6","2","3","7","1") = "8"
    & skf18("8","9","6","2","3","8","1") = "8"
    & skf18("8","9","6","2","3","9","1") = "8"
    & skf18("8","9","6","2","3","10","1") = "9"
    & skf18("8","9","6","2","4","1","1") = "8"
    & skf18("8","9","6","2","4","2","1") = "8"
    & skf18("8","9","6","2","4","3","1") = "8"
    & skf18("8","9","6","2","4","4","1") = "8"
    & skf18("8","9","6","2","4","5","1") = "8"
    & skf18("8","9","6","2","4","6","1") = "8"
    & skf18("8","9","6","2","4","7","1") = "8"
    & skf18("8","9","6","2","4","8","1") = "8"
    & skf18("8","9","6","2","4","9","1") = "8"
    & skf18("8","9","6","2","4","10","1") = "9"
    & skf18("8","9","6","2","5","1","1") = "8"
    & skf18("8","9","6","2","5","2","1") = "8"
    & skf18("8","9","6","2","5","3","1") = "8"
    & skf18("8","9","6","2","5","4","1") = "8"
    & skf18("8","9","6","2","5","5","1") = "8"
    & skf18("8","9","6","2","5","6","1") = "8"
    & skf18("8","9","6","2","5","7","1") = "8"
    & skf18("8","9","6","2","5","8","1") = "8"
    & skf18("8","9","6","2","5","9","1") = "8"
    & skf18("8","9","6","2","5","10","1") = "9"
    & skf18("8","9","6","2","6","1","1") = "8"
    & skf18("8","9","6","2","6","2","1") = "8"
    & skf18("8","9","6","2","6","3","1") = "8"
    & skf18("8","9","6","2","6","4","1") = "8"
    & skf18("8","9","6","2","6","5","1") = "8"
    & skf18("8","9","6","2","6","6","1") = "8"
    & skf18("8","9","6","2","6","7","1") = "8"
    & skf18("8","9","6","2","6","8","1") = "8"
    & skf18("8","9","6","2","6","9","1") = "8"
    & skf18("8","9","6","2","6","10","1") = "9"
    & skf18("8","9","6","2","7","1","1") = "8"
    & skf18("8","9","6","2","7","2","1") = "8"
    & skf18("8","9","6","2","7","3","1") = "8"
    & skf18("8","9","6","2","7","4","1") = "8"
    & skf18("8","9","6","2","7","5","1") = "8"
    & skf18("8","9","6","2","7","6","1") = "8"
    & skf18("8","9","6","2","7","7","1") = "8"
    & skf18("8","9","6","2","7","8","1") = "8"
    & skf18("8","9","6","2","7","9","1") = "8"
    & skf18("8","9","6","2","7","10","1") = "9"
    & skf18("8","9","6","2","8","1","1") = "8"
    & skf18("8","9","6","2","8","2","1") = "8"
    & skf18("8","9","6","2","8","3","1") = "8"
    & skf18("8","9","6","2","8","4","1") = "8"
    & skf18("8","9","6","2","8","5","1") = "8"
    & skf18("8","9","6","2","8","6","1") = "8"
    & skf18("8","9","6","2","8","7","1") = "8"
    & skf18("8","9","6","2","8","8","1") = "8"
    & skf18("8","9","6","2","8","9","1") = "8"
    & skf18("8","9","6","2","8","10","1") = "9"
    & skf18("8","9","6","2","9","1","1") = "8"
    & skf18("8","9","6","2","9","2","1") = "8"
    & skf18("8","9","6","2","9","3","1") = "8"
    & skf18("8","9","6","2","9","4","1") = "8"
    & skf18("8","9","6","2","9","5","1") = "8"
    & skf18("8","9","6","2","9","6","1") = "8"
    & skf18("8","9","6","2","9","7","1") = "8"
    & skf18("8","9","6","2","9","8","1") = "8"
    & skf18("8","9","6","2","9","9","1") = "8"
    & skf18("8","9","6","2","9","10","1") = "9"
    & skf18("8","9","6","2","10","1","1") = "9"
    & skf18("8","9","6","2","10","2","1") = "9"
    & skf18("8","9","6","2","10","3","1") = "9"
    & skf18("8","9","6","2","10","4","1") = "9"
    & skf18("8","9","6","2","10","5","1") = "9"
    & skf18("8","9","6","2","10","6","1") = "9"
    & skf18("8","9","6","2","10","7","1") = "9"
    & skf18("8","9","6","2","10","8","1") = "9"
    & skf18("8","9","6","2","10","9","1") = "9"
    & skf18("8","9","6","2","10","10","1") = "9"
    & skf18("8","9","6","3","1","1","1") = "8"
    & skf18("8","9","6","3","1","2","1") = "8"
    & skf18("8","9","6","3","1","3","1") = "8"
    & skf18("8","9","6","3","1","4","1") = "8"
    & skf18("8","9","6","3","1","5","1") = "8"
    & skf18("8","9","6","3","1","6","1") = "8"
    & skf18("8","9","6","3","1","7","1") = "8"
    & skf18("8","9","6","3","1","8","1") = "8"
    & skf18("8","9","6","3","1","9","1") = "8"
    & skf18("8","9","6","3","1","10","1") = "9"
    & skf18("8","9","6","3","2","1","1") = "8"
    & skf18("8","9","6","3","2","2","1") = "8"
    & skf18("8","9","6","3","2","3","1") = "8"
    & skf18("8","9","6","3","2","4","1") = "8"
    & skf18("8","9","6","3","2","5","1") = "8"
    & skf18("8","9","6","3","2","6","1") = "8"
    & skf18("8","9","6","3","2","7","1") = "8"
    & skf18("8","9","6","3","2","8","1") = "8"
    & skf18("8","9","6","3","2","9","1") = "8"
    & skf18("8","9","6","3","2","10","1") = "9"
    & skf18("8","9","6","3","3","1","1") = "8"
    & skf18("8","9","6","3","3","2","1") = "8"
    & skf18("8","9","6","3","3","3","1") = "8"
    & skf18("8","9","6","3","3","4","1") = "8"
    & skf18("8","9","6","3","3","5","1") = "8"
    & skf18("8","9","6","3","3","6","1") = "8"
    & skf18("8","9","6","3","3","7","1") = "8"
    & skf18("8","9","6","3","3","8","1") = "8"
    & skf18("8","9","6","3","3","9","1") = "8"
    & skf18("8","9","6","3","3","10","1") = "9"
    & skf18("8","9","6","3","4","1","1") = "8"
    & skf18("8","9","6","3","4","2","1") = "8"
    & skf18("8","9","6","3","4","3","1") = "8"
    & skf18("8","9","6","3","4","4","1") = "8"
    & skf18("8","9","6","3","4","5","1") = "8"
    & skf18("8","9","6","3","4","6","1") = "8"
    & skf18("8","9","6","3","4","7","1") = "8"
    & skf18("8","9","6","3","4","8","1") = "8"
    & skf18("8","9","6","3","4","9","1") = "8"
    & skf18("8","9","6","3","4","10","1") = "9"
    & skf18("8","9","6","3","5","1","1") = "8"
    & skf18("8","9","6","3","5","2","1") = "8"
    & skf18("8","9","6","3","5","3","1") = "8"
    & skf18("8","9","6","3","5","4","1") = "8"
    & skf18("8","9","6","3","5","5","1") = "8"
    & skf18("8","9","6","3","5","6","1") = "8"
    & skf18("8","9","6","3","5","7","1") = "8"
    & skf18("8","9","6","3","5","8","1") = "8"
    & skf18("8","9","6","3","5","9","1") = "8"
    & skf18("8","9","6","3","5","10","1") = "9"
    & skf18("8","9","6","3","6","1","1") = "8"
    & skf18("8","9","6","3","6","2","1") = "8"
    & skf18("8","9","6","3","6","3","1") = "8"
    & skf18("8","9","6","3","6","4","1") = "8"
    & skf18("8","9","6","3","6","5","1") = "8"
    & skf18("8","9","6","3","6","6","1") = "8"
    & skf18("8","9","6","3","6","7","1") = "8"
    & skf18("8","9","6","3","6","8","1") = "8"
    & skf18("8","9","6","3","6","9","1") = "8"
    & skf18("8","9","6","3","6","10","1") = "9"
    & skf18("8","9","6","3","7","1","1") = "8"
    & skf18("8","9","6","3","7","2","1") = "8"
    & skf18("8","9","6","3","7","3","1") = "8"
    & skf18("8","9","6","3","7","4","1") = "8"
    & skf18("8","9","6","3","7","5","1") = "8"
    & skf18("8","9","6","3","7","6","1") = "8"
    & skf18("8","9","6","3","7","7","1") = "8"
    & skf18("8","9","6","3","7","8","1") = "8"
    & skf18("8","9","6","3","7","9","1") = "8"
    & skf18("8","9","6","3","7","10","1") = "9"
    & skf18("8","9","6","3","8","1","1") = "8"
    & skf18("8","9","6","3","8","2","1") = "8"
    & skf18("8","9","6","3","8","3","1") = "8"
    & skf18("8","9","6","3","8","4","1") = "8"
    & skf18("8","9","6","3","8","5","1") = "8"
    & skf18("8","9","6","3","8","6","1") = "8"
    & skf18("8","9","6","3","8","7","1") = "8"
    & skf18("8","9","6","3","8","8","1") = "8"
    & skf18("8","9","6","3","8","9","1") = "8"
    & skf18("8","9","6","3","8","10","1") = "9"
    & skf18("8","9","6","3","9","1","1") = "8"
    & skf18("8","9","6","3","9","2","1") = "8"
    & skf18("8","9","6","3","9","3","1") = "8"
    & skf18("8","9","6","3","9","4","1") = "8"
    & skf18("8","9","6","3","9","5","1") = "8"
    & skf18("8","9","6","3","9","6","1") = "8"
    & skf18("8","9","6","3","9","7","1") = "8"
    & skf18("8","9","6","3","9","8","1") = "8"
    & skf18("8","9","6","3","9","9","1") = "8"
    & skf18("8","9","6","3","9","10","1") = "9"
    & skf18("8","9","6","3","10","1","1") = "9"
    & skf18("8","9","6","3","10","2","1") = "9"
    & skf18("8","9","6","3","10","3","1") = "9"
    & skf18("8","9","6","3","10","4","1") = "9"
    & skf18("8","9","6","3","10","5","1") = "9"
    & skf18("8","9","6","3","10","6","1") = "9"
    & skf18("8","9","6","3","10","7","1") = "9"
    & skf18("8","9","6","3","10","8","1") = "9"
    & skf18("8","9","6","3","10","9","1") = "9"
    & skf18("8","9","6","3","10","10","1") = "9"
    & skf18("8","9","6","4","1","1","1") = "8"
    & skf18("8","9","6","4","1","2","1") = "8"
    & skf18("8","9","6","4","1","3","1") = "8"
    & skf18("8","9","6","4","1","4","1") = "8"
    & skf18("8","9","6","4","1","5","1") = "8"
    & skf18("8","9","6","4","1","6","1") = "8"
    & skf18("8","9","6","4","1","7","1") = "8"
    & skf18("8","9","6","4","1","8","1") = "8"
    & skf18("8","9","6","4","1","9","1") = "8"
    & skf18("8","9","6","4","1","10","1") = "9"
    & skf18("8","9","6","4","2","1","1") = "8"
    & skf18("8","9","6","4","2","2","1") = "8"
    & skf18("8","9","6","4","2","3","1") = "8"
    & skf18("8","9","6","4","2","4","1") = "8"
    & skf18("8","9","6","4","2","5","1") = "8"
    & skf18("8","9","6","4","2","6","1") = "8"
    & skf18("8","9","6","4","2","7","1") = "8"
    & skf18("8","9","6","4","2","8","1") = "8"
    & skf18("8","9","6","4","2","9","1") = "8"
    & skf18("8","9","6","4","2","10","1") = "9"
    & skf18("8","9","6","4","3","1","1") = "8"
    & skf18("8","9","6","4","3","2","1") = "8"
    & skf18("8","9","6","4","3","3","1") = "8"
    & skf18("8","9","6","4","3","4","1") = "8"
    & skf18("8","9","6","4","3","5","1") = "8"
    & skf18("8","9","6","4","3","6","1") = "8"
    & skf18("8","9","6","4","3","7","1") = "8"
    & skf18("8","9","6","4","3","8","1") = "8"
    & skf18("8","9","6","4","3","9","1") = "8"
    & skf18("8","9","6","4","3","10","1") = "9"
    & skf18("8","9","6","4","4","1","1") = "8"
    & skf18("8","9","6","4","4","2","1") = "8"
    & skf18("8","9","6","4","4","3","1") = "8"
    & skf18("8","9","6","4","4","4","1") = "8"
    & skf18("8","9","6","4","4","5","1") = "8"
    & skf18("8","9","6","4","4","6","1") = "8"
    & skf18("8","9","6","4","4","7","1") = "8"
    & skf18("8","9","6","4","4","8","1") = "8"
    & skf18("8","9","6","4","4","9","1") = "8"
    & skf18("8","9","6","4","4","10","1") = "9"
    & skf18("8","9","6","4","5","1","1") = "8"
    & skf18("8","9","6","4","5","2","1") = "8"
    & skf18("8","9","6","4","5","3","1") = "8"
    & skf18("8","9","6","4","5","4","1") = "8"
    & skf18("8","9","6","4","5","5","1") = "8"
    & skf18("8","9","6","4","5","6","1") = "8"
    & skf18("8","9","6","4","5","7","1") = "8"
    & skf18("8","9","6","4","5","8","1") = "8"
    & skf18("8","9","6","4","5","9","1") = "8"
    & skf18("8","9","6","4","5","10","1") = "9"
    & skf18("8","9","6","4","6","1","1") = "8"
    & skf18("8","9","6","4","6","2","1") = "8"
    & skf18("8","9","6","4","6","3","1") = "8"
    & skf18("8","9","6","4","6","4","1") = "8"
    & skf18("8","9","6","4","6","5","1") = "8"
    & skf18("8","9","6","4","6","6","1") = "8"
    & skf18("8","9","6","4","6","7","1") = "8"
    & skf18("8","9","6","4","6","8","1") = "8"
    & skf18("8","9","6","4","6","9","1") = "8"
    & skf18("8","9","6","4","6","10","1") = "9"
    & skf18("8","9","6","4","7","1","1") = "8"
    & skf18("8","9","6","4","7","2","1") = "8"
    & skf18("8","9","6","4","7","3","1") = "8"
    & skf18("8","9","6","4","7","4","1") = "8"
    & skf18("8","9","6","4","7","5","1") = "8"
    & skf18("8","9","6","4","7","6","1") = "8"
    & skf18("8","9","6","4","7","7","1") = "8"
    & skf18("8","9","6","4","7","8","1") = "8"
    & skf18("8","9","6","4","7","9","1") = "8"
    & skf18("8","9","6","4","7","10","1") = "9"
    & skf18("8","9","6","4","8","1","1") = "8"
    & skf18("8","9","6","4","8","2","1") = "8"
    & skf18("8","9","6","4","8","3","1") = "8"
    & skf18("8","9","6","4","8","4","1") = "8"
    & skf18("8","9","6","4","8","5","1") = "8"
    & skf18("8","9","6","4","8","6","1") = "8"
    & skf18("8","9","6","4","8","7","1") = "8"
    & skf18("8","9","6","4","8","8","1") = "8"
    & skf18("8","9","6","4","8","9","1") = "8"
    & skf18("8","9","6","4","8","10","1") = "9"
    & skf18("8","9","6","4","9","1","1") = "8"
    & skf18("8","9","6","4","9","2","1") = "8"
    & skf18("8","9","6","4","9","3","1") = "8"
    & skf18("8","9","6","4","9","4","1") = "8"
    & skf18("8","9","6","4","9","5","1") = "8"
    & skf18("8","9","6","4","9","6","1") = "8"
    & skf18("8","9","6","4","9","7","1") = "8"
    & skf18("8","9","6","4","9","8","1") = "8"
    & skf18("8","9","6","4","9","9","1") = "8"
    & skf18("8","9","6","4","9","10","1") = "9"
    & skf18("8","9","6","4","10","1","1") = "9"
    & skf18("8","9","6","4","10","2","1") = "9"
    & skf18("8","9","6","4","10","3","1") = "9"
    & skf18("8","9","6","4","10","4","1") = "9"
    & skf18("8","9","6","4","10","5","1") = "9"
    & skf18("8","9","6","4","10","6","1") = "9"
    & skf18("8","9","6","4","10","7","1") = "9"
    & skf18("8","9","6","4","10","8","1") = "9"
    & skf18("8","9","6","4","10","9","1") = "9"
    & skf18("8","9","6","4","10","10","1") = "9"
    & skf18("8","9","6","5","1","1","1") = "8"
    & skf18("8","9","6","5","1","2","1") = "8"
    & skf18("8","9","6","5","1","3","1") = "8"
    & skf18("8","9","6","5","1","4","1") = "8"
    & skf18("8","9","6","5","1","5","1") = "8"
    & skf18("8","9","6","5","1","6","1") = "8"
    & skf18("8","9","6","5","1","7","1") = "8"
    & skf18("8","9","6","5","1","8","1") = "8"
    & skf18("8","9","6","5","1","9","1") = "8"
    & skf18("8","9","6","5","1","10","1") = "9"
    & skf18("8","9","6","5","2","1","1") = "8"
    & skf18("8","9","6","5","2","2","1") = "8"
    & skf18("8","9","6","5","2","3","1") = "8"
    & skf18("8","9","6","5","2","4","1") = "8"
    & skf18("8","9","6","5","2","5","1") = "8"
    & skf18("8","9","6","5","2","6","1") = "8"
    & skf18("8","9","6","5","2","7","1") = "8"
    & skf18("8","9","6","5","2","8","1") = "8"
    & skf18("8","9","6","5","2","9","1") = "8"
    & skf18("8","9","6","5","2","10","1") = "9"
    & skf18("8","9","6","5","3","1","1") = "8"
    & skf18("8","9","6","5","3","2","1") = "8"
    & skf18("8","9","6","5","3","3","1") = "8"
    & skf18("8","9","6","5","3","4","1") = "8"
    & skf18("8","9","6","5","3","5","1") = "8"
    & skf18("8","9","6","5","3","6","1") = "8"
    & skf18("8","9","6","5","3","7","1") = "8"
    & skf18("8","9","6","5","3","8","1") = "8"
    & skf18("8","9","6","5","3","9","1") = "8"
    & skf18("8","9","6","5","3","10","1") = "9"
    & skf18("8","9","6","5","4","1","1") = "8"
    & skf18("8","9","6","5","4","2","1") = "8"
    & skf18("8","9","6","5","4","3","1") = "8"
    & skf18("8","9","6","5","4","4","1") = "8"
    & skf18("8","9","6","5","4","5","1") = "8"
    & skf18("8","9","6","5","4","6","1") = "8"
    & skf18("8","9","6","5","4","7","1") = "8"
    & skf18("8","9","6","5","4","8","1") = "8"
    & skf18("8","9","6","5","4","9","1") = "8"
    & skf18("8","9","6","5","4","10","1") = "9"
    & skf18("8","9","6","5","5","1","1") = "8"
    & skf18("8","9","6","5","5","2","1") = "8"
    & skf18("8","9","6","5","5","3","1") = "8"
    & skf18("8","9","6","5","5","4","1") = "8"
    & skf18("8","9","6","5","5","5","1") = "8"
    & skf18("8","9","6","5","5","6","1") = "8"
    & skf18("8","9","6","5","5","7","1") = "8"
    & skf18("8","9","6","5","5","8","1") = "8"
    & skf18("8","9","6","5","5","9","1") = "8"
    & skf18("8","9","6","5","5","10","1") = "9"
    & skf18("8","9","6","5","6","1","1") = "8"
    & skf18("8","9","6","5","6","2","1") = "8"
    & skf18("8","9","6","5","6","3","1") = "8"
    & skf18("8","9","6","5","6","4","1") = "8"
    & skf18("8","9","6","5","6","5","1") = "8"
    & skf18("8","9","6","5","6","6","1") = "8"
    & skf18("8","9","6","5","6","7","1") = "8"
    & skf18("8","9","6","5","6","8","1") = "8"
    & skf18("8","9","6","5","6","9","1") = "8"
    & skf18("8","9","6","5","6","10","1") = "9"
    & skf18("8","9","6","5","7","1","1") = "8"
    & skf18("8","9","6","5","7","2","1") = "8"
    & skf18("8","9","6","5","7","3","1") = "8"
    & skf18("8","9","6","5","7","4","1") = "8"
    & skf18("8","9","6","5","7","5","1") = "8"
    & skf18("8","9","6","5","7","6","1") = "8"
    & skf18("8","9","6","5","7","7","1") = "8"
    & skf18("8","9","6","5","7","8","1") = "8"
    & skf18("8","9","6","5","7","9","1") = "8"
    & skf18("8","9","6","5","7","10","1") = "9"
    & skf18("8","9","6","5","8","1","1") = "8"
    & skf18("8","9","6","5","8","2","1") = "8"
    & skf18("8","9","6","5","8","3","1") = "8"
    & skf18("8","9","6","5","8","4","1") = "8"
    & skf18("8","9","6","5","8","5","1") = "8"
    & skf18("8","9","6","5","8","6","1") = "8"
    & skf18("8","9","6","5","8","7","1") = "8"
    & skf18("8","9","6","5","8","8","1") = "8"
    & skf18("8","9","6","5","8","9","1") = "8"
    & skf18("8","9","6","5","8","10","1") = "9"
    & skf18("8","9","6","5","9","1","1") = "8"
    & skf18("8","9","6","5","9","2","1") = "8"
    & skf18("8","9","6","5","9","3","1") = "8"
    & skf18("8","9","6","5","9","4","1") = "8"
    & skf18("8","9","6","5","9","5","1") = "8"
    & skf18("8","9","6","5","9","6","1") = "8"
    & skf18("8","9","6","5","9","7","1") = "8"
    & skf18("8","9","6","5","9","8","1") = "8"
    & skf18("8","9","6","5","9","9","1") = "8"
    & skf18("8","9","6","5","9","10","1") = "9"
    & skf18("8","9","6","5","10","1","1") = "9"
    & skf18("8","9","6","5","10","2","1") = "9"
    & skf18("8","9","6","5","10","3","1") = "9"
    & skf18("8","9","6","5","10","4","1") = "9"
    & skf18("8","9","6","5","10","5","1") = "9"
    & skf18("8","9","6","5","10","6","1") = "9"
    & skf18("8","9","6","5","10","7","1") = "9"
    & skf18("8","9","6","5","10","8","1") = "9"
    & skf18("8","9","6","5","10","9","1") = "9"
    & skf18("8","9","6","5","10","10","1") = "9"
    & skf18("8","9","6","6","1","1","1") = "8"
    & skf18("8","9","6","6","1","2","1") = "8"
    & skf18("8","9","6","6","1","3","1") = "8"
    & skf18("8","9","6","6","1","4","1") = "8"
    & skf18("8","9","6","6","1","5","1") = "8"
    & skf18("8","9","6","6","1","6","1") = "8"
    & skf18("8","9","6","6","1","7","1") = "8"
    & skf18("8","9","6","6","1","8","1") = "8"
    & skf18("8","9","6","6","1","9","1") = "8"
    & skf18("8","9","6","6","1","10","1") = "9"
    & skf18("8","9","6","6","2","1","1") = "8"
    & skf18("8","9","6","6","2","2","1") = "8"
    & skf18("8","9","6","6","2","3","1") = "8"
    & skf18("8","9","6","6","2","4","1") = "8"
    & skf18("8","9","6","6","2","5","1") = "8"
    & skf18("8","9","6","6","2","6","1") = "8"
    & skf18("8","9","6","6","2","7","1") = "8"
    & skf18("8","9","6","6","2","8","1") = "8"
    & skf18("8","9","6","6","2","9","1") = "8"
    & skf18("8","9","6","6","2","10","1") = "9"
    & skf18("8","9","6","6","3","1","1") = "8"
    & skf18("8","9","6","6","3","2","1") = "8"
    & skf18("8","9","6","6","3","3","1") = "8"
    & skf18("8","9","6","6","3","4","1") = "8"
    & skf18("8","9","6","6","3","5","1") = "8"
    & skf18("8","9","6","6","3","6","1") = "8"
    & skf18("8","9","6","6","3","7","1") = "8"
    & skf18("8","9","6","6","3","8","1") = "8"
    & skf18("8","9","6","6","3","9","1") = "8"
    & skf18("8","9","6","6","3","10","1") = "9"
    & skf18("8","9","6","6","4","1","1") = "8"
    & skf18("8","9","6","6","4","2","1") = "8"
    & skf18("8","9","6","6","4","3","1") = "8"
    & skf18("8","9","6","6","4","4","1") = "8"
    & skf18("8","9","6","6","4","5","1") = "8"
    & skf18("8","9","6","6","4","6","1") = "8"
    & skf18("8","9","6","6","4","7","1") = "8"
    & skf18("8","9","6","6","4","8","1") = "8"
    & skf18("8","9","6","6","4","9","1") = "8"
    & skf18("8","9","6","6","4","10","1") = "9"
    & skf18("8","9","6","6","5","1","1") = "8"
    & skf18("8","9","6","6","5","2","1") = "8"
    & skf18("8","9","6","6","5","3","1") = "8"
    & skf18("8","9","6","6","5","4","1") = "8"
    & skf18("8","9","6","6","5","5","1") = "8"
    & skf18("8","9","6","6","5","6","1") = "8"
    & skf18("8","9","6","6","5","7","1") = "8"
    & skf18("8","9","6","6","5","8","1") = "8"
    & skf18("8","9","6","6","5","9","1") = "8"
    & skf18("8","9","6","6","5","10","1") = "9"
    & skf18("8","9","6","6","6","1","1") = "8"
    & skf18("8","9","6","6","6","2","1") = "8"
    & skf18("8","9","6","6","6","3","1") = "8"
    & skf18("8","9","6","6","6","4","1") = "8"
    & skf18("8","9","6","6","6","5","1") = "8"
    & skf18("8","9","6","6","6","6","1") = "8"
    & skf18("8","9","6","6","6","7","1") = "8"
    & skf18("8","9","6","6","6","8","1") = "8"
    & skf18("8","9","6","6","6","9","1") = "8"
    & skf18("8","9","6","6","6","10","1") = "9"
    & skf18("8","9","6","6","7","1","1") = "8"
    & skf18("8","9","6","6","7","2","1") = "8"
    & skf18("8","9","6","6","7","3","1") = "8"
    & skf18("8","9","6","6","7","4","1") = "8"
    & skf18("8","9","6","6","7","5","1") = "8"
    & skf18("8","9","6","6","7","6","1") = "8"
    & skf18("8","9","6","6","7","7","1") = "8"
    & skf18("8","9","6","6","7","8","1") = "8"
    & skf18("8","9","6","6","7","9","1") = "8"
    & skf18("8","9","6","6","7","10","1") = "9"
    & skf18("8","9","6","6","8","1","1") = "8"
    & skf18("8","9","6","6","8","2","1") = "8"
    & skf18("8","9","6","6","8","3","1") = "8"
    & skf18("8","9","6","6","8","4","1") = "8"
    & skf18("8","9","6","6","8","5","1") = "8"
    & skf18("8","9","6","6","8","6","1") = "8"
    & skf18("8","9","6","6","8","7","1") = "8"
    & skf18("8","9","6","6","8","8","1") = "8"
    & skf18("8","9","6","6","8","9","1") = "8"
    & skf18("8","9","6","6","8","10","1") = "9"
    & skf18("8","9","6","6","9","1","1") = "8"
    & skf18("8","9","6","6","9","2","1") = "8"
    & skf18("8","9","6","6","9","3","1") = "8"
    & skf18("8","9","6","6","9","4","1") = "8"
    & skf18("8","9","6","6","9","5","1") = "8"
    & skf18("8","9","6","6","9","6","1") = "8"
    & skf18("8","9","6","6","9","7","1") = "8"
    & skf18("8","9","6","6","9","8","1") = "8"
    & skf18("8","9","6","6","9","9","1") = "8"
    & skf18("8","9","6","6","9","10","1") = "9"
    & skf18("8","9","6","6","10","1","1") = "9"
    & skf18("8","9","6","6","10","2","1") = "9"
    & skf18("8","9","6","6","10","3","1") = "9"
    & skf18("8","9","6","6","10","4","1") = "9"
    & skf18("8","9","6","6","10","5","1") = "9"
    & skf18("8","9","6","6","10","6","1") = "9"
    & skf18("8","9","6","6","10","7","1") = "9"
    & skf18("8","9","6","6","10","8","1") = "9"
    & skf18("8","9","6","6","10","9","1") = "9"
    & skf18("8","9","6","6","10","10","1") = "9"
    & skf18("8","9","6","7","1","1","1") = "8"
    & skf18("8","9","6","7","1","2","1") = "8"
    & skf18("8","9","6","7","1","3","1") = "8"
    & skf18("8","9","6","7","1","4","1") = "8"
    & skf18("8","9","6","7","1","5","1") = "8"
    & skf18("8","9","6","7","1","6","1") = "8"
    & skf18("8","9","6","7","1","7","1") = "8"
    & skf18("8","9","6","7","1","8","1") = "8"
    & skf18("8","9","6","7","1","9","1") = "8"
    & skf18("8","9","6","7","1","10","1") = "9"
    & skf18("8","9","6","7","2","1","1") = "8"
    & skf18("8","9","6","7","2","2","1") = "8"
    & skf18("8","9","6","7","2","3","1") = "8"
    & skf18("8","9","6","7","2","4","1") = "8"
    & skf18("8","9","6","7","2","5","1") = "8"
    & skf18("8","9","6","7","2","6","1") = "8"
    & skf18("8","9","6","7","2","7","1") = "8"
    & skf18("8","9","6","7","2","8","1") = "8"
    & skf18("8","9","6","7","2","9","1") = "8"
    & skf18("8","9","6","7","2","10","1") = "9"
    & skf18("8","9","6","7","3","1","1") = "8"
    & skf18("8","9","6","7","3","2","1") = "8"
    & skf18("8","9","6","7","3","3","1") = "8"
    & skf18("8","9","6","7","3","4","1") = "8"
    & skf18("8","9","6","7","3","5","1") = "8"
    & skf18("8","9","6","7","3","6","1") = "8"
    & skf18("8","9","6","7","3","7","1") = "8"
    & skf18("8","9","6","7","3","8","1") = "8"
    & skf18("8","9","6","7","3","9","1") = "8"
    & skf18("8","9","6","7","3","10","1") = "9"
    & skf18("8","9","6","7","4","1","1") = "8"
    & skf18("8","9","6","7","4","2","1") = "8"
    & skf18("8","9","6","7","4","3","1") = "8"
    & skf18("8","9","6","7","4","4","1") = "8"
    & skf18("8","9","6","7","4","5","1") = "8"
    & skf18("8","9","6","7","4","6","1") = "8"
    & skf18("8","9","6","7","4","7","1") = "8"
    & skf18("8","9","6","7","4","8","1") = "8"
    & skf18("8","9","6","7","4","9","1") = "8"
    & skf18("8","9","6","7","4","10","1") = "9"
    & skf18("8","9","6","7","5","1","1") = "8"
    & skf18("8","9","6","7","5","2","1") = "8"
    & skf18("8","9","6","7","5","3","1") = "8"
    & skf18("8","9","6","7","5","4","1") = "8"
    & skf18("8","9","6","7","5","5","1") = "8"
    & skf18("8","9","6","7","5","6","1") = "8"
    & skf18("8","9","6","7","5","7","1") = "8"
    & skf18("8","9","6","7","5","8","1") = "8"
    & skf18("8","9","6","7","5","9","1") = "8"
    & skf18("8","9","6","7","5","10","1") = "9"
    & skf18("8","9","6","7","6","1","1") = "8"
    & skf18("8","9","6","7","6","2","1") = "8"
    & skf18("8","9","6","7","6","3","1") = "8"
    & skf18("8","9","6","7","6","4","1") = "8"
    & skf18("8","9","6","7","6","5","1") = "8"
    & skf18("8","9","6","7","6","6","1") = "8"
    & skf18("8","9","6","7","6","7","1") = "8"
    & skf18("8","9","6","7","6","8","1") = "8"
    & skf18("8","9","6","7","6","9","1") = "8"
    & skf18("8","9","6","7","6","10","1") = "9"
    & skf18("8","9","6","7","7","1","1") = "8"
    & skf18("8","9","6","7","7","2","1") = "8"
    & skf18("8","9","6","7","7","3","1") = "8"
    & skf18("8","9","6","7","7","4","1") = "8"
    & skf18("8","9","6","7","7","5","1") = "8"
    & skf18("8","9","6","7","7","6","1") = "8"
    & skf18("8","9","6","7","7","7","1") = "8"
    & skf18("8","9","6","7","7","8","1") = "8"
    & skf18("8","9","6","7","7","9","1") = "8"
    & skf18("8","9","6","7","7","10","1") = "9"
    & skf18("8","9","6","7","8","1","1") = "8"
    & skf18("8","9","6","7","8","2","1") = "8"
    & skf18("8","9","6","7","8","3","1") = "8"
    & skf18("8","9","6","7","8","4","1") = "8"
    & skf18("8","9","6","7","8","5","1") = "8"
    & skf18("8","9","6","7","8","6","1") = "8"
    & skf18("8","9","6","7","8","7","1") = "8"
    & skf18("8","9","6","7","8","8","1") = "8"
    & skf18("8","9","6","7","8","9","1") = "8"
    & skf18("8","9","6","7","8","10","1") = "9"
    & skf18("8","9","6","7","9","1","1") = "8"
    & skf18("8","9","6","7","9","2","1") = "8"
    & skf18("8","9","6","7","9","3","1") = "8"
    & skf18("8","9","6","7","9","4","1") = "8"
    & skf18("8","9","6","7","9","5","1") = "8"
    & skf18("8","9","6","7","9","6","1") = "8"
    & skf18("8","9","6","7","9","7","1") = "8"
    & skf18("8","9","6","7","9","8","1") = "8"
    & skf18("8","9","6","7","9","9","1") = "8"
    & skf18("8","9","6","7","9","10","1") = "9"
    & skf18("8","9","6","7","10","1","1") = "9"
    & skf18("8","9","6","7","10","2","1") = "9"
    & skf18("8","9","6","7","10","3","1") = "9"
    & skf18("8","9","6","7","10","4","1") = "9"
    & skf18("8","9","6","7","10","5","1") = "9"
    & skf18("8","9","6","7","10","6","1") = "9"
    & skf18("8","9","6","7","10","7","1") = "9"
    & skf18("8","9","6","7","10","8","1") = "9"
    & skf18("8","9","6","7","10","9","1") = "9"
    & skf18("8","9","6","7","10","10","1") = "9"
    & skf18("8","9","6","8","1","1","1") = "8"
    & skf18("8","9","6","8","1","2","1") = "8"
    & skf18("8","9","6","8","1","3","1") = "8"
    & skf18("8","9","6","8","1","4","1") = "8"
    & skf18("8","9","6","8","1","5","1") = "8"
    & skf18("8","9","6","8","1","6","1") = "8"
    & skf18("8","9","6","8","1","7","1") = "8"
    & skf18("8","9","6","8","1","8","1") = "8"
    & skf18("8","9","6","8","1","9","1") = "8"
    & skf18("8","9","6","8","1","10","1") = "9"
    & skf18("8","9","6","8","2","1","1") = "8"
    & skf18("8","9","6","8","2","2","1") = "8"
    & skf18("8","9","6","8","2","3","1") = "8"
    & skf18("8","9","6","8","2","4","1") = "8"
    & skf18("8","9","6","8","2","5","1") = "8"
    & skf18("8","9","6","8","2","6","1") = "8"
    & skf18("8","9","6","8","2","7","1") = "8"
    & skf18("8","9","6","8","2","8","1") = "8"
    & skf18("8","9","6","8","2","9","1") = "8"
    & skf18("8","9","6","8","2","10","1") = "9"
    & skf18("8","9","6","8","3","1","1") = "8"
    & skf18("8","9","6","8","3","2","1") = "8"
    & skf18("8","9","6","8","3","3","1") = "8"
    & skf18("8","9","6","8","3","4","1") = "8"
    & skf18("8","9","6","8","3","5","1") = "8"
    & skf18("8","9","6","8","3","6","1") = "8"
    & skf18("8","9","6","8","3","7","1") = "8"
    & skf18("8","9","6","8","3","8","1") = "8"
    & skf18("8","9","6","8","3","9","1") = "8"
    & skf18("8","9","6","8","3","10","1") = "9"
    & skf18("8","9","6","8","4","1","1") = "8"
    & skf18("8","9","6","8","4","2","1") = "8"
    & skf18("8","9","6","8","4","3","1") = "8"
    & skf18("8","9","6","8","4","4","1") = "8"
    & skf18("8","9","6","8","4","5","1") = "8"
    & skf18("8","9","6","8","4","6","1") = "8"
    & skf18("8","9","6","8","4","7","1") = "8"
    & skf18("8","9","6","8","4","8","1") = "8"
    & skf18("8","9","6","8","4","9","1") = "8"
    & skf18("8","9","6","8","4","10","1") = "9"
    & skf18("8","9","6","8","5","1","1") = "8"
    & skf18("8","9","6","8","5","2","1") = "8"
    & skf18("8","9","6","8","5","3","1") = "8"
    & skf18("8","9","6","8","5","4","1") = "8"
    & skf18("8","9","6","8","5","5","1") = "8"
    & skf18("8","9","6","8","5","6","1") = "8"
    & skf18("8","9","6","8","5","7","1") = "8"
    & skf18("8","9","6","8","5","8","1") = "8"
    & skf18("8","9","6","8","5","9","1") = "8"
    & skf18("8","9","6","8","5","10","1") = "9"
    & skf18("8","9","6","8","6","1","1") = "8"
    & skf18("8","9","6","8","6","2","1") = "8"
    & skf18("8","9","6","8","6","3","1") = "8"
    & skf18("8","9","6","8","6","4","1") = "8"
    & skf18("8","9","6","8","6","5","1") = "8"
    & skf18("8","9","6","8","6","6","1") = "8"
    & skf18("8","9","6","8","6","7","1") = "8"
    & skf18("8","9","6","8","6","8","1") = "8"
    & skf18("8","9","6","8","6","9","1") = "8"
    & skf18("8","9","6","8","6","10","1") = "9"
    & skf18("8","9","6","8","7","1","1") = "8"
    & skf18("8","9","6","8","7","2","1") = "8"
    & skf18("8","9","6","8","7","3","1") = "8"
    & skf18("8","9","6","8","7","4","1") = "8"
    & skf18("8","9","6","8","7","5","1") = "8"
    & skf18("8","9","6","8","7","6","1") = "8"
    & skf18("8","9","6","8","7","7","1") = "8"
    & skf18("8","9","6","8","7","8","1") = "8"
    & skf18("8","9","6","8","7","9","1") = "8"
    & skf18("8","9","6","8","7","10","1") = "9"
    & skf18("8","9","6","8","8","1","1") = "8"
    & skf18("8","9","6","8","8","2","1") = "8"
    & skf18("8","9","6","8","8","3","1") = "8"
    & skf18("8","9","6","8","8","4","1") = "8"
    & skf18("8","9","6","8","8","5","1") = "8"
    & skf18("8","9","6","8","8","6","1") = "8"
    & skf18("8","9","6","8","8","7","1") = "8"
    & skf18("8","9","6","8","8","8","1") = "8"
    & skf18("8","9","6","8","8","9","1") = "8"
    & skf18("8","9","6","8","8","10","1") = "9"
    & skf18("8","9","6","8","9","1","1") = "8"
    & skf18("8","9","6","8","9","2","1") = "8"
    & skf18("8","9","6","8","9","3","1") = "8"
    & skf18("8","9","6","8","9","4","1") = "8"
    & skf18("8","9","6","8","9","5","1") = "8"
    & skf18("8","9","6","8","9","6","1") = "8"
    & skf18("8","9","6","8","9","7","1") = "8"
    & skf18("8","9","6","8","9","8","1") = "8"
    & skf18("8","9","6","8","9","9","1") = "8"
    & skf18("8","9","6","8","9","10","1") = "9"
    & skf18("8","9","6","8","10","1","1") = "9"
    & skf18("8","9","6","8","10","2","1") = "9"
    & skf18("8","9","6","8","10","3","1") = "9"
    & skf18("8","9","6","8","10","4","1") = "9"
    & skf18("8","9","6","8","10","5","1") = "9"
    & skf18("8","9","6","8","10","6","1") = "9"
    & skf18("8","9","6","8","10","7","1") = "9"
    & skf18("8","9","6","8","10","8","1") = "9"
    & skf18("8","9","6","8","10","9","1") = "9"
    & skf18("8","9","6","8","10","10","1") = "9"
    & skf18("8","9","6","9","1","1","1") = "8"
    & skf18("8","9","6","9","1","2","1") = "8"
    & skf18("8","9","6","9","1","3","1") = "8"
    & skf18("8","9","6","9","1","4","1") = "8"
    & skf18("8","9","6","9","1","5","1") = "8"
    & skf18("8","9","6","9","1","6","1") = "8"
    & skf18("8","9","6","9","1","7","1") = "8"
    & skf18("8","9","6","9","1","8","1") = "8"
    & skf18("8","9","6","9","1","9","1") = "8"
    & skf18("8","9","6","9","1","10","1") = "9"
    & skf18("8","9","6","9","2","1","1") = "8"
    & skf18("8","9","6","9","2","2","1") = "8"
    & skf18("8","9","6","9","2","3","1") = "8"
    & skf18("8","9","6","9","2","4","1") = "8"
    & skf18("8","9","6","9","2","5","1") = "8"
    & skf18("8","9","6","9","2","6","1") = "8"
    & skf18("8","9","6","9","2","7","1") = "8"
    & skf18("8","9","6","9","2","8","1") = "8"
    & skf18("8","9","6","9","2","9","1") = "8"
    & skf18("8","9","6","9","2","10","1") = "9"
    & skf18("8","9","6","9","3","1","1") = "8"
    & skf18("8","9","6","9","3","2","1") = "8"
    & skf18("8","9","6","9","3","3","1") = "8"
    & skf18("8","9","6","9","3","4","1") = "8"
    & skf18("8","9","6","9","3","5","1") = "8"
    & skf18("8","9","6","9","3","6","1") = "8"
    & skf18("8","9","6","9","3","7","1") = "8"
    & skf18("8","9","6","9","3","8","1") = "8"
    & skf18("8","9","6","9","3","9","1") = "8"
    & skf18("8","9","6","9","3","10","1") = "9"
    & skf18("8","9","6","9","4","1","1") = "8"
    & skf18("8","9","6","9","4","2","1") = "8"
    & skf18("8","9","6","9","4","3","1") = "8"
    & skf18("8","9","6","9","4","4","1") = "8"
    & skf18("8","9","6","9","4","5","1") = "8"
    & skf18("8","9","6","9","4","6","1") = "8"
    & skf18("8","9","6","9","4","7","1") = "8"
    & skf18("8","9","6","9","4","8","1") = "8"
    & skf18("8","9","6","9","4","9","1") = "8"
    & skf18("8","9","6","9","4","10","1") = "9"
    & skf18("8","9","6","9","5","1","1") = "8"
    & skf18("8","9","6","9","5","2","1") = "8"
    & skf18("8","9","6","9","5","3","1") = "8"
    & skf18("8","9","6","9","5","4","1") = "8"
    & skf18("8","9","6","9","5","5","1") = "8"
    & skf18("8","9","6","9","5","6","1") = "8"
    & skf18("8","9","6","9","5","7","1") = "8"
    & skf18("8","9","6","9","5","8","1") = "8"
    & skf18("8","9","6","9","5","9","1") = "8"
    & skf18("8","9","6","9","5","10","1") = "9"
    & skf18("8","9","6","9","6","1","1") = "8"
    & skf18("8","9","6","9","6","2","1") = "8"
    & skf18("8","9","6","9","6","3","1") = "8"
    & skf18("8","9","6","9","6","4","1") = "8"
    & skf18("8","9","6","9","6","5","1") = "8"
    & skf18("8","9","6","9","6","6","1") = "8"
    & skf18("8","9","6","9","6","7","1") = "8"
    & skf18("8","9","6","9","6","8","1") = "8"
    & skf18("8","9","6","9","6","9","1") = "8"
    & skf18("8","9","6","9","6","10","1") = "9"
    & skf18("8","9","6","9","7","1","1") = "8"
    & skf18("8","9","6","9","7","2","1") = "8"
    & skf18("8","9","6","9","7","3","1") = "8"
    & skf18("8","9","6","9","7","4","1") = "8"
    & skf18("8","9","6","9","7","5","1") = "8"
    & skf18("8","9","6","9","7","6","1") = "8"
    & skf18("8","9","6","9","7","7","1") = "8"
    & skf18("8","9","6","9","7","8","1") = "8"
    & skf18("8","9","6","9","7","9","1") = "8"
    & skf18("8","9","6","9","7","10","1") = "9"
    & skf18("8","9","6","9","8","1","1") = "8"
    & skf18("8","9","6","9","8","2","1") = "8"
    & skf18("8","9","6","9","8","3","1") = "8"
    & skf18("8","9","6","9","8","4","1") = "8"
    & skf18("8","9","6","9","8","5","1") = "8"
    & skf18("8","9","6","9","8","6","1") = "8"
    & skf18("8","9","6","9","8","7","1") = "8"
    & skf18("8","9","6","9","8","8","1") = "8"
    & skf18("8","9","6","9","8","9","1") = "8"
    & skf18("8","9","6","9","8","10","1") = "9"
    & skf18("8","9","6","9","9","1","1") = "8"
    & skf18("8","9","6","9","9","2","1") = "8"
    & skf18("8","9","6","9","9","3","1") = "8"
    & skf18("8","9","6","9","9","4","1") = "8"
    & skf18("8","9","6","9","9","5","1") = "8"
    & skf18("8","9","6","9","9","6","1") = "8"
    & skf18("8","9","6","9","9","7","1") = "8"
    & skf18("8","9","6","9","9","8","1") = "8"
    & skf18("8","9","6","9","9","9","1") = "8"
    & skf18("8","9","6","9","9","10","1") = "9"
    & skf18("8","9","6","9","10","1","1") = "9"
    & skf18("8","9","6","9","10","2","1") = "9"
    & skf18("8","9","6","9","10","3","1") = "9"
    & skf18("8","9","6","9","10","4","1") = "9"
    & skf18("8","9","6","9","10","5","1") = "9"
    & skf18("8","9","6","9","10","6","1") = "9"
    & skf18("8","9","6","9","10","7","1") = "9"
    & skf18("8","9","6","9","10","8","1") = "9"
    & skf18("8","9","6","9","10","9","1") = "9"
    & skf18("8","9","6","9","10","10","1") = "9"
    & skf18("8","9","6","10","1","1","1") = "9"
    & skf18("8","9","6","10","1","2","1") = "9"
    & skf18("8","9","6","10","1","3","1") = "9"
    & skf18("8","9","6","10","1","4","1") = "9"
    & skf18("8","9","6","10","1","5","1") = "9"
    & skf18("8","9","6","10","1","6","1") = "9"
    & skf18("8","9","6","10","1","7","1") = "9"
    & skf18("8","9","6","10","1","8","1") = "9"
    & skf18("8","9","6","10","1","9","1") = "9"
    & skf18("8","9","6","10","1","10","1") = "9"
    & skf18("8","9","6","10","2","1","1") = "9"
    & skf18("8","9","6","10","2","2","1") = "9"
    & skf18("8","9","6","10","2","3","1") = "9"
    & skf18("8","9","6","10","2","4","1") = "9"
    & skf18("8","9","6","10","2","5","1") = "9"
    & skf18("8","9","6","10","2","6","1") = "9"
    & skf18("8","9","6","10","2","7","1") = "9"
    & skf18("8","9","6","10","2","8","1") = "9"
    & skf18("8","9","6","10","2","9","1") = "9"
    & skf18("8","9","6","10","2","10","1") = "9"
    & skf18("8","9","6","10","3","1","1") = "9"
    & skf18("8","9","6","10","3","2","1") = "9"
    & skf18("8","9","6","10","3","3","1") = "9"
    & skf18("8","9","6","10","3","4","1") = "9"
    & skf18("8","9","6","10","3","5","1") = "9"
    & skf18("8","9","6","10","3","6","1") = "9"
    & skf18("8","9","6","10","3","7","1") = "9"
    & skf18("8","9","6","10","3","8","1") = "9"
    & skf18("8","9","6","10","3","9","1") = "9"
    & skf18("8","9","6","10","3","10","1") = "9"
    & skf18("8","9","6","10","4","1","1") = "9"
    & skf18("8","9","6","10","4","2","1") = "9"
    & skf18("8","9","6","10","4","3","1") = "9"
    & skf18("8","9","6","10","4","4","1") = "9"
    & skf18("8","9","6","10","4","5","1") = "9"
    & skf18("8","9","6","10","4","6","1") = "9"
    & skf18("8","9","6","10","4","7","1") = "9"
    & skf18("8","9","6","10","4","8","1") = "9"
    & skf18("8","9","6","10","4","9","1") = "9"
    & skf18("8","9","6","10","4","10","1") = "9"
    & skf18("8","9","6","10","5","1","1") = "9"
    & skf18("8","9","6","10","5","2","1") = "9"
    & skf18("8","9","6","10","5","3","1") = "9"
    & skf18("8","9","6","10","5","4","1") = "9"
    & skf18("8","9","6","10","5","5","1") = "9"
    & skf18("8","9","6","10","5","6","1") = "9"
    & skf18("8","9","6","10","5","7","1") = "9"
    & skf18("8","9","6","10","5","8","1") = "9"
    & skf18("8","9","6","10","5","9","1") = "9"
    & skf18("8","9","6","10","5","10","1") = "9"
    & skf18("8","9","6","10","6","1","1") = "9"
    & skf18("8","9","6","10","6","2","1") = "9"
    & skf18("8","9","6","10","6","3","1") = "9"
    & skf18("8","9","6","10","6","4","1") = "9"
    & skf18("8","9","6","10","6","5","1") = "9"
    & skf18("8","9","6","10","6","6","1") = "9"
    & skf18("8","9","6","10","6","7","1") = "9"
    & skf18("8","9","6","10","6","8","1") = "9"
    & skf18("8","9","6","10","6","9","1") = "9"
    & skf18("8","9","6","10","6","10","1") = "9"
    & skf18("8","9","6","10","7","1","1") = "9"
    & skf18("8","9","6","10","7","2","1") = "9"
    & skf18("8","9","6","10","7","3","1") = "9"
    & skf18("8","9","6","10","7","4","1") = "9"
    & skf18("8","9","6","10","7","5","1") = "9"
    & skf18("8","9","6","10","7","6","1") = "9"
    & skf18("8","9","6","10","7","7","1") = "9"
    & skf18("8","9","6","10","7","8","1") = "9"
    & skf18("8","9","6","10","7","9","1") = "9"
    & skf18("8","9","6","10","7","10","1") = "9"
    & skf18("8","9","6","10","8","1","1") = "9"
    & skf18("8","9","6","10","8","2","1") = "9"
    & skf18("8","9","6","10","8","3","1") = "9"
    & skf18("8","9","6","10","8","4","1") = "9"
    & skf18("8","9","6","10","8","5","1") = "9"
    & skf18("8","9","6","10","8","6","1") = "9"
    & skf18("8","9","6","10","8","7","1") = "9"
    & skf18("8","9","6","10","8","8","1") = "9"
    & skf18("8","9","6","10","8","9","1") = "9"
    & skf18("8","9","6","10","8","10","1") = "9"
    & skf18("8","9","6","10","9","1","1") = "9"
    & skf18("8","9","6","10","9","2","1") = "9"
    & skf18("8","9","6","10","9","3","1") = "9"
    & skf18("8","9","6","10","9","4","1") = "9"
    & skf18("8","9","6","10","9","5","1") = "9"
    & skf18("8","9","6","10","9","6","1") = "9"
    & skf18("8","9","6","10","9","7","1") = "9"
    & skf18("8","9","6","10","9","8","1") = "9"
    & skf18("8","9","6","10","9","9","1") = "9"
    & skf18("8","9","6","10","9","10","1") = "9"
    & skf18("8","9","6","10","10","1","1") = "9"
    & skf18("8","9","6","10","10","2","1") = "9"
    & skf18("8","9","6","10","10","3","1") = "9"
    & skf18("8","9","6","10","10","4","1") = "9"
    & skf18("8","9","6","10","10","5","1") = "9"
    & skf18("8","9","6","10","10","6","1") = "9"
    & skf18("8","9","6","10","10","7","1") = "9"
    & skf18("8","9","6","10","10","8","1") = "9"
    & skf18("8","9","6","10","10","9","1") = "9"
    & skf18("8","9","6","10","10","10","1") = "9"
    & skf18("8","9","7","1","1","1","1") = "8"
    & skf18("8","9","7","1","1","2","1") = "8"
    & skf18("8","9","7","1","1","3","1") = "8"
    & skf18("8","9","7","1","1","4","1") = "8"
    & skf18("8","9","7","1","1","5","1") = "8"
    & skf18("8","9","7","1","1","6","1") = "8"
    & skf18("8","9","7","1","1","7","1") = "8"
    & skf18("8","9","7","1","1","8","1") = "8"
    & skf18("8","9","7","1","1","9","1") = "8"
    & skf18("8","9","7","1","1","10","1") = "9"
    & skf18("8","9","7","1","2","1","1") = "8"
    & skf18("8","9","7","1","2","2","1") = "8"
    & skf18("8","9","7","1","2","3","1") = "8"
    & skf18("8","9","7","1","2","4","1") = "8"
    & skf18("8","9","7","1","2","5","1") = "8"
    & skf18("8","9","7","1","2","6","1") = "8"
    & skf18("8","9","7","1","2","7","1") = "8"
    & skf18("8","9","7","1","2","8","1") = "8"
    & skf18("8","9","7","1","2","9","1") = "8"
    & skf18("8","9","7","1","2","10","1") = "9"
    & skf18("8","9","7","1","3","1","1") = "8"
    & skf18("8","9","7","1","3","2","1") = "8"
    & skf18("8","9","7","1","3","3","1") = "8"
    & skf18("8","9","7","1","3","4","1") = "8"
    & skf18("8","9","7","1","3","5","1") = "8"
    & skf18("8","9","7","1","3","6","1") = "8"
    & skf18("8","9","7","1","3","7","1") = "8"
    & skf18("8","9","7","1","3","8","1") = "8"
    & skf18("8","9","7","1","3","9","1") = "8"
    & skf18("8","9","7","1","3","10","1") = "9"
    & skf18("8","9","7","1","4","1","1") = "8"
    & skf18("8","9","7","1","4","2","1") = "8"
    & skf18("8","9","7","1","4","3","1") = "8"
    & skf18("8","9","7","1","4","4","1") = "8"
    & skf18("8","9","7","1","4","5","1") = "8"
    & skf18("8","9","7","1","4","6","1") = "8"
    & skf18("8","9","7","1","4","7","1") = "8"
    & skf18("8","9","7","1","4","8","1") = "8"
    & skf18("8","9","7","1","4","9","1") = "8"
    & skf18("8","9","7","1","4","10","1") = "9"
    & skf18("8","9","7","1","5","1","1") = "8"
    & skf18("8","9","7","1","5","2","1") = "8"
    & skf18("8","9","7","1","5","3","1") = "8"
    & skf18("8","9","7","1","5","4","1") = "8"
    & skf18("8","9","7","1","5","5","1") = "8"
    & skf18("8","9","7","1","5","6","1") = "8"
    & skf18("8","9","7","1","5","7","1") = "8"
    & skf18("8","9","7","1","5","8","1") = "8"
    & skf18("8","9","7","1","5","9","1") = "8"
    & skf18("8","9","7","1","5","10","1") = "9"
    & skf18("8","9","7","1","6","1","1") = "8"
    & skf18("8","9","7","1","6","2","1") = "8"
    & skf18("8","9","7","1","6","3","1") = "8"
    & skf18("8","9","7","1","6","4","1") = "8"
    & skf18("8","9","7","1","6","5","1") = "8"
    & skf18("8","9","7","1","6","6","1") = "8"
    & skf18("8","9","7","1","6","7","1") = "8"
    & skf18("8","9","7","1","6","8","1") = "8"
    & skf18("8","9","7","1","6","9","1") = "8"
    & skf18("8","9","7","1","6","10","1") = "9"
    & skf18("8","9","7","1","7","1","1") = "8"
    & skf18("8","9","7","1","7","2","1") = "8"
    & skf18("8","9","7","1","7","3","1") = "8"
    & skf18("8","9","7","1","7","4","1") = "8"
    & skf18("8","9","7","1","7","5","1") = "8"
    & skf18("8","9","7","1","7","6","1") = "8"
    & skf18("8","9","7","1","7","7","1") = "8"
    & skf18("8","9","7","1","7","8","1") = "8"
    & skf18("8","9","7","1","7","9","1") = "8"
    & skf18("8","9","7","1","7","10","1") = "9"
    & skf18("8","9","7","1","8","1","1") = "8"
    & skf18("8","9","7","1","8","2","1") = "8"
    & skf18("8","9","7","1","8","3","1") = "8"
    & skf18("8","9","7","1","8","4","1") = "8"
    & skf18("8","9","7","1","8","5","1") = "8"
    & skf18("8","9","7","1","8","6","1") = "8"
    & skf18("8","9","7","1","8","7","1") = "8"
    & skf18("8","9","7","1","8","8","1") = "8"
    & skf18("8","9","7","1","8","9","1") = "8"
    & skf18("8","9","7","1","8","10","1") = "9"
    & skf18("8","9","7","1","9","1","1") = "8"
    & skf18("8","9","7","1","9","2","1") = "8"
    & skf18("8","9","7","1","9","3","1") = "8"
    & skf18("8","9","7","1","9","4","1") = "8"
    & skf18("8","9","7","1","9","5","1") = "8"
    & skf18("8","9","7","1","9","6","1") = "8"
    & skf18("8","9","7","1","9","7","1") = "8"
    & skf18("8","9","7","1","9","8","1") = "8"
    & skf18("8","9","7","1","9","9","1") = "8"
    & skf18("8","9","7","1","9","10","1") = "9"
    & skf18("8","9","7","1","10","1","1") = "9"
    & skf18("8","9","7","1","10","2","1") = "9"
    & skf18("8","9","7","1","10","3","1") = "9"
    & skf18("8","9","7","1","10","4","1") = "9"
    & skf18("8","9","7","1","10","5","1") = "9"
    & skf18("8","9","7","1","10","6","1") = "9"
    & skf18("8","9","7","1","10","7","1") = "9"
    & skf18("8","9","7","1","10","8","1") = "9"
    & skf18("8","9","7","1","10","9","1") = "9"
    & skf18("8","9","7","1","10","10","1") = "9"
    & skf18("8","9","7","2","1","1","1") = "8"
    & skf18("8","9","7","2","1","2","1") = "8"
    & skf18("8","9","7","2","1","3","1") = "8"
    & skf18("8","9","7","2","1","4","1") = "8"
    & skf18("8","9","7","2","1","5","1") = "8"
    & skf18("8","9","7","2","1","6","1") = "8"
    & skf18("8","9","7","2","1","7","1") = "8"
    & skf18("8","9","7","2","1","8","1") = "8"
    & skf18("8","9","7","2","1","9","1") = "8"
    & skf18("8","9","7","2","1","10","1") = "9"
    & skf18("8","9","7","2","2","1","1") = "8"
    & skf18("8","9","7","2","2","2","1") = "8"
    & skf18("8","9","7","2","2","3","1") = "8"
    & skf18("8","9","7","2","2","4","1") = "8"
    & skf18("8","9","7","2","2","5","1") = "8"
    & skf18("8","9","7","2","2","6","1") = "8"
    & skf18("8","9","7","2","2","7","1") = "8"
    & skf18("8","9","7","2","2","8","1") = "8"
    & skf18("8","9","7","2","2","9","1") = "8"
    & skf18("8","9","7","2","2","10","1") = "9"
    & skf18("8","9","7","2","3","1","1") = "8"
    & skf18("8","9","7","2","3","2","1") = "8"
    & skf18("8","9","7","2","3","3","1") = "8"
    & skf18("8","9","7","2","3","4","1") = "8"
    & skf18("8","9","7","2","3","5","1") = "8"
    & skf18("8","9","7","2","3","6","1") = "8"
    & skf18("8","9","7","2","3","7","1") = "8"
    & skf18("8","9","7","2","3","8","1") = "8"
    & skf18("8","9","7","2","3","9","1") = "8"
    & skf18("8","9","7","2","3","10","1") = "9"
    & skf18("8","9","7","2","4","1","1") = "8"
    & skf18("8","9","7","2","4","2","1") = "8"
    & skf18("8","9","7","2","4","3","1") = "8"
    & skf18("8","9","7","2","4","4","1") = "8"
    & skf18("8","9","7","2","4","5","1") = "8"
    & skf18("8","9","7","2","4","6","1") = "8"
    & skf18("8","9","7","2","4","7","1") = "8"
    & skf18("8","9","7","2","4","8","1") = "8"
    & skf18("8","9","7","2","4","9","1") = "8"
    & skf18("8","9","7","2","4","10","1") = "9"
    & skf18("8","9","7","2","5","1","1") = "8"
    & skf18("8","9","7","2","5","2","1") = "8"
    & skf18("8","9","7","2","5","3","1") = "8"
    & skf18("8","9","7","2","5","4","1") = "8"
    & skf18("8","9","7","2","5","5","1") = "8"
    & skf18("8","9","7","2","5","6","1") = "8"
    & skf18("8","9","7","2","5","7","1") = "8"
    & skf18("8","9","7","2","5","8","1") = "8"
    & skf18("8","9","7","2","5","9","1") = "8"
    & skf18("8","9","7","2","5","10","1") = "9"
    & skf18("8","9","7","2","6","1","1") = "8"
    & skf18("8","9","7","2","6","2","1") = "8"
    & skf18("8","9","7","2","6","3","1") = "8"
    & skf18("8","9","7","2","6","4","1") = "8"
    & skf18("8","9","7","2","6","5","1") = "8"
    & skf18("8","9","7","2","6","6","1") = "8"
    & skf18("8","9","7","2","6","7","1") = "8"
    & skf18("8","9","7","2","6","8","1") = "8"
    & skf18("8","9","7","2","6","9","1") = "8"
    & skf18("8","9","7","2","6","10","1") = "9"
    & skf18("8","9","7","2","7","1","1") = "8"
    & skf18("8","9","7","2","7","2","1") = "8"
    & skf18("8","9","7","2","7","3","1") = "8"
    & skf18("8","9","7","2","7","4","1") = "8"
    & skf18("8","9","7","2","7","5","1") = "8"
    & skf18("8","9","7","2","7","6","1") = "8"
    & skf18("8","9","7","2","7","7","1") = "8"
    & skf18("8","9","7","2","7","8","1") = "8"
    & skf18("8","9","7","2","7","9","1") = "8"
    & skf18("8","9","7","2","7","10","1") = "9"
    & skf18("8","9","7","2","8","1","1") = "8"
    & skf18("8","9","7","2","8","2","1") = "8"
    & skf18("8","9","7","2","8","3","1") = "8"
    & skf18("8","9","7","2","8","4","1") = "8"
    & skf18("8","9","7","2","8","5","1") = "8"
    & skf18("8","9","7","2","8","6","1") = "8"
    & skf18("8","9","7","2","8","7","1") = "8"
    & skf18("8","9","7","2","8","8","1") = "8"
    & skf18("8","9","7","2","8","9","1") = "8"
    & skf18("8","9","7","2","8","10","1") = "9"
    & skf18("8","9","7","2","9","1","1") = "8"
    & skf18("8","9","7","2","9","2","1") = "8"
    & skf18("8","9","7","2","9","3","1") = "8"
    & skf18("8","9","7","2","9","4","1") = "8"
    & skf18("8","9","7","2","9","5","1") = "8"
    & skf18("8","9","7","2","9","6","1") = "8"
    & skf18("8","9","7","2","9","7","1") = "8"
    & skf18("8","9","7","2","9","8","1") = "8"
    & skf18("8","9","7","2","9","9","1") = "8"
    & skf18("8","9","7","2","9","10","1") = "9"
    & skf18("8","9","7","2","10","1","1") = "9"
    & skf18("8","9","7","2","10","2","1") = "9"
    & skf18("8","9","7","2","10","3","1") = "9"
    & skf18("8","9","7","2","10","4","1") = "9"
    & skf18("8","9","7","2","10","5","1") = "9"
    & skf18("8","9","7","2","10","6","1") = "9"
    & skf18("8","9","7","2","10","7","1") = "9"
    & skf18("8","9","7","2","10","8","1") = "9"
    & skf18("8","9","7","2","10","9","1") = "9"
    & skf18("8","9","7","2","10","10","1") = "9"
    & skf18("8","9","7","3","1","1","1") = "8"
    & skf18("8","9","7","3","1","2","1") = "8"
    & skf18("8","9","7","3","1","3","1") = "8"
    & skf18("8","9","7","3","1","4","1") = "8"
    & skf18("8","9","7","3","1","5","1") = "8"
    & skf18("8","9","7","3","1","6","1") = "8"
    & skf18("8","9","7","3","1","7","1") = "8"
    & skf18("8","9","7","3","1","8","1") = "8"
    & skf18("8","9","7","3","1","9","1") = "8"
    & skf18("8","9","7","3","1","10","1") = "9"
    & skf18("8","9","7","3","2","1","1") = "8"
    & skf18("8","9","7","3","2","2","1") = "8"
    & skf18("8","9","7","3","2","3","1") = "8"
    & skf18("8","9","7","3","2","4","1") = "8"
    & skf18("8","9","7","3","2","5","1") = "8"
    & skf18("8","9","7","3","2","6","1") = "8"
    & skf18("8","9","7","3","2","7","1") = "8"
    & skf18("8","9","7","3","2","8","1") = "8"
    & skf18("8","9","7","3","2","9","1") = "8"
    & skf18("8","9","7","3","2","10","1") = "9"
    & skf18("8","9","7","3","3","1","1") = "8"
    & skf18("8","9","7","3","3","2","1") = "8"
    & skf18("8","9","7","3","3","3","1") = "8"
    & skf18("8","9","7","3","3","4","1") = "8"
    & skf18("8","9","7","3","3","5","1") = "8"
    & skf18("8","9","7","3","3","6","1") = "8"
    & skf18("8","9","7","3","3","7","1") = "8"
    & skf18("8","9","7","3","3","8","1") = "8"
    & skf18("8","9","7","3","3","9","1") = "8"
    & skf18("8","9","7","3","3","10","1") = "9"
    & skf18("8","9","7","3","4","1","1") = "8"
    & skf18("8","9","7","3","4","2","1") = "8"
    & skf18("8","9","7","3","4","3","1") = "8"
    & skf18("8","9","7","3","4","4","1") = "8"
    & skf18("8","9","7","3","4","5","1") = "8"
    & skf18("8","9","7","3","4","6","1") = "8"
    & skf18("8","9","7","3","4","7","1") = "8"
    & skf18("8","9","7","3","4","8","1") = "8"
    & skf18("8","9","7","3","4","9","1") = "8"
    & skf18("8","9","7","3","4","10","1") = "9"
    & skf18("8","9","7","3","5","1","1") = "8"
    & skf18("8","9","7","3","5","2","1") = "8"
    & skf18("8","9","7","3","5","3","1") = "8"
    & skf18("8","9","7","3","5","4","1") = "8"
    & skf18("8","9","7","3","5","5","1") = "8"
    & skf18("8","9","7","3","5","6","1") = "8"
    & skf18("8","9","7","3","5","7","1") = "8"
    & skf18("8","9","7","3","5","8","1") = "8"
    & skf18("8","9","7","3","5","9","1") = "8"
    & skf18("8","9","7","3","5","10","1") = "9"
    & skf18("8","9","7","3","6","1","1") = "8"
    & skf18("8","9","7","3","6","2","1") = "8"
    & skf18("8","9","7","3","6","3","1") = "8"
    & skf18("8","9","7","3","6","4","1") = "8"
    & skf18("8","9","7","3","6","5","1") = "8"
    & skf18("8","9","7","3","6","6","1") = "8"
    & skf18("8","9","7","3","6","7","1") = "8"
    & skf18("8","9","7","3","6","8","1") = "8"
    & skf18("8","9","7","3","6","9","1") = "8"
    & skf18("8","9","7","3","6","10","1") = "9"
    & skf18("8","9","7","3","7","1","1") = "8"
    & skf18("8","9","7","3","7","2","1") = "8"
    & skf18("8","9","7","3","7","3","1") = "8"
    & skf18("8","9","7","3","7","4","1") = "8"
    & skf18("8","9","7","3","7","5","1") = "8"
    & skf18("8","9","7","3","7","6","1") = "8"
    & skf18("8","9","7","3","7","7","1") = "8"
    & skf18("8","9","7","3","7","8","1") = "8"
    & skf18("8","9","7","3","7","9","1") = "8"
    & skf18("8","9","7","3","7","10","1") = "9"
    & skf18("8","9","7","3","8","1","1") = "8"
    & skf18("8","9","7","3","8","2","1") = "8"
    & skf18("8","9","7","3","8","3","1") = "8"
    & skf18("8","9","7","3","8","4","1") = "8"
    & skf18("8","9","7","3","8","5","1") = "8"
    & skf18("8","9","7","3","8","6","1") = "8"
    & skf18("8","9","7","3","8","7","1") = "8"
    & skf18("8","9","7","3","8","8","1") = "8"
    & skf18("8","9","7","3","8","9","1") = "8"
    & skf18("8","9","7","3","8","10","1") = "9"
    & skf18("8","9","7","3","9","1","1") = "8"
    & skf18("8","9","7","3","9","2","1") = "8"
    & skf18("8","9","7","3","9","3","1") = "8"
    & skf18("8","9","7","3","9","4","1") = "8"
    & skf18("8","9","7","3","9","5","1") = "8"
    & skf18("8","9","7","3","9","6","1") = "8"
    & skf18("8","9","7","3","9","7","1") = "8"
    & skf18("8","9","7","3","9","8","1") = "8"
    & skf18("8","9","7","3","9","9","1") = "8"
    & skf18("8","9","7","3","9","10","1") = "9"
    & skf18("8","9","7","3","10","1","1") = "9"
    & skf18("8","9","7","3","10","2","1") = "9"
    & skf18("8","9","7","3","10","3","1") = "9"
    & skf18("8","9","7","3","10","4","1") = "9"
    & skf18("8","9","7","3","10","5","1") = "9"
    & skf18("8","9","7","3","10","6","1") = "9"
    & skf18("8","9","7","3","10","7","1") = "9"
    & skf18("8","9","7","3","10","8","1") = "9"
    & skf18("8","9","7","3","10","9","1") = "9"
    & skf18("8","9","7","3","10","10","1") = "9"
    & skf18("8","9","7","4","1","1","1") = "8"
    & skf18("8","9","7","4","1","2","1") = "8"
    & skf18("8","9","7","4","1","3","1") = "8"
    & skf18("8","9","7","4","1","4","1") = "8"
    & skf18("8","9","7","4","1","5","1") = "8"
    & skf18("8","9","7","4","1","6","1") = "8"
    & skf18("8","9","7","4","1","7","1") = "8"
    & skf18("8","9","7","4","1","8","1") = "8"
    & skf18("8","9","7","4","1","9","1") = "8"
    & skf18("8","9","7","4","1","10","1") = "9"
    & skf18("8","9","7","4","2","1","1") = "8"
    & skf18("8","9","7","4","2","2","1") = "8"
    & skf18("8","9","7","4","2","3","1") = "8"
    & skf18("8","9","7","4","2","4","1") = "8"
    & skf18("8","9","7","4","2","5","1") = "8"
    & skf18("8","9","7","4","2","6","1") = "8"
    & skf18("8","9","7","4","2","7","1") = "8"
    & skf18("8","9","7","4","2","8","1") = "8"
    & skf18("8","9","7","4","2","9","1") = "8"
    & skf18("8","9","7","4","2","10","1") = "9"
    & skf18("8","9","7","4","3","1","1") = "8"
    & skf18("8","9","7","4","3","2","1") = "8"
    & skf18("8","9","7","4","3","3","1") = "8"
    & skf18("8","9","7","4","3","4","1") = "8"
    & skf18("8","9","7","4","3","5","1") = "8"
    & skf18("8","9","7","4","3","6","1") = "8"
    & skf18("8","9","7","4","3","7","1") = "8"
    & skf18("8","9","7","4","3","8","1") = "8"
    & skf18("8","9","7","4","3","9","1") = "8"
    & skf18("8","9","7","4","3","10","1") = "9"
    & skf18("8","9","7","4","4","1","1") = "8"
    & skf18("8","9","7","4","4","2","1") = "8"
    & skf18("8","9","7","4","4","3","1") = "8"
    & skf18("8","9","7","4","4","4","1") = "8"
    & skf18("8","9","7","4","4","5","1") = "8"
    & skf18("8","9","7","4","4","6","1") = "8"
    & skf18("8","9","7","4","4","7","1") = "8"
    & skf18("8","9","7","4","4","8","1") = "8"
    & skf18("8","9","7","4","4","9","1") = "8"
    & skf18("8","9","7","4","4","10","1") = "9"
    & skf18("8","9","7","4","5","1","1") = "8"
    & skf18("8","9","7","4","5","2","1") = "8"
    & skf18("8","9","7","4","5","3","1") = "8"
    & skf18("8","9","7","4","5","4","1") = "8"
    & skf18("8","9","7","4","5","5","1") = "8"
    & skf18("8","9","7","4","5","6","1") = "8"
    & skf18("8","9","7","4","5","7","1") = "8"
    & skf18("8","9","7","4","5","8","1") = "8"
    & skf18("8","9","7","4","5","9","1") = "8"
    & skf18("8","9","7","4","5","10","1") = "9"
    & skf18("8","9","7","4","6","1","1") = "8"
    & skf18("8","9","7","4","6","2","1") = "8"
    & skf18("8","9","7","4","6","3","1") = "8"
    & skf18("8","9","7","4","6","4","1") = "8"
    & skf18("8","9","7","4","6","5","1") = "8"
    & skf18("8","9","7","4","6","6","1") = "8"
    & skf18("8","9","7","4","6","7","1") = "8"
    & skf18("8","9","7","4","6","8","1") = "8"
    & skf18("8","9","7","4","6","9","1") = "8"
    & skf18("8","9","7","4","6","10","1") = "9"
    & skf18("8","9","7","4","7","1","1") = "8"
    & skf18("8","9","7","4","7","2","1") = "8"
    & skf18("8","9","7","4","7","3","1") = "8"
    & skf18("8","9","7","4","7","4","1") = "8"
    & skf18("8","9","7","4","7","5","1") = "8"
    & skf18("8","9","7","4","7","6","1") = "8"
    & skf18("8","9","7","4","7","7","1") = "8"
    & skf18("8","9","7","4","7","8","1") = "8"
    & skf18("8","9","7","4","7","9","1") = "8"
    & skf18("8","9","7","4","7","10","1") = "9"
    & skf18("8","9","7","4","8","1","1") = "8"
    & skf18("8","9","7","4","8","2","1") = "8"
    & skf18("8","9","7","4","8","3","1") = "8"
    & skf18("8","9","7","4","8","4","1") = "8"
    & skf18("8","9","7","4","8","5","1") = "8"
    & skf18("8","9","7","4","8","6","1") = "8"
    & skf18("8","9","7","4","8","7","1") = "8"
    & skf18("8","9","7","4","8","8","1") = "8"
    & skf18("8","9","7","4","8","9","1") = "8"
    & skf18("8","9","7","4","8","10","1") = "9"
    & skf18("8","9","7","4","9","1","1") = "8"
    & skf18("8","9","7","4","9","2","1") = "8"
    & skf18("8","9","7","4","9","3","1") = "8"
    & skf18("8","9","7","4","9","4","1") = "8"
    & skf18("8","9","7","4","9","5","1") = "8"
    & skf18("8","9","7","4","9","6","1") = "8"
    & skf18("8","9","7","4","9","7","1") = "8"
    & skf18("8","9","7","4","9","8","1") = "8"
    & skf18("8","9","7","4","9","9","1") = "8"
    & skf18("8","9","7","4","9","10","1") = "9"
    & skf18("8","9","7","4","10","1","1") = "9"
    & skf18("8","9","7","4","10","2","1") = "9"
    & skf18("8","9","7","4","10","3","1") = "9"
    & skf18("8","9","7","4","10","4","1") = "9"
    & skf18("8","9","7","4","10","5","1") = "9"
    & skf18("8","9","7","4","10","6","1") = "9"
    & skf18("8","9","7","4","10","7","1") = "9"
    & skf18("8","9","7","4","10","8","1") = "9"
    & skf18("8","9","7","4","10","9","1") = "9"
    & skf18("8","9","7","4","10","10","1") = "9"
    & skf18("8","9","7","5","1","1","1") = "8"
    & skf18("8","9","7","5","1","2","1") = "8"
    & skf18("8","9","7","5","1","3","1") = "8"
    & skf18("8","9","7","5","1","4","1") = "8"
    & skf18("8","9","7","5","1","5","1") = "8"
    & skf18("8","9","7","5","1","6","1") = "8"
    & skf18("8","9","7","5","1","7","1") = "8"
    & skf18("8","9","7","5","1","8","1") = "8"
    & skf18("8","9","7","5","1","9","1") = "8"
    & skf18("8","9","7","5","1","10","1") = "9"
    & skf18("8","9","7","5","2","1","1") = "8"
    & skf18("8","9","7","5","2","2","1") = "8"
    & skf18("8","9","7","5","2","3","1") = "8"
    & skf18("8","9","7","5","2","4","1") = "8"
    & skf18("8","9","7","5","2","5","1") = "8"
    & skf18("8","9","7","5","2","6","1") = "8"
    & skf18("8","9","7","5","2","7","1") = "8"
    & skf18("8","9","7","5","2","8","1") = "8"
    & skf18("8","9","7","5","2","9","1") = "8"
    & skf18("8","9","7","5","2","10","1") = "9"
    & skf18("8","9","7","5","3","1","1") = "8"
    & skf18("8","9","7","5","3","2","1") = "8"
    & skf18("8","9","7","5","3","3","1") = "8"
    & skf18("8","9","7","5","3","4","1") = "8"
    & skf18("8","9","7","5","3","5","1") = "8"
    & skf18("8","9","7","5","3","6","1") = "8"
    & skf18("8","9","7","5","3","7","1") = "8"
    & skf18("8","9","7","5","3","8","1") = "8"
    & skf18("8","9","7","5","3","9","1") = "8"
    & skf18("8","9","7","5","3","10","1") = "9"
    & skf18("8","9","7","5","4","1","1") = "8"
    & skf18("8","9","7","5","4","2","1") = "8"
    & skf18("8","9","7","5","4","3","1") = "8"
    & skf18("8","9","7","5","4","4","1") = "8"
    & skf18("8","9","7","5","4","5","1") = "8"
    & skf18("8","9","7","5","4","6","1") = "8"
    & skf18("8","9","7","5","4","7","1") = "8"
    & skf18("8","9","7","5","4","8","1") = "8"
    & skf18("8","9","7","5","4","9","1") = "8"
    & skf18("8","9","7","5","4","10","1") = "9"
    & skf18("8","9","7","5","5","1","1") = "8"
    & skf18("8","9","7","5","5","2","1") = "8"
    & skf18("8","9","7","5","5","3","1") = "8"
    & skf18("8","9","7","5","5","4","1") = "8"
    & skf18("8","9","7","5","5","5","1") = "8"
    & skf18("8","9","7","5","5","6","1") = "8"
    & skf18("8","9","7","5","5","7","1") = "8"
    & skf18("8","9","7","5","5","8","1") = "8"
    & skf18("8","9","7","5","5","9","1") = "8"
    & skf18("8","9","7","5","5","10","1") = "9"
    & skf18("8","9","7","5","6","1","1") = "8"
    & skf18("8","9","7","5","6","2","1") = "8"
    & skf18("8","9","7","5","6","3","1") = "8"
    & skf18("8","9","7","5","6","4","1") = "8"
    & skf18("8","9","7","5","6","5","1") = "8"
    & skf18("8","9","7","5","6","6","1") = "8"
    & skf18("8","9","7","5","6","7","1") = "8"
    & skf18("8","9","7","5","6","8","1") = "8"
    & skf18("8","9","7","5","6","9","1") = "8"
    & skf18("8","9","7","5","6","10","1") = "9"
    & skf18("8","9","7","5","7","1","1") = "8"
    & skf18("8","9","7","5","7","2","1") = "8"
    & skf18("8","9","7","5","7","3","1") = "8"
    & skf18("8","9","7","5","7","4","1") = "8"
    & skf18("8","9","7","5","7","5","1") = "8"
    & skf18("8","9","7","5","7","6","1") = "8"
    & skf18("8","9","7","5","7","7","1") = "8"
    & skf18("8","9","7","5","7","8","1") = "8"
    & skf18("8","9","7","5","7","9","1") = "8"
    & skf18("8","9","7","5","7","10","1") = "9"
    & skf18("8","9","7","5","8","1","1") = "8"
    & skf18("8","9","7","5","8","2","1") = "8"
    & skf18("8","9","7","5","8","3","1") = "8"
    & skf18("8","9","7","5","8","4","1") = "8"
    & skf18("8","9","7","5","8","5","1") = "8"
    & skf18("8","9","7","5","8","6","1") = "8"
    & skf18("8","9","7","5","8","7","1") = "8"
    & skf18("8","9","7","5","8","8","1") = "8"
    & skf18("8","9","7","5","8","9","1") = "8"
    & skf18("8","9","7","5","8","10","1") = "9"
    & skf18("8","9","7","5","9","1","1") = "8"
    & skf18("8","9","7","5","9","2","1") = "8"
    & skf18("8","9","7","5","9","3","1") = "8"
    & skf18("8","9","7","5","9","4","1") = "8"
    & skf18("8","9","7","5","9","5","1") = "8"
    & skf18("8","9","7","5","9","6","1") = "8"
    & skf18("8","9","7","5","9","7","1") = "8"
    & skf18("8","9","7","5","9","8","1") = "8"
    & skf18("8","9","7","5","9","9","1") = "8"
    & skf18("8","9","7","5","9","10","1") = "9"
    & skf18("8","9","7","5","10","1","1") = "9"
    & skf18("8","9","7","5","10","2","1") = "9"
    & skf18("8","9","7","5","10","3","1") = "9"
    & skf18("8","9","7","5","10","4","1") = "9"
    & skf18("8","9","7","5","10","5","1") = "9"
    & skf18("8","9","7","5","10","6","1") = "9"
    & skf18("8","9","7","5","10","7","1") = "9"
    & skf18("8","9","7","5","10","8","1") = "9"
    & skf18("8","9","7","5","10","9","1") = "9"
    & skf18("8","9","7","5","10","10","1") = "9"
    & skf18("8","9","7","6","1","1","1") = "8"
    & skf18("8","9","7","6","1","2","1") = "8"
    & skf18("8","9","7","6","1","3","1") = "8"
    & skf18("8","9","7","6","1","4","1") = "8"
    & skf18("8","9","7","6","1","5","1") = "8"
    & skf18("8","9","7","6","1","6","1") = "8"
    & skf18("8","9","7","6","1","7","1") = "8"
    & skf18("8","9","7","6","1","8","1") = "8"
    & skf18("8","9","7","6","1","9","1") = "8"
    & skf18("8","9","7","6","1","10","1") = "9"
    & skf18("8","9","7","6","2","1","1") = "8"
    & skf18("8","9","7","6","2","2","1") = "8"
    & skf18("8","9","7","6","2","3","1") = "8"
    & skf18("8","9","7","6","2","4","1") = "8"
    & skf18("8","9","7","6","2","5","1") = "8"
    & skf18("8","9","7","6","2","6","1") = "8"
    & skf18("8","9","7","6","2","7","1") = "8"
    & skf18("8","9","7","6","2","8","1") = "8"
    & skf18("8","9","7","6","2","9","1") = "8"
    & skf18("8","9","7","6","2","10","1") = "9"
    & skf18("8","9","7","6","3","1","1") = "8"
    & skf18("8","9","7","6","3","2","1") = "8"
    & skf18("8","9","7","6","3","3","1") = "8"
    & skf18("8","9","7","6","3","4","1") = "8"
    & skf18("8","9","7","6","3","5","1") = "8"
    & skf18("8","9","7","6","3","6","1") = "8"
    & skf18("8","9","7","6","3","7","1") = "8"
    & skf18("8","9","7","6","3","8","1") = "8"
    & skf18("8","9","7","6","3","9","1") = "8"
    & skf18("8","9","7","6","3","10","1") = "9"
    & skf18("8","9","7","6","4","1","1") = "8"
    & skf18("8","9","7","6","4","2","1") = "8"
    & skf18("8","9","7","6","4","3","1") = "8"
    & skf18("8","9","7","6","4","4","1") = "8"
    & skf18("8","9","7","6","4","5","1") = "8"
    & skf18("8","9","7","6","4","6","1") = "8"
    & skf18("8","9","7","6","4","7","1") = "8"
    & skf18("8","9","7","6","4","8","1") = "8"
    & skf18("8","9","7","6","4","9","1") = "8"
    & skf18("8","9","7","6","4","10","1") = "9"
    & skf18("8","9","7","6","5","1","1") = "8"
    & skf18("8","9","7","6","5","2","1") = "8"
    & skf18("8","9","7","6","5","3","1") = "8"
    & skf18("8","9","7","6","5","4","1") = "8"
    & skf18("8","9","7","6","5","5","1") = "8"
    & skf18("8","9","7","6","5","6","1") = "8"
    & skf18("8","9","7","6","5","7","1") = "8"
    & skf18("8","9","7","6","5","8","1") = "8"
    & skf18("8","9","7","6","5","9","1") = "8"
    & skf18("8","9","7","6","5","10","1") = "9"
    & skf18("8","9","7","6","6","1","1") = "8"
    & skf18("8","9","7","6","6","2","1") = "8"
    & skf18("8","9","7","6","6","3","1") = "8"
    & skf18("8","9","7","6","6","4","1") = "8"
    & skf18("8","9","7","6","6","5","1") = "8"
    & skf18("8","9","7","6","6","6","1") = "8"
    & skf18("8","9","7","6","6","7","1") = "8"
    & skf18("8","9","7","6","6","8","1") = "8"
    & skf18("8","9","7","6","6","9","1") = "8"
    & skf18("8","9","7","6","6","10","1") = "9"
    & skf18("8","9","7","6","7","1","1") = "8"
    & skf18("8","9","7","6","7","2","1") = "8"
    & skf18("8","9","7","6","7","3","1") = "8"
    & skf18("8","9","7","6","7","4","1") = "8"
    & skf18("8","9","7","6","7","5","1") = "8"
    & skf18("8","9","7","6","7","6","1") = "8"
    & skf18("8","9","7","6","7","7","1") = "8"
    & skf18("8","9","7","6","7","8","1") = "8"
    & skf18("8","9","7","6","7","9","1") = "8"
    & skf18("8","9","7","6","7","10","1") = "9"
    & skf18("8","9","7","6","8","1","1") = "8"
    & skf18("8","9","7","6","8","2","1") = "8"
    & skf18("8","9","7","6","8","3","1") = "8"
    & skf18("8","9","7","6","8","4","1") = "8"
    & skf18("8","9","7","6","8","5","1") = "8"
    & skf18("8","9","7","6","8","6","1") = "8"
    & skf18("8","9","7","6","8","7","1") = "8"
    & skf18("8","9","7","6","8","8","1") = "8"
    & skf18("8","9","7","6","8","9","1") = "8"
    & skf18("8","9","7","6","8","10","1") = "9"
    & skf18("8","9","7","6","9","1","1") = "8"
    & skf18("8","9","7","6","9","2","1") = "8"
    & skf18("8","9","7","6","9","3","1") = "8"
    & skf18("8","9","7","6","9","4","1") = "8"
    & skf18("8","9","7","6","9","5","1") = "8"
    & skf18("8","9","7","6","9","6","1") = "8"
    & skf18("8","9","7","6","9","7","1") = "8"
    & skf18("8","9","7","6","9","8","1") = "8"
    & skf18("8","9","7","6","9","9","1") = "8"
    & skf18("8","9","7","6","9","10","1") = "9"
    & skf18("8","9","7","6","10","1","1") = "9"
    & skf18("8","9","7","6","10","2","1") = "9"
    & skf18("8","9","7","6","10","3","1") = "9"
    & skf18("8","9","7","6","10","4","1") = "9"
    & skf18("8","9","7","6","10","5","1") = "9"
    & skf18("8","9","7","6","10","6","1") = "9"
    & skf18("8","9","7","6","10","7","1") = "9"
    & skf18("8","9","7","6","10","8","1") = "9"
    & skf18("8","9","7","6","10","9","1") = "9"
    & skf18("8","9","7","6","10","10","1") = "9"
    & skf18("8","9","7","7","1","1","1") = "8"
    & skf18("8","9","7","7","1","2","1") = "8"
    & skf18("8","9","7","7","1","3","1") = "8"
    & skf18("8","9","7","7","1","4","1") = "8"
    & skf18("8","9","7","7","1","5","1") = "8"
    & skf18("8","9","7","7","1","6","1") = "8"
    & skf18("8","9","7","7","1","7","1") = "8"
    & skf18("8","9","7","7","1","8","1") = "8"
    & skf18("8","9","7","7","1","9","1") = "8"
    & skf18("8","9","7","7","1","10","1") = "9"
    & skf18("8","9","7","7","2","1","1") = "8"
    & skf18("8","9","7","7","2","2","1") = "8"
    & skf18("8","9","7","7","2","3","1") = "8"
    & skf18("8","9","7","7","2","4","1") = "8"
    & skf18("8","9","7","7","2","5","1") = "8"
    & skf18("8","9","7","7","2","6","1") = "8"
    & skf18("8","9","7","7","2","7","1") = "8"
    & skf18("8","9","7","7","2","8","1") = "8"
    & skf18("8","9","7","7","2","9","1") = "8"
    & skf18("8","9","7","7","2","10","1") = "9"
    & skf18("8","9","7","7","3","1","1") = "8"
    & skf18("8","9","7","7","3","2","1") = "8"
    & skf18("8","9","7","7","3","3","1") = "8"
    & skf18("8","9","7","7","3","4","1") = "8"
    & skf18("8","9","7","7","3","5","1") = "8"
    & skf18("8","9","7","7","3","6","1") = "8"
    & skf18("8","9","7","7","3","7","1") = "8"
    & skf18("8","9","7","7","3","8","1") = "8"
    & skf18("8","9","7","7","3","9","1") = "8"
    & skf18("8","9","7","7","3","10","1") = "9"
    & skf18("8","9","7","7","4","1","1") = "8"
    & skf18("8","9","7","7","4","2","1") = "8"
    & skf18("8","9","7","7","4","3","1") = "8"
    & skf18("8","9","7","7","4","4","1") = "8"
    & skf18("8","9","7","7","4","5","1") = "8"
    & skf18("8","9","7","7","4","6","1") = "8"
    & skf18("8","9","7","7","4","7","1") = "8"
    & skf18("8","9","7","7","4","8","1") = "8"
    & skf18("8","9","7","7","4","9","1") = "8"
    & skf18("8","9","7","7","4","10","1") = "9"
    & skf18("8","9","7","7","5","1","1") = "8"
    & skf18("8","9","7","7","5","2","1") = "8"
    & skf18("8","9","7","7","5","3","1") = "8"
    & skf18("8","9","7","7","5","4","1") = "8"
    & skf18("8","9","7","7","5","5","1") = "8"
    & skf18("8","9","7","7","5","6","1") = "8"
    & skf18("8","9","7","7","5","7","1") = "8"
    & skf18("8","9","7","7","5","8","1") = "8"
    & skf18("8","9","7","7","5","9","1") = "8"
    & skf18("8","9","7","7","5","10","1") = "9"
    & skf18("8","9","7","7","6","1","1") = "8"
    & skf18("8","9","7","7","6","2","1") = "8"
    & skf18("8","9","7","7","6","3","1") = "8"
    & skf18("8","9","7","7","6","4","1") = "8"
    & skf18("8","9","7","7","6","5","1") = "8"
    & skf18("8","9","7","7","6","6","1") = "8"
    & skf18("8","9","7","7","6","7","1") = "8"
    & skf18("8","9","7","7","6","8","1") = "8"
    & skf18("8","9","7","7","6","9","1") = "8"
    & skf18("8","9","7","7","6","10","1") = "9"
    & skf18("8","9","7","7","7","1","1") = "8"
    & skf18("8","9","7","7","7","2","1") = "8"
    & skf18("8","9","7","7","7","3","1") = "8"
    & skf18("8","9","7","7","7","4","1") = "8"
    & skf18("8","9","7","7","7","5","1") = "8"
    & skf18("8","9","7","7","7","6","1") = "8"
    & skf18("8","9","7","7","7","7","1") = "8"
    & skf18("8","9","7","7","7","8","1") = "8"
    & skf18("8","9","7","7","7","9","1") = "8"
    & skf18("8","9","7","7","7","10","1") = "9"
    & skf18("8","9","7","7","8","1","1") = "8"
    & skf18("8","9","7","7","8","2","1") = "8"
    & skf18("8","9","7","7","8","3","1") = "8"
    & skf18("8","9","7","7","8","4","1") = "8"
    & skf18("8","9","7","7","8","5","1") = "8"
    & skf18("8","9","7","7","8","6","1") = "8"
    & skf18("8","9","7","7","8","7","1") = "8"
    & skf18("8","9","7","7","8","8","1") = "8"
    & skf18("8","9","7","7","8","9","1") = "8"
    & skf18("8","9","7","7","8","10","1") = "9"
    & skf18("8","9","7","7","9","1","1") = "8"
    & skf18("8","9","7","7","9","2","1") = "8"
    & skf18("8","9","7","7","9","3","1") = "8"
    & skf18("8","9","7","7","9","4","1") = "8"
    & skf18("8","9","7","7","9","5","1") = "8"
    & skf18("8","9","7","7","9","6","1") = "8"
    & skf18("8","9","7","7","9","7","1") = "8"
    & skf18("8","9","7","7","9","8","1") = "8"
    & skf18("8","9","7","7","9","9","1") = "8"
    & skf18("8","9","7","7","9","10","1") = "9"
    & skf18("8","9","7","7","10","1","1") = "9"
    & skf18("8","9","7","7","10","2","1") = "9"
    & skf18("8","9","7","7","10","3","1") = "9"
    & skf18("8","9","7","7","10","4","1") = "9"
    & skf18("8","9","7","7","10","5","1") = "9"
    & skf18("8","9","7","7","10","6","1") = "9"
    & skf18("8","9","7","7","10","7","1") = "9"
    & skf18("8","9","7","7","10","8","1") = "9"
    & skf18("8","9","7","7","10","9","1") = "9"
    & skf18("8","9","7","7","10","10","1") = "9"
    & skf18("8","9","7","8","1","1","1") = "8"
    & skf18("8","9","7","8","1","2","1") = "8"
    & skf18("8","9","7","8","1","3","1") = "8"
    & skf18("8","9","7","8","1","4","1") = "8"
    & skf18("8","9","7","8","1","5","1") = "8"
    & skf18("8","9","7","8","1","6","1") = "8"
    & skf18("8","9","7","8","1","7","1") = "8"
    & skf18("8","9","7","8","1","8","1") = "8"
    & skf18("8","9","7","8","1","9","1") = "8"
    & skf18("8","9","7","8","1","10","1") = "9"
    & skf18("8","9","7","8","2","1","1") = "8"
    & skf18("8","9","7","8","2","2","1") = "8"
    & skf18("8","9","7","8","2","3","1") = "8"
    & skf18("8","9","7","8","2","4","1") = "8"
    & skf18("8","9","7","8","2","5","1") = "8"
    & skf18("8","9","7","8","2","6","1") = "8"
    & skf18("8","9","7","8","2","7","1") = "8"
    & skf18("8","9","7","8","2","8","1") = "8"
    & skf18("8","9","7","8","2","9","1") = "8"
    & skf18("8","9","7","8","2","10","1") = "9"
    & skf18("8","9","7","8","3","1","1") = "8"
    & skf18("8","9","7","8","3","2","1") = "8"
    & skf18("8","9","7","8","3","3","1") = "8"
    & skf18("8","9","7","8","3","4","1") = "8"
    & skf18("8","9","7","8","3","5","1") = "8"
    & skf18("8","9","7","8","3","6","1") = "8"
    & skf18("8","9","7","8","3","7","1") = "8"
    & skf18("8","9","7","8","3","8","1") = "8"
    & skf18("8","9","7","8","3","9","1") = "8"
    & skf18("8","9","7","8","3","10","1") = "9"
    & skf18("8","9","7","8","4","1","1") = "8"
    & skf18("8","9","7","8","4","2","1") = "8"
    & skf18("8","9","7","8","4","3","1") = "8"
    & skf18("8","9","7","8","4","4","1") = "8"
    & skf18("8","9","7","8","4","5","1") = "8"
    & skf18("8","9","7","8","4","6","1") = "8"
    & skf18("8","9","7","8","4","7","1") = "8"
    & skf18("8","9","7","8","4","8","1") = "8"
    & skf18("8","9","7","8","4","9","1") = "8"
    & skf18("8","9","7","8","4","10","1") = "9"
    & skf18("8","9","7","8","5","1","1") = "8"
    & skf18("8","9","7","8","5","2","1") = "8"
    & skf18("8","9","7","8","5","3","1") = "8"
    & skf18("8","9","7","8","5","4","1") = "8"
    & skf18("8","9","7","8","5","5","1") = "8"
    & skf18("8","9","7","8","5","6","1") = "8"
    & skf18("8","9","7","8","5","7","1") = "8"
    & skf18("8","9","7","8","5","8","1") = "8"
    & skf18("8","9","7","8","5","9","1") = "8"
    & skf18("8","9","7","8","5","10","1") = "9"
    & skf18("8","9","7","8","6","1","1") = "8"
    & skf18("8","9","7","8","6","2","1") = "8"
    & skf18("8","9","7","8","6","3","1") = "8"
    & skf18("8","9","7","8","6","4","1") = "8"
    & skf18("8","9","7","8","6","5","1") = "8"
    & skf18("8","9","7","8","6","6","1") = "8"
    & skf18("8","9","7","8","6","7","1") = "8"
    & skf18("8","9","7","8","6","8","1") = "8"
    & skf18("8","9","7","8","6","9","1") = "8"
    & skf18("8","9","7","8","6","10","1") = "9"
    & skf18("8","9","7","8","7","1","1") = "8"
    & skf18("8","9","7","8","7","2","1") = "8"
    & skf18("8","9","7","8","7","3","1") = "8"
    & skf18("8","9","7","8","7","4","1") = "8"
    & skf18("8","9","7","8","7","5","1") = "8"
    & skf18("8","9","7","8","7","6","1") = "8"
    & skf18("8","9","7","8","7","7","1") = "8"
    & skf18("8","9","7","8","7","8","1") = "8"
    & skf18("8","9","7","8","7","9","1") = "8"
    & skf18("8","9","7","8","7","10","1") = "9"
    & skf18("8","9","7","8","8","1","1") = "8"
    & skf18("8","9","7","8","8","2","1") = "8"
    & skf18("8","9","7","8","8","3","1") = "8"
    & skf18("8","9","7","8","8","4","1") = "8"
    & skf18("8","9","7","8","8","5","1") = "8"
    & skf18("8","9","7","8","8","6","1") = "8"
    & skf18("8","9","7","8","8","7","1") = "8"
    & skf18("8","9","7","8","8","8","1") = "8"
    & skf18("8","9","7","8","8","9","1") = "8"
    & skf18("8","9","7","8","8","10","1") = "9"
    & skf18("8","9","7","8","9","1","1") = "8"
    & skf18("8","9","7","8","9","2","1") = "8"
    & skf18("8","9","7","8","9","3","1") = "8"
    & skf18("8","9","7","8","9","4","1") = "8"
    & skf18("8","9","7","8","9","5","1") = "8"
    & skf18("8","9","7","8","9","6","1") = "8"
    & skf18("8","9","7","8","9","7","1") = "8"
    & skf18("8","9","7","8","9","8","1") = "8"
    & skf18("8","9","7","8","9","9","1") = "8"
    & skf18("8","9","7","8","9","10","1") = "9"
    & skf18("8","9","7","8","10","1","1") = "9"
    & skf18("8","9","7","8","10","2","1") = "9"
    & skf18("8","9","7","8","10","3","1") = "9"
    & skf18("8","9","7","8","10","4","1") = "9"
    & skf18("8","9","7","8","10","5","1") = "9"
    & skf18("8","9","7","8","10","6","1") = "9"
    & skf18("8","9","7","8","10","7","1") = "9"
    & skf18("8","9","7","8","10","8","1") = "9"
    & skf18("8","9","7","8","10","9","1") = "9"
    & skf18("8","9","7","8","10","10","1") = "9"
    & skf18("8","9","7","9","1","1","1") = "8"
    & skf18("8","9","7","9","1","2","1") = "8"
    & skf18("8","9","7","9","1","3","1") = "8"
    & skf18("8","9","7","9","1","4","1") = "8"
    & skf18("8","9","7","9","1","5","1") = "8"
    & skf18("8","9","7","9","1","6","1") = "8"
    & skf18("8","9","7","9","1","7","1") = "8"
    & skf18("8","9","7","9","1","8","1") = "8"
    & skf18("8","9","7","9","1","9","1") = "8"
    & skf18("8","9","7","9","1","10","1") = "9"
    & skf18("8","9","7","9","2","1","1") = "8"
    & skf18("8","9","7","9","2","2","1") = "8"
    & skf18("8","9","7","9","2","3","1") = "8"
    & skf18("8","9","7","9","2","4","1") = "8"
    & skf18("8","9","7","9","2","5","1") = "8"
    & skf18("8","9","7","9","2","6","1") = "8"
    & skf18("8","9","7","9","2","7","1") = "8"
    & skf18("8","9","7","9","2","8","1") = "8"
    & skf18("8","9","7","9","2","9","1") = "8"
    & skf18("8","9","7","9","2","10","1") = "9"
    & skf18("8","9","7","9","3","1","1") = "8"
    & skf18("8","9","7","9","3","2","1") = "8"
    & skf18("8","9","7","9","3","3","1") = "8"
    & skf18("8","9","7","9","3","4","1") = "8"
    & skf18("8","9","7","9","3","5","1") = "8"
    & skf18("8","9","7","9","3","6","1") = "8"
    & skf18("8","9","7","9","3","7","1") = "8"
    & skf18("8","9","7","9","3","8","1") = "8"
    & skf18("8","9","7","9","3","9","1") = "8"
    & skf18("8","9","7","9","3","10","1") = "9"
    & skf18("8","9","7","9","4","1","1") = "8"
    & skf18("8","9","7","9","4","2","1") = "8"
    & skf18("8","9","7","9","4","3","1") = "8"
    & skf18("8","9","7","9","4","4","1") = "8"
    & skf18("8","9","7","9","4","5","1") = "8"
    & skf18("8","9","7","9","4","6","1") = "8"
    & skf18("8","9","7","9","4","7","1") = "8"
    & skf18("8","9","7","9","4","8","1") = "8"
    & skf18("8","9","7","9","4","9","1") = "8"
    & skf18("8","9","7","9","4","10","1") = "9"
    & skf18("8","9","7","9","5","1","1") = "8"
    & skf18("8","9","7","9","5","2","1") = "8"
    & skf18("8","9","7","9","5","3","1") = "8"
    & skf18("8","9","7","9","5","4","1") = "8"
    & skf18("8","9","7","9","5","5","1") = "8"
    & skf18("8","9","7","9","5","6","1") = "8"
    & skf18("8","9","7","9","5","7","1") = "8"
    & skf18("8","9","7","9","5","8","1") = "8"
    & skf18("8","9","7","9","5","9","1") = "8"
    & skf18("8","9","7","9","5","10","1") = "9"
    & skf18("8","9","7","9","6","1","1") = "8"
    & skf18("8","9","7","9","6","2","1") = "8"
    & skf18("8","9","7","9","6","3","1") = "8"
    & skf18("8","9","7","9","6","4","1") = "8"
    & skf18("8","9","7","9","6","5","1") = "8"
    & skf18("8","9","7","9","6","6","1") = "8"
    & skf18("8","9","7","9","6","7","1") = "8"
    & skf18("8","9","7","9","6","8","1") = "8"
    & skf18("8","9","7","9","6","9","1") = "8"
    & skf18("8","9","7","9","6","10","1") = "9"
    & skf18("8","9","7","9","7","1","1") = "8"
    & skf18("8","9","7","9","7","2","1") = "8"
    & skf18("8","9","7","9","7","3","1") = "8"
    & skf18("8","9","7","9","7","4","1") = "8"
    & skf18("8","9","7","9","7","5","1") = "8"
    & skf18("8","9","7","9","7","6","1") = "8"
    & skf18("8","9","7","9","7","7","1") = "8"
    & skf18("8","9","7","9","7","8","1") = "8"
    & skf18("8","9","7","9","7","9","1") = "8"
    & skf18("8","9","7","9","7","10","1") = "9"
    & skf18("8","9","7","9","8","1","1") = "8"
    & skf18("8","9","7","9","8","2","1") = "8"
    & skf18("8","9","7","9","8","3","1") = "8"
    & skf18("8","9","7","9","8","4","1") = "8"
    & skf18("8","9","7","9","8","5","1") = "8"
    & skf18("8","9","7","9","8","6","1") = "8"
    & skf18("8","9","7","9","8","7","1") = "8"
    & skf18("8","9","7","9","8","8","1") = "8"
    & skf18("8","9","7","9","8","9","1") = "8"
    & skf18("8","9","7","9","8","10","1") = "9"
    & skf18("8","9","7","9","9","1","1") = "8"
    & skf18("8","9","7","9","9","2","1") = "8"
    & skf18("8","9","7","9","9","3","1") = "8"
    & skf18("8","9","7","9","9","4","1") = "8"
    & skf18("8","9","7","9","9","5","1") = "8"
    & skf18("8","9","7","9","9","6","1") = "8"
    & skf18("8","9","7","9","9","7","1") = "8"
    & skf18("8","9","7","9","9","8","1") = "8"
    & skf18("8","9","7","9","9","9","1") = "8"
    & skf18("8","9","7","9","9","10","1") = "9"
    & skf18("8","9","7","9","10","1","1") = "9"
    & skf18("8","9","7","9","10","2","1") = "9"
    & skf18("8","9","7","9","10","3","1") = "9"
    & skf18("8","9","7","9","10","4","1") = "9"
    & skf18("8","9","7","9","10","5","1") = "9"
    & skf18("8","9","7","9","10","6","1") = "9"
    & skf18("8","9","7","9","10","7","1") = "9"
    & skf18("8","9","7","9","10","8","1") = "9"
    & skf18("8","9","7","9","10","9","1") = "9"
    & skf18("8","9","7","9","10","10","1") = "9"
    & skf18("8","9","7","10","1","1","1") = "9"
    & skf18("8","9","7","10","1","2","1") = "9"
    & skf18("8","9","7","10","1","3","1") = "9"
    & skf18("8","9","7","10","1","4","1") = "9"
    & skf18("8","9","7","10","1","5","1") = "9"
    & skf18("8","9","7","10","1","6","1") = "9"
    & skf18("8","9","7","10","1","7","1") = "9"
    & skf18("8","9","7","10","1","8","1") = "9"
    & skf18("8","9","7","10","1","9","1") = "9"
    & skf18("8","9","7","10","1","10","1") = "9"
    & skf18("8","9","7","10","2","1","1") = "9"
    & skf18("8","9","7","10","2","2","1") = "9"
    & skf18("8","9","7","10","2","3","1") = "9"
    & skf18("8","9","7","10","2","4","1") = "9"
    & skf18("8","9","7","10","2","5","1") = "9"
    & skf18("8","9","7","10","2","6","1") = "9"
    & skf18("8","9","7","10","2","7","1") = "9"
    & skf18("8","9","7","10","2","8","1") = "9"
    & skf18("8","9","7","10","2","9","1") = "9"
    & skf18("8","9","7","10","2","10","1") = "9"
    & skf18("8","9","7","10","3","1","1") = "9"
    & skf18("8","9","7","10","3","2","1") = "9"
    & skf18("8","9","7","10","3","3","1") = "9"
    & skf18("8","9","7","10","3","4","1") = "9"
    & skf18("8","9","7","10","3","5","1") = "9"
    & skf18("8","9","7","10","3","6","1") = "9"
    & skf18("8","9","7","10","3","7","1") = "9"
    & skf18("8","9","7","10","3","8","1") = "9"
    & skf18("8","9","7","10","3","9","1") = "9"
    & skf18("8","9","7","10","3","10","1") = "9"
    & skf18("8","9","7","10","4","1","1") = "9"
    & skf18("8","9","7","10","4","2","1") = "9"
    & skf18("8","9","7","10","4","3","1") = "9"
    & skf18("8","9","7","10","4","4","1") = "9"
    & skf18("8","9","7","10","4","5","1") = "9"
    & skf18("8","9","7","10","4","6","1") = "9"
    & skf18("8","9","7","10","4","7","1") = "9"
    & skf18("8","9","7","10","4","8","1") = "9"
    & skf18("8","9","7","10","4","9","1") = "9"
    & skf18("8","9","7","10","4","10","1") = "9"
    & skf18("8","9","7","10","5","1","1") = "9"
    & skf18("8","9","7","10","5","2","1") = "9"
    & skf18("8","9","7","10","5","3","1") = "9"
    & skf18("8","9","7","10","5","4","1") = "9"
    & skf18("8","9","7","10","5","5","1") = "9"
    & skf18("8","9","7","10","5","6","1") = "9"
    & skf18("8","9","7","10","5","7","1") = "9"
    & skf18("8","9","7","10","5","8","1") = "9"
    & skf18("8","9","7","10","5","9","1") = "9"
    & skf18("8","9","7","10","5","10","1") = "9"
    & skf18("8","9","7","10","6","1","1") = "9"
    & skf18("8","9","7","10","6","2","1") = "9"
    & skf18("8","9","7","10","6","3","1") = "9"
    & skf18("8","9","7","10","6","4","1") = "9"
    & skf18("8","9","7","10","6","5","1") = "9"
    & skf18("8","9","7","10","6","6","1") = "9"
    & skf18("8","9","7","10","6","7","1") = "9"
    & skf18("8","9","7","10","6","8","1") = "9"
    & skf18("8","9","7","10","6","9","1") = "9"
    & skf18("8","9","7","10","6","10","1") = "9"
    & skf18("8","9","7","10","7","1","1") = "9"
    & skf18("8","9","7","10","7","2","1") = "9"
    & skf18("8","9","7","10","7","3","1") = "9"
    & skf18("8","9","7","10","7","4","1") = "9"
    & skf18("8","9","7","10","7","5","1") = "9"
    & skf18("8","9","7","10","7","6","1") = "9"
    & skf18("8","9","7","10","7","7","1") = "9"
    & skf18("8","9","7","10","7","8","1") = "9"
    & skf18("8","9","7","10","7","9","1") = "9"
    & skf18("8","9","7","10","7","10","1") = "9"
    & skf18("8","9","7","10","8","1","1") = "9"
    & skf18("8","9","7","10","8","2","1") = "9"
    & skf18("8","9","7","10","8","3","1") = "9"
    & skf18("8","9","7","10","8","4","1") = "9"
    & skf18("8","9","7","10","8","5","1") = "9"
    & skf18("8","9","7","10","8","6","1") = "9"
    & skf18("8","9","7","10","8","7","1") = "9"
    & skf18("8","9","7","10","8","8","1") = "9"
    & skf18("8","9","7","10","8","9","1") = "9"
    & skf18("8","9","7","10","8","10","1") = "9"
    & skf18("8","9","7","10","9","1","1") = "9"
    & skf18("8","9","7","10","9","2","1") = "9"
    & skf18("8","9","7","10","9","3","1") = "9"
    & skf18("8","9","7","10","9","4","1") = "9"
    & skf18("8","9","7","10","9","5","1") = "9"
    & skf18("8","9","7","10","9","6","1") = "9"
    & skf18("8","9","7","10","9","7","1") = "9"
    & skf18("8","9","7","10","9","8","1") = "9"
    & skf18("8","9","7","10","9","9","1") = "9"
    & skf18("8","9","7","10","9","10","1") = "9"
    & skf18("8","9","7","10","10","1","1") = "9"
    & skf18("8","9","7","10","10","2","1") = "9"
    & skf18("8","9","7","10","10","3","1") = "9"
    & skf18("8","9","7","10","10","4","1") = "9"
    & skf18("8","9","7","10","10","5","1") = "9"
    & skf18("8","9","7","10","10","6","1") = "9"
    & skf18("8","9","7","10","10","7","1") = "9"
    & skf18("8","9","7","10","10","8","1") = "9"
    & skf18("8","9","7","10","10","9","1") = "9"
    & skf18("8","9","7","10","10","10","1") = "9"
    & skf18("8","9","8","1","1","1","1") = "8"
    & skf18("8","9","8","1","1","2","1") = "8"
    & skf18("8","9","8","1","1","3","1") = "8"
    & skf18("8","9","8","1","1","4","1") = "8"
    & skf18("8","9","8","1","1","5","1") = "8"
    & skf18("8","9","8","1","1","6","1") = "8"
    & skf18("8","9","8","1","1","7","1") = "8"
    & skf18("8","9","8","1","1","8","1") = "8"
    & skf18("8","9","8","1","1","9","1") = "8"
    & skf18("8","9","8","1","1","10","1") = "9"
    & skf18("8","9","8","1","2","1","1") = "8"
    & skf18("8","9","8","1","2","2","1") = "8"
    & skf18("8","9","8","1","2","3","1") = "8"
    & skf18("8","9","8","1","2","4","1") = "8"
    & skf18("8","9","8","1","2","5","1") = "8"
    & skf18("8","9","8","1","2","6","1") = "8"
    & skf18("8","9","8","1","2","7","1") = "8"
    & skf18("8","9","8","1","2","8","1") = "8"
    & skf18("8","9","8","1","2","9","1") = "8"
    & skf18("8","9","8","1","2","10","1") = "9"
    & skf18("8","9","8","1","3","1","1") = "8"
    & skf18("8","9","8","1","3","2","1") = "8"
    & skf18("8","9","8","1","3","3","1") = "8"
    & skf18("8","9","8","1","3","4","1") = "8"
    & skf18("8","9","8","1","3","5","1") = "8"
    & skf18("8","9","8","1","3","6","1") = "8"
    & skf18("8","9","8","1","3","7","1") = "8"
    & skf18("8","9","8","1","3","8","1") = "8"
    & skf18("8","9","8","1","3","9","1") = "8"
    & skf18("8","9","8","1","3","10","1") = "9"
    & skf18("8","9","8","1","4","1","1") = "8"
    & skf18("8","9","8","1","4","2","1") = "8"
    & skf18("8","9","8","1","4","3","1") = "8"
    & skf18("8","9","8","1","4","4","1") = "8"
    & skf18("8","9","8","1","4","5","1") = "8"
    & skf18("8","9","8","1","4","6","1") = "8"
    & skf18("8","9","8","1","4","7","1") = "8"
    & skf18("8","9","8","1","4","8","1") = "8"
    & skf18("8","9","8","1","4","9","1") = "8"
    & skf18("8","9","8","1","4","10","1") = "9"
    & skf18("8","9","8","1","5","1","1") = "8"
    & skf18("8","9","8","1","5","2","1") = "8"
    & skf18("8","9","8","1","5","3","1") = "8"
    & skf18("8","9","8","1","5","4","1") = "8"
    & skf18("8","9","8","1","5","5","1") = "8"
    & skf18("8","9","8","1","5","6","1") = "8"
    & skf18("8","9","8","1","5","7","1") = "8"
    & skf18("8","9","8","1","5","8","1") = "8"
    & skf18("8","9","8","1","5","9","1") = "8"
    & skf18("8","9","8","1","5","10","1") = "9"
    & skf18("8","9","8","1","6","1","1") = "8"
    & skf18("8","9","8","1","6","2","1") = "8"
    & skf18("8","9","8","1","6","3","1") = "8"
    & skf18("8","9","8","1","6","4","1") = "8"
    & skf18("8","9","8","1","6","5","1") = "8"
    & skf18("8","9","8","1","6","6","1") = "8"
    & skf18("8","9","8","1","6","7","1") = "8"
    & skf18("8","9","8","1","6","8","1") = "8"
    & skf18("8","9","8","1","6","9","1") = "8"
    & skf18("8","9","8","1","6","10","1") = "9"
    & skf18("8","9","8","1","7","1","1") = "8"
    & skf18("8","9","8","1","7","2","1") = "8"
    & skf18("8","9","8","1","7","3","1") = "8"
    & skf18("8","9","8","1","7","4","1") = "8"
    & skf18("8","9","8","1","7","5","1") = "8"
    & skf18("8","9","8","1","7","6","1") = "8"
    & skf18("8","9","8","1","7","7","1") = "8"
    & skf18("8","9","8","1","7","8","1") = "8"
    & skf18("8","9","8","1","7","9","1") = "8"
    & skf18("8","9","8","1","7","10","1") = "9"
    & skf18("8","9","8","1","8","1","1") = "8"
    & skf18("8","9","8","1","8","2","1") = "8"
    & skf18("8","9","8","1","8","3","1") = "8"
    & skf18("8","9","8","1","8","4","1") = "8"
    & skf18("8","9","8","1","8","5","1") = "8"
    & skf18("8","9","8","1","8","6","1") = "8"
    & skf18("8","9","8","1","8","7","1") = "8"
    & skf18("8","9","8","1","8","8","1") = "8"
    & skf18("8","9","8","1","8","9","1") = "8"
    & skf18("8","9","8","1","8","10","1") = "9"
    & skf18("8","9","8","1","9","1","1") = "8"
    & skf18("8","9","8","1","9","2","1") = "8"
    & skf18("8","9","8","1","9","3","1") = "8"
    & skf18("8","9","8","1","9","4","1") = "8"
    & skf18("8","9","8","1","9","5","1") = "8"
    & skf18("8","9","8","1","9","6","1") = "8"
    & skf18("8","9","8","1","9","7","1") = "8"
    & skf18("8","9","8","1","9","8","1") = "8"
    & skf18("8","9","8","1","9","9","1") = "8"
    & skf18("8","9","8","1","9","10","1") = "9"
    & skf18("8","9","8","1","10","1","1") = "9"
    & skf18("8","9","8","1","10","2","1") = "9"
    & skf18("8","9","8","1","10","3","1") = "9"
    & skf18("8","9","8","1","10","4","1") = "9"
    & skf18("8","9","8","1","10","5","1") = "9"
    & skf18("8","9","8","1","10","6","1") = "9"
    & skf18("8","9","8","1","10","7","1") = "9"
    & skf18("8","9","8","1","10","8","1") = "9"
    & skf18("8","9","8","1","10","9","1") = "9"
    & skf18("8","9","8","1","10","10","1") = "9"
    & skf18("8","9","8","2","1","1","1") = "8"
    & skf18("8","9","8","2","1","2","1") = "8"
    & skf18("8","9","8","2","1","3","1") = "8"
    & skf18("8","9","8","2","1","4","1") = "8"
    & skf18("8","9","8","2","1","5","1") = "8"
    & skf18("8","9","8","2","1","6","1") = "8"
    & skf18("8","9","8","2","1","7","1") = "8"
    & skf18("8","9","8","2","1","8","1") = "8"
    & skf18("8","9","8","2","1","9","1") = "8"
    & skf18("8","9","8","2","1","10","1") = "9"
    & skf18("8","9","8","2","2","1","1") = "8"
    & skf18("8","9","8","2","2","2","1") = "8"
    & skf18("8","9","8","2","2","3","1") = "8"
    & skf18("8","9","8","2","2","4","1") = "8"
    & skf18("8","9","8","2","2","5","1") = "8"
    & skf18("8","9","8","2","2","6","1") = "8"
    & skf18("8","9","8","2","2","7","1") = "8"
    & skf18("8","9","8","2","2","8","1") = "8"
    & skf18("8","9","8","2","2","9","1") = "8"
    & skf18("8","9","8","2","2","10","1") = "9"
    & skf18("8","9","8","2","3","1","1") = "8"
    & skf18("8","9","8","2","3","2","1") = "8"
    & skf18("8","9","8","2","3","3","1") = "8"
    & skf18("8","9","8","2","3","4","1") = "8"
    & skf18("8","9","8","2","3","5","1") = "8"
    & skf18("8","9","8","2","3","6","1") = "8"
    & skf18("8","9","8","2","3","7","1") = "8"
    & skf18("8","9","8","2","3","8","1") = "8"
    & skf18("8","9","8","2","3","9","1") = "8"
    & skf18("8","9","8","2","3","10","1") = "9"
    & skf18("8","9","8","2","4","1","1") = "8"
    & skf18("8","9","8","2","4","2","1") = "8"
    & skf18("8","9","8","2","4","3","1") = "8"
    & skf18("8","9","8","2","4","4","1") = "8"
    & skf18("8","9","8","2","4","5","1") = "8"
    & skf18("8","9","8","2","4","6","1") = "8"
    & skf18("8","9","8","2","4","7","1") = "8"
    & skf18("8","9","8","2","4","8","1") = "8"
    & skf18("8","9","8","2","4","9","1") = "8"
    & skf18("8","9","8","2","4","10","1") = "9"
    & skf18("8","9","8","2","5","1","1") = "8"
    & skf18("8","9","8","2","5","2","1") = "8"
    & skf18("8","9","8","2","5","3","1") = "8"
    & skf18("8","9","8","2","5","4","1") = "8"
    & skf18("8","9","8","2","5","5","1") = "8"
    & skf18("8","9","8","2","5","6","1") = "8"
    & skf18("8","9","8","2","5","7","1") = "8"
    & skf18("8","9","8","2","5","8","1") = "8"
    & skf18("8","9","8","2","5","9","1") = "8"
    & skf18("8","9","8","2","5","10","1") = "9"
    & skf18("8","9","8","2","6","1","1") = "8"
    & skf18("8","9","8","2","6","2","1") = "8"
    & skf18("8","9","8","2","6","3","1") = "8"
    & skf18("8","9","8","2","6","4","1") = "8"
    & skf18("8","9","8","2","6","5","1") = "8"
    & skf18("8","9","8","2","6","6","1") = "8"
    & skf18("8","9","8","2","6","7","1") = "8"
    & skf18("8","9","8","2","6","8","1") = "8"
    & skf18("8","9","8","2","6","9","1") = "8"
    & skf18("8","9","8","2","6","10","1") = "9"
    & skf18("8","9","8","2","7","1","1") = "8"
    & skf18("8","9","8","2","7","2","1") = "8"
    & skf18("8","9","8","2","7","3","1") = "8"
    & skf18("8","9","8","2","7","4","1") = "8"
    & skf18("8","9","8","2","7","5","1") = "8"
    & skf18("8","9","8","2","7","6","1") = "8"
    & skf18("8","9","8","2","7","7","1") = "8"
    & skf18("8","9","8","2","7","8","1") = "8"
    & skf18("8","9","8","2","7","9","1") = "8"
    & skf18("8","9","8","2","7","10","1") = "9"
    & skf18("8","9","8","2","8","1","1") = "8"
    & skf18("8","9","8","2","8","2","1") = "8"
    & skf18("8","9","8","2","8","3","1") = "8"
    & skf18("8","9","8","2","8","4","1") = "8"
    & skf18("8","9","8","2","8","5","1") = "8"
    & skf18("8","9","8","2","8","6","1") = "8"
    & skf18("8","9","8","2","8","7","1") = "8"
    & skf18("8","9","8","2","8","8","1") = "8"
    & skf18("8","9","8","2","8","9","1") = "8"
    & skf18("8","9","8","2","8","10","1") = "9"
    & skf18("8","9","8","2","9","1","1") = "8"
    & skf18("8","9","8","2","9","2","1") = "8"
    & skf18("8","9","8","2","9","3","1") = "8"
    & skf18("8","9","8","2","9","4","1") = "8"
    & skf18("8","9","8","2","9","5","1") = "8"
    & skf18("8","9","8","2","9","6","1") = "8"
    & skf18("8","9","8","2","9","7","1") = "8"
    & skf18("8","9","8","2","9","8","1") = "8"
    & skf18("8","9","8","2","9","9","1") = "8"
    & skf18("8","9","8","2","9","10","1") = "9"
    & skf18("8","9","8","2","10","1","1") = "9"
    & skf18("8","9","8","2","10","2","1") = "9"
    & skf18("8","9","8","2","10","3","1") = "9"
    & skf18("8","9","8","2","10","4","1") = "9"
    & skf18("8","9","8","2","10","5","1") = "9"
    & skf18("8","9","8","2","10","6","1") = "9"
    & skf18("8","9","8","2","10","7","1") = "9"
    & skf18("8","9","8","2","10","8","1") = "9"
    & skf18("8","9","8","2","10","9","1") = "9"
    & skf18("8","9","8","2","10","10","1") = "9"
    & skf18("8","9","8","3","1","1","1") = "8"
    & skf18("8","9","8","3","1","2","1") = "8"
    & skf18("8","9","8","3","1","3","1") = "8"
    & skf18("8","9","8","3","1","4","1") = "8"
    & skf18("8","9","8","3","1","5","1") = "8"
    & skf18("8","9","8","3","1","6","1") = "8"
    & skf18("8","9","8","3","1","7","1") = "8"
    & skf18("8","9","8","3","1","8","1") = "8"
    & skf18("8","9","8","3","1","9","1") = "8"
    & skf18("8","9","8","3","1","10","1") = "9"
    & skf18("8","9","8","3","2","1","1") = "8"
    & skf18("8","9","8","3","2","2","1") = "8"
    & skf18("8","9","8","3","2","3","1") = "8"
    & skf18("8","9","8","3","2","4","1") = "8"
    & skf18("8","9","8","3","2","5","1") = "8"
    & skf18("8","9","8","3","2","6","1") = "8"
    & skf18("8","9","8","3","2","7","1") = "8"
    & skf18("8","9","8","3","2","8","1") = "8"
    & skf18("8","9","8","3","2","9","1") = "8"
    & skf18("8","9","8","3","2","10","1") = "9"
    & skf18("8","9","8","3","3","1","1") = "8"
    & skf18("8","9","8","3","3","2","1") = "8"
    & skf18("8","9","8","3","3","3","1") = "8"
    & skf18("8","9","8","3","3","4","1") = "8"
    & skf18("8","9","8","3","3","5","1") = "8"
    & skf18("8","9","8","3","3","6","1") = "8"
    & skf18("8","9","8","3","3","7","1") = "8"
    & skf18("8","9","8","3","3","8","1") = "8"
    & skf18("8","9","8","3","3","9","1") = "8"
    & skf18("8","9","8","3","3","10","1") = "9"
    & skf18("8","9","8","3","4","1","1") = "8"
    & skf18("8","9","8","3","4","2","1") = "8"
    & skf18("8","9","8","3","4","3","1") = "8"
    & skf18("8","9","8","3","4","4","1") = "8"
    & skf18("8","9","8","3","4","5","1") = "8"
    & skf18("8","9","8","3","4","6","1") = "8"
    & skf18("8","9","8","3","4","7","1") = "8"
    & skf18("8","9","8","3","4","8","1") = "8"
    & skf18("8","9","8","3","4","9","1") = "8"
    & skf18("8","9","8","3","4","10","1") = "9"
    & skf18("8","9","8","3","5","1","1") = "8"
    & skf18("8","9","8","3","5","2","1") = "8"
    & skf18("8","9","8","3","5","3","1") = "8"
    & skf18("8","9","8","3","5","4","1") = "8"
    & skf18("8","9","8","3","5","5","1") = "8"
    & skf18("8","9","8","3","5","6","1") = "8"
    & skf18("8","9","8","3","5","7","1") = "8"
    & skf18("8","9","8","3","5","8","1") = "8"
    & skf18("8","9","8","3","5","9","1") = "8"
    & skf18("8","9","8","3","5","10","1") = "9"
    & skf18("8","9","8","3","6","1","1") = "8"
    & skf18("8","9","8","3","6","2","1") = "8"
    & skf18("8","9","8","3","6","3","1") = "8"
    & skf18("8","9","8","3","6","4","1") = "8"
    & skf18("8","9","8","3","6","5","1") = "8"
    & skf18("8","9","8","3","6","6","1") = "8"
    & skf18("8","9","8","3","6","7","1") = "8"
    & skf18("8","9","8","3","6","8","1") = "8"
    & skf18("8","9","8","3","6","9","1") = "8"
    & skf18("8","9","8","3","6","10","1") = "9"
    & skf18("8","9","8","3","7","1","1") = "8"
    & skf18("8","9","8","3","7","2","1") = "8"
    & skf18("8","9","8","3","7","3","1") = "8"
    & skf18("8","9","8","3","7","4","1") = "8"
    & skf18("8","9","8","3","7","5","1") = "8"
    & skf18("8","9","8","3","7","6","1") = "8"
    & skf18("8","9","8","3","7","7","1") = "8"
    & skf18("8","9","8","3","7","8","1") = "8"
    & skf18("8","9","8","3","7","9","1") = "8"
    & skf18("8","9","8","3","7","10","1") = "9"
    & skf18("8","9","8","3","8","1","1") = "8"
    & skf18("8","9","8","3","8","2","1") = "8"
    & skf18("8","9","8","3","8","3","1") = "8"
    & skf18("8","9","8","3","8","4","1") = "8"
    & skf18("8","9","8","3","8","5","1") = "8"
    & skf18("8","9","8","3","8","6","1") = "8"
    & skf18("8","9","8","3","8","7","1") = "8"
    & skf18("8","9","8","3","8","8","1") = "8"
    & skf18("8","9","8","3","8","9","1") = "8"
    & skf18("8","9","8","3","8","10","1") = "9"
    & skf18("8","9","8","3","9","1","1") = "8"
    & skf18("8","9","8","3","9","2","1") = "8"
    & skf18("8","9","8","3","9","3","1") = "8"
    & skf18("8","9","8","3","9","4","1") = "8"
    & skf18("8","9","8","3","9","5","1") = "8"
    & skf18("8","9","8","3","9","6","1") = "8"
    & skf18("8","9","8","3","9","7","1") = "8"
    & skf18("8","9","8","3","9","8","1") = "8"
    & skf18("8","9","8","3","9","9","1") = "8"
    & skf18("8","9","8","3","9","10","1") = "9"
    & skf18("8","9","8","3","10","1","1") = "9"
    & skf18("8","9","8","3","10","2","1") = "9"
    & skf18("8","9","8","3","10","3","1") = "9"
    & skf18("8","9","8","3","10","4","1") = "9"
    & skf18("8","9","8","3","10","5","1") = "9"
    & skf18("8","9","8","3","10","6","1") = "9"
    & skf18("8","9","8","3","10","7","1") = "9"
    & skf18("8","9","8","3","10","8","1") = "9"
    & skf18("8","9","8","3","10","9","1") = "9"
    & skf18("8","9","8","3","10","10","1") = "9"
    & skf18("8","9","8","4","1","1","1") = "8"
    & skf18("8","9","8","4","1","2","1") = "8"
    & skf18("8","9","8","4","1","3","1") = "8"
    & skf18("8","9","8","4","1","4","1") = "8"
    & skf18("8","9","8","4","1","5","1") = "8"
    & skf18("8","9","8","4","1","6","1") = "8"
    & skf18("8","9","8","4","1","7","1") = "8"
    & skf18("8","9","8","4","1","8","1") = "8"
    & skf18("8","9","8","4","1","9","1") = "8"
    & skf18("8","9","8","4","1","10","1") = "9"
    & skf18("8","9","8","4","2","1","1") = "8"
    & skf18("8","9","8","4","2","2","1") = "8"
    & skf18("8","9","8","4","2","3","1") = "8"
    & skf18("8","9","8","4","2","4","1") = "8"
    & skf18("8","9","8","4","2","5","1") = "8"
    & skf18("8","9","8","4","2","6","1") = "8"
    & skf18("8","9","8","4","2","7","1") = "8"
    & skf18("8","9","8","4","2","8","1") = "8"
    & skf18("8","9","8","4","2","9","1") = "8"
    & skf18("8","9","8","4","2","10","1") = "9"
    & skf18("8","9","8","4","3","1","1") = "8"
    & skf18("8","9","8","4","3","2","1") = "8"
    & skf18("8","9","8","4","3","3","1") = "8"
    & skf18("8","9","8","4","3","4","1") = "8"
    & skf18("8","9","8","4","3","5","1") = "8"
    & skf18("8","9","8","4","3","6","1") = "8"
    & skf18("8","9","8","4","3","7","1") = "8"
    & skf18("8","9","8","4","3","8","1") = "8"
    & skf18("8","9","8","4","3","9","1") = "8"
    & skf18("8","9","8","4","3","10","1") = "9"
    & skf18("8","9","8","4","4","1","1") = "8"
    & skf18("8","9","8","4","4","2","1") = "8"
    & skf18("8","9","8","4","4","3","1") = "8"
    & skf18("8","9","8","4","4","4","1") = "8"
    & skf18("8","9","8","4","4","5","1") = "8"
    & skf18("8","9","8","4","4","6","1") = "8"
    & skf18("8","9","8","4","4","7","1") = "8"
    & skf18("8","9","8","4","4","8","1") = "8"
    & skf18("8","9","8","4","4","9","1") = "8"
    & skf18("8","9","8","4","4","10","1") = "9"
    & skf18("8","9","8","4","5","1","1") = "8"
    & skf18("8","9","8","4","5","2","1") = "8"
    & skf18("8","9","8","4","5","3","1") = "8"
    & skf18("8","9","8","4","5","4","1") = "8"
    & skf18("8","9","8","4","5","5","1") = "8"
    & skf18("8","9","8","4","5","6","1") = "8"
    & skf18("8","9","8","4","5","7","1") = "8"
    & skf18("8","9","8","4","5","8","1") = "8"
    & skf18("8","9","8","4","5","9","1") = "8"
    & skf18("8","9","8","4","5","10","1") = "9"
    & skf18("8","9","8","4","6","1","1") = "8"
    & skf18("8","9","8","4","6","2","1") = "8"
    & skf18("8","9","8","4","6","3","1") = "8"
    & skf18("8","9","8","4","6","4","1") = "8"
    & skf18("8","9","8","4","6","5","1") = "8"
    & skf18("8","9","8","4","6","6","1") = "8"
    & skf18("8","9","8","4","6","7","1") = "8"
    & skf18("8","9","8","4","6","8","1") = "8"
    & skf18("8","9","8","4","6","9","1") = "8"
    & skf18("8","9","8","4","6","10","1") = "9"
    & skf18("8","9","8","4","7","1","1") = "8"
    & skf18("8","9","8","4","7","2","1") = "8"
    & skf18("8","9","8","4","7","3","1") = "8"
    & skf18("8","9","8","4","7","4","1") = "8"
    & skf18("8","9","8","4","7","5","1") = "8"
    & skf18("8","9","8","4","7","6","1") = "8"
    & skf18("8","9","8","4","7","7","1") = "8"
    & skf18("8","9","8","4","7","8","1") = "8"
    & skf18("8","9","8","4","7","9","1") = "8"
    & skf18("8","9","8","4","7","10","1") = "9"
    & skf18("8","9","8","4","8","1","1") = "8"
    & skf18("8","9","8","4","8","2","1") = "8"
    & skf18("8","9","8","4","8","3","1") = "8"
    & skf18("8","9","8","4","8","4","1") = "8"
    & skf18("8","9","8","4","8","5","1") = "8"
    & skf18("8","9","8","4","8","6","1") = "8"
    & skf18("8","9","8","4","8","7","1") = "8"
    & skf18("8","9","8","4","8","8","1") = "8"
    & skf18("8","9","8","4","8","9","1") = "8"
    & skf18("8","9","8","4","8","10","1") = "9"
    & skf18("8","9","8","4","9","1","1") = "8"
    & skf18("8","9","8","4","9","2","1") = "8"
    & skf18("8","9","8","4","9","3","1") = "8"
    & skf18("8","9","8","4","9","4","1") = "8"
    & skf18("8","9","8","4","9","5","1") = "8"
    & skf18("8","9","8","4","9","6","1") = "8"
    & skf18("8","9","8","4","9","7","1") = "8"
    & skf18("8","9","8","4","9","8","1") = "8"
    & skf18("8","9","8","4","9","9","1") = "8"
    & skf18("8","9","8","4","9","10","1") = "9"
    & skf18("8","9","8","4","10","1","1") = "9"
    & skf18("8","9","8","4","10","2","1") = "9"
    & skf18("8","9","8","4","10","3","1") = "9"
    & skf18("8","9","8","4","10","4","1") = "9"
    & skf18("8","9","8","4","10","5","1") = "9"
    & skf18("8","9","8","4","10","6","1") = "9"
    & skf18("8","9","8","4","10","7","1") = "9"
    & skf18("8","9","8","4","10","8","1") = "9"
    & skf18("8","9","8","4","10","9","1") = "9"
    & skf18("8","9","8","4","10","10","1") = "9"
    & skf18("8","9","8","5","1","1","1") = "8"
    & skf18("8","9","8","5","1","2","1") = "8"
    & skf18("8","9","8","5","1","3","1") = "8"
    & skf18("8","9","8","5","1","4","1") = "8"
    & skf18("8","9","8","5","1","5","1") = "8"
    & skf18("8","9","8","5","1","6","1") = "8"
    & skf18("8","9","8","5","1","7","1") = "8"
    & skf18("8","9","8","5","1","8","1") = "8"
    & skf18("8","9","8","5","1","9","1") = "8"
    & skf18("8","9","8","5","1","10","1") = "9"
    & skf18("8","9","8","5","2","1","1") = "8"
    & skf18("8","9","8","5","2","2","1") = "8"
    & skf18("8","9","8","5","2","3","1") = "8"
    & skf18("8","9","8","5","2","4","1") = "8"
    & skf18("8","9","8","5","2","5","1") = "8"
    & skf18("8","9","8","5","2","6","1") = "8"
    & skf18("8","9","8","5","2","7","1") = "8"
    & skf18("8","9","8","5","2","8","1") = "8"
    & skf18("8","9","8","5","2","9","1") = "8"
    & skf18("8","9","8","5","2","10","1") = "9"
    & skf18("8","9","8","5","3","1","1") = "8"
    & skf18("8","9","8","5","3","2","1") = "8"
    & skf18("8","9","8","5","3","3","1") = "8"
    & skf18("8","9","8","5","3","4","1") = "8"
    & skf18("8","9","8","5","3","5","1") = "8"
    & skf18("8","9","8","5","3","6","1") = "8"
    & skf18("8","9","8","5","3","7","1") = "8"
    & skf18("8","9","8","5","3","8","1") = "8"
    & skf18("8","9","8","5","3","9","1") = "8"
    & skf18("8","9","8","5","3","10","1") = "9"
    & skf18("8","9","8","5","4","1","1") = "8"
    & skf18("8","9","8","5","4","2","1") = "8"
    & skf18("8","9","8","5","4","3","1") = "8"
    & skf18("8","9","8","5","4","4","1") = "8"
    & skf18("8","9","8","5","4","5","1") = "8"
    & skf18("8","9","8","5","4","6","1") = "8"
    & skf18("8","9","8","5","4","7","1") = "8"
    & skf18("8","9","8","5","4","8","1") = "8"
    & skf18("8","9","8","5","4","9","1") = "8"
    & skf18("8","9","8","5","4","10","1") = "9"
    & skf18("8","9","8","5","5","1","1") = "8"
    & skf18("8","9","8","5","5","2","1") = "8"
    & skf18("8","9","8","5","5","3","1") = "8"
    & skf18("8","9","8","5","5","4","1") = "8"
    & skf18("8","9","8","5","5","5","1") = "8"
    & skf18("8","9","8","5","5","6","1") = "8"
    & skf18("8","9","8","5","5","7","1") = "8"
    & skf18("8","9","8","5","5","8","1") = "8"
    & skf18("8","9","8","5","5","9","1") = "8"
    & skf18("8","9","8","5","5","10","1") = "9"
    & skf18("8","9","8","5","6","1","1") = "8"
    & skf18("8","9","8","5","6","2","1") = "8"
    & skf18("8","9","8","5","6","3","1") = "8"
    & skf18("8","9","8","5","6","4","1") = "8"
    & skf18("8","9","8","5","6","5","1") = "8"
    & skf18("8","9","8","5","6","6","1") = "8"
    & skf18("8","9","8","5","6","7","1") = "8"
    & skf18("8","9","8","5","6","8","1") = "8"
    & skf18("8","9","8","5","6","9","1") = "8"
    & skf18("8","9","8","5","6","10","1") = "9"
    & skf18("8","9","8","5","7","1","1") = "8"
    & skf18("8","9","8","5","7","2","1") = "8"
    & skf18("8","9","8","5","7","3","1") = "8"
    & skf18("8","9","8","5","7","4","1") = "8"
    & skf18("8","9","8","5","7","5","1") = "8"
    & skf18("8","9","8","5","7","6","1") = "8"
    & skf18("8","9","8","5","7","7","1") = "8"
    & skf18("8","9","8","5","7","8","1") = "8"
    & skf18("8","9","8","5","7","9","1") = "8"
    & skf18("8","9","8","5","7","10","1") = "9"
    & skf18("8","9","8","5","8","1","1") = "8"
    & skf18("8","9","8","5","8","2","1") = "8"
    & skf18("8","9","8","5","8","3","1") = "8"
    & skf18("8","9","8","5","8","4","1") = "8"
    & skf18("8","9","8","5","8","5","1") = "8"
    & skf18("8","9","8","5","8","6","1") = "8"
    & skf18("8","9","8","5","8","7","1") = "8"
    & skf18("8","9","8","5","8","8","1") = "8"
    & skf18("8","9","8","5","8","9","1") = "8"
    & skf18("8","9","8","5","8","10","1") = "9"
    & skf18("8","9","8","5","9","1","1") = "8"
    & skf18("8","9","8","5","9","2","1") = "8"
    & skf18("8","9","8","5","9","3","1") = "8"
    & skf18("8","9","8","5","9","4","1") = "8"
    & skf18("8","9","8","5","9","5","1") = "8"
    & skf18("8","9","8","5","9","6","1") = "8"
    & skf18("8","9","8","5","9","7","1") = "8"
    & skf18("8","9","8","5","9","8","1") = "8"
    & skf18("8","9","8","5","9","9","1") = "8"
    & skf18("8","9","8","5","9","10","1") = "9"
    & skf18("8","9","8","5","10","1","1") = "9"
    & skf18("8","9","8","5","10","2","1") = "9"
    & skf18("8","9","8","5","10","3","1") = "9"
    & skf18("8","9","8","5","10","4","1") = "9"
    & skf18("8","9","8","5","10","5","1") = "9"
    & skf18("8","9","8","5","10","6","1") = "9"
    & skf18("8","9","8","5","10","7","1") = "9"
    & skf18("8","9","8","5","10","8","1") = "9"
    & skf18("8","9","8","5","10","9","1") = "9"
    & skf18("8","9","8","5","10","10","1") = "9"
    & skf18("8","9","8","6","1","1","1") = "8"
    & skf18("8","9","8","6","1","2","1") = "8"
    & skf18("8","9","8","6","1","3","1") = "8"
    & skf18("8","9","8","6","1","4","1") = "8"
    & skf18("8","9","8","6","1","5","1") = "8"
    & skf18("8","9","8","6","1","6","1") = "8"
    & skf18("8","9","8","6","1","7","1") = "8"
    & skf18("8","9","8","6","1","8","1") = "8"
    & skf18("8","9","8","6","1","9","1") = "8"
    & skf18("8","9","8","6","1","10","1") = "9"
    & skf18("8","9","8","6","2","1","1") = "8"
    & skf18("8","9","8","6","2","2","1") = "8"
    & skf18("8","9","8","6","2","3","1") = "8"
    & skf18("8","9","8","6","2","4","1") = "8"
    & skf18("8","9","8","6","2","5","1") = "8"
    & skf18("8","9","8","6","2","6","1") = "8"
    & skf18("8","9","8","6","2","7","1") = "8"
    & skf18("8","9","8","6","2","8","1") = "8"
    & skf18("8","9","8","6","2","9","1") = "8"
    & skf18("8","9","8","6","2","10","1") = "9"
    & skf18("8","9","8","6","3","1","1") = "8"
    & skf18("8","9","8","6","3","2","1") = "8"
    & skf18("8","9","8","6","3","3","1") = "8"
    & skf18("8","9","8","6","3","4","1") = "8"
    & skf18("8","9","8","6","3","5","1") = "8"
    & skf18("8","9","8","6","3","6","1") = "8"
    & skf18("8","9","8","6","3","7","1") = "8"
    & skf18("8","9","8","6","3","8","1") = "8"
    & skf18("8","9","8","6","3","9","1") = "8"
    & skf18("8","9","8","6","3","10","1") = "9"
    & skf18("8","9","8","6","4","1","1") = "8"
    & skf18("8","9","8","6","4","2","1") = "8"
    & skf18("8","9","8","6","4","3","1") = "8"
    & skf18("8","9","8","6","4","4","1") = "8"
    & skf18("8","9","8","6","4","5","1") = "8"
    & skf18("8","9","8","6","4","6","1") = "8"
    & skf18("8","9","8","6","4","7","1") = "8"
    & skf18("8","9","8","6","4","8","1") = "8"
    & skf18("8","9","8","6","4","9","1") = "8"
    & skf18("8","9","8","6","4","10","1") = "9"
    & skf18("8","9","8","6","5","1","1") = "8"
    & skf18("8","9","8","6","5","2","1") = "8"
    & skf18("8","9","8","6","5","3","1") = "8"
    & skf18("8","9","8","6","5","4","1") = "8"
    & skf18("8","9","8","6","5","5","1") = "8"
    & skf18("8","9","8","6","5","6","1") = "8"
    & skf18("8","9","8","6","5","7","1") = "8"
    & skf18("8","9","8","6","5","8","1") = "8"
    & skf18("8","9","8","6","5","9","1") = "8"
    & skf18("8","9","8","6","5","10","1") = "9"
    & skf18("8","9","8","6","6","1","1") = "8"
    & skf18("8","9","8","6","6","2","1") = "8"
    & skf18("8","9","8","6","6","3","1") = "8"
    & skf18("8","9","8","6","6","4","1") = "8"
    & skf18("8","9","8","6","6","5","1") = "8"
    & skf18("8","9","8","6","6","6","1") = "8"
    & skf18("8","9","8","6","6","7","1") = "8"
    & skf18("8","9","8","6","6","8","1") = "8"
    & skf18("8","9","8","6","6","9","1") = "8"
    & skf18("8","9","8","6","6","10","1") = "9"
    & skf18("8","9","8","6","7","1","1") = "8"
    & skf18("8","9","8","6","7","2","1") = "8"
    & skf18("8","9","8","6","7","3","1") = "8"
    & skf18("8","9","8","6","7","4","1") = "8"
    & skf18("8","9","8","6","7","5","1") = "8"
    & skf18("8","9","8","6","7","6","1") = "8"
    & skf18("8","9","8","6","7","7","1") = "8"
    & skf18("8","9","8","6","7","8","1") = "8"
    & skf18("8","9","8","6","7","9","1") = "8"
    & skf18("8","9","8","6","7","10","1") = "9"
    & skf18("8","9","8","6","8","1","1") = "8"
    & skf18("8","9","8","6","8","2","1") = "8"
    & skf18("8","9","8","6","8","3","1") = "8"
    & skf18("8","9","8","6","8","4","1") = "8"
    & skf18("8","9","8","6","8","5","1") = "8"
    & skf18("8","9","8","6","8","6","1") = "8"
    & skf18("8","9","8","6","8","7","1") = "8"
    & skf18("8","9","8","6","8","8","1") = "8"
    & skf18("8","9","8","6","8","9","1") = "8"
    & skf18("8","9","8","6","8","10","1") = "9"
    & skf18("8","9","8","6","9","1","1") = "8"
    & skf18("8","9","8","6","9","2","1") = "8"
    & skf18("8","9","8","6","9","3","1") = "8"
    & skf18("8","9","8","6","9","4","1") = "8"
    & skf18("8","9","8","6","9","5","1") = "8"
    & skf18("8","9","8","6","9","6","1") = "8"
    & skf18("8","9","8","6","9","7","1") = "8"
    & skf18("8","9","8","6","9","8","1") = "8"
    & skf18("8","9","8","6","9","9","1") = "8"
    & skf18("8","9","8","6","9","10","1") = "9"
    & skf18("8","9","8","6","10","1","1") = "9"
    & skf18("8","9","8","6","10","2","1") = "9"
    & skf18("8","9","8","6","10","3","1") = "9"
    & skf18("8","9","8","6","10","4","1") = "9"
    & skf18("8","9","8","6","10","5","1") = "9"
    & skf18("8","9","8","6","10","6","1") = "9"
    & skf18("8","9","8","6","10","7","1") = "9"
    & skf18("8","9","8","6","10","8","1") = "9"
    & skf18("8","9","8","6","10","9","1") = "9"
    & skf18("8","9","8","6","10","10","1") = "9"
    & skf18("8","9","8","7","1","1","1") = "8"
    & skf18("8","9","8","7","1","2","1") = "8"
    & skf18("8","9","8","7","1","3","1") = "8"
    & skf18("8","9","8","7","1","4","1") = "8"
    & skf18("8","9","8","7","1","5","1") = "8"
    & skf18("8","9","8","7","1","6","1") = "8"
    & skf18("8","9","8","7","1","7","1") = "8"
    & skf18("8","9","8","7","1","8","1") = "8"
    & skf18("8","9","8","7","1","9","1") = "8"
    & skf18("8","9","8","7","1","10","1") = "9"
    & skf18("8","9","8","7","2","1","1") = "8"
    & skf18("8","9","8","7","2","2","1") = "8"
    & skf18("8","9","8","7","2","3","1") = "8"
    & skf18("8","9","8","7","2","4","1") = "8"
    & skf18("8","9","8","7","2","5","1") = "8"
    & skf18("8","9","8","7","2","6","1") = "8"
    & skf18("8","9","8","7","2","7","1") = "8"
    & skf18("8","9","8","7","2","8","1") = "8"
    & skf18("8","9","8","7","2","9","1") = "8"
    & skf18("8","9","8","7","2","10","1") = "9"
    & skf18("8","9","8","7","3","1","1") = "8"
    & skf18("8","9","8","7","3","2","1") = "8"
    & skf18("8","9","8","7","3","3","1") = "8"
    & skf18("8","9","8","7","3","4","1") = "8"
    & skf18("8","9","8","7","3","5","1") = "8"
    & skf18("8","9","8","7","3","6","1") = "8"
    & skf18("8","9","8","7","3","7","1") = "8"
    & skf18("8","9","8","7","3","8","1") = "8"
    & skf18("8","9","8","7","3","9","1") = "8"
    & skf18("8","9","8","7","3","10","1") = "9"
    & skf18("8","9","8","7","4","1","1") = "8"
    & skf18("8","9","8","7","4","2","1") = "8"
    & skf18("8","9","8","7","4","3","1") = "8"
    & skf18("8","9","8","7","4","4","1") = "8"
    & skf18("8","9","8","7","4","5","1") = "8"
    & skf18("8","9","8","7","4","6","1") = "8"
    & skf18("8","9","8","7","4","7","1") = "8"
    & skf18("8","9","8","7","4","8","1") = "8"
    & skf18("8","9","8","7","4","9","1") = "8"
    & skf18("8","9","8","7","4","10","1") = "9"
    & skf18("8","9","8","7","5","1","1") = "8"
    & skf18("8","9","8","7","5","2","1") = "8"
    & skf18("8","9","8","7","5","3","1") = "8"
    & skf18("8","9","8","7","5","4","1") = "8"
    & skf18("8","9","8","7","5","5","1") = "8"
    & skf18("8","9","8","7","5","6","1") = "8"
    & skf18("8","9","8","7","5","7","1") = "8"
    & skf18("8","9","8","7","5","8","1") = "8"
    & skf18("8","9","8","7","5","9","1") = "8"
    & skf18("8","9","8","7","5","10","1") = "9"
    & skf18("8","9","8","7","6","1","1") = "8"
    & skf18("8","9","8","7","6","2","1") = "8"
    & skf18("8","9","8","7","6","3","1") = "8"
    & skf18("8","9","8","7","6","4","1") = "8"
    & skf18("8","9","8","7","6","5","1") = "8"
    & skf18("8","9","8","7","6","6","1") = "8"
    & skf18("8","9","8","7","6","7","1") = "8"
    & skf18("8","9","8","7","6","8","1") = "8"
    & skf18("8","9","8","7","6","9","1") = "8"
    & skf18("8","9","8","7","6","10","1") = "9"
    & skf18("8","9","8","7","7","1","1") = "8"
    & skf18("8","9","8","7","7","2","1") = "8"
    & skf18("8","9","8","7","7","3","1") = "8"
    & skf18("8","9","8","7","7","4","1") = "8"
    & skf18("8","9","8","7","7","5","1") = "8"
    & skf18("8","9","8","7","7","6","1") = "8"
    & skf18("8","9","8","7","7","7","1") = "8"
    & skf18("8","9","8","7","7","8","1") = "8"
    & skf18("8","9","8","7","7","9","1") = "8"
    & skf18("8","9","8","7","7","10","1") = "9"
    & skf18("8","9","8","7","8","1","1") = "8"
    & skf18("8","9","8","7","8","2","1") = "8"
    & skf18("8","9","8","7","8","3","1") = "8"
    & skf18("8","9","8","7","8","4","1") = "8"
    & skf18("8","9","8","7","8","5","1") = "8"
    & skf18("8","9","8","7","8","6","1") = "8"
    & skf18("8","9","8","7","8","7","1") = "8"
    & skf18("8","9","8","7","8","8","1") = "8"
    & skf18("8","9","8","7","8","9","1") = "8"
    & skf18("8","9","8","7","8","10","1") = "9"
    & skf18("8","9","8","7","9","1","1") = "8"
    & skf18("8","9","8","7","9","2","1") = "8"
    & skf18("8","9","8","7","9","3","1") = "8"
    & skf18("8","9","8","7","9","4","1") = "8"
    & skf18("8","9","8","7","9","5","1") = "8"
    & skf18("8","9","8","7","9","6","1") = "8"
    & skf18("8","9","8","7","9","7","1") = "8"
    & skf18("8","9","8","7","9","8","1") = "8"
    & skf18("8","9","8","7","9","9","1") = "8"
    & skf18("8","9","8","7","9","10","1") = "9"
    & skf18("8","9","8","7","10","1","1") = "9"
    & skf18("8","9","8","7","10","2","1") = "9"
    & skf18("8","9","8","7","10","3","1") = "9"
    & skf18("8","9","8","7","10","4","1") = "9"
    & skf18("8","9","8","7","10","5","1") = "9"
    & skf18("8","9","8","7","10","6","1") = "9"
    & skf18("8","9","8","7","10","7","1") = "9"
    & skf18("8","9","8","7","10","8","1") = "9"
    & skf18("8","9","8","7","10","9","1") = "9"
    & skf18("8","9","8","7","10","10","1") = "9"
    & skf18("8","9","8","8","1","1","1") = "8"
    & skf18("8","9","8","8","1","2","1") = "8"
    & skf18("8","9","8","8","1","3","1") = "8"
    & skf18("8","9","8","8","1","4","1") = "8"
    & skf18("8","9","8","8","1","5","1") = "8"
    & skf18("8","9","8","8","1","6","1") = "8"
    & skf18("8","9","8","8","1","7","1") = "8"
    & skf18("8","9","8","8","1","8","1") = "8"
    & skf18("8","9","8","8","1","9","1") = "8"
    & skf18("8","9","8","8","1","10","1") = "9"
    & skf18("8","9","8","8","2","1","1") = "8"
    & skf18("8","9","8","8","2","2","1") = "8"
    & skf18("8","9","8","8","2","3","1") = "8"
    & skf18("8","9","8","8","2","4","1") = "8"
    & skf18("8","9","8","8","2","5","1") = "8"
    & skf18("8","9","8","8","2","6","1") = "8"
    & skf18("8","9","8","8","2","7","1") = "8"
    & skf18("8","9","8","8","2","8","1") = "8"
    & skf18("8","9","8","8","2","9","1") = "8"
    & skf18("8","9","8","8","2","10","1") = "9"
    & skf18("8","9","8","8","3","1","1") = "8"
    & skf18("8","9","8","8","3","2","1") = "8"
    & skf18("8","9","8","8","3","3","1") = "8"
    & skf18("8","9","8","8","3","4","1") = "8"
    & skf18("8","9","8","8","3","5","1") = "8"
    & skf18("8","9","8","8","3","6","1") = "8"
    & skf18("8","9","8","8","3","7","1") = "8"
    & skf18("8","9","8","8","3","8","1") = "8"
    & skf18("8","9","8","8","3","9","1") = "8"
    & skf18("8","9","8","8","3","10","1") = "9"
    & skf18("8","9","8","8","4","1","1") = "8"
    & skf18("8","9","8","8","4","2","1") = "8"
    & skf18("8","9","8","8","4","3","1") = "8"
    & skf18("8","9","8","8","4","4","1") = "8"
    & skf18("8","9","8","8","4","5","1") = "8"
    & skf18("8","9","8","8","4","6","1") = "8"
    & skf18("8","9","8","8","4","7","1") = "8"
    & skf18("8","9","8","8","4","8","1") = "8"
    & skf18("8","9","8","8","4","9","1") = "8"
    & skf18("8","9","8","8","4","10","1") = "9"
    & skf18("8","9","8","8","5","1","1") = "8"
    & skf18("8","9","8","8","5","2","1") = "8"
    & skf18("8","9","8","8","5","3","1") = "8"
    & skf18("8","9","8","8","5","4","1") = "8"
    & skf18("8","9","8","8","5","5","1") = "8"
    & skf18("8","9","8","8","5","6","1") = "8"
    & skf18("8","9","8","8","5","7","1") = "8"
    & skf18("8","9","8","8","5","8","1") = "8"
    & skf18("8","9","8","8","5","9","1") = "8"
    & skf18("8","9","8","8","5","10","1") = "9"
    & skf18("8","9","8","8","6","1","1") = "8"
    & skf18("8","9","8","8","6","2","1") = "8"
    & skf18("8","9","8","8","6","3","1") = "8"
    & skf18("8","9","8","8","6","4","1") = "8"
    & skf18("8","9","8","8","6","5","1") = "8"
    & skf18("8","9","8","8","6","6","1") = "8"
    & skf18("8","9","8","8","6","7","1") = "8"
    & skf18("8","9","8","8","6","8","1") = "8"
    & skf18("8","9","8","8","6","9","1") = "8"
    & skf18("8","9","8","8","6","10","1") = "9"
    & skf18("8","9","8","8","7","1","1") = "8"
    & skf18("8","9","8","8","7","2","1") = "8"
    & skf18("8","9","8","8","7","3","1") = "8"
    & skf18("8","9","8","8","7","4","1") = "8"
    & skf18("8","9","8","8","7","5","1") = "8"
    & skf18("8","9","8","8","7","6","1") = "8"
    & skf18("8","9","8","8","7","7","1") = "8"
    & skf18("8","9","8","8","7","8","1") = "8"
    & skf18("8","9","8","8","7","9","1") = "8"
    & skf18("8","9","8","8","7","10","1") = "9"
    & skf18("8","9","8","8","8","1","1") = "8"
    & skf18("8","9","8","8","8","2","1") = "8"
    & skf18("8","9","8","8","8","3","1") = "8"
    & skf18("8","9","8","8","8","4","1") = "8"
    & skf18("8","9","8","8","8","5","1") = "8"
    & skf18("8","9","8","8","8","6","1") = "8"
    & skf18("8","9","8","8","8","7","1") = "8"
    & skf18("8","9","8","8","8","8","1") = "8"
    & skf18("8","9","8","8","8","9","1") = "8"
    & skf18("8","9","8","8","8","10","1") = "9"
    & skf18("8","9","8","8","9","1","1") = "8"
    & skf18("8","9","8","8","9","2","1") = "8"
    & skf18("8","9","8","8","9","3","1") = "8"
    & skf18("8","9","8","8","9","4","1") = "8"
    & skf18("8","9","8","8","9","5","1") = "8"
    & skf18("8","9","8","8","9","6","1") = "8"
    & skf18("8","9","8","8","9","7","1") = "8"
    & skf18("8","9","8","8","9","8","1") = "8"
    & skf18("8","9","8","8","9","9","1") = "8"
    & skf18("8","9","8","8","9","10","1") = "9"
    & skf18("8","9","8","8","10","1","1") = "9"
    & skf18("8","9","8","8","10","2","1") = "9"
    & skf18("8","9","8","8","10","3","1") = "9"
    & skf18("8","9","8","8","10","4","1") = "9"
    & skf18("8","9","8","8","10","5","1") = "9"
    & skf18("8","9","8","8","10","6","1") = "9"
    & skf18("8","9","8","8","10","7","1") = "9"
    & skf18("8","9","8","8","10","8","1") = "9"
    & skf18("8","9","8","8","10","9","1") = "9"
    & skf18("8","9","8","8","10","10","1") = "9"
    & skf18("8","9","8","9","1","1","1") = "8"
    & skf18("8","9","8","9","1","2","1") = "8"
    & skf18("8","9","8","9","1","3","1") = "8"
    & skf18("8","9","8","9","1","4","1") = "8"
    & skf18("8","9","8","9","1","5","1") = "8"
    & skf18("8","9","8","9","1","6","1") = "8"
    & skf18("8","9","8","9","1","7","1") = "8"
    & skf18("8","9","8","9","1","8","1") = "8"
    & skf18("8","9","8","9","1","9","1") = "8"
    & skf18("8","9","8","9","1","10","1") = "9"
    & skf18("8","9","8","9","2","1","1") = "8"
    & skf18("8","9","8","9","2","2","1") = "8"
    & skf18("8","9","8","9","2","3","1") = "8"
    & skf18("8","9","8","9","2","4","1") = "8"
    & skf18("8","9","8","9","2","5","1") = "8"
    & skf18("8","9","8","9","2","6","1") = "8"
    & skf18("8","9","8","9","2","7","1") = "8"
    & skf18("8","9","8","9","2","8","1") = "8"
    & skf18("8","9","8","9","2","9","1") = "8"
    & skf18("8","9","8","9","2","10","1") = "9"
    & skf18("8","9","8","9","3","1","1") = "8"
    & skf18("8","9","8","9","3","2","1") = "8"
    & skf18("8","9","8","9","3","3","1") = "8"
    & skf18("8","9","8","9","3","4","1") = "8"
    & skf18("8","9","8","9","3","5","1") = "8"
    & skf18("8","9","8","9","3","6","1") = "8"
    & skf18("8","9","8","9","3","7","1") = "8"
    & skf18("8","9","8","9","3","8","1") = "8"
    & skf18("8","9","8","9","3","9","1") = "8"
    & skf18("8","9","8","9","3","10","1") = "9"
    & skf18("8","9","8","9","4","1","1") = "8"
    & skf18("8","9","8","9","4","2","1") = "8"
    & skf18("8","9","8","9","4","3","1") = "8"
    & skf18("8","9","8","9","4","4","1") = "8"
    & skf18("8","9","8","9","4","5","1") = "8"
    & skf18("8","9","8","9","4","6","1") = "8"
    & skf18("8","9","8","9","4","7","1") = "8"
    & skf18("8","9","8","9","4","8","1") = "8"
    & skf18("8","9","8","9","4","9","1") = "8"
    & skf18("8","9","8","9","4","10","1") = "9"
    & skf18("8","9","8","9","5","1","1") = "8"
    & skf18("8","9","8","9","5","2","1") = "8"
    & skf18("8","9","8","9","5","3","1") = "8"
    & skf18("8","9","8","9","5","4","1") = "8"
    & skf18("8","9","8","9","5","5","1") = "8"
    & skf18("8","9","8","9","5","6","1") = "8"
    & skf18("8","9","8","9","5","7","1") = "8"
    & skf18("8","9","8","9","5","8","1") = "8"
    & skf18("8","9","8","9","5","9","1") = "8"
    & skf18("8","9","8","9","5","10","1") = "9"
    & skf18("8","9","8","9","6","1","1") = "8"
    & skf18("8","9","8","9","6","2","1") = "8"
    & skf18("8","9","8","9","6","3","1") = "8"
    & skf18("8","9","8","9","6","4","1") = "8"
    & skf18("8","9","8","9","6","5","1") = "8"
    & skf18("8","9","8","9","6","6","1") = "8"
    & skf18("8","9","8","9","6","7","1") = "8"
    & skf18("8","9","8","9","6","8","1") = "8"
    & skf18("8","9","8","9","6","9","1") = "8"
    & skf18("8","9","8","9","6","10","1") = "9"
    & skf18("8","9","8","9","7","1","1") = "8"
    & skf18("8","9","8","9","7","2","1") = "8"
    & skf18("8","9","8","9","7","3","1") = "8"
    & skf18("8","9","8","9","7","4","1") = "8"
    & skf18("8","9","8","9","7","5","1") = "8"
    & skf18("8","9","8","9","7","6","1") = "8"
    & skf18("8","9","8","9","7","7","1") = "8"
    & skf18("8","9","8","9","7","8","1") = "8"
    & skf18("8","9","8","9","7","9","1") = "8"
    & skf18("8","9","8","9","7","10","1") = "9"
    & skf18("8","9","8","9","8","1","1") = "8"
    & skf18("8","9","8","9","8","2","1") = "8"
    & skf18("8","9","8","9","8","3","1") = "8"
    & skf18("8","9","8","9","8","4","1") = "8"
    & skf18("8","9","8","9","8","5","1") = "8"
    & skf18("8","9","8","9","8","6","1") = "8"
    & skf18("8","9","8","9","8","7","1") = "8"
    & skf18("8","9","8","9","8","8","1") = "8"
    & skf18("8","9","8","9","8","9","1") = "8"
    & skf18("8","9","8","9","8","10","1") = "9"
    & skf18("8","9","8","9","9","1","1") = "8"
    & skf18("8","9","8","9","9","2","1") = "8"
    & skf18("8","9","8","9","9","3","1") = "8"
    & skf18("8","9","8","9","9","4","1") = "8"
    & skf18("8","9","8","9","9","5","1") = "8"
    & skf18("8","9","8","9","9","6","1") = "8"
    & skf18("8","9","8","9","9","7","1") = "8"
    & skf18("8","9","8","9","9","8","1") = "8"
    & skf18("8","9","8","9","9","9","1") = "8"
    & skf18("8","9","8","9","9","10","1") = "9"
    & skf18("8","9","8","9","10","1","1") = "9"
    & skf18("8","9","8","9","10","2","1") = "9"
    & skf18("8","9","8","9","10","3","1") = "9"
    & skf18("8","9","8","9","10","4","1") = "9"
    & skf18("8","9","8","9","10","5","1") = "9"
    & skf18("8","9","8","9","10","6","1") = "9"
    & skf18("8","9","8","9","10","7","1") = "9"
    & skf18("8","9","8","9","10","8","1") = "9"
    & skf18("8","9","8","9","10","9","1") = "9"
    & skf18("8","9","8","9","10","10","1") = "9"
    & skf18("8","9","8","10","1","1","1") = "9"
    & skf18("8","9","8","10","1","2","1") = "9"
    & skf18("8","9","8","10","1","3","1") = "9"
    & skf18("8","9","8","10","1","4","1") = "9"
    & skf18("8","9","8","10","1","5","1") = "9"
    & skf18("8","9","8","10","1","6","1") = "9"
    & skf18("8","9","8","10","1","7","1") = "9"
    & skf18("8","9","8","10","1","8","1") = "9"
    & skf18("8","9","8","10","1","9","1") = "9"
    & skf18("8","9","8","10","1","10","1") = "9"
    & skf18("8","9","8","10","2","1","1") = "9"
    & skf18("8","9","8","10","2","2","1") = "9"
    & skf18("8","9","8","10","2","3","1") = "9"
    & skf18("8","9","8","10","2","4","1") = "9"
    & skf18("8","9","8","10","2","5","1") = "9"
    & skf18("8","9","8","10","2","6","1") = "9"
    & skf18("8","9","8","10","2","7","1") = "9"
    & skf18("8","9","8","10","2","8","1") = "9"
    & skf18("8","9","8","10","2","9","1") = "9"
    & skf18("8","9","8","10","2","10","1") = "9"
    & skf18("8","9","8","10","3","1","1") = "9"
    & skf18("8","9","8","10","3","2","1") = "9"
    & skf18("8","9","8","10","3","3","1") = "9"
    & skf18("8","9","8","10","3","4","1") = "9"
    & skf18("8","9","8","10","3","5","1") = "9"
    & skf18("8","9","8","10","3","6","1") = "9"
    & skf18("8","9","8","10","3","7","1") = "9"
    & skf18("8","9","8","10","3","8","1") = "9"
    & skf18("8","9","8","10","3","9","1") = "9"
    & skf18("8","9","8","10","3","10","1") = "9"
    & skf18("8","9","8","10","4","1","1") = "9"
    & skf18("8","9","8","10","4","2","1") = "9"
    & skf18("8","9","8","10","4","3","1") = "9"
    & skf18("8","9","8","10","4","4","1") = "9"
    & skf18("8","9","8","10","4","5","1") = "9"
    & skf18("8","9","8","10","4","6","1") = "9"
    & skf18("8","9","8","10","4","7","1") = "9"
    & skf18("8","9","8","10","4","8","1") = "9"
    & skf18("8","9","8","10","4","9","1") = "9"
    & skf18("8","9","8","10","4","10","1") = "9"
    & skf18("8","9","8","10","5","1","1") = "9"
    & skf18("8","9","8","10","5","2","1") = "9"
    & skf18("8","9","8","10","5","3","1") = "9"
    & skf18("8","9","8","10","5","4","1") = "9"
    & skf18("8","9","8","10","5","5","1") = "9"
    & skf18("8","9","8","10","5","6","1") = "9"
    & skf18("8","9","8","10","5","7","1") = "9"
    & skf18("8","9","8","10","5","8","1") = "9"
    & skf18("8","9","8","10","5","9","1") = "9"
    & skf18("8","9","8","10","5","10","1") = "9"
    & skf18("8","9","8","10","6","1","1") = "9"
    & skf18("8","9","8","10","6","2","1") = "9"
    & skf18("8","9","8","10","6","3","1") = "9"
    & skf18("8","9","8","10","6","4","1") = "9"
    & skf18("8","9","8","10","6","5","1") = "9"
    & skf18("8","9","8","10","6","6","1") = "9"
    & skf18("8","9","8","10","6","7","1") = "9"
    & skf18("8","9","8","10","6","8","1") = "9"
    & skf18("8","9","8","10","6","9","1") = "9"
    & skf18("8","9","8","10","6","10","1") = "9"
    & skf18("8","9","8","10","7","1","1") = "9"
    & skf18("8","9","8","10","7","2","1") = "9"
    & skf18("8","9","8","10","7","3","1") = "9"
    & skf18("8","9","8","10","7","4","1") = "9"
    & skf18("8","9","8","10","7","5","1") = "9"
    & skf18("8","9","8","10","7","6","1") = "9"
    & skf18("8","9","8","10","7","7","1") = "9"
    & skf18("8","9","8","10","7","8","1") = "9"
    & skf18("8","9","8","10","7","9","1") = "9"
    & skf18("8","9","8","10","7","10","1") = "9"
    & skf18("8","9","8","10","8","1","1") = "9"
    & skf18("8","9","8","10","8","2","1") = "9"
    & skf18("8","9","8","10","8","3","1") = "9"
    & skf18("8","9","8","10","8","4","1") = "9"
    & skf18("8","9","8","10","8","5","1") = "9"
    & skf18("8","9","8","10","8","6","1") = "9"
    & skf18("8","9","8","10","8","7","1") = "9"
    & skf18("8","9","8","10","8","8","1") = "9"
    & skf18("8","9","8","10","8","9","1") = "9"
    & skf18("8","9","8","10","8","10","1") = "9"
    & skf18("8","9","8","10","9","1","1") = "9"
    & skf18("8","9","8","10","9","2","1") = "9"
    & skf18("8","9","8","10","9","3","1") = "9"
    & skf18("8","9","8","10","9","4","1") = "9"
    & skf18("8","9","8","10","9","5","1") = "9"
    & skf18("8","9","8","10","9","6","1") = "9"
    & skf18("8","9","8","10","9","7","1") = "9"
    & skf18("8","9","8","10","9","8","1") = "9"
    & skf18("8","9","8","10","9","9","1") = "9"
    & skf18("8","9","8","10","9","10","1") = "9"
    & skf18("8","9","8","10","10","1","1") = "9"
    & skf18("8","9","8","10","10","2","1") = "9"
    & skf18("8","9","8","10","10","3","1") = "9"
    & skf18("8","9","8","10","10","4","1") = "9"
    & skf18("8","9","8","10","10","5","1") = "9"
    & skf18("8","9","8","10","10","6","1") = "9"
    & skf18("8","9","8","10","10","7","1") = "9"
    & skf18("8","9","8","10","10","8","1") = "9"
    & skf18("8","9","8","10","10","9","1") = "9"
    & skf18("8","9","8","10","10","10","1") = "9"
    & skf18("8","9","9","1","1","1","1") = "8"
    & skf18("8","9","9","1","1","2","1") = "8"
    & skf18("8","9","9","1","1","3","1") = "8"
    & skf18("8","9","9","1","1","4","1") = "8"
    & skf18("8","9","9","1","1","5","1") = "8"
    & skf18("8","9","9","1","1","6","1") = "8"
    & skf18("8","9","9","1","1","7","1") = "8"
    & skf18("8","9","9","1","1","8","1") = "8"
    & skf18("8","9","9","1","1","9","1") = "8"
    & skf18("8","9","9","1","1","10","1") = "9"
    & skf18("8","9","9","1","2","1","1") = "8"
    & skf18("8","9","9","1","2","2","1") = "8"
    & skf18("8","9","9","1","2","3","1") = "8"
    & skf18("8","9","9","1","2","4","1") = "8"
    & skf18("8","9","9","1","2","5","1") = "8"
    & skf18("8","9","9","1","2","6","1") = "8"
    & skf18("8","9","9","1","2","7","1") = "8"
    & skf18("8","9","9","1","2","8","1") = "8"
    & skf18("8","9","9","1","2","9","1") = "8"
    & skf18("8","9","9","1","2","10","1") = "9"
    & skf18("8","9","9","1","3","1","1") = "8"
    & skf18("8","9","9","1","3","2","1") = "8"
    & skf18("8","9","9","1","3","3","1") = "8"
    & skf18("8","9","9","1","3","4","1") = "8"
    & skf18("8","9","9","1","3","5","1") = "8"
    & skf18("8","9","9","1","3","6","1") = "8"
    & skf18("8","9","9","1","3","7","1") = "8"
    & skf18("8","9","9","1","3","8","1") = "8"
    & skf18("8","9","9","1","3","9","1") = "8"
    & skf18("8","9","9","1","3","10","1") = "9"
    & skf18("8","9","9","1","4","1","1") = "8"
    & skf18("8","9","9","1","4","2","1") = "8"
    & skf18("8","9","9","1","4","3","1") = "8"
    & skf18("8","9","9","1","4","4","1") = "8"
    & skf18("8","9","9","1","4","5","1") = "8"
    & skf18("8","9","9","1","4","6","1") = "8"
    & skf18("8","9","9","1","4","7","1") = "8"
    & skf18("8","9","9","1","4","8","1") = "8"
    & skf18("8","9","9","1","4","9","1") = "8"
    & skf18("8","9","9","1","4","10","1") = "9"
    & skf18("8","9","9","1","5","1","1") = "8"
    & skf18("8","9","9","1","5","2","1") = "8"
    & skf18("8","9","9","1","5","3","1") = "8"
    & skf18("8","9","9","1","5","4","1") = "8"
    & skf18("8","9","9","1","5","5","1") = "8"
    & skf18("8","9","9","1","5","6","1") = "8"
    & skf18("8","9","9","1","5","7","1") = "8"
    & skf18("8","9","9","1","5","8","1") = "8"
    & skf18("8","9","9","1","5","9","1") = "8"
    & skf18("8","9","9","1","5","10","1") = "9"
    & skf18("8","9","9","1","6","1","1") = "8"
    & skf18("8","9","9","1","6","2","1") = "8"
    & skf18("8","9","9","1","6","3","1") = "8"
    & skf18("8","9","9","1","6","4","1") = "8"
    & skf18("8","9","9","1","6","5","1") = "8"
    & skf18("8","9","9","1","6","6","1") = "8"
    & skf18("8","9","9","1","6","7","1") = "8"
    & skf18("8","9","9","1","6","8","1") = "8"
    & skf18("8","9","9","1","6","9","1") = "8"
    & skf18("8","9","9","1","6","10","1") = "9"
    & skf18("8","9","9","1","7","1","1") = "8"
    & skf18("8","9","9","1","7","2","1") = "8"
    & skf18("8","9","9","1","7","3","1") = "8"
    & skf18("8","9","9","1","7","4","1") = "8"
    & skf18("8","9","9","1","7","5","1") = "8"
    & skf18("8","9","9","1","7","6","1") = "8"
    & skf18("8","9","9","1","7","7","1") = "8"
    & skf18("8","9","9","1","7","8","1") = "8"
    & skf18("8","9","9","1","7","9","1") = "8"
    & skf18("8","9","9","1","7","10","1") = "9"
    & skf18("8","9","9","1","8","1","1") = "8"
    & skf18("8","9","9","1","8","2","1") = "8"
    & skf18("8","9","9","1","8","3","1") = "8"
    & skf18("8","9","9","1","8","4","1") = "8"
    & skf18("8","9","9","1","8","5","1") = "8"
    & skf18("8","9","9","1","8","6","1") = "8"
    & skf18("8","9","9","1","8","7","1") = "8"
    & skf18("8","9","9","1","8","8","1") = "8"
    & skf18("8","9","9","1","8","9","1") = "8"
    & skf18("8","9","9","1","8","10","1") = "9"
    & skf18("8","9","9","1","9","1","1") = "8"
    & skf18("8","9","9","1","9","2","1") = "8"
    & skf18("8","9","9","1","9","3","1") = "8"
    & skf18("8","9","9","1","9","4","1") = "8"
    & skf18("8","9","9","1","9","5","1") = "8"
    & skf18("8","9","9","1","9","6","1") = "8"
    & skf18("8","9","9","1","9","7","1") = "8"
    & skf18("8","9","9","1","9","8","1") = "8"
    & skf18("8","9","9","1","9","9","1") = "8"
    & skf18("8","9","9","1","9","10","1") = "9"
    & skf18("8","9","9","1","10","1","1") = "9"
    & skf18("8","9","9","1","10","2","1") = "9"
    & skf18("8","9","9","1","10","3","1") = "9"
    & skf18("8","9","9","1","10","4","1") = "9"
    & skf18("8","9","9","1","10","5","1") = "9"
    & skf18("8","9","9","1","10","6","1") = "9"
    & skf18("8","9","9","1","10","7","1") = "9"
    & skf18("8","9","9","1","10","8","1") = "9"
    & skf18("8","9","9","1","10","9","1") = "9"
    & skf18("8","9","9","1","10","10","1") = "9"
    & skf18("8","9","9","2","1","1","1") = "8"
    & skf18("8","9","9","2","1","2","1") = "8"
    & skf18("8","9","9","2","1","3","1") = "8"
    & skf18("8","9","9","2","1","4","1") = "8"
    & skf18("8","9","9","2","1","5","1") = "8"
    & skf18("8","9","9","2","1","6","1") = "8"
    & skf18("8","9","9","2","1","7","1") = "8"
    & skf18("8","9","9","2","1","8","1") = "8"
    & skf18("8","9","9","2","1","9","1") = "8"
    & skf18("8","9","9","2","1","10","1") = "9"
    & skf18("8","9","9","2","2","1","1") = "8"
    & skf18("8","9","9","2","2","2","1") = "8"
    & skf18("8","9","9","2","2","3","1") = "8"
    & skf18("8","9","9","2","2","4","1") = "8"
    & skf18("8","9","9","2","2","5","1") = "8"
    & skf18("8","9","9","2","2","6","1") = "8"
    & skf18("8","9","9","2","2","7","1") = "8"
    & skf18("8","9","9","2","2","8","1") = "8"
    & skf18("8","9","9","2","2","9","1") = "8"
    & skf18("8","9","9","2","2","10","1") = "9"
    & skf18("8","9","9","2","3","1","1") = "8"
    & skf18("8","9","9","2","3","2","1") = "8"
    & skf18("8","9","9","2","3","3","1") = "8"
    & skf18("8","9","9","2","3","4","1") = "8"
    & skf18("8","9","9","2","3","5","1") = "8"
    & skf18("8","9","9","2","3","6","1") = "8"
    & skf18("8","9","9","2","3","7","1") = "8"
    & skf18("8","9","9","2","3","8","1") = "8"
    & skf18("8","9","9","2","3","9","1") = "8"
    & skf18("8","9","9","2","3","10","1") = "9"
    & skf18("8","9","9","2","4","1","1") = "8"
    & skf18("8","9","9","2","4","2","1") = "8"
    & skf18("8","9","9","2","4","3","1") = "8"
    & skf18("8","9","9","2","4","4","1") = "8"
    & skf18("8","9","9","2","4","5","1") = "8"
    & skf18("8","9","9","2","4","6","1") = "8"
    & skf18("8","9","9","2","4","7","1") = "8"
    & skf18("8","9","9","2","4","8","1") = "8"
    & skf18("8","9","9","2","4","9","1") = "8"
    & skf18("8","9","9","2","4","10","1") = "9"
    & skf18("8","9","9","2","5","1","1") = "8"
    & skf18("8","9","9","2","5","2","1") = "8"
    & skf18("8","9","9","2","5","3","1") = "8"
    & skf18("8","9","9","2","5","4","1") = "8"
    & skf18("8","9","9","2","5","5","1") = "8"
    & skf18("8","9","9","2","5","6","1") = "8"
    & skf18("8","9","9","2","5","7","1") = "8"
    & skf18("8","9","9","2","5","8","1") = "8"
    & skf18("8","9","9","2","5","9","1") = "8"
    & skf18("8","9","9","2","5","10","1") = "9"
    & skf18("8","9","9","2","6","1","1") = "8"
    & skf18("8","9","9","2","6","2","1") = "8"
    & skf18("8","9","9","2","6","3","1") = "8"
    & skf18("8","9","9","2","6","4","1") = "8"
    & skf18("8","9","9","2","6","5","1") = "8"
    & skf18("8","9","9","2","6","6","1") = "8"
    & skf18("8","9","9","2","6","7","1") = "8"
    & skf18("8","9","9","2","6","8","1") = "8"
    & skf18("8","9","9","2","6","9","1") = "8"
    & skf18("8","9","9","2","6","10","1") = "9"
    & skf18("8","9","9","2","7","1","1") = "8"
    & skf18("8","9","9","2","7","2","1") = "8"
    & skf18("8","9","9","2","7","3","1") = "8"
    & skf18("8","9","9","2","7","4","1") = "8"
    & skf18("8","9","9","2","7","5","1") = "8"
    & skf18("8","9","9","2","7","6","1") = "8"
    & skf18("8","9","9","2","7","7","1") = "8"
    & skf18("8","9","9","2","7","8","1") = "8"
    & skf18("8","9","9","2","7","9","1") = "8"
    & skf18("8","9","9","2","7","10","1") = "9"
    & skf18("8","9","9","2","8","1","1") = "8"
    & skf18("8","9","9","2","8","2","1") = "8"
    & skf18("8","9","9","2","8","3","1") = "8"
    & skf18("8","9","9","2","8","4","1") = "8"
    & skf18("8","9","9","2","8","5","1") = "8"
    & skf18("8","9","9","2","8","6","1") = "8"
    & skf18("8","9","9","2","8","7","1") = "8"
    & skf18("8","9","9","2","8","8","1") = "8"
    & skf18("8","9","9","2","8","9","1") = "8"
    & skf18("8","9","9","2","8","10","1") = "9"
    & skf18("8","9","9","2","9","1","1") = "8"
    & skf18("8","9","9","2","9","2","1") = "8"
    & skf18("8","9","9","2","9","3","1") = "8"
    & skf18("8","9","9","2","9","4","1") = "8"
    & skf18("8","9","9","2","9","5","1") = "8"
    & skf18("8","9","9","2","9","6","1") = "8"
    & skf18("8","9","9","2","9","7","1") = "8"
    & skf18("8","9","9","2","9","8","1") = "8"
    & skf18("8","9","9","2","9","9","1") = "8"
    & skf18("8","9","9","2","9","10","1") = "9"
    & skf18("8","9","9","2","10","1","1") = "9"
    & skf18("8","9","9","2","10","2","1") = "9"
    & skf18("8","9","9","2","10","3","1") = "9"
    & skf18("8","9","9","2","10","4","1") = "9"
    & skf18("8","9","9","2","10","5","1") = "9"
    & skf18("8","9","9","2","10","6","1") = "9"
    & skf18("8","9","9","2","10","7","1") = "9"
    & skf18("8","9","9","2","10","8","1") = "9"
    & skf18("8","9","9","2","10","9","1") = "9"
    & skf18("8","9","9","2","10","10","1") = "9"
    & skf18("8","9","9","3","1","1","1") = "8"
    & skf18("8","9","9","3","1","2","1") = "8"
    & skf18("8","9","9","3","1","3","1") = "8"
    & skf18("8","9","9","3","1","4","1") = "8"
    & skf18("8","9","9","3","1","5","1") = "8"
    & skf18("8","9","9","3","1","6","1") = "8"
    & skf18("8","9","9","3","1","7","1") = "8"
    & skf18("8","9","9","3","1","8","1") = "8"
    & skf18("8","9","9","3","1","9","1") = "8"
    & skf18("8","9","9","3","1","10","1") = "9"
    & skf18("8","9","9","3","2","1","1") = "8"
    & skf18("8","9","9","3","2","2","1") = "8"
    & skf18("8","9","9","3","2","3","1") = "8"
    & skf18("8","9","9","3","2","4","1") = "8"
    & skf18("8","9","9","3","2","5","1") = "8"
    & skf18("8","9","9","3","2","6","1") = "8"
    & skf18("8","9","9","3","2","7","1") = "8"
    & skf18("8","9","9","3","2","8","1") = "8"
    & skf18("8","9","9","3","2","9","1") = "8"
    & skf18("8","9","9","3","2","10","1") = "9"
    & skf18("8","9","9","3","3","1","1") = "8"
    & skf18("8","9","9","3","3","2","1") = "8"
    & skf18("8","9","9","3","3","3","1") = "8"
    & skf18("8","9","9","3","3","4","1") = "8"
    & skf18("8","9","9","3","3","5","1") = "8"
    & skf18("8","9","9","3","3","6","1") = "8"
    & skf18("8","9","9","3","3","7","1") = "8"
    & skf18("8","9","9","3","3","8","1") = "8"
    & skf18("8","9","9","3","3","9","1") = "8"
    & skf18("8","9","9","3","3","10","1") = "9"
    & skf18("8","9","9","3","4","1","1") = "8"
    & skf18("8","9","9","3","4","2","1") = "8"
    & skf18("8","9","9","3","4","3","1") = "8"
    & skf18("8","9","9","3","4","4","1") = "8"
    & skf18("8","9","9","3","4","5","1") = "8"
    & skf18("8","9","9","3","4","6","1") = "8"
    & skf18("8","9","9","3","4","7","1") = "8"
    & skf18("8","9","9","3","4","8","1") = "8"
    & skf18("8","9","9","3","4","9","1") = "8"
    & skf18("8","9","9","3","4","10","1") = "9"
    & skf18("8","9","9","3","5","1","1") = "8"
    & skf18("8","9","9","3","5","2","1") = "8"
    & skf18("8","9","9","3","5","3","1") = "8"
    & skf18("8","9","9","3","5","4","1") = "8"
    & skf18("8","9","9","3","5","5","1") = "8"
    & skf18("8","9","9","3","5","6","1") = "8"
    & skf18("8","9","9","3","5","7","1") = "8"
    & skf18("8","9","9","3","5","8","1") = "8"
    & skf18("8","9","9","3","5","9","1") = "8"
    & skf18("8","9","9","3","5","10","1") = "9"
    & skf18("8","9","9","3","6","1","1") = "8"
    & skf18("8","9","9","3","6","2","1") = "8"
    & skf18("8","9","9","3","6","3","1") = "8"
    & skf18("8","9","9","3","6","4","1") = "8"
    & skf18("8","9","9","3","6","5","1") = "8"
    & skf18("8","9","9","3","6","6","1") = "8"
    & skf18("8","9","9","3","6","7","1") = "8"
    & skf18("8","9","9","3","6","8","1") = "8"
    & skf18("8","9","9","3","6","9","1") = "8"
    & skf18("8","9","9","3","6","10","1") = "9"
    & skf18("8","9","9","3","7","1","1") = "8"
    & skf18("8","9","9","3","7","2","1") = "8"
    & skf18("8","9","9","3","7","3","1") = "8"
    & skf18("8","9","9","3","7","4","1") = "8"
    & skf18("8","9","9","3","7","5","1") = "8"
    & skf18("8","9","9","3","7","6","1") = "8"
    & skf18("8","9","9","3","7","7","1") = "8"
    & skf18("8","9","9","3","7","8","1") = "8"
    & skf18("8","9","9","3","7","9","1") = "8"
    & skf18("8","9","9","3","7","10","1") = "9"
    & skf18("8","9","9","3","8","1","1") = "8"
    & skf18("8","9","9","3","8","2","1") = "8"
    & skf18("8","9","9","3","8","3","1") = "8"
    & skf18("8","9","9","3","8","4","1") = "8"
    & skf18("8","9","9","3","8","5","1") = "8"
    & skf18("8","9","9","3","8","6","1") = "8"
    & skf18("8","9","9","3","8","7","1") = "8"
    & skf18("8","9","9","3","8","8","1") = "8"
    & skf18("8","9","9","3","8","9","1") = "8"
    & skf18("8","9","9","3","8","10","1") = "9"
    & skf18("8","9","9","3","9","1","1") = "8"
    & skf18("8","9","9","3","9","2","1") = "8"
    & skf18("8","9","9","3","9","3","1") = "8"
    & skf18("8","9","9","3","9","4","1") = "8"
    & skf18("8","9","9","3","9","5","1") = "8"
    & skf18("8","9","9","3","9","6","1") = "8"
    & skf18("8","9","9","3","9","7","1") = "8"
    & skf18("8","9","9","3","9","8","1") = "8"
    & skf18("8","9","9","3","9","9","1") = "8"
    & skf18("8","9","9","3","9","10","1") = "9"
    & skf18("8","9","9","3","10","1","1") = "9"
    & skf18("8","9","9","3","10","2","1") = "9"
    & skf18("8","9","9","3","10","3","1") = "9"
    & skf18("8","9","9","3","10","4","1") = "9"
    & skf18("8","9","9","3","10","5","1") = "9"
    & skf18("8","9","9","3","10","6","1") = "9"
    & skf18("8","9","9","3","10","7","1") = "9"
    & skf18("8","9","9","3","10","8","1") = "9"
    & skf18("8","9","9","3","10","9","1") = "9"
    & skf18("8","9","9","3","10","10","1") = "9"
    & skf18("8","9","9","4","1","1","1") = "8"
    & skf18("8","9","9","4","1","2","1") = "8"
    & skf18("8","9","9","4","1","3","1") = "8"
    & skf18("8","9","9","4","1","4","1") = "8"
    & skf18("8","9","9","4","1","5","1") = "8"
    & skf18("8","9","9","4","1","6","1") = "8"
    & skf18("8","9","9","4","1","7","1") = "8"
    & skf18("8","9","9","4","1","8","1") = "8"
    & skf18("8","9","9","4","1","9","1") = "8"
    & skf18("8","9","9","4","1","10","1") = "9"
    & skf18("8","9","9","4","2","1","1") = "8"
    & skf18("8","9","9","4","2","2","1") = "8"
    & skf18("8","9","9","4","2","3","1") = "8"
    & skf18("8","9","9","4","2","4","1") = "8"
    & skf18("8","9","9","4","2","5","1") = "8"
    & skf18("8","9","9","4","2","6","1") = "8"
    & skf18("8","9","9","4","2","7","1") = "8"
    & skf18("8","9","9","4","2","8","1") = "8"
    & skf18("8","9","9","4","2","9","1") = "8"
    & skf18("8","9","9","4","2","10","1") = "9"
    & skf18("8","9","9","4","3","1","1") = "8"
    & skf18("8","9","9","4","3","2","1") = "8"
    & skf18("8","9","9","4","3","3","1") = "8"
    & skf18("8","9","9","4","3","4","1") = "8"
    & skf18("8","9","9","4","3","5","1") = "8"
    & skf18("8","9","9","4","3","6","1") = "8"
    & skf18("8","9","9","4","3","7","1") = "8"
    & skf18("8","9","9","4","3","8","1") = "8"
    & skf18("8","9","9","4","3","9","1") = "8"
    & skf18("8","9","9","4","3","10","1") = "9"
    & skf18("8","9","9","4","4","1","1") = "8"
    & skf18("8","9","9","4","4","2","1") = "8"
    & skf18("8","9","9","4","4","3","1") = "8"
    & skf18("8","9","9","4","4","4","1") = "8"
    & skf18("8","9","9","4","4","5","1") = "8"
    & skf18("8","9","9","4","4","6","1") = "8"
    & skf18("8","9","9","4","4","7","1") = "8"
    & skf18("8","9","9","4","4","8","1") = "8"
    & skf18("8","9","9","4","4","9","1") = "8"
    & skf18("8","9","9","4","4","10","1") = "9"
    & skf18("8","9","9","4","5","1","1") = "8"
    & skf18("8","9","9","4","5","2","1") = "8"
    & skf18("8","9","9","4","5","3","1") = "8"
    & skf18("8","9","9","4","5","4","1") = "8"
    & skf18("8","9","9","4","5","5","1") = "8"
    & skf18("8","9","9","4","5","6","1") = "8"
    & skf18("8","9","9","4","5","7","1") = "8"
    & skf18("8","9","9","4","5","8","1") = "8"
    & skf18("8","9","9","4","5","9","1") = "8"
    & skf18("8","9","9","4","5","10","1") = "9"
    & skf18("8","9","9","4","6","1","1") = "8"
    & skf18("8","9","9","4","6","2","1") = "8"
    & skf18("8","9","9","4","6","3","1") = "8"
    & skf18("8","9","9","4","6","4","1") = "8"
    & skf18("8","9","9","4","6","5","1") = "8"
    & skf18("8","9","9","4","6","6","1") = "8"
    & skf18("8","9","9","4","6","7","1") = "8"
    & skf18("8","9","9","4","6","8","1") = "8"
    & skf18("8","9","9","4","6","9","1") = "8"
    & skf18("8","9","9","4","6","10","1") = "9"
    & skf18("8","9","9","4","7","1","1") = "8"
    & skf18("8","9","9","4","7","2","1") = "8"
    & skf18("8","9","9","4","7","3","1") = "8"
    & skf18("8","9","9","4","7","4","1") = "8"
    & skf18("8","9","9","4","7","5","1") = "8"
    & skf18("8","9","9","4","7","6","1") = "8"
    & skf18("8","9","9","4","7","7","1") = "8"
    & skf18("8","9","9","4","7","8","1") = "8"
    & skf18("8","9","9","4","7","9","1") = "8"
    & skf18("8","9","9","4","7","10","1") = "9"
    & skf18("8","9","9","4","8","1","1") = "8"
    & skf18("8","9","9","4","8","2","1") = "8"
    & skf18("8","9","9","4","8","3","1") = "8"
    & skf18("8","9","9","4","8","4","1") = "8"
    & skf18("8","9","9","4","8","5","1") = "8"
    & skf18("8","9","9","4","8","6","1") = "8"
    & skf18("8","9","9","4","8","7","1") = "8"
    & skf18("8","9","9","4","8","8","1") = "8"
    & skf18("8","9","9","4","8","9","1") = "8"
    & skf18("8","9","9","4","8","10","1") = "9"
    & skf18("8","9","9","4","9","1","1") = "8"
    & skf18("8","9","9","4","9","2","1") = "8"
    & skf18("8","9","9","4","9","3","1") = "8"
    & skf18("8","9","9","4","9","4","1") = "8"
    & skf18("8","9","9","4","9","5","1") = "8"
    & skf18("8","9","9","4","9","6","1") = "8"
    & skf18("8","9","9","4","9","7","1") = "8"
    & skf18("8","9","9","4","9","8","1") = "8"
    & skf18("8","9","9","4","9","9","1") = "8"
    & skf18("8","9","9","4","9","10","1") = "9"
    & skf18("8","9","9","4","10","1","1") = "9"
    & skf18("8","9","9","4","10","2","1") = "9"
    & skf18("8","9","9","4","10","3","1") = "9"
    & skf18("8","9","9","4","10","4","1") = "9"
    & skf18("8","9","9","4","10","5","1") = "9"
    & skf18("8","9","9","4","10","6","1") = "9"
    & skf18("8","9","9","4","10","7","1") = "9"
    & skf18("8","9","9","4","10","8","1") = "9"
    & skf18("8","9","9","4","10","9","1") = "9"
    & skf18("8","9","9","4","10","10","1") = "9"
    & skf18("8","9","9","5","1","1","1") = "8"
    & skf18("8","9","9","5","1","2","1") = "8"
    & skf18("8","9","9","5","1","3","1") = "8"
    & skf18("8","9","9","5","1","4","1") = "8"
    & skf18("8","9","9","5","1","5","1") = "8"
    & skf18("8","9","9","5","1","6","1") = "8"
    & skf18("8","9","9","5","1","7","1") = "8"
    & skf18("8","9","9","5","1","8","1") = "8"
    & skf18("8","9","9","5","1","9","1") = "8"
    & skf18("8","9","9","5","1","10","1") = "9"
    & skf18("8","9","9","5","2","1","1") = "8"
    & skf18("8","9","9","5","2","2","1") = "8"
    & skf18("8","9","9","5","2","3","1") = "8"
    & skf18("8","9","9","5","2","4","1") = "8"
    & skf18("8","9","9","5","2","5","1") = "8"
    & skf18("8","9","9","5","2","6","1") = "8"
    & skf18("8","9","9","5","2","7","1") = "8"
    & skf18("8","9","9","5","2","8","1") = "8"
    & skf18("8","9","9","5","2","9","1") = "8"
    & skf18("8","9","9","5","2","10","1") = "9"
    & skf18("8","9","9","5","3","1","1") = "8"
    & skf18("8","9","9","5","3","2","1") = "8"
    & skf18("8","9","9","5","3","3","1") = "8"
    & skf18("8","9","9","5","3","4","1") = "8"
    & skf18("8","9","9","5","3","5","1") = "8"
    & skf18("8","9","9","5","3","6","1") = "8"
    & skf18("8","9","9","5","3","7","1") = "8"
    & skf18("8","9","9","5","3","8","1") = "8"
    & skf18("8","9","9","5","3","9","1") = "8"
    & skf18("8","9","9","5","3","10","1") = "9"
    & skf18("8","9","9","5","4","1","1") = "8"
    & skf18("8","9","9","5","4","2","1") = "8"
    & skf18("8","9","9","5","4","3","1") = "8"
    & skf18("8","9","9","5","4","4","1") = "8"
    & skf18("8","9","9","5","4","5","1") = "8"
    & skf18("8","9","9","5","4","6","1") = "8"
    & skf18("8","9","9","5","4","7","1") = "8"
    & skf18("8","9","9","5","4","8","1") = "8"
    & skf18("8","9","9","5","4","9","1") = "8"
    & skf18("8","9","9","5","4","10","1") = "9"
    & skf18("8","9","9","5","5","1","1") = "8"
    & skf18("8","9","9","5","5","2","1") = "8"
    & skf18("8","9","9","5","5","3","1") = "8"
    & skf18("8","9","9","5","5","4","1") = "8"
    & skf18("8","9","9","5","5","5","1") = "8"
    & skf18("8","9","9","5","5","6","1") = "8"
    & skf18("8","9","9","5","5","7","1") = "8"
    & skf18("8","9","9","5","5","8","1") = "8"
    & skf18("8","9","9","5","5","9","1") = "8"
    & skf18("8","9","9","5","5","10","1") = "9"
    & skf18("8","9","9","5","6","1","1") = "8"
    & skf18("8","9","9","5","6","2","1") = "8"
    & skf18("8","9","9","5","6","3","1") = "8"
    & skf18("8","9","9","5","6","4","1") = "8"
    & skf18("8","9","9","5","6","5","1") = "8"
    & skf18("8","9","9","5","6","6","1") = "8"
    & skf18("8","9","9","5","6","7","1") = "8"
    & skf18("8","9","9","5","6","8","1") = "8"
    & skf18("8","9","9","5","6","9","1") = "8"
    & skf18("8","9","9","5","6","10","1") = "9"
    & skf18("8","9","9","5","7","1","1") = "8"
    & skf18("8","9","9","5","7","2","1") = "8"
    & skf18("8","9","9","5","7","3","1") = "8"
    & skf18("8","9","9","5","7","4","1") = "8"
    & skf18("8","9","9","5","7","5","1") = "8"
    & skf18("8","9","9","5","7","6","1") = "8"
    & skf18("8","9","9","5","7","7","1") = "8"
    & skf18("8","9","9","5","7","8","1") = "8"
    & skf18("8","9","9","5","7","9","1") = "8"
    & skf18("8","9","9","5","7","10","1") = "9"
    & skf18("8","9","9","5","8","1","1") = "8"
    & skf18("8","9","9","5","8","2","1") = "8"
    & skf18("8","9","9","5","8","3","1") = "8"
    & skf18("8","9","9","5","8","4","1") = "8"
    & skf18("8","9","9","5","8","5","1") = "8"
    & skf18("8","9","9","5","8","6","1") = "8"
    & skf18("8","9","9","5","8","7","1") = "8"
    & skf18("8","9","9","5","8","8","1") = "8"
    & skf18("8","9","9","5","8","9","1") = "8"
    & skf18("8","9","9","5","8","10","1") = "9"
    & skf18("8","9","9","5","9","1","1") = "8"
    & skf18("8","9","9","5","9","2","1") = "8"
    & skf18("8","9","9","5","9","3","1") = "8"
    & skf18("8","9","9","5","9","4","1") = "8"
    & skf18("8","9","9","5","9","5","1") = "8"
    & skf18("8","9","9","5","9","6","1") = "8"
    & skf18("8","9","9","5","9","7","1") = "8"
    & skf18("8","9","9","5","9","8","1") = "8"
    & skf18("8","9","9","5","9","9","1") = "8"
    & skf18("8","9","9","5","9","10","1") = "9"
    & skf18("8","9","9","5","10","1","1") = "9"
    & skf18("8","9","9","5","10","2","1") = "9"
    & skf18("8","9","9","5","10","3","1") = "9"
    & skf18("8","9","9","5","10","4","1") = "9"
    & skf18("8","9","9","5","10","5","1") = "9"
    & skf18("8","9","9","5","10","6","1") = "9"
    & skf18("8","9","9","5","10","7","1") = "9"
    & skf18("8","9","9","5","10","8","1") = "9"
    & skf18("8","9","9","5","10","9","1") = "9"
    & skf18("8","9","9","5","10","10","1") = "9"
    & skf18("8","9","9","6","1","1","1") = "8"
    & skf18("8","9","9","6","1","2","1") = "8"
    & skf18("8","9","9","6","1","3","1") = "8"
    & skf18("8","9","9","6","1","4","1") = "8"
    & skf18("8","9","9","6","1","5","1") = "8"
    & skf18("8","9","9","6","1","6","1") = "8"
    & skf18("8","9","9","6","1","7","1") = "8"
    & skf18("8","9","9","6","1","8","1") = "8"
    & skf18("8","9","9","6","1","9","1") = "8"
    & skf18("8","9","9","6","1","10","1") = "9"
    & skf18("8","9","9","6","2","1","1") = "8"
    & skf18("8","9","9","6","2","2","1") = "8"
    & skf18("8","9","9","6","2","3","1") = "8"
    & skf18("8","9","9","6","2","4","1") = "8"
    & skf18("8","9","9","6","2","5","1") = "8"
    & skf18("8","9","9","6","2","6","1") = "8"
    & skf18("8","9","9","6","2","7","1") = "8"
    & skf18("8","9","9","6","2","8","1") = "8"
    & skf18("8","9","9","6","2","9","1") = "8"
    & skf18("8","9","9","6","2","10","1") = "9"
    & skf18("8","9","9","6","3","1","1") = "8"
    & skf18("8","9","9","6","3","2","1") = "8"
    & skf18("8","9","9","6","3","3","1") = "8"
    & skf18("8","9","9","6","3","4","1") = "8"
    & skf18("8","9","9","6","3","5","1") = "8"
    & skf18("8","9","9","6","3","6","1") = "8"
    & skf18("8","9","9","6","3","7","1") = "8"
    & skf18("8","9","9","6","3","8","1") = "8"
    & skf18("8","9","9","6","3","9","1") = "8"
    & skf18("8","9","9","6","3","10","1") = "9"
    & skf18("8","9","9","6","4","1","1") = "8"
    & skf18("8","9","9","6","4","2","1") = "8"
    & skf18("8","9","9","6","4","3","1") = "8"
    & skf18("8","9","9","6","4","4","1") = "8"
    & skf18("8","9","9","6","4","5","1") = "8"
    & skf18("8","9","9","6","4","6","1") = "8"
    & skf18("8","9","9","6","4","7","1") = "8"
    & skf18("8","9","9","6","4","8","1") = "8"
    & skf18("8","9","9","6","4","9","1") = "8"
    & skf18("8","9","9","6","4","10","1") = "9"
    & skf18("8","9","9","6","5","1","1") = "8"
    & skf18("8","9","9","6","5","2","1") = "8"
    & skf18("8","9","9","6","5","3","1") = "8"
    & skf18("8","9","9","6","5","4","1") = "8"
    & skf18("8","9","9","6","5","5","1") = "8"
    & skf18("8","9","9","6","5","6","1") = "8"
    & skf18("8","9","9","6","5","7","1") = "8"
    & skf18("8","9","9","6","5","8","1") = "8"
    & skf18("8","9","9","6","5","9","1") = "8"
    & skf18("8","9","9","6","5","10","1") = "9"
    & skf18("8","9","9","6","6","1","1") = "8"
    & skf18("8","9","9","6","6","2","1") = "8"
    & skf18("8","9","9","6","6","3","1") = "8"
    & skf18("8","9","9","6","6","4","1") = "8"
    & skf18("8","9","9","6","6","5","1") = "8"
    & skf18("8","9","9","6","6","6","1") = "8"
    & skf18("8","9","9","6","6","7","1") = "8"
    & skf18("8","9","9","6","6","8","1") = "8"
    & skf18("8","9","9","6","6","9","1") = "8"
    & skf18("8","9","9","6","6","10","1") = "9"
    & skf18("8","9","9","6","7","1","1") = "8"
    & skf18("8","9","9","6","7","2","1") = "8"
    & skf18("8","9","9","6","7","3","1") = "8"
    & skf18("8","9","9","6","7","4","1") = "8"
    & skf18("8","9","9","6","7","5","1") = "8"
    & skf18("8","9","9","6","7","6","1") = "8"
    & skf18("8","9","9","6","7","7","1") = "8"
    & skf18("8","9","9","6","7","8","1") = "8"
    & skf18("8","9","9","6","7","9","1") = "8"
    & skf18("8","9","9","6","7","10","1") = "9"
    & skf18("8","9","9","6","8","1","1") = "8"
    & skf18("8","9","9","6","8","2","1") = "8"
    & skf18("8","9","9","6","8","3","1") = "8"
    & skf18("8","9","9","6","8","4","1") = "8"
    & skf18("8","9","9","6","8","5","1") = "8"
    & skf18("8","9","9","6","8","6","1") = "8"
    & skf18("8","9","9","6","8","7","1") = "8"
    & skf18("8","9","9","6","8","8","1") = "8"
    & skf18("8","9","9","6","8","9","1") = "8"
    & skf18("8","9","9","6","8","10","1") = "9"
    & skf18("8","9","9","6","9","1","1") = "8"
    & skf18("8","9","9","6","9","2","1") = "8"
    & skf18("8","9","9","6","9","3","1") = "8"
    & skf18("8","9","9","6","9","4","1") = "8"
    & skf18("8","9","9","6","9","5","1") = "8"
    & skf18("8","9","9","6","9","6","1") = "8"
    & skf18("8","9","9","6","9","7","1") = "8"
    & skf18("8","9","9","6","9","8","1") = "8"
    & skf18("8","9","9","6","9","9","1") = "8"
    & skf18("8","9","9","6","9","10","1") = "9"
    & skf18("8","9","9","6","10","1","1") = "9"
    & skf18("8","9","9","6","10","2","1") = "9"
    & skf18("8","9","9","6","10","3","1") = "9"
    & skf18("8","9","9","6","10","4","1") = "9"
    & skf18("8","9","9","6","10","5","1") = "9"
    & skf18("8","9","9","6","10","6","1") = "9"
    & skf18("8","9","9","6","10","7","1") = "9"
    & skf18("8","9","9","6","10","8","1") = "9"
    & skf18("8","9","9","6","10","9","1") = "9"
    & skf18("8","9","9","6","10","10","1") = "9"
    & skf18("8","9","9","7","1","1","1") = "8"
    & skf18("8","9","9","7","1","2","1") = "8"
    & skf18("8","9","9","7","1","3","1") = "8"
    & skf18("8","9","9","7","1","4","1") = "8"
    & skf18("8","9","9","7","1","5","1") = "8"
    & skf18("8","9","9","7","1","6","1") = "8"
    & skf18("8","9","9","7","1","7","1") = "8"
    & skf18("8","9","9","7","1","8","1") = "8"
    & skf18("8","9","9","7","1","9","1") = "8"
    & skf18("8","9","9","7","1","10","1") = "9"
    & skf18("8","9","9","7","2","1","1") = "8"
    & skf18("8","9","9","7","2","2","1") = "8"
    & skf18("8","9","9","7","2","3","1") = "8"
    & skf18("8","9","9","7","2","4","1") = "8"
    & skf18("8","9","9","7","2","5","1") = "8"
    & skf18("8","9","9","7","2","6","1") = "8"
    & skf18("8","9","9","7","2","7","1") = "8"
    & skf18("8","9","9","7","2","8","1") = "8"
    & skf18("8","9","9","7","2","9","1") = "8"
    & skf18("8","9","9","7","2","10","1") = "9"
    & skf18("8","9","9","7","3","1","1") = "8"
    & skf18("8","9","9","7","3","2","1") = "8"
    & skf18("8","9","9","7","3","3","1") = "8"
    & skf18("8","9","9","7","3","4","1") = "8"
    & skf18("8","9","9","7","3","5","1") = "8"
    & skf18("8","9","9","7","3","6","1") = "8"
    & skf18("8","9","9","7","3","7","1") = "8"
    & skf18("8","9","9","7","3","8","1") = "8"
    & skf18("8","9","9","7","3","9","1") = "8"
    & skf18("8","9","9","7","3","10","1") = "9"
    & skf18("8","9","9","7","4","1","1") = "8"
    & skf18("8","9","9","7","4","2","1") = "8"
    & skf18("8","9","9","7","4","3","1") = "8"
    & skf18("8","9","9","7","4","4","1") = "8"
    & skf18("8","9","9","7","4","5","1") = "8"
    & skf18("8","9","9","7","4","6","1") = "8"
    & skf18("8","9","9","7","4","7","1") = "8"
    & skf18("8","9","9","7","4","8","1") = "8"
    & skf18("8","9","9","7","4","9","1") = "8"
    & skf18("8","9","9","7","4","10","1") = "9"
    & skf18("8","9","9","7","5","1","1") = "8"
    & skf18("8","9","9","7","5","2","1") = "8"
    & skf18("8","9","9","7","5","3","1") = "8"
    & skf18("8","9","9","7","5","4","1") = "8"
    & skf18("8","9","9","7","5","5","1") = "8"
    & skf18("8","9","9","7","5","6","1") = "8"
    & skf18("8","9","9","7","5","7","1") = "8"
    & skf18("8","9","9","7","5","8","1") = "8"
    & skf18("8","9","9","7","5","9","1") = "8"
    & skf18("8","9","9","7","5","10","1") = "9"
    & skf18("8","9","9","7","6","1","1") = "8"
    & skf18("8","9","9","7","6","2","1") = "8"
    & skf18("8","9","9","7","6","3","1") = "8"
    & skf18("8","9","9","7","6","4","1") = "8"
    & skf18("8","9","9","7","6","5","1") = "8"
    & skf18("8","9","9","7","6","6","1") = "8"
    & skf18("8","9","9","7","6","7","1") = "8"
    & skf18("8","9","9","7","6","8","1") = "8"
    & skf18("8","9","9","7","6","9","1") = "8"
    & skf18("8","9","9","7","6","10","1") = "9"
    & skf18("8","9","9","7","7","1","1") = "8"
    & skf18("8","9","9","7","7","2","1") = "8"
    & skf18("8","9","9","7","7","3","1") = "8"
    & skf18("8","9","9","7","7","4","1") = "8"
    & skf18("8","9","9","7","7","5","1") = "8"
    & skf18("8","9","9","7","7","6","1") = "8"
    & skf18("8","9","9","7","7","7","1") = "8"
    & skf18("8","9","9","7","7","8","1") = "8"
    & skf18("8","9","9","7","7","9","1") = "8"
    & skf18("8","9","9","7","7","10","1") = "9"
    & skf18("8","9","9","7","8","1","1") = "8"
    & skf18("8","9","9","7","8","2","1") = "8"
    & skf18("8","9","9","7","8","3","1") = "8"
    & skf18("8","9","9","7","8","4","1") = "8"
    & skf18("8","9","9","7","8","5","1") = "8"
    & skf18("8","9","9","7","8","6","1") = "8"
    & skf18("8","9","9","7","8","7","1") = "8"
    & skf18("8","9","9","7","8","8","1") = "8"
    & skf18("8","9","9","7","8","9","1") = "8"
    & skf18("8","9","9","7","8","10","1") = "9"
    & skf18("8","9","9","7","9","1","1") = "8"
    & skf18("8","9","9","7","9","2","1") = "8"
    & skf18("8","9","9","7","9","3","1") = "8"
    & skf18("8","9","9","7","9","4","1") = "8"
    & skf18("8","9","9","7","9","5","1") = "8"
    & skf18("8","9","9","7","9","6","1") = "8"
    & skf18("8","9","9","7","9","7","1") = "8"
    & skf18("8","9","9","7","9","8","1") = "8"
    & skf18("8","9","9","7","9","9","1") = "8"
    & skf18("8","9","9","7","9","10","1") = "9"
    & skf18("8","9","9","7","10","1","1") = "9"
    & skf18("8","9","9","7","10","2","1") = "9"
    & skf18("8","9","9","7","10","3","1") = "9"
    & skf18("8","9","9","7","10","4","1") = "9"
    & skf18("8","9","9","7","10","5","1") = "9"
    & skf18("8","9","9","7","10","6","1") = "9"
    & skf18("8","9","9","7","10","7","1") = "9"
    & skf18("8","9","9","7","10","8","1") = "9"
    & skf18("8","9","9","7","10","9","1") = "9"
    & skf18("8","9","9","7","10","10","1") = "9"
    & skf18("8","9","9","8","1","1","1") = "8"
    & skf18("8","9","9","8","1","2","1") = "8"
    & skf18("8","9","9","8","1","3","1") = "8"
    & skf18("8","9","9","8","1","4","1") = "8"
    & skf18("8","9","9","8","1","5","1") = "8"
    & skf18("8","9","9","8","1","6","1") = "8"
    & skf18("8","9","9","8","1","7","1") = "8"
    & skf18("8","9","9","8","1","8","1") = "8"
    & skf18("8","9","9","8","1","9","1") = "8"
    & skf18("8","9","9","8","1","10","1") = "9"
    & skf18("8","9","9","8","2","1","1") = "8"
    & skf18("8","9","9","8","2","2","1") = "8"
    & skf18("8","9","9","8","2","3","1") = "8"
    & skf18("8","9","9","8","2","4","1") = "8"
    & skf18("8","9","9","8","2","5","1") = "8"
    & skf18("8","9","9","8","2","6","1") = "8"
    & skf18("8","9","9","8","2","7","1") = "8"
    & skf18("8","9","9","8","2","8","1") = "8"
    & skf18("8","9","9","8","2","9","1") = "8"
    & skf18("8","9","9","8","2","10","1") = "9"
    & skf18("8","9","9","8","3","1","1") = "8"
    & skf18("8","9","9","8","3","2","1") = "8"
    & skf18("8","9","9","8","3","3","1") = "8"
    & skf18("8","9","9","8","3","4","1") = "8"
    & skf18("8","9","9","8","3","5","1") = "8"
    & skf18("8","9","9","8","3","6","1") = "8"
    & skf18("8","9","9","8","3","7","1") = "8"
    & skf18("8","9","9","8","3","8","1") = "8"
    & skf18("8","9","9","8","3","9","1") = "8"
    & skf18("8","9","9","8","3","10","1") = "9"
    & skf18("8","9","9","8","4","1","1") = "8"
    & skf18("8","9","9","8","4","2","1") = "8"
    & skf18("8","9","9","8","4","3","1") = "8"
    & skf18("8","9","9","8","4","4","1") = "8"
    & skf18("8","9","9","8","4","5","1") = "8"
    & skf18("8","9","9","8","4","6","1") = "8"
    & skf18("8","9","9","8","4","7","1") = "8"
    & skf18("8","9","9","8","4","8","1") = "8"
    & skf18("8","9","9","8","4","9","1") = "8"
    & skf18("8","9","9","8","4","10","1") = "9"
    & skf18("8","9","9","8","5","1","1") = "8"
    & skf18("8","9","9","8","5","2","1") = "8"
    & skf18("8","9","9","8","5","3","1") = "8"
    & skf18("8","9","9","8","5","4","1") = "8"
    & skf18("8","9","9","8","5","5","1") = "8"
    & skf18("8","9","9","8","5","6","1") = "8"
    & skf18("8","9","9","8","5","7","1") = "8"
    & skf18("8","9","9","8","5","8","1") = "8"
    & skf18("8","9","9","8","5","9","1") = "8"
    & skf18("8","9","9","8","5","10","1") = "9"
    & skf18("8","9","9","8","6","1","1") = "8"
    & skf18("8","9","9","8","6","2","1") = "8"
    & skf18("8","9","9","8","6","3","1") = "8"
    & skf18("8","9","9","8","6","4","1") = "8"
    & skf18("8","9","9","8","6","5","1") = "8"
    & skf18("8","9","9","8","6","6","1") = "8"
    & skf18("8","9","9","8","6","7","1") = "8"
    & skf18("8","9","9","8","6","8","1") = "8"
    & skf18("8","9","9","8","6","9","1") = "8"
    & skf18("8","9","9","8","6","10","1") = "9"
    & skf18("8","9","9","8","7","1","1") = "8"
    & skf18("8","9","9","8","7","2","1") = "8"
    & skf18("8","9","9","8","7","3","1") = "8"
    & skf18("8","9","9","8","7","4","1") = "8"
    & skf18("8","9","9","8","7","5","1") = "8"
    & skf18("8","9","9","8","7","6","1") = "8"
    & skf18("8","9","9","8","7","7","1") = "8"
    & skf18("8","9","9","8","7","8","1") = "8"
    & skf18("8","9","9","8","7","9","1") = "8"
    & skf18("8","9","9","8","7","10","1") = "9"
    & skf18("8","9","9","8","8","1","1") = "8"
    & skf18("8","9","9","8","8","2","1") = "8"
    & skf18("8","9","9","8","8","3","1") = "8"
    & skf18("8","9","9","8","8","4","1") = "8"
    & skf18("8","9","9","8","8","5","1") = "8"
    & skf18("8","9","9","8","8","6","1") = "8"
    & skf18("8","9","9","8","8","7","1") = "8"
    & skf18("8","9","9","8","8","8","1") = "8"
    & skf18("8","9","9","8","8","9","1") = "8"
    & skf18("8","9","9","8","8","10","1") = "9"
    & skf18("8","9","9","8","9","1","1") = "8"
    & skf18("8","9","9","8","9","2","1") = "8"
    & skf18("8","9","9","8","9","3","1") = "8"
    & skf18("8","9","9","8","9","4","1") = "8"
    & skf18("8","9","9","8","9","5","1") = "8"
    & skf18("8","9","9","8","9","6","1") = "8"
    & skf18("8","9","9","8","9","7","1") = "8"
    & skf18("8","9","9","8","9","8","1") = "8"
    & skf18("8","9","9","8","9","9","1") = "8"
    & skf18("8","9","9","8","9","10","1") = "9"
    & skf18("8","9","9","8","10","1","1") = "9"
    & skf18("8","9","9","8","10","2","1") = "9"
    & skf18("8","9","9","8","10","3","1") = "9"
    & skf18("8","9","9","8","10","4","1") = "9"
    & skf18("8","9","9","8","10","5","1") = "9"
    & skf18("8","9","9","8","10","6","1") = "9"
    & skf18("8","9","9","8","10","7","1") = "9"
    & skf18("8","9","9","8","10","8","1") = "9"
    & skf18("8","9","9","8","10","9","1") = "9"
    & skf18("8","9","9","8","10","10","1") = "9"
    & skf18("8","9","9","9","1","1","1") = "8"
    & skf18("8","9","9","9","1","2","1") = "8"
    & skf18("8","9","9","9","1","3","1") = "8"
    & skf18("8","9","9","9","1","4","1") = "8"
    & skf18("8","9","9","9","1","5","1") = "8"
    & skf18("8","9","9","9","1","6","1") = "8"
    & skf18("8","9","9","9","1","7","1") = "8"
    & skf18("8","9","9","9","1","8","1") = "8"
    & skf18("8","9","9","9","1","9","1") = "8"
    & skf18("8","9","9","9","1","10","1") = "9"
    & skf18("8","9","9","9","2","1","1") = "8"
    & skf18("8","9","9","9","2","2","1") = "8"
    & skf18("8","9","9","9","2","3","1") = "8"
    & skf18("8","9","9","9","2","4","1") = "8"
    & skf18("8","9","9","9","2","5","1") = "8"
    & skf18("8","9","9","9","2","6","1") = "8"
    & skf18("8","9","9","9","2","7","1") = "8"
    & skf18("8","9","9","9","2","8","1") = "8"
    & skf18("8","9","9","9","2","9","1") = "8"
    & skf18("8","9","9","9","2","10","1") = "9"
    & skf18("8","9","9","9","3","1","1") = "8"
    & skf18("8","9","9","9","3","2","1") = "8"
    & skf18("8","9","9","9","3","3","1") = "8"
    & skf18("8","9","9","9","3","4","1") = "8"
    & skf18("8","9","9","9","3","5","1") = "8"
    & skf18("8","9","9","9","3","6","1") = "8"
    & skf18("8","9","9","9","3","7","1") = "8"
    & skf18("8","9","9","9","3","8","1") = "8"
    & skf18("8","9","9","9","3","9","1") = "8"
    & skf18("8","9","9","9","3","10","1") = "9"
    & skf18("8","9","9","9","4","1","1") = "8"
    & skf18("8","9","9","9","4","2","1") = "8"
    & skf18("8","9","9","9","4","3","1") = "8"
    & skf18("8","9","9","9","4","4","1") = "8"
    & skf18("8","9","9","9","4","5","1") = "8"
    & skf18("8","9","9","9","4","6","1") = "8"
    & skf18("8","9","9","9","4","7","1") = "8"
    & skf18("8","9","9","9","4","8","1") = "8"
    & skf18("8","9","9","9","4","9","1") = "8"
    & skf18("8","9","9","9","4","10","1") = "9"
    & skf18("8","9","9","9","5","1","1") = "8"
    & skf18("8","9","9","9","5","2","1") = "8"
    & skf18("8","9","9","9","5","3","1") = "8"
    & skf18("8","9","9","9","5","4","1") = "8"
    & skf18("8","9","9","9","5","5","1") = "8"
    & skf18("8","9","9","9","5","6","1") = "8"
    & skf18("8","9","9","9","5","7","1") = "8"
    & skf18("8","9","9","9","5","8","1") = "8"
    & skf18("8","9","9","9","5","9","1") = "8"
    & skf18("8","9","9","9","5","10","1") = "9"
    & skf18("8","9","9","9","6","1","1") = "8"
    & skf18("8","9","9","9","6","2","1") = "8"
    & skf18("8","9","9","9","6","3","1") = "8"
    & skf18("8","9","9","9","6","4","1") = "8"
    & skf18("8","9","9","9","6","5","1") = "8"
    & skf18("8","9","9","9","6","6","1") = "8"
    & skf18("8","9","9","9","6","7","1") = "8"
    & skf18("8","9","9","9","6","8","1") = "8"
    & skf18("8","9","9","9","6","9","1") = "8"
    & skf18("8","9","9","9","6","10","1") = "9"
    & skf18("8","9","9","9","7","1","1") = "8"
    & skf18("8","9","9","9","7","2","1") = "8"
    & skf18("8","9","9","9","7","3","1") = "8"
    & skf18("8","9","9","9","7","4","1") = "8"
    & skf18("8","9","9","9","7","5","1") = "8"
    & skf18("8","9","9","9","7","6","1") = "8"
    & skf18("8","9","9","9","7","7","1") = "8"
    & skf18("8","9","9","9","7","8","1") = "8"
    & skf18("8","9","9","9","7","9","1") = "8"
    & skf18("8","9","9","9","7","10","1") = "9"
    & skf18("8","9","9","9","8","1","1") = "8"
    & skf18("8","9","9","9","8","2","1") = "8"
    & skf18("8","9","9","9","8","3","1") = "8"
    & skf18("8","9","9","9","8","4","1") = "8"
    & skf18("8","9","9","9","8","5","1") = "8"
    & skf18("8","9","9","9","8","6","1") = "8"
    & skf18("8","9","9","9","8","7","1") = "8"
    & skf18("8","9","9","9","8","8","1") = "8"
    & skf18("8","9","9","9","8","9","1") = "8"
    & skf18("8","9","9","9","8","10","1") = "9"
    & skf18("8","9","9","9","9","1","1") = "8"
    & skf18("8","9","9","9","9","2","1") = "8"
    & skf18("8","9","9","9","9","3","1") = "8"
    & skf18("8","9","9","9","9","4","1") = "8"
    & skf18("8","9","9","9","9","5","1") = "8"
    & skf18("8","9","9","9","9","6","1") = "8"
    & skf18("8","9","9","9","9","7","1") = "8"
    & skf18("8","9","9","9","9","8","1") = "8"
    & skf18("8","9","9","9","9","9","1") = "8"
    & skf18("8","9","9","9","9","10","1") = "9"
    & skf18("8","9","9","9","10","1","1") = "9"
    & skf18("8","9","9","9","10","2","1") = "9"
    & skf18("8","9","9","9","10","3","1") = "9"
    & skf18("8","9","9","9","10","4","1") = "9"
    & skf18("8","9","9","9","10","5","1") = "9"
    & skf18("8","9","9","9","10","6","1") = "9"
    & skf18("8","9","9","9","10","7","1") = "9"
    & skf18("8","9","9","9","10","8","1") = "9"
    & skf18("8","9","9","9","10","9","1") = "9"
    & skf18("8","9","9","9","10","10","1") = "9"
    & skf18("8","9","9","10","1","1","1") = "9"
    & skf18("8","9","9","10","1","2","1") = "9"
    & skf18("8","9","9","10","1","3","1") = "9"
    & skf18("8","9","9","10","1","4","1") = "9"
    & skf18("8","9","9","10","1","5","1") = "9"
    & skf18("8","9","9","10","1","6","1") = "9"
    & skf18("8","9","9","10","1","7","1") = "9"
    & skf18("8","9","9","10","1","8","1") = "9"
    & skf18("8","9","9","10","1","9","1") = "9"
    & skf18("8","9","9","10","1","10","1") = "9"
    & skf18("8","9","9","10","2","1","1") = "9"
    & skf18("8","9","9","10","2","2","1") = "9"
    & skf18("8","9","9","10","2","3","1") = "9"
    & skf18("8","9","9","10","2","4","1") = "9"
    & skf18("8","9","9","10","2","5","1") = "9"
    & skf18("8","9","9","10","2","6","1") = "9"
    & skf18("8","9","9","10","2","7","1") = "9"
    & skf18("8","9","9","10","2","8","1") = "9"
    & skf18("8","9","9","10","2","9","1") = "9"
    & skf18("8","9","9","10","2","10","1") = "9"
    & skf18("8","9","9","10","3","1","1") = "9"
    & skf18("8","9","9","10","3","2","1") = "9"
    & skf18("8","9","9","10","3","3","1") = "9"
    & skf18("8","9","9","10","3","4","1") = "9"
    & skf18("8","9","9","10","3","5","1") = "9"
    & skf18("8","9","9","10","3","6","1") = "9"
    & skf18("8","9","9","10","3","7","1") = "9"
    & skf18("8","9","9","10","3","8","1") = "9"
    & skf18("8","9","9","10","3","9","1") = "9"
    & skf18("8","9","9","10","3","10","1") = "9"
    & skf18("8","9","9","10","4","1","1") = "9"
    & skf18("8","9","9","10","4","2","1") = "9"
    & skf18("8","9","9","10","4","3","1") = "9"
    & skf18("8","9","9","10","4","4","1") = "9"
    & skf18("8","9","9","10","4","5","1") = "9"
    & skf18("8","9","9","10","4","6","1") = "9"
    & skf18("8","9","9","10","4","7","1") = "9"
    & skf18("8","9","9","10","4","8","1") = "9"
    & skf18("8","9","9","10","4","9","1") = "9"
    & skf18("8","9","9","10","4","10","1") = "9"
    & skf18("8","9","9","10","5","1","1") = "9"
    & skf18("8","9","9","10","5","2","1") = "9"
    & skf18("8","9","9","10","5","3","1") = "9"
    & skf18("8","9","9","10","5","4","1") = "9"
    & skf18("8","9","9","10","5","5","1") = "9"
    & skf18("8","9","9","10","5","6","1") = "9"
    & skf18("8","9","9","10","5","7","1") = "9"
    & skf18("8","9","9","10","5","8","1") = "9"
    & skf18("8","9","9","10","5","9","1") = "9"
    & skf18("8","9","9","10","5","10","1") = "9"
    & skf18("8","9","9","10","6","1","1") = "9"
    & skf18("8","9","9","10","6","2","1") = "9"
    & skf18("8","9","9","10","6","3","1") = "9"
    & skf18("8","9","9","10","6","4","1") = "9"
    & skf18("8","9","9","10","6","5","1") = "9"
    & skf18("8","9","9","10","6","6","1") = "9"
    & skf18("8","9","9","10","6","7","1") = "9"
    & skf18("8","9","9","10","6","8","1") = "9"
    & skf18("8","9","9","10","6","9","1") = "9"
    & skf18("8","9","9","10","6","10","1") = "9"
    & skf18("8","9","9","10","7","1","1") = "9"
    & skf18("8","9","9","10","7","2","1") = "9"
    & skf18("8","9","9","10","7","3","1") = "9"
    & skf18("8","9","9","10","7","4","1") = "9"
    & skf18("8","9","9","10","7","5","1") = "9"
    & skf18("8","9","9","10","7","6","1") = "9"
    & skf18("8","9","9","10","7","7","1") = "9"
    & skf18("8","9","9","10","7","8","1") = "9"
    & skf18("8","9","9","10","7","9","1") = "9"
    & skf18("8","9","9","10","7","10","1") = "9"
    & skf18("8","9","9","10","8","1","1") = "9"
    & skf18("8","9","9","10","8","2","1") = "9"
    & skf18("8","9","9","10","8","3","1") = "9"
    & skf18("8","9","9","10","8","4","1") = "9"
    & skf18("8","9","9","10","8","5","1") = "9"
    & skf18("8","9","9","10","8","6","1") = "9"
    & skf18("8","9","9","10","8","7","1") = "9"
    & skf18("8","9","9","10","8","8","1") = "9"
    & skf18("8","9","9","10","8","9","1") = "9"
    & skf18("8","9","9","10","8","10","1") = "9"
    & skf18("8","9","9","10","9","1","1") = "9"
    & skf18("8","9","9","10","9","2","1") = "9"
    & skf18("8","9","9","10","9","3","1") = "9"
    & skf18("8","9","9","10","9","4","1") = "9"
    & skf18("8","9","9","10","9","5","1") = "9"
    & skf18("8","9","9","10","9","6","1") = "9"
    & skf18("8","9","9","10","9","7","1") = "9"
    & skf18("8","9","9","10","9","8","1") = "9"
    & skf18("8","9","9","10","9","9","1") = "9"
    & skf18("8","9","9","10","9","10","1") = "9"
    & skf18("8","9","9","10","10","1","1") = "9"
    & skf18("8","9","9","10","10","2","1") = "9"
    & skf18("8","9","9","10","10","3","1") = "9"
    & skf18("8","9","9","10","10","4","1") = "9"
    & skf18("8","9","9","10","10","5","1") = "9"
    & skf18("8","9","9","10","10","6","1") = "9"
    & skf18("8","9","9","10","10","7","1") = "9"
    & skf18("8","9","9","10","10","8","1") = "9"
    & skf18("8","9","9","10","10","9","1") = "9"
    & skf18("8","9","9","10","10","10","1") = "9"
    & skf18("8","9","10","1","1","1","1") = "9"
    & skf18("8","9","10","1","1","2","1") = "9"
    & skf18("8","9","10","1","1","3","1") = "9"
    & skf18("8","9","10","1","1","4","1") = "9"
    & skf18("8","9","10","1","1","5","1") = "9"
    & skf18("8","9","10","1","1","6","1") = "9"
    & skf18("8","9","10","1","1","7","1") = "9"
    & skf18("8","9","10","1","1","8","1") = "9"
    & skf18("8","9","10","1","1","9","1") = "9"
    & skf18("8","9","10","1","1","10","1") = "9"
    & skf18("8","9","10","1","2","1","1") = "9"
    & skf18("8","9","10","1","2","2","1") = "9"
    & skf18("8","9","10","1","2","3","1") = "9"
    & skf18("8","9","10","1","2","4","1") = "9"
    & skf18("8","9","10","1","2","5","1") = "9"
    & skf18("8","9","10","1","2","6","1") = "9"
    & skf18("8","9","10","1","2","7","1") = "9"
    & skf18("8","9","10","1","2","8","1") = "9"
    & skf18("8","9","10","1","2","9","1") = "9"
    & skf18("8","9","10","1","2","10","1") = "9"
    & skf18("8","9","10","1","3","1","1") = "9"
    & skf18("8","9","10","1","3","2","1") = "9"
    & skf18("8","9","10","1","3","3","1") = "9"
    & skf18("8","9","10","1","3","4","1") = "9"
    & skf18("8","9","10","1","3","5","1") = "9"
    & skf18("8","9","10","1","3","6","1") = "9"
    & skf18("8","9","10","1","3","7","1") = "9"
    & skf18("8","9","10","1","3","8","1") = "9"
    & skf18("8","9","10","1","3","9","1") = "9"
    & skf18("8","9","10","1","3","10","1") = "9"
    & skf18("8","9","10","1","4","1","1") = "9"
    & skf18("8","9","10","1","4","2","1") = "9"
    & skf18("8","9","10","1","4","3","1") = "9"
    & skf18("8","9","10","1","4","4","1") = "9"
    & skf18("8","9","10","1","4","5","1") = "9"
    & skf18("8","9","10","1","4","6","1") = "9"
    & skf18("8","9","10","1","4","7","1") = "9"
    & skf18("8","9","10","1","4","8","1") = "9"
    & skf18("8","9","10","1","4","9","1") = "9"
    & skf18("8","9","10","1","4","10","1") = "9"
    & skf18("8","9","10","1","5","1","1") = "9"
    & skf18("8","9","10","1","5","2","1") = "9"
    & skf18("8","9","10","1","5","3","1") = "9"
    & skf18("8","9","10","1","5","4","1") = "9"
    & skf18("8","9","10","1","5","5","1") = "9"
    & skf18("8","9","10","1","5","6","1") = "9"
    & skf18("8","9","10","1","5","7","1") = "9"
    & skf18("8","9","10","1","5","8","1") = "9"
    & skf18("8","9","10","1","5","9","1") = "9"
    & skf18("8","9","10","1","5","10","1") = "9"
    & skf18("8","9","10","1","6","1","1") = "9"
    & skf18("8","9","10","1","6","2","1") = "9"
    & skf18("8","9","10","1","6","3","1") = "9"
    & skf18("8","9","10","1","6","4","1") = "9"
    & skf18("8","9","10","1","6","5","1") = "9"
    & skf18("8","9","10","1","6","6","1") = "9"
    & skf18("8","9","10","1","6","7","1") = "9"
    & skf18("8","9","10","1","6","8","1") = "9"
    & skf18("8","9","10","1","6","9","1") = "9"
    & skf18("8","9","10","1","6","10","1") = "9"
    & skf18("8","9","10","1","7","1","1") = "9"
    & skf18("8","9","10","1","7","2","1") = "9"
    & skf18("8","9","10","1","7","3","1") = "9"
    & skf18("8","9","10","1","7","4","1") = "9"
    & skf18("8","9","10","1","7","5","1") = "9"
    & skf18("8","9","10","1","7","6","1") = "9"
    & skf18("8","9","10","1","7","7","1") = "9"
    & skf18("8","9","10","1","7","8","1") = "9"
    & skf18("8","9","10","1","7","9","1") = "9"
    & skf18("8","9","10","1","7","10","1") = "9"
    & skf18("8","9","10","1","8","1","1") = "9"
    & skf18("8","9","10","1","8","2","1") = "9"
    & skf18("8","9","10","1","8","3","1") = "9"
    & skf18("8","9","10","1","8","4","1") = "9"
    & skf18("8","9","10","1","8","5","1") = "9"
    & skf18("8","9","10","1","8","6","1") = "9"
    & skf18("8","9","10","1","8","7","1") = "9"
    & skf18("8","9","10","1","8","8","1") = "9"
    & skf18("8","9","10","1","8","9","1") = "9"
    & skf18("8","9","10","1","8","10","1") = "9"
    & skf18("8","9","10","1","9","1","1") = "9"
    & skf18("8","9","10","1","9","2","1") = "9"
    & skf18("8","9","10","1","9","3","1") = "9"
    & skf18("8","9","10","1","9","4","1") = "9"
    & skf18("8","9","10","1","9","5","1") = "9"
    & skf18("8","9","10","1","9","6","1") = "9"
    & skf18("8","9","10","1","9","7","1") = "9"
    & skf18("8","9","10","1","9","8","1") = "9"
    & skf18("8","9","10","1","9","9","1") = "9"
    & skf18("8","9","10","1","9","10","1") = "9"
    & skf18("8","9","10","1","10","1","1") = "9"
    & skf18("8","9","10","1","10","2","1") = "9"
    & skf18("8","9","10","1","10","3","1") = "9"
    & skf18("8","9","10","1","10","4","1") = "9"
    & skf18("8","9","10","1","10","5","1") = "9"
    & skf18("8","9","10","1","10","6","1") = "9"
    & skf18("8","9","10","1","10","7","1") = "9"
    & skf18("8","9","10","1","10","8","1") = "9"
    & skf18("8","9","10","1","10","9","1") = "9"
    & skf18("8","9","10","1","10","10","1") = "9"
    & skf18("8","9","10","2","1","1","1") = "9"
    & skf18("8","9","10","2","1","2","1") = "9"
    & skf18("8","9","10","2","1","3","1") = "9"
    & skf18("8","9","10","2","1","4","1") = "9"
    & skf18("8","9","10","2","1","5","1") = "9"
    & skf18("8","9","10","2","1","6","1") = "9"
    & skf18("8","9","10","2","1","7","1") = "9"
    & skf18("8","9","10","2","1","8","1") = "9"
    & skf18("8","9","10","2","1","9","1") = "9"
    & skf18("8","9","10","2","1","10","1") = "9"
    & skf18("8","9","10","2","2","1","1") = "9"
    & skf18("8","9","10","2","2","2","1") = "9"
    & skf18("8","9","10","2","2","3","1") = "9"
    & skf18("8","9","10","2","2","4","1") = "9"
    & skf18("8","9","10","2","2","5","1") = "9"
    & skf18("8","9","10","2","2","6","1") = "9"
    & skf18("8","9","10","2","2","7","1") = "9"
    & skf18("8","9","10","2","2","8","1") = "9"
    & skf18("8","9","10","2","2","9","1") = "9"
    & skf18("8","9","10","2","2","10","1") = "9"
    & skf18("8","9","10","2","3","1","1") = "9"
    & skf18("8","9","10","2","3","2","1") = "9"
    & skf18("8","9","10","2","3","3","1") = "9"
    & skf18("8","9","10","2","3","4","1") = "9"
    & skf18("8","9","10","2","3","5","1") = "9"
    & skf18("8","9","10","2","3","6","1") = "9"
    & skf18("8","9","10","2","3","7","1") = "9"
    & skf18("8","9","10","2","3","8","1") = "9"
    & skf18("8","9","10","2","3","9","1") = "9"
    & skf18("8","9","10","2","3","10","1") = "9"
    & skf18("8","9","10","2","4","1","1") = "9"
    & skf18("8","9","10","2","4","2","1") = "9"
    & skf18("8","9","10","2","4","3","1") = "9"
    & skf18("8","9","10","2","4","4","1") = "9"
    & skf18("8","9","10","2","4","5","1") = "9"
    & skf18("8","9","10","2","4","6","1") = "9"
    & skf18("8","9","10","2","4","7","1") = "9"
    & skf18("8","9","10","2","4","8","1") = "9"
    & skf18("8","9","10","2","4","9","1") = "9"
    & skf18("8","9","10","2","4","10","1") = "9"
    & skf18("8","9","10","2","5","1","1") = "9"
    & skf18("8","9","10","2","5","2","1") = "9"
    & skf18("8","9","10","2","5","3","1") = "9"
    & skf18("8","9","10","2","5","4","1") = "9"
    & skf18("8","9","10","2","5","5","1") = "9"
    & skf18("8","9","10","2","5","6","1") = "9"
    & skf18("8","9","10","2","5","7","1") = "9"
    & skf18("8","9","10","2","5","8","1") = "9"
    & skf18("8","9","10","2","5","9","1") = "9"
    & skf18("8","9","10","2","5","10","1") = "9"
    & skf18("8","9","10","2","6","1","1") = "9"
    & skf18("8","9","10","2","6","2","1") = "9"
    & skf18("8","9","10","2","6","3","1") = "9"
    & skf18("8","9","10","2","6","4","1") = "9"
    & skf18("8","9","10","2","6","5","1") = "9"
    & skf18("8","9","10","2","6","6","1") = "9"
    & skf18("8","9","10","2","6","7","1") = "9"
    & skf18("8","9","10","2","6","8","1") = "9"
    & skf18("8","9","10","2","6","9","1") = "9"
    & skf18("8","9","10","2","6","10","1") = "9"
    & skf18("8","9","10","2","7","1","1") = "9"
    & skf18("8","9","10","2","7","2","1") = "9"
    & skf18("8","9","10","2","7","3","1") = "9"
    & skf18("8","9","10","2","7","4","1") = "9"
    & skf18("8","9","10","2","7","5","1") = "9"
    & skf18("8","9","10","2","7","6","1") = "9"
    & skf18("8","9","10","2","7","7","1") = "9"
    & skf18("8","9","10","2","7","8","1") = "9"
    & skf18("8","9","10","2","7","9","1") = "9"
    & skf18("8","9","10","2","7","10","1") = "9"
    & skf18("8","9","10","2","8","1","1") = "9"
    & skf18("8","9","10","2","8","2","1") = "9"
    & skf18("8","9","10","2","8","3","1") = "9"
    & skf18("8","9","10","2","8","4","1") = "9"
    & skf18("8","9","10","2","8","5","1") = "9"
    & skf18("8","9","10","2","8","6","1") = "9"
    & skf18("8","9","10","2","8","7","1") = "9"
    & skf18("8","9","10","2","8","8","1") = "9"
    & skf18("8","9","10","2","8","9","1") = "9"
    & skf18("8","9","10","2","8","10","1") = "9"
    & skf18("8","9","10","2","9","1","1") = "9"
    & skf18("8","9","10","2","9","2","1") = "9"
    & skf18("8","9","10","2","9","3","1") = "9"
    & skf18("8","9","10","2","9","4","1") = "9"
    & skf18("8","9","10","2","9","5","1") = "9"
    & skf18("8","9","10","2","9","6","1") = "9"
    & skf18("8","9","10","2","9","7","1") = "9"
    & skf18("8","9","10","2","9","8","1") = "9"
    & skf18("8","9","10","2","9","9","1") = "9"
    & skf18("8","9","10","2","9","10","1") = "9"
    & skf18("8","9","10","2","10","1","1") = "9"
    & skf18("8","9","10","2","10","2","1") = "9"
    & skf18("8","9","10","2","10","3","1") = "9"
    & skf18("8","9","10","2","10","4","1") = "9"
    & skf18("8","9","10","2","10","5","1") = "9"
    & skf18("8","9","10","2","10","6","1") = "9"
    & skf18("8","9","10","2","10","7","1") = "9"
    & skf18("8","9","10","2","10","8","1") = "9"
    & skf18("8","9","10","2","10","9","1") = "9"
    & skf18("8","9","10","2","10","10","1") = "9"
    & skf18("8","9","10","3","1","1","1") = "9"
    & skf18("8","9","10","3","1","2","1") = "9"
    & skf18("8","9","10","3","1","3","1") = "9"
    & skf18("8","9","10","3","1","4","1") = "9"
    & skf18("8","9","10","3","1","5","1") = "9"
    & skf18("8","9","10","3","1","6","1") = "9"
    & skf18("8","9","10","3","1","7","1") = "9"
    & skf18("8","9","10","3","1","8","1") = "9"
    & skf18("8","9","10","3","1","9","1") = "9"
    & skf18("8","9","10","3","1","10","1") = "9"
    & skf18("8","9","10","3","2","1","1") = "9"
    & skf18("8","9","10","3","2","2","1") = "9"
    & skf18("8","9","10","3","2","3","1") = "9"
    & skf18("8","9","10","3","2","4","1") = "9"
    & skf18("8","9","10","3","2","5","1") = "9"
    & skf18("8","9","10","3","2","6","1") = "9"
    & skf18("8","9","10","3","2","7","1") = "9"
    & skf18("8","9","10","3","2","8","1") = "9"
    & skf18("8","9","10","3","2","9","1") = "9"
    & skf18("8","9","10","3","2","10","1") = "9"
    & skf18("8","9","10","3","3","1","1") = "9"
    & skf18("8","9","10","3","3","2","1") = "9"
    & skf18("8","9","10","3","3","3","1") = "9"
    & skf18("8","9","10","3","3","4","1") = "9"
    & skf18("8","9","10","3","3","5","1") = "9"
    & skf18("8","9","10","3","3","6","1") = "9"
    & skf18("8","9","10","3","3","7","1") = "9"
    & skf18("8","9","10","3","3","8","1") = "9"
    & skf18("8","9","10","3","3","9","1") = "9"
    & skf18("8","9","10","3","3","10","1") = "9"
    & skf18("8","9","10","3","4","1","1") = "9"
    & skf18("8","9","10","3","4","2","1") = "9"
    & skf18("8","9","10","3","4","3","1") = "9"
    & skf18("8","9","10","3","4","4","1") = "9"
    & skf18("8","9","10","3","4","5","1") = "9"
    & skf18("8","9","10","3","4","6","1") = "9"
    & skf18("8","9","10","3","4","7","1") = "9"
    & skf18("8","9","10","3","4","8","1") = "9"
    & skf18("8","9","10","3","4","9","1") = "9"
    & skf18("8","9","10","3","4","10","1") = "9"
    & skf18("8","9","10","3","5","1","1") = "9"
    & skf18("8","9","10","3","5","2","1") = "9"
    & skf18("8","9","10","3","5","3","1") = "9"
    & skf18("8","9","10","3","5","4","1") = "9"
    & skf18("8","9","10","3","5","5","1") = "9"
    & skf18("8","9","10","3","5","6","1") = "9"
    & skf18("8","9","10","3","5","7","1") = "9"
    & skf18("8","9","10","3","5","8","1") = "9"
    & skf18("8","9","10","3","5","9","1") = "9"
    & skf18("8","9","10","3","5","10","1") = "9"
    & skf18("8","9","10","3","6","1","1") = "9"
    & skf18("8","9","10","3","6","2","1") = "9"
    & skf18("8","9","10","3","6","3","1") = "9"
    & skf18("8","9","10","3","6","4","1") = "9"
    & skf18("8","9","10","3","6","5","1") = "9"
    & skf18("8","9","10","3","6","6","1") = "9"
    & skf18("8","9","10","3","6","7","1") = "9"
    & skf18("8","9","10","3","6","8","1") = "9"
    & skf18("8","9","10","3","6","9","1") = "9"
    & skf18("8","9","10","3","6","10","1") = "9"
    & skf18("8","9","10","3","7","1","1") = "9"
    & skf18("8","9","10","3","7","2","1") = "9"
    & skf18("8","9","10","3","7","3","1") = "9"
    & skf18("8","9","10","3","7","4","1") = "9"
    & skf18("8","9","10","3","7","5","1") = "9"
    & skf18("8","9","10","3","7","6","1") = "9"
    & skf18("8","9","10","3","7","7","1") = "9"
    & skf18("8","9","10","3","7","8","1") = "9"
    & skf18("8","9","10","3","7","9","1") = "9"
    & skf18("8","9","10","3","7","10","1") = "9"
    & skf18("8","9","10","3","8","1","1") = "9"
    & skf18("8","9","10","3","8","2","1") = "9"
    & skf18("8","9","10","3","8","3","1") = "9"
    & skf18("8","9","10","3","8","4","1") = "9"
    & skf18("8","9","10","3","8","5","1") = "9"
    & skf18("8","9","10","3","8","6","1") = "9"
    & skf18("8","9","10","3","8","7","1") = "9"
    & skf18("8","9","10","3","8","8","1") = "9"
    & skf18("8","9","10","3","8","9","1") = "9"
    & skf18("8","9","10","3","8","10","1") = "9"
    & skf18("8","9","10","3","9","1","1") = "9"
    & skf18("8","9","10","3","9","2","1") = "9"
    & skf18("8","9","10","3","9","3","1") = "9"
    & skf18("8","9","10","3","9","4","1") = "9"
    & skf18("8","9","10","3","9","5","1") = "9"
    & skf18("8","9","10","3","9","6","1") = "9"
    & skf18("8","9","10","3","9","7","1") = "9"
    & skf18("8","9","10","3","9","8","1") = "9"
    & skf18("8","9","10","3","9","9","1") = "9"
    & skf18("8","9","10","3","9","10","1") = "9"
    & skf18("8","9","10","3","10","1","1") = "9"
    & skf18("8","9","10","3","10","2","1") = "9"
    & skf18("8","9","10","3","10","3","1") = "9"
    & skf18("8","9","10","3","10","4","1") = "9"
    & skf18("8","9","10","3","10","5","1") = "9"
    & skf18("8","9","10","3","10","6","1") = "9"
    & skf18("8","9","10","3","10","7","1") = "9"
    & skf18("8","9","10","3","10","8","1") = "9"
    & skf18("8","9","10","3","10","9","1") = "9"
    & skf18("8","9","10","3","10","10","1") = "9"
    & skf18("8","9","10","4","1","1","1") = "9"
    & skf18("8","9","10","4","1","2","1") = "9"
    & skf18("8","9","10","4","1","3","1") = "9"
    & skf18("8","9","10","4","1","4","1") = "9"
    & skf18("8","9","10","4","1","5","1") = "9"
    & skf18("8","9","10","4","1","6","1") = "9"
    & skf18("8","9","10","4","1","7","1") = "9"
    & skf18("8","9","10","4","1","8","1") = "9"
    & skf18("8","9","10","4","1","9","1") = "9"
    & skf18("8","9","10","4","1","10","1") = "9"
    & skf18("8","9","10","4","2","1","1") = "9"
    & skf18("8","9","10","4","2","2","1") = "9"
    & skf18("8","9","10","4","2","3","1") = "9"
    & skf18("8","9","10","4","2","4","1") = "9"
    & skf18("8","9","10","4","2","5","1") = "9"
    & skf18("8","9","10","4","2","6","1") = "9"
    & skf18("8","9","10","4","2","7","1") = "9"
    & skf18("8","9","10","4","2","8","1") = "9"
    & skf18("8","9","10","4","2","9","1") = "9"
    & skf18("8","9","10","4","2","10","1") = "9"
    & skf18("8","9","10","4","3","1","1") = "9"
    & skf18("8","9","10","4","3","2","1") = "9"
    & skf18("8","9","10","4","3","3","1") = "9"
    & skf18("8","9","10","4","3","4","1") = "9"
    & skf18("8","9","10","4","3","5","1") = "9"
    & skf18("8","9","10","4","3","6","1") = "9"
    & skf18("8","9","10","4","3","7","1") = "9"
    & skf18("8","9","10","4","3","8","1") = "9"
    & skf18("8","9","10","4","3","9","1") = "9"
    & skf18("8","9","10","4","3","10","1") = "9"
    & skf18("8","9","10","4","4","1","1") = "9"
    & skf18("8","9","10","4","4","2","1") = "9"
    & skf18("8","9","10","4","4","3","1") = "9"
    & skf18("8","9","10","4","4","4","1") = "9"
    & skf18("8","9","10","4","4","5","1") = "9"
    & skf18("8","9","10","4","4","6","1") = "9"
    & skf18("8","9","10","4","4","7","1") = "9"
    & skf18("8","9","10","4","4","8","1") = "9"
    & skf18("8","9","10","4","4","9","1") = "9"
    & skf18("8","9","10","4","4","10","1") = "9"
    & skf18("8","9","10","4","5","1","1") = "9"
    & skf18("8","9","10","4","5","2","1") = "9"
    & skf18("8","9","10","4","5","3","1") = "9"
    & skf18("8","9","10","4","5","4","1") = "9"
    & skf18("8","9","10","4","5","5","1") = "9"
    & skf18("8","9","10","4","5","6","1") = "9"
    & skf18("8","9","10","4","5","7","1") = "9"
    & skf18("8","9","10","4","5","8","1") = "9"
    & skf18("8","9","10","4","5","9","1") = "9"
    & skf18("8","9","10","4","5","10","1") = "9"
    & skf18("8","9","10","4","6","1","1") = "9"
    & skf18("8","9","10","4","6","2","1") = "9"
    & skf18("8","9","10","4","6","3","1") = "9"
    & skf18("8","9","10","4","6","4","1") = "9"
    & skf18("8","9","10","4","6","5","1") = "9"
    & skf18("8","9","10","4","6","6","1") = "9"
    & skf18("8","9","10","4","6","7","1") = "9"
    & skf18("8","9","10","4","6","8","1") = "9"
    & skf18("8","9","10","4","6","9","1") = "9"
    & skf18("8","9","10","4","6","10","1") = "9"
    & skf18("8","9","10","4","7","1","1") = "9"
    & skf18("8","9","10","4","7","2","1") = "9"
    & skf18("8","9","10","4","7","3","1") = "9"
    & skf18("8","9","10","4","7","4","1") = "9"
    & skf18("8","9","10","4","7","5","1") = "9"
    & skf18("8","9","10","4","7","6","1") = "9"
    & skf18("8","9","10","4","7","7","1") = "9"
    & skf18("8","9","10","4","7","8","1") = "9"
    & skf18("8","9","10","4","7","9","1") = "9"
    & skf18("8","9","10","4","7","10","1") = "9"
    & skf18("8","9","10","4","8","1","1") = "9"
    & skf18("8","9","10","4","8","2","1") = "9"
    & skf18("8","9","10","4","8","3","1") = "9"
    & skf18("8","9","10","4","8","4","1") = "9"
    & skf18("8","9","10","4","8","5","1") = "9"
    & skf18("8","9","10","4","8","6","1") = "9"
    & skf18("8","9","10","4","8","7","1") = "9"
    & skf18("8","9","10","4","8","8","1") = "9"
    & skf18("8","9","10","4","8","9","1") = "9"
    & skf18("8","9","10","4","8","10","1") = "9"
    & skf18("8","9","10","4","9","1","1") = "9"
    & skf18("8","9","10","4","9","2","1") = "9"
    & skf18("8","9","10","4","9","3","1") = "9"
    & skf18("8","9","10","4","9","4","1") = "9"
    & skf18("8","9","10","4","9","5","1") = "9"
    & skf18("8","9","10","4","9","6","1") = "9"
    & skf18("8","9","10","4","9","7","1") = "9"
    & skf18("8","9","10","4","9","8","1") = "9"
    & skf18("8","9","10","4","9","9","1") = "9"
    & skf18("8","9","10","4","9","10","1") = "9"
    & skf18("8","9","10","4","10","1","1") = "9"
    & skf18("8","9","10","4","10","2","1") = "9"
    & skf18("8","9","10","4","10","3","1") = "9"
    & skf18("8","9","10","4","10","4","1") = "9"
    & skf18("8","9","10","4","10","5","1") = "9"
    & skf18("8","9","10","4","10","6","1") = "9"
    & skf18("8","9","10","4","10","7","1") = "9"
    & skf18("8","9","10","4","10","8","1") = "9"
    & skf18("8","9","10","4","10","9","1") = "9"
    & skf18("8","9","10","4","10","10","1") = "9"
    & skf18("8","9","10","5","1","1","1") = "9"
    & skf18("8","9","10","5","1","2","1") = "9"
    & skf18("8","9","10","5","1","3","1") = "9"
    & skf18("8","9","10","5","1","4","1") = "9"
    & skf18("8","9","10","5","1","5","1") = "9"
    & skf18("8","9","10","5","1","6","1") = "9"
    & skf18("8","9","10","5","1","7","1") = "9"
    & skf18("8","9","10","5","1","8","1") = "9"
    & skf18("8","9","10","5","1","9","1") = "9"
    & skf18("8","9","10","5","1","10","1") = "9"
    & skf18("8","9","10","5","2","1","1") = "9"
    & skf18("8","9","10","5","2","2","1") = "9"
    & skf18("8","9","10","5","2","3","1") = "9"
    & skf18("8","9","10","5","2","4","1") = "9"
    & skf18("8","9","10","5","2","5","1") = "9"
    & skf18("8","9","10","5","2","6","1") = "9"
    & skf18("8","9","10","5","2","7","1") = "9"
    & skf18("8","9","10","5","2","8","1") = "9"
    & skf18("8","9","10","5","2","9","1") = "9"
    & skf18("8","9","10","5","2","10","1") = "9"
    & skf18("8","9","10","5","3","1","1") = "9"
    & skf18("8","9","10","5","3","2","1") = "9"
    & skf18("8","9","10","5","3","3","1") = "9"
    & skf18("8","9","10","5","3","4","1") = "9"
    & skf18("8","9","10","5","3","5","1") = "9"
    & skf18("8","9","10","5","3","6","1") = "9"
    & skf18("8","9","10","5","3","7","1") = "9"
    & skf18("8","9","10","5","3","8","1") = "9"
    & skf18("8","9","10","5","3","9","1") = "9"
    & skf18("8","9","10","5","3","10","1") = "9"
    & skf18("8","9","10","5","4","1","1") = "9"
    & skf18("8","9","10","5","4","2","1") = "9"
    & skf18("8","9","10","5","4","3","1") = "9"
    & skf18("8","9","10","5","4","4","1") = "9"
    & skf18("8","9","10","5","4","5","1") = "9"
    & skf18("8","9","10","5","4","6","1") = "9"
    & skf18("8","9","10","5","4","7","1") = "9"
    & skf18("8","9","10","5","4","8","1") = "9"
    & skf18("8","9","10","5","4","9","1") = "9"
    & skf18("8","9","10","5","4","10","1") = "9"
    & skf18("8","9","10","5","5","1","1") = "9"
    & skf18("8","9","10","5","5","2","1") = "9"
    & skf18("8","9","10","5","5","3","1") = "9"
    & skf18("8","9","10","5","5","4","1") = "9"
    & skf18("8","9","10","5","5","5","1") = "9"
    & skf18("8","9","10","5","5","6","1") = "9"
    & skf18("8","9","10","5","5","7","1") = "9"
    & skf18("8","9","10","5","5","8","1") = "9"
    & skf18("8","9","10","5","5","9","1") = "9"
    & skf18("8","9","10","5","5","10","1") = "9"
    & skf18("8","9","10","5","6","1","1") = "9"
    & skf18("8","9","10","5","6","2","1") = "9"
    & skf18("8","9","10","5","6","3","1") = "9"
    & skf18("8","9","10","5","6","4","1") = "9"
    & skf18("8","9","10","5","6","5","1") = "9"
    & skf18("8","9","10","5","6","6","1") = "9"
    & skf18("8","9","10","5","6","7","1") = "9"
    & skf18("8","9","10","5","6","8","1") = "9"
    & skf18("8","9","10","5","6","9","1") = "9"
    & skf18("8","9","10","5","6","10","1") = "9"
    & skf18("8","9","10","5","7","1","1") = "9"
    & skf18("8","9","10","5","7","2","1") = "9"
    & skf18("8","9","10","5","7","3","1") = "9"
    & skf18("8","9","10","5","7","4","1") = "9"
    & skf18("8","9","10","5","7","5","1") = "9"
    & skf18("8","9","10","5","7","6","1") = "9"
    & skf18("8","9","10","5","7","7","1") = "9"
    & skf18("8","9","10","5","7","8","1") = "9"
    & skf18("8","9","10","5","7","9","1") = "9"
    & skf18("8","9","10","5","7","10","1") = "9"
    & skf18("8","9","10","5","8","1","1") = "9"
    & skf18("8","9","10","5","8","2","1") = "9"
    & skf18("8","9","10","5","8","3","1") = "9"
    & skf18("8","9","10","5","8","4","1") = "9"
    & skf18("8","9","10","5","8","5","1") = "9"
    & skf18("8","9","10","5","8","6","1") = "9"
    & skf18("8","9","10","5","8","7","1") = "9"
    & skf18("8","9","10","5","8","8","1") = "9"
    & skf18("8","9","10","5","8","9","1") = "9"
    & skf18("8","9","10","5","8","10","1") = "9"
    & skf18("8","9","10","5","9","1","1") = "9"
    & skf18("8","9","10","5","9","2","1") = "9"
    & skf18("8","9","10","5","9","3","1") = "9"
    & skf18("8","9","10","5","9","4","1") = "9"
    & skf18("8","9","10","5","9","5","1") = "9"
    & skf18("8","9","10","5","9","6","1") = "9"
    & skf18("8","9","10","5","9","7","1") = "9"
    & skf18("8","9","10","5","9","8","1") = "9"
    & skf18("8","9","10","5","9","9","1") = "9"
    & skf18("8","9","10","5","9","10","1") = "9"
    & skf18("8","9","10","5","10","1","1") = "9"
    & skf18("8","9","10","5","10","2","1") = "9"
    & skf18("8","9","10","5","10","3","1") = "9"
    & skf18("8","9","10","5","10","4","1") = "9"
    & skf18("8","9","10","5","10","5","1") = "9"
    & skf18("8","9","10","5","10","6","1") = "9"
    & skf18("8","9","10","5","10","7","1") = "9"
    & skf18("8","9","10","5","10","8","1") = "9"
    & skf18("8","9","10","5","10","9","1") = "9"
    & skf18("8","9","10","5","10","10","1") = "9"
    & skf18("8","9","10","6","1","1","1") = "9"
    & skf18("8","9","10","6","1","2","1") = "9"
    & skf18("8","9","10","6","1","3","1") = "9"
    & skf18("8","9","10","6","1","4","1") = "9"
    & skf18("8","9","10","6","1","5","1") = "9"
    & skf18("8","9","10","6","1","6","1") = "9"
    & skf18("8","9","10","6","1","7","1") = "9"
    & skf18("8","9","10","6","1","8","1") = "9"
    & skf18("8","9","10","6","1","9","1") = "9"
    & skf18("8","9","10","6","1","10","1") = "9"
    & skf18("8","9","10","6","2","1","1") = "9"
    & skf18("8","9","10","6","2","2","1") = "9"
    & skf18("8","9","10","6","2","3","1") = "9"
    & skf18("8","9","10","6","2","4","1") = "9"
    & skf18("8","9","10","6","2","5","1") = "9"
    & skf18("8","9","10","6","2","6","1") = "9"
    & skf18("8","9","10","6","2","7","1") = "9"
    & skf18("8","9","10","6","2","8","1") = "9"
    & skf18("8","9","10","6","2","9","1") = "9"
    & skf18("8","9","10","6","2","10","1") = "9"
    & skf18("8","9","10","6","3","1","1") = "9"
    & skf18("8","9","10","6","3","2","1") = "9"
    & skf18("8","9","10","6","3","3","1") = "9"
    & skf18("8","9","10","6","3","4","1") = "9"
    & skf18("8","9","10","6","3","5","1") = "9"
    & skf18("8","9","10","6","3","6","1") = "9"
    & skf18("8","9","10","6","3","7","1") = "9"
    & skf18("8","9","10","6","3","8","1") = "9"
    & skf18("8","9","10","6","3","9","1") = "9"
    & skf18("8","9","10","6","3","10","1") = "9"
    & skf18("8","9","10","6","4","1","1") = "9"
    & skf18("8","9","10","6","4","2","1") = "9"
    & skf18("8","9","10","6","4","3","1") = "9"
    & skf18("8","9","10","6","4","4","1") = "9"
    & skf18("8","9","10","6","4","5","1") = "9"
    & skf18("8","9","10","6","4","6","1") = "9"
    & skf18("8","9","10","6","4","7","1") = "9"
    & skf18("8","9","10","6","4","8","1") = "9"
    & skf18("8","9","10","6","4","9","1") = "9"
    & skf18("8","9","10","6","4","10","1") = "9"
    & skf18("8","9","10","6","5","1","1") = "9"
    & skf18("8","9","10","6","5","2","1") = "9"
    & skf18("8","9","10","6","5","3","1") = "9"
    & skf18("8","9","10","6","5","4","1") = "9"
    & skf18("8","9","10","6","5","5","1") = "9"
    & skf18("8","9","10","6","5","6","1") = "9"
    & skf18("8","9","10","6","5","7","1") = "9"
    & skf18("8","9","10","6","5","8","1") = "9"
    & skf18("8","9","10","6","5","9","1") = "9"
    & skf18("8","9","10","6","5","10","1") = "9"
    & skf18("8","9","10","6","6","1","1") = "9"
    & skf18("8","9","10","6","6","2","1") = "9"
    & skf18("8","9","10","6","6","3","1") = "9"
    & skf18("8","9","10","6","6","4","1") = "9"
    & skf18("8","9","10","6","6","5","1") = "9"
    & skf18("8","9","10","6","6","6","1") = "9"
    & skf18("8","9","10","6","6","7","1") = "9"
    & skf18("8","9","10","6","6","8","1") = "9"
    & skf18("8","9","10","6","6","9","1") = "9"
    & skf18("8","9","10","6","6","10","1") = "9"
    & skf18("8","9","10","6","7","1","1") = "9"
    & skf18("8","9","10","6","7","2","1") = "9"
    & skf18("8","9","10","6","7","3","1") = "9"
    & skf18("8","9","10","6","7","4","1") = "9"
    & skf18("8","9","10","6","7","5","1") = "9"
    & skf18("8","9","10","6","7","6","1") = "9"
    & skf18("8","9","10","6","7","7","1") = "9"
    & skf18("8","9","10","6","7","8","1") = "9"
    & skf18("8","9","10","6","7","9","1") = "9"
    & skf18("8","9","10","6","7","10","1") = "9"
    & skf18("8","9","10","6","8","1","1") = "9"
    & skf18("8","9","10","6","8","2","1") = "9"
    & skf18("8","9","10","6","8","3","1") = "9"
    & skf18("8","9","10","6","8","4","1") = "9"
    & skf18("8","9","10","6","8","5","1") = "9"
    & skf18("8","9","10","6","8","6","1") = "9"
    & skf18("8","9","10","6","8","7","1") = "9"
    & skf18("8","9","10","6","8","8","1") = "9"
    & skf18("8","9","10","6","8","9","1") = "9"
    & skf18("8","9","10","6","8","10","1") = "9"
    & skf18("8","9","10","6","9","1","1") = "9"
    & skf18("8","9","10","6","9","2","1") = "9"
    & skf18("8","9","10","6","9","3","1") = "9"
    & skf18("8","9","10","6","9","4","1") = "9"
    & skf18("8","9","10","6","9","5","1") = "9"
    & skf18("8","9","10","6","9","6","1") = "9"
    & skf18("8","9","10","6","9","7","1") = "9"
    & skf18("8","9","10","6","9","8","1") = "9"
    & skf18("8","9","10","6","9","9","1") = "9"
    & skf18("8","9","10","6","9","10","1") = "9"
    & skf18("8","9","10","6","10","1","1") = "9"
    & skf18("8","9","10","6","10","2","1") = "9"
    & skf18("8","9","10","6","10","3","1") = "9"
    & skf18("8","9","10","6","10","4","1") = "9"
    & skf18("8","9","10","6","10","5","1") = "9"
    & skf18("8","9","10","6","10","6","1") = "9"
    & skf18("8","9","10","6","10","7","1") = "9"
    & skf18("8","9","10","6","10","8","1") = "9"
    & skf18("8","9","10","6","10","9","1") = "9"
    & skf18("8","9","10","6","10","10","1") = "9"
    & skf18("8","9","10","7","1","1","1") = "9"
    & skf18("8","9","10","7","1","2","1") = "9"
    & skf18("8","9","10","7","1","3","1") = "9"
    & skf18("8","9","10","7","1","4","1") = "9"
    & skf18("8","9","10","7","1","5","1") = "9"
    & skf18("8","9","10","7","1","6","1") = "9"
    & skf18("8","9","10","7","1","7","1") = "9"
    & skf18("8","9","10","7","1","8","1") = "9"
    & skf18("8","9","10","7","1","9","1") = "9"
    & skf18("8","9","10","7","1","10","1") = "9"
    & skf18("8","9","10","7","2","1","1") = "9"
    & skf18("8","9","10","7","2","2","1") = "9"
    & skf18("8","9","10","7","2","3","1") = "9"
    & skf18("8","9","10","7","2","4","1") = "9"
    & skf18("8","9","10","7","2","5","1") = "9"
    & skf18("8","9","10","7","2","6","1") = "9"
    & skf18("8","9","10","7","2","7","1") = "9"
    & skf18("8","9","10","7","2","8","1") = "9"
    & skf18("8","9","10","7","2","9","1") = "9"
    & skf18("8","9","10","7","2","10","1") = "9"
    & skf18("8","9","10","7","3","1","1") = "9"
    & skf18("8","9","10","7","3","2","1") = "9"
    & skf18("8","9","10","7","3","3","1") = "9"
    & skf18("8","9","10","7","3","4","1") = "9"
    & skf18("8","9","10","7","3","5","1") = "9"
    & skf18("8","9","10","7","3","6","1") = "9"
    & skf18("8","9","10","7","3","7","1") = "9"
    & skf18("8","9","10","7","3","8","1") = "9"
    & skf18("8","9","10","7","3","9","1") = "9"
    & skf18("8","9","10","7","3","10","1") = "9"
    & skf18("8","9","10","7","4","1","1") = "9"
    & skf18("8","9","10","7","4","2","1") = "9"
    & skf18("8","9","10","7","4","3","1") = "9"
    & skf18("8","9","10","7","4","4","1") = "9"
    & skf18("8","9","10","7","4","5","1") = "9"
    & skf18("8","9","10","7","4","6","1") = "9"
    & skf18("8","9","10","7","4","7","1") = "9"
    & skf18("8","9","10","7","4","8","1") = "9"
    & skf18("8","9","10","7","4","9","1") = "9"
    & skf18("8","9","10","7","4","10","1") = "9"
    & skf18("8","9","10","7","5","1","1") = "9"
    & skf18("8","9","10","7","5","2","1") = "9"
    & skf18("8","9","10","7","5","3","1") = "9"
    & skf18("8","9","10","7","5","4","1") = "9"
    & skf18("8","9","10","7","5","5","1") = "9"
    & skf18("8","9","10","7","5","6","1") = "9"
    & skf18("8","9","10","7","5","7","1") = "9"
    & skf18("8","9","10","7","5","8","1") = "9"
    & skf18("8","9","10","7","5","9","1") = "9"
    & skf18("8","9","10","7","5","10","1") = "9"
    & skf18("8","9","10","7","6","1","1") = "9"
    & skf18("8","9","10","7","6","2","1") = "9"
    & skf18("8","9","10","7","6","3","1") = "9"
    & skf18("8","9","10","7","6","4","1") = "9"
    & skf18("8","9","10","7","6","5","1") = "9"
    & skf18("8","9","10","7","6","6","1") = "9"
    & skf18("8","9","10","7","6","7","1") = "9"
    & skf18("8","9","10","7","6","8","1") = "9"
    & skf18("8","9","10","7","6","9","1") = "9"
    & skf18("8","9","10","7","6","10","1") = "9"
    & skf18("8","9","10","7","7","1","1") = "9"
    & skf18("8","9","10","7","7","2","1") = "9"
    & skf18("8","9","10","7","7","3","1") = "9"
    & skf18("8","9","10","7","7","4","1") = "9"
    & skf18("8","9","10","7","7","5","1") = "9"
    & skf18("8","9","10","7","7","6","1") = "9"
    & skf18("8","9","10","7","7","7","1") = "9"
    & skf18("8","9","10","7","7","8","1") = "9"
    & skf18("8","9","10","7","7","9","1") = "9"
    & skf18("8","9","10","7","7","10","1") = "9"
    & skf18("8","9","10","7","8","1","1") = "9"
    & skf18("8","9","10","7","8","2","1") = "9"
    & skf18("8","9","10","7","8","3","1") = "9"
    & skf18("8","9","10","7","8","4","1") = "9"
    & skf18("8","9","10","7","8","5","1") = "9"
    & skf18("8","9","10","7","8","6","1") = "9"
    & skf18("8","9","10","7","8","7","1") = "9"
    & skf18("8","9","10","7","8","8","1") = "9"
    & skf18("8","9","10","7","8","9","1") = "9"
    & skf18("8","9","10","7","8","10","1") = "9"
    & skf18("8","9","10","7","9","1","1") = "9"
    & skf18("8","9","10","7","9","2","1") = "9"
    & skf18("8","9","10","7","9","3","1") = "9"
    & skf18("8","9","10","7","9","4","1") = "9"
    & skf18("8","9","10","7","9","5","1") = "9"
    & skf18("8","9","10","7","9","6","1") = "9"
    & skf18("8","9","10","7","9","7","1") = "9"
    & skf18("8","9","10","7","9","8","1") = "9"
    & skf18("8","9","10","7","9","9","1") = "9"
    & skf18("8","9","10","7","9","10","1") = "9"
    & skf18("8","9","10","7","10","1","1") = "9"
    & skf18("8","9","10","7","10","2","1") = "9"
    & skf18("8","9","10","7","10","3","1") = "9"
    & skf18("8","9","10","7","10","4","1") = "9"
    & skf18("8","9","10","7","10","5","1") = "9"
    & skf18("8","9","10","7","10","6","1") = "9"
    & skf18("8","9","10","7","10","7","1") = "9"
    & skf18("8","9","10","7","10","8","1") = "9"
    & skf18("8","9","10","7","10","9","1") = "9"
    & skf18("8","9","10","7","10","10","1") = "9"
    & skf18("8","9","10","8","1","1","1") = "9"
    & skf18("8","9","10","8","1","2","1") = "9"
    & skf18("8","9","10","8","1","3","1") = "9"
    & skf18("8","9","10","8","1","4","1") = "9"
    & skf18("8","9","10","8","1","5","1") = "9"
    & skf18("8","9","10","8","1","6","1") = "9"
    & skf18("8","9","10","8","1","7","1") = "9"
    & skf18("8","9","10","8","1","8","1") = "9"
    & skf18("8","9","10","8","1","9","1") = "9"
    & skf18("8","9","10","8","1","10","1") = "9"
    & skf18("8","9","10","8","2","1","1") = "9"
    & skf18("8","9","10","8","2","2","1") = "9"
    & skf18("8","9","10","8","2","3","1") = "9"
    & skf18("8","9","10","8","2","4","1") = "9"
    & skf18("8","9","10","8","2","5","1") = "9"
    & skf18("8","9","10","8","2","6","1") = "9"
    & skf18("8","9","10","8","2","7","1") = "9"
    & skf18("8","9","10","8","2","8","1") = "9"
    & skf18("8","9","10","8","2","9","1") = "9"
    & skf18("8","9","10","8","2","10","1") = "9"
    & skf18("8","9","10","8","3","1","1") = "9"
    & skf18("8","9","10","8","3","2","1") = "9"
    & skf18("8","9","10","8","3","3","1") = "9"
    & skf18("8","9","10","8","3","4","1") = "9"
    & skf18("8","9","10","8","3","5","1") = "9"
    & skf18("8","9","10","8","3","6","1") = "9"
    & skf18("8","9","10","8","3","7","1") = "9"
    & skf18("8","9","10","8","3","8","1") = "9"
    & skf18("8","9","10","8","3","9","1") = "9"
    & skf18("8","9","10","8","3","10","1") = "9"
    & skf18("8","9","10","8","4","1","1") = "9"
    & skf18("8","9","10","8","4","2","1") = "9"
    & skf18("8","9","10","8","4","3","1") = "9"
    & skf18("8","9","10","8","4","4","1") = "9"
    & skf18("8","9","10","8","4","5","1") = "9"
    & skf18("8","9","10","8","4","6","1") = "9"
    & skf18("8","9","10","8","4","7","1") = "9"
    & skf18("8","9","10","8","4","8","1") = "9"
    & skf18("8","9","10","8","4","9","1") = "9"
    & skf18("8","9","10","8","4","10","1") = "9"
    & skf18("8","9","10","8","5","1","1") = "9"
    & skf18("8","9","10","8","5","2","1") = "9"
    & skf18("8","9","10","8","5","3","1") = "9"
    & skf18("8","9","10","8","5","4","1") = "9"
    & skf18("8","9","10","8","5","5","1") = "9"
    & skf18("8","9","10","8","5","6","1") = "9"
    & skf18("8","9","10","8","5","7","1") = "9"
    & skf18("8","9","10","8","5","8","1") = "9"
    & skf18("8","9","10","8","5","9","1") = "9"
    & skf18("8","9","10","8","5","10","1") = "9"
    & skf18("8","9","10","8","6","1","1") = "9"
    & skf18("8","9","10","8","6","2","1") = "9"
    & skf18("8","9","10","8","6","3","1") = "9"
    & skf18("8","9","10","8","6","4","1") = "9"
    & skf18("8","9","10","8","6","5","1") = "9"
    & skf18("8","9","10","8","6","6","1") = "9"
    & skf18("8","9","10","8","6","7","1") = "9"
    & skf18("8","9","10","8","6","8","1") = "9"
    & skf18("8","9","10","8","6","9","1") = "9"
    & skf18("8","9","10","8","6","10","1") = "9"
    & skf18("8","9","10","8","7","1","1") = "9"
    & skf18("8","9","10","8","7","2","1") = "9"
    & skf18("8","9","10","8","7","3","1") = "9"
    & skf18("8","9","10","8","7","4","1") = "9"
    & skf18("8","9","10","8","7","5","1") = "9"
    & skf18("8","9","10","8","7","6","1") = "9"
    & skf18("8","9","10","8","7","7","1") = "9"
    & skf18("8","9","10","8","7","8","1") = "9"
    & skf18("8","9","10","8","7","9","1") = "9"
    & skf18("8","9","10","8","7","10","1") = "9"
    & skf18("8","9","10","8","8","1","1") = "9"
    & skf18("8","9","10","8","8","2","1") = "9"
    & skf18("8","9","10","8","8","3","1") = "9"
    & skf18("8","9","10","8","8","4","1") = "9"
    & skf18("8","9","10","8","8","5","1") = "9"
    & skf18("8","9","10","8","8","6","1") = "9"
    & skf18("8","9","10","8","8","7","1") = "9"
    & skf18("8","9","10","8","8","8","1") = "9"
    & skf18("8","9","10","8","8","9","1") = "9"
    & skf18("8","9","10","8","8","10","1") = "9"
    & skf18("8","9","10","8","9","1","1") = "9"
    & skf18("8","9","10","8","9","2","1") = "9"
    & skf18("8","9","10","8","9","3","1") = "9"
    & skf18("8","9","10","8","9","4","1") = "9"
    & skf18("8","9","10","8","9","5","1") = "9"
    & skf18("8","9","10","8","9","6","1") = "9"
    & skf18("8","9","10","8","9","7","1") = "9"
    & skf18("8","9","10","8","9","8","1") = "9"
    & skf18("8","9","10","8","9","9","1") = "9"
    & skf18("8","9","10","8","9","10","1") = "9"
    & skf18("8","9","10","8","10","1","1") = "9"
    & skf18("8","9","10","8","10","2","1") = "9"
    & skf18("8","9","10","8","10","3","1") = "9"
    & skf18("8","9","10","8","10","4","1") = "9"
    & skf18("8","9","10","8","10","5","1") = "9"
    & skf18("8","9","10","8","10","6","1") = "9"
    & skf18("8","9","10","8","10","7","1") = "9"
    & skf18("8","9","10","8","10","8","1") = "9"
    & skf18("8","9","10","8","10","9","1") = "9"
    & skf18("8","9","10","8","10","10","1") = "9"
    & skf18("8","9","10","9","1","1","1") = "9"
    & skf18("8","9","10","9","1","2","1") = "9"
    & skf18("8","9","10","9","1","3","1") = "9"
    & skf18("8","9","10","9","1","4","1") = "9"
    & skf18("8","9","10","9","1","5","1") = "9"
    & skf18("8","9","10","9","1","6","1") = "9"
    & skf18("8","9","10","9","1","7","1") = "9"
    & skf18("8","9","10","9","1","8","1") = "9"
    & skf18("8","9","10","9","1","9","1") = "9"
    & skf18("8","9","10","9","1","10","1") = "9"
    & skf18("8","9","10","9","2","1","1") = "9"
    & skf18("8","9","10","9","2","2","1") = "9"
    & skf18("8","9","10","9","2","3","1") = "9"
    & skf18("8","9","10","9","2","4","1") = "9"
    & skf18("8","9","10","9","2","5","1") = "9"
    & skf18("8","9","10","9","2","6","1") = "9"
    & skf18("8","9","10","9","2","7","1") = "9"
    & skf18("8","9","10","9","2","8","1") = "9"
    & skf18("8","9","10","9","2","9","1") = "9"
    & skf18("8","9","10","9","2","10","1") = "9"
    & skf18("8","9","10","9","3","1","1") = "9"
    & skf18("8","9","10","9","3","2","1") = "9"
    & skf18("8","9","10","9","3","3","1") = "9"
    & skf18("8","9","10","9","3","4","1") = "9"
    & skf18("8","9","10","9","3","5","1") = "9"
    & skf18("8","9","10","9","3","6","1") = "9"
    & skf18("8","9","10","9","3","7","1") = "9"
    & skf18("8","9","10","9","3","8","1") = "9"
    & skf18("8","9","10","9","3","9","1") = "9"
    & skf18("8","9","10","9","3","10","1") = "9"
    & skf18("8","9","10","9","4","1","1") = "9"
    & skf18("8","9","10","9","4","2","1") = "9"
    & skf18("8","9","10","9","4","3","1") = "9"
    & skf18("8","9","10","9","4","4","1") = "9"
    & skf18("8","9","10","9","4","5","1") = "9"
    & skf18("8","9","10","9","4","6","1") = "9"
    & skf18("8","9","10","9","4","7","1") = "9"
    & skf18("8","9","10","9","4","8","1") = "9"
    & skf18("8","9","10","9","4","9","1") = "9"
    & skf18("8","9","10","9","4","10","1") = "9"
    & skf18("8","9","10","9","5","1","1") = "9"
    & skf18("8","9","10","9","5","2","1") = "9"
    & skf18("8","9","10","9","5","3","1") = "9"
    & skf18("8","9","10","9","5","4","1") = "9"
    & skf18("8","9","10","9","5","5","1") = "9"
    & skf18("8","9","10","9","5","6","1") = "9"
    & skf18("8","9","10","9","5","7","1") = "9"
    & skf18("8","9","10","9","5","8","1") = "9"
    & skf18("8","9","10","9","5","9","1") = "9"
    & skf18("8","9","10","9","5","10","1") = "9"
    & skf18("8","9","10","9","6","1","1") = "9"
    & skf18("8","9","10","9","6","2","1") = "9"
    & skf18("8","9","10","9","6","3","1") = "9"
    & skf18("8","9","10","9","6","4","1") = "9"
    & skf18("8","9","10","9","6","5","1") = "9"
    & skf18("8","9","10","9","6","6","1") = "9"
    & skf18("8","9","10","9","6","7","1") = "9"
    & skf18("8","9","10","9","6","8","1") = "9"
    & skf18("8","9","10","9","6","9","1") = "9"
    & skf18("8","9","10","9","6","10","1") = "9"
    & skf18("8","9","10","9","7","1","1") = "9"
    & skf18("8","9","10","9","7","2","1") = "9"
    & skf18("8","9","10","9","7","3","1") = "9"
    & skf18("8","9","10","9","7","4","1") = "9"
    & skf18("8","9","10","9","7","5","1") = "9"
    & skf18("8","9","10","9","7","6","1") = "9"
    & skf18("8","9","10","9","7","7","1") = "9"
    & skf18("8","9","10","9","7","8","1") = "9"
    & skf18("8","9","10","9","7","9","1") = "9"
    & skf18("8","9","10","9","7","10","1") = "9"
    & skf18("8","9","10","9","8","1","1") = "9"
    & skf18("8","9","10","9","8","2","1") = "9"
    & skf18("8","9","10","9","8","3","1") = "9"
    & skf18("8","9","10","9","8","4","1") = "9"
    & skf18("8","9","10","9","8","5","1") = "9"
    & skf18("8","9","10","9","8","6","1") = "9"
    & skf18("8","9","10","9","8","7","1") = "9"
    & skf18("8","9","10","9","8","8","1") = "9"
    & skf18("8","9","10","9","8","9","1") = "9"
    & skf18("8","9","10","9","8","10","1") = "9"
    & skf18("8","9","10","9","9","1","1") = "9"
    & skf18("8","9","10","9","9","2","1") = "9"
    & skf18("8","9","10","9","9","3","1") = "9"
    & skf18("8","9","10","9","9","4","1") = "9"
    & skf18("8","9","10","9","9","5","1") = "9"
    & skf18("8","9","10","9","9","6","1") = "9"
    & skf18("8","9","10","9","9","7","1") = "9"
    & skf18("8","9","10","9","9","8","1") = "9"
    & skf18("8","9","10","9","9","9","1") = "9"
    & skf18("8","9","10","9","9","10","1") = "9"
    & skf18("8","9","10","9","10","1","1") = "9"
    & skf18("8","9","10","9","10","2","1") = "9"
    & skf18("8","9","10","9","10","3","1") = "9"
    & skf18("8","9","10","9","10","4","1") = "9"
    & skf18("8","9","10","9","10","5","1") = "9"
    & skf18("8","9","10","9","10","6","1") = "9"
    & skf18("8","9","10","9","10","7","1") = "9"
    & skf18("8","9","10","9","10","8","1") = "9"
    & skf18("8","9","10","9","10","9","1") = "9"
    & skf18("8","9","10","9","10","10","1") = "9"
    & skf18("8","9","10","10","1","1","1") = "9"
    & skf18("8","9","10","10","1","2","1") = "9"
    & skf18("8","9","10","10","1","3","1") = "9"
    & skf18("8","9","10","10","1","4","1") = "9"
    & skf18("8","9","10","10","1","5","1") = "9"
    & skf18("8","9","10","10","1","6","1") = "9"
    & skf18("8","9","10","10","1","7","1") = "9"
    & skf18("8","9","10","10","1","8","1") = "9"
    & skf18("8","9","10","10","1","9","1") = "9"
    & skf18("8","9","10","10","1","10","1") = "9"
    & skf18("8","9","10","10","2","1","1") = "9"
    & skf18("8","9","10","10","2","2","1") = "9"
    & skf18("8","9","10","10","2","3","1") = "9"
    & skf18("8","9","10","10","2","4","1") = "9"
    & skf18("8","9","10","10","2","5","1") = "9"
    & skf18("8","9","10","10","2","6","1") = "9"
    & skf18("8","9","10","10","2","7","1") = "9"
    & skf18("8","9","10","10","2","8","1") = "9"
    & skf18("8","9","10","10","2","9","1") = "9"
    & skf18("8","9","10","10","2","10","1") = "9"
    & skf18("8","9","10","10","3","1","1") = "9"
    & skf18("8","9","10","10","3","2","1") = "9"
    & skf18("8","9","10","10","3","3","1") = "9"
    & skf18("8","9","10","10","3","4","1") = "9"
    & skf18("8","9","10","10","3","5","1") = "9"
    & skf18("8","9","10","10","3","6","1") = "9"
    & skf18("8","9","10","10","3","7","1") = "9"
    & skf18("8","9","10","10","3","8","1") = "9"
    & skf18("8","9","10","10","3","9","1") = "9"
    & skf18("8","9","10","10","3","10","1") = "9"
    & skf18("8","9","10","10","4","1","1") = "9"
    & skf18("8","9","10","10","4","2","1") = "9"
    & skf18("8","9","10","10","4","3","1") = "9"
    & skf18("8","9","10","10","4","4","1") = "9"
    & skf18("8","9","10","10","4","5","1") = "9"
    & skf18("8","9","10","10","4","6","1") = "9"
    & skf18("8","9","10","10","4","7","1") = "9"
    & skf18("8","9","10","10","4","8","1") = "9"
    & skf18("8","9","10","10","4","9","1") = "9"
    & skf18("8","9","10","10","4","10","1") = "9"
    & skf18("8","9","10","10","5","1","1") = "9"
    & skf18("8","9","10","10","5","2","1") = "9"
    & skf18("8","9","10","10","5","3","1") = "9"
    & skf18("8","9","10","10","5","4","1") = "9"
    & skf18("8","9","10","10","5","5","1") = "9"
    & skf18("8","9","10","10","5","6","1") = "9"
    & skf18("8","9","10","10","5","7","1") = "9"
    & skf18("8","9","10","10","5","8","1") = "9"
    & skf18("8","9","10","10","5","9","1") = "9"
    & skf18("8","9","10","10","5","10","1") = "9"
    & skf18("8","9","10","10","6","1","1") = "9"
    & skf18("8","9","10","10","6","2","1") = "9"
    & skf18("8","9","10","10","6","3","1") = "9"
    & skf18("8","9","10","10","6","4","1") = "9"
    & skf18("8","9","10","10","6","5","1") = "9"
    & skf18("8","9","10","10","6","6","1") = "9"
    & skf18("8","9","10","10","6","7","1") = "9"
    & skf18("8","9","10","10","6","8","1") = "9"
    & skf18("8","9","10","10","6","9","1") = "9"
    & skf18("8","9","10","10","6","10","1") = "9"
    & skf18("8","9","10","10","7","1","1") = "9"
    & skf18("8","9","10","10","7","2","1") = "9"
    & skf18("8","9","10","10","7","3","1") = "9"
    & skf18("8","9","10","10","7","4","1") = "9"
    & skf18("8","9","10","10","7","5","1") = "9"
    & skf18("8","9","10","10","7","6","1") = "9"
    & skf18("8","9","10","10","7","7","1") = "9"
    & skf18("8","9","10","10","7","8","1") = "9"
    & skf18("8","9","10","10","7","9","1") = "9"
    & skf18("8","9","10","10","7","10","1") = "9"
    & skf18("8","9","10","10","8","1","1") = "9"
    & skf18("8","9","10","10","8","2","1") = "9"
    & skf18("8","9","10","10","8","3","1") = "9"
    & skf18("8","9","10","10","8","4","1") = "9"
    & skf18("8","9","10","10","8","5","1") = "9"
    & skf18("8","9","10","10","8","6","1") = "9"
    & skf18("8","9","10","10","8","7","1") = "9"
    & skf18("8","9","10","10","8","8","1") = "9"
    & skf18("8","9","10","10","8","9","1") = "9"
    & skf18("8","9","10","10","8","10","1") = "9"
    & skf18("8","9","10","10","9","1","1") = "9"
    & skf18("8","9","10","10","9","2","1") = "9"
    & skf18("8","9","10","10","9","3","1") = "9"
    & skf18("8","9","10","10","9","4","1") = "9"
    & skf18("8","9","10","10","9","5","1") = "9"
    & skf18("8","9","10","10","9","6","1") = "9"
    & skf18("8","9","10","10","9","7","1") = "9"
    & skf18("8","9","10","10","9","8","1") = "9"
    & skf18("8","9","10","10","9","9","1") = "9"
    & skf18("8","9","10","10","9","10","1") = "9"
    & skf18("8","9","10","10","10","1","1") = "9"
    & skf18("8","9","10","10","10","2","1") = "9"
    & skf18("8","9","10","10","10","3","1") = "9"
    & skf18("8","9","10","10","10","4","1") = "9"
    & skf18("8","9","10","10","10","5","1") = "9"
    & skf18("8","9","10","10","10","6","1") = "9"
    & skf18("8","9","10","10","10","7","1") = "9"
    & skf18("8","9","10","10","10","8","1") = "9"
    & skf18("8","9","10","10","10","9","1") = "9"
    & skf18("8","9","10","10","10","10","1") = "9"
    & skf18("8","10","1","1","1","1","1") = "9"
    & skf18("8","10","1","1","1","2","1") = "9"
    & skf18("8","10","1","1","1","3","1") = "9"
    & skf18("8","10","1","1","1","4","1") = "9"
    & skf18("8","10","1","1","1","5","1") = "9"
    & skf18("8","10","1","1","1","6","1") = "9"
    & skf18("8","10","1","1","1","7","1") = "9"
    & skf18("8","10","1","1","1","8","1") = "9"
    & skf18("8","10","1","1","1","9","1") = "9"
    & skf18("8","10","1","1","1","10","1") = "9"
    & skf18("8","10","1","1","2","1","1") = "9"
    & skf18("8","10","1","1","2","2","1") = "9"
    & skf18("8","10","1","1","2","3","1") = "9"
    & skf18("8","10","1","1","2","4","1") = "9"
    & skf18("8","10","1","1","2","5","1") = "9"
    & skf18("8","10","1","1","2","6","1") = "9"
    & skf18("8","10","1","1","2","7","1") = "9"
    & skf18("8","10","1","1","2","8","1") = "9"
    & skf18("8","10","1","1","2","9","1") = "9"
    & skf18("8","10","1","1","2","10","1") = "9"
    & skf18("8","10","1","1","3","1","1") = "9"
    & skf18("8","10","1","1","3","2","1") = "9"
    & skf18("8","10","1","1","3","3","1") = "9"
    & skf18("8","10","1","1","3","4","1") = "9"
    & skf18("8","10","1","1","3","5","1") = "9"
    & skf18("8","10","1","1","3","6","1") = "9"
    & skf18("8","10","1","1","3","7","1") = "9"
    & skf18("8","10","1","1","3","8","1") = "9"
    & skf18("8","10","1","1","3","9","1") = "9"
    & skf18("8","10","1","1","3","10","1") = "9"
    & skf18("8","10","1","1","4","1","1") = "9"
    & skf18("8","10","1","1","4","2","1") = "9"
    & skf18("8","10","1","1","4","3","1") = "9"
    & skf18("8","10","1","1","4","4","1") = "9"
    & skf18("8","10","1","1","4","5","1") = "9"
    & skf18("8","10","1","1","4","6","1") = "9"
    & skf18("8","10","1","1","4","7","1") = "9"
    & skf18("8","10","1","1","4","8","1") = "9"
    & skf18("8","10","1","1","4","9","1") = "9"
    & skf18("8","10","1","1","4","10","1") = "9"
    & skf18("8","10","1","1","5","1","1") = "9"
    & skf18("8","10","1","1","5","2","1") = "9"
    & skf18("8","10","1","1","5","3","1") = "9"
    & skf18("8","10","1","1","5","4","1") = "9"
    & skf18("8","10","1","1","5","5","1") = "9"
    & skf18("8","10","1","1","5","6","1") = "9"
    & skf18("8","10","1","1","5","7","1") = "9"
    & skf18("8","10","1","1","5","8","1") = "9"
    & skf18("8","10","1","1","5","9","1") = "9"
    & skf18("8","10","1","1","5","10","1") = "9"
    & skf18("8","10","1","1","6","1","1") = "9"
    & skf18("8","10","1","1","6","2","1") = "9"
    & skf18("8","10","1","1","6","3","1") = "9"
    & skf18("8","10","1","1","6","4","1") = "9"
    & skf18("8","10","1","1","6","5","1") = "9"
    & skf18("8","10","1","1","6","6","1") = "9"
    & skf18("8","10","1","1","6","7","1") = "9"
    & skf18("8","10","1","1","6","8","1") = "9"
    & skf18("8","10","1","1","6","9","1") = "9"
    & skf18("8","10","1","1","6","10","1") = "9"
    & skf18("8","10","1","1","7","1","1") = "9"
    & skf18("8","10","1","1","7","2","1") = "9"
    & skf18("8","10","1","1","7","3","1") = "9"
    & skf18("8","10","1","1","7","4","1") = "9"
    & skf18("8","10","1","1","7","5","1") = "9"
    & skf18("8","10","1","1","7","6","1") = "9"
    & skf18("8","10","1","1","7","7","1") = "9"
    & skf18("8","10","1","1","7","8","1") = "9"
    & skf18("8","10","1","1","7","9","1") = "9"
    & skf18("8","10","1","1","7","10","1") = "9"
    & skf18("8","10","1","1","8","1","1") = "9"
    & skf18("8","10","1","1","8","2","1") = "9"
    & skf18("8","10","1","1","8","3","1") = "9"
    & skf18("8","10","1","1","8","4","1") = "9"
    & skf18("8","10","1","1","8","5","1") = "9"
    & skf18("8","10","1","1","8","6","1") = "9"
    & skf18("8","10","1","1","8","7","1") = "9"
    & skf18("8","10","1","1","8","8","1") = "9"
    & skf18("8","10","1","1","8","9","1") = "9"
    & skf18("8","10","1","1","8","10","1") = "9"
    & skf18("8","10","1","1","9","1","1") = "9"
    & skf18("8","10","1","1","9","2","1") = "9"
    & skf18("8","10","1","1","9","3","1") = "9"
    & skf18("8","10","1","1","9","4","1") = "9"
    & skf18("8","10","1","1","9","5","1") = "9"
    & skf18("8","10","1","1","9","6","1") = "9"
    & skf18("8","10","1","1","9","7","1") = "9"
    & skf18("8","10","1","1","9","8","1") = "9"
    & skf18("8","10","1","1","9","9","1") = "9"
    & skf18("8","10","1","1","9","10","1") = "9"
    & skf18("8","10","1","1","10","1","1") = "9"
    & skf18("8","10","1","1","10","2","1") = "9"
    & skf18("8","10","1","1","10","3","1") = "9"
    & skf18("8","10","1","1","10","4","1") = "9"
    & skf18("8","10","1","1","10","5","1") = "9"
    & skf18("8","10","1","1","10","6","1") = "9"
    & skf18("8","10","1","1","10","7","1") = "9"
    & skf18("8","10","1","1","10","8","1") = "9"
    & skf18("8","10","1","1","10","9","1") = "9"
    & skf18("8","10","1","1","10","10","1") = "9"
    & skf18("8","10","1","2","1","1","1") = "9"
    & skf18("8","10","1","2","1","2","1") = "9"
    & skf18("8","10","1","2","1","3","1") = "9"
    & skf18("8","10","1","2","1","4","1") = "9"
    & skf18("8","10","1","2","1","5","1") = "9"
    & skf18("8","10","1","2","1","6","1") = "9"
    & skf18("8","10","1","2","1","7","1") = "9"
    & skf18("8","10","1","2","1","8","1") = "9"
    & skf18("8","10","1","2","1","9","1") = "9"
    & skf18("8","10","1","2","1","10","1") = "9"
    & skf18("8","10","1","2","2","1","1") = "9"
    & skf18("8","10","1","2","2","2","1") = "9"
    & skf18("8","10","1","2","2","3","1") = "9"
    & skf18("8","10","1","2","2","4","1") = "9"
    & skf18("8","10","1","2","2","5","1") = "9"
    & skf18("8","10","1","2","2","6","1") = "9"
    & skf18("8","10","1","2","2","7","1") = "9"
    & skf18("8","10","1","2","2","8","1") = "9"
    & skf18("8","10","1","2","2","9","1") = "9"
    & skf18("8","10","1","2","2","10","1") = "9"
    & skf18("8","10","1","2","3","1","1") = "9"
    & skf18("8","10","1","2","3","2","1") = "9"
    & skf18("8","10","1","2","3","3","1") = "9"
    & skf18("8","10","1","2","3","4","1") = "9"
    & skf18("8","10","1","2","3","5","1") = "9"
    & skf18("8","10","1","2","3","6","1") = "9"
    & skf18("8","10","1","2","3","7","1") = "9"
    & skf18("8","10","1","2","3","8","1") = "9"
    & skf18("8","10","1","2","3","9","1") = "9"
    & skf18("8","10","1","2","3","10","1") = "9"
    & skf18("8","10","1","2","4","1","1") = "9"
    & skf18("8","10","1","2","4","2","1") = "9"
    & skf18("8","10","1","2","4","3","1") = "9"
    & skf18("8","10","1","2","4","4","1") = "9"
    & skf18("8","10","1","2","4","5","1") = "9"
    & skf18("8","10","1","2","4","6","1") = "9"
    & skf18("8","10","1","2","4","7","1") = "9"
    & skf18("8","10","1","2","4","8","1") = "9"
    & skf18("8","10","1","2","4","9","1") = "9"
    & skf18("8","10","1","2","4","10","1") = "9"
    & skf18("8","10","1","2","5","1","1") = "9"
    & skf18("8","10","1","2","5","2","1") = "9"
    & skf18("8","10","1","2","5","3","1") = "9"
    & skf18("8","10","1","2","5","4","1") = "9"
    & skf18("8","10","1","2","5","5","1") = "9"
    & skf18("8","10","1","2","5","6","1") = "9"
    & skf18("8","10","1","2","5","7","1") = "9"
    & skf18("8","10","1","2","5","8","1") = "9"
    & skf18("8","10","1","2","5","9","1") = "9"
    & skf18("8","10","1","2","5","10","1") = "9"
    & skf18("8","10","1","2","6","1","1") = "9"
    & skf18("8","10","1","2","6","2","1") = "9"
    & skf18("8","10","1","2","6","3","1") = "9"
    & skf18("8","10","1","2","6","4","1") = "9"
    & skf18("8","10","1","2","6","5","1") = "9"
    & skf18("8","10","1","2","6","6","1") = "9"
    & skf18("8","10","1","2","6","7","1") = "9"
    & skf18("8","10","1","2","6","8","1") = "9"
    & skf18("8","10","1","2","6","9","1") = "9"
    & skf18("8","10","1","2","6","10","1") = "9"
    & skf18("8","10","1","2","7","1","1") = "9"
    & skf18("8","10","1","2","7","2","1") = "9"
    & skf18("8","10","1","2","7","3","1") = "9"
    & skf18("8","10","1","2","7","4","1") = "9"
    & skf18("8","10","1","2","7","5","1") = "9"
    & skf18("8","10","1","2","7","6","1") = "9"
    & skf18("8","10","1","2","7","7","1") = "9"
    & skf18("8","10","1","2","7","8","1") = "9"
    & skf18("8","10","1","2","7","9","1") = "9"
    & skf18("8","10","1","2","7","10","1") = "9"
    & skf18("8","10","1","2","8","1","1") = "9"
    & skf18("8","10","1","2","8","2","1") = "9"
    & skf18("8","10","1","2","8","3","1") = "9"
    & skf18("8","10","1","2","8","4","1") = "9"
    & skf18("8","10","1","2","8","5","1") = "9"
    & skf18("8","10","1","2","8","6","1") = "9"
    & skf18("8","10","1","2","8","7","1") = "9"
    & skf18("8","10","1","2","8","8","1") = "9"
    & skf18("8","10","1","2","8","9","1") = "9"
    & skf18("8","10","1","2","8","10","1") = "9"
    & skf18("8","10","1","2","9","1","1") = "9"
    & skf18("8","10","1","2","9","2","1") = "9"
    & skf18("8","10","1","2","9","3","1") = "9"
    & skf18("8","10","1","2","9","4","1") = "9"
    & skf18("8","10","1","2","9","5","1") = "9"
    & skf18("8","10","1","2","9","6","1") = "9"
    & skf18("8","10","1","2","9","7","1") = "9"
    & skf18("8","10","1","2","9","8","1") = "9"
    & skf18("8","10","1","2","9","9","1") = "9"
    & skf18("8","10","1","2","9","10","1") = "9"
    & skf18("8","10","1","2","10","1","1") = "9"
    & skf18("8","10","1","2","10","2","1") = "9"
    & skf18("8","10","1","2","10","3","1") = "9"
    & skf18("8","10","1","2","10","4","1") = "9"
    & skf18("8","10","1","2","10","5","1") = "9"
    & skf18("8","10","1","2","10","6","1") = "9"
    & skf18("8","10","1","2","10","7","1") = "9"
    & skf18("8","10","1","2","10","8","1") = "9"
    & skf18("8","10","1","2","10","9","1") = "9"
    & skf18("8","10","1","2","10","10","1") = "9"
    & skf18("8","10","1","3","1","1","1") = "9"
    & skf18("8","10","1","3","1","2","1") = "9"
    & skf18("8","10","1","3","1","3","1") = "9"
    & skf18("8","10","1","3","1","4","1") = "9"
    & skf18("8","10","1","3","1","5","1") = "9"
    & skf18("8","10","1","3","1","6","1") = "9"
    & skf18("8","10","1","3","1","7","1") = "9"
    & skf18("8","10","1","3","1","8","1") = "9"
    & skf18("8","10","1","3","1","9","1") = "9"
    & skf18("8","10","1","3","1","10","1") = "9"
    & skf18("8","10","1","3","2","1","1") = "9"
    & skf18("8","10","1","3","2","2","1") = "9"
    & skf18("8","10","1","3","2","3","1") = "9"
    & skf18("8","10","1","3","2","4","1") = "9"
    & skf18("8","10","1","3","2","5","1") = "9"
    & skf18("8","10","1","3","2","6","1") = "9"
    & skf18("8","10","1","3","2","7","1") = "9"
    & skf18("8","10","1","3","2","8","1") = "9"
    & skf18("8","10","1","3","2","9","1") = "9"
    & skf18("8","10","1","3","2","10","1") = "9"
    & skf18("8","10","1","3","3","1","1") = "9"
    & skf18("8","10","1","3","3","2","1") = "9"
    & skf18("8","10","1","3","3","3","1") = "9"
    & skf18("8","10","1","3","3","4","1") = "9"
    & skf18("8","10","1","3","3","5","1") = "9"
    & skf18("8","10","1","3","3","6","1") = "9"
    & skf18("8","10","1","3","3","7","1") = "9"
    & skf18("8","10","1","3","3","8","1") = "9"
    & skf18("8","10","1","3","3","9","1") = "9"
    & skf18("8","10","1","3","3","10","1") = "9"
    & skf18("8","10","1","3","4","1","1") = "9"
    & skf18("8","10","1","3","4","2","1") = "9"
    & skf18("8","10","1","3","4","3","1") = "9"
    & skf18("8","10","1","3","4","4","1") = "9"
    & skf18("8","10","1","3","4","5","1") = "9"
    & skf18("8","10","1","3","4","6","1") = "9"
    & skf18("8","10","1","3","4","7","1") = "9"
    & skf18("8","10","1","3","4","8","1") = "9"
    & skf18("8","10","1","3","4","9","1") = "9"
    & skf18("8","10","1","3","4","10","1") = "9"
    & skf18("8","10","1","3","5","1","1") = "9"
    & skf18("8","10","1","3","5","2","1") = "9"
    & skf18("8","10","1","3","5","3","1") = "9"
    & skf18("8","10","1","3","5","4","1") = "9"
    & skf18("8","10","1","3","5","5","1") = "9"
    & skf18("8","10","1","3","5","6","1") = "9"
    & skf18("8","10","1","3","5","7","1") = "9"
    & skf18("8","10","1","3","5","8","1") = "9"
    & skf18("8","10","1","3","5","9","1") = "9"
    & skf18("8","10","1","3","5","10","1") = "9"
    & skf18("8","10","1","3","6","1","1") = "9"
    & skf18("8","10","1","3","6","2","1") = "9"
    & skf18("8","10","1","3","6","3","1") = "9"
    & skf18("8","10","1","3","6","4","1") = "9"
    & skf18("8","10","1","3","6","5","1") = "9"
    & skf18("8","10","1","3","6","6","1") = "9"
    & skf18("8","10","1","3","6","7","1") = "9"
    & skf18("8","10","1","3","6","8","1") = "9"
    & skf18("8","10","1","3","6","9","1") = "9"
    & skf18("8","10","1","3","6","10","1") = "9"
    & skf18("8","10","1","3","7","1","1") = "9"
    & skf18("8","10","1","3","7","2","1") = "9"
    & skf18("8","10","1","3","7","3","1") = "9"
    & skf18("8","10","1","3","7","4","1") = "9"
    & skf18("8","10","1","3","7","5","1") = "9"
    & skf18("8","10","1","3","7","6","1") = "9"
    & skf18("8","10","1","3","7","7","1") = "9"
    & skf18("8","10","1","3","7","8","1") = "9"
    & skf18("8","10","1","3","7","9","1") = "9"
    & skf18("8","10","1","3","7","10","1") = "9"
    & skf18("8","10","1","3","8","1","1") = "9"
    & skf18("8","10","1","3","8","2","1") = "9"
    & skf18("8","10","1","3","8","3","1") = "9"
    & skf18("8","10","1","3","8","4","1") = "9"
    & skf18("8","10","1","3","8","5","1") = "9"
    & skf18("8","10","1","3","8","6","1") = "9"
    & skf18("8","10","1","3","8","7","1") = "9"
    & skf18("8","10","1","3","8","8","1") = "9"
    & skf18("8","10","1","3","8","9","1") = "9"
    & skf18("8","10","1","3","8","10","1") = "9"
    & skf18("8","10","1","3","9","1","1") = "9"
    & skf18("8","10","1","3","9","2","1") = "9"
    & skf18("8","10","1","3","9","3","1") = "9"
    & skf18("8","10","1","3","9","4","1") = "9"
    & skf18("8","10","1","3","9","5","1") = "9"
    & skf18("8","10","1","3","9","6","1") = "9"
    & skf18("8","10","1","3","9","7","1") = "9"
    & skf18("8","10","1","3","9","8","1") = "9"
    & skf18("8","10","1","3","9","9","1") = "9"
    & skf18("8","10","1","3","9","10","1") = "9"
    & skf18("8","10","1","3","10","1","1") = "9"
    & skf18("8","10","1","3","10","2","1") = "9"
    & skf18("8","10","1","3","10","3","1") = "9"
    & skf18("8","10","1","3","10","4","1") = "9"
    & skf18("8","10","1","3","10","5","1") = "9"
    & skf18("8","10","1","3","10","6","1") = "9"
    & skf18("8","10","1","3","10","7","1") = "9"
    & skf18("8","10","1","3","10","8","1") = "9"
    & skf18("8","10","1","3","10","9","1") = "9"
    & skf18("8","10","1","3","10","10","1") = "9"
    & skf18("8","10","1","4","1","1","1") = "9"
    & skf18("8","10","1","4","1","2","1") = "9"
    & skf18("8","10","1","4","1","3","1") = "9"
    & skf18("8","10","1","4","1","4","1") = "9"
    & skf18("8","10","1","4","1","5","1") = "9"
    & skf18("8","10","1","4","1","6","1") = "9"
    & skf18("8","10","1","4","1","7","1") = "9"
    & skf18("8","10","1","4","1","8","1") = "9"
    & skf18("8","10","1","4","1","9","1") = "9"
    & skf18("8","10","1","4","1","10","1") = "9"
    & skf18("8","10","1","4","2","1","1") = "9"
    & skf18("8","10","1","4","2","2","1") = "9"
    & skf18("8","10","1","4","2","3","1") = "9"
    & skf18("8","10","1","4","2","4","1") = "9"
    & skf18("8","10","1","4","2","5","1") = "9"
    & skf18("8","10","1","4","2","6","1") = "9"
    & skf18("8","10","1","4","2","7","1") = "9"
    & skf18("8","10","1","4","2","8","1") = "9"
    & skf18("8","10","1","4","2","9","1") = "9"
    & skf18("8","10","1","4","2","10","1") = "9"
    & skf18("8","10","1","4","3","1","1") = "9"
    & skf18("8","10","1","4","3","2","1") = "9"
    & skf18("8","10","1","4","3","3","1") = "9"
    & skf18("8","10","1","4","3","4","1") = "9"
    & skf18("8","10","1","4","3","5","1") = "9"
    & skf18("8","10","1","4","3","6","1") = "9"
    & skf18("8","10","1","4","3","7","1") = "9"
    & skf18("8","10","1","4","3","8","1") = "9"
    & skf18("8","10","1","4","3","9","1") = "9"
    & skf18("8","10","1","4","3","10","1") = "9"
    & skf18("8","10","1","4","4","1","1") = "9"
    & skf18("8","10","1","4","4","2","1") = "9"
    & skf18("8","10","1","4","4","3","1") = "9"
    & skf18("8","10","1","4","4","4","1") = "9"
    & skf18("8","10","1","4","4","5","1") = "9"
    & skf18("8","10","1","4","4","6","1") = "9"
    & skf18("8","10","1","4","4","7","1") = "9"
    & skf18("8","10","1","4","4","8","1") = "9"
    & skf18("8","10","1","4","4","9","1") = "9"
    & skf18("8","10","1","4","4","10","1") = "9"
    & skf18("8","10","1","4","5","1","1") = "9"
    & skf18("8","10","1","4","5","2","1") = "9"
    & skf18("8","10","1","4","5","3","1") = "9"
    & skf18("8","10","1","4","5","4","1") = "9"
    & skf18("8","10","1","4","5","5","1") = "9"
    & skf18("8","10","1","4","5","6","1") = "9"
    & skf18("8","10","1","4","5","7","1") = "9"
    & skf18("8","10","1","4","5","8","1") = "9"
    & skf18("8","10","1","4","5","9","1") = "9"
    & skf18("8","10","1","4","5","10","1") = "9"
    & skf18("8","10","1","4","6","1","1") = "9"
    & skf18("8","10","1","4","6","2","1") = "9"
    & skf18("8","10","1","4","6","3","1") = "9"
    & skf18("8","10","1","4","6","4","1") = "9"
    & skf18("8","10","1","4","6","5","1") = "9"
    & skf18("8","10","1","4","6","6","1") = "9"
    & skf18("8","10","1","4","6","7","1") = "9"
    & skf18("8","10","1","4","6","8","1") = "9"
    & skf18("8","10","1","4","6","9","1") = "9"
    & skf18("8","10","1","4","6","10","1") = "9"
    & skf18("8","10","1","4","7","1","1") = "9"
    & skf18("8","10","1","4","7","2","1") = "9"
    & skf18("8","10","1","4","7","3","1") = "9"
    & skf18("8","10","1","4","7","4","1") = "9"
    & skf18("8","10","1","4","7","5","1") = "9"
    & skf18("8","10","1","4","7","6","1") = "9"
    & skf18("8","10","1","4","7","7","1") = "9"
    & skf18("8","10","1","4","7","8","1") = "9"
    & skf18("8","10","1","4","7","9","1") = "9"
    & skf18("8","10","1","4","7","10","1") = "9"
    & skf18("8","10","1","4","8","1","1") = "9"
    & skf18("8","10","1","4","8","2","1") = "9"
    & skf18("8","10","1","4","8","3","1") = "9"
    & skf18("8","10","1","4","8","4","1") = "9"
    & skf18("8","10","1","4","8","5","1") = "9"
    & skf18("8","10","1","4","8","6","1") = "9"
    & skf18("8","10","1","4","8","7","1") = "9"
    & skf18("8","10","1","4","8","8","1") = "9"
    & skf18("8","10","1","4","8","9","1") = "9"
    & skf18("8","10","1","4","8","10","1") = "9"
    & skf18("8","10","1","4","9","1","1") = "9"
    & skf18("8","10","1","4","9","2","1") = "9"
    & skf18("8","10","1","4","9","3","1") = "9"
    & skf18("8","10","1","4","9","4","1") = "9"
    & skf18("8","10","1","4","9","5","1") = "9"
    & skf18("8","10","1","4","9","6","1") = "9"
    & skf18("8","10","1","4","9","7","1") = "9"
    & skf18("8","10","1","4","9","8","1") = "9"
    & skf18("8","10","1","4","9","9","1") = "9"
    & skf18("8","10","1","4","9","10","1") = "9"
    & skf18("8","10","1","4","10","1","1") = "9"
    & skf18("8","10","1","4","10","2","1") = "9"
    & skf18("8","10","1","4","10","3","1") = "9"
    & skf18("8","10","1","4","10","4","1") = "9"
    & skf18("8","10","1","4","10","5","1") = "9"
    & skf18("8","10","1","4","10","6","1") = "9"
    & skf18("8","10","1","4","10","7","1") = "9"
    & skf18("8","10","1","4","10","8","1") = "9"
    & skf18("8","10","1","4","10","9","1") = "9"
    & skf18("8","10","1","4","10","10","1") = "9"
    & skf18("8","10","1","5","1","1","1") = "9"
    & skf18("8","10","1","5","1","2","1") = "9"
    & skf18("8","10","1","5","1","3","1") = "9"
    & skf18("8","10","1","5","1","4","1") = "9"
    & skf18("8","10","1","5","1","5","1") = "9"
    & skf18("8","10","1","5","1","6","1") = "9"
    & skf18("8","10","1","5","1","7","1") = "9"
    & skf18("8","10","1","5","1","8","1") = "9"
    & skf18("8","10","1","5","1","9","1") = "9"
    & skf18("8","10","1","5","1","10","1") = "9"
    & skf18("8","10","1","5","2","1","1") = "9"
    & skf18("8","10","1","5","2","2","1") = "9"
    & skf18("8","10","1","5","2","3","1") = "9"
    & skf18("8","10","1","5","2","4","1") = "9"
    & skf18("8","10","1","5","2","5","1") = "9"
    & skf18("8","10","1","5","2","6","1") = "9"
    & skf18("8","10","1","5","2","7","1") = "9"
    & skf18("8","10","1","5","2","8","1") = "9"
    & skf18("8","10","1","5","2","9","1") = "9"
    & skf18("8","10","1","5","2","10","1") = "9"
    & skf18("8","10","1","5","3","1","1") = "9"
    & skf18("8","10","1","5","3","2","1") = "9"
    & skf18("8","10","1","5","3","3","1") = "9"
    & skf18("8","10","1","5","3","4","1") = "9"
    & skf18("8","10","1","5","3","5","1") = "9"
    & skf18("8","10","1","5","3","6","1") = "9"
    & skf18("8","10","1","5","3","7","1") = "9"
    & skf18("8","10","1","5","3","8","1") = "9"
    & skf18("8","10","1","5","3","9","1") = "9"
    & skf18("8","10","1","5","3","10","1") = "9"
    & skf18("8","10","1","5","4","1","1") = "9"
    & skf18("8","10","1","5","4","2","1") = "9"
    & skf18("8","10","1","5","4","3","1") = "9"
    & skf18("8","10","1","5","4","4","1") = "9"
    & skf18("8","10","1","5","4","5","1") = "9"
    & skf18("8","10","1","5","4","6","1") = "9"
    & skf18("8","10","1","5","4","7","1") = "9"
    & skf18("8","10","1","5","4","8","1") = "9"
    & skf18("8","10","1","5","4","9","1") = "9"
    & skf18("8","10","1","5","4","10","1") = "9"
    & skf18("8","10","1","5","5","1","1") = "9"
    & skf18("8","10","1","5","5","2","1") = "9"
    & skf18("8","10","1","5","5","3","1") = "9"
    & skf18("8","10","1","5","5","4","1") = "9"
    & skf18("8","10","1","5","5","5","1") = "9"
    & skf18("8","10","1","5","5","6","1") = "9"
    & skf18("8","10","1","5","5","7","1") = "9"
    & skf18("8","10","1","5","5","8","1") = "9"
    & skf18("8","10","1","5","5","9","1") = "9"
    & skf18("8","10","1","5","5","10","1") = "9"
    & skf18("8","10","1","5","6","1","1") = "9"
    & skf18("8","10","1","5","6","2","1") = "9"
    & skf18("8","10","1","5","6","3","1") = "9"
    & skf18("8","10","1","5","6","4","1") = "9"
    & skf18("8","10","1","5","6","5","1") = "9"
    & skf18("8","10","1","5","6","6","1") = "9"
    & skf18("8","10","1","5","6","7","1") = "9"
    & skf18("8","10","1","5","6","8","1") = "9"
    & skf18("8","10","1","5","6","9","1") = "9"
    & skf18("8","10","1","5","6","10","1") = "9"
    & skf18("8","10","1","5","7","1","1") = "9"
    & skf18("8","10","1","5","7","2","1") = "9"
    & skf18("8","10","1","5","7","3","1") = "9"
    & skf18("8","10","1","5","7","4","1") = "9"
    & skf18("8","10","1","5","7","5","1") = "9"
    & skf18("8","10","1","5","7","6","1") = "9"
    & skf18("8","10","1","5","7","7","1") = "9"
    & skf18("8","10","1","5","7","8","1") = "9"
    & skf18("8","10","1","5","7","9","1") = "9"
    & skf18("8","10","1","5","7","10","1") = "9"
    & skf18("8","10","1","5","8","1","1") = "9"
    & skf18("8","10","1","5","8","2","1") = "9"
    & skf18("8","10","1","5","8","3","1") = "9"
    & skf18("8","10","1","5","8","4","1") = "9"
    & skf18("8","10","1","5","8","5","1") = "9"
    & skf18("8","10","1","5","8","6","1") = "9"
    & skf18("8","10","1","5","8","7","1") = "9"
    & skf18("8","10","1","5","8","8","1") = "9"
    & skf18("8","10","1","5","8","9","1") = "9"
    & skf18("8","10","1","5","8","10","1") = "9"
    & skf18("8","10","1","5","9","1","1") = "9"
    & skf18("8","10","1","5","9","2","1") = "9"
    & skf18("8","10","1","5","9","3","1") = "9"
    & skf18("8","10","1","5","9","4","1") = "9"
    & skf18("8","10","1","5","9","5","1") = "9"
    & skf18("8","10","1","5","9","6","1") = "9"
    & skf18("8","10","1","5","9","7","1") = "9"
    & skf18("8","10","1","5","9","8","1") = "9"
    & skf18("8","10","1","5","9","9","1") = "9"
    & skf18("8","10","1","5","9","10","1") = "9"
    & skf18("8","10","1","5","10","1","1") = "9"
    & skf18("8","10","1","5","10","2","1") = "9"
    & skf18("8","10","1","5","10","3","1") = "9"
    & skf18("8","10","1","5","10","4","1") = "9"
    & skf18("8","10","1","5","10","5","1") = "9"
    & skf18("8","10","1","5","10","6","1") = "9"
    & skf18("8","10","1","5","10","7","1") = "9"
    & skf18("8","10","1","5","10","8","1") = "9"
    & skf18("8","10","1","5","10","9","1") = "9"
    & skf18("8","10","1","5","10","10","1") = "9"
    & skf18("8","10","1","6","1","1","1") = "9"
    & skf18("8","10","1","6","1","2","1") = "9"
    & skf18("8","10","1","6","1","3","1") = "9"
    & skf18("8","10","1","6","1","4","1") = "9"
    & skf18("8","10","1","6","1","5","1") = "9"
    & skf18("8","10","1","6","1","6","1") = "9"
    & skf18("8","10","1","6","1","7","1") = "9"
    & skf18("8","10","1","6","1","8","1") = "9"
    & skf18("8","10","1","6","1","9","1") = "9"
    & skf18("8","10","1","6","1","10","1") = "9"
    & skf18("8","10","1","6","2","1","1") = "9"
    & skf18("8","10","1","6","2","2","1") = "9"
    & skf18("8","10","1","6","2","3","1") = "9"
    & skf18("8","10","1","6","2","4","1") = "9"
    & skf18("8","10","1","6","2","5","1") = "9"
    & skf18("8","10","1","6","2","6","1") = "9"
    & skf18("8","10","1","6","2","7","1") = "9"
    & skf18("8","10","1","6","2","8","1") = "9"
    & skf18("8","10","1","6","2","9","1") = "9"
    & skf18("8","10","1","6","2","10","1") = "9"
    & skf18("8","10","1","6","3","1","1") = "9"
    & skf18("8","10","1","6","3","2","1") = "9"
    & skf18("8","10","1","6","3","3","1") = "9"
    & skf18("8","10","1","6","3","4","1") = "9"
    & skf18("8","10","1","6","3","5","1") = "9"
    & skf18("8","10","1","6","3","6","1") = "9"
    & skf18("8","10","1","6","3","7","1") = "9"
    & skf18("8","10","1","6","3","8","1") = "9"
    & skf18("8","10","1","6","3","9","1") = "9"
    & skf18("8","10","1","6","3","10","1") = "9"
    & skf18("8","10","1","6","4","1","1") = "9"
    & skf18("8","10","1","6","4","2","1") = "9"
    & skf18("8","10","1","6","4","3","1") = "9"
    & skf18("8","10","1","6","4","4","1") = "9"
    & skf18("8","10","1","6","4","5","1") = "9"
    & skf18("8","10","1","6","4","6","1") = "9"
    & skf18("8","10","1","6","4","7","1") = "9"
    & skf18("8","10","1","6","4","8","1") = "9"
    & skf18("8","10","1","6","4","9","1") = "9"
    & skf18("8","10","1","6","4","10","1") = "9"
    & skf18("8","10","1","6","5","1","1") = "9"
    & skf18("8","10","1","6","5","2","1") = "9"
    & skf18("8","10","1","6","5","3","1") = "9"
    & skf18("8","10","1","6","5","4","1") = "9"
    & skf18("8","10","1","6","5","5","1") = "9"
    & skf18("8","10","1","6","5","6","1") = "9"
    & skf18("8","10","1","6","5","7","1") = "9"
    & skf18("8","10","1","6","5","8","1") = "9"
    & skf18("8","10","1","6","5","9","1") = "9"
    & skf18("8","10","1","6","5","10","1") = "9"
    & skf18("8","10","1","6","6","1","1") = "9"
    & skf18("8","10","1","6","6","2","1") = "9"
    & skf18("8","10","1","6","6","3","1") = "9"
    & skf18("8","10","1","6","6","4","1") = "9"
    & skf18("8","10","1","6","6","5","1") = "9"
    & skf18("8","10","1","6","6","6","1") = "9"
    & skf18("8","10","1","6","6","7","1") = "9"
    & skf18("8","10","1","6","6","8","1") = "9"
    & skf18("8","10","1","6","6","9","1") = "9"
    & skf18("8","10","1","6","6","10","1") = "9"
    & skf18("8","10","1","6","7","1","1") = "9"
    & skf18("8","10","1","6","7","2","1") = "9"
    & skf18("8","10","1","6","7","3","1") = "9"
    & skf18("8","10","1","6","7","4","1") = "9"
    & skf18("8","10","1","6","7","5","1") = "9"
    & skf18("8","10","1","6","7","6","1") = "9"
    & skf18("8","10","1","6","7","7","1") = "9"
    & skf18("8","10","1","6","7","8","1") = "9"
    & skf18("8","10","1","6","7","9","1") = "9"
    & skf18("8","10","1","6","7","10","1") = "9"
    & skf18("8","10","1","6","8","1","1") = "9"
    & skf18("8","10","1","6","8","2","1") = "9"
    & skf18("8","10","1","6","8","3","1") = "9"
    & skf18("8","10","1","6","8","4","1") = "9"
    & skf18("8","10","1","6","8","5","1") = "9"
    & skf18("8","10","1","6","8","6","1") = "9"
    & skf18("8","10","1","6","8","7","1") = "9"
    & skf18("8","10","1","6","8","8","1") = "9"
    & skf18("8","10","1","6","8","9","1") = "9"
    & skf18("8","10","1","6","8","10","1") = "9"
    & skf18("8","10","1","6","9","1","1") = "9"
    & skf18("8","10","1","6","9","2","1") = "9"
    & skf18("8","10","1","6","9","3","1") = "9"
    & skf18("8","10","1","6","9","4","1") = "9"
    & skf18("8","10","1","6","9","5","1") = "9"
    & skf18("8","10","1","6","9","6","1") = "9"
    & skf18("8","10","1","6","9","7","1") = "9"
    & skf18("8","10","1","6","9","8","1") = "9"
    & skf18("8","10","1","6","9","9","1") = "9"
    & skf18("8","10","1","6","9","10","1") = "9"
    & skf18("8","10","1","6","10","1","1") = "9"
    & skf18("8","10","1","6","10","2","1") = "9"
    & skf18("8","10","1","6","10","3","1") = "9"
    & skf18("8","10","1","6","10","4","1") = "9"
    & skf18("8","10","1","6","10","5","1") = "9"
    & skf18("8","10","1","6","10","6","1") = "9"
    & skf18("8","10","1","6","10","7","1") = "9"
    & skf18("8","10","1","6","10","8","1") = "9"
    & skf18("8","10","1","6","10","9","1") = "9"
    & skf18("8","10","1","6","10","10","1") = "9"
    & skf18("8","10","1","7","1","1","1") = "9"
    & skf18("8","10","1","7","1","2","1") = "9"
    & skf18("8","10","1","7","1","3","1") = "9"
    & skf18("8","10","1","7","1","4","1") = "9"
    & skf18("8","10","1","7","1","5","1") = "9"
    & skf18("8","10","1","7","1","6","1") = "9"
    & skf18("8","10","1","7","1","7","1") = "9"
    & skf18("8","10","1","7","1","8","1") = "9"
    & skf18("8","10","1","7","1","9","1") = "9"
    & skf18("8","10","1","7","1","10","1") = "9"
    & skf18("8","10","1","7","2","1","1") = "9"
    & skf18("8","10","1","7","2","2","1") = "9"
    & skf18("8","10","1","7","2","3","1") = "9"
    & skf18("8","10","1","7","2","4","1") = "9"
    & skf18("8","10","1","7","2","5","1") = "9"
    & skf18("8","10","1","7","2","6","1") = "9"
    & skf18("8","10","1","7","2","7","1") = "9"
    & skf18("8","10","1","7","2","8","1") = "9"
    & skf18("8","10","1","7","2","9","1") = "9"
    & skf18("8","10","1","7","2","10","1") = "9"
    & skf18("8","10","1","7","3","1","1") = "9"
    & skf18("8","10","1","7","3","2","1") = "9"
    & skf18("8","10","1","7","3","3","1") = "9"
    & skf18("8","10","1","7","3","4","1") = "9"
    & skf18("8","10","1","7","3","5","1") = "9"
    & skf18("8","10","1","7","3","6","1") = "9"
    & skf18("8","10","1","7","3","7","1") = "9"
    & skf18("8","10","1","7","3","8","1") = "9"
    & skf18("8","10","1","7","3","9","1") = "9"
    & skf18("8","10","1","7","3","10","1") = "9"
    & skf18("8","10","1","7","4","1","1") = "9"
    & skf18("8","10","1","7","4","2","1") = "9"
    & skf18("8","10","1","7","4","3","1") = "9"
    & skf18("8","10","1","7","4","4","1") = "9"
    & skf18("8","10","1","7","4","5","1") = "9"
    & skf18("8","10","1","7","4","6","1") = "9"
    & skf18("8","10","1","7","4","7","1") = "9"
    & skf18("8","10","1","7","4","8","1") = "9"
    & skf18("8","10","1","7","4","9","1") = "9"
    & skf18("8","10","1","7","4","10","1") = "9"
    & skf18("8","10","1","7","5","1","1") = "9"
    & skf18("8","10","1","7","5","2","1") = "9"
    & skf18("8","10","1","7","5","3","1") = "9"
    & skf18("8","10","1","7","5","4","1") = "9"
    & skf18("8","10","1","7","5","5","1") = "9"
    & skf18("8","10","1","7","5","6","1") = "9"
    & skf18("8","10","1","7","5","7","1") = "9"
    & skf18("8","10","1","7","5","8","1") = "9"
    & skf18("8","10","1","7","5","9","1") = "9"
    & skf18("8","10","1","7","5","10","1") = "9"
    & skf18("8","10","1","7","6","1","1") = "9"
    & skf18("8","10","1","7","6","2","1") = "9"
    & skf18("8","10","1","7","6","3","1") = "9"
    & skf18("8","10","1","7","6","4","1") = "9"
    & skf18("8","10","1","7","6","5","1") = "9"
    & skf18("8","10","1","7","6","6","1") = "9"
    & skf18("8","10","1","7","6","7","1") = "9"
    & skf18("8","10","1","7","6","8","1") = "9"
    & skf18("8","10","1","7","6","9","1") = "9"
    & skf18("8","10","1","7","6","10","1") = "9"
    & skf18("8","10","1","7","7","1","1") = "9"
    & skf18("8","10","1","7","7","2","1") = "9"
    & skf18("8","10","1","7","7","3","1") = "9"
    & skf18("8","10","1","7","7","4","1") = "9"
    & skf18("8","10","1","7","7","5","1") = "9"
    & skf18("8","10","1","7","7","6","1") = "9"
    & skf18("8","10","1","7","7","7","1") = "9"
    & skf18("8","10","1","7","7","8","1") = "9"
    & skf18("8","10","1","7","7","9","1") = "9"
    & skf18("8","10","1","7","7","10","1") = "9"
    & skf18("8","10","1","7","8","1","1") = "9"
    & skf18("8","10","1","7","8","2","1") = "9"
    & skf18("8","10","1","7","8","3","1") = "9"
    & skf18("8","10","1","7","8","4","1") = "9"
    & skf18("8","10","1","7","8","5","1") = "9"
    & skf18("8","10","1","7","8","6","1") = "9"
    & skf18("8","10","1","7","8","7","1") = "9"
    & skf18("8","10","1","7","8","8","1") = "9"
    & skf18("8","10","1","7","8","9","1") = "9"
    & skf18("8","10","1","7","8","10","1") = "9"
    & skf18("8","10","1","7","9","1","1") = "9"
    & skf18("8","10","1","7","9","2","1") = "9"
    & skf18("8","10","1","7","9","3","1") = "9"
    & skf18("8","10","1","7","9","4","1") = "9"
    & skf18("8","10","1","7","9","5","1") = "9"
    & skf18("8","10","1","7","9","6","1") = "9"
    & skf18("8","10","1","7","9","7","1") = "9"
    & skf18("8","10","1","7","9","8","1") = "9"
    & skf18("8","10","1","7","9","9","1") = "9"
    & skf18("8","10","1","7","9","10","1") = "9"
    & skf18("8","10","1","7","10","1","1") = "9"
    & skf18("8","10","1","7","10","2","1") = "9"
    & skf18("8","10","1","7","10","3","1") = "9"
    & skf18("8","10","1","7","10","4","1") = "9"
    & skf18("8","10","1","7","10","5","1") = "9"
    & skf18("8","10","1","7","10","6","1") = "9"
    & skf18("8","10","1","7","10","7","1") = "9"
    & skf18("8","10","1","7","10","8","1") = "9"
    & skf18("8","10","1","7","10","9","1") = "9"
    & skf18("8","10","1","7","10","10","1") = "9"
    & skf18("8","10","1","8","1","1","1") = "9"
    & skf18("8","10","1","8","1","2","1") = "9"
    & skf18("8","10","1","8","1","3","1") = "9"
    & skf18("8","10","1","8","1","4","1") = "9"
    & skf18("8","10","1","8","1","5","1") = "9"
    & skf18("8","10","1","8","1","6","1") = "9"
    & skf18("8","10","1","8","1","7","1") = "9"
    & skf18("8","10","1","8","1","8","1") = "9"
    & skf18("8","10","1","8","1","9","1") = "9"
    & skf18("8","10","1","8","1","10","1") = "9"
    & skf18("8","10","1","8","2","1","1") = "9"
    & skf18("8","10","1","8","2","2","1") = "9"
    & skf18("8","10","1","8","2","3","1") = "9"
    & skf18("8","10","1","8","2","4","1") = "9"
    & skf18("8","10","1","8","2","5","1") = "9"
    & skf18("8","10","1","8","2","6","1") = "9"
    & skf18("8","10","1","8","2","7","1") = "9"
    & skf18("8","10","1","8","2","8","1") = "9"
    & skf18("8","10","1","8","2","9","1") = "9"
    & skf18("8","10","1","8","2","10","1") = "9"
    & skf18("8","10","1","8","3","1","1") = "9"
    & skf18("8","10","1","8","3","2","1") = "9"
    & skf18("8","10","1","8","3","3","1") = "9"
    & skf18("8","10","1","8","3","4","1") = "9"
    & skf18("8","10","1","8","3","5","1") = "9"
    & skf18("8","10","1","8","3","6","1") = "9"
    & skf18("8","10","1","8","3","7","1") = "9"
    & skf18("8","10","1","8","3","8","1") = "9"
    & skf18("8","10","1","8","3","9","1") = "9"
    & skf18("8","10","1","8","3","10","1") = "9"
    & skf18("8","10","1","8","4","1","1") = "9"
    & skf18("8","10","1","8","4","2","1") = "9"
    & skf18("8","10","1","8","4","3","1") = "9"
    & skf18("8","10","1","8","4","4","1") = "9"
    & skf18("8","10","1","8","4","5","1") = "9"
    & skf18("8","10","1","8","4","6","1") = "9"
    & skf18("8","10","1","8","4","7","1") = "9"
    & skf18("8","10","1","8","4","8","1") = "9"
    & skf18("8","10","1","8","4","9","1") = "9"
    & skf18("8","10","1","8","4","10","1") = "9"
    & skf18("8","10","1","8","5","1","1") = "9"
    & skf18("8","10","1","8","5","2","1") = "9"
    & skf18("8","10","1","8","5","3","1") = "9"
    & skf18("8","10","1","8","5","4","1") = "9"
    & skf18("8","10","1","8","5","5","1") = "9"
    & skf18("8","10","1","8","5","6","1") = "9"
    & skf18("8","10","1","8","5","7","1") = "9"
    & skf18("8","10","1","8","5","8","1") = "9"
    & skf18("8","10","1","8","5","9","1") = "9"
    & skf18("8","10","1","8","5","10","1") = "9"
    & skf18("8","10","1","8","6","1","1") = "9"
    & skf18("8","10","1","8","6","2","1") = "9"
    & skf18("8","10","1","8","6","3","1") = "9"
    & skf18("8","10","1","8","6","4","1") = "9"
    & skf18("8","10","1","8","6","5","1") = "9"
    & skf18("8","10","1","8","6","6","1") = "9"
    & skf18("8","10","1","8","6","7","1") = "9"
    & skf18("8","10","1","8","6","8","1") = "9"
    & skf18("8","10","1","8","6","9","1") = "9"
    & skf18("8","10","1","8","6","10","1") = "9"
    & skf18("8","10","1","8","7","1","1") = "9"
    & skf18("8","10","1","8","7","2","1") = "9"
    & skf18("8","10","1","8","7","3","1") = "9"
    & skf18("8","10","1","8","7","4","1") = "9"
    & skf18("8","10","1","8","7","5","1") = "9"
    & skf18("8","10","1","8","7","6","1") = "9"
    & skf18("8","10","1","8","7","7","1") = "9"
    & skf18("8","10","1","8","7","8","1") = "9"
    & skf18("8","10","1","8","7","9","1") = "9"
    & skf18("8","10","1","8","7","10","1") = "9"
    & skf18("8","10","1","8","8","1","1") = "9"
    & skf18("8","10","1","8","8","2","1") = "9"
    & skf18("8","10","1","8","8","3","1") = "9"
    & skf18("8","10","1","8","8","4","1") = "9"
    & skf18("8","10","1","8","8","5","1") = "9"
    & skf18("8","10","1","8","8","6","1") = "9"
    & skf18("8","10","1","8","8","7","1") = "9"
    & skf18("8","10","1","8","8","8","1") = "9"
    & skf18("8","10","1","8","8","9","1") = "9"
    & skf18("8","10","1","8","8","10","1") = "9"
    & skf18("8","10","1","8","9","1","1") = "9"
    & skf18("8","10","1","8","9","2","1") = "9"
    & skf18("8","10","1","8","9","3","1") = "9"
    & skf18("8","10","1","8","9","4","1") = "9"
    & skf18("8","10","1","8","9","5","1") = "9"
    & skf18("8","10","1","8","9","6","1") = "9"
    & skf18("8","10","1","8","9","7","1") = "9"
    & skf18("8","10","1","8","9","8","1") = "9"
    & skf18("8","10","1","8","9","9","1") = "9"
    & skf18("8","10","1","8","9","10","1") = "9"
    & skf18("8","10","1","8","10","1","1") = "9"
    & skf18("8","10","1","8","10","2","1") = "9"
    & skf18("8","10","1","8","10","3","1") = "9"
    & skf18("8","10","1","8","10","4","1") = "9"
    & skf18("8","10","1","8","10","5","1") = "9"
    & skf18("8","10","1","8","10","6","1") = "9"
    & skf18("8","10","1","8","10","7","1") = "9"
    & skf18("8","10","1","8","10","8","1") = "9"
    & skf18("8","10","1","8","10","9","1") = "9"
    & skf18("8","10","1","8","10","10","1") = "9"
    & skf18("8","10","1","9","1","1","1") = "9"
    & skf18("8","10","1","9","1","2","1") = "9"
    & skf18("8","10","1","9","1","3","1") = "9"
    & skf18("8","10","1","9","1","4","1") = "9"
    & skf18("8","10","1","9","1","5","1") = "9"
    & skf18("8","10","1","9","1","6","1") = "9"
    & skf18("8","10","1","9","1","7","1") = "9"
    & skf18("8","10","1","9","1","8","1") = "9"
    & skf18("8","10","1","9","1","9","1") = "9"
    & skf18("8","10","1","9","1","10","1") = "9"
    & skf18("8","10","1","9","2","1","1") = "9"
    & skf18("8","10","1","9","2","2","1") = "9"
    & skf18("8","10","1","9","2","3","1") = "9"
    & skf18("8","10","1","9","2","4","1") = "9"
    & skf18("8","10","1","9","2","5","1") = "9"
    & skf18("8","10","1","9","2","6","1") = "9"
    & skf18("8","10","1","9","2","7","1") = "9"
    & skf18("8","10","1","9","2","8","1") = "9"
    & skf18("8","10","1","9","2","9","1") = "9"
    & skf18("8","10","1","9","2","10","1") = "9"
    & skf18("8","10","1","9","3","1","1") = "9"
    & skf18("8","10","1","9","3","2","1") = "9"
    & skf18("8","10","1","9","3","3","1") = "9"
    & skf18("8","10","1","9","3","4","1") = "9"
    & skf18("8","10","1","9","3","5","1") = "9"
    & skf18("8","10","1","9","3","6","1") = "9"
    & skf18("8","10","1","9","3","7","1") = "9"
    & skf18("8","10","1","9","3","8","1") = "9"
    & skf18("8","10","1","9","3","9","1") = "9"
    & skf18("8","10","1","9","3","10","1") = "9"
    & skf18("8","10","1","9","4","1","1") = "9"
    & skf18("8","10","1","9","4","2","1") = "9"
    & skf18("8","10","1","9","4","3","1") = "9"
    & skf18("8","10","1","9","4","4","1") = "9"
    & skf18("8","10","1","9","4","5","1") = "9"
    & skf18("8","10","1","9","4","6","1") = "9"
    & skf18("8","10","1","9","4","7","1") = "9"
    & skf18("8","10","1","9","4","8","1") = "9"
    & skf18("8","10","1","9","4","9","1") = "9"
    & skf18("8","10","1","9","4","10","1") = "9"
    & skf18("8","10","1","9","5","1","1") = "9"
    & skf18("8","10","1","9","5","2","1") = "9"
    & skf18("8","10","1","9","5","3","1") = "9"
    & skf18("8","10","1","9","5","4","1") = "9"
    & skf18("8","10","1","9","5","5","1") = "9"
    & skf18("8","10","1","9","5","6","1") = "9"
    & skf18("8","10","1","9","5","7","1") = "9"
    & skf18("8","10","1","9","5","8","1") = "9"
    & skf18("8","10","1","9","5","9","1") = "9"
    & skf18("8","10","1","9","5","10","1") = "9"
    & skf18("8","10","1","9","6","1","1") = "9"
    & skf18("8","10","1","9","6","2","1") = "9"
    & skf18("8","10","1","9","6","3","1") = "9"
    & skf18("8","10","1","9","6","4","1") = "9"
    & skf18("8","10","1","9","6","5","1") = "9"
    & skf18("8","10","1","9","6","6","1") = "9"
    & skf18("8","10","1","9","6","7","1") = "9"
    & skf18("8","10","1","9","6","8","1") = "9"
    & skf18("8","10","1","9","6","9","1") = "9"
    & skf18("8","10","1","9","6","10","1") = "9"
    & skf18("8","10","1","9","7","1","1") = "9"
    & skf18("8","10","1","9","7","2","1") = "9"
    & skf18("8","10","1","9","7","3","1") = "9"
    & skf18("8","10","1","9","7","4","1") = "9"
    & skf18("8","10","1","9","7","5","1") = "9"
    & skf18("8","10","1","9","7","6","1") = "9"
    & skf18("8","10","1","9","7","7","1") = "9"
    & skf18("8","10","1","9","7","8","1") = "9"
    & skf18("8","10","1","9","7","9","1") = "9"
    & skf18("8","10","1","9","7","10","1") = "9"
    & skf18("8","10","1","9","8","1","1") = "9"
    & skf18("8","10","1","9","8","2","1") = "9"
    & skf18("8","10","1","9","8","3","1") = "9"
    & skf18("8","10","1","9","8","4","1") = "9"
    & skf18("8","10","1","9","8","5","1") = "9"
    & skf18("8","10","1","9","8","6","1") = "9"
    & skf18("8","10","1","9","8","7","1") = "9"
    & skf18("8","10","1","9","8","8","1") = "9"
    & skf18("8","10","1","9","8","9","1") = "9"
    & skf18("8","10","1","9","8","10","1") = "9"
    & skf18("8","10","1","9","9","1","1") = "9"
    & skf18("8","10","1","9","9","2","1") = "9"
    & skf18("8","10","1","9","9","3","1") = "9"
    & skf18("8","10","1","9","9","4","1") = "9"
    & skf18("8","10","1","9","9","5","1") = "9"
    & skf18("8","10","1","9","9","6","1") = "9"
    & skf18("8","10","1","9","9","7","1") = "9"
    & skf18("8","10","1","9","9","8","1") = "9"
    & skf18("8","10","1","9","9","9","1") = "9"
    & skf18("8","10","1","9","9","10","1") = "9"
    & skf18("8","10","1","9","10","1","1") = "9"
    & skf18("8","10","1","9","10","2","1") = "9"
    & skf18("8","10","1","9","10","3","1") = "9"
    & skf18("8","10","1","9","10","4","1") = "9"
    & skf18("8","10","1","9","10","5","1") = "9"
    & skf18("8","10","1","9","10","6","1") = "9"
    & skf18("8","10","1","9","10","7","1") = "9"
    & skf18("8","10","1","9","10","8","1") = "9"
    & skf18("8","10","1","9","10","9","1") = "9"
    & skf18("8","10","1","9","10","10","1") = "9"
    & skf18("8","10","1","10","1","1","1") = "9"
    & skf18("8","10","1","10","1","2","1") = "9"
    & skf18("8","10","1","10","1","3","1") = "9"
    & skf18("8","10","1","10","1","4","1") = "9"
    & skf18("8","10","1","10","1","5","1") = "9"
    & skf18("8","10","1","10","1","6","1") = "9"
    & skf18("8","10","1","10","1","7","1") = "9"
    & skf18("8","10","1","10","1","8","1") = "9"
    & skf18("8","10","1","10","1","9","1") = "9"
    & skf18("8","10","1","10","1","10","1") = "9"
    & skf18("8","10","1","10","2","1","1") = "9"
    & skf18("8","10","1","10","2","2","1") = "9"
    & skf18("8","10","1","10","2","3","1") = "9"
    & skf18("8","10","1","10","2","4","1") = "9"
    & skf18("8","10","1","10","2","5","1") = "9"
    & skf18("8","10","1","10","2","6","1") = "9"
    & skf18("8","10","1","10","2","7","1") = "9"
    & skf18("8","10","1","10","2","8","1") = "9"
    & skf18("8","10","1","10","2","9","1") = "9"
    & skf18("8","10","1","10","2","10","1") = "9"
    & skf18("8","10","1","10","3","1","1") = "9"
    & skf18("8","10","1","10","3","2","1") = "9"
    & skf18("8","10","1","10","3","3","1") = "9"
    & skf18("8","10","1","10","3","4","1") = "9"
    & skf18("8","10","1","10","3","5","1") = "9"
    & skf18("8","10","1","10","3","6","1") = "9"
    & skf18("8","10","1","10","3","7","1") = "9"
    & skf18("8","10","1","10","3","8","1") = "9"
    & skf18("8","10","1","10","3","9","1") = "9"
    & skf18("8","10","1","10","3","10","1") = "9"
    & skf18("8","10","1","10","4","1","1") = "9"
    & skf18("8","10","1","10","4","2","1") = "9"
    & skf18("8","10","1","10","4","3","1") = "9"
    & skf18("8","10","1","10","4","4","1") = "9"
    & skf18("8","10","1","10","4","5","1") = "9"
    & skf18("8","10","1","10","4","6","1") = "9"
    & skf18("8","10","1","10","4","7","1") = "9"
    & skf18("8","10","1","10","4","8","1") = "9"
    & skf18("8","10","1","10","4","9","1") = "9"
    & skf18("8","10","1","10","4","10","1") = "9"
    & skf18("8","10","1","10","5","1","1") = "9"
    & skf18("8","10","1","10","5","2","1") = "9"
    & skf18("8","10","1","10","5","3","1") = "9"
    & skf18("8","10","1","10","5","4","1") = "9"
    & skf18("8","10","1","10","5","5","1") = "9"
    & skf18("8","10","1","10","5","6","1") = "9"
    & skf18("8","10","1","10","5","7","1") = "9"
    & skf18("8","10","1","10","5","8","1") = "9"
    & skf18("8","10","1","10","5","9","1") = "9"
    & skf18("8","10","1","10","5","10","1") = "9"
    & skf18("8","10","1","10","6","1","1") = "9"
    & skf18("8","10","1","10","6","2","1") = "9"
    & skf18("8","10","1","10","6","3","1") = "9"
    & skf18("8","10","1","10","6","4","1") = "9"
    & skf18("8","10","1","10","6","5","1") = "9"
    & skf18("8","10","1","10","6","6","1") = "9"
    & skf18("8","10","1","10","6","7","1") = "9"
    & skf18("8","10","1","10","6","8","1") = "9"
    & skf18("8","10","1","10","6","9","1") = "9"
    & skf18("8","10","1","10","6","10","1") = "9"
    & skf18("8","10","1","10","7","1","1") = "9"
    & skf18("8","10","1","10","7","2","1") = "9"
    & skf18("8","10","1","10","7","3","1") = "9"
    & skf18("8","10","1","10","7","4","1") = "9"
    & skf18("8","10","1","10","7","5","1") = "9"
    & skf18("8","10","1","10","7","6","1") = "9"
    & skf18("8","10","1","10","7","7","1") = "9"
    & skf18("8","10","1","10","7","8","1") = "9"
    & skf18("8","10","1","10","7","9","1") = "9"
    & skf18("8","10","1","10","7","10","1") = "9"
    & skf18("8","10","1","10","8","1","1") = "9"
    & skf18("8","10","1","10","8","2","1") = "9"
    & skf18("8","10","1","10","8","3","1") = "9"
    & skf18("8","10","1","10","8","4","1") = "9"
    & skf18("8","10","1","10","8","5","1") = "9"
    & skf18("8","10","1","10","8","6","1") = "9"
    & skf18("8","10","1","10","8","7","1") = "9"
    & skf18("8","10","1","10","8","8","1") = "9"
    & skf18("8","10","1","10","8","9","1") = "9"
    & skf18("8","10","1","10","8","10","1") = "9"
    & skf18("8","10","1","10","9","1","1") = "9"
    & skf18("8","10","1","10","9","2","1") = "9"
    & skf18("8","10","1","10","9","3","1") = "9"
    & skf18("8","10","1","10","9","4","1") = "9"
    & skf18("8","10","1","10","9","5","1") = "9"
    & skf18("8","10","1","10","9","6","1") = "9"
    & skf18("8","10","1","10","9","7","1") = "9"
    & skf18("8","10","1","10","9","8","1") = "9"
    & skf18("8","10","1","10","9","9","1") = "9"
    & skf18("8","10","1","10","9","10","1") = "9"
    & skf18("8","10","1","10","10","1","1") = "9"
    & skf18("8","10","1","10","10","2","1") = "9"
    & skf18("8","10","1","10","10","3","1") = "9"
    & skf18("8","10","1","10","10","4","1") = "9"
    & skf18("8","10","1","10","10","5","1") = "9"
    & skf18("8","10","1","10","10","6","1") = "9"
    & skf18("8","10","1","10","10","7","1") = "9"
    & skf18("8","10","1","10","10","8","1") = "9"
    & skf18("8","10","1","10","10","9","1") = "9"
    & skf18("8","10","1","10","10","10","1") = "9"
    & skf18("8","10","2","1","1","1","1") = "9"
    & skf18("8","10","2","1","1","2","1") = "9"
    & skf18("8","10","2","1","1","3","1") = "9"
    & skf18("8","10","2","1","1","4","1") = "9"
    & skf18("8","10","2","1","1","5","1") = "9"
    & skf18("8","10","2","1","1","6","1") = "9"
    & skf18("8","10","2","1","1","7","1") = "9"
    & skf18("8","10","2","1","1","8","1") = "9"
    & skf18("8","10","2","1","1","9","1") = "9"
    & skf18("8","10","2","1","1","10","1") = "9"
    & skf18("8","10","2","1","2","1","1") = "9"
    & skf18("8","10","2","1","2","2","1") = "9"
    & skf18("8","10","2","1","2","3","1") = "9"
    & skf18("8","10","2","1","2","4","1") = "9"
    & skf18("8","10","2","1","2","5","1") = "9"
    & skf18("8","10","2","1","2","6","1") = "9"
    & skf18("8","10","2","1","2","7","1") = "9"
    & skf18("8","10","2","1","2","8","1") = "9"
    & skf18("8","10","2","1","2","9","1") = "9"
    & skf18("8","10","2","1","2","10","1") = "9"
    & skf18("8","10","2","1","3","1","1") = "9"
    & skf18("8","10","2","1","3","2","1") = "9"
    & skf18("8","10","2","1","3","3","1") = "9"
    & skf18("8","10","2","1","3","4","1") = "9"
    & skf18("8","10","2","1","3","5","1") = "9"
    & skf18("8","10","2","1","3","6","1") = "9"
    & skf18("8","10","2","1","3","7","1") = "9"
    & skf18("8","10","2","1","3","8","1") = "9"
    & skf18("8","10","2","1","3","9","1") = "9"
    & skf18("8","10","2","1","3","10","1") = "9"
    & skf18("8","10","2","1","4","1","1") = "9"
    & skf18("8","10","2","1","4","2","1") = "9"
    & skf18("8","10","2","1","4","3","1") = "9"
    & skf18("8","10","2","1","4","4","1") = "9"
    & skf18("8","10","2","1","4","5","1") = "9"
    & skf18("8","10","2","1","4","6","1") = "9"
    & skf18("8","10","2","1","4","7","1") = "9"
    & skf18("8","10","2","1","4","8","1") = "9"
    & skf18("8","10","2","1","4","9","1") = "9"
    & skf18("8","10","2","1","4","10","1") = "9"
    & skf18("8","10","2","1","5","1","1") = "9"
    & skf18("8","10","2","1","5","2","1") = "9"
    & skf18("8","10","2","1","5","3","1") = "9"
    & skf18("8","10","2","1","5","4","1") = "9"
    & skf18("8","10","2","1","5","5","1") = "9"
    & skf18("8","10","2","1","5","6","1") = "9"
    & skf18("8","10","2","1","5","7","1") = "9"
    & skf18("8","10","2","1","5","8","1") = "9"
    & skf18("8","10","2","1","5","9","1") = "9"
    & skf18("8","10","2","1","5","10","1") = "9"
    & skf18("8","10","2","1","6","1","1") = "9"
    & skf18("8","10","2","1","6","2","1") = "9"
    & skf18("8","10","2","1","6","3","1") = "9"
    & skf18("8","10","2","1","6","4","1") = "9"
    & skf18("8","10","2","1","6","5","1") = "9"
    & skf18("8","10","2","1","6","6","1") = "9"
    & skf18("8","10","2","1","6","7","1") = "9"
    & skf18("8","10","2","1","6","8","1") = "9"
    & skf18("8","10","2","1","6","9","1") = "9"
    & skf18("8","10","2","1","6","10","1") = "9"
    & skf18("8","10","2","1","7","1","1") = "9"
    & skf18("8","10","2","1","7","2","1") = "9"
    & skf18("8","10","2","1","7","3","1") = "9"
    & skf18("8","10","2","1","7","4","1") = "9"
    & skf18("8","10","2","1","7","5","1") = "9"
    & skf18("8","10","2","1","7","6","1") = "9"
    & skf18("8","10","2","1","7","7","1") = "9"
    & skf18("8","10","2","1","7","8","1") = "9"
    & skf18("8","10","2","1","7","9","1") = "9"
    & skf18("8","10","2","1","7","10","1") = "9"
    & skf18("8","10","2","1","8","1","1") = "9"
    & skf18("8","10","2","1","8","2","1") = "9"
    & skf18("8","10","2","1","8","3","1") = "9"
    & skf18("8","10","2","1","8","4","1") = "9"
    & skf18("8","10","2","1","8","5","1") = "9"
    & skf18("8","10","2","1","8","6","1") = "9"
    & skf18("8","10","2","1","8","7","1") = "9"
    & skf18("8","10","2","1","8","8","1") = "9"
    & skf18("8","10","2","1","8","9","1") = "9"
    & skf18("8","10","2","1","8","10","1") = "9"
    & skf18("8","10","2","1","9","1","1") = "9"
    & skf18("8","10","2","1","9","2","1") = "9"
    & skf18("8","10","2","1","9","3","1") = "9"
    & skf18("8","10","2","1","9","4","1") = "9"
    & skf18("8","10","2","1","9","5","1") = "9"
    & skf18("8","10","2","1","9","6","1") = "9"
    & skf18("8","10","2","1","9","7","1") = "9"
    & skf18("8","10","2","1","9","8","1") = "9"
    & skf18("8","10","2","1","9","9","1") = "9"
    & skf18("8","10","2","1","9","10","1") = "9"
    & skf18("8","10","2","1","10","1","1") = "9"
    & skf18("8","10","2","1","10","2","1") = "9"
    & skf18("8","10","2","1","10","3","1") = "9"
    & skf18("8","10","2","1","10","4","1") = "9"
    & skf18("8","10","2","1","10","5","1") = "9"
    & skf18("8","10","2","1","10","6","1") = "9"
    & skf18("8","10","2","1","10","7","1") = "9"
    & skf18("8","10","2","1","10","8","1") = "9"
    & skf18("8","10","2","1","10","9","1") = "9"
    & skf18("8","10","2","1","10","10","1") = "9"
    & skf18("8","10","2","2","1","1","1") = "9"
    & skf18("8","10","2","2","1","2","1") = "9"
    & skf18("8","10","2","2","1","3","1") = "9"
    & skf18("8","10","2","2","1","4","1") = "9"
    & skf18("8","10","2","2","1","5","1") = "9"
    & skf18("8","10","2","2","1","6","1") = "9"
    & skf18("8","10","2","2","1","7","1") = "9"
    & skf18("8","10","2","2","1","8","1") = "9"
    & skf18("8","10","2","2","1","9","1") = "9"
    & skf18("8","10","2","2","1","10","1") = "9"
    & skf18("8","10","2","2","2","1","1") = "9"
    & skf18("8","10","2","2","2","2","1") = "9"
    & skf18("8","10","2","2","2","3","1") = "9"
    & skf18("8","10","2","2","2","4","1") = "9"
    & skf18("8","10","2","2","2","5","1") = "9"
    & skf18("8","10","2","2","2","6","1") = "9"
    & skf18("8","10","2","2","2","7","1") = "9"
    & skf18("8","10","2","2","2","8","1") = "9"
    & skf18("8","10","2","2","2","9","1") = "9"
    & skf18("8","10","2","2","2","10","1") = "9"
    & skf18("8","10","2","2","3","1","1") = "9"
    & skf18("8","10","2","2","3","2","1") = "9"
    & skf18("8","10","2","2","3","3","1") = "9"
    & skf18("8","10","2","2","3","4","1") = "9"
    & skf18("8","10","2","2","3","5","1") = "9"
    & skf18("8","10","2","2","3","6","1") = "9"
    & skf18("8","10","2","2","3","7","1") = "9"
    & skf18("8","10","2","2","3","8","1") = "9"
    & skf18("8","10","2","2","3","9","1") = "9"
    & skf18("8","10","2","2","3","10","1") = "9"
    & skf18("8","10","2","2","4","1","1") = "9"
    & skf18("8","10","2","2","4","2","1") = "9"
    & skf18("8","10","2","2","4","3","1") = "9"
    & skf18("8","10","2","2","4","4","1") = "9"
    & skf18("8","10","2","2","4","5","1") = "9"
    & skf18("8","10","2","2","4","6","1") = "9"
    & skf18("8","10","2","2","4","7","1") = "9"
    & skf18("8","10","2","2","4","8","1") = "9"
    & skf18("8","10","2","2","4","9","1") = "9"
    & skf18("8","10","2","2","4","10","1") = "9"
    & skf18("8","10","2","2","5","1","1") = "9"
    & skf18("8","10","2","2","5","2","1") = "9"
    & skf18("8","10","2","2","5","3","1") = "9"
    & skf18("8","10","2","2","5","4","1") = "9"
    & skf18("8","10","2","2","5","5","1") = "9"
    & skf18("8","10","2","2","5","6","1") = "9"
    & skf18("8","10","2","2","5","7","1") = "9"
    & skf18("8","10","2","2","5","8","1") = "9"
    & skf18("8","10","2","2","5","9","1") = "9"
    & skf18("8","10","2","2","5","10","1") = "9"
    & skf18("8","10","2","2","6","1","1") = "9"
    & skf18("8","10","2","2","6","2","1") = "9"
    & skf18("8","10","2","2","6","3","1") = "9"
    & skf18("8","10","2","2","6","4","1") = "9"
    & skf18("8","10","2","2","6","5","1") = "9"
    & skf18("8","10","2","2","6","6","1") = "9"
    & skf18("8","10","2","2","6","7","1") = "9"
    & skf18("8","10","2","2","6","8","1") = "9"
    & skf18("8","10","2","2","6","9","1") = "9"
    & skf18("8","10","2","2","6","10","1") = "9"
    & skf18("8","10","2","2","7","1","1") = "9"
    & skf18("8","10","2","2","7","2","1") = "9"
    & skf18("8","10","2","2","7","3","1") = "9"
    & skf18("8","10","2","2","7","4","1") = "9"
    & skf18("8","10","2","2","7","5","1") = "9"
    & skf18("8","10","2","2","7","6","1") = "9"
    & skf18("8","10","2","2","7","7","1") = "9"
    & skf18("8","10","2","2","7","8","1") = "9"
    & skf18("8","10","2","2","7","9","1") = "9"
    & skf18("8","10","2","2","7","10","1") = "9"
    & skf18("8","10","2","2","8","1","1") = "9"
    & skf18("8","10","2","2","8","2","1") = "9"
    & skf18("8","10","2","2","8","3","1") = "9"
    & skf18("8","10","2","2","8","4","1") = "9"
    & skf18("8","10","2","2","8","5","1") = "9"
    & skf18("8","10","2","2","8","6","1") = "9"
    & skf18("8","10","2","2","8","7","1") = "9"
    & skf18("8","10","2","2","8","8","1") = "9"
    & skf18("8","10","2","2","8","9","1") = "9"
    & skf18("8","10","2","2","8","10","1") = "9"
    & skf18("8","10","2","2","9","1","1") = "9"
    & skf18("8","10","2","2","9","2","1") = "9"
    & skf18("8","10","2","2","9","3","1") = "9"
    & skf18("8","10","2","2","9","4","1") = "9"
    & skf18("8","10","2","2","9","5","1") = "9"
    & skf18("8","10","2","2","9","6","1") = "9"
    & skf18("8","10","2","2","9","7","1") = "9"
    & skf18("8","10","2","2","9","8","1") = "9"
    & skf18("8","10","2","2","9","9","1") = "9"
    & skf18("8","10","2","2","9","10","1") = "9"
    & skf18("8","10","2","2","10","1","1") = "9"
    & skf18("8","10","2","2","10","2","1") = "9"
    & skf18("8","10","2","2","10","3","1") = "9"
    & skf18("8","10","2","2","10","4","1") = "9"
    & skf18("8","10","2","2","10","5","1") = "9"
    & skf18("8","10","2","2","10","6","1") = "9"
    & skf18("8","10","2","2","10","7","1") = "9"
    & skf18("8","10","2","2","10","8","1") = "9"
    & skf18("8","10","2","2","10","9","1") = "9"
    & skf18("8","10","2","2","10","10","1") = "9"
    & skf18("8","10","2","3","1","1","1") = "9"
    & skf18("8","10","2","3","1","2","1") = "9"
    & skf18("8","10","2","3","1","3","1") = "9"
    & skf18("8","10","2","3","1","4","1") = "9"
    & skf18("8","10","2","3","1","5","1") = "9"
    & skf18("8","10","2","3","1","6","1") = "9"
    & skf18("8","10","2","3","1","7","1") = "9"
    & skf18("8","10","2","3","1","8","1") = "9"
    & skf18("8","10","2","3","1","9","1") = "9"
    & skf18("8","10","2","3","1","10","1") = "9"
    & skf18("8","10","2","3","2","1","1") = "9"
    & skf18("8","10","2","3","2","2","1") = "9"
    & skf18("8","10","2","3","2","3","1") = "9"
    & skf18("8","10","2","3","2","4","1") = "9"
    & skf18("8","10","2","3","2","5","1") = "9"
    & skf18("8","10","2","3","2","6","1") = "9"
    & skf18("8","10","2","3","2","7","1") = "9"
    & skf18("8","10","2","3","2","8","1") = "9"
    & skf18("8","10","2","3","2","9","1") = "9"
    & skf18("8","10","2","3","2","10","1") = "9"
    & skf18("8","10","2","3","3","1","1") = "9"
    & skf18("8","10","2","3","3","2","1") = "9"
    & skf18("8","10","2","3","3","3","1") = "9"
    & skf18("8","10","2","3","3","4","1") = "9"
    & skf18("8","10","2","3","3","5","1") = "9"
    & skf18("8","10","2","3","3","6","1") = "9"
    & skf18("8","10","2","3","3","7","1") = "9"
    & skf18("8","10","2","3","3","8","1") = "9"
    & skf18("8","10","2","3","3","9","1") = "9"
    & skf18("8","10","2","3","3","10","1") = "9"
    & skf18("8","10","2","3","4","1","1") = "9"
    & skf18("8","10","2","3","4","2","1") = "9"
    & skf18("8","10","2","3","4","3","1") = "9"
    & skf18("8","10","2","3","4","4","1") = "9"
    & skf18("8","10","2","3","4","5","1") = "9"
    & skf18("8","10","2","3","4","6","1") = "9"
    & skf18("8","10","2","3","4","7","1") = "9"
    & skf18("8","10","2","3","4","8","1") = "9"
    & skf18("8","10","2","3","4","9","1") = "9"
    & skf18("8","10","2","3","4","10","1") = "9"
    & skf18("8","10","2","3","5","1","1") = "9"
    & skf18("8","10","2","3","5","2","1") = "9"
    & skf18("8","10","2","3","5","3","1") = "9"
    & skf18("8","10","2","3","5","4","1") = "9"
    & skf18("8","10","2","3","5","5","1") = "9"
    & skf18("8","10","2","3","5","6","1") = "9"
    & skf18("8","10","2","3","5","7","1") = "9"
    & skf18("8","10","2","3","5","8","1") = "9"
    & skf18("8","10","2","3","5","9","1") = "9"
    & skf18("8","10","2","3","5","10","1") = "9"
    & skf18("8","10","2","3","6","1","1") = "9"
    & skf18("8","10","2","3","6","2","1") = "9"
    & skf18("8","10","2","3","6","3","1") = "9"
    & skf18("8","10","2","3","6","4","1") = "9"
    & skf18("8","10","2","3","6","5","1") = "9"
    & skf18("8","10","2","3","6","6","1") = "9"
    & skf18("8","10","2","3","6","7","1") = "9"
    & skf18("8","10","2","3","6","8","1") = "9"
    & skf18("8","10","2","3","6","9","1") = "9"
    & skf18("8","10","2","3","6","10","1") = "9"
    & skf18("8","10","2","3","7","1","1") = "9"
    & skf18("8","10","2","3","7","2","1") = "9"
    & skf18("8","10","2","3","7","3","1") = "9"
    & skf18("8","10","2","3","7","4","1") = "9"
    & skf18("8","10","2","3","7","5","1") = "9"
    & skf18("8","10","2","3","7","6","1") = "9"
    & skf18("8","10","2","3","7","7","1") = "9"
    & skf18("8","10","2","3","7","8","1") = "9"
    & skf18("8","10","2","3","7","9","1") = "9"
    & skf18("8","10","2","3","7","10","1") = "9"
    & skf18("8","10","2","3","8","1","1") = "9"
    & skf18("8","10","2","3","8","2","1") = "9"
    & skf18("8","10","2","3","8","3","1") = "9"
    & skf18("8","10","2","3","8","4","1") = "9"
    & skf18("8","10","2","3","8","5","1") = "9"
    & skf18("8","10","2","3","8","6","1") = "9"
    & skf18("8","10","2","3","8","7","1") = "9"
    & skf18("8","10","2","3","8","8","1") = "9"
    & skf18("8","10","2","3","8","9","1") = "9"
    & skf18("8","10","2","3","8","10","1") = "9"
    & skf18("8","10","2","3","9","1","1") = "9"
    & skf18("8","10","2","3","9","2","1") = "9"
    & skf18("8","10","2","3","9","3","1") = "9"
    & skf18("8","10","2","3","9","4","1") = "9"
    & skf18("8","10","2","3","9","5","1") = "9"
    & skf18("8","10","2","3","9","6","1") = "9"
    & skf18("8","10","2","3","9","7","1") = "9"
    & skf18("8","10","2","3","9","8","1") = "9"
    & skf18("8","10","2","3","9","9","1") = "9"
    & skf18("8","10","2","3","9","10","1") = "9"
    & skf18("8","10","2","3","10","1","1") = "9"
    & skf18("8","10","2","3","10","2","1") = "9"
    & skf18("8","10","2","3","10","3","1") = "9"
    & skf18("8","10","2","3","10","4","1") = "9"
    & skf18("8","10","2","3","10","5","1") = "9"
    & skf18("8","10","2","3","10","6","1") = "9"
    & skf18("8","10","2","3","10","7","1") = "9"
    & skf18("8","10","2","3","10","8","1") = "9"
    & skf18("8","10","2","3","10","9","1") = "9"
    & skf18("8","10","2","3","10","10","1") = "9"
    & skf18("8","10","2","4","1","1","1") = "9"
    & skf18("8","10","2","4","1","2","1") = "9"
    & skf18("8","10","2","4","1","3","1") = "9"
    & skf18("8","10","2","4","1","4","1") = "9"
    & skf18("8","10","2","4","1","5","1") = "9"
    & skf18("8","10","2","4","1","6","1") = "9"
    & skf18("8","10","2","4","1","7","1") = "9"
    & skf18("8","10","2","4","1","8","1") = "9"
    & skf18("8","10","2","4","1","9","1") = "9"
    & skf18("8","10","2","4","1","10","1") = "9"
    & skf18("8","10","2","4","2","1","1") = "9"
    & skf18("8","10","2","4","2","2","1") = "9"
    & skf18("8","10","2","4","2","3","1") = "9"
    & skf18("8","10","2","4","2","4","1") = "9"
    & skf18("8","10","2","4","2","5","1") = "9"
    & skf18("8","10","2","4","2","6","1") = "9"
    & skf18("8","10","2","4","2","7","1") = "9"
    & skf18("8","10","2","4","2","8","1") = "9"
    & skf18("8","10","2","4","2","9","1") = "9"
    & skf18("8","10","2","4","2","10","1") = "9"
    & skf18("8","10","2","4","3","1","1") = "9"
    & skf18("8","10","2","4","3","2","1") = "9"
    & skf18("8","10","2","4","3","3","1") = "9"
    & skf18("8","10","2","4","3","4","1") = "9"
    & skf18("8","10","2","4","3","5","1") = "9"
    & skf18("8","10","2","4","3","6","1") = "9"
    & skf18("8","10","2","4","3","7","1") = "9"
    & skf18("8","10","2","4","3","8","1") = "9"
    & skf18("8","10","2","4","3","9","1") = "9"
    & skf18("8","10","2","4","3","10","1") = "9"
    & skf18("8","10","2","4","4","1","1") = "9"
    & skf18("8","10","2","4","4","2","1") = "9"
    & skf18("8","10","2","4","4","3","1") = "9"
    & skf18("8","10","2","4","4","4","1") = "9"
    & skf18("8","10","2","4","4","5","1") = "9"
    & skf18("8","10","2","4","4","6","1") = "9"
    & skf18("8","10","2","4","4","7","1") = "9"
    & skf18("8","10","2","4","4","8","1") = "9"
    & skf18("8","10","2","4","4","9","1") = "9"
    & skf18("8","10","2","4","4","10","1") = "9"
    & skf18("8","10","2","4","5","1","1") = "9"
    & skf18("8","10","2","4","5","2","1") = "9"
    & skf18("8","10","2","4","5","3","1") = "9"
    & skf18("8","10","2","4","5","4","1") = "9"
    & skf18("8","10","2","4","5","5","1") = "9"
    & skf18("8","10","2","4","5","6","1") = "9"
    & skf18("8","10","2","4","5","7","1") = "9"
    & skf18("8","10","2","4","5","8","1") = "9"
    & skf18("8","10","2","4","5","9","1") = "9"
    & skf18("8","10","2","4","5","10","1") = "9"
    & skf18("8","10","2","4","6","1","1") = "9"
    & skf18("8","10","2","4","6","2","1") = "9"
    & skf18("8","10","2","4","6","3","1") = "9"
    & skf18("8","10","2","4","6","4","1") = "9"
    & skf18("8","10","2","4","6","5","1") = "9"
    & skf18("8","10","2","4","6","6","1") = "9"
    & skf18("8","10","2","4","6","7","1") = "9"
    & skf18("8","10","2","4","6","8","1") = "9"
    & skf18("8","10","2","4","6","9","1") = "9"
    & skf18("8","10","2","4","6","10","1") = "9"
    & skf18("8","10","2","4","7","1","1") = "9"
    & skf18("8","10","2","4","7","2","1") = "9"
    & skf18("8","10","2","4","7","3","1") = "9"
    & skf18("8","10","2","4","7","4","1") = "9"
    & skf18("8","10","2","4","7","5","1") = "9"
    & skf18("8","10","2","4","7","6","1") = "9"
    & skf18("8","10","2","4","7","7","1") = "9"
    & skf18("8","10","2","4","7","8","1") = "9"
    & skf18("8","10","2","4","7","9","1") = "9"
    & skf18("8","10","2","4","7","10","1") = "9"
    & skf18("8","10","2","4","8","1","1") = "9"
    & skf18("8","10","2","4","8","2","1") = "9"
    & skf18("8","10","2","4","8","3","1") = "9"
    & skf18("8","10","2","4","8","4","1") = "9"
    & skf18("8","10","2","4","8","5","1") = "9"
    & skf18("8","10","2","4","8","6","1") = "9"
    & skf18("8","10","2","4","8","7","1") = "9"
    & skf18("8","10","2","4","8","8","1") = "9"
    & skf18("8","10","2","4","8","9","1") = "9"
    & skf18("8","10","2","4","8","10","1") = "9"
    & skf18("8","10","2","4","9","1","1") = "9"
    & skf18("8","10","2","4","9","2","1") = "9"
    & skf18("8","10","2","4","9","3","1") = "9"
    & skf18("8","10","2","4","9","4","1") = "9"
    & skf18("8","10","2","4","9","5","1") = "9"
    & skf18("8","10","2","4","9","6","1") = "9"
    & skf18("8","10","2","4","9","7","1") = "9"
    & skf18("8","10","2","4","9","8","1") = "9"
    & skf18("8","10","2","4","9","9","1") = "9"
    & skf18("8","10","2","4","9","10","1") = "9"
    & skf18("8","10","2","4","10","1","1") = "9"
    & skf18("8","10","2","4","10","2","1") = "9"
    & skf18("8","10","2","4","10","3","1") = "9"
    & skf18("8","10","2","4","10","4","1") = "9"
    & skf18("8","10","2","4","10","5","1") = "9"
    & skf18("8","10","2","4","10","6","1") = "9"
    & skf18("8","10","2","4","10","7","1") = "9"
    & skf18("8","10","2","4","10","8","1") = "9"
    & skf18("8","10","2","4","10","9","1") = "9"
    & skf18("8","10","2","4","10","10","1") = "9"
    & skf18("8","10","2","5","1","1","1") = "9"
    & skf18("8","10","2","5","1","2","1") = "9"
    & skf18("8","10","2","5","1","3","1") = "9"
    & skf18("8","10","2","5","1","4","1") = "9"
    & skf18("8","10","2","5","1","5","1") = "9"
    & skf18("8","10","2","5","1","6","1") = "9"
    & skf18("8","10","2","5","1","7","1") = "9"
    & skf18("8","10","2","5","1","8","1") = "9"
    & skf18("8","10","2","5","1","9","1") = "9"
    & skf18("8","10","2","5","1","10","1") = "9"
    & skf18("8","10","2","5","2","1","1") = "9"
    & skf18("8","10","2","5","2","2","1") = "9"
    & skf18("8","10","2","5","2","3","1") = "9"
    & skf18("8","10","2","5","2","4","1") = "9"
    & skf18("8","10","2","5","2","5","1") = "9"
    & skf18("8","10","2","5","2","6","1") = "9"
    & skf18("8","10","2","5","2","7","1") = "9"
    & skf18("8","10","2","5","2","8","1") = "9"
    & skf18("8","10","2","5","2","9","1") = "9"
    & skf18("8","10","2","5","2","10","1") = "9"
    & skf18("8","10","2","5","3","1","1") = "9"
    & skf18("8","10","2","5","3","2","1") = "9"
    & skf18("8","10","2","5","3","3","1") = "9"
    & skf18("8","10","2","5","3","4","1") = "9"
    & skf18("8","10","2","5","3","5","1") = "9"
    & skf18("8","10","2","5","3","6","1") = "9"
    & skf18("8","10","2","5","3","7","1") = "9"
    & skf18("8","10","2","5","3","8","1") = "9"
    & skf18("8","10","2","5","3","9","1") = "9"
    & skf18("8","10","2","5","3","10","1") = "9"
    & skf18("8","10","2","5","4","1","1") = "9"
    & skf18("8","10","2","5","4","2","1") = "9"
    & skf18("8","10","2","5","4","3","1") = "9"
    & skf18("8","10","2","5","4","4","1") = "9"
    & skf18("8","10","2","5","4","5","1") = "9"
    & skf18("8","10","2","5","4","6","1") = "9"
    & skf18("8","10","2","5","4","7","1") = "9"
    & skf18("8","10","2","5","4","8","1") = "9"
    & skf18("8","10","2","5","4","9","1") = "9"
    & skf18("8","10","2","5","4","10","1") = "9"
    & skf18("8","10","2","5","5","1","1") = "9"
    & skf18("8","10","2","5","5","2","1") = "9"
    & skf18("8","10","2","5","5","3","1") = "9"
    & skf18("8","10","2","5","5","4","1") = "9"
    & skf18("8","10","2","5","5","5","1") = "9"
    & skf18("8","10","2","5","5","6","1") = "9"
    & skf18("8","10","2","5","5","7","1") = "9"
    & skf18("8","10","2","5","5","8","1") = "9"
    & skf18("8","10","2","5","5","9","1") = "9"
    & skf18("8","10","2","5","5","10","1") = "9"
    & skf18("8","10","2","5","6","1","1") = "9"
    & skf18("8","10","2","5","6","2","1") = "9"
    & skf18("8","10","2","5","6","3","1") = "9"
    & skf18("8","10","2","5","6","4","1") = "9"
    & skf18("8","10","2","5","6","5","1") = "9"
    & skf18("8","10","2","5","6","6","1") = "9"
    & skf18("8","10","2","5","6","7","1") = "9"
    & skf18("8","10","2","5","6","8","1") = "9"
    & skf18("8","10","2","5","6","9","1") = "9"
    & skf18("8","10","2","5","6","10","1") = "9"
    & skf18("8","10","2","5","7","1","1") = "9"
    & skf18("8","10","2","5","7","2","1") = "9"
    & skf18("8","10","2","5","7","3","1") = "9"
    & skf18("8","10","2","5","7","4","1") = "9"
    & skf18("8","10","2","5","7","5","1") = "9"
    & skf18("8","10","2","5","7","6","1") = "9"
    & skf18("8","10","2","5","7","7","1") = "9"
    & skf18("8","10","2","5","7","8","1") = "9"
    & skf18("8","10","2","5","7","9","1") = "9"
    & skf18("8","10","2","5","7","10","1") = "9"
    & skf18("8","10","2","5","8","1","1") = "9"
    & skf18("8","10","2","5","8","2","1") = "9"
    & skf18("8","10","2","5","8","3","1") = "9"
    & skf18("8","10","2","5","8","4","1") = "9"
    & skf18("8","10","2","5","8","5","1") = "9"
    & skf18("8","10","2","5","8","6","1") = "9"
    & skf18("8","10","2","5","8","7","1") = "9"
    & skf18("8","10","2","5","8","8","1") = "9"
    & skf18("8","10","2","5","8","9","1") = "9"
    & skf18("8","10","2","5","8","10","1") = "9"
    & skf18("8","10","2","5","9","1","1") = "9"
    & skf18("8","10","2","5","9","2","1") = "9"
    & skf18("8","10","2","5","9","3","1") = "9"
    & skf18("8","10","2","5","9","4","1") = "9"
    & skf18("8","10","2","5","9","5","1") = "9"
    & skf18("8","10","2","5","9","6","1") = "9"
    & skf18("8","10","2","5","9","7","1") = "9"
    & skf18("8","10","2","5","9","8","1") = "9"
    & skf18("8","10","2","5","9","9","1") = "9"
    & skf18("8","10","2","5","9","10","1") = "9"
    & skf18("8","10","2","5","10","1","1") = "9"
    & skf18("8","10","2","5","10","2","1") = "9"
    & skf18("8","10","2","5","10","3","1") = "9"
    & skf18("8","10","2","5","10","4","1") = "9"
    & skf18("8","10","2","5","10","5","1") = "9"
    & skf18("8","10","2","5","10","6","1") = "9"
    & skf18("8","10","2","5","10","7","1") = "9"
    & skf18("8","10","2","5","10","8","1") = "9"
    & skf18("8","10","2","5","10","9","1") = "9"
    & skf18("8","10","2","5","10","10","1") = "9"
    & skf18("8","10","2","6","1","1","1") = "9"
    & skf18("8","10","2","6","1","2","1") = "9"
    & skf18("8","10","2","6","1","3","1") = "9"
    & skf18("8","10","2","6","1","4","1") = "9"
    & skf18("8","10","2","6","1","5","1") = "9"
    & skf18("8","10","2","6","1","6","1") = "9"
    & skf18("8","10","2","6","1","7","1") = "9"
    & skf18("8","10","2","6","1","8","1") = "9"
    & skf18("8","10","2","6","1","9","1") = "9"
    & skf18("8","10","2","6","1","10","1") = "9"
    & skf18("8","10","2","6","2","1","1") = "9"
    & skf18("8","10","2","6","2","2","1") = "9"
    & skf18("8","10","2","6","2","3","1") = "9"
    & skf18("8","10","2","6","2","4","1") = "9"
    & skf18("8","10","2","6","2","5","1") = "9"
    & skf18("8","10","2","6","2","6","1") = "9"
    & skf18("8","10","2","6","2","7","1") = "9"
    & skf18("8","10","2","6","2","8","1") = "9"
    & skf18("8","10","2","6","2","9","1") = "9"
    & skf18("8","10","2","6","2","10","1") = "9"
    & skf18("8","10","2","6","3","1","1") = "9"
    & skf18("8","10","2","6","3","2","1") = "9"
    & skf18("8","10","2","6","3","3","1") = "9"
    & skf18("8","10","2","6","3","4","1") = "9"
    & skf18("8","10","2","6","3","5","1") = "9"
    & skf18("8","10","2","6","3","6","1") = "9"
    & skf18("8","10","2","6","3","7","1") = "9"
    & skf18("8","10","2","6","3","8","1") = "9"
    & skf18("8","10","2","6","3","9","1") = "9"
    & skf18("8","10","2","6","3","10","1") = "9"
    & skf18("8","10","2","6","4","1","1") = "9"
    & skf18("8","10","2","6","4","2","1") = "9"
    & skf18("8","10","2","6","4","3","1") = "9"
    & skf18("8","10","2","6","4","4","1") = "9"
    & skf18("8","10","2","6","4","5","1") = "9"
    & skf18("8","10","2","6","4","6","1") = "9"
    & skf18("8","10","2","6","4","7","1") = "9"
    & skf18("8","10","2","6","4","8","1") = "9"
    & skf18("8","10","2","6","4","9","1") = "9"
    & skf18("8","10","2","6","4","10","1") = "9"
    & skf18("8","10","2","6","5","1","1") = "9"
    & skf18("8","10","2","6","5","2","1") = "9"
    & skf18("8","10","2","6","5","3","1") = "9"
    & skf18("8","10","2","6","5","4","1") = "9"
    & skf18("8","10","2","6","5","5","1") = "9"
    & skf18("8","10","2","6","5","6","1") = "9"
    & skf18("8","10","2","6","5","7","1") = "9"
    & skf18("8","10","2","6","5","8","1") = "9"
    & skf18("8","10","2","6","5","9","1") = "9"
    & skf18("8","10","2","6","5","10","1") = "9"
    & skf18("8","10","2","6","6","1","1") = "9"
    & skf18("8","10","2","6","6","2","1") = "9"
    & skf18("8","10","2","6","6","3","1") = "9"
    & skf18("8","10","2","6","6","4","1") = "9"
    & skf18("8","10","2","6","6","5","1") = "9"
    & skf18("8","10","2","6","6","6","1") = "9"
    & skf18("8","10","2","6","6","7","1") = "9"
    & skf18("8","10","2","6","6","8","1") = "9"
    & skf18("8","10","2","6","6","9","1") = "9"
    & skf18("8","10","2","6","6","10","1") = "9"
    & skf18("8","10","2","6","7","1","1") = "9"
    & skf18("8","10","2","6","7","2","1") = "9"
    & skf18("8","10","2","6","7","3","1") = "9"
    & skf18("8","10","2","6","7","4","1") = "9"
    & skf18("8","10","2","6","7","5","1") = "9"
    & skf18("8","10","2","6","7","6","1") = "9"
    & skf18("8","10","2","6","7","7","1") = "9"
    & skf18("8","10","2","6","7","8","1") = "9"
    & skf18("8","10","2","6","7","9","1") = "9"
    & skf18("8","10","2","6","7","10","1") = "9"
    & skf18("8","10","2","6","8","1","1") = "9"
    & skf18("8","10","2","6","8","2","1") = "9"
    & skf18("8","10","2","6","8","3","1") = "9"
    & skf18("8","10","2","6","8","4","1") = "9"
    & skf18("8","10","2","6","8","5","1") = "9"
    & skf18("8","10","2","6","8","6","1") = "9"
    & skf18("8","10","2","6","8","7","1") = "9"
    & skf18("8","10","2","6","8","8","1") = "9"
    & skf18("8","10","2","6","8","9","1") = "9"
    & skf18("8","10","2","6","8","10","1") = "9"
    & skf18("8","10","2","6","9","1","1") = "9"
    & skf18("8","10","2","6","9","2","1") = "9"
    & skf18("8","10","2","6","9","3","1") = "9"
    & skf18("8","10","2","6","9","4","1") = "9"
    & skf18("8","10","2","6","9","5","1") = "9"
    & skf18("8","10","2","6","9","6","1") = "9"
    & skf18("8","10","2","6","9","7","1") = "9"
    & skf18("8","10","2","6","9","8","1") = "9"
    & skf18("8","10","2","6","9","9","1") = "9"
    & skf18("8","10","2","6","9","10","1") = "9"
    & skf18("8","10","2","6","10","1","1") = "9"
    & skf18("8","10","2","6","10","2","1") = "9"
    & skf18("8","10","2","6","10","3","1") = "9"
    & skf18("8","10","2","6","10","4","1") = "9"
    & skf18("8","10","2","6","10","5","1") = "9"
    & skf18("8","10","2","6","10","6","1") = "9"
    & skf18("8","10","2","6","10","7","1") = "9"
    & skf18("8","10","2","6","10","8","1") = "9"
    & skf18("8","10","2","6","10","9","1") = "9"
    & skf18("8","10","2","6","10","10","1") = "9"
    & skf18("8","10","2","7","1","1","1") = "9"
    & skf18("8","10","2","7","1","2","1") = "9"
    & skf18("8","10","2","7","1","3","1") = "9"
    & skf18("8","10","2","7","1","4","1") = "9"
    & skf18("8","10","2","7","1","5","1") = "9"
    & skf18("8","10","2","7","1","6","1") = "9"
    & skf18("8","10","2","7","1","7","1") = "9"
    & skf18("8","10","2","7","1","8","1") = "9"
    & skf18("8","10","2","7","1","9","1") = "9"
    & skf18("8","10","2","7","1","10","1") = "9"
    & skf18("8","10","2","7","2","1","1") = "9"
    & skf18("8","10","2","7","2","2","1") = "9"
    & skf18("8","10","2","7","2","3","1") = "9"
    & skf18("8","10","2","7","2","4","1") = "9"
    & skf18("8","10","2","7","2","5","1") = "9"
    & skf18("8","10","2","7","2","6","1") = "9"
    & skf18("8","10","2","7","2","7","1") = "9"
    & skf18("8","10","2","7","2","8","1") = "9"
    & skf18("8","10","2","7","2","9","1") = "9"
    & skf18("8","10","2","7","2","10","1") = "9"
    & skf18("8","10","2","7","3","1","1") = "9"
    & skf18("8","10","2","7","3","2","1") = "9"
    & skf18("8","10","2","7","3","3","1") = "9"
    & skf18("8","10","2","7","3","4","1") = "9"
    & skf18("8","10","2","7","3","5","1") = "9"
    & skf18("8","10","2","7","3","6","1") = "9"
    & skf18("8","10","2","7","3","7","1") = "9"
    & skf18("8","10","2","7","3","8","1") = "9"
    & skf18("8","10","2","7","3","9","1") = "9"
    & skf18("8","10","2","7","3","10","1") = "9"
    & skf18("8","10","2","7","4","1","1") = "9"
    & skf18("8","10","2","7","4","2","1") = "9"
    & skf18("8","10","2","7","4","3","1") = "9"
    & skf18("8","10","2","7","4","4","1") = "9"
    & skf18("8","10","2","7","4","5","1") = "9"
    & skf18("8","10","2","7","4","6","1") = "9"
    & skf18("8","10","2","7","4","7","1") = "9"
    & skf18("8","10","2","7","4","8","1") = "9"
    & skf18("8","10","2","7","4","9","1") = "9"
    & skf18("8","10","2","7","4","10","1") = "9"
    & skf18("8","10","2","7","5","1","1") = "9"
    & skf18("8","10","2","7","5","2","1") = "9"
    & skf18("8","10","2","7","5","3","1") = "9"
    & skf18("8","10","2","7","5","4","1") = "9"
    & skf18("8","10","2","7","5","5","1") = "9"
    & skf18("8","10","2","7","5","6","1") = "9"
    & skf18("8","10","2","7","5","7","1") = "9"
    & skf18("8","10","2","7","5","8","1") = "9"
    & skf18("8","10","2","7","5","9","1") = "9"
    & skf18("8","10","2","7","5","10","1") = "9"
    & skf18("8","10","2","7","6","1","1") = "9"
    & skf18("8","10","2","7","6","2","1") = "9"
    & skf18("8","10","2","7","6","3","1") = "9"
    & skf18("8","10","2","7","6","4","1") = "9"
    & skf18("8","10","2","7","6","5","1") = "9"
    & skf18("8","10","2","7","6","6","1") = "9"
    & skf18("8","10","2","7","6","7","1") = "9"
    & skf18("8","10","2","7","6","8","1") = "9"
    & skf18("8","10","2","7","6","9","1") = "9"
    & skf18("8","10","2","7","6","10","1") = "9"
    & skf18("8","10","2","7","7","1","1") = "9"
    & skf18("8","10","2","7","7","2","1") = "9"
    & skf18("8","10","2","7","7","3","1") = "9"
    & skf18("8","10","2","7","7","4","1") = "9"
    & skf18("8","10","2","7","7","5","1") = "9"
    & skf18("8","10","2","7","7","6","1") = "9"
    & skf18("8","10","2","7","7","7","1") = "9"
    & skf18("8","10","2","7","7","8","1") = "9"
    & skf18("8","10","2","7","7","9","1") = "9"
    & skf18("8","10","2","7","7","10","1") = "9"
    & skf18("8","10","2","7","8","1","1") = "9"
    & skf18("8","10","2","7","8","2","1") = "9"
    & skf18("8","10","2","7","8","3","1") = "9"
    & skf18("8","10","2","7","8","4","1") = "9"
    & skf18("8","10","2","7","8","5","1") = "9"
    & skf18("8","10","2","7","8","6","1") = "9"
    & skf18("8","10","2","7","8","7","1") = "9"
    & skf18("8","10","2","7","8","8","1") = "9"
    & skf18("8","10","2","7","8","9","1") = "9"
    & skf18("8","10","2","7","8","10","1") = "9"
    & skf18("8","10","2","7","9","1","1") = "9"
    & skf18("8","10","2","7","9","2","1") = "9"
    & skf18("8","10","2","7","9","3","1") = "9"
    & skf18("8","10","2","7","9","4","1") = "9"
    & skf18("8","10","2","7","9","5","1") = "9"
    & skf18("8","10","2","7","9","6","1") = "9"
    & skf18("8","10","2","7","9","7","1") = "9"
    & skf18("8","10","2","7","9","8","1") = "9"
    & skf18("8","10","2","7","9","9","1") = "9"
    & skf18("8","10","2","7","9","10","1") = "9"
    & skf18("8","10","2","7","10","1","1") = "9"
    & skf18("8","10","2","7","10","2","1") = "9"
    & skf18("8","10","2","7","10","3","1") = "9"
    & skf18("8","10","2","7","10","4","1") = "9"
    & skf18("8","10","2","7","10","5","1") = "9"
    & skf18("8","10","2","7","10","6","1") = "9"
    & skf18("8","10","2","7","10","7","1") = "9"
    & skf18("8","10","2","7","10","8","1") = "9"
    & skf18("8","10","2","7","10","9","1") = "9"
    & skf18("8","10","2","7","10","10","1") = "9"
    & skf18("8","10","2","8","1","1","1") = "9"
    & skf18("8","10","2","8","1","2","1") = "9"
    & skf18("8","10","2","8","1","3","1") = "9"
    & skf18("8","10","2","8","1","4","1") = "9"
    & skf18("8","10","2","8","1","5","1") = "9"
    & skf18("8","10","2","8","1","6","1") = "9"
    & skf18("8","10","2","8","1","7","1") = "9"
    & skf18("8","10","2","8","1","8","1") = "9"
    & skf18("8","10","2","8","1","9","1") = "9"
    & skf18("8","10","2","8","1","10","1") = "9"
    & skf18("8","10","2","8","2","1","1") = "9"
    & skf18("8","10","2","8","2","2","1") = "9"
    & skf18("8","10","2","8","2","3","1") = "9"
    & skf18("8","10","2","8","2","4","1") = "9"
    & skf18("8","10","2","8","2","5","1") = "9"
    & skf18("8","10","2","8","2","6","1") = "9"
    & skf18("8","10","2","8","2","7","1") = "9"
    & skf18("8","10","2","8","2","8","1") = "9"
    & skf18("8","10","2","8","2","9","1") = "9"
    & skf18("8","10","2","8","2","10","1") = "9"
    & skf18("8","10","2","8","3","1","1") = "9"
    & skf18("8","10","2","8","3","2","1") = "9"
    & skf18("8","10","2","8","3","3","1") = "9"
    & skf18("8","10","2","8","3","4","1") = "9"
    & skf18("8","10","2","8","3","5","1") = "9"
    & skf18("8","10","2","8","3","6","1") = "9"
    & skf18("8","10","2","8","3","7","1") = "9"
    & skf18("8","10","2","8","3","8","1") = "9"
    & skf18("8","10","2","8","3","9","1") = "9"
    & skf18("8","10","2","8","3","10","1") = "9"
    & skf18("8","10","2","8","4","1","1") = "9"
    & skf18("8","10","2","8","4","2","1") = "9"
    & skf18("8","10","2","8","4","3","1") = "9"
    & skf18("8","10","2","8","4","4","1") = "9"
    & skf18("8","10","2","8","4","5","1") = "9"
    & skf18("8","10","2","8","4","6","1") = "9"
    & skf18("8","10","2","8","4","7","1") = "9"
    & skf18("8","10","2","8","4","8","1") = "9"
    & skf18("8","10","2","8","4","9","1") = "9"
    & skf18("8","10","2","8","4","10","1") = "9"
    & skf18("8","10","2","8","5","1","1") = "9"
    & skf18("8","10","2","8","5","2","1") = "9"
    & skf18("8","10","2","8","5","3","1") = "9"
    & skf18("8","10","2","8","5","4","1") = "9"
    & skf18("8","10","2","8","5","5","1") = "9"
    & skf18("8","10","2","8","5","6","1") = "9"
    & skf18("8","10","2","8","5","7","1") = "9"
    & skf18("8","10","2","8","5","8","1") = "9"
    & skf18("8","10","2","8","5","9","1") = "9"
    & skf18("8","10","2","8","5","10","1") = "9"
    & skf18("8","10","2","8","6","1","1") = "9"
    & skf18("8","10","2","8","6","2","1") = "9"
    & skf18("8","10","2","8","6","3","1") = "9"
    & skf18("8","10","2","8","6","4","1") = "9"
    & skf18("8","10","2","8","6","5","1") = "9"
    & skf18("8","10","2","8","6","6","1") = "9"
    & skf18("8","10","2","8","6","7","1") = "9"
    & skf18("8","10","2","8","6","8","1") = "9"
    & skf18("8","10","2","8","6","9","1") = "9"
    & skf18("8","10","2","8","6","10","1") = "9"
    & skf18("8","10","2","8","7","1","1") = "9"
    & skf18("8","10","2","8","7","2","1") = "9"
    & skf18("8","10","2","8","7","3","1") = "9"
    & skf18("8","10","2","8","7","4","1") = "9"
    & skf18("8","10","2","8","7","5","1") = "9"
    & skf18("8","10","2","8","7","6","1") = "9"
    & skf18("8","10","2","8","7","7","1") = "9"
    & skf18("8","10","2","8","7","8","1") = "9"
    & skf18("8","10","2","8","7","9","1") = "9"
    & skf18("8","10","2","8","7","10","1") = "9"
    & skf18("8","10","2","8","8","1","1") = "9"
    & skf18("8","10","2","8","8","2","1") = "9"
    & skf18("8","10","2","8","8","3","1") = "9"
    & skf18("8","10","2","8","8","4","1") = "9"
    & skf18("8","10","2","8","8","5","1") = "9"
    & skf18("8","10","2","8","8","6","1") = "9"
    & skf18("8","10","2","8","8","7","1") = "9"
    & skf18("8","10","2","8","8","8","1") = "9"
    & skf18("8","10","2","8","8","9","1") = "9"
    & skf18("8","10","2","8","8","10","1") = "9"
    & skf18("8","10","2","8","9","1","1") = "9"
    & skf18("8","10","2","8","9","2","1") = "9"
    & skf18("8","10","2","8","9","3","1") = "9"
    & skf18("8","10","2","8","9","4","1") = "9"
    & skf18("8","10","2","8","9","5","1") = "9"
    & skf18("8","10","2","8","9","6","1") = "9"
    & skf18("8","10","2","8","9","7","1") = "9"
    & skf18("8","10","2","8","9","8","1") = "9"
    & skf18("8","10","2","8","9","9","1") = "9"
    & skf18("8","10","2","8","9","10","1") = "9"
    & skf18("8","10","2","8","10","1","1") = "9"
    & skf18("8","10","2","8","10","2","1") = "9"
    & skf18("8","10","2","8","10","3","1") = "9"
    & skf18("8","10","2","8","10","4","1") = "9"
    & skf18("8","10","2","8","10","5","1") = "9"
    & skf18("8","10","2","8","10","6","1") = "9"
    & skf18("8","10","2","8","10","7","1") = "9"
    & skf18("8","10","2","8","10","8","1") = "9"
    & skf18("8","10","2","8","10","9","1") = "9"
    & skf18("8","10","2","8","10","10","1") = "9"
    & skf18("8","10","2","9","1","1","1") = "9"
    & skf18("8","10","2","9","1","2","1") = "9"
    & skf18("8","10","2","9","1","3","1") = "9"
    & skf18("8","10","2","9","1","4","1") = "9"
    & skf18("8","10","2","9","1","5","1") = "9"
    & skf18("8","10","2","9","1","6","1") = "9"
    & skf18("8","10","2","9","1","7","1") = "9"
    & skf18("8","10","2","9","1","8","1") = "9"
    & skf18("8","10","2","9","1","9","1") = "9"
    & skf18("8","10","2","9","1","10","1") = "9"
    & skf18("8","10","2","9","2","1","1") = "9"
    & skf18("8","10","2","9","2","2","1") = "9"
    & skf18("8","10","2","9","2","3","1") = "9"
    & skf18("8","10","2","9","2","4","1") = "9"
    & skf18("8","10","2","9","2","5","1") = "9"
    & skf18("8","10","2","9","2","6","1") = "9"
    & skf18("8","10","2","9","2","7","1") = "9"
    & skf18("8","10","2","9","2","8","1") = "9"
    & skf18("8","10","2","9","2","9","1") = "9"
    & skf18("8","10","2","9","2","10","1") = "9"
    & skf18("8","10","2","9","3","1","1") = "9"
    & skf18("8","10","2","9","3","2","1") = "9"
    & skf18("8","10","2","9","3","3","1") = "9"
    & skf18("8","10","2","9","3","4","1") = "9"
    & skf18("8","10","2","9","3","5","1") = "9"
    & skf18("8","10","2","9","3","6","1") = "9"
    & skf18("8","10","2","9","3","7","1") = "9"
    & skf18("8","10","2","9","3","8","1") = "9"
    & skf18("8","10","2","9","3","9","1") = "9"
    & skf18("8","10","2","9","3","10","1") = "9"
    & skf18("8","10","2","9","4","1","1") = "9"
    & skf18("8","10","2","9","4","2","1") = "9"
    & skf18("8","10","2","9","4","3","1") = "9"
    & skf18("8","10","2","9","4","4","1") = "9"
    & skf18("8","10","2","9","4","5","1") = "9"
    & skf18("8","10","2","9","4","6","1") = "9"
    & skf18("8","10","2","9","4","7","1") = "9"
    & skf18("8","10","2","9","4","8","1") = "9"
    & skf18("8","10","2","9","4","9","1") = "9"
    & skf18("8","10","2","9","4","10","1") = "9"
    & skf18("8","10","2","9","5","1","1") = "9"
    & skf18("8","10","2","9","5","2","1") = "9"
    & skf18("8","10","2","9","5","3","1") = "9"
    & skf18("8","10","2","9","5","4","1") = "9"
    & skf18("8","10","2","9","5","5","1") = "9"
    & skf18("8","10","2","9","5","6","1") = "9"
    & skf18("8","10","2","9","5","7","1") = "9"
    & skf18("8","10","2","9","5","8","1") = "9"
    & skf18("8","10","2","9","5","9","1") = "9"
    & skf18("8","10","2","9","5","10","1") = "9"
    & skf18("8","10","2","9","6","1","1") = "9"
    & skf18("8","10","2","9","6","2","1") = "9"
    & skf18("8","10","2","9","6","3","1") = "9"
    & skf18("8","10","2","9","6","4","1") = "9"
    & skf18("8","10","2","9","6","5","1") = "9"
    & skf18("8","10","2","9","6","6","1") = "9"
    & skf18("8","10","2","9","6","7","1") = "9"
    & skf18("8","10","2","9","6","8","1") = "9"
    & skf18("8","10","2","9","6","9","1") = "9"
    & skf18("8","10","2","9","6","10","1") = "9"
    & skf18("8","10","2","9","7","1","1") = "9"
    & skf18("8","10","2","9","7","2","1") = "9"
    & skf18("8","10","2","9","7","3","1") = "9"
    & skf18("8","10","2","9","7","4","1") = "9"
    & skf18("8","10","2","9","7","5","1") = "9"
    & skf18("8","10","2","9","7","6","1") = "9"
    & skf18("8","10","2","9","7","7","1") = "9"
    & skf18("8","10","2","9","7","8","1") = "9"
    & skf18("8","10","2","9","7","9","1") = "9"
    & skf18("8","10","2","9","7","10","1") = "9"
    & skf18("8","10","2","9","8","1","1") = "9"
    & skf18("8","10","2","9","8","2","1") = "9"
    & skf18("8","10","2","9","8","3","1") = "9"
    & skf18("8","10","2","9","8","4","1") = "9"
    & skf18("8","10","2","9","8","5","1") = "9"
    & skf18("8","10","2","9","8","6","1") = "9"
    & skf18("8","10","2","9","8","7","1") = "9"
    & skf18("8","10","2","9","8","8","1") = "9"
    & skf18("8","10","2","9","8","9","1") = "9"
    & skf18("8","10","2","9","8","10","1") = "9"
    & skf18("8","10","2","9","9","1","1") = "9"
    & skf18("8","10","2","9","9","2","1") = "9"
    & skf18("8","10","2","9","9","3","1") = "9"
    & skf18("8","10","2","9","9","4","1") = "9"
    & skf18("8","10","2","9","9","5","1") = "9"
    & skf18("8","10","2","9","9","6","1") = "9"
    & skf18("8","10","2","9","9","7","1") = "9"
    & skf18("8","10","2","9","9","8","1") = "9"
    & skf18("8","10","2","9","9","9","1") = "9"
    & skf18("8","10","2","9","9","10","1") = "9"
    & skf18("8","10","2","9","10","1","1") = "9"
    & skf18("8","10","2","9","10","2","1") = "9"
    & skf18("8","10","2","9","10","3","1") = "9"
    & skf18("8","10","2","9","10","4","1") = "9"
    & skf18("8","10","2","9","10","5","1") = "9"
    & skf18("8","10","2","9","10","6","1") = "9"
    & skf18("8","10","2","9","10","7","1") = "9"
    & skf18("8","10","2","9","10","8","1") = "9"
    & skf18("8","10","2","9","10","9","1") = "9"
    & skf18("8","10","2","9","10","10","1") = "9"
    & skf18("8","10","2","10","1","1","1") = "9"
    & skf18("8","10","2","10","1","2","1") = "9"
    & skf18("8","10","2","10","1","3","1") = "9"
    & skf18("8","10","2","10","1","4","1") = "9"
    & skf18("8","10","2","10","1","5","1") = "9"
    & skf18("8","10","2","10","1","6","1") = "9"
    & skf18("8","10","2","10","1","7","1") = "9"
    & skf18("8","10","2","10","1","8","1") = "9"
    & skf18("8","10","2","10","1","9","1") = "9"
    & skf18("8","10","2","10","1","10","1") = "9"
    & skf18("8","10","2","10","2","1","1") = "9"
    & skf18("8","10","2","10","2","2","1") = "9"
    & skf18("8","10","2","10","2","3","1") = "9"
    & skf18("8","10","2","10","2","4","1") = "9"
    & skf18("8","10","2","10","2","5","1") = "9"
    & skf18("8","10","2","10","2","6","1") = "9"
    & skf18("8","10","2","10","2","7","1") = "9"
    & skf18("8","10","2","10","2","8","1") = "9"
    & skf18("8","10","2","10","2","9","1") = "9"
    & skf18("8","10","2","10","2","10","1") = "9"
    & skf18("8","10","2","10","3","1","1") = "9"
    & skf18("8","10","2","10","3","2","1") = "9"
    & skf18("8","10","2","10","3","3","1") = "9"
    & skf18("8","10","2","10","3","4","1") = "9"
    & skf18("8","10","2","10","3","5","1") = "9"
    & skf18("8","10","2","10","3","6","1") = "9"
    & skf18("8","10","2","10","3","7","1") = "9"
    & skf18("8","10","2","10","3","8","1") = "9"
    & skf18("8","10","2","10","3","9","1") = "9"
    & skf18("8","10","2","10","3","10","1") = "9"
    & skf18("8","10","2","10","4","1","1") = "9"
    & skf18("8","10","2","10","4","2","1") = "9"
    & skf18("8","10","2","10","4","3","1") = "9"
    & skf18("8","10","2","10","4","4","1") = "9"
    & skf18("8","10","2","10","4","5","1") = "9"
    & skf18("8","10","2","10","4","6","1") = "9"
    & skf18("8","10","2","10","4","7","1") = "9"
    & skf18("8","10","2","10","4","8","1") = "9"
    & skf18("8","10","2","10","4","9","1") = "9"
    & skf18("8","10","2","10","4","10","1") = "9"
    & skf18("8","10","2","10","5","1","1") = "9"
    & skf18("8","10","2","10","5","2","1") = "9"
    & skf18("8","10","2","10","5","3","1") = "9"
    & skf18("8","10","2","10","5","4","1") = "9"
    & skf18("8","10","2","10","5","5","1") = "9"
    & skf18("8","10","2","10","5","6","1") = "9"
    & skf18("8","10","2","10","5","7","1") = "9"
    & skf18("8","10","2","10","5","8","1") = "9"
    & skf18("8","10","2","10","5","9","1") = "9"
    & skf18("8","10","2","10","5","10","1") = "9"
    & skf18("8","10","2","10","6","1","1") = "9"
    & skf18("8","10","2","10","6","2","1") = "9"
    & skf18("8","10","2","10","6","3","1") = "9"
    & skf18("8","10","2","10","6","4","1") = "9"
    & skf18("8","10","2","10","6","5","1") = "9"
    & skf18("8","10","2","10","6","6","1") = "9"
    & skf18("8","10","2","10","6","7","1") = "9"
    & skf18("8","10","2","10","6","8","1") = "9"
    & skf18("8","10","2","10","6","9","1") = "9"
    & skf18("8","10","2","10","6","10","1") = "9"
    & skf18("8","10","2","10","7","1","1") = "9"
    & skf18("8","10","2","10","7","2","1") = "9"
    & skf18("8","10","2","10","7","3","1") = "9"
    & skf18("8","10","2","10","7","4","1") = "9"
    & skf18("8","10","2","10","7","5","1") = "9"
    & skf18("8","10","2","10","7","6","1") = "9"
    & skf18("8","10","2","10","7","7","1") = "9"
    & skf18("8","10","2","10","7","8","1") = "9"
    & skf18("8","10","2","10","7","9","1") = "9"
    & skf18("8","10","2","10","7","10","1") = "9"
    & skf18("8","10","2","10","8","1","1") = "9"
    & skf18("8","10","2","10","8","2","1") = "9"
    & skf18("8","10","2","10","8","3","1") = "9"
    & skf18("8","10","2","10","8","4","1") = "9"
    & skf18("8","10","2","10","8","5","1") = "9"
    & skf18("8","10","2","10","8","6","1") = "9"
    & skf18("8","10","2","10","8","7","1") = "9"
    & skf18("8","10","2","10","8","8","1") = "9"
    & skf18("8","10","2","10","8","9","1") = "9"
    & skf18("8","10","2","10","8","10","1") = "9"
    & skf18("8","10","2","10","9","1","1") = "9"
    & skf18("8","10","2","10","9","2","1") = "9"
    & skf18("8","10","2","10","9","3","1") = "9"
    & skf18("8","10","2","10","9","4","1") = "9"
    & skf18("8","10","2","10","9","5","1") = "9"
    & skf18("8","10","2","10","9","6","1") = "9"
    & skf18("8","10","2","10","9","7","1") = "9"
    & skf18("8","10","2","10","9","8","1") = "9"
    & skf18("8","10","2","10","9","9","1") = "9"
    & skf18("8","10","2","10","9","10","1") = "9"
    & skf18("8","10","2","10","10","1","1") = "9"
    & skf18("8","10","2","10","10","2","1") = "9"
    & skf18("8","10","2","10","10","3","1") = "9"
    & skf18("8","10","2","10","10","4","1") = "9"
    & skf18("8","10","2","10","10","5","1") = "9"
    & skf18("8","10","2","10","10","6","1") = "9"
    & skf18("8","10","2","10","10","7","1") = "9"
    & skf18("8","10","2","10","10","8","1") = "9"
    & skf18("8","10","2","10","10","9","1") = "9"
    & skf18("8","10","2","10","10","10","1") = "9"
    & skf18("8","10","3","1","1","1","1") = "9"
    & skf18("8","10","3","1","1","2","1") = "9"
    & skf18("8","10","3","1","1","3","1") = "9"
    & skf18("8","10","3","1","1","4","1") = "9"
    & skf18("8","10","3","1","1","5","1") = "9"
    & skf18("8","10","3","1","1","6","1") = "9"
    & skf18("8","10","3","1","1","7","1") = "9"
    & skf18("8","10","3","1","1","8","1") = "9"
    & skf18("8","10","3","1","1","9","1") = "9"
    & skf18("8","10","3","1","1","10","1") = "9"
    & skf18("8","10","3","1","2","1","1") = "9"
    & skf18("8","10","3","1","2","2","1") = "9"
    & skf18("8","10","3","1","2","3","1") = "9"
    & skf18("8","10","3","1","2","4","1") = "9"
    & skf18("8","10","3","1","2","5","1") = "9"
    & skf18("8","10","3","1","2","6","1") = "9"
    & skf18("8","10","3","1","2","7","1") = "9"
    & skf18("8","10","3","1","2","8","1") = "9"
    & skf18("8","10","3","1","2","9","1") = "9"
    & skf18("8","10","3","1","2","10","1") = "9"
    & skf18("8","10","3","1","3","1","1") = "9"
    & skf18("8","10","3","1","3","2","1") = "9"
    & skf18("8","10","3","1","3","3","1") = "9"
    & skf18("8","10","3","1","3","4","1") = "9"
    & skf18("8","10","3","1","3","5","1") = "9"
    & skf18("8","10","3","1","3","6","1") = "9"
    & skf18("8","10","3","1","3","7","1") = "9"
    & skf18("8","10","3","1","3","8","1") = "9"
    & skf18("8","10","3","1","3","9","1") = "9"
    & skf18("8","10","3","1","3","10","1") = "9"
    & skf18("8","10","3","1","4","1","1") = "9"
    & skf18("8","10","3","1","4","2","1") = "9"
    & skf18("8","10","3","1","4","3","1") = "9"
    & skf18("8","10","3","1","4","4","1") = "9"
    & skf18("8","10","3","1","4","5","1") = "9"
    & skf18("8","10","3","1","4","6","1") = "9"
    & skf18("8","10","3","1","4","7","1") = "9"
    & skf18("8","10","3","1","4","8","1") = "9"
    & skf18("8","10","3","1","4","9","1") = "9"
    & skf18("8","10","3","1","4","10","1") = "9"
    & skf18("8","10","3","1","5","1","1") = "9"
    & skf18("8","10","3","1","5","2","1") = "9"
    & skf18("8","10","3","1","5","3","1") = "9"
    & skf18("8","10","3","1","5","4","1") = "9"
    & skf18("8","10","3","1","5","5","1") = "9"
    & skf18("8","10","3","1","5","6","1") = "9"
    & skf18("8","10","3","1","5","7","1") = "9"
    & skf18("8","10","3","1","5","8","1") = "9"
    & skf18("8","10","3","1","5","9","1") = "9"
    & skf18("8","10","3","1","5","10","1") = "9"
    & skf18("8","10","3","1","6","1","1") = "9"
    & skf18("8","10","3","1","6","2","1") = "9"
    & skf18("8","10","3","1","6","3","1") = "9"
    & skf18("8","10","3","1","6","4","1") = "9"
    & skf18("8","10","3","1","6","5","1") = "9"
    & skf18("8","10","3","1","6","6","1") = "9"
    & skf18("8","10","3","1","6","7","1") = "9"
    & skf18("8","10","3","1","6","8","1") = "9"
    & skf18("8","10","3","1","6","9","1") = "9"
    & skf18("8","10","3","1","6","10","1") = "9"
    & skf18("8","10","3","1","7","1","1") = "9"
    & skf18("8","10","3","1","7","2","1") = "9"
    & skf18("8","10","3","1","7","3","1") = "9"
    & skf18("8","10","3","1","7","4","1") = "9"
    & skf18("8","10","3","1","7","5","1") = "9"
    & skf18("8","10","3","1","7","6","1") = "9"
    & skf18("8","10","3","1","7","7","1") = "9"
    & skf18("8","10","3","1","7","8","1") = "9"
    & skf18("8","10","3","1","7","9","1") = "9"
    & skf18("8","10","3","1","7","10","1") = "9"
    & skf18("8","10","3","1","8","1","1") = "9"
    & skf18("8","10","3","1","8","2","1") = "9"
    & skf18("8","10","3","1","8","3","1") = "9"
    & skf18("8","10","3","1","8","4","1") = "9"
    & skf18("8","10","3","1","8","5","1") = "9"
    & skf18("8","10","3","1","8","6","1") = "9"
    & skf18("8","10","3","1","8","7","1") = "9"
    & skf18("8","10","3","1","8","8","1") = "9"
    & skf18("8","10","3","1","8","9","1") = "9"
    & skf18("8","10","3","1","8","10","1") = "9"
    & skf18("8","10","3","1","9","1","1") = "9"
    & skf18("8","10","3","1","9","2","1") = "9"
    & skf18("8","10","3","1","9","3","1") = "9"
    & skf18("8","10","3","1","9","4","1") = "9"
    & skf18("8","10","3","1","9","5","1") = "9"
    & skf18("8","10","3","1","9","6","1") = "9"
    & skf18("8","10","3","1","9","7","1") = "9"
    & skf18("8","10","3","1","9","8","1") = "9"
    & skf18("8","10","3","1","9","9","1") = "9"
    & skf18("8","10","3","1","9","10","1") = "9"
    & skf18("8","10","3","1","10","1","1") = "9"
    & skf18("8","10","3","1","10","2","1") = "9"
    & skf18("8","10","3","1","10","3","1") = "9"
    & skf18("8","10","3","1","10","4","1") = "9"
    & skf18("8","10","3","1","10","5","1") = "9"
    & skf18("8","10","3","1","10","6","1") = "9"
    & skf18("8","10","3","1","10","7","1") = "9"
    & skf18("8","10","3","1","10","8","1") = "9"
    & skf18("8","10","3","1","10","9","1") = "9"
    & skf18("8","10","3","1","10","10","1") = "9"
    & skf18("8","10","3","2","1","1","1") = "9"
    & skf18("8","10","3","2","1","2","1") = "9"
    & skf18("8","10","3","2","1","3","1") = "9"
    & skf18("8","10","3","2","1","4","1") = "9"
    & skf18("8","10","3","2","1","5","1") = "9"
    & skf18("8","10","3","2","1","6","1") = "9"
    & skf18("8","10","3","2","1","7","1") = "9"
    & skf18("8","10","3","2","1","8","1") = "9"
    & skf18("8","10","3","2","1","9","1") = "9"
    & skf18("8","10","3","2","1","10","1") = "9"
    & skf18("8","10","3","2","2","1","1") = "9"
    & skf18("8","10","3","2","2","2","1") = "9"
    & skf18("8","10","3","2","2","3","1") = "9"
    & skf18("8","10","3","2","2","4","1") = "9"
    & skf18("8","10","3","2","2","5","1") = "9"
    & skf18("8","10","3","2","2","6","1") = "9"
    & skf18("8","10","3","2","2","7","1") = "9"
    & skf18("8","10","3","2","2","8","1") = "9"
    & skf18("8","10","3","2","2","9","1") = "9"
    & skf18("8","10","3","2","2","10","1") = "9"
    & skf18("8","10","3","2","3","1","1") = "9"
    & skf18("8","10","3","2","3","2","1") = "9"
    & skf18("8","10","3","2","3","3","1") = "9"
    & skf18("8","10","3","2","3","4","1") = "9"
    & skf18("8","10","3","2","3","5","1") = "9"
    & skf18("8","10","3","2","3","6","1") = "9"
    & skf18("8","10","3","2","3","7","1") = "9"
    & skf18("8","10","3","2","3","8","1") = "9"
    & skf18("8","10","3","2","3","9","1") = "9"
    & skf18("8","10","3","2","3","10","1") = "9"
    & skf18("8","10","3","2","4","1","1") = "9"
    & skf18("8","10","3","2","4","2","1") = "9"
    & skf18("8","10","3","2","4","3","1") = "9"
    & skf18("8","10","3","2","4","4","1") = "9"
    & skf18("8","10","3","2","4","5","1") = "9"
    & skf18("8","10","3","2","4","6","1") = "9"
    & skf18("8","10","3","2","4","7","1") = "9"
    & skf18("8","10","3","2","4","8","1") = "9"
    & skf18("8","10","3","2","4","9","1") = "9"
    & skf18("8","10","3","2","4","10","1") = "9"
    & skf18("8","10","3","2","5","1","1") = "9"
    & skf18("8","10","3","2","5","2","1") = "9"
    & skf18("8","10","3","2","5","3","1") = "9"
    & skf18("8","10","3","2","5","4","1") = "9"
    & skf18("8","10","3","2","5","5","1") = "9"
    & skf18("8","10","3","2","5","6","1") = "9"
    & skf18("8","10","3","2","5","7","1") = "9"
    & skf18("8","10","3","2","5","8","1") = "9"
    & skf18("8","10","3","2","5","9","1") = "9"
    & skf18("8","10","3","2","5","10","1") = "9"
    & skf18("8","10","3","2","6","1","1") = "9"
    & skf18("8","10","3","2","6","2","1") = "9"
    & skf18("8","10","3","2","6","3","1") = "9"
    & skf18("8","10","3","2","6","4","1") = "9"
    & skf18("8","10","3","2","6","5","1") = "9"
    & skf18("8","10","3","2","6","6","1") = "9"
    & skf18("8","10","3","2","6","7","1") = "9"
    & skf18("8","10","3","2","6","8","1") = "9"
    & skf18("8","10","3","2","6","9","1") = "9"
    & skf18("8","10","3","2","6","10","1") = "9"
    & skf18("8","10","3","2","7","1","1") = "9"
    & skf18("8","10","3","2","7","2","1") = "9"
    & skf18("8","10","3","2","7","3","1") = "9"
    & skf18("8","10","3","2","7","4","1") = "9"
    & skf18("8","10","3","2","7","5","1") = "9"
    & skf18("8","10","3","2","7","6","1") = "9"
    & skf18("8","10","3","2","7","7","1") = "9"
    & skf18("8","10","3","2","7","8","1") = "9"
    & skf18("8","10","3","2","7","9","1") = "9"
    & skf18("8","10","3","2","7","10","1") = "9"
    & skf18("8","10","3","2","8","1","1") = "9"
    & skf18("8","10","3","2","8","2","1") = "9"
    & skf18("8","10","3","2","8","3","1") = "9"
    & skf18("8","10","3","2","8","4","1") = "9"
    & skf18("8","10","3","2","8","5","1") = "9"
    & skf18("8","10","3","2","8","6","1") = "9"
    & skf18("8","10","3","2","8","7","1") = "9"
    & skf18("8","10","3","2","8","8","1") = "9"
    & skf18("8","10","3","2","8","9","1") = "9"
    & skf18("8","10","3","2","8","10","1") = "9"
    & skf18("8","10","3","2","9","1","1") = "9"
    & skf18("8","10","3","2","9","2","1") = "9"
    & skf18("8","10","3","2","9","3","1") = "9"
    & skf18("8","10","3","2","9","4","1") = "9"
    & skf18("8","10","3","2","9","5","1") = "9"
    & skf18("8","10","3","2","9","6","1") = "9"
    & skf18("8","10","3","2","9","7","1") = "9"
    & skf18("8","10","3","2","9","8","1") = "9"
    & skf18("8","10","3","2","9","9","1") = "9"
    & skf18("8","10","3","2","9","10","1") = "9"
    & skf18("8","10","3","2","10","1","1") = "9"
    & skf18("8","10","3","2","10","2","1") = "9"
    & skf18("8","10","3","2","10","3","1") = "9"
    & skf18("8","10","3","2","10","4","1") = "9"
    & skf18("8","10","3","2","10","5","1") = "9"
    & skf18("8","10","3","2","10","6","1") = "9"
    & skf18("8","10","3","2","10","7","1") = "9"
    & skf18("8","10","3","2","10","8","1") = "9"
    & skf18("8","10","3","2","10","9","1") = "9"
    & skf18("8","10","3","2","10","10","1") = "9"
    & skf18("8","10","3","3","1","1","1") = "9"
    & skf18("8","10","3","3","1","2","1") = "9"
    & skf18("8","10","3","3","1","3","1") = "9"
    & skf18("8","10","3","3","1","4","1") = "9"
    & skf18("8","10","3","3","1","5","1") = "9"
    & skf18("8","10","3","3","1","6","1") = "9"
    & skf18("8","10","3","3","1","7","1") = "9"
    & skf18("8","10","3","3","1","8","1") = "9"
    & skf18("8","10","3","3","1","9","1") = "9"
    & skf18("8","10","3","3","1","10","1") = "9"
    & skf18("8","10","3","3","2","1","1") = "9"
    & skf18("8","10","3","3","2","2","1") = "9"
    & skf18("8","10","3","3","2","3","1") = "9"
    & skf18("8","10","3","3","2","4","1") = "9"
    & skf18("8","10","3","3","2","5","1") = "9"
    & skf18("8","10","3","3","2","6","1") = "9"
    & skf18("8","10","3","3","2","7","1") = "9"
    & skf18("8","10","3","3","2","8","1") = "9"
    & skf18("8","10","3","3","2","9","1") = "9"
    & skf18("8","10","3","3","2","10","1") = "9"
    & skf18("8","10","3","3","3","1","1") = "9"
    & skf18("8","10","3","3","3","2","1") = "9"
    & skf18("8","10","3","3","3","3","1") = "9"
    & skf18("8","10","3","3","3","4","1") = "9"
    & skf18("8","10","3","3","3","5","1") = "9"
    & skf18("8","10","3","3","3","6","1") = "9"
    & skf18("8","10","3","3","3","7","1") = "9"
    & skf18("8","10","3","3","3","8","1") = "9"
    & skf18("8","10","3","3","3","9","1") = "9"
    & skf18("8","10","3","3","3","10","1") = "9"
    & skf18("8","10","3","3","4","1","1") = "9"
    & skf18("8","10","3","3","4","2","1") = "9"
    & skf18("8","10","3","3","4","3","1") = "9"
    & skf18("8","10","3","3","4","4","1") = "9"
    & skf18("8","10","3","3","4","5","1") = "9"
    & skf18("8","10","3","3","4","6","1") = "9"
    & skf18("8","10","3","3","4","7","1") = "9"
    & skf18("8","10","3","3","4","8","1") = "9"
    & skf18("8","10","3","3","4","9","1") = "9"
    & skf18("8","10","3","3","4","10","1") = "9"
    & skf18("8","10","3","3","5","1","1") = "9"
    & skf18("8","10","3","3","5","2","1") = "9"
    & skf18("8","10","3","3","5","3","1") = "9"
    & skf18("8","10","3","3","5","4","1") = "9"
    & skf18("8","10","3","3","5","5","1") = "9"
    & skf18("8","10","3","3","5","6","1") = "9"
    & skf18("8","10","3","3","5","7","1") = "9"
    & skf18("8","10","3","3","5","8","1") = "9"
    & skf18("8","10","3","3","5","9","1") = "9"
    & skf18("8","10","3","3","5","10","1") = "9"
    & skf18("8","10","3","3","6","1","1") = "9"
    & skf18("8","10","3","3","6","2","1") = "9"
    & skf18("8","10","3","3","6","3","1") = "9"
    & skf18("8","10","3","3","6","4","1") = "9"
    & skf18("8","10","3","3","6","5","1") = "9"
    & skf18("8","10","3","3","6","6","1") = "9"
    & skf18("8","10","3","3","6","7","1") = "9"
    & skf18("8","10","3","3","6","8","1") = "9"
    & skf18("8","10","3","3","6","9","1") = "9"
    & skf18("8","10","3","3","6","10","1") = "9"
    & skf18("8","10","3","3","7","1","1") = "9"
    & skf18("8","10","3","3","7","2","1") = "9"
    & skf18("8","10","3","3","7","3","1") = "9"
    & skf18("8","10","3","3","7","4","1") = "9"
    & skf18("8","10","3","3","7","5","1") = "9"
    & skf18("8","10","3","3","7","6","1") = "9"
    & skf18("8","10","3","3","7","7","1") = "9"
    & skf18("8","10","3","3","7","8","1") = "9"
    & skf18("8","10","3","3","7","9","1") = "9"
    & skf18("8","10","3","3","7","10","1") = "9"
    & skf18("8","10","3","3","8","1","1") = "9"
    & skf18("8","10","3","3","8","2","1") = "9"
    & skf18("8","10","3","3","8","3","1") = "9"
    & skf18("8","10","3","3","8","4","1") = "9"
    & skf18("8","10","3","3","8","5","1") = "9"
    & skf18("8","10","3","3","8","6","1") = "9"
    & skf18("8","10","3","3","8","7","1") = "9"
    & skf18("8","10","3","3","8","8","1") = "9"
    & skf18("8","10","3","3","8","9","1") = "9"
    & skf18("8","10","3","3","8","10","1") = "9"
    & skf18("8","10","3","3","9","1","1") = "9"
    & skf18("8","10","3","3","9","2","1") = "9"
    & skf18("8","10","3","3","9","3","1") = "9"
    & skf18("8","10","3","3","9","4","1") = "9"
    & skf18("8","10","3","3","9","5","1") = "9"
    & skf18("8","10","3","3","9","6","1") = "9"
    & skf18("8","10","3","3","9","7","1") = "9"
    & skf18("8","10","3","3","9","8","1") = "9"
    & skf18("8","10","3","3","9","9","1") = "9"
    & skf18("8","10","3","3","9","10","1") = "9"
    & skf18("8","10","3","3","10","1","1") = "9"
    & skf18("8","10","3","3","10","2","1") = "9"
    & skf18("8","10","3","3","10","3","1") = "9"
    & skf18("8","10","3","3","10","4","1") = "9"
    & skf18("8","10","3","3","10","5","1") = "9"
    & skf18("8","10","3","3","10","6","1") = "9"
    & skf18("8","10","3","3","10","7","1") = "9"
    & skf18("8","10","3","3","10","8","1") = "9"
    & skf18("8","10","3","3","10","9","1") = "9"
    & skf18("8","10","3","3","10","10","1") = "9"
    & skf18("8","10","3","4","1","1","1") = "9"
    & skf18("8","10","3","4","1","2","1") = "9"
    & skf18("8","10","3","4","1","3","1") = "9"
    & skf18("8","10","3","4","1","4","1") = "9"
    & skf18("8","10","3","4","1","5","1") = "9"
    & skf18("8","10","3","4","1","6","1") = "9"
    & skf18("8","10","3","4","1","7","1") = "9"
    & skf18("8","10","3","4","1","8","1") = "9"
    & skf18("8","10","3","4","1","9","1") = "9"
    & skf18("8","10","3","4","1","10","1") = "9"
    & skf18("8","10","3","4","2","1","1") = "9"
    & skf18("8","10","3","4","2","2","1") = "9"
    & skf18("8","10","3","4","2","3","1") = "9"
    & skf18("8","10","3","4","2","4","1") = "9"
    & skf18("8","10","3","4","2","5","1") = "9"
    & skf18("8","10","3","4","2","6","1") = "9"
    & skf18("8","10","3","4","2","7","1") = "9"
    & skf18("8","10","3","4","2","8","1") = "9"
    & skf18("8","10","3","4","2","9","1") = "9"
    & skf18("8","10","3","4","2","10","1") = "9"
    & skf18("8","10","3","4","3","1","1") = "9"
    & skf18("8","10","3","4","3","2","1") = "9"
    & skf18("8","10","3","4","3","3","1") = "9"
    & skf18("8","10","3","4","3","4","1") = "9"
    & skf18("8","10","3","4","3","5","1") = "9"
    & skf18("8","10","3","4","3","6","1") = "9"
    & skf18("8","10","3","4","3","7","1") = "9"
    & skf18("8","10","3","4","3","8","1") = "9"
    & skf18("8","10","3","4","3","9","1") = "9"
    & skf18("8","10","3","4","3","10","1") = "9"
    & skf18("8","10","3","4","4","1","1") = "9"
    & skf18("8","10","3","4","4","2","1") = "9"
    & skf18("8","10","3","4","4","3","1") = "9"
    & skf18("8","10","3","4","4","4","1") = "9"
    & skf18("8","10","3","4","4","5","1") = "9"
    & skf18("8","10","3","4","4","6","1") = "9"
    & skf18("8","10","3","4","4","7","1") = "9"
    & skf18("8","10","3","4","4","8","1") = "9"
    & skf18("8","10","3","4","4","9","1") = "9"
    & skf18("8","10","3","4","4","10","1") = "9"
    & skf18("8","10","3","4","5","1","1") = "9"
    & skf18("8","10","3","4","5","2","1") = "9"
    & skf18("8","10","3","4","5","3","1") = "9"
    & skf18("8","10","3","4","5","4","1") = "9"
    & skf18("8","10","3","4","5","5","1") = "9"
    & skf18("8","10","3","4","5","6","1") = "9"
    & skf18("8","10","3","4","5","7","1") = "9"
    & skf18("8","10","3","4","5","8","1") = "9"
    & skf18("8","10","3","4","5","9","1") = "9"
    & skf18("8","10","3","4","5","10","1") = "9"
    & skf18("8","10","3","4","6","1","1") = "9"
    & skf18("8","10","3","4","6","2","1") = "9"
    & skf18("8","10","3","4","6","3","1") = "9"
    & skf18("8","10","3","4","6","4","1") = "9"
    & skf18("8","10","3","4","6","5","1") = "9"
    & skf18("8","10","3","4","6","6","1") = "9"
    & skf18("8","10","3","4","6","7","1") = "9"
    & skf18("8","10","3","4","6","8","1") = "9"
    & skf18("8","10","3","4","6","9","1") = "9"
    & skf18("8","10","3","4","6","10","1") = "9"
    & skf18("8","10","3","4","7","1","1") = "9"
    & skf18("8","10","3","4","7","2","1") = "9"
    & skf18("8","10","3","4","7","3","1") = "9"
    & skf18("8","10","3","4","7","4","1") = "9"
    & skf18("8","10","3","4","7","5","1") = "9"
    & skf18("8","10","3","4","7","6","1") = "9"
    & skf18("8","10","3","4","7","7","1") = "9"
    & skf18("8","10","3","4","7","8","1") = "9"
    & skf18("8","10","3","4","7","9","1") = "9"
    & skf18("8","10","3","4","7","10","1") = "9"
    & skf18("8","10","3","4","8","1","1") = "9"
    & skf18("8","10","3","4","8","2","1") = "9"
    & skf18("8","10","3","4","8","3","1") = "9"
    & skf18("8","10","3","4","8","4","1") = "9"
    & skf18("8","10","3","4","8","5","1") = "9"
    & skf18("8","10","3","4","8","6","1") = "9"
    & skf18("8","10","3","4","8","7","1") = "9"
    & skf18("8","10","3","4","8","8","1") = "9"
    & skf18("8","10","3","4","8","9","1") = "9"
    & skf18("8","10","3","4","8","10","1") = "9"
    & skf18("8","10","3","4","9","1","1") = "9"
    & skf18("8","10","3","4","9","2","1") = "9"
    & skf18("8","10","3","4","9","3","1") = "9"
    & skf18("8","10","3","4","9","4","1") = "9"
    & skf18("8","10","3","4","9","5","1") = "9"
    & skf18("8","10","3","4","9","6","1") = "9"
    & skf18("8","10","3","4","9","7","1") = "9"
    & skf18("8","10","3","4","9","8","1") = "9"
    & skf18("8","10","3","4","9","9","1") = "9"
    & skf18("8","10","3","4","9","10","1") = "9"
    & skf18("8","10","3","4","10","1","1") = "9"
    & skf18("8","10","3","4","10","2","1") = "9"
    & skf18("8","10","3","4","10","3","1") = "9"
    & skf18("8","10","3","4","10","4","1") = "9"
    & skf18("8","10","3","4","10","5","1") = "9"
    & skf18("8","10","3","4","10","6","1") = "9"
    & skf18("8","10","3","4","10","7","1") = "9"
    & skf18("8","10","3","4","10","8","1") = "9"
    & skf18("8","10","3","4","10","9","1") = "9"
    & skf18("8","10","3","4","10","10","1") = "9"
    & skf18("8","10","3","5","1","1","1") = "9"
    & skf18("8","10","3","5","1","2","1") = "9"
    & skf18("8","10","3","5","1","3","1") = "9"
    & skf18("8","10","3","5","1","4","1") = "9"
    & skf18("8","10","3","5","1","5","1") = "9"
    & skf18("8","10","3","5","1","6","1") = "9"
    & skf18("8","10","3","5","1","7","1") = "9"
    & skf18("8","10","3","5","1","8","1") = "9"
    & skf18("8","10","3","5","1","9","1") = "9"
    & skf18("8","10","3","5","1","10","1") = "9"
    & skf18("8","10","3","5","2","1","1") = "9"
    & skf18("8","10","3","5","2","2","1") = "9"
    & skf18("8","10","3","5","2","3","1") = "9"
    & skf18("8","10","3","5","2","4","1") = "9"
    & skf18("8","10","3","5","2","5","1") = "9"
    & skf18("8","10","3","5","2","6","1") = "9"
    & skf18("8","10","3","5","2","7","1") = "9"
    & skf18("8","10","3","5","2","8","1") = "9"
    & skf18("8","10","3","5","2","9","1") = "9"
    & skf18("8","10","3","5","2","10","1") = "9"
    & skf18("8","10","3","5","3","1","1") = "9"
    & skf18("8","10","3","5","3","2","1") = "9"
    & skf18("8","10","3","5","3","3","1") = "9"
    & skf18("8","10","3","5","3","4","1") = "9"
    & skf18("8","10","3","5","3","5","1") = "9"
    & skf18("8","10","3","5","3","6","1") = "9"
    & skf18("8","10","3","5","3","7","1") = "9"
    & skf18("8","10","3","5","3","8","1") = "9"
    & skf18("8","10","3","5","3","9","1") = "9"
    & skf18("8","10","3","5","3","10","1") = "9"
    & skf18("8","10","3","5","4","1","1") = "9"
    & skf18("8","10","3","5","4","2","1") = "9"
    & skf18("8","10","3","5","4","3","1") = "9"
    & skf18("8","10","3","5","4","4","1") = "9"
    & skf18("8","10","3","5","4","5","1") = "9"
    & skf18("8","10","3","5","4","6","1") = "9"
    & skf18("8","10","3","5","4","7","1") = "9"
    & skf18("8","10","3","5","4","8","1") = "9"
    & skf18("8","10","3","5","4","9","1") = "9"
    & skf18("8","10","3","5","4","10","1") = "9"
    & skf18("8","10","3","5","5","1","1") = "9"
    & skf18("8","10","3","5","5","2","1") = "9"
    & skf18("8","10","3","5","5","3","1") = "9"
    & skf18("8","10","3","5","5","4","1") = "9"
    & skf18("8","10","3","5","5","5","1") = "9"
    & skf18("8","10","3","5","5","6","1") = "9"
    & skf18("8","10","3","5","5","7","1") = "9"
    & skf18("8","10","3","5","5","8","1") = "9"
    & skf18("8","10","3","5","5","9","1") = "9"
    & skf18("8","10","3","5","5","10","1") = "9"
    & skf18("8","10","3","5","6","1","1") = "9"
    & skf18("8","10","3","5","6","2","1") = "9"
    & skf18("8","10","3","5","6","3","1") = "9"
    & skf18("8","10","3","5","6","4","1") = "9"
    & skf18("8","10","3","5","6","5","1") = "9"
    & skf18("8","10","3","5","6","6","1") = "9"
    & skf18("8","10","3","5","6","7","1") = "9"
    & skf18("8","10","3","5","6","8","1") = "9"
    & skf18("8","10","3","5","6","9","1") = "9"
    & skf18("8","10","3","5","6","10","1") = "9"
    & skf18("8","10","3","5","7","1","1") = "9"
    & skf18("8","10","3","5","7","2","1") = "9"
    & skf18("8","10","3","5","7","3","1") = "9"
    & skf18("8","10","3","5","7","4","1") = "9"
    & skf18("8","10","3","5","7","5","1") = "9"
    & skf18("8","10","3","5","7","6","1") = "9"
    & skf18("8","10","3","5","7","7","1") = "9"
    & skf18("8","10","3","5","7","8","1") = "9"
    & skf18("8","10","3","5","7","9","1") = "9"
    & skf18("8","10","3","5","7","10","1") = "9"
    & skf18("8","10","3","5","8","1","1") = "9"
    & skf18("8","10","3","5","8","2","1") = "9"
    & skf18("8","10","3","5","8","3","1") = "9"
    & skf18("8","10","3","5","8","4","1") = "9"
    & skf18("8","10","3","5","8","5","1") = "9"
    & skf18("8","10","3","5","8","6","1") = "9"
    & skf18("8","10","3","5","8","7","1") = "9"
    & skf18("8","10","3","5","8","8","1") = "9"
    & skf18("8","10","3","5","8","9","1") = "9"
    & skf18("8","10","3","5","8","10","1") = "9"
    & skf18("8","10","3","5","9","1","1") = "9"
    & skf18("8","10","3","5","9","2","1") = "9"
    & skf18("8","10","3","5","9","3","1") = "9"
    & skf18("8","10","3","5","9","4","1") = "9"
    & skf18("8","10","3","5","9","5","1") = "9"
    & skf18("8","10","3","5","9","6","1") = "9"
    & skf18("8","10","3","5","9","7","1") = "9"
    & skf18("8","10","3","5","9","8","1") = "9"
    & skf18("8","10","3","5","9","9","1") = "9"
    & skf18("8","10","3","5","9","10","1") = "9"
    & skf18("8","10","3","5","10","1","1") = "9"
    & skf18("8","10","3","5","10","2","1") = "9"
    & skf18("8","10","3","5","10","3","1") = "9"
    & skf18("8","10","3","5","10","4","1") = "9"
    & skf18("8","10","3","5","10","5","1") = "9"
    & skf18("8","10","3","5","10","6","1") = "9"
    & skf18("8","10","3","5","10","7","1") = "9"
    & skf18("8","10","3","5","10","8","1") = "9"
    & skf18("8","10","3","5","10","9","1") = "9"
    & skf18("8","10","3","5","10","10","1") = "9"
    & skf18("8","10","3","6","1","1","1") = "9"
    & skf18("8","10","3","6","1","2","1") = "9"
    & skf18("8","10","3","6","1","3","1") = "9"
    & skf18("8","10","3","6","1","4","1") = "9"
    & skf18("8","10","3","6","1","5","1") = "9"
    & skf18("8","10","3","6","1","6","1") = "9"
    & skf18("8","10","3","6","1","7","1") = "9"
    & skf18("8","10","3","6","1","8","1") = "9"
    & skf18("8","10","3","6","1","9","1") = "9"
    & skf18("8","10","3","6","1","10","1") = "9"
    & skf18("8","10","3","6","2","1","1") = "9"
    & skf18("8","10","3","6","2","2","1") = "9"
    & skf18("8","10","3","6","2","3","1") = "9"
    & skf18("8","10","3","6","2","4","1") = "9"
    & skf18("8","10","3","6","2","5","1") = "9"
    & skf18("8","10","3","6","2","6","1") = "9"
    & skf18("8","10","3","6","2","7","1") = "9"
    & skf18("8","10","3","6","2","8","1") = "9"
    & skf18("8","10","3","6","2","9","1") = "9"
    & skf18("8","10","3","6","2","10","1") = "9"
    & skf18("8","10","3","6","3","1","1") = "9"
    & skf18("8","10","3","6","3","2","1") = "9"
    & skf18("8","10","3","6","3","3","1") = "9"
    & skf18("8","10","3","6","3","4","1") = "9"
    & skf18("8","10","3","6","3","5","1") = "9"
    & skf18("8","10","3","6","3","6","1") = "9"
    & skf18("8","10","3","6","3","7","1") = "9"
    & skf18("8","10","3","6","3","8","1") = "9"
    & skf18("8","10","3","6","3","9","1") = "9"
    & skf18("8","10","3","6","3","10","1") = "9"
    & skf18("8","10","3","6","4","1","1") = "9"
    & skf18("8","10","3","6","4","2","1") = "9"
    & skf18("8","10","3","6","4","3","1") = "9"
    & skf18("8","10","3","6","4","4","1") = "9"
    & skf18("8","10","3","6","4","5","1") = "9"
    & skf18("8","10","3","6","4","6","1") = "9"
    & skf18("8","10","3","6","4","7","1") = "9"
    & skf18("8","10","3","6","4","8","1") = "9"
    & skf18("8","10","3","6","4","9","1") = "9"
    & skf18("8","10","3","6","4","10","1") = "9"
    & skf18("8","10","3","6","5","1","1") = "9"
    & skf18("8","10","3","6","5","2","1") = "9"
    & skf18("8","10","3","6","5","3","1") = "9"
    & skf18("8","10","3","6","5","4","1") = "9"
    & skf18("8","10","3","6","5","5","1") = "9"
    & skf18("8","10","3","6","5","6","1") = "9"
    & skf18("8","10","3","6","5","7","1") = "9"
    & skf18("8","10","3","6","5","8","1") = "9"
    & skf18("8","10","3","6","5","9","1") = "9"
    & skf18("8","10","3","6","5","10","1") = "9"
    & skf18("8","10","3","6","6","1","1") = "9"
    & skf18("8","10","3","6","6","2","1") = "9"
    & skf18("8","10","3","6","6","3","1") = "9"
    & skf18("8","10","3","6","6","4","1") = "9"
    & skf18("8","10","3","6","6","5","1") = "9"
    & skf18("8","10","3","6","6","6","1") = "9"
    & skf18("8","10","3","6","6","7","1") = "9"
    & skf18("8","10","3","6","6","8","1") = "9"
    & skf18("8","10","3","6","6","9","1") = "9"
    & skf18("8","10","3","6","6","10","1") = "9"
    & skf18("8","10","3","6","7","1","1") = "9"
    & skf18("8","10","3","6","7","2","1") = "9"
    & skf18("8","10","3","6","7","3","1") = "9"
    & skf18("8","10","3","6","7","4","1") = "9"
    & skf18("8","10","3","6","7","5","1") = "9"
    & skf18("8","10","3","6","7","6","1") = "9"
    & skf18("8","10","3","6","7","7","1") = "9"
    & skf18("8","10","3","6","7","8","1") = "9"
    & skf18("8","10","3","6","7","9","1") = "9"
    & skf18("8","10","3","6","7","10","1") = "9"
    & skf18("8","10","3","6","8","1","1") = "9"
    & skf18("8","10","3","6","8","2","1") = "9"
    & skf18("8","10","3","6","8","3","1") = "9"
    & skf18("8","10","3","6","8","4","1") = "9"
    & skf18("8","10","3","6","8","5","1") = "9"
    & skf18("8","10","3","6","8","6","1") = "9"
    & skf18("8","10","3","6","8","7","1") = "9"
    & skf18("8","10","3","6","8","8","1") = "9"
    & skf18("8","10","3","6","8","9","1") = "9"
    & skf18("8","10","3","6","8","10","1") = "9"
    & skf18("8","10","3","6","9","1","1") = "9"
    & skf18("8","10","3","6","9","2","1") = "9"
    & skf18("8","10","3","6","9","3","1") = "9"
    & skf18("8","10","3","6","9","4","1") = "9"
    & skf18("8","10","3","6","9","5","1") = "9"
    & skf18("8","10","3","6","9","6","1") = "9"
    & skf18("8","10","3","6","9","7","1") = "9"
    & skf18("8","10","3","6","9","8","1") = "9"
    & skf18("8","10","3","6","9","9","1") = "9"
    & skf18("8","10","3","6","9","10","1") = "9"
    & skf18("8","10","3","6","10","1","1") = "9"
    & skf18("8","10","3","6","10","2","1") = "9"
    & skf18("8","10","3","6","10","3","1") = "9"
    & skf18("8","10","3","6","10","4","1") = "9"
    & skf18("8","10","3","6","10","5","1") = "9"
    & skf18("8","10","3","6","10","6","1") = "9"
    & skf18("8","10","3","6","10","7","1") = "9"
    & skf18("8","10","3","6","10","8","1") = "9"
    & skf18("8","10","3","6","10","9","1") = "9"
    & skf18("8","10","3","6","10","10","1") = "9"
    & skf18("8","10","3","7","1","1","1") = "9"
    & skf18("8","10","3","7","1","2","1") = "9"
    & skf18("8","10","3","7","1","3","1") = "9"
    & skf18("8","10","3","7","1","4","1") = "9"
    & skf18("8","10","3","7","1","5","1") = "9"
    & skf18("8","10","3","7","1","6","1") = "9"
    & skf18("8","10","3","7","1","7","1") = "9"
    & skf18("8","10","3","7","1","8","1") = "9"
    & skf18("8","10","3","7","1","9","1") = "9"
    & skf18("8","10","3","7","1","10","1") = "9"
    & skf18("8","10","3","7","2","1","1") = "9"
    & skf18("8","10","3","7","2","2","1") = "9"
    & skf18("8","10","3","7","2","3","1") = "9"
    & skf18("8","10","3","7","2","4","1") = "9"
    & skf18("8","10","3","7","2","5","1") = "9"
    & skf18("8","10","3","7","2","6","1") = "9"
    & skf18("8","10","3","7","2","7","1") = "9"
    & skf18("8","10","3","7","2","8","1") = "9"
    & skf18("8","10","3","7","2","9","1") = "9"
    & skf18("8","10","3","7","2","10","1") = "9"
    & skf18("8","10","3","7","3","1","1") = "9"
    & skf18("8","10","3","7","3","2","1") = "9"
    & skf18("8","10","3","7","3","3","1") = "9"
    & skf18("8","10","3","7","3","4","1") = "9"
    & skf18("8","10","3","7","3","5","1") = "9"
    & skf18("8","10","3","7","3","6","1") = "9"
    & skf18("8","10","3","7","3","7","1") = "9"
    & skf18("8","10","3","7","3","8","1") = "9"
    & skf18("8","10","3","7","3","9","1") = "9"
    & skf18("8","10","3","7","3","10","1") = "9"
    & skf18("8","10","3","7","4","1","1") = "9"
    & skf18("8","10","3","7","4","2","1") = "9"
    & skf18("8","10","3","7","4","3","1") = "9"
    & skf18("8","10","3","7","4","4","1") = "9"
    & skf18("8","10","3","7","4","5","1") = "9"
    & skf18("8","10","3","7","4","6","1") = "9"
    & skf18("8","10","3","7","4","7","1") = "9"
    & skf18("8","10","3","7","4","8","1") = "9"
    & skf18("8","10","3","7","4","9","1") = "9"
    & skf18("8","10","3","7","4","10","1") = "9"
    & skf18("8","10","3","7","5","1","1") = "9"
    & skf18("8","10","3","7","5","2","1") = "9"
    & skf18("8","10","3","7","5","3","1") = "9"
    & skf18("8","10","3","7","5","4","1") = "9"
    & skf18("8","10","3","7","5","5","1") = "9"
    & skf18("8","10","3","7","5","6","1") = "9"
    & skf18("8","10","3","7","5","7","1") = "9"
    & skf18("8","10","3","7","5","8","1") = "9"
    & skf18("8","10","3","7","5","9","1") = "9"
    & skf18("8","10","3","7","5","10","1") = "9"
    & skf18("8","10","3","7","6","1","1") = "9"
    & skf18("8","10","3","7","6","2","1") = "9"
    & skf18("8","10","3","7","6","3","1") = "9"
    & skf18("8","10","3","7","6","4","1") = "9"
    & skf18("8","10","3","7","6","5","1") = "9"
    & skf18("8","10","3","7","6","6","1") = "9"
    & skf18("8","10","3","7","6","7","1") = "9"
    & skf18("8","10","3","7","6","8","1") = "9"
    & skf18("8","10","3","7","6","9","1") = "9"
    & skf18("8","10","3","7","6","10","1") = "9"
    & skf18("8","10","3","7","7","1","1") = "9"
    & skf18("8","10","3","7","7","2","1") = "9"
    & skf18("8","10","3","7","7","3","1") = "9"
    & skf18("8","10","3","7","7","4","1") = "9"
    & skf18("8","10","3","7","7","5","1") = "9"
    & skf18("8","10","3","7","7","6","1") = "9"
    & skf18("8","10","3","7","7","7","1") = "9"
    & skf18("8","10","3","7","7","8","1") = "9"
    & skf18("8","10","3","7","7","9","1") = "9"
    & skf18("8","10","3","7","7","10","1") = "9"
    & skf18("8","10","3","7","8","1","1") = "9"
    & skf18("8","10","3","7","8","2","1") = "9"
    & skf18("8","10","3","7","8","3","1") = "9"
    & skf18("8","10","3","7","8","4","1") = "9"
    & skf18("8","10","3","7","8","5","1") = "9"
    & skf18("8","10","3","7","8","6","1") = "9"
    & skf18("8","10","3","7","8","7","1") = "9"
    & skf18("8","10","3","7","8","8","1") = "9"
    & skf18("8","10","3","7","8","9","1") = "9"
    & skf18("8","10","3","7","8","10","1") = "9"
    & skf18("8","10","3","7","9","1","1") = "9"
    & skf18("8","10","3","7","9","2","1") = "9"
    & skf18("8","10","3","7","9","3","1") = "9"
    & skf18("8","10","3","7","9","4","1") = "9"
    & skf18("8","10","3","7","9","5","1") = "9"
    & skf18("8","10","3","7","9","6","1") = "9"
    & skf18("8","10","3","7","9","7","1") = "9"
    & skf18("8","10","3","7","9","8","1") = "9"
    & skf18("8","10","3","7","9","9","1") = "9"
    & skf18("8","10","3","7","9","10","1") = "9"
    & skf18("8","10","3","7","10","1","1") = "9"
    & skf18("8","10","3","7","10","2","1") = "9"
    & skf18("8","10","3","7","10","3","1") = "9"
    & skf18("8","10","3","7","10","4","1") = "9"
    & skf18("8","10","3","7","10","5","1") = "9"
    & skf18("8","10","3","7","10","6","1") = "9"
    & skf18("8","10","3","7","10","7","1") = "9"
    & skf18("8","10","3","7","10","8","1") = "9"
    & skf18("8","10","3","7","10","9","1") = "9"
    & skf18("8","10","3","7","10","10","1") = "9"
    & skf18("8","10","3","8","1","1","1") = "9"
    & skf18("8","10","3","8","1","2","1") = "9"
    & skf18("8","10","3","8","1","3","1") = "9"
    & skf18("8","10","3","8","1","4","1") = "9"
    & skf18("8","10","3","8","1","5","1") = "9"
    & skf18("8","10","3","8","1","6","1") = "9"
    & skf18("8","10","3","8","1","7","1") = "9"
    & skf18("8","10","3","8","1","8","1") = "9"
    & skf18("8","10","3","8","1","9","1") = "9"
    & skf18("8","10","3","8","1","10","1") = "9"
    & skf18("8","10","3","8","2","1","1") = "9"
    & skf18("8","10","3","8","2","2","1") = "9"
    & skf18("8","10","3","8","2","3","1") = "9"
    & skf18("8","10","3","8","2","4","1") = "9"
    & skf18("8","10","3","8","2","5","1") = "9"
    & skf18("8","10","3","8","2","6","1") = "9"
    & skf18("8","10","3","8","2","7","1") = "9"
    & skf18("8","10","3","8","2","8","1") = "9"
    & skf18("8","10","3","8","2","9","1") = "9"
    & skf18("8","10","3","8","2","10","1") = "9"
    & skf18("8","10","3","8","3","1","1") = "9"
    & skf18("8","10","3","8","3","2","1") = "9"
    & skf18("8","10","3","8","3","3","1") = "9"
    & skf18("8","10","3","8","3","4","1") = "9"
    & skf18("8","10","3","8","3","5","1") = "9"
    & skf18("8","10","3","8","3","6","1") = "9"
    & skf18("8","10","3","8","3","7","1") = "9"
    & skf18("8","10","3","8","3","8","1") = "9"
    & skf18("8","10","3","8","3","9","1") = "9"
    & skf18("8","10","3","8","3","10","1") = "9"
    & skf18("8","10","3","8","4","1","1") = "9"
    & skf18("8","10","3","8","4","2","1") = "9"
    & skf18("8","10","3","8","4","3","1") = "9"
    & skf18("8","10","3","8","4","4","1") = "9"
    & skf18("8","10","3","8","4","5","1") = "9"
    & skf18("8","10","3","8","4","6","1") = "9"
    & skf18("8","10","3","8","4","7","1") = "9"
    & skf18("8","10","3","8","4","8","1") = "9"
    & skf18("8","10","3","8","4","9","1") = "9"
    & skf18("8","10","3","8","4","10","1") = "9"
    & skf18("8","10","3","8","5","1","1") = "9"
    & skf18("8","10","3","8","5","2","1") = "9"
    & skf18("8","10","3","8","5","3","1") = "9"
    & skf18("8","10","3","8","5","4","1") = "9"
    & skf18("8","10","3","8","5","5","1") = "9"
    & skf18("8","10","3","8","5","6","1") = "9"
    & skf18("8","10","3","8","5","7","1") = "9"
    & skf18("8","10","3","8","5","8","1") = "9"
    & skf18("8","10","3","8","5","9","1") = "9"
    & skf18("8","10","3","8","5","10","1") = "9"
    & skf18("8","10","3","8","6","1","1") = "9"
    & skf18("8","10","3","8","6","2","1") = "9"
    & skf18("8","10","3","8","6","3","1") = "9"
    & skf18("8","10","3","8","6","4","1") = "9"
    & skf18("8","10","3","8","6","5","1") = "9"
    & skf18("8","10","3","8","6","6","1") = "9"
    & skf18("8","10","3","8","6","7","1") = "9"
    & skf18("8","10","3","8","6","8","1") = "9"
    & skf18("8","10","3","8","6","9","1") = "9"
    & skf18("8","10","3","8","6","10","1") = "9"
    & skf18("8","10","3","8","7","1","1") = "9"
    & skf18("8","10","3","8","7","2","1") = "9"
    & skf18("8","10","3","8","7","3","1") = "9"
    & skf18("8","10","3","8","7","4","1") = "9"
    & skf18("8","10","3","8","7","5","1") = "9"
    & skf18("8","10","3","8","7","6","1") = "9"
    & skf18("8","10","3","8","7","7","1") = "9"
    & skf18("8","10","3","8","7","8","1") = "9"
    & skf18("8","10","3","8","7","9","1") = "9"
    & skf18("8","10","3","8","7","10","1") = "9"
    & skf18("8","10","3","8","8","1","1") = "9"
    & skf18("8","10","3","8","8","2","1") = "9"
    & skf18("8","10","3","8","8","3","1") = "9"
    & skf18("8","10","3","8","8","4","1") = "9"
    & skf18("8","10","3","8","8","5","1") = "9"
    & skf18("8","10","3","8","8","6","1") = "9"
    & skf18("8","10","3","8","8","7","1") = "9"
    & skf18("8","10","3","8","8","8","1") = "9"
    & skf18("8","10","3","8","8","9","1") = "9"
    & skf18("8","10","3","8","8","10","1") = "9"
    & skf18("8","10","3","8","9","1","1") = "9"
    & skf18("8","10","3","8","9","2","1") = "9"
    & skf18("8","10","3","8","9","3","1") = "9"
    & skf18("8","10","3","8","9","4","1") = "9"
    & skf18("8","10","3","8","9","5","1") = "9"
    & skf18("8","10","3","8","9","6","1") = "9"
    & skf18("8","10","3","8","9","7","1") = "9"
    & skf18("8","10","3","8","9","8","1") = "9"
    & skf18("8","10","3","8","9","9","1") = "9"
    & skf18("8","10","3","8","9","10","1") = "9"
    & skf18("8","10","3","8","10","1","1") = "9"
    & skf18("8","10","3","8","10","2","1") = "9"
    & skf18("8","10","3","8","10","3","1") = "9"
    & skf18("8","10","3","8","10","4","1") = "9"
    & skf18("8","10","3","8","10","5","1") = "9"
    & skf18("8","10","3","8","10","6","1") = "9"
    & skf18("8","10","3","8","10","7","1") = "9"
    & skf18("8","10","3","8","10","8","1") = "9"
    & skf18("8","10","3","8","10","9","1") = "9"
    & skf18("8","10","3","8","10","10","1") = "9"
    & skf18("8","10","3","9","1","1","1") = "9"
    & skf18("8","10","3","9","1","2","1") = "9"
    & skf18("8","10","3","9","1","3","1") = "9"
    & skf18("8","10","3","9","1","4","1") = "9"
    & skf18("8","10","3","9","1","5","1") = "9"
    & skf18("8","10","3","9","1","6","1") = "9"
    & skf18("8","10","3","9","1","7","1") = "9"
    & skf18("8","10","3","9","1","8","1") = "9"
    & skf18("8","10","3","9","1","9","1") = "9"
    & skf18("8","10","3","9","1","10","1") = "9"
    & skf18("8","10","3","9","2","1","1") = "9"
    & skf18("8","10","3","9","2","2","1") = "9"
    & skf18("8","10","3","9","2","3","1") = "9"
    & skf18("8","10","3","9","2","4","1") = "9"
    & skf18("8","10","3","9","2","5","1") = "9"
    & skf18("8","10","3","9","2","6","1") = "9"
    & skf18("8","10","3","9","2","7","1") = "9"
    & skf18("8","10","3","9","2","8","1") = "9"
    & skf18("8","10","3","9","2","9","1") = "9"
    & skf18("8","10","3","9","2","10","1") = "9"
    & skf18("8","10","3","9","3","1","1") = "9"
    & skf18("8","10","3","9","3","2","1") = "9"
    & skf18("8","10","3","9","3","3","1") = "9"
    & skf18("8","10","3","9","3","4","1") = "9"
    & skf18("8","10","3","9","3","5","1") = "9"
    & skf18("8","10","3","9","3","6","1") = "9"
    & skf18("8","10","3","9","3","7","1") = "9"
    & skf18("8","10","3","9","3","8","1") = "9"
    & skf18("8","10","3","9","3","9","1") = "9"
    & skf18("8","10","3","9","3","10","1") = "9"
    & skf18("8","10","3","9","4","1","1") = "9"
    & skf18("8","10","3","9","4","2","1") = "9"
    & skf18("8","10","3","9","4","3","1") = "9"
    & skf18("8","10","3","9","4","4","1") = "9"
    & skf18("8","10","3","9","4","5","1") = "9"
    & skf18("8","10","3","9","4","6","1") = "9"
    & skf18("8","10","3","9","4","7","1") = "9"
    & skf18("8","10","3","9","4","8","1") = "9"
    & skf18("8","10","3","9","4","9","1") = "9"
    & skf18("8","10","3","9","4","10","1") = "9"
    & skf18("8","10","3","9","5","1","1") = "9"
    & skf18("8","10","3","9","5","2","1") = "9"
    & skf18("8","10","3","9","5","3","1") = "9"
    & skf18("8","10","3","9","5","4","1") = "9"
    & skf18("8","10","3","9","5","5","1") = "9"
    & skf18("8","10","3","9","5","6","1") = "9"
    & skf18("8","10","3","9","5","7","1") = "9"
    & skf18("8","10","3","9","5","8","1") = "9"
    & skf18("8","10","3","9","5","9","1") = "9"
    & skf18("8","10","3","9","5","10","1") = "9"
    & skf18("8","10","3","9","6","1","1") = "9"
    & skf18("8","10","3","9","6","2","1") = "9"
    & skf18("8","10","3","9","6","3","1") = "9"
    & skf18("8","10","3","9","6","4","1") = "9"
    & skf18("8","10","3","9","6","5","1") = "9"
    & skf18("8","10","3","9","6","6","1") = "9"
    & skf18("8","10","3","9","6","7","1") = "9"
    & skf18("8","10","3","9","6","8","1") = "9"
    & skf18("8","10","3","9","6","9","1") = "9"
    & skf18("8","10","3","9","6","10","1") = "9"
    & skf18("8","10","3","9","7","1","1") = "9"
    & skf18("8","10","3","9","7","2","1") = "9"
    & skf18("8","10","3","9","7","3","1") = "9"
    & skf18("8","10","3","9","7","4","1") = "9"
    & skf18("8","10","3","9","7","5","1") = "9"
    & skf18("8","10","3","9","7","6","1") = "9"
    & skf18("8","10","3","9","7","7","1") = "9"
    & skf18("8","10","3","9","7","8","1") = "9"
    & skf18("8","10","3","9","7","9","1") = "9"
    & skf18("8","10","3","9","7","10","1") = "9"
    & skf18("8","10","3","9","8","1","1") = "9"
    & skf18("8","10","3","9","8","2","1") = "9"
    & skf18("8","10","3","9","8","3","1") = "9"
    & skf18("8","10","3","9","8","4","1") = "9"
    & skf18("8","10","3","9","8","5","1") = "9"
    & skf18("8","10","3","9","8","6","1") = "9"
    & skf18("8","10","3","9","8","7","1") = "9"
    & skf18("8","10","3","9","8","8","1") = "9"
    & skf18("8","10","3","9","8","9","1") = "9"
    & skf18("8","10","3","9","8","10","1") = "9"
    & skf18("8","10","3","9","9","1","1") = "9"
    & skf18("8","10","3","9","9","2","1") = "9"
    & skf18("8","10","3","9","9","3","1") = "9"
    & skf18("8","10","3","9","9","4","1") = "9"
    & skf18("8","10","3","9","9","5","1") = "9"
    & skf18("8","10","3","9","9","6","1") = "9"
    & skf18("8","10","3","9","9","7","1") = "9"
    & skf18("8","10","3","9","9","8","1") = "9"
    & skf18("8","10","3","9","9","9","1") = "9"
    & skf18("8","10","3","9","9","10","1") = "9"
    & skf18("8","10","3","9","10","1","1") = "9"
    & skf18("8","10","3","9","10","2","1") = "9"
    & skf18("8","10","3","9","10","3","1") = "9"
    & skf18("8","10","3","9","10","4","1") = "9"
    & skf18("8","10","3","9","10","5","1") = "9"
    & skf18("8","10","3","9","10","6","1") = "9"
    & skf18("8","10","3","9","10","7","1") = "9"
    & skf18("8","10","3","9","10","8","1") = "9"
    & skf18("8","10","3","9","10","9","1") = "9"
    & skf18("8","10","3","9","10","10","1") = "9"
    & skf18("8","10","3","10","1","1","1") = "9"
    & skf18("8","10","3","10","1","2","1") = "9"
    & skf18("8","10","3","10","1","3","1") = "9"
    & skf18("8","10","3","10","1","4","1") = "9"
    & skf18("8","10","3","10","1","5","1") = "9"
    & skf18("8","10","3","10","1","6","1") = "9"
    & skf18("8","10","3","10","1","7","1") = "9"
    & skf18("8","10","3","10","1","8","1") = "9"
    & skf18("8","10","3","10","1","9","1") = "9"
    & skf18("8","10","3","10","1","10","1") = "9"
    & skf18("8","10","3","10","2","1","1") = "9"
    & skf18("8","10","3","10","2","2","1") = "9"
    & skf18("8","10","3","10","2","3","1") = "9"
    & skf18("8","10","3","10","2","4","1") = "9"
    & skf18("8","10","3","10","2","5","1") = "9"
    & skf18("8","10","3","10","2","6","1") = "9"
    & skf18("8","10","3","10","2","7","1") = "9"
    & skf18("8","10","3","10","2","8","1") = "9"
    & skf18("8","10","3","10","2","9","1") = "9"
    & skf18("8","10","3","10","2","10","1") = "9"
    & skf18("8","10","3","10","3","1","1") = "9"
    & skf18("8","10","3","10","3","2","1") = "9"
    & skf18("8","10","3","10","3","3","1") = "9"
    & skf18("8","10","3","10","3","4","1") = "9"
    & skf18("8","10","3","10","3","5","1") = "9"
    & skf18("8","10","3","10","3","6","1") = "9"
    & skf18("8","10","3","10","3","7","1") = "9"
    & skf18("8","10","3","10","3","8","1") = "9"
    & skf18("8","10","3","10","3","9","1") = "9"
    & skf18("8","10","3","10","3","10","1") = "9"
    & skf18("8","10","3","10","4","1","1") = "9"
    & skf18("8","10","3","10","4","2","1") = "9"
    & skf18("8","10","3","10","4","3","1") = "9"
    & skf18("8","10","3","10","4","4","1") = "9"
    & skf18("8","10","3","10","4","5","1") = "9"
    & skf18("8","10","3","10","4","6","1") = "9"
    & skf18("8","10","3","10","4","7","1") = "9"
    & skf18("8","10","3","10","4","8","1") = "9"
    & skf18("8","10","3","10","4","9","1") = "9"
    & skf18("8","10","3","10","4","10","1") = "9"
    & skf18("8","10","3","10","5","1","1") = "9"
    & skf18("8","10","3","10","5","2","1") = "9"
    & skf18("8","10","3","10","5","3","1") = "9"
    & skf18("8","10","3","10","5","4","1") = "9"
    & skf18("8","10","3","10","5","5","1") = "9"
    & skf18("8","10","3","10","5","6","1") = "9"
    & skf18("8","10","3","10","5","7","1") = "9"
    & skf18("8","10","3","10","5","8","1") = "9"
    & skf18("8","10","3","10","5","9","1") = "9"
    & skf18("8","10","3","10","5","10","1") = "9"
    & skf18("8","10","3","10","6","1","1") = "9"
    & skf18("8","10","3","10","6","2","1") = "9"
    & skf18("8","10","3","10","6","3","1") = "9"
    & skf18("8","10","3","10","6","4","1") = "9"
    & skf18("8","10","3","10","6","5","1") = "9"
    & skf18("8","10","3","10","6","6","1") = "9"
    & skf18("8","10","3","10","6","7","1") = "9"
    & skf18("8","10","3","10","6","8","1") = "9"
    & skf18("8","10","3","10","6","9","1") = "9"
    & skf18("8","10","3","10","6","10","1") = "9"
    & skf18("8","10","3","10","7","1","1") = "9"
    & skf18("8","10","3","10","7","2","1") = "9"
    & skf18("8","10","3","10","7","3","1") = "9"
    & skf18("8","10","3","10","7","4","1") = "9"
    & skf18("8","10","3","10","7","5","1") = "9"
    & skf18("8","10","3","10","7","6","1") = "9"
    & skf18("8","10","3","10","7","7","1") = "9"
    & skf18("8","10","3","10","7","8","1") = "9"
    & skf18("8","10","3","10","7","9","1") = "9"
    & skf18("8","10","3","10","7","10","1") = "9"
    & skf18("8","10","3","10","8","1","1") = "9"
    & skf18("8","10","3","10","8","2","1") = "9"
    & skf18("8","10","3","10","8","3","1") = "9"
    & skf18("8","10","3","10","8","4","1") = "9"
    & skf18("8","10","3","10","8","5","1") = "9"
    & skf18("8","10","3","10","8","6","1") = "9"
    & skf18("8","10","3","10","8","7","1") = "9"
    & skf18("8","10","3","10","8","8","1") = "9"
    & skf18("8","10","3","10","8","9","1") = "9"
    & skf18("8","10","3","10","8","10","1") = "9"
    & skf18("8","10","3","10","9","1","1") = "9"
    & skf18("8","10","3","10","9","2","1") = "9"
    & skf18("8","10","3","10","9","3","1") = "9"
    & skf18("8","10","3","10","9","4","1") = "9"
    & skf18("8","10","3","10","9","5","1") = "9"
    & skf18("8","10","3","10","9","6","1") = "9"
    & skf18("8","10","3","10","9","7","1") = "9"
    & skf18("8","10","3","10","9","8","1") = "9"
    & skf18("8","10","3","10","9","9","1") = "9"
    & skf18("8","10","3","10","9","10","1") = "9"
    & skf18("8","10","3","10","10","1","1") = "9"
    & skf18("8","10","3","10","10","2","1") = "9"
    & skf18("8","10","3","10","10","3","1") = "9"
    & skf18("8","10","3","10","10","4","1") = "9"
    & skf18("8","10","3","10","10","5","1") = "9"
    & skf18("8","10","3","10","10","6","1") = "9"
    & skf18("8","10","3","10","10","7","1") = "9"
    & skf18("8","10","3","10","10","8","1") = "9"
    & skf18("8","10","3","10","10","9","1") = "9"
    & skf18("8","10","3","10","10","10","1") = "9"
    & skf18("8","10","4","1","1","1","1") = "9"
    & skf18("8","10","4","1","1","2","1") = "9"
    & skf18("8","10","4","1","1","3","1") = "9"
    & skf18("8","10","4","1","1","4","1") = "9"
    & skf18("8","10","4","1","1","5","1") = "9"
    & skf18("8","10","4","1","1","6","1") = "9"
    & skf18("8","10","4","1","1","7","1") = "9"
    & skf18("8","10","4","1","1","8","1") = "9"
    & skf18("8","10","4","1","1","9","1") = "9"
    & skf18("8","10","4","1","1","10","1") = "9"
    & skf18("8","10","4","1","2","1","1") = "9"
    & skf18("8","10","4","1","2","2","1") = "9"
    & skf18("8","10","4","1","2","3","1") = "9"
    & skf18("8","10","4","1","2","4","1") = "9"
    & skf18("8","10","4","1","2","5","1") = "9"
    & skf18("8","10","4","1","2","6","1") = "9"
    & skf18("8","10","4","1","2","7","1") = "9"
    & skf18("8","10","4","1","2","8","1") = "9"
    & skf18("8","10","4","1","2","9","1") = "9"
    & skf18("8","10","4","1","2","10","1") = "9"
    & skf18("8","10","4","1","3","1","1") = "9"
    & skf18("8","10","4","1","3","2","1") = "9"
    & skf18("8","10","4","1","3","3","1") = "9"
    & skf18("8","10","4","1","3","4","1") = "9"
    & skf18("8","10","4","1","3","5","1") = "9"
    & skf18("8","10","4","1","3","6","1") = "9"
    & skf18("8","10","4","1","3","7","1") = "9"
    & skf18("8","10","4","1","3","8","1") = "9"
    & skf18("8","10","4","1","3","9","1") = "9"
    & skf18("8","10","4","1","3","10","1") = "9"
    & skf18("8","10","4","1","4","1","1") = "9"
    & skf18("8","10","4","1","4","2","1") = "9"
    & skf18("8","10","4","1","4","3","1") = "9"
    & skf18("8","10","4","1","4","4","1") = "9"
    & skf18("8","10","4","1","4","5","1") = "9"
    & skf18("8","10","4","1","4","6","1") = "9"
    & skf18("8","10","4","1","4","7","1") = "9"
    & skf18("8","10","4","1","4","8","1") = "9"
    & skf18("8","10","4","1","4","9","1") = "9"
    & skf18("8","10","4","1","4","10","1") = "9"
    & skf18("8","10","4","1","5","1","1") = "9"
    & skf18("8","10","4","1","5","2","1") = "9"
    & skf18("8","10","4","1","5","3","1") = "9"
    & skf18("8","10","4","1","5","4","1") = "9"
    & skf18("8","10","4","1","5","5","1") = "9"
    & skf18("8","10","4","1","5","6","1") = "9"
    & skf18("8","10","4","1","5","7","1") = "9"
    & skf18("8","10","4","1","5","8","1") = "9"
    & skf18("8","10","4","1","5","9","1") = "9"
    & skf18("8","10","4","1","5","10","1") = "9"
    & skf18("8","10","4","1","6","1","1") = "9"
    & skf18("8","10","4","1","6","2","1") = "9"
    & skf18("8","10","4","1","6","3","1") = "9"
    & skf18("8","10","4","1","6","4","1") = "9"
    & skf18("8","10","4","1","6","5","1") = "9"
    & skf18("8","10","4","1","6","6","1") = "9"
    & skf18("8","10","4","1","6","7","1") = "9"
    & skf18("8","10","4","1","6","8","1") = "9"
    & skf18("8","10","4","1","6","9","1") = "9"
    & skf18("8","10","4","1","6","10","1") = "9"
    & skf18("8","10","4","1","7","1","1") = "9"
    & skf18("8","10","4","1","7","2","1") = "9"
    & skf18("8","10","4","1","7","3","1") = "9"
    & skf18("8","10","4","1","7","4","1") = "9"
    & skf18("8","10","4","1","7","5","1") = "9"
    & skf18("8","10","4","1","7","6","1") = "9"
    & skf18("8","10","4","1","7","7","1") = "9"
    & skf18("8","10","4","1","7","8","1") = "9"
    & skf18("8","10","4","1","7","9","1") = "9"
    & skf18("8","10","4","1","7","10","1") = "9"
    & skf18("8","10","4","1","8","1","1") = "9"
    & skf18("8","10","4","1","8","2","1") = "9"
    & skf18("8","10","4","1","8","3","1") = "9"
    & skf18("8","10","4","1","8","4","1") = "9"
    & skf18("8","10","4","1","8","5","1") = "9"
    & skf18("8","10","4","1","8","6","1") = "9"
    & skf18("8","10","4","1","8","7","1") = "9"
    & skf18("8","10","4","1","8","8","1") = "9"
    & skf18("8","10","4","1","8","9","1") = "9"
    & skf18("8","10","4","1","8","10","1") = "9"
    & skf18("8","10","4","1","9","1","1") = "9"
    & skf18("8","10","4","1","9","2","1") = "9"
    & skf18("8","10","4","1","9","3","1") = "9"
    & skf18("8","10","4","1","9","4","1") = "9"
    & skf18("8","10","4","1","9","5","1") = "9"
    & skf18("8","10","4","1","9","6","1") = "9"
    & skf18("8","10","4","1","9","7","1") = "9"
    & skf18("8","10","4","1","9","8","1") = "9"
    & skf18("8","10","4","1","9","9","1") = "9"
    & skf18("8","10","4","1","9","10","1") = "9"
    & skf18("8","10","4","1","10","1","1") = "9"
    & skf18("8","10","4","1","10","2","1") = "9"
    & skf18("8","10","4","1","10","3","1") = "9"
    & skf18("8","10","4","1","10","4","1") = "9"
    & skf18("8","10","4","1","10","5","1") = "9"
    & skf18("8","10","4","1","10","6","1") = "9"
    & skf18("8","10","4","1","10","7","1") = "9"
    & skf18("8","10","4","1","10","8","1") = "9"
    & skf18("8","10","4","1","10","9","1") = "9"
    & skf18("8","10","4","1","10","10","1") = "9"
    & skf18("8","10","4","2","1","1","1") = "9"
    & skf18("8","10","4","2","1","2","1") = "9"
    & skf18("8","10","4","2","1","3","1") = "9"
    & skf18("8","10","4","2","1","4","1") = "9"
    & skf18("8","10","4","2","1","5","1") = "9"
    & skf18("8","10","4","2","1","6","1") = "9"
    & skf18("8","10","4","2","1","7","1") = "9"
    & skf18("8","10","4","2","1","8","1") = "9"
    & skf18("8","10","4","2","1","9","1") = "9"
    & skf18("8","10","4","2","1","10","1") = "9"
    & skf18("8","10","4","2","2","1","1") = "9"
    & skf18("8","10","4","2","2","2","1") = "9"
    & skf18("8","10","4","2","2","3","1") = "9"
    & skf18("8","10","4","2","2","4","1") = "9"
    & skf18("8","10","4","2","2","5","1") = "9"
    & skf18("8","10","4","2","2","6","1") = "9"
    & skf18("8","10","4","2","2","7","1") = "9"
    & skf18("8","10","4","2","2","8","1") = "9"
    & skf18("8","10","4","2","2","9","1") = "9"
    & skf18("8","10","4","2","2","10","1") = "9"
    & skf18("8","10","4","2","3","1","1") = "9"
    & skf18("8","10","4","2","3","2","1") = "9"
    & skf18("8","10","4","2","3","3","1") = "9"
    & skf18("8","10","4","2","3","4","1") = "9"
    & skf18("8","10","4","2","3","5","1") = "9"
    & skf18("8","10","4","2","3","6","1") = "9"
    & skf18("8","10","4","2","3","7","1") = "9"
    & skf18("8","10","4","2","3","8","1") = "9"
    & skf18("8","10","4","2","3","9","1") = "9"
    & skf18("8","10","4","2","3","10","1") = "9"
    & skf18("8","10","4","2","4","1","1") = "9"
    & skf18("8","10","4","2","4","2","1") = "9"
    & skf18("8","10","4","2","4","3","1") = "9"
    & skf18("8","10","4","2","4","4","1") = "9"
    & skf18("8","10","4","2","4","5","1") = "9"
    & skf18("8","10","4","2","4","6","1") = "9"
    & skf18("8","10","4","2","4","7","1") = "9"
    & skf18("8","10","4","2","4","8","1") = "9"
    & skf18("8","10","4","2","4","9","1") = "9"
    & skf18("8","10","4","2","4","10","1") = "9"
    & skf18("8","10","4","2","5","1","1") = "9"
    & skf18("8","10","4","2","5","2","1") = "9"
    & skf18("8","10","4","2","5","3","1") = "9"
    & skf18("8","10","4","2","5","4","1") = "9"
    & skf18("8","10","4","2","5","5","1") = "9"
    & skf18("8","10","4","2","5","6","1") = "9"
    & skf18("8","10","4","2","5","7","1") = "9"
    & skf18("8","10","4","2","5","8","1") = "9"
    & skf18("8","10","4","2","5","9","1") = "9"
    & skf18("8","10","4","2","5","10","1") = "9"
    & skf18("8","10","4","2","6","1","1") = "9"
    & skf18("8","10","4","2","6","2","1") = "9"
    & skf18("8","10","4","2","6","3","1") = "9"
    & skf18("8","10","4","2","6","4","1") = "9"
    & skf18("8","10","4","2","6","5","1") = "9"
    & skf18("8","10","4","2","6","6","1") = "9"
    & skf18("8","10","4","2","6","7","1") = "9"
    & skf18("8","10","4","2","6","8","1") = "9"
    & skf18("8","10","4","2","6","9","1") = "9"
    & skf18("8","10","4","2","6","10","1") = "9"
    & skf18("8","10","4","2","7","1","1") = "9"
    & skf18("8","10","4","2","7","2","1") = "9"
    & skf18("8","10","4","2","7","3","1") = "9"
    & skf18("8","10","4","2","7","4","1") = "9"
    & skf18("8","10","4","2","7","5","1") = "9"
    & skf18("8","10","4","2","7","6","1") = "9"
    & skf18("8","10","4","2","7","7","1") = "9"
    & skf18("8","10","4","2","7","8","1") = "9"
    & skf18("8","10","4","2","7","9","1") = "9"
    & skf18("8","10","4","2","7","10","1") = "9"
    & skf18("8","10","4","2","8","1","1") = "9"
    & skf18("8","10","4","2","8","2","1") = "9"
    & skf18("8","10","4","2","8","3","1") = "9"
    & skf18("8","10","4","2","8","4","1") = "9"
    & skf18("8","10","4","2","8","5","1") = "9"
    & skf18("8","10","4","2","8","6","1") = "9"
    & skf18("8","10","4","2","8","7","1") = "9"
    & skf18("8","10","4","2","8","8","1") = "9"
    & skf18("8","10","4","2","8","9","1") = "9"
    & skf18("8","10","4","2","8","10","1") = "9"
    & skf18("8","10","4","2","9","1","1") = "9"
    & skf18("8","10","4","2","9","2","1") = "9"
    & skf18("8","10","4","2","9","3","1") = "9"
    & skf18("8","10","4","2","9","4","1") = "9"
    & skf18("8","10","4","2","9","5","1") = "9"
    & skf18("8","10","4","2","9","6","1") = "9"
    & skf18("8","10","4","2","9","7","1") = "9"
    & skf18("8","10","4","2","9","8","1") = "9"
    & skf18("8","10","4","2","9","9","1") = "9"
    & skf18("8","10","4","2","9","10","1") = "9"
    & skf18("8","10","4","2","10","1","1") = "9"
    & skf18("8","10","4","2","10","2","1") = "9"
    & skf18("8","10","4","2","10","3","1") = "9"
    & skf18("8","10","4","2","10","4","1") = "9"
    & skf18("8","10","4","2","10","5","1") = "9"
    & skf18("8","10","4","2","10","6","1") = "9"
    & skf18("8","10","4","2","10","7","1") = "9"
    & skf18("8","10","4","2","10","8","1") = "9"
    & skf18("8","10","4","2","10","9","1") = "9"
    & skf18("8","10","4","2","10","10","1") = "9"
    & skf18("8","10","4","3","1","1","1") = "9"
    & skf18("8","10","4","3","1","2","1") = "9"
    & skf18("8","10","4","3","1","3","1") = "9"
    & skf18("8","10","4","3","1","4","1") = "9"
    & skf18("8","10","4","3","1","5","1") = "9"
    & skf18("8","10","4","3","1","6","1") = "9"
    & skf18("8","10","4","3","1","7","1") = "9"
    & skf18("8","10","4","3","1","8","1") = "9"
    & skf18("8","10","4","3","1","9","1") = "9"
    & skf18("8","10","4","3","1","10","1") = "9"
    & skf18("8","10","4","3","2","1","1") = "9"
    & skf18("8","10","4","3","2","2","1") = "9"
    & skf18("8","10","4","3","2","3","1") = "9"
    & skf18("8","10","4","3","2","4","1") = "9"
    & skf18("8","10","4","3","2","5","1") = "9"
    & skf18("8","10","4","3","2","6","1") = "9"
    & skf18("8","10","4","3","2","7","1") = "9"
    & skf18("8","10","4","3","2","8","1") = "9"
    & skf18("8","10","4","3","2","9","1") = "9"
    & skf18("8","10","4","3","2","10","1") = "9"
    & skf18("8","10","4","3","3","1","1") = "9"
    & skf18("8","10","4","3","3","2","1") = "9"
    & skf18("8","10","4","3","3","3","1") = "9"
    & skf18("8","10","4","3","3","4","1") = "9"
    & skf18("8","10","4","3","3","5","1") = "9"
    & skf18("8","10","4","3","3","6","1") = "9"
    & skf18("8","10","4","3","3","7","1") = "9"
    & skf18("8","10","4","3","3","8","1") = "9"
    & skf18("8","10","4","3","3","9","1") = "9"
    & skf18("8","10","4","3","3","10","1") = "9"
    & skf18("8","10","4","3","4","1","1") = "9"
    & skf18("8","10","4","3","4","2","1") = "9"
    & skf18("8","10","4","3","4","3","1") = "9"
    & skf18("8","10","4","3","4","4","1") = "9"
    & skf18("8","10","4","3","4","5","1") = "9"
    & skf18("8","10","4","3","4","6","1") = "9"
    & skf18("8","10","4","3","4","7","1") = "9"
    & skf18("8","10","4","3","4","8","1") = "9"
    & skf18("8","10","4","3","4","9","1") = "9"
    & skf18("8","10","4","3","4","10","1") = "9"
    & skf18("8","10","4","3","5","1","1") = "9"
    & skf18("8","10","4","3","5","2","1") = "9"
    & skf18("8","10","4","3","5","3","1") = "9"
    & skf18("8","10","4","3","5","4","1") = "9"
    & skf18("8","10","4","3","5","5","1") = "9"
    & skf18("8","10","4","3","5","6","1") = "9"
    & skf18("8","10","4","3","5","7","1") = "9"
    & skf18("8","10","4","3","5","8","1") = "9"
    & skf18("8","10","4","3","5","9","1") = "9"
    & skf18("8","10","4","3","5","10","1") = "9"
    & skf18("8","10","4","3","6","1","1") = "9"
    & skf18("8","10","4","3","6","2","1") = "9"
    & skf18("8","10","4","3","6","3","1") = "9"
    & skf18("8","10","4","3","6","4","1") = "9"
    & skf18("8","10","4","3","6","5","1") = "9"
    & skf18("8","10","4","3","6","6","1") = "9"
    & skf18("8","10","4","3","6","7","1") = "9"
    & skf18("8","10","4","3","6","8","1") = "9"
    & skf18("8","10","4","3","6","9","1") = "9"
    & skf18("8","10","4","3","6","10","1") = "9"
    & skf18("8","10","4","3","7","1","1") = "9"
    & skf18("8","10","4","3","7","2","1") = "9"
    & skf18("8","10","4","3","7","3","1") = "9"
    & skf18("8","10","4","3","7","4","1") = "9"
    & skf18("8","10","4","3","7","5","1") = "9"
    & skf18("8","10","4","3","7","6","1") = "9"
    & skf18("8","10","4","3","7","7","1") = "9"
    & skf18("8","10","4","3","7","8","1") = "9"
    & skf18("8","10","4","3","7","9","1") = "9"
    & skf18("8","10","4","3","7","10","1") = "9"
    & skf18("8","10","4","3","8","1","1") = "9"
    & skf18("8","10","4","3","8","2","1") = "9"
    & skf18("8","10","4","3","8","3","1") = "9"
    & skf18("8","10","4","3","8","4","1") = "9"
    & skf18("8","10","4","3","8","5","1") = "9"
    & skf18("8","10","4","3","8","6","1") = "9"
    & skf18("8","10","4","3","8","7","1") = "9"
    & skf18("8","10","4","3","8","8","1") = "9"
    & skf18("8","10","4","3","8","9","1") = "9"
    & skf18("8","10","4","3","8","10","1") = "9"
    & skf18("8","10","4","3","9","1","1") = "9"
    & skf18("8","10","4","3","9","2","1") = "9"
    & skf18("8","10","4","3","9","3","1") = "9"
    & skf18("8","10","4","3","9","4","1") = "9"
    & skf18("8","10","4","3","9","5","1") = "9"
    & skf18("8","10","4","3","9","6","1") = "9"
    & skf18("8","10","4","3","9","7","1") = "9"
    & skf18("8","10","4","3","9","8","1") = "9"
    & skf18("8","10","4","3","9","9","1") = "9"
    & skf18("8","10","4","3","9","10","1") = "9"
    & skf18("8","10","4","3","10","1","1") = "9"
    & skf18("8","10","4","3","10","2","1") = "9"
    & skf18("8","10","4","3","10","3","1") = "9"
    & skf18("8","10","4","3","10","4","1") = "9"
    & skf18("8","10","4","3","10","5","1") = "9"
    & skf18("8","10","4","3","10","6","1") = "9"
    & skf18("8","10","4","3","10","7","1") = "9"
    & skf18("8","10","4","3","10","8","1") = "9"
    & skf18("8","10","4","3","10","9","1") = "9"
    & skf18("8","10","4","3","10","10","1") = "9"
    & skf18("8","10","4","4","1","1","1") = "9"
    & skf18("8","10","4","4","1","2","1") = "9"
    & skf18("8","10","4","4","1","3","1") = "9"
    & skf18("8","10","4","4","1","4","1") = "9"
    & skf18("8","10","4","4","1","5","1") = "9"
    & skf18("8","10","4","4","1","6","1") = "9"
    & skf18("8","10","4","4","1","7","1") = "9"
    & skf18("8","10","4","4","1","8","1") = "9"
    & skf18("8","10","4","4","1","9","1") = "9"
    & skf18("8","10","4","4","1","10","1") = "9"
    & skf18("8","10","4","4","2","1","1") = "9"
    & skf18("8","10","4","4","2","2","1") = "9"
    & skf18("8","10","4","4","2","3","1") = "9"
    & skf18("8","10","4","4","2","4","1") = "9"
    & skf18("8","10","4","4","2","5","1") = "9"
    & skf18("8","10","4","4","2","6","1") = "9"
    & skf18("8","10","4","4","2","7","1") = "9"
    & skf18("8","10","4","4","2","8","1") = "9"
    & skf18("8","10","4","4","2","9","1") = "9"
    & skf18("8","10","4","4","2","10","1") = "9"
    & skf18("8","10","4","4","3","1","1") = "9"
    & skf18("8","10","4","4","3","2","1") = "9"
    & skf18("8","10","4","4","3","3","1") = "9"
    & skf18("8","10","4","4","3","4","1") = "9"
    & skf18("8","10","4","4","3","5","1") = "9"
    & skf18("8","10","4","4","3","6","1") = "9"
    & skf18("8","10","4","4","3","7","1") = "9"
    & skf18("8","10","4","4","3","8","1") = "9"
    & skf18("8","10","4","4","3","9","1") = "9"
    & skf18("8","10","4","4","3","10","1") = "9"
    & skf18("8","10","4","4","4","1","1") = "9"
    & skf18("8","10","4","4","4","2","1") = "9"
    & skf18("8","10","4","4","4","3","1") = "9"
    & skf18("8","10","4","4","4","4","1") = "9"
    & skf18("8","10","4","4","4","5","1") = "9"
    & skf18("8","10","4","4","4","6","1") = "9"
    & skf18("8","10","4","4","4","7","1") = "9"
    & skf18("8","10","4","4","4","8","1") = "9"
    & skf18("8","10","4","4","4","9","1") = "9"
    & skf18("8","10","4","4","4","10","1") = "9"
    & skf18("8","10","4","4","5","1","1") = "9"
    & skf18("8","10","4","4","5","2","1") = "9"
    & skf18("8","10","4","4","5","3","1") = "9"
    & skf18("8","10","4","4","5","4","1") = "9"
    & skf18("8","10","4","4","5","5","1") = "9"
    & skf18("8","10","4","4","5","6","1") = "9"
    & skf18("8","10","4","4","5","7","1") = "9"
    & skf18("8","10","4","4","5","8","1") = "9"
    & skf18("8","10","4","4","5","9","1") = "9"
    & skf18("8","10","4","4","5","10","1") = "9"
    & skf18("8","10","4","4","6","1","1") = "9"
    & skf18("8","10","4","4","6","2","1") = "9"
    & skf18("8","10","4","4","6","3","1") = "9"
    & skf18("8","10","4","4","6","4","1") = "9"
    & skf18("8","10","4","4","6","5","1") = "9"
    & skf18("8","10","4","4","6","6","1") = "9"
    & skf18("8","10","4","4","6","7","1") = "9"
    & skf18("8","10","4","4","6","8","1") = "9"
    & skf18("8","10","4","4","6","9","1") = "9"
    & skf18("8","10","4","4","6","10","1") = "9"
    & skf18("8","10","4","4","7","1","1") = "9"
    & skf18("8","10","4","4","7","2","1") = "9"
    & skf18("8","10","4","4","7","3","1") = "9"
    & skf18("8","10","4","4","7","4","1") = "9"
    & skf18("8","10","4","4","7","5","1") = "9"
    & skf18("8","10","4","4","7","6","1") = "9"
    & skf18("8","10","4","4","7","7","1") = "9"
    & skf18("8","10","4","4","7","8","1") = "9"
    & skf18("8","10","4","4","7","9","1") = "9"
    & skf18("8","10","4","4","7","10","1") = "9"
    & skf18("8","10","4","4","8","1","1") = "9"
    & skf18("8","10","4","4","8","2","1") = "9"
    & skf18("8","10","4","4","8","3","1") = "9"
    & skf18("8","10","4","4","8","4","1") = "9"
    & skf18("8","10","4","4","8","5","1") = "9"
    & skf18("8","10","4","4","8","6","1") = "9"
    & skf18("8","10","4","4","8","7","1") = "9"
    & skf18("8","10","4","4","8","8","1") = "9"
    & skf18("8","10","4","4","8","9","1") = "9"
    & skf18("8","10","4","4","8","10","1") = "9"
    & skf18("8","10","4","4","9","1","1") = "9"
    & skf18("8","10","4","4","9","2","1") = "9"
    & skf18("8","10","4","4","9","3","1") = "9"
    & skf18("8","10","4","4","9","4","1") = "9"
    & skf18("8","10","4","4","9","5","1") = "9"
    & skf18("8","10","4","4","9","6","1") = "9"
    & skf18("8","10","4","4","9","7","1") = "9"
    & skf18("8","10","4","4","9","8","1") = "9"
    & skf18("8","10","4","4","9","9","1") = "9"
    & skf18("8","10","4","4","9","10","1") = "9"
    & skf18("8","10","4","4","10","1","1") = "9"
    & skf18("8","10","4","4","10","2","1") = "9"
    & skf18("8","10","4","4","10","3","1") = "9"
    & skf18("8","10","4","4","10","4","1") = "9"
    & skf18("8","10","4","4","10","5","1") = "9"
    & skf18("8","10","4","4","10","6","1") = "9"
    & skf18("8","10","4","4","10","7","1") = "9"
    & skf18("8","10","4","4","10","8","1") = "9"
    & skf18("8","10","4","4","10","9","1") = "9"
    & skf18("8","10","4","4","10","10","1") = "9"
    & skf18("8","10","4","5","1","1","1") = "9"
    & skf18("8","10","4","5","1","2","1") = "9"
    & skf18("8","10","4","5","1","3","1") = "9"
    & skf18("8","10","4","5","1","4","1") = "9"
    & skf18("8","10","4","5","1","5","1") = "9"
    & skf18("8","10","4","5","1","6","1") = "9"
    & skf18("8","10","4","5","1","7","1") = "9"
    & skf18("8","10","4","5","1","8","1") = "9"
    & skf18("8","10","4","5","1","9","1") = "9"
    & skf18("8","10","4","5","1","10","1") = "9"
    & skf18("8","10","4","5","2","1","1") = "9"
    & skf18("8","10","4","5","2","2","1") = "9"
    & skf18("8","10","4","5","2","3","1") = "9"
    & skf18("8","10","4","5","2","4","1") = "9"
    & skf18("8","10","4","5","2","5","1") = "9"
    & skf18("8","10","4","5","2","6","1") = "9"
    & skf18("8","10","4","5","2","7","1") = "9"
    & skf18("8","10","4","5","2","8","1") = "9"
    & skf18("8","10","4","5","2","9","1") = "9"
    & skf18("8","10","4","5","2","10","1") = "9"
    & skf18("8","10","4","5","3","1","1") = "9"
    & skf18("8","10","4","5","3","2","1") = "9"
    & skf18("8","10","4","5","3","3","1") = "9"
    & skf18("8","10","4","5","3","4","1") = "9"
    & skf18("8","10","4","5","3","5","1") = "9"
    & skf18("8","10","4","5","3","6","1") = "9"
    & skf18("8","10","4","5","3","7","1") = "9"
    & skf18("8","10","4","5","3","8","1") = "9"
    & skf18("8","10","4","5","3","9","1") = "9"
    & skf18("8","10","4","5","3","10","1") = "9"
    & skf18("8","10","4","5","4","1","1") = "9"
    & skf18("8","10","4","5","4","2","1") = "9"
    & skf18("8","10","4","5","4","3","1") = "9"
    & skf18("8","10","4","5","4","4","1") = "9"
    & skf18("8","10","4","5","4","5","1") = "9"
    & skf18("8","10","4","5","4","6","1") = "9"
    & skf18("8","10","4","5","4","7","1") = "9"
    & skf18("8","10","4","5","4","8","1") = "9"
    & skf18("8","10","4","5","4","9","1") = "9"
    & skf18("8","10","4","5","4","10","1") = "9"
    & skf18("8","10","4","5","5","1","1") = "9"
    & skf18("8","10","4","5","5","2","1") = "9"
    & skf18("8","10","4","5","5","3","1") = "9"
    & skf18("8","10","4","5","5","4","1") = "9"
    & skf18("8","10","4","5","5","5","1") = "9"
    & skf18("8","10","4","5","5","6","1") = "9"
    & skf18("8","10","4","5","5","7","1") = "9"
    & skf18("8","10","4","5","5","8","1") = "9"
    & skf18("8","10","4","5","5","9","1") = "9"
    & skf18("8","10","4","5","5","10","1") = "9"
    & skf18("8","10","4","5","6","1","1") = "9"
    & skf18("8","10","4","5","6","2","1") = "9"
    & skf18("8","10","4","5","6","3","1") = "9"
    & skf18("8","10","4","5","6","4","1") = "9"
    & skf18("8","10","4","5","6","5","1") = "9"
    & skf18("8","10","4","5","6","6","1") = "9"
    & skf18("8","10","4","5","6","7","1") = "9"
    & skf18("8","10","4","5","6","8","1") = "9"
    & skf18("8","10","4","5","6","9","1") = "9"
    & skf18("8","10","4","5","6","10","1") = "9"
    & skf18("8","10","4","5","7","1","1") = "9"
    & skf18("8","10","4","5","7","2","1") = "9"
    & skf18("8","10","4","5","7","3","1") = "9"
    & skf18("8","10","4","5","7","4","1") = "9"
    & skf18("8","10","4","5","7","5","1") = "9"
    & skf18("8","10","4","5","7","6","1") = "9"
    & skf18("8","10","4","5","7","7","1") = "9"
    & skf18("8","10","4","5","7","8","1") = "9"
    & skf18("8","10","4","5","7","9","1") = "9"
    & skf18("8","10","4","5","7","10","1") = "9"
    & skf18("8","10","4","5","8","1","1") = "9"
    & skf18("8","10","4","5","8","2","1") = "9"
    & skf18("8","10","4","5","8","3","1") = "9"
    & skf18("8","10","4","5","8","4","1") = "9"
    & skf18("8","10","4","5","8","5","1") = "9"
    & skf18("8","10","4","5","8","6","1") = "9"
    & skf18("8","10","4","5","8","7","1") = "9"
    & skf18("8","10","4","5","8","8","1") = "9"
    & skf18("8","10","4","5","8","9","1") = "9"
    & skf18("8","10","4","5","8","10","1") = "9"
    & skf18("8","10","4","5","9","1","1") = "9"
    & skf18("8","10","4","5","9","2","1") = "9"
    & skf18("8","10","4","5","9","3","1") = "9"
    & skf18("8","10","4","5","9","4","1") = "9"
    & skf18("8","10","4","5","9","5","1") = "9"
    & skf18("8","10","4","5","9","6","1") = "9"
    & skf18("8","10","4","5","9","7","1") = "9"
    & skf18("8","10","4","5","9","8","1") = "9"
    & skf18("8","10","4","5","9","9","1") = "9"
    & skf18("8","10","4","5","9","10","1") = "9"
    & skf18("8","10","4","5","10","1","1") = "9"
    & skf18("8","10","4","5","10","2","1") = "9"
    & skf18("8","10","4","5","10","3","1") = "9"
    & skf18("8","10","4","5","10","4","1") = "9"
    & skf18("8","10","4","5","10","5","1") = "9"
    & skf18("8","10","4","5","10","6","1") = "9"
    & skf18("8","10","4","5","10","7","1") = "9"
    & skf18("8","10","4","5","10","8","1") = "9"
    & skf18("8","10","4","5","10","9","1") = "9"
    & skf18("8","10","4","5","10","10","1") = "9"
    & skf18("8","10","4","6","1","1","1") = "9"
    & skf18("8","10","4","6","1","2","1") = "9"
    & skf18("8","10","4","6","1","3","1") = "9"
    & skf18("8","10","4","6","1","4","1") = "9"
    & skf18("8","10","4","6","1","5","1") = "9"
    & skf18("8","10","4","6","1","6","1") = "9"
    & skf18("8","10","4","6","1","7","1") = "9"
    & skf18("8","10","4","6","1","8","1") = "9"
    & skf18("8","10","4","6","1","9","1") = "9"
    & skf18("8","10","4","6","1","10","1") = "9"
    & skf18("8","10","4","6","2","1","1") = "9"
    & skf18("8","10","4","6","2","2","1") = "9"
    & skf18("8","10","4","6","2","3","1") = "9"
    & skf18("8","10","4","6","2","4","1") = "9"
    & skf18("8","10","4","6","2","5","1") = "9"
    & skf18("8","10","4","6","2","6","1") = "9"
    & skf18("8","10","4","6","2","7","1") = "9"
    & skf18("8","10","4","6","2","8","1") = "9"
    & skf18("8","10","4","6","2","9","1") = "9"
    & skf18("8","10","4","6","2","10","1") = "9"
    & skf18("8","10","4","6","3","1","1") = "9"
    & skf18("8","10","4","6","3","2","1") = "9"
    & skf18("8","10","4","6","3","3","1") = "9"
    & skf18("8","10","4","6","3","4","1") = "9"
    & skf18("8","10","4","6","3","5","1") = "9"
    & skf18("8","10","4","6","3","6","1") = "9"
    & skf18("8","10","4","6","3","7","1") = "9"
    & skf18("8","10","4","6","3","8","1") = "9"
    & skf18("8","10","4","6","3","9","1") = "9"
    & skf18("8","10","4","6","3","10","1") = "9"
    & skf18("8","10","4","6","4","1","1") = "9"
    & skf18("8","10","4","6","4","2","1") = "9"
    & skf18("8","10","4","6","4","3","1") = "9"
    & skf18("8","10","4","6","4","4","1") = "9"
    & skf18("8","10","4","6","4","5","1") = "9"
    & skf18("8","10","4","6","4","6","1") = "9"
    & skf18("8","10","4","6","4","7","1") = "9"
    & skf18("8","10","4","6","4","8","1") = "9"
    & skf18("8","10","4","6","4","9","1") = "9"
    & skf18("8","10","4","6","4","10","1") = "9"
    & skf18("8","10","4","6","5","1","1") = "9"
    & skf18("8","10","4","6","5","2","1") = "9"
    & skf18("8","10","4","6","5","3","1") = "9"
    & skf18("8","10","4","6","5","4","1") = "9"
    & skf18("8","10","4","6","5","5","1") = "9"
    & skf18("8","10","4","6","5","6","1") = "9"
    & skf18("8","10","4","6","5","7","1") = "9"
    & skf18("8","10","4","6","5","8","1") = "9"
    & skf18("8","10","4","6","5","9","1") = "9"
    & skf18("8","10","4","6","5","10","1") = "9"
    & skf18("8","10","4","6","6","1","1") = "9"
    & skf18("8","10","4","6","6","2","1") = "9"
    & skf18("8","10","4","6","6","3","1") = "9"
    & skf18("8","10","4","6","6","4","1") = "9"
    & skf18("8","10","4","6","6","5","1") = "9"
    & skf18("8","10","4","6","6","6","1") = "9"
    & skf18("8","10","4","6","6","7","1") = "9"
    & skf18("8","10","4","6","6","8","1") = "9"
    & skf18("8","10","4","6","6","9","1") = "9"
    & skf18("8","10","4","6","6","10","1") = "9"
    & skf18("8","10","4","6","7","1","1") = "9"
    & skf18("8","10","4","6","7","2","1") = "9"
    & skf18("8","10","4","6","7","3","1") = "9"
    & skf18("8","10","4","6","7","4","1") = "9"
    & skf18("8","10","4","6","7","5","1") = "9"
    & skf18("8","10","4","6","7","6","1") = "9"
    & skf18("8","10","4","6","7","7","1") = "9"
    & skf18("8","10","4","6","7","8","1") = "9"
    & skf18("8","10","4","6","7","9","1") = "9"
    & skf18("8","10","4","6","7","10","1") = "9"
    & skf18("8","10","4","6","8","1","1") = "9"
    & skf18("8","10","4","6","8","2","1") = "9"
    & skf18("8","10","4","6","8","3","1") = "9"
    & skf18("8","10","4","6","8","4","1") = "9"
    & skf18("8","10","4","6","8","5","1") = "9"
    & skf18("8","10","4","6","8","6","1") = "9"
    & skf18("8","10","4","6","8","7","1") = "9"
    & skf18("8","10","4","6","8","8","1") = "9"
    & skf18("8","10","4","6","8","9","1") = "9"
    & skf18("8","10","4","6","8","10","1") = "9"
    & skf18("8","10","4","6","9","1","1") = "9"
    & skf18("8","10","4","6","9","2","1") = "9"
    & skf18("8","10","4","6","9","3","1") = "9"
    & skf18("8","10","4","6","9","4","1") = "9"
    & skf18("8","10","4","6","9","5","1") = "9"
    & skf18("8","10","4","6","9","6","1") = "9"
    & skf18("8","10","4","6","9","7","1") = "9"
    & skf18("8","10","4","6","9","8","1") = "9"
    & skf18("8","10","4","6","9","9","1") = "9"
    & skf18("8","10","4","6","9","10","1") = "9"
    & skf18("8","10","4","6","10","1","1") = "9"
    & skf18("8","10","4","6","10","2","1") = "9"
    & skf18("8","10","4","6","10","3","1") = "9"
    & skf18("8","10","4","6","10","4","1") = "9"
    & skf18("8","10","4","6","10","5","1") = "9"
    & skf18("8","10","4","6","10","6","1") = "9"
    & skf18("8","10","4","6","10","7","1") = "9"
    & skf18("8","10","4","6","10","8","1") = "9"
    & skf18("8","10","4","6","10","9","1") = "9"
    & skf18("8","10","4","6","10","10","1") = "9"
    & skf18("8","10","4","7","1","1","1") = "9"
    & skf18("8","10","4","7","1","2","1") = "9"
    & skf18("8","10","4","7","1","3","1") = "9"
    & skf18("8","10","4","7","1","4","1") = "9"
    & skf18("8","10","4","7","1","5","1") = "9"
    & skf18("8","10","4","7","1","6","1") = "9"
    & skf18("8","10","4","7","1","7","1") = "9"
    & skf18("8","10","4","7","1","8","1") = "9"
    & skf18("8","10","4","7","1","9","1") = "9"
    & skf18("8","10","4","7","1","10","1") = "9"
    & skf18("8","10","4","7","2","1","1") = "9"
    & skf18("8","10","4","7","2","2","1") = "9"
    & skf18("8","10","4","7","2","3","1") = "9"
    & skf18("8","10","4","7","2","4","1") = "9"
    & skf18("8","10","4","7","2","5","1") = "9"
    & skf18("8","10","4","7","2","6","1") = "9"
    & skf18("8","10","4","7","2","7","1") = "9"
    & skf18("8","10","4","7","2","8","1") = "9"
    & skf18("8","10","4","7","2","9","1") = "9"
    & skf18("8","10","4","7","2","10","1") = "9"
    & skf18("8","10","4","7","3","1","1") = "9"
    & skf18("8","10","4","7","3","2","1") = "9"
    & skf18("8","10","4","7","3","3","1") = "9"
    & skf18("8","10","4","7","3","4","1") = "9"
    & skf18("8","10","4","7","3","5","1") = "9"
    & skf18("8","10","4","7","3","6","1") = "9"
    & skf18("8","10","4","7","3","7","1") = "9"
    & skf18("8","10","4","7","3","8","1") = "9"
    & skf18("8","10","4","7","3","9","1") = "9"
    & skf18("8","10","4","7","3","10","1") = "9"
    & skf18("8","10","4","7","4","1","1") = "9"
    & skf18("8","10","4","7","4","2","1") = "9"
    & skf18("8","10","4","7","4","3","1") = "9"
    & skf18("8","10","4","7","4","4","1") = "9"
    & skf18("8","10","4","7","4","5","1") = "9"
    & skf18("8","10","4","7","4","6","1") = "9"
    & skf18("8","10","4","7","4","7","1") = "9"
    & skf18("8","10","4","7","4","8","1") = "9"
    & skf18("8","10","4","7","4","9","1") = "9"
    & skf18("8","10","4","7","4","10","1") = "9"
    & skf18("8","10","4","7","5","1","1") = "9"
    & skf18("8","10","4","7","5","2","1") = "9"
    & skf18("8","10","4","7","5","3","1") = "9"
    & skf18("8","10","4","7","5","4","1") = "9"
    & skf18("8","10","4","7","5","5","1") = "9"
    & skf18("8","10","4","7","5","6","1") = "9"
    & skf18("8","10","4","7","5","7","1") = "9"
    & skf18("8","10","4","7","5","8","1") = "9"
    & skf18("8","10","4","7","5","9","1") = "9"
    & skf18("8","10","4","7","5","10","1") = "9"
    & skf18("8","10","4","7","6","1","1") = "9"
    & skf18("8","10","4","7","6","2","1") = "9"
    & skf18("8","10","4","7","6","3","1") = "9"
    & skf18("8","10","4","7","6","4","1") = "9"
    & skf18("8","10","4","7","6","5","1") = "9"
    & skf18("8","10","4","7","6","6","1") = "9"
    & skf18("8","10","4","7","6","7","1") = "9"
    & skf18("8","10","4","7","6","8","1") = "9"
    & skf18("8","10","4","7","6","9","1") = "9"
    & skf18("8","10","4","7","6","10","1") = "9"
    & skf18("8","10","4","7","7","1","1") = "9"
    & skf18("8","10","4","7","7","2","1") = "9"
    & skf18("8","10","4","7","7","3","1") = "9"
    & skf18("8","10","4","7","7","4","1") = "9"
    & skf18("8","10","4","7","7","5","1") = "9"
    & skf18("8","10","4","7","7","6","1") = "9"
    & skf18("8","10","4","7","7","7","1") = "9"
    & skf18("8","10","4","7","7","8","1") = "9"
    & skf18("8","10","4","7","7","9","1") = "9"
    & skf18("8","10","4","7","7","10","1") = "9"
    & skf18("8","10","4","7","8","1","1") = "9"
    & skf18("8","10","4","7","8","2","1") = "9"
    & skf18("8","10","4","7","8","3","1") = "9"
    & skf18("8","10","4","7","8","4","1") = "9"
    & skf18("8","10","4","7","8","5","1") = "9"
    & skf18("8","10","4","7","8","6","1") = "9"
    & skf18("8","10","4","7","8","7","1") = "9"
    & skf18("8","10","4","7","8","8","1") = "9"
    & skf18("8","10","4","7","8","9","1") = "9"
    & skf18("8","10","4","7","8","10","1") = "9"
    & skf18("8","10","4","7","9","1","1") = "9"
    & skf18("8","10","4","7","9","2","1") = "9"
    & skf18("8","10","4","7","9","3","1") = "9"
    & skf18("8","10","4","7","9","4","1") = "9"
    & skf18("8","10","4","7","9","5","1") = "9"
    & skf18("8","10","4","7","9","6","1") = "9"
    & skf18("8","10","4","7","9","7","1") = "9"
    & skf18("8","10","4","7","9","8","1") = "9"
    & skf18("8","10","4","7","9","9","1") = "9"
    & skf18("8","10","4","7","9","10","1") = "9"
    & skf18("8","10","4","7","10","1","1") = "9"
    & skf18("8","10","4","7","10","2","1") = "9"
    & skf18("8","10","4","7","10","3","1") = "9"
    & skf18("8","10","4","7","10","4","1") = "9"
    & skf18("8","10","4","7","10","5","1") = "9"
    & skf18("8","10","4","7","10","6","1") = "9"
    & skf18("8","10","4","7","10","7","1") = "9"
    & skf18("8","10","4","7","10","8","1") = "9"
    & skf18("8","10","4","7","10","9","1") = "9"
    & skf18("8","10","4","7","10","10","1") = "9"
    & skf18("8","10","4","8","1","1","1") = "9"
    & skf18("8","10","4","8","1","2","1") = "9"
    & skf18("8","10","4","8","1","3","1") = "9"
    & skf18("8","10","4","8","1","4","1") = "9"
    & skf18("8","10","4","8","1","5","1") = "9"
    & skf18("8","10","4","8","1","6","1") = "9"
    & skf18("8","10","4","8","1","7","1") = "9"
    & skf18("8","10","4","8","1","8","1") = "9"
    & skf18("8","10","4","8","1","9","1") = "9"
    & skf18("8","10","4","8","1","10","1") = "9"
    & skf18("8","10","4","8","2","1","1") = "9"
    & skf18("8","10","4","8","2","2","1") = "9"
    & skf18("8","10","4","8","2","3","1") = "9"
    & skf18("8","10","4","8","2","4","1") = "9"
    & skf18("8","10","4","8","2","5","1") = "9"
    & skf18("8","10","4","8","2","6","1") = "9"
    & skf18("8","10","4","8","2","7","1") = "9"
    & skf18("8","10","4","8","2","8","1") = "9"
    & skf18("8","10","4","8","2","9","1") = "9"
    & skf18("8","10","4","8","2","10","1") = "9"
    & skf18("8","10","4","8","3","1","1") = "9"
    & skf18("8","10","4","8","3","2","1") = "9"
    & skf18("8","10","4","8","3","3","1") = "9"
    & skf18("8","10","4","8","3","4","1") = "9"
    & skf18("8","10","4","8","3","5","1") = "9"
    & skf18("8","10","4","8","3","6","1") = "9"
    & skf18("8","10","4","8","3","7","1") = "9"
    & skf18("8","10","4","8","3","8","1") = "9"
    & skf18("8","10","4","8","3","9","1") = "9"
    & skf18("8","10","4","8","3","10","1") = "9"
    & skf18("8","10","4","8","4","1","1") = "9"
    & skf18("8","10","4","8","4","2","1") = "9"
    & skf18("8","10","4","8","4","3","1") = "9"
    & skf18("8","10","4","8","4","4","1") = "9"
    & skf18("8","10","4","8","4","5","1") = "9"
    & skf18("8","10","4","8","4","6","1") = "9"
    & skf18("8","10","4","8","4","7","1") = "9"
    & skf18("8","10","4","8","4","8","1") = "9"
    & skf18("8","10","4","8","4","9","1") = "9"
    & skf18("8","10","4","8","4","10","1") = "9"
    & skf18("8","10","4","8","5","1","1") = "9"
    & skf18("8","10","4","8","5","2","1") = "9"
    & skf18("8","10","4","8","5","3","1") = "9"
    & skf18("8","10","4","8","5","4","1") = "9"
    & skf18("8","10","4","8","5","5","1") = "9"
    & skf18("8","10","4","8","5","6","1") = "9"
    & skf18("8","10","4","8","5","7","1") = "9"
    & skf18("8","10","4","8","5","8","1") = "9"
    & skf18("8","10","4","8","5","9","1") = "9"
    & skf18("8","10","4","8","5","10","1") = "9"
    & skf18("8","10","4","8","6","1","1") = "9"
    & skf18("8","10","4","8","6","2","1") = "9"
    & skf18("8","10","4","8","6","3","1") = "9"
    & skf18("8","10","4","8","6","4","1") = "9"
    & skf18("8","10","4","8","6","5","1") = "9"
    & skf18("8","10","4","8","6","6","1") = "9"
    & skf18("8","10","4","8","6","7","1") = "9"
    & skf18("8","10","4","8","6","8","1") = "9"
    & skf18("8","10","4","8","6","9","1") = "9"
    & skf18("8","10","4","8","6","10","1") = "9"
    & skf18("8","10","4","8","7","1","1") = "9"
    & skf18("8","10","4","8","7","2","1") = "9"
    & skf18("8","10","4","8","7","3","1") = "9"
    & skf18("8","10","4","8","7","4","1") = "9"
    & skf18("8","10","4","8","7","5","1") = "9"
    & skf18("8","10","4","8","7","6","1") = "9"
    & skf18("8","10","4","8","7","7","1") = "9"
    & skf18("8","10","4","8","7","8","1") = "9"
    & skf18("8","10","4","8","7","9","1") = "9"
    & skf18("8","10","4","8","7","10","1") = "9"
    & skf18("8","10","4","8","8","1","1") = "9"
    & skf18("8","10","4","8","8","2","1") = "9"
    & skf18("8","10","4","8","8","3","1") = "9"
    & skf18("8","10","4","8","8","4","1") = "9"
    & skf18("8","10","4","8","8","5","1") = "9"
    & skf18("8","10","4","8","8","6","1") = "9"
    & skf18("8","10","4","8","8","7","1") = "9"
    & skf18("8","10","4","8","8","8","1") = "9"
    & skf18("8","10","4","8","8","9","1") = "9"
    & skf18("8","10","4","8","8","10","1") = "9"
    & skf18("8","10","4","8","9","1","1") = "9"
    & skf18("8","10","4","8","9","2","1") = "9"
    & skf18("8","10","4","8","9","3","1") = "9"
    & skf18("8","10","4","8","9","4","1") = "9"
    & skf18("8","10","4","8","9","5","1") = "9"
    & skf18("8","10","4","8","9","6","1") = "9"
    & skf18("8","10","4","8","9","7","1") = "9"
    & skf18("8","10","4","8","9","8","1") = "9"
    & skf18("8","10","4","8","9","9","1") = "9"
    & skf18("8","10","4","8","9","10","1") = "9"
    & skf18("8","10","4","8","10","1","1") = "9"
    & skf18("8","10","4","8","10","2","1") = "9"
    & skf18("8","10","4","8","10","3","1") = "9"
    & skf18("8","10","4","8","10","4","1") = "9"
    & skf18("8","10","4","8","10","5","1") = "9"
    & skf18("8","10","4","8","10","6","1") = "9"
    & skf18("8","10","4","8","10","7","1") = "9"
    & skf18("8","10","4","8","10","8","1") = "9"
    & skf18("8","10","4","8","10","9","1") = "9"
    & skf18("8","10","4","8","10","10","1") = "9"
    & skf18("8","10","4","9","1","1","1") = "9"
    & skf18("8","10","4","9","1","2","1") = "9"
    & skf18("8","10","4","9","1","3","1") = "9"
    & skf18("8","10","4","9","1","4","1") = "9"
    & skf18("8","10","4","9","1","5","1") = "9"
    & skf18("8","10","4","9","1","6","1") = "9"
    & skf18("8","10","4","9","1","7","1") = "9"
    & skf18("8","10","4","9","1","8","1") = "9"
    & skf18("8","10","4","9","1","9","1") = "9"
    & skf18("8","10","4","9","1","10","1") = "9"
    & skf18("8","10","4","9","2","1","1") = "9"
    & skf18("8","10","4","9","2","2","1") = "9"
    & skf18("8","10","4","9","2","3","1") = "9"
    & skf18("8","10","4","9","2","4","1") = "9"
    & skf18("8","10","4","9","2","5","1") = "9"
    & skf18("8","10","4","9","2","6","1") = "9"
    & skf18("8","10","4","9","2","7","1") = "9"
    & skf18("8","10","4","9","2","8","1") = "9"
    & skf18("8","10","4","9","2","9","1") = "9"
    & skf18("8","10","4","9","2","10","1") = "9"
    & skf18("8","10","4","9","3","1","1") = "9"
    & skf18("8","10","4","9","3","2","1") = "9"
    & skf18("8","10","4","9","3","3","1") = "9"
    & skf18("8","10","4","9","3","4","1") = "9"
    & skf18("8","10","4","9","3","5","1") = "9"
    & skf18("8","10","4","9","3","6","1") = "9"
    & skf18("8","10","4","9","3","7","1") = "9"
    & skf18("8","10","4","9","3","8","1") = "9"
    & skf18("8","10","4","9","3","9","1") = "9"
    & skf18("8","10","4","9","3","10","1") = "9"
    & skf18("8","10","4","9","4","1","1") = "9"
    & skf18("8","10","4","9","4","2","1") = "9"
    & skf18("8","10","4","9","4","3","1") = "9"
    & skf18("8","10","4","9","4","4","1") = "9"
    & skf18("8","10","4","9","4","5","1") = "9"
    & skf18("8","10","4","9","4","6","1") = "9"
    & skf18("8","10","4","9","4","7","1") = "9"
    & skf18("8","10","4","9","4","8","1") = "9"
    & skf18("8","10","4","9","4","9","1") = "9"
    & skf18("8","10","4","9","4","10","1") = "9"
    & skf18("8","10","4","9","5","1","1") = "9"
    & skf18("8","10","4","9","5","2","1") = "9"
    & skf18("8","10","4","9","5","3","1") = "9"
    & skf18("8","10","4","9","5","4","1") = "9"
    & skf18("8","10","4","9","5","5","1") = "9"
    & skf18("8","10","4","9","5","6","1") = "9"
    & skf18("8","10","4","9","5","7","1") = "9"
    & skf18("8","10","4","9","5","8","1") = "9"
    & skf18("8","10","4","9","5","9","1") = "9"
    & skf18("8","10","4","9","5","10","1") = "9"
    & skf18("8","10","4","9","6","1","1") = "9"
    & skf18("8","10","4","9","6","2","1") = "9"
    & skf18("8","10","4","9","6","3","1") = "9"
    & skf18("8","10","4","9","6","4","1") = "9"
    & skf18("8","10","4","9","6","5","1") = "9"
    & skf18("8","10","4","9","6","6","1") = "9"
    & skf18("8","10","4","9","6","7","1") = "9"
    & skf18("8","10","4","9","6","8","1") = "9"
    & skf18("8","10","4","9","6","9","1") = "9"
    & skf18("8","10","4","9","6","10","1") = "9"
    & skf18("8","10","4","9","7","1","1") = "9"
    & skf18("8","10","4","9","7","2","1") = "9"
    & skf18("8","10","4","9","7","3","1") = "9"
    & skf18("8","10","4","9","7","4","1") = "9"
    & skf18("8","10","4","9","7","5","1") = "9"
    & skf18("8","10","4","9","7","6","1") = "9"
    & skf18("8","10","4","9","7","7","1") = "9"
    & skf18("8","10","4","9","7","8","1") = "9"
    & skf18("8","10","4","9","7","9","1") = "9"
    & skf18("8","10","4","9","7","10","1") = "9"
    & skf18("8","10","4","9","8","1","1") = "9"
    & skf18("8","10","4","9","8","2","1") = "9"
    & skf18("8","10","4","9","8","3","1") = "9"
    & skf18("8","10","4","9","8","4","1") = "9"
    & skf18("8","10","4","9","8","5","1") = "9"
    & skf18("8","10","4","9","8","6","1") = "9"
    & skf18("8","10","4","9","8","7","1") = "9"
    & skf18("8","10","4","9","8","8","1") = "9"
    & skf18("8","10","4","9","8","9","1") = "9"
    & skf18("8","10","4","9","8","10","1") = "9"
    & skf18("8","10","4","9","9","1","1") = "9"
    & skf18("8","10","4","9","9","2","1") = "9"
    & skf18("8","10","4","9","9","3","1") = "9"
    & skf18("8","10","4","9","9","4","1") = "9"
    & skf18("8","10","4","9","9","5","1") = "9"
    & skf18("8","10","4","9","9","6","1") = "9"
    & skf18("8","10","4","9","9","7","1") = "9"
    & skf18("8","10","4","9","9","8","1") = "9"
    & skf18("8","10","4","9","9","9","1") = "9"
    & skf18("8","10","4","9","9","10","1") = "9"
    & skf18("8","10","4","9","10","1","1") = "9"
    & skf18("8","10","4","9","10","2","1") = "9"
    & skf18("8","10","4","9","10","3","1") = "9"
    & skf18("8","10","4","9","10","4","1") = "9"
    & skf18("8","10","4","9","10","5","1") = "9"
    & skf18("8","10","4","9","10","6","1") = "9"
    & skf18("8","10","4","9","10","7","1") = "9"
    & skf18("8","10","4","9","10","8","1") = "9"
    & skf18("8","10","4","9","10","9","1") = "9"
    & skf18("8","10","4","9","10","10","1") = "9"
    & skf18("8","10","4","10","1","1","1") = "9"
    & skf18("8","10","4","10","1","2","1") = "9"
    & skf18("8","10","4","10","1","3","1") = "9"
    & skf18("8","10","4","10","1","4","1") = "9"
    & skf18("8","10","4","10","1","5","1") = "9"
    & skf18("8","10","4","10","1","6","1") = "9"
    & skf18("8","10","4","10","1","7","1") = "9"
    & skf18("8","10","4","10","1","8","1") = "9"
    & skf18("8","10","4","10","1","9","1") = "9"
    & skf18("8","10","4","10","1","10","1") = "9"
    & skf18("8","10","4","10","2","1","1") = "9"
    & skf18("8","10","4","10","2","2","1") = "9"
    & skf18("8","10","4","10","2","3","1") = "9"
    & skf18("8","10","4","10","2","4","1") = "9"
    & skf18("8","10","4","10","2","5","1") = "9"
    & skf18("8","10","4","10","2","6","1") = "9"
    & skf18("8","10","4","10","2","7","1") = "9"
    & skf18("8","10","4","10","2","8","1") = "9"
    & skf18("8","10","4","10","2","9","1") = "9"
    & skf18("8","10","4","10","2","10","1") = "9"
    & skf18("8","10","4","10","3","1","1") = "9"
    & skf18("8","10","4","10","3","2","1") = "9"
    & skf18("8","10","4","10","3","3","1") = "9"
    & skf18("8","10","4","10","3","4","1") = "9"
    & skf18("8","10","4","10","3","5","1") = "9"
    & skf18("8","10","4","10","3","6","1") = "9"
    & skf18("8","10","4","10","3","7","1") = "9"
    & skf18("8","10","4","10","3","8","1") = "9"
    & skf18("8","10","4","10","3","9","1") = "9"
    & skf18("8","10","4","10","3","10","1") = "9"
    & skf18("8","10","4","10","4","1","1") = "9"
    & skf18("8","10","4","10","4","2","1") = "9"
    & skf18("8","10","4","10","4","3","1") = "9"
    & skf18("8","10","4","10","4","4","1") = "9"
    & skf18("8","10","4","10","4","5","1") = "9"
    & skf18("8","10","4","10","4","6","1") = "9"
    & skf18("8","10","4","10","4","7","1") = "9"
    & skf18("8","10","4","10","4","8","1") = "9"
    & skf18("8","10","4","10","4","9","1") = "9"
    & skf18("8","10","4","10","4","10","1") = "9"
    & skf18("8","10","4","10","5","1","1") = "9"
    & skf18("8","10","4","10","5","2","1") = "9"
    & skf18("8","10","4","10","5","3","1") = "9"
    & skf18("8","10","4","10","5","4","1") = "9"
    & skf18("8","10","4","10","5","5","1") = "9"
    & skf18("8","10","4","10","5","6","1") = "9"
    & skf18("8","10","4","10","5","7","1") = "9"
    & skf18("8","10","4","10","5","8","1") = "9"
    & skf18("8","10","4","10","5","9","1") = "9"
    & skf18("8","10","4","10","5","10","1") = "9"
    & skf18("8","10","4","10","6","1","1") = "9"
    & skf18("8","10","4","10","6","2","1") = "9"
    & skf18("8","10","4","10","6","3","1") = "9"
    & skf18("8","10","4","10","6","4","1") = "9"
    & skf18("8","10","4","10","6","5","1") = "9"
    & skf18("8","10","4","10","6","6","1") = "9"
    & skf18("8","10","4","10","6","7","1") = "9"
    & skf18("8","10","4","10","6","8","1") = "9"
    & skf18("8","10","4","10","6","9","1") = "9"
    & skf18("8","10","4","10","6","10","1") = "9"
    & skf18("8","10","4","10","7","1","1") = "9"
    & skf18("8","10","4","10","7","2","1") = "9"
    & skf18("8","10","4","10","7","3","1") = "9"
    & skf18("8","10","4","10","7","4","1") = "9"
    & skf18("8","10","4","10","7","5","1") = "9"
    & skf18("8","10","4","10","7","6","1") = "9"
    & skf18("8","10","4","10","7","7","1") = "9"
    & skf18("8","10","4","10","7","8","1") = "9"
    & skf18("8","10","4","10","7","9","1") = "9"
    & skf18("8","10","4","10","7","10","1") = "9"
    & skf18("8","10","4","10","8","1","1") = "9"
    & skf18("8","10","4","10","8","2","1") = "9"
    & skf18("8","10","4","10","8","3","1") = "9"
    & skf18("8","10","4","10","8","4","1") = "9"
    & skf18("8","10","4","10","8","5","1") = "9"
    & skf18("8","10","4","10","8","6","1") = "9"
    & skf18("8","10","4","10","8","7","1") = "9"
    & skf18("8","10","4","10","8","8","1") = "9"
    & skf18("8","10","4","10","8","9","1") = "9"
    & skf18("8","10","4","10","8","10","1") = "9"
    & skf18("8","10","4","10","9","1","1") = "9"
    & skf18("8","10","4","10","9","2","1") = "9"
    & skf18("8","10","4","10","9","3","1") = "9"
    & skf18("8","10","4","10","9","4","1") = "9"
    & skf18("8","10","4","10","9","5","1") = "9"
    & skf18("8","10","4","10","9","6","1") = "9"
    & skf18("8","10","4","10","9","7","1") = "9"
    & skf18("8","10","4","10","9","8","1") = "9"
    & skf18("8","10","4","10","9","9","1") = "9"
    & skf18("8","10","4","10","9","10","1") = "9"
    & skf18("8","10","4","10","10","1","1") = "9"
    & skf18("8","10","4","10","10","2","1") = "9"
    & skf18("8","10","4","10","10","3","1") = "9"
    & skf18("8","10","4","10","10","4","1") = "9"
    & skf18("8","10","4","10","10","5","1") = "9"
    & skf18("8","10","4","10","10","6","1") = "9"
    & skf18("8","10","4","10","10","7","1") = "9"
    & skf18("8","10","4","10","10","8","1") = "9"
    & skf18("8","10","4","10","10","9","1") = "9"
    & skf18("8","10","4","10","10","10","1") = "9"
    & skf18("8","10","5","1","1","1","1") = "9"
    & skf18("8","10","5","1","1","2","1") = "9"
    & skf18("8","10","5","1","1","3","1") = "9"
    & skf18("8","10","5","1","1","4","1") = "9"
    & skf18("8","10","5","1","1","5","1") = "9"
    & skf18("8","10","5","1","1","6","1") = "9"
    & skf18("8","10","5","1","1","7","1") = "9"
    & skf18("8","10","5","1","1","8","1") = "9"
    & skf18("8","10","5","1","1","9","1") = "9"
    & skf18("8","10","5","1","1","10","1") = "9"
    & skf18("8","10","5","1","2","1","1") = "9"
    & skf18("8","10","5","1","2","2","1") = "9"
    & skf18("8","10","5","1","2","3","1") = "9"
    & skf18("8","10","5","1","2","4","1") = "9"
    & skf18("8","10","5","1","2","5","1") = "9"
    & skf18("8","10","5","1","2","6","1") = "9"
    & skf18("8","10","5","1","2","7","1") = "9"
    & skf18("8","10","5","1","2","8","1") = "9"
    & skf18("8","10","5","1","2","9","1") = "9"
    & skf18("8","10","5","1","2","10","1") = "9"
    & skf18("8","10","5","1","3","1","1") = "9"
    & skf18("8","10","5","1","3","2","1") = "9"
    & skf18("8","10","5","1","3","3","1") = "9"
    & skf18("8","10","5","1","3","4","1") = "9"
    & skf18("8","10","5","1","3","5","1") = "9"
    & skf18("8","10","5","1","3","6","1") = "9"
    & skf18("8","10","5","1","3","7","1") = "9"
    & skf18("8","10","5","1","3","8","1") = "9"
    & skf18("8","10","5","1","3","9","1") = "9"
    & skf18("8","10","5","1","3","10","1") = "9"
    & skf18("8","10","5","1","4","1","1") = "9"
    & skf18("8","10","5","1","4","2","1") = "9"
    & skf18("8","10","5","1","4","3","1") = "9"
    & skf18("8","10","5","1","4","4","1") = "9"
    & skf18("8","10","5","1","4","5","1") = "9"
    & skf18("8","10","5","1","4","6","1") = "9"
    & skf18("8","10","5","1","4","7","1") = "9"
    & skf18("8","10","5","1","4","8","1") = "9"
    & skf18("8","10","5","1","4","9","1") = "9"
    & skf18("8","10","5","1","4","10","1") = "9"
    & skf18("8","10","5","1","5","1","1") = "9"
    & skf18("8","10","5","1","5","2","1") = "9"
    & skf18("8","10","5","1","5","3","1") = "9"
    & skf18("8","10","5","1","5","4","1") = "9"
    & skf18("8","10","5","1","5","5","1") = "9"
    & skf18("8","10","5","1","5","6","1") = "9"
    & skf18("8","10","5","1","5","7","1") = "9"
    & skf18("8","10","5","1","5","8","1") = "9"
    & skf18("8","10","5","1","5","9","1") = "9"
    & skf18("8","10","5","1","5","10","1") = "9"
    & skf18("8","10","5","1","6","1","1") = "9"
    & skf18("8","10","5","1","6","2","1") = "9"
    & skf18("8","10","5","1","6","3","1") = "9"
    & skf18("8","10","5","1","6","4","1") = "9"
    & skf18("8","10","5","1","6","5","1") = "9"
    & skf18("8","10","5","1","6","6","1") = "9"
    & skf18("8","10","5","1","6","7","1") = "9"
    & skf18("8","10","5","1","6","8","1") = "9"
    & skf18("8","10","5","1","6","9","1") = "9"
    & skf18("8","10","5","1","6","10","1") = "9"
    & skf18("8","10","5","1","7","1","1") = "9"
    & skf18("8","10","5","1","7","2","1") = "9"
    & skf18("8","10","5","1","7","3","1") = "9"
    & skf18("8","10","5","1","7","4","1") = "9"
    & skf18("8","10","5","1","7","5","1") = "9"
    & skf18("8","10","5","1","7","6","1") = "9"
    & skf18("8","10","5","1","7","7","1") = "9"
    & skf18("8","10","5","1","7","8","1") = "9"
    & skf18("8","10","5","1","7","9","1") = "9"
    & skf18("8","10","5","1","7","10","1") = "9"
    & skf18("8","10","5","1","8","1","1") = "9"
    & skf18("8","10","5","1","8","2","1") = "9"
    & skf18("8","10","5","1","8","3","1") = "9"
    & skf18("8","10","5","1","8","4","1") = "9"
    & skf18("8","10","5","1","8","5","1") = "9"
    & skf18("8","10","5","1","8","6","1") = "9"
    & skf18("8","10","5","1","8","7","1") = "9"
    & skf18("8","10","5","1","8","8","1") = "9"
    & skf18("8","10","5","1","8","9","1") = "9"
    & skf18("8","10","5","1","8","10","1") = "9"
    & skf18("8","10","5","1","9","1","1") = "9"
    & skf18("8","10","5","1","9","2","1") = "9"
    & skf18("8","10","5","1","9","3","1") = "9"
    & skf18("8","10","5","1","9","4","1") = "9"
    & skf18("8","10","5","1","9","5","1") = "9"
    & skf18("8","10","5","1","9","6","1") = "9"
    & skf18("8","10","5","1","9","7","1") = "9"
    & skf18("8","10","5","1","9","8","1") = "9"
    & skf18("8","10","5","1","9","9","1") = "9"
    & skf18("8","10","5","1","9","10","1") = "9"
    & skf18("8","10","5","1","10","1","1") = "9"
    & skf18("8","10","5","1","10","2","1") = "9"
    & skf18("8","10","5","1","10","3","1") = "9"
    & skf18("8","10","5","1","10","4","1") = "9"
    & skf18("8","10","5","1","10","5","1") = "9"
    & skf18("8","10","5","1","10","6","1") = "9"
    & skf18("8","10","5","1","10","7","1") = "9"
    & skf18("8","10","5","1","10","8","1") = "9"
    & skf18("8","10","5","1","10","9","1") = "9"
    & skf18("8","10","5","1","10","10","1") = "9"
    & skf18("8","10","5","2","1","1","1") = "9"
    & skf18("8","10","5","2","1","2","1") = "9"
    & skf18("8","10","5","2","1","3","1") = "9"
    & skf18("8","10","5","2","1","4","1") = "9"
    & skf18("8","10","5","2","1","5","1") = "9"
    & skf18("8","10","5","2","1","6","1") = "9"
    & skf18("8","10","5","2","1","7","1") = "9"
    & skf18("8","10","5","2","1","8","1") = "9"
    & skf18("8","10","5","2","1","9","1") = "9"
    & skf18("8","10","5","2","1","10","1") = "9"
    & skf18("8","10","5","2","2","1","1") = "9"
    & skf18("8","10","5","2","2","2","1") = "9"
    & skf18("8","10","5","2","2","3","1") = "9"
    & skf18("8","10","5","2","2","4","1") = "9"
    & skf18("8","10","5","2","2","5","1") = "9"
    & skf18("8","10","5","2","2","6","1") = "9"
    & skf18("8","10","5","2","2","7","1") = "9"
    & skf18("8","10","5","2","2","8","1") = "9"
    & skf18("8","10","5","2","2","9","1") = "9"
    & skf18("8","10","5","2","2","10","1") = "9"
    & skf18("8","10","5","2","3","1","1") = "9"
    & skf18("8","10","5","2","3","2","1") = "9"
    & skf18("8","10","5","2","3","3","1") = "9"
    & skf18("8","10","5","2","3","4","1") = "9"
    & skf18("8","10","5","2","3","5","1") = "9"
    & skf18("8","10","5","2","3","6","1") = "9"
    & skf18("8","10","5","2","3","7","1") = "9"
    & skf18("8","10","5","2","3","8","1") = "9"
    & skf18("8","10","5","2","3","9","1") = "9"
    & skf18("8","10","5","2","3","10","1") = "9"
    & skf18("8","10","5","2","4","1","1") = "9"
    & skf18("8","10","5","2","4","2","1") = "9"
    & skf18("8","10","5","2","4","3","1") = "9"
    & skf18("8","10","5","2","4","4","1") = "9"
    & skf18("8","10","5","2","4","5","1") = "9"
    & skf18("8","10","5","2","4","6","1") = "9"
    & skf18("8","10","5","2","4","7","1") = "9"
    & skf18("8","10","5","2","4","8","1") = "9"
    & skf18("8","10","5","2","4","9","1") = "9"
    & skf18("8","10","5","2","4","10","1") = "9"
    & skf18("8","10","5","2","5","1","1") = "9"
    & skf18("8","10","5","2","5","2","1") = "9"
    & skf18("8","10","5","2","5","3","1") = "9"
    & skf18("8","10","5","2","5","4","1") = "9"
    & skf18("8","10","5","2","5","5","1") = "9"
    & skf18("8","10","5","2","5","6","1") = "9"
    & skf18("8","10","5","2","5","7","1") = "9"
    & skf18("8","10","5","2","5","8","1") = "9"
    & skf18("8","10","5","2","5","9","1") = "9"
    & skf18("8","10","5","2","5","10","1") = "9"
    & skf18("8","10","5","2","6","1","1") = "9"
    & skf18("8","10","5","2","6","2","1") = "9"
    & skf18("8","10","5","2","6","3","1") = "9"
    & skf18("8","10","5","2","6","4","1") = "9"
    & skf18("8","10","5","2","6","5","1") = "9"
    & skf18("8","10","5","2","6","6","1") = "9"
    & skf18("8","10","5","2","6","7","1") = "9"
    & skf18("8","10","5","2","6","8","1") = "9"
    & skf18("8","10","5","2","6","9","1") = "9"
    & skf18("8","10","5","2","6","10","1") = "9"
    & skf18("8","10","5","2","7","1","1") = "9"
    & skf18("8","10","5","2","7","2","1") = "9"
    & skf18("8","10","5","2","7","3","1") = "9"
    & skf18("8","10","5","2","7","4","1") = "9"
    & skf18("8","10","5","2","7","5","1") = "9"
    & skf18("8","10","5","2","7","6","1") = "9"
    & skf18("8","10","5","2","7","7","1") = "9"
    & skf18("8","10","5","2","7","8","1") = "9"
    & skf18("8","10","5","2","7","9","1") = "9"
    & skf18("8","10","5","2","7","10","1") = "9"
    & skf18("8","10","5","2","8","1","1") = "9"
    & skf18("8","10","5","2","8","2","1") = "9"
    & skf18("8","10","5","2","8","3","1") = "9"
    & skf18("8","10","5","2","8","4","1") = "9"
    & skf18("8","10","5","2","8","5","1") = "9"
    & skf18("8","10","5","2","8","6","1") = "9"
    & skf18("8","10","5","2","8","7","1") = "9"
    & skf18("8","10","5","2","8","8","1") = "9"
    & skf18("8","10","5","2","8","9","1") = "9"
    & skf18("8","10","5","2","8","10","1") = "9"
    & skf18("8","10","5","2","9","1","1") = "9"
    & skf18("8","10","5","2","9","2","1") = "9"
    & skf18("8","10","5","2","9","3","1") = "9"
    & skf18("8","10","5","2","9","4","1") = "9"
    & skf18("8","10","5","2","9","5","1") = "9"
    & skf18("8","10","5","2","9","6","1") = "9"
    & skf18("8","10","5","2","9","7","1") = "9"
    & skf18("8","10","5","2","9","8","1") = "9"
    & skf18("8","10","5","2","9","9","1") = "9"
    & skf18("8","10","5","2","9","10","1") = "9"
    & skf18("8","10","5","2","10","1","1") = "9"
    & skf18("8","10","5","2","10","2","1") = "9"
    & skf18("8","10","5","2","10","3","1") = "9"
    & skf18("8","10","5","2","10","4","1") = "9"
    & skf18("8","10","5","2","10","5","1") = "9"
    & skf18("8","10","5","2","10","6","1") = "9"
    & skf18("8","10","5","2","10","7","1") = "9"
    & skf18("8","10","5","2","10","8","1") = "9"
    & skf18("8","10","5","2","10","9","1") = "9"
    & skf18("8","10","5","2","10","10","1") = "9"
    & skf18("8","10","5","3","1","1","1") = "9"
    & skf18("8","10","5","3","1","2","1") = "9"
    & skf18("8","10","5","3","1","3","1") = "9"
    & skf18("8","10","5","3","1","4","1") = "9"
    & skf18("8","10","5","3","1","5","1") = "9"
    & skf18("8","10","5","3","1","6","1") = "9"
    & skf18("8","10","5","3","1","7","1") = "9"
    & skf18("8","10","5","3","1","8","1") = "9"
    & skf18("8","10","5","3","1","9","1") = "9"
    & skf18("8","10","5","3","1","10","1") = "9"
    & skf18("8","10","5","3","2","1","1") = "9"
    & skf18("8","10","5","3","2","2","1") = "9"
    & skf18("8","10","5","3","2","3","1") = "9"
    & skf18("8","10","5","3","2","4","1") = "9"
    & skf18("8","10","5","3","2","5","1") = "9"
    & skf18("8","10","5","3","2","6","1") = "9"
    & skf18("8","10","5","3","2","7","1") = "9"
    & skf18("8","10","5","3","2","8","1") = "9"
    & skf18("8","10","5","3","2","9","1") = "9"
    & skf18("8","10","5","3","2","10","1") = "9"
    & skf18("8","10","5","3","3","1","1") = "9"
    & skf18("8","10","5","3","3","2","1") = "9"
    & skf18("8","10","5","3","3","3","1") = "9"
    & skf18("8","10","5","3","3","4","1") = "9"
    & skf18("8","10","5","3","3","5","1") = "9"
    & skf18("8","10","5","3","3","6","1") = "9"
    & skf18("8","10","5","3","3","7","1") = "9"
    & skf18("8","10","5","3","3","8","1") = "9"
    & skf18("8","10","5","3","3","9","1") = "9"
    & skf18("8","10","5","3","3","10","1") = "9"
    & skf18("8","10","5","3","4","1","1") = "9"
    & skf18("8","10","5","3","4","2","1") = "9"
    & skf18("8","10","5","3","4","3","1") = "9"
    & skf18("8","10","5","3","4","4","1") = "9"
    & skf18("8","10","5","3","4","5","1") = "9"
    & skf18("8","10","5","3","4","6","1") = "9"
    & skf18("8","10","5","3","4","7","1") = "9"
    & skf18("8","10","5","3","4","8","1") = "9"
    & skf18("8","10","5","3","4","9","1") = "9"
    & skf18("8","10","5","3","4","10","1") = "9"
    & skf18("8","10","5","3","5","1","1") = "9"
    & skf18("8","10","5","3","5","2","1") = "9"
    & skf18("8","10","5","3","5","3","1") = "9"
    & skf18("8","10","5","3","5","4","1") = "9"
    & skf18("8","10","5","3","5","5","1") = "9"
    & skf18("8","10","5","3","5","6","1") = "9"
    & skf18("8","10","5","3","5","7","1") = "9"
    & skf18("8","10","5","3","5","8","1") = "9"
    & skf18("8","10","5","3","5","9","1") = "9"
    & skf18("8","10","5","3","5","10","1") = "9"
    & skf18("8","10","5","3","6","1","1") = "9"
    & skf18("8","10","5","3","6","2","1") = "9"
    & skf18("8","10","5","3","6","3","1") = "9"
    & skf18("8","10","5","3","6","4","1") = "9"
    & skf18("8","10","5","3","6","5","1") = "9"
    & skf18("8","10","5","3","6","6","1") = "9"
    & skf18("8","10","5","3","6","7","1") = "9"
    & skf18("8","10","5","3","6","8","1") = "9"
    & skf18("8","10","5","3","6","9","1") = "9"
    & skf18("8","10","5","3","6","10","1") = "9"
    & skf18("8","10","5","3","7","1","1") = "9"
    & skf18("8","10","5","3","7","2","1") = "9"
    & skf18("8","10","5","3","7","3","1") = "9"
    & skf18("8","10","5","3","7","4","1") = "9"
    & skf18("8","10","5","3","7","5","1") = "9"
    & skf18("8","10","5","3","7","6","1") = "9"
    & skf18("8","10","5","3","7","7","1") = "9"
    & skf18("8","10","5","3","7","8","1") = "9"
    & skf18("8","10","5","3","7","9","1") = "9"
    & skf18("8","10","5","3","7","10","1") = "9"
    & skf18("8","10","5","3","8","1","1") = "9"
    & skf18("8","10","5","3","8","2","1") = "9"
    & skf18("8","10","5","3","8","3","1") = "9"
    & skf18("8","10","5","3","8","4","1") = "9"
    & skf18("8","10","5","3","8","5","1") = "9"
    & skf18("8","10","5","3","8","6","1") = "9"
    & skf18("8","10","5","3","8","7","1") = "9"
    & skf18("8","10","5","3","8","8","1") = "9"
    & skf18("8","10","5","3","8","9","1") = "9"
    & skf18("8","10","5","3","8","10","1") = "9"
    & skf18("8","10","5","3","9","1","1") = "9"
    & skf18("8","10","5","3","9","2","1") = "9"
    & skf18("8","10","5","3","9","3","1") = "9"
    & skf18("8","10","5","3","9","4","1") = "9"
    & skf18("8","10","5","3","9","5","1") = "9"
    & skf18("8","10","5","3","9","6","1") = "9"
    & skf18("8","10","5","3","9","7","1") = "9"
    & skf18("8","10","5","3","9","8","1") = "9"
    & skf18("8","10","5","3","9","9","1") = "9"
    & skf18("8","10","5","3","9","10","1") = "9"
    & skf18("8","10","5","3","10","1","1") = "9"
    & skf18("8","10","5","3","10","2","1") = "9"
    & skf18("8","10","5","3","10","3","1") = "9"
    & skf18("8","10","5","3","10","4","1") = "9"
    & skf18("8","10","5","3","10","5","1") = "9"
    & skf18("8","10","5","3","10","6","1") = "9"
    & skf18("8","10","5","3","10","7","1") = "9"
    & skf18("8","10","5","3","10","8","1") = "9"
    & skf18("8","10","5","3","10","9","1") = "9"
    & skf18("8","10","5","3","10","10","1") = "9"
    & skf18("8","10","5","4","1","1","1") = "9"
    & skf18("8","10","5","4","1","2","1") = "9"
    & skf18("8","10","5","4","1","3","1") = "9"
    & skf18("8","10","5","4","1","4","1") = "9"
    & skf18("8","10","5","4","1","5","1") = "9"
    & skf18("8","10","5","4","1","6","1") = "9"
    & skf18("8","10","5","4","1","7","1") = "9"
    & skf18("8","10","5","4","1","8","1") = "9"
    & skf18("8","10","5","4","1","9","1") = "9"
    & skf18("8","10","5","4","1","10","1") = "9"
    & skf18("8","10","5","4","2","1","1") = "9"
    & skf18("8","10","5","4","2","2","1") = "9"
    & skf18("8","10","5","4","2","3","1") = "9"
    & skf18("8","10","5","4","2","4","1") = "9"
    & skf18("8","10","5","4","2","5","1") = "9"
    & skf18("8","10","5","4","2","6","1") = "9"
    & skf18("8","10","5","4","2","7","1") = "9"
    & skf18("8","10","5","4","2","8","1") = "9"
    & skf18("8","10","5","4","2","9","1") = "9"
    & skf18("8","10","5","4","2","10","1") = "9"
    & skf18("8","10","5","4","3","1","1") = "9"
    & skf18("8","10","5","4","3","2","1") = "9"
    & skf18("8","10","5","4","3","3","1") = "9"
    & skf18("8","10","5","4","3","4","1") = "9"
    & skf18("8","10","5","4","3","5","1") = "9"
    & skf18("8","10","5","4","3","6","1") = "9"
    & skf18("8","10","5","4","3","7","1") = "9"
    & skf18("8","10","5","4","3","8","1") = "9"
    & skf18("8","10","5","4","3","9","1") = "9"
    & skf18("8","10","5","4","3","10","1") = "9"
    & skf18("8","10","5","4","4","1","1") = "9"
    & skf18("8","10","5","4","4","2","1") = "9"
    & skf18("8","10","5","4","4","3","1") = "9"
    & skf18("8","10","5","4","4","4","1") = "9"
    & skf18("8","10","5","4","4","5","1") = "9"
    & skf18("8","10","5","4","4","6","1") = "9"
    & skf18("8","10","5","4","4","7","1") = "9"
    & skf18("8","10","5","4","4","8","1") = "9"
    & skf18("8","10","5","4","4","9","1") = "9"
    & skf18("8","10","5","4","4","10","1") = "9"
    & skf18("8","10","5","4","5","1","1") = "9"
    & skf18("8","10","5","4","5","2","1") = "9"
    & skf18("8","10","5","4","5","3","1") = "9"
    & skf18("8","10","5","4","5","4","1") = "9"
    & skf18("8","10","5","4","5","5","1") = "9"
    & skf18("8","10","5","4","5","6","1") = "9"
    & skf18("8","10","5","4","5","7","1") = "9"
    & skf18("8","10","5","4","5","8","1") = "9"
    & skf18("8","10","5","4","5","9","1") = "9"
    & skf18("8","10","5","4","5","10","1") = "9"
    & skf18("8","10","5","4","6","1","1") = "9"
    & skf18("8","10","5","4","6","2","1") = "9"
    & skf18("8","10","5","4","6","3","1") = "9"
    & skf18("8","10","5","4","6","4","1") = "9"
    & skf18("8","10","5","4","6","5","1") = "9"
    & skf18("8","10","5","4","6","6","1") = "9"
    & skf18("8","10","5","4","6","7","1") = "9"
    & skf18("8","10","5","4","6","8","1") = "9"
    & skf18("8","10","5","4","6","9","1") = "9"
    & skf18("8","10","5","4","6","10","1") = "9"
    & skf18("8","10","5","4","7","1","1") = "9"
    & skf18("8","10","5","4","7","2","1") = "9"
    & skf18("8","10","5","4","7","3","1") = "9"
    & skf18("8","10","5","4","7","4","1") = "9"
    & skf18("8","10","5","4","7","5","1") = "9"
    & skf18("8","10","5","4","7","6","1") = "9"
    & skf18("8","10","5","4","7","7","1") = "9"
    & skf18("8","10","5","4","7","8","1") = "9"
    & skf18("8","10","5","4","7","9","1") = "9"
    & skf18("8","10","5","4","7","10","1") = "9"
    & skf18("8","10","5","4","8","1","1") = "9"
    & skf18("8","10","5","4","8","2","1") = "9"
    & skf18("8","10","5","4","8","3","1") = "9"
    & skf18("8","10","5","4","8","4","1") = "9"
    & skf18("8","10","5","4","8","5","1") = "9"
    & skf18("8","10","5","4","8","6","1") = "9"
    & skf18("8","10","5","4","8","7","1") = "9"
    & skf18("8","10","5","4","8","8","1") = "9"
    & skf18("8","10","5","4","8","9","1") = "9"
    & skf18("8","10","5","4","8","10","1") = "9"
    & skf18("8","10","5","4","9","1","1") = "9"
    & skf18("8","10","5","4","9","2","1") = "9"
    & skf18("8","10","5","4","9","3","1") = "9"
    & skf18("8","10","5","4","9","4","1") = "9"
    & skf18("8","10","5","4","9","5","1") = "9"
    & skf18("8","10","5","4","9","6","1") = "9"
    & skf18("8","10","5","4","9","7","1") = "9"
    & skf18("8","10","5","4","9","8","1") = "9"
    & skf18("8","10","5","4","9","9","1") = "9"
    & skf18("8","10","5","4","9","10","1") = "9"
    & skf18("8","10","5","4","10","1","1") = "9"
    & skf18("8","10","5","4","10","2","1") = "9"
    & skf18("8","10","5","4","10","3","1") = "9"
    & skf18("8","10","5","4","10","4","1") = "9"
    & skf18("8","10","5","4","10","5","1") = "9"
    & skf18("8","10","5","4","10","6","1") = "9"
    & skf18("8","10","5","4","10","7","1") = "9"
    & skf18("8","10","5","4","10","8","1") = "9"
    & skf18("8","10","5","4","10","9","1") = "9"
    & skf18("8","10","5","4","10","10","1") = "9"
    & skf18("8","10","5","5","1","1","1") = "9"
    & skf18("8","10","5","5","1","2","1") = "9"
    & skf18("8","10","5","5","1","3","1") = "9"
    & skf18("8","10","5","5","1","4","1") = "9"
    & skf18("8","10","5","5","1","5","1") = "9"
    & skf18("8","10","5","5","1","6","1") = "9"
    & skf18("8","10","5","5","1","7","1") = "9"
    & skf18("8","10","5","5","1","8","1") = "9"
    & skf18("8","10","5","5","1","9","1") = "9"
    & skf18("8","10","5","5","1","10","1") = "9"
    & skf18("8","10","5","5","2","1","1") = "9"
    & skf18("8","10","5","5","2","2","1") = "9"
    & skf18("8","10","5","5","2","3","1") = "9"
    & skf18("8","10","5","5","2","4","1") = "9"
    & skf18("8","10","5","5","2","5","1") = "9"
    & skf18("8","10","5","5","2","6","1") = "9"
    & skf18("8","10","5","5","2","7","1") = "9"
    & skf18("8","10","5","5","2","8","1") = "9"
    & skf18("8","10","5","5","2","9","1") = "9"
    & skf18("8","10","5","5","2","10","1") = "9"
    & skf18("8","10","5","5","3","1","1") = "9"
    & skf18("8","10","5","5","3","2","1") = "9"
    & skf18("8","10","5","5","3","3","1") = "9"
    & skf18("8","10","5","5","3","4","1") = "9"
    & skf18("8","10","5","5","3","5","1") = "9"
    & skf18("8","10","5","5","3","6","1") = "9"
    & skf18("8","10","5","5","3","7","1") = "9"
    & skf18("8","10","5","5","3","8","1") = "9"
    & skf18("8","10","5","5","3","9","1") = "9"
    & skf18("8","10","5","5","3","10","1") = "9"
    & skf18("8","10","5","5","4","1","1") = "9"
    & skf18("8","10","5","5","4","2","1") = "9"
    & skf18("8","10","5","5","4","3","1") = "9"
    & skf18("8","10","5","5","4","4","1") = "9"
    & skf18("8","10","5","5","4","5","1") = "9"
    & skf18("8","10","5","5","4","6","1") = "9"
    & skf18("8","10","5","5","4","7","1") = "9"
    & skf18("8","10","5","5","4","8","1") = "9"
    & skf18("8","10","5","5","4","9","1") = "9"
    & skf18("8","10","5","5","4","10","1") = "9"
    & skf18("8","10","5","5","5","1","1") = "9"
    & skf18("8","10","5","5","5","2","1") = "9"
    & skf18("8","10","5","5","5","3","1") = "9"
    & skf18("8","10","5","5","5","4","1") = "9"
    & skf18("8","10","5","5","5","5","1") = "9"
    & skf18("8","10","5","5","5","6","1") = "9"
    & skf18("8","10","5","5","5","7","1") = "9"
    & skf18("8","10","5","5","5","8","1") = "9"
    & skf18("8","10","5","5","5","9","1") = "9"
    & skf18("8","10","5","5","5","10","1") = "9"
    & skf18("8","10","5","5","6","1","1") = "9"
    & skf18("8","10","5","5","6","2","1") = "9"
    & skf18("8","10","5","5","6","3","1") = "9"
    & skf18("8","10","5","5","6","4","1") = "9"
    & skf18("8","10","5","5","6","5","1") = "9"
    & skf18("8","10","5","5","6","6","1") = "9"
    & skf18("8","10","5","5","6","7","1") = "9"
    & skf18("8","10","5","5","6","8","1") = "9"
    & skf18("8","10","5","5","6","9","1") = "9"
    & skf18("8","10","5","5","6","10","1") = "9"
    & skf18("8","10","5","5","7","1","1") = "9"
    & skf18("8","10","5","5","7","2","1") = "9"
    & skf18("8","10","5","5","7","3","1") = "9"
    & skf18("8","10","5","5","7","4","1") = "9"
    & skf18("8","10","5","5","7","5","1") = "9"
    & skf18("8","10","5","5","7","6","1") = "9"
    & skf18("8","10","5","5","7","7","1") = "9"
    & skf18("8","10","5","5","7","8","1") = "9"
    & skf18("8","10","5","5","7","9","1") = "9"
    & skf18("8","10","5","5","7","10","1") = "9"
    & skf18("8","10","5","5","8","1","1") = "9"
    & skf18("8","10","5","5","8","2","1") = "9"
    & skf18("8","10","5","5","8","3","1") = "9"
    & skf18("8","10","5","5","8","4","1") = "9"
    & skf18("8","10","5","5","8","5","1") = "9"
    & skf18("8","10","5","5","8","6","1") = "9"
    & skf18("8","10","5","5","8","7","1") = "9"
    & skf18("8","10","5","5","8","8","1") = "9"
    & skf18("8","10","5","5","8","9","1") = "9"
    & skf18("8","10","5","5","8","10","1") = "9"
    & skf18("8","10","5","5","9","1","1") = "9"
    & skf18("8","10","5","5","9","2","1") = "9"
    & skf18("8","10","5","5","9","3","1") = "9"
    & skf18("8","10","5","5","9","4","1") = "9"
    & skf18("8","10","5","5","9","5","1") = "9"
    & skf18("8","10","5","5","9","6","1") = "9"
    & skf18("8","10","5","5","9","7","1") = "9"
    & skf18("8","10","5","5","9","8","1") = "9"
    & skf18("8","10","5","5","9","9","1") = "9"
    & skf18("8","10","5","5","9","10","1") = "9"
    & skf18("8","10","5","5","10","1","1") = "9"
    & skf18("8","10","5","5","10","2","1") = "9"
    & skf18("8","10","5","5","10","3","1") = "9"
    & skf18("8","10","5","5","10","4","1") = "9"
    & skf18("8","10","5","5","10","5","1") = "9"
    & skf18("8","10","5","5","10","6","1") = "9"
    & skf18("8","10","5","5","10","7","1") = "9"
    & skf18("8","10","5","5","10","8","1") = "9"
    & skf18("8","10","5","5","10","9","1") = "9"
    & skf18("8","10","5","5","10","10","1") = "9"
    & skf18("8","10","5","6","1","1","1") = "9"
    & skf18("8","10","5","6","1","2","1") = "9"
    & skf18("8","10","5","6","1","3","1") = "9"
    & skf18("8","10","5","6","1","4","1") = "9"
    & skf18("8","10","5","6","1","5","1") = "9"
    & skf18("8","10","5","6","1","6","1") = "9"
    & skf18("8","10","5","6","1","7","1") = "9"
    & skf18("8","10","5","6","1","8","1") = "9"
    & skf18("8","10","5","6","1","9","1") = "9"
    & skf18("8","10","5","6","1","10","1") = "9"
    & skf18("8","10","5","6","2","1","1") = "9"
    & skf18("8","10","5","6","2","2","1") = "9"
    & skf18("8","10","5","6","2","3","1") = "9"
    & skf18("8","10","5","6","2","4","1") = "9"
    & skf18("8","10","5","6","2","5","1") = "9"
    & skf18("8","10","5","6","2","6","1") = "9"
    & skf18("8","10","5","6","2","7","1") = "9"
    & skf18("8","10","5","6","2","8","1") = "9"
    & skf18("8","10","5","6","2","9","1") = "9"
    & skf18("8","10","5","6","2","10","1") = "9"
    & skf18("8","10","5","6","3","1","1") = "9"
    & skf18("8","10","5","6","3","2","1") = "9"
    & skf18("8","10","5","6","3","3","1") = "9"
    & skf18("8","10","5","6","3","4","1") = "9"
    & skf18("8","10","5","6","3","5","1") = "9"
    & skf18("8","10","5","6","3","6","1") = "9"
    & skf18("8","10","5","6","3","7","1") = "9"
    & skf18("8","10","5","6","3","8","1") = "9"
    & skf18("8","10","5","6","3","9","1") = "9"
    & skf18("8","10","5","6","3","10","1") = "9"
    & skf18("8","10","5","6","4","1","1") = "9"
    & skf18("8","10","5","6","4","2","1") = "9"
    & skf18("8","10","5","6","4","3","1") = "9"
    & skf18("8","10","5","6","4","4","1") = "9"
    & skf18("8","10","5","6","4","5","1") = "9"
    & skf18("8","10","5","6","4","6","1") = "9"
    & skf18("8","10","5","6","4","7","1") = "9"
    & skf18("8","10","5","6","4","8","1") = "9"
    & skf18("8","10","5","6","4","9","1") = "9"
    & skf18("8","10","5","6","4","10","1") = "9"
    & skf18("8","10","5","6","5","1","1") = "9"
    & skf18("8","10","5","6","5","2","1") = "9"
    & skf18("8","10","5","6","5","3","1") = "9"
    & skf18("8","10","5","6","5","4","1") = "9"
    & skf18("8","10","5","6","5","5","1") = "9"
    & skf18("8","10","5","6","5","6","1") = "9"
    & skf18("8","10","5","6","5","7","1") = "9"
    & skf18("8","10","5","6","5","8","1") = "9"
    & skf18("8","10","5","6","5","9","1") = "9"
    & skf18("8","10","5","6","5","10","1") = "9"
    & skf18("8","10","5","6","6","1","1") = "9"
    & skf18("8","10","5","6","6","2","1") = "9"
    & skf18("8","10","5","6","6","3","1") = "9"
    & skf18("8","10","5","6","6","4","1") = "9"
    & skf18("8","10","5","6","6","5","1") = "9"
    & skf18("8","10","5","6","6","6","1") = "9"
    & skf18("8","10","5","6","6","7","1") = "9"
    & skf18("8","10","5","6","6","8","1") = "9"
    & skf18("8","10","5","6","6","9","1") = "9"
    & skf18("8","10","5","6","6","10","1") = "9"
    & skf18("8","10","5","6","7","1","1") = "9"
    & skf18("8","10","5","6","7","2","1") = "9"
    & skf18("8","10","5","6","7","3","1") = "9"
    & skf18("8","10","5","6","7","4","1") = "9"
    & skf18("8","10","5","6","7","5","1") = "9"
    & skf18("8","10","5","6","7","6","1") = "9"
    & skf18("8","10","5","6","7","7","1") = "9"
    & skf18("8","10","5","6","7","8","1") = "9"
    & skf18("8","10","5","6","7","9","1") = "9"
    & skf18("8","10","5","6","7","10","1") = "9"
    & skf18("8","10","5","6","8","1","1") = "9"
    & skf18("8","10","5","6","8","2","1") = "9"
    & skf18("8","10","5","6","8","3","1") = "9"
    & skf18("8","10","5","6","8","4","1") = "9"
    & skf18("8","10","5","6","8","5","1") = "9"
    & skf18("8","10","5","6","8","6","1") = "9"
    & skf18("8","10","5","6","8","7","1") = "9"
    & skf18("8","10","5","6","8","8","1") = "9"
    & skf18("8","10","5","6","8","9","1") = "9"
    & skf18("8","10","5","6","8","10","1") = "9"
    & skf18("8","10","5","6","9","1","1") = "9"
    & skf18("8","10","5","6","9","2","1") = "9"
    & skf18("8","10","5","6","9","3","1") = "9"
    & skf18("8","10","5","6","9","4","1") = "9"
    & skf18("8","10","5","6","9","5","1") = "9"
    & skf18("8","10","5","6","9","6","1") = "9"
    & skf18("8","10","5","6","9","7","1") = "9"
    & skf18("8","10","5","6","9","8","1") = "9"
    & skf18("8","10","5","6","9","9","1") = "9"
    & skf18("8","10","5","6","9","10","1") = "9"
    & skf18("8","10","5","6","10","1","1") = "9"
    & skf18("8","10","5","6","10","2","1") = "9"
    & skf18("8","10","5","6","10","3","1") = "9"
    & skf18("8","10","5","6","10","4","1") = "9"
    & skf18("8","10","5","6","10","5","1") = "9"
    & skf18("8","10","5","6","10","6","1") = "9"
    & skf18("8","10","5","6","10","7","1") = "9"
    & skf18("8","10","5","6","10","8","1") = "9"
    & skf18("8","10","5","6","10","9","1") = "9"
    & skf18("8","10","5","6","10","10","1") = "9"
    & skf18("8","10","5","7","1","1","1") = "9"
    & skf18("8","10","5","7","1","2","1") = "9"
    & skf18("8","10","5","7","1","3","1") = "9"
    & skf18("8","10","5","7","1","4","1") = "9"
    & skf18("8","10","5","7","1","5","1") = "9"
    & skf18("8","10","5","7","1","6","1") = "9"
    & skf18("8","10","5","7","1","7","1") = "9"
    & skf18("8","10","5","7","1","8","1") = "9"
    & skf18("8","10","5","7","1","9","1") = "9"
    & skf18("8","10","5","7","1","10","1") = "9"
    & skf18("8","10","5","7","2","1","1") = "9"
    & skf18("8","10","5","7","2","2","1") = "9"
    & skf18("8","10","5","7","2","3","1") = "9"
    & skf18("8","10","5","7","2","4","1") = "9"
    & skf18("8","10","5","7","2","5","1") = "9"
    & skf18("8","10","5","7","2","6","1") = "9"
    & skf18("8","10","5","7","2","7","1") = "9"
    & skf18("8","10","5","7","2","8","1") = "9"
    & skf18("8","10","5","7","2","9","1") = "9"
    & skf18("8","10","5","7","2","10","1") = "9"
    & skf18("8","10","5","7","3","1","1") = "9"
    & skf18("8","10","5","7","3","2","1") = "9"
    & skf18("8","10","5","7","3","3","1") = "9"
    & skf18("8","10","5","7","3","4","1") = "9"
    & skf18("8","10","5","7","3","5","1") = "9"
    & skf18("8","10","5","7","3","6","1") = "9"
    & skf18("8","10","5","7","3","7","1") = "9"
    & skf18("8","10","5","7","3","8","1") = "9"
    & skf18("8","10","5","7","3","9","1") = "9"
    & skf18("8","10","5","7","3","10","1") = "9"
    & skf18("8","10","5","7","4","1","1") = "9"
    & skf18("8","10","5","7","4","2","1") = "9"
    & skf18("8","10","5","7","4","3","1") = "9"
    & skf18("8","10","5","7","4","4","1") = "9"
    & skf18("8","10","5","7","4","5","1") = "9"
    & skf18("8","10","5","7","4","6","1") = "9"
    & skf18("8","10","5","7","4","7","1") = "9"
    & skf18("8","10","5","7","4","8","1") = "9"
    & skf18("8","10","5","7","4","9","1") = "9"
    & skf18("8","10","5","7","4","10","1") = "9"
    & skf18("8","10","5","7","5","1","1") = "9"
    & skf18("8","10","5","7","5","2","1") = "9"
    & skf18("8","10","5","7","5","3","1") = "9"
    & skf18("8","10","5","7","5","4","1") = "9"
    & skf18("8","10","5","7","5","5","1") = "9"
    & skf18("8","10","5","7","5","6","1") = "9"
    & skf18("8","10","5","7","5","7","1") = "9"
    & skf18("8","10","5","7","5","8","1") = "9"
    & skf18("8","10","5","7","5","9","1") = "9"
    & skf18("8","10","5","7","5","10","1") = "9"
    & skf18("8","10","5","7","6","1","1") = "9"
    & skf18("8","10","5","7","6","2","1") = "9"
    & skf18("8","10","5","7","6","3","1") = "9"
    & skf18("8","10","5","7","6","4","1") = "9"
    & skf18("8","10","5","7","6","5","1") = "9"
    & skf18("8","10","5","7","6","6","1") = "9"
    & skf18("8","10","5","7","6","7","1") = "9"
    & skf18("8","10","5","7","6","8","1") = "9"
    & skf18("8","10","5","7","6","9","1") = "9"
    & skf18("8","10","5","7","6","10","1") = "9"
    & skf18("8","10","5","7","7","1","1") = "9"
    & skf18("8","10","5","7","7","2","1") = "9"
    & skf18("8","10","5","7","7","3","1") = "9"
    & skf18("8","10","5","7","7","4","1") = "9"
    & skf18("8","10","5","7","7","5","1") = "9"
    & skf18("8","10","5","7","7","6","1") = "9"
    & skf18("8","10","5","7","7","7","1") = "9"
    & skf18("8","10","5","7","7","8","1") = "9"
    & skf18("8","10","5","7","7","9","1") = "9"
    & skf18("8","10","5","7","7","10","1") = "9"
    & skf18("8","10","5","7","8","1","1") = "9"
    & skf18("8","10","5","7","8","2","1") = "9"
    & skf18("8","10","5","7","8","3","1") = "9"
    & skf18("8","10","5","7","8","4","1") = "9"
    & skf18("8","10","5","7","8","5","1") = "9"
    & skf18("8","10","5","7","8","6","1") = "9"
    & skf18("8","10","5","7","8","7","1") = "9"
    & skf18("8","10","5","7","8","8","1") = "9"
    & skf18("8","10","5","7","8","9","1") = "9"
    & skf18("8","10","5","7","8","10","1") = "9"
    & skf18("8","10","5","7","9","1","1") = "9"
    & skf18("8","10","5","7","9","2","1") = "9"
    & skf18("8","10","5","7","9","3","1") = "9"
    & skf18("8","10","5","7","9","4","1") = "9"
    & skf18("8","10","5","7","9","5","1") = "9"
    & skf18("8","10","5","7","9","6","1") = "9"
    & skf18("8","10","5","7","9","7","1") = "9"
    & skf18("8","10","5","7","9","8","1") = "9"
    & skf18("8","10","5","7","9","9","1") = "9"
    & skf18("8","10","5","7","9","10","1") = "9"
    & skf18("8","10","5","7","10","1","1") = "9"
    & skf18("8","10","5","7","10","2","1") = "9"
    & skf18("8","10","5","7","10","3","1") = "9"
    & skf18("8","10","5","7","10","4","1") = "9"
    & skf18("8","10","5","7","10","5","1") = "9"
    & skf18("8","10","5","7","10","6","1") = "9"
    & skf18("8","10","5","7","10","7","1") = "9"
    & skf18("8","10","5","7","10","8","1") = "9"
    & skf18("8","10","5","7","10","9","1") = "9"
    & skf18("8","10","5","7","10","10","1") = "9"
    & skf18("8","10","5","8","1","1","1") = "9"
    & skf18("8","10","5","8","1","2","1") = "9"
    & skf18("8","10","5","8","1","3","1") = "9"
    & skf18("8","10","5","8","1","4","1") = "9"
    & skf18("8","10","5","8","1","5","1") = "9"
    & skf18("8","10","5","8","1","6","1") = "9"
    & skf18("8","10","5","8","1","7","1") = "9"
    & skf18("8","10","5","8","1","8","1") = "9"
    & skf18("8","10","5","8","1","9","1") = "9"
    & skf18("8","10","5","8","1","10","1") = "9"
    & skf18("8","10","5","8","2","1","1") = "9"
    & skf18("8","10","5","8","2","2","1") = "9"
    & skf18("8","10","5","8","2","3","1") = "9"
    & skf18("8","10","5","8","2","4","1") = "9"
    & skf18("8","10","5","8","2","5","1") = "9"
    & skf18("8","10","5","8","2","6","1") = "9"
    & skf18("8","10","5","8","2","7","1") = "9"
    & skf18("8","10","5","8","2","8","1") = "9"
    & skf18("8","10","5","8","2","9","1") = "9"
    & skf18("8","10","5","8","2","10","1") = "9"
    & skf18("8","10","5","8","3","1","1") = "9"
    & skf18("8","10","5","8","3","2","1") = "9"
    & skf18("8","10","5","8","3","3","1") = "9"
    & skf18("8","10","5","8","3","4","1") = "9"
    & skf18("8","10","5","8","3","5","1") = "9"
    & skf18("8","10","5","8","3","6","1") = "9"
    & skf18("8","10","5","8","3","7","1") = "9"
    & skf18("8","10","5","8","3","8","1") = "9"
    & skf18("8","10","5","8","3","9","1") = "9"
    & skf18("8","10","5","8","3","10","1") = "9"
    & skf18("8","10","5","8","4","1","1") = "9"
    & skf18("8","10","5","8","4","2","1") = "9"
    & skf18("8","10","5","8","4","3","1") = "9"
    & skf18("8","10","5","8","4","4","1") = "9"
    & skf18("8","10","5","8","4","5","1") = "9"
    & skf18("8","10","5","8","4","6","1") = "9"
    & skf18("8","10","5","8","4","7","1") = "9"
    & skf18("8","10","5","8","4","8","1") = "9"
    & skf18("8","10","5","8","4","9","1") = "9"
    & skf18("8","10","5","8","4","10","1") = "9"
    & skf18("8","10","5","8","5","1","1") = "9"
    & skf18("8","10","5","8","5","2","1") = "9"
    & skf18("8","10","5","8","5","3","1") = "9"
    & skf18("8","10","5","8","5","4","1") = "9"
    & skf18("8","10","5","8","5","5","1") = "9"
    & skf18("8","10","5","8","5","6","1") = "9"
    & skf18("8","10","5","8","5","7","1") = "9"
    & skf18("8","10","5","8","5","8","1") = "9"
    & skf18("8","10","5","8","5","9","1") = "9"
    & skf18("8","10","5","8","5","10","1") = "9"
    & skf18("8","10","5","8","6","1","1") = "9"
    & skf18("8","10","5","8","6","2","1") = "9"
    & skf18("8","10","5","8","6","3","1") = "9"
    & skf18("8","10","5","8","6","4","1") = "9"
    & skf18("8","10","5","8","6","5","1") = "9"
    & skf18("8","10","5","8","6","6","1") = "9"
    & skf18("8","10","5","8","6","7","1") = "9"
    & skf18("8","10","5","8","6","8","1") = "9"
    & skf18("8","10","5","8","6","9","1") = "9"
    & skf18("8","10","5","8","6","10","1") = "9"
    & skf18("8","10","5","8","7","1","1") = "9"
    & skf18("8","10","5","8","7","2","1") = "9"
    & skf18("8","10","5","8","7","3","1") = "9"
    & skf18("8","10","5","8","7","4","1") = "9"
    & skf18("8","10","5","8","7","5","1") = "9"
    & skf18("8","10","5","8","7","6","1") = "9"
    & skf18("8","10","5","8","7","7","1") = "9"
    & skf18("8","10","5","8","7","8","1") = "9"
    & skf18("8","10","5","8","7","9","1") = "9"
    & skf18("8","10","5","8","7","10","1") = "9"
    & skf18("8","10","5","8","8","1","1") = "9"
    & skf18("8","10","5","8","8","2","1") = "9"
    & skf18("8","10","5","8","8","3","1") = "9"
    & skf18("8","10","5","8","8","4","1") = "9"
    & skf18("8","10","5","8","8","5","1") = "9"
    & skf18("8","10","5","8","8","6","1") = "9"
    & skf18("8","10","5","8","8","7","1") = "9"
    & skf18("8","10","5","8","8","8","1") = "9"
    & skf18("8","10","5","8","8","9","1") = "9"
    & skf18("8","10","5","8","8","10","1") = "9"
    & skf18("8","10","5","8","9","1","1") = "9"
    & skf18("8","10","5","8","9","2","1") = "9"
    & skf18("8","10","5","8","9","3","1") = "9"
    & skf18("8","10","5","8","9","4","1") = "9"
    & skf18("8","10","5","8","9","5","1") = "9"
    & skf18("8","10","5","8","9","6","1") = "9"
    & skf18("8","10","5","8","9","7","1") = "9"
    & skf18("8","10","5","8","9","8","1") = "9"
    & skf18("8","10","5","8","9","9","1") = "9"
    & skf18("8","10","5","8","9","10","1") = "9"
    & skf18("8","10","5","8","10","1","1") = "9"
    & skf18("8","10","5","8","10","2","1") = "9"
    & skf18("8","10","5","8","10","3","1") = "9"
    & skf18("8","10","5","8","10","4","1") = "9"
    & skf18("8","10","5","8","10","5","1") = "9"
    & skf18("8","10","5","8","10","6","1") = "9"
    & skf18("8","10","5","8","10","7","1") = "9"
    & skf18("8","10","5","8","10","8","1") = "9"
    & skf18("8","10","5","8","10","9","1") = "9"
    & skf18("8","10","5","8","10","10","1") = "9"
    & skf18("8","10","5","9","1","1","1") = "9"
    & skf18("8","10","5","9","1","2","1") = "9"
    & skf18("8","10","5","9","1","3","1") = "9"
    & skf18("8","10","5","9","1","4","1") = "9"
    & skf18("8","10","5","9","1","5","1") = "9"
    & skf18("8","10","5","9","1","6","1") = "9"
    & skf18("8","10","5","9","1","7","1") = "9"
    & skf18("8","10","5","9","1","8","1") = "9"
    & skf18("8","10","5","9","1","9","1") = "9"
    & skf18("8","10","5","9","1","10","1") = "9"
    & skf18("8","10","5","9","2","1","1") = "9"
    & skf18("8","10","5","9","2","2","1") = "9"
    & skf18("8","10","5","9","2","3","1") = "9"
    & skf18("8","10","5","9","2","4","1") = "9"
    & skf18("8","10","5","9","2","5","1") = "9"
    & skf18("8","10","5","9","2","6","1") = "9"
    & skf18("8","10","5","9","2","7","1") = "9"
    & skf18("8","10","5","9","2","8","1") = "9"
    & skf18("8","10","5","9","2","9","1") = "9"
    & skf18("8","10","5","9","2","10","1") = "9"
    & skf18("8","10","5","9","3","1","1") = "9"
    & skf18("8","10","5","9","3","2","1") = "9"
    & skf18("8","10","5","9","3","3","1") = "9"
    & skf18("8","10","5","9","3","4","1") = "9"
    & skf18("8","10","5","9","3","5","1") = "9"
    & skf18("8","10","5","9","3","6","1") = "9"
    & skf18("8","10","5","9","3","7","1") = "9"
    & skf18("8","10","5","9","3","8","1") = "9"
    & skf18("8","10","5","9","3","9","1") = "9"
    & skf18("8","10","5","9","3","10","1") = "9"
    & skf18("8","10","5","9","4","1","1") = "9"
    & skf18("8","10","5","9","4","2","1") = "9"
    & skf18("8","10","5","9","4","3","1") = "9"
    & skf18("8","10","5","9","4","4","1") = "9"
    & skf18("8","10","5","9","4","5","1") = "9"
    & skf18("8","10","5","9","4","6","1") = "9"
    & skf18("8","10","5","9","4","7","1") = "9"
    & skf18("8","10","5","9","4","8","1") = "9"
    & skf18("8","10","5","9","4","9","1") = "9"
    & skf18("8","10","5","9","4","10","1") = "9"
    & skf18("8","10","5","9","5","1","1") = "9"
    & skf18("8","10","5","9","5","2","1") = "9"
    & skf18("8","10","5","9","5","3","1") = "9"
    & skf18("8","10","5","9","5","4","1") = "9"
    & skf18("8","10","5","9","5","5","1") = "9"
    & skf18("8","10","5","9","5","6","1") = "9"
    & skf18("8","10","5","9","5","7","1") = "9"
    & skf18("8","10","5","9","5","8","1") = "9"
    & skf18("8","10","5","9","5","9","1") = "9"
    & skf18("8","10","5","9","5","10","1") = "9"
    & skf18("8","10","5","9","6","1","1") = "9"
    & skf18("8","10","5","9","6","2","1") = "9"
    & skf18("8","10","5","9","6","3","1") = "9"
    & skf18("8","10","5","9","6","4","1") = "9"
    & skf18("8","10","5","9","6","5","1") = "9"
    & skf18("8","10","5","9","6","6","1") = "9"
    & skf18("8","10","5","9","6","7","1") = "9"
    & skf18("8","10","5","9","6","8","1") = "9"
    & skf18("8","10","5","9","6","9","1") = "9"
    & skf18("8","10","5","9","6","10","1") = "9"
    & skf18("8","10","5","9","7","1","1") = "9"
    & skf18("8","10","5","9","7","2","1") = "9"
    & skf18("8","10","5","9","7","3","1") = "9"
    & skf18("8","10","5","9","7","4","1") = "9"
    & skf18("8","10","5","9","7","5","1") = "9"
    & skf18("8","10","5","9","7","6","1") = "9"
    & skf18("8","10","5","9","7","7","1") = "9"
    & skf18("8","10","5","9","7","8","1") = "9"
    & skf18("8","10","5","9","7","9","1") = "9"
    & skf18("8","10","5","9","7","10","1") = "9"
    & skf18("8","10","5","9","8","1","1") = "9"
    & skf18("8","10","5","9","8","2","1") = "9"
    & skf18("8","10","5","9","8","3","1") = "9"
    & skf18("8","10","5","9","8","4","1") = "9"
    & skf18("8","10","5","9","8","5","1") = "9"
    & skf18("8","10","5","9","8","6","1") = "9"
    & skf18("8","10","5","9","8","7","1") = "9"
    & skf18("8","10","5","9","8","8","1") = "9"
    & skf18("8","10","5","9","8","9","1") = "9"
    & skf18("8","10","5","9","8","10","1") = "9"
    & skf18("8","10","5","9","9","1","1") = "9"
    & skf18("8","10","5","9","9","2","1") = "9"
    & skf18("8","10","5","9","9","3","1") = "9"
    & skf18("8","10","5","9","9","4","1") = "9"
    & skf18("8","10","5","9","9","5","1") = "9"
    & skf18("8","10","5","9","9","6","1") = "9"
    & skf18("8","10","5","9","9","7","1") = "9"
    & skf18("8","10","5","9","9","8","1") = "9"
    & skf18("8","10","5","9","9","9","1") = "9"
    & skf18("8","10","5","9","9","10","1") = "9"
    & skf18("8","10","5","9","10","1","1") = "9"
    & skf18("8","10","5","9","10","2","1") = "9"
    & skf18("8","10","5","9","10","3","1") = "9"
    & skf18("8","10","5","9","10","4","1") = "9"
    & skf18("8","10","5","9","10","5","1") = "9"
    & skf18("8","10","5","9","10","6","1") = "9"
    & skf18("8","10","5","9","10","7","1") = "9"
    & skf18("8","10","5","9","10","8","1") = "9"
    & skf18("8","10","5","9","10","9","1") = "9"
    & skf18("8","10","5","9","10","10","1") = "9"
    & skf18("8","10","5","10","1","1","1") = "9"
    & skf18("8","10","5","10","1","2","1") = "9"
    & skf18("8","10","5","10","1","3","1") = "9"
    & skf18("8","10","5","10","1","4","1") = "9"
    & skf18("8","10","5","10","1","5","1") = "9"
    & skf18("8","10","5","10","1","6","1") = "9"
    & skf18("8","10","5","10","1","7","1") = "9"
    & skf18("8","10","5","10","1","8","1") = "9"
    & skf18("8","10","5","10","1","9","1") = "9"
    & skf18("8","10","5","10","1","10","1") = "9"
    & skf18("8","10","5","10","2","1","1") = "9"
    & skf18("8","10","5","10","2","2","1") = "9"
    & skf18("8","10","5","10","2","3","1") = "9"
    & skf18("8","10","5","10","2","4","1") = "9"
    & skf18("8","10","5","10","2","5","1") = "9"
    & skf18("8","10","5","10","2","6","1") = "9"
    & skf18("8","10","5","10","2","7","1") = "9"
    & skf18("8","10","5","10","2","8","1") = "9"
    & skf18("8","10","5","10","2","9","1") = "9"
    & skf18("8","10","5","10","2","10","1") = "9"
    & skf18("8","10","5","10","3","1","1") = "9"
    & skf18("8","10","5","10","3","2","1") = "9"
    & skf18("8","10","5","10","3","3","1") = "9"
    & skf18("8","10","5","10","3","4","1") = "9"
    & skf18("8","10","5","10","3","5","1") = "9"
    & skf18("8","10","5","10","3","6","1") = "9"
    & skf18("8","10","5","10","3","7","1") = "9"
    & skf18("8","10","5","10","3","8","1") = "9"
    & skf18("8","10","5","10","3","9","1") = "9"
    & skf18("8","10","5","10","3","10","1") = "9"
    & skf18("8","10","5","10","4","1","1") = "9"
    & skf18("8","10","5","10","4","2","1") = "9"
    & skf18("8","10","5","10","4","3","1") = "9"
    & skf18("8","10","5","10","4","4","1") = "9"
    & skf18("8","10","5","10","4","5","1") = "9"
    & skf18("8","10","5","10","4","6","1") = "9"
    & skf18("8","10","5","10","4","7","1") = "9"
    & skf18("8","10","5","10","4","8","1") = "9"
    & skf18("8","10","5","10","4","9","1") = "9"
    & skf18("8","10","5","10","4","10","1") = "9"
    & skf18("8","10","5","10","5","1","1") = "9"
    & skf18("8","10","5","10","5","2","1") = "9"
    & skf18("8","10","5","10","5","3","1") = "9"
    & skf18("8","10","5","10","5","4","1") = "9"
    & skf18("8","10","5","10","5","5","1") = "9"
    & skf18("8","10","5","10","5","6","1") = "9"
    & skf18("8","10","5","10","5","7","1") = "9"
    & skf18("8","10","5","10","5","8","1") = "9"
    & skf18("8","10","5","10","5","9","1") = "9"
    & skf18("8","10","5","10","5","10","1") = "9"
    & skf18("8","10","5","10","6","1","1") = "9"
    & skf18("8","10","5","10","6","2","1") = "9"
    & skf18("8","10","5","10","6","3","1") = "9"
    & skf18("8","10","5","10","6","4","1") = "9"
    & skf18("8","10","5","10","6","5","1") = "9"
    & skf18("8","10","5","10","6","6","1") = "9"
    & skf18("8","10","5","10","6","7","1") = "9"
    & skf18("8","10","5","10","6","8","1") = "9"
    & skf18("8","10","5","10","6","9","1") = "9"
    & skf18("8","10","5","10","6","10","1") = "9"
    & skf18("8","10","5","10","7","1","1") = "9"
    & skf18("8","10","5","10","7","2","1") = "9"
    & skf18("8","10","5","10","7","3","1") = "9"
    & skf18("8","10","5","10","7","4","1") = "9"
    & skf18("8","10","5","10","7","5","1") = "9"
    & skf18("8","10","5","10","7","6","1") = "9"
    & skf18("8","10","5","10","7","7","1") = "9"
    & skf18("8","10","5","10","7","8","1") = "9"
    & skf18("8","10","5","10","7","9","1") = "9"
    & skf18("8","10","5","10","7","10","1") = "9"
    & skf18("8","10","5","10","8","1","1") = "9"
    & skf18("8","10","5","10","8","2","1") = "9"
    & skf18("8","10","5","10","8","3","1") = "9"
    & skf18("8","10","5","10","8","4","1") = "9"
    & skf18("8","10","5","10","8","5","1") = "9"
    & skf18("8","10","5","10","8","6","1") = "9"
    & skf18("8","10","5","10","8","7","1") = "9"
    & skf18("8","10","5","10","8","8","1") = "9"
    & skf18("8","10","5","10","8","9","1") = "9"
    & skf18("8","10","5","10","8","10","1") = "9"
    & skf18("8","10","5","10","9","1","1") = "9"
    & skf18("8","10","5","10","9","2","1") = "9"
    & skf18("8","10","5","10","9","3","1") = "9"
    & skf18("8","10","5","10","9","4","1") = "9"
    & skf18("8","10","5","10","9","5","1") = "9"
    & skf18("8","10","5","10","9","6","1") = "9"
    & skf18("8","10","5","10","9","7","1") = "9"
    & skf18("8","10","5","10","9","8","1") = "9"
    & skf18("8","10","5","10","9","9","1") = "9"
    & skf18("8","10","5","10","9","10","1") = "9"
    & skf18("8","10","5","10","10","1","1") = "9"
    & skf18("8","10","5","10","10","2","1") = "9"
    & skf18("8","10","5","10","10","3","1") = "9"
    & skf18("8","10","5","10","10","4","1") = "9"
    & skf18("8","10","5","10","10","5","1") = "9"
    & skf18("8","10","5","10","10","6","1") = "9"
    & skf18("8","10","5","10","10","7","1") = "9"
    & skf18("8","10","5","10","10","8","1") = "9"
    & skf18("8","10","5","10","10","9","1") = "9"
    & skf18("8","10","5","10","10","10","1") = "9"
    & skf18("8","10","6","1","1","1","1") = "9"
    & skf18("8","10","6","1","1","2","1") = "9"
    & skf18("8","10","6","1","1","3","1") = "9"
    & skf18("8","10","6","1","1","4","1") = "9"
    & skf18("8","10","6","1","1","5","1") = "9"
    & skf18("8","10","6","1","1","6","1") = "9"
    & skf18("8","10","6","1","1","7","1") = "9"
    & skf18("8","10","6","1","1","8","1") = "9"
    & skf18("8","10","6","1","1","9","1") = "9"
    & skf18("8","10","6","1","1","10","1") = "9"
    & skf18("8","10","6","1","2","1","1") = "9"
    & skf18("8","10","6","1","2","2","1") = "9"
    & skf18("8","10","6","1","2","3","1") = "9"
    & skf18("8","10","6","1","2","4","1") = "9"
    & skf18("8","10","6","1","2","5","1") = "9"
    & skf18("8","10","6","1","2","6","1") = "9"
    & skf18("8","10","6","1","2","7","1") = "9"
    & skf18("8","10","6","1","2","8","1") = "9"
    & skf18("8","10","6","1","2","9","1") = "9"
    & skf18("8","10","6","1","2","10","1") = "9"
    & skf18("8","10","6","1","3","1","1") = "9"
    & skf18("8","10","6","1","3","2","1") = "9"
    & skf18("8","10","6","1","3","3","1") = "9"
    & skf18("8","10","6","1","3","4","1") = "9"
    & skf18("8","10","6","1","3","5","1") = "9"
    & skf18("8","10","6","1","3","6","1") = "9"
    & skf18("8","10","6","1","3","7","1") = "9"
    & skf18("8","10","6","1","3","8","1") = "9"
    & skf18("8","10","6","1","3","9","1") = "9"
    & skf18("8","10","6","1","3","10","1") = "9"
    & skf18("8","10","6","1","4","1","1") = "9"
    & skf18("8","10","6","1","4","2","1") = "9"
    & skf18("8","10","6","1","4","3","1") = "9"
    & skf18("8","10","6","1","4","4","1") = "9"
    & skf18("8","10","6","1","4","5","1") = "9"
    & skf18("8","10","6","1","4","6","1") = "9"
    & skf18("8","10","6","1","4","7","1") = "9"
    & skf18("8","10","6","1","4","8","1") = "9"
    & skf18("8","10","6","1","4","9","1") = "9"
    & skf18("8","10","6","1","4","10","1") = "9"
    & skf18("8","10","6","1","5","1","1") = "9"
    & skf18("8","10","6","1","5","2","1") = "9"
    & skf18("8","10","6","1","5","3","1") = "9"
    & skf18("8","10","6","1","5","4","1") = "9"
    & skf18("8","10","6","1","5","5","1") = "9"
    & skf18("8","10","6","1","5","6","1") = "9"
    & skf18("8","10","6","1","5","7","1") = "9"
    & skf18("8","10","6","1","5","8","1") = "9"
    & skf18("8","10","6","1","5","9","1") = "9"
    & skf18("8","10","6","1","5","10","1") = "9"
    & skf18("8","10","6","1","6","1","1") = "9"
    & skf18("8","10","6","1","6","2","1") = "9"
    & skf18("8","10","6","1","6","3","1") = "9"
    & skf18("8","10","6","1","6","4","1") = "9"
    & skf18("8","10","6","1","6","5","1") = "9"
    & skf18("8","10","6","1","6","6","1") = "9"
    & skf18("8","10","6","1","6","7","1") = "9"
    & skf18("8","10","6","1","6","8","1") = "9"
    & skf18("8","10","6","1","6","9","1") = "9"
    & skf18("8","10","6","1","6","10","1") = "9"
    & skf18("8","10","6","1","7","1","1") = "9"
    & skf18("8","10","6","1","7","2","1") = "9"
    & skf18("8","10","6","1","7","3","1") = "9"
    & skf18("8","10","6","1","7","4","1") = "9"
    & skf18("8","10","6","1","7","5","1") = "9"
    & skf18("8","10","6","1","7","6","1") = "9"
    & skf18("8","10","6","1","7","7","1") = "9"
    & skf18("8","10","6","1","7","8","1") = "9"
    & skf18("8","10","6","1","7","9","1") = "9"
    & skf18("8","10","6","1","7","10","1") = "9"
    & skf18("8","10","6","1","8","1","1") = "9"
    & skf18("8","10","6","1","8","2","1") = "9"
    & skf18("8","10","6","1","8","3","1") = "9"
    & skf18("8","10","6","1","8","4","1") = "9"
    & skf18("8","10","6","1","8","5","1") = "9"
    & skf18("8","10","6","1","8","6","1") = "9"
    & skf18("8","10","6","1","8","7","1") = "9"
    & skf18("8","10","6","1","8","8","1") = "9"
    & skf18("8","10","6","1","8","9","1") = "9"
    & skf18("8","10","6","1","8","10","1") = "9"
    & skf18("8","10","6","1","9","1","1") = "9"
    & skf18("8","10","6","1","9","2","1") = "9"
    & skf18("8","10","6","1","9","3","1") = "9"
    & skf18("8","10","6","1","9","4","1") = "9"
    & skf18("8","10","6","1","9","5","1") = "9"
    & skf18("8","10","6","1","9","6","1") = "9"
    & skf18("8","10","6","1","9","7","1") = "9"
    & skf18("8","10","6","1","9","8","1") = "9"
    & skf18("8","10","6","1","9","9","1") = "9"
    & skf18("8","10","6","1","9","10","1") = "9"
    & skf18("8","10","6","1","10","1","1") = "9"
    & skf18("8","10","6","1","10","2","1") = "9"
    & skf18("8","10","6","1","10","3","1") = "9"
    & skf18("8","10","6","1","10","4","1") = "9"
    & skf18("8","10","6","1","10","5","1") = "9"
    & skf18("8","10","6","1","10","6","1") = "9"
    & skf18("8","10","6","1","10","7","1") = "9"
    & skf18("8","10","6","1","10","8","1") = "9"
    & skf18("8","10","6","1","10","9","1") = "9"
    & skf18("8","10","6","1","10","10","1") = "9"
    & skf18("8","10","6","2","1","1","1") = "9"
    & skf18("8","10","6","2","1","2","1") = "9"
    & skf18("8","10","6","2","1","3","1") = "9"
    & skf18("8","10","6","2","1","4","1") = "9"
    & skf18("8","10","6","2","1","5","1") = "9"
    & skf18("8","10","6","2","1","6","1") = "9"
    & skf18("8","10","6","2","1","7","1") = "9"
    & skf18("8","10","6","2","1","8","1") = "9"
    & skf18("8","10","6","2","1","9","1") = "9"
    & skf18("8","10","6","2","1","10","1") = "9"
    & skf18("8","10","6","2","2","1","1") = "9"
    & skf18("8","10","6","2","2","2","1") = "9"
    & skf18("8","10","6","2","2","3","1") = "9"
    & skf18("8","10","6","2","2","4","1") = "9"
    & skf18("8","10","6","2","2","5","1") = "9"
    & skf18("8","10","6","2","2","6","1") = "9"
    & skf18("8","10","6","2","2","7","1") = "9"
    & skf18("8","10","6","2","2","8","1") = "9"
    & skf18("8","10","6","2","2","9","1") = "9"
    & skf18("8","10","6","2","2","10","1") = "9"
    & skf18("8","10","6","2","3","1","1") = "9"
    & skf18("8","10","6","2","3","2","1") = "9"
    & skf18("8","10","6","2","3","3","1") = "9"
    & skf18("8","10","6","2","3","4","1") = "9"
    & skf18("8","10","6","2","3","5","1") = "9"
    & skf18("8","10","6","2","3","6","1") = "9"
    & skf18("8","10","6","2","3","7","1") = "9"
    & skf18("8","10","6","2","3","8","1") = "9"
    & skf18("8","10","6","2","3","9","1") = "9"
    & skf18("8","10","6","2","3","10","1") = "9"
    & skf18("8","10","6","2","4","1","1") = "9"
    & skf18("8","10","6","2","4","2","1") = "9"
    & skf18("8","10","6","2","4","3","1") = "9"
    & skf18("8","10","6","2","4","4","1") = "9"
    & skf18("8","10","6","2","4","5","1") = "9"
    & skf18("8","10","6","2","4","6","1") = "9"
    & skf18("8","10","6","2","4","7","1") = "9"
    & skf18("8","10","6","2","4","8","1") = "9"
    & skf18("8","10","6","2","4","9","1") = "9"
    & skf18("8","10","6","2","4","10","1") = "9"
    & skf18("8","10","6","2","5","1","1") = "9"
    & skf18("8","10","6","2","5","2","1") = "9"
    & skf18("8","10","6","2","5","3","1") = "9"
    & skf18("8","10","6","2","5","4","1") = "9"
    & skf18("8","10","6","2","5","5","1") = "9"
    & skf18("8","10","6","2","5","6","1") = "9"
    & skf18("8","10","6","2","5","7","1") = "9"
    & skf18("8","10","6","2","5","8","1") = "9"
    & skf18("8","10","6","2","5","9","1") = "9"
    & skf18("8","10","6","2","5","10","1") = "9"
    & skf18("8","10","6","2","6","1","1") = "9"
    & skf18("8","10","6","2","6","2","1") = "9"
    & skf18("8","10","6","2","6","3","1") = "9"
    & skf18("8","10","6","2","6","4","1") = "9"
    & skf18("8","10","6","2","6","5","1") = "9"
    & skf18("8","10","6","2","6","6","1") = "9"
    & skf18("8","10","6","2","6","7","1") = "9"
    & skf18("8","10","6","2","6","8","1") = "9"
    & skf18("8","10","6","2","6","9","1") = "9"
    & skf18("8","10","6","2","6","10","1") = "9"
    & skf18("8","10","6","2","7","1","1") = "9"
    & skf18("8","10","6","2","7","2","1") = "9"
    & skf18("8","10","6","2","7","3","1") = "9"
    & skf18("8","10","6","2","7","4","1") = "9"
    & skf18("8","10","6","2","7","5","1") = "9"
    & skf18("8","10","6","2","7","6","1") = "9"
    & skf18("8","10","6","2","7","7","1") = "9"
    & skf18("8","10","6","2","7","8","1") = "9"
    & skf18("8","10","6","2","7","9","1") = "9"
    & skf18("8","10","6","2","7","10","1") = "9"
    & skf18("8","10","6","2","8","1","1") = "9"
    & skf18("8","10","6","2","8","2","1") = "9"
    & skf18("8","10","6","2","8","3","1") = "9"
    & skf18("8","10","6","2","8","4","1") = "9"
    & skf18("8","10","6","2","8","5","1") = "9"
    & skf18("8","10","6","2","8","6","1") = "9"
    & skf18("8","10","6","2","8","7","1") = "9"
    & skf18("8","10","6","2","8","8","1") = "9"
    & skf18("8","10","6","2","8","9","1") = "9"
    & skf18("8","10","6","2","8","10","1") = "9"
    & skf18("8","10","6","2","9","1","1") = "9"
    & skf18("8","10","6","2","9","2","1") = "9"
    & skf18("8","10","6","2","9","3","1") = "9"
    & skf18("8","10","6","2","9","4","1") = "9"
    & skf18("8","10","6","2","9","5","1") = "9"
    & skf18("8","10","6","2","9","6","1") = "9"
    & skf18("8","10","6","2","9","7","1") = "9"
    & skf18("8","10","6","2","9","8","1") = "9"
    & skf18("8","10","6","2","9","9","1") = "9"
    & skf18("8","10","6","2","9","10","1") = "9"
    & skf18("8","10","6","2","10","1","1") = "9"
    & skf18("8","10","6","2","10","2","1") = "9"
    & skf18("8","10","6","2","10","3","1") = "9"
    & skf18("8","10","6","2","10","4","1") = "9"
    & skf18("8","10","6","2","10","5","1") = "9"
    & skf18("8","10","6","2","10","6","1") = "9"
    & skf18("8","10","6","2","10","7","1") = "9"
    & skf18("8","10","6","2","10","8","1") = "9"
    & skf18("8","10","6","2","10","9","1") = "9"
    & skf18("8","10","6","2","10","10","1") = "9"
    & skf18("8","10","6","3","1","1","1") = "9"
    & skf18("8","10","6","3","1","2","1") = "9"
    & skf18("8","10","6","3","1","3","1") = "9"
    & skf18("8","10","6","3","1","4","1") = "9"
    & skf18("8","10","6","3","1","5","1") = "9"
    & skf18("8","10","6","3","1","6","1") = "9"
    & skf18("8","10","6","3","1","7","1") = "9"
    & skf18("8","10","6","3","1","8","1") = "9"
    & skf18("8","10","6","3","1","9","1") = "9"
    & skf18("8","10","6","3","1","10","1") = "9"
    & skf18("8","10","6","3","2","1","1") = "9"
    & skf18("8","10","6","3","2","2","1") = "9"
    & skf18("8","10","6","3","2","3","1") = "9"
    & skf18("8","10","6","3","2","4","1") = "9"
    & skf18("8","10","6","3","2","5","1") = "9"
    & skf18("8","10","6","3","2","6","1") = "9"
    & skf18("8","10","6","3","2","7","1") = "9"
    & skf18("8","10","6","3","2","8","1") = "9"
    & skf18("8","10","6","3","2","9","1") = "9"
    & skf18("8","10","6","3","2","10","1") = "9"
    & skf18("8","10","6","3","3","1","1") = "9"
    & skf18("8","10","6","3","3","2","1") = "9"
    & skf18("8","10","6","3","3","3","1") = "9"
    & skf18("8","10","6","3","3","4","1") = "9"
    & skf18("8","10","6","3","3","5","1") = "9"
    & skf18("8","10","6","3","3","6","1") = "9"
    & skf18("8","10","6","3","3","7","1") = "9"
    & skf18("8","10","6","3","3","8","1") = "9"
    & skf18("8","10","6","3","3","9","1") = "9"
    & skf18("8","10","6","3","3","10","1") = "9"
    & skf18("8","10","6","3","4","1","1") = "9"
    & skf18("8","10","6","3","4","2","1") = "9"
    & skf18("8","10","6","3","4","3","1") = "9"
    & skf18("8","10","6","3","4","4","1") = "9"
    & skf18("8","10","6","3","4","5","1") = "9"
    & skf18("8","10","6","3","4","6","1") = "9"
    & skf18("8","10","6","3","4","7","1") = "9"
    & skf18("8","10","6","3","4","8","1") = "9"
    & skf18("8","10","6","3","4","9","1") = "9"
    & skf18("8","10","6","3","4","10","1") = "9"
    & skf18("8","10","6","3","5","1","1") = "9"
    & skf18("8","10","6","3","5","2","1") = "9"
    & skf18("8","10","6","3","5","3","1") = "9"
    & skf18("8","10","6","3","5","4","1") = "9"
    & skf18("8","10","6","3","5","5","1") = "9"
    & skf18("8","10","6","3","5","6","1") = "9"
    & skf18("8","10","6","3","5","7","1") = "9"
    & skf18("8","10","6","3","5","8","1") = "9"
    & skf18("8","10","6","3","5","9","1") = "9"
    & skf18("8","10","6","3","5","10","1") = "9"
    & skf18("8","10","6","3","6","1","1") = "9"
    & skf18("8","10","6","3","6","2","1") = "9"
    & skf18("8","10","6","3","6","3","1") = "9"
    & skf18("8","10","6","3","6","4","1") = "9"
    & skf18("8","10","6","3","6","5","1") = "9"
    & skf18("8","10","6","3","6","6","1") = "9"
    & skf18("8","10","6","3","6","7","1") = "9"
    & skf18("8","10","6","3","6","8","1") = "9"
    & skf18("8","10","6","3","6","9","1") = "9"
    & skf18("8","10","6","3","6","10","1") = "9"
    & skf18("8","10","6","3","7","1","1") = "9"
    & skf18("8","10","6","3","7","2","1") = "9"
    & skf18("8","10","6","3","7","3","1") = "9"
    & skf18("8","10","6","3","7","4","1") = "9"
    & skf18("8","10","6","3","7","5","1") = "9"
    & skf18("8","10","6","3","7","6","1") = "9"
    & skf18("8","10","6","3","7","7","1") = "9"
    & skf18("8","10","6","3","7","8","1") = "9"
    & skf18("8","10","6","3","7","9","1") = "9"
    & skf18("8","10","6","3","7","10","1") = "9"
    & skf18("8","10","6","3","8","1","1") = "9"
    & skf18("8","10","6","3","8","2","1") = "9"
    & skf18("8","10","6","3","8","3","1") = "9"
    & skf18("8","10","6","3","8","4","1") = "9"
    & skf18("8","10","6","3","8","5","1") = "9"
    & skf18("8","10","6","3","8","6","1") = "9"
    & skf18("8","10","6","3","8","7","1") = "9"
    & skf18("8","10","6","3","8","8","1") = "9"
    & skf18("8","10","6","3","8","9","1") = "9"
    & skf18("8","10","6","3","8","10","1") = "9"
    & skf18("8","10","6","3","9","1","1") = "9"
    & skf18("8","10","6","3","9","2","1") = "9"
    & skf18("8","10","6","3","9","3","1") = "9"
    & skf18("8","10","6","3","9","4","1") = "9"
    & skf18("8","10","6","3","9","5","1") = "9"
    & skf18("8","10","6","3","9","6","1") = "9"
    & skf18("8","10","6","3","9","7","1") = "9"
    & skf18("8","10","6","3","9","8","1") = "9"
    & skf18("8","10","6","3","9","9","1") = "9"
    & skf18("8","10","6","3","9","10","1") = "9"
    & skf18("8","10","6","3","10","1","1") = "9"
    & skf18("8","10","6","3","10","2","1") = "9"
    & skf18("8","10","6","3","10","3","1") = "9"
    & skf18("8","10","6","3","10","4","1") = "9"
    & skf18("8","10","6","3","10","5","1") = "9"
    & skf18("8","10","6","3","10","6","1") = "9"
    & skf18("8","10","6","3","10","7","1") = "9"
    & skf18("8","10","6","3","10","8","1") = "9"
    & skf18("8","10","6","3","10","9","1") = "9"
    & skf18("8","10","6","3","10","10","1") = "9"
    & skf18("8","10","6","4","1","1","1") = "9"
    & skf18("8","10","6","4","1","2","1") = "9"
    & skf18("8","10","6","4","1","3","1") = "9"
    & skf18("8","10","6","4","1","4","1") = "9"
    & skf18("8","10","6","4","1","5","1") = "9"
    & skf18("8","10","6","4","1","6","1") = "9"
    & skf18("8","10","6","4","1","7","1") = "9"
    & skf18("8","10","6","4","1","8","1") = "9"
    & skf18("8","10","6","4","1","9","1") = "9"
    & skf18("8","10","6","4","1","10","1") = "9"
    & skf18("8","10","6","4","2","1","1") = "9"
    & skf18("8","10","6","4","2","2","1") = "9"
    & skf18("8","10","6","4","2","3","1") = "9"
    & skf18("8","10","6","4","2","4","1") = "9"
    & skf18("8","10","6","4","2","5","1") = "9"
    & skf18("8","10","6","4","2","6","1") = "9"
    & skf18("8","10","6","4","2","7","1") = "9"
    & skf18("8","10","6","4","2","8","1") = "9"
    & skf18("8","10","6","4","2","9","1") = "9"
    & skf18("8","10","6","4","2","10","1") = "9"
    & skf18("8","10","6","4","3","1","1") = "9"
    & skf18("8","10","6","4","3","2","1") = "9"
    & skf18("8","10","6","4","3","3","1") = "9"
    & skf18("8","10","6","4","3","4","1") = "9"
    & skf18("8","10","6","4","3","5","1") = "9"
    & skf18("8","10","6","4","3","6","1") = "9"
    & skf18("8","10","6","4","3","7","1") = "9"
    & skf18("8","10","6","4","3","8","1") = "9"
    & skf18("8","10","6","4","3","9","1") = "9"
    & skf18("8","10","6","4","3","10","1") = "9"
    & skf18("8","10","6","4","4","1","1") = "9"
    & skf18("8","10","6","4","4","2","1") = "9"
    & skf18("8","10","6","4","4","3","1") = "9"
    & skf18("8","10","6","4","4","4","1") = "9"
    & skf18("8","10","6","4","4","5","1") = "9"
    & skf18("8","10","6","4","4","6","1") = "9"
    & skf18("8","10","6","4","4","7","1") = "9"
    & skf18("8","10","6","4","4","8","1") = "9"
    & skf18("8","10","6","4","4","9","1") = "9"
    & skf18("8","10","6","4","4","10","1") = "9"
    & skf18("8","10","6","4","5","1","1") = "9"
    & skf18("8","10","6","4","5","2","1") = "9"
    & skf18("8","10","6","4","5","3","1") = "9"
    & skf18("8","10","6","4","5","4","1") = "9"
    & skf18("8","10","6","4","5","5","1") = "9"
    & skf18("8","10","6","4","5","6","1") = "9"
    & skf18("8","10","6","4","5","7","1") = "9"
    & skf18("8","10","6","4","5","8","1") = "9"
    & skf18("8","10","6","4","5","9","1") = "9"
    & skf18("8","10","6","4","5","10","1") = "9"
    & skf18("8","10","6","4","6","1","1") = "9"
    & skf18("8","10","6","4","6","2","1") = "9"
    & skf18("8","10","6","4","6","3","1") = "9"
    & skf18("8","10","6","4","6","4","1") = "9"
    & skf18("8","10","6","4","6","5","1") = "9"
    & skf18("8","10","6","4","6","6","1") = "9"
    & skf18("8","10","6","4","6","7","1") = "9"
    & skf18("8","10","6","4","6","8","1") = "9"
    & skf18("8","10","6","4","6","9","1") = "9"
    & skf18("8","10","6","4","6","10","1") = "9"
    & skf18("8","10","6","4","7","1","1") = "9"
    & skf18("8","10","6","4","7","2","1") = "9"
    & skf18("8","10","6","4","7","3","1") = "9"
    & skf18("8","10","6","4","7","4","1") = "9"
    & skf18("8","10","6","4","7","5","1") = "9"
    & skf18("8","10","6","4","7","6","1") = "9"
    & skf18("8","10","6","4","7","7","1") = "9"
    & skf18("8","10","6","4","7","8","1") = "9"
    & skf18("8","10","6","4","7","9","1") = "9"
    & skf18("8","10","6","4","7","10","1") = "9"
    & skf18("8","10","6","4","8","1","1") = "9"
    & skf18("8","10","6","4","8","2","1") = "9"
    & skf18("8","10","6","4","8","3","1") = "9"
    & skf18("8","10","6","4","8","4","1") = "9"
    & skf18("8","10","6","4","8","5","1") = "9"
    & skf18("8","10","6","4","8","6","1") = "9"
    & skf18("8","10","6","4","8","7","1") = "9"
    & skf18("8","10","6","4","8","8","1") = "9"
    & skf18("8","10","6","4","8","9","1") = "9"
    & skf18("8","10","6","4","8","10","1") = "9"
    & skf18("8","10","6","4","9","1","1") = "9"
    & skf18("8","10","6","4","9","2","1") = "9"
    & skf18("8","10","6","4","9","3","1") = "9"
    & skf18("8","10","6","4","9","4","1") = "9"
    & skf18("8","10","6","4","9","5","1") = "9"
    & skf18("8","10","6","4","9","6","1") = "9"
    & skf18("8","10","6","4","9","7","1") = "9"
    & skf18("8","10","6","4","9","8","1") = "9"
    & skf18("8","10","6","4","9","9","1") = "9"
    & skf18("8","10","6","4","9","10","1") = "9"
    & skf18("8","10","6","4","10","1","1") = "9"
    & skf18("8","10","6","4","10","2","1") = "9"
    & skf18("8","10","6","4","10","3","1") = "9"
    & skf18("8","10","6","4","10","4","1") = "9"
    & skf18("8","10","6","4","10","5","1") = "9"
    & skf18("8","10","6","4","10","6","1") = "9"
    & skf18("8","10","6","4","10","7","1") = "9"
    & skf18("8","10","6","4","10","8","1") = "9"
    & skf18("8","10","6","4","10","9","1") = "9"
    & skf18("8","10","6","4","10","10","1") = "9"
    & skf18("8","10","6","5","1","1","1") = "9"
    & skf18("8","10","6","5","1","2","1") = "9"
    & skf18("8","10","6","5","1","3","1") = "9"
    & skf18("8","10","6","5","1","4","1") = "9"
    & skf18("8","10","6","5","1","5","1") = "9"
    & skf18("8","10","6","5","1","6","1") = "9"
    & skf18("8","10","6","5","1","7","1") = "9"
    & skf18("8","10","6","5","1","8","1") = "9"
    & skf18("8","10","6","5","1","9","1") = "9"
    & skf18("8","10","6","5","1","10","1") = "9"
    & skf18("8","10","6","5","2","1","1") = "9"
    & skf18("8","10","6","5","2","2","1") = "9"
    & skf18("8","10","6","5","2","3","1") = "9"
    & skf18("8","10","6","5","2","4","1") = "9"
    & skf18("8","10","6","5","2","5","1") = "9"
    & skf18("8","10","6","5","2","6","1") = "9"
    & skf18("8","10","6","5","2","7","1") = "9"
    & skf18("8","10","6","5","2","8","1") = "9"
    & skf18("8","10","6","5","2","9","1") = "9"
    & skf18("8","10","6","5","2","10","1") = "9"
    & skf18("8","10","6","5","3","1","1") = "9"
    & skf18("8","10","6","5","3","2","1") = "9"
    & skf18("8","10","6","5","3","3","1") = "9"
    & skf18("8","10","6","5","3","4","1") = "9"
    & skf18("8","10","6","5","3","5","1") = "9"
    & skf18("8","10","6","5","3","6","1") = "9"
    & skf18("8","10","6","5","3","7","1") = "9"
    & skf18("8","10","6","5","3","8","1") = "9"
    & skf18("8","10","6","5","3","9","1") = "9"
    & skf18("8","10","6","5","3","10","1") = "9"
    & skf18("8","10","6","5","4","1","1") = "9"
    & skf18("8","10","6","5","4","2","1") = "9"
    & skf18("8","10","6","5","4","3","1") = "9"
    & skf18("8","10","6","5","4","4","1") = "9"
    & skf18("8","10","6","5","4","5","1") = "9"
    & skf18("8","10","6","5","4","6","1") = "9"
    & skf18("8","10","6","5","4","7","1") = "9"
    & skf18("8","10","6","5","4","8","1") = "9"
    & skf18("8","10","6","5","4","9","1") = "9"
    & skf18("8","10","6","5","4","10","1") = "9"
    & skf18("8","10","6","5","5","1","1") = "9"
    & skf18("8","10","6","5","5","2","1") = "9"
    & skf18("8","10","6","5","5","3","1") = "9"
    & skf18("8","10","6","5","5","4","1") = "9"
    & skf18("8","10","6","5","5","5","1") = "9"
    & skf18("8","10","6","5","5","6","1") = "9"
    & skf18("8","10","6","5","5","7","1") = "9"
    & skf18("8","10","6","5","5","8","1") = "9"
    & skf18("8","10","6","5","5","9","1") = "9"
    & skf18("8","10","6","5","5","10","1") = "9"
    & skf18("8","10","6","5","6","1","1") = "9"
    & skf18("8","10","6","5","6","2","1") = "9"
    & skf18("8","10","6","5","6","3","1") = "9"
    & skf18("8","10","6","5","6","4","1") = "9"
    & skf18("8","10","6","5","6","5","1") = "9"
    & skf18("8","10","6","5","6","6","1") = "9"
    & skf18("8","10","6","5","6","7","1") = "9"
    & skf18("8","10","6","5","6","8","1") = "9"
    & skf18("8","10","6","5","6","9","1") = "9"
    & skf18("8","10","6","5","6","10","1") = "9"
    & skf18("8","10","6","5","7","1","1") = "9"
    & skf18("8","10","6","5","7","2","1") = "9"
    & skf18("8","10","6","5","7","3","1") = "9"
    & skf18("8","10","6","5","7","4","1") = "9"
    & skf18("8","10","6","5","7","5","1") = "9"
    & skf18("8","10","6","5","7","6","1") = "9"
    & skf18("8","10","6","5","7","7","1") = "9"
    & skf18("8","10","6","5","7","8","1") = "9"
    & skf18("8","10","6","5","7","9","1") = "9"
    & skf18("8","10","6","5","7","10","1") = "9"
    & skf18("8","10","6","5","8","1","1") = "9"
    & skf18("8","10","6","5","8","2","1") = "9"
    & skf18("8","10","6","5","8","3","1") = "9"
    & skf18("8","10","6","5","8","4","1") = "9"
    & skf18("8","10","6","5","8","5","1") = "9"
    & skf18("8","10","6","5","8","6","1") = "9"
    & skf18("8","10","6","5","8","7","1") = "9"
    & skf18("8","10","6","5","8","8","1") = "9"
    & skf18("8","10","6","5","8","9","1") = "9"
    & skf18("8","10","6","5","8","10","1") = "9"
    & skf18("8","10","6","5","9","1","1") = "9"
    & skf18("8","10","6","5","9","2","1") = "9"
    & skf18("8","10","6","5","9","3","1") = "9"
    & skf18("8","10","6","5","9","4","1") = "9"
    & skf18("8","10","6","5","9","5","1") = "9"
    & skf18("8","10","6","5","9","6","1") = "9"
    & skf18("8","10","6","5","9","7","1") = "9"
    & skf18("8","10","6","5","9","8","1") = "9"
    & skf18("8","10","6","5","9","9","1") = "9"
    & skf18("8","10","6","5","9","10","1") = "9"
    & skf18("8","10","6","5","10","1","1") = "9"
    & skf18("8","10","6","5","10","2","1") = "9"
    & skf18("8","10","6","5","10","3","1") = "9"
    & skf18("8","10","6","5","10","4","1") = "9"
    & skf18("8","10","6","5","10","5","1") = "9"
    & skf18("8","10","6","5","10","6","1") = "9"
    & skf18("8","10","6","5","10","7","1") = "9"
    & skf18("8","10","6","5","10","8","1") = "9"
    & skf18("8","10","6","5","10","9","1") = "9"
    & skf18("8","10","6","5","10","10","1") = "9"
    & skf18("8","10","6","6","1","1","1") = "9"
    & skf18("8","10","6","6","1","2","1") = "9"
    & skf18("8","10","6","6","1","3","1") = "9"
    & skf18("8","10","6","6","1","4","1") = "9"
    & skf18("8","10","6","6","1","5","1") = "9"
    & skf18("8","10","6","6","1","6","1") = "9"
    & skf18("8","10","6","6","1","7","1") = "9"
    & skf18("8","10","6","6","1","8","1") = "9"
    & skf18("8","10","6","6","1","9","1") = "9"
    & skf18("8","10","6","6","1","10","1") = "9"
    & skf18("8","10","6","6","2","1","1") = "9"
    & skf18("8","10","6","6","2","2","1") = "9"
    & skf18("8","10","6","6","2","3","1") = "9"
    & skf18("8","10","6","6","2","4","1") = "9"
    & skf18("8","10","6","6","2","5","1") = "9"
    & skf18("8","10","6","6","2","6","1") = "9"
    & skf18("8","10","6","6","2","7","1") = "9"
    & skf18("8","10","6","6","2","8","1") = "9"
    & skf18("8","10","6","6","2","9","1") = "9"
    & skf18("8","10","6","6","2","10","1") = "9"
    & skf18("8","10","6","6","3","1","1") = "9"
    & skf18("8","10","6","6","3","2","1") = "9"
    & skf18("8","10","6","6","3","3","1") = "9"
    & skf18("8","10","6","6","3","4","1") = "9"
    & skf18("8","10","6","6","3","5","1") = "9"
    & skf18("8","10","6","6","3","6","1") = "9"
    & skf18("8","10","6","6","3","7","1") = "9"
    & skf18("8","10","6","6","3","8","1") = "9"
    & skf18("8","10","6","6","3","9","1") = "9"
    & skf18("8","10","6","6","3","10","1") = "9"
    & skf18("8","10","6","6","4","1","1") = "9"
    & skf18("8","10","6","6","4","2","1") = "9"
    & skf18("8","10","6","6","4","3","1") = "9"
    & skf18("8","10","6","6","4","4","1") = "9"
    & skf18("8","10","6","6","4","5","1") = "9"
    & skf18("8","10","6","6","4","6","1") = "9"
    & skf18("8","10","6","6","4","7","1") = "9"
    & skf18("8","10","6","6","4","8","1") = "9"
    & skf18("8","10","6","6","4","9","1") = "9"
    & skf18("8","10","6","6","4","10","1") = "9"
    & skf18("8","10","6","6","5","1","1") = "9"
    & skf18("8","10","6","6","5","2","1") = "9"
    & skf18("8","10","6","6","5","3","1") = "9"
    & skf18("8","10","6","6","5","4","1") = "9"
    & skf18("8","10","6","6","5","5","1") = "9"
    & skf18("8","10","6","6","5","6","1") = "9"
    & skf18("8","10","6","6","5","7","1") = "9"
    & skf18("8","10","6","6","5","8","1") = "9"
    & skf18("8","10","6","6","5","9","1") = "9"
    & skf18("8","10","6","6","5","10","1") = "9"
    & skf18("8","10","6","6","6","1","1") = "9"
    & skf18("8","10","6","6","6","2","1") = "9"
    & skf18("8","10","6","6","6","3","1") = "9"
    & skf18("8","10","6","6","6","4","1") = "9"
    & skf18("8","10","6","6","6","5","1") = "9"
    & skf18("8","10","6","6","6","6","1") = "9"
    & skf18("8","10","6","6","6","7","1") = "9"
    & skf18("8","10","6","6","6","8","1") = "9"
    & skf18("8","10","6","6","6","9","1") = "9"
    & skf18("8","10","6","6","6","10","1") = "9"
    & skf18("8","10","6","6","7","1","1") = "9"
    & skf18("8","10","6","6","7","2","1") = "9"
    & skf18("8","10","6","6","7","3","1") = "9"
    & skf18("8","10","6","6","7","4","1") = "9"
    & skf18("8","10","6","6","7","5","1") = "9"
    & skf18("8","10","6","6","7","6","1") = "9"
    & skf18("8","10","6","6","7","7","1") = "9"
    & skf18("8","10","6","6","7","8","1") = "9"
    & skf18("8","10","6","6","7","9","1") = "9"
    & skf18("8","10","6","6","7","10","1") = "9"
    & skf18("8","10","6","6","8","1","1") = "9"
    & skf18("8","10","6","6","8","2","1") = "9"
    & skf18("8","10","6","6","8","3","1") = "9"
    & skf18("8","10","6","6","8","4","1") = "9"
    & skf18("8","10","6","6","8","5","1") = "9"
    & skf18("8","10","6","6","8","6","1") = "9"
    & skf18("8","10","6","6","8","7","1") = "9"
    & skf18("8","10","6","6","8","8","1") = "9"
    & skf18("8","10","6","6","8","9","1") = "9"
    & skf18("8","10","6","6","8","10","1") = "9"
    & skf18("8","10","6","6","9","1","1") = "9"
    & skf18("8","10","6","6","9","2","1") = "9"
    & skf18("8","10","6","6","9","3","1") = "9"
    & skf18("8","10","6","6","9","4","1") = "9"
    & skf18("8","10","6","6","9","5","1") = "9"
    & skf18("8","10","6","6","9","6","1") = "9"
    & skf18("8","10","6","6","9","7","1") = "9"
    & skf18("8","10","6","6","9","8","1") = "9"
    & skf18("8","10","6","6","9","9","1") = "9"
    & skf18("8","10","6","6","9","10","1") = "9"
    & skf18("8","10","6","6","10","1","1") = "9"
    & skf18("8","10","6","6","10","2","1") = "9"
    & skf18("8","10","6","6","10","3","1") = "9"
    & skf18("8","10","6","6","10","4","1") = "9"
    & skf18("8","10","6","6","10","5","1") = "9"
    & skf18("8","10","6","6","10","6","1") = "9"
    & skf18("8","10","6","6","10","7","1") = "9"
    & skf18("8","10","6","6","10","8","1") = "9"
    & skf18("8","10","6","6","10","9","1") = "9"
    & skf18("8","10","6","6","10","10","1") = "9"
    & skf18("8","10","6","7","1","1","1") = "9"
    & skf18("8","10","6","7","1","2","1") = "9"
    & skf18("8","10","6","7","1","3","1") = "9"
    & skf18("8","10","6","7","1","4","1") = "9"
    & skf18("8","10","6","7","1","5","1") = "9"
    & skf18("8","10","6","7","1","6","1") = "9"
    & skf18("8","10","6","7","1","7","1") = "9"
    & skf18("8","10","6","7","1","8","1") = "9"
    & skf18("8","10","6","7","1","9","1") = "9"
    & skf18("8","10","6","7","1","10","1") = "9"
    & skf18("8","10","6","7","2","1","1") = "9"
    & skf18("8","10","6","7","2","2","1") = "9"
    & skf18("8","10","6","7","2","3","1") = "9"
    & skf18("8","10","6","7","2","4","1") = "9"
    & skf18("8","10","6","7","2","5","1") = "9"
    & skf18("8","10","6","7","2","6","1") = "9"
    & skf18("8","10","6","7","2","7","1") = "9"
    & skf18("8","10","6","7","2","8","1") = "9"
    & skf18("8","10","6","7","2","9","1") = "9"
    & skf18("8","10","6","7","2","10","1") = "9"
    & skf18("8","10","6","7","3","1","1") = "9"
    & skf18("8","10","6","7","3","2","1") = "9"
    & skf18("8","10","6","7","3","3","1") = "9"
    & skf18("8","10","6","7","3","4","1") = "9"
    & skf18("8","10","6","7","3","5","1") = "9"
    & skf18("8","10","6","7","3","6","1") = "9"
    & skf18("8","10","6","7","3","7","1") = "9"
    & skf18("8","10","6","7","3","8","1") = "9"
    & skf18("8","10","6","7","3","9","1") = "9"
    & skf18("8","10","6","7","3","10","1") = "9"
    & skf18("8","10","6","7","4","1","1") = "9"
    & skf18("8","10","6","7","4","2","1") = "9"
    & skf18("8","10","6","7","4","3","1") = "9"
    & skf18("8","10","6","7","4","4","1") = "9"
    & skf18("8","10","6","7","4","5","1") = "9"
    & skf18("8","10","6","7","4","6","1") = "9"
    & skf18("8","10","6","7","4","7","1") = "9"
    & skf18("8","10","6","7","4","8","1") = "9"
    & skf18("8","10","6","7","4","9","1") = "9"
    & skf18("8","10","6","7","4","10","1") = "9"
    & skf18("8","10","6","7","5","1","1") = "9"
    & skf18("8","10","6","7","5","2","1") = "9"
    & skf18("8","10","6","7","5","3","1") = "9"
    & skf18("8","10","6","7","5","4","1") = "9"
    & skf18("8","10","6","7","5","5","1") = "9"
    & skf18("8","10","6","7","5","6","1") = "9"
    & skf18("8","10","6","7","5","7","1") = "9"
    & skf18("8","10","6","7","5","8","1") = "9"
    & skf18("8","10","6","7","5","9","1") = "9"
    & skf18("8","10","6","7","5","10","1") = "9"
    & skf18("8","10","6","7","6","1","1") = "9"
    & skf18("8","10","6","7","6","2","1") = "9"
    & skf18("8","10","6","7","6","3","1") = "9"
    & skf18("8","10","6","7","6","4","1") = "9"
    & skf18("8","10","6","7","6","5","1") = "9"
    & skf18("8","10","6","7","6","6","1") = "9"
    & skf18("8","10","6","7","6","7","1") = "9"
    & skf18("8","10","6","7","6","8","1") = "9"
    & skf18("8","10","6","7","6","9","1") = "9"
    & skf18("8","10","6","7","6","10","1") = "9"
    & skf18("8","10","6","7","7","1","1") = "9"
    & skf18("8","10","6","7","7","2","1") = "9"
    & skf18("8","10","6","7","7","3","1") = "9"
    & skf18("8","10","6","7","7","4","1") = "9"
    & skf18("8","10","6","7","7","5","1") = "9"
    & skf18("8","10","6","7","7","6","1") = "9"
    & skf18("8","10","6","7","7","7","1") = "9"
    & skf18("8","10","6","7","7","8","1") = "9"
    & skf18("8","10","6","7","7","9","1") = "9"
    & skf18("8","10","6","7","7","10","1") = "9"
    & skf18("8","10","6","7","8","1","1") = "9"
    & skf18("8","10","6","7","8","2","1") = "9"
    & skf18("8","10","6","7","8","3","1") = "9"
    & skf18("8","10","6","7","8","4","1") = "9"
    & skf18("8","10","6","7","8","5","1") = "9"
    & skf18("8","10","6","7","8","6","1") = "9"
    & skf18("8","10","6","7","8","7","1") = "9"
    & skf18("8","10","6","7","8","8","1") = "9"
    & skf18("8","10","6","7","8","9","1") = "9"
    & skf18("8","10","6","7","8","10","1") = "9"
    & skf18("8","10","6","7","9","1","1") = "9"
    & skf18("8","10","6","7","9","2","1") = "9"
    & skf18("8","10","6","7","9","3","1") = "9"
    & skf18("8","10","6","7","9","4","1") = "9"
    & skf18("8","10","6","7","9","5","1") = "9"
    & skf18("8","10","6","7","9","6","1") = "9"
    & skf18("8","10","6","7","9","7","1") = "9"
    & skf18("8","10","6","7","9","8","1") = "9"
    & skf18("8","10","6","7","9","9","1") = "9"
    & skf18("8","10","6","7","9","10","1") = "9"
    & skf18("8","10","6","7","10","1","1") = "9"
    & skf18("8","10","6","7","10","2","1") = "9"
    & skf18("8","10","6","7","10","3","1") = "9"
    & skf18("8","10","6","7","10","4","1") = "9"
    & skf18("8","10","6","7","10","5","1") = "9"
    & skf18("8","10","6","7","10","6","1") = "9"
    & skf18("8","10","6","7","10","7","1") = "9"
    & skf18("8","10","6","7","10","8","1") = "9"
    & skf18("8","10","6","7","10","9","1") = "9"
    & skf18("8","10","6","7","10","10","1") = "9"
    & skf18("8","10","6","8","1","1","1") = "9"
    & skf18("8","10","6","8","1","2","1") = "9"
    & skf18("8","10","6","8","1","3","1") = "9"
    & skf18("8","10","6","8","1","4","1") = "9"
    & skf18("8","10","6","8","1","5","1") = "9"
    & skf18("8","10","6","8","1","6","1") = "9"
    & skf18("8","10","6","8","1","7","1") = "9"
    & skf18("8","10","6","8","1","8","1") = "9"
    & skf18("8","10","6","8","1","9","1") = "9"
    & skf18("8","10","6","8","1","10","1") = "9"
    & skf18("8","10","6","8","2","1","1") = "9"
    & skf18("8","10","6","8","2","2","1") = "9"
    & skf18("8","10","6","8","2","3","1") = "9"
    & skf18("8","10","6","8","2","4","1") = "9"
    & skf18("8","10","6","8","2","5","1") = "9"
    & skf18("8","10","6","8","2","6","1") = "9"
    & skf18("8","10","6","8","2","7","1") = "9"
    & skf18("8","10","6","8","2","8","1") = "9"
    & skf18("8","10","6","8","2","9","1") = "9"
    & skf18("8","10","6","8","2","10","1") = "9"
    & skf18("8","10","6","8","3","1","1") = "9"
    & skf18("8","10","6","8","3","2","1") = "9"
    & skf18("8","10","6","8","3","3","1") = "9"
    & skf18("8","10","6","8","3","4","1") = "9"
    & skf18("8","10","6","8","3","5","1") = "9"
    & skf18("8","10","6","8","3","6","1") = "9"
    & skf18("8","10","6","8","3","7","1") = "9"
    & skf18("8","10","6","8","3","8","1") = "9"
    & skf18("8","10","6","8","3","9","1") = "9"
    & skf18("8","10","6","8","3","10","1") = "9"
    & skf18("8","10","6","8","4","1","1") = "9"
    & skf18("8","10","6","8","4","2","1") = "9"
    & skf18("8","10","6","8","4","3","1") = "9"
    & skf18("8","10","6","8","4","4","1") = "9"
    & skf18("8","10","6","8","4","5","1") = "9"
    & skf18("8","10","6","8","4","6","1") = "9"
    & skf18("8","10","6","8","4","7","1") = "9"
    & skf18("8","10","6","8","4","8","1") = "9"
    & skf18("8","10","6","8","4","9","1") = "9"
    & skf18("8","10","6","8","4","10","1") = "9"
    & skf18("8","10","6","8","5","1","1") = "9"
    & skf18("8","10","6","8","5","2","1") = "9"
    & skf18("8","10","6","8","5","3","1") = "9"
    & skf18("8","10","6","8","5","4","1") = "9"
    & skf18("8","10","6","8","5","5","1") = "9"
    & skf18("8","10","6","8","5","6","1") = "9"
    & skf18("8","10","6","8","5","7","1") = "9"
    & skf18("8","10","6","8","5","8","1") = "9"
    & skf18("8","10","6","8","5","9","1") = "9"
    & skf18("8","10","6","8","5","10","1") = "9"
    & skf18("8","10","6","8","6","1","1") = "9"
    & skf18("8","10","6","8","6","2","1") = "9"
    & skf18("8","10","6","8","6","3","1") = "9"
    & skf18("8","10","6","8","6","4","1") = "9"
    & skf18("8","10","6","8","6","5","1") = "9"
    & skf18("8","10","6","8","6","6","1") = "9"
    & skf18("8","10","6","8","6","7","1") = "9"
    & skf18("8","10","6","8","6","8","1") = "9"
    & skf18("8","10","6","8","6","9","1") = "9"
    & skf18("8","10","6","8","6","10","1") = "9"
    & skf18("8","10","6","8","7","1","1") = "9"
    & skf18("8","10","6","8","7","2","1") = "9"
    & skf18("8","10","6","8","7","3","1") = "9"
    & skf18("8","10","6","8","7","4","1") = "9"
    & skf18("8","10","6","8","7","5","1") = "9"
    & skf18("8","10","6","8","7","6","1") = "9"
    & skf18("8","10","6","8","7","7","1") = "9"
    & skf18("8","10","6","8","7","8","1") = "9"
    & skf18("8","10","6","8","7","9","1") = "9"
    & skf18("8","10","6","8","7","10","1") = "9"
    & skf18("8","10","6","8","8","1","1") = "9"
    & skf18("8","10","6","8","8","2","1") = "9"
    & skf18("8","10","6","8","8","3","1") = "9"
    & skf18("8","10","6","8","8","4","1") = "9"
    & skf18("8","10","6","8","8","5","1") = "9"
    & skf18("8","10","6","8","8","6","1") = "9"
    & skf18("8","10","6","8","8","7","1") = "9"
    & skf18("8","10","6","8","8","8","1") = "9"
    & skf18("8","10","6","8","8","9","1") = "9"
    & skf18("8","10","6","8","8","10","1") = "9"
    & skf18("8","10","6","8","9","1","1") = "9"
    & skf18("8","10","6","8","9","2","1") = "9"
    & skf18("8","10","6","8","9","3","1") = "9"
    & skf18("8","10","6","8","9","4","1") = "9"
    & skf18("8","10","6","8","9","5","1") = "9"
    & skf18("8","10","6","8","9","6","1") = "9"
    & skf18("8","10","6","8","9","7","1") = "9"
    & skf18("8","10","6","8","9","8","1") = "9"
    & skf18("8","10","6","8","9","9","1") = "9"
    & skf18("8","10","6","8","9","10","1") = "9"
    & skf18("8","10","6","8","10","1","1") = "9"
    & skf18("8","10","6","8","10","2","1") = "9"
    & skf18("8","10","6","8","10","3","1") = "9"
    & skf18("8","10","6","8","10","4","1") = "9"
    & skf18("8","10","6","8","10","5","1") = "9"
    & skf18("8","10","6","8","10","6","1") = "9"
    & skf18("8","10","6","8","10","7","1") = "9"
    & skf18("8","10","6","8","10","8","1") = "9"
    & skf18("8","10","6","8","10","9","1") = "9"
    & skf18("8","10","6","8","10","10","1") = "9"
    & skf18("8","10","6","9","1","1","1") = "9"
    & skf18("8","10","6","9","1","2","1") = "9"
    & skf18("8","10","6","9","1","3","1") = "9"
    & skf18("8","10","6","9","1","4","1") = "9"
    & skf18("8","10","6","9","1","5","1") = "9"
    & skf18("8","10","6","9","1","6","1") = "9"
    & skf18("8","10","6","9","1","7","1") = "9"
    & skf18("8","10","6","9","1","8","1") = "9"
    & skf18("8","10","6","9","1","9","1") = "9"
    & skf18("8","10","6","9","1","10","1") = "9"
    & skf18("8","10","6","9","2","1","1") = "9"
    & skf18("8","10","6","9","2","2","1") = "9"
    & skf18("8","10","6","9","2","3","1") = "9"
    & skf18("8","10","6","9","2","4","1") = "9"
    & skf18("8","10","6","9","2","5","1") = "9"
    & skf18("8","10","6","9","2","6","1") = "9"
    & skf18("8","10","6","9","2","7","1") = "9"
    & skf18("8","10","6","9","2","8","1") = "9"
    & skf18("8","10","6","9","2","9","1") = "9"
    & skf18("8","10","6","9","2","10","1") = "9"
    & skf18("8","10","6","9","3","1","1") = "9"
    & skf18("8","10","6","9","3","2","1") = "9"
    & skf18("8","10","6","9","3","3","1") = "9"
    & skf18("8","10","6","9","3","4","1") = "9"
    & skf18("8","10","6","9","3","5","1") = "9"
    & skf18("8","10","6","9","3","6","1") = "9"
    & skf18("8","10","6","9","3","7","1") = "9"
    & skf18("8","10","6","9","3","8","1") = "9"
    & skf18("8","10","6","9","3","9","1") = "9"
    & skf18("8","10","6","9","3","10","1") = "9"
    & skf18("8","10","6","9","4","1","1") = "9"
    & skf18("8","10","6","9","4","2","1") = "9"
    & skf18("8","10","6","9","4","3","1") = "9"
    & skf18("8","10","6","9","4","4","1") = "9"
    & skf18("8","10","6","9","4","5","1") = "9"
    & skf18("8","10","6","9","4","6","1") = "9"
    & skf18("8","10","6","9","4","7","1") = "9"
    & skf18("8","10","6","9","4","8","1") = "9"
    & skf18("8","10","6","9","4","9","1") = "9"
    & skf18("8","10","6","9","4","10","1") = "9"
    & skf18("8","10","6","9","5","1","1") = "9"
    & skf18("8","10","6","9","5","2","1") = "9"
    & skf18("8","10","6","9","5","3","1") = "9"
    & skf18("8","10","6","9","5","4","1") = "9"
    & skf18("8","10","6","9","5","5","1") = "9"
    & skf18("8","10","6","9","5","6","1") = "9"
    & skf18("8","10","6","9","5","7","1") = "9"
    & skf18("8","10","6","9","5","8","1") = "9"
    & skf18("8","10","6","9","5","9","1") = "9"
    & skf18("8","10","6","9","5","10","1") = "9"
    & skf18("8","10","6","9","6","1","1") = "9"
    & skf18("8","10","6","9","6","2","1") = "9"
    & skf18("8","10","6","9","6","3","1") = "9"
    & skf18("8","10","6","9","6","4","1") = "9"
    & skf18("8","10","6","9","6","5","1") = "9"
    & skf18("8","10","6","9","6","6","1") = "9"
    & skf18("8","10","6","9","6","7","1") = "9"
    & skf18("8","10","6","9","6","8","1") = "9"
    & skf18("8","10","6","9","6","9","1") = "9"
    & skf18("8","10","6","9","6","10","1") = "9"
    & skf18("8","10","6","9","7","1","1") = "9"
    & skf18("8","10","6","9","7","2","1") = "9"
    & skf18("8","10","6","9","7","3","1") = "9"
    & skf18("8","10","6","9","7","4","1") = "9"
    & skf18("8","10","6","9","7","5","1") = "9"
    & skf18("8","10","6","9","7","6","1") = "9"
    & skf18("8","10","6","9","7","7","1") = "9"
    & skf18("8","10","6","9","7","8","1") = "9"
    & skf18("8","10","6","9","7","9","1") = "9"
    & skf18("8","10","6","9","7","10","1") = "9"
    & skf18("8","10","6","9","8","1","1") = "9"
    & skf18("8","10","6","9","8","2","1") = "9"
    & skf18("8","10","6","9","8","3","1") = "9"
    & skf18("8","10","6","9","8","4","1") = "9"
    & skf18("8","10","6","9","8","5","1") = "9"
    & skf18("8","10","6","9","8","6","1") = "9"
    & skf18("8","10","6","9","8","7","1") = "9"
    & skf18("8","10","6","9","8","8","1") = "9"
    & skf18("8","10","6","9","8","9","1") = "9"
    & skf18("8","10","6","9","8","10","1") = "9"
    & skf18("8","10","6","9","9","1","1") = "9"
    & skf18("8","10","6","9","9","2","1") = "9"
    & skf18("8","10","6","9","9","3","1") = "9"
    & skf18("8","10","6","9","9","4","1") = "9"
    & skf18("8","10","6","9","9","5","1") = "9"
    & skf18("8","10","6","9","9","6","1") = "9"
    & skf18("8","10","6","9","9","7","1") = "9"
    & skf18("8","10","6","9","9","8","1") = "9"
    & skf18("8","10","6","9","9","9","1") = "9"
    & skf18("8","10","6","9","9","10","1") = "9"
    & skf18("8","10","6","9","10","1","1") = "9"
    & skf18("8","10","6","9","10","2","1") = "9"
    & skf18("8","10","6","9","10","3","1") = "9"
    & skf18("8","10","6","9","10","4","1") = "9"
    & skf18("8","10","6","9","10","5","1") = "9"
    & skf18("8","10","6","9","10","6","1") = "9"
    & skf18("8","10","6","9","10","7","1") = "9"
    & skf18("8","10","6","9","10","8","1") = "9"
    & skf18("8","10","6","9","10","9","1") = "9"
    & skf18("8","10","6","9","10","10","1") = "9"
    & skf18("8","10","6","10","1","1","1") = "9"
    & skf18("8","10","6","10","1","2","1") = "9"
    & skf18("8","10","6","10","1","3","1") = "9"
    & skf18("8","10","6","10","1","4","1") = "9"
    & skf18("8","10","6","10","1","5","1") = "9"
    & skf18("8","10","6","10","1","6","1") = "9"
    & skf18("8","10","6","10","1","7","1") = "9"
    & skf18("8","10","6","10","1","8","1") = "9"
    & skf18("8","10","6","10","1","9","1") = "9"
    & skf18("8","10","6","10","1","10","1") = "9"
    & skf18("8","10","6","10","2","1","1") = "9"
    & skf18("8","10","6","10","2","2","1") = "9"
    & skf18("8","10","6","10","2","3","1") = "9"
    & skf18("8","10","6","10","2","4","1") = "9"
    & skf18("8","10","6","10","2","5","1") = "9"
    & skf18("8","10","6","10","2","6","1") = "9"
    & skf18("8","10","6","10","2","7","1") = "9"
    & skf18("8","10","6","10","2","8","1") = "9"
    & skf18("8","10","6","10","2","9","1") = "9"
    & skf18("8","10","6","10","2","10","1") = "9"
    & skf18("8","10","6","10","3","1","1") = "9"
    & skf18("8","10","6","10","3","2","1") = "9"
    & skf18("8","10","6","10","3","3","1") = "9"
    & skf18("8","10","6","10","3","4","1") = "9"
    & skf18("8","10","6","10","3","5","1") = "9"
    & skf18("8","10","6","10","3","6","1") = "9"
    & skf18("8","10","6","10","3","7","1") = "9"
    & skf18("8","10","6","10","3","8","1") = "9"
    & skf18("8","10","6","10","3","9","1") = "9"
    & skf18("8","10","6","10","3","10","1") = "9"
    & skf18("8","10","6","10","4","1","1") = "9"
    & skf18("8","10","6","10","4","2","1") = "9"
    & skf18("8","10","6","10","4","3","1") = "9"
    & skf18("8","10","6","10","4","4","1") = "9"
    & skf18("8","10","6","10","4","5","1") = "9"
    & skf18("8","10","6","10","4","6","1") = "9"
    & skf18("8","10","6","10","4","7","1") = "9"
    & skf18("8","10","6","10","4","8","1") = "9"
    & skf18("8","10","6","10","4","9","1") = "9"
    & skf18("8","10","6","10","4","10","1") = "9"
    & skf18("8","10","6","10","5","1","1") = "9"
    & skf18("8","10","6","10","5","2","1") = "9"
    & skf18("8","10","6","10","5","3","1") = "9"
    & skf18("8","10","6","10","5","4","1") = "9"
    & skf18("8","10","6","10","5","5","1") = "9"
    & skf18("8","10","6","10","5","6","1") = "9"
    & skf18("8","10","6","10","5","7","1") = "9"
    & skf18("8","10","6","10","5","8","1") = "9"
    & skf18("8","10","6","10","5","9","1") = "9"
    & skf18("8","10","6","10","5","10","1") = "9"
    & skf18("8","10","6","10","6","1","1") = "9"
    & skf18("8","10","6","10","6","2","1") = "9"
    & skf18("8","10","6","10","6","3","1") = "9"
    & skf18("8","10","6","10","6","4","1") = "9"
    & skf18("8","10","6","10","6","5","1") = "9"
    & skf18("8","10","6","10","6","6","1") = "9"
    & skf18("8","10","6","10","6","7","1") = "9"
    & skf18("8","10","6","10","6","8","1") = "9"
    & skf18("8","10","6","10","6","9","1") = "9"
    & skf18("8","10","6","10","6","10","1") = "9"
    & skf18("8","10","6","10","7","1","1") = "9"
    & skf18("8","10","6","10","7","2","1") = "9"
    & skf18("8","10","6","10","7","3","1") = "9"
    & skf18("8","10","6","10","7","4","1") = "9"
    & skf18("8","10","6","10","7","5","1") = "9"
    & skf18("8","10","6","10","7","6","1") = "9"
    & skf18("8","10","6","10","7","7","1") = "9"
    & skf18("8","10","6","10","7","8","1") = "9"
    & skf18("8","10","6","10","7","9","1") = "9"
    & skf18("8","10","6","10","7","10","1") = "9"
    & skf18("8","10","6","10","8","1","1") = "9"
    & skf18("8","10","6","10","8","2","1") = "9"
    & skf18("8","10","6","10","8","3","1") = "9"
    & skf18("8","10","6","10","8","4","1") = "9"
    & skf18("8","10","6","10","8","5","1") = "9"
    & skf18("8","10","6","10","8","6","1") = "9"
    & skf18("8","10","6","10","8","7","1") = "9"
    & skf18("8","10","6","10","8","8","1") = "9"
    & skf18("8","10","6","10","8","9","1") = "9"
    & skf18("8","10","6","10","8","10","1") = "9"
    & skf18("8","10","6","10","9","1","1") = "9"
    & skf18("8","10","6","10","9","2","1") = "9"
    & skf18("8","10","6","10","9","3","1") = "9"
    & skf18("8","10","6","10","9","4","1") = "9"
    & skf18("8","10","6","10","9","5","1") = "9"
    & skf18("8","10","6","10","9","6","1") = "9"
    & skf18("8","10","6","10","9","7","1") = "9"
    & skf18("8","10","6","10","9","8","1") = "9"
    & skf18("8","10","6","10","9","9","1") = "9"
    & skf18("8","10","6","10","9","10","1") = "9"
    & skf18("8","10","6","10","10","1","1") = "9"
    & skf18("8","10","6","10","10","2","1") = "9"
    & skf18("8","10","6","10","10","3","1") = "9"
    & skf18("8","10","6","10","10","4","1") = "9"
    & skf18("8","10","6","10","10","5","1") = "9"
    & skf18("8","10","6","10","10","6","1") = "9"
    & skf18("8","10","6","10","10","7","1") = "9"
    & skf18("8","10","6","10","10","8","1") = "9"
    & skf18("8","10","6","10","10","9","1") = "9"
    & skf18("8","10","6","10","10","10","1") = "9"
    & skf18("8","10","7","1","1","1","1") = "9"
    & skf18("8","10","7","1","1","2","1") = "9"
    & skf18("8","10","7","1","1","3","1") = "9"
    & skf18("8","10","7","1","1","4","1") = "9"
    & skf18("8","10","7","1","1","5","1") = "9"
    & skf18("8","10","7","1","1","6","1") = "9"
    & skf18("8","10","7","1","1","7","1") = "9"
    & skf18("8","10","7","1","1","8","1") = "9"
    & skf18("8","10","7","1","1","9","1") = "9"
    & skf18("8","10","7","1","1","10","1") = "9"
    & skf18("8","10","7","1","2","1","1") = "9"
    & skf18("8","10","7","1","2","2","1") = "9"
    & skf18("8","10","7","1","2","3","1") = "9"
    & skf18("8","10","7","1","2","4","1") = "9"
    & skf18("8","10","7","1","2","5","1") = "9"
    & skf18("8","10","7","1","2","6","1") = "9"
    & skf18("8","10","7","1","2","7","1") = "9"
    & skf18("8","10","7","1","2","8","1") = "9"
    & skf18("8","10","7","1","2","9","1") = "9"
    & skf18("8","10","7","1","2","10","1") = "9"
    & skf18("8","10","7","1","3","1","1") = "9"
    & skf18("8","10","7","1","3","2","1") = "9"
    & skf18("8","10","7","1","3","3","1") = "9"
    & skf18("8","10","7","1","3","4","1") = "9"
    & skf18("8","10","7","1","3","5","1") = "9"
    & skf18("8","10","7","1","3","6","1") = "9"
    & skf18("8","10","7","1","3","7","1") = "9"
    & skf18("8","10","7","1","3","8","1") = "9"
    & skf18("8","10","7","1","3","9","1") = "9"
    & skf18("8","10","7","1","3","10","1") = "9"
    & skf18("8","10","7","1","4","1","1") = "9"
    & skf18("8","10","7","1","4","2","1") = "9"
    & skf18("8","10","7","1","4","3","1") = "9"
    & skf18("8","10","7","1","4","4","1") = "9"
    & skf18("8","10","7","1","4","5","1") = "9"
    & skf18("8","10","7","1","4","6","1") = "9"
    & skf18("8","10","7","1","4","7","1") = "9"
    & skf18("8","10","7","1","4","8","1") = "9"
    & skf18("8","10","7","1","4","9","1") = "9"
    & skf18("8","10","7","1","4","10","1") = "9"
    & skf18("8","10","7","1","5","1","1") = "9"
    & skf18("8","10","7","1","5","2","1") = "9"
    & skf18("8","10","7","1","5","3","1") = "9"
    & skf18("8","10","7","1","5","4","1") = "9"
    & skf18("8","10","7","1","5","5","1") = "9"
    & skf18("8","10","7","1","5","6","1") = "9"
    & skf18("8","10","7","1","5","7","1") = "9"
    & skf18("8","10","7","1","5","8","1") = "9"
    & skf18("8","10","7","1","5","9","1") = "9"
    & skf18("8","10","7","1","5","10","1") = "9"
    & skf18("8","10","7","1","6","1","1") = "9"
    & skf18("8","10","7","1","6","2","1") = "9"
    & skf18("8","10","7","1","6","3","1") = "9"
    & skf18("8","10","7","1","6","4","1") = "9"
    & skf18("8","10","7","1","6","5","1") = "9"
    & skf18("8","10","7","1","6","6","1") = "9"
    & skf18("8","10","7","1","6","7","1") = "9"
    & skf18("8","10","7","1","6","8","1") = "9"
    & skf18("8","10","7","1","6","9","1") = "9"
    & skf18("8","10","7","1","6","10","1") = "9"
    & skf18("8","10","7","1","7","1","1") = "9"
    & skf18("8","10","7","1","7","2","1") = "9"
    & skf18("8","10","7","1","7","3","1") = "9"
    & skf18("8","10","7","1","7","4","1") = "9"
    & skf18("8","10","7","1","7","5","1") = "9"
    & skf18("8","10","7","1","7","6","1") = "9"
    & skf18("8","10","7","1","7","7","1") = "9"
    & skf18("8","10","7","1","7","8","1") = "9"
    & skf18("8","10","7","1","7","9","1") = "9"
    & skf18("8","10","7","1","7","10","1") = "9"
    & skf18("8","10","7","1","8","1","1") = "9"
    & skf18("8","10","7","1","8","2","1") = "9"
    & skf18("8","10","7","1","8","3","1") = "9"
    & skf18("8","10","7","1","8","4","1") = "9"
    & skf18("8","10","7","1","8","5","1") = "9"
    & skf18("8","10","7","1","8","6","1") = "9"
    & skf18("8","10","7","1","8","7","1") = "9"
    & skf18("8","10","7","1","8","8","1") = "9"
    & skf18("8","10","7","1","8","9","1") = "9"
    & skf18("8","10","7","1","8","10","1") = "9"
    & skf18("8","10","7","1","9","1","1") = "9"
    & skf18("8","10","7","1","9","2","1") = "9"
    & skf18("8","10","7","1","9","3","1") = "9"
    & skf18("8","10","7","1","9","4","1") = "9"
    & skf18("8","10","7","1","9","5","1") = "9"
    & skf18("8","10","7","1","9","6","1") = "9"
    & skf18("8","10","7","1","9","7","1") = "9"
    & skf18("8","10","7","1","9","8","1") = "9"
    & skf18("8","10","7","1","9","9","1") = "9"
    & skf18("8","10","7","1","9","10","1") = "9"
    & skf18("8","10","7","1","10","1","1") = "9"
    & skf18("8","10","7","1","10","2","1") = "9"
    & skf18("8","10","7","1","10","3","1") = "9"
    & skf18("8","10","7","1","10","4","1") = "9"
    & skf18("8","10","7","1","10","5","1") = "9"
    & skf18("8","10","7","1","10","6","1") = "9"
    & skf18("8","10","7","1","10","7","1") = "9"
    & skf18("8","10","7","1","10","8","1") = "9"
    & skf18("8","10","7","1","10","9","1") = "9"
    & skf18("8","10","7","1","10","10","1") = "9"
    & skf18("8","10","7","2","1","1","1") = "9"
    & skf18("8","10","7","2","1","2","1") = "9"
    & skf18("8","10","7","2","1","3","1") = "9"
    & skf18("8","10","7","2","1","4","1") = "9"
    & skf18("8","10","7","2","1","5","1") = "9"
    & skf18("8","10","7","2","1","6","1") = "9"
    & skf18("8","10","7","2","1","7","1") = "9"
    & skf18("8","10","7","2","1","8","1") = "9"
    & skf18("8","10","7","2","1","9","1") = "9"
    & skf18("8","10","7","2","1","10","1") = "9"
    & skf18("8","10","7","2","2","1","1") = "9"
    & skf18("8","10","7","2","2","2","1") = "9"
    & skf18("8","10","7","2","2","3","1") = "9"
    & skf18("8","10","7","2","2","4","1") = "9"
    & skf18("8","10","7","2","2","5","1") = "9"
    & skf18("8","10","7","2","2","6","1") = "9"
    & skf18("8","10","7","2","2","7","1") = "9"
    & skf18("8","10","7","2","2","8","1") = "9"
    & skf18("8","10","7","2","2","9","1") = "9"
    & skf18("8","10","7","2","2","10","1") = "9"
    & skf18("8","10","7","2","3","1","1") = "9"
    & skf18("8","10","7","2","3","2","1") = "9"
    & skf18("8","10","7","2","3","3","1") = "9"
    & skf18("8","10","7","2","3","4","1") = "9"
    & skf18("8","10","7","2","3","5","1") = "9"
    & skf18("8","10","7","2","3","6","1") = "9"
    & skf18("8","10","7","2","3","7","1") = "9"
    & skf18("8","10","7","2","3","8","1") = "9"
    & skf18("8","10","7","2","3","9","1") = "9"
    & skf18("8","10","7","2","3","10","1") = "9"
    & skf18("8","10","7","2","4","1","1") = "9"
    & skf18("8","10","7","2","4","2","1") = "9"
    & skf18("8","10","7","2","4","3","1") = "9"
    & skf18("8","10","7","2","4","4","1") = "9"
    & skf18("8","10","7","2","4","5","1") = "9"
    & skf18("8","10","7","2","4","6","1") = "9"
    & skf18("8","10","7","2","4","7","1") = "9"
    & skf18("8","10","7","2","4","8","1") = "9"
    & skf18("8","10","7","2","4","9","1") = "9"
    & skf18("8","10","7","2","4","10","1") = "9"
    & skf18("8","10","7","2","5","1","1") = "9"
    & skf18("8","10","7","2","5","2","1") = "9"
    & skf18("8","10","7","2","5","3","1") = "9"
    & skf18("8","10","7","2","5","4","1") = "9"
    & skf18("8","10","7","2","5","5","1") = "9"
    & skf18("8","10","7","2","5","6","1") = "9"
    & skf18("8","10","7","2","5","7","1") = "9"
    & skf18("8","10","7","2","5","8","1") = "9"
    & skf18("8","10","7","2","5","9","1") = "9"
    & skf18("8","10","7","2","5","10","1") = "9"
    & skf18("8","10","7","2","6","1","1") = "9"
    & skf18("8","10","7","2","6","2","1") = "9"
    & skf18("8","10","7","2","6","3","1") = "9"
    & skf18("8","10","7","2","6","4","1") = "9"
    & skf18("8","10","7","2","6","5","1") = "9"
    & skf18("8","10","7","2","6","6","1") = "9"
    & skf18("8","10","7","2","6","7","1") = "9"
    & skf18("8","10","7","2","6","8","1") = "9"
    & skf18("8","10","7","2","6","9","1") = "9"
    & skf18("8","10","7","2","6","10","1") = "9"
    & skf18("8","10","7","2","7","1","1") = "9"
    & skf18("8","10","7","2","7","2","1") = "9"
    & skf18("8","10","7","2","7","3","1") = "9"
    & skf18("8","10","7","2","7","4","1") = "9"
    & skf18("8","10","7","2","7","5","1") = "9"
    & skf18("8","10","7","2","7","6","1") = "9"
    & skf18("8","10","7","2","7","7","1") = "9"
    & skf18("8","10","7","2","7","8","1") = "9"
    & skf18("8","10","7","2","7","9","1") = "9"
    & skf18("8","10","7","2","7","10","1") = "9"
    & skf18("8","10","7","2","8","1","1") = "9"
    & skf18("8","10","7","2","8","2","1") = "9"
    & skf18("8","10","7","2","8","3","1") = "9"
    & skf18("8","10","7","2","8","4","1") = "9"
    & skf18("8","10","7","2","8","5","1") = "9"
    & skf18("8","10","7","2","8","6","1") = "9"
    & skf18("8","10","7","2","8","7","1") = "9"
    & skf18("8","10","7","2","8","8","1") = "9"
    & skf18("8","10","7","2","8","9","1") = "9"
    & skf18("8","10","7","2","8","10","1") = "9"
    & skf18("8","10","7","2","9","1","1") = "9"
    & skf18("8","10","7","2","9","2","1") = "9"
    & skf18("8","10","7","2","9","3","1") = "9"
    & skf18("8","10","7","2","9","4","1") = "9"
    & skf18("8","10","7","2","9","5","1") = "9"
    & skf18("8","10","7","2","9","6","1") = "9"
    & skf18("8","10","7","2","9","7","1") = "9"
    & skf18("8","10","7","2","9","8","1") = "9"
    & skf18("8","10","7","2","9","9","1") = "9"
    & skf18("8","10","7","2","9","10","1") = "9"
    & skf18("8","10","7","2","10","1","1") = "9"
    & skf18("8","10","7","2","10","2","1") = "9"
    & skf18("8","10","7","2","10","3","1") = "9"
    & skf18("8","10","7","2","10","4","1") = "9"
    & skf18("8","10","7","2","10","5","1") = "9"
    & skf18("8","10","7","2","10","6","1") = "9"
    & skf18("8","10","7","2","10","7","1") = "9"
    & skf18("8","10","7","2","10","8","1") = "9"
    & skf18("8","10","7","2","10","9","1") = "9"
    & skf18("8","10","7","2","10","10","1") = "9"
    & skf18("8","10","7","3","1","1","1") = "9"
    & skf18("8","10","7","3","1","2","1") = "9"
    & skf18("8","10","7","3","1","3","1") = "9"
    & skf18("8","10","7","3","1","4","1") = "9"
    & skf18("8","10","7","3","1","5","1") = "9"
    & skf18("8","10","7","3","1","6","1") = "9"
    & skf18("8","10","7","3","1","7","1") = "9"
    & skf18("8","10","7","3","1","8","1") = "9"
    & skf18("8","10","7","3","1","9","1") = "9"
    & skf18("8","10","7","3","1","10","1") = "9"
    & skf18("8","10","7","3","2","1","1") = "9"
    & skf18("8","10","7","3","2","2","1") = "9"
    & skf18("8","10","7","3","2","3","1") = "9"
    & skf18("8","10","7","3","2","4","1") = "9"
    & skf18("8","10","7","3","2","5","1") = "9"
    & skf18("8","10","7","3","2","6","1") = "9"
    & skf18("8","10","7","3","2","7","1") = "9"
    & skf18("8","10","7","3","2","8","1") = "9"
    & skf18("8","10","7","3","2","9","1") = "9"
    & skf18("8","10","7","3","2","10","1") = "9"
    & skf18("8","10","7","3","3","1","1") = "9"
    & skf18("8","10","7","3","3","2","1") = "9"
    & skf18("8","10","7","3","3","3","1") = "9"
    & skf18("8","10","7","3","3","4","1") = "9"
    & skf18("8","10","7","3","3","5","1") = "9"
    & skf18("8","10","7","3","3","6","1") = "9"
    & skf18("8","10","7","3","3","7","1") = "9"
    & skf18("8","10","7","3","3","8","1") = "9"
    & skf18("8","10","7","3","3","9","1") = "9"
    & skf18("8","10","7","3","3","10","1") = "9"
    & skf18("8","10","7","3","4","1","1") = "9"
    & skf18("8","10","7","3","4","2","1") = "9"
    & skf18("8","10","7","3","4","3","1") = "9"
    & skf18("8","10","7","3","4","4","1") = "9"
    & skf18("8","10","7","3","4","5","1") = "9"
    & skf18("8","10","7","3","4","6","1") = "9"
    & skf18("8","10","7","3","4","7","1") = "9"
    & skf18("8","10","7","3","4","8","1") = "9"
    & skf18("8","10","7","3","4","9","1") = "9"
    & skf18("8","10","7","3","4","10","1") = "9"
    & skf18("8","10","7","3","5","1","1") = "9"
    & skf18("8","10","7","3","5","2","1") = "9"
    & skf18("8","10","7","3","5","3","1") = "9"
    & skf18("8","10","7","3","5","4","1") = "9"
    & skf18("8","10","7","3","5","5","1") = "9"
    & skf18("8","10","7","3","5","6","1") = "9"
    & skf18("8","10","7","3","5","7","1") = "9"
    & skf18("8","10","7","3","5","8","1") = "9"
    & skf18("8","10","7","3","5","9","1") = "9"
    & skf18("8","10","7","3","5","10","1") = "9"
    & skf18("8","10","7","3","6","1","1") = "9"
    & skf18("8","10","7","3","6","2","1") = "9"
    & skf18("8","10","7","3","6","3","1") = "9"
    & skf18("8","10","7","3","6","4","1") = "9"
    & skf18("8","10","7","3","6","5","1") = "9"
    & skf18("8","10","7","3","6","6","1") = "9"
    & skf18("8","10","7","3","6","7","1") = "9"
    & skf18("8","10","7","3","6","8","1") = "9"
    & skf18("8","10","7","3","6","9","1") = "9"
    & skf18("8","10","7","3","6","10","1") = "9"
    & skf18("8","10","7","3","7","1","1") = "9"
    & skf18("8","10","7","3","7","2","1") = "9"
    & skf18("8","10","7","3","7","3","1") = "9"
    & skf18("8","10","7","3","7","4","1") = "9"
    & skf18("8","10","7","3","7","5","1") = "9"
    & skf18("8","10","7","3","7","6","1") = "9"
    & skf18("8","10","7","3","7","7","1") = "9"
    & skf18("8","10","7","3","7","8","1") = "9"
    & skf18("8","10","7","3","7","9","1") = "9"
    & skf18("8","10","7","3","7","10","1") = "9"
    & skf18("8","10","7","3","8","1","1") = "9"
    & skf18("8","10","7","3","8","2","1") = "9"
    & skf18("8","10","7","3","8","3","1") = "9"
    & skf18("8","10","7","3","8","4","1") = "9"
    & skf18("8","10","7","3","8","5","1") = "9"
    & skf18("8","10","7","3","8","6","1") = "9"
    & skf18("8","10","7","3","8","7","1") = "9"
    & skf18("8","10","7","3","8","8","1") = "9"
    & skf18("8","10","7","3","8","9","1") = "9"
    & skf18("8","10","7","3","8","10","1") = "9"
    & skf18("8","10","7","3","9","1","1") = "9"
    & skf18("8","10","7","3","9","2","1") = "9"
    & skf18("8","10","7","3","9","3","1") = "9"
    & skf18("8","10","7","3","9","4","1") = "9"
    & skf18("8","10","7","3","9","5","1") = "9"
    & skf18("8","10","7","3","9","6","1") = "9"
    & skf18("8","10","7","3","9","7","1") = "9"
    & skf18("8","10","7","3","9","8","1") = "9"
    & skf18("8","10","7","3","9","9","1") = "9"
    & skf18("8","10","7","3","9","10","1") = "9"
    & skf18("8","10","7","3","10","1","1") = "9"
    & skf18("8","10","7","3","10","2","1") = "9"
    & skf18("8","10","7","3","10","3","1") = "9"
    & skf18("8","10","7","3","10","4","1") = "9"
    & skf18("8","10","7","3","10","5","1") = "9"
    & skf18("8","10","7","3","10","6","1") = "9"
    & skf18("8","10","7","3","10","7","1") = "9"
    & skf18("8","10","7","3","10","8","1") = "9"
    & skf18("8","10","7","3","10","9","1") = "9"
    & skf18("8","10","7","3","10","10","1") = "9"
    & skf18("8","10","7","4","1","1","1") = "9"
    & skf18("8","10","7","4","1","2","1") = "9"
    & skf18("8","10","7","4","1","3","1") = "9"
    & skf18("8","10","7","4","1","4","1") = "9"
    & skf18("8","10","7","4","1","5","1") = "9"
    & skf18("8","10","7","4","1","6","1") = "9"
    & skf18("8","10","7","4","1","7","1") = "9"
    & skf18("8","10","7","4","1","8","1") = "9"
    & skf18("8","10","7","4","1","9","1") = "9"
    & skf18("8","10","7","4","1","10","1") = "9"
    & skf18("8","10","7","4","2","1","1") = "9"
    & skf18("8","10","7","4","2","2","1") = "9"
    & skf18("8","10","7","4","2","3","1") = "9"
    & skf18("8","10","7","4","2","4","1") = "9"
    & skf18("8","10","7","4","2","5","1") = "9"
    & skf18("8","10","7","4","2","6","1") = "9"
    & skf18("8","10","7","4","2","7","1") = "9"
    & skf18("8","10","7","4","2","8","1") = "9"
    & skf18("8","10","7","4","2","9","1") = "9"
    & skf18("8","10","7","4","2","10","1") = "9"
    & skf18("8","10","7","4","3","1","1") = "9"
    & skf18("8","10","7","4","3","2","1") = "9"
    & skf18("8","10","7","4","3","3","1") = "9"
    & skf18("8","10","7","4","3","4","1") = "9"
    & skf18("8","10","7","4","3","5","1") = "9"
    & skf18("8","10","7","4","3","6","1") = "9"
    & skf18("8","10","7","4","3","7","1") = "9"
    & skf18("8","10","7","4","3","8","1") = "9"
    & skf18("8","10","7","4","3","9","1") = "9"
    & skf18("8","10","7","4","3","10","1") = "9"
    & skf18("8","10","7","4","4","1","1") = "9"
    & skf18("8","10","7","4","4","2","1") = "9"
    & skf18("8","10","7","4","4","3","1") = "9"
    & skf18("8","10","7","4","4","4","1") = "9"
    & skf18("8","10","7","4","4","5","1") = "9"
    & skf18("8","10","7","4","4","6","1") = "9"
    & skf18("8","10","7","4","4","7","1") = "9"
    & skf18("8","10","7","4","4","8","1") = "9"
    & skf18("8","10","7","4","4","9","1") = "9"
    & skf18("8","10","7","4","4","10","1") = "9"
    & skf18("8","10","7","4","5","1","1") = "9"
    & skf18("8","10","7","4","5","2","1") = "9"
    & skf18("8","10","7","4","5","3","1") = "9"
    & skf18("8","10","7","4","5","4","1") = "9"
    & skf18("8","10","7","4","5","5","1") = "9"
    & skf18("8","10","7","4","5","6","1") = "9"
    & skf18("8","10","7","4","5","7","1") = "9"
    & skf18("8","10","7","4","5","8","1") = "9"
    & skf18("8","10","7","4","5","9","1") = "9"
    & skf18("8","10","7","4","5","10","1") = "9"
    & skf18("8","10","7","4","6","1","1") = "9"
    & skf18("8","10","7","4","6","2","1") = "9"
    & skf18("8","10","7","4","6","3","1") = "9"
    & skf18("8","10","7","4","6","4","1") = "9"
    & skf18("8","10","7","4","6","5","1") = "9"
    & skf18("8","10","7","4","6","6","1") = "9"
    & skf18("8","10","7","4","6","7","1") = "9"
    & skf18("8","10","7","4","6","8","1") = "9"
    & skf18("8","10","7","4","6","9","1") = "9"
    & skf18("8","10","7","4","6","10","1") = "9"
    & skf18("8","10","7","4","7","1","1") = "9"
    & skf18("8","10","7","4","7","2","1") = "9"
    & skf18("8","10","7","4","7","3","1") = "9"
    & skf18("8","10","7","4","7","4","1") = "9"
    & skf18("8","10","7","4","7","5","1") = "9"
    & skf18("8","10","7","4","7","6","1") = "9"
    & skf18("8","10","7","4","7","7","1") = "9"
    & skf18("8","10","7","4","7","8","1") = "9"
    & skf18("8","10","7","4","7","9","1") = "9"
    & skf18("8","10","7","4","7","10","1") = "9"
    & skf18("8","10","7","4","8","1","1") = "9"
    & skf18("8","10","7","4","8","2","1") = "9"
    & skf18("8","10","7","4","8","3","1") = "9"
    & skf18("8","10","7","4","8","4","1") = "9"
    & skf18("8","10","7","4","8","5","1") = "9"
    & skf18("8","10","7","4","8","6","1") = "9"
    & skf18("8","10","7","4","8","7","1") = "9"
    & skf18("8","10","7","4","8","8","1") = "9"
    & skf18("8","10","7","4","8","9","1") = "9"
    & skf18("8","10","7","4","8","10","1") = "9"
    & skf18("8","10","7","4","9","1","1") = "9"
    & skf18("8","10","7","4","9","2","1") = "9"
    & skf18("8","10","7","4","9","3","1") = "9"
    & skf18("8","10","7","4","9","4","1") = "9"
    & skf18("8","10","7","4","9","5","1") = "9"
    & skf18("8","10","7","4","9","6","1") = "9"
    & skf18("8","10","7","4","9","7","1") = "9"
    & skf18("8","10","7","4","9","8","1") = "9"
    & skf18("8","10","7","4","9","9","1") = "9"
    & skf18("8","10","7","4","9","10","1") = "9"
    & skf18("8","10","7","4","10","1","1") = "9"
    & skf18("8","10","7","4","10","2","1") = "9"
    & skf18("8","10","7","4","10","3","1") = "9"
    & skf18("8","10","7","4","10","4","1") = "9"
    & skf18("8","10","7","4","10","5","1") = "9"
    & skf18("8","10","7","4","10","6","1") = "9"
    & skf18("8","10","7","4","10","7","1") = "9"
    & skf18("8","10","7","4","10","8","1") = "9"
    & skf18("8","10","7","4","10","9","1") = "9"
    & skf18("8","10","7","4","10","10","1") = "9"
    & skf18("8","10","7","5","1","1","1") = "9"
    & skf18("8","10","7","5","1","2","1") = "9"
    & skf18("8","10","7","5","1","3","1") = "9"
    & skf18("8","10","7","5","1","4","1") = "9"
    & skf18("8","10","7","5","1","5","1") = "9"
    & skf18("8","10","7","5","1","6","1") = "9"
    & skf18("8","10","7","5","1","7","1") = "9"
    & skf18("8","10","7","5","1","8","1") = "9"
    & skf18("8","10","7","5","1","9","1") = "9"
    & skf18("8","10","7","5","1","10","1") = "9"
    & skf18("8","10","7","5","2","1","1") = "9"
    & skf18("8","10","7","5","2","2","1") = "9"
    & skf18("8","10","7","5","2","3","1") = "9"
    & skf18("8","10","7","5","2","4","1") = "9"
    & skf18("8","10","7","5","2","5","1") = "9"
    & skf18("8","10","7","5","2","6","1") = "9"
    & skf18("8","10","7","5","2","7","1") = "9"
    & skf18("8","10","7","5","2","8","1") = "9"
    & skf18("8","10","7","5","2","9","1") = "9"
    & skf18("8","10","7","5","2","10","1") = "9"
    & skf18("8","10","7","5","3","1","1") = "9"
    & skf18("8","10","7","5","3","2","1") = "9"
    & skf18("8","10","7","5","3","3","1") = "9"
    & skf18("8","10","7","5","3","4","1") = "9"
    & skf18("8","10","7","5","3","5","1") = "9"
    & skf18("8","10","7","5","3","6","1") = "9"
    & skf18("8","10","7","5","3","7","1") = "9"
    & skf18("8","10","7","5","3","8","1") = "9"
    & skf18("8","10","7","5","3","9","1") = "9"
    & skf18("8","10","7","5","3","10","1") = "9"
    & skf18("8","10","7","5","4","1","1") = "9"
    & skf18("8","10","7","5","4","2","1") = "9"
    & skf18("8","10","7","5","4","3","1") = "9"
    & skf18("8","10","7","5","4","4","1") = "9"
    & skf18("8","10","7","5","4","5","1") = "9"
    & skf18("8","10","7","5","4","6","1") = "9"
    & skf18("8","10","7","5","4","7","1") = "9"
    & skf18("8","10","7","5","4","8","1") = "9"
    & skf18("8","10","7","5","4","9","1") = "9"
    & skf18("8","10","7","5","4","10","1") = "9"
    & skf18("8","10","7","5","5","1","1") = "9"
    & skf18("8","10","7","5","5","2","1") = "9"
    & skf18("8","10","7","5","5","3","1") = "9"
    & skf18("8","10","7","5","5","4","1") = "9"
    & skf18("8","10","7","5","5","5","1") = "9"
    & skf18("8","10","7","5","5","6","1") = "9"
    & skf18("8","10","7","5","5","7","1") = "9"
    & skf18("8","10","7","5","5","8","1") = "9"
    & skf18("8","10","7","5","5","9","1") = "9"
    & skf18("8","10","7","5","5","10","1") = "9"
    & skf18("8","10","7","5","6","1","1") = "9"
    & skf18("8","10","7","5","6","2","1") = "9"
    & skf18("8","10","7","5","6","3","1") = "9"
    & skf18("8","10","7","5","6","4","1") = "9"
    & skf18("8","10","7","5","6","5","1") = "9"
    & skf18("8","10","7","5","6","6","1") = "9"
    & skf18("8","10","7","5","6","7","1") = "9"
    & skf18("8","10","7","5","6","8","1") = "9"
    & skf18("8","10","7","5","6","9","1") = "9"
    & skf18("8","10","7","5","6","10","1") = "9"
    & skf18("8","10","7","5","7","1","1") = "9"
    & skf18("8","10","7","5","7","2","1") = "9"
    & skf18("8","10","7","5","7","3","1") = "9"
    & skf18("8","10","7","5","7","4","1") = "9"
    & skf18("8","10","7","5","7","5","1") = "9"
    & skf18("8","10","7","5","7","6","1") = "9"
    & skf18("8","10","7","5","7","7","1") = "9"
    & skf18("8","10","7","5","7","8","1") = "9"
    & skf18("8","10","7","5","7","9","1") = "9"
    & skf18("8","10","7","5","7","10","1") = "9"
    & skf18("8","10","7","5","8","1","1") = "9"
    & skf18("8","10","7","5","8","2","1") = "9"
    & skf18("8","10","7","5","8","3","1") = "9"
    & skf18("8","10","7","5","8","4","1") = "9"
    & skf18("8","10","7","5","8","5","1") = "9"
    & skf18("8","10","7","5","8","6","1") = "9"
    & skf18("8","10","7","5","8","7","1") = "9"
    & skf18("8","10","7","5","8","8","1") = "9"
    & skf18("8","10","7","5","8","9","1") = "9"
    & skf18("8","10","7","5","8","10","1") = "9"
    & skf18("8","10","7","5","9","1","1") = "9"
    & skf18("8","10","7","5","9","2","1") = "9"
    & skf18("8","10","7","5","9","3","1") = "9"
    & skf18("8","10","7","5","9","4","1") = "9"
    & skf18("8","10","7","5","9","5","1") = "9"
    & skf18("8","10","7","5","9","6","1") = "9"
    & skf18("8","10","7","5","9","7","1") = "9"
    & skf18("8","10","7","5","9","8","1") = "9"
    & skf18("8","10","7","5","9","9","1") = "9"
    & skf18("8","10","7","5","9","10","1") = "9"
    & skf18("8","10","7","5","10","1","1") = "9"
    & skf18("8","10","7","5","10","2","1") = "9"
    & skf18("8","10","7","5","10","3","1") = "9"
    & skf18("8","10","7","5","10","4","1") = "9"
    & skf18("8","10","7","5","10","5","1") = "9"
    & skf18("8","10","7","5","10","6","1") = "9"
    & skf18("8","10","7","5","10","7","1") = "9"
    & skf18("8","10","7","5","10","8","1") = "9"
    & skf18("8","10","7","5","10","9","1") = "9"
    & skf18("8","10","7","5","10","10","1") = "9"
    & skf18("8","10","7","6","1","1","1") = "9"
    & skf18("8","10","7","6","1","2","1") = "9"
    & skf18("8","10","7","6","1","3","1") = "9"
    & skf18("8","10","7","6","1","4","1") = "9"
    & skf18("8","10","7","6","1","5","1") = "9"
    & skf18("8","10","7","6","1","6","1") = "9"
    & skf18("8","10","7","6","1","7","1") = "9"
    & skf18("8","10","7","6","1","8","1") = "9"
    & skf18("8","10","7","6","1","9","1") = "9"
    & skf18("8","10","7","6","1","10","1") = "9"
    & skf18("8","10","7","6","2","1","1") = "9"
    & skf18("8","10","7","6","2","2","1") = "9"
    & skf18("8","10","7","6","2","3","1") = "9"
    & skf18("8","10","7","6","2","4","1") = "9"
    & skf18("8","10","7","6","2","5","1") = "9"
    & skf18("8","10","7","6","2","6","1") = "9"
    & skf18("8","10","7","6","2","7","1") = "9"
    & skf18("8","10","7","6","2","8","1") = "9"
    & skf18("8","10","7","6","2","9","1") = "9"
    & skf18("8","10","7","6","2","10","1") = "9"
    & skf18("8","10","7","6","3","1","1") = "9"
    & skf18("8","10","7","6","3","2","1") = "9"
    & skf18("8","10","7","6","3","3","1") = "9"
    & skf18("8","10","7","6","3","4","1") = "9"
    & skf18("8","10","7","6","3","5","1") = "9"
    & skf18("8","10","7","6","3","6","1") = "9"
    & skf18("8","10","7","6","3","7","1") = "9"
    & skf18("8","10","7","6","3","8","1") = "9"
    & skf18("8","10","7","6","3","9","1") = "9"
    & skf18("8","10","7","6","3","10","1") = "9"
    & skf18("8","10","7","6","4","1","1") = "9"
    & skf18("8","10","7","6","4","2","1") = "9"
    & skf18("8","10","7","6","4","3","1") = "9"
    & skf18("8","10","7","6","4","4","1") = "9"
    & skf18("8","10","7","6","4","5","1") = "9"
    & skf18("8","10","7","6","4","6","1") = "9"
    & skf18("8","10","7","6","4","7","1") = "9"
    & skf18("8","10","7","6","4","8","1") = "9"
    & skf18("8","10","7","6","4","9","1") = "9"
    & skf18("8","10","7","6","4","10","1") = "9"
    & skf18("8","10","7","6","5","1","1") = "9"
    & skf18("8","10","7","6","5","2","1") = "9"
    & skf18("8","10","7","6","5","3","1") = "9"
    & skf18("8","10","7","6","5","4","1") = "9"
    & skf18("8","10","7","6","5","5","1") = "9"
    & skf18("8","10","7","6","5","6","1") = "9"
    & skf18("8","10","7","6","5","7","1") = "9"
    & skf18("8","10","7","6","5","8","1") = "9"
    & skf18("8","10","7","6","5","9","1") = "9"
    & skf18("8","10","7","6","5","10","1") = "9"
    & skf18("8","10","7","6","6","1","1") = "9"
    & skf18("8","10","7","6","6","2","1") = "9"
    & skf18("8","10","7","6","6","3","1") = "9"
    & skf18("8","10","7","6","6","4","1") = "9"
    & skf18("8","10","7","6","6","5","1") = "9"
    & skf18("8","10","7","6","6","6","1") = "9"
    & skf18("8","10","7","6","6","7","1") = "9"
    & skf18("8","10","7","6","6","8","1") = "9"
    & skf18("8","10","7","6","6","9","1") = "9"
    & skf18("8","10","7","6","6","10","1") = "9"
    & skf18("8","10","7","6","7","1","1") = "9"
    & skf18("8","10","7","6","7","2","1") = "9"
    & skf18("8","10","7","6","7","3","1") = "9"
    & skf18("8","10","7","6","7","4","1") = "9"
    & skf18("8","10","7","6","7","5","1") = "9"
    & skf18("8","10","7","6","7","6","1") = "9"
    & skf18("8","10","7","6","7","7","1") = "9"
    & skf18("8","10","7","6","7","8","1") = "9"
    & skf18("8","10","7","6","7","9","1") = "9"
    & skf18("8","10","7","6","7","10","1") = "9"
    & skf18("8","10","7","6","8","1","1") = "9"
    & skf18("8","10","7","6","8","2","1") = "9"
    & skf18("8","10","7","6","8","3","1") = "9"
    & skf18("8","10","7","6","8","4","1") = "9"
    & skf18("8","10","7","6","8","5","1") = "9"
    & skf18("8","10","7","6","8","6","1") = "9"
    & skf18("8","10","7","6","8","7","1") = "9"
    & skf18("8","10","7","6","8","8","1") = "9"
    & skf18("8","10","7","6","8","9","1") = "9"
    & skf18("8","10","7","6","8","10","1") = "9"
    & skf18("8","10","7","6","9","1","1") = "9"
    & skf18("8","10","7","6","9","2","1") = "9"
    & skf18("8","10","7","6","9","3","1") = "9"
    & skf18("8","10","7","6","9","4","1") = "9"
    & skf18("8","10","7","6","9","5","1") = "9"
    & skf18("8","10","7","6","9","6","1") = "9"
    & skf18("8","10","7","6","9","7","1") = "9"
    & skf18("8","10","7","6","9","8","1") = "9"
    & skf18("8","10","7","6","9","9","1") = "9"
    & skf18("8","10","7","6","9","10","1") = "9"
    & skf18("8","10","7","6","10","1","1") = "9"
    & skf18("8","10","7","6","10","2","1") = "9"
    & skf18("8","10","7","6","10","3","1") = "9"
    & skf18("8","10","7","6","10","4","1") = "9"
    & skf18("8","10","7","6","10","5","1") = "9"
    & skf18("8","10","7","6","10","6","1") = "9"
    & skf18("8","10","7","6","10","7","1") = "9"
    & skf18("8","10","7","6","10","8","1") = "9"
    & skf18("8","10","7","6","10","9","1") = "9"
    & skf18("8","10","7","6","10","10","1") = "9"
    & skf18("8","10","7","7","1","1","1") = "9"
    & skf18("8","10","7","7","1","2","1") = "9"
    & skf18("8","10","7","7","1","3","1") = "9"
    & skf18("8","10","7","7","1","4","1") = "9"
    & skf18("8","10","7","7","1","5","1") = "9"
    & skf18("8","10","7","7","1","6","1") = "9"
    & skf18("8","10","7","7","1","7","1") = "9"
    & skf18("8","10","7","7","1","8","1") = "9"
    & skf18("8","10","7","7","1","9","1") = "9"
    & skf18("8","10","7","7","1","10","1") = "9"
    & skf18("8","10","7","7","2","1","1") = "9"
    & skf18("8","10","7","7","2","2","1") = "9"
    & skf18("8","10","7","7","2","3","1") = "9"
    & skf18("8","10","7","7","2","4","1") = "9"
    & skf18("8","10","7","7","2","5","1") = "9"
    & skf18("8","10","7","7","2","6","1") = "9"
    & skf18("8","10","7","7","2","7","1") = "9"
    & skf18("8","10","7","7","2","8","1") = "9"
    & skf18("8","10","7","7","2","9","1") = "9"
    & skf18("8","10","7","7","2","10","1") = "9"
    & skf18("8","10","7","7","3","1","1") = "9"
    & skf18("8","10","7","7","3","2","1") = "9"
    & skf18("8","10","7","7","3","3","1") = "9"
    & skf18("8","10","7","7","3","4","1") = "9"
    & skf18("8","10","7","7","3","5","1") = "9"
    & skf18("8","10","7","7","3","6","1") = "9"
    & skf18("8","10","7","7","3","7","1") = "9"
    & skf18("8","10","7","7","3","8","1") = "9"
    & skf18("8","10","7","7","3","9","1") = "9"
    & skf18("8","10","7","7","3","10","1") = "9"
    & skf18("8","10","7","7","4","1","1") = "9"
    & skf18("8","10","7","7","4","2","1") = "9"
    & skf18("8","10","7","7","4","3","1") = "9"
    & skf18("8","10","7","7","4","4","1") = "9"
    & skf18("8","10","7","7","4","5","1") = "9"
    & skf18("8","10","7","7","4","6","1") = "9"
    & skf18("8","10","7","7","4","7","1") = "9"
    & skf18("8","10","7","7","4","8","1") = "9"
    & skf18("8","10","7","7","4","9","1") = "9"
    & skf18("8","10","7","7","4","10","1") = "9"
    & skf18("8","10","7","7","5","1","1") = "9"
    & skf18("8","10","7","7","5","2","1") = "9"
    & skf18("8","10","7","7","5","3","1") = "9"
    & skf18("8","10","7","7","5","4","1") = "9"
    & skf18("8","10","7","7","5","5","1") = "9"
    & skf18("8","10","7","7","5","6","1") = "9"
    & skf18("8","10","7","7","5","7","1") = "9"
    & skf18("8","10","7","7","5","8","1") = "9"
    & skf18("8","10","7","7","5","9","1") = "9"
    & skf18("8","10","7","7","5","10","1") = "9"
    & skf18("8","10","7","7","6","1","1") = "9"
    & skf18("8","10","7","7","6","2","1") = "9"
    & skf18("8","10","7","7","6","3","1") = "9"
    & skf18("8","10","7","7","6","4","1") = "9"
    & skf18("8","10","7","7","6","5","1") = "9"
    & skf18("8","10","7","7","6","6","1") = "9"
    & skf18("8","10","7","7","6","7","1") = "9"
    & skf18("8","10","7","7","6","8","1") = "9"
    & skf18("8","10","7","7","6","9","1") = "9"
    & skf18("8","10","7","7","6","10","1") = "9"
    & skf18("8","10","7","7","7","1","1") = "9"
    & skf18("8","10","7","7","7","2","1") = "9"
    & skf18("8","10","7","7","7","3","1") = "9"
    & skf18("8","10","7","7","7","4","1") = "9"
    & skf18("8","10","7","7","7","5","1") = "9"
    & skf18("8","10","7","7","7","6","1") = "9"
    & skf18("8","10","7","7","7","7","1") = "9"
    & skf18("8","10","7","7","7","8","1") = "9"
    & skf18("8","10","7","7","7","9","1") = "9"
    & skf18("8","10","7","7","7","10","1") = "9"
    & skf18("8","10","7","7","8","1","1") = "9"
    & skf18("8","10","7","7","8","2","1") = "9"
    & skf18("8","10","7","7","8","3","1") = "9"
    & skf18("8","10","7","7","8","4","1") = "9"
    & skf18("8","10","7","7","8","5","1") = "9"
    & skf18("8","10","7","7","8","6","1") = "9"
    & skf18("8","10","7","7","8","7","1") = "9"
    & skf18("8","10","7","7","8","8","1") = "9"
    & skf18("8","10","7","7","8","9","1") = "9"
    & skf18("8","10","7","7","8","10","1") = "9"
    & skf18("8","10","7","7","9","1","1") = "9"
    & skf18("8","10","7","7","9","2","1") = "9"
    & skf18("8","10","7","7","9","3","1") = "9"
    & skf18("8","10","7","7","9","4","1") = "9"
    & skf18("8","10","7","7","9","5","1") = "9"
    & skf18("8","10","7","7","9","6","1") = "9"
    & skf18("8","10","7","7","9","7","1") = "9"
    & skf18("8","10","7","7","9","8","1") = "9"
    & skf18("8","10","7","7","9","9","1") = "9"
    & skf18("8","10","7","7","9","10","1") = "9"
    & skf18("8","10","7","7","10","1","1") = "9"
    & skf18("8","10","7","7","10","2","1") = "9"
    & skf18("8","10","7","7","10","3","1") = "9"
    & skf18("8","10","7","7","10","4","1") = "9"
    & skf18("8","10","7","7","10","5","1") = "9"
    & skf18("8","10","7","7","10","6","1") = "9"
    & skf18("8","10","7","7","10","7","1") = "9"
    & skf18("8","10","7","7","10","8","1") = "9"
    & skf18("8","10","7","7","10","9","1") = "9"
    & skf18("8","10","7","7","10","10","1") = "9"
    & skf18("8","10","7","8","1","1","1") = "9"
    & skf18("8","10","7","8","1","2","1") = "9"
    & skf18("8","10","7","8","1","3","1") = "9"
    & skf18("8","10","7","8","1","4","1") = "9"
    & skf18("8","10","7","8","1","5","1") = "9"
    & skf18("8","10","7","8","1","6","1") = "9"
    & skf18("8","10","7","8","1","7","1") = "9"
    & skf18("8","10","7","8","1","8","1") = "9"
    & skf18("8","10","7","8","1","9","1") = "9"
    & skf18("8","10","7","8","1","10","1") = "9"
    & skf18("8","10","7","8","2","1","1") = "9"
    & skf18("8","10","7","8","2","2","1") = "9"
    & skf18("8","10","7","8","2","3","1") = "9"
    & skf18("8","10","7","8","2","4","1") = "9"
    & skf18("8","10","7","8","2","5","1") = "9"
    & skf18("8","10","7","8","2","6","1") = "9"
    & skf18("8","10","7","8","2","7","1") = "9"
    & skf18("8","10","7","8","2","8","1") = "9"
    & skf18("8","10","7","8","2","9","1") = "9"
    & skf18("8","10","7","8","2","10","1") = "9"
    & skf18("8","10","7","8","3","1","1") = "9"
    & skf18("8","10","7","8","3","2","1") = "9"
    & skf18("8","10","7","8","3","3","1") = "9"
    & skf18("8","10","7","8","3","4","1") = "9"
    & skf18("8","10","7","8","3","5","1") = "9"
    & skf18("8","10","7","8","3","6","1") = "9"
    & skf18("8","10","7","8","3","7","1") = "9"
    & skf18("8","10","7","8","3","8","1") = "9"
    & skf18("8","10","7","8","3","9","1") = "9"
    & skf18("8","10","7","8","3","10","1") = "9"
    & skf18("8","10","7","8","4","1","1") = "9"
    & skf18("8","10","7","8","4","2","1") = "9"
    & skf18("8","10","7","8","4","3","1") = "9"
    & skf18("8","10","7","8","4","4","1") = "9"
    & skf18("8","10","7","8","4","5","1") = "9"
    & skf18("8","10","7","8","4","6","1") = "9"
    & skf18("8","10","7","8","4","7","1") = "9"
    & skf18("8","10","7","8","4","8","1") = "9"
    & skf18("8","10","7","8","4","9","1") = "9"
    & skf18("8","10","7","8","4","10","1") = "9"
    & skf18("8","10","7","8","5","1","1") = "9"
    & skf18("8","10","7","8","5","2","1") = "9"
    & skf18("8","10","7","8","5","3","1") = "9"
    & skf18("8","10","7","8","5","4","1") = "9"
    & skf18("8","10","7","8","5","5","1") = "9"
    & skf18("8","10","7","8","5","6","1") = "9"
    & skf18("8","10","7","8","5","7","1") = "9"
    & skf18("8","10","7","8","5","8","1") = "9"
    & skf18("8","10","7","8","5","9","1") = "9"
    & skf18("8","10","7","8","5","10","1") = "9"
    & skf18("8","10","7","8","6","1","1") = "9"
    & skf18("8","10","7","8","6","2","1") = "9"
    & skf18("8","10","7","8","6","3","1") = "9"
    & skf18("8","10","7","8","6","4","1") = "9"
    & skf18("8","10","7","8","6","5","1") = "9"
    & skf18("8","10","7","8","6","6","1") = "9"
    & skf18("8","10","7","8","6","7","1") = "9"
    & skf18("8","10","7","8","6","8","1") = "9"
    & skf18("8","10","7","8","6","9","1") = "9"
    & skf18("8","10","7","8","6","10","1") = "9"
    & skf18("8","10","7","8","7","1","1") = "9"
    & skf18("8","10","7","8","7","2","1") = "9"
    & skf18("8","10","7","8","7","3","1") = "9"
    & skf18("8","10","7","8","7","4","1") = "9"
    & skf18("8","10","7","8","7","5","1") = "9"
    & skf18("8","10","7","8","7","6","1") = "9"
    & skf18("8","10","7","8","7","7","1") = "9"
    & skf18("8","10","7","8","7","8","1") = "9"
    & skf18("8","10","7","8","7","9","1") = "9"
    & skf18("8","10","7","8","7","10","1") = "9"
    & skf18("8","10","7","8","8","1","1") = "9"
    & skf18("8","10","7","8","8","2","1") = "9"
    & skf18("8","10","7","8","8","3","1") = "9"
    & skf18("8","10","7","8","8","4","1") = "9"
    & skf18("8","10","7","8","8","5","1") = "9"
    & skf18("8","10","7","8","8","6","1") = "9"
    & skf18("8","10","7","8","8","7","1") = "9"
    & skf18("8","10","7","8","8","8","1") = "9"
    & skf18("8","10","7","8","8","9","1") = "9"
    & skf18("8","10","7","8","8","10","1") = "9"
    & skf18("8","10","7","8","9","1","1") = "9"
    & skf18("8","10","7","8","9","2","1") = "9"
    & skf18("8","10","7","8","9","3","1") = "9"
    & skf18("8","10","7","8","9","4","1") = "9"
    & skf18("8","10","7","8","9","5","1") = "9"
    & skf18("8","10","7","8","9","6","1") = "9"
    & skf18("8","10","7","8","9","7","1") = "9"
    & skf18("8","10","7","8","9","8","1") = "9"
    & skf18("8","10","7","8","9","9","1") = "9"
    & skf18("8","10","7","8","9","10","1") = "9"
    & skf18("8","10","7","8","10","1","1") = "9"
    & skf18("8","10","7","8","10","2","1") = "9"
    & skf18("8","10","7","8","10","3","1") = "9"
    & skf18("8","10","7","8","10","4","1") = "9"
    & skf18("8","10","7","8","10","5","1") = "9"
    & skf18("8","10","7","8","10","6","1") = "9"
    & skf18("8","10","7","8","10","7","1") = "9"
    & skf18("8","10","7","8","10","8","1") = "9"
    & skf18("8","10","7","8","10","9","1") = "9"
    & skf18("8","10","7","8","10","10","1") = "9"
    & skf18("8","10","7","9","1","1","1") = "9"
    & skf18("8","10","7","9","1","2","1") = "9"
    & skf18("8","10","7","9","1","3","1") = "9"
    & skf18("8","10","7","9","1","4","1") = "9"
    & skf18("8","10","7","9","1","5","1") = "9"
    & skf18("8","10","7","9","1","6","1") = "9"
    & skf18("8","10","7","9","1","7","1") = "9"
    & skf18("8","10","7","9","1","8","1") = "9"
    & skf18("8","10","7","9","1","9","1") = "9"
    & skf18("8","10","7","9","1","10","1") = "9"
    & skf18("8","10","7","9","2","1","1") = "9"
    & skf18("8","10","7","9","2","2","1") = "9"
    & skf18("8","10","7","9","2","3","1") = "9"
    & skf18("8","10","7","9","2","4","1") = "9"
    & skf18("8","10","7","9","2","5","1") = "9"
    & skf18("8","10","7","9","2","6","1") = "9"
    & skf18("8","10","7","9","2","7","1") = "9"
    & skf18("8","10","7","9","2","8","1") = "9"
    & skf18("8","10","7","9","2","9","1") = "9"
    & skf18("8","10","7","9","2","10","1") = "9"
    & skf18("8","10","7","9","3","1","1") = "9"
    & skf18("8","10","7","9","3","2","1") = "9"
    & skf18("8","10","7","9","3","3","1") = "9"
    & skf18("8","10","7","9","3","4","1") = "9"
    & skf18("8","10","7","9","3","5","1") = "9"
    & skf18("8","10","7","9","3","6","1") = "9"
    & skf18("8","10","7","9","3","7","1") = "9"
    & skf18("8","10","7","9","3","8","1") = "9"
    & skf18("8","10","7","9","3","9","1") = "9"
    & skf18("8","10","7","9","3","10","1") = "9"
    & skf18("8","10","7","9","4","1","1") = "9"
    & skf18("8","10","7","9","4","2","1") = "9"
    & skf18("8","10","7","9","4","3","1") = "9"
    & skf18("8","10","7","9","4","4","1") = "9"
    & skf18("8","10","7","9","4","5","1") = "9"
    & skf18("8","10","7","9","4","6","1") = "9"
    & skf18("8","10","7","9","4","7","1") = "9"
    & skf18("8","10","7","9","4","8","1") = "9"
    & skf18("8","10","7","9","4","9","1") = "9"
    & skf18("8","10","7","9","4","10","1") = "9"
    & skf18("8","10","7","9","5","1","1") = "9"
    & skf18("8","10","7","9","5","2","1") = "9"
    & skf18("8","10","7","9","5","3","1") = "9"
    & skf18("8","10","7","9","5","4","1") = "9"
    & skf18("8","10","7","9","5","5","1") = "9"
    & skf18("8","10","7","9","5","6","1") = "9"
    & skf18("8","10","7","9","5","7","1") = "9"
    & skf18("8","10","7","9","5","8","1") = "9"
    & skf18("8","10","7","9","5","9","1") = "9"
    & skf18("8","10","7","9","5","10","1") = "9"
    & skf18("8","10","7","9","6","1","1") = "9"
    & skf18("8","10","7","9","6","2","1") = "9"
    & skf18("8","10","7","9","6","3","1") = "9"
    & skf18("8","10","7","9","6","4","1") = "9"
    & skf18("8","10","7","9","6","5","1") = "9"
    & skf18("8","10","7","9","6","6","1") = "9"
    & skf18("8","10","7","9","6","7","1") = "9"
    & skf18("8","10","7","9","6","8","1") = "9"
    & skf18("8","10","7","9","6","9","1") = "9"
    & skf18("8","10","7","9","6","10","1") = "9"
    & skf18("8","10","7","9","7","1","1") = "9"
    & skf18("8","10","7","9","7","2","1") = "9"
    & skf18("8","10","7","9","7","3","1") = "9"
    & skf18("8","10","7","9","7","4","1") = "9"
    & skf18("8","10","7","9","7","5","1") = "9"
    & skf18("8","10","7","9","7","6","1") = "9"
    & skf18("8","10","7","9","7","7","1") = "9"
    & skf18("8","10","7","9","7","8","1") = "9"
    & skf18("8","10","7","9","7","9","1") = "9"
    & skf18("8","10","7","9","7","10","1") = "9"
    & skf18("8","10","7","9","8","1","1") = "9"
    & skf18("8","10","7","9","8","2","1") = "9"
    & skf18("8","10","7","9","8","3","1") = "9"
    & skf18("8","10","7","9","8","4","1") = "9"
    & skf18("8","10","7","9","8","5","1") = "9"
    & skf18("8","10","7","9","8","6","1") = "9"
    & skf18("8","10","7","9","8","7","1") = "9"
    & skf18("8","10","7","9","8","8","1") = "9"
    & skf18("8","10","7","9","8","9","1") = "9"
    & skf18("8","10","7","9","8","10","1") = "9"
    & skf18("8","10","7","9","9","1","1") = "9"
    & skf18("8","10","7","9","9","2","1") = "9"
    & skf18("8","10","7","9","9","3","1") = "9"
    & skf18("8","10","7","9","9","4","1") = "9"
    & skf18("8","10","7","9","9","5","1") = "9"
    & skf18("8","10","7","9","9","6","1") = "9"
    & skf18("8","10","7","9","9","7","1") = "9"
    & skf18("8","10","7","9","9","8","1") = "9"
    & skf18("8","10","7","9","9","9","1") = "9"
    & skf18("8","10","7","9","9","10","1") = "9"
    & skf18("8","10","7","9","10","1","1") = "9"
    & skf18("8","10","7","9","10","2","1") = "9"
    & skf18("8","10","7","9","10","3","1") = "9"
    & skf18("8","10","7","9","10","4","1") = "9"
    & skf18("8","10","7","9","10","5","1") = "9"
    & skf18("8","10","7","9","10","6","1") = "9"
    & skf18("8","10","7","9","10","7","1") = "9"
    & skf18("8","10","7","9","10","8","1") = "9"
    & skf18("8","10","7","9","10","9","1") = "9"
    & skf18("8","10","7","9","10","10","1") = "9"
    & skf18("8","10","7","10","1","1","1") = "9"
    & skf18("8","10","7","10","1","2","1") = "9"
    & skf18("8","10","7","10","1","3","1") = "9"
    & skf18("8","10","7","10","1","4","1") = "9"
    & skf18("8","10","7","10","1","5","1") = "9"
    & skf18("8","10","7","10","1","6","1") = "9"
    & skf18("8","10","7","10","1","7","1") = "9"
    & skf18("8","10","7","10","1","8","1") = "9"
    & skf18("8","10","7","10","1","9","1") = "9"
    & skf18("8","10","7","10","1","10","1") = "9"
    & skf18("8","10","7","10","2","1","1") = "9"
    & skf18("8","10","7","10","2","2","1") = "9"
    & skf18("8","10","7","10","2","3","1") = "9"
    & skf18("8","10","7","10","2","4","1") = "9"
    & skf18("8","10","7","10","2","5","1") = "9"
    & skf18("8","10","7","10","2","6","1") = "9"
    & skf18("8","10","7","10","2","7","1") = "9"
    & skf18("8","10","7","10","2","8","1") = "9"
    & skf18("8","10","7","10","2","9","1") = "9"
    & skf18("8","10","7","10","2","10","1") = "9"
    & skf18("8","10","7","10","3","1","1") = "9"
    & skf18("8","10","7","10","3","2","1") = "9"
    & skf18("8","10","7","10","3","3","1") = "9"
    & skf18("8","10","7","10","3","4","1") = "9"
    & skf18("8","10","7","10","3","5","1") = "9"
    & skf18("8","10","7","10","3","6","1") = "9"
    & skf18("8","10","7","10","3","7","1") = "9"
    & skf18("8","10","7","10","3","8","1") = "9"
    & skf18("8","10","7","10","3","9","1") = "9"
    & skf18("8","10","7","10","3","10","1") = "9"
    & skf18("8","10","7","10","4","1","1") = "9"
    & skf18("8","10","7","10","4","2","1") = "9"
    & skf18("8","10","7","10","4","3","1") = "9"
    & skf18("8","10","7","10","4","4","1") = "9"
    & skf18("8","10","7","10","4","5","1") = "9"
    & skf18("8","10","7","10","4","6","1") = "9"
    & skf18("8","10","7","10","4","7","1") = "9"
    & skf18("8","10","7","10","4","8","1") = "9"
    & skf18("8","10","7","10","4","9","1") = "9"
    & skf18("8","10","7","10","4","10","1") = "9"
    & skf18("8","10","7","10","5","1","1") = "9"
    & skf18("8","10","7","10","5","2","1") = "9"
    & skf18("8","10","7","10","5","3","1") = "9"
    & skf18("8","10","7","10","5","4","1") = "9"
    & skf18("8","10","7","10","5","5","1") = "9"
    & skf18("8","10","7","10","5","6","1") = "9"
    & skf18("8","10","7","10","5","7","1") = "9"
    & skf18("8","10","7","10","5","8","1") = "9"
    & skf18("8","10","7","10","5","9","1") = "9"
    & skf18("8","10","7","10","5","10","1") = "9"
    & skf18("8","10","7","10","6","1","1") = "9"
    & skf18("8","10","7","10","6","2","1") = "9"
    & skf18("8","10","7","10","6","3","1") = "9"
    & skf18("8","10","7","10","6","4","1") = "9"
    & skf18("8","10","7","10","6","5","1") = "9"
    & skf18("8","10","7","10","6","6","1") = "9"
    & skf18("8","10","7","10","6","7","1") = "9"
    & skf18("8","10","7","10","6","8","1") = "9"
    & skf18("8","10","7","10","6","9","1") = "9"
    & skf18("8","10","7","10","6","10","1") = "9"
    & skf18("8","10","7","10","7","1","1") = "9"
    & skf18("8","10","7","10","7","2","1") = "9"
    & skf18("8","10","7","10","7","3","1") = "9"
    & skf18("8","10","7","10","7","4","1") = "9"
    & skf18("8","10","7","10","7","5","1") = "9"
    & skf18("8","10","7","10","7","6","1") = "9"
    & skf18("8","10","7","10","7","7","1") = "9"
    & skf18("8","10","7","10","7","8","1") = "9"
    & skf18("8","10","7","10","7","9","1") = "9"
    & skf18("8","10","7","10","7","10","1") = "9"
    & skf18("8","10","7","10","8","1","1") = "9"
    & skf18("8","10","7","10","8","2","1") = "9"
    & skf18("8","10","7","10","8","3","1") = "9"
    & skf18("8","10","7","10","8","4","1") = "9"
    & skf18("8","10","7","10","8","5","1") = "9"
    & skf18("8","10","7","10","8","6","1") = "9"
    & skf18("8","10","7","10","8","7","1") = "9"
    & skf18("8","10","7","10","8","8","1") = "9"
    & skf18("8","10","7","10","8","9","1") = "9"
    & skf18("8","10","7","10","8","10","1") = "9"
    & skf18("8","10","7","10","9","1","1") = "9"
    & skf18("8","10","7","10","9","2","1") = "9"
    & skf18("8","10","7","10","9","3","1") = "9"
    & skf18("8","10","7","10","9","4","1") = "9"
    & skf18("8","10","7","10","9","5","1") = "9"
    & skf18("8","10","7","10","9","6","1") = "9"
    & skf18("8","10","7","10","9","7","1") = "9"
    & skf18("8","10","7","10","9","8","1") = "9"
    & skf18("8","10","7","10","9","9","1") = "9"
    & skf18("8","10","7","10","9","10","1") = "9"
    & skf18("8","10","7","10","10","1","1") = "9"
    & skf18("8","10","7","10","10","2","1") = "9"
    & skf18("8","10","7","10","10","3","1") = "9"
    & skf18("8","10","7","10","10","4","1") = "9"
    & skf18("8","10","7","10","10","5","1") = "9"
    & skf18("8","10","7","10","10","6","1") = "9"
    & skf18("8","10","7","10","10","7","1") = "9"
    & skf18("8","10","7","10","10","8","1") = "9"
    & skf18("8","10","7","10","10","9","1") = "9"
    & skf18("8","10","7","10","10","10","1") = "9"
    & skf18("8","10","8","1","1","1","1") = "9"
    & skf18("8","10","8","1","1","2","1") = "9"
    & skf18("8","10","8","1","1","3","1") = "9"
    & skf18("8","10","8","1","1","4","1") = "9"
    & skf18("8","10","8","1","1","5","1") = "9"
    & skf18("8","10","8","1","1","6","1") = "9"
    & skf18("8","10","8","1","1","7","1") = "9"
    & skf18("8","10","8","1","1","8","1") = "9"
    & skf18("8","10","8","1","1","9","1") = "9"
    & skf18("8","10","8","1","1","10","1") = "9"
    & skf18("8","10","8","1","2","1","1") = "9"
    & skf18("8","10","8","1","2","2","1") = "9"
    & skf18("8","10","8","1","2","3","1") = "9"
    & skf18("8","10","8","1","2","4","1") = "9"
    & skf18("8","10","8","1","2","5","1") = "9"
    & skf18("8","10","8","1","2","6","1") = "9"
    & skf18("8","10","8","1","2","7","1") = "9"
    & skf18("8","10","8","1","2","8","1") = "9"
    & skf18("8","10","8","1","2","9","1") = "9"
    & skf18("8","10","8","1","2","10","1") = "9"
    & skf18("8","10","8","1","3","1","1") = "9"
    & skf18("8","10","8","1","3","2","1") = "9"
    & skf18("8","10","8","1","3","3","1") = "9"
    & skf18("8","10","8","1","3","4","1") = "9"
    & skf18("8","10","8","1","3","5","1") = "9"
    & skf18("8","10","8","1","3","6","1") = "9"
    & skf18("8","10","8","1","3","7","1") = "9"
    & skf18("8","10","8","1","3","8","1") = "9"
    & skf18("8","10","8","1","3","9","1") = "9"
    & skf18("8","10","8","1","3","10","1") = "9"
    & skf18("8","10","8","1","4","1","1") = "9"
    & skf18("8","10","8","1","4","2","1") = "9"
    & skf18("8","10","8","1","4","3","1") = "9"
    & skf18("8","10","8","1","4","4","1") = "9"
    & skf18("8","10","8","1","4","5","1") = "9"
    & skf18("8","10","8","1","4","6","1") = "9"
    & skf18("8","10","8","1","4","7","1") = "9"
    & skf18("8","10","8","1","4","8","1") = "9"
    & skf18("8","10","8","1","4","9","1") = "9"
    & skf18("8","10","8","1","4","10","1") = "9"
    & skf18("8","10","8","1","5","1","1") = "9"
    & skf18("8","10","8","1","5","2","1") = "9"
    & skf18("8","10","8","1","5","3","1") = "9"
    & skf18("8","10","8","1","5","4","1") = "9"
    & skf18("8","10","8","1","5","5","1") = "9"
    & skf18("8","10","8","1","5","6","1") = "9"
    & skf18("8","10","8","1","5","7","1") = "9"
    & skf18("8","10","8","1","5","8","1") = "9"
    & skf18("8","10","8","1","5","9","1") = "9"
    & skf18("8","10","8","1","5","10","1") = "9"
    & skf18("8","10","8","1","6","1","1") = "9"
    & skf18("8","10","8","1","6","2","1") = "9"
    & skf18("8","10","8","1","6","3","1") = "9"
    & skf18("8","10","8","1","6","4","1") = "9"
    & skf18("8","10","8","1","6","5","1") = "9"
    & skf18("8","10","8","1","6","6","1") = "9"
    & skf18("8","10","8","1","6","7","1") = "9"
    & skf18("8","10","8","1","6","8","1") = "9"
    & skf18("8","10","8","1","6","9","1") = "9"
    & skf18("8","10","8","1","6","10","1") = "9"
    & skf18("8","10","8","1","7","1","1") = "9"
    & skf18("8","10","8","1","7","2","1") = "9"
    & skf18("8","10","8","1","7","3","1") = "9"
    & skf18("8","10","8","1","7","4","1") = "9"
    & skf18("8","10","8","1","7","5","1") = "9"
    & skf18("8","10","8","1","7","6","1") = "9"
    & skf18("8","10","8","1","7","7","1") = "9"
    & skf18("8","10","8","1","7","8","1") = "9"
    & skf18("8","10","8","1","7","9","1") = "9"
    & skf18("8","10","8","1","7","10","1") = "9"
    & skf18("8","10","8","1","8","1","1") = "9"
    & skf18("8","10","8","1","8","2","1") = "9"
    & skf18("8","10","8","1","8","3","1") = "9"
    & skf18("8","10","8","1","8","4","1") = "9"
    & skf18("8","10","8","1","8","5","1") = "9"
    & skf18("8","10","8","1","8","6","1") = "9"
    & skf18("8","10","8","1","8","7","1") = "9"
    & skf18("8","10","8","1","8","8","1") = "9"
    & skf18("8","10","8","1","8","9","1") = "9"
    & skf18("8","10","8","1","8","10","1") = "9"
    & skf18("8","10","8","1","9","1","1") = "9"
    & skf18("8","10","8","1","9","2","1") = "9"
    & skf18("8","10","8","1","9","3","1") = "9"
    & skf18("8","10","8","1","9","4","1") = "9"
    & skf18("8","10","8","1","9","5","1") = "9"
    & skf18("8","10","8","1","9","6","1") = "9"
    & skf18("8","10","8","1","9","7","1") = "9"
    & skf18("8","10","8","1","9","8","1") = "9"
    & skf18("8","10","8","1","9","9","1") = "9"
    & skf18("8","10","8","1","9","10","1") = "9"
    & skf18("8","10","8","1","10","1","1") = "9"
    & skf18("8","10","8","1","10","2","1") = "9"
    & skf18("8","10","8","1","10","3","1") = "9"
    & skf18("8","10","8","1","10","4","1") = "9"
    & skf18("8","10","8","1","10","5","1") = "9"
    & skf18("8","10","8","1","10","6","1") = "9"
    & skf18("8","10","8","1","10","7","1") = "9"
    & skf18("8","10","8","1","10","8","1") = "9"
    & skf18("8","10","8","1","10","9","1") = "9"
    & skf18("8","10","8","1","10","10","1") = "9"
    & skf18("8","10","8","2","1","1","1") = "9"
    & skf18("8","10","8","2","1","2","1") = "9"
    & skf18("8","10","8","2","1","3","1") = "9"
    & skf18("8","10","8","2","1","4","1") = "9"
    & skf18("8","10","8","2","1","5","1") = "9"
    & skf18("8","10","8","2","1","6","1") = "9"
    & skf18("8","10","8","2","1","7","1") = "9"
    & skf18("8","10","8","2","1","8","1") = "9"
    & skf18("8","10","8","2","1","9","1") = "9"
    & skf18("8","10","8","2","1","10","1") = "9"
    & skf18("8","10","8","2","2","1","1") = "9"
    & skf18("8","10","8","2","2","2","1") = "9"
    & skf18("8","10","8","2","2","3","1") = "9"
    & skf18("8","10","8","2","2","4","1") = "9"
    & skf18("8","10","8","2","2","5","1") = "9"
    & skf18("8","10","8","2","2","6","1") = "9"
    & skf18("8","10","8","2","2","7","1") = "9"
    & skf18("8","10","8","2","2","8","1") = "9"
    & skf18("8","10","8","2","2","9","1") = "9"
    & skf18("8","10","8","2","2","10","1") = "9"
    & skf18("8","10","8","2","3","1","1") = "9"
    & skf18("8","10","8","2","3","2","1") = "9"
    & skf18("8","10","8","2","3","3","1") = "9"
    & skf18("8","10","8","2","3","4","1") = "9"
    & skf18("8","10","8","2","3","5","1") = "9"
    & skf18("8","10","8","2","3","6","1") = "9"
    & skf18("8","10","8","2","3","7","1") = "9"
    & skf18("8","10","8","2","3","8","1") = "9"
    & skf18("8","10","8","2","3","9","1") = "9"
    & skf18("8","10","8","2","3","10","1") = "9"
    & skf18("8","10","8","2","4","1","1") = "9"
    & skf18("8","10","8","2","4","2","1") = "9"
    & skf18("8","10","8","2","4","3","1") = "9"
    & skf18("8","10","8","2","4","4","1") = "9"
    & skf18("8","10","8","2","4","5","1") = "9"
    & skf18("8","10","8","2","4","6","1") = "9"
    & skf18("8","10","8","2","4","7","1") = "9"
    & skf18("8","10","8","2","4","8","1") = "9"
    & skf18("8","10","8","2","4","9","1") = "9"
    & skf18("8","10","8","2","4","10","1") = "9"
    & skf18("8","10","8","2","5","1","1") = "9"
    & skf18("8","10","8","2","5","2","1") = "9"
    & skf18("8","10","8","2","5","3","1") = "9"
    & skf18("8","10","8","2","5","4","1") = "9"
    & skf18("8","10","8","2","5","5","1") = "9"
    & skf18("8","10","8","2","5","6","1") = "9"
    & skf18("8","10","8","2","5","7","1") = "9"
    & skf18("8","10","8","2","5","8","1") = "9"
    & skf18("8","10","8","2","5","9","1") = "9"
    & skf18("8","10","8","2","5","10","1") = "9"
    & skf18("8","10","8","2","6","1","1") = "9"
    & skf18("8","10","8","2","6","2","1") = "9"
    & skf18("8","10","8","2","6","3","1") = "9"
    & skf18("8","10","8","2","6","4","1") = "9"
    & skf18("8","10","8","2","6","5","1") = "9"
    & skf18("8","10","8","2","6","6","1") = "9"
    & skf18("8","10","8","2","6","7","1") = "9"
    & skf18("8","10","8","2","6","8","1") = "9"
    & skf18("8","10","8","2","6","9","1") = "9"
    & skf18("8","10","8","2","6","10","1") = "9"
    & skf18("8","10","8","2","7","1","1") = "9"
    & skf18("8","10","8","2","7","2","1") = "9"
    & skf18("8","10","8","2","7","3","1") = "9"
    & skf18("8","10","8","2","7","4","1") = "9"
    & skf18("8","10","8","2","7","5","1") = "9"
    & skf18("8","10","8","2","7","6","1") = "9"
    & skf18("8","10","8","2","7","7","1") = "9"
    & skf18("8","10","8","2","7","8","1") = "9"
    & skf18("8","10","8","2","7","9","1") = "9"
    & skf18("8","10","8","2","7","10","1") = "9"
    & skf18("8","10","8","2","8","1","1") = "9"
    & skf18("8","10","8","2","8","2","1") = "9"
    & skf18("8","10","8","2","8","3","1") = "9"
    & skf18("8","10","8","2","8","4","1") = "9"
    & skf18("8","10","8","2","8","5","1") = "9"
    & skf18("8","10","8","2","8","6","1") = "9"
    & skf18("8","10","8","2","8","7","1") = "9"
    & skf18("8","10","8","2","8","8","1") = "9"
    & skf18("8","10","8","2","8","9","1") = "9"
    & skf18("8","10","8","2","8","10","1") = "9"
    & skf18("8","10","8","2","9","1","1") = "9"
    & skf18("8","10","8","2","9","2","1") = "9"
    & skf18("8","10","8","2","9","3","1") = "9"
    & skf18("8","10","8","2","9","4","1") = "9"
    & skf18("8","10","8","2","9","5","1") = "9"
    & skf18("8","10","8","2","9","6","1") = "9"
    & skf18("8","10","8","2","9","7","1") = "9"
    & skf18("8","10","8","2","9","8","1") = "9"
    & skf18("8","10","8","2","9","9","1") = "9"
    & skf18("8","10","8","2","9","10","1") = "9"
    & skf18("8","10","8","2","10","1","1") = "9"
    & skf18("8","10","8","2","10","2","1") = "9"
    & skf18("8","10","8","2","10","3","1") = "9"
    & skf18("8","10","8","2","10","4","1") = "9"
    & skf18("8","10","8","2","10","5","1") = "9"
    & skf18("8","10","8","2","10","6","1") = "9"
    & skf18("8","10","8","2","10","7","1") = "9"
    & skf18("8","10","8","2","10","8","1") = "9"
    & skf18("8","10","8","2","10","9","1") = "9"
    & skf18("8","10","8","2","10","10","1") = "9"
    & skf18("8","10","8","3","1","1","1") = "9"
    & skf18("8","10","8","3","1","2","1") = "9"
    & skf18("8","10","8","3","1","3","1") = "9"
    & skf18("8","10","8","3","1","4","1") = "9"
    & skf18("8","10","8","3","1","5","1") = "9"
    & skf18("8","10","8","3","1","6","1") = "9"
    & skf18("8","10","8","3","1","7","1") = "9"
    & skf18("8","10","8","3","1","8","1") = "9"
    & skf18("8","10","8","3","1","9","1") = "9"
    & skf18("8","10","8","3","1","10","1") = "9"
    & skf18("8","10","8","3","2","1","1") = "9"
    & skf18("8","10","8","3","2","2","1") = "9"
    & skf18("8","10","8","3","2","3","1") = "9"
    & skf18("8","10","8","3","2","4","1") = "9"
    & skf18("8","10","8","3","2","5","1") = "9"
    & skf18("8","10","8","3","2","6","1") = "9"
    & skf18("8","10","8","3","2","7","1") = "9"
    & skf18("8","10","8","3","2","8","1") = "9"
    & skf18("8","10","8","3","2","9","1") = "9"
    & skf18("8","10","8","3","2","10","1") = "9"
    & skf18("8","10","8","3","3","1","1") = "9"
    & skf18("8","10","8","3","3","2","1") = "9"
    & skf18("8","10","8","3","3","3","1") = "9"
    & skf18("8","10","8","3","3","4","1") = "9"
    & skf18("8","10","8","3","3","5","1") = "9"
    & skf18("8","10","8","3","3","6","1") = "9"
    & skf18("8","10","8","3","3","7","1") = "9"
    & skf18("8","10","8","3","3","8","1") = "9"
    & skf18("8","10","8","3","3","9","1") = "9"
    & skf18("8","10","8","3","3","10","1") = "9"
    & skf18("8","10","8","3","4","1","1") = "9"
    & skf18("8","10","8","3","4","2","1") = "9"
    & skf18("8","10","8","3","4","3","1") = "9"
    & skf18("8","10","8","3","4","4","1") = "9"
    & skf18("8","10","8","3","4","5","1") = "9"
    & skf18("8","10","8","3","4","6","1") = "9"
    & skf18("8","10","8","3","4","7","1") = "9"
    & skf18("8","10","8","3","4","8","1") = "9"
    & skf18("8","10","8","3","4","9","1") = "9"
    & skf18("8","10","8","3","4","10","1") = "9"
    & skf18("8","10","8","3","5","1","1") = "9"
    & skf18("8","10","8","3","5","2","1") = "9"
    & skf18("8","10","8","3","5","3","1") = "9"
    & skf18("8","10","8","3","5","4","1") = "9"
    & skf18("8","10","8","3","5","5","1") = "9"
    & skf18("8","10","8","3","5","6","1") = "9"
    & skf18("8","10","8","3","5","7","1") = "9"
    & skf18("8","10","8","3","5","8","1") = "9"
    & skf18("8","10","8","3","5","9","1") = "9"
    & skf18("8","10","8","3","5","10","1") = "9"
    & skf18("8","10","8","3","6","1","1") = "9"
    & skf18("8","10","8","3","6","2","1") = "9"
    & skf18("8","10","8","3","6","3","1") = "9"
    & skf18("8","10","8","3","6","4","1") = "9"
    & skf18("8","10","8","3","6","5","1") = "9"
    & skf18("8","10","8","3","6","6","1") = "9"
    & skf18("8","10","8","3","6","7","1") = "9"
    & skf18("8","10","8","3","6","8","1") = "9"
    & skf18("8","10","8","3","6","9","1") = "9"
    & skf18("8","10","8","3","6","10","1") = "9"
    & skf18("8","10","8","3","7","1","1") = "9"
    & skf18("8","10","8","3","7","2","1") = "9"
    & skf18("8","10","8","3","7","3","1") = "9"
    & skf18("8","10","8","3","7","4","1") = "9"
    & skf18("8","10","8","3","7","5","1") = "9"
    & skf18("8","10","8","3","7","6","1") = "9"
    & skf18("8","10","8","3","7","7","1") = "9"
    & skf18("8","10","8","3","7","8","1") = "9"
    & skf18("8","10","8","3","7","9","1") = "9"
    & skf18("8","10","8","3","7","10","1") = "9"
    & skf18("8","10","8","3","8","1","1") = "9"
    & skf18("8","10","8","3","8","2","1") = "9"
    & skf18("8","10","8","3","8","3","1") = "9"
    & skf18("8","10","8","3","8","4","1") = "9"
    & skf18("8","10","8","3","8","5","1") = "9"
    & skf18("8","10","8","3","8","6","1") = "9"
    & skf18("8","10","8","3","8","7","1") = "9"
    & skf18("8","10","8","3","8","8","1") = "9"
    & skf18("8","10","8","3","8","9","1") = "9"
    & skf18("8","10","8","3","8","10","1") = "9"
    & skf18("8","10","8","3","9","1","1") = "9"
    & skf18("8","10","8","3","9","2","1") = "9"
    & skf18("8","10","8","3","9","3","1") = "9"
    & skf18("8","10","8","3","9","4","1") = "9"
    & skf18("8","10","8","3","9","5","1") = "9"
    & skf18("8","10","8","3","9","6","1") = "9"
    & skf18("8","10","8","3","9","7","1") = "9"
    & skf18("8","10","8","3","9","8","1") = "9"
    & skf18("8","10","8","3","9","9","1") = "9"
    & skf18("8","10","8","3","9","10","1") = "9"
    & skf18("8","10","8","3","10","1","1") = "9"
    & skf18("8","10","8","3","10","2","1") = "9"
    & skf18("8","10","8","3","10","3","1") = "9"
    & skf18("8","10","8","3","10","4","1") = "9"
    & skf18("8","10","8","3","10","5","1") = "9"
    & skf18("8","10","8","3","10","6","1") = "9"
    & skf18("8","10","8","3","10","7","1") = "9"
    & skf18("8","10","8","3","10","8","1") = "9"
    & skf18("8","10","8","3","10","9","1") = "9"
    & skf18("8","10","8","3","10","10","1") = "9"
    & skf18("8","10","8","4","1","1","1") = "9"
    & skf18("8","10","8","4","1","2","1") = "9"
    & skf18("8","10","8","4","1","3","1") = "9"
    & skf18("8","10","8","4","1","4","1") = "9"
    & skf18("8","10","8","4","1","5","1") = "9"
    & skf18("8","10","8","4","1","6","1") = "9"
    & skf18("8","10","8","4","1","7","1") = "9"
    & skf18("8","10","8","4","1","8","1") = "9"
    & skf18("8","10","8","4","1","9","1") = "9"
    & skf18("8","10","8","4","1","10","1") = "9"
    & skf18("8","10","8","4","2","1","1") = "9"
    & skf18("8","10","8","4","2","2","1") = "9"
    & skf18("8","10","8","4","2","3","1") = "9"
    & skf18("8","10","8","4","2","4","1") = "9"
    & skf18("8","10","8","4","2","5","1") = "9"
    & skf18("8","10","8","4","2","6","1") = "9"
    & skf18("8","10","8","4","2","7","1") = "9"
    & skf18("8","10","8","4","2","8","1") = "9"
    & skf18("8","10","8","4","2","9","1") = "9"
    & skf18("8","10","8","4","2","10","1") = "9"
    & skf18("8","10","8","4","3","1","1") = "9"
    & skf18("8","10","8","4","3","2","1") = "9"
    & skf18("8","10","8","4","3","3","1") = "9"
    & skf18("8","10","8","4","3","4","1") = "9"
    & skf18("8","10","8","4","3","5","1") = "9"
    & skf18("8","10","8","4","3","6","1") = "9"
    & skf18("8","10","8","4","3","7","1") = "9"
    & skf18("8","10","8","4","3","8","1") = "9"
    & skf18("8","10","8","4","3","9","1") = "9"
    & skf18("8","10","8","4","3","10","1") = "9"
    & skf18("8","10","8","4","4","1","1") = "9"
    & skf18("8","10","8","4","4","2","1") = "9"
    & skf18("8","10","8","4","4","3","1") = "9"
    & skf18("8","10","8","4","4","4","1") = "9"
    & skf18("8","10","8","4","4","5","1") = "9"
    & skf18("8","10","8","4","4","6","1") = "9"
    & skf18("8","10","8","4","4","7","1") = "9"
    & skf18("8","10","8","4","4","8","1") = "9"
    & skf18("8","10","8","4","4","9","1") = "9"
    & skf18("8","10","8","4","4","10","1") = "9"
    & skf18("8","10","8","4","5","1","1") = "9"
    & skf18("8","10","8","4","5","2","1") = "9"
    & skf18("8","10","8","4","5","3","1") = "9"
    & skf18("8","10","8","4","5","4","1") = "9"
    & skf18("8","10","8","4","5","5","1") = "9"
    & skf18("8","10","8","4","5","6","1") = "9"
    & skf18("8","10","8","4","5","7","1") = "9"
    & skf18("8","10","8","4","5","8","1") = "9"
    & skf18("8","10","8","4","5","9","1") = "9"
    & skf18("8","10","8","4","5","10","1") = "9"
    & skf18("8","10","8","4","6","1","1") = "9"
    & skf18("8","10","8","4","6","2","1") = "9"
    & skf18("8","10","8","4","6","3","1") = "9"
    & skf18("8","10","8","4","6","4","1") = "9"
    & skf18("8","10","8","4","6","5","1") = "9"
    & skf18("8","10","8","4","6","6","1") = "9"
    & skf18("8","10","8","4","6","7","1") = "9"
    & skf18("8","10","8","4","6","8","1") = "9"
    & skf18("8","10","8","4","6","9","1") = "9"
    & skf18("8","10","8","4","6","10","1") = "9"
    & skf18("8","10","8","4","7","1","1") = "9"
    & skf18("8","10","8","4","7","2","1") = "9"
    & skf18("8","10","8","4","7","3","1") = "9"
    & skf18("8","10","8","4","7","4","1") = "9"
    & skf18("8","10","8","4","7","5","1") = "9"
    & skf18("8","10","8","4","7","6","1") = "9"
    & skf18("8","10","8","4","7","7","1") = "9"
    & skf18("8","10","8","4","7","8","1") = "9"
    & skf18("8","10","8","4","7","9","1") = "9"
    & skf18("8","10","8","4","7","10","1") = "9"
    & skf18("8","10","8","4","8","1","1") = "9"
    & skf18("8","10","8","4","8","2","1") = "9"
    & skf18("8","10","8","4","8","3","1") = "9"
    & skf18("8","10","8","4","8","4","1") = "9"
    & skf18("8","10","8","4","8","5","1") = "9"
    & skf18("8","10","8","4","8","6","1") = "9"
    & skf18("8","10","8","4","8","7","1") = "9"
    & skf18("8","10","8","4","8","8","1") = "9"
    & skf18("8","10","8","4","8","9","1") = "9"
    & skf18("8","10","8","4","8","10","1") = "9"
    & skf18("8","10","8","4","9","1","1") = "9"
    & skf18("8","10","8","4","9","2","1") = "9"
    & skf18("8","10","8","4","9","3","1") = "9"
    & skf18("8","10","8","4","9","4","1") = "9"
    & skf18("8","10","8","4","9","5","1") = "9"
    & skf18("8","10","8","4","9","6","1") = "9"
    & skf18("8","10","8","4","9","7","1") = "9"
    & skf18("8","10","8","4","9","8","1") = "9"
    & skf18("8","10","8","4","9","9","1") = "9"
    & skf18("8","10","8","4","9","10","1") = "9"
    & skf18("8","10","8","4","10","1","1") = "9"
    & skf18("8","10","8","4","10","2","1") = "9"
    & skf18("8","10","8","4","10","3","1") = "9"
    & skf18("8","10","8","4","10","4","1") = "9"
    & skf18("8","10","8","4","10","5","1") = "9"
    & skf18("8","10","8","4","10","6","1") = "9"
    & skf18("8","10","8","4","10","7","1") = "9"
    & skf18("8","10","8","4","10","8","1") = "9"
    & skf18("8","10","8","4","10","9","1") = "9"
    & skf18("8","10","8","4","10","10","1") = "9"
    & skf18("8","10","8","5","1","1","1") = "9"
    & skf18("8","10","8","5","1","2","1") = "9"
    & skf18("8","10","8","5","1","3","1") = "9"
    & skf18("8","10","8","5","1","4","1") = "9"
    & skf18("8","10","8","5","1","5","1") = "9"
    & skf18("8","10","8","5","1","6","1") = "9"
    & skf18("8","10","8","5","1","7","1") = "9"
    & skf18("8","10","8","5","1","8","1") = "9"
    & skf18("8","10","8","5","1","9","1") = "9"
    & skf18("8","10","8","5","1","10","1") = "9"
    & skf18("8","10","8","5","2","1","1") = "9"
    & skf18("8","10","8","5","2","2","1") = "9"
    & skf18("8","10","8","5","2","3","1") = "9"
    & skf18("8","10","8","5","2","4","1") = "9"
    & skf18("8","10","8","5","2","5","1") = "9"
    & skf18("8","10","8","5","2","6","1") = "9"
    & skf18("8","10","8","5","2","7","1") = "9"
    & skf18("8","10","8","5","2","8","1") = "9"
    & skf18("8","10","8","5","2","9","1") = "9"
    & skf18("8","10","8","5","2","10","1") = "9"
    & skf18("8","10","8","5","3","1","1") = "9"
    & skf18("8","10","8","5","3","2","1") = "9"
    & skf18("8","10","8","5","3","3","1") = "9"
    & skf18("8","10","8","5","3","4","1") = "9"
    & skf18("8","10","8","5","3","5","1") = "9"
    & skf18("8","10","8","5","3","6","1") = "9"
    & skf18("8","10","8","5","3","7","1") = "9"
    & skf18("8","10","8","5","3","8","1") = "9"
    & skf18("8","10","8","5","3","9","1") = "9"
    & skf18("8","10","8","5","3","10","1") = "9"
    & skf18("8","10","8","5","4","1","1") = "9"
    & skf18("8","10","8","5","4","2","1") = "9"
    & skf18("8","10","8","5","4","3","1") = "9"
    & skf18("8","10","8","5","4","4","1") = "9"
    & skf18("8","10","8","5","4","5","1") = "9"
    & skf18("8","10","8","5","4","6","1") = "9"
    & skf18("8","10","8","5","4","7","1") = "9"
    & skf18("8","10","8","5","4","8","1") = "9"
    & skf18("8","10","8","5","4","9","1") = "9"
    & skf18("8","10","8","5","4","10","1") = "9"
    & skf18("8","10","8","5","5","1","1") = "9"
    & skf18("8","10","8","5","5","2","1") = "9"
    & skf18("8","10","8","5","5","3","1") = "9"
    & skf18("8","10","8","5","5","4","1") = "9"
    & skf18("8","10","8","5","5","5","1") = "9"
    & skf18("8","10","8","5","5","6","1") = "9"
    & skf18("8","10","8","5","5","7","1") = "9"
    & skf18("8","10","8","5","5","8","1") = "9"
    & skf18("8","10","8","5","5","9","1") = "9"
    & skf18("8","10","8","5","5","10","1") = "9"
    & skf18("8","10","8","5","6","1","1") = "9"
    & skf18("8","10","8","5","6","2","1") = "9"
    & skf18("8","10","8","5","6","3","1") = "9"
    & skf18("8","10","8","5","6","4","1") = "9"
    & skf18("8","10","8","5","6","5","1") = "9"
    & skf18("8","10","8","5","6","6","1") = "9"
    & skf18("8","10","8","5","6","7","1") = "9"
    & skf18("8","10","8","5","6","8","1") = "9"
    & skf18("8","10","8","5","6","9","1") = "9"
    & skf18("8","10","8","5","6","10","1") = "9"
    & skf18("8","10","8","5","7","1","1") = "9"
    & skf18("8","10","8","5","7","2","1") = "9"
    & skf18("8","10","8","5","7","3","1") = "9"
    & skf18("8","10","8","5","7","4","1") = "9"
    & skf18("8","10","8","5","7","5","1") = "9"
    & skf18("8","10","8","5","7","6","1") = "9"
    & skf18("8","10","8","5","7","7","1") = "9"
    & skf18("8","10","8","5","7","8","1") = "9"
    & skf18("8","10","8","5","7","9","1") = "9"
    & skf18("8","10","8","5","7","10","1") = "9"
    & skf18("8","10","8","5","8","1","1") = "9"
    & skf18("8","10","8","5","8","2","1") = "9"
    & skf18("8","10","8","5","8","3","1") = "9"
    & skf18("8","10","8","5","8","4","1") = "9"
    & skf18("8","10","8","5","8","5","1") = "9"
    & skf18("8","10","8","5","8","6","1") = "9"
    & skf18("8","10","8","5","8","7","1") = "9"
    & skf18("8","10","8","5","8","8","1") = "9"
    & skf18("8","10","8","5","8","9","1") = "9"
    & skf18("8","10","8","5","8","10","1") = "9"
    & skf18("8","10","8","5","9","1","1") = "9"
    & skf18("8","10","8","5","9","2","1") = "9"
    & skf18("8","10","8","5","9","3","1") = "9"
    & skf18("8","10","8","5","9","4","1") = "9"
    & skf18("8","10","8","5","9","5","1") = "9"
    & skf18("8","10","8","5","9","6","1") = "9"
    & skf18("8","10","8","5","9","7","1") = "9"
    & skf18("8","10","8","5","9","8","1") = "9"
    & skf18("8","10","8","5","9","9","1") = "9"
    & skf18("8","10","8","5","9","10","1") = "9"
    & skf18("8","10","8","5","10","1","1") = "9"
    & skf18("8","10","8","5","10","2","1") = "9"
    & skf18("8","10","8","5","10","3","1") = "9"
    & skf18("8","10","8","5","10","4","1") = "9"
    & skf18("8","10","8","5","10","5","1") = "9"
    & skf18("8","10","8","5","10","6","1") = "9"
    & skf18("8","10","8","5","10","7","1") = "9"
    & skf18("8","10","8","5","10","8","1") = "9"
    & skf18("8","10","8","5","10","9","1") = "9"
    & skf18("8","10","8","5","10","10","1") = "9"
    & skf18("8","10","8","6","1","1","1") = "9"
    & skf18("8","10","8","6","1","2","1") = "9"
    & skf18("8","10","8","6","1","3","1") = "9"
    & skf18("8","10","8","6","1","4","1") = "9"
    & skf18("8","10","8","6","1","5","1") = "9"
    & skf18("8","10","8","6","1","6","1") = "9"
    & skf18("8","10","8","6","1","7","1") = "9"
    & skf18("8","10","8","6","1","8","1") = "9"
    & skf18("8","10","8","6","1","9","1") = "9"
    & skf18("8","10","8","6","1","10","1") = "9"
    & skf18("8","10","8","6","2","1","1") = "9"
    & skf18("8","10","8","6","2","2","1") = "9"
    & skf18("8","10","8","6","2","3","1") = "9"
    & skf18("8","10","8","6","2","4","1") = "9"
    & skf18("8","10","8","6","2","5","1") = "9"
    & skf18("8","10","8","6","2","6","1") = "9"
    & skf18("8","10","8","6","2","7","1") = "9"
    & skf18("8","10","8","6","2","8","1") = "9"
    & skf18("8","10","8","6","2","9","1") = "9"
    & skf18("8","10","8","6","2","10","1") = "9"
    & skf18("8","10","8","6","3","1","1") = "9"
    & skf18("8","10","8","6","3","2","1") = "9"
    & skf18("8","10","8","6","3","3","1") = "9"
    & skf18("8","10","8","6","3","4","1") = "9"
    & skf18("8","10","8","6","3","5","1") = "9"
    & skf18("8","10","8","6","3","6","1") = "9"
    & skf18("8","10","8","6","3","7","1") = "9"
    & skf18("8","10","8","6","3","8","1") = "9"
    & skf18("8","10","8","6","3","9","1") = "9"
    & skf18("8","10","8","6","3","10","1") = "9"
    & skf18("8","10","8","6","4","1","1") = "9"
    & skf18("8","10","8","6","4","2","1") = "9"
    & skf18("8","10","8","6","4","3","1") = "9"
    & skf18("8","10","8","6","4","4","1") = "9"
    & skf18("8","10","8","6","4","5","1") = "9"
    & skf18("8","10","8","6","4","6","1") = "9"
    & skf18("8","10","8","6","4","7","1") = "9"
    & skf18("8","10","8","6","4","8","1") = "9"
    & skf18("8","10","8","6","4","9","1") = "9"
    & skf18("8","10","8","6","4","10","1") = "9"
    & skf18("8","10","8","6","5","1","1") = "9"
    & skf18("8","10","8","6","5","2","1") = "9"
    & skf18("8","10","8","6","5","3","1") = "9"
    & skf18("8","10","8","6","5","4","1") = "9"
    & skf18("8","10","8","6","5","5","1") = "9"
    & skf18("8","10","8","6","5","6","1") = "9"
    & skf18("8","10","8","6","5","7","1") = "9"
    & skf18("8","10","8","6","5","8","1") = "9"
    & skf18("8","10","8","6","5","9","1") = "9"
    & skf18("8","10","8","6","5","10","1") = "9"
    & skf18("8","10","8","6","6","1","1") = "9"
    & skf18("8","10","8","6","6","2","1") = "9"
    & skf18("8","10","8","6","6","3","1") = "9"
    & skf18("8","10","8","6","6","4","1") = "9"
    & skf18("8","10","8","6","6","5","1") = "9"
    & skf18("8","10","8","6","6","6","1") = "9"
    & skf18("8","10","8","6","6","7","1") = "9"
    & skf18("8","10","8","6","6","8","1") = "9"
    & skf18("8","10","8","6","6","9","1") = "9"
    & skf18("8","10","8","6","6","10","1") = "9"
    & skf18("8","10","8","6","7","1","1") = "9"
    & skf18("8","10","8","6","7","2","1") = "9"
    & skf18("8","10","8","6","7","3","1") = "9"
    & skf18("8","10","8","6","7","4","1") = "9"
    & skf18("8","10","8","6","7","5","1") = "9"
    & skf18("8","10","8","6","7","6","1") = "9"
    & skf18("8","10","8","6","7","7","1") = "9"
    & skf18("8","10","8","6","7","8","1") = "9"
    & skf18("8","10","8","6","7","9","1") = "9"
    & skf18("8","10","8","6","7","10","1") = "9"
    & skf18("8","10","8","6","8","1","1") = "9"
    & skf18("8","10","8","6","8","2","1") = "9"
    & skf18("8","10","8","6","8","3","1") = "9"
    & skf18("8","10","8","6","8","4","1") = "9"
    & skf18("8","10","8","6","8","5","1") = "9"
    & skf18("8","10","8","6","8","6","1") = "9"
    & skf18("8","10","8","6","8","7","1") = "9"
    & skf18("8","10","8","6","8","8","1") = "9"
    & skf18("8","10","8","6","8","9","1") = "9"
    & skf18("8","10","8","6","8","10","1") = "9"
    & skf18("8","10","8","6","9","1","1") = "9"
    & skf18("8","10","8","6","9","2","1") = "9"
    & skf18("8","10","8","6","9","3","1") = "9"
    & skf18("8","10","8","6","9","4","1") = "9"
    & skf18("8","10","8","6","9","5","1") = "9"
    & skf18("8","10","8","6","9","6","1") = "9"
    & skf18("8","10","8","6","9","7","1") = "9"
    & skf18("8","10","8","6","9","8","1") = "9"
    & skf18("8","10","8","6","9","9","1") = "9"
    & skf18("8","10","8","6","9","10","1") = "9"
    & skf18("8","10","8","6","10","1","1") = "9"
    & skf18("8","10","8","6","10","2","1") = "9"
    & skf18("8","10","8","6","10","3","1") = "9"
    & skf18("8","10","8","6","10","4","1") = "9"
    & skf18("8","10","8","6","10","5","1") = "9"
    & skf18("8","10","8","6","10","6","1") = "9"
    & skf18("8","10","8","6","10","7","1") = "9"
    & skf18("8","10","8","6","10","8","1") = "9"
    & skf18("8","10","8","6","10","9","1") = "9"
    & skf18("8","10","8","6","10","10","1") = "9"
    & skf18("8","10","8","7","1","1","1") = "9"
    & skf18("8","10","8","7","1","2","1") = "9"
    & skf18("8","10","8","7","1","3","1") = "9"
    & skf18("8","10","8","7","1","4","1") = "9"
    & skf18("8","10","8","7","1","5","1") = "9"
    & skf18("8","10","8","7","1","6","1") = "9"
    & skf18("8","10","8","7","1","7","1") = "9"
    & skf18("8","10","8","7","1","8","1") = "9"
    & skf18("8","10","8","7","1","9","1") = "9"
    & skf18("8","10","8","7","1","10","1") = "9"
    & skf18("8","10","8","7","2","1","1") = "9"
    & skf18("8","10","8","7","2","2","1") = "9"
    & skf18("8","10","8","7","2","3","1") = "9"
    & skf18("8","10","8","7","2","4","1") = "9"
    & skf18("8","10","8","7","2","5","1") = "9"
    & skf18("8","10","8","7","2","6","1") = "9"
    & skf18("8","10","8","7","2","7","1") = "9"
    & skf18("8","10","8","7","2","8","1") = "9"
    & skf18("8","10","8","7","2","9","1") = "9"
    & skf18("8","10","8","7","2","10","1") = "9"
    & skf18("8","10","8","7","3","1","1") = "9"
    & skf18("8","10","8","7","3","2","1") = "9"
    & skf18("8","10","8","7","3","3","1") = "9"
    & skf18("8","10","8","7","3","4","1") = "9"
    & skf18("8","10","8","7","3","5","1") = "9"
    & skf18("8","10","8","7","3","6","1") = "9"
    & skf18("8","10","8","7","3","7","1") = "9"
    & skf18("8","10","8","7","3","8","1") = "9"
    & skf18("8","10","8","7","3","9","1") = "9"
    & skf18("8","10","8","7","3","10","1") = "9"
    & skf18("8","10","8","7","4","1","1") = "9"
    & skf18("8","10","8","7","4","2","1") = "9"
    & skf18("8","10","8","7","4","3","1") = "9"
    & skf18("8","10","8","7","4","4","1") = "9"
    & skf18("8","10","8","7","4","5","1") = "9"
    & skf18("8","10","8","7","4","6","1") = "9"
    & skf18("8","10","8","7","4","7","1") = "9"
    & skf18("8","10","8","7","4","8","1") = "9"
    & skf18("8","10","8","7","4","9","1") = "9"
    & skf18("8","10","8","7","4","10","1") = "9"
    & skf18("8","10","8","7","5","1","1") = "9"
    & skf18("8","10","8","7","5","2","1") = "9"
    & skf18("8","10","8","7","5","3","1") = "9"
    & skf18("8","10","8","7","5","4","1") = "9"
    & skf18("8","10","8","7","5","5","1") = "9"
    & skf18("8","10","8","7","5","6","1") = "9"
    & skf18("8","10","8","7","5","7","1") = "9"
    & skf18("8","10","8","7","5","8","1") = "9"
    & skf18("8","10","8","7","5","9","1") = "9"
    & skf18("8","10","8","7","5","10","1") = "9"
    & skf18("8","10","8","7","6","1","1") = "9"
    & skf18("8","10","8","7","6","2","1") = "9"
    & skf18("8","10","8","7","6","3","1") = "9"
    & skf18("8","10","8","7","6","4","1") = "9"
    & skf18("8","10","8","7","6","5","1") = "9"
    & skf18("8","10","8","7","6","6","1") = "9"
    & skf18("8","10","8","7","6","7","1") = "9"
    & skf18("8","10","8","7","6","8","1") = "9"
    & skf18("8","10","8","7","6","9","1") = "9"
    & skf18("8","10","8","7","6","10","1") = "9"
    & skf18("8","10","8","7","7","1","1") = "9"
    & skf18("8","10","8","7","7","2","1") = "9"
    & skf18("8","10","8","7","7","3","1") = "9"
    & skf18("8","10","8","7","7","4","1") = "9"
    & skf18("8","10","8","7","7","5","1") = "9"
    & skf18("8","10","8","7","7","6","1") = "9"
    & skf18("8","10","8","7","7","7","1") = "9"
    & skf18("8","10","8","7","7","8","1") = "9"
    & skf18("8","10","8","7","7","9","1") = "9"
    & skf18("8","10","8","7","7","10","1") = "9"
    & skf18("8","10","8","7","8","1","1") = "9"
    & skf18("8","10","8","7","8","2","1") = "9"
    & skf18("8","10","8","7","8","3","1") = "9"
    & skf18("8","10","8","7","8","4","1") = "9"
    & skf18("8","10","8","7","8","5","1") = "9"
    & skf18("8","10","8","7","8","6","1") = "9"
    & skf18("8","10","8","7","8","7","1") = "9"
    & skf18("8","10","8","7","8","8","1") = "9"
    & skf18("8","10","8","7","8","9","1") = "9"
    & skf18("8","10","8","7","8","10","1") = "9"
    & skf18("8","10","8","7","9","1","1") = "9"
    & skf18("8","10","8","7","9","2","1") = "9"
    & skf18("8","10","8","7","9","3","1") = "9"
    & skf18("8","10","8","7","9","4","1") = "9"
    & skf18("8","10","8","7","9","5","1") = "9"
    & skf18("8","10","8","7","9","6","1") = "9"
    & skf18("8","10","8","7","9","7","1") = "9"
    & skf18("8","10","8","7","9","8","1") = "9"
    & skf18("8","10","8","7","9","9","1") = "9"
    & skf18("8","10","8","7","9","10","1") = "9"
    & skf18("8","10","8","7","10","1","1") = "9"
    & skf18("8","10","8","7","10","2","1") = "9"
    & skf18("8","10","8","7","10","3","1") = "9"
    & skf18("8","10","8","7","10","4","1") = "9"
    & skf18("8","10","8","7","10","5","1") = "9"
    & skf18("8","10","8","7","10","6","1") = "9"
    & skf18("8","10","8","7","10","7","1") = "9"
    & skf18("8","10","8","7","10","8","1") = "9"
    & skf18("8","10","8","7","10","9","1") = "9"
    & skf18("8","10","8","7","10","10","1") = "9"
    & skf18("8","10","8","8","1","1","1") = "9"
    & skf18("8","10","8","8","1","2","1") = "9"
    & skf18("8","10","8","8","1","3","1") = "9"
    & skf18("8","10","8","8","1","4","1") = "9"
    & skf18("8","10","8","8","1","5","1") = "9"
    & skf18("8","10","8","8","1","6","1") = "9"
    & skf18("8","10","8","8","1","7","1") = "9"
    & skf18("8","10","8","8","1","8","1") = "9"
    & skf18("8","10","8","8","1","9","1") = "9"
    & skf18("8","10","8","8","1","10","1") = "9"
    & skf18("8","10","8","8","2","1","1") = "9"
    & skf18("8","10","8","8","2","2","1") = "9"
    & skf18("8","10","8","8","2","3","1") = "9"
    & skf18("8","10","8","8","2","4","1") = "9"
    & skf18("8","10","8","8","2","5","1") = "9"
    & skf18("8","10","8","8","2","6","1") = "9"
    & skf18("8","10","8","8","2","7","1") = "9"
    & skf18("8","10","8","8","2","8","1") = "9"
    & skf18("8","10","8","8","2","9","1") = "9"
    & skf18("8","10","8","8","2","10","1") = "9"
    & skf18("8","10","8","8","3","1","1") = "9"
    & skf18("8","10","8","8","3","2","1") = "9"
    & skf18("8","10","8","8","3","3","1") = "9"
    & skf18("8","10","8","8","3","4","1") = "9"
    & skf18("8","10","8","8","3","5","1") = "9"
    & skf18("8","10","8","8","3","6","1") = "9"
    & skf18("8","10","8","8","3","7","1") = "9"
    & skf18("8","10","8","8","3","8","1") = "9"
    & skf18("8","10","8","8","3","9","1") = "9"
    & skf18("8","10","8","8","3","10","1") = "9"
    & skf18("8","10","8","8","4","1","1") = "9"
    & skf18("8","10","8","8","4","2","1") = "9"
    & skf18("8","10","8","8","4","3","1") = "9"
    & skf18("8","10","8","8","4","4","1") = "9"
    & skf18("8","10","8","8","4","5","1") = "9"
    & skf18("8","10","8","8","4","6","1") = "9"
    & skf18("8","10","8","8","4","7","1") = "9"
    & skf18("8","10","8","8","4","8","1") = "9"
    & skf18("8","10","8","8","4","9","1") = "9"
    & skf18("8","10","8","8","4","10","1") = "9"
    & skf18("8","10","8","8","5","1","1") = "9"
    & skf18("8","10","8","8","5","2","1") = "9"
    & skf18("8","10","8","8","5","3","1") = "9"
    & skf18("8","10","8","8","5","4","1") = "9"
    & skf18("8","10","8","8","5","5","1") = "9"
    & skf18("8","10","8","8","5","6","1") = "9"
    & skf18("8","10","8","8","5","7","1") = "9"
    & skf18("8","10","8","8","5","8","1") = "9"
    & skf18("8","10","8","8","5","9","1") = "9"
    & skf18("8","10","8","8","5","10","1") = "9"
    & skf18("8","10","8","8","6","1","1") = "9"
    & skf18("8","10","8","8","6","2","1") = "9"
    & skf18("8","10","8","8","6","3","1") = "9"
    & skf18("8","10","8","8","6","4","1") = "9"
    & skf18("8","10","8","8","6","5","1") = "9"
    & skf18("8","10","8","8","6","6","1") = "9"
    & skf18("8","10","8","8","6","7","1") = "9"
    & skf18("8","10","8","8","6","8","1") = "9"
    & skf18("8","10","8","8","6","9","1") = "9"
    & skf18("8","10","8","8","6","10","1") = "9"
    & skf18("8","10","8","8","7","1","1") = "9"
    & skf18("8","10","8","8","7","2","1") = "9"
    & skf18("8","10","8","8","7","3","1") = "9"
    & skf18("8","10","8","8","7","4","1") = "9"
    & skf18("8","10","8","8","7","5","1") = "9"
    & skf18("8","10","8","8","7","6","1") = "9"
    & skf18("8","10","8","8","7","7","1") = "9"
    & skf18("8","10","8","8","7","8","1") = "9"
    & skf18("8","10","8","8","7","9","1") = "9"
    & skf18("8","10","8","8","7","10","1") = "9"
    & skf18("8","10","8","8","8","1","1") = "9"
    & skf18("8","10","8","8","8","2","1") = "9"
    & skf18("8","10","8","8","8","3","1") = "9"
    & skf18("8","10","8","8","8","4","1") = "9"
    & skf18("8","10","8","8","8","5","1") = "9"
    & skf18("8","10","8","8","8","6","1") = "9"
    & skf18("8","10","8","8","8","7","1") = "9"
    & skf18("8","10","8","8","8","8","1") = "9"
    & skf18("8","10","8","8","8","9","1") = "9"
    & skf18("8","10","8","8","8","10","1") = "9"
    & skf18("8","10","8","8","9","1","1") = "9"
    & skf18("8","10","8","8","9","2","1") = "9"
    & skf18("8","10","8","8","9","3","1") = "9"
    & skf18("8","10","8","8","9","4","1") = "9"
    & skf18("8","10","8","8","9","5","1") = "9"
    & skf18("8","10","8","8","9","6","1") = "9"
    & skf18("8","10","8","8","9","7","1") = "9"
    & skf18("8","10","8","8","9","8","1") = "9"
    & skf18("8","10","8","8","9","9","1") = "9"
    & skf18("8","10","8","8","9","10","1") = "9"
    & skf18("8","10","8","8","10","1","1") = "9"
    & skf18("8","10","8","8","10","2","1") = "9"
    & skf18("8","10","8","8","10","3","1") = "9"
    & skf18("8","10","8","8","10","4","1") = "9"
    & skf18("8","10","8","8","10","5","1") = "9"
    & skf18("8","10","8","8","10","6","1") = "9"
    & skf18("8","10","8","8","10","7","1") = "9"
    & skf18("8","10","8","8","10","8","1") = "9"
    & skf18("8","10","8","8","10","9","1") = "9"
    & skf18("8","10","8","8","10","10","1") = "9"
    & skf18("8","10","8","9","1","1","1") = "9"
    & skf18("8","10","8","9","1","2","1") = "9"
    & skf18("8","10","8","9","1","3","1") = "9"
    & skf18("8","10","8","9","1","4","1") = "9"
    & skf18("8","10","8","9","1","5","1") = "9"
    & skf18("8","10","8","9","1","6","1") = "9"
    & skf18("8","10","8","9","1","7","1") = "9"
    & skf18("8","10","8","9","1","8","1") = "9"
    & skf18("8","10","8","9","1","9","1") = "9"
    & skf18("8","10","8","9","1","10","1") = "9"
    & skf18("8","10","8","9","2","1","1") = "9"
    & skf18("8","10","8","9","2","2","1") = "9"
    & skf18("8","10","8","9","2","3","1") = "9"
    & skf18("8","10","8","9","2","4","1") = "9"
    & skf18("8","10","8","9","2","5","1") = "9"
    & skf18("8","10","8","9","2","6","1") = "9"
    & skf18("8","10","8","9","2","7","1") = "9"
    & skf18("8","10","8","9","2","8","1") = "9"
    & skf18("8","10","8","9","2","9","1") = "9"
    & skf18("8","10","8","9","2","10","1") = "9"
    & skf18("8","10","8","9","3","1","1") = "9"
    & skf18("8","10","8","9","3","2","1") = "9"
    & skf18("8","10","8","9","3","3","1") = "9"
    & skf18("8","10","8","9","3","4","1") = "9"
    & skf18("8","10","8","9","3","5","1") = "9"
    & skf18("8","10","8","9","3","6","1") = "9"
    & skf18("8","10","8","9","3","7","1") = "9"
    & skf18("8","10","8","9","3","8","1") = "9"
    & skf18("8","10","8","9","3","9","1") = "9"
    & skf18("8","10","8","9","3","10","1") = "9"
    & skf18("8","10","8","9","4","1","1") = "9"
    & skf18("8","10","8","9","4","2","1") = "9"
    & skf18("8","10","8","9","4","3","1") = "9"
    & skf18("8","10","8","9","4","4","1") = "9"
    & skf18("8","10","8","9","4","5","1") = "9"
    & skf18("8","10","8","9","4","6","1") = "9"
    & skf18("8","10","8","9","4","7","1") = "9"
    & skf18("8","10","8","9","4","8","1") = "9"
    & skf18("8","10","8","9","4","9","1") = "9"
    & skf18("8","10","8","9","4","10","1") = "9"
    & skf18("8","10","8","9","5","1","1") = "9"
    & skf18("8","10","8","9","5","2","1") = "9"
    & skf18("8","10","8","9","5","3","1") = "9"
    & skf18("8","10","8","9","5","4","1") = "9"
    & skf18("8","10","8","9","5","5","1") = "9"
    & skf18("8","10","8","9","5","6","1") = "9"
    & skf18("8","10","8","9","5","7","1") = "9"
    & skf18("8","10","8","9","5","8","1") = "9"
    & skf18("8","10","8","9","5","9","1") = "9"
    & skf18("8","10","8","9","5","10","1") = "9"
    & skf18("8","10","8","9","6","1","1") = "9"
    & skf18("8","10","8","9","6","2","1") = "9"
    & skf18("8","10","8","9","6","3","1") = "9"
    & skf18("8","10","8","9","6","4","1") = "9"
    & skf18("8","10","8","9","6","5","1") = "9"
    & skf18("8","10","8","9","6","6","1") = "9"
    & skf18("8","10","8","9","6","7","1") = "9"
    & skf18("8","10","8","9","6","8","1") = "9"
    & skf18("8","10","8","9","6","9","1") = "9"
    & skf18("8","10","8","9","6","10","1") = "9"
    & skf18("8","10","8","9","7","1","1") = "9"
    & skf18("8","10","8","9","7","2","1") = "9"
    & skf18("8","10","8","9","7","3","1") = "9"
    & skf18("8","10","8","9","7","4","1") = "9"
    & skf18("8","10","8","9","7","5","1") = "9"
    & skf18("8","10","8","9","7","6","1") = "9"
    & skf18("8","10","8","9","7","7","1") = "9"
    & skf18("8","10","8","9","7","8","1") = "9"
    & skf18("8","10","8","9","7","9","1") = "9"
    & skf18("8","10","8","9","7","10","1") = "9"
    & skf18("8","10","8","9","8","1","1") = "9"
    & skf18("8","10","8","9","8","2","1") = "9"
    & skf18("8","10","8","9","8","3","1") = "9"
    & skf18("8","10","8","9","8","4","1") = "9"
    & skf18("8","10","8","9","8","5","1") = "9"
    & skf18("8","10","8","9","8","6","1") = "9"
    & skf18("8","10","8","9","8","7","1") = "9"
    & skf18("8","10","8","9","8","8","1") = "9"
    & skf18("8","10","8","9","8","9","1") = "9"
    & skf18("8","10","8","9","8","10","1") = "9"
    & skf18("8","10","8","9","9","1","1") = "9"
    & skf18("8","10","8","9","9","2","1") = "9"
    & skf18("8","10","8","9","9","3","1") = "9"
    & skf18("8","10","8","9","9","4","1") = "9"
    & skf18("8","10","8","9","9","5","1") = "9"
    & skf18("8","10","8","9","9","6","1") = "9"
    & skf18("8","10","8","9","9","7","1") = "9"
    & skf18("8","10","8","9","9","8","1") = "9"
    & skf18("8","10","8","9","9","9","1") = "9"
    & skf18("8","10","8","9","9","10","1") = "9"
    & skf18("8","10","8","9","10","1","1") = "9"
    & skf18("8","10","8","9","10","2","1") = "9"
    & skf18("8","10","8","9","10","3","1") = "9"
    & skf18("8","10","8","9","10","4","1") = "9"
    & skf18("8","10","8","9","10","5","1") = "9"
    & skf18("8","10","8","9","10","6","1") = "9"
    & skf18("8","10","8","9","10","7","1") = "9"
    & skf18("8","10","8","9","10","8","1") = "9"
    & skf18("8","10","8","9","10","9","1") = "9"
    & skf18("8","10","8","9","10","10","1") = "9"
    & skf18("8","10","8","10","1","1","1") = "9"
    & skf18("8","10","8","10","1","2","1") = "9"
    & skf18("8","10","8","10","1","3","1") = "9"
    & skf18("8","10","8","10","1","4","1") = "9"
    & skf18("8","10","8","10","1","5","1") = "9"
    & skf18("8","10","8","10","1","6","1") = "9"
    & skf18("8","10","8","10","1","7","1") = "9"
    & skf18("8","10","8","10","1","8","1") = "9"
    & skf18("8","10","8","10","1","9","1") = "9"
    & skf18("8","10","8","10","1","10","1") = "9"
    & skf18("8","10","8","10","2","1","1") = "9"
    & skf18("8","10","8","10","2","2","1") = "9"
    & skf18("8","10","8","10","2","3","1") = "9"
    & skf18("8","10","8","10","2","4","1") = "9"
    & skf18("8","10","8","10","2","5","1") = "9"
    & skf18("8","10","8","10","2","6","1") = "9"
    & skf18("8","10","8","10","2","7","1") = "9"
    & skf18("8","10","8","10","2","8","1") = "9"
    & skf18("8","10","8","10","2","9","1") = "9"
    & skf18("8","10","8","10","2","10","1") = "9"
    & skf18("8","10","8","10","3","1","1") = "9"
    & skf18("8","10","8","10","3","2","1") = "9"
    & skf18("8","10","8","10","3","3","1") = "9"
    & skf18("8","10","8","10","3","4","1") = "9"
    & skf18("8","10","8","10","3","5","1") = "9"
    & skf18("8","10","8","10","3","6","1") = "9"
    & skf18("8","10","8","10","3","7","1") = "9"
    & skf18("8","10","8","10","3","8","1") = "9"
    & skf18("8","10","8","10","3","9","1") = "9"
    & skf18("8","10","8","10","3","10","1") = "9"
    & skf18("8","10","8","10","4","1","1") = "9"
    & skf18("8","10","8","10","4","2","1") = "9"
    & skf18("8","10","8","10","4","3","1") = "9"
    & skf18("8","10","8","10","4","4","1") = "9"
    & skf18("8","10","8","10","4","5","1") = "9"
    & skf18("8","10","8","10","4","6","1") = "9"
    & skf18("8","10","8","10","4","7","1") = "9"
    & skf18("8","10","8","10","4","8","1") = "9"
    & skf18("8","10","8","10","4","9","1") = "9"
    & skf18("8","10","8","10","4","10","1") = "9"
    & skf18("8","10","8","10","5","1","1") = "9"
    & skf18("8","10","8","10","5","2","1") = "9"
    & skf18("8","10","8","10","5","3","1") = "9"
    & skf18("8","10","8","10","5","4","1") = "9"
    & skf18("8","10","8","10","5","5","1") = "9"
    & skf18("8","10","8","10","5","6","1") = "9"
    & skf18("8","10","8","10","5","7","1") = "9"
    & skf18("8","10","8","10","5","8","1") = "9"
    & skf18("8","10","8","10","5","9","1") = "9"
    & skf18("8","10","8","10","5","10","1") = "9"
    & skf18("8","10","8","10","6","1","1") = "9"
    & skf18("8","10","8","10","6","2","1") = "9"
    & skf18("8","10","8","10","6","3","1") = "9"
    & skf18("8","10","8","10","6","4","1") = "9"
    & skf18("8","10","8","10","6","5","1") = "9"
    & skf18("8","10","8","10","6","6","1") = "9"
    & skf18("8","10","8","10","6","7","1") = "9"
    & skf18("8","10","8","10","6","8","1") = "9"
    & skf18("8","10","8","10","6","9","1") = "9"
    & skf18("8","10","8","10","6","10","1") = "9"
    & skf18("8","10","8","10","7","1","1") = "9"
    & skf18("8","10","8","10","7","2","1") = "9"
    & skf18("8","10","8","10","7","3","1") = "9"
    & skf18("8","10","8","10","7","4","1") = "9"
    & skf18("8","10","8","10","7","5","1") = "9"
    & skf18("8","10","8","10","7","6","1") = "9"
    & skf18("8","10","8","10","7","7","1") = "9"
    & skf18("8","10","8","10","7","8","1") = "9"
    & skf18("8","10","8","10","7","9","1") = "9"
    & skf18("8","10","8","10","7","10","1") = "9"
    & skf18("8","10","8","10","8","1","1") = "9"
    & skf18("8","10","8","10","8","2","1") = "9"
    & skf18("8","10","8","10","8","3","1") = "9"
    & skf18("8","10","8","10","8","4","1") = "9"
    & skf18("8","10","8","10","8","5","1") = "9"
    & skf18("8","10","8","10","8","6","1") = "9"
    & skf18("8","10","8","10","8","7","1") = "9"
    & skf18("8","10","8","10","8","8","1") = "9"
    & skf18("8","10","8","10","8","9","1") = "9"
    & skf18("8","10","8","10","8","10","1") = "9"
    & skf18("8","10","8","10","9","1","1") = "9"
    & skf18("8","10","8","10","9","2","1") = "9"
    & skf18("8","10","8","10","9","3","1") = "9"
    & skf18("8","10","8","10","9","4","1") = "9"
    & skf18("8","10","8","10","9","5","1") = "9"
    & skf18("8","10","8","10","9","6","1") = "9"
    & skf18("8","10","8","10","9","7","1") = "9"
    & skf18("8","10","8","10","9","8","1") = "9"
    & skf18("8","10","8","10","9","9","1") = "9"
    & skf18("8","10","8","10","9","10","1") = "9"
    & skf18("8","10","8","10","10","1","1") = "9"
    & skf18("8","10","8","10","10","2","1") = "9"
    & skf18("8","10","8","10","10","3","1") = "9"
    & skf18("8","10","8","10","10","4","1") = "9"
    & skf18("8","10","8","10","10","5","1") = "9"
    & skf18("8","10","8","10","10","6","1") = "9"
    & skf18("8","10","8","10","10","7","1") = "9"
    & skf18("8","10","8","10","10","8","1") = "9"
    & skf18("8","10","8","10","10","9","1") = "9"
    & skf18("8","10","8","10","10","10","1") = "9"
    & skf18("8","10","9","1","1","1","1") = "9"
    & skf18("8","10","9","1","1","2","1") = "9"
    & skf18("8","10","9","1","1","3","1") = "9"
    & skf18("8","10","9","1","1","4","1") = "9"
    & skf18("8","10","9","1","1","5","1") = "9"
    & skf18("8","10","9","1","1","6","1") = "9"
    & skf18("8","10","9","1","1","7","1") = "9"
    & skf18("8","10","9","1","1","8","1") = "9"
    & skf18("8","10","9","1","1","9","1") = "9"
    & skf18("8","10","9","1","1","10","1") = "9"
    & skf18("8","10","9","1","2","1","1") = "9"
    & skf18("8","10","9","1","2","2","1") = "9"
    & skf18("8","10","9","1","2","3","1") = "9"
    & skf18("8","10","9","1","2","4","1") = "9"
    & skf18("8","10","9","1","2","5","1") = "9"
    & skf18("8","10","9","1","2","6","1") = "9"
    & skf18("8","10","9","1","2","7","1") = "9"
    & skf18("8","10","9","1","2","8","1") = "9"
    & skf18("8","10","9","1","2","9","1") = "9"
    & skf18("8","10","9","1","2","10","1") = "9"
    & skf18("8","10","9","1","3","1","1") = "9"
    & skf18("8","10","9","1","3","2","1") = "9"
    & skf18("8","10","9","1","3","3","1") = "9"
    & skf18("8","10","9","1","3","4","1") = "9"
    & skf18("8","10","9","1","3","5","1") = "9"
    & skf18("8","10","9","1","3","6","1") = "9"
    & skf18("8","10","9","1","3","7","1") = "9"
    & skf18("8","10","9","1","3","8","1") = "9"
    & skf18("8","10","9","1","3","9","1") = "9"
    & skf18("8","10","9","1","3","10","1") = "9"
    & skf18("8","10","9","1","4","1","1") = "9"
    & skf18("8","10","9","1","4","2","1") = "9"
    & skf18("8","10","9","1","4","3","1") = "9"
    & skf18("8","10","9","1","4","4","1") = "9"
    & skf18("8","10","9","1","4","5","1") = "9"
    & skf18("8","10","9","1","4","6","1") = "9"
    & skf18("8","10","9","1","4","7","1") = "9"
    & skf18("8","10","9","1","4","8","1") = "9"
    & skf18("8","10","9","1","4","9","1") = "9"
    & skf18("8","10","9","1","4","10","1") = "9"
    & skf18("8","10","9","1","5","1","1") = "9"
    & skf18("8","10","9","1","5","2","1") = "9"
    & skf18("8","10","9","1","5","3","1") = "9"
    & skf18("8","10","9","1","5","4","1") = "9"
    & skf18("8","10","9","1","5","5","1") = "9"
    & skf18("8","10","9","1","5","6","1") = "9"
    & skf18("8","10","9","1","5","7","1") = "9"
    & skf18("8","10","9","1","5","8","1") = "9"
    & skf18("8","10","9","1","5","9","1") = "9"
    & skf18("8","10","9","1","5","10","1") = "9"
    & skf18("8","10","9","1","6","1","1") = "9"
    & skf18("8","10","9","1","6","2","1") = "9"
    & skf18("8","10","9","1","6","3","1") = "9"
    & skf18("8","10","9","1","6","4","1") = "9"
    & skf18("8","10","9","1","6","5","1") = "9"
    & skf18("8","10","9","1","6","6","1") = "9"
    & skf18("8","10","9","1","6","7","1") = "9"
    & skf18("8","10","9","1","6","8","1") = "9"
    & skf18("8","10","9","1","6","9","1") = "9"
    & skf18("8","10","9","1","6","10","1") = "9"
    & skf18("8","10","9","1","7","1","1") = "9"
    & skf18("8","10","9","1","7","2","1") = "9"
    & skf18("8","10","9","1","7","3","1") = "9"
    & skf18("8","10","9","1","7","4","1") = "9"
    & skf18("8","10","9","1","7","5","1") = "9"
    & skf18("8","10","9","1","7","6","1") = "9"
    & skf18("8","10","9","1","7","7","1") = "9"
    & skf18("8","10","9","1","7","8","1") = "9"
    & skf18("8","10","9","1","7","9","1") = "9"
    & skf18("8","10","9","1","7","10","1") = "9"
    & skf18("8","10","9","1","8","1","1") = "9"
    & skf18("8","10","9","1","8","2","1") = "9"
    & skf18("8","10","9","1","8","3","1") = "9"
    & skf18("8","10","9","1","8","4","1") = "9"
    & skf18("8","10","9","1","8","5","1") = "9"
    & skf18("8","10","9","1","8","6","1") = "9"
    & skf18("8","10","9","1","8","7","1") = "9"
    & skf18("8","10","9","1","8","8","1") = "9"
    & skf18("8","10","9","1","8","9","1") = "9"
    & skf18("8","10","9","1","8","10","1") = "9"
    & skf18("8","10","9","1","9","1","1") = "9"
    & skf18("8","10","9","1","9","2","1") = "9"
    & skf18("8","10","9","1","9","3","1") = "9"
    & skf18("8","10","9","1","9","4","1") = "9"
    & skf18("8","10","9","1","9","5","1") = "9"
    & skf18("8","10","9","1","9","6","1") = "9"
    & skf18("8","10","9","1","9","7","1") = "9"
    & skf18("8","10","9","1","9","8","1") = "9"
    & skf18("8","10","9","1","9","9","1") = "9"
    & skf18("8","10","9","1","9","10","1") = "9"
    & skf18("8","10","9","1","10","1","1") = "9"
    & skf18("8","10","9","1","10","2","1") = "9"
    & skf18("8","10","9","1","10","3","1") = "9"
    & skf18("8","10","9","1","10","4","1") = "9"
    & skf18("8","10","9","1","10","5","1") = "9"
    & skf18("8","10","9","1","10","6","1") = "9"
    & skf18("8","10","9","1","10","7","1") = "9"
    & skf18("8","10","9","1","10","8","1") = "9"
    & skf18("8","10","9","1","10","9","1") = "9"
    & skf18("8","10","9","1","10","10","1") = "9"
    & skf18("8","10","9","2","1","1","1") = "9"
    & skf18("8","10","9","2","1","2","1") = "9"
    & skf18("8","10","9","2","1","3","1") = "9"
    & skf18("8","10","9","2","1","4","1") = "9"
    & skf18("8","10","9","2","1","5","1") = "9"
    & skf18("8","10","9","2","1","6","1") = "9"
    & skf18("8","10","9","2","1","7","1") = "9"
    & skf18("8","10","9","2","1","8","1") = "9"
    & skf18("8","10","9","2","1","9","1") = "9"
    & skf18("8","10","9","2","1","10","1") = "9"
    & skf18("8","10","9","2","2","1","1") = "9"
    & skf18("8","10","9","2","2","2","1") = "9"
    & skf18("8","10","9","2","2","3","1") = "9"
    & skf18("8","10","9","2","2","4","1") = "9"
    & skf18("8","10","9","2","2","5","1") = "9"
    & skf18("8","10","9","2","2","6","1") = "9"
    & skf18("8","10","9","2","2","7","1") = "9"
    & skf18("8","10","9","2","2","8","1") = "9"
    & skf18("8","10","9","2","2","9","1") = "9"
    & skf18("8","10","9","2","2","10","1") = "9"
    & skf18("8","10","9","2","3","1","1") = "9"
    & skf18("8","10","9","2","3","2","1") = "9"
    & skf18("8","10","9","2","3","3","1") = "9"
    & skf18("8","10","9","2","3","4","1") = "9"
    & skf18("8","10","9","2","3","5","1") = "9"
    & skf18("8","10","9","2","3","6","1") = "9"
    & skf18("8","10","9","2","3","7","1") = "9"
    & skf18("8","10","9","2","3","8","1") = "9"
    & skf18("8","10","9","2","3","9","1") = "9"
    & skf18("8","10","9","2","3","10","1") = "9"
    & skf18("8","10","9","2","4","1","1") = "9"
    & skf18("8","10","9","2","4","2","1") = "9"
    & skf18("8","10","9","2","4","3","1") = "9"
    & skf18("8","10","9","2","4","4","1") = "9"
    & skf18("8","10","9","2","4","5","1") = "9"
    & skf18("8","10","9","2","4","6","1") = "9"
    & skf18("8","10","9","2","4","7","1") = "9"
    & skf18("8","10","9","2","4","8","1") = "9"
    & skf18("8","10","9","2","4","9","1") = "9"
    & skf18("8","10","9","2","4","10","1") = "9"
    & skf18("8","10","9","2","5","1","1") = "9"
    & skf18("8","10","9","2","5","2","1") = "9"
    & skf18("8","10","9","2","5","3","1") = "9"
    & skf18("8","10","9","2","5","4","1") = "9"
    & skf18("8","10","9","2","5","5","1") = "9"
    & skf18("8","10","9","2","5","6","1") = "9"
    & skf18("8","10","9","2","5","7","1") = "9"
    & skf18("8","10","9","2","5","8","1") = "9"
    & skf18("8","10","9","2","5","9","1") = "9"
    & skf18("8","10","9","2","5","10","1") = "9"
    & skf18("8","10","9","2","6","1","1") = "9"
    & skf18("8","10","9","2","6","2","1") = "9"
    & skf18("8","10","9","2","6","3","1") = "9"
    & skf18("8","10","9","2","6","4","1") = "9"
    & skf18("8","10","9","2","6","5","1") = "9"
    & skf18("8","10","9","2","6","6","1") = "9"
    & skf18("8","10","9","2","6","7","1") = "9"
    & skf18("8","10","9","2","6","8","1") = "9"
    & skf18("8","10","9","2","6","9","1") = "9"
    & skf18("8","10","9","2","6","10","1") = "9"
    & skf18("8","10","9","2","7","1","1") = "9"
    & skf18("8","10","9","2","7","2","1") = "9"
    & skf18("8","10","9","2","7","3","1") = "9"
    & skf18("8","10","9","2","7","4","1") = "9"
    & skf18("8","10","9","2","7","5","1") = "9"
    & skf18("8","10","9","2","7","6","1") = "9"
    & skf18("8","10","9","2","7","7","1") = "9"
    & skf18("8","10","9","2","7","8","1") = "9"
    & skf18("8","10","9","2","7","9","1") = "9"
    & skf18("8","10","9","2","7","10","1") = "9"
    & skf18("8","10","9","2","8","1","1") = "9"
    & skf18("8","10","9","2","8","2","1") = "9"
    & skf18("8","10","9","2","8","3","1") = "9"
    & skf18("8","10","9","2","8","4","1") = "9"
    & skf18("8","10","9","2","8","5","1") = "9"
    & skf18("8","10","9","2","8","6","1") = "9"
    & skf18("8","10","9","2","8","7","1") = "9"
    & skf18("8","10","9","2","8","8","1") = "9"
    & skf18("8","10","9","2","8","9","1") = "9"
    & skf18("8","10","9","2","8","10","1") = "9"
    & skf18("8","10","9","2","9","1","1") = "9"
    & skf18("8","10","9","2","9","2","1") = "9"
    & skf18("8","10","9","2","9","3","1") = "9"
    & skf18("8","10","9","2","9","4","1") = "9"
    & skf18("8","10","9","2","9","5","1") = "9"
    & skf18("8","10","9","2","9","6","1") = "9"
    & skf18("8","10","9","2","9","7","1") = "9"
    & skf18("8","10","9","2","9","8","1") = "9"
    & skf18("8","10","9","2","9","9","1") = "9"
    & skf18("8","10","9","2","9","10","1") = "9"
    & skf18("8","10","9","2","10","1","1") = "9"
    & skf18("8","10","9","2","10","2","1") = "9"
    & skf18("8","10","9","2","10","3","1") = "9"
    & skf18("8","10","9","2","10","4","1") = "9"
    & skf18("8","10","9","2","10","5","1") = "9"
    & skf18("8","10","9","2","10","6","1") = "9"
    & skf18("8","10","9","2","10","7","1") = "9"
    & skf18("8","10","9","2","10","8","1") = "9"
    & skf18("8","10","9","2","10","9","1") = "9"
    & skf18("8","10","9","2","10","10","1") = "9"
    & skf18("8","10","9","3","1","1","1") = "9"
    & skf18("8","10","9","3","1","2","1") = "9"
    & skf18("8","10","9","3","1","3","1") = "9"
    & skf18("8","10","9","3","1","4","1") = "9"
    & skf18("8","10","9","3","1","5","1") = "9"
    & skf18("8","10","9","3","1","6","1") = "9"
    & skf18("8","10","9","3","1","7","1") = "9"
    & skf18("8","10","9","3","1","8","1") = "9"
    & skf18("8","10","9","3","1","9","1") = "9"
    & skf18("8","10","9","3","1","10","1") = "9"
    & skf18("8","10","9","3","2","1","1") = "9"
    & skf18("8","10","9","3","2","2","1") = "9"
    & skf18("8","10","9","3","2","3","1") = "9"
    & skf18("8","10","9","3","2","4","1") = "9"
    & skf18("8","10","9","3","2","5","1") = "9"
    & skf18("8","10","9","3","2","6","1") = "9"
    & skf18("8","10","9","3","2","7","1") = "9"
    & skf18("8","10","9","3","2","8","1") = "9"
    & skf18("8","10","9","3","2","9","1") = "9"
    & skf18("8","10","9","3","2","10","1") = "9"
    & skf18("8","10","9","3","3","1","1") = "9"
    & skf18("8","10","9","3","3","2","1") = "9"
    & skf18("8","10","9","3","3","3","1") = "9"
    & skf18("8","10","9","3","3","4","1") = "9"
    & skf18("8","10","9","3","3","5","1") = "9"
    & skf18("8","10","9","3","3","6","1") = "9"
    & skf18("8","10","9","3","3","7","1") = "9"
    & skf18("8","10","9","3","3","8","1") = "9"
    & skf18("8","10","9","3","3","9","1") = "9"
    & skf18("8","10","9","3","3","10","1") = "9"
    & skf18("8","10","9","3","4","1","1") = "9"
    & skf18("8","10","9","3","4","2","1") = "9"
    & skf18("8","10","9","3","4","3","1") = "9"
    & skf18("8","10","9","3","4","4","1") = "9"
    & skf18("8","10","9","3","4","5","1") = "9"
    & skf18("8","10","9","3","4","6","1") = "9"
    & skf18("8","10","9","3","4","7","1") = "9"
    & skf18("8","10","9","3","4","8","1") = "9"
    & skf18("8","10","9","3","4","9","1") = "9"
    & skf18("8","10","9","3","4","10","1") = "9"
    & skf18("8","10","9","3","5","1","1") = "9"
    & skf18("8","10","9","3","5","2","1") = "9"
    & skf18("8","10","9","3","5","3","1") = "9"
    & skf18("8","10","9","3","5","4","1") = "9"
    & skf18("8","10","9","3","5","5","1") = "9"
    & skf18("8","10","9","3","5","6","1") = "9"
    & skf18("8","10","9","3","5","7","1") = "9"
    & skf18("8","10","9","3","5","8","1") = "9"
    & skf18("8","10","9","3","5","9","1") = "9"
    & skf18("8","10","9","3","5","10","1") = "9"
    & skf18("8","10","9","3","6","1","1") = "9"
    & skf18("8","10","9","3","6","2","1") = "9"
    & skf18("8","10","9","3","6","3","1") = "9"
    & skf18("8","10","9","3","6","4","1") = "9"
    & skf18("8","10","9","3","6","5","1") = "9"
    & skf18("8","10","9","3","6","6","1") = "9"
    & skf18("8","10","9","3","6","7","1") = "9"
    & skf18("8","10","9","3","6","8","1") = "9"
    & skf18("8","10","9","3","6","9","1") = "9"
    & skf18("8","10","9","3","6","10","1") = "9"
    & skf18("8","10","9","3","7","1","1") = "9"
    & skf18("8","10","9","3","7","2","1") = "9"
    & skf18("8","10","9","3","7","3","1") = "9"
    & skf18("8","10","9","3","7","4","1") = "9"
    & skf18("8","10","9","3","7","5","1") = "9"
    & skf18("8","10","9","3","7","6","1") = "9"
    & skf18("8","10","9","3","7","7","1") = "9"
    & skf18("8","10","9","3","7","8","1") = "9"
    & skf18("8","10","9","3","7","9","1") = "9"
    & skf18("8","10","9","3","7","10","1") = "9"
    & skf18("8","10","9","3","8","1","1") = "9"
    & skf18("8","10","9","3","8","2","1") = "9"
    & skf18("8","10","9","3","8","3","1") = "9"
    & skf18("8","10","9","3","8","4","1") = "9"
    & skf18("8","10","9","3","8","5","1") = "9"
    & skf18("8","10","9","3","8","6","1") = "9"
    & skf18("8","10","9","3","8","7","1") = "9"
    & skf18("8","10","9","3","8","8","1") = "9"
    & skf18("8","10","9","3","8","9","1") = "9"
    & skf18("8","10","9","3","8","10","1") = "9"
    & skf18("8","10","9","3","9","1","1") = "9"
    & skf18("8","10","9","3","9","2","1") = "9"
    & skf18("8","10","9","3","9","3","1") = "9"
    & skf18("8","10","9","3","9","4","1") = "9"
    & skf18("8","10","9","3","9","5","1") = "9"
    & skf18("8","10","9","3","9","6","1") = "9"
    & skf18("8","10","9","3","9","7","1") = "9"
    & skf18("8","10","9","3","9","8","1") = "9"
    & skf18("8","10","9","3","9","9","1") = "9"
    & skf18("8","10","9","3","9","10","1") = "9"
    & skf18("8","10","9","3","10","1","1") = "9"
    & skf18("8","10","9","3","10","2","1") = "9"
    & skf18("8","10","9","3","10","3","1") = "9"
    & skf18("8","10","9","3","10","4","1") = "9"
    & skf18("8","10","9","3","10","5","1") = "9"
    & skf18("8","10","9","3","10","6","1") = "9"
    & skf18("8","10","9","3","10","7","1") = "9"
    & skf18("8","10","9","3","10","8","1") = "9"
    & skf18("8","10","9","3","10","9","1") = "9"
    & skf18("8","10","9","3","10","10","1") = "9"
    & skf18("8","10","9","4","1","1","1") = "9"
    & skf18("8","10","9","4","1","2","1") = "9"
    & skf18("8","10","9","4","1","3","1") = "9"
    & skf18("8","10","9","4","1","4","1") = "9"
    & skf18("8","10","9","4","1","5","1") = "9"
    & skf18("8","10","9","4","1","6","1") = "9"
    & skf18("8","10","9","4","1","7","1") = "9"
    & skf18("8","10","9","4","1","8","1") = "9"
    & skf18("8","10","9","4","1","9","1") = "9"
    & skf18("8","10","9","4","1","10","1") = "9"
    & skf18("8","10","9","4","2","1","1") = "9"
    & skf18("8","10","9","4","2","2","1") = "9"
    & skf18("8","10","9","4","2","3","1") = "9"
    & skf18("8","10","9","4","2","4","1") = "9"
    & skf18("8","10","9","4","2","5","1") = "9"
    & skf18("8","10","9","4","2","6","1") = "9"
    & skf18("8","10","9","4","2","7","1") = "9"
    & skf18("8","10","9","4","2","8","1") = "9"
    & skf18("8","10","9","4","2","9","1") = "9"
    & skf18("8","10","9","4","2","10","1") = "9"
    & skf18("8","10","9","4","3","1","1") = "9"
    & skf18("8","10","9","4","3","2","1") = "9"
    & skf18("8","10","9","4","3","3","1") = "9"
    & skf18("8","10","9","4","3","4","1") = "9"
    & skf18("8","10","9","4","3","5","1") = "9"
    & skf18("8","10","9","4","3","6","1") = "9"
    & skf18("8","10","9","4","3","7","1") = "9"
    & skf18("8","10","9","4","3","8","1") = "9"
    & skf18("8","10","9","4","3","9","1") = "9"
    & skf18("8","10","9","4","3","10","1") = "9"
    & skf18("8","10","9","4","4","1","1") = "9"
    & skf18("8","10","9","4","4","2","1") = "9"
    & skf18("8","10","9","4","4","3","1") = "9"
    & skf18("8","10","9","4","4","4","1") = "9"
    & skf18("8","10","9","4","4","5","1") = "9"
    & skf18("8","10","9","4","4","6","1") = "9"
    & skf18("8","10","9","4","4","7","1") = "9"
    & skf18("8","10","9","4","4","8","1") = "9"
    & skf18("8","10","9","4","4","9","1") = "9"
    & skf18("8","10","9","4","4","10","1") = "9"
    & skf18("8","10","9","4","5","1","1") = "9"
    & skf18("8","10","9","4","5","2","1") = "9"
    & skf18("8","10","9","4","5","3","1") = "9"
    & skf18("8","10","9","4","5","4","1") = "9"
    & skf18("8","10","9","4","5","5","1") = "9"
    & skf18("8","10","9","4","5","6","1") = "9"
    & skf18("8","10","9","4","5","7","1") = "9"
    & skf18("8","10","9","4","5","8","1") = "9"
    & skf18("8","10","9","4","5","9","1") = "9"
    & skf18("8","10","9","4","5","10","1") = "9"
    & skf18("8","10","9","4","6","1","1") = "9"
    & skf18("8","10","9","4","6","2","1") = "9"
    & skf18("8","10","9","4","6","3","1") = "9"
    & skf18("8","10","9","4","6","4","1") = "9"
    & skf18("8","10","9","4","6","5","1") = "9"
    & skf18("8","10","9","4","6","6","1") = "9"
    & skf18("8","10","9","4","6","7","1") = "9"
    & skf18("8","10","9","4","6","8","1") = "9"
    & skf18("8","10","9","4","6","9","1") = "9"
    & skf18("8","10","9","4","6","10","1") = "9"
    & skf18("8","10","9","4","7","1","1") = "9"
    & skf18("8","10","9","4","7","2","1") = "9"
    & skf18("8","10","9","4","7","3","1") = "9"
    & skf18("8","10","9","4","7","4","1") = "9"
    & skf18("8","10","9","4","7","5","1") = "9"
    & skf18("8","10","9","4","7","6","1") = "9"
    & skf18("8","10","9","4","7","7","1") = "9"
    & skf18("8","10","9","4","7","8","1") = "9"
    & skf18("8","10","9","4","7","9","1") = "9"
    & skf18("8","10","9","4","7","10","1") = "9"
    & skf18("8","10","9","4","8","1","1") = "9"
    & skf18("8","10","9","4","8","2","1") = "9"
    & skf18("8","10","9","4","8","3","1") = "9"
    & skf18("8","10","9","4","8","4","1") = "9"
    & skf18("8","10","9","4","8","5","1") = "9"
    & skf18("8","10","9","4","8","6","1") = "9"
    & skf18("8","10","9","4","8","7","1") = "9"
    & skf18("8","10","9","4","8","8","1") = "9"
    & skf18("8","10","9","4","8","9","1") = "9"
    & skf18("8","10","9","4","8","10","1") = "9"
    & skf18("8","10","9","4","9","1","1") = "9"
    & skf18("8","10","9","4","9","2","1") = "9"
    & skf18("8","10","9","4","9","3","1") = "9"
    & skf18("8","10","9","4","9","4","1") = "9"
    & skf18("8","10","9","4","9","5","1") = "9"
    & skf18("8","10","9","4","9","6","1") = "9"
    & skf18("8","10","9","4","9","7","1") = "9"
    & skf18("8","10","9","4","9","8","1") = "9"
    & skf18("8","10","9","4","9","9","1") = "9"
    & skf18("8","10","9","4","9","10","1") = "9"
    & skf18("8","10","9","4","10","1","1") = "9"
    & skf18("8","10","9","4","10","2","1") = "9"
    & skf18("8","10","9","4","10","3","1") = "9"
    & skf18("8","10","9","4","10","4","1") = "9"
    & skf18("8","10","9","4","10","5","1") = "9"
    & skf18("8","10","9","4","10","6","1") = "9"
    & skf18("8","10","9","4","10","7","1") = "9"
    & skf18("8","10","9","4","10","8","1") = "9"
    & skf18("8","10","9","4","10","9","1") = "9"
    & skf18("8","10","9","4","10","10","1") = "9"
    & skf18("8","10","9","5","1","1","1") = "9"
    & skf18("8","10","9","5","1","2","1") = "9"
    & skf18("8","10","9","5","1","3","1") = "9"
    & skf18("8","10","9","5","1","4","1") = "9"
    & skf18("8","10","9","5","1","5","1") = "9"
    & skf18("8","10","9","5","1","6","1") = "9"
    & skf18("8","10","9","5","1","7","1") = "9"
    & skf18("8","10","9","5","1","8","1") = "9"
    & skf18("8","10","9","5","1","9","1") = "9"
    & skf18("8","10","9","5","1","10","1") = "9"
    & skf18("8","10","9","5","2","1","1") = "9"
    & skf18("8","10","9","5","2","2","1") = "9"
    & skf18("8","10","9","5","2","3","1") = "9"
    & skf18("8","10","9","5","2","4","1") = "9"
    & skf18("8","10","9","5","2","5","1") = "9"
    & skf18("8","10","9","5","2","6","1") = "9"
    & skf18("8","10","9","5","2","7","1") = "9"
    & skf18("8","10","9","5","2","8","1") = "9"
    & skf18("8","10","9","5","2","9","1") = "9"
    & skf18("8","10","9","5","2","10","1") = "9"
    & skf18("8","10","9","5","3","1","1") = "9"
    & skf18("8","10","9","5","3","2","1") = "9"
    & skf18("8","10","9","5","3","3","1") = "9"
    & skf18("8","10","9","5","3","4","1") = "9"
    & skf18("8","10","9","5","3","5","1") = "9"
    & skf18("8","10","9","5","3","6","1") = "9"
    & skf18("8","10","9","5","3","7","1") = "9"
    & skf18("8","10","9","5","3","8","1") = "9"
    & skf18("8","10","9","5","3","9","1") = "9"
    & skf18("8","10","9","5","3","10","1") = "9"
    & skf18("8","10","9","5","4","1","1") = "9"
    & skf18("8","10","9","5","4","2","1") = "9"
    & skf18("8","10","9","5","4","3","1") = "9"
    & skf18("8","10","9","5","4","4","1") = "9"
    & skf18("8","10","9","5","4","5","1") = "9"
    & skf18("8","10","9","5","4","6","1") = "9"
    & skf18("8","10","9","5","4","7","1") = "9"
    & skf18("8","10","9","5","4","8","1") = "9"
    & skf18("8","10","9","5","4","9","1") = "9"
    & skf18("8","10","9","5","4","10","1") = "9"
    & skf18("8","10","9","5","5","1","1") = "9"
    & skf18("8","10","9","5","5","2","1") = "9"
    & skf18("8","10","9","5","5","3","1") = "9"
    & skf18("8","10","9","5","5","4","1") = "9"
    & skf18("8","10","9","5","5","5","1") = "9"
    & skf18("8","10","9","5","5","6","1") = "9"
    & skf18("8","10","9","5","5","7","1") = "9"
    & skf18("8","10","9","5","5","8","1") = "9"
    & skf18("8","10","9","5","5","9","1") = "9"
    & skf18("8","10","9","5","5","10","1") = "9"
    & skf18("8","10","9","5","6","1","1") = "9"
    & skf18("8","10","9","5","6","2","1") = "9"
    & skf18("8","10","9","5","6","3","1") = "9"
    & skf18("8","10","9","5","6","4","1") = "9"
    & skf18("8","10","9","5","6","5","1") = "9"
    & skf18("8","10","9","5","6","6","1") = "9"
    & skf18("8","10","9","5","6","7","1") = "9"
    & skf18("8","10","9","5","6","8","1") = "9"
    & skf18("8","10","9","5","6","9","1") = "9"
    & skf18("8","10","9","5","6","10","1") = "9"
    & skf18("8","10","9","5","7","1","1") = "9"
    & skf18("8","10","9","5","7","2","1") = "9"
    & skf18("8","10","9","5","7","3","1") = "9"
    & skf18("8","10","9","5","7","4","1") = "9"
    & skf18("8","10","9","5","7","5","1") = "9"
    & skf18("8","10","9","5","7","6","1") = "9"
    & skf18("8","10","9","5","7","7","1") = "9"
    & skf18("8","10","9","5","7","8","1") = "9"
    & skf18("8","10","9","5","7","9","1") = "9"
    & skf18("8","10","9","5","7","10","1") = "9"
    & skf18("8","10","9","5","8","1","1") = "9"
    & skf18("8","10","9","5","8","2","1") = "9"
    & skf18("8","10","9","5","8","3","1") = "9"
    & skf18("8","10","9","5","8","4","1") = "9"
    & skf18("8","10","9","5","8","5","1") = "9"
    & skf18("8","10","9","5","8","6","1") = "9"
    & skf18("8","10","9","5","8","7","1") = "9"
    & skf18("8","10","9","5","8","8","1") = "9"
    & skf18("8","10","9","5","8","9","1") = "9"
    & skf18("8","10","9","5","8","10","1") = "9"
    & skf18("8","10","9","5","9","1","1") = "9"
    & skf18("8","10","9","5","9","2","1") = "9"
    & skf18("8","10","9","5","9","3","1") = "9"
    & skf18("8","10","9","5","9","4","1") = "9"
    & skf18("8","10","9","5","9","5","1") = "9"
    & skf18("8","10","9","5","9","6","1") = "9"
    & skf18("8","10","9","5","9","7","1") = "9"
    & skf18("8","10","9","5","9","8","1") = "9"
    & skf18("8","10","9","5","9","9","1") = "9"
    & skf18("8","10","9","5","9","10","1") = "9"
    & skf18("8","10","9","5","10","1","1") = "9"
    & skf18("8","10","9","5","10","2","1") = "9"
    & skf18("8","10","9","5","10","3","1") = "9"
    & skf18("8","10","9","5","10","4","1") = "9"
    & skf18("8","10","9","5","10","5","1") = "9"
    & skf18("8","10","9","5","10","6","1") = "9"
    & skf18("8","10","9","5","10","7","1") = "9"
    & skf18("8","10","9","5","10","8","1") = "9"
    & skf18("8","10","9","5","10","9","1") = "9"
    & skf18("8","10","9","5","10","10","1") = "9"
    & skf18("8","10","9","6","1","1","1") = "9"
    & skf18("8","10","9","6","1","2","1") = "9"
    & skf18("8","10","9","6","1","3","1") = "9"
    & skf18("8","10","9","6","1","4","1") = "9"
    & skf18("8","10","9","6","1","5","1") = "9"
    & skf18("8","10","9","6","1","6","1") = "9"
    & skf18("8","10","9","6","1","7","1") = "9"
    & skf18("8","10","9","6","1","8","1") = "9"
    & skf18("8","10","9","6","1","9","1") = "9"
    & skf18("8","10","9","6","1","10","1") = "9"
    & skf18("8","10","9","6","2","1","1") = "9"
    & skf18("8","10","9","6","2","2","1") = "9"
    & skf18("8","10","9","6","2","3","1") = "9"
    & skf18("8","10","9","6","2","4","1") = "9"
    & skf18("8","10","9","6","2","5","1") = "9"
    & skf18("8","10","9","6","2","6","1") = "9"
    & skf18("8","10","9","6","2","7","1") = "9"
    & skf18("8","10","9","6","2","8","1") = "9"
    & skf18("8","10","9","6","2","9","1") = "9"
    & skf18("8","10","9","6","2","10","1") = "9"
    & skf18("8","10","9","6","3","1","1") = "9"
    & skf18("8","10","9","6","3","2","1") = "9"
    & skf18("8","10","9","6","3","3","1") = "9"
    & skf18("8","10","9","6","3","4","1") = "9"
    & skf18("8","10","9","6","3","5","1") = "9"
    & skf18("8","10","9","6","3","6","1") = "9"
    & skf18("8","10","9","6","3","7","1") = "9"
    & skf18("8","10","9","6","3","8","1") = "9"
    & skf18("8","10","9","6","3","9","1") = "9"
    & skf18("8","10","9","6","3","10","1") = "9"
    & skf18("8","10","9","6","4","1","1") = "9"
    & skf18("8","10","9","6","4","2","1") = "9"
    & skf18("8","10","9","6","4","3","1") = "9"
    & skf18("8","10","9","6","4","4","1") = "9"
    & skf18("8","10","9","6","4","5","1") = "9"
    & skf18("8","10","9","6","4","6","1") = "9"
    & skf18("8","10","9","6","4","7","1") = "9"
    & skf18("8","10","9","6","4","8","1") = "9"
    & skf18("8","10","9","6","4","9","1") = "9"
    & skf18("8","10","9","6","4","10","1") = "9"
    & skf18("8","10","9","6","5","1","1") = "9"
    & skf18("8","10","9","6","5","2","1") = "9"
    & skf18("8","10","9","6","5","3","1") = "9"
    & skf18("8","10","9","6","5","4","1") = "9"
    & skf18("8","10","9","6","5","5","1") = "9"
    & skf18("8","10","9","6","5","6","1") = "9"
    & skf18("8","10","9","6","5","7","1") = "9"
    & skf18("8","10","9","6","5","8","1") = "9"
    & skf18("8","10","9","6","5","9","1") = "9"
    & skf18("8","10","9","6","5","10","1") = "9"
    & skf18("8","10","9","6","6","1","1") = "9"
    & skf18("8","10","9","6","6","2","1") = "9"
    & skf18("8","10","9","6","6","3","1") = "9"
    & skf18("8","10","9","6","6","4","1") = "9"
    & skf18("8","10","9","6","6","5","1") = "9"
    & skf18("8","10","9","6","6","6","1") = "9"
    & skf18("8","10","9","6","6","7","1") = "9"
    & skf18("8","10","9","6","6","8","1") = "9"
    & skf18("8","10","9","6","6","9","1") = "9"
    & skf18("8","10","9","6","6","10","1") = "9"
    & skf18("8","10","9","6","7","1","1") = "9"
    & skf18("8","10","9","6","7","2","1") = "9"
    & skf18("8","10","9","6","7","3","1") = "9"
    & skf18("8","10","9","6","7","4","1") = "9"
    & skf18("8","10","9","6","7","5","1") = "9"
    & skf18("8","10","9","6","7","6","1") = "9"
    & skf18("8","10","9","6","7","7","1") = "9"
    & skf18("8","10","9","6","7","8","1") = "9"
    & skf18("8","10","9","6","7","9","1") = "9"
    & skf18("8","10","9","6","7","10","1") = "9"
    & skf18("8","10","9","6","8","1","1") = "9"
    & skf18("8","10","9","6","8","2","1") = "9"
    & skf18("8","10","9","6","8","3","1") = "9"
    & skf18("8","10","9","6","8","4","1") = "9"
    & skf18("8","10","9","6","8","5","1") = "9"
    & skf18("8","10","9","6","8","6","1") = "9"
    & skf18("8","10","9","6","8","7","1") = "9"
    & skf18("8","10","9","6","8","8","1") = "9"
    & skf18("8","10","9","6","8","9","1") = "9"
    & skf18("8","10","9","6","8","10","1") = "9"
    & skf18("8","10","9","6","9","1","1") = "9"
    & skf18("8","10","9","6","9","2","1") = "9"
    & skf18("8","10","9","6","9","3","1") = "9"
    & skf18("8","10","9","6","9","4","1") = "9"
    & skf18("8","10","9","6","9","5","1") = "9"
    & skf18("8","10","9","6","9","6","1") = "9"
    & skf18("8","10","9","6","9","7","1") = "9"
    & skf18("8","10","9","6","9","8","1") = "9"
    & skf18("8","10","9","6","9","9","1") = "9"
    & skf18("8","10","9","6","9","10","1") = "9"
    & skf18("8","10","9","6","10","1","1") = "9"
    & skf18("8","10","9","6","10","2","1") = "9"
    & skf18("8","10","9","6","10","3","1") = "9"
    & skf18("8","10","9","6","10","4","1") = "9"
    & skf18("8","10","9","6","10","5","1") = "9"
    & skf18("8","10","9","6","10","6","1") = "9"
    & skf18("8","10","9","6","10","7","1") = "9"
    & skf18("8","10","9","6","10","8","1") = "9"
    & skf18("8","10","9","6","10","9","1") = "9"
    & skf18("8","10","9","6","10","10","1") = "9"
    & skf18("8","10","9","7","1","1","1") = "9"
    & skf18("8","10","9","7","1","2","1") = "9"
    & skf18("8","10","9","7","1","3","1") = "9"
    & skf18("8","10","9","7","1","4","1") = "9"
    & skf18("8","10","9","7","1","5","1") = "9"
    & skf18("8","10","9","7","1","6","1") = "9"
    & skf18("8","10","9","7","1","7","1") = "9"
    & skf18("8","10","9","7","1","8","1") = "9"
    & skf18("8","10","9","7","1","9","1") = "9"
    & skf18("8","10","9","7","1","10","1") = "9"
    & skf18("8","10","9","7","2","1","1") = "9"
    & skf18("8","10","9","7","2","2","1") = "9"
    & skf18("8","10","9","7","2","3","1") = "9"
    & skf18("8","10","9","7","2","4","1") = "9"
    & skf18("8","10","9","7","2","5","1") = "9"
    & skf18("8","10","9","7","2","6","1") = "9"
    & skf18("8","10","9","7","2","7","1") = "9"
    & skf18("8","10","9","7","2","8","1") = "9"
    & skf18("8","10","9","7","2","9","1") = "9"
    & skf18("8","10","9","7","2","10","1") = "9"
    & skf18("8","10","9","7","3","1","1") = "9"
    & skf18("8","10","9","7","3","2","1") = "9"
    & skf18("8","10","9","7","3","3","1") = "9"
    & skf18("8","10","9","7","3","4","1") = "9"
    & skf18("8","10","9","7","3","5","1") = "9"
    & skf18("8","10","9","7","3","6","1") = "9"
    & skf18("8","10","9","7","3","7","1") = "9"
    & skf18("8","10","9","7","3","8","1") = "9"
    & skf18("8","10","9","7","3","9","1") = "9"
    & skf18("8","10","9","7","3","10","1") = "9"
    & skf18("8","10","9","7","4","1","1") = "9"
    & skf18("8","10","9","7","4","2","1") = "9"
    & skf18("8","10","9","7","4","3","1") = "9"
    & skf18("8","10","9","7","4","4","1") = "9"
    & skf18("8","10","9","7","4","5","1") = "9"
    & skf18("8","10","9","7","4","6","1") = "9"
    & skf18("8","10","9","7","4","7","1") = "9"
    & skf18("8","10","9","7","4","8","1") = "9"
    & skf18("8","10","9","7","4","9","1") = "9"
    & skf18("8","10","9","7","4","10","1") = "9"
    & skf18("8","10","9","7","5","1","1") = "9"
    & skf18("8","10","9","7","5","2","1") = "9"
    & skf18("8","10","9","7","5","3","1") = "9"
    & skf18("8","10","9","7","5","4","1") = "9"
    & skf18("8","10","9","7","5","5","1") = "9"
    & skf18("8","10","9","7","5","6","1") = "9"
    & skf18("8","10","9","7","5","7","1") = "9"
    & skf18("8","10","9","7","5","8","1") = "9"
    & skf18("8","10","9","7","5","9","1") = "9"
    & skf18("8","10","9","7","5","10","1") = "9"
    & skf18("8","10","9","7","6","1","1") = "9"
    & skf18("8","10","9","7","6","2","1") = "9"
    & skf18("8","10","9","7","6","3","1") = "9"
    & skf18("8","10","9","7","6","4","1") = "9"
    & skf18("8","10","9","7","6","5","1") = "9"
    & skf18("8","10","9","7","6","6","1") = "9"
    & skf18("8","10","9","7","6","7","1") = "9"
    & skf18("8","10","9","7","6","8","1") = "9"
    & skf18("8","10","9","7","6","9","1") = "9"
    & skf18("8","10","9","7","6","10","1") = "9"
    & skf18("8","10","9","7","7","1","1") = "9"
    & skf18("8","10","9","7","7","2","1") = "9"
    & skf18("8","10","9","7","7","3","1") = "9"
    & skf18("8","10","9","7","7","4","1") = "9"
    & skf18("8","10","9","7","7","5","1") = "9"
    & skf18("8","10","9","7","7","6","1") = "9"
    & skf18("8","10","9","7","7","7","1") = "9"
    & skf18("8","10","9","7","7","8","1") = "9"
    & skf18("8","10","9","7","7","9","1") = "9"
    & skf18("8","10","9","7","7","10","1") = "9"
    & skf18("8","10","9","7","8","1","1") = "9"
    & skf18("8","10","9","7","8","2","1") = "9"
    & skf18("8","10","9","7","8","3","1") = "9"
    & skf18("8","10","9","7","8","4","1") = "9"
    & skf18("8","10","9","7","8","5","1") = "9"
    & skf18("8","10","9","7","8","6","1") = "9"
    & skf18("8","10","9","7","8","7","1") = "9"
    & skf18("8","10","9","7","8","8","1") = "9"
    & skf18("8","10","9","7","8","9","1") = "9"
    & skf18("8","10","9","7","8","10","1") = "9"
    & skf18("8","10","9","7","9","1","1") = "9"
    & skf18("8","10","9","7","9","2","1") = "9"
    & skf18("8","10","9","7","9","3","1") = "9"
    & skf18("8","10","9","7","9","4","1") = "9"
    & skf18("8","10","9","7","9","5","1") = "9"
    & skf18("8","10","9","7","9","6","1") = "9"
    & skf18("8","10","9","7","9","7","1") = "9"
    & skf18("8","10","9","7","9","8","1") = "9"
    & skf18("8","10","9","7","9","9","1") = "9"
    & skf18("8","10","9","7","9","10","1") = "9"
    & skf18("8","10","9","7","10","1","1") = "9"
    & skf18("8","10","9","7","10","2","1") = "9"
    & skf18("8","10","9","7","10","3","1") = "9"
    & skf18("8","10","9","7","10","4","1") = "9"
    & skf18("8","10","9","7","10","5","1") = "9"
    & skf18("8","10","9","7","10","6","1") = "9"
    & skf18("8","10","9","7","10","7","1") = "9"
    & skf18("8","10","9","7","10","8","1") = "9"
    & skf18("8","10","9","7","10","9","1") = "9"
    & skf18("8","10","9","7","10","10","1") = "9"
    & skf18("8","10","9","8","1","1","1") = "9"
    & skf18("8","10","9","8","1","2","1") = "9"
    & skf18("8","10","9","8","1","3","1") = "9"
    & skf18("8","10","9","8","1","4","1") = "9"
    & skf18("8","10","9","8","1","5","1") = "9"
    & skf18("8","10","9","8","1","6","1") = "9"
    & skf18("8","10","9","8","1","7","1") = "9"
    & skf18("8","10","9","8","1","8","1") = "9"
    & skf18("8","10","9","8","1","9","1") = "9"
    & skf18("8","10","9","8","1","10","1") = "9"
    & skf18("8","10","9","8","2","1","1") = "9"
    & skf18("8","10","9","8","2","2","1") = "9"
    & skf18("8","10","9","8","2","3","1") = "9"
    & skf18("8","10","9","8","2","4","1") = "9"
    & skf18("8","10","9","8","2","5","1") = "9"
    & skf18("8","10","9","8","2","6","1") = "9"
    & skf18("8","10","9","8","2","7","1") = "9"
    & skf18("8","10","9","8","2","8","1") = "9"
    & skf18("8","10","9","8","2","9","1") = "9"
    & skf18("8","10","9","8","2","10","1") = "9"
    & skf18("8","10","9","8","3","1","1") = "9"
    & skf18("8","10","9","8","3","2","1") = "9"
    & skf18("8","10","9","8","3","3","1") = "9"
    & skf18("8","10","9","8","3","4","1") = "9"
    & skf18("8","10","9","8","3","5","1") = "9"
    & skf18("8","10","9","8","3","6","1") = "9"
    & skf18("8","10","9","8","3","7","1") = "9"
    & skf18("8","10","9","8","3","8","1") = "9"
    & skf18("8","10","9","8","3","9","1") = "9"
    & skf18("8","10","9","8","3","10","1") = "9"
    & skf18("8","10","9","8","4","1","1") = "9"
    & skf18("8","10","9","8","4","2","1") = "9"
    & skf18("8","10","9","8","4","3","1") = "9"
    & skf18("8","10","9","8","4","4","1") = "9"
    & skf18("8","10","9","8","4","5","1") = "9"
    & skf18("8","10","9","8","4","6","1") = "9"
    & skf18("8","10","9","8","4","7","1") = "9"
    & skf18("8","10","9","8","4","8","1") = "9"
    & skf18("8","10","9","8","4","9","1") = "9"
    & skf18("8","10","9","8","4","10","1") = "9"
    & skf18("8","10","9","8","5","1","1") = "9"
    & skf18("8","10","9","8","5","2","1") = "9"
    & skf18("8","10","9","8","5","3","1") = "9"
    & skf18("8","10","9","8","5","4","1") = "9"
    & skf18("8","10","9","8","5","5","1") = "9"
    & skf18("8","10","9","8","5","6","1") = "9"
    & skf18("8","10","9","8","5","7","1") = "9"
    & skf18("8","10","9","8","5","8","1") = "9"
    & skf18("8","10","9","8","5","9","1") = "9"
    & skf18("8","10","9","8","5","10","1") = "9"
    & skf18("8","10","9","8","6","1","1") = "9"
    & skf18("8","10","9","8","6","2","1") = "9"
    & skf18("8","10","9","8","6","3","1") = "9"
    & skf18("8","10","9","8","6","4","1") = "9"
    & skf18("8","10","9","8","6","5","1") = "9"
    & skf18("8","10","9","8","6","6","1") = "9"
    & skf18("8","10","9","8","6","7","1") = "9"
    & skf18("8","10","9","8","6","8","1") = "9"
    & skf18("8","10","9","8","6","9","1") = "9"
    & skf18("8","10","9","8","6","10","1") = "9"
    & skf18("8","10","9","8","7","1","1") = "9"
    & skf18("8","10","9","8","7","2","1") = "9"
    & skf18("8","10","9","8","7","3","1") = "9"
    & skf18("8","10","9","8","7","4","1") = "9"
    & skf18("8","10","9","8","7","5","1") = "9"
    & skf18("8","10","9","8","7","6","1") = "9"
    & skf18("8","10","9","8","7","7","1") = "9"
    & skf18("8","10","9","8","7","8","1") = "9"
    & skf18("8","10","9","8","7","9","1") = "9"
    & skf18("8","10","9","8","7","10","1") = "9"
    & skf18("8","10","9","8","8","1","1") = "9"
    & skf18("8","10","9","8","8","2","1") = "9"
    & skf18("8","10","9","8","8","3","1") = "9"
    & skf18("8","10","9","8","8","4","1") = "9"
    & skf18("8","10","9","8","8","5","1") = "9"
    & skf18("8","10","9","8","8","6","1") = "9"
    & skf18("8","10","9","8","8","7","1") = "9"
    & skf18("8","10","9","8","8","8","1") = "9"
    & skf18("8","10","9","8","8","9","1") = "9"
    & skf18("8","10","9","8","8","10","1") = "9"
    & skf18("8","10","9","8","9","1","1") = "9"
    & skf18("8","10","9","8","9","2","1") = "9"
    & skf18("8","10","9","8","9","3","1") = "9"
    & skf18("8","10","9","8","9","4","1") = "9"
    & skf18("8","10","9","8","9","5","1") = "9"
    & skf18("8","10","9","8","9","6","1") = "9"
    & skf18("8","10","9","8","9","7","1") = "9"
    & skf18("8","10","9","8","9","8","1") = "9"
    & skf18("8","10","9","8","9","9","1") = "9"
    & skf18("8","10","9","8","9","10","1") = "9"
    & skf18("8","10","9","8","10","1","1") = "9"
    & skf18("8","10","9","8","10","2","1") = "9"
    & skf18("8","10","9","8","10","3","1") = "9"
    & skf18("8","10","9","8","10","4","1") = "9"
    & skf18("8","10","9","8","10","5","1") = "9"
    & skf18("8","10","9","8","10","6","1") = "9"
    & skf18("8","10","9","8","10","7","1") = "9"
    & skf18("8","10","9","8","10","8","1") = "9"
    & skf18("8","10","9","8","10","9","1") = "9"
    & skf18("8","10","9","8","10","10","1") = "9"
    & skf18("8","10","9","9","1","1","1") = "9"
    & skf18("8","10","9","9","1","2","1") = "9"
    & skf18("8","10","9","9","1","3","1") = "9"
    & skf18("8","10","9","9","1","4","1") = "9"
    & skf18("8","10","9","9","1","5","1") = "9"
    & skf18("8","10","9","9","1","6","1") = "9"
    & skf18("8","10","9","9","1","7","1") = "9"
    & skf18("8","10","9","9","1","8","1") = "9"
    & skf18("8","10","9","9","1","9","1") = "9"
    & skf18("8","10","9","9","1","10","1") = "9"
    & skf18("8","10","9","9","2","1","1") = "9"
    & skf18("8","10","9","9","2","2","1") = "9"
    & skf18("8","10","9","9","2","3","1") = "9"
    & skf18("8","10","9","9","2","4","1") = "9"
    & skf18("8","10","9","9","2","5","1") = "9"
    & skf18("8","10","9","9","2","6","1") = "9"
    & skf18("8","10","9","9","2","7","1") = "9"
    & skf18("8","10","9","9","2","8","1") = "9"
    & skf18("8","10","9","9","2","9","1") = "9"
    & skf18("8","10","9","9","2","10","1") = "9"
    & skf18("8","10","9","9","3","1","1") = "9"
    & skf18("8","10","9","9","3","2","1") = "9"
    & skf18("8","10","9","9","3","3","1") = "9"
    & skf18("8","10","9","9","3","4","1") = "9"
    & skf18("8","10","9","9","3","5","1") = "9"
    & skf18("8","10","9","9","3","6","1") = "9"
    & skf18("8","10","9","9","3","7","1") = "9"
    & skf18("8","10","9","9","3","8","1") = "9"
    & skf18("8","10","9","9","3","9","1") = "9"
    & skf18("8","10","9","9","3","10","1") = "9"
    & skf18("8","10","9","9","4","1","1") = "9"
    & skf18("8","10","9","9","4","2","1") = "9"
    & skf18("8","10","9","9","4","3","1") = "9"
    & skf18("8","10","9","9","4","4","1") = "9"
    & skf18("8","10","9","9","4","5","1") = "9"
    & skf18("8","10","9","9","4","6","1") = "9"
    & skf18("8","10","9","9","4","7","1") = "9"
    & skf18("8","10","9","9","4","8","1") = "9"
    & skf18("8","10","9","9","4","9","1") = "9"
    & skf18("8","10","9","9","4","10","1") = "9"
    & skf18("8","10","9","9","5","1","1") = "9"
    & skf18("8","10","9","9","5","2","1") = "9"
    & skf18("8","10","9","9","5","3","1") = "9"
    & skf18("8","10","9","9","5","4","1") = "9"
    & skf18("8","10","9","9","5","5","1") = "9"
    & skf18("8","10","9","9","5","6","1") = "9"
    & skf18("8","10","9","9","5","7","1") = "9"
    & skf18("8","10","9","9","5","8","1") = "9"
    & skf18("8","10","9","9","5","9","1") = "9"
    & skf18("8","10","9","9","5","10","1") = "9"
    & skf18("8","10","9","9","6","1","1") = "9"
    & skf18("8","10","9","9","6","2","1") = "9"
    & skf18("8","10","9","9","6","3","1") = "9"
    & skf18("8","10","9","9","6","4","1") = "9"
    & skf18("8","10","9","9","6","5","1") = "9"
    & skf18("8","10","9","9","6","6","1") = "9"
    & skf18("8","10","9","9","6","7","1") = "9"
    & skf18("8","10","9","9","6","8","1") = "9"
    & skf18("8","10","9","9","6","9","1") = "9"
    & skf18("8","10","9","9","6","10","1") = "9"
    & skf18("8","10","9","9","7","1","1") = "9"
    & skf18("8","10","9","9","7","2","1") = "9"
    & skf18("8","10","9","9","7","3","1") = "9"
    & skf18("8","10","9","9","7","4","1") = "9"
    & skf18("8","10","9","9","7","5","1") = "9"
    & skf18("8","10","9","9","7","6","1") = "9"
    & skf18("8","10","9","9","7","7","1") = "9"
    & skf18("8","10","9","9","7","8","1") = "9"
    & skf18("8","10","9","9","7","9","1") = "9"
    & skf18("8","10","9","9","7","10","1") = "9"
    & skf18("8","10","9","9","8","1","1") = "9"
    & skf18("8","10","9","9","8","2","1") = "9"
    & skf18("8","10","9","9","8","3","1") = "9"
    & skf18("8","10","9","9","8","4","1") = "9"
    & skf18("8","10","9","9","8","5","1") = "9"
    & skf18("8","10","9","9","8","6","1") = "9"
    & skf18("8","10","9","9","8","7","1") = "9"
    & skf18("8","10","9","9","8","8","1") = "9"
    & skf18("8","10","9","9","8","9","1") = "9"
    & skf18("8","10","9","9","8","10","1") = "9"
    & skf18("8","10","9","9","9","1","1") = "9"
    & skf18("8","10","9","9","9","2","1") = "9"
    & skf18("8","10","9","9","9","3","1") = "9"
    & skf18("8","10","9","9","9","4","1") = "9"
    & skf18("8","10","9","9","9","5","1") = "9"
    & skf18("8","10","9","9","9","6","1") = "9"
    & skf18("8","10","9","9","9","7","1") = "9"
    & skf18("8","10","9","9","9","8","1") = "9"
    & skf18("8","10","9","9","9","9","1") = "9"
    & skf18("8","10","9","9","9","10","1") = "9"
    & skf18("8","10","9","9","10","1","1") = "9"
    & skf18("8","10","9","9","10","2","1") = "9"
    & skf18("8","10","9","9","10","3","1") = "9"
    & skf18("8","10","9","9","10","4","1") = "9"
    & skf18("8","10","9","9","10","5","1") = "9"
    & skf18("8","10","9","9","10","6","1") = "9"
    & skf18("8","10","9","9","10","7","1") = "9"
    & skf18("8","10","9","9","10","8","1") = "9"
    & skf18("8","10","9","9","10","9","1") = "9"
    & skf18("8","10","9","9","10","10","1") = "9"
    & skf18("8","10","9","10","1","1","1") = "9"
    & skf18("8","10","9","10","1","2","1") = "9"
    & skf18("8","10","9","10","1","3","1") = "9"
    & skf18("8","10","9","10","1","4","1") = "9"
    & skf18("8","10","9","10","1","5","1") = "9"
    & skf18("8","10","9","10","1","6","1") = "9"
    & skf18("8","10","9","10","1","7","1") = "9"
    & skf18("8","10","9","10","1","8","1") = "9"
    & skf18("8","10","9","10","1","9","1") = "9"
    & skf18("8","10","9","10","1","10","1") = "9"
    & skf18("8","10","9","10","2","1","1") = "9"
    & skf18("8","10","9","10","2","2","1") = "9"
    & skf18("8","10","9","10","2","3","1") = "9"
    & skf18("8","10","9","10","2","4","1") = "9"
    & skf18("8","10","9","10","2","5","1") = "9"
    & skf18("8","10","9","10","2","6","1") = "9"
    & skf18("8","10","9","10","2","7","1") = "9"
    & skf18("8","10","9","10","2","8","1") = "9"
    & skf18("8","10","9","10","2","9","1") = "9"
    & skf18("8","10","9","10","2","10","1") = "9"
    & skf18("8","10","9","10","3","1","1") = "9"
    & skf18("8","10","9","10","3","2","1") = "9"
    & skf18("8","10","9","10","3","3","1") = "9"
    & skf18("8","10","9","10","3","4","1") = "9"
    & skf18("8","10","9","10","3","5","1") = "9"
    & skf18("8","10","9","10","3","6","1") = "9"
    & skf18("8","10","9","10","3","7","1") = "9"
    & skf18("8","10","9","10","3","8","1") = "9"
    & skf18("8","10","9","10","3","9","1") = "9"
    & skf18("8","10","9","10","3","10","1") = "9"
    & skf18("8","10","9","10","4","1","1") = "9"
    & skf18("8","10","9","10","4","2","1") = "9"
    & skf18("8","10","9","10","4","3","1") = "9"
    & skf18("8","10","9","10","4","4","1") = "9"
    & skf18("8","10","9","10","4","5","1") = "9"
    & skf18("8","10","9","10","4","6","1") = "9"
    & skf18("8","10","9","10","4","7","1") = "9"
    & skf18("8","10","9","10","4","8","1") = "9"
    & skf18("8","10","9","10","4","9","1") = "9"
    & skf18("8","10","9","10","4","10","1") = "9"
    & skf18("8","10","9","10","5","1","1") = "9"
    & skf18("8","10","9","10","5","2","1") = "9"
    & skf18("8","10","9","10","5","3","1") = "9"
    & skf18("8","10","9","10","5","4","1") = "9"
    & skf18("8","10","9","10","5","5","1") = "9"
    & skf18("8","10","9","10","5","6","1") = "9"
    & skf18("8","10","9","10","5","7","1") = "9"
    & skf18("8","10","9","10","5","8","1") = "9"
    & skf18("8","10","9","10","5","9","1") = "9"
    & skf18("8","10","9","10","5","10","1") = "9"
    & skf18("8","10","9","10","6","1","1") = "9"
    & skf18("8","10","9","10","6","2","1") = "9"
    & skf18("8","10","9","10","6","3","1") = "9"
    & skf18("8","10","9","10","6","4","1") = "9"
    & skf18("8","10","9","10","6","5","1") = "9"
    & skf18("8","10","9","10","6","6","1") = "9"
    & skf18("8","10","9","10","6","7","1") = "9"
    & skf18("8","10","9","10","6","8","1") = "9"
    & skf18("8","10","9","10","6","9","1") = "9"
    & skf18("8","10","9","10","6","10","1") = "9"
    & skf18("8","10","9","10","7","1","1") = "9"
    & skf18("8","10","9","10","7","2","1") = "9"
    & skf18("8","10","9","10","7","3","1") = "9"
    & skf18("8","10","9","10","7","4","1") = "9"
    & skf18("8","10","9","10","7","5","1") = "9"
    & skf18("8","10","9","10","7","6","1") = "9"
    & skf18("8","10","9","10","7","7","1") = "9"
    & skf18("8","10","9","10","7","8","1") = "9"
    & skf18("8","10","9","10","7","9","1") = "9"
    & skf18("8","10","9","10","7","10","1") = "9"
    & skf18("8","10","9","10","8","1","1") = "9"
    & skf18("8","10","9","10","8","2","1") = "9"
    & skf18("8","10","9","10","8","3","1") = "9"
    & skf18("8","10","9","10","8","4","1") = "9"
    & skf18("8","10","9","10","8","5","1") = "9"
    & skf18("8","10","9","10","8","6","1") = "9"
    & skf18("8","10","9","10","8","7","1") = "9"
    & skf18("8","10","9","10","8","8","1") = "9"
    & skf18("8","10","9","10","8","9","1") = "9"
    & skf18("8","10","9","10","8","10","1") = "9"
    & skf18("8","10","9","10","9","1","1") = "9"
    & skf18("8","10","9","10","9","2","1") = "9"
    & skf18("8","10","9","10","9","3","1") = "9"
    & skf18("8","10","9","10","9","4","1") = "9"
    & skf18("8","10","9","10","9","5","1") = "9"
    & skf18("8","10","9","10","9","6","1") = "9"
    & skf18("8","10","9","10","9","7","1") = "9"
    & skf18("8","10","9","10","9","8","1") = "9"
    & skf18("8","10","9","10","9","9","1") = "9"
    & skf18("8","10","9","10","9","10","1") = "9"
    & skf18("8","10","9","10","10","1","1") = "9"
    & skf18("8","10","9","10","10","2","1") = "9"
    & skf18("8","10","9","10","10","3","1") = "9"
    & skf18("8","10","9","10","10","4","1") = "9"
    & skf18("8","10","9","10","10","5","1") = "9"
    & skf18("8","10","9","10","10","6","1") = "9"
    & skf18("8","10","9","10","10","7","1") = "9"
    & skf18("8","10","9","10","10","8","1") = "9"
    & skf18("8","10","9","10","10","9","1") = "9"
    & skf18("8","10","9","10","10","10","1") = "9"
    & skf18("8","10","10","1","1","1","1") = "9"
    & skf18("8","10","10","1","1","2","1") = "9"
    & skf18("8","10","10","1","1","3","1") = "9"
    & skf18("8","10","10","1","1","4","1") = "9"
    & skf18("8","10","10","1","1","5","1") = "9"
    & skf18("8","10","10","1","1","6","1") = "9"
    & skf18("8","10","10","1","1","7","1") = "9"
    & skf18("8","10","10","1","1","8","1") = "9"
    & skf18("8","10","10","1","1","9","1") = "9"
    & skf18("8","10","10","1","1","10","1") = "9"
    & skf18("8","10","10","1","2","1","1") = "9"
    & skf18("8","10","10","1","2","2","1") = "9"
    & skf18("8","10","10","1","2","3","1") = "9"
    & skf18("8","10","10","1","2","4","1") = "9"
    & skf18("8","10","10","1","2","5","1") = "9"
    & skf18("8","10","10","1","2","6","1") = "9"
    & skf18("8","10","10","1","2","7","1") = "9"
    & skf18("8","10","10","1","2","8","1") = "9"
    & skf18("8","10","10","1","2","9","1") = "9"
    & skf18("8","10","10","1","2","10","1") = "9"
    & skf18("8","10","10","1","3","1","1") = "9"
    & skf18("8","10","10","1","3","2","1") = "9"
    & skf18("8","10","10","1","3","3","1") = "9"
    & skf18("8","10","10","1","3","4","1") = "9"
    & skf18("8","10","10","1","3","5","1") = "9"
    & skf18("8","10","10","1","3","6","1") = "9"
    & skf18("8","10","10","1","3","7","1") = "9"
    & skf18("8","10","10","1","3","8","1") = "9"
    & skf18("8","10","10","1","3","9","1") = "9"
    & skf18("8","10","10","1","3","10","1") = "9"
    & skf18("8","10","10","1","4","1","1") = "9"
    & skf18("8","10","10","1","4","2","1") = "9"
    & skf18("8","10","10","1","4","3","1") = "9"
    & skf18("8","10","10","1","4","4","1") = "9"
    & skf18("8","10","10","1","4","5","1") = "9"
    & skf18("8","10","10","1","4","6","1") = "9"
    & skf18("8","10","10","1","4","7","1") = "9"
    & skf18("8","10","10","1","4","8","1") = "9"
    & skf18("8","10","10","1","4","9","1") = "9"
    & skf18("8","10","10","1","4","10","1") = "9"
    & skf18("8","10","10","1","5","1","1") = "9"
    & skf18("8","10","10","1","5","2","1") = "9"
    & skf18("8","10","10","1","5","3","1") = "9"
    & skf18("8","10","10","1","5","4","1") = "9"
    & skf18("8","10","10","1","5","5","1") = "9"
    & skf18("8","10","10","1","5","6","1") = "9"
    & skf18("8","10","10","1","5","7","1") = "9"
    & skf18("8","10","10","1","5","8","1") = "9"
    & skf18("8","10","10","1","5","9","1") = "9"
    & skf18("8","10","10","1","5","10","1") = "9"
    & skf18("8","10","10","1","6","1","1") = "9"
    & skf18("8","10","10","1","6","2","1") = "9"
    & skf18("8","10","10","1","6","3","1") = "9"
    & skf18("8","10","10","1","6","4","1") = "9"
    & skf18("8","10","10","1","6","5","1") = "9"
    & skf18("8","10","10","1","6","6","1") = "9"
    & skf18("8","10","10","1","6","7","1") = "9"
    & skf18("8","10","10","1","6","8","1") = "9"
    & skf18("8","10","10","1","6","9","1") = "9"
    & skf18("8","10","10","1","6","10","1") = "9"
    & skf18("8","10","10","1","7","1","1") = "9"
    & skf18("8","10","10","1","7","2","1") = "9"
    & skf18("8","10","10","1","7","3","1") = "9"
    & skf18("8","10","10","1","7","4","1") = "9"
    & skf18("8","10","10","1","7","5","1") = "9"
    & skf18("8","10","10","1","7","6","1") = "9"
    & skf18("8","10","10","1","7","7","1") = "9"
    & skf18("8","10","10","1","7","8","1") = "9"
    & skf18("8","10","10","1","7","9","1") = "9"
    & skf18("8","10","10","1","7","10","1") = "9"
    & skf18("8","10","10","1","8","1","1") = "9"
    & skf18("8","10","10","1","8","2","1") = "9"
    & skf18("8","10","10","1","8","3","1") = "9"
    & skf18("8","10","10","1","8","4","1") = "9"
    & skf18("8","10","10","1","8","5","1") = "9"
    & skf18("8","10","10","1","8","6","1") = "9"
    & skf18("8","10","10","1","8","7","1") = "9"
    & skf18("8","10","10","1","8","8","1") = "9"
    & skf18("8","10","10","1","8","9","1") = "9"
    & skf18("8","10","10","1","8","10","1") = "9"
    & skf18("8","10","10","1","9","1","1") = "9"
    & skf18("8","10","10","1","9","2","1") = "9"
    & skf18("8","10","10","1","9","3","1") = "9"
    & skf18("8","10","10","1","9","4","1") = "9"
    & skf18("8","10","10","1","9","5","1") = "9"
    & skf18("8","10","10","1","9","6","1") = "9"
    & skf18("8","10","10","1","9","7","1") = "9"
    & skf18("8","10","10","1","9","8","1") = "9"
    & skf18("8","10","10","1","9","9","1") = "9"
    & skf18("8","10","10","1","9","10","1") = "9"
    & skf18("8","10","10","1","10","1","1") = "9"
    & skf18("8","10","10","1","10","2","1") = "9"
    & skf18("8","10","10","1","10","3","1") = "9"
    & skf18("8","10","10","1","10","4","1") = "9"
    & skf18("8","10","10","1","10","5","1") = "9"
    & skf18("8","10","10","1","10","6","1") = "9"
    & skf18("8","10","10","1","10","7","1") = "9"
    & skf18("8","10","10","1","10","8","1") = "9"
    & skf18("8","10","10","1","10","9","1") = "9"
    & skf18("8","10","10","1","10","10","1") = "9"
    & skf18("8","10","10","2","1","1","1") = "9"
    & skf18("8","10","10","2","1","2","1") = "9"
    & skf18("8","10","10","2","1","3","1") = "9"
    & skf18("8","10","10","2","1","4","1") = "9"
    & skf18("8","10","10","2","1","5","1") = "9"
    & skf18("8","10","10","2","1","6","1") = "9"
    & skf18("8","10","10","2","1","7","1") = "9"
    & skf18("8","10","10","2","1","8","1") = "9"
    & skf18("8","10","10","2","1","9","1") = "9"
    & skf18("8","10","10","2","1","10","1") = "9"
    & skf18("8","10","10","2","2","1","1") = "9"
    & skf18("8","10","10","2","2","2","1") = "9"
    & skf18("8","10","10","2","2","3","1") = "9"
    & skf18("8","10","10","2","2","4","1") = "9"
    & skf18("8","10","10","2","2","5","1") = "9"
    & skf18("8","10","10","2","2","6","1") = "9"
    & skf18("8","10","10","2","2","7","1") = "9"
    & skf18("8","10","10","2","2","8","1") = "9"
    & skf18("8","10","10","2","2","9","1") = "9"
    & skf18("8","10","10","2","2","10","1") = "9"
    & skf18("8","10","10","2","3","1","1") = "9"
    & skf18("8","10","10","2","3","2","1") = "9"
    & skf18("8","10","10","2","3","3","1") = "9"
    & skf18("8","10","10","2","3","4","1") = "9"
    & skf18("8","10","10","2","3","5","1") = "9"
    & skf18("8","10","10","2","3","6","1") = "9"
    & skf18("8","10","10","2","3","7","1") = "9"
    & skf18("8","10","10","2","3","8","1") = "9"
    & skf18("8","10","10","2","3","9","1") = "9"
    & skf18("8","10","10","2","3","10","1") = "9"
    & skf18("8","10","10","2","4","1","1") = "9"
    & skf18("8","10","10","2","4","2","1") = "9"
    & skf18("8","10","10","2","4","3","1") = "9"
    & skf18("8","10","10","2","4","4","1") = "9"
    & skf18("8","10","10","2","4","5","1") = "9"
    & skf18("8","10","10","2","4","6","1") = "9"
    & skf18("8","10","10","2","4","7","1") = "9"
    & skf18("8","10","10","2","4","8","1") = "9"
    & skf18("8","10","10","2","4","9","1") = "9"
    & skf18("8","10","10","2","4","10","1") = "9"
    & skf18("8","10","10","2","5","1","1") = "9"
    & skf18("8","10","10","2","5","2","1") = "9"
    & skf18("8","10","10","2","5","3","1") = "9"
    & skf18("8","10","10","2","5","4","1") = "9"
    & skf18("8","10","10","2","5","5","1") = "9"
    & skf18("8","10","10","2","5","6","1") = "9"
    & skf18("8","10","10","2","5","7","1") = "9"
    & skf18("8","10","10","2","5","8","1") = "9"
    & skf18("8","10","10","2","5","9","1") = "9"
    & skf18("8","10","10","2","5","10","1") = "9"
    & skf18("8","10","10","2","6","1","1") = "9"
    & skf18("8","10","10","2","6","2","1") = "9"
    & skf18("8","10","10","2","6","3","1") = "9"
    & skf18("8","10","10","2","6","4","1") = "9"
    & skf18("8","10","10","2","6","5","1") = "9"
    & skf18("8","10","10","2","6","6","1") = "9"
    & skf18("8","10","10","2","6","7","1") = "9"
    & skf18("8","10","10","2","6","8","1") = "9"
    & skf18("8","10","10","2","6","9","1") = "9"
    & skf18("8","10","10","2","6","10","1") = "9"
    & skf18("8","10","10","2","7","1","1") = "9"
    & skf18("8","10","10","2","7","2","1") = "9"
    & skf18("8","10","10","2","7","3","1") = "9"
    & skf18("8","10","10","2","7","4","1") = "9"
    & skf18("8","10","10","2","7","5","1") = "9"
    & skf18("8","10","10","2","7","6","1") = "9"
    & skf18("8","10","10","2","7","7","1") = "9"
    & skf18("8","10","10","2","7","8","1") = "9"
    & skf18("8","10","10","2","7","9","1") = "9"
    & skf18("8","10","10","2","7","10","1") = "9"
    & skf18("8","10","10","2","8","1","1") = "9"
    & skf18("8","10","10","2","8","2","1") = "9"
    & skf18("8","10","10","2","8","3","1") = "9"
    & skf18("8","10","10","2","8","4","1") = "9"
    & skf18("8","10","10","2","8","5","1") = "9"
    & skf18("8","10","10","2","8","6","1") = "9"
    & skf18("8","10","10","2","8","7","1") = "9"
    & skf18("8","10","10","2","8","8","1") = "9"
    & skf18("8","10","10","2","8","9","1") = "9"
    & skf18("8","10","10","2","8","10","1") = "9"
    & skf18("8","10","10","2","9","1","1") = "9"
    & skf18("8","10","10","2","9","2","1") = "9"
    & skf18("8","10","10","2","9","3","1") = "9"
    & skf18("8","10","10","2","9","4","1") = "9"
    & skf18("8","10","10","2","9","5","1") = "9"
    & skf18("8","10","10","2","9","6","1") = "9"
    & skf18("8","10","10","2","9","7","1") = "9"
    & skf18("8","10","10","2","9","8","1") = "9"
    & skf18("8","10","10","2","9","9","1") = "9"
    & skf18("8","10","10","2","9","10","1") = "9"
    & skf18("8","10","10","2","10","1","1") = "9"
    & skf18("8","10","10","2","10","2","1") = "9"
    & skf18("8","10","10","2","10","3","1") = "9"
    & skf18("8","10","10","2","10","4","1") = "9"
    & skf18("8","10","10","2","10","5","1") = "9"
    & skf18("8","10","10","2","10","6","1") = "9"
    & skf18("8","10","10","2","10","7","1") = "9"
    & skf18("8","10","10","2","10","8","1") = "9"
    & skf18("8","10","10","2","10","9","1") = "9"
    & skf18("8","10","10","2","10","10","1") = "9"
    & skf18("8","10","10","3","1","1","1") = "9"
    & skf18("8","10","10","3","1","2","1") = "9"
    & skf18("8","10","10","3","1","3","1") = "9"
    & skf18("8","10","10","3","1","4","1") = "9"
    & skf18("8","10","10","3","1","5","1") = "9"
    & skf18("8","10","10","3","1","6","1") = "9"
    & skf18("8","10","10","3","1","7","1") = "9"
    & skf18("8","10","10","3","1","8","1") = "9"
    & skf18("8","10","10","3","1","9","1") = "9"
    & skf18("8","10","10","3","1","10","1") = "9"
    & skf18("8","10","10","3","2","1","1") = "9"
    & skf18("8","10","10","3","2","2","1") = "9"
    & skf18("8","10","10","3","2","3","1") = "9"
    & skf18("8","10","10","3","2","4","1") = "9"
    & skf18("8","10","10","3","2","5","1") = "9"
    & skf18("8","10","10","3","2","6","1") = "9"
    & skf18("8","10","10","3","2","7","1") = "9"
    & skf18("8","10","10","3","2","8","1") = "9"
    & skf18("8","10","10","3","2","9","1") = "9"
    & skf18("8","10","10","3","2","10","1") = "9"
    & skf18("8","10","10","3","3","1","1") = "9"
    & skf18("8","10","10","3","3","2","1") = "9"
    & skf18("8","10","10","3","3","3","1") = "9"
    & skf18("8","10","10","3","3","4","1") = "9"
    & skf18("8","10","10","3","3","5","1") = "9"
    & skf18("8","10","10","3","3","6","1") = "9"
    & skf18("8","10","10","3","3","7","1") = "9"
    & skf18("8","10","10","3","3","8","1") = "9"
    & skf18("8","10","10","3","3","9","1") = "9"
    & skf18("8","10","10","3","3","10","1") = "9"
    & skf18("8","10","10","3","4","1","1") = "9"
    & skf18("8","10","10","3","4","2","1") = "9"
    & skf18("8","10","10","3","4","3","1") = "9"
    & skf18("8","10","10","3","4","4","1") = "9"
    & skf18("8","10","10","3","4","5","1") = "9"
    & skf18("8","10","10","3","4","6","1") = "9"
    & skf18("8","10","10","3","4","7","1") = "9"
    & skf18("8","10","10","3","4","8","1") = "9"
    & skf18("8","10","10","3","4","9","1") = "9"
    & skf18("8","10","10","3","4","10","1") = "9"
    & skf18("8","10","10","3","5","1","1") = "9"
    & skf18("8","10","10","3","5","2","1") = "9"
    & skf18("8","10","10","3","5","3","1") = "9"
    & skf18("8","10","10","3","5","4","1") = "9"
    & skf18("8","10","10","3","5","5","1") = "9"
    & skf18("8","10","10","3","5","6","1") = "9"
    & skf18("8","10","10","3","5","7","1") = "9"
    & skf18("8","10","10","3","5","8","1") = "9"
    & skf18("8","10","10","3","5","9","1") = "9"
    & skf18("8","10","10","3","5","10","1") = "9"
    & skf18("8","10","10","3","6","1","1") = "9"
    & skf18("8","10","10","3","6","2","1") = "9"
    & skf18("8","10","10","3","6","3","1") = "9"
    & skf18("8","10","10","3","6","4","1") = "9"
    & skf18("8","10","10","3","6","5","1") = "9"
    & skf18("8","10","10","3","6","6","1") = "9"
    & skf18("8","10","10","3","6","7","1") = "9"
    & skf18("8","10","10","3","6","8","1") = "9"
    & skf18("8","10","10","3","6","9","1") = "9"
    & skf18("8","10","10","3","6","10","1") = "9"
    & skf18("8","10","10","3","7","1","1") = "9"
    & skf18("8","10","10","3","7","2","1") = "9"
    & skf18("8","10","10","3","7","3","1") = "9"
    & skf18("8","10","10","3","7","4","1") = "9"
    & skf18("8","10","10","3","7","5","1") = "9"
    & skf18("8","10","10","3","7","6","1") = "9"
    & skf18("8","10","10","3","7","7","1") = "9"
    & skf18("8","10","10","3","7","8","1") = "9"
    & skf18("8","10","10","3","7","9","1") = "9"
    & skf18("8","10","10","3","7","10","1") = "9"
    & skf18("8","10","10","3","8","1","1") = "9"
    & skf18("8","10","10","3","8","2","1") = "9"
    & skf18("8","10","10","3","8","3","1") = "9"
    & skf18("8","10","10","3","8","4","1") = "9"
    & skf18("8","10","10","3","8","5","1") = "9"
    & skf18("8","10","10","3","8","6","1") = "9"
    & skf18("8","10","10","3","8","7","1") = "9"
    & skf18("8","10","10","3","8","8","1") = "9"
    & skf18("8","10","10","3","8","9","1") = "9"
    & skf18("8","10","10","3","8","10","1") = "9"
    & skf18("8","10","10","3","9","1","1") = "9"
    & skf18("8","10","10","3","9","2","1") = "9"
    & skf18("8","10","10","3","9","3","1") = "9"
    & skf18("8","10","10","3","9","4","1") = "9"
    & skf18("8","10","10","3","9","5","1") = "9"
    & skf18("8","10","10","3","9","6","1") = "9"
    & skf18("8","10","10","3","9","7","1") = "9"
    & skf18("8","10","10","3","9","8","1") = "9"
    & skf18("8","10","10","3","9","9","1") = "9"
    & skf18("8","10","10","3","9","10","1") = "9"
    & skf18("8","10","10","3","10","1","1") = "9"
    & skf18("8","10","10","3","10","2","1") = "9"
    & skf18("8","10","10","3","10","3","1") = "9"
    & skf18("8","10","10","3","10","4","1") = "9"
    & skf18("8","10","10","3","10","5","1") = "9"
    & skf18("8","10","10","3","10","6","1") = "9"
    & skf18("8","10","10","3","10","7","1") = "9"
    & skf18("8","10","10","3","10","8","1") = "9"
    & skf18("8","10","10","3","10","9","1") = "9"
    & skf18("8","10","10","3","10","10","1") = "9"
    & skf18("8","10","10","4","1","1","1") = "9"
    & skf18("8","10","10","4","1","2","1") = "9"
    & skf18("8","10","10","4","1","3","1") = "9"
    & skf18("8","10","10","4","1","4","1") = "9"
    & skf18("8","10","10","4","1","5","1") = "9"
    & skf18("8","10","10","4","1","6","1") = "9"
    & skf18("8","10","10","4","1","7","1") = "9"
    & skf18("8","10","10","4","1","8","1") = "9"
    & skf18("8","10","10","4","1","9","1") = "9"
    & skf18("8","10","10","4","1","10","1") = "9"
    & skf18("8","10","10","4","2","1","1") = "9"
    & skf18("8","10","10","4","2","2","1") = "9"
    & skf18("8","10","10","4","2","3","1") = "9"
    & skf18("8","10","10","4","2","4","1") = "9"
    & skf18("8","10","10","4","2","5","1") = "9"
    & skf18("8","10","10","4","2","6","1") = "9"
    & skf18("8","10","10","4","2","7","1") = "9"
    & skf18("8","10","10","4","2","8","1") = "9"
    & skf18("8","10","10","4","2","9","1") = "9"
    & skf18("8","10","10","4","2","10","1") = "9"
    & skf18("8","10","10","4","3","1","1") = "9"
    & skf18("8","10","10","4","3","2","1") = "9"
    & skf18("8","10","10","4","3","3","1") = "9"
    & skf18("8","10","10","4","3","4","1") = "9"
    & skf18("8","10","10","4","3","5","1") = "9"
    & skf18("8","10","10","4","3","6","1") = "9"
    & skf18("8","10","10","4","3","7","1") = "9"
    & skf18("8","10","10","4","3","8","1") = "9"
    & skf18("8","10","10","4","3","9","1") = "9"
    & skf18("8","10","10","4","3","10","1") = "9"
    & skf18("8","10","10","4","4","1","1") = "9"
    & skf18("8","10","10","4","4","2","1") = "9"
    & skf18("8","10","10","4","4","3","1") = "9"
    & skf18("8","10","10","4","4","4","1") = "9"
    & skf18("8","10","10","4","4","5","1") = "9"
    & skf18("8","10","10","4","4","6","1") = "9"
    & skf18("8","10","10","4","4","7","1") = "9"
    & skf18("8","10","10","4","4","8","1") = "9"
    & skf18("8","10","10","4","4","9","1") = "9"
    & skf18("8","10","10","4","4","10","1") = "9"
    & skf18("8","10","10","4","5","1","1") = "9"
    & skf18("8","10","10","4","5","2","1") = "9"
    & skf18("8","10","10","4","5","3","1") = "9"
    & skf18("8","10","10","4","5","4","1") = "9"
    & skf18("8","10","10","4","5","5","1") = "9"
    & skf18("8","10","10","4","5","6","1") = "9"
    & skf18("8","10","10","4","5","7","1") = "9"
    & skf18("8","10","10","4","5","8","1") = "9"
    & skf18("8","10","10","4","5","9","1") = "9"
    & skf18("8","10","10","4","5","10","1") = "9"
    & skf18("8","10","10","4","6","1","1") = "9"
    & skf18("8","10","10","4","6","2","1") = "9"
    & skf18("8","10","10","4","6","3","1") = "9"
    & skf18("8","10","10","4","6","4","1") = "9"
    & skf18("8","10","10","4","6","5","1") = "9"
    & skf18("8","10","10","4","6","6","1") = "9"
    & skf18("8","10","10","4","6","7","1") = "9"
    & skf18("8","10","10","4","6","8","1") = "9"
    & skf18("8","10","10","4","6","9","1") = "9"
    & skf18("8","10","10","4","6","10","1") = "9"
    & skf18("8","10","10","4","7","1","1") = "9"
    & skf18("8","10","10","4","7","2","1") = "9"
    & skf18("8","10","10","4","7","3","1") = "9"
    & skf18("8","10","10","4","7","4","1") = "9"
    & skf18("8","10","10","4","7","5","1") = "9"
    & skf18("8","10","10","4","7","6","1") = "9"
    & skf18("8","10","10","4","7","7","1") = "9"
    & skf18("8","10","10","4","7","8","1") = "9"
    & skf18("8","10","10","4","7","9","1") = "9"
    & skf18("8","10","10","4","7","10","1") = "9"
    & skf18("8","10","10","4","8","1","1") = "9"
    & skf18("8","10","10","4","8","2","1") = "9"
    & skf18("8","10","10","4","8","3","1") = "9"
    & skf18("8","10","10","4","8","4","1") = "9"
    & skf18("8","10","10","4","8","5","1") = "9"
    & skf18("8","10","10","4","8","6","1") = "9"
    & skf18("8","10","10","4","8","7","1") = "9"
    & skf18("8","10","10","4","8","8","1") = "9"
    & skf18("8","10","10","4","8","9","1") = "9"
    & skf18("8","10","10","4","8","10","1") = "9"
    & skf18("8","10","10","4","9","1","1") = "9"
    & skf18("8","10","10","4","9","2","1") = "9"
    & skf18("8","10","10","4","9","3","1") = "9"
    & skf18("8","10","10","4","9","4","1") = "9"
    & skf18("8","10","10","4","9","5","1") = "9"
    & skf18("8","10","10","4","9","6","1") = "9"
    & skf18("8","10","10","4","9","7","1") = "9"
    & skf18("8","10","10","4","9","8","1") = "9"
    & skf18("8","10","10","4","9","9","1") = "9"
    & skf18("8","10","10","4","9","10","1") = "9"
    & skf18("8","10","10","4","10","1","1") = "9"
    & skf18("8","10","10","4","10","2","1") = "9"
    & skf18("8","10","10","4","10","3","1") = "9"
    & skf18("8","10","10","4","10","4","1") = "9"
    & skf18("8","10","10","4","10","5","1") = "9"
    & skf18("8","10","10","4","10","6","1") = "9"
    & skf18("8","10","10","4","10","7","1") = "9"
    & skf18("8","10","10","4","10","8","1") = "9"
    & skf18("8","10","10","4","10","9","1") = "9"
    & skf18("8","10","10","4","10","10","1") = "9"
    & skf18("8","10","10","5","1","1","1") = "9"
    & skf18("8","10","10","5","1","2","1") = "9"
    & skf18("8","10","10","5","1","3","1") = "9"
    & skf18("8","10","10","5","1","4","1") = "9"
    & skf18("8","10","10","5","1","5","1") = "9"
    & skf18("8","10","10","5","1","6","1") = "9"
    & skf18("8","10","10","5","1","7","1") = "9"
    & skf18("8","10","10","5","1","8","1") = "9"
    & skf18("8","10","10","5","1","9","1") = "9"
    & skf18("8","10","10","5","1","10","1") = "9"
    & skf18("8","10","10","5","2","1","1") = "9"
    & skf18("8","10","10","5","2","2","1") = "9"
    & skf18("8","10","10","5","2","3","1") = "9"
    & skf18("8","10","10","5","2","4","1") = "9"
    & skf18("8","10","10","5","2","5","1") = "9"
    & skf18("8","10","10","5","2","6","1") = "9"
    & skf18("8","10","10","5","2","7","1") = "9"
    & skf18("8","10","10","5","2","8","1") = "9"
    & skf18("8","10","10","5","2","9","1") = "9"
    & skf18("8","10","10","5","2","10","1") = "9"
    & skf18("8","10","10","5","3","1","1") = "9"
    & skf18("8","10","10","5","3","2","1") = "9"
    & skf18("8","10","10","5","3","3","1") = "9"
    & skf18("8","10","10","5","3","4","1") = "9"
    & skf18("8","10","10","5","3","5","1") = "9"
    & skf18("8","10","10","5","3","6","1") = "9"
    & skf18("8","10","10","5","3","7","1") = "9"
    & skf18("8","10","10","5","3","8","1") = "9"
    & skf18("8","10","10","5","3","9","1") = "9"
    & skf18("8","10","10","5","3","10","1") = "9"
    & skf18("8","10","10","5","4","1","1") = "9"
    & skf18("8","10","10","5","4","2","1") = "9"
    & skf18("8","10","10","5","4","3","1") = "9"
    & skf18("8","10","10","5","4","4","1") = "9"
    & skf18("8","10","10","5","4","5","1") = "9"
    & skf18("8","10","10","5","4","6","1") = "9"
    & skf18("8","10","10","5","4","7","1") = "9"
    & skf18("8","10","10","5","4","8","1") = "9"
    & skf18("8","10","10","5","4","9","1") = "9"
    & skf18("8","10","10","5","4","10","1") = "9"
    & skf18("8","10","10","5","5","1","1") = "9"
    & skf18("8","10","10","5","5","2","1") = "9"
    & skf18("8","10","10","5","5","3","1") = "9"
    & skf18("8","10","10","5","5","4","1") = "9"
    & skf18("8","10","10","5","5","5","1") = "9"
    & skf18("8","10","10","5","5","6","1") = "9"
    & skf18("8","10","10","5","5","7","1") = "9"
    & skf18("8","10","10","5","5","8","1") = "9"
    & skf18("8","10","10","5","5","9","1") = "9"
    & skf18("8","10","10","5","5","10","1") = "9"
    & skf18("8","10","10","5","6","1","1") = "9"
    & skf18("8","10","10","5","6","2","1") = "9"
    & skf18("8","10","10","5","6","3","1") = "9"
    & skf18("8","10","10","5","6","4","1") = "9"
    & skf18("8","10","10","5","6","5","1") = "9"
    & skf18("8","10","10","5","6","6","1") = "9"
    & skf18("8","10","10","5","6","7","1") = "9"
    & skf18("8","10","10","5","6","8","1") = "9"
    & skf18("8","10","10","5","6","9","1") = "9"
    & skf18("8","10","10","5","6","10","1") = "9"
    & skf18("8","10","10","5","7","1","1") = "9"
    & skf18("8","10","10","5","7","2","1") = "9"
    & skf18("8","10","10","5","7","3","1") = "9"
    & skf18("8","10","10","5","7","4","1") = "9"
    & skf18("8","10","10","5","7","5","1") = "9"
    & skf18("8","10","10","5","7","6","1") = "9"
    & skf18("8","10","10","5","7","7","1") = "9"
    & skf18("8","10","10","5","7","8","1") = "9"
    & skf18("8","10","10","5","7","9","1") = "9"
    & skf18("8","10","10","5","7","10","1") = "9"
    & skf18("8","10","10","5","8","1","1") = "9"
    & skf18("8","10","10","5","8","2","1") = "9"
    & skf18("8","10","10","5","8","3","1") = "9"
    & skf18("8","10","10","5","8","4","1") = "9"
    & skf18("8","10","10","5","8","5","1") = "9"
    & skf18("8","10","10","5","8","6","1") = "9"
    & skf18("8","10","10","5","8","7","1") = "9"
    & skf18("8","10","10","5","8","8","1") = "9"
    & skf18("8","10","10","5","8","9","1") = "9"
    & skf18("8","10","10","5","8","10","1") = "9"
    & skf18("8","10","10","5","9","1","1") = "9"
    & skf18("8","10","10","5","9","2","1") = "9"
    & skf18("8","10","10","5","9","3","1") = "9"
    & skf18("8","10","10","5","9","4","1") = "9"
    & skf18("8","10","10","5","9","5","1") = "9"
    & skf18("8","10","10","5","9","6","1") = "9"
    & skf18("8","10","10","5","9","7","1") = "9"
    & skf18("8","10","10","5","9","8","1") = "9"
    & skf18("8","10","10","5","9","9","1") = "9"
    & skf18("8","10","10","5","9","10","1") = "9"
    & skf18("8","10","10","5","10","1","1") = "9"
    & skf18("8","10","10","5","10","2","1") = "9"
    & skf18("8","10","10","5","10","3","1") = "9"
    & skf18("8","10","10","5","10","4","1") = "9"
    & skf18("8","10","10","5","10","5","1") = "9"
    & skf18("8","10","10","5","10","6","1") = "9"
    & skf18("8","10","10","5","10","7","1") = "9"
    & skf18("8","10","10","5","10","8","1") = "9"
    & skf18("8","10","10","5","10","9","1") = "9"
    & skf18("8","10","10","5","10","10","1") = "9"
    & skf18("8","10","10","6","1","1","1") = "9"
    & skf18("8","10","10","6","1","2","1") = "9"
    & skf18("8","10","10","6","1","3","1") = "9"
    & skf18("8","10","10","6","1","4","1") = "9"
    & skf18("8","10","10","6","1","5","1") = "9"
    & skf18("8","10","10","6","1","6","1") = "9"
    & skf18("8","10","10","6","1","7","1") = "9"
    & skf18("8","10","10","6","1","8","1") = "9"
    & skf18("8","10","10","6","1","9","1") = "9"
    & skf18("8","10","10","6","1","10","1") = "9"
    & skf18("8","10","10","6","2","1","1") = "9"
    & skf18("8","10","10","6","2","2","1") = "9"
    & skf18("8","10","10","6","2","3","1") = "9"
    & skf18("8","10","10","6","2","4","1") = "9"
    & skf18("8","10","10","6","2","5","1") = "9"
    & skf18("8","10","10","6","2","6","1") = "9"
    & skf18("8","10","10","6","2","7","1") = "9"
    & skf18("8","10","10","6","2","8","1") = "9"
    & skf18("8","10","10","6","2","9","1") = "9"
    & skf18("8","10","10","6","2","10","1") = "9"
    & skf18("8","10","10","6","3","1","1") = "9"
    & skf18("8","10","10","6","3","2","1") = "9"
    & skf18("8","10","10","6","3","3","1") = "9"
    & skf18("8","10","10","6","3","4","1") = "9"
    & skf18("8","10","10","6","3","5","1") = "9"
    & skf18("8","10","10","6","3","6","1") = "9"
    & skf18("8","10","10","6","3","7","1") = "9"
    & skf18("8","10","10","6","3","8","1") = "9"
    & skf18("8","10","10","6","3","9","1") = "9"
    & skf18("8","10","10","6","3","10","1") = "9"
    & skf18("8","10","10","6","4","1","1") = "9"
    & skf18("8","10","10","6","4","2","1") = "9"
    & skf18("8","10","10","6","4","3","1") = "9"
    & skf18("8","10","10","6","4","4","1") = "9"
    & skf18("8","10","10","6","4","5","1") = "9"
    & skf18("8","10","10","6","4","6","1") = "9"
    & skf18("8","10","10","6","4","7","1") = "9"
    & skf18("8","10","10","6","4","8","1") = "9"
    & skf18("8","10","10","6","4","9","1") = "9"
    & skf18("8","10","10","6","4","10","1") = "9"
    & skf18("8","10","10","6","5","1","1") = "9"
    & skf18("8","10","10","6","5","2","1") = "9"
    & skf18("8","10","10","6","5","3","1") = "9"
    & skf18("8","10","10","6","5","4","1") = "9"
    & skf18("8","10","10","6","5","5","1") = "9"
    & skf18("8","10","10","6","5","6","1") = "9"
    & skf18("8","10","10","6","5","7","1") = "9"
    & skf18("8","10","10","6","5","8","1") = "9"
    & skf18("8","10","10","6","5","9","1") = "9"
    & skf18("8","10","10","6","5","10","1") = "9"
    & skf18("8","10","10","6","6","1","1") = "9"
    & skf18("8","10","10","6","6","2","1") = "9"
    & skf18("8","10","10","6","6","3","1") = "9"
    & skf18("8","10","10","6","6","4","1") = "9"
    & skf18("8","10","10","6","6","5","1") = "9"
    & skf18("8","10","10","6","6","6","1") = "9"
    & skf18("8","10","10","6","6","7","1") = "9"
    & skf18("8","10","10","6","6","8","1") = "9"
    & skf18("8","10","10","6","6","9","1") = "9"
    & skf18("8","10","10","6","6","10","1") = "9"
    & skf18("8","10","10","6","7","1","1") = "9"
    & skf18("8","10","10","6","7","2","1") = "9"
    & skf18("8","10","10","6","7","3","1") = "9"
    & skf18("8","10","10","6","7","4","1") = "9"
    & skf18("8","10","10","6","7","5","1") = "9"
    & skf18("8","10","10","6","7","6","1") = "9"
    & skf18("8","10","10","6","7","7","1") = "9"
    & skf18("8","10","10","6","7","8","1") = "9"
    & skf18("8","10","10","6","7","9","1") = "9"
    & skf18("8","10","10","6","7","10","1") = "9"
    & skf18("8","10","10","6","8","1","1") = "9"
    & skf18("8","10","10","6","8","2","1") = "9"
    & skf18("8","10","10","6","8","3","1") = "9"
    & skf18("8","10","10","6","8","4","1") = "9"
    & skf18("8","10","10","6","8","5","1") = "9"
    & skf18("8","10","10","6","8","6","1") = "9"
    & skf18("8","10","10","6","8","7","1") = "9"
    & skf18("8","10","10","6","8","8","1") = "9"
    & skf18("8","10","10","6","8","9","1") = "9"
    & skf18("8","10","10","6","8","10","1") = "9"
    & skf18("8","10","10","6","9","1","1") = "9"
    & skf18("8","10","10","6","9","2","1") = "9"
    & skf18("8","10","10","6","9","3","1") = "9"
    & skf18("8","10","10","6","9","4","1") = "9"
    & skf18("8","10","10","6","9","5","1") = "9"
    & skf18("8","10","10","6","9","6","1") = "9"
    & skf18("8","10","10","6","9","7","1") = "9"
    & skf18("8","10","10","6","9","8","1") = "9"
    & skf18("8","10","10","6","9","9","1") = "9"
    & skf18("8","10","10","6","9","10","1") = "9"
    & skf18("8","10","10","6","10","1","1") = "9"
    & skf18("8","10","10","6","10","2","1") = "9"
    & skf18("8","10","10","6","10","3","1") = "9"
    & skf18("8","10","10","6","10","4","1") = "9"
    & skf18("8","10","10","6","10","5","1") = "9"
    & skf18("8","10","10","6","10","6","1") = "9"
    & skf18("8","10","10","6","10","7","1") = "9"
    & skf18("8","10","10","6","10","8","1") = "9"
    & skf18("8","10","10","6","10","9","1") = "9"
    & skf18("8","10","10","6","10","10","1") = "9"
    & skf18("8","10","10","7","1","1","1") = "9"
    & skf18("8","10","10","7","1","2","1") = "9"
    & skf18("8","10","10","7","1","3","1") = "9"
    & skf18("8","10","10","7","1","4","1") = "9"
    & skf18("8","10","10","7","1","5","1") = "9"
    & skf18("8","10","10","7","1","6","1") = "9"
    & skf18("8","10","10","7","1","7","1") = "9"
    & skf18("8","10","10","7","1","8","1") = "9"
    & skf18("8","10","10","7","1","9","1") = "9"
    & skf18("8","10","10","7","1","10","1") = "9"
    & skf18("8","10","10","7","2","1","1") = "9"
    & skf18("8","10","10","7","2","2","1") = "9"
    & skf18("8","10","10","7","2","3","1") = "9"
    & skf18("8","10","10","7","2","4","1") = "9"
    & skf18("8","10","10","7","2","5","1") = "9"
    & skf18("8","10","10","7","2","6","1") = "9"
    & skf18("8","10","10","7","2","7","1") = "9"
    & skf18("8","10","10","7","2","8","1") = "9"
    & skf18("8","10","10","7","2","9","1") = "9"
    & skf18("8","10","10","7","2","10","1") = "9"
    & skf18("8","10","10","7","3","1","1") = "9"
    & skf18("8","10","10","7","3","2","1") = "9"
    & skf18("8","10","10","7","3","3","1") = "9"
    & skf18("8","10","10","7","3","4","1") = "9"
    & skf18("8","10","10","7","3","5","1") = "9"
    & skf18("8","10","10","7","3","6","1") = "9"
    & skf18("8","10","10","7","3","7","1") = "9"
    & skf18("8","10","10","7","3","8","1") = "9"
    & skf18("8","10","10","7","3","9","1") = "9"
    & skf18("8","10","10","7","3","10","1") = "9"
    & skf18("8","10","10","7","4","1","1") = "9"
    & skf18("8","10","10","7","4","2","1") = "9"
    & skf18("8","10","10","7","4","3","1") = "9"
    & skf18("8","10","10","7","4","4","1") = "9"
    & skf18("8","10","10","7","4","5","1") = "9"
    & skf18("8","10","10","7","4","6","1") = "9"
    & skf18("8","10","10","7","4","7","1") = "9"
    & skf18("8","10","10","7","4","8","1") = "9"
    & skf18("8","10","10","7","4","9","1") = "9"
    & skf18("8","10","10","7","4","10","1") = "9"
    & skf18("8","10","10","7","5","1","1") = "9"
    & skf18("8","10","10","7","5","2","1") = "9"
    & skf18("8","10","10","7","5","3","1") = "9"
    & skf18("8","10","10","7","5","4","1") = "9"
    & skf18("8","10","10","7","5","5","1") = "9"
    & skf18("8","10","10","7","5","6","1") = "9"
    & skf18("8","10","10","7","5","7","1") = "9"
    & skf18("8","10","10","7","5","8","1") = "9"
    & skf18("8","10","10","7","5","9","1") = "9"
    & skf18("8","10","10","7","5","10","1") = "9"
    & skf18("8","10","10","7","6","1","1") = "9"
    & skf18("8","10","10","7","6","2","1") = "9"
    & skf18("8","10","10","7","6","3","1") = "9"
    & skf18("8","10","10","7","6","4","1") = "9"
    & skf18("8","10","10","7","6","5","1") = "9"
    & skf18("8","10","10","7","6","6","1") = "9"
    & skf18("8","10","10","7","6","7","1") = "9"
    & skf18("8","10","10","7","6","8","1") = "9"
    & skf18("8","10","10","7","6","9","1") = "9"
    & skf18("8","10","10","7","6","10","1") = "9"
    & skf18("8","10","10","7","7","1","1") = "9"
    & skf18("8","10","10","7","7","2","1") = "9"
    & skf18("8","10","10","7","7","3","1") = "9"
    & skf18("8","10","10","7","7","4","1") = "9"
    & skf18("8","10","10","7","7","5","1") = "9"
    & skf18("8","10","10","7","7","6","1") = "9"
    & skf18("8","10","10","7","7","7","1") = "9"
    & skf18("8","10","10","7","7","8","1") = "9"
    & skf18("8","10","10","7","7","9","1") = "9"
    & skf18("8","10","10","7","7","10","1") = "9"
    & skf18("8","10","10","7","8","1","1") = "9"
    & skf18("8","10","10","7","8","2","1") = "9"
    & skf18("8","10","10","7","8","3","1") = "9"
    & skf18("8","10","10","7","8","4","1") = "9"
    & skf18("8","10","10","7","8","5","1") = "9"
    & skf18("8","10","10","7","8","6","1") = "9"
    & skf18("8","10","10","7","8","7","1") = "9"
    & skf18("8","10","10","7","8","8","1") = "9"
    & skf18("8","10","10","7","8","9","1") = "9"
    & skf18("8","10","10","7","8","10","1") = "9"
    & skf18("8","10","10","7","9","1","1") = "9"
    & skf18("8","10","10","7","9","2","1") = "9"
    & skf18("8","10","10","7","9","3","1") = "9"
    & skf18("8","10","10","7","9","4","1") = "9"
    & skf18("8","10","10","7","9","5","1") = "9"
    & skf18("8","10","10","7","9","6","1") = "9"
    & skf18("8","10","10","7","9","7","1") = "9"
    & skf18("8","10","10","7","9","8","1") = "9"
    & skf18("8","10","10","7","9","9","1") = "9"
    & skf18("8","10","10","7","9","10","1") = "9"
    & skf18("8","10","10","7","10","1","1") = "9"
    & skf18("8","10","10","7","10","2","1") = "9"
    & skf18("8","10","10","7","10","3","1") = "9"
    & skf18("8","10","10","7","10","4","1") = "9"
    & skf18("8","10","10","7","10","5","1") = "9"
    & skf18("8","10","10","7","10","6","1") = "9"
    & skf18("8","10","10","7","10","7","1") = "9"
    & skf18("8","10","10","7","10","8","1") = "9"
    & skf18("8","10","10","7","10","9","1") = "9"
    & skf18("8","10","10","7","10","10","1") = "9"
    & skf18("8","10","10","8","1","1","1") = "9"
    & skf18("8","10","10","8","1","2","1") = "9"
    & skf18("8","10","10","8","1","3","1") = "9"
    & skf18("8","10","10","8","1","4","1") = "9"
    & skf18("8","10","10","8","1","5","1") = "9"
    & skf18("8","10","10","8","1","6","1") = "9"
    & skf18("8","10","10","8","1","7","1") = "9"
    & skf18("8","10","10","8","1","8","1") = "9"
    & skf18("8","10","10","8","1","9","1") = "9"
    & skf18("8","10","10","8","1","10","1") = "9"
    & skf18("8","10","10","8","2","1","1") = "9"
    & skf18("8","10","10","8","2","2","1") = "9"
    & skf18("8","10","10","8","2","3","1") = "9"
    & skf18("8","10","10","8","2","4","1") = "9"
    & skf18("8","10","10","8","2","5","1") = "9"
    & skf18("8","10","10","8","2","6","1") = "9"
    & skf18("8","10","10","8","2","7","1") = "9"
    & skf18("8","10","10","8","2","8","1") = "9"
    & skf18("8","10","10","8","2","9","1") = "9"
    & skf18("8","10","10","8","2","10","1") = "9"
    & skf18("8","10","10","8","3","1","1") = "9"
    & skf18("8","10","10","8","3","2","1") = "9"
    & skf18("8","10","10","8","3","3","1") = "9"
    & skf18("8","10","10","8","3","4","1") = "9"
    & skf18("8","10","10","8","3","5","1") = "9"
    & skf18("8","10","10","8","3","6","1") = "9"
    & skf18("8","10","10","8","3","7","1") = "9"
    & skf18("8","10","10","8","3","8","1") = "9"
    & skf18("8","10","10","8","3","9","1") = "9"
    & skf18("8","10","10","8","3","10","1") = "9"
    & skf18("8","10","10","8","4","1","1") = "9"
    & skf18("8","10","10","8","4","2","1") = "9"
    & skf18("8","10","10","8","4","3","1") = "9"
    & skf18("8","10","10","8","4","4","1") = "9"
    & skf18("8","10","10","8","4","5","1") = "9"
    & skf18("8","10","10","8","4","6","1") = "9"
    & skf18("8","10","10","8","4","7","1") = "9"
    & skf18("8","10","10","8","4","8","1") = "9"
    & skf18("8","10","10","8","4","9","1") = "9"
    & skf18("8","10","10","8","4","10","1") = "9"
    & skf18("8","10","10","8","5","1","1") = "9"
    & skf18("8","10","10","8","5","2","1") = "9"
    & skf18("8","10","10","8","5","3","1") = "9"
    & skf18("8","10","10","8","5","4","1") = "9"
    & skf18("8","10","10","8","5","5","1") = "9"
    & skf18("8","10","10","8","5","6","1") = "9"
    & skf18("8","10","10","8","5","7","1") = "9"
    & skf18("8","10","10","8","5","8","1") = "9"
    & skf18("8","10","10","8","5","9","1") = "9"
    & skf18("8","10","10","8","5","10","1") = "9"
    & skf18("8","10","10","8","6","1","1") = "9"
    & skf18("8","10","10","8","6","2","1") = "9"
    & skf18("8","10","10","8","6","3","1") = "9"
    & skf18("8","10","10","8","6","4","1") = "9"
    & skf18("8","10","10","8","6","5","1") = "9"
    & skf18("8","10","10","8","6","6","1") = "9"
    & skf18("8","10","10","8","6","7","1") = "9"
    & skf18("8","10","10","8","6","8","1") = "9"
    & skf18("8","10","10","8","6","9","1") = "9"
    & skf18("8","10","10","8","6","10","1") = "9"
    & skf18("8","10","10","8","7","1","1") = "9"
    & skf18("8","10","10","8","7","2","1") = "9"
    & skf18("8","10","10","8","7","3","1") = "9"
    & skf18("8","10","10","8","7","4","1") = "9"
    & skf18("8","10","10","8","7","5","1") = "9"
    & skf18("8","10","10","8","7","6","1") = "9"
    & skf18("8","10","10","8","7","7","1") = "9"
    & skf18("8","10","10","8","7","8","1") = "9"
    & skf18("8","10","10","8","7","9","1") = "9"
    & skf18("8","10","10","8","7","10","1") = "9"
    & skf18("8","10","10","8","8","1","1") = "9"
    & skf18("8","10","10","8","8","2","1") = "9"
    & skf18("8","10","10","8","8","3","1") = "9"
    & skf18("8","10","10","8","8","4","1") = "9"
    & skf18("8","10","10","8","8","5","1") = "9"
    & skf18("8","10","10","8","8","6","1") = "9"
    & skf18("8","10","10","8","8","7","1") = "9"
    & skf18("8","10","10","8","8","8","1") = "9"
    & skf18("8","10","10","8","8","9","1") = "9"
    & skf18("8","10","10","8","8","10","1") = "9"
    & skf18("8","10","10","8","9","1","1") = "9"
    & skf18("8","10","10","8","9","2","1") = "9"
    & skf18("8","10","10","8","9","3","1") = "9"
    & skf18("8","10","10","8","9","4","1") = "9"
    & skf18("8","10","10","8","9","5","1") = "9"
    & skf18("8","10","10","8","9","6","1") = "9"
    & skf18("8","10","10","8","9","7","1") = "9"
    & skf18("8","10","10","8","9","8","1") = "9"
    & skf18("8","10","10","8","9","9","1") = "9"
    & skf18("8","10","10","8","9","10","1") = "9"
    & skf18("8","10","10","8","10","1","1") = "9"
    & skf18("8","10","10","8","10","2","1") = "9"
    & skf18("8","10","10","8","10","3","1") = "9"
    & skf18("8","10","10","8","10","4","1") = "9"
    & skf18("8","10","10","8","10","5","1") = "9"
    & skf18("8","10","10","8","10","6","1") = "9"
    & skf18("8","10","10","8","10","7","1") = "9"
    & skf18("8","10","10","8","10","8","1") = "9"
    & skf18("8","10","10","8","10","9","1") = "9"
    & skf18("8","10","10","8","10","10","1") = "9"
    & skf18("8","10","10","9","1","1","1") = "9"
    & skf18("8","10","10","9","1","2","1") = "9"
    & skf18("8","10","10","9","1","3","1") = "9"
    & skf18("8","10","10","9","1","4","1") = "9"
    & skf18("8","10","10","9","1","5","1") = "9"
    & skf18("8","10","10","9","1","6","1") = "9"
    & skf18("8","10","10","9","1","7","1") = "9"
    & skf18("8","10","10","9","1","8","1") = "9"
    & skf18("8","10","10","9","1","9","1") = "9"
    & skf18("8","10","10","9","1","10","1") = "9"
    & skf18("8","10","10","9","2","1","1") = "9"
    & skf18("8","10","10","9","2","2","1") = "9"
    & skf18("8","10","10","9","2","3","1") = "9"
    & skf18("8","10","10","9","2","4","1") = "9"
    & skf18("8","10","10","9","2","5","1") = "9"
    & skf18("8","10","10","9","2","6","1") = "9"
    & skf18("8","10","10","9","2","7","1") = "9"
    & skf18("8","10","10","9","2","8","1") = "9"
    & skf18("8","10","10","9","2","9","1") = "9"
    & skf18("8","10","10","9","2","10","1") = "9"
    & skf18("8","10","10","9","3","1","1") = "9"
    & skf18("8","10","10","9","3","2","1") = "9"
    & skf18("8","10","10","9","3","3","1") = "9"
    & skf18("8","10","10","9","3","4","1") = "9"
    & skf18("8","10","10","9","3","5","1") = "9"
    & skf18("8","10","10","9","3","6","1") = "9"
    & skf18("8","10","10","9","3","7","1") = "9"
    & skf18("8","10","10","9","3","8","1") = "9"
    & skf18("8","10","10","9","3","9","1") = "9"
    & skf18("8","10","10","9","3","10","1") = "9"
    & skf18("8","10","10","9","4","1","1") = "9"
    & skf18("8","10","10","9","4","2","1") = "9"
    & skf18("8","10","10","9","4","3","1") = "9"
    & skf18("8","10","10","9","4","4","1") = "9"
    & skf18("8","10","10","9","4","5","1") = "9"
    & skf18("8","10","10","9","4","6","1") = "9"
    & skf18("8","10","10","9","4","7","1") = "9"
    & skf18("8","10","10","9","4","8","1") = "9"
    & skf18("8","10","10","9","4","9","1") = "9"
    & skf18("8","10","10","9","4","10","1") = "9"
    & skf18("8","10","10","9","5","1","1") = "9"
    & skf18("8","10","10","9","5","2","1") = "9"
    & skf18("8","10","10","9","5","3","1") = "9"
    & skf18("8","10","10","9","5","4","1") = "9"
    & skf18("8","10","10","9","5","5","1") = "9"
    & skf18("8","10","10","9","5","6","1") = "9"
    & skf18("8","10","10","9","5","7","1") = "9"
    & skf18("8","10","10","9","5","8","1") = "9"
    & skf18("8","10","10","9","5","9","1") = "9"
    & skf18("8","10","10","9","5","10","1") = "9"
    & skf18("8","10","10","9","6","1","1") = "9"
    & skf18("8","10","10","9","6","2","1") = "9"
    & skf18("8","10","10","9","6","3","1") = "9"
    & skf18("8","10","10","9","6","4","1") = "9"
    & skf18("8","10","10","9","6","5","1") = "9"
    & skf18("8","10","10","9","6","6","1") = "9"
    & skf18("8","10","10","9","6","7","1") = "9"
    & skf18("8","10","10","9","6","8","1") = "9"
    & skf18("8","10","10","9","6","9","1") = "9"
    & skf18("8","10","10","9","6","10","1") = "9"
    & skf18("8","10","10","9","7","1","1") = "9"
    & skf18("8","10","10","9","7","2","1") = "9"
    & skf18("8","10","10","9","7","3","1") = "9"
    & skf18("8","10","10","9","7","4","1") = "9"
    & skf18("8","10","10","9","7","5","1") = "9"
    & skf18("8","10","10","9","7","6","1") = "9"
    & skf18("8","10","10","9","7","7","1") = "9"
    & skf18("8","10","10","9","7","8","1") = "9"
    & skf18("8","10","10","9","7","9","1") = "9"
    & skf18("8","10","10","9","7","10","1") = "9"
    & skf18("8","10","10","9","8","1","1") = "9"
    & skf18("8","10","10","9","8","2","1") = "9"
    & skf18("8","10","10","9","8","3","1") = "9"
    & skf18("8","10","10","9","8","4","1") = "9"
    & skf18("8","10","10","9","8","5","1") = "9"
    & skf18("8","10","10","9","8","6","1") = "9"
    & skf18("8","10","10","9","8","7","1") = "9"
    & skf18("8","10","10","9","8","8","1") = "9"
    & skf18("8","10","10","9","8","9","1") = "9"
    & skf18("8","10","10","9","8","10","1") = "9"
    & skf18("8","10","10","9","9","1","1") = "9"
    & skf18("8","10","10","9","9","2","1") = "9"
    & skf18("8","10","10","9","9","3","1") = "9"
    & skf18("8","10","10","9","9","4","1") = "9"
    & skf18("8","10","10","9","9","5","1") = "9"
    & skf18("8","10","10","9","9","6","1") = "9"
    & skf18("8","10","10","9","9","7","1") = "9"
    & skf18("8","10","10","9","9","8","1") = "9"
    & skf18("8","10","10","9","9","9","1") = "9"
    & skf18("8","10","10","9","9","10","1") = "9"
    & skf18("8","10","10","9","10","1","1") = "9"
    & skf18("8","10","10","9","10","2","1") = "9"
    & skf18("8","10","10","9","10","3","1") = "9"
    & skf18("8","10","10","9","10","4","1") = "9"
    & skf18("8","10","10","9","10","5","1") = "9"
    & skf18("8","10","10","9","10","6","1") = "9"
    & skf18("8","10","10","9","10","7","1") = "9"
    & skf18("8","10","10","9","10","8","1") = "9"
    & skf18("8","10","10","9","10","9","1") = "9"
    & skf18("8","10","10","9","10","10","1") = "9"
    & skf18("8","10","10","10","1","1","1") = "9"
    & skf18("8","10","10","10","1","2","1") = "9"
    & skf18("8","10","10","10","1","3","1") = "9"
    & skf18("8","10","10","10","1","4","1") = "9"
    & skf18("8","10","10","10","1","5","1") = "9"
    & skf18("8","10","10","10","1","6","1") = "9"
    & skf18("8","10","10","10","1","7","1") = "9"
    & skf18("8","10","10","10","1","8","1") = "9"
    & skf18("8","10","10","10","1","9","1") = "9"
    & skf18("8","10","10","10","1","10","1") = "9"
    & skf18("8","10","10","10","2","1","1") = "9"
    & skf18("8","10","10","10","2","2","1") = "9"
    & skf18("8","10","10","10","2","3","1") = "9"
    & skf18("8","10","10","10","2","4","1") = "9"
    & skf18("8","10","10","10","2","5","1") = "9"
    & skf18("8","10","10","10","2","6","1") = "9"
    & skf18("8","10","10","10","2","7","1") = "9"
    & skf18("8","10","10","10","2","8","1") = "9"
    & skf18("8","10","10","10","2","9","1") = "9"
    & skf18("8","10","10","10","2","10","1") = "9"
    & skf18("8","10","10","10","3","1","1") = "9"
    & skf18("8","10","10","10","3","2","1") = "9"
    & skf18("8","10","10","10","3","3","1") = "9"
    & skf18("8","10","10","10","3","4","1") = "9"
    & skf18("8","10","10","10","3","5","1") = "9"
    & skf18("8","10","10","10","3","6","1") = "9"
    & skf18("8","10","10","10","3","7","1") = "9"
    & skf18("8","10","10","10","3","8","1") = "9"
    & skf18("8","10","10","10","3","9","1") = "9"
    & skf18("8","10","10","10","3","10","1") = "9"
    & skf18("8","10","10","10","4","1","1") = "9"
    & skf18("8","10","10","10","4","2","1") = "9"
    & skf18("8","10","10","10","4","3","1") = "9"
    & skf18("8","10","10","10","4","4","1") = "9"
    & skf18("8","10","10","10","4","5","1") = "9"
    & skf18("8","10","10","10","4","6","1") = "9"
    & skf18("8","10","10","10","4","7","1") = "9"
    & skf18("8","10","10","10","4","8","1") = "9"
    & skf18("8","10","10","10","4","9","1") = "9"
    & skf18("8","10","10","10","4","10","1") = "9"
    & skf18("8","10","10","10","5","1","1") = "9"
    & skf18("8","10","10","10","5","2","1") = "9"
    & skf18("8","10","10","10","5","3","1") = "9"
    & skf18("8","10","10","10","5","4","1") = "9"
    & skf18("8","10","10","10","5","5","1") = "9"
    & skf18("8","10","10","10","5","6","1") = "9"
    & skf18("8","10","10","10","5","7","1") = "9"
    & skf18("8","10","10","10","5","8","1") = "9"
    & skf18("8","10","10","10","5","9","1") = "9"
    & skf18("8","10","10","10","5","10","1") = "9"
    & skf18("8","10","10","10","6","1","1") = "9"
    & skf18("8","10","10","10","6","2","1") = "9"
    & skf18("8","10","10","10","6","3","1") = "9"
    & skf18("8","10","10","10","6","4","1") = "9"
    & skf18("8","10","10","10","6","5","1") = "9"
    & skf18("8","10","10","10","6","6","1") = "9"
    & skf18("8","10","10","10","6","7","1") = "9"
    & skf18("8","10","10","10","6","8","1") = "9"
    & skf18("8","10","10","10","6","9","1") = "9"
    & skf18("8","10","10","10","6","10","1") = "9"
    & skf18("8","10","10","10","7","1","1") = "9"
    & skf18("8","10","10","10","7","2","1") = "9"
    & skf18("8","10","10","10","7","3","1") = "9"
    & skf18("8","10","10","10","7","4","1") = "9"
    & skf18("8","10","10","10","7","5","1") = "9"
    & skf18("8","10","10","10","7","6","1") = "9"
    & skf18("8","10","10","10","7","7","1") = "9"
    & skf18("8","10","10","10","7","8","1") = "9"
    & skf18("8","10","10","10","7","9","1") = "9"
    & skf18("8","10","10","10","7","10","1") = "9"
    & skf18("8","10","10","10","8","1","1") = "9"
    & skf18("8","10","10","10","8","2","1") = "9"
    & skf18("8","10","10","10","8","3","1") = "9"
    & skf18("8","10","10","10","8","4","1") = "9"
    & skf18("8","10","10","10","8","5","1") = "9"
    & skf18("8","10","10","10","8","6","1") = "9"
    & skf18("8","10","10","10","8","7","1") = "9"
    & skf18("8","10","10","10","8","8","1") = "9"
    & skf18("8","10","10","10","8","9","1") = "9"
    & skf18("8","10","10","10","8","10","1") = "9"
    & skf18("8","10","10","10","9","1","1") = "9"
    & skf18("8","10","10","10","9","2","1") = "9"
    & skf18("8","10","10","10","9","3","1") = "9"
    & skf18("8","10","10","10","9","4","1") = "9"
    & skf18("8","10","10","10","9","5","1") = "9"
    & skf18("8","10","10","10","9","6","1") = "9"
    & skf18("8","10","10","10","9","7","1") = "9"
    & skf18("8","10","10","10","9","8","1") = "9"
    & skf18("8","10","10","10","9","9","1") = "9"
    & skf18("8","10","10","10","9","10","1") = "9"
    & skf18("8","10","10","10","10","1","1") = "9"
    & skf18("8","10","10","10","10","2","1") = "9"
    & skf18("8","10","10","10","10","3","1") = "9"
    & skf18("8","10","10","10","10","4","1") = "9"
    & skf18("8","10","10","10","10","5","1") = "9"
    & skf18("8","10","10","10","10","6","1") = "9"
    & skf18("8","10","10","10","10","7","1") = "9"
    & skf18("8","10","10","10","10","8","1") = "9"
    & skf18("8","10","10","10","10","9","1") = "9"
    & skf18("8","10","10","10","10","10","1") = "9"
    & skf18("9","1","1","1","1","1","1") = "8"
    & skf18("9","1","1","1","1","2","1") = "8"
    & skf18("9","1","1","1","1","3","1") = "8"
    & skf18("9","1","1","1","1","4","1") = "8"
    & skf18("9","1","1","1","1","5","1") = "8"
    & skf18("9","1","1","1","1","6","1") = "8"
    & skf18("9","1","1","1","1","7","1") = "8"
    & skf18("9","1","1","1","1","8","1") = "8"
    & skf18("9","1","1","1","1","9","1") = "8"
    & skf18("9","1","1","1","1","10","1") = "9"
    & skf18("9","1","1","1","2","1","1") = "8"
    & skf18("9","1","1","1","2","2","1") = "8"
    & skf18("9","1","1","1","2","3","1") = "8"
    & skf18("9","1","1","1","2","4","1") = "8"
    & skf18("9","1","1","1","2","5","1") = "8"
    & skf18("9","1","1","1","2","6","1") = "8"
    & skf18("9","1","1","1","2","7","1") = "8"
    & skf18("9","1","1","1","2","8","1") = "8"
    & skf18("9","1","1","1","2","9","1") = "8"
    & skf18("9","1","1","1","2","10","1") = "9"
    & skf18("9","1","1","1","3","1","1") = "8"
    & skf18("9","1","1","1","3","2","1") = "8"
    & skf18("9","1","1","1","3","3","1") = "8"
    & skf18("9","1","1","1","3","4","1") = "8"
    & skf18("9","1","1","1","3","5","1") = "8"
    & skf18("9","1","1","1","3","6","1") = "8"
    & skf18("9","1","1","1","3","7","1") = "8"
    & skf18("9","1","1","1","3","8","1") = "8"
    & skf18("9","1","1","1","3","9","1") = "8"
    & skf18("9","1","1","1","3","10","1") = "9"
    & skf18("9","1","1","1","4","1","1") = "8"
    & skf18("9","1","1","1","4","2","1") = "8"
    & skf18("9","1","1","1","4","3","1") = "8"
    & skf18("9","1","1","1","4","4","1") = "8"
    & skf18("9","1","1","1","4","5","1") = "8"
    & skf18("9","1","1","1","4","6","1") = "8"
    & skf18("9","1","1","1","4","7","1") = "8"
    & skf18("9","1","1","1","4","8","1") = "8"
    & skf18("9","1","1","1","4","9","1") = "8"
    & skf18("9","1","1","1","4","10","1") = "9"
    & skf18("9","1","1","1","5","1","1") = "8"
    & skf18("9","1","1","1","5","2","1") = "8"
    & skf18("9","1","1","1","5","3","1") = "8"
    & skf18("9","1","1","1","5","4","1") = "8"
    & skf18("9","1","1","1","5","5","1") = "8"
    & skf18("9","1","1","1","5","6","1") = "8"
    & skf18("9","1","1","1","5","7","1") = "8"
    & skf18("9","1","1","1","5","8","1") = "8"
    & skf18("9","1","1","1","5","9","1") = "8"
    & skf18("9","1","1","1","5","10","1") = "9"
    & skf18("9","1","1","1","6","1","1") = "8"
    & skf18("9","1","1","1","6","2","1") = "8"
    & skf18("9","1","1","1","6","3","1") = "8"
    & skf18("9","1","1","1","6","4","1") = "8"
    & skf18("9","1","1","1","6","5","1") = "8"
    & skf18("9","1","1","1","6","6","1") = "8"
    & skf18("9","1","1","1","6","7","1") = "8"
    & skf18("9","1","1","1","6","8","1") = "8"
    & skf18("9","1","1","1","6","9","1") = "8"
    & skf18("9","1","1","1","6","10","1") = "9"
    & skf18("9","1","1","1","7","1","1") = "8"
    & skf18("9","1","1","1","7","2","1") = "8"
    & skf18("9","1","1","1","7","3","1") = "8"
    & skf18("9","1","1","1","7","4","1") = "8"
    & skf18("9","1","1","1","7","5","1") = "8"
    & skf18("9","1","1","1","7","6","1") = "8"
    & skf18("9","1","1","1","7","7","1") = "8"
    & skf18("9","1","1","1","7","8","1") = "8"
    & skf18("9","1","1","1","7","9","1") = "8"
    & skf18("9","1","1","1","7","10","1") = "9"
    & skf18("9","1","1","1","8","1","1") = "8"
    & skf18("9","1","1","1","8","2","1") = "8"
    & skf18("9","1","1","1","8","3","1") = "8"
    & skf18("9","1","1","1","8","4","1") = "8"
    & skf18("9","1","1","1","8","5","1") = "8"
    & skf18("9","1","1","1","8","6","1") = "8"
    & skf18("9","1","1","1","8","7","1") = "8"
    & skf18("9","1","1","1","8","8","1") = "8"
    & skf18("9","1","1","1","8","9","1") = "8"
    & skf18("9","1","1","1","8","10","1") = "9"
    & skf18("9","1","1","1","9","1","1") = "8"
    & skf18("9","1","1","1","9","2","1") = "8"
    & skf18("9","1","1","1","9","3","1") = "8"
    & skf18("9","1","1","1","9","4","1") = "8"
    & skf18("9","1","1","1","9","5","1") = "8"
    & skf18("9","1","1","1","9","6","1") = "8"
    & skf18("9","1","1","1","9","7","1") = "8"
    & skf18("9","1","1","1","9","8","1") = "8"
    & skf18("9","1","1","1","9","9","1") = "8"
    & skf18("9","1","1","1","9","10","1") = "9"
    & skf18("9","1","1","1","10","1","1") = "9"
    & skf18("9","1","1","1","10","2","1") = "9"
    & skf18("9","1","1","1","10","3","1") = "9"
    & skf18("9","1","1","1","10","4","1") = "9"
    & skf18("9","1","1","1","10","5","1") = "9"
    & skf18("9","1","1","1","10","6","1") = "9"
    & skf18("9","1","1","1","10","7","1") = "9"
    & skf18("9","1","1","1","10","8","1") = "9"
    & skf18("9","1","1","1","10","9","1") = "9"
    & skf18("9","1","1","1","10","10","1") = "9"
    & skf18("9","1","1","2","1","1","1") = "8"
    & skf18("9","1","1","2","1","2","1") = "8"
    & skf18("9","1","1","2","1","3","1") = "8"
    & skf18("9","1","1","2","1","4","1") = "8"
    & skf18("9","1","1","2","1","5","1") = "8"
    & skf18("9","1","1","2","1","6","1") = "8"
    & skf18("9","1","1","2","1","7","1") = "8"
    & skf18("9","1","1","2","1","8","1") = "8"
    & skf18("9","1","1","2","1","9","1") = "8"
    & skf18("9","1","1","2","1","10","1") = "9"
    & skf18("9","1","1","2","2","1","1") = "8"
    & skf18("9","1","1","2","2","2","1") = "8"
    & skf18("9","1","1","2","2","3","1") = "8"
    & skf18("9","1","1","2","2","4","1") = "8"
    & skf18("9","1","1","2","2","5","1") = "8"
    & skf18("9","1","1","2","2","6","1") = "8"
    & skf18("9","1","1","2","2","7","1") = "8"
    & skf18("9","1","1","2","2","8","1") = "8"
    & skf18("9","1","1","2","2","9","1") = "8"
    & skf18("9","1","1","2","2","10","1") = "9"
    & skf18("9","1","1","2","3","1","1") = "8"
    & skf18("9","1","1","2","3","2","1") = "8"
    & skf18("9","1","1","2","3","3","1") = "8"
    & skf18("9","1","1","2","3","4","1") = "8"
    & skf18("9","1","1","2","3","5","1") = "8"
    & skf18("9","1","1","2","3","6","1") = "8"
    & skf18("9","1","1","2","3","7","1") = "8"
    & skf18("9","1","1","2","3","8","1") = "8"
    & skf18("9","1","1","2","3","9","1") = "8"
    & skf18("9","1","1","2","3","10","1") = "9"
    & skf18("9","1","1","2","4","1","1") = "8"
    & skf18("9","1","1","2","4","2","1") = "8"
    & skf18("9","1","1","2","4","3","1") = "8"
    & skf18("9","1","1","2","4","4","1") = "8"
    & skf18("9","1","1","2","4","5","1") = "8"
    & skf18("9","1","1","2","4","6","1") = "8"
    & skf18("9","1","1","2","4","7","1") = "8"
    & skf18("9","1","1","2","4","8","1") = "8"
    & skf18("9","1","1","2","4","9","1") = "8"
    & skf18("9","1","1","2","4","10","1") = "9"
    & skf18("9","1","1","2","5","1","1") = "8"
    & skf18("9","1","1","2","5","2","1") = "8"
    & skf18("9","1","1","2","5","3","1") = "8"
    & skf18("9","1","1","2","5","4","1") = "8"
    & skf18("9","1","1","2","5","5","1") = "8"
    & skf18("9","1","1","2","5","6","1") = "8"
    & skf18("9","1","1","2","5","7","1") = "8"
    & skf18("9","1","1","2","5","8","1") = "8"
    & skf18("9","1","1","2","5","9","1") = "8"
    & skf18("9","1","1","2","5","10","1") = "9"
    & skf18("9","1","1","2","6","1","1") = "8"
    & skf18("9","1","1","2","6","2","1") = "8"
    & skf18("9","1","1","2","6","3","1") = "8"
    & skf18("9","1","1","2","6","4","1") = "8"
    & skf18("9","1","1","2","6","5","1") = "8"
    & skf18("9","1","1","2","6","6","1") = "8"
    & skf18("9","1","1","2","6","7","1") = "8"
    & skf18("9","1","1","2","6","8","1") = "8"
    & skf18("9","1","1","2","6","9","1") = "8"
    & skf18("9","1","1","2","6","10","1") = "9"
    & skf18("9","1","1","2","7","1","1") = "8"
    & skf18("9","1","1","2","7","2","1") = "8"
    & skf18("9","1","1","2","7","3","1") = "8"
    & skf18("9","1","1","2","7","4","1") = "8"
    & skf18("9","1","1","2","7","5","1") = "8"
    & skf18("9","1","1","2","7","6","1") = "8"
    & skf18("9","1","1","2","7","7","1") = "8"
    & skf18("9","1","1","2","7","8","1") = "8"
    & skf18("9","1","1","2","7","9","1") = "8"
    & skf18("9","1","1","2","7","10","1") = "9"
    & skf18("9","1","1","2","8","1","1") = "8"
    & skf18("9","1","1","2","8","2","1") = "8"
    & skf18("9","1","1","2","8","3","1") = "8"
    & skf18("9","1","1","2","8","4","1") = "8"
    & skf18("9","1","1","2","8","5","1") = "8"
    & skf18("9","1","1","2","8","6","1") = "8"
    & skf18("9","1","1","2","8","7","1") = "8"
    & skf18("9","1","1","2","8","8","1") = "8"
    & skf18("9","1","1","2","8","9","1") = "8"
    & skf18("9","1","1","2","8","10","1") = "9"
    & skf18("9","1","1","2","9","1","1") = "8"
    & skf18("9","1","1","2","9","2","1") = "8"
    & skf18("9","1","1","2","9","3","1") = "8"
    & skf18("9","1","1","2","9","4","1") = "8"
    & skf18("9","1","1","2","9","5","1") = "8"
    & skf18("9","1","1","2","9","6","1") = "8"
    & skf18("9","1","1","2","9","7","1") = "8"
    & skf18("9","1","1","2","9","8","1") = "8"
    & skf18("9","1","1","2","9","9","1") = "8"
    & skf18("9","1","1","2","9","10","1") = "9"
    & skf18("9","1","1","2","10","1","1") = "9"
    & skf18("9","1","1","2","10","2","1") = "9"
    & skf18("9","1","1","2","10","3","1") = "9"
    & skf18("9","1","1","2","10","4","1") = "9"
    & skf18("9","1","1","2","10","5","1") = "9"
    & skf18("9","1","1","2","10","6","1") = "9"
    & skf18("9","1","1","2","10","7","1") = "9"
    & skf18("9","1","1","2","10","8","1") = "9"
    & skf18("9","1","1","2","10","9","1") = "9"
    & skf18("9","1","1","2","10","10","1") = "9"
    & skf18("9","1","1","3","1","1","1") = "8"
    & skf18("9","1","1","3","1","2","1") = "8"
    & skf18("9","1","1","3","1","3","1") = "8"
    & skf18("9","1","1","3","1","4","1") = "8"
    & skf18("9","1","1","3","1","5","1") = "8"
    & skf18("9","1","1","3","1","6","1") = "8"
    & skf18("9","1","1","3","1","7","1") = "8"
    & skf18("9","1","1","3","1","8","1") = "8"
    & skf18("9","1","1","3","1","9","1") = "8"
    & skf18("9","1","1","3","1","10","1") = "9"
    & skf18("9","1","1","3","2","1","1") = "8"
    & skf18("9","1","1","3","2","2","1") = "8"
    & skf18("9","1","1","3","2","3","1") = "8"
    & skf18("9","1","1","3","2","4","1") = "8"
    & skf18("9","1","1","3","2","5","1") = "8"
    & skf18("9","1","1","3","2","6","1") = "8"
    & skf18("9","1","1","3","2","7","1") = "8"
    & skf18("9","1","1","3","2","8","1") = "8"
    & skf18("9","1","1","3","2","9","1") = "8"
    & skf18("9","1","1","3","2","10","1") = "9"
    & skf18("9","1","1","3","3","1","1") = "8"
    & skf18("9","1","1","3","3","2","1") = "8"
    & skf18("9","1","1","3","3","3","1") = "8"
    & skf18("9","1","1","3","3","4","1") = "8"
    & skf18("9","1","1","3","3","5","1") = "8"
    & skf18("9","1","1","3","3","6","1") = "8"
    & skf18("9","1","1","3","3","7","1") = "8"
    & skf18("9","1","1","3","3","8","1") = "8"
    & skf18("9","1","1","3","3","9","1") = "8"
    & skf18("9","1","1","3","3","10","1") = "9"
    & skf18("9","1","1","3","4","1","1") = "8"
    & skf18("9","1","1","3","4","2","1") = "8"
    & skf18("9","1","1","3","4","3","1") = "8"
    & skf18("9","1","1","3","4","4","1") = "8"
    & skf18("9","1","1","3","4","5","1") = "8"
    & skf18("9","1","1","3","4","6","1") = "8"
    & skf18("9","1","1","3","4","7","1") = "8"
    & skf18("9","1","1","3","4","8","1") = "8"
    & skf18("9","1","1","3","4","9","1") = "8"
    & skf18("9","1","1","3","4","10","1") = "9"
    & skf18("9","1","1","3","5","1","1") = "8"
    & skf18("9","1","1","3","5","2","1") = "8"
    & skf18("9","1","1","3","5","3","1") = "8"
    & skf18("9","1","1","3","5","4","1") = "8"
    & skf18("9","1","1","3","5","5","1") = "8"
    & skf18("9","1","1","3","5","6","1") = "8"
    & skf18("9","1","1","3","5","7","1") = "8"
    & skf18("9","1","1","3","5","8","1") = "8"
    & skf18("9","1","1","3","5","9","1") = "8"
    & skf18("9","1","1","3","5","10","1") = "9"
    & skf18("9","1","1","3","6","1","1") = "8"
    & skf18("9","1","1","3","6","2","1") = "8"
    & skf18("9","1","1","3","6","3","1") = "8"
    & skf18("9","1","1","3","6","4","1") = "8"
    & skf18("9","1","1","3","6","5","1") = "8"
    & skf18("9","1","1","3","6","6","1") = "8"
    & skf18("9","1","1","3","6","7","1") = "8"
    & skf18("9","1","1","3","6","8","1") = "8"
    & skf18("9","1","1","3","6","9","1") = "8"
    & skf18("9","1","1","3","6","10","1") = "9"
    & skf18("9","1","1","3","7","1","1") = "8"
    & skf18("9","1","1","3","7","2","1") = "8"
    & skf18("9","1","1","3","7","3","1") = "8"
    & skf18("9","1","1","3","7","4","1") = "8"
    & skf18("9","1","1","3","7","5","1") = "8"
    & skf18("9","1","1","3","7","6","1") = "8"
    & skf18("9","1","1","3","7","7","1") = "8"
    & skf18("9","1","1","3","7","8","1") = "8"
    & skf18("9","1","1","3","7","9","1") = "8"
    & skf18("9","1","1","3","7","10","1") = "9"
    & skf18("9","1","1","3","8","1","1") = "8"
    & skf18("9","1","1","3","8","2","1") = "8"
    & skf18("9","1","1","3","8","3","1") = "8"
    & skf18("9","1","1","3","8","4","1") = "8"
    & skf18("9","1","1","3","8","5","1") = "8"
    & skf18("9","1","1","3","8","6","1") = "8"
    & skf18("9","1","1","3","8","7","1") = "8"
    & skf18("9","1","1","3","8","8","1") = "8"
    & skf18("9","1","1","3","8","9","1") = "8"
    & skf18("9","1","1","3","8","10","1") = "9"
    & skf18("9","1","1","3","9","1","1") = "8"
    & skf18("9","1","1","3","9","2","1") = "8"
    & skf18("9","1","1","3","9","3","1") = "8"
    & skf18("9","1","1","3","9","4","1") = "8"
    & skf18("9","1","1","3","9","5","1") = "8"
    & skf18("9","1","1","3","9","6","1") = "8"
    & skf18("9","1","1","3","9","7","1") = "8"
    & skf18("9","1","1","3","9","8","1") = "8"
    & skf18("9","1","1","3","9","9","1") = "8"
    & skf18("9","1","1","3","9","10","1") = "9"
    & skf18("9","1","1","3","10","1","1") = "9"
    & skf18("9","1","1","3","10","2","1") = "9"
    & skf18("9","1","1","3","10","3","1") = "9"
    & skf18("9","1","1","3","10","4","1") = "9"
    & skf18("9","1","1","3","10","5","1") = "9"
    & skf18("9","1","1","3","10","6","1") = "9"
    & skf18("9","1","1","3","10","7","1") = "9"
    & skf18("9","1","1","3","10","8","1") = "9"
    & skf18("9","1","1","3","10","9","1") = "9"
    & skf18("9","1","1","3","10","10","1") = "9"
    & skf18("9","1","1","4","1","1","1") = "8"
    & skf18("9","1","1","4","1","2","1") = "8"
    & skf18("9","1","1","4","1","3","1") = "8"
    & skf18("9","1","1","4","1","4","1") = "8"
    & skf18("9","1","1","4","1","5","1") = "8"
    & skf18("9","1","1","4","1","6","1") = "8"
    & skf18("9","1","1","4","1","7","1") = "8"
    & skf18("9","1","1","4","1","8","1") = "8"
    & skf18("9","1","1","4","1","9","1") = "8"
    & skf18("9","1","1","4","1","10","1") = "9"
    & skf18("9","1","1","4","2","1","1") = "8"
    & skf18("9","1","1","4","2","2","1") = "8"
    & skf18("9","1","1","4","2","3","1") = "8"
    & skf18("9","1","1","4","2","4","1") = "8"
    & skf18("9","1","1","4","2","5","1") = "8"
    & skf18("9","1","1","4","2","6","1") = "8"
    & skf18("9","1","1","4","2","7","1") = "8"
    & skf18("9","1","1","4","2","8","1") = "8"
    & skf18("9","1","1","4","2","9","1") = "8"
    & skf18("9","1","1","4","2","10","1") = "9"
    & skf18("9","1","1","4","3","1","1") = "8"
    & skf18("9","1","1","4","3","2","1") = "8"
    & skf18("9","1","1","4","3","3","1") = "8"
    & skf18("9","1","1","4","3","4","1") = "8"
    & skf18("9","1","1","4","3","5","1") = "8"
    & skf18("9","1","1","4","3","6","1") = "8"
    & skf18("9","1","1","4","3","7","1") = "8"
    & skf18("9","1","1","4","3","8","1") = "8"
    & skf18("9","1","1","4","3","9","1") = "8"
    & skf18("9","1","1","4","3","10","1") = "9"
    & skf18("9","1","1","4","4","1","1") = "8"
    & skf18("9","1","1","4","4","2","1") = "8"
    & skf18("9","1","1","4","4","3","1") = "8"
    & skf18("9","1","1","4","4","4","1") = "8"
    & skf18("9","1","1","4","4","5","1") = "8"
    & skf18("9","1","1","4","4","6","1") = "8"
    & skf18("9","1","1","4","4","7","1") = "8"
    & skf18("9","1","1","4","4","8","1") = "8"
    & skf18("9","1","1","4","4","9","1") = "8"
    & skf18("9","1","1","4","4","10","1") = "9"
    & skf18("9","1","1","4","5","1","1") = "8"
    & skf18("9","1","1","4","5","2","1") = "8"
    & skf18("9","1","1","4","5","3","1") = "8"
    & skf18("9","1","1","4","5","4","1") = "8"
    & skf18("9","1","1","4","5","5","1") = "8"
    & skf18("9","1","1","4","5","6","1") = "8"
    & skf18("9","1","1","4","5","7","1") = "8"
    & skf18("9","1","1","4","5","8","1") = "8"
    & skf18("9","1","1","4","5","9","1") = "8"
    & skf18("9","1","1","4","5","10","1") = "9"
    & skf18("9","1","1","4","6","1","1") = "8"
    & skf18("9","1","1","4","6","2","1") = "8"
    & skf18("9","1","1","4","6","3","1") = "8"
    & skf18("9","1","1","4","6","4","1") = "8"
    & skf18("9","1","1","4","6","5","1") = "8"
    & skf18("9","1","1","4","6","6","1") = "8"
    & skf18("9","1","1","4","6","7","1") = "8"
    & skf18("9","1","1","4","6","8","1") = "8"
    & skf18("9","1","1","4","6","9","1") = "8"
    & skf18("9","1","1","4","6","10","1") = "9"
    & skf18("9","1","1","4","7","1","1") = "8"
    & skf18("9","1","1","4","7","2","1") = "8"
    & skf18("9","1","1","4","7","3","1") = "8"
    & skf18("9","1","1","4","7","4","1") = "8"
    & skf18("9","1","1","4","7","5","1") = "8"
    & skf18("9","1","1","4","7","6","1") = "8"
    & skf18("9","1","1","4","7","7","1") = "8"
    & skf18("9","1","1","4","7","8","1") = "8"
    & skf18("9","1","1","4","7","9","1") = "8"
    & skf18("9","1","1","4","7","10","1") = "9"
    & skf18("9","1","1","4","8","1","1") = "8"
    & skf18("9","1","1","4","8","2","1") = "8"
    & skf18("9","1","1","4","8","3","1") = "8"
    & skf18("9","1","1","4","8","4","1") = "8"
    & skf18("9","1","1","4","8","5","1") = "8"
    & skf18("9","1","1","4","8","6","1") = "8"
    & skf18("9","1","1","4","8","7","1") = "8"
    & skf18("9","1","1","4","8","8","1") = "8"
    & skf18("9","1","1","4","8","9","1") = "8"
    & skf18("9","1","1","4","8","10","1") = "9"
    & skf18("9","1","1","4","9","1","1") = "8"
    & skf18("9","1","1","4","9","2","1") = "8"
    & skf18("9","1","1","4","9","3","1") = "8"
    & skf18("9","1","1","4","9","4","1") = "8"
    & skf18("9","1","1","4","9","5","1") = "8"
    & skf18("9","1","1","4","9","6","1") = "8"
    & skf18("9","1","1","4","9","7","1") = "8"
    & skf18("9","1","1","4","9","8","1") = "8"
    & skf18("9","1","1","4","9","9","1") = "8"
    & skf18("9","1","1","4","9","10","1") = "9"
    & skf18("9","1","1","4","10","1","1") = "9"
    & skf18("9","1","1","4","10","2","1") = "9"
    & skf18("9","1","1","4","10","3","1") = "9"
    & skf18("9","1","1","4","10","4","1") = "9"
    & skf18("9","1","1","4","10","5","1") = "9"
    & skf18("9","1","1","4","10","6","1") = "9"
    & skf18("9","1","1","4","10","7","1") = "9"
    & skf18("9","1","1","4","10","8","1") = "9"
    & skf18("9","1","1","4","10","9","1") = "9"
    & skf18("9","1","1","4","10","10","1") = "9"
    & skf18("9","1","1","5","1","1","1") = "8"
    & skf18("9","1","1","5","1","2","1") = "8"
    & skf18("9","1","1","5","1","3","1") = "8"
    & skf18("9","1","1","5","1","4","1") = "8"
    & skf18("9","1","1","5","1","5","1") = "8"
    & skf18("9","1","1","5","1","6","1") = "8"
    & skf18("9","1","1","5","1","7","1") = "8"
    & skf18("9","1","1","5","1","8","1") = "8"
    & skf18("9","1","1","5","1","9","1") = "8"
    & skf18("9","1","1","5","1","10","1") = "9"
    & skf18("9","1","1","5","2","1","1") = "8"
    & skf18("9","1","1","5","2","2","1") = "8"
    & skf18("9","1","1","5","2","3","1") = "8"
    & skf18("9","1","1","5","2","4","1") = "8"
    & skf18("9","1","1","5","2","5","1") = "8"
    & skf18("9","1","1","5","2","6","1") = "8"
    & skf18("9","1","1","5","2","7","1") = "8"
    & skf18("9","1","1","5","2","8","1") = "8"
    & skf18("9","1","1","5","2","9","1") = "8"
    & skf18("9","1","1","5","2","10","1") = "9"
    & skf18("9","1","1","5","3","1","1") = "8"
    & skf18("9","1","1","5","3","2","1") = "8"
    & skf18("9","1","1","5","3","3","1") = "8"
    & skf18("9","1","1","5","3","4","1") = "8"
    & skf18("9","1","1","5","3","5","1") = "8"
    & skf18("9","1","1","5","3","6","1") = "8"
    & skf18("9","1","1","5","3","7","1") = "8"
    & skf18("9","1","1","5","3","8","1") = "8"
    & skf18("9","1","1","5","3","9","1") = "8"
    & skf18("9","1","1","5","3","10","1") = "9"
    & skf18("9","1","1","5","4","1","1") = "8"
    & skf18("9","1","1","5","4","2","1") = "8"
    & skf18("9","1","1","5","4","3","1") = "8"
    & skf18("9","1","1","5","4","4","1") = "8"
    & skf18("9","1","1","5","4","5","1") = "8"
    & skf18("9","1","1","5","4","6","1") = "8"
    & skf18("9","1","1","5","4","7","1") = "8"
    & skf18("9","1","1","5","4","8","1") = "8"
    & skf18("9","1","1","5","4","9","1") = "8"
    & skf18("9","1","1","5","4","10","1") = "9"
    & skf18("9","1","1","5","5","1","1") = "8"
    & skf18("9","1","1","5","5","2","1") = "8"
    & skf18("9","1","1","5","5","3","1") = "8"
    & skf18("9","1","1","5","5","4","1") = "8"
    & skf18("9","1","1","5","5","5","1") = "8"
    & skf18("9","1","1","5","5","6","1") = "8"
    & skf18("9","1","1","5","5","7","1") = "8"
    & skf18("9","1","1","5","5","8","1") = "8"
    & skf18("9","1","1","5","5","9","1") = "8"
    & skf18("9","1","1","5","5","10","1") = "9"
    & skf18("9","1","1","5","6","1","1") = "8"
    & skf18("9","1","1","5","6","2","1") = "8"
    & skf18("9","1","1","5","6","3","1") = "8"
    & skf18("9","1","1","5","6","4","1") = "8"
    & skf18("9","1","1","5","6","5","1") = "8"
    & skf18("9","1","1","5","6","6","1") = "8"
    & skf18("9","1","1","5","6","7","1") = "8"
    & skf18("9","1","1","5","6","8","1") = "8"
    & skf18("9","1","1","5","6","9","1") = "8"
    & skf18("9","1","1","5","6","10","1") = "9"
    & skf18("9","1","1","5","7","1","1") = "8"
    & skf18("9","1","1","5","7","2","1") = "8"
    & skf18("9","1","1","5","7","3","1") = "8"
    & skf18("9","1","1","5","7","4","1") = "8"
    & skf18("9","1","1","5","7","5","1") = "8"
    & skf18("9","1","1","5","7","6","1") = "8"
    & skf18("9","1","1","5","7","7","1") = "8"
    & skf18("9","1","1","5","7","8","1") = "8"
    & skf18("9","1","1","5","7","9","1") = "8"
    & skf18("9","1","1","5","7","10","1") = "9"
    & skf18("9","1","1","5","8","1","1") = "8"
    & skf18("9","1","1","5","8","2","1") = "8"
    & skf18("9","1","1","5","8","3","1") = "8"
    & skf18("9","1","1","5","8","4","1") = "8"
    & skf18("9","1","1","5","8","5","1") = "8"
    & skf18("9","1","1","5","8","6","1") = "8"
    & skf18("9","1","1","5","8","7","1") = "8"
    & skf18("9","1","1","5","8","8","1") = "8"
    & skf18("9","1","1","5","8","9","1") = "8"
    & skf18("9","1","1","5","8","10","1") = "9"
    & skf18("9","1","1","5","9","1","1") = "8"
    & skf18("9","1","1","5","9","2","1") = "8"
    & skf18("9","1","1","5","9","3","1") = "8"
    & skf18("9","1","1","5","9","4","1") = "8"
    & skf18("9","1","1","5","9","5","1") = "8"
    & skf18("9","1","1","5","9","6","1") = "8"
    & skf18("9","1","1","5","9","7","1") = "8"
    & skf18("9","1","1","5","9","8","1") = "8"
    & skf18("9","1","1","5","9","9","1") = "8"
    & skf18("9","1","1","5","9","10","1") = "9"
    & skf18("9","1","1","5","10","1","1") = "9"
    & skf18("9","1","1","5","10","2","1") = "9"
    & skf18("9","1","1","5","10","3","1") = "9"
    & skf18("9","1","1","5","10","4","1") = "9"
    & skf18("9","1","1","5","10","5","1") = "9"
    & skf18("9","1","1","5","10","6","1") = "9"
    & skf18("9","1","1","5","10","7","1") = "9"
    & skf18("9","1","1","5","10","8","1") = "9"
    & skf18("9","1","1","5","10","9","1") = "9"
    & skf18("9","1","1","5","10","10","1") = "9"
    & skf18("9","1","1","6","1","1","1") = "8"
    & skf18("9","1","1","6","1","2","1") = "8"
    & skf18("9","1","1","6","1","3","1") = "8"
    & skf18("9","1","1","6","1","4","1") = "8"
    & skf18("9","1","1","6","1","5","1") = "8"
    & skf18("9","1","1","6","1","6","1") = "8"
    & skf18("9","1","1","6","1","7","1") = "8"
    & skf18("9","1","1","6","1","8","1") = "8"
    & skf18("9","1","1","6","1","9","1") = "8"
    & skf18("9","1","1","6","1","10","1") = "9"
    & skf18("9","1","1","6","2","1","1") = "8"
    & skf18("9","1","1","6","2","2","1") = "8"
    & skf18("9","1","1","6","2","3","1") = "8"
    & skf18("9","1","1","6","2","4","1") = "8"
    & skf18("9","1","1","6","2","5","1") = "8"
    & skf18("9","1","1","6","2","6","1") = "8"
    & skf18("9","1","1","6","2","7","1") = "8"
    & skf18("9","1","1","6","2","8","1") = "8"
    & skf18("9","1","1","6","2","9","1") = "8"
    & skf18("9","1","1","6","2","10","1") = "9"
    & skf18("9","1","1","6","3","1","1") = "8"
    & skf18("9","1","1","6","3","2","1") = "8"
    & skf18("9","1","1","6","3","3","1") = "8"
    & skf18("9","1","1","6","3","4","1") = "8"
    & skf18("9","1","1","6","3","5","1") = "8"
    & skf18("9","1","1","6","3","6","1") = "8"
    & skf18("9","1","1","6","3","7","1") = "8"
    & skf18("9","1","1","6","3","8","1") = "8"
    & skf18("9","1","1","6","3","9","1") = "8"
    & skf18("9","1","1","6","3","10","1") = "9"
    & skf18("9","1","1","6","4","1","1") = "8"
    & skf18("9","1","1","6","4","2","1") = "8"
    & skf18("9","1","1","6","4","3","1") = "8"
    & skf18("9","1","1","6","4","4","1") = "8"
    & skf18("9","1","1","6","4","5","1") = "8"
    & skf18("9","1","1","6","4","6","1") = "8"
    & skf18("9","1","1","6","4","7","1") = "8"
    & skf18("9","1","1","6","4","8","1") = "8"
    & skf18("9","1","1","6","4","9","1") = "8"
    & skf18("9","1","1","6","4","10","1") = "9"
    & skf18("9","1","1","6","5","1","1") = "8"
    & skf18("9","1","1","6","5","2","1") = "8"
    & skf18("9","1","1","6","5","3","1") = "8"
    & skf18("9","1","1","6","5","4","1") = "8"
    & skf18("9","1","1","6","5","5","1") = "8"
    & skf18("9","1","1","6","5","6","1") = "8"
    & skf18("9","1","1","6","5","7","1") = "8"
    & skf18("9","1","1","6","5","8","1") = "8"
    & skf18("9","1","1","6","5","9","1") = "8"
    & skf18("9","1","1","6","5","10","1") = "9"
    & skf18("9","1","1","6","6","1","1") = "8"
    & skf18("9","1","1","6","6","2","1") = "8"
    & skf18("9","1","1","6","6","3","1") = "8"
    & skf18("9","1","1","6","6","4","1") = "8"
    & skf18("9","1","1","6","6","5","1") = "8"
    & skf18("9","1","1","6","6","6","1") = "8"
    & skf18("9","1","1","6","6","7","1") = "8"
    & skf18("9","1","1","6","6","8","1") = "8"
    & skf18("9","1","1","6","6","9","1") = "8"
    & skf18("9","1","1","6","6","10","1") = "9"
    & skf18("9","1","1","6","7","1","1") = "8"
    & skf18("9","1","1","6","7","2","1") = "8"
    & skf18("9","1","1","6","7","3","1") = "8"
    & skf18("9","1","1","6","7","4","1") = "8"
    & skf18("9","1","1","6","7","5","1") = "8"
    & skf18("9","1","1","6","7","6","1") = "8"
    & skf18("9","1","1","6","7","7","1") = "8"
    & skf18("9","1","1","6","7","8","1") = "8"
    & skf18("9","1","1","6","7","9","1") = "8"
    & skf18("9","1","1","6","7","10","1") = "9"
    & skf18("9","1","1","6","8","1","1") = "8"
    & skf18("9","1","1","6","8","2","1") = "8"
    & skf18("9","1","1","6","8","3","1") = "8"
    & skf18("9","1","1","6","8","4","1") = "8"
    & skf18("9","1","1","6","8","5","1") = "8"
    & skf18("9","1","1","6","8","6","1") = "8"
    & skf18("9","1","1","6","8","7","1") = "8"
    & skf18("9","1","1","6","8","8","1") = "8"
    & skf18("9","1","1","6","8","9","1") = "8"
    & skf18("9","1","1","6","8","10","1") = "9"
    & skf18("9","1","1","6","9","1","1") = "8"
    & skf18("9","1","1","6","9","2","1") = "8"
    & skf18("9","1","1","6","9","3","1") = "8"
    & skf18("9","1","1","6","9","4","1") = "8"
    & skf18("9","1","1","6","9","5","1") = "8"
    & skf18("9","1","1","6","9","6","1") = "8"
    & skf18("9","1","1","6","9","7","1") = "8"
    & skf18("9","1","1","6","9","8","1") = "8"
    & skf18("9","1","1","6","9","9","1") = "8"
    & skf18("9","1","1","6","9","10","1") = "9"
    & skf18("9","1","1","6","10","1","1") = "9"
    & skf18("9","1","1","6","10","2","1") = "9"
    & skf18("9","1","1","6","10","3","1") = "9"
    & skf18("9","1","1","6","10","4","1") = "9"
    & skf18("9","1","1","6","10","5","1") = "9"
    & skf18("9","1","1","6","10","6","1") = "9"
    & skf18("9","1","1","6","10","7","1") = "9"
    & skf18("9","1","1","6","10","8","1") = "9"
    & skf18("9","1","1","6","10","9","1") = "9"
    & skf18("9","1","1","6","10","10","1") = "9"
    & skf18("9","1","1","7","1","1","1") = "8"
    & skf18("9","1","1","7","1","2","1") = "8"
    & skf18("9","1","1","7","1","3","1") = "8"
    & skf18("9","1","1","7","1","4","1") = "8"
    & skf18("9","1","1","7","1","5","1") = "8"
    & skf18("9","1","1","7","1","6","1") = "8"
    & skf18("9","1","1","7","1","7","1") = "8"
    & skf18("9","1","1","7","1","8","1") = "8"
    & skf18("9","1","1","7","1","9","1") = "8"
    & skf18("9","1","1","7","1","10","1") = "9"
    & skf18("9","1","1","7","2","1","1") = "8"
    & skf18("9","1","1","7","2","2","1") = "8"
    & skf18("9","1","1","7","2","3","1") = "8"
    & skf18("9","1","1","7","2","4","1") = "8"
    & skf18("9","1","1","7","2","5","1") = "8"
    & skf18("9","1","1","7","2","6","1") = "8"
    & skf18("9","1","1","7","2","7","1") = "8"
    & skf18("9","1","1","7","2","8","1") = "8"
    & skf18("9","1","1","7","2","9","1") = "8"
    & skf18("9","1","1","7","2","10","1") = "9"
    & skf18("9","1","1","7","3","1","1") = "8"
    & skf18("9","1","1","7","3","2","1") = "8"
    & skf18("9","1","1","7","3","3","1") = "8"
    & skf18("9","1","1","7","3","4","1") = "8"
    & skf18("9","1","1","7","3","5","1") = "8"
    & skf18("9","1","1","7","3","6","1") = "8"
    & skf18("9","1","1","7","3","7","1") = "8"
    & skf18("9","1","1","7","3","8","1") = "8"
    & skf18("9","1","1","7","3","9","1") = "8"
    & skf18("9","1","1","7","3","10","1") = "9"
    & skf18("9","1","1","7","4","1","1") = "8"
    & skf18("9","1","1","7","4","2","1") = "8"
    & skf18("9","1","1","7","4","3","1") = "8"
    & skf18("9","1","1","7","4","4","1") = "8"
    & skf18("9","1","1","7","4","5","1") = "8"
    & skf18("9","1","1","7","4","6","1") = "8"
    & skf18("9","1","1","7","4","7","1") = "8"
    & skf18("9","1","1","7","4","8","1") = "8"
    & skf18("9","1","1","7","4","9","1") = "8"
    & skf18("9","1","1","7","4","10","1") = "9"
    & skf18("9","1","1","7","5","1","1") = "8"
    & skf18("9","1","1","7","5","2","1") = "8"
    & skf18("9","1","1","7","5","3","1") = "8"
    & skf18("9","1","1","7","5","4","1") = "8"
    & skf18("9","1","1","7","5","5","1") = "8"
    & skf18("9","1","1","7","5","6","1") = "8"
    & skf18("9","1","1","7","5","7","1") = "8"
    & skf18("9","1","1","7","5","8","1") = "8"
    & skf18("9","1","1","7","5","9","1") = "8"
    & skf18("9","1","1","7","5","10","1") = "9"
    & skf18("9","1","1","7","6","1","1") = "8"
    & skf18("9","1","1","7","6","2","1") = "8"
    & skf18("9","1","1","7","6","3","1") = "8"
    & skf18("9","1","1","7","6","4","1") = "8"
    & skf18("9","1","1","7","6","5","1") = "8"
    & skf18("9","1","1","7","6","6","1") = "8"
    & skf18("9","1","1","7","6","7","1") = "8"
    & skf18("9","1","1","7","6","8","1") = "8"
    & skf18("9","1","1","7","6","9","1") = "8"
    & skf18("9","1","1","7","6","10","1") = "9"
    & skf18("9","1","1","7","7","1","1") = "8"
    & skf18("9","1","1","7","7","2","1") = "8"
    & skf18("9","1","1","7","7","3","1") = "8"
    & skf18("9","1","1","7","7","4","1") = "8"
    & skf18("9","1","1","7","7","5","1") = "8"
    & skf18("9","1","1","7","7","6","1") = "8"
    & skf18("9","1","1","7","7","7","1") = "8"
    & skf18("9","1","1","7","7","8","1") = "8"
    & skf18("9","1","1","7","7","9","1") = "8"
    & skf18("9","1","1","7","7","10","1") = "9"
    & skf18("9","1","1","7","8","1","1") = "8"
    & skf18("9","1","1","7","8","2","1") = "8"
    & skf18("9","1","1","7","8","3","1") = "8"
    & skf18("9","1","1","7","8","4","1") = "8"
    & skf18("9","1","1","7","8","5","1") = "8"
    & skf18("9","1","1","7","8","6","1") = "8"
    & skf18("9","1","1","7","8","7","1") = "8"
    & skf18("9","1","1","7","8","8","1") = "8"
    & skf18("9","1","1","7","8","9","1") = "8"
    & skf18("9","1","1","7","8","10","1") = "9"
    & skf18("9","1","1","7","9","1","1") = "8"
    & skf18("9","1","1","7","9","2","1") = "8"
    & skf18("9","1","1","7","9","3","1") = "8"
    & skf18("9","1","1","7","9","4","1") = "8"
    & skf18("9","1","1","7","9","5","1") = "8"
    & skf18("9","1","1","7","9","6","1") = "8"
    & skf18("9","1","1","7","9","7","1") = "8"
    & skf18("9","1","1","7","9","8","1") = "8"
    & skf18("9","1","1","7","9","9","1") = "8"
    & skf18("9","1","1","7","9","10","1") = "9"
    & skf18("9","1","1","7","10","1","1") = "9"
    & skf18("9","1","1","7","10","2","1") = "9"
    & skf18("9","1","1","7","10","3","1") = "9"
    & skf18("9","1","1","7","10","4","1") = "9"
    & skf18("9","1","1","7","10","5","1") = "9"
    & skf18("9","1","1","7","10","6","1") = "9"
    & skf18("9","1","1","7","10","7","1") = "9"
    & skf18("9","1","1","7","10","8","1") = "9"
    & skf18("9","1","1","7","10","9","1") = "9"
    & skf18("9","1","1","7","10","10","1") = "9"
    & skf18("9","1","1","8","1","1","1") = "8"
    & skf18("9","1","1","8","1","2","1") = "8"
    & skf18("9","1","1","8","1","3","1") = "8"
    & skf18("9","1","1","8","1","4","1") = "8"
    & skf18("9","1","1","8","1","5","1") = "8"
    & skf18("9","1","1","8","1","6","1") = "8"
    & skf18("9","1","1","8","1","7","1") = "8"
    & skf18("9","1","1","8","1","8","1") = "8"
    & skf18("9","1","1","8","1","9","1") = "8"
    & skf18("9","1","1","8","1","10","1") = "9"
    & skf18("9","1","1","8","2","1","1") = "8"
    & skf18("9","1","1","8","2","2","1") = "8"
    & skf18("9","1","1","8","2","3","1") = "8"
    & skf18("9","1","1","8","2","4","1") = "8"
    & skf18("9","1","1","8","2","5","1") = "8"
    & skf18("9","1","1","8","2","6","1") = "8"
    & skf18("9","1","1","8","2","7","1") = "8"
    & skf18("9","1","1","8","2","8","1") = "8"
    & skf18("9","1","1","8","2","9","1") = "8"
    & skf18("9","1","1","8","2","10","1") = "9"
    & skf18("9","1","1","8","3","1","1") = "8"
    & skf18("9","1","1","8","3","2","1") = "8"
    & skf18("9","1","1","8","3","3","1") = "8"
    & skf18("9","1","1","8","3","4","1") = "8"
    & skf18("9","1","1","8","3","5","1") = "8"
    & skf18("9","1","1","8","3","6","1") = "8"
    & skf18("9","1","1","8","3","7","1") = "8"
    & skf18("9","1","1","8","3","8","1") = "8"
    & skf18("9","1","1","8","3","9","1") = "8"
    & skf18("9","1","1","8","3","10","1") = "9"
    & skf18("9","1","1","8","4","1","1") = "8"
    & skf18("9","1","1","8","4","2","1") = "8"
    & skf18("9","1","1","8","4","3","1") = "8"
    & skf18("9","1","1","8","4","4","1") = "8"
    & skf18("9","1","1","8","4","5","1") = "8"
    & skf18("9","1","1","8","4","6","1") = "8"
    & skf18("9","1","1","8","4","7","1") = "8"
    & skf18("9","1","1","8","4","8","1") = "8"
    & skf18("9","1","1","8","4","9","1") = "8"
    & skf18("9","1","1","8","4","10","1") = "9"
    & skf18("9","1","1","8","5","1","1") = "8"
    & skf18("9","1","1","8","5","2","1") = "8"
    & skf18("9","1","1","8","5","3","1") = "8"
    & skf18("9","1","1","8","5","4","1") = "8"
    & skf18("9","1","1","8","5","5","1") = "8"
    & skf18("9","1","1","8","5","6","1") = "8"
    & skf18("9","1","1","8","5","7","1") = "8"
    & skf18("9","1","1","8","5","8","1") = "8"
    & skf18("9","1","1","8","5","9","1") = "8"
    & skf18("9","1","1","8","5","10","1") = "9"
    & skf18("9","1","1","8","6","1","1") = "8"
    & skf18("9","1","1","8","6","2","1") = "8"
    & skf18("9","1","1","8","6","3","1") = "8"
    & skf18("9","1","1","8","6","4","1") = "8"
    & skf18("9","1","1","8","6","5","1") = "8"
    & skf18("9","1","1","8","6","6","1") = "8"
    & skf18("9","1","1","8","6","7","1") = "8"
    & skf18("9","1","1","8","6","8","1") = "8"
    & skf18("9","1","1","8","6","9","1") = "8"
    & skf18("9","1","1","8","6","10","1") = "9"
    & skf18("9","1","1","8","7","1","1") = "8"
    & skf18("9","1","1","8","7","2","1") = "8"
    & skf18("9","1","1","8","7","3","1") = "8"
    & skf18("9","1","1","8","7","4","1") = "8"
    & skf18("9","1","1","8","7","5","1") = "8"
    & skf18("9","1","1","8","7","6","1") = "8"
    & skf18("9","1","1","8","7","7","1") = "8"
    & skf18("9","1","1","8","7","8","1") = "8"
    & skf18("9","1","1","8","7","9","1") = "8"
    & skf18("9","1","1","8","7","10","1") = "9"
    & skf18("9","1","1","8","8","1","1") = "8"
    & skf18("9","1","1","8","8","2","1") = "8"
    & skf18("9","1","1","8","8","3","1") = "8"
    & skf18("9","1","1","8","8","4","1") = "8"
    & skf18("9","1","1","8","8","5","1") = "8"
    & skf18("9","1","1","8","8","6","1") = "8"
    & skf18("9","1","1","8","8","7","1") = "8"
    & skf18("9","1","1","8","8","8","1") = "8"
    & skf18("9","1","1","8","8","9","1") = "8"
    & skf18("9","1","1","8","8","10","1") = "9"
    & skf18("9","1","1","8","9","1","1") = "8"
    & skf18("9","1","1","8","9","2","1") = "8"
    & skf18("9","1","1","8","9","3","1") = "8"
    & skf18("9","1","1","8","9","4","1") = "8"
    & skf18("9","1","1","8","9","5","1") = "8"
    & skf18("9","1","1","8","9","6","1") = "8"
    & skf18("9","1","1","8","9","7","1") = "8"
    & skf18("9","1","1","8","9","8","1") = "8"
    & skf18("9","1","1","8","9","9","1") = "8"
    & skf18("9","1","1","8","9","10","1") = "9"
    & skf18("9","1","1","8","10","1","1") = "9"
    & skf18("9","1","1","8","10","2","1") = "9"
    & skf18("9","1","1","8","10","3","1") = "9"
    & skf18("9","1","1","8","10","4","1") = "9"
    & skf18("9","1","1","8","10","5","1") = "9"
    & skf18("9","1","1","8","10","6","1") = "9"
    & skf18("9","1","1","8","10","7","1") = "9"
    & skf18("9","1","1","8","10","8","1") = "9"
    & skf18("9","1","1","8","10","9","1") = "9"
    & skf18("9","1","1","8","10","10","1") = "9"
    & skf18("9","1","1","9","1","1","1") = "8"
    & skf18("9","1","1","9","1","2","1") = "8"
    & skf18("9","1","1","9","1","3","1") = "8"
    & skf18("9","1","1","9","1","4","1") = "8"
    & skf18("9","1","1","9","1","5","1") = "8"
    & skf18("9","1","1","9","1","6","1") = "8"
    & skf18("9","1","1","9","1","7","1") = "8"
    & skf18("9","1","1","9","1","8","1") = "8"
    & skf18("9","1","1","9","1","9","1") = "8"
    & skf18("9","1","1","9","1","10","1") = "9"
    & skf18("9","1","1","9","2","1","1") = "8"
    & skf18("9","1","1","9","2","2","1") = "8"
    & skf18("9","1","1","9","2","3","1") = "8"
    & skf18("9","1","1","9","2","4","1") = "8"
    & skf18("9","1","1","9","2","5","1") = "8"
    & skf18("9","1","1","9","2","6","1") = "8"
    & skf18("9","1","1","9","2","7","1") = "8"
    & skf18("9","1","1","9","2","8","1") = "8"
    & skf18("9","1","1","9","2","9","1") = "8"
    & skf18("9","1","1","9","2","10","1") = "9"
    & skf18("9","1","1","9","3","1","1") = "8"
    & skf18("9","1","1","9","3","2","1") = "8"
    & skf18("9","1","1","9","3","3","1") = "8"
    & skf18("9","1","1","9","3","4","1") = "8"
    & skf18("9","1","1","9","3","5","1") = "8"
    & skf18("9","1","1","9","3","6","1") = "8"
    & skf18("9","1","1","9","3","7","1") = "8"
    & skf18("9","1","1","9","3","8","1") = "8"
    & skf18("9","1","1","9","3","9","1") = "8"
    & skf18("9","1","1","9","3","10","1") = "9"
    & skf18("9","1","1","9","4","1","1") = "8"
    & skf18("9","1","1","9","4","2","1") = "8"
    & skf18("9","1","1","9","4","3","1") = "8"
    & skf18("9","1","1","9","4","4","1") = "8"
    & skf18("9","1","1","9","4","5","1") = "8"
    & skf18("9","1","1","9","4","6","1") = "8"
    & skf18("9","1","1","9","4","7","1") = "8"
    & skf18("9","1","1","9","4","8","1") = "8"
    & skf18("9","1","1","9","4","9","1") = "8"
    & skf18("9","1","1","9","4","10","1") = "9"
    & skf18("9","1","1","9","5","1","1") = "8"
    & skf18("9","1","1","9","5","2","1") = "8"
    & skf18("9","1","1","9","5","3","1") = "8"
    & skf18("9","1","1","9","5","4","1") = "8"
    & skf18("9","1","1","9","5","5","1") = "8"
    & skf18("9","1","1","9","5","6","1") = "8"
    & skf18("9","1","1","9","5","7","1") = "8"
    & skf18("9","1","1","9","5","8","1") = "8"
    & skf18("9","1","1","9","5","9","1") = "8"
    & skf18("9","1","1","9","5","10","1") = "9"
    & skf18("9","1","1","9","6","1","1") = "8"
    & skf18("9","1","1","9","6","2","1") = "8"
    & skf18("9","1","1","9","6","3","1") = "8"
    & skf18("9","1","1","9","6","4","1") = "8"
    & skf18("9","1","1","9","6","5","1") = "8"
    & skf18("9","1","1","9","6","6","1") = "8"
    & skf18("9","1","1","9","6","7","1") = "8"
    & skf18("9","1","1","9","6","8","1") = "8"
    & skf18("9","1","1","9","6","9","1") = "8"
    & skf18("9","1","1","9","6","10","1") = "9"
    & skf18("9","1","1","9","7","1","1") = "8"
    & skf18("9","1","1","9","7","2","1") = "8"
    & skf18("9","1","1","9","7","3","1") = "8"
    & skf18("9","1","1","9","7","4","1") = "8"
    & skf18("9","1","1","9","7","5","1") = "8"
    & skf18("9","1","1","9","7","6","1") = "8"
    & skf18("9","1","1","9","7","7","1") = "8"
    & skf18("9","1","1","9","7","8","1") = "8"
    & skf18("9","1","1","9","7","9","1") = "8"
    & skf18("9","1","1","9","7","10","1") = "9"
    & skf18("9","1","1","9","8","1","1") = "8"
    & skf18("9","1","1","9","8","2","1") = "8"
    & skf18("9","1","1","9","8","3","1") = "8"
    & skf18("9","1","1","9","8","4","1") = "8"
    & skf18("9","1","1","9","8","5","1") = "8"
    & skf18("9","1","1","9","8","6","1") = "8"
    & skf18("9","1","1","9","8","7","1") = "8"
    & skf18("9","1","1","9","8","8","1") = "8"
    & skf18("9","1","1","9","8","9","1") = "8"
    & skf18("9","1","1","9","8","10","1") = "9"
    & skf18("9","1","1","9","9","1","1") = "8"
    & skf18("9","1","1","9","9","2","1") = "8"
    & skf18("9","1","1","9","9","3","1") = "8"
    & skf18("9","1","1","9","9","4","1") = "8"
    & skf18("9","1","1","9","9","5","1") = "8"
    & skf18("9","1","1","9","9","6","1") = "8"
    & skf18("9","1","1","9","9","7","1") = "8"
    & skf18("9","1","1","9","9","8","1") = "8"
    & skf18("9","1","1","9","9","9","1") = "8"
    & skf18("9","1","1","9","9","10","1") = "9"
    & skf18("9","1","1","9","10","1","1") = "9"
    & skf18("9","1","1","9","10","2","1") = "9"
    & skf18("9","1","1","9","10","3","1") = "9"
    & skf18("9","1","1","9","10","4","1") = "9"
    & skf18("9","1","1","9","10","5","1") = "9"
    & skf18("9","1","1","9","10","6","1") = "9"
    & skf18("9","1","1","9","10","7","1") = "9"
    & skf18("9","1","1","9","10","8","1") = "9"
    & skf18("9","1","1","9","10","9","1") = "9"
    & skf18("9","1","1","9","10","10","1") = "9"
    & skf18("9","1","1","10","1","1","1") = "9"
    & skf18("9","1","1","10","1","2","1") = "9"
    & skf18("9","1","1","10","1","3","1") = "9"
    & skf18("9","1","1","10","1","4","1") = "9"
    & skf18("9","1","1","10","1","5","1") = "9"
    & skf18("9","1","1","10","1","6","1") = "9"
    & skf18("9","1","1","10","1","7","1") = "9"
    & skf18("9","1","1","10","1","8","1") = "9"
    & skf18("9","1","1","10","1","9","1") = "9"
    & skf18("9","1","1","10","1","10","1") = "9"
    & skf18("9","1","1","10","2","1","1") = "9"
    & skf18("9","1","1","10","2","2","1") = "9"
    & skf18("9","1","1","10","2","3","1") = "9"
    & skf18("9","1","1","10","2","4","1") = "9"
    & skf18("9","1","1","10","2","5","1") = "9"
    & skf18("9","1","1","10","2","6","1") = "9"
    & skf18("9","1","1","10","2","7","1") = "9"
    & skf18("9","1","1","10","2","8","1") = "9"
    & skf18("9","1","1","10","2","9","1") = "9"
    & skf18("9","1","1","10","2","10","1") = "9"
    & skf18("9","1","1","10","3","1","1") = "9"
    & skf18("9","1","1","10","3","2","1") = "9"
    & skf18("9","1","1","10","3","3","1") = "9"
    & skf18("9","1","1","10","3","4","1") = "9"
    & skf18("9","1","1","10","3","5","1") = "9"
    & skf18("9","1","1","10","3","6","1") = "9"
    & skf18("9","1","1","10","3","7","1") = "9"
    & skf18("9","1","1","10","3","8","1") = "9"
    & skf18("9","1","1","10","3","9","1") = "9"
    & skf18("9","1","1","10","3","10","1") = "9"
    & skf18("9","1","1","10","4","1","1") = "9"
    & skf18("9","1","1","10","4","2","1") = "9"
    & skf18("9","1","1","10","4","3","1") = "9"
    & skf18("9","1","1","10","4","4","1") = "9"
    & skf18("9","1","1","10","4","5","1") = "9"
    & skf18("9","1","1","10","4","6","1") = "9"
    & skf18("9","1","1","10","4","7","1") = "9"
    & skf18("9","1","1","10","4","8","1") = "9"
    & skf18("9","1","1","10","4","9","1") = "9"
    & skf18("9","1","1","10","4","10","1") = "9"
    & skf18("9","1","1","10","5","1","1") = "9"
    & skf18("9","1","1","10","5","2","1") = "9"
    & skf18("9","1","1","10","5","3","1") = "9"
    & skf18("9","1","1","10","5","4","1") = "9"
    & skf18("9","1","1","10","5","5","1") = "9"
    & skf18("9","1","1","10","5","6","1") = "9"
    & skf18("9","1","1","10","5","7","1") = "9"
    & skf18("9","1","1","10","5","8","1") = "9"
    & skf18("9","1","1","10","5","9","1") = "9"
    & skf18("9","1","1","10","5","10","1") = "9"
    & skf18("9","1","1","10","6","1","1") = "9"
    & skf18("9","1","1","10","6","2","1") = "9"
    & skf18("9","1","1","10","6","3","1") = "9"
    & skf18("9","1","1","10","6","4","1") = "9"
    & skf18("9","1","1","10","6","5","1") = "9"
    & skf18("9","1","1","10","6","6","1") = "9"
    & skf18("9","1","1","10","6","7","1") = "9"
    & skf18("9","1","1","10","6","8","1") = "9"
    & skf18("9","1","1","10","6","9","1") = "9"
    & skf18("9","1","1","10","6","10","1") = "9"
    & skf18("9","1","1","10","7","1","1") = "9"
    & skf18("9","1","1","10","7","2","1") = "9"
    & skf18("9","1","1","10","7","3","1") = "9"
    & skf18("9","1","1","10","7","4","1") = "9"
    & skf18("9","1","1","10","7","5","1") = "9"
    & skf18("9","1","1","10","7","6","1") = "9"
    & skf18("9","1","1","10","7","7","1") = "9"
    & skf18("9","1","1","10","7","8","1") = "9"
    & skf18("9","1","1","10","7","9","1") = "9"
    & skf18("9","1","1","10","7","10","1") = "9"
    & skf18("9","1","1","10","8","1","1") = "9"
    & skf18("9","1","1","10","8","2","1") = "9"
    & skf18("9","1","1","10","8","3","1") = "9"
    & skf18("9","1","1","10","8","4","1") = "9"
    & skf18("9","1","1","10","8","5","1") = "9"
    & skf18("9","1","1","10","8","6","1") = "9"
    & skf18("9","1","1","10","8","7","1") = "9"
    & skf18("9","1","1","10","8","8","1") = "9"
    & skf18("9","1","1","10","8","9","1") = "9"
    & skf18("9","1","1","10","8","10","1") = "9"
    & skf18("9","1","1","10","9","1","1") = "9"
    & skf18("9","1","1","10","9","2","1") = "9"
    & skf18("9","1","1","10","9","3","1") = "9"
    & skf18("9","1","1","10","9","4","1") = "9"
    & skf18("9","1","1","10","9","5","1") = "9"
    & skf18("9","1","1","10","9","6","1") = "9"
    & skf18("9","1","1","10","9","7","1") = "9"
    & skf18("9","1","1","10","9","8","1") = "9"
    & skf18("9","1","1","10","9","9","1") = "9"
    & skf18("9","1","1","10","9","10","1") = "9"
    & skf18("9","1","1","10","10","1","1") = "9"
    & skf18("9","1","1","10","10","2","1") = "9"
    & skf18("9","1","1","10","10","3","1") = "9"
    & skf18("9","1","1","10","10","4","1") = "9"
    & skf18("9","1","1","10","10","5","1") = "9"
    & skf18("9","1","1","10","10","6","1") = "9"
    & skf18("9","1","1","10","10","7","1") = "9"
    & skf18("9","1","1","10","10","8","1") = "9"
    & skf18("9","1","1","10","10","9","1") = "9"
    & skf18("9","1","1","10","10","10","1") = "9"
    & skf18("9","1","2","1","1","1","1") = "8"
    & skf18("9","1","2","1","1","2","1") = "8"
    & skf18("9","1","2","1","1","3","1") = "8"
    & skf18("9","1","2","1","1","4","1") = "8"
    & skf18("9","1","2","1","1","5","1") = "8"
    & skf18("9","1","2","1","1","6","1") = "8"
    & skf18("9","1","2","1","1","7","1") = "8"
    & skf18("9","1","2","1","1","8","1") = "8"
    & skf18("9","1","2","1","1","9","1") = "8"
    & skf18("9","1","2","1","1","10","1") = "9"
    & skf18("9","1","2","1","2","1","1") = "8"
    & skf18("9","1","2","1","2","2","1") = "8"
    & skf18("9","1","2","1","2","3","1") = "8"
    & skf18("9","1","2","1","2","4","1") = "8"
    & skf18("9","1","2","1","2","5","1") = "8"
    & skf18("9","1","2","1","2","6","1") = "8"
    & skf18("9","1","2","1","2","7","1") = "8"
    & skf18("9","1","2","1","2","8","1") = "8"
    & skf18("9","1","2","1","2","9","1") = "8"
    & skf18("9","1","2","1","2","10","1") = "9"
    & skf18("9","1","2","1","3","1","1") = "8"
    & skf18("9","1","2","1","3","2","1") = "8"
    & skf18("9","1","2","1","3","3","1") = "8"
    & skf18("9","1","2","1","3","4","1") = "8"
    & skf18("9","1","2","1","3","5","1") = "8"
    & skf18("9","1","2","1","3","6","1") = "8"
    & skf18("9","1","2","1","3","7","1") = "8"
    & skf18("9","1","2","1","3","8","1") = "8"
    & skf18("9","1","2","1","3","9","1") = "8"
    & skf18("9","1","2","1","3","10","1") = "9"
    & skf18("9","1","2","1","4","1","1") = "8"
    & skf18("9","1","2","1","4","2","1") = "8"
    & skf18("9","1","2","1","4","3","1") = "8"
    & skf18("9","1","2","1","4","4","1") = "8"
    & skf18("9","1","2","1","4","5","1") = "8"
    & skf18("9","1","2","1","4","6","1") = "8"
    & skf18("9","1","2","1","4","7","1") = "8"
    & skf18("9","1","2","1","4","8","1") = "8"
    & skf18("9","1","2","1","4","9","1") = "8"
    & skf18("9","1","2","1","4","10","1") = "9"
    & skf18("9","1","2","1","5","1","1") = "8"
    & skf18("9","1","2","1","5","2","1") = "8"
    & skf18("9","1","2","1","5","3","1") = "8"
    & skf18("9","1","2","1","5","4","1") = "8"
    & skf18("9","1","2","1","5","5","1") = "8"
    & skf18("9","1","2","1","5","6","1") = "8"
    & skf18("9","1","2","1","5","7","1") = "8"
    & skf18("9","1","2","1","5","8","1") = "8"
    & skf18("9","1","2","1","5","9","1") = "8"
    & skf18("9","1","2","1","5","10","1") = "9"
    & skf18("9","1","2","1","6","1","1") = "8"
    & skf18("9","1","2","1","6","2","1") = "8"
    & skf18("9","1","2","1","6","3","1") = "8"
    & skf18("9","1","2","1","6","4","1") = "8"
    & skf18("9","1","2","1","6","5","1") = "8"
    & skf18("9","1","2","1","6","6","1") = "8"
    & skf18("9","1","2","1","6","7","1") = "8"
    & skf18("9","1","2","1","6","8","1") = "8"
    & skf18("9","1","2","1","6","9","1") = "8"
    & skf18("9","1","2","1","6","10","1") = "9"
    & skf18("9","1","2","1","7","1","1") = "8"
    & skf18("9","1","2","1","7","2","1") = "8"
    & skf18("9","1","2","1","7","3","1") = "8"
    & skf18("9","1","2","1","7","4","1") = "8"
    & skf18("9","1","2","1","7","5","1") = "8"
    & skf18("9","1","2","1","7","6","1") = "8"
    & skf18("9","1","2","1","7","7","1") = "8"
    & skf18("9","1","2","1","7","8","1") = "8"
    & skf18("9","1","2","1","7","9","1") = "8"
    & skf18("9","1","2","1","7","10","1") = "9"
    & skf18("9","1","2","1","8","1","1") = "8"
    & skf18("9","1","2","1","8","2","1") = "8"
    & skf18("9","1","2","1","8","3","1") = "8"
    & skf18("9","1","2","1","8","4","1") = "8"
    & skf18("9","1","2","1","8","5","1") = "8"
    & skf18("9","1","2","1","8","6","1") = "8"
    & skf18("9","1","2","1","8","7","1") = "8"
    & skf18("9","1","2","1","8","8","1") = "8"
    & skf18("9","1","2","1","8","9","1") = "8"
    & skf18("9","1","2","1","8","10","1") = "9"
    & skf18("9","1","2","1","9","1","1") = "8"
    & skf18("9","1","2","1","9","2","1") = "8"
    & skf18("9","1","2","1","9","3","1") = "8"
    & skf18("9","1","2","1","9","4","1") = "8"
    & skf18("9","1","2","1","9","5","1") = "8"
    & skf18("9","1","2","1","9","6","1") = "8"
    & skf18("9","1","2","1","9","7","1") = "8"
    & skf18("9","1","2","1","9","8","1") = "8"
    & skf18("9","1","2","1","9","9","1") = "8"
    & skf18("9","1","2","1","9","10","1") = "9"
    & skf18("9","1","2","1","10","1","1") = "9"
    & skf18("9","1","2","1","10","2","1") = "9"
    & skf18("9","1","2","1","10","3","1") = "9"
    & skf18("9","1","2","1","10","4","1") = "9"
    & skf18("9","1","2","1","10","5","1") = "9"
    & skf18("9","1","2","1","10","6","1") = "9"
    & skf18("9","1","2","1","10","7","1") = "9"
    & skf18("9","1","2","1","10","8","1") = "9"
    & skf18("9","1","2","1","10","9","1") = "9"
    & skf18("9","1","2","1","10","10","1") = "9"
    & skf18("9","1","2","2","1","1","1") = "8"
    & skf18("9","1","2","2","1","2","1") = "8"
    & skf18("9","1","2","2","1","3","1") = "8"
    & skf18("9","1","2","2","1","4","1") = "8"
    & skf18("9","1","2","2","1","5","1") = "8"
    & skf18("9","1","2","2","1","6","1") = "8"
    & skf18("9","1","2","2","1","7","1") = "8"
    & skf18("9","1","2","2","1","8","1") = "8"
    & skf18("9","1","2","2","1","9","1") = "8"
    & skf18("9","1","2","2","1","10","1") = "9"
    & skf18("9","1","2","2","2","1","1") = "8"
    & skf18("9","1","2","2","2","2","1") = "8"
    & skf18("9","1","2","2","2","3","1") = "8"
    & skf18("9","1","2","2","2","4","1") = "8"
    & skf18("9","1","2","2","2","5","1") = "8"
    & skf18("9","1","2","2","2","6","1") = "8"
    & skf18("9","1","2","2","2","7","1") = "8"
    & skf18("9","1","2","2","2","8","1") = "8"
    & skf18("9","1","2","2","2","9","1") = "8"
    & skf18("9","1","2","2","2","10","1") = "9"
    & skf18("9","1","2","2","3","1","1") = "8"
    & skf18("9","1","2","2","3","2","1") = "8"
    & skf18("9","1","2","2","3","3","1") = "8"
    & skf18("9","1","2","2","3","4","1") = "8"
    & skf18("9","1","2","2","3","5","1") = "8"
    & skf18("9","1","2","2","3","6","1") = "8"
    & skf18("9","1","2","2","3","7","1") = "8"
    & skf18("9","1","2","2","3","8","1") = "8"
    & skf18("9","1","2","2","3","9","1") = "8"
    & skf18("9","1","2","2","3","10","1") = "9"
    & skf18("9","1","2","2","4","1","1") = "8"
    & skf18("9","1","2","2","4","2","1") = "8"
    & skf18("9","1","2","2","4","3","1") = "8"
    & skf18("9","1","2","2","4","4","1") = "8"
    & skf18("9","1","2","2","4","5","1") = "8"
    & skf18("9","1","2","2","4","6","1") = "8"
    & skf18("9","1","2","2","4","7","1") = "8"
    & skf18("9","1","2","2","4","8","1") = "8"
    & skf18("9","1","2","2","4","9","1") = "8"
    & skf18("9","1","2","2","4","10","1") = "9"
    & skf18("9","1","2","2","5","1","1") = "8"
    & skf18("9","1","2","2","5","2","1") = "8"
    & skf18("9","1","2","2","5","3","1") = "8"
    & skf18("9","1","2","2","5","4","1") = "8"
    & skf18("9","1","2","2","5","5","1") = "8"
    & skf18("9","1","2","2","5","6","1") = "8"
    & skf18("9","1","2","2","5","7","1") = "8"
    & skf18("9","1","2","2","5","8","1") = "8"
    & skf18("9","1","2","2","5","9","1") = "8"
    & skf18("9","1","2","2","5","10","1") = "9"
    & skf18("9","1","2","2","6","1","1") = "8"
    & skf18("9","1","2","2","6","2","1") = "8"
    & skf18("9","1","2","2","6","3","1") = "8"
    & skf18("9","1","2","2","6","4","1") = "8"
    & skf18("9","1","2","2","6","5","1") = "8"
    & skf18("9","1","2","2","6","6","1") = "8"
    & skf18("9","1","2","2","6","7","1") = "8"
    & skf18("9","1","2","2","6","8","1") = "8"
    & skf18("9","1","2","2","6","9","1") = "8"
    & skf18("9","1","2","2","6","10","1") = "9"
    & skf18("9","1","2","2","7","1","1") = "8"
    & skf18("9","1","2","2","7","2","1") = "8"
    & skf18("9","1","2","2","7","3","1") = "8"
    & skf18("9","1","2","2","7","4","1") = "8"
    & skf18("9","1","2","2","7","5","1") = "8"
    & skf18("9","1","2","2","7","6","1") = "8"
    & skf18("9","1","2","2","7","7","1") = "8"
    & skf18("9","1","2","2","7","8","1") = "8"
    & skf18("9","1","2","2","7","9","1") = "8"
    & skf18("9","1","2","2","7","10","1") = "9"
    & skf18("9","1","2","2","8","1","1") = "8"
    & skf18("9","1","2","2","8","2","1") = "8"
    & skf18("9","1","2","2","8","3","1") = "8"
    & skf18("9","1","2","2","8","4","1") = "8"
    & skf18("9","1","2","2","8","5","1") = "8"
    & skf18("9","1","2","2","8","6","1") = "8"
    & skf18("9","1","2","2","8","7","1") = "8"
    & skf18("9","1","2","2","8","8","1") = "8"
    & skf18("9","1","2","2","8","9","1") = "8"
    & skf18("9","1","2","2","8","10","1") = "9"
    & skf18("9","1","2","2","9","1","1") = "8"
    & skf18("9","1","2","2","9","2","1") = "8"
    & skf18("9","1","2","2","9","3","1") = "8"
    & skf18("9","1","2","2","9","4","1") = "8"
    & skf18("9","1","2","2","9","5","1") = "8"
    & skf18("9","1","2","2","9","6","1") = "8"
    & skf18("9","1","2","2","9","7","1") = "8"
    & skf18("9","1","2","2","9","8","1") = "8"
    & skf18("9","1","2","2","9","9","1") = "8"
    & skf18("9","1","2","2","9","10","1") = "9"
    & skf18("9","1","2","2","10","1","1") = "9"
    & skf18("9","1","2","2","10","2","1") = "9"
    & skf18("9","1","2","2","10","3","1") = "9"
    & skf18("9","1","2","2","10","4","1") = "9"
    & skf18("9","1","2","2","10","5","1") = "9"
    & skf18("9","1","2","2","10","6","1") = "9"
    & skf18("9","1","2","2","10","7","1") = "9"
    & skf18("9","1","2","2","10","8","1") = "9"
    & skf18("9","1","2","2","10","9","1") = "9"
    & skf18("9","1","2","2","10","10","1") = "9"
    & skf18("9","1","2","3","1","1","1") = "8"
    & skf18("9","1","2","3","1","2","1") = "8"
    & skf18("9","1","2","3","1","3","1") = "8"
    & skf18("9","1","2","3","1","4","1") = "8"
    & skf18("9","1","2","3","1","5","1") = "8"
    & skf18("9","1","2","3","1","6","1") = "8"
    & skf18("9","1","2","3","1","7","1") = "8"
    & skf18("9","1","2","3","1","8","1") = "8"
    & skf18("9","1","2","3","1","9","1") = "8"
    & skf18("9","1","2","3","1","10","1") = "9"
    & skf18("9","1","2","3","2","1","1") = "8"
    & skf18("9","1","2","3","2","2","1") = "8"
    & skf18("9","1","2","3","2","3","1") = "8"
    & skf18("9","1","2","3","2","4","1") = "8"
    & skf18("9","1","2","3","2","5","1") = "8"
    & skf18("9","1","2","3","2","6","1") = "8"
    & skf18("9","1","2","3","2","7","1") = "8"
    & skf18("9","1","2","3","2","8","1") = "8"
    & skf18("9","1","2","3","2","9","1") = "8"
    & skf18("9","1","2","3","2","10","1") = "9"
    & skf18("9","1","2","3","3","1","1") = "8"
    & skf18("9","1","2","3","3","2","1") = "8"
    & skf18("9","1","2","3","3","3","1") = "8"
    & skf18("9","1","2","3","3","4","1") = "8"
    & skf18("9","1","2","3","3","5","1") = "8"
    & skf18("9","1","2","3","3","6","1") = "8"
    & skf18("9","1","2","3","3","7","1") = "8"
    & skf18("9","1","2","3","3","8","1") = "8"
    & skf18("9","1","2","3","3","9","1") = "8"
    & skf18("9","1","2","3","3","10","1") = "9"
    & skf18("9","1","2","3","4","1","1") = "8"
    & skf18("9","1","2","3","4","2","1") = "8"
    & skf18("9","1","2","3","4","3","1") = "8"
    & skf18("9","1","2","3","4","4","1") = "8"
    & skf18("9","1","2","3","4","5","1") = "8"
    & skf18("9","1","2","3","4","6","1") = "8"
    & skf18("9","1","2","3","4","7","1") = "8"
    & skf18("9","1","2","3","4","8","1") = "8"
    & skf18("9","1","2","3","4","9","1") = "8"
    & skf18("9","1","2","3","4","10","1") = "9"
    & skf18("9","1","2","3","5","1","1") = "8"
    & skf18("9","1","2","3","5","2","1") = "8"
    & skf18("9","1","2","3","5","3","1") = "8"
    & skf18("9","1","2","3","5","4","1") = "8"
    & skf18("9","1","2","3","5","5","1") = "8"
    & skf18("9","1","2","3","5","6","1") = "8"
    & skf18("9","1","2","3","5","7","1") = "8"
    & skf18("9","1","2","3","5","8","1") = "8"
    & skf18("9","1","2","3","5","9","1") = "8"
    & skf18("9","1","2","3","5","10","1") = "9"
    & skf18("9","1","2","3","6","1","1") = "8"
    & skf18("9","1","2","3","6","2","1") = "8"
    & skf18("9","1","2","3","6","3","1") = "8"
    & skf18("9","1","2","3","6","4","1") = "8"
    & skf18("9","1","2","3","6","5","1") = "8"
    & skf18("9","1","2","3","6","6","1") = "8"
    & skf18("9","1","2","3","6","7","1") = "8"
    & skf18("9","1","2","3","6","8","1") = "8"
    & skf18("9","1","2","3","6","9","1") = "8"
    & skf18("9","1","2","3","6","10","1") = "9"
    & skf18("9","1","2","3","7","1","1") = "8"
    & skf18("9","1","2","3","7","2","1") = "8"
    & skf18("9","1","2","3","7","3","1") = "8"
    & skf18("9","1","2","3","7","4","1") = "8"
    & skf18("9","1","2","3","7","5","1") = "8"
    & skf18("9","1","2","3","7","6","1") = "8"
    & skf18("9","1","2","3","7","7","1") = "8"
    & skf18("9","1","2","3","7","8","1") = "8"
    & skf18("9","1","2","3","7","9","1") = "8"
    & skf18("9","1","2","3","7","10","1") = "9"
    & skf18("9","1","2","3","8","1","1") = "8"
    & skf18("9","1","2","3","8","2","1") = "8"
    & skf18("9","1","2","3","8","3","1") = "8"
    & skf18("9","1","2","3","8","4","1") = "8"
    & skf18("9","1","2","3","8","5","1") = "8"
    & skf18("9","1","2","3","8","6","1") = "8"
    & skf18("9","1","2","3","8","7","1") = "8"
    & skf18("9","1","2","3","8","8","1") = "8"
    & skf18("9","1","2","3","8","9","1") = "8"
    & skf18("9","1","2","3","8","10","1") = "9"
    & skf18("9","1","2","3","9","1","1") = "8"
    & skf18("9","1","2","3","9","2","1") = "8"
    & skf18("9","1","2","3","9","3","1") = "8"
    & skf18("9","1","2","3","9","4","1") = "8"
    & skf18("9","1","2","3","9","5","1") = "8"
    & skf18("9","1","2","3","9","6","1") = "8"
    & skf18("9","1","2","3","9","7","1") = "8"
    & skf18("9","1","2","3","9","8","1") = "8"
    & skf18("9","1","2","3","9","9","1") = "8"
    & skf18("9","1","2","3","9","10","1") = "9"
    & skf18("9","1","2","3","10","1","1") = "9"
    & skf18("9","1","2","3","10","2","1") = "9"
    & skf18("9","1","2","3","10","3","1") = "9"
    & skf18("9","1","2","3","10","4","1") = "9"
    & skf18("9","1","2","3","10","5","1") = "9"
    & skf18("9","1","2","3","10","6","1") = "9"
    & skf18("9","1","2","3","10","7","1") = "9"
    & skf18("9","1","2","3","10","8","1") = "9"
    & skf18("9","1","2","3","10","9","1") = "9"
    & skf18("9","1","2","3","10","10","1") = "9"
    & skf18("9","1","2","4","1","1","1") = "8"
    & skf18("9","1","2","4","1","2","1") = "8"
    & skf18("9","1","2","4","1","3","1") = "8"
    & skf18("9","1","2","4","1","4","1") = "8"
    & skf18("9","1","2","4","1","5","1") = "8"
    & skf18("9","1","2","4","1","6","1") = "8"
    & skf18("9","1","2","4","1","7","1") = "8"
    & skf18("9","1","2","4","1","8","1") = "8"
    & skf18("9","1","2","4","1","9","1") = "8"
    & skf18("9","1","2","4","1","10","1") = "9"
    & skf18("9","1","2","4","2","1","1") = "8"
    & skf18("9","1","2","4","2","2","1") = "8"
    & skf18("9","1","2","4","2","3","1") = "8"
    & skf18("9","1","2","4","2","4","1") = "8"
    & skf18("9","1","2","4","2","5","1") = "8"
    & skf18("9","1","2","4","2","6","1") = "8"
    & skf18("9","1","2","4","2","7","1") = "8"
    & skf18("9","1","2","4","2","8","1") = "8"
    & skf18("9","1","2","4","2","9","1") = "8"
    & skf18("9","1","2","4","2","10","1") = "9"
    & skf18("9","1","2","4","3","1","1") = "8"
    & skf18("9","1","2","4","3","2","1") = "8"
    & skf18("9","1","2","4","3","3","1") = "8"
    & skf18("9","1","2","4","3","4","1") = "8"
    & skf18("9","1","2","4","3","5","1") = "8"
    & skf18("9","1","2","4","3","6","1") = "8"
    & skf18("9","1","2","4","3","7","1") = "8"
    & skf18("9","1","2","4","3","8","1") = "8"
    & skf18("9","1","2","4","3","9","1") = "8"
    & skf18("9","1","2","4","3","10","1") = "9"
    & skf18("9","1","2","4","4","1","1") = "8"
    & skf18("9","1","2","4","4","2","1") = "8"
    & skf18("9","1","2","4","4","3","1") = "8"
    & skf18("9","1","2","4","4","4","1") = "8"
    & skf18("9","1","2","4","4","5","1") = "8"
    & skf18("9","1","2","4","4","6","1") = "8"
    & skf18("9","1","2","4","4","7","1") = "8"
    & skf18("9","1","2","4","4","8","1") = "8"
    & skf18("9","1","2","4","4","9","1") = "8"
    & skf18("9","1","2","4","4","10","1") = "9"
    & skf18("9","1","2","4","5","1","1") = "8"
    & skf18("9","1","2","4","5","2","1") = "8"
    & skf18("9","1","2","4","5","3","1") = "8"
    & skf18("9","1","2","4","5","4","1") = "8"
    & skf18("9","1","2","4","5","5","1") = "8"
    & skf18("9","1","2","4","5","6","1") = "8"
    & skf18("9","1","2","4","5","7","1") = "8"
    & skf18("9","1","2","4","5","8","1") = "8"
    & skf18("9","1","2","4","5","9","1") = "8"
    & skf18("9","1","2","4","5","10","1") = "9"
    & skf18("9","1","2","4","6","1","1") = "8"
    & skf18("9","1","2","4","6","2","1") = "8"
    & skf18("9","1","2","4","6","3","1") = "8"
    & skf18("9","1","2","4","6","4","1") = "8"
    & skf18("9","1","2","4","6","5","1") = "8"
    & skf18("9","1","2","4","6","6","1") = "8"
    & skf18("9","1","2","4","6","7","1") = "8"
    & skf18("9","1","2","4","6","8","1") = "8"
    & skf18("9","1","2","4","6","9","1") = "8"
    & skf18("9","1","2","4","6","10","1") = "9"
    & skf18("9","1","2","4","7","1","1") = "8"
    & skf18("9","1","2","4","7","2","1") = "8"
    & skf18("9","1","2","4","7","3","1") = "8"
    & skf18("9","1","2","4","7","4","1") = "8"
    & skf18("9","1","2","4","7","5","1") = "8"
    & skf18("9","1","2","4","7","6","1") = "8"
    & skf18("9","1","2","4","7","7","1") = "8"
    & skf18("9","1","2","4","7","8","1") = "8"
    & skf18("9","1","2","4","7","9","1") = "8"
    & skf18("9","1","2","4","7","10","1") = "9"
    & skf18("9","1","2","4","8","1","1") = "8"
    & skf18("9","1","2","4","8","2","1") = "8"
    & skf18("9","1","2","4","8","3","1") = "8"
    & skf18("9","1","2","4","8","4","1") = "8"
    & skf18("9","1","2","4","8","5","1") = "8"
    & skf18("9","1","2","4","8","6","1") = "8"
    & skf18("9","1","2","4","8","7","1") = "8"
    & skf18("9","1","2","4","8","8","1") = "8"
    & skf18("9","1","2","4","8","9","1") = "8"
    & skf18("9","1","2","4","8","10","1") = "9"
    & skf18("9","1","2","4","9","1","1") = "8"
    & skf18("9","1","2","4","9","2","1") = "8"
    & skf18("9","1","2","4","9","3","1") = "8"
    & skf18("9","1","2","4","9","4","1") = "8"
    & skf18("9","1","2","4","9","5","1") = "8"
    & skf18("9","1","2","4","9","6","1") = "8"
    & skf18("9","1","2","4","9","7","1") = "8"
    & skf18("9","1","2","4","9","8","1") = "8"
    & skf18("9","1","2","4","9","9","1") = "8"
    & skf18("9","1","2","4","9","10","1") = "9"
    & skf18("9","1","2","4","10","1","1") = "9"
    & skf18("9","1","2","4","10","2","1") = "9"
    & skf18("9","1","2","4","10","3","1") = "9"
    & skf18("9","1","2","4","10","4","1") = "9"
    & skf18("9","1","2","4","10","5","1") = "9"
    & skf18("9","1","2","4","10","6","1") = "9"
    & skf18("9","1","2","4","10","7","1") = "9"
    & skf18("9","1","2","4","10","8","1") = "9"
    & skf18("9","1","2","4","10","9","1") = "9"
    & skf18("9","1","2","4","10","10","1") = "9"
    & skf18("9","1","2","5","1","1","1") = "8"
    & skf18("9","1","2","5","1","2","1") = "8"
    & skf18("9","1","2","5","1","3","1") = "8"
    & skf18("9","1","2","5","1","4","1") = "8"
    & skf18("9","1","2","5","1","5","1") = "8"
    & skf18("9","1","2","5","1","6","1") = "8"
    & skf18("9","1","2","5","1","7","1") = "8"
    & skf18("9","1","2","5","1","8","1") = "8"
    & skf18("9","1","2","5","1","9","1") = "8"
    & skf18("9","1","2","5","1","10","1") = "9"
    & skf18("9","1","2","5","2","1","1") = "8"
    & skf18("9","1","2","5","2","2","1") = "8"
    & skf18("9","1","2","5","2","3","1") = "8"
    & skf18("9","1","2","5","2","4","1") = "8"
    & skf18("9","1","2","5","2","5","1") = "8"
    & skf18("9","1","2","5","2","6","1") = "8"
    & skf18("9","1","2","5","2","7","1") = "8"
    & skf18("9","1","2","5","2","8","1") = "8"
    & skf18("9","1","2","5","2","9","1") = "8"
    & skf18("9","1","2","5","2","10","1") = "9"
    & skf18("9","1","2","5","3","1","1") = "8"
    & skf18("9","1","2","5","3","2","1") = "8"
    & skf18("9","1","2","5","3","3","1") = "8"
    & skf18("9","1","2","5","3","4","1") = "8"
    & skf18("9","1","2","5","3","5","1") = "8"
    & skf18("9","1","2","5","3","6","1") = "8"
    & skf18("9","1","2","5","3","7","1") = "8"
    & skf18("9","1","2","5","3","8","1") = "8"
    & skf18("9","1","2","5","3","9","1") = "8"
    & skf18("9","1","2","5","3","10","1") = "9"
    & skf18("9","1","2","5","4","1","1") = "8"
    & skf18("9","1","2","5","4","2","1") = "8"
    & skf18("9","1","2","5","4","3","1") = "8"
    & skf18("9","1","2","5","4","4","1") = "8"
    & skf18("9","1","2","5","4","5","1") = "8"
    & skf18("9","1","2","5","4","6","1") = "8"
    & skf18("9","1","2","5","4","7","1") = "8"
    & skf18("9","1","2","5","4","8","1") = "8"
    & skf18("9","1","2","5","4","9","1") = "8"
    & skf18("9","1","2","5","4","10","1") = "9"
    & skf18("9","1","2","5","5","1","1") = "8"
    & skf18("9","1","2","5","5","2","1") = "8"
    & skf18("9","1","2","5","5","3","1") = "8"
    & skf18("9","1","2","5","5","4","1") = "8"
    & skf18("9","1","2","5","5","5","1") = "8"
    & skf18("9","1","2","5","5","6","1") = "8"
    & skf18("9","1","2","5","5","7","1") = "8"
    & skf18("9","1","2","5","5","8","1") = "8"
    & skf18("9","1","2","5","5","9","1") = "8"
    & skf18("9","1","2","5","5","10","1") = "9"
    & skf18("9","1","2","5","6","1","1") = "8"
    & skf18("9","1","2","5","6","2","1") = "8"
    & skf18("9","1","2","5","6","3","1") = "8"
    & skf18("9","1","2","5","6","4","1") = "8"
    & skf18("9","1","2","5","6","5","1") = "8"
    & skf18("9","1","2","5","6","6","1") = "8"
    & skf18("9","1","2","5","6","7","1") = "8"
    & skf18("9","1","2","5","6","8","1") = "8"
    & skf18("9","1","2","5","6","9","1") = "8"
    & skf18("9","1","2","5","6","10","1") = "9"
    & skf18("9","1","2","5","7","1","1") = "8"
    & skf18("9","1","2","5","7","2","1") = "8"
    & skf18("9","1","2","5","7","3","1") = "8"
    & skf18("9","1","2","5","7","4","1") = "8"
    & skf18("9","1","2","5","7","5","1") = "8"
    & skf18("9","1","2","5","7","6","1") = "8"
    & skf18("9","1","2","5","7","7","1") = "8"
    & skf18("9","1","2","5","7","8","1") = "8"
    & skf18("9","1","2","5","7","9","1") = "8"
    & skf18("9","1","2","5","7","10","1") = "9"
    & skf18("9","1","2","5","8","1","1") = "8"
    & skf18("9","1","2","5","8","2","1") = "8"
    & skf18("9","1","2","5","8","3","1") = "8"
    & skf18("9","1","2","5","8","4","1") = "8"
    & skf18("9","1","2","5","8","5","1") = "8"
    & skf18("9","1","2","5","8","6","1") = "8"
    & skf18("9","1","2","5","8","7","1") = "8"
    & skf18("9","1","2","5","8","8","1") = "8"
    & skf18("9","1","2","5","8","9","1") = "8"
    & skf18("9","1","2","5","8","10","1") = "9"
    & skf18("9","1","2","5","9","1","1") = "8"
    & skf18("9","1","2","5","9","2","1") = "8"
    & skf18("9","1","2","5","9","3","1") = "8"
    & skf18("9","1","2","5","9","4","1") = "8"
    & skf18("9","1","2","5","9","5","1") = "8"
    & skf18("9","1","2","5","9","6","1") = "8"
    & skf18("9","1","2","5","9","7","1") = "8"
    & skf18("9","1","2","5","9","8","1") = "8"
    & skf18("9","1","2","5","9","9","1") = "8"
    & skf18("9","1","2","5","9","10","1") = "9"
    & skf18("9","1","2","5","10","1","1") = "9"
    & skf18("9","1","2","5","10","2","1") = "9"
    & skf18("9","1","2","5","10","3","1") = "9"
    & skf18("9","1","2","5","10","4","1") = "9"
    & skf18("9","1","2","5","10","5","1") = "9"
    & skf18("9","1","2","5","10","6","1") = "9"
    & skf18("9","1","2","5","10","7","1") = "9"
    & skf18("9","1","2","5","10","8","1") = "9"
    & skf18("9","1","2","5","10","9","1") = "9"
    & skf18("9","1","2","5","10","10","1") = "9"
    & skf18("9","1","2","6","1","1","1") = "8"
    & skf18("9","1","2","6","1","2","1") = "8"
    & skf18("9","1","2","6","1","3","1") = "8"
    & skf18("9","1","2","6","1","4","1") = "8"
    & skf18("9","1","2","6","1","5","1") = "8"
    & skf18("9","1","2","6","1","6","1") = "8"
    & skf18("9","1","2","6","1","7","1") = "8"
    & skf18("9","1","2","6","1","8","1") = "8"
    & skf18("9","1","2","6","1","9","1") = "8"
    & skf18("9","1","2","6","1","10","1") = "9"
    & skf18("9","1","2","6","2","1","1") = "8"
    & skf18("9","1","2","6","2","2","1") = "8"
    & skf18("9","1","2","6","2","3","1") = "8"
    & skf18("9","1","2","6","2","4","1") = "8"
    & skf18("9","1","2","6","2","5","1") = "8"
    & skf18("9","1","2","6","2","6","1") = "8"
    & skf18("9","1","2","6","2","7","1") = "8"
    & skf18("9","1","2","6","2","8","1") = "8"
    & skf18("9","1","2","6","2","9","1") = "8"
    & skf18("9","1","2","6","2","10","1") = "9"
    & skf18("9","1","2","6","3","1","1") = "8"
    & skf18("9","1","2","6","3","2","1") = "8"
    & skf18("9","1","2","6","3","3","1") = "8"
    & skf18("9","1","2","6","3","4","1") = "8"
    & skf18("9","1","2","6","3","5","1") = "8"
    & skf18("9","1","2","6","3","6","1") = "8"
    & skf18("9","1","2","6","3","7","1") = "8"
    & skf18("9","1","2","6","3","8","1") = "8"
    & skf18("9","1","2","6","3","9","1") = "8"
    & skf18("9","1","2","6","3","10","1") = "9"
    & skf18("9","1","2","6","4","1","1") = "8"
    & skf18("9","1","2","6","4","2","1") = "8"
    & skf18("9","1","2","6","4","3","1") = "8"
    & skf18("9","1","2","6","4","4","1") = "8"
    & skf18("9","1","2","6","4","5","1") = "8"
    & skf18("9","1","2","6","4","6","1") = "8"
    & skf18("9","1","2","6","4","7","1") = "8"
    & skf18("9","1","2","6","4","8","1") = "8"
    & skf18("9","1","2","6","4","9","1") = "8"
    & skf18("9","1","2","6","4","10","1") = "9"
    & skf18("9","1","2","6","5","1","1") = "8"
    & skf18("9","1","2","6","5","2","1") = "8"
    & skf18("9","1","2","6","5","3","1") = "8"
    & skf18("9","1","2","6","5","4","1") = "8"
    & skf18("9","1","2","6","5","5","1") = "8"
    & skf18("9","1","2","6","5","6","1") = "8"
    & skf18("9","1","2","6","5","7","1") = "8"
    & skf18("9","1","2","6","5","8","1") = "8"
    & skf18("9","1","2","6","5","9","1") = "8"
    & skf18("9","1","2","6","5","10","1") = "9"
    & skf18("9","1","2","6","6","1","1") = "8"
    & skf18("9","1","2","6","6","2","1") = "8"
    & skf18("9","1","2","6","6","3","1") = "8"
    & skf18("9","1","2","6","6","4","1") = "8"
    & skf18("9","1","2","6","6","5","1") = "8"
    & skf18("9","1","2","6","6","6","1") = "8"
    & skf18("9","1","2","6","6","7","1") = "8"
    & skf18("9","1","2","6","6","8","1") = "8"
    & skf18("9","1","2","6","6","9","1") = "8"
    & skf18("9","1","2","6","6","10","1") = "9"
    & skf18("9","1","2","6","7","1","1") = "8"
    & skf18("9","1","2","6","7","2","1") = "8"
    & skf18("9","1","2","6","7","3","1") = "8"
    & skf18("9","1","2","6","7","4","1") = "8"
    & skf18("9","1","2","6","7","5","1") = "8"
    & skf18("9","1","2","6","7","6","1") = "8"
    & skf18("9","1","2","6","7","7","1") = "8"
    & skf18("9","1","2","6","7","8","1") = "8"
    & skf18("9","1","2","6","7","9","1") = "8"
    & skf18("9","1","2","6","7","10","1") = "9"
    & skf18("9","1","2","6","8","1","1") = "8"
    & skf18("9","1","2","6","8","2","1") = "8"
    & skf18("9","1","2","6","8","3","1") = "8"
    & skf18("9","1","2","6","8","4","1") = "8"
    & skf18("9","1","2","6","8","5","1") = "8"
    & skf18("9","1","2","6","8","6","1") = "8"
    & skf18("9","1","2","6","8","7","1") = "8"
    & skf18("9","1","2","6","8","8","1") = "8"
    & skf18("9","1","2","6","8","9","1") = "8"
    & skf18("9","1","2","6","8","10","1") = "9"
    & skf18("9","1","2","6","9","1","1") = "8"
    & skf18("9","1","2","6","9","2","1") = "8"
    & skf18("9","1","2","6","9","3","1") = "8"
    & skf18("9","1","2","6","9","4","1") = "8"
    & skf18("9","1","2","6","9","5","1") = "8"
    & skf18("9","1","2","6","9","6","1") = "8"
    & skf18("9","1","2","6","9","7","1") = "8"
    & skf18("9","1","2","6","9","8","1") = "8"
    & skf18("9","1","2","6","9","9","1") = "8"
    & skf18("9","1","2","6","9","10","1") = "9"
    & skf18("9","1","2","6","10","1","1") = "9"
    & skf18("9","1","2","6","10","2","1") = "9"
    & skf18("9","1","2","6","10","3","1") = "9"
    & skf18("9","1","2","6","10","4","1") = "9"
    & skf18("9","1","2","6","10","5","1") = "9"
    & skf18("9","1","2","6","10","6","1") = "9"
    & skf18("9","1","2","6","10","7","1") = "9"
    & skf18("9","1","2","6","10","8","1") = "9"
    & skf18("9","1","2","6","10","9","1") = "9"
    & skf18("9","1","2","6","10","10","1") = "9"
    & skf18("9","1","2","7","1","1","1") = "8"
    & skf18("9","1","2","7","1","2","1") = "8"
    & skf18("9","1","2","7","1","3","1") = "8"
    & skf18("9","1","2","7","1","4","1") = "8"
    & skf18("9","1","2","7","1","5","1") = "8"
    & skf18("9","1","2","7","1","6","1") = "8"
    & skf18("9","1","2","7","1","7","1") = "8"
    & skf18("9","1","2","7","1","8","1") = "8"
    & skf18("9","1","2","7","1","9","1") = "8"
    & skf18("9","1","2","7","1","10","1") = "9"
    & skf18("9","1","2","7","2","1","1") = "8"
    & skf18("9","1","2","7","2","2","1") = "8"
    & skf18("9","1","2","7","2","3","1") = "8"
    & skf18("9","1","2","7","2","4","1") = "8"
    & skf18("9","1","2","7","2","5","1") = "8"
    & skf18("9","1","2","7","2","6","1") = "8"
    & skf18("9","1","2","7","2","7","1") = "8"
    & skf18("9","1","2","7","2","8","1") = "8"
    & skf18("9","1","2","7","2","9","1") = "8"
    & skf18("9","1","2","7","2","10","1") = "9"
    & skf18("9","1","2","7","3","1","1") = "8"
    & skf18("9","1","2","7","3","2","1") = "8"
    & skf18("9","1","2","7","3","3","1") = "8"
    & skf18("9","1","2","7","3","4","1") = "8"
    & skf18("9","1","2","7","3","5","1") = "8"
    & skf18("9","1","2","7","3","6","1") = "8"
    & skf18("9","1","2","7","3","7","1") = "8"
    & skf18("9","1","2","7","3","8","1") = "8"
    & skf18("9","1","2","7","3","9","1") = "8"
    & skf18("9","1","2","7","3","10","1") = "9"
    & skf18("9","1","2","7","4","1","1") = "8"
    & skf18("9","1","2","7","4","2","1") = "8"
    & skf18("9","1","2","7","4","3","1") = "8"
    & skf18("9","1","2","7","4","4","1") = "8"
    & skf18("9","1","2","7","4","5","1") = "8"
    & skf18("9","1","2","7","4","6","1") = "8"
    & skf18("9","1","2","7","4","7","1") = "8"
    & skf18("9","1","2","7","4","8","1") = "8"
    & skf18("9","1","2","7","4","9","1") = "8"
    & skf18("9","1","2","7","4","10","1") = "9"
    & skf18("9","1","2","7","5","1","1") = "8"
    & skf18("9","1","2","7","5","2","1") = "8"
    & skf18("9","1","2","7","5","3","1") = "8"
    & skf18("9","1","2","7","5","4","1") = "8"
    & skf18("9","1","2","7","5","5","1") = "8"
    & skf18("9","1","2","7","5","6","1") = "8"
    & skf18("9","1","2","7","5","7","1") = "8"
    & skf18("9","1","2","7","5","8","1") = "8"
    & skf18("9","1","2","7","5","9","1") = "8"
    & skf18("9","1","2","7","5","10","1") = "9"
    & skf18("9","1","2","7","6","1","1") = "8"
    & skf18("9","1","2","7","6","2","1") = "8"
    & skf18("9","1","2","7","6","3","1") = "8"
    & skf18("9","1","2","7","6","4","1") = "8"
    & skf18("9","1","2","7","6","5","1") = "8"
    & skf18("9","1","2","7","6","6","1") = "8"
    & skf18("9","1","2","7","6","7","1") = "8"
    & skf18("9","1","2","7","6","8","1") = "8"
    & skf18("9","1","2","7","6","9","1") = "8"
    & skf18("9","1","2","7","6","10","1") = "9"
    & skf18("9","1","2","7","7","1","1") = "8"
    & skf18("9","1","2","7","7","2","1") = "8"
    & skf18("9","1","2","7","7","3","1") = "8"
    & skf18("9","1","2","7","7","4","1") = "8"
    & skf18("9","1","2","7","7","5","1") = "8"
    & skf18("9","1","2","7","7","6","1") = "8"
    & skf18("9","1","2","7","7","7","1") = "8"
    & skf18("9","1","2","7","7","8","1") = "8"
    & skf18("9","1","2","7","7","9","1") = "8"
    & skf18("9","1","2","7","7","10","1") = "9"
    & skf18("9","1","2","7","8","1","1") = "8"
    & skf18("9","1","2","7","8","2","1") = "8"
    & skf18("9","1","2","7","8","3","1") = "8"
    & skf18("9","1","2","7","8","4","1") = "8"
    & skf18("9","1","2","7","8","5","1") = "8"
    & skf18("9","1","2","7","8","6","1") = "8"
    & skf18("9","1","2","7","8","7","1") = "8"
    & skf18("9","1","2","7","8","8","1") = "8"
    & skf18("9","1","2","7","8","9","1") = "8"
    & skf18("9","1","2","7","8","10","1") = "9"
    & skf18("9","1","2","7","9","1","1") = "8"
    & skf18("9","1","2","7","9","2","1") = "8"
    & skf18("9","1","2","7","9","3","1") = "8"
    & skf18("9","1","2","7","9","4","1") = "8"
    & skf18("9","1","2","7","9","5","1") = "8"
    & skf18("9","1","2","7","9","6","1") = "8"
    & skf18("9","1","2","7","9","7","1") = "8"
    & skf18("9","1","2","7","9","8","1") = "8"
    & skf18("9","1","2","7","9","9","1") = "8"
    & skf18("9","1","2","7","9","10","1") = "9"
    & skf18("9","1","2","7","10","1","1") = "9"
    & skf18("9","1","2","7","10","2","1") = "9"
    & skf18("9","1","2","7","10","3","1") = "9"
    & skf18("9","1","2","7","10","4","1") = "9"
    & skf18("9","1","2","7","10","5","1") = "9"
    & skf18("9","1","2","7","10","6","1") = "9"
    & skf18("9","1","2","7","10","7","1") = "9"
    & skf18("9","1","2","7","10","8","1") = "9"
    & skf18("9","1","2","7","10","9","1") = "9"
    & skf18("9","1","2","7","10","10","1") = "9"
    & skf18("9","1","2","8","1","1","1") = "8"
    & skf18("9","1","2","8","1","2","1") = "8"
    & skf18("9","1","2","8","1","3","1") = "8"
    & skf18("9","1","2","8","1","4","1") = "8"
    & skf18("9","1","2","8","1","5","1") = "8"
    & skf18("9","1","2","8","1","6","1") = "8"
    & skf18("9","1","2","8","1","7","1") = "8"
    & skf18("9","1","2","8","1","8","1") = "8"
    & skf18("9","1","2","8","1","9","1") = "8"
    & skf18("9","1","2","8","1","10","1") = "9"
    & skf18("9","1","2","8","2","1","1") = "8"
    & skf18("9","1","2","8","2","2","1") = "8"
    & skf18("9","1","2","8","2","3","1") = "8"
    & skf18("9","1","2","8","2","4","1") = "8"
    & skf18("9","1","2","8","2","5","1") = "8"
    & skf18("9","1","2","8","2","6","1") = "8"
    & skf18("9","1","2","8","2","7","1") = "8"
    & skf18("9","1","2","8","2","8","1") = "8"
    & skf18("9","1","2","8","2","9","1") = "8"
    & skf18("9","1","2","8","2","10","1") = "9"
    & skf18("9","1","2","8","3","1","1") = "8"
    & skf18("9","1","2","8","3","2","1") = "8"
    & skf18("9","1","2","8","3","3","1") = "8"
    & skf18("9","1","2","8","3","4","1") = "8"
    & skf18("9","1","2","8","3","5","1") = "8"
    & skf18("9","1","2","8","3","6","1") = "8"
    & skf18("9","1","2","8","3","7","1") = "8"
    & skf18("9","1","2","8","3","8","1") = "8"
    & skf18("9","1","2","8","3","9","1") = "8"
    & skf18("9","1","2","8","3","10","1") = "9"
    & skf18("9","1","2","8","4","1","1") = "8"
    & skf18("9","1","2","8","4","2","1") = "8"
    & skf18("9","1","2","8","4","3","1") = "8"
    & skf18("9","1","2","8","4","4","1") = "8"
    & skf18("9","1","2","8","4","5","1") = "8"
    & skf18("9","1","2","8","4","6","1") = "8"
    & skf18("9","1","2","8","4","7","1") = "8"
    & skf18("9","1","2","8","4","8","1") = "8"
    & skf18("9","1","2","8","4","9","1") = "8"
    & skf18("9","1","2","8","4","10","1") = "9"
    & skf18("9","1","2","8","5","1","1") = "8"
    & skf18("9","1","2","8","5","2","1") = "8"
    & skf18("9","1","2","8","5","3","1") = "8"
    & skf18("9","1","2","8","5","4","1") = "8"
    & skf18("9","1","2","8","5","5","1") = "8"
    & skf18("9","1","2","8","5","6","1") = "8"
    & skf18("9","1","2","8","5","7","1") = "8"
    & skf18("9","1","2","8","5","8","1") = "8"
    & skf18("9","1","2","8","5","9","1") = "8"
    & skf18("9","1","2","8","5","10","1") = "9"
    & skf18("9","1","2","8","6","1","1") = "8"
    & skf18("9","1","2","8","6","2","1") = "8"
    & skf18("9","1","2","8","6","3","1") = "8"
    & skf18("9","1","2","8","6","4","1") = "8"
    & skf18("9","1","2","8","6","5","1") = "8"
    & skf18("9","1","2","8","6","6","1") = "8"
    & skf18("9","1","2","8","6","7","1") = "8"
    & skf18("9","1","2","8","6","8","1") = "8"
    & skf18("9","1","2","8","6","9","1") = "8"
    & skf18("9","1","2","8","6","10","1") = "9"
    & skf18("9","1","2","8","7","1","1") = "8"
    & skf18("9","1","2","8","7","2","1") = "8"
    & skf18("9","1","2","8","7","3","1") = "8"
    & skf18("9","1","2","8","7","4","1") = "8"
    & skf18("9","1","2","8","7","5","1") = "8"
    & skf18("9","1","2","8","7","6","1") = "8"
    & skf18("9","1","2","8","7","7","1") = "8"
    & skf18("9","1","2","8","7","8","1") = "8"
    & skf18("9","1","2","8","7","9","1") = "8"
    & skf18("9","1","2","8","7","10","1") = "9"
    & skf18("9","1","2","8","8","1","1") = "8"
    & skf18("9","1","2","8","8","2","1") = "8"
    & skf18("9","1","2","8","8","3","1") = "8"
    & skf18("9","1","2","8","8","4","1") = "8"
    & skf18("9","1","2","8","8","5","1") = "8"
    & skf18("9","1","2","8","8","6","1") = "8"
    & skf18("9","1","2","8","8","7","1") = "8"
    & skf18("9","1","2","8","8","8","1") = "8"
    & skf18("9","1","2","8","8","9","1") = "8"
    & skf18("9","1","2","8","8","10","1") = "9"
    & skf18("9","1","2","8","9","1","1") = "8"
    & skf18("9","1","2","8","9","2","1") = "8"
    & skf18("9","1","2","8","9","3","1") = "8"
    & skf18("9","1","2","8","9","4","1") = "8"
    & skf18("9","1","2","8","9","5","1") = "8"
    & skf18("9","1","2","8","9","6","1") = "8"
    & skf18("9","1","2","8","9","7","1") = "8"
    & skf18("9","1","2","8","9","8","1") = "8"
    & skf18("9","1","2","8","9","9","1") = "8"
    & skf18("9","1","2","8","9","10","1") = "9"
    & skf18("9","1","2","8","10","1","1") = "9"
    & skf18("9","1","2","8","10","2","1") = "9"
    & skf18("9","1","2","8","10","3","1") = "9"
    & skf18("9","1","2","8","10","4","1") = "9"
    & skf18("9","1","2","8","10","5","1") = "9"
    & skf18("9","1","2","8","10","6","1") = "9"
    & skf18("9","1","2","8","10","7","1") = "9"
    & skf18("9","1","2","8","10","8","1") = "9"
    & skf18("9","1","2","8","10","9","1") = "9"
    & skf18("9","1","2","8","10","10","1") = "9"
    & skf18("9","1","2","9","1","1","1") = "8"
    & skf18("9","1","2","9","1","2","1") = "8"
    & skf18("9","1","2","9","1","3","1") = "8"
    & skf18("9","1","2","9","1","4","1") = "8"
    & skf18("9","1","2","9","1","5","1") = "8"
    & skf18("9","1","2","9","1","6","1") = "8"
    & skf18("9","1","2","9","1","7","1") = "8"
    & skf18("9","1","2","9","1","8","1") = "8"
    & skf18("9","1","2","9","1","9","1") = "8"
    & skf18("9","1","2","9","1","10","1") = "9"
    & skf18("9","1","2","9","2","1","1") = "8"
    & skf18("9","1","2","9","2","2","1") = "8"
    & skf18("9","1","2","9","2","3","1") = "8"
    & skf18("9","1","2","9","2","4","1") = "8"
    & skf18("9","1","2","9","2","5","1") = "8"
    & skf18("9","1","2","9","2","6","1") = "8"
    & skf18("9","1","2","9","2","7","1") = "8"
    & skf18("9","1","2","9","2","8","1") = "8"
    & skf18("9","1","2","9","2","9","1") = "8"
    & skf18("9","1","2","9","2","10","1") = "9"
    & skf18("9","1","2","9","3","1","1") = "8"
    & skf18("9","1","2","9","3","2","1") = "8"
    & skf18("9","1","2","9","3","3","1") = "8"
    & skf18("9","1","2","9","3","4","1") = "8"
    & skf18("9","1","2","9","3","5","1") = "8"
    & skf18("9","1","2","9","3","6","1") = "8"
    & skf18("9","1","2","9","3","7","1") = "8"
    & skf18("9","1","2","9","3","8","1") = "8"
    & skf18("9","1","2","9","3","9","1") = "8"
    & skf18("9","1","2","9","3","10","1") = "9"
    & skf18("9","1","2","9","4","1","1") = "8"
    & skf18("9","1","2","9","4","2","1") = "8"
    & skf18("9","1","2","9","4","3","1") = "8"
    & skf18("9","1","2","9","4","4","1") = "8"
    & skf18("9","1","2","9","4","5","1") = "8"
    & skf18("9","1","2","9","4","6","1") = "8"
    & skf18("9","1","2","9","4","7","1") = "8"
    & skf18("9","1","2","9","4","8","1") = "8"
    & skf18("9","1","2","9","4","9","1") = "8"
    & skf18("9","1","2","9","4","10","1") = "9"
    & skf18("9","1","2","9","5","1","1") = "8"
    & skf18("9","1","2","9","5","2","1") = "8"
    & skf18("9","1","2","9","5","3","1") = "8"
    & skf18("9","1","2","9","5","4","1") = "8"
    & skf18("9","1","2","9","5","5","1") = "8"
    & skf18("9","1","2","9","5","6","1") = "8"
    & skf18("9","1","2","9","5","7","1") = "8"
    & skf18("9","1","2","9","5","8","1") = "8"
    & skf18("9","1","2","9","5","9","1") = "8"
    & skf18("9","1","2","9","5","10","1") = "9"
    & skf18("9","1","2","9","6","1","1") = "8"
    & skf18("9","1","2","9","6","2","1") = "8"
    & skf18("9","1","2","9","6","3","1") = "8"
    & skf18("9","1","2","9","6","4","1") = "8"
    & skf18("9","1","2","9","6","5","1") = "8"
    & skf18("9","1","2","9","6","6","1") = "8"
    & skf18("9","1","2","9","6","7","1") = "8"
    & skf18("9","1","2","9","6","8","1") = "8"
    & skf18("9","1","2","9","6","9","1") = "8"
    & skf18("9","1","2","9","6","10","1") = "9"
    & skf18("9","1","2","9","7","1","1") = "8"
    & skf18("9","1","2","9","7","2","1") = "8"
    & skf18("9","1","2","9","7","3","1") = "8"
    & skf18("9","1","2","9","7","4","1") = "8"
    & skf18("9","1","2","9","7","5","1") = "8"
    & skf18("9","1","2","9","7","6","1") = "8"
    & skf18("9","1","2","9","7","7","1") = "8"
    & skf18("9","1","2","9","7","8","1") = "8"
    & skf18("9","1","2","9","7","9","1") = "8"
    & skf18("9","1","2","9","7","10","1") = "9"
    & skf18("9","1","2","9","8","1","1") = "8"
    & skf18("9","1","2","9","8","2","1") = "8"
    & skf18("9","1","2","9","8","3","1") = "8"
    & skf18("9","1","2","9","8","4","1") = "8"
    & skf18("9","1","2","9","8","5","1") = "8"
    & skf18("9","1","2","9","8","6","1") = "8"
    & skf18("9","1","2","9","8","7","1") = "8"
    & skf18("9","1","2","9","8","8","1") = "8"
    & skf18("9","1","2","9","8","9","1") = "8"
    & skf18("9","1","2","9","8","10","1") = "9"
    & skf18("9","1","2","9","9","1","1") = "8"
    & skf18("9","1","2","9","9","2","1") = "8"
    & skf18("9","1","2","9","9","3","1") = "8"
    & skf18("9","1","2","9","9","4","1") = "8"
    & skf18("9","1","2","9","9","5","1") = "8"
    & skf18("9","1","2","9","9","6","1") = "8"
    & skf18("9","1","2","9","9","7","1") = "8"
    & skf18("9","1","2","9","9","8","1") = "8"
    & skf18("9","1","2","9","9","9","1") = "8"
    & skf18("9","1","2","9","9","10","1") = "9"
    & skf18("9","1","2","9","10","1","1") = "9"
    & skf18("9","1","2","9","10","2","1") = "9"
    & skf18("9","1","2","9","10","3","1") = "9"
    & skf18("9","1","2","9","10","4","1") = "9"
    & skf18("9","1","2","9","10","5","1") = "9"
    & skf18("9","1","2","9","10","6","1") = "9"
    & skf18("9","1","2","9","10","7","1") = "9"
    & skf18("9","1","2","9","10","8","1") = "9"
    & skf18("9","1","2","9","10","9","1") = "9"
    & skf18("9","1","2","9","10","10","1") = "9"
    & skf18("9","1","2","10","1","1","1") = "9"
    & skf18("9","1","2","10","1","2","1") = "9"
    & skf18("9","1","2","10","1","3","1") = "9"
    & skf18("9","1","2","10","1","4","1") = "9"
    & skf18("9","1","2","10","1","5","1") = "9"
    & skf18("9","1","2","10","1","6","1") = "9"
    & skf18("9","1","2","10","1","7","1") = "9"
    & skf18("9","1","2","10","1","8","1") = "9"
    & skf18("9","1","2","10","1","9","1") = "9"
    & skf18("9","1","2","10","1","10","1") = "9"
    & skf18("9","1","2","10","2","1","1") = "9"
    & skf18("9","1","2","10","2","2","1") = "9"
    & skf18("9","1","2","10","2","3","1") = "9"
    & skf18("9","1","2","10","2","4","1") = "9"
    & skf18("9","1","2","10","2","5","1") = "9"
    & skf18("9","1","2","10","2","6","1") = "9"
    & skf18("9","1","2","10","2","7","1") = "9"
    & skf18("9","1","2","10","2","8","1") = "9"
    & skf18("9","1","2","10","2","9","1") = "9"
    & skf18("9","1","2","10","2","10","1") = "9"
    & skf18("9","1","2","10","3","1","1") = "9"
    & skf18("9","1","2","10","3","2","1") = "9"
    & skf18("9","1","2","10","3","3","1") = "9"
    & skf18("9","1","2","10","3","4","1") = "9"
    & skf18("9","1","2","10","3","5","1") = "9"
    & skf18("9","1","2","10","3","6","1") = "9"
    & skf18("9","1","2","10","3","7","1") = "9"
    & skf18("9","1","2","10","3","8","1") = "9"
    & skf18("9","1","2","10","3","9","1") = "9"
    & skf18("9","1","2","10","3","10","1") = "9"
    & skf18("9","1","2","10","4","1","1") = "9"
    & skf18("9","1","2","10","4","2","1") = "9"
    & skf18("9","1","2","10","4","3","1") = "9"
    & skf18("9","1","2","10","4","4","1") = "9"
    & skf18("9","1","2","10","4","5","1") = "9"
    & skf18("9","1","2","10","4","6","1") = "9"
    & skf18("9","1","2","10","4","7","1") = "9"
    & skf18("9","1","2","10","4","8","1") = "9"
    & skf18("9","1","2","10","4","9","1") = "9"
    & skf18("9","1","2","10","4","10","1") = "9"
    & skf18("9","1","2","10","5","1","1") = "9"
    & skf18("9","1","2","10","5","2","1") = "9"
    & skf18("9","1","2","10","5","3","1") = "9"
    & skf18("9","1","2","10","5","4","1") = "9"
    & skf18("9","1","2","10","5","5","1") = "9"
    & skf18("9","1","2","10","5","6","1") = "9"
    & skf18("9","1","2","10","5","7","1") = "9"
    & skf18("9","1","2","10","5","8","1") = "9"
    & skf18("9","1","2","10","5","9","1") = "9"
    & skf18("9","1","2","10","5","10","1") = "9"
    & skf18("9","1","2","10","6","1","1") = "9"
    & skf18("9","1","2","10","6","2","1") = "9"
    & skf18("9","1","2","10","6","3","1") = "9"
    & skf18("9","1","2","10","6","4","1") = "9"
    & skf18("9","1","2","10","6","5","1") = "9"
    & skf18("9","1","2","10","6","6","1") = "9"
    & skf18("9","1","2","10","6","7","1") = "9"
    & skf18("9","1","2","10","6","8","1") = "9"
    & skf18("9","1","2","10","6","9","1") = "9"
    & skf18("9","1","2","10","6","10","1") = "9"
    & skf18("9","1","2","10","7","1","1") = "9"
    & skf18("9","1","2","10","7","2","1") = "9"
    & skf18("9","1","2","10","7","3","1") = "9"
    & skf18("9","1","2","10","7","4","1") = "9"
    & skf18("9","1","2","10","7","5","1") = "9"
    & skf18("9","1","2","10","7","6","1") = "9"
    & skf18("9","1","2","10","7","7","1") = "9"
    & skf18("9","1","2","10","7","8","1") = "9"
    & skf18("9","1","2","10","7","9","1") = "9"
    & skf18("9","1","2","10","7","10","1") = "9"
    & skf18("9","1","2","10","8","1","1") = "9"
    & skf18("9","1","2","10","8","2","1") = "9"
    & skf18("9","1","2","10","8","3","1") = "9"
    & skf18("9","1","2","10","8","4","1") = "9"
    & skf18("9","1","2","10","8","5","1") = "9"
    & skf18("9","1","2","10","8","6","1") = "9"
    & skf18("9","1","2","10","8","7","1") = "9"
    & skf18("9","1","2","10","8","8","1") = "9"
    & skf18("9","1","2","10","8","9","1") = "9"
    & skf18("9","1","2","10","8","10","1") = "9"
    & skf18("9","1","2","10","9","1","1") = "9"
    & skf18("9","1","2","10","9","2","1") = "9"
    & skf18("9","1","2","10","9","3","1") = "9"
    & skf18("9","1","2","10","9","4","1") = "9"
    & skf18("9","1","2","10","9","5","1") = "9"
    & skf18("9","1","2","10","9","6","1") = "9"
    & skf18("9","1","2","10","9","7","1") = "9"
    & skf18("9","1","2","10","9","8","1") = "9"
    & skf18("9","1","2","10","9","9","1") = "9"
    & skf18("9","1","2","10","9","10","1") = "9"
    & skf18("9","1","2","10","10","1","1") = "9"
    & skf18("9","1","2","10","10","2","1") = "9"
    & skf18("9","1","2","10","10","3","1") = "9"
    & skf18("9","1","2","10","10","4","1") = "9"
    & skf18("9","1","2","10","10","5","1") = "9"
    & skf18("9","1","2","10","10","6","1") = "9"
    & skf18("9","1","2","10","10","7","1") = "9"
    & skf18("9","1","2","10","10","8","1") = "9"
    & skf18("9","1","2","10","10","9","1") = "9"
    & skf18("9","1","2","10","10","10","1") = "9"
    & skf18("9","1","3","1","1","1","1") = "8"
    & skf18("9","1","3","1","1","2","1") = "8"
    & skf18("9","1","3","1","1","3","1") = "8"
    & skf18("9","1","3","1","1","4","1") = "8"
    & skf18("9","1","3","1","1","5","1") = "8"
    & skf18("9","1","3","1","1","6","1") = "8"
    & skf18("9","1","3","1","1","7","1") = "8"
    & skf18("9","1","3","1","1","8","1") = "8"
    & skf18("9","1","3","1","1","9","1") = "8"
    & skf18("9","1","3","1","1","10","1") = "9"
    & skf18("9","1","3","1","2","1","1") = "8"
    & skf18("9","1","3","1","2","2","1") = "8"
    & skf18("9","1","3","1","2","3","1") = "8"
    & skf18("9","1","3","1","2","4","1") = "8"
    & skf18("9","1","3","1","2","5","1") = "8"
    & skf18("9","1","3","1","2","6","1") = "8"
    & skf18("9","1","3","1","2","7","1") = "8"
    & skf18("9","1","3","1","2","8","1") = "8"
    & skf18("9","1","3","1","2","9","1") = "8"
    & skf18("9","1","3","1","2","10","1") = "9"
    & skf18("9","1","3","1","3","1","1") = "8"
    & skf18("9","1","3","1","3","2","1") = "8"
    & skf18("9","1","3","1","3","3","1") = "8"
    & skf18("9","1","3","1","3","4","1") = "8"
    & skf18("9","1","3","1","3","5","1") = "8"
    & skf18("9","1","3","1","3","6","1") = "8"
    & skf18("9","1","3","1","3","7","1") = "8"
    & skf18("9","1","3","1","3","8","1") = "8"
    & skf18("9","1","3","1","3","9","1") = "8"
    & skf18("9","1","3","1","3","10","1") = "9"
    & skf18("9","1","3","1","4","1","1") = "8"
    & skf18("9","1","3","1","4","2","1") = "8"
    & skf18("9","1","3","1","4","3","1") = "8"
    & skf18("9","1","3","1","4","4","1") = "8"
    & skf18("9","1","3","1","4","5","1") = "8"
    & skf18("9","1","3","1","4","6","1") = "8"
    & skf18("9","1","3","1","4","7","1") = "8"
    & skf18("9","1","3","1","4","8","1") = "8"
    & skf18("9","1","3","1","4","9","1") = "8"
    & skf18("9","1","3","1","4","10","1") = "9"
    & skf18("9","1","3","1","5","1","1") = "8"
    & skf18("9","1","3","1","5","2","1") = "8"
    & skf18("9","1","3","1","5","3","1") = "8"
    & skf18("9","1","3","1","5","4","1") = "8"
    & skf18("9","1","3","1","5","5","1") = "8"
    & skf18("9","1","3","1","5","6","1") = "8"
    & skf18("9","1","3","1","5","7","1") = "8"
    & skf18("9","1","3","1","5","8","1") = "8"
    & skf18("9","1","3","1","5","9","1") = "8"
    & skf18("9","1","3","1","5","10","1") = "9"
    & skf18("9","1","3","1","6","1","1") = "8"
    & skf18("9","1","3","1","6","2","1") = "8"
    & skf18("9","1","3","1","6","3","1") = "8"
    & skf18("9","1","3","1","6","4","1") = "8"
    & skf18("9","1","3","1","6","5","1") = "8"
    & skf18("9","1","3","1","6","6","1") = "8"
    & skf18("9","1","3","1","6","7","1") = "8"
    & skf18("9","1","3","1","6","8","1") = "8"
    & skf18("9","1","3","1","6","9","1") = "8"
    & skf18("9","1","3","1","6","10","1") = "9"
    & skf18("9","1","3","1","7","1","1") = "8"
    & skf18("9","1","3","1","7","2","1") = "8"
    & skf18("9","1","3","1","7","3","1") = "8"
    & skf18("9","1","3","1","7","4","1") = "8"
    & skf18("9","1","3","1","7","5","1") = "8"
    & skf18("9","1","3","1","7","6","1") = "8"
    & skf18("9","1","3","1","7","7","1") = "8"
    & skf18("9","1","3","1","7","8","1") = "8"
    & skf18("9","1","3","1","7","9","1") = "8"
    & skf18("9","1","3","1","7","10","1") = "9"
    & skf18("9","1","3","1","8","1","1") = "8"
    & skf18("9","1","3","1","8","2","1") = "8"
    & skf18("9","1","3","1","8","3","1") = "8"
    & skf18("9","1","3","1","8","4","1") = "8"
    & skf18("9","1","3","1","8","5","1") = "8"
    & skf18("9","1","3","1","8","6","1") = "8"
    & skf18("9","1","3","1","8","7","1") = "8"
    & skf18("9","1","3","1","8","8","1") = "8"
    & skf18("9","1","3","1","8","9","1") = "8"
    & skf18("9","1","3","1","8","10","1") = "9"
    & skf18("9","1","3","1","9","1","1") = "8"
    & skf18("9","1","3","1","9","2","1") = "8"
    & skf18("9","1","3","1","9","3","1") = "8"
    & skf18("9","1","3","1","9","4","1") = "8"
    & skf18("9","1","3","1","9","5","1") = "8"
    & skf18("9","1","3","1","9","6","1") = "8"
    & skf18("9","1","3","1","9","7","1") = "8"
    & skf18("9","1","3","1","9","8","1") = "8"
    & skf18("9","1","3","1","9","9","1") = "8"
    & skf18("9","1","3","1","9","10","1") = "9"
    & skf18("9","1","3","1","10","1","1") = "9"
    & skf18("9","1","3","1","10","2","1") = "9"
    & skf18("9","1","3","1","10","3","1") = "9"
    & skf18("9","1","3","1","10","4","1") = "9"
    & skf18("9","1","3","1","10","5","1") = "9"
    & skf18("9","1","3","1","10","6","1") = "9"
    & skf18("9","1","3","1","10","7","1") = "9"
    & skf18("9","1","3","1","10","8","1") = "9"
    & skf18("9","1","3","1","10","9","1") = "9"
    & skf18("9","1","3","1","10","10","1") = "9"
    & skf18("9","1","3","2","1","1","1") = "8"
    & skf18("9","1","3","2","1","2","1") = "8"
    & skf18("9","1","3","2","1","3","1") = "8"
    & skf18("9","1","3","2","1","4","1") = "8"
    & skf18("9","1","3","2","1","5","1") = "8"
    & skf18("9","1","3","2","1","6","1") = "8"
    & skf18("9","1","3","2","1","7","1") = "8"
    & skf18("9","1","3","2","1","8","1") = "8"
    & skf18("9","1","3","2","1","9","1") = "8"
    & skf18("9","1","3","2","1","10","1") = "9"
    & skf18("9","1","3","2","2","1","1") = "8"
    & skf18("9","1","3","2","2","2","1") = "8"
    & skf18("9","1","3","2","2","3","1") = "8"
    & skf18("9","1","3","2","2","4","1") = "8"
    & skf18("9","1","3","2","2","5","1") = "8"
    & skf18("9","1","3","2","2","6","1") = "8"
    & skf18("9","1","3","2","2","7","1") = "8"
    & skf18("9","1","3","2","2","8","1") = "8"
    & skf18("9","1","3","2","2","9","1") = "8"
    & skf18("9","1","3","2","2","10","1") = "9"
    & skf18("9","1","3","2","3","1","1") = "8"
    & skf18("9","1","3","2","3","2","1") = "8"
    & skf18("9","1","3","2","3","3","1") = "8"
    & skf18("9","1","3","2","3","4","1") = "8"
    & skf18("9","1","3","2","3","5","1") = "8"
    & skf18("9","1","3","2","3","6","1") = "8"
    & skf18("9","1","3","2","3","7","1") = "8"
    & skf18("9","1","3","2","3","8","1") = "8"
    & skf18("9","1","3","2","3","9","1") = "8"
    & skf18("9","1","3","2","3","10","1") = "9"
    & skf18("9","1","3","2","4","1","1") = "8"
    & skf18("9","1","3","2","4","2","1") = "8"
    & skf18("9","1","3","2","4","3","1") = "8"
    & skf18("9","1","3","2","4","4","1") = "8"
    & skf18("9","1","3","2","4","5","1") = "8"
    & skf18("9","1","3","2","4","6","1") = "8"
    & skf18("9","1","3","2","4","7","1") = "8"
    & skf18("9","1","3","2","4","8","1") = "8"
    & skf18("9","1","3","2","4","9","1") = "8"
    & skf18("9","1","3","2","4","10","1") = "9"
    & skf18("9","1","3","2","5","1","1") = "8"
    & skf18("9","1","3","2","5","2","1") = "8"
    & skf18("9","1","3","2","5","3","1") = "8"
    & skf18("9","1","3","2","5","4","1") = "8"
    & skf18("9","1","3","2","5","5","1") = "8"
    & skf18("9","1","3","2","5","6","1") = "8"
    & skf18("9","1","3","2","5","7","1") = "8"
    & skf18("9","1","3","2","5","8","1") = "8"
    & skf18("9","1","3","2","5","9","1") = "8"
    & skf18("9","1","3","2","5","10","1") = "9"
    & skf18("9","1","3","2","6","1","1") = "8"
    & skf18("9","1","3","2","6","2","1") = "8"
    & skf18("9","1","3","2","6","3","1") = "8"
    & skf18("9","1","3","2","6","4","1") = "8"
    & skf18("9","1","3","2","6","5","1") = "8"
    & skf18("9","1","3","2","6","6","1") = "8"
    & skf18("9","1","3","2","6","7","1") = "8"
    & skf18("9","1","3","2","6","8","1") = "8"
    & skf18("9","1","3","2","6","9","1") = "8"
    & skf18("9","1","3","2","6","10","1") = "9"
    & skf18("9","1","3","2","7","1","1") = "8"
    & skf18("9","1","3","2","7","2","1") = "8"
    & skf18("9","1","3","2","7","3","1") = "8"
    & skf18("9","1","3","2","7","4","1") = "8"
    & skf18("9","1","3","2","7","5","1") = "8"
    & skf18("9","1","3","2","7","6","1") = "8"
    & skf18("9","1","3","2","7","7","1") = "8"
    & skf18("9","1","3","2","7","8","1") = "8"
    & skf18("9","1","3","2","7","9","1") = "8"
    & skf18("9","1","3","2","7","10","1") = "9"
    & skf18("9","1","3","2","8","1","1") = "8"
    & skf18("9","1","3","2","8","2","1") = "8"
    & skf18("9","1","3","2","8","3","1") = "8"
    & skf18("9","1","3","2","8","4","1") = "8"
    & skf18("9","1","3","2","8","5","1") = "8"
    & skf18("9","1","3","2","8","6","1") = "8"
    & skf18("9","1","3","2","8","7","1") = "8"
    & skf18("9","1","3","2","8","8","1") = "8"
    & skf18("9","1","3","2","8","9","1") = "8"
    & skf18("9","1","3","2","8","10","1") = "9"
    & skf18("9","1","3","2","9","1","1") = "8"
    & skf18("9","1","3","2","9","2","1") = "8"
    & skf18("9","1","3","2","9","3","1") = "8"
    & skf18("9","1","3","2","9","4","1") = "8"
    & skf18("9","1","3","2","9","5","1") = "8"
    & skf18("9","1","3","2","9","6","1") = "8"
    & skf18("9","1","3","2","9","7","1") = "8"
    & skf18("9","1","3","2","9","8","1") = "8"
    & skf18("9","1","3","2","9","9","1") = "8"
    & skf18("9","1","3","2","9","10","1") = "9"
    & skf18("9","1","3","2","10","1","1") = "9"
    & skf18("9","1","3","2","10","2","1") = "9"
    & skf18("9","1","3","2","10","3","1") = "9"
    & skf18("9","1","3","2","10","4","1") = "9"
    & skf18("9","1","3","2","10","5","1") = "9"
    & skf18("9","1","3","2","10","6","1") = "9"
    & skf18("9","1","3","2","10","7","1") = "9"
    & skf18("9","1","3","2","10","8","1") = "9"
    & skf18("9","1","3","2","10","9","1") = "9"
    & skf18("9","1","3","2","10","10","1") = "9"
    & skf18("9","1","3","3","1","1","1") = "8"
    & skf18("9","1","3","3","1","2","1") = "8"
    & skf18("9","1","3","3","1","3","1") = "8"
    & skf18("9","1","3","3","1","4","1") = "8"
    & skf18("9","1","3","3","1","5","1") = "8"
    & skf18("9","1","3","3","1","6","1") = "8"
    & skf18("9","1","3","3","1","7","1") = "8"
    & skf18("9","1","3","3","1","8","1") = "8"
    & skf18("9","1","3","3","1","9","1") = "8"
    & skf18("9","1","3","3","1","10","1") = "9"
    & skf18("9","1","3","3","2","1","1") = "8"
    & skf18("9","1","3","3","2","2","1") = "8"
    & skf18("9","1","3","3","2","3","1") = "8"
    & skf18("9","1","3","3","2","4","1") = "8"
    & skf18("9","1","3","3","2","5","1") = "8"
    & skf18("9","1","3","3","2","6","1") = "8"
    & skf18("9","1","3","3","2","7","1") = "8"
    & skf18("9","1","3","3","2","8","1") = "8"
    & skf18("9","1","3","3","2","9","1") = "8"
    & skf18("9","1","3","3","2","10","1") = "9"
    & skf18("9","1","3","3","3","1","1") = "8"
    & skf18("9","1","3","3","3","2","1") = "8"
    & skf18("9","1","3","3","3","3","1") = "8"
    & skf18("9","1","3","3","3","4","1") = "8"
    & skf18("9","1","3","3","3","5","1") = "8"
    & skf18("9","1","3","3","3","6","1") = "8"
    & skf18("9","1","3","3","3","7","1") = "8"
    & skf18("9","1","3","3","3","8","1") = "8"
    & skf18("9","1","3","3","3","9","1") = "8"
    & skf18("9","1","3","3","3","10","1") = "9"
    & skf18("9","1","3","3","4","1","1") = "8"
    & skf18("9","1","3","3","4","2","1") = "8"
    & skf18("9","1","3","3","4","3","1") = "8"
    & skf18("9","1","3","3","4","4","1") = "8"
    & skf18("9","1","3","3","4","5","1") = "8"
    & skf18("9","1","3","3","4","6","1") = "8"
    & skf18("9","1","3","3","4","7","1") = "8"
    & skf18("9","1","3","3","4","8","1") = "8"
    & skf18("9","1","3","3","4","9","1") = "8"
    & skf18("9","1","3","3","4","10","1") = "9"
    & skf18("9","1","3","3","5","1","1") = "8"
    & skf18("9","1","3","3","5","2","1") = "8"
    & skf18("9","1","3","3","5","3","1") = "8"
    & skf18("9","1","3","3","5","4","1") = "8"
    & skf18("9","1","3","3","5","5","1") = "8"
    & skf18("9","1","3","3","5","6","1") = "8"
    & skf18("9","1","3","3","5","7","1") = "8"
    & skf18("9","1","3","3","5","8","1") = "8"
    & skf18("9","1","3","3","5","9","1") = "8"
    & skf18("9","1","3","3","5","10","1") = "9"
    & skf18("9","1","3","3","6","1","1") = "8"
    & skf18("9","1","3","3","6","2","1") = "8"
    & skf18("9","1","3","3","6","3","1") = "8"
    & skf18("9","1","3","3","6","4","1") = "8"
    & skf18("9","1","3","3","6","5","1") = "8"
    & skf18("9","1","3","3","6","6","1") = "8"
    & skf18("9","1","3","3","6","7","1") = "8"
    & skf18("9","1","3","3","6","8","1") = "8"
    & skf18("9","1","3","3","6","9","1") = "8"
    & skf18("9","1","3","3","6","10","1") = "9"
    & skf18("9","1","3","3","7","1","1") = "8"
    & skf18("9","1","3","3","7","2","1") = "8"
    & skf18("9","1","3","3","7","3","1") = "8"
    & skf18("9","1","3","3","7","4","1") = "8"
    & skf18("9","1","3","3","7","5","1") = "8"
    & skf18("9","1","3","3","7","6","1") = "8"
    & skf18("9","1","3","3","7","7","1") = "8"
    & skf18("9","1","3","3","7","8","1") = "8"
    & skf18("9","1","3","3","7","9","1") = "8"
    & skf18("9","1","3","3","7","10","1") = "9"
    & skf18("9","1","3","3","8","1","1") = "8"
    & skf18("9","1","3","3","8","2","1") = "8"
    & skf18("9","1","3","3","8","3","1") = "8"
    & skf18("9","1","3","3","8","4","1") = "8"
    & skf18("9","1","3","3","8","5","1") = "8"
    & skf18("9","1","3","3","8","6","1") = "8"
    & skf18("9","1","3","3","8","7","1") = "8"
    & skf18("9","1","3","3","8","8","1") = "8"
    & skf18("9","1","3","3","8","9","1") = "8"
    & skf18("9","1","3","3","8","10","1") = "9"
    & skf18("9","1","3","3","9","1","1") = "8"
    & skf18("9","1","3","3","9","2","1") = "8"
    & skf18("9","1","3","3","9","3","1") = "8"
    & skf18("9","1","3","3","9","4","1") = "8"
    & skf18("9","1","3","3","9","5","1") = "8"
    & skf18("9","1","3","3","9","6","1") = "8"
    & skf18("9","1","3","3","9","7","1") = "8"
    & skf18("9","1","3","3","9","8","1") = "8"
    & skf18("9","1","3","3","9","9","1") = "8"
    & skf18("9","1","3","3","9","10","1") = "9"
    & skf18("9","1","3","3","10","1","1") = "9"
    & skf18("9","1","3","3","10","2","1") = "9"
    & skf18("9","1","3","3","10","3","1") = "9"
    & skf18("9","1","3","3","10","4","1") = "9"
    & skf18("9","1","3","3","10","5","1") = "9"
    & skf18("9","1","3","3","10","6","1") = "9"
    & skf18("9","1","3","3","10","7","1") = "9"
    & skf18("9","1","3","3","10","8","1") = "9"
    & skf18("9","1","3","3","10","9","1") = "9"
    & skf18("9","1","3","3","10","10","1") = "9"
    & skf18("9","1","3","4","1","1","1") = "8"
    & skf18("9","1","3","4","1","2","1") = "8"
    & skf18("9","1","3","4","1","3","1") = "8"
    & skf18("9","1","3","4","1","4","1") = "8"
    & skf18("9","1","3","4","1","5","1") = "8"
    & skf18("9","1","3","4","1","6","1") = "8"
    & skf18("9","1","3","4","1","7","1") = "8"
    & skf18("9","1","3","4","1","8","1") = "8"
    & skf18("9","1","3","4","1","9","1") = "8"
    & skf18("9","1","3","4","1","10","1") = "9"
    & skf18("9","1","3","4","2","1","1") = "8"
    & skf18("9","1","3","4","2","2","1") = "8"
    & skf18("9","1","3","4","2","3","1") = "8"
    & skf18("9","1","3","4","2","4","1") = "8"
    & skf18("9","1","3","4","2","5","1") = "8"
    & skf18("9","1","3","4","2","6","1") = "8"
    & skf18("9","1","3","4","2","7","1") = "8"
    & skf18("9","1","3","4","2","8","1") = "8"
    & skf18("9","1","3","4","2","9","1") = "8"
    & skf18("9","1","3","4","2","10","1") = "9"
    & skf18("9","1","3","4","3","1","1") = "8"
    & skf18("9","1","3","4","3","2","1") = "8"
    & skf18("9","1","3","4","3","3","1") = "8"
    & skf18("9","1","3","4","3","4","1") = "8"
    & skf18("9","1","3","4","3","5","1") = "8"
    & skf18("9","1","3","4","3","6","1") = "8"
    & skf18("9","1","3","4","3","7","1") = "8"
    & skf18("9","1","3","4","3","8","1") = "8"
    & skf18("9","1","3","4","3","9","1") = "8"
    & skf18("9","1","3","4","3","10","1") = "9"
    & skf18("9","1","3","4","4","1","1") = "8"
    & skf18("9","1","3","4","4","2","1") = "8"
    & skf18("9","1","3","4","4","3","1") = "8"
    & skf18("9","1","3","4","4","4","1") = "8"
    & skf18("9","1","3","4","4","5","1") = "8"
    & skf18("9","1","3","4","4","6","1") = "8"
    & skf18("9","1","3","4","4","7","1") = "8"
    & skf18("9","1","3","4","4","8","1") = "8"
    & skf18("9","1","3","4","4","9","1") = "8"
    & skf18("9","1","3","4","4","10","1") = "9"
    & skf18("9","1","3","4","5","1","1") = "8"
    & skf18("9","1","3","4","5","2","1") = "8"
    & skf18("9","1","3","4","5","3","1") = "8"
    & skf18("9","1","3","4","5","4","1") = "8"
    & skf18("9","1","3","4","5","5","1") = "8"
    & skf18("9","1","3","4","5","6","1") = "8"
    & skf18("9","1","3","4","5","7","1") = "8"
    & skf18("9","1","3","4","5","8","1") = "8"
    & skf18("9","1","3","4","5","9","1") = "8"
    & skf18("9","1","3","4","5","10","1") = "9"
    & skf18("9","1","3","4","6","1","1") = "8"
    & skf18("9","1","3","4","6","2","1") = "8"
    & skf18("9","1","3","4","6","3","1") = "8"
    & skf18("9","1","3","4","6","4","1") = "8"
    & skf18("9","1","3","4","6","5","1") = "8"
    & skf18("9","1","3","4","6","6","1") = "8"
    & skf18("9","1","3","4","6","7","1") = "8"
    & skf18("9","1","3","4","6","8","1") = "8"
    & skf18("9","1","3","4","6","9","1") = "8"
    & skf18("9","1","3","4","6","10","1") = "9"
    & skf18("9","1","3","4","7","1","1") = "8"
    & skf18("9","1","3","4","7","2","1") = "8"
    & skf18("9","1","3","4","7","3","1") = "8"
    & skf18("9","1","3","4","7","4","1") = "8"
    & skf18("9","1","3","4","7","5","1") = "8"
    & skf18("9","1","3","4","7","6","1") = "8"
    & skf18("9","1","3","4","7","7","1") = "8"
    & skf18("9","1","3","4","7","8","1") = "8"
    & skf18("9","1","3","4","7","9","1") = "8"
    & skf18("9","1","3","4","7","10","1") = "9"
    & skf18("9","1","3","4","8","1","1") = "8"
    & skf18("9","1","3","4","8","2","1") = "8"
    & skf18("9","1","3","4","8","3","1") = "8"
    & skf18("9","1","3","4","8","4","1") = "8"
    & skf18("9","1","3","4","8","5","1") = "8"
    & skf18("9","1","3","4","8","6","1") = "8"
    & skf18("9","1","3","4","8","7","1") = "8"
    & skf18("9","1","3","4","8","8","1") = "8"
    & skf18("9","1","3","4","8","9","1") = "8"
    & skf18("9","1","3","4","8","10","1") = "9"
    & skf18("9","1","3","4","9","1","1") = "8"
    & skf18("9","1","3","4","9","2","1") = "8"
    & skf18("9","1","3","4","9","3","1") = "8"
    & skf18("9","1","3","4","9","4","1") = "8"
    & skf18("9","1","3","4","9","5","1") = "8"
    & skf18("9","1","3","4","9","6","1") = "8"
    & skf18("9","1","3","4","9","7","1") = "8"
    & skf18("9","1","3","4","9","8","1") = "8"
    & skf18("9","1","3","4","9","9","1") = "8"
    & skf18("9","1","3","4","9","10","1") = "9"
    & skf18("9","1","3","4","10","1","1") = "9"
    & skf18("9","1","3","4","10","2","1") = "9"
    & skf18("9","1","3","4","10","3","1") = "9"
    & skf18("9","1","3","4","10","4","1") = "9"
    & skf18("9","1","3","4","10","5","1") = "9"
    & skf18("9","1","3","4","10","6","1") = "9"
    & skf18("9","1","3","4","10","7","1") = "9"
    & skf18("9","1","3","4","10","8","1") = "9"
    & skf18("9","1","3","4","10","9","1") = "9"
    & skf18("9","1","3","4","10","10","1") = "9"
    & skf18("9","1","3","5","1","1","1") = "8"
    & skf18("9","1","3","5","1","2","1") = "8"
    & skf18("9","1","3","5","1","3","1") = "8"
    & skf18("9","1","3","5","1","4","1") = "8"
    & skf18("9","1","3","5","1","5","1") = "8"
    & skf18("9","1","3","5","1","6","1") = "8"
    & skf18("9","1","3","5","1","7","1") = "8"
    & skf18("9","1","3","5","1","8","1") = "8"
    & skf18("9","1","3","5","1","9","1") = "8"
    & skf18("9","1","3","5","1","10","1") = "9"
    & skf18("9","1","3","5","2","1","1") = "8"
    & skf18("9","1","3","5","2","2","1") = "8"
    & skf18("9","1","3","5","2","3","1") = "8"
    & skf18("9","1","3","5","2","4","1") = "8"
    & skf18("9","1","3","5","2","5","1") = "8"
    & skf18("9","1","3","5","2","6","1") = "8"
    & skf18("9","1","3","5","2","7","1") = "8"
    & skf18("9","1","3","5","2","8","1") = "8"
    & skf18("9","1","3","5","2","9","1") = "8"
    & skf18("9","1","3","5","2","10","1") = "9"
    & skf18("9","1","3","5","3","1","1") = "8"
    & skf18("9","1","3","5","3","2","1") = "8"
    & skf18("9","1","3","5","3","3","1") = "8"
    & skf18("9","1","3","5","3","4","1") = "8"
    & skf18("9","1","3","5","3","5","1") = "8"
    & skf18("9","1","3","5","3","6","1") = "8"
    & skf18("9","1","3","5","3","7","1") = "8"
    & skf18("9","1","3","5","3","8","1") = "8"
    & skf18("9","1","3","5","3","9","1") = "8"
    & skf18("9","1","3","5","3","10","1") = "9"
    & skf18("9","1","3","5","4","1","1") = "8"
    & skf18("9","1","3","5","4","2","1") = "8"
    & skf18("9","1","3","5","4","3","1") = "8"
    & skf18("9","1","3","5","4","4","1") = "8"
    & skf18("9","1","3","5","4","5","1") = "8"
    & skf18("9","1","3","5","4","6","1") = "8"
    & skf18("9","1","3","5","4","7","1") = "8"
    & skf18("9","1","3","5","4","8","1") = "8"
    & skf18("9","1","3","5","4","9","1") = "8"
    & skf18("9","1","3","5","4","10","1") = "9"
    & skf18("9","1","3","5","5","1","1") = "8"
    & skf18("9","1","3","5","5","2","1") = "8"
    & skf18("9","1","3","5","5","3","1") = "8"
    & skf18("9","1","3","5","5","4","1") = "8"
    & skf18("9","1","3","5","5","5","1") = "8"
    & skf18("9","1","3","5","5","6","1") = "8"
    & skf18("9","1","3","5","5","7","1") = "8"
    & skf18("9","1","3","5","5","8","1") = "8"
    & skf18("9","1","3","5","5","9","1") = "8"
    & skf18("9","1","3","5","5","10","1") = "9"
    & skf18("9","1","3","5","6","1","1") = "8"
    & skf18("9","1","3","5","6","2","1") = "8"
    & skf18("9","1","3","5","6","3","1") = "8"
    & skf18("9","1","3","5","6","4","1") = "8"
    & skf18("9","1","3","5","6","5","1") = "8"
    & skf18("9","1","3","5","6","6","1") = "8"
    & skf18("9","1","3","5","6","7","1") = "8"
    & skf18("9","1","3","5","6","8","1") = "8"
    & skf18("9","1","3","5","6","9","1") = "8"
    & skf18("9","1","3","5","6","10","1") = "9"
    & skf18("9","1","3","5","7","1","1") = "8"
    & skf18("9","1","3","5","7","2","1") = "8"
    & skf18("9","1","3","5","7","3","1") = "8"
    & skf18("9","1","3","5","7","4","1") = "8"
    & skf18("9","1","3","5","7","5","1") = "8"
    & skf18("9","1","3","5","7","6","1") = "8"
    & skf18("9","1","3","5","7","7","1") = "8"
    & skf18("9","1","3","5","7","8","1") = "8"
    & skf18("9","1","3","5","7","9","1") = "8"
    & skf18("9","1","3","5","7","10","1") = "9"
    & skf18("9","1","3","5","8","1","1") = "8"
    & skf18("9","1","3","5","8","2","1") = "8"
    & skf18("9","1","3","5","8","3","1") = "8"
    & skf18("9","1","3","5","8","4","1") = "8"
    & skf18("9","1","3","5","8","5","1") = "8"
    & skf18("9","1","3","5","8","6","1") = "8"
    & skf18("9","1","3","5","8","7","1") = "8"
    & skf18("9","1","3","5","8","8","1") = "8"
    & skf18("9","1","3","5","8","9","1") = "8"
    & skf18("9","1","3","5","8","10","1") = "9"
    & skf18("9","1","3","5","9","1","1") = "8"
    & skf18("9","1","3","5","9","2","1") = "8"
    & skf18("9","1","3","5","9","3","1") = "8"
    & skf18("9","1","3","5","9","4","1") = "8"
    & skf18("9","1","3","5","9","5","1") = "8"
    & skf18("9","1","3","5","9","6","1") = "8"
    & skf18("9","1","3","5","9","7","1") = "8"
    & skf18("9","1","3","5","9","8","1") = "8"
    & skf18("9","1","3","5","9","9","1") = "8"
    & skf18("9","1","3","5","9","10","1") = "9"
    & skf18("9","1","3","5","10","1","1") = "9"
    & skf18("9","1","3","5","10","2","1") = "9"
    & skf18("9","1","3","5","10","3","1") = "9"
    & skf18("9","1","3","5","10","4","1") = "9"
    & skf18("9","1","3","5","10","5","1") = "9"
    & skf18("9","1","3","5","10","6","1") = "9"
    & skf18("9","1","3","5","10","7","1") = "9"
    & skf18("9","1","3","5","10","8","1") = "9"
    & skf18("9","1","3","5","10","9","1") = "9"
    & skf18("9","1","3","5","10","10","1") = "9"
    & skf18("9","1","3","6","1","1","1") = "8"
    & skf18("9","1","3","6","1","2","1") = "8"
    & skf18("9","1","3","6","1","3","1") = "8"
    & skf18("9","1","3","6","1","4","1") = "8"
    & skf18("9","1","3","6","1","5","1") = "8"
    & skf18("9","1","3","6","1","6","1") = "8"
    & skf18("9","1","3","6","1","7","1") = "8"
    & skf18("9","1","3","6","1","8","1") = "8"
    & skf18("9","1","3","6","1","9","1") = "8"
    & skf18("9","1","3","6","1","10","1") = "9"
    & skf18("9","1","3","6","2","1","1") = "8"
    & skf18("9","1","3","6","2","2","1") = "8"
    & skf18("9","1","3","6","2","3","1") = "8"
    & skf18("9","1","3","6","2","4","1") = "8"
    & skf18("9","1","3","6","2","5","1") = "8"
    & skf18("9","1","3","6","2","6","1") = "8"
    & skf18("9","1","3","6","2","7","1") = "8"
    & skf18("9","1","3","6","2","8","1") = "8"
    & skf18("9","1","3","6","2","9","1") = "8"
    & skf18("9","1","3","6","2","10","1") = "9"
    & skf18("9","1","3","6","3","1","1") = "8"
    & skf18("9","1","3","6","3","2","1") = "8"
    & skf18("9","1","3","6","3","3","1") = "8"
    & skf18("9","1","3","6","3","4","1") = "8"
    & skf18("9","1","3","6","3","5","1") = "8"
    & skf18("9","1","3","6","3","6","1") = "8"
    & skf18("9","1","3","6","3","7","1") = "8"
    & skf18("9","1","3","6","3","8","1") = "8"
    & skf18("9","1","3","6","3","9","1") = "8"
    & skf18("9","1","3","6","3","10","1") = "9"
    & skf18("9","1","3","6","4","1","1") = "8"
    & skf18("9","1","3","6","4","2","1") = "8"
    & skf18("9","1","3","6","4","3","1") = "8"
    & skf18("9","1","3","6","4","4","1") = "8"
    & skf18("9","1","3","6","4","5","1") = "8"
    & skf18("9","1","3","6","4","6","1") = "8"
    & skf18("9","1","3","6","4","7","1") = "8"
    & skf18("9","1","3","6","4","8","1") = "8"
    & skf18("9","1","3","6","4","9","1") = "8"
    & skf18("9","1","3","6","4","10","1") = "9"
    & skf18("9","1","3","6","5","1","1") = "8"
    & skf18("9","1","3","6","5","2","1") = "8"
    & skf18("9","1","3","6","5","3","1") = "8"
    & skf18("9","1","3","6","5","4","1") = "8"
    & skf18("9","1","3","6","5","5","1") = "8"
    & skf18("9","1","3","6","5","6","1") = "8"
    & skf18("9","1","3","6","5","7","1") = "8"
    & skf18("9","1","3","6","5","8","1") = "8"
    & skf18("9","1","3","6","5","9","1") = "8"
    & skf18("9","1","3","6","5","10","1") = "9"
    & skf18("9","1","3","6","6","1","1") = "8"
    & skf18("9","1","3","6","6","2","1") = "8"
    & skf18("9","1","3","6","6","3","1") = "8"
    & skf18("9","1","3","6","6","4","1") = "8"
    & skf18("9","1","3","6","6","5","1") = "8"
    & skf18("9","1","3","6","6","6","1") = "8"
    & skf18("9","1","3","6","6","7","1") = "8"
    & skf18("9","1","3","6","6","8","1") = "8"
    & skf18("9","1","3","6","6","9","1") = "8"
    & skf18("9","1","3","6","6","10","1") = "9"
    & skf18("9","1","3","6","7","1","1") = "8"
    & skf18("9","1","3","6","7","2","1") = "8"
    & skf18("9","1","3","6","7","3","1") = "8"
    & skf18("9","1","3","6","7","4","1") = "8"
    & skf18("9","1","3","6","7","5","1") = "8"
    & skf18("9","1","3","6","7","6","1") = "8"
    & skf18("9","1","3","6","7","7","1") = "8"
    & skf18("9","1","3","6","7","8","1") = "8"
    & skf18("9","1","3","6","7","9","1") = "8"
    & skf18("9","1","3","6","7","10","1") = "9"
    & skf18("9","1","3","6","8","1","1") = "8"
    & skf18("9","1","3","6","8","2","1") = "8"
    & skf18("9","1","3","6","8","3","1") = "8"
    & skf18("9","1","3","6","8","4","1") = "8"
    & skf18("9","1","3","6","8","5","1") = "8"
    & skf18("9","1","3","6","8","6","1") = "8"
    & skf18("9","1","3","6","8","7","1") = "8"
    & skf18("9","1","3","6","8","8","1") = "8"
    & skf18("9","1","3","6","8","9","1") = "8"
    & skf18("9","1","3","6","8","10","1") = "9"
    & skf18("9","1","3","6","9","1","1") = "8"
    & skf18("9","1","3","6","9","2","1") = "8"
    & skf18("9","1","3","6","9","3","1") = "8"
    & skf18("9","1","3","6","9","4","1") = "8"
    & skf18("9","1","3","6","9","5","1") = "8"
    & skf18("9","1","3","6","9","6","1") = "8"
    & skf18("9","1","3","6","9","7","1") = "8"
    & skf18("9","1","3","6","9","8","1") = "8"
    & skf18("9","1","3","6","9","9","1") = "8"
    & skf18("9","1","3","6","9","10","1") = "9"
    & skf18("9","1","3","6","10","1","1") = "9"
    & skf18("9","1","3","6","10","2","1") = "9"
    & skf18("9","1","3","6","10","3","1") = "9"
    & skf18("9","1","3","6","10","4","1") = "9"
    & skf18("9","1","3","6","10","5","1") = "9"
    & skf18("9","1","3","6","10","6","1") = "9"
    & skf18("9","1","3","6","10","7","1") = "9"
    & skf18("9","1","3","6","10","8","1") = "9"
    & skf18("9","1","3","6","10","9","1") = "9"
    & skf18("9","1","3","6","10","10","1") = "9"
    & skf18("9","1","3","7","1","1","1") = "8"
    & skf18("9","1","3","7","1","2","1") = "8"
    & skf18("9","1","3","7","1","3","1") = "8"
    & skf18("9","1","3","7","1","4","1") = "8"
    & skf18("9","1","3","7","1","5","1") = "8"
    & skf18("9","1","3","7","1","6","1") = "8"
    & skf18("9","1","3","7","1","7","1") = "8"
    & skf18("9","1","3","7","1","8","1") = "8"
    & skf18("9","1","3","7","1","9","1") = "8"
    & skf18("9","1","3","7","1","10","1") = "9"
    & skf18("9","1","3","7","2","1","1") = "8"
    & skf18("9","1","3","7","2","2","1") = "8"
    & skf18("9","1","3","7","2","3","1") = "8"
    & skf18("9","1","3","7","2","4","1") = "8"
    & skf18("9","1","3","7","2","5","1") = "8"
    & skf18("9","1","3","7","2","6","1") = "8"
    & skf18("9","1","3","7","2","7","1") = "8"
    & skf18("9","1","3","7","2","8","1") = "8"
    & skf18("9","1","3","7","2","9","1") = "8"
    & skf18("9","1","3","7","2","10","1") = "9"
    & skf18("9","1","3","7","3","1","1") = "8"
    & skf18("9","1","3","7","3","2","1") = "8"
    & skf18("9","1","3","7","3","3","1") = "8"
    & skf18("9","1","3","7","3","4","1") = "8"
    & skf18("9","1","3","7","3","5","1") = "8"
    & skf18("9","1","3","7","3","6","1") = "8"
    & skf18("9","1","3","7","3","7","1") = "8"
    & skf18("9","1","3","7","3","8","1") = "8"
    & skf18("9","1","3","7","3","9","1") = "8"
    & skf18("9","1","3","7","3","10","1") = "9"
    & skf18("9","1","3","7","4","1","1") = "8"
    & skf18("9","1","3","7","4","2","1") = "8"
    & skf18("9","1","3","7","4","3","1") = "8"
    & skf18("9","1","3","7","4","4","1") = "8"
    & skf18("9","1","3","7","4","5","1") = "8"
    & skf18("9","1","3","7","4","6","1") = "8"
    & skf18("9","1","3","7","4","7","1") = "8"
    & skf18("9","1","3","7","4","8","1") = "8"
    & skf18("9","1","3","7","4","9","1") = "8"
    & skf18("9","1","3","7","4","10","1") = "9"
    & skf18("9","1","3","7","5","1","1") = "8"
    & skf18("9","1","3","7","5","2","1") = "8"
    & skf18("9","1","3","7","5","3","1") = "8"
    & skf18("9","1","3","7","5","4","1") = "8"
    & skf18("9","1","3","7","5","5","1") = "8"
    & skf18("9","1","3","7","5","6","1") = "8"
    & skf18("9","1","3","7","5","7","1") = "8"
    & skf18("9","1","3","7","5","8","1") = "8"
    & skf18("9","1","3","7","5","9","1") = "8"
    & skf18("9","1","3","7","5","10","1") = "9"
    & skf18("9","1","3","7","6","1","1") = "8"
    & skf18("9","1","3","7","6","2","1") = "8"
    & skf18("9","1","3","7","6","3","1") = "8"
    & skf18("9","1","3","7","6","4","1") = "8"
    & skf18("9","1","3","7","6","5","1") = "8"
    & skf18("9","1","3","7","6","6","1") = "8"
    & skf18("9","1","3","7","6","7","1") = "8"
    & skf18("9","1","3","7","6","8","1") = "8"
    & skf18("9","1","3","7","6","9","1") = "8"
    & skf18("9","1","3","7","6","10","1") = "9"
    & skf18("9","1","3","7","7","1","1") = "8"
    & skf18("9","1","3","7","7","2","1") = "8"
    & skf18("9","1","3","7","7","3","1") = "8"
    & skf18("9","1","3","7","7","4","1") = "8"
    & skf18("9","1","3","7","7","5","1") = "8"
    & skf18("9","1","3","7","7","6","1") = "8"
    & skf18("9","1","3","7","7","7","1") = "8"
    & skf18("9","1","3","7","7","8","1") = "8"
    & skf18("9","1","3","7","7","9","1") = "8"
    & skf18("9","1","3","7","7","10","1") = "9"
    & skf18("9","1","3","7","8","1","1") = "8"
    & skf18("9","1","3","7","8","2","1") = "8"
    & skf18("9","1","3","7","8","3","1") = "8"
    & skf18("9","1","3","7","8","4","1") = "8"
    & skf18("9","1","3","7","8","5","1") = "8"
    & skf18("9","1","3","7","8","6","1") = "8"
    & skf18("9","1","3","7","8","7","1") = "8"
    & skf18("9","1","3","7","8","8","1") = "8"
    & skf18("9","1","3","7","8","9","1") = "8"
    & skf18("9","1","3","7","8","10","1") = "9"
    & skf18("9","1","3","7","9","1","1") = "8"
    & skf18("9","1","3","7","9","2","1") = "8"
    & skf18("9","1","3","7","9","3","1") = "8"
    & skf18("9","1","3","7","9","4","1") = "8"
    & skf18("9","1","3","7","9","5","1") = "8"
    & skf18("9","1","3","7","9","6","1") = "8"
    & skf18("9","1","3","7","9","7","1") = "8"
    & skf18("9","1","3","7","9","8","1") = "8"
    & skf18("9","1","3","7","9","9","1") = "8"
    & skf18("9","1","3","7","9","10","1") = "9"
    & skf18("9","1","3","7","10","1","1") = "9"
    & skf18("9","1","3","7","10","2","1") = "9"
    & skf18("9","1","3","7","10","3","1") = "9"
    & skf18("9","1","3","7","10","4","1") = "9"
    & skf18("9","1","3","7","10","5","1") = "9"
    & skf18("9","1","3","7","10","6","1") = "9"
    & skf18("9","1","3","7","10","7","1") = "9"
    & skf18("9","1","3","7","10","8","1") = "9"
    & skf18("9","1","3","7","10","9","1") = "9"
    & skf18("9","1","3","7","10","10","1") = "9"
    & skf18("9","1","3","8","1","1","1") = "8"
    & skf18("9","1","3","8","1","2","1") = "8"
    & skf18("9","1","3","8","1","3","1") = "8"
    & skf18("9","1","3","8","1","4","1") = "8"
    & skf18("9","1","3","8","1","5","1") = "8"
    & skf18("9","1","3","8","1","6","1") = "8"
    & skf18("9","1","3","8","1","7","1") = "8"
    & skf18("9","1","3","8","1","8","1") = "8"
    & skf18("9","1","3","8","1","9","1") = "8"
    & skf18("9","1","3","8","1","10","1") = "9"
    & skf18("9","1","3","8","2","1","1") = "8"
    & skf18("9","1","3","8","2","2","1") = "8"
    & skf18("9","1","3","8","2","3","1") = "8"
    & skf18("9","1","3","8","2","4","1") = "8"
    & skf18("9","1","3","8","2","5","1") = "8"
    & skf18("9","1","3","8","2","6","1") = "8"
    & skf18("9","1","3","8","2","7","1") = "8"
    & skf18("9","1","3","8","2","8","1") = "8"
    & skf18("9","1","3","8","2","9","1") = "8"
    & skf18("9","1","3","8","2","10","1") = "9"
    & skf18("9","1","3","8","3","1","1") = "8"
    & skf18("9","1","3","8","3","2","1") = "8"
    & skf18("9","1","3","8","3","3","1") = "8"
    & skf18("9","1","3","8","3","4","1") = "8"
    & skf18("9","1","3","8","3","5","1") = "8"
    & skf18("9","1","3","8","3","6","1") = "8"
    & skf18("9","1","3","8","3","7","1") = "8"
    & skf18("9","1","3","8","3","8","1") = "8"
    & skf18("9","1","3","8","3","9","1") = "8"
    & skf18("9","1","3","8","3","10","1") = "9"
    & skf18("9","1","3","8","4","1","1") = "8"
    & skf18("9","1","3","8","4","2","1") = "8"
    & skf18("9","1","3","8","4","3","1") = "8"
    & skf18("9","1","3","8","4","4","1") = "8"
    & skf18("9","1","3","8","4","5","1") = "8"
    & skf18("9","1","3","8","4","6","1") = "8"
    & skf18("9","1","3","8","4","7","1") = "8"
    & skf18("9","1","3","8","4","8","1") = "8"
    & skf18("9","1","3","8","4","9","1") = "8"
    & skf18("9","1","3","8","4","10","1") = "9"
    & skf18("9","1","3","8","5","1","1") = "8"
    & skf18("9","1","3","8","5","2","1") = "8"
    & skf18("9","1","3","8","5","3","1") = "8"
    & skf18("9","1","3","8","5","4","1") = "8"
    & skf18("9","1","3","8","5","5","1") = "8"
    & skf18("9","1","3","8","5","6","1") = "8"
    & skf18("9","1","3","8","5","7","1") = "8"
    & skf18("9","1","3","8","5","8","1") = "8"
    & skf18("9","1","3","8","5","9","1") = "8"
    & skf18("9","1","3","8","5","10","1") = "9"
    & skf18("9","1","3","8","6","1","1") = "8"
    & skf18("9","1","3","8","6","2","1") = "8"
    & skf18("9","1","3","8","6","3","1") = "8"
    & skf18("9","1","3","8","6","4","1") = "8"
    & skf18("9","1","3","8","6","5","1") = "8"
    & skf18("9","1","3","8","6","6","1") = "8"
    & skf18("9","1","3","8","6","7","1") = "8"
    & skf18("9","1","3","8","6","8","1") = "8"
    & skf18("9","1","3","8","6","9","1") = "8"
    & skf18("9","1","3","8","6","10","1") = "9"
    & skf18("9","1","3","8","7","1","1") = "8"
    & skf18("9","1","3","8","7","2","1") = "8"
    & skf18("9","1","3","8","7","3","1") = "8"
    & skf18("9","1","3","8","7","4","1") = "8"
    & skf18("9","1","3","8","7","5","1") = "8"
    & skf18("9","1","3","8","7","6","1") = "8"
    & skf18("9","1","3","8","7","7","1") = "8"
    & skf18("9","1","3","8","7","8","1") = "8"
    & skf18("9","1","3","8","7","9","1") = "8"
    & skf18("9","1","3","8","7","10","1") = "9"
    & skf18("9","1","3","8","8","1","1") = "8"
    & skf18("9","1","3","8","8","2","1") = "8"
    & skf18("9","1","3","8","8","3","1") = "8"
    & skf18("9","1","3","8","8","4","1") = "8"
    & skf18("9","1","3","8","8","5","1") = "8"
    & skf18("9","1","3","8","8","6","1") = "8"
    & skf18("9","1","3","8","8","7","1") = "8"
    & skf18("9","1","3","8","8","8","1") = "8"
    & skf18("9","1","3","8","8","9","1") = "8"
    & skf18("9","1","3","8","8","10","1") = "9"
    & skf18("9","1","3","8","9","1","1") = "8"
    & skf18("9","1","3","8","9","2","1") = "8"
    & skf18("9","1","3","8","9","3","1") = "8"
    & skf18("9","1","3","8","9","4","1") = "8"
    & skf18("9","1","3","8","9","5","1") = "8"
    & skf18("9","1","3","8","9","6","1") = "8"
    & skf18("9","1","3","8","9","7","1") = "8"
    & skf18("9","1","3","8","9","8","1") = "8"
    & skf18("9","1","3","8","9","9","1") = "8"
    & skf18("9","1","3","8","9","10","1") = "9"
    & skf18("9","1","3","8","10","1","1") = "9"
    & skf18("9","1","3","8","10","2","1") = "9"
    & skf18("9","1","3","8","10","3","1") = "9"
    & skf18("9","1","3","8","10","4","1") = "9"
    & skf18("9","1","3","8","10","5","1") = "9"
    & skf18("9","1","3","8","10","6","1") = "9"
    & skf18("9","1","3","8","10","7","1") = "9"
    & skf18("9","1","3","8","10","8","1") = "9"
    & skf18("9","1","3","8","10","9","1") = "9"
    & skf18("9","1","3","8","10","10","1") = "9"
    & skf18("9","1","3","9","1","1","1") = "8"
    & skf18("9","1","3","9","1","2","1") = "8"
    & skf18("9","1","3","9","1","3","1") = "8"
    & skf18("9","1","3","9","1","4","1") = "8"
    & skf18("9","1","3","9","1","5","1") = "8"
    & skf18("9","1","3","9","1","6","1") = "8"
    & skf18("9","1","3","9","1","7","1") = "8"
    & skf18("9","1","3","9","1","8","1") = "8"
    & skf18("9","1","3","9","1","9","1") = "8"
    & skf18("9","1","3","9","1","10","1") = "9"
    & skf18("9","1","3","9","2","1","1") = "8"
    & skf18("9","1","3","9","2","2","1") = "8"
    & skf18("9","1","3","9","2","3","1") = "8"
    & skf18("9","1","3","9","2","4","1") = "8"
    & skf18("9","1","3","9","2","5","1") = "8"
    & skf18("9","1","3","9","2","6","1") = "8"
    & skf18("9","1","3","9","2","7","1") = "8"
    & skf18("9","1","3","9","2","8","1") = "8"
    & skf18("9","1","3","9","2","9","1") = "8"
    & skf18("9","1","3","9","2","10","1") = "9"
    & skf18("9","1","3","9","3","1","1") = "8"
    & skf18("9","1","3","9","3","2","1") = "8"
    & skf18("9","1","3","9","3","3","1") = "8"
    & skf18("9","1","3","9","3","4","1") = "8"
    & skf18("9","1","3","9","3","5","1") = "8"
    & skf18("9","1","3","9","3","6","1") = "8"
    & skf18("9","1","3","9","3","7","1") = "8"
    & skf18("9","1","3","9","3","8","1") = "8"
    & skf18("9","1","3","9","3","9","1") = "8"
    & skf18("9","1","3","9","3","10","1") = "9"
    & skf18("9","1","3","9","4","1","1") = "8"
    & skf18("9","1","3","9","4","2","1") = "8"
    & skf18("9","1","3","9","4","3","1") = "8"
    & skf18("9","1","3","9","4","4","1") = "8"
    & skf18("9","1","3","9","4","5","1") = "8"
    & skf18("9","1","3","9","4","6","1") = "8"
    & skf18("9","1","3","9","4","7","1") = "8"
    & skf18("9","1","3","9","4","8","1") = "8"
    & skf18("9","1","3","9","4","9","1") = "8"
    & skf18("9","1","3","9","4","10","1") = "9"
    & skf18("9","1","3","9","5","1","1") = "8"
    & skf18("9","1","3","9","5","2","1") = "8"
    & skf18("9","1","3","9","5","3","1") = "8"
    & skf18("9","1","3","9","5","4","1") = "8"
    & skf18("9","1","3","9","5","5","1") = "8"
    & skf18("9","1","3","9","5","6","1") = "8"
    & skf18("9","1","3","9","5","7","1") = "8"
    & skf18("9","1","3","9","5","8","1") = "8"
    & skf18("9","1","3","9","5","9","1") = "8"
    & skf18("9","1","3","9","5","10","1") = "9"
    & skf18("9","1","3","9","6","1","1") = "8"
    & skf18("9","1","3","9","6","2","1") = "8"
    & skf18("9","1","3","9","6","3","1") = "8"
    & skf18("9","1","3","9","6","4","1") = "8"
    & skf18("9","1","3","9","6","5","1") = "8"
    & skf18("9","1","3","9","6","6","1") = "8"
    & skf18("9","1","3","9","6","7","1") = "8"
    & skf18("9","1","3","9","6","8","1") = "8"
    & skf18("9","1","3","9","6","9","1") = "8"
    & skf18("9","1","3","9","6","10","1") = "9"
    & skf18("9","1","3","9","7","1","1") = "8"
    & skf18("9","1","3","9","7","2","1") = "8"
    & skf18("9","1","3","9","7","3","1") = "8"
    & skf18("9","1","3","9","7","4","1") = "8"
    & skf18("9","1","3","9","7","5","1") = "8"
    & skf18("9","1","3","9","7","6","1") = "8"
    & skf18("9","1","3","9","7","7","1") = "8"
    & skf18("9","1","3","9","7","8","1") = "8"
    & skf18("9","1","3","9","7","9","1") = "8"
    & skf18("9","1","3","9","7","10","1") = "9"
    & skf18("9","1","3","9","8","1","1") = "8"
    & skf18("9","1","3","9","8","2","1") = "8"
    & skf18("9","1","3","9","8","3","1") = "8"
    & skf18("9","1","3","9","8","4","1") = "8"
    & skf18("9","1","3","9","8","5","1") = "8"
    & skf18("9","1","3","9","8","6","1") = "8"
    & skf18("9","1","3","9","8","7","1") = "8"
    & skf18("9","1","3","9","8","8","1") = "8"
    & skf18("9","1","3","9","8","9","1") = "8"
    & skf18("9","1","3","9","8","10","1") = "9"
    & skf18("9","1","3","9","9","1","1") = "8"
    & skf18("9","1","3","9","9","2","1") = "8"
    & skf18("9","1","3","9","9","3","1") = "8"
    & skf18("9","1","3","9","9","4","1") = "8"
    & skf18("9","1","3","9","9","5","1") = "8"
    & skf18("9","1","3","9","9","6","1") = "8"
    & skf18("9","1","3","9","9","7","1") = "8"
    & skf18("9","1","3","9","9","8","1") = "8"
    & skf18("9","1","3","9","9","9","1") = "8"
    & skf18("9","1","3","9","9","10","1") = "9"
    & skf18("9","1","3","9","10","1","1") = "9"
    & skf18("9","1","3","9","10","2","1") = "9"
    & skf18("9","1","3","9","10","3","1") = "9"
    & skf18("9","1","3","9","10","4","1") = "9"
    & skf18("9","1","3","9","10","5","1") = "9"
    & skf18("9","1","3","9","10","6","1") = "9"
    & skf18("9","1","3","9","10","7","1") = "9"
    & skf18("9","1","3","9","10","8","1") = "9"
    & skf18("9","1","3","9","10","9","1") = "9"
    & skf18("9","1","3","9","10","10","1") = "9"
    & skf18("9","1","3","10","1","1","1") = "9"
    & skf18("9","1","3","10","1","2","1") = "9"
    & skf18("9","1","3","10","1","3","1") = "9"
    & skf18("9","1","3","10","1","4","1") = "9"
    & skf18("9","1","3","10","1","5","1") = "9"
    & skf18("9","1","3","10","1","6","1") = "9"
    & skf18("9","1","3","10","1","7","1") = "9"
    & skf18("9","1","3","10","1","8","1") = "9"
    & skf18("9","1","3","10","1","9","1") = "9"
    & skf18("9","1","3","10","1","10","1") = "9"
    & skf18("9","1","3","10","2","1","1") = "9"
    & skf18("9","1","3","10","2","2","1") = "9"
    & skf18("9","1","3","10","2","3","1") = "9"
    & skf18("9","1","3","10","2","4","1") = "9"
    & skf18("9","1","3","10","2","5","1") = "9"
    & skf18("9","1","3","10","2","6","1") = "9"
    & skf18("9","1","3","10","2","7","1") = "9"
    & skf18("9","1","3","10","2","8","1") = "9"
    & skf18("9","1","3","10","2","9","1") = "9"
    & skf18("9","1","3","10","2","10","1") = "9"
    & skf18("9","1","3","10","3","1","1") = "9"
    & skf18("9","1","3","10","3","2","1") = "9"
    & skf18("9","1","3","10","3","3","1") = "9"
    & skf18("9","1","3","10","3","4","1") = "9"
    & skf18("9","1","3","10","3","5","1") = "9"
    & skf18("9","1","3","10","3","6","1") = "9"
    & skf18("9","1","3","10","3","7","1") = "9"
    & skf18("9","1","3","10","3","8","1") = "9"
    & skf18("9","1","3","10","3","9","1") = "9"
    & skf18("9","1","3","10","3","10","1") = "9"
    & skf18("9","1","3","10","4","1","1") = "9"
    & skf18("9","1","3","10","4","2","1") = "9"
    & skf18("9","1","3","10","4","3","1") = "9"
    & skf18("9","1","3","10","4","4","1") = "9"
    & skf18("9","1","3","10","4","5","1") = "9"
    & skf18("9","1","3","10","4","6","1") = "9"
    & skf18("9","1","3","10","4","7","1") = "9"
    & skf18("9","1","3","10","4","8","1") = "9"
    & skf18("9","1","3","10","4","9","1") = "9"
    & skf18("9","1","3","10","4","10","1") = "9"
    & skf18("9","1","3","10","5","1","1") = "9"
    & skf18("9","1","3","10","5","2","1") = "9"
    & skf18("9","1","3","10","5","3","1") = "9"
    & skf18("9","1","3","10","5","4","1") = "9"
    & skf18("9","1","3","10","5","5","1") = "9"
    & skf18("9","1","3","10","5","6","1") = "9"
    & skf18("9","1","3","10","5","7","1") = "9"
    & skf18("9","1","3","10","5","8","1") = "9"
    & skf18("9","1","3","10","5","9","1") = "9"
    & skf18("9","1","3","10","5","10","1") = "9"
    & skf18("9","1","3","10","6","1","1") = "9"
    & skf18("9","1","3","10","6","2","1") = "9"
    & skf18("9","1","3","10","6","3","1") = "9"
    & skf18("9","1","3","10","6","4","1") = "9"
    & skf18("9","1","3","10","6","5","1") = "9"
    & skf18("9","1","3","10","6","6","1") = "9"
    & skf18("9","1","3","10","6","7","1") = "9"
    & skf18("9","1","3","10","6","8","1") = "9"
    & skf18("9","1","3","10","6","9","1") = "9"
    & skf18("9","1","3","10","6","10","1") = "9"
    & skf18("9","1","3","10","7","1","1") = "9"
    & skf18("9","1","3","10","7","2","1") = "9"
    & skf18("9","1","3","10","7","3","1") = "9"
    & skf18("9","1","3","10","7","4","1") = "9"
    & skf18("9","1","3","10","7","5","1") = "9"
    & skf18("9","1","3","10","7","6","1") = "9"
    & skf18("9","1","3","10","7","7","1") = "9"
    & skf18("9","1","3","10","7","8","1") = "9"
    & skf18("9","1","3","10","7","9","1") = "9"
    & skf18("9","1","3","10","7","10","1") = "9"
    & skf18("9","1","3","10","8","1","1") = "9"
    & skf18("9","1","3","10","8","2","1") = "9"
    & skf18("9","1","3","10","8","3","1") = "9"
    & skf18("9","1","3","10","8","4","1") = "9"
    & skf18("9","1","3","10","8","5","1") = "9"
    & skf18("9","1","3","10","8","6","1") = "9"
    & skf18("9","1","3","10","8","7","1") = "9"
    & skf18("9","1","3","10","8","8","1") = "9"
    & skf18("9","1","3","10","8","9","1") = "9"
    & skf18("9","1","3","10","8","10","1") = "9"
    & skf18("9","1","3","10","9","1","1") = "9"
    & skf18("9","1","3","10","9","2","1") = "9"
    & skf18("9","1","3","10","9","3","1") = "9"
    & skf18("9","1","3","10","9","4","1") = "9"
    & skf18("9","1","3","10","9","5","1") = "9"
    & skf18("9","1","3","10","9","6","1") = "9"
    & skf18("9","1","3","10","9","7","1") = "9"
    & skf18("9","1","3","10","9","8","1") = "9"
    & skf18("9","1","3","10","9","9","1") = "9"
    & skf18("9","1","3","10","9","10","1") = "9"
    & skf18("9","1","3","10","10","1","1") = "9"
    & skf18("9","1","3","10","10","2","1") = "9"
    & skf18("9","1","3","10","10","3","1") = "9"
    & skf18("9","1","3","10","10","4","1") = "9"
    & skf18("9","1","3","10","10","5","1") = "9"
    & skf18("9","1","3","10","10","6","1") = "9"
    & skf18("9","1","3","10","10","7","1") = "9"
    & skf18("9","1","3","10","10","8","1") = "9"
    & skf18("9","1","3","10","10","9","1") = "9"
    & skf18("9","1","3","10","10","10","1") = "9"
    & skf18("9","1","4","1","1","1","1") = "8"
    & skf18("9","1","4","1","1","2","1") = "8"
    & skf18("9","1","4","1","1","3","1") = "8"
    & skf18("9","1","4","1","1","4","1") = "8"
    & skf18("9","1","4","1","1","5","1") = "8"
    & skf18("9","1","4","1","1","6","1") = "8"
    & skf18("9","1","4","1","1","7","1") = "8"
    & skf18("9","1","4","1","1","8","1") = "8"
    & skf18("9","1","4","1","1","9","1") = "8"
    & skf18("9","1","4","1","1","10","1") = "9"
    & skf18("9","1","4","1","2","1","1") = "8"
    & skf18("9","1","4","1","2","2","1") = "8"
    & skf18("9","1","4","1","2","3","1") = "8"
    & skf18("9","1","4","1","2","4","1") = "8"
    & skf18("9","1","4","1","2","5","1") = "8"
    & skf18("9","1","4","1","2","6","1") = "8"
    & skf18("9","1","4","1","2","7","1") = "8"
    & skf18("9","1","4","1","2","8","1") = "8"
    & skf18("9","1","4","1","2","9","1") = "8"
    & skf18("9","1","4","1","2","10","1") = "9"
    & skf18("9","1","4","1","3","1","1") = "8"
    & skf18("9","1","4","1","3","2","1") = "8"
    & skf18("9","1","4","1","3","3","1") = "8"
    & skf18("9","1","4","1","3","4","1") = "8"
    & skf18("9","1","4","1","3","5","1") = "8"
    & skf18("9","1","4","1","3","6","1") = "8"
    & skf18("9","1","4","1","3","7","1") = "8"
    & skf18("9","1","4","1","3","8","1") = "8"
    & skf18("9","1","4","1","3","9","1") = "8"
    & skf18("9","1","4","1","3","10","1") = "9"
    & skf18("9","1","4","1","4","1","1") = "8"
    & skf18("9","1","4","1","4","2","1") = "8"
    & skf18("9","1","4","1","4","3","1") = "8"
    & skf18("9","1","4","1","4","4","1") = "8"
    & skf18("9","1","4","1","4","5","1") = "8"
    & skf18("9","1","4","1","4","6","1") = "8"
    & skf18("9","1","4","1","4","7","1") = "8"
    & skf18("9","1","4","1","4","8","1") = "8"
    & skf18("9","1","4","1","4","9","1") = "8"
    & skf18("9","1","4","1","4","10","1") = "9"
    & skf18("9","1","4","1","5","1","1") = "8"
    & skf18("9","1","4","1","5","2","1") = "8"
    & skf18("9","1","4","1","5","3","1") = "8"
    & skf18("9","1","4","1","5","4","1") = "8"
    & skf18("9","1","4","1","5","5","1") = "8"
    & skf18("9","1","4","1","5","6","1") = "8"
    & skf18("9","1","4","1","5","7","1") = "8"
    & skf18("9","1","4","1","5","8","1") = "8"
    & skf18("9","1","4","1","5","9","1") = "8"
    & skf18("9","1","4","1","5","10","1") = "9"
    & skf18("9","1","4","1","6","1","1") = "8"
    & skf18("9","1","4","1","6","2","1") = "8"
    & skf18("9","1","4","1","6","3","1") = "8"
    & skf18("9","1","4","1","6","4","1") = "8"
    & skf18("9","1","4","1","6","5","1") = "8"
    & skf18("9","1","4","1","6","6","1") = "8"
    & skf18("9","1","4","1","6","7","1") = "8"
    & skf18("9","1","4","1","6","8","1") = "8"
    & skf18("9","1","4","1","6","9","1") = "8"
    & skf18("9","1","4","1","6","10","1") = "9"
    & skf18("9","1","4","1","7","1","1") = "8"
    & skf18("9","1","4","1","7","2","1") = "8"
    & skf18("9","1","4","1","7","3","1") = "8"
    & skf18("9","1","4","1","7","4","1") = "8"
    & skf18("9","1","4","1","7","5","1") = "8"
    & skf18("9","1","4","1","7","6","1") = "8"
    & skf18("9","1","4","1","7","7","1") = "8"
    & skf18("9","1","4","1","7","8","1") = "8"
    & skf18("9","1","4","1","7","9","1") = "8"
    & skf18("9","1","4","1","7","10","1") = "9"
    & skf18("9","1","4","1","8","1","1") = "8"
    & skf18("9","1","4","1","8","2","1") = "8"
    & skf18("9","1","4","1","8","3","1") = "8"
    & skf18("9","1","4","1","8","4","1") = "8"
    & skf18("9","1","4","1","8","5","1") = "8"
    & skf18("9","1","4","1","8","6","1") = "8"
    & skf18("9","1","4","1","8","7","1") = "8"
    & skf18("9","1","4","1","8","8","1") = "8"
    & skf18("9","1","4","1","8","9","1") = "8"
    & skf18("9","1","4","1","8","10","1") = "9"
    & skf18("9","1","4","1","9","1","1") = "8"
    & skf18("9","1","4","1","9","2","1") = "8"
    & skf18("9","1","4","1","9","3","1") = "8"
    & skf18("9","1","4","1","9","4","1") = "8"
    & skf18("9","1","4","1","9","5","1") = "8"
    & skf18("9","1","4","1","9","6","1") = "8"
    & skf18("9","1","4","1","9","7","1") = "8"
    & skf18("9","1","4","1","9","8","1") = "8"
    & skf18("9","1","4","1","9","9","1") = "8"
    & skf18("9","1","4","1","9","10","1") = "9"
    & skf18("9","1","4","1","10","1","1") = "9"
    & skf18("9","1","4","1","10","2","1") = "9"
    & skf18("9","1","4","1","10","3","1") = "9"
    & skf18("9","1","4","1","10","4","1") = "9"
    & skf18("9","1","4","1","10","5","1") = "9"
    & skf18("9","1","4","1","10","6","1") = "9"
    & skf18("9","1","4","1","10","7","1") = "9"
    & skf18("9","1","4","1","10","8","1") = "9"
    & skf18("9","1","4","1","10","9","1") = "9"
    & skf18("9","1","4","1","10","10","1") = "9"
    & skf18("9","1","4","2","1","1","1") = "8"
    & skf18("9","1","4","2","1","2","1") = "8"
    & skf18("9","1","4","2","1","3","1") = "8"
    & skf18("9","1","4","2","1","4","1") = "8"
    & skf18("9","1","4","2","1","5","1") = "8"
    & skf18("9","1","4","2","1","6","1") = "8"
    & skf18("9","1","4","2","1","7","1") = "8"
    & skf18("9","1","4","2","1","8","1") = "8"
    & skf18("9","1","4","2","1","9","1") = "8"
    & skf18("9","1","4","2","1","10","1") = "9"
    & skf18("9","1","4","2","2","1","1") = "8"
    & skf18("9","1","4","2","2","2","1") = "8"
    & skf18("9","1","4","2","2","3","1") = "8"
    & skf18("9","1","4","2","2","4","1") = "8"
    & skf18("9","1","4","2","2","5","1") = "8"
    & skf18("9","1","4","2","2","6","1") = "8"
    & skf18("9","1","4","2","2","7","1") = "8"
    & skf18("9","1","4","2","2","8","1") = "8"
    & skf18("9","1","4","2","2","9","1") = "8"
    & skf18("9","1","4","2","2","10","1") = "9"
    & skf18("9","1","4","2","3","1","1") = "8"
    & skf18("9","1","4","2","3","2","1") = "8"
    & skf18("9","1","4","2","3","3","1") = "8"
    & skf18("9","1","4","2","3","4","1") = "8"
    & skf18("9","1","4","2","3","5","1") = "8"
    & skf18("9","1","4","2","3","6","1") = "8"
    & skf18("9","1","4","2","3","7","1") = "8"
    & skf18("9","1","4","2","3","8","1") = "8"
    & skf18("9","1","4","2","3","9","1") = "8"
    & skf18("9","1","4","2","3","10","1") = "9"
    & skf18("9","1","4","2","4","1","1") = "8"
    & skf18("9","1","4","2","4","2","1") = "8"
    & skf18("9","1","4","2","4","3","1") = "8"
    & skf18("9","1","4","2","4","4","1") = "8"
    & skf18("9","1","4","2","4","5","1") = "8"
    & skf18("9","1","4","2","4","6","1") = "8"
    & skf18("9","1","4","2","4","7","1") = "8"
    & skf18("9","1","4","2","4","8","1") = "8"
    & skf18("9","1","4","2","4","9","1") = "8"
    & skf18("9","1","4","2","4","10","1") = "9"
    & skf18("9","1","4","2","5","1","1") = "8"
    & skf18("9","1","4","2","5","2","1") = "8"
    & skf18("9","1","4","2","5","3","1") = "8"
    & skf18("9","1","4","2","5","4","1") = "8"
    & skf18("9","1","4","2","5","5","1") = "8"
    & skf18("9","1","4","2","5","6","1") = "8"
    & skf18("9","1","4","2","5","7","1") = "8"
    & skf18("9","1","4","2","5","8","1") = "8"
    & skf18("9","1","4","2","5","9","1") = "8"
    & skf18("9","1","4","2","5","10","1") = "9"
    & skf18("9","1","4","2","6","1","1") = "8"
    & skf18("9","1","4","2","6","2","1") = "8"
    & skf18("9","1","4","2","6","3","1") = "8"
    & skf18("9","1","4","2","6","4","1") = "8"
    & skf18("9","1","4","2","6","5","1") = "8"
    & skf18("9","1","4","2","6","6","1") = "8"
    & skf18("9","1","4","2","6","7","1") = "8"
    & skf18("9","1","4","2","6","8","1") = "8"
    & skf18("9","1","4","2","6","9","1") = "8"
    & skf18("9","1","4","2","6","10","1") = "9"
    & skf18("9","1","4","2","7","1","1") = "8"
    & skf18("9","1","4","2","7","2","1") = "8"
    & skf18("9","1","4","2","7","3","1") = "8"
    & skf18("9","1","4","2","7","4","1") = "8"
    & skf18("9","1","4","2","7","5","1") = "8"
    & skf18("9","1","4","2","7","6","1") = "8"
    & skf18("9","1","4","2","7","7","1") = "8"
    & skf18("9","1","4","2","7","8","1") = "8"
    & skf18("9","1","4","2","7","9","1") = "8"
    & skf18("9","1","4","2","7","10","1") = "9"
    & skf18("9","1","4","2","8","1","1") = "8"
    & skf18("9","1","4","2","8","2","1") = "8"
    & skf18("9","1","4","2","8","3","1") = "8"
    & skf18("9","1","4","2","8","4","1") = "8"
    & skf18("9","1","4","2","8","5","1") = "8"
    & skf18("9","1","4","2","8","6","1") = "8"
    & skf18("9","1","4","2","8","7","1") = "8"
    & skf18("9","1","4","2","8","8","1") = "8"
    & skf18("9","1","4","2","8","9","1") = "8"
    & skf18("9","1","4","2","8","10","1") = "9"
    & skf18("9","1","4","2","9","1","1") = "8"
    & skf18("9","1","4","2","9","2","1") = "8"
    & skf18("9","1","4","2","9","3","1") = "8"
    & skf18("9","1","4","2","9","4","1") = "8"
    & skf18("9","1","4","2","9","5","1") = "8"
    & skf18("9","1","4","2","9","6","1") = "8"
    & skf18("9","1","4","2","9","7","1") = "8"
    & skf18("9","1","4","2","9","8","1") = "8"
    & skf18("9","1","4","2","9","9","1") = "8"
    & skf18("9","1","4","2","9","10","1") = "9"
    & skf18("9","1","4","2","10","1","1") = "9"
    & skf18("9","1","4","2","10","2","1") = "9"
    & skf18("9","1","4","2","10","3","1") = "9"
    & skf18("9","1","4","2","10","4","1") = "9"
    & skf18("9","1","4","2","10","5","1") = "9"
    & skf18("9","1","4","2","10","6","1") = "9"
    & skf18("9","1","4","2","10","7","1") = "9"
    & skf18("9","1","4","2","10","8","1") = "9"
    & skf18("9","1","4","2","10","9","1") = "9"
    & skf18("9","1","4","2","10","10","1") = "9"
    & skf18("9","1","4","3","1","1","1") = "8"
    & skf18("9","1","4","3","1","2","1") = "8"
    & skf18("9","1","4","3","1","3","1") = "8"
    & skf18("9","1","4","3","1","4","1") = "8"
    & skf18("9","1","4","3","1","5","1") = "8"
    & skf18("9","1","4","3","1","6","1") = "8"
    & skf18("9","1","4","3","1","7","1") = "8"
    & skf18("9","1","4","3","1","8","1") = "8"
    & skf18("9","1","4","3","1","9","1") = "8"
    & skf18("9","1","4","3","1","10","1") = "9"
    & skf18("9","1","4","3","2","1","1") = "8"
    & skf18("9","1","4","3","2","2","1") = "8"
    & skf18("9","1","4","3","2","3","1") = "8"
    & skf18("9","1","4","3","2","4","1") = "8"
    & skf18("9","1","4","3","2","5","1") = "8"
    & skf18("9","1","4","3","2","6","1") = "8"
    & skf18("9","1","4","3","2","7","1") = "8"
    & skf18("9","1","4","3","2","8","1") = "8"
    & skf18("9","1","4","3","2","9","1") = "8"
    & skf18("9","1","4","3","2","10","1") = "9"
    & skf18("9","1","4","3","3","1","1") = "8"
    & skf18("9","1","4","3","3","2","1") = "8"
    & skf18("9","1","4","3","3","3","1") = "8"
    & skf18("9","1","4","3","3","4","1") = "8"
    & skf18("9","1","4","3","3","5","1") = "8"
    & skf18("9","1","4","3","3","6","1") = "8"
    & skf18("9","1","4","3","3","7","1") = "8"
    & skf18("9","1","4","3","3","8","1") = "8"
    & skf18("9","1","4","3","3","9","1") = "8"
    & skf18("9","1","4","3","3","10","1") = "9"
    & skf18("9","1","4","3","4","1","1") = "8"
    & skf18("9","1","4","3","4","2","1") = "8"
    & skf18("9","1","4","3","4","3","1") = "8"
    & skf18("9","1","4","3","4","4","1") = "8"
    & skf18("9","1","4","3","4","5","1") = "8"
    & skf18("9","1","4","3","4","6","1") = "8"
    & skf18("9","1","4","3","4","7","1") = "8"
    & skf18("9","1","4","3","4","8","1") = "8"
    & skf18("9","1","4","3","4","9","1") = "8"
    & skf18("9","1","4","3","4","10","1") = "9"
    & skf18("9","1","4","3","5","1","1") = "8"
    & skf18("9","1","4","3","5","2","1") = "8"
    & skf18("9","1","4","3","5","3","1") = "8"
    & skf18("9","1","4","3","5","4","1") = "8"
    & skf18("9","1","4","3","5","5","1") = "8"
    & skf18("9","1","4","3","5","6","1") = "8"
    & skf18("9","1","4","3","5","7","1") = "8"
    & skf18("9","1","4","3","5","8","1") = "8"
    & skf18("9","1","4","3","5","9","1") = "8"
    & skf18("9","1","4","3","5","10","1") = "9"
    & skf18("9","1","4","3","6","1","1") = "8"
    & skf18("9","1","4","3","6","2","1") = "8"
    & skf18("9","1","4","3","6","3","1") = "8"
    & skf18("9","1","4","3","6","4","1") = "8"
    & skf18("9","1","4","3","6","5","1") = "8"
    & skf18("9","1","4","3","6","6","1") = "8"
    & skf18("9","1","4","3","6","7","1") = "8"
    & skf18("9","1","4","3","6","8","1") = "8"
    & skf18("9","1","4","3","6","9","1") = "8"
    & skf18("9","1","4","3","6","10","1") = "9"
    & skf18("9","1","4","3","7","1","1") = "8"
    & skf18("9","1","4","3","7","2","1") = "8"
    & skf18("9","1","4","3","7","3","1") = "8"
    & skf18("9","1","4","3","7","4","1") = "8"
    & skf18("9","1","4","3","7","5","1") = "8"
    & skf18("9","1","4","3","7","6","1") = "8"
    & skf18("9","1","4","3","7","7","1") = "8"
    & skf18("9","1","4","3","7","8","1") = "8"
    & skf18("9","1","4","3","7","9","1") = "8"
    & skf18("9","1","4","3","7","10","1") = "9"
    & skf18("9","1","4","3","8","1","1") = "8"
    & skf18("9","1","4","3","8","2","1") = "8"
    & skf18("9","1","4","3","8","3","1") = "8"
    & skf18("9","1","4","3","8","4","1") = "8"
    & skf18("9","1","4","3","8","5","1") = "8"
    & skf18("9","1","4","3","8","6","1") = "8"
    & skf18("9","1","4","3","8","7","1") = "8"
    & skf18("9","1","4","3","8","8","1") = "8"
    & skf18("9","1","4","3","8","9","1") = "8"
    & skf18("9","1","4","3","8","10","1") = "9"
    & skf18("9","1","4","3","9","1","1") = "8"
    & skf18("9","1","4","3","9","2","1") = "8"
    & skf18("9","1","4","3","9","3","1") = "8"
    & skf18("9","1","4","3","9","4","1") = "8"
    & skf18("9","1","4","3","9","5","1") = "8"
    & skf18("9","1","4","3","9","6","1") = "8"
    & skf18("9","1","4","3","9","7","1") = "8"
    & skf18("9","1","4","3","9","8","1") = "8"
    & skf18("9","1","4","3","9","9","1") = "8"
    & skf18("9","1","4","3","9","10","1") = "9"
    & skf18("9","1","4","3","10","1","1") = "9"
    & skf18("9","1","4","3","10","2","1") = "9"
    & skf18("9","1","4","3","10","3","1") = "9"
    & skf18("9","1","4","3","10","4","1") = "9"
    & skf18("9","1","4","3","10","5","1") = "9"
    & skf18("9","1","4","3","10","6","1") = "9"
    & skf18("9","1","4","3","10","7","1") = "9"
    & skf18("9","1","4","3","10","8","1") = "9"
    & skf18("9","1","4","3","10","9","1") = "9"
    & skf18("9","1","4","3","10","10","1") = "9"
    & skf18("9","1","4","4","1","1","1") = "8"
    & skf18("9","1","4","4","1","2","1") = "8"
    & skf18("9","1","4","4","1","3","1") = "8"
    & skf18("9","1","4","4","1","4","1") = "8"
    & skf18("9","1","4","4","1","5","1") = "8"
    & skf18("9","1","4","4","1","6","1") = "8"
    & skf18("9","1","4","4","1","7","1") = "8"
    & skf18("9","1","4","4","1","8","1") = "8"
    & skf18("9","1","4","4","1","9","1") = "8"
    & skf18("9","1","4","4","1","10","1") = "9"
    & skf18("9","1","4","4","2","1","1") = "8"
    & skf18("9","1","4","4","2","2","1") = "8"
    & skf18("9","1","4","4","2","3","1") = "8"
    & skf18("9","1","4","4","2","4","1") = "8"
    & skf18("9","1","4","4","2","5","1") = "8"
    & skf18("9","1","4","4","2","6","1") = "8"
    & skf18("9","1","4","4","2","7","1") = "8"
    & skf18("9","1","4","4","2","8","1") = "8"
    & skf18("9","1","4","4","2","9","1") = "8"
    & skf18("9","1","4","4","2","10","1") = "9"
    & skf18("9","1","4","4","3","1","1") = "8"
    & skf18("9","1","4","4","3","2","1") = "8"
    & skf18("9","1","4","4","3","3","1") = "8"
    & skf18("9","1","4","4","3","4","1") = "8"
    & skf18("9","1","4","4","3","5","1") = "8"
    & skf18("9","1","4","4","3","6","1") = "8"
    & skf18("9","1","4","4","3","7","1") = "8"
    & skf18("9","1","4","4","3","8","1") = "8"
    & skf18("9","1","4","4","3","9","1") = "8"
    & skf18("9","1","4","4","3","10","1") = "9"
    & skf18("9","1","4","4","4","1","1") = "8"
    & skf18("9","1","4","4","4","2","1") = "8"
    & skf18("9","1","4","4","4","3","1") = "8"
    & skf18("9","1","4","4","4","4","1") = "8"
    & skf18("9","1","4","4","4","5","1") = "8"
    & skf18("9","1","4","4","4","6","1") = "8"
    & skf18("9","1","4","4","4","7","1") = "8"
    & skf18("9","1","4","4","4","8","1") = "8"
    & skf18("9","1","4","4","4","9","1") = "8"
    & skf18("9","1","4","4","4","10","1") = "9"
    & skf18("9","1","4","4","5","1","1") = "8"
    & skf18("9","1","4","4","5","2","1") = "8"
    & skf18("9","1","4","4","5","3","1") = "8"
    & skf18("9","1","4","4","5","4","1") = "8"
    & skf18("9","1","4","4","5","5","1") = "8"
    & skf18("9","1","4","4","5","6","1") = "8"
    & skf18("9","1","4","4","5","7","1") = "8"
    & skf18("9","1","4","4","5","8","1") = "8"
    & skf18("9","1","4","4","5","9","1") = "8"
    & skf18("9","1","4","4","5","10","1") = "9"
    & skf18("9","1","4","4","6","1","1") = "8"
    & skf18("9","1","4","4","6","2","1") = "8"
    & skf18("9","1","4","4","6","3","1") = "8"
    & skf18("9","1","4","4","6","4","1") = "8"
    & skf18("9","1","4","4","6","5","1") = "8"
    & skf18("9","1","4","4","6","6","1") = "8"
    & skf18("9","1","4","4","6","7","1") = "8"
    & skf18("9","1","4","4","6","8","1") = "8"
    & skf18("9","1","4","4","6","9","1") = "8"
    & skf18("9","1","4","4","6","10","1") = "9"
    & skf18("9","1","4","4","7","1","1") = "8"
    & skf18("9","1","4","4","7","2","1") = "8"
    & skf18("9","1","4","4","7","3","1") = "8"
    & skf18("9","1","4","4","7","4","1") = "8"
    & skf18("9","1","4","4","7","5","1") = "8"
    & skf18("9","1","4","4","7","6","1") = "8"
    & skf18("9","1","4","4","7","7","1") = "8"
    & skf18("9","1","4","4","7","8","1") = "8"
    & skf18("9","1","4","4","7","9","1") = "8"
    & skf18("9","1","4","4","7","10","1") = "9"
    & skf18("9","1","4","4","8","1","1") = "8"
    & skf18("9","1","4","4","8","2","1") = "8"
    & skf18("9","1","4","4","8","3","1") = "8"
    & skf18("9","1","4","4","8","4","1") = "8"
    & skf18("9","1","4","4","8","5","1") = "8"
    & skf18("9","1","4","4","8","6","1") = "8"
    & skf18("9","1","4","4","8","7","1") = "8"
    & skf18("9","1","4","4","8","8","1") = "8"
    & skf18("9","1","4","4","8","9","1") = "8"
    & skf18("9","1","4","4","8","10","1") = "9"
    & skf18("9","1","4","4","9","1","1") = "8"
    & skf18("9","1","4","4","9","2","1") = "8"
    & skf18("9","1","4","4","9","3","1") = "8"
    & skf18("9","1","4","4","9","4","1") = "8"
    & skf18("9","1","4","4","9","5","1") = "8"
    & skf18("9","1","4","4","9","6","1") = "8"
    & skf18("9","1","4","4","9","7","1") = "8"
    & skf18("9","1","4","4","9","8","1") = "8"
    & skf18("9","1","4","4","9","9","1") = "8"
    & skf18("9","1","4","4","9","10","1") = "9"
    & skf18("9","1","4","4","10","1","1") = "9"
    & skf18("9","1","4","4","10","2","1") = "9"
    & skf18("9","1","4","4","10","3","1") = "9"
    & skf18("9","1","4","4","10","4","1") = "9"
    & skf18("9","1","4","4","10","5","1") = "9"
    & skf18("9","1","4","4","10","6","1") = "9"
    & skf18("9","1","4","4","10","7","1") = "9"
    & skf18("9","1","4","4","10","8","1") = "9"
    & skf18("9","1","4","4","10","9","1") = "9"
    & skf18("9","1","4","4","10","10","1") = "9"
    & skf18("9","1","4","5","1","1","1") = "8"
    & skf18("9","1","4","5","1","2","1") = "8"
    & skf18("9","1","4","5","1","3","1") = "8"
    & skf18("9","1","4","5","1","4","1") = "8"
    & skf18("9","1","4","5","1","5","1") = "8"
    & skf18("9","1","4","5","1","6","1") = "8"
    & skf18("9","1","4","5","1","7","1") = "8"
    & skf18("9","1","4","5","1","8","1") = "8"
    & skf18("9","1","4","5","1","9","1") = "8"
    & skf18("9","1","4","5","1","10","1") = "9"
    & skf18("9","1","4","5","2","1","1") = "8"
    & skf18("9","1","4","5","2","2","1") = "8"
    & skf18("9","1","4","5","2","3","1") = "8"
    & skf18("9","1","4","5","2","4","1") = "8"
    & skf18("9","1","4","5","2","5","1") = "8"
    & skf18("9","1","4","5","2","6","1") = "8"
    & skf18("9","1","4","5","2","7","1") = "8"
    & skf18("9","1","4","5","2","8","1") = "8"
    & skf18("9","1","4","5","2","9","1") = "8"
    & skf18("9","1","4","5","2","10","1") = "9"
    & skf18("9","1","4","5","3","1","1") = "8"
    & skf18("9","1","4","5","3","2","1") = "8"
    & skf18("9","1","4","5","3","3","1") = "8"
    & skf18("9","1","4","5","3","4","1") = "8"
    & skf18("9","1","4","5","3","5","1") = "8"
    & skf18("9","1","4","5","3","6","1") = "8"
    & skf18("9","1","4","5","3","7","1") = "8"
    & skf18("9","1","4","5","3","8","1") = "8"
    & skf18("9","1","4","5","3","9","1") = "8"
    & skf18("9","1","4","5","3","10","1") = "9"
    & skf18("9","1","4","5","4","1","1") = "8"
    & skf18("9","1","4","5","4","2","1") = "8"
    & skf18("9","1","4","5","4","3","1") = "8"
    & skf18("9","1","4","5","4","4","1") = "8"
    & skf18("9","1","4","5","4","5","1") = "8"
    & skf18("9","1","4","5","4","6","1") = "8"
    & skf18("9","1","4","5","4","7","1") = "8"
    & skf18("9","1","4","5","4","8","1") = "8"
    & skf18("9","1","4","5","4","9","1") = "8"
    & skf18("9","1","4","5","4","10","1") = "9"
    & skf18("9","1","4","5","5","1","1") = "8"
    & skf18("9","1","4","5","5","2","1") = "8"
    & skf18("9","1","4","5","5","3","1") = "8"
    & skf18("9","1","4","5","5","4","1") = "8"
    & skf18("9","1","4","5","5","5","1") = "8"
    & skf18("9","1","4","5","5","6","1") = "8"
    & skf18("9","1","4","5","5","7","1") = "8"
    & skf18("9","1","4","5","5","8","1") = "8"
    & skf18("9","1","4","5","5","9","1") = "8"
    & skf18("9","1","4","5","5","10","1") = "9"
    & skf18("9","1","4","5","6","1","1") = "8"
    & skf18("9","1","4","5","6","2","1") = "8"
    & skf18("9","1","4","5","6","3","1") = "8"
    & skf18("9","1","4","5","6","4","1") = "8"
    & skf18("9","1","4","5","6","5","1") = "8"
    & skf18("9","1","4","5","6","6","1") = "8"
    & skf18("9","1","4","5","6","7","1") = "8"
    & skf18("9","1","4","5","6","8","1") = "8"
    & skf18("9","1","4","5","6","9","1") = "8"
    & skf18("9","1","4","5","6","10","1") = "9"
    & skf18("9","1","4","5","7","1","1") = "8"
    & skf18("9","1","4","5","7","2","1") = "8"
    & skf18("9","1","4","5","7","3","1") = "8"
    & skf18("9","1","4","5","7","4","1") = "8"
    & skf18("9","1","4","5","7","5","1") = "8"
    & skf18("9","1","4","5","7","6","1") = "8"
    & skf18("9","1","4","5","7","7","1") = "8"
    & skf18("9","1","4","5","7","8","1") = "8"
    & skf18("9","1","4","5","7","9","1") = "8"
    & skf18("9","1","4","5","7","10","1") = "9"
    & skf18("9","1","4","5","8","1","1") = "8"
    & skf18("9","1","4","5","8","2","1") = "8"
    & skf18("9","1","4","5","8","3","1") = "8"
    & skf18("9","1","4","5","8","4","1") = "8"
    & skf18("9","1","4","5","8","5","1") = "8"
    & skf18("9","1","4","5","8","6","1") = "8"
    & skf18("9","1","4","5","8","7","1") = "8"
    & skf18("9","1","4","5","8","8","1") = "8"
    & skf18("9","1","4","5","8","9","1") = "8"
    & skf18("9","1","4","5","8","10","1") = "9"
    & skf18("9","1","4","5","9","1","1") = "8"
    & skf18("9","1","4","5","9","2","1") = "8"
    & skf18("9","1","4","5","9","3","1") = "8"
    & skf18("9","1","4","5","9","4","1") = "8"
    & skf18("9","1","4","5","9","5","1") = "8"
    & skf18("9","1","4","5","9","6","1") = "8"
    & skf18("9","1","4","5","9","7","1") = "8"
    & skf18("9","1","4","5","9","8","1") = "8"
    & skf18("9","1","4","5","9","9","1") = "8"
    & skf18("9","1","4","5","9","10","1") = "9"
    & skf18("9","1","4","5","10","1","1") = "9"
    & skf18("9","1","4","5","10","2","1") = "9"
    & skf18("9","1","4","5","10","3","1") = "9"
    & skf18("9","1","4","5","10","4","1") = "9"
    & skf18("9","1","4","5","10","5","1") = "9"
    & skf18("9","1","4","5","10","6","1") = "9"
    & skf18("9","1","4","5","10","7","1") = "9"
    & skf18("9","1","4","5","10","8","1") = "9"
    & skf18("9","1","4","5","10","9","1") = "9"
    & skf18("9","1","4","5","10","10","1") = "9"
    & skf18("9","1","4","6","1","1","1") = "8"
    & skf18("9","1","4","6","1","2","1") = "8"
    & skf18("9","1","4","6","1","3","1") = "8"
    & skf18("9","1","4","6","1","4","1") = "8"
    & skf18("9","1","4","6","1","5","1") = "8"
    & skf18("9","1","4","6","1","6","1") = "8"
    & skf18("9","1","4","6","1","7","1") = "8"
    & skf18("9","1","4","6","1","8","1") = "8"
    & skf18("9","1","4","6","1","9","1") = "8"
    & skf18("9","1","4","6","1","10","1") = "9"
    & skf18("9","1","4","6","2","1","1") = "8"
    & skf18("9","1","4","6","2","2","1") = "8"
    & skf18("9","1","4","6","2","3","1") = "8"
    & skf18("9","1","4","6","2","4","1") = "8"
    & skf18("9","1","4","6","2","5","1") = "8"
    & skf18("9","1","4","6","2","6","1") = "8"
    & skf18("9","1","4","6","2","7","1") = "8"
    & skf18("9","1","4","6","2","8","1") = "8"
    & skf18("9","1","4","6","2","9","1") = "8"
    & skf18("9","1","4","6","2","10","1") = "9"
    & skf18("9","1","4","6","3","1","1") = "8"
    & skf18("9","1","4","6","3","2","1") = "8"
    & skf18("9","1","4","6","3","3","1") = "8"
    & skf18("9","1","4","6","3","4","1") = "8"
    & skf18("9","1","4","6","3","5","1") = "8"
    & skf18("9","1","4","6","3","6","1") = "8"
    & skf18("9","1","4","6","3","7","1") = "8"
    & skf18("9","1","4","6","3","8","1") = "8"
    & skf18("9","1","4","6","3","9","1") = "8"
    & skf18("9","1","4","6","3","10","1") = "9"
    & skf18("9","1","4","6","4","1","1") = "8"
    & skf18("9","1","4","6","4","2","1") = "8"
    & skf18("9","1","4","6","4","3","1") = "8"
    & skf18("9","1","4","6","4","4","1") = "8"
    & skf18("9","1","4","6","4","5","1") = "8"
    & skf18("9","1","4","6","4","6","1") = "8"
    & skf18("9","1","4","6","4","7","1") = "8"
    & skf18("9","1","4","6","4","8","1") = "8"
    & skf18("9","1","4","6","4","9","1") = "8"
    & skf18("9","1","4","6","4","10","1") = "9"
    & skf18("9","1","4","6","5","1","1") = "8"
    & skf18("9","1","4","6","5","2","1") = "8"
    & skf18("9","1","4","6","5","3","1") = "8"
    & skf18("9","1","4","6","5","4","1") = "8"
    & skf18("9","1","4","6","5","5","1") = "8"
    & skf18("9","1","4","6","5","6","1") = "8"
    & skf18("9","1","4","6","5","7","1") = "8"
    & skf18("9","1","4","6","5","8","1") = "8"
    & skf18("9","1","4","6","5","9","1") = "8"
    & skf18("9","1","4","6","5","10","1") = "9"
    & skf18("9","1","4","6","6","1","1") = "8"
    & skf18("9","1","4","6","6","2","1") = "8"
    & skf18("9","1","4","6","6","3","1") = "8"
    & skf18("9","1","4","6","6","4","1") = "8"
    & skf18("9","1","4","6","6","5","1") = "8"
    & skf18("9","1","4","6","6","6","1") = "8"
    & skf18("9","1","4","6","6","7","1") = "8"
    & skf18("9","1","4","6","6","8","1") = "8"
    & skf18("9","1","4","6","6","9","1") = "8"
    & skf18("9","1","4","6","6","10","1") = "9"
    & skf18("9","1","4","6","7","1","1") = "8"
    & skf18("9","1","4","6","7","2","1") = "8"
    & skf18("9","1","4","6","7","3","1") = "8"
    & skf18("9","1","4","6","7","4","1") = "8"
    & skf18("9","1","4","6","7","5","1") = "8"
    & skf18("9","1","4","6","7","6","1") = "8"
    & skf18("9","1","4","6","7","7","1") = "8"
    & skf18("9","1","4","6","7","8","1") = "8"
    & skf18("9","1","4","6","7","9","1") = "8"
    & skf18("9","1","4","6","7","10","1") = "9"
    & skf18("9","1","4","6","8","1","1") = "8"
    & skf18("9","1","4","6","8","2","1") = "8"
    & skf18("9","1","4","6","8","3","1") = "8"
    & skf18("9","1","4","6","8","4","1") = "8"
    & skf18("9","1","4","6","8","5","1") = "8"
    & skf18("9","1","4","6","8","6","1") = "8"
    & skf18("9","1","4","6","8","7","1") = "8"
    & skf18("9","1","4","6","8","8","1") = "8"
    & skf18("9","1","4","6","8","9","1") = "8"
    & skf18("9","1","4","6","8","10","1") = "9"
    & skf18("9","1","4","6","9","1","1") = "8"
    & skf18("9","1","4","6","9","2","1") = "8"
    & skf18("9","1","4","6","9","3","1") = "8"
    & skf18("9","1","4","6","9","4","1") = "8"
    & skf18("9","1","4","6","9","5","1") = "8"
    & skf18("9","1","4","6","9","6","1") = "8"
    & skf18("9","1","4","6","9","7","1") = "8"
    & skf18("9","1","4","6","9","8","1") = "8"
    & skf18("9","1","4","6","9","9","1") = "8"
    & skf18("9","1","4","6","9","10","1") = "9"
    & skf18("9","1","4","6","10","1","1") = "9"
    & skf18("9","1","4","6","10","2","1") = "9"
    & skf18("9","1","4","6","10","3","1") = "9"
    & skf18("9","1","4","6","10","4","1") = "9"
    & skf18("9","1","4","6","10","5","1") = "9"
    & skf18("9","1","4","6","10","6","1") = "9"
    & skf18("9","1","4","6","10","7","1") = "9"
    & skf18("9","1","4","6","10","8","1") = "9"
    & skf18("9","1","4","6","10","9","1") = "9"
    & skf18("9","1","4","6","10","10","1") = "9"
    & skf18("9","1","4","7","1","1","1") = "8"
    & skf18("9","1","4","7","1","2","1") = "8"
    & skf18("9","1","4","7","1","3","1") = "8"
    & skf18("9","1","4","7","1","4","1") = "8"
    & skf18("9","1","4","7","1","5","1") = "8"
    & skf18("9","1","4","7","1","6","1") = "8"
    & skf18("9","1","4","7","1","7","1") = "8"
    & skf18("9","1","4","7","1","8","1") = "8"
    & skf18("9","1","4","7","1","9","1") = "8"
    & skf18("9","1","4","7","1","10","1") = "9"
    & skf18("9","1","4","7","2","1","1") = "8"
    & skf18("9","1","4","7","2","2","1") = "8"
    & skf18("9","1","4","7","2","3","1") = "8"
    & skf18("9","1","4","7","2","4","1") = "8"
    & skf18("9","1","4","7","2","5","1") = "8"
    & skf18("9","1","4","7","2","6","1") = "8"
    & skf18("9","1","4","7","2","7","1") = "8"
    & skf18("9","1","4","7","2","8","1") = "8"
    & skf18("9","1","4","7","2","9","1") = "8"
    & skf18("9","1","4","7","2","10","1") = "9"
    & skf18("9","1","4","7","3","1","1") = "8"
    & skf18("9","1","4","7","3","2","1") = "8"
    & skf18("9","1","4","7","3","3","1") = "8"
    & skf18("9","1","4","7","3","4","1") = "8"
    & skf18("9","1","4","7","3","5","1") = "8"
    & skf18("9","1","4","7","3","6","1") = "8"
    & skf18("9","1","4","7","3","7","1") = "8"
    & skf18("9","1","4","7","3","8","1") = "8"
    & skf18("9","1","4","7","3","9","1") = "8"
    & skf18("9","1","4","7","3","10","1") = "9"
    & skf18("9","1","4","7","4","1","1") = "8"
    & skf18("9","1","4","7","4","2","1") = "8"
    & skf18("9","1","4","7","4","3","1") = "8"
    & skf18("9","1","4","7","4","4","1") = "8"
    & skf18("9","1","4","7","4","5","1") = "8"
    & skf18("9","1","4","7","4","6","1") = "8"
    & skf18("9","1","4","7","4","7","1") = "8"
    & skf18("9","1","4","7","4","8","1") = "8"
    & skf18("9","1","4","7","4","9","1") = "8"
    & skf18("9","1","4","7","4","10","1") = "9"
    & skf18("9","1","4","7","5","1","1") = "8"
    & skf18("9","1","4","7","5","2","1") = "8"
    & skf18("9","1","4","7","5","3","1") = "8"
    & skf18("9","1","4","7","5","4","1") = "8"
    & skf18("9","1","4","7","5","5","1") = "8"
    & skf18("9","1","4","7","5","6","1") = "8"
    & skf18("9","1","4","7","5","7","1") = "8"
    & skf18("9","1","4","7","5","8","1") = "8"
    & skf18("9","1","4","7","5","9","1") = "8"
    & skf18("9","1","4","7","5","10","1") = "9"
    & skf18("9","1","4","7","6","1","1") = "8"
    & skf18("9","1","4","7","6","2","1") = "8"
    & skf18("9","1","4","7","6","3","1") = "8"
    & skf18("9","1","4","7","6","4","1") = "8"
    & skf18("9","1","4","7","6","5","1") = "8"
    & skf18("9","1","4","7","6","6","1") = "8"
    & skf18("9","1","4","7","6","7","1") = "8"
    & skf18("9","1","4","7","6","8","1") = "8"
    & skf18("9","1","4","7","6","9","1") = "8"
    & skf18("9","1","4","7","6","10","1") = "9"
    & skf18("9","1","4","7","7","1","1") = "8"
    & skf18("9","1","4","7","7","2","1") = "8"
    & skf18("9","1","4","7","7","3","1") = "8"
    & skf18("9","1","4","7","7","4","1") = "8"
    & skf18("9","1","4","7","7","5","1") = "8"
    & skf18("9","1","4","7","7","6","1") = "8"
    & skf18("9","1","4","7","7","7","1") = "8"
    & skf18("9","1","4","7","7","8","1") = "8"
    & skf18("9","1","4","7","7","9","1") = "8"
    & skf18("9","1","4","7","7","10","1") = "9"
    & skf18("9","1","4","7","8","1","1") = "8"
    & skf18("9","1","4","7","8","2","1") = "8"
    & skf18("9","1","4","7","8","3","1") = "8"
    & skf18("9","1","4","7","8","4","1") = "8"
    & skf18("9","1","4","7","8","5","1") = "8"
    & skf18("9","1","4","7","8","6","1") = "8"
    & skf18("9","1","4","7","8","7","1") = "8"
    & skf18("9","1","4","7","8","8","1") = "8"
    & skf18("9","1","4","7","8","9","1") = "8"
    & skf18("9","1","4","7","8","10","1") = "9"
    & skf18("9","1","4","7","9","1","1") = "8"
    & skf18("9","1","4","7","9","2","1") = "8"
    & skf18("9","1","4","7","9","3","1") = "8"
    & skf18("9","1","4","7","9","4","1") = "8"
    & skf18("9","1","4","7","9","5","1") = "8"
    & skf18("9","1","4","7","9","6","1") = "8"
    & skf18("9","1","4","7","9","7","1") = "8"
    & skf18("9","1","4","7","9","8","1") = "8"
    & skf18("9","1","4","7","9","9","1") = "8"
    & skf18("9","1","4","7","9","10","1") = "9"
    & skf18("9","1","4","7","10","1","1") = "9"
    & skf18("9","1","4","7","10","2","1") = "9"
    & skf18("9","1","4","7","10","3","1") = "9"
    & skf18("9","1","4","7","10","4","1") = "9"
    & skf18("9","1","4","7","10","5","1") = "9"
    & skf18("9","1","4","7","10","6","1") = "9"
    & skf18("9","1","4","7","10","7","1") = "9"
    & skf18("9","1","4","7","10","8","1") = "9"
    & skf18("9","1","4","7","10","9","1") = "9"
    & skf18("9","1","4","7","10","10","1") = "9"
    & skf18("9","1","4","8","1","1","1") = "8"
    & skf18("9","1","4","8","1","2","1") = "8"
    & skf18("9","1","4","8","1","3","1") = "8"
    & skf18("9","1","4","8","1","4","1") = "8"
    & skf18("9","1","4","8","1","5","1") = "8"
    & skf18("9","1","4","8","1","6","1") = "8"
    & skf18("9","1","4","8","1","7","1") = "8"
    & skf18("9","1","4","8","1","8","1") = "8"
    & skf18("9","1","4","8","1","9","1") = "8"
    & skf18("9","1","4","8","1","10","1") = "9"
    & skf18("9","1","4","8","2","1","1") = "8"
    & skf18("9","1","4","8","2","2","1") = "8"
    & skf18("9","1","4","8","2","3","1") = "8"
    & skf18("9","1","4","8","2","4","1") = "8"
    & skf18("9","1","4","8","2","5","1") = "8"
    & skf18("9","1","4","8","2","6","1") = "8"
    & skf18("9","1","4","8","2","7","1") = "8"
    & skf18("9","1","4","8","2","8","1") = "8"
    & skf18("9","1","4","8","2","9","1") = "8"
    & skf18("9","1","4","8","2","10","1") = "9"
    & skf18("9","1","4","8","3","1","1") = "8"
    & skf18("9","1","4","8","3","2","1") = "8"
    & skf18("9","1","4","8","3","3","1") = "8"
    & skf18("9","1","4","8","3","4","1") = "8"
    & skf18("9","1","4","8","3","5","1") = "8"
    & skf18("9","1","4","8","3","6","1") = "8"
    & skf18("9","1","4","8","3","7","1") = "8"
    & skf18("9","1","4","8","3","8","1") = "8"
    & skf18("9","1","4","8","3","9","1") = "8"
    & skf18("9","1","4","8","3","10","1") = "9"
    & skf18("9","1","4","8","4","1","1") = "8"
    & skf18("9","1","4","8","4","2","1") = "8"
    & skf18("9","1","4","8","4","3","1") = "8"
    & skf18("9","1","4","8","4","4","1") = "8"
    & skf18("9","1","4","8","4","5","1") = "8"
    & skf18("9","1","4","8","4","6","1") = "8"
    & skf18("9","1","4","8","4","7","1") = "8"
    & skf18("9","1","4","8","4","8","1") = "8"
    & skf18("9","1","4","8","4","9","1") = "8"
    & skf18("9","1","4","8","4","10","1") = "9"
    & skf18("9","1","4","8","5","1","1") = "8"
    & skf18("9","1","4","8","5","2","1") = "8"
    & skf18("9","1","4","8","5","3","1") = "8"
    & skf18("9","1","4","8","5","4","1") = "8"
    & skf18("9","1","4","8","5","5","1") = "8"
    & skf18("9","1","4","8","5","6","1") = "8"
    & skf18("9","1","4","8","5","7","1") = "8"
    & skf18("9","1","4","8","5","8","1") = "8"
    & skf18("9","1","4","8","5","9","1") = "8"
    & skf18("9","1","4","8","5","10","1") = "9"
    & skf18("9","1","4","8","6","1","1") = "8"
    & skf18("9","1","4","8","6","2","1") = "8"
    & skf18("9","1","4","8","6","3","1") = "8"
    & skf18("9","1","4","8","6","4","1") = "8"
    & skf18("9","1","4","8","6","5","1") = "8"
    & skf18("9","1","4","8","6","6","1") = "8"
    & skf18("9","1","4","8","6","7","1") = "8"
    & skf18("9","1","4","8","6","8","1") = "8"
    & skf18("9","1","4","8","6","9","1") = "8"
    & skf18("9","1","4","8","6","10","1") = "9"
    & skf18("9","1","4","8","7","1","1") = "8"
    & skf18("9","1","4","8","7","2","1") = "8"
    & skf18("9","1","4","8","7","3","1") = "8"
    & skf18("9","1","4","8","7","4","1") = "8"
    & skf18("9","1","4","8","7","5","1") = "8"
    & skf18("9","1","4","8","7","6","1") = "8"
    & skf18("9","1","4","8","7","7","1") = "8"
    & skf18("9","1","4","8","7","8","1") = "8"
    & skf18("9","1","4","8","7","9","1") = "8"
    & skf18("9","1","4","8","7","10","1") = "9"
    & skf18("9","1","4","8","8","1","1") = "8"
    & skf18("9","1","4","8","8","2","1") = "8"
    & skf18("9","1","4","8","8","3","1") = "8"
    & skf18("9","1","4","8","8","4","1") = "8"
    & skf18("9","1","4","8","8","5","1") = "8"
    & skf18("9","1","4","8","8","6","1") = "8"
    & skf18("9","1","4","8","8","7","1") = "8"
    & skf18("9","1","4","8","8","8","1") = "8"
    & skf18("9","1","4","8","8","9","1") = "8"
    & skf18("9","1","4","8","8","10","1") = "9"
    & skf18("9","1","4","8","9","1","1") = "8"
    & skf18("9","1","4","8","9","2","1") = "8"
    & skf18("9","1","4","8","9","3","1") = "8"
    & skf18("9","1","4","8","9","4","1") = "8"
    & skf18("9","1","4","8","9","5","1") = "8"
    & skf18("9","1","4","8","9","6","1") = "8"
    & skf18("9","1","4","8","9","7","1") = "8"
    & skf18("9","1","4","8","9","8","1") = "8"
    & skf18("9","1","4","8","9","9","1") = "8"
    & skf18("9","1","4","8","9","10","1") = "9"
    & skf18("9","1","4","8","10","1","1") = "9"
    & skf18("9","1","4","8","10","2","1") = "9"
    & skf18("9","1","4","8","10","3","1") = "9"
    & skf18("9","1","4","8","10","4","1") = "9"
    & skf18("9","1","4","8","10","5","1") = "9"
    & skf18("9","1","4","8","10","6","1") = "9"
    & skf18("9","1","4","8","10","7","1") = "9"
    & skf18("9","1","4","8","10","8","1") = "9"
    & skf18("9","1","4","8","10","9","1") = "9"
    & skf18("9","1","4","8","10","10","1") = "9"
    & skf18("9","1","4","9","1","1","1") = "8"
    & skf18("9","1","4","9","1","2","1") = "8"
    & skf18("9","1","4","9","1","3","1") = "8"
    & skf18("9","1","4","9","1","4","1") = "8"
    & skf18("9","1","4","9","1","5","1") = "8"
    & skf18("9","1","4","9","1","6","1") = "8"
    & skf18("9","1","4","9","1","7","1") = "8"
    & skf18("9","1","4","9","1","8","1") = "8"
    & skf18("9","1","4","9","1","9","1") = "8"
    & skf18("9","1","4","9","1","10","1") = "9"
    & skf18("9","1","4","9","2","1","1") = "8"
    & skf18("9","1","4","9","2","2","1") = "8"
    & skf18("9","1","4","9","2","3","1") = "8"
    & skf18("9","1","4","9","2","4","1") = "8"
    & skf18("9","1","4","9","2","5","1") = "8"
    & skf18("9","1","4","9","2","6","1") = "8"
    & skf18("9","1","4","9","2","7","1") = "8"
    & skf18("9","1","4","9","2","8","1") = "8"
    & skf18("9","1","4","9","2","9","1") = "8"
    & skf18("9","1","4","9","2","10","1") = "9"
    & skf18("9","1","4","9","3","1","1") = "8"
    & skf18("9","1","4","9","3","2","1") = "8"
    & skf18("9","1","4","9","3","3","1") = "8"
    & skf18("9","1","4","9","3","4","1") = "8"
    & skf18("9","1","4","9","3","5","1") = "8"
    & skf18("9","1","4","9","3","6","1") = "8"
    & skf18("9","1","4","9","3","7","1") = "8"
    & skf18("9","1","4","9","3","8","1") = "8"
    & skf18("9","1","4","9","3","9","1") = "8"
    & skf18("9","1","4","9","3","10","1") = "9"
    & skf18("9","1","4","9","4","1","1") = "8"
    & skf18("9","1","4","9","4","2","1") = "8"
    & skf18("9","1","4","9","4","3","1") = "8"
    & skf18("9","1","4","9","4","4","1") = "8"
    & skf18("9","1","4","9","4","5","1") = "8"
    & skf18("9","1","4","9","4","6","1") = "8"
    & skf18("9","1","4","9","4","7","1") = "8"
    & skf18("9","1","4","9","4","8","1") = "8"
    & skf18("9","1","4","9","4","9","1") = "8"
    & skf18("9","1","4","9","4","10","1") = "9"
    & skf18("9","1","4","9","5","1","1") = "8"
    & skf18("9","1","4","9","5","2","1") = "8"
    & skf18("9","1","4","9","5","3","1") = "8"
    & skf18("9","1","4","9","5","4","1") = "8"
    & skf18("9","1","4","9","5","5","1") = "8"
    & skf18("9","1","4","9","5","6","1") = "8"
    & skf18("9","1","4","9","5","7","1") = "8"
    & skf18("9","1","4","9","5","8","1") = "8"
    & skf18("9","1","4","9","5","9","1") = "8"
    & skf18("9","1","4","9","5","10","1") = "9"
    & skf18("9","1","4","9","6","1","1") = "8"
    & skf18("9","1","4","9","6","2","1") = "8"
    & skf18("9","1","4","9","6","3","1") = "8"
    & skf18("9","1","4","9","6","4","1") = "8"
    & skf18("9","1","4","9","6","5","1") = "8"
    & skf18("9","1","4","9","6","6","1") = "8"
    & skf18("9","1","4","9","6","7","1") = "8"
    & skf18("9","1","4","9","6","8","1") = "8"
    & skf18("9","1","4","9","6","9","1") = "8"
    & skf18("9","1","4","9","6","10","1") = "9"
    & skf18("9","1","4","9","7","1","1") = "8"
    & skf18("9","1","4","9","7","2","1") = "8"
    & skf18("9","1","4","9","7","3","1") = "8"
    & skf18("9","1","4","9","7","4","1") = "8"
    & skf18("9","1","4","9","7","5","1") = "8"
    & skf18("9","1","4","9","7","6","1") = "8"
    & skf18("9","1","4","9","7","7","1") = "8"
    & skf18("9","1","4","9","7","8","1") = "8"
    & skf18("9","1","4","9","7","9","1") = "8"
    & skf18("9","1","4","9","7","10","1") = "9"
    & skf18("9","1","4","9","8","1","1") = "8"
    & skf18("9","1","4","9","8","2","1") = "8"
    & skf18("9","1","4","9","8","3","1") = "8"
    & skf18("9","1","4","9","8","4","1") = "8"
    & skf18("9","1","4","9","8","5","1") = "8"
    & skf18("9","1","4","9","8","6","1") = "8"
    & skf18("9","1","4","9","8","7","1") = "8"
    & skf18("9","1","4","9","8","8","1") = "8"
    & skf18("9","1","4","9","8","9","1") = "8"
    & skf18("9","1","4","9","8","10","1") = "9"
    & skf18("9","1","4","9","9","1","1") = "8"
    & skf18("9","1","4","9","9","2","1") = "8"
    & skf18("9","1","4","9","9","3","1") = "8"
    & skf18("9","1","4","9","9","4","1") = "8"
    & skf18("9","1","4","9","9","5","1") = "8"
    & skf18("9","1","4","9","9","6","1") = "8"
    & skf18("9","1","4","9","9","7","1") = "8"
    & skf18("9","1","4","9","9","8","1") = "8"
    & skf18("9","1","4","9","9","9","1") = "8"
    & skf18("9","1","4","9","9","10","1") = "9"
    & skf18("9","1","4","9","10","1","1") = "9"
    & skf18("9","1","4","9","10","2","1") = "9"
    & skf18("9","1","4","9","10","3","1") = "9"
    & skf18("9","1","4","9","10","4","1") = "9"
    & skf18("9","1","4","9","10","5","1") = "9"
    & skf18("9","1","4","9","10","6","1") = "9"
    & skf18("9","1","4","9","10","7","1") = "9"
    & skf18("9","1","4","9","10","8","1") = "9"
    & skf18("9","1","4","9","10","9","1") = "9"
    & skf18("9","1","4","9","10","10","1") = "9"
    & skf18("9","1","4","10","1","1","1") = "9"
    & skf18("9","1","4","10","1","2","1") = "9"
    & skf18("9","1","4","10","1","3","1") = "9"
    & skf18("9","1","4","10","1","4","1") = "9"
    & skf18("9","1","4","10","1","5","1") = "9"
    & skf18("9","1","4","10","1","6","1") = "9"
    & skf18("9","1","4","10","1","7","1") = "9"
    & skf18("9","1","4","10","1","8","1") = "9"
    & skf18("9","1","4","10","1","9","1") = "9"
    & skf18("9","1","4","10","1","10","1") = "9"
    & skf18("9","1","4","10","2","1","1") = "9"
    & skf18("9","1","4","10","2","2","1") = "9"
    & skf18("9","1","4","10","2","3","1") = "9"
    & skf18("9","1","4","10","2","4","1") = "9"
    & skf18("9","1","4","10","2","5","1") = "9"
    & skf18("9","1","4","10","2","6","1") = "9"
    & skf18("9","1","4","10","2","7","1") = "9"
    & skf18("9","1","4","10","2","8","1") = "9"
    & skf18("9","1","4","10","2","9","1") = "9"
    & skf18("9","1","4","10","2","10","1") = "9"
    & skf18("9","1","4","10","3","1","1") = "9"
    & skf18("9","1","4","10","3","2","1") = "9"
    & skf18("9","1","4","10","3","3","1") = "9"
    & skf18("9","1","4","10","3","4","1") = "9"
    & skf18("9","1","4","10","3","5","1") = "9"
    & skf18("9","1","4","10","3","6","1") = "9"
    & skf18("9","1","4","10","3","7","1") = "9"
    & skf18("9","1","4","10","3","8","1") = "9"
    & skf18("9","1","4","10","3","9","1") = "9"
    & skf18("9","1","4","10","3","10","1") = "9"
    & skf18("9","1","4","10","4","1","1") = "9"
    & skf18("9","1","4","10","4","2","1") = "9"
    & skf18("9","1","4","10","4","3","1") = "9"
    & skf18("9","1","4","10","4","4","1") = "9"
    & skf18("9","1","4","10","4","5","1") = "9"
    & skf18("9","1","4","10","4","6","1") = "9"
    & skf18("9","1","4","10","4","7","1") = "9"
    & skf18("9","1","4","10","4","8","1") = "9"
    & skf18("9","1","4","10","4","9","1") = "9"
    & skf18("9","1","4","10","4","10","1") = "9"
    & skf18("9","1","4","10","5","1","1") = "9"
    & skf18("9","1","4","10","5","2","1") = "9"
    & skf18("9","1","4","10","5","3","1") = "9"
    & skf18("9","1","4","10","5","4","1") = "9"
    & skf18("9","1","4","10","5","5","1") = "9"
    & skf18("9","1","4","10","5","6","1") = "9"
    & skf18("9","1","4","10","5","7","1") = "9"
    & skf18("9","1","4","10","5","8","1") = "9"
    & skf18("9","1","4","10","5","9","1") = "9"
    & skf18("9","1","4","10","5","10","1") = "9"
    & skf18("9","1","4","10","6","1","1") = "9"
    & skf18("9","1","4","10","6","2","1") = "9"
    & skf18("9","1","4","10","6","3","1") = "9"
    & skf18("9","1","4","10","6","4","1") = "9"
    & skf18("9","1","4","10","6","5","1") = "9"
    & skf18("9","1","4","10","6","6","1") = "9"
    & skf18("9","1","4","10","6","7","1") = "9"
    & skf18("9","1","4","10","6","8","1") = "9"
    & skf18("9","1","4","10","6","9","1") = "9"
    & skf18("9","1","4","10","6","10","1") = "9"
    & skf18("9","1","4","10","7","1","1") = "9"
    & skf18("9","1","4","10","7","2","1") = "9"
    & skf18("9","1","4","10","7","3","1") = "9"
    & skf18("9","1","4","10","7","4","1") = "9"
    & skf18("9","1","4","10","7","5","1") = "9"
    & skf18("9","1","4","10","7","6","1") = "9"
    & skf18("9","1","4","10","7","7","1") = "9"
    & skf18("9","1","4","10","7","8","1") = "9"
    & skf18("9","1","4","10","7","9","1") = "9"
    & skf18("9","1","4","10","7","10","1") = "9"
    & skf18("9","1","4","10","8","1","1") = "9"
    & skf18("9","1","4","10","8","2","1") = "9"
    & skf18("9","1","4","10","8","3","1") = "9"
    & skf18("9","1","4","10","8","4","1") = "9"
    & skf18("9","1","4","10","8","5","1") = "9"
    & skf18("9","1","4","10","8","6","1") = "9"
    & skf18("9","1","4","10","8","7","1") = "9"
    & skf18("9","1","4","10","8","8","1") = "9"
    & skf18("9","1","4","10","8","9","1") = "9"
    & skf18("9","1","4","10","8","10","1") = "9"
    & skf18("9","1","4","10","9","1","1") = "9"
    & skf18("9","1","4","10","9","2","1") = "9"
    & skf18("9","1","4","10","9","3","1") = "9"
    & skf18("9","1","4","10","9","4","1") = "9"
    & skf18("9","1","4","10","9","5","1") = "9"
    & skf18("9","1","4","10","9","6","1") = "9"
    & skf18("9","1","4","10","9","7","1") = "9"
    & skf18("9","1","4","10","9","8","1") = "9"
    & skf18("9","1","4","10","9","9","1") = "9"
    & skf18("9","1","4","10","9","10","1") = "9"
    & skf18("9","1","4","10","10","1","1") = "9"
    & skf18("9","1","4","10","10","2","1") = "9"
    & skf18("9","1","4","10","10","3","1") = "9"
    & skf18("9","1","4","10","10","4","1") = "9"
    & skf18("9","1","4","10","10","5","1") = "9"
    & skf18("9","1","4","10","10","6","1") = "9"
    & skf18("9","1","4","10","10","7","1") = "9"
    & skf18("9","1","4","10","10","8","1") = "9"
    & skf18("9","1","4","10","10","9","1") = "9"
    & skf18("9","1","4","10","10","10","1") = "9"
    & skf18("9","1","5","1","1","1","1") = "8"
    & skf18("9","1","5","1","1","2","1") = "8"
    & skf18("9","1","5","1","1","3","1") = "8"
    & skf18("9","1","5","1","1","4","1") = "8"
    & skf18("9","1","5","1","1","5","1") = "8"
    & skf18("9","1","5","1","1","6","1") = "8"
    & skf18("9","1","5","1","1","7","1") = "8"
    & skf18("9","1","5","1","1","8","1") = "8"
    & skf18("9","1","5","1","1","9","1") = "8"
    & skf18("9","1","5","1","1","10","1") = "9"
    & skf18("9","1","5","1","2","1","1") = "8"
    & skf18("9","1","5","1","2","2","1") = "8"
    & skf18("9","1","5","1","2","3","1") = "8"
    & skf18("9","1","5","1","2","4","1") = "8"
    & skf18("9","1","5","1","2","5","1") = "8"
    & skf18("9","1","5","1","2","6","1") = "8"
    & skf18("9","1","5","1","2","7","1") = "8"
    & skf18("9","1","5","1","2","8","1") = "8"
    & skf18("9","1","5","1","2","9","1") = "8"
    & skf18("9","1","5","1","2","10","1") = "9"
    & skf18("9","1","5","1","3","1","1") = "8"
    & skf18("9","1","5","1","3","2","1") = "8"
    & skf18("9","1","5","1","3","3","1") = "8"
    & skf18("9","1","5","1","3","4","1") = "8"
    & skf18("9","1","5","1","3","5","1") = "8"
    & skf18("9","1","5","1","3","6","1") = "8"
    & skf18("9","1","5","1","3","7","1") = "8"
    & skf18("9","1","5","1","3","8","1") = "8"
    & skf18("9","1","5","1","3","9","1") = "8"
    & skf18("9","1","5","1","3","10","1") = "9"
    & skf18("9","1","5","1","4","1","1") = "8"
    & skf18("9","1","5","1","4","2","1") = "8"
    & skf18("9","1","5","1","4","3","1") = "8"
    & skf18("9","1","5","1","4","4","1") = "8"
    & skf18("9","1","5","1","4","5","1") = "8"
    & skf18("9","1","5","1","4","6","1") = "8"
    & skf18("9","1","5","1","4","7","1") = "8"
    & skf18("9","1","5","1","4","8","1") = "8"
    & skf18("9","1","5","1","4","9","1") = "8"
    & skf18("9","1","5","1","4","10","1") = "9"
    & skf18("9","1","5","1","5","1","1") = "8"
    & skf18("9","1","5","1","5","2","1") = "8"
    & skf18("9","1","5","1","5","3","1") = "8"
    & skf18("9","1","5","1","5","4","1") = "8"
    & skf18("9","1","5","1","5","5","1") = "8"
    & skf18("9","1","5","1","5","6","1") = "8"
    & skf18("9","1","5","1","5","7","1") = "8"
    & skf18("9","1","5","1","5","8","1") = "8"
    & skf18("9","1","5","1","5","9","1") = "8"
    & skf18("9","1","5","1","5","10","1") = "9"
    & skf18("9","1","5","1","6","1","1") = "8"
    & skf18("9","1","5","1","6","2","1") = "8"
    & skf18("9","1","5","1","6","3","1") = "8"
    & skf18("9","1","5","1","6","4","1") = "8"
    & skf18("9","1","5","1","6","5","1") = "8"
    & skf18("9","1","5","1","6","6","1") = "8"
    & skf18("9","1","5","1","6","7","1") = "8"
    & skf18("9","1","5","1","6","8","1") = "8"
    & skf18("9","1","5","1","6","9","1") = "8"
    & skf18("9","1","5","1","6","10","1") = "9"
    & skf18("9","1","5","1","7","1","1") = "8"
    & skf18("9","1","5","1","7","2","1") = "8"
    & skf18("9","1","5","1","7","3","1") = "8"
    & skf18("9","1","5","1","7","4","1") = "8"
    & skf18("9","1","5","1","7","5","1") = "8"
    & skf18("9","1","5","1","7","6","1") = "8"
    & skf18("9","1","5","1","7","7","1") = "8"
    & skf18("9","1","5","1","7","8","1") = "8"
    & skf18("9","1","5","1","7","9","1") = "8"
    & skf18("9","1","5","1","7","10","1") = "9"
    & skf18("9","1","5","1","8","1","1") = "8"
    & skf18("9","1","5","1","8","2","1") = "8"
    & skf18("9","1","5","1","8","3","1") = "8"
    & skf18("9","1","5","1","8","4","1") = "8"
    & skf18("9","1","5","1","8","5","1") = "8"
    & skf18("9","1","5","1","8","6","1") = "8"
    & skf18("9","1","5","1","8","7","1") = "8"
    & skf18("9","1","5","1","8","8","1") = "8"
    & skf18("9","1","5","1","8","9","1") = "8"
    & skf18("9","1","5","1","8","10","1") = "9"
    & skf18("9","1","5","1","9","1","1") = "8"
    & skf18("9","1","5","1","9","2","1") = "8"
    & skf18("9","1","5","1","9","3","1") = "8"
    & skf18("9","1","5","1","9","4","1") = "8"
    & skf18("9","1","5","1","9","5","1") = "8"
    & skf18("9","1","5","1","9","6","1") = "8"
    & skf18("9","1","5","1","9","7","1") = "8"
    & skf18("9","1","5","1","9","8","1") = "8"
    & skf18("9","1","5","1","9","9","1") = "8"
    & skf18("9","1","5","1","9","10","1") = "9"
    & skf18("9","1","5","1","10","1","1") = "9"
    & skf18("9","1","5","1","10","2","1") = "9"
    & skf18("9","1","5","1","10","3","1") = "9"
    & skf18("9","1","5","1","10","4","1") = "9"
    & skf18("9","1","5","1","10","5","1") = "9"
    & skf18("9","1","5","1","10","6","1") = "9"
    & skf18("9","1","5","1","10","7","1") = "9"
    & skf18("9","1","5","1","10","8","1") = "9"
    & skf18("9","1","5","1","10","9","1") = "9"
    & skf18("9","1","5","1","10","10","1") = "9"
    & skf18("9","1","5","2","1","1","1") = "8"
    & skf18("9","1","5","2","1","2","1") = "8"
    & skf18("9","1","5","2","1","3","1") = "8"
    & skf18("9","1","5","2","1","4","1") = "8"
    & skf18("9","1","5","2","1","5","1") = "8"
    & skf18("9","1","5","2","1","6","1") = "8"
    & skf18("9","1","5","2","1","7","1") = "8"
    & skf18("9","1","5","2","1","8","1") = "8"
    & skf18("9","1","5","2","1","9","1") = "8"
    & skf18("9","1","5","2","1","10","1") = "9"
    & skf18("9","1","5","2","2","1","1") = "8"
    & skf18("9","1","5","2","2","2","1") = "8"
    & skf18("9","1","5","2","2","3","1") = "8"
    & skf18("9","1","5","2","2","4","1") = "8"
    & skf18("9","1","5","2","2","5","1") = "8"
    & skf18("9","1","5","2","2","6","1") = "8"
    & skf18("9","1","5","2","2","7","1") = "8"
    & skf18("9","1","5","2","2","8","1") = "8"
    & skf18("9","1","5","2","2","9","1") = "8"
    & skf18("9","1","5","2","2","10","1") = "9"
    & skf18("9","1","5","2","3","1","1") = "8"
    & skf18("9","1","5","2","3","2","1") = "8"
    & skf18("9","1","5","2","3","3","1") = "8"
    & skf18("9","1","5","2","3","4","1") = "8"
    & skf18("9","1","5","2","3","5","1") = "8"
    & skf18("9","1","5","2","3","6","1") = "8"
    & skf18("9","1","5","2","3","7","1") = "8"
    & skf18("9","1","5","2","3","8","1") = "8"
    & skf18("9","1","5","2","3","9","1") = "8"
    & skf18("9","1","5","2","3","10","1") = "9"
    & skf18("9","1","5","2","4","1","1") = "8"
    & skf18("9","1","5","2","4","2","1") = "8"
    & skf18("9","1","5","2","4","3","1") = "8"
    & skf18("9","1","5","2","4","4","1") = "8"
    & skf18("9","1","5","2","4","5","1") = "8"
    & skf18("9","1","5","2","4","6","1") = "8"
    & skf18("9","1","5","2","4","7","1") = "8"
    & skf18("9","1","5","2","4","8","1") = "8"
    & skf18("9","1","5","2","4","9","1") = "8"
    & skf18("9","1","5","2","4","10","1") = "9"
    & skf18("9","1","5","2","5","1","1") = "8"
    & skf18("9","1","5","2","5","2","1") = "8"
    & skf18("9","1","5","2","5","3","1") = "8"
    & skf18("9","1","5","2","5","4","1") = "8"
    & skf18("9","1","5","2","5","5","1") = "8"
    & skf18("9","1","5","2","5","6","1") = "8"
    & skf18("9","1","5","2","5","7","1") = "8"
    & skf18("9","1","5","2","5","8","1") = "8"
    & skf18("9","1","5","2","5","9","1") = "8"
    & skf18("9","1","5","2","5","10","1") = "9"
    & skf18("9","1","5","2","6","1","1") = "8"
    & skf18("9","1","5","2","6","2","1") = "8"
    & skf18("9","1","5","2","6","3","1") = "8"
    & skf18("9","1","5","2","6","4","1") = "8"
    & skf18("9","1","5","2","6","5","1") = "8"
    & skf18("9","1","5","2","6","6","1") = "8"
    & skf18("9","1","5","2","6","7","1") = "8"
    & skf18("9","1","5","2","6","8","1") = "8"
    & skf18("9","1","5","2","6","9","1") = "8"
    & skf18("9","1","5","2","6","10","1") = "9"
    & skf18("9","1","5","2","7","1","1") = "8"
    & skf18("9","1","5","2","7","2","1") = "8"
    & skf18("9","1","5","2","7","3","1") = "8"
    & skf18("9","1","5","2","7","4","1") = "8"
    & skf18("9","1","5","2","7","5","1") = "8"
    & skf18("9","1","5","2","7","6","1") = "8"
    & skf18("9","1","5","2","7","7","1") = "8"
    & skf18("9","1","5","2","7","8","1") = "8"
    & skf18("9","1","5","2","7","9","1") = "8"
    & skf18("9","1","5","2","7","10","1") = "9"
    & skf18("9","1","5","2","8","1","1") = "8"
    & skf18("9","1","5","2","8","2","1") = "8"
    & skf18("9","1","5","2","8","3","1") = "8"
    & skf18("9","1","5","2","8","4","1") = "8"
    & skf18("9","1","5","2","8","5","1") = "8"
    & skf18("9","1","5","2","8","6","1") = "8"
    & skf18("9","1","5","2","8","7","1") = "8"
    & skf18("9","1","5","2","8","8","1") = "8"
    & skf18("9","1","5","2","8","9","1") = "8"
    & skf18("9","1","5","2","8","10","1") = "9"
    & skf18("9","1","5","2","9","1","1") = "8"
    & skf18("9","1","5","2","9","2","1") = "8"
    & skf18("9","1","5","2","9","3","1") = "8"
    & skf18("9","1","5","2","9","4","1") = "8"
    & skf18("9","1","5","2","9","5","1") = "8"
    & skf18("9","1","5","2","9","6","1") = "8"
    & skf18("9","1","5","2","9","7","1") = "8"
    & skf18("9","1","5","2","9","8","1") = "8"
    & skf18("9","1","5","2","9","9","1") = "8"
    & skf18("9","1","5","2","9","10","1") = "9"
    & skf18("9","1","5","2","10","1","1") = "9"
    & skf18("9","1","5","2","10","2","1") = "9"
    & skf18("9","1","5","2","10","3","1") = "9"
    & skf18("9","1","5","2","10","4","1") = "9"
    & skf18("9","1","5","2","10","5","1") = "9"
    & skf18("9","1","5","2","10","6","1") = "9"
    & skf18("9","1","5","2","10","7","1") = "9"
    & skf18("9","1","5","2","10","8","1") = "9"
    & skf18("9","1","5","2","10","9","1") = "9"
    & skf18("9","1","5","2","10","10","1") = "9"
    & skf18("9","1","5","3","1","1","1") = "8"
    & skf18("9","1","5","3","1","2","1") = "8"
    & skf18("9","1","5","3","1","3","1") = "8"
    & skf18("9","1","5","3","1","4","1") = "8"
    & skf18("9","1","5","3","1","5","1") = "8"
    & skf18("9","1","5","3","1","6","1") = "8"
    & skf18("9","1","5","3","1","7","1") = "8"
    & skf18("9","1","5","3","1","8","1") = "8"
    & skf18("9","1","5","3","1","9","1") = "8"
    & skf18("9","1","5","3","1","10","1") = "9"
    & skf18("9","1","5","3","2","1","1") = "8"
    & skf18("9","1","5","3","2","2","1") = "8"
    & skf18("9","1","5","3","2","3","1") = "8"
    & skf18("9","1","5","3","2","4","1") = "8"
    & skf18("9","1","5","3","2","5","1") = "8"
    & skf18("9","1","5","3","2","6","1") = "8"
    & skf18("9","1","5","3","2","7","1") = "8"
    & skf18("9","1","5","3","2","8","1") = "8"
    & skf18("9","1","5","3","2","9","1") = "8"
    & skf18("9","1","5","3","2","10","1") = "9"
    & skf18("9","1","5","3","3","1","1") = "8"
    & skf18("9","1","5","3","3","2","1") = "8"
    & skf18("9","1","5","3","3","3","1") = "8"
    & skf18("9","1","5","3","3","4","1") = "8"
    & skf18("9","1","5","3","3","5","1") = "8"
    & skf18("9","1","5","3","3","6","1") = "8"
    & skf18("9","1","5","3","3","7","1") = "8"
    & skf18("9","1","5","3","3","8","1") = "8"
    & skf18("9","1","5","3","3","9","1") = "8"
    & skf18("9","1","5","3","3","10","1") = "9"
    & skf18("9","1","5","3","4","1","1") = "8"
    & skf18("9","1","5","3","4","2","1") = "8"
    & skf18("9","1","5","3","4","3","1") = "8"
    & skf18("9","1","5","3","4","4","1") = "8"
    & skf18("9","1","5","3","4","5","1") = "8"
    & skf18("9","1","5","3","4","6","1") = "8"
    & skf18("9","1","5","3","4","7","1") = "8"
    & skf18("9","1","5","3","4","8","1") = "8"
    & skf18("9","1","5","3","4","9","1") = "8"
    & skf18("9","1","5","3","4","10","1") = "9"
    & skf18("9","1","5","3","5","1","1") = "8"
    & skf18("9","1","5","3","5","2","1") = "8"
    & skf18("9","1","5","3","5","3","1") = "8"
    & skf18("9","1","5","3","5","4","1") = "8"
    & skf18("9","1","5","3","5","5","1") = "8"
    & skf18("9","1","5","3","5","6","1") = "8"
    & skf18("9","1","5","3","5","7","1") = "8"
    & skf18("9","1","5","3","5","8","1") = "8"
    & skf18("9","1","5","3","5","9","1") = "8"
    & skf18("9","1","5","3","5","10","1") = "9"
    & skf18("9","1","5","3","6","1","1") = "8"
    & skf18("9","1","5","3","6","2","1") = "8"
    & skf18("9","1","5","3","6","3","1") = "8"
    & skf18("9","1","5","3","6","4","1") = "8"
    & skf18("9","1","5","3","6","5","1") = "8"
    & skf18("9","1","5","3","6","6","1") = "8"
    & skf18("9","1","5","3","6","7","1") = "8"
    & skf18("9","1","5","3","6","8","1") = "8"
    & skf18("9","1","5","3","6","9","1") = "8"
    & skf18("9","1","5","3","6","10","1") = "9"
    & skf18("9","1","5","3","7","1","1") = "8"
    & skf18("9","1","5","3","7","2","1") = "8"
    & skf18("9","1","5","3","7","3","1") = "8"
    & skf18("9","1","5","3","7","4","1") = "8"
    & skf18("9","1","5","3","7","5","1") = "8"
    & skf18("9","1","5","3","7","6","1") = "8"
    & skf18("9","1","5","3","7","7","1") = "8"
    & skf18("9","1","5","3","7","8","1") = "8"
    & skf18("9","1","5","3","7","9","1") = "8"
    & skf18("9","1","5","3","7","10","1") = "9"
    & skf18("9","1","5","3","8","1","1") = "8"
    & skf18("9","1","5","3","8","2","1") = "8"
    & skf18("9","1","5","3","8","3","1") = "8"
    & skf18("9","1","5","3","8","4","1") = "8"
    & skf18("9","1","5","3","8","5","1") = "8"
    & skf18("9","1","5","3","8","6","1") = "8"
    & skf18("9","1","5","3","8","7","1") = "8"
    & skf18("9","1","5","3","8","8","1") = "8"
    & skf18("9","1","5","3","8","9","1") = "8"
    & skf18("9","1","5","3","8","10","1") = "9"
    & skf18("9","1","5","3","9","1","1") = "8"
    & skf18("9","1","5","3","9","2","1") = "8"
    & skf18("9","1","5","3","9","3","1") = "8"
    & skf18("9","1","5","3","9","4","1") = "8"
    & skf18("9","1","5","3","9","5","1") = "8"
    & skf18("9","1","5","3","9","6","1") = "8"
    & skf18("9","1","5","3","9","7","1") = "8"
    & skf18("9","1","5","3","9","8","1") = "8"
    & skf18("9","1","5","3","9","9","1") = "8"
    & skf18("9","1","5","3","9","10","1") = "9"
    & skf18("9","1","5","3","10","1","1") = "9"
    & skf18("9","1","5","3","10","2","1") = "9"
    & skf18("9","1","5","3","10","3","1") = "9"
    & skf18("9","1","5","3","10","4","1") = "9"
    & skf18("9","1","5","3","10","5","1") = "9"
    & skf18("9","1","5","3","10","6","1") = "9"
    & skf18("9","1","5","3","10","7","1") = "9"
    & skf18("9","1","5","3","10","8","1") = "9"
    & skf18("9","1","5","3","10","9","1") = "9"
    & skf18("9","1","5","3","10","10","1") = "9"
    & skf18("9","1","5","4","1","1","1") = "8"
    & skf18("9","1","5","4","1","2","1") = "8"
    & skf18("9","1","5","4","1","3","1") = "8"
    & skf18("9","1","5","4","1","4","1") = "8"
    & skf18("9","1","5","4","1","5","1") = "8"
    & skf18("9","1","5","4","1","6","1") = "8"
    & skf18("9","1","5","4","1","7","1") = "8"
    & skf18("9","1","5","4","1","8","1") = "8"
    & skf18("9","1","5","4","1","9","1") = "8"
    & skf18("9","1","5","4","1","10","1") = "9"
    & skf18("9","1","5","4","2","1","1") = "8"
    & skf18("9","1","5","4","2","2","1") = "8"
    & skf18("9","1","5","4","2","3","1") = "8"
    & skf18("9","1","5","4","2","4","1") = "8"
    & skf18("9","1","5","4","2","5","1") = "8"
    & skf18("9","1","5","4","2","6","1") = "8"
    & skf18("9","1","5","4","2","7","1") = "8"
    & skf18("9","1","5","4","2","8","1") = "8"
    & skf18("9","1","5","4","2","9","1") = "8"
    & skf18("9","1","5","4","2","10","1") = "9"
    & skf18("9","1","5","4","3","1","1") = "8"
    & skf18("9","1","5","4","3","2","1") = "8"
    & skf18("9","1","5","4","3","3","1") = "8"
    & skf18("9","1","5","4","3","4","1") = "8"
    & skf18("9","1","5","4","3","5","1") = "8"
    & skf18("9","1","5","4","3","6","1") = "8"
    & skf18("9","1","5","4","3","7","1") = "8"
    & skf18("9","1","5","4","3","8","1") = "8"
    & skf18("9","1","5","4","3","9","1") = "8"
    & skf18("9","1","5","4","3","10","1") = "9"
    & skf18("9","1","5","4","4","1","1") = "8"
    & skf18("9","1","5","4","4","2","1") = "8"
    & skf18("9","1","5","4","4","3","1") = "8"
    & skf18("9","1","5","4","4","4","1") = "8"
    & skf18("9","1","5","4","4","5","1") = "8"
    & skf18("9","1","5","4","4","6","1") = "8"
    & skf18("9","1","5","4","4","7","1") = "8"
    & skf18("9","1","5","4","4","8","1") = "8"
    & skf18("9","1","5","4","4","9","1") = "8"
    & skf18("9","1","5","4","4","10","1") = "9"
    & skf18("9","1","5","4","5","1","1") = "8"
    & skf18("9","1","5","4","5","2","1") = "8"
    & skf18("9","1","5","4","5","3","1") = "8"
    & skf18("9","1","5","4","5","4","1") = "8"
    & skf18("9","1","5","4","5","5","1") = "8"
    & skf18("9","1","5","4","5","6","1") = "8"
    & skf18("9","1","5","4","5","7","1") = "8"
    & skf18("9","1","5","4","5","8","1") = "8"
    & skf18("9","1","5","4","5","9","1") = "8"
    & skf18("9","1","5","4","5","10","1") = "9"
    & skf18("9","1","5","4","6","1","1") = "8"
    & skf18("9","1","5","4","6","2","1") = "8"
    & skf18("9","1","5","4","6","3","1") = "8"
    & skf18("9","1","5","4","6","4","1") = "8"
    & skf18("9","1","5","4","6","5","1") = "8"
    & skf18("9","1","5","4","6","6","1") = "8"
    & skf18("9","1","5","4","6","7","1") = "8"
    & skf18("9","1","5","4","6","8","1") = "8"
    & skf18("9","1","5","4","6","9","1") = "8"
    & skf18("9","1","5","4","6","10","1") = "9"
    & skf18("9","1","5","4","7","1","1") = "8"
    & skf18("9","1","5","4","7","2","1") = "8"
    & skf18("9","1","5","4","7","3","1") = "8"
    & skf18("9","1","5","4","7","4","1") = "8"
    & skf18("9","1","5","4","7","5","1") = "8"
    & skf18("9","1","5","4","7","6","1") = "8"
    & skf18("9","1","5","4","7","7","1") = "8"
    & skf18("9","1","5","4","7","8","1") = "8"
    & skf18("9","1","5","4","7","9","1") = "8"
    & skf18("9","1","5","4","7","10","1") = "9"
    & skf18("9","1","5","4","8","1","1") = "8"
    & skf18("9","1","5","4","8","2","1") = "8"
    & skf18("9","1","5","4","8","3","1") = "8"
    & skf18("9","1","5","4","8","4","1") = "8"
    & skf18("9","1","5","4","8","5","1") = "8"
    & skf18("9","1","5","4","8","6","1") = "8"
    & skf18("9","1","5","4","8","7","1") = "8"
    & skf18("9","1","5","4","8","8","1") = "8"
    & skf18("9","1","5","4","8","9","1") = "8"
    & skf18("9","1","5","4","8","10","1") = "9"
    & skf18("9","1","5","4","9","1","1") = "8"
    & skf18("9","1","5","4","9","2","1") = "8"
    & skf18("9","1","5","4","9","3","1") = "8"
    & skf18("9","1","5","4","9","4","1") = "8"
    & skf18("9","1","5","4","9","5","1") = "8"
    & skf18("9","1","5","4","9","6","1") = "8"
    & skf18("9","1","5","4","9","7","1") = "8"
    & skf18("9","1","5","4","9","8","1") = "8"
    & skf18("9","1","5","4","9","9","1") = "8"
    & skf18("9","1","5","4","9","10","1") = "9"
    & skf18("9","1","5","4","10","1","1") = "9"
    & skf18("9","1","5","4","10","2","1") = "9"
    & skf18("9","1","5","4","10","3","1") = "9"
    & skf18("9","1","5","4","10","4","1") = "9"
    & skf18("9","1","5","4","10","5","1") = "9"
    & skf18("9","1","5","4","10","6","1") = "9"
    & skf18("9","1","5","4","10","7","1") = "9"
    & skf18("9","1","5","4","10","8","1") = "9"
    & skf18("9","1","5","4","10","9","1") = "9"
    & skf18("9","1","5","4","10","10","1") = "9"
    & skf18("9","1","5","5","1","1","1") = "8"
    & skf18("9","1","5","5","1","2","1") = "8"
    & skf18("9","1","5","5","1","3","1") = "8"
    & skf18("9","1","5","5","1","4","1") = "8"
    & skf18("9","1","5","5","1","5","1") = "8"
    & skf18("9","1","5","5","1","6","1") = "8"
    & skf18("9","1","5","5","1","7","1") = "8"
    & skf18("9","1","5","5","1","8","1") = "8"
    & skf18("9","1","5","5","1","9","1") = "8"
    & skf18("9","1","5","5","1","10","1") = "9"
    & skf18("9","1","5","5","2","1","1") = "8"
    & skf18("9","1","5","5","2","2","1") = "8"
    & skf18("9","1","5","5","2","3","1") = "8"
    & skf18("9","1","5","5","2","4","1") = "8"
    & skf18("9","1","5","5","2","5","1") = "8"
    & skf18("9","1","5","5","2","6","1") = "8"
    & skf18("9","1","5","5","2","7","1") = "8"
    & skf18("9","1","5","5","2","8","1") = "8"
    & skf18("9","1","5","5","2","9","1") = "8"
    & skf18("9","1","5","5","2","10","1") = "9"
    & skf18("9","1","5","5","3","1","1") = "8"
    & skf18("9","1","5","5","3","2","1") = "8"
    & skf18("9","1","5","5","3","3","1") = "8"
    & skf18("9","1","5","5","3","4","1") = "8"
    & skf18("9","1","5","5","3","5","1") = "8"
    & skf18("9","1","5","5","3","6","1") = "8"
    & skf18("9","1","5","5","3","7","1") = "8"
    & skf18("9","1","5","5","3","8","1") = "8"
    & skf18("9","1","5","5","3","9","1") = "8"
    & skf18("9","1","5","5","3","10","1") = "9"
    & skf18("9","1","5","5","4","1","1") = "8"
    & skf18("9","1","5","5","4","2","1") = "8"
    & skf18("9","1","5","5","4","3","1") = "8"
    & skf18("9","1","5","5","4","4","1") = "8"
    & skf18("9","1","5","5","4","5","1") = "8"
    & skf18("9","1","5","5","4","6","1") = "8"
    & skf18("9","1","5","5","4","7","1") = "8"
    & skf18("9","1","5","5","4","8","1") = "8"
    & skf18("9","1","5","5","4","9","1") = "8"
    & skf18("9","1","5","5","4","10","1") = "9"
    & skf18("9","1","5","5","5","1","1") = "8"
    & skf18("9","1","5","5","5","2","1") = "8"
    & skf18("9","1","5","5","5","3","1") = "8"
    & skf18("9","1","5","5","5","4","1") = "8"
    & skf18("9","1","5","5","5","5","1") = "8"
    & skf18("9","1","5","5","5","6","1") = "8"
    & skf18("9","1","5","5","5","7","1") = "8"
    & skf18("9","1","5","5","5","8","1") = "8"
    & skf18("9","1","5","5","5","9","1") = "8"
    & skf18("9","1","5","5","5","10","1") = "9"
    & skf18("9","1","5","5","6","1","1") = "8"
    & skf18("9","1","5","5","6","2","1") = "8"
    & skf18("9","1","5","5","6","3","1") = "8"
    & skf18("9","1","5","5","6","4","1") = "8"
    & skf18("9","1","5","5","6","5","1") = "8"
    & skf18("9","1","5","5","6","6","1") = "8"
    & skf18("9","1","5","5","6","7","1") = "8"
    & skf18("9","1","5","5","6","8","1") = "8"
    & skf18("9","1","5","5","6","9","1") = "8"
    & skf18("9","1","5","5","6","10","1") = "9"
    & skf18("9","1","5","5","7","1","1") = "8"
    & skf18("9","1","5","5","7","2","1") = "8"
    & skf18("9","1","5","5","7","3","1") = "8"
    & skf18("9","1","5","5","7","4","1") = "8"
    & skf18("9","1","5","5","7","5","1") = "8"
    & skf18("9","1","5","5","7","6","1") = "8"
    & skf18("9","1","5","5","7","7","1") = "8"
    & skf18("9","1","5","5","7","8","1") = "8"
    & skf18("9","1","5","5","7","9","1") = "8"
    & skf18("9","1","5","5","7","10","1") = "9"
    & skf18("9","1","5","5","8","1","1") = "8"
    & skf18("9","1","5","5","8","2","1") = "8"
    & skf18("9","1","5","5","8","3","1") = "8"
    & skf18("9","1","5","5","8","4","1") = "8"
    & skf18("9","1","5","5","8","5","1") = "8"
    & skf18("9","1","5","5","8","6","1") = "8"
    & skf18("9","1","5","5","8","7","1") = "8"
    & skf18("9","1","5","5","8","8","1") = "8"
    & skf18("9","1","5","5","8","9","1") = "8"
    & skf18("9","1","5","5","8","10","1") = "9"
    & skf18("9","1","5","5","9","1","1") = "8"
    & skf18("9","1","5","5","9","2","1") = "8"
    & skf18("9","1","5","5","9","3","1") = "8"
    & skf18("9","1","5","5","9","4","1") = "8"
    & skf18("9","1","5","5","9","5","1") = "8"
    & skf18("9","1","5","5","9","6","1") = "8"
    & skf18("9","1","5","5","9","7","1") = "8"
    & skf18("9","1","5","5","9","8","1") = "8"
    & skf18("9","1","5","5","9","9","1") = "8"
    & skf18("9","1","5","5","9","10","1") = "9"
    & skf18("9","1","5","5","10","1","1") = "9"
    & skf18("9","1","5","5","10","2","1") = "9"
    & skf18("9","1","5","5","10","3","1") = "9"
    & skf18("9","1","5","5","10","4","1") = "9"
    & skf18("9","1","5","5","10","5","1") = "9"
    & skf18("9","1","5","5","10","6","1") = "9"
    & skf18("9","1","5","5","10","7","1") = "9"
    & skf18("9","1","5","5","10","8","1") = "9"
    & skf18("9","1","5","5","10","9","1") = "9"
    & skf18("9","1","5","5","10","10","1") = "9"
    & skf18("9","1","5","6","1","1","1") = "8"
    & skf18("9","1","5","6","1","2","1") = "8"
    & skf18("9","1","5","6","1","3","1") = "8"
    & skf18("9","1","5","6","1","4","1") = "8"
    & skf18("9","1","5","6","1","5","1") = "8"
    & skf18("9","1","5","6","1","6","1") = "8"
    & skf18("9","1","5","6","1","7","1") = "8"
    & skf18("9","1","5","6","1","8","1") = "8"
    & skf18("9","1","5","6","1","9","1") = "8"
    & skf18("9","1","5","6","1","10","1") = "9"
    & skf18("9","1","5","6","2","1","1") = "8"
    & skf18("9","1","5","6","2","2","1") = "8"
    & skf18("9","1","5","6","2","3","1") = "8"
    & skf18("9","1","5","6","2","4","1") = "8"
    & skf18("9","1","5","6","2","5","1") = "8"
    & skf18("9","1","5","6","2","6","1") = "8"
    & skf18("9","1","5","6","2","7","1") = "8"
    & skf18("9","1","5","6","2","8","1") = "8"
    & skf18("9","1","5","6","2","9","1") = "8"
    & skf18("9","1","5","6","2","10","1") = "9"
    & skf18("9","1","5","6","3","1","1") = "8"
    & skf18("9","1","5","6","3","2","1") = "8"
    & skf18("9","1","5","6","3","3","1") = "8"
    & skf18("9","1","5","6","3","4","1") = "8"
    & skf18("9","1","5","6","3","5","1") = "8"
    & skf18("9","1","5","6","3","6","1") = "8"
    & skf18("9","1","5","6","3","7","1") = "8"
    & skf18("9","1","5","6","3","8","1") = "8"
    & skf18("9","1","5","6","3","9","1") = "8"
    & skf18("9","1","5","6","3","10","1") = "9"
    & skf18("9","1","5","6","4","1","1") = "8"
    & skf18("9","1","5","6","4","2","1") = "8"
    & skf18("9","1","5","6","4","3","1") = "8"
    & skf18("9","1","5","6","4","4","1") = "8"
    & skf18("9","1","5","6","4","5","1") = "8"
    & skf18("9","1","5","6","4","6","1") = "8"
    & skf18("9","1","5","6","4","7","1") = "8"
    & skf18("9","1","5","6","4","8","1") = "8"
    & skf18("9","1","5","6","4","9","1") = "8"
    & skf18("9","1","5","6","4","10","1") = "9"
    & skf18("9","1","5","6","5","1","1") = "8"
    & skf18("9","1","5","6","5","2","1") = "8"
    & skf18("9","1","5","6","5","3","1") = "8"
    & skf18("9","1","5","6","5","4","1") = "8"
    & skf18("9","1","5","6","5","5","1") = "8"
    & skf18("9","1","5","6","5","6","1") = "8"
    & skf18("9","1","5","6","5","7","1") = "8"
    & skf18("9","1","5","6","5","8","1") = "8"
    & skf18("9","1","5","6","5","9","1") = "8"
    & skf18("9","1","5","6","5","10","1") = "9"
    & skf18("9","1","5","6","6","1","1") = "8"
    & skf18("9","1","5","6","6","2","1") = "8"
    & skf18("9","1","5","6","6","3","1") = "8"
    & skf18("9","1","5","6","6","4","1") = "8"
    & skf18("9","1","5","6","6","5","1") = "8"
    & skf18("9","1","5","6","6","6","1") = "8"
    & skf18("9","1","5","6","6","7","1") = "8"
    & skf18("9","1","5","6","6","8","1") = "8"
    & skf18("9","1","5","6","6","9","1") = "8"
    & skf18("9","1","5","6","6","10","1") = "9"
    & skf18("9","1","5","6","7","1","1") = "8"
    & skf18("9","1","5","6","7","2","1") = "8"
    & skf18("9","1","5","6","7","3","1") = "8"
    & skf18("9","1","5","6","7","4","1") = "8"
    & skf18("9","1","5","6","7","5","1") = "8"
    & skf18("9","1","5","6","7","6","1") = "8"
    & skf18("9","1","5","6","7","7","1") = "8"
    & skf18("9","1","5","6","7","8","1") = "8"
    & skf18("9","1","5","6","7","9","1") = "8"
    & skf18("9","1","5","6","7","10","1") = "9"
    & skf18("9","1","5","6","8","1","1") = "8"
    & skf18("9","1","5","6","8","2","1") = "8"
    & skf18("9","1","5","6","8","3","1") = "8"
    & skf18("9","1","5","6","8","4","1") = "8"
    & skf18("9","1","5","6","8","5","1") = "8"
    & skf18("9","1","5","6","8","6","1") = "8"
    & skf18("9","1","5","6","8","7","1") = "8"
    & skf18("9","1","5","6","8","8","1") = "8"
    & skf18("9","1","5","6","8","9","1") = "8"
    & skf18("9","1","5","6","8","10","1") = "9"
    & skf18("9","1","5","6","9","1","1") = "8"
    & skf18("9","1","5","6","9","2","1") = "8"
    & skf18("9","1","5","6","9","3","1") = "8"
    & skf18("9","1","5","6","9","4","1") = "8"
    & skf18("9","1","5","6","9","5","1") = "8"
    & skf18("9","1","5","6","9","6","1") = "8"
    & skf18("9","1","5","6","9","7","1") = "8"
    & skf18("9","1","5","6","9","8","1") = "8"
    & skf18("9","1","5","6","9","9","1") = "8"
    & skf18("9","1","5","6","9","10","1") = "9"
    & skf18("9","1","5","6","10","1","1") = "9"
    & skf18("9","1","5","6","10","2","1") = "9"
    & skf18("9","1","5","6","10","3","1") = "9"
    & skf18("9","1","5","6","10","4","1") = "9"
    & skf18("9","1","5","6","10","5","1") = "9"
    & skf18("9","1","5","6","10","6","1") = "9"
    & skf18("9","1","5","6","10","7","1") = "9"
    & skf18("9","1","5","6","10","8","1") = "9"
    & skf18("9","1","5","6","10","9","1") = "9"
    & skf18("9","1","5","6","10","10","1") = "9"
    & skf18("9","1","5","7","1","1","1") = "8"
    & skf18("9","1","5","7","1","2","1") = "8"
    & skf18("9","1","5","7","1","3","1") = "8"
    & skf18("9","1","5","7","1","4","1") = "8"
    & skf18("9","1","5","7","1","5","1") = "8"
    & skf18("9","1","5","7","1","6","1") = "8"
    & skf18("9","1","5","7","1","7","1") = "8"
    & skf18("9","1","5","7","1","8","1") = "8"
    & skf18("9","1","5","7","1","9","1") = "8"
    & skf18("9","1","5","7","1","10","1") = "9"
    & skf18("9","1","5","7","2","1","1") = "8"
    & skf18("9","1","5","7","2","2","1") = "8"
    & skf18("9","1","5","7","2","3","1") = "8"
    & skf18("9","1","5","7","2","4","1") = "8"
    & skf18("9","1","5","7","2","5","1") = "8"
    & skf18("9","1","5","7","2","6","1") = "8"
    & skf18("9","1","5","7","2","7","1") = "8"
    & skf18("9","1","5","7","2","8","1") = "8"
    & skf18("9","1","5","7","2","9","1") = "8"
    & skf18("9","1","5","7","2","10","1") = "9"
    & skf18("9","1","5","7","3","1","1") = "8"
    & skf18("9","1","5","7","3","2","1") = "8"
    & skf18("9","1","5","7","3","3","1") = "8"
    & skf18("9","1","5","7","3","4","1") = "8"
    & skf18("9","1","5","7","3","5","1") = "8"
    & skf18("9","1","5","7","3","6","1") = "8"
    & skf18("9","1","5","7","3","7","1") = "8"
    & skf18("9","1","5","7","3","8","1") = "8"
    & skf18("9","1","5","7","3","9","1") = "8"
    & skf18("9","1","5","7","3","10","1") = "9"
    & skf18("9","1","5","7","4","1","1") = "8"
    & skf18("9","1","5","7","4","2","1") = "8"
    & skf18("9","1","5","7","4","3","1") = "8"
    & skf18("9","1","5","7","4","4","1") = "8"
    & skf18("9","1","5","7","4","5","1") = "8"
    & skf18("9","1","5","7","4","6","1") = "8"
    & skf18("9","1","5","7","4","7","1") = "8"
    & skf18("9","1","5","7","4","8","1") = "8"
    & skf18("9","1","5","7","4","9","1") = "8"
    & skf18("9","1","5","7","4","10","1") = "9"
    & skf18("9","1","5","7","5","1","1") = "8"
    & skf18("9","1","5","7","5","2","1") = "8"
    & skf18("9","1","5","7","5","3","1") = "8"
    & skf18("9","1","5","7","5","4","1") = "8"
    & skf18("9","1","5","7","5","5","1") = "8"
    & skf18("9","1","5","7","5","6","1") = "8"
    & skf18("9","1","5","7","5","7","1") = "8"
    & skf18("9","1","5","7","5","8","1") = "8"
    & skf18("9","1","5","7","5","9","1") = "8"
    & skf18("9","1","5","7","5","10","1") = "9"
    & skf18("9","1","5","7","6","1","1") = "8"
    & skf18("9","1","5","7","6","2","1") = "8"
    & skf18("9","1","5","7","6","3","1") = "8"
    & skf18("9","1","5","7","6","4","1") = "8"
    & skf18("9","1","5","7","6","5","1") = "8"
    & skf18("9","1","5","7","6","6","1") = "8"
    & skf18("9","1","5","7","6","7","1") = "8"
    & skf18("9","1","5","7","6","8","1") = "8"
    & skf18("9","1","5","7","6","9","1") = "8"
    & skf18("9","1","5","7","6","10","1") = "9"
    & skf18("9","1","5","7","7","1","1") = "8"
    & skf18("9","1","5","7","7","2","1") = "8"
    & skf18("9","1","5","7","7","3","1") = "8"
    & skf18("9","1","5","7","7","4","1") = "8"
    & skf18("9","1","5","7","7","5","1") = "8"
    & skf18("9","1","5","7","7","6","1") = "8"
    & skf18("9","1","5","7","7","7","1") = "8"
    & skf18("9","1","5","7","7","8","1") = "8"
    & skf18("9","1","5","7","7","9","1") = "8"
    & skf18("9","1","5","7","7","10","1") = "9"
    & skf18("9","1","5","7","8","1","1") = "8"
    & skf18("9","1","5","7","8","2","1") = "8"
    & skf18("9","1","5","7","8","3","1") = "8"
    & skf18("9","1","5","7","8","4","1") = "8"
    & skf18("9","1","5","7","8","5","1") = "8"
    & skf18("9","1","5","7","8","6","1") = "8"
    & skf18("9","1","5","7","8","7","1") = "8"
    & skf18("9","1","5","7","8","8","1") = "8"
    & skf18("9","1","5","7","8","9","1") = "8"
    & skf18("9","1","5","7","8","10","1") = "9"
    & skf18("9","1","5","7","9","1","1") = "8"
    & skf18("9","1","5","7","9","2","1") = "8"
    & skf18("9","1","5","7","9","3","1") = "8"
    & skf18("9","1","5","7","9","4","1") = "8"
    & skf18("9","1","5","7","9","5","1") = "8"
    & skf18("9","1","5","7","9","6","1") = "8"
    & skf18("9","1","5","7","9","7","1") = "8"
    & skf18("9","1","5","7","9","8","1") = "8"
    & skf18("9","1","5","7","9","9","1") = "8"
    & skf18("9","1","5","7","9","10","1") = "9"
    & skf18("9","1","5","7","10","1","1") = "9"
    & skf18("9","1","5","7","10","2","1") = "9"
    & skf18("9","1","5","7","10","3","1") = "9"
    & skf18("9","1","5","7","10","4","1") = "9"
    & skf18("9","1","5","7","10","5","1") = "9"
    & skf18("9","1","5","7","10","6","1") = "9"
    & skf18("9","1","5","7","10","7","1") = "9"
    & skf18("9","1","5","7","10","8","1") = "9"
    & skf18("9","1","5","7","10","9","1") = "9"
    & skf18("9","1","5","7","10","10","1") = "9"
    & skf18("9","1","5","8","1","1","1") = "8"
    & skf18("9","1","5","8","1","2","1") = "8"
    & skf18("9","1","5","8","1","3","1") = "8"
    & skf18("9","1","5","8","1","4","1") = "8"
    & skf18("9","1","5","8","1","5","1") = "8"
    & skf18("9","1","5","8","1","6","1") = "8"
    & skf18("9","1","5","8","1","7","1") = "8"
    & skf18("9","1","5","8","1","8","1") = "8"
    & skf18("9","1","5","8","1","9","1") = "8"
    & skf18("9","1","5","8","1","10","1") = "9"
    & skf18("9","1","5","8","2","1","1") = "8"
    & skf18("9","1","5","8","2","2","1") = "8"
    & skf18("9","1","5","8","2","3","1") = "8"
    & skf18("9","1","5","8","2","4","1") = "8"
    & skf18("9","1","5","8","2","5","1") = "8"
    & skf18("9","1","5","8","2","6","1") = "8"
    & skf18("9","1","5","8","2","7","1") = "8"
    & skf18("9","1","5","8","2","8","1") = "8"
    & skf18("9","1","5","8","2","9","1") = "8"
    & skf18("9","1","5","8","2","10","1") = "9"
    & skf18("9","1","5","8","3","1","1") = "8"
    & skf18("9","1","5","8","3","2","1") = "8"
    & skf18("9","1","5","8","3","3","1") = "8"
    & skf18("9","1","5","8","3","4","1") = "8"
    & skf18("9","1","5","8","3","5","1") = "8"
    & skf18("9","1","5","8","3","6","1") = "8"
    & skf18("9","1","5","8","3","7","1") = "8"
    & skf18("9","1","5","8","3","8","1") = "8"
    & skf18("9","1","5","8","3","9","1") = "8"
    & skf18("9","1","5","8","3","10","1") = "9"
    & skf18("9","1","5","8","4","1","1") = "8"
    & skf18("9","1","5","8","4","2","1") = "8"
    & skf18("9","1","5","8","4","3","1") = "8"
    & skf18("9","1","5","8","4","4","1") = "8"
    & skf18("9","1","5","8","4","5","1") = "8"
    & skf18("9","1","5","8","4","6","1") = "8"
    & skf18("9","1","5","8","4","7","1") = "8"
    & skf18("9","1","5","8","4","8","1") = "8"
    & skf18("9","1","5","8","4","9","1") = "8"
    & skf18("9","1","5","8","4","10","1") = "9"
    & skf18("9","1","5","8","5","1","1") = "8"
    & skf18("9","1","5","8","5","2","1") = "8"
    & skf18("9","1","5","8","5","3","1") = "8"
    & skf18("9","1","5","8","5","4","1") = "8"
    & skf18("9","1","5","8","5","5","1") = "8"
    & skf18("9","1","5","8","5","6","1") = "8"
    & skf18("9","1","5","8","5","7","1") = "8"
    & skf18("9","1","5","8","5","8","1") = "8"
    & skf18("9","1","5","8","5","9","1") = "8"
    & skf18("9","1","5","8","5","10","1") = "9"
    & skf18("9","1","5","8","6","1","1") = "8"
    & skf18("9","1","5","8","6","2","1") = "8"
    & skf18("9","1","5","8","6","3","1") = "8"
    & skf18("9","1","5","8","6","4","1") = "8"
    & skf18("9","1","5","8","6","5","1") = "8"
    & skf18("9","1","5","8","6","6","1") = "8"
    & skf18("9","1","5","8","6","7","1") = "8"
    & skf18("9","1","5","8","6","8","1") = "8"
    & skf18("9","1","5","8","6","9","1") = "8"
    & skf18("9","1","5","8","6","10","1") = "9"
    & skf18("9","1","5","8","7","1","1") = "8"
    & skf18("9","1","5","8","7","2","1") = "8"
    & skf18("9","1","5","8","7","3","1") = "8"
    & skf18("9","1","5","8","7","4","1") = "8"
    & skf18("9","1","5","8","7","5","1") = "8"
    & skf18("9","1","5","8","7","6","1") = "8"
    & skf18("9","1","5","8","7","7","1") = "8"
    & skf18("9","1","5","8","7","8","1") = "8"
    & skf18("9","1","5","8","7","9","1") = "8"
    & skf18("9","1","5","8","7","10","1") = "9"
    & skf18("9","1","5","8","8","1","1") = "8"
    & skf18("9","1","5","8","8","2","1") = "8"
    & skf18("9","1","5","8","8","3","1") = "8"
    & skf18("9","1","5","8","8","4","1") = "8"
    & skf18("9","1","5","8","8","5","1") = "8"
    & skf18("9","1","5","8","8","6","1") = "8"
    & skf18("9","1","5","8","8","7","1") = "8"
    & skf18("9","1","5","8","8","8","1") = "8"
    & skf18("9","1","5","8","8","9","1") = "8"
    & skf18("9","1","5","8","8","10","1") = "9"
    & skf18("9","1","5","8","9","1","1") = "8"
    & skf18("9","1","5","8","9","2","1") = "8"
    & skf18("9","1","5","8","9","3","1") = "8"
    & skf18("9","1","5","8","9","4","1") = "8"
    & skf18("9","1","5","8","9","5","1") = "8"
    & skf18("9","1","5","8","9","6","1") = "8"
    & skf18("9","1","5","8","9","7","1") = "8"
    & skf18("9","1","5","8","9","8","1") = "8"
    & skf18("9","1","5","8","9","9","1") = "8"
    & skf18("9","1","5","8","9","10","1") = "9"
    & skf18("9","1","5","8","10","1","1") = "9"
    & skf18("9","1","5","8","10","2","1") = "9"
    & skf18("9","1","5","8","10","3","1") = "9"
    & skf18("9","1","5","8","10","4","1") = "9"
    & skf18("9","1","5","8","10","5","1") = "9"
    & skf18("9","1","5","8","10","6","1") = "9"
    & skf18("9","1","5","8","10","7","1") = "9"
    & skf18("9","1","5","8","10","8","1") = "9"
    & skf18("9","1","5","8","10","9","1") = "9"
    & skf18("9","1","5","8","10","10","1") = "9"
    & skf18("9","1","5","9","1","1","1") = "8"
    & skf18("9","1","5","9","1","2","1") = "8"
    & skf18("9","1","5","9","1","3","1") = "8"
    & skf18("9","1","5","9","1","4","1") = "8"
    & skf18("9","1","5","9","1","5","1") = "8"
    & skf18("9","1","5","9","1","6","1") = "8"
    & skf18("9","1","5","9","1","7","1") = "8"
    & skf18("9","1","5","9","1","8","1") = "8"
    & skf18("9","1","5","9","1","9","1") = "8"
    & skf18("9","1","5","9","1","10","1") = "9"
    & skf18("9","1","5","9","2","1","1") = "8"
    & skf18("9","1","5","9","2","2","1") = "8"
    & skf18("9","1","5","9","2","3","1") = "8"
    & skf18("9","1","5","9","2","4","1") = "8"
    & skf18("9","1","5","9","2","5","1") = "8"
    & skf18("9","1","5","9","2","6","1") = "8"
    & skf18("9","1","5","9","2","7","1") = "8"
    & skf18("9","1","5","9","2","8","1") = "8"
    & skf18("9","1","5","9","2","9","1") = "8"
    & skf18("9","1","5","9","2","10","1") = "9"
    & skf18("9","1","5","9","3","1","1") = "8"
    & skf18("9","1","5","9","3","2","1") = "8"
    & skf18("9","1","5","9","3","3","1") = "8"
    & skf18("9","1","5","9","3","4","1") = "8"
    & skf18("9","1","5","9","3","5","1") = "8"
    & skf18("9","1","5","9","3","6","1") = "8"
    & skf18("9","1","5","9","3","7","1") = "8"
    & skf18("9","1","5","9","3","8","1") = "8"
    & skf18("9","1","5","9","3","9","1") = "8"
    & skf18("9","1","5","9","3","10","1") = "9"
    & skf18("9","1","5","9","4","1","1") = "8"
    & skf18("9","1","5","9","4","2","1") = "8"
    & skf18("9","1","5","9","4","3","1") = "8"
    & skf18("9","1","5","9","4","4","1") = "8"
    & skf18("9","1","5","9","4","5","1") = "8"
    & skf18("9","1","5","9","4","6","1") = "8"
    & skf18("9","1","5","9","4","7","1") = "8"
    & skf18("9","1","5","9","4","8","1") = "8"
    & skf18("9","1","5","9","4","9","1") = "8"
    & skf18("9","1","5","9","4","10","1") = "9"
    & skf18("9","1","5","9","5","1","1") = "8"
    & skf18("9","1","5","9","5","2","1") = "8"
    & skf18("9","1","5","9","5","3","1") = "8"
    & skf18("9","1","5","9","5","4","1") = "8"
    & skf18("9","1","5","9","5","5","1") = "8"
    & skf18("9","1","5","9","5","6","1") = "8"
    & skf18("9","1","5","9","5","7","1") = "8"
    & skf18("9","1","5","9","5","8","1") = "8"
    & skf18("9","1","5","9","5","9","1") = "8"
    & skf18("9","1","5","9","5","10","1") = "9"
    & skf18("9","1","5","9","6","1","1") = "8"
    & skf18("9","1","5","9","6","2","1") = "8"
    & skf18("9","1","5","9","6","3","1") = "8"
    & skf18("9","1","5","9","6","4","1") = "8"
    & skf18("9","1","5","9","6","5","1") = "8"
    & skf18("9","1","5","9","6","6","1") = "8"
    & skf18("9","1","5","9","6","7","1") = "8"
    & skf18("9","1","5","9","6","8","1") = "8"
    & skf18("9","1","5","9","6","9","1") = "8"
    & skf18("9","1","5","9","6","10","1") = "9"
    & skf18("9","1","5","9","7","1","1") = "8"
    & skf18("9","1","5","9","7","2","1") = "8"
    & skf18("9","1","5","9","7","3","1") = "8"
    & skf18("9","1","5","9","7","4","1") = "8"
    & skf18("9","1","5","9","7","5","1") = "8"
    & skf18("9","1","5","9","7","6","1") = "8"
    & skf18("9","1","5","9","7","7","1") = "8"
    & skf18("9","1","5","9","7","8","1") = "8"
    & skf18("9","1","5","9","7","9","1") = "8"
    & skf18("9","1","5","9","7","10","1") = "9"
    & skf18("9","1","5","9","8","1","1") = "8"
    & skf18("9","1","5","9","8","2","1") = "8"
    & skf18("9","1","5","9","8","3","1") = "8"
    & skf18("9","1","5","9","8","4","1") = "8"
    & skf18("9","1","5","9","8","5","1") = "8"
    & skf18("9","1","5","9","8","6","1") = "8"
    & skf18("9","1","5","9","8","7","1") = "8"
    & skf18("9","1","5","9","8","8","1") = "8"
    & skf18("9","1","5","9","8","9","1") = "8"
    & skf18("9","1","5","9","8","10","1") = "9"
    & skf18("9","1","5","9","9","1","1") = "8"
    & skf18("9","1","5","9","9","2","1") = "8"
    & skf18("9","1","5","9","9","3","1") = "8"
    & skf18("9","1","5","9","9","4","1") = "8"
    & skf18("9","1","5","9","9","5","1") = "8"
    & skf18("9","1","5","9","9","6","1") = "8"
    & skf18("9","1","5","9","9","7","1") = "8"
    & skf18("9","1","5","9","9","8","1") = "8"
    & skf18("9","1","5","9","9","9","1") = "8"
    & skf18("9","1","5","9","9","10","1") = "9"
    & skf18("9","1","5","9","10","1","1") = "9"
    & skf18("9","1","5","9","10","2","1") = "9"
    & skf18("9","1","5","9","10","3","1") = "9"
    & skf18("9","1","5","9","10","4","1") = "9"
    & skf18("9","1","5","9","10","5","1") = "9"
    & skf18("9","1","5","9","10","6","1") = "9"
    & skf18("9","1","5","9","10","7","1") = "9"
    & skf18("9","1","5","9","10","8","1") = "9"
    & skf18("9","1","5","9","10","9","1") = "9"
    & skf18("9","1","5","9","10","10","1") = "9"
    & skf18("9","1","5","10","1","1","1") = "9"
    & skf18("9","1","5","10","1","2","1") = "9"
    & skf18("9","1","5","10","1","3","1") = "9"
    & skf18("9","1","5","10","1","4","1") = "9"
    & skf18("9","1","5","10","1","5","1") = "9"
    & skf18("9","1","5","10","1","6","1") = "9"
    & skf18("9","1","5","10","1","7","1") = "9"
    & skf18("9","1","5","10","1","8","1") = "9"
    & skf18("9","1","5","10","1","9","1") = "9"
    & skf18("9","1","5","10","1","10","1") = "9"
    & skf18("9","1","5","10","2","1","1") = "9"
    & skf18("9","1","5","10","2","2","1") = "9"
    & skf18("9","1","5","10","2","3","1") = "9"
    & skf18("9","1","5","10","2","4","1") = "9"
    & skf18("9","1","5","10","2","5","1") = "9"
    & skf18("9","1","5","10","2","6","1") = "9"
    & skf18("9","1","5","10","2","7","1") = "9"
    & skf18("9","1","5","10","2","8","1") = "9"
    & skf18("9","1","5","10","2","9","1") = "9"
    & skf18("9","1","5","10","2","10","1") = "9"
    & skf18("9","1","5","10","3","1","1") = "9"
    & skf18("9","1","5","10","3","2","1") = "9"
    & skf18("9","1","5","10","3","3","1") = "9"
    & skf18("9","1","5","10","3","4","1") = "9"
    & skf18("9","1","5","10","3","5","1") = "9"
    & skf18("9","1","5","10","3","6","1") = "9"
    & skf18("9","1","5","10","3","7","1") = "9"
    & skf18("9","1","5","10","3","8","1") = "9"
    & skf18("9","1","5","10","3","9","1") = "9"
    & skf18("9","1","5","10","3","10","1") = "9"
    & skf18("9","1","5","10","4","1","1") = "9"
    & skf18("9","1","5","10","4","2","1") = "9"
    & skf18("9","1","5","10","4","3","1") = "9"
    & skf18("9","1","5","10","4","4","1") = "9"
    & skf18("9","1","5","10","4","5","1") = "9"
    & skf18("9","1","5","10","4","6","1") = "9"
    & skf18("9","1","5","10","4","7","1") = "9"
    & skf18("9","1","5","10","4","8","1") = "9"
    & skf18("9","1","5","10","4","9","1") = "9"
    & skf18("9","1","5","10","4","10","1") = "9"
    & skf18("9","1","5","10","5","1","1") = "9"
    & skf18("9","1","5","10","5","2","1") = "9"
    & skf18("9","1","5","10","5","3","1") = "9"
    & skf18("9","1","5","10","5","4","1") = "9"
    & skf18("9","1","5","10","5","5","1") = "9"
    & skf18("9","1","5","10","5","6","1") = "9"
    & skf18("9","1","5","10","5","7","1") = "9"
    & skf18("9","1","5","10","5","8","1") = "9"
    & skf18("9","1","5","10","5","9","1") = "9"
    & skf18("9","1","5","10","5","10","1") = "9"
    & skf18("9","1","5","10","6","1","1") = "9"
    & skf18("9","1","5","10","6","2","1") = "9"
    & skf18("9","1","5","10","6","3","1") = "9"
    & skf18("9","1","5","10","6","4","1") = "9"
    & skf18("9","1","5","10","6","5","1") = "9"
    & skf18("9","1","5","10","6","6","1") = "9"
    & skf18("9","1","5","10","6","7","1") = "9"
    & skf18("9","1","5","10","6","8","1") = "9"
    & skf18("9","1","5","10","6","9","1") = "9"
    & skf18("9","1","5","10","6","10","1") = "9"
    & skf18("9","1","5","10","7","1","1") = "9"
    & skf18("9","1","5","10","7","2","1") = "9"
    & skf18("9","1","5","10","7","3","1") = "9"
    & skf18("9","1","5","10","7","4","1") = "9"
    & skf18("9","1","5","10","7","5","1") = "9"
    & skf18("9","1","5","10","7","6","1") = "9"
    & skf18("9","1","5","10","7","7","1") = "9"
    & skf18("9","1","5","10","7","8","1") = "9"
    & skf18("9","1","5","10","7","9","1") = "9"
    & skf18("9","1","5","10","7","10","1") = "9"
    & skf18("9","1","5","10","8","1","1") = "9"
    & skf18("9","1","5","10","8","2","1") = "9"
    & skf18("9","1","5","10","8","3","1") = "9"
    & skf18("9","1","5","10","8","4","1") = "9"
    & skf18("9","1","5","10","8","5","1") = "9"
    & skf18("9","1","5","10","8","6","1") = "9"
    & skf18("9","1","5","10","8","7","1") = "9"
    & skf18("9","1","5","10","8","8","1") = "9"
    & skf18("9","1","5","10","8","9","1") = "9"
    & skf18("9","1","5","10","8","10","1") = "9"
    & skf18("9","1","5","10","9","1","1") = "9"
    & skf18("9","1","5","10","9","2","1") = "9"
    & skf18("9","1","5","10","9","3","1") = "9"
    & skf18("9","1","5","10","9","4","1") = "9"
    & skf18("9","1","5","10","9","5","1") = "9"
    & skf18("9","1","5","10","9","6","1") = "9"
    & skf18("9","1","5","10","9","7","1") = "9"
    & skf18("9","1","5","10","9","8","1") = "9"
    & skf18("9","1","5","10","9","9","1") = "9"
    & skf18("9","1","5","10","9","10","1") = "9"
    & skf18("9","1","5","10","10","1","1") = "9"
    & skf18("9","1","5","10","10","2","1") = "9"
    & skf18("9","1","5","10","10","3","1") = "9"
    & skf18("9","1","5","10","10","4","1") = "9"
    & skf18("9","1","5","10","10","5","1") = "9"
    & skf18("9","1","5","10","10","6","1") = "9"
    & skf18("9","1","5","10","10","7","1") = "9"
    & skf18("9","1","5","10","10","8","1") = "9"
    & skf18("9","1","5","10","10","9","1") = "9"
    & skf18("9","1","5","10","10","10","1") = "9"
    & skf18("9","1","6","1","1","1","1") = "8"
    & skf18("9","1","6","1","1","2","1") = "8"
    & skf18("9","1","6","1","1","3","1") = "8"
    & skf18("9","1","6","1","1","4","1") = "8"
    & skf18("9","1","6","1","1","5","1") = "8"
    & skf18("9","1","6","1","1","6","1") = "8"
    & skf18("9","1","6","1","1","7","1") = "8"
    & skf18("9","1","6","1","1","8","1") = "8"
    & skf18("9","1","6","1","1","9","1") = "8"
    & skf18("9","1","6","1","1","10","1") = "9"
    & skf18("9","1","6","1","2","1","1") = "8"
    & skf18("9","1","6","1","2","2","1") = "8"
    & skf18("9","1","6","1","2","3","1") = "8"
    & skf18("9","1","6","1","2","4","1") = "8"
    & skf18("9","1","6","1","2","5","1") = "8"
    & skf18("9","1","6","1","2","6","1") = "8"
    & skf18("9","1","6","1","2","7","1") = "8"
    & skf18("9","1","6","1","2","8","1") = "8"
    & skf18("9","1","6","1","2","9","1") = "8"
    & skf18("9","1","6","1","2","10","1") = "9"
    & skf18("9","1","6","1","3","1","1") = "8"
    & skf18("9","1","6","1","3","2","1") = "8"
    & skf18("9","1","6","1","3","3","1") = "8"
    & skf18("9","1","6","1","3","4","1") = "8"
    & skf18("9","1","6","1","3","5","1") = "8"
    & skf18("9","1","6","1","3","6","1") = "8"
    & skf18("9","1","6","1","3","7","1") = "8"
    & skf18("9","1","6","1","3","8","1") = "8"
    & skf18("9","1","6","1","3","9","1") = "8"
    & skf18("9","1","6","1","3","10","1") = "9"
    & skf18("9","1","6","1","4","1","1") = "8"
    & skf18("9","1","6","1","4","2","1") = "8"
    & skf18("9","1","6","1","4","3","1") = "8"
    & skf18("9","1","6","1","4","4","1") = "8"
    & skf18("9","1","6","1","4","5","1") = "8"
    & skf18("9","1","6","1","4","6","1") = "8"
    & skf18("9","1","6","1","4","7","1") = "8"
    & skf18("9","1","6","1","4","8","1") = "8"
    & skf18("9","1","6","1","4","9","1") = "8"
    & skf18("9","1","6","1","4","10","1") = "9"
    & skf18("9","1","6","1","5","1","1") = "8"
    & skf18("9","1","6","1","5","2","1") = "8"
    & skf18("9","1","6","1","5","3","1") = "8"
    & skf18("9","1","6","1","5","4","1") = "8"
    & skf18("9","1","6","1","5","5","1") = "8"
    & skf18("9","1","6","1","5","6","1") = "8"
    & skf18("9","1","6","1","5","7","1") = "8"
    & skf18("9","1","6","1","5","8","1") = "8"
    & skf18("9","1","6","1","5","9","1") = "8"
    & skf18("9","1","6","1","5","10","1") = "9"
    & skf18("9","1","6","1","6","1","1") = "8"
    & skf18("9","1","6","1","6","2","1") = "8"
    & skf18("9","1","6","1","6","3","1") = "8"
    & skf18("9","1","6","1","6","4","1") = "8"
    & skf18("9","1","6","1","6","5","1") = "8"
    & skf18("9","1","6","1","6","6","1") = "8"
    & skf18("9","1","6","1","6","7","1") = "8"
    & skf18("9","1","6","1","6","8","1") = "8"
    & skf18("9","1","6","1","6","9","1") = "8"
    & skf18("9","1","6","1","6","10","1") = "9"
    & skf18("9","1","6","1","7","1","1") = "8"
    & skf18("9","1","6","1","7","2","1") = "8"
    & skf18("9","1","6","1","7","3","1") = "8"
    & skf18("9","1","6","1","7","4","1") = "8"
    & skf18("9","1","6","1","7","5","1") = "8"
    & skf18("9","1","6","1","7","6","1") = "8"
    & skf18("9","1","6","1","7","7","1") = "8"
    & skf18("9","1","6","1","7","8","1") = "8"
    & skf18("9","1","6","1","7","9","1") = "8"
    & skf18("9","1","6","1","7","10","1") = "9"
    & skf18("9","1","6","1","8","1","1") = "8"
    & skf18("9","1","6","1","8","2","1") = "8"
    & skf18("9","1","6","1","8","3","1") = "8"
    & skf18("9","1","6","1","8","4","1") = "8"
    & skf18("9","1","6","1","8","5","1") = "8"
    & skf18("9","1","6","1","8","6","1") = "8"
    & skf18("9","1","6","1","8","7","1") = "8"
    & skf18("9","1","6","1","8","8","1") = "8"
    & skf18("9","1","6","1","8","9","1") = "8"
    & skf18("9","1","6","1","8","10","1") = "9"
    & skf18("9","1","6","1","9","1","1") = "8"
    & skf18("9","1","6","1","9","2","1") = "8"
    & skf18("9","1","6","1","9","3","1") = "8"
    & skf18("9","1","6","1","9","4","1") = "8"
    & skf18("9","1","6","1","9","5","1") = "8"
    & skf18("9","1","6","1","9","6","1") = "8"
    & skf18("9","1","6","1","9","7","1") = "8"
    & skf18("9","1","6","1","9","8","1") = "8"
    & skf18("9","1","6","1","9","9","1") = "8"
    & skf18("9","1","6","1","9","10","1") = "9"
    & skf18("9","1","6","1","10","1","1") = "9"
    & skf18("9","1","6","1","10","2","1") = "9"
    & skf18("9","1","6","1","10","3","1") = "9"
    & skf18("9","1","6","1","10","4","1") = "9"
    & skf18("9","1","6","1","10","5","1") = "9"
    & skf18("9","1","6","1","10","6","1") = "9"
    & skf18("9","1","6","1","10","7","1") = "9"
    & skf18("9","1","6","1","10","8","1") = "9"
    & skf18("9","1","6","1","10","9","1") = "9"
    & skf18("9","1","6","1","10","10","1") = "9"
    & skf18("9","1","6","2","1","1","1") = "8"
    & skf18("9","1","6","2","1","2","1") = "8"
    & skf18("9","1","6","2","1","3","1") = "8"
    & skf18("9","1","6","2","1","4","1") = "8"
    & skf18("9","1","6","2","1","5","1") = "8"
    & skf18("9","1","6","2","1","6","1") = "8"
    & skf18("9","1","6","2","1","7","1") = "8"
    & skf18("9","1","6","2","1","8","1") = "8"
    & skf18("9","1","6","2","1","9","1") = "8"
    & skf18("9","1","6","2","1","10","1") = "9"
    & skf18("9","1","6","2","2","1","1") = "8"
    & skf18("9","1","6","2","2","2","1") = "8"
    & skf18("9","1","6","2","2","3","1") = "8"
    & skf18("9","1","6","2","2","4","1") = "8"
    & skf18("9","1","6","2","2","5","1") = "8"
    & skf18("9","1","6","2","2","6","1") = "8"
    & skf18("9","1","6","2","2","7","1") = "8"
    & skf18("9","1","6","2","2","8","1") = "8"
    & skf18("9","1","6","2","2","9","1") = "8"
    & skf18("9","1","6","2","2","10","1") = "9"
    & skf18("9","1","6","2","3","1","1") = "8"
    & skf18("9","1","6","2","3","2","1") = "8"
    & skf18("9","1","6","2","3","3","1") = "8"
    & skf18("9","1","6","2","3","4","1") = "8"
    & skf18("9","1","6","2","3","5","1") = "8"
    & skf18("9","1","6","2","3","6","1") = "8"
    & skf18("9","1","6","2","3","7","1") = "8"
    & skf18("9","1","6","2","3","8","1") = "8"
    & skf18("9","1","6","2","3","9","1") = "8"
    & skf18("9","1","6","2","3","10","1") = "9"
    & skf18("9","1","6","2","4","1","1") = "8"
    & skf18("9","1","6","2","4","2","1") = "8"
    & skf18("9","1","6","2","4","3","1") = "8"
    & skf18("9","1","6","2","4","4","1") = "8"
    & skf18("9","1","6","2","4","5","1") = "8"
    & skf18("9","1","6","2","4","6","1") = "8"
    & skf18("9","1","6","2","4","7","1") = "8"
    & skf18("9","1","6","2","4","8","1") = "8"
    & skf18("9","1","6","2","4","9","1") = "8"
    & skf18("9","1","6","2","4","10","1") = "9"
    & skf18("9","1","6","2","5","1","1") = "8"
    & skf18("9","1","6","2","5","2","1") = "8"
    & skf18("9","1","6","2","5","3","1") = "8"
    & skf18("9","1","6","2","5","4","1") = "8"
    & skf18("9","1","6","2","5","5","1") = "8"
    & skf18("9","1","6","2","5","6","1") = "8"
    & skf18("9","1","6","2","5","7","1") = "8"
    & skf18("9","1","6","2","5","8","1") = "8"
    & skf18("9","1","6","2","5","9","1") = "8"
    & skf18("9","1","6","2","5","10","1") = "9"
    & skf18("9","1","6","2","6","1","1") = "8"
    & skf18("9","1","6","2","6","2","1") = "8"
    & skf18("9","1","6","2","6","3","1") = "8"
    & skf18("9","1","6","2","6","4","1") = "8"
    & skf18("9","1","6","2","6","5","1") = "8"
    & skf18("9","1","6","2","6","6","1") = "8"
    & skf18("9","1","6","2","6","7","1") = "8"
    & skf18("9","1","6","2","6","8","1") = "8"
    & skf18("9","1","6","2","6","9","1") = "8"
    & skf18("9","1","6","2","6","10","1") = "9"
    & skf18("9","1","6","2","7","1","1") = "8"
    & skf18("9","1","6","2","7","2","1") = "8"
    & skf18("9","1","6","2","7","3","1") = "8"
    & skf18("9","1","6","2","7","4","1") = "8"
    & skf18("9","1","6","2","7","5","1") = "8"
    & skf18("9","1","6","2","7","6","1") = "8"
    & skf18("9","1","6","2","7","7","1") = "8"
    & skf18("9","1","6","2","7","8","1") = "8"
    & skf18("9","1","6","2","7","9","1") = "8"
    & skf18("9","1","6","2","7","10","1") = "9"
    & skf18("9","1","6","2","8","1","1") = "8"
    & skf18("9","1","6","2","8","2","1") = "8"
    & skf18("9","1","6","2","8","3","1") = "8"
    & skf18("9","1","6","2","8","4","1") = "8"
    & skf18("9","1","6","2","8","5","1") = "8"
    & skf18("9","1","6","2","8","6","1") = "8"
    & skf18("9","1","6","2","8","7","1") = "8"
    & skf18("9","1","6","2","8","8","1") = "8"
    & skf18("9","1","6","2","8","9","1") = "8"
    & skf18("9","1","6","2","8","10","1") = "9"
    & skf18("9","1","6","2","9","1","1") = "8"
    & skf18("9","1","6","2","9","2","1") = "8"
    & skf18("9","1","6","2","9","3","1") = "8"
    & skf18("9","1","6","2","9","4","1") = "8"
    & skf18("9","1","6","2","9","5","1") = "8"
    & skf18("9","1","6","2","9","6","1") = "8"
    & skf18("9","1","6","2","9","7","1") = "8"
    & skf18("9","1","6","2","9","8","1") = "8"
    & skf18("9","1","6","2","9","9","1") = "8"
    & skf18("9","1","6","2","9","10","1") = "9"
    & skf18("9","1","6","2","10","1","1") = "9"
    & skf18("9","1","6","2","10","2","1") = "9"
    & skf18("9","1","6","2","10","3","1") = "9"
    & skf18("9","1","6","2","10","4","1") = "9"
    & skf18("9","1","6","2","10","5","1") = "9"
    & skf18("9","1","6","2","10","6","1") = "9"
    & skf18("9","1","6","2","10","7","1") = "9"
    & skf18("9","1","6","2","10","8","1") = "9"
    & skf18("9","1","6","2","10","9","1") = "9"
    & skf18("9","1","6","2","10","10","1") = "9"
    & skf18("9","1","6","3","1","1","1") = "8"
    & skf18("9","1","6","3","1","2","1") = "8"
    & skf18("9","1","6","3","1","3","1") = "8"
    & skf18("9","1","6","3","1","4","1") = "8"
    & skf18("9","1","6","3","1","5","1") = "8"
    & skf18("9","1","6","3","1","6","1") = "8"
    & skf18("9","1","6","3","1","7","1") = "8"
    & skf18("9","1","6","3","1","8","1") = "8"
    & skf18("9","1","6","3","1","9","1") = "8"
    & skf18("9","1","6","3","1","10","1") = "9"
    & skf18("9","1","6","3","2","1","1") = "8"
    & skf18("9","1","6","3","2","2","1") = "8"
    & skf18("9","1","6","3","2","3","1") = "8"
    & skf18("9","1","6","3","2","4","1") = "8"
    & skf18("9","1","6","3","2","5","1") = "8"
    & skf18("9","1","6","3","2","6","1") = "8"
    & skf18("9","1","6","3","2","7","1") = "8"
    & skf18("9","1","6","3","2","8","1") = "8"
    & skf18("9","1","6","3","2","9","1") = "8"
    & skf18("9","1","6","3","2","10","1") = "9"
    & skf18("9","1","6","3","3","1","1") = "8"
    & skf18("9","1","6","3","3","2","1") = "8"
    & skf18("9","1","6","3","3","3","1") = "8"
    & skf18("9","1","6","3","3","4","1") = "8"
    & skf18("9","1","6","3","3","5","1") = "8"
    & skf18("9","1","6","3","3","6","1") = "8"
    & skf18("9","1","6","3","3","7","1") = "8"
    & skf18("9","1","6","3","3","8","1") = "8"
    & skf18("9","1","6","3","3","9","1") = "8"
    & skf18("9","1","6","3","3","10","1") = "9"
    & skf18("9","1","6","3","4","1","1") = "8"
    & skf18("9","1","6","3","4","2","1") = "8"
    & skf18("9","1","6","3","4","3","1") = "8"
    & skf18("9","1","6","3","4","4","1") = "8"
    & skf18("9","1","6","3","4","5","1") = "8"
    & skf18("9","1","6","3","4","6","1") = "8"
    & skf18("9","1","6","3","4","7","1") = "8"
    & skf18("9","1","6","3","4","8","1") = "8"
    & skf18("9","1","6","3","4","9","1") = "8"
    & skf18("9","1","6","3","4","10","1") = "9"
    & skf18("9","1","6","3","5","1","1") = "8"
    & skf18("9","1","6","3","5","2","1") = "8"
    & skf18("9","1","6","3","5","3","1") = "8"
    & skf18("9","1","6","3","5","4","1") = "8"
    & skf18("9","1","6","3","5","5","1") = "8"
    & skf18("9","1","6","3","5","6","1") = "8"
    & skf18("9","1","6","3","5","7","1") = "8"
    & skf18("9","1","6","3","5","8","1") = "8"
    & skf18("9","1","6","3","5","9","1") = "8"
    & skf18("9","1","6","3","5","10","1") = "9"
    & skf18("9","1","6","3","6","1","1") = "8"
    & skf18("9","1","6","3","6","2","1") = "8"
    & skf18("9","1","6","3","6","3","1") = "8"
    & skf18("9","1","6","3","6","4","1") = "8"
    & skf18("9","1","6","3","6","5","1") = "8"
    & skf18("9","1","6","3","6","6","1") = "8"
    & skf18("9","1","6","3","6","7","1") = "8"
    & skf18("9","1","6","3","6","8","1") = "8"
    & skf18("9","1","6","3","6","9","1") = "8"
    & skf18("9","1","6","3","6","10","1") = "9"
    & skf18("9","1","6","3","7","1","1") = "8"
    & skf18("9","1","6","3","7","2","1") = "8"
    & skf18("9","1","6","3","7","3","1") = "8"
    & skf18("9","1","6","3","7","4","1") = "8"
    & skf18("9","1","6","3","7","5","1") = "8"
    & skf18("9","1","6","3","7","6","1") = "8"
    & skf18("9","1","6","3","7","7","1") = "8"
    & skf18("9","1","6","3","7","8","1") = "8"
    & skf18("9","1","6","3","7","9","1") = "8"
    & skf18("9","1","6","3","7","10","1") = "9"
    & skf18("9","1","6","3","8","1","1") = "8"
    & skf18("9","1","6","3","8","2","1") = "8"
    & skf18("9","1","6","3","8","3","1") = "8"
    & skf18("9","1","6","3","8","4","1") = "8"
    & skf18("9","1","6","3","8","5","1") = "8"
    & skf18("9","1","6","3","8","6","1") = "8"
    & skf18("9","1","6","3","8","7","1") = "8"
    & skf18("9","1","6","3","8","8","1") = "8"
    & skf18("9","1","6","3","8","9","1") = "8"
    & skf18("9","1","6","3","8","10","1") = "9"
    & skf18("9","1","6","3","9","1","1") = "8"
    & skf18("9","1","6","3","9","2","1") = "8"
    & skf18("9","1","6","3","9","3","1") = "8"
    & skf18("9","1","6","3","9","4","1") = "8"
    & skf18("9","1","6","3","9","5","1") = "8"
    & skf18("9","1","6","3","9","6","1") = "8"
    & skf18("9","1","6","3","9","7","1") = "8"
    & skf18("9","1","6","3","9","8","1") = "8"
    & skf18("9","1","6","3","9","9","1") = "8"
    & skf18("9","1","6","3","9","10","1") = "9"
    & skf18("9","1","6","3","10","1","1") = "9"
    & skf18("9","1","6","3","10","2","1") = "9"
    & skf18("9","1","6","3","10","3","1") = "9"
    & skf18("9","1","6","3","10","4","1") = "9"
    & skf18("9","1","6","3","10","5","1") = "9"
    & skf18("9","1","6","3","10","6","1") = "9"
    & skf18("9","1","6","3","10","7","1") = "9"
    & skf18("9","1","6","3","10","8","1") = "9"
    & skf18("9","1","6","3","10","9","1") = "9"
    & skf18("9","1","6","3","10","10","1") = "9"
    & skf18("9","1","6","4","1","1","1") = "8"
    & skf18("9","1","6","4","1","2","1") = "8"
    & skf18("9","1","6","4","1","3","1") = "8"
    & skf18("9","1","6","4","1","4","1") = "8"
    & skf18("9","1","6","4","1","5","1") = "8"
    & skf18("9","1","6","4","1","6","1") = "8"
    & skf18("9","1","6","4","1","7","1") = "8"
    & skf18("9","1","6","4","1","8","1") = "8"
    & skf18("9","1","6","4","1","9","1") = "8"
    & skf18("9","1","6","4","1","10","1") = "9"
    & skf18("9","1","6","4","2","1","1") = "8"
    & skf18("9","1","6","4","2","2","1") = "8"
    & skf18("9","1","6","4","2","3","1") = "8"
    & skf18("9","1","6","4","2","4","1") = "8"
    & skf18("9","1","6","4","2","5","1") = "8"
    & skf18("9","1","6","4","2","6","1") = "8"
    & skf18("9","1","6","4","2","7","1") = "8"
    & skf18("9","1","6","4","2","8","1") = "8"
    & skf18("9","1","6","4","2","9","1") = "8"
    & skf18("9","1","6","4","2","10","1") = "9"
    & skf18("9","1","6","4","3","1","1") = "8"
    & skf18("9","1","6","4","3","2","1") = "8"
    & skf18("9","1","6","4","3","3","1") = "8"
    & skf18("9","1","6","4","3","4","1") = "8"
    & skf18("9","1","6","4","3","5","1") = "8"
    & skf18("9","1","6","4","3","6","1") = "8"
    & skf18("9","1","6","4","3","7","1") = "8"
    & skf18("9","1","6","4","3","8","1") = "8"
    & skf18("9","1","6","4","3","9","1") = "8"
    & skf18("9","1","6","4","3","10","1") = "9"
    & skf18("9","1","6","4","4","1","1") = "8"
    & skf18("9","1","6","4","4","2","1") = "8"
    & skf18("9","1","6","4","4","3","1") = "8"
    & skf18("9","1","6","4","4","4","1") = "8"
    & skf18("9","1","6","4","4","5","1") = "8"
    & skf18("9","1","6","4","4","6","1") = "8"
    & skf18("9","1","6","4","4","7","1") = "8"
    & skf18("9","1","6","4","4","8","1") = "8"
    & skf18("9","1","6","4","4","9","1") = "8"
    & skf18("9","1","6","4","4","10","1") = "9"
    & skf18("9","1","6","4","5","1","1") = "8"
    & skf18("9","1","6","4","5","2","1") = "8"
    & skf18("9","1","6","4","5","3","1") = "8"
    & skf18("9","1","6","4","5","4","1") = "8"
    & skf18("9","1","6","4","5","5","1") = "8"
    & skf18("9","1","6","4","5","6","1") = "8"
    & skf18("9","1","6","4","5","7","1") = "8"
    & skf18("9","1","6","4","5","8","1") = "8"
    & skf18("9","1","6","4","5","9","1") = "8"
    & skf18("9","1","6","4","5","10","1") = "9"
    & skf18("9","1","6","4","6","1","1") = "8"
    & skf18("9","1","6","4","6","2","1") = "8"
    & skf18("9","1","6","4","6","3","1") = "8"
    & skf18("9","1","6","4","6","4","1") = "8"
    & skf18("9","1","6","4","6","5","1") = "8"
    & skf18("9","1","6","4","6","6","1") = "8"
    & skf18("9","1","6","4","6","7","1") = "8"
    & skf18("9","1","6","4","6","8","1") = "8"
    & skf18("9","1","6","4","6","9","1") = "8"
    & skf18("9","1","6","4","6","10","1") = "9"
    & skf18("9","1","6","4","7","1","1") = "8"
    & skf18("9","1","6","4","7","2","1") = "8"
    & skf18("9","1","6","4","7","3","1") = "8"
    & skf18("9","1","6","4","7","4","1") = "8"
    & skf18("9","1","6","4","7","5","1") = "8"
    & skf18("9","1","6","4","7","6","1") = "8"
    & skf18("9","1","6","4","7","7","1") = "8"
    & skf18("9","1","6","4","7","8","1") = "8"
    & skf18("9","1","6","4","7","9","1") = "8"
    & skf18("9","1","6","4","7","10","1") = "9"
    & skf18("9","1","6","4","8","1","1") = "8"
    & skf18("9","1","6","4","8","2","1") = "8"
    & skf18("9","1","6","4","8","3","1") = "8"
    & skf18("9","1","6","4","8","4","1") = "8"
    & skf18("9","1","6","4","8","5","1") = "8"
    & skf18("9","1","6","4","8","6","1") = "8"
    & skf18("9","1","6","4","8","7","1") = "8"
    & skf18("9","1","6","4","8","8","1") = "8"
    & skf18("9","1","6","4","8","9","1") = "8"
    & skf18("9","1","6","4","8","10","1") = "9"
    & skf18("9","1","6","4","9","1","1") = "8"
    & skf18("9","1","6","4","9","2","1") = "8"
    & skf18("9","1","6","4","9","3","1") = "8"
    & skf18("9","1","6","4","9","4","1") = "8"
    & skf18("9","1","6","4","9","5","1") = "8"
    & skf18("9","1","6","4","9","6","1") = "8"
    & skf18("9","1","6","4","9","7","1") = "8"
    & skf18("9","1","6","4","9","8","1") = "8"
    & skf18("9","1","6","4","9","9","1") = "8"
    & skf18("9","1","6","4","9","10","1") = "9"
    & skf18("9","1","6","4","10","1","1") = "9"
    & skf18("9","1","6","4","10","2","1") = "9"
    & skf18("9","1","6","4","10","3","1") = "9"
    & skf18("9","1","6","4","10","4","1") = "9"
    & skf18("9","1","6","4","10","5","1") = "9"
    & skf18("9","1","6","4","10","6","1") = "9"
    & skf18("9","1","6","4","10","7","1") = "9"
    & skf18("9","1","6","4","10","8","1") = "9"
    & skf18("9","1","6","4","10","9","1") = "9"
    & skf18("9","1","6","4","10","10","1") = "9"
    & skf18("9","1","6","5","1","1","1") = "8"
    & skf18("9","1","6","5","1","2","1") = "8"
    & skf18("9","1","6","5","1","3","1") = "8"
    & skf18("9","1","6","5","1","4","1") = "8"
    & skf18("9","1","6","5","1","5","1") = "8"
    & skf18("9","1","6","5","1","6","1") = "8"
    & skf18("9","1","6","5","1","7","1") = "8"
    & skf18("9","1","6","5","1","8","1") = "8"
    & skf18("9","1","6","5","1","9","1") = "8"
    & skf18("9","1","6","5","1","10","1") = "9"
    & skf18("9","1","6","5","2","1","1") = "8"
    & skf18("9","1","6","5","2","2","1") = "8"
    & skf18("9","1","6","5","2","3","1") = "8"
    & skf18("9","1","6","5","2","4","1") = "8"
    & skf18("9","1","6","5","2","5","1") = "8"
    & skf18("9","1","6","5","2","6","1") = "8"
    & skf18("9","1","6","5","2","7","1") = "8"
    & skf18("9","1","6","5","2","8","1") = "8"
    & skf18("9","1","6","5","2","9","1") = "8"
    & skf18("9","1","6","5","2","10","1") = "9"
    & skf18("9","1","6","5","3","1","1") = "8"
    & skf18("9","1","6","5","3","2","1") = "8"
    & skf18("9","1","6","5","3","3","1") = "8"
    & skf18("9","1","6","5","3","4","1") = "8"
    & skf18("9","1","6","5","3","5","1") = "8"
    & skf18("9","1","6","5","3","6","1") = "8"
    & skf18("9","1","6","5","3","7","1") = "8"
    & skf18("9","1","6","5","3","8","1") = "8"
    & skf18("9","1","6","5","3","9","1") = "8"
    & skf18("9","1","6","5","3","10","1") = "9"
    & skf18("9","1","6","5","4","1","1") = "8"
    & skf18("9","1","6","5","4","2","1") = "8"
    & skf18("9","1","6","5","4","3","1") = "8"
    & skf18("9","1","6","5","4","4","1") = "8"
    & skf18("9","1","6","5","4","5","1") = "8"
    & skf18("9","1","6","5","4","6","1") = "8"
    & skf18("9","1","6","5","4","7","1") = "8"
    & skf18("9","1","6","5","4","8","1") = "8"
    & skf18("9","1","6","5","4","9","1") = "8"
    & skf18("9","1","6","5","4","10","1") = "9"
    & skf18("9","1","6","5","5","1","1") = "8"
    & skf18("9","1","6","5","5","2","1") = "8"
    & skf18("9","1","6","5","5","3","1") = "8"
    & skf18("9","1","6","5","5","4","1") = "8"
    & skf18("9","1","6","5","5","5","1") = "8"
    & skf18("9","1","6","5","5","6","1") = "8"
    & skf18("9","1","6","5","5","7","1") = "8"
    & skf18("9","1","6","5","5","8","1") = "8"
    & skf18("9","1","6","5","5","9","1") = "8"
    & skf18("9","1","6","5","5","10","1") = "9"
    & skf18("9","1","6","5","6","1","1") = "8"
    & skf18("9","1","6","5","6","2","1") = "8"
    & skf18("9","1","6","5","6","3","1") = "8"
    & skf18("9","1","6","5","6","4","1") = "8"
    & skf18("9","1","6","5","6","5","1") = "8"
    & skf18("9","1","6","5","6","6","1") = "8"
    & skf18("9","1","6","5","6","7","1") = "8"
    & skf18("9","1","6","5","6","8","1") = "8"
    & skf18("9","1","6","5","6","9","1") = "8"
    & skf18("9","1","6","5","6","10","1") = "9"
    & skf18("9","1","6","5","7","1","1") = "8"
    & skf18("9","1","6","5","7","2","1") = "8"
    & skf18("9","1","6","5","7","3","1") = "8"
    & skf18("9","1","6","5","7","4","1") = "8"
    & skf18("9","1","6","5","7","5","1") = "8"
    & skf18("9","1","6","5","7","6","1") = "8"
    & skf18("9","1","6","5","7","7","1") = "8"
    & skf18("9","1","6","5","7","8","1") = "8"
    & skf18("9","1","6","5","7","9","1") = "8"
    & skf18("9","1","6","5","7","10","1") = "9"
    & skf18("9","1","6","5","8","1","1") = "8"
    & skf18("9","1","6","5","8","2","1") = "8"
    & skf18("9","1","6","5","8","3","1") = "8"
    & skf18("9","1","6","5","8","4","1") = "8"
    & skf18("9","1","6","5","8","5","1") = "8"
    & skf18("9","1","6","5","8","6","1") = "8"
    & skf18("9","1","6","5","8","7","1") = "8"
    & skf18("9","1","6","5","8","8","1") = "8"
    & skf18("9","1","6","5","8","9","1") = "8"
    & skf18("9","1","6","5","8","10","1") = "9"
    & skf18("9","1","6","5","9","1","1") = "8"
    & skf18("9","1","6","5","9","2","1") = "8"
    & skf18("9","1","6","5","9","3","1") = "8"
    & skf18("9","1","6","5","9","4","1") = "8"
    & skf18("9","1","6","5","9","5","1") = "8"
    & skf18("9","1","6","5","9","6","1") = "8"
    & skf18("9","1","6","5","9","7","1") = "8"
    & skf18("9","1","6","5","9","8","1") = "8"
    & skf18("9","1","6","5","9","9","1") = "8"
    & skf18("9","1","6","5","9","10","1") = "9"
    & skf18("9","1","6","5","10","1","1") = "9"
    & skf18("9","1","6","5","10","2","1") = "9"
    & skf18("9","1","6","5","10","3","1") = "9"
    & skf18("9","1","6","5","10","4","1") = "9"
    & skf18("9","1","6","5","10","5","1") = "9"
    & skf18("9","1","6","5","10","6","1") = "9"
    & skf18("9","1","6","5","10","7","1") = "9"
    & skf18("9","1","6","5","10","8","1") = "9"
    & skf18("9","1","6","5","10","9","1") = "9"
    & skf18("9","1","6","5","10","10","1") = "9"
    & skf18("9","1","6","6","1","1","1") = "8"
    & skf18("9","1","6","6","1","2","1") = "8"
    & skf18("9","1","6","6","1","3","1") = "8"
    & skf18("9","1","6","6","1","4","1") = "8"
    & skf18("9","1","6","6","1","5","1") = "8"
    & skf18("9","1","6","6","1","6","1") = "8"
    & skf18("9","1","6","6","1","7","1") = "8"
    & skf18("9","1","6","6","1","8","1") = "8"
    & skf18("9","1","6","6","1","9","1") = "8"
    & skf18("9","1","6","6","1","10","1") = "9"
    & skf18("9","1","6","6","2","1","1") = "8"
    & skf18("9","1","6","6","2","2","1") = "8"
    & skf18("9","1","6","6","2","3","1") = "8"
    & skf18("9","1","6","6","2","4","1") = "8"
    & skf18("9","1","6","6","2","5","1") = "8"
    & skf18("9","1","6","6","2","6","1") = "8"
    & skf18("9","1","6","6","2","7","1") = "8"
    & skf18("9","1","6","6","2","8","1") = "8"
    & skf18("9","1","6","6","2","9","1") = "8"
    & skf18("9","1","6","6","2","10","1") = "9"
    & skf18("9","1","6","6","3","1","1") = "8"
    & skf18("9","1","6","6","3","2","1") = "8"
    & skf18("9","1","6","6","3","3","1") = "8"
    & skf18("9","1","6","6","3","4","1") = "8"
    & skf18("9","1","6","6","3","5","1") = "8"
    & skf18("9","1","6","6","3","6","1") = "8"
    & skf18("9","1","6","6","3","7","1") = "8"
    & skf18("9","1","6","6","3","8","1") = "8"
    & skf18("9","1","6","6","3","9","1") = "8"
    & skf18("9","1","6","6","3","10","1") = "9"
    & skf18("9","1","6","6","4","1","1") = "8"
    & skf18("9","1","6","6","4","2","1") = "8"
    & skf18("9","1","6","6","4","3","1") = "8"
    & skf18("9","1","6","6","4","4","1") = "8"
    & skf18("9","1","6","6","4","5","1") = "8"
    & skf18("9","1","6","6","4","6","1") = "8"
    & skf18("9","1","6","6","4","7","1") = "8"
    & skf18("9","1","6","6","4","8","1") = "8"
    & skf18("9","1","6","6","4","9","1") = "8"
    & skf18("9","1","6","6","4","10","1") = "9"
    & skf18("9","1","6","6","5","1","1") = "8"
    & skf18("9","1","6","6","5","2","1") = "8"
    & skf18("9","1","6","6","5","3","1") = "8"
    & skf18("9","1","6","6","5","4","1") = "8"
    & skf18("9","1","6","6","5","5","1") = "8"
    & skf18("9","1","6","6","5","6","1") = "8"
    & skf18("9","1","6","6","5","7","1") = "8"
    & skf18("9","1","6","6","5","8","1") = "8"
    & skf18("9","1","6","6","5","9","1") = "8"
    & skf18("9","1","6","6","5","10","1") = "9"
    & skf18("9","1","6","6","6","1","1") = "8"
    & skf18("9","1","6","6","6","2","1") = "8"
    & skf18("9","1","6","6","6","3","1") = "8"
    & skf18("9","1","6","6","6","4","1") = "8"
    & skf18("9","1","6","6","6","5","1") = "8"
    & skf18("9","1","6","6","6","6","1") = "8"
    & skf18("9","1","6","6","6","7","1") = "8"
    & skf18("9","1","6","6","6","8","1") = "8"
    & skf18("9","1","6","6","6","9","1") = "8"
    & skf18("9","1","6","6","6","10","1") = "9"
    & skf18("9","1","6","6","7","1","1") = "8"
    & skf18("9","1","6","6","7","2","1") = "8"
    & skf18("9","1","6","6","7","3","1") = "8"
    & skf18("9","1","6","6","7","4","1") = "8"
    & skf18("9","1","6","6","7","5","1") = "8"
    & skf18("9","1","6","6","7","6","1") = "8"
    & skf18("9","1","6","6","7","7","1") = "8"
    & skf18("9","1","6","6","7","8","1") = "8"
    & skf18("9","1","6","6","7","9","1") = "8"
    & skf18("9","1","6","6","7","10","1") = "9"
    & skf18("9","1","6","6","8","1","1") = "8"
    & skf18("9","1","6","6","8","2","1") = "8"
    & skf18("9","1","6","6","8","3","1") = "8"
    & skf18("9","1","6","6","8","4","1") = "8"
    & skf18("9","1","6","6","8","5","1") = "8"
    & skf18("9","1","6","6","8","6","1") = "8"
    & skf18("9","1","6","6","8","7","1") = "8"
    & skf18("9","1","6","6","8","8","1") = "8"
    & skf18("9","1","6","6","8","9","1") = "8"
    & skf18("9","1","6","6","8","10","1") = "9"
    & skf18("9","1","6","6","9","1","1") = "8"
    & skf18("9","1","6","6","9","2","1") = "8"
    & skf18("9","1","6","6","9","3","1") = "8"
    & skf18("9","1","6","6","9","4","1") = "8"
    & skf18("9","1","6","6","9","5","1") = "8"
    & skf18("9","1","6","6","9","6","1") = "8"
    & skf18("9","1","6","6","9","7","1") = "8"
    & skf18("9","1","6","6","9","8","1") = "8"
    & skf18("9","1","6","6","9","9","1") = "8"
    & skf18("9","1","6","6","9","10","1") = "9"
    & skf18("9","1","6","6","10","1","1") = "9"
    & skf18("9","1","6","6","10","2","1") = "9"
    & skf18("9","1","6","6","10","3","1") = "9"
    & skf18("9","1","6","6","10","4","1") = "9"
    & skf18("9","1","6","6","10","5","1") = "9"
    & skf18("9","1","6","6","10","6","1") = "9"
    & skf18("9","1","6","6","10","7","1") = "9"
    & skf18("9","1","6","6","10","8","1") = "9"
    & skf18("9","1","6","6","10","9","1") = "9"
    & skf18("9","1","6","6","10","10","1") = "9"
    & skf18("9","1","6","7","1","1","1") = "8"
    & skf18("9","1","6","7","1","2","1") = "8"
    & skf18("9","1","6","7","1","3","1") = "8"
    & skf18("9","1","6","7","1","4","1") = "8"
    & skf18("9","1","6","7","1","5","1") = "8"
    & skf18("9","1","6","7","1","6","1") = "8"
    & skf18("9","1","6","7","1","7","1") = "8"
    & skf18("9","1","6","7","1","8","1") = "8"
    & skf18("9","1","6","7","1","9","1") = "8"
    & skf18("9","1","6","7","1","10","1") = "9"
    & skf18("9","1","6","7","2","1","1") = "8"
    & skf18("9","1","6","7","2","2","1") = "8"
    & skf18("9","1","6","7","2","3","1") = "8"
    & skf18("9","1","6","7","2","4","1") = "8"
    & skf18("9","1","6","7","2","5","1") = "8"
    & skf18("9","1","6","7","2","6","1") = "8"
    & skf18("9","1","6","7","2","7","1") = "8"
    & skf18("9","1","6","7","2","8","1") = "8"
    & skf18("9","1","6","7","2","9","1") = "8"
    & skf18("9","1","6","7","2","10","1") = "9"
    & skf18("9","1","6","7","3","1","1") = "8"
    & skf18("9","1","6","7","3","2","1") = "8"
    & skf18("9","1","6","7","3","3","1") = "8"
    & skf18("9","1","6","7","3","4","1") = "8"
    & skf18("9","1","6","7","3","5","1") = "8"
    & skf18("9","1","6","7","3","6","1") = "8"
    & skf18("9","1","6","7","3","7","1") = "8"
    & skf18("9","1","6","7","3","8","1") = "8"
    & skf18("9","1","6","7","3","9","1") = "8"
    & skf18("9","1","6","7","3","10","1") = "9"
    & skf18("9","1","6","7","4","1","1") = "8"
    & skf18("9","1","6","7","4","2","1") = "8"
    & skf18("9","1","6","7","4","3","1") = "8"
    & skf18("9","1","6","7","4","4","1") = "8"
    & skf18("9","1","6","7","4","5","1") = "8"
    & skf18("9","1","6","7","4","6","1") = "8"
    & skf18("9","1","6","7","4","7","1") = "8"
    & skf18("9","1","6","7","4","8","1") = "8"
    & skf18("9","1","6","7","4","9","1") = "8"
    & skf18("9","1","6","7","4","10","1") = "9"
    & skf18("9","1","6","7","5","1","1") = "8"
    & skf18("9","1","6","7","5","2","1") = "8"
    & skf18("9","1","6","7","5","3","1") = "8"
    & skf18("9","1","6","7","5","4","1") = "8"
    & skf18("9","1","6","7","5","5","1") = "8"
    & skf18("9","1","6","7","5","6","1") = "8"
    & skf18("9","1","6","7","5","7","1") = "8"
    & skf18("9","1","6","7","5","8","1") = "8"
    & skf18("9","1","6","7","5","9","1") = "8"
    & skf18("9","1","6","7","5","10","1") = "9"
    & skf18("9","1","6","7","6","1","1") = "8"
    & skf18("9","1","6","7","6","2","1") = "8"
    & skf18("9","1","6","7","6","3","1") = "8"
    & skf18("9","1","6","7","6","4","1") = "8"
    & skf18("9","1","6","7","6","5","1") = "8"
    & skf18("9","1","6","7","6","6","1") = "8"
    & skf18("9","1","6","7","6","7","1") = "8"
    & skf18("9","1","6","7","6","8","1") = "8"
    & skf18("9","1","6","7","6","9","1") = "8"
    & skf18("9","1","6","7","6","10","1") = "9"
    & skf18("9","1","6","7","7","1","1") = "8"
    & skf18("9","1","6","7","7","2","1") = "8"
    & skf18("9","1","6","7","7","3","1") = "8"
    & skf18("9","1","6","7","7","4","1") = "8"
    & skf18("9","1","6","7","7","5","1") = "8"
    & skf18("9","1","6","7","7","6","1") = "8"
    & skf18("9","1","6","7","7","7","1") = "8"
    & skf18("9","1","6","7","7","8","1") = "8"
    & skf18("9","1","6","7","7","9","1") = "8"
    & skf18("9","1","6","7","7","10","1") = "9"
    & skf18("9","1","6","7","8","1","1") = "8"
    & skf18("9","1","6","7","8","2","1") = "8"
    & skf18("9","1","6","7","8","3","1") = "8"
    & skf18("9","1","6","7","8","4","1") = "8"
    & skf18("9","1","6","7","8","5","1") = "8"
    & skf18("9","1","6","7","8","6","1") = "8"
    & skf18("9","1","6","7","8","7","1") = "8"
    & skf18("9","1","6","7","8","8","1") = "8"
    & skf18("9","1","6","7","8","9","1") = "8"
    & skf18("9","1","6","7","8","10","1") = "9"
    & skf18("9","1","6","7","9","1","1") = "8"
    & skf18("9","1","6","7","9","2","1") = "8"
    & skf18("9","1","6","7","9","3","1") = "8"
    & skf18("9","1","6","7","9","4","1") = "8"
    & skf18("9","1","6","7","9","5","1") = "8"
    & skf18("9","1","6","7","9","6","1") = "8"
    & skf18("9","1","6","7","9","7","1") = "8"
    & skf18("9","1","6","7","9","8","1") = "8"
    & skf18("9","1","6","7","9","9","1") = "8"
    & skf18("9","1","6","7","9","10","1") = "9"
    & skf18("9","1","6","7","10","1","1") = "9"
    & skf18("9","1","6","7","10","2","1") = "9"
    & skf18("9","1","6","7","10","3","1") = "9"
    & skf18("9","1","6","7","10","4","1") = "9"
    & skf18("9","1","6","7","10","5","1") = "9"
    & skf18("9","1","6","7","10","6","1") = "9"
    & skf18("9","1","6","7","10","7","1") = "9"
    & skf18("9","1","6","7","10","8","1") = "9"
    & skf18("9","1","6","7","10","9","1") = "9"
    & skf18("9","1","6","7","10","10","1") = "9"
    & skf18("9","1","6","8","1","1","1") = "8"
    & skf18("9","1","6","8","1","2","1") = "8"
    & skf18("9","1","6","8","1","3","1") = "8"
    & skf18("9","1","6","8","1","4","1") = "8"
    & skf18("9","1","6","8","1","5","1") = "8"
    & skf18("9","1","6","8","1","6","1") = "8"
    & skf18("9","1","6","8","1","7","1") = "8"
    & skf18("9","1","6","8","1","8","1") = "8"
    & skf18("9","1","6","8","1","9","1") = "8"
    & skf18("9","1","6","8","1","10","1") = "9"
    & skf18("9","1","6","8","2","1","1") = "8"
    & skf18("9","1","6","8","2","2","1") = "8"
    & skf18("9","1","6","8","2","3","1") = "8"
    & skf18("9","1","6","8","2","4","1") = "8"
    & skf18("9","1","6","8","2","5","1") = "8"
    & skf18("9","1","6","8","2","6","1") = "8"
    & skf18("9","1","6","8","2","7","1") = "8"
    & skf18("9","1","6","8","2","8","1") = "8"
    & skf18("9","1","6","8","2","9","1") = "8"
    & skf18("9","1","6","8","2","10","1") = "9"
    & skf18("9","1","6","8","3","1","1") = "8"
    & skf18("9","1","6","8","3","2","1") = "8"
    & skf18("9","1","6","8","3","3","1") = "8"
    & skf18("9","1","6","8","3","4","1") = "8"
    & skf18("9","1","6","8","3","5","1") = "8"
    & skf18("9","1","6","8","3","6","1") = "8"
    & skf18("9","1","6","8","3","7","1") = "8"
    & skf18("9","1","6","8","3","8","1") = "8"
    & skf18("9","1","6","8","3","9","1") = "8"
    & skf18("9","1","6","8","3","10","1") = "9"
    & skf18("9","1","6","8","4","1","1") = "8"
    & skf18("9","1","6","8","4","2","1") = "8"
    & skf18("9","1","6","8","4","3","1") = "8"
    & skf18("9","1","6","8","4","4","1") = "8"
    & skf18("9","1","6","8","4","5","1") = "8"
    & skf18("9","1","6","8","4","6","1") = "8"
    & skf18("9","1","6","8","4","7","1") = "8"
    & skf18("9","1","6","8","4","8","1") = "8"
    & skf18("9","1","6","8","4","9","1") = "8"
    & skf18("9","1","6","8","4","10","1") = "9"
    & skf18("9","1","6","8","5","1","1") = "8"
    & skf18("9","1","6","8","5","2","1") = "8"
    & skf18("9","1","6","8","5","3","1") = "8"
    & skf18("9","1","6","8","5","4","1") = "8"
    & skf18("9","1","6","8","5","5","1") = "8"
    & skf18("9","1","6","8","5","6","1") = "8"
    & skf18("9","1","6","8","5","7","1") = "8"
    & skf18("9","1","6","8","5","8","1") = "8"
    & skf18("9","1","6","8","5","9","1") = "8"
    & skf18("9","1","6","8","5","10","1") = "9"
    & skf18("9","1","6","8","6","1","1") = "8"
    & skf18("9","1","6","8","6","2","1") = "8"
    & skf18("9","1","6","8","6","3","1") = "8"
    & skf18("9","1","6","8","6","4","1") = "8"
    & skf18("9","1","6","8","6","5","1") = "8"
    & skf18("9","1","6","8","6","6","1") = "8"
    & skf18("9","1","6","8","6","7","1") = "8"
    & skf18("9","1","6","8","6","8","1") = "8"
    & skf18("9","1","6","8","6","9","1") = "8"
    & skf18("9","1","6","8","6","10","1") = "9"
    & skf18("9","1","6","8","7","1","1") = "8"
    & skf18("9","1","6","8","7","2","1") = "8"
    & skf18("9","1","6","8","7","3","1") = "8"
    & skf18("9","1","6","8","7","4","1") = "8"
    & skf18("9","1","6","8","7","5","1") = "8"
    & skf18("9","1","6","8","7","6","1") = "8"
    & skf18("9","1","6","8","7","7","1") = "8"
    & skf18("9","1","6","8","7","8","1") = "8"
    & skf18("9","1","6","8","7","9","1") = "8"
    & skf18("9","1","6","8","7","10","1") = "9"
    & skf18("9","1","6","8","8","1","1") = "8"
    & skf18("9","1","6","8","8","2","1") = "8"
    & skf18("9","1","6","8","8","3","1") = "8"
    & skf18("9","1","6","8","8","4","1") = "8"
    & skf18("9","1","6","8","8","5","1") = "8"
    & skf18("9","1","6","8","8","6","1") = "8"
    & skf18("9","1","6","8","8","7","1") = "8"
    & skf18("9","1","6","8","8","8","1") = "8"
    & skf18("9","1","6","8","8","9","1") = "8"
    & skf18("9","1","6","8","8","10","1") = "9"
    & skf18("9","1","6","8","9","1","1") = "8"
    & skf18("9","1","6","8","9","2","1") = "8"
    & skf18("9","1","6","8","9","3","1") = "8"
    & skf18("9","1","6","8","9","4","1") = "8"
    & skf18("9","1","6","8","9","5","1") = "8"
    & skf18("9","1","6","8","9","6","1") = "8"
    & skf18("9","1","6","8","9","7","1") = "8"
    & skf18("9","1","6","8","9","8","1") = "8"
    & skf18("9","1","6","8","9","9","1") = "8"
    & skf18("9","1","6","8","9","10","1") = "9"
    & skf18("9","1","6","8","10","1","1") = "9"
    & skf18("9","1","6","8","10","2","1") = "9"
    & skf18("9","1","6","8","10","3","1") = "9"
    & skf18("9","1","6","8","10","4","1") = "9"
    & skf18("9","1","6","8","10","5","1") = "9"
    & skf18("9","1","6","8","10","6","1") = "9"
    & skf18("9","1","6","8","10","7","1") = "9"
    & skf18("9","1","6","8","10","8","1") = "9"
    & skf18("9","1","6","8","10","9","1") = "9"
    & skf18("9","1","6","8","10","10","1") = "9"
    & skf18("9","1","6","9","1","1","1") = "8"
    & skf18("9","1","6","9","1","2","1") = "8"
    & skf18("9","1","6","9","1","3","1") = "8"
    & skf18("9","1","6","9","1","4","1") = "8"
    & skf18("9","1","6","9","1","5","1") = "8"
    & skf18("9","1","6","9","1","6","1") = "8"
    & skf18("9","1","6","9","1","7","1") = "8"
    & skf18("9","1","6","9","1","8","1") = "8"
    & skf18("9","1","6","9","1","9","1") = "8"
    & skf18("9","1","6","9","1","10","1") = "9"
    & skf18("9","1","6","9","2","1","1") = "8"
    & skf18("9","1","6","9","2","2","1") = "8"
    & skf18("9","1","6","9","2","3","1") = "8"
    & skf18("9","1","6","9","2","4","1") = "8"
    & skf18("9","1","6","9","2","5","1") = "8"
    & skf18("9","1","6","9","2","6","1") = "8"
    & skf18("9","1","6","9","2","7","1") = "8"
    & skf18("9","1","6","9","2","8","1") = "8"
    & skf18("9","1","6","9","2","9","1") = "8"
    & skf18("9","1","6","9","2","10","1") = "9"
    & skf18("9","1","6","9","3","1","1") = "8"
    & skf18("9","1","6","9","3","2","1") = "8"
    & skf18("9","1","6","9","3","3","1") = "8"
    & skf18("9","1","6","9","3","4","1") = "8"
    & skf18("9","1","6","9","3","5","1") = "8"
    & skf18("9","1","6","9","3","6","1") = "8"
    & skf18("9","1","6","9","3","7","1") = "8"
    & skf18("9","1","6","9","3","8","1") = "8"
    & skf18("9","1","6","9","3","9","1") = "8"
    & skf18("9","1","6","9","3","10","1") = "9"
    & skf18("9","1","6","9","4","1","1") = "8"
    & skf18("9","1","6","9","4","2","1") = "8"
    & skf18("9","1","6","9","4","3","1") = "8"
    & skf18("9","1","6","9","4","4","1") = "8"
    & skf18("9","1","6","9","4","5","1") = "8"
    & skf18("9","1","6","9","4","6","1") = "8"
    & skf18("9","1","6","9","4","7","1") = "8"
    & skf18("9","1","6","9","4","8","1") = "8"
    & skf18("9","1","6","9","4","9","1") = "8"
    & skf18("9","1","6","9","4","10","1") = "9"
    & skf18("9","1","6","9","5","1","1") = "8"
    & skf18("9","1","6","9","5","2","1") = "8"
    & skf18("9","1","6","9","5","3","1") = "8"
    & skf18("9","1","6","9","5","4","1") = "8"
    & skf18("9","1","6","9","5","5","1") = "8"
    & skf18("9","1","6","9","5","6","1") = "8"
    & skf18("9","1","6","9","5","7","1") = "8"
    & skf18("9","1","6","9","5","8","1") = "8"
    & skf18("9","1","6","9","5","9","1") = "8"
    & skf18("9","1","6","9","5","10","1") = "9"
    & skf18("9","1","6","9","6","1","1") = "8"
    & skf18("9","1","6","9","6","2","1") = "8"
    & skf18("9","1","6","9","6","3","1") = "8"
    & skf18("9","1","6","9","6","4","1") = "8"
    & skf18("9","1","6","9","6","5","1") = "8"
    & skf18("9","1","6","9","6","6","1") = "8"
    & skf18("9","1","6","9","6","7","1") = "8"
    & skf18("9","1","6","9","6","8","1") = "8"
    & skf18("9","1","6","9","6","9","1") = "8"
    & skf18("9","1","6","9","6","10","1") = "9"
    & skf18("9","1","6","9","7","1","1") = "8"
    & skf18("9","1","6","9","7","2","1") = "8"
    & skf18("9","1","6","9","7","3","1") = "8"
    & skf18("9","1","6","9","7","4","1") = "8"
    & skf18("9","1","6","9","7","5","1") = "8"
    & skf18("9","1","6","9","7","6","1") = "8"
    & skf18("9","1","6","9","7","7","1") = "8"
    & skf18("9","1","6","9","7","8","1") = "8"
    & skf18("9","1","6","9","7","9","1") = "8"
    & skf18("9","1","6","9","7","10","1") = "9"
    & skf18("9","1","6","9","8","1","1") = "8"
    & skf18("9","1","6","9","8","2","1") = "8"
    & skf18("9","1","6","9","8","3","1") = "8"
    & skf18("9","1","6","9","8","4","1") = "8"
    & skf18("9","1","6","9","8","5","1") = "8"
    & skf18("9","1","6","9","8","6","1") = "8"
    & skf18("9","1","6","9","8","7","1") = "8"
    & skf18("9","1","6","9","8","8","1") = "8"
    & skf18("9","1","6","9","8","9","1") = "8"
    & skf18("9","1","6","9","8","10","1") = "9"
    & skf18("9","1","6","9","9","1","1") = "8"
    & skf18("9","1","6","9","9","2","1") = "8"
    & skf18("9","1","6","9","9","3","1") = "8"
    & skf18("9","1","6","9","9","4","1") = "8"
    & skf18("9","1","6","9","9","5","1") = "8"
    & skf18("9","1","6","9","9","6","1") = "8"
    & skf18("9","1","6","9","9","7","1") = "8"
    & skf18("9","1","6","9","9","8","1") = "8"
    & skf18("9","1","6","9","9","9","1") = "8"
    & skf18("9","1","6","9","9","10","1") = "9"
    & skf18("9","1","6","9","10","1","1") = "9"
    & skf18("9","1","6","9","10","2","1") = "9"
    & skf18("9","1","6","9","10","3","1") = "9"
    & skf18("9","1","6","9","10","4","1") = "9"
    & skf18("9","1","6","9","10","5","1") = "9"
    & skf18("9","1","6","9","10","6","1") = "9"
    & skf18("9","1","6","9","10","7","1") = "9"
    & skf18("9","1","6","9","10","8","1") = "9"
    & skf18("9","1","6","9","10","9","1") = "9"
    & skf18("9","1","6","9","10","10","1") = "9"
    & skf18("9","1","6","10","1","1","1") = "9"
    & skf18("9","1","6","10","1","2","1") = "9"
    & skf18("9","1","6","10","1","3","1") = "9"
    & skf18("9","1","6","10","1","4","1") = "9"
    & skf18("9","1","6","10","1","5","1") = "9"
    & skf18("9","1","6","10","1","6","1") = "9"
    & skf18("9","1","6","10","1","7","1") = "9"
    & skf18("9","1","6","10","1","8","1") = "9"
    & skf18("9","1","6","10","1","9","1") = "9"
    & skf18("9","1","6","10","1","10","1") = "9"
    & skf18("9","1","6","10","2","1","1") = "9"
    & skf18("9","1","6","10","2","2","1") = "9"
    & skf18("9","1","6","10","2","3","1") = "9"
    & skf18("9","1","6","10","2","4","1") = "9"
    & skf18("9","1","6","10","2","5","1") = "9"
    & skf18("9","1","6","10","2","6","1") = "9"
    & skf18("9","1","6","10","2","7","1") = "9"
    & skf18("9","1","6","10","2","8","1") = "9"
    & skf18("9","1","6","10","2","9","1") = "9"
    & skf18("9","1","6","10","2","10","1") = "9"
    & skf18("9","1","6","10","3","1","1") = "9"
    & skf18("9","1","6","10","3","2","1") = "9"
    & skf18("9","1","6","10","3","3","1") = "9"
    & skf18("9","1","6","10","3","4","1") = "9"
    & skf18("9","1","6","10","3","5","1") = "9"
    & skf18("9","1","6","10","3","6","1") = "9"
    & skf18("9","1","6","10","3","7","1") = "9"
    & skf18("9","1","6","10","3","8","1") = "9"
    & skf18("9","1","6","10","3","9","1") = "9"
    & skf18("9","1","6","10","3","10","1") = "9"
    & skf18("9","1","6","10","4","1","1") = "9"
    & skf18("9","1","6","10","4","2","1") = "9"
    & skf18("9","1","6","10","4","3","1") = "9"
    & skf18("9","1","6","10","4","4","1") = "9"
    & skf18("9","1","6","10","4","5","1") = "9"
    & skf18("9","1","6","10","4","6","1") = "9"
    & skf18("9","1","6","10","4","7","1") = "9"
    & skf18("9","1","6","10","4","8","1") = "9"
    & skf18("9","1","6","10","4","9","1") = "9"
    & skf18("9","1","6","10","4","10","1") = "9"
    & skf18("9","1","6","10","5","1","1") = "9"
    & skf18("9","1","6","10","5","2","1") = "9"
    & skf18("9","1","6","10","5","3","1") = "9"
    & skf18("9","1","6","10","5","4","1") = "9"
    & skf18("9","1","6","10","5","5","1") = "9"
    & skf18("9","1","6","10","5","6","1") = "9"
    & skf18("9","1","6","10","5","7","1") = "9"
    & skf18("9","1","6","10","5","8","1") = "9"
    & skf18("9","1","6","10","5","9","1") = "9"
    & skf18("9","1","6","10","5","10","1") = "9"
    & skf18("9","1","6","10","6","1","1") = "9"
    & skf18("9","1","6","10","6","2","1") = "9"
    & skf18("9","1","6","10","6","3","1") = "9"
    & skf18("9","1","6","10","6","4","1") = "9"
    & skf18("9","1","6","10","6","5","1") = "9"
    & skf18("9","1","6","10","6","6","1") = "9"
    & skf18("9","1","6","10","6","7","1") = "9"
    & skf18("9","1","6","10","6","8","1") = "9"
    & skf18("9","1","6","10","6","9","1") = "9"
    & skf18("9","1","6","10","6","10","1") = "9"
    & skf18("9","1","6","10","7","1","1") = "9"
    & skf18("9","1","6","10","7","2","1") = "9"
    & skf18("9","1","6","10","7","3","1") = "9"
    & skf18("9","1","6","10","7","4","1") = "9"
    & skf18("9","1","6","10","7","5","1") = "9"
    & skf18("9","1","6","10","7","6","1") = "9"
    & skf18("9","1","6","10","7","7","1") = "9"
    & skf18("9","1","6","10","7","8","1") = "9"
    & skf18("9","1","6","10","7","9","1") = "9"
    & skf18("9","1","6","10","7","10","1") = "9"
    & skf18("9","1","6","10","8","1","1") = "9"
    & skf18("9","1","6","10","8","2","1") = "9"
    & skf18("9","1","6","10","8","3","1") = "9"
    & skf18("9","1","6","10","8","4","1") = "9"
    & skf18("9","1","6","10","8","5","1") = "9"
    & skf18("9","1","6","10","8","6","1") = "9"
    & skf18("9","1","6","10","8","7","1") = "9"
    & skf18("9","1","6","10","8","8","1") = "9"
    & skf18("9","1","6","10","8","9","1") = "9"
    & skf18("9","1","6","10","8","10","1") = "9"
    & skf18("9","1","6","10","9","1","1") = "9"
    & skf18("9","1","6","10","9","2","1") = "9"
    & skf18("9","1","6","10","9","3","1") = "9"
    & skf18("9","1","6","10","9","4","1") = "9"
    & skf18("9","1","6","10","9","5","1") = "9"
    & skf18("9","1","6","10","9","6","1") = "9"
    & skf18("9","1","6","10","9","7","1") = "9"
    & skf18("9","1","6","10","9","8","1") = "9"
    & skf18("9","1","6","10","9","9","1") = "9"
    & skf18("9","1","6","10","9","10","1") = "9"
    & skf18("9","1","6","10","10","1","1") = "9"
    & skf18("9","1","6","10","10","2","1") = "9"
    & skf18("9","1","6","10","10","3","1") = "9"
    & skf18("9","1","6","10","10","4","1") = "9"
    & skf18("9","1","6","10","10","5","1") = "9"
    & skf18("9","1","6","10","10","6","1") = "9"
    & skf18("9","1","6","10","10","7","1") = "9"
    & skf18("9","1","6","10","10","8","1") = "9"
    & skf18("9","1","6","10","10","9","1") = "9"
    & skf18("9","1","6","10","10","10","1") = "9"
    & skf18("9","1","7","1","1","1","1") = "8"
    & skf18("9","1","7","1","1","2","1") = "8"
    & skf18("9","1","7","1","1","3","1") = "8"
    & skf18("9","1","7","1","1","4","1") = "8"
    & skf18("9","1","7","1","1","5","1") = "8"
    & skf18("9","1","7","1","1","6","1") = "8"
    & skf18("9","1","7","1","1","7","1") = "8"
    & skf18("9","1","7","1","1","8","1") = "8"
    & skf18("9","1","7","1","1","9","1") = "8"
    & skf18("9","1","7","1","1","10","1") = "9"
    & skf18("9","1","7","1","2","1","1") = "8"
    & skf18("9","1","7","1","2","2","1") = "8"
    & skf18("9","1","7","1","2","3","1") = "8"
    & skf18("9","1","7","1","2","4","1") = "8"
    & skf18("9","1","7","1","2","5","1") = "8"
    & skf18("9","1","7","1","2","6","1") = "8"
    & skf18("9","1","7","1","2","7","1") = "8"
    & skf18("9","1","7","1","2","8","1") = "8"
    & skf18("9","1","7","1","2","9","1") = "8"
    & skf18("9","1","7","1","2","10","1") = "9"
    & skf18("9","1","7","1","3","1","1") = "8"
    & skf18("9","1","7","1","3","2","1") = "8"
    & skf18("9","1","7","1","3","3","1") = "8"
    & skf18("9","1","7","1","3","4","1") = "8"
    & skf18("9","1","7","1","3","5","1") = "8"
    & skf18("9","1","7","1","3","6","1") = "8"
    & skf18("9","1","7","1","3","7","1") = "8"
    & skf18("9","1","7","1","3","8","1") = "8"
    & skf18("9","1","7","1","3","9","1") = "8"
    & skf18("9","1","7","1","3","10","1") = "9"
    & skf18("9","1","7","1","4","1","1") = "8"
    & skf18("9","1","7","1","4","2","1") = "8"
    & skf18("9","1","7","1","4","3","1") = "8"
    & skf18("9","1","7","1","4","4","1") = "8"
    & skf18("9","1","7","1","4","5","1") = "8"
    & skf18("9","1","7","1","4","6","1") = "8"
    & skf18("9","1","7","1","4","7","1") = "8"
    & skf18("9","1","7","1","4","8","1") = "8"
    & skf18("9","1","7","1","4","9","1") = "8"
    & skf18("9","1","7","1","4","10","1") = "9"
    & skf18("9","1","7","1","5","1","1") = "8"
    & skf18("9","1","7","1","5","2","1") = "8"
    & skf18("9","1","7","1","5","3","1") = "8"
    & skf18("9","1","7","1","5","4","1") = "8"
    & skf18("9","1","7","1","5","5","1") = "8"
    & skf18("9","1","7","1","5","6","1") = "8"
    & skf18("9","1","7","1","5","7","1") = "8"
    & skf18("9","1","7","1","5","8","1") = "8"
    & skf18("9","1","7","1","5","9","1") = "8"
    & skf18("9","1","7","1","5","10","1") = "9"
    & skf18("9","1","7","1","6","1","1") = "8"
    & skf18("9","1","7","1","6","2","1") = "8"
    & skf18("9","1","7","1","6","3","1") = "8"
    & skf18("9","1","7","1","6","4","1") = "8"
    & skf18("9","1","7","1","6","5","1") = "8"
    & skf18("9","1","7","1","6","6","1") = "8"
    & skf18("9","1","7","1","6","7","1") = "8"
    & skf18("9","1","7","1","6","8","1") = "8"
    & skf18("9","1","7","1","6","9","1") = "8"
    & skf18("9","1","7","1","6","10","1") = "9"
    & skf18("9","1","7","1","7","1","1") = "8"
    & skf18("9","1","7","1","7","2","1") = "8"
    & skf18("9","1","7","1","7","3","1") = "8"
    & skf18("9","1","7","1","7","4","1") = "8"
    & skf18("9","1","7","1","7","5","1") = "8"
    & skf18("9","1","7","1","7","6","1") = "8"
    & skf18("9","1","7","1","7","7","1") = "8"
    & skf18("9","1","7","1","7","8","1") = "8"
    & skf18("9","1","7","1","7","9","1") = "8"
    & skf18("9","1","7","1","7","10","1") = "9"
    & skf18("9","1","7","1","8","1","1") = "8"
    & skf18("9","1","7","1","8","2","1") = "8"
    & skf18("9","1","7","1","8","3","1") = "8"
    & skf18("9","1","7","1","8","4","1") = "8"
    & skf18("9","1","7","1","8","5","1") = "8"
    & skf18("9","1","7","1","8","6","1") = "8"
    & skf18("9","1","7","1","8","7","1") = "8"
    & skf18("9","1","7","1","8","8","1") = "8"
    & skf18("9","1","7","1","8","9","1") = "8"
    & skf18("9","1","7","1","8","10","1") = "9"
    & skf18("9","1","7","1","9","1","1") = "8"
    & skf18("9","1","7","1","9","2","1") = "8"
    & skf18("9","1","7","1","9","3","1") = "8"
    & skf18("9","1","7","1","9","4","1") = "8"
    & skf18("9","1","7","1","9","5","1") = "8"
    & skf18("9","1","7","1","9","6","1") = "8"
    & skf18("9","1","7","1","9","7","1") = "8"
    & skf18("9","1","7","1","9","8","1") = "8"
    & skf18("9","1","7","1","9","9","1") = "8"
    & skf18("9","1","7","1","9","10","1") = "9"
    & skf18("9","1","7","1","10","1","1") = "9"
    & skf18("9","1","7","1","10","2","1") = "9"
    & skf18("9","1","7","1","10","3","1") = "9"
    & skf18("9","1","7","1","10","4","1") = "9"
    & skf18("9","1","7","1","10","5","1") = "9"
    & skf18("9","1","7","1","10","6","1") = "9"
    & skf18("9","1","7","1","10","7","1") = "9"
    & skf18("9","1","7","1","10","8","1") = "9"
    & skf18("9","1","7","1","10","9","1") = "9"
    & skf18("9","1","7","1","10","10","1") = "9"
    & skf18("9","1","7","2","1","1","1") = "8"
    & skf18("9","1","7","2","1","2","1") = "8"
    & skf18("9","1","7","2","1","3","1") = "8"
    & skf18("9","1","7","2","1","4","1") = "8"
    & skf18("9","1","7","2","1","5","1") = "8"
    & skf18("9","1","7","2","1","6","1") = "8"
    & skf18("9","1","7","2","1","7","1") = "8"
    & skf18("9","1","7","2","1","8","1") = "8"
    & skf18("9","1","7","2","1","9","1") = "8"
    & skf18("9","1","7","2","1","10","1") = "9"
    & skf18("9","1","7","2","2","1","1") = "8"
    & skf18("9","1","7","2","2","2","1") = "8"
    & skf18("9","1","7","2","2","3","1") = "8"
    & skf18("9","1","7","2","2","4","1") = "8"
    & skf18("9","1","7","2","2","5","1") = "8"
    & skf18("9","1","7","2","2","6","1") = "8"
    & skf18("9","1","7","2","2","7","1") = "8"
    & skf18("9","1","7","2","2","8","1") = "8"
    & skf18("9","1","7","2","2","9","1") = "8"
    & skf18("9","1","7","2","2","10","1") = "9"
    & skf18("9","1","7","2","3","1","1") = "8"
    & skf18("9","1","7","2","3","2","1") = "8"
    & skf18("9","1","7","2","3","3","1") = "8"
    & skf18("9","1","7","2","3","4","1") = "8"
    & skf18("9","1","7","2","3","5","1") = "8"
    & skf18("9","1","7","2","3","6","1") = "8"
    & skf18("9","1","7","2","3","7","1") = "8"
    & skf18("9","1","7","2","3","8","1") = "8"
    & skf18("9","1","7","2","3","9","1") = "8"
    & skf18("9","1","7","2","3","10","1") = "9"
    & skf18("9","1","7","2","4","1","1") = "8"
    & skf18("9","1","7","2","4","2","1") = "8"
    & skf18("9","1","7","2","4","3","1") = "8"
    & skf18("9","1","7","2","4","4","1") = "8"
    & skf18("9","1","7","2","4","5","1") = "8"
    & skf18("9","1","7","2","4","6","1") = "8"
    & skf18("9","1","7","2","4","7","1") = "8"
    & skf18("9","1","7","2","4","8","1") = "8"
    & skf18("9","1","7","2","4","9","1") = "8"
    & skf18("9","1","7","2","4","10","1") = "9"
    & skf18("9","1","7","2","5","1","1") = "8"
    & skf18("9","1","7","2","5","2","1") = "8"
    & skf18("9","1","7","2","5","3","1") = "8"
    & skf18("9","1","7","2","5","4","1") = "8"
    & skf18("9","1","7","2","5","5","1") = "8"
    & skf18("9","1","7","2","5","6","1") = "8"
    & skf18("9","1","7","2","5","7","1") = "8"
    & skf18("9","1","7","2","5","8","1") = "8"
    & skf18("9","1","7","2","5","9","1") = "8"
    & skf18("9","1","7","2","5","10","1") = "9"
    & skf18("9","1","7","2","6","1","1") = "8"
    & skf18("9","1","7","2","6","2","1") = "8"
    & skf18("9","1","7","2","6","3","1") = "8"
    & skf18("9","1","7","2","6","4","1") = "8"
    & skf18("9","1","7","2","6","5","1") = "8"
    & skf18("9","1","7","2","6","6","1") = "8"
    & skf18("9","1","7","2","6","7","1") = "8"
    & skf18("9","1","7","2","6","8","1") = "8"
    & skf18("9","1","7","2","6","9","1") = "8"
    & skf18("9","1","7","2","6","10","1") = "9"
    & skf18("9","1","7","2","7","1","1") = "8"
    & skf18("9","1","7","2","7","2","1") = "8"
    & skf18("9","1","7","2","7","3","1") = "8"
    & skf18("9","1","7","2","7","4","1") = "8"
    & skf18("9","1","7","2","7","5","1") = "8"
    & skf18("9","1","7","2","7","6","1") = "8"
    & skf18("9","1","7","2","7","7","1") = "8"
    & skf18("9","1","7","2","7","8","1") = "8"
    & skf18("9","1","7","2","7","9","1") = "8"
    & skf18("9","1","7","2","7","10","1") = "9"
    & skf18("9","1","7","2","8","1","1") = "8"
    & skf18("9","1","7","2","8","2","1") = "8"
    & skf18("9","1","7","2","8","3","1") = "8"
    & skf18("9","1","7","2","8","4","1") = "8"
    & skf18("9","1","7","2","8","5","1") = "8"
    & skf18("9","1","7","2","8","6","1") = "8"
    & skf18("9","1","7","2","8","7","1") = "8"
    & skf18("9","1","7","2","8","8","1") = "8"
    & skf18("9","1","7","2","8","9","1") = "8"
    & skf18("9","1","7","2","8","10","1") = "9"
    & skf18("9","1","7","2","9","1","1") = "8"
    & skf18("9","1","7","2","9","2","1") = "8"
    & skf18("9","1","7","2","9","3","1") = "8"
    & skf18("9","1","7","2","9","4","1") = "8"
    & skf18("9","1","7","2","9","5","1") = "8"
    & skf18("9","1","7","2","9","6","1") = "8"
    & skf18("9","1","7","2","9","7","1") = "8"
    & skf18("9","1","7","2","9","8","1") = "8"
    & skf18("9","1","7","2","9","9","1") = "8"
    & skf18("9","1","7","2","9","10","1") = "9"
    & skf18("9","1","7","2","10","1","1") = "9"
    & skf18("9","1","7","2","10","2","1") = "9"
    & skf18("9","1","7","2","10","3","1") = "9"
    & skf18("9","1","7","2","10","4","1") = "9"
    & skf18("9","1","7","2","10","5","1") = "9"
    & skf18("9","1","7","2","10","6","1") = "9"
    & skf18("9","1","7","2","10","7","1") = "9"
    & skf18("9","1","7","2","10","8","1") = "9"
    & skf18("9","1","7","2","10","9","1") = "9"
    & skf18("9","1","7","2","10","10","1") = "9"
    & skf18("9","1","7","3","1","1","1") = "8"
    & skf18("9","1","7","3","1","2","1") = "8"
    & skf18("9","1","7","3","1","3","1") = "8"
    & skf18("9","1","7","3","1","4","1") = "8"
    & skf18("9","1","7","3","1","5","1") = "8"
    & skf18("9","1","7","3","1","6","1") = "8"
    & skf18("9","1","7","3","1","7","1") = "8"
    & skf18("9","1","7","3","1","8","1") = "8"
    & skf18("9","1","7","3","1","9","1") = "8"
    & skf18("9","1","7","3","1","10","1") = "9"
    & skf18("9","1","7","3","2","1","1") = "8"
    & skf18("9","1","7","3","2","2","1") = "8"
    & skf18("9","1","7","3","2","3","1") = "8"
    & skf18("9","1","7","3","2","4","1") = "8"
    & skf18("9","1","7","3","2","5","1") = "8"
    & skf18("9","1","7","3","2","6","1") = "8"
    & skf18("9","1","7","3","2","7","1") = "8"
    & skf18("9","1","7","3","2","8","1") = "8"
    & skf18("9","1","7","3","2","9","1") = "8"
    & skf18("9","1","7","3","2","10","1") = "9"
    & skf18("9","1","7","3","3","1","1") = "8"
    & skf18("9","1","7","3","3","2","1") = "8"
    & skf18("9","1","7","3","3","3","1") = "8"
    & skf18("9","1","7","3","3","4","1") = "8"
    & skf18("9","1","7","3","3","5","1") = "8"
    & skf18("9","1","7","3","3","6","1") = "8"
    & skf18("9","1","7","3","3","7","1") = "8"
    & skf18("9","1","7","3","3","8","1") = "8"
    & skf18("9","1","7","3","3","9","1") = "8"
    & skf18("9","1","7","3","3","10","1") = "9"
    & skf18("9","1","7","3","4","1","1") = "8"
    & skf18("9","1","7","3","4","2","1") = "8"
    & skf18("9","1","7","3","4","3","1") = "8"
    & skf18("9","1","7","3","4","4","1") = "8"
    & skf18("9","1","7","3","4","5","1") = "8"
    & skf18("9","1","7","3","4","6","1") = "8"
    & skf18("9","1","7","3","4","7","1") = "8"
    & skf18("9","1","7","3","4","8","1") = "8"
    & skf18("9","1","7","3","4","9","1") = "8"
    & skf18("9","1","7","3","4","10","1") = "9"
    & skf18("9","1","7","3","5","1","1") = "8"
    & skf18("9","1","7","3","5","2","1") = "8"
    & skf18("9","1","7","3","5","3","1") = "8"
    & skf18("9","1","7","3","5","4","1") = "8"
    & skf18("9","1","7","3","5","5","1") = "8"
    & skf18("9","1","7","3","5","6","1") = "8"
    & skf18("9","1","7","3","5","7","1") = "8"
    & skf18("9","1","7","3","5","8","1") = "8"
    & skf18("9","1","7","3","5","9","1") = "8"
    & skf18("9","1","7","3","5","10","1") = "9"
    & skf18("9","1","7","3","6","1","1") = "8"
    & skf18("9","1","7","3","6","2","1") = "8"
    & skf18("9","1","7","3","6","3","1") = "8"
    & skf18("9","1","7","3","6","4","1") = "8"
    & skf18("9","1","7","3","6","5","1") = "8"
    & skf18("9","1","7","3","6","6","1") = "8"
    & skf18("9","1","7","3","6","7","1") = "8"
    & skf18("9","1","7","3","6","8","1") = "8"
    & skf18("9","1","7","3","6","9","1") = "8"
    & skf18("9","1","7","3","6","10","1") = "9"
    & skf18("9","1","7","3","7","1","1") = "8"
    & skf18("9","1","7","3","7","2","1") = "8"
    & skf18("9","1","7","3","7","3","1") = "8"
    & skf18("9","1","7","3","7","4","1") = "8"
    & skf18("9","1","7","3","7","5","1") = "8"
    & skf18("9","1","7","3","7","6","1") = "8"
    & skf18("9","1","7","3","7","7","1") = "8"
    & skf18("9","1","7","3","7","8","1") = "8"
    & skf18("9","1","7","3","7","9","1") = "8"
    & skf18("9","1","7","3","7","10","1") = "9"
    & skf18("9","1","7","3","8","1","1") = "8"
    & skf18("9","1","7","3","8","2","1") = "8"
    & skf18("9","1","7","3","8","3","1") = "8"
    & skf18("9","1","7","3","8","4","1") = "8"
    & skf18("9","1","7","3","8","5","1") = "8"
    & skf18("9","1","7","3","8","6","1") = "8"
    & skf18("9","1","7","3","8","7","1") = "8"
    & skf18("9","1","7","3","8","8","1") = "8"
    & skf18("9","1","7","3","8","9","1") = "8"
    & skf18("9","1","7","3","8","10","1") = "9"
    & skf18("9","1","7","3","9","1","1") = "8"
    & skf18("9","1","7","3","9","2","1") = "8"
    & skf18("9","1","7","3","9","3","1") = "8"
    & skf18("9","1","7","3","9","4","1") = "8"
    & skf18("9","1","7","3","9","5","1") = "8"
    & skf18("9","1","7","3","9","6","1") = "8"
    & skf18("9","1","7","3","9","7","1") = "8"
    & skf18("9","1","7","3","9","8","1") = "8"
    & skf18("9","1","7","3","9","9","1") = "8"
    & skf18("9","1","7","3","9","10","1") = "9"
    & skf18("9","1","7","3","10","1","1") = "9"
    & skf18("9","1","7","3","10","2","1") = "9"
    & skf18("9","1","7","3","10","3","1") = "9"
    & skf18("9","1","7","3","10","4","1") = "9"
    & skf18("9","1","7","3","10","5","1") = "9"
    & skf18("9","1","7","3","10","6","1") = "9"
    & skf18("9","1","7","3","10","7","1") = "9"
    & skf18("9","1","7","3","10","8","1") = "9"
    & skf18("9","1","7","3","10","9","1") = "9"
    & skf18("9","1","7","3","10","10","1") = "9"
    & skf18("9","1","7","4","1","1","1") = "8"
    & skf18("9","1","7","4","1","2","1") = "8"
    & skf18("9","1","7","4","1","3","1") = "8"
    & skf18("9","1","7","4","1","4","1") = "8"
    & skf18("9","1","7","4","1","5","1") = "8"
    & skf18("9","1","7","4","1","6","1") = "8"
    & skf18("9","1","7","4","1","7","1") = "8"
    & skf18("9","1","7","4","1","8","1") = "8"
    & skf18("9","1","7","4","1","9","1") = "8"
    & skf18("9","1","7","4","1","10","1") = "9"
    & skf18("9","1","7","4","2","1","1") = "8"
    & skf18("9","1","7","4","2","2","1") = "8"
    & skf18("9","1","7","4","2","3","1") = "8"
    & skf18("9","1","7","4","2","4","1") = "8"
    & skf18("9","1","7","4","2","5","1") = "8"
    & skf18("9","1","7","4","2","6","1") = "8"
    & skf18("9","1","7","4","2","7","1") = "8"
    & skf18("9","1","7","4","2","8","1") = "8"
    & skf18("9","1","7","4","2","9","1") = "8"
    & skf18("9","1","7","4","2","10","1") = "9"
    & skf18("9","1","7","4","3","1","1") = "8"
    & skf18("9","1","7","4","3","2","1") = "8"
    & skf18("9","1","7","4","3","3","1") = "8"
    & skf18("9","1","7","4","3","4","1") = "8"
    & skf18("9","1","7","4","3","5","1") = "8"
    & skf18("9","1","7","4","3","6","1") = "8"
    & skf18("9","1","7","4","3","7","1") = "8"
    & skf18("9","1","7","4","3","8","1") = "8"
    & skf18("9","1","7","4","3","9","1") = "8"
    & skf18("9","1","7","4","3","10","1") = "9"
    & skf18("9","1","7","4","4","1","1") = "8"
    & skf18("9","1","7","4","4","2","1") = "8"
    & skf18("9","1","7","4","4","3","1") = "8"
    & skf18("9","1","7","4","4","4","1") = "8"
    & skf18("9","1","7","4","4","5","1") = "8"
    & skf18("9","1","7","4","4","6","1") = "8"
    & skf18("9","1","7","4","4","7","1") = "8"
    & skf18("9","1","7","4","4","8","1") = "8"
    & skf18("9","1","7","4","4","9","1") = "8"
    & skf18("9","1","7","4","4","10","1") = "9"
    & skf18("9","1","7","4","5","1","1") = "8"
    & skf18("9","1","7","4","5","2","1") = "8"
    & skf18("9","1","7","4","5","3","1") = "8"
    & skf18("9","1","7","4","5","4","1") = "8"
    & skf18("9","1","7","4","5","5","1") = "8"
    & skf18("9","1","7","4","5","6","1") = "8"
    & skf18("9","1","7","4","5","7","1") = "8"
    & skf18("9","1","7","4","5","8","1") = "8"
    & skf18("9","1","7","4","5","9","1") = "8"
    & skf18("9","1","7","4","5","10","1") = "9"
    & skf18("9","1","7","4","6","1","1") = "8"
    & skf18("9","1","7","4","6","2","1") = "8"
    & skf18("9","1","7","4","6","3","1") = "8"
    & skf18("9","1","7","4","6","4","1") = "8"
    & skf18("9","1","7","4","6","5","1") = "8"
    & skf18("9","1","7","4","6","6","1") = "8"
    & skf18("9","1","7","4","6","7","1") = "8"
    & skf18("9","1","7","4","6","8","1") = "8"
    & skf18("9","1","7","4","6","9","1") = "8"
    & skf18("9","1","7","4","6","10","1") = "9"
    & skf18("9","1","7","4","7","1","1") = "8"
    & skf18("9","1","7","4","7","2","1") = "8"
    & skf18("9","1","7","4","7","3","1") = "8"
    & skf18("9","1","7","4","7","4","1") = "8"
    & skf18("9","1","7","4","7","5","1") = "8"
    & skf18("9","1","7","4","7","6","1") = "8"
    & skf18("9","1","7","4","7","7","1") = "8"
    & skf18("9","1","7","4","7","8","1") = "8"
    & skf18("9","1","7","4","7","9","1") = "8"
    & skf18("9","1","7","4","7","10","1") = "9"
    & skf18("9","1","7","4","8","1","1") = "8"
    & skf18("9","1","7","4","8","2","1") = "8"
    & skf18("9","1","7","4","8","3","1") = "8"
    & skf18("9","1","7","4","8","4","1") = "8"
    & skf18("9","1","7","4","8","5","1") = "8"
    & skf18("9","1","7","4","8","6","1") = "8"
    & skf18("9","1","7","4","8","7","1") = "8"
    & skf18("9","1","7","4","8","8","1") = "8"
    & skf18("9","1","7","4","8","9","1") = "8"
    & skf18("9","1","7","4","8","10","1") = "9"
    & skf18("9","1","7","4","9","1","1") = "8"
    & skf18("9","1","7","4","9","2","1") = "8"
    & skf18("9","1","7","4","9","3","1") = "8"
    & skf18("9","1","7","4","9","4","1") = "8"
    & skf18("9","1","7","4","9","5","1") = "8"
    & skf18("9","1","7","4","9","6","1") = "8"
    & skf18("9","1","7","4","9","7","1") = "8"
    & skf18("9","1","7","4","9","8","1") = "8"
    & skf18("9","1","7","4","9","9","1") = "8"
    & skf18("9","1","7","4","9","10","1") = "9"
    & skf18("9","1","7","4","10","1","1") = "9"
    & skf18("9","1","7","4","10","2","1") = "9"
    & skf18("9","1","7","4","10","3","1") = "9"
    & skf18("9","1","7","4","10","4","1") = "9"
    & skf18("9","1","7","4","10","5","1") = "9"
    & skf18("9","1","7","4","10","6","1") = "9"
    & skf18("9","1","7","4","10","7","1") = "9"
    & skf18("9","1","7","4","10","8","1") = "9"
    & skf18("9","1","7","4","10","9","1") = "9"
    & skf18("9","1","7","4","10","10","1") = "9"
    & skf18("9","1","7","5","1","1","1") = "8"
    & skf18("9","1","7","5","1","2","1") = "8"
    & skf18("9","1","7","5","1","3","1") = "8"
    & skf18("9","1","7","5","1","4","1") = "8"
    & skf18("9","1","7","5","1","5","1") = "8"
    & skf18("9","1","7","5","1","6","1") = "8"
    & skf18("9","1","7","5","1","7","1") = "8"
    & skf18("9","1","7","5","1","8","1") = "8"
    & skf18("9","1","7","5","1","9","1") = "8"
    & skf18("9","1","7","5","1","10","1") = "9"
    & skf18("9","1","7","5","2","1","1") = "8"
    & skf18("9","1","7","5","2","2","1") = "8"
    & skf18("9","1","7","5","2","3","1") = "8"
    & skf18("9","1","7","5","2","4","1") = "8"
    & skf18("9","1","7","5","2","5","1") = "8"
    & skf18("9","1","7","5","2","6","1") = "8"
    & skf18("9","1","7","5","2","7","1") = "8"
    & skf18("9","1","7","5","2","8","1") = "8"
    & skf18("9","1","7","5","2","9","1") = "8"
    & skf18("9","1","7","5","2","10","1") = "9"
    & skf18("9","1","7","5","3","1","1") = "8"
    & skf18("9","1","7","5","3","2","1") = "8"
    & skf18("9","1","7","5","3","3","1") = "8"
    & skf18("9","1","7","5","3","4","1") = "8"
    & skf18("9","1","7","5","3","5","1") = "8"
    & skf18("9","1","7","5","3","6","1") = "8"
    & skf18("9","1","7","5","3","7","1") = "8"
    & skf18("9","1","7","5","3","8","1") = "8"
    & skf18("9","1","7","5","3","9","1") = "8"
    & skf18("9","1","7","5","3","10","1") = "9"
    & skf18("9","1","7","5","4","1","1") = "8"
    & skf18("9","1","7","5","4","2","1") = "8"
    & skf18("9","1","7","5","4","3","1") = "8"
    & skf18("9","1","7","5","4","4","1") = "8"
    & skf18("9","1","7","5","4","5","1") = "8"
    & skf18("9","1","7","5","4","6","1") = "8"
    & skf18("9","1","7","5","4","7","1") = "8"
    & skf18("9","1","7","5","4","8","1") = "8"
    & skf18("9","1","7","5","4","9","1") = "8"
    & skf18("9","1","7","5","4","10","1") = "9"
    & skf18("9","1","7","5","5","1","1") = "8"
    & skf18("9","1","7","5","5","2","1") = "8"
    & skf18("9","1","7","5","5","3","1") = "8"
    & skf18("9","1","7","5","5","4","1") = "8"
    & skf18("9","1","7","5","5","5","1") = "8"
    & skf18("9","1","7","5","5","6","1") = "8"
    & skf18("9","1","7","5","5","7","1") = "8"
    & skf18("9","1","7","5","5","8","1") = "8"
    & skf18("9","1","7","5","5","9","1") = "8"
    & skf18("9","1","7","5","5","10","1") = "9"
    & skf18("9","1","7","5","6","1","1") = "8"
    & skf18("9","1","7","5","6","2","1") = "8"
    & skf18("9","1","7","5","6","3","1") = "8"
    & skf18("9","1","7","5","6","4","1") = "8"
    & skf18("9","1","7","5","6","5","1") = "8"
    & skf18("9","1","7","5","6","6","1") = "8"
    & skf18("9","1","7","5","6","7","1") = "8"
    & skf18("9","1","7","5","6","8","1") = "8"
    & skf18("9","1","7","5","6","9","1") = "8"
    & skf18("9","1","7","5","6","10","1") = "9"
    & skf18("9","1","7","5","7","1","1") = "8"
    & skf18("9","1","7","5","7","2","1") = "8"
    & skf18("9","1","7","5","7","3","1") = "8"
    & skf18("9","1","7","5","7","4","1") = "8"
    & skf18("9","1","7","5","7","5","1") = "8"
    & skf18("9","1","7","5","7","6","1") = "8"
    & skf18("9","1","7","5","7","7","1") = "8"
    & skf18("9","1","7","5","7","8","1") = "8"
    & skf18("9","1","7","5","7","9","1") = "8"
    & skf18("9","1","7","5","7","10","1") = "9"
    & skf18("9","1","7","5","8","1","1") = "8"
    & skf18("9","1","7","5","8","2","1") = "8"
    & skf18("9","1","7","5","8","3","1") = "8"
    & skf18("9","1","7","5","8","4","1") = "8"
    & skf18("9","1","7","5","8","5","1") = "8"
    & skf18("9","1","7","5","8","6","1") = "8"
    & skf18("9","1","7","5","8","7","1") = "8"
    & skf18("9","1","7","5","8","8","1") = "8"
    & skf18("9","1","7","5","8","9","1") = "8"
    & skf18("9","1","7","5","8","10","1") = "9"
    & skf18("9","1","7","5","9","1","1") = "8"
    & skf18("9","1","7","5","9","2","1") = "8"
    & skf18("9","1","7","5","9","3","1") = "8"
    & skf18("9","1","7","5","9","4","1") = "8"
    & skf18("9","1","7","5","9","5","1") = "8"
    & skf18("9","1","7","5","9","6","1") = "8"
    & skf18("9","1","7","5","9","7","1") = "8"
    & skf18("9","1","7","5","9","8","1") = "8"
    & skf18("9","1","7","5","9","9","1") = "8"
    & skf18("9","1","7","5","9","10","1") = "9"
    & skf18("9","1","7","5","10","1","1") = "9"
    & skf18("9","1","7","5","10","2","1") = "9"
    & skf18("9","1","7","5","10","3","1") = "9"
    & skf18("9","1","7","5","10","4","1") = "9"
    & skf18("9","1","7","5","10","5","1") = "9"
    & skf18("9","1","7","5","10","6","1") = "9"
    & skf18("9","1","7","5","10","7","1") = "9"
    & skf18("9","1","7","5","10","8","1") = "9"
    & skf18("9","1","7","5","10","9","1") = "9"
    & skf18("9","1","7","5","10","10","1") = "9"
    & skf18("9","1","7","6","1","1","1") = "8"
    & skf18("9","1","7","6","1","2","1") = "8"
    & skf18("9","1","7","6","1","3","1") = "8"
    & skf18("9","1","7","6","1","4","1") = "8"
    & skf18("9","1","7","6","1","5","1") = "8"
    & skf18("9","1","7","6","1","6","1") = "8"
    & skf18("9","1","7","6","1","7","1") = "8"
    & skf18("9","1","7","6","1","8","1") = "8"
    & skf18("9","1","7","6","1","9","1") = "8"
    & skf18("9","1","7","6","1","10","1") = "9"
    & skf18("9","1","7","6","2","1","1") = "8"
    & skf18("9","1","7","6","2","2","1") = "8"
    & skf18("9","1","7","6","2","3","1") = "8"
    & skf18("9","1","7","6","2","4","1") = "8"
    & skf18("9","1","7","6","2","5","1") = "8"
    & skf18("9","1","7","6","2","6","1") = "8"
    & skf18("9","1","7","6","2","7","1") = "8"
    & skf18("9","1","7","6","2","8","1") = "8"
    & skf18("9","1","7","6","2","9","1") = "8"
    & skf18("9","1","7","6","2","10","1") = "9"
    & skf18("9","1","7","6","3","1","1") = "8"
    & skf18("9","1","7","6","3","2","1") = "8"
    & skf18("9","1","7","6","3","3","1") = "8"
    & skf18("9","1","7","6","3","4","1") = "8"
    & skf18("9","1","7","6","3","5","1") = "8"
    & skf18("9","1","7","6","3","6","1") = "8"
    & skf18("9","1","7","6","3","7","1") = "8"
    & skf18("9","1","7","6","3","8","1") = "8"
    & skf18("9","1","7","6","3","9","1") = "8"
    & skf18("9","1","7","6","3","10","1") = "9"
    & skf18("9","1","7","6","4","1","1") = "8"
    & skf18("9","1","7","6","4","2","1") = "8"
    & skf18("9","1","7","6","4","3","1") = "8"
    & skf18("9","1","7","6","4","4","1") = "8"
    & skf18("9","1","7","6","4","5","1") = "8"
    & skf18("9","1","7","6","4","6","1") = "8"
    & skf18("9","1","7","6","4","7","1") = "8"
    & skf18("9","1","7","6","4","8","1") = "8"
    & skf18("9","1","7","6","4","9","1") = "8"
    & skf18("9","1","7","6","4","10","1") = "9"
    & skf18("9","1","7","6","5","1","1") = "8"
    & skf18("9","1","7","6","5","2","1") = "8"
    & skf18("9","1","7","6","5","3","1") = "8"
    & skf18("9","1","7","6","5","4","1") = "8"
    & skf18("9","1","7","6","5","5","1") = "8"
    & skf18("9","1","7","6","5","6","1") = "8"
    & skf18("9","1","7","6","5","7","1") = "8"
    & skf18("9","1","7","6","5","8","1") = "8"
    & skf18("9","1","7","6","5","9","1") = "8"
    & skf18("9","1","7","6","5","10","1") = "9"
    & skf18("9","1","7","6","6","1","1") = "8"
    & skf18("9","1","7","6","6","2","1") = "8"
    & skf18("9","1","7","6","6","3","1") = "8"
    & skf18("9","1","7","6","6","4","1") = "8"
    & skf18("9","1","7","6","6","5","1") = "8"
    & skf18("9","1","7","6","6","6","1") = "8"
    & skf18("9","1","7","6","6","7","1") = "8"
    & skf18("9","1","7","6","6","8","1") = "8"
    & skf18("9","1","7","6","6","9","1") = "8"
    & skf18("9","1","7","6","6","10","1") = "9"
    & skf18("9","1","7","6","7","1","1") = "8"
    & skf18("9","1","7","6","7","2","1") = "8"
    & skf18("9","1","7","6","7","3","1") = "8"
    & skf18("9","1","7","6","7","4","1") = "8"
    & skf18("9","1","7","6","7","5","1") = "8"
    & skf18("9","1","7","6","7","6","1") = "8"
    & skf18("9","1","7","6","7","7","1") = "8"
    & skf18("9","1","7","6","7","8","1") = "8"
    & skf18("9","1","7","6","7","9","1") = "8"
    & skf18("9","1","7","6","7","10","1") = "9"
    & skf18("9","1","7","6","8","1","1") = "8"
    & skf18("9","1","7","6","8","2","1") = "8"
    & skf18("9","1","7","6","8","3","1") = "8"
    & skf18("9","1","7","6","8","4","1") = "8"
    & skf18("9","1","7","6","8","5","1") = "8"
    & skf18("9","1","7","6","8","6","1") = "8"
    & skf18("9","1","7","6","8","7","1") = "8"
    & skf18("9","1","7","6","8","8","1") = "8"
    & skf18("9","1","7","6","8","9","1") = "8"
    & skf18("9","1","7","6","8","10","1") = "9"
    & skf18("9","1","7","6","9","1","1") = "8"
    & skf18("9","1","7","6","9","2","1") = "8"
    & skf18("9","1","7","6","9","3","1") = "8"
    & skf18("9","1","7","6","9","4","1") = "8"
    & skf18("9","1","7","6","9","5","1") = "8"
    & skf18("9","1","7","6","9","6","1") = "8"
    & skf18("9","1","7","6","9","7","1") = "8"
    & skf18("9","1","7","6","9","8","1") = "8"
    & skf18("9","1","7","6","9","9","1") = "8"
    & skf18("9","1","7","6","9","10","1") = "9"
    & skf18("9","1","7","6","10","1","1") = "9"
    & skf18("9","1","7","6","10","2","1") = "9"
    & skf18("9","1","7","6","10","3","1") = "9"
    & skf18("9","1","7","6","10","4","1") = "9"
    & skf18("9","1","7","6","10","5","1") = "9"
    & skf18("9","1","7","6","10","6","1") = "9"
    & skf18("9","1","7","6","10","7","1") = "9"
    & skf18("9","1","7","6","10","8","1") = "9"
    & skf18("9","1","7","6","10","9","1") = "9"
    & skf18("9","1","7","6","10","10","1") = "9"
    & skf18("9","1","7","7","1","1","1") = "8"
    & skf18("9","1","7","7","1","2","1") = "8"
    & skf18("9","1","7","7","1","3","1") = "8"
    & skf18("9","1","7","7","1","4","1") = "8"
    & skf18("9","1","7","7","1","5","1") = "8"
    & skf18("9","1","7","7","1","6","1") = "8"
    & skf18("9","1","7","7","1","7","1") = "8"
    & skf18("9","1","7","7","1","8","1") = "8"
    & skf18("9","1","7","7","1","9","1") = "8"
    & skf18("9","1","7","7","1","10","1") = "9"
    & skf18("9","1","7","7","2","1","1") = "8"
    & skf18("9","1","7","7","2","2","1") = "8"
    & skf18("9","1","7","7","2","3","1") = "8"
    & skf18("9","1","7","7","2","4","1") = "8"
    & skf18("9","1","7","7","2","5","1") = "8"
    & skf18("9","1","7","7","2","6","1") = "8"
    & skf18("9","1","7","7","2","7","1") = "8"
    & skf18("9","1","7","7","2","8","1") = "8"
    & skf18("9","1","7","7","2","9","1") = "8"
    & skf18("9","1","7","7","2","10","1") = "9"
    & skf18("9","1","7","7","3","1","1") = "8"
    & skf18("9","1","7","7","3","2","1") = "8"
    & skf18("9","1","7","7","3","3","1") = "8"
    & skf18("9","1","7","7","3","4","1") = "8"
    & skf18("9","1","7","7","3","5","1") = "8"
    & skf18("9","1","7","7","3","6","1") = "8"
    & skf18("9","1","7","7","3","7","1") = "8"
    & skf18("9","1","7","7","3","8","1") = "8"
    & skf18("9","1","7","7","3","9","1") = "8"
    & skf18("9","1","7","7","3","10","1") = "9"
    & skf18("9","1","7","7","4","1","1") = "8"
    & skf18("9","1","7","7","4","2","1") = "8"
    & skf18("9","1","7","7","4","3","1") = "8"
    & skf18("9","1","7","7","4","4","1") = "8"
    & skf18("9","1","7","7","4","5","1") = "8"
    & skf18("9","1","7","7","4","6","1") = "8"
    & skf18("9","1","7","7","4","7","1") = "8"
    & skf18("9","1","7","7","4","8","1") = "8"
    & skf18("9","1","7","7","4","9","1") = "8"
    & skf18("9","1","7","7","4","10","1") = "9"
    & skf18("9","1","7","7","5","1","1") = "8"
    & skf18("9","1","7","7","5","2","1") = "8"
    & skf18("9","1","7","7","5","3","1") = "8"
    & skf18("9","1","7","7","5","4","1") = "8"
    & skf18("9","1","7","7","5","5","1") = "8"
    & skf18("9","1","7","7","5","6","1") = "8"
    & skf18("9","1","7","7","5","7","1") = "8"
    & skf18("9","1","7","7","5","8","1") = "8"
    & skf18("9","1","7","7","5","9","1") = "8"
    & skf18("9","1","7","7","5","10","1") = "9"
    & skf18("9","1","7","7","6","1","1") = "8"
    & skf18("9","1","7","7","6","2","1") = "8"
    & skf18("9","1","7","7","6","3","1") = "8"
    & skf18("9","1","7","7","6","4","1") = "8"
    & skf18("9","1","7","7","6","5","1") = "8"
    & skf18("9","1","7","7","6","6","1") = "8"
    & skf18("9","1","7","7","6","7","1") = "8"
    & skf18("9","1","7","7","6","8","1") = "8"
    & skf18("9","1","7","7","6","9","1") = "8"
    & skf18("9","1","7","7","6","10","1") = "9"
    & skf18("9","1","7","7","7","1","1") = "8"
    & skf18("9","1","7","7","7","2","1") = "8"
    & skf18("9","1","7","7","7","3","1") = "8"
    & skf18("9","1","7","7","7","4","1") = "8"
    & skf18("9","1","7","7","7","5","1") = "8"
    & skf18("9","1","7","7","7","6","1") = "8"
    & skf18("9","1","7","7","7","7","1") = "8"
    & skf18("9","1","7","7","7","8","1") = "8"
    & skf18("9","1","7","7","7","9","1") = "8"
    & skf18("9","1","7","7","7","10","1") = "9"
    & skf18("9","1","7","7","8","1","1") = "8"
    & skf18("9","1","7","7","8","2","1") = "8"
    & skf18("9","1","7","7","8","3","1") = "8"
    & skf18("9","1","7","7","8","4","1") = "8"
    & skf18("9","1","7","7","8","5","1") = "8"
    & skf18("9","1","7","7","8","6","1") = "8"
    & skf18("9","1","7","7","8","7","1") = "8"
    & skf18("9","1","7","7","8","8","1") = "8"
    & skf18("9","1","7","7","8","9","1") = "8"
    & skf18("9","1","7","7","8","10","1") = "9"
    & skf18("9","1","7","7","9","1","1") = "8"
    & skf18("9","1","7","7","9","2","1") = "8"
    & skf18("9","1","7","7","9","3","1") = "8"
    & skf18("9","1","7","7","9","4","1") = "8"
    & skf18("9","1","7","7","9","5","1") = "8"
    & skf18("9","1","7","7","9","6","1") = "8"
    & skf18("9","1","7","7","9","7","1") = "8"
    & skf18("9","1","7","7","9","8","1") = "8"
    & skf18("9","1","7","7","9","9","1") = "8"
    & skf18("9","1","7","7","9","10","1") = "9"
    & skf18("9","1","7","7","10","1","1") = "9"
    & skf18("9","1","7","7","10","2","1") = "9"
    & skf18("9","1","7","7","10","3","1") = "9"
    & skf18("9","1","7","7","10","4","1") = "9"
    & skf18("9","1","7","7","10","5","1") = "9"
    & skf18("9","1","7","7","10","6","1") = "9"
    & skf18("9","1","7","7","10","7","1") = "9"
    & skf18("9","1","7","7","10","8","1") = "9"
    & skf18("9","1","7","7","10","9","1") = "9"
    & skf18("9","1","7","7","10","10","1") = "9"
    & skf18("9","1","7","8","1","1","1") = "8"
    & skf18("9","1","7","8","1","2","1") = "8"
    & skf18("9","1","7","8","1","3","1") = "8"
    & skf18("9","1","7","8","1","4","1") = "8"
    & skf18("9","1","7","8","1","5","1") = "8"
    & skf18("9","1","7","8","1","6","1") = "8"
    & skf18("9","1","7","8","1","7","1") = "8"
    & skf18("9","1","7","8","1","8","1") = "8"
    & skf18("9","1","7","8","1","9","1") = "8"
    & skf18("9","1","7","8","1","10","1") = "9"
    & skf18("9","1","7","8","2","1","1") = "8"
    & skf18("9","1","7","8","2","2","1") = "8"
    & skf18("9","1","7","8","2","3","1") = "8"
    & skf18("9","1","7","8","2","4","1") = "8"
    & skf18("9","1","7","8","2","5","1") = "8"
    & skf18("9","1","7","8","2","6","1") = "8"
    & skf18("9","1","7","8","2","7","1") = "8"
    & skf18("9","1","7","8","2","8","1") = "8"
    & skf18("9","1","7","8","2","9","1") = "8"
    & skf18("9","1","7","8","2","10","1") = "9"
    & skf18("9","1","7","8","3","1","1") = "8"
    & skf18("9","1","7","8","3","2","1") = "8"
    & skf18("9","1","7","8","3","3","1") = "8"
    & skf18("9","1","7","8","3","4","1") = "8"
    & skf18("9","1","7","8","3","5","1") = "8"
    & skf18("9","1","7","8","3","6","1") = "8"
    & skf18("9","1","7","8","3","7","1") = "8"
    & skf18("9","1","7","8","3","8","1") = "8"
    & skf18("9","1","7","8","3","9","1") = "8"
    & skf18("9","1","7","8","3","10","1") = "9"
    & skf18("9","1","7","8","4","1","1") = "8"
    & skf18("9","1","7","8","4","2","1") = "8"
    & skf18("9","1","7","8","4","3","1") = "8"
    & skf18("9","1","7","8","4","4","1") = "8"
    & skf18("9","1","7","8","4","5","1") = "8"
    & skf18("9","1","7","8","4","6","1") = "8"
    & skf18("9","1","7","8","4","7","1") = "8"
    & skf18("9","1","7","8","4","8","1") = "8"
    & skf18("9","1","7","8","4","9","1") = "8"
    & skf18("9","1","7","8","4","10","1") = "9"
    & skf18("9","1","7","8","5","1","1") = "8"
    & skf18("9","1","7","8","5","2","1") = "8"
    & skf18("9","1","7","8","5","3","1") = "8"
    & skf18("9","1","7","8","5","4","1") = "8"
    & skf18("9","1","7","8","5","5","1") = "8"
    & skf18("9","1","7","8","5","6","1") = "8"
    & skf18("9","1","7","8","5","7","1") = "8"
    & skf18("9","1","7","8","5","8","1") = "8"
    & skf18("9","1","7","8","5","9","1") = "8"
    & skf18("9","1","7","8","5","10","1") = "9"
    & skf18("9","1","7","8","6","1","1") = "8"
    & skf18("9","1","7","8","6","2","1") = "8"
    & skf18("9","1","7","8","6","3","1") = "8"
    & skf18("9","1","7","8","6","4","1") = "8"
    & skf18("9","1","7","8","6","5","1") = "8"
    & skf18("9","1","7","8","6","6","1") = "8"
    & skf18("9","1","7","8","6","7","1") = "8"
    & skf18("9","1","7","8","6","8","1") = "8"
    & skf18("9","1","7","8","6","9","1") = "8"
    & skf18("9","1","7","8","6","10","1") = "9"
    & skf18("9","1","7","8","7","1","1") = "8"
    & skf18("9","1","7","8","7","2","1") = "8"
    & skf18("9","1","7","8","7","3","1") = "8"
    & skf18("9","1","7","8","7","4","1") = "8"
    & skf18("9","1","7","8","7","5","1") = "8"
    & skf18("9","1","7","8","7","6","1") = "8"
    & skf18("9","1","7","8","7","7","1") = "8"
    & skf18("9","1","7","8","7","8","1") = "8"
    & skf18("9","1","7","8","7","9","1") = "8"
    & skf18("9","1","7","8","7","10","1") = "9"
    & skf18("9","1","7","8","8","1","1") = "8"
    & skf18("9","1","7","8","8","2","1") = "8"
    & skf18("9","1","7","8","8","3","1") = "8"
    & skf18("9","1","7","8","8","4","1") = "8"
    & skf18("9","1","7","8","8","5","1") = "8"
    & skf18("9","1","7","8","8","6","1") = "8"
    & skf18("9","1","7","8","8","7","1") = "8"
    & skf18("9","1","7","8","8","8","1") = "8"
    & skf18("9","1","7","8","8","9","1") = "8"
    & skf18("9","1","7","8","8","10","1") = "9"
    & skf18("9","1","7","8","9","1","1") = "8"
    & skf18("9","1","7","8","9","2","1") = "8"
    & skf18("9","1","7","8","9","3","1") = "8"
    & skf18("9","1","7","8","9","4","1") = "8"
    & skf18("9","1","7","8","9","5","1") = "8"
    & skf18("9","1","7","8","9","6","1") = "8"
    & skf18("9","1","7","8","9","7","1") = "8"
    & skf18("9","1","7","8","9","8","1") = "8"
    & skf18("9","1","7","8","9","9","1") = "8"
    & skf18("9","1","7","8","9","10","1") = "9"
    & skf18("9","1","7","8","10","1","1") = "9"
    & skf18("9","1","7","8","10","2","1") = "9"
    & skf18("9","1","7","8","10","3","1") = "9"
    & skf18("9","1","7","8","10","4","1") = "9"
    & skf18("9","1","7","8","10","5","1") = "9"
    & skf18("9","1","7","8","10","6","1") = "9"
    & skf18("9","1","7","8","10","7","1") = "9"
    & skf18("9","1","7","8","10","8","1") = "9"
    & skf18("9","1","7","8","10","9","1") = "9"
    & skf18("9","1","7","8","10","10","1") = "9"
    & skf18("9","1","7","9","1","1","1") = "8"
    & skf18("9","1","7","9","1","2","1") = "8"
    & skf18("9","1","7","9","1","3","1") = "8"
    & skf18("9","1","7","9","1","4","1") = "8"
    & skf18("9","1","7","9","1","5","1") = "8"
    & skf18("9","1","7","9","1","6","1") = "8"
    & skf18("9","1","7","9","1","7","1") = "8"
    & skf18("9","1","7","9","1","8","1") = "8"
    & skf18("9","1","7","9","1","9","1") = "8"
    & skf18("9","1","7","9","1","10","1") = "9"
    & skf18("9","1","7","9","2","1","1") = "8"
    & skf18("9","1","7","9","2","2","1") = "8"
    & skf18("9","1","7","9","2","3","1") = "8"
    & skf18("9","1","7","9","2","4","1") = "8"
    & skf18("9","1","7","9","2","5","1") = "8"
    & skf18("9","1","7","9","2","6","1") = "8"
    & skf18("9","1","7","9","2","7","1") = "8"
    & skf18("9","1","7","9","2","8","1") = "8"
    & skf18("9","1","7","9","2","9","1") = "8"
    & skf18("9","1","7","9","2","10","1") = "9"
    & skf18("9","1","7","9","3","1","1") = "8"
    & skf18("9","1","7","9","3","2","1") = "8"
    & skf18("9","1","7","9","3","3","1") = "8"
    & skf18("9","1","7","9","3","4","1") = "8"
    & skf18("9","1","7","9","3","5","1") = "8"
    & skf18("9","1","7","9","3","6","1") = "8"
    & skf18("9","1","7","9","3","7","1") = "8"
    & skf18("9","1","7","9","3","8","1") = "8"
    & skf18("9","1","7","9","3","9","1") = "8"
    & skf18("9","1","7","9","3","10","1") = "9"
    & skf18("9","1","7","9","4","1","1") = "8"
    & skf18("9","1","7","9","4","2","1") = "8"
    & skf18("9","1","7","9","4","3","1") = "8"
    & skf18("9","1","7","9","4","4","1") = "8"
    & skf18("9","1","7","9","4","5","1") = "8"
    & skf18("9","1","7","9","4","6","1") = "8"
    & skf18("9","1","7","9","4","7","1") = "8"
    & skf18("9","1","7","9","4","8","1") = "8"
    & skf18("9","1","7","9","4","9","1") = "8"
    & skf18("9","1","7","9","4","10","1") = "9"
    & skf18("9","1","7","9","5","1","1") = "8"
    & skf18("9","1","7","9","5","2","1") = "8"
    & skf18("9","1","7","9","5","3","1") = "8"
    & skf18("9","1","7","9","5","4","1") = "8"
    & skf18("9","1","7","9","5","5","1") = "8"
    & skf18("9","1","7","9","5","6","1") = "8"
    & skf18("9","1","7","9","5","7","1") = "8"
    & skf18("9","1","7","9","5","8","1") = "8"
    & skf18("9","1","7","9","5","9","1") = "8"
    & skf18("9","1","7","9","5","10","1") = "9"
    & skf18("9","1","7","9","6","1","1") = "8"
    & skf18("9","1","7","9","6","2","1") = "8"
    & skf18("9","1","7","9","6","3","1") = "8"
    & skf18("9","1","7","9","6","4","1") = "8"
    & skf18("9","1","7","9","6","5","1") = "8"
    & skf18("9","1","7","9","6","6","1") = "8"
    & skf18("9","1","7","9","6","7","1") = "8"
    & skf18("9","1","7","9","6","8","1") = "8"
    & skf18("9","1","7","9","6","9","1") = "8"
    & skf18("9","1","7","9","6","10","1") = "9"
    & skf18("9","1","7","9","7","1","1") = "8"
    & skf18("9","1","7","9","7","2","1") = "8"
    & skf18("9","1","7","9","7","3","1") = "8"
    & skf18("9","1","7","9","7","4","1") = "8"
    & skf18("9","1","7","9","7","5","1") = "8"
    & skf18("9","1","7","9","7","6","1") = "8"
    & skf18("9","1","7","9","7","7","1") = "8"
    & skf18("9","1","7","9","7","8","1") = "8"
    & skf18("9","1","7","9","7","9","1") = "8"
    & skf18("9","1","7","9","7","10","1") = "9"
    & skf18("9","1","7","9","8","1","1") = "8"
    & skf18("9","1","7","9","8","2","1") = "8"
    & skf18("9","1","7","9","8","3","1") = "8"
    & skf18("9","1","7","9","8","4","1") = "8"
    & skf18("9","1","7","9","8","5","1") = "8"
    & skf18("9","1","7","9","8","6","1") = "8"
    & skf18("9","1","7","9","8","7","1") = "8"
    & skf18("9","1","7","9","8","8","1") = "8"
    & skf18("9","1","7","9","8","9","1") = "8"
    & skf18("9","1","7","9","8","10","1") = "9"
    & skf18("9","1","7","9","9","1","1") = "8"
    & skf18("9","1","7","9","9","2","1") = "8"
    & skf18("9","1","7","9","9","3","1") = "8"
    & skf18("9","1","7","9","9","4","1") = "8"
    & skf18("9","1","7","9","9","5","1") = "8"
    & skf18("9","1","7","9","9","6","1") = "8"
    & skf18("9","1","7","9","9","7","1") = "8"
    & skf18("9","1","7","9","9","8","1") = "8"
    & skf18("9","1","7","9","9","9","1") = "8"
    & skf18("9","1","7","9","9","10","1") = "9"
    & skf18("9","1","7","9","10","1","1") = "9"
    & skf18("9","1","7","9","10","2","1") = "9"
    & skf18("9","1","7","9","10","3","1") = "9"
    & skf18("9","1","7","9","10","4","1") = "9"
    & skf18("9","1","7","9","10","5","1") = "9"
    & skf18("9","1","7","9","10","6","1") = "9"
    & skf18("9","1","7","9","10","7","1") = "9"
    & skf18("9","1","7","9","10","8","1") = "9"
    & skf18("9","1","7","9","10","9","1") = "9"
    & skf18("9","1","7","9","10","10","1") = "9"
    & skf18("9","1","7","10","1","1","1") = "9"
    & skf18("9","1","7","10","1","2","1") = "9"
    & skf18("9","1","7","10","1","3","1") = "9"
    & skf18("9","1","7","10","1","4","1") = "9"
    & skf18("9","1","7","10","1","5","1") = "9"
    & skf18("9","1","7","10","1","6","1") = "9"
    & skf18("9","1","7","10","1","7","1") = "9"
    & skf18("9","1","7","10","1","8","1") = "9"
    & skf18("9","1","7","10","1","9","1") = "9"
    & skf18("9","1","7","10","1","10","1") = "9"
    & skf18("9","1","7","10","2","1","1") = "9"
    & skf18("9","1","7","10","2","2","1") = "9"
    & skf18("9","1","7","10","2","3","1") = "9"
    & skf18("9","1","7","10","2","4","1") = "9"
    & skf18("9","1","7","10","2","5","1") = "9"
    & skf18("9","1","7","10","2","6","1") = "9"
    & skf18("9","1","7","10","2","7","1") = "9"
    & skf18("9","1","7","10","2","8","1") = "9"
    & skf18("9","1","7","10","2","9","1") = "9"
    & skf18("9","1","7","10","2","10","1") = "9"
    & skf18("9","1","7","10","3","1","1") = "9"
    & skf18("9","1","7","10","3","2","1") = "9"
    & skf18("9","1","7","10","3","3","1") = "9"
    & skf18("9","1","7","10","3","4","1") = "9"
    & skf18("9","1","7","10","3","5","1") = "9"
    & skf18("9","1","7","10","3","6","1") = "9"
    & skf18("9","1","7","10","3","7","1") = "9"
    & skf18("9","1","7","10","3","8","1") = "9"
    & skf18("9","1","7","10","3","9","1") = "9"
    & skf18("9","1","7","10","3","10","1") = "9"
    & skf18("9","1","7","10","4","1","1") = "9"
    & skf18("9","1","7","10","4","2","1") = "9"
    & skf18("9","1","7","10","4","3","1") = "9"
    & skf18("9","1","7","10","4","4","1") = "9"
    & skf18("9","1","7","10","4","5","1") = "9"
    & skf18("9","1","7","10","4","6","1") = "9"
    & skf18("9","1","7","10","4","7","1") = "9"
    & skf18("9","1","7","10","4","8","1") = "9"
    & skf18("9","1","7","10","4","9","1") = "9"
    & skf18("9","1","7","10","4","10","1") = "9"
    & skf18("9","1","7","10","5","1","1") = "9"
    & skf18("9","1","7","10","5","2","1") = "9"
    & skf18("9","1","7","10","5","3","1") = "9"
    & skf18("9","1","7","10","5","4","1") = "9"
    & skf18("9","1","7","10","5","5","1") = "9"
    & skf18("9","1","7","10","5","6","1") = "9"
    & skf18("9","1","7","10","5","7","1") = "9"
    & skf18("9","1","7","10","5","8","1") = "9"
    & skf18("9","1","7","10","5","9","1") = "9"
    & skf18("9","1","7","10","5","10","1") = "9"
    & skf18("9","1","7","10","6","1","1") = "9"
    & skf18("9","1","7","10","6","2","1") = "9"
    & skf18("9","1","7","10","6","3","1") = "9"
    & skf18("9","1","7","10","6","4","1") = "9"
    & skf18("9","1","7","10","6","5","1") = "9"
    & skf18("9","1","7","10","6","6","1") = "9"
    & skf18("9","1","7","10","6","7","1") = "9"
    & skf18("9","1","7","10","6","8","1") = "9"
    & skf18("9","1","7","10","6","9","1") = "9"
    & skf18("9","1","7","10","6","10","1") = "9"
    & skf18("9","1","7","10","7","1","1") = "9"
    & skf18("9","1","7","10","7","2","1") = "9"
    & skf18("9","1","7","10","7","3","1") = "9"
    & skf18("9","1","7","10","7","4","1") = "9"
    & skf18("9","1","7","10","7","5","1") = "9"
    & skf18("9","1","7","10","7","6","1") = "9"
    & skf18("9","1","7","10","7","7","1") = "9"
    & skf18("9","1","7","10","7","8","1") = "9"
    & skf18("9","1","7","10","7","9","1") = "9"
    & skf18("9","1","7","10","7","10","1") = "9"
    & skf18("9","1","7","10","8","1","1") = "9"
    & skf18("9","1","7","10","8","2","1") = "9"
    & skf18("9","1","7","10","8","3","1") = "9"
    & skf18("9","1","7","10","8","4","1") = "9"
    & skf18("9","1","7","10","8","5","1") = "9"
    & skf18("9","1","7","10","8","6","1") = "9"
    & skf18("9","1","7","10","8","7","1") = "9"
    & skf18("9","1","7","10","8","8","1") = "9"
    & skf18("9","1","7","10","8","9","1") = "9"
    & skf18("9","1","7","10","8","10","1") = "9"
    & skf18("9","1","7","10","9","1","1") = "9"
    & skf18("9","1","7","10","9","2","1") = "9"
    & skf18("9","1","7","10","9","3","1") = "9"
    & skf18("9","1","7","10","9","4","1") = "9"
    & skf18("9","1","7","10","9","5","1") = "9"
    & skf18("9","1","7","10","9","6","1") = "9"
    & skf18("9","1","7","10","9","7","1") = "9"
    & skf18("9","1","7","10","9","8","1") = "9"
    & skf18("9","1","7","10","9","9","1") = "9"
    & skf18("9","1","7","10","9","10","1") = "9"
    & skf18("9","1","7","10","10","1","1") = "9"
    & skf18("9","1","7","10","10","2","1") = "9"
    & skf18("9","1","7","10","10","3","1") = "9"
    & skf18("9","1","7","10","10","4","1") = "9"
    & skf18("9","1","7","10","10","5","1") = "9"
    & skf18("9","1","7","10","10","6","1") = "9"
    & skf18("9","1","7","10","10","7","1") = "9"
    & skf18("9","1","7","10","10","8","1") = "9"
    & skf18("9","1","7","10","10","9","1") = "9"
    & skf18("9","1","7","10","10","10","1") = "9"
    & skf18("9","1","8","1","1","1","1") = "8"
    & skf18("9","1","8","1","1","2","1") = "8"
    & skf18("9","1","8","1","1","3","1") = "8"
    & skf18("9","1","8","1","1","4","1") = "8"
    & skf18("9","1","8","1","1","5","1") = "8"
    & skf18("9","1","8","1","1","6","1") = "8"
    & skf18("9","1","8","1","1","7","1") = "8"
    & skf18("9","1","8","1","1","8","1") = "8"
    & skf18("9","1","8","1","1","9","1") = "8"
    & skf18("9","1","8","1","1","10","1") = "9"
    & skf18("9","1","8","1","2","1","1") = "8"
    & skf18("9","1","8","1","2","2","1") = "8"
    & skf18("9","1","8","1","2","3","1") = "8"
    & skf18("9","1","8","1","2","4","1") = "8"
    & skf18("9","1","8","1","2","5","1") = "8"
    & skf18("9","1","8","1","2","6","1") = "8"
    & skf18("9","1","8","1","2","7","1") = "8"
    & skf18("9","1","8","1","2","8","1") = "8"
    & skf18("9","1","8","1","2","9","1") = "8"
    & skf18("9","1","8","1","2","10","1") = "9"
    & skf18("9","1","8","1","3","1","1") = "8"
    & skf18("9","1","8","1","3","2","1") = "8"
    & skf18("9","1","8","1","3","3","1") = "8"
    & skf18("9","1","8","1","3","4","1") = "8"
    & skf18("9","1","8","1","3","5","1") = "8"
    & skf18("9","1","8","1","3","6","1") = "8"
    & skf18("9","1","8","1","3","7","1") = "8"
    & skf18("9","1","8","1","3","8","1") = "8"
    & skf18("9","1","8","1","3","9","1") = "8"
    & skf18("9","1","8","1","3","10","1") = "9"
    & skf18("9","1","8","1","4","1","1") = "8"
    & skf18("9","1","8","1","4","2","1") = "8"
    & skf18("9","1","8","1","4","3","1") = "8"
    & skf18("9","1","8","1","4","4","1") = "8"
    & skf18("9","1","8","1","4","5","1") = "8"
    & skf18("9","1","8","1","4","6","1") = "8"
    & skf18("9","1","8","1","4","7","1") = "8"
    & skf18("9","1","8","1","4","8","1") = "8"
    & skf18("9","1","8","1","4","9","1") = "8"
    & skf18("9","1","8","1","4","10","1") = "9"
    & skf18("9","1","8","1","5","1","1") = "8"
    & skf18("9","1","8","1","5","2","1") = "8"
    & skf18("9","1","8","1","5","3","1") = "8"
    & skf18("9","1","8","1","5","4","1") = "8"
    & skf18("9","1","8","1","5","5","1") = "8"
    & skf18("9","1","8","1","5","6","1") = "8"
    & skf18("9","1","8","1","5","7","1") = "8"
    & skf18("9","1","8","1","5","8","1") = "8"
    & skf18("9","1","8","1","5","9","1") = "8"
    & skf18("9","1","8","1","5","10","1") = "9"
    & skf18("9","1","8","1","6","1","1") = "8"
    & skf18("9","1","8","1","6","2","1") = "8"
    & skf18("9","1","8","1","6","3","1") = "8"
    & skf18("9","1","8","1","6","4","1") = "8"
    & skf18("9","1","8","1","6","5","1") = "8"
    & skf18("9","1","8","1","6","6","1") = "8"
    & skf18("9","1","8","1","6","7","1") = "8"
    & skf18("9","1","8","1","6","8","1") = "8"
    & skf18("9","1","8","1","6","9","1") = "8"
    & skf18("9","1","8","1","6","10","1") = "9"
    & skf18("9","1","8","1","7","1","1") = "8"
    & skf18("9","1","8","1","7","2","1") = "8"
    & skf18("9","1","8","1","7","3","1") = "8"
    & skf18("9","1","8","1","7","4","1") = "8"
    & skf18("9","1","8","1","7","5","1") = "8"
    & skf18("9","1","8","1","7","6","1") = "8"
    & skf18("9","1","8","1","7","7","1") = "8"
    & skf18("9","1","8","1","7","8","1") = "8"
    & skf18("9","1","8","1","7","9","1") = "8"
    & skf18("9","1","8","1","7","10","1") = "9"
    & skf18("9","1","8","1","8","1","1") = "8"
    & skf18("9","1","8","1","8","2","1") = "8"
    & skf18("9","1","8","1","8","3","1") = "8"
    & skf18("9","1","8","1","8","4","1") = "8"
    & skf18("9","1","8","1","8","5","1") = "8"
    & skf18("9","1","8","1","8","6","1") = "8"
    & skf18("9","1","8","1","8","7","1") = "8"
    & skf18("9","1","8","1","8","8","1") = "8"
    & skf18("9","1","8","1","8","9","1") = "8"
    & skf18("9","1","8","1","8","10","1") = "9"
    & skf18("9","1","8","1","9","1","1") = "8"
    & skf18("9","1","8","1","9","2","1") = "8"
    & skf18("9","1","8","1","9","3","1") = "8"
    & skf18("9","1","8","1","9","4","1") = "8"
    & skf18("9","1","8","1","9","5","1") = "8"
    & skf18("9","1","8","1","9","6","1") = "8"
    & skf18("9","1","8","1","9","7","1") = "8"
    & skf18("9","1","8","1","9","8","1") = "8"
    & skf18("9","1","8","1","9","9","1") = "8"
    & skf18("9","1","8","1","9","10","1") = "9"
    & skf18("9","1","8","1","10","1","1") = "9"
    & skf18("9","1","8","1","10","2","1") = "9"
    & skf18("9","1","8","1","10","3","1") = "9"
    & skf18("9","1","8","1","10","4","1") = "9"
    & skf18("9","1","8","1","10","5","1") = "9"
    & skf18("9","1","8","1","10","6","1") = "9"
    & skf18("9","1","8","1","10","7","1") = "9"
    & skf18("9","1","8","1","10","8","1") = "9"
    & skf18("9","1","8","1","10","9","1") = "9"
    & skf18("9","1","8","1","10","10","1") = "9"
    & skf18("9","1","8","2","1","1","1") = "8"
    & skf18("9","1","8","2","1","2","1") = "8"
    & skf18("9","1","8","2","1","3","1") = "8"
    & skf18("9","1","8","2","1","4","1") = "8"
    & skf18("9","1","8","2","1","5","1") = "8"
    & skf18("9","1","8","2","1","6","1") = "8"
    & skf18("9","1","8","2","1","7","1") = "8"
    & skf18("9","1","8","2","1","8","1") = "8"
    & skf18("9","1","8","2","1","9","1") = "8"
    & skf18("9","1","8","2","1","10","1") = "9"
    & skf18("9","1","8","2","2","1","1") = "8"
    & skf18("9","1","8","2","2","2","1") = "8"
    & skf18("9","1","8","2","2","3","1") = "8"
    & skf18("9","1","8","2","2","4","1") = "8"
    & skf18("9","1","8","2","2","5","1") = "8"
    & skf18("9","1","8","2","2","6","1") = "8"
    & skf18("9","1","8","2","2","7","1") = "8"
    & skf18("9","1","8","2","2","8","1") = "8"
    & skf18("9","1","8","2","2","9","1") = "8"
    & skf18("9","1","8","2","2","10","1") = "9"
    & skf18("9","1","8","2","3","1","1") = "8"
    & skf18("9","1","8","2","3","2","1") = "8"
    & skf18("9","1","8","2","3","3","1") = "8"
    & skf18("9","1","8","2","3","4","1") = "8"
    & skf18("9","1","8","2","3","5","1") = "8"
    & skf18("9","1","8","2","3","6","1") = "8"
    & skf18("9","1","8","2","3","7","1") = "8"
    & skf18("9","1","8","2","3","8","1") = "8"
    & skf18("9","1","8","2","3","9","1") = "8"
    & skf18("9","1","8","2","3","10","1") = "9"
    & skf18("9","1","8","2","4","1","1") = "8"
    & skf18("9","1","8","2","4","2","1") = "8"
    & skf18("9","1","8","2","4","3","1") = "8"
    & skf18("9","1","8","2","4","4","1") = "8"
    & skf18("9","1","8","2","4","5","1") = "8"
    & skf18("9","1","8","2","4","6","1") = "8"
    & skf18("9","1","8","2","4","7","1") = "8"
    & skf18("9","1","8","2","4","8","1") = "8"
    & skf18("9","1","8","2","4","9","1") = "8"
    & skf18("9","1","8","2","4","10","1") = "9"
    & skf18("9","1","8","2","5","1","1") = "8"
    & skf18("9","1","8","2","5","2","1") = "8"
    & skf18("9","1","8","2","5","3","1") = "8"
    & skf18("9","1","8","2","5","4","1") = "8"
    & skf18("9","1","8","2","5","5","1") = "8"
    & skf18("9","1","8","2","5","6","1") = "8"
    & skf18("9","1","8","2","5","7","1") = "8"
    & skf18("9","1","8","2","5","8","1") = "8"
    & skf18("9","1","8","2","5","9","1") = "8"
    & skf18("9","1","8","2","5","10","1") = "9"
    & skf18("9","1","8","2","6","1","1") = "8"
    & skf18("9","1","8","2","6","2","1") = "8"
    & skf18("9","1","8","2","6","3","1") = "8"
    & skf18("9","1","8","2","6","4","1") = "8"
    & skf18("9","1","8","2","6","5","1") = "8"
    & skf18("9","1","8","2","6","6","1") = "8"
    & skf18("9","1","8","2","6","7","1") = "8"
    & skf18("9","1","8","2","6","8","1") = "8"
    & skf18("9","1","8","2","6","9","1") = "8"
    & skf18("9","1","8","2","6","10","1") = "9"
    & skf18("9","1","8","2","7","1","1") = "8"
    & skf18("9","1","8","2","7","2","1") = "8"
    & skf18("9","1","8","2","7","3","1") = "8"
    & skf18("9","1","8","2","7","4","1") = "8"
    & skf18("9","1","8","2","7","5","1") = "8"
    & skf18("9","1","8","2","7","6","1") = "8"
    & skf18("9","1","8","2","7","7","1") = "8"
    & skf18("9","1","8","2","7","8","1") = "8"
    & skf18("9","1","8","2","7","9","1") = "8"
    & skf18("9","1","8","2","7","10","1") = "9"
    & skf18("9","1","8","2","8","1","1") = "8"
    & skf18("9","1","8","2","8","2","1") = "8"
    & skf18("9","1","8","2","8","3","1") = "8"
    & skf18("9","1","8","2","8","4","1") = "8"
    & skf18("9","1","8","2","8","5","1") = "8"
    & skf18("9","1","8","2","8","6","1") = "8"
    & skf18("9","1","8","2","8","7","1") = "8"
    & skf18("9","1","8","2","8","8","1") = "8"
    & skf18("9","1","8","2","8","9","1") = "8"
    & skf18("9","1","8","2","8","10","1") = "9"
    & skf18("9","1","8","2","9","1","1") = "8"
    & skf18("9","1","8","2","9","2","1") = "8"
    & skf18("9","1","8","2","9","3","1") = "8"
    & skf18("9","1","8","2","9","4","1") = "8"
    & skf18("9","1","8","2","9","5","1") = "8"
    & skf18("9","1","8","2","9","6","1") = "8"
    & skf18("9","1","8","2","9","7","1") = "8"
    & skf18("9","1","8","2","9","8","1") = "8"
    & skf18("9","1","8","2","9","9","1") = "8"
    & skf18("9","1","8","2","9","10","1") = "9"
    & skf18("9","1","8","2","10","1","1") = "9"
    & skf18("9","1","8","2","10","2","1") = "9"
    & skf18("9","1","8","2","10","3","1") = "9"
    & skf18("9","1","8","2","10","4","1") = "9"
    & skf18("9","1","8","2","10","5","1") = "9"
    & skf18("9","1","8","2","10","6","1") = "9"
    & skf18("9","1","8","2","10","7","1") = "9"
    & skf18("9","1","8","2","10","8","1") = "9"
    & skf18("9","1","8","2","10","9","1") = "9"
    & skf18("9","1","8","2","10","10","1") = "9"
    & skf18("9","1","8","3","1","1","1") = "8"
    & skf18("9","1","8","3","1","2","1") = "8"
    & skf18("9","1","8","3","1","3","1") = "8"
    & skf18("9","1","8","3","1","4","1") = "8"
    & skf18("9","1","8","3","1","5","1") = "8"
    & skf18("9","1","8","3","1","6","1") = "8"
    & skf18("9","1","8","3","1","7","1") = "8"
    & skf18("9","1","8","3","1","8","1") = "8"
    & skf18("9","1","8","3","1","9","1") = "8"
    & skf18("9","1","8","3","1","10","1") = "9"
    & skf18("9","1","8","3","2","1","1") = "8"
    & skf18("9","1","8","3","2","2","1") = "8"
    & skf18("9","1","8","3","2","3","1") = "8"
    & skf18("9","1","8","3","2","4","1") = "8"
    & skf18("9","1","8","3","2","5","1") = "8"
    & skf18("9","1","8","3","2","6","1") = "8"
    & skf18("9","1","8","3","2","7","1") = "8"
    & skf18("9","1","8","3","2","8","1") = "8"
    & skf18("9","1","8","3","2","9","1") = "8"
    & skf18("9","1","8","3","2","10","1") = "9"
    & skf18("9","1","8","3","3","1","1") = "8"
    & skf18("9","1","8","3","3","2","1") = "8"
    & skf18("9","1","8","3","3","3","1") = "8"
    & skf18("9","1","8","3","3","4","1") = "8"
    & skf18("9","1","8","3","3","5","1") = "8"
    & skf18("9","1","8","3","3","6","1") = "8"
    & skf18("9","1","8","3","3","7","1") = "8"
    & skf18("9","1","8","3","3","8","1") = "8"
    & skf18("9","1","8","3","3","9","1") = "8"
    & skf18("9","1","8","3","3","10","1") = "9"
    & skf18("9","1","8","3","4","1","1") = "8"
    & skf18("9","1","8","3","4","2","1") = "8"
    & skf18("9","1","8","3","4","3","1") = "8"
    & skf18("9","1","8","3","4","4","1") = "8"
    & skf18("9","1","8","3","4","5","1") = "8"
    & skf18("9","1","8","3","4","6","1") = "8"
    & skf18("9","1","8","3","4","7","1") = "8"
    & skf18("9","1","8","3","4","8","1") = "8"
    & skf18("9","1","8","3","4","9","1") = "8"
    & skf18("9","1","8","3","4","10","1") = "9"
    & skf18("9","1","8","3","5","1","1") = "8"
    & skf18("9","1","8","3","5","2","1") = "8"
    & skf18("9","1","8","3","5","3","1") = "8"
    & skf18("9","1","8","3","5","4","1") = "8"
    & skf18("9","1","8","3","5","5","1") = "8"
    & skf18("9","1","8","3","5","6","1") = "8"
    & skf18("9","1","8","3","5","7","1") = "8"
    & skf18("9","1","8","3","5","8","1") = "8"
    & skf18("9","1","8","3","5","9","1") = "8"
    & skf18("9","1","8","3","5","10","1") = "9"
    & skf18("9","1","8","3","6","1","1") = "8"
    & skf18("9","1","8","3","6","2","1") = "8"
    & skf18("9","1","8","3","6","3","1") = "8"
    & skf18("9","1","8","3","6","4","1") = "8"
    & skf18("9","1","8","3","6","5","1") = "8"
    & skf18("9","1","8","3","6","6","1") = "8"
    & skf18("9","1","8","3","6","7","1") = "8"
    & skf18("9","1","8","3","6","8","1") = "8"
    & skf18("9","1","8","3","6","9","1") = "8"
    & skf18("9","1","8","3","6","10","1") = "9"
    & skf18("9","1","8","3","7","1","1") = "8"
    & skf18("9","1","8","3","7","2","1") = "8"
    & skf18("9","1","8","3","7","3","1") = "8"
    & skf18("9","1","8","3","7","4","1") = "8"
    & skf18("9","1","8","3","7","5","1") = "8"
    & skf18("9","1","8","3","7","6","1") = "8"
    & skf18("9","1","8","3","7","7","1") = "8"
    & skf18("9","1","8","3","7","8","1") = "8"
    & skf18("9","1","8","3","7","9","1") = "8"
    & skf18("9","1","8","3","7","10","1") = "9"
    & skf18("9","1","8","3","8","1","1") = "8"
    & skf18("9","1","8","3","8","2","1") = "8"
    & skf18("9","1","8","3","8","3","1") = "8"
    & skf18("9","1","8","3","8","4","1") = "8"
    & skf18("9","1","8","3","8","5","1") = "8"
    & skf18("9","1","8","3","8","6","1") = "8"
    & skf18("9","1","8","3","8","7","1") = "8"
    & skf18("9","1","8","3","8","8","1") = "8"
    & skf18("9","1","8","3","8","9","1") = "8"
    & skf18("9","1","8","3","8","10","1") = "9"
    & skf18("9","1","8","3","9","1","1") = "8"
    & skf18("9","1","8","3","9","2","1") = "8"
    & skf18("9","1","8","3","9","3","1") = "8"
    & skf18("9","1","8","3","9","4","1") = "8"
    & skf18("9","1","8","3","9","5","1") = "8"
    & skf18("9","1","8","3","9","6","1") = "8"
    & skf18("9","1","8","3","9","7","1") = "8"
    & skf18("9","1","8","3","9","8","1") = "8"
    & skf18("9","1","8","3","9","9","1") = "8"
    & skf18("9","1","8","3","9","10","1") = "9"
    & skf18("9","1","8","3","10","1","1") = "9"
    & skf18("9","1","8","3","10","2","1") = "9"
    & skf18("9","1","8","3","10","3","1") = "9"
    & skf18("9","1","8","3","10","4","1") = "9"
    & skf18("9","1","8","3","10","5","1") = "9"
    & skf18("9","1","8","3","10","6","1") = "9"
    & skf18("9","1","8","3","10","7","1") = "9"
    & skf18("9","1","8","3","10","8","1") = "9"
    & skf18("9","1","8","3","10","9","1") = "9"
    & skf18("9","1","8","3","10","10","1") = "9"
    & skf18("9","1","8","4","1","1","1") = "8"
    & skf18("9","1","8","4","1","2","1") = "8"
    & skf18("9","1","8","4","1","3","1") = "8"
    & skf18("9","1","8","4","1","4","1") = "8"
    & skf18("9","1","8","4","1","5","1") = "8"
    & skf18("9","1","8","4","1","6","1") = "8"
    & skf18("9","1","8","4","1","7","1") = "8"
    & skf18("9","1","8","4","1","8","1") = "8"
    & skf18("9","1","8","4","1","9","1") = "8"
    & skf18("9","1","8","4","1","10","1") = "9"
    & skf18("9","1","8","4","2","1","1") = "8"
    & skf18("9","1","8","4","2","2","1") = "8"
    & skf18("9","1","8","4","2","3","1") = "8"
    & skf18("9","1","8","4","2","4","1") = "8"
    & skf18("9","1","8","4","2","5","1") = "8"
    & skf18("9","1","8","4","2","6","1") = "8"
    & skf18("9","1","8","4","2","7","1") = "8"
    & skf18("9","1","8","4","2","8","1") = "8"
    & skf18("9","1","8","4","2","9","1") = "8"
    & skf18("9","1","8","4","2","10","1") = "9"
    & skf18("9","1","8","4","3","1","1") = "8"
    & skf18("9","1","8","4","3","2","1") = "8"
    & skf18("9","1","8","4","3","3","1") = "8"
    & skf18("9","1","8","4","3","4","1") = "8"
    & skf18("9","1","8","4","3","5","1") = "8"
    & skf18("9","1","8","4","3","6","1") = "8"
    & skf18("9","1","8","4","3","7","1") = "8"
    & skf18("9","1","8","4","3","8","1") = "8"
    & skf18("9","1","8","4","3","9","1") = "8"
    & skf18("9","1","8","4","3","10","1") = "9"
    & skf18("9","1","8","4","4","1","1") = "8"
    & skf18("9","1","8","4","4","2","1") = "8"
    & skf18("9","1","8","4","4","3","1") = "8"
    & skf18("9","1","8","4","4","4","1") = "8"
    & skf18("9","1","8","4","4","5","1") = "8"
    & skf18("9","1","8","4","4","6","1") = "8"
    & skf18("9","1","8","4","4","7","1") = "8"
    & skf18("9","1","8","4","4","8","1") = "8"
    & skf18("9","1","8","4","4","9","1") = "8"
    & skf18("9","1","8","4","4","10","1") = "9"
    & skf18("9","1","8","4","5","1","1") = "8"
    & skf18("9","1","8","4","5","2","1") = "8"
    & skf18("9","1","8","4","5","3","1") = "8"
    & skf18("9","1","8","4","5","4","1") = "8"
    & skf18("9","1","8","4","5","5","1") = "8"
    & skf18("9","1","8","4","5","6","1") = "8"
    & skf18("9","1","8","4","5","7","1") = "8"
    & skf18("9","1","8","4","5","8","1") = "8"
    & skf18("9","1","8","4","5","9","1") = "8"
    & skf18("9","1","8","4","5","10","1") = "9"
    & skf18("9","1","8","4","6","1","1") = "8"
    & skf18("9","1","8","4","6","2","1") = "8"
    & skf18("9","1","8","4","6","3","1") = "8"
    & skf18("9","1","8","4","6","4","1") = "8"
    & skf18("9","1","8","4","6","5","1") = "8"
    & skf18("9","1","8","4","6","6","1") = "8"
    & skf18("9","1","8","4","6","7","1") = "8"
    & skf18("9","1","8","4","6","8","1") = "8"
    & skf18("9","1","8","4","6","9","1") = "8"
    & skf18("9","1","8","4","6","10","1") = "9"
    & skf18("9","1","8","4","7","1","1") = "8"
    & skf18("9","1","8","4","7","2","1") = "8"
    & skf18("9","1","8","4","7","3","1") = "8"
    & skf18("9","1","8","4","7","4","1") = "8"
    & skf18("9","1","8","4","7","5","1") = "8"
    & skf18("9","1","8","4","7","6","1") = "8"
    & skf18("9","1","8","4","7","7","1") = "8"
    & skf18("9","1","8","4","7","8","1") = "8"
    & skf18("9","1","8","4","7","9","1") = "8"
    & skf18("9","1","8","4","7","10","1") = "9"
    & skf18("9","1","8","4","8","1","1") = "8"
    & skf18("9","1","8","4","8","2","1") = "8"
    & skf18("9","1","8","4","8","3","1") = "8"
    & skf18("9","1","8","4","8","4","1") = "8"
    & skf18("9","1","8","4","8","5","1") = "8"
    & skf18("9","1","8","4","8","6","1") = "8"
    & skf18("9","1","8","4","8","7","1") = "8"
    & skf18("9","1","8","4","8","8","1") = "8"
    & skf18("9","1","8","4","8","9","1") = "8"
    & skf18("9","1","8","4","8","10","1") = "9"
    & skf18("9","1","8","4","9","1","1") = "8"
    & skf18("9","1","8","4","9","2","1") = "8"
    & skf18("9","1","8","4","9","3","1") = "8"
    & skf18("9","1","8","4","9","4","1") = "8"
    & skf18("9","1","8","4","9","5","1") = "8"
    & skf18("9","1","8","4","9","6","1") = "8"
    & skf18("9","1","8","4","9","7","1") = "8"
    & skf18("9","1","8","4","9","8","1") = "8"
    & skf18("9","1","8","4","9","9","1") = "8"
    & skf18("9","1","8","4","9","10","1") = "9"
    & skf18("9","1","8","4","10","1","1") = "9"
    & skf18("9","1","8","4","10","2","1") = "9"
    & skf18("9","1","8","4","10","3","1") = "9"
    & skf18("9","1","8","4","10","4","1") = "9"
    & skf18("9","1","8","4","10","5","1") = "9"
    & skf18("9","1","8","4","10","6","1") = "9"
    & skf18("9","1","8","4","10","7","1") = "9"
    & skf18("9","1","8","4","10","8","1") = "9"
    & skf18("9","1","8","4","10","9","1") = "9"
    & skf18("9","1","8","4","10","10","1") = "9"
    & skf18("9","1","8","5","1","1","1") = "8"
    & skf18("9","1","8","5","1","2","1") = "8"
    & skf18("9","1","8","5","1","3","1") = "8"
    & skf18("9","1","8","5","1","4","1") = "8"
    & skf18("9","1","8","5","1","5","1") = "8"
    & skf18("9","1","8","5","1","6","1") = "8"
    & skf18("9","1","8","5","1","7","1") = "8"
    & skf18("9","1","8","5","1","8","1") = "8"
    & skf18("9","1","8","5","1","9","1") = "8"
    & skf18("9","1","8","5","1","10","1") = "9"
    & skf18("9","1","8","5","2","1","1") = "8"
    & skf18("9","1","8","5","2","2","1") = "8"
    & skf18("9","1","8","5","2","3","1") = "8"
    & skf18("9","1","8","5","2","4","1") = "8"
    & skf18("9","1","8","5","2","5","1") = "8"
    & skf18("9","1","8","5","2","6","1") = "8"
    & skf18("9","1","8","5","2","7","1") = "8"
    & skf18("9","1","8","5","2","8","1") = "8"
    & skf18("9","1","8","5","2","9","1") = "8"
    & skf18("9","1","8","5","2","10","1") = "9"
    & skf18("9","1","8","5","3","1","1") = "8"
    & skf18("9","1","8","5","3","2","1") = "8"
    & skf18("9","1","8","5","3","3","1") = "8"
    & skf18("9","1","8","5","3","4","1") = "8"
    & skf18("9","1","8","5","3","5","1") = "8"
    & skf18("9","1","8","5","3","6","1") = "8"
    & skf18("9","1","8","5","3","7","1") = "8"
    & skf18("9","1","8","5","3","8","1") = "8"
    & skf18("9","1","8","5","3","9","1") = "8"
    & skf18("9","1","8","5","3","10","1") = "9"
    & skf18("9","1","8","5","4","1","1") = "8"
    & skf18("9","1","8","5","4","2","1") = "8"
    & skf18("9","1","8","5","4","3","1") = "8"
    & skf18("9","1","8","5","4","4","1") = "8"
    & skf18("9","1","8","5","4","5","1") = "8"
    & skf18("9","1","8","5","4","6","1") = "8"
    & skf18("9","1","8","5","4","7","1") = "8"
    & skf18("9","1","8","5","4","8","1") = "8"
    & skf18("9","1","8","5","4","9","1") = "8"
    & skf18("9","1","8","5","4","10","1") = "9"
    & skf18("9","1","8","5","5","1","1") = "8"
    & skf18("9","1","8","5","5","2","1") = "8"
    & skf18("9","1","8","5","5","3","1") = "8"
    & skf18("9","1","8","5","5","4","1") = "8"
    & skf18("9","1","8","5","5","5","1") = "8"
    & skf18("9","1","8","5","5","6","1") = "8"
    & skf18("9","1","8","5","5","7","1") = "8"
    & skf18("9","1","8","5","5","8","1") = "8"
    & skf18("9","1","8","5","5","9","1") = "8"
    & skf18("9","1","8","5","5","10","1") = "9"
    & skf18("9","1","8","5","6","1","1") = "8"
    & skf18("9","1","8","5","6","2","1") = "8"
    & skf18("9","1","8","5","6","3","1") = "8"
    & skf18("9","1","8","5","6","4","1") = "8"
    & skf18("9","1","8","5","6","5","1") = "8"
    & skf18("9","1","8","5","6","6","1") = "8"
    & skf18("9","1","8","5","6","7","1") = "8"
    & skf18("9","1","8","5","6","8","1") = "8"
    & skf18("9","1","8","5","6","9","1") = "8"
    & skf18("9","1","8","5","6","10","1") = "9"
    & skf18("9","1","8","5","7","1","1") = "8"
    & skf18("9","1","8","5","7","2","1") = "8"
    & skf18("9","1","8","5","7","3","1") = "8"
    & skf18("9","1","8","5","7","4","1") = "8"
    & skf18("9","1","8","5","7","5","1") = "8"
    & skf18("9","1","8","5","7","6","1") = "8"
    & skf18("9","1","8","5","7","7","1") = "8"
    & skf18("9","1","8","5","7","8","1") = "8"
    & skf18("9","1","8","5","7","9","1") = "8"
    & skf18("9","1","8","5","7","10","1") = "9"
    & skf18("9","1","8","5","8","1","1") = "8"
    & skf18("9","1","8","5","8","2","1") = "8"
    & skf18("9","1","8","5","8","3","1") = "8"
    & skf18("9","1","8","5","8","4","1") = "8"
    & skf18("9","1","8","5","8","5","1") = "8"
    & skf18("9","1","8","5","8","6","1") = "8"
    & skf18("9","1","8","5","8","7","1") = "8"
    & skf18("9","1","8","5","8","8","1") = "8"
    & skf18("9","1","8","5","8","9","1") = "8"
    & skf18("9","1","8","5","8","10","1") = "9"
    & skf18("9","1","8","5","9","1","1") = "8"
    & skf18("9","1","8","5","9","2","1") = "8"
    & skf18("9","1","8","5","9","3","1") = "8"
    & skf18("9","1","8","5","9","4","1") = "8"
    & skf18("9","1","8","5","9","5","1") = "8"
    & skf18("9","1","8","5","9","6","1") = "8"
    & skf18("9","1","8","5","9","7","1") = "8"
    & skf18("9","1","8","5","9","8","1") = "8"
    & skf18("9","1","8","5","9","9","1") = "8"
    & skf18("9","1","8","5","9","10","1") = "9"
    & skf18("9","1","8","5","10","1","1") = "9"
    & skf18("9","1","8","5","10","2","1") = "9"
    & skf18("9","1","8","5","10","3","1") = "9"
    & skf18("9","1","8","5","10","4","1") = "9"
    & skf18("9","1","8","5","10","5","1") = "9"
    & skf18("9","1","8","5","10","6","1") = "9"
    & skf18("9","1","8","5","10","7","1") = "9"
    & skf18("9","1","8","5","10","8","1") = "9"
    & skf18("9","1","8","5","10","9","1") = "9"
    & skf18("9","1","8","5","10","10","1") = "9"
    & skf18("9","1","8","6","1","1","1") = "8"
    & skf18("9","1","8","6","1","2","1") = "8"
    & skf18("9","1","8","6","1","3","1") = "8"
    & skf18("9","1","8","6","1","4","1") = "8"
    & skf18("9","1","8","6","1","5","1") = "8"
    & skf18("9","1","8","6","1","6","1") = "8"
    & skf18("9","1","8","6","1","7","1") = "8"
    & skf18("9","1","8","6","1","8","1") = "8"
    & skf18("9","1","8","6","1","9","1") = "8"
    & skf18("9","1","8","6","1","10","1") = "9"
    & skf18("9","1","8","6","2","1","1") = "8"
    & skf18("9","1","8","6","2","2","1") = "8"
    & skf18("9","1","8","6","2","3","1") = "8"
    & skf18("9","1","8","6","2","4","1") = "8"
    & skf18("9","1","8","6","2","5","1") = "8"
    & skf18("9","1","8","6","2","6","1") = "8"
    & skf18("9","1","8","6","2","7","1") = "8"
    & skf18("9","1","8","6","2","8","1") = "8"
    & skf18("9","1","8","6","2","9","1") = "8"
    & skf18("9","1","8","6","2","10","1") = "9"
    & skf18("9","1","8","6","3","1","1") = "8"
    & skf18("9","1","8","6","3","2","1") = "8"
    & skf18("9","1","8","6","3","3","1") = "8"
    & skf18("9","1","8","6","3","4","1") = "8"
    & skf18("9","1","8","6","3","5","1") = "8"
    & skf18("9","1","8","6","3","6","1") = "8"
    & skf18("9","1","8","6","3","7","1") = "8"
    & skf18("9","1","8","6","3","8","1") = "8"
    & skf18("9","1","8","6","3","9","1") = "8"
    & skf18("9","1","8","6","3","10","1") = "9"
    & skf18("9","1","8","6","4","1","1") = "8"
    & skf18("9","1","8","6","4","2","1") = "8"
    & skf18("9","1","8","6","4","3","1") = "8"
    & skf18("9","1","8","6","4","4","1") = "8"
    & skf18("9","1","8","6","4","5","1") = "8"
    & skf18("9","1","8","6","4","6","1") = "8"
    & skf18("9","1","8","6","4","7","1") = "8"
    & skf18("9","1","8","6","4","8","1") = "8"
    & skf18("9","1","8","6","4","9","1") = "8"
    & skf18("9","1","8","6","4","10","1") = "9"
    & skf18("9","1","8","6","5","1","1") = "8"
    & skf18("9","1","8","6","5","2","1") = "8"
    & skf18("9","1","8","6","5","3","1") = "8"
    & skf18("9","1","8","6","5","4","1") = "8"
    & skf18("9","1","8","6","5","5","1") = "8"
    & skf18("9","1","8","6","5","6","1") = "8"
    & skf18("9","1","8","6","5","7","1") = "8"
    & skf18("9","1","8","6","5","8","1") = "8"
    & skf18("9","1","8","6","5","9","1") = "8"
    & skf18("9","1","8","6","5","10","1") = "9"
    & skf18("9","1","8","6","6","1","1") = "8"
    & skf18("9","1","8","6","6","2","1") = "8"
    & skf18("9","1","8","6","6","3","1") = "8"
    & skf18("9","1","8","6","6","4","1") = "8"
    & skf18("9","1","8","6","6","5","1") = "8"
    & skf18("9","1","8","6","6","6","1") = "8"
    & skf18("9","1","8","6","6","7","1") = "8"
    & skf18("9","1","8","6","6","8","1") = "8"
    & skf18("9","1","8","6","6","9","1") = "8"
    & skf18("9","1","8","6","6","10","1") = "9"
    & skf18("9","1","8","6","7","1","1") = "8"
    & skf18("9","1","8","6","7","2","1") = "8"
    & skf18("9","1","8","6","7","3","1") = "8"
    & skf18("9","1","8","6","7","4","1") = "8"
    & skf18("9","1","8","6","7","5","1") = "8"
    & skf18("9","1","8","6","7","6","1") = "8"
    & skf18("9","1","8","6","7","7","1") = "8"
    & skf18("9","1","8","6","7","8","1") = "8"
    & skf18("9","1","8","6","7","9","1") = "8"
    & skf18("9","1","8","6","7","10","1") = "9"
    & skf18("9","1","8","6","8","1","1") = "8"
    & skf18("9","1","8","6","8","2","1") = "8"
    & skf18("9","1","8","6","8","3","1") = "8"
    & skf18("9","1","8","6","8","4","1") = "8"
    & skf18("9","1","8","6","8","5","1") = "8"
    & skf18("9","1","8","6","8","6","1") = "8"
    & skf18("9","1","8","6","8","7","1") = "8"
    & skf18("9","1","8","6","8","8","1") = "8"
    & skf18("9","1","8","6","8","9","1") = "8"
    & skf18("9","1","8","6","8","10","1") = "9"
    & skf18("9","1","8","6","9","1","1") = "8"
    & skf18("9","1","8","6","9","2","1") = "8"
    & skf18("9","1","8","6","9","3","1") = "8"
    & skf18("9","1","8","6","9","4","1") = "8"
    & skf18("9","1","8","6","9","5","1") = "8"
    & skf18("9","1","8","6","9","6","1") = "8"
    & skf18("9","1","8","6","9","7","1") = "8"
    & skf18("9","1","8","6","9","8","1") = "8"
    & skf18("9","1","8","6","9","9","1") = "8"
    & skf18("9","1","8","6","9","10","1") = "9"
    & skf18("9","1","8","6","10","1","1") = "9"
    & skf18("9","1","8","6","10","2","1") = "9"
    & skf18("9","1","8","6","10","3","1") = "9"
    & skf18("9","1","8","6","10","4","1") = "9"
    & skf18("9","1","8","6","10","5","1") = "9"
    & skf18("9","1","8","6","10","6","1") = "9"
    & skf18("9","1","8","6","10","7","1") = "9"
    & skf18("9","1","8","6","10","8","1") = "9"
    & skf18("9","1","8","6","10","9","1") = "9"
    & skf18("9","1","8","6","10","10","1") = "9"
    & skf18("9","1","8","7","1","1","1") = "8"
    & skf18("9","1","8","7","1","2","1") = "8"
    & skf18("9","1","8","7","1","3","1") = "8"
    & skf18("9","1","8","7","1","4","1") = "8"
    & skf18("9","1","8","7","1","5","1") = "8"
    & skf18("9","1","8","7","1","6","1") = "8"
    & skf18("9","1","8","7","1","7","1") = "8"
    & skf18("9","1","8","7","1","8","1") = "8"
    & skf18("9","1","8","7","1","9","1") = "8"
    & skf18("9","1","8","7","1","10","1") = "9"
    & skf18("9","1","8","7","2","1","1") = "8"
    & skf18("9","1","8","7","2","2","1") = "8"
    & skf18("9","1","8","7","2","3","1") = "8"
    & skf18("9","1","8","7","2","4","1") = "8"
    & skf18("9","1","8","7","2","5","1") = "8"
    & skf18("9","1","8","7","2","6","1") = "8"
    & skf18("9","1","8","7","2","7","1") = "8"
    & skf18("9","1","8","7","2","8","1") = "8"
    & skf18("9","1","8","7","2","9","1") = "8"
    & skf18("9","1","8","7","2","10","1") = "9"
    & skf18("9","1","8","7","3","1","1") = "8"
    & skf18("9","1","8","7","3","2","1") = "8"
    & skf18("9","1","8","7","3","3","1") = "8"
    & skf18("9","1","8","7","3","4","1") = "8"
    & skf18("9","1","8","7","3","5","1") = "8"
    & skf18("9","1","8","7","3","6","1") = "8"
    & skf18("9","1","8","7","3","7","1") = "8"
    & skf18("9","1","8","7","3","8","1") = "8"
    & skf18("9","1","8","7","3","9","1") = "8"
    & skf18("9","1","8","7","3","10","1") = "9"
    & skf18("9","1","8","7","4","1","1") = "8"
    & skf18("9","1","8","7","4","2","1") = "8"
    & skf18("9","1","8","7","4","3","1") = "8"
    & skf18("9","1","8","7","4","4","1") = "8"
    & skf18("9","1","8","7","4","5","1") = "8"
    & skf18("9","1","8","7","4","6","1") = "8"
    & skf18("9","1","8","7","4","7","1") = "8"
    & skf18("9","1","8","7","4","8","1") = "8"
    & skf18("9","1","8","7","4","9","1") = "8"
    & skf18("9","1","8","7","4","10","1") = "9"
    & skf18("9","1","8","7","5","1","1") = "8"
    & skf18("9","1","8","7","5","2","1") = "8"
    & skf18("9","1","8","7","5","3","1") = "8"
    & skf18("9","1","8","7","5","4","1") = "8"
    & skf18("9","1","8","7","5","5","1") = "8"
    & skf18("9","1","8","7","5","6","1") = "8"
    & skf18("9","1","8","7","5","7","1") = "8"
    & skf18("9","1","8","7","5","8","1") = "8"
    & skf18("9","1","8","7","5","9","1") = "8"
    & skf18("9","1","8","7","5","10","1") = "9"
    & skf18("9","1","8","7","6","1","1") = "8"
    & skf18("9","1","8","7","6","2","1") = "8"
    & skf18("9","1","8","7","6","3","1") = "8"
    & skf18("9","1","8","7","6","4","1") = "8"
    & skf18("9","1","8","7","6","5","1") = "8"
    & skf18("9","1","8","7","6","6","1") = "8"
    & skf18("9","1","8","7","6","7","1") = "8"
    & skf18("9","1","8","7","6","8","1") = "8"
    & skf18("9","1","8","7","6","9","1") = "8"
    & skf18("9","1","8","7","6","10","1") = "9"
    & skf18("9","1","8","7","7","1","1") = "8"
    & skf18("9","1","8","7","7","2","1") = "8"
    & skf18("9","1","8","7","7","3","1") = "8"
    & skf18("9","1","8","7","7","4","1") = "8"
    & skf18("9","1","8","7","7","5","1") = "8"
    & skf18("9","1","8","7","7","6","1") = "8"
    & skf18("9","1","8","7","7","7","1") = "8"
    & skf18("9","1","8","7","7","8","1") = "8"
    & skf18("9","1","8","7","7","9","1") = "8"
    & skf18("9","1","8","7","7","10","1") = "9"
    & skf18("9","1","8","7","8","1","1") = "8"
    & skf18("9","1","8","7","8","2","1") = "8"
    & skf18("9","1","8","7","8","3","1") = "8"
    & skf18("9","1","8","7","8","4","1") = "8"
    & skf18("9","1","8","7","8","5","1") = "8"
    & skf18("9","1","8","7","8","6","1") = "8"
    & skf18("9","1","8","7","8","7","1") = "8"
    & skf18("9","1","8","7","8","8","1") = "8"
    & skf18("9","1","8","7","8","9","1") = "8"
    & skf18("9","1","8","7","8","10","1") = "9"
    & skf18("9","1","8","7","9","1","1") = "8"
    & skf18("9","1","8","7","9","2","1") = "8"
    & skf18("9","1","8","7","9","3","1") = "8"
    & skf18("9","1","8","7","9","4","1") = "8"
    & skf18("9","1","8","7","9","5","1") = "8"
    & skf18("9","1","8","7","9","6","1") = "8"
    & skf18("9","1","8","7","9","7","1") = "8"
    & skf18("9","1","8","7","9","8","1") = "8"
    & skf18("9","1","8","7","9","9","1") = "8"
    & skf18("9","1","8","7","9","10","1") = "9"
    & skf18("9","1","8","7","10","1","1") = "9"
    & skf18("9","1","8","7","10","2","1") = "9"
    & skf18("9","1","8","7","10","3","1") = "9"
    & skf18("9","1","8","7","10","4","1") = "9"
    & skf18("9","1","8","7","10","5","1") = "9"
    & skf18("9","1","8","7","10","6","1") = "9"
    & skf18("9","1","8","7","10","7","1") = "9"
    & skf18("9","1","8","7","10","8","1") = "9"
    & skf18("9","1","8","7","10","9","1") = "9"
    & skf18("9","1","8","7","10","10","1") = "9"
    & skf18("9","1","8","8","1","1","1") = "8"
    & skf18("9","1","8","8","1","2","1") = "8"
    & skf18("9","1","8","8","1","3","1") = "8"
    & skf18("9","1","8","8","1","4","1") = "8"
    & skf18("9","1","8","8","1","5","1") = "8"
    & skf18("9","1","8","8","1","6","1") = "8"
    & skf18("9","1","8","8","1","7","1") = "8"
    & skf18("9","1","8","8","1","8","1") = "8"
    & skf18("9","1","8","8","1","9","1") = "8"
    & skf18("9","1","8","8","1","10","1") = "9"
    & skf18("9","1","8","8","2","1","1") = "8"
    & skf18("9","1","8","8","2","2","1") = "8"
    & skf18("9","1","8","8","2","3","1") = "8"
    & skf18("9","1","8","8","2","4","1") = "8"
    & skf18("9","1","8","8","2","5","1") = "8"
    & skf18("9","1","8","8","2","6","1") = "8"
    & skf18("9","1","8","8","2","7","1") = "8"
    & skf18("9","1","8","8","2","8","1") = "8"
    & skf18("9","1","8","8","2","9","1") = "8"
    & skf18("9","1","8","8","2","10","1") = "9"
    & skf18("9","1","8","8","3","1","1") = "8"
    & skf18("9","1","8","8","3","2","1") = "8"
    & skf18("9","1","8","8","3","3","1") = "8"
    & skf18("9","1","8","8","3","4","1") = "8"
    & skf18("9","1","8","8","3","5","1") = "8"
    & skf18("9","1","8","8","3","6","1") = "8"
    & skf18("9","1","8","8","3","7","1") = "8"
    & skf18("9","1","8","8","3","8","1") = "8"
    & skf18("9","1","8","8","3","9","1") = "8"
    & skf18("9","1","8","8","3","10","1") = "9"
    & skf18("9","1","8","8","4","1","1") = "8"
    & skf18("9","1","8","8","4","2","1") = "8"
    & skf18("9","1","8","8","4","3","1") = "8"
    & skf18("9","1","8","8","4","4","1") = "8"
    & skf18("9","1","8","8","4","5","1") = "8"
    & skf18("9","1","8","8","4","6","1") = "8"
    & skf18("9","1","8","8","4","7","1") = "8"
    & skf18("9","1","8","8","4","8","1") = "8"
    & skf18("9","1","8","8","4","9","1") = "8"
    & skf18("9","1","8","8","4","10","1") = "9"
    & skf18("9","1","8","8","5","1","1") = "8"
    & skf18("9","1","8","8","5","2","1") = "8"
    & skf18("9","1","8","8","5","3","1") = "8"
    & skf18("9","1","8","8","5","4","1") = "8"
    & skf18("9","1","8","8","5","5","1") = "8"
    & skf18("9","1","8","8","5","6","1") = "8"
    & skf18("9","1","8","8","5","7","1") = "8"
    & skf18("9","1","8","8","5","8","1") = "8"
    & skf18("9","1","8","8","5","9","1") = "8"
    & skf18("9","1","8","8","5","10","1") = "9"
    & skf18("9","1","8","8","6","1","1") = "8"
    & skf18("9","1","8","8","6","2","1") = "8"
    & skf18("9","1","8","8","6","3","1") = "8"
    & skf18("9","1","8","8","6","4","1") = "8"
    & skf18("9","1","8","8","6","5","1") = "8"
    & skf18("9","1","8","8","6","6","1") = "8"
    & skf18("9","1","8","8","6","7","1") = "8"
    & skf18("9","1","8","8","6","8","1") = "8"
    & skf18("9","1","8","8","6","9","1") = "8"
    & skf18("9","1","8","8","6","10","1") = "9"
    & skf18("9","1","8","8","7","1","1") = "8"
    & skf18("9","1","8","8","7","2","1") = "8"
    & skf18("9","1","8","8","7","3","1") = "8"
    & skf18("9","1","8","8","7","4","1") = "8"
    & skf18("9","1","8","8","7","5","1") = "8"
    & skf18("9","1","8","8","7","6","1") = "8"
    & skf18("9","1","8","8","7","7","1") = "8"
    & skf18("9","1","8","8","7","8","1") = "8"
    & skf18("9","1","8","8","7","9","1") = "8"
    & skf18("9","1","8","8","7","10","1") = "9"
    & skf18("9","1","8","8","8","1","1") = "8"
    & skf18("9","1","8","8","8","2","1") = "8"
    & skf18("9","1","8","8","8","3","1") = "8"
    & skf18("9","1","8","8","8","4","1") = "8"
    & skf18("9","1","8","8","8","5","1") = "8"
    & skf18("9","1","8","8","8","6","1") = "8"
    & skf18("9","1","8","8","8","7","1") = "8"
    & skf18("9","1","8","8","8","8","1") = "8"
    & skf18("9","1","8","8","8","9","1") = "8"
    & skf18("9","1","8","8","8","10","1") = "9"
    & skf18("9","1","8","8","9","1","1") = "8"
    & skf18("9","1","8","8","9","2","1") = "8"
    & skf18("9","1","8","8","9","3","1") = "8"
    & skf18("9","1","8","8","9","4","1") = "8"
    & skf18("9","1","8","8","9","5","1") = "8"
    & skf18("9","1","8","8","9","6","1") = "8"
    & skf18("9","1","8","8","9","7","1") = "8"
    & skf18("9","1","8","8","9","8","1") = "8"
    & skf18("9","1","8","8","9","9","1") = "8"
    & skf18("9","1","8","8","9","10","1") = "9"
    & skf18("9","1","8","8","10","1","1") = "9"
    & skf18("9","1","8","8","10","2","1") = "9"
    & skf18("9","1","8","8","10","3","1") = "9"
    & skf18("9","1","8","8","10","4","1") = "9"
    & skf18("9","1","8","8","10","5","1") = "9"
    & skf18("9","1","8","8","10","6","1") = "9"
    & skf18("9","1","8","8","10","7","1") = "9"
    & skf18("9","1","8","8","10","8","1") = "9"
    & skf18("9","1","8","8","10","9","1") = "9"
    & skf18("9","1","8","8","10","10","1") = "9"
    & skf18("9","1","8","9","1","1","1") = "8"
    & skf18("9","1","8","9","1","2","1") = "8"
    & skf18("9","1","8","9","1","3","1") = "8"
    & skf18("9","1","8","9","1","4","1") = "8"
    & skf18("9","1","8","9","1","5","1") = "8"
    & skf18("9","1","8","9","1","6","1") = "8"
    & skf18("9","1","8","9","1","7","1") = "8"
    & skf18("9","1","8","9","1","8","1") = "8"
    & skf18("9","1","8","9","1","9","1") = "8"
    & skf18("9","1","8","9","1","10","1") = "9"
    & skf18("9","1","8","9","2","1","1") = "8"
    & skf18("9","1","8","9","2","2","1") = "8"
    & skf18("9","1","8","9","2","3","1") = "8"
    & skf18("9","1","8","9","2","4","1") = "8"
    & skf18("9","1","8","9","2","5","1") = "8"
    & skf18("9","1","8","9","2","6","1") = "8"
    & skf18("9","1","8","9","2","7","1") = "8"
    & skf18("9","1","8","9","2","8","1") = "8"
    & skf18("9","1","8","9","2","9","1") = "8"
    & skf18("9","1","8","9","2","10","1") = "9"
    & skf18("9","1","8","9","3","1","1") = "8"
    & skf18("9","1","8","9","3","2","1") = "8"
    & skf18("9","1","8","9","3","3","1") = "8"
    & skf18("9","1","8","9","3","4","1") = "8"
    & skf18("9","1","8","9","3","5","1") = "8"
    & skf18("9","1","8","9","3","6","1") = "8"
    & skf18("9","1","8","9","3","7","1") = "8"
    & skf18("9","1","8","9","3","8","1") = "8"
    & skf18("9","1","8","9","3","9","1") = "8"
    & skf18("9","1","8","9","3","10","1") = "9"
    & skf18("9","1","8","9","4","1","1") = "8"
    & skf18("9","1","8","9","4","2","1") = "8"
    & skf18("9","1","8","9","4","3","1") = "8"
    & skf18("9","1","8","9","4","4","1") = "8"
    & skf18("9","1","8","9","4","5","1") = "8"
    & skf18("9","1","8","9","4","6","1") = "8"
    & skf18("9","1","8","9","4","7","1") = "8"
    & skf18("9","1","8","9","4","8","1") = "8"
    & skf18("9","1","8","9","4","9","1") = "8"
    & skf18("9","1","8","9","4","10","1") = "9"
    & skf18("9","1","8","9","5","1","1") = "8"
    & skf18("9","1","8","9","5","2","1") = "8"
    & skf18("9","1","8","9","5","3","1") = "8"
    & skf18("9","1","8","9","5","4","1") = "8"
    & skf18("9","1","8","9","5","5","1") = "8"
    & skf18("9","1","8","9","5","6","1") = "8"
    & skf18("9","1","8","9","5","7","1") = "8"
    & skf18("9","1","8","9","5","8","1") = "8"
    & skf18("9","1","8","9","5","9","1") = "8"
    & skf18("9","1","8","9","5","10","1") = "9"
    & skf18("9","1","8","9","6","1","1") = "8"
    & skf18("9","1","8","9","6","2","1") = "8"
    & skf18("9","1","8","9","6","3","1") = "8"
    & skf18("9","1","8","9","6","4","1") = "8"
    & skf18("9","1","8","9","6","5","1") = "8"
    & skf18("9","1","8","9","6","6","1") = "8"
    & skf18("9","1","8","9","6","7","1") = "8"
    & skf18("9","1","8","9","6","8","1") = "8"
    & skf18("9","1","8","9","6","9","1") = "8"
    & skf18("9","1","8","9","6","10","1") = "9"
    & skf18("9","1","8","9","7","1","1") = "8"
    & skf18("9","1","8","9","7","2","1") = "8"
    & skf18("9","1","8","9","7","3","1") = "8"
    & skf18("9","1","8","9","7","4","1") = "8"
    & skf18("9","1","8","9","7","5","1") = "8"
    & skf18("9","1","8","9","7","6","1") = "8"
    & skf18("9","1","8","9","7","7","1") = "8"
    & skf18("9","1","8","9","7","8","1") = "8"
    & skf18("9","1","8","9","7","9","1") = "8"
    & skf18("9","1","8","9","7","10","1") = "9"
    & skf18("9","1","8","9","8","1","1") = "8"
    & skf18("9","1","8","9","8","2","1") = "8"
    & skf18("9","1","8","9","8","3","1") = "8"
    & skf18("9","1","8","9","8","4","1") = "8"
    & skf18("9","1","8","9","8","5","1") = "8"
    & skf18("9","1","8","9","8","6","1") = "8"
    & skf18("9","1","8","9","8","7","1") = "8"
    & skf18("9","1","8","9","8","8","1") = "8"
    & skf18("9","1","8","9","8","9","1") = "8"
    & skf18("9","1","8","9","8","10","1") = "9"
    & skf18("9","1","8","9","9","1","1") = "8"
    & skf18("9","1","8","9","9","2","1") = "8"
    & skf18("9","1","8","9","9","3","1") = "8"
    & skf18("9","1","8","9","9","4","1") = "8"
    & skf18("9","1","8","9","9","5","1") = "8"
    & skf18("9","1","8","9","9","6","1") = "8"
    & skf18("9","1","8","9","9","7","1") = "8"
    & skf18("9","1","8","9","9","8","1") = "8"
    & skf18("9","1","8","9","9","9","1") = "8"
    & skf18("9","1","8","9","9","10","1") = "9"
    & skf18("9","1","8","9","10","1","1") = "9"
    & skf18("9","1","8","9","10","2","1") = "9"
    & skf18("9","1","8","9","10","3","1") = "9"
    & skf18("9","1","8","9","10","4","1") = "9"
    & skf18("9","1","8","9","10","5","1") = "9"
    & skf18("9","1","8","9","10","6","1") = "9"
    & skf18("9","1","8","9","10","7","1") = "9"
    & skf18("9","1","8","9","10","8","1") = "9"
    & skf18("9","1","8","9","10","9","1") = "9"
    & skf18("9","1","8","9","10","10","1") = "9"
    & skf18("9","1","8","10","1","1","1") = "9"
    & skf18("9","1","8","10","1","2","1") = "9"
    & skf18("9","1","8","10","1","3","1") = "9"
    & skf18("9","1","8","10","1","4","1") = "9"
    & skf18("9","1","8","10","1","5","1") = "9"
    & skf18("9","1","8","10","1","6","1") = "9"
    & skf18("9","1","8","10","1","7","1") = "9"
    & skf18("9","1","8","10","1","8","1") = "9"
    & skf18("9","1","8","10","1","9","1") = "9"
    & skf18("9","1","8","10","1","10","1") = "9"
    & skf18("9","1","8","10","2","1","1") = "9"
    & skf18("9","1","8","10","2","2","1") = "9"
    & skf18("9","1","8","10","2","3","1") = "9"
    & skf18("9","1","8","10","2","4","1") = "9"
    & skf18("9","1","8","10","2","5","1") = "9"
    & skf18("9","1","8","10","2","6","1") = "9"
    & skf18("9","1","8","10","2","7","1") = "9"
    & skf18("9","1","8","10","2","8","1") = "9"
    & skf18("9","1","8","10","2","9","1") = "9"
    & skf18("9","1","8","10","2","10","1") = "9"
    & skf18("9","1","8","10","3","1","1") = "9"
    & skf18("9","1","8","10","3","2","1") = "9"
    & skf18("9","1","8","10","3","3","1") = "9"
    & skf18("9","1","8","10","3","4","1") = "9"
    & skf18("9","1","8","10","3","5","1") = "9"
    & skf18("9","1","8","10","3","6","1") = "9"
    & skf18("9","1","8","10","3","7","1") = "9"
    & skf18("9","1","8","10","3","8","1") = "9"
    & skf18("9","1","8","10","3","9","1") = "9"
    & skf18("9","1","8","10","3","10","1") = "9"
    & skf18("9","1","8","10","4","1","1") = "9"
    & skf18("9","1","8","10","4","2","1") = "9"
    & skf18("9","1","8","10","4","3","1") = "9"
    & skf18("9","1","8","10","4","4","1") = "9"
    & skf18("9","1","8","10","4","5","1") = "9"
    & skf18("9","1","8","10","4","6","1") = "9"
    & skf18("9","1","8","10","4","7","1") = "9"
    & skf18("9","1","8","10","4","8","1") = "9"
    & skf18("9","1","8","10","4","9","1") = "9"
    & skf18("9","1","8","10","4","10","1") = "9"
    & skf18("9","1","8","10","5","1","1") = "9"
    & skf18("9","1","8","10","5","2","1") = "9"
    & skf18("9","1","8","10","5","3","1") = "9"
    & skf18("9","1","8","10","5","4","1") = "9"
    & skf18("9","1","8","10","5","5","1") = "9"
    & skf18("9","1","8","10","5","6","1") = "9"
    & skf18("9","1","8","10","5","7","1") = "9"
    & skf18("9","1","8","10","5","8","1") = "9"
    & skf18("9","1","8","10","5","9","1") = "9"
    & skf18("9","1","8","10","5","10","1") = "9"
    & skf18("9","1","8","10","6","1","1") = "9"
    & skf18("9","1","8","10","6","2","1") = "9"
    & skf18("9","1","8","10","6","3","1") = "9"
    & skf18("9","1","8","10","6","4","1") = "9"
    & skf18("9","1","8","10","6","5","1") = "9"
    & skf18("9","1","8","10","6","6","1") = "9"
    & skf18("9","1","8","10","6","7","1") = "9"
    & skf18("9","1","8","10","6","8","1") = "9"
    & skf18("9","1","8","10","6","9","1") = "9"
    & skf18("9","1","8","10","6","10","1") = "9"
    & skf18("9","1","8","10","7","1","1") = "9"
    & skf18("9","1","8","10","7","2","1") = "9"
    & skf18("9","1","8","10","7","3","1") = "9"
    & skf18("9","1","8","10","7","4","1") = "9"
    & skf18("9","1","8","10","7","5","1") = "9"
    & skf18("9","1","8","10","7","6","1") = "9"
    & skf18("9","1","8","10","7","7","1") = "9"
    & skf18("9","1","8","10","7","8","1") = "9"
    & skf18("9","1","8","10","7","9","1") = "9"
    & skf18("9","1","8","10","7","10","1") = "9"
    & skf18("9","1","8","10","8","1","1") = "9"
    & skf18("9","1","8","10","8","2","1") = "9"
    & skf18("9","1","8","10","8","3","1") = "9"
    & skf18("9","1","8","10","8","4","1") = "9"
    & skf18("9","1","8","10","8","5","1") = "9"
    & skf18("9","1","8","10","8","6","1") = "9"
    & skf18("9","1","8","10","8","7","1") = "9"
    & skf18("9","1","8","10","8","8","1") = "9"
    & skf18("9","1","8","10","8","9","1") = "9"
    & skf18("9","1","8","10","8","10","1") = "9"
    & skf18("9","1","8","10","9","1","1") = "9"
    & skf18("9","1","8","10","9","2","1") = "9"
    & skf18("9","1","8","10","9","3","1") = "9"
    & skf18("9","1","8","10","9","4","1") = "9"
    & skf18("9","1","8","10","9","5","1") = "9"
    & skf18("9","1","8","10","9","6","1") = "9"
    & skf18("9","1","8","10","9","7","1") = "9"
    & skf18("9","1","8","10","9","8","1") = "9"
    & skf18("9","1","8","10","9","9","1") = "9"
    & skf18("9","1","8","10","9","10","1") = "9"
    & skf18("9","1","8","10","10","1","1") = "9"
    & skf18("9","1","8","10","10","2","1") = "9"
    & skf18("9","1","8","10","10","3","1") = "9"
    & skf18("9","1","8","10","10","4","1") = "9"
    & skf18("9","1","8","10","10","5","1") = "9"
    & skf18("9","1","8","10","10","6","1") = "9"
    & skf18("9","1","8","10","10","7","1") = "9"
    & skf18("9","1","8","10","10","8","1") = "9"
    & skf18("9","1","8","10","10","9","1") = "9"
    & skf18("9","1","8","10","10","10","1") = "9"
    & skf18("9","1","9","1","1","1","1") = "8"
    & skf18("9","1","9","1","1","2","1") = "8"
    & skf18("9","1","9","1","1","3","1") = "8"
    & skf18("9","1","9","1","1","4","1") = "8"
    & skf18("9","1","9","1","1","5","1") = "8"
    & skf18("9","1","9","1","1","6","1") = "8"
    & skf18("9","1","9","1","1","7","1") = "8"
    & skf18("9","1","9","1","1","8","1") = "8"
    & skf18("9","1","9","1","1","9","1") = "8"
    & skf18("9","1","9","1","1","10","1") = "9"
    & skf18("9","1","9","1","2","1","1") = "8"
    & skf18("9","1","9","1","2","2","1") = "8"
    & skf18("9","1","9","1","2","3","1") = "8"
    & skf18("9","1","9","1","2","4","1") = "8"
    & skf18("9","1","9","1","2","5","1") = "8"
    & skf18("9","1","9","1","2","6","1") = "8"
    & skf18("9","1","9","1","2","7","1") = "8"
    & skf18("9","1","9","1","2","8","1") = "8"
    & skf18("9","1","9","1","2","9","1") = "8"
    & skf18("9","1","9","1","2","10","1") = "9"
    & skf18("9","1","9","1","3","1","1") = "8"
    & skf18("9","1","9","1","3","2","1") = "8"
    & skf18("9","1","9","1","3","3","1") = "8"
    & skf18("9","1","9","1","3","4","1") = "8"
    & skf18("9","1","9","1","3","5","1") = "8"
    & skf18("9","1","9","1","3","6","1") = "8"
    & skf18("9","1","9","1","3","7","1") = "8"
    & skf18("9","1","9","1","3","8","1") = "8"
    & skf18("9","1","9","1","3","9","1") = "8"
    & skf18("9","1","9","1","3","10","1") = "9"
    & skf18("9","1","9","1","4","1","1") = "8"
    & skf18("9","1","9","1","4","2","1") = "8"
    & skf18("9","1","9","1","4","3","1") = "8"
    & skf18("9","1","9","1","4","4","1") = "8"
    & skf18("9","1","9","1","4","5","1") = "8"
    & skf18("9","1","9","1","4","6","1") = "8"
    & skf18("9","1","9","1","4","7","1") = "8"
    & skf18("9","1","9","1","4","8","1") = "8"
    & skf18("9","1","9","1","4","9","1") = "8"
    & skf18("9","1","9","1","4","10","1") = "9"
    & skf18("9","1","9","1","5","1","1") = "8"
    & skf18("9","1","9","1","5","2","1") = "8"
    & skf18("9","1","9","1","5","3","1") = "8"
    & skf18("9","1","9","1","5","4","1") = "8"
    & skf18("9","1","9","1","5","5","1") = "8"
    & skf18("9","1","9","1","5","6","1") = "8"
    & skf18("9","1","9","1","5","7","1") = "8"
    & skf18("9","1","9","1","5","8","1") = "8"
    & skf18("9","1","9","1","5","9","1") = "8"
    & skf18("9","1","9","1","5","10","1") = "9"
    & skf18("9","1","9","1","6","1","1") = "8"
    & skf18("9","1","9","1","6","2","1") = "8"
    & skf18("9","1","9","1","6","3","1") = "8"
    & skf18("9","1","9","1","6","4","1") = "8"
    & skf18("9","1","9","1","6","5","1") = "8"
    & skf18("9","1","9","1","6","6","1") = "8"
    & skf18("9","1","9","1","6","7","1") = "8"
    & skf18("9","1","9","1","6","8","1") = "8"
    & skf18("9","1","9","1","6","9","1") = "8"
    & skf18("9","1","9","1","6","10","1") = "9"
    & skf18("9","1","9","1","7","1","1") = "8"
    & skf18("9","1","9","1","7","2","1") = "8"
    & skf18("9","1","9","1","7","3","1") = "8"
    & skf18("9","1","9","1","7","4","1") = "8"
    & skf18("9","1","9","1","7","5","1") = "8"
    & skf18("9","1","9","1","7","6","1") = "8"
    & skf18("9","1","9","1","7","7","1") = "8"
    & skf18("9","1","9","1","7","8","1") = "8"
    & skf18("9","1","9","1","7","9","1") = "8"
    & skf18("9","1","9","1","7","10","1") = "9"
    & skf18("9","1","9","1","8","1","1") = "8"
    & skf18("9","1","9","1","8","2","1") = "8"
    & skf18("9","1","9","1","8","3","1") = "8"
    & skf18("9","1","9","1","8","4","1") = "8"
    & skf18("9","1","9","1","8","5","1") = "8"
    & skf18("9","1","9","1","8","6","1") = "8"
    & skf18("9","1","9","1","8","7","1") = "8"
    & skf18("9","1","9","1","8","8","1") = "8"
    & skf18("9","1","9","1","8","9","1") = "8"
    & skf18("9","1","9","1","8","10","1") = "9"
    & skf18("9","1","9","1","9","1","1") = "8"
    & skf18("9","1","9","1","9","2","1") = "8"
    & skf18("9","1","9","1","9","3","1") = "8"
    & skf18("9","1","9","1","9","4","1") = "8"
    & skf18("9","1","9","1","9","5","1") = "8"
    & skf18("9","1","9","1","9","6","1") = "8"
    & skf18("9","1","9","1","9","7","1") = "8"
    & skf18("9","1","9","1","9","8","1") = "8"
    & skf18("9","1","9","1","9","9","1") = "8"
    & skf18("9","1","9","1","9","10","1") = "9"
    & skf18("9","1","9","1","10","1","1") = "9"
    & skf18("9","1","9","1","10","2","1") = "9"
    & skf18("9","1","9","1","10","3","1") = "9"
    & skf18("9","1","9","1","10","4","1") = "9"
    & skf18("9","1","9","1","10","5","1") = "9"
    & skf18("9","1","9","1","10","6","1") = "9"
    & skf18("9","1","9","1","10","7","1") = "9"
    & skf18("9","1","9","1","10","8","1") = "9"
    & skf18("9","1","9","1","10","9","1") = "9"
    & skf18("9","1","9","1","10","10","1") = "9"
    & skf18("9","1","9","2","1","1","1") = "8"
    & skf18("9","1","9","2","1","2","1") = "8"
    & skf18("9","1","9","2","1","3","1") = "8"
    & skf18("9","1","9","2","1","4","1") = "8"
    & skf18("9","1","9","2","1","5","1") = "8"
    & skf18("9","1","9","2","1","6","1") = "8"
    & skf18("9","1","9","2","1","7","1") = "8"
    & skf18("9","1","9","2","1","8","1") = "8"
    & skf18("9","1","9","2","1","9","1") = "8"
    & skf18("9","1","9","2","1","10","1") = "9"
    & skf18("9","1","9","2","2","1","1") = "8"
    & skf18("9","1","9","2","2","2","1") = "8"
    & skf18("9","1","9","2","2","3","1") = "8"
    & skf18("9","1","9","2","2","4","1") = "8"
    & skf18("9","1","9","2","2","5","1") = "8"
    & skf18("9","1","9","2","2","6","1") = "8"
    & skf18("9","1","9","2","2","7","1") = "8"
    & skf18("9","1","9","2","2","8","1") = "8"
    & skf18("9","1","9","2","2","9","1") = "8"
    & skf18("9","1","9","2","2","10","1") = "9"
    & skf18("9","1","9","2","3","1","1") = "8"
    & skf18("9","1","9","2","3","2","1") = "8"
    & skf18("9","1","9","2","3","3","1") = "8"
    & skf18("9","1","9","2","3","4","1") = "8"
    & skf18("9","1","9","2","3","5","1") = "8"
    & skf18("9","1","9","2","3","6","1") = "8"
    & skf18("9","1","9","2","3","7","1") = "8"
    & skf18("9","1","9","2","3","8","1") = "8"
    & skf18("9","1","9","2","3","9","1") = "8"
    & skf18("9","1","9","2","3","10","1") = "9"
    & skf18("9","1","9","2","4","1","1") = "8"
    & skf18("9","1","9","2","4","2","1") = "8"
    & skf18("9","1","9","2","4","3","1") = "8"
    & skf18("9","1","9","2","4","4","1") = "8"
    & skf18("9","1","9","2","4","5","1") = "8"
    & skf18("9","1","9","2","4","6","1") = "8"
    & skf18("9","1","9","2","4","7","1") = "8"
    & skf18("9","1","9","2","4","8","1") = "8"
    & skf18("9","1","9","2","4","9","1") = "8"
    & skf18("9","1","9","2","4","10","1") = "9"
    & skf18("9","1","9","2","5","1","1") = "8"
    & skf18("9","1","9","2","5","2","1") = "8"
    & skf18("9","1","9","2","5","3","1") = "8"
    & skf18("9","1","9","2","5","4","1") = "8"
    & skf18("9","1","9","2","5","5","1") = "8"
    & skf18("9","1","9","2","5","6","1") = "8"
    & skf18("9","1","9","2","5","7","1") = "8"
    & skf18("9","1","9","2","5","8","1") = "8"
    & skf18("9","1","9","2","5","9","1") = "8"
    & skf18("9","1","9","2","5","10","1") = "9"
    & skf18("9","1","9","2","6","1","1") = "8"
    & skf18("9","1","9","2","6","2","1") = "8"
    & skf18("9","1","9","2","6","3","1") = "8"
    & skf18("9","1","9","2","6","4","1") = "8"
    & skf18("9","1","9","2","6","5","1") = "8"
    & skf18("9","1","9","2","6","6","1") = "8"
    & skf18("9","1","9","2","6","7","1") = "8"
    & skf18("9","1","9","2","6","8","1") = "8"
    & skf18("9","1","9","2","6","9","1") = "8"
    & skf18("9","1","9","2","6","10","1") = "9"
    & skf18("9","1","9","2","7","1","1") = "8"
    & skf18("9","1","9","2","7","2","1") = "8"
    & skf18("9","1","9","2","7","3","1") = "8"
    & skf18("9","1","9","2","7","4","1") = "8"
    & skf18("9","1","9","2","7","5","1") = "8"
    & skf18("9","1","9","2","7","6","1") = "8"
    & skf18("9","1","9","2","7","7","1") = "8"
    & skf18("9","1","9","2","7","8","1") = "8"
    & skf18("9","1","9","2","7","9","1") = "8"
    & skf18("9","1","9","2","7","10","1") = "9"
    & skf18("9","1","9","2","8","1","1") = "8"
    & skf18("9","1","9","2","8","2","1") = "8"
    & skf18("9","1","9","2","8","3","1") = "8"
    & skf18("9","1","9","2","8","4","1") = "8"
    & skf18("9","1","9","2","8","5","1") = "8"
    & skf18("9","1","9","2","8","6","1") = "8"
    & skf18("9","1","9","2","8","7","1") = "8"
    & skf18("9","1","9","2","8","8","1") = "8"
    & skf18("9","1","9","2","8","9","1") = "8"
    & skf18("9","1","9","2","8","10","1") = "9"
    & skf18("9","1","9","2","9","1","1") = "8"
    & skf18("9","1","9","2","9","2","1") = "8"
    & skf18("9","1","9","2","9","3","1") = "8"
    & skf18("9","1","9","2","9","4","1") = "8"
    & skf18("9","1","9","2","9","5","1") = "8"
    & skf18("9","1","9","2","9","6","1") = "8"
    & skf18("9","1","9","2","9","7","1") = "8"
    & skf18("9","1","9","2","9","8","1") = "8"
    & skf18("9","1","9","2","9","9","1") = "8"
    & skf18("9","1","9","2","9","10","1") = "9"
    & skf18("9","1","9","2","10","1","1") = "9"
    & skf18("9","1","9","2","10","2","1") = "9"
    & skf18("9","1","9","2","10","3","1") = "9"
    & skf18("9","1","9","2","10","4","1") = "9"
    & skf18("9","1","9","2","10","5","1") = "9"
    & skf18("9","1","9","2","10","6","1") = "9"
    & skf18("9","1","9","2","10","7","1") = "9"
    & skf18("9","1","9","2","10","8","1") = "9"
    & skf18("9","1","9","2","10","9","1") = "9"
    & skf18("9","1","9","2","10","10","1") = "9"
    & skf18("9","1","9","3","1","1","1") = "8"
    & skf18("9","1","9","3","1","2","1") = "8"
    & skf18("9","1","9","3","1","3","1") = "8"
    & skf18("9","1","9","3","1","4","1") = "8"
    & skf18("9","1","9","3","1","5","1") = "8"
    & skf18("9","1","9","3","1","6","1") = "8"
    & skf18("9","1","9","3","1","7","1") = "8"
    & skf18("9","1","9","3","1","8","1") = "8"
    & skf18("9","1","9","3","1","9","1") = "8"
    & skf18("9","1","9","3","1","10","1") = "9"
    & skf18("9","1","9","3","2","1","1") = "8"
    & skf18("9","1","9","3","2","2","1") = "8"
    & skf18("9","1","9","3","2","3","1") = "8"
    & skf18("9","1","9","3","2","4","1") = "8"
    & skf18("9","1","9","3","2","5","1") = "8"
    & skf18("9","1","9","3","2","6","1") = "8"
    & skf18("9","1","9","3","2","7","1") = "8"
    & skf18("9","1","9","3","2","8","1") = "8"
    & skf18("9","1","9","3","2","9","1") = "8"
    & skf18("9","1","9","3","2","10","1") = "9"
    & skf18("9","1","9","3","3","1","1") = "8"
    & skf18("9","1","9","3","3","2","1") = "8"
    & skf18("9","1","9","3","3","3","1") = "8"
    & skf18("9","1","9","3","3","4","1") = "8"
    & skf18("9","1","9","3","3","5","1") = "8"
    & skf18("9","1","9","3","3","6","1") = "8"
    & skf18("9","1","9","3","3","7","1") = "8"
    & skf18("9","1","9","3","3","8","1") = "8"
    & skf18("9","1","9","3","3","9","1") = "8"
    & skf18("9","1","9","3","3","10","1") = "9"
    & skf18("9","1","9","3","4","1","1") = "8"
    & skf18("9","1","9","3","4","2","1") = "8"
    & skf18("9","1","9","3","4","3","1") = "8"
    & skf18("9","1","9","3","4","4","1") = "8"
    & skf18("9","1","9","3","4","5","1") = "8"
    & skf18("9","1","9","3","4","6","1") = "8"
    & skf18("9","1","9","3","4","7","1") = "8"
    & skf18("9","1","9","3","4","8","1") = "8"
    & skf18("9","1","9","3","4","9","1") = "8"
    & skf18("9","1","9","3","4","10","1") = "9"
    & skf18("9","1","9","3","5","1","1") = "8"
    & skf18("9","1","9","3","5","2","1") = "8"
    & skf18("9","1","9","3","5","3","1") = "8"
    & skf18("9","1","9","3","5","4","1") = "8"
    & skf18("9","1","9","3","5","5","1") = "8"
    & skf18("9","1","9","3","5","6","1") = "8"
    & skf18("9","1","9","3","5","7","1") = "8"
    & skf18("9","1","9","3","5","8","1") = "8"
    & skf18("9","1","9","3","5","9","1") = "8"
    & skf18("9","1","9","3","5","10","1") = "9"
    & skf18("9","1","9","3","6","1","1") = "8"
    & skf18("9","1","9","3","6","2","1") = "8"
    & skf18("9","1","9","3","6","3","1") = "8"
    & skf18("9","1","9","3","6","4","1") = "8"
    & skf18("9","1","9","3","6","5","1") = "8"
    & skf18("9","1","9","3","6","6","1") = "8"
    & skf18("9","1","9","3","6","7","1") = "8"
    & skf18("9","1","9","3","6","8","1") = "8"
    & skf18("9","1","9","3","6","9","1") = "8"
    & skf18("9","1","9","3","6","10","1") = "9"
    & skf18("9","1","9","3","7","1","1") = "8"
    & skf18("9","1","9","3","7","2","1") = "8"
    & skf18("9","1","9","3","7","3","1") = "8"
    & skf18("9","1","9","3","7","4","1") = "8"
    & skf18("9","1","9","3","7","5","1") = "8"
    & skf18("9","1","9","3","7","6","1") = "8"
    & skf18("9","1","9","3","7","7","1") = "8"
    & skf18("9","1","9","3","7","8","1") = "8"
    & skf18("9","1","9","3","7","9","1") = "8"
    & skf18("9","1","9","3","7","10","1") = "9"
    & skf18("9","1","9","3","8","1","1") = "8"
    & skf18("9","1","9","3","8","2","1") = "8"
    & skf18("9","1","9","3","8","3","1") = "8"
    & skf18("9","1","9","3","8","4","1") = "8"
    & skf18("9","1","9","3","8","5","1") = "8"
    & skf18("9","1","9","3","8","6","1") = "8"
    & skf18("9","1","9","3","8","7","1") = "8"
    & skf18("9","1","9","3","8","8","1") = "8"
    & skf18("9","1","9","3","8","9","1") = "8"
    & skf18("9","1","9","3","8","10","1") = "9"
    & skf18("9","1","9","3","9","1","1") = "8"
    & skf18("9","1","9","3","9","2","1") = "8"
    & skf18("9","1","9","3","9","3","1") = "8"
    & skf18("9","1","9","3","9","4","1") = "8"
    & skf18("9","1","9","3","9","5","1") = "8"
    & skf18("9","1","9","3","9","6","1") = "8"
    & skf18("9","1","9","3","9","7","1") = "8"
    & skf18("9","1","9","3","9","8","1") = "8"
    & skf18("9","1","9","3","9","9","1") = "8"
    & skf18("9","1","9","3","9","10","1") = "9"
    & skf18("9","1","9","3","10","1","1") = "9"
    & skf18("9","1","9","3","10","2","1") = "9"
    & skf18("9","1","9","3","10","3","1") = "9"
    & skf18("9","1","9","3","10","4","1") = "9"
    & skf18("9","1","9","3","10","5","1") = "9"
    & skf18("9","1","9","3","10","6","1") = "9"
    & skf18("9","1","9","3","10","7","1") = "9"
    & skf18("9","1","9","3","10","8","1") = "9"
    & skf18("9","1","9","3","10","9","1") = "9"
    & skf18("9","1","9","3","10","10","1") = "9"
    & skf18("9","1","9","4","1","1","1") = "8"
    & skf18("9","1","9","4","1","2","1") = "8"
    & skf18("9","1","9","4","1","3","1") = "8"
    & skf18("9","1","9","4","1","4","1") = "8"
    & skf18("9","1","9","4","1","5","1") = "8"
    & skf18("9","1","9","4","1","6","1") = "8"
    & skf18("9","1","9","4","1","7","1") = "8"
    & skf18("9","1","9","4","1","8","1") = "8"
    & skf18("9","1","9","4","1","9","1") = "8"
    & skf18("9","1","9","4","1","10","1") = "9"
    & skf18("9","1","9","4","2","1","1") = "8"
    & skf18("9","1","9","4","2","2","1") = "8"
    & skf18("9","1","9","4","2","3","1") = "8"
    & skf18("9","1","9","4","2","4","1") = "8"
    & skf18("9","1","9","4","2","5","1") = "8"
    & skf18("9","1","9","4","2","6","1") = "8"
    & skf18("9","1","9","4","2","7","1") = "8"
    & skf18("9","1","9","4","2","8","1") = "8"
    & skf18("9","1","9","4","2","9","1") = "8"
    & skf18("9","1","9","4","2","10","1") = "9"
    & skf18("9","1","9","4","3","1","1") = "8"
    & skf18("9","1","9","4","3","2","1") = "8"
    & skf18("9","1","9","4","3","3","1") = "8"
    & skf18("9","1","9","4","3","4","1") = "8"
    & skf18("9","1","9","4","3","5","1") = "8"
    & skf18("9","1","9","4","3","6","1") = "8"
    & skf18("9","1","9","4","3","7","1") = "8"
    & skf18("9","1","9","4","3","8","1") = "8"
    & skf18("9","1","9","4","3","9","1") = "8"
    & skf18("9","1","9","4","3","10","1") = "9"
    & skf18("9","1","9","4","4","1","1") = "8"
    & skf18("9","1","9","4","4","2","1") = "8"
    & skf18("9","1","9","4","4","3","1") = "8"
    & skf18("9","1","9","4","4","4","1") = "8"
    & skf18("9","1","9","4","4","5","1") = "8"
    & skf18("9","1","9","4","4","6","1") = "8"
    & skf18("9","1","9","4","4","7","1") = "8"
    & skf18("9","1","9","4","4","8","1") = "8"
    & skf18("9","1","9","4","4","9","1") = "8"
    & skf18("9","1","9","4","4","10","1") = "9"
    & skf18("9","1","9","4","5","1","1") = "8"
    & skf18("9","1","9","4","5","2","1") = "8"
    & skf18("9","1","9","4","5","3","1") = "8"
    & skf18("9","1","9","4","5","4","1") = "8"
    & skf18("9","1","9","4","5","5","1") = "8"
    & skf18("9","1","9","4","5","6","1") = "8"
    & skf18("9","1","9","4","5","7","1") = "8"
    & skf18("9","1","9","4","5","8","1") = "8"
    & skf18("9","1","9","4","5","9","1") = "8"
    & skf18("9","1","9","4","5","10","1") = "9"
    & skf18("9","1","9","4","6","1","1") = "8"
    & skf18("9","1","9","4","6","2","1") = "8"
    & skf18("9","1","9","4","6","3","1") = "8"
    & skf18("9","1","9","4","6","4","1") = "8"
    & skf18("9","1","9","4","6","5","1") = "8"
    & skf18("9","1","9","4","6","6","1") = "8"
    & skf18("9","1","9","4","6","7","1") = "8"
    & skf18("9","1","9","4","6","8","1") = "8"
    & skf18("9","1","9","4","6","9","1") = "8"
    & skf18("9","1","9","4","6","10","1") = "9"
    & skf18("9","1","9","4","7","1","1") = "8"
    & skf18("9","1","9","4","7","2","1") = "8"
    & skf18("9","1","9","4","7","3","1") = "8"
    & skf18("9","1","9","4","7","4","1") = "8"
    & skf18("9","1","9","4","7","5","1") = "8"
    & skf18("9","1","9","4","7","6","1") = "8"
    & skf18("9","1","9","4","7","7","1") = "8"
    & skf18("9","1","9","4","7","8","1") = "8"
    & skf18("9","1","9","4","7","9","1") = "8"
    & skf18("9","1","9","4","7","10","1") = "9"
    & skf18("9","1","9","4","8","1","1") = "8"
    & skf18("9","1","9","4","8","2","1") = "8"
    & skf18("9","1","9","4","8","3","1") = "8"
    & skf18("9","1","9","4","8","4","1") = "8"
    & skf18("9","1","9","4","8","5","1") = "8"
    & skf18("9","1","9","4","8","6","1") = "8"
    & skf18("9","1","9","4","8","7","1") = "8"
    & skf18("9","1","9","4","8","8","1") = "8"
    & skf18("9","1","9","4","8","9","1") = "8"
    & skf18("9","1","9","4","8","10","1") = "9"
    & skf18("9","1","9","4","9","1","1") = "8"
    & skf18("9","1","9","4","9","2","1") = "8"
    & skf18("9","1","9","4","9","3","1") = "8"
    & skf18("9","1","9","4","9","4","1") = "8"
    & skf18("9","1","9","4","9","5","1") = "8"
    & skf18("9","1","9","4","9","6","1") = "8"
    & skf18("9","1","9","4","9","7","1") = "8"
    & skf18("9","1","9","4","9","8","1") = "8"
    & skf18("9","1","9","4","9","9","1") = "8"
    & skf18("9","1","9","4","9","10","1") = "9"
    & skf18("9","1","9","4","10","1","1") = "9"
    & skf18("9","1","9","4","10","2","1") = "9"
    & skf18("9","1","9","4","10","3","1") = "9"
    & skf18("9","1","9","4","10","4","1") = "9"
    & skf18("9","1","9","4","10","5","1") = "9"
    & skf18("9","1","9","4","10","6","1") = "9"
    & skf18("9","1","9","4","10","7","1") = "9"
    & skf18("9","1","9","4","10","8","1") = "9"
    & skf18("9","1","9","4","10","9","1") = "9"
    & skf18("9","1","9","4","10","10","1") = "9"
    & skf18("9","1","9","5","1","1","1") = "8"
    & skf18("9","1","9","5","1","2","1") = "8"
    & skf18("9","1","9","5","1","3","1") = "8"
    & skf18("9","1","9","5","1","4","1") = "8"
    & skf18("9","1","9","5","1","5","1") = "8"
    & skf18("9","1","9","5","1","6","1") = "8"
    & skf18("9","1","9","5","1","7","1") = "8"
    & skf18("9","1","9","5","1","8","1") = "8"
    & skf18("9","1","9","5","1","9","1") = "8"
    & skf18("9","1","9","5","1","10","1") = "9"
    & skf18("9","1","9","5","2","1","1") = "8"
    & skf18("9","1","9","5","2","2","1") = "8"
    & skf18("9","1","9","5","2","3","1") = "8"
    & skf18("9","1","9","5","2","4","1") = "8"
    & skf18("9","1","9","5","2","5","1") = "8"
    & skf18("9","1","9","5","2","6","1") = "8"
    & skf18("9","1","9","5","2","7","1") = "8"
    & skf18("9","1","9","5","2","8","1") = "8"
    & skf18("9","1","9","5","2","9","1") = "8"
    & skf18("9","1","9","5","2","10","1") = "9"
    & skf18("9","1","9","5","3","1","1") = "8"
    & skf18("9","1","9","5","3","2","1") = "8"
    & skf18("9","1","9","5","3","3","1") = "8"
    & skf18("9","1","9","5","3","4","1") = "8"
    & skf18("9","1","9","5","3","5","1") = "8"
    & skf18("9","1","9","5","3","6","1") = "8"
    & skf18("9","1","9","5","3","7","1") = "8"
    & skf18("9","1","9","5","3","8","1") = "8"
    & skf18("9","1","9","5","3","9","1") = "8"
    & skf18("9","1","9","5","3","10","1") = "9"
    & skf18("9","1","9","5","4","1","1") = "8"
    & skf18("9","1","9","5","4","2","1") = "8"
    & skf18("9","1","9","5","4","3","1") = "8"
    & skf18("9","1","9","5","4","4","1") = "8"
    & skf18("9","1","9","5","4","5","1") = "8"
    & skf18("9","1","9","5","4","6","1") = "8"
    & skf18("9","1","9","5","4","7","1") = "8"
    & skf18("9","1","9","5","4","8","1") = "8"
    & skf18("9","1","9","5","4","9","1") = "8"
    & skf18("9","1","9","5","4","10","1") = "9"
    & skf18("9","1","9","5","5","1","1") = "8"
    & skf18("9","1","9","5","5","2","1") = "8"
    & skf18("9","1","9","5","5","3","1") = "8"
    & skf18("9","1","9","5","5","4","1") = "8"
    & skf18("9","1","9","5","5","5","1") = "8"
    & skf18("9","1","9","5","5","6","1") = "8"
    & skf18("9","1","9","5","5","7","1") = "8"
    & skf18("9","1","9","5","5","8","1") = "8"
    & skf18("9","1","9","5","5","9","1") = "8"
    & skf18("9","1","9","5","5","10","1") = "9"
    & skf18("9","1","9","5","6","1","1") = "8"
    & skf18("9","1","9","5","6","2","1") = "8"
    & skf18("9","1","9","5","6","3","1") = "8"
    & skf18("9","1","9","5","6","4","1") = "8"
    & skf18("9","1","9","5","6","5","1") = "8"
    & skf18("9","1","9","5","6","6","1") = "8"
    & skf18("9","1","9","5","6","7","1") = "8"
    & skf18("9","1","9","5","6","8","1") = "8"
    & skf18("9","1","9","5","6","9","1") = "8"
    & skf18("9","1","9","5","6","10","1") = "9"
    & skf18("9","1","9","5","7","1","1") = "8"
    & skf18("9","1","9","5","7","2","1") = "8"
    & skf18("9","1","9","5","7","3","1") = "8"
    & skf18("9","1","9","5","7","4","1") = "8"
    & skf18("9","1","9","5","7","5","1") = "8"
    & skf18("9","1","9","5","7","6","1") = "8"
    & skf18("9","1","9","5","7","7","1") = "8"
    & skf18("9","1","9","5","7","8","1") = "8"
    & skf18("9","1","9","5","7","9","1") = "8"
    & skf18("9","1","9","5","7","10","1") = "9"
    & skf18("9","1","9","5","8","1","1") = "8"
    & skf18("9","1","9","5","8","2","1") = "8"
    & skf18("9","1","9","5","8","3","1") = "8"
    & skf18("9","1","9","5","8","4","1") = "8"
    & skf18("9","1","9","5","8","5","1") = "8"
    & skf18("9","1","9","5","8","6","1") = "8"
    & skf18("9","1","9","5","8","7","1") = "8"
    & skf18("9","1","9","5","8","8","1") = "8"
    & skf18("9","1","9","5","8","9","1") = "8"
    & skf18("9","1","9","5","8","10","1") = "9"
    & skf18("9","1","9","5","9","1","1") = "8"
    & skf18("9","1","9","5","9","2","1") = "8"
    & skf18("9","1","9","5","9","3","1") = "8"
    & skf18("9","1","9","5","9","4","1") = "8"
    & skf18("9","1","9","5","9","5","1") = "8"
    & skf18("9","1","9","5","9","6","1") = "8"
    & skf18("9","1","9","5","9","7","1") = "8"
    & skf18("9","1","9","5","9","8","1") = "8"
    & skf18("9","1","9","5","9","9","1") = "8"
    & skf18("9","1","9","5","9","10","1") = "9"
    & skf18("9","1","9","5","10","1","1") = "9"
    & skf18("9","1","9","5","10","2","1") = "9"
    & skf18("9","1","9","5","10","3","1") = "9"
    & skf18("9","1","9","5","10","4","1") = "9"
    & skf18("9","1","9","5","10","5","1") = "9"
    & skf18("9","1","9","5","10","6","1") = "9"
    & skf18("9","1","9","5","10","7","1") = "9"
    & skf18("9","1","9","5","10","8","1") = "9"
    & skf18("9","1","9","5","10","9","1") = "9"
    & skf18("9","1","9","5","10","10","1") = "9"
    & skf18("9","1","9","6","1","1","1") = "8"
    & skf18("9","1","9","6","1","2","1") = "8"
    & skf18("9","1","9","6","1","3","1") = "8"
    & skf18("9","1","9","6","1","4","1") = "8"
    & skf18("9","1","9","6","1","5","1") = "8"
    & skf18("9","1","9","6","1","6","1") = "8"
    & skf18("9","1","9","6","1","7","1") = "8"
    & skf18("9","1","9","6","1","8","1") = "8"
    & skf18("9","1","9","6","1","9","1") = "8"
    & skf18("9","1","9","6","1","10","1") = "9"
    & skf18("9","1","9","6","2","1","1") = "8"
    & skf18("9","1","9","6","2","2","1") = "8"
    & skf18("9","1","9","6","2","3","1") = "8"
    & skf18("9","1","9","6","2","4","1") = "8"
    & skf18("9","1","9","6","2","5","1") = "8"
    & skf18("9","1","9","6","2","6","1") = "8"
    & skf18("9","1","9","6","2","7","1") = "8"
    & skf18("9","1","9","6","2","8","1") = "8"
    & skf18("9","1","9","6","2","9","1") = "8"
    & skf18("9","1","9","6","2","10","1") = "9"
    & skf18("9","1","9","6","3","1","1") = "8"
    & skf18("9","1","9","6","3","2","1") = "8"
    & skf18("9","1","9","6","3","3","1") = "8"
    & skf18("9","1","9","6","3","4","1") = "8"
    & skf18("9","1","9","6","3","5","1") = "8"
    & skf18("9","1","9","6","3","6","1") = "8"
    & skf18("9","1","9","6","3","7","1") = "8"
    & skf18("9","1","9","6","3","8","1") = "8"
    & skf18("9","1","9","6","3","9","1") = "8"
    & skf18("9","1","9","6","3","10","1") = "9"
    & skf18("9","1","9","6","4","1","1") = "8"
    & skf18("9","1","9","6","4","2","1") = "8"
    & skf18("9","1","9","6","4","3","1") = "8"
    & skf18("9","1","9","6","4","4","1") = "8"
    & skf18("9","1","9","6","4","5","1") = "8"
    & skf18("9","1","9","6","4","6","1") = "8"
    & skf18("9","1","9","6","4","7","1") = "8"
    & skf18("9","1","9","6","4","8","1") = "8"
    & skf18("9","1","9","6","4","9","1") = "8"
    & skf18("9","1","9","6","4","10","1") = "9"
    & skf18("9","1","9","6","5","1","1") = "8"
    & skf18("9","1","9","6","5","2","1") = "8"
    & skf18("9","1","9","6","5","3","1") = "8"
    & skf18("9","1","9","6","5","4","1") = "8"
    & skf18("9","1","9","6","5","5","1") = "8"
    & skf18("9","1","9","6","5","6","1") = "8"
    & skf18("9","1","9","6","5","7","1") = "8"
    & skf18("9","1","9","6","5","8","1") = "8"
    & skf18("9","1","9","6","5","9","1") = "8"
    & skf18("9","1","9","6","5","10","1") = "9"
    & skf18("9","1","9","6","6","1","1") = "8"
    & skf18("9","1","9","6","6","2","1") = "8"
    & skf18("9","1","9","6","6","3","1") = "8"
    & skf18("9","1","9","6","6","4","1") = "8"
    & skf18("9","1","9","6","6","5","1") = "8"
    & skf18("9","1","9","6","6","6","1") = "8"
    & skf18("9","1","9","6","6","7","1") = "8"
    & skf18("9","1","9","6","6","8","1") = "8"
    & skf18("9","1","9","6","6","9","1") = "8"
    & skf18("9","1","9","6","6","10","1") = "9"
    & skf18("9","1","9","6","7","1","1") = "8"
    & skf18("9","1","9","6","7","2","1") = "8"
    & skf18("9","1","9","6","7","3","1") = "8"
    & skf18("9","1","9","6","7","4","1") = "8"
    & skf18("9","1","9","6","7","5","1") = "8"
    & skf18("9","1","9","6","7","6","1") = "8"
    & skf18("9","1","9","6","7","7","1") = "8"
    & skf18("9","1","9","6","7","8","1") = "8"
    & skf18("9","1","9","6","7","9","1") = "8"
    & skf18("9","1","9","6","7","10","1") = "9"
    & skf18("9","1","9","6","8","1","1") = "8"
    & skf18("9","1","9","6","8","2","1") = "8"
    & skf18("9","1","9","6","8","3","1") = "8"
    & skf18("9","1","9","6","8","4","1") = "8"
    & skf18("9","1","9","6","8","5","1") = "8"
    & skf18("9","1","9","6","8","6","1") = "8"
    & skf18("9","1","9","6","8","7","1") = "8"
    & skf18("9","1","9","6","8","8","1") = "8"
    & skf18("9","1","9","6","8","9","1") = "8"
    & skf18("9","1","9","6","8","10","1") = "9"
    & skf18("9","1","9","6","9","1","1") = "8"
    & skf18("9","1","9","6","9","2","1") = "8"
    & skf18("9","1","9","6","9","3","1") = "8"
    & skf18("9","1","9","6","9","4","1") = "8"
    & skf18("9","1","9","6","9","5","1") = "8"
    & skf18("9","1","9","6","9","6","1") = "8"
    & skf18("9","1","9","6","9","7","1") = "8"
    & skf18("9","1","9","6","9","8","1") = "8"
    & skf18("9","1","9","6","9","9","1") = "8"
    & skf18("9","1","9","6","9","10","1") = "9"
    & skf18("9","1","9","6","10","1","1") = "9"
    & skf18("9","1","9","6","10","2","1") = "9"
    & skf18("9","1","9","6","10","3","1") = "9"
    & skf18("9","1","9","6","10","4","1") = "9"
    & skf18("9","1","9","6","10","5","1") = "9"
    & skf18("9","1","9","6","10","6","1") = "9"
    & skf18("9","1","9","6","10","7","1") = "9"
    & skf18("9","1","9","6","10","8","1") = "9"
    & skf18("9","1","9","6","10","9","1") = "9"
    & skf18("9","1","9","6","10","10","1") = "9"
    & skf18("9","1","9","7","1","1","1") = "8"
    & skf18("9","1","9","7","1","2","1") = "8"
    & skf18("9","1","9","7","1","3","1") = "8"
    & skf18("9","1","9","7","1","4","1") = "8"
    & skf18("9","1","9","7","1","5","1") = "8"
    & skf18("9","1","9","7","1","6","1") = "8"
    & skf18("9","1","9","7","1","7","1") = "8"
    & skf18("9","1","9","7","1","8","1") = "8"
    & skf18("9","1","9","7","1","9","1") = "8"
    & skf18("9","1","9","7","1","10","1") = "9"
    & skf18("9","1","9","7","2","1","1") = "8"
    & skf18("9","1","9","7","2","2","1") = "8"
    & skf18("9","1","9","7","2","3","1") = "8"
    & skf18("9","1","9","7","2","4","1") = "8"
    & skf18("9","1","9","7","2","5","1") = "8"
    & skf18("9","1","9","7","2","6","1") = "8"
    & skf18("9","1","9","7","2","7","1") = "8"
    & skf18("9","1","9","7","2","8","1") = "8"
    & skf18("9","1","9","7","2","9","1") = "8"
    & skf18("9","1","9","7","2","10","1") = "9"
    & skf18("9","1","9","7","3","1","1") = "8"
    & skf18("9","1","9","7","3","2","1") = "8"
    & skf18("9","1","9","7","3","3","1") = "8"
    & skf18("9","1","9","7","3","4","1") = "8"
    & skf18("9","1","9","7","3","5","1") = "8"
    & skf18("9","1","9","7","3","6","1") = "8"
    & skf18("9","1","9","7","3","7","1") = "8"
    & skf18("9","1","9","7","3","8","1") = "8"
    & skf18("9","1","9","7","3","9","1") = "8"
    & skf18("9","1","9","7","3","10","1") = "9"
    & skf18("9","1","9","7","4","1","1") = "8"
    & skf18("9","1","9","7","4","2","1") = "8"
    & skf18("9","1","9","7","4","3","1") = "8"
    & skf18("9","1","9","7","4","4","1") = "8"
    & skf18("9","1","9","7","4","5","1") = "8"
    & skf18("9","1","9","7","4","6","1") = "8"
    & skf18("9","1","9","7","4","7","1") = "8"
    & skf18("9","1","9","7","4","8","1") = "8"
    & skf18("9","1","9","7","4","9","1") = "8"
    & skf18("9","1","9","7","4","10","1") = "9"
    & skf18("9","1","9","7","5","1","1") = "8"
    & skf18("9","1","9","7","5","2","1") = "8"
    & skf18("9","1","9","7","5","3","1") = "8"
    & skf18("9","1","9","7","5","4","1") = "8"
    & skf18("9","1","9","7","5","5","1") = "8"
    & skf18("9","1","9","7","5","6","1") = "8"
    & skf18("9","1","9","7","5","7","1") = "8"
    & skf18("9","1","9","7","5","8","1") = "8"
    & skf18("9","1","9","7","5","9","1") = "8"
    & skf18("9","1","9","7","5","10","1") = "9"
    & skf18("9","1","9","7","6","1","1") = "8"
    & skf18("9","1","9","7","6","2","1") = "8"
    & skf18("9","1","9","7","6","3","1") = "8"
    & skf18("9","1","9","7","6","4","1") = "8"
    & skf18("9","1","9","7","6","5","1") = "8"
    & skf18("9","1","9","7","6","6","1") = "8"
    & skf18("9","1","9","7","6","7","1") = "8"
    & skf18("9","1","9","7","6","8","1") = "8"
    & skf18("9","1","9","7","6","9","1") = "8"
    & skf18("9","1","9","7","6","10","1") = "9"
    & skf18("9","1","9","7","7","1","1") = "8"
    & skf18("9","1","9","7","7","2","1") = "8"
    & skf18("9","1","9","7","7","3","1") = "8"
    & skf18("9","1","9","7","7","4","1") = "8"
    & skf18("9","1","9","7","7","5","1") = "8"
    & skf18("9","1","9","7","7","6","1") = "8"
    & skf18("9","1","9","7","7","7","1") = "8"
    & skf18("9","1","9","7","7","8","1") = "8"
    & skf18("9","1","9","7","7","9","1") = "8"
    & skf18("9","1","9","7","7","10","1") = "9"
    & skf18("9","1","9","7","8","1","1") = "8"
    & skf18("9","1","9","7","8","2","1") = "8"
    & skf18("9","1","9","7","8","3","1") = "8"
    & skf18("9","1","9","7","8","4","1") = "8"
    & skf18("9","1","9","7","8","5","1") = "8"
    & skf18("9","1","9","7","8","6","1") = "8"
    & skf18("9","1","9","7","8","7","1") = "8"
    & skf18("9","1","9","7","8","8","1") = "8"
    & skf18("9","1","9","7","8","9","1") = "8"
    & skf18("9","1","9","7","8","10","1") = "9"
    & skf18("9","1","9","7","9","1","1") = "8"
    & skf18("9","1","9","7","9","2","1") = "8"
    & skf18("9","1","9","7","9","3","1") = "8"
    & skf18("9","1","9","7","9","4","1") = "8"
    & skf18("9","1","9","7","9","5","1") = "8"
    & skf18("9","1","9","7","9","6","1") = "8"
    & skf18("9","1","9","7","9","7","1") = "8"
    & skf18("9","1","9","7","9","8","1") = "8"
    & skf18("9","1","9","7","9","9","1") = "8"
    & skf18("9","1","9","7","9","10","1") = "9"
    & skf18("9","1","9","7","10","1","1") = "9"
    & skf18("9","1","9","7","10","2","1") = "9"
    & skf18("9","1","9","7","10","3","1") = "9"
    & skf18("9","1","9","7","10","4","1") = "9"
    & skf18("9","1","9","7","10","5","1") = "9"
    & skf18("9","1","9","7","10","6","1") = "9"
    & skf18("9","1","9","7","10","7","1") = "9"
    & skf18("9","1","9","7","10","8","1") = "9"
    & skf18("9","1","9","7","10","9","1") = "9"
    & skf18("9","1","9","7","10","10","1") = "9"
    & skf18("9","1","9","8","1","1","1") = "8"
    & skf18("9","1","9","8","1","2","1") = "8"
    & skf18("9","1","9","8","1","3","1") = "8"
    & skf18("9","1","9","8","1","4","1") = "8"
    & skf18("9","1","9","8","1","5","1") = "8"
    & skf18("9","1","9","8","1","6","1") = "8"
    & skf18("9","1","9","8","1","7","1") = "8"
    & skf18("9","1","9","8","1","8","1") = "8"
    & skf18("9","1","9","8","1","9","1") = "8"
    & skf18("9","1","9","8","1","10","1") = "9"
    & skf18("9","1","9","8","2","1","1") = "8"
    & skf18("9","1","9","8","2","2","1") = "8"
    & skf18("9","1","9","8","2","3","1") = "8"
    & skf18("9","1","9","8","2","4","1") = "8"
    & skf18("9","1","9","8","2","5","1") = "8"
    & skf18("9","1","9","8","2","6","1") = "8"
    & skf18("9","1","9","8","2","7","1") = "8"
    & skf18("9","1","9","8","2","8","1") = "8"
    & skf18("9","1","9","8","2","9","1") = "8"
    & skf18("9","1","9","8","2","10","1") = "9"
    & skf18("9","1","9","8","3","1","1") = "8"
    & skf18("9","1","9","8","3","2","1") = "8"
    & skf18("9","1","9","8","3","3","1") = "8"
    & skf18("9","1","9","8","3","4","1") = "8"
    & skf18("9","1","9","8","3","5","1") = "8"
    & skf18("9","1","9","8","3","6","1") = "8"
    & skf18("9","1","9","8","3","7","1") = "8"
    & skf18("9","1","9","8","3","8","1") = "8"
    & skf18("9","1","9","8","3","9","1") = "8"
    & skf18("9","1","9","8","3","10","1") = "9"
    & skf18("9","1","9","8","4","1","1") = "8"
    & skf18("9","1","9","8","4","2","1") = "8"
    & skf18("9","1","9","8","4","3","1") = "8"
    & skf18("9","1","9","8","4","4","1") = "8"
    & skf18("9","1","9","8","4","5","1") = "8"
    & skf18("9","1","9","8","4","6","1") = "8"
    & skf18("9","1","9","8","4","7","1") = "8"
    & skf18("9","1","9","8","4","8","1") = "8"
    & skf18("9","1","9","8","4","9","1") = "8"
    & skf18("9","1","9","8","4","10","1") = "9"
    & skf18("9","1","9","8","5","1","1") = "8"
    & skf18("9","1","9","8","5","2","1") = "8"
    & skf18("9","1","9","8","5","3","1") = "8"
    & skf18("9","1","9","8","5","4","1") = "8"
    & skf18("9","1","9","8","5","5","1") = "8"
    & skf18("9","1","9","8","5","6","1") = "8"
    & skf18("9","1","9","8","5","7","1") = "8"
    & skf18("9","1","9","8","5","8","1") = "8"
    & skf18("9","1","9","8","5","9","1") = "8"
    & skf18("9","1","9","8","5","10","1") = "9"
    & skf18("9","1","9","8","6","1","1") = "8"
    & skf18("9","1","9","8","6","2","1") = "8"
    & skf18("9","1","9","8","6","3","1") = "8"
    & skf18("9","1","9","8","6","4","1") = "8"
    & skf18("9","1","9","8","6","5","1") = "8"
    & skf18("9","1","9","8","6","6","1") = "8"
    & skf18("9","1","9","8","6","7","1") = "8"
    & skf18("9","1","9","8","6","8","1") = "8"
    & skf18("9","1","9","8","6","9","1") = "8"
    & skf18("9","1","9","8","6","10","1") = "9"
    & skf18("9","1","9","8","7","1","1") = "8"
    & skf18("9","1","9","8","7","2","1") = "8"
    & skf18("9","1","9","8","7","3","1") = "8"
    & skf18("9","1","9","8","7","4","1") = "8"
    & skf18("9","1","9","8","7","5","1") = "8"
    & skf18("9","1","9","8","7","6","1") = "8"
    & skf18("9","1","9","8","7","7","1") = "8"
    & skf18("9","1","9","8","7","8","1") = "8"
    & skf18("9","1","9","8","7","9","1") = "8"
    & skf18("9","1","9","8","7","10","1") = "9"
    & skf18("9","1","9","8","8","1","1") = "8"
    & skf18("9","1","9","8","8","2","1") = "8"
    & skf18("9","1","9","8","8","3","1") = "8"
    & skf18("9","1","9","8","8","4","1") = "8"
    & skf18("9","1","9","8","8","5","1") = "8"
    & skf18("9","1","9","8","8","6","1") = "8"
    & skf18("9","1","9","8","8","7","1") = "8"
    & skf18("9","1","9","8","8","8","1") = "8"
    & skf18("9","1","9","8","8","9","1") = "8"
    & skf18("9","1","9","8","8","10","1") = "9"
    & skf18("9","1","9","8","9","1","1") = "8"
    & skf18("9","1","9","8","9","2","1") = "8"
    & skf18("9","1","9","8","9","3","1") = "8"
    & skf18("9","1","9","8","9","4","1") = "8"
    & skf18("9","1","9","8","9","5","1") = "8"
    & skf18("9","1","9","8","9","6","1") = "8"
    & skf18("9","1","9","8","9","7","1") = "8"
    & skf18("9","1","9","8","9","8","1") = "8"
    & skf18("9","1","9","8","9","9","1") = "8"
    & skf18("9","1","9","8","9","10","1") = "9"
    & skf18("9","1","9","8","10","1","1") = "9"
    & skf18("9","1","9","8","10","2","1") = "9"
    & skf18("9","1","9","8","10","3","1") = "9"
    & skf18("9","1","9","8","10","4","1") = "9"
    & skf18("9","1","9","8","10","5","1") = "9"
    & skf18("9","1","9","8","10","6","1") = "9"
    & skf18("9","1","9","8","10","7","1") = "9"
    & skf18("9","1","9","8","10","8","1") = "9"
    & skf18("9","1","9","8","10","9","1") = "9"
    & skf18("9","1","9","8","10","10","1") = "9"
    & skf18("9","1","9","9","1","1","1") = "8"
    & skf18("9","1","9","9","1","2","1") = "8"
    & skf18("9","1","9","9","1","3","1") = "8"
    & skf18("9","1","9","9","1","4","1") = "8"
    & skf18("9","1","9","9","1","5","1") = "8"
    & skf18("9","1","9","9","1","6","1") = "8"
    & skf18("9","1","9","9","1","7","1") = "8"
    & skf18("9","1","9","9","1","8","1") = "8"
    & skf18("9","1","9","9","1","9","1") = "8"
    & skf18("9","1","9","9","1","10","1") = "9"
    & skf18("9","1","9","9","2","1","1") = "8"
    & skf18("9","1","9","9","2","2","1") = "8"
    & skf18("9","1","9","9","2","3","1") = "8"
    & skf18("9","1","9","9","2","4","1") = "8"
    & skf18("9","1","9","9","2","5","1") = "8"
    & skf18("9","1","9","9","2","6","1") = "8"
    & skf18("9","1","9","9","2","7","1") = "8"
    & skf18("9","1","9","9","2","8","1") = "8"
    & skf18("9","1","9","9","2","9","1") = "8"
    & skf18("9","1","9","9","2","10","1") = "9"
    & skf18("9","1","9","9","3","1","1") = "8"
    & skf18("9","1","9","9","3","2","1") = "8"
    & skf18("9","1","9","9","3","3","1") = "8"
    & skf18("9","1","9","9","3","4","1") = "8"
    & skf18("9","1","9","9","3","5","1") = "8"
    & skf18("9","1","9","9","3","6","1") = "8"
    & skf18("9","1","9","9","3","7","1") = "8"
    & skf18("9","1","9","9","3","8","1") = "8"
    & skf18("9","1","9","9","3","9","1") = "8"
    & skf18("9","1","9","9","3","10","1") = "9"
    & skf18("9","1","9","9","4","1","1") = "8"
    & skf18("9","1","9","9","4","2","1") = "8"
    & skf18("9","1","9","9","4","3","1") = "8"
    & skf18("9","1","9","9","4","4","1") = "8"
    & skf18("9","1","9","9","4","5","1") = "8"
    & skf18("9","1","9","9","4","6","1") = "8"
    & skf18("9","1","9","9","4","7","1") = "8"
    & skf18("9","1","9","9","4","8","1") = "8"
    & skf18("9","1","9","9","4","9","1") = "8"
    & skf18("9","1","9","9","4","10","1") = "9"
    & skf18("9","1","9","9","5","1","1") = "8"
    & skf18("9","1","9","9","5","2","1") = "8"
    & skf18("9","1","9","9","5","3","1") = "8"
    & skf18("9","1","9","9","5","4","1") = "8"
    & skf18("9","1","9","9","5","5","1") = "8"
    & skf18("9","1","9","9","5","6","1") = "8"
    & skf18("9","1","9","9","5","7","1") = "8"
    & skf18("9","1","9","9","5","8","1") = "8"
    & skf18("9","1","9","9","5","9","1") = "8"
    & skf18("9","1","9","9","5","10","1") = "9"
    & skf18("9","1","9","9","6","1","1") = "8"
    & skf18("9","1","9","9","6","2","1") = "8"
    & skf18("9","1","9","9","6","3","1") = "8"
    & skf18("9","1","9","9","6","4","1") = "8"
    & skf18("9","1","9","9","6","5","1") = "8"
    & skf18("9","1","9","9","6","6","1") = "8"
    & skf18("9","1","9","9","6","7","1") = "8"
    & skf18("9","1","9","9","6","8","1") = "8"
    & skf18("9","1","9","9","6","9","1") = "8"
    & skf18("9","1","9","9","6","10","1") = "9"
    & skf18("9","1","9","9","7","1","1") = "8"
    & skf18("9","1","9","9","7","2","1") = "8"
    & skf18("9","1","9","9","7","3","1") = "8"
    & skf18("9","1","9","9","7","4","1") = "8"
    & skf18("9","1","9","9","7","5","1") = "8"
    & skf18("9","1","9","9","7","6","1") = "8"
    & skf18("9","1","9","9","7","7","1") = "8"
    & skf18("9","1","9","9","7","8","1") = "8"
    & skf18("9","1","9","9","7","9","1") = "8"
    & skf18("9","1","9","9","7","10","1") = "9"
    & skf18("9","1","9","9","8","1","1") = "8"
    & skf18("9","1","9","9","8","2","1") = "8"
    & skf18("9","1","9","9","8","3","1") = "8"
    & skf18("9","1","9","9","8","4","1") = "8"
    & skf18("9","1","9","9","8","5","1") = "8"
    & skf18("9","1","9","9","8","6","1") = "8"
    & skf18("9","1","9","9","8","7","1") = "8"
    & skf18("9","1","9","9","8","8","1") = "8"
    & skf18("9","1","9","9","8","9","1") = "8"
    & skf18("9","1","9","9","8","10","1") = "9"
    & skf18("9","1","9","9","9","1","1") = "8"
    & skf18("9","1","9","9","9","2","1") = "8"
    & skf18("9","1","9","9","9","3","1") = "8"
    & skf18("9","1","9","9","9","4","1") = "8"
    & skf18("9","1","9","9","9","5","1") = "8"
    & skf18("9","1","9","9","9","6","1") = "8"
    & skf18("9","1","9","9","9","7","1") = "8"
    & skf18("9","1","9","9","9","8","1") = "8"
    & skf18("9","1","9","9","9","9","1") = "8"
    & skf18("9","1","9","9","9","10","1") = "9"
    & skf18("9","1","9","9","10","1","1") = "9"
    & skf18("9","1","9","9","10","2","1") = "9"
    & skf18("9","1","9","9","10","3","1") = "9"
    & skf18("9","1","9","9","10","4","1") = "9"
    & skf18("9","1","9","9","10","5","1") = "9"
    & skf18("9","1","9","9","10","6","1") = "9"
    & skf18("9","1","9","9","10","7","1") = "9"
    & skf18("9","1","9","9","10","8","1") = "9"
    & skf18("9","1","9","9","10","9","1") = "9"
    & skf18("9","1","9","9","10","10","1") = "9"
    & skf18("9","1","9","10","1","1","1") = "9"
    & skf18("9","1","9","10","1","2","1") = "9"
    & skf18("9","1","9","10","1","3","1") = "9"
    & skf18("9","1","9","10","1","4","1") = "9"
    & skf18("9","1","9","10","1","5","1") = "9"
    & skf18("9","1","9","10","1","6","1") = "9"
    & skf18("9","1","9","10","1","7","1") = "9"
    & skf18("9","1","9","10","1","8","1") = "9"
    & skf18("9","1","9","10","1","9","1") = "9"
    & skf18("9","1","9","10","1","10","1") = "9"
    & skf18("9","1","9","10","2","1","1") = "9"
    & skf18("9","1","9","10","2","2","1") = "9"
    & skf18("9","1","9","10","2","3","1") = "9"
    & skf18("9","1","9","10","2","4","1") = "9"
    & skf18("9","1","9","10","2","5","1") = "9"
    & skf18("9","1","9","10","2","6","1") = "9"
    & skf18("9","1","9","10","2","7","1") = "9"
    & skf18("9","1","9","10","2","8","1") = "9"
    & skf18("9","1","9","10","2","9","1") = "9"
    & skf18("9","1","9","10","2","10","1") = "9"
    & skf18("9","1","9","10","3","1","1") = "9"
    & skf18("9","1","9","10","3","2","1") = "9"
    & skf18("9","1","9","10","3","3","1") = "9"
    & skf18("9","1","9","10","3","4","1") = "9"
    & skf18("9","1","9","10","3","5","1") = "9"
    & skf18("9","1","9","10","3","6","1") = "9"
    & skf18("9","1","9","10","3","7","1") = "9"
    & skf18("9","1","9","10","3","8","1") = "9"
    & skf18("9","1","9","10","3","9","1") = "9"
    & skf18("9","1","9","10","3","10","1") = "9"
    & skf18("9","1","9","10","4","1","1") = "9"
    & skf18("9","1","9","10","4","2","1") = "9"
    & skf18("9","1","9","10","4","3","1") = "9"
    & skf18("9","1","9","10","4","4","1") = "9"
    & skf18("9","1","9","10","4","5","1") = "9"
    & skf18("9","1","9","10","4","6","1") = "9"
    & skf18("9","1","9","10","4","7","1") = "9"
    & skf18("9","1","9","10","4","8","1") = "9"
    & skf18("9","1","9","10","4","9","1") = "9"
    & skf18("9","1","9","10","4","10","1") = "9"
    & skf18("9","1","9","10","5","1","1") = "9"
    & skf18("9","1","9","10","5","2","1") = "9"
    & skf18("9","1","9","10","5","3","1") = "9"
    & skf18("9","1","9","10","5","4","1") = "9"
    & skf18("9","1","9","10","5","5","1") = "9"
    & skf18("9","1","9","10","5","6","1") = "9"
    & skf18("9","1","9","10","5","7","1") = "9"
    & skf18("9","1","9","10","5","8","1") = "9"
    & skf18("9","1","9","10","5","9","1") = "9"
    & skf18("9","1","9","10","5","10","1") = "9"
    & skf18("9","1","9","10","6","1","1") = "9"
    & skf18("9","1","9","10","6","2","1") = "9"
    & skf18("9","1","9","10","6","3","1") = "9"
    & skf18("9","1","9","10","6","4","1") = "9"
    & skf18("9","1","9","10","6","5","1") = "9"
    & skf18("9","1","9","10","6","6","1") = "9"
    & skf18("9","1","9","10","6","7","1") = "9"
    & skf18("9","1","9","10","6","8","1") = "9"
    & skf18("9","1","9","10","6","9","1") = "9"
    & skf18("9","1","9","10","6","10","1") = "9"
    & skf18("9","1","9","10","7","1","1") = "9"
    & skf18("9","1","9","10","7","2","1") = "9"
    & skf18("9","1","9","10","7","3","1") = "9"
    & skf18("9","1","9","10","7","4","1") = "9"
    & skf18("9","1","9","10","7","5","1") = "9"
    & skf18("9","1","9","10","7","6","1") = "9"
    & skf18("9","1","9","10","7","7","1") = "9"
    & skf18("9","1","9","10","7","8","1") = "9"
    & skf18("9","1","9","10","7","9","1") = "9"
    & skf18("9","1","9","10","7","10","1") = "9"
    & skf18("9","1","9","10","8","1","1") = "9"
    & skf18("9","1","9","10","8","2","1") = "9"
    & skf18("9","1","9","10","8","3","1") = "9"
    & skf18("9","1","9","10","8","4","1") = "9"
    & skf18("9","1","9","10","8","5","1") = "9"
    & skf18("9","1","9","10","8","6","1") = "9"
    & skf18("9","1","9","10","8","7","1") = "9"
    & skf18("9","1","9","10","8","8","1") = "9"
    & skf18("9","1","9","10","8","9","1") = "9"
    & skf18("9","1","9","10","8","10","1") = "9"
    & skf18("9","1","9","10","9","1","1") = "9"
    & skf18("9","1","9","10","9","2","1") = "9"
    & skf18("9","1","9","10","9","3","1") = "9"
    & skf18("9","1","9","10","9","4","1") = "9"
    & skf18("9","1","9","10","9","5","1") = "9"
    & skf18("9","1","9","10","9","6","1") = "9"
    & skf18("9","1","9","10","9","7","1") = "9"
    & skf18("9","1","9","10","9","8","1") = "9"
    & skf18("9","1","9","10","9","9","1") = "9"
    & skf18("9","1","9","10","9","10","1") = "9"
    & skf18("9","1","9","10","10","1","1") = "9"
    & skf18("9","1","9","10","10","2","1") = "9"
    & skf18("9","1","9","10","10","3","1") = "9"
    & skf18("9","1","9","10","10","4","1") = "9"
    & skf18("9","1","9","10","10","5","1") = "9"
    & skf18("9","1","9","10","10","6","1") = "9"
    & skf18("9","1","9","10","10","7","1") = "9"
    & skf18("9","1","9","10","10","8","1") = "9"
    & skf18("9","1","9","10","10","9","1") = "9"
    & skf18("9","1","9","10","10","10","1") = "9"
    & skf18("9","1","10","1","1","1","1") = "9"
    & skf18("9","1","10","1","1","2","1") = "9"
    & skf18("9","1","10","1","1","3","1") = "9"
    & skf18("9","1","10","1","1","4","1") = "9"
    & skf18("9","1","10","1","1","5","1") = "9"
    & skf18("9","1","10","1","1","6","1") = "9"
    & skf18("9","1","10","1","1","7","1") = "9"
    & skf18("9","1","10","1","1","8","1") = "9"
    & skf18("9","1","10","1","1","9","1") = "9"
    & skf18("9","1","10","1","1","10","1") = "9"
    & skf18("9","1","10","1","2","1","1") = "9"
    & skf18("9","1","10","1","2","2","1") = "9"
    & skf18("9","1","10","1","2","3","1") = "9"
    & skf18("9","1","10","1","2","4","1") = "9"
    & skf18("9","1","10","1","2","5","1") = "9"
    & skf18("9","1","10","1","2","6","1") = "9"
    & skf18("9","1","10","1","2","7","1") = "9"
    & skf18("9","1","10","1","2","8","1") = "9"
    & skf18("9","1","10","1","2","9","1") = "9"
    & skf18("9","1","10","1","2","10","1") = "9"
    & skf18("9","1","10","1","3","1","1") = "9"
    & skf18("9","1","10","1","3","2","1") = "9"
    & skf18("9","1","10","1","3","3","1") = "9"
    & skf18("9","1","10","1","3","4","1") = "9"
    & skf18("9","1","10","1","3","5","1") = "9"
    & skf18("9","1","10","1","3","6","1") = "9"
    & skf18("9","1","10","1","3","7","1") = "9"
    & skf18("9","1","10","1","3","8","1") = "9"
    & skf18("9","1","10","1","3","9","1") = "9"
    & skf18("9","1","10","1","3","10","1") = "9"
    & skf18("9","1","10","1","4","1","1") = "9"
    & skf18("9","1","10","1","4","2","1") = "9"
    & skf18("9","1","10","1","4","3","1") = "9"
    & skf18("9","1","10","1","4","4","1") = "9"
    & skf18("9","1","10","1","4","5","1") = "9"
    & skf18("9","1","10","1","4","6","1") = "9"
    & skf18("9","1","10","1","4","7","1") = "9"
    & skf18("9","1","10","1","4","8","1") = "9"
    & skf18("9","1","10","1","4","9","1") = "9"
    & skf18("9","1","10","1","4","10","1") = "9"
    & skf18("9","1","10","1","5","1","1") = "9"
    & skf18("9","1","10","1","5","2","1") = "9"
    & skf18("9","1","10","1","5","3","1") = "9"
    & skf18("9","1","10","1","5","4","1") = "9"
    & skf18("9","1","10","1","5","5","1") = "9"
    & skf18("9","1","10","1","5","6","1") = "9"
    & skf18("9","1","10","1","5","7","1") = "9"
    & skf18("9","1","10","1","5","8","1") = "9"
    & skf18("9","1","10","1","5","9","1") = "9"
    & skf18("9","1","10","1","5","10","1") = "9"
    & skf18("9","1","10","1","6","1","1") = "9"
    & skf18("9","1","10","1","6","2","1") = "9"
    & skf18("9","1","10","1","6","3","1") = "9"
    & skf18("9","1","10","1","6","4","1") = "9"
    & skf18("9","1","10","1","6","5","1") = "9"
    & skf18("9","1","10","1","6","6","1") = "9"
    & skf18("9","1","10","1","6","7","1") = "9"
    & skf18("9","1","10","1","6","8","1") = "9"
    & skf18("9","1","10","1","6","9","1") = "9"
    & skf18("9","1","10","1","6","10","1") = "9"
    & skf18("9","1","10","1","7","1","1") = "9"
    & skf18("9","1","10","1","7","2","1") = "9"
    & skf18("9","1","10","1","7","3","1") = "9"
    & skf18("9","1","10","1","7","4","1") = "9"
    & skf18("9","1","10","1","7","5","1") = "9"
    & skf18("9","1","10","1","7","6","1") = "9"
    & skf18("9","1","10","1","7","7","1") = "9"
    & skf18("9","1","10","1","7","8","1") = "9"
    & skf18("9","1","10","1","7","9","1") = "9"
    & skf18("9","1","10","1","7","10","1") = "9"
    & skf18("9","1","10","1","8","1","1") = "9"
    & skf18("9","1","10","1","8","2","1") = "9"
    & skf18("9","1","10","1","8","3","1") = "9"
    & skf18("9","1","10","1","8","4","1") = "9"
    & skf18("9","1","10","1","8","5","1") = "9"
    & skf18("9","1","10","1","8","6","1") = "9"
    & skf18("9","1","10","1","8","7","1") = "9"
    & skf18("9","1","10","1","8","8","1") = "9"
    & skf18("9","1","10","1","8","9","1") = "9"
    & skf18("9","1","10","1","8","10","1") = "9"
    & skf18("9","1","10","1","9","1","1") = "9"
    & skf18("9","1","10","1","9","2","1") = "9"
    & skf18("9","1","10","1","9","3","1") = "9"
    & skf18("9","1","10","1","9","4","1") = "9"
    & skf18("9","1","10","1","9","5","1") = "9"
    & skf18("9","1","10","1","9","6","1") = "9"
    & skf18("9","1","10","1","9","7","1") = "9"
    & skf18("9","1","10","1","9","8","1") = "9"
    & skf18("9","1","10","1","9","9","1") = "9"
    & skf18("9","1","10","1","9","10","1") = "9"
    & skf18("9","1","10","1","10","1","1") = "9"
    & skf18("9","1","10","1","10","2","1") = "9"
    & skf18("9","1","10","1","10","3","1") = "9"
    & skf18("9","1","10","1","10","4","1") = "9"
    & skf18("9","1","10","1","10","5","1") = "9"
    & skf18("9","1","10","1","10","6","1") = "9"
    & skf18("9","1","10","1","10","7","1") = "9"
    & skf18("9","1","10","1","10","8","1") = "9"
    & skf18("9","1","10","1","10","9","1") = "9"
    & skf18("9","1","10","1","10","10","1") = "9"
    & skf18("9","1","10","2","1","1","1") = "9"
    & skf18("9","1","10","2","1","2","1") = "9"
    & skf18("9","1","10","2","1","3","1") = "9"
    & skf18("9","1","10","2","1","4","1") = "9"
    & skf18("9","1","10","2","1","5","1") = "9"
    & skf18("9","1","10","2","1","6","1") = "9"
    & skf18("9","1","10","2","1","7","1") = "9"
    & skf18("9","1","10","2","1","8","1") = "9"
    & skf18("9","1","10","2","1","9","1") = "9"
    & skf18("9","1","10","2","1","10","1") = "9"
    & skf18("9","1","10","2","2","1","1") = "9"
    & skf18("9","1","10","2","2","2","1") = "9"
    & skf18("9","1","10","2","2","3","1") = "9"
    & skf18("9","1","10","2","2","4","1") = "9"
    & skf18("9","1","10","2","2","5","1") = "9"
    & skf18("9","1","10","2","2","6","1") = "9"
    & skf18("9","1","10","2","2","7","1") = "9"
    & skf18("9","1","10","2","2","8","1") = "9"
    & skf18("9","1","10","2","2","9","1") = "9"
    & skf18("9","1","10","2","2","10","1") = "9"
    & skf18("9","1","10","2","3","1","1") = "9"
    & skf18("9","1","10","2","3","2","1") = "9"
    & skf18("9","1","10","2","3","3","1") = "9"
    & skf18("9","1","10","2","3","4","1") = "9"
    & skf18("9","1","10","2","3","5","1") = "9"
    & skf18("9","1","10","2","3","6","1") = "9"
    & skf18("9","1","10","2","3","7","1") = "9"
    & skf18("9","1","10","2","3","8","1") = "9"
    & skf18("9","1","10","2","3","9","1") = "9"
    & skf18("9","1","10","2","3","10","1") = "9"
    & skf18("9","1","10","2","4","1","1") = "9"
    & skf18("9","1","10","2","4","2","1") = "9"
    & skf18("9","1","10","2","4","3","1") = "9"
    & skf18("9","1","10","2","4","4","1") = "9"
    & skf18("9","1","10","2","4","5","1") = "9"
    & skf18("9","1","10","2","4","6","1") = "9"
    & skf18("9","1","10","2","4","7","1") = "9"
    & skf18("9","1","10","2","4","8","1") = "9"
    & skf18("9","1","10","2","4","9","1") = "9"
    & skf18("9","1","10","2","4","10","1") = "9"
    & skf18("9","1","10","2","5","1","1") = "9"
    & skf18("9","1","10","2","5","2","1") = "9"
    & skf18("9","1","10","2","5","3","1") = "9"
    & skf18("9","1","10","2","5","4","1") = "9"
    & skf18("9","1","10","2","5","5","1") = "9"
    & skf18("9","1","10","2","5","6","1") = "9"
    & skf18("9","1","10","2","5","7","1") = "9"
    & skf18("9","1","10","2","5","8","1") = "9"
    & skf18("9","1","10","2","5","9","1") = "9"
    & skf18("9","1","10","2","5","10","1") = "9"
    & skf18("9","1","10","2","6","1","1") = "9"
    & skf18("9","1","10","2","6","2","1") = "9"
    & skf18("9","1","10","2","6","3","1") = "9"
    & skf18("9","1","10","2","6","4","1") = "9"
    & skf18("9","1","10","2","6","5","1") = "9"
    & skf18("9","1","10","2","6","6","1") = "9"
    & skf18("9","1","10","2","6","7","1") = "9"
    & skf18("9","1","10","2","6","8","1") = "9"
    & skf18("9","1","10","2","6","9","1") = "9"
    & skf18("9","1","10","2","6","10","1") = "9"
    & skf18("9","1","10","2","7","1","1") = "9"
    & skf18("9","1","10","2","7","2","1") = "9"
    & skf18("9","1","10","2","7","3","1") = "9"
    & skf18("9","1","10","2","7","4","1") = "9"
    & skf18("9","1","10","2","7","5","1") = "9"
    & skf18("9","1","10","2","7","6","1") = "9"
    & skf18("9","1","10","2","7","7","1") = "9"
    & skf18("9","1","10","2","7","8","1") = "9"
    & skf18("9","1","10","2","7","9","1") = "9"
    & skf18("9","1","10","2","7","10","1") = "9"
    & skf18("9","1","10","2","8","1","1") = "9"
    & skf18("9","1","10","2","8","2","1") = "9"
    & skf18("9","1","10","2","8","3","1") = "9"
    & skf18("9","1","10","2","8","4","1") = "9"
    & skf18("9","1","10","2","8","5","1") = "9"
    & skf18("9","1","10","2","8","6","1") = "9"
    & skf18("9","1","10","2","8","7","1") = "9"
    & skf18("9","1","10","2","8","8","1") = "9"
    & skf18("9","1","10","2","8","9","1") = "9"
    & skf18("9","1","10","2","8","10","1") = "9"
    & skf18("9","1","10","2","9","1","1") = "9"
    & skf18("9","1","10","2","9","2","1") = "9"
    & skf18("9","1","10","2","9","3","1") = "9"
    & skf18("9","1","10","2","9","4","1") = "9"
    & skf18("9","1","10","2","9","5","1") = "9"
    & skf18("9","1","10","2","9","6","1") = "9"
    & skf18("9","1","10","2","9","7","1") = "9"
    & skf18("9","1","10","2","9","8","1") = "9"
    & skf18("9","1","10","2","9","9","1") = "9"
    & skf18("9","1","10","2","9","10","1") = "9"
    & skf18("9","1","10","2","10","1","1") = "9"
    & skf18("9","1","10","2","10","2","1") = "9"
    & skf18("9","1","10","2","10","3","1") = "9"
    & skf18("9","1","10","2","10","4","1") = "9"
    & skf18("9","1","10","2","10","5","1") = "9"
    & skf18("9","1","10","2","10","6","1") = "9"
    & skf18("9","1","10","2","10","7","1") = "9"
    & skf18("9","1","10","2","10","8","1") = "9"
    & skf18("9","1","10","2","10","9","1") = "9"
    & skf18("9","1","10","2","10","10","1") = "9"
    & skf18("9","1","10","3","1","1","1") = "9"
    & skf18("9","1","10","3","1","2","1") = "9"
    & skf18("9","1","10","3","1","3","1") = "9"
    & skf18("9","1","10","3","1","4","1") = "9"
    & skf18("9","1","10","3","1","5","1") = "9"
    & skf18("9","1","10","3","1","6","1") = "9"
    & skf18("9","1","10","3","1","7","1") = "9"
    & skf18("9","1","10","3","1","8","1") = "9"
    & skf18("9","1","10","3","1","9","1") = "9"
    & skf18("9","1","10","3","1","10","1") = "9"
    & skf18("9","1","10","3","2","1","1") = "9"
    & skf18("9","1","10","3","2","2","1") = "9"
    & skf18("9","1","10","3","2","3","1") = "9"
    & skf18("9","1","10","3","2","4","1") = "9"
    & skf18("9","1","10","3","2","5","1") = "9"
    & skf18("9","1","10","3","2","6","1") = "9"
    & skf18("9","1","10","3","2","7","1") = "9"
    & skf18("9","1","10","3","2","8","1") = "9"
    & skf18("9","1","10","3","2","9","1") = "9"
    & skf18("9","1","10","3","2","10","1") = "9"
    & skf18("9","1","10","3","3","1","1") = "9"
    & skf18("9","1","10","3","3","2","1") = "9"
    & skf18("9","1","10","3","3","3","1") = "9"
    & skf18("9","1","10","3","3","4","1") = "9"
    & skf18("9","1","10","3","3","5","1") = "9"
    & skf18("9","1","10","3","3","6","1") = "9"
    & skf18("9","1","10","3","3","7","1") = "9"
    & skf18("9","1","10","3","3","8","1") = "9"
    & skf18("9","1","10","3","3","9","1") = "9"
    & skf18("9","1","10","3","3","10","1") = "9"
    & skf18("9","1","10","3","4","1","1") = "9"
    & skf18("9","1","10","3","4","2","1") = "9"
    & skf18("9","1","10","3","4","3","1") = "9"
    & skf18("9","1","10","3","4","4","1") = "9"
    & skf18("9","1","10","3","4","5","1") = "9"
    & skf18("9","1","10","3","4","6","1") = "9"
    & skf18("9","1","10","3","4","7","1") = "9"
    & skf18("9","1","10","3","4","8","1") = "9"
    & skf18("9","1","10","3","4","9","1") = "9"
    & skf18("9","1","10","3","4","10","1") = "9"
    & skf18("9","1","10","3","5","1","1") = "9"
    & skf18("9","1","10","3","5","2","1") = "9"
    & skf18("9","1","10","3","5","3","1") = "9"
    & skf18("9","1","10","3","5","4","1") = "9"
    & skf18("9","1","10","3","5","5","1") = "9"
    & skf18("9","1","10","3","5","6","1") = "9"
    & skf18("9","1","10","3","5","7","1") = "9"
    & skf18("9","1","10","3","5","8","1") = "9"
    & skf18("9","1","10","3","5","9","1") = "9"
    & skf18("9","1","10","3","5","10","1") = "9"
    & skf18("9","1","10","3","6","1","1") = "9"
    & skf18("9","1","10","3","6","2","1") = "9"
    & skf18("9","1","10","3","6","3","1") = "9"
    & skf18("9","1","10","3","6","4","1") = "9"
    & skf18("9","1","10","3","6","5","1") = "9"
    & skf18("9","1","10","3","6","6","1") = "9"
    & skf18("9","1","10","3","6","7","1") = "9"
    & skf18("9","1","10","3","6","8","1") = "9"
    & skf18("9","1","10","3","6","9","1") = "9"
    & skf18("9","1","10","3","6","10","1") = "9"
    & skf18("9","1","10","3","7","1","1") = "9"
    & skf18("9","1","10","3","7","2","1") = "9"
    & skf18("9","1","10","3","7","3","1") = "9"
    & skf18("9","1","10","3","7","4","1") = "9"
    & skf18("9","1","10","3","7","5","1") = "9"
    & skf18("9","1","10","3","7","6","1") = "9"
    & skf18("9","1","10","3","7","7","1") = "9"
    & skf18("9","1","10","3","7","8","1") = "9"
    & skf18("9","1","10","3","7","9","1") = "9"
    & skf18("9","1","10","3","7","10","1") = "9"
    & skf18("9","1","10","3","8","1","1") = "9"
    & skf18("9","1","10","3","8","2","1") = "9"
    & skf18("9","1","10","3","8","3","1") = "9"
    & skf18("9","1","10","3","8","4","1") = "9"
    & skf18("9","1","10","3","8","5","1") = "9"
    & skf18("9","1","10","3","8","6","1") = "9"
    & skf18("9","1","10","3","8","7","1") = "9"
    & skf18("9","1","10","3","8","8","1") = "9"
    & skf18("9","1","10","3","8","9","1") = "9"
    & skf18("9","1","10","3","8","10","1") = "9"
    & skf18("9","1","10","3","9","1","1") = "9"
    & skf18("9","1","10","3","9","2","1") = "9"
    & skf18("9","1","10","3","9","3","1") = "9"
    & skf18("9","1","10","3","9","4","1") = "9"
    & skf18("9","1","10","3","9","5","1") = "9"
    & skf18("9","1","10","3","9","6","1") = "9"
    & skf18("9","1","10","3","9","7","1") = "9"
    & skf18("9","1","10","3","9","8","1") = "9"
    & skf18("9","1","10","3","9","9","1") = "9"
    & skf18("9","1","10","3","9","10","1") = "9"
    & skf18("9","1","10","3","10","1","1") = "9"
    & skf18("9","1","10","3","10","2","1") = "9"
    & skf18("9","1","10","3","10","3","1") = "9"
    & skf18("9","1","10","3","10","4","1") = "9"
    & skf18("9","1","10","3","10","5","1") = "9"
    & skf18("9","1","10","3","10","6","1") = "9"
    & skf18("9","1","10","3","10","7","1") = "9"
    & skf18("9","1","10","3","10","8","1") = "9"
    & skf18("9","1","10","3","10","9","1") = "9"
    & skf18("9","1","10","3","10","10","1") = "9"
    & skf18("9","1","10","4","1","1","1") = "9"
    & skf18("9","1","10","4","1","2","1") = "9"
    & skf18("9","1","10","4","1","3","1") = "9"
    & skf18("9","1","10","4","1","4","1") = "9"
    & skf18("9","1","10","4","1","5","1") = "9"
    & skf18("9","1","10","4","1","6","1") = "9"
    & skf18("9","1","10","4","1","7","1") = "9"
    & skf18("9","1","10","4","1","8","1") = "9"
    & skf18("9","1","10","4","1","9","1") = "9"
    & skf18("9","1","10","4","1","10","1") = "9"
    & skf18("9","1","10","4","2","1","1") = "9"
    & skf18("9","1","10","4","2","2","1") = "9"
    & skf18("9","1","10","4","2","3","1") = "9"
    & skf18("9","1","10","4","2","4","1") = "9"
    & skf18("9","1","10","4","2","5","1") = "9"
    & skf18("9","1","10","4","2","6","1") = "9"
    & skf18("9","1","10","4","2","7","1") = "9"
    & skf18("9","1","10","4","2","8","1") = "9"
    & skf18("9","1","10","4","2","9","1") = "9"
    & skf18("9","1","10","4","2","10","1") = "9"
    & skf18("9","1","10","4","3","1","1") = "9"
    & skf18("9","1","10","4","3","2","1") = "9"
    & skf18("9","1","10","4","3","3","1") = "9"
    & skf18("9","1","10","4","3","4","1") = "9"
    & skf18("9","1","10","4","3","5","1") = "9"
    & skf18("9","1","10","4","3","6","1") = "9"
    & skf18("9","1","10","4","3","7","1") = "9"
    & skf18("9","1","10","4","3","8","1") = "9"
    & skf18("9","1","10","4","3","9","1") = "9"
    & skf18("9","1","10","4","3","10","1") = "9"
    & skf18("9","1","10","4","4","1","1") = "9"
    & skf18("9","1","10","4","4","2","1") = "9"
    & skf18("9","1","10","4","4","3","1") = "9"
    & skf18("9","1","10","4","4","4","1") = "9"
    & skf18("9","1","10","4","4","5","1") = "9"
    & skf18("9","1","10","4","4","6","1") = "9"
    & skf18("9","1","10","4","4","7","1") = "9"
    & skf18("9","1","10","4","4","8","1") = "9"
    & skf18("9","1","10","4","4","9","1") = "9"
    & skf18("9","1","10","4","4","10","1") = "9"
    & skf18("9","1","10","4","5","1","1") = "9"
    & skf18("9","1","10","4","5","2","1") = "9"
    & skf18("9","1","10","4","5","3","1") = "9"
    & skf18("9","1","10","4","5","4","1") = "9"
    & skf18("9","1","10","4","5","5","1") = "9"
    & skf18("9","1","10","4","5","6","1") = "9"
    & skf18("9","1","10","4","5","7","1") = "9"
    & skf18("9","1","10","4","5","8","1") = "9"
    & skf18("9","1","10","4","5","9","1") = "9"
    & skf18("9","1","10","4","5","10","1") = "9"
    & skf18("9","1","10","4","6","1","1") = "9"
    & skf18("9","1","10","4","6","2","1") = "9"
    & skf18("9","1","10","4","6","3","1") = "9"
    & skf18("9","1","10","4","6","4","1") = "9"
    & skf18("9","1","10","4","6","5","1") = "9"
    & skf18("9","1","10","4","6","6","1") = "9"
    & skf18("9","1","10","4","6","7","1") = "9"
    & skf18("9","1","10","4","6","8","1") = "9"
    & skf18("9","1","10","4","6","9","1") = "9"
    & skf18("9","1","10","4","6","10","1") = "9"
    & skf18("9","1","10","4","7","1","1") = "9"
    & skf18("9","1","10","4","7","2","1") = "9"
    & skf18("9","1","10","4","7","3","1") = "9"
    & skf18("9","1","10","4","7","4","1") = "9"
    & skf18("9","1","10","4","7","5","1") = "9"
    & skf18("9","1","10","4","7","6","1") = "9"
    & skf18("9","1","10","4","7","7","1") = "9"
    & skf18("9","1","10","4","7","8","1") = "9"
    & skf18("9","1","10","4","7","9","1") = "9"
    & skf18("9","1","10","4","7","10","1") = "9"
    & skf18("9","1","10","4","8","1","1") = "9"
    & skf18("9","1","10","4","8","2","1") = "9"
    & skf18("9","1","10","4","8","3","1") = "9"
    & skf18("9","1","10","4","8","4","1") = "9"
    & skf18("9","1","10","4","8","5","1") = "9"
    & skf18("9","1","10","4","8","6","1") = "9"
    & skf18("9","1","10","4","8","7","1") = "9"
    & skf18("9","1","10","4","8","8","1") = "9"
    & skf18("9","1","10","4","8","9","1") = "9"
    & skf18("9","1","10","4","8","10","1") = "9"
    & skf18("9","1","10","4","9","1","1") = "9"
    & skf18("9","1","10","4","9","2","1") = "9"
    & skf18("9","1","10","4","9","3","1") = "9"
    & skf18("9","1","10","4","9","4","1") = "9"
    & skf18("9","1","10","4","9","5","1") = "9"
    & skf18("9","1","10","4","9","6","1") = "9"
    & skf18("9","1","10","4","9","7","1") = "9"
    & skf18("9","1","10","4","9","8","1") = "9"
    & skf18("9","1","10","4","9","9","1") = "9"
    & skf18("9","1","10","4","9","10","1") = "9"
    & skf18("9","1","10","4","10","1","1") = "9"
    & skf18("9","1","10","4","10","2","1") = "9"
    & skf18("9","1","10","4","10","3","1") = "9"
    & skf18("9","1","10","4","10","4","1") = "9"
    & skf18("9","1","10","4","10","5","1") = "9"
    & skf18("9","1","10","4","10","6","1") = "9"
    & skf18("9","1","10","4","10","7","1") = "9"
    & skf18("9","1","10","4","10","8","1") = "9"
    & skf18("9","1","10","4","10","9","1") = "9"
    & skf18("9","1","10","4","10","10","1") = "9"
    & skf18("9","1","10","5","1","1","1") = "9"
    & skf18("9","1","10","5","1","2","1") = "9"
    & skf18("9","1","10","5","1","3","1") = "9"
    & skf18("9","1","10","5","1","4","1") = "9"
    & skf18("9","1","10","5","1","5","1") = "9"
    & skf18("9","1","10","5","1","6","1") = "9"
    & skf18("9","1","10","5","1","7","1") = "9"
    & skf18("9","1","10","5","1","8","1") = "9"
    & skf18("9","1","10","5","1","9","1") = "9"
    & skf18("9","1","10","5","1","10","1") = "9"
    & skf18("9","1","10","5","2","1","1") = "9"
    & skf18("9","1","10","5","2","2","1") = "9"
    & skf18("9","1","10","5","2","3","1") = "9"
    & skf18("9","1","10","5","2","4","1") = "9"
    & skf18("9","1","10","5","2","5","1") = "9"
    & skf18("9","1","10","5","2","6","1") = "9"
    & skf18("9","1","10","5","2","7","1") = "9"
    & skf18("9","1","10","5","2","8","1") = "9"
    & skf18("9","1","10","5","2","9","1") = "9"
    & skf18("9","1","10","5","2","10","1") = "9"
    & skf18("9","1","10","5","3","1","1") = "9"
    & skf18("9","1","10","5","3","2","1") = "9"
    & skf18("9","1","10","5","3","3","1") = "9"
    & skf18("9","1","10","5","3","4","1") = "9"
    & skf18("9","1","10","5","3","5","1") = "9"
    & skf18("9","1","10","5","3","6","1") = "9"
    & skf18("9","1","10","5","3","7","1") = "9"
    & skf18("9","1","10","5","3","8","1") = "9"
    & skf18("9","1","10","5","3","9","1") = "9"
    & skf18("9","1","10","5","3","10","1") = "9"
    & skf18("9","1","10","5","4","1","1") = "9"
    & skf18("9","1","10","5","4","2","1") = "9"
    & skf18("9","1","10","5","4","3","1") = "9"
    & skf18("9","1","10","5","4","4","1") = "9"
    & skf18("9","1","10","5","4","5","1") = "9"
    & skf18("9","1","10","5","4","6","1") = "9"
    & skf18("9","1","10","5","4","7","1") = "9"
    & skf18("9","1","10","5","4","8","1") = "9"
    & skf18("9","1","10","5","4","9","1") = "9"
    & skf18("9","1","10","5","4","10","1") = "9"
    & skf18("9","1","10","5","5","1","1") = "9"
    & skf18("9","1","10","5","5","2","1") = "9"
    & skf18("9","1","10","5","5","3","1") = "9"
    & skf18("9","1","10","5","5","4","1") = "9"
    & skf18("9","1","10","5","5","5","1") = "9"
    & skf18("9","1","10","5","5","6","1") = "9"
    & skf18("9","1","10","5","5","7","1") = "9"
    & skf18("9","1","10","5","5","8","1") = "9"
    & skf18("9","1","10","5","5","9","1") = "9"
    & skf18("9","1","10","5","5","10","1") = "9"
    & skf18("9","1","10","5","6","1","1") = "9"
    & skf18("9","1","10","5","6","2","1") = "9"
    & skf18("9","1","10","5","6","3","1") = "9"
    & skf18("9","1","10","5","6","4","1") = "9"
    & skf18("9","1","10","5","6","5","1") = "9"
    & skf18("9","1","10","5","6","6","1") = "9"
    & skf18("9","1","10","5","6","7","1") = "9"
    & skf18("9","1","10","5","6","8","1") = "9"
    & skf18("9","1","10","5","6","9","1") = "9"
    & skf18("9","1","10","5","6","10","1") = "9"
    & skf18("9","1","10","5","7","1","1") = "9"
    & skf18("9","1","10","5","7","2","1") = "9"
    & skf18("9","1","10","5","7","3","1") = "9"
    & skf18("9","1","10","5","7","4","1") = "9"
    & skf18("9","1","10","5","7","5","1") = "9"
    & skf18("9","1","10","5","7","6","1") = "9"
    & skf18("9","1","10","5","7","7","1") = "9"
    & skf18("9","1","10","5","7","8","1") = "9"
    & skf18("9","1","10","5","7","9","1") = "9"
    & skf18("9","1","10","5","7","10","1") = "9"
    & skf18("9","1","10","5","8","1","1") = "9"
    & skf18("9","1","10","5","8","2","1") = "9"
    & skf18("9","1","10","5","8","3","1") = "9"
    & skf18("9","1","10","5","8","4","1") = "9"
    & skf18("9","1","10","5","8","5","1") = "9"
    & skf18("9","1","10","5","8","6","1") = "9"
    & skf18("9","1","10","5","8","7","1") = "9"
    & skf18("9","1","10","5","8","8","1") = "9"
    & skf18("9","1","10","5","8","9","1") = "9"
    & skf18("9","1","10","5","8","10","1") = "9"
    & skf18("9","1","10","5","9","1","1") = "9"
    & skf18("9","1","10","5","9","2","1") = "9"
    & skf18("9","1","10","5","9","3","1") = "9"
    & skf18("9","1","10","5","9","4","1") = "9"
    & skf18("9","1","10","5","9","5","1") = "9"
    & skf18("9","1","10","5","9","6","1") = "9"
    & skf18("9","1","10","5","9","7","1") = "9"
    & skf18("9","1","10","5","9","8","1") = "9"
    & skf18("9","1","10","5","9","9","1") = "9"
    & skf18("9","1","10","5","9","10","1") = "9"
    & skf18("9","1","10","5","10","1","1") = "9"
    & skf18("9","1","10","5","10","2","1") = "9"
    & skf18("9","1","10","5","10","3","1") = "9"
    & skf18("9","1","10","5","10","4","1") = "9"
    & skf18("9","1","10","5","10","5","1") = "9"
    & skf18("9","1","10","5","10","6","1") = "9"
    & skf18("9","1","10","5","10","7","1") = "9"
    & skf18("9","1","10","5","10","8","1") = "9"
    & skf18("9","1","10","5","10","9","1") = "9"
    & skf18("9","1","10","5","10","10","1") = "9"
    & skf18("9","1","10","6","1","1","1") = "9"
    & skf18("9","1","10","6","1","2","1") = "9"
    & skf18("9","1","10","6","1","3","1") = "9"
    & skf18("9","1","10","6","1","4","1") = "9"
    & skf18("9","1","10","6","1","5","1") = "9"
    & skf18("9","1","10","6","1","6","1") = "9"
    & skf18("9","1","10","6","1","7","1") = "9"
    & skf18("9","1","10","6","1","8","1") = "9"
    & skf18("9","1","10","6","1","9","1") = "9"
    & skf18("9","1","10","6","1","10","1") = "9"
    & skf18("9","1","10","6","2","1","1") = "9"
    & skf18("9","1","10","6","2","2","1") = "9"
    & skf18("9","1","10","6","2","3","1") = "9"
    & skf18("9","1","10","6","2","4","1") = "9"
    & skf18("9","1","10","6","2","5","1") = "9"
    & skf18("9","1","10","6","2","6","1") = "9"
    & skf18("9","1","10","6","2","7","1") = "9"
    & skf18("9","1","10","6","2","8","1") = "9"
    & skf18("9","1","10","6","2","9","1") = "9"
    & skf18("9","1","10","6","2","10","1") = "9"
    & skf18("9","1","10","6","3","1","1") = "9"
    & skf18("9","1","10","6","3","2","1") = "9"
    & skf18("9","1","10","6","3","3","1") = "9"
    & skf18("9","1","10","6","3","4","1") = "9"
    & skf18("9","1","10","6","3","5","1") = "9"
    & skf18("9","1","10","6","3","6","1") = "9"
    & skf18("9","1","10","6","3","7","1") = "9"
    & skf18("9","1","10","6","3","8","1") = "9"
    & skf18("9","1","10","6","3","9","1") = "9"
    & skf18("9","1","10","6","3","10","1") = "9"
    & skf18("9","1","10","6","4","1","1") = "9"
    & skf18("9","1","10","6","4","2","1") = "9"
    & skf18("9","1","10","6","4","3","1") = "9"
    & skf18("9","1","10","6","4","4","1") = "9"
    & skf18("9","1","10","6","4","5","1") = "9"
    & skf18("9","1","10","6","4","6","1") = "9"
    & skf18("9","1","10","6","4","7","1") = "9"
    & skf18("9","1","10","6","4","8","1") = "9"
    & skf18("9","1","10","6","4","9","1") = "9"
    & skf18("9","1","10","6","4","10","1") = "9"
    & skf18("9","1","10","6","5","1","1") = "9"
    & skf18("9","1","10","6","5","2","1") = "9"
    & skf18("9","1","10","6","5","3","1") = "9"
    & skf18("9","1","10","6","5","4","1") = "9"
    & skf18("9","1","10","6","5","5","1") = "9"
    & skf18("9","1","10","6","5","6","1") = "9"
    & skf18("9","1","10","6","5","7","1") = "9"
    & skf18("9","1","10","6","5","8","1") = "9"
    & skf18("9","1","10","6","5","9","1") = "9"
    & skf18("9","1","10","6","5","10","1") = "9"
    & skf18("9","1","10","6","6","1","1") = "9"
    & skf18("9","1","10","6","6","2","1") = "9"
    & skf18("9","1","10","6","6","3","1") = "9"
    & skf18("9","1","10","6","6","4","1") = "9"
    & skf18("9","1","10","6","6","5","1") = "9"
    & skf18("9","1","10","6","6","6","1") = "9"
    & skf18("9","1","10","6","6","7","1") = "9"
    & skf18("9","1","10","6","6","8","1") = "9"
    & skf18("9","1","10","6","6","9","1") = "9"
    & skf18("9","1","10","6","6","10","1") = "9"
    & skf18("9","1","10","6","7","1","1") = "9"
    & skf18("9","1","10","6","7","2","1") = "9"
    & skf18("9","1","10","6","7","3","1") = "9"
    & skf18("9","1","10","6","7","4","1") = "9"
    & skf18("9","1","10","6","7","5","1") = "9"
    & skf18("9","1","10","6","7","6","1") = "9"
    & skf18("9","1","10","6","7","7","1") = "9"
    & skf18("9","1","10","6","7","8","1") = "9"
    & skf18("9","1","10","6","7","9","1") = "9"
    & skf18("9","1","10","6","7","10","1") = "9"
    & skf18("9","1","10","6","8","1","1") = "9"
    & skf18("9","1","10","6","8","2","1") = "9"
    & skf18("9","1","10","6","8","3","1") = "9"
    & skf18("9","1","10","6","8","4","1") = "9"
    & skf18("9","1","10","6","8","5","1") = "9"
    & skf18("9","1","10","6","8","6","1") = "9"
    & skf18("9","1","10","6","8","7","1") = "9"
    & skf18("9","1","10","6","8","8","1") = "9"
    & skf18("9","1","10","6","8","9","1") = "9"
    & skf18("9","1","10","6","8","10","1") = "9"
    & skf18("9","1","10","6","9","1","1") = "9"
    & skf18("9","1","10","6","9","2","1") = "9"
    & skf18("9","1","10","6","9","3","1") = "9"
    & skf18("9","1","10","6","9","4","1") = "9"
    & skf18("9","1","10","6","9","5","1") = "9"
    & skf18("9","1","10","6","9","6","1") = "9"
    & skf18("9","1","10","6","9","7","1") = "9"
    & skf18("9","1","10","6","9","8","1") = "9"
    & skf18("9","1","10","6","9","9","1") = "9"
    & skf18("9","1","10","6","9","10","1") = "9"
    & skf18("9","1","10","6","10","1","1") = "9"
    & skf18("9","1","10","6","10","2","1") = "9"
    & skf18("9","1","10","6","10","3","1") = "9"
    & skf18("9","1","10","6","10","4","1") = "9"
    & skf18("9","1","10","6","10","5","1") = "9"
    & skf18("9","1","10","6","10","6","1") = "9"
    & skf18("9","1","10","6","10","7","1") = "9"
    & skf18("9","1","10","6","10","8","1") = "9"
    & skf18("9","1","10","6","10","9","1") = "9"
    & skf18("9","1","10","6","10","10","1") = "9"
    & skf18("9","1","10","7","1","1","1") = "9"
    & skf18("9","1","10","7","1","2","1") = "9"
    & skf18("9","1","10","7","1","3","1") = "9"
    & skf18("9","1","10","7","1","4","1") = "9"
    & skf18("9","1","10","7","1","5","1") = "9"
    & skf18("9","1","10","7","1","6","1") = "9"
    & skf18("9","1","10","7","1","7","1") = "9"
    & skf18("9","1","10","7","1","8","1") = "9"
    & skf18("9","1","10","7","1","9","1") = "9"
    & skf18("9","1","10","7","1","10","1") = "9"
    & skf18("9","1","10","7","2","1","1") = "9"
    & skf18("9","1","10","7","2","2","1") = "9"
    & skf18("9","1","10","7","2","3","1") = "9"
    & skf18("9","1","10","7","2","4","1") = "9"
    & skf18("9","1","10","7","2","5","1") = "9"
    & skf18("9","1","10","7","2","6","1") = "9"
    & skf18("9","1","10","7","2","7","1") = "9"
    & skf18("9","1","10","7","2","8","1") = "9"
    & skf18("9","1","10","7","2","9","1") = "9"
    & skf18("9","1","10","7","2","10","1") = "9"
    & skf18("9","1","10","7","3","1","1") = "9"
    & skf18("9","1","10","7","3","2","1") = "9"
    & skf18("9","1","10","7","3","3","1") = "9"
    & skf18("9","1","10","7","3","4","1") = "9"
    & skf18("9","1","10","7","3","5","1") = "9"
    & skf18("9","1","10","7","3","6","1") = "9"
    & skf18("9","1","10","7","3","7","1") = "9"
    & skf18("9","1","10","7","3","8","1") = "9"
    & skf18("9","1","10","7","3","9","1") = "9"
    & skf18("9","1","10","7","3","10","1") = "9"
    & skf18("9","1","10","7","4","1","1") = "9"
    & skf18("9","1","10","7","4","2","1") = "9"
    & skf18("9","1","10","7","4","3","1") = "9"
    & skf18("9","1","10","7","4","4","1") = "9"
    & skf18("9","1","10","7","4","5","1") = "9"
    & skf18("9","1","10","7","4","6","1") = "9"
    & skf18("9","1","10","7","4","7","1") = "9"
    & skf18("9","1","10","7","4","8","1") = "9"
    & skf18("9","1","10","7","4","9","1") = "9"
    & skf18("9","1","10","7","4","10","1") = "9"
    & skf18("9","1","10","7","5","1","1") = "9"
    & skf18("9","1","10","7","5","2","1") = "9"
    & skf18("9","1","10","7","5","3","1") = "9"
    & skf18("9","1","10","7","5","4","1") = "9"
    & skf18("9","1","10","7","5","5","1") = "9"
    & skf18("9","1","10","7","5","6","1") = "9"
    & skf18("9","1","10","7","5","7","1") = "9"
    & skf18("9","1","10","7","5","8","1") = "9"
    & skf18("9","1","10","7","5","9","1") = "9"
    & skf18("9","1","10","7","5","10","1") = "9"
    & skf18("9","1","10","7","6","1","1") = "9"
    & skf18("9","1","10","7","6","2","1") = "9"
    & skf18("9","1","10","7","6","3","1") = "9"
    & skf18("9","1","10","7","6","4","1") = "9"
    & skf18("9","1","10","7","6","5","1") = "9"
    & skf18("9","1","10","7","6","6","1") = "9"
    & skf18("9","1","10","7","6","7","1") = "9"
    & skf18("9","1","10","7","6","8","1") = "9"
    & skf18("9","1","10","7","6","9","1") = "9"
    & skf18("9","1","10","7","6","10","1") = "9"
    & skf18("9","1","10","7","7","1","1") = "9"
    & skf18("9","1","10","7","7","2","1") = "9"
    & skf18("9","1","10","7","7","3","1") = "9"
    & skf18("9","1","10","7","7","4","1") = "9"
    & skf18("9","1","10","7","7","5","1") = "9"
    & skf18("9","1","10","7","7","6","1") = "9"
    & skf18("9","1","10","7","7","7","1") = "9"
    & skf18("9","1","10","7","7","8","1") = "9"
    & skf18("9","1","10","7","7","9","1") = "9"
    & skf18("9","1","10","7","7","10","1") = "9"
    & skf18("9","1","10","7","8","1","1") = "9"
    & skf18("9","1","10","7","8","2","1") = "9"
    & skf18("9","1","10","7","8","3","1") = "9"
    & skf18("9","1","10","7","8","4","1") = "9"
    & skf18("9","1","10","7","8","5","1") = "9"
    & skf18("9","1","10","7","8","6","1") = "9"
    & skf18("9","1","10","7","8","7","1") = "9"
    & skf18("9","1","10","7","8","8","1") = "9"
    & skf18("9","1","10","7","8","9","1") = "9"
    & skf18("9","1","10","7","8","10","1") = "9"
    & skf18("9","1","10","7","9","1","1") = "9"
    & skf18("9","1","10","7","9","2","1") = "9"
    & skf18("9","1","10","7","9","3","1") = "9"
    & skf18("9","1","10","7","9","4","1") = "9"
    & skf18("9","1","10","7","9","5","1") = "9"
    & skf18("9","1","10","7","9","6","1") = "9"
    & skf18("9","1","10","7","9","7","1") = "9"
    & skf18("9","1","10","7","9","8","1") = "9"
    & skf18("9","1","10","7","9","9","1") = "9"
    & skf18("9","1","10","7","9","10","1") = "9"
    & skf18("9","1","10","7","10","1","1") = "9"
    & skf18("9","1","10","7","10","2","1") = "9"
    & skf18("9","1","10","7","10","3","1") = "9"
    & skf18("9","1","10","7","10","4","1") = "9"
    & skf18("9","1","10","7","10","5","1") = "9"
    & skf18("9","1","10","7","10","6","1") = "9"
    & skf18("9","1","10","7","10","7","1") = "9"
    & skf18("9","1","10","7","10","8","1") = "9"
    & skf18("9","1","10","7","10","9","1") = "9"
    & skf18("9","1","10","7","10","10","1") = "9"
    & skf18("9","1","10","8","1","1","1") = "9"
    & skf18("9","1","10","8","1","2","1") = "9"
    & skf18("9","1","10","8","1","3","1") = "9"
    & skf18("9","1","10","8","1","4","1") = "9"
    & skf18("9","1","10","8","1","5","1") = "9"
    & skf18("9","1","10","8","1","6","1") = "9"
    & skf18("9","1","10","8","1","7","1") = "9"
    & skf18("9","1","10","8","1","8","1") = "9"
    & skf18("9","1","10","8","1","9","1") = "9"
    & skf18("9","1","10","8","1","10","1") = "9"
    & skf18("9","1","10","8","2","1","1") = "9"
    & skf18("9","1","10","8","2","2","1") = "9"
    & skf18("9","1","10","8","2","3","1") = "9"
    & skf18("9","1","10","8","2","4","1") = "9"
    & skf18("9","1","10","8","2","5","1") = "9"
    & skf18("9","1","10","8","2","6","1") = "9"
    & skf18("9","1","10","8","2","7","1") = "9"
    & skf18("9","1","10","8","2","8","1") = "9"
    & skf18("9","1","10","8","2","9","1") = "9"
    & skf18("9","1","10","8","2","10","1") = "9"
    & skf18("9","1","10","8","3","1","1") = "9"
    & skf18("9","1","10","8","3","2","1") = "9"
    & skf18("9","1","10","8","3","3","1") = "9"
    & skf18("9","1","10","8","3","4","1") = "9"
    & skf18("9","1","10","8","3","5","1") = "9"
    & skf18("9","1","10","8","3","6","1") = "9"
    & skf18("9","1","10","8","3","7","1") = "9"
    & skf18("9","1","10","8","3","8","1") = "9"
    & skf18("9","1","10","8","3","9","1") = "9"
    & skf18("9","1","10","8","3","10","1") = "9"
    & skf18("9","1","10","8","4","1","1") = "9"
    & skf18("9","1","10","8","4","2","1") = "9"
    & skf18("9","1","10","8","4","3","1") = "9"
    & skf18("9","1","10","8","4","4","1") = "9"
    & skf18("9","1","10","8","4","5","1") = "9"
    & skf18("9","1","10","8","4","6","1") = "9"
    & skf18("9","1","10","8","4","7","1") = "9"
    & skf18("9","1","10","8","4","8","1") = "9"
    & skf18("9","1","10","8","4","9","1") = "9"
    & skf18("9","1","10","8","4","10","1") = "9"
    & skf18("9","1","10","8","5","1","1") = "9"
    & skf18("9","1","10","8","5","2","1") = "9"
    & skf18("9","1","10","8","5","3","1") = "9"
    & skf18("9","1","10","8","5","4","1") = "9"
    & skf18("9","1","10","8","5","5","1") = "9"
    & skf18("9","1","10","8","5","6","1") = "9"
    & skf18("9","1","10","8","5","7","1") = "9"
    & skf18("9","1","10","8","5","8","1") = "9"
    & skf18("9","1","10","8","5","9","1") = "9"
    & skf18("9","1","10","8","5","10","1") = "9"
    & skf18("9","1","10","8","6","1","1") = "9"
    & skf18("9","1","10","8","6","2","1") = "9"
    & skf18("9","1","10","8","6","3","1") = "9"
    & skf18("9","1","10","8","6","4","1") = "9"
    & skf18("9","1","10","8","6","5","1") = "9"
    & skf18("9","1","10","8","6","6","1") = "9"
    & skf18("9","1","10","8","6","7","1") = "9"
    & skf18("9","1","10","8","6","8","1") = "9"
    & skf18("9","1","10","8","6","9","1") = "9"
    & skf18("9","1","10","8","6","10","1") = "9"
    & skf18("9","1","10","8","7","1","1") = "9"
    & skf18("9","1","10","8","7","2","1") = "9"
    & skf18("9","1","10","8","7","3","1") = "9"
    & skf18("9","1","10","8","7","4","1") = "9"
    & skf18("9","1","10","8","7","5","1") = "9"
    & skf18("9","1","10","8","7","6","1") = "9"
    & skf18("9","1","10","8","7","7","1") = "9"
    & skf18("9","1","10","8","7","8","1") = "9"
    & skf18("9","1","10","8","7","9","1") = "9"
    & skf18("9","1","10","8","7","10","1") = "9"
    & skf18("9","1","10","8","8","1","1") = "9"
    & skf18("9","1","10","8","8","2","1") = "9"
    & skf18("9","1","10","8","8","3","1") = "9"
    & skf18("9","1","10","8","8","4","1") = "9"
    & skf18("9","1","10","8","8","5","1") = "9"
    & skf18("9","1","10","8","8","6","1") = "9"
    & skf18("9","1","10","8","8","7","1") = "9"
    & skf18("9","1","10","8","8","8","1") = "9"
    & skf18("9","1","10","8","8","9","1") = "9"
    & skf18("9","1","10","8","8","10","1") = "9"
    & skf18("9","1","10","8","9","1","1") = "9"
    & skf18("9","1","10","8","9","2","1") = "9"
    & skf18("9","1","10","8","9","3","1") = "9"
    & skf18("9","1","10","8","9","4","1") = "9"
    & skf18("9","1","10","8","9","5","1") = "9"
    & skf18("9","1","10","8","9","6","1") = "9"
    & skf18("9","1","10","8","9","7","1") = "9"
    & skf18("9","1","10","8","9","8","1") = "9"
    & skf18("9","1","10","8","9","9","1") = "9"
    & skf18("9","1","10","8","9","10","1") = "9"
    & skf18("9","1","10","8","10","1","1") = "9"
    & skf18("9","1","10","8","10","2","1") = "9"
    & skf18("9","1","10","8","10","3","1") = "9"
    & skf18("9","1","10","8","10","4","1") = "9"
    & skf18("9","1","10","8","10","5","1") = "9"
    & skf18("9","1","10","8","10","6","1") = "9"
    & skf18("9","1","10","8","10","7","1") = "9"
    & skf18("9","1","10","8","10","8","1") = "9"
    & skf18("9","1","10","8","10","9","1") = "9"
    & skf18("9","1","10","8","10","10","1") = "9"
    & skf18("9","1","10","9","1","1","1") = "9"
    & skf18("9","1","10","9","1","2","1") = "9"
    & skf18("9","1","10","9","1","3","1") = "9"
    & skf18("9","1","10","9","1","4","1") = "9"
    & skf18("9","1","10","9","1","5","1") = "9"
    & skf18("9","1","10","9","1","6","1") = "9"
    & skf18("9","1","10","9","1","7","1") = "9"
    & skf18("9","1","10","9","1","8","1") = "9"
    & skf18("9","1","10","9","1","9","1") = "9"
    & skf18("9","1","10","9","1","10","1") = "9"
    & skf18("9","1","10","9","2","1","1") = "9"
    & skf18("9","1","10","9","2","2","1") = "9"
    & skf18("9","1","10","9","2","3","1") = "9"
    & skf18("9","1","10","9","2","4","1") = "9"
    & skf18("9","1","10","9","2","5","1") = "9"
    & skf18("9","1","10","9","2","6","1") = "9"
    & skf18("9","1","10","9","2","7","1") = "9"
    & skf18("9","1","10","9","2","8","1") = "9"
    & skf18("9","1","10","9","2","9","1") = "9"
    & skf18("9","1","10","9","2","10","1") = "9"
    & skf18("9","1","10","9","3","1","1") = "9"
    & skf18("9","1","10","9","3","2","1") = "9"
    & skf18("9","1","10","9","3","3","1") = "9"
    & skf18("9","1","10","9","3","4","1") = "9"
    & skf18("9","1","10","9","3","5","1") = "9"
    & skf18("9","1","10","9","3","6","1") = "9"
    & skf18("9","1","10","9","3","7","1") = "9"
    & skf18("9","1","10","9","3","8","1") = "9"
    & skf18("9","1","10","9","3","9","1") = "9"
    & skf18("9","1","10","9","3","10","1") = "9"
    & skf18("9","1","10","9","4","1","1") = "9"
    & skf18("9","1","10","9","4","2","1") = "9"
    & skf18("9","1","10","9","4","3","1") = "9"
    & skf18("9","1","10","9","4","4","1") = "9"
    & skf18("9","1","10","9","4","5","1") = "9"
    & skf18("9","1","10","9","4","6","1") = "9"
    & skf18("9","1","10","9","4","7","1") = "9"
    & skf18("9","1","10","9","4","8","1") = "9"
    & skf18("9","1","10","9","4","9","1") = "9"
    & skf18("9","1","10","9","4","10","1") = "9"
    & skf18("9","1","10","9","5","1","1") = "9"
    & skf18("9","1","10","9","5","2","1") = "9"
    & skf18("9","1","10","9","5","3","1") = "9"
    & skf18("9","1","10","9","5","4","1") = "9"
    & skf18("9","1","10","9","5","5","1") = "9"
    & skf18("9","1","10","9","5","6","1") = "9"
    & skf18("9","1","10","9","5","7","1") = "9"
    & skf18("9","1","10","9","5","8","1") = "9"
    & skf18("9","1","10","9","5","9","1") = "9"
    & skf18("9","1","10","9","5","10","1") = "9"
    & skf18("9","1","10","9","6","1","1") = "9"
    & skf18("9","1","10","9","6","2","1") = "9"
    & skf18("9","1","10","9","6","3","1") = "9"
    & skf18("9","1","10","9","6","4","1") = "9"
    & skf18("9","1","10","9","6","5","1") = "9"
    & skf18("9","1","10","9","6","6","1") = "9"
    & skf18("9","1","10","9","6","7","1") = "9"
    & skf18("9","1","10","9","6","8","1") = "9"
    & skf18("9","1","10","9","6","9","1") = "9"
    & skf18("9","1","10","9","6","10","1") = "9"
    & skf18("9","1","10","9","7","1","1") = "9"
    & skf18("9","1","10","9","7","2","1") = "9"
    & skf18("9","1","10","9","7","3","1") = "9"
    & skf18("9","1","10","9","7","4","1") = "9"
    & skf18("9","1","10","9","7","5","1") = "9"
    & skf18("9","1","10","9","7","6","1") = "9"
    & skf18("9","1","10","9","7","7","1") = "9"
    & skf18("9","1","10","9","7","8","1") = "9"
    & skf18("9","1","10","9","7","9","1") = "9"
    & skf18("9","1","10","9","7","10","1") = "9"
    & skf18("9","1","10","9","8","1","1") = "9"
    & skf18("9","1","10","9","8","2","1") = "9"
    & skf18("9","1","10","9","8","3","1") = "9"
    & skf18("9","1","10","9","8","4","1") = "9"
    & skf18("9","1","10","9","8","5","1") = "9"
    & skf18("9","1","10","9","8","6","1") = "9"
    & skf18("9","1","10","9","8","7","1") = "9"
    & skf18("9","1","10","9","8","8","1") = "9"
    & skf18("9","1","10","9","8","9","1") = "9"
    & skf18("9","1","10","9","8","10","1") = "9"
    & skf18("9","1","10","9","9","1","1") = "9"
    & skf18("9","1","10","9","9","2","1") = "9"
    & skf18("9","1","10","9","9","3","1") = "9"
    & skf18("9","1","10","9","9","4","1") = "9"
    & skf18("9","1","10","9","9","5","1") = "9"
    & skf18("9","1","10","9","9","6","1") = "9"
    & skf18("9","1","10","9","9","7","1") = "9"
    & skf18("9","1","10","9","9","8","1") = "9"
    & skf18("9","1","10","9","9","9","1") = "9"
    & skf18("9","1","10","9","9","10","1") = "9"
    & skf18("9","1","10","9","10","1","1") = "9"
    & skf18("9","1","10","9","10","2","1") = "9"
    & skf18("9","1","10","9","10","3","1") = "9"
    & skf18("9","1","10","9","10","4","1") = "9"
    & skf18("9","1","10","9","10","5","1") = "9"
    & skf18("9","1","10","9","10","6","1") = "9"
    & skf18("9","1","10","9","10","7","1") = "9"
    & skf18("9","1","10","9","10","8","1") = "9"
    & skf18("9","1","10","9","10","9","1") = "9"
    & skf18("9","1","10","9","10","10","1") = "9"
    & skf18("9","1","10","10","1","1","1") = "9"
    & skf18("9","1","10","10","1","2","1") = "9"
    & skf18("9","1","10","10","1","3","1") = "9"
    & skf18("9","1","10","10","1","4","1") = "9"
    & skf18("9","1","10","10","1","5","1") = "9"
    & skf18("9","1","10","10","1","6","1") = "9"
    & skf18("9","1","10","10","1","7","1") = "9"
    & skf18("9","1","10","10","1","8","1") = "9"
    & skf18("9","1","10","10","1","9","1") = "9"
    & skf18("9","1","10","10","1","10","1") = "9"
    & skf18("9","1","10","10","2","1","1") = "9"
    & skf18("9","1","10","10","2","2","1") = "9"
    & skf18("9","1","10","10","2","3","1") = "9"
    & skf18("9","1","10","10","2","4","1") = "9"
    & skf18("9","1","10","10","2","5","1") = "9"
    & skf18("9","1","10","10","2","6","1") = "9"
    & skf18("9","1","10","10","2","7","1") = "9"
    & skf18("9","1","10","10","2","8","1") = "9"
    & skf18("9","1","10","10","2","9","1") = "9"
    & skf18("9","1","10","10","2","10","1") = "9"
    & skf18("9","1","10","10","3","1","1") = "9"
    & skf18("9","1","10","10","3","2","1") = "9"
    & skf18("9","1","10","10","3","3","1") = "9"
    & skf18("9","1","10","10","3","4","1") = "9"
    & skf18("9","1","10","10","3","5","1") = "9"
    & skf18("9","1","10","10","3","6","1") = "9"
    & skf18("9","1","10","10","3","7","1") = "9"
    & skf18("9","1","10","10","3","8","1") = "9"
    & skf18("9","1","10","10","3","9","1") = "9"
    & skf18("9","1","10","10","3","10","1") = "9"
    & skf18("9","1","10","10","4","1","1") = "9"
    & skf18("9","1","10","10","4","2","1") = "9"
    & skf18("9","1","10","10","4","3","1") = "9"
    & skf18("9","1","10","10","4","4","1") = "9"
    & skf18("9","1","10","10","4","5","1") = "9"
    & skf18("9","1","10","10","4","6","1") = "9"
    & skf18("9","1","10","10","4","7","1") = "9"
    & skf18("9","1","10","10","4","8","1") = "9"
    & skf18("9","1","10","10","4","9","1") = "9"
    & skf18("9","1","10","10","4","10","1") = "9"
    & skf18("9","1","10","10","5","1","1") = "9"
    & skf18("9","1","10","10","5","2","1") = "9"
    & skf18("9","1","10","10","5","3","1") = "9"
    & skf18("9","1","10","10","5","4","1") = "9"
    & skf18("9","1","10","10","5","5","1") = "9"
    & skf18("9","1","10","10","5","6","1") = "9"
    & skf18("9","1","10","10","5","7","1") = "9"
    & skf18("9","1","10","10","5","8","1") = "9"
    & skf18("9","1","10","10","5","9","1") = "9"
    & skf18("9","1","10","10","5","10","1") = "9"
    & skf18("9","1","10","10","6","1","1") = "9"
    & skf18("9","1","10","10","6","2","1") = "9"
    & skf18("9","1","10","10","6","3","1") = "9"
    & skf18("9","1","10","10","6","4","1") = "9"
    & skf18("9","1","10","10","6","5","1") = "9"
    & skf18("9","1","10","10","6","6","1") = "9"
    & skf18("9","1","10","10","6","7","1") = "9"
    & skf18("9","1","10","10","6","8","1") = "9"
    & skf18("9","1","10","10","6","9","1") = "9"
    & skf18("9","1","10","10","6","10","1") = "9"
    & skf18("9","1","10","10","7","1","1") = "9"
    & skf18("9","1","10","10","7","2","1") = "9"
    & skf18("9","1","10","10","7","3","1") = "9"
    & skf18("9","1","10","10","7","4","1") = "9"
    & skf18("9","1","10","10","7","5","1") = "9"
    & skf18("9","1","10","10","7","6","1") = "9"
    & skf18("9","1","10","10","7","7","1") = "9"
    & skf18("9","1","10","10","7","8","1") = "9"
    & skf18("9","1","10","10","7","9","1") = "9"
    & skf18("9","1","10","10","7","10","1") = "9"
    & skf18("9","1","10","10","8","1","1") = "9"
    & skf18("9","1","10","10","8","2","1") = "9"
    & skf18("9","1","10","10","8","3","1") = "9"
    & skf18("9","1","10","10","8","4","1") = "9"
    & skf18("9","1","10","10","8","5","1") = "9"
    & skf18("9","1","10","10","8","6","1") = "9"
    & skf18("9","1","10","10","8","7","1") = "9"
    & skf18("9","1","10","10","8","8","1") = "9"
    & skf18("9","1","10","10","8","9","1") = "9"
    & skf18("9","1","10","10","8","10","1") = "9"
    & skf18("9","1","10","10","9","1","1") = "9"
    & skf18("9","1","10","10","9","2","1") = "9"
    & skf18("9","1","10","10","9","3","1") = "9"
    & skf18("9","1","10","10","9","4","1") = "9"
    & skf18("9","1","10","10","9","5","1") = "9"
    & skf18("9","1","10","10","9","6","1") = "9"
    & skf18("9","1","10","10","9","7","1") = "9"
    & skf18("9","1","10","10","9","8","1") = "9"
    & skf18("9","1","10","10","9","9","1") = "9"
    & skf18("9","1","10","10","9","10","1") = "9"
    & skf18("9","1","10","10","10","1","1") = "9"
    & skf18("9","1","10","10","10","2","1") = "9"
    & skf18("9","1","10","10","10","3","1") = "9"
    & skf18("9","1","10","10","10","4","1") = "9"
    & skf18("9","1","10","10","10","5","1") = "9"
    & skf18("9","1","10","10","10","6","1") = "9"
    & skf18("9","1","10","10","10","7","1") = "9"
    & skf18("9","1","10","10","10","8","1") = "9"
    & skf18("9","1","10","10","10","9","1") = "9"
    & skf18("9","1","10","10","10","10","1") = "9"
    & skf18("9","2","1","1","1","1","1") = "8"
    & skf18("9","2","1","1","1","2","1") = "8"
    & skf18("9","2","1","1","1","3","1") = "8"
    & skf18("9","2","1","1","1","4","1") = "8"
    & skf18("9","2","1","1","1","5","1") = "8"
    & skf18("9","2","1","1","1","6","1") = "8"
    & skf18("9","2","1","1","1","7","1") = "8"
    & skf18("9","2","1","1","1","8","1") = "8"
    & skf18("9","2","1","1","1","9","1") = "8"
    & skf18("9","2","1","1","1","10","1") = "9"
    & skf18("9","2","1","1","2","1","1") = "8"
    & skf18("9","2","1","1","2","2","1") = "8"
    & skf18("9","2","1","1","2","3","1") = "8"
    & skf18("9","2","1","1","2","4","1") = "8"
    & skf18("9","2","1","1","2","5","1") = "8"
    & skf18("9","2","1","1","2","6","1") = "8"
    & skf18("9","2","1","1","2","7","1") = "8"
    & skf18("9","2","1","1","2","8","1") = "8"
    & skf18("9","2","1","1","2","9","1") = "8"
    & skf18("9","2","1","1","2","10","1") = "9"
    & skf18("9","2","1","1","3","1","1") = "8"
    & skf18("9","2","1","1","3","2","1") = "8"
    & skf18("9","2","1","1","3","3","1") = "8"
    & skf18("9","2","1","1","3","4","1") = "8"
    & skf18("9","2","1","1","3","5","1") = "8"
    & skf18("9","2","1","1","3","6","1") = "8"
    & skf18("9","2","1","1","3","7","1") = "8"
    & skf18("9","2","1","1","3","8","1") = "8"
    & skf18("9","2","1","1","3","9","1") = "8"
    & skf18("9","2","1","1","3","10","1") = "9"
    & skf18("9","2","1","1","4","1","1") = "8"
    & skf18("9","2","1","1","4","2","1") = "8"
    & skf18("9","2","1","1","4","3","1") = "8"
    & skf18("9","2","1","1","4","4","1") = "8"
    & skf18("9","2","1","1","4","5","1") = "8"
    & skf18("9","2","1","1","4","6","1") = "8"
    & skf18("9","2","1","1","4","7","1") = "8"
    & skf18("9","2","1","1","4","8","1") = "8"
    & skf18("9","2","1","1","4","9","1") = "8"
    & skf18("9","2","1","1","4","10","1") = "9"
    & skf18("9","2","1","1","5","1","1") = "8"
    & skf18("9","2","1","1","5","2","1") = "8"
    & skf18("9","2","1","1","5","3","1") = "8"
    & skf18("9","2","1","1","5","4","1") = "8"
    & skf18("9","2","1","1","5","5","1") = "8"
    & skf18("9","2","1","1","5","6","1") = "8"
    & skf18("9","2","1","1","5","7","1") = "8"
    & skf18("9","2","1","1","5","8","1") = "8"
    & skf18("9","2","1","1","5","9","1") = "8"
    & skf18("9","2","1","1","5","10","1") = "9"
    & skf18("9","2","1","1","6","1","1") = "8"
    & skf18("9","2","1","1","6","2","1") = "8"
    & skf18("9","2","1","1","6","3","1") = "8"
    & skf18("9","2","1","1","6","4","1") = "8"
    & skf18("9","2","1","1","6","5","1") = "8"
    & skf18("9","2","1","1","6","6","1") = "8"
    & skf18("9","2","1","1","6","7","1") = "8"
    & skf18("9","2","1","1","6","8","1") = "8"
    & skf18("9","2","1","1","6","9","1") = "8"
    & skf18("9","2","1","1","6","10","1") = "9"
    & skf18("9","2","1","1","7","1","1") = "8"
    & skf18("9","2","1","1","7","2","1") = "8"
    & skf18("9","2","1","1","7","3","1") = "8"
    & skf18("9","2","1","1","7","4","1") = "8"
    & skf18("9","2","1","1","7","5","1") = "8"
    & skf18("9","2","1","1","7","6","1") = "8"
    & skf18("9","2","1","1","7","7","1") = "8"
    & skf18("9","2","1","1","7","8","1") = "8"
    & skf18("9","2","1","1","7","9","1") = "8"
    & skf18("9","2","1","1","7","10","1") = "9"
    & skf18("9","2","1","1","8","1","1") = "8"
    & skf18("9","2","1","1","8","2","1") = "8"
    & skf18("9","2","1","1","8","3","1") = "8"
    & skf18("9","2","1","1","8","4","1") = "8"
    & skf18("9","2","1","1","8","5","1") = "8"
    & skf18("9","2","1","1","8","6","1") = "8"
    & skf18("9","2","1","1","8","7","1") = "8"
    & skf18("9","2","1","1","8","8","1") = "8"
    & skf18("9","2","1","1","8","9","1") = "8"
    & skf18("9","2","1","1","8","10","1") = "9"
    & skf18("9","2","1","1","9","1","1") = "8"
    & skf18("9","2","1","1","9","2","1") = "8"
    & skf18("9","2","1","1","9","3","1") = "8"
    & skf18("9","2","1","1","9","4","1") = "8"
    & skf18("9","2","1","1","9","5","1") = "8"
    & skf18("9","2","1","1","9","6","1") = "8"
    & skf18("9","2","1","1","9","7","1") = "8"
    & skf18("9","2","1","1","9","8","1") = "8"
    & skf18("9","2","1","1","9","9","1") = "8"
    & skf18("9","2","1","1","9","10","1") = "9"
    & skf18("9","2","1","1","10","1","1") = "9"
    & skf18("9","2","1","1","10","2","1") = "9"
    & skf18("9","2","1","1","10","3","1") = "9"
    & skf18("9","2","1","1","10","4","1") = "9"
    & skf18("9","2","1","1","10","5","1") = "9"
    & skf18("9","2","1","1","10","6","1") = "9"
    & skf18("9","2","1","1","10","7","1") = "9"
    & skf18("9","2","1","1","10","8","1") = "9"
    & skf18("9","2","1","1","10","9","1") = "9"
    & skf18("9","2","1","1","10","10","1") = "9"
    & skf18("9","2","1","2","1","1","1") = "8"
    & skf18("9","2","1","2","1","2","1") = "8"
    & skf18("9","2","1","2","1","3","1") = "8"
    & skf18("9","2","1","2","1","4","1") = "8"
    & skf18("9","2","1","2","1","5","1") = "8"
    & skf18("9","2","1","2","1","6","1") = "8"
    & skf18("9","2","1","2","1","7","1") = "8"
    & skf18("9","2","1","2","1","8","1") = "8"
    & skf18("9","2","1","2","1","9","1") = "8"
    & skf18("9","2","1","2","1","10","1") = "9"
    & skf18("9","2","1","2","2","1","1") = "8"
    & skf18("9","2","1","2","2","2","1") = "8"
    & skf18("9","2","1","2","2","3","1") = "8"
    & skf18("9","2","1","2","2","4","1") = "8"
    & skf18("9","2","1","2","2","5","1") = "8"
    & skf18("9","2","1","2","2","6","1") = "8"
    & skf18("9","2","1","2","2","7","1") = "8"
    & skf18("9","2","1","2","2","8","1") = "8"
    & skf18("9","2","1","2","2","9","1") = "8"
    & skf18("9","2","1","2","2","10","1") = "9"
    & skf18("9","2","1","2","3","1","1") = "8"
    & skf18("9","2","1","2","3","2","1") = "8"
    & skf18("9","2","1","2","3","3","1") = "8"
    & skf18("9","2","1","2","3","4","1") = "8"
    & skf18("9","2","1","2","3","5","1") = "8"
    & skf18("9","2","1","2","3","6","1") = "8"
    & skf18("9","2","1","2","3","7","1") = "8"
    & skf18("9","2","1","2","3","8","1") = "8"
    & skf18("9","2","1","2","3","9","1") = "8"
    & skf18("9","2","1","2","3","10","1") = "9"
    & skf18("9","2","1","2","4","1","1") = "8"
    & skf18("9","2","1","2","4","2","1") = "8"
    & skf18("9","2","1","2","4","3","1") = "8"
    & skf18("9","2","1","2","4","4","1") = "8"
    & skf18("9","2","1","2","4","5","1") = "8"
    & skf18("9","2","1","2","4","6","1") = "8"
    & skf18("9","2","1","2","4","7","1") = "8"
    & skf18("9","2","1","2","4","8","1") = "8"
    & skf18("9","2","1","2","4","9","1") = "8"
    & skf18("9","2","1","2","4","10","1") = "9"
    & skf18("9","2","1","2","5","1","1") = "8"
    & skf18("9","2","1","2","5","2","1") = "8"
    & skf18("9","2","1","2","5","3","1") = "8"
    & skf18("9","2","1","2","5","4","1") = "8"
    & skf18("9","2","1","2","5","5","1") = "8"
    & skf18("9","2","1","2","5","6","1") = "8"
    & skf18("9","2","1","2","5","7","1") = "8"
    & skf18("9","2","1","2","5","8","1") = "8"
    & skf18("9","2","1","2","5","9","1") = "8"
    & skf18("9","2","1","2","5","10","1") = "9"
    & skf18("9","2","1","2","6","1","1") = "8"
    & skf18("9","2","1","2","6","2","1") = "8"
    & skf18("9","2","1","2","6","3","1") = "8"
    & skf18("9","2","1","2","6","4","1") = "8"
    & skf18("9","2","1","2","6","5","1") = "8"
    & skf18("9","2","1","2","6","6","1") = "8"
    & skf18("9","2","1","2","6","7","1") = "8"
    & skf18("9","2","1","2","6","8","1") = "8"
    & skf18("9","2","1","2","6","9","1") = "8"
    & skf18("9","2","1","2","6","10","1") = "9"
    & skf18("9","2","1","2","7","1","1") = "8"
    & skf18("9","2","1","2","7","2","1") = "8"
    & skf18("9","2","1","2","7","3","1") = "8"
    & skf18("9","2","1","2","7","4","1") = "8"
    & skf18("9","2","1","2","7","5","1") = "8"
    & skf18("9","2","1","2","7","6","1") = "8"
    & skf18("9","2","1","2","7","7","1") = "8"
    & skf18("9","2","1","2","7","8","1") = "8"
    & skf18("9","2","1","2","7","9","1") = "8"
    & skf18("9","2","1","2","7","10","1") = "9"
    & skf18("9","2","1","2","8","1","1") = "8"
    & skf18("9","2","1","2","8","2","1") = "8"
    & skf18("9","2","1","2","8","3","1") = "8"
    & skf18("9","2","1","2","8","4","1") = "8"
    & skf18("9","2","1","2","8","5","1") = "8"
    & skf18("9","2","1","2","8","6","1") = "8"
    & skf18("9","2","1","2","8","7","1") = "8"
    & skf18("9","2","1","2","8","8","1") = "8"
    & skf18("9","2","1","2","8","9","1") = "8"
    & skf18("9","2","1","2","8","10","1") = "9"
    & skf18("9","2","1","2","9","1","1") = "8"
    & skf18("9","2","1","2","9","2","1") = "8"
    & skf18("9","2","1","2","9","3","1") = "8"
    & skf18("9","2","1","2","9","4","1") = "8"
    & skf18("9","2","1","2","9","5","1") = "8"
    & skf18("9","2","1","2","9","6","1") = "8"
    & skf18("9","2","1","2","9","7","1") = "8"
    & skf18("9","2","1","2","9","8","1") = "8"
    & skf18("9","2","1","2","9","9","1") = "8"
    & skf18("9","2","1","2","9","10","1") = "9"
    & skf18("9","2","1","2","10","1","1") = "9"
    & skf18("9","2","1","2","10","2","1") = "9"
    & skf18("9","2","1","2","10","3","1") = "9"
    & skf18("9","2","1","2","10","4","1") = "9"
    & skf18("9","2","1","2","10","5","1") = "9"
    & skf18("9","2","1","2","10","6","1") = "9"
    & skf18("9","2","1","2","10","7","1") = "9"
    & skf18("9","2","1","2","10","8","1") = "9"
    & skf18("9","2","1","2","10","9","1") = "9"
    & skf18("9","2","1","2","10","10","1") = "9"
    & skf18("9","2","1","3","1","1","1") = "8"
    & skf18("9","2","1","3","1","2","1") = "8"
    & skf18("9","2","1","3","1","3","1") = "8"
    & skf18("9","2","1","3","1","4","1") = "8"
    & skf18("9","2","1","3","1","5","1") = "8"
    & skf18("9","2","1","3","1","6","1") = "8"
    & skf18("9","2","1","3","1","7","1") = "8"
    & skf18("9","2","1","3","1","8","1") = "8"
    & skf18("9","2","1","3","1","9","1") = "8"
    & skf18("9","2","1","3","1","10","1") = "9"
    & skf18("9","2","1","3","2","1","1") = "8"
    & skf18("9","2","1","3","2","2","1") = "8"
    & skf18("9","2","1","3","2","3","1") = "8"
    & skf18("9","2","1","3","2","4","1") = "8"
    & skf18("9","2","1","3","2","5","1") = "8"
    & skf18("9","2","1","3","2","6","1") = "8"
    & skf18("9","2","1","3","2","7","1") = "8"
    & skf18("9","2","1","3","2","8","1") = "8"
    & skf18("9","2","1","3","2","9","1") = "8"
    & skf18("9","2","1","3","2","10","1") = "9"
    & skf18("9","2","1","3","3","1","1") = "8"
    & skf18("9","2","1","3","3","2","1") = "8"
    & skf18("9","2","1","3","3","3","1") = "8"
    & skf18("9","2","1","3","3","4","1") = "8"
    & skf18("9","2","1","3","3","5","1") = "8"
    & skf18("9","2","1","3","3","6","1") = "8"
    & skf18("9","2","1","3","3","7","1") = "8"
    & skf18("9","2","1","3","3","8","1") = "8"
    & skf18("9","2","1","3","3","9","1") = "8"
    & skf18("9","2","1","3","3","10","1") = "9"
    & skf18("9","2","1","3","4","1","1") = "8"
    & skf18("9","2","1","3","4","2","1") = "8"
    & skf18("9","2","1","3","4","3","1") = "8"
    & skf18("9","2","1","3","4","4","1") = "8"
    & skf18("9","2","1","3","4","5","1") = "8"
    & skf18("9","2","1","3","4","6","1") = "8"
    & skf18("9","2","1","3","4","7","1") = "8"
    & skf18("9","2","1","3","4","8","1") = "8"
    & skf18("9","2","1","3","4","9","1") = "8"
    & skf18("9","2","1","3","4","10","1") = "9"
    & skf18("9","2","1","3","5","1","1") = "8"
    & skf18("9","2","1","3","5","2","1") = "8"
    & skf18("9","2","1","3","5","3","1") = "8"
    & skf18("9","2","1","3","5","4","1") = "8"
    & skf18("9","2","1","3","5","5","1") = "8"
    & skf18("9","2","1","3","5","6","1") = "8"
    & skf18("9","2","1","3","5","7","1") = "8"
    & skf18("9","2","1","3","5","8","1") = "8"
    & skf18("9","2","1","3","5","9","1") = "8"
    & skf18("9","2","1","3","5","10","1") = "9"
    & skf18("9","2","1","3","6","1","1") = "8"
    & skf18("9","2","1","3","6","2","1") = "8"
    & skf18("9","2","1","3","6","3","1") = "8"
    & skf18("9","2","1","3","6","4","1") = "8"
    & skf18("9","2","1","3","6","5","1") = "8"
    & skf18("9","2","1","3","6","6","1") = "8"
    & skf18("9","2","1","3","6","7","1") = "8"
    & skf18("9","2","1","3","6","8","1") = "8"
    & skf18("9","2","1","3","6","9","1") = "8"
    & skf18("9","2","1","3","6","10","1") = "9"
    & skf18("9","2","1","3","7","1","1") = "8"
    & skf18("9","2","1","3","7","2","1") = "8"
    & skf18("9","2","1","3","7","3","1") = "8"
    & skf18("9","2","1","3","7","4","1") = "8"
    & skf18("9","2","1","3","7","5","1") = "8"
    & skf18("9","2","1","3","7","6","1") = "8"
    & skf18("9","2","1","3","7","7","1") = "8"
    & skf18("9","2","1","3","7","8","1") = "8"
    & skf18("9","2","1","3","7","9","1") = "8"
    & skf18("9","2","1","3","7","10","1") = "9"
    & skf18("9","2","1","3","8","1","1") = "8"
    & skf18("9","2","1","3","8","2","1") = "8"
    & skf18("9","2","1","3","8","3","1") = "8"
    & skf18("9","2","1","3","8","4","1") = "8"
    & skf18("9","2","1","3","8","5","1") = "8"
    & skf18("9","2","1","3","8","6","1") = "8"
    & skf18("9","2","1","3","8","7","1") = "8"
    & skf18("9","2","1","3","8","8","1") = "8"
    & skf18("9","2","1","3","8","9","1") = "8"
    & skf18("9","2","1","3","8","10","1") = "9"
    & skf18("9","2","1","3","9","1","1") = "8"
    & skf18("9","2","1","3","9","2","1") = "8"
    & skf18("9","2","1","3","9","3","1") = "8"
    & skf18("9","2","1","3","9","4","1") = "8"
    & skf18("9","2","1","3","9","5","1") = "8"
    & skf18("9","2","1","3","9","6","1") = "8"
    & skf18("9","2","1","3","9","7","1") = "8"
    & skf18("9","2","1","3","9","8","1") = "8"
    & skf18("9","2","1","3","9","9","1") = "8"
    & skf18("9","2","1","3","9","10","1") = "9"
    & skf18("9","2","1","3","10","1","1") = "9"
    & skf18("9","2","1","3","10","2","1") = "9"
    & skf18("9","2","1","3","10","3","1") = "9"
    & skf18("9","2","1","3","10","4","1") = "9"
    & skf18("9","2","1","3","10","5","1") = "9"
    & skf18("9","2","1","3","10","6","1") = "9"
    & skf18("9","2","1","3","10","7","1") = "9"
    & skf18("9","2","1","3","10","8","1") = "9"
    & skf18("9","2","1","3","10","9","1") = "9"
    & skf18("9","2","1","3","10","10","1") = "9"
    & skf18("9","2","1","4","1","1","1") = "8"
    & skf18("9","2","1","4","1","2","1") = "8"
    & skf18("9","2","1","4","1","3","1") = "8"
    & skf18("9","2","1","4","1","4","1") = "8"
    & skf18("9","2","1","4","1","5","1") = "8"
    & skf18("9","2","1","4","1","6","1") = "8"
    & skf18("9","2","1","4","1","7","1") = "8"
    & skf18("9","2","1","4","1","8","1") = "8"
    & skf18("9","2","1","4","1","9","1") = "8"
    & skf18("9","2","1","4","1","10","1") = "9"
    & skf18("9","2","1","4","2","1","1") = "8"
    & skf18("9","2","1","4","2","2","1") = "8"
    & skf18("9","2","1","4","2","3","1") = "8"
    & skf18("9","2","1","4","2","4","1") = "8"
    & skf18("9","2","1","4","2","5","1") = "8"
    & skf18("9","2","1","4","2","6","1") = "8"
    & skf18("9","2","1","4","2","7","1") = "8"
    & skf18("9","2","1","4","2","8","1") = "8"
    & skf18("9","2","1","4","2","9","1") = "8"
    & skf18("9","2","1","4","2","10","1") = "9"
    & skf18("9","2","1","4","3","1","1") = "8"
    & skf18("9","2","1","4","3","2","1") = "8"
    & skf18("9","2","1","4","3","3","1") = "8"
    & skf18("9","2","1","4","3","4","1") = "8"
    & skf18("9","2","1","4","3","5","1") = "8"
    & skf18("9","2","1","4","3","6","1") = "8"
    & skf18("9","2","1","4","3","7","1") = "8"
    & skf18("9","2","1","4","3","8","1") = "8"
    & skf18("9","2","1","4","3","9","1") = "8"
    & skf18("9","2","1","4","3","10","1") = "9"
    & skf18("9","2","1","4","4","1","1") = "8"
    & skf18("9","2","1","4","4","2","1") = "8"
    & skf18("9","2","1","4","4","3","1") = "8"
    & skf18("9","2","1","4","4","4","1") = "8"
    & skf18("9","2","1","4","4","5","1") = "8"
    & skf18("9","2","1","4","4","6","1") = "8"
    & skf18("9","2","1","4","4","7","1") = "8"
    & skf18("9","2","1","4","4","8","1") = "8"
    & skf18("9","2","1","4","4","9","1") = "8"
    & skf18("9","2","1","4","4","10","1") = "9"
    & skf18("9","2","1","4","5","1","1") = "8"
    & skf18("9","2","1","4","5","2","1") = "8"
    & skf18("9","2","1","4","5","3","1") = "8"
    & skf18("9","2","1","4","5","4","1") = "8"
    & skf18("9","2","1","4","5","5","1") = "8"
    & skf18("9","2","1","4","5","6","1") = "8"
    & skf18("9","2","1","4","5","7","1") = "8"
    & skf18("9","2","1","4","5","8","1") = "8"
    & skf18("9","2","1","4","5","9","1") = "8"
    & skf18("9","2","1","4","5","10","1") = "9"
    & skf18("9","2","1","4","6","1","1") = "8"
    & skf18("9","2","1","4","6","2","1") = "8"
    & skf18("9","2","1","4","6","3","1") = "8"
    & skf18("9","2","1","4","6","4","1") = "8"
    & skf18("9","2","1","4","6","5","1") = "8"
    & skf18("9","2","1","4","6","6","1") = "8"
    & skf18("9","2","1","4","6","7","1") = "8"
    & skf18("9","2","1","4","6","8","1") = "8"
    & skf18("9","2","1","4","6","9","1") = "8"
    & skf18("9","2","1","4","6","10","1") = "9"
    & skf18("9","2","1","4","7","1","1") = "8"
    & skf18("9","2","1","4","7","2","1") = "8"
    & skf18("9","2","1","4","7","3","1") = "8"
    & skf18("9","2","1","4","7","4","1") = "8"
    & skf18("9","2","1","4","7","5","1") = "8"
    & skf18("9","2","1","4","7","6","1") = "8"
    & skf18("9","2","1","4","7","7","1") = "8"
    & skf18("9","2","1","4","7","8","1") = "8"
    & skf18("9","2","1","4","7","9","1") = "8"
    & skf18("9","2","1","4","7","10","1") = "9"
    & skf18("9","2","1","4","8","1","1") = "8"
    & skf18("9","2","1","4","8","2","1") = "8"
    & skf18("9","2","1","4","8","3","1") = "8"
    & skf18("9","2","1","4","8","4","1") = "8"
    & skf18("9","2","1","4","8","5","1") = "8"
    & skf18("9","2","1","4","8","6","1") = "8"
    & skf18("9","2","1","4","8","7","1") = "8"
    & skf18("9","2","1","4","8","8","1") = "8"
    & skf18("9","2","1","4","8","9","1") = "8"
    & skf18("9","2","1","4","8","10","1") = "9"
    & skf18("9","2","1","4","9","1","1") = "8"
    & skf18("9","2","1","4","9","2","1") = "8"
    & skf18("9","2","1","4","9","3","1") = "8"
    & skf18("9","2","1","4","9","4","1") = "8"
    & skf18("9","2","1","4","9","5","1") = "8"
    & skf18("9","2","1","4","9","6","1") = "8"
    & skf18("9","2","1","4","9","7","1") = "8"
    & skf18("9","2","1","4","9","8","1") = "8"
    & skf18("9","2","1","4","9","9","1") = "8"
    & skf18("9","2","1","4","9","10","1") = "9"
    & skf18("9","2","1","4","10","1","1") = "9"
    & skf18("9","2","1","4","10","2","1") = "9"
    & skf18("9","2","1","4","10","3","1") = "9"
    & skf18("9","2","1","4","10","4","1") = "9"
    & skf18("9","2","1","4","10","5","1") = "9"
    & skf18("9","2","1","4","10","6","1") = "9"
    & skf18("9","2","1","4","10","7","1") = "9"
    & skf18("9","2","1","4","10","8","1") = "9"
    & skf18("9","2","1","4","10","9","1") = "9"
    & skf18("9","2","1","4","10","10","1") = "9"
    & skf18("9","2","1","5","1","1","1") = "8"
    & skf18("9","2","1","5","1","2","1") = "8"
    & skf18("9","2","1","5","1","3","1") = "8"
    & skf18("9","2","1","5","1","4","1") = "8"
    & skf18("9","2","1","5","1","5","1") = "8"
    & skf18("9","2","1","5","1","6","1") = "8"
    & skf18("9","2","1","5","1","7","1") = "8"
    & skf18("9","2","1","5","1","8","1") = "8"
    & skf18("9","2","1","5","1","9","1") = "8"
    & skf18("9","2","1","5","1","10","1") = "9"
    & skf18("9","2","1","5","2","1","1") = "8"
    & skf18("9","2","1","5","2","2","1") = "8"
    & skf18("9","2","1","5","2","3","1") = "8"
    & skf18("9","2","1","5","2","4","1") = "8"
    & skf18("9","2","1","5","2","5","1") = "8"
    & skf18("9","2","1","5","2","6","1") = "8"
    & skf18("9","2","1","5","2","7","1") = "8"
    & skf18("9","2","1","5","2","8","1") = "8"
    & skf18("9","2","1","5","2","9","1") = "8"
    & skf18("9","2","1","5","2","10","1") = "9"
    & skf18("9","2","1","5","3","1","1") = "8"
    & skf18("9","2","1","5","3","2","1") = "8"
    & skf18("9","2","1","5","3","3","1") = "8"
    & skf18("9","2","1","5","3","4","1") = "8"
    & skf18("9","2","1","5","3","5","1") = "8"
    & skf18("9","2","1","5","3","6","1") = "8"
    & skf18("9","2","1","5","3","7","1") = "8"
    & skf18("9","2","1","5","3","8","1") = "8"
    & skf18("9","2","1","5","3","9","1") = "8"
    & skf18("9","2","1","5","3","10","1") = "9"
    & skf18("9","2","1","5","4","1","1") = "8"
    & skf18("9","2","1","5","4","2","1") = "8"
    & skf18("9","2","1","5","4","3","1") = "8"
    & skf18("9","2","1","5","4","4","1") = "8"
    & skf18("9","2","1","5","4","5","1") = "8"
    & skf18("9","2","1","5","4","6","1") = "8"
    & skf18("9","2","1","5","4","7","1") = "8"
    & skf18("9","2","1","5","4","8","1") = "8"
    & skf18("9","2","1","5","4","9","1") = "8"
    & skf18("9","2","1","5","4","10","1") = "9"
    & skf18("9","2","1","5","5","1","1") = "8"
    & skf18("9","2","1","5","5","2","1") = "8"
    & skf18("9","2","1","5","5","3","1") = "8"
    & skf18("9","2","1","5","5","4","1") = "8"
    & skf18("9","2","1","5","5","5","1") = "8"
    & skf18("9","2","1","5","5","6","1") = "8"
    & skf18("9","2","1","5","5","7","1") = "8"
    & skf18("9","2","1","5","5","8","1") = "8"
    & skf18("9","2","1","5","5","9","1") = "8"
    & skf18("9","2","1","5","5","10","1") = "9"
    & skf18("9","2","1","5","6","1","1") = "8"
    & skf18("9","2","1","5","6","2","1") = "8"
    & skf18("9","2","1","5","6","3","1") = "8"
    & skf18("9","2","1","5","6","4","1") = "8"
    & skf18("9","2","1","5","6","5","1") = "8"
    & skf18("9","2","1","5","6","6","1") = "8"
    & skf18("9","2","1","5","6","7","1") = "8"
    & skf18("9","2","1","5","6","8","1") = "8"
    & skf18("9","2","1","5","6","9","1") = "8"
    & skf18("9","2","1","5","6","10","1") = "9"
    & skf18("9","2","1","5","7","1","1") = "8"
    & skf18("9","2","1","5","7","2","1") = "8"
    & skf18("9","2","1","5","7","3","1") = "8"
    & skf18("9","2","1","5","7","4","1") = "8"
    & skf18("9","2","1","5","7","5","1") = "8"
    & skf18("9","2","1","5","7","6","1") = "8"
    & skf18("9","2","1","5","7","7","1") = "8"
    & skf18("9","2","1","5","7","8","1") = "8"
    & skf18("9","2","1","5","7","9","1") = "8"
    & skf18("9","2","1","5","7","10","1") = "9"
    & skf18("9","2","1","5","8","1","1") = "8"
    & skf18("9","2","1","5","8","2","1") = "8"
    & skf18("9","2","1","5","8","3","1") = "8"
    & skf18("9","2","1","5","8","4","1") = "8"
    & skf18("9","2","1","5","8","5","1") = "8"
    & skf18("9","2","1","5","8","6","1") = "8"
    & skf18("9","2","1","5","8","7","1") = "8"
    & skf18("9","2","1","5","8","8","1") = "8"
    & skf18("9","2","1","5","8","9","1") = "8"
    & skf18("9","2","1","5","8","10","1") = "9"
    & skf18("9","2","1","5","9","1","1") = "8"
    & skf18("9","2","1","5","9","2","1") = "8"
    & skf18("9","2","1","5","9","3","1") = "8"
    & skf18("9","2","1","5","9","4","1") = "8"
    & skf18("9","2","1","5","9","5","1") = "8"
    & skf18("9","2","1","5","9","6","1") = "8"
    & skf18("9","2","1","5","9","7","1") = "8"
    & skf18("9","2","1","5","9","8","1") = "8"
    & skf18("9","2","1","5","9","9","1") = "8"
    & skf18("9","2","1","5","9","10","1") = "9"
    & skf18("9","2","1","5","10","1","1") = "9"
    & skf18("9","2","1","5","10","2","1") = "9"
    & skf18("9","2","1","5","10","3","1") = "9"
    & skf18("9","2","1","5","10","4","1") = "9"
    & skf18("9","2","1","5","10","5","1") = "9"
    & skf18("9","2","1","5","10","6","1") = "9"
    & skf18("9","2","1","5","10","7","1") = "9"
    & skf18("9","2","1","5","10","8","1") = "9"
    & skf18("9","2","1","5","10","9","1") = "9"
    & skf18("9","2","1","5","10","10","1") = "9"
    & skf18("9","2","1","6","1","1","1") = "8"
    & skf18("9","2","1","6","1","2","1") = "8"
    & skf18("9","2","1","6","1","3","1") = "8"
    & skf18("9","2","1","6","1","4","1") = "8"
    & skf18("9","2","1","6","1","5","1") = "8"
    & skf18("9","2","1","6","1","6","1") = "8"
    & skf18("9","2","1","6","1","7","1") = "8"
    & skf18("9","2","1","6","1","8","1") = "8"
    & skf18("9","2","1","6","1","9","1") = "8"
    & skf18("9","2","1","6","1","10","1") = "9"
    & skf18("9","2","1","6","2","1","1") = "8"
    & skf18("9","2","1","6","2","2","1") = "8"
    & skf18("9","2","1","6","2","3","1") = "8"
    & skf18("9","2","1","6","2","4","1") = "8"
    & skf18("9","2","1","6","2","5","1") = "8"
    & skf18("9","2","1","6","2","6","1") = "8"
    & skf18("9","2","1","6","2","7","1") = "8"
    & skf18("9","2","1","6","2","8","1") = "8"
    & skf18("9","2","1","6","2","9","1") = "8"
    & skf18("9","2","1","6","2","10","1") = "9"
    & skf18("9","2","1","6","3","1","1") = "8"
    & skf18("9","2","1","6","3","2","1") = "8"
    & skf18("9","2","1","6","3","3","1") = "8"
    & skf18("9","2","1","6","3","4","1") = "8"
    & skf18("9","2","1","6","3","5","1") = "8"
    & skf18("9","2","1","6","3","6","1") = "8"
    & skf18("9","2","1","6","3","7","1") = "8"
    & skf18("9","2","1","6","3","8","1") = "8"
    & skf18("9","2","1","6","3","9","1") = "8"
    & skf18("9","2","1","6","3","10","1") = "9"
    & skf18("9","2","1","6","4","1","1") = "8"
    & skf18("9","2","1","6","4","2","1") = "8"
    & skf18("9","2","1","6","4","3","1") = "8"
    & skf18("9","2","1","6","4","4","1") = "8"
    & skf18("9","2","1","6","4","5","1") = "8"
    & skf18("9","2","1","6","4","6","1") = "8"
    & skf18("9","2","1","6","4","7","1") = "8"
    & skf18("9","2","1","6","4","8","1") = "8"
    & skf18("9","2","1","6","4","9","1") = "8"
    & skf18("9","2","1","6","4","10","1") = "9"
    & skf18("9","2","1","6","5","1","1") = "8"
    & skf18("9","2","1","6","5","2","1") = "8"
    & skf18("9","2","1","6","5","3","1") = "8"
    & skf18("9","2","1","6","5","4","1") = "8"
    & skf18("9","2","1","6","5","5","1") = "8"
    & skf18("9","2","1","6","5","6","1") = "8"
    & skf18("9","2","1","6","5","7","1") = "8"
    & skf18("9","2","1","6","5","8","1") = "8"
    & skf18("9","2","1","6","5","9","1") = "8"
    & skf18("9","2","1","6","5","10","1") = "9"
    & skf18("9","2","1","6","6","1","1") = "8"
    & skf18("9","2","1","6","6","2","1") = "8"
    & skf18("9","2","1","6","6","3","1") = "8"
    & skf18("9","2","1","6","6","4","1") = "8"
    & skf18("9","2","1","6","6","5","1") = "8"
    & skf18("9","2","1","6","6","6","1") = "8"
    & skf18("9","2","1","6","6","7","1") = "8"
    & skf18("9","2","1","6","6","8","1") = "8"
    & skf18("9","2","1","6","6","9","1") = "8"
    & skf18("9","2","1","6","6","10","1") = "9"
    & skf18("9","2","1","6","7","1","1") = "8"
    & skf18("9","2","1","6","7","2","1") = "8"
    & skf18("9","2","1","6","7","3","1") = "8"
    & skf18("9","2","1","6","7","4","1") = "8"
    & skf18("9","2","1","6","7","5","1") = "8"
    & skf18("9","2","1","6","7","6","1") = "8"
    & skf18("9","2","1","6","7","7","1") = "8"
    & skf18("9","2","1","6","7","8","1") = "8"
    & skf18("9","2","1","6","7","9","1") = "8"
    & skf18("9","2","1","6","7","10","1") = "9"
    & skf18("9","2","1","6","8","1","1") = "8"
    & skf18("9","2","1","6","8","2","1") = "8"
    & skf18("9","2","1","6","8","3","1") = "8"
    & skf18("9","2","1","6","8","4","1") = "8"
    & skf18("9","2","1","6","8","5","1") = "8"
    & skf18("9","2","1","6","8","6","1") = "8"
    & skf18("9","2","1","6","8","7","1") = "8"
    & skf18("9","2","1","6","8","8","1") = "8"
    & skf18("9","2","1","6","8","9","1") = "8"
    & skf18("9","2","1","6","8","10","1") = "9"
    & skf18("9","2","1","6","9","1","1") = "8"
    & skf18("9","2","1","6","9","2","1") = "8"
    & skf18("9","2","1","6","9","3","1") = "8"
    & skf18("9","2","1","6","9","4","1") = "8"
    & skf18("9","2","1","6","9","5","1") = "8"
    & skf18("9","2","1","6","9","6","1") = "8"
    & skf18("9","2","1","6","9","7","1") = "8"
    & skf18("9","2","1","6","9","8","1") = "8"
    & skf18("9","2","1","6","9","9","1") = "8"
    & skf18("9","2","1","6","9","10","1") = "9"
    & skf18("9","2","1","6","10","1","1") = "9"
    & skf18("9","2","1","6","10","2","1") = "9"
    & skf18("9","2","1","6","10","3","1") = "9"
    & skf18("9","2","1","6","10","4","1") = "9"
    & skf18("9","2","1","6","10","5","1") = "9"
    & skf18("9","2","1","6","10","6","1") = "9"
    & skf18("9","2","1","6","10","7","1") = "9"
    & skf18("9","2","1","6","10","8","1") = "9"
    & skf18("9","2","1","6","10","9","1") = "9"
    & skf18("9","2","1","6","10","10","1") = "9"
    & skf18("9","2","1","7","1","1","1") = "8"
    & skf18("9","2","1","7","1","2","1") = "8"
    & skf18("9","2","1","7","1","3","1") = "8"
    & skf18("9","2","1","7","1","4","1") = "8"
    & skf18("9","2","1","7","1","5","1") = "8"
    & skf18("9","2","1","7","1","6","1") = "8"
    & skf18("9","2","1","7","1","7","1") = "8"
    & skf18("9","2","1","7","1","8","1") = "8"
    & skf18("9","2","1","7","1","9","1") = "8"
    & skf18("9","2","1","7","1","10","1") = "9"
    & skf18("9","2","1","7","2","1","1") = "8"
    & skf18("9","2","1","7","2","2","1") = "8"
    & skf18("9","2","1","7","2","3","1") = "8"
    & skf18("9","2","1","7","2","4","1") = "8"
    & skf18("9","2","1","7","2","5","1") = "8"
    & skf18("9","2","1","7","2","6","1") = "8"
    & skf18("9","2","1","7","2","7","1") = "8"
    & skf18("9","2","1","7","2","8","1") = "8"
    & skf18("9","2","1","7","2","9","1") = "8"
    & skf18("9","2","1","7","2","10","1") = "9"
    & skf18("9","2","1","7","3","1","1") = "8"
    & skf18("9","2","1","7","3","2","1") = "8"
    & skf18("9","2","1","7","3","3","1") = "8"
    & skf18("9","2","1","7","3","4","1") = "8"
    & skf18("9","2","1","7","3","5","1") = "8"
    & skf18("9","2","1","7","3","6","1") = "8"
    & skf18("9","2","1","7","3","7","1") = "8"
    & skf18("9","2","1","7","3","8","1") = "8"
    & skf18("9","2","1","7","3","9","1") = "8"
    & skf18("9","2","1","7","3","10","1") = "9"
    & skf18("9","2","1","7","4","1","1") = "8"
    & skf18("9","2","1","7","4","2","1") = "8"
    & skf18("9","2","1","7","4","3","1") = "8"
    & skf18("9","2","1","7","4","4","1") = "8"
    & skf18("9","2","1","7","4","5","1") = "8"
    & skf18("9","2","1","7","4","6","1") = "8"
    & skf18("9","2","1","7","4","7","1") = "8"
    & skf18("9","2","1","7","4","8","1") = "8"
    & skf18("9","2","1","7","4","9","1") = "8"
    & skf18("9","2","1","7","4","10","1") = "9"
    & skf18("9","2","1","7","5","1","1") = "8"
    & skf18("9","2","1","7","5","2","1") = "8"
    & skf18("9","2","1","7","5","3","1") = "8"
    & skf18("9","2","1","7","5","4","1") = "8"
    & skf18("9","2","1","7","5","5","1") = "8"
    & skf18("9","2","1","7","5","6","1") = "8"
    & skf18("9","2","1","7","5","7","1") = "8"
    & skf18("9","2","1","7","5","8","1") = "8"
    & skf18("9","2","1","7","5","9","1") = "8"
    & skf18("9","2","1","7","5","10","1") = "9"
    & skf18("9","2","1","7","6","1","1") = "8"
    & skf18("9","2","1","7","6","2","1") = "8"
    & skf18("9","2","1","7","6","3","1") = "8"
    & skf18("9","2","1","7","6","4","1") = "8"
    & skf18("9","2","1","7","6","5","1") = "8"
    & skf18("9","2","1","7","6","6","1") = "8"
    & skf18("9","2","1","7","6","7","1") = "8"
    & skf18("9","2","1","7","6","8","1") = "8"
    & skf18("9","2","1","7","6","9","1") = "8"
    & skf18("9","2","1","7","6","10","1") = "9"
    & skf18("9","2","1","7","7","1","1") = "8"
    & skf18("9","2","1","7","7","2","1") = "8"
    & skf18("9","2","1","7","7","3","1") = "8"
    & skf18("9","2","1","7","7","4","1") = "8"
    & skf18("9","2","1","7","7","5","1") = "8"
    & skf18("9","2","1","7","7","6","1") = "8"
    & skf18("9","2","1","7","7","7","1") = "8"
    & skf18("9","2","1","7","7","8","1") = "8"
    & skf18("9","2","1","7","7","9","1") = "8"
    & skf18("9","2","1","7","7","10","1") = "9"
    & skf18("9","2","1","7","8","1","1") = "8"
    & skf18("9","2","1","7","8","2","1") = "8"
    & skf18("9","2","1","7","8","3","1") = "8"
    & skf18("9","2","1","7","8","4","1") = "8"
    & skf18("9","2","1","7","8","5","1") = "8"
    & skf18("9","2","1","7","8","6","1") = "8"
    & skf18("9","2","1","7","8","7","1") = "8"
    & skf18("9","2","1","7","8","8","1") = "8"
    & skf18("9","2","1","7","8","9","1") = "8"
    & skf18("9","2","1","7","8","10","1") = "9"
    & skf18("9","2","1","7","9","1","1") = "8"
    & skf18("9","2","1","7","9","2","1") = "8"
    & skf18("9","2","1","7","9","3","1") = "8"
    & skf18("9","2","1","7","9","4","1") = "8"
    & skf18("9","2","1","7","9","5","1") = "8"
    & skf18("9","2","1","7","9","6","1") = "8"
    & skf18("9","2","1","7","9","7","1") = "8"
    & skf18("9","2","1","7","9","8","1") = "8"
    & skf18("9","2","1","7","9","9","1") = "8"
    & skf18("9","2","1","7","9","10","1") = "9"
    & skf18("9","2","1","7","10","1","1") = "9"
    & skf18("9","2","1","7","10","2","1") = "9"
    & skf18("9","2","1","7","10","3","1") = "9"
    & skf18("9","2","1","7","10","4","1") = "9"
    & skf18("9","2","1","7","10","5","1") = "9"
    & skf18("9","2","1","7","10","6","1") = "9"
    & skf18("9","2","1","7","10","7","1") = "9"
    & skf18("9","2","1","7","10","8","1") = "9"
    & skf18("9","2","1","7","10","9","1") = "9"
    & skf18("9","2","1","7","10","10","1") = "9"
    & skf18("9","2","1","8","1","1","1") = "8"
    & skf18("9","2","1","8","1","2","1") = "8"
    & skf18("9","2","1","8","1","3","1") = "8"
    & skf18("9","2","1","8","1","4","1") = "8"
    & skf18("9","2","1","8","1","5","1") = "8"
    & skf18("9","2","1","8","1","6","1") = "8"
    & skf18("9","2","1","8","1","7","1") = "8"
    & skf18("9","2","1","8","1","8","1") = "8"
    & skf18("9","2","1","8","1","9","1") = "8"
    & skf18("9","2","1","8","1","10","1") = "9"
    & skf18("9","2","1","8","2","1","1") = "8"
    & skf18("9","2","1","8","2","2","1") = "8"
    & skf18("9","2","1","8","2","3","1") = "8"
    & skf18("9","2","1","8","2","4","1") = "8"
    & skf18("9","2","1","8","2","5","1") = "8"
    & skf18("9","2","1","8","2","6","1") = "8"
    & skf18("9","2","1","8","2","7","1") = "8"
    & skf18("9","2","1","8","2","8","1") = "8"
    & skf18("9","2","1","8","2","9","1") = "8"
    & skf18("9","2","1","8","2","10","1") = "9"
    & skf18("9","2","1","8","3","1","1") = "8"
    & skf18("9","2","1","8","3","2","1") = "8"
    & skf18("9","2","1","8","3","3","1") = "8"
    & skf18("9","2","1","8","3","4","1") = "8"
    & skf18("9","2","1","8","3","5","1") = "8"
    & skf18("9","2","1","8","3","6","1") = "8"
    & skf18("9","2","1","8","3","7","1") = "8"
    & skf18("9","2","1","8","3","8","1") = "8"
    & skf18("9","2","1","8","3","9","1") = "8"
    & skf18("9","2","1","8","3","10","1") = "9"
    & skf18("9","2","1","8","4","1","1") = "8"
    & skf18("9","2","1","8","4","2","1") = "8"
    & skf18("9","2","1","8","4","3","1") = "8"
    & skf18("9","2","1","8","4","4","1") = "8"
    & skf18("9","2","1","8","4","5","1") = "8"
    & skf18("9","2","1","8","4","6","1") = "8"
    & skf18("9","2","1","8","4","7","1") = "8"
    & skf18("9","2","1","8","4","8","1") = "8"
    & skf18("9","2","1","8","4","9","1") = "8"
    & skf18("9","2","1","8","4","10","1") = "9"
    & skf18("9","2","1","8","5","1","1") = "8"
    & skf18("9","2","1","8","5","2","1") = "8"
    & skf18("9","2","1","8","5","3","1") = "8"
    & skf18("9","2","1","8","5","4","1") = "8"
    & skf18("9","2","1","8","5","5","1") = "8"
    & skf18("9","2","1","8","5","6","1") = "8"
    & skf18("9","2","1","8","5","7","1") = "8"
    & skf18("9","2","1","8","5","8","1") = "8"
    & skf18("9","2","1","8","5","9","1") = "8"
    & skf18("9","2","1","8","5","10","1") = "9"
    & skf18("9","2","1","8","6","1","1") = "8"
    & skf18("9","2","1","8","6","2","1") = "8"
    & skf18("9","2","1","8","6","3","1") = "8"
    & skf18("9","2","1","8","6","4","1") = "8"
    & skf18("9","2","1","8","6","5","1") = "8"
    & skf18("9","2","1","8","6","6","1") = "8"
    & skf18("9","2","1","8","6","7","1") = "8"
    & skf18("9","2","1","8","6","8","1") = "8"
    & skf18("9","2","1","8","6","9","1") = "8"
    & skf18("9","2","1","8","6","10","1") = "9"
    & skf18("9","2","1","8","7","1","1") = "8"
    & skf18("9","2","1","8","7","2","1") = "8"
    & skf18("9","2","1","8","7","3","1") = "8"
    & skf18("9","2","1","8","7","4","1") = "8"
    & skf18("9","2","1","8","7","5","1") = "8"
    & skf18("9","2","1","8","7","6","1") = "8"
    & skf18("9","2","1","8","7","7","1") = "8"
    & skf18("9","2","1","8","7","8","1") = "8"
    & skf18("9","2","1","8","7","9","1") = "8"
    & skf18("9","2","1","8","7","10","1") = "9"
    & skf18("9","2","1","8","8","1","1") = "8"
    & skf18("9","2","1","8","8","2","1") = "8"
    & skf18("9","2","1","8","8","3","1") = "8"
    & skf18("9","2","1","8","8","4","1") = "8"
    & skf18("9","2","1","8","8","5","1") = "8"
    & skf18("9","2","1","8","8","6","1") = "8"
    & skf18("9","2","1","8","8","7","1") = "8"
    & skf18("9","2","1","8","8","8","1") = "8"
    & skf18("9","2","1","8","8","9","1") = "8"
    & skf18("9","2","1","8","8","10","1") = "9"
    & skf18("9","2","1","8","9","1","1") = "8"
    & skf18("9","2","1","8","9","2","1") = "8"
    & skf18("9","2","1","8","9","3","1") = "8"
    & skf18("9","2","1","8","9","4","1") = "8"
    & skf18("9","2","1","8","9","5","1") = "8"
    & skf18("9","2","1","8","9","6","1") = "8"
    & skf18("9","2","1","8","9","7","1") = "8"
    & skf18("9","2","1","8","9","8","1") = "8"
    & skf18("9","2","1","8","9","9","1") = "8"
    & skf18("9","2","1","8","9","10","1") = "9"
    & skf18("9","2","1","8","10","1","1") = "9"
    & skf18("9","2","1","8","10","2","1") = "9"
    & skf18("9","2","1","8","10","3","1") = "9"
    & skf18("9","2","1","8","10","4","1") = "9"
    & skf18("9","2","1","8","10","5","1") = "9"
    & skf18("9","2","1","8","10","6","1") = "9"
    & skf18("9","2","1","8","10","7","1") = "9"
    & skf18("9","2","1","8","10","8","1") = "9"
    & skf18("9","2","1","8","10","9","1") = "9"
    & skf18("9","2","1","8","10","10","1") = "9"
    & skf18("9","2","1","9","1","1","1") = "8"
    & skf18("9","2","1","9","1","2","1") = "8"
    & skf18("9","2","1","9","1","3","1") = "8"
    & skf18("9","2","1","9","1","4","1") = "8"
    & skf18("9","2","1","9","1","5","1") = "8"
    & skf18("9","2","1","9","1","6","1") = "8"
    & skf18("9","2","1","9","1","7","1") = "8"
    & skf18("9","2","1","9","1","8","1") = "8"
    & skf18("9","2","1","9","1","9","1") = "8"
    & skf18("9","2","1","9","1","10","1") = "9"
    & skf18("9","2","1","9","2","1","1") = "8"
    & skf18("9","2","1","9","2","2","1") = "8"
    & skf18("9","2","1","9","2","3","1") = "8"
    & skf18("9","2","1","9","2","4","1") = "8"
    & skf18("9","2","1","9","2","5","1") = "8"
    & skf18("9","2","1","9","2","6","1") = "8"
    & skf18("9","2","1","9","2","7","1") = "8"
    & skf18("9","2","1","9","2","8","1") = "8"
    & skf18("9","2","1","9","2","9","1") = "8"
    & skf18("9","2","1","9","2","10","1") = "9"
    & skf18("9","2","1","9","3","1","1") = "8"
    & skf18("9","2","1","9","3","2","1") = "8"
    & skf18("9","2","1","9","3","3","1") = "8"
    & skf18("9","2","1","9","3","4","1") = "8"
    & skf18("9","2","1","9","3","5","1") = "8"
    & skf18("9","2","1","9","3","6","1") = "8"
    & skf18("9","2","1","9","3","7","1") = "8"
    & skf18("9","2","1","9","3","8","1") = "8"
    & skf18("9","2","1","9","3","9","1") = "8"
    & skf18("9","2","1","9","3","10","1") = "9"
    & skf18("9","2","1","9","4","1","1") = "8"
    & skf18("9","2","1","9","4","2","1") = "8"
    & skf18("9","2","1","9","4","3","1") = "8"
    & skf18("9","2","1","9","4","4","1") = "8"
    & skf18("9","2","1","9","4","5","1") = "8"
    & skf18("9","2","1","9","4","6","1") = "8"
    & skf18("9","2","1","9","4","7","1") = "8"
    & skf18("9","2","1","9","4","8","1") = "8"
    & skf18("9","2","1","9","4","9","1") = "8"
    & skf18("9","2","1","9","4","10","1") = "9"
    & skf18("9","2","1","9","5","1","1") = "8"
    & skf18("9","2","1","9","5","2","1") = "8"
    & skf18("9","2","1","9","5","3","1") = "8"
    & skf18("9","2","1","9","5","4","1") = "8"
    & skf18("9","2","1","9","5","5","1") = "8"
    & skf18("9","2","1","9","5","6","1") = "8"
    & skf18("9","2","1","9","5","7","1") = "8"
    & skf18("9","2","1","9","5","8","1") = "8"
    & skf18("9","2","1","9","5","9","1") = "8"
    & skf18("9","2","1","9","5","10","1") = "9"
    & skf18("9","2","1","9","6","1","1") = "8"
    & skf18("9","2","1","9","6","2","1") = "8"
    & skf18("9","2","1","9","6","3","1") = "8"
    & skf18("9","2","1","9","6","4","1") = "8"
    & skf18("9","2","1","9","6","5","1") = "8"
    & skf18("9","2","1","9","6","6","1") = "8"
    & skf18("9","2","1","9","6","7","1") = "8"
    & skf18("9","2","1","9","6","8","1") = "8"
    & skf18("9","2","1","9","6","9","1") = "8"
    & skf18("9","2","1","9","6","10","1") = "9"
    & skf18("9","2","1","9","7","1","1") = "8"
    & skf18("9","2","1","9","7","2","1") = "8"
    & skf18("9","2","1","9","7","3","1") = "8"
    & skf18("9","2","1","9","7","4","1") = "8"
    & skf18("9","2","1","9","7","5","1") = "8"
    & skf18("9","2","1","9","7","6","1") = "8"
    & skf18("9","2","1","9","7","7","1") = "8"
    & skf18("9","2","1","9","7","8","1") = "8"
    & skf18("9","2","1","9","7","9","1") = "8"
    & skf18("9","2","1","9","7","10","1") = "9"
    & skf18("9","2","1","9","8","1","1") = "8"
    & skf18("9","2","1","9","8","2","1") = "8"
    & skf18("9","2","1","9","8","3","1") = "8"
    & skf18("9","2","1","9","8","4","1") = "8"
    & skf18("9","2","1","9","8","5","1") = "8"
    & skf18("9","2","1","9","8","6","1") = "8"
    & skf18("9","2","1","9","8","7","1") = "8"
    & skf18("9","2","1","9","8","8","1") = "8"
    & skf18("9","2","1","9","8","9","1") = "8"
    & skf18("9","2","1","9","8","10","1") = "9"
    & skf18("9","2","1","9","9","1","1") = "8"
    & skf18("9","2","1","9","9","2","1") = "8"
    & skf18("9","2","1","9","9","3","1") = "8"
    & skf18("9","2","1","9","9","4","1") = "8"
    & skf18("9","2","1","9","9","5","1") = "8"
    & skf18("9","2","1","9","9","6","1") = "8"
    & skf18("9","2","1","9","9","7","1") = "8"
    & skf18("9","2","1","9","9","8","1") = "8"
    & skf18("9","2","1","9","9","9","1") = "8"
    & skf18("9","2","1","9","9","10","1") = "9"
    & skf18("9","2","1","9","10","1","1") = "9"
    & skf18("9","2","1","9","10","2","1") = "9"
    & skf18("9","2","1","9","10","3","1") = "9"
    & skf18("9","2","1","9","10","4","1") = "9"
    & skf18("9","2","1","9","10","5","1") = "9"
    & skf18("9","2","1","9","10","6","1") = "9"
    & skf18("9","2","1","9","10","7","1") = "9"
    & skf18("9","2","1","9","10","8","1") = "9"
    & skf18("9","2","1","9","10","9","1") = "9"
    & skf18("9","2","1","9","10","10","1") = "9"
    & skf18("9","2","1","10","1","1","1") = "9"
    & skf18("9","2","1","10","1","2","1") = "9"
    & skf18("9","2","1","10","1","3","1") = "9"
    & skf18("9","2","1","10","1","4","1") = "9"
    & skf18("9","2","1","10","1","5","1") = "9"
    & skf18("9","2","1","10","1","6","1") = "9"
    & skf18("9","2","1","10","1","7","1") = "9"
    & skf18("9","2","1","10","1","8","1") = "9"
    & skf18("9","2","1","10","1","9","1") = "9"
    & skf18("9","2","1","10","1","10","1") = "9"
    & skf18("9","2","1","10","2","1","1") = "9"
    & skf18("9","2","1","10","2","2","1") = "9"
    & skf18("9","2","1","10","2","3","1") = "9"
    & skf18("9","2","1","10","2","4","1") = "9"
    & skf18("9","2","1","10","2","5","1") = "9"
    & skf18("9","2","1","10","2","6","1") = "9"
    & skf18("9","2","1","10","2","7","1") = "9"
    & skf18("9","2","1","10","2","8","1") = "9"
    & skf18("9","2","1","10","2","9","1") = "9"
    & skf18("9","2","1","10","2","10","1") = "9"
    & skf18("9","2","1","10","3","1","1") = "9"
    & skf18("9","2","1","10","3","2","1") = "9"
    & skf18("9","2","1","10","3","3","1") = "9"
    & skf18("9","2","1","10","3","4","1") = "9"
    & skf18("9","2","1","10","3","5","1") = "9"
    & skf18("9","2","1","10","3","6","1") = "9"
    & skf18("9","2","1","10","3","7","1") = "9"
    & skf18("9","2","1","10","3","8","1") = "9"
    & skf18("9","2","1","10","3","9","1") = "9"
    & skf18("9","2","1","10","3","10","1") = "9"
    & skf18("9","2","1","10","4","1","1") = "9"
    & skf18("9","2","1","10","4","2","1") = "9"
    & skf18("9","2","1","10","4","3","1") = "9"
    & skf18("9","2","1","10","4","4","1") = "9"
    & skf18("9","2","1","10","4","5","1") = "9"
    & skf18("9","2","1","10","4","6","1") = "9"
    & skf18("9","2","1","10","4","7","1") = "9"
    & skf18("9","2","1","10","4","8","1") = "9"
    & skf18("9","2","1","10","4","9","1") = "9"
    & skf18("9","2","1","10","4","10","1") = "9"
    & skf18("9","2","1","10","5","1","1") = "9"
    & skf18("9","2","1","10","5","2","1") = "9"
    & skf18("9","2","1","10","5","3","1") = "9"
    & skf18("9","2","1","10","5","4","1") = "9"
    & skf18("9","2","1","10","5","5","1") = "9"
    & skf18("9","2","1","10","5","6","1") = "9"
    & skf18("9","2","1","10","5","7","1") = "9"
    & skf18("9","2","1","10","5","8","1") = "9"
    & skf18("9","2","1","10","5","9","1") = "9"
    & skf18("9","2","1","10","5","10","1") = "9"
    & skf18("9","2","1","10","6","1","1") = "9"
    & skf18("9","2","1","10","6","2","1") = "9"
    & skf18("9","2","1","10","6","3","1") = "9"
    & skf18("9","2","1","10","6","4","1") = "9"
    & skf18("9","2","1","10","6","5","1") = "9"
    & skf18("9","2","1","10","6","6","1") = "9"
    & skf18("9","2","1","10","6","7","1") = "9"
    & skf18("9","2","1","10","6","8","1") = "9"
    & skf18("9","2","1","10","6","9","1") = "9"
    & skf18("9","2","1","10","6","10","1") = "9"
    & skf18("9","2","1","10","7","1","1") = "9"
    & skf18("9","2","1","10","7","2","1") = "9"
    & skf18("9","2","1","10","7","3","1") = "9"
    & skf18("9","2","1","10","7","4","1") = "9"
    & skf18("9","2","1","10","7","5","1") = "9"
    & skf18("9","2","1","10","7","6","1") = "9"
    & skf18("9","2","1","10","7","7","1") = "9"
    & skf18("9","2","1","10","7","8","1") = "9"
    & skf18("9","2","1","10","7","9","1") = "9"
    & skf18("9","2","1","10","7","10","1") = "9"
    & skf18("9","2","1","10","8","1","1") = "9"
    & skf18("9","2","1","10","8","2","1") = "9"
    & skf18("9","2","1","10","8","3","1") = "9"
    & skf18("9","2","1","10","8","4","1") = "9"
    & skf18("9","2","1","10","8","5","1") = "9"
    & skf18("9","2","1","10","8","6","1") = "9"
    & skf18("9","2","1","10","8","7","1") = "9"
    & skf18("9","2","1","10","8","8","1") = "9"
    & skf18("9","2","1","10","8","9","1") = "9"
    & skf18("9","2","1","10","8","10","1") = "9"
    & skf18("9","2","1","10","9","1","1") = "9"
    & skf18("9","2","1","10","9","2","1") = "9"
    & skf18("9","2","1","10","9","3","1") = "9"
    & skf18("9","2","1","10","9","4","1") = "9"
    & skf18("9","2","1","10","9","5","1") = "9"
    & skf18("9","2","1","10","9","6","1") = "9"
    & skf18("9","2","1","10","9","7","1") = "9"
    & skf18("9","2","1","10","9","8","1") = "9"
    & skf18("9","2","1","10","9","9","1") = "9"
    & skf18("9","2","1","10","9","10","1") = "9"
    & skf18("9","2","1","10","10","1","1") = "9"
    & skf18("9","2","1","10","10","2","1") = "9"
    & skf18("9","2","1","10","10","3","1") = "9"
    & skf18("9","2","1","10","10","4","1") = "9"
    & skf18("9","2","1","10","10","5","1") = "9"
    & skf18("9","2","1","10","10","6","1") = "9"
    & skf18("9","2","1","10","10","7","1") = "9"
    & skf18("9","2","1","10","10","8","1") = "9"
    & skf18("9","2","1","10","10","9","1") = "9"
    & skf18("9","2","1","10","10","10","1") = "9"
    & skf18("9","2","2","1","1","1","1") = "8"
    & skf18("9","2","2","1","1","2","1") = "8"
    & skf18("9","2","2","1","1","3","1") = "8"
    & skf18("9","2","2","1","1","4","1") = "8"
    & skf18("9","2","2","1","1","5","1") = "8"
    & skf18("9","2","2","1","1","6","1") = "8"
    & skf18("9","2","2","1","1","7","1") = "8"
    & skf18("9","2","2","1","1","8","1") = "8"
    & skf18("9","2","2","1","1","9","1") = "8"
    & skf18("9","2","2","1","1","10","1") = "9"
    & skf18("9","2","2","1","2","1","1") = "8"
    & skf18("9","2","2","1","2","2","1") = "8"
    & skf18("9","2","2","1","2","3","1") = "8"
    & skf18("9","2","2","1","2","4","1") = "8"
    & skf18("9","2","2","1","2","5","1") = "8"
    & skf18("9","2","2","1","2","6","1") = "8"
    & skf18("9","2","2","1","2","7","1") = "8"
    & skf18("9","2","2","1","2","8","1") = "8"
    & skf18("9","2","2","1","2","9","1") = "8"
    & skf18("9","2","2","1","2","10","1") = "9"
    & skf18("9","2","2","1","3","1","1") = "8"
    & skf18("9","2","2","1","3","2","1") = "8"
    & skf18("9","2","2","1","3","3","1") = "8"
    & skf18("9","2","2","1","3","4","1") = "8"
    & skf18("9","2","2","1","3","5","1") = "8"
    & skf18("9","2","2","1","3","6","1") = "8"
    & skf18("9","2","2","1","3","7","1") = "8"
    & skf18("9","2","2","1","3","8","1") = "8"
    & skf18("9","2","2","1","3","9","1") = "8"
    & skf18("9","2","2","1","3","10","1") = "9"
    & skf18("9","2","2","1","4","1","1") = "8"
    & skf18("9","2","2","1","4","2","1") = "8"
    & skf18("9","2","2","1","4","3","1") = "8"
    & skf18("9","2","2","1","4","4","1") = "8"
    & skf18("9","2","2","1","4","5","1") = "8"
    & skf18("9","2","2","1","4","6","1") = "8"
    & skf18("9","2","2","1","4","7","1") = "8"
    & skf18("9","2","2","1","4","8","1") = "8"
    & skf18("9","2","2","1","4","9","1") = "8"
    & skf18("9","2","2","1","4","10","1") = "9"
    & skf18("9","2","2","1","5","1","1") = "8"
    & skf18("9","2","2","1","5","2","1") = "8"
    & skf18("9","2","2","1","5","3","1") = "8"
    & skf18("9","2","2","1","5","4","1") = "8"
    & skf18("9","2","2","1","5","5","1") = "8"
    & skf18("9","2","2","1","5","6","1") = "8"
    & skf18("9","2","2","1","5","7","1") = "8"
    & skf18("9","2","2","1","5","8","1") = "8"
    & skf18("9","2","2","1","5","9","1") = "8"
    & skf18("9","2","2","1","5","10","1") = "9"
    & skf18("9","2","2","1","6","1","1") = "8"
    & skf18("9","2","2","1","6","2","1") = "8"
    & skf18("9","2","2","1","6","3","1") = "8"
    & skf18("9","2","2","1","6","4","1") = "8"
    & skf18("9","2","2","1","6","5","1") = "8"
    & skf18("9","2","2","1","6","6","1") = "8"
    & skf18("9","2","2","1","6","7","1") = "8"
    & skf18("9","2","2","1","6","8","1") = "8"
    & skf18("9","2","2","1","6","9","1") = "8"
    & skf18("9","2","2","1","6","10","1") = "9"
    & skf18("9","2","2","1","7","1","1") = "8"
    & skf18("9","2","2","1","7","2","1") = "8"
    & skf18("9","2","2","1","7","3","1") = "8"
    & skf18("9","2","2","1","7","4","1") = "8"
    & skf18("9","2","2","1","7","5","1") = "8"
    & skf18("9","2","2","1","7","6","1") = "8"
    & skf18("9","2","2","1","7","7","1") = "8"
    & skf18("9","2","2","1","7","8","1") = "8"
    & skf18("9","2","2","1","7","9","1") = "8"
    & skf18("9","2","2","1","7","10","1") = "9"
    & skf18("9","2","2","1","8","1","1") = "8"
    & skf18("9","2","2","1","8","2","1") = "8"
    & skf18("9","2","2","1","8","3","1") = "8"
    & skf18("9","2","2","1","8","4","1") = "8"
    & skf18("9","2","2","1","8","5","1") = "8"
    & skf18("9","2","2","1","8","6","1") = "8"
    & skf18("9","2","2","1","8","7","1") = "8"
    & skf18("9","2","2","1","8","8","1") = "8"
    & skf18("9","2","2","1","8","9","1") = "8"
    & skf18("9","2","2","1","8","10","1") = "9"
    & skf18("9","2","2","1","9","1","1") = "8"
    & skf18("9","2","2","1","9","2","1") = "8"
    & skf18("9","2","2","1","9","3","1") = "8"
    & skf18("9","2","2","1","9","4","1") = "8"
    & skf18("9","2","2","1","9","5","1") = "8"
    & skf18("9","2","2","1","9","6","1") = "8"
    & skf18("9","2","2","1","9","7","1") = "8"
    & skf18("9","2","2","1","9","8","1") = "8"
    & skf18("9","2","2","1","9","9","1") = "8"
    & skf18("9","2","2","1","9","10","1") = "9"
    & skf18("9","2","2","1","10","1","1") = "9"
    & skf18("9","2","2","1","10","2","1") = "9"
    & skf18("9","2","2","1","10","3","1") = "9"
    & skf18("9","2","2","1","10","4","1") = "9"
    & skf18("9","2","2","1","10","5","1") = "9"
    & skf18("9","2","2","1","10","6","1") = "9"
    & skf18("9","2","2","1","10","7","1") = "9"
    & skf18("9","2","2","1","10","8","1") = "9"
    & skf18("9","2","2","1","10","9","1") = "9"
    & skf18("9","2","2","1","10","10","1") = "9"
    & skf18("9","2","2","2","1","1","1") = "8"
    & skf18("9","2","2","2","1","2","1") = "8"
    & skf18("9","2","2","2","1","3","1") = "8"
    & skf18("9","2","2","2","1","4","1") = "8"
    & skf18("9","2","2","2","1","5","1") = "8"
    & skf18("9","2","2","2","1","6","1") = "8"
    & skf18("9","2","2","2","1","7","1") = "8"
    & skf18("9","2","2","2","1","8","1") = "8"
    & skf18("9","2","2","2","1","9","1") = "8"
    & skf18("9","2","2","2","1","10","1") = "9"
    & skf18("9","2","2","2","2","1","1") = "8"
    & skf18("9","2","2","2","2","2","1") = "8"
    & skf18("9","2","2","2","2","3","1") = "8"
    & skf18("9","2","2","2","2","4","1") = "8"
    & skf18("9","2","2","2","2","5","1") = "8"
    & skf18("9","2","2","2","2","6","1") = "8"
    & skf18("9","2","2","2","2","7","1") = "8"
    & skf18("9","2","2","2","2","8","1") = "8"
    & skf18("9","2","2","2","2","9","1") = "8"
    & skf18("9","2","2","2","2","10","1") = "9"
    & skf18("9","2","2","2","3","1","1") = "8"
    & skf18("9","2","2","2","3","2","1") = "8"
    & skf18("9","2","2","2","3","3","1") = "8"
    & skf18("9","2","2","2","3","4","1") = "8"
    & skf18("9","2","2","2","3","5","1") = "8"
    & skf18("9","2","2","2","3","6","1") = "8"
    & skf18("9","2","2","2","3","7","1") = "8"
    & skf18("9","2","2","2","3","8","1") = "8"
    & skf18("9","2","2","2","3","9","1") = "8"
    & skf18("9","2","2","2","3","10","1") = "9"
    & skf18("9","2","2","2","4","1","1") = "8"
    & skf18("9","2","2","2","4","2","1") = "8"
    & skf18("9","2","2","2","4","3","1") = "8"
    & skf18("9","2","2","2","4","4","1") = "8"
    & skf18("9","2","2","2","4","5","1") = "8"
    & skf18("9","2","2","2","4","6","1") = "8"
    & skf18("9","2","2","2","4","7","1") = "8"
    & skf18("9","2","2","2","4","8","1") = "8"
    & skf18("9","2","2","2","4","9","1") = "8"
    & skf18("9","2","2","2","4","10","1") = "9"
    & skf18("9","2","2","2","5","1","1") = "8"
    & skf18("9","2","2","2","5","2","1") = "8"
    & skf18("9","2","2","2","5","3","1") = "8"
    & skf18("9","2","2","2","5","4","1") = "8"
    & skf18("9","2","2","2","5","5","1") = "8"
    & skf18("9","2","2","2","5","6","1") = "8"
    & skf18("9","2","2","2","5","7","1") = "8"
    & skf18("9","2","2","2","5","8","1") = "8"
    & skf18("9","2","2","2","5","9","1") = "8"
    & skf18("9","2","2","2","5","10","1") = "9"
    & skf18("9","2","2","2","6","1","1") = "8"
    & skf18("9","2","2","2","6","2","1") = "8"
    & skf18("9","2","2","2","6","3","1") = "8"
    & skf18("9","2","2","2","6","4","1") = "8"
    & skf18("9","2","2","2","6","5","1") = "8"
    & skf18("9","2","2","2","6","6","1") = "8"
    & skf18("9","2","2","2","6","7","1") = "8"
    & skf18("9","2","2","2","6","8","1") = "8"
    & skf18("9","2","2","2","6","9","1") = "8"
    & skf18("9","2","2","2","6","10","1") = "9"
    & skf18("9","2","2","2","7","1","1") = "8"
    & skf18("9","2","2","2","7","2","1") = "8"
    & skf18("9","2","2","2","7","3","1") = "8"
    & skf18("9","2","2","2","7","4","1") = "8"
    & skf18("9","2","2","2","7","5","1") = "8"
    & skf18("9","2","2","2","7","6","1") = "8"
    & skf18("9","2","2","2","7","7","1") = "8"
    & skf18("9","2","2","2","7","8","1") = "8"
    & skf18("9","2","2","2","7","9","1") = "8"
    & skf18("9","2","2","2","7","10","1") = "9"
    & skf18("9","2","2","2","8","1","1") = "8"
    & skf18("9","2","2","2","8","2","1") = "8"
    & skf18("9","2","2","2","8","3","1") = "8"
    & skf18("9","2","2","2","8","4","1") = "8"
    & skf18("9","2","2","2","8","5","1") = "8"
    & skf18("9","2","2","2","8","6","1") = "8"
    & skf18("9","2","2","2","8","7","1") = "8"
    & skf18("9","2","2","2","8","8","1") = "8"
    & skf18("9","2","2","2","8","9","1") = "8"
    & skf18("9","2","2","2","8","10","1") = "9"
    & skf18("9","2","2","2","9","1","1") = "8"
    & skf18("9","2","2","2","9","2","1") = "8"
    & skf18("9","2","2","2","9","3","1") = "8"
    & skf18("9","2","2","2","9","4","1") = "8"
    & skf18("9","2","2","2","9","5","1") = "8"
    & skf18("9","2","2","2","9","6","1") = "8"
    & skf18("9","2","2","2","9","7","1") = "8"
    & skf18("9","2","2","2","9","8","1") = "8"
    & skf18("9","2","2","2","9","9","1") = "8"
    & skf18("9","2","2","2","9","10","1") = "9"
    & skf18("9","2","2","2","10","1","1") = "9"
    & skf18("9","2","2","2","10","2","1") = "9"
    & skf18("9","2","2","2","10","3","1") = "9"
    & skf18("9","2","2","2","10","4","1") = "9"
    & skf18("9","2","2","2","10","5","1") = "9"
    & skf18("9","2","2","2","10","6","1") = "9"
    & skf18("9","2","2","2","10","7","1") = "9"
    & skf18("9","2","2","2","10","8","1") = "9"
    & skf18("9","2","2","2","10","9","1") = "9"
    & skf18("9","2","2","2","10","10","1") = "9"
    & skf18("9","2","2","3","1","1","1") = "8"
    & skf18("9","2","2","3","1","2","1") = "8"
    & skf18("9","2","2","3","1","3","1") = "8"
    & skf18("9","2","2","3","1","4","1") = "8"
    & skf18("9","2","2","3","1","5","1") = "8"
    & skf18("9","2","2","3","1","6","1") = "8"
    & skf18("9","2","2","3","1","7","1") = "8"
    & skf18("9","2","2","3","1","8","1") = "8"
    & skf18("9","2","2","3","1","9","1") = "8"
    & skf18("9","2","2","3","1","10","1") = "9"
    & skf18("9","2","2","3","2","1","1") = "8"
    & skf18("9","2","2","3","2","2","1") = "8"
    & skf18("9","2","2","3","2","3","1") = "8"
    & skf18("9","2","2","3","2","4","1") = "8"
    & skf18("9","2","2","3","2","5","1") = "8"
    & skf18("9","2","2","3","2","6","1") = "8"
    & skf18("9","2","2","3","2","7","1") = "8"
    & skf18("9","2","2","3","2","8","1") = "8"
    & skf18("9","2","2","3","2","9","1") = "8"
    & skf18("9","2","2","3","2","10","1") = "9"
    & skf18("9","2","2","3","3","1","1") = "8"
    & skf18("9","2","2","3","3","2","1") = "8"
    & skf18("9","2","2","3","3","3","1") = "8"
    & skf18("9","2","2","3","3","4","1") = "8"
    & skf18("9","2","2","3","3","5","1") = "8"
    & skf18("9","2","2","3","3","6","1") = "8"
    & skf18("9","2","2","3","3","7","1") = "8"
    & skf18("9","2","2","3","3","8","1") = "8"
    & skf18("9","2","2","3","3","9","1") = "8"
    & skf18("9","2","2","3","3","10","1") = "9"
    & skf18("9","2","2","3","4","1","1") = "8"
    & skf18("9","2","2","3","4","2","1") = "8"
    & skf18("9","2","2","3","4","3","1") = "8"
    & skf18("9","2","2","3","4","4","1") = "8"
    & skf18("9","2","2","3","4","5","1") = "8"
    & skf18("9","2","2","3","4","6","1") = "8"
    & skf18("9","2","2","3","4","7","1") = "8"
    & skf18("9","2","2","3","4","8","1") = "8"
    & skf18("9","2","2","3","4","9","1") = "8"
    & skf18("9","2","2","3","4","10","1") = "9"
    & skf18("9","2","2","3","5","1","1") = "8"
    & skf18("9","2","2","3","5","2","1") = "8"
    & skf18("9","2","2","3","5","3","1") = "8"
    & skf18("9","2","2","3","5","4","1") = "8"
    & skf18("9","2","2","3","5","5","1") = "8"
    & skf18("9","2","2","3","5","6","1") = "8"
    & skf18("9","2","2","3","5","7","1") = "8"
    & skf18("9","2","2","3","5","8","1") = "8"
    & skf18("9","2","2","3","5","9","1") = "8"
    & skf18("9","2","2","3","5","10","1") = "9"
    & skf18("9","2","2","3","6","1","1") = "8"
    & skf18("9","2","2","3","6","2","1") = "8"
    & skf18("9","2","2","3","6","3","1") = "8"
    & skf18("9","2","2","3","6","4","1") = "8"
    & skf18("9","2","2","3","6","5","1") = "8"
    & skf18("9","2","2","3","6","6","1") = "8"
    & skf18("9","2","2","3","6","7","1") = "8"
    & skf18("9","2","2","3","6","8","1") = "8"
    & skf18("9","2","2","3","6","9","1") = "8"
    & skf18("9","2","2","3","6","10","1") = "9"
    & skf18("9","2","2","3","7","1","1") = "8"
    & skf18("9","2","2","3","7","2","1") = "8"
    & skf18("9","2","2","3","7","3","1") = "8"
    & skf18("9","2","2","3","7","4","1") = "8"
    & skf18("9","2","2","3","7","5","1") = "8"
    & skf18("9","2","2","3","7","6","1") = "8"
    & skf18("9","2","2","3","7","7","1") = "8"
    & skf18("9","2","2","3","7","8","1") = "8"
    & skf18("9","2","2","3","7","9","1") = "8"
    & skf18("9","2","2","3","7","10","1") = "9"
    & skf18("9","2","2","3","8","1","1") = "8"
    & skf18("9","2","2","3","8","2","1") = "8"
    & skf18("9","2","2","3","8","3","1") = "8"
    & skf18("9","2","2","3","8","4","1") = "8"
    & skf18("9","2","2","3","8","5","1") = "8"
    & skf18("9","2","2","3","8","6","1") = "8"
    & skf18("9","2","2","3","8","7","1") = "8"
    & skf18("9","2","2","3","8","8","1") = "8"
    & skf18("9","2","2","3","8","9","1") = "8"
    & skf18("9","2","2","3","8","10","1") = "9"
    & skf18("9","2","2","3","9","1","1") = "8"
    & skf18("9","2","2","3","9","2","1") = "8"
    & skf18("9","2","2","3","9","3","1") = "8"
    & skf18("9","2","2","3","9","4","1") = "8"
    & skf18("9","2","2","3","9","5","1") = "8"
    & skf18("9","2","2","3","9","6","1") = "8"
    & skf18("9","2","2","3","9","7","1") = "8"
    & skf18("9","2","2","3","9","8","1") = "8"
    & skf18("9","2","2","3","9","9","1") = "8"
    & skf18("9","2","2","3","9","10","1") = "9"
    & skf18("9","2","2","3","10","1","1") = "9"
    & skf18("9","2","2","3","10","2","1") = "9"
    & skf18("9","2","2","3","10","3","1") = "9"
    & skf18("9","2","2","3","10","4","1") = "9"
    & skf18("9","2","2","3","10","5","1") = "9"
    & skf18("9","2","2","3","10","6","1") = "9"
    & skf18("9","2","2","3","10","7","1") = "9"
    & skf18("9","2","2","3","10","8","1") = "9"
    & skf18("9","2","2","3","10","9","1") = "9"
    & skf18("9","2","2","3","10","10","1") = "9"
    & skf18("9","2","2","4","1","1","1") = "8"
    & skf18("9","2","2","4","1","2","1") = "8"
    & skf18("9","2","2","4","1","3","1") = "8"
    & skf18("9","2","2","4","1","4","1") = "8"
    & skf18("9","2","2","4","1","5","1") = "8"
    & skf18("9","2","2","4","1","6","1") = "8"
    & skf18("9","2","2","4","1","7","1") = "8"
    & skf18("9","2","2","4","1","8","1") = "8"
    & skf18("9","2","2","4","1","9","1") = "8"
    & skf18("9","2","2","4","1","10","1") = "9"
    & skf18("9","2","2","4","2","1","1") = "8"
    & skf18("9","2","2","4","2","2","1") = "8"
    & skf18("9","2","2","4","2","3","1") = "8"
    & skf18("9","2","2","4","2","4","1") = "8"
    & skf18("9","2","2","4","2","5","1") = "8"
    & skf18("9","2","2","4","2","6","1") = "8"
    & skf18("9","2","2","4","2","7","1") = "8"
    & skf18("9","2","2","4","2","8","1") = "8"
    & skf18("9","2","2","4","2","9","1") = "8"
    & skf18("9","2","2","4","2","10","1") = "9"
    & skf18("9","2","2","4","3","1","1") = "8"
    & skf18("9","2","2","4","3","2","1") = "8"
    & skf18("9","2","2","4","3","3","1") = "8"
    & skf18("9","2","2","4","3","4","1") = "8"
    & skf18("9","2","2","4","3","5","1") = "8"
    & skf18("9","2","2","4","3","6","1") = "8"
    & skf18("9","2","2","4","3","7","1") = "8"
    & skf18("9","2","2","4","3","8","1") = "8"
    & skf18("9","2","2","4","3","9","1") = "8"
    & skf18("9","2","2","4","3","10","1") = "9"
    & skf18("9","2","2","4","4","1","1") = "8"
    & skf18("9","2","2","4","4","2","1") = "8"
    & skf18("9","2","2","4","4","3","1") = "8"
    & skf18("9","2","2","4","4","4","1") = "8"
    & skf18("9","2","2","4","4","5","1") = "8"
    & skf18("9","2","2","4","4","6","1") = "8"
    & skf18("9","2","2","4","4","7","1") = "8"
    & skf18("9","2","2","4","4","8","1") = "8"
    & skf18("9","2","2","4","4","9","1") = "8"
    & skf18("9","2","2","4","4","10","1") = "9"
    & skf18("9","2","2","4","5","1","1") = "8"
    & skf18("9","2","2","4","5","2","1") = "8"
    & skf18("9","2","2","4","5","3","1") = "8"
    & skf18("9","2","2","4","5","4","1") = "8"
    & skf18("9","2","2","4","5","5","1") = "8"
    & skf18("9","2","2","4","5","6","1") = "8"
    & skf18("9","2","2","4","5","7","1") = "8"
    & skf18("9","2","2","4","5","8","1") = "8"
    & skf18("9","2","2","4","5","9","1") = "8"
    & skf18("9","2","2","4","5","10","1") = "9"
    & skf18("9","2","2","4","6","1","1") = "8"
    & skf18("9","2","2","4","6","2","1") = "8"
    & skf18("9","2","2","4","6","3","1") = "8"
    & skf18("9","2","2","4","6","4","1") = "8"
    & skf18("9","2","2","4","6","5","1") = "8"
    & skf18("9","2","2","4","6","6","1") = "8"
    & skf18("9","2","2","4","6","7","1") = "8"
    & skf18("9","2","2","4","6","8","1") = "8"
    & skf18("9","2","2","4","6","9","1") = "8"
    & skf18("9","2","2","4","6","10","1") = "9"
    & skf18("9","2","2","4","7","1","1") = "8"
    & skf18("9","2","2","4","7","2","1") = "8"
    & skf18("9","2","2","4","7","3","1") = "8"
    & skf18("9","2","2","4","7","4","1") = "8"
    & skf18("9","2","2","4","7","5","1") = "8"
    & skf18("9","2","2","4","7","6","1") = "8"
    & skf18("9","2","2","4","7","7","1") = "8"
    & skf18("9","2","2","4","7","8","1") = "8"
    & skf18("9","2","2","4","7","9","1") = "8"
    & skf18("9","2","2","4","7","10","1") = "9"
    & skf18("9","2","2","4","8","1","1") = "8"
    & skf18("9","2","2","4","8","2","1") = "8"
    & skf18("9","2","2","4","8","3","1") = "8"
    & skf18("9","2","2","4","8","4","1") = "8"
    & skf18("9","2","2","4","8","5","1") = "8"
    & skf18("9","2","2","4","8","6","1") = "8"
    & skf18("9","2","2","4","8","7","1") = "8"
    & skf18("9","2","2","4","8","8","1") = "8"
    & skf18("9","2","2","4","8","9","1") = "8"
    & skf18("9","2","2","4","8","10","1") = "9"
    & skf18("9","2","2","4","9","1","1") = "8"
    & skf18("9","2","2","4","9","2","1") = "8"
    & skf18("9","2","2","4","9","3","1") = "8"
    & skf18("9","2","2","4","9","4","1") = "8"
    & skf18("9","2","2","4","9","5","1") = "8"
    & skf18("9","2","2","4","9","6","1") = "8"
    & skf18("9","2","2","4","9","7","1") = "8"
    & skf18("9","2","2","4","9","8","1") = "8"
    & skf18("9","2","2","4","9","9","1") = "8"
    & skf18("9","2","2","4","9","10","1") = "9"
    & skf18("9","2","2","4","10","1","1") = "9"
    & skf18("9","2","2","4","10","2","1") = "9"
    & skf18("9","2","2","4","10","3","1") = "9"
    & skf18("9","2","2","4","10","4","1") = "9"
    & skf18("9","2","2","4","10","5","1") = "9"
    & skf18("9","2","2","4","10","6","1") = "9"
    & skf18("9","2","2","4","10","7","1") = "9"
    & skf18("9","2","2","4","10","8","1") = "9"
    & skf18("9","2","2","4","10","9","1") = "9"
    & skf18("9","2","2","4","10","10","1") = "9"
    & skf18("9","2","2","5","1","1","1") = "8"
    & skf18("9","2","2","5","1","2","1") = "8"
    & skf18("9","2","2","5","1","3","1") = "8"
    & skf18("9","2","2","5","1","4","1") = "8"
    & skf18("9","2","2","5","1","5","1") = "8"
    & skf18("9","2","2","5","1","6","1") = "8"
    & skf18("9","2","2","5","1","7","1") = "8"
    & skf18("9","2","2","5","1","8","1") = "8"
    & skf18("9","2","2","5","1","9","1") = "8"
    & skf18("9","2","2","5","1","10","1") = "9"
    & skf18("9","2","2","5","2","1","1") = "8"
    & skf18("9","2","2","5","2","2","1") = "8"
    & skf18("9","2","2","5","2","3","1") = "8"
    & skf18("9","2","2","5","2","4","1") = "8"
    & skf18("9","2","2","5","2","5","1") = "8"
    & skf18("9","2","2","5","2","6","1") = "8"
    & skf18("9","2","2","5","2","7","1") = "8"
    & skf18("9","2","2","5","2","8","1") = "8"
    & skf18("9","2","2","5","2","9","1") = "8"
    & skf18("9","2","2","5","2","10","1") = "9"
    & skf18("9","2","2","5","3","1","1") = "8"
    & skf18("9","2","2","5","3","2","1") = "8"
    & skf18("9","2","2","5","3","3","1") = "8"
    & skf18("9","2","2","5","3","4","1") = "8"
    & skf18("9","2","2","5","3","5","1") = "8"
    & skf18("9","2","2","5","3","6","1") = "8"
    & skf18("9","2","2","5","3","7","1") = "8"
    & skf18("9","2","2","5","3","8","1") = "8"
    & skf18("9","2","2","5","3","9","1") = "8"
    & skf18("9","2","2","5","3","10","1") = "9"
    & skf18("9","2","2","5","4","1","1") = "8"
    & skf18("9","2","2","5","4","2","1") = "8"
    & skf18("9","2","2","5","4","3","1") = "8"
    & skf18("9","2","2","5","4","4","1") = "8"
    & skf18("9","2","2","5","4","5","1") = "8"
    & skf18("9","2","2","5","4","6","1") = "8"
    & skf18("9","2","2","5","4","7","1") = "8"
    & skf18("9","2","2","5","4","8","1") = "8"
    & skf18("9","2","2","5","4","9","1") = "8"
    & skf18("9","2","2","5","4","10","1") = "9"
    & skf18("9","2","2","5","5","1","1") = "8"
    & skf18("9","2","2","5","5","2","1") = "8"
    & skf18("9","2","2","5","5","3","1") = "8"
    & skf18("9","2","2","5","5","4","1") = "8"
    & skf18("9","2","2","5","5","5","1") = "8"
    & skf18("9","2","2","5","5","6","1") = "8"
    & skf18("9","2","2","5","5","7","1") = "8"
    & skf18("9","2","2","5","5","8","1") = "8"
    & skf18("9","2","2","5","5","9","1") = "8"
    & skf18("9","2","2","5","5","10","1") = "9"
    & skf18("9","2","2","5","6","1","1") = "8"
    & skf18("9","2","2","5","6","2","1") = "8"
    & skf18("9","2","2","5","6","3","1") = "8"
    & skf18("9","2","2","5","6","4","1") = "8"
    & skf18("9","2","2","5","6","5","1") = "8"
    & skf18("9","2","2","5","6","6","1") = "8"
    & skf18("9","2","2","5","6","7","1") = "8"
    & skf18("9","2","2","5","6","8","1") = "8"
    & skf18("9","2","2","5","6","9","1") = "8"
    & skf18("9","2","2","5","6","10","1") = "9"
    & skf18("9","2","2","5","7","1","1") = "8"
    & skf18("9","2","2","5","7","2","1") = "8"
    & skf18("9","2","2","5","7","3","1") = "8"
    & skf18("9","2","2","5","7","4","1") = "8"
    & skf18("9","2","2","5","7","5","1") = "8"
    & skf18("9","2","2","5","7","6","1") = "8"
    & skf18("9","2","2","5","7","7","1") = "8"
    & skf18("9","2","2","5","7","8","1") = "8"
    & skf18("9","2","2","5","7","9","1") = "8"
    & skf18("9","2","2","5","7","10","1") = "9"
    & skf18("9","2","2","5","8","1","1") = "8"
    & skf18("9","2","2","5","8","2","1") = "8"
    & skf18("9","2","2","5","8","3","1") = "8"
    & skf18("9","2","2","5","8","4","1") = "8"
    & skf18("9","2","2","5","8","5","1") = "8"
    & skf18("9","2","2","5","8","6","1") = "8"
    & skf18("9","2","2","5","8","7","1") = "8"
    & skf18("9","2","2","5","8","8","1") = "8"
    & skf18("9","2","2","5","8","9","1") = "8"
    & skf18("9","2","2","5","8","10","1") = "9"
    & skf18("9","2","2","5","9","1","1") = "8"
    & skf18("9","2","2","5","9","2","1") = "8"
    & skf18("9","2","2","5","9","3","1") = "8"
    & skf18("9","2","2","5","9","4","1") = "8"
    & skf18("9","2","2","5","9","5","1") = "8"
    & skf18("9","2","2","5","9","6","1") = "8"
    & skf18("9","2","2","5","9","7","1") = "8"
    & skf18("9","2","2","5","9","8","1") = "8"
    & skf18("9","2","2","5","9","9","1") = "8"
    & skf18("9","2","2","5","9","10","1") = "9"
    & skf18("9","2","2","5","10","1","1") = "9"
    & skf18("9","2","2","5","10","2","1") = "9"
    & skf18("9","2","2","5","10","3","1") = "9"
    & skf18("9","2","2","5","10","4","1") = "9"
    & skf18("9","2","2","5","10","5","1") = "9"
    & skf18("9","2","2","5","10","6","1") = "9"
    & skf18("9","2","2","5","10","7","1") = "9"
    & skf18("9","2","2","5","10","8","1") = "9"
    & skf18("9","2","2","5","10","9","1") = "9"
    & skf18("9","2","2","5","10","10","1") = "9"
    & skf18("9","2","2","6","1","1","1") = "8"
    & skf18("9","2","2","6","1","2","1") = "8"
    & skf18("9","2","2","6","1","3","1") = "8"
    & skf18("9","2","2","6","1","4","1") = "8"
    & skf18("9","2","2","6","1","5","1") = "8"
    & skf18("9","2","2","6","1","6","1") = "8"
    & skf18("9","2","2","6","1","7","1") = "8"
    & skf18("9","2","2","6","1","8","1") = "8"
    & skf18("9","2","2","6","1","9","1") = "8"
    & skf18("9","2","2","6","1","10","1") = "9"
    & skf18("9","2","2","6","2","1","1") = "8"
    & skf18("9","2","2","6","2","2","1") = "8"
    & skf18("9","2","2","6","2","3","1") = "8"
    & skf18("9","2","2","6","2","4","1") = "8"
    & skf18("9","2","2","6","2","5","1") = "8"
    & skf18("9","2","2","6","2","6","1") = "8"
    & skf18("9","2","2","6","2","7","1") = "8"
    & skf18("9","2","2","6","2","8","1") = "8"
    & skf18("9","2","2","6","2","9","1") = "8"
    & skf18("9","2","2","6","2","10","1") = "9"
    & skf18("9","2","2","6","3","1","1") = "8"
    & skf18("9","2","2","6","3","2","1") = "8"
    & skf18("9","2","2","6","3","3","1") = "8"
    & skf18("9","2","2","6","3","4","1") = "8"
    & skf18("9","2","2","6","3","5","1") = "8"
    & skf18("9","2","2","6","3","6","1") = "8"
    & skf18("9","2","2","6","3","7","1") = "8"
    & skf18("9","2","2","6","3","8","1") = "8"
    & skf18("9","2","2","6","3","9","1") = "8"
    & skf18("9","2","2","6","3","10","1") = "9"
    & skf18("9","2","2","6","4","1","1") = "8"
    & skf18("9","2","2","6","4","2","1") = "8"
    & skf18("9","2","2","6","4","3","1") = "8"
    & skf18("9","2","2","6","4","4","1") = "8"
    & skf18("9","2","2","6","4","5","1") = "8"
    & skf18("9","2","2","6","4","6","1") = "8"
    & skf18("9","2","2","6","4","7","1") = "8"
    & skf18("9","2","2","6","4","8","1") = "8"
    & skf18("9","2","2","6","4","9","1") = "8"
    & skf18("9","2","2","6","4","10","1") = "9"
    & skf18("9","2","2","6","5","1","1") = "8"
    & skf18("9","2","2","6","5","2","1") = "8"
    & skf18("9","2","2","6","5","3","1") = "8"
    & skf18("9","2","2","6","5","4","1") = "8"
    & skf18("9","2","2","6","5","5","1") = "8"
    & skf18("9","2","2","6","5","6","1") = "8"
    & skf18("9","2","2","6","5","7","1") = "8"
    & skf18("9","2","2","6","5","8","1") = "8"
    & skf18("9","2","2","6","5","9","1") = "8"
    & skf18("9","2","2","6","5","10","1") = "9"
    & skf18("9","2","2","6","6","1","1") = "8"
    & skf18("9","2","2","6","6","2","1") = "8"
    & skf18("9","2","2","6","6","3","1") = "8"
    & skf18("9","2","2","6","6","4","1") = "8"
    & skf18("9","2","2","6","6","5","1") = "8"
    & skf18("9","2","2","6","6","6","1") = "8"
    & skf18("9","2","2","6","6","7","1") = "8"
    & skf18("9","2","2","6","6","8","1") = "8"
    & skf18("9","2","2","6","6","9","1") = "8"
    & skf18("9","2","2","6","6","10","1") = "9"
    & skf18("9","2","2","6","7","1","1") = "8"
    & skf18("9","2","2","6","7","2","1") = "8"
    & skf18("9","2","2","6","7","3","1") = "8"
    & skf18("9","2","2","6","7","4","1") = "8"
    & skf18("9","2","2","6","7","5","1") = "8"
    & skf18("9","2","2","6","7","6","1") = "8"
    & skf18("9","2","2","6","7","7","1") = "8"
    & skf18("9","2","2","6","7","8","1") = "8"
    & skf18("9","2","2","6","7","9","1") = "8"
    & skf18("9","2","2","6","7","10","1") = "9"
    & skf18("9","2","2","6","8","1","1") = "8"
    & skf18("9","2","2","6","8","2","1") = "8"
    & skf18("9","2","2","6","8","3","1") = "8"
    & skf18("9","2","2","6","8","4","1") = "8"
    & skf18("9","2","2","6","8","5","1") = "8"
    & skf18("9","2","2","6","8","6","1") = "8"
    & skf18("9","2","2","6","8","7","1") = "8"
    & skf18("9","2","2","6","8","8","1") = "8"
    & skf18("9","2","2","6","8","9","1") = "8"
    & skf18("9","2","2","6","8","10","1") = "9"
    & skf18("9","2","2","6","9","1","1") = "8"
    & skf18("9","2","2","6","9","2","1") = "8"
    & skf18("9","2","2","6","9","3","1") = "8"
    & skf18("9","2","2","6","9","4","1") = "8"
    & skf18("9","2","2","6","9","5","1") = "8"
    & skf18("9","2","2","6","9","6","1") = "8"
    & skf18("9","2","2","6","9","7","1") = "8"
    & skf18("9","2","2","6","9","8","1") = "8"
    & skf18("9","2","2","6","9","9","1") = "8"
    & skf18("9","2","2","6","9","10","1") = "9"
    & skf18("9","2","2","6","10","1","1") = "9"
    & skf18("9","2","2","6","10","2","1") = "9"
    & skf18("9","2","2","6","10","3","1") = "9"
    & skf18("9","2","2","6","10","4","1") = "9"
    & skf18("9","2","2","6","10","5","1") = "9"
    & skf18("9","2","2","6","10","6","1") = "9"
    & skf18("9","2","2","6","10","7","1") = "9"
    & skf18("9","2","2","6","10","8","1") = "9"
    & skf18("9","2","2","6","10","9","1") = "9"
    & skf18("9","2","2","6","10","10","1") = "9"
    & skf18("9","2","2","7","1","1","1") = "8"
    & skf18("9","2","2","7","1","2","1") = "8"
    & skf18("9","2","2","7","1","3","1") = "8"
    & skf18("9","2","2","7","1","4","1") = "8"
    & skf18("9","2","2","7","1","5","1") = "8"
    & skf18("9","2","2","7","1","6","1") = "8"
    & skf18("9","2","2","7","1","7","1") = "8"
    & skf18("9","2","2","7","1","8","1") = "8"
    & skf18("9","2","2","7","1","9","1") = "8"
    & skf18("9","2","2","7","1","10","1") = "9"
    & skf18("9","2","2","7","2","1","1") = "8"
    & skf18("9","2","2","7","2","2","1") = "8"
    & skf18("9","2","2","7","2","3","1") = "8"
    & skf18("9","2","2","7","2","4","1") = "8"
    & skf18("9","2","2","7","2","5","1") = "8"
    & skf18("9","2","2","7","2","6","1") = "8"
    & skf18("9","2","2","7","2","7","1") = "8"
    & skf18("9","2","2","7","2","8","1") = "8"
    & skf18("9","2","2","7","2","9","1") = "8"
    & skf18("9","2","2","7","2","10","1") = "9"
    & skf18("9","2","2","7","3","1","1") = "8"
    & skf18("9","2","2","7","3","2","1") = "8"
    & skf18("9","2","2","7","3","3","1") = "8"
    & skf18("9","2","2","7","3","4","1") = "8"
    & skf18("9","2","2","7","3","5","1") = "8"
    & skf18("9","2","2","7","3","6","1") = "8"
    & skf18("9","2","2","7","3","7","1") = "8"
    & skf18("9","2","2","7","3","8","1") = "8"
    & skf18("9","2","2","7","3","9","1") = "8"
    & skf18("9","2","2","7","3","10","1") = "9"
    & skf18("9","2","2","7","4","1","1") = "8"
    & skf18("9","2","2","7","4","2","1") = "8"
    & skf18("9","2","2","7","4","3","1") = "8"
    & skf18("9","2","2","7","4","4","1") = "8"
    & skf18("9","2","2","7","4","5","1") = "8"
    & skf18("9","2","2","7","4","6","1") = "8"
    & skf18("9","2","2","7","4","7","1") = "8"
    & skf18("9","2","2","7","4","8","1") = "8"
    & skf18("9","2","2","7","4","9","1") = "8"
    & skf18("9","2","2","7","4","10","1") = "9"
    & skf18("9","2","2","7","5","1","1") = "8"
    & skf18("9","2","2","7","5","2","1") = "8"
    & skf18("9","2","2","7","5","3","1") = "8"
    & skf18("9","2","2","7","5","4","1") = "8"
    & skf18("9","2","2","7","5","5","1") = "8"
    & skf18("9","2","2","7","5","6","1") = "8"
    & skf18("9","2","2","7","5","7","1") = "8"
    & skf18("9","2","2","7","5","8","1") = "8"
    & skf18("9","2","2","7","5","9","1") = "8"
    & skf18("9","2","2","7","5","10","1") = "9"
    & skf18("9","2","2","7","6","1","1") = "8"
    & skf18("9","2","2","7","6","2","1") = "8"
    & skf18("9","2","2","7","6","3","1") = "8"
    & skf18("9","2","2","7","6","4","1") = "8"
    & skf18("9","2","2","7","6","5","1") = "8"
    & skf18("9","2","2","7","6","6","1") = "8"
    & skf18("9","2","2","7","6","7","1") = "8"
    & skf18("9","2","2","7","6","8","1") = "8"
    & skf18("9","2","2","7","6","9","1") = "8"
    & skf18("9","2","2","7","6","10","1") = "9"
    & skf18("9","2","2","7","7","1","1") = "8"
    & skf18("9","2","2","7","7","2","1") = "8"
    & skf18("9","2","2","7","7","3","1") = "8"
    & skf18("9","2","2","7","7","4","1") = "8"
    & skf18("9","2","2","7","7","5","1") = "8"
    & skf18("9","2","2","7","7","6","1") = "8"
    & skf18("9","2","2","7","7","7","1") = "8"
    & skf18("9","2","2","7","7","8","1") = "8"
    & skf18("9","2","2","7","7","9","1") = "8"
    & skf18("9","2","2","7","7","10","1") = "9"
    & skf18("9","2","2","7","8","1","1") = "8"
    & skf18("9","2","2","7","8","2","1") = "8"
    & skf18("9","2","2","7","8","3","1") = "8"
    & skf18("9","2","2","7","8","4","1") = "8"
    & skf18("9","2","2","7","8","5","1") = "8"
    & skf18("9","2","2","7","8","6","1") = "8"
    & skf18("9","2","2","7","8","7","1") = "8"
    & skf18("9","2","2","7","8","8","1") = "8"
    & skf18("9","2","2","7","8","9","1") = "8"
    & skf18("9","2","2","7","8","10","1") = "9"
    & skf18("9","2","2","7","9","1","1") = "8"
    & skf18("9","2","2","7","9","2","1") = "8"
    & skf18("9","2","2","7","9","3","1") = "8"
    & skf18("9","2","2","7","9","4","1") = "8"
    & skf18("9","2","2","7","9","5","1") = "8"
    & skf18("9","2","2","7","9","6","1") = "8"
    & skf18("9","2","2","7","9","7","1") = "8"
    & skf18("9","2","2","7","9","8","1") = "8"
    & skf18("9","2","2","7","9","9","1") = "8"
    & skf18("9","2","2","7","9","10","1") = "9"
    & skf18("9","2","2","7","10","1","1") = "9"
    & skf18("9","2","2","7","10","2","1") = "9"
    & skf18("9","2","2","7","10","3","1") = "9"
    & skf18("9","2","2","7","10","4","1") = "9"
    & skf18("9","2","2","7","10","5","1") = "9"
    & skf18("9","2","2","7","10","6","1") = "9"
    & skf18("9","2","2","7","10","7","1") = "9"
    & skf18("9","2","2","7","10","8","1") = "9"
    & skf18("9","2","2","7","10","9","1") = "9"
    & skf18("9","2","2","7","10","10","1") = "9"
    & skf18("9","2","2","8","1","1","1") = "8"
    & skf18("9","2","2","8","1","2","1") = "8"
    & skf18("9","2","2","8","1","3","1") = "8"
    & skf18("9","2","2","8","1","4","1") = "8"
    & skf18("9","2","2","8","1","5","1") = "8"
    & skf18("9","2","2","8","1","6","1") = "8"
    & skf18("9","2","2","8","1","7","1") = "8"
    & skf18("9","2","2","8","1","8","1") = "8"
    & skf18("9","2","2","8","1","9","1") = "8"
    & skf18("9","2","2","8","1","10","1") = "9"
    & skf18("9","2","2","8","2","1","1") = "8"
    & skf18("9","2","2","8","2","2","1") = "8"
    & skf18("9","2","2","8","2","3","1") = "8"
    & skf18("9","2","2","8","2","4","1") = "8"
    & skf18("9","2","2","8","2","5","1") = "8"
    & skf18("9","2","2","8","2","6","1") = "8"
    & skf18("9","2","2","8","2","7","1") = "8"
    & skf18("9","2","2","8","2","8","1") = "8"
    & skf18("9","2","2","8","2","9","1") = "8"
    & skf18("9","2","2","8","2","10","1") = "9"
    & skf18("9","2","2","8","3","1","1") = "8"
    & skf18("9","2","2","8","3","2","1") = "8"
    & skf18("9","2","2","8","3","3","1") = "8"
    & skf18("9","2","2","8","3","4","1") = "8"
    & skf18("9","2","2","8","3","5","1") = "8"
    & skf18("9","2","2","8","3","6","1") = "8"
    & skf18("9","2","2","8","3","7","1") = "8"
    & skf18("9","2","2","8","3","8","1") = "8"
    & skf18("9","2","2","8","3","9","1") = "8"
    & skf18("9","2","2","8","3","10","1") = "9"
    & skf18("9","2","2","8","4","1","1") = "8"
    & skf18("9","2","2","8","4","2","1") = "8"
    & skf18("9","2","2","8","4","3","1") = "8"
    & skf18("9","2","2","8","4","4","1") = "8"
    & skf18("9","2","2","8","4","5","1") = "8"
    & skf18("9","2","2","8","4","6","1") = "8"
    & skf18("9","2","2","8","4","7","1") = "8"
    & skf18("9","2","2","8","4","8","1") = "8"
    & skf18("9","2","2","8","4","9","1") = "8"
    & skf18("9","2","2","8","4","10","1") = "9"
    & skf18("9","2","2","8","5","1","1") = "8"
    & skf18("9","2","2","8","5","2","1") = "8"
    & skf18("9","2","2","8","5","3","1") = "8"
    & skf18("9","2","2","8","5","4","1") = "8"
    & skf18("9","2","2","8","5","5","1") = "8"
    & skf18("9","2","2","8","5","6","1") = "8"
    & skf18("9","2","2","8","5","7","1") = "8"
    & skf18("9","2","2","8","5","8","1") = "8"
    & skf18("9","2","2","8","5","9","1") = "8"
    & skf18("9","2","2","8","5","10","1") = "9"
    & skf18("9","2","2","8","6","1","1") = "8"
    & skf18("9","2","2","8","6","2","1") = "8"
    & skf18("9","2","2","8","6","3","1") = "8"
    & skf18("9","2","2","8","6","4","1") = "8"
    & skf18("9","2","2","8","6","5","1") = "8"
    & skf18("9","2","2","8","6","6","1") = "8"
    & skf18("9","2","2","8","6","7","1") = "8"
    & skf18("9","2","2","8","6","8","1") = "8"
    & skf18("9","2","2","8","6","9","1") = "8"
    & skf18("9","2","2","8","6","10","1") = "9"
    & skf18("9","2","2","8","7","1","1") = "8"
    & skf18("9","2","2","8","7","2","1") = "8"
    & skf18("9","2","2","8","7","3","1") = "8"
    & skf18("9","2","2","8","7","4","1") = "8"
    & skf18("9","2","2","8","7","5","1") = "8"
    & skf18("9","2","2","8","7","6","1") = "8"
    & skf18("9","2","2","8","7","7","1") = "8"
    & skf18("9","2","2","8","7","8","1") = "8"
    & skf18("9","2","2","8","7","9","1") = "8"
    & skf18("9","2","2","8","7","10","1") = "9"
    & skf18("9","2","2","8","8","1","1") = "8"
    & skf18("9","2","2","8","8","2","1") = "8"
    & skf18("9","2","2","8","8","3","1") = "8"
    & skf18("9","2","2","8","8","4","1") = "8"
    & skf18("9","2","2","8","8","5","1") = "8"
    & skf18("9","2","2","8","8","6","1") = "8"
    & skf18("9","2","2","8","8","7","1") = "8"
    & skf18("9","2","2","8","8","8","1") = "8"
    & skf18("9","2","2","8","8","9","1") = "8"
    & skf18("9","2","2","8","8","10","1") = "9"
    & skf18("9","2","2","8","9","1","1") = "8"
    & skf18("9","2","2","8","9","2","1") = "8"
    & skf18("9","2","2","8","9","3","1") = "8"
    & skf18("9","2","2","8","9","4","1") = "8"
    & skf18("9","2","2","8","9","5","1") = "8"
    & skf18("9","2","2","8","9","6","1") = "8"
    & skf18("9","2","2","8","9","7","1") = "8"
    & skf18("9","2","2","8","9","8","1") = "8"
    & skf18("9","2","2","8","9","9","1") = "8"
    & skf18("9","2","2","8","9","10","1") = "9"
    & skf18("9","2","2","8","10","1","1") = "9"
    & skf18("9","2","2","8","10","2","1") = "9"
    & skf18("9","2","2","8","10","3","1") = "9"
    & skf18("9","2","2","8","10","4","1") = "9"
    & skf18("9","2","2","8","10","5","1") = "9"
    & skf18("9","2","2","8","10","6","1") = "9"
    & skf18("9","2","2","8","10","7","1") = "9"
    & skf18("9","2","2","8","10","8","1") = "9"
    & skf18("9","2","2","8","10","9","1") = "9"
    & skf18("9","2","2","8","10","10","1") = "9"
    & skf18("9","2","2","9","1","1","1") = "8"
    & skf18("9","2","2","9","1","2","1") = "8"
    & skf18("9","2","2","9","1","3","1") = "8"
    & skf18("9","2","2","9","1","4","1") = "8"
    & skf18("9","2","2","9","1","5","1") = "8"
    & skf18("9","2","2","9","1","6","1") = "8"
    & skf18("9","2","2","9","1","7","1") = "8"
    & skf18("9","2","2","9","1","8","1") = "8"
    & skf18("9","2","2","9","1","9","1") = "8"
    & skf18("9","2","2","9","1","10","1") = "9"
    & skf18("9","2","2","9","2","1","1") = "8"
    & skf18("9","2","2","9","2","2","1") = "8"
    & skf18("9","2","2","9","2","3","1") = "8"
    & skf18("9","2","2","9","2","4","1") = "8"
    & skf18("9","2","2","9","2","5","1") = "8"
    & skf18("9","2","2","9","2","6","1") = "8"
    & skf18("9","2","2","9","2","7","1") = "8"
    & skf18("9","2","2","9","2","8","1") = "8"
    & skf18("9","2","2","9","2","9","1") = "8"
    & skf18("9","2","2","9","2","10","1") = "9"
    & skf18("9","2","2","9","3","1","1") = "8"
    & skf18("9","2","2","9","3","2","1") = "8"
    & skf18("9","2","2","9","3","3","1") = "8"
    & skf18("9","2","2","9","3","4","1") = "8"
    & skf18("9","2","2","9","3","5","1") = "8"
    & skf18("9","2","2","9","3","6","1") = "8"
    & skf18("9","2","2","9","3","7","1") = "8"
    & skf18("9","2","2","9","3","8","1") = "8"
    & skf18("9","2","2","9","3","9","1") = "8"
    & skf18("9","2","2","9","3","10","1") = "9"
    & skf18("9","2","2","9","4","1","1") = "8"
    & skf18("9","2","2","9","4","2","1") = "8"
    & skf18("9","2","2","9","4","3","1") = "8"
    & skf18("9","2","2","9","4","4","1") = "8"
    & skf18("9","2","2","9","4","5","1") = "8"
    & skf18("9","2","2","9","4","6","1") = "8"
    & skf18("9","2","2","9","4","7","1") = "8"
    & skf18("9","2","2","9","4","8","1") = "8"
    & skf18("9","2","2","9","4","9","1") = "8"
    & skf18("9","2","2","9","4","10","1") = "9"
    & skf18("9","2","2","9","5","1","1") = "8"
    & skf18("9","2","2","9","5","2","1") = "8"
    & skf18("9","2","2","9","5","3","1") = "8"
    & skf18("9","2","2","9","5","4","1") = "8"
    & skf18("9","2","2","9","5","5","1") = "8"
    & skf18("9","2","2","9","5","6","1") = "8"
    & skf18("9","2","2","9","5","7","1") = "8"
    & skf18("9","2","2","9","5","8","1") = "8"
    & skf18("9","2","2","9","5","9","1") = "8"
    & skf18("9","2","2","9","5","10","1") = "9"
    & skf18("9","2","2","9","6","1","1") = "8"
    & skf18("9","2","2","9","6","2","1") = "8"
    & skf18("9","2","2","9","6","3","1") = "8"
    & skf18("9","2","2","9","6","4","1") = "8"
    & skf18("9","2","2","9","6","5","1") = "8"
    & skf18("9","2","2","9","6","6","1") = "8"
    & skf18("9","2","2","9","6","7","1") = "8"
    & skf18("9","2","2","9","6","8","1") = "8"
    & skf18("9","2","2","9","6","9","1") = "8"
    & skf18("9","2","2","9","6","10","1") = "9"
    & skf18("9","2","2","9","7","1","1") = "8"
    & skf18("9","2","2","9","7","2","1") = "8"
    & skf18("9","2","2","9","7","3","1") = "8"
    & skf18("9","2","2","9","7","4","1") = "8"
    & skf18("9","2","2","9","7","5","1") = "8"
    & skf18("9","2","2","9","7","6","1") = "8"
    & skf18("9","2","2","9","7","7","1") = "8"
    & skf18("9","2","2","9","7","8","1") = "8"
    & skf18("9","2","2","9","7","9","1") = "8"
    & skf18("9","2","2","9","7","10","1") = "9"
    & skf18("9","2","2","9","8","1","1") = "8"
    & skf18("9","2","2","9","8","2","1") = "8"
    & skf18("9","2","2","9","8","3","1") = "8"
    & skf18("9","2","2","9","8","4","1") = "8"
    & skf18("9","2","2","9","8","5","1") = "8"
    & skf18("9","2","2","9","8","6","1") = "8"
    & skf18("9","2","2","9","8","7","1") = "8"
    & skf18("9","2","2","9","8","8","1") = "8"
    & skf18("9","2","2","9","8","9","1") = "8"
    & skf18("9","2","2","9","8","10","1") = "9"
    & skf18("9","2","2","9","9","1","1") = "8"
    & skf18("9","2","2","9","9","2","1") = "8"
    & skf18("9","2","2","9","9","3","1") = "8"
    & skf18("9","2","2","9","9","4","1") = "8"
    & skf18("9","2","2","9","9","5","1") = "8"
    & skf18("9","2","2","9","9","6","1") = "8"
    & skf18("9","2","2","9","9","7","1") = "8"
    & skf18("9","2","2","9","9","8","1") = "8"
    & skf18("9","2","2","9","9","9","1") = "8"
    & skf18("9","2","2","9","9","10","1") = "9"
    & skf18("9","2","2","9","10","1","1") = "9"
    & skf18("9","2","2","9","10","2","1") = "9"
    & skf18("9","2","2","9","10","3","1") = "9"
    & skf18("9","2","2","9","10","4","1") = "9"
    & skf18("9","2","2","9","10","5","1") = "9"
    & skf18("9","2","2","9","10","6","1") = "9"
    & skf18("9","2","2","9","10","7","1") = "9"
    & skf18("9","2","2","9","10","8","1") = "9"
    & skf18("9","2","2","9","10","9","1") = "9"
    & skf18("9","2","2","9","10","10","1") = "9"
    & skf18("9","2","2","10","1","1","1") = "9"
    & skf18("9","2","2","10","1","2","1") = "9"
    & skf18("9","2","2","10","1","3","1") = "9"
    & skf18("9","2","2","10","1","4","1") = "9"
    & skf18("9","2","2","10","1","5","1") = "9"
    & skf18("9","2","2","10","1","6","1") = "9"
    & skf18("9","2","2","10","1","7","1") = "9"
    & skf18("9","2","2","10","1","8","1") = "9"
    & skf18("9","2","2","10","1","9","1") = "9"
    & skf18("9","2","2","10","1","10","1") = "9"
    & skf18("9","2","2","10","2","1","1") = "9"
    & skf18("9","2","2","10","2","2","1") = "9"
    & skf18("9","2","2","10","2","3","1") = "9"
    & skf18("9","2","2","10","2","4","1") = "9"
    & skf18("9","2","2","10","2","5","1") = "9"
    & skf18("9","2","2","10","2","6","1") = "9"
    & skf18("9","2","2","10","2","7","1") = "9"
    & skf18("9","2","2","10","2","8","1") = "9"
    & skf18("9","2","2","10","2","9","1") = "9"
    & skf18("9","2","2","10","2","10","1") = "9"
    & skf18("9","2","2","10","3","1","1") = "9"
    & skf18("9","2","2","10","3","2","1") = "9"
    & skf18("9","2","2","10","3","3","1") = "9"
    & skf18("9","2","2","10","3","4","1") = "9"
    & skf18("9","2","2","10","3","5","1") = "9"
    & skf18("9","2","2","10","3","6","1") = "9"
    & skf18("9","2","2","10","3","7","1") = "9"
    & skf18("9","2","2","10","3","8","1") = "9"
    & skf18("9","2","2","10","3","9","1") = "9"
    & skf18("9","2","2","10","3","10","1") = "9"
    & skf18("9","2","2","10","4","1","1") = "9"
    & skf18("9","2","2","10","4","2","1") = "9"
    & skf18("9","2","2","10","4","3","1") = "9"
    & skf18("9","2","2","10","4","4","1") = "9"
    & skf18("9","2","2","10","4","5","1") = "9"
    & skf18("9","2","2","10","4","6","1") = "9"
    & skf18("9","2","2","10","4","7","1") = "9"
    & skf18("9","2","2","10","4","8","1") = "9"
    & skf18("9","2","2","10","4","9","1") = "9"
    & skf18("9","2","2","10","4","10","1") = "9"
    & skf18("9","2","2","10","5","1","1") = "9"
    & skf18("9","2","2","10","5","2","1") = "9"
    & skf18("9","2","2","10","5","3","1") = "9"
    & skf18("9","2","2","10","5","4","1") = "9"
    & skf18("9","2","2","10","5","5","1") = "9"
    & skf18("9","2","2","10","5","6","1") = "9"
    & skf18("9","2","2","10","5","7","1") = "9"
    & skf18("9","2","2","10","5","8","1") = "9"
    & skf18("9","2","2","10","5","9","1") = "9"
    & skf18("9","2","2","10","5","10","1") = "9"
    & skf18("9","2","2","10","6","1","1") = "9"
    & skf18("9","2","2","10","6","2","1") = "9"
    & skf18("9","2","2","10","6","3","1") = "9"
    & skf18("9","2","2","10","6","4","1") = "9"
    & skf18("9","2","2","10","6","5","1") = "9"
    & skf18("9","2","2","10","6","6","1") = "9"
    & skf18("9","2","2","10","6","7","1") = "9"
    & skf18("9","2","2","10","6","8","1") = "9"
    & skf18("9","2","2","10","6","9","1") = "9"
    & skf18("9","2","2","10","6","10","1") = "9"
    & skf18("9","2","2","10","7","1","1") = "9"
    & skf18("9","2","2","10","7","2","1") = "9"
    & skf18("9","2","2","10","7","3","1") = "9"
    & skf18("9","2","2","10","7","4","1") = "9"
    & skf18("9","2","2","10","7","5","1") = "9"
    & skf18("9","2","2","10","7","6","1") = "9"
    & skf18("9","2","2","10","7","7","1") = "9"
    & skf18("9","2","2","10","7","8","1") = "9"
    & skf18("9","2","2","10","7","9","1") = "9"
    & skf18("9","2","2","10","7","10","1") = "9"
    & skf18("9","2","2","10","8","1","1") = "9"
    & skf18("9","2","2","10","8","2","1") = "9"
    & skf18("9","2","2","10","8","3","1") = "9"
    & skf18("9","2","2","10","8","4","1") = "9"
    & skf18("9","2","2","10","8","5","1") = "9"
    & skf18("9","2","2","10","8","6","1") = "9"
    & skf18("9","2","2","10","8","7","1") = "9"
    & skf18("9","2","2","10","8","8","1") = "9"
    & skf18("9","2","2","10","8","9","1") = "9"
    & skf18("9","2","2","10","8","10","1") = "9"
    & skf18("9","2","2","10","9","1","1") = "9"
    & skf18("9","2","2","10","9","2","1") = "9"
    & skf18("9","2","2","10","9","3","1") = "9"
    & skf18("9","2","2","10","9","4","1") = "9"
    & skf18("9","2","2","10","9","5","1") = "9"
    & skf18("9","2","2","10","9","6","1") = "9"
    & skf18("9","2","2","10","9","7","1") = "9"
    & skf18("9","2","2","10","9","8","1") = "9"
    & skf18("9","2","2","10","9","9","1") = "9"
    & skf18("9","2","2","10","9","10","1") = "9"
    & skf18("9","2","2","10","10","1","1") = "9"
    & skf18("9","2","2","10","10","2","1") = "9"
    & skf18("9","2","2","10","10","3","1") = "9"
    & skf18("9","2","2","10","10","4","1") = "9"
    & skf18("9","2","2","10","10","5","1") = "9"
    & skf18("9","2","2","10","10","6","1") = "9"
    & skf18("9","2","2","10","10","7","1") = "9"
    & skf18("9","2","2","10","10","8","1") = "9"
    & skf18("9","2","2","10","10","9","1") = "9"
    & skf18("9","2","2","10","10","10","1") = "9"
    & skf18("9","2","3","1","1","1","1") = "8"
    & skf18("9","2","3","1","1","2","1") = "8"
    & skf18("9","2","3","1","1","3","1") = "8"
    & skf18("9","2","3","1","1","4","1") = "8"
    & skf18("9","2","3","1","1","5","1") = "8"
    & skf18("9","2","3","1","1","6","1") = "8"
    & skf18("9","2","3","1","1","7","1") = "8"
    & skf18("9","2","3","1","1","8","1") = "8"
    & skf18("9","2","3","1","1","9","1") = "8"
    & skf18("9","2","3","1","1","10","1") = "9"
    & skf18("9","2","3","1","2","1","1") = "8"
    & skf18("9","2","3","1","2","2","1") = "8"
    & skf18("9","2","3","1","2","3","1") = "8"
    & skf18("9","2","3","1","2","4","1") = "8"
    & skf18("9","2","3","1","2","5","1") = "8"
    & skf18("9","2","3","1","2","6","1") = "8"
    & skf18("9","2","3","1","2","7","1") = "8"
    & skf18("9","2","3","1","2","8","1") = "8"
    & skf18("9","2","3","1","2","9","1") = "8"
    & skf18("9","2","3","1","2","10","1") = "9"
    & skf18("9","2","3","1","3","1","1") = "8"
    & skf18("9","2","3","1","3","2","1") = "8"
    & skf18("9","2","3","1","3","3","1") = "8"
    & skf18("9","2","3","1","3","4","1") = "8"
    & skf18("9","2","3","1","3","5","1") = "8"
    & skf18("9","2","3","1","3","6","1") = "8"
    & skf18("9","2","3","1","3","7","1") = "8"
    & skf18("9","2","3","1","3","8","1") = "8"
    & skf18("9","2","3","1","3","9","1") = "8"
    & skf18("9","2","3","1","3","10","1") = "9"
    & skf18("9","2","3","1","4","1","1") = "8"
    & skf18("9","2","3","1","4","2","1") = "8"
    & skf18("9","2","3","1","4","3","1") = "8"
    & skf18("9","2","3","1","4","4","1") = "8"
    & skf18("9","2","3","1","4","5","1") = "8"
    & skf18("9","2","3","1","4","6","1") = "8"
    & skf18("9","2","3","1","4","7","1") = "8"
    & skf18("9","2","3","1","4","8","1") = "8"
    & skf18("9","2","3","1","4","9","1") = "8"
    & skf18("9","2","3","1","4","10","1") = "9"
    & skf18("9","2","3","1","5","1","1") = "8"
    & skf18("9","2","3","1","5","2","1") = "8"
    & skf18("9","2","3","1","5","3","1") = "8"
    & skf18("9","2","3","1","5","4","1") = "8"
    & skf18("9","2","3","1","5","5","1") = "8"
    & skf18("9","2","3","1","5","6","1") = "8"
    & skf18("9","2","3","1","5","7","1") = "8"
    & skf18("9","2","3","1","5","8","1") = "8"
    & skf18("9","2","3","1","5","9","1") = "8"
    & skf18("9","2","3","1","5","10","1") = "9"
    & skf18("9","2","3","1","6","1","1") = "8"
    & skf18("9","2","3","1","6","2","1") = "8"
    & skf18("9","2","3","1","6","3","1") = "8"
    & skf18("9","2","3","1","6","4","1") = "8"
    & skf18("9","2","3","1","6","5","1") = "8"
    & skf18("9","2","3","1","6","6","1") = "8"
    & skf18("9","2","3","1","6","7","1") = "8"
    & skf18("9","2","3","1","6","8","1") = "8"
    & skf18("9","2","3","1","6","9","1") = "8"
    & skf18("9","2","3","1","6","10","1") = "9"
    & skf18("9","2","3","1","7","1","1") = "8"
    & skf18("9","2","3","1","7","2","1") = "8"
    & skf18("9","2","3","1","7","3","1") = "8"
    & skf18("9","2","3","1","7","4","1") = "8"
    & skf18("9","2","3","1","7","5","1") = "8"
    & skf18("9","2","3","1","7","6","1") = "8"
    & skf18("9","2","3","1","7","7","1") = "8"
    & skf18("9","2","3","1","7","8","1") = "8"
    & skf18("9","2","3","1","7","9","1") = "8"
    & skf18("9","2","3","1","7","10","1") = "9"
    & skf18("9","2","3","1","8","1","1") = "8"
    & skf18("9","2","3","1","8","2","1") = "8"
    & skf18("9","2","3","1","8","3","1") = "8"
    & skf18("9","2","3","1","8","4","1") = "8"
    & skf18("9","2","3","1","8","5","1") = "8"
    & skf18("9","2","3","1","8","6","1") = "8"
    & skf18("9","2","3","1","8","7","1") = "8"
    & skf18("9","2","3","1","8","8","1") = "8"
    & skf18("9","2","3","1","8","9","1") = "8"
    & skf18("9","2","3","1","8","10","1") = "9"
    & skf18("9","2","3","1","9","1","1") = "8"
    & skf18("9","2","3","1","9","2","1") = "8"
    & skf18("9","2","3","1","9","3","1") = "8"
    & skf18("9","2","3","1","9","4","1") = "8"
    & skf18("9","2","3","1","9","5","1") = "8"
    & skf18("9","2","3","1","9","6","1") = "8"
    & skf18("9","2","3","1","9","7","1") = "8"
    & skf18("9","2","3","1","9","8","1") = "8"
    & skf18("9","2","3","1","9","9","1") = "8"
    & skf18("9","2","3","1","9","10","1") = "9"
    & skf18("9","2","3","1","10","1","1") = "9"
    & skf18("9","2","3","1","10","2","1") = "9"
    & skf18("9","2","3","1","10","3","1") = "9"
    & skf18("9","2","3","1","10","4","1") = "9"
    & skf18("9","2","3","1","10","5","1") = "9"
    & skf18("9","2","3","1","10","6","1") = "9"
    & skf18("9","2","3","1","10","7","1") = "9"
    & skf18("9","2","3","1","10","8","1") = "9"
    & skf18("9","2","3","1","10","9","1") = "9"
    & skf18("9","2","3","1","10","10","1") = "9"
    & skf18("9","2","3","2","1","1","1") = "8"
    & skf18("9","2","3","2","1","2","1") = "8"
    & skf18("9","2","3","2","1","3","1") = "8"
    & skf18("9","2","3","2","1","4","1") = "8"
    & skf18("9","2","3","2","1","5","1") = "8"
    & skf18("9","2","3","2","1","6","1") = "8"
    & skf18("9","2","3","2","1","7","1") = "8"
    & skf18("9","2","3","2","1","8","1") = "8"
    & skf18("9","2","3","2","1","9","1") = "8"
    & skf18("9","2","3","2","1","10","1") = "9"
    & skf18("9","2","3","2","2","1","1") = "8"
    & skf18("9","2","3","2","2","2","1") = "8"
    & skf18("9","2","3","2","2","3","1") = "8"
    & skf18("9","2","3","2","2","4","1") = "8"
    & skf18("9","2","3","2","2","5","1") = "8"
    & skf18("9","2","3","2","2","6","1") = "8"
    & skf18("9","2","3","2","2","7","1") = "8"
    & skf18("9","2","3","2","2","8","1") = "8"
    & skf18("9","2","3","2","2","9","1") = "8"
    & skf18("9","2","3","2","2","10","1") = "9"
    & skf18("9","2","3","2","3","1","1") = "8"
    & skf18("9","2","3","2","3","2","1") = "8"
    & skf18("9","2","3","2","3","3","1") = "8"
    & skf18("9","2","3","2","3","4","1") = "8"
    & skf18("9","2","3","2","3","5","1") = "8"
    & skf18("9","2","3","2","3","6","1") = "8"
    & skf18("9","2","3","2","3","7","1") = "8"
    & skf18("9","2","3","2","3","8","1") = "8"
    & skf18("9","2","3","2","3","9","1") = "8"
    & skf18("9","2","3","2","3","10","1") = "9"
    & skf18("9","2","3","2","4","1","1") = "8"
    & skf18("9","2","3","2","4","2","1") = "8"
    & skf18("9","2","3","2","4","3","1") = "8"
    & skf18("9","2","3","2","4","4","1") = "8"
    & skf18("9","2","3","2","4","5","1") = "8"
    & skf18("9","2","3","2","4","6","1") = "8"
    & skf18("9","2","3","2","4","7","1") = "8"
    & skf18("9","2","3","2","4","8","1") = "8"
    & skf18("9","2","3","2","4","9","1") = "8"
    & skf18("9","2","3","2","4","10","1") = "9"
    & skf18("9","2","3","2","5","1","1") = "8"
    & skf18("9","2","3","2","5","2","1") = "8"
    & skf18("9","2","3","2","5","3","1") = "8"
    & skf18("9","2","3","2","5","4","1") = "8"
    & skf18("9","2","3","2","5","5","1") = "8"
    & skf18("9","2","3","2","5","6","1") = "8"
    & skf18("9","2","3","2","5","7","1") = "8"
    & skf18("9","2","3","2","5","8","1") = "8"
    & skf18("9","2","3","2","5","9","1") = "8"
    & skf18("9","2","3","2","5","10","1") = "9"
    & skf18("9","2","3","2","6","1","1") = "8"
    & skf18("9","2","3","2","6","2","1") = "8"
    & skf18("9","2","3","2","6","3","1") = "8"
    & skf18("9","2","3","2","6","4","1") = "8"
    & skf18("9","2","3","2","6","5","1") = "8"
    & skf18("9","2","3","2","6","6","1") = "8"
    & skf18("9","2","3","2","6","7","1") = "8"
    & skf18("9","2","3","2","6","8","1") = "8"
    & skf18("9","2","3","2","6","9","1") = "8"
    & skf18("9","2","3","2","6","10","1") = "9"
    & skf18("9","2","3","2","7","1","1") = "8"
    & skf18("9","2","3","2","7","2","1") = "8"
    & skf18("9","2","3","2","7","3","1") = "8"
    & skf18("9","2","3","2","7","4","1") = "8"
    & skf18("9","2","3","2","7","5","1") = "8"
    & skf18("9","2","3","2","7","6","1") = "8"
    & skf18("9","2","3","2","7","7","1") = "8"
    & skf18("9","2","3","2","7","8","1") = "8"
    & skf18("9","2","3","2","7","9","1") = "8"
    & skf18("9","2","3","2","7","10","1") = "9"
    & skf18("9","2","3","2","8","1","1") = "8"
    & skf18("9","2","3","2","8","2","1") = "8"
    & skf18("9","2","3","2","8","3","1") = "8"
    & skf18("9","2","3","2","8","4","1") = "8"
    & skf18("9","2","3","2","8","5","1") = "8"
    & skf18("9","2","3","2","8","6","1") = "8"
    & skf18("9","2","3","2","8","7","1") = "8"
    & skf18("9","2","3","2","8","8","1") = "8"
    & skf18("9","2","3","2","8","9","1") = "8"
    & skf18("9","2","3","2","8","10","1") = "9"
    & skf18("9","2","3","2","9","1","1") = "8"
    & skf18("9","2","3","2","9","2","1") = "8"
    & skf18("9","2","3","2","9","3","1") = "8"
    & skf18("9","2","3","2","9","4","1") = "8"
    & skf18("9","2","3","2","9","5","1") = "8"
    & skf18("9","2","3","2","9","6","1") = "8"
    & skf18("9","2","3","2","9","7","1") = "8"
    & skf18("9","2","3","2","9","8","1") = "8"
    & skf18("9","2","3","2","9","9","1") = "8"
    & skf18("9","2","3","2","9","10","1") = "9"
    & skf18("9","2","3","2","10","1","1") = "9"
    & skf18("9","2","3","2","10","2","1") = "9"
    & skf18("9","2","3","2","10","3","1") = "9"
    & skf18("9","2","3","2","10","4","1") = "9"
    & skf18("9","2","3","2","10","5","1") = "9"
    & skf18("9","2","3","2","10","6","1") = "9"
    & skf18("9","2","3","2","10","7","1") = "9"
    & skf18("9","2","3","2","10","8","1") = "9"
    & skf18("9","2","3","2","10","9","1") = "9"
    & skf18("9","2","3","2","10","10","1") = "9"
    & skf18("9","2","3","3","1","1","1") = "8"
    & skf18("9","2","3","3","1","2","1") = "8"
    & skf18("9","2","3","3","1","3","1") = "8"
    & skf18("9","2","3","3","1","4","1") = "8"
    & skf18("9","2","3","3","1","5","1") = "8"
    & skf18("9","2","3","3","1","6","1") = "8"
    & skf18("9","2","3","3","1","7","1") = "8"
    & skf18("9","2","3","3","1","8","1") = "8"
    & skf18("9","2","3","3","1","9","1") = "8"
    & skf18("9","2","3","3","1","10","1") = "9"
    & skf18("9","2","3","3","2","1","1") = "8"
    & skf18("9","2","3","3","2","2","1") = "8"
    & skf18("9","2","3","3","2","3","1") = "8"
    & skf18("9","2","3","3","2","4","1") = "8"
    & skf18("9","2","3","3","2","5","1") = "8"
    & skf18("9","2","3","3","2","6","1") = "8"
    & skf18("9","2","3","3","2","7","1") = "8"
    & skf18("9","2","3","3","2","8","1") = "8"
    & skf18("9","2","3","3","2","9","1") = "8"
    & skf18("9","2","3","3","2","10","1") = "9"
    & skf18("9","2","3","3","3","1","1") = "8"
    & skf18("9","2","3","3","3","2","1") = "8"
    & skf18("9","2","3","3","3","3","1") = "8"
    & skf18("9","2","3","3","3","4","1") = "8"
    & skf18("9","2","3","3","3","5","1") = "8"
    & skf18("9","2","3","3","3","6","1") = "8"
    & skf18("9","2","3","3","3","7","1") = "8"
    & skf18("9","2","3","3","3","8","1") = "8"
    & skf18("9","2","3","3","3","9","1") = "8"
    & skf18("9","2","3","3","3","10","1") = "9"
    & skf18("9","2","3","3","4","1","1") = "8"
    & skf18("9","2","3","3","4","2","1") = "8"
    & skf18("9","2","3","3","4","3","1") = "8"
    & skf18("9","2","3","3","4","4","1") = "8"
    & skf18("9","2","3","3","4","5","1") = "8"
    & skf18("9","2","3","3","4","6","1") = "8"
    & skf18("9","2","3","3","4","7","1") = "8"
    & skf18("9","2","3","3","4","8","1") = "8"
    & skf18("9","2","3","3","4","9","1") = "8"
    & skf18("9","2","3","3","4","10","1") = "9"
    & skf18("9","2","3","3","5","1","1") = "8"
    & skf18("9","2","3","3","5","2","1") = "8"
    & skf18("9","2","3","3","5","3","1") = "8"
    & skf18("9","2","3","3","5","4","1") = "8"
    & skf18("9","2","3","3","5","5","1") = "8"
    & skf18("9","2","3","3","5","6","1") = "8"
    & skf18("9","2","3","3","5","7","1") = "8"
    & skf18("9","2","3","3","5","8","1") = "8"
    & skf18("9","2","3","3","5","9","1") = "8"
    & skf18("9","2","3","3","5","10","1") = "9"
    & skf18("9","2","3","3","6","1","1") = "8"
    & skf18("9","2","3","3","6","2","1") = "8"
    & skf18("9","2","3","3","6","3","1") = "8"
    & skf18("9","2","3","3","6","4","1") = "8"
    & skf18("9","2","3","3","6","5","1") = "8"
    & skf18("9","2","3","3","6","6","1") = "8"
    & skf18("9","2","3","3","6","7","1") = "8"
    & skf18("9","2","3","3","6","8","1") = "8"
    & skf18("9","2","3","3","6","9","1") = "8"
    & skf18("9","2","3","3","6","10","1") = "9"
    & skf18("9","2","3","3","7","1","1") = "8"
    & skf18("9","2","3","3","7","2","1") = "8"
    & skf18("9","2","3","3","7","3","1") = "8"
    & skf18("9","2","3","3","7","4","1") = "8"
    & skf18("9","2","3","3","7","5","1") = "8"
    & skf18("9","2","3","3","7","6","1") = "8"
    & skf18("9","2","3","3","7","7","1") = "8"
    & skf18("9","2","3","3","7","8","1") = "8"
    & skf18("9","2","3","3","7","9","1") = "8"
    & skf18("9","2","3","3","7","10","1") = "9"
    & skf18("9","2","3","3","8","1","1") = "8"
    & skf18("9","2","3","3","8","2","1") = "8"
    & skf18("9","2","3","3","8","3","1") = "8"
    & skf18("9","2","3","3","8","4","1") = "8"
    & skf18("9","2","3","3","8","5","1") = "8"
    & skf18("9","2","3","3","8","6","1") = "8"
    & skf18("9","2","3","3","8","7","1") = "8"
    & skf18("9","2","3","3","8","8","1") = "8"
    & skf18("9","2","3","3","8","9","1") = "8"
    & skf18("9","2","3","3","8","10","1") = "9"
    & skf18("9","2","3","3","9","1","1") = "8"
    & skf18("9","2","3","3","9","2","1") = "8"
    & skf18("9","2","3","3","9","3","1") = "8"
    & skf18("9","2","3","3","9","4","1") = "8"
    & skf18("9","2","3","3","9","5","1") = "8"
    & skf18("9","2","3","3","9","6","1") = "8"
    & skf18("9","2","3","3","9","7","1") = "8"
    & skf18("9","2","3","3","9","8","1") = "8"
    & skf18("9","2","3","3","9","9","1") = "8"
    & skf18("9","2","3","3","9","10","1") = "9"
    & skf18("9","2","3","3","10","1","1") = "9"
    & skf18("9","2","3","3","10","2","1") = "9"
    & skf18("9","2","3","3","10","3","1") = "9"
    & skf18("9","2","3","3","10","4","1") = "9"
    & skf18("9","2","3","3","10","5","1") = "9"
    & skf18("9","2","3","3","10","6","1") = "9"
    & skf18("9","2","3","3","10","7","1") = "9"
    & skf18("9","2","3","3","10","8","1") = "9"
    & skf18("9","2","3","3","10","9","1") = "9"
    & skf18("9","2","3","3","10","10","1") = "9"
    & skf18("9","2","3","4","1","1","1") = "8"
    & skf18("9","2","3","4","1","2","1") = "8"
    & skf18("9","2","3","4","1","3","1") = "8"
    & skf18("9","2","3","4","1","4","1") = "8"
    & skf18("9","2","3","4","1","5","1") = "8"
    & skf18("9","2","3","4","1","6","1") = "8"
    & skf18("9","2","3","4","1","7","1") = "8"
    & skf18("9","2","3","4","1","8","1") = "8"
    & skf18("9","2","3","4","1","9","1") = "8"
    & skf18("9","2","3","4","1","10","1") = "9"
    & skf18("9","2","3","4","2","1","1") = "8"
    & skf18("9","2","3","4","2","2","1") = "8"
    & skf18("9","2","3","4","2","3","1") = "8"
    & skf18("9","2","3","4","2","4","1") = "8"
    & skf18("9","2","3","4","2","5","1") = "8"
    & skf18("9","2","3","4","2","6","1") = "8"
    & skf18("9","2","3","4","2","7","1") = "8"
    & skf18("9","2","3","4","2","8","1") = "8"
    & skf18("9","2","3","4","2","9","1") = "8"
    & skf18("9","2","3","4","2","10","1") = "9"
    & skf18("9","2","3","4","3","1","1") = "8"
    & skf18("9","2","3","4","3","2","1") = "8"
    & skf18("9","2","3","4","3","3","1") = "8"
    & skf18("9","2","3","4","3","4","1") = "8"
    & skf18("9","2","3","4","3","5","1") = "8"
    & skf18("9","2","3","4","3","6","1") = "8"
    & skf18("9","2","3","4","3","7","1") = "8"
    & skf18("9","2","3","4","3","8","1") = "8"
    & skf18("9","2","3","4","3","9","1") = "8"
    & skf18("9","2","3","4","3","10","1") = "9"
    & skf18("9","2","3","4","4","1","1") = "8"
    & skf18("9","2","3","4","4","2","1") = "8"
    & skf18("9","2","3","4","4","3","1") = "8"
    & skf18("9","2","3","4","4","4","1") = "8"
    & skf18("9","2","3","4","4","5","1") = "8"
    & skf18("9","2","3","4","4","6","1") = "8"
    & skf18("9","2","3","4","4","7","1") = "8"
    & skf18("9","2","3","4","4","8","1") = "8"
    & skf18("9","2","3","4","4","9","1") = "8"
    & skf18("9","2","3","4","4","10","1") = "9"
    & skf18("9","2","3","4","5","1","1") = "8"
    & skf18("9","2","3","4","5","2","1") = "8"
    & skf18("9","2","3","4","5","3","1") = "8"
    & skf18("9","2","3","4","5","4","1") = "8"
    & skf18("9","2","3","4","5","5","1") = "8"
    & skf18("9","2","3","4","5","6","1") = "8"
    & skf18("9","2","3","4","5","7","1") = "8"
    & skf18("9","2","3","4","5","8","1") = "8"
    & skf18("9","2","3","4","5","9","1") = "8"
    & skf18("9","2","3","4","5","10","1") = "9"
    & skf18("9","2","3","4","6","1","1") = "8"
    & skf18("9","2","3","4","6","2","1") = "8"
    & skf18("9","2","3","4","6","3","1") = "8"
    & skf18("9","2","3","4","6","4","1") = "8"
    & skf18("9","2","3","4","6","5","1") = "8"
    & skf18("9","2","3","4","6","6","1") = "8"
    & skf18("9","2","3","4","6","7","1") = "8"
    & skf18("9","2","3","4","6","8","1") = "8"
    & skf18("9","2","3","4","6","9","1") = "8"
    & skf18("9","2","3","4","6","10","1") = "9"
    & skf18("9","2","3","4","7","1","1") = "8"
    & skf18("9","2","3","4","7","2","1") = "8"
    & skf18("9","2","3","4","7","3","1") = "8"
    & skf18("9","2","3","4","7","4","1") = "8"
    & skf18("9","2","3","4","7","5","1") = "8"
    & skf18("9","2","3","4","7","6","1") = "8"
    & skf18("9","2","3","4","7","7","1") = "8"
    & skf18("9","2","3","4","7","8","1") = "8"
    & skf18("9","2","3","4","7","9","1") = "8"
    & skf18("9","2","3","4","7","10","1") = "9"
    & skf18("9","2","3","4","8","1","1") = "8"
    & skf18("9","2","3","4","8","2","1") = "8"
    & skf18("9","2","3","4","8","3","1") = "8"
    & skf18("9","2","3","4","8","4","1") = "8"
    & skf18("9","2","3","4","8","5","1") = "8"
    & skf18("9","2","3","4","8","6","1") = "8"
    & skf18("9","2","3","4","8","7","1") = "8"
    & skf18("9","2","3","4","8","8","1") = "8"
    & skf18("9","2","3","4","8","9","1") = "8"
    & skf18("9","2","3","4","8","10","1") = "9"
    & skf18("9","2","3","4","9","1","1") = "8"
    & skf18("9","2","3","4","9","2","1") = "8"
    & skf18("9","2","3","4","9","3","1") = "8"
    & skf18("9","2","3","4","9","4","1") = "8"
    & skf18("9","2","3","4","9","5","1") = "8"
    & skf18("9","2","3","4","9","6","1") = "8"
    & skf18("9","2","3","4","9","7","1") = "8"
    & skf18("9","2","3","4","9","8","1") = "8"
    & skf18("9","2","3","4","9","9","1") = "8"
    & skf18("9","2","3","4","9","10","1") = "9"
    & skf18("9","2","3","4","10","1","1") = "9"
    & skf18("9","2","3","4","10","2","1") = "9"
    & skf18("9","2","3","4","10","3","1") = "9"
    & skf18("9","2","3","4","10","4","1") = "9"
    & skf18("9","2","3","4","10","5","1") = "9"
    & skf18("9","2","3","4","10","6","1") = "9"
    & skf18("9","2","3","4","10","7","1") = "9"
    & skf18("9","2","3","4","10","8","1") = "9"
    & skf18("9","2","3","4","10","9","1") = "9"
    & skf18("9","2","3","4","10","10","1") = "9"
    & skf18("9","2","3","5","1","1","1") = "8"
    & skf18("9","2","3","5","1","2","1") = "8"
    & skf18("9","2","3","5","1","3","1") = "8"
    & skf18("9","2","3","5","1","4","1") = "8"
    & skf18("9","2","3","5","1","5","1") = "8"
    & skf18("9","2","3","5","1","6","1") = "8"
    & skf18("9","2","3","5","1","7","1") = "8"
    & skf18("9","2","3","5","1","8","1") = "8"
    & skf18("9","2","3","5","1","9","1") = "8"
    & skf18("9","2","3","5","1","10","1") = "9"
    & skf18("9","2","3","5","2","1","1") = "8"
    & skf18("9","2","3","5","2","2","1") = "8"
    & skf18("9","2","3","5","2","3","1") = "8"
    & skf18("9","2","3","5","2","4","1") = "8"
    & skf18("9","2","3","5","2","5","1") = "8"
    & skf18("9","2","3","5","2","6","1") = "8"
    & skf18("9","2","3","5","2","7","1") = "8"
    & skf18("9","2","3","5","2","8","1") = "8"
    & skf18("9","2","3","5","2","9","1") = "8"
    & skf18("9","2","3","5","2","10","1") = "9"
    & skf18("9","2","3","5","3","1","1") = "8"
    & skf18("9","2","3","5","3","2","1") = "8"
    & skf18("9","2","3","5","3","3","1") = "8"
    & skf18("9","2","3","5","3","4","1") = "8"
    & skf18("9","2","3","5","3","5","1") = "8"
    & skf18("9","2","3","5","3","6","1") = "8"
    & skf18("9","2","3","5","3","7","1") = "8"
    & skf18("9","2","3","5","3","8","1") = "8"
    & skf18("9","2","3","5","3","9","1") = "8"
    & skf18("9","2","3","5","3","10","1") = "9"
    & skf18("9","2","3","5","4","1","1") = "8"
    & skf18("9","2","3","5","4","2","1") = "8"
    & skf18("9","2","3","5","4","3","1") = "8"
    & skf18("9","2","3","5","4","4","1") = "8"
    & skf18("9","2","3","5","4","5","1") = "8"
    & skf18("9","2","3","5","4","6","1") = "8"
    & skf18("9","2","3","5","4","7","1") = "8"
    & skf18("9","2","3","5","4","8","1") = "8"
    & skf18("9","2","3","5","4","9","1") = "8"
    & skf18("9","2","3","5","4","10","1") = "9"
    & skf18("9","2","3","5","5","1","1") = "8"
    & skf18("9","2","3","5","5","2","1") = "8"
    & skf18("9","2","3","5","5","3","1") = "8"
    & skf18("9","2","3","5","5","4","1") = "8"
    & skf18("9","2","3","5","5","5","1") = "8"
    & skf18("9","2","3","5","5","6","1") = "8"
    & skf18("9","2","3","5","5","7","1") = "8"
    & skf18("9","2","3","5","5","8","1") = "8"
    & skf18("9","2","3","5","5","9","1") = "8"
    & skf18("9","2","3","5","5","10","1") = "9"
    & skf18("9","2","3","5","6","1","1") = "8"
    & skf18("9","2","3","5","6","2","1") = "8"
    & skf18("9","2","3","5","6","3","1") = "8"
    & skf18("9","2","3","5","6","4","1") = "8"
    & skf18("9","2","3","5","6","5","1") = "8"
    & skf18("9","2","3","5","6","6","1") = "8"
    & skf18("9","2","3","5","6","7","1") = "8"
    & skf18("9","2","3","5","6","8","1") = "8"
    & skf18("9","2","3","5","6","9","1") = "8"
    & skf18("9","2","3","5","6","10","1") = "9"
    & skf18("9","2","3","5","7","1","1") = "8"
    & skf18("9","2","3","5","7","2","1") = "8"
    & skf18("9","2","3","5","7","3","1") = "8"
    & skf18("9","2","3","5","7","4","1") = "8"
    & skf18("9","2","3","5","7","5","1") = "8"
    & skf18("9","2","3","5","7","6","1") = "8"
    & skf18("9","2","3","5","7","7","1") = "8"
    & skf18("9","2","3","5","7","8","1") = "8"
    & skf18("9","2","3","5","7","9","1") = "8"
    & skf18("9","2","3","5","7","10","1") = "9"
    & skf18("9","2","3","5","8","1","1") = "8"
    & skf18("9","2","3","5","8","2","1") = "8"
    & skf18("9","2","3","5","8","3","1") = "8"
    & skf18("9","2","3","5","8","4","1") = "8"
    & skf18("9","2","3","5","8","5","1") = "8"
    & skf18("9","2","3","5","8","6","1") = "8"
    & skf18("9","2","3","5","8","7","1") = "8"
    & skf18("9","2","3","5","8","8","1") = "8"
    & skf18("9","2","3","5","8","9","1") = "8"
    & skf18("9","2","3","5","8","10","1") = "9"
    & skf18("9","2","3","5","9","1","1") = "8"
    & skf18("9","2","3","5","9","2","1") = "8"
    & skf18("9","2","3","5","9","3","1") = "8"
    & skf18("9","2","3","5","9","4","1") = "8"
    & skf18("9","2","3","5","9","5","1") = "8"
    & skf18("9","2","3","5","9","6","1") = "8"
    & skf18("9","2","3","5","9","7","1") = "8"
    & skf18("9","2","3","5","9","8","1") = "8"
    & skf18("9","2","3","5","9","9","1") = "8"
    & skf18("9","2","3","5","9","10","1") = "9"
    & skf18("9","2","3","5","10","1","1") = "9"
    & skf18("9","2","3","5","10","2","1") = "9"
    & skf18("9","2","3","5","10","3","1") = "9"
    & skf18("9","2","3","5","10","4","1") = "9"
    & skf18("9","2","3","5","10","5","1") = "9"
    & skf18("9","2","3","5","10","6","1") = "9"
    & skf18("9","2","3","5","10","7","1") = "9"
    & skf18("9","2","3","5","10","8","1") = "9"
    & skf18("9","2","3","5","10","9","1") = "9"
    & skf18("9","2","3","5","10","10","1") = "9"
    & skf18("9","2","3","6","1","1","1") = "8"
    & skf18("9","2","3","6","1","2","1") = "8"
    & skf18("9","2","3","6","1","3","1") = "8"
    & skf18("9","2","3","6","1","4","1") = "8"
    & skf18("9","2","3","6","1","5","1") = "8"
    & skf18("9","2","3","6","1","6","1") = "8"
    & skf18("9","2","3","6","1","7","1") = "8"
    & skf18("9","2","3","6","1","8","1") = "8"
    & skf18("9","2","3","6","1","9","1") = "8"
    & skf18("9","2","3","6","1","10","1") = "9"
    & skf18("9","2","3","6","2","1","1") = "8"
    & skf18("9","2","3","6","2","2","1") = "8"
    & skf18("9","2","3","6","2","3","1") = "8"
    & skf18("9","2","3","6","2","4","1") = "8"
    & skf18("9","2","3","6","2","5","1") = "8"
    & skf18("9","2","3","6","2","6","1") = "8"
    & skf18("9","2","3","6","2","7","1") = "8"
    & skf18("9","2","3","6","2","8","1") = "8"
    & skf18("9","2","3","6","2","9","1") = "8"
    & skf18("9","2","3","6","2","10","1") = "9"
    & skf18("9","2","3","6","3","1","1") = "8"
    & skf18("9","2","3","6","3","2","1") = "8"
    & skf18("9","2","3","6","3","3","1") = "8"
    & skf18("9","2","3","6","3","4","1") = "8"
    & skf18("9","2","3","6","3","5","1") = "8"
    & skf18("9","2","3","6","3","6","1") = "8"
    & skf18("9","2","3","6","3","7","1") = "8"
    & skf18("9","2","3","6","3","8","1") = "8"
    & skf18("9","2","3","6","3","9","1") = "8"
    & skf18("9","2","3","6","3","10","1") = "9"
    & skf18("9","2","3","6","4","1","1") = "8"
    & skf18("9","2","3","6","4","2","1") = "8"
    & skf18("9","2","3","6","4","3","1") = "8"
    & skf18("9","2","3","6","4","4","1") = "8"
    & skf18("9","2","3","6","4","5","1") = "8"
    & skf18("9","2","3","6","4","6","1") = "8"
    & skf18("9","2","3","6","4","7","1") = "8"
    & skf18("9","2","3","6","4","8","1") = "8"
    & skf18("9","2","3","6","4","9","1") = "8"
    & skf18("9","2","3","6","4","10","1") = "9"
    & skf18("9","2","3","6","5","1","1") = "8"
    & skf18("9","2","3","6","5","2","1") = "8"
    & skf18("9","2","3","6","5","3","1") = "8"
    & skf18("9","2","3","6","5","4","1") = "8"
    & skf18("9","2","3","6","5","5","1") = "8"
    & skf18("9","2","3","6","5","6","1") = "8"
    & skf18("9","2","3","6","5","7","1") = "8"
    & skf18("9","2","3","6","5","8","1") = "8"
    & skf18("9","2","3","6","5","9","1") = "8"
    & skf18("9","2","3","6","5","10","1") = "9"
    & skf18("9","2","3","6","6","1","1") = "8"
    & skf18("9","2","3","6","6","2","1") = "8"
    & skf18("9","2","3","6","6","3","1") = "8"
    & skf18("9","2","3","6","6","4","1") = "8"
    & skf18("9","2","3","6","6","5","1") = "8"
    & skf18("9","2","3","6","6","6","1") = "8"
    & skf18("9","2","3","6","6","7","1") = "8"
    & skf18("9","2","3","6","6","8","1") = "8"
    & skf18("9","2","3","6","6","9","1") = "8"
    & skf18("9","2","3","6","6","10","1") = "9"
    & skf18("9","2","3","6","7","1","1") = "8"
    & skf18("9","2","3","6","7","2","1") = "8"
    & skf18("9","2","3","6","7","3","1") = "8"
    & skf18("9","2","3","6","7","4","1") = "8"
    & skf18("9","2","3","6","7","5","1") = "8"
    & skf18("9","2","3","6","7","6","1") = "8"
    & skf18("9","2","3","6","7","7","1") = "8"
    & skf18("9","2","3","6","7","8","1") = "8"
    & skf18("9","2","3","6","7","9","1") = "8"
    & skf18("9","2","3","6","7","10","1") = "9"
    & skf18("9","2","3","6","8","1","1") = "8"
    & skf18("9","2","3","6","8","2","1") = "8"
    & skf18("9","2","3","6","8","3","1") = "8"
    & skf18("9","2","3","6","8","4","1") = "8"
    & skf18("9","2","3","6","8","5","1") = "8"
    & skf18("9","2","3","6","8","6","1") = "8"
    & skf18("9","2","3","6","8","7","1") = "8"
    & skf18("9","2","3","6","8","8","1") = "8"
    & skf18("9","2","3","6","8","9","1") = "8"
    & skf18("9","2","3","6","8","10","1") = "9"
    & skf18("9","2","3","6","9","1","1") = "8"
    & skf18("9","2","3","6","9","2","1") = "8"
    & skf18("9","2","3","6","9","3","1") = "8"
    & skf18("9","2","3","6","9","4","1") = "8"
    & skf18("9","2","3","6","9","5","1") = "8"
    & skf18("9","2","3","6","9","6","1") = "8"
    & skf18("9","2","3","6","9","7","1") = "8"
    & skf18("9","2","3","6","9","8","1") = "8"
    & skf18("9","2","3","6","9","9","1") = "8"
    & skf18("9","2","3","6","9","10","1") = "9"
    & skf18("9","2","3","6","10","1","1") = "9"
    & skf18("9","2","3","6","10","2","1") = "9"
    & skf18("9","2","3","6","10","3","1") = "9"
    & skf18("9","2","3","6","10","4","1") = "9"
    & skf18("9","2","3","6","10","5","1") = "9"
    & skf18("9","2","3","6","10","6","1") = "9"
    & skf18("9","2","3","6","10","7","1") = "9"
    & skf18("9","2","3","6","10","8","1") = "9"
    & skf18("9","2","3","6","10","9","1") = "9"
    & skf18("9","2","3","6","10","10","1") = "9"
    & skf18("9","2","3","7","1","1","1") = "8"
    & skf18("9","2","3","7","1","2","1") = "8"
    & skf18("9","2","3","7","1","3","1") = "8"
    & skf18("9","2","3","7","1","4","1") = "8"
    & skf18("9","2","3","7","1","5","1") = "8"
    & skf18("9","2","3","7","1","6","1") = "8"
    & skf18("9","2","3","7","1","7","1") = "8"
    & skf18("9","2","3","7","1","8","1") = "8"
    & skf18("9","2","3","7","1","9","1") = "8"
    & skf18("9","2","3","7","1","10","1") = "9"
    & skf18("9","2","3","7","2","1","1") = "8"
    & skf18("9","2","3","7","2","2","1") = "8"
    & skf18("9","2","3","7","2","3","1") = "8"
    & skf18("9","2","3","7","2","4","1") = "8"
    & skf18("9","2","3","7","2","5","1") = "8"
    & skf18("9","2","3","7","2","6","1") = "8"
    & skf18("9","2","3","7","2","7","1") = "8"
    & skf18("9","2","3","7","2","8","1") = "8"
    & skf18("9","2","3","7","2","9","1") = "8"
    & skf18("9","2","3","7","2","10","1") = "9"
    & skf18("9","2","3","7","3","1","1") = "8"
    & skf18("9","2","3","7","3","2","1") = "8"
    & skf18("9","2","3","7","3","3","1") = "8"
    & skf18("9","2","3","7","3","4","1") = "8"
    & skf18("9","2","3","7","3","5","1") = "8"
    & skf18("9","2","3","7","3","6","1") = "8"
    & skf18("9","2","3","7","3","7","1") = "8"
    & skf18("9","2","3","7","3","8","1") = "8"
    & skf18("9","2","3","7","3","9","1") = "8"
    & skf18("9","2","3","7","3","10","1") = "9"
    & skf18("9","2","3","7","4","1","1") = "8"
    & skf18("9","2","3","7","4","2","1") = "8"
    & skf18("9","2","3","7","4","3","1") = "8"
    & skf18("9","2","3","7","4","4","1") = "8"
    & skf18("9","2","3","7","4","5","1") = "8"
    & skf18("9","2","3","7","4","6","1") = "8"
    & skf18("9","2","3","7","4","7","1") = "8"
    & skf18("9","2","3","7","4","8","1") = "8"
    & skf18("9","2","3","7","4","9","1") = "8"
    & skf18("9","2","3","7","4","10","1") = "9"
    & skf18("9","2","3","7","5","1","1") = "8"
    & skf18("9","2","3","7","5","2","1") = "8"
    & skf18("9","2","3","7","5","3","1") = "8"
    & skf18("9","2","3","7","5","4","1") = "8"
    & skf18("9","2","3","7","5","5","1") = "8"
    & skf18("9","2","3","7","5","6","1") = "8"
    & skf18("9","2","3","7","5","7","1") = "8"
    & skf18("9","2","3","7","5","8","1") = "8"
    & skf18("9","2","3","7","5","9","1") = "8"
    & skf18("9","2","3","7","5","10","1") = "9"
    & skf18("9","2","3","7","6","1","1") = "8"
    & skf18("9","2","3","7","6","2","1") = "8"
    & skf18("9","2","3","7","6","3","1") = "8"
    & skf18("9","2","3","7","6","4","1") = "8"
    & skf18("9","2","3","7","6","5","1") = "8"
    & skf18("9","2","3","7","6","6","1") = "8"
    & skf18("9","2","3","7","6","7","1") = "8"
    & skf18("9","2","3","7","6","8","1") = "8"
    & skf18("9","2","3","7","6","9","1") = "8"
    & skf18("9","2","3","7","6","10","1") = "9"
    & skf18("9","2","3","7","7","1","1") = "8"
    & skf18("9","2","3","7","7","2","1") = "8"
    & skf18("9","2","3","7","7","3","1") = "8"
    & skf18("9","2","3","7","7","4","1") = "8"
    & skf18("9","2","3","7","7","5","1") = "8"
    & skf18("9","2","3","7","7","6","1") = "8"
    & skf18("9","2","3","7","7","7","1") = "8"
    & skf18("9","2","3","7","7","8","1") = "8"
    & skf18("9","2","3","7","7","9","1") = "8"
    & skf18("9","2","3","7","7","10","1") = "9"
    & skf18("9","2","3","7","8","1","1") = "8"
    & skf18("9","2","3","7","8","2","1") = "8"
    & skf18("9","2","3","7","8","3","1") = "8"
    & skf18("9","2","3","7","8","4","1") = "8"
    & skf18("9","2","3","7","8","5","1") = "8"
    & skf18("9","2","3","7","8","6","1") = "8"
    & skf18("9","2","3","7","8","7","1") = "8"
    & skf18("9","2","3","7","8","8","1") = "8"
    & skf18("9","2","3","7","8","9","1") = "8"
    & skf18("9","2","3","7","8","10","1") = "9"
    & skf18("9","2","3","7","9","1","1") = "8"
    & skf18("9","2","3","7","9","2","1") = "8"
    & skf18("9","2","3","7","9","3","1") = "8"
    & skf18("9","2","3","7","9","4","1") = "8"
    & skf18("9","2","3","7","9","5","1") = "8"
    & skf18("9","2","3","7","9","6","1") = "8"
    & skf18("9","2","3","7","9","7","1") = "8"
    & skf18("9","2","3","7","9","8","1") = "8"
    & skf18("9","2","3","7","9","9","1") = "8"
    & skf18("9","2","3","7","9","10","1") = "9"
    & skf18("9","2","3","7","10","1","1") = "9"
    & skf18("9","2","3","7","10","2","1") = "9"
    & skf18("9","2","3","7","10","3","1") = "9"
    & skf18("9","2","3","7","10","4","1") = "9"
    & skf18("9","2","3","7","10","5","1") = "9"
    & skf18("9","2","3","7","10","6","1") = "9"
    & skf18("9","2","3","7","10","7","1") = "9"
    & skf18("9","2","3","7","10","8","1") = "9"
    & skf18("9","2","3","7","10","9","1") = "9"
    & skf18("9","2","3","7","10","10","1") = "9"
    & skf18("9","2","3","8","1","1","1") = "8"
    & skf18("9","2","3","8","1","2","1") = "8"
    & skf18("9","2","3","8","1","3","1") = "8"
    & skf18("9","2","3","8","1","4","1") = "8"
    & skf18("9","2","3","8","1","5","1") = "8"
    & skf18("9","2","3","8","1","6","1") = "8"
    & skf18("9","2","3","8","1","7","1") = "8"
    & skf18("9","2","3","8","1","8","1") = "8"
    & skf18("9","2","3","8","1","9","1") = "8"
    & skf18("9","2","3","8","1","10","1") = "9"
    & skf18("9","2","3","8","2","1","1") = "8"
    & skf18("9","2","3","8","2","2","1") = "8"
    & skf18("9","2","3","8","2","3","1") = "8"
    & skf18("9","2","3","8","2","4","1") = "8"
    & skf18("9","2","3","8","2","5","1") = "8"
    & skf18("9","2","3","8","2","6","1") = "8"
    & skf18("9","2","3","8","2","7","1") = "8"
    & skf18("9","2","3","8","2","8","1") = "8"
    & skf18("9","2","3","8","2","9","1") = "8"
    & skf18("9","2","3","8","2","10","1") = "9"
    & skf18("9","2","3","8","3","1","1") = "8"
    & skf18("9","2","3","8","3","2","1") = "8"
    & skf18("9","2","3","8","3","3","1") = "8"
    & skf18("9","2","3","8","3","4","1") = "8"
    & skf18("9","2","3","8","3","5","1") = "8"
    & skf18("9","2","3","8","3","6","1") = "8"
    & skf18("9","2","3","8","3","7","1") = "8"
    & skf18("9","2","3","8","3","8","1") = "8"
    & skf18("9","2","3","8","3","9","1") = "8"
    & skf18("9","2","3","8","3","10","1") = "9"
    & skf18("9","2","3","8","4","1","1") = "8"
    & skf18("9","2","3","8","4","2","1") = "8"
    & skf18("9","2","3","8","4","3","1") = "8"
    & skf18("9","2","3","8","4","4","1") = "8"
    & skf18("9","2","3","8","4","5","1") = "8"
    & skf18("9","2","3","8","4","6","1") = "8"
    & skf18("9","2","3","8","4","7","1") = "8"
    & skf18("9","2","3","8","4","8","1") = "8"
    & skf18("9","2","3","8","4","9","1") = "8"
    & skf18("9","2","3","8","4","10","1") = "9"
    & skf18("9","2","3","8","5","1","1") = "8"
    & skf18("9","2","3","8","5","2","1") = "8"
    & skf18("9","2","3","8","5","3","1") = "8"
    & skf18("9","2","3","8","5","4","1") = "8"
    & skf18("9","2","3","8","5","5","1") = "8"
    & skf18("9","2","3","8","5","6","1") = "8"
    & skf18("9","2","3","8","5","7","1") = "8"
    & skf18("9","2","3","8","5","8","1") = "8"
    & skf18("9","2","3","8","5","9","1") = "8"
    & skf18("9","2","3","8","5","10","1") = "9"
    & skf18("9","2","3","8","6","1","1") = "8"
    & skf18("9","2","3","8","6","2","1") = "8"
    & skf18("9","2","3","8","6","3","1") = "8"
    & skf18("9","2","3","8","6","4","1") = "8"
    & skf18("9","2","3","8","6","5","1") = "8"
    & skf18("9","2","3","8","6","6","1") = "8"
    & skf18("9","2","3","8","6","7","1") = "8"
    & skf18("9","2","3","8","6","8","1") = "8"
    & skf18("9","2","3","8","6","9","1") = "8"
    & skf18("9","2","3","8","6","10","1") = "9"
    & skf18("9","2","3","8","7","1","1") = "8"
    & skf18("9","2","3","8","7","2","1") = "8"
    & skf18("9","2","3","8","7","3","1") = "8"
    & skf18("9","2","3","8","7","4","1") = "8"
    & skf18("9","2","3","8","7","5","1") = "8"
    & skf18("9","2","3","8","7","6","1") = "8"
    & skf18("9","2","3","8","7","7","1") = "8"
    & skf18("9","2","3","8","7","8","1") = "8"
    & skf18("9","2","3","8","7","9","1") = "8"
    & skf18("9","2","3","8","7","10","1") = "9"
    & skf18("9","2","3","8","8","1","1") = "8"
    & skf18("9","2","3","8","8","2","1") = "8"
    & skf18("9","2","3","8","8","3","1") = "8"
    & skf18("9","2","3","8","8","4","1") = "8"
    & skf18("9","2","3","8","8","5","1") = "8"
    & skf18("9","2","3","8","8","6","1") = "8"
    & skf18("9","2","3","8","8","7","1") = "8"
    & skf18("9","2","3","8","8","8","1") = "8"
    & skf18("9","2","3","8","8","9","1") = "8"
    & skf18("9","2","3","8","8","10","1") = "9"
    & skf18("9","2","3","8","9","1","1") = "8"
    & skf18("9","2","3","8","9","2","1") = "8"
    & skf18("9","2","3","8","9","3","1") = "8"
    & skf18("9","2","3","8","9","4","1") = "8"
    & skf18("9","2","3","8","9","5","1") = "8"
    & skf18("9","2","3","8","9","6","1") = "8"
    & skf18("9","2","3","8","9","7","1") = "8"
    & skf18("9","2","3","8","9","8","1") = "8"
    & skf18("9","2","3","8","9","9","1") = "8"
    & skf18("9","2","3","8","9","10","1") = "9"
    & skf18("9","2","3","8","10","1","1") = "9"
    & skf18("9","2","3","8","10","2","1") = "9"
    & skf18("9","2","3","8","10","3","1") = "9"
    & skf18("9","2","3","8","10","4","1") = "9"
    & skf18("9","2","3","8","10","5","1") = "9"
    & skf18("9","2","3","8","10","6","1") = "9"
    & skf18("9","2","3","8","10","7","1") = "9"
    & skf18("9","2","3","8","10","8","1") = "9"
    & skf18("9","2","3","8","10","9","1") = "9"
    & skf18("9","2","3","8","10","10","1") = "9"
    & skf18("9","2","3","9","1","1","1") = "8"
    & skf18("9","2","3","9","1","2","1") = "8"
    & skf18("9","2","3","9","1","3","1") = "8"
    & skf18("9","2","3","9","1","4","1") = "8"
    & skf18("9","2","3","9","1","5","1") = "8"
    & skf18("9","2","3","9","1","6","1") = "8"
    & skf18("9","2","3","9","1","7","1") = "8"
    & skf18("9","2","3","9","1","8","1") = "8"
    & skf18("9","2","3","9","1","9","1") = "8"
    & skf18("9","2","3","9","1","10","1") = "9"
    & skf18("9","2","3","9","2","1","1") = "8"
    & skf18("9","2","3","9","2","2","1") = "8"
    & skf18("9","2","3","9","2","3","1") = "8"
    & skf18("9","2","3","9","2","4","1") = "8"
    & skf18("9","2","3","9","2","5","1") = "8"
    & skf18("9","2","3","9","2","6","1") = "8"
    & skf18("9","2","3","9","2","7","1") = "8"
    & skf18("9","2","3","9","2","8","1") = "8"
    & skf18("9","2","3","9","2","9","1") = "8"
    & skf18("9","2","3","9","2","10","1") = "9"
    & skf18("9","2","3","9","3","1","1") = "8"
    & skf18("9","2","3","9","3","2","1") = "8"
    & skf18("9","2","3","9","3","3","1") = "8"
    & skf18("9","2","3","9","3","4","1") = "8"
    & skf18("9","2","3","9","3","5","1") = "8"
    & skf18("9","2","3","9","3","6","1") = "8"
    & skf18("9","2","3","9","3","7","1") = "8"
    & skf18("9","2","3","9","3","8","1") = "8"
    & skf18("9","2","3","9","3","9","1") = "8"
    & skf18("9","2","3","9","3","10","1") = "9"
    & skf18("9","2","3","9","4","1","1") = "8"
    & skf18("9","2","3","9","4","2","1") = "8"
    & skf18("9","2","3","9","4","3","1") = "8"
    & skf18("9","2","3","9","4","4","1") = "8"
    & skf18("9","2","3","9","4","5","1") = "8"
    & skf18("9","2","3","9","4","6","1") = "8"
    & skf18("9","2","3","9","4","7","1") = "8"
    & skf18("9","2","3","9","4","8","1") = "8"
    & skf18("9","2","3","9","4","9","1") = "8"
    & skf18("9","2","3","9","4","10","1") = "9"
    & skf18("9","2","3","9","5","1","1") = "8"
    & skf18("9","2","3","9","5","2","1") = "8"
    & skf18("9","2","3","9","5","3","1") = "8"
    & skf18("9","2","3","9","5","4","1") = "8"
    & skf18("9","2","3","9","5","5","1") = "8"
    & skf18("9","2","3","9","5","6","1") = "8"
    & skf18("9","2","3","9","5","7","1") = "8"
    & skf18("9","2","3","9","5","8","1") = "8"
    & skf18("9","2","3","9","5","9","1") = "8"
    & skf18("9","2","3","9","5","10","1") = "9"
    & skf18("9","2","3","9","6","1","1") = "8"
    & skf18("9","2","3","9","6","2","1") = "8"
    & skf18("9","2","3","9","6","3","1") = "8"
    & skf18("9","2","3","9","6","4","1") = "8"
    & skf18("9","2","3","9","6","5","1") = "8"
    & skf18("9","2","3","9","6","6","1") = "8"
    & skf18("9","2","3","9","6","7","1") = "8"
    & skf18("9","2","3","9","6","8","1") = "8"
    & skf18("9","2","3","9","6","9","1") = "8"
    & skf18("9","2","3","9","6","10","1") = "9"
    & skf18("9","2","3","9","7","1","1") = "8"
    & skf18("9","2","3","9","7","2","1") = "8"
    & skf18("9","2","3","9","7","3","1") = "8"
    & skf18("9","2","3","9","7","4","1") = "8"
    & skf18("9","2","3","9","7","5","1") = "8"
    & skf18("9","2","3","9","7","6","1") = "8"
    & skf18("9","2","3","9","7","7","1") = "8"
    & skf18("9","2","3","9","7","8","1") = "8"
    & skf18("9","2","3","9","7","9","1") = "8"
    & skf18("9","2","3","9","7","10","1") = "9"
    & skf18("9","2","3","9","8","1","1") = "8"
    & skf18("9","2","3","9","8","2","1") = "8"
    & skf18("9","2","3","9","8","3","1") = "8"
    & skf18("9","2","3","9","8","4","1") = "8"
    & skf18("9","2","3","9","8","5","1") = "8"
    & skf18("9","2","3","9","8","6","1") = "8"
    & skf18("9","2","3","9","8","7","1") = "8"
    & skf18("9","2","3","9","8","8","1") = "8"
    & skf18("9","2","3","9","8","9","1") = "8"
    & skf18("9","2","3","9","8","10","1") = "9"
    & skf18("9","2","3","9","9","1","1") = "8"
    & skf18("9","2","3","9","9","2","1") = "8"
    & skf18("9","2","3","9","9","3","1") = "8"
    & skf18("9","2","3","9","9","4","1") = "8"
    & skf18("9","2","3","9","9","5","1") = "8"
    & skf18("9","2","3","9","9","6","1") = "8"
    & skf18("9","2","3","9","9","7","1") = "8"
    & skf18("9","2","3","9","9","8","1") = "8"
    & skf18("9","2","3","9","9","9","1") = "8"
    & skf18("9","2","3","9","9","10","1") = "9"
    & skf18("9","2","3","9","10","1","1") = "9"
    & skf18("9","2","3","9","10","2","1") = "9"
    & skf18("9","2","3","9","10","3","1") = "9"
    & skf18("9","2","3","9","10","4","1") = "9"
    & skf18("9","2","3","9","10","5","1") = "9"
    & skf18("9","2","3","9","10","6","1") = "9"
    & skf18("9","2","3","9","10","7","1") = "9"
    & skf18("9","2","3","9","10","8","1") = "9"
    & skf18("9","2","3","9","10","9","1") = "9"
    & skf18("9","2","3","9","10","10","1") = "9"
    & skf18("9","2","3","10","1","1","1") = "9"
    & skf18("9","2","3","10","1","2","1") = "9"
    & skf18("9","2","3","10","1","3","1") = "9"
    & skf18("9","2","3","10","1","4","1") = "9"
    & skf18("9","2","3","10","1","5","1") = "9"
    & skf18("9","2","3","10","1","6","1") = "9"
    & skf18("9","2","3","10","1","7","1") = "9"
    & skf18("9","2","3","10","1","8","1") = "9"
    & skf18("9","2","3","10","1","9","1") = "9"
    & skf18("9","2","3","10","1","10","1") = "9"
    & skf18("9","2","3","10","2","1","1") = "9"
    & skf18("9","2","3","10","2","2","1") = "9"
    & skf18("9","2","3","10","2","3","1") = "9"
    & skf18("9","2","3","10","2","4","1") = "9"
    & skf18("9","2","3","10","2","5","1") = "9"
    & skf18("9","2","3","10","2","6","1") = "9"
    & skf18("9","2","3","10","2","7","1") = "9"
    & skf18("9","2","3","10","2","8","1") = "9"
    & skf18("9","2","3","10","2","9","1") = "9"
    & skf18("9","2","3","10","2","10","1") = "9"
    & skf18("9","2","3","10","3","1","1") = "9"
    & skf18("9","2","3","10","3","2","1") = "9"
    & skf18("9","2","3","10","3","3","1") = "9"
    & skf18("9","2","3","10","3","4","1") = "9"
    & skf18("9","2","3","10","3","5","1") = "9"
    & skf18("9","2","3","10","3","6","1") = "9"
    & skf18("9","2","3","10","3","7","1") = "9"
    & skf18("9","2","3","10","3","8","1") = "9"
    & skf18("9","2","3","10","3","9","1") = "9"
    & skf18("9","2","3","10","3","10","1") = "9"
    & skf18("9","2","3","10","4","1","1") = "9"
    & skf18("9","2","3","10","4","2","1") = "9"
    & skf18("9","2","3","10","4","3","1") = "9"
    & skf18("9","2","3","10","4","4","1") = "9"
    & skf18("9","2","3","10","4","5","1") = "9"
    & skf18("9","2","3","10","4","6","1") = "9"
    & skf18("9","2","3","10","4","7","1") = "9"
    & skf18("9","2","3","10","4","8","1") = "9"
    & skf18("9","2","3","10","4","9","1") = "9"
    & skf18("9","2","3","10","4","10","1") = "9"
    & skf18("9","2","3","10","5","1","1") = "9"
    & skf18("9","2","3","10","5","2","1") = "9"
    & skf18("9","2","3","10","5","3","1") = "9"
    & skf18("9","2","3","10","5","4","1") = "9"
    & skf18("9","2","3","10","5","5","1") = "9"
    & skf18("9","2","3","10","5","6","1") = "9"
    & skf18("9","2","3","10","5","7","1") = "9"
    & skf18("9","2","3","10","5","8","1") = "9"
    & skf18("9","2","3","10","5","9","1") = "9"
    & skf18("9","2","3","10","5","10","1") = "9"
    & skf18("9","2","3","10","6","1","1") = "9"
    & skf18("9","2","3","10","6","2","1") = "9"
    & skf18("9","2","3","10","6","3","1") = "9"
    & skf18("9","2","3","10","6","4","1") = "9"
    & skf18("9","2","3","10","6","5","1") = "9"
    & skf18("9","2","3","10","6","6","1") = "9"
    & skf18("9","2","3","10","6","7","1") = "9"
    & skf18("9","2","3","10","6","8","1") = "9"
    & skf18("9","2","3","10","6","9","1") = "9"
    & skf18("9","2","3","10","6","10","1") = "9"
    & skf18("9","2","3","10","7","1","1") = "9"
    & skf18("9","2","3","10","7","2","1") = "9"
    & skf18("9","2","3","10","7","3","1") = "9"
    & skf18("9","2","3","10","7","4","1") = "9"
    & skf18("9","2","3","10","7","5","1") = "9"
    & skf18("9","2","3","10","7","6","1") = "9"
    & skf18("9","2","3","10","7","7","1") = "9"
    & skf18("9","2","3","10","7","8","1") = "9"
    & skf18("9","2","3","10","7","9","1") = "9"
    & skf18("9","2","3","10","7","10","1") = "9"
    & skf18("9","2","3","10","8","1","1") = "9"
    & skf18("9","2","3","10","8","2","1") = "9"
    & skf18("9","2","3","10","8","3","1") = "9"
    & skf18("9","2","3","10","8","4","1") = "9"
    & skf18("9","2","3","10","8","5","1") = "9"
    & skf18("9","2","3","10","8","6","1") = "9"
    & skf18("9","2","3","10","8","7","1") = "9"
    & skf18("9","2","3","10","8","8","1") = "9"
    & skf18("9","2","3","10","8","9","1") = "9"
    & skf18("9","2","3","10","8","10","1") = "9"
    & skf18("9","2","3","10","9","1","1") = "9"
    & skf18("9","2","3","10","9","2","1") = "9"
    & skf18("9","2","3","10","9","3","1") = "9"
    & skf18("9","2","3","10","9","4","1") = "9"
    & skf18("9","2","3","10","9","5","1") = "9"
    & skf18("9","2","3","10","9","6","1") = "9"
    & skf18("9","2","3","10","9","7","1") = "9"
    & skf18("9","2","3","10","9","8","1") = "9"
    & skf18("9","2","3","10","9","9","1") = "9"
    & skf18("9","2","3","10","9","10","1") = "9"
    & skf18("9","2","3","10","10","1","1") = "9"
    & skf18("9","2","3","10","10","2","1") = "9"
    & skf18("9","2","3","10","10","3","1") = "9"
    & skf18("9","2","3","10","10","4","1") = "9"
    & skf18("9","2","3","10","10","5","1") = "9"
    & skf18("9","2","3","10","10","6","1") = "9"
    & skf18("9","2","3","10","10","7","1") = "9"
    & skf18("9","2","3","10","10","8","1") = "9"
    & skf18("9","2","3","10","10","9","1") = "9"
    & skf18("9","2","3","10","10","10","1") = "9"
    & skf18("9","2","4","1","1","1","1") = "8"
    & skf18("9","2","4","1","1","2","1") = "8"
    & skf18("9","2","4","1","1","3","1") = "8"
    & skf18("9","2","4","1","1","4","1") = "8"
    & skf18("9","2","4","1","1","5","1") = "8"
    & skf18("9","2","4","1","1","6","1") = "8"
    & skf18("9","2","4","1","1","7","1") = "8"
    & skf18("9","2","4","1","1","8","1") = "8"
    & skf18("9","2","4","1","1","9","1") = "8"
    & skf18("9","2","4","1","1","10","1") = "9"
    & skf18("9","2","4","1","2","1","1") = "8"
    & skf18("9","2","4","1","2","2","1") = "8"
    & skf18("9","2","4","1","2","3","1") = "8"
    & skf18("9","2","4","1","2","4","1") = "8"
    & skf18("9","2","4","1","2","5","1") = "8"
    & skf18("9","2","4","1","2","6","1") = "8"
    & skf18("9","2","4","1","2","7","1") = "8"
    & skf18("9","2","4","1","2","8","1") = "8"
    & skf18("9","2","4","1","2","9","1") = "8"
    & skf18("9","2","4","1","2","10","1") = "9"
    & skf18("9","2","4","1","3","1","1") = "8"
    & skf18("9","2","4","1","3","2","1") = "8"
    & skf18("9","2","4","1","3","3","1") = "8"
    & skf18("9","2","4","1","3","4","1") = "8"
    & skf18("9","2","4","1","3","5","1") = "8"
    & skf18("9","2","4","1","3","6","1") = "8"
    & skf18("9","2","4","1","3","7","1") = "8"
    & skf18("9","2","4","1","3","8","1") = "8"
    & skf18("9","2","4","1","3","9","1") = "8"
    & skf18("9","2","4","1","3","10","1") = "9"
    & skf18("9","2","4","1","4","1","1") = "8"
    & skf18("9","2","4","1","4","2","1") = "8"
    & skf18("9","2","4","1","4","3","1") = "8"
    & skf18("9","2","4","1","4","4","1") = "8"
    & skf18("9","2","4","1","4","5","1") = "8"
    & skf18("9","2","4","1","4","6","1") = "8"
    & skf18("9","2","4","1","4","7","1") = "8"
    & skf18("9","2","4","1","4","8","1") = "8"
    & skf18("9","2","4","1","4","9","1") = "8"
    & skf18("9","2","4","1","4","10","1") = "9"
    & skf18("9","2","4","1","5","1","1") = "8"
    & skf18("9","2","4","1","5","2","1") = "8"
    & skf18("9","2","4","1","5","3","1") = "8"
    & skf18("9","2","4","1","5","4","1") = "8"
    & skf18("9","2","4","1","5","5","1") = "8"
    & skf18("9","2","4","1","5","6","1") = "8"
    & skf18("9","2","4","1","5","7","1") = "8"
    & skf18("9","2","4","1","5","8","1") = "8"
    & skf18("9","2","4","1","5","9","1") = "8"
    & skf18("9","2","4","1","5","10","1") = "9"
    & skf18("9","2","4","1","6","1","1") = "8"
    & skf18("9","2","4","1","6","2","1") = "8"
    & skf18("9","2","4","1","6","3","1") = "8"
    & skf18("9","2","4","1","6","4","1") = "8"
    & skf18("9","2","4","1","6","5","1") = "8"
    & skf18("9","2","4","1","6","6","1") = "8"
    & skf18("9","2","4","1","6","7","1") = "8"
    & skf18("9","2","4","1","6","8","1") = "8"
    & skf18("9","2","4","1","6","9","1") = "8"
    & skf18("9","2","4","1","6","10","1") = "9"
    & skf18("9","2","4","1","7","1","1") = "8"
    & skf18("9","2","4","1","7","2","1") = "8"
    & skf18("9","2","4","1","7","3","1") = "8"
    & skf18("9","2","4","1","7","4","1") = "8"
    & skf18("9","2","4","1","7","5","1") = "8"
    & skf18("9","2","4","1","7","6","1") = "8"
    & skf18("9","2","4","1","7","7","1") = "8"
    & skf18("9","2","4","1","7","8","1") = "8"
    & skf18("9","2","4","1","7","9","1") = "8"
    & skf18("9","2","4","1","7","10","1") = "9"
    & skf18("9","2","4","1","8","1","1") = "8"
    & skf18("9","2","4","1","8","2","1") = "8"
    & skf18("9","2","4","1","8","3","1") = "8"
    & skf18("9","2","4","1","8","4","1") = "8"
    & skf18("9","2","4","1","8","5","1") = "8"
    & skf18("9","2","4","1","8","6","1") = "8"
    & skf18("9","2","4","1","8","7","1") = "8"
    & skf18("9","2","4","1","8","8","1") = "8"
    & skf18("9","2","4","1","8","9","1") = "8"
    & skf18("9","2","4","1","8","10","1") = "9"
    & skf18("9","2","4","1","9","1","1") = "8"
    & skf18("9","2","4","1","9","2","1") = "8"
    & skf18("9","2","4","1","9","3","1") = "8"
    & skf18("9","2","4","1","9","4","1") = "8"
    & skf18("9","2","4","1","9","5","1") = "8"
    & skf18("9","2","4","1","9","6","1") = "8"
    & skf18("9","2","4","1","9","7","1") = "8"
    & skf18("9","2","4","1","9","8","1") = "8"
    & skf18("9","2","4","1","9","9","1") = "8"
    & skf18("9","2","4","1","9","10","1") = "9"
    & skf18("9","2","4","1","10","1","1") = "9"
    & skf18("9","2","4","1","10","2","1") = "9"
    & skf18("9","2","4","1","10","3","1") = "9"
    & skf18("9","2","4","1","10","4","1") = "9"
    & skf18("9","2","4","1","10","5","1") = "9"
    & skf18("9","2","4","1","10","6","1") = "9"
    & skf18("9","2","4","1","10","7","1") = "9"
    & skf18("9","2","4","1","10","8","1") = "9"
    & skf18("9","2","4","1","10","9","1") = "9"
    & skf18("9","2","4","1","10","10","1") = "9"
    & skf18("9","2","4","2","1","1","1") = "8"
    & skf18("9","2","4","2","1","2","1") = "8"
    & skf18("9","2","4","2","1","3","1") = "8"
    & skf18("9","2","4","2","1","4","1") = "8"
    & skf18("9","2","4","2","1","5","1") = "8"
    & skf18("9","2","4","2","1","6","1") = "8"
    & skf18("9","2","4","2","1","7","1") = "8"
    & skf18("9","2","4","2","1","8","1") = "8"
    & skf18("9","2","4","2","1","9","1") = "8"
    & skf18("9","2","4","2","1","10","1") = "9"
    & skf18("9","2","4","2","2","1","1") = "8"
    & skf18("9","2","4","2","2","2","1") = "8"
    & skf18("9","2","4","2","2","3","1") = "8"
    & skf18("9","2","4","2","2","4","1") = "8"
    & skf18("9","2","4","2","2","5","1") = "8"
    & skf18("9","2","4","2","2","6","1") = "8"
    & skf18("9","2","4","2","2","7","1") = "8"
    & skf18("9","2","4","2","2","8","1") = "8"
    & skf18("9","2","4","2","2","9","1") = "8"
    & skf18("9","2","4","2","2","10","1") = "9"
    & skf18("9","2","4","2","3","1","1") = "8"
    & skf18("9","2","4","2","3","2","1") = "8"
    & skf18("9","2","4","2","3","3","1") = "8"
    & skf18("9","2","4","2","3","4","1") = "8"
    & skf18("9","2","4","2","3","5","1") = "8"
    & skf18("9","2","4","2","3","6","1") = "8"
    & skf18("9","2","4","2","3","7","1") = "8"
    & skf18("9","2","4","2","3","8","1") = "8"
    & skf18("9","2","4","2","3","9","1") = "8"
    & skf18("9","2","4","2","3","10","1") = "9"
    & skf18("9","2","4","2","4","1","1") = "8"
    & skf18("9","2","4","2","4","2","1") = "8"
    & skf18("9","2","4","2","4","3","1") = "8"
    & skf18("9","2","4","2","4","4","1") = "8"
    & skf18("9","2","4","2","4","5","1") = "8"
    & skf18("9","2","4","2","4","6","1") = "8"
    & skf18("9","2","4","2","4","7","1") = "8"
    & skf18("9","2","4","2","4","8","1") = "8"
    & skf18("9","2","4","2","4","9","1") = "8"
    & skf18("9","2","4","2","4","10","1") = "9"
    & skf18("9","2","4","2","5","1","1") = "8"
    & skf18("9","2","4","2","5","2","1") = "8"
    & skf18("9","2","4","2","5","3","1") = "8"
    & skf18("9","2","4","2","5","4","1") = "8"
    & skf18("9","2","4","2","5","5","1") = "8"
    & skf18("9","2","4","2","5","6","1") = "8"
    & skf18("9","2","4","2","5","7","1") = "8"
    & skf18("9","2","4","2","5","8","1") = "8"
    & skf18("9","2","4","2","5","9","1") = "8"
    & skf18("9","2","4","2","5","10","1") = "9"
    & skf18("9","2","4","2","6","1","1") = "8"
    & skf18("9","2","4","2","6","2","1") = "8"
    & skf18("9","2","4","2","6","3","1") = "8"
    & skf18("9","2","4","2","6","4","1") = "8"
    & skf18("9","2","4","2","6","5","1") = "8"
    & skf18("9","2","4","2","6","6","1") = "8"
    & skf18("9","2","4","2","6","7","1") = "8"
    & skf18("9","2","4","2","6","8","1") = "8"
    & skf18("9","2","4","2","6","9","1") = "8"
    & skf18("9","2","4","2","6","10","1") = "9"
    & skf18("9","2","4","2","7","1","1") = "8"
    & skf18("9","2","4","2","7","2","1") = "8"
    & skf18("9","2","4","2","7","3","1") = "8"
    & skf18("9","2","4","2","7","4","1") = "8"
    & skf18("9","2","4","2","7","5","1") = "8"
    & skf18("9","2","4","2","7","6","1") = "8"
    & skf18("9","2","4","2","7","7","1") = "8"
    & skf18("9","2","4","2","7","8","1") = "8"
    & skf18("9","2","4","2","7","9","1") = "8"
    & skf18("9","2","4","2","7","10","1") = "9"
    & skf18("9","2","4","2","8","1","1") = "8"
    & skf18("9","2","4","2","8","2","1") = "8"
    & skf18("9","2","4","2","8","3","1") = "8"
    & skf18("9","2","4","2","8","4","1") = "8"
    & skf18("9","2","4","2","8","5","1") = "8"
    & skf18("9","2","4","2","8","6","1") = "8"
    & skf18("9","2","4","2","8","7","1") = "8"
    & skf18("9","2","4","2","8","8","1") = "8"
    & skf18("9","2","4","2","8","9","1") = "8"
    & skf18("9","2","4","2","8","10","1") = "9"
    & skf18("9","2","4","2","9","1","1") = "8"
    & skf18("9","2","4","2","9","2","1") = "8"
    & skf18("9","2","4","2","9","3","1") = "8"
    & skf18("9","2","4","2","9","4","1") = "8"
    & skf18("9","2","4","2","9","5","1") = "8"
    & skf18("9","2","4","2","9","6","1") = "8"
    & skf18("9","2","4","2","9","7","1") = "8"
    & skf18("9","2","4","2","9","8","1") = "8"
    & skf18("9","2","4","2","9","9","1") = "8"
    & skf18("9","2","4","2","9","10","1") = "9"
    & skf18("9","2","4","2","10","1","1") = "9"
    & skf18("9","2","4","2","10","2","1") = "9"
    & skf18("9","2","4","2","10","3","1") = "9"
    & skf18("9","2","4","2","10","4","1") = "9"
    & skf18("9","2","4","2","10","5","1") = "9"
    & skf18("9","2","4","2","10","6","1") = "9"
    & skf18("9","2","4","2","10","7","1") = "9"
    & skf18("9","2","4","2","10","8","1") = "9"
    & skf18("9","2","4","2","10","9","1") = "9"
    & skf18("9","2","4","2","10","10","1") = "9"
    & skf18("9","2","4","3","1","1","1") = "8"
    & skf18("9","2","4","3","1","2","1") = "8"
    & skf18("9","2","4","3","1","3","1") = "8"
    & skf18("9","2","4","3","1","4","1") = "8"
    & skf18("9","2","4","3","1","5","1") = "8"
    & skf18("9","2","4","3","1","6","1") = "8"
    & skf18("9","2","4","3","1","7","1") = "8"
    & skf18("9","2","4","3","1","8","1") = "8"
    & skf18("9","2","4","3","1","9","1") = "8"
    & skf18("9","2","4","3","1","10","1") = "9"
    & skf18("9","2","4","3","2","1","1") = "8"
    & skf18("9","2","4","3","2","2","1") = "8"
    & skf18("9","2","4","3","2","3","1") = "8"
    & skf18("9","2","4","3","2","4","1") = "8"
    & skf18("9","2","4","3","2","5","1") = "8"
    & skf18("9","2","4","3","2","6","1") = "8"
    & skf18("9","2","4","3","2","7","1") = "8"
    & skf18("9","2","4","3","2","8","1") = "8"
    & skf18("9","2","4","3","2","9","1") = "8"
    & skf18("9","2","4","3","2","10","1") = "9"
    & skf18("9","2","4","3","3","1","1") = "8"
    & skf18("9","2","4","3","3","2","1") = "8"
    & skf18("9","2","4","3","3","3","1") = "8"
    & skf18("9","2","4","3","3","4","1") = "8"
    & skf18("9","2","4","3","3","5","1") = "8"
    & skf18("9","2","4","3","3","6","1") = "8"
    & skf18("9","2","4","3","3","7","1") = "8"
    & skf18("9","2","4","3","3","8","1") = "8"
    & skf18("9","2","4","3","3","9","1") = "8"
    & skf18("9","2","4","3","3","10","1") = "9"
    & skf18("9","2","4","3","4","1","1") = "8"
    & skf18("9","2","4","3","4","2","1") = "8"
    & skf18("9","2","4","3","4","3","1") = "8"
    & skf18("9","2","4","3","4","4","1") = "8"
    & skf18("9","2","4","3","4","5","1") = "8"
    & skf18("9","2","4","3","4","6","1") = "8"
    & skf18("9","2","4","3","4","7","1") = "8"
    & skf18("9","2","4","3","4","8","1") = "8"
    & skf18("9","2","4","3","4","9","1") = "8"
    & skf18("9","2","4","3","4","10","1") = "9"
    & skf18("9","2","4","3","5","1","1") = "8"
    & skf18("9","2","4","3","5","2","1") = "8"
    & skf18("9","2","4","3","5","3","1") = "8"
    & skf18("9","2","4","3","5","4","1") = "8"
    & skf18("9","2","4","3","5","5","1") = "8"
    & skf18("9","2","4","3","5","6","1") = "8"
    & skf18("9","2","4","3","5","7","1") = "8"
    & skf18("9","2","4","3","5","8","1") = "8"
    & skf18("9","2","4","3","5","9","1") = "8"
    & skf18("9","2","4","3","5","10","1") = "9"
    & skf18("9","2","4","3","6","1","1") = "8"
    & skf18("9","2","4","3","6","2","1") = "8"
    & skf18("9","2","4","3","6","3","1") = "8"
    & skf18("9","2","4","3","6","4","1") = "8"
    & skf18("9","2","4","3","6","5","1") = "8"
    & skf18("9","2","4","3","6","6","1") = "8"
    & skf18("9","2","4","3","6","7","1") = "8"
    & skf18("9","2","4","3","6","8","1") = "8"
    & skf18("9","2","4","3","6","9","1") = "8"
    & skf18("9","2","4","3","6","10","1") = "9"
    & skf18("9","2","4","3","7","1","1") = "8"
    & skf18("9","2","4","3","7","2","1") = "8"
    & skf18("9","2","4","3","7","3","1") = "8"
    & skf18("9","2","4","3","7","4","1") = "8"
    & skf18("9","2","4","3","7","5","1") = "8"
    & skf18("9","2","4","3","7","6","1") = "8"
    & skf18("9","2","4","3","7","7","1") = "8"
    & skf18("9","2","4","3","7","8","1") = "8"
    & skf18("9","2","4","3","7","9","1") = "8"
    & skf18("9","2","4","3","7","10","1") = "9"
    & skf18("9","2","4","3","8","1","1") = "8"
    & skf18("9","2","4","3","8","2","1") = "8"
    & skf18("9","2","4","3","8","3","1") = "8"
    & skf18("9","2","4","3","8","4","1") = "8"
    & skf18("9","2","4","3","8","5","1") = "8"
    & skf18("9","2","4","3","8","6","1") = "8"
    & skf18("9","2","4","3","8","7","1") = "8"
    & skf18("9","2","4","3","8","8","1") = "8"
    & skf18("9","2","4","3","8","9","1") = "8"
    & skf18("9","2","4","3","8","10","1") = "9"
    & skf18("9","2","4","3","9","1","1") = "8"
    & skf18("9","2","4","3","9","2","1") = "8"
    & skf18("9","2","4","3","9","3","1") = "8"
    & skf18("9","2","4","3","9","4","1") = "8"
    & skf18("9","2","4","3","9","5","1") = "8"
    & skf18("9","2","4","3","9","6","1") = "8"
    & skf18("9","2","4","3","9","7","1") = "8"
    & skf18("9","2","4","3","9","8","1") = "8"
    & skf18("9","2","4","3","9","9","1") = "8"
    & skf18("9","2","4","3","9","10","1") = "9"
    & skf18("9","2","4","3","10","1","1") = "9"
    & skf18("9","2","4","3","10","2","1") = "9"
    & skf18("9","2","4","3","10","3","1") = "9"
    & skf18("9","2","4","3","10","4","1") = "9"
    & skf18("9","2","4","3","10","5","1") = "9"
    & skf18("9","2","4","3","10","6","1") = "9"
    & skf18("9","2","4","3","10","7","1") = "9"
    & skf18("9","2","4","3","10","8","1") = "9"
    & skf18("9","2","4","3","10","9","1") = "9"
    & skf18("9","2","4","3","10","10","1") = "9"
    & skf18("9","2","4","4","1","1","1") = "8"
    & skf18("9","2","4","4","1","2","1") = "8"
    & skf18("9","2","4","4","1","3","1") = "8"
    & skf18("9","2","4","4","1","4","1") = "8"
    & skf18("9","2","4","4","1","5","1") = "8"
    & skf18("9","2","4","4","1","6","1") = "8"
    & skf18("9","2","4","4","1","7","1") = "8"
    & skf18("9","2","4","4","1","8","1") = "8"
    & skf18("9","2","4","4","1","9","1") = "8"
    & skf18("9","2","4","4","1","10","1") = "9"
    & skf18("9","2","4","4","2","1","1") = "8"
    & skf18("9","2","4","4","2","2","1") = "8"
    & skf18("9","2","4","4","2","3","1") = "8"
    & skf18("9","2","4","4","2","4","1") = "8"
    & skf18("9","2","4","4","2","5","1") = "8"
    & skf18("9","2","4","4","2","6","1") = "8"
    & skf18("9","2","4","4","2","7","1") = "8"
    & skf18("9","2","4","4","2","8","1") = "8"
    & skf18("9","2","4","4","2","9","1") = "8"
    & skf18("9","2","4","4","2","10","1") = "9"
    & skf18("9","2","4","4","3","1","1") = "8"
    & skf18("9","2","4","4","3","2","1") = "8"
    & skf18("9","2","4","4","3","3","1") = "8"
    & skf18("9","2","4","4","3","4","1") = "8"
    & skf18("9","2","4","4","3","5","1") = "8"
    & skf18("9","2","4","4","3","6","1") = "8"
    & skf18("9","2","4","4","3","7","1") = "8"
    & skf18("9","2","4","4","3","8","1") = "8"
    & skf18("9","2","4","4","3","9","1") = "8"
    & skf18("9","2","4","4","3","10","1") = "9"
    & skf18("9","2","4","4","4","1","1") = "8"
    & skf18("9","2","4","4","4","2","1") = "8"
    & skf18("9","2","4","4","4","3","1") = "8"
    & skf18("9","2","4","4","4","4","1") = "8"
    & skf18("9","2","4","4","4","5","1") = "8"
    & skf18("9","2","4","4","4","6","1") = "8"
    & skf18("9","2","4","4","4","7","1") = "8"
    & skf18("9","2","4","4","4","8","1") = "8"
    & skf18("9","2","4","4","4","9","1") = "8"
    & skf18("9","2","4","4","4","10","1") = "9"
    & skf18("9","2","4","4","5","1","1") = "8"
    & skf18("9","2","4","4","5","2","1") = "8"
    & skf18("9","2","4","4","5","3","1") = "8"
    & skf18("9","2","4","4","5","4","1") = "8"
    & skf18("9","2","4","4","5","5","1") = "8"
    & skf18("9","2","4","4","5","6","1") = "8"
    & skf18("9","2","4","4","5","7","1") = "8"
    & skf18("9","2","4","4","5","8","1") = "8"
    & skf18("9","2","4","4","5","9","1") = "8"
    & skf18("9","2","4","4","5","10","1") = "9"
    & skf18("9","2","4","4","6","1","1") = "8"
    & skf18("9","2","4","4","6","2","1") = "8"
    & skf18("9","2","4","4","6","3","1") = "8"
    & skf18("9","2","4","4","6","4","1") = "8"
    & skf18("9","2","4","4","6","5","1") = "8"
    & skf18("9","2","4","4","6","6","1") = "8"
    & skf18("9","2","4","4","6","7","1") = "8"
    & skf18("9","2","4","4","6","8","1") = "8"
    & skf18("9","2","4","4","6","9","1") = "8"
    & skf18("9","2","4","4","6","10","1") = "9"
    & skf18("9","2","4","4","7","1","1") = "8"
    & skf18("9","2","4","4","7","2","1") = "8"
    & skf18("9","2","4","4","7","3","1") = "8"
    & skf18("9","2","4","4","7","4","1") = "8"
    & skf18("9","2","4","4","7","5","1") = "8"
    & skf18("9","2","4","4","7","6","1") = "8"
    & skf18("9","2","4","4","7","7","1") = "8"
    & skf18("9","2","4","4","7","8","1") = "8"
    & skf18("9","2","4","4","7","9","1") = "8"
    & skf18("9","2","4","4","7","10","1") = "9"
    & skf18("9","2","4","4","8","1","1") = "8"
    & skf18("9","2","4","4","8","2","1") = "8"
    & skf18("9","2","4","4","8","3","1") = "8"
    & skf18("9","2","4","4","8","4","1") = "8"
    & skf18("9","2","4","4","8","5","1") = "8"
    & skf18("9","2","4","4","8","6","1") = "8"
    & skf18("9","2","4","4","8","7","1") = "8"
    & skf18("9","2","4","4","8","8","1") = "8"
    & skf18("9","2","4","4","8","9","1") = "8"
    & skf18("9","2","4","4","8","10","1") = "9"
    & skf18("9","2","4","4","9","1","1") = "8"
    & skf18("9","2","4","4","9","2","1") = "8"
    & skf18("9","2","4","4","9","3","1") = "8"
    & skf18("9","2","4","4","9","4","1") = "8"
    & skf18("9","2","4","4","9","5","1") = "8"
    & skf18("9","2","4","4","9","6","1") = "8"
    & skf18("9","2","4","4","9","7","1") = "8"
    & skf18("9","2","4","4","9","8","1") = "8"
    & skf18("9","2","4","4","9","9","1") = "8"
    & skf18("9","2","4","4","9","10","1") = "9"
    & skf18("9","2","4","4","10","1","1") = "9"
    & skf18("9","2","4","4","10","2","1") = "9"
    & skf18("9","2","4","4","10","3","1") = "9"
    & skf18("9","2","4","4","10","4","1") = "9"
    & skf18("9","2","4","4","10","5","1") = "9"
    & skf18("9","2","4","4","10","6","1") = "9"
    & skf18("9","2","4","4","10","7","1") = "9"
    & skf18("9","2","4","4","10","8","1") = "9"
    & skf18("9","2","4","4","10","9","1") = "9"
    & skf18("9","2","4","4","10","10","1") = "9"
    & skf18("9","2","4","5","1","1","1") = "8"
    & skf18("9","2","4","5","1","2","1") = "8"
    & skf18("9","2","4","5","1","3","1") = "8"
    & skf18("9","2","4","5","1","4","1") = "8"
    & skf18("9","2","4","5","1","5","1") = "8"
    & skf18("9","2","4","5","1","6","1") = "8"
    & skf18("9","2","4","5","1","7","1") = "8"
    & skf18("9","2","4","5","1","8","1") = "8"
    & skf18("9","2","4","5","1","9","1") = "8"
    & skf18("9","2","4","5","1","10","1") = "9"
    & skf18("9","2","4","5","2","1","1") = "8"
    & skf18("9","2","4","5","2","2","1") = "8"
    & skf18("9","2","4","5","2","3","1") = "8"
    & skf18("9","2","4","5","2","4","1") = "8"
    & skf18("9","2","4","5","2","5","1") = "8"
    & skf18("9","2","4","5","2","6","1") = "8"
    & skf18("9","2","4","5","2","7","1") = "8"
    & skf18("9","2","4","5","2","8","1") = "8"
    & skf18("9","2","4","5","2","9","1") = "8"
    & skf18("9","2","4","5","2","10","1") = "9"
    & skf18("9","2","4","5","3","1","1") = "8"
    & skf18("9","2","4","5","3","2","1") = "8"
    & skf18("9","2","4","5","3","3","1") = "8"
    & skf18("9","2","4","5","3","4","1") = "8"
    & skf18("9","2","4","5","3","5","1") = "8"
    & skf18("9","2","4","5","3","6","1") = "8"
    & skf18("9","2","4","5","3","7","1") = "8"
    & skf18("9","2","4","5","3","8","1") = "8"
    & skf18("9","2","4","5","3","9","1") = "8"
    & skf18("9","2","4","5","3","10","1") = "9"
    & skf18("9","2","4","5","4","1","1") = "8"
    & skf18("9","2","4","5","4","2","1") = "8"
    & skf18("9","2","4","5","4","3","1") = "8"
    & skf18("9","2","4","5","4","4","1") = "8"
    & skf18("9","2","4","5","4","5","1") = "8"
    & skf18("9","2","4","5","4","6","1") = "8"
    & skf18("9","2","4","5","4","7","1") = "8"
    & skf18("9","2","4","5","4","8","1") = "8"
    & skf18("9","2","4","5","4","9","1") = "8"
    & skf18("9","2","4","5","4","10","1") = "9"
    & skf18("9","2","4","5","5","1","1") = "8"
    & skf18("9","2","4","5","5","2","1") = "8"
    & skf18("9","2","4","5","5","3","1") = "8"
    & skf18("9","2","4","5","5","4","1") = "8"
    & skf18("9","2","4","5","5","5","1") = "8"
    & skf18("9","2","4","5","5","6","1") = "8"
    & skf18("9","2","4","5","5","7","1") = "8"
    & skf18("9","2","4","5","5","8","1") = "8"
    & skf18("9","2","4","5","5","9","1") = "8"
    & skf18("9","2","4","5","5","10","1") = "9"
    & skf18("9","2","4","5","6","1","1") = "8"
    & skf18("9","2","4","5","6","2","1") = "8"
    & skf18("9","2","4","5","6","3","1") = "8"
    & skf18("9","2","4","5","6","4","1") = "8"
    & skf18("9","2","4","5","6","5","1") = "8"
    & skf18("9","2","4","5","6","6","1") = "8"
    & skf18("9","2","4","5","6","7","1") = "8"
    & skf18("9","2","4","5","6","8","1") = "8"
    & skf18("9","2","4","5","6","9","1") = "8"
    & skf18("9","2","4","5","6","10","1") = "9"
    & skf18("9","2","4","5","7","1","1") = "8"
    & skf18("9","2","4","5","7","2","1") = "8"
    & skf18("9","2","4","5","7","3","1") = "8"
    & skf18("9","2","4","5","7","4","1") = "8"
    & skf18("9","2","4","5","7","5","1") = "8"
    & skf18("9","2","4","5","7","6","1") = "8"
    & skf18("9","2","4","5","7","7","1") = "8"
    & skf18("9","2","4","5","7","8","1") = "8"
    & skf18("9","2","4","5","7","9","1") = "8"
    & skf18("9","2","4","5","7","10","1") = "9"
    & skf18("9","2","4","5","8","1","1") = "8"
    & skf18("9","2","4","5","8","2","1") = "8"
    & skf18("9","2","4","5","8","3","1") = "8"
    & skf18("9","2","4","5","8","4","1") = "8"
    & skf18("9","2","4","5","8","5","1") = "8"
    & skf18("9","2","4","5","8","6","1") = "8"
    & skf18("9","2","4","5","8","7","1") = "8"
    & skf18("9","2","4","5","8","8","1") = "8"
    & skf18("9","2","4","5","8","9","1") = "8"
    & skf18("9","2","4","5","8","10","1") = "9"
    & skf18("9","2","4","5","9","1","1") = "8"
    & skf18("9","2","4","5","9","2","1") = "8"
    & skf18("9","2","4","5","9","3","1") = "8"
    & skf18("9","2","4","5","9","4","1") = "8"
    & skf18("9","2","4","5","9","5","1") = "8"
    & skf18("9","2","4","5","9","6","1") = "8"
    & skf18("9","2","4","5","9","7","1") = "8"
    & skf18("9","2","4","5","9","8","1") = "8"
    & skf18("9","2","4","5","9","9","1") = "8"
    & skf18("9","2","4","5","9","10","1") = "9"
    & skf18("9","2","4","5","10","1","1") = "9"
    & skf18("9","2","4","5","10","2","1") = "9"
    & skf18("9","2","4","5","10","3","1") = "9"
    & skf18("9","2","4","5","10","4","1") = "9"
    & skf18("9","2","4","5","10","5","1") = "9"
    & skf18("9","2","4","5","10","6","1") = "9"
    & skf18("9","2","4","5","10","7","1") = "9"
    & skf18("9","2","4","5","10","8","1") = "9"
    & skf18("9","2","4","5","10","9","1") = "9"
    & skf18("9","2","4","5","10","10","1") = "9"
    & skf18("9","2","4","6","1","1","1") = "8"
    & skf18("9","2","4","6","1","2","1") = "8"
    & skf18("9","2","4","6","1","3","1") = "8"
    & skf18("9","2","4","6","1","4","1") = "8"
    & skf18("9","2","4","6","1","5","1") = "8"
    & skf18("9","2","4","6","1","6","1") = "8"
    & skf18("9","2","4","6","1","7","1") = "8"
    & skf18("9","2","4","6","1","8","1") = "8"
    & skf18("9","2","4","6","1","9","1") = "8"
    & skf18("9","2","4","6","1","10","1") = "9"
    & skf18("9","2","4","6","2","1","1") = "8"
    & skf18("9","2","4","6","2","2","1") = "8"
    & skf18("9","2","4","6","2","3","1") = "8"
    & skf18("9","2","4","6","2","4","1") = "8"
    & skf18("9","2","4","6","2","5","1") = "8"
    & skf18("9","2","4","6","2","6","1") = "8"
    & skf18("9","2","4","6","2","7","1") = "8"
    & skf18("9","2","4","6","2","8","1") = "8"
    & skf18("9","2","4","6","2","9","1") = "8"
    & skf18("9","2","4","6","2","10","1") = "9"
    & skf18("9","2","4","6","3","1","1") = "8"
    & skf18("9","2","4","6","3","2","1") = "8"
    & skf18("9","2","4","6","3","3","1") = "8"
    & skf18("9","2","4","6","3","4","1") = "8"
    & skf18("9","2","4","6","3","5","1") = "8"
    & skf18("9","2","4","6","3","6","1") = "8"
    & skf18("9","2","4","6","3","7","1") = "8"
    & skf18("9","2","4","6","3","8","1") = "8"
    & skf18("9","2","4","6","3","9","1") = "8"
    & skf18("9","2","4","6","3","10","1") = "9"
    & skf18("9","2","4","6","4","1","1") = "8"
    & skf18("9","2","4","6","4","2","1") = "8"
    & skf18("9","2","4","6","4","3","1") = "8"
    & skf18("9","2","4","6","4","4","1") = "8"
    & skf18("9","2","4","6","4","5","1") = "8"
    & skf18("9","2","4","6","4","6","1") = "8"
    & skf18("9","2","4","6","4","7","1") = "8"
    & skf18("9","2","4","6","4","8","1") = "8"
    & skf18("9","2","4","6","4","9","1") = "8"
    & skf18("9","2","4","6","4","10","1") = "9"
    & skf18("9","2","4","6","5","1","1") = "8"
    & skf18("9","2","4","6","5","2","1") = "8"
    & skf18("9","2","4","6","5","3","1") = "8"
    & skf18("9","2","4","6","5","4","1") = "8"
    & skf18("9","2","4","6","5","5","1") = "8"
    & skf18("9","2","4","6","5","6","1") = "8"
    & skf18("9","2","4","6","5","7","1") = "8"
    & skf18("9","2","4","6","5","8","1") = "8"
    & skf18("9","2","4","6","5","9","1") = "8"
    & skf18("9","2","4","6","5","10","1") = "9"
    & skf18("9","2","4","6","6","1","1") = "8"
    & skf18("9","2","4","6","6","2","1") = "8"
    & skf18("9","2","4","6","6","3","1") = "8"
    & skf18("9","2","4","6","6","4","1") = "8"
    & skf18("9","2","4","6","6","5","1") = "8"
    & skf18("9","2","4","6","6","6","1") = "8"
    & skf18("9","2","4","6","6","7","1") = "8"
    & skf18("9","2","4","6","6","8","1") = "8"
    & skf18("9","2","4","6","6","9","1") = "8"
    & skf18("9","2","4","6","6","10","1") = "9"
    & skf18("9","2","4","6","7","1","1") = "8"
    & skf18("9","2","4","6","7","2","1") = "8"
    & skf18("9","2","4","6","7","3","1") = "8"
    & skf18("9","2","4","6","7","4","1") = "8"
    & skf18("9","2","4","6","7","5","1") = "8"
    & skf18("9","2","4","6","7","6","1") = "8"
    & skf18("9","2","4","6","7","7","1") = "8"
    & skf18("9","2","4","6","7","8","1") = "8"
    & skf18("9","2","4","6","7","9","1") = "8"
    & skf18("9","2","4","6","7","10","1") = "9"
    & skf18("9","2","4","6","8","1","1") = "8"
    & skf18("9","2","4","6","8","2","1") = "8"
    & skf18("9","2","4","6","8","3","1") = "8"
    & skf18("9","2","4","6","8","4","1") = "8"
    & skf18("9","2","4","6","8","5","1") = "8"
    & skf18("9","2","4","6","8","6","1") = "8"
    & skf18("9","2","4","6","8","7","1") = "8"
    & skf18("9","2","4","6","8","8","1") = "8"
    & skf18("9","2","4","6","8","9","1") = "8"
    & skf18("9","2","4","6","8","10","1") = "9"
    & skf18("9","2","4","6","9","1","1") = "8"
    & skf18("9","2","4","6","9","2","1") = "8"
    & skf18("9","2","4","6","9","3","1") = "8"
    & skf18("9","2","4","6","9","4","1") = "8"
    & skf18("9","2","4","6","9","5","1") = "8"
    & skf18("9","2","4","6","9","6","1") = "8"
    & skf18("9","2","4","6","9","7","1") = "8"
    & skf18("9","2","4","6","9","8","1") = "8"
    & skf18("9","2","4","6","9","9","1") = "8"
    & skf18("9","2","4","6","9","10","1") = "9"
    & skf18("9","2","4","6","10","1","1") = "9"
    & skf18("9","2","4","6","10","2","1") = "9"
    & skf18("9","2","4","6","10","3","1") = "9"
    & skf18("9","2","4","6","10","4","1") = "9"
    & skf18("9","2","4","6","10","5","1") = "9"
    & skf18("9","2","4","6","10","6","1") = "9"
    & skf18("9","2","4","6","10","7","1") = "9"
    & skf18("9","2","4","6","10","8","1") = "9"
    & skf18("9","2","4","6","10","9","1") = "9"
    & skf18("9","2","4","6","10","10","1") = "9"
    & skf18("9","2","4","7","1","1","1") = "8"
    & skf18("9","2","4","7","1","2","1") = "8"
    & skf18("9","2","4","7","1","3","1") = "8"
    & skf18("9","2","4","7","1","4","1") = "8"
    & skf18("9","2","4","7","1","5","1") = "8"
    & skf18("9","2","4","7","1","6","1") = "8"
    & skf18("9","2","4","7","1","7","1") = "8"
    & skf18("9","2","4","7","1","8","1") = "8"
    & skf18("9","2","4","7","1","9","1") = "8"
    & skf18("9","2","4","7","1","10","1") = "9"
    & skf18("9","2","4","7","2","1","1") = "8"
    & skf18("9","2","4","7","2","2","1") = "8"
    & skf18("9","2","4","7","2","3","1") = "8"
    & skf18("9","2","4","7","2","4","1") = "8"
    & skf18("9","2","4","7","2","5","1") = "8"
    & skf18("9","2","4","7","2","6","1") = "8"
    & skf18("9","2","4","7","2","7","1") = "8"
    & skf18("9","2","4","7","2","8","1") = "8"
    & skf18("9","2","4","7","2","9","1") = "8"
    & skf18("9","2","4","7","2","10","1") = "9"
    & skf18("9","2","4","7","3","1","1") = "8"
    & skf18("9","2","4","7","3","2","1") = "8"
    & skf18("9","2","4","7","3","3","1") = "8"
    & skf18("9","2","4","7","3","4","1") = "8"
    & skf18("9","2","4","7","3","5","1") = "8"
    & skf18("9","2","4","7","3","6","1") = "8"
    & skf18("9","2","4","7","3","7","1") = "8"
    & skf18("9","2","4","7","3","8","1") = "8"
    & skf18("9","2","4","7","3","9","1") = "8"
    & skf18("9","2","4","7","3","10","1") = "9"
    & skf18("9","2","4","7","4","1","1") = "8"
    & skf18("9","2","4","7","4","2","1") = "8"
    & skf18("9","2","4","7","4","3","1") = "8"
    & skf18("9","2","4","7","4","4","1") = "8"
    & skf18("9","2","4","7","4","5","1") = "8"
    & skf18("9","2","4","7","4","6","1") = "8"
    & skf18("9","2","4","7","4","7","1") = "8"
    & skf18("9","2","4","7","4","8","1") = "8"
    & skf18("9","2","4","7","4","9","1") = "8"
    & skf18("9","2","4","7","4","10","1") = "9"
    & skf18("9","2","4","7","5","1","1") = "8"
    & skf18("9","2","4","7","5","2","1") = "8"
    & skf18("9","2","4","7","5","3","1") = "8"
    & skf18("9","2","4","7","5","4","1") = "8"
    & skf18("9","2","4","7","5","5","1") = "8"
    & skf18("9","2","4","7","5","6","1") = "8"
    & skf18("9","2","4","7","5","7","1") = "8"
    & skf18("9","2","4","7","5","8","1") = "8"
    & skf18("9","2","4","7","5","9","1") = "8"
    & skf18("9","2","4","7","5","10","1") = "9"
    & skf18("9","2","4","7","6","1","1") = "8"
    & skf18("9","2","4","7","6","2","1") = "8"
    & skf18("9","2","4","7","6","3","1") = "8"
    & skf18("9","2","4","7","6","4","1") = "8"
    & skf18("9","2","4","7","6","5","1") = "8"
    & skf18("9","2","4","7","6","6","1") = "8"
    & skf18("9","2","4","7","6","7","1") = "8"
    & skf18("9","2","4","7","6","8","1") = "8"
    & skf18("9","2","4","7","6","9","1") = "8"
    & skf18("9","2","4","7","6","10","1") = "9"
    & skf18("9","2","4","7","7","1","1") = "8"
    & skf18("9","2","4","7","7","2","1") = "8"
    & skf18("9","2","4","7","7","3","1") = "8"
    & skf18("9","2","4","7","7","4","1") = "8"
    & skf18("9","2","4","7","7","5","1") = "8"
    & skf18("9","2","4","7","7","6","1") = "8"
    & skf18("9","2","4","7","7","7","1") = "8"
    & skf18("9","2","4","7","7","8","1") = "8"
    & skf18("9","2","4","7","7","9","1") = "8"
    & skf18("9","2","4","7","7","10","1") = "9"
    & skf18("9","2","4","7","8","1","1") = "8"
    & skf18("9","2","4","7","8","2","1") = "8"
    & skf18("9","2","4","7","8","3","1") = "8"
    & skf18("9","2","4","7","8","4","1") = "8"
    & skf18("9","2","4","7","8","5","1") = "8"
    & skf18("9","2","4","7","8","6","1") = "8"
    & skf18("9","2","4","7","8","7","1") = "8"
    & skf18("9","2","4","7","8","8","1") = "8"
    & skf18("9","2","4","7","8","9","1") = "8"
    & skf18("9","2","4","7","8","10","1") = "9"
    & skf18("9","2","4","7","9","1","1") = "8"
    & skf18("9","2","4","7","9","2","1") = "8"
    & skf18("9","2","4","7","9","3","1") = "8"
    & skf18("9","2","4","7","9","4","1") = "8"
    & skf18("9","2","4","7","9","5","1") = "8"
    & skf18("9","2","4","7","9","6","1") = "8"
    & skf18("9","2","4","7","9","7","1") = "8"
    & skf18("9","2","4","7","9","8","1") = "8"
    & skf18("9","2","4","7","9","9","1") = "8"
    & skf18("9","2","4","7","9","10","1") = "9"
    & skf18("9","2","4","7","10","1","1") = "9"
    & skf18("9","2","4","7","10","2","1") = "9"
    & skf18("9","2","4","7","10","3","1") = "9"
    & skf18("9","2","4","7","10","4","1") = "9"
    & skf18("9","2","4","7","10","5","1") = "9"
    & skf18("9","2","4","7","10","6","1") = "9"
    & skf18("9","2","4","7","10","7","1") = "9"
    & skf18("9","2","4","7","10","8","1") = "9"
    & skf18("9","2","4","7","10","9","1") = "9"
    & skf18("9","2","4","7","10","10","1") = "9"
    & skf18("9","2","4","8","1","1","1") = "8"
    & skf18("9","2","4","8","1","2","1") = "8"
    & skf18("9","2","4","8","1","3","1") = "8"
    & skf18("9","2","4","8","1","4","1") = "8"
    & skf18("9","2","4","8","1","5","1") = "8"
    & skf18("9","2","4","8","1","6","1") = "8"
    & skf18("9","2","4","8","1","7","1") = "8"
    & skf18("9","2","4","8","1","8","1") = "8"
    & skf18("9","2","4","8","1","9","1") = "8"
    & skf18("9","2","4","8","1","10","1") = "9"
    & skf18("9","2","4","8","2","1","1") = "8"
    & skf18("9","2","4","8","2","2","1") = "8"
    & skf18("9","2","4","8","2","3","1") = "8"
    & skf18("9","2","4","8","2","4","1") = "8"
    & skf18("9","2","4","8","2","5","1") = "8"
    & skf18("9","2","4","8","2","6","1") = "8"
    & skf18("9","2","4","8","2","7","1") = "8"
    & skf18("9","2","4","8","2","8","1") = "8"
    & skf18("9","2","4","8","2","9","1") = "8"
    & skf18("9","2","4","8","2","10","1") = "9"
    & skf18("9","2","4","8","3","1","1") = "8"
    & skf18("9","2","4","8","3","2","1") = "8"
    & skf18("9","2","4","8","3","3","1") = "8"
    & skf18("9","2","4","8","3","4","1") = "8"
    & skf18("9","2","4","8","3","5","1") = "8"
    & skf18("9","2","4","8","3","6","1") = "8"
    & skf18("9","2","4","8","3","7","1") = "8"
    & skf18("9","2","4","8","3","8","1") = "8"
    & skf18("9","2","4","8","3","9","1") = "8"
    & skf18("9","2","4","8","3","10","1") = "9"
    & skf18("9","2","4","8","4","1","1") = "8"
    & skf18("9","2","4","8","4","2","1") = "8"
    & skf18("9","2","4","8","4","3","1") = "8"
    & skf18("9","2","4","8","4","4","1") = "8"
    & skf18("9","2","4","8","4","5","1") = "8"
    & skf18("9","2","4","8","4","6","1") = "8"
    & skf18("9","2","4","8","4","7","1") = "8"
    & skf18("9","2","4","8","4","8","1") = "8"
    & skf18("9","2","4","8","4","9","1") = "8"
    & skf18("9","2","4","8","4","10","1") = "9"
    & skf18("9","2","4","8","5","1","1") = "8"
    & skf18("9","2","4","8","5","2","1") = "8"
    & skf18("9","2","4","8","5","3","1") = "8"
    & skf18("9","2","4","8","5","4","1") = "8"
    & skf18("9","2","4","8","5","5","1") = "8"
    & skf18("9","2","4","8","5","6","1") = "8"
    & skf18("9","2","4","8","5","7","1") = "8"
    & skf18("9","2","4","8","5","8","1") = "8"
    & skf18("9","2","4","8","5","9","1") = "8"
    & skf18("9","2","4","8","5","10","1") = "9"
    & skf18("9","2","4","8","6","1","1") = "8"
    & skf18("9","2","4","8","6","2","1") = "8"
    & skf18("9","2","4","8","6","3","1") = "8"
    & skf18("9","2","4","8","6","4","1") = "8"
    & skf18("9","2","4","8","6","5","1") = "8"
    & skf18("9","2","4","8","6","6","1") = "8"
    & skf18("9","2","4","8","6","7","1") = "8"
    & skf18("9","2","4","8","6","8","1") = "8"
    & skf18("9","2","4","8","6","9","1") = "8"
    & skf18("9","2","4","8","6","10","1") = "9"
    & skf18("9","2","4","8","7","1","1") = "8"
    & skf18("9","2","4","8","7","2","1") = "8"
    & skf18("9","2","4","8","7","3","1") = "8"
    & skf18("9","2","4","8","7","4","1") = "8"
    & skf18("9","2","4","8","7","5","1") = "8"
    & skf18("9","2","4","8","7","6","1") = "8"
    & skf18("9","2","4","8","7","7","1") = "8"
    & skf18("9","2","4","8","7","8","1") = "8"
    & skf18("9","2","4","8","7","9","1") = "8"
    & skf18("9","2","4","8","7","10","1") = "9"
    & skf18("9","2","4","8","8","1","1") = "8"
    & skf18("9","2","4","8","8","2","1") = "8"
    & skf18("9","2","4","8","8","3","1") = "8"
    & skf18("9","2","4","8","8","4","1") = "8"
    & skf18("9","2","4","8","8","5","1") = "8"
    & skf18("9","2","4","8","8","6","1") = "8"
    & skf18("9","2","4","8","8","7","1") = "8"
    & skf18("9","2","4","8","8","8","1") = "8"
    & skf18("9","2","4","8","8","9","1") = "8"
    & skf18("9","2","4","8","8","10","1") = "9"
    & skf18("9","2","4","8","9","1","1") = "8"
    & skf18("9","2","4","8","9","2","1") = "8"
    & skf18("9","2","4","8","9","3","1") = "8"
    & skf18("9","2","4","8","9","4","1") = "8"
    & skf18("9","2","4","8","9","5","1") = "8"
    & skf18("9","2","4","8","9","6","1") = "8"
    & skf18("9","2","4","8","9","7","1") = "8"
    & skf18("9","2","4","8","9","8","1") = "8"
    & skf18("9","2","4","8","9","9","1") = "8"
    & skf18("9","2","4","8","9","10","1") = "9"
    & skf18("9","2","4","8","10","1","1") = "9"
    & skf18("9","2","4","8","10","2","1") = "9"
    & skf18("9","2","4","8","10","3","1") = "9"
    & skf18("9","2","4","8","10","4","1") = "9"
    & skf18("9","2","4","8","10","5","1") = "9"
    & skf18("9","2","4","8","10","6","1") = "9"
    & skf18("9","2","4","8","10","7","1") = "9"
    & skf18("9","2","4","8","10","8","1") = "9"
    & skf18("9","2","4","8","10","9","1") = "9"
    & skf18("9","2","4","8","10","10","1") = "9"
    & skf18("9","2","4","9","1","1","1") = "8"
    & skf18("9","2","4","9","1","2","1") = "8"
    & skf18("9","2","4","9","1","3","1") = "8"
    & skf18("9","2","4","9","1","4","1") = "8"
    & skf18("9","2","4","9","1","5","1") = "8"
    & skf18("9","2","4","9","1","6","1") = "8"
    & skf18("9","2","4","9","1","7","1") = "8"
    & skf18("9","2","4","9","1","8","1") = "8"
    & skf18("9","2","4","9","1","9","1") = "8"
    & skf18("9","2","4","9","1","10","1") = "9"
    & skf18("9","2","4","9","2","1","1") = "8"
    & skf18("9","2","4","9","2","2","1") = "8"
    & skf18("9","2","4","9","2","3","1") = "8"
    & skf18("9","2","4","9","2","4","1") = "8"
    & skf18("9","2","4","9","2","5","1") = "8"
    & skf18("9","2","4","9","2","6","1") = "8"
    & skf18("9","2","4","9","2","7","1") = "8"
    & skf18("9","2","4","9","2","8","1") = "8"
    & skf18("9","2","4","9","2","9","1") = "8"
    & skf18("9","2","4","9","2","10","1") = "9"
    & skf18("9","2","4","9","3","1","1") = "8"
    & skf18("9","2","4","9","3","2","1") = "8"
    & skf18("9","2","4","9","3","3","1") = "8"
    & skf18("9","2","4","9","3","4","1") = "8"
    & skf18("9","2","4","9","3","5","1") = "8"
    & skf18("9","2","4","9","3","6","1") = "8"
    & skf18("9","2","4","9","3","7","1") = "8"
    & skf18("9","2","4","9","3","8","1") = "8"
    & skf18("9","2","4","9","3","9","1") = "8"
    & skf18("9","2","4","9","3","10","1") = "9"
    & skf18("9","2","4","9","4","1","1") = "8"
    & skf18("9","2","4","9","4","2","1") = "8"
    & skf18("9","2","4","9","4","3","1") = "8"
    & skf18("9","2","4","9","4","4","1") = "8"
    & skf18("9","2","4","9","4","5","1") = "8"
    & skf18("9","2","4","9","4","6","1") = "8"
    & skf18("9","2","4","9","4","7","1") = "8"
    & skf18("9","2","4","9","4","8","1") = "8"
    & skf18("9","2","4","9","4","9","1") = "8"
    & skf18("9","2","4","9","4","10","1") = "9"
    & skf18("9","2","4","9","5","1","1") = "8"
    & skf18("9","2","4","9","5","2","1") = "8"
    & skf18("9","2","4","9","5","3","1") = "8"
    & skf18("9","2","4","9","5","4","1") = "8"
    & skf18("9","2","4","9","5","5","1") = "8"
    & skf18("9","2","4","9","5","6","1") = "8"
    & skf18("9","2","4","9","5","7","1") = "8"
    & skf18("9","2","4","9","5","8","1") = "8"
    & skf18("9","2","4","9","5","9","1") = "8"
    & skf18("9","2","4","9","5","10","1") = "9"
    & skf18("9","2","4","9","6","1","1") = "8"
    & skf18("9","2","4","9","6","2","1") = "8"
    & skf18("9","2","4","9","6","3","1") = "8"
    & skf18("9","2","4","9","6","4","1") = "8"
    & skf18("9","2","4","9","6","5","1") = "8"
    & skf18("9","2","4","9","6","6","1") = "8"
    & skf18("9","2","4","9","6","7","1") = "8"
    & skf18("9","2","4","9","6","8","1") = "8"
    & skf18("9","2","4","9","6","9","1") = "8"
    & skf18("9","2","4","9","6","10","1") = "9"
    & skf18("9","2","4","9","7","1","1") = "8"
    & skf18("9","2","4","9","7","2","1") = "8"
    & skf18("9","2","4","9","7","3","1") = "8"
    & skf18("9","2","4","9","7","4","1") = "8"
    & skf18("9","2","4","9","7","5","1") = "8"
    & skf18("9","2","4","9","7","6","1") = "8"
    & skf18("9","2","4","9","7","7","1") = "8"
    & skf18("9","2","4","9","7","8","1") = "8"
    & skf18("9","2","4","9","7","9","1") = "8"
    & skf18("9","2","4","9","7","10","1") = "9"
    & skf18("9","2","4","9","8","1","1") = "8"
    & skf18("9","2","4","9","8","2","1") = "8"
    & skf18("9","2","4","9","8","3","1") = "8"
    & skf18("9","2","4","9","8","4","1") = "8"
    & skf18("9","2","4","9","8","5","1") = "8"
    & skf18("9","2","4","9","8","6","1") = "8"
    & skf18("9","2","4","9","8","7","1") = "8"
    & skf18("9","2","4","9","8","8","1") = "8"
    & skf18("9","2","4","9","8","9","1") = "8"
    & skf18("9","2","4","9","8","10","1") = "9"
    & skf18("9","2","4","9","9","1","1") = "8"
    & skf18("9","2","4","9","9","2","1") = "8"
    & skf18("9","2","4","9","9","3","1") = "8"
    & skf18("9","2","4","9","9","4","1") = "8"
    & skf18("9","2","4","9","9","5","1") = "8"
    & skf18("9","2","4","9","9","6","1") = "8"
    & skf18("9","2","4","9","9","7","1") = "8"
    & skf18("9","2","4","9","9","8","1") = "8"
    & skf18("9","2","4","9","9","9","1") = "8"
    & skf18("9","2","4","9","9","10","1") = "9"
    & skf18("9","2","4","9","10","1","1") = "9"
    & skf18("9","2","4","9","10","2","1") = "9"
    & skf18("9","2","4","9","10","3","1") = "9"
    & skf18("9","2","4","9","10","4","1") = "9"
    & skf18("9","2","4","9","10","5","1") = "9"
    & skf18("9","2","4","9","10","6","1") = "9"
    & skf18("9","2","4","9","10","7","1") = "9"
    & skf18("9","2","4","9","10","8","1") = "9"
    & skf18("9","2","4","9","10","9","1") = "9"
    & skf18("9","2","4","9","10","10","1") = "9"
    & skf18("9","2","4","10","1","1","1") = "9"
    & skf18("9","2","4","10","1","2","1") = "9"
    & skf18("9","2","4","10","1","3","1") = "9"
    & skf18("9","2","4","10","1","4","1") = "9"
    & skf18("9","2","4","10","1","5","1") = "9"
    & skf18("9","2","4","10","1","6","1") = "9"
    & skf18("9","2","4","10","1","7","1") = "9"
    & skf18("9","2","4","10","1","8","1") = "9"
    & skf18("9","2","4","10","1","9","1") = "9"
    & skf18("9","2","4","10","1","10","1") = "9"
    & skf18("9","2","4","10","2","1","1") = "9"
    & skf18("9","2","4","10","2","2","1") = "9"
    & skf18("9","2","4","10","2","3","1") = "9"
    & skf18("9","2","4","10","2","4","1") = "9"
    & skf18("9","2","4","10","2","5","1") = "9"
    & skf18("9","2","4","10","2","6","1") = "9"
    & skf18("9","2","4","10","2","7","1") = "9"
    & skf18("9","2","4","10","2","8","1") = "9"
    & skf18("9","2","4","10","2","9","1") = "9"
    & skf18("9","2","4","10","2","10","1") = "9"
    & skf18("9","2","4","10","3","1","1") = "9"
    & skf18("9","2","4","10","3","2","1") = "9"
    & skf18("9","2","4","10","3","3","1") = "9"
    & skf18("9","2","4","10","3","4","1") = "9"
    & skf18("9","2","4","10","3","5","1") = "9"
    & skf18("9","2","4","10","3","6","1") = "9"
    & skf18("9","2","4","10","3","7","1") = "9"
    & skf18("9","2","4","10","3","8","1") = "9"
    & skf18("9","2","4","10","3","9","1") = "9"
    & skf18("9","2","4","10","3","10","1") = "9"
    & skf18("9","2","4","10","4","1","1") = "9"
    & skf18("9","2","4","10","4","2","1") = "9"
    & skf18("9","2","4","10","4","3","1") = "9"
    & skf18("9","2","4","10","4","4","1") = "9"
    & skf18("9","2","4","10","4","5","1") = "9"
    & skf18("9","2","4","10","4","6","1") = "9"
    & skf18("9","2","4","10","4","7","1") = "9"
    & skf18("9","2","4","10","4","8","1") = "9"
    & skf18("9","2","4","10","4","9","1") = "9"
    & skf18("9","2","4","10","4","10","1") = "9"
    & skf18("9","2","4","10","5","1","1") = "9"
    & skf18("9","2","4","10","5","2","1") = "9"
    & skf18("9","2","4","10","5","3","1") = "9"
    & skf18("9","2","4","10","5","4","1") = "9"
    & skf18("9","2","4","10","5","5","1") = "9"
    & skf18("9","2","4","10","5","6","1") = "9"
    & skf18("9","2","4","10","5","7","1") = "9"
    & skf18("9","2","4","10","5","8","1") = "9"
    & skf18("9","2","4","10","5","9","1") = "9"
    & skf18("9","2","4","10","5","10","1") = "9"
    & skf18("9","2","4","10","6","1","1") = "9"
    & skf18("9","2","4","10","6","2","1") = "9"
    & skf18("9","2","4","10","6","3","1") = "9"
    & skf18("9","2","4","10","6","4","1") = "9"
    & skf18("9","2","4","10","6","5","1") = "9"
    & skf18("9","2","4","10","6","6","1") = "9"
    & skf18("9","2","4","10","6","7","1") = "9"
    & skf18("9","2","4","10","6","8","1") = "9"
    & skf18("9","2","4","10","6","9","1") = "9"
    & skf18("9","2","4","10","6","10","1") = "9"
    & skf18("9","2","4","10","7","1","1") = "9"
    & skf18("9","2","4","10","7","2","1") = "9"
    & skf18("9","2","4","10","7","3","1") = "9"
    & skf18("9","2","4","10","7","4","1") = "9"
    & skf18("9","2","4","10","7","5","1") = "9"
    & skf18("9","2","4","10","7","6","1") = "9"
    & skf18("9","2","4","10","7","7","1") = "9"
    & skf18("9","2","4","10","7","8","1") = "9"
    & skf18("9","2","4","10","7","9","1") = "9"
    & skf18("9","2","4","10","7","10","1") = "9"
    & skf18("9","2","4","10","8","1","1") = "9"
    & skf18("9","2","4","10","8","2","1") = "9"
    & skf18("9","2","4","10","8","3","1") = "9"
    & skf18("9","2","4","10","8","4","1") = "9"
    & skf18("9","2","4","10","8","5","1") = "9"
    & skf18("9","2","4","10","8","6","1") = "9"
    & skf18("9","2","4","10","8","7","1") = "9"
    & skf18("9","2","4","10","8","8","1") = "9"
    & skf18("9","2","4","10","8","9","1") = "9"
    & skf18("9","2","4","10","8","10","1") = "9"
    & skf18("9","2","4","10","9","1","1") = "9"
    & skf18("9","2","4","10","9","2","1") = "9"
    & skf18("9","2","4","10","9","3","1") = "9"
    & skf18("9","2","4","10","9","4","1") = "9"
    & skf18("9","2","4","10","9","5","1") = "9"
    & skf18("9","2","4","10","9","6","1") = "9"
    & skf18("9","2","4","10","9","7","1") = "9"
    & skf18("9","2","4","10","9","8","1") = "9"
    & skf18("9","2","4","10","9","9","1") = "9"
    & skf18("9","2","4","10","9","10","1") = "9"
    & skf18("9","2","4","10","10","1","1") = "9"
    & skf18("9","2","4","10","10","2","1") = "9"
    & skf18("9","2","4","10","10","3","1") = "9"
    & skf18("9","2","4","10","10","4","1") = "9"
    & skf18("9","2","4","10","10","5","1") = "9"
    & skf18("9","2","4","10","10","6","1") = "9"
    & skf18("9","2","4","10","10","7","1") = "9"
    & skf18("9","2","4","10","10","8","1") = "9"
    & skf18("9","2","4","10","10","9","1") = "9"
    & skf18("9","2","4","10","10","10","1") = "9"
    & skf18("9","2","5","1","1","1","1") = "8"
    & skf18("9","2","5","1","1","2","1") = "8"
    & skf18("9","2","5","1","1","3","1") = "8"
    & skf18("9","2","5","1","1","4","1") = "8"
    & skf18("9","2","5","1","1","5","1") = "8"
    & skf18("9","2","5","1","1","6","1") = "8"
    & skf18("9","2","5","1","1","7","1") = "8"
    & skf18("9","2","5","1","1","8","1") = "8"
    & skf18("9","2","5","1","1","9","1") = "8"
    & skf18("9","2","5","1","1","10","1") = "9"
    & skf18("9","2","5","1","2","1","1") = "8"
    & skf18("9","2","5","1","2","2","1") = "8"
    & skf18("9","2","5","1","2","3","1") = "8"
    & skf18("9","2","5","1","2","4","1") = "8"
    & skf18("9","2","5","1","2","5","1") = "8"
    & skf18("9","2","5","1","2","6","1") = "8"
    & skf18("9","2","5","1","2","7","1") = "8"
    & skf18("9","2","5","1","2","8","1") = "8"
    & skf18("9","2","5","1","2","9","1") = "8"
    & skf18("9","2","5","1","2","10","1") = "9"
    & skf18("9","2","5","1","3","1","1") = "8"
    & skf18("9","2","5","1","3","2","1") = "8"
    & skf18("9","2","5","1","3","3","1") = "8"
    & skf18("9","2","5","1","3","4","1") = "8"
    & skf18("9","2","5","1","3","5","1") = "8"
    & skf18("9","2","5","1","3","6","1") = "8"
    & skf18("9","2","5","1","3","7","1") = "8"
    & skf18("9","2","5","1","3","8","1") = "8"
    & skf18("9","2","5","1","3","9","1") = "8"
    & skf18("9","2","5","1","3","10","1") = "9"
    & skf18("9","2","5","1","4","1","1") = "8"
    & skf18("9","2","5","1","4","2","1") = "8"
    & skf18("9","2","5","1","4","3","1") = "8"
    & skf18("9","2","5","1","4","4","1") = "8"
    & skf18("9","2","5","1","4","5","1") = "8"
    & skf18("9","2","5","1","4","6","1") = "8"
    & skf18("9","2","5","1","4","7","1") = "8"
    & skf18("9","2","5","1","4","8","1") = "8"
    & skf18("9","2","5","1","4","9","1") = "8"
    & skf18("9","2","5","1","4","10","1") = "9"
    & skf18("9","2","5","1","5","1","1") = "8"
    & skf18("9","2","5","1","5","2","1") = "8"
    & skf18("9","2","5","1","5","3","1") = "8"
    & skf18("9","2","5","1","5","4","1") = "8"
    & skf18("9","2","5","1","5","5","1") = "8"
    & skf18("9","2","5","1","5","6","1") = "8"
    & skf18("9","2","5","1","5","7","1") = "8"
    & skf18("9","2","5","1","5","8","1") = "8"
    & skf18("9","2","5","1","5","9","1") = "8"
    & skf18("9","2","5","1","5","10","1") = "9"
    & skf18("9","2","5","1","6","1","1") = "8"
    & skf18("9","2","5","1","6","2","1") = "8"
    & skf18("9","2","5","1","6","3","1") = "8"
    & skf18("9","2","5","1","6","4","1") = "8"
    & skf18("9","2","5","1","6","5","1") = "8"
    & skf18("9","2","5","1","6","6","1") = "8"
    & skf18("9","2","5","1","6","7","1") = "8"
    & skf18("9","2","5","1","6","8","1") = "8"
    & skf18("9","2","5","1","6","9","1") = "8"
    & skf18("9","2","5","1","6","10","1") = "9"
    & skf18("9","2","5","1","7","1","1") = "8"
    & skf18("9","2","5","1","7","2","1") = "8"
    & skf18("9","2","5","1","7","3","1") = "8"
    & skf18("9","2","5","1","7","4","1") = "8"
    & skf18("9","2","5","1","7","5","1") = "8"
    & skf18("9","2","5","1","7","6","1") = "8"
    & skf18("9","2","5","1","7","7","1") = "8"
    & skf18("9","2","5","1","7","8","1") = "8"
    & skf18("9","2","5","1","7","9","1") = "8"
    & skf18("9","2","5","1","7","10","1") = "9"
    & skf18("9","2","5","1","8","1","1") = "8"
    & skf18("9","2","5","1","8","2","1") = "8"
    & skf18("9","2","5","1","8","3","1") = "8"
    & skf18("9","2","5","1","8","4","1") = "8"
    & skf18("9","2","5","1","8","5","1") = "8"
    & skf18("9","2","5","1","8","6","1") = "8"
    & skf18("9","2","5","1","8","7","1") = "8"
    & skf18("9","2","5","1","8","8","1") = "8"
    & skf18("9","2","5","1","8","9","1") = "8"
    & skf18("9","2","5","1","8","10","1") = "9"
    & skf18("9","2","5","1","9","1","1") = "8"
    & skf18("9","2","5","1","9","2","1") = "8"
    & skf18("9","2","5","1","9","3","1") = "8"
    & skf18("9","2","5","1","9","4","1") = "8"
    & skf18("9","2","5","1","9","5","1") = "8"
    & skf18("9","2","5","1","9","6","1") = "8"
    & skf18("9","2","5","1","9","7","1") = "8"
    & skf18("9","2","5","1","9","8","1") = "8"
    & skf18("9","2","5","1","9","9","1") = "8"
    & skf18("9","2","5","1","9","10","1") = "9"
    & skf18("9","2","5","1","10","1","1") = "9"
    & skf18("9","2","5","1","10","2","1") = "9"
    & skf18("9","2","5","1","10","3","1") = "9"
    & skf18("9","2","5","1","10","4","1") = "9"
    & skf18("9","2","5","1","10","5","1") = "9"
    & skf18("9","2","5","1","10","6","1") = "9"
    & skf18("9","2","5","1","10","7","1") = "9"
    & skf18("9","2","5","1","10","8","1") = "9"
    & skf18("9","2","5","1","10","9","1") = "9"
    & skf18("9","2","5","1","10","10","1") = "9"
    & skf18("9","2","5","2","1","1","1") = "8"
    & skf18("9","2","5","2","1","2","1") = "8"
    & skf18("9","2","5","2","1","3","1") = "8"
    & skf18("9","2","5","2","1","4","1") = "8"
    & skf18("9","2","5","2","1","5","1") = "8"
    & skf18("9","2","5","2","1","6","1") = "8"
    & skf18("9","2","5","2","1","7","1") = "8"
    & skf18("9","2","5","2","1","8","1") = "8"
    & skf18("9","2","5","2","1","9","1") = "8"
    & skf18("9","2","5","2","1","10","1") = "9"
    & skf18("9","2","5","2","2","1","1") = "8"
    & skf18("9","2","5","2","2","2","1") = "8"
    & skf18("9","2","5","2","2","3","1") = "8"
    & skf18("9","2","5","2","2","4","1") = "8"
    & skf18("9","2","5","2","2","5","1") = "8"
    & skf18("9","2","5","2","2","6","1") = "8"
    & skf18("9","2","5","2","2","7","1") = "8"
    & skf18("9","2","5","2","2","8","1") = "8"
    & skf18("9","2","5","2","2","9","1") = "8"
    & skf18("9","2","5","2","2","10","1") = "9"
    & skf18("9","2","5","2","3","1","1") = "8"
    & skf18("9","2","5","2","3","2","1") = "8"
    & skf18("9","2","5","2","3","3","1") = "8"
    & skf18("9","2","5","2","3","4","1") = "8"
    & skf18("9","2","5","2","3","5","1") = "8"
    & skf18("9","2","5","2","3","6","1") = "8"
    & skf18("9","2","5","2","3","7","1") = "8"
    & skf18("9","2","5","2","3","8","1") = "8"
    & skf18("9","2","5","2","3","9","1") = "8"
    & skf18("9","2","5","2","3","10","1") = "9"
    & skf18("9","2","5","2","4","1","1") = "8"
    & skf18("9","2","5","2","4","2","1") = "8"
    & skf18("9","2","5","2","4","3","1") = "8"
    & skf18("9","2","5","2","4","4","1") = "8"
    & skf18("9","2","5","2","4","5","1") = "8"
    & skf18("9","2","5","2","4","6","1") = "8"
    & skf18("9","2","5","2","4","7","1") = "8"
    & skf18("9","2","5","2","4","8","1") = "8"
    & skf18("9","2","5","2","4","9","1") = "8"
    & skf18("9","2","5","2","4","10","1") = "9"
    & skf18("9","2","5","2","5","1","1") = "8"
    & skf18("9","2","5","2","5","2","1") = "8"
    & skf18("9","2","5","2","5","3","1") = "8"
    & skf18("9","2","5","2","5","4","1") = "8"
    & skf18("9","2","5","2","5","5","1") = "8"
    & skf18("9","2","5","2","5","6","1") = "8"
    & skf18("9","2","5","2","5","7","1") = "8"
    & skf18("9","2","5","2","5","8","1") = "8"
    & skf18("9","2","5","2","5","9","1") = "8"
    & skf18("9","2","5","2","5","10","1") = "9"
    & skf18("9","2","5","2","6","1","1") = "8"
    & skf18("9","2","5","2","6","2","1") = "8"
    & skf18("9","2","5","2","6","3","1") = "8"
    & skf18("9","2","5","2","6","4","1") = "8"
    & skf18("9","2","5","2","6","5","1") = "8"
    & skf18("9","2","5","2","6","6","1") = "8"
    & skf18("9","2","5","2","6","7","1") = "8"
    & skf18("9","2","5","2","6","8","1") = "8"
    & skf18("9","2","5","2","6","9","1") = "8"
    & skf18("9","2","5","2","6","10","1") = "9"
    & skf18("9","2","5","2","7","1","1") = "8"
    & skf18("9","2","5","2","7","2","1") = "8"
    & skf18("9","2","5","2","7","3","1") = "8"
    & skf18("9","2","5","2","7","4","1") = "8"
    & skf18("9","2","5","2","7","5","1") = "8"
    & skf18("9","2","5","2","7","6","1") = "8"
    & skf18("9","2","5","2","7","7","1") = "8"
    & skf18("9","2","5","2","7","8","1") = "8"
    & skf18("9","2","5","2","7","9","1") = "8"
    & skf18("9","2","5","2","7","10","1") = "9"
    & skf18("9","2","5","2","8","1","1") = "8"
    & skf18("9","2","5","2","8","2","1") = "8"
    & skf18("9","2","5","2","8","3","1") = "8"
    & skf18("9","2","5","2","8","4","1") = "8"
    & skf18("9","2","5","2","8","5","1") = "8"
    & skf18("9","2","5","2","8","6","1") = "8"
    & skf18("9","2","5","2","8","7","1") = "8"
    & skf18("9","2","5","2","8","8","1") = "8"
    & skf18("9","2","5","2","8","9","1") = "8"
    & skf18("9","2","5","2","8","10","1") = "9"
    & skf18("9","2","5","2","9","1","1") = "8"
    & skf18("9","2","5","2","9","2","1") = "8"
    & skf18("9","2","5","2","9","3","1") = "8"
    & skf18("9","2","5","2","9","4","1") = "8"
    & skf18("9","2","5","2","9","5","1") = "8"
    & skf18("9","2","5","2","9","6","1") = "8"
    & skf18("9","2","5","2","9","7","1") = "8"
    & skf18("9","2","5","2","9","8","1") = "8"
    & skf18("9","2","5","2","9","9","1") = "8"
    & skf18("9","2","5","2","9","10","1") = "9"
    & skf18("9","2","5","2","10","1","1") = "9"
    & skf18("9","2","5","2","10","2","1") = "9"
    & skf18("9","2","5","2","10","3","1") = "9"
    & skf18("9","2","5","2","10","4","1") = "9"
    & skf18("9","2","5","2","10","5","1") = "9"
    & skf18("9","2","5","2","10","6","1") = "9"
    & skf18("9","2","5","2","10","7","1") = "9"
    & skf18("9","2","5","2","10","8","1") = "9"
    & skf18("9","2","5","2","10","9","1") = "9"
    & skf18("9","2","5","2","10","10","1") = "9"
    & skf18("9","2","5","3","1","1","1") = "8"
    & skf18("9","2","5","3","1","2","1") = "8"
    & skf18("9","2","5","3","1","3","1") = "8"
    & skf18("9","2","5","3","1","4","1") = "8"
    & skf18("9","2","5","3","1","5","1") = "8"
    & skf18("9","2","5","3","1","6","1") = "8"
    & skf18("9","2","5","3","1","7","1") = "8"
    & skf18("9","2","5","3","1","8","1") = "8"
    & skf18("9","2","5","3","1","9","1") = "8"
    & skf18("9","2","5","3","1","10","1") = "9"
    & skf18("9","2","5","3","2","1","1") = "8"
    & skf18("9","2","5","3","2","2","1") = "8"
    & skf18("9","2","5","3","2","3","1") = "8"
    & skf18("9","2","5","3","2","4","1") = "8"
    & skf18("9","2","5","3","2","5","1") = "8"
    & skf18("9","2","5","3","2","6","1") = "8"
    & skf18("9","2","5","3","2","7","1") = "8"
    & skf18("9","2","5","3","2","8","1") = "8"
    & skf18("9","2","5","3","2","9","1") = "8"
    & skf18("9","2","5","3","2","10","1") = "9"
    & skf18("9","2","5","3","3","1","1") = "8"
    & skf18("9","2","5","3","3","2","1") = "8"
    & skf18("9","2","5","3","3","3","1") = "8"
    & skf18("9","2","5","3","3","4","1") = "8"
    & skf18("9","2","5","3","3","5","1") = "8"
    & skf18("9","2","5","3","3","6","1") = "8"
    & skf18("9","2","5","3","3","7","1") = "8"
    & skf18("9","2","5","3","3","8","1") = "8"
    & skf18("9","2","5","3","3","9","1") = "8"
    & skf18("9","2","5","3","3","10","1") = "9"
    & skf18("9","2","5","3","4","1","1") = "8"
    & skf18("9","2","5","3","4","2","1") = "8"
    & skf18("9","2","5","3","4","3","1") = "8"
    & skf18("9","2","5","3","4","4","1") = "8"
    & skf18("9","2","5","3","4","5","1") = "8"
    & skf18("9","2","5","3","4","6","1") = "8"
    & skf18("9","2","5","3","4","7","1") = "8"
    & skf18("9","2","5","3","4","8","1") = "8"
    & skf18("9","2","5","3","4","9","1") = "8"
    & skf18("9","2","5","3","4","10","1") = "9"
    & skf18("9","2","5","3","5","1","1") = "8"
    & skf18("9","2","5","3","5","2","1") = "8"
    & skf18("9","2","5","3","5","3","1") = "8"
    & skf18("9","2","5","3","5","4","1") = "8"
    & skf18("9","2","5","3","5","5","1") = "8"
    & skf18("9","2","5","3","5","6","1") = "8"
    & skf18("9","2","5","3","5","7","1") = "8"
    & skf18("9","2","5","3","5","8","1") = "8"
    & skf18("9","2","5","3","5","9","1") = "8"
    & skf18("9","2","5","3","5","10","1") = "9"
    & skf18("9","2","5","3","6","1","1") = "8"
    & skf18("9","2","5","3","6","2","1") = "8"
    & skf18("9","2","5","3","6","3","1") = "8"
    & skf18("9","2","5","3","6","4","1") = "8"
    & skf18("9","2","5","3","6","5","1") = "8"
    & skf18("9","2","5","3","6","6","1") = "8"
    & skf18("9","2","5","3","6","7","1") = "8"
    & skf18("9","2","5","3","6","8","1") = "8"
    & skf18("9","2","5","3","6","9","1") = "8"
    & skf18("9","2","5","3","6","10","1") = "9"
    & skf18("9","2","5","3","7","1","1") = "8"
    & skf18("9","2","5","3","7","2","1") = "8"
    & skf18("9","2","5","3","7","3","1") = "8"
    & skf18("9","2","5","3","7","4","1") = "8"
    & skf18("9","2","5","3","7","5","1") = "8"
    & skf18("9","2","5","3","7","6","1") = "8"
    & skf18("9","2","5","3","7","7","1") = "8"
    & skf18("9","2","5","3","7","8","1") = "8"
    & skf18("9","2","5","3","7","9","1") = "8"
    & skf18("9","2","5","3","7","10","1") = "9"
    & skf18("9","2","5","3","8","1","1") = "8"
    & skf18("9","2","5","3","8","2","1") = "8"
    & skf18("9","2","5","3","8","3","1") = "8"
    & skf18("9","2","5","3","8","4","1") = "8"
    & skf18("9","2","5","3","8","5","1") = "8"
    & skf18("9","2","5","3","8","6","1") = "8"
    & skf18("9","2","5","3","8","7","1") = "8"
    & skf18("9","2","5","3","8","8","1") = "8"
    & skf18("9","2","5","3","8","9","1") = "8"
    & skf18("9","2","5","3","8","10","1") = "9"
    & skf18("9","2","5","3","9","1","1") = "8"
    & skf18("9","2","5","3","9","2","1") = "8"
    & skf18("9","2","5","3","9","3","1") = "8"
    & skf18("9","2","5","3","9","4","1") = "8"
    & skf18("9","2","5","3","9","5","1") = "8"
    & skf18("9","2","5","3","9","6","1") = "8"
    & skf18("9","2","5","3","9","7","1") = "8"
    & skf18("9","2","5","3","9","8","1") = "8"
    & skf18("9","2","5","3","9","9","1") = "8"
    & skf18("9","2","5","3","9","10","1") = "9"
    & skf18("9","2","5","3","10","1","1") = "9"
    & skf18("9","2","5","3","10","2","1") = "9"
    & skf18("9","2","5","3","10","3","1") = "9"
    & skf18("9","2","5","3","10","4","1") = "9"
    & skf18("9","2","5","3","10","5","1") = "9"
    & skf18("9","2","5","3","10","6","1") = "9"
    & skf18("9","2","5","3","10","7","1") = "9"
    & skf18("9","2","5","3","10","8","1") = "9"
    & skf18("9","2","5","3","10","9","1") = "9"
    & skf18("9","2","5","3","10","10","1") = "9"
    & skf18("9","2","5","4","1","1","1") = "8"
    & skf18("9","2","5","4","1","2","1") = "8"
    & skf18("9","2","5","4","1","3","1") = "8"
    & skf18("9","2","5","4","1","4","1") = "8"
    & skf18("9","2","5","4","1","5","1") = "8"
    & skf18("9","2","5","4","1","6","1") = "8"
    & skf18("9","2","5","4","1","7","1") = "8"
    & skf18("9","2","5","4","1","8","1") = "8"
    & skf18("9","2","5","4","1","9","1") = "8"
    & skf18("9","2","5","4","1","10","1") = "9"
    & skf18("9","2","5","4","2","1","1") = "8"
    & skf18("9","2","5","4","2","2","1") = "8"
    & skf18("9","2","5","4","2","3","1") = "8"
    & skf18("9","2","5","4","2","4","1") = "8"
    & skf18("9","2","5","4","2","5","1") = "8"
    & skf18("9","2","5","4","2","6","1") = "8"
    & skf18("9","2","5","4","2","7","1") = "8"
    & skf18("9","2","5","4","2","8","1") = "8"
    & skf18("9","2","5","4","2","9","1") = "8"
    & skf18("9","2","5","4","2","10","1") = "9"
    & skf18("9","2","5","4","3","1","1") = "8"
    & skf18("9","2","5","4","3","2","1") = "8"
    & skf18("9","2","5","4","3","3","1") = "8"
    & skf18("9","2","5","4","3","4","1") = "8"
    & skf18("9","2","5","4","3","5","1") = "8"
    & skf18("9","2","5","4","3","6","1") = "8"
    & skf18("9","2","5","4","3","7","1") = "8"
    & skf18("9","2","5","4","3","8","1") = "8"
    & skf18("9","2","5","4","3","9","1") = "8"
    & skf18("9","2","5","4","3","10","1") = "9"
    & skf18("9","2","5","4","4","1","1") = "8"
    & skf18("9","2","5","4","4","2","1") = "8"
    & skf18("9","2","5","4","4","3","1") = "8"
    & skf18("9","2","5","4","4","4","1") = "8"
    & skf18("9","2","5","4","4","5","1") = "8"
    & skf18("9","2","5","4","4","6","1") = "8"
    & skf18("9","2","5","4","4","7","1") = "8"
    & skf18("9","2","5","4","4","8","1") = "8"
    & skf18("9","2","5","4","4","9","1") = "8"
    & skf18("9","2","5","4","4","10","1") = "9"
    & skf18("9","2","5","4","5","1","1") = "8"
    & skf18("9","2","5","4","5","2","1") = "8"
    & skf18("9","2","5","4","5","3","1") = "8"
    & skf18("9","2","5","4","5","4","1") = "8"
    & skf18("9","2","5","4","5","5","1") = "8"
    & skf18("9","2","5","4","5","6","1") = "8"
    & skf18("9","2","5","4","5","7","1") = "8"
    & skf18("9","2","5","4","5","8","1") = "8"
    & skf18("9","2","5","4","5","9","1") = "8"
    & skf18("9","2","5","4","5","10","1") = "9"
    & skf18("9","2","5","4","6","1","1") = "8"
    & skf18("9","2","5","4","6","2","1") = "8"
    & skf18("9","2","5","4","6","3","1") = "8"
    & skf18("9","2","5","4","6","4","1") = "8"
    & skf18("9","2","5","4","6","5","1") = "8"
    & skf18("9","2","5","4","6","6","1") = "8"
    & skf18("9","2","5","4","6","7","1") = "8"
    & skf18("9","2","5","4","6","8","1") = "8"
    & skf18("9","2","5","4","6","9","1") = "8"
    & skf18("9","2","5","4","6","10","1") = "9"
    & skf18("9","2","5","4","7","1","1") = "8"
    & skf18("9","2","5","4","7","2","1") = "8"
    & skf18("9","2","5","4","7","3","1") = "8"
    & skf18("9","2","5","4","7","4","1") = "8"
    & skf18("9","2","5","4","7","5","1") = "8"
    & skf18("9","2","5","4","7","6","1") = "8"
    & skf18("9","2","5","4","7","7","1") = "8"
    & skf18("9","2","5","4","7","8","1") = "8"
    & skf18("9","2","5","4","7","9","1") = "8"
    & skf18("9","2","5","4","7","10","1") = "9"
    & skf18("9","2","5","4","8","1","1") = "8"
    & skf18("9","2","5","4","8","2","1") = "8"
    & skf18("9","2","5","4","8","3","1") = "8"
    & skf18("9","2","5","4","8","4","1") = "8"
    & skf18("9","2","5","4","8","5","1") = "8"
    & skf18("9","2","5","4","8","6","1") = "8"
    & skf18("9","2","5","4","8","7","1") = "8"
    & skf18("9","2","5","4","8","8","1") = "8"
    & skf18("9","2","5","4","8","9","1") = "8"
    & skf18("9","2","5","4","8","10","1") = "9"
    & skf18("9","2","5","4","9","1","1") = "8"
    & skf18("9","2","5","4","9","2","1") = "8"
    & skf18("9","2","5","4","9","3","1") = "8"
    & skf18("9","2","5","4","9","4","1") = "8"
    & skf18("9","2","5","4","9","5","1") = "8"
    & skf18("9","2","5","4","9","6","1") = "8"
    & skf18("9","2","5","4","9","7","1") = "8"
    & skf18("9","2","5","4","9","8","1") = "8"
    & skf18("9","2","5","4","9","9","1") = "8"
    & skf18("9","2","5","4","9","10","1") = "9"
    & skf18("9","2","5","4","10","1","1") = "9"
    & skf18("9","2","5","4","10","2","1") = "9"
    & skf18("9","2","5","4","10","3","1") = "9"
    & skf18("9","2","5","4","10","4","1") = "9"
    & skf18("9","2","5","4","10","5","1") = "9"
    & skf18("9","2","5","4","10","6","1") = "9"
    & skf18("9","2","5","4","10","7","1") = "9"
    & skf18("9","2","5","4","10","8","1") = "9"
    & skf18("9","2","5","4","10","9","1") = "9"
    & skf18("9","2","5","4","10","10","1") = "9"
    & skf18("9","2","5","5","1","1","1") = "8"
    & skf18("9","2","5","5","1","2","1") = "8"
    & skf18("9","2","5","5","1","3","1") = "8"
    & skf18("9","2","5","5","1","4","1") = "8"
    & skf18("9","2","5","5","1","5","1") = "8"
    & skf18("9","2","5","5","1","6","1") = "8"
    & skf18("9","2","5","5","1","7","1") = "8"
    & skf18("9","2","5","5","1","8","1") = "8"
    & skf18("9","2","5","5","1","9","1") = "8"
    & skf18("9","2","5","5","1","10","1") = "9"
    & skf18("9","2","5","5","2","1","1") = "8"
    & skf18("9","2","5","5","2","2","1") = "8"
    & skf18("9","2","5","5","2","3","1") = "8"
    & skf18("9","2","5","5","2","4","1") = "8"
    & skf18("9","2","5","5","2","5","1") = "8"
    & skf18("9","2","5","5","2","6","1") = "8"
    & skf18("9","2","5","5","2","7","1") = "8"
    & skf18("9","2","5","5","2","8","1") = "8"
    & skf18("9","2","5","5","2","9","1") = "8"
    & skf18("9","2","5","5","2","10","1") = "9"
    & skf18("9","2","5","5","3","1","1") = "8"
    & skf18("9","2","5","5","3","2","1") = "8"
    & skf18("9","2","5","5","3","3","1") = "8"
    & skf18("9","2","5","5","3","4","1") = "8"
    & skf18("9","2","5","5","3","5","1") = "8"
    & skf18("9","2","5","5","3","6","1") = "8"
    & skf18("9","2","5","5","3","7","1") = "8"
    & skf18("9","2","5","5","3","8","1") = "8"
    & skf18("9","2","5","5","3","9","1") = "8"
    & skf18("9","2","5","5","3","10","1") = "9"
    & skf18("9","2","5","5","4","1","1") = "8"
    & skf18("9","2","5","5","4","2","1") = "8"
    & skf18("9","2","5","5","4","3","1") = "8"
    & skf18("9","2","5","5","4","4","1") = "8"
    & skf18("9","2","5","5","4","5","1") = "8"
    & skf18("9","2","5","5","4","6","1") = "8"
    & skf18("9","2","5","5","4","7","1") = "8"
    & skf18("9","2","5","5","4","8","1") = "8"
    & skf18("9","2","5","5","4","9","1") = "8"
    & skf18("9","2","5","5","4","10","1") = "9"
    & skf18("9","2","5","5","5","1","1") = "8"
    & skf18("9","2","5","5","5","2","1") = "8"
    & skf18("9","2","5","5","5","3","1") = "8"
    & skf18("9","2","5","5","5","4","1") = "8"
    & skf18("9","2","5","5","5","5","1") = "8"
    & skf18("9","2","5","5","5","6","1") = "8"
    & skf18("9","2","5","5","5","7","1") = "8"
    & skf18("9","2","5","5","5","8","1") = "8"
    & skf18("9","2","5","5","5","9","1") = "8"
    & skf18("9","2","5","5","5","10","1") = "9"
    & skf18("9","2","5","5","6","1","1") = "8"
    & skf18("9","2","5","5","6","2","1") = "8"
    & skf18("9","2","5","5","6","3","1") = "8"
    & skf18("9","2","5","5","6","4","1") = "8"
    & skf18("9","2","5","5","6","5","1") = "8"
    & skf18("9","2","5","5","6","6","1") = "8"
    & skf18("9","2","5","5","6","7","1") = "8"
    & skf18("9","2","5","5","6","8","1") = "8"
    & skf18("9","2","5","5","6","9","1") = "8"
    & skf18("9","2","5","5","6","10","1") = "9"
    & skf18("9","2","5","5","7","1","1") = "8"
    & skf18("9","2","5","5","7","2","1") = "8"
    & skf18("9","2","5","5","7","3","1") = "8"
    & skf18("9","2","5","5","7","4","1") = "8"
    & skf18("9","2","5","5","7","5","1") = "8"
    & skf18("9","2","5","5","7","6","1") = "8"
    & skf18("9","2","5","5","7","7","1") = "8"
    & skf18("9","2","5","5","7","8","1") = "8"
    & skf18("9","2","5","5","7","9","1") = "8"
    & skf18("9","2","5","5","7","10","1") = "9"
    & skf18("9","2","5","5","8","1","1") = "8"
    & skf18("9","2","5","5","8","2","1") = "8"
    & skf18("9","2","5","5","8","3","1") = "8"
    & skf18("9","2","5","5","8","4","1") = "8"
    & skf18("9","2","5","5","8","5","1") = "8"
    & skf18("9","2","5","5","8","6","1") = "8"
    & skf18("9","2","5","5","8","7","1") = "8"
    & skf18("9","2","5","5","8","8","1") = "8"
    & skf18("9","2","5","5","8","9","1") = "8"
    & skf18("9","2","5","5","8","10","1") = "9"
    & skf18("9","2","5","5","9","1","1") = "8"
    & skf18("9","2","5","5","9","2","1") = "8"
    & skf18("9","2","5","5","9","3","1") = "8"
    & skf18("9","2","5","5","9","4","1") = "8"
    & skf18("9","2","5","5","9","5","1") = "8"
    & skf18("9","2","5","5","9","6","1") = "8"
    & skf18("9","2","5","5","9","7","1") = "8"
    & skf18("9","2","5","5","9","8","1") = "8"
    & skf18("9","2","5","5","9","9","1") = "8"
    & skf18("9","2","5","5","9","10","1") = "9"
    & skf18("9","2","5","5","10","1","1") = "9"
    & skf18("9","2","5","5","10","2","1") = "9"
    & skf18("9","2","5","5","10","3","1") = "9"
    & skf18("9","2","5","5","10","4","1") = "9"
    & skf18("9","2","5","5","10","5","1") = "9"
    & skf18("9","2","5","5","10","6","1") = "9"
    & skf18("9","2","5","5","10","7","1") = "9"
    & skf18("9","2","5","5","10","8","1") = "9"
    & skf18("9","2","5","5","10","9","1") = "9"
    & skf18("9","2","5","5","10","10","1") = "9"
    & skf18("9","2","5","6","1","1","1") = "8"
    & skf18("9","2","5","6","1","2","1") = "8"
    & skf18("9","2","5","6","1","3","1") = "8"
    & skf18("9","2","5","6","1","4","1") = "8"
    & skf18("9","2","5","6","1","5","1") = "8"
    & skf18("9","2","5","6","1","6","1") = "8"
    & skf18("9","2","5","6","1","7","1") = "8"
    & skf18("9","2","5","6","1","8","1") = "8"
    & skf18("9","2","5","6","1","9","1") = "8"
    & skf18("9","2","5","6","1","10","1") = "9"
    & skf18("9","2","5","6","2","1","1") = "8"
    & skf18("9","2","5","6","2","2","1") = "8"
    & skf18("9","2","5","6","2","3","1") = "8"
    & skf18("9","2","5","6","2","4","1") = "8"
    & skf18("9","2","5","6","2","5","1") = "8"
    & skf18("9","2","5","6","2","6","1") = "8"
    & skf18("9","2","5","6","2","7","1") = "8"
    & skf18("9","2","5","6","2","8","1") = "8"
    & skf18("9","2","5","6","2","9","1") = "8"
    & skf18("9","2","5","6","2","10","1") = "9"
    & skf18("9","2","5","6","3","1","1") = "8"
    & skf18("9","2","5","6","3","2","1") = "8"
    & skf18("9","2","5","6","3","3","1") = "8"
    & skf18("9","2","5","6","3","4","1") = "8"
    & skf18("9","2","5","6","3","5","1") = "8"
    & skf18("9","2","5","6","3","6","1") = "8"
    & skf18("9","2","5","6","3","7","1") = "8"
    & skf18("9","2","5","6","3","8","1") = "8"
    & skf18("9","2","5","6","3","9","1") = "8"
    & skf18("9","2","5","6","3","10","1") = "9"
    & skf18("9","2","5","6","4","1","1") = "8"
    & skf18("9","2","5","6","4","2","1") = "8"
    & skf18("9","2","5","6","4","3","1") = "8"
    & skf18("9","2","5","6","4","4","1") = "8"
    & skf18("9","2","5","6","4","5","1") = "8"
    & skf18("9","2","5","6","4","6","1") = "8"
    & skf18("9","2","5","6","4","7","1") = "8"
    & skf18("9","2","5","6","4","8","1") = "8"
    & skf18("9","2","5","6","4","9","1") = "8"
    & skf18("9","2","5","6","4","10","1") = "9"
    & skf18("9","2","5","6","5","1","1") = "8"
    & skf18("9","2","5","6","5","2","1") = "8"
    & skf18("9","2","5","6","5","3","1") = "8"
    & skf18("9","2","5","6","5","4","1") = "8"
    & skf18("9","2","5","6","5","5","1") = "8"
    & skf18("9","2","5","6","5","6","1") = "8"
    & skf18("9","2","5","6","5","7","1") = "8"
    & skf18("9","2","5","6","5","8","1") = "8"
    & skf18("9","2","5","6","5","9","1") = "8"
    & skf18("9","2","5","6","5","10","1") = "9"
    & skf18("9","2","5","6","6","1","1") = "8"
    & skf18("9","2","5","6","6","2","1") = "8"
    & skf18("9","2","5","6","6","3","1") = "8"
    & skf18("9","2","5","6","6","4","1") = "8"
    & skf18("9","2","5","6","6","5","1") = "8"
    & skf18("9","2","5","6","6","6","1") = "8"
    & skf18("9","2","5","6","6","7","1") = "8"
    & skf18("9","2","5","6","6","8","1") = "8"
    & skf18("9","2","5","6","6","9","1") = "8"
    & skf18("9","2","5","6","6","10","1") = "9"
    & skf18("9","2","5","6","7","1","1") = "8"
    & skf18("9","2","5","6","7","2","1") = "8"
    & skf18("9","2","5","6","7","3","1") = "8"
    & skf18("9","2","5","6","7","4","1") = "8"
    & skf18("9","2","5","6","7","5","1") = "8"
    & skf18("9","2","5","6","7","6","1") = "8"
    & skf18("9","2","5","6","7","7","1") = "8"
    & skf18("9","2","5","6","7","8","1") = "8"
    & skf18("9","2","5","6","7","9","1") = "8"
    & skf18("9","2","5","6","7","10","1") = "9"
    & skf18("9","2","5","6","8","1","1") = "8"
    & skf18("9","2","5","6","8","2","1") = "8"
    & skf18("9","2","5","6","8","3","1") = "8"
    & skf18("9","2","5","6","8","4","1") = "8"
    & skf18("9","2","5","6","8","5","1") = "8"
    & skf18("9","2","5","6","8","6","1") = "8"
    & skf18("9","2","5","6","8","7","1") = "8"
    & skf18("9","2","5","6","8","8","1") = "8"
    & skf18("9","2","5","6","8","9","1") = "8"
    & skf18("9","2","5","6","8","10","1") = "9"
    & skf18("9","2","5","6","9","1","1") = "8"
    & skf18("9","2","5","6","9","2","1") = "8"
    & skf18("9","2","5","6","9","3","1") = "8"
    & skf18("9","2","5","6","9","4","1") = "8"
    & skf18("9","2","5","6","9","5","1") = "8"
    & skf18("9","2","5","6","9","6","1") = "8"
    & skf18("9","2","5","6","9","7","1") = "8"
    & skf18("9","2","5","6","9","8","1") = "8"
    & skf18("9","2","5","6","9","9","1") = "8"
    & skf18("9","2","5","6","9","10","1") = "9"
    & skf18("9","2","5","6","10","1","1") = "9"
    & skf18("9","2","5","6","10","2","1") = "9"
    & skf18("9","2","5","6","10","3","1") = "9"
    & skf18("9","2","5","6","10","4","1") = "9"
    & skf18("9","2","5","6","10","5","1") = "9"
    & skf18("9","2","5","6","10","6","1") = "9"
    & skf18("9","2","5","6","10","7","1") = "9"
    & skf18("9","2","5","6","10","8","1") = "9"
    & skf18("9","2","5","6","10","9","1") = "9"
    & skf18("9","2","5","6","10","10","1") = "9"
    & skf18("9","2","5","7","1","1","1") = "8"
    & skf18("9","2","5","7","1","2","1") = "8"
    & skf18("9","2","5","7","1","3","1") = "8"
    & skf18("9","2","5","7","1","4","1") = "8"
    & skf18("9","2","5","7","1","5","1") = "8"
    & skf18("9","2","5","7","1","6","1") = "8"
    & skf18("9","2","5","7","1","7","1") = "8"
    & skf18("9","2","5","7","1","8","1") = "8"
    & skf18("9","2","5","7","1","9","1") = "8"
    & skf18("9","2","5","7","1","10","1") = "9"
    & skf18("9","2","5","7","2","1","1") = "8"
    & skf18("9","2","5","7","2","2","1") = "8"
    & skf18("9","2","5","7","2","3","1") = "8"
    & skf18("9","2","5","7","2","4","1") = "8"
    & skf18("9","2","5","7","2","5","1") = "8"
    & skf18("9","2","5","7","2","6","1") = "8"
    & skf18("9","2","5","7","2","7","1") = "8"
    & skf18("9","2","5","7","2","8","1") = "8"
    & skf18("9","2","5","7","2","9","1") = "8"
    & skf18("9","2","5","7","2","10","1") = "9"
    & skf18("9","2","5","7","3","1","1") = "8"
    & skf18("9","2","5","7","3","2","1") = "8"
    & skf18("9","2","5","7","3","3","1") = "8"
    & skf18("9","2","5","7","3","4","1") = "8"
    & skf18("9","2","5","7","3","5","1") = "8"
    & skf18("9","2","5","7","3","6","1") = "8"
    & skf18("9","2","5","7","3","7","1") = "8"
    & skf18("9","2","5","7","3","8","1") = "8"
    & skf18("9","2","5","7","3","9","1") = "8"
    & skf18("9","2","5","7","3","10","1") = "9"
    & skf18("9","2","5","7","4","1","1") = "8"
    & skf18("9","2","5","7","4","2","1") = "8"
    & skf18("9","2","5","7","4","3","1") = "8"
    & skf18("9","2","5","7","4","4","1") = "8"
    & skf18("9","2","5","7","4","5","1") = "8"
    & skf18("9","2","5","7","4","6","1") = "8"
    & skf18("9","2","5","7","4","7","1") = "8"
    & skf18("9","2","5","7","4","8","1") = "8"
    & skf18("9","2","5","7","4","9","1") = "8"
    & skf18("9","2","5","7","4","10","1") = "9"
    & skf18("9","2","5","7","5","1","1") = "8"
    & skf18("9","2","5","7","5","2","1") = "8"
    & skf18("9","2","5","7","5","3","1") = "8"
    & skf18("9","2","5","7","5","4","1") = "8"
    & skf18("9","2","5","7","5","5","1") = "8"
    & skf18("9","2","5","7","5","6","1") = "8"
    & skf18("9","2","5","7","5","7","1") = "8"
    & skf18("9","2","5","7","5","8","1") = "8"
    & skf18("9","2","5","7","5","9","1") = "8"
    & skf18("9","2","5","7","5","10","1") = "9"
    & skf18("9","2","5","7","6","1","1") = "8"
    & skf18("9","2","5","7","6","2","1") = "8"
    & skf18("9","2","5","7","6","3","1") = "8"
    & skf18("9","2","5","7","6","4","1") = "8"
    & skf18("9","2","5","7","6","5","1") = "8"
    & skf18("9","2","5","7","6","6","1") = "8"
    & skf18("9","2","5","7","6","7","1") = "8"
    & skf18("9","2","5","7","6","8","1") = "8"
    & skf18("9","2","5","7","6","9","1") = "8"
    & skf18("9","2","5","7","6","10","1") = "9"
    & skf18("9","2","5","7","7","1","1") = "8"
    & skf18("9","2","5","7","7","2","1") = "8"
    & skf18("9","2","5","7","7","3","1") = "8"
    & skf18("9","2","5","7","7","4","1") = "8"
    & skf18("9","2","5","7","7","5","1") = "8"
    & skf18("9","2","5","7","7","6","1") = "8"
    & skf18("9","2","5","7","7","7","1") = "8"
    & skf18("9","2","5","7","7","8","1") = "8"
    & skf18("9","2","5","7","7","9","1") = "8"
    & skf18("9","2","5","7","7","10","1") = "9"
    & skf18("9","2","5","7","8","1","1") = "8"
    & skf18("9","2","5","7","8","2","1") = "8"
    & skf18("9","2","5","7","8","3","1") = "8"
    & skf18("9","2","5","7","8","4","1") = "8"
    & skf18("9","2","5","7","8","5","1") = "8"
    & skf18("9","2","5","7","8","6","1") = "8"
    & skf18("9","2","5","7","8","7","1") = "8"
    & skf18("9","2","5","7","8","8","1") = "8"
    & skf18("9","2","5","7","8","9","1") = "8"
    & skf18("9","2","5","7","8","10","1") = "9"
    & skf18("9","2","5","7","9","1","1") = "8"
    & skf18("9","2","5","7","9","2","1") = "8"
    & skf18("9","2","5","7","9","3","1") = "8"
    & skf18("9","2","5","7","9","4","1") = "8"
    & skf18("9","2","5","7","9","5","1") = "8"
    & skf18("9","2","5","7","9","6","1") = "8"
    & skf18("9","2","5","7","9","7","1") = "8"
    & skf18("9","2","5","7","9","8","1") = "8"
    & skf18("9","2","5","7","9","9","1") = "8"
    & skf18("9","2","5","7","9","10","1") = "9"
    & skf18("9","2","5","7","10","1","1") = "9"
    & skf18("9","2","5","7","10","2","1") = "9"
    & skf18("9","2","5","7","10","3","1") = "9"
    & skf18("9","2","5","7","10","4","1") = "9"
    & skf18("9","2","5","7","10","5","1") = "9"
    & skf18("9","2","5","7","10","6","1") = "9"
    & skf18("9","2","5","7","10","7","1") = "9"
    & skf18("9","2","5","7","10","8","1") = "9"
    & skf18("9","2","5","7","10","9","1") = "9"
    & skf18("9","2","5","7","10","10","1") = "9"
    & skf18("9","2","5","8","1","1","1") = "8"
    & skf18("9","2","5","8","1","2","1") = "8"
    & skf18("9","2","5","8","1","3","1") = "8"
    & skf18("9","2","5","8","1","4","1") = "8"
    & skf18("9","2","5","8","1","5","1") = "8"
    & skf18("9","2","5","8","1","6","1") = "8"
    & skf18("9","2","5","8","1","7","1") = "8"
    & skf18("9","2","5","8","1","8","1") = "8"
    & skf18("9","2","5","8","1","9","1") = "8"
    & skf18("9","2","5","8","1","10","1") = "9"
    & skf18("9","2","5","8","2","1","1") = "8"
    & skf18("9","2","5","8","2","2","1") = "8"
    & skf18("9","2","5","8","2","3","1") = "8"
    & skf18("9","2","5","8","2","4","1") = "8"
    & skf18("9","2","5","8","2","5","1") = "8"
    & skf18("9","2","5","8","2","6","1") = "8"
    & skf18("9","2","5","8","2","7","1") = "8"
    & skf18("9","2","5","8","2","8","1") = "8"
    & skf18("9","2","5","8","2","9","1") = "8"
    & skf18("9","2","5","8","2","10","1") = "9"
    & skf18("9","2","5","8","3","1","1") = "8"
    & skf18("9","2","5","8","3","2","1") = "8"
    & skf18("9","2","5","8","3","3","1") = "8"
    & skf18("9","2","5","8","3","4","1") = "8"
    & skf18("9","2","5","8","3","5","1") = "8"
    & skf18("9","2","5","8","3","6","1") = "8"
    & skf18("9","2","5","8","3","7","1") = "8"
    & skf18("9","2","5","8","3","8","1") = "8"
    & skf18("9","2","5","8","3","9","1") = "8"
    & skf18("9","2","5","8","3","10","1") = "9"
    & skf18("9","2","5","8","4","1","1") = "8"
    & skf18("9","2","5","8","4","2","1") = "8"
    & skf18("9","2","5","8","4","3","1") = "8"
    & skf18("9","2","5","8","4","4","1") = "8"
    & skf18("9","2","5","8","4","5","1") = "8"
    & skf18("9","2","5","8","4","6","1") = "8"
    & skf18("9","2","5","8","4","7","1") = "8"
    & skf18("9","2","5","8","4","8","1") = "8"
    & skf18("9","2","5","8","4","9","1") = "8"
    & skf18("9","2","5","8","4","10","1") = "9"
    & skf18("9","2","5","8","5","1","1") = "8"
    & skf18("9","2","5","8","5","2","1") = "8"
    & skf18("9","2","5","8","5","3","1") = "8"
    & skf18("9","2","5","8","5","4","1") = "8"
    & skf18("9","2","5","8","5","5","1") = "8"
    & skf18("9","2","5","8","5","6","1") = "8"
    & skf18("9","2","5","8","5","7","1") = "8"
    & skf18("9","2","5","8","5","8","1") = "8"
    & skf18("9","2","5","8","5","9","1") = "8"
    & skf18("9","2","5","8","5","10","1") = "9"
    & skf18("9","2","5","8","6","1","1") = "8"
    & skf18("9","2","5","8","6","2","1") = "8"
    & skf18("9","2","5","8","6","3","1") = "8"
    & skf18("9","2","5","8","6","4","1") = "8"
    & skf18("9","2","5","8","6","5","1") = "8"
    & skf18("9","2","5","8","6","6","1") = "8"
    & skf18("9","2","5","8","6","7","1") = "8"
    & skf18("9","2","5","8","6","8","1") = "8"
    & skf18("9","2","5","8","6","9","1") = "8"
    & skf18("9","2","5","8","6","10","1") = "9"
    & skf18("9","2","5","8","7","1","1") = "8"
    & skf18("9","2","5","8","7","2","1") = "8"
    & skf18("9","2","5","8","7","3","1") = "8"
    & skf18("9","2","5","8","7","4","1") = "8"
    & skf18("9","2","5","8","7","5","1") = "8"
    & skf18("9","2","5","8","7","6","1") = "8"
    & skf18("9","2","5","8","7","7","1") = "8"
    & skf18("9","2","5","8","7","8","1") = "8"
    & skf18("9","2","5","8","7","9","1") = "8"
    & skf18("9","2","5","8","7","10","1") = "9"
    & skf18("9","2","5","8","8","1","1") = "8"
    & skf18("9","2","5","8","8","2","1") = "8"
    & skf18("9","2","5","8","8","3","1") = "8"
    & skf18("9","2","5","8","8","4","1") = "8"
    & skf18("9","2","5","8","8","5","1") = "8"
    & skf18("9","2","5","8","8","6","1") = "8"
    & skf18("9","2","5","8","8","7","1") = "8"
    & skf18("9","2","5","8","8","8","1") = "8"
    & skf18("9","2","5","8","8","9","1") = "8"
    & skf18("9","2","5","8","8","10","1") = "9"
    & skf18("9","2","5","8","9","1","1") = "8"
    & skf18("9","2","5","8","9","2","1") = "8"
    & skf18("9","2","5","8","9","3","1") = "8"
    & skf18("9","2","5","8","9","4","1") = "8"
    & skf18("9","2","5","8","9","5","1") = "8"
    & skf18("9","2","5","8","9","6","1") = "8"
    & skf18("9","2","5","8","9","7","1") = "8"
    & skf18("9","2","5","8","9","8","1") = "8"
    & skf18("9","2","5","8","9","9","1") = "8"
    & skf18("9","2","5","8","9","10","1") = "9"
    & skf18("9","2","5","8","10","1","1") = "9"
    & skf18("9","2","5","8","10","2","1") = "9"
    & skf18("9","2","5","8","10","3","1") = "9"
    & skf18("9","2","5","8","10","4","1") = "9"
    & skf18("9","2","5","8","10","5","1") = "9"
    & skf18("9","2","5","8","10","6","1") = "9"
    & skf18("9","2","5","8","10","7","1") = "9"
    & skf18("9","2","5","8","10","8","1") = "9"
    & skf18("9","2","5","8","10","9","1") = "9"
    & skf18("9","2","5","8","10","10","1") = "9"
    & skf18("9","2","5","9","1","1","1") = "8"
    & skf18("9","2","5","9","1","2","1") = "8"
    & skf18("9","2","5","9","1","3","1") = "8"
    & skf18("9","2","5","9","1","4","1") = "8"
    & skf18("9","2","5","9","1","5","1") = "8"
    & skf18("9","2","5","9","1","6","1") = "8"
    & skf18("9","2","5","9","1","7","1") = "8"
    & skf18("9","2","5","9","1","8","1") = "8"
    & skf18("9","2","5","9","1","9","1") = "8"
    & skf18("9","2","5","9","1","10","1") = "9"
    & skf18("9","2","5","9","2","1","1") = "8"
    & skf18("9","2","5","9","2","2","1") = "8"
    & skf18("9","2","5","9","2","3","1") = "8"
    & skf18("9","2","5","9","2","4","1") = "8"
    & skf18("9","2","5","9","2","5","1") = "8"
    & skf18("9","2","5","9","2","6","1") = "8"
    & skf18("9","2","5","9","2","7","1") = "8"
    & skf18("9","2","5","9","2","8","1") = "8"
    & skf18("9","2","5","9","2","9","1") = "8"
    & skf18("9","2","5","9","2","10","1") = "9"
    & skf18("9","2","5","9","3","1","1") = "8"
    & skf18("9","2","5","9","3","2","1") = "8"
    & skf18("9","2","5","9","3","3","1") = "8"
    & skf18("9","2","5","9","3","4","1") = "8"
    & skf18("9","2","5","9","3","5","1") = "8"
    & skf18("9","2","5","9","3","6","1") = "8"
    & skf18("9","2","5","9","3","7","1") = "8"
    & skf18("9","2","5","9","3","8","1") = "8"
    & skf18("9","2","5","9","3","9","1") = "8"
    & skf18("9","2","5","9","3","10","1") = "9"
    & skf18("9","2","5","9","4","1","1") = "8"
    & skf18("9","2","5","9","4","2","1") = "8"
    & skf18("9","2","5","9","4","3","1") = "8"
    & skf18("9","2","5","9","4","4","1") = "8"
    & skf18("9","2","5","9","4","5","1") = "8"
    & skf18("9","2","5","9","4","6","1") = "8"
    & skf18("9","2","5","9","4","7","1") = "8"
    & skf18("9","2","5","9","4","8","1") = "8"
    & skf18("9","2","5","9","4","9","1") = "8"
    & skf18("9","2","5","9","4","10","1") = "9"
    & skf18("9","2","5","9","5","1","1") = "8"
    & skf18("9","2","5","9","5","2","1") = "8"
    & skf18("9","2","5","9","5","3","1") = "8"
    & skf18("9","2","5","9","5","4","1") = "8"
    & skf18("9","2","5","9","5","5","1") = "8"
    & skf18("9","2","5","9","5","6","1") = "8"
    & skf18("9","2","5","9","5","7","1") = "8"
    & skf18("9","2","5","9","5","8","1") = "8"
    & skf18("9","2","5","9","5","9","1") = "8"
    & skf18("9","2","5","9","5","10","1") = "9"
    & skf18("9","2","5","9","6","1","1") = "8"
    & skf18("9","2","5","9","6","2","1") = "8"
    & skf18("9","2","5","9","6","3","1") = "8"
    & skf18("9","2","5","9","6","4","1") = "8"
    & skf18("9","2","5","9","6","5","1") = "8"
    & skf18("9","2","5","9","6","6","1") = "8"
    & skf18("9","2","5","9","6","7","1") = "8"
    & skf18("9","2","5","9","6","8","1") = "8"
    & skf18("9","2","5","9","6","9","1") = "8"
    & skf18("9","2","5","9","6","10","1") = "9"
    & skf18("9","2","5","9","7","1","1") = "8"
    & skf18("9","2","5","9","7","2","1") = "8"
    & skf18("9","2","5","9","7","3","1") = "8"
    & skf18("9","2","5","9","7","4","1") = "8"
    & skf18("9","2","5","9","7","5","1") = "8"
    & skf18("9","2","5","9","7","6","1") = "8"
    & skf18("9","2","5","9","7","7","1") = "8"
    & skf18("9","2","5","9","7","8","1") = "8"
    & skf18("9","2","5","9","7","9","1") = "8"
    & skf18("9","2","5","9","7","10","1") = "9"
    & skf18("9","2","5","9","8","1","1") = "8"
    & skf18("9","2","5","9","8","2","1") = "8"
    & skf18("9","2","5","9","8","3","1") = "8"
    & skf18("9","2","5","9","8","4","1") = "8"
    & skf18("9","2","5","9","8","5","1") = "8"
    & skf18("9","2","5","9","8","6","1") = "8"
    & skf18("9","2","5","9","8","7","1") = "8"
    & skf18("9","2","5","9","8","8","1") = "8"
    & skf18("9","2","5","9","8","9","1") = "8"
    & skf18("9","2","5","9","8","10","1") = "9"
    & skf18("9","2","5","9","9","1","1") = "8"
    & skf18("9","2","5","9","9","2","1") = "8"
    & skf18("9","2","5","9","9","3","1") = "8"
    & skf18("9","2","5","9","9","4","1") = "8"
    & skf18("9","2","5","9","9","5","1") = "8"
    & skf18("9","2","5","9","9","6","1") = "8"
    & skf18("9","2","5","9","9","7","1") = "8"
    & skf18("9","2","5","9","9","8","1") = "8"
    & skf18("9","2","5","9","9","9","1") = "8"
    & skf18("9","2","5","9","9","10","1") = "9"
    & skf18("9","2","5","9","10","1","1") = "9"
    & skf18("9","2","5","9","10","2","1") = "9"
    & skf18("9","2","5","9","10","3","1") = "9"
    & skf18("9","2","5","9","10","4","1") = "9"
    & skf18("9","2","5","9","10","5","1") = "9"
    & skf18("9","2","5","9","10","6","1") = "9"
    & skf18("9","2","5","9","10","7","1") = "9"
    & skf18("9","2","5","9","10","8","1") = "9"
    & skf18("9","2","5","9","10","9","1") = "9"
    & skf18("9","2","5","9","10","10","1") = "9"
    & skf18("9","2","5","10","1","1","1") = "9"
    & skf18("9","2","5","10","1","2","1") = "9"
    & skf18("9","2","5","10","1","3","1") = "9"
    & skf18("9","2","5","10","1","4","1") = "9"
    & skf18("9","2","5","10","1","5","1") = "9"
    & skf18("9","2","5","10","1","6","1") = "9"
    & skf18("9","2","5","10","1","7","1") = "9"
    & skf18("9","2","5","10","1","8","1") = "9"
    & skf18("9","2","5","10","1","9","1") = "9"
    & skf18("9","2","5","10","1","10","1") = "9"
    & skf18("9","2","5","10","2","1","1") = "9"
    & skf18("9","2","5","10","2","2","1") = "9"
    & skf18("9","2","5","10","2","3","1") = "9"
    & skf18("9","2","5","10","2","4","1") = "9"
    & skf18("9","2","5","10","2","5","1") = "9"
    & skf18("9","2","5","10","2","6","1") = "9"
    & skf18("9","2","5","10","2","7","1") = "9"
    & skf18("9","2","5","10","2","8","1") = "9"
    & skf18("9","2","5","10","2","9","1") = "9"
    & skf18("9","2","5","10","2","10","1") = "9"
    & skf18("9","2","5","10","3","1","1") = "9"
    & skf18("9","2","5","10","3","2","1") = "9"
    & skf18("9","2","5","10","3","3","1") = "9"
    & skf18("9","2","5","10","3","4","1") = "9"
    & skf18("9","2","5","10","3","5","1") = "9"
    & skf18("9","2","5","10","3","6","1") = "9"
    & skf18("9","2","5","10","3","7","1") = "9"
    & skf18("9","2","5","10","3","8","1") = "9"
    & skf18("9","2","5","10","3","9","1") = "9"
    & skf18("9","2","5","10","3","10","1") = "9"
    & skf18("9","2","5","10","4","1","1") = "9"
    & skf18("9","2","5","10","4","2","1") = "9"
    & skf18("9","2","5","10","4","3","1") = "9"
    & skf18("9","2","5","10","4","4","1") = "9"
    & skf18("9","2","5","10","4","5","1") = "9"
    & skf18("9","2","5","10","4","6","1") = "9"
    & skf18("9","2","5","10","4","7","1") = "9"
    & skf18("9","2","5","10","4","8","1") = "9"
    & skf18("9","2","5","10","4","9","1") = "9"
    & skf18("9","2","5","10","4","10","1") = "9"
    & skf18("9","2","5","10","5","1","1") = "9"
    & skf18("9","2","5","10","5","2","1") = "9"
    & skf18("9","2","5","10","5","3","1") = "9"
    & skf18("9","2","5","10","5","4","1") = "9"
    & skf18("9","2","5","10","5","5","1") = "9"
    & skf18("9","2","5","10","5","6","1") = "9"
    & skf18("9","2","5","10","5","7","1") = "9"
    & skf18("9","2","5","10","5","8","1") = "9"
    & skf18("9","2","5","10","5","9","1") = "9"
    & skf18("9","2","5","10","5","10","1") = "9"
    & skf18("9","2","5","10","6","1","1") = "9"
    & skf18("9","2","5","10","6","2","1") = "9"
    & skf18("9","2","5","10","6","3","1") = "9"
    & skf18("9","2","5","10","6","4","1") = "9"
    & skf18("9","2","5","10","6","5","1") = "9"
    & skf18("9","2","5","10","6","6","1") = "9"
    & skf18("9","2","5","10","6","7","1") = "9"
    & skf18("9","2","5","10","6","8","1") = "9"
    & skf18("9","2","5","10","6","9","1") = "9"
    & skf18("9","2","5","10","6","10","1") = "9"
    & skf18("9","2","5","10","7","1","1") = "9"
    & skf18("9","2","5","10","7","2","1") = "9"
    & skf18("9","2","5","10","7","3","1") = "9"
    & skf18("9","2","5","10","7","4","1") = "9"
    & skf18("9","2","5","10","7","5","1") = "9"
    & skf18("9","2","5","10","7","6","1") = "9"
    & skf18("9","2","5","10","7","7","1") = "9"
    & skf18("9","2","5","10","7","8","1") = "9"
    & skf18("9","2","5","10","7","9","1") = "9"
    & skf18("9","2","5","10","7","10","1") = "9"
    & skf18("9","2","5","10","8","1","1") = "9"
    & skf18("9","2","5","10","8","2","1") = "9"
    & skf18("9","2","5","10","8","3","1") = "9"
    & skf18("9","2","5","10","8","4","1") = "9"
    & skf18("9","2","5","10","8","5","1") = "9"
    & skf18("9","2","5","10","8","6","1") = "9"
    & skf18("9","2","5","10","8","7","1") = "9"
    & skf18("9","2","5","10","8","8","1") = "9"
    & skf18("9","2","5","10","8","9","1") = "9"
    & skf18("9","2","5","10","8","10","1") = "9"
    & skf18("9","2","5","10","9","1","1") = "9"
    & skf18("9","2","5","10","9","2","1") = "9"
    & skf18("9","2","5","10","9","3","1") = "9"
    & skf18("9","2","5","10","9","4","1") = "9"
    & skf18("9","2","5","10","9","5","1") = "9"
    & skf18("9","2","5","10","9","6","1") = "9"
    & skf18("9","2","5","10","9","7","1") = "9"
    & skf18("9","2","5","10","9","8","1") = "9"
    & skf18("9","2","5","10","9","9","1") = "9"
    & skf18("9","2","5","10","9","10","1") = "9"
    & skf18("9","2","5","10","10","1","1") = "9"
    & skf18("9","2","5","10","10","2","1") = "9"
    & skf18("9","2","5","10","10","3","1") = "9"
    & skf18("9","2","5","10","10","4","1") = "9"
    & skf18("9","2","5","10","10","5","1") = "9"
    & skf18("9","2","5","10","10","6","1") = "9"
    & skf18("9","2","5","10","10","7","1") = "9"
    & skf18("9","2","5","10","10","8","1") = "9"
    & skf18("9","2","5","10","10","9","1") = "9"
    & skf18("9","2","5","10","10","10","1") = "9"
    & skf18("9","2","6","1","1","1","1") = "8"
    & skf18("9","2","6","1","1","2","1") = "8"
    & skf18("9","2","6","1","1","3","1") = "8"
    & skf18("9","2","6","1","1","4","1") = "8"
    & skf18("9","2","6","1","1","5","1") = "8"
    & skf18("9","2","6","1","1","6","1") = "8"
    & skf18("9","2","6","1","1","7","1") = "8"
    & skf18("9","2","6","1","1","8","1") = "8"
    & skf18("9","2","6","1","1","9","1") = "8"
    & skf18("9","2","6","1","1","10","1") = "9"
    & skf18("9","2","6","1","2","1","1") = "8"
    & skf18("9","2","6","1","2","2","1") = "8"
    & skf18("9","2","6","1","2","3","1") = "8"
    & skf18("9","2","6","1","2","4","1") = "8"
    & skf18("9","2","6","1","2","5","1") = "8"
    & skf18("9","2","6","1","2","6","1") = "8"
    & skf18("9","2","6","1","2","7","1") = "8"
    & skf18("9","2","6","1","2","8","1") = "8"
    & skf18("9","2","6","1","2","9","1") = "8"
    & skf18("9","2","6","1","2","10","1") = "9"
    & skf18("9","2","6","1","3","1","1") = "8"
    & skf18("9","2","6","1","3","2","1") = "8"
    & skf18("9","2","6","1","3","3","1") = "8"
    & skf18("9","2","6","1","3","4","1") = "8"
    & skf18("9","2","6","1","3","5","1") = "8"
    & skf18("9","2","6","1","3","6","1") = "8"
    & skf18("9","2","6","1","3","7","1") = "8"
    & skf18("9","2","6","1","3","8","1") = "8"
    & skf18("9","2","6","1","3","9","1") = "8"
    & skf18("9","2","6","1","3","10","1") = "9"
    & skf18("9","2","6","1","4","1","1") = "8"
    & skf18("9","2","6","1","4","2","1") = "8"
    & skf18("9","2","6","1","4","3","1") = "8"
    & skf18("9","2","6","1","4","4","1") = "8"
    & skf18("9","2","6","1","4","5","1") = "8"
    & skf18("9","2","6","1","4","6","1") = "8"
    & skf18("9","2","6","1","4","7","1") = "8"
    & skf18("9","2","6","1","4","8","1") = "8"
    & skf18("9","2","6","1","4","9","1") = "8"
    & skf18("9","2","6","1","4","10","1") = "9"
    & skf18("9","2","6","1","5","1","1") = "8"
    & skf18("9","2","6","1","5","2","1") = "8"
    & skf18("9","2","6","1","5","3","1") = "8"
    & skf18("9","2","6","1","5","4","1") = "8"
    & skf18("9","2","6","1","5","5","1") = "8"
    & skf18("9","2","6","1","5","6","1") = "8"
    & skf18("9","2","6","1","5","7","1") = "8"
    & skf18("9","2","6","1","5","8","1") = "8"
    & skf18("9","2","6","1","5","9","1") = "8"
    & skf18("9","2","6","1","5","10","1") = "9"
    & skf18("9","2","6","1","6","1","1") = "8"
    & skf18("9","2","6","1","6","2","1") = "8"
    & skf18("9","2","6","1","6","3","1") = "8"
    & skf18("9","2","6","1","6","4","1") = "8"
    & skf18("9","2","6","1","6","5","1") = "8"
    & skf18("9","2","6","1","6","6","1") = "8"
    & skf18("9","2","6","1","6","7","1") = "8"
    & skf18("9","2","6","1","6","8","1") = "8"
    & skf18("9","2","6","1","6","9","1") = "8"
    & skf18("9","2","6","1","6","10","1") = "9"
    & skf18("9","2","6","1","7","1","1") = "8"
    & skf18("9","2","6","1","7","2","1") = "8"
    & skf18("9","2","6","1","7","3","1") = "8"
    & skf18("9","2","6","1","7","4","1") = "8"
    & skf18("9","2","6","1","7","5","1") = "8"
    & skf18("9","2","6","1","7","6","1") = "8"
    & skf18("9","2","6","1","7","7","1") = "8"
    & skf18("9","2","6","1","7","8","1") = "8"
    & skf18("9","2","6","1","7","9","1") = "8"
    & skf18("9","2","6","1","7","10","1") = "9"
    & skf18("9","2","6","1","8","1","1") = "8"
    & skf18("9","2","6","1","8","2","1") = "8"
    & skf18("9","2","6","1","8","3","1") = "8"
    & skf18("9","2","6","1","8","4","1") = "8"
    & skf18("9","2","6","1","8","5","1") = "8"
    & skf18("9","2","6","1","8","6","1") = "8"
    & skf18("9","2","6","1","8","7","1") = "8"
    & skf18("9","2","6","1","8","8","1") = "8"
    & skf18("9","2","6","1","8","9","1") = "8"
    & skf18("9","2","6","1","8","10","1") = "9"
    & skf18("9","2","6","1","9","1","1") = "8"
    & skf18("9","2","6","1","9","2","1") = "8"
    & skf18("9","2","6","1","9","3","1") = "8"
    & skf18("9","2","6","1","9","4","1") = "8"
    & skf18("9","2","6","1","9","5","1") = "8"
    & skf18("9","2","6","1","9","6","1") = "8"
    & skf18("9","2","6","1","9","7","1") = "8"
    & skf18("9","2","6","1","9","8","1") = "8"
    & skf18("9","2","6","1","9","9","1") = "8"
    & skf18("9","2","6","1","9","10","1") = "9"
    & skf18("9","2","6","1","10","1","1") = "9"
    & skf18("9","2","6","1","10","2","1") = "9"
    & skf18("9","2","6","1","10","3","1") = "9"
    & skf18("9","2","6","1","10","4","1") = "9"
    & skf18("9","2","6","1","10","5","1") = "9"
    & skf18("9","2","6","1","10","6","1") = "9"
    & skf18("9","2","6","1","10","7","1") = "9"
    & skf18("9","2","6","1","10","8","1") = "9"
    & skf18("9","2","6","1","10","9","1") = "9"
    & skf18("9","2","6","1","10","10","1") = "9"
    & skf18("9","2","6","2","1","1","1") = "8"
    & skf18("9","2","6","2","1","2","1") = "8"
    & skf18("9","2","6","2","1","3","1") = "8"
    & skf18("9","2","6","2","1","4","1") = "8"
    & skf18("9","2","6","2","1","5","1") = "8"
    & skf18("9","2","6","2","1","6","1") = "8"
    & skf18("9","2","6","2","1","7","1") = "8"
    & skf18("9","2","6","2","1","8","1") = "8"
    & skf18("9","2","6","2","1","9","1") = "8"
    & skf18("9","2","6","2","1","10","1") = "9"
    & skf18("9","2","6","2","2","1","1") = "8"
    & skf18("9","2","6","2","2","2","1") = "8"
    & skf18("9","2","6","2","2","3","1") = "8"
    & skf18("9","2","6","2","2","4","1") = "8"
    & skf18("9","2","6","2","2","5","1") = "8"
    & skf18("9","2","6","2","2","6","1") = "8"
    & skf18("9","2","6","2","2","7","1") = "8"
    & skf18("9","2","6","2","2","8","1") = "8"
    & skf18("9","2","6","2","2","9","1") = "8"
    & skf18("9","2","6","2","2","10","1") = "9"
    & skf18("9","2","6","2","3","1","1") = "8"
    & skf18("9","2","6","2","3","2","1") = "8"
    & skf18("9","2","6","2","3","3","1") = "8"
    & skf18("9","2","6","2","3","4","1") = "8"
    & skf18("9","2","6","2","3","5","1") = "8"
    & skf18("9","2","6","2","3","6","1") = "8"
    & skf18("9","2","6","2","3","7","1") = "8"
    & skf18("9","2","6","2","3","8","1") = "8"
    & skf18("9","2","6","2","3","9","1") = "8"
    & skf18("9","2","6","2","3","10","1") = "9"
    & skf18("9","2","6","2","4","1","1") = "8"
    & skf18("9","2","6","2","4","2","1") = "8"
    & skf18("9","2","6","2","4","3","1") = "8"
    & skf18("9","2","6","2","4","4","1") = "8"
    & skf18("9","2","6","2","4","5","1") = "8"
    & skf18("9","2","6","2","4","6","1") = "8"
    & skf18("9","2","6","2","4","7","1") = "8"
    & skf18("9","2","6","2","4","8","1") = "8"
    & skf18("9","2","6","2","4","9","1") = "8"
    & skf18("9","2","6","2","4","10","1") = "9"
    & skf18("9","2","6","2","5","1","1") = "8"
    & skf18("9","2","6","2","5","2","1") = "8"
    & skf18("9","2","6","2","5","3","1") = "8"
    & skf18("9","2","6","2","5","4","1") = "8"
    & skf18("9","2","6","2","5","5","1") = "8"
    & skf18("9","2","6","2","5","6","1") = "8"
    & skf18("9","2","6","2","5","7","1") = "8"
    & skf18("9","2","6","2","5","8","1") = "8"
    & skf18("9","2","6","2","5","9","1") = "8"
    & skf18("9","2","6","2","5","10","1") = "9"
    & skf18("9","2","6","2","6","1","1") = "8"
    & skf18("9","2","6","2","6","2","1") = "8"
    & skf18("9","2","6","2","6","3","1") = "8"
    & skf18("9","2","6","2","6","4","1") = "8"
    & skf18("9","2","6","2","6","5","1") = "8"
    & skf18("9","2","6","2","6","6","1") = "8"
    & skf18("9","2","6","2","6","7","1") = "8"
    & skf18("9","2","6","2","6","8","1") = "8"
    & skf18("9","2","6","2","6","9","1") = "8"
    & skf18("9","2","6","2","6","10","1") = "9"
    & skf18("9","2","6","2","7","1","1") = "8"
    & skf18("9","2","6","2","7","2","1") = "8"
    & skf18("9","2","6","2","7","3","1") = "8"
    & skf18("9","2","6","2","7","4","1") = "8"
    & skf18("9","2","6","2","7","5","1") = "8"
    & skf18("9","2","6","2","7","6","1") = "8"
    & skf18("9","2","6","2","7","7","1") = "8"
    & skf18("9","2","6","2","7","8","1") = "8"
    & skf18("9","2","6","2","7","9","1") = "8"
    & skf18("9","2","6","2","7","10","1") = "9"
    & skf18("9","2","6","2","8","1","1") = "8"
    & skf18("9","2","6","2","8","2","1") = "8"
    & skf18("9","2","6","2","8","3","1") = "8"
    & skf18("9","2","6","2","8","4","1") = "8"
    & skf18("9","2","6","2","8","5","1") = "8"
    & skf18("9","2","6","2","8","6","1") = "8"
    & skf18("9","2","6","2","8","7","1") = "8"
    & skf18("9","2","6","2","8","8","1") = "8"
    & skf18("9","2","6","2","8","9","1") = "8"
    & skf18("9","2","6","2","8","10","1") = "9"
    & skf18("9","2","6","2","9","1","1") = "8"
    & skf18("9","2","6","2","9","2","1") = "8"
    & skf18("9","2","6","2","9","3","1") = "8"
    & skf18("9","2","6","2","9","4","1") = "8"
    & skf18("9","2","6","2","9","5","1") = "8"
    & skf18("9","2","6","2","9","6","1") = "8"
    & skf18("9","2","6","2","9","7","1") = "8"
    & skf18("9","2","6","2","9","8","1") = "8"
    & skf18("9","2","6","2","9","9","1") = "8"
    & skf18("9","2","6","2","9","10","1") = "9"
    & skf18("9","2","6","2","10","1","1") = "9"
    & skf18("9","2","6","2","10","2","1") = "9"
    & skf18("9","2","6","2","10","3","1") = "9"
    & skf18("9","2","6","2","10","4","1") = "9"
    & skf18("9","2","6","2","10","5","1") = "9"
    & skf18("9","2","6","2","10","6","1") = "9"
    & skf18("9","2","6","2","10","7","1") = "9"
    & skf18("9","2","6","2","10","8","1") = "9"
    & skf18("9","2","6","2","10","9","1") = "9"
    & skf18("9","2","6","2","10","10","1") = "9"
    & skf18("9","2","6","3","1","1","1") = "8"
    & skf18("9","2","6","3","1","2","1") = "8"
    & skf18("9","2","6","3","1","3","1") = "8"
    & skf18("9","2","6","3","1","4","1") = "8"
    & skf18("9","2","6","3","1","5","1") = "8"
    & skf18("9","2","6","3","1","6","1") = "8"
    & skf18("9","2","6","3","1","7","1") = "8"
    & skf18("9","2","6","3","1","8","1") = "8"
    & skf18("9","2","6","3","1","9","1") = "8"
    & skf18("9","2","6","3","1","10","1") = "9"
    & skf18("9","2","6","3","2","1","1") = "8"
    & skf18("9","2","6","3","2","2","1") = "8"
    & skf18("9","2","6","3","2","3","1") = "8"
    & skf18("9","2","6","3","2","4","1") = "8"
    & skf18("9","2","6","3","2","5","1") = "8"
    & skf18("9","2","6","3","2","6","1") = "8"
    & skf18("9","2","6","3","2","7","1") = "8"
    & skf18("9","2","6","3","2","8","1") = "8"
    & skf18("9","2","6","3","2","9","1") = "8"
    & skf18("9","2","6","3","2","10","1") = "9"
    & skf18("9","2","6","3","3","1","1") = "8"
    & skf18("9","2","6","3","3","2","1") = "8"
    & skf18("9","2","6","3","3","3","1") = "8"
    & skf18("9","2","6","3","3","4","1") = "8"
    & skf18("9","2","6","3","3","5","1") = "8"
    & skf18("9","2","6","3","3","6","1") = "8"
    & skf18("9","2","6","3","3","7","1") = "8"
    & skf18("9","2","6","3","3","8","1") = "8"
    & skf18("9","2","6","3","3","9","1") = "8"
    & skf18("9","2","6","3","3","10","1") = "9"
    & skf18("9","2","6","3","4","1","1") = "8"
    & skf18("9","2","6","3","4","2","1") = "8"
    & skf18("9","2","6","3","4","3","1") = "8"
    & skf18("9","2","6","3","4","4","1") = "8"
    & skf18("9","2","6","3","4","5","1") = "8"
    & skf18("9","2","6","3","4","6","1") = "8"
    & skf18("9","2","6","3","4","7","1") = "8"
    & skf18("9","2","6","3","4","8","1") = "8"
    & skf18("9","2","6","3","4","9","1") = "8"
    & skf18("9","2","6","3","4","10","1") = "9"
    & skf18("9","2","6","3","5","1","1") = "8"
    & skf18("9","2","6","3","5","2","1") = "8"
    & skf18("9","2","6","3","5","3","1") = "8"
    & skf18("9","2","6","3","5","4","1") = "8"
    & skf18("9","2","6","3","5","5","1") = "8"
    & skf18("9","2","6","3","5","6","1") = "8"
    & skf18("9","2","6","3","5","7","1") = "8"
    & skf18("9","2","6","3","5","8","1") = "8"
    & skf18("9","2","6","3","5","9","1") = "8"
    & skf18("9","2","6","3","5","10","1") = "9"
    & skf18("9","2","6","3","6","1","1") = "8"
    & skf18("9","2","6","3","6","2","1") = "8"
    & skf18("9","2","6","3","6","3","1") = "8"
    & skf18("9","2","6","3","6","4","1") = "8"
    & skf18("9","2","6","3","6","5","1") = "8"
    & skf18("9","2","6","3","6","6","1") = "8"
    & skf18("9","2","6","3","6","7","1") = "8"
    & skf18("9","2","6","3","6","8","1") = "8"
    & skf18("9","2","6","3","6","9","1") = "8"
    & skf18("9","2","6","3","6","10","1") = "9"
    & skf18("9","2","6","3","7","1","1") = "8"
    & skf18("9","2","6","3","7","2","1") = "8"
    & skf18("9","2","6","3","7","3","1") = "8"
    & skf18("9","2","6","3","7","4","1") = "8"
    & skf18("9","2","6","3","7","5","1") = "8"
    & skf18("9","2","6","3","7","6","1") = "8"
    & skf18("9","2","6","3","7","7","1") = "8"
    & skf18("9","2","6","3","7","8","1") = "8"
    & skf18("9","2","6","3","7","9","1") = "8"
    & skf18("9","2","6","3","7","10","1") = "9"
    & skf18("9","2","6","3","8","1","1") = "8"
    & skf18("9","2","6","3","8","2","1") = "8"
    & skf18("9","2","6","3","8","3","1") = "8"
    & skf18("9","2","6","3","8","4","1") = "8"
    & skf18("9","2","6","3","8","5","1") = "8"
    & skf18("9","2","6","3","8","6","1") = "8"
    & skf18("9","2","6","3","8","7","1") = "8"
    & skf18("9","2","6","3","8","8","1") = "8"
    & skf18("9","2","6","3","8","9","1") = "8"
    & skf18("9","2","6","3","8","10","1") = "9"
    & skf18("9","2","6","3","9","1","1") = "8"
    & skf18("9","2","6","3","9","2","1") = "8"
    & skf18("9","2","6","3","9","3","1") = "8"
    & skf18("9","2","6","3","9","4","1") = "8"
    & skf18("9","2","6","3","9","5","1") = "8"
    & skf18("9","2","6","3","9","6","1") = "8"
    & skf18("9","2","6","3","9","7","1") = "8"
    & skf18("9","2","6","3","9","8","1") = "8"
    & skf18("9","2","6","3","9","9","1") = "8"
    & skf18("9","2","6","3","9","10","1") = "9"
    & skf18("9","2","6","3","10","1","1") = "9"
    & skf18("9","2","6","3","10","2","1") = "9"
    & skf18("9","2","6","3","10","3","1") = "9"
    & skf18("9","2","6","3","10","4","1") = "9"
    & skf18("9","2","6","3","10","5","1") = "9"
    & skf18("9","2","6","3","10","6","1") = "9"
    & skf18("9","2","6","3","10","7","1") = "9"
    & skf18("9","2","6","3","10","8","1") = "9"
    & skf18("9","2","6","3","10","9","1") = "9"
    & skf18("9","2","6","3","10","10","1") = "9"
    & skf18("9","2","6","4","1","1","1") = "8"
    & skf18("9","2","6","4","1","2","1") = "8"
    & skf18("9","2","6","4","1","3","1") = "8"
    & skf18("9","2","6","4","1","4","1") = "8"
    & skf18("9","2","6","4","1","5","1") = "8"
    & skf18("9","2","6","4","1","6","1") = "8"
    & skf18("9","2","6","4","1","7","1") = "8"
    & skf18("9","2","6","4","1","8","1") = "8"
    & skf18("9","2","6","4","1","9","1") = "8"
    & skf18("9","2","6","4","1","10","1") = "9"
    & skf18("9","2","6","4","2","1","1") = "8"
    & skf18("9","2","6","4","2","2","1") = "8"
    & skf18("9","2","6","4","2","3","1") = "8"
    & skf18("9","2","6","4","2","4","1") = "8"
    & skf18("9","2","6","4","2","5","1") = "8"
    & skf18("9","2","6","4","2","6","1") = "8"
    & skf18("9","2","6","4","2","7","1") = "8"
    & skf18("9","2","6","4","2","8","1") = "8"
    & skf18("9","2","6","4","2","9","1") = "8"
    & skf18("9","2","6","4","2","10","1") = "9"
    & skf18("9","2","6","4","3","1","1") = "8"
    & skf18("9","2","6","4","3","2","1") = "8"
    & skf18("9","2","6","4","3","3","1") = "8"
    & skf18("9","2","6","4","3","4","1") = "8"
    & skf18("9","2","6","4","3","5","1") = "8"
    & skf18("9","2","6","4","3","6","1") = "8"
    & skf18("9","2","6","4","3","7","1") = "8"
    & skf18("9","2","6","4","3","8","1") = "8"
    & skf18("9","2","6","4","3","9","1") = "8"
    & skf18("9","2","6","4","3","10","1") = "9"
    & skf18("9","2","6","4","4","1","1") = "8"
    & skf18("9","2","6","4","4","2","1") = "8"
    & skf18("9","2","6","4","4","3","1") = "8"
    & skf18("9","2","6","4","4","4","1") = "8"
    & skf18("9","2","6","4","4","5","1") = "8"
    & skf18("9","2","6","4","4","6","1") = "8"
    & skf18("9","2","6","4","4","7","1") = "8"
    & skf18("9","2","6","4","4","8","1") = "8"
    & skf18("9","2","6","4","4","9","1") = "8"
    & skf18("9","2","6","4","4","10","1") = "9"
    & skf18("9","2","6","4","5","1","1") = "8"
    & skf18("9","2","6","4","5","2","1") = "8"
    & skf18("9","2","6","4","5","3","1") = "8"
    & skf18("9","2","6","4","5","4","1") = "8"
    & skf18("9","2","6","4","5","5","1") = "8"
    & skf18("9","2","6","4","5","6","1") = "8"
    & skf18("9","2","6","4","5","7","1") = "8"
    & skf18("9","2","6","4","5","8","1") = "8"
    & skf18("9","2","6","4","5","9","1") = "8"
    & skf18("9","2","6","4","5","10","1") = "9"
    & skf18("9","2","6","4","6","1","1") = "8"
    & skf18("9","2","6","4","6","2","1") = "8"
    & skf18("9","2","6","4","6","3","1") = "8"
    & skf18("9","2","6","4","6","4","1") = "8"
    & skf18("9","2","6","4","6","5","1") = "8"
    & skf18("9","2","6","4","6","6","1") = "8"
    & skf18("9","2","6","4","6","7","1") = "8"
    & skf18("9","2","6","4","6","8","1") = "8"
    & skf18("9","2","6","4","6","9","1") = "8"
    & skf18("9","2","6","4","6","10","1") = "9"
    & skf18("9","2","6","4","7","1","1") = "8"
    & skf18("9","2","6","4","7","2","1") = "8"
    & skf18("9","2","6","4","7","3","1") = "8"
    & skf18("9","2","6","4","7","4","1") = "8"
    & skf18("9","2","6","4","7","5","1") = "8"
    & skf18("9","2","6","4","7","6","1") = "8"
    & skf18("9","2","6","4","7","7","1") = "8"
    & skf18("9","2","6","4","7","8","1") = "8"
    & skf18("9","2","6","4","7","9","1") = "8"
    & skf18("9","2","6","4","7","10","1") = "9"
    & skf18("9","2","6","4","8","1","1") = "8"
    & skf18("9","2","6","4","8","2","1") = "8"
    & skf18("9","2","6","4","8","3","1") = "8"
    & skf18("9","2","6","4","8","4","1") = "8"
    & skf18("9","2","6","4","8","5","1") = "8"
    & skf18("9","2","6","4","8","6","1") = "8"
    & skf18("9","2","6","4","8","7","1") = "8"
    & skf18("9","2","6","4","8","8","1") = "8"
    & skf18("9","2","6","4","8","9","1") = "8"
    & skf18("9","2","6","4","8","10","1") = "9"
    & skf18("9","2","6","4","9","1","1") = "8"
    & skf18("9","2","6","4","9","2","1") = "8"
    & skf18("9","2","6","4","9","3","1") = "8"
    & skf18("9","2","6","4","9","4","1") = "8"
    & skf18("9","2","6","4","9","5","1") = "8"
    & skf18("9","2","6","4","9","6","1") = "8"
    & skf18("9","2","6","4","9","7","1") = "8"
    & skf18("9","2","6","4","9","8","1") = "8"
    & skf18("9","2","6","4","9","9","1") = "8"
    & skf18("9","2","6","4","9","10","1") = "9"
    & skf18("9","2","6","4","10","1","1") = "9"
    & skf18("9","2","6","4","10","2","1") = "9"
    & skf18("9","2","6","4","10","3","1") = "9"
    & skf18("9","2","6","4","10","4","1") = "9"
    & skf18("9","2","6","4","10","5","1") = "9"
    & skf18("9","2","6","4","10","6","1") = "9"
    & skf18("9","2","6","4","10","7","1") = "9"
    & skf18("9","2","6","4","10","8","1") = "9"
    & skf18("9","2","6","4","10","9","1") = "9"
    & skf18("9","2","6","4","10","10","1") = "9"
    & skf18("9","2","6","5","1","1","1") = "8"
    & skf18("9","2","6","5","1","2","1") = "8"
    & skf18("9","2","6","5","1","3","1") = "8"
    & skf18("9","2","6","5","1","4","1") = "8"
    & skf18("9","2","6","5","1","5","1") = "8"
    & skf18("9","2","6","5","1","6","1") = "8"
    & skf18("9","2","6","5","1","7","1") = "8"
    & skf18("9","2","6","5","1","8","1") = "8"
    & skf18("9","2","6","5","1","9","1") = "8"
    & skf18("9","2","6","5","1","10","1") = "9"
    & skf18("9","2","6","5","2","1","1") = "8"
    & skf18("9","2","6","5","2","2","1") = "8"
    & skf18("9","2","6","5","2","3","1") = "8"
    & skf18("9","2","6","5","2","4","1") = "8"
    & skf18("9","2","6","5","2","5","1") = "8"
    & skf18("9","2","6","5","2","6","1") = "8"
    & skf18("9","2","6","5","2","7","1") = "8"
    & skf18("9","2","6","5","2","8","1") = "8"
    & skf18("9","2","6","5","2","9","1") = "8"
    & skf18("9","2","6","5","2","10","1") = "9"
    & skf18("9","2","6","5","3","1","1") = "8"
    & skf18("9","2","6","5","3","2","1") = "8"
    & skf18("9","2","6","5","3","3","1") = "8"
    & skf18("9","2","6","5","3","4","1") = "8"
    & skf18("9","2","6","5","3","5","1") = "8"
    & skf18("9","2","6","5","3","6","1") = "8"
    & skf18("9","2","6","5","3","7","1") = "8"
    & skf18("9","2","6","5","3","8","1") = "8"
    & skf18("9","2","6","5","3","9","1") = "8"
    & skf18("9","2","6","5","3","10","1") = "9"
    & skf18("9","2","6","5","4","1","1") = "8"
    & skf18("9","2","6","5","4","2","1") = "8"
    & skf18("9","2","6","5","4","3","1") = "8"
    & skf18("9","2","6","5","4","4","1") = "8"
    & skf18("9","2","6","5","4","5","1") = "8"
    & skf18("9","2","6","5","4","6","1") = "8"
    & skf18("9","2","6","5","4","7","1") = "8"
    & skf18("9","2","6","5","4","8","1") = "8"
    & skf18("9","2","6","5","4","9","1") = "8"
    & skf18("9","2","6","5","4","10","1") = "9"
    & skf18("9","2","6","5","5","1","1") = "8"
    & skf18("9","2","6","5","5","2","1") = "8"
    & skf18("9","2","6","5","5","3","1") = "8"
    & skf18("9","2","6","5","5","4","1") = "8"
    & skf18("9","2","6","5","5","5","1") = "8"
    & skf18("9","2","6","5","5","6","1") = "8"
    & skf18("9","2","6","5","5","7","1") = "8"
    & skf18("9","2","6","5","5","8","1") = "8"
    & skf18("9","2","6","5","5","9","1") = "8"
    & skf18("9","2","6","5","5","10","1") = "9"
    & skf18("9","2","6","5","6","1","1") = "8"
    & skf18("9","2","6","5","6","2","1") = "8"
    & skf18("9","2","6","5","6","3","1") = "8"
    & skf18("9","2","6","5","6","4","1") = "8"
    & skf18("9","2","6","5","6","5","1") = "8"
    & skf18("9","2","6","5","6","6","1") = "8"
    & skf18("9","2","6","5","6","7","1") = "8"
    & skf18("9","2","6","5","6","8","1") = "8"
    & skf18("9","2","6","5","6","9","1") = "8"
    & skf18("9","2","6","5","6","10","1") = "9"
    & skf18("9","2","6","5","7","1","1") = "8"
    & skf18("9","2","6","5","7","2","1") = "8"
    & skf18("9","2","6","5","7","3","1") = "8"
    & skf18("9","2","6","5","7","4","1") = "8"
    & skf18("9","2","6","5","7","5","1") = "8"
    & skf18("9","2","6","5","7","6","1") = "8"
    & skf18("9","2","6","5","7","7","1") = "8"
    & skf18("9","2","6","5","7","8","1") = "8"
    & skf18("9","2","6","5","7","9","1") = "8"
    & skf18("9","2","6","5","7","10","1") = "9"
    & skf18("9","2","6","5","8","1","1") = "8"
    & skf18("9","2","6","5","8","2","1") = "8"
    & skf18("9","2","6","5","8","3","1") = "8"
    & skf18("9","2","6","5","8","4","1") = "8"
    & skf18("9","2","6","5","8","5","1") = "8"
    & skf18("9","2","6","5","8","6","1") = "8"
    & skf18("9","2","6","5","8","7","1") = "8"
    & skf18("9","2","6","5","8","8","1") = "8"
    & skf18("9","2","6","5","8","9","1") = "8"
    & skf18("9","2","6","5","8","10","1") = "9"
    & skf18("9","2","6","5","9","1","1") = "8"
    & skf18("9","2","6","5","9","2","1") = "8"
    & skf18("9","2","6","5","9","3","1") = "8"
    & skf18("9","2","6","5","9","4","1") = "8"
    & skf18("9","2","6","5","9","5","1") = "8"
    & skf18("9","2","6","5","9","6","1") = "8"
    & skf18("9","2","6","5","9","7","1") = "8"
    & skf18("9","2","6","5","9","8","1") = "8"
    & skf18("9","2","6","5","9","9","1") = "8"
    & skf18("9","2","6","5","9","10","1") = "9"
    & skf18("9","2","6","5","10","1","1") = "9"
    & skf18("9","2","6","5","10","2","1") = "9"
    & skf18("9","2","6","5","10","3","1") = "9"
    & skf18("9","2","6","5","10","4","1") = "9"
    & skf18("9","2","6","5","10","5","1") = "9"
    & skf18("9","2","6","5","10","6","1") = "9"
    & skf18("9","2","6","5","10","7","1") = "9"
    & skf18("9","2","6","5","10","8","1") = "9"
    & skf18("9","2","6","5","10","9","1") = "9"
    & skf18("9","2","6","5","10","10","1") = "9"
    & skf18("9","2","6","6","1","1","1") = "8"
    & skf18("9","2","6","6","1","2","1") = "8"
    & skf18("9","2","6","6","1","3","1") = "8"
    & skf18("9","2","6","6","1","4","1") = "8"
    & skf18("9","2","6","6","1","5","1") = "8"
    & skf18("9","2","6","6","1","6","1") = "8"
    & skf18("9","2","6","6","1","7","1") = "8"
    & skf18("9","2","6","6","1","8","1") = "8"
    & skf18("9","2","6","6","1","9","1") = "8"
    & skf18("9","2","6","6","1","10","1") = "9"
    & skf18("9","2","6","6","2","1","1") = "8"
    & skf18("9","2","6","6","2","2","1") = "8"
    & skf18("9","2","6","6","2","3","1") = "8"
    & skf18("9","2","6","6","2","4","1") = "8"
    & skf18("9","2","6","6","2","5","1") = "8"
    & skf18("9","2","6","6","2","6","1") = "8"
    & skf18("9","2","6","6","2","7","1") = "8"
    & skf18("9","2","6","6","2","8","1") = "8"
    & skf18("9","2","6","6","2","9","1") = "8"
    & skf18("9","2","6","6","2","10","1") = "9"
    & skf18("9","2","6","6","3","1","1") = "8"
    & skf18("9","2","6","6","3","2","1") = "8"
    & skf18("9","2","6","6","3","3","1") = "8"
    & skf18("9","2","6","6","3","4","1") = "8"
    & skf18("9","2","6","6","3","5","1") = "8"
    & skf18("9","2","6","6","3","6","1") = "8"
    & skf18("9","2","6","6","3","7","1") = "8"
    & skf18("9","2","6","6","3","8","1") = "8"
    & skf18("9","2","6","6","3","9","1") = "8"
    & skf18("9","2","6","6","3","10","1") = "9"
    & skf18("9","2","6","6","4","1","1") = "8"
    & skf18("9","2","6","6","4","2","1") = "8"
    & skf18("9","2","6","6","4","3","1") = "8"
    & skf18("9","2","6","6","4","4","1") = "8"
    & skf18("9","2","6","6","4","5","1") = "8"
    & skf18("9","2","6","6","4","6","1") = "8"
    & skf18("9","2","6","6","4","7","1") = "8"
    & skf18("9","2","6","6","4","8","1") = "8"
    & skf18("9","2","6","6","4","9","1") = "8"
    & skf18("9","2","6","6","4","10","1") = "9"
    & skf18("9","2","6","6","5","1","1") = "8"
    & skf18("9","2","6","6","5","2","1") = "8"
    & skf18("9","2","6","6","5","3","1") = "8"
    & skf18("9","2","6","6","5","4","1") = "8"
    & skf18("9","2","6","6","5","5","1") = "8"
    & skf18("9","2","6","6","5","6","1") = "8"
    & skf18("9","2","6","6","5","7","1") = "8"
    & skf18("9","2","6","6","5","8","1") = "8"
    & skf18("9","2","6","6","5","9","1") = "8"
    & skf18("9","2","6","6","5","10","1") = "9"
    & skf18("9","2","6","6","6","1","1") = "8"
    & skf18("9","2","6","6","6","2","1") = "8"
    & skf18("9","2","6","6","6","3","1") = "8"
    & skf18("9","2","6","6","6","4","1") = "8"
    & skf18("9","2","6","6","6","5","1") = "8"
    & skf18("9","2","6","6","6","6","1") = "8"
    & skf18("9","2","6","6","6","7","1") = "8"
    & skf18("9","2","6","6","6","8","1") = "8"
    & skf18("9","2","6","6","6","9","1") = "8"
    & skf18("9","2","6","6","6","10","1") = "9"
    & skf18("9","2","6","6","7","1","1") = "8"
    & skf18("9","2","6","6","7","2","1") = "8"
    & skf18("9","2","6","6","7","3","1") = "8"
    & skf18("9","2","6","6","7","4","1") = "8"
    & skf18("9","2","6","6","7","5","1") = "8"
    & skf18("9","2","6","6","7","6","1") = "8"
    & skf18("9","2","6","6","7","7","1") = "8"
    & skf18("9","2","6","6","7","8","1") = "8"
    & skf18("9","2","6","6","7","9","1") = "8"
    & skf18("9","2","6","6","7","10","1") = "9"
    & skf18("9","2","6","6","8","1","1") = "8"
    & skf18("9","2","6","6","8","2","1") = "8"
    & skf18("9","2","6","6","8","3","1") = "8"
    & skf18("9","2","6","6","8","4","1") = "8"
    & skf18("9","2","6","6","8","5","1") = "8"
    & skf18("9","2","6","6","8","6","1") = "8"
    & skf18("9","2","6","6","8","7","1") = "8"
    & skf18("9","2","6","6","8","8","1") = "8"
    & skf18("9","2","6","6","8","9","1") = "8"
    & skf18("9","2","6","6","8","10","1") = "9"
    & skf18("9","2","6","6","9","1","1") = "8"
    & skf18("9","2","6","6","9","2","1") = "8"
    & skf18("9","2","6","6","9","3","1") = "8"
    & skf18("9","2","6","6","9","4","1") = "8"
    & skf18("9","2","6","6","9","5","1") = "8"
    & skf18("9","2","6","6","9","6","1") = "8"
    & skf18("9","2","6","6","9","7","1") = "8"
    & skf18("9","2","6","6","9","8","1") = "8"
    & skf18("9","2","6","6","9","9","1") = "8"
    & skf18("9","2","6","6","9","10","1") = "9"
    & skf18("9","2","6","6","10","1","1") = "9"
    & skf18("9","2","6","6","10","2","1") = "9"
    & skf18("9","2","6","6","10","3","1") = "9"
    & skf18("9","2","6","6","10","4","1") = "9"
    & skf18("9","2","6","6","10","5","1") = "9"
    & skf18("9","2","6","6","10","6","1") = "9"
    & skf18("9","2","6","6","10","7","1") = "9"
    & skf18("9","2","6","6","10","8","1") = "9"
    & skf18("9","2","6","6","10","9","1") = "9"
    & skf18("9","2","6","6","10","10","1") = "9"
    & skf18("9","2","6","7","1","1","1") = "8"
    & skf18("9","2","6","7","1","2","1") = "8"
    & skf18("9","2","6","7","1","3","1") = "8"
    & skf18("9","2","6","7","1","4","1") = "8"
    & skf18("9","2","6","7","1","5","1") = "8"
    & skf18("9","2","6","7","1","6","1") = "8"
    & skf18("9","2","6","7","1","7","1") = "8"
    & skf18("9","2","6","7","1","8","1") = "8"
    & skf18("9","2","6","7","1","9","1") = "8"
    & skf18("9","2","6","7","1","10","1") = "9"
    & skf18("9","2","6","7","2","1","1") = "8"
    & skf18("9","2","6","7","2","2","1") = "8"
    & skf18("9","2","6","7","2","3","1") = "8"
    & skf18("9","2","6","7","2","4","1") = "8"
    & skf18("9","2","6","7","2","5","1") = "8"
    & skf18("9","2","6","7","2","6","1") = "8"
    & skf18("9","2","6","7","2","7","1") = "8"
    & skf18("9","2","6","7","2","8","1") = "8"
    & skf18("9","2","6","7","2","9","1") = "8"
    & skf18("9","2","6","7","2","10","1") = "9"
    & skf18("9","2","6","7","3","1","1") = "8"
    & skf18("9","2","6","7","3","2","1") = "8"
    & skf18("9","2","6","7","3","3","1") = "8"
    & skf18("9","2","6","7","3","4","1") = "8"
    & skf18("9","2","6","7","3","5","1") = "8"
    & skf18("9","2","6","7","3","6","1") = "8"
    & skf18("9","2","6","7","3","7","1") = "8"
    & skf18("9","2","6","7","3","8","1") = "8"
    & skf18("9","2","6","7","3","9","1") = "8"
    & skf18("9","2","6","7","3","10","1") = "9"
    & skf18("9","2","6","7","4","1","1") = "8"
    & skf18("9","2","6","7","4","2","1") = "8"
    & skf18("9","2","6","7","4","3","1") = "8"
    & skf18("9","2","6","7","4","4","1") = "8"
    & skf18("9","2","6","7","4","5","1") = "8"
    & skf18("9","2","6","7","4","6","1") = "8"
    & skf18("9","2","6","7","4","7","1") = "8"
    & skf18("9","2","6","7","4","8","1") = "8"
    & skf18("9","2","6","7","4","9","1") = "8"
    & skf18("9","2","6","7","4","10","1") = "9"
    & skf18("9","2","6","7","5","1","1") = "8"
    & skf18("9","2","6","7","5","2","1") = "8"
    & skf18("9","2","6","7","5","3","1") = "8"
    & skf18("9","2","6","7","5","4","1") = "8"
    & skf18("9","2","6","7","5","5","1") = "8"
    & skf18("9","2","6","7","5","6","1") = "8"
    & skf18("9","2","6","7","5","7","1") = "8"
    & skf18("9","2","6","7","5","8","1") = "8"
    & skf18("9","2","6","7","5","9","1") = "8"
    & skf18("9","2","6","7","5","10","1") = "9"
    & skf18("9","2","6","7","6","1","1") = "8"
    & skf18("9","2","6","7","6","2","1") = "8"
    & skf18("9","2","6","7","6","3","1") = "8"
    & skf18("9","2","6","7","6","4","1") = "8"
    & skf18("9","2","6","7","6","5","1") = "8"
    & skf18("9","2","6","7","6","6","1") = "8"
    & skf18("9","2","6","7","6","7","1") = "8"
    & skf18("9","2","6","7","6","8","1") = "8"
    & skf18("9","2","6","7","6","9","1") = "8"
    & skf18("9","2","6","7","6","10","1") = "9"
    & skf18("9","2","6","7","7","1","1") = "8"
    & skf18("9","2","6","7","7","2","1") = "8"
    & skf18("9","2","6","7","7","3","1") = "8"
    & skf18("9","2","6","7","7","4","1") = "8"
    & skf18("9","2","6","7","7","5","1") = "8"
    & skf18("9","2","6","7","7","6","1") = "8"
    & skf18("9","2","6","7","7","7","1") = "8"
    & skf18("9","2","6","7","7","8","1") = "8"
    & skf18("9","2","6","7","7","9","1") = "8"
    & skf18("9","2","6","7","7","10","1") = "9"
    & skf18("9","2","6","7","8","1","1") = "8"
    & skf18("9","2","6","7","8","2","1") = "8"
    & skf18("9","2","6","7","8","3","1") = "8"
    & skf18("9","2","6","7","8","4","1") = "8"
    & skf18("9","2","6","7","8","5","1") = "8"
    & skf18("9","2","6","7","8","6","1") = "8"
    & skf18("9","2","6","7","8","7","1") = "8"
    & skf18("9","2","6","7","8","8","1") = "8"
    & skf18("9","2","6","7","8","9","1") = "8"
    & skf18("9","2","6","7","8","10","1") = "9"
    & skf18("9","2","6","7","9","1","1") = "8"
    & skf18("9","2","6","7","9","2","1") = "8"
    & skf18("9","2","6","7","9","3","1") = "8"
    & skf18("9","2","6","7","9","4","1") = "8"
    & skf18("9","2","6","7","9","5","1") = "8"
    & skf18("9","2","6","7","9","6","1") = "8"
    & skf18("9","2","6","7","9","7","1") = "8"
    & skf18("9","2","6","7","9","8","1") = "8"
    & skf18("9","2","6","7","9","9","1") = "8"
    & skf18("9","2","6","7","9","10","1") = "9"
    & skf18("9","2","6","7","10","1","1") = "9"
    & skf18("9","2","6","7","10","2","1") = "9"
    & skf18("9","2","6","7","10","3","1") = "9"
    & skf18("9","2","6","7","10","4","1") = "9"
    & skf18("9","2","6","7","10","5","1") = "9"
    & skf18("9","2","6","7","10","6","1") = "9"
    & skf18("9","2","6","7","10","7","1") = "9"
    & skf18("9","2","6","7","10","8","1") = "9"
    & skf18("9","2","6","7","10","9","1") = "9"
    & skf18("9","2","6","7","10","10","1") = "9"
    & skf18("9","2","6","8","1","1","1") = "8"
    & skf18("9","2","6","8","1","2","1") = "8"
    & skf18("9","2","6","8","1","3","1") = "8"
    & skf18("9","2","6","8","1","4","1") = "8"
    & skf18("9","2","6","8","1","5","1") = "8"
    & skf18("9","2","6","8","1","6","1") = "8"
    & skf18("9","2","6","8","1","7","1") = "8"
    & skf18("9","2","6","8","1","8","1") = "8"
    & skf18("9","2","6","8","1","9","1") = "8"
    & skf18("9","2","6","8","1","10","1") = "9"
    & skf18("9","2","6","8","2","1","1") = "8"
    & skf18("9","2","6","8","2","2","1") = "8"
    & skf18("9","2","6","8","2","3","1") = "8"
    & skf18("9","2","6","8","2","4","1") = "8"
    & skf18("9","2","6","8","2","5","1") = "8"
    & skf18("9","2","6","8","2","6","1") = "8"
    & skf18("9","2","6","8","2","7","1") = "8"
    & skf18("9","2","6","8","2","8","1") = "8"
    & skf18("9","2","6","8","2","9","1") = "8"
    & skf18("9","2","6","8","2","10","1") = "9"
    & skf18("9","2","6","8","3","1","1") = "8"
    & skf18("9","2","6","8","3","2","1") = "8"
    & skf18("9","2","6","8","3","3","1") = "8"
    & skf18("9","2","6","8","3","4","1") = "8"
    & skf18("9","2","6","8","3","5","1") = "8"
    & skf18("9","2","6","8","3","6","1") = "8"
    & skf18("9","2","6","8","3","7","1") = "8"
    & skf18("9","2","6","8","3","8","1") = "8"
    & skf18("9","2","6","8","3","9","1") = "8"
    & skf18("9","2","6","8","3","10","1") = "9"
    & skf18("9","2","6","8","4","1","1") = "8"
    & skf18("9","2","6","8","4","2","1") = "8"
    & skf18("9","2","6","8","4","3","1") = "8"
    & skf18("9","2","6","8","4","4","1") = "8"
    & skf18("9","2","6","8","4","5","1") = "8"
    & skf18("9","2","6","8","4","6","1") = "8"
    & skf18("9","2","6","8","4","7","1") = "8"
    & skf18("9","2","6","8","4","8","1") = "8"
    & skf18("9","2","6","8","4","9","1") = "8"
    & skf18("9","2","6","8","4","10","1") = "9"
    & skf18("9","2","6","8","5","1","1") = "8"
    & skf18("9","2","6","8","5","2","1") = "8"
    & skf18("9","2","6","8","5","3","1") = "8"
    & skf18("9","2","6","8","5","4","1") = "8"
    & skf18("9","2","6","8","5","5","1") = "8"
    & skf18("9","2","6","8","5","6","1") = "8"
    & skf18("9","2","6","8","5","7","1") = "8"
    & skf18("9","2","6","8","5","8","1") = "8"
    & skf18("9","2","6","8","5","9","1") = "8"
    & skf18("9","2","6","8","5","10","1") = "9"
    & skf18("9","2","6","8","6","1","1") = "8"
    & skf18("9","2","6","8","6","2","1") = "8"
    & skf18("9","2","6","8","6","3","1") = "8"
    & skf18("9","2","6","8","6","4","1") = "8"
    & skf18("9","2","6","8","6","5","1") = "8"
    & skf18("9","2","6","8","6","6","1") = "8"
    & skf18("9","2","6","8","6","7","1") = "8"
    & skf18("9","2","6","8","6","8","1") = "8"
    & skf18("9","2","6","8","6","9","1") = "8"
    & skf18("9","2","6","8","6","10","1") = "9"
    & skf18("9","2","6","8","7","1","1") = "8"
    & skf18("9","2","6","8","7","2","1") = "8"
    & skf18("9","2","6","8","7","3","1") = "8"
    & skf18("9","2","6","8","7","4","1") = "8"
    & skf18("9","2","6","8","7","5","1") = "8"
    & skf18("9","2","6","8","7","6","1") = "8"
    & skf18("9","2","6","8","7","7","1") = "8"
    & skf18("9","2","6","8","7","8","1") = "8"
    & skf18("9","2","6","8","7","9","1") = "8"
    & skf18("9","2","6","8","7","10","1") = "9"
    & skf18("9","2","6","8","8","1","1") = "8"
    & skf18("9","2","6","8","8","2","1") = "8"
    & skf18("9","2","6","8","8","3","1") = "8"
    & skf18("9","2","6","8","8","4","1") = "8"
    & skf18("9","2","6","8","8","5","1") = "8"
    & skf18("9","2","6","8","8","6","1") = "8"
    & skf18("9","2","6","8","8","7","1") = "8"
    & skf18("9","2","6","8","8","8","1") = "8"
    & skf18("9","2","6","8","8","9","1") = "8"
    & skf18("9","2","6","8","8","10","1") = "9"
    & skf18("9","2","6","8","9","1","1") = "8"
    & skf18("9","2","6","8","9","2","1") = "8"
    & skf18("9","2","6","8","9","3","1") = "8"
    & skf18("9","2","6","8","9","4","1") = "8"
    & skf18("9","2","6","8","9","5","1") = "8"
    & skf18("9","2","6","8","9","6","1") = "8"
    & skf18("9","2","6","8","9","7","1") = "8"
    & skf18("9","2","6","8","9","8","1") = "8"
    & skf18("9","2","6","8","9","9","1") = "8"
    & skf18("9","2","6","8","9","10","1") = "9"
    & skf18("9","2","6","8","10","1","1") = "9"
    & skf18("9","2","6","8","10","2","1") = "9"
    & skf18("9","2","6","8","10","3","1") = "9"
    & skf18("9","2","6","8","10","4","1") = "9"
    & skf18("9","2","6","8","10","5","1") = "9"
    & skf18("9","2","6","8","10","6","1") = "9"
    & skf18("9","2","6","8","10","7","1") = "9"
    & skf18("9","2","6","8","10","8","1") = "9"
    & skf18("9","2","6","8","10","9","1") = "9"
    & skf18("9","2","6","8","10","10","1") = "9"
    & skf18("9","2","6","9","1","1","1") = "8"
    & skf18("9","2","6","9","1","2","1") = "8"
    & skf18("9","2","6","9","1","3","1") = "8"
    & skf18("9","2","6","9","1","4","1") = "8"
    & skf18("9","2","6","9","1","5","1") = "8"
    & skf18("9","2","6","9","1","6","1") = "8"
    & skf18("9","2","6","9","1","7","1") = "8"
    & skf18("9","2","6","9","1","8","1") = "8"
    & skf18("9","2","6","9","1","9","1") = "8"
    & skf18("9","2","6","9","1","10","1") = "9"
    & skf18("9","2","6","9","2","1","1") = "8"
    & skf18("9","2","6","9","2","2","1") = "8"
    & skf18("9","2","6","9","2","3","1") = "8"
    & skf18("9","2","6","9","2","4","1") = "8"
    & skf18("9","2","6","9","2","5","1") = "8"
    & skf18("9","2","6","9","2","6","1") = "8"
    & skf18("9","2","6","9","2","7","1") = "8"
    & skf18("9","2","6","9","2","8","1") = "8"
    & skf18("9","2","6","9","2","9","1") = "8"
    & skf18("9","2","6","9","2","10","1") = "9"
    & skf18("9","2","6","9","3","1","1") = "8"
    & skf18("9","2","6","9","3","2","1") = "8"
    & skf18("9","2","6","9","3","3","1") = "8"
    & skf18("9","2","6","9","3","4","1") = "8"
    & skf18("9","2","6","9","3","5","1") = "8"
    & skf18("9","2","6","9","3","6","1") = "8"
    & skf18("9","2","6","9","3","7","1") = "8"
    & skf18("9","2","6","9","3","8","1") = "8"
    & skf18("9","2","6","9","3","9","1") = "8"
    & skf18("9","2","6","9","3","10","1") = "9"
    & skf18("9","2","6","9","4","1","1") = "8"
    & skf18("9","2","6","9","4","2","1") = "8"
    & skf18("9","2","6","9","4","3","1") = "8"
    & skf18("9","2","6","9","4","4","1") = "8"
    & skf18("9","2","6","9","4","5","1") = "8"
    & skf18("9","2","6","9","4","6","1") = "8"
    & skf18("9","2","6","9","4","7","1") = "8"
    & skf18("9","2","6","9","4","8","1") = "8"
    & skf18("9","2","6","9","4","9","1") = "8"
    & skf18("9","2","6","9","4","10","1") = "9"
    & skf18("9","2","6","9","5","1","1") = "8"
    & skf18("9","2","6","9","5","2","1") = "8"
    & skf18("9","2","6","9","5","3","1") = "8"
    & skf18("9","2","6","9","5","4","1") = "8"
    & skf18("9","2","6","9","5","5","1") = "8"
    & skf18("9","2","6","9","5","6","1") = "8"
    & skf18("9","2","6","9","5","7","1") = "8"
    & skf18("9","2","6","9","5","8","1") = "8"
    & skf18("9","2","6","9","5","9","1") = "8"
    & skf18("9","2","6","9","5","10","1") = "9"
    & skf18("9","2","6","9","6","1","1") = "8"
    & skf18("9","2","6","9","6","2","1") = "8"
    & skf18("9","2","6","9","6","3","1") = "8"
    & skf18("9","2","6","9","6","4","1") = "8"
    & skf18("9","2","6","9","6","5","1") = "8"
    & skf18("9","2","6","9","6","6","1") = "8"
    & skf18("9","2","6","9","6","7","1") = "8"
    & skf18("9","2","6","9","6","8","1") = "8"
    & skf18("9","2","6","9","6","9","1") = "8"
    & skf18("9","2","6","9","6","10","1") = "9"
    & skf18("9","2","6","9","7","1","1") = "8"
    & skf18("9","2","6","9","7","2","1") = "8"
    & skf18("9","2","6","9","7","3","1") = "8"
    & skf18("9","2","6","9","7","4","1") = "8"
    & skf18("9","2","6","9","7","5","1") = "8"
    & skf18("9","2","6","9","7","6","1") = "8"
    & skf18("9","2","6","9","7","7","1") = "8"
    & skf18("9","2","6","9","7","8","1") = "8"
    & skf18("9","2","6","9","7","9","1") = "8"
    & skf18("9","2","6","9","7","10","1") = "9"
    & skf18("9","2","6","9","8","1","1") = "8"
    & skf18("9","2","6","9","8","2","1") = "8"
    & skf18("9","2","6","9","8","3","1") = "8"
    & skf18("9","2","6","9","8","4","1") = "8"
    & skf18("9","2","6","9","8","5","1") = "8"
    & skf18("9","2","6","9","8","6","1") = "8"
    & skf18("9","2","6","9","8","7","1") = "8"
    & skf18("9","2","6","9","8","8","1") = "8"
    & skf18("9","2","6","9","8","9","1") = "8"
    & skf18("9","2","6","9","8","10","1") = "9"
    & skf18("9","2","6","9","9","1","1") = "8"
    & skf18("9","2","6","9","9","2","1") = "8"
    & skf18("9","2","6","9","9","3","1") = "8"
    & skf18("9","2","6","9","9","4","1") = "8"
    & skf18("9","2","6","9","9","5","1") = "8"
    & skf18("9","2","6","9","9","6","1") = "8"
    & skf18("9","2","6","9","9","7","1") = "8"
    & skf18("9","2","6","9","9","8","1") = "8"
    & skf18("9","2","6","9","9","9","1") = "8"
    & skf18("9","2","6","9","9","10","1") = "9"
    & skf18("9","2","6","9","10","1","1") = "9"
    & skf18("9","2","6","9","10","2","1") = "9"
    & skf18("9","2","6","9","10","3","1") = "9"
    & skf18("9","2","6","9","10","4","1") = "9"
    & skf18("9","2","6","9","10","5","1") = "9"
    & skf18("9","2","6","9","10","6","1") = "9"
    & skf18("9","2","6","9","10","7","1") = "9"
    & skf18("9","2","6","9","10","8","1") = "9"
    & skf18("9","2","6","9","10","9","1") = "9"
    & skf18("9","2","6","9","10","10","1") = "9"
    & skf18("9","2","6","10","1","1","1") = "9"
    & skf18("9","2","6","10","1","2","1") = "9"
    & skf18("9","2","6","10","1","3","1") = "9"
    & skf18("9","2","6","10","1","4","1") = "9"
    & skf18("9","2","6","10","1","5","1") = "9"
    & skf18("9","2","6","10","1","6","1") = "9"
    & skf18("9","2","6","10","1","7","1") = "9"
    & skf18("9","2","6","10","1","8","1") = "9"
    & skf18("9","2","6","10","1","9","1") = "9"
    & skf18("9","2","6","10","1","10","1") = "9"
    & skf18("9","2","6","10","2","1","1") = "9"
    & skf18("9","2","6","10","2","2","1") = "9"
    & skf18("9","2","6","10","2","3","1") = "9"
    & skf18("9","2","6","10","2","4","1") = "9"
    & skf18("9","2","6","10","2","5","1") = "9"
    & skf18("9","2","6","10","2","6","1") = "9"
    & skf18("9","2","6","10","2","7","1") = "9"
    & skf18("9","2","6","10","2","8","1") = "9"
    & skf18("9","2","6","10","2","9","1") = "9"
    & skf18("9","2","6","10","2","10","1") = "9"
    & skf18("9","2","6","10","3","1","1") = "9"
    & skf18("9","2","6","10","3","2","1") = "9"
    & skf18("9","2","6","10","3","3","1") = "9"
    & skf18("9","2","6","10","3","4","1") = "9"
    & skf18("9","2","6","10","3","5","1") = "9"
    & skf18("9","2","6","10","3","6","1") = "9"
    & skf18("9","2","6","10","3","7","1") = "9"
    & skf18("9","2","6","10","3","8","1") = "9"
    & skf18("9","2","6","10","3","9","1") = "9"
    & skf18("9","2","6","10","3","10","1") = "9"
    & skf18("9","2","6","10","4","1","1") = "9"
    & skf18("9","2","6","10","4","2","1") = "9"
    & skf18("9","2","6","10","4","3","1") = "9"
    & skf18("9","2","6","10","4","4","1") = "9"
    & skf18("9","2","6","10","4","5","1") = "9"
    & skf18("9","2","6","10","4","6","1") = "9"
    & skf18("9","2","6","10","4","7","1") = "9"
    & skf18("9","2","6","10","4","8","1") = "9"
    & skf18("9","2","6","10","4","9","1") = "9"
    & skf18("9","2","6","10","4","10","1") = "9"
    & skf18("9","2","6","10","5","1","1") = "9"
    & skf18("9","2","6","10","5","2","1") = "9"
    & skf18("9","2","6","10","5","3","1") = "9"
    & skf18("9","2","6","10","5","4","1") = "9"
    & skf18("9","2","6","10","5","5","1") = "9"
    & skf18("9","2","6","10","5","6","1") = "9"
    & skf18("9","2","6","10","5","7","1") = "9"
    & skf18("9","2","6","10","5","8","1") = "9"
    & skf18("9","2","6","10","5","9","1") = "9"
    & skf18("9","2","6","10","5","10","1") = "9"
    & skf18("9","2","6","10","6","1","1") = "9"
    & skf18("9","2","6","10","6","2","1") = "9"
    & skf18("9","2","6","10","6","3","1") = "9"
    & skf18("9","2","6","10","6","4","1") = "9"
    & skf18("9","2","6","10","6","5","1") = "9"
    & skf18("9","2","6","10","6","6","1") = "9"
    & skf18("9","2","6","10","6","7","1") = "9"
    & skf18("9","2","6","10","6","8","1") = "9"
    & skf18("9","2","6","10","6","9","1") = "9"
    & skf18("9","2","6","10","6","10","1") = "9"
    & skf18("9","2","6","10","7","1","1") = "9"
    & skf18("9","2","6","10","7","2","1") = "9"
    & skf18("9","2","6","10","7","3","1") = "9"
    & skf18("9","2","6","10","7","4","1") = "9"
    & skf18("9","2","6","10","7","5","1") = "9"
    & skf18("9","2","6","10","7","6","1") = "9"
    & skf18("9","2","6","10","7","7","1") = "9"
    & skf18("9","2","6","10","7","8","1") = "9"
    & skf18("9","2","6","10","7","9","1") = "9"
    & skf18("9","2","6","10","7","10","1") = "9"
    & skf18("9","2","6","10","8","1","1") = "9"
    & skf18("9","2","6","10","8","2","1") = "9"
    & skf18("9","2","6","10","8","3","1") = "9"
    & skf18("9","2","6","10","8","4","1") = "9"
    & skf18("9","2","6","10","8","5","1") = "9"
    & skf18("9","2","6","10","8","6","1") = "9"
    & skf18("9","2","6","10","8","7","1") = "9"
    & skf18("9","2","6","10","8","8","1") = "9"
    & skf18("9","2","6","10","8","9","1") = "9"
    & skf18("9","2","6","10","8","10","1") = "9"
    & skf18("9","2","6","10","9","1","1") = "9"
    & skf18("9","2","6","10","9","2","1") = "9"
    & skf18("9","2","6","10","9","3","1") = "9"
    & skf18("9","2","6","10","9","4","1") = "9"
    & skf18("9","2","6","10","9","5","1") = "9"
    & skf18("9","2","6","10","9","6","1") = "9"
    & skf18("9","2","6","10","9","7","1") = "9"
    & skf18("9","2","6","10","9","8","1") = "9"
    & skf18("9","2","6","10","9","9","1") = "9"
    & skf18("9","2","6","10","9","10","1") = "9"
    & skf18("9","2","6","10","10","1","1") = "9"
    & skf18("9","2","6","10","10","2","1") = "9"
    & skf18("9","2","6","10","10","3","1") = "9"
    & skf18("9","2","6","10","10","4","1") = "9"
    & skf18("9","2","6","10","10","5","1") = "9"
    & skf18("9","2","6","10","10","6","1") = "9"
    & skf18("9","2","6","10","10","7","1") = "9"
    & skf18("9","2","6","10","10","8","1") = "9"
    & skf18("9","2","6","10","10","9","1") = "9"
    & skf18("9","2","6","10","10","10","1") = "9"
    & skf18("9","2","7","1","1","1","1") = "8"
    & skf18("9","2","7","1","1","2","1") = "8"
    & skf18("9","2","7","1","1","3","1") = "8"
    & skf18("9","2","7","1","1","4","1") = "8"
    & skf18("9","2","7","1","1","5","1") = "8"
    & skf18("9","2","7","1","1","6","1") = "8"
    & skf18("9","2","7","1","1","7","1") = "8"
    & skf18("9","2","7","1","1","8","1") = "8"
    & skf18("9","2","7","1","1","9","1") = "8"
    & skf18("9","2","7","1","1","10","1") = "9"
    & skf18("9","2","7","1","2","1","1") = "8"
    & skf18("9","2","7","1","2","2","1") = "8"
    & skf18("9","2","7","1","2","3","1") = "8"
    & skf18("9","2","7","1","2","4","1") = "8"
    & skf18("9","2","7","1","2","5","1") = "8"
    & skf18("9","2","7","1","2","6","1") = "8"
    & skf18("9","2","7","1","2","7","1") = "8"
    & skf18("9","2","7","1","2","8","1") = "8"
    & skf18("9","2","7","1","2","9","1") = "8"
    & skf18("9","2","7","1","2","10","1") = "9"
    & skf18("9","2","7","1","3","1","1") = "8"
    & skf18("9","2","7","1","3","2","1") = "8"
    & skf18("9","2","7","1","3","3","1") = "8"
    & skf18("9","2","7","1","3","4","1") = "8"
    & skf18("9","2","7","1","3","5","1") = "8"
    & skf18("9","2","7","1","3","6","1") = "8"
    & skf18("9","2","7","1","3","7","1") = "8"
    & skf18("9","2","7","1","3","8","1") = "8"
    & skf18("9","2","7","1","3","9","1") = "8"
    & skf18("9","2","7","1","3","10","1") = "9"
    & skf18("9","2","7","1","4","1","1") = "8"
    & skf18("9","2","7","1","4","2","1") = "8"
    & skf18("9","2","7","1","4","3","1") = "8"
    & skf18("9","2","7","1","4","4","1") = "8"
    & skf18("9","2","7","1","4","5","1") = "8"
    & skf18("9","2","7","1","4","6","1") = "8"
    & skf18("9","2","7","1","4","7","1") = "8"
    & skf18("9","2","7","1","4","8","1") = "8"
    & skf18("9","2","7","1","4","9","1") = "8"
    & skf18("9","2","7","1","4","10","1") = "9"
    & skf18("9","2","7","1","5","1","1") = "8"
    & skf18("9","2","7","1","5","2","1") = "8"
    & skf18("9","2","7","1","5","3","1") = "8"
    & skf18("9","2","7","1","5","4","1") = "8"
    & skf18("9","2","7","1","5","5","1") = "8"
    & skf18("9","2","7","1","5","6","1") = "8"
    & skf18("9","2","7","1","5","7","1") = "8"
    & skf18("9","2","7","1","5","8","1") = "8"
    & skf18("9","2","7","1","5","9","1") = "8"
    & skf18("9","2","7","1","5","10","1") = "9"
    & skf18("9","2","7","1","6","1","1") = "8"
    & skf18("9","2","7","1","6","2","1") = "8"
    & skf18("9","2","7","1","6","3","1") = "8"
    & skf18("9","2","7","1","6","4","1") = "8"
    & skf18("9","2","7","1","6","5","1") = "8"
    & skf18("9","2","7","1","6","6","1") = "8"
    & skf18("9","2","7","1","6","7","1") = "8"
    & skf18("9","2","7","1","6","8","1") = "8"
    & skf18("9","2","7","1","6","9","1") = "8"
    & skf18("9","2","7","1","6","10","1") = "9"
    & skf18("9","2","7","1","7","1","1") = "8"
    & skf18("9","2","7","1","7","2","1") = "8"
    & skf18("9","2","7","1","7","3","1") = "8"
    & skf18("9","2","7","1","7","4","1") = "8"
    & skf18("9","2","7","1","7","5","1") = "8"
    & skf18("9","2","7","1","7","6","1") = "8"
    & skf18("9","2","7","1","7","7","1") = "8"
    & skf18("9","2","7","1","7","8","1") = "8"
    & skf18("9","2","7","1","7","9","1") = "8"
    & skf18("9","2","7","1","7","10","1") = "9"
    & skf18("9","2","7","1","8","1","1") = "8"
    & skf18("9","2","7","1","8","2","1") = "8"
    & skf18("9","2","7","1","8","3","1") = "8"
    & skf18("9","2","7","1","8","4","1") = "8"
    & skf18("9","2","7","1","8","5","1") = "8"
    & skf18("9","2","7","1","8","6","1") = "8"
    & skf18("9","2","7","1","8","7","1") = "8"
    & skf18("9","2","7","1","8","8","1") = "8"
    & skf18("9","2","7","1","8","9","1") = "8"
    & skf18("9","2","7","1","8","10","1") = "9"
    & skf18("9","2","7","1","9","1","1") = "8"
    & skf18("9","2","7","1","9","2","1") = "8"
    & skf18("9","2","7","1","9","3","1") = "8"
    & skf18("9","2","7","1","9","4","1") = "8"
    & skf18("9","2","7","1","9","5","1") = "8"
    & skf18("9","2","7","1","9","6","1") = "8"
    & skf18("9","2","7","1","9","7","1") = "8"
    & skf18("9","2","7","1","9","8","1") = "8"
    & skf18("9","2","7","1","9","9","1") = "8"
    & skf18("9","2","7","1","9","10","1") = "9"
    & skf18("9","2","7","1","10","1","1") = "9"
    & skf18("9","2","7","1","10","2","1") = "9"
    & skf18("9","2","7","1","10","3","1") = "9"
    & skf18("9","2","7","1","10","4","1") = "9"
    & skf18("9","2","7","1","10","5","1") = "9"
    & skf18("9","2","7","1","10","6","1") = "9"
    & skf18("9","2","7","1","10","7","1") = "9"
    & skf18("9","2","7","1","10","8","1") = "9"
    & skf18("9","2","7","1","10","9","1") = "9"
    & skf18("9","2","7","1","10","10","1") = "9"
    & skf18("9","2","7","2","1","1","1") = "8"
    & skf18("9","2","7","2","1","2","1") = "8"
    & skf18("9","2","7","2","1","3","1") = "8"
    & skf18("9","2","7","2","1","4","1") = "8"
    & skf18("9","2","7","2","1","5","1") = "8"
    & skf18("9","2","7","2","1","6","1") = "8"
    & skf18("9","2","7","2","1","7","1") = "8"
    & skf18("9","2","7","2","1","8","1") = "8"
    & skf18("9","2","7","2","1","9","1") = "8"
    & skf18("9","2","7","2","1","10","1") = "9"
    & skf18("9","2","7","2","2","1","1") = "8"
    & skf18("9","2","7","2","2","2","1") = "8"
    & skf18("9","2","7","2","2","3","1") = "8"
    & skf18("9","2","7","2","2","4","1") = "8"
    & skf18("9","2","7","2","2","5","1") = "8"
    & skf18("9","2","7","2","2","6","1") = "8"
    & skf18("9","2","7","2","2","7","1") = "8"
    & skf18("9","2","7","2","2","8","1") = "8"
    & skf18("9","2","7","2","2","9","1") = "8"
    & skf18("9","2","7","2","2","10","1") = "9"
    & skf18("9","2","7","2","3","1","1") = "8"
    & skf18("9","2","7","2","3","2","1") = "8"
    & skf18("9","2","7","2","3","3","1") = "8"
    & skf18("9","2","7","2","3","4","1") = "8"
    & skf18("9","2","7","2","3","5","1") = "8"
    & skf18("9","2","7","2","3","6","1") = "8"
    & skf18("9","2","7","2","3","7","1") = "8"
    & skf18("9","2","7","2","3","8","1") = "8"
    & skf18("9","2","7","2","3","9","1") = "8"
    & skf18("9","2","7","2","3","10","1") = "9"
    & skf18("9","2","7","2","4","1","1") = "8"
    & skf18("9","2","7","2","4","2","1") = "8"
    & skf18("9","2","7","2","4","3","1") = "8"
    & skf18("9","2","7","2","4","4","1") = "8"
    & skf18("9","2","7","2","4","5","1") = "8"
    & skf18("9","2","7","2","4","6","1") = "8"
    & skf18("9","2","7","2","4","7","1") = "8"
    & skf18("9","2","7","2","4","8","1") = "8"
    & skf18("9","2","7","2","4","9","1") = "8"
    & skf18("9","2","7","2","4","10","1") = "9"
    & skf18("9","2","7","2","5","1","1") = "8"
    & skf18("9","2","7","2","5","2","1") = "8"
    & skf18("9","2","7","2","5","3","1") = "8"
    & skf18("9","2","7","2","5","4","1") = "8"
    & skf18("9","2","7","2","5","5","1") = "8"
    & skf18("9","2","7","2","5","6","1") = "8"
    & skf18("9","2","7","2","5","7","1") = "8"
    & skf18("9","2","7","2","5","8","1") = "8"
    & skf18("9","2","7","2","5","9","1") = "8"
    & skf18("9","2","7","2","5","10","1") = "9"
    & skf18("9","2","7","2","6","1","1") = "8"
    & skf18("9","2","7","2","6","2","1") = "8"
    & skf18("9","2","7","2","6","3","1") = "8"
    & skf18("9","2","7","2","6","4","1") = "8"
    & skf18("9","2","7","2","6","5","1") = "8"
    & skf18("9","2","7","2","6","6","1") = "8"
    & skf18("9","2","7","2","6","7","1") = "8"
    & skf18("9","2","7","2","6","8","1") = "8"
    & skf18("9","2","7","2","6","9","1") = "8"
    & skf18("9","2","7","2","6","10","1") = "9"
    & skf18("9","2","7","2","7","1","1") = "8"
    & skf18("9","2","7","2","7","2","1") = "8"
    & skf18("9","2","7","2","7","3","1") = "8"
    & skf18("9","2","7","2","7","4","1") = "8"
    & skf18("9","2","7","2","7","5","1") = "8"
    & skf18("9","2","7","2","7","6","1") = "8"
    & skf18("9","2","7","2","7","7","1") = "8"
    & skf18("9","2","7","2","7","8","1") = "8"
    & skf18("9","2","7","2","7","9","1") = "8"
    & skf18("9","2","7","2","7","10","1") = "9"
    & skf18("9","2","7","2","8","1","1") = "8"
    & skf18("9","2","7","2","8","2","1") = "8"
    & skf18("9","2","7","2","8","3","1") = "8"
    & skf18("9","2","7","2","8","4","1") = "8"
    & skf18("9","2","7","2","8","5","1") = "8"
    & skf18("9","2","7","2","8","6","1") = "8"
    & skf18("9","2","7","2","8","7","1") = "8"
    & skf18("9","2","7","2","8","8","1") = "8"
    & skf18("9","2","7","2","8","9","1") = "8"
    & skf18("9","2","7","2","8","10","1") = "9"
    & skf18("9","2","7","2","9","1","1") = "8"
    & skf18("9","2","7","2","9","2","1") = "8"
    & skf18("9","2","7","2","9","3","1") = "8"
    & skf18("9","2","7","2","9","4","1") = "8"
    & skf18("9","2","7","2","9","5","1") = "8"
    & skf18("9","2","7","2","9","6","1") = "8"
    & skf18("9","2","7","2","9","7","1") = "8"
    & skf18("9","2","7","2","9","8","1") = "8"
    & skf18("9","2","7","2","9","9","1") = "8"
    & skf18("9","2","7","2","9","10","1") = "9"
    & skf18("9","2","7","2","10","1","1") = "9"
    & skf18("9","2","7","2","10","2","1") = "9"
    & skf18("9","2","7","2","10","3","1") = "9"
    & skf18("9","2","7","2","10","4","1") = "9"
    & skf18("9","2","7","2","10","5","1") = "9"
    & skf18("9","2","7","2","10","6","1") = "9"
    & skf18("9","2","7","2","10","7","1") = "9"
    & skf18("9","2","7","2","10","8","1") = "9"
    & skf18("9","2","7","2","10","9","1") = "9"
    & skf18("9","2","7","2","10","10","1") = "9"
    & skf18("9","2","7","3","1","1","1") = "8"
    & skf18("9","2","7","3","1","2","1") = "8"
    & skf18("9","2","7","3","1","3","1") = "8"
    & skf18("9","2","7","3","1","4","1") = "8"
    & skf18("9","2","7","3","1","5","1") = "8"
    & skf18("9","2","7","3","1","6","1") = "8"
    & skf18("9","2","7","3","1","7","1") = "8"
    & skf18("9","2","7","3","1","8","1") = "8"
    & skf18("9","2","7","3","1","9","1") = "8"
    & skf18("9","2","7","3","1","10","1") = "9"
    & skf18("9","2","7","3","2","1","1") = "8"
    & skf18("9","2","7","3","2","2","1") = "8"
    & skf18("9","2","7","3","2","3","1") = "8"
    & skf18("9","2","7","3","2","4","1") = "8"
    & skf18("9","2","7","3","2","5","1") = "8"
    & skf18("9","2","7","3","2","6","1") = "8"
    & skf18("9","2","7","3","2","7","1") = "8"
    & skf18("9","2","7","3","2","8","1") = "8"
    & skf18("9","2","7","3","2","9","1") = "8"
    & skf18("9","2","7","3","2","10","1") = "9"
    & skf18("9","2","7","3","3","1","1") = "8"
    & skf18("9","2","7","3","3","2","1") = "8"
    & skf18("9","2","7","3","3","3","1") = "8"
    & skf18("9","2","7","3","3","4","1") = "8"
    & skf18("9","2","7","3","3","5","1") = "8"
    & skf18("9","2","7","3","3","6","1") = "8"
    & skf18("9","2","7","3","3","7","1") = "8"
    & skf18("9","2","7","3","3","8","1") = "8"
    & skf18("9","2","7","3","3","9","1") = "8"
    & skf18("9","2","7","3","3","10","1") = "9"
    & skf18("9","2","7","3","4","1","1") = "8"
    & skf18("9","2","7","3","4","2","1") = "8"
    & skf18("9","2","7","3","4","3","1") = "8"
    & skf18("9","2","7","3","4","4","1") = "8"
    & skf18("9","2","7","3","4","5","1") = "8"
    & skf18("9","2","7","3","4","6","1") = "8"
    & skf18("9","2","7","3","4","7","1") = "8"
    & skf18("9","2","7","3","4","8","1") = "8"
    & skf18("9","2","7","3","4","9","1") = "8"
    & skf18("9","2","7","3","4","10","1") = "9"
    & skf18("9","2","7","3","5","1","1") = "8"
    & skf18("9","2","7","3","5","2","1") = "8"
    & skf18("9","2","7","3","5","3","1") = "8"
    & skf18("9","2","7","3","5","4","1") = "8"
    & skf18("9","2","7","3","5","5","1") = "8"
    & skf18("9","2","7","3","5","6","1") = "8"
    & skf18("9","2","7","3","5","7","1") = "8"
    & skf18("9","2","7","3","5","8","1") = "8"
    & skf18("9","2","7","3","5","9","1") = "8"
    & skf18("9","2","7","3","5","10","1") = "9"
    & skf18("9","2","7","3","6","1","1") = "8"
    & skf18("9","2","7","3","6","2","1") = "8"
    & skf18("9","2","7","3","6","3","1") = "8"
    & skf18("9","2","7","3","6","4","1") = "8"
    & skf18("9","2","7","3","6","5","1") = "8"
    & skf18("9","2","7","3","6","6","1") = "8"
    & skf18("9","2","7","3","6","7","1") = "8"
    & skf18("9","2","7","3","6","8","1") = "8"
    & skf18("9","2","7","3","6","9","1") = "8"
    & skf18("9","2","7","3","6","10","1") = "9"
    & skf18("9","2","7","3","7","1","1") = "8"
    & skf18("9","2","7","3","7","2","1") = "8"
    & skf18("9","2","7","3","7","3","1") = "8"
    & skf18("9","2","7","3","7","4","1") = "8"
    & skf18("9","2","7","3","7","5","1") = "8"
    & skf18("9","2","7","3","7","6","1") = "8"
    & skf18("9","2","7","3","7","7","1") = "8"
    & skf18("9","2","7","3","7","8","1") = "8"
    & skf18("9","2","7","3","7","9","1") = "8"
    & skf18("9","2","7","3","7","10","1") = "9"
    & skf18("9","2","7","3","8","1","1") = "8"
    & skf18("9","2","7","3","8","2","1") = "8"
    & skf18("9","2","7","3","8","3","1") = "8"
    & skf18("9","2","7","3","8","4","1") = "8"
    & skf18("9","2","7","3","8","5","1") = "8"
    & skf18("9","2","7","3","8","6","1") = "8"
    & skf18("9","2","7","3","8","7","1") = "8"
    & skf18("9","2","7","3","8","8","1") = "8"
    & skf18("9","2","7","3","8","9","1") = "8"
    & skf18("9","2","7","3","8","10","1") = "9"
    & skf18("9","2","7","3","9","1","1") = "8"
    & skf18("9","2","7","3","9","2","1") = "8"
    & skf18("9","2","7","3","9","3","1") = "8"
    & skf18("9","2","7","3","9","4","1") = "8"
    & skf18("9","2","7","3","9","5","1") = "8"
    & skf18("9","2","7","3","9","6","1") = "8"
    & skf18("9","2","7","3","9","7","1") = "8"
    & skf18("9","2","7","3","9","8","1") = "8"
    & skf18("9","2","7","3","9","9","1") = "8"
    & skf18("9","2","7","3","9","10","1") = "9"
    & skf18("9","2","7","3","10","1","1") = "9"
    & skf18("9","2","7","3","10","2","1") = "9"
    & skf18("9","2","7","3","10","3","1") = "9"
    & skf18("9","2","7","3","10","4","1") = "9"
    & skf18("9","2","7","3","10","5","1") = "9"
    & skf18("9","2","7","3","10","6","1") = "9"
    & skf18("9","2","7","3","10","7","1") = "9"
    & skf18("9","2","7","3","10","8","1") = "9"
    & skf18("9","2","7","3","10","9","1") = "9"
    & skf18("9","2","7","3","10","10","1") = "9"
    & skf18("9","2","7","4","1","1","1") = "8"
    & skf18("9","2","7","4","1","2","1") = "8"
    & skf18("9","2","7","4","1","3","1") = "8"
    & skf18("9","2","7","4","1","4","1") = "8"
    & skf18("9","2","7","4","1","5","1") = "8"
    & skf18("9","2","7","4","1","6","1") = "8"
    & skf18("9","2","7","4","1","7","1") = "8"
    & skf18("9","2","7","4","1","8","1") = "8"
    & skf18("9","2","7","4","1","9","1") = "8"
    & skf18("9","2","7","4","1","10","1") = "9"
    & skf18("9","2","7","4","2","1","1") = "8"
    & skf18("9","2","7","4","2","2","1") = "8"
    & skf18("9","2","7","4","2","3","1") = "8"
    & skf18("9","2","7","4","2","4","1") = "8"
    & skf18("9","2","7","4","2","5","1") = "8"
    & skf18("9","2","7","4","2","6","1") = "8"
    & skf18("9","2","7","4","2","7","1") = "8"
    & skf18("9","2","7","4","2","8","1") = "8"
    & skf18("9","2","7","4","2","9","1") = "8"
    & skf18("9","2","7","4","2","10","1") = "9"
    & skf18("9","2","7","4","3","1","1") = "8"
    & skf18("9","2","7","4","3","2","1") = "8"
    & skf18("9","2","7","4","3","3","1") = "8"
    & skf18("9","2","7","4","3","4","1") = "8"
    & skf18("9","2","7","4","3","5","1") = "8"
    & skf18("9","2","7","4","3","6","1") = "8"
    & skf18("9","2","7","4","3","7","1") = "8"
    & skf18("9","2","7","4","3","8","1") = "8"
    & skf18("9","2","7","4","3","9","1") = "8"
    & skf18("9","2","7","4","3","10","1") = "9"
    & skf18("9","2","7","4","4","1","1") = "8"
    & skf18("9","2","7","4","4","2","1") = "8"
    & skf18("9","2","7","4","4","3","1") = "8"
    & skf18("9","2","7","4","4","4","1") = "8"
    & skf18("9","2","7","4","4","5","1") = "8"
    & skf18("9","2","7","4","4","6","1") = "8"
    & skf18("9","2","7","4","4","7","1") = "8"
    & skf18("9","2","7","4","4","8","1") = "8"
    & skf18("9","2","7","4","4","9","1") = "8"
    & skf18("9","2","7","4","4","10","1") = "9"
    & skf18("9","2","7","4","5","1","1") = "8"
    & skf18("9","2","7","4","5","2","1") = "8"
    & skf18("9","2","7","4","5","3","1") = "8"
    & skf18("9","2","7","4","5","4","1") = "8"
    & skf18("9","2","7","4","5","5","1") = "8"
    & skf18("9","2","7","4","5","6","1") = "8"
    & skf18("9","2","7","4","5","7","1") = "8"
    & skf18("9","2","7","4","5","8","1") = "8"
    & skf18("9","2","7","4","5","9","1") = "8"
    & skf18("9","2","7","4","5","10","1") = "9"
    & skf18("9","2","7","4","6","1","1") = "8"
    & skf18("9","2","7","4","6","2","1") = "8"
    & skf18("9","2","7","4","6","3","1") = "8"
    & skf18("9","2","7","4","6","4","1") = "8"
    & skf18("9","2","7","4","6","5","1") = "8"
    & skf18("9","2","7","4","6","6","1") = "8"
    & skf18("9","2","7","4","6","7","1") = "8"
    & skf18("9","2","7","4","6","8","1") = "8"
    & skf18("9","2","7","4","6","9","1") = "8"
    & skf18("9","2","7","4","6","10","1") = "9"
    & skf18("9","2","7","4","7","1","1") = "8"
    & skf18("9","2","7","4","7","2","1") = "8"
    & skf18("9","2","7","4","7","3","1") = "8"
    & skf18("9","2","7","4","7","4","1") = "8"
    & skf18("9","2","7","4","7","5","1") = "8"
    & skf18("9","2","7","4","7","6","1") = "8"
    & skf18("9","2","7","4","7","7","1") = "8"
    & skf18("9","2","7","4","7","8","1") = "8"
    & skf18("9","2","7","4","7","9","1") = "8"
    & skf18("9","2","7","4","7","10","1") = "9"
    & skf18("9","2","7","4","8","1","1") = "8"
    & skf18("9","2","7","4","8","2","1") = "8"
    & skf18("9","2","7","4","8","3","1") = "8"
    & skf18("9","2","7","4","8","4","1") = "8"
    & skf18("9","2","7","4","8","5","1") = "8"
    & skf18("9","2","7","4","8","6","1") = "8"
    & skf18("9","2","7","4","8","7","1") = "8"
    & skf18("9","2","7","4","8","8","1") = "8"
    & skf18("9","2","7","4","8","9","1") = "8"
    & skf18("9","2","7","4","8","10","1") = "9"
    & skf18("9","2","7","4","9","1","1") = "8"
    & skf18("9","2","7","4","9","2","1") = "8"
    & skf18("9","2","7","4","9","3","1") = "8"
    & skf18("9","2","7","4","9","4","1") = "8"
    & skf18("9","2","7","4","9","5","1") = "8"
    & skf18("9","2","7","4","9","6","1") = "8"
    & skf18("9","2","7","4","9","7","1") = "8"
    & skf18("9","2","7","4","9","8","1") = "8"
    & skf18("9","2","7","4","9","9","1") = "8"
    & skf18("9","2","7","4","9","10","1") = "9"
    & skf18("9","2","7","4","10","1","1") = "9"
    & skf18("9","2","7","4","10","2","1") = "9"
    & skf18("9","2","7","4","10","3","1") = "9"
    & skf18("9","2","7","4","10","4","1") = "9"
    & skf18("9","2","7","4","10","5","1") = "9"
    & skf18("9","2","7","4","10","6","1") = "9"
    & skf18("9","2","7","4","10","7","1") = "9"
    & skf18("9","2","7","4","10","8","1") = "9"
    & skf18("9","2","7","4","10","9","1") = "9"
    & skf18("9","2","7","4","10","10","1") = "9"
    & skf18("9","2","7","5","1","1","1") = "8"
    & skf18("9","2","7","5","1","2","1") = "8"
    & skf18("9","2","7","5","1","3","1") = "8"
    & skf18("9","2","7","5","1","4","1") = "8"
    & skf18("9","2","7","5","1","5","1") = "8"
    & skf18("9","2","7","5","1","6","1") = "8"
    & skf18("9","2","7","5","1","7","1") = "8"
    & skf18("9","2","7","5","1","8","1") = "8"
    & skf18("9","2","7","5","1","9","1") = "8"
    & skf18("9","2","7","5","1","10","1") = "9"
    & skf18("9","2","7","5","2","1","1") = "8"
    & skf18("9","2","7","5","2","2","1") = "8"
    & skf18("9","2","7","5","2","3","1") = "8"
    & skf18("9","2","7","5","2","4","1") = "8"
    & skf18("9","2","7","5","2","5","1") = "8"
    & skf18("9","2","7","5","2","6","1") = "8"
    & skf18("9","2","7","5","2","7","1") = "8"
    & skf18("9","2","7","5","2","8","1") = "8"
    & skf18("9","2","7","5","2","9","1") = "8"
    & skf18("9","2","7","5","2","10","1") = "9"
    & skf18("9","2","7","5","3","1","1") = "8"
    & skf18("9","2","7","5","3","2","1") = "8"
    & skf18("9","2","7","5","3","3","1") = "8"
    & skf18("9","2","7","5","3","4","1") = "8"
    & skf18("9","2","7","5","3","5","1") = "8"
    & skf18("9","2","7","5","3","6","1") = "8"
    & skf18("9","2","7","5","3","7","1") = "8"
    & skf18("9","2","7","5","3","8","1") = "8"
    & skf18("9","2","7","5","3","9","1") = "8"
    & skf18("9","2","7","5","3","10","1") = "9"
    & skf18("9","2","7","5","4","1","1") = "8"
    & skf18("9","2","7","5","4","2","1") = "8"
    & skf18("9","2","7","5","4","3","1") = "8"
    & skf18("9","2","7","5","4","4","1") = "8"
    & skf18("9","2","7","5","4","5","1") = "8"
    & skf18("9","2","7","5","4","6","1") = "8"
    & skf18("9","2","7","5","4","7","1") = "8"
    & skf18("9","2","7","5","4","8","1") = "8"
    & skf18("9","2","7","5","4","9","1") = "8"
    & skf18("9","2","7","5","4","10","1") = "9"
    & skf18("9","2","7","5","5","1","1") = "8"
    & skf18("9","2","7","5","5","2","1") = "8"
    & skf18("9","2","7","5","5","3","1") = "8"
    & skf18("9","2","7","5","5","4","1") = "8"
    & skf18("9","2","7","5","5","5","1") = "8"
    & skf18("9","2","7","5","5","6","1") = "8"
    & skf18("9","2","7","5","5","7","1") = "8"
    & skf18("9","2","7","5","5","8","1") = "8"
    & skf18("9","2","7","5","5","9","1") = "8"
    & skf18("9","2","7","5","5","10","1") = "9"
    & skf18("9","2","7","5","6","1","1") = "8"
    & skf18("9","2","7","5","6","2","1") = "8"
    & skf18("9","2","7","5","6","3","1") = "8"
    & skf18("9","2","7","5","6","4","1") = "8"
    & skf18("9","2","7","5","6","5","1") = "8"
    & skf18("9","2","7","5","6","6","1") = "8"
    & skf18("9","2","7","5","6","7","1") = "8"
    & skf18("9","2","7","5","6","8","1") = "8"
    & skf18("9","2","7","5","6","9","1") = "8"
    & skf18("9","2","7","5","6","10","1") = "9"
    & skf18("9","2","7","5","7","1","1") = "8"
    & skf18("9","2","7","5","7","2","1") = "8"
    & skf18("9","2","7","5","7","3","1") = "8"
    & skf18("9","2","7","5","7","4","1") = "8"
    & skf18("9","2","7","5","7","5","1") = "8"
    & skf18("9","2","7","5","7","6","1") = "8"
    & skf18("9","2","7","5","7","7","1") = "8"
    & skf18("9","2","7","5","7","8","1") = "8"
    & skf18("9","2","7","5","7","9","1") = "8"
    & skf18("9","2","7","5","7","10","1") = "9"
    & skf18("9","2","7","5","8","1","1") = "8"
    & skf18("9","2","7","5","8","2","1") = "8"
    & skf18("9","2","7","5","8","3","1") = "8"
    & skf18("9","2","7","5","8","4","1") = "8"
    & skf18("9","2","7","5","8","5","1") = "8"
    & skf18("9","2","7","5","8","6","1") = "8"
    & skf18("9","2","7","5","8","7","1") = "8"
    & skf18("9","2","7","5","8","8","1") = "8"
    & skf18("9","2","7","5","8","9","1") = "8"
    & skf18("9","2","7","5","8","10","1") = "9"
    & skf18("9","2","7","5","9","1","1") = "8"
    & skf18("9","2","7","5","9","2","1") = "8"
    & skf18("9","2","7","5","9","3","1") = "8"
    & skf18("9","2","7","5","9","4","1") = "8"
    & skf18("9","2","7","5","9","5","1") = "8"
    & skf18("9","2","7","5","9","6","1") = "8"
    & skf18("9","2","7","5","9","7","1") = "8"
    & skf18("9","2","7","5","9","8","1") = "8"
    & skf18("9","2","7","5","9","9","1") = "8"
    & skf18("9","2","7","5","9","10","1") = "9"
    & skf18("9","2","7","5","10","1","1") = "9"
    & skf18("9","2","7","5","10","2","1") = "9"
    & skf18("9","2","7","5","10","3","1") = "9"
    & skf18("9","2","7","5","10","4","1") = "9"
    & skf18("9","2","7","5","10","5","1") = "9"
    & skf18("9","2","7","5","10","6","1") = "9"
    & skf18("9","2","7","5","10","7","1") = "9"
    & skf18("9","2","7","5","10","8","1") = "9"
    & skf18("9","2","7","5","10","9","1") = "9"
    & skf18("9","2","7","5","10","10","1") = "9"
    & skf18("9","2","7","6","1","1","1") = "8"
    & skf18("9","2","7","6","1","2","1") = "8"
    & skf18("9","2","7","6","1","3","1") = "8"
    & skf18("9","2","7","6","1","4","1") = "8"
    & skf18("9","2","7","6","1","5","1") = "8"
    & skf18("9","2","7","6","1","6","1") = "8"
    & skf18("9","2","7","6","1","7","1") = "8"
    & skf18("9","2","7","6","1","8","1") = "8"
    & skf18("9","2","7","6","1","9","1") = "8"
    & skf18("9","2","7","6","1","10","1") = "9"
    & skf18("9","2","7","6","2","1","1") = "8"
    & skf18("9","2","7","6","2","2","1") = "8"
    & skf18("9","2","7","6","2","3","1") = "8"
    & skf18("9","2","7","6","2","4","1") = "8"
    & skf18("9","2","7","6","2","5","1") = "8"
    & skf18("9","2","7","6","2","6","1") = "8"
    & skf18("9","2","7","6","2","7","1") = "8"
    & skf18("9","2","7","6","2","8","1") = "8"
    & skf18("9","2","7","6","2","9","1") = "8"
    & skf18("9","2","7","6","2","10","1") = "9"
    & skf18("9","2","7","6","3","1","1") = "8"
    & skf18("9","2","7","6","3","2","1") = "8"
    & skf18("9","2","7","6","3","3","1") = "8"
    & skf18("9","2","7","6","3","4","1") = "8"
    & skf18("9","2","7","6","3","5","1") = "8"
    & skf18("9","2","7","6","3","6","1") = "8"
    & skf18("9","2","7","6","3","7","1") = "8"
    & skf18("9","2","7","6","3","8","1") = "8"
    & skf18("9","2","7","6","3","9","1") = "8"
    & skf18("9","2","7","6","3","10","1") = "9"
    & skf18("9","2","7","6","4","1","1") = "8"
    & skf18("9","2","7","6","4","2","1") = "8"
    & skf18("9","2","7","6","4","3","1") = "8"
    & skf18("9","2","7","6","4","4","1") = "8"
    & skf18("9","2","7","6","4","5","1") = "8"
    & skf18("9","2","7","6","4","6","1") = "8"
    & skf18("9","2","7","6","4","7","1") = "8"
    & skf18("9","2","7","6","4","8","1") = "8"
    & skf18("9","2","7","6","4","9","1") = "8"
    & skf18("9","2","7","6","4","10","1") = "9"
    & skf18("9","2","7","6","5","1","1") = "8"
    & skf18("9","2","7","6","5","2","1") = "8"
    & skf18("9","2","7","6","5","3","1") = "8"
    & skf18("9","2","7","6","5","4","1") = "8"
    & skf18("9","2","7","6","5","5","1") = "8"
    & skf18("9","2","7","6","5","6","1") = "8"
    & skf18("9","2","7","6","5","7","1") = "8"
    & skf18("9","2","7","6","5","8","1") = "8"
    & skf18("9","2","7","6","5","9","1") = "8"
    & skf18("9","2","7","6","5","10","1") = "9"
    & skf18("9","2","7","6","6","1","1") = "8"
    & skf18("9","2","7","6","6","2","1") = "8"
    & skf18("9","2","7","6","6","3","1") = "8"
    & skf18("9","2","7","6","6","4","1") = "8"
    & skf18("9","2","7","6","6","5","1") = "8"
    & skf18("9","2","7","6","6","6","1") = "8"
    & skf18("9","2","7","6","6","7","1") = "8"
    & skf18("9","2","7","6","6","8","1") = "8"
    & skf18("9","2","7","6","6","9","1") = "8"
    & skf18("9","2","7","6","6","10","1") = "9"
    & skf18("9","2","7","6","7","1","1") = "8"
    & skf18("9","2","7","6","7","2","1") = "8"
    & skf18("9","2","7","6","7","3","1") = "8"
    & skf18("9","2","7","6","7","4","1") = "8"
    & skf18("9","2","7","6","7","5","1") = "8"
    & skf18("9","2","7","6","7","6","1") = "8"
    & skf18("9","2","7","6","7","7","1") = "8"
    & skf18("9","2","7","6","7","8","1") = "8"
    & skf18("9","2","7","6","7","9","1") = "8"
    & skf18("9","2","7","6","7","10","1") = "9"
    & skf18("9","2","7","6","8","1","1") = "8"
    & skf18("9","2","7","6","8","2","1") = "8"
    & skf18("9","2","7","6","8","3","1") = "8"
    & skf18("9","2","7","6","8","4","1") = "8"
    & skf18("9","2","7","6","8","5","1") = "8"
    & skf18("9","2","7","6","8","6","1") = "8"
    & skf18("9","2","7","6","8","7","1") = "8"
    & skf18("9","2","7","6","8","8","1") = "8"
    & skf18("9","2","7","6","8","9","1") = "8"
    & skf18("9","2","7","6","8","10","1") = "9"
    & skf18("9","2","7","6","9","1","1") = "8"
    & skf18("9","2","7","6","9","2","1") = "8"
    & skf18("9","2","7","6","9","3","1") = "8"
    & skf18("9","2","7","6","9","4","1") = "8"
    & skf18("9","2","7","6","9","5","1") = "8"
    & skf18("9","2","7","6","9","6","1") = "8"
    & skf18("9","2","7","6","9","7","1") = "8"
    & skf18("9","2","7","6","9","8","1") = "8"
    & skf18("9","2","7","6","9","9","1") = "8"
    & skf18("9","2","7","6","9","10","1") = "9"
    & skf18("9","2","7","6","10","1","1") = "9"
    & skf18("9","2","7","6","10","2","1") = "9"
    & skf18("9","2","7","6","10","3","1") = "9"
    & skf18("9","2","7","6","10","4","1") = "9"
    & skf18("9","2","7","6","10","5","1") = "9"
    & skf18("9","2","7","6","10","6","1") = "9"
    & skf18("9","2","7","6","10","7","1") = "9"
    & skf18("9","2","7","6","10","8","1") = "9"
    & skf18("9","2","7","6","10","9","1") = "9"
    & skf18("9","2","7","6","10","10","1") = "9"
    & skf18("9","2","7","7","1","1","1") = "8"
    & skf18("9","2","7","7","1","2","1") = "8"
    & skf18("9","2","7","7","1","3","1") = "8"
    & skf18("9","2","7","7","1","4","1") = "8"
    & skf18("9","2","7","7","1","5","1") = "8"
    & skf18("9","2","7","7","1","6","1") = "8"
    & skf18("9","2","7","7","1","7","1") = "8"
    & skf18("9","2","7","7","1","8","1") = "8"
    & skf18("9","2","7","7","1","9","1") = "8"
    & skf18("9","2","7","7","1","10","1") = "9"
    & skf18("9","2","7","7","2","1","1") = "8"
    & skf18("9","2","7","7","2","2","1") = "8"
    & skf18("9","2","7","7","2","3","1") = "8"
    & skf18("9","2","7","7","2","4","1") = "8"
    & skf18("9","2","7","7","2","5","1") = "8"
    & skf18("9","2","7","7","2","6","1") = "8"
    & skf18("9","2","7","7","2","7","1") = "8"
    & skf18("9","2","7","7","2","8","1") = "8"
    & skf18("9","2","7","7","2","9","1") = "8"
    & skf18("9","2","7","7","2","10","1") = "9"
    & skf18("9","2","7","7","3","1","1") = "8"
    & skf18("9","2","7","7","3","2","1") = "8"
    & skf18("9","2","7","7","3","3","1") = "8"
    & skf18("9","2","7","7","3","4","1") = "8"
    & skf18("9","2","7","7","3","5","1") = "8"
    & skf18("9","2","7","7","3","6","1") = "8"
    & skf18("9","2","7","7","3","7","1") = "8"
    & skf18("9","2","7","7","3","8","1") = "8"
    & skf18("9","2","7","7","3","9","1") = "8"
    & skf18("9","2","7","7","3","10","1") = "9"
    & skf18("9","2","7","7","4","1","1") = "8"
    & skf18("9","2","7","7","4","2","1") = "8"
    & skf18("9","2","7","7","4","3","1") = "8"
    & skf18("9","2","7","7","4","4","1") = "8"
    & skf18("9","2","7","7","4","5","1") = "8"
    & skf18("9","2","7","7","4","6","1") = "8"
    & skf18("9","2","7","7","4","7","1") = "8"
    & skf18("9","2","7","7","4","8","1") = "8"
    & skf18("9","2","7","7","4","9","1") = "8"
    & skf18("9","2","7","7","4","10","1") = "9"
    & skf18("9","2","7","7","5","1","1") = "8"
    & skf18("9","2","7","7","5","2","1") = "8"
    & skf18("9","2","7","7","5","3","1") = "8"
    & skf18("9","2","7","7","5","4","1") = "8"
    & skf18("9","2","7","7","5","5","1") = "8"
    & skf18("9","2","7","7","5","6","1") = "8"
    & skf18("9","2","7","7","5","7","1") = "8"
    & skf18("9","2","7","7","5","8","1") = "8"
    & skf18("9","2","7","7","5","9","1") = "8"
    & skf18("9","2","7","7","5","10","1") = "9"
    & skf18("9","2","7","7","6","1","1") = "8"
    & skf18("9","2","7","7","6","2","1") = "8"
    & skf18("9","2","7","7","6","3","1") = "8"
    & skf18("9","2","7","7","6","4","1") = "8"
    & skf18("9","2","7","7","6","5","1") = "8"
    & skf18("9","2","7","7","6","6","1") = "8"
    & skf18("9","2","7","7","6","7","1") = "8"
    & skf18("9","2","7","7","6","8","1") = "8"
    & skf18("9","2","7","7","6","9","1") = "8"
    & skf18("9","2","7","7","6","10","1") = "9"
    & skf18("9","2","7","7","7","1","1") = "8"
    & skf18("9","2","7","7","7","2","1") = "8"
    & skf18("9","2","7","7","7","3","1") = "8"
    & skf18("9","2","7","7","7","4","1") = "8"
    & skf18("9","2","7","7","7","5","1") = "8"
    & skf18("9","2","7","7","7","6","1") = "8"
    & skf18("9","2","7","7","7","7","1") = "8"
    & skf18("9","2","7","7","7","8","1") = "8"
    & skf18("9","2","7","7","7","9","1") = "8"
    & skf18("9","2","7","7","7","10","1") = "9"
    & skf18("9","2","7","7","8","1","1") = "8"
    & skf18("9","2","7","7","8","2","1") = "8"
    & skf18("9","2","7","7","8","3","1") = "8"
    & skf18("9","2","7","7","8","4","1") = "8"
    & skf18("9","2","7","7","8","5","1") = "8"
    & skf18("9","2","7","7","8","6","1") = "8"
    & skf18("9","2","7","7","8","7","1") = "8"
    & skf18("9","2","7","7","8","8","1") = "8"
    & skf18("9","2","7","7","8","9","1") = "8"
    & skf18("9","2","7","7","8","10","1") = "9"
    & skf18("9","2","7","7","9","1","1") = "8"
    & skf18("9","2","7","7","9","2","1") = "8"
    & skf18("9","2","7","7","9","3","1") = "8"
    & skf18("9","2","7","7","9","4","1") = "8"
    & skf18("9","2","7","7","9","5","1") = "8"
    & skf18("9","2","7","7","9","6","1") = "8"
    & skf18("9","2","7","7","9","7","1") = "8"
    & skf18("9","2","7","7","9","8","1") = "8"
    & skf18("9","2","7","7","9","9","1") = "8"
    & skf18("9","2","7","7","9","10","1") = "9"
    & skf18("9","2","7","7","10","1","1") = "9"
    & skf18("9","2","7","7","10","2","1") = "9"
    & skf18("9","2","7","7","10","3","1") = "9"
    & skf18("9","2","7","7","10","4","1") = "9"
    & skf18("9","2","7","7","10","5","1") = "9"
    & skf18("9","2","7","7","10","6","1") = "9"
    & skf18("9","2","7","7","10","7","1") = "9"
    & skf18("9","2","7","7","10","8","1") = "9"
    & skf18("9","2","7","7","10","9","1") = "9"
    & skf18("9","2","7","7","10","10","1") = "9"
    & skf18("9","2","7","8","1","1","1") = "8"
    & skf18("9","2","7","8","1","2","1") = "8"
    & skf18("9","2","7","8","1","3","1") = "8"
    & skf18("9","2","7","8","1","4","1") = "8"
    & skf18("9","2","7","8","1","5","1") = "8"
    & skf18("9","2","7","8","1","6","1") = "8"
    & skf18("9","2","7","8","1","7","1") = "8"
    & skf18("9","2","7","8","1","8","1") = "8"
    & skf18("9","2","7","8","1","9","1") = "8"
    & skf18("9","2","7","8","1","10","1") = "9"
    & skf18("9","2","7","8","2","1","1") = "8"
    & skf18("9","2","7","8","2","2","1") = "8"
    & skf18("9","2","7","8","2","3","1") = "8"
    & skf18("9","2","7","8","2","4","1") = "8"
    & skf18("9","2","7","8","2","5","1") = "8"
    & skf18("9","2","7","8","2","6","1") = "8"
    & skf18("9","2","7","8","2","7","1") = "8"
    & skf18("9","2","7","8","2","8","1") = "8"
    & skf18("9","2","7","8","2","9","1") = "8"
    & skf18("9","2","7","8","2","10","1") = "9"
    & skf18("9","2","7","8","3","1","1") = "8"
    & skf18("9","2","7","8","3","2","1") = "8"
    & skf18("9","2","7","8","3","3","1") = "8"
    & skf18("9","2","7","8","3","4","1") = "8"
    & skf18("9","2","7","8","3","5","1") = "8"
    & skf18("9","2","7","8","3","6","1") = "8"
    & skf18("9","2","7","8","3","7","1") = "8"
    & skf18("9","2","7","8","3","8","1") = "8"
    & skf18("9","2","7","8","3","9","1") = "8"
    & skf18("9","2","7","8","3","10","1") = "9"
    & skf18("9","2","7","8","4","1","1") = "8"
    & skf18("9","2","7","8","4","2","1") = "8"
    & skf18("9","2","7","8","4","3","1") = "8"
    & skf18("9","2","7","8","4","4","1") = "8"
    & skf18("9","2","7","8","4","5","1") = "8"
    & skf18("9","2","7","8","4","6","1") = "8"
    & skf18("9","2","7","8","4","7","1") = "8"
    & skf18("9","2","7","8","4","8","1") = "8"
    & skf18("9","2","7","8","4","9","1") = "8"
    & skf18("9","2","7","8","4","10","1") = "9"
    & skf18("9","2","7","8","5","1","1") = "8"
    & skf18("9","2","7","8","5","2","1") = "8"
    & skf18("9","2","7","8","5","3","1") = "8"
    & skf18("9","2","7","8","5","4","1") = "8"
    & skf18("9","2","7","8","5","5","1") = "8"
    & skf18("9","2","7","8","5","6","1") = "8"
    & skf18("9","2","7","8","5","7","1") = "8"
    & skf18("9","2","7","8","5","8","1") = "8"
    & skf18("9","2","7","8","5","9","1") = "8"
    & skf18("9","2","7","8","5","10","1") = "9"
    & skf18("9","2","7","8","6","1","1") = "8"
    & skf18("9","2","7","8","6","2","1") = "8"
    & skf18("9","2","7","8","6","3","1") = "8"
    & skf18("9","2","7","8","6","4","1") = "8"
    & skf18("9","2","7","8","6","5","1") = "8"
    & skf18("9","2","7","8","6","6","1") = "8"
    & skf18("9","2","7","8","6","7","1") = "8"
    & skf18("9","2","7","8","6","8","1") = "8"
    & skf18("9","2","7","8","6","9","1") = "8"
    & skf18("9","2","7","8","6","10","1") = "9"
    & skf18("9","2","7","8","7","1","1") = "8"
    & skf18("9","2","7","8","7","2","1") = "8"
    & skf18("9","2","7","8","7","3","1") = "8"
    & skf18("9","2","7","8","7","4","1") = "8"
    & skf18("9","2","7","8","7","5","1") = "8"
    & skf18("9","2","7","8","7","6","1") = "8"
    & skf18("9","2","7","8","7","7","1") = "8"
    & skf18("9","2","7","8","7","8","1") = "8"
    & skf18("9","2","7","8","7","9","1") = "8"
    & skf18("9","2","7","8","7","10","1") = "9"
    & skf18("9","2","7","8","8","1","1") = "8"
    & skf18("9","2","7","8","8","2","1") = "8"
    & skf18("9","2","7","8","8","3","1") = "8"
    & skf18("9","2","7","8","8","4","1") = "8"
    & skf18("9","2","7","8","8","5","1") = "8"
    & skf18("9","2","7","8","8","6","1") = "8"
    & skf18("9","2","7","8","8","7","1") = "8"
    & skf18("9","2","7","8","8","8","1") = "8"
    & skf18("9","2","7","8","8","9","1") = "8"
    & skf18("9","2","7","8","8","10","1") = "9"
    & skf18("9","2","7","8","9","1","1") = "8"
    & skf18("9","2","7","8","9","2","1") = "8"
    & skf18("9","2","7","8","9","3","1") = "8"
    & skf18("9","2","7","8","9","4","1") = "8"
    & skf18("9","2","7","8","9","5","1") = "8"
    & skf18("9","2","7","8","9","6","1") = "8"
    & skf18("9","2","7","8","9","7","1") = "8"
    & skf18("9","2","7","8","9","8","1") = "8"
    & skf18("9","2","7","8","9","9","1") = "8"
    & skf18("9","2","7","8","9","10","1") = "9"
    & skf18("9","2","7","8","10","1","1") = "9"
    & skf18("9","2","7","8","10","2","1") = "9"
    & skf18("9","2","7","8","10","3","1") = "9"
    & skf18("9","2","7","8","10","4","1") = "9"
    & skf18("9","2","7","8","10","5","1") = "9"
    & skf18("9","2","7","8","10","6","1") = "9"
    & skf18("9","2","7","8","10","7","1") = "9"
    & skf18("9","2","7","8","10","8","1") = "9"
    & skf18("9","2","7","8","10","9","1") = "9"
    & skf18("9","2","7","8","10","10","1") = "9"
    & skf18("9","2","7","9","1","1","1") = "8"
    & skf18("9","2","7","9","1","2","1") = "8"
    & skf18("9","2","7","9","1","3","1") = "8"
    & skf18("9","2","7","9","1","4","1") = "8"
    & skf18("9","2","7","9","1","5","1") = "8"
    & skf18("9","2","7","9","1","6","1") = "8"
    & skf18("9","2","7","9","1","7","1") = "8"
    & skf18("9","2","7","9","1","8","1") = "8"
    & skf18("9","2","7","9","1","9","1") = "8"
    & skf18("9","2","7","9","1","10","1") = "9"
    & skf18("9","2","7","9","2","1","1") = "8"
    & skf18("9","2","7","9","2","2","1") = "8"
    & skf18("9","2","7","9","2","3","1") = "8"
    & skf18("9","2","7","9","2","4","1") = "8"
    & skf18("9","2","7","9","2","5","1") = "8"
    & skf18("9","2","7","9","2","6","1") = "8"
    & skf18("9","2","7","9","2","7","1") = "8"
    & skf18("9","2","7","9","2","8","1") = "8"
    & skf18("9","2","7","9","2","9","1") = "8"
    & skf18("9","2","7","9","2","10","1") = "9"
    & skf18("9","2","7","9","3","1","1") = "8"
    & skf18("9","2","7","9","3","2","1") = "8"
    & skf18("9","2","7","9","3","3","1") = "8"
    & skf18("9","2","7","9","3","4","1") = "8"
    & skf18("9","2","7","9","3","5","1") = "8"
    & skf18("9","2","7","9","3","6","1") = "8"
    & skf18("9","2","7","9","3","7","1") = "8"
    & skf18("9","2","7","9","3","8","1") = "8"
    & skf18("9","2","7","9","3","9","1") = "8"
    & skf18("9","2","7","9","3","10","1") = "9"
    & skf18("9","2","7","9","4","1","1") = "8"
    & skf18("9","2","7","9","4","2","1") = "8"
    & skf18("9","2","7","9","4","3","1") = "8"
    & skf18("9","2","7","9","4","4","1") = "8"
    & skf18("9","2","7","9","4","5","1") = "8"
    & skf18("9","2","7","9","4","6","1") = "8"
    & skf18("9","2","7","9","4","7","1") = "8"
    & skf18("9","2","7","9","4","8","1") = "8"
    & skf18("9","2","7","9","4","9","1") = "8"
    & skf18("9","2","7","9","4","10","1") = "9"
    & skf18("9","2","7","9","5","1","1") = "8"
    & skf18("9","2","7","9","5","2","1") = "8"
    & skf18("9","2","7","9","5","3","1") = "8"
    & skf18("9","2","7","9","5","4","1") = "8"
    & skf18("9","2","7","9","5","5","1") = "8"
    & skf18("9","2","7","9","5","6","1") = "8"
    & skf18("9","2","7","9","5","7","1") = "8"
    & skf18("9","2","7","9","5","8","1") = "8"
    & skf18("9","2","7","9","5","9","1") = "8"
    & skf18("9","2","7","9","5","10","1") = "9"
    & skf18("9","2","7","9","6","1","1") = "8"
    & skf18("9","2","7","9","6","2","1") = "8"
    & skf18("9","2","7","9","6","3","1") = "8"
    & skf18("9","2","7","9","6","4","1") = "8"
    & skf18("9","2","7","9","6","5","1") = "8"
    & skf18("9","2","7","9","6","6","1") = "8"
    & skf18("9","2","7","9","6","7","1") = "8"
    & skf18("9","2","7","9","6","8","1") = "8"
    & skf18("9","2","7","9","6","9","1") = "8"
    & skf18("9","2","7","9","6","10","1") = "9"
    & skf18("9","2","7","9","7","1","1") = "8"
    & skf18("9","2","7","9","7","2","1") = "8"
    & skf18("9","2","7","9","7","3","1") = "8"
    & skf18("9","2","7","9","7","4","1") = "8"
    & skf18("9","2","7","9","7","5","1") = "8"
    & skf18("9","2","7","9","7","6","1") = "8"
    & skf18("9","2","7","9","7","7","1") = "8"
    & skf18("9","2","7","9","7","8","1") = "8"
    & skf18("9","2","7","9","7","9","1") = "8"
    & skf18("9","2","7","9","7","10","1") = "9"
    & skf18("9","2","7","9","8","1","1") = "8"
    & skf18("9","2","7","9","8","2","1") = "8"
    & skf18("9","2","7","9","8","3","1") = "8"
    & skf18("9","2","7","9","8","4","1") = "8"
    & skf18("9","2","7","9","8","5","1") = "8"
    & skf18("9","2","7","9","8","6","1") = "8"
    & skf18("9","2","7","9","8","7","1") = "8"
    & skf18("9","2","7","9","8","8","1") = "8"
    & skf18("9","2","7","9","8","9","1") = "8"
    & skf18("9","2","7","9","8","10","1") = "9"
    & skf18("9","2","7","9","9","1","1") = "8"
    & skf18("9","2","7","9","9","2","1") = "8"
    & skf18("9","2","7","9","9","3","1") = "8"
    & skf18("9","2","7","9","9","4","1") = "8"
    & skf18("9","2","7","9","9","5","1") = "8"
    & skf18("9","2","7","9","9","6","1") = "8"
    & skf18("9","2","7","9","9","7","1") = "8"
    & skf18("9","2","7","9","9","8","1") = "8"
    & skf18("9","2","7","9","9","9","1") = "8"
    & skf18("9","2","7","9","9","10","1") = "9"
    & skf18("9","2","7","9","10","1","1") = "9"
    & skf18("9","2","7","9","10","2","1") = "9"
    & skf18("9","2","7","9","10","3","1") = "9"
    & skf18("9","2","7","9","10","4","1") = "9"
    & skf18("9","2","7","9","10","5","1") = "9"
    & skf18("9","2","7","9","10","6","1") = "9"
    & skf18("9","2","7","9","10","7","1") = "9"
    & skf18("9","2","7","9","10","8","1") = "9"
    & skf18("9","2","7","9","10","9","1") = "9"
    & skf18("9","2","7","9","10","10","1") = "9"
    & skf18("9","2","7","10","1","1","1") = "9"
    & skf18("9","2","7","10","1","2","1") = "9"
    & skf18("9","2","7","10","1","3","1") = "9"
    & skf18("9","2","7","10","1","4","1") = "9"
    & skf18("9","2","7","10","1","5","1") = "9"
    & skf18("9","2","7","10","1","6","1") = "9"
    & skf18("9","2","7","10","1","7","1") = "9"
    & skf18("9","2","7","10","1","8","1") = "9"
    & skf18("9","2","7","10","1","9","1") = "9"
    & skf18("9","2","7","10","1","10","1") = "9"
    & skf18("9","2","7","10","2","1","1") = "9"
    & skf18("9","2","7","10","2","2","1") = "9"
    & skf18("9","2","7","10","2","3","1") = "9"
    & skf18("9","2","7","10","2","4","1") = "9"
    & skf18("9","2","7","10","2","5","1") = "9"
    & skf18("9","2","7","10","2","6","1") = "9"
    & skf18("9","2","7","10","2","7","1") = "9"
    & skf18("9","2","7","10","2","8","1") = "9"
    & skf18("9","2","7","10","2","9","1") = "9"
    & skf18("9","2","7","10","2","10","1") = "9"
    & skf18("9","2","7","10","3","1","1") = "9"
    & skf18("9","2","7","10","3","2","1") = "9"
    & skf18("9","2","7","10","3","3","1") = "9"
    & skf18("9","2","7","10","3","4","1") = "9"
    & skf18("9","2","7","10","3","5","1") = "9"
    & skf18("9","2","7","10","3","6","1") = "9"
    & skf18("9","2","7","10","3","7","1") = "9"
    & skf18("9","2","7","10","3","8","1") = "9"
    & skf18("9","2","7","10","3","9","1") = "9"
    & skf18("9","2","7","10","3","10","1") = "9"
    & skf18("9","2","7","10","4","1","1") = "9"
    & skf18("9","2","7","10","4","2","1") = "9"
    & skf18("9","2","7","10","4","3","1") = "9"
    & skf18("9","2","7","10","4","4","1") = "9"
    & skf18("9","2","7","10","4","5","1") = "9"
    & skf18("9","2","7","10","4","6","1") = "9"
    & skf18("9","2","7","10","4","7","1") = "9"
    & skf18("9","2","7","10","4","8","1") = "9"
    & skf18("9","2","7","10","4","9","1") = "9"
    & skf18("9","2","7","10","4","10","1") = "9"
    & skf18("9","2","7","10","5","1","1") = "9"
    & skf18("9","2","7","10","5","2","1") = "9"
    & skf18("9","2","7","10","5","3","1") = "9"
    & skf18("9","2","7","10","5","4","1") = "9"
    & skf18("9","2","7","10","5","5","1") = "9"
    & skf18("9","2","7","10","5","6","1") = "9"
    & skf18("9","2","7","10","5","7","1") = "9"
    & skf18("9","2","7","10","5","8","1") = "9"
    & skf18("9","2","7","10","5","9","1") = "9"
    & skf18("9","2","7","10","5","10","1") = "9"
    & skf18("9","2","7","10","6","1","1") = "9"
    & skf18("9","2","7","10","6","2","1") = "9"
    & skf18("9","2","7","10","6","3","1") = "9"
    & skf18("9","2","7","10","6","4","1") = "9"
    & skf18("9","2","7","10","6","5","1") = "9"
    & skf18("9","2","7","10","6","6","1") = "9"
    & skf18("9","2","7","10","6","7","1") = "9"
    & skf18("9","2","7","10","6","8","1") = "9"
    & skf18("9","2","7","10","6","9","1") = "9"
    & skf18("9","2","7","10","6","10","1") = "9"
    & skf18("9","2","7","10","7","1","1") = "9"
    & skf18("9","2","7","10","7","2","1") = "9"
    & skf18("9","2","7","10","7","3","1") = "9"
    & skf18("9","2","7","10","7","4","1") = "9"
    & skf18("9","2","7","10","7","5","1") = "9"
    & skf18("9","2","7","10","7","6","1") = "9"
    & skf18("9","2","7","10","7","7","1") = "9"
    & skf18("9","2","7","10","7","8","1") = "9"
    & skf18("9","2","7","10","7","9","1") = "9"
    & skf18("9","2","7","10","7","10","1") = "9"
    & skf18("9","2","7","10","8","1","1") = "9"
    & skf18("9","2","7","10","8","2","1") = "9"
    & skf18("9","2","7","10","8","3","1") = "9"
    & skf18("9","2","7","10","8","4","1") = "9"
    & skf18("9","2","7","10","8","5","1") = "9"
    & skf18("9","2","7","10","8","6","1") = "9"
    & skf18("9","2","7","10","8","7","1") = "9"
    & skf18("9","2","7","10","8","8","1") = "9"
    & skf18("9","2","7","10","8","9","1") = "9"
    & skf18("9","2","7","10","8","10","1") = "9"
    & skf18("9","2","7","10","9","1","1") = "9"
    & skf18("9","2","7","10","9","2","1") = "9"
    & skf18("9","2","7","10","9","3","1") = "9"
    & skf18("9","2","7","10","9","4","1") = "9"
    & skf18("9","2","7","10","9","5","1") = "9"
    & skf18("9","2","7","10","9","6","1") = "9"
    & skf18("9","2","7","10","9","7","1") = "9"
    & skf18("9","2","7","10","9","8","1") = "9"
    & skf18("9","2","7","10","9","9","1") = "9"
    & skf18("9","2","7","10","9","10","1") = "9"
    & skf18("9","2","7","10","10","1","1") = "9"
    & skf18("9","2","7","10","10","2","1") = "9"
    & skf18("9","2","7","10","10","3","1") = "9"
    & skf18("9","2","7","10","10","4","1") = "9"
    & skf18("9","2","7","10","10","5","1") = "9"
    & skf18("9","2","7","10","10","6","1") = "9"
    & skf18("9","2","7","10","10","7","1") = "9"
    & skf18("9","2","7","10","10","8","1") = "9"
    & skf18("9","2","7","10","10","9","1") = "9"
    & skf18("9","2","7","10","10","10","1") = "9"
    & skf18("9","2","8","1","1","1","1") = "8"
    & skf18("9","2","8","1","1","2","1") = "8"
    & skf18("9","2","8","1","1","3","1") = "8"
    & skf18("9","2","8","1","1","4","1") = "8"
    & skf18("9","2","8","1","1","5","1") = "8"
    & skf18("9","2","8","1","1","6","1") = "8"
    & skf18("9","2","8","1","1","7","1") = "8"
    & skf18("9","2","8","1","1","8","1") = "8"
    & skf18("9","2","8","1","1","9","1") = "8"
    & skf18("9","2","8","1","1","10","1") = "9"
    & skf18("9","2","8","1","2","1","1") = "8"
    & skf18("9","2","8","1","2","2","1") = "8"
    & skf18("9","2","8","1","2","3","1") = "8"
    & skf18("9","2","8","1","2","4","1") = "8"
    & skf18("9","2","8","1","2","5","1") = "8"
    & skf18("9","2","8","1","2","6","1") = "8"
    & skf18("9","2","8","1","2","7","1") = "8"
    & skf18("9","2","8","1","2","8","1") = "8"
    & skf18("9","2","8","1","2","9","1") = "8"
    & skf18("9","2","8","1","2","10","1") = "9"
    & skf18("9","2","8","1","3","1","1") = "8"
    & skf18("9","2","8","1","3","2","1") = "8"
    & skf18("9","2","8","1","3","3","1") = "8"
    & skf18("9","2","8","1","3","4","1") = "8"
    & skf18("9","2","8","1","3","5","1") = "8"
    & skf18("9","2","8","1","3","6","1") = "8"
    & skf18("9","2","8","1","3","7","1") = "8"
    & skf18("9","2","8","1","3","8","1") = "8"
    & skf18("9","2","8","1","3","9","1") = "8"
    & skf18("9","2","8","1","3","10","1") = "9"
    & skf18("9","2","8","1","4","1","1") = "8"
    & skf18("9","2","8","1","4","2","1") = "8"
    & skf18("9","2","8","1","4","3","1") = "8"
    & skf18("9","2","8","1","4","4","1") = "8"
    & skf18("9","2","8","1","4","5","1") = "8"
    & skf18("9","2","8","1","4","6","1") = "8"
    & skf18("9","2","8","1","4","7","1") = "8"
    & skf18("9","2","8","1","4","8","1") = "8"
    & skf18("9","2","8","1","4","9","1") = "8"
    & skf18("9","2","8","1","4","10","1") = "9"
    & skf18("9","2","8","1","5","1","1") = "8"
    & skf18("9","2","8","1","5","2","1") = "8"
    & skf18("9","2","8","1","5","3","1") = "8"
    & skf18("9","2","8","1","5","4","1") = "8"
    & skf18("9","2","8","1","5","5","1") = "8"
    & skf18("9","2","8","1","5","6","1") = "8"
    & skf18("9","2","8","1","5","7","1") = "8"
    & skf18("9","2","8","1","5","8","1") = "8"
    & skf18("9","2","8","1","5","9","1") = "8"
    & skf18("9","2","8","1","5","10","1") = "9"
    & skf18("9","2","8","1","6","1","1") = "8"
    & skf18("9","2","8","1","6","2","1") = "8"
    & skf18("9","2","8","1","6","3","1") = "8"
    & skf18("9","2","8","1","6","4","1") = "8"
    & skf18("9","2","8","1","6","5","1") = "8"
    & skf18("9","2","8","1","6","6","1") = "8"
    & skf18("9","2","8","1","6","7","1") = "8"
    & skf18("9","2","8","1","6","8","1") = "8"
    & skf18("9","2","8","1","6","9","1") = "8"
    & skf18("9","2","8","1","6","10","1") = "9"
    & skf18("9","2","8","1","7","1","1") = "8"
    & skf18("9","2","8","1","7","2","1") = "8"
    & skf18("9","2","8","1","7","3","1") = "8"
    & skf18("9","2","8","1","7","4","1") = "8"
    & skf18("9","2","8","1","7","5","1") = "8"
    & skf18("9","2","8","1","7","6","1") = "8"
    & skf18("9","2","8","1","7","7","1") = "8"
    & skf18("9","2","8","1","7","8","1") = "8"
    & skf18("9","2","8","1","7","9","1") = "8"
    & skf18("9","2","8","1","7","10","1") = "9"
    & skf18("9","2","8","1","8","1","1") = "8"
    & skf18("9","2","8","1","8","2","1") = "8"
    & skf18("9","2","8","1","8","3","1") = "8"
    & skf18("9","2","8","1","8","4","1") = "8"
    & skf18("9","2","8","1","8","5","1") = "8"
    & skf18("9","2","8","1","8","6","1") = "8"
    & skf18("9","2","8","1","8","7","1") = "8"
    & skf18("9","2","8","1","8","8","1") = "8"
    & skf18("9","2","8","1","8","9","1") = "8"
    & skf18("9","2","8","1","8","10","1") = "9"
    & skf18("9","2","8","1","9","1","1") = "8"
    & skf18("9","2","8","1","9","2","1") = "8"
    & skf18("9","2","8","1","9","3","1") = "8"
    & skf18("9","2","8","1","9","4","1") = "8"
    & skf18("9","2","8","1","9","5","1") = "8"
    & skf18("9","2","8","1","9","6","1") = "8"
    & skf18("9","2","8","1","9","7","1") = "8"
    & skf18("9","2","8","1","9","8","1") = "8"
    & skf18("9","2","8","1","9","9","1") = "8"
    & skf18("9","2","8","1","9","10","1") = "9"
    & skf18("9","2","8","1","10","1","1") = "9"
    & skf18("9","2","8","1","10","2","1") = "9"
    & skf18("9","2","8","1","10","3","1") = "9"
    & skf18("9","2","8","1","10","4","1") = "9"
    & skf18("9","2","8","1","10","5","1") = "9"
    & skf18("9","2","8","1","10","6","1") = "9"
    & skf18("9","2","8","1","10","7","1") = "9"
    & skf18("9","2","8","1","10","8","1") = "9"
    & skf18("9","2","8","1","10","9","1") = "9"
    & skf18("9","2","8","1","10","10","1") = "9"
    & skf18("9","2","8","2","1","1","1") = "8"
    & skf18("9","2","8","2","1","2","1") = "8"
    & skf18("9","2","8","2","1","3","1") = "8"
    & skf18("9","2","8","2","1","4","1") = "8"
    & skf18("9","2","8","2","1","5","1") = "8"
    & skf18("9","2","8","2","1","6","1") = "8"
    & skf18("9","2","8","2","1","7","1") = "8"
    & skf18("9","2","8","2","1","8","1") = "8"
    & skf18("9","2","8","2","1","9","1") = "8"
    & skf18("9","2","8","2","1","10","1") = "9"
    & skf18("9","2","8","2","2","1","1") = "8"
    & skf18("9","2","8","2","2","2","1") = "8"
    & skf18("9","2","8","2","2","3","1") = "8"
    & skf18("9","2","8","2","2","4","1") = "8"
    & skf18("9","2","8","2","2","5","1") = "8"
    & skf18("9","2","8","2","2","6","1") = "8"
    & skf18("9","2","8","2","2","7","1") = "8"
    & skf18("9","2","8","2","2","8","1") = "8"
    & skf18("9","2","8","2","2","9","1") = "8"
    & skf18("9","2","8","2","2","10","1") = "9"
    & skf18("9","2","8","2","3","1","1") = "8"
    & skf18("9","2","8","2","3","2","1") = "8"
    & skf18("9","2","8","2","3","3","1") = "8"
    & skf18("9","2","8","2","3","4","1") = "8"
    & skf18("9","2","8","2","3","5","1") = "8"
    & skf18("9","2","8","2","3","6","1") = "8"
    & skf18("9","2","8","2","3","7","1") = "8"
    & skf18("9","2","8","2","3","8","1") = "8"
    & skf18("9","2","8","2","3","9","1") = "8"
    & skf18("9","2","8","2","3","10","1") = "9"
    & skf18("9","2","8","2","4","1","1") = "8"
    & skf18("9","2","8","2","4","2","1") = "8"
    & skf18("9","2","8","2","4","3","1") = "8"
    & skf18("9","2","8","2","4","4","1") = "8"
    & skf18("9","2","8","2","4","5","1") = "8"
    & skf18("9","2","8","2","4","6","1") = "8"
    & skf18("9","2","8","2","4","7","1") = "8"
    & skf18("9","2","8","2","4","8","1") = "8"
    & skf18("9","2","8","2","4","9","1") = "8"
    & skf18("9","2","8","2","4","10","1") = "9"
    & skf18("9","2","8","2","5","1","1") = "8"
    & skf18("9","2","8","2","5","2","1") = "8"
    & skf18("9","2","8","2","5","3","1") = "8"
    & skf18("9","2","8","2","5","4","1") = "8"
    & skf18("9","2","8","2","5","5","1") = "8"
    & skf18("9","2","8","2","5","6","1") = "8"
    & skf18("9","2","8","2","5","7","1") = "8"
    & skf18("9","2","8","2","5","8","1") = "8"
    & skf18("9","2","8","2","5","9","1") = "8"
    & skf18("9","2","8","2","5","10","1") = "9"
    & skf18("9","2","8","2","6","1","1") = "8"
    & skf18("9","2","8","2","6","2","1") = "8"
    & skf18("9","2","8","2","6","3","1") = "8"
    & skf18("9","2","8","2","6","4","1") = "8"
    & skf18("9","2","8","2","6","5","1") = "8"
    & skf18("9","2","8","2","6","6","1") = "8"
    & skf18("9","2","8","2","6","7","1") = "8"
    & skf18("9","2","8","2","6","8","1") = "8"
    & skf18("9","2","8","2","6","9","1") = "8"
    & skf18("9","2","8","2","6","10","1") = "9"
    & skf18("9","2","8","2","7","1","1") = "8"
    & skf18("9","2","8","2","7","2","1") = "8"
    & skf18("9","2","8","2","7","3","1") = "8"
    & skf18("9","2","8","2","7","4","1") = "8"
    & skf18("9","2","8","2","7","5","1") = "8"
    & skf18("9","2","8","2","7","6","1") = "8"
    & skf18("9","2","8","2","7","7","1") = "8"
    & skf18("9","2","8","2","7","8","1") = "8"
    & skf18("9","2","8","2","7","9","1") = "8"
    & skf18("9","2","8","2","7","10","1") = "9"
    & skf18("9","2","8","2","8","1","1") = "8"
    & skf18("9","2","8","2","8","2","1") = "8"
    & skf18("9","2","8","2","8","3","1") = "8"
    & skf18("9","2","8","2","8","4","1") = "8"
    & skf18("9","2","8","2","8","5","1") = "8"
    & skf18("9","2","8","2","8","6","1") = "8"
    & skf18("9","2","8","2","8","7","1") = "8"
    & skf18("9","2","8","2","8","8","1") = "8"
    & skf18("9","2","8","2","8","9","1") = "8"
    & skf18("9","2","8","2","8","10","1") = "9"
    & skf18("9","2","8","2","9","1","1") = "8"
    & skf18("9","2","8","2","9","2","1") = "8"
    & skf18("9","2","8","2","9","3","1") = "8"
    & skf18("9","2","8","2","9","4","1") = "8"
    & skf18("9","2","8","2","9","5","1") = "8"
    & skf18("9","2","8","2","9","6","1") = "8"
    & skf18("9","2","8","2","9","7","1") = "8"
    & skf18("9","2","8","2","9","8","1") = "8"
    & skf18("9","2","8","2","9","9","1") = "8"
    & skf18("9","2","8","2","9","10","1") = "9"
    & skf18("9","2","8","2","10","1","1") = "9"
    & skf18("9","2","8","2","10","2","1") = "9"
    & skf18("9","2","8","2","10","3","1") = "9"
    & skf18("9","2","8","2","10","4","1") = "9"
    & skf18("9","2","8","2","10","5","1") = "9"
    & skf18("9","2","8","2","10","6","1") = "9"
    & skf18("9","2","8","2","10","7","1") = "9"
    & skf18("9","2","8","2","10","8","1") = "9"
    & skf18("9","2","8","2","10","9","1") = "9"
    & skf18("9","2","8","2","10","10","1") = "9"
    & skf18("9","2","8","3","1","1","1") = "8"
    & skf18("9","2","8","3","1","2","1") = "8"
    & skf18("9","2","8","3","1","3","1") = "8"
    & skf18("9","2","8","3","1","4","1") = "8"
    & skf18("9","2","8","3","1","5","1") = "8"
    & skf18("9","2","8","3","1","6","1") = "8"
    & skf18("9","2","8","3","1","7","1") = "8"
    & skf18("9","2","8","3","1","8","1") = "8"
    & skf18("9","2","8","3","1","9","1") = "8"
    & skf18("9","2","8","3","1","10","1") = "9"
    & skf18("9","2","8","3","2","1","1") = "8"
    & skf18("9","2","8","3","2","2","1") = "8"
    & skf18("9","2","8","3","2","3","1") = "8"
    & skf18("9","2","8","3","2","4","1") = "8"
    & skf18("9","2","8","3","2","5","1") = "8"
    & skf18("9","2","8","3","2","6","1") = "8"
    & skf18("9","2","8","3","2","7","1") = "8"
    & skf18("9","2","8","3","2","8","1") = "8"
    & skf18("9","2","8","3","2","9","1") = "8"
    & skf18("9","2","8","3","2","10","1") = "9"
    & skf18("9","2","8","3","3","1","1") = "8"
    & skf18("9","2","8","3","3","2","1") = "8"
    & skf18("9","2","8","3","3","3","1") = "8"
    & skf18("9","2","8","3","3","4","1") = "8"
    & skf18("9","2","8","3","3","5","1") = "8"
    & skf18("9","2","8","3","3","6","1") = "8"
    & skf18("9","2","8","3","3","7","1") = "8"
    & skf18("9","2","8","3","3","8","1") = "8"
    & skf18("9","2","8","3","3","9","1") = "8"
    & skf18("9","2","8","3","3","10","1") = "9"
    & skf18("9","2","8","3","4","1","1") = "8"
    & skf18("9","2","8","3","4","2","1") = "8"
    & skf18("9","2","8","3","4","3","1") = "8"
    & skf18("9","2","8","3","4","4","1") = "8"
    & skf18("9","2","8","3","4","5","1") = "8"
    & skf18("9","2","8","3","4","6","1") = "8"
    & skf18("9","2","8","3","4","7","1") = "8"
    & skf18("9","2","8","3","4","8","1") = "8"
    & skf18("9","2","8","3","4","9","1") = "8"
    & skf18("9","2","8","3","4","10","1") = "9"
    & skf18("9","2","8","3","5","1","1") = "8"
    & skf18("9","2","8","3","5","2","1") = "8"
    & skf18("9","2","8","3","5","3","1") = "8"
    & skf18("9","2","8","3","5","4","1") = "8"
    & skf18("9","2","8","3","5","5","1") = "8"
    & skf18("9","2","8","3","5","6","1") = "8"
    & skf18("9","2","8","3","5","7","1") = "8"
    & skf18("9","2","8","3","5","8","1") = "8"
    & skf18("9","2","8","3","5","9","1") = "8"
    & skf18("9","2","8","3","5","10","1") = "9"
    & skf18("9","2","8","3","6","1","1") = "8"
    & skf18("9","2","8","3","6","2","1") = "8"
    & skf18("9","2","8","3","6","3","1") = "8"
    & skf18("9","2","8","3","6","4","1") = "8"
    & skf18("9","2","8","3","6","5","1") = "8"
    & skf18("9","2","8","3","6","6","1") = "8"
    & skf18("9","2","8","3","6","7","1") = "8"
    & skf18("9","2","8","3","6","8","1") = "8"
    & skf18("9","2","8","3","6","9","1") = "8"
    & skf18("9","2","8","3","6","10","1") = "9"
    & skf18("9","2","8","3","7","1","1") = "8"
    & skf18("9","2","8","3","7","2","1") = "8"
    & skf18("9","2","8","3","7","3","1") = "8"
    & skf18("9","2","8","3","7","4","1") = "8"
    & skf18("9","2","8","3","7","5","1") = "8"
    & skf18("9","2","8","3","7","6","1") = "8"
    & skf18("9","2","8","3","7","7","1") = "8"
    & skf18("9","2","8","3","7","8","1") = "8"
    & skf18("9","2","8","3","7","9","1") = "8"
    & skf18("9","2","8","3","7","10","1") = "9"
    & skf18("9","2","8","3","8","1","1") = "8"
    & skf18("9","2","8","3","8","2","1") = "8"
    & skf18("9","2","8","3","8","3","1") = "8"
    & skf18("9","2","8","3","8","4","1") = "8"
    & skf18("9","2","8","3","8","5","1") = "8"
    & skf18("9","2","8","3","8","6","1") = "8"
    & skf18("9","2","8","3","8","7","1") = "8"
    & skf18("9","2","8","3","8","8","1") = "8"
    & skf18("9","2","8","3","8","9","1") = "8"
    & skf18("9","2","8","3","8","10","1") = "9"
    & skf18("9","2","8","3","9","1","1") = "8"
    & skf18("9","2","8","3","9","2","1") = "8"
    & skf18("9","2","8","3","9","3","1") = "8"
    & skf18("9","2","8","3","9","4","1") = "8"
    & skf18("9","2","8","3","9","5","1") = "8"
    & skf18("9","2","8","3","9","6","1") = "8"
    & skf18("9","2","8","3","9","7","1") = "8"
    & skf18("9","2","8","3","9","8","1") = "8"
    & skf18("9","2","8","3","9","9","1") = "8"
    & skf18("9","2","8","3","9","10","1") = "9"
    & skf18("9","2","8","3","10","1","1") = "9"
    & skf18("9","2","8","3","10","2","1") = "9"
    & skf18("9","2","8","3","10","3","1") = "9"
    & skf18("9","2","8","3","10","4","1") = "9"
    & skf18("9","2","8","3","10","5","1") = "9"
    & skf18("9","2","8","3","10","6","1") = "9"
    & skf18("9","2","8","3","10","7","1") = "9"
    & skf18("9","2","8","3","10","8","1") = "9"
    & skf18("9","2","8","3","10","9","1") = "9"
    & skf18("9","2","8","3","10","10","1") = "9"
    & skf18("9","2","8","4","1","1","1") = "8"
    & skf18("9","2","8","4","1","2","1") = "8"
    & skf18("9","2","8","4","1","3","1") = "8"
    & skf18("9","2","8","4","1","4","1") = "8"
    & skf18("9","2","8","4","1","5","1") = "8"
    & skf18("9","2","8","4","1","6","1") = "8"
    & skf18("9","2","8","4","1","7","1") = "8"
    & skf18("9","2","8","4","1","8","1") = "8"
    & skf18("9","2","8","4","1","9","1") = "8"
    & skf18("9","2","8","4","1","10","1") = "9"
    & skf18("9","2","8","4","2","1","1") = "8"
    & skf18("9","2","8","4","2","2","1") = "8"
    & skf18("9","2","8","4","2","3","1") = "8"
    & skf18("9","2","8","4","2","4","1") = "8"
    & skf18("9","2","8","4","2","5","1") = "8"
    & skf18("9","2","8","4","2","6","1") = "8"
    & skf18("9","2","8","4","2","7","1") = "8"
    & skf18("9","2","8","4","2","8","1") = "8"
    & skf18("9","2","8","4","2","9","1") = "8"
    & skf18("9","2","8","4","2","10","1") = "9"
    & skf18("9","2","8","4","3","1","1") = "8"
    & skf18("9","2","8","4","3","2","1") = "8"
    & skf18("9","2","8","4","3","3","1") = "8"
    & skf18("9","2","8","4","3","4","1") = "8"
    & skf18("9","2","8","4","3","5","1") = "8"
    & skf18("9","2","8","4","3","6","1") = "8"
    & skf18("9","2","8","4","3","7","1") = "8"
    & skf18("9","2","8","4","3","8","1") = "8"
    & skf18("9","2","8","4","3","9","1") = "8"
    & skf18("9","2","8","4","3","10","1") = "9"
    & skf18("9","2","8","4","4","1","1") = "8"
    & skf18("9","2","8","4","4","2","1") = "8"
    & skf18("9","2","8","4","4","3","1") = "8"
    & skf18("9","2","8","4","4","4","1") = "8"
    & skf18("9","2","8","4","4","5","1") = "8"
    & skf18("9","2","8","4","4","6","1") = "8"
    & skf18("9","2","8","4","4","7","1") = "8"
    & skf18("9","2","8","4","4","8","1") = "8"
    & skf18("9","2","8","4","4","9","1") = "8"
    & skf18("9","2","8","4","4","10","1") = "9"
    & skf18("9","2","8","4","5","1","1") = "8"
    & skf18("9","2","8","4","5","2","1") = "8"
    & skf18("9","2","8","4","5","3","1") = "8"
    & skf18("9","2","8","4","5","4","1") = "8"
    & skf18("9","2","8","4","5","5","1") = "8"
    & skf18("9","2","8","4","5","6","1") = "8"
    & skf18("9","2","8","4","5","7","1") = "8"
    & skf18("9","2","8","4","5","8","1") = "8"
    & skf18("9","2","8","4","5","9","1") = "8"
    & skf18("9","2","8","4","5","10","1") = "9"
    & skf18("9","2","8","4","6","1","1") = "8"
    & skf18("9","2","8","4","6","2","1") = "8"
    & skf18("9","2","8","4","6","3","1") = "8"
    & skf18("9","2","8","4","6","4","1") = "8"
    & skf18("9","2","8","4","6","5","1") = "8"
    & skf18("9","2","8","4","6","6","1") = "8"
    & skf18("9","2","8","4","6","7","1") = "8"
    & skf18("9","2","8","4","6","8","1") = "8"
    & skf18("9","2","8","4","6","9","1") = "8"
    & skf18("9","2","8","4","6","10","1") = "9"
    & skf18("9","2","8","4","7","1","1") = "8"
    & skf18("9","2","8","4","7","2","1") = "8"
    & skf18("9","2","8","4","7","3","1") = "8"
    & skf18("9","2","8","4","7","4","1") = "8"
    & skf18("9","2","8","4","7","5","1") = "8"
    & skf18("9","2","8","4","7","6","1") = "8"
    & skf18("9","2","8","4","7","7","1") = "8"
    & skf18("9","2","8","4","7","8","1") = "8"
    & skf18("9","2","8","4","7","9","1") = "8"
    & skf18("9","2","8","4","7","10","1") = "9"
    & skf18("9","2","8","4","8","1","1") = "8"
    & skf18("9","2","8","4","8","2","1") = "8"
    & skf18("9","2","8","4","8","3","1") = "8"
    & skf18("9","2","8","4","8","4","1") = "8"
    & skf18("9","2","8","4","8","5","1") = "8"
    & skf18("9","2","8","4","8","6","1") = "8"
    & skf18("9","2","8","4","8","7","1") = "8"
    & skf18("9","2","8","4","8","8","1") = "8"
    & skf18("9","2","8","4","8","9","1") = "8"
    & skf18("9","2","8","4","8","10","1") = "9"
    & skf18("9","2","8","4","9","1","1") = "8"
    & skf18("9","2","8","4","9","2","1") = "8"
    & skf18("9","2","8","4","9","3","1") = "8"
    & skf18("9","2","8","4","9","4","1") = "8"
    & skf18("9","2","8","4","9","5","1") = "8"
    & skf18("9","2","8","4","9","6","1") = "8"
    & skf18("9","2","8","4","9","7","1") = "8"
    & skf18("9","2","8","4","9","8","1") = "8"
    & skf18("9","2","8","4","9","9","1") = "8"
    & skf18("9","2","8","4","9","10","1") = "9"
    & skf18("9","2","8","4","10","1","1") = "9"
    & skf18("9","2","8","4","10","2","1") = "9"
    & skf18("9","2","8","4","10","3","1") = "9"
    & skf18("9","2","8","4","10","4","1") = "9"
    & skf18("9","2","8","4","10","5","1") = "9"
    & skf18("9","2","8","4","10","6","1") = "9"
    & skf18("9","2","8","4","10","7","1") = "9"
    & skf18("9","2","8","4","10","8","1") = "9"
    & skf18("9","2","8","4","10","9","1") = "9"
    & skf18("9","2","8","4","10","10","1") = "9"
    & skf18("9","2","8","5","1","1","1") = "8"
    & skf18("9","2","8","5","1","2","1") = "8"
    & skf18("9","2","8","5","1","3","1") = "8"
    & skf18("9","2","8","5","1","4","1") = "8"
    & skf18("9","2","8","5","1","5","1") = "8"
    & skf18("9","2","8","5","1","6","1") = "8"
    & skf18("9","2","8","5","1","7","1") = "8"
    & skf18("9","2","8","5","1","8","1") = "8"
    & skf18("9","2","8","5","1","9","1") = "8"
    & skf18("9","2","8","5","1","10","1") = "9"
    & skf18("9","2","8","5","2","1","1") = "8"
    & skf18("9","2","8","5","2","2","1") = "8"
    & skf18("9","2","8","5","2","3","1") = "8"
    & skf18("9","2","8","5","2","4","1") = "8"
    & skf18("9","2","8","5","2","5","1") = "8"
    & skf18("9","2","8","5","2","6","1") = "8"
    & skf18("9","2","8","5","2","7","1") = "8"
    & skf18("9","2","8","5","2","8","1") = "8"
    & skf18("9","2","8","5","2","9","1") = "8"
    & skf18("9","2","8","5","2","10","1") = "9"
    & skf18("9","2","8","5","3","1","1") = "8"
    & skf18("9","2","8","5","3","2","1") = "8"
    & skf18("9","2","8","5","3","3","1") = "8"
    & skf18("9","2","8","5","3","4","1") = "8"
    & skf18("9","2","8","5","3","5","1") = "8"
    & skf18("9","2","8","5","3","6","1") = "8"
    & skf18("9","2","8","5","3","7","1") = "8"
    & skf18("9","2","8","5","3","8","1") = "8"
    & skf18("9","2","8","5","3","9","1") = "8"
    & skf18("9","2","8","5","3","10","1") = "9"
    & skf18("9","2","8","5","4","1","1") = "8"
    & skf18("9","2","8","5","4","2","1") = "8"
    & skf18("9","2","8","5","4","3","1") = "8"
    & skf18("9","2","8","5","4","4","1") = "8"
    & skf18("9","2","8","5","4","5","1") = "8"
    & skf18("9","2","8","5","4","6","1") = "8"
    & skf18("9","2","8","5","4","7","1") = "8"
    & skf18("9","2","8","5","4","8","1") = "8"
    & skf18("9","2","8","5","4","9","1") = "8"
    & skf18("9","2","8","5","4","10","1") = "9"
    & skf18("9","2","8","5","5","1","1") = "8"
    & skf18("9","2","8","5","5","2","1") = "8"
    & skf18("9","2","8","5","5","3","1") = "8"
    & skf18("9","2","8","5","5","4","1") = "8"
    & skf18("9","2","8","5","5","5","1") = "8"
    & skf18("9","2","8","5","5","6","1") = "8"
    & skf18("9","2","8","5","5","7","1") = "8"
    & skf18("9","2","8","5","5","8","1") = "8"
    & skf18("9","2","8","5","5","9","1") = "8"
    & skf18("9","2","8","5","5","10","1") = "9"
    & skf18("9","2","8","5","6","1","1") = "8"
    & skf18("9","2","8","5","6","2","1") = "8"
    & skf18("9","2","8","5","6","3","1") = "8"
    & skf18("9","2","8","5","6","4","1") = "8"
    & skf18("9","2","8","5","6","5","1") = "8"
    & skf18("9","2","8","5","6","6","1") = "8"
    & skf18("9","2","8","5","6","7","1") = "8"
    & skf18("9","2","8","5","6","8","1") = "8"
    & skf18("9","2","8","5","6","9","1") = "8"
    & skf18("9","2","8","5","6","10","1") = "9"
    & skf18("9","2","8","5","7","1","1") = "8"
    & skf18("9","2","8","5","7","2","1") = "8"
    & skf18("9","2","8","5","7","3","1") = "8"
    & skf18("9","2","8","5","7","4","1") = "8"
    & skf18("9","2","8","5","7","5","1") = "8"
    & skf18("9","2","8","5","7","6","1") = "8"
    & skf18("9","2","8","5","7","7","1") = "8"
    & skf18("9","2","8","5","7","8","1") = "8"
    & skf18("9","2","8","5","7","9","1") = "8"
    & skf18("9","2","8","5","7","10","1") = "9"
    & skf18("9","2","8","5","8","1","1") = "8"
    & skf18("9","2","8","5","8","2","1") = "8"
    & skf18("9","2","8","5","8","3","1") = "8"
    & skf18("9","2","8","5","8","4","1") = "8"
    & skf18("9","2","8","5","8","5","1") = "8"
    & skf18("9","2","8","5","8","6","1") = "8"
    & skf18("9","2","8","5","8","7","1") = "8"
    & skf18("9","2","8","5","8","8","1") = "8"
    & skf18("9","2","8","5","8","9","1") = "8"
    & skf18("9","2","8","5","8","10","1") = "9"
    & skf18("9","2","8","5","9","1","1") = "8"
    & skf18("9","2","8","5","9","2","1") = "8"
    & skf18("9","2","8","5","9","3","1") = "8"
    & skf18("9","2","8","5","9","4","1") = "8"
    & skf18("9","2","8","5","9","5","1") = "8"
    & skf18("9","2","8","5","9","6","1") = "8"
    & skf18("9","2","8","5","9","7","1") = "8"
    & skf18("9","2","8","5","9","8","1") = "8"
    & skf18("9","2","8","5","9","9","1") = "8"
    & skf18("9","2","8","5","9","10","1") = "9"
    & skf18("9","2","8","5","10","1","1") = "9"
    & skf18("9","2","8","5","10","2","1") = "9"
    & skf18("9","2","8","5","10","3","1") = "9"
    & skf18("9","2","8","5","10","4","1") = "9"
    & skf18("9","2","8","5","10","5","1") = "9"
    & skf18("9","2","8","5","10","6","1") = "9"
    & skf18("9","2","8","5","10","7","1") = "9"
    & skf18("9","2","8","5","10","8","1") = "9"
    & skf18("9","2","8","5","10","9","1") = "9"
    & skf18("9","2","8","5","10","10","1") = "9"
    & skf18("9","2","8","6","1","1","1") = "8"
    & skf18("9","2","8","6","1","2","1") = "8"
    & skf18("9","2","8","6","1","3","1") = "8"
    & skf18("9","2","8","6","1","4","1") = "8"
    & skf18("9","2","8","6","1","5","1") = "8"
    & skf18("9","2","8","6","1","6","1") = "8"
    & skf18("9","2","8","6","1","7","1") = "8"
    & skf18("9","2","8","6","1","8","1") = "8"
    & skf18("9","2","8","6","1","9","1") = "8"
    & skf18("9","2","8","6","1","10","1") = "9"
    & skf18("9","2","8","6","2","1","1") = "8"
    & skf18("9","2","8","6","2","2","1") = "8"
    & skf18("9","2","8","6","2","3","1") = "8"
    & skf18("9","2","8","6","2","4","1") = "8"
    & skf18("9","2","8","6","2","5","1") = "8"
    & skf18("9","2","8","6","2","6","1") = "8"
    & skf18("9","2","8","6","2","7","1") = "8"
    & skf18("9","2","8","6","2","8","1") = "8"
    & skf18("9","2","8","6","2","9","1") = "8"
    & skf18("9","2","8","6","2","10","1") = "9"
    & skf18("9","2","8","6","3","1","1") = "8"
    & skf18("9","2","8","6","3","2","1") = "8"
    & skf18("9","2","8","6","3","3","1") = "8"
    & skf18("9","2","8","6","3","4","1") = "8"
    & skf18("9","2","8","6","3","5","1") = "8"
    & skf18("9","2","8","6","3","6","1") = "8"
    & skf18("9","2","8","6","3","7","1") = "8"
    & skf18("9","2","8","6","3","8","1") = "8"
    & skf18("9","2","8","6","3","9","1") = "8"
    & skf18("9","2","8","6","3","10","1") = "9"
    & skf18("9","2","8","6","4","1","1") = "8"
    & skf18("9","2","8","6","4","2","1") = "8"
    & skf18("9","2","8","6","4","3","1") = "8"
    & skf18("9","2","8","6","4","4","1") = "8"
    & skf18("9","2","8","6","4","5","1") = "8"
    & skf18("9","2","8","6","4","6","1") = "8"
    & skf18("9","2","8","6","4","7","1") = "8"
    & skf18("9","2","8","6","4","8","1") = "8"
    & skf18("9","2","8","6","4","9","1") = "8"
    & skf18("9","2","8","6","4","10","1") = "9"
    & skf18("9","2","8","6","5","1","1") = "8"
    & skf18("9","2","8","6","5","2","1") = "8"
    & skf18("9","2","8","6","5","3","1") = "8"
    & skf18("9","2","8","6","5","4","1") = "8"
    & skf18("9","2","8","6","5","5","1") = "8"
    & skf18("9","2","8","6","5","6","1") = "8"
    & skf18("9","2","8","6","5","7","1") = "8"
    & skf18("9","2","8","6","5","8","1") = "8"
    & skf18("9","2","8","6","5","9","1") = "8"
    & skf18("9","2","8","6","5","10","1") = "9"
    & skf18("9","2","8","6","6","1","1") = "8"
    & skf18("9","2","8","6","6","2","1") = "8"
    & skf18("9","2","8","6","6","3","1") = "8"
    & skf18("9","2","8","6","6","4","1") = "8"
    & skf18("9","2","8","6","6","5","1") = "8"
    & skf18("9","2","8","6","6","6","1") = "8"
    & skf18("9","2","8","6","6","7","1") = "8"
    & skf18("9","2","8","6","6","8","1") = "8"
    & skf18("9","2","8","6","6","9","1") = "8"
    & skf18("9","2","8","6","6","10","1") = "9"
    & skf18("9","2","8","6","7","1","1") = "8"
    & skf18("9","2","8","6","7","2","1") = "8"
    & skf18("9","2","8","6","7","3","1") = "8"
    & skf18("9","2","8","6","7","4","1") = "8"
    & skf18("9","2","8","6","7","5","1") = "8"
    & skf18("9","2","8","6","7","6","1") = "8"
    & skf18("9","2","8","6","7","7","1") = "8"
    & skf18("9","2","8","6","7","8","1") = "8"
    & skf18("9","2","8","6","7","9","1") = "8"
    & skf18("9","2","8","6","7","10","1") = "9"
    & skf18("9","2","8","6","8","1","1") = "8"
    & skf18("9","2","8","6","8","2","1") = "8"
    & skf18("9","2","8","6","8","3","1") = "8"
    & skf18("9","2","8","6","8","4","1") = "8"
    & skf18("9","2","8","6","8","5","1") = "8"
    & skf18("9","2","8","6","8","6","1") = "8"
    & skf18("9","2","8","6","8","7","1") = "8"
    & skf18("9","2","8","6","8","8","1") = "8"
    & skf18("9","2","8","6","8","9","1") = "8"
    & skf18("9","2","8","6","8","10","1") = "9"
    & skf18("9","2","8","6","9","1","1") = "8"
    & skf18("9","2","8","6","9","2","1") = "8"
    & skf18("9","2","8","6","9","3","1") = "8"
    & skf18("9","2","8","6","9","4","1") = "8"
    & skf18("9","2","8","6","9","5","1") = "8"
    & skf18("9","2","8","6","9","6","1") = "8"
    & skf18("9","2","8","6","9","7","1") = "8"
    & skf18("9","2","8","6","9","8","1") = "8"
    & skf18("9","2","8","6","9","9","1") = "8"
    & skf18("9","2","8","6","9","10","1") = "9"
    & skf18("9","2","8","6","10","1","1") = "9"
    & skf18("9","2","8","6","10","2","1") = "9"
    & skf18("9","2","8","6","10","3","1") = "9"
    & skf18("9","2","8","6","10","4","1") = "9"
    & skf18("9","2","8","6","10","5","1") = "9"
    & skf18("9","2","8","6","10","6","1") = "9"
    & skf18("9","2","8","6","10","7","1") = "9"
    & skf18("9","2","8","6","10","8","1") = "9"
    & skf18("9","2","8","6","10","9","1") = "9"
    & skf18("9","2","8","6","10","10","1") = "9"
    & skf18("9","2","8","7","1","1","1") = "8"
    & skf18("9","2","8","7","1","2","1") = "8"
    & skf18("9","2","8","7","1","3","1") = "8"
    & skf18("9","2","8","7","1","4","1") = "8"
    & skf18("9","2","8","7","1","5","1") = "8"
    & skf18("9","2","8","7","1","6","1") = "8"
    & skf18("9","2","8","7","1","7","1") = "8"
    & skf18("9","2","8","7","1","8","1") = "8"
    & skf18("9","2","8","7","1","9","1") = "8"
    & skf18("9","2","8","7","1","10","1") = "9"
    & skf18("9","2","8","7","2","1","1") = "8"
    & skf18("9","2","8","7","2","2","1") = "8"
    & skf18("9","2","8","7","2","3","1") = "8"
    & skf18("9","2","8","7","2","4","1") = "8"
    & skf18("9","2","8","7","2","5","1") = "8"
    & skf18("9","2","8","7","2","6","1") = "8"
    & skf18("9","2","8","7","2","7","1") = "8"
    & skf18("9","2","8","7","2","8","1") = "8"
    & skf18("9","2","8","7","2","9","1") = "8"
    & skf18("9","2","8","7","2","10","1") = "9"
    & skf18("9","2","8","7","3","1","1") = "8"
    & skf18("9","2","8","7","3","2","1") = "8"
    & skf18("9","2","8","7","3","3","1") = "8"
    & skf18("9","2","8","7","3","4","1") = "8"
    & skf18("9","2","8","7","3","5","1") = "8"
    & skf18("9","2","8","7","3","6","1") = "8"
    & skf18("9","2","8","7","3","7","1") = "8"
    & skf18("9","2","8","7","3","8","1") = "8"
    & skf18("9","2","8","7","3","9","1") = "8"
    & skf18("9","2","8","7","3","10","1") = "9"
    & skf18("9","2","8","7","4","1","1") = "8"
    & skf18("9","2","8","7","4","2","1") = "8"
    & skf18("9","2","8","7","4","3","1") = "8"
    & skf18("9","2","8","7","4","4","1") = "8"
    & skf18("9","2","8","7","4","5","1") = "8"
    & skf18("9","2","8","7","4","6","1") = "8"
    & skf18("9","2","8","7","4","7","1") = "8"
    & skf18("9","2","8","7","4","8","1") = "8"
    & skf18("9","2","8","7","4","9","1") = "8"
    & skf18("9","2","8","7","4","10","1") = "9"
    & skf18("9","2","8","7","5","1","1") = "8"
    & skf18("9","2","8","7","5","2","1") = "8"
    & skf18("9","2","8","7","5","3","1") = "8"
    & skf18("9","2","8","7","5","4","1") = "8"
    & skf18("9","2","8","7","5","5","1") = "8"
    & skf18("9","2","8","7","5","6","1") = "8"
    & skf18("9","2","8","7","5","7","1") = "8"
    & skf18("9","2","8","7","5","8","1") = "8"
    & skf18("9","2","8","7","5","9","1") = "8"
    & skf18("9","2","8","7","5","10","1") = "9"
    & skf18("9","2","8","7","6","1","1") = "8"
    & skf18("9","2","8","7","6","2","1") = "8"
    & skf18("9","2","8","7","6","3","1") = "8"
    & skf18("9","2","8","7","6","4","1") = "8"
    & skf18("9","2","8","7","6","5","1") = "8"
    & skf18("9","2","8","7","6","6","1") = "8"
    & skf18("9","2","8","7","6","7","1") = "8"
    & skf18("9","2","8","7","6","8","1") = "8"
    & skf18("9","2","8","7","6","9","1") = "8"
    & skf18("9","2","8","7","6","10","1") = "9"
    & skf18("9","2","8","7","7","1","1") = "8"
    & skf18("9","2","8","7","7","2","1") = "8"
    & skf18("9","2","8","7","7","3","1") = "8"
    & skf18("9","2","8","7","7","4","1") = "8"
    & skf18("9","2","8","7","7","5","1") = "8"
    & skf18("9","2","8","7","7","6","1") = "8"
    & skf18("9","2","8","7","7","7","1") = "8"
    & skf18("9","2","8","7","7","8","1") = "8"
    & skf18("9","2","8","7","7","9","1") = "8"
    & skf18("9","2","8","7","7","10","1") = "9"
    & skf18("9","2","8","7","8","1","1") = "8"
    & skf18("9","2","8","7","8","2","1") = "8"
    & skf18("9","2","8","7","8","3","1") = "8"
    & skf18("9","2","8","7","8","4","1") = "8"
    & skf18("9","2","8","7","8","5","1") = "8"
    & skf18("9","2","8","7","8","6","1") = "8"
    & skf18("9","2","8","7","8","7","1") = "8"
    & skf18("9","2","8","7","8","8","1") = "8"
    & skf18("9","2","8","7","8","9","1") = "8"
    & skf18("9","2","8","7","8","10","1") = "9"
    & skf18("9","2","8","7","9","1","1") = "8"
    & skf18("9","2","8","7","9","2","1") = "8"
    & skf18("9","2","8","7","9","3","1") = "8"
    & skf18("9","2","8","7","9","4","1") = "8"
    & skf18("9","2","8","7","9","5","1") = "8"
    & skf18("9","2","8","7","9","6","1") = "8"
    & skf18("9","2","8","7","9","7","1") = "8"
    & skf18("9","2","8","7","9","8","1") = "8"
    & skf18("9","2","8","7","9","9","1") = "8"
    & skf18("9","2","8","7","9","10","1") = "9"
    & skf18("9","2","8","7","10","1","1") = "9"
    & skf18("9","2","8","7","10","2","1") = "9"
    & skf18("9","2","8","7","10","3","1") = "9"
    & skf18("9","2","8","7","10","4","1") = "9"
    & skf18("9","2","8","7","10","5","1") = "9"
    & skf18("9","2","8","7","10","6","1") = "9"
    & skf18("9","2","8","7","10","7","1") = "9"
    & skf18("9","2","8","7","10","8","1") = "9"
    & skf18("9","2","8","7","10","9","1") = "9"
    & skf18("9","2","8","7","10","10","1") = "9"
    & skf18("9","2","8","8","1","1","1") = "8"
    & skf18("9","2","8","8","1","2","1") = "8"
    & skf18("9","2","8","8","1","3","1") = "8"
    & skf18("9","2","8","8","1","4","1") = "8"
    & skf18("9","2","8","8","1","5","1") = "8"
    & skf18("9","2","8","8","1","6","1") = "8"
    & skf18("9","2","8","8","1","7","1") = "8"
    & skf18("9","2","8","8","1","8","1") = "8"
    & skf18("9","2","8","8","1","9","1") = "8"
    & skf18("9","2","8","8","1","10","1") = "9"
    & skf18("9","2","8","8","2","1","1") = "8"
    & skf18("9","2","8","8","2","2","1") = "8"
    & skf18("9","2","8","8","2","3","1") = "8"
    & skf18("9","2","8","8","2","4","1") = "8"
    & skf18("9","2","8","8","2","5","1") = "8"
    & skf18("9","2","8","8","2","6","1") = "8"
    & skf18("9","2","8","8","2","7","1") = "8"
    & skf18("9","2","8","8","2","8","1") = "8"
    & skf18("9","2","8","8","2","9","1") = "8"
    & skf18("9","2","8","8","2","10","1") = "9"
    & skf18("9","2","8","8","3","1","1") = "8"
    & skf18("9","2","8","8","3","2","1") = "8"
    & skf18("9","2","8","8","3","3","1") = "8"
    & skf18("9","2","8","8","3","4","1") = "8"
    & skf18("9","2","8","8","3","5","1") = "8"
    & skf18("9","2","8","8","3","6","1") = "8"
    & skf18("9","2","8","8","3","7","1") = "8"
    & skf18("9","2","8","8","3","8","1") = "8"
    & skf18("9","2","8","8","3","9","1") = "8"
    & skf18("9","2","8","8","3","10","1") = "9"
    & skf18("9","2","8","8","4","1","1") = "8"
    & skf18("9","2","8","8","4","2","1") = "8"
    & skf18("9","2","8","8","4","3","1") = "8"
    & skf18("9","2","8","8","4","4","1") = "8"
    & skf18("9","2","8","8","4","5","1") = "8"
    & skf18("9","2","8","8","4","6","1") = "8"
    & skf18("9","2","8","8","4","7","1") = "8"
    & skf18("9","2","8","8","4","8","1") = "8"
    & skf18("9","2","8","8","4","9","1") = "8"
    & skf18("9","2","8","8","4","10","1") = "9"
    & skf18("9","2","8","8","5","1","1") = "8"
    & skf18("9","2","8","8","5","2","1") = "8"
    & skf18("9","2","8","8","5","3","1") = "8"
    & skf18("9","2","8","8","5","4","1") = "8"
    & skf18("9","2","8","8","5","5","1") = "8"
    & skf18("9","2","8","8","5","6","1") = "8"
    & skf18("9","2","8","8","5","7","1") = "8"
    & skf18("9","2","8","8","5","8","1") = "8"
    & skf18("9","2","8","8","5","9","1") = "8"
    & skf18("9","2","8","8","5","10","1") = "9"
    & skf18("9","2","8","8","6","1","1") = "8"
    & skf18("9","2","8","8","6","2","1") = "8"
    & skf18("9","2","8","8","6","3","1") = "8"
    & skf18("9","2","8","8","6","4","1") = "8"
    & skf18("9","2","8","8","6","5","1") = "8"
    & skf18("9","2","8","8","6","6","1") = "8"
    & skf18("9","2","8","8","6","7","1") = "8"
    & skf18("9","2","8","8","6","8","1") = "8"
    & skf18("9","2","8","8","6","9","1") = "8"
    & skf18("9","2","8","8","6","10","1") = "9"
    & skf18("9","2","8","8","7","1","1") = "8"
    & skf18("9","2","8","8","7","2","1") = "8"
    & skf18("9","2","8","8","7","3","1") = "8"
    & skf18("9","2","8","8","7","4","1") = "8"
    & skf18("9","2","8","8","7","5","1") = "8"
    & skf18("9","2","8","8","7","6","1") = "8"
    & skf18("9","2","8","8","7","7","1") = "8"
    & skf18("9","2","8","8","7","8","1") = "8"
    & skf18("9","2","8","8","7","9","1") = "8"
    & skf18("9","2","8","8","7","10","1") = "9"
    & skf18("9","2","8","8","8","1","1") = "8"
    & skf18("9","2","8","8","8","2","1") = "8"
    & skf18("9","2","8","8","8","3","1") = "8"
    & skf18("9","2","8","8","8","4","1") = "8"
    & skf18("9","2","8","8","8","5","1") = "8"
    & skf18("9","2","8","8","8","6","1") = "8"
    & skf18("9","2","8","8","8","7","1") = "8"
    & skf18("9","2","8","8","8","8","1") = "8"
    & skf18("9","2","8","8","8","9","1") = "8"
    & skf18("9","2","8","8","8","10","1") = "9"
    & skf18("9","2","8","8","9","1","1") = "8"
    & skf18("9","2","8","8","9","2","1") = "8"
    & skf18("9","2","8","8","9","3","1") = "8"
    & skf18("9","2","8","8","9","4","1") = "8"
    & skf18("9","2","8","8","9","5","1") = "8"
    & skf18("9","2","8","8","9","6","1") = "8"
    & skf18("9","2","8","8","9","7","1") = "8"
    & skf18("9","2","8","8","9","8","1") = "8"
    & skf18("9","2","8","8","9","9","1") = "8"
    & skf18("9","2","8","8","9","10","1") = "9"
    & skf18("9","2","8","8","10","1","1") = "9"
    & skf18("9","2","8","8","10","2","1") = "9"
    & skf18("9","2","8","8","10","3","1") = "9"
    & skf18("9","2","8","8","10","4","1") = "9"
    & skf18("9","2","8","8","10","5","1") = "9"
    & skf18("9","2","8","8","10","6","1") = "9"
    & skf18("9","2","8","8","10","7","1") = "9"
    & skf18("9","2","8","8","10","8","1") = "9"
    & skf18("9","2","8","8","10","9","1") = "9"
    & skf18("9","2","8","8","10","10","1") = "9"
    & skf18("9","2","8","9","1","1","1") = "8"
    & skf18("9","2","8","9","1","2","1") = "8"
    & skf18("9","2","8","9","1","3","1") = "8"
    & skf18("9","2","8","9","1","4","1") = "8"
    & skf18("9","2","8","9","1","5","1") = "8"
    & skf18("9","2","8","9","1","6","1") = "8"
    & skf18("9","2","8","9","1","7","1") = "8"
    & skf18("9","2","8","9","1","8","1") = "8"
    & skf18("9","2","8","9","1","9","1") = "8"
    & skf18("9","2","8","9","1","10","1") = "9"
    & skf18("9","2","8","9","2","1","1") = "8"
    & skf18("9","2","8","9","2","2","1") = "8"
    & skf18("9","2","8","9","2","3","1") = "8"
    & skf18("9","2","8","9","2","4","1") = "8"
    & skf18("9","2","8","9","2","5","1") = "8"
    & skf18("9","2","8","9","2","6","1") = "8"
    & skf18("9","2","8","9","2","7","1") = "8"
    & skf18("9","2","8","9","2","8","1") = "8"
    & skf18("9","2","8","9","2","9","1") = "8"
    & skf18("9","2","8","9","2","10","1") = "9"
    & skf18("9","2","8","9","3","1","1") = "8"
    & skf18("9","2","8","9","3","2","1") = "8"
    & skf18("9","2","8","9","3","3","1") = "8"
    & skf18("9","2","8","9","3","4","1") = "8"
    & skf18("9","2","8","9","3","5","1") = "8"
    & skf18("9","2","8","9","3","6","1") = "8"
    & skf18("9","2","8","9","3","7","1") = "8"
    & skf18("9","2","8","9","3","8","1") = "8"
    & skf18("9","2","8","9","3","9","1") = "8"
    & skf18("9","2","8","9","3","10","1") = "9"
    & skf18("9","2","8","9","4","1","1") = "8"
    & skf18("9","2","8","9","4","2","1") = "8"
    & skf18("9","2","8","9","4","3","1") = "8"
    & skf18("9","2","8","9","4","4","1") = "8"
    & skf18("9","2","8","9","4","5","1") = "8"
    & skf18("9","2","8","9","4","6","1") = "8"
    & skf18("9","2","8","9","4","7","1") = "8"
    & skf18("9","2","8","9","4","8","1") = "8"
    & skf18("9","2","8","9","4","9","1") = "8"
    & skf18("9","2","8","9","4","10","1") = "9"
    & skf18("9","2","8","9","5","1","1") = "8"
    & skf18("9","2","8","9","5","2","1") = "8"
    & skf18("9","2","8","9","5","3","1") = "8"
    & skf18("9","2","8","9","5","4","1") = "8"
    & skf18("9","2","8","9","5","5","1") = "8"
    & skf18("9","2","8","9","5","6","1") = "8"
    & skf18("9","2","8","9","5","7","1") = "8"
    & skf18("9","2","8","9","5","8","1") = "8"
    & skf18("9","2","8","9","5","9","1") = "8"
    & skf18("9","2","8","9","5","10","1") = "9"
    & skf18("9","2","8","9","6","1","1") = "8"
    & skf18("9","2","8","9","6","2","1") = "8"
    & skf18("9","2","8","9","6","3","1") = "8"
    & skf18("9","2","8","9","6","4","1") = "8"
    & skf18("9","2","8","9","6","5","1") = "8"
    & skf18("9","2","8","9","6","6","1") = "8"
    & skf18("9","2","8","9","6","7","1") = "8"
    & skf18("9","2","8","9","6","8","1") = "8"
    & skf18("9","2","8","9","6","9","1") = "8"
    & skf18("9","2","8","9","6","10","1") = "9"
    & skf18("9","2","8","9","7","1","1") = "8"
    & skf18("9","2","8","9","7","2","1") = "8"
    & skf18("9","2","8","9","7","3","1") = "8"
    & skf18("9","2","8","9","7","4","1") = "8"
    & skf18("9","2","8","9","7","5","1") = "8"
    & skf18("9","2","8","9","7","6","1") = "8"
    & skf18("9","2","8","9","7","7","1") = "8"
    & skf18("9","2","8","9","7","8","1") = "8"
    & skf18("9","2","8","9","7","9","1") = "8"
    & skf18("9","2","8","9","7","10","1") = "9"
    & skf18("9","2","8","9","8","1","1") = "8"
    & skf18("9","2","8","9","8","2","1") = "8"
    & skf18("9","2","8","9","8","3","1") = "8"
    & skf18("9","2","8","9","8","4","1") = "8"
    & skf18("9","2","8","9","8","5","1") = "8"
    & skf18("9","2","8","9","8","6","1") = "8"
    & skf18("9","2","8","9","8","7","1") = "8"
    & skf18("9","2","8","9","8","8","1") = "8"
    & skf18("9","2","8","9","8","9","1") = "8"
    & skf18("9","2","8","9","8","10","1") = "9"
    & skf18("9","2","8","9","9","1","1") = "8"
    & skf18("9","2","8","9","9","2","1") = "8"
    & skf18("9","2","8","9","9","3","1") = "8"
    & skf18("9","2","8","9","9","4","1") = "8"
    & skf18("9","2","8","9","9","5","1") = "8"
    & skf18("9","2","8","9","9","6","1") = "8"
    & skf18("9","2","8","9","9","7","1") = "8"
    & skf18("9","2","8","9","9","8","1") = "8"
    & skf18("9","2","8","9","9","9","1") = "8"
    & skf18("9","2","8","9","9","10","1") = "9"
    & skf18("9","2","8","9","10","1","1") = "9"
    & skf18("9","2","8","9","10","2","1") = "9"
    & skf18("9","2","8","9","10","3","1") = "9"
    & skf18("9","2","8","9","10","4","1") = "9"
    & skf18("9","2","8","9","10","5","1") = "9"
    & skf18("9","2","8","9","10","6","1") = "9"
    & skf18("9","2","8","9","10","7","1") = "9"
    & skf18("9","2","8","9","10","8","1") = "9"
    & skf18("9","2","8","9","10","9","1") = "9"
    & skf18("9","2","8","9","10","10","1") = "9"
    & skf18("9","2","8","10","1","1","1") = "9"
    & skf18("9","2","8","10","1","2","1") = "9"
    & skf18("9","2","8","10","1","3","1") = "9"
    & skf18("9","2","8","10","1","4","1") = "9"
    & skf18("9","2","8","10","1","5","1") = "9"
    & skf18("9","2","8","10","1","6","1") = "9"
    & skf18("9","2","8","10","1","7","1") = "9"
    & skf18("9","2","8","10","1","8","1") = "9"
    & skf18("9","2","8","10","1","9","1") = "9"
    & skf18("9","2","8","10","1","10","1") = "9"
    & skf18("9","2","8","10","2","1","1") = "9"
    & skf18("9","2","8","10","2","2","1") = "9"
    & skf18("9","2","8","10","2","3","1") = "9"
    & skf18("9","2","8","10","2","4","1") = "9"
    & skf18("9","2","8","10","2","5","1") = "9"
    & skf18("9","2","8","10","2","6","1") = "9"
    & skf18("9","2","8","10","2","7","1") = "9"
    & skf18("9","2","8","10","2","8","1") = "9"
    & skf18("9","2","8","10","2","9","1") = "9"
    & skf18("9","2","8","10","2","10","1") = "9"
    & skf18("9","2","8","10","3","1","1") = "9"
    & skf18("9","2","8","10","3","2","1") = "9"
    & skf18("9","2","8","10","3","3","1") = "9"
    & skf18("9","2","8","10","3","4","1") = "9"
    & skf18("9","2","8","10","3","5","1") = "9"
    & skf18("9","2","8","10","3","6","1") = "9"
    & skf18("9","2","8","10","3","7","1") = "9"
    & skf18("9","2","8","10","3","8","1") = "9"
    & skf18("9","2","8","10","3","9","1") = "9"
    & skf18("9","2","8","10","3","10","1") = "9"
    & skf18("9","2","8","10","4","1","1") = "9"
    & skf18("9","2","8","10","4","2","1") = "9"
    & skf18("9","2","8","10","4","3","1") = "9"
    & skf18("9","2","8","10","4","4","1") = "9"
    & skf18("9","2","8","10","4","5","1") = "9"
    & skf18("9","2","8","10","4","6","1") = "9"
    & skf18("9","2","8","10","4","7","1") = "9"
    & skf18("9","2","8","10","4","8","1") = "9"
    & skf18("9","2","8","10","4","9","1") = "9"
    & skf18("9","2","8","10","4","10","1") = "9"
    & skf18("9","2","8","10","5","1","1") = "9"
    & skf18("9","2","8","10","5","2","1") = "9"
    & skf18("9","2","8","10","5","3","1") = "9"
    & skf18("9","2","8","10","5","4","1") = "9"
    & skf18("9","2","8","10","5","5","1") = "9"
    & skf18("9","2","8","10","5","6","1") = "9"
    & skf18("9","2","8","10","5","7","1") = "9"
    & skf18("9","2","8","10","5","8","1") = "9"
    & skf18("9","2","8","10","5","9","1") = "9"
    & skf18("9","2","8","10","5","10","1") = "9"
    & skf18("9","2","8","10","6","1","1") = "9"
    & skf18("9","2","8","10","6","2","1") = "9"
    & skf18("9","2","8","10","6","3","1") = "9"
    & skf18("9","2","8","10","6","4","1") = "9"
    & skf18("9","2","8","10","6","5","1") = "9"
    & skf18("9","2","8","10","6","6","1") = "9"
    & skf18("9","2","8","10","6","7","1") = "9"
    & skf18("9","2","8","10","6","8","1") = "9"
    & skf18("9","2","8","10","6","9","1") = "9"
    & skf18("9","2","8","10","6","10","1") = "9"
    & skf18("9","2","8","10","7","1","1") = "9"
    & skf18("9","2","8","10","7","2","1") = "9"
    & skf18("9","2","8","10","7","3","1") = "9"
    & skf18("9","2","8","10","7","4","1") = "9"
    & skf18("9","2","8","10","7","5","1") = "9"
    & skf18("9","2","8","10","7","6","1") = "9"
    & skf18("9","2","8","10","7","7","1") = "9"
    & skf18("9","2","8","10","7","8","1") = "9"
    & skf18("9","2","8","10","7","9","1") = "9"
    & skf18("9","2","8","10","7","10","1") = "9"
    & skf18("9","2","8","10","8","1","1") = "9"
    & skf18("9","2","8","10","8","2","1") = "9"
    & skf18("9","2","8","10","8","3","1") = "9"
    & skf18("9","2","8","10","8","4","1") = "9"
    & skf18("9","2","8","10","8","5","1") = "9"
    & skf18("9","2","8","10","8","6","1") = "9"
    & skf18("9","2","8","10","8","7","1") = "9"
    & skf18("9","2","8","10","8","8","1") = "9"
    & skf18("9","2","8","10","8","9","1") = "9"
    & skf18("9","2","8","10","8","10","1") = "9"
    & skf18("9","2","8","10","9","1","1") = "9"
    & skf18("9","2","8","10","9","2","1") = "9"
    & skf18("9","2","8","10","9","3","1") = "9"
    & skf18("9","2","8","10","9","4","1") = "9"
    & skf18("9","2","8","10","9","5","1") = "9"
    & skf18("9","2","8","10","9","6","1") = "9"
    & skf18("9","2","8","10","9","7","1") = "9"
    & skf18("9","2","8","10","9","8","1") = "9"
    & skf18("9","2","8","10","9","9","1") = "9"
    & skf18("9","2","8","10","9","10","1") = "9"
    & skf18("9","2","8","10","10","1","1") = "9"
    & skf18("9","2","8","10","10","2","1") = "9"
    & skf18("9","2","8","10","10","3","1") = "9"
    & skf18("9","2","8","10","10","4","1") = "9"
    & skf18("9","2","8","10","10","5","1") = "9"
    & skf18("9","2","8","10","10","6","1") = "9"
    & skf18("9","2","8","10","10","7","1") = "9"
    & skf18("9","2","8","10","10","8","1") = "9"
    & skf18("9","2","8","10","10","9","1") = "9"
    & skf18("9","2","8","10","10","10","1") = "9"
    & skf18("9","2","9","1","1","1","1") = "8"
    & skf18("9","2","9","1","1","2","1") = "8"
    & skf18("9","2","9","1","1","3","1") = "8"
    & skf18("9","2","9","1","1","4","1") = "8"
    & skf18("9","2","9","1","1","5","1") = "8"
    & skf18("9","2","9","1","1","6","1") = "8"
    & skf18("9","2","9","1","1","7","1") = "8"
    & skf18("9","2","9","1","1","8","1") = "8"
    & skf18("9","2","9","1","1","9","1") = "8"
    & skf18("9","2","9","1","1","10","1") = "9"
    & skf18("9","2","9","1","2","1","1") = "8"
    & skf18("9","2","9","1","2","2","1") = "8"
    & skf18("9","2","9","1","2","3","1") = "8"
    & skf18("9","2","9","1","2","4","1") = "8"
    & skf18("9","2","9","1","2","5","1") = "8"
    & skf18("9","2","9","1","2","6","1") = "8"
    & skf18("9","2","9","1","2","7","1") = "8"
    & skf18("9","2","9","1","2","8","1") = "8"
    & skf18("9","2","9","1","2","9","1") = "8"
    & skf18("9","2","9","1","2","10","1") = "9"
    & skf18("9","2","9","1","3","1","1") = "8"
    & skf18("9","2","9","1","3","2","1") = "8"
    & skf18("9","2","9","1","3","3","1") = "8"
    & skf18("9","2","9","1","3","4","1") = "8"
    & skf18("9","2","9","1","3","5","1") = "8"
    & skf18("9","2","9","1","3","6","1") = "8"
    & skf18("9","2","9","1","3","7","1") = "8"
    & skf18("9","2","9","1","3","8","1") = "8"
    & skf18("9","2","9","1","3","9","1") = "8"
    & skf18("9","2","9","1","3","10","1") = "9"
    & skf18("9","2","9","1","4","1","1") = "8"
    & skf18("9","2","9","1","4","2","1") = "8"
    & skf18("9","2","9","1","4","3","1") = "8"
    & skf18("9","2","9","1","4","4","1") = "8"
    & skf18("9","2","9","1","4","5","1") = "8"
    & skf18("9","2","9","1","4","6","1") = "8"
    & skf18("9","2","9","1","4","7","1") = "8"
    & skf18("9","2","9","1","4","8","1") = "8"
    & skf18("9","2","9","1","4","9","1") = "8"
    & skf18("9","2","9","1","4","10","1") = "9"
    & skf18("9","2","9","1","5","1","1") = "8"
    & skf18("9","2","9","1","5","2","1") = "8"
    & skf18("9","2","9","1","5","3","1") = "8"
    & skf18("9","2","9","1","5","4","1") = "8"
    & skf18("9","2","9","1","5","5","1") = "8"
    & skf18("9","2","9","1","5","6","1") = "8"
    & skf18("9","2","9","1","5","7","1") = "8"
    & skf18("9","2","9","1","5","8","1") = "8"
    & skf18("9","2","9","1","5","9","1") = "8"
    & skf18("9","2","9","1","5","10","1") = "9"
    & skf18("9","2","9","1","6","1","1") = "8"
    & skf18("9","2","9","1","6","2","1") = "8"
    & skf18("9","2","9","1","6","3","1") = "8"
    & skf18("9","2","9","1","6","4","1") = "8"
    & skf18("9","2","9","1","6","5","1") = "8"
    & skf18("9","2","9","1","6","6","1") = "8"
    & skf18("9","2","9","1","6","7","1") = "8"
    & skf18("9","2","9","1","6","8","1") = "8"
    & skf18("9","2","9","1","6","9","1") = "8"
    & skf18("9","2","9","1","6","10","1") = "9"
    & skf18("9","2","9","1","7","1","1") = "8"
    & skf18("9","2","9","1","7","2","1") = "8"
    & skf18("9","2","9","1","7","3","1") = "8"
    & skf18("9","2","9","1","7","4","1") = "8"
    & skf18("9","2","9","1","7","5","1") = "8"
    & skf18("9","2","9","1","7","6","1") = "8"
    & skf18("9","2","9","1","7","7","1") = "8"
    & skf18("9","2","9","1","7","8","1") = "8"
    & skf18("9","2","9","1","7","9","1") = "8"
    & skf18("9","2","9","1","7","10","1") = "9"
    & skf18("9","2","9","1","8","1","1") = "8"
    & skf18("9","2","9","1","8","2","1") = "8"
    & skf18("9","2","9","1","8","3","1") = "8"
    & skf18("9","2","9","1","8","4","1") = "8"
    & skf18("9","2","9","1","8","5","1") = "8"
    & skf18("9","2","9","1","8","6","1") = "8"
    & skf18("9","2","9","1","8","7","1") = "8"
    & skf18("9","2","9","1","8","8","1") = "8"
    & skf18("9","2","9","1","8","9","1") = "8"
    & skf18("9","2","9","1","8","10","1") = "9"
    & skf18("9","2","9","1","9","1","1") = "8"
    & skf18("9","2","9","1","9","2","1") = "8"
    & skf18("9","2","9","1","9","3","1") = "8"
    & skf18("9","2","9","1","9","4","1") = "8"
    & skf18("9","2","9","1","9","5","1") = "8"
    & skf18("9","2","9","1","9","6","1") = "8"
    & skf18("9","2","9","1","9","7","1") = "8"
    & skf18("9","2","9","1","9","8","1") = "8"
    & skf18("9","2","9","1","9","9","1") = "8"
    & skf18("9","2","9","1","9","10","1") = "9"
    & skf18("9","2","9","1","10","1","1") = "9"
    & skf18("9","2","9","1","10","2","1") = "9"
    & skf18("9","2","9","1","10","3","1") = "9"
    & skf18("9","2","9","1","10","4","1") = "9"
    & skf18("9","2","9","1","10","5","1") = "9"
    & skf18("9","2","9","1","10","6","1") = "9"
    & skf18("9","2","9","1","10","7","1") = "9"
    & skf18("9","2","9","1","10","8","1") = "9"
    & skf18("9","2","9","1","10","9","1") = "9"
    & skf18("9","2","9","1","10","10","1") = "9"
    & skf18("9","2","9","2","1","1","1") = "8"
    & skf18("9","2","9","2","1","2","1") = "8"
    & skf18("9","2","9","2","1","3","1") = "8"
    & skf18("9","2","9","2","1","4","1") = "8"
    & skf18("9","2","9","2","1","5","1") = "8"
    & skf18("9","2","9","2","1","6","1") = "8"
    & skf18("9","2","9","2","1","7","1") = "8"
    & skf18("9","2","9","2","1","8","1") = "8"
    & skf18("9","2","9","2","1","9","1") = "8"
    & skf18("9","2","9","2","1","10","1") = "9"
    & skf18("9","2","9","2","2","1","1") = "8"
    & skf18("9","2","9","2","2","2","1") = "8"
    & skf18("9","2","9","2","2","3","1") = "8"
    & skf18("9","2","9","2","2","4","1") = "8"
    & skf18("9","2","9","2","2","5","1") = "8"
    & skf18("9","2","9","2","2","6","1") = "8"
    & skf18("9","2","9","2","2","7","1") = "8"
    & skf18("9","2","9","2","2","8","1") = "8"
    & skf18("9","2","9","2","2","9","1") = "8"
    & skf18("9","2","9","2","2","10","1") = "9"
    & skf18("9","2","9","2","3","1","1") = "8"
    & skf18("9","2","9","2","3","2","1") = "8"
    & skf18("9","2","9","2","3","3","1") = "8"
    & skf18("9","2","9","2","3","4","1") = "8"
    & skf18("9","2","9","2","3","5","1") = "8"
    & skf18("9","2","9","2","3","6","1") = "8"
    & skf18("9","2","9","2","3","7","1") = "8"
    & skf18("9","2","9","2","3","8","1") = "8"
    & skf18("9","2","9","2","3","9","1") = "8"
    & skf18("9","2","9","2","3","10","1") = "9"
    & skf18("9","2","9","2","4","1","1") = "8"
    & skf18("9","2","9","2","4","2","1") = "8"
    & skf18("9","2","9","2","4","3","1") = "8"
    & skf18("9","2","9","2","4","4","1") = "8"
    & skf18("9","2","9","2","4","5","1") = "8"
    & skf18("9","2","9","2","4","6","1") = "8"
    & skf18("9","2","9","2","4","7","1") = "8"
    & skf18("9","2","9","2","4","8","1") = "8"
    & skf18("9","2","9","2","4","9","1") = "8"
    & skf18("9","2","9","2","4","10","1") = "9"
    & skf18("9","2","9","2","5","1","1") = "8"
    & skf18("9","2","9","2","5","2","1") = "8"
    & skf18("9","2","9","2","5","3","1") = "8"
    & skf18("9","2","9","2","5","4","1") = "8"
    & skf18("9","2","9","2","5","5","1") = "8"
    & skf18("9","2","9","2","5","6","1") = "8"
    & skf18("9","2","9","2","5","7","1") = "8"
    & skf18("9","2","9","2","5","8","1") = "8"
    & skf18("9","2","9","2","5","9","1") = "8"
    & skf18("9","2","9","2","5","10","1") = "9"
    & skf18("9","2","9","2","6","1","1") = "8"
    & skf18("9","2","9","2","6","2","1") = "8"
    & skf18("9","2","9","2","6","3","1") = "8"
    & skf18("9","2","9","2","6","4","1") = "8"
    & skf18("9","2","9","2","6","5","1") = "8"
    & skf18("9","2","9","2","6","6","1") = "8"
    & skf18("9","2","9","2","6","7","1") = "8"
    & skf18("9","2","9","2","6","8","1") = "8"
    & skf18("9","2","9","2","6","9","1") = "8"
    & skf18("9","2","9","2","6","10","1") = "9"
    & skf18("9","2","9","2","7","1","1") = "8"
    & skf18("9","2","9","2","7","2","1") = "8"
    & skf18("9","2","9","2","7","3","1") = "8"
    & skf18("9","2","9","2","7","4","1") = "8"
    & skf18("9","2","9","2","7","5","1") = "8"
    & skf18("9","2","9","2","7","6","1") = "8"
    & skf18("9","2","9","2","7","7","1") = "8"
    & skf18("9","2","9","2","7","8","1") = "8"
    & skf18("9","2","9","2","7","9","1") = "8"
    & skf18("9","2","9","2","7","10","1") = "9"
    & skf18("9","2","9","2","8","1","1") = "8"
    & skf18("9","2","9","2","8","2","1") = "8"
    & skf18("9","2","9","2","8","3","1") = "8"
    & skf18("9","2","9","2","8","4","1") = "8"
    & skf18("9","2","9","2","8","5","1") = "8"
    & skf18("9","2","9","2","8","6","1") = "8"
    & skf18("9","2","9","2","8","7","1") = "8"
    & skf18("9","2","9","2","8","8","1") = "8"
    & skf18("9","2","9","2","8","9","1") = "8"
    & skf18("9","2","9","2","8","10","1") = "9"
    & skf18("9","2","9","2","9","1","1") = "8"
    & skf18("9","2","9","2","9","2","1") = "8"
    & skf18("9","2","9","2","9","3","1") = "8"
    & skf18("9","2","9","2","9","4","1") = "8"
    & skf18("9","2","9","2","9","5","1") = "8"
    & skf18("9","2","9","2","9","6","1") = "8"
    & skf18("9","2","9","2","9","7","1") = "8"
    & skf18("9","2","9","2","9","8","1") = "8"
    & skf18("9","2","9","2","9","9","1") = "8"
    & skf18("9","2","9","2","9","10","1") = "9"
    & skf18("9","2","9","2","10","1","1") = "9"
    & skf18("9","2","9","2","10","2","1") = "9"
    & skf18("9","2","9","2","10","3","1") = "9"
    & skf18("9","2","9","2","10","4","1") = "9"
    & skf18("9","2","9","2","10","5","1") = "9"
    & skf18("9","2","9","2","10","6","1") = "9"
    & skf18("9","2","9","2","10","7","1") = "9"
    & skf18("9","2","9","2","10","8","1") = "9"
    & skf18("9","2","9","2","10","9","1") = "9"
    & skf18("9","2","9","2","10","10","1") = "9"
    & skf18("9","2","9","3","1","1","1") = "8"
    & skf18("9","2","9","3","1","2","1") = "8"
    & skf18("9","2","9","3","1","3","1") = "8"
    & skf18("9","2","9","3","1","4","1") = "8"
    & skf18("9","2","9","3","1","5","1") = "8"
    & skf18("9","2","9","3","1","6","1") = "8"
    & skf18("9","2","9","3","1","7","1") = "8"
    & skf18("9","2","9","3","1","8","1") = "8"
    & skf18("9","2","9","3","1","9","1") = "8"
    & skf18("9","2","9","3","1","10","1") = "9"
    & skf18("9","2","9","3","2","1","1") = "8"
    & skf18("9","2","9","3","2","2","1") = "8"
    & skf18("9","2","9","3","2","3","1") = "8"
    & skf18("9","2","9","3","2","4","1") = "8"
    & skf18("9","2","9","3","2","5","1") = "8"
    & skf18("9","2","9","3","2","6","1") = "8"
    & skf18("9","2","9","3","2","7","1") = "8"
    & skf18("9","2","9","3","2","8","1") = "8"
    & skf18("9","2","9","3","2","9","1") = "8"
    & skf18("9","2","9","3","2","10","1") = "9"
    & skf18("9","2","9","3","3","1","1") = "8"
    & skf18("9","2","9","3","3","2","1") = "8"
    & skf18("9","2","9","3","3","3","1") = "8"
    & skf18("9","2","9","3","3","4","1") = "8"
    & skf18("9","2","9","3","3","5","1") = "8"
    & skf18("9","2","9","3","3","6","1") = "8"
    & skf18("9","2","9","3","3","7","1") = "8"
    & skf18("9","2","9","3","3","8","1") = "8"
    & skf18("9","2","9","3","3","9","1") = "8"
    & skf18("9","2","9","3","3","10","1") = "9"
    & skf18("9","2","9","3","4","1","1") = "8"
    & skf18("9","2","9","3","4","2","1") = "8"
    & skf18("9","2","9","3","4","3","1") = "8"
    & skf18("9","2","9","3","4","4","1") = "8"
    & skf18("9","2","9","3","4","5","1") = "8"
    & skf18("9","2","9","3","4","6","1") = "8"
    & skf18("9","2","9","3","4","7","1") = "8"
    & skf18("9","2","9","3","4","8","1") = "8"
    & skf18("9","2","9","3","4","9","1") = "8"
    & skf18("9","2","9","3","4","10","1") = "9"
    & skf18("9","2","9","3","5","1","1") = "8"
    & skf18("9","2","9","3","5","2","1") = "8"
    & skf18("9","2","9","3","5","3","1") = "8"
    & skf18("9","2","9","3","5","4","1") = "8"
    & skf18("9","2","9","3","5","5","1") = "8"
    & skf18("9","2","9","3","5","6","1") = "8"
    & skf18("9","2","9","3","5","7","1") = "8"
    & skf18("9","2","9","3","5","8","1") = "8"
    & skf18("9","2","9","3","5","9","1") = "8"
    & skf18("9","2","9","3","5","10","1") = "9"
    & skf18("9","2","9","3","6","1","1") = "8"
    & skf18("9","2","9","3","6","2","1") = "8"
    & skf18("9","2","9","3","6","3","1") = "8"
    & skf18("9","2","9","3","6","4","1") = "8"
    & skf18("9","2","9","3","6","5","1") = "8"
    & skf18("9","2","9","3","6","6","1") = "8"
    & skf18("9","2","9","3","6","7","1") = "8"
    & skf18("9","2","9","3","6","8","1") = "8"
    & skf18("9","2","9","3","6","9","1") = "8"
    & skf18("9","2","9","3","6","10","1") = "9"
    & skf18("9","2","9","3","7","1","1") = "8"
    & skf18("9","2","9","3","7","2","1") = "8"
    & skf18("9","2","9","3","7","3","1") = "8"
    & skf18("9","2","9","3","7","4","1") = "8"
    & skf18("9","2","9","3","7","5","1") = "8"
    & skf18("9","2","9","3","7","6","1") = "8"
    & skf18("9","2","9","3","7","7","1") = "8"
    & skf18("9","2","9","3","7","8","1") = "8"
    & skf18("9","2","9","3","7","9","1") = "8"
    & skf18("9","2","9","3","7","10","1") = "9"
    & skf18("9","2","9","3","8","1","1") = "8"
    & skf18("9","2","9","3","8","2","1") = "8"
    & skf18("9","2","9","3","8","3","1") = "8"
    & skf18("9","2","9","3","8","4","1") = "8"
    & skf18("9","2","9","3","8","5","1") = "8"
    & skf18("9","2","9","3","8","6","1") = "8"
    & skf18("9","2","9","3","8","7","1") = "8"
    & skf18("9","2","9","3","8","8","1") = "8"
    & skf18("9","2","9","3","8","9","1") = "8"
    & skf18("9","2","9","3","8","10","1") = "9"
    & skf18("9","2","9","3","9","1","1") = "8"
    & skf18("9","2","9","3","9","2","1") = "8"
    & skf18("9","2","9","3","9","3","1") = "8"
    & skf18("9","2","9","3","9","4","1") = "8"
    & skf18("9","2","9","3","9","5","1") = "8"
    & skf18("9","2","9","3","9","6","1") = "8"
    & skf18("9","2","9","3","9","7","1") = "8"
    & skf18("9","2","9","3","9","8","1") = "8"
    & skf18("9","2","9","3","9","9","1") = "8"
    & skf18("9","2","9","3","9","10","1") = "9"
    & skf18("9","2","9","3","10","1","1") = "9"
    & skf18("9","2","9","3","10","2","1") = "9"
    & skf18("9","2","9","3","10","3","1") = "9"
    & skf18("9","2","9","3","10","4","1") = "9"
    & skf18("9","2","9","3","10","5","1") = "9"
    & skf18("9","2","9","3","10","6","1") = "9"
    & skf18("9","2","9","3","10","7","1") = "9"
    & skf18("9","2","9","3","10","8","1") = "9"
    & skf18("9","2","9","3","10","9","1") = "9"
    & skf18("9","2","9","3","10","10","1") = "9"
    & skf18("9","2","9","4","1","1","1") = "8"
    & skf18("9","2","9","4","1","2","1") = "8"
    & skf18("9","2","9","4","1","3","1") = "8"
    & skf18("9","2","9","4","1","4","1") = "8"
    & skf18("9","2","9","4","1","5","1") = "8"
    & skf18("9","2","9","4","1","6","1") = "8"
    & skf18("9","2","9","4","1","7","1") = "8"
    & skf18("9","2","9","4","1","8","1") = "8"
    & skf18("9","2","9","4","1","9","1") = "8"
    & skf18("9","2","9","4","1","10","1") = "9"
    & skf18("9","2","9","4","2","1","1") = "8"
    & skf18("9","2","9","4","2","2","1") = "8"
    & skf18("9","2","9","4","2","3","1") = "8"
    & skf18("9","2","9","4","2","4","1") = "8"
    & skf18("9","2","9","4","2","5","1") = "8"
    & skf18("9","2","9","4","2","6","1") = "8"
    & skf18("9","2","9","4","2","7","1") = "8"
    & skf18("9","2","9","4","2","8","1") = "8"
    & skf18("9","2","9","4","2","9","1") = "8"
    & skf18("9","2","9","4","2","10","1") = "9"
    & skf18("9","2","9","4","3","1","1") = "8"
    & skf18("9","2","9","4","3","2","1") = "8"
    & skf18("9","2","9","4","3","3","1") = "8"
    & skf18("9","2","9","4","3","4","1") = "8"
    & skf18("9","2","9","4","3","5","1") = "8"
    & skf18("9","2","9","4","3","6","1") = "8"
    & skf18("9","2","9","4","3","7","1") = "8"
    & skf18("9","2","9","4","3","8","1") = "8"
    & skf18("9","2","9","4","3","9","1") = "8"
    & skf18("9","2","9","4","3","10","1") = "9"
    & skf18("9","2","9","4","4","1","1") = "8"
    & skf18("9","2","9","4","4","2","1") = "8"
    & skf18("9","2","9","4","4","3","1") = "8"
    & skf18("9","2","9","4","4","4","1") = "8"
    & skf18("9","2","9","4","4","5","1") = "8"
    & skf18("9","2","9","4","4","6","1") = "8"
    & skf18("9","2","9","4","4","7","1") = "8"
    & skf18("9","2","9","4","4","8","1") = "8"
    & skf18("9","2","9","4","4","9","1") = "8"
    & skf18("9","2","9","4","4","10","1") = "9"
    & skf18("9","2","9","4","5","1","1") = "8"
    & skf18("9","2","9","4","5","2","1") = "8"
    & skf18("9","2","9","4","5","3","1") = "8"
    & skf18("9","2","9","4","5","4","1") = "8"
    & skf18("9","2","9","4","5","5","1") = "8"
    & skf18("9","2","9","4","5","6","1") = "8"
    & skf18("9","2","9","4","5","7","1") = "8"
    & skf18("9","2","9","4","5","8","1") = "8"
    & skf18("9","2","9","4","5","9","1") = "8"
    & skf18("9","2","9","4","5","10","1") = "9"
    & skf18("9","2","9","4","6","1","1") = "8"
    & skf18("9","2","9","4","6","2","1") = "8"
    & skf18("9","2","9","4","6","3","1") = "8"
    & skf18("9","2","9","4","6","4","1") = "8"
    & skf18("9","2","9","4","6","5","1") = "8"
    & skf18("9","2","9","4","6","6","1") = "8"
    & skf18("9","2","9","4","6","7","1") = "8"
    & skf18("9","2","9","4","6","8","1") = "8"
    & skf18("9","2","9","4","6","9","1") = "8"
    & skf18("9","2","9","4","6","10","1") = "9"
    & skf18("9","2","9","4","7","1","1") = "8"
    & skf18("9","2","9","4","7","2","1") = "8"
    & skf18("9","2","9","4","7","3","1") = "8"
    & skf18("9","2","9","4","7","4","1") = "8"
    & skf18("9","2","9","4","7","5","1") = "8"
    & skf18("9","2","9","4","7","6","1") = "8"
    & skf18("9","2","9","4","7","7","1") = "8"
    & skf18("9","2","9","4","7","8","1") = "8"
    & skf18("9","2","9","4","7","9","1") = "8"
    & skf18("9","2","9","4","7","10","1") = "9"
    & skf18("9","2","9","4","8","1","1") = "8"
    & skf18("9","2","9","4","8","2","1") = "8"
    & skf18("9","2","9","4","8","3","1") = "8"
    & skf18("9","2","9","4","8","4","1") = "8"
    & skf18("9","2","9","4","8","5","1") = "8"
    & skf18("9","2","9","4","8","6","1") = "8"
    & skf18("9","2","9","4","8","7","1") = "8"
    & skf18("9","2","9","4","8","8","1") = "8"
    & skf18("9","2","9","4","8","9","1") = "8"
    & skf18("9","2","9","4","8","10","1") = "9"
    & skf18("9","2","9","4","9","1","1") = "8"
    & skf18("9","2","9","4","9","2","1") = "8"
    & skf18("9","2","9","4","9","3","1") = "8"
    & skf18("9","2","9","4","9","4","1") = "8"
    & skf18("9","2","9","4","9","5","1") = "8"
    & skf18("9","2","9","4","9","6","1") = "8"
    & skf18("9","2","9","4","9","7","1") = "8"
    & skf18("9","2","9","4","9","8","1") = "8"
    & skf18("9","2","9","4","9","9","1") = "8"
    & skf18("9","2","9","4","9","10","1") = "9"
    & skf18("9","2","9","4","10","1","1") = "9"
    & skf18("9","2","9","4","10","2","1") = "9"
    & skf18("9","2","9","4","10","3","1") = "9"
    & skf18("9","2","9","4","10","4","1") = "9"
    & skf18("9","2","9","4","10","5","1") = "9"
    & skf18("9","2","9","4","10","6","1") = "9"
    & skf18("9","2","9","4","10","7","1") = "9"
    & skf18("9","2","9","4","10","8","1") = "9"
    & skf18("9","2","9","4","10","9","1") = "9"
    & skf18("9","2","9","4","10","10","1") = "9"
    & skf18("9","2","9","5","1","1","1") = "8"
    & skf18("9","2","9","5","1","2","1") = "8"
    & skf18("9","2","9","5","1","3","1") = "8"
    & skf18("9","2","9","5","1","4","1") = "8"
    & skf18("9","2","9","5","1","5","1") = "8"
    & skf18("9","2","9","5","1","6","1") = "8"
    & skf18("9","2","9","5","1","7","1") = "8"
    & skf18("9","2","9","5","1","8","1") = "8"
    & skf18("9","2","9","5","1","9","1") = "8"
    & skf18("9","2","9","5","1","10","1") = "9"
    & skf18("9","2","9","5","2","1","1") = "8"
    & skf18("9","2","9","5","2","2","1") = "8"
    & skf18("9","2","9","5","2","3","1") = "8"
    & skf18("9","2","9","5","2","4","1") = "8"
    & skf18("9","2","9","5","2","5","1") = "8"
    & skf18("9","2","9","5","2","6","1") = "8"
    & skf18("9","2","9","5","2","7","1") = "8"
    & skf18("9","2","9","5","2","8","1") = "8"
    & skf18("9","2","9","5","2","9","1") = "8"
    & skf18("9","2","9","5","2","10","1") = "9"
    & skf18("9","2","9","5","3","1","1") = "8"
    & skf18("9","2","9","5","3","2","1") = "8"
    & skf18("9","2","9","5","3","3","1") = "8"
    & skf18("9","2","9","5","3","4","1") = "8"
    & skf18("9","2","9","5","3","5","1") = "8"
    & skf18("9","2","9","5","3","6","1") = "8"
    & skf18("9","2","9","5","3","7","1") = "8"
    & skf18("9","2","9","5","3","8","1") = "8"
    & skf18("9","2","9","5","3","9","1") = "8"
    & skf18("9","2","9","5","3","10","1") = "9"
    & skf18("9","2","9","5","4","1","1") = "8"
    & skf18("9","2","9","5","4","2","1") = "8"
    & skf18("9","2","9","5","4","3","1") = "8"
    & skf18("9","2","9","5","4","4","1") = "8"
    & skf18("9","2","9","5","4","5","1") = "8"
    & skf18("9","2","9","5","4","6","1") = "8"
    & skf18("9","2","9","5","4","7","1") = "8"
    & skf18("9","2","9","5","4","8","1") = "8"
    & skf18("9","2","9","5","4","9","1") = "8"
    & skf18("9","2","9","5","4","10","1") = "9"
    & skf18("9","2","9","5","5","1","1") = "8"
    & skf18("9","2","9","5","5","2","1") = "8"
    & skf18("9","2","9","5","5","3","1") = "8"
    & skf18("9","2","9","5","5","4","1") = "8"
    & skf18("9","2","9","5","5","5","1") = "8"
    & skf18("9","2","9","5","5","6","1") = "8"
    & skf18("9","2","9","5","5","7","1") = "8"
    & skf18("9","2","9","5","5","8","1") = "8"
    & skf18("9","2","9","5","5","9","1") = "8"
    & skf18("9","2","9","5","5","10","1") = "9"
    & skf18("9","2","9","5","6","1","1") = "8"
    & skf18("9","2","9","5","6","2","1") = "8"
    & skf18("9","2","9","5","6","3","1") = "8"
    & skf18("9","2","9","5","6","4","1") = "8"
    & skf18("9","2","9","5","6","5","1") = "8"
    & skf18("9","2","9","5","6","6","1") = "8"
    & skf18("9","2","9","5","6","7","1") = "8"
    & skf18("9","2","9","5","6","8","1") = "8"
    & skf18("9","2","9","5","6","9","1") = "8"
    & skf18("9","2","9","5","6","10","1") = "9"
    & skf18("9","2","9","5","7","1","1") = "8"
    & skf18("9","2","9","5","7","2","1") = "8"
    & skf18("9","2","9","5","7","3","1") = "8"
    & skf18("9","2","9","5","7","4","1") = "8"
    & skf18("9","2","9","5","7","5","1") = "8"
    & skf18("9","2","9","5","7","6","1") = "8"
    & skf18("9","2","9","5","7","7","1") = "8"
    & skf18("9","2","9","5","7","8","1") = "8"
    & skf18("9","2","9","5","7","9","1") = "8"
    & skf18("9","2","9","5","7","10","1") = "9"
    & skf18("9","2","9","5","8","1","1") = "8"
    & skf18("9","2","9","5","8","2","1") = "8"
    & skf18("9","2","9","5","8","3","1") = "8"
    & skf18("9","2","9","5","8","4","1") = "8"
    & skf18("9","2","9","5","8","5","1") = "8"
    & skf18("9","2","9","5","8","6","1") = "8"
    & skf18("9","2","9","5","8","7","1") = "8"
    & skf18("9","2","9","5","8","8","1") = "8"
    & skf18("9","2","9","5","8","9","1") = "8"
    & skf18("9","2","9","5","8","10","1") = "9"
    & skf18("9","2","9","5","9","1","1") = "8"
    & skf18("9","2","9","5","9","2","1") = "8"
    & skf18("9","2","9","5","9","3","1") = "8"
    & skf18("9","2","9","5","9","4","1") = "8"
    & skf18("9","2","9","5","9","5","1") = "8"
    & skf18("9","2","9","5","9","6","1") = "8"
    & skf18("9","2","9","5","9","7","1") = "8"
    & skf18("9","2","9","5","9","8","1") = "8"
    & skf18("9","2","9","5","9","9","1") = "8"
    & skf18("9","2","9","5","9","10","1") = "9"
    & skf18("9","2","9","5","10","1","1") = "9"
    & skf18("9","2","9","5","10","2","1") = "9"
    & skf18("9","2","9","5","10","3","1") = "9"
    & skf18("9","2","9","5","10","4","1") = "9"
    & skf18("9","2","9","5","10","5","1") = "9"
    & skf18("9","2","9","5","10","6","1") = "9"
    & skf18("9","2","9","5","10","7","1") = "9"
    & skf18("9","2","9","5","10","8","1") = "9"
    & skf18("9","2","9","5","10","9","1") = "9"
    & skf18("9","2","9","5","10","10","1") = "9"
    & skf18("9","2","9","6","1","1","1") = "8"
    & skf18("9","2","9","6","1","2","1") = "8"
    & skf18("9","2","9","6","1","3","1") = "8"
    & skf18("9","2","9","6","1","4","1") = "8"
    & skf18("9","2","9","6","1","5","1") = "8"
    & skf18("9","2","9","6","1","6","1") = "8"
    & skf18("9","2","9","6","1","7","1") = "8"
    & skf18("9","2","9","6","1","8","1") = "8"
    & skf18("9","2","9","6","1","9","1") = "8"
    & skf18("9","2","9","6","1","10","1") = "9"
    & skf18("9","2","9","6","2","1","1") = "8"
    & skf18("9","2","9","6","2","2","1") = "8"
    & skf18("9","2","9","6","2","3","1") = "8"
    & skf18("9","2","9","6","2","4","1") = "8"
    & skf18("9","2","9","6","2","5","1") = "8"
    & skf18("9","2","9","6","2","6","1") = "8"
    & skf18("9","2","9","6","2","7","1") = "8"
    & skf18("9","2","9","6","2","8","1") = "8"
    & skf18("9","2","9","6","2","9","1") = "8"
    & skf18("9","2","9","6","2","10","1") = "9"
    & skf18("9","2","9","6","3","1","1") = "8"
    & skf18("9","2","9","6","3","2","1") = "8"
    & skf18("9","2","9","6","3","3","1") = "8"
    & skf18("9","2","9","6","3","4","1") = "8"
    & skf18("9","2","9","6","3","5","1") = "8"
    & skf18("9","2","9","6","3","6","1") = "8"
    & skf18("9","2","9","6","3","7","1") = "8"
    & skf18("9","2","9","6","3","8","1") = "8"
    & skf18("9","2","9","6","3","9","1") = "8"
    & skf18("9","2","9","6","3","10","1") = "9"
    & skf18("9","2","9","6","4","1","1") = "8"
    & skf18("9","2","9","6","4","2","1") = "8"
    & skf18("9","2","9","6","4","3","1") = "8"
    & skf18("9","2","9","6","4","4","1") = "8"
    & skf18("9","2","9","6","4","5","1") = "8"
    & skf18("9","2","9","6","4","6","1") = "8"
    & skf18("9","2","9","6","4","7","1") = "8"
    & skf18("9","2","9","6","4","8","1") = "8"
    & skf18("9","2","9","6","4","9","1") = "8"
    & skf18("9","2","9","6","4","10","1") = "9"
    & skf18("9","2","9","6","5","1","1") = "8"
    & skf18("9","2","9","6","5","2","1") = "8"
    & skf18("9","2","9","6","5","3","1") = "8"
    & skf18("9","2","9","6","5","4","1") = "8"
    & skf18("9","2","9","6","5","5","1") = "8"
    & skf18("9","2","9","6","5","6","1") = "8"
    & skf18("9","2","9","6","5","7","1") = "8"
    & skf18("9","2","9","6","5","8","1") = "8"
    & skf18("9","2","9","6","5","9","1") = "8"
    & skf18("9","2","9","6","5","10","1") = "9"
    & skf18("9","2","9","6","6","1","1") = "8"
    & skf18("9","2","9","6","6","2","1") = "8"
    & skf18("9","2","9","6","6","3","1") = "8"
    & skf18("9","2","9","6","6","4","1") = "8"
    & skf18("9","2","9","6","6","5","1") = "8"
    & skf18("9","2","9","6","6","6","1") = "8"
    & skf18("9","2","9","6","6","7","1") = "8"
    & skf18("9","2","9","6","6","8","1") = "8"
    & skf18("9","2","9","6","6","9","1") = "8"
    & skf18("9","2","9","6","6","10","1") = "9"
    & skf18("9","2","9","6","7","1","1") = "8"
    & skf18("9","2","9","6","7","2","1") = "8"
    & skf18("9","2","9","6","7","3","1") = "8"
    & skf18("9","2","9","6","7","4","1") = "8"
    & skf18("9","2","9","6","7","5","1") = "8"
    & skf18("9","2","9","6","7","6","1") = "8"
    & skf18("9","2","9","6","7","7","1") = "8"
    & skf18("9","2","9","6","7","8","1") = "8"
    & skf18("9","2","9","6","7","9","1") = "8"
    & skf18("9","2","9","6","7","10","1") = "9"
    & skf18("9","2","9","6","8","1","1") = "8"
    & skf18("9","2","9","6","8","2","1") = "8"
    & skf18("9","2","9","6","8","3","1") = "8"
    & skf18("9","2","9","6","8","4","1") = "8"
    & skf18("9","2","9","6","8","5","1") = "8"
    & skf18("9","2","9","6","8","6","1") = "8"
    & skf18("9","2","9","6","8","7","1") = "8"
    & skf18("9","2","9","6","8","8","1") = "8"
    & skf18("9","2","9","6","8","9","1") = "8"
    & skf18("9","2","9","6","8","10","1") = "9"
    & skf18("9","2","9","6","9","1","1") = "8"
    & skf18("9","2","9","6","9","2","1") = "8"
    & skf18("9","2","9","6","9","3","1") = "8"
    & skf18("9","2","9","6","9","4","1") = "8"
    & skf18("9","2","9","6","9","5","1") = "8"
    & skf18("9","2","9","6","9","6","1") = "8"
    & skf18("9","2","9","6","9","7","1") = "8"
    & skf18("9","2","9","6","9","8","1") = "8"
    & skf18("9","2","9","6","9","9","1") = "8"
    & skf18("9","2","9","6","9","10","1") = "9"
    & skf18("9","2","9","6","10","1","1") = "9"
    & skf18("9","2","9","6","10","2","1") = "9"
    & skf18("9","2","9","6","10","3","1") = "9"
    & skf18("9","2","9","6","10","4","1") = "9"
    & skf18("9","2","9","6","10","5","1") = "9"
    & skf18("9","2","9","6","10","6","1") = "9"
    & skf18("9","2","9","6","10","7","1") = "9"
    & skf18("9","2","9","6","10","8","1") = "9"
    & skf18("9","2","9","6","10","9","1") = "9"
    & skf18("9","2","9","6","10","10","1") = "9"
    & skf18("9","2","9","7","1","1","1") = "8"
    & skf18("9","2","9","7","1","2","1") = "8"
    & skf18("9","2","9","7","1","3","1") = "8"
    & skf18("9","2","9","7","1","4","1") = "8"
    & skf18("9","2","9","7","1","5","1") = "8"
    & skf18("9","2","9","7","1","6","1") = "8"
    & skf18("9","2","9","7","1","7","1") = "8"
    & skf18("9","2","9","7","1","8","1") = "8"
    & skf18("9","2","9","7","1","9","1") = "8"
    & skf18("9","2","9","7","1","10","1") = "9"
    & skf18("9","2","9","7","2","1","1") = "8"
    & skf18("9","2","9","7","2","2","1") = "8"
    & skf18("9","2","9","7","2","3","1") = "8"
    & skf18("9","2","9","7","2","4","1") = "8"
    & skf18("9","2","9","7","2","5","1") = "8"
    & skf18("9","2","9","7","2","6","1") = "8"
    & skf18("9","2","9","7","2","7","1") = "8"
    & skf18("9","2","9","7","2","8","1") = "8"
    & skf18("9","2","9","7","2","9","1") = "8"
    & skf18("9","2","9","7","2","10","1") = "9"
    & skf18("9","2","9","7","3","1","1") = "8"
    & skf18("9","2","9","7","3","2","1") = "8"
    & skf18("9","2","9","7","3","3","1") = "8"
    & skf18("9","2","9","7","3","4","1") = "8"
    & skf18("9","2","9","7","3","5","1") = "8"
    & skf18("9","2","9","7","3","6","1") = "8"
    & skf18("9","2","9","7","3","7","1") = "8"
    & skf18("9","2","9","7","3","8","1") = "8"
    & skf18("9","2","9","7","3","9","1") = "8"
    & skf18("9","2","9","7","3","10","1") = "9"
    & skf18("9","2","9","7","4","1","1") = "8"
    & skf18("9","2","9","7","4","2","1") = "8"
    & skf18("9","2","9","7","4","3","1") = "8"
    & skf18("9","2","9","7","4","4","1") = "8"
    & skf18("9","2","9","7","4","5","1") = "8"
    & skf18("9","2","9","7","4","6","1") = "8"
    & skf18("9","2","9","7","4","7","1") = "8"
    & skf18("9","2","9","7","4","8","1") = "8"
    & skf18("9","2","9","7","4","9","1") = "8"
    & skf18("9","2","9","7","4","10","1") = "9"
    & skf18("9","2","9","7","5","1","1") = "8"
    & skf18("9","2","9","7","5","2","1") = "8"
    & skf18("9","2","9","7","5","3","1") = "8"
    & skf18("9","2","9","7","5","4","1") = "8"
    & skf18("9","2","9","7","5","5","1") = "8"
    & skf18("9","2","9","7","5","6","1") = "8"
    & skf18("9","2","9","7","5","7","1") = "8"
    & skf18("9","2","9","7","5","8","1") = "8"
    & skf18("9","2","9","7","5","9","1") = "8"
    & skf18("9","2","9","7","5","10","1") = "9"
    & skf18("9","2","9","7","6","1","1") = "8"
    & skf18("9","2","9","7","6","2","1") = "8"
    & skf18("9","2","9","7","6","3","1") = "8"
    & skf18("9","2","9","7","6","4","1") = "8"
    & skf18("9","2","9","7","6","5","1") = "8"
    & skf18("9","2","9","7","6","6","1") = "8"
    & skf18("9","2","9","7","6","7","1") = "8"
    & skf18("9","2","9","7","6","8","1") = "8"
    & skf18("9","2","9","7","6","9","1") = "8"
    & skf18("9","2","9","7","6","10","1") = "9"
    & skf18("9","2","9","7","7","1","1") = "8"
    & skf18("9","2","9","7","7","2","1") = "8"
    & skf18("9","2","9","7","7","3","1") = "8"
    & skf18("9","2","9","7","7","4","1") = "8"
    & skf18("9","2","9","7","7","5","1") = "8"
    & skf18("9","2","9","7","7","6","1") = "8"
    & skf18("9","2","9","7","7","7","1") = "8"
    & skf18("9","2","9","7","7","8","1") = "8"
    & skf18("9","2","9","7","7","9","1") = "8"
    & skf18("9","2","9","7","7","10","1") = "9"
    & skf18("9","2","9","7","8","1","1") = "8"
    & skf18("9","2","9","7","8","2","1") = "8"
    & skf18("9","2","9","7","8","3","1") = "8"
    & skf18("9","2","9","7","8","4","1") = "8"
    & skf18("9","2","9","7","8","5","1") = "8"
    & skf18("9","2","9","7","8","6","1") = "8"
    & skf18("9","2","9","7","8","7","1") = "8"
    & skf18("9","2","9","7","8","8","1") = "8"
    & skf18("9","2","9","7","8","9","1") = "8"
    & skf18("9","2","9","7","8","10","1") = "9"
    & skf18("9","2","9","7","9","1","1") = "8"
    & skf18("9","2","9","7","9","2","1") = "8"
    & skf18("9","2","9","7","9","3","1") = "8"
    & skf18("9","2","9","7","9","4","1") = "8"
    & skf18("9","2","9","7","9","5","1") = "8"
    & skf18("9","2","9","7","9","6","1") = "8"
    & skf18("9","2","9","7","9","7","1") = "8"
    & skf18("9","2","9","7","9","8","1") = "8"
    & skf18("9","2","9","7","9","9","1") = "8"
    & skf18("9","2","9","7","9","10","1") = "9"
    & skf18("9","2","9","7","10","1","1") = "9"
    & skf18("9","2","9","7","10","2","1") = "9"
    & skf18("9","2","9","7","10","3","1") = "9"
    & skf18("9","2","9","7","10","4","1") = "9"
    & skf18("9","2","9","7","10","5","1") = "9"
    & skf18("9","2","9","7","10","6","1") = "9"
    & skf18("9","2","9","7","10","7","1") = "9"
    & skf18("9","2","9","7","10","8","1") = "9"
    & skf18("9","2","9","7","10","9","1") = "9"
    & skf18("9","2","9","7","10","10","1") = "9"
    & skf18("9","2","9","8","1","1","1") = "8"
    & skf18("9","2","9","8","1","2","1") = "8"
    & skf18("9","2","9","8","1","3","1") = "8"
    & skf18("9","2","9","8","1","4","1") = "8"
    & skf18("9","2","9","8","1","5","1") = "8"
    & skf18("9","2","9","8","1","6","1") = "8"
    & skf18("9","2","9","8","1","7","1") = "8"
    & skf18("9","2","9","8","1","8","1") = "8"
    & skf18("9","2","9","8","1","9","1") = "8"
    & skf18("9","2","9","8","1","10","1") = "9"
    & skf18("9","2","9","8","2","1","1") = "8"
    & skf18("9","2","9","8","2","2","1") = "8"
    & skf18("9","2","9","8","2","3","1") = "8"
    & skf18("9","2","9","8","2","4","1") = "8"
    & skf18("9","2","9","8","2","5","1") = "8"
    & skf18("9","2","9","8","2","6","1") = "8"
    & skf18("9","2","9","8","2","7","1") = "8"
    & skf18("9","2","9","8","2","8","1") = "8"
    & skf18("9","2","9","8","2","9","1") = "8"
    & skf18("9","2","9","8","2","10","1") = "9"
    & skf18("9","2","9","8","3","1","1") = "8"
    & skf18("9","2","9","8","3","2","1") = "8"
    & skf18("9","2","9","8","3","3","1") = "8"
    & skf18("9","2","9","8","3","4","1") = "8"
    & skf18("9","2","9","8","3","5","1") = "8"
    & skf18("9","2","9","8","3","6","1") = "8"
    & skf18("9","2","9","8","3","7","1") = "8"
    & skf18("9","2","9","8","3","8","1") = "8"
    & skf18("9","2","9","8","3","9","1") = "8"
    & skf18("9","2","9","8","3","10","1") = "9"
    & skf18("9","2","9","8","4","1","1") = "8"
    & skf18("9","2","9","8","4","2","1") = "8"
    & skf18("9","2","9","8","4","3","1") = "8"
    & skf18("9","2","9","8","4","4","1") = "8"
    & skf18("9","2","9","8","4","5","1") = "8"
    & skf18("9","2","9","8","4","6","1") = "8"
    & skf18("9","2","9","8","4","7","1") = "8"
    & skf18("9","2","9","8","4","8","1") = "8"
    & skf18("9","2","9","8","4","9","1") = "8"
    & skf18("9","2","9","8","4","10","1") = "9"
    & skf18("9","2","9","8","5","1","1") = "8"
    & skf18("9","2","9","8","5","2","1") = "8"
    & skf18("9","2","9","8","5","3","1") = "8"
    & skf18("9","2","9","8","5","4","1") = "8"
    & skf18("9","2","9","8","5","5","1") = "8"
    & skf18("9","2","9","8","5","6","1") = "8"
    & skf18("9","2","9","8","5","7","1") = "8"
    & skf18("9","2","9","8","5","8","1") = "8"
    & skf18("9","2","9","8","5","9","1") = "8"
    & skf18("9","2","9","8","5","10","1") = "9"
    & skf18("9","2","9","8","6","1","1") = "8"
    & skf18("9","2","9","8","6","2","1") = "8"
    & skf18("9","2","9","8","6","3","1") = "8"
    & skf18("9","2","9","8","6","4","1") = "8"
    & skf18("9","2","9","8","6","5","1") = "8"
    & skf18("9","2","9","8","6","6","1") = "8"
    & skf18("9","2","9","8","6","7","1") = "8"
    & skf18("9","2","9","8","6","8","1") = "8"
    & skf18("9","2","9","8","6","9","1") = "8"
    & skf18("9","2","9","8","6","10","1") = "9"
    & skf18("9","2","9","8","7","1","1") = "8"
    & skf18("9","2","9","8","7","2","1") = "8"
    & skf18("9","2","9","8","7","3","1") = "8"
    & skf18("9","2","9","8","7","4","1") = "8"
    & skf18("9","2","9","8","7","5","1") = "8"
    & skf18("9","2","9","8","7","6","1") = "8"
    & skf18("9","2","9","8","7","7","1") = "8"
    & skf18("9","2","9","8","7","8","1") = "8"
    & skf18("9","2","9","8","7","9","1") = "8"
    & skf18("9","2","9","8","7","10","1") = "9"
    & skf18("9","2","9","8","8","1","1") = "8"
    & skf18("9","2","9","8","8","2","1") = "8"
    & skf18("9","2","9","8","8","3","1") = "8"
    & skf18("9","2","9","8","8","4","1") = "8"
    & skf18("9","2","9","8","8","5","1") = "8"
    & skf18("9","2","9","8","8","6","1") = "8"
    & skf18("9","2","9","8","8","7","1") = "8"
    & skf18("9","2","9","8","8","8","1") = "8"
    & skf18("9","2","9","8","8","9","1") = "8"
    & skf18("9","2","9","8","8","10","1") = "9"
    & skf18("9","2","9","8","9","1","1") = "8"
    & skf18("9","2","9","8","9","2","1") = "8"
    & skf18("9","2","9","8","9","3","1") = "8"
    & skf18("9","2","9","8","9","4","1") = "8"
    & skf18("9","2","9","8","9","5","1") = "8"
    & skf18("9","2","9","8","9","6","1") = "8"
    & skf18("9","2","9","8","9","7","1") = "8"
    & skf18("9","2","9","8","9","8","1") = "8"
    & skf18("9","2","9","8","9","9","1") = "8"
    & skf18("9","2","9","8","9","10","1") = "9"
    & skf18("9","2","9","8","10","1","1") = "9"
    & skf18("9","2","9","8","10","2","1") = "9"
    & skf18("9","2","9","8","10","3","1") = "9"
    & skf18("9","2","9","8","10","4","1") = "9"
    & skf18("9","2","9","8","10","5","1") = "9"
    & skf18("9","2","9","8","10","6","1") = "9"
    & skf18("9","2","9","8","10","7","1") = "9"
    & skf18("9","2","9","8","10","8","1") = "9"
    & skf18("9","2","9","8","10","9","1") = "9"
    & skf18("9","2","9","8","10","10","1") = "9"
    & skf18("9","2","9","9","1","1","1") = "8"
    & skf18("9","2","9","9","1","2","1") = "8"
    & skf18("9","2","9","9","1","3","1") = "8"
    & skf18("9","2","9","9","1","4","1") = "8"
    & skf18("9","2","9","9","1","5","1") = "8"
    & skf18("9","2","9","9","1","6","1") = "8"
    & skf18("9","2","9","9","1","7","1") = "8"
    & skf18("9","2","9","9","1","8","1") = "8"
    & skf18("9","2","9","9","1","9","1") = "8"
    & skf18("9","2","9","9","1","10","1") = "9"
    & skf18("9","2","9","9","2","1","1") = "8"
    & skf18("9","2","9","9","2","2","1") = "8"
    & skf18("9","2","9","9","2","3","1") = "8"
    & skf18("9","2","9","9","2","4","1") = "8"
    & skf18("9","2","9","9","2","5","1") = "8"
    & skf18("9","2","9","9","2","6","1") = "8"
    & skf18("9","2","9","9","2","7","1") = "8"
    & skf18("9","2","9","9","2","8","1") = "8"
    & skf18("9","2","9","9","2","9","1") = "8"
    & skf18("9","2","9","9","2","10","1") = "9"
    & skf18("9","2","9","9","3","1","1") = "8"
    & skf18("9","2","9","9","3","2","1") = "8"
    & skf18("9","2","9","9","3","3","1") = "8"
    & skf18("9","2","9","9","3","4","1") = "8"
    & skf18("9","2","9","9","3","5","1") = "8"
    & skf18("9","2","9","9","3","6","1") = "8"
    & skf18("9","2","9","9","3","7","1") = "8"
    & skf18("9","2","9","9","3","8","1") = "8"
    & skf18("9","2","9","9","3","9","1") = "8"
    & skf18("9","2","9","9","3","10","1") = "9"
    & skf18("9","2","9","9","4","1","1") = "8"
    & skf18("9","2","9","9","4","2","1") = "8"
    & skf18("9","2","9","9","4","3","1") = "8"
    & skf18("9","2","9","9","4","4","1") = "8"
    & skf18("9","2","9","9","4","5","1") = "8"
    & skf18("9","2","9","9","4","6","1") = "8"
    & skf18("9","2","9","9","4","7","1") = "8"
    & skf18("9","2","9","9","4","8","1") = "8"
    & skf18("9","2","9","9","4","9","1") = "8"
    & skf18("9","2","9","9","4","10","1") = "9"
    & skf18("9","2","9","9","5","1","1") = "8"
    & skf18("9","2","9","9","5","2","1") = "8"
    & skf18("9","2","9","9","5","3","1") = "8"
    & skf18("9","2","9","9","5","4","1") = "8"
    & skf18("9","2","9","9","5","5","1") = "8"
    & skf18("9","2","9","9","5","6","1") = "8"
    & skf18("9","2","9","9","5","7","1") = "8"
    & skf18("9","2","9","9","5","8","1") = "8"
    & skf18("9","2","9","9","5","9","1") = "8"
    & skf18("9","2","9","9","5","10","1") = "9"
    & skf18("9","2","9","9","6","1","1") = "8"
    & skf18("9","2","9","9","6","2","1") = "8"
    & skf18("9","2","9","9","6","3","1") = "8"
    & skf18("9","2","9","9","6","4","1") = "8"
    & skf18("9","2","9","9","6","5","1") = "8"
    & skf18("9","2","9","9","6","6","1") = "8"
    & skf18("9","2","9","9","6","7","1") = "8"
    & skf18("9","2","9","9","6","8","1") = "8"
    & skf18("9","2","9","9","6","9","1") = "8"
    & skf18("9","2","9","9","6","10","1") = "9"
    & skf18("9","2","9","9","7","1","1") = "8"
    & skf18("9","2","9","9","7","2","1") = "8"
    & skf18("9","2","9","9","7","3","1") = "8"
    & skf18("9","2","9","9","7","4","1") = "8"
    & skf18("9","2","9","9","7","5","1") = "8"
    & skf18("9","2","9","9","7","6","1") = "8"
    & skf18("9","2","9","9","7","7","1") = "8"
    & skf18("9","2","9","9","7","8","1") = "8"
    & skf18("9","2","9","9","7","9","1") = "8"
    & skf18("9","2","9","9","7","10","1") = "9"
    & skf18("9","2","9","9","8","1","1") = "8"
    & skf18("9","2","9","9","8","2","1") = "8"
    & skf18("9","2","9","9","8","3","1") = "8"
    & skf18("9","2","9","9","8","4","1") = "8"
    & skf18("9","2","9","9","8","5","1") = "8"
    & skf18("9","2","9","9","8","6","1") = "8"
    & skf18("9","2","9","9","8","7","1") = "8"
    & skf18("9","2","9","9","8","8","1") = "8"
    & skf18("9","2","9","9","8","9","1") = "8"
    & skf18("9","2","9","9","8","10","1") = "9"
    & skf18("9","2","9","9","9","1","1") = "8"
    & skf18("9","2","9","9","9","2","1") = "8"
    & skf18("9","2","9","9","9","3","1") = "8"
    & skf18("9","2","9","9","9","4","1") = "8"
    & skf18("9","2","9","9","9","5","1") = "8"
    & skf18("9","2","9","9","9","6","1") = "8"
    & skf18("9","2","9","9","9","7","1") = "8"
    & skf18("9","2","9","9","9","8","1") = "8"
    & skf18("9","2","9","9","9","9","1") = "8"
    & skf18("9","2","9","9","9","10","1") = "9"
    & skf18("9","2","9","9","10","1","1") = "9"
    & skf18("9","2","9","9","10","2","1") = "9"
    & skf18("9","2","9","9","10","3","1") = "9"
    & skf18("9","2","9","9","10","4","1") = "9"
    & skf18("9","2","9","9","10","5","1") = "9"
    & skf18("9","2","9","9","10","6","1") = "9"
    & skf18("9","2","9","9","10","7","1") = "9"
    & skf18("9","2","9","9","10","8","1") = "9"
    & skf18("9","2","9","9","10","9","1") = "9"
    & skf18("9","2","9","9","10","10","1") = "9"
    & skf18("9","2","9","10","1","1","1") = "9"
    & skf18("9","2","9","10","1","2","1") = "9"
    & skf18("9","2","9","10","1","3","1") = "9"
    & skf18("9","2","9","10","1","4","1") = "9"
    & skf18("9","2","9","10","1","5","1") = "9"
    & skf18("9","2","9","10","1","6","1") = "9"
    & skf18("9","2","9","10","1","7","1") = "9"
    & skf18("9","2","9","10","1","8","1") = "9"
    & skf18("9","2","9","10","1","9","1") = "9"
    & skf18("9","2","9","10","1","10","1") = "9"
    & skf18("9","2","9","10","2","1","1") = "9"
    & skf18("9","2","9","10","2","2","1") = "9"
    & skf18("9","2","9","10","2","3","1") = "9"
    & skf18("9","2","9","10","2","4","1") = "9"
    & skf18("9","2","9","10","2","5","1") = "9"
    & skf18("9","2","9","10","2","6","1") = "9"
    & skf18("9","2","9","10","2","7","1") = "9"
    & skf18("9","2","9","10","2","8","1") = "9"
    & skf18("9","2","9","10","2","9","1") = "9"
    & skf18("9","2","9","10","2","10","1") = "9"
    & skf18("9","2","9","10","3","1","1") = "9"
    & skf18("9","2","9","10","3","2","1") = "9"
    & skf18("9","2","9","10","3","3","1") = "9"
    & skf18("9","2","9","10","3","4","1") = "9"
    & skf18("9","2","9","10","3","5","1") = "9"
    & skf18("9","2","9","10","3","6","1") = "9"
    & skf18("9","2","9","10","3","7","1") = "9"
    & skf18("9","2","9","10","3","8","1") = "9"
    & skf18("9","2","9","10","3","9","1") = "9"
    & skf18("9","2","9","10","3","10","1") = "9"
    & skf18("9","2","9","10","4","1","1") = "9"
    & skf18("9","2","9","10","4","2","1") = "9"
    & skf18("9","2","9","10","4","3","1") = "9"
    & skf18("9","2","9","10","4","4","1") = "9"
    & skf18("9","2","9","10","4","5","1") = "9"
    & skf18("9","2","9","10","4","6","1") = "9"
    & skf18("9","2","9","10","4","7","1") = "9"
    & skf18("9","2","9","10","4","8","1") = "9"
    & skf18("9","2","9","10","4","9","1") = "9"
    & skf18("9","2","9","10","4","10","1") = "9"
    & skf18("9","2","9","10","5","1","1") = "9"
    & skf18("9","2","9","10","5","2","1") = "9"
    & skf18("9","2","9","10","5","3","1") = "9"
    & skf18("9","2","9","10","5","4","1") = "9"
    & skf18("9","2","9","10","5","5","1") = "9"
    & skf18("9","2","9","10","5","6","1") = "9"
    & skf18("9","2","9","10","5","7","1") = "9"
    & skf18("9","2","9","10","5","8","1") = "9"
    & skf18("9","2","9","10","5","9","1") = "9"
    & skf18("9","2","9","10","5","10","1") = "9"
    & skf18("9","2","9","10","6","1","1") = "9"
    & skf18("9","2","9","10","6","2","1") = "9"
    & skf18("9","2","9","10","6","3","1") = "9"
    & skf18("9","2","9","10","6","4","1") = "9"
    & skf18("9","2","9","10","6","5","1") = "9"
    & skf18("9","2","9","10","6","6","1") = "9"
    & skf18("9","2","9","10","6","7","1") = "9"
    & skf18("9","2","9","10","6","8","1") = "9"
    & skf18("9","2","9","10","6","9","1") = "9"
    & skf18("9","2","9","10","6","10","1") = "9"
    & skf18("9","2","9","10","7","1","1") = "9"
    & skf18("9","2","9","10","7","2","1") = "9"
    & skf18("9","2","9","10","7","3","1") = "9"
    & skf18("9","2","9","10","7","4","1") = "9"
    & skf18("9","2","9","10","7","5","1") = "9"
    & skf18("9","2","9","10","7","6","1") = "9"
    & skf18("9","2","9","10","7","7","1") = "9"
    & skf18("9","2","9","10","7","8","1") = "9"
    & skf18("9","2","9","10","7","9","1") = "9"
    & skf18("9","2","9","10","7","10","1") = "9"
    & skf18("9","2","9","10","8","1","1") = "9"
    & skf18("9","2","9","10","8","2","1") = "9"
    & skf18("9","2","9","10","8","3","1") = "9"
    & skf18("9","2","9","10","8","4","1") = "9"
    & skf18("9","2","9","10","8","5","1") = "9"
    & skf18("9","2","9","10","8","6","1") = "9"
    & skf18("9","2","9","10","8","7","1") = "9"
    & skf18("9","2","9","10","8","8","1") = "9"
    & skf18("9","2","9","10","8","9","1") = "9"
    & skf18("9","2","9","10","8","10","1") = "9"
    & skf18("9","2","9","10","9","1","1") = "9"
    & skf18("9","2","9","10","9","2","1") = "9"
    & skf18("9","2","9","10","9","3","1") = "9"
    & skf18("9","2","9","10","9","4","1") = "9"
    & skf18("9","2","9","10","9","5","1") = "9"
    & skf18("9","2","9","10","9","6","1") = "9"
    & skf18("9","2","9","10","9","7","1") = "9"
    & skf18("9","2","9","10","9","8","1") = "9"
    & skf18("9","2","9","10","9","9","1") = "9"
    & skf18("9","2","9","10","9","10","1") = "9"
    & skf18("9","2","9","10","10","1","1") = "9"
    & skf18("9","2","9","10","10","2","1") = "9"
    & skf18("9","2","9","10","10","3","1") = "9"
    & skf18("9","2","9","10","10","4","1") = "9"
    & skf18("9","2","9","10","10","5","1") = "9"
    & skf18("9","2","9","10","10","6","1") = "9"
    & skf18("9","2","9","10","10","7","1") = "9"
    & skf18("9","2","9","10","10","8","1") = "9"
    & skf18("9","2","9","10","10","9","1") = "9"
    & skf18("9","2","9","10","10","10","1") = "9"
    & skf18("9","2","10","1","1","1","1") = "9"
    & skf18("9","2","10","1","1","2","1") = "9"
    & skf18("9","2","10","1","1","3","1") = "9"
    & skf18("9","2","10","1","1","4","1") = "9"
    & skf18("9","2","10","1","1","5","1") = "9"
    & skf18("9","2","10","1","1","6","1") = "9"
    & skf18("9","2","10","1","1","7","1") = "9"
    & skf18("9","2","10","1","1","8","1") = "9"
    & skf18("9","2","10","1","1","9","1") = "9"
    & skf18("9","2","10","1","1","10","1") = "9"
    & skf18("9","2","10","1","2","1","1") = "9"
    & skf18("9","2","10","1","2","2","1") = "9"
    & skf18("9","2","10","1","2","3","1") = "9"
    & skf18("9","2","10","1","2","4","1") = "9"
    & skf18("9","2","10","1","2","5","1") = "9"
    & skf18("9","2","10","1","2","6","1") = "9"
    & skf18("9","2","10","1","2","7","1") = "9"
    & skf18("9","2","10","1","2","8","1") = "9"
    & skf18("9","2","10","1","2","9","1") = "9"
    & skf18("9","2","10","1","2","10","1") = "9"
    & skf18("9","2","10","1","3","1","1") = "9"
    & skf18("9","2","10","1","3","2","1") = "9"
    & skf18("9","2","10","1","3","3","1") = "9"
    & skf18("9","2","10","1","3","4","1") = "9"
    & skf18("9","2","10","1","3","5","1") = "9"
    & skf18("9","2","10","1","3","6","1") = "9"
    & skf18("9","2","10","1","3","7","1") = "9"
    & skf18("9","2","10","1","3","8","1") = "9"
    & skf18("9","2","10","1","3","9","1") = "9"
    & skf18("9","2","10","1","3","10","1") = "9"
    & skf18("9","2","10","1","4","1","1") = "9"
    & skf18("9","2","10","1","4","2","1") = "9"
    & skf18("9","2","10","1","4","3","1") = "9"
    & skf18("9","2","10","1","4","4","1") = "9"
    & skf18("9","2","10","1","4","5","1") = "9"
    & skf18("9","2","10","1","4","6","1") = "9"
    & skf18("9","2","10","1","4","7","1") = "9"
    & skf18("9","2","10","1","4","8","1") = "9"
    & skf18("9","2","10","1","4","9","1") = "9"
    & skf18("9","2","10","1","4","10","1") = "9"
    & skf18("9","2","10","1","5","1","1") = "9"
    & skf18("9","2","10","1","5","2","1") = "9"
    & skf18("9","2","10","1","5","3","1") = "9"
    & skf18("9","2","10","1","5","4","1") = "9"
    & skf18("9","2","10","1","5","5","1") = "9"
    & skf18("9","2","10","1","5","6","1") = "9"
    & skf18("9","2","10","1","5","7","1") = "9"
    & skf18("9","2","10","1","5","8","1") = "9"
    & skf18("9","2","10","1","5","9","1") = "9"
    & skf18("9","2","10","1","5","10","1") = "9"
    & skf18("9","2","10","1","6","1","1") = "9"
    & skf18("9","2","10","1","6","2","1") = "9"
    & skf18("9","2","10","1","6","3","1") = "9"
    & skf18("9","2","10","1","6","4","1") = "9"
    & skf18("9","2","10","1","6","5","1") = "9"
    & skf18("9","2","10","1","6","6","1") = "9"
    & skf18("9","2","10","1","6","7","1") = "9"
    & skf18("9","2","10","1","6","8","1") = "9"
    & skf18("9","2","10","1","6","9","1") = "9"
    & skf18("9","2","10","1","6","10","1") = "9"
    & skf18("9","2","10","1","7","1","1") = "9"
    & skf18("9","2","10","1","7","2","1") = "9"
    & skf18("9","2","10","1","7","3","1") = "9"
    & skf18("9","2","10","1","7","4","1") = "9"
    & skf18("9","2","10","1","7","5","1") = "9"
    & skf18("9","2","10","1","7","6","1") = "9"
    & skf18("9","2","10","1","7","7","1") = "9"
    & skf18("9","2","10","1","7","8","1") = "9"
    & skf18("9","2","10","1","7","9","1") = "9"
    & skf18("9","2","10","1","7","10","1") = "9"
    & skf18("9","2","10","1","8","1","1") = "9"
    & skf18("9","2","10","1","8","2","1") = "9"
    & skf18("9","2","10","1","8","3","1") = "9"
    & skf18("9","2","10","1","8","4","1") = "9"
    & skf18("9","2","10","1","8","5","1") = "9"
    & skf18("9","2","10","1","8","6","1") = "9"
    & skf18("9","2","10","1","8","7","1") = "9"
    & skf18("9","2","10","1","8","8","1") = "9"
    & skf18("9","2","10","1","8","9","1") = "9"
    & skf18("9","2","10","1","8","10","1") = "9"
    & skf18("9","2","10","1","9","1","1") = "9"
    & skf18("9","2","10","1","9","2","1") = "9"
    & skf18("9","2","10","1","9","3","1") = "9"
    & skf18("9","2","10","1","9","4","1") = "9"
    & skf18("9","2","10","1","9","5","1") = "9"
    & skf18("9","2","10","1","9","6","1") = "9"
    & skf18("9","2","10","1","9","7","1") = "9"
    & skf18("9","2","10","1","9","8","1") = "9"
    & skf18("9","2","10","1","9","9","1") = "9"
    & skf18("9","2","10","1","9","10","1") = "9"
    & skf18("9","2","10","1","10","1","1") = "9"
    & skf18("9","2","10","1","10","2","1") = "9"
    & skf18("9","2","10","1","10","3","1") = "9"
    & skf18("9","2","10","1","10","4","1") = "9"
    & skf18("9","2","10","1","10","5","1") = "9"
    & skf18("9","2","10","1","10","6","1") = "9"
    & skf18("9","2","10","1","10","7","1") = "9"
    & skf18("9","2","10","1","10","8","1") = "9"
    & skf18("9","2","10","1","10","9","1") = "9"
    & skf18("9","2","10","1","10","10","1") = "9"
    & skf18("9","2","10","2","1","1","1") = "9"
    & skf18("9","2","10","2","1","2","1") = "9"
    & skf18("9","2","10","2","1","3","1") = "9"
    & skf18("9","2","10","2","1","4","1") = "9"
    & skf18("9","2","10","2","1","5","1") = "9"
    & skf18("9","2","10","2","1","6","1") = "9"
    & skf18("9","2","10","2","1","7","1") = "9"
    & skf18("9","2","10","2","1","8","1") = "9"
    & skf18("9","2","10","2","1","9","1") = "9"
    & skf18("9","2","10","2","1","10","1") = "9"
    & skf18("9","2","10","2","2","1","1") = "9"
    & skf18("9","2","10","2","2","2","1") = "9"
    & skf18("9","2","10","2","2","3","1") = "9"
    & skf18("9","2","10","2","2","4","1") = "9"
    & skf18("9","2","10","2","2","5","1") = "9"
    & skf18("9","2","10","2","2","6","1") = "9"
    & skf18("9","2","10","2","2","7","1") = "9"
    & skf18("9","2","10","2","2","8","1") = "9"
    & skf18("9","2","10","2","2","9","1") = "9"
    & skf18("9","2","10","2","2","10","1") = "9"
    & skf18("9","2","10","2","3","1","1") = "9"
    & skf18("9","2","10","2","3","2","1") = "9"
    & skf18("9","2","10","2","3","3","1") = "9"
    & skf18("9","2","10","2","3","4","1") = "9"
    & skf18("9","2","10","2","3","5","1") = "9"
    & skf18("9","2","10","2","3","6","1") = "9"
    & skf18("9","2","10","2","3","7","1") = "9"
    & skf18("9","2","10","2","3","8","1") = "9"
    & skf18("9","2","10","2","3","9","1") = "9"
    & skf18("9","2","10","2","3","10","1") = "9"
    & skf18("9","2","10","2","4","1","1") = "9"
    & skf18("9","2","10","2","4","2","1") = "9"
    & skf18("9","2","10","2","4","3","1") = "9"
    & skf18("9","2","10","2","4","4","1") = "9"
    & skf18("9","2","10","2","4","5","1") = "9"
    & skf18("9","2","10","2","4","6","1") = "9"
    & skf18("9","2","10","2","4","7","1") = "9"
    & skf18("9","2","10","2","4","8","1") = "9"
    & skf18("9","2","10","2","4","9","1") = "9"
    & skf18("9","2","10","2","4","10","1") = "9"
    & skf18("9","2","10","2","5","1","1") = "9"
    & skf18("9","2","10","2","5","2","1") = "9"
    & skf18("9","2","10","2","5","3","1") = "9"
    & skf18("9","2","10","2","5","4","1") = "9"
    & skf18("9","2","10","2","5","5","1") = "9"
    & skf18("9","2","10","2","5","6","1") = "9"
    & skf18("9","2","10","2","5","7","1") = "9"
    & skf18("9","2","10","2","5","8","1") = "9"
    & skf18("9","2","10","2","5","9","1") = "9"
    & skf18("9","2","10","2","5","10","1") = "9"
    & skf18("9","2","10","2","6","1","1") = "9"
    & skf18("9","2","10","2","6","2","1") = "9"
    & skf18("9","2","10","2","6","3","1") = "9"
    & skf18("9","2","10","2","6","4","1") = "9"
    & skf18("9","2","10","2","6","5","1") = "9"
    & skf18("9","2","10","2","6","6","1") = "9"
    & skf18("9","2","10","2","6","7","1") = "9"
    & skf18("9","2","10","2","6","8","1") = "9"
    & skf18("9","2","10","2","6","9","1") = "9"
    & skf18("9","2","10","2","6","10","1") = "9"
    & skf18("9","2","10","2","7","1","1") = "9"
    & skf18("9","2","10","2","7","2","1") = "9"
    & skf18("9","2","10","2","7","3","1") = "9"
    & skf18("9","2","10","2","7","4","1") = "9"
    & skf18("9","2","10","2","7","5","1") = "9"
    & skf18("9","2","10","2","7","6","1") = "9"
    & skf18("9","2","10","2","7","7","1") = "9"
    & skf18("9","2","10","2","7","8","1") = "9"
    & skf18("9","2","10","2","7","9","1") = "9"
    & skf18("9","2","10","2","7","10","1") = "9"
    & skf18("9","2","10","2","8","1","1") = "9"
    & skf18("9","2","10","2","8","2","1") = "9"
    & skf18("9","2","10","2","8","3","1") = "9"
    & skf18("9","2","10","2","8","4","1") = "9"
    & skf18("9","2","10","2","8","5","1") = "9"
    & skf18("9","2","10","2","8","6","1") = "9"
    & skf18("9","2","10","2","8","7","1") = "9"
    & skf18("9","2","10","2","8","8","1") = "9"
    & skf18("9","2","10","2","8","9","1") = "9"
    & skf18("9","2","10","2","8","10","1") = "9"
    & skf18("9","2","10","2","9","1","1") = "9"
    & skf18("9","2","10","2","9","2","1") = "9"
    & skf18("9","2","10","2","9","3","1") = "9"
    & skf18("9","2","10","2","9","4","1") = "9"
    & skf18("9","2","10","2","9","5","1") = "9"
    & skf18("9","2","10","2","9","6","1") = "9"
    & skf18("9","2","10","2","9","7","1") = "9"
    & skf18("9","2","10","2","9","8","1") = "9"
    & skf18("9","2","10","2","9","9","1") = "9"
    & skf18("9","2","10","2","9","10","1") = "9"
    & skf18("9","2","10","2","10","1","1") = "9"
    & skf18("9","2","10","2","10","2","1") = "9"
    & skf18("9","2","10","2","10","3","1") = "9"
    & skf18("9","2","10","2","10","4","1") = "9"
    & skf18("9","2","10","2","10","5","1") = "9"
    & skf18("9","2","10","2","10","6","1") = "9"
    & skf18("9","2","10","2","10","7","1") = "9"
    & skf18("9","2","10","2","10","8","1") = "9"
    & skf18("9","2","10","2","10","9","1") = "9"
    & skf18("9","2","10","2","10","10","1") = "9"
    & skf18("9","2","10","3","1","1","1") = "9"
    & skf18("9","2","10","3","1","2","1") = "9"
    & skf18("9","2","10","3","1","3","1") = "9"
    & skf18("9","2","10","3","1","4","1") = "9"
    & skf18("9","2","10","3","1","5","1") = "9"
    & skf18("9","2","10","3","1","6","1") = "9"
    & skf18("9","2","10","3","1","7","1") = "9"
    & skf18("9","2","10","3","1","8","1") = "9"
    & skf18("9","2","10","3","1","9","1") = "9"
    & skf18("9","2","10","3","1","10","1") = "9"
    & skf18("9","2","10","3","2","1","1") = "9"
    & skf18("9","2","10","3","2","2","1") = "9"
    & skf18("9","2","10","3","2","3","1") = "9"
    & skf18("9","2","10","3","2","4","1") = "9"
    & skf18("9","2","10","3","2","5","1") = "9"
    & skf18("9","2","10","3","2","6","1") = "9"
    & skf18("9","2","10","3","2","7","1") = "9"
    & skf18("9","2","10","3","2","8","1") = "9"
    & skf18("9","2","10","3","2","9","1") = "9"
    & skf18("9","2","10","3","2","10","1") = "9"
    & skf18("9","2","10","3","3","1","1") = "9"
    & skf18("9","2","10","3","3","2","1") = "9"
    & skf18("9","2","10","3","3","3","1") = "9"
    & skf18("9","2","10","3","3","4","1") = "9"
    & skf18("9","2","10","3","3","5","1") = "9"
    & skf18("9","2","10","3","3","6","1") = "9"
    & skf18("9","2","10","3","3","7","1") = "9"
    & skf18("9","2","10","3","3","8","1") = "9"
    & skf18("9","2","10","3","3","9","1") = "9"
    & skf18("9","2","10","3","3","10","1") = "9"
    & skf18("9","2","10","3","4","1","1") = "9"
    & skf18("9","2","10","3","4","2","1") = "9"
    & skf18("9","2","10","3","4","3","1") = "9"
    & skf18("9","2","10","3","4","4","1") = "9"
    & skf18("9","2","10","3","4","5","1") = "9"
    & skf18("9","2","10","3","4","6","1") = "9"
    & skf18("9","2","10","3","4","7","1") = "9"
    & skf18("9","2","10","3","4","8","1") = "9"
    & skf18("9","2","10","3","4","9","1") = "9"
    & skf18("9","2","10","3","4","10","1") = "9"
    & skf18("9","2","10","3","5","1","1") = "9"
    & skf18("9","2","10","3","5","2","1") = "9"
    & skf18("9","2","10","3","5","3","1") = "9"
    & skf18("9","2","10","3","5","4","1") = "9"
    & skf18("9","2","10","3","5","5","1") = "9"
    & skf18("9","2","10","3","5","6","1") = "9"
    & skf18("9","2","10","3","5","7","1") = "9"
    & skf18("9","2","10","3","5","8","1") = "9"
    & skf18("9","2","10","3","5","9","1") = "9"
    & skf18("9","2","10","3","5","10","1") = "9"
    & skf18("9","2","10","3","6","1","1") = "9"
    & skf18("9","2","10","3","6","2","1") = "9"
    & skf18("9","2","10","3","6","3","1") = "9"
    & skf18("9","2","10","3","6","4","1") = "9"
    & skf18("9","2","10","3","6","5","1") = "9"
    & skf18("9","2","10","3","6","6","1") = "9"
    & skf18("9","2","10","3","6","7","1") = "9"
    & skf18("9","2","10","3","6","8","1") = "9"
    & skf18("9","2","10","3","6","9","1") = "9"
    & skf18("9","2","10","3","6","10","1") = "9"
    & skf18("9","2","10","3","7","1","1") = "9"
    & skf18("9","2","10","3","7","2","1") = "9"
    & skf18("9","2","10","3","7","3","1") = "9"
    & skf18("9","2","10","3","7","4","1") = "9"
    & skf18("9","2","10","3","7","5","1") = "9"
    & skf18("9","2","10","3","7","6","1") = "9"
    & skf18("9","2","10","3","7","7","1") = "9"
    & skf18("9","2","10","3","7","8","1") = "9"
    & skf18("9","2","10","3","7","9","1") = "9"
    & skf18("9","2","10","3","7","10","1") = "9"
    & skf18("9","2","10","3","8","1","1") = "9"
    & skf18("9","2","10","3","8","2","1") = "9"
    & skf18("9","2","10","3","8","3","1") = "9"
    & skf18("9","2","10","3","8","4","1") = "9"
    & skf18("9","2","10","3","8","5","1") = "9"
    & skf18("9","2","10","3","8","6","1") = "9"
    & skf18("9","2","10","3","8","7","1") = "9"
    & skf18("9","2","10","3","8","8","1") = "9"
    & skf18("9","2","10","3","8","9","1") = "9"
    & skf18("9","2","10","3","8","10","1") = "9"
    & skf18("9","2","10","3","9","1","1") = "9"
    & skf18("9","2","10","3","9","2","1") = "9"
    & skf18("9","2","10","3","9","3","1") = "9"
    & skf18("9","2","10","3","9","4","1") = "9"
    & skf18("9","2","10","3","9","5","1") = "9"
    & skf18("9","2","10","3","9","6","1") = "9"
    & skf18("9","2","10","3","9","7","1") = "9"
    & skf18("9","2","10","3","9","8","1") = "9"
    & skf18("9","2","10","3","9","9","1") = "9"
    & skf18("9","2","10","3","9","10","1") = "9"
    & skf18("9","2","10","3","10","1","1") = "9"
    & skf18("9","2","10","3","10","2","1") = "9"
    & skf18("9","2","10","3","10","3","1") = "9"
    & skf18("9","2","10","3","10","4","1") = "9"
    & skf18("9","2","10","3","10","5","1") = "9"
    & skf18("9","2","10","3","10","6","1") = "9"
    & skf18("9","2","10","3","10","7","1") = "9"
    & skf18("9","2","10","3","10","8","1") = "9"
    & skf18("9","2","10","3","10","9","1") = "9"
    & skf18("9","2","10","3","10","10","1") = "9"
    & skf18("9","2","10","4","1","1","1") = "9"
    & skf18("9","2","10","4","1","2","1") = "9"
    & skf18("9","2","10","4","1","3","1") = "9"
    & skf18("9","2","10","4","1","4","1") = "9"
    & skf18("9","2","10","4","1","5","1") = "9"
    & skf18("9","2","10","4","1","6","1") = "9"
    & skf18("9","2","10","4","1","7","1") = "9"
    & skf18("9","2","10","4","1","8","1") = "9"
    & skf18("9","2","10","4","1","9","1") = "9"
    & skf18("9","2","10","4","1","10","1") = "9"
    & skf18("9","2","10","4","2","1","1") = "9"
    & skf18("9","2","10","4","2","2","1") = "9"
    & skf18("9","2","10","4","2","3","1") = "9"
    & skf18("9","2","10","4","2","4","1") = "9"
    & skf18("9","2","10","4","2","5","1") = "9"
    & skf18("9","2","10","4","2","6","1") = "9"
    & skf18("9","2","10","4","2","7","1") = "9"
    & skf18("9","2","10","4","2","8","1") = "9"
    & skf18("9","2","10","4","2","9","1") = "9"
    & skf18("9","2","10","4","2","10","1") = "9"
    & skf18("9","2","10","4","3","1","1") = "9"
    & skf18("9","2","10","4","3","2","1") = "9"
    & skf18("9","2","10","4","3","3","1") = "9"
    & skf18("9","2","10","4","3","4","1") = "9"
    & skf18("9","2","10","4","3","5","1") = "9"
    & skf18("9","2","10","4","3","6","1") = "9"
    & skf18("9","2","10","4","3","7","1") = "9"
    & skf18("9","2","10","4","3","8","1") = "9"
    & skf18("9","2","10","4","3","9","1") = "9"
    & skf18("9","2","10","4","3","10","1") = "9"
    & skf18("9","2","10","4","4","1","1") = "9"
    & skf18("9","2","10","4","4","2","1") = "9"
    & skf18("9","2","10","4","4","3","1") = "9"
    & skf18("9","2","10","4","4","4","1") = "9"
    & skf18("9","2","10","4","4","5","1") = "9"
    & skf18("9","2","10","4","4","6","1") = "9"
    & skf18("9","2","10","4","4","7","1") = "9"
    & skf18("9","2","10","4","4","8","1") = "9"
    & skf18("9","2","10","4","4","9","1") = "9"
    & skf18("9","2","10","4","4","10","1") = "9"
    & skf18("9","2","10","4","5","1","1") = "9"
    & skf18("9","2","10","4","5","2","1") = "9"
    & skf18("9","2","10","4","5","3","1") = "9"
    & skf18("9","2","10","4","5","4","1") = "9"
    & skf18("9","2","10","4","5","5","1") = "9"
    & skf18("9","2","10","4","5","6","1") = "9"
    & skf18("9","2","10","4","5","7","1") = "9"
    & skf18("9","2","10","4","5","8","1") = "9"
    & skf18("9","2","10","4","5","9","1") = "9"
    & skf18("9","2","10","4","5","10","1") = "9"
    & skf18("9","2","10","4","6","1","1") = "9"
    & skf18("9","2","10","4","6","2","1") = "9"
    & skf18("9","2","10","4","6","3","1") = "9"
    & skf18("9","2","10","4","6","4","1") = "9"
    & skf18("9","2","10","4","6","5","1") = "9"
    & skf18("9","2","10","4","6","6","1") = "9"
    & skf18("9","2","10","4","6","7","1") = "9"
    & skf18("9","2","10","4","6","8","1") = "9"
    & skf18("9","2","10","4","6","9","1") = "9"
    & skf18("9","2","10","4","6","10","1") = "9"
    & skf18("9","2","10","4","7","1","1") = "9"
    & skf18("9","2","10","4","7","2","1") = "9"
    & skf18("9","2","10","4","7","3","1") = "9"
    & skf18("9","2","10","4","7","4","1") = "9"
    & skf18("9","2","10","4","7","5","1") = "9"
    & skf18("9","2","10","4","7","6","1") = "9"
    & skf18("9","2","10","4","7","7","1") = "9"
    & skf18("9","2","10","4","7","8","1") = "9"
    & skf18("9","2","10","4","7","9","1") = "9"
    & skf18("9","2","10","4","7","10","1") = "9"
    & skf18("9","2","10","4","8","1","1") = "9"
    & skf18("9","2","10","4","8","2","1") = "9"
    & skf18("9","2","10","4","8","3","1") = "9"
    & skf18("9","2","10","4","8","4","1") = "9"
    & skf18("9","2","10","4","8","5","1") = "9"
    & skf18("9","2","10","4","8","6","1") = "9"
    & skf18("9","2","10","4","8","7","1") = "9"
    & skf18("9","2","10","4","8","8","1") = "9"
    & skf18("9","2","10","4","8","9","1") = "9"
    & skf18("9","2","10","4","8","10","1") = "9"
    & skf18("9","2","10","4","9","1","1") = "9"
    & skf18("9","2","10","4","9","2","1") = "9"
    & skf18("9","2","10","4","9","3","1") = "9"
    & skf18("9","2","10","4","9","4","1") = "9"
    & skf18("9","2","10","4","9","5","1") = "9"
    & skf18("9","2","10","4","9","6","1") = "9"
    & skf18("9","2","10","4","9","7","1") = "9"
    & skf18("9","2","10","4","9","8","1") = "9"
    & skf18("9","2","10","4","9","9","1") = "9"
    & skf18("9","2","10","4","9","10","1") = "9"
    & skf18("9","2","10","4","10","1","1") = "9"
    & skf18("9","2","10","4","10","2","1") = "9"
    & skf18("9","2","10","4","10","3","1") = "9"
    & skf18("9","2","10","4","10","4","1") = "9"
    & skf18("9","2","10","4","10","5","1") = "9"
    & skf18("9","2","10","4","10","6","1") = "9"
    & skf18("9","2","10","4","10","7","1") = "9"
    & skf18("9","2","10","4","10","8","1") = "9"
    & skf18("9","2","10","4","10","9","1") = "9"
    & skf18("9","2","10","4","10","10","1") = "9"
    & skf18("9","2","10","5","1","1","1") = "9"
    & skf18("9","2","10","5","1","2","1") = "9"
    & skf18("9","2","10","5","1","3","1") = "9"
    & skf18("9","2","10","5","1","4","1") = "9"
    & skf18("9","2","10","5","1","5","1") = "9"
    & skf18("9","2","10","5","1","6","1") = "9"
    & skf18("9","2","10","5","1","7","1") = "9"
    & skf18("9","2","10","5","1","8","1") = "9"
    & skf18("9","2","10","5","1","9","1") = "9"
    & skf18("9","2","10","5","1","10","1") = "9"
    & skf18("9","2","10","5","2","1","1") = "9"
    & skf18("9","2","10","5","2","2","1") = "9"
    & skf18("9","2","10","5","2","3","1") = "9"
    & skf18("9","2","10","5","2","4","1") = "9"
    & skf18("9","2","10","5","2","5","1") = "9"
    & skf18("9","2","10","5","2","6","1") = "9"
    & skf18("9","2","10","5","2","7","1") = "9"
    & skf18("9","2","10","5","2","8","1") = "9"
    & skf18("9","2","10","5","2","9","1") = "9"
    & skf18("9","2","10","5","2","10","1") = "9"
    & skf18("9","2","10","5","3","1","1") = "9"
    & skf18("9","2","10","5","3","2","1") = "9"
    & skf18("9","2","10","5","3","3","1") = "9"
    & skf18("9","2","10","5","3","4","1") = "9"
    & skf18("9","2","10","5","3","5","1") = "9"
    & skf18("9","2","10","5","3","6","1") = "9"
    & skf18("9","2","10","5","3","7","1") = "9"
    & skf18("9","2","10","5","3","8","1") = "9"
    & skf18("9","2","10","5","3","9","1") = "9"
    & skf18("9","2","10","5","3","10","1") = "9"
    & skf18("9","2","10","5","4","1","1") = "9"
    & skf18("9","2","10","5","4","2","1") = "9"
    & skf18("9","2","10","5","4","3","1") = "9"
    & skf18("9","2","10","5","4","4","1") = "9"
    & skf18("9","2","10","5","4","5","1") = "9"
    & skf18("9","2","10","5","4","6","1") = "9"
    & skf18("9","2","10","5","4","7","1") = "9"
    & skf18("9","2","10","5","4","8","1") = "9"
    & skf18("9","2","10","5","4","9","1") = "9"
    & skf18("9","2","10","5","4","10","1") = "9"
    & skf18("9","2","10","5","5","1","1") = "9"
    & skf18("9","2","10","5","5","2","1") = "9"
    & skf18("9","2","10","5","5","3","1") = "9"
    & skf18("9","2","10","5","5","4","1") = "9"
    & skf18("9","2","10","5","5","5","1") = "9"
    & skf18("9","2","10","5","5","6","1") = "9"
    & skf18("9","2","10","5","5","7","1") = "9"
    & skf18("9","2","10","5","5","8","1") = "9"
    & skf18("9","2","10","5","5","9","1") = "9"
    & skf18("9","2","10","5","5","10","1") = "9"
    & skf18("9","2","10","5","6","1","1") = "9"
    & skf18("9","2","10","5","6","2","1") = "9"
    & skf18("9","2","10","5","6","3","1") = "9"
    & skf18("9","2","10","5","6","4","1") = "9"
    & skf18("9","2","10","5","6","5","1") = "9"
    & skf18("9","2","10","5","6","6","1") = "9"
    & skf18("9","2","10","5","6","7","1") = "9"
    & skf18("9","2","10","5","6","8","1") = "9"
    & skf18("9","2","10","5","6","9","1") = "9"
    & skf18("9","2","10","5","6","10","1") = "9"
    & skf18("9","2","10","5","7","1","1") = "9"
    & skf18("9","2","10","5","7","2","1") = "9"
    & skf18("9","2","10","5","7","3","1") = "9"
    & skf18("9","2","10","5","7","4","1") = "9"
    & skf18("9","2","10","5","7","5","1") = "9"
    & skf18("9","2","10","5","7","6","1") = "9"
    & skf18("9","2","10","5","7","7","1") = "9"
    & skf18("9","2","10","5","7","8","1") = "9"
    & skf18("9","2","10","5","7","9","1") = "9"
    & skf18("9","2","10","5","7","10","1") = "9"
    & skf18("9","2","10","5","8","1","1") = "9"
    & skf18("9","2","10","5","8","2","1") = "9"
    & skf18("9","2","10","5","8","3","1") = "9"
    & skf18("9","2","10","5","8","4","1") = "9"
    & skf18("9","2","10","5","8","5","1") = "9"
    & skf18("9","2","10","5","8","6","1") = "9"
    & skf18("9","2","10","5","8","7","1") = "9"
    & skf18("9","2","10","5","8","8","1") = "9"
    & skf18("9","2","10","5","8","9","1") = "9"
    & skf18("9","2","10","5","8","10","1") = "9"
    & skf18("9","2","10","5","9","1","1") = "9"
    & skf18("9","2","10","5","9","2","1") = "9"
    & skf18("9","2","10","5","9","3","1") = "9"
    & skf18("9","2","10","5","9","4","1") = "9"
    & skf18("9","2","10","5","9","5","1") = "9"
    & skf18("9","2","10","5","9","6","1") = "9"
    & skf18("9","2","10","5","9","7","1") = "9"
    & skf18("9","2","10","5","9","8","1") = "9"
    & skf18("9","2","10","5","9","9","1") = "9"
    & skf18("9","2","10","5","9","10","1") = "9"
    & skf18("9","2","10","5","10","1","1") = "9"
    & skf18("9","2","10","5","10","2","1") = "9"
    & skf18("9","2","10","5","10","3","1") = "9"
    & skf18("9","2","10","5","10","4","1") = "9"
    & skf18("9","2","10","5","10","5","1") = "9"
    & skf18("9","2","10","5","10","6","1") = "9"
    & skf18("9","2","10","5","10","7","1") = "9"
    & skf18("9","2","10","5","10","8","1") = "9"
    & skf18("9","2","10","5","10","9","1") = "9"
    & skf18("9","2","10","5","10","10","1") = "9"
    & skf18("9","2","10","6","1","1","1") = "9"
    & skf18("9","2","10","6","1","2","1") = "9"
    & skf18("9","2","10","6","1","3","1") = "9"
    & skf18("9","2","10","6","1","4","1") = "9"
    & skf18("9","2","10","6","1","5","1") = "9"
    & skf18("9","2","10","6","1","6","1") = "9"
    & skf18("9","2","10","6","1","7","1") = "9"
    & skf18("9","2","10","6","1","8","1") = "9"
    & skf18("9","2","10","6","1","9","1") = "9"
    & skf18("9","2","10","6","1","10","1") = "9"
    & skf18("9","2","10","6","2","1","1") = "9"
    & skf18("9","2","10","6","2","2","1") = "9"
    & skf18("9","2","10","6","2","3","1") = "9"
    & skf18("9","2","10","6","2","4","1") = "9"
    & skf18("9","2","10","6","2","5","1") = "9"
    & skf18("9","2","10","6","2","6","1") = "9"
    & skf18("9","2","10","6","2","7","1") = "9"
    & skf18("9","2","10","6","2","8","1") = "9"
    & skf18("9","2","10","6","2","9","1") = "9"
    & skf18("9","2","10","6","2","10","1") = "9"
    & skf18("9","2","10","6","3","1","1") = "9"
    & skf18("9","2","10","6","3","2","1") = "9"
    & skf18("9","2","10","6","3","3","1") = "9"
    & skf18("9","2","10","6","3","4","1") = "9"
    & skf18("9","2","10","6","3","5","1") = "9"
    & skf18("9","2","10","6","3","6","1") = "9"
    & skf18("9","2","10","6","3","7","1") = "9"
    & skf18("9","2","10","6","3","8","1") = "9"
    & skf18("9","2","10","6","3","9","1") = "9"
    & skf18("9","2","10","6","3","10","1") = "9"
    & skf18("9","2","10","6","4","1","1") = "9"
    & skf18("9","2","10","6","4","2","1") = "9"
    & skf18("9","2","10","6","4","3","1") = "9"
    & skf18("9","2","10","6","4","4","1") = "9"
    & skf18("9","2","10","6","4","5","1") = "9"
    & skf18("9","2","10","6","4","6","1") = "9"
    & skf18("9","2","10","6","4","7","1") = "9"
    & skf18("9","2","10","6","4","8","1") = "9"
    & skf18("9","2","10","6","4","9","1") = "9"
    & skf18("9","2","10","6","4","10","1") = "9"
    & skf18("9","2","10","6","5","1","1") = "9"
    & skf18("9","2","10","6","5","2","1") = "9"
    & skf18("9","2","10","6","5","3","1") = "9"
    & skf18("9","2","10","6","5","4","1") = "9"
    & skf18("9","2","10","6","5","5","1") = "9"
    & skf18("9","2","10","6","5","6","1") = "9"
    & skf18("9","2","10","6","5","7","1") = "9"
    & skf18("9","2","10","6","5","8","1") = "9"
    & skf18("9","2","10","6","5","9","1") = "9"
    & skf18("9","2","10","6","5","10","1") = "9"
    & skf18("9","2","10","6","6","1","1") = "9"
    & skf18("9","2","10","6","6","2","1") = "9"
    & skf18("9","2","10","6","6","3","1") = "9"
    & skf18("9","2","10","6","6","4","1") = "9"
    & skf18("9","2","10","6","6","5","1") = "9"
    & skf18("9","2","10","6","6","6","1") = "9"
    & skf18("9","2","10","6","6","7","1") = "9"
    & skf18("9","2","10","6","6","8","1") = "9"
    & skf18("9","2","10","6","6","9","1") = "9"
    & skf18("9","2","10","6","6","10","1") = "9"
    & skf18("9","2","10","6","7","1","1") = "9"
    & skf18("9","2","10","6","7","2","1") = "9"
    & skf18("9","2","10","6","7","3","1") = "9"
    & skf18("9","2","10","6","7","4","1") = "9"
    & skf18("9","2","10","6","7","5","1") = "9"
    & skf18("9","2","10","6","7","6","1") = "9"
    & skf18("9","2","10","6","7","7","1") = "9"
    & skf18("9","2","10","6","7","8","1") = "9"
    & skf18("9","2","10","6","7","9","1") = "9"
    & skf18("9","2","10","6","7","10","1") = "9"
    & skf18("9","2","10","6","8","1","1") = "9"
    & skf18("9","2","10","6","8","2","1") = "9"
    & skf18("9","2","10","6","8","3","1") = "9"
    & skf18("9","2","10","6","8","4","1") = "9"
    & skf18("9","2","10","6","8","5","1") = "9"
    & skf18("9","2","10","6","8","6","1") = "9"
    & skf18("9","2","10","6","8","7","1") = "9"
    & skf18("9","2","10","6","8","8","1") = "9"
    & skf18("9","2","10","6","8","9","1") = "9"
    & skf18("9","2","10","6","8","10","1") = "9"
    & skf18("9","2","10","6","9","1","1") = "9"
    & skf18("9","2","10","6","9","2","1") = "9"
    & skf18("9","2","10","6","9","3","1") = "9"
    & skf18("9","2","10","6","9","4","1") = "9"
    & skf18("9","2","10","6","9","5","1") = "9"
    & skf18("9","2","10","6","9","6","1") = "9"
    & skf18("9","2","10","6","9","7","1") = "9"
    & skf18("9","2","10","6","9","8","1") = "9"
    & skf18("9","2","10","6","9","9","1") = "9"
    & skf18("9","2","10","6","9","10","1") = "9"
    & skf18("9","2","10","6","10","1","1") = "9"
    & skf18("9","2","10","6","10","2","1") = "9"
    & skf18("9","2","10","6","10","3","1") = "9"
    & skf18("9","2","10","6","10","4","1") = "9"
    & skf18("9","2","10","6","10","5","1") = "9"
    & skf18("9","2","10","6","10","6","1") = "9"
    & skf18("9","2","10","6","10","7","1") = "9"
    & skf18("9","2","10","6","10","8","1") = "9"
    & skf18("9","2","10","6","10","9","1") = "9"
    & skf18("9","2","10","6","10","10","1") = "9"
    & skf18("9","2","10","7","1","1","1") = "9"
    & skf18("9","2","10","7","1","2","1") = "9"
    & skf18("9","2","10","7","1","3","1") = "9"
    & skf18("9","2","10","7","1","4","1") = "9"
    & skf18("9","2","10","7","1","5","1") = "9"
    & skf18("9","2","10","7","1","6","1") = "9"
    & skf18("9","2","10","7","1","7","1") = "9"
    & skf18("9","2","10","7","1","8","1") = "9"
    & skf18("9","2","10","7","1","9","1") = "9"
    & skf18("9","2","10","7","1","10","1") = "9"
    & skf18("9","2","10","7","2","1","1") = "9"
    & skf18("9","2","10","7","2","2","1") = "9"
    & skf18("9","2","10","7","2","3","1") = "9"
    & skf18("9","2","10","7","2","4","1") = "9"
    & skf18("9","2","10","7","2","5","1") = "9"
    & skf18("9","2","10","7","2","6","1") = "9"
    & skf18("9","2","10","7","2","7","1") = "9"
    & skf18("9","2","10","7","2","8","1") = "9"
    & skf18("9","2","10","7","2","9","1") = "9"
    & skf18("9","2","10","7","2","10","1") = "9"
    & skf18("9","2","10","7","3","1","1") = "9"
    & skf18("9","2","10","7","3","2","1") = "9"
    & skf18("9","2","10","7","3","3","1") = "9"
    & skf18("9","2","10","7","3","4","1") = "9"
    & skf18("9","2","10","7","3","5","1") = "9"
    & skf18("9","2","10","7","3","6","1") = "9"
    & skf18("9","2","10","7","3","7","1") = "9"
    & skf18("9","2","10","7","3","8","1") = "9"
    & skf18("9","2","10","7","3","9","1") = "9"
    & skf18("9","2","10","7","3","10","1") = "9"
    & skf18("9","2","10","7","4","1","1") = "9"
    & skf18("9","2","10","7","4","2","1") = "9"
    & skf18("9","2","10","7","4","3","1") = "9"
    & skf18("9","2","10","7","4","4","1") = "9"
    & skf18("9","2","10","7","4","5","1") = "9"
    & skf18("9","2","10","7","4","6","1") = "9"
    & skf18("9","2","10","7","4","7","1") = "9"
    & skf18("9","2","10","7","4","8","1") = "9"
    & skf18("9","2","10","7","4","9","1") = "9"
    & skf18("9","2","10","7","4","10","1") = "9"
    & skf18("9","2","10","7","5","1","1") = "9"
    & skf18("9","2","10","7","5","2","1") = "9"
    & skf18("9","2","10","7","5","3","1") = "9"
    & skf18("9","2","10","7","5","4","1") = "9"
    & skf18("9","2","10","7","5","5","1") = "9"
    & skf18("9","2","10","7","5","6","1") = "9"
    & skf18("9","2","10","7","5","7","1") = "9"
    & skf18("9","2","10","7","5","8","1") = "9"
    & skf18("9","2","10","7","5","9","1") = "9"
    & skf18("9","2","10","7","5","10","1") = "9"
    & skf18("9","2","10","7","6","1","1") = "9"
    & skf18("9","2","10","7","6","2","1") = "9"
    & skf18("9","2","10","7","6","3","1") = "9"
    & skf18("9","2","10","7","6","4","1") = "9"
    & skf18("9","2","10","7","6","5","1") = "9"
    & skf18("9","2","10","7","6","6","1") = "9"
    & skf18("9","2","10","7","6","7","1") = "9"
    & skf18("9","2","10","7","6","8","1") = "9"
    & skf18("9","2","10","7","6","9","1") = "9"
    & skf18("9","2","10","7","6","10","1") = "9"
    & skf18("9","2","10","7","7","1","1") = "9"
    & skf18("9","2","10","7","7","2","1") = "9"
    & skf18("9","2","10","7","7","3","1") = "9"
    & skf18("9","2","10","7","7","4","1") = "9"
    & skf18("9","2","10","7","7","5","1") = "9"
    & skf18("9","2","10","7","7","6","1") = "9"
    & skf18("9","2","10","7","7","7","1") = "9"
    & skf18("9","2","10","7","7","8","1") = "9"
    & skf18("9","2","10","7","7","9","1") = "9"
    & skf18("9","2","10","7","7","10","1") = "9"
    & skf18("9","2","10","7","8","1","1") = "9"
    & skf18("9","2","10","7","8","2","1") = "9"
    & skf18("9","2","10","7","8","3","1") = "9"
    & skf18("9","2","10","7","8","4","1") = "9"
    & skf18("9","2","10","7","8","5","1") = "9"
    & skf18("9","2","10","7","8","6","1") = "9"
    & skf18("9","2","10","7","8","7","1") = "9"
    & skf18("9","2","10","7","8","8","1") = "9"
    & skf18("9","2","10","7","8","9","1") = "9"
    & skf18("9","2","10","7","8","10","1") = "9"
    & skf18("9","2","10","7","9","1","1") = "9"
    & skf18("9","2","10","7","9","2","1") = "9"
    & skf18("9","2","10","7","9","3","1") = "9"
    & skf18("9","2","10","7","9","4","1") = "9"
    & skf18("9","2","10","7","9","5","1") = "9"
    & skf18("9","2","10","7","9","6","1") = "9"
    & skf18("9","2","10","7","9","7","1") = "9"
    & skf18("9","2","10","7","9","8","1") = "9"
    & skf18("9","2","10","7","9","9","1") = "9"
    & skf18("9","2","10","7","9","10","1") = "9"
    & skf18("9","2","10","7","10","1","1") = "9"
    & skf18("9","2","10","7","10","2","1") = "9"
    & skf18("9","2","10","7","10","3","1") = "9"
    & skf18("9","2","10","7","10","4","1") = "9"
    & skf18("9","2","10","7","10","5","1") = "9"
    & skf18("9","2","10","7","10","6","1") = "9"
    & skf18("9","2","10","7","10","7","1") = "9"
    & skf18("9","2","10","7","10","8","1") = "9"
    & skf18("9","2","10","7","10","9","1") = "9"
    & skf18("9","2","10","7","10","10","1") = "9"
    & skf18("9","2","10","8","1","1","1") = "9"
    & skf18("9","2","10","8","1","2","1") = "9"
    & skf18("9","2","10","8","1","3","1") = "9"
    & skf18("9","2","10","8","1","4","1") = "9"
    & skf18("9","2","10","8","1","5","1") = "9"
    & skf18("9","2","10","8","1","6","1") = "9"
    & skf18("9","2","10","8","1","7","1") = "9"
    & skf18("9","2","10","8","1","8","1") = "9"
    & skf18("9","2","10","8","1","9","1") = "9"
    & skf18("9","2","10","8","1","10","1") = "9"
    & skf18("9","2","10","8","2","1","1") = "9"
    & skf18("9","2","10","8","2","2","1") = "9"
    & skf18("9","2","10","8","2","3","1") = "9"
    & skf18("9","2","10","8","2","4","1") = "9"
    & skf18("9","2","10","8","2","5","1") = "9"
    & skf18("9","2","10","8","2","6","1") = "9"
    & skf18("9","2","10","8","2","7","1") = "9"
    & skf18("9","2","10","8","2","8","1") = "9"
    & skf18("9","2","10","8","2","9","1") = "9"
    & skf18("9","2","10","8","2","10","1") = "9"
    & skf18("9","2","10","8","3","1","1") = "9"
    & skf18("9","2","10","8","3","2","1") = "9"
    & skf18("9","2","10","8","3","3","1") = "9"
    & skf18("9","2","10","8","3","4","1") = "9"
    & skf18("9","2","10","8","3","5","1") = "9"
    & skf18("9","2","10","8","3","6","1") = "9"
    & skf18("9","2","10","8","3","7","1") = "9"
    & skf18("9","2","10","8","3","8","1") = "9"
    & skf18("9","2","10","8","3","9","1") = "9"
    & skf18("9","2","10","8","3","10","1") = "9"
    & skf18("9","2","10","8","4","1","1") = "9"
    & skf18("9","2","10","8","4","2","1") = "9"
    & skf18("9","2","10","8","4","3","1") = "9"
    & skf18("9","2","10","8","4","4","1") = "9"
    & skf18("9","2","10","8","4","5","1") = "9"
    & skf18("9","2","10","8","4","6","1") = "9"
    & skf18("9","2","10","8","4","7","1") = "9"
    & skf18("9","2","10","8","4","8","1") = "9"
    & skf18("9","2","10","8","4","9","1") = "9"
    & skf18("9","2","10","8","4","10","1") = "9"
    & skf18("9","2","10","8","5","1","1") = "9"
    & skf18("9","2","10","8","5","2","1") = "9"
    & skf18("9","2","10","8","5","3","1") = "9"
    & skf18("9","2","10","8","5","4","1") = "9"
    & skf18("9","2","10","8","5","5","1") = "9"
    & skf18("9","2","10","8","5","6","1") = "9"
    & skf18("9","2","10","8","5","7","1") = "9"
    & skf18("9","2","10","8","5","8","1") = "9"
    & skf18("9","2","10","8","5","9","1") = "9"
    & skf18("9","2","10","8","5","10","1") = "9"
    & skf18("9","2","10","8","6","1","1") = "9"
    & skf18("9","2","10","8","6","2","1") = "9"
    & skf18("9","2","10","8","6","3","1") = "9"
    & skf18("9","2","10","8","6","4","1") = "9"
    & skf18("9","2","10","8","6","5","1") = "9"
    & skf18("9","2","10","8","6","6","1") = "9"
    & skf18("9","2","10","8","6","7","1") = "9"
    & skf18("9","2","10","8","6","8","1") = "9"
    & skf18("9","2","10","8","6","9","1") = "9"
    & skf18("9","2","10","8","6","10","1") = "9"
    & skf18("9","2","10","8","7","1","1") = "9"
    & skf18("9","2","10","8","7","2","1") = "9"
    & skf18("9","2","10","8","7","3","1") = "9"
    & skf18("9","2","10","8","7","4","1") = "9"
    & skf18("9","2","10","8","7","5","1") = "9"
    & skf18("9","2","10","8","7","6","1") = "9"
    & skf18("9","2","10","8","7","7","1") = "9"
    & skf18("9","2","10","8","7","8","1") = "9"
    & skf18("9","2","10","8","7","9","1") = "9"
    & skf18("9","2","10","8","7","10","1") = "9"
    & skf18("9","2","10","8","8","1","1") = "9"
    & skf18("9","2","10","8","8","2","1") = "9"
    & skf18("9","2","10","8","8","3","1") = "9"
    & skf18("9","2","10","8","8","4","1") = "9"
    & skf18("9","2","10","8","8","5","1") = "9"
    & skf18("9","2","10","8","8","6","1") = "9"
    & skf18("9","2","10","8","8","7","1") = "9"
    & skf18("9","2","10","8","8","8","1") = "9"
    & skf18("9","2","10","8","8","9","1") = "9"
    & skf18("9","2","10","8","8","10","1") = "9"
    & skf18("9","2","10","8","9","1","1") = "9"
    & skf18("9","2","10","8","9","2","1") = "9"
    & skf18("9","2","10","8","9","3","1") = "9"
    & skf18("9","2","10","8","9","4","1") = "9"
    & skf18("9","2","10","8","9","5","1") = "9"
    & skf18("9","2","10","8","9","6","1") = "9"
    & skf18("9","2","10","8","9","7","1") = "9"
    & skf18("9","2","10","8","9","8","1") = "9"
    & skf18("9","2","10","8","9","9","1") = "9"
    & skf18("9","2","10","8","9","10","1") = "9"
    & skf18("9","2","10","8","10","1","1") = "9"
    & skf18("9","2","10","8","10","2","1") = "9"
    & skf18("9","2","10","8","10","3","1") = "9"
    & skf18("9","2","10","8","10","4","1") = "9"
    & skf18("9","2","10","8","10","5","1") = "9"
    & skf18("9","2","10","8","10","6","1") = "9"
    & skf18("9","2","10","8","10","7","1") = "9"
    & skf18("9","2","10","8","10","8","1") = "9"
    & skf18("9","2","10","8","10","9","1") = "9"
    & skf18("9","2","10","8","10","10","1") = "9"
    & skf18("9","2","10","9","1","1","1") = "9"
    & skf18("9","2","10","9","1","2","1") = "9"
    & skf18("9","2","10","9","1","3","1") = "9"
    & skf18("9","2","10","9","1","4","1") = "9"
    & skf18("9","2","10","9","1","5","1") = "9"
    & skf18("9","2","10","9","1","6","1") = "9"
    & skf18("9","2","10","9","1","7","1") = "9"
    & skf18("9","2","10","9","1","8","1") = "9"
    & skf18("9","2","10","9","1","9","1") = "9"
    & skf18("9","2","10","9","1","10","1") = "9"
    & skf18("9","2","10","9","2","1","1") = "9"
    & skf18("9","2","10","9","2","2","1") = "9"
    & skf18("9","2","10","9","2","3","1") = "9"
    & skf18("9","2","10","9","2","4","1") = "9"
    & skf18("9","2","10","9","2","5","1") = "9"
    & skf18("9","2","10","9","2","6","1") = "9"
    & skf18("9","2","10","9","2","7","1") = "9"
    & skf18("9","2","10","9","2","8","1") = "9"
    & skf18("9","2","10","9","2","9","1") = "9"
    & skf18("9","2","10","9","2","10","1") = "9"
    & skf18("9","2","10","9","3","1","1") = "9"
    & skf18("9","2","10","9","3","2","1") = "9"
    & skf18("9","2","10","9","3","3","1") = "9"
    & skf18("9","2","10","9","3","4","1") = "9"
    & skf18("9","2","10","9","3","5","1") = "9"
    & skf18("9","2","10","9","3","6","1") = "9"
    & skf18("9","2","10","9","3","7","1") = "9"
    & skf18("9","2","10","9","3","8","1") = "9"
    & skf18("9","2","10","9","3","9","1") = "9"
    & skf18("9","2","10","9","3","10","1") = "9"
    & skf18("9","2","10","9","4","1","1") = "9"
    & skf18("9","2","10","9","4","2","1") = "9"
    & skf18("9","2","10","9","4","3","1") = "9"
    & skf18("9","2","10","9","4","4","1") = "9"
    & skf18("9","2","10","9","4","5","1") = "9"
    & skf18("9","2","10","9","4","6","1") = "9"
    & skf18("9","2","10","9","4","7","1") = "9"
    & skf18("9","2","10","9","4","8","1") = "9"
    & skf18("9","2","10","9","4","9","1") = "9"
    & skf18("9","2","10","9","4","10","1") = "9"
    & skf18("9","2","10","9","5","1","1") = "9"
    & skf18("9","2","10","9","5","2","1") = "9"
    & skf18("9","2","10","9","5","3","1") = "9"
    & skf18("9","2","10","9","5","4","1") = "9"
    & skf18("9","2","10","9","5","5","1") = "9"
    & skf18("9","2","10","9","5","6","1") = "9"
    & skf18("9","2","10","9","5","7","1") = "9"
    & skf18("9","2","10","9","5","8","1") = "9"
    & skf18("9","2","10","9","5","9","1") = "9"
    & skf18("9","2","10","9","5","10","1") = "9"
    & skf18("9","2","10","9","6","1","1") = "9"
    & skf18("9","2","10","9","6","2","1") = "9"
    & skf18("9","2","10","9","6","3","1") = "9"
    & skf18("9","2","10","9","6","4","1") = "9"
    & skf18("9","2","10","9","6","5","1") = "9"
    & skf18("9","2","10","9","6","6","1") = "9"
    & skf18("9","2","10","9","6","7","1") = "9"
    & skf18("9","2","10","9","6","8","1") = "9"
    & skf18("9","2","10","9","6","9","1") = "9"
    & skf18("9","2","10","9","6","10","1") = "9"
    & skf18("9","2","10","9","7","1","1") = "9"
    & skf18("9","2","10","9","7","2","1") = "9"
    & skf18("9","2","10","9","7","3","1") = "9"
    & skf18("9","2","10","9","7","4","1") = "9"
    & skf18("9","2","10","9","7","5","1") = "9"
    & skf18("9","2","10","9","7","6","1") = "9"
    & skf18("9","2","10","9","7","7","1") = "9"
    & skf18("9","2","10","9","7","8","1") = "9"
    & skf18("9","2","10","9","7","9","1") = "9"
    & skf18("9","2","10","9","7","10","1") = "9"
    & skf18("9","2","10","9","8","1","1") = "9"
    & skf18("9","2","10","9","8","2","1") = "9"
    & skf18("9","2","10","9","8","3","1") = "9"
    & skf18("9","2","10","9","8","4","1") = "9"
    & skf18("9","2","10","9","8","5","1") = "9"
    & skf18("9","2","10","9","8","6","1") = "9"
    & skf18("9","2","10","9","8","7","1") = "9"
    & skf18("9","2","10","9","8","8","1") = "9"
    & skf18("9","2","10","9","8","9","1") = "9"
    & skf18("9","2","10","9","8","10","1") = "9"
    & skf18("9","2","10","9","9","1","1") = "9"
    & skf18("9","2","10","9","9","2","1") = "9"
    & skf18("9","2","10","9","9","3","1") = "9"
    & skf18("9","2","10","9","9","4","1") = "9"
    & skf18("9","2","10","9","9","5","1") = "9"
    & skf18("9","2","10","9","9","6","1") = "9"
    & skf18("9","2","10","9","9","7","1") = "9"
    & skf18("9","2","10","9","9","8","1") = "9"
    & skf18("9","2","10","9","9","9","1") = "9"
    & skf18("9","2","10","9","9","10","1") = "9"
    & skf18("9","2","10","9","10","1","1") = "9"
    & skf18("9","2","10","9","10","2","1") = "9"
    & skf18("9","2","10","9","10","3","1") = "9"
    & skf18("9","2","10","9","10","4","1") = "9"
    & skf18("9","2","10","9","10","5","1") = "9"
    & skf18("9","2","10","9","10","6","1") = "9"
    & skf18("9","2","10","9","10","7","1") = "9"
    & skf18("9","2","10","9","10","8","1") = "9"
    & skf18("9","2","10","9","10","9","1") = "9"
    & skf18("9","2","10","9","10","10","1") = "9"
    & skf18("9","2","10","10","1","1","1") = "9"
    & skf18("9","2","10","10","1","2","1") = "9"
    & skf18("9","2","10","10","1","3","1") = "9"
    & skf18("9","2","10","10","1","4","1") = "9"
    & skf18("9","2","10","10","1","5","1") = "9"
    & skf18("9","2","10","10","1","6","1") = "9"
    & skf18("9","2","10","10","1","7","1") = "9"
    & skf18("9","2","10","10","1","8","1") = "9"
    & skf18("9","2","10","10","1","9","1") = "9"
    & skf18("9","2","10","10","1","10","1") = "9"
    & skf18("9","2","10","10","2","1","1") = "9"
    & skf18("9","2","10","10","2","2","1") = "9"
    & skf18("9","2","10","10","2","3","1") = "9"
    & skf18("9","2","10","10","2","4","1") = "9"
    & skf18("9","2","10","10","2","5","1") = "9"
    & skf18("9","2","10","10","2","6","1") = "9"
    & skf18("9","2","10","10","2","7","1") = "9"
    & skf18("9","2","10","10","2","8","1") = "9"
    & skf18("9","2","10","10","2","9","1") = "9"
    & skf18("9","2","10","10","2","10","1") = "9"
    & skf18("9","2","10","10","3","1","1") = "9"
    & skf18("9","2","10","10","3","2","1") = "9"
    & skf18("9","2","10","10","3","3","1") = "9"
    & skf18("9","2","10","10","3","4","1") = "9"
    & skf18("9","2","10","10","3","5","1") = "9"
    & skf18("9","2","10","10","3","6","1") = "9"
    & skf18("9","2","10","10","3","7","1") = "9"
    & skf18("9","2","10","10","3","8","1") = "9"
    & skf18("9","2","10","10","3","9","1") = "9"
    & skf18("9","2","10","10","3","10","1") = "9"
    & skf18("9","2","10","10","4","1","1") = "9"
    & skf18("9","2","10","10","4","2","1") = "9"
    & skf18("9","2","10","10","4","3","1") = "9"
    & skf18("9","2","10","10","4","4","1") = "9"
    & skf18("9","2","10","10","4","5","1") = "9"
    & skf18("9","2","10","10","4","6","1") = "9"
    & skf18("9","2","10","10","4","7","1") = "9"
    & skf18("9","2","10","10","4","8","1") = "9"
    & skf18("9","2","10","10","4","9","1") = "9"
    & skf18("9","2","10","10","4","10","1") = "9"
    & skf18("9","2","10","10","5","1","1") = "9"
    & skf18("9","2","10","10","5","2","1") = "9"
    & skf18("9","2","10","10","5","3","1") = "9"
    & skf18("9","2","10","10","5","4","1") = "9"
    & skf18("9","2","10","10","5","5","1") = "9"
    & skf18("9","2","10","10","5","6","1") = "9"
    & skf18("9","2","10","10","5","7","1") = "9"
    & skf18("9","2","10","10","5","8","1") = "9"
    & skf18("9","2","10","10","5","9","1") = "9"
    & skf18("9","2","10","10","5","10","1") = "9"
    & skf18("9","2","10","10","6","1","1") = "9"
    & skf18("9","2","10","10","6","2","1") = "9"
    & skf18("9","2","10","10","6","3","1") = "9"
    & skf18("9","2","10","10","6","4","1") = "9"
    & skf18("9","2","10","10","6","5","1") = "9"
    & skf18("9","2","10","10","6","6","1") = "9"
    & skf18("9","2","10","10","6","7","1") = "9"
    & skf18("9","2","10","10","6","8","1") = "9"
    & skf18("9","2","10","10","6","9","1") = "9"
    & skf18("9","2","10","10","6","10","1") = "9"
    & skf18("9","2","10","10","7","1","1") = "9"
    & skf18("9","2","10","10","7","2","1") = "9"
    & skf18("9","2","10","10","7","3","1") = "9"
    & skf18("9","2","10","10","7","4","1") = "9"
    & skf18("9","2","10","10","7","5","1") = "9"
    & skf18("9","2","10","10","7","6","1") = "9"
    & skf18("9","2","10","10","7","7","1") = "9"
    & skf18("9","2","10","10","7","8","1") = "9"
    & skf18("9","2","10","10","7","9","1") = "9"
    & skf18("9","2","10","10","7","10","1") = "9"
    & skf18("9","2","10","10","8","1","1") = "9"
    & skf18("9","2","10","10","8","2","1") = "9"
    & skf18("9","2","10","10","8","3","1") = "9"
    & skf18("9","2","10","10","8","4","1") = "9"
    & skf18("9","2","10","10","8","5","1") = "9"
    & skf18("9","2","10","10","8","6","1") = "9"
    & skf18("9","2","10","10","8","7","1") = "9"
    & skf18("9","2","10","10","8","8","1") = "9"
    & skf18("9","2","10","10","8","9","1") = "9"
    & skf18("9","2","10","10","8","10","1") = "9"
    & skf18("9","2","10","10","9","1","1") = "9"
    & skf18("9","2","10","10","9","2","1") = "9"
    & skf18("9","2","10","10","9","3","1") = "9"
    & skf18("9","2","10","10","9","4","1") = "9"
    & skf18("9","2","10","10","9","5","1") = "9"
    & skf18("9","2","10","10","9","6","1") = "9"
    & skf18("9","2","10","10","9","7","1") = "9"
    & skf18("9","2","10","10","9","8","1") = "9"
    & skf18("9","2","10","10","9","9","1") = "9"
    & skf18("9","2","10","10","9","10","1") = "9"
    & skf18("9","2","10","10","10","1","1") = "9"
    & skf18("9","2","10","10","10","2","1") = "9"
    & skf18("9","2","10","10","10","3","1") = "9"
    & skf18("9","2","10","10","10","4","1") = "9"
    & skf18("9","2","10","10","10","5","1") = "9"
    & skf18("9","2","10","10","10","6","1") = "9"
    & skf18("9","2","10","10","10","7","1") = "9"
    & skf18("9","2","10","10","10","8","1") = "9"
    & skf18("9","2","10","10","10","9","1") = "9"
    & skf18("9","2","10","10","10","10","1") = "9"
    & skf18("9","3","1","1","1","1","1") = "8"
    & skf18("9","3","1","1","1","2","1") = "8"
    & skf18("9","3","1","1","1","3","1") = "8"
    & skf18("9","3","1","1","1","4","1") = "8"
    & skf18("9","3","1","1","1","5","1") = "8"
    & skf18("9","3","1","1","1","6","1") = "8"
    & skf18("9","3","1","1","1","7","1") = "8"
    & skf18("9","3","1","1","1","8","1") = "8"
    & skf18("9","3","1","1","1","9","1") = "8"
    & skf18("9","3","1","1","1","10","1") = "9"
    & skf18("9","3","1","1","2","1","1") = "8"
    & skf18("9","3","1","1","2","2","1") = "8"
    & skf18("9","3","1","1","2","3","1") = "8"
    & skf18("9","3","1","1","2","4","1") = "8"
    & skf18("9","3","1","1","2","5","1") = "8"
    & skf18("9","3","1","1","2","6","1") = "8"
    & skf18("9","3","1","1","2","7","1") = "8"
    & skf18("9","3","1","1","2","8","1") = "8"
    & skf18("9","3","1","1","2","9","1") = "8"
    & skf18("9","3","1","1","2","10","1") = "9"
    & skf18("9","3","1","1","3","1","1") = "8"
    & skf18("9","3","1","1","3","2","1") = "8"
    & skf18("9","3","1","1","3","3","1") = "8"
    & skf18("9","3","1","1","3","4","1") = "8"
    & skf18("9","3","1","1","3","5","1") = "8"
    & skf18("9","3","1","1","3","6","1") = "8"
    & skf18("9","3","1","1","3","7","1") = "8"
    & skf18("9","3","1","1","3","8","1") = "8"
    & skf18("9","3","1","1","3","9","1") = "8"
    & skf18("9","3","1","1","3","10","1") = "9"
    & skf18("9","3","1","1","4","1","1") = "8"
    & skf18("9","3","1","1","4","2","1") = "8"
    & skf18("9","3","1","1","4","3","1") = "8"
    & skf18("9","3","1","1","4","4","1") = "8"
    & skf18("9","3","1","1","4","5","1") = "8"
    & skf18("9","3","1","1","4","6","1") = "8"
    & skf18("9","3","1","1","4","7","1") = "8"
    & skf18("9","3","1","1","4","8","1") = "8"
    & skf18("9","3","1","1","4","9","1") = "8"
    & skf18("9","3","1","1","4","10","1") = "9"
    & skf18("9","3","1","1","5","1","1") = "8"
    & skf18("9","3","1","1","5","2","1") = "8"
    & skf18("9","3","1","1","5","3","1") = "8"
    & skf18("9","3","1","1","5","4","1") = "8"
    & skf18("9","3","1","1","5","5","1") = "8"
    & skf18("9","3","1","1","5","6","1") = "8"
    & skf18("9","3","1","1","5","7","1") = "8"
    & skf18("9","3","1","1","5","8","1") = "8"
    & skf18("9","3","1","1","5","9","1") = "8"
    & skf18("9","3","1","1","5","10","1") = "9"
    & skf18("9","3","1","1","6","1","1") = "8"
    & skf18("9","3","1","1","6","2","1") = "8"
    & skf18("9","3","1","1","6","3","1") = "8"
    & skf18("9","3","1","1","6","4","1") = "8"
    & skf18("9","3","1","1","6","5","1") = "8"
    & skf18("9","3","1","1","6","6","1") = "8"
    & skf18("9","3","1","1","6","7","1") = "8"
    & skf18("9","3","1","1","6","8","1") = "8"
    & skf18("9","3","1","1","6","9","1") = "8"
    & skf18("9","3","1","1","6","10","1") = "9"
    & skf18("9","3","1","1","7","1","1") = "8"
    & skf18("9","3","1","1","7","2","1") = "8"
    & skf18("9","3","1","1","7","3","1") = "8"
    & skf18("9","3","1","1","7","4","1") = "8"
    & skf18("9","3","1","1","7","5","1") = "8"
    & skf18("9","3","1","1","7","6","1") = "8"
    & skf18("9","3","1","1","7","7","1") = "8"
    & skf18("9","3","1","1","7","8","1") = "8"
    & skf18("9","3","1","1","7","9","1") = "8"
    & skf18("9","3","1","1","7","10","1") = "9"
    & skf18("9","3","1","1","8","1","1") = "8"
    & skf18("9","3","1","1","8","2","1") = "8"
    & skf18("9","3","1","1","8","3","1") = "8"
    & skf18("9","3","1","1","8","4","1") = "8"
    & skf18("9","3","1","1","8","5","1") = "8"
    & skf18("9","3","1","1","8","6","1") = "8"
    & skf18("9","3","1","1","8","7","1") = "8"
    & skf18("9","3","1","1","8","8","1") = "8"
    & skf18("9","3","1","1","8","9","1") = "8"
    & skf18("9","3","1","1","8","10","1") = "9"
    & skf18("9","3","1","1","9","1","1") = "8"
    & skf18("9","3","1","1","9","2","1") = "8"
    & skf18("9","3","1","1","9","3","1") = "8"
    & skf18("9","3","1","1","9","4","1") = "8"
    & skf18("9","3","1","1","9","5","1") = "8"
    & skf18("9","3","1","1","9","6","1") = "8"
    & skf18("9","3","1","1","9","7","1") = "8"
    & skf18("9","3","1","1","9","8","1") = "8"
    & skf18("9","3","1","1","9","9","1") = "8"
    & skf18("9","3","1","1","9","10","1") = "9"
    & skf18("9","3","1","1","10","1","1") = "9"
    & skf18("9","3","1","1","10","2","1") = "9"
    & skf18("9","3","1","1","10","3","1") = "9"
    & skf18("9","3","1","1","10","4","1") = "9"
    & skf18("9","3","1","1","10","5","1") = "9"
    & skf18("9","3","1","1","10","6","1") = "9"
    & skf18("9","3","1","1","10","7","1") = "9"
    & skf18("9","3","1","1","10","8","1") = "9"
    & skf18("9","3","1","1","10","9","1") = "9"
    & skf18("9","3","1","1","10","10","1") = "9"
    & skf18("9","3","1","2","1","1","1") = "8"
    & skf18("9","3","1","2","1","2","1") = "8"
    & skf18("9","3","1","2","1","3","1") = "8"
    & skf18("9","3","1","2","1","4","1") = "8"
    & skf18("9","3","1","2","1","5","1") = "8"
    & skf18("9","3","1","2","1","6","1") = "8"
    & skf18("9","3","1","2","1","7","1") = "8"
    & skf18("9","3","1","2","1","8","1") = "8"
    & skf18("9","3","1","2","1","9","1") = "8"
    & skf18("9","3","1","2","1","10","1") = "9"
    & skf18("9","3","1","2","2","1","1") = "8"
    & skf18("9","3","1","2","2","2","1") = "8"
    & skf18("9","3","1","2","2","3","1") = "8"
    & skf18("9","3","1","2","2","4","1") = "8"
    & skf18("9","3","1","2","2","5","1") = "8"
    & skf18("9","3","1","2","2","6","1") = "8"
    & skf18("9","3","1","2","2","7","1") = "8"
    & skf18("9","3","1","2","2","8","1") = "8"
    & skf18("9","3","1","2","2","9","1") = "8"
    & skf18("9","3","1","2","2","10","1") = "9"
    & skf18("9","3","1","2","3","1","1") = "8"
    & skf18("9","3","1","2","3","2","1") = "8"
    & skf18("9","3","1","2","3","3","1") = "8"
    & skf18("9","3","1","2","3","4","1") = "8"
    & skf18("9","3","1","2","3","5","1") = "8"
    & skf18("9","3","1","2","3","6","1") = "8"
    & skf18("9","3","1","2","3","7","1") = "8"
    & skf18("9","3","1","2","3","8","1") = "8"
    & skf18("9","3","1","2","3","9","1") = "8"
    & skf18("9","3","1","2","3","10","1") = "9"
    & skf18("9","3","1","2","4","1","1") = "8"
    & skf18("9","3","1","2","4","2","1") = "8"
    & skf18("9","3","1","2","4","3","1") = "8"
    & skf18("9","3","1","2","4","4","1") = "8"
    & skf18("9","3","1","2","4","5","1") = "8"
    & skf18("9","3","1","2","4","6","1") = "8"
    & skf18("9","3","1","2","4","7","1") = "8"
    & skf18("9","3","1","2","4","8","1") = "8"
    & skf18("9","3","1","2","4","9","1") = "8"
    & skf18("9","3","1","2","4","10","1") = "9"
    & skf18("9","3","1","2","5","1","1") = "8"
    & skf18("9","3","1","2","5","2","1") = "8"
    & skf18("9","3","1","2","5","3","1") = "8"
    & skf18("9","3","1","2","5","4","1") = "8"
    & skf18("9","3","1","2","5","5","1") = "8"
    & skf18("9","3","1","2","5","6","1") = "8"
    & skf18("9","3","1","2","5","7","1") = "8"
    & skf18("9","3","1","2","5","8","1") = "8"
    & skf18("9","3","1","2","5","9","1") = "8"
    & skf18("9","3","1","2","5","10","1") = "9"
    & skf18("9","3","1","2","6","1","1") = "8"
    & skf18("9","3","1","2","6","2","1") = "8"
    & skf18("9","3","1","2","6","3","1") = "8"
    & skf18("9","3","1","2","6","4","1") = "8"
    & skf18("9","3","1","2","6","5","1") = "8"
    & skf18("9","3","1","2","6","6","1") = "8"
    & skf18("9","3","1","2","6","7","1") = "8"
    & skf18("9","3","1","2","6","8","1") = "8"
    & skf18("9","3","1","2","6","9","1") = "8"
    & skf18("9","3","1","2","6","10","1") = "9"
    & skf18("9","3","1","2","7","1","1") = "8"
    & skf18("9","3","1","2","7","2","1") = "8"
    & skf18("9","3","1","2","7","3","1") = "8"
    & skf18("9","3","1","2","7","4","1") = "8"
    & skf18("9","3","1","2","7","5","1") = "8"
    & skf18("9","3","1","2","7","6","1") = "8"
    & skf18("9","3","1","2","7","7","1") = "8"
    & skf18("9","3","1","2","7","8","1") = "8"
    & skf18("9","3","1","2","7","9","1") = "8"
    & skf18("9","3","1","2","7","10","1") = "9"
    & skf18("9","3","1","2","8","1","1") = "8"
    & skf18("9","3","1","2","8","2","1") = "8"
    & skf18("9","3","1","2","8","3","1") = "8"
    & skf18("9","3","1","2","8","4","1") = "8"
    & skf18("9","3","1","2","8","5","1") = "8"
    & skf18("9","3","1","2","8","6","1") = "8"
    & skf18("9","3","1","2","8","7","1") = "8"
    & skf18("9","3","1","2","8","8","1") = "8"
    & skf18("9","3","1","2","8","9","1") = "8"
    & skf18("9","3","1","2","8","10","1") = "9"
    & skf18("9","3","1","2","9","1","1") = "8"
    & skf18("9","3","1","2","9","2","1") = "8"
    & skf18("9","3","1","2","9","3","1") = "8"
    & skf18("9","3","1","2","9","4","1") = "8"
    & skf18("9","3","1","2","9","5","1") = "8"
    & skf18("9","3","1","2","9","6","1") = "8"
    & skf18("9","3","1","2","9","7","1") = "8"
    & skf18("9","3","1","2","9","8","1") = "8"
    & skf18("9","3","1","2","9","9","1") = "8"
    & skf18("9","3","1","2","9","10","1") = "9"
    & skf18("9","3","1","2","10","1","1") = "9"
    & skf18("9","3","1","2","10","2","1") = "9"
    & skf18("9","3","1","2","10","3","1") = "9"
    & skf18("9","3","1","2","10","4","1") = "9"
    & skf18("9","3","1","2","10","5","1") = "9"
    & skf18("9","3","1","2","10","6","1") = "9"
    & skf18("9","3","1","2","10","7","1") = "9"
    & skf18("9","3","1","2","10","8","1") = "9"
    & skf18("9","3","1","2","10","9","1") = "9"
    & skf18("9","3","1","2","10","10","1") = "9"
    & skf18("9","3","1","3","1","1","1") = "8"
    & skf18("9","3","1","3","1","2","1") = "8"
    & skf18("9","3","1","3","1","3","1") = "8"
    & skf18("9","3","1","3","1","4","1") = "8"
    & skf18("9","3","1","3","1","5","1") = "8"
    & skf18("9","3","1","3","1","6","1") = "8"
    & skf18("9","3","1","3","1","7","1") = "8"
    & skf18("9","3","1","3","1","8","1") = "8"
    & skf18("9","3","1","3","1","9","1") = "8"
    & skf18("9","3","1","3","1","10","1") = "9"
    & skf18("9","3","1","3","2","1","1") = "8"
    & skf18("9","3","1","3","2","2","1") = "8"
    & skf18("9","3","1","3","2","3","1") = "8"
    & skf18("9","3","1","3","2","4","1") = "8"
    & skf18("9","3","1","3","2","5","1") = "8"
    & skf18("9","3","1","3","2","6","1") = "8"
    & skf18("9","3","1","3","2","7","1") = "8"
    & skf18("9","3","1","3","2","8","1") = "8"
    & skf18("9","3","1","3","2","9","1") = "8"
    & skf18("9","3","1","3","2","10","1") = "9"
    & skf18("9","3","1","3","3","1","1") = "8"
    & skf18("9","3","1","3","3","2","1") = "8"
    & skf18("9","3","1","3","3","3","1") = "8"
    & skf18("9","3","1","3","3","4","1") = "8"
    & skf18("9","3","1","3","3","5","1") = "8"
    & skf18("9","3","1","3","3","6","1") = "8"
    & skf18("9","3","1","3","3","7","1") = "8"
    & skf18("9","3","1","3","3","8","1") = "8"
    & skf18("9","3","1","3","3","9","1") = "8"
    & skf18("9","3","1","3","3","10","1") = "9"
    & skf18("9","3","1","3","4","1","1") = "8"
    & skf18("9","3","1","3","4","2","1") = "8"
    & skf18("9","3","1","3","4","3","1") = "8"
    & skf18("9","3","1","3","4","4","1") = "8"
    & skf18("9","3","1","3","4","5","1") = "8"
    & skf18("9","3","1","3","4","6","1") = "8"
    & skf18("9","3","1","3","4","7","1") = "8"
    & skf18("9","3","1","3","4","8","1") = "8"
    & skf18("9","3","1","3","4","9","1") = "8"
    & skf18("9","3","1","3","4","10","1") = "9"
    & skf18("9","3","1","3","5","1","1") = "8"
    & skf18("9","3","1","3","5","2","1") = "8"
    & skf18("9","3","1","3","5","3","1") = "8"
    & skf18("9","3","1","3","5","4","1") = "8"
    & skf18("9","3","1","3","5","5","1") = "8"
    & skf18("9","3","1","3","5","6","1") = "8"
    & skf18("9","3","1","3","5","7","1") = "8"
    & skf18("9","3","1","3","5","8","1") = "8"
    & skf18("9","3","1","3","5","9","1") = "8"
    & skf18("9","3","1","3","5","10","1") = "9"
    & skf18("9","3","1","3","6","1","1") = "8"
    & skf18("9","3","1","3","6","2","1") = "8"
    & skf18("9","3","1","3","6","3","1") = "8"
    & skf18("9","3","1","3","6","4","1") = "8"
    & skf18("9","3","1","3","6","5","1") = "8"
    & skf18("9","3","1","3","6","6","1") = "8"
    & skf18("9","3","1","3","6","7","1") = "8"
    & skf18("9","3","1","3","6","8","1") = "8"
    & skf18("9","3","1","3","6","9","1") = "8"
    & skf18("9","3","1","3","6","10","1") = "9"
    & skf18("9","3","1","3","7","1","1") = "8"
    & skf18("9","3","1","3","7","2","1") = "8"
    & skf18("9","3","1","3","7","3","1") = "8"
    & skf18("9","3","1","3","7","4","1") = "8"
    & skf18("9","3","1","3","7","5","1") = "8"
    & skf18("9","3","1","3","7","6","1") = "8"
    & skf18("9","3","1","3","7","7","1") = "8"
    & skf18("9","3","1","3","7","8","1") = "8"
    & skf18("9","3","1","3","7","9","1") = "8"
    & skf18("9","3","1","3","7","10","1") = "9"
    & skf18("9","3","1","3","8","1","1") = "8"
    & skf18("9","3","1","3","8","2","1") = "8"
    & skf18("9","3","1","3","8","3","1") = "8"
    & skf18("9","3","1","3","8","4","1") = "8"
    & skf18("9","3","1","3","8","5","1") = "8"
    & skf18("9","3","1","3","8","6","1") = "8"
    & skf18("9","3","1","3","8","7","1") = "8"
    & skf18("9","3","1","3","8","8","1") = "8"
    & skf18("9","3","1","3","8","9","1") = "8"
    & skf18("9","3","1","3","8","10","1") = "9"
    & skf18("9","3","1","3","9","1","1") = "8"
    & skf18("9","3","1","3","9","2","1") = "8"
    & skf18("9","3","1","3","9","3","1") = "8"
    & skf18("9","3","1","3","9","4","1") = "8"
    & skf18("9","3","1","3","9","5","1") = "8"
    & skf18("9","3","1","3","9","6","1") = "8"
    & skf18("9","3","1","3","9","7","1") = "8"
    & skf18("9","3","1","3","9","8","1") = "8"
    & skf18("9","3","1","3","9","9","1") = "8"
    & skf18("9","3","1","3","9","10","1") = "9"
    & skf18("9","3","1","3","10","1","1") = "9"
    & skf18("9","3","1","3","10","2","1") = "9"
    & skf18("9","3","1","3","10","3","1") = "9"
    & skf18("9","3","1","3","10","4","1") = "9"
    & skf18("9","3","1","3","10","5","1") = "9"
    & skf18("9","3","1","3","10","6","1") = "9"
    & skf18("9","3","1","3","10","7","1") = "9"
    & skf18("9","3","1","3","10","8","1") = "9"
    & skf18("9","3","1","3","10","9","1") = "9"
    & skf18("9","3","1","3","10","10","1") = "9"
    & skf18("9","3","1","4","1","1","1") = "8"
    & skf18("9","3","1","4","1","2","1") = "8"
    & skf18("9","3","1","4","1","3","1") = "8"
    & skf18("9","3","1","4","1","4","1") = "8"
    & skf18("9","3","1","4","1","5","1") = "8"
    & skf18("9","3","1","4","1","6","1") = "8"
    & skf18("9","3","1","4","1","7","1") = "8"
    & skf18("9","3","1","4","1","8","1") = "8"
    & skf18("9","3","1","4","1","9","1") = "8"
    & skf18("9","3","1","4","1","10","1") = "9"
    & skf18("9","3","1","4","2","1","1") = "8"
    & skf18("9","3","1","4","2","2","1") = "8"
    & skf18("9","3","1","4","2","3","1") = "8"
    & skf18("9","3","1","4","2","4","1") = "8"
    & skf18("9","3","1","4","2","5","1") = "8"
    & skf18("9","3","1","4","2","6","1") = "8"
    & skf18("9","3","1","4","2","7","1") = "8"
    & skf18("9","3","1","4","2","8","1") = "8"
    & skf18("9","3","1","4","2","9","1") = "8"
    & skf18("9","3","1","4","2","10","1") = "9"
    & skf18("9","3","1","4","3","1","1") = "8"
    & skf18("9","3","1","4","3","2","1") = "8"
    & skf18("9","3","1","4","3","3","1") = "8"
    & skf18("9","3","1","4","3","4","1") = "8"
    & skf18("9","3","1","4","3","5","1") = "8"
    & skf18("9","3","1","4","3","6","1") = "8"
    & skf18("9","3","1","4","3","7","1") = "8"
    & skf18("9","3","1","4","3","8","1") = "8"
    & skf18("9","3","1","4","3","9","1") = "8"
    & skf18("9","3","1","4","3","10","1") = "9"
    & skf18("9","3","1","4","4","1","1") = "8"
    & skf18("9","3","1","4","4","2","1") = "8"
    & skf18("9","3","1","4","4","3","1") = "8"
    & skf18("9","3","1","4","4","4","1") = "8"
    & skf18("9","3","1","4","4","5","1") = "8"
    & skf18("9","3","1","4","4","6","1") = "8"
    & skf18("9","3","1","4","4","7","1") = "8"
    & skf18("9","3","1","4","4","8","1") = "8"
    & skf18("9","3","1","4","4","9","1") = "8"
    & skf18("9","3","1","4","4","10","1") = "9"
    & skf18("9","3","1","4","5","1","1") = "8"
    & skf18("9","3","1","4","5","2","1") = "8"
    & skf18("9","3","1","4","5","3","1") = "8"
    & skf18("9","3","1","4","5","4","1") = "8"
    & skf18("9","3","1","4","5","5","1") = "8"
    & skf18("9","3","1","4","5","6","1") = "8"
    & skf18("9","3","1","4","5","7","1") = "8"
    & skf18("9","3","1","4","5","8","1") = "8"
    & skf18("9","3","1","4","5","9","1") = "8"
    & skf18("9","3","1","4","5","10","1") = "9"
    & skf18("9","3","1","4","6","1","1") = "8"
    & skf18("9","3","1","4","6","2","1") = "8"
    & skf18("9","3","1","4","6","3","1") = "8"
    & skf18("9","3","1","4","6","4","1") = "8"
    & skf18("9","3","1","4","6","5","1") = "8"
    & skf18("9","3","1","4","6","6","1") = "8"
    & skf18("9","3","1","4","6","7","1") = "8"
    & skf18("9","3","1","4","6","8","1") = "8"
    & skf18("9","3","1","4","6","9","1") = "8"
    & skf18("9","3","1","4","6","10","1") = "9"
    & skf18("9","3","1","4","7","1","1") = "8"
    & skf18("9","3","1","4","7","2","1") = "8"
    & skf18("9","3","1","4","7","3","1") = "8"
    & skf18("9","3","1","4","7","4","1") = "8"
    & skf18("9","3","1","4","7","5","1") = "8"
    & skf18("9","3","1","4","7","6","1") = "8"
    & skf18("9","3","1","4","7","7","1") = "8"
    & skf18("9","3","1","4","7","8","1") = "8"
    & skf18("9","3","1","4","7","9","1") = "8"
    & skf18("9","3","1","4","7","10","1") = "9"
    & skf18("9","3","1","4","8","1","1") = "8"
    & skf18("9","3","1","4","8","2","1") = "8"
    & skf18("9","3","1","4","8","3","1") = "8"
    & skf18("9","3","1","4","8","4","1") = "8"
    & skf18("9","3","1","4","8","5","1") = "8"
    & skf18("9","3","1","4","8","6","1") = "8"
    & skf18("9","3","1","4","8","7","1") = "8"
    & skf18("9","3","1","4","8","8","1") = "8"
    & skf18("9","3","1","4","8","9","1") = "8"
    & skf18("9","3","1","4","8","10","1") = "9"
    & skf18("9","3","1","4","9","1","1") = "8"
    & skf18("9","3","1","4","9","2","1") = "8"
    & skf18("9","3","1","4","9","3","1") = "8"
    & skf18("9","3","1","4","9","4","1") = "8"
    & skf18("9","3","1","4","9","5","1") = "8"
    & skf18("9","3","1","4","9","6","1") = "8"
    & skf18("9","3","1","4","9","7","1") = "8"
    & skf18("9","3","1","4","9","8","1") = "8"
    & skf18("9","3","1","4","9","9","1") = "8"
    & skf18("9","3","1","4","9","10","1") = "9"
    & skf18("9","3","1","4","10","1","1") = "9"
    & skf18("9","3","1","4","10","2","1") = "9"
    & skf18("9","3","1","4","10","3","1") = "9"
    & skf18("9","3","1","4","10","4","1") = "9"
    & skf18("9","3","1","4","10","5","1") = "9"
    & skf18("9","3","1","4","10","6","1") = "9"
    & skf18("9","3","1","4","10","7","1") = "9"
    & skf18("9","3","1","4","10","8","1") = "9"
    & skf18("9","3","1","4","10","9","1") = "9"
    & skf18("9","3","1","4","10","10","1") = "9"
    & skf18("9","3","1","5","1","1","1") = "8"
    & skf18("9","3","1","5","1","2","1") = "8"
    & skf18("9","3","1","5","1","3","1") = "8"
    & skf18("9","3","1","5","1","4","1") = "8"
    & skf18("9","3","1","5","1","5","1") = "8"
    & skf18("9","3","1","5","1","6","1") = "8"
    & skf18("9","3","1","5","1","7","1") = "8"
    & skf18("9","3","1","5","1","8","1") = "8"
    & skf18("9","3","1","5","1","9","1") = "8"
    & skf18("9","3","1","5","1","10","1") = "9"
    & skf18("9","3","1","5","2","1","1") = "8"
    & skf18("9","3","1","5","2","2","1") = "8"
    & skf18("9","3","1","5","2","3","1") = "8"
    & skf18("9","3","1","5","2","4","1") = "8"
    & skf18("9","3","1","5","2","5","1") = "8"
    & skf18("9","3","1","5","2","6","1") = "8"
    & skf18("9","3","1","5","2","7","1") = "8"
    & skf18("9","3","1","5","2","8","1") = "8"
    & skf18("9","3","1","5","2","9","1") = "8"
    & skf18("9","3","1","5","2","10","1") = "9"
    & skf18("9","3","1","5","3","1","1") = "8"
    & skf18("9","3","1","5","3","2","1") = "8"
    & skf18("9","3","1","5","3","3","1") = "8"
    & skf18("9","3","1","5","3","4","1") = "8"
    & skf18("9","3","1","5","3","5","1") = "8"
    & skf18("9","3","1","5","3","6","1") = "8"
    & skf18("9","3","1","5","3","7","1") = "8"
    & skf18("9","3","1","5","3","8","1") = "8"
    & skf18("9","3","1","5","3","9","1") = "8"
    & skf18("9","3","1","5","3","10","1") = "9"
    & skf18("9","3","1","5","4","1","1") = "8"
    & skf18("9","3","1","5","4","2","1") = "8"
    & skf18("9","3","1","5","4","3","1") = "8"
    & skf18("9","3","1","5","4","4","1") = "8"
    & skf18("9","3","1","5","4","5","1") = "8"
    & skf18("9","3","1","5","4","6","1") = "8"
    & skf18("9","3","1","5","4","7","1") = "8"
    & skf18("9","3","1","5","4","8","1") = "8"
    & skf18("9","3","1","5","4","9","1") = "8"
    & skf18("9","3","1","5","4","10","1") = "9"
    & skf18("9","3","1","5","5","1","1") = "8"
    & skf18("9","3","1","5","5","2","1") = "8"
    & skf18("9","3","1","5","5","3","1") = "8"
    & skf18("9","3","1","5","5","4","1") = "8"
    & skf18("9","3","1","5","5","5","1") = "8"
    & skf18("9","3","1","5","5","6","1") = "8"
    & skf18("9","3","1","5","5","7","1") = "8"
    & skf18("9","3","1","5","5","8","1") = "8"
    & skf18("9","3","1","5","5","9","1") = "8"
    & skf18("9","3","1","5","5","10","1") = "9"
    & skf18("9","3","1","5","6","1","1") = "8"
    & skf18("9","3","1","5","6","2","1") = "8"
    & skf18("9","3","1","5","6","3","1") = "8"
    & skf18("9","3","1","5","6","4","1") = "8"
    & skf18("9","3","1","5","6","5","1") = "8"
    & skf18("9","3","1","5","6","6","1") = "8"
    & skf18("9","3","1","5","6","7","1") = "8"
    & skf18("9","3","1","5","6","8","1") = "8"
    & skf18("9","3","1","5","6","9","1") = "8"
    & skf18("9","3","1","5","6","10","1") = "9"
    & skf18("9","3","1","5","7","1","1") = "8"
    & skf18("9","3","1","5","7","2","1") = "8"
    & skf18("9","3","1","5","7","3","1") = "8"
    & skf18("9","3","1","5","7","4","1") = "8"
    & skf18("9","3","1","5","7","5","1") = "8"
    & skf18("9","3","1","5","7","6","1") = "8"
    & skf18("9","3","1","5","7","7","1") = "8"
    & skf18("9","3","1","5","7","8","1") = "8"
    & skf18("9","3","1","5","7","9","1") = "8"
    & skf18("9","3","1","5","7","10","1") = "9"
    & skf18("9","3","1","5","8","1","1") = "8"
    & skf18("9","3","1","5","8","2","1") = "8"
    & skf18("9","3","1","5","8","3","1") = "8"
    & skf18("9","3","1","5","8","4","1") = "8"
    & skf18("9","3","1","5","8","5","1") = "8"
    & skf18("9","3","1","5","8","6","1") = "8"
    & skf18("9","3","1","5","8","7","1") = "8"
    & skf18("9","3","1","5","8","8","1") = "8"
    & skf18("9","3","1","5","8","9","1") = "8"
    & skf18("9","3","1","5","8","10","1") = "9"
    & skf18("9","3","1","5","9","1","1") = "8"
    & skf18("9","3","1","5","9","2","1") = "8"
    & skf18("9","3","1","5","9","3","1") = "8"
    & skf18("9","3","1","5","9","4","1") = "8"
    & skf18("9","3","1","5","9","5","1") = "8"
    & skf18("9","3","1","5","9","6","1") = "8"
    & skf18("9","3","1","5","9","7","1") = "8"
    & skf18("9","3","1","5","9","8","1") = "8"
    & skf18("9","3","1","5","9","9","1") = "8"
    & skf18("9","3","1","5","9","10","1") = "9"
    & skf18("9","3","1","5","10","1","1") = "9"
    & skf18("9","3","1","5","10","2","1") = "9"
    & skf18("9","3","1","5","10","3","1") = "9"
    & skf18("9","3","1","5","10","4","1") = "9"
    & skf18("9","3","1","5","10","5","1") = "9"
    & skf18("9","3","1","5","10","6","1") = "9"
    & skf18("9","3","1","5","10","7","1") = "9"
    & skf18("9","3","1","5","10","8","1") = "9"
    & skf18("9","3","1","5","10","9","1") = "9"
    & skf18("9","3","1","5","10","10","1") = "9"
    & skf18("9","3","1","6","1","1","1") = "8"
    & skf18("9","3","1","6","1","2","1") = "8"
    & skf18("9","3","1","6","1","3","1") = "8"
    & skf18("9","3","1","6","1","4","1") = "8"
    & skf18("9","3","1","6","1","5","1") = "8"
    & skf18("9","3","1","6","1","6","1") = "8"
    & skf18("9","3","1","6","1","7","1") = "8"
    & skf18("9","3","1","6","1","8","1") = "8"
    & skf18("9","3","1","6","1","9","1") = "8"
    & skf18("9","3","1","6","1","10","1") = "9"
    & skf18("9","3","1","6","2","1","1") = "8"
    & skf18("9","3","1","6","2","2","1") = "8"
    & skf18("9","3","1","6","2","3","1") = "8"
    & skf18("9","3","1","6","2","4","1") = "8"
    & skf18("9","3","1","6","2","5","1") = "8"
    & skf18("9","3","1","6","2","6","1") = "8"
    & skf18("9","3","1","6","2","7","1") = "8"
    & skf18("9","3","1","6","2","8","1") = "8"
    & skf18("9","3","1","6","2","9","1") = "8"
    & skf18("9","3","1","6","2","10","1") = "9"
    & skf18("9","3","1","6","3","1","1") = "8"
    & skf18("9","3","1","6","3","2","1") = "8"
    & skf18("9","3","1","6","3","3","1") = "8"
    & skf18("9","3","1","6","3","4","1") = "8"
    & skf18("9","3","1","6","3","5","1") = "8"
    & skf18("9","3","1","6","3","6","1") = "8"
    & skf18("9","3","1","6","3","7","1") = "8"
    & skf18("9","3","1","6","3","8","1") = "8"
    & skf18("9","3","1","6","3","9","1") = "8"
    & skf18("9","3","1","6","3","10","1") = "9"
    & skf18("9","3","1","6","4","1","1") = "8"
    & skf18("9","3","1","6","4","2","1") = "8"
    & skf18("9","3","1","6","4","3","1") = "8"
    & skf18("9","3","1","6","4","4","1") = "8"
    & skf18("9","3","1","6","4","5","1") = "8"
    & skf18("9","3","1","6","4","6","1") = "8"
    & skf18("9","3","1","6","4","7","1") = "8"
    & skf18("9","3","1","6","4","8","1") = "8"
    & skf18("9","3","1","6","4","9","1") = "8"
    & skf18("9","3","1","6","4","10","1") = "9"
    & skf18("9","3","1","6","5","1","1") = "8"
    & skf18("9","3","1","6","5","2","1") = "8"
    & skf18("9","3","1","6","5","3","1") = "8"
    & skf18("9","3","1","6","5","4","1") = "8"
    & skf18("9","3","1","6","5","5","1") = "8"
    & skf18("9","3","1","6","5","6","1") = "8"
    & skf18("9","3","1","6","5","7","1") = "8"
    & skf18("9","3","1","6","5","8","1") = "8"
    & skf18("9","3","1","6","5","9","1") = "8"
    & skf18("9","3","1","6","5","10","1") = "9"
    & skf18("9","3","1","6","6","1","1") = "8"
    & skf18("9","3","1","6","6","2","1") = "8"
    & skf18("9","3","1","6","6","3","1") = "8"
    & skf18("9","3","1","6","6","4","1") = "8"
    & skf18("9","3","1","6","6","5","1") = "8"
    & skf18("9","3","1","6","6","6","1") = "8"
    & skf18("9","3","1","6","6","7","1") = "8"
    & skf18("9","3","1","6","6","8","1") = "8"
    & skf18("9","3","1","6","6","9","1") = "8"
    & skf18("9","3","1","6","6","10","1") = "9"
    & skf18("9","3","1","6","7","1","1") = "8"
    & skf18("9","3","1","6","7","2","1") = "8"
    & skf18("9","3","1","6","7","3","1") = "8"
    & skf18("9","3","1","6","7","4","1") = "8"
    & skf18("9","3","1","6","7","5","1") = "8"
    & skf18("9","3","1","6","7","6","1") = "8"
    & skf18("9","3","1","6","7","7","1") = "8"
    & skf18("9","3","1","6","7","8","1") = "8"
    & skf18("9","3","1","6","7","9","1") = "8"
    & skf18("9","3","1","6","7","10","1") = "9"
    & skf18("9","3","1","6","8","1","1") = "8"
    & skf18("9","3","1","6","8","2","1") = "8"
    & skf18("9","3","1","6","8","3","1") = "8"
    & skf18("9","3","1","6","8","4","1") = "8"
    & skf18("9","3","1","6","8","5","1") = "8"
    & skf18("9","3","1","6","8","6","1") = "8"
    & skf18("9","3","1","6","8","7","1") = "8"
    & skf18("9","3","1","6","8","8","1") = "8"
    & skf18("9","3","1","6","8","9","1") = "8"
    & skf18("9","3","1","6","8","10","1") = "9"
    & skf18("9","3","1","6","9","1","1") = "8"
    & skf18("9","3","1","6","9","2","1") = "8"
    & skf18("9","3","1","6","9","3","1") = "8"
    & skf18("9","3","1","6","9","4","1") = "8"
    & skf18("9","3","1","6","9","5","1") = "8"
    & skf18("9","3","1","6","9","6","1") = "8"
    & skf18("9","3","1","6","9","7","1") = "8"
    & skf18("9","3","1","6","9","8","1") = "8"
    & skf18("9","3","1","6","9","9","1") = "8"
    & skf18("9","3","1","6","9","10","1") = "9"
    & skf18("9","3","1","6","10","1","1") = "9"
    & skf18("9","3","1","6","10","2","1") = "9"
    & skf18("9","3","1","6","10","3","1") = "9"
    & skf18("9","3","1","6","10","4","1") = "9"
    & skf18("9","3","1","6","10","5","1") = "9"
    & skf18("9","3","1","6","10","6","1") = "9"
    & skf18("9","3","1","6","10","7","1") = "9"
    & skf18("9","3","1","6","10","8","1") = "9"
    & skf18("9","3","1","6","10","9","1") = "9"
    & skf18("9","3","1","6","10","10","1") = "9"
    & skf18("9","3","1","7","1","1","1") = "8"
    & skf18("9","3","1","7","1","2","1") = "8"
    & skf18("9","3","1","7","1","3","1") = "8"
    & skf18("9","3","1","7","1","4","1") = "8"
    & skf18("9","3","1","7","1","5","1") = "8"
    & skf18("9","3","1","7","1","6","1") = "8"
    & skf18("9","3","1","7","1","7","1") = "8"
    & skf18("9","3","1","7","1","8","1") = "8"
    & skf18("9","3","1","7","1","9","1") = "8"
    & skf18("9","3","1","7","1","10","1") = "9"
    & skf18("9","3","1","7","2","1","1") = "8"
    & skf18("9","3","1","7","2","2","1") = "8"
    & skf18("9","3","1","7","2","3","1") = "8"
    & skf18("9","3","1","7","2","4","1") = "8"
    & skf18("9","3","1","7","2","5","1") = "8"
    & skf18("9","3","1","7","2","6","1") = "8"
    & skf18("9","3","1","7","2","7","1") = "8"
    & skf18("9","3","1","7","2","8","1") = "8"
    & skf18("9","3","1","7","2","9","1") = "8"
    & skf18("9","3","1","7","2","10","1") = "9"
    & skf18("9","3","1","7","3","1","1") = "8"
    & skf18("9","3","1","7","3","2","1") = "8"
    & skf18("9","3","1","7","3","3","1") = "8"
    & skf18("9","3","1","7","3","4","1") = "8"
    & skf18("9","3","1","7","3","5","1") = "8"
    & skf18("9","3","1","7","3","6","1") = "8"
    & skf18("9","3","1","7","3","7","1") = "8"
    & skf18("9","3","1","7","3","8","1") = "8"
    & skf18("9","3","1","7","3","9","1") = "8"
    & skf18("9","3","1","7","3","10","1") = "9"
    & skf18("9","3","1","7","4","1","1") = "8"
    & skf18("9","3","1","7","4","2","1") = "8"
    & skf18("9","3","1","7","4","3","1") = "8"
    & skf18("9","3","1","7","4","4","1") = "8"
    & skf18("9","3","1","7","4","5","1") = "8"
    & skf18("9","3","1","7","4","6","1") = "8"
    & skf18("9","3","1","7","4","7","1") = "8"
    & skf18("9","3","1","7","4","8","1") = "8"
    & skf18("9","3","1","7","4","9","1") = "8"
    & skf18("9","3","1","7","4","10","1") = "9"
    & skf18("9","3","1","7","5","1","1") = "8"
    & skf18("9","3","1","7","5","2","1") = "8"
    & skf18("9","3","1","7","5","3","1") = "8"
    & skf18("9","3","1","7","5","4","1") = "8"
    & skf18("9","3","1","7","5","5","1") = "8"
    & skf18("9","3","1","7","5","6","1") = "8"
    & skf18("9","3","1","7","5","7","1") = "8"
    & skf18("9","3","1","7","5","8","1") = "8"
    & skf18("9","3","1","7","5","9","1") = "8"
    & skf18("9","3","1","7","5","10","1") = "9"
    & skf18("9","3","1","7","6","1","1") = "8"
    & skf18("9","3","1","7","6","2","1") = "8"
    & skf18("9","3","1","7","6","3","1") = "8"
    & skf18("9","3","1","7","6","4","1") = "8"
    & skf18("9","3","1","7","6","5","1") = "8"
    & skf18("9","3","1","7","6","6","1") = "8"
    & skf18("9","3","1","7","6","7","1") = "8"
    & skf18("9","3","1","7","6","8","1") = "8"
    & skf18("9","3","1","7","6","9","1") = "8"
    & skf18("9","3","1","7","6","10","1") = "9"
    & skf18("9","3","1","7","7","1","1") = "8"
    & skf18("9","3","1","7","7","2","1") = "8"
    & skf18("9","3","1","7","7","3","1") = "8"
    & skf18("9","3","1","7","7","4","1") = "8"
    & skf18("9","3","1","7","7","5","1") = "8"
    & skf18("9","3","1","7","7","6","1") = "8"
    & skf18("9","3","1","7","7","7","1") = "8"
    & skf18("9","3","1","7","7","8","1") = "8"
    & skf18("9","3","1","7","7","9","1") = "8"
    & skf18("9","3","1","7","7","10","1") = "9"
    & skf18("9","3","1","7","8","1","1") = "8"
    & skf18("9","3","1","7","8","2","1") = "8"
    & skf18("9","3","1","7","8","3","1") = "8"
    & skf18("9","3","1","7","8","4","1") = "8"
    & skf18("9","3","1","7","8","5","1") = "8"
    & skf18("9","3","1","7","8","6","1") = "8"
    & skf18("9","3","1","7","8","7","1") = "8"
    & skf18("9","3","1","7","8","8","1") = "8"
    & skf18("9","3","1","7","8","9","1") = "8"
    & skf18("9","3","1","7","8","10","1") = "9"
    & skf18("9","3","1","7","9","1","1") = "8"
    & skf18("9","3","1","7","9","2","1") = "8"
    & skf18("9","3","1","7","9","3","1") = "8"
    & skf18("9","3","1","7","9","4","1") = "8"
    & skf18("9","3","1","7","9","5","1") = "8"
    & skf18("9","3","1","7","9","6","1") = "8"
    & skf18("9","3","1","7","9","7","1") = "8"
    & skf18("9","3","1","7","9","8","1") = "8"
    & skf18("9","3","1","7","9","9","1") = "8"
    & skf18("9","3","1","7","9","10","1") = "9"
    & skf18("9","3","1","7","10","1","1") = "9"
    & skf18("9","3","1","7","10","2","1") = "9"
    & skf18("9","3","1","7","10","3","1") = "9"
    & skf18("9","3","1","7","10","4","1") = "9"
    & skf18("9","3","1","7","10","5","1") = "9"
    & skf18("9","3","1","7","10","6","1") = "9"
    & skf18("9","3","1","7","10","7","1") = "9"
    & skf18("9","3","1","7","10","8","1") = "9"
    & skf18("9","3","1","7","10","9","1") = "9"
    & skf18("9","3","1","7","10","10","1") = "9"
    & skf18("9","3","1","8","1","1","1") = "8"
    & skf18("9","3","1","8","1","2","1") = "8"
    & skf18("9","3","1","8","1","3","1") = "8"
    & skf18("9","3","1","8","1","4","1") = "8"
    & skf18("9","3","1","8","1","5","1") = "8"
    & skf18("9","3","1","8","1","6","1") = "8"
    & skf18("9","3","1","8","1","7","1") = "8"
    & skf18("9","3","1","8","1","8","1") = "8"
    & skf18("9","3","1","8","1","9","1") = "8"
    & skf18("9","3","1","8","1","10","1") = "9"
    & skf18("9","3","1","8","2","1","1") = "8"
    & skf18("9","3","1","8","2","2","1") = "8"
    & skf18("9","3","1","8","2","3","1") = "8"
    & skf18("9","3","1","8","2","4","1") = "8"
    & skf18("9","3","1","8","2","5","1") = "8"
    & skf18("9","3","1","8","2","6","1") = "8"
    & skf18("9","3","1","8","2","7","1") = "8"
    & skf18("9","3","1","8","2","8","1") = "8"
    & skf18("9","3","1","8","2","9","1") = "8"
    & skf18("9","3","1","8","2","10","1") = "9"
    & skf18("9","3","1","8","3","1","1") = "8"
    & skf18("9","3","1","8","3","2","1") = "8"
    & skf18("9","3","1","8","3","3","1") = "8"
    & skf18("9","3","1","8","3","4","1") = "8"
    & skf18("9","3","1","8","3","5","1") = "8"
    & skf18("9","3","1","8","3","6","1") = "8"
    & skf18("9","3","1","8","3","7","1") = "8"
    & skf18("9","3","1","8","3","8","1") = "8"
    & skf18("9","3","1","8","3","9","1") = "8"
    & skf18("9","3","1","8","3","10","1") = "9"
    & skf18("9","3","1","8","4","1","1") = "8"
    & skf18("9","3","1","8","4","2","1") = "8"
    & skf18("9","3","1","8","4","3","1") = "8"
    & skf18("9","3","1","8","4","4","1") = "8"
    & skf18("9","3","1","8","4","5","1") = "8"
    & skf18("9","3","1","8","4","6","1") = "8"
    & skf18("9","3","1","8","4","7","1") = "8"
    & skf18("9","3","1","8","4","8","1") = "8"
    & skf18("9","3","1","8","4","9","1") = "8"
    & skf18("9","3","1","8","4","10","1") = "9"
    & skf18("9","3","1","8","5","1","1") = "8"
    & skf18("9","3","1","8","5","2","1") = "8"
    & skf18("9","3","1","8","5","3","1") = "8"
    & skf18("9","3","1","8","5","4","1") = "8"
    & skf18("9","3","1","8","5","5","1") = "8"
    & skf18("9","3","1","8","5","6","1") = "8"
    & skf18("9","3","1","8","5","7","1") = "8"
    & skf18("9","3","1","8","5","8","1") = "8"
    & skf18("9","3","1","8","5","9","1") = "8"
    & skf18("9","3","1","8","5","10","1") = "9"
    & skf18("9","3","1","8","6","1","1") = "8"
    & skf18("9","3","1","8","6","2","1") = "8"
    & skf18("9","3","1","8","6","3","1") = "8"
    & skf18("9","3","1","8","6","4","1") = "8"
    & skf18("9","3","1","8","6","5","1") = "8"
    & skf18("9","3","1","8","6","6","1") = "8"
    & skf18("9","3","1","8","6","7","1") = "8"
    & skf18("9","3","1","8","6","8","1") = "8"
    & skf18("9","3","1","8","6","9","1") = "8"
    & skf18("9","3","1","8","6","10","1") = "9"
    & skf18("9","3","1","8","7","1","1") = "8"
    & skf18("9","3","1","8","7","2","1") = "8"
    & skf18("9","3","1","8","7","3","1") = "8"
    & skf18("9","3","1","8","7","4","1") = "8"
    & skf18("9","3","1","8","7","5","1") = "8"
    & skf18("9","3","1","8","7","6","1") = "8"
    & skf18("9","3","1","8","7","7","1") = "8"
    & skf18("9","3","1","8","7","8","1") = "8"
    & skf18("9","3","1","8","7","9","1") = "8"
    & skf18("9","3","1","8","7","10","1") = "9"
    & skf18("9","3","1","8","8","1","1") = "8"
    & skf18("9","3","1","8","8","2","1") = "8"
    & skf18("9","3","1","8","8","3","1") = "8"
    & skf18("9","3","1","8","8","4","1") = "8"
    & skf18("9","3","1","8","8","5","1") = "8"
    & skf18("9","3","1","8","8","6","1") = "8"
    & skf18("9","3","1","8","8","7","1") = "8"
    & skf18("9","3","1","8","8","8","1") = "8"
    & skf18("9","3","1","8","8","9","1") = "8"
    & skf18("9","3","1","8","8","10","1") = "9"
    & skf18("9","3","1","8","9","1","1") = "8"
    & skf18("9","3","1","8","9","2","1") = "8"
    & skf18("9","3","1","8","9","3","1") = "8"
    & skf18("9","3","1","8","9","4","1") = "8"
    & skf18("9","3","1","8","9","5","1") = "8"
    & skf18("9","3","1","8","9","6","1") = "8"
    & skf18("9","3","1","8","9","7","1") = "8"
    & skf18("9","3","1","8","9","8","1") = "8"
    & skf18("9","3","1","8","9","9","1") = "8"
    & skf18("9","3","1","8","9","10","1") = "9"
    & skf18("9","3","1","8","10","1","1") = "9"
    & skf18("9","3","1","8","10","2","1") = "9"
    & skf18("9","3","1","8","10","3","1") = "9"
    & skf18("9","3","1","8","10","4","1") = "9"
    & skf18("9","3","1","8","10","5","1") = "9"
    & skf18("9","3","1","8","10","6","1") = "9"
    & skf18("9","3","1","8","10","7","1") = "9"
    & skf18("9","3","1","8","10","8","1") = "9"
    & skf18("9","3","1","8","10","9","1") = "9"
    & skf18("9","3","1","8","10","10","1") = "9"
    & skf18("9","3","1","9","1","1","1") = "8"
    & skf18("9","3","1","9","1","2","1") = "8"
    & skf18("9","3","1","9","1","3","1") = "8"
    & skf18("9","3","1","9","1","4","1") = "8"
    & skf18("9","3","1","9","1","5","1") = "8"
    & skf18("9","3","1","9","1","6","1") = "8"
    & skf18("9","3","1","9","1","7","1") = "8"
    & skf18("9","3","1","9","1","8","1") = "8"
    & skf18("9","3","1","9","1","9","1") = "8"
    & skf18("9","3","1","9","1","10","1") = "9"
    & skf18("9","3","1","9","2","1","1") = "8"
    & skf18("9","3","1","9","2","2","1") = "8"
    & skf18("9","3","1","9","2","3","1") = "8"
    & skf18("9","3","1","9","2","4","1") = "8"
    & skf18("9","3","1","9","2","5","1") = "8"
    & skf18("9","3","1","9","2","6","1") = "8"
    & skf18("9","3","1","9","2","7","1") = "8"
    & skf18("9","3","1","9","2","8","1") = "8"
    & skf18("9","3","1","9","2","9","1") = "8"
    & skf18("9","3","1","9","2","10","1") = "9"
    & skf18("9","3","1","9","3","1","1") = "8"
    & skf18("9","3","1","9","3","2","1") = "8"
    & skf18("9","3","1","9","3","3","1") = "8"
    & skf18("9","3","1","9","3","4","1") = "8"
    & skf18("9","3","1","9","3","5","1") = "8"
    & skf18("9","3","1","9","3","6","1") = "8"
    & skf18("9","3","1","9","3","7","1") = "8"
    & skf18("9","3","1","9","3","8","1") = "8"
    & skf18("9","3","1","9","3","9","1") = "8"
    & skf18("9","3","1","9","3","10","1") = "9"
    & skf18("9","3","1","9","4","1","1") = "8"
    & skf18("9","3","1","9","4","2","1") = "8"
    & skf18("9","3","1","9","4","3","1") = "8"
    & skf18("9","3","1","9","4","4","1") = "8"
    & skf18("9","3","1","9","4","5","1") = "8"
    & skf18("9","3","1","9","4","6","1") = "8"
    & skf18("9","3","1","9","4","7","1") = "8"
    & skf18("9","3","1","9","4","8","1") = "8"
    & skf18("9","3","1","9","4","9","1") = "8"
    & skf18("9","3","1","9","4","10","1") = "9"
    & skf18("9","3","1","9","5","1","1") = "8"
    & skf18("9","3","1","9","5","2","1") = "8"
    & skf18("9","3","1","9","5","3","1") = "8"
    & skf18("9","3","1","9","5","4","1") = "8"
    & skf18("9","3","1","9","5","5","1") = "8"
    & skf18("9","3","1","9","5","6","1") = "8"
    & skf18("9","3","1","9","5","7","1") = "8"
    & skf18("9","3","1","9","5","8","1") = "8"
    & skf18("9","3","1","9","5","9","1") = "8"
    & skf18("9","3","1","9","5","10","1") = "9"
    & skf18("9","3","1","9","6","1","1") = "8"
    & skf18("9","3","1","9","6","2","1") = "8"
    & skf18("9","3","1","9","6","3","1") = "8"
    & skf18("9","3","1","9","6","4","1") = "8"
    & skf18("9","3","1","9","6","5","1") = "8"
    & skf18("9","3","1","9","6","6","1") = "8"
    & skf18("9","3","1","9","6","7","1") = "8"
    & skf18("9","3","1","9","6","8","1") = "8"
    & skf18("9","3","1","9","6","9","1") = "8"
    & skf18("9","3","1","9","6","10","1") = "9"
    & skf18("9","3","1","9","7","1","1") = "8"
    & skf18("9","3","1","9","7","2","1") = "8"
    & skf18("9","3","1","9","7","3","1") = "8"
    & skf18("9","3","1","9","7","4","1") = "8"
    & skf18("9","3","1","9","7","5","1") = "8"
    & skf18("9","3","1","9","7","6","1") = "8"
    & skf18("9","3","1","9","7","7","1") = "8"
    & skf18("9","3","1","9","7","8","1") = "8"
    & skf18("9","3","1","9","7","9","1") = "8"
    & skf18("9","3","1","9","7","10","1") = "9"
    & skf18("9","3","1","9","8","1","1") = "8"
    & skf18("9","3","1","9","8","2","1") = "8"
    & skf18("9","3","1","9","8","3","1") = "8"
    & skf18("9","3","1","9","8","4","1") = "8"
    & skf18("9","3","1","9","8","5","1") = "8"
    & skf18("9","3","1","9","8","6","1") = "8"
    & skf18("9","3","1","9","8","7","1") = "8"
    & skf18("9","3","1","9","8","8","1") = "8"
    & skf18("9","3","1","9","8","9","1") = "8"
    & skf18("9","3","1","9","8","10","1") = "9"
    & skf18("9","3","1","9","9","1","1") = "8"
    & skf18("9","3","1","9","9","2","1") = "8"
    & skf18("9","3","1","9","9","3","1") = "8"
    & skf18("9","3","1","9","9","4","1") = "8"
    & skf18("9","3","1","9","9","5","1") = "8"
    & skf18("9","3","1","9","9","6","1") = "8"
    & skf18("9","3","1","9","9","7","1") = "8"
    & skf18("9","3","1","9","9","8","1") = "8"
    & skf18("9","3","1","9","9","9","1") = "8"
    & skf18("9","3","1","9","9","10","1") = "9"
    & skf18("9","3","1","9","10","1","1") = "9"
    & skf18("9","3","1","9","10","2","1") = "9"
    & skf18("9","3","1","9","10","3","1") = "9"
    & skf18("9","3","1","9","10","4","1") = "9"
    & skf18("9","3","1","9","10","5","1") = "9"
    & skf18("9","3","1","9","10","6","1") = "9"
    & skf18("9","3","1","9","10","7","1") = "9"
    & skf18("9","3","1","9","10","8","1") = "9"
    & skf18("9","3","1","9","10","9","1") = "9"
    & skf18("9","3","1","9","10","10","1") = "9"
    & skf18("9","3","1","10","1","1","1") = "9"
    & skf18("9","3","1","10","1","2","1") = "9"
    & skf18("9","3","1","10","1","3","1") = "9"
    & skf18("9","3","1","10","1","4","1") = "9"
    & skf18("9","3","1","10","1","5","1") = "9"
    & skf18("9","3","1","10","1","6","1") = "9"
    & skf18("9","3","1","10","1","7","1") = "9"
    & skf18("9","3","1","10","1","8","1") = "9"
    & skf18("9","3","1","10","1","9","1") = "9"
    & skf18("9","3","1","10","1","10","1") = "9"
    & skf18("9","3","1","10","2","1","1") = "9"
    & skf18("9","3","1","10","2","2","1") = "9"
    & skf18("9","3","1","10","2","3","1") = "9"
    & skf18("9","3","1","10","2","4","1") = "9"
    & skf18("9","3","1","10","2","5","1") = "9"
    & skf18("9","3","1","10","2","6","1") = "9"
    & skf18("9","3","1","10","2","7","1") = "9"
    & skf18("9","3","1","10","2","8","1") = "9"
    & skf18("9","3","1","10","2","9","1") = "9"
    & skf18("9","3","1","10","2","10","1") = "9"
    & skf18("9","3","1","10","3","1","1") = "9"
    & skf18("9","3","1","10","3","2","1") = "9"
    & skf18("9","3","1","10","3","3","1") = "9"
    & skf18("9","3","1","10","3","4","1") = "9"
    & skf18("9","3","1","10","3","5","1") = "9"
    & skf18("9","3","1","10","3","6","1") = "9"
    & skf18("9","3","1","10","3","7","1") = "9"
    & skf18("9","3","1","10","3","8","1") = "9"
    & skf18("9","3","1","10","3","9","1") = "9"
    & skf18("9","3","1","10","3","10","1") = "9"
    & skf18("9","3","1","10","4","1","1") = "9"
    & skf18("9","3","1","10","4","2","1") = "9"
    & skf18("9","3","1","10","4","3","1") = "9"
    & skf18("9","3","1","10","4","4","1") = "9"
    & skf18("9","3","1","10","4","5","1") = "9"
    & skf18("9","3","1","10","4","6","1") = "9"
    & skf18("9","3","1","10","4","7","1") = "9"
    & skf18("9","3","1","10","4","8","1") = "9"
    & skf18("9","3","1","10","4","9","1") = "9"
    & skf18("9","3","1","10","4","10","1") = "9"
    & skf18("9","3","1","10","5","1","1") = "9"
    & skf18("9","3","1","10","5","2","1") = "9"
    & skf18("9","3","1","10","5","3","1") = "9"
    & skf18("9","3","1","10","5","4","1") = "9"
    & skf18("9","3","1","10","5","5","1") = "9"
    & skf18("9","3","1","10","5","6","1") = "9"
    & skf18("9","3","1","10","5","7","1") = "9"
    & skf18("9","3","1","10","5","8","1") = "9"
    & skf18("9","3","1","10","5","9","1") = "9"
    & skf18("9","3","1","10","5","10","1") = "9"
    & skf18("9","3","1","10","6","1","1") = "9"
    & skf18("9","3","1","10","6","2","1") = "9"
    & skf18("9","3","1","10","6","3","1") = "9"
    & skf18("9","3","1","10","6","4","1") = "9"
    & skf18("9","3","1","10","6","5","1") = "9"
    & skf18("9","3","1","10","6","6","1") = "9"
    & skf18("9","3","1","10","6","7","1") = "9"
    & skf18("9","3","1","10","6","8","1") = "9"
    & skf18("9","3","1","10","6","9","1") = "9"
    & skf18("9","3","1","10","6","10","1") = "9"
    & skf18("9","3","1","10","7","1","1") = "9"
    & skf18("9","3","1","10","7","2","1") = "9"
    & skf18("9","3","1","10","7","3","1") = "9"
    & skf18("9","3","1","10","7","4","1") = "9"
    & skf18("9","3","1","10","7","5","1") = "9"
    & skf18("9","3","1","10","7","6","1") = "9"
    & skf18("9","3","1","10","7","7","1") = "9"
    & skf18("9","3","1","10","7","8","1") = "9"
    & skf18("9","3","1","10","7","9","1") = "9"
    & skf18("9","3","1","10","7","10","1") = "9"
    & skf18("9","3","1","10","8","1","1") = "9"
    & skf18("9","3","1","10","8","2","1") = "9"
    & skf18("9","3","1","10","8","3","1") = "9"
    & skf18("9","3","1","10","8","4","1") = "9"
    & skf18("9","3","1","10","8","5","1") = "9"
    & skf18("9","3","1","10","8","6","1") = "9"
    & skf18("9","3","1","10","8","7","1") = "9"
    & skf18("9","3","1","10","8","8","1") = "9"
    & skf18("9","3","1","10","8","9","1") = "9"
    & skf18("9","3","1","10","8","10","1") = "9"
    & skf18("9","3","1","10","9","1","1") = "9"
    & skf18("9","3","1","10","9","2","1") = "9"
    & skf18("9","3","1","10","9","3","1") = "9"
    & skf18("9","3","1","10","9","4","1") = "9"
    & skf18("9","3","1","10","9","5","1") = "9"
    & skf18("9","3","1","10","9","6","1") = "9"
    & skf18("9","3","1","10","9","7","1") = "9"
    & skf18("9","3","1","10","9","8","1") = "9"
    & skf18("9","3","1","10","9","9","1") = "9"
    & skf18("9","3","1","10","9","10","1") = "9"
    & skf18("9","3","1","10","10","1","1") = "9"
    & skf18("9","3","1","10","10","2","1") = "9"
    & skf18("9","3","1","10","10","3","1") = "9"
    & skf18("9","3","1","10","10","4","1") = "9"
    & skf18("9","3","1","10","10","5","1") = "9"
    & skf18("9","3","1","10","10","6","1") = "9"
    & skf18("9","3","1","10","10","7","1") = "9"
    & skf18("9","3","1","10","10","8","1") = "9"
    & skf18("9","3","1","10","10","9","1") = "9"
    & skf18("9","3","1","10","10","10","1") = "9"
    & skf18("9","3","2","1","1","1","1") = "8"
    & skf18("9","3","2","1","1","2","1") = "8"
    & skf18("9","3","2","1","1","3","1") = "8"
    & skf18("9","3","2","1","1","4","1") = "8"
    & skf18("9","3","2","1","1","5","1") = "8"
    & skf18("9","3","2","1","1","6","1") = "8"
    & skf18("9","3","2","1","1","7","1") = "8"
    & skf18("9","3","2","1","1","8","1") = "8"
    & skf18("9","3","2","1","1","9","1") = "8"
    & skf18("9","3","2","1","1","10","1") = "9"
    & skf18("9","3","2","1","2","1","1") = "8"
    & skf18("9","3","2","1","2","2","1") = "8"
    & skf18("9","3","2","1","2","3","1") = "8"
    & skf18("9","3","2","1","2","4","1") = "8"
    & skf18("9","3","2","1","2","5","1") = "8"
    & skf18("9","3","2","1","2","6","1") = "8"
    & skf18("9","3","2","1","2","7","1") = "8"
    & skf18("9","3","2","1","2","8","1") = "8"
    & skf18("9","3","2","1","2","9","1") = "8"
    & skf18("9","3","2","1","2","10","1") = "9"
    & skf18("9","3","2","1","3","1","1") = "8"
    & skf18("9","3","2","1","3","2","1") = "8"
    & skf18("9","3","2","1","3","3","1") = "8"
    & skf18("9","3","2","1","3","4","1") = "8"
    & skf18("9","3","2","1","3","5","1") = "8"
    & skf18("9","3","2","1","3","6","1") = "8"
    & skf18("9","3","2","1","3","7","1") = "8"
    & skf18("9","3","2","1","3","8","1") = "8"
    & skf18("9","3","2","1","3","9","1") = "8"
    & skf18("9","3","2","1","3","10","1") = "9"
    & skf18("9","3","2","1","4","1","1") = "8"
    & skf18("9","3","2","1","4","2","1") = "8"
    & skf18("9","3","2","1","4","3","1") = "8"
    & skf18("9","3","2","1","4","4","1") = "8"
    & skf18("9","3","2","1","4","5","1") = "8"
    & skf18("9","3","2","1","4","6","1") = "8"
    & skf18("9","3","2","1","4","7","1") = "8"
    & skf18("9","3","2","1","4","8","1") = "8"
    & skf18("9","3","2","1","4","9","1") = "8"
    & skf18("9","3","2","1","4","10","1") = "9"
    & skf18("9","3","2","1","5","1","1") = "8"
    & skf18("9","3","2","1","5","2","1") = "8"
    & skf18("9","3","2","1","5","3","1") = "8"
    & skf18("9","3","2","1","5","4","1") = "8"
    & skf18("9","3","2","1","5","5","1") = "8"
    & skf18("9","3","2","1","5","6","1") = "8"
    & skf18("9","3","2","1","5","7","1") = "8"
    & skf18("9","3","2","1","5","8","1") = "8"
    & skf18("9","3","2","1","5","9","1") = "8"
    & skf18("9","3","2","1","5","10","1") = "9"
    & skf18("9","3","2","1","6","1","1") = "8"
    & skf18("9","3","2","1","6","2","1") = "8"
    & skf18("9","3","2","1","6","3","1") = "8"
    & skf18("9","3","2","1","6","4","1") = "8"
    & skf18("9","3","2","1","6","5","1") = "8"
    & skf18("9","3","2","1","6","6","1") = "8"
    & skf18("9","3","2","1","6","7","1") = "8"
    & skf18("9","3","2","1","6","8","1") = "8"
    & skf18("9","3","2","1","6","9","1") = "8"
    & skf18("9","3","2","1","6","10","1") = "9"
    & skf18("9","3","2","1","7","1","1") = "8"
    & skf18("9","3","2","1","7","2","1") = "8"
    & skf18("9","3","2","1","7","3","1") = "8"
    & skf18("9","3","2","1","7","4","1") = "8"
    & skf18("9","3","2","1","7","5","1") = "8"
    & skf18("9","3","2","1","7","6","1") = "8"
    & skf18("9","3","2","1","7","7","1") = "8"
    & skf18("9","3","2","1","7","8","1") = "8"
    & skf18("9","3","2","1","7","9","1") = "8"
    & skf18("9","3","2","1","7","10","1") = "9"
    & skf18("9","3","2","1","8","1","1") = "8"
    & skf18("9","3","2","1","8","2","1") = "8"
    & skf18("9","3","2","1","8","3","1") = "8"
    & skf18("9","3","2","1","8","4","1") = "8"
    & skf18("9","3","2","1","8","5","1") = "8"
    & skf18("9","3","2","1","8","6","1") = "8"
    & skf18("9","3","2","1","8","7","1") = "8"
    & skf18("9","3","2","1","8","8","1") = "8"
    & skf18("9","3","2","1","8","9","1") = "8"
    & skf18("9","3","2","1","8","10","1") = "9"
    & skf18("9","3","2","1","9","1","1") = "8"
    & skf18("9","3","2","1","9","2","1") = "8"
    & skf18("9","3","2","1","9","3","1") = "8"
    & skf18("9","3","2","1","9","4","1") = "8"
    & skf18("9","3","2","1","9","5","1") = "8"
    & skf18("9","3","2","1","9","6","1") = "8"
    & skf18("9","3","2","1","9","7","1") = "8"
    & skf18("9","3","2","1","9","8","1") = "8"
    & skf18("9","3","2","1","9","9","1") = "8"
    & skf18("9","3","2","1","9","10","1") = "9"
    & skf18("9","3","2","1","10","1","1") = "9"
    & skf18("9","3","2","1","10","2","1") = "9"
    & skf18("9","3","2","1","10","3","1") = "9"
    & skf18("9","3","2","1","10","4","1") = "9"
    & skf18("9","3","2","1","10","5","1") = "9"
    & skf18("9","3","2","1","10","6","1") = "9"
    & skf18("9","3","2","1","10","7","1") = "9"
    & skf18("9","3","2","1","10","8","1") = "9"
    & skf18("9","3","2","1","10","9","1") = "9"
    & skf18("9","3","2","1","10","10","1") = "9"
    & skf18("9","3","2","2","1","1","1") = "8"
    & skf18("9","3","2","2","1","2","1") = "8"
    & skf18("9","3","2","2","1","3","1") = "8"
    & skf18("9","3","2","2","1","4","1") = "8"
    & skf18("9","3","2","2","1","5","1") = "8"
    & skf18("9","3","2","2","1","6","1") = "8"
    & skf18("9","3","2","2","1","7","1") = "8"
    & skf18("9","3","2","2","1","8","1") = "8"
    & skf18("9","3","2","2","1","9","1") = "8"
    & skf18("9","3","2","2","1","10","1") = "9"
    & skf18("9","3","2","2","2","1","1") = "8"
    & skf18("9","3","2","2","2","2","1") = "8"
    & skf18("9","3","2","2","2","3","1") = "8"
    & skf18("9","3","2","2","2","4","1") = "8"
    & skf18("9","3","2","2","2","5","1") = "8"
    & skf18("9","3","2","2","2","6","1") = "8"
    & skf18("9","3","2","2","2","7","1") = "8"
    & skf18("9","3","2","2","2","8","1") = "8"
    & skf18("9","3","2","2","2","9","1") = "8"
    & skf18("9","3","2","2","2","10","1") = "9"
    & skf18("9","3","2","2","3","1","1") = "8"
    & skf18("9","3","2","2","3","2","1") = "8"
    & skf18("9","3","2","2","3","3","1") = "8"
    & skf18("9","3","2","2","3","4","1") = "8"
    & skf18("9","3","2","2","3","5","1") = "8"
    & skf18("9","3","2","2","3","6","1") = "8"
    & skf18("9","3","2","2","3","7","1") = "8"
    & skf18("9","3","2","2","3","8","1") = "8"
    & skf18("9","3","2","2","3","9","1") = "8"
    & skf18("9","3","2","2","3","10","1") = "9"
    & skf18("9","3","2","2","4","1","1") = "8"
    & skf18("9","3","2","2","4","2","1") = "8"
    & skf18("9","3","2","2","4","3","1") = "8"
    & skf18("9","3","2","2","4","4","1") = "8"
    & skf18("9","3","2","2","4","5","1") = "8"
    & skf18("9","3","2","2","4","6","1") = "8"
    & skf18("9","3","2","2","4","7","1") = "8"
    & skf18("9","3","2","2","4","8","1") = "8"
    & skf18("9","3","2","2","4","9","1") = "8"
    & skf18("9","3","2","2","4","10","1") = "9"
    & skf18("9","3","2","2","5","1","1") = "8"
    & skf18("9","3","2","2","5","2","1") = "8"
    & skf18("9","3","2","2","5","3","1") = "8"
    & skf18("9","3","2","2","5","4","1") = "8"
    & skf18("9","3","2","2","5","5","1") = "8"
    & skf18("9","3","2","2","5","6","1") = "8"
    & skf18("9","3","2","2","5","7","1") = "8"
    & skf18("9","3","2","2","5","8","1") = "8"
    & skf18("9","3","2","2","5","9","1") = "8"
    & skf18("9","3","2","2","5","10","1") = "9"
    & skf18("9","3","2","2","6","1","1") = "8"
    & skf18("9","3","2","2","6","2","1") = "8"
    & skf18("9","3","2","2","6","3","1") = "8"
    & skf18("9","3","2","2","6","4","1") = "8"
    & skf18("9","3","2","2","6","5","1") = "8"
    & skf18("9","3","2","2","6","6","1") = "8"
    & skf18("9","3","2","2","6","7","1") = "8"
    & skf18("9","3","2","2","6","8","1") = "8"
    & skf18("9","3","2","2","6","9","1") = "8"
    & skf18("9","3","2","2","6","10","1") = "9"
    & skf18("9","3","2","2","7","1","1") = "8"
    & skf18("9","3","2","2","7","2","1") = "8"
    & skf18("9","3","2","2","7","3","1") = "8"
    & skf18("9","3","2","2","7","4","1") = "8"
    & skf18("9","3","2","2","7","5","1") = "8"
    & skf18("9","3","2","2","7","6","1") = "8"
    & skf18("9","3","2","2","7","7","1") = "8"
    & skf18("9","3","2","2","7","8","1") = "8"
    & skf18("9","3","2","2","7","9","1") = "8"
    & skf18("9","3","2","2","7","10","1") = "9"
    & skf18("9","3","2","2","8","1","1") = "8"
    & skf18("9","3","2","2","8","2","1") = "8"
    & skf18("9","3","2","2","8","3","1") = "8"
    & skf18("9","3","2","2","8","4","1") = "8"
    & skf18("9","3","2","2","8","5","1") = "8"
    & skf18("9","3","2","2","8","6","1") = "8"
    & skf18("9","3","2","2","8","7","1") = "8"
    & skf18("9","3","2","2","8","8","1") = "8"
    & skf18("9","3","2","2","8","9","1") = "8"
    & skf18("9","3","2","2","8","10","1") = "9"
    & skf18("9","3","2","2","9","1","1") = "8"
    & skf18("9","3","2","2","9","2","1") = "8"
    & skf18("9","3","2","2","9","3","1") = "8"
    & skf18("9","3","2","2","9","4","1") = "8"
    & skf18("9","3","2","2","9","5","1") = "8"
    & skf18("9","3","2","2","9","6","1") = "8"
    & skf18("9","3","2","2","9","7","1") = "8"
    & skf18("9","3","2","2","9","8","1") = "8"
    & skf18("9","3","2","2","9","9","1") = "8"
    & skf18("9","3","2","2","9","10","1") = "9"
    & skf18("9","3","2","2","10","1","1") = "9"
    & skf18("9","3","2","2","10","2","1") = "9"
    & skf18("9","3","2","2","10","3","1") = "9"
    & skf18("9","3","2","2","10","4","1") = "9"
    & skf18("9","3","2","2","10","5","1") = "9"
    & skf18("9","3","2","2","10","6","1") = "9"
    & skf18("9","3","2","2","10","7","1") = "9"
    & skf18("9","3","2","2","10","8","1") = "9"
    & skf18("9","3","2","2","10","9","1") = "9"
    & skf18("9","3","2","2","10","10","1") = "9"
    & skf18("9","3","2","3","1","1","1") = "8"
    & skf18("9","3","2","3","1","2","1") = "8"
    & skf18("9","3","2","3","1","3","1") = "8"
    & skf18("9","3","2","3","1","4","1") = "8"
    & skf18("9","3","2","3","1","5","1") = "8"
    & skf18("9","3","2","3","1","6","1") = "8"
    & skf18("9","3","2","3","1","7","1") = "8"
    & skf18("9","3","2","3","1","8","1") = "8"
    & skf18("9","3","2","3","1","9","1") = "8"
    & skf18("9","3","2","3","1","10","1") = "9"
    & skf18("9","3","2","3","2","1","1") = "8"
    & skf18("9","3","2","3","2","2","1") = "8"
    & skf18("9","3","2","3","2","3","1") = "8"
    & skf18("9","3","2","3","2","4","1") = "8"
    & skf18("9","3","2","3","2","5","1") = "8"
    & skf18("9","3","2","3","2","6","1") = "8"
    & skf18("9","3","2","3","2","7","1") = "8"
    & skf18("9","3","2","3","2","8","1") = "8"
    & skf18("9","3","2","3","2","9","1") = "8"
    & skf18("9","3","2","3","2","10","1") = "9"
    & skf18("9","3","2","3","3","1","1") = "8"
    & skf18("9","3","2","3","3","2","1") = "8"
    & skf18("9","3","2","3","3","3","1") = "8"
    & skf18("9","3","2","3","3","4","1") = "8"
    & skf18("9","3","2","3","3","5","1") = "8"
    & skf18("9","3","2","3","3","6","1") = "8"
    & skf18("9","3","2","3","3","7","1") = "8"
    & skf18("9","3","2","3","3","8","1") = "8"
    & skf18("9","3","2","3","3","9","1") = "8"
    & skf18("9","3","2","3","3","10","1") = "9"
    & skf18("9","3","2","3","4","1","1") = "8"
    & skf18("9","3","2","3","4","2","1") = "8"
    & skf18("9","3","2","3","4","3","1") = "8"
    & skf18("9","3","2","3","4","4","1") = "8"
    & skf18("9","3","2","3","4","5","1") = "8"
    & skf18("9","3","2","3","4","6","1") = "8"
    & skf18("9","3","2","3","4","7","1") = "8"
    & skf18("9","3","2","3","4","8","1") = "8"
    & skf18("9","3","2","3","4","9","1") = "8"
    & skf18("9","3","2","3","4","10","1") = "9"
    & skf18("9","3","2","3","5","1","1") = "8"
    & skf18("9","3","2","3","5","2","1") = "8"
    & skf18("9","3","2","3","5","3","1") = "8"
    & skf18("9","3","2","3","5","4","1") = "8"
    & skf18("9","3","2","3","5","5","1") = "8"
    & skf18("9","3","2","3","5","6","1") = "8"
    & skf18("9","3","2","3","5","7","1") = "8"
    & skf18("9","3","2","3","5","8","1") = "8"
    & skf18("9","3","2","3","5","9","1") = "8"
    & skf18("9","3","2","3","5","10","1") = "9"
    & skf18("9","3","2","3","6","1","1") = "8"
    & skf18("9","3","2","3","6","2","1") = "8"
    & skf18("9","3","2","3","6","3","1") = "8"
    & skf18("9","3","2","3","6","4","1") = "8"
    & skf18("9","3","2","3","6","5","1") = "8"
    & skf18("9","3","2","3","6","6","1") = "8"
    & skf18("9","3","2","3","6","7","1") = "8"
    & skf18("9","3","2","3","6","8","1") = "8"
    & skf18("9","3","2","3","6","9","1") = "8"
    & skf18("9","3","2","3","6","10","1") = "9"
    & skf18("9","3","2","3","7","1","1") = "8"
    & skf18("9","3","2","3","7","2","1") = "8"
    & skf18("9","3","2","3","7","3","1") = "8"
    & skf18("9","3","2","3","7","4","1") = "8"
    & skf18("9","3","2","3","7","5","1") = "8"
    & skf18("9","3","2","3","7","6","1") = "8"
    & skf18("9","3","2","3","7","7","1") = "8"
    & skf18("9","3","2","3","7","8","1") = "8"
    & skf18("9","3","2","3","7","9","1") = "8"
    & skf18("9","3","2","3","7","10","1") = "9"
    & skf18("9","3","2","3","8","1","1") = "8"
    & skf18("9","3","2","3","8","2","1") = "8"
    & skf18("9","3","2","3","8","3","1") = "8"
    & skf18("9","3","2","3","8","4","1") = "8"
    & skf18("9","3","2","3","8","5","1") = "8"
    & skf18("9","3","2","3","8","6","1") = "8"
    & skf18("9","3","2","3","8","7","1") = "8"
    & skf18("9","3","2","3","8","8","1") = "8"
    & skf18("9","3","2","3","8","9","1") = "8"
    & skf18("9","3","2","3","8","10","1") = "9"
    & skf18("9","3","2","3","9","1","1") = "8"
    & skf18("9","3","2","3","9","2","1") = "8"
    & skf18("9","3","2","3","9","3","1") = "8"
    & skf18("9","3","2","3","9","4","1") = "8"
    & skf18("9","3","2","3","9","5","1") = "8"
    & skf18("9","3","2","3","9","6","1") = "8"
    & skf18("9","3","2","3","9","7","1") = "8"
    & skf18("9","3","2","3","9","8","1") = "8"
    & skf18("9","3","2","3","9","9","1") = "8"
    & skf18("9","3","2","3","9","10","1") = "9"
    & skf18("9","3","2","3","10","1","1") = "9"
    & skf18("9","3","2","3","10","2","1") = "9"
    & skf18("9","3","2","3","10","3","1") = "9"
    & skf18("9","3","2","3","10","4","1") = "9"
    & skf18("9","3","2","3","10","5","1") = "9"
    & skf18("9","3","2","3","10","6","1") = "9"
    & skf18("9","3","2","3","10","7","1") = "9"
    & skf18("9","3","2","3","10","8","1") = "9"
    & skf18("9","3","2","3","10","9","1") = "9"
    & skf18("9","3","2","3","10","10","1") = "9"
    & skf18("9","3","2","4","1","1","1") = "8"
    & skf18("9","3","2","4","1","2","1") = "8"
    & skf18("9","3","2","4","1","3","1") = "8"
    & skf18("9","3","2","4","1","4","1") = "8"
    & skf18("9","3","2","4","1","5","1") = "8"
    & skf18("9","3","2","4","1","6","1") = "8"
    & skf18("9","3","2","4","1","7","1") = "8"
    & skf18("9","3","2","4","1","8","1") = "8"
    & skf18("9","3","2","4","1","9","1") = "8"
    & skf18("9","3","2","4","1","10","1") = "9"
    & skf18("9","3","2","4","2","1","1") = "8"
    & skf18("9","3","2","4","2","2","1") = "8"
    & skf18("9","3","2","4","2","3","1") = "8"
    & skf18("9","3","2","4","2","4","1") = "8"
    & skf18("9","3","2","4","2","5","1") = "8"
    & skf18("9","3","2","4","2","6","1") = "8"
    & skf18("9","3","2","4","2","7","1") = "8"
    & skf18("9","3","2","4","2","8","1") = "8"
    & skf18("9","3","2","4","2","9","1") = "8"
    & skf18("9","3","2","4","2","10","1") = "9"
    & skf18("9","3","2","4","3","1","1") = "8"
    & skf18("9","3","2","4","3","2","1") = "8"
    & skf18("9","3","2","4","3","3","1") = "8"
    & skf18("9","3","2","4","3","4","1") = "8"
    & skf18("9","3","2","4","3","5","1") = "8"
    & skf18("9","3","2","4","3","6","1") = "8"
    & skf18("9","3","2","4","3","7","1") = "8"
    & skf18("9","3","2","4","3","8","1") = "8"
    & skf18("9","3","2","4","3","9","1") = "8"
    & skf18("9","3","2","4","3","10","1") = "9"
    & skf18("9","3","2","4","4","1","1") = "8"
    & skf18("9","3","2","4","4","2","1") = "8"
    & skf18("9","3","2","4","4","3","1") = "8"
    & skf18("9","3","2","4","4","4","1") = "8"
    & skf18("9","3","2","4","4","5","1") = "8"
    & skf18("9","3","2","4","4","6","1") = "8"
    & skf18("9","3","2","4","4","7","1") = "8"
    & skf18("9","3","2","4","4","8","1") = "8"
    & skf18("9","3","2","4","4","9","1") = "8"
    & skf18("9","3","2","4","4","10","1") = "9"
    & skf18("9","3","2","4","5","1","1") = "8"
    & skf18("9","3","2","4","5","2","1") = "8"
    & skf18("9","3","2","4","5","3","1") = "8"
    & skf18("9","3","2","4","5","4","1") = "8"
    & skf18("9","3","2","4","5","5","1") = "8"
    & skf18("9","3","2","4","5","6","1") = "8"
    & skf18("9","3","2","4","5","7","1") = "8"
    & skf18("9","3","2","4","5","8","1") = "8"
    & skf18("9","3","2","4","5","9","1") = "8"
    & skf18("9","3","2","4","5","10","1") = "9"
    & skf18("9","3","2","4","6","1","1") = "8"
    & skf18("9","3","2","4","6","2","1") = "8"
    & skf18("9","3","2","4","6","3","1") = "8"
    & skf18("9","3","2","4","6","4","1") = "8"
    & skf18("9","3","2","4","6","5","1") = "8"
    & skf18("9","3","2","4","6","6","1") = "8"
    & skf18("9","3","2","4","6","7","1") = "8"
    & skf18("9","3","2","4","6","8","1") = "8"
    & skf18("9","3","2","4","6","9","1") = "8"
    & skf18("9","3","2","4","6","10","1") = "9"
    & skf18("9","3","2","4","7","1","1") = "8"
    & skf18("9","3","2","4","7","2","1") = "8"
    & skf18("9","3","2","4","7","3","1") = "8"
    & skf18("9","3","2","4","7","4","1") = "8"
    & skf18("9","3","2","4","7","5","1") = "8"
    & skf18("9","3","2","4","7","6","1") = "8"
    & skf18("9","3","2","4","7","7","1") = "8"
    & skf18("9","3","2","4","7","8","1") = "8"
    & skf18("9","3","2","4","7","9","1") = "8"
    & skf18("9","3","2","4","7","10","1") = "9"
    & skf18("9","3","2","4","8","1","1") = "8"
    & skf18("9","3","2","4","8","2","1") = "8"
    & skf18("9","3","2","4","8","3","1") = "8"
    & skf18("9","3","2","4","8","4","1") = "8"
    & skf18("9","3","2","4","8","5","1") = "8"
    & skf18("9","3","2","4","8","6","1") = "8"
    & skf18("9","3","2","4","8","7","1") = "8"
    & skf18("9","3","2","4","8","8","1") = "8"
    & skf18("9","3","2","4","8","9","1") = "8"
    & skf18("9","3","2","4","8","10","1") = "9"
    & skf18("9","3","2","4","9","1","1") = "8"
    & skf18("9","3","2","4","9","2","1") = "8"
    & skf18("9","3","2","4","9","3","1") = "8"
    & skf18("9","3","2","4","9","4","1") = "8"
    & skf18("9","3","2","4","9","5","1") = "8"
    & skf18("9","3","2","4","9","6","1") = "8"
    & skf18("9","3","2","4","9","7","1") = "8"
    & skf18("9","3","2","4","9","8","1") = "8"
    & skf18("9","3","2","4","9","9","1") = "8"
    & skf18("9","3","2","4","9","10","1") = "9"
    & skf18("9","3","2","4","10","1","1") = "9"
    & skf18("9","3","2","4","10","2","1") = "9"
    & skf18("9","3","2","4","10","3","1") = "9"
    & skf18("9","3","2","4","10","4","1") = "9"
    & skf18("9","3","2","4","10","5","1") = "9"
    & skf18("9","3","2","4","10","6","1") = "9"
    & skf18("9","3","2","4","10","7","1") = "9"
    & skf18("9","3","2","4","10","8","1") = "9"
    & skf18("9","3","2","4","10","9","1") = "9"
    & skf18("9","3","2","4","10","10","1") = "9"
    & skf18("9","3","2","5","1","1","1") = "8"
    & skf18("9","3","2","5","1","2","1") = "8"
    & skf18("9","3","2","5","1","3","1") = "8"
    & skf18("9","3","2","5","1","4","1") = "8"
    & skf18("9","3","2","5","1","5","1") = "8"
    & skf18("9","3","2","5","1","6","1") = "8"
    & skf18("9","3","2","5","1","7","1") = "8"
    & skf18("9","3","2","5","1","8","1") = "8"
    & skf18("9","3","2","5","1","9","1") = "8"
    & skf18("9","3","2","5","1","10","1") = "9"
    & skf18("9","3","2","5","2","1","1") = "8"
    & skf18("9","3","2","5","2","2","1") = "8"
    & skf18("9","3","2","5","2","3","1") = "8"
    & skf18("9","3","2","5","2","4","1") = "8"
    & skf18("9","3","2","5","2","5","1") = "8"
    & skf18("9","3","2","5","2","6","1") = "8"
    & skf18("9","3","2","5","2","7","1") = "8"
    & skf18("9","3","2","5","2","8","1") = "8"
    & skf18("9","3","2","5","2","9","1") = "8"
    & skf18("9","3","2","5","2","10","1") = "9"
    & skf18("9","3","2","5","3","1","1") = "8"
    & skf18("9","3","2","5","3","2","1") = "8"
    & skf18("9","3","2","5","3","3","1") = "8"
    & skf18("9","3","2","5","3","4","1") = "8"
    & skf18("9","3","2","5","3","5","1") = "8"
    & skf18("9","3","2","5","3","6","1") = "8"
    & skf18("9","3","2","5","3","7","1") = "8"
    & skf18("9","3","2","5","3","8","1") = "8"
    & skf18("9","3","2","5","3","9","1") = "8"
    & skf18("9","3","2","5","3","10","1") = "9"
    & skf18("9","3","2","5","4","1","1") = "8"
    & skf18("9","3","2","5","4","2","1") = "8"
    & skf18("9","3","2","5","4","3","1") = "8"
    & skf18("9","3","2","5","4","4","1") = "8"
    & skf18("9","3","2","5","4","5","1") = "8"
    & skf18("9","3","2","5","4","6","1") = "8"
    & skf18("9","3","2","5","4","7","1") = "8"
    & skf18("9","3","2","5","4","8","1") = "8"
    & skf18("9","3","2","5","4","9","1") = "8"
    & skf18("9","3","2","5","4","10","1") = "9"
    & skf18("9","3","2","5","5","1","1") = "8"
    & skf18("9","3","2","5","5","2","1") = "8"
    & skf18("9","3","2","5","5","3","1") = "8"
    & skf18("9","3","2","5","5","4","1") = "8"
    & skf18("9","3","2","5","5","5","1") = "8"
    & skf18("9","3","2","5","5","6","1") = "8"
    & skf18("9","3","2","5","5","7","1") = "8"
    & skf18("9","3","2","5","5","8","1") = "8"
    & skf18("9","3","2","5","5","9","1") = "8"
    & skf18("9","3","2","5","5","10","1") = "9"
    & skf18("9","3","2","5","6","1","1") = "8"
    & skf18("9","3","2","5","6","2","1") = "8"
    & skf18("9","3","2","5","6","3","1") = "8"
    & skf18("9","3","2","5","6","4","1") = "8"
    & skf18("9","3","2","5","6","5","1") = "8"
    & skf18("9","3","2","5","6","6","1") = "8"
    & skf18("9","3","2","5","6","7","1") = "8"
    & skf18("9","3","2","5","6","8","1") = "8"
    & skf18("9","3","2","5","6","9","1") = "8"
    & skf18("9","3","2","5","6","10","1") = "9"
    & skf18("9","3","2","5","7","1","1") = "8"
    & skf18("9","3","2","5","7","2","1") = "8"
    & skf18("9","3","2","5","7","3","1") = "8"
    & skf18("9","3","2","5","7","4","1") = "8"
    & skf18("9","3","2","5","7","5","1") = "8"
    & skf18("9","3","2","5","7","6","1") = "8"
    & skf18("9","3","2","5","7","7","1") = "8"
    & skf18("9","3","2","5","7","8","1") = "8"
    & skf18("9","3","2","5","7","9","1") = "8"
    & skf18("9","3","2","5","7","10","1") = "9"
    & skf18("9","3","2","5","8","1","1") = "8"
    & skf18("9","3","2","5","8","2","1") = "8"
    & skf18("9","3","2","5","8","3","1") = "8"
    & skf18("9","3","2","5","8","4","1") = "8"
    & skf18("9","3","2","5","8","5","1") = "8"
    & skf18("9","3","2","5","8","6","1") = "8"
    & skf18("9","3","2","5","8","7","1") = "8"
    & skf18("9","3","2","5","8","8","1") = "8"
    & skf18("9","3","2","5","8","9","1") = "8"
    & skf18("9","3","2","5","8","10","1") = "9"
    & skf18("9","3","2","5","9","1","1") = "8"
    & skf18("9","3","2","5","9","2","1") = "8"
    & skf18("9","3","2","5","9","3","1") = "8"
    & skf18("9","3","2","5","9","4","1") = "8"
    & skf18("9","3","2","5","9","5","1") = "8"
    & skf18("9","3","2","5","9","6","1") = "8"
    & skf18("9","3","2","5","9","7","1") = "8"
    & skf18("9","3","2","5","9","8","1") = "8"
    & skf18("9","3","2","5","9","9","1") = "8"
    & skf18("9","3","2","5","9","10","1") = "9"
    & skf18("9","3","2","5","10","1","1") = "9"
    & skf18("9","3","2","5","10","2","1") = "9"
    & skf18("9","3","2","5","10","3","1") = "9"
    & skf18("9","3","2","5","10","4","1") = "9"
    & skf18("9","3","2","5","10","5","1") = "9"
    & skf18("9","3","2","5","10","6","1") = "9"
    & skf18("9","3","2","5","10","7","1") = "9"
    & skf18("9","3","2","5","10","8","1") = "9"
    & skf18("9","3","2","5","10","9","1") = "9"
    & skf18("9","3","2","5","10","10","1") = "9"
    & skf18("9","3","2","6","1","1","1") = "8"
    & skf18("9","3","2","6","1","2","1") = "8"
    & skf18("9","3","2","6","1","3","1") = "8"
    & skf18("9","3","2","6","1","4","1") = "8"
    & skf18("9","3","2","6","1","5","1") = "8"
    & skf18("9","3","2","6","1","6","1") = "8"
    & skf18("9","3","2","6","1","7","1") = "8"
    & skf18("9","3","2","6","1","8","1") = "8"
    & skf18("9","3","2","6","1","9","1") = "8"
    & skf18("9","3","2","6","1","10","1") = "9"
    & skf18("9","3","2","6","2","1","1") = "8"
    & skf18("9","3","2","6","2","2","1") = "8"
    & skf18("9","3","2","6","2","3","1") = "8"
    & skf18("9","3","2","6","2","4","1") = "8"
    & skf18("9","3","2","6","2","5","1") = "8"
    & skf18("9","3","2","6","2","6","1") = "8"
    & skf18("9","3","2","6","2","7","1") = "8"
    & skf18("9","3","2","6","2","8","1") = "8"
    & skf18("9","3","2","6","2","9","1") = "8"
    & skf18("9","3","2","6","2","10","1") = "9"
    & skf18("9","3","2","6","3","1","1") = "8"
    & skf18("9","3","2","6","3","2","1") = "8"
    & skf18("9","3","2","6","3","3","1") = "8"
    & skf18("9","3","2","6","3","4","1") = "8"
    & skf18("9","3","2","6","3","5","1") = "8"
    & skf18("9","3","2","6","3","6","1") = "8"
    & skf18("9","3","2","6","3","7","1") = "8"
    & skf18("9","3","2","6","3","8","1") = "8"
    & skf18("9","3","2","6","3","9","1") = "8"
    & skf18("9","3","2","6","3","10","1") = "9"
    & skf18("9","3","2","6","4","1","1") = "8"
    & skf18("9","3","2","6","4","2","1") = "8"
    & skf18("9","3","2","6","4","3","1") = "8"
    & skf18("9","3","2","6","4","4","1") = "8"
    & skf18("9","3","2","6","4","5","1") = "8"
    & skf18("9","3","2","6","4","6","1") = "8"
    & skf18("9","3","2","6","4","7","1") = "8"
    & skf18("9","3","2","6","4","8","1") = "8"
    & skf18("9","3","2","6","4","9","1") = "8"
    & skf18("9","3","2","6","4","10","1") = "9"
    & skf18("9","3","2","6","5","1","1") = "8"
    & skf18("9","3","2","6","5","2","1") = "8"
    & skf18("9","3","2","6","5","3","1") = "8"
    & skf18("9","3","2","6","5","4","1") = "8"
    & skf18("9","3","2","6","5","5","1") = "8"
    & skf18("9","3","2","6","5","6","1") = "8"
    & skf18("9","3","2","6","5","7","1") = "8"
    & skf18("9","3","2","6","5","8","1") = "8"
    & skf18("9","3","2","6","5","9","1") = "8"
    & skf18("9","3","2","6","5","10","1") = "9"
    & skf18("9","3","2","6","6","1","1") = "8"
    & skf18("9","3","2","6","6","2","1") = "8"
    & skf18("9","3","2","6","6","3","1") = "8"
    & skf18("9","3","2","6","6","4","1") = "8"
    & skf18("9","3","2","6","6","5","1") = "8"
    & skf18("9","3","2","6","6","6","1") = "8"
    & skf18("9","3","2","6","6","7","1") = "8"
    & skf18("9","3","2","6","6","8","1") = "8"
    & skf18("9","3","2","6","6","9","1") = "8"
    & skf18("9","3","2","6","6","10","1") = "9"
    & skf18("9","3","2","6","7","1","1") = "8"
    & skf18("9","3","2","6","7","2","1") = "8"
    & skf18("9","3","2","6","7","3","1") = "8"
    & skf18("9","3","2","6","7","4","1") = "8"
    & skf18("9","3","2","6","7","5","1") = "8"
    & skf18("9","3","2","6","7","6","1") = "8"
    & skf18("9","3","2","6","7","7","1") = "8"
    & skf18("9","3","2","6","7","8","1") = "8"
    & skf18("9","3","2","6","7","9","1") = "8"
    & skf18("9","3","2","6","7","10","1") = "9"
    & skf18("9","3","2","6","8","1","1") = "8"
    & skf18("9","3","2","6","8","2","1") = "8"
    & skf18("9","3","2","6","8","3","1") = "8"
    & skf18("9","3","2","6","8","4","1") = "8"
    & skf18("9","3","2","6","8","5","1") = "8"
    & skf18("9","3","2","6","8","6","1") = "8"
    & skf18("9","3","2","6","8","7","1") = "8"
    & skf18("9","3","2","6","8","8","1") = "8"
    & skf18("9","3","2","6","8","9","1") = "8"
    & skf18("9","3","2","6","8","10","1") = "9"
    & skf18("9","3","2","6","9","1","1") = "8"
    & skf18("9","3","2","6","9","2","1") = "8"
    & skf18("9","3","2","6","9","3","1") = "8"
    & skf18("9","3","2","6","9","4","1") = "8"
    & skf18("9","3","2","6","9","5","1") = "8"
    & skf18("9","3","2","6","9","6","1") = "8"
    & skf18("9","3","2","6","9","7","1") = "8"
    & skf18("9","3","2","6","9","8","1") = "8"
    & skf18("9","3","2","6","9","9","1") = "8"
    & skf18("9","3","2","6","9","10","1") = "9"
    & skf18("9","3","2","6","10","1","1") = "9"
    & skf18("9","3","2","6","10","2","1") = "9"
    & skf18("9","3","2","6","10","3","1") = "9"
    & skf18("9","3","2","6","10","4","1") = "9"
    & skf18("9","3","2","6","10","5","1") = "9"
    & skf18("9","3","2","6","10","6","1") = "9"
    & skf18("9","3","2","6","10","7","1") = "9"
    & skf18("9","3","2","6","10","8","1") = "9"
    & skf18("9","3","2","6","10","9","1") = "9"
    & skf18("9","3","2","6","10","10","1") = "9"
    & skf18("9","3","2","7","1","1","1") = "8"
    & skf18("9","3","2","7","1","2","1") = "8"
    & skf18("9","3","2","7","1","3","1") = "8"
    & skf18("9","3","2","7","1","4","1") = "8"
    & skf18("9","3","2","7","1","5","1") = "8"
    & skf18("9","3","2","7","1","6","1") = "8"
    & skf18("9","3","2","7","1","7","1") = "8"
    & skf18("9","3","2","7","1","8","1") = "8"
    & skf18("9","3","2","7","1","9","1") = "8"
    & skf18("9","3","2","7","1","10","1") = "9"
    & skf18("9","3","2","7","2","1","1") = "8"
    & skf18("9","3","2","7","2","2","1") = "8"
    & skf18("9","3","2","7","2","3","1") = "8"
    & skf18("9","3","2","7","2","4","1") = "8"
    & skf18("9","3","2","7","2","5","1") = "8"
    & skf18("9","3","2","7","2","6","1") = "8"
    & skf18("9","3","2","7","2","7","1") = "8"
    & skf18("9","3","2","7","2","8","1") = "8"
    & skf18("9","3","2","7","2","9","1") = "8"
    & skf18("9","3","2","7","2","10","1") = "9"
    & skf18("9","3","2","7","3","1","1") = "8"
    & skf18("9","3","2","7","3","2","1") = "8"
    & skf18("9","3","2","7","3","3","1") = "8"
    & skf18("9","3","2","7","3","4","1") = "8"
    & skf18("9","3","2","7","3","5","1") = "8"
    & skf18("9","3","2","7","3","6","1") = "8"
    & skf18("9","3","2","7","3","7","1") = "8"
    & skf18("9","3","2","7","3","8","1") = "8"
    & skf18("9","3","2","7","3","9","1") = "8"
    & skf18("9","3","2","7","3","10","1") = "9"
    & skf18("9","3","2","7","4","1","1") = "8"
    & skf18("9","3","2","7","4","2","1") = "8"
    & skf18("9","3","2","7","4","3","1") = "8"
    & skf18("9","3","2","7","4","4","1") = "8"
    & skf18("9","3","2","7","4","5","1") = "8"
    & skf18("9","3","2","7","4","6","1") = "8"
    & skf18("9","3","2","7","4","7","1") = "8"
    & skf18("9","3","2","7","4","8","1") = "8"
    & skf18("9","3","2","7","4","9","1") = "8"
    & skf18("9","3","2","7","4","10","1") = "9"
    & skf18("9","3","2","7","5","1","1") = "8"
    & skf18("9","3","2","7","5","2","1") = "8"
    & skf18("9","3","2","7","5","3","1") = "8"
    & skf18("9","3","2","7","5","4","1") = "8"
    & skf18("9","3","2","7","5","5","1") = "8"
    & skf18("9","3","2","7","5","6","1") = "8"
    & skf18("9","3","2","7","5","7","1") = "8"
    & skf18("9","3","2","7","5","8","1") = "8"
    & skf18("9","3","2","7","5","9","1") = "8"
    & skf18("9","3","2","7","5","10","1") = "9"
    & skf18("9","3","2","7","6","1","1") = "8"
    & skf18("9","3","2","7","6","2","1") = "8"
    & skf18("9","3","2","7","6","3","1") = "8"
    & skf18("9","3","2","7","6","4","1") = "8"
    & skf18("9","3","2","7","6","5","1") = "8"
    & skf18("9","3","2","7","6","6","1") = "8"
    & skf18("9","3","2","7","6","7","1") = "8"
    & skf18("9","3","2","7","6","8","1") = "8"
    & skf18("9","3","2","7","6","9","1") = "8"
    & skf18("9","3","2","7","6","10","1") = "9"
    & skf18("9","3","2","7","7","1","1") = "8"
    & skf18("9","3","2","7","7","2","1") = "8"
    & skf18("9","3","2","7","7","3","1") = "8"
    & skf18("9","3","2","7","7","4","1") = "8"
    & skf18("9","3","2","7","7","5","1") = "8"
    & skf18("9","3","2","7","7","6","1") = "8"
    & skf18("9","3","2","7","7","7","1") = "8"
    & skf18("9","3","2","7","7","8","1") = "8"
    & skf18("9","3","2","7","7","9","1") = "8"
    & skf18("9","3","2","7","7","10","1") = "9"
    & skf18("9","3","2","7","8","1","1") = "8"
    & skf18("9","3","2","7","8","2","1") = "8"
    & skf18("9","3","2","7","8","3","1") = "8"
    & skf18("9","3","2","7","8","4","1") = "8"
    & skf18("9","3","2","7","8","5","1") = "8"
    & skf18("9","3","2","7","8","6","1") = "8"
    & skf18("9","3","2","7","8","7","1") = "8"
    & skf18("9","3","2","7","8","8","1") = "8"
    & skf18("9","3","2","7","8","9","1") = "8"
    & skf18("9","3","2","7","8","10","1") = "9"
    & skf18("9","3","2","7","9","1","1") = "8"
    & skf18("9","3","2","7","9","2","1") = "8"
    & skf18("9","3","2","7","9","3","1") = "8"
    & skf18("9","3","2","7","9","4","1") = "8"
    & skf18("9","3","2","7","9","5","1") = "8"
    & skf18("9","3","2","7","9","6","1") = "8"
    & skf18("9","3","2","7","9","7","1") = "8"
    & skf18("9","3","2","7","9","8","1") = "8"
    & skf18("9","3","2","7","9","9","1") = "8"
    & skf18("9","3","2","7","9","10","1") = "9"
    & skf18("9","3","2","7","10","1","1") = "9"
    & skf18("9","3","2","7","10","2","1") = "9"
    & skf18("9","3","2","7","10","3","1") = "9"
    & skf18("9","3","2","7","10","4","1") = "9"
    & skf18("9","3","2","7","10","5","1") = "9"
    & skf18("9","3","2","7","10","6","1") = "9"
    & skf18("9","3","2","7","10","7","1") = "9"
    & skf18("9","3","2","7","10","8","1") = "9"
    & skf18("9","3","2","7","10","9","1") = "9"
    & skf18("9","3","2","7","10","10","1") = "9"
    & skf18("9","3","2","8","1","1","1") = "8"
    & skf18("9","3","2","8","1","2","1") = "8"
    & skf18("9","3","2","8","1","3","1") = "8"
    & skf18("9","3","2","8","1","4","1") = "8"
    & skf18("9","3","2","8","1","5","1") = "8"
    & skf18("9","3","2","8","1","6","1") = "8"
    & skf18("9","3","2","8","1","7","1") = "8"
    & skf18("9","3","2","8","1","8","1") = "8"
    & skf18("9","3","2","8","1","9","1") = "8"
    & skf18("9","3","2","8","1","10","1") = "9"
    & skf18("9","3","2","8","2","1","1") = "8"
    & skf18("9","3","2","8","2","2","1") = "8"
    & skf18("9","3","2","8","2","3","1") = "8"
    & skf18("9","3","2","8","2","4","1") = "8"
    & skf18("9","3","2","8","2","5","1") = "8"
    & skf18("9","3","2","8","2","6","1") = "8"
    & skf18("9","3","2","8","2","7","1") = "8"
    & skf18("9","3","2","8","2","8","1") = "8"
    & skf18("9","3","2","8","2","9","1") = "8"
    & skf18("9","3","2","8","2","10","1") = "9"
    & skf18("9","3","2","8","3","1","1") = "8"
    & skf18("9","3","2","8","3","2","1") = "8"
    & skf18("9","3","2","8","3","3","1") = "8"
    & skf18("9","3","2","8","3","4","1") = "8"
    & skf18("9","3","2","8","3","5","1") = "8"
    & skf18("9","3","2","8","3","6","1") = "8"
    & skf18("9","3","2","8","3","7","1") = "8"
    & skf18("9","3","2","8","3","8","1") = "8"
    & skf18("9","3","2","8","3","9","1") = "8"
    & skf18("9","3","2","8","3","10","1") = "9"
    & skf18("9","3","2","8","4","1","1") = "8"
    & skf18("9","3","2","8","4","2","1") = "8"
    & skf18("9","3","2","8","4","3","1") = "8"
    & skf18("9","3","2","8","4","4","1") = "8"
    & skf18("9","3","2","8","4","5","1") = "8"
    & skf18("9","3","2","8","4","6","1") = "8"
    & skf18("9","3","2","8","4","7","1") = "8"
    & skf18("9","3","2","8","4","8","1") = "8"
    & skf18("9","3","2","8","4","9","1") = "8"
    & skf18("9","3","2","8","4","10","1") = "9"
    & skf18("9","3","2","8","5","1","1") = "8"
    & skf18("9","3","2","8","5","2","1") = "8"
    & skf18("9","3","2","8","5","3","1") = "8"
    & skf18("9","3","2","8","5","4","1") = "8"
    & skf18("9","3","2","8","5","5","1") = "8"
    & skf18("9","3","2","8","5","6","1") = "8"
    & skf18("9","3","2","8","5","7","1") = "8"
    & skf18("9","3","2","8","5","8","1") = "8"
    & skf18("9","3","2","8","5","9","1") = "8"
    & skf18("9","3","2","8","5","10","1") = "9"
    & skf18("9","3","2","8","6","1","1") = "8"
    & skf18("9","3","2","8","6","2","1") = "8"
    & skf18("9","3","2","8","6","3","1") = "8"
    & skf18("9","3","2","8","6","4","1") = "8"
    & skf18("9","3","2","8","6","5","1") = "8"
    & skf18("9","3","2","8","6","6","1") = "8"
    & skf18("9","3","2","8","6","7","1") = "8"
    & skf18("9","3","2","8","6","8","1") = "8"
    & skf18("9","3","2","8","6","9","1") = "8"
    & skf18("9","3","2","8","6","10","1") = "9"
    & skf18("9","3","2","8","7","1","1") = "8"
    & skf18("9","3","2","8","7","2","1") = "8"
    & skf18("9","3","2","8","7","3","1") = "8"
    & skf18("9","3","2","8","7","4","1") = "8"
    & skf18("9","3","2","8","7","5","1") = "8"
    & skf18("9","3","2","8","7","6","1") = "8"
    & skf18("9","3","2","8","7","7","1") = "8"
    & skf18("9","3","2","8","7","8","1") = "8"
    & skf18("9","3","2","8","7","9","1") = "8"
    & skf18("9","3","2","8","7","10","1") = "9"
    & skf18("9","3","2","8","8","1","1") = "8"
    & skf18("9","3","2","8","8","2","1") = "8"
    & skf18("9","3","2","8","8","3","1") = "8"
    & skf18("9","3","2","8","8","4","1") = "8"
    & skf18("9","3","2","8","8","5","1") = "8"
    & skf18("9","3","2","8","8","6","1") = "8"
    & skf18("9","3","2","8","8","7","1") = "8"
    & skf18("9","3","2","8","8","8","1") = "8"
    & skf18("9","3","2","8","8","9","1") = "8"
    & skf18("9","3","2","8","8","10","1") = "9"
    & skf18("9","3","2","8","9","1","1") = "8"
    & skf18("9","3","2","8","9","2","1") = "8"
    & skf18("9","3","2","8","9","3","1") = "8"
    & skf18("9","3","2","8","9","4","1") = "8"
    & skf18("9","3","2","8","9","5","1") = "8"
    & skf18("9","3","2","8","9","6","1") = "8"
    & skf18("9","3","2","8","9","7","1") = "8"
    & skf18("9","3","2","8","9","8","1") = "8"
    & skf18("9","3","2","8","9","9","1") = "8"
    & skf18("9","3","2","8","9","10","1") = "9"
    & skf18("9","3","2","8","10","1","1") = "9"
    & skf18("9","3","2","8","10","2","1") = "9"
    & skf18("9","3","2","8","10","3","1") = "9"
    & skf18("9","3","2","8","10","4","1") = "9"
    & skf18("9","3","2","8","10","5","1") = "9"
    & skf18("9","3","2","8","10","6","1") = "9"
    & skf18("9","3","2","8","10","7","1") = "9"
    & skf18("9","3","2","8","10","8","1") = "9"
    & skf18("9","3","2","8","10","9","1") = "9"
    & skf18("9","3","2","8","10","10","1") = "9"
    & skf18("9","3","2","9","1","1","1") = "8"
    & skf18("9","3","2","9","1","2","1") = "8"
    & skf18("9","3","2","9","1","3","1") = "8"
    & skf18("9","3","2","9","1","4","1") = "8"
    & skf18("9","3","2","9","1","5","1") = "8"
    & skf18("9","3","2","9","1","6","1") = "8"
    & skf18("9","3","2","9","1","7","1") = "8"
    & skf18("9","3","2","9","1","8","1") = "8"
    & skf18("9","3","2","9","1","9","1") = "8"
    & skf18("9","3","2","9","1","10","1") = "9"
    & skf18("9","3","2","9","2","1","1") = "8"
    & skf18("9","3","2","9","2","2","1") = "8"
    & skf18("9","3","2","9","2","3","1") = "8"
    & skf18("9","3","2","9","2","4","1") = "8"
    & skf18("9","3","2","9","2","5","1") = "8"
    & skf18("9","3","2","9","2","6","1") = "8"
    & skf18("9","3","2","9","2","7","1") = "8"
    & skf18("9","3","2","9","2","8","1") = "8"
    & skf18("9","3","2","9","2","9","1") = "8"
    & skf18("9","3","2","9","2","10","1") = "9"
    & skf18("9","3","2","9","3","1","1") = "8"
    & skf18("9","3","2","9","3","2","1") = "8"
    & skf18("9","3","2","9","3","3","1") = "8"
    & skf18("9","3","2","9","3","4","1") = "8"
    & skf18("9","3","2","9","3","5","1") = "8"
    & skf18("9","3","2","9","3","6","1") = "8"
    & skf18("9","3","2","9","3","7","1") = "8"
    & skf18("9","3","2","9","3","8","1") = "8"
    & skf18("9","3","2","9","3","9","1") = "8"
    & skf18("9","3","2","9","3","10","1") = "9"
    & skf18("9","3","2","9","4","1","1") = "8"
    & skf18("9","3","2","9","4","2","1") = "8"
    & skf18("9","3","2","9","4","3","1") = "8"
    & skf18("9","3","2","9","4","4","1") = "8"
    & skf18("9","3","2","9","4","5","1") = "8"
    & skf18("9","3","2","9","4","6","1") = "8"
    & skf18("9","3","2","9","4","7","1") = "8"
    & skf18("9","3","2","9","4","8","1") = "8"
    & skf18("9","3","2","9","4","9","1") = "8"
    & skf18("9","3","2","9","4","10","1") = "9"
    & skf18("9","3","2","9","5","1","1") = "8"
    & skf18("9","3","2","9","5","2","1") = "8"
    & skf18("9","3","2","9","5","3","1") = "8"
    & skf18("9","3","2","9","5","4","1") = "8"
    & skf18("9","3","2","9","5","5","1") = "8"
    & skf18("9","3","2","9","5","6","1") = "8"
    & skf18("9","3","2","9","5","7","1") = "8"
    & skf18("9","3","2","9","5","8","1") = "8"
    & skf18("9","3","2","9","5","9","1") = "8"
    & skf18("9","3","2","9","5","10","1") = "9"
    & skf18("9","3","2","9","6","1","1") = "8"
    & skf18("9","3","2","9","6","2","1") = "8"
    & skf18("9","3","2","9","6","3","1") = "8"
    & skf18("9","3","2","9","6","4","1") = "8"
    & skf18("9","3","2","9","6","5","1") = "8"
    & skf18("9","3","2","9","6","6","1") = "8"
    & skf18("9","3","2","9","6","7","1") = "8"
    & skf18("9","3","2","9","6","8","1") = "8"
    & skf18("9","3","2","9","6","9","1") = "8"
    & skf18("9","3","2","9","6","10","1") = "9"
    & skf18("9","3","2","9","7","1","1") = "8"
    & skf18("9","3","2","9","7","2","1") = "8"
    & skf18("9","3","2","9","7","3","1") = "8"
    & skf18("9","3","2","9","7","4","1") = "8"
    & skf18("9","3","2","9","7","5","1") = "8"
    & skf18("9","3","2","9","7","6","1") = "8"
    & skf18("9","3","2","9","7","7","1") = "8"
    & skf18("9","3","2","9","7","8","1") = "8"
    & skf18("9","3","2","9","7","9","1") = "8"
    & skf18("9","3","2","9","7","10","1") = "9"
    & skf18("9","3","2","9","8","1","1") = "8"
    & skf18("9","3","2","9","8","2","1") = "8"
    & skf18("9","3","2","9","8","3","1") = "8"
    & skf18("9","3","2","9","8","4","1") = "8"
    & skf18("9","3","2","9","8","5","1") = "8"
    & skf18("9","3","2","9","8","6","1") = "8"
    & skf18("9","3","2","9","8","7","1") = "8"
    & skf18("9","3","2","9","8","8","1") = "8"
    & skf18("9","3","2","9","8","9","1") = "8"
    & skf18("9","3","2","9","8","10","1") = "9"
    & skf18("9","3","2","9","9","1","1") = "8"
    & skf18("9","3","2","9","9","2","1") = "8"
    & skf18("9","3","2","9","9","3","1") = "8"
    & skf18("9","3","2","9","9","4","1") = "8"
    & skf18("9","3","2","9","9","5","1") = "8"
    & skf18("9","3","2","9","9","6","1") = "8"
    & skf18("9","3","2","9","9","7","1") = "8"
    & skf18("9","3","2","9","9","8","1") = "8"
    & skf18("9","3","2","9","9","9","1") = "8"
    & skf18("9","3","2","9","9","10","1") = "9"
    & skf18("9","3","2","9","10","1","1") = "9"
    & skf18("9","3","2","9","10","2","1") = "9"
    & skf18("9","3","2","9","10","3","1") = "9"
    & skf18("9","3","2","9","10","4","1") = "9"
    & skf18("9","3","2","9","10","5","1") = "9"
    & skf18("9","3","2","9","10","6","1") = "9"
    & skf18("9","3","2","9","10","7","1") = "9"
    & skf18("9","3","2","9","10","8","1") = "9"
    & skf18("9","3","2","9","10","9","1") = "9"
    & skf18("9","3","2","9","10","10","1") = "9"
    & skf18("9","3","2","10","1","1","1") = "9"
    & skf18("9","3","2","10","1","2","1") = "9"
    & skf18("9","3","2","10","1","3","1") = "9"
    & skf18("9","3","2","10","1","4","1") = "9"
    & skf18("9","3","2","10","1","5","1") = "9"
    & skf18("9","3","2","10","1","6","1") = "9"
    & skf18("9","3","2","10","1","7","1") = "9"
    & skf18("9","3","2","10","1","8","1") = "9"
    & skf18("9","3","2","10","1","9","1") = "9"
    & skf18("9","3","2","10","1","10","1") = "9"
    & skf18("9","3","2","10","2","1","1") = "9"
    & skf18("9","3","2","10","2","2","1") = "9"
    & skf18("9","3","2","10","2","3","1") = "9"
    & skf18("9","3","2","10","2","4","1") = "9"
    & skf18("9","3","2","10","2","5","1") = "9"
    & skf18("9","3","2","10","2","6","1") = "9"
    & skf18("9","3","2","10","2","7","1") = "9"
    & skf18("9","3","2","10","2","8","1") = "9"
    & skf18("9","3","2","10","2","9","1") = "9"
    & skf18("9","3","2","10","2","10","1") = "9"
    & skf18("9","3","2","10","3","1","1") = "9"
    & skf18("9","3","2","10","3","2","1") = "9"
    & skf18("9","3","2","10","3","3","1") = "9"
    & skf18("9","3","2","10","3","4","1") = "9"
    & skf18("9","3","2","10","3","5","1") = "9"
    & skf18("9","3","2","10","3","6","1") = "9"
    & skf18("9","3","2","10","3","7","1") = "9"
    & skf18("9","3","2","10","3","8","1") = "9"
    & skf18("9","3","2","10","3","9","1") = "9"
    & skf18("9","3","2","10","3","10","1") = "9"
    & skf18("9","3","2","10","4","1","1") = "9"
    & skf18("9","3","2","10","4","2","1") = "9"
    & skf18("9","3","2","10","4","3","1") = "9"
    & skf18("9","3","2","10","4","4","1") = "9"
    & skf18("9","3","2","10","4","5","1") = "9"
    & skf18("9","3","2","10","4","6","1") = "9"
    & skf18("9","3","2","10","4","7","1") = "9"
    & skf18("9","3","2","10","4","8","1") = "9"
    & skf18("9","3","2","10","4","9","1") = "9"
    & skf18("9","3","2","10","4","10","1") = "9"
    & skf18("9","3","2","10","5","1","1") = "9"
    & skf18("9","3","2","10","5","2","1") = "9"
    & skf18("9","3","2","10","5","3","1") = "9"
    & skf18("9","3","2","10","5","4","1") = "9"
    & skf18("9","3","2","10","5","5","1") = "9"
    & skf18("9","3","2","10","5","6","1") = "9"
    & skf18("9","3","2","10","5","7","1") = "9"
    & skf18("9","3","2","10","5","8","1") = "9"
    & skf18("9","3","2","10","5","9","1") = "9"
    & skf18("9","3","2","10","5","10","1") = "9"
    & skf18("9","3","2","10","6","1","1") = "9"
    & skf18("9","3","2","10","6","2","1") = "9"
    & skf18("9","3","2","10","6","3","1") = "9"
    & skf18("9","3","2","10","6","4","1") = "9"
    & skf18("9","3","2","10","6","5","1") = "9"
    & skf18("9","3","2","10","6","6","1") = "9"
    & skf18("9","3","2","10","6","7","1") = "9"
    & skf18("9","3","2","10","6","8","1") = "9"
    & skf18("9","3","2","10","6","9","1") = "9"
    & skf18("9","3","2","10","6","10","1") = "9"
    & skf18("9","3","2","10","7","1","1") = "9"
    & skf18("9","3","2","10","7","2","1") = "9"
    & skf18("9","3","2","10","7","3","1") = "9"
    & skf18("9","3","2","10","7","4","1") = "9"
    & skf18("9","3","2","10","7","5","1") = "9"
    & skf18("9","3","2","10","7","6","1") = "9"
    & skf18("9","3","2","10","7","7","1") = "9"
    & skf18("9","3","2","10","7","8","1") = "9"
    & skf18("9","3","2","10","7","9","1") = "9"
    & skf18("9","3","2","10","7","10","1") = "9"
    & skf18("9","3","2","10","8","1","1") = "9"
    & skf18("9","3","2","10","8","2","1") = "9"
    & skf18("9","3","2","10","8","3","1") = "9"
    & skf18("9","3","2","10","8","4","1") = "9"
    & skf18("9","3","2","10","8","5","1") = "9"
    & skf18("9","3","2","10","8","6","1") = "9"
    & skf18("9","3","2","10","8","7","1") = "9"
    & skf18("9","3","2","10","8","8","1") = "9"
    & skf18("9","3","2","10","8","9","1") = "9"
    & skf18("9","3","2","10","8","10","1") = "9"
    & skf18("9","3","2","10","9","1","1") = "9"
    & skf18("9","3","2","10","9","2","1") = "9"
    & skf18("9","3","2","10","9","3","1") = "9"
    & skf18("9","3","2","10","9","4","1") = "9"
    & skf18("9","3","2","10","9","5","1") = "9"
    & skf18("9","3","2","10","9","6","1") = "9"
    & skf18("9","3","2","10","9","7","1") = "9"
    & skf18("9","3","2","10","9","8","1") = "9"
    & skf18("9","3","2","10","9","9","1") = "9"
    & skf18("9","3","2","10","9","10","1") = "9"
    & skf18("9","3","2","10","10","1","1") = "9"
    & skf18("9","3","2","10","10","2","1") = "9"
    & skf18("9","3","2","10","10","3","1") = "9"
    & skf18("9","3","2","10","10","4","1") = "9"
    & skf18("9","3","2","10","10","5","1") = "9"
    & skf18("9","3","2","10","10","6","1") = "9"
    & skf18("9","3","2","10","10","7","1") = "9"
    & skf18("9","3","2","10","10","8","1") = "9"
    & skf18("9","3","2","10","10","9","1") = "9"
    & skf18("9","3","2","10","10","10","1") = "9"
    & skf18("9","3","3","1","1","1","1") = "8"
    & skf18("9","3","3","1","1","2","1") = "8"
    & skf18("9","3","3","1","1","3","1") = "8"
    & skf18("9","3","3","1","1","4","1") = "8"
    & skf18("9","3","3","1","1","5","1") = "8"
    & skf18("9","3","3","1","1","6","1") = "8"
    & skf18("9","3","3","1","1","7","1") = "8"
    & skf18("9","3","3","1","1","8","1") = "8"
    & skf18("9","3","3","1","1","9","1") = "8"
    & skf18("9","3","3","1","1","10","1") = "9"
    & skf18("9","3","3","1","2","1","1") = "8"
    & skf18("9","3","3","1","2","2","1") = "8"
    & skf18("9","3","3","1","2","3","1") = "8"
    & skf18("9","3","3","1","2","4","1") = "8"
    & skf18("9","3","3","1","2","5","1") = "8"
    & skf18("9","3","3","1","2","6","1") = "8"
    & skf18("9","3","3","1","2","7","1") = "8"
    & skf18("9","3","3","1","2","8","1") = "8"
    & skf18("9","3","3","1","2","9","1") = "8"
    & skf18("9","3","3","1","2","10","1") = "9"
    & skf18("9","3","3","1","3","1","1") = "8"
    & skf18("9","3","3","1","3","2","1") = "8"
    & skf18("9","3","3","1","3","3","1") = "8"
    & skf18("9","3","3","1","3","4","1") = "8"
    & skf18("9","3","3","1","3","5","1") = "8"
    & skf18("9","3","3","1","3","6","1") = "8"
    & skf18("9","3","3","1","3","7","1") = "8"
    & skf18("9","3","3","1","3","8","1") = "8"
    & skf18("9","3","3","1","3","9","1") = "8"
    & skf18("9","3","3","1","3","10","1") = "9"
    & skf18("9","3","3","1","4","1","1") = "8"
    & skf18("9","3","3","1","4","2","1") = "8"
    & skf18("9","3","3","1","4","3","1") = "8"
    & skf18("9","3","3","1","4","4","1") = "8"
    & skf18("9","3","3","1","4","5","1") = "8"
    & skf18("9","3","3","1","4","6","1") = "8"
    & skf18("9","3","3","1","4","7","1") = "8"
    & skf18("9","3","3","1","4","8","1") = "8"
    & skf18("9","3","3","1","4","9","1") = "8"
    & skf18("9","3","3","1","4","10","1") = "9"
    & skf18("9","3","3","1","5","1","1") = "8"
    & skf18("9","3","3","1","5","2","1") = "8"
    & skf18("9","3","3","1","5","3","1") = "8"
    & skf18("9","3","3","1","5","4","1") = "8"
    & skf18("9","3","3","1","5","5","1") = "8"
    & skf18("9","3","3","1","5","6","1") = "8"
    & skf18("9","3","3","1","5","7","1") = "8"
    & skf18("9","3","3","1","5","8","1") = "8"
    & skf18("9","3","3","1","5","9","1") = "8"
    & skf18("9","3","3","1","5","10","1") = "9"
    & skf18("9","3","3","1","6","1","1") = "8"
    & skf18("9","3","3","1","6","2","1") = "8"
    & skf18("9","3","3","1","6","3","1") = "8"
    & skf18("9","3","3","1","6","4","1") = "8"
    & skf18("9","3","3","1","6","5","1") = "8"
    & skf18("9","3","3","1","6","6","1") = "8"
    & skf18("9","3","3","1","6","7","1") = "8"
    & skf18("9","3","3","1","6","8","1") = "8"
    & skf18("9","3","3","1","6","9","1") = "8"
    & skf18("9","3","3","1","6","10","1") = "9"
    & skf18("9","3","3","1","7","1","1") = "8"
    & skf18("9","3","3","1","7","2","1") = "8"
    & skf18("9","3","3","1","7","3","1") = "8"
    & skf18("9","3","3","1","7","4","1") = "8"
    & skf18("9","3","3","1","7","5","1") = "8"
    & skf18("9","3","3","1","7","6","1") = "8"
    & skf18("9","3","3","1","7","7","1") = "8"
    & skf18("9","3","3","1","7","8","1") = "8"
    & skf18("9","3","3","1","7","9","1") = "8"
    & skf18("9","3","3","1","7","10","1") = "9"
    & skf18("9","3","3","1","8","1","1") = "8"
    & skf18("9","3","3","1","8","2","1") = "8"
    & skf18("9","3","3","1","8","3","1") = "8"
    & skf18("9","3","3","1","8","4","1") = "8"
    & skf18("9","3","3","1","8","5","1") = "8"
    & skf18("9","3","3","1","8","6","1") = "8"
    & skf18("9","3","3","1","8","7","1") = "8"
    & skf18("9","3","3","1","8","8","1") = "8"
    & skf18("9","3","3","1","8","9","1") = "8"
    & skf18("9","3","3","1","8","10","1") = "9"
    & skf18("9","3","3","1","9","1","1") = "8"
    & skf18("9","3","3","1","9","2","1") = "8"
    & skf18("9","3","3","1","9","3","1") = "8"
    & skf18("9","3","3","1","9","4","1") = "8"
    & skf18("9","3","3","1","9","5","1") = "8"
    & skf18("9","3","3","1","9","6","1") = "8"
    & skf18("9","3","3","1","9","7","1") = "8"
    & skf18("9","3","3","1","9","8","1") = "8"
    & skf18("9","3","3","1","9","9","1") = "8"
    & skf18("9","3","3","1","9","10","1") = "9"
    & skf18("9","3","3","1","10","1","1") = "9"
    & skf18("9","3","3","1","10","2","1") = "9"
    & skf18("9","3","3","1","10","3","1") = "9"
    & skf18("9","3","3","1","10","4","1") = "9"
    & skf18("9","3","3","1","10","5","1") = "9"
    & skf18("9","3","3","1","10","6","1") = "9"
    & skf18("9","3","3","1","10","7","1") = "9"
    & skf18("9","3","3","1","10","8","1") = "9"
    & skf18("9","3","3","1","10","9","1") = "9"
    & skf18("9","3","3","1","10","10","1") = "9"
    & skf18("9","3","3","2","1","1","1") = "8"
    & skf18("9","3","3","2","1","2","1") = "8"
    & skf18("9","3","3","2","1","3","1") = "8"
    & skf18("9","3","3","2","1","4","1") = "8"
    & skf18("9","3","3","2","1","5","1") = "8"
    & skf18("9","3","3","2","1","6","1") = "8"
    & skf18("9","3","3","2","1","7","1") = "8"
    & skf18("9","3","3","2","1","8","1") = "8"
    & skf18("9","3","3","2","1","9","1") = "8"
    & skf18("9","3","3","2","1","10","1") = "9"
    & skf18("9","3","3","2","2","1","1") = "8"
    & skf18("9","3","3","2","2","2","1") = "8"
    & skf18("9","3","3","2","2","3","1") = "8"
    & skf18("9","3","3","2","2","4","1") = "8"
    & skf18("9","3","3","2","2","5","1") = "8"
    & skf18("9","3","3","2","2","6","1") = "8"
    & skf18("9","3","3","2","2","7","1") = "8"
    & skf18("9","3","3","2","2","8","1") = "8"
    & skf18("9","3","3","2","2","9","1") = "8"
    & skf18("9","3","3","2","2","10","1") = "9"
    & skf18("9","3","3","2","3","1","1") = "8"
    & skf18("9","3","3","2","3","2","1") = "8"
    & skf18("9","3","3","2","3","3","1") = "8"
    & skf18("9","3","3","2","3","4","1") = "8"
    & skf18("9","3","3","2","3","5","1") = "8"
    & skf18("9","3","3","2","3","6","1") = "8"
    & skf18("9","3","3","2","3","7","1") = "8"
    & skf18("9","3","3","2","3","8","1") = "8"
    & skf18("9","3","3","2","3","9","1") = "8"
    & skf18("9","3","3","2","3","10","1") = "9"
    & skf18("9","3","3","2","4","1","1") = "8"
    & skf18("9","3","3","2","4","2","1") = "8"
    & skf18("9","3","3","2","4","3","1") = "8"
    & skf18("9","3","3","2","4","4","1") = "8"
    & skf18("9","3","3","2","4","5","1") = "8"
    & skf18("9","3","3","2","4","6","1") = "8"
    & skf18("9","3","3","2","4","7","1") = "8"
    & skf18("9","3","3","2","4","8","1") = "8"
    & skf18("9","3","3","2","4","9","1") = "8"
    & skf18("9","3","3","2","4","10","1") = "9"
    & skf18("9","3","3","2","5","1","1") = "8"
    & skf18("9","3","3","2","5","2","1") = "8"
    & skf18("9","3","3","2","5","3","1") = "8"
    & skf18("9","3","3","2","5","4","1") = "8"
    & skf18("9","3","3","2","5","5","1") = "8"
    & skf18("9","3","3","2","5","6","1") = "8"
    & skf18("9","3","3","2","5","7","1") = "8"
    & skf18("9","3","3","2","5","8","1") = "8"
    & skf18("9","3","3","2","5","9","1") = "8"
    & skf18("9","3","3","2","5","10","1") = "9"
    & skf18("9","3","3","2","6","1","1") = "8"
    & skf18("9","3","3","2","6","2","1") = "8"
    & skf18("9","3","3","2","6","3","1") = "8"
    & skf18("9","3","3","2","6","4","1") = "8"
    & skf18("9","3","3","2","6","5","1") = "8"
    & skf18("9","3","3","2","6","6","1") = "8"
    & skf18("9","3","3","2","6","7","1") = "8"
    & skf18("9","3","3","2","6","8","1") = "8"
    & skf18("9","3","3","2","6","9","1") = "8"
    & skf18("9","3","3","2","6","10","1") = "9"
    & skf18("9","3","3","2","7","1","1") = "8"
    & skf18("9","3","3","2","7","2","1") = "8"
    & skf18("9","3","3","2","7","3","1") = "8"
    & skf18("9","3","3","2","7","4","1") = "8"
    & skf18("9","3","3","2","7","5","1") = "8"
    & skf18("9","3","3","2","7","6","1") = "8"
    & skf18("9","3","3","2","7","7","1") = "8"
    & skf18("9","3","3","2","7","8","1") = "8"
    & skf18("9","3","3","2","7","9","1") = "8"
    & skf18("9","3","3","2","7","10","1") = "9"
    & skf18("9","3","3","2","8","1","1") = "8"
    & skf18("9","3","3","2","8","2","1") = "8"
    & skf18("9","3","3","2","8","3","1") = "8"
    & skf18("9","3","3","2","8","4","1") = "8"
    & skf18("9","3","3","2","8","5","1") = "8"
    & skf18("9","3","3","2","8","6","1") = "8"
    & skf18("9","3","3","2","8","7","1") = "8"
    & skf18("9","3","3","2","8","8","1") = "8"
    & skf18("9","3","3","2","8","9","1") = "8"
    & skf18("9","3","3","2","8","10","1") = "9"
    & skf18("9","3","3","2","9","1","1") = "8"
    & skf18("9","3","3","2","9","2","1") = "8"
    & skf18("9","3","3","2","9","3","1") = "8"
    & skf18("9","3","3","2","9","4","1") = "8"
    & skf18("9","3","3","2","9","5","1") = "8"
    & skf18("9","3","3","2","9","6","1") = "8"
    & skf18("9","3","3","2","9","7","1") = "8"
    & skf18("9","3","3","2","9","8","1") = "8"
    & skf18("9","3","3","2","9","9","1") = "8"
    & skf18("9","3","3","2","9","10","1") = "9"
    & skf18("9","3","3","2","10","1","1") = "9"
    & skf18("9","3","3","2","10","2","1") = "9"
    & skf18("9","3","3","2","10","3","1") = "9"
    & skf18("9","3","3","2","10","4","1") = "9"
    & skf18("9","3","3","2","10","5","1") = "9"
    & skf18("9","3","3","2","10","6","1") = "9"
    & skf18("9","3","3","2","10","7","1") = "9"
    & skf18("9","3","3","2","10","8","1") = "9"
    & skf18("9","3","3","2","10","9","1") = "9"
    & skf18("9","3","3","2","10","10","1") = "9"
    & skf18("9","3","3","3","1","1","1") = "8"
    & skf18("9","3","3","3","1","2","1") = "8"
    & skf18("9","3","3","3","1","3","1") = "8"
    & skf18("9","3","3","3","1","4","1") = "8"
    & skf18("9","3","3","3","1","5","1") = "8"
    & skf18("9","3","3","3","1","6","1") = "8"
    & skf18("9","3","3","3","1","7","1") = "8"
    & skf18("9","3","3","3","1","8","1") = "8"
    & skf18("9","3","3","3","1","9","1") = "8"
    & skf18("9","3","3","3","1","10","1") = "9"
    & skf18("9","3","3","3","2","1","1") = "8"
    & skf18("9","3","3","3","2","2","1") = "8"
    & skf18("9","3","3","3","2","3","1") = "8"
    & skf18("9","3","3","3","2","4","1") = "8"
    & skf18("9","3","3","3","2","5","1") = "8"
    & skf18("9","3","3","3","2","6","1") = "8"
    & skf18("9","3","3","3","2","7","1") = "8"
    & skf18("9","3","3","3","2","8","1") = "8"
    & skf18("9","3","3","3","2","9","1") = "8"
    & skf18("9","3","3","3","2","10","1") = "9"
    & skf18("9","3","3","3","3","1","1") = "8"
    & skf18("9","3","3","3","3","2","1") = "8"
    & skf18("9","3","3","3","3","3","1") = "8"
    & skf18("9","3","3","3","3","4","1") = "8"
    & skf18("9","3","3","3","3","5","1") = "8"
    & skf18("9","3","3","3","3","6","1") = "8"
    & skf18("9","3","3","3","3","7","1") = "8"
    & skf18("9","3","3","3","3","8","1") = "8"
    & skf18("9","3","3","3","3","9","1") = "8"
    & skf18("9","3","3","3","3","10","1") = "9"
    & skf18("9","3","3","3","4","1","1") = "8"
    & skf18("9","3","3","3","4","2","1") = "8"
    & skf18("9","3","3","3","4","3","1") = "8"
    & skf18("9","3","3","3","4","4","1") = "8"
    & skf18("9","3","3","3","4","5","1") = "8"
    & skf18("9","3","3","3","4","6","1") = "8"
    & skf18("9","3","3","3","4","7","1") = "8"
    & skf18("9","3","3","3","4","8","1") = "8"
    & skf18("9","3","3","3","4","9","1") = "8"
    & skf18("9","3","3","3","4","10","1") = "9"
    & skf18("9","3","3","3","5","1","1") = "8"
    & skf18("9","3","3","3","5","2","1") = "8"
    & skf18("9","3","3","3","5","3","1") = "8"
    & skf18("9","3","3","3","5","4","1") = "8"
    & skf18("9","3","3","3","5","5","1") = "8"
    & skf18("9","3","3","3","5","6","1") = "8"
    & skf18("9","3","3","3","5","7","1") = "8"
    & skf18("9","3","3","3","5","8","1") = "8"
    & skf18("9","3","3","3","5","9","1") = "8"
    & skf18("9","3","3","3","5","10","1") = "9"
    & skf18("9","3","3","3","6","1","1") = "8"
    & skf18("9","3","3","3","6","2","1") = "8"
    & skf18("9","3","3","3","6","3","1") = "8"
    & skf18("9","3","3","3","6","4","1") = "8"
    & skf18("9","3","3","3","6","5","1") = "8"
    & skf18("9","3","3","3","6","6","1") = "8"
    & skf18("9","3","3","3","6","7","1") = "8"
    & skf18("9","3","3","3","6","8","1") = "8"
    & skf18("9","3","3","3","6","9","1") = "8"
    & skf18("9","3","3","3","6","10","1") = "9"
    & skf18("9","3","3","3","7","1","1") = "8"
    & skf18("9","3","3","3","7","2","1") = "8"
    & skf18("9","3","3","3","7","3","1") = "8"
    & skf18("9","3","3","3","7","4","1") = "8"
    & skf18("9","3","3","3","7","5","1") = "8"
    & skf18("9","3","3","3","7","6","1") = "8"
    & skf18("9","3","3","3","7","7","1") = "8"
    & skf18("9","3","3","3","7","8","1") = "8"
    & skf18("9","3","3","3","7","9","1") = "8"
    & skf18("9","3","3","3","7","10","1") = "9"
    & skf18("9","3","3","3","8","1","1") = "8"
    & skf18("9","3","3","3","8","2","1") = "8"
    & skf18("9","3","3","3","8","3","1") = "8"
    & skf18("9","3","3","3","8","4","1") = "8"
    & skf18("9","3","3","3","8","5","1") = "8"
    & skf18("9","3","3","3","8","6","1") = "8"
    & skf18("9","3","3","3","8","7","1") = "8"
    & skf18("9","3","3","3","8","8","1") = "8"
    & skf18("9","3","3","3","8","9","1") = "8"
    & skf18("9","3","3","3","8","10","1") = "9"
    & skf18("9","3","3","3","9","1","1") = "8"
    & skf18("9","3","3","3","9","2","1") = "8"
    & skf18("9","3","3","3","9","3","1") = "8"
    & skf18("9","3","3","3","9","4","1") = "8"
    & skf18("9","3","3","3","9","5","1") = "8"
    & skf18("9","3","3","3","9","6","1") = "8"
    & skf18("9","3","3","3","9","7","1") = "8"
    & skf18("9","3","3","3","9","8","1") = "8"
    & skf18("9","3","3","3","9","9","1") = "8"
    & skf18("9","3","3","3","9","10","1") = "9"
    & skf18("9","3","3","3","10","1","1") = "9"
    & skf18("9","3","3","3","10","2","1") = "9"
    & skf18("9","3","3","3","10","3","1") = "9"
    & skf18("9","3","3","3","10","4","1") = "9"
    & skf18("9","3","3","3","10","5","1") = "9"
    & skf18("9","3","3","3","10","6","1") = "9"
    & skf18("9","3","3","3","10","7","1") = "9"
    & skf18("9","3","3","3","10","8","1") = "9"
    & skf18("9","3","3","3","10","9","1") = "9"
    & skf18("9","3","3","3","10","10","1") = "9"
    & skf18("9","3","3","4","1","1","1") = "8"
    & skf18("9","3","3","4","1","2","1") = "8"
    & skf18("9","3","3","4","1","3","1") = "8"
    & skf18("9","3","3","4","1","4","1") = "8"
    & skf18("9","3","3","4","1","5","1") = "8"
    & skf18("9","3","3","4","1","6","1") = "8"
    & skf18("9","3","3","4","1","7","1") = "8"
    & skf18("9","3","3","4","1","8","1") = "8"
    & skf18("9","3","3","4","1","9","1") = "8"
    & skf18("9","3","3","4","1","10","1") = "9"
    & skf18("9","3","3","4","2","1","1") = "8"
    & skf18("9","3","3","4","2","2","1") = "8"
    & skf18("9","3","3","4","2","3","1") = "8"
    & skf18("9","3","3","4","2","4","1") = "8"
    & skf18("9","3","3","4","2","5","1") = "8"
    & skf18("9","3","3","4","2","6","1") = "8"
    & skf18("9","3","3","4","2","7","1") = "8"
    & skf18("9","3","3","4","2","8","1") = "8"
    & skf18("9","3","3","4","2","9","1") = "8"
    & skf18("9","3","3","4","2","10","1") = "9"
    & skf18("9","3","3","4","3","1","1") = "8"
    & skf18("9","3","3","4","3","2","1") = "8"
    & skf18("9","3","3","4","3","3","1") = "8"
    & skf18("9","3","3","4","3","4","1") = "8"
    & skf18("9","3","3","4","3","5","1") = "8"
    & skf18("9","3","3","4","3","6","1") = "8"
    & skf18("9","3","3","4","3","7","1") = "8"
    & skf18("9","3","3","4","3","8","1") = "8"
    & skf18("9","3","3","4","3","9","1") = "8"
    & skf18("9","3","3","4","3","10","1") = "9"
    & skf18("9","3","3","4","4","1","1") = "8"
    & skf18("9","3","3","4","4","2","1") = "8"
    & skf18("9","3","3","4","4","3","1") = "8"
    & skf18("9","3","3","4","4","4","1") = "8"
    & skf18("9","3","3","4","4","5","1") = "8"
    & skf18("9","3","3","4","4","6","1") = "8"
    & skf18("9","3","3","4","4","7","1") = "8"
    & skf18("9","3","3","4","4","8","1") = "8"
    & skf18("9","3","3","4","4","9","1") = "8"
    & skf18("9","3","3","4","4","10","1") = "9"
    & skf18("9","3","3","4","5","1","1") = "8"
    & skf18("9","3","3","4","5","2","1") = "8"
    & skf18("9","3","3","4","5","3","1") = "8"
    & skf18("9","3","3","4","5","4","1") = "8"
    & skf18("9","3","3","4","5","5","1") = "8"
    & skf18("9","3","3","4","5","6","1") = "8"
    & skf18("9","3","3","4","5","7","1") = "8"
    & skf18("9","3","3","4","5","8","1") = "8"
    & skf18("9","3","3","4","5","9","1") = "8"
    & skf18("9","3","3","4","5","10","1") = "9"
    & skf18("9","3","3","4","6","1","1") = "8"
    & skf18("9","3","3","4","6","2","1") = "8"
    & skf18("9","3","3","4","6","3","1") = "8"
    & skf18("9","3","3","4","6","4","1") = "8"
    & skf18("9","3","3","4","6","5","1") = "8"
    & skf18("9","3","3","4","6","6","1") = "8"
    & skf18("9","3","3","4","6","7","1") = "8"
    & skf18("9","3","3","4","6","8","1") = "8"
    & skf18("9","3","3","4","6","9","1") = "8"
    & skf18("9","3","3","4","6","10","1") = "9"
    & skf18("9","3","3","4","7","1","1") = "8"
    & skf18("9","3","3","4","7","2","1") = "8"
    & skf18("9","3","3","4","7","3","1") = "8"
    & skf18("9","3","3","4","7","4","1") = "8"
    & skf18("9","3","3","4","7","5","1") = "8"
    & skf18("9","3","3","4","7","6","1") = "8"
    & skf18("9","3","3","4","7","7","1") = "8"
    & skf18("9","3","3","4","7","8","1") = "8"
    & skf18("9","3","3","4","7","9","1") = "8"
    & skf18("9","3","3","4","7","10","1") = "9"
    & skf18("9","3","3","4","8","1","1") = "8"
    & skf18("9","3","3","4","8","2","1") = "8"
    & skf18("9","3","3","4","8","3","1") = "8"
    & skf18("9","3","3","4","8","4","1") = "8"
    & skf18("9","3","3","4","8","5","1") = "8"
    & skf18("9","3","3","4","8","6","1") = "8"
    & skf18("9","3","3","4","8","7","1") = "8"
    & skf18("9","3","3","4","8","8","1") = "8"
    & skf18("9","3","3","4","8","9","1") = "8"
    & skf18("9","3","3","4","8","10","1") = "9"
    & skf18("9","3","3","4","9","1","1") = "8"
    & skf18("9","3","3","4","9","2","1") = "8"
    & skf18("9","3","3","4","9","3","1") = "8"
    & skf18("9","3","3","4","9","4","1") = "8"
    & skf18("9","3","3","4","9","5","1") = "8"
    & skf18("9","3","3","4","9","6","1") = "8"
    & skf18("9","3","3","4","9","7","1") = "8"
    & skf18("9","3","3","4","9","8","1") = "8"
    & skf18("9","3","3","4","9","9","1") = "8"
    & skf18("9","3","3","4","9","10","1") = "9"
    & skf18("9","3","3","4","10","1","1") = "9"
    & skf18("9","3","3","4","10","2","1") = "9"
    & skf18("9","3","3","4","10","3","1") = "9"
    & skf18("9","3","3","4","10","4","1") = "9"
    & skf18("9","3","3","4","10","5","1") = "9"
    & skf18("9","3","3","4","10","6","1") = "9"
    & skf18("9","3","3","4","10","7","1") = "9"
    & skf18("9","3","3","4","10","8","1") = "9"
    & skf18("9","3","3","4","10","9","1") = "9"
    & skf18("9","3","3","4","10","10","1") = "9"
    & skf18("9","3","3","5","1","1","1") = "8"
    & skf18("9","3","3","5","1","2","1") = "8"
    & skf18("9","3","3","5","1","3","1") = "8"
    & skf18("9","3","3","5","1","4","1") = "8"
    & skf18("9","3","3","5","1","5","1") = "8"
    & skf18("9","3","3","5","1","6","1") = "8"
    & skf18("9","3","3","5","1","7","1") = "8"
    & skf18("9","3","3","5","1","8","1") = "8"
    & skf18("9","3","3","5","1","9","1") = "8"
    & skf18("9","3","3","5","1","10","1") = "9"
    & skf18("9","3","3","5","2","1","1") = "8"
    & skf18("9","3","3","5","2","2","1") = "8"
    & skf18("9","3","3","5","2","3","1") = "8"
    & skf18("9","3","3","5","2","4","1") = "8"
    & skf18("9","3","3","5","2","5","1") = "8"
    & skf18("9","3","3","5","2","6","1") = "8"
    & skf18("9","3","3","5","2","7","1") = "8"
    & skf18("9","3","3","5","2","8","1") = "8"
    & skf18("9","3","3","5","2","9","1") = "8"
    & skf18("9","3","3","5","2","10","1") = "9"
    & skf18("9","3","3","5","3","1","1") = "8"
    & skf18("9","3","3","5","3","2","1") = "8"
    & skf18("9","3","3","5","3","3","1") = "8"
    & skf18("9","3","3","5","3","4","1") = "8"
    & skf18("9","3","3","5","3","5","1") = "8"
    & skf18("9","3","3","5","3","6","1") = "8"
    & skf18("9","3","3","5","3","7","1") = "8"
    & skf18("9","3","3","5","3","8","1") = "8"
    & skf18("9","3","3","5","3","9","1") = "8"
    & skf18("9","3","3","5","3","10","1") = "9"
    & skf18("9","3","3","5","4","1","1") = "8"
    & skf18("9","3","3","5","4","2","1") = "8"
    & skf18("9","3","3","5","4","3","1") = "8"
    & skf18("9","3","3","5","4","4","1") = "8"
    & skf18("9","3","3","5","4","5","1") = "8"
    & skf18("9","3","3","5","4","6","1") = "8"
    & skf18("9","3","3","5","4","7","1") = "8"
    & skf18("9","3","3","5","4","8","1") = "8"
    & skf18("9","3","3","5","4","9","1") = "8"
    & skf18("9","3","3","5","4","10","1") = "9"
    & skf18("9","3","3","5","5","1","1") = "8"
    & skf18("9","3","3","5","5","2","1") = "8"
    & skf18("9","3","3","5","5","3","1") = "8"
    & skf18("9","3","3","5","5","4","1") = "8"
    & skf18("9","3","3","5","5","5","1") = "8"
    & skf18("9","3","3","5","5","6","1") = "8"
    & skf18("9","3","3","5","5","7","1") = "8"
    & skf18("9","3","3","5","5","8","1") = "8"
    & skf18("9","3","3","5","5","9","1") = "8"
    & skf18("9","3","3","5","5","10","1") = "9"
    & skf18("9","3","3","5","6","1","1") = "8"
    & skf18("9","3","3","5","6","2","1") = "8"
    & skf18("9","3","3","5","6","3","1") = "8"
    & skf18("9","3","3","5","6","4","1") = "8"
    & skf18("9","3","3","5","6","5","1") = "8"
    & skf18("9","3","3","5","6","6","1") = "8"
    & skf18("9","3","3","5","6","7","1") = "8"
    & skf18("9","3","3","5","6","8","1") = "8"
    & skf18("9","3","3","5","6","9","1") = "8"
    & skf18("9","3","3","5","6","10","1") = "9"
    & skf18("9","3","3","5","7","1","1") = "8"
    & skf18("9","3","3","5","7","2","1") = "8"
    & skf18("9","3","3","5","7","3","1") = "8"
    & skf18("9","3","3","5","7","4","1") = "8"
    & skf18("9","3","3","5","7","5","1") = "8"
    & skf18("9","3","3","5","7","6","1") = "8"
    & skf18("9","3","3","5","7","7","1") = "8"
    & skf18("9","3","3","5","7","8","1") = "8"
    & skf18("9","3","3","5","7","9","1") = "8"
    & skf18("9","3","3","5","7","10","1") = "9"
    & skf18("9","3","3","5","8","1","1") = "8"
    & skf18("9","3","3","5","8","2","1") = "8"
    & skf18("9","3","3","5","8","3","1") = "8"
    & skf18("9","3","3","5","8","4","1") = "8"
    & skf18("9","3","3","5","8","5","1") = "8"
    & skf18("9","3","3","5","8","6","1") = "8"
    & skf18("9","3","3","5","8","7","1") = "8"
    & skf18("9","3","3","5","8","8","1") = "8"
    & skf18("9","3","3","5","8","9","1") = "8"
    & skf18("9","3","3","5","8","10","1") = "9"
    & skf18("9","3","3","5","9","1","1") = "8"
    & skf18("9","3","3","5","9","2","1") = "8"
    & skf18("9","3","3","5","9","3","1") = "8"
    & skf18("9","3","3","5","9","4","1") = "8"
    & skf18("9","3","3","5","9","5","1") = "8"
    & skf18("9","3","3","5","9","6","1") = "8"
    & skf18("9","3","3","5","9","7","1") = "8"
    & skf18("9","3","3","5","9","8","1") = "8"
    & skf18("9","3","3","5","9","9","1") = "8"
    & skf18("9","3","3","5","9","10","1") = "9"
    & skf18("9","3","3","5","10","1","1") = "9"
    & skf18("9","3","3","5","10","2","1") = "9"
    & skf18("9","3","3","5","10","3","1") = "9"
    & skf18("9","3","3","5","10","4","1") = "9"
    & skf18("9","3","3","5","10","5","1") = "9"
    & skf18("9","3","3","5","10","6","1") = "9"
    & skf18("9","3","3","5","10","7","1") = "9"
    & skf18("9","3","3","5","10","8","1") = "9"
    & skf18("9","3","3","5","10","9","1") = "9"
    & skf18("9","3","3","5","10","10","1") = "9"
    & skf18("9","3","3","6","1","1","1") = "8"
    & skf18("9","3","3","6","1","2","1") = "8"
    & skf18("9","3","3","6","1","3","1") = "8"
    & skf18("9","3","3","6","1","4","1") = "8"
    & skf18("9","3","3","6","1","5","1") = "8"
    & skf18("9","3","3","6","1","6","1") = "8"
    & skf18("9","3","3","6","1","7","1") = "8"
    & skf18("9","3","3","6","1","8","1") = "8"
    & skf18("9","3","3","6","1","9","1") = "8"
    & skf18("9","3","3","6","1","10","1") = "9"
    & skf18("9","3","3","6","2","1","1") = "8"
    & skf18("9","3","3","6","2","2","1") = "8"
    & skf18("9","3","3","6","2","3","1") = "8"
    & skf18("9","3","3","6","2","4","1") = "8"
    & skf18("9","3","3","6","2","5","1") = "8"
    & skf18("9","3","3","6","2","6","1") = "8"
    & skf18("9","3","3","6","2","7","1") = "8"
    & skf18("9","3","3","6","2","8","1") = "8"
    & skf18("9","3","3","6","2","9","1") = "8"
    & skf18("9","3","3","6","2","10","1") = "9"
    & skf18("9","3","3","6","3","1","1") = "8"
    & skf18("9","3","3","6","3","2","1") = "8"
    & skf18("9","3","3","6","3","3","1") = "8"
    & skf18("9","3","3","6","3","4","1") = "8"
    & skf18("9","3","3","6","3","5","1") = "8"
    & skf18("9","3","3","6","3","6","1") = "8"
    & skf18("9","3","3","6","3","7","1") = "8"
    & skf18("9","3","3","6","3","8","1") = "8"
    & skf18("9","3","3","6","3","9","1") = "8"
    & skf18("9","3","3","6","3","10","1") = "9"
    & skf18("9","3","3","6","4","1","1") = "8"
    & skf18("9","3","3","6","4","2","1") = "8"
    & skf18("9","3","3","6","4","3","1") = "8"
    & skf18("9","3","3","6","4","4","1") = "8"
    & skf18("9","3","3","6","4","5","1") = "8"
    & skf18("9","3","3","6","4","6","1") = "8"
    & skf18("9","3","3","6","4","7","1") = "8"
    & skf18("9","3","3","6","4","8","1") = "8"
    & skf18("9","3","3","6","4","9","1") = "8"
    & skf18("9","3","3","6","4","10","1") = "9"
    & skf18("9","3","3","6","5","1","1") = "8"
    & skf18("9","3","3","6","5","2","1") = "8"
    & skf18("9","3","3","6","5","3","1") = "8"
    & skf18("9","3","3","6","5","4","1") = "8"
    & skf18("9","3","3","6","5","5","1") = "8"
    & skf18("9","3","3","6","5","6","1") = "8"
    & skf18("9","3","3","6","5","7","1") = "8"
    & skf18("9","3","3","6","5","8","1") = "8"
    & skf18("9","3","3","6","5","9","1") = "8"
    & skf18("9","3","3","6","5","10","1") = "9"
    & skf18("9","3","3","6","6","1","1") = "8"
    & skf18("9","3","3","6","6","2","1") = "8"
    & skf18("9","3","3","6","6","3","1") = "8"
    & skf18("9","3","3","6","6","4","1") = "8"
    & skf18("9","3","3","6","6","5","1") = "8"
    & skf18("9","3","3","6","6","6","1") = "8"
    & skf18("9","3","3","6","6","7","1") = "8"
    & skf18("9","3","3","6","6","8","1") = "8"
    & skf18("9","3","3","6","6","9","1") = "8"
    & skf18("9","3","3","6","6","10","1") = "9"
    & skf18("9","3","3","6","7","1","1") = "8"
    & skf18("9","3","3","6","7","2","1") = "8"
    & skf18("9","3","3","6","7","3","1") = "8"
    & skf18("9","3","3","6","7","4","1") = "8"
    & skf18("9","3","3","6","7","5","1") = "8"
    & skf18("9","3","3","6","7","6","1") = "8"
    & skf18("9","3","3","6","7","7","1") = "8"
    & skf18("9","3","3","6","7","8","1") = "8"
    & skf18("9","3","3","6","7","9","1") = "8"
    & skf18("9","3","3","6","7","10","1") = "9"
    & skf18("9","3","3","6","8","1","1") = "8"
    & skf18("9","3","3","6","8","2","1") = "8"
    & skf18("9","3","3","6","8","3","1") = "8"
    & skf18("9","3","3","6","8","4","1") = "8"
    & skf18("9","3","3","6","8","5","1") = "8"
    & skf18("9","3","3","6","8","6","1") = "8"
    & skf18("9","3","3","6","8","7","1") = "8"
    & skf18("9","3","3","6","8","8","1") = "8"
    & skf18("9","3","3","6","8","9","1") = "8"
    & skf18("9","3","3","6","8","10","1") = "9"
    & skf18("9","3","3","6","9","1","1") = "8"
    & skf18("9","3","3","6","9","2","1") = "8"
    & skf18("9","3","3","6","9","3","1") = "8"
    & skf18("9","3","3","6","9","4","1") = "8"
    & skf18("9","3","3","6","9","5","1") = "8"
    & skf18("9","3","3","6","9","6","1") = "8"
    & skf18("9","3","3","6","9","7","1") = "8"
    & skf18("9","3","3","6","9","8","1") = "8"
    & skf18("9","3","3","6","9","9","1") = "8"
    & skf18("9","3","3","6","9","10","1") = "9"
    & skf18("9","3","3","6","10","1","1") = "9"
    & skf18("9","3","3","6","10","2","1") = "9"
    & skf18("9","3","3","6","10","3","1") = "9"
    & skf18("9","3","3","6","10","4","1") = "9"
    & skf18("9","3","3","6","10","5","1") = "9"
    & skf18("9","3","3","6","10","6","1") = "9"
    & skf18("9","3","3","6","10","7","1") = "9"
    & skf18("9","3","3","6","10","8","1") = "9"
    & skf18("9","3","3","6","10","9","1") = "9"
    & skf18("9","3","3","6","10","10","1") = "9"
    & skf18("9","3","3","7","1","1","1") = "8"
    & skf18("9","3","3","7","1","2","1") = "8"
    & skf18("9","3","3","7","1","3","1") = "8"
    & skf18("9","3","3","7","1","4","1") = "8"
    & skf18("9","3","3","7","1","5","1") = "8"
    & skf18("9","3","3","7","1","6","1") = "8"
    & skf18("9","3","3","7","1","7","1") = "8"
    & skf18("9","3","3","7","1","8","1") = "8"
    & skf18("9","3","3","7","1","9","1") = "8"
    & skf18("9","3","3","7","1","10","1") = "9"
    & skf18("9","3","3","7","2","1","1") = "8"
    & skf18("9","3","3","7","2","2","1") = "8"
    & skf18("9","3","3","7","2","3","1") = "8"
    & skf18("9","3","3","7","2","4","1") = "8"
    & skf18("9","3","3","7","2","5","1") = "8"
    & skf18("9","3","3","7","2","6","1") = "8"
    & skf18("9","3","3","7","2","7","1") = "8"
    & skf18("9","3","3","7","2","8","1") = "8"
    & skf18("9","3","3","7","2","9","1") = "8"
    & skf18("9","3","3","7","2","10","1") = "9"
    & skf18("9","3","3","7","3","1","1") = "8"
    & skf18("9","3","3","7","3","2","1") = "8"
    & skf18("9","3","3","7","3","3","1") = "8"
    & skf18("9","3","3","7","3","4","1") = "8"
    & skf18("9","3","3","7","3","5","1") = "8"
    & skf18("9","3","3","7","3","6","1") = "8"
    & skf18("9","3","3","7","3","7","1") = "8"
    & skf18("9","3","3","7","3","8","1") = "8"
    & skf18("9","3","3","7","3","9","1") = "8"
    & skf18("9","3","3","7","3","10","1") = "9"
    & skf18("9","3","3","7","4","1","1") = "8"
    & skf18("9","3","3","7","4","2","1") = "8"
    & skf18("9","3","3","7","4","3","1") = "8"
    & skf18("9","3","3","7","4","4","1") = "8"
    & skf18("9","3","3","7","4","5","1") = "8"
    & skf18("9","3","3","7","4","6","1") = "8"
    & skf18("9","3","3","7","4","7","1") = "8"
    & skf18("9","3","3","7","4","8","1") = "8"
    & skf18("9","3","3","7","4","9","1") = "8"
    & skf18("9","3","3","7","4","10","1") = "9"
    & skf18("9","3","3","7","5","1","1") = "8"
    & skf18("9","3","3","7","5","2","1") = "8"
    & skf18("9","3","3","7","5","3","1") = "8"
    & skf18("9","3","3","7","5","4","1") = "8"
    & skf18("9","3","3","7","5","5","1") = "8"
    & skf18("9","3","3","7","5","6","1") = "8"
    & skf18("9","3","3","7","5","7","1") = "8"
    & skf18("9","3","3","7","5","8","1") = "8"
    & skf18("9","3","3","7","5","9","1") = "8"
    & skf18("9","3","3","7","5","10","1") = "9"
    & skf18("9","3","3","7","6","1","1") = "8"
    & skf18("9","3","3","7","6","2","1") = "8"
    & skf18("9","3","3","7","6","3","1") = "8"
    & skf18("9","3","3","7","6","4","1") = "8"
    & skf18("9","3","3","7","6","5","1") = "8"
    & skf18("9","3","3","7","6","6","1") = "8"
    & skf18("9","3","3","7","6","7","1") = "8"
    & skf18("9","3","3","7","6","8","1") = "8"
    & skf18("9","3","3","7","6","9","1") = "8"
    & skf18("9","3","3","7","6","10","1") = "9"
    & skf18("9","3","3","7","7","1","1") = "8"
    & skf18("9","3","3","7","7","2","1") = "8"
    & skf18("9","3","3","7","7","3","1") = "8"
    & skf18("9","3","3","7","7","4","1") = "8"
    & skf18("9","3","3","7","7","5","1") = "8"
    & skf18("9","3","3","7","7","6","1") = "8"
    & skf18("9","3","3","7","7","7","1") = "8"
    & skf18("9","3","3","7","7","8","1") = "8"
    & skf18("9","3","3","7","7","9","1") = "8"
    & skf18("9","3","3","7","7","10","1") = "9"
    & skf18("9","3","3","7","8","1","1") = "8"
    & skf18("9","3","3","7","8","2","1") = "8"
    & skf18("9","3","3","7","8","3","1") = "8"
    & skf18("9","3","3","7","8","4","1") = "8"
    & skf18("9","3","3","7","8","5","1") = "8"
    & skf18("9","3","3","7","8","6","1") = "8"
    & skf18("9","3","3","7","8","7","1") = "8"
    & skf18("9","3","3","7","8","8","1") = "8"
    & skf18("9","3","3","7","8","9","1") = "8"
    & skf18("9","3","3","7","8","10","1") = "9"
    & skf18("9","3","3","7","9","1","1") = "8"
    & skf18("9","3","3","7","9","2","1") = "8"
    & skf18("9","3","3","7","9","3","1") = "8"
    & skf18("9","3","3","7","9","4","1") = "8"
    & skf18("9","3","3","7","9","5","1") = "8"
    & skf18("9","3","3","7","9","6","1") = "8"
    & skf18("9","3","3","7","9","7","1") = "8"
    & skf18("9","3","3","7","9","8","1") = "8"
    & skf18("9","3","3","7","9","9","1") = "8"
    & skf18("9","3","3","7","9","10","1") = "9"
    & skf18("9","3","3","7","10","1","1") = "9"
    & skf18("9","3","3","7","10","2","1") = "9"
    & skf18("9","3","3","7","10","3","1") = "9"
    & skf18("9","3","3","7","10","4","1") = "9"
    & skf18("9","3","3","7","10","5","1") = "9"
    & skf18("9","3","3","7","10","6","1") = "9"
    & skf18("9","3","3","7","10","7","1") = "9"
    & skf18("9","3","3","7","10","8","1") = "9"
    & skf18("9","3","3","7","10","9","1") = "9"
    & skf18("9","3","3","7","10","10","1") = "9"
    & skf18("9","3","3","8","1","1","1") = "8"
    & skf18("9","3","3","8","1","2","1") = "8"
    & skf18("9","3","3","8","1","3","1") = "8"
    & skf18("9","3","3","8","1","4","1") = "8"
    & skf18("9","3","3","8","1","5","1") = "8"
    & skf18("9","3","3","8","1","6","1") = "8"
    & skf18("9","3","3","8","1","7","1") = "8"
    & skf18("9","3","3","8","1","8","1") = "8"
    & skf18("9","3","3","8","1","9","1") = "8"
    & skf18("9","3","3","8","1","10","1") = "9"
    & skf18("9","3","3","8","2","1","1") = "8"
    & skf18("9","3","3","8","2","2","1") = "8"
    & skf18("9","3","3","8","2","3","1") = "8"
    & skf18("9","3","3","8","2","4","1") = "8"
    & skf18("9","3","3","8","2","5","1") = "8"
    & skf18("9","3","3","8","2","6","1") = "8"
    & skf18("9","3","3","8","2","7","1") = "8"
    & skf18("9","3","3","8","2","8","1") = "8"
    & skf18("9","3","3","8","2","9","1") = "8"
    & skf18("9","3","3","8","2","10","1") = "9"
    & skf18("9","3","3","8","3","1","1") = "8"
    & skf18("9","3","3","8","3","2","1") = "8"
    & skf18("9","3","3","8","3","3","1") = "8"
    & skf18("9","3","3","8","3","4","1") = "8"
    & skf18("9","3","3","8","3","5","1") = "8"
    & skf18("9","3","3","8","3","6","1") = "8"
    & skf18("9","3","3","8","3","7","1") = "8"
    & skf18("9","3","3","8","3","8","1") = "8"
    & skf18("9","3","3","8","3","9","1") = "8"
    & skf18("9","3","3","8","3","10","1") = "9"
    & skf18("9","3","3","8","4","1","1") = "8"
    & skf18("9","3","3","8","4","2","1") = "8"
    & skf18("9","3","3","8","4","3","1") = "8"
    & skf18("9","3","3","8","4","4","1") = "8"
    & skf18("9","3","3","8","4","5","1") = "8"
    & skf18("9","3","3","8","4","6","1") = "8"
    & skf18("9","3","3","8","4","7","1") = "8"
    & skf18("9","3","3","8","4","8","1") = "8"
    & skf18("9","3","3","8","4","9","1") = "8"
    & skf18("9","3","3","8","4","10","1") = "9"
    & skf18("9","3","3","8","5","1","1") = "8"
    & skf18("9","3","3","8","5","2","1") = "8"
    & skf18("9","3","3","8","5","3","1") = "8"
    & skf18("9","3","3","8","5","4","1") = "8"
    & skf18("9","3","3","8","5","5","1") = "8"
    & skf18("9","3","3","8","5","6","1") = "8"
    & skf18("9","3","3","8","5","7","1") = "8"
    & skf18("9","3","3","8","5","8","1") = "8"
    & skf18("9","3","3","8","5","9","1") = "8"
    & skf18("9","3","3","8","5","10","1") = "9"
    & skf18("9","3","3","8","6","1","1") = "8"
    & skf18("9","3","3","8","6","2","1") = "8"
    & skf18("9","3","3","8","6","3","1") = "8"
    & skf18("9","3","3","8","6","4","1") = "8"
    & skf18("9","3","3","8","6","5","1") = "8"
    & skf18("9","3","3","8","6","6","1") = "8"
    & skf18("9","3","3","8","6","7","1") = "8"
    & skf18("9","3","3","8","6","8","1") = "8"
    & skf18("9","3","3","8","6","9","1") = "8"
    & skf18("9","3","3","8","6","10","1") = "9"
    & skf18("9","3","3","8","7","1","1") = "8"
    & skf18("9","3","3","8","7","2","1") = "8"
    & skf18("9","3","3","8","7","3","1") = "8"
    & skf18("9","3","3","8","7","4","1") = "8"
    & skf18("9","3","3","8","7","5","1") = "8"
    & skf18("9","3","3","8","7","6","1") = "8"
    & skf18("9","3","3","8","7","7","1") = "8"
    & skf18("9","3","3","8","7","8","1") = "8"
    & skf18("9","3","3","8","7","9","1") = "8"
    & skf18("9","3","3","8","7","10","1") = "9"
    & skf18("9","3","3","8","8","1","1") = "8"
    & skf18("9","3","3","8","8","2","1") = "8"
    & skf18("9","3","3","8","8","3","1") = "8"
    & skf18("9","3","3","8","8","4","1") = "8"
    & skf18("9","3","3","8","8","5","1") = "8"
    & skf18("9","3","3","8","8","6","1") = "8"
    & skf18("9","3","3","8","8","7","1") = "8"
    & skf18("9","3","3","8","8","8","1") = "8"
    & skf18("9","3","3","8","8","9","1") = "8"
    & skf18("9","3","3","8","8","10","1") = "9"
    & skf18("9","3","3","8","9","1","1") = "8"
    & skf18("9","3","3","8","9","2","1") = "8"
    & skf18("9","3","3","8","9","3","1") = "8"
    & skf18("9","3","3","8","9","4","1") = "8"
    & skf18("9","3","3","8","9","5","1") = "8"
    & skf18("9","3","3","8","9","6","1") = "8"
    & skf18("9","3","3","8","9","7","1") = "8"
    & skf18("9","3","3","8","9","8","1") = "8"
    & skf18("9","3","3","8","9","9","1") = "8"
    & skf18("9","3","3","8","9","10","1") = "9"
    & skf18("9","3","3","8","10","1","1") = "9"
    & skf18("9","3","3","8","10","2","1") = "9"
    & skf18("9","3","3","8","10","3","1") = "9"
    & skf18("9","3","3","8","10","4","1") = "9"
    & skf18("9","3","3","8","10","5","1") = "9"
    & skf18("9","3","3","8","10","6","1") = "9"
    & skf18("9","3","3","8","10","7","1") = "9"
    & skf18("9","3","3","8","10","8","1") = "9"
    & skf18("9","3","3","8","10","9","1") = "9"
    & skf18("9","3","3","8","10","10","1") = "9"
    & skf18("9","3","3","9","1","1","1") = "8"
    & skf18("9","3","3","9","1","2","1") = "8"
    & skf18("9","3","3","9","1","3","1") = "8"
    & skf18("9","3","3","9","1","4","1") = "8"
    & skf18("9","3","3","9","1","5","1") = "8"
    & skf18("9","3","3","9","1","6","1") = "8"
    & skf18("9","3","3","9","1","7","1") = "8"
    & skf18("9","3","3","9","1","8","1") = "8"
    & skf18("9","3","3","9","1","9","1") = "8"
    & skf18("9","3","3","9","1","10","1") = "9"
    & skf18("9","3","3","9","2","1","1") = "8"
    & skf18("9","3","3","9","2","2","1") = "8"
    & skf18("9","3","3","9","2","3","1") = "8"
    & skf18("9","3","3","9","2","4","1") = "8"
    & skf18("9","3","3","9","2","5","1") = "8"
    & skf18("9","3","3","9","2","6","1") = "8"
    & skf18("9","3","3","9","2","7","1") = "8"
    & skf18("9","3","3","9","2","8","1") = "8"
    & skf18("9","3","3","9","2","9","1") = "8"
    & skf18("9","3","3","9","2","10","1") = "9"
    & skf18("9","3","3","9","3","1","1") = "8"
    & skf18("9","3","3","9","3","2","1") = "8"
    & skf18("9","3","3","9","3","3","1") = "8"
    & skf18("9","3","3","9","3","4","1") = "8"
    & skf18("9","3","3","9","3","5","1") = "8"
    & skf18("9","3","3","9","3","6","1") = "8"
    & skf18("9","3","3","9","3","7","1") = "8"
    & skf18("9","3","3","9","3","8","1") = "8"
    & skf18("9","3","3","9","3","9","1") = "8"
    & skf18("9","3","3","9","3","10","1") = "9"
    & skf18("9","3","3","9","4","1","1") = "8"
    & skf18("9","3","3","9","4","2","1") = "8"
    & skf18("9","3","3","9","4","3","1") = "8"
    & skf18("9","3","3","9","4","4","1") = "8"
    & skf18("9","3","3","9","4","5","1") = "8"
    & skf18("9","3","3","9","4","6","1") = "8"
    & skf18("9","3","3","9","4","7","1") = "8"
    & skf18("9","3","3","9","4","8","1") = "8"
    & skf18("9","3","3","9","4","9","1") = "8"
    & skf18("9","3","3","9","4","10","1") = "9"
    & skf18("9","3","3","9","5","1","1") = "8"
    & skf18("9","3","3","9","5","2","1") = "8"
    & skf18("9","3","3","9","5","3","1") = "8"
    & skf18("9","3","3","9","5","4","1") = "8"
    & skf18("9","3","3","9","5","5","1") = "8"
    & skf18("9","3","3","9","5","6","1") = "8"
    & skf18("9","3","3","9","5","7","1") = "8"
    & skf18("9","3","3","9","5","8","1") = "8"
    & skf18("9","3","3","9","5","9","1") = "8"
    & skf18("9","3","3","9","5","10","1") = "9"
    & skf18("9","3","3","9","6","1","1") = "8"
    & skf18("9","3","3","9","6","2","1") = "8"
    & skf18("9","3","3","9","6","3","1") = "8"
    & skf18("9","3","3","9","6","4","1") = "8"
    & skf18("9","3","3","9","6","5","1") = "8"
    & skf18("9","3","3","9","6","6","1") = "8"
    & skf18("9","3","3","9","6","7","1") = "8"
    & skf18("9","3","3","9","6","8","1") = "8"
    & skf18("9","3","3","9","6","9","1") = "8"
    & skf18("9","3","3","9","6","10","1") = "9"
    & skf18("9","3","3","9","7","1","1") = "8"
    & skf18("9","3","3","9","7","2","1") = "8"
    & skf18("9","3","3","9","7","3","1") = "8"
    & skf18("9","3","3","9","7","4","1") = "8"
    & skf18("9","3","3","9","7","5","1") = "8"
    & skf18("9","3","3","9","7","6","1") = "8"
    & skf18("9","3","3","9","7","7","1") = "8"
    & skf18("9","3","3","9","7","8","1") = "8"
    & skf18("9","3","3","9","7","9","1") = "8"
    & skf18("9","3","3","9","7","10","1") = "9"
    & skf18("9","3","3","9","8","1","1") = "8"
    & skf18("9","3","3","9","8","2","1") = "8"
    & skf18("9","3","3","9","8","3","1") = "8"
    & skf18("9","3","3","9","8","4","1") = "8"
    & skf18("9","3","3","9","8","5","1") = "8"
    & skf18("9","3","3","9","8","6","1") = "8"
    & skf18("9","3","3","9","8","7","1") = "8"
    & skf18("9","3","3","9","8","8","1") = "8"
    & skf18("9","3","3","9","8","9","1") = "8"
    & skf18("9","3","3","9","8","10","1") = "9"
    & skf18("9","3","3","9","9","1","1") = "8"
    & skf18("9","3","3","9","9","2","1") = "8"
    & skf18("9","3","3","9","9","3","1") = "8"
    & skf18("9","3","3","9","9","4","1") = "8"
    & skf18("9","3","3","9","9","5","1") = "8"
    & skf18("9","3","3","9","9","6","1") = "8"
    & skf18("9","3","3","9","9","7","1") = "8"
    & skf18("9","3","3","9","9","8","1") = "8"
    & skf18("9","3","3","9","9","9","1") = "8"
    & skf18("9","3","3","9","9","10","1") = "9"
    & skf18("9","3","3","9","10","1","1") = "9"
    & skf18("9","3","3","9","10","2","1") = "9"
    & skf18("9","3","3","9","10","3","1") = "9"
    & skf18("9","3","3","9","10","4","1") = "9"
    & skf18("9","3","3","9","10","5","1") = "9"
    & skf18("9","3","3","9","10","6","1") = "9"
    & skf18("9","3","3","9","10","7","1") = "9"
    & skf18("9","3","3","9","10","8","1") = "9"
    & skf18("9","3","3","9","10","9","1") = "9"
    & skf18("9","3","3","9","10","10","1") = "9"
    & skf18("9","3","3","10","1","1","1") = "9"
    & skf18("9","3","3","10","1","2","1") = "9"
    & skf18("9","3","3","10","1","3","1") = "9"
    & skf18("9","3","3","10","1","4","1") = "9"
    & skf18("9","3","3","10","1","5","1") = "9"
    & skf18("9","3","3","10","1","6","1") = "9"
    & skf18("9","3","3","10","1","7","1") = "9"
    & skf18("9","3","3","10","1","8","1") = "9"
    & skf18("9","3","3","10","1","9","1") = "9"
    & skf18("9","3","3","10","1","10","1") = "9"
    & skf18("9","3","3","10","2","1","1") = "9"
    & skf18("9","3","3","10","2","2","1") = "9"
    & skf18("9","3","3","10","2","3","1") = "9"
    & skf18("9","3","3","10","2","4","1") = "9"
    & skf18("9","3","3","10","2","5","1") = "9"
    & skf18("9","3","3","10","2","6","1") = "9"
    & skf18("9","3","3","10","2","7","1") = "9"
    & skf18("9","3","3","10","2","8","1") = "9"
    & skf18("9","3","3","10","2","9","1") = "9"
    & skf18("9","3","3","10","2","10","1") = "9"
    & skf18("9","3","3","10","3","1","1") = "9"
    & skf18("9","3","3","10","3","2","1") = "9"
    & skf18("9","3","3","10","3","3","1") = "9"
    & skf18("9","3","3","10","3","4","1") = "9"
    & skf18("9","3","3","10","3","5","1") = "9"
    & skf18("9","3","3","10","3","6","1") = "9"
    & skf18("9","3","3","10","3","7","1") = "9"
    & skf18("9","3","3","10","3","8","1") = "9"
    & skf18("9","3","3","10","3","9","1") = "9"
    & skf18("9","3","3","10","3","10","1") = "9"
    & skf18("9","3","3","10","4","1","1") = "9"
    & skf18("9","3","3","10","4","2","1") = "9"
    & skf18("9","3","3","10","4","3","1") = "9"
    & skf18("9","3","3","10","4","4","1") = "9"
    & skf18("9","3","3","10","4","5","1") = "9"
    & skf18("9","3","3","10","4","6","1") = "9"
    & skf18("9","3","3","10","4","7","1") = "9"
    & skf18("9","3","3","10","4","8","1") = "9"
    & skf18("9","3","3","10","4","9","1") = "9"
    & skf18("9","3","3","10","4","10","1") = "9"
    & skf18("9","3","3","10","5","1","1") = "9"
    & skf18("9","3","3","10","5","2","1") = "9"
    & skf18("9","3","3","10","5","3","1") = "9"
    & skf18("9","3","3","10","5","4","1") = "9"
    & skf18("9","3","3","10","5","5","1") = "9"
    & skf18("9","3","3","10","5","6","1") = "9"
    & skf18("9","3","3","10","5","7","1") = "9"
    & skf18("9","3","3","10","5","8","1") = "9"
    & skf18("9","3","3","10","5","9","1") = "9"
    & skf18("9","3","3","10","5","10","1") = "9"
    & skf18("9","3","3","10","6","1","1") = "9"
    & skf18("9","3","3","10","6","2","1") = "9"
    & skf18("9","3","3","10","6","3","1") = "9"
    & skf18("9","3","3","10","6","4","1") = "9"
    & skf18("9","3","3","10","6","5","1") = "9"
    & skf18("9","3","3","10","6","6","1") = "9"
    & skf18("9","3","3","10","6","7","1") = "9"
    & skf18("9","3","3","10","6","8","1") = "9"
    & skf18("9","3","3","10","6","9","1") = "9"
    & skf18("9","3","3","10","6","10","1") = "9"
    & skf18("9","3","3","10","7","1","1") = "9"
    & skf18("9","3","3","10","7","2","1") = "9"
    & skf18("9","3","3","10","7","3","1") = "9"
    & skf18("9","3","3","10","7","4","1") = "9"
    & skf18("9","3","3","10","7","5","1") = "9"
    & skf18("9","3","3","10","7","6","1") = "9"
    & skf18("9","3","3","10","7","7","1") = "9"
    & skf18("9","3","3","10","7","8","1") = "9"
    & skf18("9","3","3","10","7","9","1") = "9"
    & skf18("9","3","3","10","7","10","1") = "9"
    & skf18("9","3","3","10","8","1","1") = "9"
    & skf18("9","3","3","10","8","2","1") = "9"
    & skf18("9","3","3","10","8","3","1") = "9"
    & skf18("9","3","3","10","8","4","1") = "9"
    & skf18("9","3","3","10","8","5","1") = "9"
    & skf18("9","3","3","10","8","6","1") = "9"
    & skf18("9","3","3","10","8","7","1") = "9"
    & skf18("9","3","3","10","8","8","1") = "9"
    & skf18("9","3","3","10","8","9","1") = "9"
    & skf18("9","3","3","10","8","10","1") = "9"
    & skf18("9","3","3","10","9","1","1") = "9"
    & skf18("9","3","3","10","9","2","1") = "9"
    & skf18("9","3","3","10","9","3","1") = "9"
    & skf18("9","3","3","10","9","4","1") = "9"
    & skf18("9","3","3","10","9","5","1") = "9"
    & skf18("9","3","3","10","9","6","1") = "9"
    & skf18("9","3","3","10","9","7","1") = "9"
    & skf18("9","3","3","10","9","8","1") = "9"
    & skf18("9","3","3","10","9","9","1") = "9"
    & skf18("9","3","3","10","9","10","1") = "9"
    & skf18("9","3","3","10","10","1","1") = "9"
    & skf18("9","3","3","10","10","2","1") = "9"
    & skf18("9","3","3","10","10","3","1") = "9"
    & skf18("9","3","3","10","10","4","1") = "9"
    & skf18("9","3","3","10","10","5","1") = "9"
    & skf18("9","3","3","10","10","6","1") = "9"
    & skf18("9","3","3","10","10","7","1") = "9"
    & skf18("9","3","3","10","10","8","1") = "9"
    & skf18("9","3","3","10","10","9","1") = "9"
    & skf18("9","3","3","10","10","10","1") = "9"
    & skf18("9","3","4","1","1","1","1") = "8"
    & skf18("9","3","4","1","1","2","1") = "8"
    & skf18("9","3","4","1","1","3","1") = "8"
    & skf18("9","3","4","1","1","4","1") = "8"
    & skf18("9","3","4","1","1","5","1") = "8"
    & skf18("9","3","4","1","1","6","1") = "8"
    & skf18("9","3","4","1","1","7","1") = "8"
    & skf18("9","3","4","1","1","8","1") = "8"
    & skf18("9","3","4","1","1","9","1") = "8"
    & skf18("9","3","4","1","1","10","1") = "9"
    & skf18("9","3","4","1","2","1","1") = "8"
    & skf18("9","3","4","1","2","2","1") = "8"
    & skf18("9","3","4","1","2","3","1") = "8"
    & skf18("9","3","4","1","2","4","1") = "8"
    & skf18("9","3","4","1","2","5","1") = "8"
    & skf18("9","3","4","1","2","6","1") = "8"
    & skf18("9","3","4","1","2","7","1") = "8"
    & skf18("9","3","4","1","2","8","1") = "8"
    & skf18("9","3","4","1","2","9","1") = "8"
    & skf18("9","3","4","1","2","10","1") = "9"
    & skf18("9","3","4","1","3","1","1") = "8"
    & skf18("9","3","4","1","3","2","1") = "8"
    & skf18("9","3","4","1","3","3","1") = "8"
    & skf18("9","3","4","1","3","4","1") = "8"
    & skf18("9","3","4","1","3","5","1") = "8"
    & skf18("9","3","4","1","3","6","1") = "8"
    & skf18("9","3","4","1","3","7","1") = "8"
    & skf18("9","3","4","1","3","8","1") = "8"
    & skf18("9","3","4","1","3","9","1") = "8"
    & skf18("9","3","4","1","3","10","1") = "9"
    & skf18("9","3","4","1","4","1","1") = "8"
    & skf18("9","3","4","1","4","2","1") = "8"
    & skf18("9","3","4","1","4","3","1") = "8"
    & skf18("9","3","4","1","4","4","1") = "8"
    & skf18("9","3","4","1","4","5","1") = "8"
    & skf18("9","3","4","1","4","6","1") = "8"
    & skf18("9","3","4","1","4","7","1") = "8"
    & skf18("9","3","4","1","4","8","1") = "8"
    & skf18("9","3","4","1","4","9","1") = "8"
    & skf18("9","3","4","1","4","10","1") = "9"
    & skf18("9","3","4","1","5","1","1") = "8"
    & skf18("9","3","4","1","5","2","1") = "8"
    & skf18("9","3","4","1","5","3","1") = "8"
    & skf18("9","3","4","1","5","4","1") = "8"
    & skf18("9","3","4","1","5","5","1") = "8"
    & skf18("9","3","4","1","5","6","1") = "8"
    & skf18("9","3","4","1","5","7","1") = "8"
    & skf18("9","3","4","1","5","8","1") = "8"
    & skf18("9","3","4","1","5","9","1") = "8"
    & skf18("9","3","4","1","5","10","1") = "9"
    & skf18("9","3","4","1","6","1","1") = "8"
    & skf18("9","3","4","1","6","2","1") = "8"
    & skf18("9","3","4","1","6","3","1") = "8"
    & skf18("9","3","4","1","6","4","1") = "8"
    & skf18("9","3","4","1","6","5","1") = "8"
    & skf18("9","3","4","1","6","6","1") = "8"
    & skf18("9","3","4","1","6","7","1") = "8"
    & skf18("9","3","4","1","6","8","1") = "8"
    & skf18("9","3","4","1","6","9","1") = "8"
    & skf18("9","3","4","1","6","10","1") = "9"
    & skf18("9","3","4","1","7","1","1") = "8"
    & skf18("9","3","4","1","7","2","1") = "8"
    & skf18("9","3","4","1","7","3","1") = "8"
    & skf18("9","3","4","1","7","4","1") = "8"
    & skf18("9","3","4","1","7","5","1") = "8"
    & skf18("9","3","4","1","7","6","1") = "8"
    & skf18("9","3","4","1","7","7","1") = "8"
    & skf18("9","3","4","1","7","8","1") = "8"
    & skf18("9","3","4","1","7","9","1") = "8"
    & skf18("9","3","4","1","7","10","1") = "9"
    & skf18("9","3","4","1","8","1","1") = "8"
    & skf18("9","3","4","1","8","2","1") = "8"
    & skf18("9","3","4","1","8","3","1") = "8"
    & skf18("9","3","4","1","8","4","1") = "8"
    & skf18("9","3","4","1","8","5","1") = "8"
    & skf18("9","3","4","1","8","6","1") = "8"
    & skf18("9","3","4","1","8","7","1") = "8"
    & skf18("9","3","4","1","8","8","1") = "8"
    & skf18("9","3","4","1","8","9","1") = "8"
    & skf18("9","3","4","1","8","10","1") = "9"
    & skf18("9","3","4","1","9","1","1") = "8"
    & skf18("9","3","4","1","9","2","1") = "8"
    & skf18("9","3","4","1","9","3","1") = "8"
    & skf18("9","3","4","1","9","4","1") = "8"
    & skf18("9","3","4","1","9","5","1") = "8"
    & skf18("9","3","4","1","9","6","1") = "8"
    & skf18("9","3","4","1","9","7","1") = "8"
    & skf18("9","3","4","1","9","8","1") = "8"
    & skf18("9","3","4","1","9","9","1") = "8"
    & skf18("9","3","4","1","9","10","1") = "9"
    & skf18("9","3","4","1","10","1","1") = "9"
    & skf18("9","3","4","1","10","2","1") = "9"
    & skf18("9","3","4","1","10","3","1") = "9"
    & skf18("9","3","4","1","10","4","1") = "9"
    & skf18("9","3","4","1","10","5","1") = "9"
    & skf18("9","3","4","1","10","6","1") = "9"
    & skf18("9","3","4","1","10","7","1") = "9"
    & skf18("9","3","4","1","10","8","1") = "9"
    & skf18("9","3","4","1","10","9","1") = "9"
    & skf18("9","3","4","1","10","10","1") = "9"
    & skf18("9","3","4","2","1","1","1") = "8"
    & skf18("9","3","4","2","1","2","1") = "8"
    & skf18("9","3","4","2","1","3","1") = "8"
    & skf18("9","3","4","2","1","4","1") = "8"
    & skf18("9","3","4","2","1","5","1") = "8"
    & skf18("9","3","4","2","1","6","1") = "8"
    & skf18("9","3","4","2","1","7","1") = "8"
    & skf18("9","3","4","2","1","8","1") = "8"
    & skf18("9","3","4","2","1","9","1") = "8"
    & skf18("9","3","4","2","1","10","1") = "9"
    & skf18("9","3","4","2","2","1","1") = "8"
    & skf18("9","3","4","2","2","2","1") = "8"
    & skf18("9","3","4","2","2","3","1") = "8"
    & skf18("9","3","4","2","2","4","1") = "8"
    & skf18("9","3","4","2","2","5","1") = "8"
    & skf18("9","3","4","2","2","6","1") = "8"
    & skf18("9","3","4","2","2","7","1") = "8"
    & skf18("9","3","4","2","2","8","1") = "8"
    & skf18("9","3","4","2","2","9","1") = "8"
    & skf18("9","3","4","2","2","10","1") = "9"
    & skf18("9","3","4","2","3","1","1") = "8"
    & skf18("9","3","4","2","3","2","1") = "8"
    & skf18("9","3","4","2","3","3","1") = "8"
    & skf18("9","3","4","2","3","4","1") = "8"
    & skf18("9","3","4","2","3","5","1") = "8"
    & skf18("9","3","4","2","3","6","1") = "8"
    & skf18("9","3","4","2","3","7","1") = "8"
    & skf18("9","3","4","2","3","8","1") = "8"
    & skf18("9","3","4","2","3","9","1") = "8"
    & skf18("9","3","4","2","3","10","1") = "9"
    & skf18("9","3","4","2","4","1","1") = "8"
    & skf18("9","3","4","2","4","2","1") = "8"
    & skf18("9","3","4","2","4","3","1") = "8"
    & skf18("9","3","4","2","4","4","1") = "8"
    & skf18("9","3","4","2","4","5","1") = "8"
    & skf18("9","3","4","2","4","6","1") = "8"
    & skf18("9","3","4","2","4","7","1") = "8"
    & skf18("9","3","4","2","4","8","1") = "8"
    & skf18("9","3","4","2","4","9","1") = "8"
    & skf18("9","3","4","2","4","10","1") = "9"
    & skf18("9","3","4","2","5","1","1") = "8"
    & skf18("9","3","4","2","5","2","1") = "8"
    & skf18("9","3","4","2","5","3","1") = "8"
    & skf18("9","3","4","2","5","4","1") = "8"
    & skf18("9","3","4","2","5","5","1") = "8"
    & skf18("9","3","4","2","5","6","1") = "8"
    & skf18("9","3","4","2","5","7","1") = "8"
    & skf18("9","3","4","2","5","8","1") = "8"
    & skf18("9","3","4","2","5","9","1") = "8"
    & skf18("9","3","4","2","5","10","1") = "9"
    & skf18("9","3","4","2","6","1","1") = "8"
    & skf18("9","3","4","2","6","2","1") = "8"
    & skf18("9","3","4","2","6","3","1") = "8"
    & skf18("9","3","4","2","6","4","1") = "8"
    & skf18("9","3","4","2","6","5","1") = "8"
    & skf18("9","3","4","2","6","6","1") = "8"
    & skf18("9","3","4","2","6","7","1") = "8"
    & skf18("9","3","4","2","6","8","1") = "8"
    & skf18("9","3","4","2","6","9","1") = "8"
    & skf18("9","3","4","2","6","10","1") = "9"
    & skf18("9","3","4","2","7","1","1") = "8"
    & skf18("9","3","4","2","7","2","1") = "8"
    & skf18("9","3","4","2","7","3","1") = "8"
    & skf18("9","3","4","2","7","4","1") = "8"
    & skf18("9","3","4","2","7","5","1") = "8"
    & skf18("9","3","4","2","7","6","1") = "8"
    & skf18("9","3","4","2","7","7","1") = "8"
    & skf18("9","3","4","2","7","8","1") = "8"
    & skf18("9","3","4","2","7","9","1") = "8"
    & skf18("9","3","4","2","7","10","1") = "9"
    & skf18("9","3","4","2","8","1","1") = "8"
    & skf18("9","3","4","2","8","2","1") = "8"
    & skf18("9","3","4","2","8","3","1") = "8"
    & skf18("9","3","4","2","8","4","1") = "8"
    & skf18("9","3","4","2","8","5","1") = "8"
    & skf18("9","3","4","2","8","6","1") = "8"
    & skf18("9","3","4","2","8","7","1") = "8"
    & skf18("9","3","4","2","8","8","1") = "8"
    & skf18("9","3","4","2","8","9","1") = "8"
    & skf18("9","3","4","2","8","10","1") = "9"
    & skf18("9","3","4","2","9","1","1") = "8"
    & skf18("9","3","4","2","9","2","1") = "8"
    & skf18("9","3","4","2","9","3","1") = "8"
    & skf18("9","3","4","2","9","4","1") = "8"
    & skf18("9","3","4","2","9","5","1") = "8"
    & skf18("9","3","4","2","9","6","1") = "8"
    & skf18("9","3","4","2","9","7","1") = "8"
    & skf18("9","3","4","2","9","8","1") = "8"
    & skf18("9","3","4","2","9","9","1") = "8"
    & skf18("9","3","4","2","9","10","1") = "9"
    & skf18("9","3","4","2","10","1","1") = "9"
    & skf18("9","3","4","2","10","2","1") = "9"
    & skf18("9","3","4","2","10","3","1") = "9"
    & skf18("9","3","4","2","10","4","1") = "9"
    & skf18("9","3","4","2","10","5","1") = "9"
    & skf18("9","3","4","2","10","6","1") = "9"
    & skf18("9","3","4","2","10","7","1") = "9"
    & skf18("9","3","4","2","10","8","1") = "9"
    & skf18("9","3","4","2","10","9","1") = "9"
    & skf18("9","3","4","2","10","10","1") = "9"
    & skf18("9","3","4","3","1","1","1") = "8"
    & skf18("9","3","4","3","1","2","1") = "8"
    & skf18("9","3","4","3","1","3","1") = "8"
    & skf18("9","3","4","3","1","4","1") = "8"
    & skf18("9","3","4","3","1","5","1") = "8"
    & skf18("9","3","4","3","1","6","1") = "8"
    & skf18("9","3","4","3","1","7","1") = "8"
    & skf18("9","3","4","3","1","8","1") = "8"
    & skf18("9","3","4","3","1","9","1") = "8"
    & skf18("9","3","4","3","1","10","1") = "9"
    & skf18("9","3","4","3","2","1","1") = "8"
    & skf18("9","3","4","3","2","2","1") = "8"
    & skf18("9","3","4","3","2","3","1") = "8"
    & skf18("9","3","4","3","2","4","1") = "8"
    & skf18("9","3","4","3","2","5","1") = "8"
    & skf18("9","3","4","3","2","6","1") = "8"
    & skf18("9","3","4","3","2","7","1") = "8"
    & skf18("9","3","4","3","2","8","1") = "8"
    & skf18("9","3","4","3","2","9","1") = "8"
    & skf18("9","3","4","3","2","10","1") = "9"
    & skf18("9","3","4","3","3","1","1") = "8"
    & skf18("9","3","4","3","3","2","1") = "8"
    & skf18("9","3","4","3","3","3","1") = "8"
    & skf18("9","3","4","3","3","4","1") = "8"
    & skf18("9","3","4","3","3","5","1") = "8"
    & skf18("9","3","4","3","3","6","1") = "8"
    & skf18("9","3","4","3","3","7","1") = "8"
    & skf18("9","3","4","3","3","8","1") = "8"
    & skf18("9","3","4","3","3","9","1") = "8"
    & skf18("9","3","4","3","3","10","1") = "9"
    & skf18("9","3","4","3","4","1","1") = "8"
    & skf18("9","3","4","3","4","2","1") = "8"
    & skf18("9","3","4","3","4","3","1") = "8"
    & skf18("9","3","4","3","4","4","1") = "8"
    & skf18("9","3","4","3","4","5","1") = "8"
    & skf18("9","3","4","3","4","6","1") = "8"
    & skf18("9","3","4","3","4","7","1") = "8"
    & skf18("9","3","4","3","4","8","1") = "8"
    & skf18("9","3","4","3","4","9","1") = "8"
    & skf18("9","3","4","3","4","10","1") = "9"
    & skf18("9","3","4","3","5","1","1") = "8"
    & skf18("9","3","4","3","5","2","1") = "8"
    & skf18("9","3","4","3","5","3","1") = "8"
    & skf18("9","3","4","3","5","4","1") = "8"
    & skf18("9","3","4","3","5","5","1") = "8"
    & skf18("9","3","4","3","5","6","1") = "8"
    & skf18("9","3","4","3","5","7","1") = "8"
    & skf18("9","3","4","3","5","8","1") = "8"
    & skf18("9","3","4","3","5","9","1") = "8"
    & skf18("9","3","4","3","5","10","1") = "9"
    & skf18("9","3","4","3","6","1","1") = "8"
    & skf18("9","3","4","3","6","2","1") = "8"
    & skf18("9","3","4","3","6","3","1") = "8"
    & skf18("9","3","4","3","6","4","1") = "8"
    & skf18("9","3","4","3","6","5","1") = "8"
    & skf18("9","3","4","3","6","6","1") = "8"
    & skf18("9","3","4","3","6","7","1") = "8"
    & skf18("9","3","4","3","6","8","1") = "8"
    & skf18("9","3","4","3","6","9","1") = "8"
    & skf18("9","3","4","3","6","10","1") = "9"
    & skf18("9","3","4","3","7","1","1") = "8"
    & skf18("9","3","4","3","7","2","1") = "8"
    & skf18("9","3","4","3","7","3","1") = "8"
    & skf18("9","3","4","3","7","4","1") = "8"
    & skf18("9","3","4","3","7","5","1") = "8"
    & skf18("9","3","4","3","7","6","1") = "8"
    & skf18("9","3","4","3","7","7","1") = "8"
    & skf18("9","3","4","3","7","8","1") = "8"
    & skf18("9","3","4","3","7","9","1") = "8"
    & skf18("9","3","4","3","7","10","1") = "9"
    & skf18("9","3","4","3","8","1","1") = "8"
    & skf18("9","3","4","3","8","2","1") = "8"
    & skf18("9","3","4","3","8","3","1") = "8"
    & skf18("9","3","4","3","8","4","1") = "8"
    & skf18("9","3","4","3","8","5","1") = "8"
    & skf18("9","3","4","3","8","6","1") = "8"
    & skf18("9","3","4","3","8","7","1") = "8"
    & skf18("9","3","4","3","8","8","1") = "8"
    & skf18("9","3","4","3","8","9","1") = "8"
    & skf18("9","3","4","3","8","10","1") = "9"
    & skf18("9","3","4","3","9","1","1") = "8"
    & skf18("9","3","4","3","9","2","1") = "8"
    & skf18("9","3","4","3","9","3","1") = "8"
    & skf18("9","3","4","3","9","4","1") = "8"
    & skf18("9","3","4","3","9","5","1") = "8"
    & skf18("9","3","4","3","9","6","1") = "8"
    & skf18("9","3","4","3","9","7","1") = "8"
    & skf18("9","3","4","3","9","8","1") = "8"
    & skf18("9","3","4","3","9","9","1") = "8"
    & skf18("9","3","4","3","9","10","1") = "9"
    & skf18("9","3","4","3","10","1","1") = "9"
    & skf18("9","3","4","3","10","2","1") = "9"
    & skf18("9","3","4","3","10","3","1") = "9"
    & skf18("9","3","4","3","10","4","1") = "9"
    & skf18("9","3","4","3","10","5","1") = "9"
    & skf18("9","3","4","3","10","6","1") = "9"
    & skf18("9","3","4","3","10","7","1") = "9"
    & skf18("9","3","4","3","10","8","1") = "9"
    & skf18("9","3","4","3","10","9","1") = "9"
    & skf18("9","3","4","3","10","10","1") = "9"
    & skf18("9","3","4","4","1","1","1") = "8"
    & skf18("9","3","4","4","1","2","1") = "8"
    & skf18("9","3","4","4","1","3","1") = "8"
    & skf18("9","3","4","4","1","4","1") = "8"
    & skf18("9","3","4","4","1","5","1") = "8"
    & skf18("9","3","4","4","1","6","1") = "8"
    & skf18("9","3","4","4","1","7","1") = "8"
    & skf18("9","3","4","4","1","8","1") = "8"
    & skf18("9","3","4","4","1","9","1") = "8"
    & skf18("9","3","4","4","1","10","1") = "9"
    & skf18("9","3","4","4","2","1","1") = "8"
    & skf18("9","3","4","4","2","2","1") = "8"
    & skf18("9","3","4","4","2","3","1") = "8"
    & skf18("9","3","4","4","2","4","1") = "8"
    & skf18("9","3","4","4","2","5","1") = "8"
    & skf18("9","3","4","4","2","6","1") = "8"
    & skf18("9","3","4","4","2","7","1") = "8"
    & skf18("9","3","4","4","2","8","1") = "8"
    & skf18("9","3","4","4","2","9","1") = "8"
    & skf18("9","3","4","4","2","10","1") = "9"
    & skf18("9","3","4","4","3","1","1") = "8"
    & skf18("9","3","4","4","3","2","1") = "8"
    & skf18("9","3","4","4","3","3","1") = "8"
    & skf18("9","3","4","4","3","4","1") = "8"
    & skf18("9","3","4","4","3","5","1") = "8"
    & skf18("9","3","4","4","3","6","1") = "8"
    & skf18("9","3","4","4","3","7","1") = "8"
    & skf18("9","3","4","4","3","8","1") = "8"
    & skf18("9","3","4","4","3","9","1") = "8"
    & skf18("9","3","4","4","3","10","1") = "9"
    & skf18("9","3","4","4","4","1","1") = "8"
    & skf18("9","3","4","4","4","2","1") = "8"
    & skf18("9","3","4","4","4","3","1") = "8"
    & skf18("9","3","4","4","4","4","1") = "8"
    & skf18("9","3","4","4","4","5","1") = "8"
    & skf18("9","3","4","4","4","6","1") = "8"
    & skf18("9","3","4","4","4","7","1") = "8"
    & skf18("9","3","4","4","4","8","1") = "8"
    & skf18("9","3","4","4","4","9","1") = "8"
    & skf18("9","3","4","4","4","10","1") = "9"
    & skf18("9","3","4","4","5","1","1") = "8"
    & skf18("9","3","4","4","5","2","1") = "8"
    & skf18("9","3","4","4","5","3","1") = "8"
    & skf18("9","3","4","4","5","4","1") = "8"
    & skf18("9","3","4","4","5","5","1") = "8"
    & skf18("9","3","4","4","5","6","1") = "8"
    & skf18("9","3","4","4","5","7","1") = "8"
    & skf18("9","3","4","4","5","8","1") = "8"
    & skf18("9","3","4","4","5","9","1") = "8"
    & skf18("9","3","4","4","5","10","1") = "9"
    & skf18("9","3","4","4","6","1","1") = "8"
    & skf18("9","3","4","4","6","2","1") = "8"
    & skf18("9","3","4","4","6","3","1") = "8"
    & skf18("9","3","4","4","6","4","1") = "8"
    & skf18("9","3","4","4","6","5","1") = "8"
    & skf18("9","3","4","4","6","6","1") = "8"
    & skf18("9","3","4","4","6","7","1") = "8"
    & skf18("9","3","4","4","6","8","1") = "8"
    & skf18("9","3","4","4","6","9","1") = "8"
    & skf18("9","3","4","4","6","10","1") = "9"
    & skf18("9","3","4","4","7","1","1") = "8"
    & skf18("9","3","4","4","7","2","1") = "8"
    & skf18("9","3","4","4","7","3","1") = "8"
    & skf18("9","3","4","4","7","4","1") = "8"
    & skf18("9","3","4","4","7","5","1") = "8"
    & skf18("9","3","4","4","7","6","1") = "8"
    & skf18("9","3","4","4","7","7","1") = "8"
    & skf18("9","3","4","4","7","8","1") = "8"
    & skf18("9","3","4","4","7","9","1") = "8"
    & skf18("9","3","4","4","7","10","1") = "9"
    & skf18("9","3","4","4","8","1","1") = "8"
    & skf18("9","3","4","4","8","2","1") = "8"
    & skf18("9","3","4","4","8","3","1") = "8"
    & skf18("9","3","4","4","8","4","1") = "8"
    & skf18("9","3","4","4","8","5","1") = "8"
    & skf18("9","3","4","4","8","6","1") = "8"
    & skf18("9","3","4","4","8","7","1") = "8"
    & skf18("9","3","4","4","8","8","1") = "8"
    & skf18("9","3","4","4","8","9","1") = "8"
    & skf18("9","3","4","4","8","10","1") = "9"
    & skf18("9","3","4","4","9","1","1") = "8"
    & skf18("9","3","4","4","9","2","1") = "8"
    & skf18("9","3","4","4","9","3","1") = "8"
    & skf18("9","3","4","4","9","4","1") = "8"
    & skf18("9","3","4","4","9","5","1") = "8"
    & skf18("9","3","4","4","9","6","1") = "8"
    & skf18("9","3","4","4","9","7","1") = "8"
    & skf18("9","3","4","4","9","8","1") = "8"
    & skf18("9","3","4","4","9","9","1") = "8"
    & skf18("9","3","4","4","9","10","1") = "9"
    & skf18("9","3","4","4","10","1","1") = "9"
    & skf18("9","3","4","4","10","2","1") = "9"
    & skf18("9","3","4","4","10","3","1") = "9"
    & skf18("9","3","4","4","10","4","1") = "9"
    & skf18("9","3","4","4","10","5","1") = "9"
    & skf18("9","3","4","4","10","6","1") = "9"
    & skf18("9","3","4","4","10","7","1") = "9"
    & skf18("9","3","4","4","10","8","1") = "9"
    & skf18("9","3","4","4","10","9","1") = "9"
    & skf18("9","3","4","4","10","10","1") = "9"
    & skf18("9","3","4","5","1","1","1") = "8"
    & skf18("9","3","4","5","1","2","1") = "8"
    & skf18("9","3","4","5","1","3","1") = "8"
    & skf18("9","3","4","5","1","4","1") = "8"
    & skf18("9","3","4","5","1","5","1") = "8"
    & skf18("9","3","4","5","1","6","1") = "8"
    & skf18("9","3","4","5","1","7","1") = "8"
    & skf18("9","3","4","5","1","8","1") = "8"
    & skf18("9","3","4","5","1","9","1") = "8"
    & skf18("9","3","4","5","1","10","1") = "9"
    & skf18("9","3","4","5","2","1","1") = "8"
    & skf18("9","3","4","5","2","2","1") = "8"
    & skf18("9","3","4","5","2","3","1") = "8"
    & skf18("9","3","4","5","2","4","1") = "8"
    & skf18("9","3","4","5","2","5","1") = "8"
    & skf18("9","3","4","5","2","6","1") = "8"
    & skf18("9","3","4","5","2","7","1") = "8"
    & skf18("9","3","4","5","2","8","1") = "8"
    & skf18("9","3","4","5","2","9","1") = "8"
    & skf18("9","3","4","5","2","10","1") = "9"
    & skf18("9","3","4","5","3","1","1") = "8"
    & skf18("9","3","4","5","3","2","1") = "8"
    & skf18("9","3","4","5","3","3","1") = "8"
    & skf18("9","3","4","5","3","4","1") = "8"
    & skf18("9","3","4","5","3","5","1") = "8"
    & skf18("9","3","4","5","3","6","1") = "8"
    & skf18("9","3","4","5","3","7","1") = "8"
    & skf18("9","3","4","5","3","8","1") = "8"
    & skf18("9","3","4","5","3","9","1") = "8"
    & skf18("9","3","4","5","3","10","1") = "9"
    & skf18("9","3","4","5","4","1","1") = "8"
    & skf18("9","3","4","5","4","2","1") = "8"
    & skf18("9","3","4","5","4","3","1") = "8"
    & skf18("9","3","4","5","4","4","1") = "8"
    & skf18("9","3","4","5","4","5","1") = "8"
    & skf18("9","3","4","5","4","6","1") = "8"
    & skf18("9","3","4","5","4","7","1") = "8"
    & skf18("9","3","4","5","4","8","1") = "8"
    & skf18("9","3","4","5","4","9","1") = "8"
    & skf18("9","3","4","5","4","10","1") = "9"
    & skf18("9","3","4","5","5","1","1") = "8"
    & skf18("9","3","4","5","5","2","1") = "8"
    & skf18("9","3","4","5","5","3","1") = "8"
    & skf18("9","3","4","5","5","4","1") = "8"
    & skf18("9","3","4","5","5","5","1") = "8"
    & skf18("9","3","4","5","5","6","1") = "8"
    & skf18("9","3","4","5","5","7","1") = "8"
    & skf18("9","3","4","5","5","8","1") = "8"
    & skf18("9","3","4","5","5","9","1") = "8"
    & skf18("9","3","4","5","5","10","1") = "9"
    & skf18("9","3","4","5","6","1","1") = "8"
    & skf18("9","3","4","5","6","2","1") = "8"
    & skf18("9","3","4","5","6","3","1") = "8"
    & skf18("9","3","4","5","6","4","1") = "8"
    & skf18("9","3","4","5","6","5","1") = "8"
    & skf18("9","3","4","5","6","6","1") = "8"
    & skf18("9","3","4","5","6","7","1") = "8"
    & skf18("9","3","4","5","6","8","1") = "8"
    & skf18("9","3","4","5","6","9","1") = "8"
    & skf18("9","3","4","5","6","10","1") = "9"
    & skf18("9","3","4","5","7","1","1") = "8"
    & skf18("9","3","4","5","7","2","1") = "8"
    & skf18("9","3","4","5","7","3","1") = "8"
    & skf18("9","3","4","5","7","4","1") = "8"
    & skf18("9","3","4","5","7","5","1") = "8"
    & skf18("9","3","4","5","7","6","1") = "8"
    & skf18("9","3","4","5","7","7","1") = "8"
    & skf18("9","3","4","5","7","8","1") = "8"
    & skf18("9","3","4","5","7","9","1") = "8"
    & skf18("9","3","4","5","7","10","1") = "9"
    & skf18("9","3","4","5","8","1","1") = "8"
    & skf18("9","3","4","5","8","2","1") = "8"
    & skf18("9","3","4","5","8","3","1") = "8"
    & skf18("9","3","4","5","8","4","1") = "8"
    & skf18("9","3","4","5","8","5","1") = "8"
    & skf18("9","3","4","5","8","6","1") = "8"
    & skf18("9","3","4","5","8","7","1") = "8"
    & skf18("9","3","4","5","8","8","1") = "8"
    & skf18("9","3","4","5","8","9","1") = "8"
    & skf18("9","3","4","5","8","10","1") = "9"
    & skf18("9","3","4","5","9","1","1") = "8"
    & skf18("9","3","4","5","9","2","1") = "8"
    & skf18("9","3","4","5","9","3","1") = "8"
    & skf18("9","3","4","5","9","4","1") = "8"
    & skf18("9","3","4","5","9","5","1") = "8"
    & skf18("9","3","4","5","9","6","1") = "8"
    & skf18("9","3","4","5","9","7","1") = "8"
    & skf18("9","3","4","5","9","8","1") = "8"
    & skf18("9","3","4","5","9","9","1") = "8"
    & skf18("9","3","4","5","9","10","1") = "9"
    & skf18("9","3","4","5","10","1","1") = "9"
    & skf18("9","3","4","5","10","2","1") = "9"
    & skf18("9","3","4","5","10","3","1") = "9"
    & skf18("9","3","4","5","10","4","1") = "9"
    & skf18("9","3","4","5","10","5","1") = "9"
    & skf18("9","3","4","5","10","6","1") = "9"
    & skf18("9","3","4","5","10","7","1") = "9"
    & skf18("9","3","4","5","10","8","1") = "9"
    & skf18("9","3","4","5","10","9","1") = "9"
    & skf18("9","3","4","5","10","10","1") = "9"
    & skf18("9","3","4","6","1","1","1") = "8"
    & skf18("9","3","4","6","1","2","1") = "8"
    & skf18("9","3","4","6","1","3","1") = "8"
    & skf18("9","3","4","6","1","4","1") = "8"
    & skf18("9","3","4","6","1","5","1") = "8"
    & skf18("9","3","4","6","1","6","1") = "8"
    & skf18("9","3","4","6","1","7","1") = "8"
    & skf18("9","3","4","6","1","8","1") = "8"
    & skf18("9","3","4","6","1","9","1") = "8"
    & skf18("9","3","4","6","1","10","1") = "9"
    & skf18("9","3","4","6","2","1","1") = "8"
    & skf18("9","3","4","6","2","2","1") = "8"
    & skf18("9","3","4","6","2","3","1") = "8"
    & skf18("9","3","4","6","2","4","1") = "8"
    & skf18("9","3","4","6","2","5","1") = "8"
    & skf18("9","3","4","6","2","6","1") = "8"
    & skf18("9","3","4","6","2","7","1") = "8"
    & skf18("9","3","4","6","2","8","1") = "8"
    & skf18("9","3","4","6","2","9","1") = "8"
    & skf18("9","3","4","6","2","10","1") = "9"
    & skf18("9","3","4","6","3","1","1") = "8"
    & skf18("9","3","4","6","3","2","1") = "8"
    & skf18("9","3","4","6","3","3","1") = "8"
    & skf18("9","3","4","6","3","4","1") = "8"
    & skf18("9","3","4","6","3","5","1") = "8"
    & skf18("9","3","4","6","3","6","1") = "8"
    & skf18("9","3","4","6","3","7","1") = "8"
    & skf18("9","3","4","6","3","8","1") = "8"
    & skf18("9","3","4","6","3","9","1") = "8"
    & skf18("9","3","4","6","3","10","1") = "9"
    & skf18("9","3","4","6","4","1","1") = "8"
    & skf18("9","3","4","6","4","2","1") = "8"
    & skf18("9","3","4","6","4","3","1") = "8"
    & skf18("9","3","4","6","4","4","1") = "8"
    & skf18("9","3","4","6","4","5","1") = "8"
    & skf18("9","3","4","6","4","6","1") = "8"
    & skf18("9","3","4","6","4","7","1") = "8"
    & skf18("9","3","4","6","4","8","1") = "8"
    & skf18("9","3","4","6","4","9","1") = "8"
    & skf18("9","3","4","6","4","10","1") = "9"
    & skf18("9","3","4","6","5","1","1") = "8"
    & skf18("9","3","4","6","5","2","1") = "8"
    & skf18("9","3","4","6","5","3","1") = "8"
    & skf18("9","3","4","6","5","4","1") = "8"
    & skf18("9","3","4","6","5","5","1") = "8"
    & skf18("9","3","4","6","5","6","1") = "8"
    & skf18("9","3","4","6","5","7","1") = "8"
    & skf18("9","3","4","6","5","8","1") = "8"
    & skf18("9","3","4","6","5","9","1") = "8"
    & skf18("9","3","4","6","5","10","1") = "9"
    & skf18("9","3","4","6","6","1","1") = "8"
    & skf18("9","3","4","6","6","2","1") = "8"
    & skf18("9","3","4","6","6","3","1") = "8"
    & skf18("9","3","4","6","6","4","1") = "8"
    & skf18("9","3","4","6","6","5","1") = "8"
    & skf18("9","3","4","6","6","6","1") = "8"
    & skf18("9","3","4","6","6","7","1") = "8"
    & skf18("9","3","4","6","6","8","1") = "8"
    & skf18("9","3","4","6","6","9","1") = "8"
    & skf18("9","3","4","6","6","10","1") = "9"
    & skf18("9","3","4","6","7","1","1") = "8"
    & skf18("9","3","4","6","7","2","1") = "8"
    & skf18("9","3","4","6","7","3","1") = "8"
    & skf18("9","3","4","6","7","4","1") = "8"
    & skf18("9","3","4","6","7","5","1") = "8"
    & skf18("9","3","4","6","7","6","1") = "8"
    & skf18("9","3","4","6","7","7","1") = "8"
    & skf18("9","3","4","6","7","8","1") = "8"
    & skf18("9","3","4","6","7","9","1") = "8"
    & skf18("9","3","4","6","7","10","1") = "9"
    & skf18("9","3","4","6","8","1","1") = "8"
    & skf18("9","3","4","6","8","2","1") = "8"
    & skf18("9","3","4","6","8","3","1") = "8"
    & skf18("9","3","4","6","8","4","1") = "8"
    & skf18("9","3","4","6","8","5","1") = "8"
    & skf18("9","3","4","6","8","6","1") = "8"
    & skf18("9","3","4","6","8","7","1") = "8"
    & skf18("9","3","4","6","8","8","1") = "8"
    & skf18("9","3","4","6","8","9","1") = "8"
    & skf18("9","3","4","6","8","10","1") = "9"
    & skf18("9","3","4","6","9","1","1") = "8"
    & skf18("9","3","4","6","9","2","1") = "8"
    & skf18("9","3","4","6","9","3","1") = "8"
    & skf18("9","3","4","6","9","4","1") = "8"
    & skf18("9","3","4","6","9","5","1") = "8"
    & skf18("9","3","4","6","9","6","1") = "8"
    & skf18("9","3","4","6","9","7","1") = "8"
    & skf18("9","3","4","6","9","8","1") = "8"
    & skf18("9","3","4","6","9","9","1") = "8"
    & skf18("9","3","4","6","9","10","1") = "9"
    & skf18("9","3","4","6","10","1","1") = "9"
    & skf18("9","3","4","6","10","2","1") = "9"
    & skf18("9","3","4","6","10","3","1") = "9"
    & skf18("9","3","4","6","10","4","1") = "9"
    & skf18("9","3","4","6","10","5","1") = "9"
    & skf18("9","3","4","6","10","6","1") = "9"
    & skf18("9","3","4","6","10","7","1") = "9"
    & skf18("9","3","4","6","10","8","1") = "9"
    & skf18("9","3","4","6","10","9","1") = "9"
    & skf18("9","3","4","6","10","10","1") = "9"
    & skf18("9","3","4","7","1","1","1") = "8"
    & skf18("9","3","4","7","1","2","1") = "8"
    & skf18("9","3","4","7","1","3","1") = "8"
    & skf18("9","3","4","7","1","4","1") = "8"
    & skf18("9","3","4","7","1","5","1") = "8"
    & skf18("9","3","4","7","1","6","1") = "8"
    & skf18("9","3","4","7","1","7","1") = "8"
    & skf18("9","3","4","7","1","8","1") = "8"
    & skf18("9","3","4","7","1","9","1") = "8"
    & skf18("9","3","4","7","1","10","1") = "9"
    & skf18("9","3","4","7","2","1","1") = "8"
    & skf18("9","3","4","7","2","2","1") = "8"
    & skf18("9","3","4","7","2","3","1") = "8"
    & skf18("9","3","4","7","2","4","1") = "8"
    & skf18("9","3","4","7","2","5","1") = "8"
    & skf18("9","3","4","7","2","6","1") = "8"
    & skf18("9","3","4","7","2","7","1") = "8"
    & skf18("9","3","4","7","2","8","1") = "8"
    & skf18("9","3","4","7","2","9","1") = "8"
    & skf18("9","3","4","7","2","10","1") = "9"
    & skf18("9","3","4","7","3","1","1") = "8"
    & skf18("9","3","4","7","3","2","1") = "8"
    & skf18("9","3","4","7","3","3","1") = "8"
    & skf18("9","3","4","7","3","4","1") = "8"
    & skf18("9","3","4","7","3","5","1") = "8"
    & skf18("9","3","4","7","3","6","1") = "8"
    & skf18("9","3","4","7","3","7","1") = "8"
    & skf18("9","3","4","7","3","8","1") = "8"
    & skf18("9","3","4","7","3","9","1") = "8"
    & skf18("9","3","4","7","3","10","1") = "9"
    & skf18("9","3","4","7","4","1","1") = "8"
    & skf18("9","3","4","7","4","2","1") = "8"
    & skf18("9","3","4","7","4","3","1") = "8"
    & skf18("9","3","4","7","4","4","1") = "8"
    & skf18("9","3","4","7","4","5","1") = "8"
    & skf18("9","3","4","7","4","6","1") = "8"
    & skf18("9","3","4","7","4","7","1") = "8"
    & skf18("9","3","4","7","4","8","1") = "8"
    & skf18("9","3","4","7","4","9","1") = "8"
    & skf18("9","3","4","7","4","10","1") = "9"
    & skf18("9","3","4","7","5","1","1") = "8"
    & skf18("9","3","4","7","5","2","1") = "8"
    & skf18("9","3","4","7","5","3","1") = "8"
    & skf18("9","3","4","7","5","4","1") = "8"
    & skf18("9","3","4","7","5","5","1") = "8"
    & skf18("9","3","4","7","5","6","1") = "8"
    & skf18("9","3","4","7","5","7","1") = "8"
    & skf18("9","3","4","7","5","8","1") = "8"
    & skf18("9","3","4","7","5","9","1") = "8"
    & skf18("9","3","4","7","5","10","1") = "9"
    & skf18("9","3","4","7","6","1","1") = "8"
    & skf18("9","3","4","7","6","2","1") = "8"
    & skf18("9","3","4","7","6","3","1") = "8"
    & skf18("9","3","4","7","6","4","1") = "8"
    & skf18("9","3","4","7","6","5","1") = "8"
    & skf18("9","3","4","7","6","6","1") = "8"
    & skf18("9","3","4","7","6","7","1") = "8"
    & skf18("9","3","4","7","6","8","1") = "8"
    & skf18("9","3","4","7","6","9","1") = "8"
    & skf18("9","3","4","7","6","10","1") = "9"
    & skf18("9","3","4","7","7","1","1") = "8"
    & skf18("9","3","4","7","7","2","1") = "8"
    & skf18("9","3","4","7","7","3","1") = "8"
    & skf18("9","3","4","7","7","4","1") = "8"
    & skf18("9","3","4","7","7","5","1") = "8"
    & skf18("9","3","4","7","7","6","1") = "8"
    & skf18("9","3","4","7","7","7","1") = "8"
    & skf18("9","3","4","7","7","8","1") = "8"
    & skf18("9","3","4","7","7","9","1") = "8"
    & skf18("9","3","4","7","7","10","1") = "9"
    & skf18("9","3","4","7","8","1","1") = "8"
    & skf18("9","3","4","7","8","2","1") = "8"
    & skf18("9","3","4","7","8","3","1") = "8"
    & skf18("9","3","4","7","8","4","1") = "8"
    & skf18("9","3","4","7","8","5","1") = "8"
    & skf18("9","3","4","7","8","6","1") = "8"
    & skf18("9","3","4","7","8","7","1") = "8"
    & skf18("9","3","4","7","8","8","1") = "8"
    & skf18("9","3","4","7","8","9","1") = "8"
    & skf18("9","3","4","7","8","10","1") = "9"
    & skf18("9","3","4","7","9","1","1") = "8"
    & skf18("9","3","4","7","9","2","1") = "8"
    & skf18("9","3","4","7","9","3","1") = "8"
    & skf18("9","3","4","7","9","4","1") = "8"
    & skf18("9","3","4","7","9","5","1") = "8"
    & skf18("9","3","4","7","9","6","1") = "8"
    & skf18("9","3","4","7","9","7","1") = "8"
    & skf18("9","3","4","7","9","8","1") = "8"
    & skf18("9","3","4","7","9","9","1") = "8"
    & skf18("9","3","4","7","9","10","1") = "9"
    & skf18("9","3","4","7","10","1","1") = "9"
    & skf18("9","3","4","7","10","2","1") = "9"
    & skf18("9","3","4","7","10","3","1") = "9"
    & skf18("9","3","4","7","10","4","1") = "9"
    & skf18("9","3","4","7","10","5","1") = "9"
    & skf18("9","3","4","7","10","6","1") = "9"
    & skf18("9","3","4","7","10","7","1") = "9"
    & skf18("9","3","4","7","10","8","1") = "9"
    & skf18("9","3","4","7","10","9","1") = "9"
    & skf18("9","3","4","7","10","10","1") = "9"
    & skf18("9","3","4","8","1","1","1") = "8"
    & skf18("9","3","4","8","1","2","1") = "8"
    & skf18("9","3","4","8","1","3","1") = "8"
    & skf18("9","3","4","8","1","4","1") = "8"
    & skf18("9","3","4","8","1","5","1") = "8"
    & skf18("9","3","4","8","1","6","1") = "8"
    & skf18("9","3","4","8","1","7","1") = "8"
    & skf18("9","3","4","8","1","8","1") = "8"
    & skf18("9","3","4","8","1","9","1") = "8"
    & skf18("9","3","4","8","1","10","1") = "9"
    & skf18("9","3","4","8","2","1","1") = "8"
    & skf18("9","3","4","8","2","2","1") = "8"
    & skf18("9","3","4","8","2","3","1") = "8"
    & skf18("9","3","4","8","2","4","1") = "8"
    & skf18("9","3","4","8","2","5","1") = "8"
    & skf18("9","3","4","8","2","6","1") = "8"
    & skf18("9","3","4","8","2","7","1") = "8"
    & skf18("9","3","4","8","2","8","1") = "8"
    & skf18("9","3","4","8","2","9","1") = "8"
    & skf18("9","3","4","8","2","10","1") = "9"
    & skf18("9","3","4","8","3","1","1") = "8"
    & skf18("9","3","4","8","3","2","1") = "8"
    & skf18("9","3","4","8","3","3","1") = "8"
    & skf18("9","3","4","8","3","4","1") = "8"
    & skf18("9","3","4","8","3","5","1") = "8"
    & skf18("9","3","4","8","3","6","1") = "8"
    & skf18("9","3","4","8","3","7","1") = "8"
    & skf18("9","3","4","8","3","8","1") = "8"
    & skf18("9","3","4","8","3","9","1") = "8"
    & skf18("9","3","4","8","3","10","1") = "9"
    & skf18("9","3","4","8","4","1","1") = "8"
    & skf18("9","3","4","8","4","2","1") = "8"
    & skf18("9","3","4","8","4","3","1") = "8"
    & skf18("9","3","4","8","4","4","1") = "8"
    & skf18("9","3","4","8","4","5","1") = "8"
    & skf18("9","3","4","8","4","6","1") = "8"
    & skf18("9","3","4","8","4","7","1") = "8"
    & skf18("9","3","4","8","4","8","1") = "8"
    & skf18("9","3","4","8","4","9","1") = "8"
    & skf18("9","3","4","8","4","10","1") = "9"
    & skf18("9","3","4","8","5","1","1") = "8"
    & skf18("9","3","4","8","5","2","1") = "8"
    & skf18("9","3","4","8","5","3","1") = "8"
    & skf18("9","3","4","8","5","4","1") = "8"
    & skf18("9","3","4","8","5","5","1") = "8"
    & skf18("9","3","4","8","5","6","1") = "8"
    & skf18("9","3","4","8","5","7","1") = "8"
    & skf18("9","3","4","8","5","8","1") = "8"
    & skf18("9","3","4","8","5","9","1") = "8"
    & skf18("9","3","4","8","5","10","1") = "9"
    & skf18("9","3","4","8","6","1","1") = "8"
    & skf18("9","3","4","8","6","2","1") = "8"
    & skf18("9","3","4","8","6","3","1") = "8"
    & skf18("9","3","4","8","6","4","1") = "8"
    & skf18("9","3","4","8","6","5","1") = "8"
    & skf18("9","3","4","8","6","6","1") = "8"
    & skf18("9","3","4","8","6","7","1") = "8"
    & skf18("9","3","4","8","6","8","1") = "8"
    & skf18("9","3","4","8","6","9","1") = "8"
    & skf18("9","3","4","8","6","10","1") = "9"
    & skf18("9","3","4","8","7","1","1") = "8"
    & skf18("9","3","4","8","7","2","1") = "8"
    & skf18("9","3","4","8","7","3","1") = "8"
    & skf18("9","3","4","8","7","4","1") = "8"
    & skf18("9","3","4","8","7","5","1") = "8"
    & skf18("9","3","4","8","7","6","1") = "8"
    & skf18("9","3","4","8","7","7","1") = "8"
    & skf18("9","3","4","8","7","8","1") = "8"
    & skf18("9","3","4","8","7","9","1") = "8"
    & skf18("9","3","4","8","7","10","1") = "9"
    & skf18("9","3","4","8","8","1","1") = "8"
    & skf18("9","3","4","8","8","2","1") = "8"
    & skf18("9","3","4","8","8","3","1") = "8"
    & skf18("9","3","4","8","8","4","1") = "8"
    & skf18("9","3","4","8","8","5","1") = "8"
    & skf18("9","3","4","8","8","6","1") = "8"
    & skf18("9","3","4","8","8","7","1") = "8"
    & skf18("9","3","4","8","8","8","1") = "8"
    & skf18("9","3","4","8","8","9","1") = "8"
    & skf18("9","3","4","8","8","10","1") = "9"
    & skf18("9","3","4","8","9","1","1") = "8"
    & skf18("9","3","4","8","9","2","1") = "8"
    & skf18("9","3","4","8","9","3","1") = "8"
    & skf18("9","3","4","8","9","4","1") = "8"
    & skf18("9","3","4","8","9","5","1") = "8"
    & skf18("9","3","4","8","9","6","1") = "8"
    & skf18("9","3","4","8","9","7","1") = "8"
    & skf18("9","3","4","8","9","8","1") = "8"
    & skf18("9","3","4","8","9","9","1") = "8"
    & skf18("9","3","4","8","9","10","1") = "9"
    & skf18("9","3","4","8","10","1","1") = "9"
    & skf18("9","3","4","8","10","2","1") = "9"
    & skf18("9","3","4","8","10","3","1") = "9"
    & skf18("9","3","4","8","10","4","1") = "9"
    & skf18("9","3","4","8","10","5","1") = "9"
    & skf18("9","3","4","8","10","6","1") = "9"
    & skf18("9","3","4","8","10","7","1") = "9"
    & skf18("9","3","4","8","10","8","1") = "9"
    & skf18("9","3","4","8","10","9","1") = "9"
    & skf18("9","3","4","8","10","10","1") = "9"
    & skf18("9","3","4","9","1","1","1") = "8"
    & skf18("9","3","4","9","1","2","1") = "8"
    & skf18("9","3","4","9","1","3","1") = "8"
    & skf18("9","3","4","9","1","4","1") = "8"
    & skf18("9","3","4","9","1","5","1") = "8"
    & skf18("9","3","4","9","1","6","1") = "8"
    & skf18("9","3","4","9","1","7","1") = "8"
    & skf18("9","3","4","9","1","8","1") = "8"
    & skf18("9","3","4","9","1","9","1") = "8"
    & skf18("9","3","4","9","1","10","1") = "9"
    & skf18("9","3","4","9","2","1","1") = "8"
    & skf18("9","3","4","9","2","2","1") = "8"
    & skf18("9","3","4","9","2","3","1") = "8"
    & skf18("9","3","4","9","2","4","1") = "8"
    & skf18("9","3","4","9","2","5","1") = "8"
    & skf18("9","3","4","9","2","6","1") = "8"
    & skf18("9","3","4","9","2","7","1") = "8"
    & skf18("9","3","4","9","2","8","1") = "8"
    & skf18("9","3","4","9","2","9","1") = "8"
    & skf18("9","3","4","9","2","10","1") = "9"
    & skf18("9","3","4","9","3","1","1") = "8"
    & skf18("9","3","4","9","3","2","1") = "8"
    & skf18("9","3","4","9","3","3","1") = "8"
    & skf18("9","3","4","9","3","4","1") = "8"
    & skf18("9","3","4","9","3","5","1") = "8"
    & skf18("9","3","4","9","3","6","1") = "8"
    & skf18("9","3","4","9","3","7","1") = "8"
    & skf18("9","3","4","9","3","8","1") = "8"
    & skf18("9","3","4","9","3","9","1") = "8"
    & skf18("9","3","4","9","3","10","1") = "9"
    & skf18("9","3","4","9","4","1","1") = "8"
    & skf18("9","3","4","9","4","2","1") = "8"
    & skf18("9","3","4","9","4","3","1") = "8"
    & skf18("9","3","4","9","4","4","1") = "8"
    & skf18("9","3","4","9","4","5","1") = "8"
    & skf18("9","3","4","9","4","6","1") = "8"
    & skf18("9","3","4","9","4","7","1") = "8"
    & skf18("9","3","4","9","4","8","1") = "8"
    & skf18("9","3","4","9","4","9","1") = "8"
    & skf18("9","3","4","9","4","10","1") = "9"
    & skf18("9","3","4","9","5","1","1") = "8"
    & skf18("9","3","4","9","5","2","1") = "8"
    & skf18("9","3","4","9","5","3","1") = "8"
    & skf18("9","3","4","9","5","4","1") = "8"
    & skf18("9","3","4","9","5","5","1") = "8"
    & skf18("9","3","4","9","5","6","1") = "8"
    & skf18("9","3","4","9","5","7","1") = "8"
    & skf18("9","3","4","9","5","8","1") = "8"
    & skf18("9","3","4","9","5","9","1") = "8"
    & skf18("9","3","4","9","5","10","1") = "9"
    & skf18("9","3","4","9","6","1","1") = "8"
    & skf18("9","3","4","9","6","2","1") = "8"
    & skf18("9","3","4","9","6","3","1") = "8"
    & skf18("9","3","4","9","6","4","1") = "8"
    & skf18("9","3","4","9","6","5","1") = "8"
    & skf18("9","3","4","9","6","6","1") = "8"
    & skf18("9","3","4","9","6","7","1") = "8"
    & skf18("9","3","4","9","6","8","1") = "8"
    & skf18("9","3","4","9","6","9","1") = "8"
    & skf18("9","3","4","9","6","10","1") = "9"
    & skf18("9","3","4","9","7","1","1") = "8"
    & skf18("9","3","4","9","7","2","1") = "8"
    & skf18("9","3","4","9","7","3","1") = "8"
    & skf18("9","3","4","9","7","4","1") = "8"
    & skf18("9","3","4","9","7","5","1") = "8"
    & skf18("9","3","4","9","7","6","1") = "8"
    & skf18("9","3","4","9","7","7","1") = "8"
    & skf18("9","3","4","9","7","8","1") = "8"
    & skf18("9","3","4","9","7","9","1") = "8"
    & skf18("9","3","4","9","7","10","1") = "9"
    & skf18("9","3","4","9","8","1","1") = "8"
    & skf18("9","3","4","9","8","2","1") = "8"
    & skf18("9","3","4","9","8","3","1") = "8"
    & skf18("9","3","4","9","8","4","1") = "8"
    & skf18("9","3","4","9","8","5","1") = "8"
    & skf18("9","3","4","9","8","6","1") = "8"
    & skf18("9","3","4","9","8","7","1") = "8"
    & skf18("9","3","4","9","8","8","1") = "8"
    & skf18("9","3","4","9","8","9","1") = "8"
    & skf18("9","3","4","9","8","10","1") = "9"
    & skf18("9","3","4","9","9","1","1") = "8"
    & skf18("9","3","4","9","9","2","1") = "8"
    & skf18("9","3","4","9","9","3","1") = "8"
    & skf18("9","3","4","9","9","4","1") = "8"
    & skf18("9","3","4","9","9","5","1") = "8"
    & skf18("9","3","4","9","9","6","1") = "8"
    & skf18("9","3","4","9","9","7","1") = "8"
    & skf18("9","3","4","9","9","8","1") = "8"
    & skf18("9","3","4","9","9","9","1") = "8"
    & skf18("9","3","4","9","9","10","1") = "9"
    & skf18("9","3","4","9","10","1","1") = "9"
    & skf18("9","3","4","9","10","2","1") = "9"
    & skf18("9","3","4","9","10","3","1") = "9"
    & skf18("9","3","4","9","10","4","1") = "9"
    & skf18("9","3","4","9","10","5","1") = "9"
    & skf18("9","3","4","9","10","6","1") = "9"
    & skf18("9","3","4","9","10","7","1") = "9"
    & skf18("9","3","4","9","10","8","1") = "9"
    & skf18("9","3","4","9","10","9","1") = "9"
    & skf18("9","3","4","9","10","10","1") = "9"
    & skf18("9","3","4","10","1","1","1") = "9"
    & skf18("9","3","4","10","1","2","1") = "9"
    & skf18("9","3","4","10","1","3","1") = "9"
    & skf18("9","3","4","10","1","4","1") = "9"
    & skf18("9","3","4","10","1","5","1") = "9"
    & skf18("9","3","4","10","1","6","1") = "9"
    & skf18("9","3","4","10","1","7","1") = "9"
    & skf18("9","3","4","10","1","8","1") = "9"
    & skf18("9","3","4","10","1","9","1") = "9"
    & skf18("9","3","4","10","1","10","1") = "9"
    & skf18("9","3","4","10","2","1","1") = "9"
    & skf18("9","3","4","10","2","2","1") = "9"
    & skf18("9","3","4","10","2","3","1") = "9"
    & skf18("9","3","4","10","2","4","1") = "9"
    & skf18("9","3","4","10","2","5","1") = "9"
    & skf18("9","3","4","10","2","6","1") = "9"
    & skf18("9","3","4","10","2","7","1") = "9"
    & skf18("9","3","4","10","2","8","1") = "9"
    & skf18("9","3","4","10","2","9","1") = "9"
    & skf18("9","3","4","10","2","10","1") = "9"
    & skf18("9","3","4","10","3","1","1") = "9"
    & skf18("9","3","4","10","3","2","1") = "9"
    & skf18("9","3","4","10","3","3","1") = "9"
    & skf18("9","3","4","10","3","4","1") = "9"
    & skf18("9","3","4","10","3","5","1") = "9"
    & skf18("9","3","4","10","3","6","1") = "9"
    & skf18("9","3","4","10","3","7","1") = "9"
    & skf18("9","3","4","10","3","8","1") = "9"
    & skf18("9","3","4","10","3","9","1") = "9"
    & skf18("9","3","4","10","3","10","1") = "9"
    & skf18("9","3","4","10","4","1","1") = "9"
    & skf18("9","3","4","10","4","2","1") = "9"
    & skf18("9","3","4","10","4","3","1") = "9"
    & skf18("9","3","4","10","4","4","1") = "9"
    & skf18("9","3","4","10","4","5","1") = "9"
    & skf18("9","3","4","10","4","6","1") = "9"
    & skf18("9","3","4","10","4","7","1") = "9"
    & skf18("9","3","4","10","4","8","1") = "9"
    & skf18("9","3","4","10","4","9","1") = "9"
    & skf18("9","3","4","10","4","10","1") = "9"
    & skf18("9","3","4","10","5","1","1") = "9"
    & skf18("9","3","4","10","5","2","1") = "9"
    & skf18("9","3","4","10","5","3","1") = "9"
    & skf18("9","3","4","10","5","4","1") = "9"
    & skf18("9","3","4","10","5","5","1") = "9"
    & skf18("9","3","4","10","5","6","1") = "9"
    & skf18("9","3","4","10","5","7","1") = "9"
    & skf18("9","3","4","10","5","8","1") = "9"
    & skf18("9","3","4","10","5","9","1") = "9"
    & skf18("9","3","4","10","5","10","1") = "9"
    & skf18("9","3","4","10","6","1","1") = "9"
    & skf18("9","3","4","10","6","2","1") = "9"
    & skf18("9","3","4","10","6","3","1") = "9"
    & skf18("9","3","4","10","6","4","1") = "9"
    & skf18("9","3","4","10","6","5","1") = "9"
    & skf18("9","3","4","10","6","6","1") = "9"
    & skf18("9","3","4","10","6","7","1") = "9"
    & skf18("9","3","4","10","6","8","1") = "9"
    & skf18("9","3","4","10","6","9","1") = "9"
    & skf18("9","3","4","10","6","10","1") = "9"
    & skf18("9","3","4","10","7","1","1") = "9"
    & skf18("9","3","4","10","7","2","1") = "9"
    & skf18("9","3","4","10","7","3","1") = "9"
    & skf18("9","3","4","10","7","4","1") = "9"
    & skf18("9","3","4","10","7","5","1") = "9"
    & skf18("9","3","4","10","7","6","1") = "9"
    & skf18("9","3","4","10","7","7","1") = "9"
    & skf18("9","3","4","10","7","8","1") = "9"
    & skf18("9","3","4","10","7","9","1") = "9"
    & skf18("9","3","4","10","7","10","1") = "9"
    & skf18("9","3","4","10","8","1","1") = "9"
    & skf18("9","3","4","10","8","2","1") = "9"
    & skf18("9","3","4","10","8","3","1") = "9"
    & skf18("9","3","4","10","8","4","1") = "9"
    & skf18("9","3","4","10","8","5","1") = "9"
    & skf18("9","3","4","10","8","6","1") = "9"
    & skf18("9","3","4","10","8","7","1") = "9"
    & skf18("9","3","4","10","8","8","1") = "9"
    & skf18("9","3","4","10","8","9","1") = "9"
    & skf18("9","3","4","10","8","10","1") = "9"
    & skf18("9","3","4","10","9","1","1") = "9"
    & skf18("9","3","4","10","9","2","1") = "9"
    & skf18("9","3","4","10","9","3","1") = "9"
    & skf18("9","3","4","10","9","4","1") = "9"
    & skf18("9","3","4","10","9","5","1") = "9"
    & skf18("9","3","4","10","9","6","1") = "9"
    & skf18("9","3","4","10","9","7","1") = "9"
    & skf18("9","3","4","10","9","8","1") = "9"
    & skf18("9","3","4","10","9","9","1") = "9"
    & skf18("9","3","4","10","9","10","1") = "9"
    & skf18("9","3","4","10","10","1","1") = "9"
    & skf18("9","3","4","10","10","2","1") = "9"
    & skf18("9","3","4","10","10","3","1") = "9"
    & skf18("9","3","4","10","10","4","1") = "9"
    & skf18("9","3","4","10","10","5","1") = "9"
    & skf18("9","3","4","10","10","6","1") = "9"
    & skf18("9","3","4","10","10","7","1") = "9"
    & skf18("9","3","4","10","10","8","1") = "9"
    & skf18("9","3","4","10","10","9","1") = "9"
    & skf18("9","3","4","10","10","10","1") = "9"
    & skf18("9","3","5","1","1","1","1") = "8"
    & skf18("9","3","5","1","1","2","1") = "8"
    & skf18("9","3","5","1","1","3","1") = "8"
    & skf18("9","3","5","1","1","4","1") = "8"
    & skf18("9","3","5","1","1","5","1") = "8"
    & skf18("9","3","5","1","1","6","1") = "8"
    & skf18("9","3","5","1","1","7","1") = "8"
    & skf18("9","3","5","1","1","8","1") = "8"
    & skf18("9","3","5","1","1","9","1") = "8"
    & skf18("9","3","5","1","1","10","1") = "9"
    & skf18("9","3","5","1","2","1","1") = "8"
    & skf18("9","3","5","1","2","2","1") = "8"
    & skf18("9","3","5","1","2","3","1") = "8"
    & skf18("9","3","5","1","2","4","1") = "8"
    & skf18("9","3","5","1","2","5","1") = "8"
    & skf18("9","3","5","1","2","6","1") = "8"
    & skf18("9","3","5","1","2","7","1") = "8"
    & skf18("9","3","5","1","2","8","1") = "8"
    & skf18("9","3","5","1","2","9","1") = "8"
    & skf18("9","3","5","1","2","10","1") = "9"
    & skf18("9","3","5","1","3","1","1") = "8"
    & skf18("9","3","5","1","3","2","1") = "8"
    & skf18("9","3","5","1","3","3","1") = "8"
    & skf18("9","3","5","1","3","4","1") = "8"
    & skf18("9","3","5","1","3","5","1") = "8"
    & skf18("9","3","5","1","3","6","1") = "8"
    & skf18("9","3","5","1","3","7","1") = "8"
    & skf18("9","3","5","1","3","8","1") = "8"
    & skf18("9","3","5","1","3","9","1") = "8"
    & skf18("9","3","5","1","3","10","1") = "9"
    & skf18("9","3","5","1","4","1","1") = "8"
    & skf18("9","3","5","1","4","2","1") = "8"
    & skf18("9","3","5","1","4","3","1") = "8"
    & skf18("9","3","5","1","4","4","1") = "8"
    & skf18("9","3","5","1","4","5","1") = "8"
    & skf18("9","3","5","1","4","6","1") = "8"
    & skf18("9","3","5","1","4","7","1") = "8"
    & skf18("9","3","5","1","4","8","1") = "8"
    & skf18("9","3","5","1","4","9","1") = "8"
    & skf18("9","3","5","1","4","10","1") = "9"
    & skf18("9","3","5","1","5","1","1") = "8"
    & skf18("9","3","5","1","5","2","1") = "8"
    & skf18("9","3","5","1","5","3","1") = "8"
    & skf18("9","3","5","1","5","4","1") = "8"
    & skf18("9","3","5","1","5","5","1") = "8"
    & skf18("9","3","5","1","5","6","1") = "8"
    & skf18("9","3","5","1","5","7","1") = "8"
    & skf18("9","3","5","1","5","8","1") = "8"
    & skf18("9","3","5","1","5","9","1") = "8"
    & skf18("9","3","5","1","5","10","1") = "9"
    & skf18("9","3","5","1","6","1","1") = "8"
    & skf18("9","3","5","1","6","2","1") = "8"
    & skf18("9","3","5","1","6","3","1") = "8"
    & skf18("9","3","5","1","6","4","1") = "8"
    & skf18("9","3","5","1","6","5","1") = "8"
    & skf18("9","3","5","1","6","6","1") = "8"
    & skf18("9","3","5","1","6","7","1") = "8"
    & skf18("9","3","5","1","6","8","1") = "8"
    & skf18("9","3","5","1","6","9","1") = "8"
    & skf18("9","3","5","1","6","10","1") = "9"
    & skf18("9","3","5","1","7","1","1") = "8"
    & skf18("9","3","5","1","7","2","1") = "8"
    & skf18("9","3","5","1","7","3","1") = "8"
    & skf18("9","3","5","1","7","4","1") = "8"
    & skf18("9","3","5","1","7","5","1") = "8"
    & skf18("9","3","5","1","7","6","1") = "8"
    & skf18("9","3","5","1","7","7","1") = "8"
    & skf18("9","3","5","1","7","8","1") = "8"
    & skf18("9","3","5","1","7","9","1") = "8"
    & skf18("9","3","5","1","7","10","1") = "9"
    & skf18("9","3","5","1","8","1","1") = "8"
    & skf18("9","3","5","1","8","2","1") = "8"
    & skf18("9","3","5","1","8","3","1") = "8"
    & skf18("9","3","5","1","8","4","1") = "8"
    & skf18("9","3","5","1","8","5","1") = "8"
    & skf18("9","3","5","1","8","6","1") = "8"
    & skf18("9","3","5","1","8","7","1") = "8"
    & skf18("9","3","5","1","8","8","1") = "8"
    & skf18("9","3","5","1","8","9","1") = "8"
    & skf18("9","3","5","1","8","10","1") = "9"
    & skf18("9","3","5","1","9","1","1") = "8"
    & skf18("9","3","5","1","9","2","1") = "8"
    & skf18("9","3","5","1","9","3","1") = "8"
    & skf18("9","3","5","1","9","4","1") = "8"
    & skf18("9","3","5","1","9","5","1") = "8"
    & skf18("9","3","5","1","9","6","1") = "8"
    & skf18("9","3","5","1","9","7","1") = "8"
    & skf18("9","3","5","1","9","8","1") = "8"
    & skf18("9","3","5","1","9","9","1") = "8"
    & skf18("9","3","5","1","9","10","1") = "9"
    & skf18("9","3","5","1","10","1","1") = "9"
    & skf18("9","3","5","1","10","2","1") = "9"
    & skf18("9","3","5","1","10","3","1") = "9"
    & skf18("9","3","5","1","10","4","1") = "9"
    & skf18("9","3","5","1","10","5","1") = "9"
    & skf18("9","3","5","1","10","6","1") = "9"
    & skf18("9","3","5","1","10","7","1") = "9"
    & skf18("9","3","5","1","10","8","1") = "9"
    & skf18("9","3","5","1","10","9","1") = "9"
    & skf18("9","3","5","1","10","10","1") = "9"
    & skf18("9","3","5","2","1","1","1") = "8"
    & skf18("9","3","5","2","1","2","1") = "8"
    & skf18("9","3","5","2","1","3","1") = "8"
    & skf18("9","3","5","2","1","4","1") = "8"
    & skf18("9","3","5","2","1","5","1") = "8"
    & skf18("9","3","5","2","1","6","1") = "8"
    & skf18("9","3","5","2","1","7","1") = "8"
    & skf18("9","3","5","2","1","8","1") = "8"
    & skf18("9","3","5","2","1","9","1") = "8"
    & skf18("9","3","5","2","1","10","1") = "9"
    & skf18("9","3","5","2","2","1","1") = "8"
    & skf18("9","3","5","2","2","2","1") = "8"
    & skf18("9","3","5","2","2","3","1") = "8"
    & skf18("9","3","5","2","2","4","1") = "8"
    & skf18("9","3","5","2","2","5","1") = "8"
    & skf18("9","3","5","2","2","6","1") = "8"
    & skf18("9","3","5","2","2","7","1") = "8"
    & skf18("9","3","5","2","2","8","1") = "8"
    & skf18("9","3","5","2","2","9","1") = "8"
    & skf18("9","3","5","2","2","10","1") = "9"
    & skf18("9","3","5","2","3","1","1") = "8"
    & skf18("9","3","5","2","3","2","1") = "8"
    & skf18("9","3","5","2","3","3","1") = "8"
    & skf18("9","3","5","2","3","4","1") = "8"
    & skf18("9","3","5","2","3","5","1") = "8"
    & skf18("9","3","5","2","3","6","1") = "8"
    & skf18("9","3","5","2","3","7","1") = "8"
    & skf18("9","3","5","2","3","8","1") = "8"
    & skf18("9","3","5","2","3","9","1") = "8"
    & skf18("9","3","5","2","3","10","1") = "9"
    & skf18("9","3","5","2","4","1","1") = "8"
    & skf18("9","3","5","2","4","2","1") = "8"
    & skf18("9","3","5","2","4","3","1") = "8"
    & skf18("9","3","5","2","4","4","1") = "8"
    & skf18("9","3","5","2","4","5","1") = "8"
    & skf18("9","3","5","2","4","6","1") = "8"
    & skf18("9","3","5","2","4","7","1") = "8"
    & skf18("9","3","5","2","4","8","1") = "8"
    & skf18("9","3","5","2","4","9","1") = "8"
    & skf18("9","3","5","2","4","10","1") = "9"
    & skf18("9","3","5","2","5","1","1") = "8"
    & skf18("9","3","5","2","5","2","1") = "8"
    & skf18("9","3","5","2","5","3","1") = "8"
    & skf18("9","3","5","2","5","4","1") = "8"
    & skf18("9","3","5","2","5","5","1") = "8"
    & skf18("9","3","5","2","5","6","1") = "8"
    & skf18("9","3","5","2","5","7","1") = "8"
    & skf18("9","3","5","2","5","8","1") = "8"
    & skf18("9","3","5","2","5","9","1") = "8"
    & skf18("9","3","5","2","5","10","1") = "9"
    & skf18("9","3","5","2","6","1","1") = "8"
    & skf18("9","3","5","2","6","2","1") = "8"
    & skf18("9","3","5","2","6","3","1") = "8"
    & skf18("9","3","5","2","6","4","1") = "8"
    & skf18("9","3","5","2","6","5","1") = "8"
    & skf18("9","3","5","2","6","6","1") = "8"
    & skf18("9","3","5","2","6","7","1") = "8"
    & skf18("9","3","5","2","6","8","1") = "8"
    & skf18("9","3","5","2","6","9","1") = "8"
    & skf18("9","3","5","2","6","10","1") = "9"
    & skf18("9","3","5","2","7","1","1") = "8"
    & skf18("9","3","5","2","7","2","1") = "8"
    & skf18("9","3","5","2","7","3","1") = "8"
    & skf18("9","3","5","2","7","4","1") = "8"
    & skf18("9","3","5","2","7","5","1") = "8"
    & skf18("9","3","5","2","7","6","1") = "8"
    & skf18("9","3","5","2","7","7","1") = "8"
    & skf18("9","3","5","2","7","8","1") = "8"
    & skf18("9","3","5","2","7","9","1") = "8"
    & skf18("9","3","5","2","7","10","1") = "9"
    & skf18("9","3","5","2","8","1","1") = "8"
    & skf18("9","3","5","2","8","2","1") = "8"
    & skf18("9","3","5","2","8","3","1") = "8"
    & skf18("9","3","5","2","8","4","1") = "8"
    & skf18("9","3","5","2","8","5","1") = "8"
    & skf18("9","3","5","2","8","6","1") = "8"
    & skf18("9","3","5","2","8","7","1") = "8"
    & skf18("9","3","5","2","8","8","1") = "8"
    & skf18("9","3","5","2","8","9","1") = "8"
    & skf18("9","3","5","2","8","10","1") = "9"
    & skf18("9","3","5","2","9","1","1") = "8"
    & skf18("9","3","5","2","9","2","1") = "8"
    & skf18("9","3","5","2","9","3","1") = "8"
    & skf18("9","3","5","2","9","4","1") = "8"
    & skf18("9","3","5","2","9","5","1") = "8"
    & skf18("9","3","5","2","9","6","1") = "8"
    & skf18("9","3","5","2","9","7","1") = "8"
    & skf18("9","3","5","2","9","8","1") = "8"
    & skf18("9","3","5","2","9","9","1") = "8"
    & skf18("9","3","5","2","9","10","1") = "9"
    & skf18("9","3","5","2","10","1","1") = "9"
    & skf18("9","3","5","2","10","2","1") = "9"
    & skf18("9","3","5","2","10","3","1") = "9"
    & skf18("9","3","5","2","10","4","1") = "9"
    & skf18("9","3","5","2","10","5","1") = "9"
    & skf18("9","3","5","2","10","6","1") = "9"
    & skf18("9","3","5","2","10","7","1") = "9"
    & skf18("9","3","5","2","10","8","1") = "9"
    & skf18("9","3","5","2","10","9","1") = "9"
    & skf18("9","3","5","2","10","10","1") = "9"
    & skf18("9","3","5","3","1","1","1") = "8"
    & skf18("9","3","5","3","1","2","1") = "8"
    & skf18("9","3","5","3","1","3","1") = "8"
    & skf18("9","3","5","3","1","4","1") = "8"
    & skf18("9","3","5","3","1","5","1") = "8"
    & skf18("9","3","5","3","1","6","1") = "8"
    & skf18("9","3","5","3","1","7","1") = "8"
    & skf18("9","3","5","3","1","8","1") = "8"
    & skf18("9","3","5","3","1","9","1") = "8"
    & skf18("9","3","5","3","1","10","1") = "9"
    & skf18("9","3","5","3","2","1","1") = "8"
    & skf18("9","3","5","3","2","2","1") = "8"
    & skf18("9","3","5","3","2","3","1") = "8"
    & skf18("9","3","5","3","2","4","1") = "8"
    & skf18("9","3","5","3","2","5","1") = "8"
    & skf18("9","3","5","3","2","6","1") = "8"
    & skf18("9","3","5","3","2","7","1") = "8"
    & skf18("9","3","5","3","2","8","1") = "8"
    & skf18("9","3","5","3","2","9","1") = "8"
    & skf18("9","3","5","3","2","10","1") = "9"
    & skf18("9","3","5","3","3","1","1") = "8"
    & skf18("9","3","5","3","3","2","1") = "8"
    & skf18("9","3","5","3","3","3","1") = "8"
    & skf18("9","3","5","3","3","4","1") = "8"
    & skf18("9","3","5","3","3","5","1") = "8"
    & skf18("9","3","5","3","3","6","1") = "8"
    & skf18("9","3","5","3","3","7","1") = "8"
    & skf18("9","3","5","3","3","8","1") = "8"
    & skf18("9","3","5","3","3","9","1") = "8"
    & skf18("9","3","5","3","3","10","1") = "9"
    & skf18("9","3","5","3","4","1","1") = "8"
    & skf18("9","3","5","3","4","2","1") = "8"
    & skf18("9","3","5","3","4","3","1") = "8"
    & skf18("9","3","5","3","4","4","1") = "8"
    & skf18("9","3","5","3","4","5","1") = "8"
    & skf18("9","3","5","3","4","6","1") = "8"
    & skf18("9","3","5","3","4","7","1") = "8"
    & skf18("9","3","5","3","4","8","1") = "8"
    & skf18("9","3","5","3","4","9","1") = "8"
    & skf18("9","3","5","3","4","10","1") = "9"
    & skf18("9","3","5","3","5","1","1") = "8"
    & skf18("9","3","5","3","5","2","1") = "8"
    & skf18("9","3","5","3","5","3","1") = "8"
    & skf18("9","3","5","3","5","4","1") = "8"
    & skf18("9","3","5","3","5","5","1") = "8"
    & skf18("9","3","5","3","5","6","1") = "8"
    & skf18("9","3","5","3","5","7","1") = "8"
    & skf18("9","3","5","3","5","8","1") = "8"
    & skf18("9","3","5","3","5","9","1") = "8"
    & skf18("9","3","5","3","5","10","1") = "9"
    & skf18("9","3","5","3","6","1","1") = "8"
    & skf18("9","3","5","3","6","2","1") = "8"
    & skf18("9","3","5","3","6","3","1") = "8"
    & skf18("9","3","5","3","6","4","1") = "8"
    & skf18("9","3","5","3","6","5","1") = "8"
    & skf18("9","3","5","3","6","6","1") = "8"
    & skf18("9","3","5","3","6","7","1") = "8"
    & skf18("9","3","5","3","6","8","1") = "8"
    & skf18("9","3","5","3","6","9","1") = "8"
    & skf18("9","3","5","3","6","10","1") = "9"
    & skf18("9","3","5","3","7","1","1") = "8"
    & skf18("9","3","5","3","7","2","1") = "8"
    & skf18("9","3","5","3","7","3","1") = "8"
    & skf18("9","3","5","3","7","4","1") = "8"
    & skf18("9","3","5","3","7","5","1") = "8"
    & skf18("9","3","5","3","7","6","1") = "8"
    & skf18("9","3","5","3","7","7","1") = "8"
    & skf18("9","3","5","3","7","8","1") = "8"
    & skf18("9","3","5","3","7","9","1") = "8"
    & skf18("9","3","5","3","7","10","1") = "9"
    & skf18("9","3","5","3","8","1","1") = "8"
    & skf18("9","3","5","3","8","2","1") = "8"
    & skf18("9","3","5","3","8","3","1") = "8"
    & skf18("9","3","5","3","8","4","1") = "8"
    & skf18("9","3","5","3","8","5","1") = "8"
    & skf18("9","3","5","3","8","6","1") = "8"
    & skf18("9","3","5","3","8","7","1") = "8"
    & skf18("9","3","5","3","8","8","1") = "8"
    & skf18("9","3","5","3","8","9","1") = "8"
    & skf18("9","3","5","3","8","10","1") = "9"
    & skf18("9","3","5","3","9","1","1") = "8"
    & skf18("9","3","5","3","9","2","1") = "8"
    & skf18("9","3","5","3","9","3","1") = "8"
    & skf18("9","3","5","3","9","4","1") = "8"
    & skf18("9","3","5","3","9","5","1") = "8"
    & skf18("9","3","5","3","9","6","1") = "8"
    & skf18("9","3","5","3","9","7","1") = "8"
    & skf18("9","3","5","3","9","8","1") = "8"
    & skf18("9","3","5","3","9","9","1") = "8"
    & skf18("9","3","5","3","9","10","1") = "9"
    & skf18("9","3","5","3","10","1","1") = "9"
    & skf18("9","3","5","3","10","2","1") = "9"
    & skf18("9","3","5","3","10","3","1") = "9"
    & skf18("9","3","5","3","10","4","1") = "9"
    & skf18("9","3","5","3","10","5","1") = "9"
    & skf18("9","3","5","3","10","6","1") = "9"
    & skf18("9","3","5","3","10","7","1") = "9"
    & skf18("9","3","5","3","10","8","1") = "9"
    & skf18("9","3","5","3","10","9","1") = "9"
    & skf18("9","3","5","3","10","10","1") = "9"
    & skf18("9","3","5","4","1","1","1") = "8"
    & skf18("9","3","5","4","1","2","1") = "8"
    & skf18("9","3","5","4","1","3","1") = "8"
    & skf18("9","3","5","4","1","4","1") = "8"
    & skf18("9","3","5","4","1","5","1") = "8"
    & skf18("9","3","5","4","1","6","1") = "8"
    & skf18("9","3","5","4","1","7","1") = "8"
    & skf18("9","3","5","4","1","8","1") = "8"
    & skf18("9","3","5","4","1","9","1") = "8"
    & skf18("9","3","5","4","1","10","1") = "9"
    & skf18("9","3","5","4","2","1","1") = "8"
    & skf18("9","3","5","4","2","2","1") = "8"
    & skf18("9","3","5","4","2","3","1") = "8"
    & skf18("9","3","5","4","2","4","1") = "8"
    & skf18("9","3","5","4","2","5","1") = "8"
    & skf18("9","3","5","4","2","6","1") = "8"
    & skf18("9","3","5","4","2","7","1") = "8"
    & skf18("9","3","5","4","2","8","1") = "8"
    & skf18("9","3","5","4","2","9","1") = "8"
    & skf18("9","3","5","4","2","10","1") = "9"
    & skf18("9","3","5","4","3","1","1") = "8"
    & skf18("9","3","5","4","3","2","1") = "8"
    & skf18("9","3","5","4","3","3","1") = "8"
    & skf18("9","3","5","4","3","4","1") = "8"
    & skf18("9","3","5","4","3","5","1") = "8"
    & skf18("9","3","5","4","3","6","1") = "8"
    & skf18("9","3","5","4","3","7","1") = "8"
    & skf18("9","3","5","4","3","8","1") = "8"
    & skf18("9","3","5","4","3","9","1") = "8"
    & skf18("9","3","5","4","3","10","1") = "9"
    & skf18("9","3","5","4","4","1","1") = "8"
    & skf18("9","3","5","4","4","2","1") = "8"
    & skf18("9","3","5","4","4","3","1") = "8"
    & skf18("9","3","5","4","4","4","1") = "8"
    & skf18("9","3","5","4","4","5","1") = "8"
    & skf18("9","3","5","4","4","6","1") = "8"
    & skf18("9","3","5","4","4","7","1") = "8"
    & skf18("9","3","5","4","4","8","1") = "8"
    & skf18("9","3","5","4","4","9","1") = "8"
    & skf18("9","3","5","4","4","10","1") = "9"
    & skf18("9","3","5","4","5","1","1") = "8"
    & skf18("9","3","5","4","5","2","1") = "8"
    & skf18("9","3","5","4","5","3","1") = "8"
    & skf18("9","3","5","4","5","4","1") = "8"
    & skf18("9","3","5","4","5","5","1") = "8"
    & skf18("9","3","5","4","5","6","1") = "8"
    & skf18("9","3","5","4","5","7","1") = "8"
    & skf18("9","3","5","4","5","8","1") = "8"
    & skf18("9","3","5","4","5","9","1") = "8"
    & skf18("9","3","5","4","5","10","1") = "9"
    & skf18("9","3","5","4","6","1","1") = "8"
    & skf18("9","3","5","4","6","2","1") = "8"
    & skf18("9","3","5","4","6","3","1") = "8"
    & skf18("9","3","5","4","6","4","1") = "8"
    & skf18("9","3","5","4","6","5","1") = "8"
    & skf18("9","3","5","4","6","6","1") = "8"
    & skf18("9","3","5","4","6","7","1") = "8"
    & skf18("9","3","5","4","6","8","1") = "8"
    & skf18("9","3","5","4","6","9","1") = "8"
    & skf18("9","3","5","4","6","10","1") = "9"
    & skf18("9","3","5","4","7","1","1") = "8"
    & skf18("9","3","5","4","7","2","1") = "8"
    & skf18("9","3","5","4","7","3","1") = "8"
    & skf18("9","3","5","4","7","4","1") = "8"
    & skf18("9","3","5","4","7","5","1") = "8"
    & skf18("9","3","5","4","7","6","1") = "8"
    & skf18("9","3","5","4","7","7","1") = "8"
    & skf18("9","3","5","4","7","8","1") = "8"
    & skf18("9","3","5","4","7","9","1") = "8"
    & skf18("9","3","5","4","7","10","1") = "9"
    & skf18("9","3","5","4","8","1","1") = "8"
    & skf18("9","3","5","4","8","2","1") = "8"
    & skf18("9","3","5","4","8","3","1") = "8"
    & skf18("9","3","5","4","8","4","1") = "8"
    & skf18("9","3","5","4","8","5","1") = "8"
    & skf18("9","3","5","4","8","6","1") = "8"
    & skf18("9","3","5","4","8","7","1") = "8"
    & skf18("9","3","5","4","8","8","1") = "8"
    & skf18("9","3","5","4","8","9","1") = "8"
    & skf18("9","3","5","4","8","10","1") = "9"
    & skf18("9","3","5","4","9","1","1") = "8"
    & skf18("9","3","5","4","9","2","1") = "8"
    & skf18("9","3","5","4","9","3","1") = "8"
    & skf18("9","3","5","4","9","4","1") = "8"
    & skf18("9","3","5","4","9","5","1") = "8"
    & skf18("9","3","5","4","9","6","1") = "8"
    & skf18("9","3","5","4","9","7","1") = "8"
    & skf18("9","3","5","4","9","8","1") = "8"
    & skf18("9","3","5","4","9","9","1") = "8"
    & skf18("9","3","5","4","9","10","1") = "9"
    & skf18("9","3","5","4","10","1","1") = "9"
    & skf18("9","3","5","4","10","2","1") = "9"
    & skf18("9","3","5","4","10","3","1") = "9"
    & skf18("9","3","5","4","10","4","1") = "9"
    & skf18("9","3","5","4","10","5","1") = "9"
    & skf18("9","3","5","4","10","6","1") = "9"
    & skf18("9","3","5","4","10","7","1") = "9"
    & skf18("9","3","5","4","10","8","1") = "9"
    & skf18("9","3","5","4","10","9","1") = "9"
    & skf18("9","3","5","4","10","10","1") = "9"
    & skf18("9","3","5","5","1","1","1") = "8"
    & skf18("9","3","5","5","1","2","1") = "8"
    & skf18("9","3","5","5","1","3","1") = "8"
    & skf18("9","3","5","5","1","4","1") = "8"
    & skf18("9","3","5","5","1","5","1") = "8"
    & skf18("9","3","5","5","1","6","1") = "8"
    & skf18("9","3","5","5","1","7","1") = "8"
    & skf18("9","3","5","5","1","8","1") = "8"
    & skf18("9","3","5","5","1","9","1") = "8"
    & skf18("9","3","5","5","1","10","1") = "9"
    & skf18("9","3","5","5","2","1","1") = "8"
    & skf18("9","3","5","5","2","2","1") = "8"
    & skf18("9","3","5","5","2","3","1") = "8"
    & skf18("9","3","5","5","2","4","1") = "8"
    & skf18("9","3","5","5","2","5","1") = "8"
    & skf18("9","3","5","5","2","6","1") = "8"
    & skf18("9","3","5","5","2","7","1") = "8"
    & skf18("9","3","5","5","2","8","1") = "8"
    & skf18("9","3","5","5","2","9","1") = "8"
    & skf18("9","3","5","5","2","10","1") = "9"
    & skf18("9","3","5","5","3","1","1") = "8"
    & skf18("9","3","5","5","3","2","1") = "8"
    & skf18("9","3","5","5","3","3","1") = "8"
    & skf18("9","3","5","5","3","4","1") = "8"
    & skf18("9","3","5","5","3","5","1") = "8"
    & skf18("9","3","5","5","3","6","1") = "8"
    & skf18("9","3","5","5","3","7","1") = "8"
    & skf18("9","3","5","5","3","8","1") = "8"
    & skf18("9","3","5","5","3","9","1") = "8"
    & skf18("9","3","5","5","3","10","1") = "9"
    & skf18("9","3","5","5","4","1","1") = "8"
    & skf18("9","3","5","5","4","2","1") = "8"
    & skf18("9","3","5","5","4","3","1") = "8"
    & skf18("9","3","5","5","4","4","1") = "8"
    & skf18("9","3","5","5","4","5","1") = "8"
    & skf18("9","3","5","5","4","6","1") = "8"
    & skf18("9","3","5","5","4","7","1") = "8"
    & skf18("9","3","5","5","4","8","1") = "8"
    & skf18("9","3","5","5","4","9","1") = "8"
    & skf18("9","3","5","5","4","10","1") = "9"
    & skf18("9","3","5","5","5","1","1") = "8"
    & skf18("9","3","5","5","5","2","1") = "8"
    & skf18("9","3","5","5","5","3","1") = "8"
    & skf18("9","3","5","5","5","4","1") = "8"
    & skf18("9","3","5","5","5","5","1") = "8"
    & skf18("9","3","5","5","5","6","1") = "8"
    & skf18("9","3","5","5","5","7","1") = "8"
    & skf18("9","3","5","5","5","8","1") = "8"
    & skf18("9","3","5","5","5","9","1") = "8"
    & skf18("9","3","5","5","5","10","1") = "9"
    & skf18("9","3","5","5","6","1","1") = "8"
    & skf18("9","3","5","5","6","2","1") = "8"
    & skf18("9","3","5","5","6","3","1") = "8"
    & skf18("9","3","5","5","6","4","1") = "8"
    & skf18("9","3","5","5","6","5","1") = "8"
    & skf18("9","3","5","5","6","6","1") = "8"
    & skf18("9","3","5","5","6","7","1") = "8"
    & skf18("9","3","5","5","6","8","1") = "8"
    & skf18("9","3","5","5","6","9","1") = "8"
    & skf18("9","3","5","5","6","10","1") = "9"
    & skf18("9","3","5","5","7","1","1") = "8"
    & skf18("9","3","5","5","7","2","1") = "8"
    & skf18("9","3","5","5","7","3","1") = "8"
    & skf18("9","3","5","5","7","4","1") = "8"
    & skf18("9","3","5","5","7","5","1") = "8"
    & skf18("9","3","5","5","7","6","1") = "8"
    & skf18("9","3","5","5","7","7","1") = "8"
    & skf18("9","3","5","5","7","8","1") = "8"
    & skf18("9","3","5","5","7","9","1") = "8"
    & skf18("9","3","5","5","7","10","1") = "9"
    & skf18("9","3","5","5","8","1","1") = "8"
    & skf18("9","3","5","5","8","2","1") = "8"
    & skf18("9","3","5","5","8","3","1") = "8"
    & skf18("9","3","5","5","8","4","1") = "8"
    & skf18("9","3","5","5","8","5","1") = "8"
    & skf18("9","3","5","5","8","6","1") = "8"
    & skf18("9","3","5","5","8","7","1") = "8"
    & skf18("9","3","5","5","8","8","1") = "8"
    & skf18("9","3","5","5","8","9","1") = "8"
    & skf18("9","3","5","5","8","10","1") = "9"
    & skf18("9","3","5","5","9","1","1") = "8"
    & skf18("9","3","5","5","9","2","1") = "8"
    & skf18("9","3","5","5","9","3","1") = "8"
    & skf18("9","3","5","5","9","4","1") = "8"
    & skf18("9","3","5","5","9","5","1") = "8"
    & skf18("9","3","5","5","9","6","1") = "8"
    & skf18("9","3","5","5","9","7","1") = "8"
    & skf18("9","3","5","5","9","8","1") = "8"
    & skf18("9","3","5","5","9","9","1") = "8"
    & skf18("9","3","5","5","9","10","1") = "9"
    & skf18("9","3","5","5","10","1","1") = "9"
    & skf18("9","3","5","5","10","2","1") = "9"
    & skf18("9","3","5","5","10","3","1") = "9"
    & skf18("9","3","5","5","10","4","1") = "9"
    & skf18("9","3","5","5","10","5","1") = "9"
    & skf18("9","3","5","5","10","6","1") = "9"
    & skf18("9","3","5","5","10","7","1") = "9"
    & skf18("9","3","5","5","10","8","1") = "9"
    & skf18("9","3","5","5","10","9","1") = "9"
    & skf18("9","3","5","5","10","10","1") = "9"
    & skf18("9","3","5","6","1","1","1") = "8"
    & skf18("9","3","5","6","1","2","1") = "8"
    & skf18("9","3","5","6","1","3","1") = "8"
    & skf18("9","3","5","6","1","4","1") = "8"
    & skf18("9","3","5","6","1","5","1") = "8"
    & skf18("9","3","5","6","1","6","1") = "8"
    & skf18("9","3","5","6","1","7","1") = "8"
    & skf18("9","3","5","6","1","8","1") = "8"
    & skf18("9","3","5","6","1","9","1") = "8"
    & skf18("9","3","5","6","1","10","1") = "9"
    & skf18("9","3","5","6","2","1","1") = "8"
    & skf18("9","3","5","6","2","2","1") = "8"
    & skf18("9","3","5","6","2","3","1") = "8"
    & skf18("9","3","5","6","2","4","1") = "8"
    & skf18("9","3","5","6","2","5","1") = "8"
    & skf18("9","3","5","6","2","6","1") = "8"
    & skf18("9","3","5","6","2","7","1") = "8"
    & skf18("9","3","5","6","2","8","1") = "8"
    & skf18("9","3","5","6","2","9","1") = "8"
    & skf18("9","3","5","6","2","10","1") = "9"
    & skf18("9","3","5","6","3","1","1") = "8"
    & skf18("9","3","5","6","3","2","1") = "8"
    & skf18("9","3","5","6","3","3","1") = "8"
    & skf18("9","3","5","6","3","4","1") = "8"
    & skf18("9","3","5","6","3","5","1") = "8"
    & skf18("9","3","5","6","3","6","1") = "8"
    & skf18("9","3","5","6","3","7","1") = "8"
    & skf18("9","3","5","6","3","8","1") = "8"
    & skf18("9","3","5","6","3","9","1") = "8"
    & skf18("9","3","5","6","3","10","1") = "9"
    & skf18("9","3","5","6","4","1","1") = "8"
    & skf18("9","3","5","6","4","2","1") = "8"
    & skf18("9","3","5","6","4","3","1") = "8"
    & skf18("9","3","5","6","4","4","1") = "8"
    & skf18("9","3","5","6","4","5","1") = "8"
    & skf18("9","3","5","6","4","6","1") = "8"
    & skf18("9","3","5","6","4","7","1") = "8"
    & skf18("9","3","5","6","4","8","1") = "8"
    & skf18("9","3","5","6","4","9","1") = "8"
    & skf18("9","3","5","6","4","10","1") = "9"
    & skf18("9","3","5","6","5","1","1") = "8"
    & skf18("9","3","5","6","5","2","1") = "8"
    & skf18("9","3","5","6","5","3","1") = "8"
    & skf18("9","3","5","6","5","4","1") = "8"
    & skf18("9","3","5","6","5","5","1") = "8"
    & skf18("9","3","5","6","5","6","1") = "8"
    & skf18("9","3","5","6","5","7","1") = "8"
    & skf18("9","3","5","6","5","8","1") = "8"
    & skf18("9","3","5","6","5","9","1") = "8"
    & skf18("9","3","5","6","5","10","1") = "9"
    & skf18("9","3","5","6","6","1","1") = "8"
    & skf18("9","3","5","6","6","2","1") = "8"
    & skf18("9","3","5","6","6","3","1") = "8"
    & skf18("9","3","5","6","6","4","1") = "8"
    & skf18("9","3","5","6","6","5","1") = "8"
    & skf18("9","3","5","6","6","6","1") = "8"
    & skf18("9","3","5","6","6","7","1") = "8"
    & skf18("9","3","5","6","6","8","1") = "8"
    & skf18("9","3","5","6","6","9","1") = "8"
    & skf18("9","3","5","6","6","10","1") = "9"
    & skf18("9","3","5","6","7","1","1") = "8"
    & skf18("9","3","5","6","7","2","1") = "8"
    & skf18("9","3","5","6","7","3","1") = "8"
    & skf18("9","3","5","6","7","4","1") = "8"
    & skf18("9","3","5","6","7","5","1") = "8"
    & skf18("9","3","5","6","7","6","1") = "8"
    & skf18("9","3","5","6","7","7","1") = "8"
    & skf18("9","3","5","6","7","8","1") = "8"
    & skf18("9","3","5","6","7","9","1") = "8"
    & skf18("9","3","5","6","7","10","1") = "9"
    & skf18("9","3","5","6","8","1","1") = "8"
    & skf18("9","3","5","6","8","2","1") = "8"
    & skf18("9","3","5","6","8","3","1") = "8"
    & skf18("9","3","5","6","8","4","1") = "8"
    & skf18("9","3","5","6","8","5","1") = "8"
    & skf18("9","3","5","6","8","6","1") = "8"
    & skf18("9","3","5","6","8","7","1") = "8"
    & skf18("9","3","5","6","8","8","1") = "8"
    & skf18("9","3","5","6","8","9","1") = "8"
    & skf18("9","3","5","6","8","10","1") = "9"
    & skf18("9","3","5","6","9","1","1") = "8"
    & skf18("9","3","5","6","9","2","1") = "8"
    & skf18("9","3","5","6","9","3","1") = "8"
    & skf18("9","3","5","6","9","4","1") = "8"
    & skf18("9","3","5","6","9","5","1") = "8"
    & skf18("9","3","5","6","9","6","1") = "8"
    & skf18("9","3","5","6","9","7","1") = "8"
    & skf18("9","3","5","6","9","8","1") = "8"
    & skf18("9","3","5","6","9","9","1") = "8"
    & skf18("9","3","5","6","9","10","1") = "9"
    & skf18("9","3","5","6","10","1","1") = "9"
    & skf18("9","3","5","6","10","2","1") = "9"
    & skf18("9","3","5","6","10","3","1") = "9"
    & skf18("9","3","5","6","10","4","1") = "9"
    & skf18("9","3","5","6","10","5","1") = "9"
    & skf18("9","3","5","6","10","6","1") = "9"
    & skf18("9","3","5","6","10","7","1") = "9"
    & skf18("9","3","5","6","10","8","1") = "9"
    & skf18("9","3","5","6","10","9","1") = "9"
    & skf18("9","3","5","6","10","10","1") = "9"
    & skf18("9","3","5","7","1","1","1") = "8"
    & skf18("9","3","5","7","1","2","1") = "8"
    & skf18("9","3","5","7","1","3","1") = "8"
    & skf18("9","3","5","7","1","4","1") = "8"
    & skf18("9","3","5","7","1","5","1") = "8"
    & skf18("9","3","5","7","1","6","1") = "8"
    & skf18("9","3","5","7","1","7","1") = "8"
    & skf18("9","3","5","7","1","8","1") = "8"
    & skf18("9","3","5","7","1","9","1") = "8"
    & skf18("9","3","5","7","1","10","1") = "9"
    & skf18("9","3","5","7","2","1","1") = "8"
    & skf18("9","3","5","7","2","2","1") = "8"
    & skf18("9","3","5","7","2","3","1") = "8"
    & skf18("9","3","5","7","2","4","1") = "8"
    & skf18("9","3","5","7","2","5","1") = "8"
    & skf18("9","3","5","7","2","6","1") = "8"
    & skf18("9","3","5","7","2","7","1") = "8"
    & skf18("9","3","5","7","2","8","1") = "8"
    & skf18("9","3","5","7","2","9","1") = "8"
    & skf18("9","3","5","7","2","10","1") = "9"
    & skf18("9","3","5","7","3","1","1") = "8"
    & skf18("9","3","5","7","3","2","1") = "8"
    & skf18("9","3","5","7","3","3","1") = "8"
    & skf18("9","3","5","7","3","4","1") = "8"
    & skf18("9","3","5","7","3","5","1") = "8"
    & skf18("9","3","5","7","3","6","1") = "8"
    & skf18("9","3","5","7","3","7","1") = "8"
    & skf18("9","3","5","7","3","8","1") = "8"
    & skf18("9","3","5","7","3","9","1") = "8"
    & skf18("9","3","5","7","3","10","1") = "9"
    & skf18("9","3","5","7","4","1","1") = "8"
    & skf18("9","3","5","7","4","2","1") = "8"
    & skf18("9","3","5","7","4","3","1") = "8"
    & skf18("9","3","5","7","4","4","1") = "8"
    & skf18("9","3","5","7","4","5","1") = "8"
    & skf18("9","3","5","7","4","6","1") = "8"
    & skf18("9","3","5","7","4","7","1") = "8"
    & skf18("9","3","5","7","4","8","1") = "8"
    & skf18("9","3","5","7","4","9","1") = "8"
    & skf18("9","3","5","7","4","10","1") = "9"
    & skf18("9","3","5","7","5","1","1") = "8"
    & skf18("9","3","5","7","5","2","1") = "8"
    & skf18("9","3","5","7","5","3","1") = "8"
    & skf18("9","3","5","7","5","4","1") = "8"
    & skf18("9","3","5","7","5","5","1") = "8"
    & skf18("9","3","5","7","5","6","1") = "8"
    & skf18("9","3","5","7","5","7","1") = "8"
    & skf18("9","3","5","7","5","8","1") = "8"
    & skf18("9","3","5","7","5","9","1") = "8"
    & skf18("9","3","5","7","5","10","1") = "9"
    & skf18("9","3","5","7","6","1","1") = "8"
    & skf18("9","3","5","7","6","2","1") = "8"
    & skf18("9","3","5","7","6","3","1") = "8"
    & skf18("9","3","5","7","6","4","1") = "8"
    & skf18("9","3","5","7","6","5","1") = "8"
    & skf18("9","3","5","7","6","6","1") = "8"
    & skf18("9","3","5","7","6","7","1") = "8"
    & skf18("9","3","5","7","6","8","1") = "8"
    & skf18("9","3","5","7","6","9","1") = "8"
    & skf18("9","3","5","7","6","10","1") = "9"
    & skf18("9","3","5","7","7","1","1") = "8"
    & skf18("9","3","5","7","7","2","1") = "8"
    & skf18("9","3","5","7","7","3","1") = "8"
    & skf18("9","3","5","7","7","4","1") = "8"
    & skf18("9","3","5","7","7","5","1") = "8"
    & skf18("9","3","5","7","7","6","1") = "8"
    & skf18("9","3","5","7","7","7","1") = "8"
    & skf18("9","3","5","7","7","8","1") = "8"
    & skf18("9","3","5","7","7","9","1") = "8"
    & skf18("9","3","5","7","7","10","1") = "9"
    & skf18("9","3","5","7","8","1","1") = "8"
    & skf18("9","3","5","7","8","2","1") = "8"
    & skf18("9","3","5","7","8","3","1") = "8"
    & skf18("9","3","5","7","8","4","1") = "8"
    & skf18("9","3","5","7","8","5","1") = "8"
    & skf18("9","3","5","7","8","6","1") = "8"
    & skf18("9","3","5","7","8","7","1") = "8"
    & skf18("9","3","5","7","8","8","1") = "8"
    & skf18("9","3","5","7","8","9","1") = "8"
    & skf18("9","3","5","7","8","10","1") = "9"
    & skf18("9","3","5","7","9","1","1") = "8"
    & skf18("9","3","5","7","9","2","1") = "8"
    & skf18("9","3","5","7","9","3","1") = "8"
    & skf18("9","3","5","7","9","4","1") = "8"
    & skf18("9","3","5","7","9","5","1") = "8"
    & skf18("9","3","5","7","9","6","1") = "8"
    & skf18("9","3","5","7","9","7","1") = "8"
    & skf18("9","3","5","7","9","8","1") = "8"
    & skf18("9","3","5","7","9","9","1") = "8"
    & skf18("9","3","5","7","9","10","1") = "9"
    & skf18("9","3","5","7","10","1","1") = "9"
    & skf18("9","3","5","7","10","2","1") = "9"
    & skf18("9","3","5","7","10","3","1") = "9"
    & skf18("9","3","5","7","10","4","1") = "9"
    & skf18("9","3","5","7","10","5","1") = "9"
    & skf18("9","3","5","7","10","6","1") = "9"
    & skf18("9","3","5","7","10","7","1") = "9"
    & skf18("9","3","5","7","10","8","1") = "9"
    & skf18("9","3","5","7","10","9","1") = "9"
    & skf18("9","3","5","7","10","10","1") = "9"
    & skf18("9","3","5","8","1","1","1") = "8"
    & skf18("9","3","5","8","1","2","1") = "8"
    & skf18("9","3","5","8","1","3","1") = "8"
    & skf18("9","3","5","8","1","4","1") = "8"
    & skf18("9","3","5","8","1","5","1") = "8"
    & skf18("9","3","5","8","1","6","1") = "8"
    & skf18("9","3","5","8","1","7","1") = "8"
    & skf18("9","3","5","8","1","8","1") = "8"
    & skf18("9","3","5","8","1","9","1") = "8"
    & skf18("9","3","5","8","1","10","1") = "9"
    & skf18("9","3","5","8","2","1","1") = "8"
    & skf18("9","3","5","8","2","2","1") = "8"
    & skf18("9","3","5","8","2","3","1") = "8"
    & skf18("9","3","5","8","2","4","1") = "8"
    & skf18("9","3","5","8","2","5","1") = "8"
    & skf18("9","3","5","8","2","6","1") = "8"
    & skf18("9","3","5","8","2","7","1") = "8"
    & skf18("9","3","5","8","2","8","1") = "8"
    & skf18("9","3","5","8","2","9","1") = "8"
    & skf18("9","3","5","8","2","10","1") = "9"
    & skf18("9","3","5","8","3","1","1") = "8"
    & skf18("9","3","5","8","3","2","1") = "8"
    & skf18("9","3","5","8","3","3","1") = "8"
    & skf18("9","3","5","8","3","4","1") = "8"
    & skf18("9","3","5","8","3","5","1") = "8"
    & skf18("9","3","5","8","3","6","1") = "8"
    & skf18("9","3","5","8","3","7","1") = "8"
    & skf18("9","3","5","8","3","8","1") = "8"
    & skf18("9","3","5","8","3","9","1") = "8"
    & skf18("9","3","5","8","3","10","1") = "9"
    & skf18("9","3","5","8","4","1","1") = "8"
    & skf18("9","3","5","8","4","2","1") = "8"
    & skf18("9","3","5","8","4","3","1") = "8"
    & skf18("9","3","5","8","4","4","1") = "8"
    & skf18("9","3","5","8","4","5","1") = "8"
    & skf18("9","3","5","8","4","6","1") = "8"
    & skf18("9","3","5","8","4","7","1") = "8"
    & skf18("9","3","5","8","4","8","1") = "8"
    & skf18("9","3","5","8","4","9","1") = "8"
    & skf18("9","3","5","8","4","10","1") = "9"
    & skf18("9","3","5","8","5","1","1") = "8"
    & skf18("9","3","5","8","5","2","1") = "8"
    & skf18("9","3","5","8","5","3","1") = "8"
    & skf18("9","3","5","8","5","4","1") = "8"
    & skf18("9","3","5","8","5","5","1") = "8"
    & skf18("9","3","5","8","5","6","1") = "8"
    & skf18("9","3","5","8","5","7","1") = "8"
    & skf18("9","3","5","8","5","8","1") = "8"
    & skf18("9","3","5","8","5","9","1") = "8"
    & skf18("9","3","5","8","5","10","1") = "9"
    & skf18("9","3","5","8","6","1","1") = "8"
    & skf18("9","3","5","8","6","2","1") = "8"
    & skf18("9","3","5","8","6","3","1") = "8"
    & skf18("9","3","5","8","6","4","1") = "8"
    & skf18("9","3","5","8","6","5","1") = "8"
    & skf18("9","3","5","8","6","6","1") = "8"
    & skf18("9","3","5","8","6","7","1") = "8"
    & skf18("9","3","5","8","6","8","1") = "8"
    & skf18("9","3","5","8","6","9","1") = "8"
    & skf18("9","3","5","8","6","10","1") = "9"
    & skf18("9","3","5","8","7","1","1") = "8"
    & skf18("9","3","5","8","7","2","1") = "8"
    & skf18("9","3","5","8","7","3","1") = "8"
    & skf18("9","3","5","8","7","4","1") = "8"
    & skf18("9","3","5","8","7","5","1") = "8"
    & skf18("9","3","5","8","7","6","1") = "8"
    & skf18("9","3","5","8","7","7","1") = "8"
    & skf18("9","3","5","8","7","8","1") = "8"
    & skf18("9","3","5","8","7","9","1") = "8"
    & skf18("9","3","5","8","7","10","1") = "9"
    & skf18("9","3","5","8","8","1","1") = "8"
    & skf18("9","3","5","8","8","2","1") = "8"
    & skf18("9","3","5","8","8","3","1") = "8"
    & skf18("9","3","5","8","8","4","1") = "8"
    & skf18("9","3","5","8","8","5","1") = "8"
    & skf18("9","3","5","8","8","6","1") = "8"
    & skf18("9","3","5","8","8","7","1") = "8"
    & skf18("9","3","5","8","8","8","1") = "8"
    & skf18("9","3","5","8","8","9","1") = "8"
    & skf18("9","3","5","8","8","10","1") = "9"
    & skf18("9","3","5","8","9","1","1") = "8"
    & skf18("9","3","5","8","9","2","1") = "8"
    & skf18("9","3","5","8","9","3","1") = "8"
    & skf18("9","3","5","8","9","4","1") = "8"
    & skf18("9","3","5","8","9","5","1") = "8"
    & skf18("9","3","5","8","9","6","1") = "8"
    & skf18("9","3","5","8","9","7","1") = "8"
    & skf18("9","3","5","8","9","8","1") = "8"
    & skf18("9","3","5","8","9","9","1") = "8"
    & skf18("9","3","5","8","9","10","1") = "9"
    & skf18("9","3","5","8","10","1","1") = "9"
    & skf18("9","3","5","8","10","2","1") = "9"
    & skf18("9","3","5","8","10","3","1") = "9"
    & skf18("9","3","5","8","10","4","1") = "9"
    & skf18("9","3","5","8","10","5","1") = "9"
    & skf18("9","3","5","8","10","6","1") = "9"
    & skf18("9","3","5","8","10","7","1") = "9"
    & skf18("9","3","5","8","10","8","1") = "9"
    & skf18("9","3","5","8","10","9","1") = "9"
    & skf18("9","3","5","8","10","10","1") = "9"
    & skf18("9","3","5","9","1","1","1") = "8"
    & skf18("9","3","5","9","1","2","1") = "8"
    & skf18("9","3","5","9","1","3","1") = "8"
    & skf18("9","3","5","9","1","4","1") = "8"
    & skf18("9","3","5","9","1","5","1") = "8"
    & skf18("9","3","5","9","1","6","1") = "8"
    & skf18("9","3","5","9","1","7","1") = "8"
    & skf18("9","3","5","9","1","8","1") = "8"
    & skf18("9","3","5","9","1","9","1") = "8"
    & skf18("9","3","5","9","1","10","1") = "9"
    & skf18("9","3","5","9","2","1","1") = "8"
    & skf18("9","3","5","9","2","2","1") = "8"
    & skf18("9","3","5","9","2","3","1") = "8"
    & skf18("9","3","5","9","2","4","1") = "8"
    & skf18("9","3","5","9","2","5","1") = "8"
    & skf18("9","3","5","9","2","6","1") = "8"
    & skf18("9","3","5","9","2","7","1") = "8"
    & skf18("9","3","5","9","2","8","1") = "8"
    & skf18("9","3","5","9","2","9","1") = "8"
    & skf18("9","3","5","9","2","10","1") = "9"
    & skf18("9","3","5","9","3","1","1") = "8"
    & skf18("9","3","5","9","3","2","1") = "8"
    & skf18("9","3","5","9","3","3","1") = "8"
    & skf18("9","3","5","9","3","4","1") = "8"
    & skf18("9","3","5","9","3","5","1") = "8"
    & skf18("9","3","5","9","3","6","1") = "8"
    & skf18("9","3","5","9","3","7","1") = "8"
    & skf18("9","3","5","9","3","8","1") = "8"
    & skf18("9","3","5","9","3","9","1") = "8"
    & skf18("9","3","5","9","3","10","1") = "9"
    & skf18("9","3","5","9","4","1","1") = "8"
    & skf18("9","3","5","9","4","2","1") = "8"
    & skf18("9","3","5","9","4","3","1") = "8"
    & skf18("9","3","5","9","4","4","1") = "8"
    & skf18("9","3","5","9","4","5","1") = "8"
    & skf18("9","3","5","9","4","6","1") = "8"
    & skf18("9","3","5","9","4","7","1") = "8"
    & skf18("9","3","5","9","4","8","1") = "8"
    & skf18("9","3","5","9","4","9","1") = "8"
    & skf18("9","3","5","9","4","10","1") = "9"
    & skf18("9","3","5","9","5","1","1") = "8"
    & skf18("9","3","5","9","5","2","1") = "8"
    & skf18("9","3","5","9","5","3","1") = "8"
    & skf18("9","3","5","9","5","4","1") = "8"
    & skf18("9","3","5","9","5","5","1") = "8"
    & skf18("9","3","5","9","5","6","1") = "8"
    & skf18("9","3","5","9","5","7","1") = "8"
    & skf18("9","3","5","9","5","8","1") = "8"
    & skf18("9","3","5","9","5","9","1") = "8"
    & skf18("9","3","5","9","5","10","1") = "9"
    & skf18("9","3","5","9","6","1","1") = "8"
    & skf18("9","3","5","9","6","2","1") = "8"
    & skf18("9","3","5","9","6","3","1") = "8"
    & skf18("9","3","5","9","6","4","1") = "8"
    & skf18("9","3","5","9","6","5","1") = "8"
    & skf18("9","3","5","9","6","6","1") = "8"
    & skf18("9","3","5","9","6","7","1") = "8"
    & skf18("9","3","5","9","6","8","1") = "8"
    & skf18("9","3","5","9","6","9","1") = "8"
    & skf18("9","3","5","9","6","10","1") = "9"
    & skf18("9","3","5","9","7","1","1") = "8"
    & skf18("9","3","5","9","7","2","1") = "8"
    & skf18("9","3","5","9","7","3","1") = "8"
    & skf18("9","3","5","9","7","4","1") = "8"
    & skf18("9","3","5","9","7","5","1") = "8"
    & skf18("9","3","5","9","7","6","1") = "8"
    & skf18("9","3","5","9","7","7","1") = "8"
    & skf18("9","3","5","9","7","8","1") = "8"
    & skf18("9","3","5","9","7","9","1") = "8"
    & skf18("9","3","5","9","7","10","1") = "9"
    & skf18("9","3","5","9","8","1","1") = "8"
    & skf18("9","3","5","9","8","2","1") = "8"
    & skf18("9","3","5","9","8","3","1") = "8"
    & skf18("9","3","5","9","8","4","1") = "8"
    & skf18("9","3","5","9","8","5","1") = "8"
    & skf18("9","3","5","9","8","6","1") = "8"
    & skf18("9","3","5","9","8","7","1") = "8"
    & skf18("9","3","5","9","8","8","1") = "8"
    & skf18("9","3","5","9","8","9","1") = "8"
    & skf18("9","3","5","9","8","10","1") = "9"
    & skf18("9","3","5","9","9","1","1") = "8"
    & skf18("9","3","5","9","9","2","1") = "8"
    & skf18("9","3","5","9","9","3","1") = "8"
    & skf18("9","3","5","9","9","4","1") = "8"
    & skf18("9","3","5","9","9","5","1") = "8"
    & skf18("9","3","5","9","9","6","1") = "8"
    & skf18("9","3","5","9","9","7","1") = "8"
    & skf18("9","3","5","9","9","8","1") = "8"
    & skf18("9","3","5","9","9","9","1") = "8"
    & skf18("9","3","5","9","9","10","1") = "9"
    & skf18("9","3","5","9","10","1","1") = "9"
    & skf18("9","3","5","9","10","2","1") = "9"
    & skf18("9","3","5","9","10","3","1") = "9"
    & skf18("9","3","5","9","10","4","1") = "9"
    & skf18("9","3","5","9","10","5","1") = "9"
    & skf18("9","3","5","9","10","6","1") = "9"
    & skf18("9","3","5","9","10","7","1") = "9"
    & skf18("9","3","5","9","10","8","1") = "9"
    & skf18("9","3","5","9","10","9","1") = "9"
    & skf18("9","3","5","9","10","10","1") = "9"
    & skf18("9","3","5","10","1","1","1") = "9"
    & skf18("9","3","5","10","1","2","1") = "9"
    & skf18("9","3","5","10","1","3","1") = "9"
    & skf18("9","3","5","10","1","4","1") = "9"
    & skf18("9","3","5","10","1","5","1") = "9"
    & skf18("9","3","5","10","1","6","1") = "9"
    & skf18("9","3","5","10","1","7","1") = "9"
    & skf18("9","3","5","10","1","8","1") = "9"
    & skf18("9","3","5","10","1","9","1") = "9"
    & skf18("9","3","5","10","1","10","1") = "9"
    & skf18("9","3","5","10","2","1","1") = "9"
    & skf18("9","3","5","10","2","2","1") = "9"
    & skf18("9","3","5","10","2","3","1") = "9"
    & skf18("9","3","5","10","2","4","1") = "9"
    & skf18("9","3","5","10","2","5","1") = "9"
    & skf18("9","3","5","10","2","6","1") = "9"
    & skf18("9","3","5","10","2","7","1") = "9"
    & skf18("9","3","5","10","2","8","1") = "9"
    & skf18("9","3","5","10","2","9","1") = "9"
    & skf18("9","3","5","10","2","10","1") = "9"
    & skf18("9","3","5","10","3","1","1") = "9"
    & skf18("9","3","5","10","3","2","1") = "9"
    & skf18("9","3","5","10","3","3","1") = "9"
    & skf18("9","3","5","10","3","4","1") = "9"
    & skf18("9","3","5","10","3","5","1") = "9"
    & skf18("9","3","5","10","3","6","1") = "9"
    & skf18("9","3","5","10","3","7","1") = "9"
    & skf18("9","3","5","10","3","8","1") = "9"
    & skf18("9","3","5","10","3","9","1") = "9"
    & skf18("9","3","5","10","3","10","1") = "9"
    & skf18("9","3","5","10","4","1","1") = "9"
    & skf18("9","3","5","10","4","2","1") = "9"
    & skf18("9","3","5","10","4","3","1") = "9"
    & skf18("9","3","5","10","4","4","1") = "9"
    & skf18("9","3","5","10","4","5","1") = "9"
    & skf18("9","3","5","10","4","6","1") = "9"
    & skf18("9","3","5","10","4","7","1") = "9"
    & skf18("9","3","5","10","4","8","1") = "9"
    & skf18("9","3","5","10","4","9","1") = "9"
    & skf18("9","3","5","10","4","10","1") = "9"
    & skf18("9","3","5","10","5","1","1") = "9"
    & skf18("9","3","5","10","5","2","1") = "9"
    & skf18("9","3","5","10","5","3","1") = "9"
    & skf18("9","3","5","10","5","4","1") = "9"
    & skf18("9","3","5","10","5","5","1") = "9"
    & skf18("9","3","5","10","5","6","1") = "9"
    & skf18("9","3","5","10","5","7","1") = "9"
    & skf18("9","3","5","10","5","8","1") = "9"
    & skf18("9","3","5","10","5","9","1") = "9"
    & skf18("9","3","5","10","5","10","1") = "9"
    & skf18("9","3","5","10","6","1","1") = "9"
    & skf18("9","3","5","10","6","2","1") = "9"
    & skf18("9","3","5","10","6","3","1") = "9"
    & skf18("9","3","5","10","6","4","1") = "9"
    & skf18("9","3","5","10","6","5","1") = "9"
    & skf18("9","3","5","10","6","6","1") = "9"
    & skf18("9","3","5","10","6","7","1") = "9"
    & skf18("9","3","5","10","6","8","1") = "9"
    & skf18("9","3","5","10","6","9","1") = "9"
    & skf18("9","3","5","10","6","10","1") = "9"
    & skf18("9","3","5","10","7","1","1") = "9"
    & skf18("9","3","5","10","7","2","1") = "9"
    & skf18("9","3","5","10","7","3","1") = "9"
    & skf18("9","3","5","10","7","4","1") = "9"
    & skf18("9","3","5","10","7","5","1") = "9"
    & skf18("9","3","5","10","7","6","1") = "9"
    & skf18("9","3","5","10","7","7","1") = "9"
    & skf18("9","3","5","10","7","8","1") = "9"
    & skf18("9","3","5","10","7","9","1") = "9"
    & skf18("9","3","5","10","7","10","1") = "9"
    & skf18("9","3","5","10","8","1","1") = "9"
    & skf18("9","3","5","10","8","2","1") = "9"
    & skf18("9","3","5","10","8","3","1") = "9"
    & skf18("9","3","5","10","8","4","1") = "9"
    & skf18("9","3","5","10","8","5","1") = "9"
    & skf18("9","3","5","10","8","6","1") = "9"
    & skf18("9","3","5","10","8","7","1") = "9"
    & skf18("9","3","5","10","8","8","1") = "9"
    & skf18("9","3","5","10","8","9","1") = "9"
    & skf18("9","3","5","10","8","10","1") = "9"
    & skf18("9","3","5","10","9","1","1") = "9"
    & skf18("9","3","5","10","9","2","1") = "9"
    & skf18("9","3","5","10","9","3","1") = "9"
    & skf18("9","3","5","10","9","4","1") = "9"
    & skf18("9","3","5","10","9","5","1") = "9"
    & skf18("9","3","5","10","9","6","1") = "9"
    & skf18("9","3","5","10","9","7","1") = "9"
    & skf18("9","3","5","10","9","8","1") = "9"
    & skf18("9","3","5","10","9","9","1") = "9"
    & skf18("9","3","5","10","9","10","1") = "9"
    & skf18("9","3","5","10","10","1","1") = "9"
    & skf18("9","3","5","10","10","2","1") = "9"
    & skf18("9","3","5","10","10","3","1") = "9"
    & skf18("9","3","5","10","10","4","1") = "9"
    & skf18("9","3","5","10","10","5","1") = "9"
    & skf18("9","3","5","10","10","6","1") = "9"
    & skf18("9","3","5","10","10","7","1") = "9"
    & skf18("9","3","5","10","10","8","1") = "9"
    & skf18("9","3","5","10","10","9","1") = "9"
    & skf18("9","3","5","10","10","10","1") = "9"
    & skf18("9","3","6","1","1","1","1") = "8"
    & skf18("9","3","6","1","1","2","1") = "8"
    & skf18("9","3","6","1","1","3","1") = "8"
    & skf18("9","3","6","1","1","4","1") = "8"
    & skf18("9","3","6","1","1","5","1") = "8"
    & skf18("9","3","6","1","1","6","1") = "8"
    & skf18("9","3","6","1","1","7","1") = "8"
    & skf18("9","3","6","1","1","8","1") = "8"
    & skf18("9","3","6","1","1","9","1") = "8"
    & skf18("9","3","6","1","1","10","1") = "9"
    & skf18("9","3","6","1","2","1","1") = "8"
    & skf18("9","3","6","1","2","2","1") = "8"
    & skf18("9","3","6","1","2","3","1") = "8"
    & skf18("9","3","6","1","2","4","1") = "8"
    & skf18("9","3","6","1","2","5","1") = "8"
    & skf18("9","3","6","1","2","6","1") = "8"
    & skf18("9","3","6","1","2","7","1") = "8"
    & skf18("9","3","6","1","2","8","1") = "8"
    & skf18("9","3","6","1","2","9","1") = "8"
    & skf18("9","3","6","1","2","10","1") = "9"
    & skf18("9","3","6","1","3","1","1") = "8"
    & skf18("9","3","6","1","3","2","1") = "8"
    & skf18("9","3","6","1","3","3","1") = "8"
    & skf18("9","3","6","1","3","4","1") = "8"
    & skf18("9","3","6","1","3","5","1") = "8"
    & skf18("9","3","6","1","3","6","1") = "8"
    & skf18("9","3","6","1","3","7","1") = "8"
    & skf18("9","3","6","1","3","8","1") = "8"
    & skf18("9","3","6","1","3","9","1") = "8"
    & skf18("9","3","6","1","3","10","1") = "9"
    & skf18("9","3","6","1","4","1","1") = "8"
    & skf18("9","3","6","1","4","2","1") = "8"
    & skf18("9","3","6","1","4","3","1") = "8"
    & skf18("9","3","6","1","4","4","1") = "8"
    & skf18("9","3","6","1","4","5","1") = "8"
    & skf18("9","3","6","1","4","6","1") = "8"
    & skf18("9","3","6","1","4","7","1") = "8"
    & skf18("9","3","6","1","4","8","1") = "8"
    & skf18("9","3","6","1","4","9","1") = "8"
    & skf18("9","3","6","1","4","10","1") = "9"
    & skf18("9","3","6","1","5","1","1") = "8"
    & skf18("9","3","6","1","5","2","1") = "8"
    & skf18("9","3","6","1","5","3","1") = "8"
    & skf18("9","3","6","1","5","4","1") = "8"
    & skf18("9","3","6","1","5","5","1") = "8"
    & skf18("9","3","6","1","5","6","1") = "8"
    & skf18("9","3","6","1","5","7","1") = "8"
    & skf18("9","3","6","1","5","8","1") = "8"
    & skf18("9","3","6","1","5","9","1") = "8"
    & skf18("9","3","6","1","5","10","1") = "9"
    & skf18("9","3","6","1","6","1","1") = "8"
    & skf18("9","3","6","1","6","2","1") = "8"
    & skf18("9","3","6","1","6","3","1") = "8"
    & skf18("9","3","6","1","6","4","1") = "8"
    & skf18("9","3","6","1","6","5","1") = "8"
    & skf18("9","3","6","1","6","6","1") = "8"
    & skf18("9","3","6","1","6","7","1") = "8"
    & skf18("9","3","6","1","6","8","1") = "8"
    & skf18("9","3","6","1","6","9","1") = "8"
    & skf18("9","3","6","1","6","10","1") = "9"
    & skf18("9","3","6","1","7","1","1") = "8"
    & skf18("9","3","6","1","7","2","1") = "8"
    & skf18("9","3","6","1","7","3","1") = "8"
    & skf18("9","3","6","1","7","4","1") = "8"
    & skf18("9","3","6","1","7","5","1") = "8"
    & skf18("9","3","6","1","7","6","1") = "8"
    & skf18("9","3","6","1","7","7","1") = "8"
    & skf18("9","3","6","1","7","8","1") = "8"
    & skf18("9","3","6","1","7","9","1") = "8"
    & skf18("9","3","6","1","7","10","1") = "9"
    & skf18("9","3","6","1","8","1","1") = "8"
    & skf18("9","3","6","1","8","2","1") = "8"
    & skf18("9","3","6","1","8","3","1") = "8"
    & skf18("9","3","6","1","8","4","1") = "8"
    & skf18("9","3","6","1","8","5","1") = "8"
    & skf18("9","3","6","1","8","6","1") = "8"
    & skf18("9","3","6","1","8","7","1") = "8"
    & skf18("9","3","6","1","8","8","1") = "8"
    & skf18("9","3","6","1","8","9","1") = "8"
    & skf18("9","3","6","1","8","10","1") = "9"
    & skf18("9","3","6","1","9","1","1") = "8"
    & skf18("9","3","6","1","9","2","1") = "8"
    & skf18("9","3","6","1","9","3","1") = "8"
    & skf18("9","3","6","1","9","4","1") = "8"
    & skf18("9","3","6","1","9","5","1") = "8"
    & skf18("9","3","6","1","9","6","1") = "8"
    & skf18("9","3","6","1","9","7","1") = "8"
    & skf18("9","3","6","1","9","8","1") = "8"
    & skf18("9","3","6","1","9","9","1") = "8"
    & skf18("9","3","6","1","9","10","1") = "9"
    & skf18("9","3","6","1","10","1","1") = "9"
    & skf18("9","3","6","1","10","2","1") = "9"
    & skf18("9","3","6","1","10","3","1") = "9"
    & skf18("9","3","6","1","10","4","1") = "9"
    & skf18("9","3","6","1","10","5","1") = "9"
    & skf18("9","3","6","1","10","6","1") = "9"
    & skf18("9","3","6","1","10","7","1") = "9"
    & skf18("9","3","6","1","10","8","1") = "9"
    & skf18("9","3","6","1","10","9","1") = "9"
    & skf18("9","3","6","1","10","10","1") = "9"
    & skf18("9","3","6","2","1","1","1") = "8"
    & skf18("9","3","6","2","1","2","1") = "8"
    & skf18("9","3","6","2","1","3","1") = "8"
    & skf18("9","3","6","2","1","4","1") = "8"
    & skf18("9","3","6","2","1","5","1") = "8"
    & skf18("9","3","6","2","1","6","1") = "8"
    & skf18("9","3","6","2","1","7","1") = "8"
    & skf18("9","3","6","2","1","8","1") = "8"
    & skf18("9","3","6","2","1","9","1") = "8"
    & skf18("9","3","6","2","1","10","1") = "9"
    & skf18("9","3","6","2","2","1","1") = "8"
    & skf18("9","3","6","2","2","2","1") = "8"
    & skf18("9","3","6","2","2","3","1") = "8"
    & skf18("9","3","6","2","2","4","1") = "8"
    & skf18("9","3","6","2","2","5","1") = "8"
    & skf18("9","3","6","2","2","6","1") = "8"
    & skf18("9","3","6","2","2","7","1") = "8"
    & skf18("9","3","6","2","2","8","1") = "8"
    & skf18("9","3","6","2","2","9","1") = "8"
    & skf18("9","3","6","2","2","10","1") = "9"
    & skf18("9","3","6","2","3","1","1") = "8"
    & skf18("9","3","6","2","3","2","1") = "8"
    & skf18("9","3","6","2","3","3","1") = "8"
    & skf18("9","3","6","2","3","4","1") = "8"
    & skf18("9","3","6","2","3","5","1") = "8"
    & skf18("9","3","6","2","3","6","1") = "8"
    & skf18("9","3","6","2","3","7","1") = "8"
    & skf18("9","3","6","2","3","8","1") = "8"
    & skf18("9","3","6","2","3","9","1") = "8"
    & skf18("9","3","6","2","3","10","1") = "9"
    & skf18("9","3","6","2","4","1","1") = "8"
    & skf18("9","3","6","2","4","2","1") = "8"
    & skf18("9","3","6","2","4","3","1") = "8"
    & skf18("9","3","6","2","4","4","1") = "8"
    & skf18("9","3","6","2","4","5","1") = "8"
    & skf18("9","3","6","2","4","6","1") = "8"
    & skf18("9","3","6","2","4","7","1") = "8"
    & skf18("9","3","6","2","4","8","1") = "8"
    & skf18("9","3","6","2","4","9","1") = "8"
    & skf18("9","3","6","2","4","10","1") = "9"
    & skf18("9","3","6","2","5","1","1") = "8"
    & skf18("9","3","6","2","5","2","1") = "8"
    & skf18("9","3","6","2","5","3","1") = "8"
    & skf18("9","3","6","2","5","4","1") = "8"
    & skf18("9","3","6","2","5","5","1") = "8"
    & skf18("9","3","6","2","5","6","1") = "8"
    & skf18("9","3","6","2","5","7","1") = "8"
    & skf18("9","3","6","2","5","8","1") = "8"
    & skf18("9","3","6","2","5","9","1") = "8"
    & skf18("9","3","6","2","5","10","1") = "9"
    & skf18("9","3","6","2","6","1","1") = "8"
    & skf18("9","3","6","2","6","2","1") = "8"
    & skf18("9","3","6","2","6","3","1") = "8"
    & skf18("9","3","6","2","6","4","1") = "8"
    & skf18("9","3","6","2","6","5","1") = "8"
    & skf18("9","3","6","2","6","6","1") = "8"
    & skf18("9","3","6","2","6","7","1") = "8"
    & skf18("9","3","6","2","6","8","1") = "8"
    & skf18("9","3","6","2","6","9","1") = "8"
    & skf18("9","3","6","2","6","10","1") = "9"
    & skf18("9","3","6","2","7","1","1") = "8"
    & skf18("9","3","6","2","7","2","1") = "8"
    & skf18("9","3","6","2","7","3","1") = "8"
    & skf18("9","3","6","2","7","4","1") = "8"
    & skf18("9","3","6","2","7","5","1") = "8"
    & skf18("9","3","6","2","7","6","1") = "8"
    & skf18("9","3","6","2","7","7","1") = "8"
    & skf18("9","3","6","2","7","8","1") = "8"
    & skf18("9","3","6","2","7","9","1") = "8"
    & skf18("9","3","6","2","7","10","1") = "9"
    & skf18("9","3","6","2","8","1","1") = "8"
    & skf18("9","3","6","2","8","2","1") = "8"
    & skf18("9","3","6","2","8","3","1") = "8"
    & skf18("9","3","6","2","8","4","1") = "8"
    & skf18("9","3","6","2","8","5","1") = "8"
    & skf18("9","3","6","2","8","6","1") = "8"
    & skf18("9","3","6","2","8","7","1") = "8"
    & skf18("9","3","6","2","8","8","1") = "8"
    & skf18("9","3","6","2","8","9","1") = "8"
    & skf18("9","3","6","2","8","10","1") = "9"
    & skf18("9","3","6","2","9","1","1") = "8"
    & skf18("9","3","6","2","9","2","1") = "8"
    & skf18("9","3","6","2","9","3","1") = "8"
    & skf18("9","3","6","2","9","4","1") = "8"
    & skf18("9","3","6","2","9","5","1") = "8"
    & skf18("9","3","6","2","9","6","1") = "8"
    & skf18("9","3","6","2","9","7","1") = "8"
    & skf18("9","3","6","2","9","8","1") = "8"
    & skf18("9","3","6","2","9","9","1") = "8"
    & skf18("9","3","6","2","9","10","1") = "9"
    & skf18("9","3","6","2","10","1","1") = "9"
    & skf18("9","3","6","2","10","2","1") = "9"
    & skf18("9","3","6","2","10","3","1") = "9"
    & skf18("9","3","6","2","10","4","1") = "9"
    & skf18("9","3","6","2","10","5","1") = "9"
    & skf18("9","3","6","2","10","6","1") = "9"
    & skf18("9","3","6","2","10","7","1") = "9"
    & skf18("9","3","6","2","10","8","1") = "9"
    & skf18("9","3","6","2","10","9","1") = "9"
    & skf18("9","3","6","2","10","10","1") = "9"
    & skf18("9","3","6","3","1","1","1") = "8"
    & skf18("9","3","6","3","1","2","1") = "8"
    & skf18("9","3","6","3","1","3","1") = "8"
    & skf18("9","3","6","3","1","4","1") = "8"
    & skf18("9","3","6","3","1","5","1") = "8"
    & skf18("9","3","6","3","1","6","1") = "8"
    & skf18("9","3","6","3","1","7","1") = "8"
    & skf18("9","3","6","3","1","8","1") = "8"
    & skf18("9","3","6","3","1","9","1") = "8"
    & skf18("9","3","6","3","1","10","1") = "9"
    & skf18("9","3","6","3","2","1","1") = "8"
    & skf18("9","3","6","3","2","2","1") = "8"
    & skf18("9","3","6","3","2","3","1") = "8"
    & skf18("9","3","6","3","2","4","1") = "8"
    & skf18("9","3","6","3","2","5","1") = "8"
    & skf18("9","3","6","3","2","6","1") = "8"
    & skf18("9","3","6","3","2","7","1") = "8"
    & skf18("9","3","6","3","2","8","1") = "8"
    & skf18("9","3","6","3","2","9","1") = "8"
    & skf18("9","3","6","3","2","10","1") = "9"
    & skf18("9","3","6","3","3","1","1") = "8"
    & skf18("9","3","6","3","3","2","1") = "8"
    & skf18("9","3","6","3","3","3","1") = "8"
    & skf18("9","3","6","3","3","4","1") = "8"
    & skf18("9","3","6","3","3","5","1") = "8"
    & skf18("9","3","6","3","3","6","1") = "8"
    & skf18("9","3","6","3","3","7","1") = "8"
    & skf18("9","3","6","3","3","8","1") = "8"
    & skf18("9","3","6","3","3","9","1") = "8"
    & skf18("9","3","6","3","3","10","1") = "9"
    & skf18("9","3","6","3","4","1","1") = "8"
    & skf18("9","3","6","3","4","2","1") = "8"
    & skf18("9","3","6","3","4","3","1") = "8"
    & skf18("9","3","6","3","4","4","1") = "8"
    & skf18("9","3","6","3","4","5","1") = "8"
    & skf18("9","3","6","3","4","6","1") = "8"
    & skf18("9","3","6","3","4","7","1") = "8"
    & skf18("9","3","6","3","4","8","1") = "8"
    & skf18("9","3","6","3","4","9","1") = "8"
    & skf18("9","3","6","3","4","10","1") = "9"
    & skf18("9","3","6","3","5","1","1") = "8"
    & skf18("9","3","6","3","5","2","1") = "8"
    & skf18("9","3","6","3","5","3","1") = "8"
    & skf18("9","3","6","3","5","4","1") = "8"
    & skf18("9","3","6","3","5","5","1") = "8"
    & skf18("9","3","6","3","5","6","1") = "8"
    & skf18("9","3","6","3","5","7","1") = "8"
    & skf18("9","3","6","3","5","8","1") = "8"
    & skf18("9","3","6","3","5","9","1") = "8"
    & skf18("9","3","6","3","5","10","1") = "9"
    & skf18("9","3","6","3","6","1","1") = "8"
    & skf18("9","3","6","3","6","2","1") = "8"
    & skf18("9","3","6","3","6","3","1") = "8"
    & skf18("9","3","6","3","6","4","1") = "8"
    & skf18("9","3","6","3","6","5","1") = "8"
    & skf18("9","3","6","3","6","6","1") = "8"
    & skf18("9","3","6","3","6","7","1") = "8"
    & skf18("9","3","6","3","6","8","1") = "8"
    & skf18("9","3","6","3","6","9","1") = "8"
    & skf18("9","3","6","3","6","10","1") = "9"
    & skf18("9","3","6","3","7","1","1") = "8"
    & skf18("9","3","6","3","7","2","1") = "8"
    & skf18("9","3","6","3","7","3","1") = "8"
    & skf18("9","3","6","3","7","4","1") = "8"
    & skf18("9","3","6","3","7","5","1") = "8"
    & skf18("9","3","6","3","7","6","1") = "8"
    & skf18("9","3","6","3","7","7","1") = "8"
    & skf18("9","3","6","3","7","8","1") = "8"
    & skf18("9","3","6","3","7","9","1") = "8"
    & skf18("9","3","6","3","7","10","1") = "9"
    & skf18("9","3","6","3","8","1","1") = "8"
    & skf18("9","3","6","3","8","2","1") = "8"
    & skf18("9","3","6","3","8","3","1") = "8"
    & skf18("9","3","6","3","8","4","1") = "8"
    & skf18("9","3","6","3","8","5","1") = "8"
    & skf18("9","3","6","3","8","6","1") = "8"
    & skf18("9","3","6","3","8","7","1") = "8"
    & skf18("9","3","6","3","8","8","1") = "8"
    & skf18("9","3","6","3","8","9","1") = "8"
    & skf18("9","3","6","3","8","10","1") = "9"
    & skf18("9","3","6","3","9","1","1") = "8"
    & skf18("9","3","6","3","9","2","1") = "8"
    & skf18("9","3","6","3","9","3","1") = "8"
    & skf18("9","3","6","3","9","4","1") = "8"
    & skf18("9","3","6","3","9","5","1") = "8"
    & skf18("9","3","6","3","9","6","1") = "8"
    & skf18("9","3","6","3","9","7","1") = "8"
    & skf18("9","3","6","3","9","8","1") = "8"
    & skf18("9","3","6","3","9","9","1") = "8"
    & skf18("9","3","6","3","9","10","1") = "9"
    & skf18("9","3","6","3","10","1","1") = "9"
    & skf18("9","3","6","3","10","2","1") = "9"
    & skf18("9","3","6","3","10","3","1") = "9"
    & skf18("9","3","6","3","10","4","1") = "9"
    & skf18("9","3","6","3","10","5","1") = "9"
    & skf18("9","3","6","3","10","6","1") = "9"
    & skf18("9","3","6","3","10","7","1") = "9"
    & skf18("9","3","6","3","10","8","1") = "9"
    & skf18("9","3","6","3","10","9","1") = "9"
    & skf18("9","3","6","3","10","10","1") = "9"
    & skf18("9","3","6","4","1","1","1") = "8"
    & skf18("9","3","6","4","1","2","1") = "8"
    & skf18("9","3","6","4","1","3","1") = "8"
    & skf18("9","3","6","4","1","4","1") = "8"
    & skf18("9","3","6","4","1","5","1") = "8"
    & skf18("9","3","6","4","1","6","1") = "8"
    & skf18("9","3","6","4","1","7","1") = "8"
    & skf18("9","3","6","4","1","8","1") = "8"
    & skf18("9","3","6","4","1","9","1") = "8"
    & skf18("9","3","6","4","1","10","1") = "9"
    & skf18("9","3","6","4","2","1","1") = "8"
    & skf18("9","3","6","4","2","2","1") = "8"
    & skf18("9","3","6","4","2","3","1") = "8"
    & skf18("9","3","6","4","2","4","1") = "8"
    & skf18("9","3","6","4","2","5","1") = "8"
    & skf18("9","3","6","4","2","6","1") = "8"
    & skf18("9","3","6","4","2","7","1") = "8"
    & skf18("9","3","6","4","2","8","1") = "8"
    & skf18("9","3","6","4","2","9","1") = "8"
    & skf18("9","3","6","4","2","10","1") = "9"
    & skf18("9","3","6","4","3","1","1") = "8"
    & skf18("9","3","6","4","3","2","1") = "8"
    & skf18("9","3","6","4","3","3","1") = "8"
    & skf18("9","3","6","4","3","4","1") = "8"
    & skf18("9","3","6","4","3","5","1") = "8"
    & skf18("9","3","6","4","3","6","1") = "8"
    & skf18("9","3","6","4","3","7","1") = "8"
    & skf18("9","3","6","4","3","8","1") = "8"
    & skf18("9","3","6","4","3","9","1") = "8"
    & skf18("9","3","6","4","3","10","1") = "9"
    & skf18("9","3","6","4","4","1","1") = "8"
    & skf18("9","3","6","4","4","2","1") = "8"
    & skf18("9","3","6","4","4","3","1") = "8"
    & skf18("9","3","6","4","4","4","1") = "8"
    & skf18("9","3","6","4","4","5","1") = "8"
    & skf18("9","3","6","4","4","6","1") = "8"
    & skf18("9","3","6","4","4","7","1") = "8"
    & skf18("9","3","6","4","4","8","1") = "8"
    & skf18("9","3","6","4","4","9","1") = "8"
    & skf18("9","3","6","4","4","10","1") = "9"
    & skf18("9","3","6","4","5","1","1") = "8"
    & skf18("9","3","6","4","5","2","1") = "8"
    & skf18("9","3","6","4","5","3","1") = "8"
    & skf18("9","3","6","4","5","4","1") = "8"
    & skf18("9","3","6","4","5","5","1") = "8"
    & skf18("9","3","6","4","5","6","1") = "8"
    & skf18("9","3","6","4","5","7","1") = "8"
    & skf18("9","3","6","4","5","8","1") = "8"
    & skf18("9","3","6","4","5","9","1") = "8"
    & skf18("9","3","6","4","5","10","1") = "9"
    & skf18("9","3","6","4","6","1","1") = "8"
    & skf18("9","3","6","4","6","2","1") = "8"
    & skf18("9","3","6","4","6","3","1") = "8"
    & skf18("9","3","6","4","6","4","1") = "8"
    & skf18("9","3","6","4","6","5","1") = "8"
    & skf18("9","3","6","4","6","6","1") = "8"
    & skf18("9","3","6","4","6","7","1") = "8"
    & skf18("9","3","6","4","6","8","1") = "8"
    & skf18("9","3","6","4","6","9","1") = "8"
    & skf18("9","3","6","4","6","10","1") = "9"
    & skf18("9","3","6","4","7","1","1") = "8"
    & skf18("9","3","6","4","7","2","1") = "8"
    & skf18("9","3","6","4","7","3","1") = "8"
    & skf18("9","3","6","4","7","4","1") = "8"
    & skf18("9","3","6","4","7","5","1") = "8"
    & skf18("9","3","6","4","7","6","1") = "8"
    & skf18("9","3","6","4","7","7","1") = "8"
    & skf18("9","3","6","4","7","8","1") = "8"
    & skf18("9","3","6","4","7","9","1") = "8"
    & skf18("9","3","6","4","7","10","1") = "9"
    & skf18("9","3","6","4","8","1","1") = "8"
    & skf18("9","3","6","4","8","2","1") = "8"
    & skf18("9","3","6","4","8","3","1") = "8"
    & skf18("9","3","6","4","8","4","1") = "8"
    & skf18("9","3","6","4","8","5","1") = "8"
    & skf18("9","3","6","4","8","6","1") = "8"
    & skf18("9","3","6","4","8","7","1") = "8"
    & skf18("9","3","6","4","8","8","1") = "8"
    & skf18("9","3","6","4","8","9","1") = "8"
    & skf18("9","3","6","4","8","10","1") = "9"
    & skf18("9","3","6","4","9","1","1") = "8"
    & skf18("9","3","6","4","9","2","1") = "8"
    & skf18("9","3","6","4","9","3","1") = "8"
    & skf18("9","3","6","4","9","4","1") = "8"
    & skf18("9","3","6","4","9","5","1") = "8"
    & skf18("9","3","6","4","9","6","1") = "8"
    & skf18("9","3","6","4","9","7","1") = "8"
    & skf18("9","3","6","4","9","8","1") = "8"
    & skf18("9","3","6","4","9","9","1") = "8"
    & skf18("9","3","6","4","9","10","1") = "9"
    & skf18("9","3","6","4","10","1","1") = "9"
    & skf18("9","3","6","4","10","2","1") = "9"
    & skf18("9","3","6","4","10","3","1") = "9"
    & skf18("9","3","6","4","10","4","1") = "9"
    & skf18("9","3","6","4","10","5","1") = "9"
    & skf18("9","3","6","4","10","6","1") = "9"
    & skf18("9","3","6","4","10","7","1") = "9"
    & skf18("9","3","6","4","10","8","1") = "9"
    & skf18("9","3","6","4","10","9","1") = "9"
    & skf18("9","3","6","4","10","10","1") = "9"
    & skf18("9","3","6","5","1","1","1") = "8"
    & skf18("9","3","6","5","1","2","1") = "8"
    & skf18("9","3","6","5","1","3","1") = "8"
    & skf18("9","3","6","5","1","4","1") = "8"
    & skf18("9","3","6","5","1","5","1") = "8"
    & skf18("9","3","6","5","1","6","1") = "8"
    & skf18("9","3","6","5","1","7","1") = "8"
    & skf18("9","3","6","5","1","8","1") = "8"
    & skf18("9","3","6","5","1","9","1") = "8"
    & skf18("9","3","6","5","1","10","1") = "9"
    & skf18("9","3","6","5","2","1","1") = "8"
    & skf18("9","3","6","5","2","2","1") = "8"
    & skf18("9","3","6","5","2","3","1") = "8"
    & skf18("9","3","6","5","2","4","1") = "8"
    & skf18("9","3","6","5","2","5","1") = "8"
    & skf18("9","3","6","5","2","6","1") = "8"
    & skf18("9","3","6","5","2","7","1") = "8"
    & skf18("9","3","6","5","2","8","1") = "8"
    & skf18("9","3","6","5","2","9","1") = "8"
    & skf18("9","3","6","5","2","10","1") = "9"
    & skf18("9","3","6","5","3","1","1") = "8"
    & skf18("9","3","6","5","3","2","1") = "8"
    & skf18("9","3","6","5","3","3","1") = "8"
    & skf18("9","3","6","5","3","4","1") = "8"
    & skf18("9","3","6","5","3","5","1") = "8"
    & skf18("9","3","6","5","3","6","1") = "8"
    & skf18("9","3","6","5","3","7","1") = "8"
    & skf18("9","3","6","5","3","8","1") = "8"
    & skf18("9","3","6","5","3","9","1") = "8"
    & skf18("9","3","6","5","3","10","1") = "9"
    & skf18("9","3","6","5","4","1","1") = "8"
    & skf18("9","3","6","5","4","2","1") = "8"
    & skf18("9","3","6","5","4","3","1") = "8"
    & skf18("9","3","6","5","4","4","1") = "8"
    & skf18("9","3","6","5","4","5","1") = "8"
    & skf18("9","3","6","5","4","6","1") = "8"
    & skf18("9","3","6","5","4","7","1") = "8"
    & skf18("9","3","6","5","4","8","1") = "8"
    & skf18("9","3","6","5","4","9","1") = "8"
    & skf18("9","3","6","5","4","10","1") = "9"
    & skf18("9","3","6","5","5","1","1") = "8"
    & skf18("9","3","6","5","5","2","1") = "8"
    & skf18("9","3","6","5","5","3","1") = "8"
    & skf18("9","3","6","5","5","4","1") = "8"
    & skf18("9","3","6","5","5","5","1") = "8"
    & skf18("9","3","6","5","5","6","1") = "8"
    & skf18("9","3","6","5","5","7","1") = "8"
    & skf18("9","3","6","5","5","8","1") = "8"
    & skf18("9","3","6","5","5","9","1") = "8"
    & skf18("9","3","6","5","5","10","1") = "9"
    & skf18("9","3","6","5","6","1","1") = "8"
    & skf18("9","3","6","5","6","2","1") = "8"
    & skf18("9","3","6","5","6","3","1") = "8"
    & skf18("9","3","6","5","6","4","1") = "8"
    & skf18("9","3","6","5","6","5","1") = "8"
    & skf18("9","3","6","5","6","6","1") = "8"
    & skf18("9","3","6","5","6","7","1") = "8"
    & skf18("9","3","6","5","6","8","1") = "8"
    & skf18("9","3","6","5","6","9","1") = "8"
    & skf18("9","3","6","5","6","10","1") = "9"
    & skf18("9","3","6","5","7","1","1") = "8"
    & skf18("9","3","6","5","7","2","1") = "8"
    & skf18("9","3","6","5","7","3","1") = "8"
    & skf18("9","3","6","5","7","4","1") = "8"
    & skf18("9","3","6","5","7","5","1") = "8"
    & skf18("9","3","6","5","7","6","1") = "8"
    & skf18("9","3","6","5","7","7","1") = "8"
    & skf18("9","3","6","5","7","8","1") = "8"
    & skf18("9","3","6","5","7","9","1") = "8"
    & skf18("9","3","6","5","7","10","1") = "9"
    & skf18("9","3","6","5","8","1","1") = "8"
    & skf18("9","3","6","5","8","2","1") = "8"
    & skf18("9","3","6","5","8","3","1") = "8"
    & skf18("9","3","6","5","8","4","1") = "8"
    & skf18("9","3","6","5","8","5","1") = "8"
    & skf18("9","3","6","5","8","6","1") = "8"
    & skf18("9","3","6","5","8","7","1") = "8"
    & skf18("9","3","6","5","8","8","1") = "8"
    & skf18("9","3","6","5","8","9","1") = "8"
    & skf18("9","3","6","5","8","10","1") = "9"
    & skf18("9","3","6","5","9","1","1") = "8"
    & skf18("9","3","6","5","9","2","1") = "8"
    & skf18("9","3","6","5","9","3","1") = "8"
    & skf18("9","3","6","5","9","4","1") = "8"
    & skf18("9","3","6","5","9","5","1") = "8"
    & skf18("9","3","6","5","9","6","1") = "8"
    & skf18("9","3","6","5","9","7","1") = "8"
    & skf18("9","3","6","5","9","8","1") = "8"
    & skf18("9","3","6","5","9","9","1") = "8"
    & skf18("9","3","6","5","9","10","1") = "9"
    & skf18("9","3","6","5","10","1","1") = "9"
    & skf18("9","3","6","5","10","2","1") = "9"
    & skf18("9","3","6","5","10","3","1") = "9"
    & skf18("9","3","6","5","10","4","1") = "9"
    & skf18("9","3","6","5","10","5","1") = "9"
    & skf18("9","3","6","5","10","6","1") = "9"
    & skf18("9","3","6","5","10","7","1") = "9"
    & skf18("9","3","6","5","10","8","1") = "9"
    & skf18("9","3","6","5","10","9","1") = "9"
    & skf18("9","3","6","5","10","10","1") = "9"
    & skf18("9","3","6","6","1","1","1") = "8"
    & skf18("9","3","6","6","1","2","1") = "8"
    & skf18("9","3","6","6","1","3","1") = "8"
    & skf18("9","3","6","6","1","4","1") = "8"
    & skf18("9","3","6","6","1","5","1") = "8"
    & skf18("9","3","6","6","1","6","1") = "8"
    & skf18("9","3","6","6","1","7","1") = "8"
    & skf18("9","3","6","6","1","8","1") = "8"
    & skf18("9","3","6","6","1","9","1") = "8"
    & skf18("9","3","6","6","1","10","1") = "9"
    & skf18("9","3","6","6","2","1","1") = "8"
    & skf18("9","3","6","6","2","2","1") = "8"
    & skf18("9","3","6","6","2","3","1") = "8"
    & skf18("9","3","6","6","2","4","1") = "8"
    & skf18("9","3","6","6","2","5","1") = "8"
    & skf18("9","3","6","6","2","6","1") = "8"
    & skf18("9","3","6","6","2","7","1") = "8"
    & skf18("9","3","6","6","2","8","1") = "8"
    & skf18("9","3","6","6","2","9","1") = "8"
    & skf18("9","3","6","6","2","10","1") = "9"
    & skf18("9","3","6","6","3","1","1") = "8"
    & skf18("9","3","6","6","3","2","1") = "8"
    & skf18("9","3","6","6","3","3","1") = "8"
    & skf18("9","3","6","6","3","4","1") = "8"
    & skf18("9","3","6","6","3","5","1") = "8"
    & skf18("9","3","6","6","3","6","1") = "8"
    & skf18("9","3","6","6","3","7","1") = "8"
    & skf18("9","3","6","6","3","8","1") = "8"
    & skf18("9","3","6","6","3","9","1") = "8"
    & skf18("9","3","6","6","3","10","1") = "9"
    & skf18("9","3","6","6","4","1","1") = "8"
    & skf18("9","3","6","6","4","2","1") = "8"
    & skf18("9","3","6","6","4","3","1") = "8"
    & skf18("9","3","6","6","4","4","1") = "8"
    & skf18("9","3","6","6","4","5","1") = "8"
    & skf18("9","3","6","6","4","6","1") = "8"
    & skf18("9","3","6","6","4","7","1") = "8"
    & skf18("9","3","6","6","4","8","1") = "8"
    & skf18("9","3","6","6","4","9","1") = "8"
    & skf18("9","3","6","6","4","10","1") = "9"
    & skf18("9","3","6","6","5","1","1") = "8"
    & skf18("9","3","6","6","5","2","1") = "8"
    & skf18("9","3","6","6","5","3","1") = "8"
    & skf18("9","3","6","6","5","4","1") = "8"
    & skf18("9","3","6","6","5","5","1") = "8"
    & skf18("9","3","6","6","5","6","1") = "8"
    & skf18("9","3","6","6","5","7","1") = "8"
    & skf18("9","3","6","6","5","8","1") = "8"
    & skf18("9","3","6","6","5","9","1") = "8"
    & skf18("9","3","6","6","5","10","1") = "9"
    & skf18("9","3","6","6","6","1","1") = "8"
    & skf18("9","3","6","6","6","2","1") = "8"
    & skf18("9","3","6","6","6","3","1") = "8"
    & skf18("9","3","6","6","6","4","1") = "8"
    & skf18("9","3","6","6","6","5","1") = "8"
    & skf18("9","3","6","6","6","6","1") = "8"
    & skf18("9","3","6","6","6","7","1") = "8"
    & skf18("9","3","6","6","6","8","1") = "8"
    & skf18("9","3","6","6","6","9","1") = "8"
    & skf18("9","3","6","6","6","10","1") = "9"
    & skf18("9","3","6","6","7","1","1") = "8"
    & skf18("9","3","6","6","7","2","1") = "8"
    & skf18("9","3","6","6","7","3","1") = "8"
    & skf18("9","3","6","6","7","4","1") = "8"
    & skf18("9","3","6","6","7","5","1") = "8"
    & skf18("9","3","6","6","7","6","1") = "8"
    & skf18("9","3","6","6","7","7","1") = "8"
    & skf18("9","3","6","6","7","8","1") = "8"
    & skf18("9","3","6","6","7","9","1") = "8"
    & skf18("9","3","6","6","7","10","1") = "9"
    & skf18("9","3","6","6","8","1","1") = "8"
    & skf18("9","3","6","6","8","2","1") = "8"
    & skf18("9","3","6","6","8","3","1") = "8"
    & skf18("9","3","6","6","8","4","1") = "8"
    & skf18("9","3","6","6","8","5","1") = "8"
    & skf18("9","3","6","6","8","6","1") = "8"
    & skf18("9","3","6","6","8","7","1") = "8"
    & skf18("9","3","6","6","8","8","1") = "8"
    & skf18("9","3","6","6","8","9","1") = "8"
    & skf18("9","3","6","6","8","10","1") = "9"
    & skf18("9","3","6","6","9","1","1") = "8"
    & skf18("9","3","6","6","9","2","1") = "8"
    & skf18("9","3","6","6","9","3","1") = "8"
    & skf18("9","3","6","6","9","4","1") = "8"
    & skf18("9","3","6","6","9","5","1") = "8"
    & skf18("9","3","6","6","9","6","1") = "8"
    & skf18("9","3","6","6","9","7","1") = "8"
    & skf18("9","3","6","6","9","8","1") = "8"
    & skf18("9","3","6","6","9","9","1") = "8"
    & skf18("9","3","6","6","9","10","1") = "9"
    & skf18("9","3","6","6","10","1","1") = "9"
    & skf18("9","3","6","6","10","2","1") = "9"
    & skf18("9","3","6","6","10","3","1") = "9"
    & skf18("9","3","6","6","10","4","1") = "9"
    & skf18("9","3","6","6","10","5","1") = "9"
    & skf18("9","3","6","6","10","6","1") = "9"
    & skf18("9","3","6","6","10","7","1") = "9"
    & skf18("9","3","6","6","10","8","1") = "9"
    & skf18("9","3","6","6","10","9","1") = "9"
    & skf18("9","3","6","6","10","10","1") = "9"
    & skf18("9","3","6","7","1","1","1") = "8"
    & skf18("9","3","6","7","1","2","1") = "8"
    & skf18("9","3","6","7","1","3","1") = "8"
    & skf18("9","3","6","7","1","4","1") = "8"
    & skf18("9","3","6","7","1","5","1") = "8"
    & skf18("9","3","6","7","1","6","1") = "8"
    & skf18("9","3","6","7","1","7","1") = "8"
    & skf18("9","3","6","7","1","8","1") = "8"
    & skf18("9","3","6","7","1","9","1") = "8"
    & skf18("9","3","6","7","1","10","1") = "9"
    & skf18("9","3","6","7","2","1","1") = "8"
    & skf18("9","3","6","7","2","2","1") = "8"
    & skf18("9","3","6","7","2","3","1") = "8"
    & skf18("9","3","6","7","2","4","1") = "8"
    & skf18("9","3","6","7","2","5","1") = "8"
    & skf18("9","3","6","7","2","6","1") = "8"
    & skf18("9","3","6","7","2","7","1") = "8"
    & skf18("9","3","6","7","2","8","1") = "8"
    & skf18("9","3","6","7","2","9","1") = "8"
    & skf18("9","3","6","7","2","10","1") = "9"
    & skf18("9","3","6","7","3","1","1") = "8"
    & skf18("9","3","6","7","3","2","1") = "8"
    & skf18("9","3","6","7","3","3","1") = "8"
    & skf18("9","3","6","7","3","4","1") = "8"
    & skf18("9","3","6","7","3","5","1") = "8"
    & skf18("9","3","6","7","3","6","1") = "8"
    & skf18("9","3","6","7","3","7","1") = "8"
    & skf18("9","3","6","7","3","8","1") = "8"
    & skf18("9","3","6","7","3","9","1") = "8"
    & skf18("9","3","6","7","3","10","1") = "9"
    & skf18("9","3","6","7","4","1","1") = "8"
    & skf18("9","3","6","7","4","2","1") = "8"
    & skf18("9","3","6","7","4","3","1") = "8"
    & skf18("9","3","6","7","4","4","1") = "8"
    & skf18("9","3","6","7","4","5","1") = "8"
    & skf18("9","3","6","7","4","6","1") = "8"
    & skf18("9","3","6","7","4","7","1") = "8"
    & skf18("9","3","6","7","4","8","1") = "8"
    & skf18("9","3","6","7","4","9","1") = "8"
    & skf18("9","3","6","7","4","10","1") = "9"
    & skf18("9","3","6","7","5","1","1") = "8"
    & skf18("9","3","6","7","5","2","1") = "8"
    & skf18("9","3","6","7","5","3","1") = "8"
    & skf18("9","3","6","7","5","4","1") = "8"
    & skf18("9","3","6","7","5","5","1") = "8"
    & skf18("9","3","6","7","5","6","1") = "8"
    & skf18("9","3","6","7","5","7","1") = "8"
    & skf18("9","3","6","7","5","8","1") = "8"
    & skf18("9","3","6","7","5","9","1") = "8"
    & skf18("9","3","6","7","5","10","1") = "9"
    & skf18("9","3","6","7","6","1","1") = "8"
    & skf18("9","3","6","7","6","2","1") = "8"
    & skf18("9","3","6","7","6","3","1") = "8"
    & skf18("9","3","6","7","6","4","1") = "8"
    & skf18("9","3","6","7","6","5","1") = "8"
    & skf18("9","3","6","7","6","6","1") = "8"
    & skf18("9","3","6","7","6","7","1") = "8"
    & skf18("9","3","6","7","6","8","1") = "8"
    & skf18("9","3","6","7","6","9","1") = "8"
    & skf18("9","3","6","7","6","10","1") = "9"
    & skf18("9","3","6","7","7","1","1") = "8"
    & skf18("9","3","6","7","7","2","1") = "8"
    & skf18("9","3","6","7","7","3","1") = "8"
    & skf18("9","3","6","7","7","4","1") = "8"
    & skf18("9","3","6","7","7","5","1") = "8"
    & skf18("9","3","6","7","7","6","1") = "8"
    & skf18("9","3","6","7","7","7","1") = "8"
    & skf18("9","3","6","7","7","8","1") = "8"
    & skf18("9","3","6","7","7","9","1") = "8"
    & skf18("9","3","6","7","7","10","1") = "9"
    & skf18("9","3","6","7","8","1","1") = "8"
    & skf18("9","3","6","7","8","2","1") = "8"
    & skf18("9","3","6","7","8","3","1") = "8"
    & skf18("9","3","6","7","8","4","1") = "8"
    & skf18("9","3","6","7","8","5","1") = "8"
    & skf18("9","3","6","7","8","6","1") = "8"
    & skf18("9","3","6","7","8","7","1") = "8"
    & skf18("9","3","6","7","8","8","1") = "8"
    & skf18("9","3","6","7","8","9","1") = "8"
    & skf18("9","3","6","7","8","10","1") = "9"
    & skf18("9","3","6","7","9","1","1") = "8"
    & skf18("9","3","6","7","9","2","1") = "8"
    & skf18("9","3","6","7","9","3","1") = "8"
    & skf18("9","3","6","7","9","4","1") = "8"
    & skf18("9","3","6","7","9","5","1") = "8"
    & skf18("9","3","6","7","9","6","1") = "8"
    & skf18("9","3","6","7","9","7","1") = "8"
    & skf18("9","3","6","7","9","8","1") = "8"
    & skf18("9","3","6","7","9","9","1") = "8"
    & skf18("9","3","6","7","9","10","1") = "9"
    & skf18("9","3","6","7","10","1","1") = "9"
    & skf18("9","3","6","7","10","2","1") = "9"
    & skf18("9","3","6","7","10","3","1") = "9"
    & skf18("9","3","6","7","10","4","1") = "9"
    & skf18("9","3","6","7","10","5","1") = "9"
    & skf18("9","3","6","7","10","6","1") = "9"
    & skf18("9","3","6","7","10","7","1") = "9"
    & skf18("9","3","6","7","10","8","1") = "9"
    & skf18("9","3","6","7","10","9","1") = "9"
    & skf18("9","3","6","7","10","10","1") = "9"
    & skf18("9","3","6","8","1","1","1") = "8"
    & skf18("9","3","6","8","1","2","1") = "8"
    & skf18("9","3","6","8","1","3","1") = "8"
    & skf18("9","3","6","8","1","4","1") = "8"
    & skf18("9","3","6","8","1","5","1") = "8"
    & skf18("9","3","6","8","1","6","1") = "8"
    & skf18("9","3","6","8","1","7","1") = "8"
    & skf18("9","3","6","8","1","8","1") = "8"
    & skf18("9","3","6","8","1","9","1") = "8"
    & skf18("9","3","6","8","1","10","1") = "9"
    & skf18("9","3","6","8","2","1","1") = "8"
    & skf18("9","3","6","8","2","2","1") = "8"
    & skf18("9","3","6","8","2","3","1") = "8"
    & skf18("9","3","6","8","2","4","1") = "8"
    & skf18("9","3","6","8","2","5","1") = "8"
    & skf18("9","3","6","8","2","6","1") = "8"
    & skf18("9","3","6","8","2","7","1") = "8"
    & skf18("9","3","6","8","2","8","1") = "8"
    & skf18("9","3","6","8","2","9","1") = "8"
    & skf18("9","3","6","8","2","10","1") = "9"
    & skf18("9","3","6","8","3","1","1") = "8"
    & skf18("9","3","6","8","3","2","1") = "8"
    & skf18("9","3","6","8","3","3","1") = "8"
    & skf18("9","3","6","8","3","4","1") = "8"
    & skf18("9","3","6","8","3","5","1") = "8"
    & skf18("9","3","6","8","3","6","1") = "8"
    & skf18("9","3","6","8","3","7","1") = "8"
    & skf18("9","3","6","8","3","8","1") = "8"
    & skf18("9","3","6","8","3","9","1") = "8"
    & skf18("9","3","6","8","3","10","1") = "9"
    & skf18("9","3","6","8","4","1","1") = "8"
    & skf18("9","3","6","8","4","2","1") = "8"
    & skf18("9","3","6","8","4","3","1") = "8"
    & skf18("9","3","6","8","4","4","1") = "8"
    & skf18("9","3","6","8","4","5","1") = "8"
    & skf18("9","3","6","8","4","6","1") = "8"
    & skf18("9","3","6","8","4","7","1") = "8"
    & skf18("9","3","6","8","4","8","1") = "8"
    & skf18("9","3","6","8","4","9","1") = "8"
    & skf18("9","3","6","8","4","10","1") = "9"
    & skf18("9","3","6","8","5","1","1") = "8"
    & skf18("9","3","6","8","5","2","1") = "8"
    & skf18("9","3","6","8","5","3","1") = "8"
    & skf18("9","3","6","8","5","4","1") = "8"
    & skf18("9","3","6","8","5","5","1") = "8"
    & skf18("9","3","6","8","5","6","1") = "8"
    & skf18("9","3","6","8","5","7","1") = "8"
    & skf18("9","3","6","8","5","8","1") = "8"
    & skf18("9","3","6","8","5","9","1") = "8"
    & skf18("9","3","6","8","5","10","1") = "9"
    & skf18("9","3","6","8","6","1","1") = "8"
    & skf18("9","3","6","8","6","2","1") = "8"
    & skf18("9","3","6","8","6","3","1") = "8"
    & skf18("9","3","6","8","6","4","1") = "8"
    & skf18("9","3","6","8","6","5","1") = "8"
    & skf18("9","3","6","8","6","6","1") = "8"
    & skf18("9","3","6","8","6","7","1") = "8"
    & skf18("9","3","6","8","6","8","1") = "8"
    & skf18("9","3","6","8","6","9","1") = "8"
    & skf18("9","3","6","8","6","10","1") = "9"
    & skf18("9","3","6","8","7","1","1") = "8"
    & skf18("9","3","6","8","7","2","1") = "8"
    & skf18("9","3","6","8","7","3","1") = "8"
    & skf18("9","3","6","8","7","4","1") = "8"
    & skf18("9","3","6","8","7","5","1") = "8"
    & skf18("9","3","6","8","7","6","1") = "8"
    & skf18("9","3","6","8","7","7","1") = "8"
    & skf18("9","3","6","8","7","8","1") = "8"
    & skf18("9","3","6","8","7","9","1") = "8"
    & skf18("9","3","6","8","7","10","1") = "9"
    & skf18("9","3","6","8","8","1","1") = "8"
    & skf18("9","3","6","8","8","2","1") = "8"
    & skf18("9","3","6","8","8","3","1") = "8"
    & skf18("9","3","6","8","8","4","1") = "8"
    & skf18("9","3","6","8","8","5","1") = "8"
    & skf18("9","3","6","8","8","6","1") = "8"
    & skf18("9","3","6","8","8","7","1") = "8"
    & skf18("9","3","6","8","8","8","1") = "8"
    & skf18("9","3","6","8","8","9","1") = "8"
    & skf18("9","3","6","8","8","10","1") = "9"
    & skf18("9","3","6","8","9","1","1") = "8"
    & skf18("9","3","6","8","9","2","1") = "8"
    & skf18("9","3","6","8","9","3","1") = "8"
    & skf18("9","3","6","8","9","4","1") = "8"
    & skf18("9","3","6","8","9","5","1") = "8"
    & skf18("9","3","6","8","9","6","1") = "8"
    & skf18("9","3","6","8","9","7","1") = "8"
    & skf18("9","3","6","8","9","8","1") = "8"
    & skf18("9","3","6","8","9","9","1") = "8"
    & skf18("9","3","6","8","9","10","1") = "9"
    & skf18("9","3","6","8","10","1","1") = "9"
    & skf18("9","3","6","8","10","2","1") = "9"
    & skf18("9","3","6","8","10","3","1") = "9"
    & skf18("9","3","6","8","10","4","1") = "9"
    & skf18("9","3","6","8","10","5","1") = "9"
    & skf18("9","3","6","8","10","6","1") = "9"
    & skf18("9","3","6","8","10","7","1") = "9"
    & skf18("9","3","6","8","10","8","1") = "9"
    & skf18("9","3","6","8","10","9","1") = "9"
    & skf18("9","3","6","8","10","10","1") = "9"
    & skf18("9","3","6","9","1","1","1") = "8"
    & skf18("9","3","6","9","1","2","1") = "8"
    & skf18("9","3","6","9","1","3","1") = "8"
    & skf18("9","3","6","9","1","4","1") = "8"
    & skf18("9","3","6","9","1","5","1") = "8"
    & skf18("9","3","6","9","1","6","1") = "8"
    & skf18("9","3","6","9","1","7","1") = "8"
    & skf18("9","3","6","9","1","8","1") = "8"
    & skf18("9","3","6","9","1","9","1") = "8"
    & skf18("9","3","6","9","1","10","1") = "9"
    & skf18("9","3","6","9","2","1","1") = "8"
    & skf18("9","3","6","9","2","2","1") = "8"
    & skf18("9","3","6","9","2","3","1") = "8"
    & skf18("9","3","6","9","2","4","1") = "8"
    & skf18("9","3","6","9","2","5","1") = "8"
    & skf18("9","3","6","9","2","6","1") = "8"
    & skf18("9","3","6","9","2","7","1") = "8"
    & skf18("9","3","6","9","2","8","1") = "8"
    & skf18("9","3","6","9","2","9","1") = "8"
    & skf18("9","3","6","9","2","10","1") = "9"
    & skf18("9","3","6","9","3","1","1") = "8"
    & skf18("9","3","6","9","3","2","1") = "8"
    & skf18("9","3","6","9","3","3","1") = "8"
    & skf18("9","3","6","9","3","4","1") = "8"
    & skf18("9","3","6","9","3","5","1") = "8"
    & skf18("9","3","6","9","3","6","1") = "8"
    & skf18("9","3","6","9","3","7","1") = "8"
    & skf18("9","3","6","9","3","8","1") = "8"
    & skf18("9","3","6","9","3","9","1") = "8"
    & skf18("9","3","6","9","3","10","1") = "9"
    & skf18("9","3","6","9","4","1","1") = "8"
    & skf18("9","3","6","9","4","2","1") = "8"
    & skf18("9","3","6","9","4","3","1") = "8"
    & skf18("9","3","6","9","4","4","1") = "8"
    & skf18("9","3","6","9","4","5","1") = "8"
    & skf18("9","3","6","9","4","6","1") = "8"
    & skf18("9","3","6","9","4","7","1") = "8"
    & skf18("9","3","6","9","4","8","1") = "8"
    & skf18("9","3","6","9","4","9","1") = "8"
    & skf18("9","3","6","9","4","10","1") = "9"
    & skf18("9","3","6","9","5","1","1") = "8"
    & skf18("9","3","6","9","5","2","1") = "8"
    & skf18("9","3","6","9","5","3","1") = "8"
    & skf18("9","3","6","9","5","4","1") = "8"
    & skf18("9","3","6","9","5","5","1") = "8"
    & skf18("9","3","6","9","5","6","1") = "8"
    & skf18("9","3","6","9","5","7","1") = "8"
    & skf18("9","3","6","9","5","8","1") = "8"
    & skf18("9","3","6","9","5","9","1") = "8"
    & skf18("9","3","6","9","5","10","1") = "9"
    & skf18("9","3","6","9","6","1","1") = "8"
    & skf18("9","3","6","9","6","2","1") = "8"
    & skf18("9","3","6","9","6","3","1") = "8"
    & skf18("9","3","6","9","6","4","1") = "8"
    & skf18("9","3","6","9","6","5","1") = "8"
    & skf18("9","3","6","9","6","6","1") = "8"
    & skf18("9","3","6","9","6","7","1") = "8"
    & skf18("9","3","6","9","6","8","1") = "8"
    & skf18("9","3","6","9","6","9","1") = "8"
    & skf18("9","3","6","9","6","10","1") = "9"
    & skf18("9","3","6","9","7","1","1") = "8"
    & skf18("9","3","6","9","7","2","1") = "8"
    & skf18("9","3","6","9","7","3","1") = "8"
    & skf18("9","3","6","9","7","4","1") = "8"
    & skf18("9","3","6","9","7","5","1") = "8"
    & skf18("9","3","6","9","7","6","1") = "8"
    & skf18("9","3","6","9","7","7","1") = "8"
    & skf18("9","3","6","9","7","8","1") = "8"
    & skf18("9","3","6","9","7","9","1") = "8"
    & skf18("9","3","6","9","7","10","1") = "9"
    & skf18("9","3","6","9","8","1","1") = "8"
    & skf18("9","3","6","9","8","2","1") = "8"
    & skf18("9","3","6","9","8","3","1") = "8"
    & skf18("9","3","6","9","8","4","1") = "8"
    & skf18("9","3","6","9","8","5","1") = "8"
    & skf18("9","3","6","9","8","6","1") = "8"
    & skf18("9","3","6","9","8","7","1") = "8"
    & skf18("9","3","6","9","8","8","1") = "8"
    & skf18("9","3","6","9","8","9","1") = "8"
    & skf18("9","3","6","9","8","10","1") = "9"
    & skf18("9","3","6","9","9","1","1") = "8"
    & skf18("9","3","6","9","9","2","1") = "8"
    & skf18("9","3","6","9","9","3","1") = "8"
    & skf18("9","3","6","9","9","4","1") = "8"
    & skf18("9","3","6","9","9","5","1") = "8"
    & skf18("9","3","6","9","9","6","1") = "8"
    & skf18("9","3","6","9","9","7","1") = "8"
    & skf18("9","3","6","9","9","8","1") = "8"
    & skf18("9","3","6","9","9","9","1") = "8"
    & skf18("9","3","6","9","9","10","1") = "9"
    & skf18("9","3","6","9","10","1","1") = "9"
    & skf18("9","3","6","9","10","2","1") = "9"
    & skf18("9","3","6","9","10","3","1") = "9"
    & skf18("9","3","6","9","10","4","1") = "9"
    & skf18("9","3","6","9","10","5","1") = "9"
    & skf18("9","3","6","9","10","6","1") = "9"
    & skf18("9","3","6","9","10","7","1") = "9"
    & skf18("9","3","6","9","10","8","1") = "9"
    & skf18("9","3","6","9","10","9","1") = "9"
    & skf18("9","3","6","9","10","10","1") = "9"
    & skf18("9","3","6","10","1","1","1") = "9"
    & skf18("9","3","6","10","1","2","1") = "9"
    & skf18("9","3","6","10","1","3","1") = "9"
    & skf18("9","3","6","10","1","4","1") = "9"
    & skf18("9","3","6","10","1","5","1") = "9"
    & skf18("9","3","6","10","1","6","1") = "9"
    & skf18("9","3","6","10","1","7","1") = "9"
    & skf18("9","3","6","10","1","8","1") = "9"
    & skf18("9","3","6","10","1","9","1") = "9"
    & skf18("9","3","6","10","1","10","1") = "9"
    & skf18("9","3","6","10","2","1","1") = "9"
    & skf18("9","3","6","10","2","2","1") = "9"
    & skf18("9","3","6","10","2","3","1") = "9"
    & skf18("9","3","6","10","2","4","1") = "9"
    & skf18("9","3","6","10","2","5","1") = "9"
    & skf18("9","3","6","10","2","6","1") = "9"
    & skf18("9","3","6","10","2","7","1") = "9"
    & skf18("9","3","6","10","2","8","1") = "9"
    & skf18("9","3","6","10","2","9","1") = "9"
    & skf18("9","3","6","10","2","10","1") = "9"
    & skf18("9","3","6","10","3","1","1") = "9"
    & skf18("9","3","6","10","3","2","1") = "9"
    & skf18("9","3","6","10","3","3","1") = "9"
    & skf18("9","3","6","10","3","4","1") = "9"
    & skf18("9","3","6","10","3","5","1") = "9"
    & skf18("9","3","6","10","3","6","1") = "9"
    & skf18("9","3","6","10","3","7","1") = "9"
    & skf18("9","3","6","10","3","8","1") = "9"
    & skf18("9","3","6","10","3","9","1") = "9"
    & skf18("9","3","6","10","3","10","1") = "9"
    & skf18("9","3","6","10","4","1","1") = "9"
    & skf18("9","3","6","10","4","2","1") = "9"
    & skf18("9","3","6","10","4","3","1") = "9"
    & skf18("9","3","6","10","4","4","1") = "9"
    & skf18("9","3","6","10","4","5","1") = "9"
    & skf18("9","3","6","10","4","6","1") = "9"
    & skf18("9","3","6","10","4","7","1") = "9"
    & skf18("9","3","6","10","4","8","1") = "9"
    & skf18("9","3","6","10","4","9","1") = "9"
    & skf18("9","3","6","10","4","10","1") = "9"
    & skf18("9","3","6","10","5","1","1") = "9"
    & skf18("9","3","6","10","5","2","1") = "9"
    & skf18("9","3","6","10","5","3","1") = "9"
    & skf18("9","3","6","10","5","4","1") = "9"
    & skf18("9","3","6","10","5","5","1") = "9"
    & skf18("9","3","6","10","5","6","1") = "9"
    & skf18("9","3","6","10","5","7","1") = "9"
    & skf18("9","3","6","10","5","8","1") = "9"
    & skf18("9","3","6","10","5","9","1") = "9"
    & skf18("9","3","6","10","5","10","1") = "9"
    & skf18("9","3","6","10","6","1","1") = "9"
    & skf18("9","3","6","10","6","2","1") = "9"
    & skf18("9","3","6","10","6","3","1") = "9"
    & skf18("9","3","6","10","6","4","1") = "9"
    & skf18("9","3","6","10","6","5","1") = "9"
    & skf18("9","3","6","10","6","6","1") = "9"
    & skf18("9","3","6","10","6","7","1") = "9"
    & skf18("9","3","6","10","6","8","1") = "9"
    & skf18("9","3","6","10","6","9","1") = "9"
    & skf18("9","3","6","10","6","10","1") = "9"
    & skf18("9","3","6","10","7","1","1") = "9"
    & skf18("9","3","6","10","7","2","1") = "9"
    & skf18("9","3","6","10","7","3","1") = "9"
    & skf18("9","3","6","10","7","4","1") = "9"
    & skf18("9","3","6","10","7","5","1") = "9"
    & skf18("9","3","6","10","7","6","1") = "9"
    & skf18("9","3","6","10","7","7","1") = "9"
    & skf18("9","3","6","10","7","8","1") = "9"
    & skf18("9","3","6","10","7","9","1") = "9"
    & skf18("9","3","6","10","7","10","1") = "9"
    & skf18("9","3","6","10","8","1","1") = "9"
    & skf18("9","3","6","10","8","2","1") = "9"
    & skf18("9","3","6","10","8","3","1") = "9"
    & skf18("9","3","6","10","8","4","1") = "9"
    & skf18("9","3","6","10","8","5","1") = "9"
    & skf18("9","3","6","10","8","6","1") = "9"
    & skf18("9","3","6","10","8","7","1") = "9"
    & skf18("9","3","6","10","8","8","1") = "9"
    & skf18("9","3","6","10","8","9","1") = "9"
    & skf18("9","3","6","10","8","10","1") = "9"
    & skf18("9","3","6","10","9","1","1") = "9"
    & skf18("9","3","6","10","9","2","1") = "9"
    & skf18("9","3","6","10","9","3","1") = "9"
    & skf18("9","3","6","10","9","4","1") = "9"
    & skf18("9","3","6","10","9","5","1") = "9"
    & skf18("9","3","6","10","9","6","1") = "9"
    & skf18("9","3","6","10","9","7","1") = "9"
    & skf18("9","3","6","10","9","8","1") = "9"
    & skf18("9","3","6","10","9","9","1") = "9"
    & skf18("9","3","6","10","9","10","1") = "9"
    & skf18("9","3","6","10","10","1","1") = "9"
    & skf18("9","3","6","10","10","2","1") = "9"
    & skf18("9","3","6","10","10","3","1") = "9"
    & skf18("9","3","6","10","10","4","1") = "9"
    & skf18("9","3","6","10","10","5","1") = "9"
    & skf18("9","3","6","10","10","6","1") = "9"
    & skf18("9","3","6","10","10","7","1") = "9"
    & skf18("9","3","6","10","10","8","1") = "9"
    & skf18("9","3","6","10","10","9","1") = "9"
    & skf18("9","3","6","10","10","10","1") = "9"
    & skf18("9","3","7","1","1","1","1") = "8"
    & skf18("9","3","7","1","1","2","1") = "8"
    & skf18("9","3","7","1","1","3","1") = "8"
    & skf18("9","3","7","1","1","4","1") = "8"
    & skf18("9","3","7","1","1","5","1") = "8"
    & skf18("9","3","7","1","1","6","1") = "8"
    & skf18("9","3","7","1","1","7","1") = "8"
    & skf18("9","3","7","1","1","8","1") = "8"
    & skf18("9","3","7","1","1","9","1") = "8"
    & skf18("9","3","7","1","1","10","1") = "9"
    & skf18("9","3","7","1","2","1","1") = "8"
    & skf18("9","3","7","1","2","2","1") = "8"
    & skf18("9","3","7","1","2","3","1") = "8"
    & skf18("9","3","7","1","2","4","1") = "8"
    & skf18("9","3","7","1","2","5","1") = "8"
    & skf18("9","3","7","1","2","6","1") = "8"
    & skf18("9","3","7","1","2","7","1") = "8"
    & skf18("9","3","7","1","2","8","1") = "8"
    & skf18("9","3","7","1","2","9","1") = "8"
    & skf18("9","3","7","1","2","10","1") = "9"
    & skf18("9","3","7","1","3","1","1") = "8"
    & skf18("9","3","7","1","3","2","1") = "8"
    & skf18("9","3","7","1","3","3","1") = "8"
    & skf18("9","3","7","1","3","4","1") = "8"
    & skf18("9","3","7","1","3","5","1") = "8"
    & skf18("9","3","7","1","3","6","1") = "8"
    & skf18("9","3","7","1","3","7","1") = "8"
    & skf18("9","3","7","1","3","8","1") = "8"
    & skf18("9","3","7","1","3","9","1") = "8"
    & skf18("9","3","7","1","3","10","1") = "9"
    & skf18("9","3","7","1","4","1","1") = "8"
    & skf18("9","3","7","1","4","2","1") = "8"
    & skf18("9","3","7","1","4","3","1") = "8"
    & skf18("9","3","7","1","4","4","1") = "8"
    & skf18("9","3","7","1","4","5","1") = "8"
    & skf18("9","3","7","1","4","6","1") = "8"
    & skf18("9","3","7","1","4","7","1") = "8"
    & skf18("9","3","7","1","4","8","1") = "8"
    & skf18("9","3","7","1","4","9","1") = "8"
    & skf18("9","3","7","1","4","10","1") = "9"
    & skf18("9","3","7","1","5","1","1") = "8"
    & skf18("9","3","7","1","5","2","1") = "8"
    & skf18("9","3","7","1","5","3","1") = "8"
    & skf18("9","3","7","1","5","4","1") = "8"
    & skf18("9","3","7","1","5","5","1") = "8"
    & skf18("9","3","7","1","5","6","1") = "8"
    & skf18("9","3","7","1","5","7","1") = "8"
    & skf18("9","3","7","1","5","8","1") = "8"
    & skf18("9","3","7","1","5","9","1") = "8"
    & skf18("9","3","7","1","5","10","1") = "9"
    & skf18("9","3","7","1","6","1","1") = "8"
    & skf18("9","3","7","1","6","2","1") = "8"
    & skf18("9","3","7","1","6","3","1") = "8"
    & skf18("9","3","7","1","6","4","1") = "8"
    & skf18("9","3","7","1","6","5","1") = "8"
    & skf18("9","3","7","1","6","6","1") = "8"
    & skf18("9","3","7","1","6","7","1") = "8"
    & skf18("9","3","7","1","6","8","1") = "8"
    & skf18("9","3","7","1","6","9","1") = "8"
    & skf18("9","3","7","1","6","10","1") = "9"
    & skf18("9","3","7","1","7","1","1") = "8"
    & skf18("9","3","7","1","7","2","1") = "8"
    & skf18("9","3","7","1","7","3","1") = "8"
    & skf18("9","3","7","1","7","4","1") = "8"
    & skf18("9","3","7","1","7","5","1") = "8"
    & skf18("9","3","7","1","7","6","1") = "8"
    & skf18("9","3","7","1","7","7","1") = "8"
    & skf18("9","3","7","1","7","8","1") = "8"
    & skf18("9","3","7","1","7","9","1") = "8"
    & skf18("9","3","7","1","7","10","1") = "9"
    & skf18("9","3","7","1","8","1","1") = "8"
    & skf18("9","3","7","1","8","2","1") = "8"
    & skf18("9","3","7","1","8","3","1") = "8"
    & skf18("9","3","7","1","8","4","1") = "8"
    & skf18("9","3","7","1","8","5","1") = "8"
    & skf18("9","3","7","1","8","6","1") = "8"
    & skf18("9","3","7","1","8","7","1") = "8"
    & skf18("9","3","7","1","8","8","1") = "8"
    & skf18("9","3","7","1","8","9","1") = "8"
    & skf18("9","3","7","1","8","10","1") = "9"
    & skf18("9","3","7","1","9","1","1") = "8"
    & skf18("9","3","7","1","9","2","1") = "8"
    & skf18("9","3","7","1","9","3","1") = "8"
    & skf18("9","3","7","1","9","4","1") = "8"
    & skf18("9","3","7","1","9","5","1") = "8"
    & skf18("9","3","7","1","9","6","1") = "8"
    & skf18("9","3","7","1","9","7","1") = "8"
    & skf18("9","3","7","1","9","8","1") = "8"
    & skf18("9","3","7","1","9","9","1") = "8"
    & skf18("9","3","7","1","9","10","1") = "9"
    & skf18("9","3","7","1","10","1","1") = "9"
    & skf18("9","3","7","1","10","2","1") = "9"
    & skf18("9","3","7","1","10","3","1") = "9"
    & skf18("9","3","7","1","10","4","1") = "9"
    & skf18("9","3","7","1","10","5","1") = "9"
    & skf18("9","3","7","1","10","6","1") = "9"
    & skf18("9","3","7","1","10","7","1") = "9"
    & skf18("9","3","7","1","10","8","1") = "9"
    & skf18("9","3","7","1","10","9","1") = "9"
    & skf18("9","3","7","1","10","10","1") = "9"
    & skf18("9","3","7","2","1","1","1") = "8"
    & skf18("9","3","7","2","1","2","1") = "8"
    & skf18("9","3","7","2","1","3","1") = "8"
    & skf18("9","3","7","2","1","4","1") = "8"
    & skf18("9","3","7","2","1","5","1") = "8"
    & skf18("9","3","7","2","1","6","1") = "8"
    & skf18("9","3","7","2","1","7","1") = "8"
    & skf18("9","3","7","2","1","8","1") = "8"
    & skf18("9","3","7","2","1","9","1") = "8"
    & skf18("9","3","7","2","1","10","1") = "9"
    & skf18("9","3","7","2","2","1","1") = "8"
    & skf18("9","3","7","2","2","2","1") = "8"
    & skf18("9","3","7","2","2","3","1") = "8"
    & skf18("9","3","7","2","2","4","1") = "8"
    & skf18("9","3","7","2","2","5","1") = "8"
    & skf18("9","3","7","2","2","6","1") = "8"
    & skf18("9","3","7","2","2","7","1") = "8"
    & skf18("9","3","7","2","2","8","1") = "8"
    & skf18("9","3","7","2","2","9","1") = "8"
    & skf18("9","3","7","2","2","10","1") = "9"
    & skf18("9","3","7","2","3","1","1") = "8"
    & skf18("9","3","7","2","3","2","1") = "8"
    & skf18("9","3","7","2","3","3","1") = "8"
    & skf18("9","3","7","2","3","4","1") = "8"
    & skf18("9","3","7","2","3","5","1") = "8"
    & skf18("9","3","7","2","3","6","1") = "8"
    & skf18("9","3","7","2","3","7","1") = "8"
    & skf18("9","3","7","2","3","8","1") = "8"
    & skf18("9","3","7","2","3","9","1") = "8"
    & skf18("9","3","7","2","3","10","1") = "9"
    & skf18("9","3","7","2","4","1","1") = "8"
    & skf18("9","3","7","2","4","2","1") = "8"
    & skf18("9","3","7","2","4","3","1") = "8"
    & skf18("9","3","7","2","4","4","1") = "8"
    & skf18("9","3","7","2","4","5","1") = "8"
    & skf18("9","3","7","2","4","6","1") = "8"
    & skf18("9","3","7","2","4","7","1") = "8"
    & skf18("9","3","7","2","4","8","1") = "8"
    & skf18("9","3","7","2","4","9","1") = "8"
    & skf18("9","3","7","2","4","10","1") = "9"
    & skf18("9","3","7","2","5","1","1") = "8"
    & skf18("9","3","7","2","5","2","1") = "8"
    & skf18("9","3","7","2","5","3","1") = "8"
    & skf18("9","3","7","2","5","4","1") = "8"
    & skf18("9","3","7","2","5","5","1") = "8"
    & skf18("9","3","7","2","5","6","1") = "8"
    & skf18("9","3","7","2","5","7","1") = "8"
    & skf18("9","3","7","2","5","8","1") = "8"
    & skf18("9","3","7","2","5","9","1") = "8"
    & skf18("9","3","7","2","5","10","1") = "9"
    & skf18("9","3","7","2","6","1","1") = "8"
    & skf18("9","3","7","2","6","2","1") = "8"
    & skf18("9","3","7","2","6","3","1") = "8"
    & skf18("9","3","7","2","6","4","1") = "8"
    & skf18("9","3","7","2","6","5","1") = "8"
    & skf18("9","3","7","2","6","6","1") = "8"
    & skf18("9","3","7","2","6","7","1") = "8"
    & skf18("9","3","7","2","6","8","1") = "8"
    & skf18("9","3","7","2","6","9","1") = "8"
    & skf18("9","3","7","2","6","10","1") = "9"
    & skf18("9","3","7","2","7","1","1") = "8"
    & skf18("9","3","7","2","7","2","1") = "8"
    & skf18("9","3","7","2","7","3","1") = "8"
    & skf18("9","3","7","2","7","4","1") = "8"
    & skf18("9","3","7","2","7","5","1") = "8"
    & skf18("9","3","7","2","7","6","1") = "8"
    & skf18("9","3","7","2","7","7","1") = "8"
    & skf18("9","3","7","2","7","8","1") = "8"
    & skf18("9","3","7","2","7","9","1") = "8"
    & skf18("9","3","7","2","7","10","1") = "9"
    & skf18("9","3","7","2","8","1","1") = "8"
    & skf18("9","3","7","2","8","2","1") = "8"
    & skf18("9","3","7","2","8","3","1") = "8"
    & skf18("9","3","7","2","8","4","1") = "8"
    & skf18("9","3","7","2","8","5","1") = "8"
    & skf18("9","3","7","2","8","6","1") = "8"
    & skf18("9","3","7","2","8","7","1") = "8"
    & skf18("9","3","7","2","8","8","1") = "8"
    & skf18("9","3","7","2","8","9","1") = "8"
    & skf18("9","3","7","2","8","10","1") = "9"
    & skf18("9","3","7","2","9","1","1") = "8"
    & skf18("9","3","7","2","9","2","1") = "8"
    & skf18("9","3","7","2","9","3","1") = "8"
    & skf18("9","3","7","2","9","4","1") = "8"
    & skf18("9","3","7","2","9","5","1") = "8"
    & skf18("9","3","7","2","9","6","1") = "8"
    & skf18("9","3","7","2","9","7","1") = "8"
    & skf18("9","3","7","2","9","8","1") = "8"
    & skf18("9","3","7","2","9","9","1") = "8"
    & skf18("9","3","7","2","9","10","1") = "9"
    & skf18("9","3","7","2","10","1","1") = "9"
    & skf18("9","3","7","2","10","2","1") = "9"
    & skf18("9","3","7","2","10","3","1") = "9"
    & skf18("9","3","7","2","10","4","1") = "9"
    & skf18("9","3","7","2","10","5","1") = "9"
    & skf18("9","3","7","2","10","6","1") = "9"
    & skf18("9","3","7","2","10","7","1") = "9"
    & skf18("9","3","7","2","10","8","1") = "9"
    & skf18("9","3","7","2","10","9","1") = "9"
    & skf18("9","3","7","2","10","10","1") = "9"
    & skf18("9","3","7","3","1","1","1") = "8"
    & skf18("9","3","7","3","1","2","1") = "8"
    & skf18("9","3","7","3","1","3","1") = "8"
    & skf18("9","3","7","3","1","4","1") = "8"
    & skf18("9","3","7","3","1","5","1") = "8"
    & skf18("9","3","7","3","1","6","1") = "8"
    & skf18("9","3","7","3","1","7","1") = "8"
    & skf18("9","3","7","3","1","8","1") = "8"
    & skf18("9","3","7","3","1","9","1") = "8"
    & skf18("9","3","7","3","1","10","1") = "9"
    & skf18("9","3","7","3","2","1","1") = "8"
    & skf18("9","3","7","3","2","2","1") = "8"
    & skf18("9","3","7","3","2","3","1") = "8"
    & skf18("9","3","7","3","2","4","1") = "8"
    & skf18("9","3","7","3","2","5","1") = "8"
    & skf18("9","3","7","3","2","6","1") = "8"
    & skf18("9","3","7","3","2","7","1") = "8"
    & skf18("9","3","7","3","2","8","1") = "8"
    & skf18("9","3","7","3","2","9","1") = "8"
    & skf18("9","3","7","3","2","10","1") = "9"
    & skf18("9","3","7","3","3","1","1") = "8"
    & skf18("9","3","7","3","3","2","1") = "8"
    & skf18("9","3","7","3","3","3","1") = "8"
    & skf18("9","3","7","3","3","4","1") = "8"
    & skf18("9","3","7","3","3","5","1") = "8"
    & skf18("9","3","7","3","3","6","1") = "8"
    & skf18("9","3","7","3","3","7","1") = "8"
    & skf18("9","3","7","3","3","8","1") = "8"
    & skf18("9","3","7","3","3","9","1") = "8"
    & skf18("9","3","7","3","3","10","1") = "9"
    & skf18("9","3","7","3","4","1","1") = "8"
    & skf18("9","3","7","3","4","2","1") = "8"
    & skf18("9","3","7","3","4","3","1") = "8"
    & skf18("9","3","7","3","4","4","1") = "8"
    & skf18("9","3","7","3","4","5","1") = "8"
    & skf18("9","3","7","3","4","6","1") = "8"
    & skf18("9","3","7","3","4","7","1") = "8"
    & skf18("9","3","7","3","4","8","1") = "8"
    & skf18("9","3","7","3","4","9","1") = "8"
    & skf18("9","3","7","3","4","10","1") = "9"
    & skf18("9","3","7","3","5","1","1") = "8"
    & skf18("9","3","7","3","5","2","1") = "8"
    & skf18("9","3","7","3","5","3","1") = "8"
    & skf18("9","3","7","3","5","4","1") = "8"
    & skf18("9","3","7","3","5","5","1") = "8"
    & skf18("9","3","7","3","5","6","1") = "8"
    & skf18("9","3","7","3","5","7","1") = "8"
    & skf18("9","3","7","3","5","8","1") = "8"
    & skf18("9","3","7","3","5","9","1") = "8"
    & skf18("9","3","7","3","5","10","1") = "9"
    & skf18("9","3","7","3","6","1","1") = "8"
    & skf18("9","3","7","3","6","2","1") = "8"
    & skf18("9","3","7","3","6","3","1") = "8"
    & skf18("9","3","7","3","6","4","1") = "8"
    & skf18("9","3","7","3","6","5","1") = "8"
    & skf18("9","3","7","3","6","6","1") = "8"
    & skf18("9","3","7","3","6","7","1") = "8"
    & skf18("9","3","7","3","6","8","1") = "8"
    & skf18("9","3","7","3","6","9","1") = "8"
    & skf18("9","3","7","3","6","10","1") = "9"
    & skf18("9","3","7","3","7","1","1") = "8"
    & skf18("9","3","7","3","7","2","1") = "8"
    & skf18("9","3","7","3","7","3","1") = "8"
    & skf18("9","3","7","3","7","4","1") = "8"
    & skf18("9","3","7","3","7","5","1") = "8"
    & skf18("9","3","7","3","7","6","1") = "8"
    & skf18("9","3","7","3","7","7","1") = "8"
    & skf18("9","3","7","3","7","8","1") = "8"
    & skf18("9","3","7","3","7","9","1") = "8"
    & skf18("9","3","7","3","7","10","1") = "9"
    & skf18("9","3","7","3","8","1","1") = "8"
    & skf18("9","3","7","3","8","2","1") = "8"
    & skf18("9","3","7","3","8","3","1") = "8"
    & skf18("9","3","7","3","8","4","1") = "8"
    & skf18("9","3","7","3","8","5","1") = "8"
    & skf18("9","3","7","3","8","6","1") = "8"
    & skf18("9","3","7","3","8","7","1") = "8"
    & skf18("9","3","7","3","8","8","1") = "8"
    & skf18("9","3","7","3","8","9","1") = "8"
    & skf18("9","3","7","3","8","10","1") = "9"
    & skf18("9","3","7","3","9","1","1") = "8"
    & skf18("9","3","7","3","9","2","1") = "8"
    & skf18("9","3","7","3","9","3","1") = "8"
    & skf18("9","3","7","3","9","4","1") = "8"
    & skf18("9","3","7","3","9","5","1") = "8"
    & skf18("9","3","7","3","9","6","1") = "8"
    & skf18("9","3","7","3","9","7","1") = "8"
    & skf18("9","3","7","3","9","8","1") = "8"
    & skf18("9","3","7","3","9","9","1") = "8"
    & skf18("9","3","7","3","9","10","1") = "9"
    & skf18("9","3","7","3","10","1","1") = "9"
    & skf18("9","3","7","3","10","2","1") = "9"
    & skf18("9","3","7","3","10","3","1") = "9"
    & skf18("9","3","7","3","10","4","1") = "9"
    & skf18("9","3","7","3","10","5","1") = "9"
    & skf18("9","3","7","3","10","6","1") = "9"
    & skf18("9","3","7","3","10","7","1") = "9"
    & skf18("9","3","7","3","10","8","1") = "9"
    & skf18("9","3","7","3","10","9","1") = "9"
    & skf18("9","3","7","3","10","10","1") = "9"
    & skf18("9","3","7","4","1","1","1") = "8"
    & skf18("9","3","7","4","1","2","1") = "8"
    & skf18("9","3","7","4","1","3","1") = "8"
    & skf18("9","3","7","4","1","4","1") = "8"
    & skf18("9","3","7","4","1","5","1") = "8"
    & skf18("9","3","7","4","1","6","1") = "8"
    & skf18("9","3","7","4","1","7","1") = "8"
    & skf18("9","3","7","4","1","8","1") = "8"
    & skf18("9","3","7","4","1","9","1") = "8"
    & skf18("9","3","7","4","1","10","1") = "9"
    & skf18("9","3","7","4","2","1","1") = "8"
    & skf18("9","3","7","4","2","2","1") = "8"
    & skf18("9","3","7","4","2","3","1") = "8"
    & skf18("9","3","7","4","2","4","1") = "8"
    & skf18("9","3","7","4","2","5","1") = "8"
    & skf18("9","3","7","4","2","6","1") = "8"
    & skf18("9","3","7","4","2","7","1") = "8"
    & skf18("9","3","7","4","2","8","1") = "8"
    & skf18("9","3","7","4","2","9","1") = "8"
    & skf18("9","3","7","4","2","10","1") = "9"
    & skf18("9","3","7","4","3","1","1") = "8"
    & skf18("9","3","7","4","3","2","1") = "8"
    & skf18("9","3","7","4","3","3","1") = "8"
    & skf18("9","3","7","4","3","4","1") = "8"
    & skf18("9","3","7","4","3","5","1") = "8"
    & skf18("9","3","7","4","3","6","1") = "8"
    & skf18("9","3","7","4","3","7","1") = "8"
    & skf18("9","3","7","4","3","8","1") = "8"
    & skf18("9","3","7","4","3","9","1") = "8"
    & skf18("9","3","7","4","3","10","1") = "9"
    & skf18("9","3","7","4","4","1","1") = "8"
    & skf18("9","3","7","4","4","2","1") = "8"
    & skf18("9","3","7","4","4","3","1") = "8"
    & skf18("9","3","7","4","4","4","1") = "8"
    & skf18("9","3","7","4","4","5","1") = "8"
    & skf18("9","3","7","4","4","6","1") = "8"
    & skf18("9","3","7","4","4","7","1") = "8"
    & skf18("9","3","7","4","4","8","1") = "8"
    & skf18("9","3","7","4","4","9","1") = "8"
    & skf18("9","3","7","4","4","10","1") = "9"
    & skf18("9","3","7","4","5","1","1") = "8"
    & skf18("9","3","7","4","5","2","1") = "8"
    & skf18("9","3","7","4","5","3","1") = "8"
    & skf18("9","3","7","4","5","4","1") = "8"
    & skf18("9","3","7","4","5","5","1") = "8"
    & skf18("9","3","7","4","5","6","1") = "8"
    & skf18("9","3","7","4","5","7","1") = "8"
    & skf18("9","3","7","4","5","8","1") = "8"
    & skf18("9","3","7","4","5","9","1") = "8"
    & skf18("9","3","7","4","5","10","1") = "9"
    & skf18("9","3","7","4","6","1","1") = "8"
    & skf18("9","3","7","4","6","2","1") = "8"
    & skf18("9","3","7","4","6","3","1") = "8"
    & skf18("9","3","7","4","6","4","1") = "8"
    & skf18("9","3","7","4","6","5","1") = "8"
    & skf18("9","3","7","4","6","6","1") = "8"
    & skf18("9","3","7","4","6","7","1") = "8"
    & skf18("9","3","7","4","6","8","1") = "8"
    & skf18("9","3","7","4","6","9","1") = "8"
    & skf18("9","3","7","4","6","10","1") = "9"
    & skf18("9","3","7","4","7","1","1") = "8"
    & skf18("9","3","7","4","7","2","1") = "8"
    & skf18("9","3","7","4","7","3","1") = "8"
    & skf18("9","3","7","4","7","4","1") = "8"
    & skf18("9","3","7","4","7","5","1") = "8"
    & skf18("9","3","7","4","7","6","1") = "8"
    & skf18("9","3","7","4","7","7","1") = "8"
    & skf18("9","3","7","4","7","8","1") = "8"
    & skf18("9","3","7","4","7","9","1") = "8"
    & skf18("9","3","7","4","7","10","1") = "9"
    & skf18("9","3","7","4","8","1","1") = "8"
    & skf18("9","3","7","4","8","2","1") = "8"
    & skf18("9","3","7","4","8","3","1") = "8"
    & skf18("9","3","7","4","8","4","1") = "8"
    & skf18("9","3","7","4","8","5","1") = "8"
    & skf18("9","3","7","4","8","6","1") = "8"
    & skf18("9","3","7","4","8","7","1") = "8"
    & skf18("9","3","7","4","8","8","1") = "8"
    & skf18("9","3","7","4","8","9","1") = "8"
    & skf18("9","3","7","4","8","10","1") = "9"
    & skf18("9","3","7","4","9","1","1") = "8"
    & skf18("9","3","7","4","9","2","1") = "8"
    & skf18("9","3","7","4","9","3","1") = "8"
    & skf18("9","3","7","4","9","4","1") = "8"
    & skf18("9","3","7","4","9","5","1") = "8"
    & skf18("9","3","7","4","9","6","1") = "8"
    & skf18("9","3","7","4","9","7","1") = "8"
    & skf18("9","3","7","4","9","8","1") = "8"
    & skf18("9","3","7","4","9","9","1") = "8"
    & skf18("9","3","7","4","9","10","1") = "9"
    & skf18("9","3","7","4","10","1","1") = "9"
    & skf18("9","3","7","4","10","2","1") = "9"
    & skf18("9","3","7","4","10","3","1") = "9"
    & skf18("9","3","7","4","10","4","1") = "9"
    & skf18("9","3","7","4","10","5","1") = "9"
    & skf18("9","3","7","4","10","6","1") = "9"
    & skf18("9","3","7","4","10","7","1") = "9"
    & skf18("9","3","7","4","10","8","1") = "9"
    & skf18("9","3","7","4","10","9","1") = "9"
    & skf18("9","3","7","4","10","10","1") = "9"
    & skf18("9","3","7","5","1","1","1") = "8"
    & skf18("9","3","7","5","1","2","1") = "8"
    & skf18("9","3","7","5","1","3","1") = "8"
    & skf18("9","3","7","5","1","4","1") = "8"
    & skf18("9","3","7","5","1","5","1") = "8"
    & skf18("9","3","7","5","1","6","1") = "8"
    & skf18("9","3","7","5","1","7","1") = "8"
    & skf18("9","3","7","5","1","8","1") = "8"
    & skf18("9","3","7","5","1","9","1") = "8"
    & skf18("9","3","7","5","1","10","1") = "9"
    & skf18("9","3","7","5","2","1","1") = "8"
    & skf18("9","3","7","5","2","2","1") = "8"
    & skf18("9","3","7","5","2","3","1") = "8"
    & skf18("9","3","7","5","2","4","1") = "8"
    & skf18("9","3","7","5","2","5","1") = "8"
    & skf18("9","3","7","5","2","6","1") = "8"
    & skf18("9","3","7","5","2","7","1") = "8"
    & skf18("9","3","7","5","2","8","1") = "8"
    & skf18("9","3","7","5","2","9","1") = "8"
    & skf18("9","3","7","5","2","10","1") = "9"
    & skf18("9","3","7","5","3","1","1") = "8"
    & skf18("9","3","7","5","3","2","1") = "8"
    & skf18("9","3","7","5","3","3","1") = "8"
    & skf18("9","3","7","5","3","4","1") = "8"
    & skf18("9","3","7","5","3","5","1") = "8"
    & skf18("9","3","7","5","3","6","1") = "8"
    & skf18("9","3","7","5","3","7","1") = "8"
    & skf18("9","3","7","5","3","8","1") = "8"
    & skf18("9","3","7","5","3","9","1") = "8"
    & skf18("9","3","7","5","3","10","1") = "9"
    & skf18("9","3","7","5","4","1","1") = "8"
    & skf18("9","3","7","5","4","2","1") = "8"
    & skf18("9","3","7","5","4","3","1") = "8"
    & skf18("9","3","7","5","4","4","1") = "8"
    & skf18("9","3","7","5","4","5","1") = "8"
    & skf18("9","3","7","5","4","6","1") = "8"
    & skf18("9","3","7","5","4","7","1") = "8"
    & skf18("9","3","7","5","4","8","1") = "8"
    & skf18("9","3","7","5","4","9","1") = "8"
    & skf18("9","3","7","5","4","10","1") = "9"
    & skf18("9","3","7","5","5","1","1") = "8"
    & skf18("9","3","7","5","5","2","1") = "8"
    & skf18("9","3","7","5","5","3","1") = "8"
    & skf18("9","3","7","5","5","4","1") = "8"
    & skf18("9","3","7","5","5","5","1") = "8"
    & skf18("9","3","7","5","5","6","1") = "8"
    & skf18("9","3","7","5","5","7","1") = "8"
    & skf18("9","3","7","5","5","8","1") = "8"
    & skf18("9","3","7","5","5","9","1") = "8"
    & skf18("9","3","7","5","5","10","1") = "9"
    & skf18("9","3","7","5","6","1","1") = "8"
    & skf18("9","3","7","5","6","2","1") = "8"
    & skf18("9","3","7","5","6","3","1") = "8"
    & skf18("9","3","7","5","6","4","1") = "8"
    & skf18("9","3","7","5","6","5","1") = "8"
    & skf18("9","3","7","5","6","6","1") = "8"
    & skf18("9","3","7","5","6","7","1") = "8"
    & skf18("9","3","7","5","6","8","1") = "8"
    & skf18("9","3","7","5","6","9","1") = "8"
    & skf18("9","3","7","5","6","10","1") = "9"
    & skf18("9","3","7","5","7","1","1") = "8"
    & skf18("9","3","7","5","7","2","1") = "8"
    & skf18("9","3","7","5","7","3","1") = "8"
    & skf18("9","3","7","5","7","4","1") = "8"
    & skf18("9","3","7","5","7","5","1") = "8"
    & skf18("9","3","7","5","7","6","1") = "8"
    & skf18("9","3","7","5","7","7","1") = "8"
    & skf18("9","3","7","5","7","8","1") = "8"
    & skf18("9","3","7","5","7","9","1") = "8"
    & skf18("9","3","7","5","7","10","1") = "9"
    & skf18("9","3","7","5","8","1","1") = "8"
    & skf18("9","3","7","5","8","2","1") = "8"
    & skf18("9","3","7","5","8","3","1") = "8"
    & skf18("9","3","7","5","8","4","1") = "8"
    & skf18("9","3","7","5","8","5","1") = "8"
    & skf18("9","3","7","5","8","6","1") = "8"
    & skf18("9","3","7","5","8","7","1") = "8"
    & skf18("9","3","7","5","8","8","1") = "8"
    & skf18("9","3","7","5","8","9","1") = "8"
    & skf18("9","3","7","5","8","10","1") = "9"
    & skf18("9","3","7","5","9","1","1") = "8"
    & skf18("9","3","7","5","9","2","1") = "8"
    & skf18("9","3","7","5","9","3","1") = "8"
    & skf18("9","3","7","5","9","4","1") = "8"
    & skf18("9","3","7","5","9","5","1") = "8"
    & skf18("9","3","7","5","9","6","1") = "8"
    & skf18("9","3","7","5","9","7","1") = "8"
    & skf18("9","3","7","5","9","8","1") = "8"
    & skf18("9","3","7","5","9","9","1") = "8"
    & skf18("9","3","7","5","9","10","1") = "9"
    & skf18("9","3","7","5","10","1","1") = "9"
    & skf18("9","3","7","5","10","2","1") = "9"
    & skf18("9","3","7","5","10","3","1") = "9"
    & skf18("9","3","7","5","10","4","1") = "9"
    & skf18("9","3","7","5","10","5","1") = "9"
    & skf18("9","3","7","5","10","6","1") = "9"
    & skf18("9","3","7","5","10","7","1") = "9"
    & skf18("9","3","7","5","10","8","1") = "9"
    & skf18("9","3","7","5","10","9","1") = "9"
    & skf18("9","3","7","5","10","10","1") = "9"
    & skf18("9","3","7","6","1","1","1") = "8"
    & skf18("9","3","7","6","1","2","1") = "8"
    & skf18("9","3","7","6","1","3","1") = "8"
    & skf18("9","3","7","6","1","4","1") = "8"
    & skf18("9","3","7","6","1","5","1") = "8"
    & skf18("9","3","7","6","1","6","1") = "8"
    & skf18("9","3","7","6","1","7","1") = "8"
    & skf18("9","3","7","6","1","8","1") = "8"
    & skf18("9","3","7","6","1","9","1") = "8"
    & skf18("9","3","7","6","1","10","1") = "9"
    & skf18("9","3","7","6","2","1","1") = "8"
    & skf18("9","3","7","6","2","2","1") = "8"
    & skf18("9","3","7","6","2","3","1") = "8"
    & skf18("9","3","7","6","2","4","1") = "8"
    & skf18("9","3","7","6","2","5","1") = "8"
    & skf18("9","3","7","6","2","6","1") = "8"
    & skf18("9","3","7","6","2","7","1") = "8"
    & skf18("9","3","7","6","2","8","1") = "8"
    & skf18("9","3","7","6","2","9","1") = "8"
    & skf18("9","3","7","6","2","10","1") = "9"
    & skf18("9","3","7","6","3","1","1") = "8"
    & skf18("9","3","7","6","3","2","1") = "8"
    & skf18("9","3","7","6","3","3","1") = "8"
    & skf18("9","3","7","6","3","4","1") = "8"
    & skf18("9","3","7","6","3","5","1") = "8"
    & skf18("9","3","7","6","3","6","1") = "8"
    & skf18("9","3","7","6","3","7","1") = "8"
    & skf18("9","3","7","6","3","8","1") = "8"
    & skf18("9","3","7","6","3","9","1") = "8"
    & skf18("9","3","7","6","3","10","1") = "9"
    & skf18("9","3","7","6","4","1","1") = "8"
    & skf18("9","3","7","6","4","2","1") = "8"
    & skf18("9","3","7","6","4","3","1") = "8"
    & skf18("9","3","7","6","4","4","1") = "8"
    & skf18("9","3","7","6","4","5","1") = "8"
    & skf18("9","3","7","6","4","6","1") = "8"
    & skf18("9","3","7","6","4","7","1") = "8"
    & skf18("9","3","7","6","4","8","1") = "8"
    & skf18("9","3","7","6","4","9","1") = "8"
    & skf18("9","3","7","6","4","10","1") = "9"
    & skf18("9","3","7","6","5","1","1") = "8"
    & skf18("9","3","7","6","5","2","1") = "8"
    & skf18("9","3","7","6","5","3","1") = "8"
    & skf18("9","3","7","6","5","4","1") = "8"
    & skf18("9","3","7","6","5","5","1") = "8"
    & skf18("9","3","7","6","5","6","1") = "8"
    & skf18("9","3","7","6","5","7","1") = "8"
    & skf18("9","3","7","6","5","8","1") = "8"
    & skf18("9","3","7","6","5","9","1") = "8"
    & skf18("9","3","7","6","5","10","1") = "9"
    & skf18("9","3","7","6","6","1","1") = "8"
    & skf18("9","3","7","6","6","2","1") = "8"
    & skf18("9","3","7","6","6","3","1") = "8"
    & skf18("9","3","7","6","6","4","1") = "8"
    & skf18("9","3","7","6","6","5","1") = "8"
    & skf18("9","3","7","6","6","6","1") = "8"
    & skf18("9","3","7","6","6","7","1") = "8"
    & skf18("9","3","7","6","6","8","1") = "8"
    & skf18("9","3","7","6","6","9","1") = "8"
    & skf18("9","3","7","6","6","10","1") = "9"
    & skf18("9","3","7","6","7","1","1") = "8"
    & skf18("9","3","7","6","7","2","1") = "8"
    & skf18("9","3","7","6","7","3","1") = "8"
    & skf18("9","3","7","6","7","4","1") = "8"
    & skf18("9","3","7","6","7","5","1") = "8"
    & skf18("9","3","7","6","7","6","1") = "8"
    & skf18("9","3","7","6","7","7","1") = "8"
    & skf18("9","3","7","6","7","8","1") = "8"
    & skf18("9","3","7","6","7","9","1") = "8"
    & skf18("9","3","7","6","7","10","1") = "9"
    & skf18("9","3","7","6","8","1","1") = "8"
    & skf18("9","3","7","6","8","2","1") = "8"
    & skf18("9","3","7","6","8","3","1") = "8"
    & skf18("9","3","7","6","8","4","1") = "8"
    & skf18("9","3","7","6","8","5","1") = "8"
    & skf18("9","3","7","6","8","6","1") = "8"
    & skf18("9","3","7","6","8","7","1") = "8"
    & skf18("9","3","7","6","8","8","1") = "8"
    & skf18("9","3","7","6","8","9","1") = "8"
    & skf18("9","3","7","6","8","10","1") = "9"
    & skf18("9","3","7","6","9","1","1") = "8"
    & skf18("9","3","7","6","9","2","1") = "8"
    & skf18("9","3","7","6","9","3","1") = "8"
    & skf18("9","3","7","6","9","4","1") = "8"
    & skf18("9","3","7","6","9","5","1") = "8"
    & skf18("9","3","7","6","9","6","1") = "8"
    & skf18("9","3","7","6","9","7","1") = "8"
    & skf18("9","3","7","6","9","8","1") = "8"
    & skf18("9","3","7","6","9","9","1") = "8"
    & skf18("9","3","7","6","9","10","1") = "9"
    & skf18("9","3","7","6","10","1","1") = "9"
    & skf18("9","3","7","6","10","2","1") = "9"
    & skf18("9","3","7","6","10","3","1") = "9"
    & skf18("9","3","7","6","10","4","1") = "9"
    & skf18("9","3","7","6","10","5","1") = "9"
    & skf18("9","3","7","6","10","6","1") = "9"
    & skf18("9","3","7","6","10","7","1") = "9"
    & skf18("9","3","7","6","10","8","1") = "9"
    & skf18("9","3","7","6","10","9","1") = "9"
    & skf18("9","3","7","6","10","10","1") = "9"
    & skf18("9","3","7","7","1","1","1") = "8"
    & skf18("9","3","7","7","1","2","1") = "8"
    & skf18("9","3","7","7","1","3","1") = "8"
    & skf18("9","3","7","7","1","4","1") = "8"
    & skf18("9","3","7","7","1","5","1") = "8"
    & skf18("9","3","7","7","1","6","1") = "8"
    & skf18("9","3","7","7","1","7","1") = "8"
    & skf18("9","3","7","7","1","8","1") = "8"
    & skf18("9","3","7","7","1","9","1") = "8"
    & skf18("9","3","7","7","1","10","1") = "9"
    & skf18("9","3","7","7","2","1","1") = "8"
    & skf18("9","3","7","7","2","2","1") = "8"
    & skf18("9","3","7","7","2","3","1") = "8"
    & skf18("9","3","7","7","2","4","1") = "8"
    & skf18("9","3","7","7","2","5","1") = "8"
    & skf18("9","3","7","7","2","6","1") = "8"
    & skf18("9","3","7","7","2","7","1") = "8"
    & skf18("9","3","7","7","2","8","1") = "8"
    & skf18("9","3","7","7","2","9","1") = "8"
    & skf18("9","3","7","7","2","10","1") = "9"
    & skf18("9","3","7","7","3","1","1") = "8"
    & skf18("9","3","7","7","3","2","1") = "8"
    & skf18("9","3","7","7","3","3","1") = "8"
    & skf18("9","3","7","7","3","4","1") = "8"
    & skf18("9","3","7","7","3","5","1") = "8"
    & skf18("9","3","7","7","3","6","1") = "8"
    & skf18("9","3","7","7","3","7","1") = "8"
    & skf18("9","3","7","7","3","8","1") = "8"
    & skf18("9","3","7","7","3","9","1") = "8"
    & skf18("9","3","7","7","3","10","1") = "9"
    & skf18("9","3","7","7","4","1","1") = "8"
    & skf18("9","3","7","7","4","2","1") = "8"
    & skf18("9","3","7","7","4","3","1") = "8"
    & skf18("9","3","7","7","4","4","1") = "8"
    & skf18("9","3","7","7","4","5","1") = "8"
    & skf18("9","3","7","7","4","6","1") = "8"
    & skf18("9","3","7","7","4","7","1") = "8"
    & skf18("9","3","7","7","4","8","1") = "8"
    & skf18("9","3","7","7","4","9","1") = "8"
    & skf18("9","3","7","7","4","10","1") = "9"
    & skf18("9","3","7","7","5","1","1") = "8"
    & skf18("9","3","7","7","5","2","1") = "8"
    & skf18("9","3","7","7","5","3","1") = "8"
    & skf18("9","3","7","7","5","4","1") = "8"
    & skf18("9","3","7","7","5","5","1") = "8"
    & skf18("9","3","7","7","5","6","1") = "8"
    & skf18("9","3","7","7","5","7","1") = "8"
    & skf18("9","3","7","7","5","8","1") = "8"
    & skf18("9","3","7","7","5","9","1") = "8"
    & skf18("9","3","7","7","5","10","1") = "9"
    & skf18("9","3","7","7","6","1","1") = "8"
    & skf18("9","3","7","7","6","2","1") = "8"
    & skf18("9","3","7","7","6","3","1") = "8"
    & skf18("9","3","7","7","6","4","1") = "8"
    & skf18("9","3","7","7","6","5","1") = "8"
    & skf18("9","3","7","7","6","6","1") = "8"
    & skf18("9","3","7","7","6","7","1") = "8"
    & skf18("9","3","7","7","6","8","1") = "8"
    & skf18("9","3","7","7","6","9","1") = "8"
    & skf18("9","3","7","7","6","10","1") = "9"
    & skf18("9","3","7","7","7","1","1") = "8"
    & skf18("9","3","7","7","7","2","1") = "8"
    & skf18("9","3","7","7","7","3","1") = "8"
    & skf18("9","3","7","7","7","4","1") = "8"
    & skf18("9","3","7","7","7","5","1") = "8"
    & skf18("9","3","7","7","7","6","1") = "8"
    & skf18("9","3","7","7","7","7","1") = "8"
    & skf18("9","3","7","7","7","8","1") = "8"
    & skf18("9","3","7","7","7","9","1") = "8"
    & skf18("9","3","7","7","7","10","1") = "9"
    & skf18("9","3","7","7","8","1","1") = "8"
    & skf18("9","3","7","7","8","2","1") = "8"
    & skf18("9","3","7","7","8","3","1") = "8"
    & skf18("9","3","7","7","8","4","1") = "8"
    & skf18("9","3","7","7","8","5","1") = "8"
    & skf18("9","3","7","7","8","6","1") = "8"
    & skf18("9","3","7","7","8","7","1") = "8"
    & skf18("9","3","7","7","8","8","1") = "8"
    & skf18("9","3","7","7","8","9","1") = "8"
    & skf18("9","3","7","7","8","10","1") = "9"
    & skf18("9","3","7","7","9","1","1") = "8"
    & skf18("9","3","7","7","9","2","1") = "8"
    & skf18("9","3","7","7","9","3","1") = "8"
    & skf18("9","3","7","7","9","4","1") = "8"
    & skf18("9","3","7","7","9","5","1") = "8"
    & skf18("9","3","7","7","9","6","1") = "8"
    & skf18("9","3","7","7","9","7","1") = "8"
    & skf18("9","3","7","7","9","8","1") = "8"
    & skf18("9","3","7","7","9","9","1") = "8"
    & skf18("9","3","7","7","9","10","1") = "9"
    & skf18("9","3","7","7","10","1","1") = "9"
    & skf18("9","3","7","7","10","2","1") = "9"
    & skf18("9","3","7","7","10","3","1") = "9"
    & skf18("9","3","7","7","10","4","1") = "9"
    & skf18("9","3","7","7","10","5","1") = "9"
    & skf18("9","3","7","7","10","6","1") = "9"
    & skf18("9","3","7","7","10","7","1") = "9"
    & skf18("9","3","7","7","10","8","1") = "9"
    & skf18("9","3","7","7","10","9","1") = "9"
    & skf18("9","3","7","7","10","10","1") = "9"
    & skf18("9","3","7","8","1","1","1") = "8"
    & skf18("9","3","7","8","1","2","1") = "8"
    & skf18("9","3","7","8","1","3","1") = "8"
    & skf18("9","3","7","8","1","4","1") = "8"
    & skf18("9","3","7","8","1","5","1") = "8"
    & skf18("9","3","7","8","1","6","1") = "8"
    & skf18("9","3","7","8","1","7","1") = "8"
    & skf18("9","3","7","8","1","8","1") = "8"
    & skf18("9","3","7","8","1","9","1") = "8"
    & skf18("9","3","7","8","1","10","1") = "9"
    & skf18("9","3","7","8","2","1","1") = "8"
    & skf18("9","3","7","8","2","2","1") = "8"
    & skf18("9","3","7","8","2","3","1") = "8"
    & skf18("9","3","7","8","2","4","1") = "8"
    & skf18("9","3","7","8","2","5","1") = "8"
    & skf18("9","3","7","8","2","6","1") = "8"
    & skf18("9","3","7","8","2","7","1") = "8"
    & skf18("9","3","7","8","2","8","1") = "8"
    & skf18("9","3","7","8","2","9","1") = "8"
    & skf18("9","3","7","8","2","10","1") = "9"
    & skf18("9","3","7","8","3","1","1") = "8"
    & skf18("9","3","7","8","3","2","1") = "8"
    & skf18("9","3","7","8","3","3","1") = "8"
    & skf18("9","3","7","8","3","4","1") = "8"
    & skf18("9","3","7","8","3","5","1") = "8"
    & skf18("9","3","7","8","3","6","1") = "8"
    & skf18("9","3","7","8","3","7","1") = "8"
    & skf18("9","3","7","8","3","8","1") = "8"
    & skf18("9","3","7","8","3","9","1") = "8"
    & skf18("9","3","7","8","3","10","1") = "9"
    & skf18("9","3","7","8","4","1","1") = "8"
    & skf18("9","3","7","8","4","2","1") = "8"
    & skf18("9","3","7","8","4","3","1") = "8"
    & skf18("9","3","7","8","4","4","1") = "8"
    & skf18("9","3","7","8","4","5","1") = "8"
    & skf18("9","3","7","8","4","6","1") = "8"
    & skf18("9","3","7","8","4","7","1") = "8"
    & skf18("9","3","7","8","4","8","1") = "8"
    & skf18("9","3","7","8","4","9","1") = "8"
    & skf18("9","3","7","8","4","10","1") = "9"
    & skf18("9","3","7","8","5","1","1") = "8"
    & skf18("9","3","7","8","5","2","1") = "8"
    & skf18("9","3","7","8","5","3","1") = "8"
    & skf18("9","3","7","8","5","4","1") = "8"
    & skf18("9","3","7","8","5","5","1") = "8"
    & skf18("9","3","7","8","5","6","1") = "8"
    & skf18("9","3","7","8","5","7","1") = "8"
    & skf18("9","3","7","8","5","8","1") = "8"
    & skf18("9","3","7","8","5","9","1") = "8"
    & skf18("9","3","7","8","5","10","1") = "9"
    & skf18("9","3","7","8","6","1","1") = "8"
    & skf18("9","3","7","8","6","2","1") = "8"
    & skf18("9","3","7","8","6","3","1") = "8"
    & skf18("9","3","7","8","6","4","1") = "8"
    & skf18("9","3","7","8","6","5","1") = "8"
    & skf18("9","3","7","8","6","6","1") = "8"
    & skf18("9","3","7","8","6","7","1") = "8"
    & skf18("9","3","7","8","6","8","1") = "8"
    & skf18("9","3","7","8","6","9","1") = "8"
    & skf18("9","3","7","8","6","10","1") = "9"
    & skf18("9","3","7","8","7","1","1") = "8"
    & skf18("9","3","7","8","7","2","1") = "8"
    & skf18("9","3","7","8","7","3","1") = "8"
    & skf18("9","3","7","8","7","4","1") = "8"
    & skf18("9","3","7","8","7","5","1") = "8"
    & skf18("9","3","7","8","7","6","1") = "8"
    & skf18("9","3","7","8","7","7","1") = "8"
    & skf18("9","3","7","8","7","8","1") = "8"
    & skf18("9","3","7","8","7","9","1") = "8"
    & skf18("9","3","7","8","7","10","1") = "9"
    & skf18("9","3","7","8","8","1","1") = "8"
    & skf18("9","3","7","8","8","2","1") = "8"
    & skf18("9","3","7","8","8","3","1") = "8"
    & skf18("9","3","7","8","8","4","1") = "8"
    & skf18("9","3","7","8","8","5","1") = "8"
    & skf18("9","3","7","8","8","6","1") = "8"
    & skf18("9","3","7","8","8","7","1") = "8"
    & skf18("9","3","7","8","8","8","1") = "8"
    & skf18("9","3","7","8","8","9","1") = "8"
    & skf18("9","3","7","8","8","10","1") = "9"
    & skf18("9","3","7","8","9","1","1") = "8"
    & skf18("9","3","7","8","9","2","1") = "8"
    & skf18("9","3","7","8","9","3","1") = "8"
    & skf18("9","3","7","8","9","4","1") = "8"
    & skf18("9","3","7","8","9","5","1") = "8"
    & skf18("9","3","7","8","9","6","1") = "8"
    & skf18("9","3","7","8","9","7","1") = "8"
    & skf18("9","3","7","8","9","8","1") = "8"
    & skf18("9","3","7","8","9","9","1") = "8"
    & skf18("9","3","7","8","9","10","1") = "9"
    & skf18("9","3","7","8","10","1","1") = "9"
    & skf18("9","3","7","8","10","2","1") = "9"
    & skf18("9","3","7","8","10","3","1") = "9"
    & skf18("9","3","7","8","10","4","1") = "9"
    & skf18("9","3","7","8","10","5","1") = "9"
    & skf18("9","3","7","8","10","6","1") = "9"
    & skf18("9","3","7","8","10","7","1") = "9"
    & skf18("9","3","7","8","10","8","1") = "9"
    & skf18("9","3","7","8","10","9","1") = "9"
    & skf18("9","3","7","8","10","10","1") = "9"
    & skf18("9","3","7","9","1","1","1") = "8"
    & skf18("9","3","7","9","1","2","1") = "8"
    & skf18("9","3","7","9","1","3","1") = "8"
    & skf18("9","3","7","9","1","4","1") = "8"
    & skf18("9","3","7","9","1","5","1") = "8"
    & skf18("9","3","7","9","1","6","1") = "8"
    & skf18("9","3","7","9","1","7","1") = "8"
    & skf18("9","3","7","9","1","8","1") = "8"
    & skf18("9","3","7","9","1","9","1") = "8"
    & skf18("9","3","7","9","1","10","1") = "9"
    & skf18("9","3","7","9","2","1","1") = "8"
    & skf18("9","3","7","9","2","2","1") = "8"
    & skf18("9","3","7","9","2","3","1") = "8"
    & skf18("9","3","7","9","2","4","1") = "8"
    & skf18("9","3","7","9","2","5","1") = "8"
    & skf18("9","3","7","9","2","6","1") = "8"
    & skf18("9","3","7","9","2","7","1") = "8"
    & skf18("9","3","7","9","2","8","1") = "8"
    & skf18("9","3","7","9","2","9","1") = "8"
    & skf18("9","3","7","9","2","10","1") = "9"
    & skf18("9","3","7","9","3","1","1") = "8"
    & skf18("9","3","7","9","3","2","1") = "8"
    & skf18("9","3","7","9","3","3","1") = "8"
    & skf18("9","3","7","9","3","4","1") = "8"
    & skf18("9","3","7","9","3","5","1") = "8"
    & skf18("9","3","7","9","3","6","1") = "8"
    & skf18("9","3","7","9","3","7","1") = "8"
    & skf18("9","3","7","9","3","8","1") = "8"
    & skf18("9","3","7","9","3","9","1") = "8"
    & skf18("9","3","7","9","3","10","1") = "9"
    & skf18("9","3","7","9","4","1","1") = "8"
    & skf18("9","3","7","9","4","2","1") = "8"
    & skf18("9","3","7","9","4","3","1") = "8"
    & skf18("9","3","7","9","4","4","1") = "8"
    & skf18("9","3","7","9","4","5","1") = "8"
    & skf18("9","3","7","9","4","6","1") = "8"
    & skf18("9","3","7","9","4","7","1") = "8"
    & skf18("9","3","7","9","4","8","1") = "8"
    & skf18("9","3","7","9","4","9","1") = "8"
    & skf18("9","3","7","9","4","10","1") = "9"
    & skf18("9","3","7","9","5","1","1") = "8"
    & skf18("9","3","7","9","5","2","1") = "8"
    & skf18("9","3","7","9","5","3","1") = "8"
    & skf18("9","3","7","9","5","4","1") = "8"
    & skf18("9","3","7","9","5","5","1") = "8"
    & skf18("9","3","7","9","5","6","1") = "8"
    & skf18("9","3","7","9","5","7","1") = "8"
    & skf18("9","3","7","9","5","8","1") = "8"
    & skf18("9","3","7","9","5","9","1") = "8"
    & skf18("9","3","7","9","5","10","1") = "9"
    & skf18("9","3","7","9","6","1","1") = "8"
    & skf18("9","3","7","9","6","2","1") = "8"
    & skf18("9","3","7","9","6","3","1") = "8"
    & skf18("9","3","7","9","6","4","1") = "8"
    & skf18("9","3","7","9","6","5","1") = "8"
    & skf18("9","3","7","9","6","6","1") = "8"
    & skf18("9","3","7","9","6","7","1") = "8"
    & skf18("9","3","7","9","6","8","1") = "8"
    & skf18("9","3","7","9","6","9","1") = "8"
    & skf18("9","3","7","9","6","10","1") = "9"
    & skf18("9","3","7","9","7","1","1") = "8"
    & skf18("9","3","7","9","7","2","1") = "8"
    & skf18("9","3","7","9","7","3","1") = "8"
    & skf18("9","3","7","9","7","4","1") = "8"
    & skf18("9","3","7","9","7","5","1") = "8"
    & skf18("9","3","7","9","7","6","1") = "8"
    & skf18("9","3","7","9","7","7","1") = "8"
    & skf18("9","3","7","9","7","8","1") = "8"
    & skf18("9","3","7","9","7","9","1") = "8"
    & skf18("9","3","7","9","7","10","1") = "9"
    & skf18("9","3","7","9","8","1","1") = "8"
    & skf18("9","3","7","9","8","2","1") = "8"
    & skf18("9","3","7","9","8","3","1") = "8"
    & skf18("9","3","7","9","8","4","1") = "8"
    & skf18("9","3","7","9","8","5","1") = "8"
    & skf18("9","3","7","9","8","6","1") = "8"
    & skf18("9","3","7","9","8","7","1") = "8"
    & skf18("9","3","7","9","8","8","1") = "8"
    & skf18("9","3","7","9","8","9","1") = "8"
    & skf18("9","3","7","9","8","10","1") = "9"
    & skf18("9","3","7","9","9","1","1") = "8"
    & skf18("9","3","7","9","9","2","1") = "8"
    & skf18("9","3","7","9","9","3","1") = "8"
    & skf18("9","3","7","9","9","4","1") = "8"
    & skf18("9","3","7","9","9","5","1") = "8"
    & skf18("9","3","7","9","9","6","1") = "8"
    & skf18("9","3","7","9","9","7","1") = "8"
    & skf18("9","3","7","9","9","8","1") = "8"
    & skf18("9","3","7","9","9","9","1") = "8"
    & skf18("9","3","7","9","9","10","1") = "9"
    & skf18("9","3","7","9","10","1","1") = "9"
    & skf18("9","3","7","9","10","2","1") = "9"
    & skf18("9","3","7","9","10","3","1") = "9"
    & skf18("9","3","7","9","10","4","1") = "9"
    & skf18("9","3","7","9","10","5","1") = "9"
    & skf18("9","3","7","9","10","6","1") = "9"
    & skf18("9","3","7","9","10","7","1") = "9"
    & skf18("9","3","7","9","10","8","1") = "9"
    & skf18("9","3","7","9","10","9","1") = "9"
    & skf18("9","3","7","9","10","10","1") = "9"
    & skf18("9","3","7","10","1","1","1") = "9"
    & skf18("9","3","7","10","1","2","1") = "9"
    & skf18("9","3","7","10","1","3","1") = "9"
    & skf18("9","3","7","10","1","4","1") = "9"
    & skf18("9","3","7","10","1","5","1") = "9"
    & skf18("9","3","7","10","1","6","1") = "9"
    & skf18("9","3","7","10","1","7","1") = "9"
    & skf18("9","3","7","10","1","8","1") = "9"
    & skf18("9","3","7","10","1","9","1") = "9"
    & skf18("9","3","7","10","1","10","1") = "9"
    & skf18("9","3","7","10","2","1","1") = "9"
    & skf18("9","3","7","10","2","2","1") = "9"
    & skf18("9","3","7","10","2","3","1") = "9"
    & skf18("9","3","7","10","2","4","1") = "9"
    & skf18("9","3","7","10","2","5","1") = "9"
    & skf18("9","3","7","10","2","6","1") = "9"
    & skf18("9","3","7","10","2","7","1") = "9"
    & skf18("9","3","7","10","2","8","1") = "9"
    & skf18("9","3","7","10","2","9","1") = "9"
    & skf18("9","3","7","10","2","10","1") = "9"
    & skf18("9","3","7","10","3","1","1") = "9"
    & skf18("9","3","7","10","3","2","1") = "9"
    & skf18("9","3","7","10","3","3","1") = "9"
    & skf18("9","3","7","10","3","4","1") = "9"
    & skf18("9","3","7","10","3","5","1") = "9"
    & skf18("9","3","7","10","3","6","1") = "9"
    & skf18("9","3","7","10","3","7","1") = "9"
    & skf18("9","3","7","10","3","8","1") = "9"
    & skf18("9","3","7","10","3","9","1") = "9"
    & skf18("9","3","7","10","3","10","1") = "9"
    & skf18("9","3","7","10","4","1","1") = "9"
    & skf18("9","3","7","10","4","2","1") = "9"
    & skf18("9","3","7","10","4","3","1") = "9"
    & skf18("9","3","7","10","4","4","1") = "9"
    & skf18("9","3","7","10","4","5","1") = "9"
    & skf18("9","3","7","10","4","6","1") = "9"
    & skf18("9","3","7","10","4","7","1") = "9"
    & skf18("9","3","7","10","4","8","1") = "9"
    & skf18("9","3","7","10","4","9","1") = "9"
    & skf18("9","3","7","10","4","10","1") = "9"
    & skf18("9","3","7","10","5","1","1") = "9"
    & skf18("9","3","7","10","5","2","1") = "9"
    & skf18("9","3","7","10","5","3","1") = "9"
    & skf18("9","3","7","10","5","4","1") = "9"
    & skf18("9","3","7","10","5","5","1") = "9"
    & skf18("9","3","7","10","5","6","1") = "9"
    & skf18("9","3","7","10","5","7","1") = "9"
    & skf18("9","3","7","10","5","8","1") = "9"
    & skf18("9","3","7","10","5","9","1") = "9"
    & skf18("9","3","7","10","5","10","1") = "9"
    & skf18("9","3","7","10","6","1","1") = "9"
    & skf18("9","3","7","10","6","2","1") = "9"
    & skf18("9","3","7","10","6","3","1") = "9"
    & skf18("9","3","7","10","6","4","1") = "9"
    & skf18("9","3","7","10","6","5","1") = "9"
    & skf18("9","3","7","10","6","6","1") = "9"
    & skf18("9","3","7","10","6","7","1") = "9"
    & skf18("9","3","7","10","6","8","1") = "9"
    & skf18("9","3","7","10","6","9","1") = "9"
    & skf18("9","3","7","10","6","10","1") = "9"
    & skf18("9","3","7","10","7","1","1") = "9"
    & skf18("9","3","7","10","7","2","1") = "9"
    & skf18("9","3","7","10","7","3","1") = "9"
    & skf18("9","3","7","10","7","4","1") = "9"
    & skf18("9","3","7","10","7","5","1") = "9"
    & skf18("9","3","7","10","7","6","1") = "9"
    & skf18("9","3","7","10","7","7","1") = "9"
    & skf18("9","3","7","10","7","8","1") = "9"
    & skf18("9","3","7","10","7","9","1") = "9"
    & skf18("9","3","7","10","7","10","1") = "9"
    & skf18("9","3","7","10","8","1","1") = "9"
    & skf18("9","3","7","10","8","2","1") = "9"
    & skf18("9","3","7","10","8","3","1") = "9"
    & skf18("9","3","7","10","8","4","1") = "9"
    & skf18("9","3","7","10","8","5","1") = "9"
    & skf18("9","3","7","10","8","6","1") = "9"
    & skf18("9","3","7","10","8","7","1") = "9"
    & skf18("9","3","7","10","8","8","1") = "9"
    & skf18("9","3","7","10","8","9","1") = "9"
    & skf18("9","3","7","10","8","10","1") = "9"
    & skf18("9","3","7","10","9","1","1") = "9"
    & skf18("9","3","7","10","9","2","1") = "9"
    & skf18("9","3","7","10","9","3","1") = "9"
    & skf18("9","3","7","10","9","4","1") = "9"
    & skf18("9","3","7","10","9","5","1") = "9"
    & skf18("9","3","7","10","9","6","1") = "9"
    & skf18("9","3","7","10","9","7","1") = "9"
    & skf18("9","3","7","10","9","8","1") = "9"
    & skf18("9","3","7","10","9","9","1") = "9"
    & skf18("9","3","7","10","9","10","1") = "9"
    & skf18("9","3","7","10","10","1","1") = "9"
    & skf18("9","3","7","10","10","2","1") = "9"
    & skf18("9","3","7","10","10","3","1") = "9"
    & skf18("9","3","7","10","10","4","1") = "9"
    & skf18("9","3","7","10","10","5","1") = "9"
    & skf18("9","3","7","10","10","6","1") = "9"
    & skf18("9","3","7","10","10","7","1") = "9"
    & skf18("9","3","7","10","10","8","1") = "9"
    & skf18("9","3","7","10","10","9","1") = "9"
    & skf18("9","3","7","10","10","10","1") = "9"
    & skf18("9","3","8","1","1","1","1") = "8"
    & skf18("9","3","8","1","1","2","1") = "8"
    & skf18("9","3","8","1","1","3","1") = "8"
    & skf18("9","3","8","1","1","4","1") = "8"
    & skf18("9","3","8","1","1","5","1") = "8"
    & skf18("9","3","8","1","1","6","1") = "8"
    & skf18("9","3","8","1","1","7","1") = "8"
    & skf18("9","3","8","1","1","8","1") = "8"
    & skf18("9","3","8","1","1","9","1") = "8"
    & skf18("9","3","8","1","1","10","1") = "9"
    & skf18("9","3","8","1","2","1","1") = "8"
    & skf18("9","3","8","1","2","2","1") = "8"
    & skf18("9","3","8","1","2","3","1") = "8"
    & skf18("9","3","8","1","2","4","1") = "8"
    & skf18("9","3","8","1","2","5","1") = "8"
    & skf18("9","3","8","1","2","6","1") = "8"
    & skf18("9","3","8","1","2","7","1") = "8"
    & skf18("9","3","8","1","2","8","1") = "8"
    & skf18("9","3","8","1","2","9","1") = "8"
    & skf18("9","3","8","1","2","10","1") = "9"
    & skf18("9","3","8","1","3","1","1") = "8"
    & skf18("9","3","8","1","3","2","1") = "8"
    & skf18("9","3","8","1","3","3","1") = "8"
    & skf18("9","3","8","1","3","4","1") = "8"
    & skf18("9","3","8","1","3","5","1") = "8"
    & skf18("9","3","8","1","3","6","1") = "8"
    & skf18("9","3","8","1","3","7","1") = "8"
    & skf18("9","3","8","1","3","8","1") = "8"
    & skf18("9","3","8","1","3","9","1") = "8"
    & skf18("9","3","8","1","3","10","1") = "9"
    & skf18("9","3","8","1","4","1","1") = "8"
    & skf18("9","3","8","1","4","2","1") = "8"
    & skf18("9","3","8","1","4","3","1") = "8"
    & skf18("9","3","8","1","4","4","1") = "8"
    & skf18("9","3","8","1","4","5","1") = "8"
    & skf18("9","3","8","1","4","6","1") = "8"
    & skf18("9","3","8","1","4","7","1") = "8"
    & skf18("9","3","8","1","4","8","1") = "8"
    & skf18("9","3","8","1","4","9","1") = "8"
    & skf18("9","3","8","1","4","10","1") = "9"
    & skf18("9","3","8","1","5","1","1") = "8"
    & skf18("9","3","8","1","5","2","1") = "8"
    & skf18("9","3","8","1","5","3","1") = "8"
    & skf18("9","3","8","1","5","4","1") = "8"
    & skf18("9","3","8","1","5","5","1") = "8"
    & skf18("9","3","8","1","5","6","1") = "8"
    & skf18("9","3","8","1","5","7","1") = "8"
    & skf18("9","3","8","1","5","8","1") = "8"
    & skf18("9","3","8","1","5","9","1") = "8"
    & skf18("9","3","8","1","5","10","1") = "9"
    & skf18("9","3","8","1","6","1","1") = "8"
    & skf18("9","3","8","1","6","2","1") = "8"
    & skf18("9","3","8","1","6","3","1") = "8"
    & skf18("9","3","8","1","6","4","1") = "8"
    & skf18("9","3","8","1","6","5","1") = "8"
    & skf18("9","3","8","1","6","6","1") = "8"
    & skf18("9","3","8","1","6","7","1") = "8"
    & skf18("9","3","8","1","6","8","1") = "8"
    & skf18("9","3","8","1","6","9","1") = "8"
    & skf18("9","3","8","1","6","10","1") = "9"
    & skf18("9","3","8","1","7","1","1") = "8"
    & skf18("9","3","8","1","7","2","1") = "8"
    & skf18("9","3","8","1","7","3","1") = "8"
    & skf18("9","3","8","1","7","4","1") = "8"
    & skf18("9","3","8","1","7","5","1") = "8"
    & skf18("9","3","8","1","7","6","1") = "8"
    & skf18("9","3","8","1","7","7","1") = "8"
    & skf18("9","3","8","1","7","8","1") = "8"
    & skf18("9","3","8","1","7","9","1") = "8"
    & skf18("9","3","8","1","7","10","1") = "9"
    & skf18("9","3","8","1","8","1","1") = "8"
    & skf18("9","3","8","1","8","2","1") = "8"
    & skf18("9","3","8","1","8","3","1") = "8"
    & skf18("9","3","8","1","8","4","1") = "8"
    & skf18("9","3","8","1","8","5","1") = "8"
    & skf18("9","3","8","1","8","6","1") = "8"
    & skf18("9","3","8","1","8","7","1") = "8"
    & skf18("9","3","8","1","8","8","1") = "8"
    & skf18("9","3","8","1","8","9","1") = "8"
    & skf18("9","3","8","1","8","10","1") = "9"
    & skf18("9","3","8","1","9","1","1") = "8"
    & skf18("9","3","8","1","9","2","1") = "8"
    & skf18("9","3","8","1","9","3","1") = "8"
    & skf18("9","3","8","1","9","4","1") = "8"
    & skf18("9","3","8","1","9","5","1") = "8"
    & skf18("9","3","8","1","9","6","1") = "8"
    & skf18("9","3","8","1","9","7","1") = "8"
    & skf18("9","3","8","1","9","8","1") = "8"
    & skf18("9","3","8","1","9","9","1") = "8"
    & skf18("9","3","8","1","9","10","1") = "9"
    & skf18("9","3","8","1","10","1","1") = "9"
    & skf18("9","3","8","1","10","2","1") = "9"
    & skf18("9","3","8","1","10","3","1") = "9"
    & skf18("9","3","8","1","10","4","1") = "9"
    & skf18("9","3","8","1","10","5","1") = "9"
    & skf18("9","3","8","1","10","6","1") = "9"
    & skf18("9","3","8","1","10","7","1") = "9"
    & skf18("9","3","8","1","10","8","1") = "9"
    & skf18("9","3","8","1","10","9","1") = "9"
    & skf18("9","3","8","1","10","10","1") = "9"
    & skf18("9","3","8","2","1","1","1") = "8"
    & skf18("9","3","8","2","1","2","1") = "8"
    & skf18("9","3","8","2","1","3","1") = "8"
    & skf18("9","3","8","2","1","4","1") = "8"
    & skf18("9","3","8","2","1","5","1") = "8"
    & skf18("9","3","8","2","1","6","1") = "8"
    & skf18("9","3","8","2","1","7","1") = "8"
    & skf18("9","3","8","2","1","8","1") = "8"
    & skf18("9","3","8","2","1","9","1") = "8"
    & skf18("9","3","8","2","1","10","1") = "9"
    & skf18("9","3","8","2","2","1","1") = "8"
    & skf18("9","3","8","2","2","2","1") = "8"
    & skf18("9","3","8","2","2","3","1") = "8"
    & skf18("9","3","8","2","2","4","1") = "8"
    & skf18("9","3","8","2","2","5","1") = "8"
    & skf18("9","3","8","2","2","6","1") = "8"
    & skf18("9","3","8","2","2","7","1") = "8"
    & skf18("9","3","8","2","2","8","1") = "8"
    & skf18("9","3","8","2","2","9","1") = "8"
    & skf18("9","3","8","2","2","10","1") = "9"
    & skf18("9","3","8","2","3","1","1") = "8"
    & skf18("9","3","8","2","3","2","1") = "8"
    & skf18("9","3","8","2","3","3","1") = "8"
    & skf18("9","3","8","2","3","4","1") = "8"
    & skf18("9","3","8","2","3","5","1") = "8"
    & skf18("9","3","8","2","3","6","1") = "8"
    & skf18("9","3","8","2","3","7","1") = "8"
    & skf18("9","3","8","2","3","8","1") = "8"
    & skf18("9","3","8","2","3","9","1") = "8"
    & skf18("9","3","8","2","3","10","1") = "9"
    & skf18("9","3","8","2","4","1","1") = "8"
    & skf18("9","3","8","2","4","2","1") = "8"
    & skf18("9","3","8","2","4","3","1") = "8"
    & skf18("9","3","8","2","4","4","1") = "8"
    & skf18("9","3","8","2","4","5","1") = "8"
    & skf18("9","3","8","2","4","6","1") = "8"
    & skf18("9","3","8","2","4","7","1") = "8"
    & skf18("9","3","8","2","4","8","1") = "8"
    & skf18("9","3","8","2","4","9","1") = "8"
    & skf18("9","3","8","2","4","10","1") = "9"
    & skf18("9","3","8","2","5","1","1") = "8"
    & skf18("9","3","8","2","5","2","1") = "8"
    & skf18("9","3","8","2","5","3","1") = "8"
    & skf18("9","3","8","2","5","4","1") = "8"
    & skf18("9","3","8","2","5","5","1") = "8"
    & skf18("9","3","8","2","5","6","1") = "8"
    & skf18("9","3","8","2","5","7","1") = "8"
    & skf18("9","3","8","2","5","8","1") = "8"
    & skf18("9","3","8","2","5","9","1") = "8"
    & skf18("9","3","8","2","5","10","1") = "9"
    & skf18("9","3","8","2","6","1","1") = "8"
    & skf18("9","3","8","2","6","2","1") = "8"
    & skf18("9","3","8","2","6","3","1") = "8"
    & skf18("9","3","8","2","6","4","1") = "8"
    & skf18("9","3","8","2","6","5","1") = "8"
    & skf18("9","3","8","2","6","6","1") = "8"
    & skf18("9","3","8","2","6","7","1") = "8"
    & skf18("9","3","8","2","6","8","1") = "8"
    & skf18("9","3","8","2","6","9","1") = "8"
    & skf18("9","3","8","2","6","10","1") = "9"
    & skf18("9","3","8","2","7","1","1") = "8"
    & skf18("9","3","8","2","7","2","1") = "8"
    & skf18("9","3","8","2","7","3","1") = "8"
    & skf18("9","3","8","2","7","4","1") = "8"
    & skf18("9","3","8","2","7","5","1") = "8"
    & skf18("9","3","8","2","7","6","1") = "8"
    & skf18("9","3","8","2","7","7","1") = "8"
    & skf18("9","3","8","2","7","8","1") = "8"
    & skf18("9","3","8","2","7","9","1") = "8"
    & skf18("9","3","8","2","7","10","1") = "9"
    & skf18("9","3","8","2","8","1","1") = "8"
    & skf18("9","3","8","2","8","2","1") = "8"
    & skf18("9","3","8","2","8","3","1") = "8"
    & skf18("9","3","8","2","8","4","1") = "8"
    & skf18("9","3","8","2","8","5","1") = "8"
    & skf18("9","3","8","2","8","6","1") = "8"
    & skf18("9","3","8","2","8","7","1") = "8"
    & skf18("9","3","8","2","8","8","1") = "8"
    & skf18("9","3","8","2","8","9","1") = "8"
    & skf18("9","3","8","2","8","10","1") = "9"
    & skf18("9","3","8","2","9","1","1") = "8"
    & skf18("9","3","8","2","9","2","1") = "8"
    & skf18("9","3","8","2","9","3","1") = "8"
    & skf18("9","3","8","2","9","4","1") = "8"
    & skf18("9","3","8","2","9","5","1") = "8"
    & skf18("9","3","8","2","9","6","1") = "8"
    & skf18("9","3","8","2","9","7","1") = "8"
    & skf18("9","3","8","2","9","8","1") = "8"
    & skf18("9","3","8","2","9","9","1") = "8"
    & skf18("9","3","8","2","9","10","1") = "9"
    & skf18("9","3","8","2","10","1","1") = "9"
    & skf18("9","3","8","2","10","2","1") = "9"
    & skf18("9","3","8","2","10","3","1") = "9"
    & skf18("9","3","8","2","10","4","1") = "9"
    & skf18("9","3","8","2","10","5","1") = "9"
    & skf18("9","3","8","2","10","6","1") = "9"
    & skf18("9","3","8","2","10","7","1") = "9"
    & skf18("9","3","8","2","10","8","1") = "9"
    & skf18("9","3","8","2","10","9","1") = "9"
    & skf18("9","3","8","2","10","10","1") = "9"
    & skf18("9","3","8","3","1","1","1") = "8"
    & skf18("9","3","8","3","1","2","1") = "8"
    & skf18("9","3","8","3","1","3","1") = "8"
    & skf18("9","3","8","3","1","4","1") = "8"
    & skf18("9","3","8","3","1","5","1") = "8"
    & skf18("9","3","8","3","1","6","1") = "8"
    & skf18("9","3","8","3","1","7","1") = "8"
    & skf18("9","3","8","3","1","8","1") = "8"
    & skf18("9","3","8","3","1","9","1") = "8"
    & skf18("9","3","8","3","1","10","1") = "9"
    & skf18("9","3","8","3","2","1","1") = "8"
    & skf18("9","3","8","3","2","2","1") = "8"
    & skf18("9","3","8","3","2","3","1") = "8"
    & skf18("9","3","8","3","2","4","1") = "8"
    & skf18("9","3","8","3","2","5","1") = "8"
    & skf18("9","3","8","3","2","6","1") = "8"
    & skf18("9","3","8","3","2","7","1") = "8"
    & skf18("9","3","8","3","2","8","1") = "8"
    & skf18("9","3","8","3","2","9","1") = "8"
    & skf18("9","3","8","3","2","10","1") = "9"
    & skf18("9","3","8","3","3","1","1") = "8"
    & skf18("9","3","8","3","3","2","1") = "8"
    & skf18("9","3","8","3","3","3","1") = "8"
    & skf18("9","3","8","3","3","4","1") = "8"
    & skf18("9","3","8","3","3","5","1") = "8"
    & skf18("9","3","8","3","3","6","1") = "8"
    & skf18("9","3","8","3","3","7","1") = "8"
    & skf18("9","3","8","3","3","8","1") = "8"
    & skf18("9","3","8","3","3","9","1") = "8"
    & skf18("9","3","8","3","3","10","1") = "9"
    & skf18("9","3","8","3","4","1","1") = "8"
    & skf18("9","3","8","3","4","2","1") = "8"
    & skf18("9","3","8","3","4","3","1") = "8"
    & skf18("9","3","8","3","4","4","1") = "8"
    & skf18("9","3","8","3","4","5","1") = "8"
    & skf18("9","3","8","3","4","6","1") = "8"
    & skf18("9","3","8","3","4","7","1") = "8"
    & skf18("9","3","8","3","4","8","1") = "8"
    & skf18("9","3","8","3","4","9","1") = "8"
    & skf18("9","3","8","3","4","10","1") = "9"
    & skf18("9","3","8","3","5","1","1") = "8"
    & skf18("9","3","8","3","5","2","1") = "8"
    & skf18("9","3","8","3","5","3","1") = "8"
    & skf18("9","3","8","3","5","4","1") = "8"
    & skf18("9","3","8","3","5","5","1") = "8"
    & skf18("9","3","8","3","5","6","1") = "8"
    & skf18("9","3","8","3","5","7","1") = "8"
    & skf18("9","3","8","3","5","8","1") = "8"
    & skf18("9","3","8","3","5","9","1") = "8"
    & skf18("9","3","8","3","5","10","1") = "9"
    & skf18("9","3","8","3","6","1","1") = "8"
    & skf18("9","3","8","3","6","2","1") = "8"
    & skf18("9","3","8","3","6","3","1") = "8"
    & skf18("9","3","8","3","6","4","1") = "8"
    & skf18("9","3","8","3","6","5","1") = "8"
    & skf18("9","3","8","3","6","6","1") = "8"
    & skf18("9","3","8","3","6","7","1") = "8"
    & skf18("9","3","8","3","6","8","1") = "8"
    & skf18("9","3","8","3","6","9","1") = "8"
    & skf18("9","3","8","3","6","10","1") = "9"
    & skf18("9","3","8","3","7","1","1") = "8"
    & skf18("9","3","8","3","7","2","1") = "8"
    & skf18("9","3","8","3","7","3","1") = "8"
    & skf18("9","3","8","3","7","4","1") = "8"
    & skf18("9","3","8","3","7","5","1") = "8"
    & skf18("9","3","8","3","7","6","1") = "8"
    & skf18("9","3","8","3","7","7","1") = "8"
    & skf18("9","3","8","3","7","8","1") = "8"
    & skf18("9","3","8","3","7","9","1") = "8"
    & skf18("9","3","8","3","7","10","1") = "9"
    & skf18("9","3","8","3","8","1","1") = "8"
    & skf18("9","3","8","3","8","2","1") = "8"
    & skf18("9","3","8","3","8","3","1") = "8"
    & skf18("9","3","8","3","8","4","1") = "8"
    & skf18("9","3","8","3","8","5","1") = "8"
    & skf18("9","3","8","3","8","6","1") = "8"
    & skf18("9","3","8","3","8","7","1") = "8"
    & skf18("9","3","8","3","8","8","1") = "8"
    & skf18("9","3","8","3","8","9","1") = "8"
    & skf18("9","3","8","3","8","10","1") = "9"
    & skf18("9","3","8","3","9","1","1") = "8"
    & skf18("9","3","8","3","9","2","1") = "8"
    & skf18("9","3","8","3","9","3","1") = "8"
    & skf18("9","3","8","3","9","4","1") = "8"
    & skf18("9","3","8","3","9","5","1") = "8"
    & skf18("9","3","8","3","9","6","1") = "8"
    & skf18("9","3","8","3","9","7","1") = "8"
    & skf18("9","3","8","3","9","8","1") = "8"
    & skf18("9","3","8","3","9","9","1") = "8"
    & skf18("9","3","8","3","9","10","1") = "9"
    & skf18("9","3","8","3","10","1","1") = "9"
    & skf18("9","3","8","3","10","2","1") = "9"
    & skf18("9","3","8","3","10","3","1") = "9"
    & skf18("9","3","8","3","10","4","1") = "9"
    & skf18("9","3","8","3","10","5","1") = "9"
    & skf18("9","3","8","3","10","6","1") = "9"
    & skf18("9","3","8","3","10","7","1") = "9"
    & skf18("9","3","8","3","10","8","1") = "9"
    & skf18("9","3","8","3","10","9","1") = "9"
    & skf18("9","3","8","3","10","10","1") = "9"
    & skf18("9","3","8","4","1","1","1") = "8"
    & skf18("9","3","8","4","1","2","1") = "8"
    & skf18("9","3","8","4","1","3","1") = "8"
    & skf18("9","3","8","4","1","4","1") = "8"
    & skf18("9","3","8","4","1","5","1") = "8"
    & skf18("9","3","8","4","1","6","1") = "8"
    & skf18("9","3","8","4","1","7","1") = "8"
    & skf18("9","3","8","4","1","8","1") = "8"
    & skf18("9","3","8","4","1","9","1") = "8"
    & skf18("9","3","8","4","1","10","1") = "9"
    & skf18("9","3","8","4","2","1","1") = "8"
    & skf18("9","3","8","4","2","2","1") = "8"
    & skf18("9","3","8","4","2","3","1") = "8"
    & skf18("9","3","8","4","2","4","1") = "8"
    & skf18("9","3","8","4","2","5","1") = "8"
    & skf18("9","3","8","4","2","6","1") = "8"
    & skf18("9","3","8","4","2","7","1") = "8"
    & skf18("9","3","8","4","2","8","1") = "8"
    & skf18("9","3","8","4","2","9","1") = "8"
    & skf18("9","3","8","4","2","10","1") = "9"
    & skf18("9","3","8","4","3","1","1") = "8"
    & skf18("9","3","8","4","3","2","1") = "8"
    & skf18("9","3","8","4","3","3","1") = "8"
    & skf18("9","3","8","4","3","4","1") = "8"
    & skf18("9","3","8","4","3","5","1") = "8"
    & skf18("9","3","8","4","3","6","1") = "8"
    & skf18("9","3","8","4","3","7","1") = "8"
    & skf18("9","3","8","4","3","8","1") = "8"
    & skf18("9","3","8","4","3","9","1") = "8"
    & skf18("9","3","8","4","3","10","1") = "9"
    & skf18("9","3","8","4","4","1","1") = "8"
    & skf18("9","3","8","4","4","2","1") = "8"
    & skf18("9","3","8","4","4","3","1") = "8"
    & skf18("9","3","8","4","4","4","1") = "8"
    & skf18("9","3","8","4","4","5","1") = "8"
    & skf18("9","3","8","4","4","6","1") = "8"
    & skf18("9","3","8","4","4","7","1") = "8"
    & skf18("9","3","8","4","4","8","1") = "8"
    & skf18("9","3","8","4","4","9","1") = "8"
    & skf18("9","3","8","4","4","10","1") = "9"
    & skf18("9","3","8","4","5","1","1") = "8"
    & skf18("9","3","8","4","5","2","1") = "8"
    & skf18("9","3","8","4","5","3","1") = "8"
    & skf18("9","3","8","4","5","4","1") = "8"
    & skf18("9","3","8","4","5","5","1") = "8"
    & skf18("9","3","8","4","5","6","1") = "8"
    & skf18("9","3","8","4","5","7","1") = "8"
    & skf18("9","3","8","4","5","8","1") = "8"
    & skf18("9","3","8","4","5","9","1") = "8"
    & skf18("9","3","8","4","5","10","1") = "9"
    & skf18("9","3","8","4","6","1","1") = "8"
    & skf18("9","3","8","4","6","2","1") = "8"
    & skf18("9","3","8","4","6","3","1") = "8"
    & skf18("9","3","8","4","6","4","1") = "8"
    & skf18("9","3","8","4","6","5","1") = "8"
    & skf18("9","3","8","4","6","6","1") = "8"
    & skf18("9","3","8","4","6","7","1") = "8"
    & skf18("9","3","8","4","6","8","1") = "8"
    & skf18("9","3","8","4","6","9","1") = "8"
    & skf18("9","3","8","4","6","10","1") = "9"
    & skf18("9","3","8","4","7","1","1") = "8"
    & skf18("9","3","8","4","7","2","1") = "8"
    & skf18("9","3","8","4","7","3","1") = "8"
    & skf18("9","3","8","4","7","4","1") = "8"
    & skf18("9","3","8","4","7","5","1") = "8"
    & skf18("9","3","8","4","7","6","1") = "8"
    & skf18("9","3","8","4","7","7","1") = "8"
    & skf18("9","3","8","4","7","8","1") = "8"
    & skf18("9","3","8","4","7","9","1") = "8"
    & skf18("9","3","8","4","7","10","1") = "9"
    & skf18("9","3","8","4","8","1","1") = "8"
    & skf18("9","3","8","4","8","2","1") = "8"
    & skf18("9","3","8","4","8","3","1") = "8"
    & skf18("9","3","8","4","8","4","1") = "8"
    & skf18("9","3","8","4","8","5","1") = "8"
    & skf18("9","3","8","4","8","6","1") = "8"
    & skf18("9","3","8","4","8","7","1") = "8"
    & skf18("9","3","8","4","8","8","1") = "8"
    & skf18("9","3","8","4","8","9","1") = "8"
    & skf18("9","3","8","4","8","10","1") = "9"
    & skf18("9","3","8","4","9","1","1") = "8"
    & skf18("9","3","8","4","9","2","1") = "8"
    & skf18("9","3","8","4","9","3","1") = "8"
    & skf18("9","3","8","4","9","4","1") = "8"
    & skf18("9","3","8","4","9","5","1") = "8"
    & skf18("9","3","8","4","9","6","1") = "8"
    & skf18("9","3","8","4","9","7","1") = "8"
    & skf18("9","3","8","4","9","8","1") = "8"
    & skf18("9","3","8","4","9","9","1") = "8"
    & skf18("9","3","8","4","9","10","1") = "9"
    & skf18("9","3","8","4","10","1","1") = "9"
    & skf18("9","3","8","4","10","2","1") = "9"
    & skf18("9","3","8","4","10","3","1") = "9"
    & skf18("9","3","8","4","10","4","1") = "9"
    & skf18("9","3","8","4","10","5","1") = "9"
    & skf18("9","3","8","4","10","6","1") = "9"
    & skf18("9","3","8","4","10","7","1") = "9"
    & skf18("9","3","8","4","10","8","1") = "9"
    & skf18("9","3","8","4","10","9","1") = "9"
    & skf18("9","3","8","4","10","10","1") = "9"
    & skf18("9","3","8","5","1","1","1") = "8"
    & skf18("9","3","8","5","1","2","1") = "8"
    & skf18("9","3","8","5","1","3","1") = "8"
    & skf18("9","3","8","5","1","4","1") = "8"
    & skf18("9","3","8","5","1","5","1") = "8"
    & skf18("9","3","8","5","1","6","1") = "8"
    & skf18("9","3","8","5","1","7","1") = "8"
    & skf18("9","3","8","5","1","8","1") = "8"
    & skf18("9","3","8","5","1","9","1") = "8"
    & skf18("9","3","8","5","1","10","1") = "9"
    & skf18("9","3","8","5","2","1","1") = "8"
    & skf18("9","3","8","5","2","2","1") = "8"
    & skf18("9","3","8","5","2","3","1") = "8"
    & skf18("9","3","8","5","2","4","1") = "8"
    & skf18("9","3","8","5","2","5","1") = "8"
    & skf18("9","3","8","5","2","6","1") = "8"
    & skf18("9","3","8","5","2","7","1") = "8"
    & skf18("9","3","8","5","2","8","1") = "8"
    & skf18("9","3","8","5","2","9","1") = "8"
    & skf18("9","3","8","5","2","10","1") = "9"
    & skf18("9","3","8","5","3","1","1") = "8"
    & skf18("9","3","8","5","3","2","1") = "8"
    & skf18("9","3","8","5","3","3","1") = "8"
    & skf18("9","3","8","5","3","4","1") = "8"
    & skf18("9","3","8","5","3","5","1") = "8"
    & skf18("9","3","8","5","3","6","1") = "8"
    & skf18("9","3","8","5","3","7","1") = "8"
    & skf18("9","3","8","5","3","8","1") = "8"
    & skf18("9","3","8","5","3","9","1") = "8"
    & skf18("9","3","8","5","3","10","1") = "9"
    & skf18("9","3","8","5","4","1","1") = "8"
    & skf18("9","3","8","5","4","2","1") = "8"
    & skf18("9","3","8","5","4","3","1") = "8"
    & skf18("9","3","8","5","4","4","1") = "8"
    & skf18("9","3","8","5","4","5","1") = "8"
    & skf18("9","3","8","5","4","6","1") = "8"
    & skf18("9","3","8","5","4","7","1") = "8"
    & skf18("9","3","8","5","4","8","1") = "8"
    & skf18("9","3","8","5","4","9","1") = "8"
    & skf18("9","3","8","5","4","10","1") = "9"
    & skf18("9","3","8","5","5","1","1") = "8"
    & skf18("9","3","8","5","5","2","1") = "8"
    & skf18("9","3","8","5","5","3","1") = "8"
    & skf18("9","3","8","5","5","4","1") = "8"
    & skf18("9","3","8","5","5","5","1") = "8"
    & skf18("9","3","8","5","5","6","1") = "8"
    & skf18("9","3","8","5","5","7","1") = "8"
    & skf18("9","3","8","5","5","8","1") = "8"
    & skf18("9","3","8","5","5","9","1") = "8"
    & skf18("9","3","8","5","5","10","1") = "9"
    & skf18("9","3","8","5","6","1","1") = "8"
    & skf18("9","3","8","5","6","2","1") = "8"
    & skf18("9","3","8","5","6","3","1") = "8"
    & skf18("9","3","8","5","6","4","1") = "8"
    & skf18("9","3","8","5","6","5","1") = "8"
    & skf18("9","3","8","5","6","6","1") = "8"
    & skf18("9","3","8","5","6","7","1") = "8"
    & skf18("9","3","8","5","6","8","1") = "8"
    & skf18("9","3","8","5","6","9","1") = "8"
    & skf18("9","3","8","5","6","10","1") = "9"
    & skf18("9","3","8","5","7","1","1") = "8"
    & skf18("9","3","8","5","7","2","1") = "8"
    & skf18("9","3","8","5","7","3","1") = "8"
    & skf18("9","3","8","5","7","4","1") = "8"
    & skf18("9","3","8","5","7","5","1") = "8"
    & skf18("9","3","8","5","7","6","1") = "8"
    & skf18("9","3","8","5","7","7","1") = "8"
    & skf18("9","3","8","5","7","8","1") = "8"
    & skf18("9","3","8","5","7","9","1") = "8"
    & skf18("9","3","8","5","7","10","1") = "9"
    & skf18("9","3","8","5","8","1","1") = "8"
    & skf18("9","3","8","5","8","2","1") = "8"
    & skf18("9","3","8","5","8","3","1") = "8"
    & skf18("9","3","8","5","8","4","1") = "8"
    & skf18("9","3","8","5","8","5","1") = "8"
    & skf18("9","3","8","5","8","6","1") = "8"
    & skf18("9","3","8","5","8","7","1") = "8"
    & skf18("9","3","8","5","8","8","1") = "8"
    & skf18("9","3","8","5","8","9","1") = "8"
    & skf18("9","3","8","5","8","10","1") = "9"
    & skf18("9","3","8","5","9","1","1") = "8"
    & skf18("9","3","8","5","9","2","1") = "8"
    & skf18("9","3","8","5","9","3","1") = "8"
    & skf18("9","3","8","5","9","4","1") = "8"
    & skf18("9","3","8","5","9","5","1") = "8"
    & skf18("9","3","8","5","9","6","1") = "8"
    & skf18("9","3","8","5","9","7","1") = "8"
    & skf18("9","3","8","5","9","8","1") = "8"
    & skf18("9","3","8","5","9","9","1") = "8"
    & skf18("9","3","8","5","9","10","1") = "9"
    & skf18("9","3","8","5","10","1","1") = "9"
    & skf18("9","3","8","5","10","2","1") = "9"
    & skf18("9","3","8","5","10","3","1") = "9"
    & skf18("9","3","8","5","10","4","1") = "9"
    & skf18("9","3","8","5","10","5","1") = "9"
    & skf18("9","3","8","5","10","6","1") = "9"
    & skf18("9","3","8","5","10","7","1") = "9"
    & skf18("9","3","8","5","10","8","1") = "9"
    & skf18("9","3","8","5","10","9","1") = "9"
    & skf18("9","3","8","5","10","10","1") = "9"
    & skf18("9","3","8","6","1","1","1") = "8"
    & skf18("9","3","8","6","1","2","1") = "8"
    & skf18("9","3","8","6","1","3","1") = "8"
    & skf18("9","3","8","6","1","4","1") = "8"
    & skf18("9","3","8","6","1","5","1") = "8"
    & skf18("9","3","8","6","1","6","1") = "8"
    & skf18("9","3","8","6","1","7","1") = "8"
    & skf18("9","3","8","6","1","8","1") = "8"
    & skf18("9","3","8","6","1","9","1") = "8"
    & skf18("9","3","8","6","1","10","1") = "9"
    & skf18("9","3","8","6","2","1","1") = "8"
    & skf18("9","3","8","6","2","2","1") = "8"
    & skf18("9","3","8","6","2","3","1") = "8"
    & skf18("9","3","8","6","2","4","1") = "8"
    & skf18("9","3","8","6","2","5","1") = "8"
    & skf18("9","3","8","6","2","6","1") = "8"
    & skf18("9","3","8","6","2","7","1") = "8"
    & skf18("9","3","8","6","2","8","1") = "8"
    & skf18("9","3","8","6","2","9","1") = "8"
    & skf18("9","3","8","6","2","10","1") = "9"
    & skf18("9","3","8","6","3","1","1") = "8"
    & skf18("9","3","8","6","3","2","1") = "8"
    & skf18("9","3","8","6","3","3","1") = "8"
    & skf18("9","3","8","6","3","4","1") = "8"
    & skf18("9","3","8","6","3","5","1") = "8"
    & skf18("9","3","8","6","3","6","1") = "8"
    & skf18("9","3","8","6","3","7","1") = "8"
    & skf18("9","3","8","6","3","8","1") = "8"
    & skf18("9","3","8","6","3","9","1") = "8"
    & skf18("9","3","8","6","3","10","1") = "9"
    & skf18("9","3","8","6","4","1","1") = "8"
    & skf18("9","3","8","6","4","2","1") = "8"
    & skf18("9","3","8","6","4","3","1") = "8"
    & skf18("9","3","8","6","4","4","1") = "8"
    & skf18("9","3","8","6","4","5","1") = "8"
    & skf18("9","3","8","6","4","6","1") = "8"
    & skf18("9","3","8","6","4","7","1") = "8"
    & skf18("9","3","8","6","4","8","1") = "8"
    & skf18("9","3","8","6","4","9","1") = "8"
    & skf18("9","3","8","6","4","10","1") = "9"
    & skf18("9","3","8","6","5","1","1") = "8"
    & skf18("9","3","8","6","5","2","1") = "8"
    & skf18("9","3","8","6","5","3","1") = "8"
    & skf18("9","3","8","6","5","4","1") = "8"
    & skf18("9","3","8","6","5","5","1") = "8"
    & skf18("9","3","8","6","5","6","1") = "8"
    & skf18("9","3","8","6","5","7","1") = "8"
    & skf18("9","3","8","6","5","8","1") = "8"
    & skf18("9","3","8","6","5","9","1") = "8"
    & skf18("9","3","8","6","5","10","1") = "9"
    & skf18("9","3","8","6","6","1","1") = "8"
    & skf18("9","3","8","6","6","2","1") = "8"
    & skf18("9","3","8","6","6","3","1") = "8"
    & skf18("9","3","8","6","6","4","1") = "8"
    & skf18("9","3","8","6","6","5","1") = "8"
    & skf18("9","3","8","6","6","6","1") = "8"
    & skf18("9","3","8","6","6","7","1") = "8"
    & skf18("9","3","8","6","6","8","1") = "8"
    & skf18("9","3","8","6","6","9","1") = "8"
    & skf18("9","3","8","6","6","10","1") = "9"
    & skf18("9","3","8","6","7","1","1") = "8"
    & skf18("9","3","8","6","7","2","1") = "8"
    & skf18("9","3","8","6","7","3","1") = "8"
    & skf18("9","3","8","6","7","4","1") = "8"
    & skf18("9","3","8","6","7","5","1") = "8"
    & skf18("9","3","8","6","7","6","1") = "8"
    & skf18("9","3","8","6","7","7","1") = "8"
    & skf18("9","3","8","6","7","8","1") = "8"
    & skf18("9","3","8","6","7","9","1") = "8"
    & skf18("9","3","8","6","7","10","1") = "9"
    & skf18("9","3","8","6","8","1","1") = "8"
    & skf18("9","3","8","6","8","2","1") = "8"
    & skf18("9","3","8","6","8","3","1") = "8"
    & skf18("9","3","8","6","8","4","1") = "8"
    & skf18("9","3","8","6","8","5","1") = "8"
    & skf18("9","3","8","6","8","6","1") = "8"
    & skf18("9","3","8","6","8","7","1") = "8"
    & skf18("9","3","8","6","8","8","1") = "8"
    & skf18("9","3","8","6","8","9","1") = "8"
    & skf18("9","3","8","6","8","10","1") = "9"
    & skf18("9","3","8","6","9","1","1") = "8"
    & skf18("9","3","8","6","9","2","1") = "8"
    & skf18("9","3","8","6","9","3","1") = "8"
    & skf18("9","3","8","6","9","4","1") = "8"
    & skf18("9","3","8","6","9","5","1") = "8"
    & skf18("9","3","8","6","9","6","1") = "8"
    & skf18("9","3","8","6","9","7","1") = "8"
    & skf18("9","3","8","6","9","8","1") = "8"
    & skf18("9","3","8","6","9","9","1") = "8"
    & skf18("9","3","8","6","9","10","1") = "9"
    & skf18("9","3","8","6","10","1","1") = "9"
    & skf18("9","3","8","6","10","2","1") = "9"
    & skf18("9","3","8","6","10","3","1") = "9"
    & skf18("9","3","8","6","10","4","1") = "9"
    & skf18("9","3","8","6","10","5","1") = "9"
    & skf18("9","3","8","6","10","6","1") = "9"
    & skf18("9","3","8","6","10","7","1") = "9"
    & skf18("9","3","8","6","10","8","1") = "9"
    & skf18("9","3","8","6","10","9","1") = "9"
    & skf18("9","3","8","6","10","10","1") = "9"
    & skf18("9","3","8","7","1","1","1") = "8"
    & skf18("9","3","8","7","1","2","1") = "8"
    & skf18("9","3","8","7","1","3","1") = "8"
    & skf18("9","3","8","7","1","4","1") = "8"
    & skf18("9","3","8","7","1","5","1") = "8"
    & skf18("9","3","8","7","1","6","1") = "8"
    & skf18("9","3","8","7","1","7","1") = "8"
    & skf18("9","3","8","7","1","8","1") = "8"
    & skf18("9","3","8","7","1","9","1") = "8"
    & skf18("9","3","8","7","1","10","1") = "9"
    & skf18("9","3","8","7","2","1","1") = "8"
    & skf18("9","3","8","7","2","2","1") = "8"
    & skf18("9","3","8","7","2","3","1") = "8"
    & skf18("9","3","8","7","2","4","1") = "8"
    & skf18("9","3","8","7","2","5","1") = "8"
    & skf18("9","3","8","7","2","6","1") = "8"
    & skf18("9","3","8","7","2","7","1") = "8"
    & skf18("9","3","8","7","2","8","1") = "8"
    & skf18("9","3","8","7","2","9","1") = "8"
    & skf18("9","3","8","7","2","10","1") = "9"
    & skf18("9","3","8","7","3","1","1") = "8"
    & skf18("9","3","8","7","3","2","1") = "8"
    & skf18("9","3","8","7","3","3","1") = "8"
    & skf18("9","3","8","7","3","4","1") = "8"
    & skf18("9","3","8","7","3","5","1") = "8"
    & skf18("9","3","8","7","3","6","1") = "8"
    & skf18("9","3","8","7","3","7","1") = "8"
    & skf18("9","3","8","7","3","8","1") = "8"
    & skf18("9","3","8","7","3","9","1") = "8"
    & skf18("9","3","8","7","3","10","1") = "9"
    & skf18("9","3","8","7","4","1","1") = "8"
    & skf18("9","3","8","7","4","2","1") = "8"
    & skf18("9","3","8","7","4","3","1") = "8"
    & skf18("9","3","8","7","4","4","1") = "8"
    & skf18("9","3","8","7","4","5","1") = "8"
    & skf18("9","3","8","7","4","6","1") = "8"
    & skf18("9","3","8","7","4","7","1") = "8"
    & skf18("9","3","8","7","4","8","1") = "8"
    & skf18("9","3","8","7","4","9","1") = "8"
    & skf18("9","3","8","7","4","10","1") = "9"
    & skf18("9","3","8","7","5","1","1") = "8"
    & skf18("9","3","8","7","5","2","1") = "8"
    & skf18("9","3","8","7","5","3","1") = "8"
    & skf18("9","3","8","7","5","4","1") = "8"
    & skf18("9","3","8","7","5","5","1") = "8"
    & skf18("9","3","8","7","5","6","1") = "8"
    & skf18("9","3","8","7","5","7","1") = "8"
    & skf18("9","3","8","7","5","8","1") = "8"
    & skf18("9","3","8","7","5","9","1") = "8"
    & skf18("9","3","8","7","5","10","1") = "9"
    & skf18("9","3","8","7","6","1","1") = "8"
    & skf18("9","3","8","7","6","2","1") = "8"
    & skf18("9","3","8","7","6","3","1") = "8"
    & skf18("9","3","8","7","6","4","1") = "8"
    & skf18("9","3","8","7","6","5","1") = "8"
    & skf18("9","3","8","7","6","6","1") = "8"
    & skf18("9","3","8","7","6","7","1") = "8"
    & skf18("9","3","8","7","6","8","1") = "8"
    & skf18("9","3","8","7","6","9","1") = "8"
    & skf18("9","3","8","7","6","10","1") = "9"
    & skf18("9","3","8","7","7","1","1") = "8"
    & skf18("9","3","8","7","7","2","1") = "8"
    & skf18("9","3","8","7","7","3","1") = "8"
    & skf18("9","3","8","7","7","4","1") = "8"
    & skf18("9","3","8","7","7","5","1") = "8"
    & skf18("9","3","8","7","7","6","1") = "8"
    & skf18("9","3","8","7","7","7","1") = "8"
    & skf18("9","3","8","7","7","8","1") = "8"
    & skf18("9","3","8","7","7","9","1") = "8"
    & skf18("9","3","8","7","7","10","1") = "9"
    & skf18("9","3","8","7","8","1","1") = "8"
    & skf18("9","3","8","7","8","2","1") = "8"
    & skf18("9","3","8","7","8","3","1") = "8"
    & skf18("9","3","8","7","8","4","1") = "8"
    & skf18("9","3","8","7","8","5","1") = "8"
    & skf18("9","3","8","7","8","6","1") = "8"
    & skf18("9","3","8","7","8","7","1") = "8"
    & skf18("9","3","8","7","8","8","1") = "8"
    & skf18("9","3","8","7","8","9","1") = "8"
    & skf18("9","3","8","7","8","10","1") = "9"
    & skf18("9","3","8","7","9","1","1") = "8"
    & skf18("9","3","8","7","9","2","1") = "8"
    & skf18("9","3","8","7","9","3","1") = "8"
    & skf18("9","3","8","7","9","4","1") = "8"
    & skf18("9","3","8","7","9","5","1") = "8"
    & skf18("9","3","8","7","9","6","1") = "8"
    & skf18("9","3","8","7","9","7","1") = "8"
    & skf18("9","3","8","7","9","8","1") = "8"
    & skf18("9","3","8","7","9","9","1") = "8"
    & skf18("9","3","8","7","9","10","1") = "9"
    & skf18("9","3","8","7","10","1","1") = "9"
    & skf18("9","3","8","7","10","2","1") = "9"
    & skf18("9","3","8","7","10","3","1") = "9"
    & skf18("9","3","8","7","10","4","1") = "9"
    & skf18("9","3","8","7","10","5","1") = "9"
    & skf18("9","3","8","7","10","6","1") = "9"
    & skf18("9","3","8","7","10","7","1") = "9"
    & skf18("9","3","8","7","10","8","1") = "9"
    & skf18("9","3","8","7","10","9","1") = "9"
    & skf18("9","3","8","7","10","10","1") = "9"
    & skf18("9","3","8","8","1","1","1") = "8"
    & skf18("9","3","8","8","1","2","1") = "8"
    & skf18("9","3","8","8","1","3","1") = "8"
    & skf18("9","3","8","8","1","4","1") = "8"
    & skf18("9","3","8","8","1","5","1") = "8"
    & skf18("9","3","8","8","1","6","1") = "8"
    & skf18("9","3","8","8","1","7","1") = "8"
    & skf18("9","3","8","8","1","8","1") = "8"
    & skf18("9","3","8","8","1","9","1") = "8"
    & skf18("9","3","8","8","1","10","1") = "9"
    & skf18("9","3","8","8","2","1","1") = "8"
    & skf18("9","3","8","8","2","2","1") = "8"
    & skf18("9","3","8","8","2","3","1") = "8"
    & skf18("9","3","8","8","2","4","1") = "8"
    & skf18("9","3","8","8","2","5","1") = "8"
    & skf18("9","3","8","8","2","6","1") = "8"
    & skf18("9","3","8","8","2","7","1") = "8"
    & skf18("9","3","8","8","2","8","1") = "8"
    & skf18("9","3","8","8","2","9","1") = "8"
    & skf18("9","3","8","8","2","10","1") = "9"
    & skf18("9","3","8","8","3","1","1") = "8"
    & skf18("9","3","8","8","3","2","1") = "8"
    & skf18("9","3","8","8","3","3","1") = "8"
    & skf18("9","3","8","8","3","4","1") = "8"
    & skf18("9","3","8","8","3","5","1") = "8"
    & skf18("9","3","8","8","3","6","1") = "8"
    & skf18("9","3","8","8","3","7","1") = "8"
    & skf18("9","3","8","8","3","8","1") = "8"
    & skf18("9","3","8","8","3","9","1") = "8"
    & skf18("9","3","8","8","3","10","1") = "9"
    & skf18("9","3","8","8","4","1","1") = "8"
    & skf18("9","3","8","8","4","2","1") = "8"
    & skf18("9","3","8","8","4","3","1") = "8"
    & skf18("9","3","8","8","4","4","1") = "8"
    & skf18("9","3","8","8","4","5","1") = "8"
    & skf18("9","3","8","8","4","6","1") = "8"
    & skf18("9","3","8","8","4","7","1") = "8"
    & skf18("9","3","8","8","4","8","1") = "8"
    & skf18("9","3","8","8","4","9","1") = "8"
    & skf18("9","3","8","8","4","10","1") = "9"
    & skf18("9","3","8","8","5","1","1") = "8"
    & skf18("9","3","8","8","5","2","1") = "8"
    & skf18("9","3","8","8","5","3","1") = "8"
    & skf18("9","3","8","8","5","4","1") = "8"
    & skf18("9","3","8","8","5","5","1") = "8"
    & skf18("9","3","8","8","5","6","1") = "8"
    & skf18("9","3","8","8","5","7","1") = "8"
    & skf18("9","3","8","8","5","8","1") = "8"
    & skf18("9","3","8","8","5","9","1") = "8"
    & skf18("9","3","8","8","5","10","1") = "9"
    & skf18("9","3","8","8","6","1","1") = "8"
    & skf18("9","3","8","8","6","2","1") = "8"
    & skf18("9","3","8","8","6","3","1") = "8"
    & skf18("9","3","8","8","6","4","1") = "8"
    & skf18("9","3","8","8","6","5","1") = "8"
    & skf18("9","3","8","8","6","6","1") = "8"
    & skf18("9","3","8","8","6","7","1") = "8"
    & skf18("9","3","8","8","6","8","1") = "8"
    & skf18("9","3","8","8","6","9","1") = "8"
    & skf18("9","3","8","8","6","10","1") = "9"
    & skf18("9","3","8","8","7","1","1") = "8"
    & skf18("9","3","8","8","7","2","1") = "8"
    & skf18("9","3","8","8","7","3","1") = "8"
    & skf18("9","3","8","8","7","4","1") = "8"
    & skf18("9","3","8","8","7","5","1") = "8"
    & skf18("9","3","8","8","7","6","1") = "8"
    & skf18("9","3","8","8","7","7","1") = "8"
    & skf18("9","3","8","8","7","8","1") = "8"
    & skf18("9","3","8","8","7","9","1") = "8"
    & skf18("9","3","8","8","7","10","1") = "9"
    & skf18("9","3","8","8","8","1","1") = "8"
    & skf18("9","3","8","8","8","2","1") = "8"
    & skf18("9","3","8","8","8","3","1") = "8"
    & skf18("9","3","8","8","8","4","1") = "8"
    & skf18("9","3","8","8","8","5","1") = "8"
    & skf18("9","3","8","8","8","6","1") = "8"
    & skf18("9","3","8","8","8","7","1") = "8"
    & skf18("9","3","8","8","8","8","1") = "8"
    & skf18("9","3","8","8","8","9","1") = "8"
    & skf18("9","3","8","8","8","10","1") = "9"
    & skf18("9","3","8","8","9","1","1") = "8"
    & skf18("9","3","8","8","9","2","1") = "8"
    & skf18("9","3","8","8","9","3","1") = "8"
    & skf18("9","3","8","8","9","4","1") = "8"
    & skf18("9","3","8","8","9","5","1") = "8"
    & skf18("9","3","8","8","9","6","1") = "8"
    & skf18("9","3","8","8","9","7","1") = "8"
    & skf18("9","3","8","8","9","8","1") = "8"
    & skf18("9","3","8","8","9","9","1") = "8"
    & skf18("9","3","8","8","9","10","1") = "9"
    & skf18("9","3","8","8","10","1","1") = "9"
    & skf18("9","3","8","8","10","2","1") = "9"
    & skf18("9","3","8","8","10","3","1") = "9"
    & skf18("9","3","8","8","10","4","1") = "9"
    & skf18("9","3","8","8","10","5","1") = "9"
    & skf18("9","3","8","8","10","6","1") = "9"
    & skf18("9","3","8","8","10","7","1") = "9"
    & skf18("9","3","8","8","10","8","1") = "9"
    & skf18("9","3","8","8","10","9","1") = "9"
    & skf18("9","3","8","8","10","10","1") = "9"
    & skf18("9","3","8","9","1","1","1") = "8"
    & skf18("9","3","8","9","1","2","1") = "8"
    & skf18("9","3","8","9","1","3","1") = "8"
    & skf18("9","3","8","9","1","4","1") = "8"
    & skf18("9","3","8","9","1","5","1") = "8"
    & skf18("9","3","8","9","1","6","1") = "8"
    & skf18("9","3","8","9","1","7","1") = "8"
    & skf18("9","3","8","9","1","8","1") = "8"
    & skf18("9","3","8","9","1","9","1") = "8"
    & skf18("9","3","8","9","1","10","1") = "9"
    & skf18("9","3","8","9","2","1","1") = "8"
    & skf18("9","3","8","9","2","2","1") = "8"
    & skf18("9","3","8","9","2","3","1") = "8"
    & skf18("9","3","8","9","2","4","1") = "8"
    & skf18("9","3","8","9","2","5","1") = "8"
    & skf18("9","3","8","9","2","6","1") = "8"
    & skf18("9","3","8","9","2","7","1") = "8"
    & skf18("9","3","8","9","2","8","1") = "8"
    & skf18("9","3","8","9","2","9","1") = "8"
    & skf18("9","3","8","9","2","10","1") = "9"
    & skf18("9","3","8","9","3","1","1") = "8"
    & skf18("9","3","8","9","3","2","1") = "8"
    & skf18("9","3","8","9","3","3","1") = "8"
    & skf18("9","3","8","9","3","4","1") = "8"
    & skf18("9","3","8","9","3","5","1") = "8"
    & skf18("9","3","8","9","3","6","1") = "8"
    & skf18("9","3","8","9","3","7","1") = "8"
    & skf18("9","3","8","9","3","8","1") = "8"
    & skf18("9","3","8","9","3","9","1") = "8"
    & skf18("9","3","8","9","3","10","1") = "9"
    & skf18("9","3","8","9","4","1","1") = "8"
    & skf18("9","3","8","9","4","2","1") = "8"
    & skf18("9","3","8","9","4","3","1") = "8"
    & skf18("9","3","8","9","4","4","1") = "8"
    & skf18("9","3","8","9","4","5","1") = "8"
    & skf18("9","3","8","9","4","6","1") = "8"
    & skf18("9","3","8","9","4","7","1") = "8"
    & skf18("9","3","8","9","4","8","1") = "8"
    & skf18("9","3","8","9","4","9","1") = "8"
    & skf18("9","3","8","9","4","10","1") = "9"
    & skf18("9","3","8","9","5","1","1") = "8"
    & skf18("9","3","8","9","5","2","1") = "8"
    & skf18("9","3","8","9","5","3","1") = "8"
    & skf18("9","3","8","9","5","4","1") = "8"
    & skf18("9","3","8","9","5","5","1") = "8"
    & skf18("9","3","8","9","5","6","1") = "8"
    & skf18("9","3","8","9","5","7","1") = "8"
    & skf18("9","3","8","9","5","8","1") = "8"
    & skf18("9","3","8","9","5","9","1") = "8"
    & skf18("9","3","8","9","5","10","1") = "9"
    & skf18("9","3","8","9","6","1","1") = "8"
    & skf18("9","3","8","9","6","2","1") = "8"
    & skf18("9","3","8","9","6","3","1") = "8"
    & skf18("9","3","8","9","6","4","1") = "8"
    & skf18("9","3","8","9","6","5","1") = "8"
    & skf18("9","3","8","9","6","6","1") = "8"
    & skf18("9","3","8","9","6","7","1") = "8"
    & skf18("9","3","8","9","6","8","1") = "8"
    & skf18("9","3","8","9","6","9","1") = "8"
    & skf18("9","3","8","9","6","10","1") = "9"
    & skf18("9","3","8","9","7","1","1") = "8"
    & skf18("9","3","8","9","7","2","1") = "8"
    & skf18("9","3","8","9","7","3","1") = "8"
    & skf18("9","3","8","9","7","4","1") = "8"
    & skf18("9","3","8","9","7","5","1") = "8"
    & skf18("9","3","8","9","7","6","1") = "8"
    & skf18("9","3","8","9","7","7","1") = "8"
    & skf18("9","3","8","9","7","8","1") = "8"
    & skf18("9","3","8","9","7","9","1") = "8"
    & skf18("9","3","8","9","7","10","1") = "9"
    & skf18("9","3","8","9","8","1","1") = "8"
    & skf18("9","3","8","9","8","2","1") = "8"
    & skf18("9","3","8","9","8","3","1") = "8"
    & skf18("9","3","8","9","8","4","1") = "8"
    & skf18("9","3","8","9","8","5","1") = "8"
    & skf18("9","3","8","9","8","6","1") = "8"
    & skf18("9","3","8","9","8","7","1") = "8"
    & skf18("9","3","8","9","8","8","1") = "8"
    & skf18("9","3","8","9","8","9","1") = "8"
    & skf18("9","3","8","9","8","10","1") = "9"
    & skf18("9","3","8","9","9","1","1") = "8"
    & skf18("9","3","8","9","9","2","1") = "8"
    & skf18("9","3","8","9","9","3","1") = "8"
    & skf18("9","3","8","9","9","4","1") = "8"
    & skf18("9","3","8","9","9","5","1") = "8"
    & skf18("9","3","8","9","9","6","1") = "8"
    & skf18("9","3","8","9","9","7","1") = "8"
    & skf18("9","3","8","9","9","8","1") = "8"
    & skf18("9","3","8","9","9","9","1") = "8"
    & skf18("9","3","8","9","9","10","1") = "9"
    & skf18("9","3","8","9","10","1","1") = "9"
    & skf18("9","3","8","9","10","2","1") = "9"
    & skf18("9","3","8","9","10","3","1") = "9"
    & skf18("9","3","8","9","10","4","1") = "9"
    & skf18("9","3","8","9","10","5","1") = "9"
    & skf18("9","3","8","9","10","6","1") = "9"
    & skf18("9","3","8","9","10","7","1") = "9"
    & skf18("9","3","8","9","10","8","1") = "9"
    & skf18("9","3","8","9","10","9","1") = "9"
    & skf18("9","3","8","9","10","10","1") = "9"
    & skf18("9","3","8","10","1","1","1") = "9"
    & skf18("9","3","8","10","1","2","1") = "9"
    & skf18("9","3","8","10","1","3","1") = "9"
    & skf18("9","3","8","10","1","4","1") = "9"
    & skf18("9","3","8","10","1","5","1") = "9"
    & skf18("9","3","8","10","1","6","1") = "9"
    & skf18("9","3","8","10","1","7","1") = "9"
    & skf18("9","3","8","10","1","8","1") = "9"
    & skf18("9","3","8","10","1","9","1") = "9"
    & skf18("9","3","8","10","1","10","1") = "9"
    & skf18("9","3","8","10","2","1","1") = "9"
    & skf18("9","3","8","10","2","2","1") = "9"
    & skf18("9","3","8","10","2","3","1") = "9"
    & skf18("9","3","8","10","2","4","1") = "9"
    & skf18("9","3","8","10","2","5","1") = "9"
    & skf18("9","3","8","10","2","6","1") = "9"
    & skf18("9","3","8","10","2","7","1") = "9"
    & skf18("9","3","8","10","2","8","1") = "9"
    & skf18("9","3","8","10","2","9","1") = "9"
    & skf18("9","3","8","10","2","10","1") = "9"
    & skf18("9","3","8","10","3","1","1") = "9"
    & skf18("9","3","8","10","3","2","1") = "9"
    & skf18("9","3","8","10","3","3","1") = "9"
    & skf18("9","3","8","10","3","4","1") = "9"
    & skf18("9","3","8","10","3","5","1") = "9"
    & skf18("9","3","8","10","3","6","1") = "9"
    & skf18("9","3","8","10","3","7","1") = "9"
    & skf18("9","3","8","10","3","8","1") = "9"
    & skf18("9","3","8","10","3","9","1") = "9"
    & skf18("9","3","8","10","3","10","1") = "9"
    & skf18("9","3","8","10","4","1","1") = "9"
    & skf18("9","3","8","10","4","2","1") = "9"
    & skf18("9","3","8","10","4","3","1") = "9"
    & skf18("9","3","8","10","4","4","1") = "9"
    & skf18("9","3","8","10","4","5","1") = "9"
    & skf18("9","3","8","10","4","6","1") = "9"
    & skf18("9","3","8","10","4","7","1") = "9"
    & skf18("9","3","8","10","4","8","1") = "9"
    & skf18("9","3","8","10","4","9","1") = "9"
    & skf18("9","3","8","10","4","10","1") = "9"
    & skf18("9","3","8","10","5","1","1") = "9"
    & skf18("9","3","8","10","5","2","1") = "9"
    & skf18("9","3","8","10","5","3","1") = "9"
    & skf18("9","3","8","10","5","4","1") = "9"
    & skf18("9","3","8","10","5","5","1") = "9"
    & skf18("9","3","8","10","5","6","1") = "9"
    & skf18("9","3","8","10","5","7","1") = "9"
    & skf18("9","3","8","10","5","8","1") = "9"
    & skf18("9","3","8","10","5","9","1") = "9"
    & skf18("9","3","8","10","5","10","1") = "9"
    & skf18("9","3","8","10","6","1","1") = "9"
    & skf18("9","3","8","10","6","2","1") = "9"
    & skf18("9","3","8","10","6","3","1") = "9"
    & skf18("9","3","8","10","6","4","1") = "9"
    & skf18("9","3","8","10","6","5","1") = "9"
    & skf18("9","3","8","10","6","6","1") = "9"
    & skf18("9","3","8","10","6","7","1") = "9"
    & skf18("9","3","8","10","6","8","1") = "9"
    & skf18("9","3","8","10","6","9","1") = "9"
    & skf18("9","3","8","10","6","10","1") = "9"
    & skf18("9","3","8","10","7","1","1") = "9"
    & skf18("9","3","8","10","7","2","1") = "9"
    & skf18("9","3","8","10","7","3","1") = "9"
    & skf18("9","3","8","10","7","4","1") = "9"
    & skf18("9","3","8","10","7","5","1") = "9"
    & skf18("9","3","8","10","7","6","1") = "9"
    & skf18("9","3","8","10","7","7","1") = "9"
    & skf18("9","3","8","10","7","8","1") = "9"
    & skf18("9","3","8","10","7","9","1") = "9"
    & skf18("9","3","8","10","7","10","1") = "9"
    & skf18("9","3","8","10","8","1","1") = "9"
    & skf18("9","3","8","10","8","2","1") = "9"
    & skf18("9","3","8","10","8","3","1") = "9"
    & skf18("9","3","8","10","8","4","1") = "9"
    & skf18("9","3","8","10","8","5","1") = "9"
    & skf18("9","3","8","10","8","6","1") = "9"
    & skf18("9","3","8","10","8","7","1") = "9"
    & skf18("9","3","8","10","8","8","1") = "9"
    & skf18("9","3","8","10","8","9","1") = "9"
    & skf18("9","3","8","10","8","10","1") = "9"
    & skf18("9","3","8","10","9","1","1") = "9"
    & skf18("9","3","8","10","9","2","1") = "9"
    & skf18("9","3","8","10","9","3","1") = "9"
    & skf18("9","3","8","10","9","4","1") = "9"
    & skf18("9","3","8","10","9","5","1") = "9"
    & skf18("9","3","8","10","9","6","1") = "9"
    & skf18("9","3","8","10","9","7","1") = "9"
    & skf18("9","3","8","10","9","8","1") = "9"
    & skf18("9","3","8","10","9","9","1") = "9"
    & skf18("9","3","8","10","9","10","1") = "9"
    & skf18("9","3","8","10","10","1","1") = "9"
    & skf18("9","3","8","10","10","2","1") = "9"
    & skf18("9","3","8","10","10","3","1") = "9"
    & skf18("9","3","8","10","10","4","1") = "9"
    & skf18("9","3","8","10","10","5","1") = "9"
    & skf18("9","3","8","10","10","6","1") = "9"
    & skf18("9","3","8","10","10","7","1") = "9"
    & skf18("9","3","8","10","10","8","1") = "9"
    & skf18("9","3","8","10","10","9","1") = "9"
    & skf18("9","3","8","10","10","10","1") = "9"
    & skf18("9","3","9","1","1","1","1") = "8"
    & skf18("9","3","9","1","1","2","1") = "8"
    & skf18("9","3","9","1","1","3","1") = "8"
    & skf18("9","3","9","1","1","4","1") = "8"
    & skf18("9","3","9","1","1","5","1") = "8"
    & skf18("9","3","9","1","1","6","1") = "8"
    & skf18("9","3","9","1","1","7","1") = "8"
    & skf18("9","3","9","1","1","8","1") = "8"
    & skf18("9","3","9","1","1","9","1") = "8"
    & skf18("9","3","9","1","1","10","1") = "9"
    & skf18("9","3","9","1","2","1","1") = "8"
    & skf18("9","3","9","1","2","2","1") = "8"
    & skf18("9","3","9","1","2","3","1") = "8"
    & skf18("9","3","9","1","2","4","1") = "8"
    & skf18("9","3","9","1","2","5","1") = "8"
    & skf18("9","3","9","1","2","6","1") = "8"
    & skf18("9","3","9","1","2","7","1") = "8"
    & skf18("9","3","9","1","2","8","1") = "8"
    & skf18("9","3","9","1","2","9","1") = "8"
    & skf18("9","3","9","1","2","10","1") = "9"
    & skf18("9","3","9","1","3","1","1") = "8"
    & skf18("9","3","9","1","3","2","1") = "8"
    & skf18("9","3","9","1","3","3","1") = "8"
    & skf18("9","3","9","1","3","4","1") = "8"
    & skf18("9","3","9","1","3","5","1") = "8"
    & skf18("9","3","9","1","3","6","1") = "8"
    & skf18("9","3","9","1","3","7","1") = "8"
    & skf18("9","3","9","1","3","8","1") = "8"
    & skf18("9","3","9","1","3","9","1") = "8"
    & skf18("9","3","9","1","3","10","1") = "9"
    & skf18("9","3","9","1","4","1","1") = "8"
    & skf18("9","3","9","1","4","2","1") = "8"
    & skf18("9","3","9","1","4","3","1") = "8"
    & skf18("9","3","9","1","4","4","1") = "8"
    & skf18("9","3","9","1","4","5","1") = "8"
    & skf18("9","3","9","1","4","6","1") = "8"
    & skf18("9","3","9","1","4","7","1") = "8"
    & skf18("9","3","9","1","4","8","1") = "8"
    & skf18("9","3","9","1","4","9","1") = "8"
    & skf18("9","3","9","1","4","10","1") = "9"
    & skf18("9","3","9","1","5","1","1") = "8"
    & skf18("9","3","9","1","5","2","1") = "8"
    & skf18("9","3","9","1","5","3","1") = "8"
    & skf18("9","3","9","1","5","4","1") = "8"
    & skf18("9","3","9","1","5","5","1") = "8"
    & skf18("9","3","9","1","5","6","1") = "8"
    & skf18("9","3","9","1","5","7","1") = "8"
    & skf18("9","3","9","1","5","8","1") = "8"
    & skf18("9","3","9","1","5","9","1") = "8"
    & skf18("9","3","9","1","5","10","1") = "9"
    & skf18("9","3","9","1","6","1","1") = "8"
    & skf18("9","3","9","1","6","2","1") = "8"
    & skf18("9","3","9","1","6","3","1") = "8"
    & skf18("9","3","9","1","6","4","1") = "8"
    & skf18("9","3","9","1","6","5","1") = "8"
    & skf18("9","3","9","1","6","6","1") = "8"
    & skf18("9","3","9","1","6","7","1") = "8"
    & skf18("9","3","9","1","6","8","1") = "8"
    & skf18("9","3","9","1","6","9","1") = "8"
    & skf18("9","3","9","1","6","10","1") = "9"
    & skf18("9","3","9","1","7","1","1") = "8"
    & skf18("9","3","9","1","7","2","1") = "8"
    & skf18("9","3","9","1","7","3","1") = "8"
    & skf18("9","3","9","1","7","4","1") = "8"
    & skf18("9","3","9","1","7","5","1") = "8"
    & skf18("9","3","9","1","7","6","1") = "8"
    & skf18("9","3","9","1","7","7","1") = "8"
    & skf18("9","3","9","1","7","8","1") = "8"
    & skf18("9","3","9","1","7","9","1") = "8"
    & skf18("9","3","9","1","7","10","1") = "9"
    & skf18("9","3","9","1","8","1","1") = "8"
    & skf18("9","3","9","1","8","2","1") = "8"
    & skf18("9","3","9","1","8","3","1") = "8"
    & skf18("9","3","9","1","8","4","1") = "8"
    & skf18("9","3","9","1","8","5","1") = "8"
    & skf18("9","3","9","1","8","6","1") = "8"
    & skf18("9","3","9","1","8","7","1") = "8"
    & skf18("9","3","9","1","8","8","1") = "8"
    & skf18("9","3","9","1","8","9","1") = "8"
    & skf18("9","3","9","1","8","10","1") = "9"
    & skf18("9","3","9","1","9","1","1") = "8"
    & skf18("9","3","9","1","9","2","1") = "8"
    & skf18("9","3","9","1","9","3","1") = "8"
    & skf18("9","3","9","1","9","4","1") = "8"
    & skf18("9","3","9","1","9","5","1") = "8"
    & skf18("9","3","9","1","9","6","1") = "8"
    & skf18("9","3","9","1","9","7","1") = "8"
    & skf18("9","3","9","1","9","8","1") = "8"
    & skf18("9","3","9","1","9","9","1") = "8"
    & skf18("9","3","9","1","9","10","1") = "9"
    & skf18("9","3","9","1","10","1","1") = "9"
    & skf18("9","3","9","1","10","2","1") = "9"
    & skf18("9","3","9","1","10","3","1") = "9"
    & skf18("9","3","9","1","10","4","1") = "9"
    & skf18("9","3","9","1","10","5","1") = "9"
    & skf18("9","3","9","1","10","6","1") = "9"
    & skf18("9","3","9","1","10","7","1") = "9"
    & skf18("9","3","9","1","10","8","1") = "9"
    & skf18("9","3","9","1","10","9","1") = "9"
    & skf18("9","3","9","1","10","10","1") = "9"
    & skf18("9","3","9","2","1","1","1") = "8"
    & skf18("9","3","9","2","1","2","1") = "8"
    & skf18("9","3","9","2","1","3","1") = "8"
    & skf18("9","3","9","2","1","4","1") = "8"
    & skf18("9","3","9","2","1","5","1") = "8"
    & skf18("9","3","9","2","1","6","1") = "8"
    & skf18("9","3","9","2","1","7","1") = "8"
    & skf18("9","3","9","2","1","8","1") = "8"
    & skf18("9","3","9","2","1","9","1") = "8"
    & skf18("9","3","9","2","1","10","1") = "9"
    & skf18("9","3","9","2","2","1","1") = "8"
    & skf18("9","3","9","2","2","2","1") = "8"
    & skf18("9","3","9","2","2","3","1") = "8"
    & skf18("9","3","9","2","2","4","1") = "8"
    & skf18("9","3","9","2","2","5","1") = "8"
    & skf18("9","3","9","2","2","6","1") = "8"
    & skf18("9","3","9","2","2","7","1") = "8"
    & skf18("9","3","9","2","2","8","1") = "8"
    & skf18("9","3","9","2","2","9","1") = "8"
    & skf18("9","3","9","2","2","10","1") = "9"
    & skf18("9","3","9","2","3","1","1") = "8"
    & skf18("9","3","9","2","3","2","1") = "8"
    & skf18("9","3","9","2","3","3","1") = "8"
    & skf18("9","3","9","2","3","4","1") = "8"
    & skf18("9","3","9","2","3","5","1") = "8"
    & skf18("9","3","9","2","3","6","1") = "8"
    & skf18("9","3","9","2","3","7","1") = "8"
    & skf18("9","3","9","2","3","8","1") = "8"
    & skf18("9","3","9","2","3","9","1") = "8"
    & skf18("9","3","9","2","3","10","1") = "9"
    & skf18("9","3","9","2","4","1","1") = "8"
    & skf18("9","3","9","2","4","2","1") = "8"
    & skf18("9","3","9","2","4","3","1") = "8"
    & skf18("9","3","9","2","4","4","1") = "8"
    & skf18("9","3","9","2","4","5","1") = "8"
    & skf18("9","3","9","2","4","6","1") = "8"
    & skf18("9","3","9","2","4","7","1") = "8"
    & skf18("9","3","9","2","4","8","1") = "8"
    & skf18("9","3","9","2","4","9","1") = "8"
    & skf18("9","3","9","2","4","10","1") = "9"
    & skf18("9","3","9","2","5","1","1") = "8"
    & skf18("9","3","9","2","5","2","1") = "8"
    & skf18("9","3","9","2","5","3","1") = "8"
    & skf18("9","3","9","2","5","4","1") = "8"
    & skf18("9","3","9","2","5","5","1") = "8"
    & skf18("9","3","9","2","5","6","1") = "8"
    & skf18("9","3","9","2","5","7","1") = "8"
    & skf18("9","3","9","2","5","8","1") = "8"
    & skf18("9","3","9","2","5","9","1") = "8"
    & skf18("9","3","9","2","5","10","1") = "9"
    & skf18("9","3","9","2","6","1","1") = "8"
    & skf18("9","3","9","2","6","2","1") = "8"
    & skf18("9","3","9","2","6","3","1") = "8"
    & skf18("9","3","9","2","6","4","1") = "8"
    & skf18("9","3","9","2","6","5","1") = "8"
    & skf18("9","3","9","2","6","6","1") = "8"
    & skf18("9","3","9","2","6","7","1") = "8"
    & skf18("9","3","9","2","6","8","1") = "8"
    & skf18("9","3","9","2","6","9","1") = "8"
    & skf18("9","3","9","2","6","10","1") = "9"
    & skf18("9","3","9","2","7","1","1") = "8"
    & skf18("9","3","9","2","7","2","1") = "8"
    & skf18("9","3","9","2","7","3","1") = "8"
    & skf18("9","3","9","2","7","4","1") = "8"
    & skf18("9","3","9","2","7","5","1") = "8"
    & skf18("9","3","9","2","7","6","1") = "8"
    & skf18("9","3","9","2","7","7","1") = "8"
    & skf18("9","3","9","2","7","8","1") = "8"
    & skf18("9","3","9","2","7","9","1") = "8"
    & skf18("9","3","9","2","7","10","1") = "9"
    & skf18("9","3","9","2","8","1","1") = "8"
    & skf18("9","3","9","2","8","2","1") = "8"
    & skf18("9","3","9","2","8","3","1") = "8"
    & skf18("9","3","9","2","8","4","1") = "8"
    & skf18("9","3","9","2","8","5","1") = "8"
    & skf18("9","3","9","2","8","6","1") = "8"
    & skf18("9","3","9","2","8","7","1") = "8"
    & skf18("9","3","9","2","8","8","1") = "8"
    & skf18("9","3","9","2","8","9","1") = "8"
    & skf18("9","3","9","2","8","10","1") = "9"
    & skf18("9","3","9","2","9","1","1") = "8"
    & skf18("9","3","9","2","9","2","1") = "8"
    & skf18("9","3","9","2","9","3","1") = "8"
    & skf18("9","3","9","2","9","4","1") = "8"
    & skf18("9","3","9","2","9","5","1") = "8"
    & skf18("9","3","9","2","9","6","1") = "8"
    & skf18("9","3","9","2","9","7","1") = "8"
    & skf18("9","3","9","2","9","8","1") = "8"
    & skf18("9","3","9","2","9","9","1") = "8"
    & skf18("9","3","9","2","9","10","1") = "9"
    & skf18("9","3","9","2","10","1","1") = "9"
    & skf18("9","3","9","2","10","2","1") = "9"
    & skf18("9","3","9","2","10","3","1") = "9"
    & skf18("9","3","9","2","10","4","1") = "9"
    & skf18("9","3","9","2","10","5","1") = "9"
    & skf18("9","3","9","2","10","6","1") = "9"
    & skf18("9","3","9","2","10","7","1") = "9"
    & skf18("9","3","9","2","10","8","1") = "9"
    & skf18("9","3","9","2","10","9","1") = "9"
    & skf18("9","3","9","2","10","10","1") = "9"
    & skf18("9","3","9","3","1","1","1") = "8"
    & skf18("9","3","9","3","1","2","1") = "8"
    & skf18("9","3","9","3","1","3","1") = "8"
    & skf18("9","3","9","3","1","4","1") = "8"
    & skf18("9","3","9","3","1","5","1") = "8"
    & skf18("9","3","9","3","1","6","1") = "8"
    & skf18("9","3","9","3","1","7","1") = "8"
    & skf18("9","3","9","3","1","8","1") = "8"
    & skf18("9","3","9","3","1","9","1") = "8"
    & skf18("9","3","9","3","1","10","1") = "9"
    & skf18("9","3","9","3","2","1","1") = "8"
    & skf18("9","3","9","3","2","2","1") = "8"
    & skf18("9","3","9","3","2","3","1") = "8"
    & skf18("9","3","9","3","2","4","1") = "8"
    & skf18("9","3","9","3","2","5","1") = "8"
    & skf18("9","3","9","3","2","6","1") = "8"
    & skf18("9","3","9","3","2","7","1") = "8"
    & skf18("9","3","9","3","2","8","1") = "8"
    & skf18("9","3","9","3","2","9","1") = "8"
    & skf18("9","3","9","3","2","10","1") = "9"
    & skf18("9","3","9","3","3","1","1") = "8"
    & skf18("9","3","9","3","3","2","1") = "8"
    & skf18("9","3","9","3","3","3","1") = "8"
    & skf18("9","3","9","3","3","4","1") = "8"
    & skf18("9","3","9","3","3","5","1") = "8"
    & skf18("9","3","9","3","3","6","1") = "8"
    & skf18("9","3","9","3","3","7","1") = "8"
    & skf18("9","3","9","3","3","8","1") = "8"
    & skf18("9","3","9","3","3","9","1") = "8"
    & skf18("9","3","9","3","3","10","1") = "9"
    & skf18("9","3","9","3","4","1","1") = "8"
    & skf18("9","3","9","3","4","2","1") = "8"
    & skf18("9","3","9","3","4","3","1") = "8"
    & skf18("9","3","9","3","4","4","1") = "8"
    & skf18("9","3","9","3","4","5","1") = "8"
    & skf18("9","3","9","3","4","6","1") = "8"
    & skf18("9","3","9","3","4","7","1") = "8"
    & skf18("9","3","9","3","4","8","1") = "8"
    & skf18("9","3","9","3","4","9","1") = "8"
    & skf18("9","3","9","3","4","10","1") = "9"
    & skf18("9","3","9","3","5","1","1") = "8"
    & skf18("9","3","9","3","5","2","1") = "8"
    & skf18("9","3","9","3","5","3","1") = "8"
    & skf18("9","3","9","3","5","4","1") = "8"
    & skf18("9","3","9","3","5","5","1") = "8"
    & skf18("9","3","9","3","5","6","1") = "8"
    & skf18("9","3","9","3","5","7","1") = "8"
    & skf18("9","3","9","3","5","8","1") = "8"
    & skf18("9","3","9","3","5","9","1") = "8"
    & skf18("9","3","9","3","5","10","1") = "9"
    & skf18("9","3","9","3","6","1","1") = "8"
    & skf18("9","3","9","3","6","2","1") = "8"
    & skf18("9","3","9","3","6","3","1") = "8"
    & skf18("9","3","9","3","6","4","1") = "8"
    & skf18("9","3","9","3","6","5","1") = "8"
    & skf18("9","3","9","3","6","6","1") = "8"
    & skf18("9","3","9","3","6","7","1") = "8"
    & skf18("9","3","9","3","6","8","1") = "8"
    & skf18("9","3","9","3","6","9","1") = "8"
    & skf18("9","3","9","3","6","10","1") = "9"
    & skf18("9","3","9","3","7","1","1") = "8"
    & skf18("9","3","9","3","7","2","1") = "8"
    & skf18("9","3","9","3","7","3","1") = "8"
    & skf18("9","3","9","3","7","4","1") = "8"
    & skf18("9","3","9","3","7","5","1") = "8"
    & skf18("9","3","9","3","7","6","1") = "8"
    & skf18("9","3","9","3","7","7","1") = "8"
    & skf18("9","3","9","3","7","8","1") = "8"
    & skf18("9","3","9","3","7","9","1") = "8"
    & skf18("9","3","9","3","7","10","1") = "9"
    & skf18("9","3","9","3","8","1","1") = "8"
    & skf18("9","3","9","3","8","2","1") = "8"
    & skf18("9","3","9","3","8","3","1") = "8"
    & skf18("9","3","9","3","8","4","1") = "8"
    & skf18("9","3","9","3","8","5","1") = "8"
    & skf18("9","3","9","3","8","6","1") = "8"
    & skf18("9","3","9","3","8","7","1") = "8"
    & skf18("9","3","9","3","8","8","1") = "8"
    & skf18("9","3","9","3","8","9","1") = "8"
    & skf18("9","3","9","3","8","10","1") = "9"
    & skf18("9","3","9","3","9","1","1") = "8"
    & skf18("9","3","9","3","9","2","1") = "8"
    & skf18("9","3","9","3","9","3","1") = "8"
    & skf18("9","3","9","3","9","4","1") = "8"
    & skf18("9","3","9","3","9","5","1") = "8"
    & skf18("9","3","9","3","9","6","1") = "8"
    & skf18("9","3","9","3","9","7","1") = "8"
    & skf18("9","3","9","3","9","8","1") = "8"
    & skf18("9","3","9","3","9","9","1") = "8"
    & skf18("9","3","9","3","9","10","1") = "9"
    & skf18("9","3","9","3","10","1","1") = "9"
    & skf18("9","3","9","3","10","2","1") = "9"
    & skf18("9","3","9","3","10","3","1") = "9"
    & skf18("9","3","9","3","10","4","1") = "9"
    & skf18("9","3","9","3","10","5","1") = "9"
    & skf18("9","3","9","3","10","6","1") = "9"
    & skf18("9","3","9","3","10","7","1") = "9"
    & skf18("9","3","9","3","10","8","1") = "9"
    & skf18("9","3","9","3","10","9","1") = "9"
    & skf18("9","3","9","3","10","10","1") = "9"
    & skf18("9","3","9","4","1","1","1") = "8"
    & skf18("9","3","9","4","1","2","1") = "8"
    & skf18("9","3","9","4","1","3","1") = "8"
    & skf18("9","3","9","4","1","4","1") = "8"
    & skf18("9","3","9","4","1","5","1") = "8"
    & skf18("9","3","9","4","1","6","1") = "8"
    & skf18("9","3","9","4","1","7","1") = "8"
    & skf18("9","3","9","4","1","8","1") = "8"
    & skf18("9","3","9","4","1","9","1") = "8"
    & skf18("9","3","9","4","1","10","1") = "9"
    & skf18("9","3","9","4","2","1","1") = "8"
    & skf18("9","3","9","4","2","2","1") = "8"
    & skf18("9","3","9","4","2","3","1") = "8"
    & skf18("9","3","9","4","2","4","1") = "8"
    & skf18("9","3","9","4","2","5","1") = "8"
    & skf18("9","3","9","4","2","6","1") = "8"
    & skf18("9","3","9","4","2","7","1") = "8"
    & skf18("9","3","9","4","2","8","1") = "8"
    & skf18("9","3","9","4","2","9","1") = "8"
    & skf18("9","3","9","4","2","10","1") = "9"
    & skf18("9","3","9","4","3","1","1") = "8"
    & skf18("9","3","9","4","3","2","1") = "8"
    & skf18("9","3","9","4","3","3","1") = "8"
    & skf18("9","3","9","4","3","4","1") = "8"
    & skf18("9","3","9","4","3","5","1") = "8"
    & skf18("9","3","9","4","3","6","1") = "8"
    & skf18("9","3","9","4","3","7","1") = "8"
    & skf18("9","3","9","4","3","8","1") = "8"
    & skf18("9","3","9","4","3","9","1") = "8"
    & skf18("9","3","9","4","3","10","1") = "9"
    & skf18("9","3","9","4","4","1","1") = "8"
    & skf18("9","3","9","4","4","2","1") = "8"
    & skf18("9","3","9","4","4","3","1") = "8"
    & skf18("9","3","9","4","4","4","1") = "8"
    & skf18("9","3","9","4","4","5","1") = "8"
    & skf18("9","3","9","4","4","6","1") = "8"
    & skf18("9","3","9","4","4","7","1") = "8"
    & skf18("9","3","9","4","4","8","1") = "8"
    & skf18("9","3","9","4","4","9","1") = "8"
    & skf18("9","3","9","4","4","10","1") = "9"
    & skf18("9","3","9","4","5","1","1") = "8"
    & skf18("9","3","9","4","5","2","1") = "8"
    & skf18("9","3","9","4","5","3","1") = "8"
    & skf18("9","3","9","4","5","4","1") = "8"
    & skf18("9","3","9","4","5","5","1") = "8"
    & skf18("9","3","9","4","5","6","1") = "8"
    & skf18("9","3","9","4","5","7","1") = "8"
    & skf18("9","3","9","4","5","8","1") = "8"
    & skf18("9","3","9","4","5","9","1") = "8"
    & skf18("9","3","9","4","5","10","1") = "9"
    & skf18("9","3","9","4","6","1","1") = "8"
    & skf18("9","3","9","4","6","2","1") = "8"
    & skf18("9","3","9","4","6","3","1") = "8"
    & skf18("9","3","9","4","6","4","1") = "8"
    & skf18("9","3","9","4","6","5","1") = "8"
    & skf18("9","3","9","4","6","6","1") = "8"
    & skf18("9","3","9","4","6","7","1") = "8"
    & skf18("9","3","9","4","6","8","1") = "8"
    & skf18("9","3","9","4","6","9","1") = "8"
    & skf18("9","3","9","4","6","10","1") = "9"
    & skf18("9","3","9","4","7","1","1") = "8"
    & skf18("9","3","9","4","7","2","1") = "8"
    & skf18("9","3","9","4","7","3","1") = "8"
    & skf18("9","3","9","4","7","4","1") = "8"
    & skf18("9","3","9","4","7","5","1") = "8"
    & skf18("9","3","9","4","7","6","1") = "8"
    & skf18("9","3","9","4","7","7","1") = "8"
    & skf18("9","3","9","4","7","8","1") = "8"
    & skf18("9","3","9","4","7","9","1") = "8"
    & skf18("9","3","9","4","7","10","1") = "9"
    & skf18("9","3","9","4","8","1","1") = "8"
    & skf18("9","3","9","4","8","2","1") = "8"
    & skf18("9","3","9","4","8","3","1") = "8"
    & skf18("9","3","9","4","8","4","1") = "8"
    & skf18("9","3","9","4","8","5","1") = "8"
    & skf18("9","3","9","4","8","6","1") = "8"
    & skf18("9","3","9","4","8","7","1") = "8"
    & skf18("9","3","9","4","8","8","1") = "8"
    & skf18("9","3","9","4","8","9","1") = "8"
    & skf18("9","3","9","4","8","10","1") = "9"
    & skf18("9","3","9","4","9","1","1") = "8"
    & skf18("9","3","9","4","9","2","1") = "8"
    & skf18("9","3","9","4","9","3","1") = "8"
    & skf18("9","3","9","4","9","4","1") = "8"
    & skf18("9","3","9","4","9","5","1") = "8"
    & skf18("9","3","9","4","9","6","1") = "8"
    & skf18("9","3","9","4","9","7","1") = "8"
    & skf18("9","3","9","4","9","8","1") = "8"
    & skf18("9","3","9","4","9","9","1") = "8"
    & skf18("9","3","9","4","9","10","1") = "9"
    & skf18("9","3","9","4","10","1","1") = "9"
    & skf18("9","3","9","4","10","2","1") = "9"
    & skf18("9","3","9","4","10","3","1") = "9"
    & skf18("9","3","9","4","10","4","1") = "9"
    & skf18("9","3","9","4","10","5","1") = "9"
    & skf18("9","3","9","4","10","6","1") = "9"
    & skf18("9","3","9","4","10","7","1") = "9"
    & skf18("9","3","9","4","10","8","1") = "9"
    & skf18("9","3","9","4","10","9","1") = "9"
    & skf18("9","3","9","4","10","10","1") = "9"
    & skf18("9","3","9","5","1","1","1") = "8"
    & skf18("9","3","9","5","1","2","1") = "8"
    & skf18("9","3","9","5","1","3","1") = "8"
    & skf18("9","3","9","5","1","4","1") = "8"
    & skf18("9","3","9","5","1","5","1") = "8"
    & skf18("9","3","9","5","1","6","1") = "8"
    & skf18("9","3","9","5","1","7","1") = "8"
    & skf18("9","3","9","5","1","8","1") = "8"
    & skf18("9","3","9","5","1","9","1") = "8"
    & skf18("9","3","9","5","1","10","1") = "9"
    & skf18("9","3","9","5","2","1","1") = "8"
    & skf18("9","3","9","5","2","2","1") = "8"
    & skf18("9","3","9","5","2","3","1") = "8"
    & skf18("9","3","9","5","2","4","1") = "8"
    & skf18("9","3","9","5","2","5","1") = "8"
    & skf18("9","3","9","5","2","6","1") = "8"
    & skf18("9","3","9","5","2","7","1") = "8"
    & skf18("9","3","9","5","2","8","1") = "8"
    & skf18("9","3","9","5","2","9","1") = "8"
    & skf18("9","3","9","5","2","10","1") = "9"
    & skf18("9","3","9","5","3","1","1") = "8"
    & skf18("9","3","9","5","3","2","1") = "8"
    & skf18("9","3","9","5","3","3","1") = "8"
    & skf18("9","3","9","5","3","4","1") = "8"
    & skf18("9","3","9","5","3","5","1") = "8"
    & skf18("9","3","9","5","3","6","1") = "8"
    & skf18("9","3","9","5","3","7","1") = "8"
    & skf18("9","3","9","5","3","8","1") = "8"
    & skf18("9","3","9","5","3","9","1") = "8"
    & skf18("9","3","9","5","3","10","1") = "9"
    & skf18("9","3","9","5","4","1","1") = "8"
    & skf18("9","3","9","5","4","2","1") = "8"
    & skf18("9","3","9","5","4","3","1") = "8"
    & skf18("9","3","9","5","4","4","1") = "8"
    & skf18("9","3","9","5","4","5","1") = "8"
    & skf18("9","3","9","5","4","6","1") = "8"
    & skf18("9","3","9","5","4","7","1") = "8"
    & skf18("9","3","9","5","4","8","1") = "8"
    & skf18("9","3","9","5","4","9","1") = "8"
    & skf18("9","3","9","5","4","10","1") = "9"
    & skf18("9","3","9","5","5","1","1") = "8"
    & skf18("9","3","9","5","5","2","1") = "8"
    & skf18("9","3","9","5","5","3","1") = "8"
    & skf18("9","3","9","5","5","4","1") = "8"
    & skf18("9","3","9","5","5","5","1") = "8"
    & skf18("9","3","9","5","5","6","1") = "8"
    & skf18("9","3","9","5","5","7","1") = "8"
    & skf18("9","3","9","5","5","8","1") = "8"
    & skf18("9","3","9","5","5","9","1") = "8"
    & skf18("9","3","9","5","5","10","1") = "9"
    & skf18("9","3","9","5","6","1","1") = "8"
    & skf18("9","3","9","5","6","2","1") = "8"
    & skf18("9","3","9","5","6","3","1") = "8"
    & skf18("9","3","9","5","6","4","1") = "8"
    & skf18("9","3","9","5","6","5","1") = "8"
    & skf18("9","3","9","5","6","6","1") = "8"
    & skf18("9","3","9","5","6","7","1") = "8"
    & skf18("9","3","9","5","6","8","1") = "8"
    & skf18("9","3","9","5","6","9","1") = "8"
    & skf18("9","3","9","5","6","10","1") = "9"
    & skf18("9","3","9","5","7","1","1") = "8"
    & skf18("9","3","9","5","7","2","1") = "8"
    & skf18("9","3","9","5","7","3","1") = "8"
    & skf18("9","3","9","5","7","4","1") = "8"
    & skf18("9","3","9","5","7","5","1") = "8"
    & skf18("9","3","9","5","7","6","1") = "8"
    & skf18("9","3","9","5","7","7","1") = "8"
    & skf18("9","3","9","5","7","8","1") = "8"
    & skf18("9","3","9","5","7","9","1") = "8"
    & skf18("9","3","9","5","7","10","1") = "9"
    & skf18("9","3","9","5","8","1","1") = "8"
    & skf18("9","3","9","5","8","2","1") = "8"
    & skf18("9","3","9","5","8","3","1") = "8"
    & skf18("9","3","9","5","8","4","1") = "8"
    & skf18("9","3","9","5","8","5","1") = "8"
    & skf18("9","3","9","5","8","6","1") = "8"
    & skf18("9","3","9","5","8","7","1") = "8"
    & skf18("9","3","9","5","8","8","1") = "8"
    & skf18("9","3","9","5","8","9","1") = "8"
    & skf18("9","3","9","5","8","10","1") = "9"
    & skf18("9","3","9","5","9","1","1") = "8"
    & skf18("9","3","9","5","9","2","1") = "8"
    & skf18("9","3","9","5","9","3","1") = "8"
    & skf18("9","3","9","5","9","4","1") = "8"
    & skf18("9","3","9","5","9","5","1") = "8"
    & skf18("9","3","9","5","9","6","1") = "8"
    & skf18("9","3","9","5","9","7","1") = "8"
    & skf18("9","3","9","5","9","8","1") = "8"
    & skf18("9","3","9","5","9","9","1") = "8"
    & skf18("9","3","9","5","9","10","1") = "9"
    & skf18("9","3","9","5","10","1","1") = "9"
    & skf18("9","3","9","5","10","2","1") = "9"
    & skf18("9","3","9","5","10","3","1") = "9"
    & skf18("9","3","9","5","10","4","1") = "9"
    & skf18("9","3","9","5","10","5","1") = "9"
    & skf18("9","3","9","5","10","6","1") = "9"
    & skf18("9","3","9","5","10","7","1") = "9"
    & skf18("9","3","9","5","10","8","1") = "9"
    & skf18("9","3","9","5","10","9","1") = "9"
    & skf18("9","3","9","5","10","10","1") = "9"
    & skf18("9","3","9","6","1","1","1") = "8"
    & skf18("9","3","9","6","1","2","1") = "8"
    & skf18("9","3","9","6","1","3","1") = "8"
    & skf18("9","3","9","6","1","4","1") = "8"
    & skf18("9","3","9","6","1","5","1") = "8"
    & skf18("9","3","9","6","1","6","1") = "8"
    & skf18("9","3","9","6","1","7","1") = "8"
    & skf18("9","3","9","6","1","8","1") = "8"
    & skf18("9","3","9","6","1","9","1") = "8"
    & skf18("9","3","9","6","1","10","1") = "9"
    & skf18("9","3","9","6","2","1","1") = "8"
    & skf18("9","3","9","6","2","2","1") = "8"
    & skf18("9","3","9","6","2","3","1") = "8"
    & skf18("9","3","9","6","2","4","1") = "8"
    & skf18("9","3","9","6","2","5","1") = "8"
    & skf18("9","3","9","6","2","6","1") = "8"
    & skf18("9","3","9","6","2","7","1") = "8"
    & skf18("9","3","9","6","2","8","1") = "8"
    & skf18("9","3","9","6","2","9","1") = "8"
    & skf18("9","3","9","6","2","10","1") = "9"
    & skf18("9","3","9","6","3","1","1") = "8"
    & skf18("9","3","9","6","3","2","1") = "8"
    & skf18("9","3","9","6","3","3","1") = "8"
    & skf18("9","3","9","6","3","4","1") = "8"
    & skf18("9","3","9","6","3","5","1") = "8"
    & skf18("9","3","9","6","3","6","1") = "8"
    & skf18("9","3","9","6","3","7","1") = "8"
    & skf18("9","3","9","6","3","8","1") = "8"
    & skf18("9","3","9","6","3","9","1") = "8"
    & skf18("9","3","9","6","3","10","1") = "9"
    & skf18("9","3","9","6","4","1","1") = "8"
    & skf18("9","3","9","6","4","2","1") = "8"
    & skf18("9","3","9","6","4","3","1") = "8"
    & skf18("9","3","9","6","4","4","1") = "8"
    & skf18("9","3","9","6","4","5","1") = "8"
    & skf18("9","3","9","6","4","6","1") = "8"
    & skf18("9","3","9","6","4","7","1") = "8"
    & skf18("9","3","9","6","4","8","1") = "8"
    & skf18("9","3","9","6","4","9","1") = "8"
    & skf18("9","3","9","6","4","10","1") = "9"
    & skf18("9","3","9","6","5","1","1") = "8"
    & skf18("9","3","9","6","5","2","1") = "8"
    & skf18("9","3","9","6","5","3","1") = "8"
    & skf18("9","3","9","6","5","4","1") = "8"
    & skf18("9","3","9","6","5","5","1") = "8"
    & skf18("9","3","9","6","5","6","1") = "8"
    & skf18("9","3","9","6","5","7","1") = "8"
    & skf18("9","3","9","6","5","8","1") = "8"
    & skf18("9","3","9","6","5","9","1") = "8"
    & skf18("9","3","9","6","5","10","1") = "9"
    & skf18("9","3","9","6","6","1","1") = "8"
    & skf18("9","3","9","6","6","2","1") = "8"
    & skf18("9","3","9","6","6","3","1") = "8"
    & skf18("9","3","9","6","6","4","1") = "8"
    & skf18("9","3","9","6","6","5","1") = "8"
    & skf18("9","3","9","6","6","6","1") = "8"
    & skf18("9","3","9","6","6","7","1") = "8"
    & skf18("9","3","9","6","6","8","1") = "8"
    & skf18("9","3","9","6","6","9","1") = "8"
    & skf18("9","3","9","6","6","10","1") = "9"
    & skf18("9","3","9","6","7","1","1") = "8"
    & skf18("9","3","9","6","7","2","1") = "8"
    & skf18("9","3","9","6","7","3","1") = "8"
    & skf18("9","3","9","6","7","4","1") = "8"
    & skf18("9","3","9","6","7","5","1") = "8"
    & skf18("9","3","9","6","7","6","1") = "8"
    & skf18("9","3","9","6","7","7","1") = "8"
    & skf18("9","3","9","6","7","8","1") = "8"
    & skf18("9","3","9","6","7","9","1") = "8"
    & skf18("9","3","9","6","7","10","1") = "9"
    & skf18("9","3","9","6","8","1","1") = "8"
    & skf18("9","3","9","6","8","2","1") = "8"
    & skf18("9","3","9","6","8","3","1") = "8"
    & skf18("9","3","9","6","8","4","1") = "8"
    & skf18("9","3","9","6","8","5","1") = "8"
    & skf18("9","3","9","6","8","6","1") = "8"
    & skf18("9","3","9","6","8","7","1") = "8"
    & skf18("9","3","9","6","8","8","1") = "8"
    & skf18("9","3","9","6","8","9","1") = "8"
    & skf18("9","3","9","6","8","10","1") = "9"
    & skf18("9","3","9","6","9","1","1") = "8"
    & skf18("9","3","9","6","9","2","1") = "8"
    & skf18("9","3","9","6","9","3","1") = "8"
    & skf18("9","3","9","6","9","4","1") = "8"
    & skf18("9","3","9","6","9","5","1") = "8"
    & skf18("9","3","9","6","9","6","1") = "8"
    & skf18("9","3","9","6","9","7","1") = "8"
    & skf18("9","3","9","6","9","8","1") = "8"
    & skf18("9","3","9","6","9","9","1") = "8"
    & skf18("9","3","9","6","9","10","1") = "9"
    & skf18("9","3","9","6","10","1","1") = "9"
    & skf18("9","3","9","6","10","2","1") = "9"
    & skf18("9","3","9","6","10","3","1") = "9"
    & skf18("9","3","9","6","10","4","1") = "9"
    & skf18("9","3","9","6","10","5","1") = "9"
    & skf18("9","3","9","6","10","6","1") = "9"
    & skf18("9","3","9","6","10","7","1") = "9"
    & skf18("9","3","9","6","10","8","1") = "9"
    & skf18("9","3","9","6","10","9","1") = "9"
    & skf18("9","3","9","6","10","10","1") = "9"
    & skf18("9","3","9","7","1","1","1") = "8"
    & skf18("9","3","9","7","1","2","1") = "8"
    & skf18("9","3","9","7","1","3","1") = "8"
    & skf18("9","3","9","7","1","4","1") = "8"
    & skf18("9","3","9","7","1","5","1") = "8"
    & skf18("9","3","9","7","1","6","1") = "8"
    & skf18("9","3","9","7","1","7","1") = "8"
    & skf18("9","3","9","7","1","8","1") = "8"
    & skf18("9","3","9","7","1","9","1") = "8"
    & skf18("9","3","9","7","1","10","1") = "9"
    & skf18("9","3","9","7","2","1","1") = "8"
    & skf18("9","3","9","7","2","2","1") = "8"
    & skf18("9","3","9","7","2","3","1") = "8"
    & skf18("9","3","9","7","2","4","1") = "8"
    & skf18("9","3","9","7","2","5","1") = "8"
    & skf18("9","3","9","7","2","6","1") = "8"
    & skf18("9","3","9","7","2","7","1") = "8"
    & skf18("9","3","9","7","2","8","1") = "8"
    & skf18("9","3","9","7","2","9","1") = "8"
    & skf18("9","3","9","7","2","10","1") = "9"
    & skf18("9","3","9","7","3","1","1") = "8"
    & skf18("9","3","9","7","3","2","1") = "8"
    & skf18("9","3","9","7","3","3","1") = "8"
    & skf18("9","3","9","7","3","4","1") = "8"
    & skf18("9","3","9","7","3","5","1") = "8"
    & skf18("9","3","9","7","3","6","1") = "8"
    & skf18("9","3","9","7","3","7","1") = "8"
    & skf18("9","3","9","7","3","8","1") = "8"
    & skf18("9","3","9","7","3","9","1") = "8"
    & skf18("9","3","9","7","3","10","1") = "9"
    & skf18("9","3","9","7","4","1","1") = "8"
    & skf18("9","3","9","7","4","2","1") = "8"
    & skf18("9","3","9","7","4","3","1") = "8"
    & skf18("9","3","9","7","4","4","1") = "8"
    & skf18("9","3","9","7","4","5","1") = "8"
    & skf18("9","3","9","7","4","6","1") = "8"
    & skf18("9","3","9","7","4","7","1") = "8"
    & skf18("9","3","9","7","4","8","1") = "8"
    & skf18("9","3","9","7","4","9","1") = "8"
    & skf18("9","3","9","7","4","10","1") = "9"
    & skf18("9","3","9","7","5","1","1") = "8"
    & skf18("9","3","9","7","5","2","1") = "8"
    & skf18("9","3","9","7","5","3","1") = "8"
    & skf18("9","3","9","7","5","4","1") = "8"
    & skf18("9","3","9","7","5","5","1") = "8"
    & skf18("9","3","9","7","5","6","1") = "8"
    & skf18("9","3","9","7","5","7","1") = "8"
    & skf18("9","3","9","7","5","8","1") = "8"
    & skf18("9","3","9","7","5","9","1") = "8"
    & skf18("9","3","9","7","5","10","1") = "9"
    & skf18("9","3","9","7","6","1","1") = "8"
    & skf18("9","3","9","7","6","2","1") = "8"
    & skf18("9","3","9","7","6","3","1") = "8"
    & skf18("9","3","9","7","6","4","1") = "8"
    & skf18("9","3","9","7","6","5","1") = "8"
    & skf18("9","3","9","7","6","6","1") = "8"
    & skf18("9","3","9","7","6","7","1") = "8"
    & skf18("9","3","9","7","6","8","1") = "8"
    & skf18("9","3","9","7","6","9","1") = "8"
    & skf18("9","3","9","7","6","10","1") = "9"
    & skf18("9","3","9","7","7","1","1") = "8"
    & skf18("9","3","9","7","7","2","1") = "8"
    & skf18("9","3","9","7","7","3","1") = "8"
    & skf18("9","3","9","7","7","4","1") = "8"
    & skf18("9","3","9","7","7","5","1") = "8"
    & skf18("9","3","9","7","7","6","1") = "8"
    & skf18("9","3","9","7","7","7","1") = "8"
    & skf18("9","3","9","7","7","8","1") = "8"
    & skf18("9","3","9","7","7","9","1") = "8"
    & skf18("9","3","9","7","7","10","1") = "9"
    & skf18("9","3","9","7","8","1","1") = "8"
    & skf18("9","3","9","7","8","2","1") = "8"
    & skf18("9","3","9","7","8","3","1") = "8"
    & skf18("9","3","9","7","8","4","1") = "8"
    & skf18("9","3","9","7","8","5","1") = "8"
    & skf18("9","3","9","7","8","6","1") = "8"
    & skf18("9","3","9","7","8","7","1") = "8"
    & skf18("9","3","9","7","8","8","1") = "8"
    & skf18("9","3","9","7","8","9","1") = "8"
    & skf18("9","3","9","7","8","10","1") = "9"
    & skf18("9","3","9","7","9","1","1") = "8"
    & skf18("9","3","9","7","9","2","1") = "8"
    & skf18("9","3","9","7","9","3","1") = "8"
    & skf18("9","3","9","7","9","4","1") = "8"
    & skf18("9","3","9","7","9","5","1") = "8"
    & skf18("9","3","9","7","9","6","1") = "8"
    & skf18("9","3","9","7","9","7","1") = "8"
    & skf18("9","3","9","7","9","8","1") = "8"
    & skf18("9","3","9","7","9","9","1") = "8"
    & skf18("9","3","9","7","9","10","1") = "9"
    & skf18("9","3","9","7","10","1","1") = "9"
    & skf18("9","3","9","7","10","2","1") = "9"
    & skf18("9","3","9","7","10","3","1") = "9"
    & skf18("9","3","9","7","10","4","1") = "9"
    & skf18("9","3","9","7","10","5","1") = "9"
    & skf18("9","3","9","7","10","6","1") = "9"
    & skf18("9","3","9","7","10","7","1") = "9"
    & skf18("9","3","9","7","10","8","1") = "9"
    & skf18("9","3","9","7","10","9","1") = "9"
    & skf18("9","3","9","7","10","10","1") = "9"
    & skf18("9","3","9","8","1","1","1") = "8"
    & skf18("9","3","9","8","1","2","1") = "8"
    & skf18("9","3","9","8","1","3","1") = "8"
    & skf18("9","3","9","8","1","4","1") = "8"
    & skf18("9","3","9","8","1","5","1") = "8"
    & skf18("9","3","9","8","1","6","1") = "8"
    & skf18("9","3","9","8","1","7","1") = "8"
    & skf18("9","3","9","8","1","8","1") = "8"
    & skf18("9","3","9","8","1","9","1") = "8"
    & skf18("9","3","9","8","1","10","1") = "9"
    & skf18("9","3","9","8","2","1","1") = "8"
    & skf18("9","3","9","8","2","2","1") = "8"
    & skf18("9","3","9","8","2","3","1") = "8"
    & skf18("9","3","9","8","2","4","1") = "8"
    & skf18("9","3","9","8","2","5","1") = "8"
    & skf18("9","3","9","8","2","6","1") = "8"
    & skf18("9","3","9","8","2","7","1") = "8"
    & skf18("9","3","9","8","2","8","1") = "8"
    & skf18("9","3","9","8","2","9","1") = "8"
    & skf18("9","3","9","8","2","10","1") = "9"
    & skf18("9","3","9","8","3","1","1") = "8"
    & skf18("9","3","9","8","3","2","1") = "8"
    & skf18("9","3","9","8","3","3","1") = "8"
    & skf18("9","3","9","8","3","4","1") = "8"
    & skf18("9","3","9","8","3","5","1") = "8"
    & skf18("9","3","9","8","3","6","1") = "8"
    & skf18("9","3","9","8","3","7","1") = "8"
    & skf18("9","3","9","8","3","8","1") = "8"
    & skf18("9","3","9","8","3","9","1") = "8"
    & skf18("9","3","9","8","3","10","1") = "9"
    & skf18("9","3","9","8","4","1","1") = "8"
    & skf18("9","3","9","8","4","2","1") = "8"
    & skf18("9","3","9","8","4","3","1") = "8"
    & skf18("9","3","9","8","4","4","1") = "8"
    & skf18("9","3","9","8","4","5","1") = "8"
    & skf18("9","3","9","8","4","6","1") = "8"
    & skf18("9","3","9","8","4","7","1") = "8"
    & skf18("9","3","9","8","4","8","1") = "8"
    & skf18("9","3","9","8","4","9","1") = "8"
    & skf18("9","3","9","8","4","10","1") = "9"
    & skf18("9","3","9","8","5","1","1") = "8"
    & skf18("9","3","9","8","5","2","1") = "8"
    & skf18("9","3","9","8","5","3","1") = "8"
    & skf18("9","3","9","8","5","4","1") = "8"
    & skf18("9","3","9","8","5","5","1") = "8"
    & skf18("9","3","9","8","5","6","1") = "8"
    & skf18("9","3","9","8","5","7","1") = "8"
    & skf18("9","3","9","8","5","8","1") = "8"
    & skf18("9","3","9","8","5","9","1") = "8"
    & skf18("9","3","9","8","5","10","1") = "9"
    & skf18("9","3","9","8","6","1","1") = "8"
    & skf18("9","3","9","8","6","2","1") = "8"
    & skf18("9","3","9","8","6","3","1") = "8"
    & skf18("9","3","9","8","6","4","1") = "8"
    & skf18("9","3","9","8","6","5","1") = "8"
    & skf18("9","3","9","8","6","6","1") = "8"
    & skf18("9","3","9","8","6","7","1") = "8"
    & skf18("9","3","9","8","6","8","1") = "8"
    & skf18("9","3","9","8","6","9","1") = "8"
    & skf18("9","3","9","8","6","10","1") = "9"
    & skf18("9","3","9","8","7","1","1") = "8"
    & skf18("9","3","9","8","7","2","1") = "8"
    & skf18("9","3","9","8","7","3","1") = "8"
    & skf18("9","3","9","8","7","4","1") = "8"
    & skf18("9","3","9","8","7","5","1") = "8"
    & skf18("9","3","9","8","7","6","1") = "8"
    & skf18("9","3","9","8","7","7","1") = "8"
    & skf18("9","3","9","8","7","8","1") = "8"
    & skf18("9","3","9","8","7","9","1") = "8"
    & skf18("9","3","9","8","7","10","1") = "9"
    & skf18("9","3","9","8","8","1","1") = "8"
    & skf18("9","3","9","8","8","2","1") = "8"
    & skf18("9","3","9","8","8","3","1") = "8"
    & skf18("9","3","9","8","8","4","1") = "8"
    & skf18("9","3","9","8","8","5","1") = "8"
    & skf18("9","3","9","8","8","6","1") = "8"
    & skf18("9","3","9","8","8","7","1") = "8"
    & skf18("9","3","9","8","8","8","1") = "8"
    & skf18("9","3","9","8","8","9","1") = "8"
    & skf18("9","3","9","8","8","10","1") = "9"
    & skf18("9","3","9","8","9","1","1") = "8"
    & skf18("9","3","9","8","9","2","1") = "8"
    & skf18("9","3","9","8","9","3","1") = "8"
    & skf18("9","3","9","8","9","4","1") = "8"
    & skf18("9","3","9","8","9","5","1") = "8"
    & skf18("9","3","9","8","9","6","1") = "8"
    & skf18("9","3","9","8","9","7","1") = "8"
    & skf18("9","3","9","8","9","8","1") = "8"
    & skf18("9","3","9","8","9","9","1") = "8"
    & skf18("9","3","9","8","9","10","1") = "9"
    & skf18("9","3","9","8","10","1","1") = "9"
    & skf18("9","3","9","8","10","2","1") = "9"
    & skf18("9","3","9","8","10","3","1") = "9"
    & skf18("9","3","9","8","10","4","1") = "9"
    & skf18("9","3","9","8","10","5","1") = "9"
    & skf18("9","3","9","8","10","6","1") = "9"
    & skf18("9","3","9","8","10","7","1") = "9"
    & skf18("9","3","9","8","10","8","1") = "9"
    & skf18("9","3","9","8","10","9","1") = "9"
    & skf18("9","3","9","8","10","10","1") = "9"
    & skf18("9","3","9","9","1","1","1") = "8"
    & skf18("9","3","9","9","1","2","1") = "8"
    & skf18("9","3","9","9","1","3","1") = "8"
    & skf18("9","3","9","9","1","4","1") = "8"
    & skf18("9","3","9","9","1","5","1") = "8"
    & skf18("9","3","9","9","1","6","1") = "8"
    & skf18("9","3","9","9","1","7","1") = "8"
    & skf18("9","3","9","9","1","8","1") = "8"
    & skf18("9","3","9","9","1","9","1") = "8"
    & skf18("9","3","9","9","1","10","1") = "9"
    & skf18("9","3","9","9","2","1","1") = "8"
    & skf18("9","3","9","9","2","2","1") = "8"
    & skf18("9","3","9","9","2","3","1") = "8"
    & skf18("9","3","9","9","2","4","1") = "8"
    & skf18("9","3","9","9","2","5","1") = "8"
    & skf18("9","3","9","9","2","6","1") = "8"
    & skf18("9","3","9","9","2","7","1") = "8"
    & skf18("9","3","9","9","2","8","1") = "8"
    & skf18("9","3","9","9","2","9","1") = "8"
    & skf18("9","3","9","9","2","10","1") = "9"
    & skf18("9","3","9","9","3","1","1") = "8"
    & skf18("9","3","9","9","3","2","1") = "8"
    & skf18("9","3","9","9","3","3","1") = "8"
    & skf18("9","3","9","9","3","4","1") = "8"
    & skf18("9","3","9","9","3","5","1") = "8"
    & skf18("9","3","9","9","3","6","1") = "8"
    & skf18("9","3","9","9","3","7","1") = "8"
    & skf18("9","3","9","9","3","8","1") = "8"
    & skf18("9","3","9","9","3","9","1") = "8"
    & skf18("9","3","9","9","3","10","1") = "9"
    & skf18("9","3","9","9","4","1","1") = "8"
    & skf18("9","3","9","9","4","2","1") = "8"
    & skf18("9","3","9","9","4","3","1") = "8"
    & skf18("9","3","9","9","4","4","1") = "8"
    & skf18("9","3","9","9","4","5","1") = "8"
    & skf18("9","3","9","9","4","6","1") = "8"
    & skf18("9","3","9","9","4","7","1") = "8"
    & skf18("9","3","9","9","4","8","1") = "8"
    & skf18("9","3","9","9","4","9","1") = "8"
    & skf18("9","3","9","9","4","10","1") = "9"
    & skf18("9","3","9","9","5","1","1") = "8"
    & skf18("9","3","9","9","5","2","1") = "8"
    & skf18("9","3","9","9","5","3","1") = "8"
    & skf18("9","3","9","9","5","4","1") = "8"
    & skf18("9","3","9","9","5","5","1") = "8"
    & skf18("9","3","9","9","5","6","1") = "8"
    & skf18("9","3","9","9","5","7","1") = "8"
    & skf18("9","3","9","9","5","8","1") = "8"
    & skf18("9","3","9","9","5","9","1") = "8"
    & skf18("9","3","9","9","5","10","1") = "9"
    & skf18("9","3","9","9","6","1","1") = "8"
    & skf18("9","3","9","9","6","2","1") = "8"
    & skf18("9","3","9","9","6","3","1") = "8"
    & skf18("9","3","9","9","6","4","1") = "8"
    & skf18("9","3","9","9","6","5","1") = "8"
    & skf18("9","3","9","9","6","6","1") = "8"
    & skf18("9","3","9","9","6","7","1") = "8"
    & skf18("9","3","9","9","6","8","1") = "8"
    & skf18("9","3","9","9","6","9","1") = "8"
    & skf18("9","3","9","9","6","10","1") = "9"
    & skf18("9","3","9","9","7","1","1") = "8"
    & skf18("9","3","9","9","7","2","1") = "8"
    & skf18("9","3","9","9","7","3","1") = "8"
    & skf18("9","3","9","9","7","4","1") = "8"
    & skf18("9","3","9","9","7","5","1") = "8"
    & skf18("9","3","9","9","7","6","1") = "8"
    & skf18("9","3","9","9","7","7","1") = "8"
    & skf18("9","3","9","9","7","8","1") = "8"
    & skf18("9","3","9","9","7","9","1") = "8"
    & skf18("9","3","9","9","7","10","1") = "9"
    & skf18("9","3","9","9","8","1","1") = "8"
    & skf18("9","3","9","9","8","2","1") = "8"
    & skf18("9","3","9","9","8","3","1") = "8"
    & skf18("9","3","9","9","8","4","1") = "8"
    & skf18("9","3","9","9","8","5","1") = "8"
    & skf18("9","3","9","9","8","6","1") = "8"
    & skf18("9","3","9","9","8","7","1") = "8"
    & skf18("9","3","9","9","8","8","1") = "8"
    & skf18("9","3","9","9","8","9","1") = "8"
    & skf18("9","3","9","9","8","10","1") = "9"
    & skf18("9","3","9","9","9","1","1") = "8"
    & skf18("9","3","9","9","9","2","1") = "8"
    & skf18("9","3","9","9","9","3","1") = "8"
    & skf18("9","3","9","9","9","4","1") = "8"
    & skf18("9","3","9","9","9","5","1") = "8"
    & skf18("9","3","9","9","9","6","1") = "8"
    & skf18("9","3","9","9","9","7","1") = "8"
    & skf18("9","3","9","9","9","8","1") = "8"
    & skf18("9","3","9","9","9","9","1") = "8"
    & skf18("9","3","9","9","9","10","1") = "9"
    & skf18("9","3","9","9","10","1","1") = "9"
    & skf18("9","3","9","9","10","2","1") = "9"
    & skf18("9","3","9","9","10","3","1") = "9"
    & skf18("9","3","9","9","10","4","1") = "9"
    & skf18("9","3","9","9","10","5","1") = "9"
    & skf18("9","3","9","9","10","6","1") = "9"
    & skf18("9","3","9","9","10","7","1") = "9"
    & skf18("9","3","9","9","10","8","1") = "9"
    & skf18("9","3","9","9","10","9","1") = "9"
    & skf18("9","3","9","9","10","10","1") = "9"
    & skf18("9","3","9","10","1","1","1") = "9"
    & skf18("9","3","9","10","1","2","1") = "9"
    & skf18("9","3","9","10","1","3","1") = "9"
    & skf18("9","3","9","10","1","4","1") = "9"
    & skf18("9","3","9","10","1","5","1") = "9"
    & skf18("9","3","9","10","1","6","1") = "9"
    & skf18("9","3","9","10","1","7","1") = "9"
    & skf18("9","3","9","10","1","8","1") = "9"
    & skf18("9","3","9","10","1","9","1") = "9"
    & skf18("9","3","9","10","1","10","1") = "9"
    & skf18("9","3","9","10","2","1","1") = "9"
    & skf18("9","3","9","10","2","2","1") = "9"
    & skf18("9","3","9","10","2","3","1") = "9"
    & skf18("9","3","9","10","2","4","1") = "9"
    & skf18("9","3","9","10","2","5","1") = "9"
    & skf18("9","3","9","10","2","6","1") = "9"
    & skf18("9","3","9","10","2","7","1") = "9"
    & skf18("9","3","9","10","2","8","1") = "9"
    & skf18("9","3","9","10","2","9","1") = "9"
    & skf18("9","3","9","10","2","10","1") = "9"
    & skf18("9","3","9","10","3","1","1") = "9"
    & skf18("9","3","9","10","3","2","1") = "9"
    & skf18("9","3","9","10","3","3","1") = "9"
    & skf18("9","3","9","10","3","4","1") = "9"
    & skf18("9","3","9","10","3","5","1") = "9"
    & skf18("9","3","9","10","3","6","1") = "9"
    & skf18("9","3","9","10","3","7","1") = "9"
    & skf18("9","3","9","10","3","8","1") = "9"
    & skf18("9","3","9","10","3","9","1") = "9"
    & skf18("9","3","9","10","3","10","1") = "9"
    & skf18("9","3","9","10","4","1","1") = "9"
    & skf18("9","3","9","10","4","2","1") = "9"
    & skf18("9","3","9","10","4","3","1") = "9"
    & skf18("9","3","9","10","4","4","1") = "9"
    & skf18("9","3","9","10","4","5","1") = "9"
    & skf18("9","3","9","10","4","6","1") = "9"
    & skf18("9","3","9","10","4","7","1") = "9"
    & skf18("9","3","9","10","4","8","1") = "9"
    & skf18("9","3","9","10","4","9","1") = "9"
    & skf18("9","3","9","10","4","10","1") = "9"
    & skf18("9","3","9","10","5","1","1") = "9"
    & skf18("9","3","9","10","5","2","1") = "9"
    & skf18("9","3","9","10","5","3","1") = "9"
    & skf18("9","3","9","10","5","4","1") = "9"
    & skf18("9","3","9","10","5","5","1") = "9"
    & skf18("9","3","9","10","5","6","1") = "9"
    & skf18("9","3","9","10","5","7","1") = "9"
    & skf18("9","3","9","10","5","8","1") = "9"
    & skf18("9","3","9","10","5","9","1") = "9"
    & skf18("9","3","9","10","5","10","1") = "9"
    & skf18("9","3","9","10","6","1","1") = "9"
    & skf18("9","3","9","10","6","2","1") = "9"
    & skf18("9","3","9","10","6","3","1") = "9"
    & skf18("9","3","9","10","6","4","1") = "9"
    & skf18("9","3","9","10","6","5","1") = "9"
    & skf18("9","3","9","10","6","6","1") = "9"
    & skf18("9","3","9","10","6","7","1") = "9"
    & skf18("9","3","9","10","6","8","1") = "9"
    & skf18("9","3","9","10","6","9","1") = "9"
    & skf18("9","3","9","10","6","10","1") = "9"
    & skf18("9","3","9","10","7","1","1") = "9"
    & skf18("9","3","9","10","7","2","1") = "9"
    & skf18("9","3","9","10","7","3","1") = "9"
    & skf18("9","3","9","10","7","4","1") = "9"
    & skf18("9","3","9","10","7","5","1") = "9"
    & skf18("9","3","9","10","7","6","1") = "9"
    & skf18("9","3","9","10","7","7","1") = "9"
    & skf18("9","3","9","10","7","8","1") = "9"
    & skf18("9","3","9","10","7","9","1") = "9"
    & skf18("9","3","9","10","7","10","1") = "9"
    & skf18("9","3","9","10","8","1","1") = "9"
    & skf18("9","3","9","10","8","2","1") = "9"
    & skf18("9","3","9","10","8","3","1") = "9"
    & skf18("9","3","9","10","8","4","1") = "9"
    & skf18("9","3","9","10","8","5","1") = "9"
    & skf18("9","3","9","10","8","6","1") = "9"
    & skf18("9","3","9","10","8","7","1") = "9"
    & skf18("9","3","9","10","8","8","1") = "9"
    & skf18("9","3","9","10","8","9","1") = "9"
    & skf18("9","3","9","10","8","10","1") = "9"
    & skf18("9","3","9","10","9","1","1") = "9"
    & skf18("9","3","9","10","9","2","1") = "9"
    & skf18("9","3","9","10","9","3","1") = "9"
    & skf18("9","3","9","10","9","4","1") = "9"
    & skf18("9","3","9","10","9","5","1") = "9"
    & skf18("9","3","9","10","9","6","1") = "9"
    & skf18("9","3","9","10","9","7","1") = "9"
    & skf18("9","3","9","10","9","8","1") = "9"
    & skf18("9","3","9","10","9","9","1") = "9"
    & skf18("9","3","9","10","9","10","1") = "9"
    & skf18("9","3","9","10","10","1","1") = "9"
    & skf18("9","3","9","10","10","2","1") = "9"
    & skf18("9","3","9","10","10","3","1") = "9"
    & skf18("9","3","9","10","10","4","1") = "9"
    & skf18("9","3","9","10","10","5","1") = "9"
    & skf18("9","3","9","10","10","6","1") = "9"
    & skf18("9","3","9","10","10","7","1") = "9"
    & skf18("9","3","9","10","10","8","1") = "9"
    & skf18("9","3","9","10","10","9","1") = "9"
    & skf18("9","3","9","10","10","10","1") = "9"
    & skf18("9","3","10","1","1","1","1") = "9"
    & skf18("9","3","10","1","1","2","1") = "9"
    & skf18("9","3","10","1","1","3","1") = "9"
    & skf18("9","3","10","1","1","4","1") = "9"
    & skf18("9","3","10","1","1","5","1") = "9"
    & skf18("9","3","10","1","1","6","1") = "9"
    & skf18("9","3","10","1","1","7","1") = "9"
    & skf18("9","3","10","1","1","8","1") = "9"
    & skf18("9","3","10","1","1","9","1") = "9"
    & skf18("9","3","10","1","1","10","1") = "9"
    & skf18("9","3","10","1","2","1","1") = "9"
    & skf18("9","3","10","1","2","2","1") = "9"
    & skf18("9","3","10","1","2","3","1") = "9"
    & skf18("9","3","10","1","2","4","1") = "9"
    & skf18("9","3","10","1","2","5","1") = "9"
    & skf18("9","3","10","1","2","6","1") = "9"
    & skf18("9","3","10","1","2","7","1") = "9"
    & skf18("9","3","10","1","2","8","1") = "9"
    & skf18("9","3","10","1","2","9","1") = "9"
    & skf18("9","3","10","1","2","10","1") = "9"
    & skf18("9","3","10","1","3","1","1") = "9"
    & skf18("9","3","10","1","3","2","1") = "9"
    & skf18("9","3","10","1","3","3","1") = "9"
    & skf18("9","3","10","1","3","4","1") = "9"
    & skf18("9","3","10","1","3","5","1") = "9"
    & skf18("9","3","10","1","3","6","1") = "9"
    & skf18("9","3","10","1","3","7","1") = "9"
    & skf18("9","3","10","1","3","8","1") = "9"
    & skf18("9","3","10","1","3","9","1") = "9"
    & skf18("9","3","10","1","3","10","1") = "9"
    & skf18("9","3","10","1","4","1","1") = "9"
    & skf18("9","3","10","1","4","2","1") = "9"
    & skf18("9","3","10","1","4","3","1") = "9"
    & skf18("9","3","10","1","4","4","1") = "9"
    & skf18("9","3","10","1","4","5","1") = "9"
    & skf18("9","3","10","1","4","6","1") = "9"
    & skf18("9","3","10","1","4","7","1") = "9"
    & skf18("9","3","10","1","4","8","1") = "9"
    & skf18("9","3","10","1","4","9","1") = "9"
    & skf18("9","3","10","1","4","10","1") = "9"
    & skf18("9","3","10","1","5","1","1") = "9"
    & skf18("9","3","10","1","5","2","1") = "9"
    & skf18("9","3","10","1","5","3","1") = "9"
    & skf18("9","3","10","1","5","4","1") = "9"
    & skf18("9","3","10","1","5","5","1") = "9"
    & skf18("9","3","10","1","5","6","1") = "9"
    & skf18("9","3","10","1","5","7","1") = "9"
    & skf18("9","3","10","1","5","8","1") = "9"
    & skf18("9","3","10","1","5","9","1") = "9"
    & skf18("9","3","10","1","5","10","1") = "9"
    & skf18("9","3","10","1","6","1","1") = "9"
    & skf18("9","3","10","1","6","2","1") = "9"
    & skf18("9","3","10","1","6","3","1") = "9"
    & skf18("9","3","10","1","6","4","1") = "9"
    & skf18("9","3","10","1","6","5","1") = "9"
    & skf18("9","3","10","1","6","6","1") = "9"
    & skf18("9","3","10","1","6","7","1") = "9"
    & skf18("9","3","10","1","6","8","1") = "9"
    & skf18("9","3","10","1","6","9","1") = "9"
    & skf18("9","3","10","1","6","10","1") = "9"
    & skf18("9","3","10","1","7","1","1") = "9"
    & skf18("9","3","10","1","7","2","1") = "9"
    & skf18("9","3","10","1","7","3","1") = "9"
    & skf18("9","3","10","1","7","4","1") = "9"
    & skf18("9","3","10","1","7","5","1") = "9"
    & skf18("9","3","10","1","7","6","1") = "9"
    & skf18("9","3","10","1","7","7","1") = "9"
    & skf18("9","3","10","1","7","8","1") = "9"
    & skf18("9","3","10","1","7","9","1") = "9"
    & skf18("9","3","10","1","7","10","1") = "9"
    & skf18("9","3","10","1","8","1","1") = "9"
    & skf18("9","3","10","1","8","2","1") = "9"
    & skf18("9","3","10","1","8","3","1") = "9"
    & skf18("9","3","10","1","8","4","1") = "9"
    & skf18("9","3","10","1","8","5","1") = "9"
    & skf18("9","3","10","1","8","6","1") = "9"
    & skf18("9","3","10","1","8","7","1") = "9"
    & skf18("9","3","10","1","8","8","1") = "9"
    & skf18("9","3","10","1","8","9","1") = "9"
    & skf18("9","3","10","1","8","10","1") = "9"
    & skf18("9","3","10","1","9","1","1") = "9"
    & skf18("9","3","10","1","9","2","1") = "9"
    & skf18("9","3","10","1","9","3","1") = "9"
    & skf18("9","3","10","1","9","4","1") = "9"
    & skf18("9","3","10","1","9","5","1") = "9"
    & skf18("9","3","10","1","9","6","1") = "9"
    & skf18("9","3","10","1","9","7","1") = "9"
    & skf18("9","3","10","1","9","8","1") = "9"
    & skf18("9","3","10","1","9","9","1") = "9"
    & skf18("9","3","10","1","9","10","1") = "9"
    & skf18("9","3","10","1","10","1","1") = "9"
    & skf18("9","3","10","1","10","2","1") = "9"
    & skf18("9","3","10","1","10","3","1") = "9"
    & skf18("9","3","10","1","10","4","1") = "9"
    & skf18("9","3","10","1","10","5","1") = "9"
    & skf18("9","3","10","1","10","6","1") = "9"
    & skf18("9","3","10","1","10","7","1") = "9"
    & skf18("9","3","10","1","10","8","1") = "9"
    & skf18("9","3","10","1","10","9","1") = "9"
    & skf18("9","3","10","1","10","10","1") = "9"
    & skf18("9","3","10","2","1","1","1") = "9"
    & skf18("9","3","10","2","1","2","1") = "9"
    & skf18("9","3","10","2","1","3","1") = "9"
    & skf18("9","3","10","2","1","4","1") = "9"
    & skf18("9","3","10","2","1","5","1") = "9"
    & skf18("9","3","10","2","1","6","1") = "9"
    & skf18("9","3","10","2","1","7","1") = "9"
    & skf18("9","3","10","2","1","8","1") = "9"
    & skf18("9","3","10","2","1","9","1") = "9"
    & skf18("9","3","10","2","1","10","1") = "9"
    & skf18("9","3","10","2","2","1","1") = "9"
    & skf18("9","3","10","2","2","2","1") = "9"
    & skf18("9","3","10","2","2","3","1") = "9"
    & skf18("9","3","10","2","2","4","1") = "9"
    & skf18("9","3","10","2","2","5","1") = "9"
    & skf18("9","3","10","2","2","6","1") = "9"
    & skf18("9","3","10","2","2","7","1") = "9"
    & skf18("9","3","10","2","2","8","1") = "9"
    & skf18("9","3","10","2","2","9","1") = "9"
    & skf18("9","3","10","2","2","10","1") = "9"
    & skf18("9","3","10","2","3","1","1") = "9"
    & skf18("9","3","10","2","3","2","1") = "9"
    & skf18("9","3","10","2","3","3","1") = "9"
    & skf18("9","3","10","2","3","4","1") = "9"
    & skf18("9","3","10","2","3","5","1") = "9"
    & skf18("9","3","10","2","3","6","1") = "9"
    & skf18("9","3","10","2","3","7","1") = "9"
    & skf18("9","3","10","2","3","8","1") = "9"
    & skf18("9","3","10","2","3","9","1") = "9"
    & skf18("9","3","10","2","3","10","1") = "9"
    & skf18("9","3","10","2","4","1","1") = "9"
    & skf18("9","3","10","2","4","2","1") = "9"
    & skf18("9","3","10","2","4","3","1") = "9"
    & skf18("9","3","10","2","4","4","1") = "9"
    & skf18("9","3","10","2","4","5","1") = "9"
    & skf18("9","3","10","2","4","6","1") = "9"
    & skf18("9","3","10","2","4","7","1") = "9"
    & skf18("9","3","10","2","4","8","1") = "9"
    & skf18("9","3","10","2","4","9","1") = "9"
    & skf18("9","3","10","2","4","10","1") = "9"
    & skf18("9","3","10","2","5","1","1") = "9"
    & skf18("9","3","10","2","5","2","1") = "9"
    & skf18("9","3","10","2","5","3","1") = "9"
    & skf18("9","3","10","2","5","4","1") = "9"
    & skf18("9","3","10","2","5","5","1") = "9"
    & skf18("9","3","10","2","5","6","1") = "9"
    & skf18("9","3","10","2","5","7","1") = "9"
    & skf18("9","3","10","2","5","8","1") = "9"
    & skf18("9","3","10","2","5","9","1") = "9"
    & skf18("9","3","10","2","5","10","1") = "9"
    & skf18("9","3","10","2","6","1","1") = "9"
    & skf18("9","3","10","2","6","2","1") = "9"
    & skf18("9","3","10","2","6","3","1") = "9"
    & skf18("9","3","10","2","6","4","1") = "9"
    & skf18("9","3","10","2","6","5","1") = "9"
    & skf18("9","3","10","2","6","6","1") = "9"
    & skf18("9","3","10","2","6","7","1") = "9"
    & skf18("9","3","10","2","6","8","1") = "9"
    & skf18("9","3","10","2","6","9","1") = "9"
    & skf18("9","3","10","2","6","10","1") = "9"
    & skf18("9","3","10","2","7","1","1") = "9"
    & skf18("9","3","10","2","7","2","1") = "9"
    & skf18("9","3","10","2","7","3","1") = "9"
    & skf18("9","3","10","2","7","4","1") = "9"
    & skf18("9","3","10","2","7","5","1") = "9"
    & skf18("9","3","10","2","7","6","1") = "9"
    & skf18("9","3","10","2","7","7","1") = "9"
    & skf18("9","3","10","2","7","8","1") = "9"
    & skf18("9","3","10","2","7","9","1") = "9"
    & skf18("9","3","10","2","7","10","1") = "9"
    & skf18("9","3","10","2","8","1","1") = "9"
    & skf18("9","3","10","2","8","2","1") = "9"
    & skf18("9","3","10","2","8","3","1") = "9"
    & skf18("9","3","10","2","8","4","1") = "9"
    & skf18("9","3","10","2","8","5","1") = "9"
    & skf18("9","3","10","2","8","6","1") = "9"
    & skf18("9","3","10","2","8","7","1") = "9"
    & skf18("9","3","10","2","8","8","1") = "9"
    & skf18("9","3","10","2","8","9","1") = "9"
    & skf18("9","3","10","2","8","10","1") = "9"
    & skf18("9","3","10","2","9","1","1") = "9"
    & skf18("9","3","10","2","9","2","1") = "9"
    & skf18("9","3","10","2","9","3","1") = "9"
    & skf18("9","3","10","2","9","4","1") = "9"
    & skf18("9","3","10","2","9","5","1") = "9"
    & skf18("9","3","10","2","9","6","1") = "9"
    & skf18("9","3","10","2","9","7","1") = "9"
    & skf18("9","3","10","2","9","8","1") = "9"
    & skf18("9","3","10","2","9","9","1") = "9"
    & skf18("9","3","10","2","9","10","1") = "9"
    & skf18("9","3","10","2","10","1","1") = "9"
    & skf18("9","3","10","2","10","2","1") = "9"
    & skf18("9","3","10","2","10","3","1") = "9"
    & skf18("9","3","10","2","10","4","1") = "9"
    & skf18("9","3","10","2","10","5","1") = "9"
    & skf18("9","3","10","2","10","6","1") = "9"
    & skf18("9","3","10","2","10","7","1") = "9"
    & skf18("9","3","10","2","10","8","1") = "9"
    & skf18("9","3","10","2","10","9","1") = "9"
    & skf18("9","3","10","2","10","10","1") = "9"
    & skf18("9","3","10","3","1","1","1") = "9"
    & skf18("9","3","10","3","1","2","1") = "9"
    & skf18("9","3","10","3","1","3","1") = "9"
    & skf18("9","3","10","3","1","4","1") = "9"
    & skf18("9","3","10","3","1","5","1") = "9"
    & skf18("9","3","10","3","1","6","1") = "9"
    & skf18("9","3","10","3","1","7","1") = "9"
    & skf18("9","3","10","3","1","8","1") = "9"
    & skf18("9","3","10","3","1","9","1") = "9"
    & skf18("9","3","10","3","1","10","1") = "9"
    & skf18("9","3","10","3","2","1","1") = "9"
    & skf18("9","3","10","3","2","2","1") = "9"
    & skf18("9","3","10","3","2","3","1") = "9"
    & skf18("9","3","10","3","2","4","1") = "9"
    & skf18("9","3","10","3","2","5","1") = "9"
    & skf18("9","3","10","3","2","6","1") = "9"
    & skf18("9","3","10","3","2","7","1") = "9"
    & skf18("9","3","10","3","2","8","1") = "9"
    & skf18("9","3","10","3","2","9","1") = "9"
    & skf18("9","3","10","3","2","10","1") = "9"
    & skf18("9","3","10","3","3","1","1") = "9"
    & skf18("9","3","10","3","3","2","1") = "9"
    & skf18("9","3","10","3","3","3","1") = "9"
    & skf18("9","3","10","3","3","4","1") = "9"
    & skf18("9","3","10","3","3","5","1") = "9"
    & skf18("9","3","10","3","3","6","1") = "9"
    & skf18("9","3","10","3","3","7","1") = "9"
    & skf18("9","3","10","3","3","8","1") = "9"
    & skf18("9","3","10","3","3","9","1") = "9"
    & skf18("9","3","10","3","3","10","1") = "9"
    & skf18("9","3","10","3","4","1","1") = "9"
    & skf18("9","3","10","3","4","2","1") = "9"
    & skf18("9","3","10","3","4","3","1") = "9"
    & skf18("9","3","10","3","4","4","1") = "9"
    & skf18("9","3","10","3","4","5","1") = "9"
    & skf18("9","3","10","3","4","6","1") = "9"
    & skf18("9","3","10","3","4","7","1") = "9"
    & skf18("9","3","10","3","4","8","1") = "9"
    & skf18("9","3","10","3","4","9","1") = "9"
    & skf18("9","3","10","3","4","10","1") = "9"
    & skf18("9","3","10","3","5","1","1") = "9"
    & skf18("9","3","10","3","5","2","1") = "9"
    & skf18("9","3","10","3","5","3","1") = "9"
    & skf18("9","3","10","3","5","4","1") = "9"
    & skf18("9","3","10","3","5","5","1") = "9"
    & skf18("9","3","10","3","5","6","1") = "9"
    & skf18("9","3","10","3","5","7","1") = "9"
    & skf18("9","3","10","3","5","8","1") = "9"
    & skf18("9","3","10","3","5","9","1") = "9"
    & skf18("9","3","10","3","5","10","1") = "9"
    & skf18("9","3","10","3","6","1","1") = "9"
    & skf18("9","3","10","3","6","2","1") = "9"
    & skf18("9","3","10","3","6","3","1") = "9"
    & skf18("9","3","10","3","6","4","1") = "9"
    & skf18("9","3","10","3","6","5","1") = "9"
    & skf18("9","3","10","3","6","6","1") = "9"
    & skf18("9","3","10","3","6","7","1") = "9"
    & skf18("9","3","10","3","6","8","1") = "9"
    & skf18("9","3","10","3","6","9","1") = "9"
    & skf18("9","3","10","3","6","10","1") = "9"
    & skf18("9","3","10","3","7","1","1") = "9"
    & skf18("9","3","10","3","7","2","1") = "9"
    & skf18("9","3","10","3","7","3","1") = "9"
    & skf18("9","3","10","3","7","4","1") = "9"
    & skf18("9","3","10","3","7","5","1") = "9"
    & skf18("9","3","10","3","7","6","1") = "9"
    & skf18("9","3","10","3","7","7","1") = "9"
    & skf18("9","3","10","3","7","8","1") = "9"
    & skf18("9","3","10","3","7","9","1") = "9"
    & skf18("9","3","10","3","7","10","1") = "9"
    & skf18("9","3","10","3","8","1","1") = "9"
    & skf18("9","3","10","3","8","2","1") = "9"
    & skf18("9","3","10","3","8","3","1") = "9"
    & skf18("9","3","10","3","8","4","1") = "9"
    & skf18("9","3","10","3","8","5","1") = "9"
    & skf18("9","3","10","3","8","6","1") = "9"
    & skf18("9","3","10","3","8","7","1") = "9"
    & skf18("9","3","10","3","8","8","1") = "9"
    & skf18("9","3","10","3","8","9","1") = "9"
    & skf18("9","3","10","3","8","10","1") = "9"
    & skf18("9","3","10","3","9","1","1") = "9"
    & skf18("9","3","10","3","9","2","1") = "9"
    & skf18("9","3","10","3","9","3","1") = "9"
    & skf18("9","3","10","3","9","4","1") = "9"
    & skf18("9","3","10","3","9","5","1") = "9"
    & skf18("9","3","10","3","9","6","1") = "9"
    & skf18("9","3","10","3","9","7","1") = "9"
    & skf18("9","3","10","3","9","8","1") = "9"
    & skf18("9","3","10","3","9","9","1") = "9"
    & skf18("9","3","10","3","9","10","1") = "9"
    & skf18("9","3","10","3","10","1","1") = "9"
    & skf18("9","3","10","3","10","2","1") = "9"
    & skf18("9","3","10","3","10","3","1") = "9"
    & skf18("9","3","10","3","10","4","1") = "9"
    & skf18("9","3","10","3","10","5","1") = "9"
    & skf18("9","3","10","3","10","6","1") = "9"
    & skf18("9","3","10","3","10","7","1") = "9"
    & skf18("9","3","10","3","10","8","1") = "9"
    & skf18("9","3","10","3","10","9","1") = "9"
    & skf18("9","3","10","3","10","10","1") = "9"
    & skf18("9","3","10","4","1","1","1") = "9"
    & skf18("9","3","10","4","1","2","1") = "9"
    & skf18("9","3","10","4","1","3","1") = "9"
    & skf18("9","3","10","4","1","4","1") = "9"
    & skf18("9","3","10","4","1","5","1") = "9"
    & skf18("9","3","10","4","1","6","1") = "9"
    & skf18("9","3","10","4","1","7","1") = "9"
    & skf18("9","3","10","4","1","8","1") = "9"
    & skf18("9","3","10","4","1","9","1") = "9"
    & skf18("9","3","10","4","1","10","1") = "9"
    & skf18("9","3","10","4","2","1","1") = "9"
    & skf18("9","3","10","4","2","2","1") = "9"
    & skf18("9","3","10","4","2","3","1") = "9"
    & skf18("9","3","10","4","2","4","1") = "9"
    & skf18("9","3","10","4","2","5","1") = "9"
    & skf18("9","3","10","4","2","6","1") = "9"
    & skf18("9","3","10","4","2","7","1") = "9"
    & skf18("9","3","10","4","2","8","1") = "9"
    & skf18("9","3","10","4","2","9","1") = "9"
    & skf18("9","3","10","4","2","10","1") = "9"
    & skf18("9","3","10","4","3","1","1") = "9"
    & skf18("9","3","10","4","3","2","1") = "9"
    & skf18("9","3","10","4","3","3","1") = "9"
    & skf18("9","3","10","4","3","4","1") = "9"
    & skf18("9","3","10","4","3","5","1") = "9"
    & skf18("9","3","10","4","3","6","1") = "9"
    & skf18("9","3","10","4","3","7","1") = "9"
    & skf18("9","3","10","4","3","8","1") = "9"
    & skf18("9","3","10","4","3","9","1") = "9"
    & skf18("9","3","10","4","3","10","1") = "9"
    & skf18("9","3","10","4","4","1","1") = "9"
    & skf18("9","3","10","4","4","2","1") = "9"
    & skf18("9","3","10","4","4","3","1") = "9"
    & skf18("9","3","10","4","4","4","1") = "9"
    & skf18("9","3","10","4","4","5","1") = "9"
    & skf18("9","3","10","4","4","6","1") = "9"
    & skf18("9","3","10","4","4","7","1") = "9"
    & skf18("9","3","10","4","4","8","1") = "9"
    & skf18("9","3","10","4","4","9","1") = "9"
    & skf18("9","3","10","4","4","10","1") = "9"
    & skf18("9","3","10","4","5","1","1") = "9"
    & skf18("9","3","10","4","5","2","1") = "9"
    & skf18("9","3","10","4","5","3","1") = "9"
    & skf18("9","3","10","4","5","4","1") = "9"
    & skf18("9","3","10","4","5","5","1") = "9"
    & skf18("9","3","10","4","5","6","1") = "9"
    & skf18("9","3","10","4","5","7","1") = "9"
    & skf18("9","3","10","4","5","8","1") = "9"
    & skf18("9","3","10","4","5","9","1") = "9"
    & skf18("9","3","10","4","5","10","1") = "9"
    & skf18("9","3","10","4","6","1","1") = "9"
    & skf18("9","3","10","4","6","2","1") = "9"
    & skf18("9","3","10","4","6","3","1") = "9"
    & skf18("9","3","10","4","6","4","1") = "9"
    & skf18("9","3","10","4","6","5","1") = "9"
    & skf18("9","3","10","4","6","6","1") = "9"
    & skf18("9","3","10","4","6","7","1") = "9"
    & skf18("9","3","10","4","6","8","1") = "9"
    & skf18("9","3","10","4","6","9","1") = "9"
    & skf18("9","3","10","4","6","10","1") = "9"
    & skf18("9","3","10","4","7","1","1") = "9"
    & skf18("9","3","10","4","7","2","1") = "9"
    & skf18("9","3","10","4","7","3","1") = "9"
    & skf18("9","3","10","4","7","4","1") = "9"
    & skf18("9","3","10","4","7","5","1") = "9"
    & skf18("9","3","10","4","7","6","1") = "9"
    & skf18("9","3","10","4","7","7","1") = "9"
    & skf18("9","3","10","4","7","8","1") = "9"
    & skf18("9","3","10","4","7","9","1") = "9"
    & skf18("9","3","10","4","7","10","1") = "9"
    & skf18("9","3","10","4","8","1","1") = "9"
    & skf18("9","3","10","4","8","2","1") = "9"
    & skf18("9","3","10","4","8","3","1") = "9"
    & skf18("9","3","10","4","8","4","1") = "9"
    & skf18("9","3","10","4","8","5","1") = "9"
    & skf18("9","3","10","4","8","6","1") = "9"
    & skf18("9","3","10","4","8","7","1") = "9"
    & skf18("9","3","10","4","8","8","1") = "9"
    & skf18("9","3","10","4","8","9","1") = "9"
    & skf18("9","3","10","4","8","10","1") = "9"
    & skf18("9","3","10","4","9","1","1") = "9"
    & skf18("9","3","10","4","9","2","1") = "9"
    & skf18("9","3","10","4","9","3","1") = "9"
    & skf18("9","3","10","4","9","4","1") = "9"
    & skf18("9","3","10","4","9","5","1") = "9"
    & skf18("9","3","10","4","9","6","1") = "9"
    & skf18("9","3","10","4","9","7","1") = "9"
    & skf18("9","3","10","4","9","8","1") = "9"
    & skf18("9","3","10","4","9","9","1") = "9"
    & skf18("9","3","10","4","9","10","1") = "9"
    & skf18("9","3","10","4","10","1","1") = "9"
    & skf18("9","3","10","4","10","2","1") = "9"
    & skf18("9","3","10","4","10","3","1") = "9"
    & skf18("9","3","10","4","10","4","1") = "9"
    & skf18("9","3","10","4","10","5","1") = "9"
    & skf18("9","3","10","4","10","6","1") = "9"
    & skf18("9","3","10","4","10","7","1") = "9"
    & skf18("9","3","10","4","10","8","1") = "9"
    & skf18("9","3","10","4","10","9","1") = "9"
    & skf18("9","3","10","4","10","10","1") = "9"
    & skf18("9","3","10","5","1","1","1") = "9"
    & skf18("9","3","10","5","1","2","1") = "9"
    & skf18("9","3","10","5","1","3","1") = "9"
    & skf18("9","3","10","5","1","4","1") = "9"
    & skf18("9","3","10","5","1","5","1") = "9"
    & skf18("9","3","10","5","1","6","1") = "9"
    & skf18("9","3","10","5","1","7","1") = "9"
    & skf18("9","3","10","5","1","8","1") = "9"
    & skf18("9","3","10","5","1","9","1") = "9"
    & skf18("9","3","10","5","1","10","1") = "9"
    & skf18("9","3","10","5","2","1","1") = "9"
    & skf18("9","3","10","5","2","2","1") = "9"
    & skf18("9","3","10","5","2","3","1") = "9"
    & skf18("9","3","10","5","2","4","1") = "9"
    & skf18("9","3","10","5","2","5","1") = "9"
    & skf18("9","3","10","5","2","6","1") = "9"
    & skf18("9","3","10","5","2","7","1") = "9"
    & skf18("9","3","10","5","2","8","1") = "9"
    & skf18("9","3","10","5","2","9","1") = "9"
    & skf18("9","3","10","5","2","10","1") = "9"
    & skf18("9","3","10","5","3","1","1") = "9"
    & skf18("9","3","10","5","3","2","1") = "9"
    & skf18("9","3","10","5","3","3","1") = "9"
    & skf18("9","3","10","5","3","4","1") = "9"
    & skf18("9","3","10","5","3","5","1") = "9"
    & skf18("9","3","10","5","3","6","1") = "9"
    & skf18("9","3","10","5","3","7","1") = "9"
    & skf18("9","3","10","5","3","8","1") = "9"
    & skf18("9","3","10","5","3","9","1") = "9"
    & skf18("9","3","10","5","3","10","1") = "9"
    & skf18("9","3","10","5","4","1","1") = "9"
    & skf18("9","3","10","5","4","2","1") = "9"
    & skf18("9","3","10","5","4","3","1") = "9"
    & skf18("9","3","10","5","4","4","1") = "9"
    & skf18("9","3","10","5","4","5","1") = "9"
    & skf18("9","3","10","5","4","6","1") = "9"
    & skf18("9","3","10","5","4","7","1") = "9"
    & skf18("9","3","10","5","4","8","1") = "9"
    & skf18("9","3","10","5","4","9","1") = "9"
    & skf18("9","3","10","5","4","10","1") = "9"
    & skf18("9","3","10","5","5","1","1") = "9"
    & skf18("9","3","10","5","5","2","1") = "9"
    & skf18("9","3","10","5","5","3","1") = "9"
    & skf18("9","3","10","5","5","4","1") = "9"
    & skf18("9","3","10","5","5","5","1") = "9"
    & skf18("9","3","10","5","5","6","1") = "9"
    & skf18("9","3","10","5","5","7","1") = "9"
    & skf18("9","3","10","5","5","8","1") = "9"
    & skf18("9","3","10","5","5","9","1") = "9"
    & skf18("9","3","10","5","5","10","1") = "9"
    & skf18("9","3","10","5","6","1","1") = "9"
    & skf18("9","3","10","5","6","2","1") = "9"
    & skf18("9","3","10","5","6","3","1") = "9"
    & skf18("9","3","10","5","6","4","1") = "9"
    & skf18("9","3","10","5","6","5","1") = "9"
    & skf18("9","3","10","5","6","6","1") = "9"
    & skf18("9","3","10","5","6","7","1") = "9"
    & skf18("9","3","10","5","6","8","1") = "9"
    & skf18("9","3","10","5","6","9","1") = "9"
    & skf18("9","3","10","5","6","10","1") = "9"
    & skf18("9","3","10","5","7","1","1") = "9"
    & skf18("9","3","10","5","7","2","1") = "9"
    & skf18("9","3","10","5","7","3","1") = "9"
    & skf18("9","3","10","5","7","4","1") = "9"
    & skf18("9","3","10","5","7","5","1") = "9"
    & skf18("9","3","10","5","7","6","1") = "9"
    & skf18("9","3","10","5","7","7","1") = "9"
    & skf18("9","3","10","5","7","8","1") = "9"
    & skf18("9","3","10","5","7","9","1") = "9"
    & skf18("9","3","10","5","7","10","1") = "9"
    & skf18("9","3","10","5","8","1","1") = "9"
    & skf18("9","3","10","5","8","2","1") = "9"
    & skf18("9","3","10","5","8","3","1") = "9"
    & skf18("9","3","10","5","8","4","1") = "9"
    & skf18("9","3","10","5","8","5","1") = "9"
    & skf18("9","3","10","5","8","6","1") = "9"
    & skf18("9","3","10","5","8","7","1") = "9"
    & skf18("9","3","10","5","8","8","1") = "9"
    & skf18("9","3","10","5","8","9","1") = "9"
    & skf18("9","3","10","5","8","10","1") = "9"
    & skf18("9","3","10","5","9","1","1") = "9"
    & skf18("9","3","10","5","9","2","1") = "9"
    & skf18("9","3","10","5","9","3","1") = "9"
    & skf18("9","3","10","5","9","4","1") = "9"
    & skf18("9","3","10","5","9","5","1") = "9"
    & skf18("9","3","10","5","9","6","1") = "9"
    & skf18("9","3","10","5","9","7","1") = "9"
    & skf18("9","3","10","5","9","8","1") = "9"
    & skf18("9","3","10","5","9","9","1") = "9"
    & skf18("9","3","10","5","9","10","1") = "9"
    & skf18("9","3","10","5","10","1","1") = "9"
    & skf18("9","3","10","5","10","2","1") = "9"
    & skf18("9","3","10","5","10","3","1") = "9"
    & skf18("9","3","10","5","10","4","1") = "9"
    & skf18("9","3","10","5","10","5","1") = "9"
    & skf18("9","3","10","5","10","6","1") = "9"
    & skf18("9","3","10","5","10","7","1") = "9"
    & skf18("9","3","10","5","10","8","1") = "9"
    & skf18("9","3","10","5","10","9","1") = "9"
    & skf18("9","3","10","5","10","10","1") = "9"
    & skf18("9","3","10","6","1","1","1") = "9"
    & skf18("9","3","10","6","1","2","1") = "9"
    & skf18("9","3","10","6","1","3","1") = "9"
    & skf18("9","3","10","6","1","4","1") = "9"
    & skf18("9","3","10","6","1","5","1") = "9"
    & skf18("9","3","10","6","1","6","1") = "9"
    & skf18("9","3","10","6","1","7","1") = "9"
    & skf18("9","3","10","6","1","8","1") = "9"
    & skf18("9","3","10","6","1","9","1") = "9"
    & skf18("9","3","10","6","1","10","1") = "9"
    & skf18("9","3","10","6","2","1","1") = "9"
    & skf18("9","3","10","6","2","2","1") = "9"
    & skf18("9","3","10","6","2","3","1") = "9"
    & skf18("9","3","10","6","2","4","1") = "9"
    & skf18("9","3","10","6","2","5","1") = "9"
    & skf18("9","3","10","6","2","6","1") = "9"
    & skf18("9","3","10","6","2","7","1") = "9"
    & skf18("9","3","10","6","2","8","1") = "9"
    & skf18("9","3","10","6","2","9","1") = "9"
    & skf18("9","3","10","6","2","10","1") = "9"
    & skf18("9","3","10","6","3","1","1") = "9"
    & skf18("9","3","10","6","3","2","1") = "9"
    & skf18("9","3","10","6","3","3","1") = "9"
    & skf18("9","3","10","6","3","4","1") = "9"
    & skf18("9","3","10","6","3","5","1") = "9"
    & skf18("9","3","10","6","3","6","1") = "9"
    & skf18("9","3","10","6","3","7","1") = "9"
    & skf18("9","3","10","6","3","8","1") = "9"
    & skf18("9","3","10","6","3","9","1") = "9"
    & skf18("9","3","10","6","3","10","1") = "9"
    & skf18("9","3","10","6","4","1","1") = "9"
    & skf18("9","3","10","6","4","2","1") = "9"
    & skf18("9","3","10","6","4","3","1") = "9"
    & skf18("9","3","10","6","4","4","1") = "9"
    & skf18("9","3","10","6","4","5","1") = "9"
    & skf18("9","3","10","6","4","6","1") = "9"
    & skf18("9","3","10","6","4","7","1") = "9"
    & skf18("9","3","10","6","4","8","1") = "9"
    & skf18("9","3","10","6","4","9","1") = "9"
    & skf18("9","3","10","6","4","10","1") = "9"
    & skf18("9","3","10","6","5","1","1") = "9"
    & skf18("9","3","10","6","5","2","1") = "9"
    & skf18("9","3","10","6","5","3","1") = "9"
    & skf18("9","3","10","6","5","4","1") = "9"
    & skf18("9","3","10","6","5","5","1") = "9"
    & skf18("9","3","10","6","5","6","1") = "9"
    & skf18("9","3","10","6","5","7","1") = "9"
    & skf18("9","3","10","6","5","8","1") = "9"
    & skf18("9","3","10","6","5","9","1") = "9"
    & skf18("9","3","10","6","5","10","1") = "9"
    & skf18("9","3","10","6","6","1","1") = "9"
    & skf18("9","3","10","6","6","2","1") = "9"
    & skf18("9","3","10","6","6","3","1") = "9"
    & skf18("9","3","10","6","6","4","1") = "9"
    & skf18("9","3","10","6","6","5","1") = "9"
    & skf18("9","3","10","6","6","6","1") = "9"
    & skf18("9","3","10","6","6","7","1") = "9"
    & skf18("9","3","10","6","6","8","1") = "9"
    & skf18("9","3","10","6","6","9","1") = "9"
    & skf18("9","3","10","6","6","10","1") = "9"
    & skf18("9","3","10","6","7","1","1") = "9"
    & skf18("9","3","10","6","7","2","1") = "9"
    & skf18("9","3","10","6","7","3","1") = "9"
    & skf18("9","3","10","6","7","4","1") = "9"
    & skf18("9","3","10","6","7","5","1") = "9"
    & skf18("9","3","10","6","7","6","1") = "9"
    & skf18("9","3","10","6","7","7","1") = "9"
    & skf18("9","3","10","6","7","8","1") = "9"
    & skf18("9","3","10","6","7","9","1") = "9"
    & skf18("9","3","10","6","7","10","1") = "9"
    & skf18("9","3","10","6","8","1","1") = "9"
    & skf18("9","3","10","6","8","2","1") = "9"
    & skf18("9","3","10","6","8","3","1") = "9"
    & skf18("9","3","10","6","8","4","1") = "9"
    & skf18("9","3","10","6","8","5","1") = "9"
    & skf18("9","3","10","6","8","6","1") = "9"
    & skf18("9","3","10","6","8","7","1") = "9"
    & skf18("9","3","10","6","8","8","1") = "9"
    & skf18("9","3","10","6","8","9","1") = "9"
    & skf18("9","3","10","6","8","10","1") = "9"
    & skf18("9","3","10","6","9","1","1") = "9"
    & skf18("9","3","10","6","9","2","1") = "9"
    & skf18("9","3","10","6","9","3","1") = "9"
    & skf18("9","3","10","6","9","4","1") = "9"
    & skf18("9","3","10","6","9","5","1") = "9"
    & skf18("9","3","10","6","9","6","1") = "9"
    & skf18("9","3","10","6","9","7","1") = "9"
    & skf18("9","3","10","6","9","8","1") = "9"
    & skf18("9","3","10","6","9","9","1") = "9"
    & skf18("9","3","10","6","9","10","1") = "9"
    & skf18("9","3","10","6","10","1","1") = "9"
    & skf18("9","3","10","6","10","2","1") = "9"
    & skf18("9","3","10","6","10","3","1") = "9"
    & skf18("9","3","10","6","10","4","1") = "9"
    & skf18("9","3","10","6","10","5","1") = "9"
    & skf18("9","3","10","6","10","6","1") = "9"
    & skf18("9","3","10","6","10","7","1") = "9"
    & skf18("9","3","10","6","10","8","1") = "9"
    & skf18("9","3","10","6","10","9","1") = "9"
    & skf18("9","3","10","6","10","10","1") = "9"
    & skf18("9","3","10","7","1","1","1") = "9"
    & skf18("9","3","10","7","1","2","1") = "9"
    & skf18("9","3","10","7","1","3","1") = "9"
    & skf18("9","3","10","7","1","4","1") = "9"
    & skf18("9","3","10","7","1","5","1") = "9"
    & skf18("9","3","10","7","1","6","1") = "9"
    & skf18("9","3","10","7","1","7","1") = "9"
    & skf18("9","3","10","7","1","8","1") = "9"
    & skf18("9","3","10","7","1","9","1") = "9"
    & skf18("9","3","10","7","1","10","1") = "9"
    & skf18("9","3","10","7","2","1","1") = "9"
    & skf18("9","3","10","7","2","2","1") = "9"
    & skf18("9","3","10","7","2","3","1") = "9"
    & skf18("9","3","10","7","2","4","1") = "9"
    & skf18("9","3","10","7","2","5","1") = "9"
    & skf18("9","3","10","7","2","6","1") = "9"
    & skf18("9","3","10","7","2","7","1") = "9"
    & skf18("9","3","10","7","2","8","1") = "9"
    & skf18("9","3","10","7","2","9","1") = "9"
    & skf18("9","3","10","7","2","10","1") = "9"
    & skf18("9","3","10","7","3","1","1") = "9"
    & skf18("9","3","10","7","3","2","1") = "9"
    & skf18("9","3","10","7","3","3","1") = "9"
    & skf18("9","3","10","7","3","4","1") = "9"
    & skf18("9","3","10","7","3","5","1") = "9"
    & skf18("9","3","10","7","3","6","1") = "9"
    & skf18("9","3","10","7","3","7","1") = "9"
    & skf18("9","3","10","7","3","8","1") = "9"
    & skf18("9","3","10","7","3","9","1") = "9"
    & skf18("9","3","10","7","3","10","1") = "9"
    & skf18("9","3","10","7","4","1","1") = "9"
    & skf18("9","3","10","7","4","2","1") = "9"
    & skf18("9","3","10","7","4","3","1") = "9"
    & skf18("9","3","10","7","4","4","1") = "9"
    & skf18("9","3","10","7","4","5","1") = "9"
    & skf18("9","3","10","7","4","6","1") = "9"
    & skf18("9","3","10","7","4","7","1") = "9"
    & skf18("9","3","10","7","4","8","1") = "9"
    & skf18("9","3","10","7","4","9","1") = "9"
    & skf18("9","3","10","7","4","10","1") = "9"
    & skf18("9","3","10","7","5","1","1") = "9"
    & skf18("9","3","10","7","5","2","1") = "9"
    & skf18("9","3","10","7","5","3","1") = "9"
    & skf18("9","3","10","7","5","4","1") = "9"
    & skf18("9","3","10","7","5","5","1") = "9"
    & skf18("9","3","10","7","5","6","1") = "9"
    & skf18("9","3","10","7","5","7","1") = "9"
    & skf18("9","3","10","7","5","8","1") = "9"
    & skf18("9","3","10","7","5","9","1") = "9"
    & skf18("9","3","10","7","5","10","1") = "9"
    & skf18("9","3","10","7","6","1","1") = "9"
    & skf18("9","3","10","7","6","2","1") = "9"
    & skf18("9","3","10","7","6","3","1") = "9"
    & skf18("9","3","10","7","6","4","1") = "9"
    & skf18("9","3","10","7","6","5","1") = "9"
    & skf18("9","3","10","7","6","6","1") = "9"
    & skf18("9","3","10","7","6","7","1") = "9"
    & skf18("9","3","10","7","6","8","1") = "9"
    & skf18("9","3","10","7","6","9","1") = "9"
    & skf18("9","3","10","7","6","10","1") = "9"
    & skf18("9","3","10","7","7","1","1") = "9"
    & skf18("9","3","10","7","7","2","1") = "9"
    & skf18("9","3","10","7","7","3","1") = "9"
    & skf18("9","3","10","7","7","4","1") = "9"
    & skf18("9","3","10","7","7","5","1") = "9"
    & skf18("9","3","10","7","7","6","1") = "9"
    & skf18("9","3","10","7","7","7","1") = "9"
    & skf18("9","3","10","7","7","8","1") = "9"
    & skf18("9","3","10","7","7","9","1") = "9"
    & skf18("9","3","10","7","7","10","1") = "9"
    & skf18("9","3","10","7","8","1","1") = "9"
    & skf18("9","3","10","7","8","2","1") = "9"
    & skf18("9","3","10","7","8","3","1") = "9"
    & skf18("9","3","10","7","8","4","1") = "9"
    & skf18("9","3","10","7","8","5","1") = "9"
    & skf18("9","3","10","7","8","6","1") = "9"
    & skf18("9","3","10","7","8","7","1") = "9"
    & skf18("9","3","10","7","8","8","1") = "9"
    & skf18("9","3","10","7","8","9","1") = "9"
    & skf18("9","3","10","7","8","10","1") = "9"
    & skf18("9","3","10","7","9","1","1") = "9"
    & skf18("9","3","10","7","9","2","1") = "9"
    & skf18("9","3","10","7","9","3","1") = "9"
    & skf18("9","3","10","7","9","4","1") = "9"
    & skf18("9","3","10","7","9","5","1") = "9"
    & skf18("9","3","10","7","9","6","1") = "9"
    & skf18("9","3","10","7","9","7","1") = "9"
    & skf18("9","3","10","7","9","8","1") = "9"
    & skf18("9","3","10","7","9","9","1") = "9"
    & skf18("9","3","10","7","9","10","1") = "9"
    & skf18("9","3","10","7","10","1","1") = "9"
    & skf18("9","3","10","7","10","2","1") = "9"
    & skf18("9","3","10","7","10","3","1") = "9"
    & skf18("9","3","10","7","10","4","1") = "9"
    & skf18("9","3","10","7","10","5","1") = "9"
    & skf18("9","3","10","7","10","6","1") = "9"
    & skf18("9","3","10","7","10","7","1") = "9"
    & skf18("9","3","10","7","10","8","1") = "9"
    & skf18("9","3","10","7","10","9","1") = "9"
    & skf18("9","3","10","7","10","10","1") = "9"
    & skf18("9","3","10","8","1","1","1") = "9"
    & skf18("9","3","10","8","1","2","1") = "9"
    & skf18("9","3","10","8","1","3","1") = "9"
    & skf18("9","3","10","8","1","4","1") = "9"
    & skf18("9","3","10","8","1","5","1") = "9"
    & skf18("9","3","10","8","1","6","1") = "9"
    & skf18("9","3","10","8","1","7","1") = "9"
    & skf18("9","3","10","8","1","8","1") = "9"
    & skf18("9","3","10","8","1","9","1") = "9"
    & skf18("9","3","10","8","1","10","1") = "9"
    & skf18("9","3","10","8","2","1","1") = "9"
    & skf18("9","3","10","8","2","2","1") = "9"
    & skf18("9","3","10","8","2","3","1") = "9"
    & skf18("9","3","10","8","2","4","1") = "9"
    & skf18("9","3","10","8","2","5","1") = "9"
    & skf18("9","3","10","8","2","6","1") = "9"
    & skf18("9","3","10","8","2","7","1") = "9"
    & skf18("9","3","10","8","2","8","1") = "9"
    & skf18("9","3","10","8","2","9","1") = "9"
    & skf18("9","3","10","8","2","10","1") = "9"
    & skf18("9","3","10","8","3","1","1") = "9"
    & skf18("9","3","10","8","3","2","1") = "9"
    & skf18("9","3","10","8","3","3","1") = "9"
    & skf18("9","3","10","8","3","4","1") = "9"
    & skf18("9","3","10","8","3","5","1") = "9"
    & skf18("9","3","10","8","3","6","1") = "9"
    & skf18("9","3","10","8","3","7","1") = "9"
    & skf18("9","3","10","8","3","8","1") = "9"
    & skf18("9","3","10","8","3","9","1") = "9"
    & skf18("9","3","10","8","3","10","1") = "9"
    & skf18("9","3","10","8","4","1","1") = "9"
    & skf18("9","3","10","8","4","2","1") = "9"
    & skf18("9","3","10","8","4","3","1") = "9"
    & skf18("9","3","10","8","4","4","1") = "9"
    & skf18("9","3","10","8","4","5","1") = "9"
    & skf18("9","3","10","8","4","6","1") = "9"
    & skf18("9","3","10","8","4","7","1") = "9"
    & skf18("9","3","10","8","4","8","1") = "9"
    & skf18("9","3","10","8","4","9","1") = "9"
    & skf18("9","3","10","8","4","10","1") = "9"
    & skf18("9","3","10","8","5","1","1") = "9"
    & skf18("9","3","10","8","5","2","1") = "9"
    & skf18("9","3","10","8","5","3","1") = "9"
    & skf18("9","3","10","8","5","4","1") = "9"
    & skf18("9","3","10","8","5","5","1") = "9"
    & skf18("9","3","10","8","5","6","1") = "9"
    & skf18("9","3","10","8","5","7","1") = "9"
    & skf18("9","3","10","8","5","8","1") = "9"
    & skf18("9","3","10","8","5","9","1") = "9"
    & skf18("9","3","10","8","5","10","1") = "9"
    & skf18("9","3","10","8","6","1","1") = "9"
    & skf18("9","3","10","8","6","2","1") = "9"
    & skf18("9","3","10","8","6","3","1") = "9"
    & skf18("9","3","10","8","6","4","1") = "9"
    & skf18("9","3","10","8","6","5","1") = "9"
    & skf18("9","3","10","8","6","6","1") = "9"
    & skf18("9","3","10","8","6","7","1") = "9"
    & skf18("9","3","10","8","6","8","1") = "9"
    & skf18("9","3","10","8","6","9","1") = "9"
    & skf18("9","3","10","8","6","10","1") = "9"
    & skf18("9","3","10","8","7","1","1") = "9"
    & skf18("9","3","10","8","7","2","1") = "9"
    & skf18("9","3","10","8","7","3","1") = "9"
    & skf18("9","3","10","8","7","4","1") = "9"
    & skf18("9","3","10","8","7","5","1") = "9"
    & skf18("9","3","10","8","7","6","1") = "9"
    & skf18("9","3","10","8","7","7","1") = "9"
    & skf18("9","3","10","8","7","8","1") = "9"
    & skf18("9","3","10","8","7","9","1") = "9"
    & skf18("9","3","10","8","7","10","1") = "9"
    & skf18("9","3","10","8","8","1","1") = "9"
    & skf18("9","3","10","8","8","2","1") = "9"
    & skf18("9","3","10","8","8","3","1") = "9"
    & skf18("9","3","10","8","8","4","1") = "9"
    & skf18("9","3","10","8","8","5","1") = "9"
    & skf18("9","3","10","8","8","6","1") = "9"
    & skf18("9","3","10","8","8","7","1") = "9"
    & skf18("9","3","10","8","8","8","1") = "9"
    & skf18("9","3","10","8","8","9","1") = "9"
    & skf18("9","3","10","8","8","10","1") = "9"
    & skf18("9","3","10","8","9","1","1") = "9"
    & skf18("9","3","10","8","9","2","1") = "9"
    & skf18("9","3","10","8","9","3","1") = "9"
    & skf18("9","3","10","8","9","4","1") = "9"
    & skf18("9","3","10","8","9","5","1") = "9"
    & skf18("9","3","10","8","9","6","1") = "9"
    & skf18("9","3","10","8","9","7","1") = "9"
    & skf18("9","3","10","8","9","8","1") = "9"
    & skf18("9","3","10","8","9","9","1") = "9"
    & skf18("9","3","10","8","9","10","1") = "9"
    & skf18("9","3","10","8","10","1","1") = "9"
    & skf18("9","3","10","8","10","2","1") = "9"
    & skf18("9","3","10","8","10","3","1") = "9"
    & skf18("9","3","10","8","10","4","1") = "9"
    & skf18("9","3","10","8","10","5","1") = "9"
    & skf18("9","3","10","8","10","6","1") = "9"
    & skf18("9","3","10","8","10","7","1") = "9"
    & skf18("9","3","10","8","10","8","1") = "9"
    & skf18("9","3","10","8","10","9","1") = "9"
    & skf18("9","3","10","8","10","10","1") = "9"
    & skf18("9","3","10","9","1","1","1") = "9"
    & skf18("9","3","10","9","1","2","1") = "9"
    & skf18("9","3","10","9","1","3","1") = "9"
    & skf18("9","3","10","9","1","4","1") = "9"
    & skf18("9","3","10","9","1","5","1") = "9"
    & skf18("9","3","10","9","1","6","1") = "9"
    & skf18("9","3","10","9","1","7","1") = "9"
    & skf18("9","3","10","9","1","8","1") = "9"
    & skf18("9","3","10","9","1","9","1") = "9"
    & skf18("9","3","10","9","1","10","1") = "9"
    & skf18("9","3","10","9","2","1","1") = "9"
    & skf18("9","3","10","9","2","2","1") = "9"
    & skf18("9","3","10","9","2","3","1") = "9"
    & skf18("9","3","10","9","2","4","1") = "9"
    & skf18("9","3","10","9","2","5","1") = "9"
    & skf18("9","3","10","9","2","6","1") = "9"
    & skf18("9","3","10","9","2","7","1") = "9"
    & skf18("9","3","10","9","2","8","1") = "9"
    & skf18("9","3","10","9","2","9","1") = "9"
    & skf18("9","3","10","9","2","10","1") = "9"
    & skf18("9","3","10","9","3","1","1") = "9"
    & skf18("9","3","10","9","3","2","1") = "9"
    & skf18("9","3","10","9","3","3","1") = "9"
    & skf18("9","3","10","9","3","4","1") = "9"
    & skf18("9","3","10","9","3","5","1") = "9"
    & skf18("9","3","10","9","3","6","1") = "9"
    & skf18("9","3","10","9","3","7","1") = "9"
    & skf18("9","3","10","9","3","8","1") = "9"
    & skf18("9","3","10","9","3","9","1") = "9"
    & skf18("9","3","10","9","3","10","1") = "9"
    & skf18("9","3","10","9","4","1","1") = "9"
    & skf18("9","3","10","9","4","2","1") = "9"
    & skf18("9","3","10","9","4","3","1") = "9"
    & skf18("9","3","10","9","4","4","1") = "9"
    & skf18("9","3","10","9","4","5","1") = "9"
    & skf18("9","3","10","9","4","6","1") = "9"
    & skf18("9","3","10","9","4","7","1") = "9"
    & skf18("9","3","10","9","4","8","1") = "9"
    & skf18("9","3","10","9","4","9","1") = "9"
    & skf18("9","3","10","9","4","10","1") = "9"
    & skf18("9","3","10","9","5","1","1") = "9"
    & skf18("9","3","10","9","5","2","1") = "9"
    & skf18("9","3","10","9","5","3","1") = "9"
    & skf18("9","3","10","9","5","4","1") = "9"
    & skf18("9","3","10","9","5","5","1") = "9"
    & skf18("9","3","10","9","5","6","1") = "9"
    & skf18("9","3","10","9","5","7","1") = "9"
    & skf18("9","3","10","9","5","8","1") = "9"
    & skf18("9","3","10","9","5","9","1") = "9"
    & skf18("9","3","10","9","5","10","1") = "9"
    & skf18("9","3","10","9","6","1","1") = "9"
    & skf18("9","3","10","9","6","2","1") = "9"
    & skf18("9","3","10","9","6","3","1") = "9"
    & skf18("9","3","10","9","6","4","1") = "9"
    & skf18("9","3","10","9","6","5","1") = "9"
    & skf18("9","3","10","9","6","6","1") = "9"
    & skf18("9","3","10","9","6","7","1") = "9"
    & skf18("9","3","10","9","6","8","1") = "9"
    & skf18("9","3","10","9","6","9","1") = "9"
    & skf18("9","3","10","9","6","10","1") = "9"
    & skf18("9","3","10","9","7","1","1") = "9"
    & skf18("9","3","10","9","7","2","1") = "9"
    & skf18("9","3","10","9","7","3","1") = "9"
    & skf18("9","3","10","9","7","4","1") = "9"
    & skf18("9","3","10","9","7","5","1") = "9"
    & skf18("9","3","10","9","7","6","1") = "9"
    & skf18("9","3","10","9","7","7","1") = "9"
    & skf18("9","3","10","9","7","8","1") = "9"
    & skf18("9","3","10","9","7","9","1") = "9"
    & skf18("9","3","10","9","7","10","1") = "9"
    & skf18("9","3","10","9","8","1","1") = "9"
    & skf18("9","3","10","9","8","2","1") = "9"
    & skf18("9","3","10","9","8","3","1") = "9"
    & skf18("9","3","10","9","8","4","1") = "9"
    & skf18("9","3","10","9","8","5","1") = "9"
    & skf18("9","3","10","9","8","6","1") = "9"
    & skf18("9","3","10","9","8","7","1") = "9"
    & skf18("9","3","10","9","8","8","1") = "9"
    & skf18("9","3","10","9","8","9","1") = "9"
    & skf18("9","3","10","9","8","10","1") = "9"
    & skf18("9","3","10","9","9","1","1") = "9"
    & skf18("9","3","10","9","9","2","1") = "9"
    & skf18("9","3","10","9","9","3","1") = "9"
    & skf18("9","3","10","9","9","4","1") = "9"
    & skf18("9","3","10","9","9","5","1") = "9"
    & skf18("9","3","10","9","9","6","1") = "9"
    & skf18("9","3","10","9","9","7","1") = "9"
    & skf18("9","3","10","9","9","8","1") = "9"
    & skf18("9","3","10","9","9","9","1") = "9"
    & skf18("9","3","10","9","9","10","1") = "9"
    & skf18("9","3","10","9","10","1","1") = "9"
    & skf18("9","3","10","9","10","2","1") = "9"
    & skf18("9","3","10","9","10","3","1") = "9"
    & skf18("9","3","10","9","10","4","1") = "9"
    & skf18("9","3","10","9","10","5","1") = "9"
    & skf18("9","3","10","9","10","6","1") = "9"
    & skf18("9","3","10","9","10","7","1") = "9"
    & skf18("9","3","10","9","10","8","1") = "9"
    & skf18("9","3","10","9","10","9","1") = "9"
    & skf18("9","3","10","9","10","10","1") = "9"
    & skf18("9","3","10","10","1","1","1") = "9"
    & skf18("9","3","10","10","1","2","1") = "9"
    & skf18("9","3","10","10","1","3","1") = "9"
    & skf18("9","3","10","10","1","4","1") = "9"
    & skf18("9","3","10","10","1","5","1") = "9"
    & skf18("9","3","10","10","1","6","1") = "9"
    & skf18("9","3","10","10","1","7","1") = "9"
    & skf18("9","3","10","10","1","8","1") = "9"
    & skf18("9","3","10","10","1","9","1") = "9"
    & skf18("9","3","10","10","1","10","1") = "9"
    & skf18("9","3","10","10","2","1","1") = "9"
    & skf18("9","3","10","10","2","2","1") = "9"
    & skf18("9","3","10","10","2","3","1") = "9"
    & skf18("9","3","10","10","2","4","1") = "9"
    & skf18("9","3","10","10","2","5","1") = "9"
    & skf18("9","3","10","10","2","6","1") = "9"
    & skf18("9","3","10","10","2","7","1") = "9"
    & skf18("9","3","10","10","2","8","1") = "9"
    & skf18("9","3","10","10","2","9","1") = "9"
    & skf18("9","3","10","10","2","10","1") = "9"
    & skf18("9","3","10","10","3","1","1") = "9"
    & skf18("9","3","10","10","3","2","1") = "9"
    & skf18("9","3","10","10","3","3","1") = "9"
    & skf18("9","3","10","10","3","4","1") = "9"
    & skf18("9","3","10","10","3","5","1") = "9"
    & skf18("9","3","10","10","3","6","1") = "9"
    & skf18("9","3","10","10","3","7","1") = "9"
    & skf18("9","3","10","10","3","8","1") = "9"
    & skf18("9","3","10","10","3","9","1") = "9"
    & skf18("9","3","10","10","3","10","1") = "9"
    & skf18("9","3","10","10","4","1","1") = "9"
    & skf18("9","3","10","10","4","2","1") = "9"
    & skf18("9","3","10","10","4","3","1") = "9"
    & skf18("9","3","10","10","4","4","1") = "9"
    & skf18("9","3","10","10","4","5","1") = "9"
    & skf18("9","3","10","10","4","6","1") = "9"
    & skf18("9","3","10","10","4","7","1") = "9"
    & skf18("9","3","10","10","4","8","1") = "9"
    & skf18("9","3","10","10","4","9","1") = "9"
    & skf18("9","3","10","10","4","10","1") = "9"
    & skf18("9","3","10","10","5","1","1") = "9"
    & skf18("9","3","10","10","5","2","1") = "9"
    & skf18("9","3","10","10","5","3","1") = "9"
    & skf18("9","3","10","10","5","4","1") = "9"
    & skf18("9","3","10","10","5","5","1") = "9"
    & skf18("9","3","10","10","5","6","1") = "9"
    & skf18("9","3","10","10","5","7","1") = "9"
    & skf18("9","3","10","10","5","8","1") = "9"
    & skf18("9","3","10","10","5","9","1") = "9"
    & skf18("9","3","10","10","5","10","1") = "9"
    & skf18("9","3","10","10","6","1","1") = "9"
    & skf18("9","3","10","10","6","2","1") = "9"
    & skf18("9","3","10","10","6","3","1") = "9"
    & skf18("9","3","10","10","6","4","1") = "9"
    & skf18("9","3","10","10","6","5","1") = "9"
    & skf18("9","3","10","10","6","6","1") = "9"
    & skf18("9","3","10","10","6","7","1") = "9"
    & skf18("9","3","10","10","6","8","1") = "9"
    & skf18("9","3","10","10","6","9","1") = "9"
    & skf18("9","3","10","10","6","10","1") = "9"
    & skf18("9","3","10","10","7","1","1") = "9"
    & skf18("9","3","10","10","7","2","1") = "9"
    & skf18("9","3","10","10","7","3","1") = "9"
    & skf18("9","3","10","10","7","4","1") = "9"
    & skf18("9","3","10","10","7","5","1") = "9"
    & skf18("9","3","10","10","7","6","1") = "9"
    & skf18("9","3","10","10","7","7","1") = "9"
    & skf18("9","3","10","10","7","8","1") = "9"
    & skf18("9","3","10","10","7","9","1") = "9"
    & skf18("9","3","10","10","7","10","1") = "9"
    & skf18("9","3","10","10","8","1","1") = "9"
    & skf18("9","3","10","10","8","2","1") = "9"
    & skf18("9","3","10","10","8","3","1") = "9"
    & skf18("9","3","10","10","8","4","1") = "9"
    & skf18("9","3","10","10","8","5","1") = "9"
    & skf18("9","3","10","10","8","6","1") = "9"
    & skf18("9","3","10","10","8","7","1") = "9"
    & skf18("9","3","10","10","8","8","1") = "9"
    & skf18("9","3","10","10","8","9","1") = "9"
    & skf18("9","3","10","10","8","10","1") = "9"
    & skf18("9","3","10","10","9","1","1") = "9"
    & skf18("9","3","10","10","9","2","1") = "9"
    & skf18("9","3","10","10","9","3","1") = "9"
    & skf18("9","3","10","10","9","4","1") = "9"
    & skf18("9","3","10","10","9","5","1") = "9"
    & skf18("9","3","10","10","9","6","1") = "9"
    & skf18("9","3","10","10","9","7","1") = "9"
    & skf18("9","3","10","10","9","8","1") = "9"
    & skf18("9","3","10","10","9","9","1") = "9"
    & skf18("9","3","10","10","9","10","1") = "9"
    & skf18("9","3","10","10","10","1","1") = "9"
    & skf18("9","3","10","10","10","2","1") = "9"
    & skf18("9","3","10","10","10","3","1") = "9"
    & skf18("9","3","10","10","10","4","1") = "9"
    & skf18("9","3","10","10","10","5","1") = "9"
    & skf18("9","3","10","10","10","6","1") = "9"
    & skf18("9","3","10","10","10","7","1") = "9"
    & skf18("9","3","10","10","10","8","1") = "9"
    & skf18("9","3","10","10","10","9","1") = "9"
    & skf18("9","3","10","10","10","10","1") = "9"
    & skf18("9","4","1","1","1","1","1") = "8"
    & skf18("9","4","1","1","1","2","1") = "8"
    & skf18("9","4","1","1","1","3","1") = "8"
    & skf18("9","4","1","1","1","4","1") = "8"
    & skf18("9","4","1","1","1","5","1") = "8"
    & skf18("9","4","1","1","1","6","1") = "8"
    & skf18("9","4","1","1","1","7","1") = "8"
    & skf18("9","4","1","1","1","8","1") = "8"
    & skf18("9","4","1","1","1","9","1") = "8"
    & skf18("9","4","1","1","1","10","1") = "9"
    & skf18("9","4","1","1","2","1","1") = "8"
    & skf18("9","4","1","1","2","2","1") = "8"
    & skf18("9","4","1","1","2","3","1") = "8"
    & skf18("9","4","1","1","2","4","1") = "8"
    & skf18("9","4","1","1","2","5","1") = "8"
    & skf18("9","4","1","1","2","6","1") = "8"
    & skf18("9","4","1","1","2","7","1") = "8"
    & skf18("9","4","1","1","2","8","1") = "8"
    & skf18("9","4","1","1","2","9","1") = "8"
    & skf18("9","4","1","1","2","10","1") = "9"
    & skf18("9","4","1","1","3","1","1") = "8"
    & skf18("9","4","1","1","3","2","1") = "8"
    & skf18("9","4","1","1","3","3","1") = "8"
    & skf18("9","4","1","1","3","4","1") = "8"
    & skf18("9","4","1","1","3","5","1") = "8"
    & skf18("9","4","1","1","3","6","1") = "8"
    & skf18("9","4","1","1","3","7","1") = "8"
    & skf18("9","4","1","1","3","8","1") = "8"
    & skf18("9","4","1","1","3","9","1") = "8"
    & skf18("9","4","1","1","3","10","1") = "9"
    & skf18("9","4","1","1","4","1","1") = "8"
    & skf18("9","4","1","1","4","2","1") = "8"
    & skf18("9","4","1","1","4","3","1") = "8"
    & skf18("9","4","1","1","4","4","1") = "8"
    & skf18("9","4","1","1","4","5","1") = "8"
    & skf18("9","4","1","1","4","6","1") = "8"
    & skf18("9","4","1","1","4","7","1") = "8"
    & skf18("9","4","1","1","4","8","1") = "8"
    & skf18("9","4","1","1","4","9","1") = "8"
    & skf18("9","4","1","1","4","10","1") = "9"
    & skf18("9","4","1","1","5","1","1") = "8"
    & skf18("9","4","1","1","5","2","1") = "8"
    & skf18("9","4","1","1","5","3","1") = "8"
    & skf18("9","4","1","1","5","4","1") = "8"
    & skf18("9","4","1","1","5","5","1") = "8"
    & skf18("9","4","1","1","5","6","1") = "8"
    & skf18("9","4","1","1","5","7","1") = "8"
    & skf18("9","4","1","1","5","8","1") = "8"
    & skf18("9","4","1","1","5","9","1") = "8"
    & skf18("9","4","1","1","5","10","1") = "9"
    & skf18("9","4","1","1","6","1","1") = "8"
    & skf18("9","4","1","1","6","2","1") = "8"
    & skf18("9","4","1","1","6","3","1") = "8"
    & skf18("9","4","1","1","6","4","1") = "8"
    & skf18("9","4","1","1","6","5","1") = "8"
    & skf18("9","4","1","1","6","6","1") = "8"
    & skf18("9","4","1","1","6","7","1") = "8"
    & skf18("9","4","1","1","6","8","1") = "8"
    & skf18("9","4","1","1","6","9","1") = "8"
    & skf18("9","4","1","1","6","10","1") = "9"
    & skf18("9","4","1","1","7","1","1") = "8"
    & skf18("9","4","1","1","7","2","1") = "8"
    & skf18("9","4","1","1","7","3","1") = "8"
    & skf18("9","4","1","1","7","4","1") = "8"
    & skf18("9","4","1","1","7","5","1") = "8"
    & skf18("9","4","1","1","7","6","1") = "8"
    & skf18("9","4","1","1","7","7","1") = "8"
    & skf18("9","4","1","1","7","8","1") = "8"
    & skf18("9","4","1","1","7","9","1") = "8"
    & skf18("9","4","1","1","7","10","1") = "9"
    & skf18("9","4","1","1","8","1","1") = "8"
    & skf18("9","4","1","1","8","2","1") = "8"
    & skf18("9","4","1","1","8","3","1") = "8"
    & skf18("9","4","1","1","8","4","1") = "8"
    & skf18("9","4","1","1","8","5","1") = "8"
    & skf18("9","4","1","1","8","6","1") = "8"
    & skf18("9","4","1","1","8","7","1") = "8"
    & skf18("9","4","1","1","8","8","1") = "8"
    & skf18("9","4","1","1","8","9","1") = "8"
    & skf18("9","4","1","1","8","10","1") = "9"
    & skf18("9","4","1","1","9","1","1") = "8"
    & skf18("9","4","1","1","9","2","1") = "8"
    & skf18("9","4","1","1","9","3","1") = "8"
    & skf18("9","4","1","1","9","4","1") = "8"
    & skf18("9","4","1","1","9","5","1") = "8"
    & skf18("9","4","1","1","9","6","1") = "8"
    & skf18("9","4","1","1","9","7","1") = "8"
    & skf18("9","4","1","1","9","8","1") = "8"
    & skf18("9","4","1","1","9","9","1") = "8"
    & skf18("9","4","1","1","9","10","1") = "9"
    & skf18("9","4","1","1","10","1","1") = "9"
    & skf18("9","4","1","1","10","2","1") = "9"
    & skf18("9","4","1","1","10","3","1") = "9"
    & skf18("9","4","1","1","10","4","1") = "9"
    & skf18("9","4","1","1","10","5","1") = "9"
    & skf18("9","4","1","1","10","6","1") = "9"
    & skf18("9","4","1","1","10","7","1") = "9"
    & skf18("9","4","1","1","10","8","1") = "9"
    & skf18("9","4","1","1","10","9","1") = "9"
    & skf18("9","4","1","1","10","10","1") = "9"
    & skf18("9","4","1","2","1","1","1") = "8"
    & skf18("9","4","1","2","1","2","1") = "8"
    & skf18("9","4","1","2","1","3","1") = "8"
    & skf18("9","4","1","2","1","4","1") = "8"
    & skf18("9","4","1","2","1","5","1") = "8"
    & skf18("9","4","1","2","1","6","1") = "8"
    & skf18("9","4","1","2","1","7","1") = "8"
    & skf18("9","4","1","2","1","8","1") = "8"
    & skf18("9","4","1","2","1","9","1") = "8"
    & skf18("9","4","1","2","1","10","1") = "9"
    & skf18("9","4","1","2","2","1","1") = "8"
    & skf18("9","4","1","2","2","2","1") = "8"
    & skf18("9","4","1","2","2","3","1") = "8"
    & skf18("9","4","1","2","2","4","1") = "8"
    & skf18("9","4","1","2","2","5","1") = "8"
    & skf18("9","4","1","2","2","6","1") = "8"
    & skf18("9","4","1","2","2","7","1") = "8"
    & skf18("9","4","1","2","2","8","1") = "8"
    & skf18("9","4","1","2","2","9","1") = "8"
    & skf18("9","4","1","2","2","10","1") = "9"
    & skf18("9","4","1","2","3","1","1") = "8"
    & skf18("9","4","1","2","3","2","1") = "8"
    & skf18("9","4","1","2","3","3","1") = "8"
    & skf18("9","4","1","2","3","4","1") = "8"
    & skf18("9","4","1","2","3","5","1") = "8"
    & skf18("9","4","1","2","3","6","1") = "8"
    & skf18("9","4","1","2","3","7","1") = "8"
    & skf18("9","4","1","2","3","8","1") = "8"
    & skf18("9","4","1","2","3","9","1") = "8"
    & skf18("9","4","1","2","3","10","1") = "9"
    & skf18("9","4","1","2","4","1","1") = "8"
    & skf18("9","4","1","2","4","2","1") = "8"
    & skf18("9","4","1","2","4","3","1") = "8"
    & skf18("9","4","1","2","4","4","1") = "8"
    & skf18("9","4","1","2","4","5","1") = "8"
    & skf18("9","4","1","2","4","6","1") = "8"
    & skf18("9","4","1","2","4","7","1") = "8"
    & skf18("9","4","1","2","4","8","1") = "8"
    & skf18("9","4","1","2","4","9","1") = "8"
    & skf18("9","4","1","2","4","10","1") = "9"
    & skf18("9","4","1","2","5","1","1") = "8"
    & skf18("9","4","1","2","5","2","1") = "8"
    & skf18("9","4","1","2","5","3","1") = "8"
    & skf18("9","4","1","2","5","4","1") = "8"
    & skf18("9","4","1","2","5","5","1") = "8"
    & skf18("9","4","1","2","5","6","1") = "8"
    & skf18("9","4","1","2","5","7","1") = "8"
    & skf18("9","4","1","2","5","8","1") = "8"
    & skf18("9","4","1","2","5","9","1") = "8"
    & skf18("9","4","1","2","5","10","1") = "9"
    & skf18("9","4","1","2","6","1","1") = "8"
    & skf18("9","4","1","2","6","2","1") = "8"
    & skf18("9","4","1","2","6","3","1") = "8"
    & skf18("9","4","1","2","6","4","1") = "8"
    & skf18("9","4","1","2","6","5","1") = "8"
    & skf18("9","4","1","2","6","6","1") = "8"
    & skf18("9","4","1","2","6","7","1") = "8"
    & skf18("9","4","1","2","6","8","1") = "8"
    & skf18("9","4","1","2","6","9","1") = "8"
    & skf18("9","4","1","2","6","10","1") = "9"
    & skf18("9","4","1","2","7","1","1") = "8"
    & skf18("9","4","1","2","7","2","1") = "8"
    & skf18("9","4","1","2","7","3","1") = "8"
    & skf18("9","4","1","2","7","4","1") = "8"
    & skf18("9","4","1","2","7","5","1") = "8"
    & skf18("9","4","1","2","7","6","1") = "8"
    & skf18("9","4","1","2","7","7","1") = "8"
    & skf18("9","4","1","2","7","8","1") = "8"
    & skf18("9","4","1","2","7","9","1") = "8"
    & skf18("9","4","1","2","7","10","1") = "9"
    & skf18("9","4","1","2","8","1","1") = "8"
    & skf18("9","4","1","2","8","2","1") = "8"
    & skf18("9","4","1","2","8","3","1") = "8"
    & skf18("9","4","1","2","8","4","1") = "8"
    & skf18("9","4","1","2","8","5","1") = "8"
    & skf18("9","4","1","2","8","6","1") = "8"
    & skf18("9","4","1","2","8","7","1") = "8"
    & skf18("9","4","1","2","8","8","1") = "8"
    & skf18("9","4","1","2","8","9","1") = "8"
    & skf18("9","4","1","2","8","10","1") = "9"
    & skf18("9","4","1","2","9","1","1") = "8"
    & skf18("9","4","1","2","9","2","1") = "8"
    & skf18("9","4","1","2","9","3","1") = "8"
    & skf18("9","4","1","2","9","4","1") = "8"
    & skf18("9","4","1","2","9","5","1") = "8"
    & skf18("9","4","1","2","9","6","1") = "8"
    & skf18("9","4","1","2","9","7","1") = "8"
    & skf18("9","4","1","2","9","8","1") = "8"
    & skf18("9","4","1","2","9","9","1") = "8"
    & skf18("9","4","1","2","9","10","1") = "9"
    & skf18("9","4","1","2","10","1","1") = "9"
    & skf18("9","4","1","2","10","2","1") = "9"
    & skf18("9","4","1","2","10","3","1") = "9"
    & skf18("9","4","1","2","10","4","1") = "9"
    & skf18("9","4","1","2","10","5","1") = "9"
    & skf18("9","4","1","2","10","6","1") = "9"
    & skf18("9","4","1","2","10","7","1") = "9"
    & skf18("9","4","1","2","10","8","1") = "9"
    & skf18("9","4","1","2","10","9","1") = "9"
    & skf18("9","4","1","2","10","10","1") = "9"
    & skf18("9","4","1","3","1","1","1") = "8"
    & skf18("9","4","1","3","1","2","1") = "8"
    & skf18("9","4","1","3","1","3","1") = "8"
    & skf18("9","4","1","3","1","4","1") = "8"
    & skf18("9","4","1","3","1","5","1") = "8"
    & skf18("9","4","1","3","1","6","1") = "8"
    & skf18("9","4","1","3","1","7","1") = "8"
    & skf18("9","4","1","3","1","8","1") = "8"
    & skf18("9","4","1","3","1","9","1") = "8"
    & skf18("9","4","1","3","1","10","1") = "9"
    & skf18("9","4","1","3","2","1","1") = "8"
    & skf18("9","4","1","3","2","2","1") = "8"
    & skf18("9","4","1","3","2","3","1") = "8"
    & skf18("9","4","1","3","2","4","1") = "8"
    & skf18("9","4","1","3","2","5","1") = "8"
    & skf18("9","4","1","3","2","6","1") = "8"
    & skf18("9","4","1","3","2","7","1") = "8"
    & skf18("9","4","1","3","2","8","1") = "8"
    & skf18("9","4","1","3","2","9","1") = "8"
    & skf18("9","4","1","3","2","10","1") = "9"
    & skf18("9","4","1","3","3","1","1") = "8"
    & skf18("9","4","1","3","3","2","1") = "8"
    & skf18("9","4","1","3","3","3","1") = "8"
    & skf18("9","4","1","3","3","4","1") = "8"
    & skf18("9","4","1","3","3","5","1") = "8"
    & skf18("9","4","1","3","3","6","1") = "8"
    & skf18("9","4","1","3","3","7","1") = "8"
    & skf18("9","4","1","3","3","8","1") = "8"
    & skf18("9","4","1","3","3","9","1") = "8"
    & skf18("9","4","1","3","3","10","1") = "9"
    & skf18("9","4","1","3","4","1","1") = "8"
    & skf18("9","4","1","3","4","2","1") = "8"
    & skf18("9","4","1","3","4","3","1") = "8"
    & skf18("9","4","1","3","4","4","1") = "8"
    & skf18("9","4","1","3","4","5","1") = "8"
    & skf18("9","4","1","3","4","6","1") = "8"
    & skf18("9","4","1","3","4","7","1") = "8"
    & skf18("9","4","1","3","4","8","1") = "8"
    & skf18("9","4","1","3","4","9","1") = "8"
    & skf18("9","4","1","3","4","10","1") = "9"
    & skf18("9","4","1","3","5","1","1") = "8"
    & skf18("9","4","1","3","5","2","1") = "8"
    & skf18("9","4","1","3","5","3","1") = "8"
    & skf18("9","4","1","3","5","4","1") = "8"
    & skf18("9","4","1","3","5","5","1") = "8"
    & skf18("9","4","1","3","5","6","1") = "8"
    & skf18("9","4","1","3","5","7","1") = "8"
    & skf18("9","4","1","3","5","8","1") = "8"
    & skf18("9","4","1","3","5","9","1") = "8"
    & skf18("9","4","1","3","5","10","1") = "9"
    & skf18("9","4","1","3","6","1","1") = "8"
    & skf18("9","4","1","3","6","2","1") = "8"
    & skf18("9","4","1","3","6","3","1") = "8"
    & skf18("9","4","1","3","6","4","1") = "8"
    & skf18("9","4","1","3","6","5","1") = "8"
    & skf18("9","4","1","3","6","6","1") = "8"
    & skf18("9","4","1","3","6","7","1") = "8"
    & skf18("9","4","1","3","6","8","1") = "8"
    & skf18("9","4","1","3","6","9","1") = "8"
    & skf18("9","4","1","3","6","10","1") = "9"
    & skf18("9","4","1","3","7","1","1") = "8"
    & skf18("9","4","1","3","7","2","1") = "8"
    & skf18("9","4","1","3","7","3","1") = "8"
    & skf18("9","4","1","3","7","4","1") = "8"
    & skf18("9","4","1","3","7","5","1") = "8"
    & skf18("9","4","1","3","7","6","1") = "8"
    & skf18("9","4","1","3","7","7","1") = "8"
    & skf18("9","4","1","3","7","8","1") = "8"
    & skf18("9","4","1","3","7","9","1") = "8"
    & skf18("9","4","1","3","7","10","1") = "9"
    & skf18("9","4","1","3","8","1","1") = "8"
    & skf18("9","4","1","3","8","2","1") = "8"
    & skf18("9","4","1","3","8","3","1") = "8"
    & skf18("9","4","1","3","8","4","1") = "8"
    & skf18("9","4","1","3","8","5","1") = "8"
    & skf18("9","4","1","3","8","6","1") = "8"
    & skf18("9","4","1","3","8","7","1") = "8"
    & skf18("9","4","1","3","8","8","1") = "8"
    & skf18("9","4","1","3","8","9","1") = "8"
    & skf18("9","4","1","3","8","10","1") = "9"
    & skf18("9","4","1","3","9","1","1") = "8"
    & skf18("9","4","1","3","9","2","1") = "8"
    & skf18("9","4","1","3","9","3","1") = "8"
    & skf18("9","4","1","3","9","4","1") = "8"
    & skf18("9","4","1","3","9","5","1") = "8"
    & skf18("9","4","1","3","9","6","1") = "8"
    & skf18("9","4","1","3","9","7","1") = "8"
    & skf18("9","4","1","3","9","8","1") = "8"
    & skf18("9","4","1","3","9","9","1") = "8"
    & skf18("9","4","1","3","9","10","1") = "9"
    & skf18("9","4","1","3","10","1","1") = "9"
    & skf18("9","4","1","3","10","2","1") = "9"
    & skf18("9","4","1","3","10","3","1") = "9"
    & skf18("9","4","1","3","10","4","1") = "9"
    & skf18("9","4","1","3","10","5","1") = "9"
    & skf18("9","4","1","3","10","6","1") = "9"
    & skf18("9","4","1","3","10","7","1") = "9"
    & skf18("9","4","1","3","10","8","1") = "9"
    & skf18("9","4","1","3","10","9","1") = "9"
    & skf18("9","4","1","3","10","10","1") = "9"
    & skf18("9","4","1","4","1","1","1") = "8"
    & skf18("9","4","1","4","1","2","1") = "8"
    & skf18("9","4","1","4","1","3","1") = "8"
    & skf18("9","4","1","4","1","4","1") = "8"
    & skf18("9","4","1","4","1","5","1") = "8"
    & skf18("9","4","1","4","1","6","1") = "8"
    & skf18("9","4","1","4","1","7","1") = "8"
    & skf18("9","4","1","4","1","8","1") = "8"
    & skf18("9","4","1","4","1","9","1") = "8"
    & skf18("9","4","1","4","1","10","1") = "9"
    & skf18("9","4","1","4","2","1","1") = "8"
    & skf18("9","4","1","4","2","2","1") = "8"
    & skf18("9","4","1","4","2","3","1") = "8"
    & skf18("9","4","1","4","2","4","1") = "8"
    & skf18("9","4","1","4","2","5","1") = "8"
    & skf18("9","4","1","4","2","6","1") = "8"
    & skf18("9","4","1","4","2","7","1") = "8"
    & skf18("9","4","1","4","2","8","1") = "8"
    & skf18("9","4","1","4","2","9","1") = "8"
    & skf18("9","4","1","4","2","10","1") = "9"
    & skf18("9","4","1","4","3","1","1") = "8"
    & skf18("9","4","1","4","3","2","1") = "8"
    & skf18("9","4","1","4","3","3","1") = "8"
    & skf18("9","4","1","4","3","4","1") = "8"
    & skf18("9","4","1","4","3","5","1") = "8"
    & skf18("9","4","1","4","3","6","1") = "8"
    & skf18("9","4","1","4","3","7","1") = "8"
    & skf18("9","4","1","4","3","8","1") = "8"
    & skf18("9","4","1","4","3","9","1") = "8"
    & skf18("9","4","1","4","3","10","1") = "9"
    & skf18("9","4","1","4","4","1","1") = "8"
    & skf18("9","4","1","4","4","2","1") = "8"
    & skf18("9","4","1","4","4","3","1") = "8"
    & skf18("9","4","1","4","4","4","1") = "8"
    & skf18("9","4","1","4","4","5","1") = "8"
    & skf18("9","4","1","4","4","6","1") = "8"
    & skf18("9","4","1","4","4","7","1") = "8"
    & skf18("9","4","1","4","4","8","1") = "8"
    & skf18("9","4","1","4","4","9","1") = "8"
    & skf18("9","4","1","4","4","10","1") = "9"
    & skf18("9","4","1","4","5","1","1") = "8"
    & skf18("9","4","1","4","5","2","1") = "8"
    & skf18("9","4","1","4","5","3","1") = "8"
    & skf18("9","4","1","4","5","4","1") = "8"
    & skf18("9","4","1","4","5","5","1") = "8"
    & skf18("9","4","1","4","5","6","1") = "8"
    & skf18("9","4","1","4","5","7","1") = "8"
    & skf18("9","4","1","4","5","8","1") = "8"
    & skf18("9","4","1","4","5","9","1") = "8"
    & skf18("9","4","1","4","5","10","1") = "9"
    & skf18("9","4","1","4","6","1","1") = "8"
    & skf18("9","4","1","4","6","2","1") = "8"
    & skf18("9","4","1","4","6","3","1") = "8"
    & skf18("9","4","1","4","6","4","1") = "8"
    & skf18("9","4","1","4","6","5","1") = "8"
    & skf18("9","4","1","4","6","6","1") = "8"
    & skf18("9","4","1","4","6","7","1") = "8"
    & skf18("9","4","1","4","6","8","1") = "8"
    & skf18("9","4","1","4","6","9","1") = "8"
    & skf18("9","4","1","4","6","10","1") = "9"
    & skf18("9","4","1","4","7","1","1") = "8"
    & skf18("9","4","1","4","7","2","1") = "8"
    & skf18("9","4","1","4","7","3","1") = "8"
    & skf18("9","4","1","4","7","4","1") = "8"
    & skf18("9","4","1","4","7","5","1") = "8"
    & skf18("9","4","1","4","7","6","1") = "8"
    & skf18("9","4","1","4","7","7","1") = "8"
    & skf18("9","4","1","4","7","8","1") = "8"
    & skf18("9","4","1","4","7","9","1") = "8"
    & skf18("9","4","1","4","7","10","1") = "9"
    & skf18("9","4","1","4","8","1","1") = "8"
    & skf18("9","4","1","4","8","2","1") = "8"
    & skf18("9","4","1","4","8","3","1") = "8"
    & skf18("9","4","1","4","8","4","1") = "8"
    & skf18("9","4","1","4","8","5","1") = "8"
    & skf18("9","4","1","4","8","6","1") = "8"
    & skf18("9","4","1","4","8","7","1") = "8"
    & skf18("9","4","1","4","8","8","1") = "8"
    & skf18("9","4","1","4","8","9","1") = "8"
    & skf18("9","4","1","4","8","10","1") = "9"
    & skf18("9","4","1","4","9","1","1") = "8"
    & skf18("9","4","1","4","9","2","1") = "8"
    & skf18("9","4","1","4","9","3","1") = "8"
    & skf18("9","4","1","4","9","4","1") = "8"
    & skf18("9","4","1","4","9","5","1") = "8"
    & skf18("9","4","1","4","9","6","1") = "8"
    & skf18("9","4","1","4","9","7","1") = "8"
    & skf18("9","4","1","4","9","8","1") = "8"
    & skf18("9","4","1","4","9","9","1") = "8"
    & skf18("9","4","1","4","9","10","1") = "9"
    & skf18("9","4","1","4","10","1","1") = "9"
    & skf18("9","4","1","4","10","2","1") = "9"
    & skf18("9","4","1","4","10","3","1") = "9"
    & skf18("9","4","1","4","10","4","1") = "9"
    & skf18("9","4","1","4","10","5","1") = "9"
    & skf18("9","4","1","4","10","6","1") = "9"
    & skf18("9","4","1","4","10","7","1") = "9"
    & skf18("9","4","1","4","10","8","1") = "9"
    & skf18("9","4","1","4","10","9","1") = "9"
    & skf18("9","4","1","4","10","10","1") = "9"
    & skf18("9","4","1","5","1","1","1") = "8"
    & skf18("9","4","1","5","1","2","1") = "8"
    & skf18("9","4","1","5","1","3","1") = "8"
    & skf18("9","4","1","5","1","4","1") = "8"
    & skf18("9","4","1","5","1","5","1") = "8"
    & skf18("9","4","1","5","1","6","1") = "8"
    & skf18("9","4","1","5","1","7","1") = "8"
    & skf18("9","4","1","5","1","8","1") = "8"
    & skf18("9","4","1","5","1","9","1") = "8"
    & skf18("9","4","1","5","1","10","1") = "9"
    & skf18("9","4","1","5","2","1","1") = "8"
    & skf18("9","4","1","5","2","2","1") = "8"
    & skf18("9","4","1","5","2","3","1") = "8"
    & skf18("9","4","1","5","2","4","1") = "8"
    & skf18("9","4","1","5","2","5","1") = "8"
    & skf18("9","4","1","5","2","6","1") = "8"
    & skf18("9","4","1","5","2","7","1") = "8"
    & skf18("9","4","1","5","2","8","1") = "8"
    & skf18("9","4","1","5","2","9","1") = "8"
    & skf18("9","4","1","5","2","10","1") = "9"
    & skf18("9","4","1","5","3","1","1") = "8"
    & skf18("9","4","1","5","3","2","1") = "8"
    & skf18("9","4","1","5","3","3","1") = "8"
    & skf18("9","4","1","5","3","4","1") = "8"
    & skf18("9","4","1","5","3","5","1") = "8"
    & skf18("9","4","1","5","3","6","1") = "8"
    & skf18("9","4","1","5","3","7","1") = "8"
    & skf18("9","4","1","5","3","8","1") = "8"
    & skf18("9","4","1","5","3","9","1") = "8"
    & skf18("9","4","1","5","3","10","1") = "9"
    & skf18("9","4","1","5","4","1","1") = "8"
    & skf18("9","4","1","5","4","2","1") = "8"
    & skf18("9","4","1","5","4","3","1") = "8"
    & skf18("9","4","1","5","4","4","1") = "8"
    & skf18("9","4","1","5","4","5","1") = "8"
    & skf18("9","4","1","5","4","6","1") = "8"
    & skf18("9","4","1","5","4","7","1") = "8"
    & skf18("9","4","1","5","4","8","1") = "8"
    & skf18("9","4","1","5","4","9","1") = "8"
    & skf18("9","4","1","5","4","10","1") = "9"
    & skf18("9","4","1","5","5","1","1") = "8"
    & skf18("9","4","1","5","5","2","1") = "8"
    & skf18("9","4","1","5","5","3","1") = "8"
    & skf18("9","4","1","5","5","4","1") = "8"
    & skf18("9","4","1","5","5","5","1") = "8"
    & skf18("9","4","1","5","5","6","1") = "8"
    & skf18("9","4","1","5","5","7","1") = "8"
    & skf18("9","4","1","5","5","8","1") = "8"
    & skf18("9","4","1","5","5","9","1") = "8"
    & skf18("9","4","1","5","5","10","1") = "9"
    & skf18("9","4","1","5","6","1","1") = "8"
    & skf18("9","4","1","5","6","2","1") = "8"
    & skf18("9","4","1","5","6","3","1") = "8"
    & skf18("9","4","1","5","6","4","1") = "8"
    & skf18("9","4","1","5","6","5","1") = "8"
    & skf18("9","4","1","5","6","6","1") = "8"
    & skf18("9","4","1","5","6","7","1") = "8"
    & skf18("9","4","1","5","6","8","1") = "8"
    & skf18("9","4","1","5","6","9","1") = "8"
    & skf18("9","4","1","5","6","10","1") = "9"
    & skf18("9","4","1","5","7","1","1") = "8"
    & skf18("9","4","1","5","7","2","1") = "8"
    & skf18("9","4","1","5","7","3","1") = "8"
    & skf18("9","4","1","5","7","4","1") = "8"
    & skf18("9","4","1","5","7","5","1") = "8"
    & skf18("9","4","1","5","7","6","1") = "8"
    & skf18("9","4","1","5","7","7","1") = "8"
    & skf18("9","4","1","5","7","8","1") = "8"
    & skf18("9","4","1","5","7","9","1") = "8"
    & skf18("9","4","1","5","7","10","1") = "9"
    & skf18("9","4","1","5","8","1","1") = "8"
    & skf18("9","4","1","5","8","2","1") = "8"
    & skf18("9","4","1","5","8","3","1") = "8"
    & skf18("9","4","1","5","8","4","1") = "8"
    & skf18("9","4","1","5","8","5","1") = "8"
    & skf18("9","4","1","5","8","6","1") = "8"
    & skf18("9","4","1","5","8","7","1") = "8"
    & skf18("9","4","1","5","8","8","1") = "8"
    & skf18("9","4","1","5","8","9","1") = "8"
    & skf18("9","4","1","5","8","10","1") = "9"
    & skf18("9","4","1","5","9","1","1") = "8"
    & skf18("9","4","1","5","9","2","1") = "8"
    & skf18("9","4","1","5","9","3","1") = "8"
    & skf18("9","4","1","5","9","4","1") = "8"
    & skf18("9","4","1","5","9","5","1") = "8"
    & skf18("9","4","1","5","9","6","1") = "8"
    & skf18("9","4","1","5","9","7","1") = "8"
    & skf18("9","4","1","5","9","8","1") = "8"
    & skf18("9","4","1","5","9","9","1") = "8"
    & skf18("9","4","1","5","9","10","1") = "9"
    & skf18("9","4","1","5","10","1","1") = "9"
    & skf18("9","4","1","5","10","2","1") = "9"
    & skf18("9","4","1","5","10","3","1") = "9"
    & skf18("9","4","1","5","10","4","1") = "9"
    & skf18("9","4","1","5","10","5","1") = "9"
    & skf18("9","4","1","5","10","6","1") = "9"
    & skf18("9","4","1","5","10","7","1") = "9"
    & skf18("9","4","1","5","10","8","1") = "9"
    & skf18("9","4","1","5","10","9","1") = "9"
    & skf18("9","4","1","5","10","10","1") = "9"
    & skf18("9","4","1","6","1","1","1") = "8"
    & skf18("9","4","1","6","1","2","1") = "8"
    & skf18("9","4","1","6","1","3","1") = "8"
    & skf18("9","4","1","6","1","4","1") = "8"
    & skf18("9","4","1","6","1","5","1") = "8"
    & skf18("9","4","1","6","1","6","1") = "8"
    & skf18("9","4","1","6","1","7","1") = "8"
    & skf18("9","4","1","6","1","8","1") = "8"
    & skf18("9","4","1","6","1","9","1") = "8"
    & skf18("9","4","1","6","1","10","1") = "9"
    & skf18("9","4","1","6","2","1","1") = "8"
    & skf18("9","4","1","6","2","2","1") = "8"
    & skf18("9","4","1","6","2","3","1") = "8"
    & skf18("9","4","1","6","2","4","1") = "8"
    & skf18("9","4","1","6","2","5","1") = "8"
    & skf18("9","4","1","6","2","6","1") = "8"
    & skf18("9","4","1","6","2","7","1") = "8"
    & skf18("9","4","1","6","2","8","1") = "8"
    & skf18("9","4","1","6","2","9","1") = "8"
    & skf18("9","4","1","6","2","10","1") = "9"
    & skf18("9","4","1","6","3","1","1") = "8"
    & skf18("9","4","1","6","3","2","1") = "8"
    & skf18("9","4","1","6","3","3","1") = "8"
    & skf18("9","4","1","6","3","4","1") = "8"
    & skf18("9","4","1","6","3","5","1") = "8"
    & skf18("9","4","1","6","3","6","1") = "8"
    & skf18("9","4","1","6","3","7","1") = "8"
    & skf18("9","4","1","6","3","8","1") = "8"
    & skf18("9","4","1","6","3","9","1") = "8"
    & skf18("9","4","1","6","3","10","1") = "9"
    & skf18("9","4","1","6","4","1","1") = "8"
    & skf18("9","4","1","6","4","2","1") = "8"
    & skf18("9","4","1","6","4","3","1") = "8"
    & skf18("9","4","1","6","4","4","1") = "8"
    & skf18("9","4","1","6","4","5","1") = "8"
    & skf18("9","4","1","6","4","6","1") = "8"
    & skf18("9","4","1","6","4","7","1") = "8"
    & skf18("9","4","1","6","4","8","1") = "8"
    & skf18("9","4","1","6","4","9","1") = "8"
    & skf18("9","4","1","6","4","10","1") = "9"
    & skf18("9","4","1","6","5","1","1") = "8"
    & skf18("9","4","1","6","5","2","1") = "8"
    & skf18("9","4","1","6","5","3","1") = "8"
    & skf18("9","4","1","6","5","4","1") = "8"
    & skf18("9","4","1","6","5","5","1") = "8"
    & skf18("9","4","1","6","5","6","1") = "8"
    & skf18("9","4","1","6","5","7","1") = "8"
    & skf18("9","4","1","6","5","8","1") = "8"
    & skf18("9","4","1","6","5","9","1") = "8"
    & skf18("9","4","1","6","5","10","1") = "9"
    & skf18("9","4","1","6","6","1","1") = "8"
    & skf18("9","4","1","6","6","2","1") = "8"
    & skf18("9","4","1","6","6","3","1") = "8"
    & skf18("9","4","1","6","6","4","1") = "8"
    & skf18("9","4","1","6","6","5","1") = "8"
    & skf18("9","4","1","6","6","6","1") = "8"
    & skf18("9","4","1","6","6","7","1") = "8"
    & skf18("9","4","1","6","6","8","1") = "8"
    & skf18("9","4","1","6","6","9","1") = "8"
    & skf18("9","4","1","6","6","10","1") = "9"
    & skf18("9","4","1","6","7","1","1") = "8"
    & skf18("9","4","1","6","7","2","1") = "8"
    & skf18("9","4","1","6","7","3","1") = "8"
    & skf18("9","4","1","6","7","4","1") = "8"
    & skf18("9","4","1","6","7","5","1") = "8"
    & skf18("9","4","1","6","7","6","1") = "8"
    & skf18("9","4","1","6","7","7","1") = "8"
    & skf18("9","4","1","6","7","8","1") = "8"
    & skf18("9","4","1","6","7","9","1") = "8"
    & skf18("9","4","1","6","7","10","1") = "9"
    & skf18("9","4","1","6","8","1","1") = "8"
    & skf18("9","4","1","6","8","2","1") = "8"
    & skf18("9","4","1","6","8","3","1") = "8"
    & skf18("9","4","1","6","8","4","1") = "8"
    & skf18("9","4","1","6","8","5","1") = "8"
    & skf18("9","4","1","6","8","6","1") = "8"
    & skf18("9","4","1","6","8","7","1") = "8"
    & skf18("9","4","1","6","8","8","1") = "8"
    & skf18("9","4","1","6","8","9","1") = "8"
    & skf18("9","4","1","6","8","10","1") = "9"
    & skf18("9","4","1","6","9","1","1") = "8"
    & skf18("9","4","1","6","9","2","1") = "8"
    & skf18("9","4","1","6","9","3","1") = "8"
    & skf18("9","4","1","6","9","4","1") = "8"
    & skf18("9","4","1","6","9","5","1") = "8"
    & skf18("9","4","1","6","9","6","1") = "8"
    & skf18("9","4","1","6","9","7","1") = "8"
    & skf18("9","4","1","6","9","8","1") = "8"
    & skf18("9","4","1","6","9","9","1") = "8"
    & skf18("9","4","1","6","9","10","1") = "9"
    & skf18("9","4","1","6","10","1","1") = "9"
    & skf18("9","4","1","6","10","2","1") = "9"
    & skf18("9","4","1","6","10","3","1") = "9"
    & skf18("9","4","1","6","10","4","1") = "9"
    & skf18("9","4","1","6","10","5","1") = "9"
    & skf18("9","4","1","6","10","6","1") = "9"
    & skf18("9","4","1","6","10","7","1") = "9"
    & skf18("9","4","1","6","10","8","1") = "9"
    & skf18("9","4","1","6","10","9","1") = "9"
    & skf18("9","4","1","6","10","10","1") = "9"
    & skf18("9","4","1","7","1","1","1") = "8"
    & skf18("9","4","1","7","1","2","1") = "8"
    & skf18("9","4","1","7","1","3","1") = "8"
    & skf18("9","4","1","7","1","4","1") = "8"
    & skf18("9","4","1","7","1","5","1") = "8"
    & skf18("9","4","1","7","1","6","1") = "8"
    & skf18("9","4","1","7","1","7","1") = "8"
    & skf18("9","4","1","7","1","8","1") = "8"
    & skf18("9","4","1","7","1","9","1") = "8"
    & skf18("9","4","1","7","1","10","1") = "9"
    & skf18("9","4","1","7","2","1","1") = "8"
    & skf18("9","4","1","7","2","2","1") = "8"
    & skf18("9","4","1","7","2","3","1") = "8"
    & skf18("9","4","1","7","2","4","1") = "8"
    & skf18("9","4","1","7","2","5","1") = "8"
    & skf18("9","4","1","7","2","6","1") = "8"
    & skf18("9","4","1","7","2","7","1") = "8"
    & skf18("9","4","1","7","2","8","1") = "8"
    & skf18("9","4","1","7","2","9","1") = "8"
    & skf18("9","4","1","7","2","10","1") = "9"
    & skf18("9","4","1","7","3","1","1") = "8"
    & skf18("9","4","1","7","3","2","1") = "8"
    & skf18("9","4","1","7","3","3","1") = "8"
    & skf18("9","4","1","7","3","4","1") = "8"
    & skf18("9","4","1","7","3","5","1") = "8"
    & skf18("9","4","1","7","3","6","1") = "8"
    & skf18("9","4","1","7","3","7","1") = "8"
    & skf18("9","4","1","7","3","8","1") = "8"
    & skf18("9","4","1","7","3","9","1") = "8"
    & skf18("9","4","1","7","3","10","1") = "9"
    & skf18("9","4","1","7","4","1","1") = "8"
    & skf18("9","4","1","7","4","2","1") = "8"
    & skf18("9","4","1","7","4","3","1") = "8"
    & skf18("9","4","1","7","4","4","1") = "8"
    & skf18("9","4","1","7","4","5","1") = "8"
    & skf18("9","4","1","7","4","6","1") = "8"
    & skf18("9","4","1","7","4","7","1") = "8"
    & skf18("9","4","1","7","4","8","1") = "8"
    & skf18("9","4","1","7","4","9","1") = "8"
    & skf18("9","4","1","7","4","10","1") = "9"
    & skf18("9","4","1","7","5","1","1") = "8"
    & skf18("9","4","1","7","5","2","1") = "8"
    & skf18("9","4","1","7","5","3","1") = "8"
    & skf18("9","4","1","7","5","4","1") = "8"
    & skf18("9","4","1","7","5","5","1") = "8"
    & skf18("9","4","1","7","5","6","1") = "8"
    & skf18("9","4","1","7","5","7","1") = "8"
    & skf18("9","4","1","7","5","8","1") = "8"
    & skf18("9","4","1","7","5","9","1") = "8"
    & skf18("9","4","1","7","5","10","1") = "9"
    & skf18("9","4","1","7","6","1","1") = "8"
    & skf18("9","4","1","7","6","2","1") = "8"
    & skf18("9","4","1","7","6","3","1") = "8"
    & skf18("9","4","1","7","6","4","1") = "8"
    & skf18("9","4","1","7","6","5","1") = "8"
    & skf18("9","4","1","7","6","6","1") = "8"
    & skf18("9","4","1","7","6","7","1") = "8"
    & skf18("9","4","1","7","6","8","1") = "8"
    & skf18("9","4","1","7","6","9","1") = "8"
    & skf18("9","4","1","7","6","10","1") = "9"
    & skf18("9","4","1","7","7","1","1") = "8"
    & skf18("9","4","1","7","7","2","1") = "8"
    & skf18("9","4","1","7","7","3","1") = "8"
    & skf18("9","4","1","7","7","4","1") = "8"
    & skf18("9","4","1","7","7","5","1") = "8"
    & skf18("9","4","1","7","7","6","1") = "8"
    & skf18("9","4","1","7","7","7","1") = "8"
    & skf18("9","4","1","7","7","8","1") = "8"
    & skf18("9","4","1","7","7","9","1") = "8"
    & skf18("9","4","1","7","7","10","1") = "9"
    & skf18("9","4","1","7","8","1","1") = "8"
    & skf18("9","4","1","7","8","2","1") = "8"
    & skf18("9","4","1","7","8","3","1") = "8"
    & skf18("9","4","1","7","8","4","1") = "8"
    & skf18("9","4","1","7","8","5","1") = "8"
    & skf18("9","4","1","7","8","6","1") = "8"
    & skf18("9","4","1","7","8","7","1") = "8"
    & skf18("9","4","1","7","8","8","1") = "8"
    & skf18("9","4","1","7","8","9","1") = "8"
    & skf18("9","4","1","7","8","10","1") = "9"
    & skf18("9","4","1","7","9","1","1") = "8"
    & skf18("9","4","1","7","9","2","1") = "8"
    & skf18("9","4","1","7","9","3","1") = "8"
    & skf18("9","4","1","7","9","4","1") = "8"
    & skf18("9","4","1","7","9","5","1") = "8"
    & skf18("9","4","1","7","9","6","1") = "8"
    & skf18("9","4","1","7","9","7","1") = "8"
    & skf18("9","4","1","7","9","8","1") = "8"
    & skf18("9","4","1","7","9","9","1") = "8"
    & skf18("9","4","1","7","9","10","1") = "9"
    & skf18("9","4","1","7","10","1","1") = "9"
    & skf18("9","4","1","7","10","2","1") = "9"
    & skf18("9","4","1","7","10","3","1") = "9"
    & skf18("9","4","1","7","10","4","1") = "9"
    & skf18("9","4","1","7","10","5","1") = "9"
    & skf18("9","4","1","7","10","6","1") = "9"
    & skf18("9","4","1","7","10","7","1") = "9"
    & skf18("9","4","1","7","10","8","1") = "9"
    & skf18("9","4","1","7","10","9","1") = "9"
    & skf18("9","4","1","7","10","10","1") = "9"
    & skf18("9","4","1","8","1","1","1") = "8"
    & skf18("9","4","1","8","1","2","1") = "8"
    & skf18("9","4","1","8","1","3","1") = "8"
    & skf18("9","4","1","8","1","4","1") = "8"
    & skf18("9","4","1","8","1","5","1") = "8"
    & skf18("9","4","1","8","1","6","1") = "8"
    & skf18("9","4","1","8","1","7","1") = "8"
    & skf18("9","4","1","8","1","8","1") = "8"
    & skf18("9","4","1","8","1","9","1") = "8"
    & skf18("9","4","1","8","1","10","1") = "9"
    & skf18("9","4","1","8","2","1","1") = "8"
    & skf18("9","4","1","8","2","2","1") = "8"
    & skf18("9","4","1","8","2","3","1") = "8"
    & skf18("9","4","1","8","2","4","1") = "8"
    & skf18("9","4","1","8","2","5","1") = "8"
    & skf18("9","4","1","8","2","6","1") = "8"
    & skf18("9","4","1","8","2","7","1") = "8"
    & skf18("9","4","1","8","2","8","1") = "8"
    & skf18("9","4","1","8","2","9","1") = "8"
    & skf18("9","4","1","8","2","10","1") = "9"
    & skf18("9","4","1","8","3","1","1") = "8"
    & skf18("9","4","1","8","3","2","1") = "8"
    & skf18("9","4","1","8","3","3","1") = "8"
    & skf18("9","4","1","8","3","4","1") = "8"
    & skf18("9","4","1","8","3","5","1") = "8"
    & skf18("9","4","1","8","3","6","1") = "8"
    & skf18("9","4","1","8","3","7","1") = "8"
    & skf18("9","4","1","8","3","8","1") = "8"
    & skf18("9","4","1","8","3","9","1") = "8"
    & skf18("9","4","1","8","3","10","1") = "9"
    & skf18("9","4","1","8","4","1","1") = "8"
    & skf18("9","4","1","8","4","2","1") = "8"
    & skf18("9","4","1","8","4","3","1") = "8"
    & skf18("9","4","1","8","4","4","1") = "8"
    & skf18("9","4","1","8","4","5","1") = "8"
    & skf18("9","4","1","8","4","6","1") = "8"
    & skf18("9","4","1","8","4","7","1") = "8"
    & skf18("9","4","1","8","4","8","1") = "8"
    & skf18("9","4","1","8","4","9","1") = "8"
    & skf18("9","4","1","8","4","10","1") = "9"
    & skf18("9","4","1","8","5","1","1") = "8"
    & skf18("9","4","1","8","5","2","1") = "8"
    & skf18("9","4","1","8","5","3","1") = "8"
    & skf18("9","4","1","8","5","4","1") = "8"
    & skf18("9","4","1","8","5","5","1") = "8"
    & skf18("9","4","1","8","5","6","1") = "8"
    & skf18("9","4","1","8","5","7","1") = "8"
    & skf18("9","4","1","8","5","8","1") = "8"
    & skf18("9","4","1","8","5","9","1") = "8"
    & skf18("9","4","1","8","5","10","1") = "9"
    & skf18("9","4","1","8","6","1","1") = "8"
    & skf18("9","4","1","8","6","2","1") = "8"
    & skf18("9","4","1","8","6","3","1") = "8"
    & skf18("9","4","1","8","6","4","1") = "8"
    & skf18("9","4","1","8","6","5","1") = "8"
    & skf18("9","4","1","8","6","6","1") = "8"
    & skf18("9","4","1","8","6","7","1") = "8"
    & skf18("9","4","1","8","6","8","1") = "8"
    & skf18("9","4","1","8","6","9","1") = "8"
    & skf18("9","4","1","8","6","10","1") = "9"
    & skf18("9","4","1","8","7","1","1") = "8"
    & skf18("9","4","1","8","7","2","1") = "8"
    & skf18("9","4","1","8","7","3","1") = "8"
    & skf18("9","4","1","8","7","4","1") = "8"
    & skf18("9","4","1","8","7","5","1") = "8"
    & skf18("9","4","1","8","7","6","1") = "8"
    & skf18("9","4","1","8","7","7","1") = "8"
    & skf18("9","4","1","8","7","8","1") = "8"
    & skf18("9","4","1","8","7","9","1") = "8"
    & skf18("9","4","1","8","7","10","1") = "9"
    & skf18("9","4","1","8","8","1","1") = "8"
    & skf18("9","4","1","8","8","2","1") = "8"
    & skf18("9","4","1","8","8","3","1") = "8"
    & skf18("9","4","1","8","8","4","1") = "8"
    & skf18("9","4","1","8","8","5","1") = "8"
    & skf18("9","4","1","8","8","6","1") = "8"
    & skf18("9","4","1","8","8","7","1") = "8"
    & skf18("9","4","1","8","8","8","1") = "8"
    & skf18("9","4","1","8","8","9","1") = "8"
    & skf18("9","4","1","8","8","10","1") = "9"
    & skf18("9","4","1","8","9","1","1") = "8"
    & skf18("9","4","1","8","9","2","1") = "8"
    & skf18("9","4","1","8","9","3","1") = "8"
    & skf18("9","4","1","8","9","4","1") = "8"
    & skf18("9","4","1","8","9","5","1") = "8"
    & skf18("9","4","1","8","9","6","1") = "8"
    & skf18("9","4","1","8","9","7","1") = "8"
    & skf18("9","4","1","8","9","8","1") = "8"
    & skf18("9","4","1","8","9","9","1") = "8"
    & skf18("9","4","1","8","9","10","1") = "9"
    & skf18("9","4","1","8","10","1","1") = "9"
    & skf18("9","4","1","8","10","2","1") = "9"
    & skf18("9","4","1","8","10","3","1") = "9"
    & skf18("9","4","1","8","10","4","1") = "9"
    & skf18("9","4","1","8","10","5","1") = "9"
    & skf18("9","4","1","8","10","6","1") = "9"
    & skf18("9","4","1","8","10","7","1") = "9"
    & skf18("9","4","1","8","10","8","1") = "9"
    & skf18("9","4","1","8","10","9","1") = "9"
    & skf18("9","4","1","8","10","10","1") = "9"
    & skf18("9","4","1","9","1","1","1") = "8"
    & skf18("9","4","1","9","1","2","1") = "8"
    & skf18("9","4","1","9","1","3","1") = "8"
    & skf18("9","4","1","9","1","4","1") = "8"
    & skf18("9","4","1","9","1","5","1") = "8"
    & skf18("9","4","1","9","1","6","1") = "8"
    & skf18("9","4","1","9","1","7","1") = "8"
    & skf18("9","4","1","9","1","8","1") = "8"
    & skf18("9","4","1","9","1","9","1") = "8"
    & skf18("9","4","1","9","1","10","1") = "9"
    & skf18("9","4","1","9","2","1","1") = "8"
    & skf18("9","4","1","9","2","2","1") = "8"
    & skf18("9","4","1","9","2","3","1") = "8"
    & skf18("9","4","1","9","2","4","1") = "8"
    & skf18("9","4","1","9","2","5","1") = "8"
    & skf18("9","4","1","9","2","6","1") = "8"
    & skf18("9","4","1","9","2","7","1") = "8"
    & skf18("9","4","1","9","2","8","1") = "8"
    & skf18("9","4","1","9","2","9","1") = "8"
    & skf18("9","4","1","9","2","10","1") = "9"
    & skf18("9","4","1","9","3","1","1") = "8"
    & skf18("9","4","1","9","3","2","1") = "8"
    & skf18("9","4","1","9","3","3","1") = "8"
    & skf18("9","4","1","9","3","4","1") = "8"
    & skf18("9","4","1","9","3","5","1") = "8"
    & skf18("9","4","1","9","3","6","1") = "8"
    & skf18("9","4","1","9","3","7","1") = "8"
    & skf18("9","4","1","9","3","8","1") = "8"
    & skf18("9","4","1","9","3","9","1") = "8"
    & skf18("9","4","1","9","3","10","1") = "9"
    & skf18("9","4","1","9","4","1","1") = "8"
    & skf18("9","4","1","9","4","2","1") = "8"
    & skf18("9","4","1","9","4","3","1") = "8"
    & skf18("9","4","1","9","4","4","1") = "8"
    & skf18("9","4","1","9","4","5","1") = "8"
    & skf18("9","4","1","9","4","6","1") = "8"
    & skf18("9","4","1","9","4","7","1") = "8"
    & skf18("9","4","1","9","4","8","1") = "8"
    & skf18("9","4","1","9","4","9","1") = "8"
    & skf18("9","4","1","9","4","10","1") = "9"
    & skf18("9","4","1","9","5","1","1") = "8"
    & skf18("9","4","1","9","5","2","1") = "8"
    & skf18("9","4","1","9","5","3","1") = "8"
    & skf18("9","4","1","9","5","4","1") = "8"
    & skf18("9","4","1","9","5","5","1") = "8"
    & skf18("9","4","1","9","5","6","1") = "8"
    & skf18("9","4","1","9","5","7","1") = "8"
    & skf18("9","4","1","9","5","8","1") = "8"
    & skf18("9","4","1","9","5","9","1") = "8"
    & skf18("9","4","1","9","5","10","1") = "9"
    & skf18("9","4","1","9","6","1","1") = "8"
    & skf18("9","4","1","9","6","2","1") = "8"
    & skf18("9","4","1","9","6","3","1") = "8"
    & skf18("9","4","1","9","6","4","1") = "8"
    & skf18("9","4","1","9","6","5","1") = "8"
    & skf18("9","4","1","9","6","6","1") = "8"
    & skf18("9","4","1","9","6","7","1") = "8"
    & skf18("9","4","1","9","6","8","1") = "8"
    & skf18("9","4","1","9","6","9","1") = "8"
    & skf18("9","4","1","9","6","10","1") = "9"
    & skf18("9","4","1","9","7","1","1") = "8"
    & skf18("9","4","1","9","7","2","1") = "8"
    & skf18("9","4","1","9","7","3","1") = "8"
    & skf18("9","4","1","9","7","4","1") = "8"
    & skf18("9","4","1","9","7","5","1") = "8"
    & skf18("9","4","1","9","7","6","1") = "8"
    & skf18("9","4","1","9","7","7","1") = "8"
    & skf18("9","4","1","9","7","8","1") = "8"
    & skf18("9","4","1","9","7","9","1") = "8"
    & skf18("9","4","1","9","7","10","1") = "9"
    & skf18("9","4","1","9","8","1","1") = "8"
    & skf18("9","4","1","9","8","2","1") = "8"
    & skf18("9","4","1","9","8","3","1") = "8"
    & skf18("9","4","1","9","8","4","1") = "8"
    & skf18("9","4","1","9","8","5","1") = "8"
    & skf18("9","4","1","9","8","6","1") = "8"
    & skf18("9","4","1","9","8","7","1") = "8"
    & skf18("9","4","1","9","8","8","1") = "8"
    & skf18("9","4","1","9","8","9","1") = "8"
    & skf18("9","4","1","9","8","10","1") = "9"
    & skf18("9","4","1","9","9","1","1") = "8"
    & skf18("9","4","1","9","9","2","1") = "8"
    & skf18("9","4","1","9","9","3","1") = "8"
    & skf18("9","4","1","9","9","4","1") = "8"
    & skf18("9","4","1","9","9","5","1") = "8"
    & skf18("9","4","1","9","9","6","1") = "8"
    & skf18("9","4","1","9","9","7","1") = "8"
    & skf18("9","4","1","9","9","8","1") = "8"
    & skf18("9","4","1","9","9","9","1") = "8"
    & skf18("9","4","1","9","9","10","1") = "9"
    & skf18("9","4","1","9","10","1","1") = "9"
    & skf18("9","4","1","9","10","2","1") = "9"
    & skf18("9","4","1","9","10","3","1") = "9"
    & skf18("9","4","1","9","10","4","1") = "9"
    & skf18("9","4","1","9","10","5","1") = "9"
    & skf18("9","4","1","9","10","6","1") = "9"
    & skf18("9","4","1","9","10","7","1") = "9"
    & skf18("9","4","1","9","10","8","1") = "9"
    & skf18("9","4","1","9","10","9","1") = "9"
    & skf18("9","4","1","9","10","10","1") = "9"
    & skf18("9","4","1","10","1","1","1") = "9"
    & skf18("9","4","1","10","1","2","1") = "9"
    & skf18("9","4","1","10","1","3","1") = "9"
    & skf18("9","4","1","10","1","4","1") = "9"
    & skf18("9","4","1","10","1","5","1") = "9"
    & skf18("9","4","1","10","1","6","1") = "9"
    & skf18("9","4","1","10","1","7","1") = "9"
    & skf18("9","4","1","10","1","8","1") = "9"
    & skf18("9","4","1","10","1","9","1") = "9"
    & skf18("9","4","1","10","1","10","1") = "9"
    & skf18("9","4","1","10","2","1","1") = "9"
    & skf18("9","4","1","10","2","2","1") = "9"
    & skf18("9","4","1","10","2","3","1") = "9"
    & skf18("9","4","1","10","2","4","1") = "9"
    & skf18("9","4","1","10","2","5","1") = "9"
    & skf18("9","4","1","10","2","6","1") = "9"
    & skf18("9","4","1","10","2","7","1") = "9"
    & skf18("9","4","1","10","2","8","1") = "9"
    & skf18("9","4","1","10","2","9","1") = "9"
    & skf18("9","4","1","10","2","10","1") = "9"
    & skf18("9","4","1","10","3","1","1") = "9"
    & skf18("9","4","1","10","3","2","1") = "9"
    & skf18("9","4","1","10","3","3","1") = "9"
    & skf18("9","4","1","10","3","4","1") = "9"
    & skf18("9","4","1","10","3","5","1") = "9"
    & skf18("9","4","1","10","3","6","1") = "9"
    & skf18("9","4","1","10","3","7","1") = "9"
    & skf18("9","4","1","10","3","8","1") = "9"
    & skf18("9","4","1","10","3","9","1") = "9"
    & skf18("9","4","1","10","3","10","1") = "9"
    & skf18("9","4","1","10","4","1","1") = "9"
    & skf18("9","4","1","10","4","2","1") = "9"
    & skf18("9","4","1","10","4","3","1") = "9"
    & skf18("9","4","1","10","4","4","1") = "9"
    & skf18("9","4","1","10","4","5","1") = "9"
    & skf18("9","4","1","10","4","6","1") = "9"
    & skf18("9","4","1","10","4","7","1") = "9"
    & skf18("9","4","1","10","4","8","1") = "9"
    & skf18("9","4","1","10","4","9","1") = "9"
    & skf18("9","4","1","10","4","10","1") = "9"
    & skf18("9","4","1","10","5","1","1") = "9"
    & skf18("9","4","1","10","5","2","1") = "9"
    & skf18("9","4","1","10","5","3","1") = "9"
    & skf18("9","4","1","10","5","4","1") = "9"
    & skf18("9","4","1","10","5","5","1") = "9"
    & skf18("9","4","1","10","5","6","1") = "9"
    & skf18("9","4","1","10","5","7","1") = "9"
    & skf18("9","4","1","10","5","8","1") = "9"
    & skf18("9","4","1","10","5","9","1") = "9"
    & skf18("9","4","1","10","5","10","1") = "9"
    & skf18("9","4","1","10","6","1","1") = "9"
    & skf18("9","4","1","10","6","2","1") = "9"
    & skf18("9","4","1","10","6","3","1") = "9"
    & skf18("9","4","1","10","6","4","1") = "9"
    & skf18("9","4","1","10","6","5","1") = "9"
    & skf18("9","4","1","10","6","6","1") = "9"
    & skf18("9","4","1","10","6","7","1") = "9"
    & skf18("9","4","1","10","6","8","1") = "9"
    & skf18("9","4","1","10","6","9","1") = "9"
    & skf18("9","4","1","10","6","10","1") = "9"
    & skf18("9","4","1","10","7","1","1") = "9"
    & skf18("9","4","1","10","7","2","1") = "9"
    & skf18("9","4","1","10","7","3","1") = "9"
    & skf18("9","4","1","10","7","4","1") = "9"
    & skf18("9","4","1","10","7","5","1") = "9"
    & skf18("9","4","1","10","7","6","1") = "9"
    & skf18("9","4","1","10","7","7","1") = "9"
    & skf18("9","4","1","10","7","8","1") = "9"
    & skf18("9","4","1","10","7","9","1") = "9"
    & skf18("9","4","1","10","7","10","1") = "9"
    & skf18("9","4","1","10","8","1","1") = "9"
    & skf18("9","4","1","10","8","2","1") = "9"
    & skf18("9","4","1","10","8","3","1") = "9"
    & skf18("9","4","1","10","8","4","1") = "9"
    & skf18("9","4","1","10","8","5","1") = "9"
    & skf18("9","4","1","10","8","6","1") = "9"
    & skf18("9","4","1","10","8","7","1") = "9"
    & skf18("9","4","1","10","8","8","1") = "9"
    & skf18("9","4","1","10","8","9","1") = "9"
    & skf18("9","4","1","10","8","10","1") = "9"
    & skf18("9","4","1","10","9","1","1") = "9"
    & skf18("9","4","1","10","9","2","1") = "9"
    & skf18("9","4","1","10","9","3","1") = "9"
    & skf18("9","4","1","10","9","4","1") = "9"
    & skf18("9","4","1","10","9","5","1") = "9"
    & skf18("9","4","1","10","9","6","1") = "9"
    & skf18("9","4","1","10","9","7","1") = "9"
    & skf18("9","4","1","10","9","8","1") = "9"
    & skf18("9","4","1","10","9","9","1") = "9"
    & skf18("9","4","1","10","9","10","1") = "9"
    & skf18("9","4","1","10","10","1","1") = "9"
    & skf18("9","4","1","10","10","2","1") = "9"
    & skf18("9","4","1","10","10","3","1") = "9"
    & skf18("9","4","1","10","10","4","1") = "9"
    & skf18("9","4","1","10","10","5","1") = "9"
    & skf18("9","4","1","10","10","6","1") = "9"
    & skf18("9","4","1","10","10","7","1") = "9"
    & skf18("9","4","1","10","10","8","1") = "9"
    & skf18("9","4","1","10","10","9","1") = "9"
    & skf18("9","4","1","10","10","10","1") = "9"
    & skf18("9","4","2","1","1","1","1") = "8"
    & skf18("9","4","2","1","1","2","1") = "8"
    & skf18("9","4","2","1","1","3","1") = "8"
    & skf18("9","4","2","1","1","4","1") = "8"
    & skf18("9","4","2","1","1","5","1") = "8"
    & skf18("9","4","2","1","1","6","1") = "8"
    & skf18("9","4","2","1","1","7","1") = "8"
    & skf18("9","4","2","1","1","8","1") = "8"
    & skf18("9","4","2","1","1","9","1") = "8"
    & skf18("9","4","2","1","1","10","1") = "9"
    & skf18("9","4","2","1","2","1","1") = "8"
    & skf18("9","4","2","1","2","2","1") = "8"
    & skf18("9","4","2","1","2","3","1") = "8"
    & skf18("9","4","2","1","2","4","1") = "8"
    & skf18("9","4","2","1","2","5","1") = "8"
    & skf18("9","4","2","1","2","6","1") = "8"
    & skf18("9","4","2","1","2","7","1") = "8"
    & skf18("9","4","2","1","2","8","1") = "8"
    & skf18("9","4","2","1","2","9","1") = "8"
    & skf18("9","4","2","1","2","10","1") = "9"
    & skf18("9","4","2","1","3","1","1") = "8"
    & skf18("9","4","2","1","3","2","1") = "8"
    & skf18("9","4","2","1","3","3","1") = "8"
    & skf18("9","4","2","1","3","4","1") = "8"
    & skf18("9","4","2","1","3","5","1") = "8"
    & skf18("9","4","2","1","3","6","1") = "8"
    & skf18("9","4","2","1","3","7","1") = "8"
    & skf18("9","4","2","1","3","8","1") = "8"
    & skf18("9","4","2","1","3","9","1") = "8"
    & skf18("9","4","2","1","3","10","1") = "9"
    & skf18("9","4","2","1","4","1","1") = "8"
    & skf18("9","4","2","1","4","2","1") = "8"
    & skf18("9","4","2","1","4","3","1") = "8"
    & skf18("9","4","2","1","4","4","1") = "8"
    & skf18("9","4","2","1","4","5","1") = "8"
    & skf18("9","4","2","1","4","6","1") = "8"
    & skf18("9","4","2","1","4","7","1") = "8"
    & skf18("9","4","2","1","4","8","1") = "8"
    & skf18("9","4","2","1","4","9","1") = "8"
    & skf18("9","4","2","1","4","10","1") = "9"
    & skf18("9","4","2","1","5","1","1") = "8"
    & skf18("9","4","2","1","5","2","1") = "8"
    & skf18("9","4","2","1","5","3","1") = "8"
    & skf18("9","4","2","1","5","4","1") = "8"
    & skf18("9","4","2","1","5","5","1") = "8"
    & skf18("9","4","2","1","5","6","1") = "8"
    & skf18("9","4","2","1","5","7","1") = "8"
    & skf18("9","4","2","1","5","8","1") = "8"
    & skf18("9","4","2","1","5","9","1") = "8"
    & skf18("9","4","2","1","5","10","1") = "9"
    & skf18("9","4","2","1","6","1","1") = "8"
    & skf18("9","4","2","1","6","2","1") = "8"
    & skf18("9","4","2","1","6","3","1") = "8"
    & skf18("9","4","2","1","6","4","1") = "8"
    & skf18("9","4","2","1","6","5","1") = "8"
    & skf18("9","4","2","1","6","6","1") = "8"
    & skf18("9","4","2","1","6","7","1") = "8"
    & skf18("9","4","2","1","6","8","1") = "8"
    & skf18("9","4","2","1","6","9","1") = "8"
    & skf18("9","4","2","1","6","10","1") = "9"
    & skf18("9","4","2","1","7","1","1") = "8"
    & skf18("9","4","2","1","7","2","1") = "8"
    & skf18("9","4","2","1","7","3","1") = "8"
    & skf18("9","4","2","1","7","4","1") = "8"
    & skf18("9","4","2","1","7","5","1") = "8"
    & skf18("9","4","2","1","7","6","1") = "8"
    & skf18("9","4","2","1","7","7","1") = "8"
    & skf18("9","4","2","1","7","8","1") = "8"
    & skf18("9","4","2","1","7","9","1") = "8"
    & skf18("9","4","2","1","7","10","1") = "9"
    & skf18("9","4","2","1","8","1","1") = "8"
    & skf18("9","4","2","1","8","2","1") = "8"
    & skf18("9","4","2","1","8","3","1") = "8"
    & skf18("9","4","2","1","8","4","1") = "8"
    & skf18("9","4","2","1","8","5","1") = "8"
    & skf18("9","4","2","1","8","6","1") = "8"
    & skf18("9","4","2","1","8","7","1") = "8"
    & skf18("9","4","2","1","8","8","1") = "8"
    & skf18("9","4","2","1","8","9","1") = "8"
    & skf18("9","4","2","1","8","10","1") = "9"
    & skf18("9","4","2","1","9","1","1") = "8"
    & skf18("9","4","2","1","9","2","1") = "8"
    & skf18("9","4","2","1","9","3","1") = "8"
    & skf18("9","4","2","1","9","4","1") = "8"
    & skf18("9","4","2","1","9","5","1") = "8"
    & skf18("9","4","2","1","9","6","1") = "8"
    & skf18("9","4","2","1","9","7","1") = "8"
    & skf18("9","4","2","1","9","8","1") = "8"
    & skf18("9","4","2","1","9","9","1") = "8"
    & skf18("9","4","2","1","9","10","1") = "9"
    & skf18("9","4","2","1","10","1","1") = "9"
    & skf18("9","4","2","1","10","2","1") = "9"
    & skf18("9","4","2","1","10","3","1") = "9"
    & skf18("9","4","2","1","10","4","1") = "9"
    & skf18("9","4","2","1","10","5","1") = "9"
    & skf18("9","4","2","1","10","6","1") = "9"
    & skf18("9","4","2","1","10","7","1") = "9"
    & skf18("9","4","2","1","10","8","1") = "9"
    & skf18("9","4","2","1","10","9","1") = "9"
    & skf18("9","4","2","1","10","10","1") = "9"
    & skf18("9","4","2","2","1","1","1") = "8"
    & skf18("9","4","2","2","1","2","1") = "8"
    & skf18("9","4","2","2","1","3","1") = "8"
    & skf18("9","4","2","2","1","4","1") = "8"
    & skf18("9","4","2","2","1","5","1") = "8"
    & skf18("9","4","2","2","1","6","1") = "8"
    & skf18("9","4","2","2","1","7","1") = "8"
    & skf18("9","4","2","2","1","8","1") = "8"
    & skf18("9","4","2","2","1","9","1") = "8"
    & skf18("9","4","2","2","1","10","1") = "9"
    & skf18("9","4","2","2","2","1","1") = "8"
    & skf18("9","4","2","2","2","2","1") = "8"
    & skf18("9","4","2","2","2","3","1") = "8"
    & skf18("9","4","2","2","2","4","1") = "8"
    & skf18("9","4","2","2","2","5","1") = "8"
    & skf18("9","4","2","2","2","6","1") = "8"
    & skf18("9","4","2","2","2","7","1") = "8"
    & skf18("9","4","2","2","2","8","1") = "8"
    & skf18("9","4","2","2","2","9","1") = "8"
    & skf18("9","4","2","2","2","10","1") = "9"
    & skf18("9","4","2","2","3","1","1") = "8"
    & skf18("9","4","2","2","3","2","1") = "8"
    & skf18("9","4","2","2","3","3","1") = "8"
    & skf18("9","4","2","2","3","4","1") = "8"
    & skf18("9","4","2","2","3","5","1") = "8"
    & skf18("9","4","2","2","3","6","1") = "8"
    & skf18("9","4","2","2","3","7","1") = "8"
    & skf18("9","4","2","2","3","8","1") = "8"
    & skf18("9","4","2","2","3","9","1") = "8"
    & skf18("9","4","2","2","3","10","1") = "9"
    & skf18("9","4","2","2","4","1","1") = "8"
    & skf18("9","4","2","2","4","2","1") = "8"
    & skf18("9","4","2","2","4","3","1") = "8"
    & skf18("9","4","2","2","4","4","1") = "8"
    & skf18("9","4","2","2","4","5","1") = "8"
    & skf18("9","4","2","2","4","6","1") = "8"
    & skf18("9","4","2","2","4","7","1") = "8"
    & skf18("9","4","2","2","4","8","1") = "8"
    & skf18("9","4","2","2","4","9","1") = "8"
    & skf18("9","4","2","2","4","10","1") = "9"
    & skf18("9","4","2","2","5","1","1") = "8"
    & skf18("9","4","2","2","5","2","1") = "8"
    & skf18("9","4","2","2","5","3","1") = "8"
    & skf18("9","4","2","2","5","4","1") = "8"
    & skf18("9","4","2","2","5","5","1") = "8"
    & skf18("9","4","2","2","5","6","1") = "8"
    & skf18("9","4","2","2","5","7","1") = "8"
    & skf18("9","4","2","2","5","8","1") = "8"
    & skf18("9","4","2","2","5","9","1") = "8"
    & skf18("9","4","2","2","5","10","1") = "9"
    & skf18("9","4","2","2","6","1","1") = "8"
    & skf18("9","4","2","2","6","2","1") = "8"
    & skf18("9","4","2","2","6","3","1") = "8"
    & skf18("9","4","2","2","6","4","1") = "8"
    & skf18("9","4","2","2","6","5","1") = "8"
    & skf18("9","4","2","2","6","6","1") = "8"
    & skf18("9","4","2","2","6","7","1") = "8"
    & skf18("9","4","2","2","6","8","1") = "8"
    & skf18("9","4","2","2","6","9","1") = "8"
    & skf18("9","4","2","2","6","10","1") = "9"
    & skf18("9","4","2","2","7","1","1") = "8"
    & skf18("9","4","2","2","7","2","1") = "8"
    & skf18("9","4","2","2","7","3","1") = "8"
    & skf18("9","4","2","2","7","4","1") = "8"
    & skf18("9","4","2","2","7","5","1") = "8"
    & skf18("9","4","2","2","7","6","1") = "8"
    & skf18("9","4","2","2","7","7","1") = "8"
    & skf18("9","4","2","2","7","8","1") = "8"
    & skf18("9","4","2","2","7","9","1") = "8"
    & skf18("9","4","2","2","7","10","1") = "9"
    & skf18("9","4","2","2","8","1","1") = "8"
    & skf18("9","4","2","2","8","2","1") = "8"
    & skf18("9","4","2","2","8","3","1") = "8"
    & skf18("9","4","2","2","8","4","1") = "8"
    & skf18("9","4","2","2","8","5","1") = "8"
    & skf18("9","4","2","2","8","6","1") = "8"
    & skf18("9","4","2","2","8","7","1") = "8"
    & skf18("9","4","2","2","8","8","1") = "8"
    & skf18("9","4","2","2","8","9","1") = "8"
    & skf18("9","4","2","2","8","10","1") = "9"
    & skf18("9","4","2","2","9","1","1") = "8"
    & skf18("9","4","2","2","9","2","1") = "8"
    & skf18("9","4","2","2","9","3","1") = "8"
    & skf18("9","4","2","2","9","4","1") = "8"
    & skf18("9","4","2","2","9","5","1") = "8"
    & skf18("9","4","2","2","9","6","1") = "8"
    & skf18("9","4","2","2","9","7","1") = "8"
    & skf18("9","4","2","2","9","8","1") = "8"
    & skf18("9","4","2","2","9","9","1") = "8"
    & skf18("9","4","2","2","9","10","1") = "9"
    & skf18("9","4","2","2","10","1","1") = "9"
    & skf18("9","4","2","2","10","2","1") = "9"
    & skf18("9","4","2","2","10","3","1") = "9"
    & skf18("9","4","2","2","10","4","1") = "9"
    & skf18("9","4","2","2","10","5","1") = "9"
    & skf18("9","4","2","2","10","6","1") = "9"
    & skf18("9","4","2","2","10","7","1") = "9"
    & skf18("9","4","2","2","10","8","1") = "9"
    & skf18("9","4","2","2","10","9","1") = "9"
    & skf18("9","4","2","2","10","10","1") = "9"
    & skf18("9","4","2","3","1","1","1") = "8"
    & skf18("9","4","2","3","1","2","1") = "8"
    & skf18("9","4","2","3","1","3","1") = "8"
    & skf18("9","4","2","3","1","4","1") = "8"
    & skf18("9","4","2","3","1","5","1") = "8"
    & skf18("9","4","2","3","1","6","1") = "8"
    & skf18("9","4","2","3","1","7","1") = "8"
    & skf18("9","4","2","3","1","8","1") = "8"
    & skf18("9","4","2","3","1","9","1") = "8"
    & skf18("9","4","2","3","1","10","1") = "9"
    & skf18("9","4","2","3","2","1","1") = "8"
    & skf18("9","4","2","3","2","2","1") = "8"
    & skf18("9","4","2","3","2","3","1") = "8"
    & skf18("9","4","2","3","2","4","1") = "8"
    & skf18("9","4","2","3","2","5","1") = "8"
    & skf18("9","4","2","3","2","6","1") = "8"
    & skf18("9","4","2","3","2","7","1") = "8"
    & skf18("9","4","2","3","2","8","1") = "8"
    & skf18("9","4","2","3","2","9","1") = "8"
    & skf18("9","4","2","3","2","10","1") = "9"
    & skf18("9","4","2","3","3","1","1") = "8"
    & skf18("9","4","2","3","3","2","1") = "8"
    & skf18("9","4","2","3","3","3","1") = "8"
    & skf18("9","4","2","3","3","4","1") = "8"
    & skf18("9","4","2","3","3","5","1") = "8"
    & skf18("9","4","2","3","3","6","1") = "8"
    & skf18("9","4","2","3","3","7","1") = "8"
    & skf18("9","4","2","3","3","8","1") = "8"
    & skf18("9","4","2","3","3","9","1") = "8"
    & skf18("9","4","2","3","3","10","1") = "9"
    & skf18("9","4","2","3","4","1","1") = "8"
    & skf18("9","4","2","3","4","2","1") = "8"
    & skf18("9","4","2","3","4","3","1") = "8"
    & skf18("9","4","2","3","4","4","1") = "8"
    & skf18("9","4","2","3","4","5","1") = "8"
    & skf18("9","4","2","3","4","6","1") = "8"
    & skf18("9","4","2","3","4","7","1") = "8"
    & skf18("9","4","2","3","4","8","1") = "8"
    & skf18("9","4","2","3","4","9","1") = "8"
    & skf18("9","4","2","3","4","10","1") = "9"
    & skf18("9","4","2","3","5","1","1") = "8"
    & skf18("9","4","2","3","5","2","1") = "8"
    & skf18("9","4","2","3","5","3","1") = "8"
    & skf18("9","4","2","3","5","4","1") = "8"
    & skf18("9","4","2","3","5","5","1") = "8"
    & skf18("9","4","2","3","5","6","1") = "8"
    & skf18("9","4","2","3","5","7","1") = "8"
    & skf18("9","4","2","3","5","8","1") = "8"
    & skf18("9","4","2","3","5","9","1") = "8"
    & skf18("9","4","2","3","5","10","1") = "9"
    & skf18("9","4","2","3","6","1","1") = "8"
    & skf18("9","4","2","3","6","2","1") = "8"
    & skf18("9","4","2","3","6","3","1") = "8"
    & skf18("9","4","2","3","6","4","1") = "8"
    & skf18("9","4","2","3","6","5","1") = "8"
    & skf18("9","4","2","3","6","6","1") = "8"
    & skf18("9","4","2","3","6","7","1") = "8"
    & skf18("9","4","2","3","6","8","1") = "8"
    & skf18("9","4","2","3","6","9","1") = "8"
    & skf18("9","4","2","3","6","10","1") = "9"
    & skf18("9","4","2","3","7","1","1") = "8"
    & skf18("9","4","2","3","7","2","1") = "8"
    & skf18("9","4","2","3","7","3","1") = "8"
    & skf18("9","4","2","3","7","4","1") = "8"
    & skf18("9","4","2","3","7","5","1") = "8"
    & skf18("9","4","2","3","7","6","1") = "8"
    & skf18("9","4","2","3","7","7","1") = "8"
    & skf18("9","4","2","3","7","8","1") = "8"
    & skf18("9","4","2","3","7","9","1") = "8"
    & skf18("9","4","2","3","7","10","1") = "9"
    & skf18("9","4","2","3","8","1","1") = "8"
    & skf18("9","4","2","3","8","2","1") = "8"
    & skf18("9","4","2","3","8","3","1") = "8"
    & skf18("9","4","2","3","8","4","1") = "8"
    & skf18("9","4","2","3","8","5","1") = "8"
    & skf18("9","4","2","3","8","6","1") = "8"
    & skf18("9","4","2","3","8","7","1") = "8"
    & skf18("9","4","2","3","8","8","1") = "8"
    & skf18("9","4","2","3","8","9","1") = "8"
    & skf18("9","4","2","3","8","10","1") = "9"
    & skf18("9","4","2","3","9","1","1") = "8"
    & skf18("9","4","2","3","9","2","1") = "8"
    & skf18("9","4","2","3","9","3","1") = "8"
    & skf18("9","4","2","3","9","4","1") = "8"
    & skf18("9","4","2","3","9","5","1") = "8"
    & skf18("9","4","2","3","9","6","1") = "8"
    & skf18("9","4","2","3","9","7","1") = "8"
    & skf18("9","4","2","3","9","8","1") = "8"
    & skf18("9","4","2","3","9","9","1") = "8"
    & skf18("9","4","2","3","9","10","1") = "9"
    & skf18("9","4","2","3","10","1","1") = "9"
    & skf18("9","4","2","3","10","2","1") = "9"
    & skf18("9","4","2","3","10","3","1") = "9"
    & skf18("9","4","2","3","10","4","1") = "9"
    & skf18("9","4","2","3","10","5","1") = "9"
    & skf18("9","4","2","3","10","6","1") = "9"
    & skf18("9","4","2","3","10","7","1") = "9"
    & skf18("9","4","2","3","10","8","1") = "9"
    & skf18("9","4","2","3","10","9","1") = "9"
    & skf18("9","4","2","3","10","10","1") = "9"
    & skf18("9","4","2","4","1","1","1") = "8"
    & skf18("9","4","2","4","1","2","1") = "8"
    & skf18("9","4","2","4","1","3","1") = "8"
    & skf18("9","4","2","4","1","4","1") = "8"
    & skf18("9","4","2","4","1","5","1") = "8"
    & skf18("9","4","2","4","1","6","1") = "8"
    & skf18("9","4","2","4","1","7","1") = "8"
    & skf18("9","4","2","4","1","8","1") = "8"
    & skf18("9","4","2","4","1","9","1") = "8"
    & skf18("9","4","2","4","1","10","1") = "9"
    & skf18("9","4","2","4","2","1","1") = "8"
    & skf18("9","4","2","4","2","2","1") = "8"
    & skf18("9","4","2","4","2","3","1") = "8"
    & skf18("9","4","2","4","2","4","1") = "8"
    & skf18("9","4","2","4","2","5","1") = "8"
    & skf18("9","4","2","4","2","6","1") = "8"
    & skf18("9","4","2","4","2","7","1") = "8"
    & skf18("9","4","2","4","2","8","1") = "8"
    & skf18("9","4","2","4","2","9","1") = "8"
    & skf18("9","4","2","4","2","10","1") = "9"
    & skf18("9","4","2","4","3","1","1") = "8"
    & skf18("9","4","2","4","3","2","1") = "8"
    & skf18("9","4","2","4","3","3","1") = "8"
    & skf18("9","4","2","4","3","4","1") = "8"
    & skf18("9","4","2","4","3","5","1") = "8"
    & skf18("9","4","2","4","3","6","1") = "8"
    & skf18("9","4","2","4","3","7","1") = "8"
    & skf18("9","4","2","4","3","8","1") = "8"
    & skf18("9","4","2","4","3","9","1") = "8"
    & skf18("9","4","2","4","3","10","1") = "9"
    & skf18("9","4","2","4","4","1","1") = "8"
    & skf18("9","4","2","4","4","2","1") = "8"
    & skf18("9","4","2","4","4","3","1") = "8"
    & skf18("9","4","2","4","4","4","1") = "8"
    & skf18("9","4","2","4","4","5","1") = "8"
    & skf18("9","4","2","4","4","6","1") = "8"
    & skf18("9","4","2","4","4","7","1") = "8"
    & skf18("9","4","2","4","4","8","1") = "8"
    & skf18("9","4","2","4","4","9","1") = "8"
    & skf18("9","4","2","4","4","10","1") = "9"
    & skf18("9","4","2","4","5","1","1") = "8"
    & skf18("9","4","2","4","5","2","1") = "8"
    & skf18("9","4","2","4","5","3","1") = "8"
    & skf18("9","4","2","4","5","4","1") = "8"
    & skf18("9","4","2","4","5","5","1") = "8"
    & skf18("9","4","2","4","5","6","1") = "8"
    & skf18("9","4","2","4","5","7","1") = "8"
    & skf18("9","4","2","4","5","8","1") = "8"
    & skf18("9","4","2","4","5","9","1") = "8"
    & skf18("9","4","2","4","5","10","1") = "9"
    & skf18("9","4","2","4","6","1","1") = "8"
    & skf18("9","4","2","4","6","2","1") = "8"
    & skf18("9","4","2","4","6","3","1") = "8"
    & skf18("9","4","2","4","6","4","1") = "8"
    & skf18("9","4","2","4","6","5","1") = "8"
    & skf18("9","4","2","4","6","6","1") = "8"
    & skf18("9","4","2","4","6","7","1") = "8"
    & skf18("9","4","2","4","6","8","1") = "8"
    & skf18("9","4","2","4","6","9","1") = "8"
    & skf18("9","4","2","4","6","10","1") = "9"
    & skf18("9","4","2","4","7","1","1") = "8"
    & skf18("9","4","2","4","7","2","1") = "8"
    & skf18("9","4","2","4","7","3","1") = "8"
    & skf18("9","4","2","4","7","4","1") = "8"
    & skf18("9","4","2","4","7","5","1") = "8"
    & skf18("9","4","2","4","7","6","1") = "8"
    & skf18("9","4","2","4","7","7","1") = "8"
    & skf18("9","4","2","4","7","8","1") = "8"
    & skf18("9","4","2","4","7","9","1") = "8"
    & skf18("9","4","2","4","7","10","1") = "9"
    & skf18("9","4","2","4","8","1","1") = "8"
    & skf18("9","4","2","4","8","2","1") = "8"
    & skf18("9","4","2","4","8","3","1") = "8"
    & skf18("9","4","2","4","8","4","1") = "8"
    & skf18("9","4","2","4","8","5","1") = "8"
    & skf18("9","4","2","4","8","6","1") = "8"
    & skf18("9","4","2","4","8","7","1") = "8"
    & skf18("9","4","2","4","8","8","1") = "8"
    & skf18("9","4","2","4","8","9","1") = "8"
    & skf18("9","4","2","4","8","10","1") = "9"
    & skf18("9","4","2","4","9","1","1") = "8"
    & skf18("9","4","2","4","9","2","1") = "8"
    & skf18("9","4","2","4","9","3","1") = "8"
    & skf18("9","4","2","4","9","4","1") = "8"
    & skf18("9","4","2","4","9","5","1") = "8"
    & skf18("9","4","2","4","9","6","1") = "8"
    & skf18("9","4","2","4","9","7","1") = "8"
    & skf18("9","4","2","4","9","8","1") = "8"
    & skf18("9","4","2","4","9","9","1") = "8"
    & skf18("9","4","2","4","9","10","1") = "9"
    & skf18("9","4","2","4","10","1","1") = "9"
    & skf18("9","4","2","4","10","2","1") = "9"
    & skf18("9","4","2","4","10","3","1") = "9"
    & skf18("9","4","2","4","10","4","1") = "9"
    & skf18("9","4","2","4","10","5","1") = "9"
    & skf18("9","4","2","4","10","6","1") = "9"
    & skf18("9","4","2","4","10","7","1") = "9"
    & skf18("9","4","2","4","10","8","1") = "9"
    & skf18("9","4","2","4","10","9","1") = "9"
    & skf18("9","4","2","4","10","10","1") = "9"
    & skf18("9","4","2","5","1","1","1") = "8"
    & skf18("9","4","2","5","1","2","1") = "8"
    & skf18("9","4","2","5","1","3","1") = "8"
    & skf18("9","4","2","5","1","4","1") = "8"
    & skf18("9","4","2","5","1","5","1") = "8"
    & skf18("9","4","2","5","1","6","1") = "8"
    & skf18("9","4","2","5","1","7","1") = "8"
    & skf18("9","4","2","5","1","8","1") = "8"
    & skf18("9","4","2","5","1","9","1") = "8"
    & skf18("9","4","2","5","1","10","1") = "9"
    & skf18("9","4","2","5","2","1","1") = "8"
    & skf18("9","4","2","5","2","2","1") = "8"
    & skf18("9","4","2","5","2","3","1") = "8"
    & skf18("9","4","2","5","2","4","1") = "8"
    & skf18("9","4","2","5","2","5","1") = "8"
    & skf18("9","4","2","5","2","6","1") = "8"
    & skf18("9","4","2","5","2","7","1") = "8"
    & skf18("9","4","2","5","2","8","1") = "8"
    & skf18("9","4","2","5","2","9","1") = "8"
    & skf18("9","4","2","5","2","10","1") = "9"
    & skf18("9","4","2","5","3","1","1") = "8"
    & skf18("9","4","2","5","3","2","1") = "8"
    & skf18("9","4","2","5","3","3","1") = "8"
    & skf18("9","4","2","5","3","4","1") = "8"
    & skf18("9","4","2","5","3","5","1") = "8"
    & skf18("9","4","2","5","3","6","1") = "8"
    & skf18("9","4","2","5","3","7","1") = "8"
    & skf18("9","4","2","5","3","8","1") = "8"
    & skf18("9","4","2","5","3","9","1") = "8"
    & skf18("9","4","2","5","3","10","1") = "9"
    & skf18("9","4","2","5","4","1","1") = "8"
    & skf18("9","4","2","5","4","2","1") = "8"
    & skf18("9","4","2","5","4","3","1") = "8"
    & skf18("9","4","2","5","4","4","1") = "8"
    & skf18("9","4","2","5","4","5","1") = "8"
    & skf18("9","4","2","5","4","6","1") = "8"
    & skf18("9","4","2","5","4","7","1") = "8"
    & skf18("9","4","2","5","4","8","1") = "8"
    & skf18("9","4","2","5","4","9","1") = "8"
    & skf18("9","4","2","5","4","10","1") = "9"
    & skf18("9","4","2","5","5","1","1") = "8"
    & skf18("9","4","2","5","5","2","1") = "8"
    & skf18("9","4","2","5","5","3","1") = "8"
    & skf18("9","4","2","5","5","4","1") = "8"
    & skf18("9","4","2","5","5","5","1") = "8"
    & skf18("9","4","2","5","5","6","1") = "8"
    & skf18("9","4","2","5","5","7","1") = "8"
    & skf18("9","4","2","5","5","8","1") = "8"
    & skf18("9","4","2","5","5","9","1") = "8"
    & skf18("9","4","2","5","5","10","1") = "9"
    & skf18("9","4","2","5","6","1","1") = "8"
    & skf18("9","4","2","5","6","2","1") = "8"
    & skf18("9","4","2","5","6","3","1") = "8"
    & skf18("9","4","2","5","6","4","1") = "8"
    & skf18("9","4","2","5","6","5","1") = "8"
    & skf18("9","4","2","5","6","6","1") = "8"
    & skf18("9","4","2","5","6","7","1") = "8"
    & skf18("9","4","2","5","6","8","1") = "8"
    & skf18("9","4","2","5","6","9","1") = "8"
    & skf18("9","4","2","5","6","10","1") = "9"
    & skf18("9","4","2","5","7","1","1") = "8"
    & skf18("9","4","2","5","7","2","1") = "8"
    & skf18("9","4","2","5","7","3","1") = "8"
    & skf18("9","4","2","5","7","4","1") = "8"
    & skf18("9","4","2","5","7","5","1") = "8"
    & skf18("9","4","2","5","7","6","1") = "8"
    & skf18("9","4","2","5","7","7","1") = "8"
    & skf18("9","4","2","5","7","8","1") = "8"
    & skf18("9","4","2","5","7","9","1") = "8"
    & skf18("9","4","2","5","7","10","1") = "9"
    & skf18("9","4","2","5","8","1","1") = "8"
    & skf18("9","4","2","5","8","2","1") = "8"
    & skf18("9","4","2","5","8","3","1") = "8"
    & skf18("9","4","2","5","8","4","1") = "8"
    & skf18("9","4","2","5","8","5","1") = "8"
    & skf18("9","4","2","5","8","6","1") = "8"
    & skf18("9","4","2","5","8","7","1") = "8"
    & skf18("9","4","2","5","8","8","1") = "8"
    & skf18("9","4","2","5","8","9","1") = "8"
    & skf18("9","4","2","5","8","10","1") = "9"
    & skf18("9","4","2","5","9","1","1") = "8"
    & skf18("9","4","2","5","9","2","1") = "8"
    & skf18("9","4","2","5","9","3","1") = "8"
    & skf18("9","4","2","5","9","4","1") = "8"
    & skf18("9","4","2","5","9","5","1") = "8"
    & skf18("9","4","2","5","9","6","1") = "8"
    & skf18("9","4","2","5","9","7","1") = "8"
    & skf18("9","4","2","5","9","8","1") = "8"
    & skf18("9","4","2","5","9","9","1") = "8"
    & skf18("9","4","2","5","9","10","1") = "9"
    & skf18("9","4","2","5","10","1","1") = "9"
    & skf18("9","4","2","5","10","2","1") = "9"
    & skf18("9","4","2","5","10","3","1") = "9"
    & skf18("9","4","2","5","10","4","1") = "9"
    & skf18("9","4","2","5","10","5","1") = "9"
    & skf18("9","4","2","5","10","6","1") = "9"
    & skf18("9","4","2","5","10","7","1") = "9"
    & skf18("9","4","2","5","10","8","1") = "9"
    & skf18("9","4","2","5","10","9","1") = "9"
    & skf18("9","4","2","5","10","10","1") = "9"
    & skf18("9","4","2","6","1","1","1") = "8"
    & skf18("9","4","2","6","1","2","1") = "8"
    & skf18("9","4","2","6","1","3","1") = "8"
    & skf18("9","4","2","6","1","4","1") = "8"
    & skf18("9","4","2","6","1","5","1") = "8"
    & skf18("9","4","2","6","1","6","1") = "8"
    & skf18("9","4","2","6","1","7","1") = "8"
    & skf18("9","4","2","6","1","8","1") = "8"
    & skf18("9","4","2","6","1","9","1") = "8"
    & skf18("9","4","2","6","1","10","1") = "9"
    & skf18("9","4","2","6","2","1","1") = "8"
    & skf18("9","4","2","6","2","2","1") = "8"
    & skf18("9","4","2","6","2","3","1") = "8"
    & skf18("9","4","2","6","2","4","1") = "8"
    & skf18("9","4","2","6","2","5","1") = "8"
    & skf18("9","4","2","6","2","6","1") = "8"
    & skf18("9","4","2","6","2","7","1") = "8"
    & skf18("9","4","2","6","2","8","1") = "8"
    & skf18("9","4","2","6","2","9","1") = "8"
    & skf18("9","4","2","6","2","10","1") = "9"
    & skf18("9","4","2","6","3","1","1") = "8"
    & skf18("9","4","2","6","3","2","1") = "8"
    & skf18("9","4","2","6","3","3","1") = "8"
    & skf18("9","4","2","6","3","4","1") = "8"
    & skf18("9","4","2","6","3","5","1") = "8"
    & skf18("9","4","2","6","3","6","1") = "8"
    & skf18("9","4","2","6","3","7","1") = "8"
    & skf18("9","4","2","6","3","8","1") = "8"
    & skf18("9","4","2","6","3","9","1") = "8"
    & skf18("9","4","2","6","3","10","1") = "9"
    & skf18("9","4","2","6","4","1","1") = "8"
    & skf18("9","4","2","6","4","2","1") = "8"
    & skf18("9","4","2","6","4","3","1") = "8"
    & skf18("9","4","2","6","4","4","1") = "8"
    & skf18("9","4","2","6","4","5","1") = "8"
    & skf18("9","4","2","6","4","6","1") = "8"
    & skf18("9","4","2","6","4","7","1") = "8"
    & skf18("9","4","2","6","4","8","1") = "8"
    & skf18("9","4","2","6","4","9","1") = "8"
    & skf18("9","4","2","6","4","10","1") = "9"
    & skf18("9","4","2","6","5","1","1") = "8"
    & skf18("9","4","2","6","5","2","1") = "8"
    & skf18("9","4","2","6","5","3","1") = "8"
    & skf18("9","4","2","6","5","4","1") = "8"
    & skf18("9","4","2","6","5","5","1") = "8"
    & skf18("9","4","2","6","5","6","1") = "8"
    & skf18("9","4","2","6","5","7","1") = "8"
    & skf18("9","4","2","6","5","8","1") = "8"
    & skf18("9","4","2","6","5","9","1") = "8"
    & skf18("9","4","2","6","5","10","1") = "9"
    & skf18("9","4","2","6","6","1","1") = "8"
    & skf18("9","4","2","6","6","2","1") = "8"
    & skf18("9","4","2","6","6","3","1") = "8"
    & skf18("9","4","2","6","6","4","1") = "8"
    & skf18("9","4","2","6","6","5","1") = "8"
    & skf18("9","4","2","6","6","6","1") = "8"
    & skf18("9","4","2","6","6","7","1") = "8"
    & skf18("9","4","2","6","6","8","1") = "8"
    & skf18("9","4","2","6","6","9","1") = "8"
    & skf18("9","4","2","6","6","10","1") = "9"
    & skf18("9","4","2","6","7","1","1") = "8"
    & skf18("9","4","2","6","7","2","1") = "8"
    & skf18("9","4","2","6","7","3","1") = "8"
    & skf18("9","4","2","6","7","4","1") = "8"
    & skf18("9","4","2","6","7","5","1") = "8"
    & skf18("9","4","2","6","7","6","1") = "8"
    & skf18("9","4","2","6","7","7","1") = "8"
    & skf18("9","4","2","6","7","8","1") = "8"
    & skf18("9","4","2","6","7","9","1") = "8"
    & skf18("9","4","2","6","7","10","1") = "9"
    & skf18("9","4","2","6","8","1","1") = "8"
    & skf18("9","4","2","6","8","2","1") = "8"
    & skf18("9","4","2","6","8","3","1") = "8"
    & skf18("9","4","2","6","8","4","1") = "8"
    & skf18("9","4","2","6","8","5","1") = "8"
    & skf18("9","4","2","6","8","6","1") = "8"
    & skf18("9","4","2","6","8","7","1") = "8"
    & skf18("9","4","2","6","8","8","1") = "8"
    & skf18("9","4","2","6","8","9","1") = "8"
    & skf18("9","4","2","6","8","10","1") = "9"
    & skf18("9","4","2","6","9","1","1") = "8"
    & skf18("9","4","2","6","9","2","1") = "8"
    & skf18("9","4","2","6","9","3","1") = "8"
    & skf18("9","4","2","6","9","4","1") = "8"
    & skf18("9","4","2","6","9","5","1") = "8"
    & skf18("9","4","2","6","9","6","1") = "8"
    & skf18("9","4","2","6","9","7","1") = "8"
    & skf18("9","4","2","6","9","8","1") = "8"
    & skf18("9","4","2","6","9","9","1") = "8"
    & skf18("9","4","2","6","9","10","1") = "9"
    & skf18("9","4","2","6","10","1","1") = "9"
    & skf18("9","4","2","6","10","2","1") = "9"
    & skf18("9","4","2","6","10","3","1") = "9"
    & skf18("9","4","2","6","10","4","1") = "9"
    & skf18("9","4","2","6","10","5","1") = "9"
    & skf18("9","4","2","6","10","6","1") = "9"
    & skf18("9","4","2","6","10","7","1") = "9"
    & skf18("9","4","2","6","10","8","1") = "9"
    & skf18("9","4","2","6","10","9","1") = "9"
    & skf18("9","4","2","6","10","10","1") = "9"
    & skf18("9","4","2","7","1","1","1") = "8"
    & skf18("9","4","2","7","1","2","1") = "8"
    & skf18("9","4","2","7","1","3","1") = "8"
    & skf18("9","4","2","7","1","4","1") = "8"
    & skf18("9","4","2","7","1","5","1") = "8"
    & skf18("9","4","2","7","1","6","1") = "8"
    & skf18("9","4","2","7","1","7","1") = "8"
    & skf18("9","4","2","7","1","8","1") = "8"
    & skf18("9","4","2","7","1","9","1") = "8"
    & skf18("9","4","2","7","1","10","1") = "9"
    & skf18("9","4","2","7","2","1","1") = "8"
    & skf18("9","4","2","7","2","2","1") = "8"
    & skf18("9","4","2","7","2","3","1") = "8"
    & skf18("9","4","2","7","2","4","1") = "8"
    & skf18("9","4","2","7","2","5","1") = "8"
    & skf18("9","4","2","7","2","6","1") = "8"
    & skf18("9","4","2","7","2","7","1") = "8"
    & skf18("9","4","2","7","2","8","1") = "8"
    & skf18("9","4","2","7","2","9","1") = "8"
    & skf18("9","4","2","7","2","10","1") = "9"
    & skf18("9","4","2","7","3","1","1") = "8"
    & skf18("9","4","2","7","3","2","1") = "8"
    & skf18("9","4","2","7","3","3","1") = "8"
    & skf18("9","4","2","7","3","4","1") = "8"
    & skf18("9","4","2","7","3","5","1") = "8"
    & skf18("9","4","2","7","3","6","1") = "8"
    & skf18("9","4","2","7","3","7","1") = "8"
    & skf18("9","4","2","7","3","8","1") = "8"
    & skf18("9","4","2","7","3","9","1") = "8"
    & skf18("9","4","2","7","3","10","1") = "9"
    & skf18("9","4","2","7","4","1","1") = "8"
    & skf18("9","4","2","7","4","2","1") = "8"
    & skf18("9","4","2","7","4","3","1") = "8"
    & skf18("9","4","2","7","4","4","1") = "8"
    & skf18("9","4","2","7","4","5","1") = "8"
    & skf18("9","4","2","7","4","6","1") = "8"
    & skf18("9","4","2","7","4","7","1") = "8"
    & skf18("9","4","2","7","4","8","1") = "8"
    & skf18("9","4","2","7","4","9","1") = "8"
    & skf18("9","4","2","7","4","10","1") = "9"
    & skf18("9","4","2","7","5","1","1") = "8"
    & skf18("9","4","2","7","5","2","1") = "8"
    & skf18("9","4","2","7","5","3","1") = "8"
    & skf18("9","4","2","7","5","4","1") = "8"
    & skf18("9","4","2","7","5","5","1") = "8"
    & skf18("9","4","2","7","5","6","1") = "8"
    & skf18("9","4","2","7","5","7","1") = "8"
    & skf18("9","4","2","7","5","8","1") = "8"
    & skf18("9","4","2","7","5","9","1") = "8"
    & skf18("9","4","2","7","5","10","1") = "9"
    & skf18("9","4","2","7","6","1","1") = "8"
    & skf18("9","4","2","7","6","2","1") = "8"
    & skf18("9","4","2","7","6","3","1") = "8"
    & skf18("9","4","2","7","6","4","1") = "8"
    & skf18("9","4","2","7","6","5","1") = "8"
    & skf18("9","4","2","7","6","6","1") = "8"
    & skf18("9","4","2","7","6","7","1") = "8"
    & skf18("9","4","2","7","6","8","1") = "8"
    & skf18("9","4","2","7","6","9","1") = "8"
    & skf18("9","4","2","7","6","10","1") = "9"
    & skf18("9","4","2","7","7","1","1") = "8"
    & skf18("9","4","2","7","7","2","1") = "8"
    & skf18("9","4","2","7","7","3","1") = "8"
    & skf18("9","4","2","7","7","4","1") = "8"
    & skf18("9","4","2","7","7","5","1") = "8"
    & skf18("9","4","2","7","7","6","1") = "8"
    & skf18("9","4","2","7","7","7","1") = "8"
    & skf18("9","4","2","7","7","8","1") = "8"
    & skf18("9","4","2","7","7","9","1") = "8"
    & skf18("9","4","2","7","7","10","1") = "9"
    & skf18("9","4","2","7","8","1","1") = "8"
    & skf18("9","4","2","7","8","2","1") = "8"
    & skf18("9","4","2","7","8","3","1") = "8"
    & skf18("9","4","2","7","8","4","1") = "8"
    & skf18("9","4","2","7","8","5","1") = "8"
    & skf18("9","4","2","7","8","6","1") = "8"
    & skf18("9","4","2","7","8","7","1") = "8"
    & skf18("9","4","2","7","8","8","1") = "8"
    & skf18("9","4","2","7","8","9","1") = "8"
    & skf18("9","4","2","7","8","10","1") = "9"
    & skf18("9","4","2","7","9","1","1") = "8"
    & skf18("9","4","2","7","9","2","1") = "8"
    & skf18("9","4","2","7","9","3","1") = "8"
    & skf18("9","4","2","7","9","4","1") = "8"
    & skf18("9","4","2","7","9","5","1") = "8"
    & skf18("9","4","2","7","9","6","1") = "8"
    & skf18("9","4","2","7","9","7","1") = "8"
    & skf18("9","4","2","7","9","8","1") = "8"
    & skf18("9","4","2","7","9","9","1") = "8"
    & skf18("9","4","2","7","9","10","1") = "9"
    & skf18("9","4","2","7","10","1","1") = "9"
    & skf18("9","4","2","7","10","2","1") = "9"
    & skf18("9","4","2","7","10","3","1") = "9"
    & skf18("9","4","2","7","10","4","1") = "9"
    & skf18("9","4","2","7","10","5","1") = "9"
    & skf18("9","4","2","7","10","6","1") = "9"
    & skf18("9","4","2","7","10","7","1") = "9"
    & skf18("9","4","2","7","10","8","1") = "9"
    & skf18("9","4","2","7","10","9","1") = "9"
    & skf18("9","4","2","7","10","10","1") = "9"
    & skf18("9","4","2","8","1","1","1") = "8"
    & skf18("9","4","2","8","1","2","1") = "8"
    & skf18("9","4","2","8","1","3","1") = "8"
    & skf18("9","4","2","8","1","4","1") = "8"
    & skf18("9","4","2","8","1","5","1") = "8"
    & skf18("9","4","2","8","1","6","1") = "8"
    & skf18("9","4","2","8","1","7","1") = "8"
    & skf18("9","4","2","8","1","8","1") = "8"
    & skf18("9","4","2","8","1","9","1") = "8"
    & skf18("9","4","2","8","1","10","1") = "9"
    & skf18("9","4","2","8","2","1","1") = "8"
    & skf18("9","4","2","8","2","2","1") = "8"
    & skf18("9","4","2","8","2","3","1") = "8"
    & skf18("9","4","2","8","2","4","1") = "8"
    & skf18("9","4","2","8","2","5","1") = "8"
    & skf18("9","4","2","8","2","6","1") = "8"
    & skf18("9","4","2","8","2","7","1") = "8"
    & skf18("9","4","2","8","2","8","1") = "8"
    & skf18("9","4","2","8","2","9","1") = "8"
    & skf18("9","4","2","8","2","10","1") = "9"
    & skf18("9","4","2","8","3","1","1") = "8"
    & skf18("9","4","2","8","3","2","1") = "8"
    & skf18("9","4","2","8","3","3","1") = "8"
    & skf18("9","4","2","8","3","4","1") = "8"
    & skf18("9","4","2","8","3","5","1") = "8"
    & skf18("9","4","2","8","3","6","1") = "8"
    & skf18("9","4","2","8","3","7","1") = "8"
    & skf18("9","4","2","8","3","8","1") = "8"
    & skf18("9","4","2","8","3","9","1") = "8"
    & skf18("9","4","2","8","3","10","1") = "9"
    & skf18("9","4","2","8","4","1","1") = "8"
    & skf18("9","4","2","8","4","2","1") = "8"
    & skf18("9","4","2","8","4","3","1") = "8"
    & skf18("9","4","2","8","4","4","1") = "8"
    & skf18("9","4","2","8","4","5","1") = "8"
    & skf18("9","4","2","8","4","6","1") = "8"
    & skf18("9","4","2","8","4","7","1") = "8"
    & skf18("9","4","2","8","4","8","1") = "8"
    & skf18("9","4","2","8","4","9","1") = "8"
    & skf18("9","4","2","8","4","10","1") = "9"
    & skf18("9","4","2","8","5","1","1") = "8"
    & skf18("9","4","2","8","5","2","1") = "8"
    & skf18("9","4","2","8","5","3","1") = "8"
    & skf18("9","4","2","8","5","4","1") = "8"
    & skf18("9","4","2","8","5","5","1") = "8"
    & skf18("9","4","2","8","5","6","1") = "8"
    & skf18("9","4","2","8","5","7","1") = "8"
    & skf18("9","4","2","8","5","8","1") = "8"
    & skf18("9","4","2","8","5","9","1") = "8"
    & skf18("9","4","2","8","5","10","1") = "9"
    & skf18("9","4","2","8","6","1","1") = "8"
    & skf18("9","4","2","8","6","2","1") = "8"
    & skf18("9","4","2","8","6","3","1") = "8"
    & skf18("9","4","2","8","6","4","1") = "8"
    & skf18("9","4","2","8","6","5","1") = "8"
    & skf18("9","4","2","8","6","6","1") = "8"
    & skf18("9","4","2","8","6","7","1") = "8"
    & skf18("9","4","2","8","6","8","1") = "8"
    & skf18("9","4","2","8","6","9","1") = "8"
    & skf18("9","4","2","8","6","10","1") = "9"
    & skf18("9","4","2","8","7","1","1") = "8"
    & skf18("9","4","2","8","7","2","1") = "8"
    & skf18("9","4","2","8","7","3","1") = "8"
    & skf18("9","4","2","8","7","4","1") = "8"
    & skf18("9","4","2","8","7","5","1") = "8"
    & skf18("9","4","2","8","7","6","1") = "8"
    & skf18("9","4","2","8","7","7","1") = "8"
    & skf18("9","4","2","8","7","8","1") = "8"
    & skf18("9","4","2","8","7","9","1") = "8"
    & skf18("9","4","2","8","7","10","1") = "9"
    & skf18("9","4","2","8","8","1","1") = "8"
    & skf18("9","4","2","8","8","2","1") = "8"
    & skf18("9","4","2","8","8","3","1") = "8"
    & skf18("9","4","2","8","8","4","1") = "8"
    & skf18("9","4","2","8","8","5","1") = "8"
    & skf18("9","4","2","8","8","6","1") = "8"
    & skf18("9","4","2","8","8","7","1") = "8"
    & skf18("9","4","2","8","8","8","1") = "8"
    & skf18("9","4","2","8","8","9","1") = "8"
    & skf18("9","4","2","8","8","10","1") = "9"
    & skf18("9","4","2","8","9","1","1") = "8"
    & skf18("9","4","2","8","9","2","1") = "8"
    & skf18("9","4","2","8","9","3","1") = "8"
    & skf18("9","4","2","8","9","4","1") = "8"
    & skf18("9","4","2","8","9","5","1") = "8"
    & skf18("9","4","2","8","9","6","1") = "8"
    & skf18("9","4","2","8","9","7","1") = "8"
    & skf18("9","4","2","8","9","8","1") = "8"
    & skf18("9","4","2","8","9","9","1") = "8"
    & skf18("9","4","2","8","9","10","1") = "9"
    & skf18("9","4","2","8","10","1","1") = "9"
    & skf18("9","4","2","8","10","2","1") = "9"
    & skf18("9","4","2","8","10","3","1") = "9"
    & skf18("9","4","2","8","10","4","1") = "9"
    & skf18("9","4","2","8","10","5","1") = "9"
    & skf18("9","4","2","8","10","6","1") = "9"
    & skf18("9","4","2","8","10","7","1") = "9"
    & skf18("9","4","2","8","10","8","1") = "9"
    & skf18("9","4","2","8","10","9","1") = "9"
    & skf18("9","4","2","8","10","10","1") = "9"
    & skf18("9","4","2","9","1","1","1") = "8"
    & skf18("9","4","2","9","1","2","1") = "8"
    & skf18("9","4","2","9","1","3","1") = "8"
    & skf18("9","4","2","9","1","4","1") = "8"
    & skf18("9","4","2","9","1","5","1") = "8"
    & skf18("9","4","2","9","1","6","1") = "8"
    & skf18("9","4","2","9","1","7","1") = "8"
    & skf18("9","4","2","9","1","8","1") = "8"
    & skf18("9","4","2","9","1","9","1") = "8"
    & skf18("9","4","2","9","1","10","1") = "9"
    & skf18("9","4","2","9","2","1","1") = "8"
    & skf18("9","4","2","9","2","2","1") = "8"
    & skf18("9","4","2","9","2","3","1") = "8"
    & skf18("9","4","2","9","2","4","1") = "8"
    & skf18("9","4","2","9","2","5","1") = "8"
    & skf18("9","4","2","9","2","6","1") = "8"
    & skf18("9","4","2","9","2","7","1") = "8"
    & skf18("9","4","2","9","2","8","1") = "8"
    & skf18("9","4","2","9","2","9","1") = "8"
    & skf18("9","4","2","9","2","10","1") = "9"
    & skf18("9","4","2","9","3","1","1") = "8"
    & skf18("9","4","2","9","3","2","1") = "8"
    & skf18("9","4","2","9","3","3","1") = "8"
    & skf18("9","4","2","9","3","4","1") = "8"
    & skf18("9","4","2","9","3","5","1") = "8"
    & skf18("9","4","2","9","3","6","1") = "8"
    & skf18("9","4","2","9","3","7","1") = "8"
    & skf18("9","4","2","9","3","8","1") = "8"
    & skf18("9","4","2","9","3","9","1") = "8"
    & skf18("9","4","2","9","3","10","1") = "9"
    & skf18("9","4","2","9","4","1","1") = "8"
    & skf18("9","4","2","9","4","2","1") = "8"
    & skf18("9","4","2","9","4","3","1") = "8"
    & skf18("9","4","2","9","4","4","1") = "8"
    & skf18("9","4","2","9","4","5","1") = "8"
    & skf18("9","4","2","9","4","6","1") = "8"
    & skf18("9","4","2","9","4","7","1") = "8"
    & skf18("9","4","2","9","4","8","1") = "8"
    & skf18("9","4","2","9","4","9","1") = "8"
    & skf18("9","4","2","9","4","10","1") = "9"
    & skf18("9","4","2","9","5","1","1") = "8"
    & skf18("9","4","2","9","5","2","1") = "8"
    & skf18("9","4","2","9","5","3","1") = "8"
    & skf18("9","4","2","9","5","4","1") = "8"
    & skf18("9","4","2","9","5","5","1") = "8"
    & skf18("9","4","2","9","5","6","1") = "8"
    & skf18("9","4","2","9","5","7","1") = "8"
    & skf18("9","4","2","9","5","8","1") = "8"
    & skf18("9","4","2","9","5","9","1") = "8"
    & skf18("9","4","2","9","5","10","1") = "9"
    & skf18("9","4","2","9","6","1","1") = "8"
    & skf18("9","4","2","9","6","2","1") = "8"
    & skf18("9","4","2","9","6","3","1") = "8"
    & skf18("9","4","2","9","6","4","1") = "8"
    & skf18("9","4","2","9","6","5","1") = "8"
    & skf18("9","4","2","9","6","6","1") = "8"
    & skf18("9","4","2","9","6","7","1") = "8"
    & skf18("9","4","2","9","6","8","1") = "8"
    & skf18("9","4","2","9","6","9","1") = "8"
    & skf18("9","4","2","9","6","10","1") = "9"
    & skf18("9","4","2","9","7","1","1") = "8"
    & skf18("9","4","2","9","7","2","1") = "8"
    & skf18("9","4","2","9","7","3","1") = "8"
    & skf18("9","4","2","9","7","4","1") = "8"
    & skf18("9","4","2","9","7","5","1") = "8"
    & skf18("9","4","2","9","7","6","1") = "8"
    & skf18("9","4","2","9","7","7","1") = "8"
    & skf18("9","4","2","9","7","8","1") = "8"
    & skf18("9","4","2","9","7","9","1") = "8"
    & skf18("9","4","2","9","7","10","1") = "9"
    & skf18("9","4","2","9","8","1","1") = "8"
    & skf18("9","4","2","9","8","2","1") = "8"
    & skf18("9","4","2","9","8","3","1") = "8"
    & skf18("9","4","2","9","8","4","1") = "8"
    & skf18("9","4","2","9","8","5","1") = "8"
    & skf18("9","4","2","9","8","6","1") = "8"
    & skf18("9","4","2","9","8","7","1") = "8"
    & skf18("9","4","2","9","8","8","1") = "8"
    & skf18("9","4","2","9","8","9","1") = "8"
    & skf18("9","4","2","9","8","10","1") = "9"
    & skf18("9","4","2","9","9","1","1") = "8"
    & skf18("9","4","2","9","9","2","1") = "8"
    & skf18("9","4","2","9","9","3","1") = "8"
    & skf18("9","4","2","9","9","4","1") = "8"
    & skf18("9","4","2","9","9","5","1") = "8"
    & skf18("9","4","2","9","9","6","1") = "8"
    & skf18("9","4","2","9","9","7","1") = "8"
    & skf18("9","4","2","9","9","8","1") = "8"
    & skf18("9","4","2","9","9","9","1") = "8"
    & skf18("9","4","2","9","9","10","1") = "9"
    & skf18("9","4","2","9","10","1","1") = "9"
    & skf18("9","4","2","9","10","2","1") = "9"
    & skf18("9","4","2","9","10","3","1") = "9"
    & skf18("9","4","2","9","10","4","1") = "9"
    & skf18("9","4","2","9","10","5","1") = "9"
    & skf18("9","4","2","9","10","6","1") = "9"
    & skf18("9","4","2","9","10","7","1") = "9"
    & skf18("9","4","2","9","10","8","1") = "9"
    & skf18("9","4","2","9","10","9","1") = "9"
    & skf18("9","4","2","9","10","10","1") = "9"
    & skf18("9","4","2","10","1","1","1") = "9"
    & skf18("9","4","2","10","1","2","1") = "9"
    & skf18("9","4","2","10","1","3","1") = "9"
    & skf18("9","4","2","10","1","4","1") = "9"
    & skf18("9","4","2","10","1","5","1") = "9"
    & skf18("9","4","2","10","1","6","1") = "9"
    & skf18("9","4","2","10","1","7","1") = "9"
    & skf18("9","4","2","10","1","8","1") = "9"
    & skf18("9","4","2","10","1","9","1") = "9"
    & skf18("9","4","2","10","1","10","1") = "9"
    & skf18("9","4","2","10","2","1","1") = "9"
    & skf18("9","4","2","10","2","2","1") = "9"
    & skf18("9","4","2","10","2","3","1") = "9"
    & skf18("9","4","2","10","2","4","1") = "9"
    & skf18("9","4","2","10","2","5","1") = "9"
    & skf18("9","4","2","10","2","6","1") = "9"
    & skf18("9","4","2","10","2","7","1") = "9"
    & skf18("9","4","2","10","2","8","1") = "9"
    & skf18("9","4","2","10","2","9","1") = "9"
    & skf18("9","4","2","10","2","10","1") = "9"
    & skf18("9","4","2","10","3","1","1") = "9"
    & skf18("9","4","2","10","3","2","1") = "9"
    & skf18("9","4","2","10","3","3","1") = "9"
    & skf18("9","4","2","10","3","4","1") = "9"
    & skf18("9","4","2","10","3","5","1") = "9"
    & skf18("9","4","2","10","3","6","1") = "9"
    & skf18("9","4","2","10","3","7","1") = "9"
    & skf18("9","4","2","10","3","8","1") = "9"
    & skf18("9","4","2","10","3","9","1") = "9"
    & skf18("9","4","2","10","3","10","1") = "9"
    & skf18("9","4","2","10","4","1","1") = "9"
    & skf18("9","4","2","10","4","2","1") = "9"
    & skf18("9","4","2","10","4","3","1") = "9"
    & skf18("9","4","2","10","4","4","1") = "9"
    & skf18("9","4","2","10","4","5","1") = "9"
    & skf18("9","4","2","10","4","6","1") = "9"
    & skf18("9","4","2","10","4","7","1") = "9"
    & skf18("9","4","2","10","4","8","1") = "9"
    & skf18("9","4","2","10","4","9","1") = "9"
    & skf18("9","4","2","10","4","10","1") = "9"
    & skf18("9","4","2","10","5","1","1") = "9"
    & skf18("9","4","2","10","5","2","1") = "9"
    & skf18("9","4","2","10","5","3","1") = "9"
    & skf18("9","4","2","10","5","4","1") = "9"
    & skf18("9","4","2","10","5","5","1") = "9"
    & skf18("9","4","2","10","5","6","1") = "9"
    & skf18("9","4","2","10","5","7","1") = "9"
    & skf18("9","4","2","10","5","8","1") = "9"
    & skf18("9","4","2","10","5","9","1") = "9"
    & skf18("9","4","2","10","5","10","1") = "9"
    & skf18("9","4","2","10","6","1","1") = "9"
    & skf18("9","4","2","10","6","2","1") = "9"
    & skf18("9","4","2","10","6","3","1") = "9"
    & skf18("9","4","2","10","6","4","1") = "9"
    & skf18("9","4","2","10","6","5","1") = "9"
    & skf18("9","4","2","10","6","6","1") = "9"
    & skf18("9","4","2","10","6","7","1") = "9"
    & skf18("9","4","2","10","6","8","1") = "9"
    & skf18("9","4","2","10","6","9","1") = "9"
    & skf18("9","4","2","10","6","10","1") = "9"
    & skf18("9","4","2","10","7","1","1") = "9"
    & skf18("9","4","2","10","7","2","1") = "9"
    & skf18("9","4","2","10","7","3","1") = "9"
    & skf18("9","4","2","10","7","4","1") = "9"
    & skf18("9","4","2","10","7","5","1") = "9"
    & skf18("9","4","2","10","7","6","1") = "9"
    & skf18("9","4","2","10","7","7","1") = "9"
    & skf18("9","4","2","10","7","8","1") = "9"
    & skf18("9","4","2","10","7","9","1") = "9"
    & skf18("9","4","2","10","7","10","1") = "9"
    & skf18("9","4","2","10","8","1","1") = "9"
    & skf18("9","4","2","10","8","2","1") = "9"
    & skf18("9","4","2","10","8","3","1") = "9"
    & skf18("9","4","2","10","8","4","1") = "9"
    & skf18("9","4","2","10","8","5","1") = "9"
    & skf18("9","4","2","10","8","6","1") = "9"
    & skf18("9","4","2","10","8","7","1") = "9"
    & skf18("9","4","2","10","8","8","1") = "9"
    & skf18("9","4","2","10","8","9","1") = "9"
    & skf18("9","4","2","10","8","10","1") = "9"
    & skf18("9","4","2","10","9","1","1") = "9"
    & skf18("9","4","2","10","9","2","1") = "9"
    & skf18("9","4","2","10","9","3","1") = "9"
    & skf18("9","4","2","10","9","4","1") = "9"
    & skf18("9","4","2","10","9","5","1") = "9"
    & skf18("9","4","2","10","9","6","1") = "9"
    & skf18("9","4","2","10","9","7","1") = "9"
    & skf18("9","4","2","10","9","8","1") = "9"
    & skf18("9","4","2","10","9","9","1") = "9"
    & skf18("9","4","2","10","9","10","1") = "9"
    & skf18("9","4","2","10","10","1","1") = "9"
    & skf18("9","4","2","10","10","2","1") = "9"
    & skf18("9","4","2","10","10","3","1") = "9"
    & skf18("9","4","2","10","10","4","1") = "9"
    & skf18("9","4","2","10","10","5","1") = "9"
    & skf18("9","4","2","10","10","6","1") = "9"
    & skf18("9","4","2","10","10","7","1") = "9"
    & skf18("9","4","2","10","10","8","1") = "9"
    & skf18("9","4","2","10","10","9","1") = "9"
    & skf18("9","4","2","10","10","10","1") = "9"
    & skf18("9","4","3","1","1","1","1") = "8"
    & skf18("9","4","3","1","1","2","1") = "8"
    & skf18("9","4","3","1","1","3","1") = "8"
    & skf18("9","4","3","1","1","4","1") = "8"
    & skf18("9","4","3","1","1","5","1") = "8"
    & skf18("9","4","3","1","1","6","1") = "8"
    & skf18("9","4","3","1","1","7","1") = "8"
    & skf18("9","4","3","1","1","8","1") = "8"
    & skf18("9","4","3","1","1","9","1") = "8"
    & skf18("9","4","3","1","1","10","1") = "9"
    & skf18("9","4","3","1","2","1","1") = "8"
    & skf18("9","4","3","1","2","2","1") = "8"
    & skf18("9","4","3","1","2","3","1") = "8"
    & skf18("9","4","3","1","2","4","1") = "8"
    & skf18("9","4","3","1","2","5","1") = "8"
    & skf18("9","4","3","1","2","6","1") = "8"
    & skf18("9","4","3","1","2","7","1") = "8"
    & skf18("9","4","3","1","2","8","1") = "8"
    & skf18("9","4","3","1","2","9","1") = "8"
    & skf18("9","4","3","1","2","10","1") = "9"
    & skf18("9","4","3","1","3","1","1") = "8"
    & skf18("9","4","3","1","3","2","1") = "8"
    & skf18("9","4","3","1","3","3","1") = "8"
    & skf18("9","4","3","1","3","4","1") = "8"
    & skf18("9","4","3","1","3","5","1") = "8"
    & skf18("9","4","3","1","3","6","1") = "8"
    & skf18("9","4","3","1","3","7","1") = "8"
    & skf18("9","4","3","1","3","8","1") = "8"
    & skf18("9","4","3","1","3","9","1") = "8"
    & skf18("9","4","3","1","3","10","1") = "9"
    & skf18("9","4","3","1","4","1","1") = "8"
    & skf18("9","4","3","1","4","2","1") = "8"
    & skf18("9","4","3","1","4","3","1") = "8"
    & skf18("9","4","3","1","4","4","1") = "8"
    & skf18("9","4","3","1","4","5","1") = "8"
    & skf18("9","4","3","1","4","6","1") = "8"
    & skf18("9","4","3","1","4","7","1") = "8"
    & skf18("9","4","3","1","4","8","1") = "8"
    & skf18("9","4","3","1","4","9","1") = "8"
    & skf18("9","4","3","1","4","10","1") = "9"
    & skf18("9","4","3","1","5","1","1") = "8"
    & skf18("9","4","3","1","5","2","1") = "8"
    & skf18("9","4","3","1","5","3","1") = "8"
    & skf18("9","4","3","1","5","4","1") = "8"
    & skf18("9","4","3","1","5","5","1") = "8"
    & skf18("9","4","3","1","5","6","1") = "8"
    & skf18("9","4","3","1","5","7","1") = "8"
    & skf18("9","4","3","1","5","8","1") = "8"
    & skf18("9","4","3","1","5","9","1") = "8"
    & skf18("9","4","3","1","5","10","1") = "9"
    & skf18("9","4","3","1","6","1","1") = "8"
    & skf18("9","4","3","1","6","2","1") = "8"
    & skf18("9","4","3","1","6","3","1") = "8"
    & skf18("9","4","3","1","6","4","1") = "8"
    & skf18("9","4","3","1","6","5","1") = "8"
    & skf18("9","4","3","1","6","6","1") = "8"
    & skf18("9","4","3","1","6","7","1") = "8"
    & skf18("9","4","3","1","6","8","1") = "8"
    & skf18("9","4","3","1","6","9","1") = "8"
    & skf18("9","4","3","1","6","10","1") = "9"
    & skf18("9","4","3","1","7","1","1") = "8"
    & skf18("9","4","3","1","7","2","1") = "8"
    & skf18("9","4","3","1","7","3","1") = "8"
    & skf18("9","4","3","1","7","4","1") = "8"
    & skf18("9","4","3","1","7","5","1") = "8"
    & skf18("9","4","3","1","7","6","1") = "8"
    & skf18("9","4","3","1","7","7","1") = "8"
    & skf18("9","4","3","1","7","8","1") = "8"
    & skf18("9","4","3","1","7","9","1") = "8"
    & skf18("9","4","3","1","7","10","1") = "9"
    & skf18("9","4","3","1","8","1","1") = "8"
    & skf18("9","4","3","1","8","2","1") = "8"
    & skf18("9","4","3","1","8","3","1") = "8"
    & skf18("9","4","3","1","8","4","1") = "8"
    & skf18("9","4","3","1","8","5","1") = "8"
    & skf18("9","4","3","1","8","6","1") = "8"
    & skf18("9","4","3","1","8","7","1") = "8"
    & skf18("9","4","3","1","8","8","1") = "8"
    & skf18("9","4","3","1","8","9","1") = "8"
    & skf18("9","4","3","1","8","10","1") = "9"
    & skf18("9","4","3","1","9","1","1") = "8"
    & skf18("9","4","3","1","9","2","1") = "8"
    & skf18("9","4","3","1","9","3","1") = "8"
    & skf18("9","4","3","1","9","4","1") = "8"
    & skf18("9","4","3","1","9","5","1") = "8"
    & skf18("9","4","3","1","9","6","1") = "8"
    & skf18("9","4","3","1","9","7","1") = "8"
    & skf18("9","4","3","1","9","8","1") = "8"
    & skf18("9","4","3","1","9","9","1") = "8"
    & skf18("9","4","3","1","9","10","1") = "9"
    & skf18("9","4","3","1","10","1","1") = "9"
    & skf18("9","4","3","1","10","2","1") = "9"
    & skf18("9","4","3","1","10","3","1") = "9"
    & skf18("9","4","3","1","10","4","1") = "9"
    & skf18("9","4","3","1","10","5","1") = "9"
    & skf18("9","4","3","1","10","6","1") = "9"
    & skf18("9","4","3","1","10","7","1") = "9"
    & skf18("9","4","3","1","10","8","1") = "9"
    & skf18("9","4","3","1","10","9","1") = "9"
    & skf18("9","4","3","1","10","10","1") = "9"
    & skf18("9","4","3","2","1","1","1") = "8"
    & skf18("9","4","3","2","1","2","1") = "8"
    & skf18("9","4","3","2","1","3","1") = "8"
    & skf18("9","4","3","2","1","4","1") = "8"
    & skf18("9","4","3","2","1","5","1") = "8"
    & skf18("9","4","3","2","1","6","1") = "8"
    & skf18("9","4","3","2","1","7","1") = "8"
    & skf18("9","4","3","2","1","8","1") = "8"
    & skf18("9","4","3","2","1","9","1") = "8"
    & skf18("9","4","3","2","1","10","1") = "9"
    & skf18("9","4","3","2","2","1","1") = "8"
    & skf18("9","4","3","2","2","2","1") = "8"
    & skf18("9","4","3","2","2","3","1") = "8"
    & skf18("9","4","3","2","2","4","1") = "8"
    & skf18("9","4","3","2","2","5","1") = "8"
    & skf18("9","4","3","2","2","6","1") = "8"
    & skf18("9","4","3","2","2","7","1") = "8"
    & skf18("9","4","3","2","2","8","1") = "8"
    & skf18("9","4","3","2","2","9","1") = "8"
    & skf18("9","4","3","2","2","10","1") = "9"
    & skf18("9","4","3","2","3","1","1") = "8"
    & skf18("9","4","3","2","3","2","1") = "8"
    & skf18("9","4","3","2","3","3","1") = "8"
    & skf18("9","4","3","2","3","4","1") = "8"
    & skf18("9","4","3","2","3","5","1") = "8"
    & skf18("9","4","3","2","3","6","1") = "8"
    & skf18("9","4","3","2","3","7","1") = "8"
    & skf18("9","4","3","2","3","8","1") = "8"
    & skf18("9","4","3","2","3","9","1") = "8"
    & skf18("9","4","3","2","3","10","1") = "9"
    & skf18("9","4","3","2","4","1","1") = "8"
    & skf18("9","4","3","2","4","2","1") = "8"
    & skf18("9","4","3","2","4","3","1") = "8"
    & skf18("9","4","3","2","4","4","1") = "8"
    & skf18("9","4","3","2","4","5","1") = "8"
    & skf18("9","4","3","2","4","6","1") = "8"
    & skf18("9","4","3","2","4","7","1") = "8"
    & skf18("9","4","3","2","4","8","1") = "8"
    & skf18("9","4","3","2","4","9","1") = "8"
    & skf18("9","4","3","2","4","10","1") = "9"
    & skf18("9","4","3","2","5","1","1") = "8"
    & skf18("9","4","3","2","5","2","1") = "8"
    & skf18("9","4","3","2","5","3","1") = "8"
    & skf18("9","4","3","2","5","4","1") = "8"
    & skf18("9","4","3","2","5","5","1") = "8"
    & skf18("9","4","3","2","5","6","1") = "8"
    & skf18("9","4","3","2","5","7","1") = "8"
    & skf18("9","4","3","2","5","8","1") = "8"
    & skf18("9","4","3","2","5","9","1") = "8"
    & skf18("9","4","3","2","5","10","1") = "9"
    & skf18("9","4","3","2","6","1","1") = "8"
    & skf18("9","4","3","2","6","2","1") = "8"
    & skf18("9","4","3","2","6","3","1") = "8"
    & skf18("9","4","3","2","6","4","1") = "8"
    & skf18("9","4","3","2","6","5","1") = "8"
    & skf18("9","4","3","2","6","6","1") = "8"
    & skf18("9","4","3","2","6","7","1") = "8"
    & skf18("9","4","3","2","6","8","1") = "8"
    & skf18("9","4","3","2","6","9","1") = "8"
    & skf18("9","4","3","2","6","10","1") = "9"
    & skf18("9","4","3","2","7","1","1") = "8"
    & skf18("9","4","3","2","7","2","1") = "8"
    & skf18("9","4","3","2","7","3","1") = "8"
    & skf18("9","4","3","2","7","4","1") = "8"
    & skf18("9","4","3","2","7","5","1") = "8"
    & skf18("9","4","3","2","7","6","1") = "8"
    & skf18("9","4","3","2","7","7","1") = "8"
    & skf18("9","4","3","2","7","8","1") = "8"
    & skf18("9","4","3","2","7","9","1") = "8"
    & skf18("9","4","3","2","7","10","1") = "9"
    & skf18("9","4","3","2","8","1","1") = "8"
    & skf18("9","4","3","2","8","2","1") = "8"
    & skf18("9","4","3","2","8","3","1") = "8"
    & skf18("9","4","3","2","8","4","1") = "8"
    & skf18("9","4","3","2","8","5","1") = "8"
    & skf18("9","4","3","2","8","6","1") = "8"
    & skf18("9","4","3","2","8","7","1") = "8"
    & skf18("9","4","3","2","8","8","1") = "8"
    & skf18("9","4","3","2","8","9","1") = "8"
    & skf18("9","4","3","2","8","10","1") = "9"
    & skf18("9","4","3","2","9","1","1") = "8"
    & skf18("9","4","3","2","9","2","1") = "8"
    & skf18("9","4","3","2","9","3","1") = "8"
    & skf18("9","4","3","2","9","4","1") = "8"
    & skf18("9","4","3","2","9","5","1") = "8"
    & skf18("9","4","3","2","9","6","1") = "8"
    & skf18("9","4","3","2","9","7","1") = "8"
    & skf18("9","4","3","2","9","8","1") = "8"
    & skf18("9","4","3","2","9","9","1") = "8"
    & skf18("9","4","3","2","9","10","1") = "9"
    & skf18("9","4","3","2","10","1","1") = "9"
    & skf18("9","4","3","2","10","2","1") = "9"
    & skf18("9","4","3","2","10","3","1") = "9"
    & skf18("9","4","3","2","10","4","1") = "9"
    & skf18("9","4","3","2","10","5","1") = "9"
    & skf18("9","4","3","2","10","6","1") = "9"
    & skf18("9","4","3","2","10","7","1") = "9"
    & skf18("9","4","3","2","10","8","1") = "9"
    & skf18("9","4","3","2","10","9","1") = "9"
    & skf18("9","4","3","2","10","10","1") = "9"
    & skf18("9","4","3","3","1","1","1") = "8"
    & skf18("9","4","3","3","1","2","1") = "8"
    & skf18("9","4","3","3","1","3","1") = "8"
    & skf18("9","4","3","3","1","4","1") = "8"
    & skf18("9","4","3","3","1","5","1") = "8"
    & skf18("9","4","3","3","1","6","1") = "8"
    & skf18("9","4","3","3","1","7","1") = "8"
    & skf18("9","4","3","3","1","8","1") = "8"
    & skf18("9","4","3","3","1","9","1") = "8"
    & skf18("9","4","3","3","1","10","1") = "9"
    & skf18("9","4","3","3","2","1","1") = "8"
    & skf18("9","4","3","3","2","2","1") = "8"
    & skf18("9","4","3","3","2","3","1") = "8"
    & skf18("9","4","3","3","2","4","1") = "8"
    & skf18("9","4","3","3","2","5","1") = "8"
    & skf18("9","4","3","3","2","6","1") = "8"
    & skf18("9","4","3","3","2","7","1") = "8"
    & skf18("9","4","3","3","2","8","1") = "8"
    & skf18("9","4","3","3","2","9","1") = "8"
    & skf18("9","4","3","3","2","10","1") = "9"
    & skf18("9","4","3","3","3","1","1") = "8"
    & skf18("9","4","3","3","3","2","1") = "8"
    & skf18("9","4","3","3","3","3","1") = "8"
    & skf18("9","4","3","3","3","4","1") = "8"
    & skf18("9","4","3","3","3","5","1") = "8"
    & skf18("9","4","3","3","3","6","1") = "8"
    & skf18("9","4","3","3","3","7","1") = "8"
    & skf18("9","4","3","3","3","8","1") = "8"
    & skf18("9","4","3","3","3","9","1") = "8"
    & skf18("9","4","3","3","3","10","1") = "9"
    & skf18("9","4","3","3","4","1","1") = "8"
    & skf18("9","4","3","3","4","2","1") = "8"
    & skf18("9","4","3","3","4","3","1") = "8"
    & skf18("9","4","3","3","4","4","1") = "8"
    & skf18("9","4","3","3","4","5","1") = "8"
    & skf18("9","4","3","3","4","6","1") = "8"
    & skf18("9","4","3","3","4","7","1") = "8"
    & skf18("9","4","3","3","4","8","1") = "8"
    & skf18("9","4","3","3","4","9","1") = "8"
    & skf18("9","4","3","3","4","10","1") = "9"
    & skf18("9","4","3","3","5","1","1") = "8"
    & skf18("9","4","3","3","5","2","1") = "8"
    & skf18("9","4","3","3","5","3","1") = "8"
    & skf18("9","4","3","3","5","4","1") = "8"
    & skf18("9","4","3","3","5","5","1") = "8"
    & skf18("9","4","3","3","5","6","1") = "8"
    & skf18("9","4","3","3","5","7","1") = "8"
    & skf18("9","4","3","3","5","8","1") = "8"
    & skf18("9","4","3","3","5","9","1") = "8"
    & skf18("9","4","3","3","5","10","1") = "9"
    & skf18("9","4","3","3","6","1","1") = "8"
    & skf18("9","4","3","3","6","2","1") = "8"
    & skf18("9","4","3","3","6","3","1") = "8"
    & skf18("9","4","3","3","6","4","1") = "8"
    & skf18("9","4","3","3","6","5","1") = "8"
    & skf18("9","4","3","3","6","6","1") = "8"
    & skf18("9","4","3","3","6","7","1") = "8"
    & skf18("9","4","3","3","6","8","1") = "8"
    & skf18("9","4","3","3","6","9","1") = "8"
    & skf18("9","4","3","3","6","10","1") = "9"
    & skf18("9","4","3","3","7","1","1") = "8"
    & skf18("9","4","3","3","7","2","1") = "8"
    & skf18("9","4","3","3","7","3","1") = "8"
    & skf18("9","4","3","3","7","4","1") = "8"
    & skf18("9","4","3","3","7","5","1") = "8"
    & skf18("9","4","3","3","7","6","1") = "8"
    & skf18("9","4","3","3","7","7","1") = "8"
    & skf18("9","4","3","3","7","8","1") = "8"
    & skf18("9","4","3","3","7","9","1") = "8"
    & skf18("9","4","3","3","7","10","1") = "9"
    & skf18("9","4","3","3","8","1","1") = "8"
    & skf18("9","4","3","3","8","2","1") = "8"
    & skf18("9","4","3","3","8","3","1") = "8"
    & skf18("9","4","3","3","8","4","1") = "8"
    & skf18("9","4","3","3","8","5","1") = "8"
    & skf18("9","4","3","3","8","6","1") = "8"
    & skf18("9","4","3","3","8","7","1") = "8"
    & skf18("9","4","3","3","8","8","1") = "8"
    & skf18("9","4","3","3","8","9","1") = "8"
    & skf18("9","4","3","3","8","10","1") = "9"
    & skf18("9","4","3","3","9","1","1") = "8"
    & skf18("9","4","3","3","9","2","1") = "8"
    & skf18("9","4","3","3","9","3","1") = "8"
    & skf18("9","4","3","3","9","4","1") = "8"
    & skf18("9","4","3","3","9","5","1") = "8"
    & skf18("9","4","3","3","9","6","1") = "8"
    & skf18("9","4","3","3","9","7","1") = "8"
    & skf18("9","4","3","3","9","8","1") = "8"
    & skf18("9","4","3","3","9","9","1") = "8"
    & skf18("9","4","3","3","9","10","1") = "9"
    & skf18("9","4","3","3","10","1","1") = "9"
    & skf18("9","4","3","3","10","2","1") = "9"
    & skf18("9","4","3","3","10","3","1") = "9"
    & skf18("9","4","3","3","10","4","1") = "9"
    & skf18("9","4","3","3","10","5","1") = "9"
    & skf18("9","4","3","3","10","6","1") = "9"
    & skf18("9","4","3","3","10","7","1") = "9"
    & skf18("9","4","3","3","10","8","1") = "9"
    & skf18("9","4","3","3","10","9","1") = "9"
    & skf18("9","4","3","3","10","10","1") = "9"
    & skf18("9","4","3","4","1","1","1") = "8"
    & skf18("9","4","3","4","1","2","1") = "8"
    & skf18("9","4","3","4","1","3","1") = "8"
    & skf18("9","4","3","4","1","4","1") = "8"
    & skf18("9","4","3","4","1","5","1") = "8"
    & skf18("9","4","3","4","1","6","1") = "8"
    & skf18("9","4","3","4","1","7","1") = "8"
    & skf18("9","4","3","4","1","8","1") = "8"
    & skf18("9","4","3","4","1","9","1") = "8"
    & skf18("9","4","3","4","1","10","1") = "9"
    & skf18("9","4","3","4","2","1","1") = "8"
    & skf18("9","4","3","4","2","2","1") = "8"
    & skf18("9","4","3","4","2","3","1") = "8"
    & skf18("9","4","3","4","2","4","1") = "8"
    & skf18("9","4","3","4","2","5","1") = "8"
    & skf18("9","4","3","4","2","6","1") = "8"
    & skf18("9","4","3","4","2","7","1") = "8"
    & skf18("9","4","3","4","2","8","1") = "8"
    & skf18("9","4","3","4","2","9","1") = "8"
    & skf18("9","4","3","4","2","10","1") = "9"
    & skf18("9","4","3","4","3","1","1") = "8"
    & skf18("9","4","3","4","3","2","1") = "8"
    & skf18("9","4","3","4","3","3","1") = "8"
    & skf18("9","4","3","4","3","4","1") = "8"
    & skf18("9","4","3","4","3","5","1") = "8"
    & skf18("9","4","3","4","3","6","1") = "8"
    & skf18("9","4","3","4","3","7","1") = "8"
    & skf18("9","4","3","4","3","8","1") = "8"
    & skf18("9","4","3","4","3","9","1") = "8"
    & skf18("9","4","3","4","3","10","1") = "9"
    & skf18("9","4","3","4","4","1","1") = "8"
    & skf18("9","4","3","4","4","2","1") = "8"
    & skf18("9","4","3","4","4","3","1") = "8"
    & skf18("9","4","3","4","4","4","1") = "8"
    & skf18("9","4","3","4","4","5","1") = "8"
    & skf18("9","4","3","4","4","6","1") = "8"
    & skf18("9","4","3","4","4","7","1") = "8"
    & skf18("9","4","3","4","4","8","1") = "8"
    & skf18("9","4","3","4","4","9","1") = "8"
    & skf18("9","4","3","4","4","10","1") = "9"
    & skf18("9","4","3","4","5","1","1") = "8"
    & skf18("9","4","3","4","5","2","1") = "8"
    & skf18("9","4","3","4","5","3","1") = "8"
    & skf18("9","4","3","4","5","4","1") = "8"
    & skf18("9","4","3","4","5","5","1") = "8"
    & skf18("9","4","3","4","5","6","1") = "8"
    & skf18("9","4","3","4","5","7","1") = "8"
    & skf18("9","4","3","4","5","8","1") = "8"
    & skf18("9","4","3","4","5","9","1") = "8"
    & skf18("9","4","3","4","5","10","1") = "9"
    & skf18("9","4","3","4","6","1","1") = "8"
    & skf18("9","4","3","4","6","2","1") = "8"
    & skf18("9","4","3","4","6","3","1") = "8"
    & skf18("9","4","3","4","6","4","1") = "8"
    & skf18("9","4","3","4","6","5","1") = "8"
    & skf18("9","4","3","4","6","6","1") = "8"
    & skf18("9","4","3","4","6","7","1") = "8"
    & skf18("9","4","3","4","6","8","1") = "8"
    & skf18("9","4","3","4","6","9","1") = "8"
    & skf18("9","4","3","4","6","10","1") = "9"
    & skf18("9","4","3","4","7","1","1") = "8"
    & skf18("9","4","3","4","7","2","1") = "8"
    & skf18("9","4","3","4","7","3","1") = "8"
    & skf18("9","4","3","4","7","4","1") = "8"
    & skf18("9","4","3","4","7","5","1") = "8"
    & skf18("9","4","3","4","7","6","1") = "8"
    & skf18("9","4","3","4","7","7","1") = "8"
    & skf18("9","4","3","4","7","8","1") = "8"
    & skf18("9","4","3","4","7","9","1") = "8"
    & skf18("9","4","3","4","7","10","1") = "9"
    & skf18("9","4","3","4","8","1","1") = "8"
    & skf18("9","4","3","4","8","2","1") = "8"
    & skf18("9","4","3","4","8","3","1") = "8"
    & skf18("9","4","3","4","8","4","1") = "8"
    & skf18("9","4","3","4","8","5","1") = "8"
    & skf18("9","4","3","4","8","6","1") = "8"
    & skf18("9","4","3","4","8","7","1") = "8"
    & skf18("9","4","3","4","8","8","1") = "8"
    & skf18("9","4","3","4","8","9","1") = "8"
    & skf18("9","4","3","4","8","10","1") = "9"
    & skf18("9","4","3","4","9","1","1") = "8"
    & skf18("9","4","3","4","9","2","1") = "8"
    & skf18("9","4","3","4","9","3","1") = "8"
    & skf18("9","4","3","4","9","4","1") = "8"
    & skf18("9","4","3","4","9","5","1") = "8"
    & skf18("9","4","3","4","9","6","1") = "8"
    & skf18("9","4","3","4","9","7","1") = "8"
    & skf18("9","4","3","4","9","8","1") = "8"
    & skf18("9","4","3","4","9","9","1") = "8"
    & skf18("9","4","3","4","9","10","1") = "9"
    & skf18("9","4","3","4","10","1","1") = "9"
    & skf18("9","4","3","4","10","2","1") = "9"
    & skf18("9","4","3","4","10","3","1") = "9"
    & skf18("9","4","3","4","10","4","1") = "9"
    & skf18("9","4","3","4","10","5","1") = "9"
    & skf18("9","4","3","4","10","6","1") = "9"
    & skf18("9","4","3","4","10","7","1") = "9"
    & skf18("9","4","3","4","10","8","1") = "9"
    & skf18("9","4","3","4","10","9","1") = "9"
    & skf18("9","4","3","4","10","10","1") = "9"
    & skf18("9","4","3","5","1","1","1") = "8"
    & skf18("9","4","3","5","1","2","1") = "8"
    & skf18("9","4","3","5","1","3","1") = "8"
    & skf18("9","4","3","5","1","4","1") = "8"
    & skf18("9","4","3","5","1","5","1") = "8"
    & skf18("9","4","3","5","1","6","1") = "8"
    & skf18("9","4","3","5","1","7","1") = "8"
    & skf18("9","4","3","5","1","8","1") = "8"
    & skf18("9","4","3","5","1","9","1") = "8"
    & skf18("9","4","3","5","1","10","1") = "9"
    & skf18("9","4","3","5","2","1","1") = "8"
    & skf18("9","4","3","5","2","2","1") = "8"
    & skf18("9","4","3","5","2","3","1") = "8"
    & skf18("9","4","3","5","2","4","1") = "8"
    & skf18("9","4","3","5","2","5","1") = "8"
    & skf18("9","4","3","5","2","6","1") = "8"
    & skf18("9","4","3","5","2","7","1") = "8"
    & skf18("9","4","3","5","2","8","1") = "8"
    & skf18("9","4","3","5","2","9","1") = "8"
    & skf18("9","4","3","5","2","10","1") = "9"
    & skf18("9","4","3","5","3","1","1") = "8"
    & skf18("9","4","3","5","3","2","1") = "8"
    & skf18("9","4","3","5","3","3","1") = "8"
    & skf18("9","4","3","5","3","4","1") = "8"
    & skf18("9","4","3","5","3","5","1") = "8"
    & skf18("9","4","3","5","3","6","1") = "8"
    & skf18("9","4","3","5","3","7","1") = "8"
    & skf18("9","4","3","5","3","8","1") = "8"
    & skf18("9","4","3","5","3","9","1") = "8"
    & skf18("9","4","3","5","3","10","1") = "9"
    & skf18("9","4","3","5","4","1","1") = "8"
    & skf18("9","4","3","5","4","2","1") = "8"
    & skf18("9","4","3","5","4","3","1") = "8"
    & skf18("9","4","3","5","4","4","1") = "8"
    & skf18("9","4","3","5","4","5","1") = "8"
    & skf18("9","4","3","5","4","6","1") = "8"
    & skf18("9","4","3","5","4","7","1") = "8"
    & skf18("9","4","3","5","4","8","1") = "8"
    & skf18("9","4","3","5","4","9","1") = "8"
    & skf18("9","4","3","5","4","10","1") = "9"
    & skf18("9","4","3","5","5","1","1") = "8"
    & skf18("9","4","3","5","5","2","1") = "8"
    & skf18("9","4","3","5","5","3","1") = "8"
    & skf18("9","4","3","5","5","4","1") = "8"
    & skf18("9","4","3","5","5","5","1") = "8"
    & skf18("9","4","3","5","5","6","1") = "8"
    & skf18("9","4","3","5","5","7","1") = "8"
    & skf18("9","4","3","5","5","8","1") = "8"
    & skf18("9","4","3","5","5","9","1") = "8"
    & skf18("9","4","3","5","5","10","1") = "9"
    & skf18("9","4","3","5","6","1","1") = "8"
    & skf18("9","4","3","5","6","2","1") = "8"
    & skf18("9","4","3","5","6","3","1") = "8"
    & skf18("9","4","3","5","6","4","1") = "8"
    & skf18("9","4","3","5","6","5","1") = "8"
    & skf18("9","4","3","5","6","6","1") = "8"
    & skf18("9","4","3","5","6","7","1") = "8"
    & skf18("9","4","3","5","6","8","1") = "8"
    & skf18("9","4","3","5","6","9","1") = "8"
    & skf18("9","4","3","5","6","10","1") = "9"
    & skf18("9","4","3","5","7","1","1") = "8"
    & skf18("9","4","3","5","7","2","1") = "8"
    & skf18("9","4","3","5","7","3","1") = "8"
    & skf18("9","4","3","5","7","4","1") = "8"
    & skf18("9","4","3","5","7","5","1") = "8"
    & skf18("9","4","3","5","7","6","1") = "8"
    & skf18("9","4","3","5","7","7","1") = "8"
    & skf18("9","4","3","5","7","8","1") = "8"
    & skf18("9","4","3","5","7","9","1") = "8"
    & skf18("9","4","3","5","7","10","1") = "9"
    & skf18("9","4","3","5","8","1","1") = "8"
    & skf18("9","4","3","5","8","2","1") = "8"
    & skf18("9","4","3","5","8","3","1") = "8"
    & skf18("9","4","3","5","8","4","1") = "8"
    & skf18("9","4","3","5","8","5","1") = "8"
    & skf18("9","4","3","5","8","6","1") = "8"
    & skf18("9","4","3","5","8","7","1") = "8"
    & skf18("9","4","3","5","8","8","1") = "8"
    & skf18("9","4","3","5","8","9","1") = "8"
    & skf18("9","4","3","5","8","10","1") = "9"
    & skf18("9","4","3","5","9","1","1") = "8"
    & skf18("9","4","3","5","9","2","1") = "8"
    & skf18("9","4","3","5","9","3","1") = "8"
    & skf18("9","4","3","5","9","4","1") = "8"
    & skf18("9","4","3","5","9","5","1") = "8"
    & skf18("9","4","3","5","9","6","1") = "8"
    & skf18("9","4","3","5","9","7","1") = "8"
    & skf18("9","4","3","5","9","8","1") = "8"
    & skf18("9","4","3","5","9","9","1") = "8"
    & skf18("9","4","3","5","9","10","1") = "9"
    & skf18("9","4","3","5","10","1","1") = "9"
    & skf18("9","4","3","5","10","2","1") = "9"
    & skf18("9","4","3","5","10","3","1") = "9"
    & skf18("9","4","3","5","10","4","1") = "9"
    & skf18("9","4","3","5","10","5","1") = "9"
    & skf18("9","4","3","5","10","6","1") = "9"
    & skf18("9","4","3","5","10","7","1") = "9"
    & skf18("9","4","3","5","10","8","1") = "9"
    & skf18("9","4","3","5","10","9","1") = "9"
    & skf18("9","4","3","5","10","10","1") = "9"
    & skf18("9","4","3","6","1","1","1") = "8"
    & skf18("9","4","3","6","1","2","1") = "8"
    & skf18("9","4","3","6","1","3","1") = "8"
    & skf18("9","4","3","6","1","4","1") = "8"
    & skf18("9","4","3","6","1","5","1") = "8"
    & skf18("9","4","3","6","1","6","1") = "8"
    & skf18("9","4","3","6","1","7","1") = "8"
    & skf18("9","4","3","6","1","8","1") = "8"
    & skf18("9","4","3","6","1","9","1") = "8"
    & skf18("9","4","3","6","1","10","1") = "9"
    & skf18("9","4","3","6","2","1","1") = "8"
    & skf18("9","4","3","6","2","2","1") = "8"
    & skf18("9","4","3","6","2","3","1") = "8"
    & skf18("9","4","3","6","2","4","1") = "8"
    & skf18("9","4","3","6","2","5","1") = "8"
    & skf18("9","4","3","6","2","6","1") = "8"
    & skf18("9","4","3","6","2","7","1") = "8"
    & skf18("9","4","3","6","2","8","1") = "8"
    & skf18("9","4","3","6","2","9","1") = "8"
    & skf18("9","4","3","6","2","10","1") = "9"
    & skf18("9","4","3","6","3","1","1") = "8"
    & skf18("9","4","3","6","3","2","1") = "8"
    & skf18("9","4","3","6","3","3","1") = "8"
    & skf18("9","4","3","6","3","4","1") = "8"
    & skf18("9","4","3","6","3","5","1") = "8"
    & skf18("9","4","3","6","3","6","1") = "8"
    & skf18("9","4","3","6","3","7","1") = "8"
    & skf18("9","4","3","6","3","8","1") = "8"
    & skf18("9","4","3","6","3","9","1") = "8"
    & skf18("9","4","3","6","3","10","1") = "9"
    & skf18("9","4","3","6","4","1","1") = "8"
    & skf18("9","4","3","6","4","2","1") = "8"
    & skf18("9","4","3","6","4","3","1") = "8"
    & skf18("9","4","3","6","4","4","1") = "8"
    & skf18("9","4","3","6","4","5","1") = "8"
    & skf18("9","4","3","6","4","6","1") = "8"
    & skf18("9","4","3","6","4","7","1") = "8"
    & skf18("9","4","3","6","4","8","1") = "8"
    & skf18("9","4","3","6","4","9","1") = "8"
    & skf18("9","4","3","6","4","10","1") = "9"
    & skf18("9","4","3","6","5","1","1") = "8"
    & skf18("9","4","3","6","5","2","1") = "8"
    & skf18("9","4","3","6","5","3","1") = "8"
    & skf18("9","4","3","6","5","4","1") = "8"
    & skf18("9","4","3","6","5","5","1") = "8"
    & skf18("9","4","3","6","5","6","1") = "8"
    & skf18("9","4","3","6","5","7","1") = "8"
    & skf18("9","4","3","6","5","8","1") = "8"
    & skf18("9","4","3","6","5","9","1") = "8"
    & skf18("9","4","3","6","5","10","1") = "9"
    & skf18("9","4","3","6","6","1","1") = "8"
    & skf18("9","4","3","6","6","2","1") = "8"
    & skf18("9","4","3","6","6","3","1") = "8"
    & skf18("9","4","3","6","6","4","1") = "8"
    & skf18("9","4","3","6","6","5","1") = "8"
    & skf18("9","4","3","6","6","6","1") = "8"
    & skf18("9","4","3","6","6","7","1") = "8"
    & skf18("9","4","3","6","6","8","1") = "8"
    & skf18("9","4","3","6","6","9","1") = "8"
    & skf18("9","4","3","6","6","10","1") = "9"
    & skf18("9","4","3","6","7","1","1") = "8"
    & skf18("9","4","3","6","7","2","1") = "8"
    & skf18("9","4","3","6","7","3","1") = "8"
    & skf18("9","4","3","6","7","4","1") = "8"
    & skf18("9","4","3","6","7","5","1") = "8"
    & skf18("9","4","3","6","7","6","1") = "8"
    & skf18("9","4","3","6","7","7","1") = "8"
    & skf18("9","4","3","6","7","8","1") = "8"
    & skf18("9","4","3","6","7","9","1") = "8"
    & skf18("9","4","3","6","7","10","1") = "9"
    & skf18("9","4","3","6","8","1","1") = "8"
    & skf18("9","4","3","6","8","2","1") = "8"
    & skf18("9","4","3","6","8","3","1") = "8"
    & skf18("9","4","3","6","8","4","1") = "8"
    & skf18("9","4","3","6","8","5","1") = "8"
    & skf18("9","4","3","6","8","6","1") = "8"
    & skf18("9","4","3","6","8","7","1") = "8"
    & skf18("9","4","3","6","8","8","1") = "8"
    & skf18("9","4","3","6","8","9","1") = "8"
    & skf18("9","4","3","6","8","10","1") = "9"
    & skf18("9","4","3","6","9","1","1") = "8"
    & skf18("9","4","3","6","9","2","1") = "8"
    & skf18("9","4","3","6","9","3","1") = "8"
    & skf18("9","4","3","6","9","4","1") = "8"
    & skf18("9","4","3","6","9","5","1") = "8"
    & skf18("9","4","3","6","9","6","1") = "8"
    & skf18("9","4","3","6","9","7","1") = "8"
    & skf18("9","4","3","6","9","8","1") = "8"
    & skf18("9","4","3","6","9","9","1") = "8"
    & skf18("9","4","3","6","9","10","1") = "9"
    & skf18("9","4","3","6","10","1","1") = "9"
    & skf18("9","4","3","6","10","2","1") = "9"
    & skf18("9","4","3","6","10","3","1") = "9"
    & skf18("9","4","3","6","10","4","1") = "9"
    & skf18("9","4","3","6","10","5","1") = "9"
    & skf18("9","4","3","6","10","6","1") = "9"
    & skf18("9","4","3","6","10","7","1") = "9"
    & skf18("9","4","3","6","10","8","1") = "9"
    & skf18("9","4","3","6","10","9","1") = "9"
    & skf18("9","4","3","6","10","10","1") = "9"
    & skf18("9","4","3","7","1","1","1") = "8"
    & skf18("9","4","3","7","1","2","1") = "8"
    & skf18("9","4","3","7","1","3","1") = "8"
    & skf18("9","4","3","7","1","4","1") = "8"
    & skf18("9","4","3","7","1","5","1") = "8"
    & skf18("9","4","3","7","1","6","1") = "8"
    & skf18("9","4","3","7","1","7","1") = "8"
    & skf18("9","4","3","7","1","8","1") = "8"
    & skf18("9","4","3","7","1","9","1") = "8"
    & skf18("9","4","3","7","1","10","1") = "9"
    & skf18("9","4","3","7","2","1","1") = "8"
    & skf18("9","4","3","7","2","2","1") = "8"
    & skf18("9","4","3","7","2","3","1") = "8"
    & skf18("9","4","3","7","2","4","1") = "8"
    & skf18("9","4","3","7","2","5","1") = "8"
    & skf18("9","4","3","7","2","6","1") = "8"
    & skf18("9","4","3","7","2","7","1") = "8"
    & skf18("9","4","3","7","2","8","1") = "8"
    & skf18("9","4","3","7","2","9","1") = "8"
    & skf18("9","4","3","7","2","10","1") = "9"
    & skf18("9","4","3","7","3","1","1") = "8"
    & skf18("9","4","3","7","3","2","1") = "8"
    & skf18("9","4","3","7","3","3","1") = "8"
    & skf18("9","4","3","7","3","4","1") = "8"
    & skf18("9","4","3","7","3","5","1") = "8"
    & skf18("9","4","3","7","3","6","1") = "8"
    & skf18("9","4","3","7","3","7","1") = "8"
    & skf18("9","4","3","7","3","8","1") = "8"
    & skf18("9","4","3","7","3","9","1") = "8"
    & skf18("9","4","3","7","3","10","1") = "9"
    & skf18("9","4","3","7","4","1","1") = "8"
    & skf18("9","4","3","7","4","2","1") = "8"
    & skf18("9","4","3","7","4","3","1") = "8"
    & skf18("9","4","3","7","4","4","1") = "8"
    & skf18("9","4","3","7","4","5","1") = "8"
    & skf18("9","4","3","7","4","6","1") = "8"
    & skf18("9","4","3","7","4","7","1") = "8"
    & skf18("9","4","3","7","4","8","1") = "8"
    & skf18("9","4","3","7","4","9","1") = "8"
    & skf18("9","4","3","7","4","10","1") = "9"
    & skf18("9","4","3","7","5","1","1") = "8"
    & skf18("9","4","3","7","5","2","1") = "8"
    & skf18("9","4","3","7","5","3","1") = "8"
    & skf18("9","4","3","7","5","4","1") = "8"
    & skf18("9","4","3","7","5","5","1") = "8"
    & skf18("9","4","3","7","5","6","1") = "8"
    & skf18("9","4","3","7","5","7","1") = "8"
    & skf18("9","4","3","7","5","8","1") = "8"
    & skf18("9","4","3","7","5","9","1") = "8"
    & skf18("9","4","3","7","5","10","1") = "9"
    & skf18("9","4","3","7","6","1","1") = "8"
    & skf18("9","4","3","7","6","2","1") = "8"
    & skf18("9","4","3","7","6","3","1") = "8"
    & skf18("9","4","3","7","6","4","1") = "8"
    & skf18("9","4","3","7","6","5","1") = "8"
    & skf18("9","4","3","7","6","6","1") = "8"
    & skf18("9","4","3","7","6","7","1") = "8"
    & skf18("9","4","3","7","6","8","1") = "8"
    & skf18("9","4","3","7","6","9","1") = "8"
    & skf18("9","4","3","7","6","10","1") = "9"
    & skf18("9","4","3","7","7","1","1") = "8"
    & skf18("9","4","3","7","7","2","1") = "8"
    & skf18("9","4","3","7","7","3","1") = "8"
    & skf18("9","4","3","7","7","4","1") = "8"
    & skf18("9","4","3","7","7","5","1") = "8"
    & skf18("9","4","3","7","7","6","1") = "8"
    & skf18("9","4","3","7","7","7","1") = "8"
    & skf18("9","4","3","7","7","8","1") = "8"
    & skf18("9","4","3","7","7","9","1") = "8"
    & skf18("9","4","3","7","7","10","1") = "9"
    & skf18("9","4","3","7","8","1","1") = "8"
    & skf18("9","4","3","7","8","2","1") = "8"
    & skf18("9","4","3","7","8","3","1") = "8"
    & skf18("9","4","3","7","8","4","1") = "8"
    & skf18("9","4","3","7","8","5","1") = "8"
    & skf18("9","4","3","7","8","6","1") = "8"
    & skf18("9","4","3","7","8","7","1") = "8"
    & skf18("9","4","3","7","8","8","1") = "8"
    & skf18("9","4","3","7","8","9","1") = "8"
    & skf18("9","4","3","7","8","10","1") = "9"
    & skf18("9","4","3","7","9","1","1") = "8"
    & skf18("9","4","3","7","9","2","1") = "8"
    & skf18("9","4","3","7","9","3","1") = "8"
    & skf18("9","4","3","7","9","4","1") = "8"
    & skf18("9","4","3","7","9","5","1") = "8"
    & skf18("9","4","3","7","9","6","1") = "8"
    & skf18("9","4","3","7","9","7","1") = "8"
    & skf18("9","4","3","7","9","8","1") = "8"
    & skf18("9","4","3","7","9","9","1") = "8"
    & skf18("9","4","3","7","9","10","1") = "9"
    & skf18("9","4","3","7","10","1","1") = "9"
    & skf18("9","4","3","7","10","2","1") = "9"
    & skf18("9","4","3","7","10","3","1") = "9"
    & skf18("9","4","3","7","10","4","1") = "9"
    & skf18("9","4","3","7","10","5","1") = "9"
    & skf18("9","4","3","7","10","6","1") = "9"
    & skf18("9","4","3","7","10","7","1") = "9"
    & skf18("9","4","3","7","10","8","1") = "9"
    & skf18("9","4","3","7","10","9","1") = "9"
    & skf18("9","4","3","7","10","10","1") = "9"
    & skf18("9","4","3","8","1","1","1") = "8"
    & skf18("9","4","3","8","1","2","1") = "8"
    & skf18("9","4","3","8","1","3","1") = "8"
    & skf18("9","4","3","8","1","4","1") = "8"
    & skf18("9","4","3","8","1","5","1") = "8"
    & skf18("9","4","3","8","1","6","1") = "8"
    & skf18("9","4","3","8","1","7","1") = "8"
    & skf18("9","4","3","8","1","8","1") = "8"
    & skf18("9","4","3","8","1","9","1") = "8"
    & skf18("9","4","3","8","1","10","1") = "9"
    & skf18("9","4","3","8","2","1","1") = "8"
    & skf18("9","4","3","8","2","2","1") = "8"
    & skf18("9","4","3","8","2","3","1") = "8"
    & skf18("9","4","3","8","2","4","1") = "8"
    & skf18("9","4","3","8","2","5","1") = "8"
    & skf18("9","4","3","8","2","6","1") = "8"
    & skf18("9","4","3","8","2","7","1") = "8"
    & skf18("9","4","3","8","2","8","1") = "8"
    & skf18("9","4","3","8","2","9","1") = "8"
    & skf18("9","4","3","8","2","10","1") = "9"
    & skf18("9","4","3","8","3","1","1") = "8"
    & skf18("9","4","3","8","3","2","1") = "8"
    & skf18("9","4","3","8","3","3","1") = "8"
    & skf18("9","4","3","8","3","4","1") = "8"
    & skf18("9","4","3","8","3","5","1") = "8"
    & skf18("9","4","3","8","3","6","1") = "8"
    & skf18("9","4","3","8","3","7","1") = "8"
    & skf18("9","4","3","8","3","8","1") = "8"
    & skf18("9","4","3","8","3","9","1") = "8"
    & skf18("9","4","3","8","3","10","1") = "9"
    & skf18("9","4","3","8","4","1","1") = "8"
    & skf18("9","4","3","8","4","2","1") = "8"
    & skf18("9","4","3","8","4","3","1") = "8"
    & skf18("9","4","3","8","4","4","1") = "8"
    & skf18("9","4","3","8","4","5","1") = "8"
    & skf18("9","4","3","8","4","6","1") = "8"
    & skf18("9","4","3","8","4","7","1") = "8"
    & skf18("9","4","3","8","4","8","1") = "8"
    & skf18("9","4","3","8","4","9","1") = "8"
    & skf18("9","4","3","8","4","10","1") = "9"
    & skf18("9","4","3","8","5","1","1") = "8"
    & skf18("9","4","3","8","5","2","1") = "8"
    & skf18("9","4","3","8","5","3","1") = "8"
    & skf18("9","4","3","8","5","4","1") = "8"
    & skf18("9","4","3","8","5","5","1") = "8"
    & skf18("9","4","3","8","5","6","1") = "8"
    & skf18("9","4","3","8","5","7","1") = "8"
    & skf18("9","4","3","8","5","8","1") = "8"
    & skf18("9","4","3","8","5","9","1") = "8"
    & skf18("9","4","3","8","5","10","1") = "9"
    & skf18("9","4","3","8","6","1","1") = "8"
    & skf18("9","4","3","8","6","2","1") = "8"
    & skf18("9","4","3","8","6","3","1") = "8"
    & skf18("9","4","3","8","6","4","1") = "8"
    & skf18("9","4","3","8","6","5","1") = "8"
    & skf18("9","4","3","8","6","6","1") = "8"
    & skf18("9","4","3","8","6","7","1") = "8"
    & skf18("9","4","3","8","6","8","1") = "8"
    & skf18("9","4","3","8","6","9","1") = "8"
    & skf18("9","4","3","8","6","10","1") = "9"
    & skf18("9","4","3","8","7","1","1") = "8"
    & skf18("9","4","3","8","7","2","1") = "8"
    & skf18("9","4","3","8","7","3","1") = "8"
    & skf18("9","4","3","8","7","4","1") = "8"
    & skf18("9","4","3","8","7","5","1") = "8"
    & skf18("9","4","3","8","7","6","1") = "8"
    & skf18("9","4","3","8","7","7","1") = "8"
    & skf18("9","4","3","8","7","8","1") = "8"
    & skf18("9","4","3","8","7","9","1") = "8"
    & skf18("9","4","3","8","7","10","1") = "9"
    & skf18("9","4","3","8","8","1","1") = "8"
    & skf18("9","4","3","8","8","2","1") = "8"
    & skf18("9","4","3","8","8","3","1") = "8"
    & skf18("9","4","3","8","8","4","1") = "8"
    & skf18("9","4","3","8","8","5","1") = "8"
    & skf18("9","4","3","8","8","6","1") = "8"
    & skf18("9","4","3","8","8","7","1") = "8"
    & skf18("9","4","3","8","8","8","1") = "8"
    & skf18("9","4","3","8","8","9","1") = "8"
    & skf18("9","4","3","8","8","10","1") = "9"
    & skf18("9","4","3","8","9","1","1") = "8"
    & skf18("9","4","3","8","9","2","1") = "8"
    & skf18("9","4","3","8","9","3","1") = "8"
    & skf18("9","4","3","8","9","4","1") = "8"
    & skf18("9","4","3","8","9","5","1") = "8"
    & skf18("9","4","3","8","9","6","1") = "8"
    & skf18("9","4","3","8","9","7","1") = "8"
    & skf18("9","4","3","8","9","8","1") = "8"
    & skf18("9","4","3","8","9","9","1") = "8"
    & skf18("9","4","3","8","9","10","1") = "9"
    & skf18("9","4","3","8","10","1","1") = "9"
    & skf18("9","4","3","8","10","2","1") = "9"
    & skf18("9","4","3","8","10","3","1") = "9"
    & skf18("9","4","3","8","10","4","1") = "9"
    & skf18("9","4","3","8","10","5","1") = "9"
    & skf18("9","4","3","8","10","6","1") = "9"
    & skf18("9","4","3","8","10","7","1") = "9"
    & skf18("9","4","3","8","10","8","1") = "9"
    & skf18("9","4","3","8","10","9","1") = "9"
    & skf18("9","4","3","8","10","10","1") = "9"
    & skf18("9","4","3","9","1","1","1") = "8"
    & skf18("9","4","3","9","1","2","1") = "8"
    & skf18("9","4","3","9","1","3","1") = "8"
    & skf18("9","4","3","9","1","4","1") = "8"
    & skf18("9","4","3","9","1","5","1") = "8"
    & skf18("9","4","3","9","1","6","1") = "8"
    & skf18("9","4","3","9","1","7","1") = "8"
    & skf18("9","4","3","9","1","8","1") = "8"
    & skf18("9","4","3","9","1","9","1") = "8"
    & skf18("9","4","3","9","1","10","1") = "9"
    & skf18("9","4","3","9","2","1","1") = "8"
    & skf18("9","4","3","9","2","2","1") = "8"
    & skf18("9","4","3","9","2","3","1") = "8"
    & skf18("9","4","3","9","2","4","1") = "8"
    & skf18("9","4","3","9","2","5","1") = "8"
    & skf18("9","4","3","9","2","6","1") = "8"
    & skf18("9","4","3","9","2","7","1") = "8"
    & skf18("9","4","3","9","2","8","1") = "8"
    & skf18("9","4","3","9","2","9","1") = "8"
    & skf18("9","4","3","9","2","10","1") = "9"
    & skf18("9","4","3","9","3","1","1") = "8"
    & skf18("9","4","3","9","3","2","1") = "8"
    & skf18("9","4","3","9","3","3","1") = "8"
    & skf18("9","4","3","9","3","4","1") = "8"
    & skf18("9","4","3","9","3","5","1") = "8"
    & skf18("9","4","3","9","3","6","1") = "8"
    & skf18("9","4","3","9","3","7","1") = "8"
    & skf18("9","4","3","9","3","8","1") = "8"
    & skf18("9","4","3","9","3","9","1") = "8"
    & skf18("9","4","3","9","3","10","1") = "9"
    & skf18("9","4","3","9","4","1","1") = "8"
    & skf18("9","4","3","9","4","2","1") = "8"
    & skf18("9","4","3","9","4","3","1") = "8"
    & skf18("9","4","3","9","4","4","1") = "8"
    & skf18("9","4","3","9","4","5","1") = "8"
    & skf18("9","4","3","9","4","6","1") = "8"
    & skf18("9","4","3","9","4","7","1") = "8"
    & skf18("9","4","3","9","4","8","1") = "8"
    & skf18("9","4","3","9","4","9","1") = "8"
    & skf18("9","4","3","9","4","10","1") = "9"
    & skf18("9","4","3","9","5","1","1") = "8"
    & skf18("9","4","3","9","5","2","1") = "8"
    & skf18("9","4","3","9","5","3","1") = "8"
    & skf18("9","4","3","9","5","4","1") = "8"
    & skf18("9","4","3","9","5","5","1") = "8"
    & skf18("9","4","3","9","5","6","1") = "8"
    & skf18("9","4","3","9","5","7","1") = "8"
    & skf18("9","4","3","9","5","8","1") = "8"
    & skf18("9","4","3","9","5","9","1") = "8"
    & skf18("9","4","3","9","5","10","1") = "9"
    & skf18("9","4","3","9","6","1","1") = "8"
    & skf18("9","4","3","9","6","2","1") = "8"
    & skf18("9","4","3","9","6","3","1") = "8"
    & skf18("9","4","3","9","6","4","1") = "8"
    & skf18("9","4","3","9","6","5","1") = "8"
    & skf18("9","4","3","9","6","6","1") = "8"
    & skf18("9","4","3","9","6","7","1") = "8"
    & skf18("9","4","3","9","6","8","1") = "8"
    & skf18("9","4","3","9","6","9","1") = "8"
    & skf18("9","4","3","9","6","10","1") = "9"
    & skf18("9","4","3","9","7","1","1") = "8"
    & skf18("9","4","3","9","7","2","1") = "8"
    & skf18("9","4","3","9","7","3","1") = "8"
    & skf18("9","4","3","9","7","4","1") = "8"
    & skf18("9","4","3","9","7","5","1") = "8"
    & skf18("9","4","3","9","7","6","1") = "8"
    & skf18("9","4","3","9","7","7","1") = "8"
    & skf18("9","4","3","9","7","8","1") = "8"
    & skf18("9","4","3","9","7","9","1") = "8"
    & skf18("9","4","3","9","7","10","1") = "9"
    & skf18("9","4","3","9","8","1","1") = "8"
    & skf18("9","4","3","9","8","2","1") = "8"
    & skf18("9","4","3","9","8","3","1") = "8"
    & skf18("9","4","3","9","8","4","1") = "8"
    & skf18("9","4","3","9","8","5","1") = "8"
    & skf18("9","4","3","9","8","6","1") = "8"
    & skf18("9","4","3","9","8","7","1") = "8"
    & skf18("9","4","3","9","8","8","1") = "8"
    & skf18("9","4","3","9","8","9","1") = "8"
    & skf18("9","4","3","9","8","10","1") = "9"
    & skf18("9","4","3","9","9","1","1") = "8"
    & skf18("9","4","3","9","9","2","1") = "8"
    & skf18("9","4","3","9","9","3","1") = "8"
    & skf18("9","4","3","9","9","4","1") = "8"
    & skf18("9","4","3","9","9","5","1") = "8"
    & skf18("9","4","3","9","9","6","1") = "8"
    & skf18("9","4","3","9","9","7","1") = "8"
    & skf18("9","4","3","9","9","8","1") = "8"
    & skf18("9","4","3","9","9","9","1") = "8"
    & skf18("9","4","3","9","9","10","1") = "9"
    & skf18("9","4","3","9","10","1","1") = "9"
    & skf18("9","4","3","9","10","2","1") = "9"
    & skf18("9","4","3","9","10","3","1") = "9"
    & skf18("9","4","3","9","10","4","1") = "9"
    & skf18("9","4","3","9","10","5","1") = "9"
    & skf18("9","4","3","9","10","6","1") = "9"
    & skf18("9","4","3","9","10","7","1") = "9"
    & skf18("9","4","3","9","10","8","1") = "9"
    & skf18("9","4","3","9","10","9","1") = "9"
    & skf18("9","4","3","9","10","10","1") = "9"
    & skf18("9","4","3","10","1","1","1") = "9"
    & skf18("9","4","3","10","1","2","1") = "9"
    & skf18("9","4","3","10","1","3","1") = "9"
    & skf18("9","4","3","10","1","4","1") = "9"
    & skf18("9","4","3","10","1","5","1") = "9"
    & skf18("9","4","3","10","1","6","1") = "9"
    & skf18("9","4","3","10","1","7","1") = "9"
    & skf18("9","4","3","10","1","8","1") = "9"
    & skf18("9","4","3","10","1","9","1") = "9"
    & skf18("9","4","3","10","1","10","1") = "9"
    & skf18("9","4","3","10","2","1","1") = "9"
    & skf18("9","4","3","10","2","2","1") = "9"
    & skf18("9","4","3","10","2","3","1") = "9"
    & skf18("9","4","3","10","2","4","1") = "9"
    & skf18("9","4","3","10","2","5","1") = "9"
    & skf18("9","4","3","10","2","6","1") = "9"
    & skf18("9","4","3","10","2","7","1") = "9"
    & skf18("9","4","3","10","2","8","1") = "9"
    & skf18("9","4","3","10","2","9","1") = "9"
    & skf18("9","4","3","10","2","10","1") = "9"
    & skf18("9","4","3","10","3","1","1") = "9"
    & skf18("9","4","3","10","3","2","1") = "9"
    & skf18("9","4","3","10","3","3","1") = "9"
    & skf18("9","4","3","10","3","4","1") = "9"
    & skf18("9","4","3","10","3","5","1") = "9"
    & skf18("9","4","3","10","3","6","1") = "9"
    & skf18("9","4","3","10","3","7","1") = "9"
    & skf18("9","4","3","10","3","8","1") = "9"
    & skf18("9","4","3","10","3","9","1") = "9"
    & skf18("9","4","3","10","3","10","1") = "9"
    & skf18("9","4","3","10","4","1","1") = "9"
    & skf18("9","4","3","10","4","2","1") = "9"
    & skf18("9","4","3","10","4","3","1") = "9"
    & skf18("9","4","3","10","4","4","1") = "9"
    & skf18("9","4","3","10","4","5","1") = "9"
    & skf18("9","4","3","10","4","6","1") = "9"
    & skf18("9","4","3","10","4","7","1") = "9"
    & skf18("9","4","3","10","4","8","1") = "9"
    & skf18("9","4","3","10","4","9","1") = "9"
    & skf18("9","4","3","10","4","10","1") = "9"
    & skf18("9","4","3","10","5","1","1") = "9"
    & skf18("9","4","3","10","5","2","1") = "9"
    & skf18("9","4","3","10","5","3","1") = "9"
    & skf18("9","4","3","10","5","4","1") = "9"
    & skf18("9","4","3","10","5","5","1") = "9"
    & skf18("9","4","3","10","5","6","1") = "9"
    & skf18("9","4","3","10","5","7","1") = "9"
    & skf18("9","4","3","10","5","8","1") = "9"
    & skf18("9","4","3","10","5","9","1") = "9"
    & skf18("9","4","3","10","5","10","1") = "9"
    & skf18("9","4","3","10","6","1","1") = "9"
    & skf18("9","4","3","10","6","2","1") = "9"
    & skf18("9","4","3","10","6","3","1") = "9"
    & skf18("9","4","3","10","6","4","1") = "9"
    & skf18("9","4","3","10","6","5","1") = "9"
    & skf18("9","4","3","10","6","6","1") = "9"
    & skf18("9","4","3","10","6","7","1") = "9"
    & skf18("9","4","3","10","6","8","1") = "9"
    & skf18("9","4","3","10","6","9","1") = "9"
    & skf18("9","4","3","10","6","10","1") = "9"
    & skf18("9","4","3","10","7","1","1") = "9"
    & skf18("9","4","3","10","7","2","1") = "9"
    & skf18("9","4","3","10","7","3","1") = "9"
    & skf18("9","4","3","10","7","4","1") = "9"
    & skf18("9","4","3","10","7","5","1") = "9"
    & skf18("9","4","3","10","7","6","1") = "9"
    & skf18("9","4","3","10","7","7","1") = "9"
    & skf18("9","4","3","10","7","8","1") = "9"
    & skf18("9","4","3","10","7","9","1") = "9"
    & skf18("9","4","3","10","7","10","1") = "9"
    & skf18("9","4","3","10","8","1","1") = "9"
    & skf18("9","4","3","10","8","2","1") = "9"
    & skf18("9","4","3","10","8","3","1") = "9"
    & skf18("9","4","3","10","8","4","1") = "9"
    & skf18("9","4","3","10","8","5","1") = "9"
    & skf18("9","4","3","10","8","6","1") = "9"
    & skf18("9","4","3","10","8","7","1") = "9"
    & skf18("9","4","3","10","8","8","1") = "9"
    & skf18("9","4","3","10","8","9","1") = "9"
    & skf18("9","4","3","10","8","10","1") = "9"
    & skf18("9","4","3","10","9","1","1") = "9"
    & skf18("9","4","3","10","9","2","1") = "9"
    & skf18("9","4","3","10","9","3","1") = "9"
    & skf18("9","4","3","10","9","4","1") = "9"
    & skf18("9","4","3","10","9","5","1") = "9"
    & skf18("9","4","3","10","9","6","1") = "9"
    & skf18("9","4","3","10","9","7","1") = "9"
    & skf18("9","4","3","10","9","8","1") = "9"
    & skf18("9","4","3","10","9","9","1") = "9"
    & skf18("9","4","3","10","9","10","1") = "9"
    & skf18("9","4","3","10","10","1","1") = "9"
    & skf18("9","4","3","10","10","2","1") = "9"
    & skf18("9","4","3","10","10","3","1") = "9"
    & skf18("9","4","3","10","10","4","1") = "9"
    & skf18("9","4","3","10","10","5","1") = "9"
    & skf18("9","4","3","10","10","6","1") = "9"
    & skf18("9","4","3","10","10","7","1") = "9"
    & skf18("9","4","3","10","10","8","1") = "9"
    & skf18("9","4","3","10","10","9","1") = "9"
    & skf18("9","4","3","10","10","10","1") = "9"
    & skf18("9","4","4","1","1","1","1") = "8"
    & skf18("9","4","4","1","1","2","1") = "8"
    & skf18("9","4","4","1","1","3","1") = "8"
    & skf18("9","4","4","1","1","4","1") = "8"
    & skf18("9","4","4","1","1","5","1") = "8"
    & skf18("9","4","4","1","1","6","1") = "8"
    & skf18("9","4","4","1","1","7","1") = "8"
    & skf18("9","4","4","1","1","8","1") = "8"
    & skf18("9","4","4","1","1","9","1") = "8"
    & skf18("9","4","4","1","1","10","1") = "9"
    & skf18("9","4","4","1","2","1","1") = "8"
    & skf18("9","4","4","1","2","2","1") = "8"
    & skf18("9","4","4","1","2","3","1") = "8"
    & skf18("9","4","4","1","2","4","1") = "8"
    & skf18("9","4","4","1","2","5","1") = "8"
    & skf18("9","4","4","1","2","6","1") = "8"
    & skf18("9","4","4","1","2","7","1") = "8"
    & skf18("9","4","4","1","2","8","1") = "8"
    & skf18("9","4","4","1","2","9","1") = "8"
    & skf18("9","4","4","1","2","10","1") = "9"
    & skf18("9","4","4","1","3","1","1") = "8"
    & skf18("9","4","4","1","3","2","1") = "8"
    & skf18("9","4","4","1","3","3","1") = "8"
    & skf18("9","4","4","1","3","4","1") = "8"
    & skf18("9","4","4","1","3","5","1") = "8"
    & skf18("9","4","4","1","3","6","1") = "8"
    & skf18("9","4","4","1","3","7","1") = "8"
    & skf18("9","4","4","1","3","8","1") = "8"
    & skf18("9","4","4","1","3","9","1") = "8"
    & skf18("9","4","4","1","3","10","1") = "9"
    & skf18("9","4","4","1","4","1","1") = "8"
    & skf18("9","4","4","1","4","2","1") = "8"
    & skf18("9","4","4","1","4","3","1") = "8"
    & skf18("9","4","4","1","4","4","1") = "8"
    & skf18("9","4","4","1","4","5","1") = "8"
    & skf18("9","4","4","1","4","6","1") = "8"
    & skf18("9","4","4","1","4","7","1") = "8"
    & skf18("9","4","4","1","4","8","1") = "8"
    & skf18("9","4","4","1","4","9","1") = "8"
    & skf18("9","4","4","1","4","10","1") = "9"
    & skf18("9","4","4","1","5","1","1") = "8"
    & skf18("9","4","4","1","5","2","1") = "8"
    & skf18("9","4","4","1","5","3","1") = "8"
    & skf18("9","4","4","1","5","4","1") = "8"
    & skf18("9","4","4","1","5","5","1") = "8"
    & skf18("9","4","4","1","5","6","1") = "8"
    & skf18("9","4","4","1","5","7","1") = "8"
    & skf18("9","4","4","1","5","8","1") = "8"
    & skf18("9","4","4","1","5","9","1") = "8"
    & skf18("9","4","4","1","5","10","1") = "9"
    & skf18("9","4","4","1","6","1","1") = "8"
    & skf18("9","4","4","1","6","2","1") = "8"
    & skf18("9","4","4","1","6","3","1") = "8"
    & skf18("9","4","4","1","6","4","1") = "8"
    & skf18("9","4","4","1","6","5","1") = "8"
    & skf18("9","4","4","1","6","6","1") = "8"
    & skf18("9","4","4","1","6","7","1") = "8"
    & skf18("9","4","4","1","6","8","1") = "8"
    & skf18("9","4","4","1","6","9","1") = "8"
    & skf18("9","4","4","1","6","10","1") = "9"
    & skf18("9","4","4","1","7","1","1") = "8"
    & skf18("9","4","4","1","7","2","1") = "8"
    & skf18("9","4","4","1","7","3","1") = "8"
    & skf18("9","4","4","1","7","4","1") = "8"
    & skf18("9","4","4","1","7","5","1") = "8"
    & skf18("9","4","4","1","7","6","1") = "8"
    & skf18("9","4","4","1","7","7","1") = "8"
    & skf18("9","4","4","1","7","8","1") = "8"
    & skf18("9","4","4","1","7","9","1") = "8"
    & skf18("9","4","4","1","7","10","1") = "9"
    & skf18("9","4","4","1","8","1","1") = "8"
    & skf18("9","4","4","1","8","2","1") = "8"
    & skf18("9","4","4","1","8","3","1") = "8"
    & skf18("9","4","4","1","8","4","1") = "8"
    & skf18("9","4","4","1","8","5","1") = "8"
    & skf18("9","4","4","1","8","6","1") = "8"
    & skf18("9","4","4","1","8","7","1") = "8"
    & skf18("9","4","4","1","8","8","1") = "8"
    & skf18("9","4","4","1","8","9","1") = "8"
    & skf18("9","4","4","1","8","10","1") = "9"
    & skf18("9","4","4","1","9","1","1") = "8"
    & skf18("9","4","4","1","9","2","1") = "8"
    & skf18("9","4","4","1","9","3","1") = "8"
    & skf18("9","4","4","1","9","4","1") = "8"
    & skf18("9","4","4","1","9","5","1") = "8"
    & skf18("9","4","4","1","9","6","1") = "8"
    & skf18("9","4","4","1","9","7","1") = "8"
    & skf18("9","4","4","1","9","8","1") = "8"
    & skf18("9","4","4","1","9","9","1") = "8"
    & skf18("9","4","4","1","9","10","1") = "9"
    & skf18("9","4","4","1","10","1","1") = "9"
    & skf18("9","4","4","1","10","2","1") = "9"
    & skf18("9","4","4","1","10","3","1") = "9"
    & skf18("9","4","4","1","10","4","1") = "9"
    & skf18("9","4","4","1","10","5","1") = "9"
    & skf18("9","4","4","1","10","6","1") = "9"
    & skf18("9","4","4","1","10","7","1") = "9"
    & skf18("9","4","4","1","10","8","1") = "9"
    & skf18("9","4","4","1","10","9","1") = "9"
    & skf18("9","4","4","1","10","10","1") = "9"
    & skf18("9","4","4","2","1","1","1") = "8"
    & skf18("9","4","4","2","1","2","1") = "8"
    & skf18("9","4","4","2","1","3","1") = "8"
    & skf18("9","4","4","2","1","4","1") = "8"
    & skf18("9","4","4","2","1","5","1") = "8"
    & skf18("9","4","4","2","1","6","1") = "8"
    & skf18("9","4","4","2","1","7","1") = "8"
    & skf18("9","4","4","2","1","8","1") = "8"
    & skf18("9","4","4","2","1","9","1") = "8"
    & skf18("9","4","4","2","1","10","1") = "9"
    & skf18("9","4","4","2","2","1","1") = "8"
    & skf18("9","4","4","2","2","2","1") = "8"
    & skf18("9","4","4","2","2","3","1") = "8"
    & skf18("9","4","4","2","2","4","1") = "8"
    & skf18("9","4","4","2","2","5","1") = "8"
    & skf18("9","4","4","2","2","6","1") = "8"
    & skf18("9","4","4","2","2","7","1") = "8"
    & skf18("9","4","4","2","2","8","1") = "8"
    & skf18("9","4","4","2","2","9","1") = "8"
    & skf18("9","4","4","2","2","10","1") = "9"
    & skf18("9","4","4","2","3","1","1") = "8"
    & skf18("9","4","4","2","3","2","1") = "8"
    & skf18("9","4","4","2","3","3","1") = "8"
    & skf18("9","4","4","2","3","4","1") = "8"
    & skf18("9","4","4","2","3","5","1") = "8"
    & skf18("9","4","4","2","3","6","1") = "8"
    & skf18("9","4","4","2","3","7","1") = "8"
    & skf18("9","4","4","2","3","8","1") = "8"
    & skf18("9","4","4","2","3","9","1") = "8"
    & skf18("9","4","4","2","3","10","1") = "9"
    & skf18("9","4","4","2","4","1","1") = "8"
    & skf18("9","4","4","2","4","2","1") = "8"
    & skf18("9","4","4","2","4","3","1") = "8"
    & skf18("9","4","4","2","4","4","1") = "8"
    & skf18("9","4","4","2","4","5","1") = "8"
    & skf18("9","4","4","2","4","6","1") = "8"
    & skf18("9","4","4","2","4","7","1") = "8"
    & skf18("9","4","4","2","4","8","1") = "8"
    & skf18("9","4","4","2","4","9","1") = "8"
    & skf18("9","4","4","2","4","10","1") = "9"
    & skf18("9","4","4","2","5","1","1") = "8"
    & skf18("9","4","4","2","5","2","1") = "8"
    & skf18("9","4","4","2","5","3","1") = "8"
    & skf18("9","4","4","2","5","4","1") = "8"
    & skf18("9","4","4","2","5","5","1") = "8"
    & skf18("9","4","4","2","5","6","1") = "8"
    & skf18("9","4","4","2","5","7","1") = "8"
    & skf18("9","4","4","2","5","8","1") = "8"
    & skf18("9","4","4","2","5","9","1") = "8"
    & skf18("9","4","4","2","5","10","1") = "9"
    & skf18("9","4","4","2","6","1","1") = "8"
    & skf18("9","4","4","2","6","2","1") = "8"
    & skf18("9","4","4","2","6","3","1") = "8"
    & skf18("9","4","4","2","6","4","1") = "8"
    & skf18("9","4","4","2","6","5","1") = "8"
    & skf18("9","4","4","2","6","6","1") = "8"
    & skf18("9","4","4","2","6","7","1") = "8"
    & skf18("9","4","4","2","6","8","1") = "8"
    & skf18("9","4","4","2","6","9","1") = "8"
    & skf18("9","4","4","2","6","10","1") = "9"
    & skf18("9","4","4","2","7","1","1") = "8"
    & skf18("9","4","4","2","7","2","1") = "8"
    & skf18("9","4","4","2","7","3","1") = "8"
    & skf18("9","4","4","2","7","4","1") = "8"
    & skf18("9","4","4","2","7","5","1") = "8"
    & skf18("9","4","4","2","7","6","1") = "8"
    & skf18("9","4","4","2","7","7","1") = "8"
    & skf18("9","4","4","2","7","8","1") = "8"
    & skf18("9","4","4","2","7","9","1") = "8"
    & skf18("9","4","4","2","7","10","1") = "9"
    & skf18("9","4","4","2","8","1","1") = "8"
    & skf18("9","4","4","2","8","2","1") = "8"
    & skf18("9","4","4","2","8","3","1") = "8"
    & skf18("9","4","4","2","8","4","1") = "8"
    & skf18("9","4","4","2","8","5","1") = "8"
    & skf18("9","4","4","2","8","6","1") = "8"
    & skf18("9","4","4","2","8","7","1") = "8"
    & skf18("9","4","4","2","8","8","1") = "8"
    & skf18("9","4","4","2","8","9","1") = "8"
    & skf18("9","4","4","2","8","10","1") = "9"
    & skf18("9","4","4","2","9","1","1") = "8"
    & skf18("9","4","4","2","9","2","1") = "8"
    & skf18("9","4","4","2","9","3","1") = "8"
    & skf18("9","4","4","2","9","4","1") = "8"
    & skf18("9","4","4","2","9","5","1") = "8"
    & skf18("9","4","4","2","9","6","1") = "8"
    & skf18("9","4","4","2","9","7","1") = "8"
    & skf18("9","4","4","2","9","8","1") = "8"
    & skf18("9","4","4","2","9","9","1") = "8"
    & skf18("9","4","4","2","9","10","1") = "9"
    & skf18("9","4","4","2","10","1","1") = "9"
    & skf18("9","4","4","2","10","2","1") = "9"
    & skf18("9","4","4","2","10","3","1") = "9"
    & skf18("9","4","4","2","10","4","1") = "9"
    & skf18("9","4","4","2","10","5","1") = "9"
    & skf18("9","4","4","2","10","6","1") = "9"
    & skf18("9","4","4","2","10","7","1") = "9"
    & skf18("9","4","4","2","10","8","1") = "9"
    & skf18("9","4","4","2","10","9","1") = "9"
    & skf18("9","4","4","2","10","10","1") = "9"
    & skf18("9","4","4","3","1","1","1") = "8"
    & skf18("9","4","4","3","1","2","1") = "8"
    & skf18("9","4","4","3","1","3","1") = "8"
    & skf18("9","4","4","3","1","4","1") = "8"
    & skf18("9","4","4","3","1","5","1") = "8"
    & skf18("9","4","4","3","1","6","1") = "8"
    & skf18("9","4","4","3","1","7","1") = "8"
    & skf18("9","4","4","3","1","8","1") = "8"
    & skf18("9","4","4","3","1","9","1") = "8"
    & skf18("9","4","4","3","1","10","1") = "9"
    & skf18("9","4","4","3","2","1","1") = "8"
    & skf18("9","4","4","3","2","2","1") = "8"
    & skf18("9","4","4","3","2","3","1") = "8"
    & skf18("9","4","4","3","2","4","1") = "8"
    & skf18("9","4","4","3","2","5","1") = "8"
    & skf18("9","4","4","3","2","6","1") = "8"
    & skf18("9","4","4","3","2","7","1") = "8"
    & skf18("9","4","4","3","2","8","1") = "8"
    & skf18("9","4","4","3","2","9","1") = "8"
    & skf18("9","4","4","3","2","10","1") = "9"
    & skf18("9","4","4","3","3","1","1") = "8"
    & skf18("9","4","4","3","3","2","1") = "8"
    & skf18("9","4","4","3","3","3","1") = "8"
    & skf18("9","4","4","3","3","4","1") = "8"
    & skf18("9","4","4","3","3","5","1") = "8"
    & skf18("9","4","4","3","3","6","1") = "8"
    & skf18("9","4","4","3","3","7","1") = "8"
    & skf18("9","4","4","3","3","8","1") = "8"
    & skf18("9","4","4","3","3","9","1") = "8"
    & skf18("9","4","4","3","3","10","1") = "9"
    & skf18("9","4","4","3","4","1","1") = "8"
    & skf18("9","4","4","3","4","2","1") = "8"
    & skf18("9","4","4","3","4","3","1") = "8"
    & skf18("9","4","4","3","4","4","1") = "8"
    & skf18("9","4","4","3","4","5","1") = "8"
    & skf18("9","4","4","3","4","6","1") = "8"
    & skf18("9","4","4","3","4","7","1") = "8"
    & skf18("9","4","4","3","4","8","1") = "8"
    & skf18("9","4","4","3","4","9","1") = "8"
    & skf18("9","4","4","3","4","10","1") = "9"
    & skf18("9","4","4","3","5","1","1") = "8"
    & skf18("9","4","4","3","5","2","1") = "8"
    & skf18("9","4","4","3","5","3","1") = "8"
    & skf18("9","4","4","3","5","4","1") = "8"
    & skf18("9","4","4","3","5","5","1") = "8"
    & skf18("9","4","4","3","5","6","1") = "8"
    & skf18("9","4","4","3","5","7","1") = "8"
    & skf18("9","4","4","3","5","8","1") = "8"
    & skf18("9","4","4","3","5","9","1") = "8"
    & skf18("9","4","4","3","5","10","1") = "9"
    & skf18("9","4","4","3","6","1","1") = "8"
    & skf18("9","4","4","3","6","2","1") = "8"
    & skf18("9","4","4","3","6","3","1") = "8"
    & skf18("9","4","4","3","6","4","1") = "8"
    & skf18("9","4","4","3","6","5","1") = "8"
    & skf18("9","4","4","3","6","6","1") = "8"
    & skf18("9","4","4","3","6","7","1") = "8"
    & skf18("9","4","4","3","6","8","1") = "8"
    & skf18("9","4","4","3","6","9","1") = "8"
    & skf18("9","4","4","3","6","10","1") = "9"
    & skf18("9","4","4","3","7","1","1") = "8"
    & skf18("9","4","4","3","7","2","1") = "8"
    & skf18("9","4","4","3","7","3","1") = "8"
    & skf18("9","4","4","3","7","4","1") = "8"
    & skf18("9","4","4","3","7","5","1") = "8"
    & skf18("9","4","4","3","7","6","1") = "8"
    & skf18("9","4","4","3","7","7","1") = "8"
    & skf18("9","4","4","3","7","8","1") = "8"
    & skf18("9","4","4","3","7","9","1") = "8"
    & skf18("9","4","4","3","7","10","1") = "9"
    & skf18("9","4","4","3","8","1","1") = "8"
    & skf18("9","4","4","3","8","2","1") = "8"
    & skf18("9","4","4","3","8","3","1") = "8"
    & skf18("9","4","4","3","8","4","1") = "8"
    & skf18("9","4","4","3","8","5","1") = "8"
    & skf18("9","4","4","3","8","6","1") = "8"
    & skf18("9","4","4","3","8","7","1") = "8"
    & skf18("9","4","4","3","8","8","1") = "8"
    & skf18("9","4","4","3","8","9","1") = "8"
    & skf18("9","4","4","3","8","10","1") = "9"
    & skf18("9","4","4","3","9","1","1") = "8"
    & skf18("9","4","4","3","9","2","1") = "8"
    & skf18("9","4","4","3","9","3","1") = "8"
    & skf18("9","4","4","3","9","4","1") = "8"
    & skf18("9","4","4","3","9","5","1") = "8"
    & skf18("9","4","4","3","9","6","1") = "8"
    & skf18("9","4","4","3","9","7","1") = "8"
    & skf18("9","4","4","3","9","8","1") = "8"
    & skf18("9","4","4","3","9","9","1") = "8"
    & skf18("9","4","4","3","9","10","1") = "9"
    & skf18("9","4","4","3","10","1","1") = "9"
    & skf18("9","4","4","3","10","2","1") = "9"
    & skf18("9","4","4","3","10","3","1") = "9"
    & skf18("9","4","4","3","10","4","1") = "9"
    & skf18("9","4","4","3","10","5","1") = "9"
    & skf18("9","4","4","3","10","6","1") = "9"
    & skf18("9","4","4","3","10","7","1") = "9"
    & skf18("9","4","4","3","10","8","1") = "9"
    & skf18("9","4","4","3","10","9","1") = "9"
    & skf18("9","4","4","3","10","10","1") = "9"
    & skf18("9","4","4","4","1","1","1") = "8"
    & skf18("9","4","4","4","1","2","1") = "8"
    & skf18("9","4","4","4","1","3","1") = "8"
    & skf18("9","4","4","4","1","4","1") = "8"
    & skf18("9","4","4","4","1","5","1") = "8"
    & skf18("9","4","4","4","1","6","1") = "8"
    & skf18("9","4","4","4","1","7","1") = "8"
    & skf18("9","4","4","4","1","8","1") = "8"
    & skf18("9","4","4","4","1","9","1") = "8"
    & skf18("9","4","4","4","1","10","1") = "9"
    & skf18("9","4","4","4","2","1","1") = "8"
    & skf18("9","4","4","4","2","2","1") = "8"
    & skf18("9","4","4","4","2","3","1") = "8"
    & skf18("9","4","4","4","2","4","1") = "8"
    & skf18("9","4","4","4","2","5","1") = "8"
    & skf18("9","4","4","4","2","6","1") = "8"
    & skf18("9","4","4","4","2","7","1") = "8"
    & skf18("9","4","4","4","2","8","1") = "8"
    & skf18("9","4","4","4","2","9","1") = "8"
    & skf18("9","4","4","4","2","10","1") = "9"
    & skf18("9","4","4","4","3","1","1") = "8"
    & skf18("9","4","4","4","3","2","1") = "8"
    & skf18("9","4","4","4","3","3","1") = "8"
    & skf18("9","4","4","4","3","4","1") = "8"
    & skf18("9","4","4","4","3","5","1") = "8"
    & skf18("9","4","4","4","3","6","1") = "8"
    & skf18("9","4","4","4","3","7","1") = "8"
    & skf18("9","4","4","4","3","8","1") = "8"
    & skf18("9","4","4","4","3","9","1") = "8"
    & skf18("9","4","4","4","3","10","1") = "9"
    & skf18("9","4","4","4","4","1","1") = "8"
    & skf18("9","4","4","4","4","2","1") = "8"
    & skf18("9","4","4","4","4","3","1") = "8"
    & skf18("9","4","4","4","4","4","1") = "8"
    & skf18("9","4","4","4","4","5","1") = "8"
    & skf18("9","4","4","4","4","6","1") = "8"
    & skf18("9","4","4","4","4","7","1") = "8"
    & skf18("9","4","4","4","4","8","1") = "8"
    & skf18("9","4","4","4","4","9","1") = "8"
    & skf18("9","4","4","4","4","10","1") = "9"
    & skf18("9","4","4","4","5","1","1") = "8"
    & skf18("9","4","4","4","5","2","1") = "8"
    & skf18("9","4","4","4","5","3","1") = "8"
    & skf18("9","4","4","4","5","4","1") = "8"
    & skf18("9","4","4","4","5","5","1") = "8"
    & skf18("9","4","4","4","5","6","1") = "8"
    & skf18("9","4","4","4","5","7","1") = "8"
    & skf18("9","4","4","4","5","8","1") = "8"
    & skf18("9","4","4","4","5","9","1") = "8"
    & skf18("9","4","4","4","5","10","1") = "9"
    & skf18("9","4","4","4","6","1","1") = "8"
    & skf18("9","4","4","4","6","2","1") = "8"
    & skf18("9","4","4","4","6","3","1") = "8"
    & skf18("9","4","4","4","6","4","1") = "8"
    & skf18("9","4","4","4","6","5","1") = "8"
    & skf18("9","4","4","4","6","6","1") = "8"
    & skf18("9","4","4","4","6","7","1") = "8"
    & skf18("9","4","4","4","6","8","1") = "8"
    & skf18("9","4","4","4","6","9","1") = "8"
    & skf18("9","4","4","4","6","10","1") = "9"
    & skf18("9","4","4","4","7","1","1") = "8"
    & skf18("9","4","4","4","7","2","1") = "8"
    & skf18("9","4","4","4","7","3","1") = "8"
    & skf18("9","4","4","4","7","4","1") = "8"
    & skf18("9","4","4","4","7","5","1") = "8"
    & skf18("9","4","4","4","7","6","1") = "8"
    & skf18("9","4","4","4","7","7","1") = "8"
    & skf18("9","4","4","4","7","8","1") = "8"
    & skf18("9","4","4","4","7","9","1") = "8"
    & skf18("9","4","4","4","7","10","1") = "9"
    & skf18("9","4","4","4","8","1","1") = "8"
    & skf18("9","4","4","4","8","2","1") = "8"
    & skf18("9","4","4","4","8","3","1") = "8"
    & skf18("9","4","4","4","8","4","1") = "8"
    & skf18("9","4","4","4","8","5","1") = "8"
    & skf18("9","4","4","4","8","6","1") = "8"
    & skf18("9","4","4","4","8","7","1") = "8"
    & skf18("9","4","4","4","8","8","1") = "8"
    & skf18("9","4","4","4","8","9","1") = "8"
    & skf18("9","4","4","4","8","10","1") = "9"
    & skf18("9","4","4","4","9","1","1") = "8"
    & skf18("9","4","4","4","9","2","1") = "8"
    & skf18("9","4","4","4","9","3","1") = "8"
    & skf18("9","4","4","4","9","4","1") = "8"
    & skf18("9","4","4","4","9","5","1") = "8"
    & skf18("9","4","4","4","9","6","1") = "8"
    & skf18("9","4","4","4","9","7","1") = "8"
    & skf18("9","4","4","4","9","8","1") = "8"
    & skf18("9","4","4","4","9","9","1") = "8"
    & skf18("9","4","4","4","9","10","1") = "9"
    & skf18("9","4","4","4","10","1","1") = "9"
    & skf18("9","4","4","4","10","2","1") = "9"
    & skf18("9","4","4","4","10","3","1") = "9"
    & skf18("9","4","4","4","10","4","1") = "9"
    & skf18("9","4","4","4","10","5","1") = "9"
    & skf18("9","4","4","4","10","6","1") = "9"
    & skf18("9","4","4","4","10","7","1") = "9"
    & skf18("9","4","4","4","10","8","1") = "9"
    & skf18("9","4","4","4","10","9","1") = "9"
    & skf18("9","4","4","4","10","10","1") = "9"
    & skf18("9","4","4","5","1","1","1") = "8"
    & skf18("9","4","4","5","1","2","1") = "8"
    & skf18("9","4","4","5","1","3","1") = "8"
    & skf18("9","4","4","5","1","4","1") = "8"
    & skf18("9","4","4","5","1","5","1") = "8"
    & skf18("9","4","4","5","1","6","1") = "8"
    & skf18("9","4","4","5","1","7","1") = "8"
    & skf18("9","4","4","5","1","8","1") = "8"
    & skf18("9","4","4","5","1","9","1") = "8"
    & skf18("9","4","4","5","1","10","1") = "9"
    & skf18("9","4","4","5","2","1","1") = "8"
    & skf18("9","4","4","5","2","2","1") = "8"
    & skf18("9","4","4","5","2","3","1") = "8"
    & skf18("9","4","4","5","2","4","1") = "8"
    & skf18("9","4","4","5","2","5","1") = "8"
    & skf18("9","4","4","5","2","6","1") = "8"
    & skf18("9","4","4","5","2","7","1") = "8"
    & skf18("9","4","4","5","2","8","1") = "8"
    & skf18("9","4","4","5","2","9","1") = "8"
    & skf18("9","4","4","5","2","10","1") = "9"
    & skf18("9","4","4","5","3","1","1") = "8"
    & skf18("9","4","4","5","3","2","1") = "8"
    & skf18("9","4","4","5","3","3","1") = "8"
    & skf18("9","4","4","5","3","4","1") = "8"
    & skf18("9","4","4","5","3","5","1") = "8"
    & skf18("9","4","4","5","3","6","1") = "8"
    & skf18("9","4","4","5","3","7","1") = "8"
    & skf18("9","4","4","5","3","8","1") = "8"
    & skf18("9","4","4","5","3","9","1") = "8"
    & skf18("9","4","4","5","3","10","1") = "9"
    & skf18("9","4","4","5","4","1","1") = "8"
    & skf18("9","4","4","5","4","2","1") = "8"
    & skf18("9","4","4","5","4","3","1") = "8"
    & skf18("9","4","4","5","4","4","1") = "8"
    & skf18("9","4","4","5","4","5","1") = "8"
    & skf18("9","4","4","5","4","6","1") = "8"
    & skf18("9","4","4","5","4","7","1") = "8"
    & skf18("9","4","4","5","4","8","1") = "8"
    & skf18("9","4","4","5","4","9","1") = "8"
    & skf18("9","4","4","5","4","10","1") = "9"
    & skf18("9","4","4","5","5","1","1") = "8"
    & skf18("9","4","4","5","5","2","1") = "8"
    & skf18("9","4","4","5","5","3","1") = "8"
    & skf18("9","4","4","5","5","4","1") = "8"
    & skf18("9","4","4","5","5","5","1") = "8"
    & skf18("9","4","4","5","5","6","1") = "8"
    & skf18("9","4","4","5","5","7","1") = "8"
    & skf18("9","4","4","5","5","8","1") = "8"
    & skf18("9","4","4","5","5","9","1") = "8"
    & skf18("9","4","4","5","5","10","1") = "9"
    & skf18("9","4","4","5","6","1","1") = "8"
    & skf18("9","4","4","5","6","2","1") = "8"
    & skf18("9","4","4","5","6","3","1") = "8"
    & skf18("9","4","4","5","6","4","1") = "8"
    & skf18("9","4","4","5","6","5","1") = "8"
    & skf18("9","4","4","5","6","6","1") = "8"
    & skf18("9","4","4","5","6","7","1") = "8"
    & skf18("9","4","4","5","6","8","1") = "8"
    & skf18("9","4","4","5","6","9","1") = "8"
    & skf18("9","4","4","5","6","10","1") = "9"
    & skf18("9","4","4","5","7","1","1") = "8"
    & skf18("9","4","4","5","7","2","1") = "8"
    & skf18("9","4","4","5","7","3","1") = "8"
    & skf18("9","4","4","5","7","4","1") = "8"
    & skf18("9","4","4","5","7","5","1") = "8"
    & skf18("9","4","4","5","7","6","1") = "8"
    & skf18("9","4","4","5","7","7","1") = "8"
    & skf18("9","4","4","5","7","8","1") = "8"
    & skf18("9","4","4","5","7","9","1") = "8"
    & skf18("9","4","4","5","7","10","1") = "9"
    & skf18("9","4","4","5","8","1","1") = "8"
    & skf18("9","4","4","5","8","2","1") = "8"
    & skf18("9","4","4","5","8","3","1") = "8"
    & skf18("9","4","4","5","8","4","1") = "8"
    & skf18("9","4","4","5","8","5","1") = "8"
    & skf18("9","4","4","5","8","6","1") = "8"
    & skf18("9","4","4","5","8","7","1") = "8"
    & skf18("9","4","4","5","8","8","1") = "8"
    & skf18("9","4","4","5","8","9","1") = "8"
    & skf18("9","4","4","5","8","10","1") = "9"
    & skf18("9","4","4","5","9","1","1") = "8"
    & skf18("9","4","4","5","9","2","1") = "8"
    & skf18("9","4","4","5","9","3","1") = "8"
    & skf18("9","4","4","5","9","4","1") = "8"
    & skf18("9","4","4","5","9","5","1") = "8"
    & skf18("9","4","4","5","9","6","1") = "8"
    & skf18("9","4","4","5","9","7","1") = "8"
    & skf18("9","4","4","5","9","8","1") = "8"
    & skf18("9","4","4","5","9","9","1") = "8"
    & skf18("9","4","4","5","9","10","1") = "9"
    & skf18("9","4","4","5","10","1","1") = "9"
    & skf18("9","4","4","5","10","2","1") = "9"
    & skf18("9","4","4","5","10","3","1") = "9"
    & skf18("9","4","4","5","10","4","1") = "9"
    & skf18("9","4","4","5","10","5","1") = "9"
    & skf18("9","4","4","5","10","6","1") = "9"
    & skf18("9","4","4","5","10","7","1") = "9"
    & skf18("9","4","4","5","10","8","1") = "9"
    & skf18("9","4","4","5","10","9","1") = "9"
    & skf18("9","4","4","5","10","10","1") = "9"
    & skf18("9","4","4","6","1","1","1") = "8"
    & skf18("9","4","4","6","1","2","1") = "8"
    & skf18("9","4","4","6","1","3","1") = "8"
    & skf18("9","4","4","6","1","4","1") = "8"
    & skf18("9","4","4","6","1","5","1") = "8"
    & skf18("9","4","4","6","1","6","1") = "8"
    & skf18("9","4","4","6","1","7","1") = "8"
    & skf18("9","4","4","6","1","8","1") = "8"
    & skf18("9","4","4","6","1","9","1") = "8"
    & skf18("9","4","4","6","1","10","1") = "9"
    & skf18("9","4","4","6","2","1","1") = "8"
    & skf18("9","4","4","6","2","2","1") = "8"
    & skf18("9","4","4","6","2","3","1") = "8"
    & skf18("9","4","4","6","2","4","1") = "8"
    & skf18("9","4","4","6","2","5","1") = "8"
    & skf18("9","4","4","6","2","6","1") = "8"
    & skf18("9","4","4","6","2","7","1") = "8"
    & skf18("9","4","4","6","2","8","1") = "8"
    & skf18("9","4","4","6","2","9","1") = "8"
    & skf18("9","4","4","6","2","10","1") = "9"
    & skf18("9","4","4","6","3","1","1") = "8"
    & skf18("9","4","4","6","3","2","1") = "8"
    & skf18("9","4","4","6","3","3","1") = "8"
    & skf18("9","4","4","6","3","4","1") = "8"
    & skf18("9","4","4","6","3","5","1") = "8"
    & skf18("9","4","4","6","3","6","1") = "8"
    & skf18("9","4","4","6","3","7","1") = "8"
    & skf18("9","4","4","6","3","8","1") = "8"
    & skf18("9","4","4","6","3","9","1") = "8"
    & skf18("9","4","4","6","3","10","1") = "9"
    & skf18("9","4","4","6","4","1","1") = "8"
    & skf18("9","4","4","6","4","2","1") = "8"
    & skf18("9","4","4","6","4","3","1") = "8"
    & skf18("9","4","4","6","4","4","1") = "8"
    & skf18("9","4","4","6","4","5","1") = "8"
    & skf18("9","4","4","6","4","6","1") = "8"
    & skf18("9","4","4","6","4","7","1") = "8"
    & skf18("9","4","4","6","4","8","1") = "8"
    & skf18("9","4","4","6","4","9","1") = "8"
    & skf18("9","4","4","6","4","10","1") = "9"
    & skf18("9","4","4","6","5","1","1") = "8"
    & skf18("9","4","4","6","5","2","1") = "8"
    & skf18("9","4","4","6","5","3","1") = "8"
    & skf18("9","4","4","6","5","4","1") = "8"
    & skf18("9","4","4","6","5","5","1") = "8"
    & skf18("9","4","4","6","5","6","1") = "8"
    & skf18("9","4","4","6","5","7","1") = "8"
    & skf18("9","4","4","6","5","8","1") = "8"
    & skf18("9","4","4","6","5","9","1") = "8"
    & skf18("9","4","4","6","5","10","1") = "9"
    & skf18("9","4","4","6","6","1","1") = "8"
    & skf18("9","4","4","6","6","2","1") = "8"
    & skf18("9","4","4","6","6","3","1") = "8"
    & skf18("9","4","4","6","6","4","1") = "8"
    & skf18("9","4","4","6","6","5","1") = "8"
    & skf18("9","4","4","6","6","6","1") = "8"
    & skf18("9","4","4","6","6","7","1") = "8"
    & skf18("9","4","4","6","6","8","1") = "8"
    & skf18("9","4","4","6","6","9","1") = "8"
    & skf18("9","4","4","6","6","10","1") = "9"
    & skf18("9","4","4","6","7","1","1") = "8"
    & skf18("9","4","4","6","7","2","1") = "8"
    & skf18("9","4","4","6","7","3","1") = "8"
    & skf18("9","4","4","6","7","4","1") = "8"
    & skf18("9","4","4","6","7","5","1") = "8"
    & skf18("9","4","4","6","7","6","1") = "8"
    & skf18("9","4","4","6","7","7","1") = "8"
    & skf18("9","4","4","6","7","8","1") = "8"
    & skf18("9","4","4","6","7","9","1") = "8"
    & skf18("9","4","4","6","7","10","1") = "9"
    & skf18("9","4","4","6","8","1","1") = "8"
    & skf18("9","4","4","6","8","2","1") = "8"
    & skf18("9","4","4","6","8","3","1") = "8"
    & skf18("9","4","4","6","8","4","1") = "8"
    & skf18("9","4","4","6","8","5","1") = "8"
    & skf18("9","4","4","6","8","6","1") = "8"
    & skf18("9","4","4","6","8","7","1") = "8"
    & skf18("9","4","4","6","8","8","1") = "8"
    & skf18("9","4","4","6","8","9","1") = "8"
    & skf18("9","4","4","6","8","10","1") = "9"
    & skf18("9","4","4","6","9","1","1") = "8"
    & skf18("9","4","4","6","9","2","1") = "8"
    & skf18("9","4","4","6","9","3","1") = "8"
    & skf18("9","4","4","6","9","4","1") = "8"
    & skf18("9","4","4","6","9","5","1") = "8"
    & skf18("9","4","4","6","9","6","1") = "8"
    & skf18("9","4","4","6","9","7","1") = "8"
    & skf18("9","4","4","6","9","8","1") = "8"
    & skf18("9","4","4","6","9","9","1") = "8"
    & skf18("9","4","4","6","9","10","1") = "9"
    & skf18("9","4","4","6","10","1","1") = "9"
    & skf18("9","4","4","6","10","2","1") = "9"
    & skf18("9","4","4","6","10","3","1") = "9"
    & skf18("9","4","4","6","10","4","1") = "9"
    & skf18("9","4","4","6","10","5","1") = "9"
    & skf18("9","4","4","6","10","6","1") = "9"
    & skf18("9","4","4","6","10","7","1") = "9"
    & skf18("9","4","4","6","10","8","1") = "9"
    & skf18("9","4","4","6","10","9","1") = "9"
    & skf18("9","4","4","6","10","10","1") = "9"
    & skf18("9","4","4","7","1","1","1") = "8"
    & skf18("9","4","4","7","1","2","1") = "8"
    & skf18("9","4","4","7","1","3","1") = "8"
    & skf18("9","4","4","7","1","4","1") = "8"
    & skf18("9","4","4","7","1","5","1") = "8"
    & skf18("9","4","4","7","1","6","1") = "8"
    & skf18("9","4","4","7","1","7","1") = "8"
    & skf18("9","4","4","7","1","8","1") = "8"
    & skf18("9","4","4","7","1","9","1") = "8"
    & skf18("9","4","4","7","1","10","1") = "9"
    & skf18("9","4","4","7","2","1","1") = "8"
    & skf18("9","4","4","7","2","2","1") = "8"
    & skf18("9","4","4","7","2","3","1") = "8"
    & skf18("9","4","4","7","2","4","1") = "8"
    & skf18("9","4","4","7","2","5","1") = "8"
    & skf18("9","4","4","7","2","6","1") = "8"
    & skf18("9","4","4","7","2","7","1") = "8"
    & skf18("9","4","4","7","2","8","1") = "8"
    & skf18("9","4","4","7","2","9","1") = "8"
    & skf18("9","4","4","7","2","10","1") = "9"
    & skf18("9","4","4","7","3","1","1") = "8"
    & skf18("9","4","4","7","3","2","1") = "8"
    & skf18("9","4","4","7","3","3","1") = "8"
    & skf18("9","4","4","7","3","4","1") = "8"
    & skf18("9","4","4","7","3","5","1") = "8"
    & skf18("9","4","4","7","3","6","1") = "8"
    & skf18("9","4","4","7","3","7","1") = "8"
    & skf18("9","4","4","7","3","8","1") = "8"
    & skf18("9","4","4","7","3","9","1") = "8"
    & skf18("9","4","4","7","3","10","1") = "9"
    & skf18("9","4","4","7","4","1","1") = "8"
    & skf18("9","4","4","7","4","2","1") = "8"
    & skf18("9","4","4","7","4","3","1") = "8"
    & skf18("9","4","4","7","4","4","1") = "8"
    & skf18("9","4","4","7","4","5","1") = "8"
    & skf18("9","4","4","7","4","6","1") = "8"
    & skf18("9","4","4","7","4","7","1") = "8"
    & skf18("9","4","4","7","4","8","1") = "8"
    & skf18("9","4","4","7","4","9","1") = "8"
    & skf18("9","4","4","7","4","10","1") = "9"
    & skf18("9","4","4","7","5","1","1") = "8"
    & skf18("9","4","4","7","5","2","1") = "8"
    & skf18("9","4","4","7","5","3","1") = "8"
    & skf18("9","4","4","7","5","4","1") = "8"
    & skf18("9","4","4","7","5","5","1") = "8"
    & skf18("9","4","4","7","5","6","1") = "8"
    & skf18("9","4","4","7","5","7","1") = "8"
    & skf18("9","4","4","7","5","8","1") = "8"
    & skf18("9","4","4","7","5","9","1") = "8"
    & skf18("9","4","4","7","5","10","1") = "9"
    & skf18("9","4","4","7","6","1","1") = "8"
    & skf18("9","4","4","7","6","2","1") = "8"
    & skf18("9","4","4","7","6","3","1") = "8"
    & skf18("9","4","4","7","6","4","1") = "8"
    & skf18("9","4","4","7","6","5","1") = "8"
    & skf18("9","4","4","7","6","6","1") = "8"
    & skf18("9","4","4","7","6","7","1") = "8"
    & skf18("9","4","4","7","6","8","1") = "8"
    & skf18("9","4","4","7","6","9","1") = "8"
    & skf18("9","4","4","7","6","10","1") = "9"
    & skf18("9","4","4","7","7","1","1") = "8"
    & skf18("9","4","4","7","7","2","1") = "8"
    & skf18("9","4","4","7","7","3","1") = "8"
    & skf18("9","4","4","7","7","4","1") = "8"
    & skf18("9","4","4","7","7","5","1") = "8"
    & skf18("9","4","4","7","7","6","1") = "8"
    & skf18("9","4","4","7","7","7","1") = "8"
    & skf18("9","4","4","7","7","8","1") = "8"
    & skf18("9","4","4","7","7","9","1") = "8"
    & skf18("9","4","4","7","7","10","1") = "9"
    & skf18("9","4","4","7","8","1","1") = "8"
    & skf18("9","4","4","7","8","2","1") = "8"
    & skf18("9","4","4","7","8","3","1") = "8"
    & skf18("9","4","4","7","8","4","1") = "8"
    & skf18("9","4","4","7","8","5","1") = "8"
    & skf18("9","4","4","7","8","6","1") = "8"
    & skf18("9","4","4","7","8","7","1") = "8"
    & skf18("9","4","4","7","8","8","1") = "8"
    & skf18("9","4","4","7","8","9","1") = "8"
    & skf18("9","4","4","7","8","10","1") = "9"
    & skf18("9","4","4","7","9","1","1") = "8"
    & skf18("9","4","4","7","9","2","1") = "8"
    & skf18("9","4","4","7","9","3","1") = "8"
    & skf18("9","4","4","7","9","4","1") = "8"
    & skf18("9","4","4","7","9","5","1") = "8"
    & skf18("9","4","4","7","9","6","1") = "8"
    & skf18("9","4","4","7","9","7","1") = "8"
    & skf18("9","4","4","7","9","8","1") = "8"
    & skf18("9","4","4","7","9","9","1") = "8"
    & skf18("9","4","4","7","9","10","1") = "9"
    & skf18("9","4","4","7","10","1","1") = "9"
    & skf18("9","4","4","7","10","2","1") = "9"
    & skf18("9","4","4","7","10","3","1") = "9"
    & skf18("9","4","4","7","10","4","1") = "9"
    & skf18("9","4","4","7","10","5","1") = "9"
    & skf18("9","4","4","7","10","6","1") = "9"
    & skf18("9","4","4","7","10","7","1") = "9"
    & skf18("9","4","4","7","10","8","1") = "9"
    & skf18("9","4","4","7","10","9","1") = "9"
    & skf18("9","4","4","7","10","10","1") = "9"
    & skf18("9","4","4","8","1","1","1") = "8"
    & skf18("9","4","4","8","1","2","1") = "8"
    & skf18("9","4","4","8","1","3","1") = "8"
    & skf18("9","4","4","8","1","4","1") = "8"
    & skf18("9","4","4","8","1","5","1") = "8"
    & skf18("9","4","4","8","1","6","1") = "8"
    & skf18("9","4","4","8","1","7","1") = "8"
    & skf18("9","4","4","8","1","8","1") = "8"
    & skf18("9","4","4","8","1","9","1") = "8"
    & skf18("9","4","4","8","1","10","1") = "9"
    & skf18("9","4","4","8","2","1","1") = "8"
    & skf18("9","4","4","8","2","2","1") = "8"
    & skf18("9","4","4","8","2","3","1") = "8"
    & skf18("9","4","4","8","2","4","1") = "8"
    & skf18("9","4","4","8","2","5","1") = "8"
    & skf18("9","4","4","8","2","6","1") = "8"
    & skf18("9","4","4","8","2","7","1") = "8"
    & skf18("9","4","4","8","2","8","1") = "8"
    & skf18("9","4","4","8","2","9","1") = "8"
    & skf18("9","4","4","8","2","10","1") = "9"
    & skf18("9","4","4","8","3","1","1") = "8"
    & skf18("9","4","4","8","3","2","1") = "8"
    & skf18("9","4","4","8","3","3","1") = "8"
    & skf18("9","4","4","8","3","4","1") = "8"
    & skf18("9","4","4","8","3","5","1") = "8"
    & skf18("9","4","4","8","3","6","1") = "8"
    & skf18("9","4","4","8","3","7","1") = "8"
    & skf18("9","4","4","8","3","8","1") = "8"
    & skf18("9","4","4","8","3","9","1") = "8"
    & skf18("9","4","4","8","3","10","1") = "9"
    & skf18("9","4","4","8","4","1","1") = "8"
    & skf18("9","4","4","8","4","2","1") = "8"
    & skf18("9","4","4","8","4","3","1") = "8"
    & skf18("9","4","4","8","4","4","1") = "8"
    & skf18("9","4","4","8","4","5","1") = "8"
    & skf18("9","4","4","8","4","6","1") = "8"
    & skf18("9","4","4","8","4","7","1") = "8"
    & skf18("9","4","4","8","4","8","1") = "8"
    & skf18("9","4","4","8","4","9","1") = "8"
    & skf18("9","4","4","8","4","10","1") = "9"
    & skf18("9","4","4","8","5","1","1") = "8"
    & skf18("9","4","4","8","5","2","1") = "8"
    & skf18("9","4","4","8","5","3","1") = "8"
    & skf18("9","4","4","8","5","4","1") = "8"
    & skf18("9","4","4","8","5","5","1") = "8"
    & skf18("9","4","4","8","5","6","1") = "8"
    & skf18("9","4","4","8","5","7","1") = "8"
    & skf18("9","4","4","8","5","8","1") = "8"
    & skf18("9","4","4","8","5","9","1") = "8"
    & skf18("9","4","4","8","5","10","1") = "9"
    & skf18("9","4","4","8","6","1","1") = "8"
    & skf18("9","4","4","8","6","2","1") = "8"
    & skf18("9","4","4","8","6","3","1") = "8"
    & skf18("9","4","4","8","6","4","1") = "8"
    & skf18("9","4","4","8","6","5","1") = "8"
    & skf18("9","4","4","8","6","6","1") = "8"
    & skf18("9","4","4","8","6","7","1") = "8"
    & skf18("9","4","4","8","6","8","1") = "8"
    & skf18("9","4","4","8","6","9","1") = "8"
    & skf18("9","4","4","8","6","10","1") = "9"
    & skf18("9","4","4","8","7","1","1") = "8"
    & skf18("9","4","4","8","7","2","1") = "8"
    & skf18("9","4","4","8","7","3","1") = "8"
    & skf18("9","4","4","8","7","4","1") = "8"
    & skf18("9","4","4","8","7","5","1") = "8"
    & skf18("9","4","4","8","7","6","1") = "8"
    & skf18("9","4","4","8","7","7","1") = "8"
    & skf18("9","4","4","8","7","8","1") = "8"
    & skf18("9","4","4","8","7","9","1") = "8"
    & skf18("9","4","4","8","7","10","1") = "9"
    & skf18("9","4","4","8","8","1","1") = "8"
    & skf18("9","4","4","8","8","2","1") = "8"
    & skf18("9","4","4","8","8","3","1") = "8"
    & skf18("9","4","4","8","8","4","1") = "8"
    & skf18("9","4","4","8","8","5","1") = "8"
    & skf18("9","4","4","8","8","6","1") = "8"
    & skf18("9","4","4","8","8","7","1") = "8"
    & skf18("9","4","4","8","8","8","1") = "8"
    & skf18("9","4","4","8","8","9","1") = "8"
    & skf18("9","4","4","8","8","10","1") = "9"
    & skf18("9","4","4","8","9","1","1") = "8"
    & skf18("9","4","4","8","9","2","1") = "8"
    & skf18("9","4","4","8","9","3","1") = "8"
    & skf18("9","4","4","8","9","4","1") = "8"
    & skf18("9","4","4","8","9","5","1") = "8"
    & skf18("9","4","4","8","9","6","1") = "8"
    & skf18("9","4","4","8","9","7","1") = "8"
    & skf18("9","4","4","8","9","8","1") = "8"
    & skf18("9","4","4","8","9","9","1") = "8"
    & skf18("9","4","4","8","9","10","1") = "9"
    & skf18("9","4","4","8","10","1","1") = "9"
    & skf18("9","4","4","8","10","2","1") = "9"
    & skf18("9","4","4","8","10","3","1") = "9"
    & skf18("9","4","4","8","10","4","1") = "9"
    & skf18("9","4","4","8","10","5","1") = "9"
    & skf18("9","4","4","8","10","6","1") = "9"
    & skf18("9","4","4","8","10","7","1") = "9"
    & skf18("9","4","4","8","10","8","1") = "9"
    & skf18("9","4","4","8","10","9","1") = "9"
    & skf18("9","4","4","8","10","10","1") = "9"
    & skf18("9","4","4","9","1","1","1") = "8"
    & skf18("9","4","4","9","1","2","1") = "8"
    & skf18("9","4","4","9","1","3","1") = "8"
    & skf18("9","4","4","9","1","4","1") = "8"
    & skf18("9","4","4","9","1","5","1") = "8"
    & skf18("9","4","4","9","1","6","1") = "8"
    & skf18("9","4","4","9","1","7","1") = "8"
    & skf18("9","4","4","9","1","8","1") = "8"
    & skf18("9","4","4","9","1","9","1") = "8"
    & skf18("9","4","4","9","1","10","1") = "9"
    & skf18("9","4","4","9","2","1","1") = "8"
    & skf18("9","4","4","9","2","2","1") = "8"
    & skf18("9","4","4","9","2","3","1") = "8"
    & skf18("9","4","4","9","2","4","1") = "8"
    & skf18("9","4","4","9","2","5","1") = "8"
    & skf18("9","4","4","9","2","6","1") = "8"
    & skf18("9","4","4","9","2","7","1") = "8"
    & skf18("9","4","4","9","2","8","1") = "8"
    & skf18("9","4","4","9","2","9","1") = "8"
    & skf18("9","4","4","9","2","10","1") = "9"
    & skf18("9","4","4","9","3","1","1") = "8"
    & skf18("9","4","4","9","3","2","1") = "8"
    & skf18("9","4","4","9","3","3","1") = "8"
    & skf18("9","4","4","9","3","4","1") = "8"
    & skf18("9","4","4","9","3","5","1") = "8"
    & skf18("9","4","4","9","3","6","1") = "8"
    & skf18("9","4","4","9","3","7","1") = "8"
    & skf18("9","4","4","9","3","8","1") = "8"
    & skf18("9","4","4","9","3","9","1") = "8"
    & skf18("9","4","4","9","3","10","1") = "9"
    & skf18("9","4","4","9","4","1","1") = "8"
    & skf18("9","4","4","9","4","2","1") = "8"
    & skf18("9","4","4","9","4","3","1") = "8"
    & skf18("9","4","4","9","4","4","1") = "8"
    & skf18("9","4","4","9","4","5","1") = "8"
    & skf18("9","4","4","9","4","6","1") = "8"
    & skf18("9","4","4","9","4","7","1") = "8"
    & skf18("9","4","4","9","4","8","1") = "8"
    & skf18("9","4","4","9","4","9","1") = "8"
    & skf18("9","4","4","9","4","10","1") = "9"
    & skf18("9","4","4","9","5","1","1") = "8"
    & skf18("9","4","4","9","5","2","1") = "8"
    & skf18("9","4","4","9","5","3","1") = "8"
    & skf18("9","4","4","9","5","4","1") = "8"
    & skf18("9","4","4","9","5","5","1") = "8"
    & skf18("9","4","4","9","5","6","1") = "8"
    & skf18("9","4","4","9","5","7","1") = "8"
    & skf18("9","4","4","9","5","8","1") = "8"
    & skf18("9","4","4","9","5","9","1") = "8"
    & skf18("9","4","4","9","5","10","1") = "9"
    & skf18("9","4","4","9","6","1","1") = "8"
    & skf18("9","4","4","9","6","2","1") = "8"
    & skf18("9","4","4","9","6","3","1") = "8"
    & skf18("9","4","4","9","6","4","1") = "8"
    & skf18("9","4","4","9","6","5","1") = "8"
    & skf18("9","4","4","9","6","6","1") = "8"
    & skf18("9","4","4","9","6","7","1") = "8"
    & skf18("9","4","4","9","6","8","1") = "8"
    & skf18("9","4","4","9","6","9","1") = "8"
    & skf18("9","4","4","9","6","10","1") = "9"
    & skf18("9","4","4","9","7","1","1") = "8"
    & skf18("9","4","4","9","7","2","1") = "8"
    & skf18("9","4","4","9","7","3","1") = "8"
    & skf18("9","4","4","9","7","4","1") = "8"
    & skf18("9","4","4","9","7","5","1") = "8"
    & skf18("9","4","4","9","7","6","1") = "8"
    & skf18("9","4","4","9","7","7","1") = "8"
    & skf18("9","4","4","9","7","8","1") = "8"
    & skf18("9","4","4","9","7","9","1") = "8"
    & skf18("9","4","4","9","7","10","1") = "9"
    & skf18("9","4","4","9","8","1","1") = "8"
    & skf18("9","4","4","9","8","2","1") = "8"
    & skf18("9","4","4","9","8","3","1") = "8"
    & skf18("9","4","4","9","8","4","1") = "8"
    & skf18("9","4","4","9","8","5","1") = "8"
    & skf18("9","4","4","9","8","6","1") = "8"
    & skf18("9","4","4","9","8","7","1") = "8"
    & skf18("9","4","4","9","8","8","1") = "8"
    & skf18("9","4","4","9","8","9","1") = "8"
    & skf18("9","4","4","9","8","10","1") = "9"
    & skf18("9","4","4","9","9","1","1") = "8"
    & skf18("9","4","4","9","9","2","1") = "8"
    & skf18("9","4","4","9","9","3","1") = "8"
    & skf18("9","4","4","9","9","4","1") = "8"
    & skf18("9","4","4","9","9","5","1") = "8"
    & skf18("9","4","4","9","9","6","1") = "8"
    & skf18("9","4","4","9","9","7","1") = "8"
    & skf18("9","4","4","9","9","8","1") = "8"
    & skf18("9","4","4","9","9","9","1") = "8"
    & skf18("9","4","4","9","9","10","1") = "9"
    & skf18("9","4","4","9","10","1","1") = "9"
    & skf18("9","4","4","9","10","2","1") = "9"
    & skf18("9","4","4","9","10","3","1") = "9"
    & skf18("9","4","4","9","10","4","1") = "9"
    & skf18("9","4","4","9","10","5","1") = "9"
    & skf18("9","4","4","9","10","6","1") = "9"
    & skf18("9","4","4","9","10","7","1") = "9"
    & skf18("9","4","4","9","10","8","1") = "9"
    & skf18("9","4","4","9","10","9","1") = "9"
    & skf18("9","4","4","9","10","10","1") = "9"
    & skf18("9","4","4","10","1","1","1") = "9"
    & skf18("9","4","4","10","1","2","1") = "9"
    & skf18("9","4","4","10","1","3","1") = "9"
    & skf18("9","4","4","10","1","4","1") = "9"
    & skf18("9","4","4","10","1","5","1") = "9"
    & skf18("9","4","4","10","1","6","1") = "9"
    & skf18("9","4","4","10","1","7","1") = "9"
    & skf18("9","4","4","10","1","8","1") = "9"
    & skf18("9","4","4","10","1","9","1") = "9"
    & skf18("9","4","4","10","1","10","1") = "9"
    & skf18("9","4","4","10","2","1","1") = "9"
    & skf18("9","4","4","10","2","2","1") = "9"
    & skf18("9","4","4","10","2","3","1") = "9"
    & skf18("9","4","4","10","2","4","1") = "9"
    & skf18("9","4","4","10","2","5","1") = "9"
    & skf18("9","4","4","10","2","6","1") = "9"
    & skf18("9","4","4","10","2","7","1") = "9"
    & skf18("9","4","4","10","2","8","1") = "9"
    & skf18("9","4","4","10","2","9","1") = "9"
    & skf18("9","4","4","10","2","10","1") = "9"
    & skf18("9","4","4","10","3","1","1") = "9"
    & skf18("9","4","4","10","3","2","1") = "9"
    & skf18("9","4","4","10","3","3","1") = "9"
    & skf18("9","4","4","10","3","4","1") = "9"
    & skf18("9","4","4","10","3","5","1") = "9"
    & skf18("9","4","4","10","3","6","1") = "9"
    & skf18("9","4","4","10","3","7","1") = "9"
    & skf18("9","4","4","10","3","8","1") = "9"
    & skf18("9","4","4","10","3","9","1") = "9"
    & skf18("9","4","4","10","3","10","1") = "9"
    & skf18("9","4","4","10","4","1","1") = "9"
    & skf18("9","4","4","10","4","2","1") = "9"
    & skf18("9","4","4","10","4","3","1") = "9"
    & skf18("9","4","4","10","4","4","1") = "9"
    & skf18("9","4","4","10","4","5","1") = "9"
    & skf18("9","4","4","10","4","6","1") = "9"
    & skf18("9","4","4","10","4","7","1") = "9"
    & skf18("9","4","4","10","4","8","1") = "9"
    & skf18("9","4","4","10","4","9","1") = "9"
    & skf18("9","4","4","10","4","10","1") = "9"
    & skf18("9","4","4","10","5","1","1") = "9"
    & skf18("9","4","4","10","5","2","1") = "9"
    & skf18("9","4","4","10","5","3","1") = "9"
    & skf18("9","4","4","10","5","4","1") = "9"
    & skf18("9","4","4","10","5","5","1") = "9"
    & skf18("9","4","4","10","5","6","1") = "9"
    & skf18("9","4","4","10","5","7","1") = "9"
    & skf18("9","4","4","10","5","8","1") = "9"
    & skf18("9","4","4","10","5","9","1") = "9"
    & skf18("9","4","4","10","5","10","1") = "9"
    & skf18("9","4","4","10","6","1","1") = "9"
    & skf18("9","4","4","10","6","2","1") = "9"
    & skf18("9","4","4","10","6","3","1") = "9"
    & skf18("9","4","4","10","6","4","1") = "9"
    & skf18("9","4","4","10","6","5","1") = "9"
    & skf18("9","4","4","10","6","6","1") = "9"
    & skf18("9","4","4","10","6","7","1") = "9"
    & skf18("9","4","4","10","6","8","1") = "9"
    & skf18("9","4","4","10","6","9","1") = "9"
    & skf18("9","4","4","10","6","10","1") = "9"
    & skf18("9","4","4","10","7","1","1") = "9"
    & skf18("9","4","4","10","7","2","1") = "9"
    & skf18("9","4","4","10","7","3","1") = "9"
    & skf18("9","4","4","10","7","4","1") = "9"
    & skf18("9","4","4","10","7","5","1") = "9"
    & skf18("9","4","4","10","7","6","1") = "9"
    & skf18("9","4","4","10","7","7","1") = "9"
    & skf18("9","4","4","10","7","8","1") = "9"
    & skf18("9","4","4","10","7","9","1") = "9"
    & skf18("9","4","4","10","7","10","1") = "9"
    & skf18("9","4","4","10","8","1","1") = "9"
    & skf18("9","4","4","10","8","2","1") = "9"
    & skf18("9","4","4","10","8","3","1") = "9"
    & skf18("9","4","4","10","8","4","1") = "9"
    & skf18("9","4","4","10","8","5","1") = "9"
    & skf18("9","4","4","10","8","6","1") = "9"
    & skf18("9","4","4","10","8","7","1") = "9"
    & skf18("9","4","4","10","8","8","1") = "9"
    & skf18("9","4","4","10","8","9","1") = "9"
    & skf18("9","4","4","10","8","10","1") = "9"
    & skf18("9","4","4","10","9","1","1") = "9"
    & skf18("9","4","4","10","9","2","1") = "9"
    & skf18("9","4","4","10","9","3","1") = "9"
    & skf18("9","4","4","10","9","4","1") = "9"
    & skf18("9","4","4","10","9","5","1") = "9"
    & skf18("9","4","4","10","9","6","1") = "9"
    & skf18("9","4","4","10","9","7","1") = "9"
    & skf18("9","4","4","10","9","8","1") = "9"
    & skf18("9","4","4","10","9","9","1") = "9"
    & skf18("9","4","4","10","9","10","1") = "9"
    & skf18("9","4","4","10","10","1","1") = "9"
    & skf18("9","4","4","10","10","2","1") = "9"
    & skf18("9","4","4","10","10","3","1") = "9"
    & skf18("9","4","4","10","10","4","1") = "9"
    & skf18("9","4","4","10","10","5","1") = "9"
    & skf18("9","4","4","10","10","6","1") = "9"
    & skf18("9","4","4","10","10","7","1") = "9"
    & skf18("9","4","4","10","10","8","1") = "9"
    & skf18("9","4","4","10","10","9","1") = "9"
    & skf18("9","4","4","10","10","10","1") = "9"
    & skf18("9","4","5","1","1","1","1") = "8"
    & skf18("9","4","5","1","1","2","1") = "8"
    & skf18("9","4","5","1","1","3","1") = "8"
    & skf18("9","4","5","1","1","4","1") = "8"
    & skf18("9","4","5","1","1","5","1") = "8"
    & skf18("9","4","5","1","1","6","1") = "8"
    & skf18("9","4","5","1","1","7","1") = "8"
    & skf18("9","4","5","1","1","8","1") = "8"
    & skf18("9","4","5","1","1","9","1") = "8"
    & skf18("9","4","5","1","1","10","1") = "9"
    & skf18("9","4","5","1","2","1","1") = "8"
    & skf18("9","4","5","1","2","2","1") = "8"
    & skf18("9","4","5","1","2","3","1") = "8"
    & skf18("9","4","5","1","2","4","1") = "8"
    & skf18("9","4","5","1","2","5","1") = "8"
    & skf18("9","4","5","1","2","6","1") = "8"
    & skf18("9","4","5","1","2","7","1") = "8"
    & skf18("9","4","5","1","2","8","1") = "8"
    & skf18("9","4","5","1","2","9","1") = "8"
    & skf18("9","4","5","1","2","10","1") = "9"
    & skf18("9","4","5","1","3","1","1") = "8"
    & skf18("9","4","5","1","3","2","1") = "8"
    & skf18("9","4","5","1","3","3","1") = "8"
    & skf18("9","4","5","1","3","4","1") = "8"
    & skf18("9","4","5","1","3","5","1") = "8"
    & skf18("9","4","5","1","3","6","1") = "8"
    & skf18("9","4","5","1","3","7","1") = "8"
    & skf18("9","4","5","1","3","8","1") = "8"
    & skf18("9","4","5","1","3","9","1") = "8"
    & skf18("9","4","5","1","3","10","1") = "9"
    & skf18("9","4","5","1","4","1","1") = "8"
    & skf18("9","4","5","1","4","2","1") = "8"
    & skf18("9","4","5","1","4","3","1") = "8"
    & skf18("9","4","5","1","4","4","1") = "8"
    & skf18("9","4","5","1","4","5","1") = "8"
    & skf18("9","4","5","1","4","6","1") = "8"
    & skf18("9","4","5","1","4","7","1") = "8"
    & skf18("9","4","5","1","4","8","1") = "8"
    & skf18("9","4","5","1","4","9","1") = "8"
    & skf18("9","4","5","1","4","10","1") = "9"
    & skf18("9","4","5","1","5","1","1") = "8"
    & skf18("9","4","5","1","5","2","1") = "8"
    & skf18("9","4","5","1","5","3","1") = "8"
    & skf18("9","4","5","1","5","4","1") = "8"
    & skf18("9","4","5","1","5","5","1") = "8"
    & skf18("9","4","5","1","5","6","1") = "8"
    & skf18("9","4","5","1","5","7","1") = "8"
    & skf18("9","4","5","1","5","8","1") = "8"
    & skf18("9","4","5","1","5","9","1") = "8"
    & skf18("9","4","5","1","5","10","1") = "9"
    & skf18("9","4","5","1","6","1","1") = "8"
    & skf18("9","4","5","1","6","2","1") = "8"
    & skf18("9","4","5","1","6","3","1") = "8"
    & skf18("9","4","5","1","6","4","1") = "8"
    & skf18("9","4","5","1","6","5","1") = "8"
    & skf18("9","4","5","1","6","6","1") = "8"
    & skf18("9","4","5","1","6","7","1") = "8"
    & skf18("9","4","5","1","6","8","1") = "8"
    & skf18("9","4","5","1","6","9","1") = "8"
    & skf18("9","4","5","1","6","10","1") = "9"
    & skf18("9","4","5","1","7","1","1") = "8"
    & skf18("9","4","5","1","7","2","1") = "8"
    & skf18("9","4","5","1","7","3","1") = "8"
    & skf18("9","4","5","1","7","4","1") = "8"
    & skf18("9","4","5","1","7","5","1") = "8"
    & skf18("9","4","5","1","7","6","1") = "8"
    & skf18("9","4","5","1","7","7","1") = "8"
    & skf18("9","4","5","1","7","8","1") = "8"
    & skf18("9","4","5","1","7","9","1") = "8"
    & skf18("9","4","5","1","7","10","1") = "9"
    & skf18("9","4","5","1","8","1","1") = "8"
    & skf18("9","4","5","1","8","2","1") = "8"
    & skf18("9","4","5","1","8","3","1") = "8"
    & skf18("9","4","5","1","8","4","1") = "8"
    & skf18("9","4","5","1","8","5","1") = "8"
    & skf18("9","4","5","1","8","6","1") = "8"
    & skf18("9","4","5","1","8","7","1") = "8"
    & skf18("9","4","5","1","8","8","1") = "8"
    & skf18("9","4","5","1","8","9","1") = "8"
    & skf18("9","4","5","1","8","10","1") = "9"
    & skf18("9","4","5","1","9","1","1") = "8"
    & skf18("9","4","5","1","9","2","1") = "8"
    & skf18("9","4","5","1","9","3","1") = "8"
    & skf18("9","4","5","1","9","4","1") = "8"
    & skf18("9","4","5","1","9","5","1") = "8"
    & skf18("9","4","5","1","9","6","1") = "8"
    & skf18("9","4","5","1","9","7","1") = "8"
    & skf18("9","4","5","1","9","8","1") = "8"
    & skf18("9","4","5","1","9","9","1") = "8"
    & skf18("9","4","5","1","9","10","1") = "9"
    & skf18("9","4","5","1","10","1","1") = "9"
    & skf18("9","4","5","1","10","2","1") = "9"
    & skf18("9","4","5","1","10","3","1") = "9"
    & skf18("9","4","5","1","10","4","1") = "9"
    & skf18("9","4","5","1","10","5","1") = "9"
    & skf18("9","4","5","1","10","6","1") = "9"
    & skf18("9","4","5","1","10","7","1") = "9"
    & skf18("9","4","5","1","10","8","1") = "9"
    & skf18("9","4","5","1","10","9","1") = "9"
    & skf18("9","4","5","1","10","10","1") = "9"
    & skf18("9","4","5","2","1","1","1") = "8"
    & skf18("9","4","5","2","1","2","1") = "8"
    & skf18("9","4","5","2","1","3","1") = "8"
    & skf18("9","4","5","2","1","4","1") = "8"
    & skf18("9","4","5","2","1","5","1") = "8"
    & skf18("9","4","5","2","1","6","1") = "8"
    & skf18("9","4","5","2","1","7","1") = "8"
    & skf18("9","4","5","2","1","8","1") = "8"
    & skf18("9","4","5","2","1","9","1") = "8"
    & skf18("9","4","5","2","1","10","1") = "9"
    & skf18("9","4","5","2","2","1","1") = "8"
    & skf18("9","4","5","2","2","2","1") = "8"
    & skf18("9","4","5","2","2","3","1") = "8"
    & skf18("9","4","5","2","2","4","1") = "8"
    & skf18("9","4","5","2","2","5","1") = "8"
    & skf18("9","4","5","2","2","6","1") = "8"
    & skf18("9","4","5","2","2","7","1") = "8"
    & skf18("9","4","5","2","2","8","1") = "8"
    & skf18("9","4","5","2","2","9","1") = "8"
    & skf18("9","4","5","2","2","10","1") = "9"
    & skf18("9","4","5","2","3","1","1") = "8"
    & skf18("9","4","5","2","3","2","1") = "8"
    & skf18("9","4","5","2","3","3","1") = "8"
    & skf18("9","4","5","2","3","4","1") = "8"
    & skf18("9","4","5","2","3","5","1") = "8"
    & skf18("9","4","5","2","3","6","1") = "8"
    & skf18("9","4","5","2","3","7","1") = "8"
    & skf18("9","4","5","2","3","8","1") = "8"
    & skf18("9","4","5","2","3","9","1") = "8"
    & skf18("9","4","5","2","3","10","1") = "9"
    & skf18("9","4","5","2","4","1","1") = "8"
    & skf18("9","4","5","2","4","2","1") = "8"
    & skf18("9","4","5","2","4","3","1") = "8"
    & skf18("9","4","5","2","4","4","1") = "8"
    & skf18("9","4","5","2","4","5","1") = "8"
    & skf18("9","4","5","2","4","6","1") = "8"
    & skf18("9","4","5","2","4","7","1") = "8"
    & skf18("9","4","5","2","4","8","1") = "8"
    & skf18("9","4","5","2","4","9","1") = "8"
    & skf18("9","4","5","2","4","10","1") = "9"
    & skf18("9","4","5","2","5","1","1") = "8"
    & skf18("9","4","5","2","5","2","1") = "8"
    & skf18("9","4","5","2","5","3","1") = "8"
    & skf18("9","4","5","2","5","4","1") = "8"
    & skf18("9","4","5","2","5","5","1") = "8"
    & skf18("9","4","5","2","5","6","1") = "8"
    & skf18("9","4","5","2","5","7","1") = "8"
    & skf18("9","4","5","2","5","8","1") = "8"
    & skf18("9","4","5","2","5","9","1") = "8"
    & skf18("9","4","5","2","5","10","1") = "9"
    & skf18("9","4","5","2","6","1","1") = "8"
    & skf18("9","4","5","2","6","2","1") = "8"
    & skf18("9","4","5","2","6","3","1") = "8"
    & skf18("9","4","5","2","6","4","1") = "8"
    & skf18("9","4","5","2","6","5","1") = "8"
    & skf18("9","4","5","2","6","6","1") = "8"
    & skf18("9","4","5","2","6","7","1") = "8"
    & skf18("9","4","5","2","6","8","1") = "8"
    & skf18("9","4","5","2","6","9","1") = "8"
    & skf18("9","4","5","2","6","10","1") = "9"
    & skf18("9","4","5","2","7","1","1") = "8"
    & skf18("9","4","5","2","7","2","1") = "8"
    & skf18("9","4","5","2","7","3","1") = "8"
    & skf18("9","4","5","2","7","4","1") = "8"
    & skf18("9","4","5","2","7","5","1") = "8"
    & skf18("9","4","5","2","7","6","1") = "8"
    & skf18("9","4","5","2","7","7","1") = "8"
    & skf18("9","4","5","2","7","8","1") = "8"
    & skf18("9","4","5","2","7","9","1") = "8"
    & skf18("9","4","5","2","7","10","1") = "9"
    & skf18("9","4","5","2","8","1","1") = "8"
    & skf18("9","4","5","2","8","2","1") = "8"
    & skf18("9","4","5","2","8","3","1") = "8"
    & skf18("9","4","5","2","8","4","1") = "8"
    & skf18("9","4","5","2","8","5","1") = "8"
    & skf18("9","4","5","2","8","6","1") = "8"
    & skf18("9","4","5","2","8","7","1") = "8"
    & skf18("9","4","5","2","8","8","1") = "8"
    & skf18("9","4","5","2","8","9","1") = "8"
    & skf18("9","4","5","2","8","10","1") = "9"
    & skf18("9","4","5","2","9","1","1") = "8"
    & skf18("9","4","5","2","9","2","1") = "8"
    & skf18("9","4","5","2","9","3","1") = "8"
    & skf18("9","4","5","2","9","4","1") = "8"
    & skf18("9","4","5","2","9","5","1") = "8"
    & skf18("9","4","5","2","9","6","1") = "8"
    & skf18("9","4","5","2","9","7","1") = "8"
    & skf18("9","4","5","2","9","8","1") = "8"
    & skf18("9","4","5","2","9","9","1") = "8"
    & skf18("9","4","5","2","9","10","1") = "9"
    & skf18("9","4","5","2","10","1","1") = "9"
    & skf18("9","4","5","2","10","2","1") = "9"
    & skf18("9","4","5","2","10","3","1") = "9"
    & skf18("9","4","5","2","10","4","1") = "9"
    & skf18("9","4","5","2","10","5","1") = "9"
    & skf18("9","4","5","2","10","6","1") = "9"
    & skf18("9","4","5","2","10","7","1") = "9"
    & skf18("9","4","5","2","10","8","1") = "9"
    & skf18("9","4","5","2","10","9","1") = "9"
    & skf18("9","4","5","2","10","10","1") = "9"
    & skf18("9","4","5","3","1","1","1") = "8"
    & skf18("9","4","5","3","1","2","1") = "8"
    & skf18("9","4","5","3","1","3","1") = "8"
    & skf18("9","4","5","3","1","4","1") = "8"
    & skf18("9","4","5","3","1","5","1") = "8"
    & skf18("9","4","5","3","1","6","1") = "8"
    & skf18("9","4","5","3","1","7","1") = "8"
    & skf18("9","4","5","3","1","8","1") = "8"
    & skf18("9","4","5","3","1","9","1") = "8"
    & skf18("9","4","5","3","1","10","1") = "9"
    & skf18("9","4","5","3","2","1","1") = "8"
    & skf18("9","4","5","3","2","2","1") = "8"
    & skf18("9","4","5","3","2","3","1") = "8"
    & skf18("9","4","5","3","2","4","1") = "8"
    & skf18("9","4","5","3","2","5","1") = "8"
    & skf18("9","4","5","3","2","6","1") = "8"
    & skf18("9","4","5","3","2","7","1") = "8"
    & skf18("9","4","5","3","2","8","1") = "8"
    & skf18("9","4","5","3","2","9","1") = "8"
    & skf18("9","4","5","3","2","10","1") = "9"
    & skf18("9","4","5","3","3","1","1") = "8"
    & skf18("9","4","5","3","3","2","1") = "8"
    & skf18("9","4","5","3","3","3","1") = "8"
    & skf18("9","4","5","3","3","4","1") = "8"
    & skf18("9","4","5","3","3","5","1") = "8"
    & skf18("9","4","5","3","3","6","1") = "8"
    & skf18("9","4","5","3","3","7","1") = "8"
    & skf18("9","4","5","3","3","8","1") = "8"
    & skf18("9","4","5","3","3","9","1") = "8"
    & skf18("9","4","5","3","3","10","1") = "9"
    & skf18("9","4","5","3","4","1","1") = "8"
    & skf18("9","4","5","3","4","2","1") = "8"
    & skf18("9","4","5","3","4","3","1") = "8"
    & skf18("9","4","5","3","4","4","1") = "8"
    & skf18("9","4","5","3","4","5","1") = "8"
    & skf18("9","4","5","3","4","6","1") = "8"
    & skf18("9","4","5","3","4","7","1") = "8"
    & skf18("9","4","5","3","4","8","1") = "8"
    & skf18("9","4","5","3","4","9","1") = "8"
    & skf18("9","4","5","3","4","10","1") = "9"
    & skf18("9","4","5","3","5","1","1") = "8"
    & skf18("9","4","5","3","5","2","1") = "8"
    & skf18("9","4","5","3","5","3","1") = "8"
    & skf18("9","4","5","3","5","4","1") = "8"
    & skf18("9","4","5","3","5","5","1") = "8"
    & skf18("9","4","5","3","5","6","1") = "8"
    & skf18("9","4","5","3","5","7","1") = "8"
    & skf18("9","4","5","3","5","8","1") = "8"
    & skf18("9","4","5","3","5","9","1") = "8"
    & skf18("9","4","5","3","5","10","1") = "9"
    & skf18("9","4","5","3","6","1","1") = "8"
    & skf18("9","4","5","3","6","2","1") = "8"
    & skf18("9","4","5","3","6","3","1") = "8"
    & skf18("9","4","5","3","6","4","1") = "8"
    & skf18("9","4","5","3","6","5","1") = "8"
    & skf18("9","4","5","3","6","6","1") = "8"
    & skf18("9","4","5","3","6","7","1") = "8"
    & skf18("9","4","5","3","6","8","1") = "8"
    & skf18("9","4","5","3","6","9","1") = "8"
    & skf18("9","4","5","3","6","10","1") = "9"
    & skf18("9","4","5","3","7","1","1") = "8"
    & skf18("9","4","5","3","7","2","1") = "8"
    & skf18("9","4","5","3","7","3","1") = "8"
    & skf18("9","4","5","3","7","4","1") = "8"
    & skf18("9","4","5","3","7","5","1") = "8"
    & skf18("9","4","5","3","7","6","1") = "8"
    & skf18("9","4","5","3","7","7","1") = "8"
    & skf18("9","4","5","3","7","8","1") = "8"
    & skf18("9","4","5","3","7","9","1") = "8"
    & skf18("9","4","5","3","7","10","1") = "9"
    & skf18("9","4","5","3","8","1","1") = "8"
    & skf18("9","4","5","3","8","2","1") = "8"
    & skf18("9","4","5","3","8","3","1") = "8"
    & skf18("9","4","5","3","8","4","1") = "8"
    & skf18("9","4","5","3","8","5","1") = "8"
    & skf18("9","4","5","3","8","6","1") = "8"
    & skf18("9","4","5","3","8","7","1") = "8"
    & skf18("9","4","5","3","8","8","1") = "8"
    & skf18("9","4","5","3","8","9","1") = "8"
    & skf18("9","4","5","3","8","10","1") = "9"
    & skf18("9","4","5","3","9","1","1") = "8"
    & skf18("9","4","5","3","9","2","1") = "8"
    & skf18("9","4","5","3","9","3","1") = "8"
    & skf18("9","4","5","3","9","4","1") = "8"
    & skf18("9","4","5","3","9","5","1") = "8"
    & skf18("9","4","5","3","9","6","1") = "8"
    & skf18("9","4","5","3","9","7","1") = "8"
    & skf18("9","4","5","3","9","8","1") = "8"
    & skf18("9","4","5","3","9","9","1") = "8"
    & skf18("9","4","5","3","9","10","1") = "9"
    & skf18("9","4","5","3","10","1","1") = "9"
    & skf18("9","4","5","3","10","2","1") = "9"
    & skf18("9","4","5","3","10","3","1") = "9"
    & skf18("9","4","5","3","10","4","1") = "9"
    & skf18("9","4","5","3","10","5","1") = "9"
    & skf18("9","4","5","3","10","6","1") = "9"
    & skf18("9","4","5","3","10","7","1") = "9"
    & skf18("9","4","5","3","10","8","1") = "9"
    & skf18("9","4","5","3","10","9","1") = "9"
    & skf18("9","4","5","3","10","10","1") = "9"
    & skf18("9","4","5","4","1","1","1") = "8"
    & skf18("9","4","5","4","1","2","1") = "8"
    & skf18("9","4","5","4","1","3","1") = "8"
    & skf18("9","4","5","4","1","4","1") = "8"
    & skf18("9","4","5","4","1","5","1") = "8"
    & skf18("9","4","5","4","1","6","1") = "8"
    & skf18("9","4","5","4","1","7","1") = "8"
    & skf18("9","4","5","4","1","8","1") = "8"
    & skf18("9","4","5","4","1","9","1") = "8"
    & skf18("9","4","5","4","1","10","1") = "9"
    & skf18("9","4","5","4","2","1","1") = "8"
    & skf18("9","4","5","4","2","2","1") = "8"
    & skf18("9","4","5","4","2","3","1") = "8"
    & skf18("9","4","5","4","2","4","1") = "8"
    & skf18("9","4","5","4","2","5","1") = "8"
    & skf18("9","4","5","4","2","6","1") = "8"
    & skf18("9","4","5","4","2","7","1") = "8"
    & skf18("9","4","5","4","2","8","1") = "8"
    & skf18("9","4","5","4","2","9","1") = "8"
    & skf18("9","4","5","4","2","10","1") = "9"
    & skf18("9","4","5","4","3","1","1") = "8"
    & skf18("9","4","5","4","3","2","1") = "8"
    & skf18("9","4","5","4","3","3","1") = "8"
    & skf18("9","4","5","4","3","4","1") = "8"
    & skf18("9","4","5","4","3","5","1") = "8"
    & skf18("9","4","5","4","3","6","1") = "8"
    & skf18("9","4","5","4","3","7","1") = "8"
    & skf18("9","4","5","4","3","8","1") = "8"
    & skf18("9","4","5","4","3","9","1") = "8"
    & skf18("9","4","5","4","3","10","1") = "9"
    & skf18("9","4","5","4","4","1","1") = "8"
    & skf18("9","4","5","4","4","2","1") = "8"
    & skf18("9","4","5","4","4","3","1") = "8"
    & skf18("9","4","5","4","4","4","1") = "8"
    & skf18("9","4","5","4","4","5","1") = "8"
    & skf18("9","4","5","4","4","6","1") = "8"
    & skf18("9","4","5","4","4","7","1") = "8"
    & skf18("9","4","5","4","4","8","1") = "8"
    & skf18("9","4","5","4","4","9","1") = "8"
    & skf18("9","4","5","4","4","10","1") = "9"
    & skf18("9","4","5","4","5","1","1") = "8"
    & skf18("9","4","5","4","5","2","1") = "8"
    & skf18("9","4","5","4","5","3","1") = "8"
    & skf18("9","4","5","4","5","4","1") = "8"
    & skf18("9","4","5","4","5","5","1") = "8"
    & skf18("9","4","5","4","5","6","1") = "8"
    & skf18("9","4","5","4","5","7","1") = "8"
    & skf18("9","4","5","4","5","8","1") = "8"
    & skf18("9","4","5","4","5","9","1") = "8"
    & skf18("9","4","5","4","5","10","1") = "9"
    & skf18("9","4","5","4","6","1","1") = "8"
    & skf18("9","4","5","4","6","2","1") = "8"
    & skf18("9","4","5","4","6","3","1") = "8"
    & skf18("9","4","5","4","6","4","1") = "8"
    & skf18("9","4","5","4","6","5","1") = "8"
    & skf18("9","4","5","4","6","6","1") = "8"
    & skf18("9","4","5","4","6","7","1") = "8"
    & skf18("9","4","5","4","6","8","1") = "8"
    & skf18("9","4","5","4","6","9","1") = "8"
    & skf18("9","4","5","4","6","10","1") = "9"
    & skf18("9","4","5","4","7","1","1") = "8"
    & skf18("9","4","5","4","7","2","1") = "8"
    & skf18("9","4","5","4","7","3","1") = "8"
    & skf18("9","4","5","4","7","4","1") = "8"
    & skf18("9","4","5","4","7","5","1") = "8"
    & skf18("9","4","5","4","7","6","1") = "8"
    & skf18("9","4","5","4","7","7","1") = "8"
    & skf18("9","4","5","4","7","8","1") = "8"
    & skf18("9","4","5","4","7","9","1") = "8"
    & skf18("9","4","5","4","7","10","1") = "9"
    & skf18("9","4","5","4","8","1","1") = "8"
    & skf18("9","4","5","4","8","2","1") = "8"
    & skf18("9","4","5","4","8","3","1") = "8"
    & skf18("9","4","5","4","8","4","1") = "8"
    & skf18("9","4","5","4","8","5","1") = "8"
    & skf18("9","4","5","4","8","6","1") = "8"
    & skf18("9","4","5","4","8","7","1") = "8"
    & skf18("9","4","5","4","8","8","1") = "8"
    & skf18("9","4","5","4","8","9","1") = "8"
    & skf18("9","4","5","4","8","10","1") = "9"
    & skf18("9","4","5","4","9","1","1") = "8"
    & skf18("9","4","5","4","9","2","1") = "8"
    & skf18("9","4","5","4","9","3","1") = "8"
    & skf18("9","4","5","4","9","4","1") = "8"
    & skf18("9","4","5","4","9","5","1") = "8"
    & skf18("9","4","5","4","9","6","1") = "8"
    & skf18("9","4","5","4","9","7","1") = "8"
    & skf18("9","4","5","4","9","8","1") = "8"
    & skf18("9","4","5","4","9","9","1") = "8"
    & skf18("9","4","5","4","9","10","1") = "9"
    & skf18("9","4","5","4","10","1","1") = "9"
    & skf18("9","4","5","4","10","2","1") = "9"
    & skf18("9","4","5","4","10","3","1") = "9"
    & skf18("9","4","5","4","10","4","1") = "9"
    & skf18("9","4","5","4","10","5","1") = "9"
    & skf18("9","4","5","4","10","6","1") = "9"
    & skf18("9","4","5","4","10","7","1") = "9"
    & skf18("9","4","5","4","10","8","1") = "9"
    & skf18("9","4","5","4","10","9","1") = "9"
    & skf18("9","4","5","4","10","10","1") = "9"
    & skf18("9","4","5","5","1","1","1") = "8"
    & skf18("9","4","5","5","1","2","1") = "8"
    & skf18("9","4","5","5","1","3","1") = "8"
    & skf18("9","4","5","5","1","4","1") = "8"
    & skf18("9","4","5","5","1","5","1") = "8"
    & skf18("9","4","5","5","1","6","1") = "8"
    & skf18("9","4","5","5","1","7","1") = "8"
    & skf18("9","4","5","5","1","8","1") = "8"
    & skf18("9","4","5","5","1","9","1") = "8"
    & skf18("9","4","5","5","1","10","1") = "9"
    & skf18("9","4","5","5","2","1","1") = "8"
    & skf18("9","4","5","5","2","2","1") = "8"
    & skf18("9","4","5","5","2","3","1") = "8"
    & skf18("9","4","5","5","2","4","1") = "8"
    & skf18("9","4","5","5","2","5","1") = "8"
    & skf18("9","4","5","5","2","6","1") = "8"
    & skf18("9","4","5","5","2","7","1") = "8"
    & skf18("9","4","5","5","2","8","1") = "8"
    & skf18("9","4","5","5","2","9","1") = "8"
    & skf18("9","4","5","5","2","10","1") = "9"
    & skf18("9","4","5","5","3","1","1") = "8"
    & skf18("9","4","5","5","3","2","1") = "8"
    & skf18("9","4","5","5","3","3","1") = "8"
    & skf18("9","4","5","5","3","4","1") = "8"
    & skf18("9","4","5","5","3","5","1") = "8"
    & skf18("9","4","5","5","3","6","1") = "8"
    & skf18("9","4","5","5","3","7","1") = "8"
    & skf18("9","4","5","5","3","8","1") = "8"
    & skf18("9","4","5","5","3","9","1") = "8"
    & skf18("9","4","5","5","3","10","1") = "9"
    & skf18("9","4","5","5","4","1","1") = "8"
    & skf18("9","4","5","5","4","2","1") = "8"
    & skf18("9","4","5","5","4","3","1") = "8"
    & skf18("9","4","5","5","4","4","1") = "8"
    & skf18("9","4","5","5","4","5","1") = "8"
    & skf18("9","4","5","5","4","6","1") = "8"
    & skf18("9","4","5","5","4","7","1") = "8"
    & skf18("9","4","5","5","4","8","1") = "8"
    & skf18("9","4","5","5","4","9","1") = "8"
    & skf18("9","4","5","5","4","10","1") = "9"
    & skf18("9","4","5","5","5","1","1") = "8"
    & skf18("9","4","5","5","5","2","1") = "8"
    & skf18("9","4","5","5","5","3","1") = "8"
    & skf18("9","4","5","5","5","4","1") = "8"
    & skf18("9","4","5","5","5","5","1") = "8"
    & skf18("9","4","5","5","5","6","1") = "8"
    & skf18("9","4","5","5","5","7","1") = "8"
    & skf18("9","4","5","5","5","8","1") = "8"
    & skf18("9","4","5","5","5","9","1") = "8"
    & skf18("9","4","5","5","5","10","1") = "9"
    & skf18("9","4","5","5","6","1","1") = "8"
    & skf18("9","4","5","5","6","2","1") = "8"
    & skf18("9","4","5","5","6","3","1") = "8"
    & skf18("9","4","5","5","6","4","1") = "8"
    & skf18("9","4","5","5","6","5","1") = "8"
    & skf18("9","4","5","5","6","6","1") = "8"
    & skf18("9","4","5","5","6","7","1") = "8"
    & skf18("9","4","5","5","6","8","1") = "8"
    & skf18("9","4","5","5","6","9","1") = "8"
    & skf18("9","4","5","5","6","10","1") = "9"
    & skf18("9","4","5","5","7","1","1") = "8"
    & skf18("9","4","5","5","7","2","1") = "8"
    & skf18("9","4","5","5","7","3","1") = "8"
    & skf18("9","4","5","5","7","4","1") = "8"
    & skf18("9","4","5","5","7","5","1") = "8"
    & skf18("9","4","5","5","7","6","1") = "8"
    & skf18("9","4","5","5","7","7","1") = "8"
    & skf18("9","4","5","5","7","8","1") = "8"
    & skf18("9","4","5","5","7","9","1") = "8"
    & skf18("9","4","5","5","7","10","1") = "9"
    & skf18("9","4","5","5","8","1","1") = "8"
    & skf18("9","4","5","5","8","2","1") = "8"
    & skf18("9","4","5","5","8","3","1") = "8"
    & skf18("9","4","5","5","8","4","1") = "8"
    & skf18("9","4","5","5","8","5","1") = "8"
    & skf18("9","4","5","5","8","6","1") = "8"
    & skf18("9","4","5","5","8","7","1") = "8"
    & skf18("9","4","5","5","8","8","1") = "8"
    & skf18("9","4","5","5","8","9","1") = "8"
    & skf18("9","4","5","5","8","10","1") = "9"
    & skf18("9","4","5","5","9","1","1") = "8"
    & skf18("9","4","5","5","9","2","1") = "8"
    & skf18("9","4","5","5","9","3","1") = "8"
    & skf18("9","4","5","5","9","4","1") = "8"
    & skf18("9","4","5","5","9","5","1") = "8"
    & skf18("9","4","5","5","9","6","1") = "8"
    & skf18("9","4","5","5","9","7","1") = "8"
    & skf18("9","4","5","5","9","8","1") = "8"
    & skf18("9","4","5","5","9","9","1") = "8"
    & skf18("9","4","5","5","9","10","1") = "9"
    & skf18("9","4","5","5","10","1","1") = "9"
    & skf18("9","4","5","5","10","2","1") = "9"
    & skf18("9","4","5","5","10","3","1") = "9"
    & skf18("9","4","5","5","10","4","1") = "9"
    & skf18("9","4","5","5","10","5","1") = "9"
    & skf18("9","4","5","5","10","6","1") = "9"
    & skf18("9","4","5","5","10","7","1") = "9"
    & skf18("9","4","5","5","10","8","1") = "9"
    & skf18("9","4","5","5","10","9","1") = "9"
    & skf18("9","4","5","5","10","10","1") = "9"
    & skf18("9","4","5","6","1","1","1") = "8"
    & skf18("9","4","5","6","1","2","1") = "8"
    & skf18("9","4","5","6","1","3","1") = "8"
    & skf18("9","4","5","6","1","4","1") = "8"
    & skf18("9","4","5","6","1","5","1") = "8"
    & skf18("9","4","5","6","1","6","1") = "8"
    & skf18("9","4","5","6","1","7","1") = "8"
    & skf18("9","4","5","6","1","8","1") = "8"
    & skf18("9","4","5","6","1","9","1") = "8"
    & skf18("9","4","5","6","1","10","1") = "9"
    & skf18("9","4","5","6","2","1","1") = "8"
    & skf18("9","4","5","6","2","2","1") = "8"
    & skf18("9","4","5","6","2","3","1") = "8"
    & skf18("9","4","5","6","2","4","1") = "8"
    & skf18("9","4","5","6","2","5","1") = "8"
    & skf18("9","4","5","6","2","6","1") = "8"
    & skf18("9","4","5","6","2","7","1") = "8"
    & skf18("9","4","5","6","2","8","1") = "8"
    & skf18("9","4","5","6","2","9","1") = "8"
    & skf18("9","4","5","6","2","10","1") = "9"
    & skf18("9","4","5","6","3","1","1") = "8"
    & skf18("9","4","5","6","3","2","1") = "8"
    & skf18("9","4","5","6","3","3","1") = "8"
    & skf18("9","4","5","6","3","4","1") = "8"
    & skf18("9","4","5","6","3","5","1") = "8"
    & skf18("9","4","5","6","3","6","1") = "8"
    & skf18("9","4","5","6","3","7","1") = "8"
    & skf18("9","4","5","6","3","8","1") = "8"
    & skf18("9","4","5","6","3","9","1") = "8"
    & skf18("9","4","5","6","3","10","1") = "9"
    & skf18("9","4","5","6","4","1","1") = "8"
    & skf18("9","4","5","6","4","2","1") = "8"
    & skf18("9","4","5","6","4","3","1") = "8"
    & skf18("9","4","5","6","4","4","1") = "8"
    & skf18("9","4","5","6","4","5","1") = "8"
    & skf18("9","4","5","6","4","6","1") = "8"
    & skf18("9","4","5","6","4","7","1") = "8"
    & skf18("9","4","5","6","4","8","1") = "8"
    & skf18("9","4","5","6","4","9","1") = "8"
    & skf18("9","4","5","6","4","10","1") = "9"
    & skf18("9","4","5","6","5","1","1") = "8"
    & skf18("9","4","5","6","5","2","1") = "8"
    & skf18("9","4","5","6","5","3","1") = "8"
    & skf18("9","4","5","6","5","4","1") = "8"
    & skf18("9","4","5","6","5","5","1") = "8"
    & skf18("9","4","5","6","5","6","1") = "8"
    & skf18("9","4","5","6","5","7","1") = "8"
    & skf18("9","4","5","6","5","8","1") = "8"
    & skf18("9","4","5","6","5","9","1") = "8"
    & skf18("9","4","5","6","5","10","1") = "9"
    & skf18("9","4","5","6","6","1","1") = "8"
    & skf18("9","4","5","6","6","2","1") = "8"
    & skf18("9","4","5","6","6","3","1") = "8"
    & skf18("9","4","5","6","6","4","1") = "8"
    & skf18("9","4","5","6","6","5","1") = "8"
    & skf18("9","4","5","6","6","6","1") = "8"
    & skf18("9","4","5","6","6","7","1") = "8"
    & skf18("9","4","5","6","6","8","1") = "8"
    & skf18("9","4","5","6","6","9","1") = "8"
    & skf18("9","4","5","6","6","10","1") = "9"
    & skf18("9","4","5","6","7","1","1") = "8"
    & skf18("9","4","5","6","7","2","1") = "8"
    & skf18("9","4","5","6","7","3","1") = "8"
    & skf18("9","4","5","6","7","4","1") = "8"
    & skf18("9","4","5","6","7","5","1") = "8"
    & skf18("9","4","5","6","7","6","1") = "8"
    & skf18("9","4","5","6","7","7","1") = "8"
    & skf18("9","4","5","6","7","8","1") = "8"
    & skf18("9","4","5","6","7","9","1") = "8"
    & skf18("9","4","5","6","7","10","1") = "9"
    & skf18("9","4","5","6","8","1","1") = "8"
    & skf18("9","4","5","6","8","2","1") = "8"
    & skf18("9","4","5","6","8","3","1") = "8"
    & skf18("9","4","5","6","8","4","1") = "8"
    & skf18("9","4","5","6","8","5","1") = "8"
    & skf18("9","4","5","6","8","6","1") = "8"
    & skf18("9","4","5","6","8","7","1") = "8"
    & skf18("9","4","5","6","8","8","1") = "8"
    & skf18("9","4","5","6","8","9","1") = "8"
    & skf18("9","4","5","6","8","10","1") = "9"
    & skf18("9","4","5","6","9","1","1") = "8"
    & skf18("9","4","5","6","9","2","1") = "8"
    & skf18("9","4","5","6","9","3","1") = "8"
    & skf18("9","4","5","6","9","4","1") = "8"
    & skf18("9","4","5","6","9","5","1") = "8"
    & skf18("9","4","5","6","9","6","1") = "8"
    & skf18("9","4","5","6","9","7","1") = "8"
    & skf18("9","4","5","6","9","8","1") = "8"
    & skf18("9","4","5","6","9","9","1") = "8"
    & skf18("9","4","5","6","9","10","1") = "9"
    & skf18("9","4","5","6","10","1","1") = "9"
    & skf18("9","4","5","6","10","2","1") = "9"
    & skf18("9","4","5","6","10","3","1") = "9"
    & skf18("9","4","5","6","10","4","1") = "9"
    & skf18("9","4","5","6","10","5","1") = "9"
    & skf18("9","4","5","6","10","6","1") = "9"
    & skf18("9","4","5","6","10","7","1") = "9"
    & skf18("9","4","5","6","10","8","1") = "9"
    & skf18("9","4","5","6","10","9","1") = "9"
    & skf18("9","4","5","6","10","10","1") = "9"
    & skf18("9","4","5","7","1","1","1") = "8"
    & skf18("9","4","5","7","1","2","1") = "8"
    & skf18("9","4","5","7","1","3","1") = "8"
    & skf18("9","4","5","7","1","4","1") = "8"
    & skf18("9","4","5","7","1","5","1") = "8"
    & skf18("9","4","5","7","1","6","1") = "8"
    & skf18("9","4","5","7","1","7","1") = "8"
    & skf18("9","4","5","7","1","8","1") = "8"
    & skf18("9","4","5","7","1","9","1") = "8"
    & skf18("9","4","5","7","1","10","1") = "9"
    & skf18("9","4","5","7","2","1","1") = "8"
    & skf18("9","4","5","7","2","2","1") = "8"
    & skf18("9","4","5","7","2","3","1") = "8"
    & skf18("9","4","5","7","2","4","1") = "8"
    & skf18("9","4","5","7","2","5","1") = "8"
    & skf18("9","4","5","7","2","6","1") = "8"
    & skf18("9","4","5","7","2","7","1") = "8"
    & skf18("9","4","5","7","2","8","1") = "8"
    & skf18("9","4","5","7","2","9","1") = "8"
    & skf18("9","4","5","7","2","10","1") = "9"
    & skf18("9","4","5","7","3","1","1") = "8"
    & skf18("9","4","5","7","3","2","1") = "8"
    & skf18("9","4","5","7","3","3","1") = "8"
    & skf18("9","4","5","7","3","4","1") = "8"
    & skf18("9","4","5","7","3","5","1") = "8"
    & skf18("9","4","5","7","3","6","1") = "8"
    & skf18("9","4","5","7","3","7","1") = "8"
    & skf18("9","4","5","7","3","8","1") = "8"
    & skf18("9","4","5","7","3","9","1") = "8"
    & skf18("9","4","5","7","3","10","1") = "9"
    & skf18("9","4","5","7","4","1","1") = "8"
    & skf18("9","4","5","7","4","2","1") = "8"
    & skf18("9","4","5","7","4","3","1") = "8"
    & skf18("9","4","5","7","4","4","1") = "8"
    & skf18("9","4","5","7","4","5","1") = "8"
    & skf18("9","4","5","7","4","6","1") = "8"
    & skf18("9","4","5","7","4","7","1") = "8"
    & skf18("9","4","5","7","4","8","1") = "8"
    & skf18("9","4","5","7","4","9","1") = "8"
    & skf18("9","4","5","7","4","10","1") = "9"
    & skf18("9","4","5","7","5","1","1") = "8"
    & skf18("9","4","5","7","5","2","1") = "8"
    & skf18("9","4","5","7","5","3","1") = "8"
    & skf18("9","4","5","7","5","4","1") = "8"
    & skf18("9","4","5","7","5","5","1") = "8"
    & skf18("9","4","5","7","5","6","1") = "8"
    & skf18("9","4","5","7","5","7","1") = "8"
    & skf18("9","4","5","7","5","8","1") = "8"
    & skf18("9","4","5","7","5","9","1") = "8"
    & skf18("9","4","5","7","5","10","1") = "9"
    & skf18("9","4","5","7","6","1","1") = "8"
    & skf18("9","4","5","7","6","2","1") = "8"
    & skf18("9","4","5","7","6","3","1") = "8"
    & skf18("9","4","5","7","6","4","1") = "8"
    & skf18("9","4","5","7","6","5","1") = "8"
    & skf18("9","4","5","7","6","6","1") = "8"
    & skf18("9","4","5","7","6","7","1") = "8"
    & skf18("9","4","5","7","6","8","1") = "8"
    & skf18("9","4","5","7","6","9","1") = "8"
    & skf18("9","4","5","7","6","10","1") = "9"
    & skf18("9","4","5","7","7","1","1") = "8"
    & skf18("9","4","5","7","7","2","1") = "8"
    & skf18("9","4","5","7","7","3","1") = "8"
    & skf18("9","4","5","7","7","4","1") = "8"
    & skf18("9","4","5","7","7","5","1") = "8"
    & skf18("9","4","5","7","7","6","1") = "8"
    & skf18("9","4","5","7","7","7","1") = "8"
    & skf18("9","4","5","7","7","8","1") = "8"
    & skf18("9","4","5","7","7","9","1") = "8"
    & skf18("9","4","5","7","7","10","1") = "9"
    & skf18("9","4","5","7","8","1","1") = "8"
    & skf18("9","4","5","7","8","2","1") = "8"
    & skf18("9","4","5","7","8","3","1") = "8"
    & skf18("9","4","5","7","8","4","1") = "8"
    & skf18("9","4","5","7","8","5","1") = "8"
    & skf18("9","4","5","7","8","6","1") = "8"
    & skf18("9","4","5","7","8","7","1") = "8"
    & skf18("9","4","5","7","8","8","1") = "8"
    & skf18("9","4","5","7","8","9","1") = "8"
    & skf18("9","4","5","7","8","10","1") = "9"
    & skf18("9","4","5","7","9","1","1") = "8"
    & skf18("9","4","5","7","9","2","1") = "8"
    & skf18("9","4","5","7","9","3","1") = "8"
    & skf18("9","4","5","7","9","4","1") = "8"
    & skf18("9","4","5","7","9","5","1") = "8"
    & skf18("9","4","5","7","9","6","1") = "8"
    & skf18("9","4","5","7","9","7","1") = "8"
    & skf18("9","4","5","7","9","8","1") = "8"
    & skf18("9","4","5","7","9","9","1") = "8"
    & skf18("9","4","5","7","9","10","1") = "9"
    & skf18("9","4","5","7","10","1","1") = "9"
    & skf18("9","4","5","7","10","2","1") = "9"
    & skf18("9","4","5","7","10","3","1") = "9"
    & skf18("9","4","5","7","10","4","1") = "9"
    & skf18("9","4","5","7","10","5","1") = "9"
    & skf18("9","4","5","7","10","6","1") = "9"
    & skf18("9","4","5","7","10","7","1") = "9"
    & skf18("9","4","5","7","10","8","1") = "9"
    & skf18("9","4","5","7","10","9","1") = "9"
    & skf18("9","4","5","7","10","10","1") = "9"
    & skf18("9","4","5","8","1","1","1") = "8"
    & skf18("9","4","5","8","1","2","1") = "8"
    & skf18("9","4","5","8","1","3","1") = "8"
    & skf18("9","4","5","8","1","4","1") = "8"
    & skf18("9","4","5","8","1","5","1") = "8"
    & skf18("9","4","5","8","1","6","1") = "8"
    & skf18("9","4","5","8","1","7","1") = "8"
    & skf18("9","4","5","8","1","8","1") = "8"
    & skf18("9","4","5","8","1","9","1") = "8"
    & skf18("9","4","5","8","1","10","1") = "9"
    & skf18("9","4","5","8","2","1","1") = "8"
    & skf18("9","4","5","8","2","2","1") = "8"
    & skf18("9","4","5","8","2","3","1") = "8"
    & skf18("9","4","5","8","2","4","1") = "8"
    & skf18("9","4","5","8","2","5","1") = "8"
    & skf18("9","4","5","8","2","6","1") = "8"
    & skf18("9","4","5","8","2","7","1") = "8"
    & skf18("9","4","5","8","2","8","1") = "8"
    & skf18("9","4","5","8","2","9","1") = "8"
    & skf18("9","4","5","8","2","10","1") = "9"
    & skf18("9","4","5","8","3","1","1") = "8"
    & skf18("9","4","5","8","3","2","1") = "8"
    & skf18("9","4","5","8","3","3","1") = "8"
    & skf18("9","4","5","8","3","4","1") = "8"
    & skf18("9","4","5","8","3","5","1") = "8"
    & skf18("9","4","5","8","3","6","1") = "8"
    & skf18("9","4","5","8","3","7","1") = "8"
    & skf18("9","4","5","8","3","8","1") = "8"
    & skf18("9","4","5","8","3","9","1") = "8"
    & skf18("9","4","5","8","3","10","1") = "9"
    & skf18("9","4","5","8","4","1","1") = "8"
    & skf18("9","4","5","8","4","2","1") = "8"
    & skf18("9","4","5","8","4","3","1") = "8"
    & skf18("9","4","5","8","4","4","1") = "8"
    & skf18("9","4","5","8","4","5","1") = "8"
    & skf18("9","4","5","8","4","6","1") = "8"
    & skf18("9","4","5","8","4","7","1") = "8"
    & skf18("9","4","5","8","4","8","1") = "8"
    & skf18("9","4","5","8","4","9","1") = "8"
    & skf18("9","4","5","8","4","10","1") = "9"
    & skf18("9","4","5","8","5","1","1") = "8"
    & skf18("9","4","5","8","5","2","1") = "8"
    & skf18("9","4","5","8","5","3","1") = "8"
    & skf18("9","4","5","8","5","4","1") = "8"
    & skf18("9","4","5","8","5","5","1") = "8"
    & skf18("9","4","5","8","5","6","1") = "8"
    & skf18("9","4","5","8","5","7","1") = "8"
    & skf18("9","4","5","8","5","8","1") = "8"
    & skf18("9","4","5","8","5","9","1") = "8"
    & skf18("9","4","5","8","5","10","1") = "9"
    & skf18("9","4","5","8","6","1","1") = "8"
    & skf18("9","4","5","8","6","2","1") = "8"
    & skf18("9","4","5","8","6","3","1") = "8"
    & skf18("9","4","5","8","6","4","1") = "8"
    & skf18("9","4","5","8","6","5","1") = "8"
    & skf18("9","4","5","8","6","6","1") = "8"
    & skf18("9","4","5","8","6","7","1") = "8"
    & skf18("9","4","5","8","6","8","1") = "8"
    & skf18("9","4","5","8","6","9","1") = "8"
    & skf18("9","4","5","8","6","10","1") = "9"
    & skf18("9","4","5","8","7","1","1") = "8"
    & skf18("9","4","5","8","7","2","1") = "8"
    & skf18("9","4","5","8","7","3","1") = "8"
    & skf18("9","4","5","8","7","4","1") = "8"
    & skf18("9","4","5","8","7","5","1") = "8"
    & skf18("9","4","5","8","7","6","1") = "8"
    & skf18("9","4","5","8","7","7","1") = "8"
    & skf18("9","4","5","8","7","8","1") = "8"
    & skf18("9","4","5","8","7","9","1") = "8"
    & skf18("9","4","5","8","7","10","1") = "9"
    & skf18("9","4","5","8","8","1","1") = "8"
    & skf18("9","4","5","8","8","2","1") = "8"
    & skf18("9","4","5","8","8","3","1") = "8"
    & skf18("9","4","5","8","8","4","1") = "8"
    & skf18("9","4","5","8","8","5","1") = "8"
    & skf18("9","4","5","8","8","6","1") = "8"
    & skf18("9","4","5","8","8","7","1") = "8"
    & skf18("9","4","5","8","8","8","1") = "8"
    & skf18("9","4","5","8","8","9","1") = "8"
    & skf18("9","4","5","8","8","10","1") = "9"
    & skf18("9","4","5","8","9","1","1") = "8"
    & skf18("9","4","5","8","9","2","1") = "8"
    & skf18("9","4","5","8","9","3","1") = "8"
    & skf18("9","4","5","8","9","4","1") = "8"
    & skf18("9","4","5","8","9","5","1") = "8"
    & skf18("9","4","5","8","9","6","1") = "8"
    & skf18("9","4","5","8","9","7","1") = "8"
    & skf18("9","4","5","8","9","8","1") = "8"
    & skf18("9","4","5","8","9","9","1") = "8"
    & skf18("9","4","5","8","9","10","1") = "9"
    & skf18("9","4","5","8","10","1","1") = "9"
    & skf18("9","4","5","8","10","2","1") = "9"
    & skf18("9","4","5","8","10","3","1") = "9"
    & skf18("9","4","5","8","10","4","1") = "9"
    & skf18("9","4","5","8","10","5","1") = "9"
    & skf18("9","4","5","8","10","6","1") = "9"
    & skf18("9","4","5","8","10","7","1") = "9"
    & skf18("9","4","5","8","10","8","1") = "9"
    & skf18("9","4","5","8","10","9","1") = "9"
    & skf18("9","4","5","8","10","10","1") = "9"
    & skf18("9","4","5","9","1","1","1") = "8"
    & skf18("9","4","5","9","1","2","1") = "8"
    & skf18("9","4","5","9","1","3","1") = "8"
    & skf18("9","4","5","9","1","4","1") = "8"
    & skf18("9","4","5","9","1","5","1") = "8"
    & skf18("9","4","5","9","1","6","1") = "8"
    & skf18("9","4","5","9","1","7","1") = "8"
    & skf18("9","4","5","9","1","8","1") = "8"
    & skf18("9","4","5","9","1","9","1") = "8"
    & skf18("9","4","5","9","1","10","1") = "9"
    & skf18("9","4","5","9","2","1","1") = "8"
    & skf18("9","4","5","9","2","2","1") = "8"
    & skf18("9","4","5","9","2","3","1") = "8"
    & skf18("9","4","5","9","2","4","1") = "8"
    & skf18("9","4","5","9","2","5","1") = "8"
    & skf18("9","4","5","9","2","6","1") = "8"
    & skf18("9","4","5","9","2","7","1") = "8"
    & skf18("9","4","5","9","2","8","1") = "8"
    & skf18("9","4","5","9","2","9","1") = "8"
    & skf18("9","4","5","9","2","10","1") = "9"
    & skf18("9","4","5","9","3","1","1") = "8"
    & skf18("9","4","5","9","3","2","1") = "8"
    & skf18("9","4","5","9","3","3","1") = "8"
    & skf18("9","4","5","9","3","4","1") = "8"
    & skf18("9","4","5","9","3","5","1") = "8"
    & skf18("9","4","5","9","3","6","1") = "8"
    & skf18("9","4","5","9","3","7","1") = "8"
    & skf18("9","4","5","9","3","8","1") = "8"
    & skf18("9","4","5","9","3","9","1") = "8"
    & skf18("9","4","5","9","3","10","1") = "9"
    & skf18("9","4","5","9","4","1","1") = "8"
    & skf18("9","4","5","9","4","2","1") = "8"
    & skf18("9","4","5","9","4","3","1") = "8"
    & skf18("9","4","5","9","4","4","1") = "8"
    & skf18("9","4","5","9","4","5","1") = "8"
    & skf18("9","4","5","9","4","6","1") = "8"
    & skf18("9","4","5","9","4","7","1") = "8"
    & skf18("9","4","5","9","4","8","1") = "8"
    & skf18("9","4","5","9","4","9","1") = "8"
    & skf18("9","4","5","9","4","10","1") = "9"
    & skf18("9","4","5","9","5","1","1") = "8"
    & skf18("9","4","5","9","5","2","1") = "8"
    & skf18("9","4","5","9","5","3","1") = "8"
    & skf18("9","4","5","9","5","4","1") = "8"
    & skf18("9","4","5","9","5","5","1") = "8"
    & skf18("9","4","5","9","5","6","1") = "8"
    & skf18("9","4","5","9","5","7","1") = "8"
    & skf18("9","4","5","9","5","8","1") = "8"
    & skf18("9","4","5","9","5","9","1") = "8"
    & skf18("9","4","5","9","5","10","1") = "9"
    & skf18("9","4","5","9","6","1","1") = "8"
    & skf18("9","4","5","9","6","2","1") = "8"
    & skf18("9","4","5","9","6","3","1") = "8"
    & skf18("9","4","5","9","6","4","1") = "8"
    & skf18("9","4","5","9","6","5","1") = "8"
    & skf18("9","4","5","9","6","6","1") = "8"
    & skf18("9","4","5","9","6","7","1") = "8"
    & skf18("9","4","5","9","6","8","1") = "8"
    & skf18("9","4","5","9","6","9","1") = "8"
    & skf18("9","4","5","9","6","10","1") = "9"
    & skf18("9","4","5","9","7","1","1") = "8"
    & skf18("9","4","5","9","7","2","1") = "8"
    & skf18("9","4","5","9","7","3","1") = "8"
    & skf18("9","4","5","9","7","4","1") = "8"
    & skf18("9","4","5","9","7","5","1") = "8"
    & skf18("9","4","5","9","7","6","1") = "8"
    & skf18("9","4","5","9","7","7","1") = "8"
    & skf18("9","4","5","9","7","8","1") = "8"
    & skf18("9","4","5","9","7","9","1") = "8"
    & skf18("9","4","5","9","7","10","1") = "9"
    & skf18("9","4","5","9","8","1","1") = "8"
    & skf18("9","4","5","9","8","2","1") = "8"
    & skf18("9","4","5","9","8","3","1") = "8"
    & skf18("9","4","5","9","8","4","1") = "8"
    & skf18("9","4","5","9","8","5","1") = "8"
    & skf18("9","4","5","9","8","6","1") = "8"
    & skf18("9","4","5","9","8","7","1") = "8"
    & skf18("9","4","5","9","8","8","1") = "8"
    & skf18("9","4","5","9","8","9","1") = "8"
    & skf18("9","4","5","9","8","10","1") = "9"
    & skf18("9","4","5","9","9","1","1") = "8"
    & skf18("9","4","5","9","9","2","1") = "8"
    & skf18("9","4","5","9","9","3","1") = "8"
    & skf18("9","4","5","9","9","4","1") = "8"
    & skf18("9","4","5","9","9","5","1") = "8"
    & skf18("9","4","5","9","9","6","1") = "8"
    & skf18("9","4","5","9","9","7","1") = "8"
    & skf18("9","4","5","9","9","8","1") = "8"
    & skf18("9","4","5","9","9","9","1") = "8"
    & skf18("9","4","5","9","9","10","1") = "9"
    & skf18("9","4","5","9","10","1","1") = "9"
    & skf18("9","4","5","9","10","2","1") = "9"
    & skf18("9","4","5","9","10","3","1") = "9"
    & skf18("9","4","5","9","10","4","1") = "9"
    & skf18("9","4","5","9","10","5","1") = "9"
    & skf18("9","4","5","9","10","6","1") = "9"
    & skf18("9","4","5","9","10","7","1") = "9"
    & skf18("9","4","5","9","10","8","1") = "9"
    & skf18("9","4","5","9","10","9","1") = "9"
    & skf18("9","4","5","9","10","10","1") = "9"
    & skf18("9","4","5","10","1","1","1") = "9"
    & skf18("9","4","5","10","1","2","1") = "9"
    & skf18("9","4","5","10","1","3","1") = "9"
    & skf18("9","4","5","10","1","4","1") = "9"
    & skf18("9","4","5","10","1","5","1") = "9"
    & skf18("9","4","5","10","1","6","1") = "9"
    & skf18("9","4","5","10","1","7","1") = "9"
    & skf18("9","4","5","10","1","8","1") = "9"
    & skf18("9","4","5","10","1","9","1") = "9"
    & skf18("9","4","5","10","1","10","1") = "9"
    & skf18("9","4","5","10","2","1","1") = "9"
    & skf18("9","4","5","10","2","2","1") = "9"
    & skf18("9","4","5","10","2","3","1") = "9"
    & skf18("9","4","5","10","2","4","1") = "9"
    & skf18("9","4","5","10","2","5","1") = "9"
    & skf18("9","4","5","10","2","6","1") = "9"
    & skf18("9","4","5","10","2","7","1") = "9"
    & skf18("9","4","5","10","2","8","1") = "9"
    & skf18("9","4","5","10","2","9","1") = "9"
    & skf18("9","4","5","10","2","10","1") = "9"
    & skf18("9","4","5","10","3","1","1") = "9"
    & skf18("9","4","5","10","3","2","1") = "9"
    & skf18("9","4","5","10","3","3","1") = "9"
    & skf18("9","4","5","10","3","4","1") = "9"
    & skf18("9","4","5","10","3","5","1") = "9"
    & skf18("9","4","5","10","3","6","1") = "9"
    & skf18("9","4","5","10","3","7","1") = "9"
    & skf18("9","4","5","10","3","8","1") = "9"
    & skf18("9","4","5","10","3","9","1") = "9"
    & skf18("9","4","5","10","3","10","1") = "9"
    & skf18("9","4","5","10","4","1","1") = "9"
    & skf18("9","4","5","10","4","2","1") = "9"
    & skf18("9","4","5","10","4","3","1") = "9"
    & skf18("9","4","5","10","4","4","1") = "9"
    & skf18("9","4","5","10","4","5","1") = "9"
    & skf18("9","4","5","10","4","6","1") = "9"
    & skf18("9","4","5","10","4","7","1") = "9"
    & skf18("9","4","5","10","4","8","1") = "9"
    & skf18("9","4","5","10","4","9","1") = "9"
    & skf18("9","4","5","10","4","10","1") = "9"
    & skf18("9","4","5","10","5","1","1") = "9"
    & skf18("9","4","5","10","5","2","1") = "9"
    & skf18("9","4","5","10","5","3","1") = "9"
    & skf18("9","4","5","10","5","4","1") = "9"
    & skf18("9","4","5","10","5","5","1") = "9"
    & skf18("9","4","5","10","5","6","1") = "9"
    & skf18("9","4","5","10","5","7","1") = "9"
    & skf18("9","4","5","10","5","8","1") = "9"
    & skf18("9","4","5","10","5","9","1") = "9"
    & skf18("9","4","5","10","5","10","1") = "9"
    & skf18("9","4","5","10","6","1","1") = "9"
    & skf18("9","4","5","10","6","2","1") = "9"
    & skf18("9","4","5","10","6","3","1") = "9"
    & skf18("9","4","5","10","6","4","1") = "9"
    & skf18("9","4","5","10","6","5","1") = "9"
    & skf18("9","4","5","10","6","6","1") = "9"
    & skf18("9","4","5","10","6","7","1") = "9"
    & skf18("9","4","5","10","6","8","1") = "9"
    & skf18("9","4","5","10","6","9","1") = "9"
    & skf18("9","4","5","10","6","10","1") = "9"
    & skf18("9","4","5","10","7","1","1") = "9"
    & skf18("9","4","5","10","7","2","1") = "9"
    & skf18("9","4","5","10","7","3","1") = "9"
    & skf18("9","4","5","10","7","4","1") = "9"
    & skf18("9","4","5","10","7","5","1") = "9"
    & skf18("9","4","5","10","7","6","1") = "9"
    & skf18("9","4","5","10","7","7","1") = "9"
    & skf18("9","4","5","10","7","8","1") = "9"
    & skf18("9","4","5","10","7","9","1") = "9"
    & skf18("9","4","5","10","7","10","1") = "9"
    & skf18("9","4","5","10","8","1","1") = "9"
    & skf18("9","4","5","10","8","2","1") = "9"
    & skf18("9","4","5","10","8","3","1") = "9"
    & skf18("9","4","5","10","8","4","1") = "9"
    & skf18("9","4","5","10","8","5","1") = "9"
    & skf18("9","4","5","10","8","6","1") = "9"
    & skf18("9","4","5","10","8","7","1") = "9"
    & skf18("9","4","5","10","8","8","1") = "9"
    & skf18("9","4","5","10","8","9","1") = "9"
    & skf18("9","4","5","10","8","10","1") = "9"
    & skf18("9","4","5","10","9","1","1") = "9"
    & skf18("9","4","5","10","9","2","1") = "9"
    & skf18("9","4","5","10","9","3","1") = "9"
    & skf18("9","4","5","10","9","4","1") = "9"
    & skf18("9","4","5","10","9","5","1") = "9"
    & skf18("9","4","5","10","9","6","1") = "9"
    & skf18("9","4","5","10","9","7","1") = "9"
    & skf18("9","4","5","10","9","8","1") = "9"
    & skf18("9","4","5","10","9","9","1") = "9"
    & skf18("9","4","5","10","9","10","1") = "9"
    & skf18("9","4","5","10","10","1","1") = "9"
    & skf18("9","4","5","10","10","2","1") = "9"
    & skf18("9","4","5","10","10","3","1") = "9"
    & skf18("9","4","5","10","10","4","1") = "9"
    & skf18("9","4","5","10","10","5","1") = "9"
    & skf18("9","4","5","10","10","6","1") = "9"
    & skf18("9","4","5","10","10","7","1") = "9"
    & skf18("9","4","5","10","10","8","1") = "9"
    & skf18("9","4","5","10","10","9","1") = "9"
    & skf18("9","4","5","10","10","10","1") = "9"
    & skf18("9","4","6","1","1","1","1") = "8"
    & skf18("9","4","6","1","1","2","1") = "8"
    & skf18("9","4","6","1","1","3","1") = "8"
    & skf18("9","4","6","1","1","4","1") = "8"
    & skf18("9","4","6","1","1","5","1") = "8"
    & skf18("9","4","6","1","1","6","1") = "8"
    & skf18("9","4","6","1","1","7","1") = "8"
    & skf18("9","4","6","1","1","8","1") = "8"
    & skf18("9","4","6","1","1","9","1") = "8"
    & skf18("9","4","6","1","1","10","1") = "9"
    & skf18("9","4","6","1","2","1","1") = "8"
    & skf18("9","4","6","1","2","2","1") = "8"
    & skf18("9","4","6","1","2","3","1") = "8"
    & skf18("9","4","6","1","2","4","1") = "8"
    & skf18("9","4","6","1","2","5","1") = "8"
    & skf18("9","4","6","1","2","6","1") = "8"
    & skf18("9","4","6","1","2","7","1") = "8"
    & skf18("9","4","6","1","2","8","1") = "8"
    & skf18("9","4","6","1","2","9","1") = "8"
    & skf18("9","4","6","1","2","10","1") = "9"
    & skf18("9","4","6","1","3","1","1") = "8"
    & skf18("9","4","6","1","3","2","1") = "8"
    & skf18("9","4","6","1","3","3","1") = "8"
    & skf18("9","4","6","1","3","4","1") = "8"
    & skf18("9","4","6","1","3","5","1") = "8"
    & skf18("9","4","6","1","3","6","1") = "8"
    & skf18("9","4","6","1","3","7","1") = "8"
    & skf18("9","4","6","1","3","8","1") = "8"
    & skf18("9","4","6","1","3","9","1") = "8"
    & skf18("9","4","6","1","3","10","1") = "9"
    & skf18("9","4","6","1","4","1","1") = "8"
    & skf18("9","4","6","1","4","2","1") = "8"
    & skf18("9","4","6","1","4","3","1") = "8"
    & skf18("9","4","6","1","4","4","1") = "8"
    & skf18("9","4","6","1","4","5","1") = "8"
    & skf18("9","4","6","1","4","6","1") = "8"
    & skf18("9","4","6","1","4","7","1") = "8"
    & skf18("9","4","6","1","4","8","1") = "8"
    & skf18("9","4","6","1","4","9","1") = "8"
    & skf18("9","4","6","1","4","10","1") = "9"
    & skf18("9","4","6","1","5","1","1") = "8"
    & skf18("9","4","6","1","5","2","1") = "8"
    & skf18("9","4","6","1","5","3","1") = "8"
    & skf18("9","4","6","1","5","4","1") = "8"
    & skf18("9","4","6","1","5","5","1") = "8"
    & skf18("9","4","6","1","5","6","1") = "8"
    & skf18("9","4","6","1","5","7","1") = "8"
    & skf18("9","4","6","1","5","8","1") = "8"
    & skf18("9","4","6","1","5","9","1") = "8"
    & skf18("9","4","6","1","5","10","1") = "9"
    & skf18("9","4","6","1","6","1","1") = "8"
    & skf18("9","4","6","1","6","2","1") = "8"
    & skf18("9","4","6","1","6","3","1") = "8"
    & skf18("9","4","6","1","6","4","1") = "8"
    & skf18("9","4","6","1","6","5","1") = "8"
    & skf18("9","4","6","1","6","6","1") = "8"
    & skf18("9","4","6","1","6","7","1") = "8"
    & skf18("9","4","6","1","6","8","1") = "8"
    & skf18("9","4","6","1","6","9","1") = "8"
    & skf18("9","4","6","1","6","10","1") = "9"
    & skf18("9","4","6","1","7","1","1") = "8"
    & skf18("9","4","6","1","7","2","1") = "8"
    & skf18("9","4","6","1","7","3","1") = "8"
    & skf18("9","4","6","1","7","4","1") = "8"
    & skf18("9","4","6","1","7","5","1") = "8"
    & skf18("9","4","6","1","7","6","1") = "8"
    & skf18("9","4","6","1","7","7","1") = "8"
    & skf18("9","4","6","1","7","8","1") = "8"
    & skf18("9","4","6","1","7","9","1") = "8"
    & skf18("9","4","6","1","7","10","1") = "9"
    & skf18("9","4","6","1","8","1","1") = "8"
    & skf18("9","4","6","1","8","2","1") = "8"
    & skf18("9","4","6","1","8","3","1") = "8"
    & skf18("9","4","6","1","8","4","1") = "8"
    & skf18("9","4","6","1","8","5","1") = "8"
    & skf18("9","4","6","1","8","6","1") = "8"
    & skf18("9","4","6","1","8","7","1") = "8"
    & skf18("9","4","6","1","8","8","1") = "8"
    & skf18("9","4","6","1","8","9","1") = "8"
    & skf18("9","4","6","1","8","10","1") = "9"
    & skf18("9","4","6","1","9","1","1") = "8"
    & skf18("9","4","6","1","9","2","1") = "8"
    & skf18("9","4","6","1","9","3","1") = "8"
    & skf18("9","4","6","1","9","4","1") = "8"
    & skf18("9","4","6","1","9","5","1") = "8"
    & skf18("9","4","6","1","9","6","1") = "8"
    & skf18("9","4","6","1","9","7","1") = "8"
    & skf18("9","4","6","1","9","8","1") = "8"
    & skf18("9","4","6","1","9","9","1") = "8"
    & skf18("9","4","6","1","9","10","1") = "9"
    & skf18("9","4","6","1","10","1","1") = "9"
    & skf18("9","4","6","1","10","2","1") = "9"
    & skf18("9","4","6","1","10","3","1") = "9"
    & skf18("9","4","6","1","10","4","1") = "9"
    & skf18("9","4","6","1","10","5","1") = "9"
    & skf18("9","4","6","1","10","6","1") = "9"
    & skf18("9","4","6","1","10","7","1") = "9"
    & skf18("9","4","6","1","10","8","1") = "9"
    & skf18("9","4","6","1","10","9","1") = "9"
    & skf18("9","4","6","1","10","10","1") = "9"
    & skf18("9","4","6","2","1","1","1") = "8"
    & skf18("9","4","6","2","1","2","1") = "8"
    & skf18("9","4","6","2","1","3","1") = "8"
    & skf18("9","4","6","2","1","4","1") = "8"
    & skf18("9","4","6","2","1","5","1") = "8"
    & skf18("9","4","6","2","1","6","1") = "8"
    & skf18("9","4","6","2","1","7","1") = "8"
    & skf18("9","4","6","2","1","8","1") = "8"
    & skf18("9","4","6","2","1","9","1") = "8"
    & skf18("9","4","6","2","1","10","1") = "9"
    & skf18("9","4","6","2","2","1","1") = "8"
    & skf18("9","4","6","2","2","2","1") = "8"
    & skf18("9","4","6","2","2","3","1") = "8"
    & skf18("9","4","6","2","2","4","1") = "8"
    & skf18("9","4","6","2","2","5","1") = "8"
    & skf18("9","4","6","2","2","6","1") = "8"
    & skf18("9","4","6","2","2","7","1") = "8"
    & skf18("9","4","6","2","2","8","1") = "8"
    & skf18("9","4","6","2","2","9","1") = "8"
    & skf18("9","4","6","2","2","10","1") = "9"
    & skf18("9","4","6","2","3","1","1") = "8"
    & skf18("9","4","6","2","3","2","1") = "8"
    & skf18("9","4","6","2","3","3","1") = "8"
    & skf18("9","4","6","2","3","4","1") = "8"
    & skf18("9","4","6","2","3","5","1") = "8"
    & skf18("9","4","6","2","3","6","1") = "8"
    & skf18("9","4","6","2","3","7","1") = "8"
    & skf18("9","4","6","2","3","8","1") = "8"
    & skf18("9","4","6","2","3","9","1") = "8"
    & skf18("9","4","6","2","3","10","1") = "9"
    & skf18("9","4","6","2","4","1","1") = "8"
    & skf18("9","4","6","2","4","2","1") = "8"
    & skf18("9","4","6","2","4","3","1") = "8"
    & skf18("9","4","6","2","4","4","1") = "8"
    & skf18("9","4","6","2","4","5","1") = "8"
    & skf18("9","4","6","2","4","6","1") = "8"
    & skf18("9","4","6","2","4","7","1") = "8"
    & skf18("9","4","6","2","4","8","1") = "8"
    & skf18("9","4","6","2","4","9","1") = "8"
    & skf18("9","4","6","2","4","10","1") = "9"
    & skf18("9","4","6","2","5","1","1") = "8"
    & skf18("9","4","6","2","5","2","1") = "8"
    & skf18("9","4","6","2","5","3","1") = "8"
    & skf18("9","4","6","2","5","4","1") = "8"
    & skf18("9","4","6","2","5","5","1") = "8"
    & skf18("9","4","6","2","5","6","1") = "8"
    & skf18("9","4","6","2","5","7","1") = "8"
    & skf18("9","4","6","2","5","8","1") = "8"
    & skf18("9","4","6","2","5","9","1") = "8"
    & skf18("9","4","6","2","5","10","1") = "9"
    & skf18("9","4","6","2","6","1","1") = "8"
    & skf18("9","4","6","2","6","2","1") = "8"
    & skf18("9","4","6","2","6","3","1") = "8"
    & skf18("9","4","6","2","6","4","1") = "8"
    & skf18("9","4","6","2","6","5","1") = "8"
    & skf18("9","4","6","2","6","6","1") = "8"
    & skf18("9","4","6","2","6","7","1") = "8"
    & skf18("9","4","6","2","6","8","1") = "8"
    & skf18("9","4","6","2","6","9","1") = "8"
    & skf18("9","4","6","2","6","10","1") = "9"
    & skf18("9","4","6","2","7","1","1") = "8"
    & skf18("9","4","6","2","7","2","1") = "8"
    & skf18("9","4","6","2","7","3","1") = "8"
    & skf18("9","4","6","2","7","4","1") = "8"
    & skf18("9","4","6","2","7","5","1") = "8"
    & skf18("9","4","6","2","7","6","1") = "8"
    & skf18("9","4","6","2","7","7","1") = "8"
    & skf18("9","4","6","2","7","8","1") = "8"
    & skf18("9","4","6","2","7","9","1") = "8"
    & skf18("9","4","6","2","7","10","1") = "9"
    & skf18("9","4","6","2","8","1","1") = "8"
    & skf18("9","4","6","2","8","2","1") = "8"
    & skf18("9","4","6","2","8","3","1") = "8"
    & skf18("9","4","6","2","8","4","1") = "8"
    & skf18("9","4","6","2","8","5","1") = "8"
    & skf18("9","4","6","2","8","6","1") = "8"
    & skf18("9","4","6","2","8","7","1") = "8"
    & skf18("9","4","6","2","8","8","1") = "8"
    & skf18("9","4","6","2","8","9","1") = "8"
    & skf18("9","4","6","2","8","10","1") = "9"
    & skf18("9","4","6","2","9","1","1") = "8"
    & skf18("9","4","6","2","9","2","1") = "8"
    & skf18("9","4","6","2","9","3","1") = "8"
    & skf18("9","4","6","2","9","4","1") = "8"
    & skf18("9","4","6","2","9","5","1") = "8"
    & skf18("9","4","6","2","9","6","1") = "8"
    & skf18("9","4","6","2","9","7","1") = "8"
    & skf18("9","4","6","2","9","8","1") = "8"
    & skf18("9","4","6","2","9","9","1") = "8"
    & skf18("9","4","6","2","9","10","1") = "9"
    & skf18("9","4","6","2","10","1","1") = "9"
    & skf18("9","4","6","2","10","2","1") = "9"
    & skf18("9","4","6","2","10","3","1") = "9"
    & skf18("9","4","6","2","10","4","1") = "9"
    & skf18("9","4","6","2","10","5","1") = "9"
    & skf18("9","4","6","2","10","6","1") = "9"
    & skf18("9","4","6","2","10","7","1") = "9"
    & skf18("9","4","6","2","10","8","1") = "9"
    & skf18("9","4","6","2","10","9","1") = "9"
    & skf18("9","4","6","2","10","10","1") = "9"
    & skf18("9","4","6","3","1","1","1") = "8"
    & skf18("9","4","6","3","1","2","1") = "8"
    & skf18("9","4","6","3","1","3","1") = "8"
    & skf18("9","4","6","3","1","4","1") = "8"
    & skf18("9","4","6","3","1","5","1") = "8"
    & skf18("9","4","6","3","1","6","1") = "8"
    & skf18("9","4","6","3","1","7","1") = "8"
    & skf18("9","4","6","3","1","8","1") = "8"
    & skf18("9","4","6","3","1","9","1") = "8"
    & skf18("9","4","6","3","1","10","1") = "9"
    & skf18("9","4","6","3","2","1","1") = "8"
    & skf18("9","4","6","3","2","2","1") = "8"
    & skf18("9","4","6","3","2","3","1") = "8"
    & skf18("9","4","6","3","2","4","1") = "8"
    & skf18("9","4","6","3","2","5","1") = "8"
    & skf18("9","4","6","3","2","6","1") = "8"
    & skf18("9","4","6","3","2","7","1") = "8"
    & skf18("9","4","6","3","2","8","1") = "8"
    & skf18("9","4","6","3","2","9","1") = "8"
    & skf18("9","4","6","3","2","10","1") = "9"
    & skf18("9","4","6","3","3","1","1") = "8"
    & skf18("9","4","6","3","3","2","1") = "8"
    & skf18("9","4","6","3","3","3","1") = "8"
    & skf18("9","4","6","3","3","4","1") = "8"
    & skf18("9","4","6","3","3","5","1") = "8"
    & skf18("9","4","6","3","3","6","1") = "8"
    & skf18("9","4","6","3","3","7","1") = "8"
    & skf18("9","4","6","3","3","8","1") = "8"
    & skf18("9","4","6","3","3","9","1") = "8"
    & skf18("9","4","6","3","3","10","1") = "9"
    & skf18("9","4","6","3","4","1","1") = "8"
    & skf18("9","4","6","3","4","2","1") = "8"
    & skf18("9","4","6","3","4","3","1") = "8"
    & skf18("9","4","6","3","4","4","1") = "8"
    & skf18("9","4","6","3","4","5","1") = "8"
    & skf18("9","4","6","3","4","6","1") = "8"
    & skf18("9","4","6","3","4","7","1") = "8"
    & skf18("9","4","6","3","4","8","1") = "8"
    & skf18("9","4","6","3","4","9","1") = "8"
    & skf18("9","4","6","3","4","10","1") = "9"
    & skf18("9","4","6","3","5","1","1") = "8"
    & skf18("9","4","6","3","5","2","1") = "8"
    & skf18("9","4","6","3","5","3","1") = "8"
    & skf18("9","4","6","3","5","4","1") = "8"
    & skf18("9","4","6","3","5","5","1") = "8"
    & skf18("9","4","6","3","5","6","1") = "8"
    & skf18("9","4","6","3","5","7","1") = "8"
    & skf18("9","4","6","3","5","8","1") = "8"
    & skf18("9","4","6","3","5","9","1") = "8"
    & skf18("9","4","6","3","5","10","1") = "9"
    & skf18("9","4","6","3","6","1","1") = "8"
    & skf18("9","4","6","3","6","2","1") = "8"
    & skf18("9","4","6","3","6","3","1") = "8"
    & skf18("9","4","6","3","6","4","1") = "8"
    & skf18("9","4","6","3","6","5","1") = "8"
    & skf18("9","4","6","3","6","6","1") = "8"
    & skf18("9","4","6","3","6","7","1") = "8"
    & skf18("9","4","6","3","6","8","1") = "8"
    & skf18("9","4","6","3","6","9","1") = "8"
    & skf18("9","4","6","3","6","10","1") = "9"
    & skf18("9","4","6","3","7","1","1") = "8"
    & skf18("9","4","6","3","7","2","1") = "8"
    & skf18("9","4","6","3","7","3","1") = "8"
    & skf18("9","4","6","3","7","4","1") = "8"
    & skf18("9","4","6","3","7","5","1") = "8"
    & skf18("9","4","6","3","7","6","1") = "8"
    & skf18("9","4","6","3","7","7","1") = "8"
    & skf18("9","4","6","3","7","8","1") = "8"
    & skf18("9","4","6","3","7","9","1") = "8"
    & skf18("9","4","6","3","7","10","1") = "9"
    & skf18("9","4","6","3","8","1","1") = "8"
    & skf18("9","4","6","3","8","2","1") = "8"
    & skf18("9","4","6","3","8","3","1") = "8"
    & skf18("9","4","6","3","8","4","1") = "8"
    & skf18("9","4","6","3","8","5","1") = "8"
    & skf18("9","4","6","3","8","6","1") = "8"
    & skf18("9","4","6","3","8","7","1") = "8"
    & skf18("9","4","6","3","8","8","1") = "8"
    & skf18("9","4","6","3","8","9","1") = "8"
    & skf18("9","4","6","3","8","10","1") = "9"
    & skf18("9","4","6","3","9","1","1") = "8"
    & skf18("9","4","6","3","9","2","1") = "8"
    & skf18("9","4","6","3","9","3","1") = "8"
    & skf18("9","4","6","3","9","4","1") = "8"
    & skf18("9","4","6","3","9","5","1") = "8"
    & skf18("9","4","6","3","9","6","1") = "8"
    & skf18("9","4","6","3","9","7","1") = "8"
    & skf18("9","4","6","3","9","8","1") = "8"
    & skf18("9","4","6","3","9","9","1") = "8"
    & skf18("9","4","6","3","9","10","1") = "9"
    & skf18("9","4","6","3","10","1","1") = "9"
    & skf18("9","4","6","3","10","2","1") = "9"
    & skf18("9","4","6","3","10","3","1") = "9"
    & skf18("9","4","6","3","10","4","1") = "9"
    & skf18("9","4","6","3","10","5","1") = "9"
    & skf18("9","4","6","3","10","6","1") = "9"
    & skf18("9","4","6","3","10","7","1") = "9"
    & skf18("9","4","6","3","10","8","1") = "9"
    & skf18("9","4","6","3","10","9","1") = "9"
    & skf18("9","4","6","3","10","10","1") = "9"
    & skf18("9","4","6","4","1","1","1") = "8"
    & skf18("9","4","6","4","1","2","1") = "8"
    & skf18("9","4","6","4","1","3","1") = "8"
    & skf18("9","4","6","4","1","4","1") = "8"
    & skf18("9","4","6","4","1","5","1") = "8"
    & skf18("9","4","6","4","1","6","1") = "8"
    & skf18("9","4","6","4","1","7","1") = "8"
    & skf18("9","4","6","4","1","8","1") = "8"
    & skf18("9","4","6","4","1","9","1") = "8"
    & skf18("9","4","6","4","1","10","1") = "9"
    & skf18("9","4","6","4","2","1","1") = "8"
    & skf18("9","4","6","4","2","2","1") = "8"
    & skf18("9","4","6","4","2","3","1") = "8"
    & skf18("9","4","6","4","2","4","1") = "8"
    & skf18("9","4","6","4","2","5","1") = "8"
    & skf18("9","4","6","4","2","6","1") = "8"
    & skf18("9","4","6","4","2","7","1") = "8"
    & skf18("9","4","6","4","2","8","1") = "8"
    & skf18("9","4","6","4","2","9","1") = "8"
    & skf18("9","4","6","4","2","10","1") = "9"
    & skf18("9","4","6","4","3","1","1") = "8"
    & skf18("9","4","6","4","3","2","1") = "8"
    & skf18("9","4","6","4","3","3","1") = "8"
    & skf18("9","4","6","4","3","4","1") = "8"
    & skf18("9","4","6","4","3","5","1") = "8"
    & skf18("9","4","6","4","3","6","1") = "8"
    & skf18("9","4","6","4","3","7","1") = "8"
    & skf18("9","4","6","4","3","8","1") = "8"
    & skf18("9","4","6","4","3","9","1") = "8"
    & skf18("9","4","6","4","3","10","1") = "9"
    & skf18("9","4","6","4","4","1","1") = "8"
    & skf18("9","4","6","4","4","2","1") = "8"
    & skf18("9","4","6","4","4","3","1") = "8"
    & skf18("9","4","6","4","4","4","1") = "8"
    & skf18("9","4","6","4","4","5","1") = "8"
    & skf18("9","4","6","4","4","6","1") = "8"
    & skf18("9","4","6","4","4","7","1") = "8"
    & skf18("9","4","6","4","4","8","1") = "8"
    & skf18("9","4","6","4","4","9","1") = "8"
    & skf18("9","4","6","4","4","10","1") = "9"
    & skf18("9","4","6","4","5","1","1") = "8"
    & skf18("9","4","6","4","5","2","1") = "8"
    & skf18("9","4","6","4","5","3","1") = "8"
    & skf18("9","4","6","4","5","4","1") = "8"
    & skf18("9","4","6","4","5","5","1") = "8"
    & skf18("9","4","6","4","5","6","1") = "8"
    & skf18("9","4","6","4","5","7","1") = "8"
    & skf18("9","4","6","4","5","8","1") = "8"
    & skf18("9","4","6","4","5","9","1") = "8"
    & skf18("9","4","6","4","5","10","1") = "9"
    & skf18("9","4","6","4","6","1","1") = "8"
    & skf18("9","4","6","4","6","2","1") = "8"
    & skf18("9","4","6","4","6","3","1") = "8"
    & skf18("9","4","6","4","6","4","1") = "8"
    & skf18("9","4","6","4","6","5","1") = "8"
    & skf18("9","4","6","4","6","6","1") = "8"
    & skf18("9","4","6","4","6","7","1") = "8"
    & skf18("9","4","6","4","6","8","1") = "8"
    & skf18("9","4","6","4","6","9","1") = "8"
    & skf18("9","4","6","4","6","10","1") = "9"
    & skf18("9","4","6","4","7","1","1") = "8"
    & skf18("9","4","6","4","7","2","1") = "8"
    & skf18("9","4","6","4","7","3","1") = "8"
    & skf18("9","4","6","4","7","4","1") = "8"
    & skf18("9","4","6","4","7","5","1") = "8"
    & skf18("9","4","6","4","7","6","1") = "8"
    & skf18("9","4","6","4","7","7","1") = "8"
    & skf18("9","4","6","4","7","8","1") = "8"
    & skf18("9","4","6","4","7","9","1") = "8"
    & skf18("9","4","6","4","7","10","1") = "9"
    & skf18("9","4","6","4","8","1","1") = "8"
    & skf18("9","4","6","4","8","2","1") = "8"
    & skf18("9","4","6","4","8","3","1") = "8"
    & skf18("9","4","6","4","8","4","1") = "8"
    & skf18("9","4","6","4","8","5","1") = "8"
    & skf18("9","4","6","4","8","6","1") = "8"
    & skf18("9","4","6","4","8","7","1") = "8"
    & skf18("9","4","6","4","8","8","1") = "8"
    & skf18("9","4","6","4","8","9","1") = "8"
    & skf18("9","4","6","4","8","10","1") = "9"
    & skf18("9","4","6","4","9","1","1") = "8"
    & skf18("9","4","6","4","9","2","1") = "8"
    & skf18("9","4","6","4","9","3","1") = "8"
    & skf18("9","4","6","4","9","4","1") = "8"
    & skf18("9","4","6","4","9","5","1") = "8"
    & skf18("9","4","6","4","9","6","1") = "8"
    & skf18("9","4","6","4","9","7","1") = "8"
    & skf18("9","4","6","4","9","8","1") = "8"
    & skf18("9","4","6","4","9","9","1") = "8"
    & skf18("9","4","6","4","9","10","1") = "9"
    & skf18("9","4","6","4","10","1","1") = "9"
    & skf18("9","4","6","4","10","2","1") = "9"
    & skf18("9","4","6","4","10","3","1") = "9"
    & skf18("9","4","6","4","10","4","1") = "9"
    & skf18("9","4","6","4","10","5","1") = "9"
    & skf18("9","4","6","4","10","6","1") = "9"
    & skf18("9","4","6","4","10","7","1") = "9"
    & skf18("9","4","6","4","10","8","1") = "9"
    & skf18("9","4","6","4","10","9","1") = "9"
    & skf18("9","4","6","4","10","10","1") = "9"
    & skf18("9","4","6","5","1","1","1") = "8"
    & skf18("9","4","6","5","1","2","1") = "8"
    & skf18("9","4","6","5","1","3","1") = "8"
    & skf18("9","4","6","5","1","4","1") = "8"
    & skf18("9","4","6","5","1","5","1") = "8"
    & skf18("9","4","6","5","1","6","1") = "8"
    & skf18("9","4","6","5","1","7","1") = "8"
    & skf18("9","4","6","5","1","8","1") = "8"
    & skf18("9","4","6","5","1","9","1") = "8"
    & skf18("9","4","6","5","1","10","1") = "9"
    & skf18("9","4","6","5","2","1","1") = "8"
    & skf18("9","4","6","5","2","2","1") = "8"
    & skf18("9","4","6","5","2","3","1") = "8"
    & skf18("9","4","6","5","2","4","1") = "8"
    & skf18("9","4","6","5","2","5","1") = "8"
    & skf18("9","4","6","5","2","6","1") = "8"
    & skf18("9","4","6","5","2","7","1") = "8"
    & skf18("9","4","6","5","2","8","1") = "8"
    & skf18("9","4","6","5","2","9","1") = "8"
    & skf18("9","4","6","5","2","10","1") = "9"
    & skf18("9","4","6","5","3","1","1") = "8"
    & skf18("9","4","6","5","3","2","1") = "8"
    & skf18("9","4","6","5","3","3","1") = "8"
    & skf18("9","4","6","5","3","4","1") = "8"
    & skf18("9","4","6","5","3","5","1") = "8"
    & skf18("9","4","6","5","3","6","1") = "8"
    & skf18("9","4","6","5","3","7","1") = "8"
    & skf18("9","4","6","5","3","8","1") = "8"
    & skf18("9","4","6","5","3","9","1") = "8"
    & skf18("9","4","6","5","3","10","1") = "9"
    & skf18("9","4","6","5","4","1","1") = "8"
    & skf18("9","4","6","5","4","2","1") = "8"
    & skf18("9","4","6","5","4","3","1") = "8"
    & skf18("9","4","6","5","4","4","1") = "8"
    & skf18("9","4","6","5","4","5","1") = "8"
    & skf18("9","4","6","5","4","6","1") = "8"
    & skf18("9","4","6","5","4","7","1") = "8"
    & skf18("9","4","6","5","4","8","1") = "8"
    & skf18("9","4","6","5","4","9","1") = "8"
    & skf18("9","4","6","5","4","10","1") = "9"
    & skf18("9","4","6","5","5","1","1") = "8"
    & skf18("9","4","6","5","5","2","1") = "8"
    & skf18("9","4","6","5","5","3","1") = "8"
    & skf18("9","4","6","5","5","4","1") = "8"
    & skf18("9","4","6","5","5","5","1") = "8"
    & skf18("9","4","6","5","5","6","1") = "8"
    & skf18("9","4","6","5","5","7","1") = "8"
    & skf18("9","4","6","5","5","8","1") = "8"
    & skf18("9","4","6","5","5","9","1") = "8"
    & skf18("9","4","6","5","5","10","1") = "9"
    & skf18("9","4","6","5","6","1","1") = "8"
    & skf18("9","4","6","5","6","2","1") = "8"
    & skf18("9","4","6","5","6","3","1") = "8"
    & skf18("9","4","6","5","6","4","1") = "8"
    & skf18("9","4","6","5","6","5","1") = "8"
    & skf18("9","4","6","5","6","6","1") = "8"
    & skf18("9","4","6","5","6","7","1") = "8"
    & skf18("9","4","6","5","6","8","1") = "8"
    & skf18("9","4","6","5","6","9","1") = "8"
    & skf18("9","4","6","5","6","10","1") = "9"
    & skf18("9","4","6","5","7","1","1") = "8"
    & skf18("9","4","6","5","7","2","1") = "8"
    & skf18("9","4","6","5","7","3","1") = "8"
    & skf18("9","4","6","5","7","4","1") = "8"
    & skf18("9","4","6","5","7","5","1") = "8"
    & skf18("9","4","6","5","7","6","1") = "8"
    & skf18("9","4","6","5","7","7","1") = "8"
    & skf18("9","4","6","5","7","8","1") = "8"
    & skf18("9","4","6","5","7","9","1") = "8"
    & skf18("9","4","6","5","7","10","1") = "9"
    & skf18("9","4","6","5","8","1","1") = "8"
    & skf18("9","4","6","5","8","2","1") = "8"
    & skf18("9","4","6","5","8","3","1") = "8"
    & skf18("9","4","6","5","8","4","1") = "8"
    & skf18("9","4","6","5","8","5","1") = "8"
    & skf18("9","4","6","5","8","6","1") = "8"
    & skf18("9","4","6","5","8","7","1") = "8"
    & skf18("9","4","6","5","8","8","1") = "8"
    & skf18("9","4","6","5","8","9","1") = "8"
    & skf18("9","4","6","5","8","10","1") = "9"
    & skf18("9","4","6","5","9","1","1") = "8"
    & skf18("9","4","6","5","9","2","1") = "8"
    & skf18("9","4","6","5","9","3","1") = "8"
    & skf18("9","4","6","5","9","4","1") = "8"
    & skf18("9","4","6","5","9","5","1") = "8"
    & skf18("9","4","6","5","9","6","1") = "8"
    & skf18("9","4","6","5","9","7","1") = "8"
    & skf18("9","4","6","5","9","8","1") = "8"
    & skf18("9","4","6","5","9","9","1") = "8"
    & skf18("9","4","6","5","9","10","1") = "9"
    & skf18("9","4","6","5","10","1","1") = "9"
    & skf18("9","4","6","5","10","2","1") = "9"
    & skf18("9","4","6","5","10","3","1") = "9"
    & skf18("9","4","6","5","10","4","1") = "9"
    & skf18("9","4","6","5","10","5","1") = "9"
    & skf18("9","4","6","5","10","6","1") = "9"
    & skf18("9","4","6","5","10","7","1") = "9"
    & skf18("9","4","6","5","10","8","1") = "9"
    & skf18("9","4","6","5","10","9","1") = "9"
    & skf18("9","4","6","5","10","10","1") = "9"
    & skf18("9","4","6","6","1","1","1") = "8"
    & skf18("9","4","6","6","1","2","1") = "8"
    & skf18("9","4","6","6","1","3","1") = "8"
    & skf18("9","4","6","6","1","4","1") = "8"
    & skf18("9","4","6","6","1","5","1") = "8"
    & skf18("9","4","6","6","1","6","1") = "8"
    & skf18("9","4","6","6","1","7","1") = "8"
    & skf18("9","4","6","6","1","8","1") = "8"
    & skf18("9","4","6","6","1","9","1") = "8"
    & skf18("9","4","6","6","1","10","1") = "9"
    & skf18("9","4","6","6","2","1","1") = "8"
    & skf18("9","4","6","6","2","2","1") = "8"
    & skf18("9","4","6","6","2","3","1") = "8"
    & skf18("9","4","6","6","2","4","1") = "8"
    & skf18("9","4","6","6","2","5","1") = "8"
    & skf18("9","4","6","6","2","6","1") = "8"
    & skf18("9","4","6","6","2","7","1") = "8"
    & skf18("9","4","6","6","2","8","1") = "8"
    & skf18("9","4","6","6","2","9","1") = "8"
    & skf18("9","4","6","6","2","10","1") = "9"
    & skf18("9","4","6","6","3","1","1") = "8"
    & skf18("9","4","6","6","3","2","1") = "8"
    & skf18("9","4","6","6","3","3","1") = "8"
    & skf18("9","4","6","6","3","4","1") = "8"
    & skf18("9","4","6","6","3","5","1") = "8"
    & skf18("9","4","6","6","3","6","1") = "8"
    & skf18("9","4","6","6","3","7","1") = "8"
    & skf18("9","4","6","6","3","8","1") = "8"
    & skf18("9","4","6","6","3","9","1") = "8"
    & skf18("9","4","6","6","3","10","1") = "9"
    & skf18("9","4","6","6","4","1","1") = "8"
    & skf18("9","4","6","6","4","2","1") = "8"
    & skf18("9","4","6","6","4","3","1") = "8"
    & skf18("9","4","6","6","4","4","1") = "8"
    & skf18("9","4","6","6","4","5","1") = "8"
    & skf18("9","4","6","6","4","6","1") = "8"
    & skf18("9","4","6","6","4","7","1") = "8"
    & skf18("9","4","6","6","4","8","1") = "8"
    & skf18("9","4","6","6","4","9","1") = "8"
    & skf18("9","4","6","6","4","10","1") = "9"
    & skf18("9","4","6","6","5","1","1") = "8"
    & skf18("9","4","6","6","5","2","1") = "8"
    & skf18("9","4","6","6","5","3","1") = "8"
    & skf18("9","4","6","6","5","4","1") = "8"
    & skf18("9","4","6","6","5","5","1") = "8"
    & skf18("9","4","6","6","5","6","1") = "8"
    & skf18("9","4","6","6","5","7","1") = "8"
    & skf18("9","4","6","6","5","8","1") = "8"
    & skf18("9","4","6","6","5","9","1") = "8"
    & skf18("9","4","6","6","5","10","1") = "9"
    & skf18("9","4","6","6","6","1","1") = "8"
    & skf18("9","4","6","6","6","2","1") = "8"
    & skf18("9","4","6","6","6","3","1") = "8"
    & skf18("9","4","6","6","6","4","1") = "8"
    & skf18("9","4","6","6","6","5","1") = "8"
    & skf18("9","4","6","6","6","6","1") = "8"
    & skf18("9","4","6","6","6","7","1") = "8"
    & skf18("9","4","6","6","6","8","1") = "8"
    & skf18("9","4","6","6","6","9","1") = "8"
    & skf18("9","4","6","6","6","10","1") = "9"
    & skf18("9","4","6","6","7","1","1") = "8"
    & skf18("9","4","6","6","7","2","1") = "8"
    & skf18("9","4","6","6","7","3","1") = "8"
    & skf18("9","4","6","6","7","4","1") = "8"
    & skf18("9","4","6","6","7","5","1") = "8"
    & skf18("9","4","6","6","7","6","1") = "8"
    & skf18("9","4","6","6","7","7","1") = "8"
    & skf18("9","4","6","6","7","8","1") = "8"
    & skf18("9","4","6","6","7","9","1") = "8"
    & skf18("9","4","6","6","7","10","1") = "9"
    & skf18("9","4","6","6","8","1","1") = "8"
    & skf18("9","4","6","6","8","2","1") = "8"
    & skf18("9","4","6","6","8","3","1") = "8"
    & skf18("9","4","6","6","8","4","1") = "8"
    & skf18("9","4","6","6","8","5","1") = "8"
    & skf18("9","4","6","6","8","6","1") = "8"
    & skf18("9","4","6","6","8","7","1") = "8"
    & skf18("9","4","6","6","8","8","1") = "8"
    & skf18("9","4","6","6","8","9","1") = "8"
    & skf18("9","4","6","6","8","10","1") = "9"
    & skf18("9","4","6","6","9","1","1") = "8"
    & skf18("9","4","6","6","9","2","1") = "8"
    & skf18("9","4","6","6","9","3","1") = "8"
    & skf18("9","4","6","6","9","4","1") = "8"
    & skf18("9","4","6","6","9","5","1") = "8"
    & skf18("9","4","6","6","9","6","1") = "8"
    & skf18("9","4","6","6","9","7","1") = "8"
    & skf18("9","4","6","6","9","8","1") = "8"
    & skf18("9","4","6","6","9","9","1") = "8"
    & skf18("9","4","6","6","9","10","1") = "9"
    & skf18("9","4","6","6","10","1","1") = "9"
    & skf18("9","4","6","6","10","2","1") = "9"
    & skf18("9","4","6","6","10","3","1") = "9"
    & skf18("9","4","6","6","10","4","1") = "9"
    & skf18("9","4","6","6","10","5","1") = "9"
    & skf18("9","4","6","6","10","6","1") = "9"
    & skf18("9","4","6","6","10","7","1") = "9"
    & skf18("9","4","6","6","10","8","1") = "9"
    & skf18("9","4","6","6","10","9","1") = "9"
    & skf18("9","4","6","6","10","10","1") = "9"
    & skf18("9","4","6","7","1","1","1") = "8"
    & skf18("9","4","6","7","1","2","1") = "8"
    & skf18("9","4","6","7","1","3","1") = "8"
    & skf18("9","4","6","7","1","4","1") = "8"
    & skf18("9","4","6","7","1","5","1") = "8"
    & skf18("9","4","6","7","1","6","1") = "8"
    & skf18("9","4","6","7","1","7","1") = "8"
    & skf18("9","4","6","7","1","8","1") = "8"
    & skf18("9","4","6","7","1","9","1") = "8"
    & skf18("9","4","6","7","1","10","1") = "9"
    & skf18("9","4","6","7","2","1","1") = "8"
    & skf18("9","4","6","7","2","2","1") = "8"
    & skf18("9","4","6","7","2","3","1") = "8"
    & skf18("9","4","6","7","2","4","1") = "8"
    & skf18("9","4","6","7","2","5","1") = "8"
    & skf18("9","4","6","7","2","6","1") = "8"
    & skf18("9","4","6","7","2","7","1") = "8"
    & skf18("9","4","6","7","2","8","1") = "8"
    & skf18("9","4","6","7","2","9","1") = "8"
    & skf18("9","4","6","7","2","10","1") = "9"
    & skf18("9","4","6","7","3","1","1") = "8"
    & skf18("9","4","6","7","3","2","1") = "8"
    & skf18("9","4","6","7","3","3","1") = "8"
    & skf18("9","4","6","7","3","4","1") = "8"
    & skf18("9","4","6","7","3","5","1") = "8"
    & skf18("9","4","6","7","3","6","1") = "8"
    & skf18("9","4","6","7","3","7","1") = "8"
    & skf18("9","4","6","7","3","8","1") = "8"
    & skf18("9","4","6","7","3","9","1") = "8"
    & skf18("9","4","6","7","3","10","1") = "9"
    & skf18("9","4","6","7","4","1","1") = "8"
    & skf18("9","4","6","7","4","2","1") = "8"
    & skf18("9","4","6","7","4","3","1") = "8"
    & skf18("9","4","6","7","4","4","1") = "8"
    & skf18("9","4","6","7","4","5","1") = "8"
    & skf18("9","4","6","7","4","6","1") = "8"
    & skf18("9","4","6","7","4","7","1") = "8"
    & skf18("9","4","6","7","4","8","1") = "8"
    & skf18("9","4","6","7","4","9","1") = "8"
    & skf18("9","4","6","7","4","10","1") = "9"
    & skf18("9","4","6","7","5","1","1") = "8"
    & skf18("9","4","6","7","5","2","1") = "8"
    & skf18("9","4","6","7","5","3","1") = "8"
    & skf18("9","4","6","7","5","4","1") = "8"
    & skf18("9","4","6","7","5","5","1") = "8"
    & skf18("9","4","6","7","5","6","1") = "8"
    & skf18("9","4","6","7","5","7","1") = "8"
    & skf18("9","4","6","7","5","8","1") = "8"
    & skf18("9","4","6","7","5","9","1") = "8"
    & skf18("9","4","6","7","5","10","1") = "9"
    & skf18("9","4","6","7","6","1","1") = "8"
    & skf18("9","4","6","7","6","2","1") = "8"
    & skf18("9","4","6","7","6","3","1") = "8"
    & skf18("9","4","6","7","6","4","1") = "8"
    & skf18("9","4","6","7","6","5","1") = "8"
    & skf18("9","4","6","7","6","6","1") = "8"
    & skf18("9","4","6","7","6","7","1") = "8"
    & skf18("9","4","6","7","6","8","1") = "8"
    & skf18("9","4","6","7","6","9","1") = "8"
    & skf18("9","4","6","7","6","10","1") = "9"
    & skf18("9","4","6","7","7","1","1") = "8"
    & skf18("9","4","6","7","7","2","1") = "8"
    & skf18("9","4","6","7","7","3","1") = "8"
    & skf18("9","4","6","7","7","4","1") = "8"
    & skf18("9","4","6","7","7","5","1") = "8"
    & skf18("9","4","6","7","7","6","1") = "8"
    & skf18("9","4","6","7","7","7","1") = "8"
    & skf18("9","4","6","7","7","8","1") = "8"
    & skf18("9","4","6","7","7","9","1") = "8"
    & skf18("9","4","6","7","7","10","1") = "9"
    & skf18("9","4","6","7","8","1","1") = "8"
    & skf18("9","4","6","7","8","2","1") = "8"
    & skf18("9","4","6","7","8","3","1") = "8"
    & skf18("9","4","6","7","8","4","1") = "8"
    & skf18("9","4","6","7","8","5","1") = "8"
    & skf18("9","4","6","7","8","6","1") = "8"
    & skf18("9","4","6","7","8","7","1") = "8"
    & skf18("9","4","6","7","8","8","1") = "8"
    & skf18("9","4","6","7","8","9","1") = "8"
    & skf18("9","4","6","7","8","10","1") = "9"
    & skf18("9","4","6","7","9","1","1") = "8"
    & skf18("9","4","6","7","9","2","1") = "8"
    & skf18("9","4","6","7","9","3","1") = "8"
    & skf18("9","4","6","7","9","4","1") = "8"
    & skf18("9","4","6","7","9","5","1") = "8"
    & skf18("9","4","6","7","9","6","1") = "8"
    & skf18("9","4","6","7","9","7","1") = "8"
    & skf18("9","4","6","7","9","8","1") = "8"
    & skf18("9","4","6","7","9","9","1") = "8"
    & skf18("9","4","6","7","9","10","1") = "9"
    & skf18("9","4","6","7","10","1","1") = "9"
    & skf18("9","4","6","7","10","2","1") = "9"
    & skf18("9","4","6","7","10","3","1") = "9"
    & skf18("9","4","6","7","10","4","1") = "9"
    & skf18("9","4","6","7","10","5","1") = "9"
    & skf18("9","4","6","7","10","6","1") = "9"
    & skf18("9","4","6","7","10","7","1") = "9"
    & skf18("9","4","6","7","10","8","1") = "9"
    & skf18("9","4","6","7","10","9","1") = "9"
    & skf18("9","4","6","7","10","10","1") = "9"
    & skf18("9","4","6","8","1","1","1") = "8"
    & skf18("9","4","6","8","1","2","1") = "8"
    & skf18("9","4","6","8","1","3","1") = "8"
    & skf18("9","4","6","8","1","4","1") = "8"
    & skf18("9","4","6","8","1","5","1") = "8"
    & skf18("9","4","6","8","1","6","1") = "8"
    & skf18("9","4","6","8","1","7","1") = "8"
    & skf18("9","4","6","8","1","8","1") = "8"
    & skf18("9","4","6","8","1","9","1") = "8"
    & skf18("9","4","6","8","1","10","1") = "9"
    & skf18("9","4","6","8","2","1","1") = "8"
    & skf18("9","4","6","8","2","2","1") = "8"
    & skf18("9","4","6","8","2","3","1") = "8"
    & skf18("9","4","6","8","2","4","1") = "8"
    & skf18("9","4","6","8","2","5","1") = "8"
    & skf18("9","4","6","8","2","6","1") = "8"
    & skf18("9","4","6","8","2","7","1") = "8"
    & skf18("9","4","6","8","2","8","1") = "8"
    & skf18("9","4","6","8","2","9","1") = "8"
    & skf18("9","4","6","8","2","10","1") = "9"
    & skf18("9","4","6","8","3","1","1") = "8"
    & skf18("9","4","6","8","3","2","1") = "8"
    & skf18("9","4","6","8","3","3","1") = "8"
    & skf18("9","4","6","8","3","4","1") = "8"
    & skf18("9","4","6","8","3","5","1") = "8"
    & skf18("9","4","6","8","3","6","1") = "8"
    & skf18("9","4","6","8","3","7","1") = "8"
    & skf18("9","4","6","8","3","8","1") = "8"
    & skf18("9","4","6","8","3","9","1") = "8"
    & skf18("9","4","6","8","3","10","1") = "9"
    & skf18("9","4","6","8","4","1","1") = "8"
    & skf18("9","4","6","8","4","2","1") = "8"
    & skf18("9","4","6","8","4","3","1") = "8"
    & skf18("9","4","6","8","4","4","1") = "8"
    & skf18("9","4","6","8","4","5","1") = "8"
    & skf18("9","4","6","8","4","6","1") = "8"
    & skf18("9","4","6","8","4","7","1") = "8"
    & skf18("9","4","6","8","4","8","1") = "8"
    & skf18("9","4","6","8","4","9","1") = "8"
    & skf18("9","4","6","8","4","10","1") = "9"
    & skf18("9","4","6","8","5","1","1") = "8"
    & skf18("9","4","6","8","5","2","1") = "8"
    & skf18("9","4","6","8","5","3","1") = "8"
    & skf18("9","4","6","8","5","4","1") = "8"
    & skf18("9","4","6","8","5","5","1") = "8"
    & skf18("9","4","6","8","5","6","1") = "8"
    & skf18("9","4","6","8","5","7","1") = "8"
    & skf18("9","4","6","8","5","8","1") = "8"
    & skf18("9","4","6","8","5","9","1") = "8"
    & skf18("9","4","6","8","5","10","1") = "9"
    & skf18("9","4","6","8","6","1","1") = "8"
    & skf18("9","4","6","8","6","2","1") = "8"
    & skf18("9","4","6","8","6","3","1") = "8"
    & skf18("9","4","6","8","6","4","1") = "8"
    & skf18("9","4","6","8","6","5","1") = "8"
    & skf18("9","4","6","8","6","6","1") = "8"
    & skf18("9","4","6","8","6","7","1") = "8"
    & skf18("9","4","6","8","6","8","1") = "8"
    & skf18("9","4","6","8","6","9","1") = "8"
    & skf18("9","4","6","8","6","10","1") = "9"
    & skf18("9","4","6","8","7","1","1") = "8"
    & skf18("9","4","6","8","7","2","1") = "8"
    & skf18("9","4","6","8","7","3","1") = "8"
    & skf18("9","4","6","8","7","4","1") = "8"
    & skf18("9","4","6","8","7","5","1") = "8"
    & skf18("9","4","6","8","7","6","1") = "8"
    & skf18("9","4","6","8","7","7","1") = "8"
    & skf18("9","4","6","8","7","8","1") = "8"
    & skf18("9","4","6","8","7","9","1") = "8"
    & skf18("9","4","6","8","7","10","1") = "9"
    & skf18("9","4","6","8","8","1","1") = "8"
    & skf18("9","4","6","8","8","2","1") = "8"
    & skf18("9","4","6","8","8","3","1") = "8"
    & skf18("9","4","6","8","8","4","1") = "8"
    & skf18("9","4","6","8","8","5","1") = "8"
    & skf18("9","4","6","8","8","6","1") = "8"
    & skf18("9","4","6","8","8","7","1") = "8"
    & skf18("9","4","6","8","8","8","1") = "8"
    & skf18("9","4","6","8","8","9","1") = "8"
    & skf18("9","4","6","8","8","10","1") = "9"
    & skf18("9","4","6","8","9","1","1") = "8"
    & skf18("9","4","6","8","9","2","1") = "8"
    & skf18("9","4","6","8","9","3","1") = "8"
    & skf18("9","4","6","8","9","4","1") = "8"
    & skf18("9","4","6","8","9","5","1") = "8"
    & skf18("9","4","6","8","9","6","1") = "8"
    & skf18("9","4","6","8","9","7","1") = "8"
    & skf18("9","4","6","8","9","8","1") = "8"
    & skf18("9","4","6","8","9","9","1") = "8"
    & skf18("9","4","6","8","9","10","1") = "9"
    & skf18("9","4","6","8","10","1","1") = "9"
    & skf18("9","4","6","8","10","2","1") = "9"
    & skf18("9","4","6","8","10","3","1") = "9"
    & skf18("9","4","6","8","10","4","1") = "9"
    & skf18("9","4","6","8","10","5","1") = "9"
    & skf18("9","4","6","8","10","6","1") = "9"
    & skf18("9","4","6","8","10","7","1") = "9"
    & skf18("9","4","6","8","10","8","1") = "9"
    & skf18("9","4","6","8","10","9","1") = "9"
    & skf18("9","4","6","8","10","10","1") = "9"
    & skf18("9","4","6","9","1","1","1") = "8"
    & skf18("9","4","6","9","1","2","1") = "8"
    & skf18("9","4","6","9","1","3","1") = "8"
    & skf18("9","4","6","9","1","4","1") = "8"
    & skf18("9","4","6","9","1","5","1") = "8"
    & skf18("9","4","6","9","1","6","1") = "8"
    & skf18("9","4","6","9","1","7","1") = "8"
    & skf18("9","4","6","9","1","8","1") = "8"
    & skf18("9","4","6","9","1","9","1") = "8"
    & skf18("9","4","6","9","1","10","1") = "9"
    & skf18("9","4","6","9","2","1","1") = "8"
    & skf18("9","4","6","9","2","2","1") = "8"
    & skf18("9","4","6","9","2","3","1") = "8"
    & skf18("9","4","6","9","2","4","1") = "8"
    & skf18("9","4","6","9","2","5","1") = "8"
    & skf18("9","4","6","9","2","6","1") = "8"
    & skf18("9","4","6","9","2","7","1") = "8"
    & skf18("9","4","6","9","2","8","1") = "8"
    & skf18("9","4","6","9","2","9","1") = "8"
    & skf18("9","4","6","9","2","10","1") = "9"
    & skf18("9","4","6","9","3","1","1") = "8"
    & skf18("9","4","6","9","3","2","1") = "8"
    & skf18("9","4","6","9","3","3","1") = "8"
    & skf18("9","4","6","9","3","4","1") = "8"
    & skf18("9","4","6","9","3","5","1") = "8"
    & skf18("9","4","6","9","3","6","1") = "8"
    & skf18("9","4","6","9","3","7","1") = "8"
    & skf18("9","4","6","9","3","8","1") = "8"
    & skf18("9","4","6","9","3","9","1") = "8"
    & skf18("9","4","6","9","3","10","1") = "9"
    & skf18("9","4","6","9","4","1","1") = "8"
    & skf18("9","4","6","9","4","2","1") = "8"
    & skf18("9","4","6","9","4","3","1") = "8"
    & skf18("9","4","6","9","4","4","1") = "8"
    & skf18("9","4","6","9","4","5","1") = "8"
    & skf18("9","4","6","9","4","6","1") = "8"
    & skf18("9","4","6","9","4","7","1") = "8"
    & skf18("9","4","6","9","4","8","1") = "8"
    & skf18("9","4","6","9","4","9","1") = "8"
    & skf18("9","4","6","9","4","10","1") = "9"
    & skf18("9","4","6","9","5","1","1") = "8"
    & skf18("9","4","6","9","5","2","1") = "8"
    & skf18("9","4","6","9","5","3","1") = "8"
    & skf18("9","4","6","9","5","4","1") = "8"
    & skf18("9","4","6","9","5","5","1") = "8"
    & skf18("9","4","6","9","5","6","1") = "8"
    & skf18("9","4","6","9","5","7","1") = "8"
    & skf18("9","4","6","9","5","8","1") = "8"
    & skf18("9","4","6","9","5","9","1") = "8"
    & skf18("9","4","6","9","5","10","1") = "9"
    & skf18("9","4","6","9","6","1","1") = "8"
    & skf18("9","4","6","9","6","2","1") = "8"
    & skf18("9","4","6","9","6","3","1") = "8"
    & skf18("9","4","6","9","6","4","1") = "8"
    & skf18("9","4","6","9","6","5","1") = "8"
    & skf18("9","4","6","9","6","6","1") = "8"
    & skf18("9","4","6","9","6","7","1") = "8"
    & skf18("9","4","6","9","6","8","1") = "8"
    & skf18("9","4","6","9","6","9","1") = "8"
    & skf18("9","4","6","9","6","10","1") = "9"
    & skf18("9","4","6","9","7","1","1") = "8"
    & skf18("9","4","6","9","7","2","1") = "8"
    & skf18("9","4","6","9","7","3","1") = "8"
    & skf18("9","4","6","9","7","4","1") = "8"
    & skf18("9","4","6","9","7","5","1") = "8"
    & skf18("9","4","6","9","7","6","1") = "8"
    & skf18("9","4","6","9","7","7","1") = "8"
    & skf18("9","4","6","9","7","8","1") = "8"
    & skf18("9","4","6","9","7","9","1") = "8"
    & skf18("9","4","6","9","7","10","1") = "9"
    & skf18("9","4","6","9","8","1","1") = "8"
    & skf18("9","4","6","9","8","2","1") = "8"
    & skf18("9","4","6","9","8","3","1") = "8"
    & skf18("9","4","6","9","8","4","1") = "8"
    & skf18("9","4","6","9","8","5","1") = "8"
    & skf18("9","4","6","9","8","6","1") = "8"
    & skf18("9","4","6","9","8","7","1") = "8"
    & skf18("9","4","6","9","8","8","1") = "8"
    & skf18("9","4","6","9","8","9","1") = "8"
    & skf18("9","4","6","9","8","10","1") = "9"
    & skf18("9","4","6","9","9","1","1") = "8"
    & skf18("9","4","6","9","9","2","1") = "8"
    & skf18("9","4","6","9","9","3","1") = "8"
    & skf18("9","4","6","9","9","4","1") = "8"
    & skf18("9","4","6","9","9","5","1") = "8"
    & skf18("9","4","6","9","9","6","1") = "8"
    & skf18("9","4","6","9","9","7","1") = "8"
    & skf18("9","4","6","9","9","8","1") = "8"
    & skf18("9","4","6","9","9","9","1") = "8"
    & skf18("9","4","6","9","9","10","1") = "9"
    & skf18("9","4","6","9","10","1","1") = "9"
    & skf18("9","4","6","9","10","2","1") = "9"
    & skf18("9","4","6","9","10","3","1") = "9"
    & skf18("9","4","6","9","10","4","1") = "9"
    & skf18("9","4","6","9","10","5","1") = "9"
    & skf18("9","4","6","9","10","6","1") = "9"
    & skf18("9","4","6","9","10","7","1") = "9"
    & skf18("9","4","6","9","10","8","1") = "9"
    & skf18("9","4","6","9","10","9","1") = "9"
    & skf18("9","4","6","9","10","10","1") = "9"
    & skf18("9","4","6","10","1","1","1") = "9"
    & skf18("9","4","6","10","1","2","1") = "9"
    & skf18("9","4","6","10","1","3","1") = "9"
    & skf18("9","4","6","10","1","4","1") = "9"
    & skf18("9","4","6","10","1","5","1") = "9"
    & skf18("9","4","6","10","1","6","1") = "9"
    & skf18("9","4","6","10","1","7","1") = "9"
    & skf18("9","4","6","10","1","8","1") = "9"
    & skf18("9","4","6","10","1","9","1") = "9"
    & skf18("9","4","6","10","1","10","1") = "9"
    & skf18("9","4","6","10","2","1","1") = "9"
    & skf18("9","4","6","10","2","2","1") = "9"
    & skf18("9","4","6","10","2","3","1") = "9"
    & skf18("9","4","6","10","2","4","1") = "9"
    & skf18("9","4","6","10","2","5","1") = "9"
    & skf18("9","4","6","10","2","6","1") = "9"
    & skf18("9","4","6","10","2","7","1") = "9"
    & skf18("9","4","6","10","2","8","1") = "9"
    & skf18("9","4","6","10","2","9","1") = "9"
    & skf18("9","4","6","10","2","10","1") = "9"
    & skf18("9","4","6","10","3","1","1") = "9"
    & skf18("9","4","6","10","3","2","1") = "9"
    & skf18("9","4","6","10","3","3","1") = "9"
    & skf18("9","4","6","10","3","4","1") = "9"
    & skf18("9","4","6","10","3","5","1") = "9"
    & skf18("9","4","6","10","3","6","1") = "9"
    & skf18("9","4","6","10","3","7","1") = "9"
    & skf18("9","4","6","10","3","8","1") = "9"
    & skf18("9","4","6","10","3","9","1") = "9"
    & skf18("9","4","6","10","3","10","1") = "9"
    & skf18("9","4","6","10","4","1","1") = "9"
    & skf18("9","4","6","10","4","2","1") = "9"
    & skf18("9","4","6","10","4","3","1") = "9"
    & skf18("9","4","6","10","4","4","1") = "9"
    & skf18("9","4","6","10","4","5","1") = "9"
    & skf18("9","4","6","10","4","6","1") = "9"
    & skf18("9","4","6","10","4","7","1") = "9"
    & skf18("9","4","6","10","4","8","1") = "9"
    & skf18("9","4","6","10","4","9","1") = "9"
    & skf18("9","4","6","10","4","10","1") = "9"
    & skf18("9","4","6","10","5","1","1") = "9"
    & skf18("9","4","6","10","5","2","1") = "9"
    & skf18("9","4","6","10","5","3","1") = "9"
    & skf18("9","4","6","10","5","4","1") = "9"
    & skf18("9","4","6","10","5","5","1") = "9"
    & skf18("9","4","6","10","5","6","1") = "9"
    & skf18("9","4","6","10","5","7","1") = "9"
    & skf18("9","4","6","10","5","8","1") = "9"
    & skf18("9","4","6","10","5","9","1") = "9"
    & skf18("9","4","6","10","5","10","1") = "9"
    & skf18("9","4","6","10","6","1","1") = "9"
    & skf18("9","4","6","10","6","2","1") = "9"
    & skf18("9","4","6","10","6","3","1") = "9"
    & skf18("9","4","6","10","6","4","1") = "9"
    & skf18("9","4","6","10","6","5","1") = "9"
    & skf18("9","4","6","10","6","6","1") = "9"
    & skf18("9","4","6","10","6","7","1") = "9"
    & skf18("9","4","6","10","6","8","1") = "9"
    & skf18("9","4","6","10","6","9","1") = "9"
    & skf18("9","4","6","10","6","10","1") = "9"
    & skf18("9","4","6","10","7","1","1") = "9"
    & skf18("9","4","6","10","7","2","1") = "9"
    & skf18("9","4","6","10","7","3","1") = "9"
    & skf18("9","4","6","10","7","4","1") = "9"
    & skf18("9","4","6","10","7","5","1") = "9"
    & skf18("9","4","6","10","7","6","1") = "9"
    & skf18("9","4","6","10","7","7","1") = "9"
    & skf18("9","4","6","10","7","8","1") = "9"
    & skf18("9","4","6","10","7","9","1") = "9"
    & skf18("9","4","6","10","7","10","1") = "9"
    & skf18("9","4","6","10","8","1","1") = "9"
    & skf18("9","4","6","10","8","2","1") = "9"
    & skf18("9","4","6","10","8","3","1") = "9"
    & skf18("9","4","6","10","8","4","1") = "9"
    & skf18("9","4","6","10","8","5","1") = "9"
    & skf18("9","4","6","10","8","6","1") = "9"
    & skf18("9","4","6","10","8","7","1") = "9"
    & skf18("9","4","6","10","8","8","1") = "9"
    & skf18("9","4","6","10","8","9","1") = "9"
    & skf18("9","4","6","10","8","10","1") = "9"
    & skf18("9","4","6","10","9","1","1") = "9"
    & skf18("9","4","6","10","9","2","1") = "9"
    & skf18("9","4","6","10","9","3","1") = "9"
    & skf18("9","4","6","10","9","4","1") = "9"
    & skf18("9","4","6","10","9","5","1") = "9"
    & skf18("9","4","6","10","9","6","1") = "9"
    & skf18("9","4","6","10","9","7","1") = "9"
    & skf18("9","4","6","10","9","8","1") = "9"
    & skf18("9","4","6","10","9","9","1") = "9"
    & skf18("9","4","6","10","9","10","1") = "9"
    & skf18("9","4","6","10","10","1","1") = "9"
    & skf18("9","4","6","10","10","2","1") = "9"
    & skf18("9","4","6","10","10","3","1") = "9"
    & skf18("9","4","6","10","10","4","1") = "9"
    & skf18("9","4","6","10","10","5","1") = "9"
    & skf18("9","4","6","10","10","6","1") = "9"
    & skf18("9","4","6","10","10","7","1") = "9"
    & skf18("9","4","6","10","10","8","1") = "9"
    & skf18("9","4","6","10","10","9","1") = "9"
    & skf18("9","4","6","10","10","10","1") = "9"
    & skf18("9","4","7","1","1","1","1") = "8"
    & skf18("9","4","7","1","1","2","1") = "8"
    & skf18("9","4","7","1","1","3","1") = "8"
    & skf18("9","4","7","1","1","4","1") = "8"
    & skf18("9","4","7","1","1","5","1") = "8"
    & skf18("9","4","7","1","1","6","1") = "8"
    & skf18("9","4","7","1","1","7","1") = "8"
    & skf18("9","4","7","1","1","8","1") = "8"
    & skf18("9","4","7","1","1","9","1") = "8"
    & skf18("9","4","7","1","1","10","1") = "9"
    & skf18("9","4","7","1","2","1","1") = "8"
    & skf18("9","4","7","1","2","2","1") = "8"
    & skf18("9","4","7","1","2","3","1") = "8"
    & skf18("9","4","7","1","2","4","1") = "8"
    & skf18("9","4","7","1","2","5","1") = "8"
    & skf18("9","4","7","1","2","6","1") = "8"
    & skf18("9","4","7","1","2","7","1") = "8"
    & skf18("9","4","7","1","2","8","1") = "8"
    & skf18("9","4","7","1","2","9","1") = "8"
    & skf18("9","4","7","1","2","10","1") = "9"
    & skf18("9","4","7","1","3","1","1") = "8"
    & skf18("9","4","7","1","3","2","1") = "8"
    & skf18("9","4","7","1","3","3","1") = "8"
    & skf18("9","4","7","1","3","4","1") = "8"
    & skf18("9","4","7","1","3","5","1") = "8"
    & skf18("9","4","7","1","3","6","1") = "8"
    & skf18("9","4","7","1","3","7","1") = "8"
    & skf18("9","4","7","1","3","8","1") = "8"
    & skf18("9","4","7","1","3","9","1") = "8"
    & skf18("9","4","7","1","3","10","1") = "9"
    & skf18("9","4","7","1","4","1","1") = "8"
    & skf18("9","4","7","1","4","2","1") = "8"
    & skf18("9","4","7","1","4","3","1") = "8"
    & skf18("9","4","7","1","4","4","1") = "8"
    & skf18("9","4","7","1","4","5","1") = "8"
    & skf18("9","4","7","1","4","6","1") = "8"
    & skf18("9","4","7","1","4","7","1") = "8"
    & skf18("9","4","7","1","4","8","1") = "8"
    & skf18("9","4","7","1","4","9","1") = "8"
    & skf18("9","4","7","1","4","10","1") = "9"
    & skf18("9","4","7","1","5","1","1") = "8"
    & skf18("9","4","7","1","5","2","1") = "8"
    & skf18("9","4","7","1","5","3","1") = "8"
    & skf18("9","4","7","1","5","4","1") = "8"
    & skf18("9","4","7","1","5","5","1") = "8"
    & skf18("9","4","7","1","5","6","1") = "8"
    & skf18("9","4","7","1","5","7","1") = "8"
    & skf18("9","4","7","1","5","8","1") = "8"
    & skf18("9","4","7","1","5","9","1") = "8"
    & skf18("9","4","7","1","5","10","1") = "9"
    & skf18("9","4","7","1","6","1","1") = "8"
    & skf18("9","4","7","1","6","2","1") = "8"
    & skf18("9","4","7","1","6","3","1") = "8"
    & skf18("9","4","7","1","6","4","1") = "8"
    & skf18("9","4","7","1","6","5","1") = "8"
    & skf18("9","4","7","1","6","6","1") = "8"
    & skf18("9","4","7","1","6","7","1") = "8"
    & skf18("9","4","7","1","6","8","1") = "8"
    & skf18("9","4","7","1","6","9","1") = "8"
    & skf18("9","4","7","1","6","10","1") = "9"
    & skf18("9","4","7","1","7","1","1") = "8"
    & skf18("9","4","7","1","7","2","1") = "8"
    & skf18("9","4","7","1","7","3","1") = "8"
    & skf18("9","4","7","1","7","4","1") = "8"
    & skf18("9","4","7","1","7","5","1") = "8"
    & skf18("9","4","7","1","7","6","1") = "8"
    & skf18("9","4","7","1","7","7","1") = "8"
    & skf18("9","4","7","1","7","8","1") = "8"
    & skf18("9","4","7","1","7","9","1") = "8"
    & skf18("9","4","7","1","7","10","1") = "9"
    & skf18("9","4","7","1","8","1","1") = "8"
    & skf18("9","4","7","1","8","2","1") = "8"
    & skf18("9","4","7","1","8","3","1") = "8"
    & skf18("9","4","7","1","8","4","1") = "8"
    & skf18("9","4","7","1","8","5","1") = "8"
    & skf18("9","4","7","1","8","6","1") = "8"
    & skf18("9","4","7","1","8","7","1") = "8"
    & skf18("9","4","7","1","8","8","1") = "8"
    & skf18("9","4","7","1","8","9","1") = "8"
    & skf18("9","4","7","1","8","10","1") = "9"
    & skf18("9","4","7","1","9","1","1") = "8"
    & skf18("9","4","7","1","9","2","1") = "8"
    & skf18("9","4","7","1","9","3","1") = "8"
    & skf18("9","4","7","1","9","4","1") = "8"
    & skf18("9","4","7","1","9","5","1") = "8"
    & skf18("9","4","7","1","9","6","1") = "8"
    & skf18("9","4","7","1","9","7","1") = "8"
    & skf18("9","4","7","1","9","8","1") = "8"
    & skf18("9","4","7","1","9","9","1") = "8"
    & skf18("9","4","7","1","9","10","1") = "9"
    & skf18("9","4","7","1","10","1","1") = "9"
    & skf18("9","4","7","1","10","2","1") = "9"
    & skf18("9","4","7","1","10","3","1") = "9"
    & skf18("9","4","7","1","10","4","1") = "9"
    & skf18("9","4","7","1","10","5","1") = "9"
    & skf18("9","4","7","1","10","6","1") = "9"
    & skf18("9","4","7","1","10","7","1") = "9"
    & skf18("9","4","7","1","10","8","1") = "9"
    & skf18("9","4","7","1","10","9","1") = "9"
    & skf18("9","4","7","1","10","10","1") = "9"
    & skf18("9","4","7","2","1","1","1") = "8"
    & skf18("9","4","7","2","1","2","1") = "8"
    & skf18("9","4","7","2","1","3","1") = "8"
    & skf18("9","4","7","2","1","4","1") = "8"
    & skf18("9","4","7","2","1","5","1") = "8"
    & skf18("9","4","7","2","1","6","1") = "8"
    & skf18("9","4","7","2","1","7","1") = "8"
    & skf18("9","4","7","2","1","8","1") = "8"
    & skf18("9","4","7","2","1","9","1") = "8"
    & skf18("9","4","7","2","1","10","1") = "9"
    & skf18("9","4","7","2","2","1","1") = "8"
    & skf18("9","4","7","2","2","2","1") = "8"
    & skf18("9","4","7","2","2","3","1") = "8"
    & skf18("9","4","7","2","2","4","1") = "8"
    & skf18("9","4","7","2","2","5","1") = "8"
    & skf18("9","4","7","2","2","6","1") = "8"
    & skf18("9","4","7","2","2","7","1") = "8"
    & skf18("9","4","7","2","2","8","1") = "8"
    & skf18("9","4","7","2","2","9","1") = "8"
    & skf18("9","4","7","2","2","10","1") = "9"
    & skf18("9","4","7","2","3","1","1") = "8"
    & skf18("9","4","7","2","3","2","1") = "8"
    & skf18("9","4","7","2","3","3","1") = "8"
    & skf18("9","4","7","2","3","4","1") = "8"
    & skf18("9","4","7","2","3","5","1") = "8"
    & skf18("9","4","7","2","3","6","1") = "8"
    & skf18("9","4","7","2","3","7","1") = "8"
    & skf18("9","4","7","2","3","8","1") = "8"
    & skf18("9","4","7","2","3","9","1") = "8"
    & skf18("9","4","7","2","3","10","1") = "9"
    & skf18("9","4","7","2","4","1","1") = "8"
    & skf18("9","4","7","2","4","2","1") = "8"
    & skf18("9","4","7","2","4","3","1") = "8"
    & skf18("9","4","7","2","4","4","1") = "8"
    & skf18("9","4","7","2","4","5","1") = "8"
    & skf18("9","4","7","2","4","6","1") = "8"
    & skf18("9","4","7","2","4","7","1") = "8"
    & skf18("9","4","7","2","4","8","1") = "8"
    & skf18("9","4","7","2","4","9","1") = "8"
    & skf18("9","4","7","2","4","10","1") = "9"
    & skf18("9","4","7","2","5","1","1") = "8"
    & skf18("9","4","7","2","5","2","1") = "8"
    & skf18("9","4","7","2","5","3","1") = "8"
    & skf18("9","4","7","2","5","4","1") = "8"
    & skf18("9","4","7","2","5","5","1") = "8"
    & skf18("9","4","7","2","5","6","1") = "8"
    & skf18("9","4","7","2","5","7","1") = "8"
    & skf18("9","4","7","2","5","8","1") = "8"
    & skf18("9","4","7","2","5","9","1") = "8"
    & skf18("9","4","7","2","5","10","1") = "9"
    & skf18("9","4","7","2","6","1","1") = "8"
    & skf18("9","4","7","2","6","2","1") = "8"
    & skf18("9","4","7","2","6","3","1") = "8"
    & skf18("9","4","7","2","6","4","1") = "8"
    & skf18("9","4","7","2","6","5","1") = "8"
    & skf18("9","4","7","2","6","6","1") = "8"
    & skf18("9","4","7","2","6","7","1") = "8"
    & skf18("9","4","7","2","6","8","1") = "8"
    & skf18("9","4","7","2","6","9","1") = "8"
    & skf18("9","4","7","2","6","10","1") = "9"
    & skf18("9","4","7","2","7","1","1") = "8"
    & skf18("9","4","7","2","7","2","1") = "8"
    & skf18("9","4","7","2","7","3","1") = "8"
    & skf18("9","4","7","2","7","4","1") = "8"
    & skf18("9","4","7","2","7","5","1") = "8"
    & skf18("9","4","7","2","7","6","1") = "8"
    & skf18("9","4","7","2","7","7","1") = "8"
    & skf18("9","4","7","2","7","8","1") = "8"
    & skf18("9","4","7","2","7","9","1") = "8"
    & skf18("9","4","7","2","7","10","1") = "9"
    & skf18("9","4","7","2","8","1","1") = "8"
    & skf18("9","4","7","2","8","2","1") = "8"
    & skf18("9","4","7","2","8","3","1") = "8"
    & skf18("9","4","7","2","8","4","1") = "8"
    & skf18("9","4","7","2","8","5","1") = "8"
    & skf18("9","4","7","2","8","6","1") = "8"
    & skf18("9","4","7","2","8","7","1") = "8"
    & skf18("9","4","7","2","8","8","1") = "8"
    & skf18("9","4","7","2","8","9","1") = "8"
    & skf18("9","4","7","2","8","10","1") = "9"
    & skf18("9","4","7","2","9","1","1") = "8"
    & skf18("9","4","7","2","9","2","1") = "8"
    & skf18("9","4","7","2","9","3","1") = "8"
    & skf18("9","4","7","2","9","4","1") = "8"
    & skf18("9","4","7","2","9","5","1") = "8"
    & skf18("9","4","7","2","9","6","1") = "8"
    & skf18("9","4","7","2","9","7","1") = "8"
    & skf18("9","4","7","2","9","8","1") = "8"
    & skf18("9","4","7","2","9","9","1") = "8"
    & skf18("9","4","7","2","9","10","1") = "9"
    & skf18("9","4","7","2","10","1","1") = "9"
    & skf18("9","4","7","2","10","2","1") = "9"
    & skf18("9","4","7","2","10","3","1") = "9"
    & skf18("9","4","7","2","10","4","1") = "9"
    & skf18("9","4","7","2","10","5","1") = "9"
    & skf18("9","4","7","2","10","6","1") = "9"
    & skf18("9","4","7","2","10","7","1") = "9"
    & skf18("9","4","7","2","10","8","1") = "9"
    & skf18("9","4","7","2","10","9","1") = "9"
    & skf18("9","4","7","2","10","10","1") = "9"
    & skf18("9","4","7","3","1","1","1") = "8"
    & skf18("9","4","7","3","1","2","1") = "8"
    & skf18("9","4","7","3","1","3","1") = "8"
    & skf18("9","4","7","3","1","4","1") = "8"
    & skf18("9","4","7","3","1","5","1") = "8"
    & skf18("9","4","7","3","1","6","1") = "8"
    & skf18("9","4","7","3","1","7","1") = "8"
    & skf18("9","4","7","3","1","8","1") = "8"
    & skf18("9","4","7","3","1","9","1") = "8"
    & skf18("9","4","7","3","1","10","1") = "9"
    & skf18("9","4","7","3","2","1","1") = "8"
    & skf18("9","4","7","3","2","2","1") = "8"
    & skf18("9","4","7","3","2","3","1") = "8"
    & skf18("9","4","7","3","2","4","1") = "8"
    & skf18("9","4","7","3","2","5","1") = "8"
    & skf18("9","4","7","3","2","6","1") = "8"
    & skf18("9","4","7","3","2","7","1") = "8"
    & skf18("9","4","7","3","2","8","1") = "8"
    & skf18("9","4","7","3","2","9","1") = "8"
    & skf18("9","4","7","3","2","10","1") = "9"
    & skf18("9","4","7","3","3","1","1") = "8"
    & skf18("9","4","7","3","3","2","1") = "8"
    & skf18("9","4","7","3","3","3","1") = "8"
    & skf18("9","4","7","3","3","4","1") = "8"
    & skf18("9","4","7","3","3","5","1") = "8"
    & skf18("9","4","7","3","3","6","1") = "8"
    & skf18("9","4","7","3","3","7","1") = "8"
    & skf18("9","4","7","3","3","8","1") = "8"
    & skf18("9","4","7","3","3","9","1") = "8"
    & skf18("9","4","7","3","3","10","1") = "9"
    & skf18("9","4","7","3","4","1","1") = "8"
    & skf18("9","4","7","3","4","2","1") = "8"
    & skf18("9","4","7","3","4","3","1") = "8"
    & skf18("9","4","7","3","4","4","1") = "8"
    & skf18("9","4","7","3","4","5","1") = "8"
    & skf18("9","4","7","3","4","6","1") = "8"
    & skf18("9","4","7","3","4","7","1") = "8"
    & skf18("9","4","7","3","4","8","1") = "8"
    & skf18("9","4","7","3","4","9","1") = "8"
    & skf18("9","4","7","3","4","10","1") = "9"
    & skf18("9","4","7","3","5","1","1") = "8"
    & skf18("9","4","7","3","5","2","1") = "8"
    & skf18("9","4","7","3","5","3","1") = "8"
    & skf18("9","4","7","3","5","4","1") = "8"
    & skf18("9","4","7","3","5","5","1") = "8"
    & skf18("9","4","7","3","5","6","1") = "8"
    & skf18("9","4","7","3","5","7","1") = "8"
    & skf18("9","4","7","3","5","8","1") = "8"
    & skf18("9","4","7","3","5","9","1") = "8"
    & skf18("9","4","7","3","5","10","1") = "9"
    & skf18("9","4","7","3","6","1","1") = "8"
    & skf18("9","4","7","3","6","2","1") = "8"
    & skf18("9","4","7","3","6","3","1") = "8"
    & skf18("9","4","7","3","6","4","1") = "8"
    & skf18("9","4","7","3","6","5","1") = "8"
    & skf18("9","4","7","3","6","6","1") = "8"
    & skf18("9","4","7","3","6","7","1") = "8"
    & skf18("9","4","7","3","6","8","1") = "8"
    & skf18("9","4","7","3","6","9","1") = "8"
    & skf18("9","4","7","3","6","10","1") = "9"
    & skf18("9","4","7","3","7","1","1") = "8"
    & skf18("9","4","7","3","7","2","1") = "8"
    & skf18("9","4","7","3","7","3","1") = "8"
    & skf18("9","4","7","3","7","4","1") = "8"
    & skf18("9","4","7","3","7","5","1") = "8"
    & skf18("9","4","7","3","7","6","1") = "8"
    & skf18("9","4","7","3","7","7","1") = "8"
    & skf18("9","4","7","3","7","8","1") = "8"
    & skf18("9","4","7","3","7","9","1") = "8"
    & skf18("9","4","7","3","7","10","1") = "9"
    & skf18("9","4","7","3","8","1","1") = "8"
    & skf18("9","4","7","3","8","2","1") = "8"
    & skf18("9","4","7","3","8","3","1") = "8"
    & skf18("9","4","7","3","8","4","1") = "8"
    & skf18("9","4","7","3","8","5","1") = "8"
    & skf18("9","4","7","3","8","6","1") = "8"
    & skf18("9","4","7","3","8","7","1") = "8"
    & skf18("9","4","7","3","8","8","1") = "8"
    & skf18("9","4","7","3","8","9","1") = "8"
    & skf18("9","4","7","3","8","10","1") = "9"
    & skf18("9","4","7","3","9","1","1") = "8"
    & skf18("9","4","7","3","9","2","1") = "8"
    & skf18("9","4","7","3","9","3","1") = "8"
    & skf18("9","4","7","3","9","4","1") = "8"
    & skf18("9","4","7","3","9","5","1") = "8"
    & skf18("9","4","7","3","9","6","1") = "8"
    & skf18("9","4","7","3","9","7","1") = "8"
    & skf18("9","4","7","3","9","8","1") = "8"
    & skf18("9","4","7","3","9","9","1") = "8"
    & skf18("9","4","7","3","9","10","1") = "9"
    & skf18("9","4","7","3","10","1","1") = "9"
    & skf18("9","4","7","3","10","2","1") = "9"
    & skf18("9","4","7","3","10","3","1") = "9"
    & skf18("9","4","7","3","10","4","1") = "9"
    & skf18("9","4","7","3","10","5","1") = "9"
    & skf18("9","4","7","3","10","6","1") = "9"
    & skf18("9","4","7","3","10","7","1") = "9"
    & skf18("9","4","7","3","10","8","1") = "9"
    & skf18("9","4","7","3","10","9","1") = "9"
    & skf18("9","4","7","3","10","10","1") = "9"
    & skf18("9","4","7","4","1","1","1") = "8"
    & skf18("9","4","7","4","1","2","1") = "8"
    & skf18("9","4","7","4","1","3","1") = "8"
    & skf18("9","4","7","4","1","4","1") = "8"
    & skf18("9","4","7","4","1","5","1") = "8"
    & skf18("9","4","7","4","1","6","1") = "8"
    & skf18("9","4","7","4","1","7","1") = "8"
    & skf18("9","4","7","4","1","8","1") = "8"
    & skf18("9","4","7","4","1","9","1") = "8"
    & skf18("9","4","7","4","1","10","1") = "9"
    & skf18("9","4","7","4","2","1","1") = "8"
    & skf18("9","4","7","4","2","2","1") = "8"
    & skf18("9","4","7","4","2","3","1") = "8"
    & skf18("9","4","7","4","2","4","1") = "8"
    & skf18("9","4","7","4","2","5","1") = "8"
    & skf18("9","4","7","4","2","6","1") = "8"
    & skf18("9","4","7","4","2","7","1") = "8"
    & skf18("9","4","7","4","2","8","1") = "8"
    & skf18("9","4","7","4","2","9","1") = "8"
    & skf18("9","4","7","4","2","10","1") = "9"
    & skf18("9","4","7","4","3","1","1") = "8"
    & skf18("9","4","7","4","3","2","1") = "8"
    & skf18("9","4","7","4","3","3","1") = "8"
    & skf18("9","4","7","4","3","4","1") = "8"
    & skf18("9","4","7","4","3","5","1") = "8"
    & skf18("9","4","7","4","3","6","1") = "8"
    & skf18("9","4","7","4","3","7","1") = "8"
    & skf18("9","4","7","4","3","8","1") = "8"
    & skf18("9","4","7","4","3","9","1") = "8"
    & skf18("9","4","7","4","3","10","1") = "9"
    & skf18("9","4","7","4","4","1","1") = "8"
    & skf18("9","4","7","4","4","2","1") = "8"
    & skf18("9","4","7","4","4","3","1") = "8"
    & skf18("9","4","7","4","4","4","1") = "8"
    & skf18("9","4","7","4","4","5","1") = "8"
    & skf18("9","4","7","4","4","6","1") = "8"
    & skf18("9","4","7","4","4","7","1") = "8"
    & skf18("9","4","7","4","4","8","1") = "8"
    & skf18("9","4","7","4","4","9","1") = "8"
    & skf18("9","4","7","4","4","10","1") = "9"
    & skf18("9","4","7","4","5","1","1") = "8"
    & skf18("9","4","7","4","5","2","1") = "8"
    & skf18("9","4","7","4","5","3","1") = "8"
    & skf18("9","4","7","4","5","4","1") = "8"
    & skf18("9","4","7","4","5","5","1") = "8"
    & skf18("9","4","7","4","5","6","1") = "8"
    & skf18("9","4","7","4","5","7","1") = "8"
    & skf18("9","4","7","4","5","8","1") = "8"
    & skf18("9","4","7","4","5","9","1") = "8"
    & skf18("9","4","7","4","5","10","1") = "9"
    & skf18("9","4","7","4","6","1","1") = "8"
    & skf18("9","4","7","4","6","2","1") = "8"
    & skf18("9","4","7","4","6","3","1") = "8"
    & skf18("9","4","7","4","6","4","1") = "8"
    & skf18("9","4","7","4","6","5","1") = "8"
    & skf18("9","4","7","4","6","6","1") = "8"
    & skf18("9","4","7","4","6","7","1") = "8"
    & skf18("9","4","7","4","6","8","1") = "8"
    & skf18("9","4","7","4","6","9","1") = "8"
    & skf18("9","4","7","4","6","10","1") = "9"
    & skf18("9","4","7","4","7","1","1") = "8"
    & skf18("9","4","7","4","7","2","1") = "8"
    & skf18("9","4","7","4","7","3","1") = "8"
    & skf18("9","4","7","4","7","4","1") = "8"
    & skf18("9","4","7","4","7","5","1") = "8"
    & skf18("9","4","7","4","7","6","1") = "8"
    & skf18("9","4","7","4","7","7","1") = "8"
    & skf18("9","4","7","4","7","8","1") = "8"
    & skf18("9","4","7","4","7","9","1") = "8"
    & skf18("9","4","7","4","7","10","1") = "9"
    & skf18("9","4","7","4","8","1","1") = "8"
    & skf18("9","4","7","4","8","2","1") = "8"
    & skf18("9","4","7","4","8","3","1") = "8"
    & skf18("9","4","7","4","8","4","1") = "8"
    & skf18("9","4","7","4","8","5","1") = "8"
    & skf18("9","4","7","4","8","6","1") = "8"
    & skf18("9","4","7","4","8","7","1") = "8"
    & skf18("9","4","7","4","8","8","1") = "8"
    & skf18("9","4","7","4","8","9","1") = "8"
    & skf18("9","4","7","4","8","10","1") = "9"
    & skf18("9","4","7","4","9","1","1") = "8"
    & skf18("9","4","7","4","9","2","1") = "8"
    & skf18("9","4","7","4","9","3","1") = "8"
    & skf18("9","4","7","4","9","4","1") = "8"
    & skf18("9","4","7","4","9","5","1") = "8"
    & skf18("9","4","7","4","9","6","1") = "8"
    & skf18("9","4","7","4","9","7","1") = "8"
    & skf18("9","4","7","4","9","8","1") = "8"
    & skf18("9","4","7","4","9","9","1") = "8"
    & skf18("9","4","7","4","9","10","1") = "9"
    & skf18("9","4","7","4","10","1","1") = "9"
    & skf18("9","4","7","4","10","2","1") = "9"
    & skf18("9","4","7","4","10","3","1") = "9"
    & skf18("9","4","7","4","10","4","1") = "9"
    & skf18("9","4","7","4","10","5","1") = "9"
    & skf18("9","4","7","4","10","6","1") = "9"
    & skf18("9","4","7","4","10","7","1") = "9"
    & skf18("9","4","7","4","10","8","1") = "9"
    & skf18("9","4","7","4","10","9","1") = "9"
    & skf18("9","4","7","4","10","10","1") = "9"
    & skf18("9","4","7","5","1","1","1") = "8"
    & skf18("9","4","7","5","1","2","1") = "8"
    & skf18("9","4","7","5","1","3","1") = "8"
    & skf18("9","4","7","5","1","4","1") = "8"
    & skf18("9","4","7","5","1","5","1") = "8"
    & skf18("9","4","7","5","1","6","1") = "8"
    & skf18("9","4","7","5","1","7","1") = "8"
    & skf18("9","4","7","5","1","8","1") = "8"
    & skf18("9","4","7","5","1","9","1") = "8"
    & skf18("9","4","7","5","1","10","1") = "9"
    & skf18("9","4","7","5","2","1","1") = "8"
    & skf18("9","4","7","5","2","2","1") = "8"
    & skf18("9","4","7","5","2","3","1") = "8"
    & skf18("9","4","7","5","2","4","1") = "8"
    & skf18("9","4","7","5","2","5","1") = "8"
    & skf18("9","4","7","5","2","6","1") = "8"
    & skf18("9","4","7","5","2","7","1") = "8"
    & skf18("9","4","7","5","2","8","1") = "8"
    & skf18("9","4","7","5","2","9","1") = "8"
    & skf18("9","4","7","5","2","10","1") = "9"
    & skf18("9","4","7","5","3","1","1") = "8"
    & skf18("9","4","7","5","3","2","1") = "8"
    & skf18("9","4","7","5","3","3","1") = "8"
    & skf18("9","4","7","5","3","4","1") = "8"
    & skf18("9","4","7","5","3","5","1") = "8"
    & skf18("9","4","7","5","3","6","1") = "8"
    & skf18("9","4","7","5","3","7","1") = "8"
    & skf18("9","4","7","5","3","8","1") = "8"
    & skf18("9","4","7","5","3","9","1") = "8"
    & skf18("9","4","7","5","3","10","1") = "9"
    & skf18("9","4","7","5","4","1","1") = "8"
    & skf18("9","4","7","5","4","2","1") = "8"
    & skf18("9","4","7","5","4","3","1") = "8"
    & skf18("9","4","7","5","4","4","1") = "8"
    & skf18("9","4","7","5","4","5","1") = "8"
    & skf18("9","4","7","5","4","6","1") = "8"
    & skf18("9","4","7","5","4","7","1") = "8"
    & skf18("9","4","7","5","4","8","1") = "8"
    & skf18("9","4","7","5","4","9","1") = "8"
    & skf18("9","4","7","5","4","10","1") = "9"
    & skf18("9","4","7","5","5","1","1") = "8"
    & skf18("9","4","7","5","5","2","1") = "8"
    & skf18("9","4","7","5","5","3","1") = "8"
    & skf18("9","4","7","5","5","4","1") = "8"
    & skf18("9","4","7","5","5","5","1") = "8"
    & skf18("9","4","7","5","5","6","1") = "8"
    & skf18("9","4","7","5","5","7","1") = "8"
    & skf18("9","4","7","5","5","8","1") = "8"
    & skf18("9","4","7","5","5","9","1") = "8"
    & skf18("9","4","7","5","5","10","1") = "9"
    & skf18("9","4","7","5","6","1","1") = "8"
    & skf18("9","4","7","5","6","2","1") = "8"
    & skf18("9","4","7","5","6","3","1") = "8"
    & skf18("9","4","7","5","6","4","1") = "8"
    & skf18("9","4","7","5","6","5","1") = "8"
    & skf18("9","4","7","5","6","6","1") = "8"
    & skf18("9","4","7","5","6","7","1") = "8"
    & skf18("9","4","7","5","6","8","1") = "8"
    & skf18("9","4","7","5","6","9","1") = "8"
    & skf18("9","4","7","5","6","10","1") = "9"
    & skf18("9","4","7","5","7","1","1") = "8"
    & skf18("9","4","7","5","7","2","1") = "8"
    & skf18("9","4","7","5","7","3","1") = "8"
    & skf18("9","4","7","5","7","4","1") = "8"
    & skf18("9","4","7","5","7","5","1") = "8"
    & skf18("9","4","7","5","7","6","1") = "8"
    & skf18("9","4","7","5","7","7","1") = "8"
    & skf18("9","4","7","5","7","8","1") = "8"
    & skf18("9","4","7","5","7","9","1") = "8"
    & skf18("9","4","7","5","7","10","1") = "9"
    & skf18("9","4","7","5","8","1","1") = "8"
    & skf18("9","4","7","5","8","2","1") = "8"
    & skf18("9","4","7","5","8","3","1") = "8"
    & skf18("9","4","7","5","8","4","1") = "8"
    & skf18("9","4","7","5","8","5","1") = "8"
    & skf18("9","4","7","5","8","6","1") = "8"
    & skf18("9","4","7","5","8","7","1") = "8"
    & skf18("9","4","7","5","8","8","1") = "8"
    & skf18("9","4","7","5","8","9","1") = "8"
    & skf18("9","4","7","5","8","10","1") = "9"
    & skf18("9","4","7","5","9","1","1") = "8"
    & skf18("9","4","7","5","9","2","1") = "8"
    & skf18("9","4","7","5","9","3","1") = "8"
    & skf18("9","4","7","5","9","4","1") = "8"
    & skf18("9","4","7","5","9","5","1") = "8"
    & skf18("9","4","7","5","9","6","1") = "8"
    & skf18("9","4","7","5","9","7","1") = "8"
    & skf18("9","4","7","5","9","8","1") = "8"
    & skf18("9","4","7","5","9","9","1") = "8"
    & skf18("9","4","7","5","9","10","1") = "9"
    & skf18("9","4","7","5","10","1","1") = "9"
    & skf18("9","4","7","5","10","2","1") = "9"
    & skf18("9","4","7","5","10","3","1") = "9"
    & skf18("9","4","7","5","10","4","1") = "9"
    & skf18("9","4","7","5","10","5","1") = "9"
    & skf18("9","4","7","5","10","6","1") = "9"
    & skf18("9","4","7","5","10","7","1") = "9"
    & skf18("9","4","7","5","10","8","1") = "9"
    & skf18("9","4","7","5","10","9","1") = "9"
    & skf18("9","4","7","5","10","10","1") = "9"
    & skf18("9","4","7","6","1","1","1") = "8"
    & skf18("9","4","7","6","1","2","1") = "8"
    & skf18("9","4","7","6","1","3","1") = "8"
    & skf18("9","4","7","6","1","4","1") = "8"
    & skf18("9","4","7","6","1","5","1") = "8"
    & skf18("9","4","7","6","1","6","1") = "8"
    & skf18("9","4","7","6","1","7","1") = "8"
    & skf18("9","4","7","6","1","8","1") = "8"
    & skf18("9","4","7","6","1","9","1") = "8"
    & skf18("9","4","7","6","1","10","1") = "9"
    & skf18("9","4","7","6","2","1","1") = "8"
    & skf18("9","4","7","6","2","2","1") = "8"
    & skf18("9","4","7","6","2","3","1") = "8"
    & skf18("9","4","7","6","2","4","1") = "8"
    & skf18("9","4","7","6","2","5","1") = "8"
    & skf18("9","4","7","6","2","6","1") = "8"
    & skf18("9","4","7","6","2","7","1") = "8"
    & skf18("9","4","7","6","2","8","1") = "8"
    & skf18("9","4","7","6","2","9","1") = "8"
    & skf18("9","4","7","6","2","10","1") = "9"
    & skf18("9","4","7","6","3","1","1") = "8"
    & skf18("9","4","7","6","3","2","1") = "8"
    & skf18("9","4","7","6","3","3","1") = "8"
    & skf18("9","4","7","6","3","4","1") = "8"
    & skf18("9","4","7","6","3","5","1") = "8"
    & skf18("9","4","7","6","3","6","1") = "8"
    & skf18("9","4","7","6","3","7","1") = "8"
    & skf18("9","4","7","6","3","8","1") = "8"
    & skf18("9","4","7","6","3","9","1") = "8"
    & skf18("9","4","7","6","3","10","1") = "9"
    & skf18("9","4","7","6","4","1","1") = "8"
    & skf18("9","4","7","6","4","2","1") = "8"
    & skf18("9","4","7","6","4","3","1") = "8"
    & skf18("9","4","7","6","4","4","1") = "8"
    & skf18("9","4","7","6","4","5","1") = "8"
    & skf18("9","4","7","6","4","6","1") = "8"
    & skf18("9","4","7","6","4","7","1") = "8"
    & skf18("9","4","7","6","4","8","1") = "8"
    & skf18("9","4","7","6","4","9","1") = "8"
    & skf18("9","4","7","6","4","10","1") = "9"
    & skf18("9","4","7","6","5","1","1") = "8"
    & skf18("9","4","7","6","5","2","1") = "8"
    & skf18("9","4","7","6","5","3","1") = "8"
    & skf18("9","4","7","6","5","4","1") = "8"
    & skf18("9","4","7","6","5","5","1") = "8"
    & skf18("9","4","7","6","5","6","1") = "8"
    & skf18("9","4","7","6","5","7","1") = "8"
    & skf18("9","4","7","6","5","8","1") = "8"
    & skf18("9","4","7","6","5","9","1") = "8"
    & skf18("9","4","7","6","5","10","1") = "9"
    & skf18("9","4","7","6","6","1","1") = "8"
    & skf18("9","4","7","6","6","2","1") = "8"
    & skf18("9","4","7","6","6","3","1") = "8"
    & skf18("9","4","7","6","6","4","1") = "8"
    & skf18("9","4","7","6","6","5","1") = "8"
    & skf18("9","4","7","6","6","6","1") = "8"
    & skf18("9","4","7","6","6","7","1") = "8"
    & skf18("9","4","7","6","6","8","1") = "8"
    & skf18("9","4","7","6","6","9","1") = "8"
    & skf18("9","4","7","6","6","10","1") = "9"
    & skf18("9","4","7","6","7","1","1") = "8"
    & skf18("9","4","7","6","7","2","1") = "8"
    & skf18("9","4","7","6","7","3","1") = "8"
    & skf18("9","4","7","6","7","4","1") = "8"
    & skf18("9","4","7","6","7","5","1") = "8"
    & skf18("9","4","7","6","7","6","1") = "8"
    & skf18("9","4","7","6","7","7","1") = "8"
    & skf18("9","4","7","6","7","8","1") = "8"
    & skf18("9","4","7","6","7","9","1") = "8"
    & skf18("9","4","7","6","7","10","1") = "9"
    & skf18("9","4","7","6","8","1","1") = "8"
    & skf18("9","4","7","6","8","2","1") = "8"
    & skf18("9","4","7","6","8","3","1") = "8"
    & skf18("9","4","7","6","8","4","1") = "8"
    & skf18("9","4","7","6","8","5","1") = "8"
    & skf18("9","4","7","6","8","6","1") = "8"
    & skf18("9","4","7","6","8","7","1") = "8"
    & skf18("9","4","7","6","8","8","1") = "8"
    & skf18("9","4","7","6","8","9","1") = "8"
    & skf18("9","4","7","6","8","10","1") = "9"
    & skf18("9","4","7","6","9","1","1") = "8"
    & skf18("9","4","7","6","9","2","1") = "8"
    & skf18("9","4","7","6","9","3","1") = "8"
    & skf18("9","4","7","6","9","4","1") = "8"
    & skf18("9","4","7","6","9","5","1") = "8"
    & skf18("9","4","7","6","9","6","1") = "8"
    & skf18("9","4","7","6","9","7","1") = "8"
    & skf18("9","4","7","6","9","8","1") = "8"
    & skf18("9","4","7","6","9","9","1") = "8"
    & skf18("9","4","7","6","9","10","1") = "9"
    & skf18("9","4","7","6","10","1","1") = "9"
    & skf18("9","4","7","6","10","2","1") = "9"
    & skf18("9","4","7","6","10","3","1") = "9"
    & skf18("9","4","7","6","10","4","1") = "9"
    & skf18("9","4","7","6","10","5","1") = "9"
    & skf18("9","4","7","6","10","6","1") = "9"
    & skf18("9","4","7","6","10","7","1") = "9"
    & skf18("9","4","7","6","10","8","1") = "9"
    & skf18("9","4","7","6","10","9","1") = "9"
    & skf18("9","4","7","6","10","10","1") = "9"
    & skf18("9","4","7","7","1","1","1") = "8"
    & skf18("9","4","7","7","1","2","1") = "8"
    & skf18("9","4","7","7","1","3","1") = "8"
    & skf18("9","4","7","7","1","4","1") = "8"
    & skf18("9","4","7","7","1","5","1") = "8"
    & skf18("9","4","7","7","1","6","1") = "8"
    & skf18("9","4","7","7","1","7","1") = "8"
    & skf18("9","4","7","7","1","8","1") = "8"
    & skf18("9","4","7","7","1","9","1") = "8"
    & skf18("9","4","7","7","1","10","1") = "9"
    & skf18("9","4","7","7","2","1","1") = "8"
    & skf18("9","4","7","7","2","2","1") = "8"
    & skf18("9","4","7","7","2","3","1") = "8"
    & skf18("9","4","7","7","2","4","1") = "8"
    & skf18("9","4","7","7","2","5","1") = "8"
    & skf18("9","4","7","7","2","6","1") = "8"
    & skf18("9","4","7","7","2","7","1") = "8"
    & skf18("9","4","7","7","2","8","1") = "8"
    & skf18("9","4","7","7","2","9","1") = "8"
    & skf18("9","4","7","7","2","10","1") = "9"
    & skf18("9","4","7","7","3","1","1") = "8"
    & skf18("9","4","7","7","3","2","1") = "8"
    & skf18("9","4","7","7","3","3","1") = "8"
    & skf18("9","4","7","7","3","4","1") = "8"
    & skf18("9","4","7","7","3","5","1") = "8"
    & skf18("9","4","7","7","3","6","1") = "8"
    & skf18("9","4","7","7","3","7","1") = "8"
    & skf18("9","4","7","7","3","8","1") = "8"
    & skf18("9","4","7","7","3","9","1") = "8"
    & skf18("9","4","7","7","3","10","1") = "9"
    & skf18("9","4","7","7","4","1","1") = "8"
    & skf18("9","4","7","7","4","2","1") = "8"
    & skf18("9","4","7","7","4","3","1") = "8"
    & skf18("9","4","7","7","4","4","1") = "8"
    & skf18("9","4","7","7","4","5","1") = "8"
    & skf18("9","4","7","7","4","6","1") = "8"
    & skf18("9","4","7","7","4","7","1") = "8"
    & skf18("9","4","7","7","4","8","1") = "8"
    & skf18("9","4","7","7","4","9","1") = "8"
    & skf18("9","4","7","7","4","10","1") = "9"
    & skf18("9","4","7","7","5","1","1") = "8"
    & skf18("9","4","7","7","5","2","1") = "8"
    & skf18("9","4","7","7","5","3","1") = "8"
    & skf18("9","4","7","7","5","4","1") = "8"
    & skf18("9","4","7","7","5","5","1") = "8"
    & skf18("9","4","7","7","5","6","1") = "8"
    & skf18("9","4","7","7","5","7","1") = "8"
    & skf18("9","4","7","7","5","8","1") = "8"
    & skf18("9","4","7","7","5","9","1") = "8"
    & skf18("9","4","7","7","5","10","1") = "9"
    & skf18("9","4","7","7","6","1","1") = "8"
    & skf18("9","4","7","7","6","2","1") = "8"
    & skf18("9","4","7","7","6","3","1") = "8"
    & skf18("9","4","7","7","6","4","1") = "8"
    & skf18("9","4","7","7","6","5","1") = "8"
    & skf18("9","4","7","7","6","6","1") = "8"
    & skf18("9","4","7","7","6","7","1") = "8"
    & skf18("9","4","7","7","6","8","1") = "8"
    & skf18("9","4","7","7","6","9","1") = "8"
    & skf18("9","4","7","7","6","10","1") = "9"
    & skf18("9","4","7","7","7","1","1") = "8"
    & skf18("9","4","7","7","7","2","1") = "8"
    & skf18("9","4","7","7","7","3","1") = "8"
    & skf18("9","4","7","7","7","4","1") = "8"
    & skf18("9","4","7","7","7","5","1") = "8"
    & skf18("9","4","7","7","7","6","1") = "8"
    & skf18("9","4","7","7","7","7","1") = "8"
    & skf18("9","4","7","7","7","8","1") = "8"
    & skf18("9","4","7","7","7","9","1") = "8"
    & skf18("9","4","7","7","7","10","1") = "9"
    & skf18("9","4","7","7","8","1","1") = "8"
    & skf18("9","4","7","7","8","2","1") = "8"
    & skf18("9","4","7","7","8","3","1") = "8"
    & skf18("9","4","7","7","8","4","1") = "8"
    & skf18("9","4","7","7","8","5","1") = "8"
    & skf18("9","4","7","7","8","6","1") = "8"
    & skf18("9","4","7","7","8","7","1") = "8"
    & skf18("9","4","7","7","8","8","1") = "8"
    & skf18("9","4","7","7","8","9","1") = "8"
    & skf18("9","4","7","7","8","10","1") = "9"
    & skf18("9","4","7","7","9","1","1") = "8"
    & skf18("9","4","7","7","9","2","1") = "8"
    & skf18("9","4","7","7","9","3","1") = "8"
    & skf18("9","4","7","7","9","4","1") = "8"
    & skf18("9","4","7","7","9","5","1") = "8"
    & skf18("9","4","7","7","9","6","1") = "8"
    & skf18("9","4","7","7","9","7","1") = "8"
    & skf18("9","4","7","7","9","8","1") = "8"
    & skf18("9","4","7","7","9","9","1") = "8"
    & skf18("9","4","7","7","9","10","1") = "9"
    & skf18("9","4","7","7","10","1","1") = "9"
    & skf18("9","4","7","7","10","2","1") = "9"
    & skf18("9","4","7","7","10","3","1") = "9"
    & skf18("9","4","7","7","10","4","1") = "9"
    & skf18("9","4","7","7","10","5","1") = "9"
    & skf18("9","4","7","7","10","6","1") = "9"
    & skf18("9","4","7","7","10","7","1") = "9"
    & skf18("9","4","7","7","10","8","1") = "9"
    & skf18("9","4","7","7","10","9","1") = "9"
    & skf18("9","4","7","7","10","10","1") = "9"
    & skf18("9","4","7","8","1","1","1") = "8"
    & skf18("9","4","7","8","1","2","1") = "8"
    & skf18("9","4","7","8","1","3","1") = "8"
    & skf18("9","4","7","8","1","4","1") = "8"
    & skf18("9","4","7","8","1","5","1") = "8"
    & skf18("9","4","7","8","1","6","1") = "8"
    & skf18("9","4","7","8","1","7","1") = "8"
    & skf18("9","4","7","8","1","8","1") = "8"
    & skf18("9","4","7","8","1","9","1") = "8"
    & skf18("9","4","7","8","1","10","1") = "9"
    & skf18("9","4","7","8","2","1","1") = "8"
    & skf18("9","4","7","8","2","2","1") = "8"
    & skf18("9","4","7","8","2","3","1") = "8"
    & skf18("9","4","7","8","2","4","1") = "8"
    & skf18("9","4","7","8","2","5","1") = "8"
    & skf18("9","4","7","8","2","6","1") = "8"
    & skf18("9","4","7","8","2","7","1") = "8"
    & skf18("9","4","7","8","2","8","1") = "8"
    & skf18("9","4","7","8","2","9","1") = "8"
    & skf18("9","4","7","8","2","10","1") = "9"
    & skf18("9","4","7","8","3","1","1") = "8"
    & skf18("9","4","7","8","3","2","1") = "8"
    & skf18("9","4","7","8","3","3","1") = "8"
    & skf18("9","4","7","8","3","4","1") = "8"
    & skf18("9","4","7","8","3","5","1") = "8"
    & skf18("9","4","7","8","3","6","1") = "8"
    & skf18("9","4","7","8","3","7","1") = "8"
    & skf18("9","4","7","8","3","8","1") = "8"
    & skf18("9","4","7","8","3","9","1") = "8"
    & skf18("9","4","7","8","3","10","1") = "9"
    & skf18("9","4","7","8","4","1","1") = "8"
    & skf18("9","4","7","8","4","2","1") = "8"
    & skf18("9","4","7","8","4","3","1") = "8"
    & skf18("9","4","7","8","4","4","1") = "8"
    & skf18("9","4","7","8","4","5","1") = "8"
    & skf18("9","4","7","8","4","6","1") = "8"
    & skf18("9","4","7","8","4","7","1") = "8"
    & skf18("9","4","7","8","4","8","1") = "8"
    & skf18("9","4","7","8","4","9","1") = "8"
    & skf18("9","4","7","8","4","10","1") = "9"
    & skf18("9","4","7","8","5","1","1") = "8"
    & skf18("9","4","7","8","5","2","1") = "8"
    & skf18("9","4","7","8","5","3","1") = "8"
    & skf18("9","4","7","8","5","4","1") = "8"
    & skf18("9","4","7","8","5","5","1") = "8"
    & skf18("9","4","7","8","5","6","1") = "8"
    & skf18("9","4","7","8","5","7","1") = "8"
    & skf18("9","4","7","8","5","8","1") = "8"
    & skf18("9","4","7","8","5","9","1") = "8"
    & skf18("9","4","7","8","5","10","1") = "9"
    & skf18("9","4","7","8","6","1","1") = "8"
    & skf18("9","4","7","8","6","2","1") = "8"
    & skf18("9","4","7","8","6","3","1") = "8"
    & skf18("9","4","7","8","6","4","1") = "8"
    & skf18("9","4","7","8","6","5","1") = "8"
    & skf18("9","4","7","8","6","6","1") = "8"
    & skf18("9","4","7","8","6","7","1") = "8"
    & skf18("9","4","7","8","6","8","1") = "8"
    & skf18("9","4","7","8","6","9","1") = "8"
    & skf18("9","4","7","8","6","10","1") = "9"
    & skf18("9","4","7","8","7","1","1") = "8"
    & skf18("9","4","7","8","7","2","1") = "8"
    & skf18("9","4","7","8","7","3","1") = "8"
    & skf18("9","4","7","8","7","4","1") = "8"
    & skf18("9","4","7","8","7","5","1") = "8"
    & skf18("9","4","7","8","7","6","1") = "8"
    & skf18("9","4","7","8","7","7","1") = "8"
    & skf18("9","4","7","8","7","8","1") = "8"
    & skf18("9","4","7","8","7","9","1") = "8"
    & skf18("9","4","7","8","7","10","1") = "9"
    & skf18("9","4","7","8","8","1","1") = "8"
    & skf18("9","4","7","8","8","2","1") = "8"
    & skf18("9","4","7","8","8","3","1") = "8"
    & skf18("9","4","7","8","8","4","1") = "8"
    & skf18("9","4","7","8","8","5","1") = "8"
    & skf18("9","4","7","8","8","6","1") = "8"
    & skf18("9","4","7","8","8","7","1") = "8"
    & skf18("9","4","7","8","8","8","1") = "8"
    & skf18("9","4","7","8","8","9","1") = "8"
    & skf18("9","4","7","8","8","10","1") = "9"
    & skf18("9","4","7","8","9","1","1") = "8"
    & skf18("9","4","7","8","9","2","1") = "8"
    & skf18("9","4","7","8","9","3","1") = "8"
    & skf18("9","4","7","8","9","4","1") = "8"
    & skf18("9","4","7","8","9","5","1") = "8"
    & skf18("9","4","7","8","9","6","1") = "8"
    & skf18("9","4","7","8","9","7","1") = "8"
    & skf18("9","4","7","8","9","8","1") = "8"
    & skf18("9","4","7","8","9","9","1") = "8"
    & skf18("9","4","7","8","9","10","1") = "9"
    & skf18("9","4","7","8","10","1","1") = "9"
    & skf18("9","4","7","8","10","2","1") = "9"
    & skf18("9","4","7","8","10","3","1") = "9"
    & skf18("9","4","7","8","10","4","1") = "9"
    & skf18("9","4","7","8","10","5","1") = "9"
    & skf18("9","4","7","8","10","6","1") = "9"
    & skf18("9","4","7","8","10","7","1") = "9"
    & skf18("9","4","7","8","10","8","1") = "9"
    & skf18("9","4","7","8","10","9","1") = "9"
    & skf18("9","4","7","8","10","10","1") = "9"
    & skf18("9","4","7","9","1","1","1") = "8"
    & skf18("9","4","7","9","1","2","1") = "8"
    & skf18("9","4","7","9","1","3","1") = "8"
    & skf18("9","4","7","9","1","4","1") = "8"
    & skf18("9","4","7","9","1","5","1") = "8"
    & skf18("9","4","7","9","1","6","1") = "8"
    & skf18("9","4","7","9","1","7","1") = "8"
    & skf18("9","4","7","9","1","8","1") = "8"
    & skf18("9","4","7","9","1","9","1") = "8"
    & skf18("9","4","7","9","1","10","1") = "9"
    & skf18("9","4","7","9","2","1","1") = "8"
    & skf18("9","4","7","9","2","2","1") = "8"
    & skf18("9","4","7","9","2","3","1") = "8"
    & skf18("9","4","7","9","2","4","1") = "8"
    & skf18("9","4","7","9","2","5","1") = "8"
    & skf18("9","4","7","9","2","6","1") = "8"
    & skf18("9","4","7","9","2","7","1") = "8"
    & skf18("9","4","7","9","2","8","1") = "8"
    & skf18("9","4","7","9","2","9","1") = "8"
    & skf18("9","4","7","9","2","10","1") = "9"
    & skf18("9","4","7","9","3","1","1") = "8"
    & skf18("9","4","7","9","3","2","1") = "8"
    & skf18("9","4","7","9","3","3","1") = "8"
    & skf18("9","4","7","9","3","4","1") = "8"
    & skf18("9","4","7","9","3","5","1") = "8"
    & skf18("9","4","7","9","3","6","1") = "8"
    & skf18("9","4","7","9","3","7","1") = "8"
    & skf18("9","4","7","9","3","8","1") = "8"
    & skf18("9","4","7","9","3","9","1") = "8"
    & skf18("9","4","7","9","3","10","1") = "9"
    & skf18("9","4","7","9","4","1","1") = "8"
    & skf18("9","4","7","9","4","2","1") = "8"
    & skf18("9","4","7","9","4","3","1") = "8"
    & skf18("9","4","7","9","4","4","1") = "8"
    & skf18("9","4","7","9","4","5","1") = "8"
    & skf18("9","4","7","9","4","6","1") = "8"
    & skf18("9","4","7","9","4","7","1") = "8"
    & skf18("9","4","7","9","4","8","1") = "8"
    & skf18("9","4","7","9","4","9","1") = "8"
    & skf18("9","4","7","9","4","10","1") = "9"
    & skf18("9","4","7","9","5","1","1") = "8"
    & skf18("9","4","7","9","5","2","1") = "8"
    & skf18("9","4","7","9","5","3","1") = "8"
    & skf18("9","4","7","9","5","4","1") = "8"
    & skf18("9","4","7","9","5","5","1") = "8"
    & skf18("9","4","7","9","5","6","1") = "8"
    & skf18("9","4","7","9","5","7","1") = "8"
    & skf18("9","4","7","9","5","8","1") = "8"
    & skf18("9","4","7","9","5","9","1") = "8"
    & skf18("9","4","7","9","5","10","1") = "9"
    & skf18("9","4","7","9","6","1","1") = "8"
    & skf18("9","4","7","9","6","2","1") = "8"
    & skf18("9","4","7","9","6","3","1") = "8"
    & skf18("9","4","7","9","6","4","1") = "8"
    & skf18("9","4","7","9","6","5","1") = "8"
    & skf18("9","4","7","9","6","6","1") = "8"
    & skf18("9","4","7","9","6","7","1") = "8"
    & skf18("9","4","7","9","6","8","1") = "8"
    & skf18("9","4","7","9","6","9","1") = "8"
    & skf18("9","4","7","9","6","10","1") = "9"
    & skf18("9","4","7","9","7","1","1") = "8"
    & skf18("9","4","7","9","7","2","1") = "8"
    & skf18("9","4","7","9","7","3","1") = "8"
    & skf18("9","4","7","9","7","4","1") = "8"
    & skf18("9","4","7","9","7","5","1") = "8"
    & skf18("9","4","7","9","7","6","1") = "8"
    & skf18("9","4","7","9","7","7","1") = "8"
    & skf18("9","4","7","9","7","8","1") = "8"
    & skf18("9","4","7","9","7","9","1") = "8"
    & skf18("9","4","7","9","7","10","1") = "9"
    & skf18("9","4","7","9","8","1","1") = "8"
    & skf18("9","4","7","9","8","2","1") = "8"
    & skf18("9","4","7","9","8","3","1") = "8"
    & skf18("9","4","7","9","8","4","1") = "8"
    & skf18("9","4","7","9","8","5","1") = "8"
    & skf18("9","4","7","9","8","6","1") = "8"
    & skf18("9","4","7","9","8","7","1") = "8"
    & skf18("9","4","7","9","8","8","1") = "8"
    & skf18("9","4","7","9","8","9","1") = "8"
    & skf18("9","4","7","9","8","10","1") = "9"
    & skf18("9","4","7","9","9","1","1") = "8"
    & skf18("9","4","7","9","9","2","1") = "8"
    & skf18("9","4","7","9","9","3","1") = "8"
    & skf18("9","4","7","9","9","4","1") = "8"
    & skf18("9","4","7","9","9","5","1") = "8"
    & skf18("9","4","7","9","9","6","1") = "8"
    & skf18("9","4","7","9","9","7","1") = "8"
    & skf18("9","4","7","9","9","8","1") = "8"
    & skf18("9","4","7","9","9","9","1") = "8"
    & skf18("9","4","7","9","9","10","1") = "9"
    & skf18("9","4","7","9","10","1","1") = "9"
    & skf18("9","4","7","9","10","2","1") = "9"
    & skf18("9","4","7","9","10","3","1") = "9"
    & skf18("9","4","7","9","10","4","1") = "9"
    & skf18("9","4","7","9","10","5","1") = "9"
    & skf18("9","4","7","9","10","6","1") = "9"
    & skf18("9","4","7","9","10","7","1") = "9"
    & skf18("9","4","7","9","10","8","1") = "9"
    & skf18("9","4","7","9","10","9","1") = "9"
    & skf18("9","4","7","9","10","10","1") = "9"
    & skf18("9","4","7","10","1","1","1") = "9"
    & skf18("9","4","7","10","1","2","1") = "9"
    & skf18("9","4","7","10","1","3","1") = "9"
    & skf18("9","4","7","10","1","4","1") = "9"
    & skf18("9","4","7","10","1","5","1") = "9"
    & skf18("9","4","7","10","1","6","1") = "9"
    & skf18("9","4","7","10","1","7","1") = "9"
    & skf18("9","4","7","10","1","8","1") = "9"
    & skf18("9","4","7","10","1","9","1") = "9"
    & skf18("9","4","7","10","1","10","1") = "9"
    & skf18("9","4","7","10","2","1","1") = "9"
    & skf18("9","4","7","10","2","2","1") = "9"
    & skf18("9","4","7","10","2","3","1") = "9"
    & skf18("9","4","7","10","2","4","1") = "9"
    & skf18("9","4","7","10","2","5","1") = "9"
    & skf18("9","4","7","10","2","6","1") = "9"
    & skf18("9","4","7","10","2","7","1") = "9"
    & skf18("9","4","7","10","2","8","1") = "9"
    & skf18("9","4","7","10","2","9","1") = "9"
    & skf18("9","4","7","10","2","10","1") = "9"
    & skf18("9","4","7","10","3","1","1") = "9"
    & skf18("9","4","7","10","3","2","1") = "9"
    & skf18("9","4","7","10","3","3","1") = "9"
    & skf18("9","4","7","10","3","4","1") = "9"
    & skf18("9","4","7","10","3","5","1") = "9"
    & skf18("9","4","7","10","3","6","1") = "9"
    & skf18("9","4","7","10","3","7","1") = "9"
    & skf18("9","4","7","10","3","8","1") = "9"
    & skf18("9","4","7","10","3","9","1") = "9"
    & skf18("9","4","7","10","3","10","1") = "9"
    & skf18("9","4","7","10","4","1","1") = "9"
    & skf18("9","4","7","10","4","2","1") = "9"
    & skf18("9","4","7","10","4","3","1") = "9"
    & skf18("9","4","7","10","4","4","1") = "9"
    & skf18("9","4","7","10","4","5","1") = "9"
    & skf18("9","4","7","10","4","6","1") = "9"
    & skf18("9","4","7","10","4","7","1") = "9"
    & skf18("9","4","7","10","4","8","1") = "9"
    & skf18("9","4","7","10","4","9","1") = "9"
    & skf18("9","4","7","10","4","10","1") = "9"
    & skf18("9","4","7","10","5","1","1") = "9"
    & skf18("9","4","7","10","5","2","1") = "9"
    & skf18("9","4","7","10","5","3","1") = "9"
    & skf18("9","4","7","10","5","4","1") = "9"
    & skf18("9","4","7","10","5","5","1") = "9"
    & skf18("9","4","7","10","5","6","1") = "9"
    & skf18("9","4","7","10","5","7","1") = "9"
    & skf18("9","4","7","10","5","8","1") = "9"
    & skf18("9","4","7","10","5","9","1") = "9"
    & skf18("9","4","7","10","5","10","1") = "9"
    & skf18("9","4","7","10","6","1","1") = "9"
    & skf18("9","4","7","10","6","2","1") = "9"
    & skf18("9","4","7","10","6","3","1") = "9"
    & skf18("9","4","7","10","6","4","1") = "9"
    & skf18("9","4","7","10","6","5","1") = "9"
    & skf18("9","4","7","10","6","6","1") = "9"
    & skf18("9","4","7","10","6","7","1") = "9"
    & skf18("9","4","7","10","6","8","1") = "9"
    & skf18("9","4","7","10","6","9","1") = "9"
    & skf18("9","4","7","10","6","10","1") = "9"
    & skf18("9","4","7","10","7","1","1") = "9"
    & skf18("9","4","7","10","7","2","1") = "9"
    & skf18("9","4","7","10","7","3","1") = "9"
    & skf18("9","4","7","10","7","4","1") = "9"
    & skf18("9","4","7","10","7","5","1") = "9"
    & skf18("9","4","7","10","7","6","1") = "9"
    & skf18("9","4","7","10","7","7","1") = "9"
    & skf18("9","4","7","10","7","8","1") = "9"
    & skf18("9","4","7","10","7","9","1") = "9"
    & skf18("9","4","7","10","7","10","1") = "9"
    & skf18("9","4","7","10","8","1","1") = "9"
    & skf18("9","4","7","10","8","2","1") = "9"
    & skf18("9","4","7","10","8","3","1") = "9"
    & skf18("9","4","7","10","8","4","1") = "9"
    & skf18("9","4","7","10","8","5","1") = "9"
    & skf18("9","4","7","10","8","6","1") = "9"
    & skf18("9","4","7","10","8","7","1") = "9"
    & skf18("9","4","7","10","8","8","1") = "9"
    & skf18("9","4","7","10","8","9","1") = "9"
    & skf18("9","4","7","10","8","10","1") = "9"
    & skf18("9","4","7","10","9","1","1") = "9"
    & skf18("9","4","7","10","9","2","1") = "9"
    & skf18("9","4","7","10","9","3","1") = "9"
    & skf18("9","4","7","10","9","4","1") = "9"
    & skf18("9","4","7","10","9","5","1") = "9"
    & skf18("9","4","7","10","9","6","1") = "9"
    & skf18("9","4","7","10","9","7","1") = "9"
    & skf18("9","4","7","10","9","8","1") = "9"
    & skf18("9","4","7","10","9","9","1") = "9"
    & skf18("9","4","7","10","9","10","1") = "9"
    & skf18("9","4","7","10","10","1","1") = "9"
    & skf18("9","4","7","10","10","2","1") = "9"
    & skf18("9","4","7","10","10","3","1") = "9"
    & skf18("9","4","7","10","10","4","1") = "9"
    & skf18("9","4","7","10","10","5","1") = "9"
    & skf18("9","4","7","10","10","6","1") = "9"
    & skf18("9","4","7","10","10","7","1") = "9"
    & skf18("9","4","7","10","10","8","1") = "9"
    & skf18("9","4","7","10","10","9","1") = "9"
    & skf18("9","4","7","10","10","10","1") = "9"
    & skf18("9","4","8","1","1","1","1") = "8"
    & skf18("9","4","8","1","1","2","1") = "8"
    & skf18("9","4","8","1","1","3","1") = "8"
    & skf18("9","4","8","1","1","4","1") = "8"
    & skf18("9","4","8","1","1","5","1") = "8"
    & skf18("9","4","8","1","1","6","1") = "8"
    & skf18("9","4","8","1","1","7","1") = "8"
    & skf18("9","4","8","1","1","8","1") = "8"
    & skf18("9","4","8","1","1","9","1") = "8"
    & skf18("9","4","8","1","1","10","1") = "9"
    & skf18("9","4","8","1","2","1","1") = "8"
    & skf18("9","4","8","1","2","2","1") = "8"
    & skf18("9","4","8","1","2","3","1") = "8"
    & skf18("9","4","8","1","2","4","1") = "8"
    & skf18("9","4","8","1","2","5","1") = "8"
    & skf18("9","4","8","1","2","6","1") = "8"
    & skf18("9","4","8","1","2","7","1") = "8"
    & skf18("9","4","8","1","2","8","1") = "8"
    & skf18("9","4","8","1","2","9","1") = "8"
    & skf18("9","4","8","1","2","10","1") = "9"
    & skf18("9","4","8","1","3","1","1") = "8"
    & skf18("9","4","8","1","3","2","1") = "8"
    & skf18("9","4","8","1","3","3","1") = "8"
    & skf18("9","4","8","1","3","4","1") = "8"
    & skf18("9","4","8","1","3","5","1") = "8"
    & skf18("9","4","8","1","3","6","1") = "8"
    & skf18("9","4","8","1","3","7","1") = "8"
    & skf18("9","4","8","1","3","8","1") = "8"
    & skf18("9","4","8","1","3","9","1") = "8"
    & skf18("9","4","8","1","3","10","1") = "9"
    & skf18("9","4","8","1","4","1","1") = "8"
    & skf18("9","4","8","1","4","2","1") = "8"
    & skf18("9","4","8","1","4","3","1") = "8"
    & skf18("9","4","8","1","4","4","1") = "8"
    & skf18("9","4","8","1","4","5","1") = "8"
    & skf18("9","4","8","1","4","6","1") = "8"
    & skf18("9","4","8","1","4","7","1") = "8"
    & skf18("9","4","8","1","4","8","1") = "8"
    & skf18("9","4","8","1","4","9","1") = "8"
    & skf18("9","4","8","1","4","10","1") = "9"
    & skf18("9","4","8","1","5","1","1") = "8"
    & skf18("9","4","8","1","5","2","1") = "8"
    & skf18("9","4","8","1","5","3","1") = "8"
    & skf18("9","4","8","1","5","4","1") = "8"
    & skf18("9","4","8","1","5","5","1") = "8"
    & skf18("9","4","8","1","5","6","1") = "8"
    & skf18("9","4","8","1","5","7","1") = "8"
    & skf18("9","4","8","1","5","8","1") = "8"
    & skf18("9","4","8","1","5","9","1") = "8"
    & skf18("9","4","8","1","5","10","1") = "9"
    & skf18("9","4","8","1","6","1","1") = "8"
    & skf18("9","4","8","1","6","2","1") = "8"
    & skf18("9","4","8","1","6","3","1") = "8"
    & skf18("9","4","8","1","6","4","1") = "8"
    & skf18("9","4","8","1","6","5","1") = "8"
    & skf18("9","4","8","1","6","6","1") = "8"
    & skf18("9","4","8","1","6","7","1") = "8"
    & skf18("9","4","8","1","6","8","1") = "8"
    & skf18("9","4","8","1","6","9","1") = "8"
    & skf18("9","4","8","1","6","10","1") = "9"
    & skf18("9","4","8","1","7","1","1") = "8"
    & skf18("9","4","8","1","7","2","1") = "8"
    & skf18("9","4","8","1","7","3","1") = "8"
    & skf18("9","4","8","1","7","4","1") = "8"
    & skf18("9","4","8","1","7","5","1") = "8"
    & skf18("9","4","8","1","7","6","1") = "8"
    & skf18("9","4","8","1","7","7","1") = "8"
    & skf18("9","4","8","1","7","8","1") = "8"
    & skf18("9","4","8","1","7","9","1") = "8"
    & skf18("9","4","8","1","7","10","1") = "9"
    & skf18("9","4","8","1","8","1","1") = "8"
    & skf18("9","4","8","1","8","2","1") = "8"
    & skf18("9","4","8","1","8","3","1") = "8"
    & skf18("9","4","8","1","8","4","1") = "8"
    & skf18("9","4","8","1","8","5","1") = "8"
    & skf18("9","4","8","1","8","6","1") = "8"
    & skf18("9","4","8","1","8","7","1") = "8"
    & skf18("9","4","8","1","8","8","1") = "8"
    & skf18("9","4","8","1","8","9","1") = "8"
    & skf18("9","4","8","1","8","10","1") = "9"
    & skf18("9","4","8","1","9","1","1") = "8"
    & skf18("9","4","8","1","9","2","1") = "8"
    & skf18("9","4","8","1","9","3","1") = "8"
    & skf18("9","4","8","1","9","4","1") = "8"
    & skf18("9","4","8","1","9","5","1") = "8"
    & skf18("9","4","8","1","9","6","1") = "8"
    & skf18("9","4","8","1","9","7","1") = "8"
    & skf18("9","4","8","1","9","8","1") = "8"
    & skf18("9","4","8","1","9","9","1") = "8"
    & skf18("9","4","8","1","9","10","1") = "9"
    & skf18("9","4","8","1","10","1","1") = "9"
    & skf18("9","4","8","1","10","2","1") = "9"
    & skf18("9","4","8","1","10","3","1") = "9"
    & skf18("9","4","8","1","10","4","1") = "9"
    & skf18("9","4","8","1","10","5","1") = "9"
    & skf18("9","4","8","1","10","6","1") = "9"
    & skf18("9","4","8","1","10","7","1") = "9"
    & skf18("9","4","8","1","10","8","1") = "9"
    & skf18("9","4","8","1","10","9","1") = "9"
    & skf18("9","4","8","1","10","10","1") = "9"
    & skf18("9","4","8","2","1","1","1") = "8"
    & skf18("9","4","8","2","1","2","1") = "8"
    & skf18("9","4","8","2","1","3","1") = "8"
    & skf18("9","4","8","2","1","4","1") = "8"
    & skf18("9","4","8","2","1","5","1") = "8"
    & skf18("9","4","8","2","1","6","1") = "8"
    & skf18("9","4","8","2","1","7","1") = "8"
    & skf18("9","4","8","2","1","8","1") = "8"
    & skf18("9","4","8","2","1","9","1") = "8"
    & skf18("9","4","8","2","1","10","1") = "9"
    & skf18("9","4","8","2","2","1","1") = "8"
    & skf18("9","4","8","2","2","2","1") = "8"
    & skf18("9","4","8","2","2","3","1") = "8"
    & skf18("9","4","8","2","2","4","1") = "8"
    & skf18("9","4","8","2","2","5","1") = "8"
    & skf18("9","4","8","2","2","6","1") = "8"
    & skf18("9","4","8","2","2","7","1") = "8"
    & skf18("9","4","8","2","2","8","1") = "8"
    & skf18("9","4","8","2","2","9","1") = "8"
    & skf18("9","4","8","2","2","10","1") = "9"
    & skf18("9","4","8","2","3","1","1") = "8"
    & skf18("9","4","8","2","3","2","1") = "8"
    & skf18("9","4","8","2","3","3","1") = "8"
    & skf18("9","4","8","2","3","4","1") = "8"
    & skf18("9","4","8","2","3","5","1") = "8"
    & skf18("9","4","8","2","3","6","1") = "8"
    & skf18("9","4","8","2","3","7","1") = "8"
    & skf18("9","4","8","2","3","8","1") = "8"
    & skf18("9","4","8","2","3","9","1") = "8"
    & skf18("9","4","8","2","3","10","1") = "9"
    & skf18("9","4","8","2","4","1","1") = "8"
    & skf18("9","4","8","2","4","2","1") = "8"
    & skf18("9","4","8","2","4","3","1") = "8"
    & skf18("9","4","8","2","4","4","1") = "8"
    & skf18("9","4","8","2","4","5","1") = "8"
    & skf18("9","4","8","2","4","6","1") = "8"
    & skf18("9","4","8","2","4","7","1") = "8"
    & skf18("9","4","8","2","4","8","1") = "8"
    & skf18("9","4","8","2","4","9","1") = "8"
    & skf18("9","4","8","2","4","10","1") = "9"
    & skf18("9","4","8","2","5","1","1") = "8"
    & skf18("9","4","8","2","5","2","1") = "8"
    & skf18("9","4","8","2","5","3","1") = "8"
    & skf18("9","4","8","2","5","4","1") = "8"
    & skf18("9","4","8","2","5","5","1") = "8"
    & skf18("9","4","8","2","5","6","1") = "8"
    & skf18("9","4","8","2","5","7","1") = "8"
    & skf18("9","4","8","2","5","8","1") = "8"
    & skf18("9","4","8","2","5","9","1") = "8"
    & skf18("9","4","8","2","5","10","1") = "9"
    & skf18("9","4","8","2","6","1","1") = "8"
    & skf18("9","4","8","2","6","2","1") = "8"
    & skf18("9","4","8","2","6","3","1") = "8"
    & skf18("9","4","8","2","6","4","1") = "8"
    & skf18("9","4","8","2","6","5","1") = "8"
    & skf18("9","4","8","2","6","6","1") = "8"
    & skf18("9","4","8","2","6","7","1") = "8"
    & skf18("9","4","8","2","6","8","1") = "8"
    & skf18("9","4","8","2","6","9","1") = "8"
    & skf18("9","4","8","2","6","10","1") = "9"
    & skf18("9","4","8","2","7","1","1") = "8"
    & skf18("9","4","8","2","7","2","1") = "8"
    & skf18("9","4","8","2","7","3","1") = "8"
    & skf18("9","4","8","2","7","4","1") = "8"
    & skf18("9","4","8","2","7","5","1") = "8"
    & skf18("9","4","8","2","7","6","1") = "8"
    & skf18("9","4","8","2","7","7","1") = "8"
    & skf18("9","4","8","2","7","8","1") = "8"
    & skf18("9","4","8","2","7","9","1") = "8"
    & skf18("9","4","8","2","7","10","1") = "9"
    & skf18("9","4","8","2","8","1","1") = "8"
    & skf18("9","4","8","2","8","2","1") = "8"
    & skf18("9","4","8","2","8","3","1") = "8"
    & skf18("9","4","8","2","8","4","1") = "8"
    & skf18("9","4","8","2","8","5","1") = "8"
    & skf18("9","4","8","2","8","6","1") = "8"
    & skf18("9","4","8","2","8","7","1") = "8"
    & skf18("9","4","8","2","8","8","1") = "8"
    & skf18("9","4","8","2","8","9","1") = "8"
    & skf18("9","4","8","2","8","10","1") = "9"
    & skf18("9","4","8","2","9","1","1") = "8"
    & skf18("9","4","8","2","9","2","1") = "8"
    & skf18("9","4","8","2","9","3","1") = "8"
    & skf18("9","4","8","2","9","4","1") = "8"
    & skf18("9","4","8","2","9","5","1") = "8"
    & skf18("9","4","8","2","9","6","1") = "8"
    & skf18("9","4","8","2","9","7","1") = "8"
    & skf18("9","4","8","2","9","8","1") = "8"
    & skf18("9","4","8","2","9","9","1") = "8"
    & skf18("9","4","8","2","9","10","1") = "9"
    & skf18("9","4","8","2","10","1","1") = "9"
    & skf18("9","4","8","2","10","2","1") = "9"
    & skf18("9","4","8","2","10","3","1") = "9"
    & skf18("9","4","8","2","10","4","1") = "9"
    & skf18("9","4","8","2","10","5","1") = "9"
    & skf18("9","4","8","2","10","6","1") = "9"
    & skf18("9","4","8","2","10","7","1") = "9"
    & skf18("9","4","8","2","10","8","1") = "9"
    & skf18("9","4","8","2","10","9","1") = "9"
    & skf18("9","4","8","2","10","10","1") = "9"
    & skf18("9","4","8","3","1","1","1") = "8"
    & skf18("9","4","8","3","1","2","1") = "8"
    & skf18("9","4","8","3","1","3","1") = "8"
    & skf18("9","4","8","3","1","4","1") = "8"
    & skf18("9","4","8","3","1","5","1") = "8"
    & skf18("9","4","8","3","1","6","1") = "8"
    & skf18("9","4","8","3","1","7","1") = "8"
    & skf18("9","4","8","3","1","8","1") = "8"
    & skf18("9","4","8","3","1","9","1") = "8"
    & skf18("9","4","8","3","1","10","1") = "9"
    & skf18("9","4","8","3","2","1","1") = "8"
    & skf18("9","4","8","3","2","2","1") = "8"
    & skf18("9","4","8","3","2","3","1") = "8"
    & skf18("9","4","8","3","2","4","1") = "8"
    & skf18("9","4","8","3","2","5","1") = "8"
    & skf18("9","4","8","3","2","6","1") = "8"
    & skf18("9","4","8","3","2","7","1") = "8"
    & skf18("9","4","8","3","2","8","1") = "8"
    & skf18("9","4","8","3","2","9","1") = "8"
    & skf18("9","4","8","3","2","10","1") = "9"
    & skf18("9","4","8","3","3","1","1") = "8"
    & skf18("9","4","8","3","3","2","1") = "8"
    & skf18("9","4","8","3","3","3","1") = "8"
    & skf18("9","4","8","3","3","4","1") = "8"
    & skf18("9","4","8","3","3","5","1") = "8"
    & skf18("9","4","8","3","3","6","1") = "8"
    & skf18("9","4","8","3","3","7","1") = "8"
    & skf18("9","4","8","3","3","8","1") = "8"
    & skf18("9","4","8","3","3","9","1") = "8"
    & skf18("9","4","8","3","3","10","1") = "9"
    & skf18("9","4","8","3","4","1","1") = "8"
    & skf18("9","4","8","3","4","2","1") = "8"
    & skf18("9","4","8","3","4","3","1") = "8"
    & skf18("9","4","8","3","4","4","1") = "8"
    & skf18("9","4","8","3","4","5","1") = "8"
    & skf18("9","4","8","3","4","6","1") = "8"
    & skf18("9","4","8","3","4","7","1") = "8"
    & skf18("9","4","8","3","4","8","1") = "8"
    & skf18("9","4","8","3","4","9","1") = "8"
    & skf18("9","4","8","3","4","10","1") = "9"
    & skf18("9","4","8","3","5","1","1") = "8"
    & skf18("9","4","8","3","5","2","1") = "8"
    & skf18("9","4","8","3","5","3","1") = "8"
    & skf18("9","4","8","3","5","4","1") = "8"
    & skf18("9","4","8","3","5","5","1") = "8"
    & skf18("9","4","8","3","5","6","1") = "8"
    & skf18("9","4","8","3","5","7","1") = "8"
    & skf18("9","4","8","3","5","8","1") = "8"
    & skf18("9","4","8","3","5","9","1") = "8"
    & skf18("9","4","8","3","5","10","1") = "9"
    & skf18("9","4","8","3","6","1","1") = "8"
    & skf18("9","4","8","3","6","2","1") = "8"
    & skf18("9","4","8","3","6","3","1") = "8"
    & skf18("9","4","8","3","6","4","1") = "8"
    & skf18("9","4","8","3","6","5","1") = "8"
    & skf18("9","4","8","3","6","6","1") = "8"
    & skf18("9","4","8","3","6","7","1") = "8"
    & skf18("9","4","8","3","6","8","1") = "8"
    & skf18("9","4","8","3","6","9","1") = "8"
    & skf18("9","4","8","3","6","10","1") = "9"
    & skf18("9","4","8","3","7","1","1") = "8"
    & skf18("9","4","8","3","7","2","1") = "8"
    & skf18("9","4","8","3","7","3","1") = "8"
    & skf18("9","4","8","3","7","4","1") = "8"
    & skf18("9","4","8","3","7","5","1") = "8"
    & skf18("9","4","8","3","7","6","1") = "8"
    & skf18("9","4","8","3","7","7","1") = "8"
    & skf18("9","4","8","3","7","8","1") = "8"
    & skf18("9","4","8","3","7","9","1") = "8"
    & skf18("9","4","8","3","7","10","1") = "9"
    & skf18("9","4","8","3","8","1","1") = "8"
    & skf18("9","4","8","3","8","2","1") = "8"
    & skf18("9","4","8","3","8","3","1") = "8"
    & skf18("9","4","8","3","8","4","1") = "8"
    & skf18("9","4","8","3","8","5","1") = "8"
    & skf18("9","4","8","3","8","6","1") = "8"
    & skf18("9","4","8","3","8","7","1") = "8"
    & skf18("9","4","8","3","8","8","1") = "8"
    & skf18("9","4","8","3","8","9","1") = "8"
    & skf18("9","4","8","3","8","10","1") = "9"
    & skf18("9","4","8","3","9","1","1") = "8"
    & skf18("9","4","8","3","9","2","1") = "8"
    & skf18("9","4","8","3","9","3","1") = "8"
    & skf18("9","4","8","3","9","4","1") = "8"
    & skf18("9","4","8","3","9","5","1") = "8"
    & skf18("9","4","8","3","9","6","1") = "8"
    & skf18("9","4","8","3","9","7","1") = "8"
    & skf18("9","4","8","3","9","8","1") = "8"
    & skf18("9","4","8","3","9","9","1") = "8"
    & skf18("9","4","8","3","9","10","1") = "9"
    & skf18("9","4","8","3","10","1","1") = "9"
    & skf18("9","4","8","3","10","2","1") = "9"
    & skf18("9","4","8","3","10","3","1") = "9"
    & skf18("9","4","8","3","10","4","1") = "9"
    & skf18("9","4","8","3","10","5","1") = "9"
    & skf18("9","4","8","3","10","6","1") = "9"
    & skf18("9","4","8","3","10","7","1") = "9"
    & skf18("9","4","8","3","10","8","1") = "9"
    & skf18("9","4","8","3","10","9","1") = "9"
    & skf18("9","4","8","3","10","10","1") = "9"
    & skf18("9","4","8","4","1","1","1") = "8"
    & skf18("9","4","8","4","1","2","1") = "8"
    & skf18("9","4","8","4","1","3","1") = "8"
    & skf18("9","4","8","4","1","4","1") = "8"
    & skf18("9","4","8","4","1","5","1") = "8"
    & skf18("9","4","8","4","1","6","1") = "8"
    & skf18("9","4","8","4","1","7","1") = "8"
    & skf18("9","4","8","4","1","8","1") = "8"
    & skf18("9","4","8","4","1","9","1") = "8"
    & skf18("9","4","8","4","1","10","1") = "9"
    & skf18("9","4","8","4","2","1","1") = "8"
    & skf18("9","4","8","4","2","2","1") = "8"
    & skf18("9","4","8","4","2","3","1") = "8"
    & skf18("9","4","8","4","2","4","1") = "8"
    & skf18("9","4","8","4","2","5","1") = "8"
    & skf18("9","4","8","4","2","6","1") = "8"
    & skf18("9","4","8","4","2","7","1") = "8"
    & skf18("9","4","8","4","2","8","1") = "8"
    & skf18("9","4","8","4","2","9","1") = "8"
    & skf18("9","4","8","4","2","10","1") = "9"
    & skf18("9","4","8","4","3","1","1") = "8"
    & skf18("9","4","8","4","3","2","1") = "8"
    & skf18("9","4","8","4","3","3","1") = "8"
    & skf18("9","4","8","4","3","4","1") = "8"
    & skf18("9","4","8","4","3","5","1") = "8"
    & skf18("9","4","8","4","3","6","1") = "8"
    & skf18("9","4","8","4","3","7","1") = "8"
    & skf18("9","4","8","4","3","8","1") = "8"
    & skf18("9","4","8","4","3","9","1") = "8"
    & skf18("9","4","8","4","3","10","1") = "9"
    & skf18("9","4","8","4","4","1","1") = "8"
    & skf18("9","4","8","4","4","2","1") = "8"
    & skf18("9","4","8","4","4","3","1") = "8"
    & skf18("9","4","8","4","4","4","1") = "8"
    & skf18("9","4","8","4","4","5","1") = "8"
    & skf18("9","4","8","4","4","6","1") = "8"
    & skf18("9","4","8","4","4","7","1") = "8"
    & skf18("9","4","8","4","4","8","1") = "8"
    & skf18("9","4","8","4","4","9","1") = "8"
    & skf18("9","4","8","4","4","10","1") = "9"
    & skf18("9","4","8","4","5","1","1") = "8"
    & skf18("9","4","8","4","5","2","1") = "8"
    & skf18("9","4","8","4","5","3","1") = "8"
    & skf18("9","4","8","4","5","4","1") = "8"
    & skf18("9","4","8","4","5","5","1") = "8"
    & skf18("9","4","8","4","5","6","1") = "8"
    & skf18("9","4","8","4","5","7","1") = "8"
    & skf18("9","4","8","4","5","8","1") = "8"
    & skf18("9","4","8","4","5","9","1") = "8"
    & skf18("9","4","8","4","5","10","1") = "9"
    & skf18("9","4","8","4","6","1","1") = "8"
    & skf18("9","4","8","4","6","2","1") = "8"
    & skf18("9","4","8","4","6","3","1") = "8"
    & skf18("9","4","8","4","6","4","1") = "8"
    & skf18("9","4","8","4","6","5","1") = "8"
    & skf18("9","4","8","4","6","6","1") = "8"
    & skf18("9","4","8","4","6","7","1") = "8"
    & skf18("9","4","8","4","6","8","1") = "8"
    & skf18("9","4","8","4","6","9","1") = "8"
    & skf18("9","4","8","4","6","10","1") = "9"
    & skf18("9","4","8","4","7","1","1") = "8"
    & skf18("9","4","8","4","7","2","1") = "8"
    & skf18("9","4","8","4","7","3","1") = "8"
    & skf18("9","4","8","4","7","4","1") = "8"
    & skf18("9","4","8","4","7","5","1") = "8"
    & skf18("9","4","8","4","7","6","1") = "8"
    & skf18("9","4","8","4","7","7","1") = "8"
    & skf18("9","4","8","4","7","8","1") = "8"
    & skf18("9","4","8","4","7","9","1") = "8"
    & skf18("9","4","8","4","7","10","1") = "9"
    & skf18("9","4","8","4","8","1","1") = "8"
    & skf18("9","4","8","4","8","2","1") = "8"
    & skf18("9","4","8","4","8","3","1") = "8"
    & skf18("9","4","8","4","8","4","1") = "8"
    & skf18("9","4","8","4","8","5","1") = "8"
    & skf18("9","4","8","4","8","6","1") = "8"
    & skf18("9","4","8","4","8","7","1") = "8"
    & skf18("9","4","8","4","8","8","1") = "8"
    & skf18("9","4","8","4","8","9","1") = "8"
    & skf18("9","4","8","4","8","10","1") = "9"
    & skf18("9","4","8","4","9","1","1") = "8"
    & skf18("9","4","8","4","9","2","1") = "8"
    & skf18("9","4","8","4","9","3","1") = "8"
    & skf18("9","4","8","4","9","4","1") = "8"
    & skf18("9","4","8","4","9","5","1") = "8"
    & skf18("9","4","8","4","9","6","1") = "8"
    & skf18("9","4","8","4","9","7","1") = "8"
    & skf18("9","4","8","4","9","8","1") = "8"
    & skf18("9","4","8","4","9","9","1") = "8"
    & skf18("9","4","8","4","9","10","1") = "9"
    & skf18("9","4","8","4","10","1","1") = "9"
    & skf18("9","4","8","4","10","2","1") = "9"
    & skf18("9","4","8","4","10","3","1") = "9"
    & skf18("9","4","8","4","10","4","1") = "9"
    & skf18("9","4","8","4","10","5","1") = "9"
    & skf18("9","4","8","4","10","6","1") = "9"
    & skf18("9","4","8","4","10","7","1") = "9"
    & skf18("9","4","8","4","10","8","1") = "9"
    & skf18("9","4","8","4","10","9","1") = "9"
    & skf18("9","4","8","4","10","10","1") = "9"
    & skf18("9","4","8","5","1","1","1") = "8"
    & skf18("9","4","8","5","1","2","1") = "8"
    & skf18("9","4","8","5","1","3","1") = "8"
    & skf18("9","4","8","5","1","4","1") = "8"
    & skf18("9","4","8","5","1","5","1") = "8"
    & skf18("9","4","8","5","1","6","1") = "8"
    & skf18("9","4","8","5","1","7","1") = "8"
    & skf18("9","4","8","5","1","8","1") = "8"
    & skf18("9","4","8","5","1","9","1") = "8"
    & skf18("9","4","8","5","1","10","1") = "9"
    & skf18("9","4","8","5","2","1","1") = "8"
    & skf18("9","4","8","5","2","2","1") = "8"
    & skf18("9","4","8","5","2","3","1") = "8"
    & skf18("9","4","8","5","2","4","1") = "8"
    & skf18("9","4","8","5","2","5","1") = "8"
    & skf18("9","4","8","5","2","6","1") = "8"
    & skf18("9","4","8","5","2","7","1") = "8"
    & skf18("9","4","8","5","2","8","1") = "8"
    & skf18("9","4","8","5","2","9","1") = "8"
    & skf18("9","4","8","5","2","10","1") = "9"
    & skf18("9","4","8","5","3","1","1") = "8"
    & skf18("9","4","8","5","3","2","1") = "8"
    & skf18("9","4","8","5","3","3","1") = "8"
    & skf18("9","4","8","5","3","4","1") = "8"
    & skf18("9","4","8","5","3","5","1") = "8"
    & skf18("9","4","8","5","3","6","1") = "8"
    & skf18("9","4","8","5","3","7","1") = "8"
    & skf18("9","4","8","5","3","8","1") = "8"
    & skf18("9","4","8","5","3","9","1") = "8"
    & skf18("9","4","8","5","3","10","1") = "9"
    & skf18("9","4","8","5","4","1","1") = "8"
    & skf18("9","4","8","5","4","2","1") = "8"
    & skf18("9","4","8","5","4","3","1") = "8"
    & skf18("9","4","8","5","4","4","1") = "8"
    & skf18("9","4","8","5","4","5","1") = "8"
    & skf18("9","4","8","5","4","6","1") = "8"
    & skf18("9","4","8","5","4","7","1") = "8"
    & skf18("9","4","8","5","4","8","1") = "8"
    & skf18("9","4","8","5","4","9","1") = "8"
    & skf18("9","4","8","5","4","10","1") = "9"
    & skf18("9","4","8","5","5","1","1") = "8"
    & skf18("9","4","8","5","5","2","1") = "8"
    & skf18("9","4","8","5","5","3","1") = "8"
    & skf18("9","4","8","5","5","4","1") = "8"
    & skf18("9","4","8","5","5","5","1") = "8"
    & skf18("9","4","8","5","5","6","1") = "8"
    & skf18("9","4","8","5","5","7","1") = "8"
    & skf18("9","4","8","5","5","8","1") = "8"
    & skf18("9","4","8","5","5","9","1") = "8"
    & skf18("9","4","8","5","5","10","1") = "9"
    & skf18("9","4","8","5","6","1","1") = "8"
    & skf18("9","4","8","5","6","2","1") = "8"
    & skf18("9","4","8","5","6","3","1") = "8"
    & skf18("9","4","8","5","6","4","1") = "8"
    & skf18("9","4","8","5","6","5","1") = "8"
    & skf18("9","4","8","5","6","6","1") = "8"
    & skf18("9","4","8","5","6","7","1") = "8"
    & skf18("9","4","8","5","6","8","1") = "8"
    & skf18("9","4","8","5","6","9","1") = "8"
    & skf18("9","4","8","5","6","10","1") = "9"
    & skf18("9","4","8","5","7","1","1") = "8"
    & skf18("9","4","8","5","7","2","1") = "8"
    & skf18("9","4","8","5","7","3","1") = "8"
    & skf18("9","4","8","5","7","4","1") = "8"
    & skf18("9","4","8","5","7","5","1") = "8"
    & skf18("9","4","8","5","7","6","1") = "8"
    & skf18("9","4","8","5","7","7","1") = "8"
    & skf18("9","4","8","5","7","8","1") = "8"
    & skf18("9","4","8","5","7","9","1") = "8"
    & skf18("9","4","8","5","7","10","1") = "9"
    & skf18("9","4","8","5","8","1","1") = "8"
    & skf18("9","4","8","5","8","2","1") = "8"
    & skf18("9","4","8","5","8","3","1") = "8"
    & skf18("9","4","8","5","8","4","1") = "8"
    & skf18("9","4","8","5","8","5","1") = "8"
    & skf18("9","4","8","5","8","6","1") = "8"
    & skf18("9","4","8","5","8","7","1") = "8"
    & skf18("9","4","8","5","8","8","1") = "8"
    & skf18("9","4","8","5","8","9","1") = "8"
    & skf18("9","4","8","5","8","10","1") = "9"
    & skf18("9","4","8","5","9","1","1") = "8"
    & skf18("9","4","8","5","9","2","1") = "8"
    & skf18("9","4","8","5","9","3","1") = "8"
    & skf18("9","4","8","5","9","4","1") = "8"
    & skf18("9","4","8","5","9","5","1") = "8"
    & skf18("9","4","8","5","9","6","1") = "8"
    & skf18("9","4","8","5","9","7","1") = "8"
    & skf18("9","4","8","5","9","8","1") = "8"
    & skf18("9","4","8","5","9","9","1") = "8"
    & skf18("9","4","8","5","9","10","1") = "9"
    & skf18("9","4","8","5","10","1","1") = "9"
    & skf18("9","4","8","5","10","2","1") = "9"
    & skf18("9","4","8","5","10","3","1") = "9"
    & skf18("9","4","8","5","10","4","1") = "9"
    & skf18("9","4","8","5","10","5","1") = "9"
    & skf18("9","4","8","5","10","6","1") = "9"
    & skf18("9","4","8","5","10","7","1") = "9"
    & skf18("9","4","8","5","10","8","1") = "9"
    & skf18("9","4","8","5","10","9","1") = "9"
    & skf18("9","4","8","5","10","10","1") = "9"
    & skf18("9","4","8","6","1","1","1") = "8"
    & skf18("9","4","8","6","1","2","1") = "8"
    & skf18("9","4","8","6","1","3","1") = "8"
    & skf18("9","4","8","6","1","4","1") = "8"
    & skf18("9","4","8","6","1","5","1") = "8"
    & skf18("9","4","8","6","1","6","1") = "8"
    & skf18("9","4","8","6","1","7","1") = "8"
    & skf18("9","4","8","6","1","8","1") = "8"
    & skf18("9","4","8","6","1","9","1") = "8"
    & skf18("9","4","8","6","1","10","1") = "9"
    & skf18("9","4","8","6","2","1","1") = "8"
    & skf18("9","4","8","6","2","2","1") = "8"
    & skf18("9","4","8","6","2","3","1") = "8"
    & skf18("9","4","8","6","2","4","1") = "8"
    & skf18("9","4","8","6","2","5","1") = "8"
    & skf18("9","4","8","6","2","6","1") = "8"
    & skf18("9","4","8","6","2","7","1") = "8"
    & skf18("9","4","8","6","2","8","1") = "8"
    & skf18("9","4","8","6","2","9","1") = "8"
    & skf18("9","4","8","6","2","10","1") = "9"
    & skf18("9","4","8","6","3","1","1") = "8"
    & skf18("9","4","8","6","3","2","1") = "8"
    & skf18("9","4","8","6","3","3","1") = "8"
    & skf18("9","4","8","6","3","4","1") = "8"
    & skf18("9","4","8","6","3","5","1") = "8"
    & skf18("9","4","8","6","3","6","1") = "8"
    & skf18("9","4","8","6","3","7","1") = "8"
    & skf18("9","4","8","6","3","8","1") = "8"
    & skf18("9","4","8","6","3","9","1") = "8"
    & skf18("9","4","8","6","3","10","1") = "9"
    & skf18("9","4","8","6","4","1","1") = "8"
    & skf18("9","4","8","6","4","2","1") = "8"
    & skf18("9","4","8","6","4","3","1") = "8"
    & skf18("9","4","8","6","4","4","1") = "8"
    & skf18("9","4","8","6","4","5","1") = "8"
    & skf18("9","4","8","6","4","6","1") = "8"
    & skf18("9","4","8","6","4","7","1") = "8"
    & skf18("9","4","8","6","4","8","1") = "8"
    & skf18("9","4","8","6","4","9","1") = "8"
    & skf18("9","4","8","6","4","10","1") = "9"
    & skf18("9","4","8","6","5","1","1") = "8"
    & skf18("9","4","8","6","5","2","1") = "8"
    & skf18("9","4","8","6","5","3","1") = "8"
    & skf18("9","4","8","6","5","4","1") = "8"
    & skf18("9","4","8","6","5","5","1") = "8"
    & skf18("9","4","8","6","5","6","1") = "8"
    & skf18("9","4","8","6","5","7","1") = "8"
    & skf18("9","4","8","6","5","8","1") = "8"
    & skf18("9","4","8","6","5","9","1") = "8"
    & skf18("9","4","8","6","5","10","1") = "9"
    & skf18("9","4","8","6","6","1","1") = "8"
    & skf18("9","4","8","6","6","2","1") = "8"
    & skf18("9","4","8","6","6","3","1") = "8"
    & skf18("9","4","8","6","6","4","1") = "8"
    & skf18("9","4","8","6","6","5","1") = "8"
    & skf18("9","4","8","6","6","6","1") = "8"
    & skf18("9","4","8","6","6","7","1") = "8"
    & skf18("9","4","8","6","6","8","1") = "8"
    & skf18("9","4","8","6","6","9","1") = "8"
    & skf18("9","4","8","6","6","10","1") = "9"
    & skf18("9","4","8","6","7","1","1") = "8"
    & skf18("9","4","8","6","7","2","1") = "8"
    & skf18("9","4","8","6","7","3","1") = "8"
    & skf18("9","4","8","6","7","4","1") = "8"
    & skf18("9","4","8","6","7","5","1") = "8"
    & skf18("9","4","8","6","7","6","1") = "8"
    & skf18("9","4","8","6","7","7","1") = "8"
    & skf18("9","4","8","6","7","8","1") = "8"
    & skf18("9","4","8","6","7","9","1") = "8"
    & skf18("9","4","8","6","7","10","1") = "9"
    & skf18("9","4","8","6","8","1","1") = "8"
    & skf18("9","4","8","6","8","2","1") = "8"
    & skf18("9","4","8","6","8","3","1") = "8"
    & skf18("9","4","8","6","8","4","1") = "8"
    & skf18("9","4","8","6","8","5","1") = "8"
    & skf18("9","4","8","6","8","6","1") = "8"
    & skf18("9","4","8","6","8","7","1") = "8"
    & skf18("9","4","8","6","8","8","1") = "8"
    & skf18("9","4","8","6","8","9","1") = "8"
    & skf18("9","4","8","6","8","10","1") = "9"
    & skf18("9","4","8","6","9","1","1") = "8"
    & skf18("9","4","8","6","9","2","1") = "8"
    & skf18("9","4","8","6","9","3","1") = "8"
    & skf18("9","4","8","6","9","4","1") = "8"
    & skf18("9","4","8","6","9","5","1") = "8"
    & skf18("9","4","8","6","9","6","1") = "8"
    & skf18("9","4","8","6","9","7","1") = "8"
    & skf18("9","4","8","6","9","8","1") = "8"
    & skf18("9","4","8","6","9","9","1") = "8"
    & skf18("9","4","8","6","9","10","1") = "9"
    & skf18("9","4","8","6","10","1","1") = "9"
    & skf18("9","4","8","6","10","2","1") = "9"
    & skf18("9","4","8","6","10","3","1") = "9"
    & skf18("9","4","8","6","10","4","1") = "9"
    & skf18("9","4","8","6","10","5","1") = "9"
    & skf18("9","4","8","6","10","6","1") = "9"
    & skf18("9","4","8","6","10","7","1") = "9"
    & skf18("9","4","8","6","10","8","1") = "9"
    & skf18("9","4","8","6","10","9","1") = "9"
    & skf18("9","4","8","6","10","10","1") = "9"
    & skf18("9","4","8","7","1","1","1") = "8"
    & skf18("9","4","8","7","1","2","1") = "8"
    & skf18("9","4","8","7","1","3","1") = "8"
    & skf18("9","4","8","7","1","4","1") = "8"
    & skf18("9","4","8","7","1","5","1") = "8"
    & skf18("9","4","8","7","1","6","1") = "8"
    & skf18("9","4","8","7","1","7","1") = "8"
    & skf18("9","4","8","7","1","8","1") = "8"
    & skf18("9","4","8","7","1","9","1") = "8"
    & skf18("9","4","8","7","1","10","1") = "9"
    & skf18("9","4","8","7","2","1","1") = "8"
    & skf18("9","4","8","7","2","2","1") = "8"
    & skf18("9","4","8","7","2","3","1") = "8"
    & skf18("9","4","8","7","2","4","1") = "8"
    & skf18("9","4","8","7","2","5","1") = "8"
    & skf18("9","4","8","7","2","6","1") = "8"
    & skf18("9","4","8","7","2","7","1") = "8"
    & skf18("9","4","8","7","2","8","1") = "8"
    & skf18("9","4","8","7","2","9","1") = "8"
    & skf18("9","4","8","7","2","10","1") = "9"
    & skf18("9","4","8","7","3","1","1") = "8"
    & skf18("9","4","8","7","3","2","1") = "8"
    & skf18("9","4","8","7","3","3","1") = "8"
    & skf18("9","4","8","7","3","4","1") = "8"
    & skf18("9","4","8","7","3","5","1") = "8"
    & skf18("9","4","8","7","3","6","1") = "8"
    & skf18("9","4","8","7","3","7","1") = "8"
    & skf18("9","4","8","7","3","8","1") = "8"
    & skf18("9","4","8","7","3","9","1") = "8"
    & skf18("9","4","8","7","3","10","1") = "9"
    & skf18("9","4","8","7","4","1","1") = "8"
    & skf18("9","4","8","7","4","2","1") = "8"
    & skf18("9","4","8","7","4","3","1") = "8"
    & skf18("9","4","8","7","4","4","1") = "8"
    & skf18("9","4","8","7","4","5","1") = "8"
    & skf18("9","4","8","7","4","6","1") = "8"
    & skf18("9","4","8","7","4","7","1") = "8"
    & skf18("9","4","8","7","4","8","1") = "8"
    & skf18("9","4","8","7","4","9","1") = "8"
    & skf18("9","4","8","7","4","10","1") = "9"
    & skf18("9","4","8","7","5","1","1") = "8"
    & skf18("9","4","8","7","5","2","1") = "8"
    & skf18("9","4","8","7","5","3","1") = "8"
    & skf18("9","4","8","7","5","4","1") = "8"
    & skf18("9","4","8","7","5","5","1") = "8"
    & skf18("9","4","8","7","5","6","1") = "8"
    & skf18("9","4","8","7","5","7","1") = "8"
    & skf18("9","4","8","7","5","8","1") = "8"
    & skf18("9","4","8","7","5","9","1") = "8"
    & skf18("9","4","8","7","5","10","1") = "9"
    & skf18("9","4","8","7","6","1","1") = "8"
    & skf18("9","4","8","7","6","2","1") = "8"
    & skf18("9","4","8","7","6","3","1") = "8"
    & skf18("9","4","8","7","6","4","1") = "8"
    & skf18("9","4","8","7","6","5","1") = "8"
    & skf18("9","4","8","7","6","6","1") = "8"
    & skf18("9","4","8","7","6","7","1") = "8"
    & skf18("9","4","8","7","6","8","1") = "8"
    & skf18("9","4","8","7","6","9","1") = "8"
    & skf18("9","4","8","7","6","10","1") = "9"
    & skf18("9","4","8","7","7","1","1") = "8"
    & skf18("9","4","8","7","7","2","1") = "8"
    & skf18("9","4","8","7","7","3","1") = "8"
    & skf18("9","4","8","7","7","4","1") = "8"
    & skf18("9","4","8","7","7","5","1") = "8"
    & skf18("9","4","8","7","7","6","1") = "8"
    & skf18("9","4","8","7","7","7","1") = "8"
    & skf18("9","4","8","7","7","8","1") = "8"
    & skf18("9","4","8","7","7","9","1") = "8"
    & skf18("9","4","8","7","7","10","1") = "9"
    & skf18("9","4","8","7","8","1","1") = "8"
    & skf18("9","4","8","7","8","2","1") = "8"
    & skf18("9","4","8","7","8","3","1") = "8"
    & skf18("9","4","8","7","8","4","1") = "8"
    & skf18("9","4","8","7","8","5","1") = "8"
    & skf18("9","4","8","7","8","6","1") = "8"
    & skf18("9","4","8","7","8","7","1") = "8"
    & skf18("9","4","8","7","8","8","1") = "8"
    & skf18("9","4","8","7","8","9","1") = "8"
    & skf18("9","4","8","7","8","10","1") = "9"
    & skf18("9","4","8","7","9","1","1") = "8"
    & skf18("9","4","8","7","9","2","1") = "8"
    & skf18("9","4","8","7","9","3","1") = "8"
    & skf18("9","4","8","7","9","4","1") = "8"
    & skf18("9","4","8","7","9","5","1") = "8"
    & skf18("9","4","8","7","9","6","1") = "8"
    & skf18("9","4","8","7","9","7","1") = "8"
    & skf18("9","4","8","7","9","8","1") = "8"
    & skf18("9","4","8","7","9","9","1") = "8"
    & skf18("9","4","8","7","9","10","1") = "9"
    & skf18("9","4","8","7","10","1","1") = "9"
    & skf18("9","4","8","7","10","2","1") = "9"
    & skf18("9","4","8","7","10","3","1") = "9"
    & skf18("9","4","8","7","10","4","1") = "9"
    & skf18("9","4","8","7","10","5","1") = "9"
    & skf18("9","4","8","7","10","6","1") = "9"
    & skf18("9","4","8","7","10","7","1") = "9"
    & skf18("9","4","8","7","10","8","1") = "9"
    & skf18("9","4","8","7","10","9","1") = "9"
    & skf18("9","4","8","7","10","10","1") = "9"
    & skf18("9","4","8","8","1","1","1") = "8"
    & skf18("9","4","8","8","1","2","1") = "8"
    & skf18("9","4","8","8","1","3","1") = "8"
    & skf18("9","4","8","8","1","4","1") = "8"
    & skf18("9","4","8","8","1","5","1") = "8"
    & skf18("9","4","8","8","1","6","1") = "8"
    & skf18("9","4","8","8","1","7","1") = "8"
    & skf18("9","4","8","8","1","8","1") = "8"
    & skf18("9","4","8","8","1","9","1") = "8"
    & skf18("9","4","8","8","1","10","1") = "9"
    & skf18("9","4","8","8","2","1","1") = "8"
    & skf18("9","4","8","8","2","2","1") = "8"
    & skf18("9","4","8","8","2","3","1") = "8"
    & skf18("9","4","8","8","2","4","1") = "8"
    & skf18("9","4","8","8","2","5","1") = "8"
    & skf18("9","4","8","8","2","6","1") = "8"
    & skf18("9","4","8","8","2","7","1") = "8"
    & skf18("9","4","8","8","2","8","1") = "8"
    & skf18("9","4","8","8","2","9","1") = "8"
    & skf18("9","4","8","8","2","10","1") = "9"
    & skf18("9","4","8","8","3","1","1") = "8"
    & skf18("9","4","8","8","3","2","1") = "8"
    & skf18("9","4","8","8","3","3","1") = "8"
    & skf18("9","4","8","8","3","4","1") = "8"
    & skf18("9","4","8","8","3","5","1") = "8"
    & skf18("9","4","8","8","3","6","1") = "8"
    & skf18("9","4","8","8","3","7","1") = "8"
    & skf18("9","4","8","8","3","8","1") = "8"
    & skf18("9","4","8","8","3","9","1") = "8"
    & skf18("9","4","8","8","3","10","1") = "9"
    & skf18("9","4","8","8","4","1","1") = "8"
    & skf18("9","4","8","8","4","2","1") = "8"
    & skf18("9","4","8","8","4","3","1") = "8"
    & skf18("9","4","8","8","4","4","1") = "8"
    & skf18("9","4","8","8","4","5","1") = "8"
    & skf18("9","4","8","8","4","6","1") = "8"
    & skf18("9","4","8","8","4","7","1") = "8"
    & skf18("9","4","8","8","4","8","1") = "8"
    & skf18("9","4","8","8","4","9","1") = "8"
    & skf18("9","4","8","8","4","10","1") = "9"
    & skf18("9","4","8","8","5","1","1") = "8"
    & skf18("9","4","8","8","5","2","1") = "8"
    & skf18("9","4","8","8","5","3","1") = "8"
    & skf18("9","4","8","8","5","4","1") = "8"
    & skf18("9","4","8","8","5","5","1") = "8"
    & skf18("9","4","8","8","5","6","1") = "8"
    & skf18("9","4","8","8","5","7","1") = "8"
    & skf18("9","4","8","8","5","8","1") = "8"
    & skf18("9","4","8","8","5","9","1") = "8"
    & skf18("9","4","8","8","5","10","1") = "9"
    & skf18("9","4","8","8","6","1","1") = "8"
    & skf18("9","4","8","8","6","2","1") = "8"
    & skf18("9","4","8","8","6","3","1") = "8"
    & skf18("9","4","8","8","6","4","1") = "8"
    & skf18("9","4","8","8","6","5","1") = "8"
    & skf18("9","4","8","8","6","6","1") = "8"
    & skf18("9","4","8","8","6","7","1") = "8"
    & skf18("9","4","8","8","6","8","1") = "8"
    & skf18("9","4","8","8","6","9","1") = "8"
    & skf18("9","4","8","8","6","10","1") = "9"
    & skf18("9","4","8","8","7","1","1") = "8"
    & skf18("9","4","8","8","7","2","1") = "8"
    & skf18("9","4","8","8","7","3","1") = "8"
    & skf18("9","4","8","8","7","4","1") = "8"
    & skf18("9","4","8","8","7","5","1") = "8"
    & skf18("9","4","8","8","7","6","1") = "8"
    & skf18("9","4","8","8","7","7","1") = "8"
    & skf18("9","4","8","8","7","8","1") = "8"
    & skf18("9","4","8","8","7","9","1") = "8"
    & skf18("9","4","8","8","7","10","1") = "9"
    & skf18("9","4","8","8","8","1","1") = "8"
    & skf18("9","4","8","8","8","2","1") = "8"
    & skf18("9","4","8","8","8","3","1") = "8"
    & skf18("9","4","8","8","8","4","1") = "8"
    & skf18("9","4","8","8","8","5","1") = "8"
    & skf18("9","4","8","8","8","6","1") = "8"
    & skf18("9","4","8","8","8","7","1") = "8"
    & skf18("9","4","8","8","8","8","1") = "8"
    & skf18("9","4","8","8","8","9","1") = "8"
    & skf18("9","4","8","8","8","10","1") = "9"
    & skf18("9","4","8","8","9","1","1") = "8"
    & skf18("9","4","8","8","9","2","1") = "8"
    & skf18("9","4","8","8","9","3","1") = "8"
    & skf18("9","4","8","8","9","4","1") = "8"
    & skf18("9","4","8","8","9","5","1") = "8"
    & skf18("9","4","8","8","9","6","1") = "8"
    & skf18("9","4","8","8","9","7","1") = "8"
    & skf18("9","4","8","8","9","8","1") = "8"
    & skf18("9","4","8","8","9","9","1") = "8"
    & skf18("9","4","8","8","9","10","1") = "9"
    & skf18("9","4","8","8","10","1","1") = "9"
    & skf18("9","4","8","8","10","2","1") = "9"
    & skf18("9","4","8","8","10","3","1") = "9"
    & skf18("9","4","8","8","10","4","1") = "9"
    & skf18("9","4","8","8","10","5","1") = "9"
    & skf18("9","4","8","8","10","6","1") = "9"
    & skf18("9","4","8","8","10","7","1") = "9"
    & skf18("9","4","8","8","10","8","1") = "9"
    & skf18("9","4","8","8","10","9","1") = "9"
    & skf18("9","4","8","8","10","10","1") = "9"
    & skf18("9","4","8","9","1","1","1") = "8"
    & skf18("9","4","8","9","1","2","1") = "8"
    & skf18("9","4","8","9","1","3","1") = "8"
    & skf18("9","4","8","9","1","4","1") = "8"
    & skf18("9","4","8","9","1","5","1") = "8"
    & skf18("9","4","8","9","1","6","1") = "8"
    & skf18("9","4","8","9","1","7","1") = "8"
    & skf18("9","4","8","9","1","8","1") = "8"
    & skf18("9","4","8","9","1","9","1") = "8"
    & skf18("9","4","8","9","1","10","1") = "9"
    & skf18("9","4","8","9","2","1","1") = "8"
    & skf18("9","4","8","9","2","2","1") = "8"
    & skf18("9","4","8","9","2","3","1") = "8"
    & skf18("9","4","8","9","2","4","1") = "8"
    & skf18("9","4","8","9","2","5","1") = "8"
    & skf18("9","4","8","9","2","6","1") = "8"
    & skf18("9","4","8","9","2","7","1") = "8"
    & skf18("9","4","8","9","2","8","1") = "8"
    & skf18("9","4","8","9","2","9","1") = "8"
    & skf18("9","4","8","9","2","10","1") = "9"
    & skf18("9","4","8","9","3","1","1") = "8"
    & skf18("9","4","8","9","3","2","1") = "8"
    & skf18("9","4","8","9","3","3","1") = "8"
    & skf18("9","4","8","9","3","4","1") = "8"
    & skf18("9","4","8","9","3","5","1") = "8"
    & skf18("9","4","8","9","3","6","1") = "8"
    & skf18("9","4","8","9","3","7","1") = "8"
    & skf18("9","4","8","9","3","8","1") = "8"
    & skf18("9","4","8","9","3","9","1") = "8"
    & skf18("9","4","8","9","3","10","1") = "9"
    & skf18("9","4","8","9","4","1","1") = "8"
    & skf18("9","4","8","9","4","2","1") = "8"
    & skf18("9","4","8","9","4","3","1") = "8"
    & skf18("9","4","8","9","4","4","1") = "8"
    & skf18("9","4","8","9","4","5","1") = "8"
    & skf18("9","4","8","9","4","6","1") = "8"
    & skf18("9","4","8","9","4","7","1") = "8"
    & skf18("9","4","8","9","4","8","1") = "8"
    & skf18("9","4","8","9","4","9","1") = "8"
    & skf18("9","4","8","9","4","10","1") = "9"
    & skf18("9","4","8","9","5","1","1") = "8"
    & skf18("9","4","8","9","5","2","1") = "8"
    & skf18("9","4","8","9","5","3","1") = "8"
    & skf18("9","4","8","9","5","4","1") = "8"
    & skf18("9","4","8","9","5","5","1") = "8"
    & skf18("9","4","8","9","5","6","1") = "8"
    & skf18("9","4","8","9","5","7","1") = "8"
    & skf18("9","4","8","9","5","8","1") = "8"
    & skf18("9","4","8","9","5","9","1") = "8"
    & skf18("9","4","8","9","5","10","1") = "9"
    & skf18("9","4","8","9","6","1","1") = "8"
    & skf18("9","4","8","9","6","2","1") = "8"
    & skf18("9","4","8","9","6","3","1") = "8"
    & skf18("9","4","8","9","6","4","1") = "8"
    & skf18("9","4","8","9","6","5","1") = "8"
    & skf18("9","4","8","9","6","6","1") = "8"
    & skf18("9","4","8","9","6","7","1") = "8"
    & skf18("9","4","8","9","6","8","1") = "8"
    & skf18("9","4","8","9","6","9","1") = "8"
    & skf18("9","4","8","9","6","10","1") = "9"
    & skf18("9","4","8","9","7","1","1") = "8"
    & skf18("9","4","8","9","7","2","1") = "8"
    & skf18("9","4","8","9","7","3","1") = "8"
    & skf18("9","4","8","9","7","4","1") = "8"
    & skf18("9","4","8","9","7","5","1") = "8"
    & skf18("9","4","8","9","7","6","1") = "8"
    & skf18("9","4","8","9","7","7","1") = "8"
    & skf18("9","4","8","9","7","8","1") = "8"
    & skf18("9","4","8","9","7","9","1") = "8"
    & skf18("9","4","8","9","7","10","1") = "9"
    & skf18("9","4","8","9","8","1","1") = "8"
    & skf18("9","4","8","9","8","2","1") = "8"
    & skf18("9","4","8","9","8","3","1") = "8"
    & skf18("9","4","8","9","8","4","1") = "8"
    & skf18("9","4","8","9","8","5","1") = "8"
    & skf18("9","4","8","9","8","6","1") = "8"
    & skf18("9","4","8","9","8","7","1") = "8"
    & skf18("9","4","8","9","8","8","1") = "8"
    & skf18("9","4","8","9","8","9","1") = "8"
    & skf18("9","4","8","9","8","10","1") = "9"
    & skf18("9","4","8","9","9","1","1") = "8"
    & skf18("9","4","8","9","9","2","1") = "8"
    & skf18("9","4","8","9","9","3","1") = "8"
    & skf18("9","4","8","9","9","4","1") = "8"
    & skf18("9","4","8","9","9","5","1") = "8"
    & skf18("9","4","8","9","9","6","1") = "8"
    & skf18("9","4","8","9","9","7","1") = "8"
    & skf18("9","4","8","9","9","8","1") = "8"
    & skf18("9","4","8","9","9","9","1") = "8"
    & skf18("9","4","8","9","9","10","1") = "9"
    & skf18("9","4","8","9","10","1","1") = "9"
    & skf18("9","4","8","9","10","2","1") = "9"
    & skf18("9","4","8","9","10","3","1") = "9"
    & skf18("9","4","8","9","10","4","1") = "9"
    & skf18("9","4","8","9","10","5","1") = "9"
    & skf18("9","4","8","9","10","6","1") = "9"
    & skf18("9","4","8","9","10","7","1") = "9"
    & skf18("9","4","8","9","10","8","1") = "9"
    & skf18("9","4","8","9","10","9","1") = "9"
    & skf18("9","4","8","9","10","10","1") = "9"
    & skf18("9","4","8","10","1","1","1") = "9"
    & skf18("9","4","8","10","1","2","1") = "9"
    & skf18("9","4","8","10","1","3","1") = "9"
    & skf18("9","4","8","10","1","4","1") = "9"
    & skf18("9","4","8","10","1","5","1") = "9"
    & skf18("9","4","8","10","1","6","1") = "9"
    & skf18("9","4","8","10","1","7","1") = "9"
    & skf18("9","4","8","10","1","8","1") = "9"
    & skf18("9","4","8","10","1","9","1") = "9"
    & skf18("9","4","8","10","1","10","1") = "9"
    & skf18("9","4","8","10","2","1","1") = "9"
    & skf18("9","4","8","10","2","2","1") = "9"
    & skf18("9","4","8","10","2","3","1") = "9"
    & skf18("9","4","8","10","2","4","1") = "9"
    & skf18("9","4","8","10","2","5","1") = "9"
    & skf18("9","4","8","10","2","6","1") = "9"
    & skf18("9","4","8","10","2","7","1") = "9"
    & skf18("9","4","8","10","2","8","1") = "9"
    & skf18("9","4","8","10","2","9","1") = "9"
    & skf18("9","4","8","10","2","10","1") = "9"
    & skf18("9","4","8","10","3","1","1") = "9"
    & skf18("9","4","8","10","3","2","1") = "9"
    & skf18("9","4","8","10","3","3","1") = "9"
    & skf18("9","4","8","10","3","4","1") = "9"
    & skf18("9","4","8","10","3","5","1") = "9"
    & skf18("9","4","8","10","3","6","1") = "9"
    & skf18("9","4","8","10","3","7","1") = "9"
    & skf18("9","4","8","10","3","8","1") = "9"
    & skf18("9","4","8","10","3","9","1") = "9"
    & skf18("9","4","8","10","3","10","1") = "9"
    & skf18("9","4","8","10","4","1","1") = "9"
    & skf18("9","4","8","10","4","2","1") = "9"
    & skf18("9","4","8","10","4","3","1") = "9"
    & skf18("9","4","8","10","4","4","1") = "9"
    & skf18("9","4","8","10","4","5","1") = "9"
    & skf18("9","4","8","10","4","6","1") = "9"
    & skf18("9","4","8","10","4","7","1") = "9"
    & skf18("9","4","8","10","4","8","1") = "9"
    & skf18("9","4","8","10","4","9","1") = "9"
    & skf18("9","4","8","10","4","10","1") = "9"
    & skf18("9","4","8","10","5","1","1") = "9"
    & skf18("9","4","8","10","5","2","1") = "9"
    & skf18("9","4","8","10","5","3","1") = "9"
    & skf18("9","4","8","10","5","4","1") = "9"
    & skf18("9","4","8","10","5","5","1") = "9"
    & skf18("9","4","8","10","5","6","1") = "9"
    & skf18("9","4","8","10","5","7","1") = "9"
    & skf18("9","4","8","10","5","8","1") = "9"
    & skf18("9","4","8","10","5","9","1") = "9"
    & skf18("9","4","8","10","5","10","1") = "9"
    & skf18("9","4","8","10","6","1","1") = "9"
    & skf18("9","4","8","10","6","2","1") = "9"
    & skf18("9","4","8","10","6","3","1") = "9"
    & skf18("9","4","8","10","6","4","1") = "9"
    & skf18("9","4","8","10","6","5","1") = "9"
    & skf18("9","4","8","10","6","6","1") = "9"
    & skf18("9","4","8","10","6","7","1") = "9"
    & skf18("9","4","8","10","6","8","1") = "9"
    & skf18("9","4","8","10","6","9","1") = "9"
    & skf18("9","4","8","10","6","10","1") = "9"
    & skf18("9","4","8","10","7","1","1") = "9"
    & skf18("9","4","8","10","7","2","1") = "9"
    & skf18("9","4","8","10","7","3","1") = "9"
    & skf18("9","4","8","10","7","4","1") = "9"
    & skf18("9","4","8","10","7","5","1") = "9"
    & skf18("9","4","8","10","7","6","1") = "9"
    & skf18("9","4","8","10","7","7","1") = "9"
    & skf18("9","4","8","10","7","8","1") = "9"
    & skf18("9","4","8","10","7","9","1") = "9"
    & skf18("9","4","8","10","7","10","1") = "9"
    & skf18("9","4","8","10","8","1","1") = "9"
    & skf18("9","4","8","10","8","2","1") = "9"
    & skf18("9","4","8","10","8","3","1") = "9"
    & skf18("9","4","8","10","8","4","1") = "9"
    & skf18("9","4","8","10","8","5","1") = "9"
    & skf18("9","4","8","10","8","6","1") = "9"
    & skf18("9","4","8","10","8","7","1") = "9"
    & skf18("9","4","8","10","8","8","1") = "9"
    & skf18("9","4","8","10","8","9","1") = "9"
    & skf18("9","4","8","10","8","10","1") = "9"
    & skf18("9","4","8","10","9","1","1") = "9"
    & skf18("9","4","8","10","9","2","1") = "9"
    & skf18("9","4","8","10","9","3","1") = "9"
    & skf18("9","4","8","10","9","4","1") = "9"
    & skf18("9","4","8","10","9","5","1") = "9"
    & skf18("9","4","8","10","9","6","1") = "9"
    & skf18("9","4","8","10","9","7","1") = "9"
    & skf18("9","4","8","10","9","8","1") = "9"
    & skf18("9","4","8","10","9","9","1") = "9"
    & skf18("9","4","8","10","9","10","1") = "9"
    & skf18("9","4","8","10","10","1","1") = "9"
    & skf18("9","4","8","10","10","2","1") = "9"
    & skf18("9","4","8","10","10","3","1") = "9"
    & skf18("9","4","8","10","10","4","1") = "9"
    & skf18("9","4","8","10","10","5","1") = "9"
    & skf18("9","4","8","10","10","6","1") = "9"
    & skf18("9","4","8","10","10","7","1") = "9"
    & skf18("9","4","8","10","10","8","1") = "9"
    & skf18("9","4","8","10","10","9","1") = "9"
    & skf18("9","4","8","10","10","10","1") = "9"
    & skf18("9","4","9","1","1","1","1") = "8"
    & skf18("9","4","9","1","1","2","1") = "8"
    & skf18("9","4","9","1","1","3","1") = "8"
    & skf18("9","4","9","1","1","4","1") = "8"
    & skf18("9","4","9","1","1","5","1") = "8"
    & skf18("9","4","9","1","1","6","1") = "8"
    & skf18("9","4","9","1","1","7","1") = "8"
    & skf18("9","4","9","1","1","8","1") = "8"
    & skf18("9","4","9","1","1","9","1") = "8"
    & skf18("9","4","9","1","1","10","1") = "9"
    & skf18("9","4","9","1","2","1","1") = "8"
    & skf18("9","4","9","1","2","2","1") = "8"
    & skf18("9","4","9","1","2","3","1") = "8"
    & skf18("9","4","9","1","2","4","1") = "8"
    & skf18("9","4","9","1","2","5","1") = "8"
    & skf18("9","4","9","1","2","6","1") = "8"
    & skf18("9","4","9","1","2","7","1") = "8"
    & skf18("9","4","9","1","2","8","1") = "8"
    & skf18("9","4","9","1","2","9","1") = "8"
    & skf18("9","4","9","1","2","10","1") = "9"
    & skf18("9","4","9","1","3","1","1") = "8"
    & skf18("9","4","9","1","3","2","1") = "8"
    & skf18("9","4","9","1","3","3","1") = "8"
    & skf18("9","4","9","1","3","4","1") = "8"
    & skf18("9","4","9","1","3","5","1") = "8"
    & skf18("9","4","9","1","3","6","1") = "8"
    & skf18("9","4","9","1","3","7","1") = "8"
    & skf18("9","4","9","1","3","8","1") = "8"
    & skf18("9","4","9","1","3","9","1") = "8"
    & skf18("9","4","9","1","3","10","1") = "9"
    & skf18("9","4","9","1","4","1","1") = "8"
    & skf18("9","4","9","1","4","2","1") = "8"
    & skf18("9","4","9","1","4","3","1") = "8"
    & skf18("9","4","9","1","4","4","1") = "8"
    & skf18("9","4","9","1","4","5","1") = "8"
    & skf18("9","4","9","1","4","6","1") = "8"
    & skf18("9","4","9","1","4","7","1") = "8"
    & skf18("9","4","9","1","4","8","1") = "8"
    & skf18("9","4","9","1","4","9","1") = "8"
    & skf18("9","4","9","1","4","10","1") = "9"
    & skf18("9","4","9","1","5","1","1") = "8"
    & skf18("9","4","9","1","5","2","1") = "8"
    & skf18("9","4","9","1","5","3","1") = "8"
    & skf18("9","4","9","1","5","4","1") = "8"
    & skf18("9","4","9","1","5","5","1") = "8"
    & skf18("9","4","9","1","5","6","1") = "8"
    & skf18("9","4","9","1","5","7","1") = "8"
    & skf18("9","4","9","1","5","8","1") = "8"
    & skf18("9","4","9","1","5","9","1") = "8"
    & skf18("9","4","9","1","5","10","1") = "9"
    & skf18("9","4","9","1","6","1","1") = "8"
    & skf18("9","4","9","1","6","2","1") = "8"
    & skf18("9","4","9","1","6","3","1") = "8"
    & skf18("9","4","9","1","6","4","1") = "8"
    & skf18("9","4","9","1","6","5","1") = "8"
    & skf18("9","4","9","1","6","6","1") = "8"
    & skf18("9","4","9","1","6","7","1") = "8"
    & skf18("9","4","9","1","6","8","1") = "8"
    & skf18("9","4","9","1","6","9","1") = "8"
    & skf18("9","4","9","1","6","10","1") = "9"
    & skf18("9","4","9","1","7","1","1") = "8"
    & skf18("9","4","9","1","7","2","1") = "8"
    & skf18("9","4","9","1","7","3","1") = "8"
    & skf18("9","4","9","1","7","4","1") = "8"
    & skf18("9","4","9","1","7","5","1") = "8"
    & skf18("9","4","9","1","7","6","1") = "8"
    & skf18("9","4","9","1","7","7","1") = "8"
    & skf18("9","4","9","1","7","8","1") = "8"
    & skf18("9","4","9","1","7","9","1") = "8"
    & skf18("9","4","9","1","7","10","1") = "9"
    & skf18("9","4","9","1","8","1","1") = "8"
    & skf18("9","4","9","1","8","2","1") = "8"
    & skf18("9","4","9","1","8","3","1") = "8"
    & skf18("9","4","9","1","8","4","1") = "8"
    & skf18("9","4","9","1","8","5","1") = "8"
    & skf18("9","4","9","1","8","6","1") = "8"
    & skf18("9","4","9","1","8","7","1") = "8"
    & skf18("9","4","9","1","8","8","1") = "8"
    & skf18("9","4","9","1","8","9","1") = "8"
    & skf18("9","4","9","1","8","10","1") = "9"
    & skf18("9","4","9","1","9","1","1") = "8"
    & skf18("9","4","9","1","9","2","1") = "8"
    & skf18("9","4","9","1","9","3","1") = "8"
    & skf18("9","4","9","1","9","4","1") = "8"
    & skf18("9","4","9","1","9","5","1") = "8"
    & skf18("9","4","9","1","9","6","1") = "8"
    & skf18("9","4","9","1","9","7","1") = "8"
    & skf18("9","4","9","1","9","8","1") = "8"
    & skf18("9","4","9","1","9","9","1") = "8"
    & skf18("9","4","9","1","9","10","1") = "9"
    & skf18("9","4","9","1","10","1","1") = "9"
    & skf18("9","4","9","1","10","2","1") = "9"
    & skf18("9","4","9","1","10","3","1") = "9"
    & skf18("9","4","9","1","10","4","1") = "9"
    & skf18("9","4","9","1","10","5","1") = "9"
    & skf18("9","4","9","1","10","6","1") = "9"
    & skf18("9","4","9","1","10","7","1") = "9"
    & skf18("9","4","9","1","10","8","1") = "9"
    & skf18("9","4","9","1","10","9","1") = "9"
    & skf18("9","4","9","1","10","10","1") = "9"
    & skf18("9","4","9","2","1","1","1") = "8"
    & skf18("9","4","9","2","1","2","1") = "8"
    & skf18("9","4","9","2","1","3","1") = "8"
    & skf18("9","4","9","2","1","4","1") = "8"
    & skf18("9","4","9","2","1","5","1") = "8"
    & skf18("9","4","9","2","1","6","1") = "8"
    & skf18("9","4","9","2","1","7","1") = "8"
    & skf18("9","4","9","2","1","8","1") = "8"
    & skf18("9","4","9","2","1","9","1") = "8"
    & skf18("9","4","9","2","1","10","1") = "9"
    & skf18("9","4","9","2","2","1","1") = "8"
    & skf18("9","4","9","2","2","2","1") = "8"
    & skf18("9","4","9","2","2","3","1") = "8"
    & skf18("9","4","9","2","2","4","1") = "8"
    & skf18("9","4","9","2","2","5","1") = "8"
    & skf18("9","4","9","2","2","6","1") = "8"
    & skf18("9","4","9","2","2","7","1") = "8"
    & skf18("9","4","9","2","2","8","1") = "8"
    & skf18("9","4","9","2","2","9","1") = "8"
    & skf18("9","4","9","2","2","10","1") = "9"
    & skf18("9","4","9","2","3","1","1") = "8"
    & skf18("9","4","9","2","3","2","1") = "8"
    & skf18("9","4","9","2","3","3","1") = "8"
    & skf18("9","4","9","2","3","4","1") = "8"
    & skf18("9","4","9","2","3","5","1") = "8"
    & skf18("9","4","9","2","3","6","1") = "8"
    & skf18("9","4","9","2","3","7","1") = "8"
    & skf18("9","4","9","2","3","8","1") = "8"
    & skf18("9","4","9","2","3","9","1") = "8"
    & skf18("9","4","9","2","3","10","1") = "9"
    & skf18("9","4","9","2","4","1","1") = "8"
    & skf18("9","4","9","2","4","2","1") = "8"
    & skf18("9","4","9","2","4","3","1") = "8"
    & skf18("9","4","9","2","4","4","1") = "8"
    & skf18("9","4","9","2","4","5","1") = "8"
    & skf18("9","4","9","2","4","6","1") = "8"
    & skf18("9","4","9","2","4","7","1") = "8"
    & skf18("9","4","9","2","4","8","1") = "8"
    & skf18("9","4","9","2","4","9","1") = "8"
    & skf18("9","4","9","2","4","10","1") = "9"
    & skf18("9","4","9","2","5","1","1") = "8"
    & skf18("9","4","9","2","5","2","1") = "8"
    & skf18("9","4","9","2","5","3","1") = "8"
    & skf18("9","4","9","2","5","4","1") = "8"
    & skf18("9","4","9","2","5","5","1") = "8"
    & skf18("9","4","9","2","5","6","1") = "8"
    & skf18("9","4","9","2","5","7","1") = "8"
    & skf18("9","4","9","2","5","8","1") = "8"
    & skf18("9","4","9","2","5","9","1") = "8"
    & skf18("9","4","9","2","5","10","1") = "9"
    & skf18("9","4","9","2","6","1","1") = "8"
    & skf18("9","4","9","2","6","2","1") = "8"
    & skf18("9","4","9","2","6","3","1") = "8"
    & skf18("9","4","9","2","6","4","1") = "8"
    & skf18("9","4","9","2","6","5","1") = "8"
    & skf18("9","4","9","2","6","6","1") = "8"
    & skf18("9","4","9","2","6","7","1") = "8"
    & skf18("9","4","9","2","6","8","1") = "8"
    & skf18("9","4","9","2","6","9","1") = "8"
    & skf18("9","4","9","2","6","10","1") = "9"
    & skf18("9","4","9","2","7","1","1") = "8"
    & skf18("9","4","9","2","7","2","1") = "8"
    & skf18("9","4","9","2","7","3","1") = "8"
    & skf18("9","4","9","2","7","4","1") = "8"
    & skf18("9","4","9","2","7","5","1") = "8"
    & skf18("9","4","9","2","7","6","1") = "8"
    & skf18("9","4","9","2","7","7","1") = "8"
    & skf18("9","4","9","2","7","8","1") = "8"
    & skf18("9","4","9","2","7","9","1") = "8"
    & skf18("9","4","9","2","7","10","1") = "9"
    & skf18("9","4","9","2","8","1","1") = "8"
    & skf18("9","4","9","2","8","2","1") = "8"
    & skf18("9","4","9","2","8","3","1") = "8"
    & skf18("9","4","9","2","8","4","1") = "8"
    & skf18("9","4","9","2","8","5","1") = "8"
    & skf18("9","4","9","2","8","6","1") = "8"
    & skf18("9","4","9","2","8","7","1") = "8"
    & skf18("9","4","9","2","8","8","1") = "8"
    & skf18("9","4","9","2","8","9","1") = "8"
    & skf18("9","4","9","2","8","10","1") = "9"
    & skf18("9","4","9","2","9","1","1") = "8"
    & skf18("9","4","9","2","9","2","1") = "8"
    & skf18("9","4","9","2","9","3","1") = "8"
    & skf18("9","4","9","2","9","4","1") = "8"
    & skf18("9","4","9","2","9","5","1") = "8"
    & skf18("9","4","9","2","9","6","1") = "8"
    & skf18("9","4","9","2","9","7","1") = "8"
    & skf18("9","4","9","2","9","8","1") = "8"
    & skf18("9","4","9","2","9","9","1") = "8"
    & skf18("9","4","9","2","9","10","1") = "9"
    & skf18("9","4","9","2","10","1","1") = "9"
    & skf18("9","4","9","2","10","2","1") = "9"
    & skf18("9","4","9","2","10","3","1") = "9"
    & skf18("9","4","9","2","10","4","1") = "9"
    & skf18("9","4","9","2","10","5","1") = "9"
    & skf18("9","4","9","2","10","6","1") = "9"
    & skf18("9","4","9","2","10","7","1") = "9"
    & skf18("9","4","9","2","10","8","1") = "9"
    & skf18("9","4","9","2","10","9","1") = "9"
    & skf18("9","4","9","2","10","10","1") = "9"
    & skf18("9","4","9","3","1","1","1") = "8"
    & skf18("9","4","9","3","1","2","1") = "8"
    & skf18("9","4","9","3","1","3","1") = "8"
    & skf18("9","4","9","3","1","4","1") = "8"
    & skf18("9","4","9","3","1","5","1") = "8"
    & skf18("9","4","9","3","1","6","1") = "8"
    & skf18("9","4","9","3","1","7","1") = "8"
    & skf18("9","4","9","3","1","8","1") = "8"
    & skf18("9","4","9","3","1","9","1") = "8"
    & skf18("9","4","9","3","1","10","1") = "9"
    & skf18("9","4","9","3","2","1","1") = "8"
    & skf18("9","4","9","3","2","2","1") = "8"
    & skf18("9","4","9","3","2","3","1") = "8"
    & skf18("9","4","9","3","2","4","1") = "8"
    & skf18("9","4","9","3","2","5","1") = "8"
    & skf18("9","4","9","3","2","6","1") = "8"
    & skf18("9","4","9","3","2","7","1") = "8"
    & skf18("9","4","9","3","2","8","1") = "8"
    & skf18("9","4","9","3","2","9","1") = "8"
    & skf18("9","4","9","3","2","10","1") = "9"
    & skf18("9","4","9","3","3","1","1") = "8"
    & skf18("9","4","9","3","3","2","1") = "8"
    & skf18("9","4","9","3","3","3","1") = "8"
    & skf18("9","4","9","3","3","4","1") = "8"
    & skf18("9","4","9","3","3","5","1") = "8"
    & skf18("9","4","9","3","3","6","1") = "8"
    & skf18("9","4","9","3","3","7","1") = "8"
    & skf18("9","4","9","3","3","8","1") = "8"
    & skf18("9","4","9","3","3","9","1") = "8"
    & skf18("9","4","9","3","3","10","1") = "9"
    & skf18("9","4","9","3","4","1","1") = "8"
    & skf18("9","4","9","3","4","2","1") = "8"
    & skf18("9","4","9","3","4","3","1") = "8"
    & skf18("9","4","9","3","4","4","1") = "8"
    & skf18("9","4","9","3","4","5","1") = "8"
    & skf18("9","4","9","3","4","6","1") = "8"
    & skf18("9","4","9","3","4","7","1") = "8"
    & skf18("9","4","9","3","4","8","1") = "8"
    & skf18("9","4","9","3","4","9","1") = "8"
    & skf18("9","4","9","3","4","10","1") = "9"
    & skf18("9","4","9","3","5","1","1") = "8"
    & skf18("9","4","9","3","5","2","1") = "8"
    & skf18("9","4","9","3","5","3","1") = "8"
    & skf18("9","4","9","3","5","4","1") = "8"
    & skf18("9","4","9","3","5","5","1") = "8"
    & skf18("9","4","9","3","5","6","1") = "8"
    & skf18("9","4","9","3","5","7","1") = "8"
    & skf18("9","4","9","3","5","8","1") = "8"
    & skf18("9","4","9","3","5","9","1") = "8"
    & skf18("9","4","9","3","5","10","1") = "9"
    & skf18("9","4","9","3","6","1","1") = "8"
    & skf18("9","4","9","3","6","2","1") = "8"
    & skf18("9","4","9","3","6","3","1") = "8"
    & skf18("9","4","9","3","6","4","1") = "8"
    & skf18("9","4","9","3","6","5","1") = "8"
    & skf18("9","4","9","3","6","6","1") = "8"
    & skf18("9","4","9","3","6","7","1") = "8"
    & skf18("9","4","9","3","6","8","1") = "8"
    & skf18("9","4","9","3","6","9","1") = "8"
    & skf18("9","4","9","3","6","10","1") = "9"
    & skf18("9","4","9","3","7","1","1") = "8"
    & skf18("9","4","9","3","7","2","1") = "8"
    & skf18("9","4","9","3","7","3","1") = "8"
    & skf18("9","4","9","3","7","4","1") = "8"
    & skf18("9","4","9","3","7","5","1") = "8"
    & skf18("9","4","9","3","7","6","1") = "8"
    & skf18("9","4","9","3","7","7","1") = "8"
    & skf18("9","4","9","3","7","8","1") = "8"
    & skf18("9","4","9","3","7","9","1") = "8"
    & skf18("9","4","9","3","7","10","1") = "9"
    & skf18("9","4","9","3","8","1","1") = "8"
    & skf18("9","4","9","3","8","2","1") = "8"
    & skf18("9","4","9","3","8","3","1") = "8"
    & skf18("9","4","9","3","8","4","1") = "8"
    & skf18("9","4","9","3","8","5","1") = "8"
    & skf18("9","4","9","3","8","6","1") = "8"
    & skf18("9","4","9","3","8","7","1") = "8"
    & skf18("9","4","9","3","8","8","1") = "8"
    & skf18("9","4","9","3","8","9","1") = "8"
    & skf18("9","4","9","3","8","10","1") = "9"
    & skf18("9","4","9","3","9","1","1") = "8"
    & skf18("9","4","9","3","9","2","1") = "8"
    & skf18("9","4","9","3","9","3","1") = "8"
    & skf18("9","4","9","3","9","4","1") = "8"
    & skf18("9","4","9","3","9","5","1") = "8"
    & skf18("9","4","9","3","9","6","1") = "8"
    & skf18("9","4","9","3","9","7","1") = "8"
    & skf18("9","4","9","3","9","8","1") = "8"
    & skf18("9","4","9","3","9","9","1") = "8"
    & skf18("9","4","9","3","9","10","1") = "9"
    & skf18("9","4","9","3","10","1","1") = "9"
    & skf18("9","4","9","3","10","2","1") = "9"
    & skf18("9","4","9","3","10","3","1") = "9"
    & skf18("9","4","9","3","10","4","1") = "9"
    & skf18("9","4","9","3","10","5","1") = "9"
    & skf18("9","4","9","3","10","6","1") = "9"
    & skf18("9","4","9","3","10","7","1") = "9"
    & skf18("9","4","9","3","10","8","1") = "9"
    & skf18("9","4","9","3","10","9","1") = "9"
    & skf18("9","4","9","3","10","10","1") = "9"
    & skf18("9","4","9","4","1","1","1") = "8"
    & skf18("9","4","9","4","1","2","1") = "8"
    & skf18("9","4","9","4","1","3","1") = "8"
    & skf18("9","4","9","4","1","4","1") = "8"
    & skf18("9","4","9","4","1","5","1") = "8"
    & skf18("9","4","9","4","1","6","1") = "8"
    & skf18("9","4","9","4","1","7","1") = "8"
    & skf18("9","4","9","4","1","8","1") = "8"
    & skf18("9","4","9","4","1","9","1") = "8"
    & skf18("9","4","9","4","1","10","1") = "9"
    & skf18("9","4","9","4","2","1","1") = "8"
    & skf18("9","4","9","4","2","2","1") = "8"
    & skf18("9","4","9","4","2","3","1") = "8"
    & skf18("9","4","9","4","2","4","1") = "8"
    & skf18("9","4","9","4","2","5","1") = "8"
    & skf18("9","4","9","4","2","6","1") = "8"
    & skf18("9","4","9","4","2","7","1") = "8"
    & skf18("9","4","9","4","2","8","1") = "8"
    & skf18("9","4","9","4","2","9","1") = "8"
    & skf18("9","4","9","4","2","10","1") = "9"
    & skf18("9","4","9","4","3","1","1") = "8"
    & skf18("9","4","9","4","3","2","1") = "8"
    & skf18("9","4","9","4","3","3","1") = "8"
    & skf18("9","4","9","4","3","4","1") = "8"
    & skf18("9","4","9","4","3","5","1") = "8"
    & skf18("9","4","9","4","3","6","1") = "8"
    & skf18("9","4","9","4","3","7","1") = "8"
    & skf18("9","4","9","4","3","8","1") = "8"
    & skf18("9","4","9","4","3","9","1") = "8"
    & skf18("9","4","9","4","3","10","1") = "9"
    & skf18("9","4","9","4","4","1","1") = "8"
    & skf18("9","4","9","4","4","2","1") = "8"
    & skf18("9","4","9","4","4","3","1") = "8"
    & skf18("9","4","9","4","4","4","1") = "8"
    & skf18("9","4","9","4","4","5","1") = "8"
    & skf18("9","4","9","4","4","6","1") = "8"
    & skf18("9","4","9","4","4","7","1") = "8"
    & skf18("9","4","9","4","4","8","1") = "8"
    & skf18("9","4","9","4","4","9","1") = "8"
    & skf18("9","4","9","4","4","10","1") = "9"
    & skf18("9","4","9","4","5","1","1") = "8"
    & skf18("9","4","9","4","5","2","1") = "8"
    & skf18("9","4","9","4","5","3","1") = "8"
    & skf18("9","4","9","4","5","4","1") = "8"
    & skf18("9","4","9","4","5","5","1") = "8"
    & skf18("9","4","9","4","5","6","1") = "8"
    & skf18("9","4","9","4","5","7","1") = "8"
    & skf18("9","4","9","4","5","8","1") = "8"
    & skf18("9","4","9","4","5","9","1") = "8"
    & skf18("9","4","9","4","5","10","1") = "9"
    & skf18("9","4","9","4","6","1","1") = "8"
    & skf18("9","4","9","4","6","2","1") = "8"
    & skf18("9","4","9","4","6","3","1") = "8"
    & skf18("9","4","9","4","6","4","1") = "8"
    & skf18("9","4","9","4","6","5","1") = "8"
    & skf18("9","4","9","4","6","6","1") = "8"
    & skf18("9","4","9","4","6","7","1") = "8"
    & skf18("9","4","9","4","6","8","1") = "8"
    & skf18("9","4","9","4","6","9","1") = "8"
    & skf18("9","4","9","4","6","10","1") = "9"
    & skf18("9","4","9","4","7","1","1") = "8"
    & skf18("9","4","9","4","7","2","1") = "8"
    & skf18("9","4","9","4","7","3","1") = "8"
    & skf18("9","4","9","4","7","4","1") = "8"
    & skf18("9","4","9","4","7","5","1") = "8"
    & skf18("9","4","9","4","7","6","1") = "8"
    & skf18("9","4","9","4","7","7","1") = "8"
    & skf18("9","4","9","4","7","8","1") = "8"
    & skf18("9","4","9","4","7","9","1") = "8"
    & skf18("9","4","9","4","7","10","1") = "9"
    & skf18("9","4","9","4","8","1","1") = "8"
    & skf18("9","4","9","4","8","2","1") = "8"
    & skf18("9","4","9","4","8","3","1") = "8"
    & skf18("9","4","9","4","8","4","1") = "8"
    & skf18("9","4","9","4","8","5","1") = "8"
    & skf18("9","4","9","4","8","6","1") = "8"
    & skf18("9","4","9","4","8","7","1") = "8"
    & skf18("9","4","9","4","8","8","1") = "8"
    & skf18("9","4","9","4","8","9","1") = "8"
    & skf18("9","4","9","4","8","10","1") = "9"
    & skf18("9","4","9","4","9","1","1") = "8"
    & skf18("9","4","9","4","9","2","1") = "8"
    & skf18("9","4","9","4","9","3","1") = "8"
    & skf18("9","4","9","4","9","4","1") = "8"
    & skf18("9","4","9","4","9","5","1") = "8"
    & skf18("9","4","9","4","9","6","1") = "8"
    & skf18("9","4","9","4","9","7","1") = "8"
    & skf18("9","4","9","4","9","8","1") = "8"
    & skf18("9","4","9","4","9","9","1") = "8"
    & skf18("9","4","9","4","9","10","1") = "9"
    & skf18("9","4","9","4","10","1","1") = "9"
    & skf18("9","4","9","4","10","2","1") = "9"
    & skf18("9","4","9","4","10","3","1") = "9"
    & skf18("9","4","9","4","10","4","1") = "9"
    & skf18("9","4","9","4","10","5","1") = "9"
    & skf18("9","4","9","4","10","6","1") = "9"
    & skf18("9","4","9","4","10","7","1") = "9"
    & skf18("9","4","9","4","10","8","1") = "9"
    & skf18("9","4","9","4","10","9","1") = "9"
    & skf18("9","4","9","4","10","10","1") = "9"
    & skf18("9","4","9","5","1","1","1") = "8"
    & skf18("9","4","9","5","1","2","1") = "8"
    & skf18("9","4","9","5","1","3","1") = "8"
    & skf18("9","4","9","5","1","4","1") = "8"
    & skf18("9","4","9","5","1","5","1") = "8"
    & skf18("9","4","9","5","1","6","1") = "8"
    & skf18("9","4","9","5","1","7","1") = "8"
    & skf18("9","4","9","5","1","8","1") = "8"
    & skf18("9","4","9","5","1","9","1") = "8"
    & skf18("9","4","9","5","1","10","1") = "9"
    & skf18("9","4","9","5","2","1","1") = "8"
    & skf18("9","4","9","5","2","2","1") = "8"
    & skf18("9","4","9","5","2","3","1") = "8"
    & skf18("9","4","9","5","2","4","1") = "8"
    & skf18("9","4","9","5","2","5","1") = "8"
    & skf18("9","4","9","5","2","6","1") = "8"
    & skf18("9","4","9","5","2","7","1") = "8"
    & skf18("9","4","9","5","2","8","1") = "8"
    & skf18("9","4","9","5","2","9","1") = "8"
    & skf18("9","4","9","5","2","10","1") = "9"
    & skf18("9","4","9","5","3","1","1") = "8"
    & skf18("9","4","9","5","3","2","1") = "8"
    & skf18("9","4","9","5","3","3","1") = "8"
    & skf18("9","4","9","5","3","4","1") = "8"
    & skf18("9","4","9","5","3","5","1") = "8"
    & skf18("9","4","9","5","3","6","1") = "8"
    & skf18("9","4","9","5","3","7","1") = "8"
    & skf18("9","4","9","5","3","8","1") = "8"
    & skf18("9","4","9","5","3","9","1") = "8"
    & skf18("9","4","9","5","3","10","1") = "9"
    & skf18("9","4","9","5","4","1","1") = "8"
    & skf18("9","4","9","5","4","2","1") = "8"
    & skf18("9","4","9","5","4","3","1") = "8"
    & skf18("9","4","9","5","4","4","1") = "8"
    & skf18("9","4","9","5","4","5","1") = "8"
    & skf18("9","4","9","5","4","6","1") = "8"
    & skf18("9","4","9","5","4","7","1") = "8"
    & skf18("9","4","9","5","4","8","1") = "8"
    & skf18("9","4","9","5","4","9","1") = "8"
    & skf18("9","4","9","5","4","10","1") = "9"
    & skf18("9","4","9","5","5","1","1") = "8"
    & skf18("9","4","9","5","5","2","1") = "8"
    & skf18("9","4","9","5","5","3","1") = "8"
    & skf18("9","4","9","5","5","4","1") = "8"
    & skf18("9","4","9","5","5","5","1") = "8"
    & skf18("9","4","9","5","5","6","1") = "8"
    & skf18("9","4","9","5","5","7","1") = "8"
    & skf18("9","4","9","5","5","8","1") = "8"
    & skf18("9","4","9","5","5","9","1") = "8"
    & skf18("9","4","9","5","5","10","1") = "9"
    & skf18("9","4","9","5","6","1","1") = "8"
    & skf18("9","4","9","5","6","2","1") = "8"
    & skf18("9","4","9","5","6","3","1") = "8"
    & skf18("9","4","9","5","6","4","1") = "8"
    & skf18("9","4","9","5","6","5","1") = "8"
    & skf18("9","4","9","5","6","6","1") = "8"
    & skf18("9","4","9","5","6","7","1") = "8"
    & skf18("9","4","9","5","6","8","1") = "8"
    & skf18("9","4","9","5","6","9","1") = "8"
    & skf18("9","4","9","5","6","10","1") = "9"
    & skf18("9","4","9","5","7","1","1") = "8"
    & skf18("9","4","9","5","7","2","1") = "8"
    & skf18("9","4","9","5","7","3","1") = "8"
    & skf18("9","4","9","5","7","4","1") = "8"
    & skf18("9","4","9","5","7","5","1") = "8"
    & skf18("9","4","9","5","7","6","1") = "8"
    & skf18("9","4","9","5","7","7","1") = "8"
    & skf18("9","4","9","5","7","8","1") = "8"
    & skf18("9","4","9","5","7","9","1") = "8"
    & skf18("9","4","9","5","7","10","1") = "9"
    & skf18("9","4","9","5","8","1","1") = "8"
    & skf18("9","4","9","5","8","2","1") = "8"
    & skf18("9","4","9","5","8","3","1") = "8"
    & skf18("9","4","9","5","8","4","1") = "8"
    & skf18("9","4","9","5","8","5","1") = "8"
    & skf18("9","4","9","5","8","6","1") = "8"
    & skf18("9","4","9","5","8","7","1") = "8"
    & skf18("9","4","9","5","8","8","1") = "8"
    & skf18("9","4","9","5","8","9","1") = "8"
    & skf18("9","4","9","5","8","10","1") = "9"
    & skf18("9","4","9","5","9","1","1") = "8"
    & skf18("9","4","9","5","9","2","1") = "8"
    & skf18("9","4","9","5","9","3","1") = "8"
    & skf18("9","4","9","5","9","4","1") = "8"
    & skf18("9","4","9","5","9","5","1") = "8"
    & skf18("9","4","9","5","9","6","1") = "8"
    & skf18("9","4","9","5","9","7","1") = "8"
    & skf18("9","4","9","5","9","8","1") = "8"
    & skf18("9","4","9","5","9","9","1") = "8"
    & skf18("9","4","9","5","9","10","1") = "9"
    & skf18("9","4","9","5","10","1","1") = "9"
    & skf18("9","4","9","5","10","2","1") = "9"
    & skf18("9","4","9","5","10","3","1") = "9"
    & skf18("9","4","9","5","10","4","1") = "9"
    & skf18("9","4","9","5","10","5","1") = "9"
    & skf18("9","4","9","5","10","6","1") = "9"
    & skf18("9","4","9","5","10","7","1") = "9"
    & skf18("9","4","9","5","10","8","1") = "9"
    & skf18("9","4","9","5","10","9","1") = "9"
    & skf18("9","4","9","5","10","10","1") = "9"
    & skf18("9","4","9","6","1","1","1") = "8"
    & skf18("9","4","9","6","1","2","1") = "8"
    & skf18("9","4","9","6","1","3","1") = "8"
    & skf18("9","4","9","6","1","4","1") = "8"
    & skf18("9","4","9","6","1","5","1") = "8"
    & skf18("9","4","9","6","1","6","1") = "8"
    & skf18("9","4","9","6","1","7","1") = "8"
    & skf18("9","4","9","6","1","8","1") = "8"
    & skf18("9","4","9","6","1","9","1") = "8"
    & skf18("9","4","9","6","1","10","1") = "9"
    & skf18("9","4","9","6","2","1","1") = "8"
    & skf18("9","4","9","6","2","2","1") = "8"
    & skf18("9","4","9","6","2","3","1") = "8"
    & skf18("9","4","9","6","2","4","1") = "8"
    & skf18("9","4","9","6","2","5","1") = "8"
    & skf18("9","4","9","6","2","6","1") = "8"
    & skf18("9","4","9","6","2","7","1") = "8"
    & skf18("9","4","9","6","2","8","1") = "8"
    & skf18("9","4","9","6","2","9","1") = "8"
    & skf18("9","4","9","6","2","10","1") = "9"
    & skf18("9","4","9","6","3","1","1") = "8"
    & skf18("9","4","9","6","3","2","1") = "8"
    & skf18("9","4","9","6","3","3","1") = "8"
    & skf18("9","4","9","6","3","4","1") = "8"
    & skf18("9","4","9","6","3","5","1") = "8"
    & skf18("9","4","9","6","3","6","1") = "8"
    & skf18("9","4","9","6","3","7","1") = "8"
    & skf18("9","4","9","6","3","8","1") = "8"
    & skf18("9","4","9","6","3","9","1") = "8"
    & skf18("9","4","9","6","3","10","1") = "9"
    & skf18("9","4","9","6","4","1","1") = "8"
    & skf18("9","4","9","6","4","2","1") = "8"
    & skf18("9","4","9","6","4","3","1") = "8"
    & skf18("9","4","9","6","4","4","1") = "8"
    & skf18("9","4","9","6","4","5","1") = "8"
    & skf18("9","4","9","6","4","6","1") = "8"
    & skf18("9","4","9","6","4","7","1") = "8"
    & skf18("9","4","9","6","4","8","1") = "8"
    & skf18("9","4","9","6","4","9","1") = "8"
    & skf18("9","4","9","6","4","10","1") = "9"
    & skf18("9","4","9","6","5","1","1") = "8"
    & skf18("9","4","9","6","5","2","1") = "8"
    & skf18("9","4","9","6","5","3","1") = "8"
    & skf18("9","4","9","6","5","4","1") = "8"
    & skf18("9","4","9","6","5","5","1") = "8"
    & skf18("9","4","9","6","5","6","1") = "8"
    & skf18("9","4","9","6","5","7","1") = "8"
    & skf18("9","4","9","6","5","8","1") = "8"
    & skf18("9","4","9","6","5","9","1") = "8"
    & skf18("9","4","9","6","5","10","1") = "9"
    & skf18("9","4","9","6","6","1","1") = "8"
    & skf18("9","4","9","6","6","2","1") = "8"
    & skf18("9","4","9","6","6","3","1") = "8"
    & skf18("9","4","9","6","6","4","1") = "8"
    & skf18("9","4","9","6","6","5","1") = "8"
    & skf18("9","4","9","6","6","6","1") = "8"
    & skf18("9","4","9","6","6","7","1") = "8"
    & skf18("9","4","9","6","6","8","1") = "8"
    & skf18("9","4","9","6","6","9","1") = "8"
    & skf18("9","4","9","6","6","10","1") = "9"
    & skf18("9","4","9","6","7","1","1") = "8"
    & skf18("9","4","9","6","7","2","1") = "8"
    & skf18("9","4","9","6","7","3","1") = "8"
    & skf18("9","4","9","6","7","4","1") = "8"
    & skf18("9","4","9","6","7","5","1") = "8"
    & skf18("9","4","9","6","7","6","1") = "8"
    & skf18("9","4","9","6","7","7","1") = "8"
    & skf18("9","4","9","6","7","8","1") = "8"
    & skf18("9","4","9","6","7","9","1") = "8"
    & skf18("9","4","9","6","7","10","1") = "9"
    & skf18("9","4","9","6","8","1","1") = "8"
    & skf18("9","4","9","6","8","2","1") = "8"
    & skf18("9","4","9","6","8","3","1") = "8"
    & skf18("9","4","9","6","8","4","1") = "8"
    & skf18("9","4","9","6","8","5","1") = "8"
    & skf18("9","4","9","6","8","6","1") = "8"
    & skf18("9","4","9","6","8","7","1") = "8"
    & skf18("9","4","9","6","8","8","1") = "8"
    & skf18("9","4","9","6","8","9","1") = "8"
    & skf18("9","4","9","6","8","10","1") = "9"
    & skf18("9","4","9","6","9","1","1") = "8"
    & skf18("9","4","9","6","9","2","1") = "8"
    & skf18("9","4","9","6","9","3","1") = "8"
    & skf18("9","4","9","6","9","4","1") = "8"
    & skf18("9","4","9","6","9","5","1") = "8"
    & skf18("9","4","9","6","9","6","1") = "8"
    & skf18("9","4","9","6","9","7","1") = "8"
    & skf18("9","4","9","6","9","8","1") = "8"
    & skf18("9","4","9","6","9","9","1") = "8"
    & skf18("9","4","9","6","9","10","1") = "9"
    & skf18("9","4","9","6","10","1","1") = "9"
    & skf18("9","4","9","6","10","2","1") = "9"
    & skf18("9","4","9","6","10","3","1") = "9"
    & skf18("9","4","9","6","10","4","1") = "9"
    & skf18("9","4","9","6","10","5","1") = "9"
    & skf18("9","4","9","6","10","6","1") = "9"
    & skf18("9","4","9","6","10","7","1") = "9"
    & skf18("9","4","9","6","10","8","1") = "9"
    & skf18("9","4","9","6","10","9","1") = "9"
    & skf18("9","4","9","6","10","10","1") = "9"
    & skf18("9","4","9","7","1","1","1") = "8"
    & skf18("9","4","9","7","1","2","1") = "8"
    & skf18("9","4","9","7","1","3","1") = "8"
    & skf18("9","4","9","7","1","4","1") = "8"
    & skf18("9","4","9","7","1","5","1") = "8"
    & skf18("9","4","9","7","1","6","1") = "8"
    & skf18("9","4","9","7","1","7","1") = "8"
    & skf18("9","4","9","7","1","8","1") = "8"
    & skf18("9","4","9","7","1","9","1") = "8"
    & skf18("9","4","9","7","1","10","1") = "9"
    & skf18("9","4","9","7","2","1","1") = "8"
    & skf18("9","4","9","7","2","2","1") = "8"
    & skf18("9","4","9","7","2","3","1") = "8"
    & skf18("9","4","9","7","2","4","1") = "8"
    & skf18("9","4","9","7","2","5","1") = "8"
    & skf18("9","4","9","7","2","6","1") = "8"
    & skf18("9","4","9","7","2","7","1") = "8"
    & skf18("9","4","9","7","2","8","1") = "8"
    & skf18("9","4","9","7","2","9","1") = "8"
    & skf18("9","4","9","7","2","10","1") = "9"
    & skf18("9","4","9","7","3","1","1") = "8"
    & skf18("9","4","9","7","3","2","1") = "8"
    & skf18("9","4","9","7","3","3","1") = "8"
    & skf18("9","4","9","7","3","4","1") = "8"
    & skf18("9","4","9","7","3","5","1") = "8"
    & skf18("9","4","9","7","3","6","1") = "8"
    & skf18("9","4","9","7","3","7","1") = "8"
    & skf18("9","4","9","7","3","8","1") = "8"
    & skf18("9","4","9","7","3","9","1") = "8"
    & skf18("9","4","9","7","3","10","1") = "9"
    & skf18("9","4","9","7","4","1","1") = "8"
    & skf18("9","4","9","7","4","2","1") = "8"
    & skf18("9","4","9","7","4","3","1") = "8"
    & skf18("9","4","9","7","4","4","1") = "8"
    & skf18("9","4","9","7","4","5","1") = "8"
    & skf18("9","4","9","7","4","6","1") = "8"
    & skf18("9","4","9","7","4","7","1") = "8"
    & skf18("9","4","9","7","4","8","1") = "8"
    & skf18("9","4","9","7","4","9","1") = "8"
    & skf18("9","4","9","7","4","10","1") = "9"
    & skf18("9","4","9","7","5","1","1") = "8"
    & skf18("9","4","9","7","5","2","1") = "8"
    & skf18("9","4","9","7","5","3","1") = "8"
    & skf18("9","4","9","7","5","4","1") = "8"
    & skf18("9","4","9","7","5","5","1") = "8"
    & skf18("9","4","9","7","5","6","1") = "8"
    & skf18("9","4","9","7","5","7","1") = "8"
    & skf18("9","4","9","7","5","8","1") = "8"
    & skf18("9","4","9","7","5","9","1") = "8"
    & skf18("9","4","9","7","5","10","1") = "9"
    & skf18("9","4","9","7","6","1","1") = "8"
    & skf18("9","4","9","7","6","2","1") = "8"
    & skf18("9","4","9","7","6","3","1") = "8"
    & skf18("9","4","9","7","6","4","1") = "8"
    & skf18("9","4","9","7","6","5","1") = "8"
    & skf18("9","4","9","7","6","6","1") = "8"
    & skf18("9","4","9","7","6","7","1") = "8"
    & skf18("9","4","9","7","6","8","1") = "8"
    & skf18("9","4","9","7","6","9","1") = "8"
    & skf18("9","4","9","7","6","10","1") = "9"
    & skf18("9","4","9","7","7","1","1") = "8"
    & skf18("9","4","9","7","7","2","1") = "8"
    & skf18("9","4","9","7","7","3","1") = "8"
    & skf18("9","4","9","7","7","4","1") = "8"
    & skf18("9","4","9","7","7","5","1") = "8"
    & skf18("9","4","9","7","7","6","1") = "8"
    & skf18("9","4","9","7","7","7","1") = "8"
    & skf18("9","4","9","7","7","8","1") = "8"
    & skf18("9","4","9","7","7","9","1") = "8"
    & skf18("9","4","9","7","7","10","1") = "9"
    & skf18("9","4","9","7","8","1","1") = "8"
    & skf18("9","4","9","7","8","2","1") = "8"
    & skf18("9","4","9","7","8","3","1") = "8"
    & skf18("9","4","9","7","8","4","1") = "8"
    & skf18("9","4","9","7","8","5","1") = "8"
    & skf18("9","4","9","7","8","6","1") = "8"
    & skf18("9","4","9","7","8","7","1") = "8"
    & skf18("9","4","9","7","8","8","1") = "8"
    & skf18("9","4","9","7","8","9","1") = "8"
    & skf18("9","4","9","7","8","10","1") = "9"
    & skf18("9","4","9","7","9","1","1") = "8"
    & skf18("9","4","9","7","9","2","1") = "8"
    & skf18("9","4","9","7","9","3","1") = "8"
    & skf18("9","4","9","7","9","4","1") = "8"
    & skf18("9","4","9","7","9","5","1") = "8"
    & skf18("9","4","9","7","9","6","1") = "8"
    & skf18("9","4","9","7","9","7","1") = "8"
    & skf18("9","4","9","7","9","8","1") = "8"
    & skf18("9","4","9","7","9","9","1") = "8"
    & skf18("9","4","9","7","9","10","1") = "9"
    & skf18("9","4","9","7","10","1","1") = "9"
    & skf18("9","4","9","7","10","2","1") = "9"
    & skf18("9","4","9","7","10","3","1") = "9"
    & skf18("9","4","9","7","10","4","1") = "9"
    & skf18("9","4","9","7","10","5","1") = "9"
    & skf18("9","4","9","7","10","6","1") = "9"
    & skf18("9","4","9","7","10","7","1") = "9"
    & skf18("9","4","9","7","10","8","1") = "9"
    & skf18("9","4","9","7","10","9","1") = "9"
    & skf18("9","4","9","7","10","10","1") = "9"
    & skf18("9","4","9","8","1","1","1") = "8"
    & skf18("9","4","9","8","1","2","1") = "8"
    & skf18("9","4","9","8","1","3","1") = "8"
    & skf18("9","4","9","8","1","4","1") = "8"
    & skf18("9","4","9","8","1","5","1") = "8"
    & skf18("9","4","9","8","1","6","1") = "8"
    & skf18("9","4","9","8","1","7","1") = "8"
    & skf18("9","4","9","8","1","8","1") = "8"
    & skf18("9","4","9","8","1","9","1") = "8"
    & skf18("9","4","9","8","1","10","1") = "9"
    & skf18("9","4","9","8","2","1","1") = "8"
    & skf18("9","4","9","8","2","2","1") = "8"
    & skf18("9","4","9","8","2","3","1") = "8"
    & skf18("9","4","9","8","2","4","1") = "8"
    & skf18("9","4","9","8","2","5","1") = "8"
    & skf18("9","4","9","8","2","6","1") = "8"
    & skf18("9","4","9","8","2","7","1") = "8"
    & skf18("9","4","9","8","2","8","1") = "8"
    & skf18("9","4","9","8","2","9","1") = "8"
    & skf18("9","4","9","8","2","10","1") = "9"
    & skf18("9","4","9","8","3","1","1") = "8"
    & skf18("9","4","9","8","3","2","1") = "8"
    & skf18("9","4","9","8","3","3","1") = "8"
    & skf18("9","4","9","8","3","4","1") = "8"
    & skf18("9","4","9","8","3","5","1") = "8"
    & skf18("9","4","9","8","3","6","1") = "8"
    & skf18("9","4","9","8","3","7","1") = "8"
    & skf18("9","4","9","8","3","8","1") = "8"
    & skf18("9","4","9","8","3","9","1") = "8"
    & skf18("9","4","9","8","3","10","1") = "9"
    & skf18("9","4","9","8","4","1","1") = "8"
    & skf18("9","4","9","8","4","2","1") = "8"
    & skf18("9","4","9","8","4","3","1") = "8"
    & skf18("9","4","9","8","4","4","1") = "8"
    & skf18("9","4","9","8","4","5","1") = "8"
    & skf18("9","4","9","8","4","6","1") = "8"
    & skf18("9","4","9","8","4","7","1") = "8"
    & skf18("9","4","9","8","4","8","1") = "8"
    & skf18("9","4","9","8","4","9","1") = "8"
    & skf18("9","4","9","8","4","10","1") = "9"
    & skf18("9","4","9","8","5","1","1") = "8"
    & skf18("9","4","9","8","5","2","1") = "8"
    & skf18("9","4","9","8","5","3","1") = "8"
    & skf18("9","4","9","8","5","4","1") = "8"
    & skf18("9","4","9","8","5","5","1") = "8"
    & skf18("9","4","9","8","5","6","1") = "8"
    & skf18("9","4","9","8","5","7","1") = "8"
    & skf18("9","4","9","8","5","8","1") = "8"
    & skf18("9","4","9","8","5","9","1") = "8"
    & skf18("9","4","9","8","5","10","1") = "9"
    & skf18("9","4","9","8","6","1","1") = "8"
    & skf18("9","4","9","8","6","2","1") = "8"
    & skf18("9","4","9","8","6","3","1") = "8"
    & skf18("9","4","9","8","6","4","1") = "8"
    & skf18("9","4","9","8","6","5","1") = "8"
    & skf18("9","4","9","8","6","6","1") = "8"
    & skf18("9","4","9","8","6","7","1") = "8"
    & skf18("9","4","9","8","6","8","1") = "8"
    & skf18("9","4","9","8","6","9","1") = "8"
    & skf18("9","4","9","8","6","10","1") = "9"
    & skf18("9","4","9","8","7","1","1") = "8"
    & skf18("9","4","9","8","7","2","1") = "8"
    & skf18("9","4","9","8","7","3","1") = "8"
    & skf18("9","4","9","8","7","4","1") = "8"
    & skf18("9","4","9","8","7","5","1") = "8"
    & skf18("9","4","9","8","7","6","1") = "8"
    & skf18("9","4","9","8","7","7","1") = "8"
    & skf18("9","4","9","8","7","8","1") = "8"
    & skf18("9","4","9","8","7","9","1") = "8"
    & skf18("9","4","9","8","7","10","1") = "9"
    & skf18("9","4","9","8","8","1","1") = "8"
    & skf18("9","4","9","8","8","2","1") = "8"
    & skf18("9","4","9","8","8","3","1") = "8"
    & skf18("9","4","9","8","8","4","1") = "8"
    & skf18("9","4","9","8","8","5","1") = "8"
    & skf18("9","4","9","8","8","6","1") = "8"
    & skf18("9","4","9","8","8","7","1") = "8"
    & skf18("9","4","9","8","8","8","1") = "8"
    & skf18("9","4","9","8","8","9","1") = "8"
    & skf18("9","4","9","8","8","10","1") = "9"
    & skf18("9","4","9","8","9","1","1") = "8"
    & skf18("9","4","9","8","9","2","1") = "8"
    & skf18("9","4","9","8","9","3","1") = "8"
    & skf18("9","4","9","8","9","4","1") = "8"
    & skf18("9","4","9","8","9","5","1") = "8"
    & skf18("9","4","9","8","9","6","1") = "8"
    & skf18("9","4","9","8","9","7","1") = "8"
    & skf18("9","4","9","8","9","8","1") = "8"
    & skf18("9","4","9","8","9","9","1") = "8"
    & skf18("9","4","9","8","9","10","1") = "9"
    & skf18("9","4","9","8","10","1","1") = "9"
    & skf18("9","4","9","8","10","2","1") = "9"
    & skf18("9","4","9","8","10","3","1") = "9"
    & skf18("9","4","9","8","10","4","1") = "9"
    & skf18("9","4","9","8","10","5","1") = "9"
    & skf18("9","4","9","8","10","6","1") = "9"
    & skf18("9","4","9","8","10","7","1") = "9"
    & skf18("9","4","9","8","10","8","1") = "9"
    & skf18("9","4","9","8","10","9","1") = "9"
    & skf18("9","4","9","8","10","10","1") = "9"
    & skf18("9","4","9","9","1","1","1") = "8"
    & skf18("9","4","9","9","1","2","1") = "8"
    & skf18("9","4","9","9","1","3","1") = "8"
    & skf18("9","4","9","9","1","4","1") = "8"
    & skf18("9","4","9","9","1","5","1") = "8"
    & skf18("9","4","9","9","1","6","1") = "8"
    & skf18("9","4","9","9","1","7","1") = "8"
    & skf18("9","4","9","9","1","8","1") = "8"
    & skf18("9","4","9","9","1","9","1") = "8"
    & skf18("9","4","9","9","1","10","1") = "9"
    & skf18("9","4","9","9","2","1","1") = "8"
    & skf18("9","4","9","9","2","2","1") = "8"
    & skf18("9","4","9","9","2","3","1") = "8"
    & skf18("9","4","9","9","2","4","1") = "8"
    & skf18("9","4","9","9","2","5","1") = "8"
    & skf18("9","4","9","9","2","6","1") = "8"
    & skf18("9","4","9","9","2","7","1") = "8"
    & skf18("9","4","9","9","2","8","1") = "8"
    & skf18("9","4","9","9","2","9","1") = "8"
    & skf18("9","4","9","9","2","10","1") = "9"
    & skf18("9","4","9","9","3","1","1") = "8"
    & skf18("9","4","9","9","3","2","1") = "8"
    & skf18("9","4","9","9","3","3","1") = "8"
    & skf18("9","4","9","9","3","4","1") = "8"
    & skf18("9","4","9","9","3","5","1") = "8"
    & skf18("9","4","9","9","3","6","1") = "8"
    & skf18("9","4","9","9","3","7","1") = "8"
    & skf18("9","4","9","9","3","8","1") = "8"
    & skf18("9","4","9","9","3","9","1") = "8"
    & skf18("9","4","9","9","3","10","1") = "9"
    & skf18("9","4","9","9","4","1","1") = "8"
    & skf18("9","4","9","9","4","2","1") = "8"
    & skf18("9","4","9","9","4","3","1") = "8"
    & skf18("9","4","9","9","4","4","1") = "8"
    & skf18("9","4","9","9","4","5","1") = "8"
    & skf18("9","4","9","9","4","6","1") = "8"
    & skf18("9","4","9","9","4","7","1") = "8"
    & skf18("9","4","9","9","4","8","1") = "8"
    & skf18("9","4","9","9","4","9","1") = "8"
    & skf18("9","4","9","9","4","10","1") = "9"
    & skf18("9","4","9","9","5","1","1") = "8"
    & skf18("9","4","9","9","5","2","1") = "8"
    & skf18("9","4","9","9","5","3","1") = "8"
    & skf18("9","4","9","9","5","4","1") = "8"
    & skf18("9","4","9","9","5","5","1") = "8"
    & skf18("9","4","9","9","5","6","1") = "8"
    & skf18("9","4","9","9","5","7","1") = "8"
    & skf18("9","4","9","9","5","8","1") = "8"
    & skf18("9","4","9","9","5","9","1") = "8"
    & skf18("9","4","9","9","5","10","1") = "9"
    & skf18("9","4","9","9","6","1","1") = "8"
    & skf18("9","4","9","9","6","2","1") = "8"
    & skf18("9","4","9","9","6","3","1") = "8"
    & skf18("9","4","9","9","6","4","1") = "8"
    & skf18("9","4","9","9","6","5","1") = "8"
    & skf18("9","4","9","9","6","6","1") = "8"
    & skf18("9","4","9","9","6","7","1") = "8"
    & skf18("9","4","9","9","6","8","1") = "8"
    & skf18("9","4","9","9","6","9","1") = "8"
    & skf18("9","4","9","9","6","10","1") = "9"
    & skf18("9","4","9","9","7","1","1") = "8"
    & skf18("9","4","9","9","7","2","1") = "8"
    & skf18("9","4","9","9","7","3","1") = "8"
    & skf18("9","4","9","9","7","4","1") = "8"
    & skf18("9","4","9","9","7","5","1") = "8"
    & skf18("9","4","9","9","7","6","1") = "8"
    & skf18("9","4","9","9","7","7","1") = "8"
    & skf18("9","4","9","9","7","8","1") = "8"
    & skf18("9","4","9","9","7","9","1") = "8"
    & skf18("9","4","9","9","7","10","1") = "9"
    & skf18("9","4","9","9","8","1","1") = "8"
    & skf18("9","4","9","9","8","2","1") = "8"
    & skf18("9","4","9","9","8","3","1") = "8"
    & skf18("9","4","9","9","8","4","1") = "8"
    & skf18("9","4","9","9","8","5","1") = "8"
    & skf18("9","4","9","9","8","6","1") = "8"
    & skf18("9","4","9","9","8","7","1") = "8"
    & skf18("9","4","9","9","8","8","1") = "8"
    & skf18("9","4","9","9","8","9","1") = "8"
    & skf18("9","4","9","9","8","10","1") = "9"
    & skf18("9","4","9","9","9","1","1") = "8"
    & skf18("9","4","9","9","9","2","1") = "8"
    & skf18("9","4","9","9","9","3","1") = "8"
    & skf18("9","4","9","9","9","4","1") = "8"
    & skf18("9","4","9","9","9","5","1") = "8"
    & skf18("9","4","9","9","9","6","1") = "8"
    & skf18("9","4","9","9","9","7","1") = "8"
    & skf18("9","4","9","9","9","8","1") = "8"
    & skf18("9","4","9","9","9","9","1") = "8"
    & skf18("9","4","9","9","9","10","1") = "9"
    & skf18("9","4","9","9","10","1","1") = "9"
    & skf18("9","4","9","9","10","2","1") = "9"
    & skf18("9","4","9","9","10","3","1") = "9"
    & skf18("9","4","9","9","10","4","1") = "9"
    & skf18("9","4","9","9","10","5","1") = "9"
    & skf18("9","4","9","9","10","6","1") = "9"
    & skf18("9","4","9","9","10","7","1") = "9"
    & skf18("9","4","9","9","10","8","1") = "9"
    & skf18("9","4","9","9","10","9","1") = "9"
    & skf18("9","4","9","9","10","10","1") = "9"
    & skf18("9","4","9","10","1","1","1") = "9"
    & skf18("9","4","9","10","1","2","1") = "9"
    & skf18("9","4","9","10","1","3","1") = "9"
    & skf18("9","4","9","10","1","4","1") = "9"
    & skf18("9","4","9","10","1","5","1") = "9"
    & skf18("9","4","9","10","1","6","1") = "9"
    & skf18("9","4","9","10","1","7","1") = "9"
    & skf18("9","4","9","10","1","8","1") = "9"
    & skf18("9","4","9","10","1","9","1") = "9"
    & skf18("9","4","9","10","1","10","1") = "9"
    & skf18("9","4","9","10","2","1","1") = "9"
    & skf18("9","4","9","10","2","2","1") = "9"
    & skf18("9","4","9","10","2","3","1") = "9"
    & skf18("9","4","9","10","2","4","1") = "9"
    & skf18("9","4","9","10","2","5","1") = "9"
    & skf18("9","4","9","10","2","6","1") = "9"
    & skf18("9","4","9","10","2","7","1") = "9"
    & skf18("9","4","9","10","2","8","1") = "9"
    & skf18("9","4","9","10","2","9","1") = "9"
    & skf18("9","4","9","10","2","10","1") = "9"
    & skf18("9","4","9","10","3","1","1") = "9"
    & skf18("9","4","9","10","3","2","1") = "9"
    & skf18("9","4","9","10","3","3","1") = "9"
    & skf18("9","4","9","10","3","4","1") = "9"
    & skf18("9","4","9","10","3","5","1") = "9"
    & skf18("9","4","9","10","3","6","1") = "9"
    & skf18("9","4","9","10","3","7","1") = "9"
    & skf18("9","4","9","10","3","8","1") = "9"
    & skf18("9","4","9","10","3","9","1") = "9"
    & skf18("9","4","9","10","3","10","1") = "9"
    & skf18("9","4","9","10","4","1","1") = "9"
    & skf18("9","4","9","10","4","2","1") = "9"
    & skf18("9","4","9","10","4","3","1") = "9"
    & skf18("9","4","9","10","4","4","1") = "9"
    & skf18("9","4","9","10","4","5","1") = "9"
    & skf18("9","4","9","10","4","6","1") = "9"
    & skf18("9","4","9","10","4","7","1") = "9"
    & skf18("9","4","9","10","4","8","1") = "9"
    & skf18("9","4","9","10","4","9","1") = "9"
    & skf18("9","4","9","10","4","10","1") = "9"
    & skf18("9","4","9","10","5","1","1") = "9"
    & skf18("9","4","9","10","5","2","1") = "9"
    & skf18("9","4","9","10","5","3","1") = "9"
    & skf18("9","4","9","10","5","4","1") = "9"
    & skf18("9","4","9","10","5","5","1") = "9"
    & skf18("9","4","9","10","5","6","1") = "9"
    & skf18("9","4","9","10","5","7","1") = "9"
    & skf18("9","4","9","10","5","8","1") = "9"
    & skf18("9","4","9","10","5","9","1") = "9"
    & skf18("9","4","9","10","5","10","1") = "9"
    & skf18("9","4","9","10","6","1","1") = "9"
    & skf18("9","4","9","10","6","2","1") = "9"
    & skf18("9","4","9","10","6","3","1") = "9"
    & skf18("9","4","9","10","6","4","1") = "9"
    & skf18("9","4","9","10","6","5","1") = "9"
    & skf18("9","4","9","10","6","6","1") = "9"
    & skf18("9","4","9","10","6","7","1") = "9"
    & skf18("9","4","9","10","6","8","1") = "9"
    & skf18("9","4","9","10","6","9","1") = "9"
    & skf18("9","4","9","10","6","10","1") = "9"
    & skf18("9","4","9","10","7","1","1") = "9"
    & skf18("9","4","9","10","7","2","1") = "9"
    & skf18("9","4","9","10","7","3","1") = "9"
    & skf18("9","4","9","10","7","4","1") = "9"
    & skf18("9","4","9","10","7","5","1") = "9"
    & skf18("9","4","9","10","7","6","1") = "9"
    & skf18("9","4","9","10","7","7","1") = "9"
    & skf18("9","4","9","10","7","8","1") = "9"
    & skf18("9","4","9","10","7","9","1") = "9"
    & skf18("9","4","9","10","7","10","1") = "9"
    & skf18("9","4","9","10","8","1","1") = "9"
    & skf18("9","4","9","10","8","2","1") = "9"
    & skf18("9","4","9","10","8","3","1") = "9"
    & skf18("9","4","9","10","8","4","1") = "9"
    & skf18("9","4","9","10","8","5","1") = "9"
    & skf18("9","4","9","10","8","6","1") = "9"
    & skf18("9","4","9","10","8","7","1") = "9"
    & skf18("9","4","9","10","8","8","1") = "9"
    & skf18("9","4","9","10","8","9","1") = "9"
    & skf18("9","4","9","10","8","10","1") = "9"
    & skf18("9","4","9","10","9","1","1") = "9"
    & skf18("9","4","9","10","9","2","1") = "9"
    & skf18("9","4","9","10","9","3","1") = "9"
    & skf18("9","4","9","10","9","4","1") = "9"
    & skf18("9","4","9","10","9","5","1") = "9"
    & skf18("9","4","9","10","9","6","1") = "9"
    & skf18("9","4","9","10","9","7","1") = "9"
    & skf18("9","4","9","10","9","8","1") = "9"
    & skf18("9","4","9","10","9","9","1") = "9"
    & skf18("9","4","9","10","9","10","1") = "9"
    & skf18("9","4","9","10","10","1","1") = "9"
    & skf18("9","4","9","10","10","2","1") = "9"
    & skf18("9","4","9","10","10","3","1") = "9"
    & skf18("9","4","9","10","10","4","1") = "9"
    & skf18("9","4","9","10","10","5","1") = "9"
    & skf18("9","4","9","10","10","6","1") = "9"
    & skf18("9","4","9","10","10","7","1") = "9"
    & skf18("9","4","9","10","10","8","1") = "9"
    & skf18("9","4","9","10","10","9","1") = "9"
    & skf18("9","4","9","10","10","10","1") = "9"
    & skf18("9","4","10","1","1","1","1") = "9"
    & skf18("9","4","10","1","1","2","1") = "9"
    & skf18("9","4","10","1","1","3","1") = "9"
    & skf18("9","4","10","1","1","4","1") = "9"
    & skf18("9","4","10","1","1","5","1") = "9"
    & skf18("9","4","10","1","1","6","1") = "9"
    & skf18("9","4","10","1","1","7","1") = "9"
    & skf18("9","4","10","1","1","8","1") = "9"
    & skf18("9","4","10","1","1","9","1") = "9"
    & skf18("9","4","10","1","1","10","1") = "9"
    & skf18("9","4","10","1","2","1","1") = "9"
    & skf18("9","4","10","1","2","2","1") = "9"
    & skf18("9","4","10","1","2","3","1") = "9"
    & skf18("9","4","10","1","2","4","1") = "9"
    & skf18("9","4","10","1","2","5","1") = "9"
    & skf18("9","4","10","1","2","6","1") = "9"
    & skf18("9","4","10","1","2","7","1") = "9"
    & skf18("9","4","10","1","2","8","1") = "9"
    & skf18("9","4","10","1","2","9","1") = "9"
    & skf18("9","4","10","1","2","10","1") = "9"
    & skf18("9","4","10","1","3","1","1") = "9"
    & skf18("9","4","10","1","3","2","1") = "9"
    & skf18("9","4","10","1","3","3","1") = "9"
    & skf18("9","4","10","1","3","4","1") = "9"
    & skf18("9","4","10","1","3","5","1") = "9"
    & skf18("9","4","10","1","3","6","1") = "9"
    & skf18("9","4","10","1","3","7","1") = "9"
    & skf18("9","4","10","1","3","8","1") = "9"
    & skf18("9","4","10","1","3","9","1") = "9"
    & skf18("9","4","10","1","3","10","1") = "9"
    & skf18("9","4","10","1","4","1","1") = "9"
    & skf18("9","4","10","1","4","2","1") = "9"
    & skf18("9","4","10","1","4","3","1") = "9"
    & skf18("9","4","10","1","4","4","1") = "9"
    & skf18("9","4","10","1","4","5","1") = "9"
    & skf18("9","4","10","1","4","6","1") = "9"
    & skf18("9","4","10","1","4","7","1") = "9"
    & skf18("9","4","10","1","4","8","1") = "9"
    & skf18("9","4","10","1","4","9","1") = "9"
    & skf18("9","4","10","1","4","10","1") = "9"
    & skf18("9","4","10","1","5","1","1") = "9"
    & skf18("9","4","10","1","5","2","1") = "9"
    & skf18("9","4","10","1","5","3","1") = "9"
    & skf18("9","4","10","1","5","4","1") = "9"
    & skf18("9","4","10","1","5","5","1") = "9"
    & skf18("9","4","10","1","5","6","1") = "9"
    & skf18("9","4","10","1","5","7","1") = "9"
    & skf18("9","4","10","1","5","8","1") = "9"
    & skf18("9","4","10","1","5","9","1") = "9"
    & skf18("9","4","10","1","5","10","1") = "9"
    & skf18("9","4","10","1","6","1","1") = "9"
    & skf18("9","4","10","1","6","2","1") = "9"
    & skf18("9","4","10","1","6","3","1") = "9"
    & skf18("9","4","10","1","6","4","1") = "9"
    & skf18("9","4","10","1","6","5","1") = "9"
    & skf18("9","4","10","1","6","6","1") = "9"
    & skf18("9","4","10","1","6","7","1") = "9"
    & skf18("9","4","10","1","6","8","1") = "9"
    & skf18("9","4","10","1","6","9","1") = "9"
    & skf18("9","4","10","1","6","10","1") = "9"
    & skf18("9","4","10","1","7","1","1") = "9"
    & skf18("9","4","10","1","7","2","1") = "9"
    & skf18("9","4","10","1","7","3","1") = "9"
    & skf18("9","4","10","1","7","4","1") = "9"
    & skf18("9","4","10","1","7","5","1") = "9"
    & skf18("9","4","10","1","7","6","1") = "9"
    & skf18("9","4","10","1","7","7","1") = "9"
    & skf18("9","4","10","1","7","8","1") = "9"
    & skf18("9","4","10","1","7","9","1") = "9"
    & skf18("9","4","10","1","7","10","1") = "9"
    & skf18("9","4","10","1","8","1","1") = "9"
    & skf18("9","4","10","1","8","2","1") = "9"
    & skf18("9","4","10","1","8","3","1") = "9"
    & skf18("9","4","10","1","8","4","1") = "9"
    & skf18("9","4","10","1","8","5","1") = "9"
    & skf18("9","4","10","1","8","6","1") = "9"
    & skf18("9","4","10","1","8","7","1") = "9"
    & skf18("9","4","10","1","8","8","1") = "9"
    & skf18("9","4","10","1","8","9","1") = "9"
    & skf18("9","4","10","1","8","10","1") = "9"
    & skf18("9","4","10","1","9","1","1") = "9"
    & skf18("9","4","10","1","9","2","1") = "9"
    & skf18("9","4","10","1","9","3","1") = "9"
    & skf18("9","4","10","1","9","4","1") = "9"
    & skf18("9","4","10","1","9","5","1") = "9"
    & skf18("9","4","10","1","9","6","1") = "9"
    & skf18("9","4","10","1","9","7","1") = "9"
    & skf18("9","4","10","1","9","8","1") = "9"
    & skf18("9","4","10","1","9","9","1") = "9"
    & skf18("9","4","10","1","9","10","1") = "9"
    & skf18("9","4","10","1","10","1","1") = "9"
    & skf18("9","4","10","1","10","2","1") = "9"
    & skf18("9","4","10","1","10","3","1") = "9"
    & skf18("9","4","10","1","10","4","1") = "9"
    & skf18("9","4","10","1","10","5","1") = "9"
    & skf18("9","4","10","1","10","6","1") = "9"
    & skf18("9","4","10","1","10","7","1") = "9"
    & skf18("9","4","10","1","10","8","1") = "9"
    & skf18("9","4","10","1","10","9","1") = "9"
    & skf18("9","4","10","1","10","10","1") = "9"
    & skf18("9","4","10","2","1","1","1") = "9"
    & skf18("9","4","10","2","1","2","1") = "9"
    & skf18("9","4","10","2","1","3","1") = "9"
    & skf18("9","4","10","2","1","4","1") = "9"
    & skf18("9","4","10","2","1","5","1") = "9"
    & skf18("9","4","10","2","1","6","1") = "9"
    & skf18("9","4","10","2","1","7","1") = "9"
    & skf18("9","4","10","2","1","8","1") = "9"
    & skf18("9","4","10","2","1","9","1") = "9"
    & skf18("9","4","10","2","1","10","1") = "9"
    & skf18("9","4","10","2","2","1","1") = "9"
    & skf18("9","4","10","2","2","2","1") = "9"
    & skf18("9","4","10","2","2","3","1") = "9"
    & skf18("9","4","10","2","2","4","1") = "9"
    & skf18("9","4","10","2","2","5","1") = "9"
    & skf18("9","4","10","2","2","6","1") = "9"
    & skf18("9","4","10","2","2","7","1") = "9"
    & skf18("9","4","10","2","2","8","1") = "9"
    & skf18("9","4","10","2","2","9","1") = "9"
    & skf18("9","4","10","2","2","10","1") = "9"
    & skf18("9","4","10","2","3","1","1") = "9"
    & skf18("9","4","10","2","3","2","1") = "9"
    & skf18("9","4","10","2","3","3","1") = "9"
    & skf18("9","4","10","2","3","4","1") = "9"
    & skf18("9","4","10","2","3","5","1") = "9"
    & skf18("9","4","10","2","3","6","1") = "9"
    & skf18("9","4","10","2","3","7","1") = "9"
    & skf18("9","4","10","2","3","8","1") = "9"
    & skf18("9","4","10","2","3","9","1") = "9"
    & skf18("9","4","10","2","3","10","1") = "9"
    & skf18("9","4","10","2","4","1","1") = "9"
    & skf18("9","4","10","2","4","2","1") = "9"
    & skf18("9","4","10","2","4","3","1") = "9"
    & skf18("9","4","10","2","4","4","1") = "9"
    & skf18("9","4","10","2","4","5","1") = "9"
    & skf18("9","4","10","2","4","6","1") = "9"
    & skf18("9","4","10","2","4","7","1") = "9"
    & skf18("9","4","10","2","4","8","1") = "9"
    & skf18("9","4","10","2","4","9","1") = "9"
    & skf18("9","4","10","2","4","10","1") = "9"
    & skf18("9","4","10","2","5","1","1") = "9"
    & skf18("9","4","10","2","5","2","1") = "9"
    & skf18("9","4","10","2","5","3","1") = "9"
    & skf18("9","4","10","2","5","4","1") = "9"
    & skf18("9","4","10","2","5","5","1") = "9"
    & skf18("9","4","10","2","5","6","1") = "9"
    & skf18("9","4","10","2","5","7","1") = "9"
    & skf18("9","4","10","2","5","8","1") = "9"
    & skf18("9","4","10","2","5","9","1") = "9"
    & skf18("9","4","10","2","5","10","1") = "9"
    & skf18("9","4","10","2","6","1","1") = "9"
    & skf18("9","4","10","2","6","2","1") = "9"
    & skf18("9","4","10","2","6","3","1") = "9"
    & skf18("9","4","10","2","6","4","1") = "9"
    & skf18("9","4","10","2","6","5","1") = "9"
    & skf18("9","4","10","2","6","6","1") = "9"
    & skf18("9","4","10","2","6","7","1") = "9"
    & skf18("9","4","10","2","6","8","1") = "9"
    & skf18("9","4","10","2","6","9","1") = "9"
    & skf18("9","4","10","2","6","10","1") = "9"
    & skf18("9","4","10","2","7","1","1") = "9"
    & skf18("9","4","10","2","7","2","1") = "9"
    & skf18("9","4","10","2","7","3","1") = "9"
    & skf18("9","4","10","2","7","4","1") = "9"
    & skf18("9","4","10","2","7","5","1") = "9"
    & skf18("9","4","10","2","7","6","1") = "9"
    & skf18("9","4","10","2","7","7","1") = "9"
    & skf18("9","4","10","2","7","8","1") = "9"
    & skf18("9","4","10","2","7","9","1") = "9"
    & skf18("9","4","10","2","7","10","1") = "9"
    & skf18("9","4","10","2","8","1","1") = "9"
    & skf18("9","4","10","2","8","2","1") = "9"
    & skf18("9","4","10","2","8","3","1") = "9"
    & skf18("9","4","10","2","8","4","1") = "9"
    & skf18("9","4","10","2","8","5","1") = "9"
    & skf18("9","4","10","2","8","6","1") = "9"
    & skf18("9","4","10","2","8","7","1") = "9"
    & skf18("9","4","10","2","8","8","1") = "9"
    & skf18("9","4","10","2","8","9","1") = "9"
    & skf18("9","4","10","2","8","10","1") = "9"
    & skf18("9","4","10","2","9","1","1") = "9"
    & skf18("9","4","10","2","9","2","1") = "9"
    & skf18("9","4","10","2","9","3","1") = "9"
    & skf18("9","4","10","2","9","4","1") = "9"
    & skf18("9","4","10","2","9","5","1") = "9"
    & skf18("9","4","10","2","9","6","1") = "9"
    & skf18("9","4","10","2","9","7","1") = "9"
    & skf18("9","4","10","2","9","8","1") = "9"
    & skf18("9","4","10","2","9","9","1") = "9"
    & skf18("9","4","10","2","9","10","1") = "9"
    & skf18("9","4","10","2","10","1","1") = "9"
    & skf18("9","4","10","2","10","2","1") = "9"
    & skf18("9","4","10","2","10","3","1") = "9"
    & skf18("9","4","10","2","10","4","1") = "9"
    & skf18("9","4","10","2","10","5","1") = "9"
    & skf18("9","4","10","2","10","6","1") = "9"
    & skf18("9","4","10","2","10","7","1") = "9"
    & skf18("9","4","10","2","10","8","1") = "9"
    & skf18("9","4","10","2","10","9","1") = "9"
    & skf18("9","4","10","2","10","10","1") = "9"
    & skf18("9","4","10","3","1","1","1") = "9"
    & skf18("9","4","10","3","1","2","1") = "9"
    & skf18("9","4","10","3","1","3","1") = "9"
    & skf18("9","4","10","3","1","4","1") = "9"
    & skf18("9","4","10","3","1","5","1") = "9"
    & skf18("9","4","10","3","1","6","1") = "9"
    & skf18("9","4","10","3","1","7","1") = "9"
    & skf18("9","4","10","3","1","8","1") = "9"
    & skf18("9","4","10","3","1","9","1") = "9"
    & skf18("9","4","10","3","1","10","1") = "9"
    & skf18("9","4","10","3","2","1","1") = "9"
    & skf18("9","4","10","3","2","2","1") = "9"
    & skf18("9","4","10","3","2","3","1") = "9"
    & skf18("9","4","10","3","2","4","1") = "9"
    & skf18("9","4","10","3","2","5","1") = "9"
    & skf18("9","4","10","3","2","6","1") = "9"
    & skf18("9","4","10","3","2","7","1") = "9"
    & skf18("9","4","10","3","2","8","1") = "9"
    & skf18("9","4","10","3","2","9","1") = "9"
    & skf18("9","4","10","3","2","10","1") = "9"
    & skf18("9","4","10","3","3","1","1") = "9"
    & skf18("9","4","10","3","3","2","1") = "9"
    & skf18("9","4","10","3","3","3","1") = "9"
    & skf18("9","4","10","3","3","4","1") = "9"
    & skf18("9","4","10","3","3","5","1") = "9"
    & skf18("9","4","10","3","3","6","1") = "9"
    & skf18("9","4","10","3","3","7","1") = "9"
    & skf18("9","4","10","3","3","8","1") = "9"
    & skf18("9","4","10","3","3","9","1") = "9"
    & skf18("9","4","10","3","3","10","1") = "9"
    & skf18("9","4","10","3","4","1","1") = "9"
    & skf18("9","4","10","3","4","2","1") = "9"
    & skf18("9","4","10","3","4","3","1") = "9"
    & skf18("9","4","10","3","4","4","1") = "9"
    & skf18("9","4","10","3","4","5","1") = "9"
    & skf18("9","4","10","3","4","6","1") = "9"
    & skf18("9","4","10","3","4","7","1") = "9"
    & skf18("9","4","10","3","4","8","1") = "9"
    & skf18("9","4","10","3","4","9","1") = "9"
    & skf18("9","4","10","3","4","10","1") = "9"
    & skf18("9","4","10","3","5","1","1") = "9"
    & skf18("9","4","10","3","5","2","1") = "9"
    & skf18("9","4","10","3","5","3","1") = "9"
    & skf18("9","4","10","3","5","4","1") = "9"
    & skf18("9","4","10","3","5","5","1") = "9"
    & skf18("9","4","10","3","5","6","1") = "9"
    & skf18("9","4","10","3","5","7","1") = "9"
    & skf18("9","4","10","3","5","8","1") = "9"
    & skf18("9","4","10","3","5","9","1") = "9"
    & skf18("9","4","10","3","5","10","1") = "9"
    & skf18("9","4","10","3","6","1","1") = "9"
    & skf18("9","4","10","3","6","2","1") = "9"
    & skf18("9","4","10","3","6","3","1") = "9"
    & skf18("9","4","10","3","6","4","1") = "9"
    & skf18("9","4","10","3","6","5","1") = "9"
    & skf18("9","4","10","3","6","6","1") = "9"
    & skf18("9","4","10","3","6","7","1") = "9"
    & skf18("9","4","10","3","6","8","1") = "9"
    & skf18("9","4","10","3","6","9","1") = "9"
    & skf18("9","4","10","3","6","10","1") = "9"
    & skf18("9","4","10","3","7","1","1") = "9"
    & skf18("9","4","10","3","7","2","1") = "9"
    & skf18("9","4","10","3","7","3","1") = "9"
    & skf18("9","4","10","3","7","4","1") = "9"
    & skf18("9","4","10","3","7","5","1") = "9"
    & skf18("9","4","10","3","7","6","1") = "9"
    & skf18("9","4","10","3","7","7","1") = "9"
    & skf18("9","4","10","3","7","8","1") = "9"
    & skf18("9","4","10","3","7","9","1") = "9"
    & skf18("9","4","10","3","7","10","1") = "9"
    & skf18("9","4","10","3","8","1","1") = "9"
    & skf18("9","4","10","3","8","2","1") = "9"
    & skf18("9","4","10","3","8","3","1") = "9"
    & skf18("9","4","10","3","8","4","1") = "9"
    & skf18("9","4","10","3","8","5","1") = "9"
    & skf18("9","4","10","3","8","6","1") = "9"
    & skf18("9","4","10","3","8","7","1") = "9"
    & skf18("9","4","10","3","8","8","1") = "9"
    & skf18("9","4","10","3","8","9","1") = "9"
    & skf18("9","4","10","3","8","10","1") = "9"
    & skf18("9","4","10","3","9","1","1") = "9"
    & skf18("9","4","10","3","9","2","1") = "9"
    & skf18("9","4","10","3","9","3","1") = "9"
    & skf18("9","4","10","3","9","4","1") = "9"
    & skf18("9","4","10","3","9","5","1") = "9"
    & skf18("9","4","10","3","9","6","1") = "9"
    & skf18("9","4","10","3","9","7","1") = "9"
    & skf18("9","4","10","3","9","8","1") = "9"
    & skf18("9","4","10","3","9","9","1") = "9"
    & skf18("9","4","10","3","9","10","1") = "9"
    & skf18("9","4","10","3","10","1","1") = "9"
    & skf18("9","4","10","3","10","2","1") = "9"
    & skf18("9","4","10","3","10","3","1") = "9"
    & skf18("9","4","10","3","10","4","1") = "9"
    & skf18("9","4","10","3","10","5","1") = "9"
    & skf18("9","4","10","3","10","6","1") = "9"
    & skf18("9","4","10","3","10","7","1") = "9"
    & skf18("9","4","10","3","10","8","1") = "9"
    & skf18("9","4","10","3","10","9","1") = "9"
    & skf18("9","4","10","3","10","10","1") = "9"
    & skf18("9","4","10","4","1","1","1") = "9"
    & skf18("9","4","10","4","1","2","1") = "9"
    & skf18("9","4","10","4","1","3","1") = "9"
    & skf18("9","4","10","4","1","4","1") = "9"
    & skf18("9","4","10","4","1","5","1") = "9"
    & skf18("9","4","10","4","1","6","1") = "9"
    & skf18("9","4","10","4","1","7","1") = "9"
    & skf18("9","4","10","4","1","8","1") = "9"
    & skf18("9","4","10","4","1","9","1") = "9"
    & skf18("9","4","10","4","1","10","1") = "9"
    & skf18("9","4","10","4","2","1","1") = "9"
    & skf18("9","4","10","4","2","2","1") = "9"
    & skf18("9","4","10","4","2","3","1") = "9"
    & skf18("9","4","10","4","2","4","1") = "9"
    & skf18("9","4","10","4","2","5","1") = "9"
    & skf18("9","4","10","4","2","6","1") = "9"
    & skf18("9","4","10","4","2","7","1") = "9"
    & skf18("9","4","10","4","2","8","1") = "9"
    & skf18("9","4","10","4","2","9","1") = "9"
    & skf18("9","4","10","4","2","10","1") = "9"
    & skf18("9","4","10","4","3","1","1") = "9"
    & skf18("9","4","10","4","3","2","1") = "9"
    & skf18("9","4","10","4","3","3","1") = "9"
    & skf18("9","4","10","4","3","4","1") = "9"
    & skf18("9","4","10","4","3","5","1") = "9"
    & skf18("9","4","10","4","3","6","1") = "9"
    & skf18("9","4","10","4","3","7","1") = "9"
    & skf18("9","4","10","4","3","8","1") = "9"
    & skf18("9","4","10","4","3","9","1") = "9"
    & skf18("9","4","10","4","3","10","1") = "9"
    & skf18("9","4","10","4","4","1","1") = "9"
    & skf18("9","4","10","4","4","2","1") = "9"
    & skf18("9","4","10","4","4","3","1") = "9"
    & skf18("9","4","10","4","4","4","1") = "9"
    & skf18("9","4","10","4","4","5","1") = "9"
    & skf18("9","4","10","4","4","6","1") = "9"
    & skf18("9","4","10","4","4","7","1") = "9"
    & skf18("9","4","10","4","4","8","1") = "9"
    & skf18("9","4","10","4","4","9","1") = "9"
    & skf18("9","4","10","4","4","10","1") = "9"
    & skf18("9","4","10","4","5","1","1") = "9"
    & skf18("9","4","10","4","5","2","1") = "9"
    & skf18("9","4","10","4","5","3","1") = "9"
    & skf18("9","4","10","4","5","4","1") = "9"
    & skf18("9","4","10","4","5","5","1") = "9"
    & skf18("9","4","10","4","5","6","1") = "9"
    & skf18("9","4","10","4","5","7","1") = "9"
    & skf18("9","4","10","4","5","8","1") = "9"
    & skf18("9","4","10","4","5","9","1") = "9"
    & skf18("9","4","10","4","5","10","1") = "9"
    & skf18("9","4","10","4","6","1","1") = "9"
    & skf18("9","4","10","4","6","2","1") = "9"
    & skf18("9","4","10","4","6","3","1") = "9"
    & skf18("9","4","10","4","6","4","1") = "9"
    & skf18("9","4","10","4","6","5","1") = "9"
    & skf18("9","4","10","4","6","6","1") = "9"
    & skf18("9","4","10","4","6","7","1") = "9"
    & skf18("9","4","10","4","6","8","1") = "9"
    & skf18("9","4","10","4","6","9","1") = "9"
    & skf18("9","4","10","4","6","10","1") = "9"
    & skf18("9","4","10","4","7","1","1") = "9"
    & skf18("9","4","10","4","7","2","1") = "9"
    & skf18("9","4","10","4","7","3","1") = "9"
    & skf18("9","4","10","4","7","4","1") = "9"
    & skf18("9","4","10","4","7","5","1") = "9"
    & skf18("9","4","10","4","7","6","1") = "9"
    & skf18("9","4","10","4","7","7","1") = "9"
    & skf18("9","4","10","4","7","8","1") = "9"
    & skf18("9","4","10","4","7","9","1") = "9"
    & skf18("9","4","10","4","7","10","1") = "9"
    & skf18("9","4","10","4","8","1","1") = "9"
    & skf18("9","4","10","4","8","2","1") = "9"
    & skf18("9","4","10","4","8","3","1") = "9"
    & skf18("9","4","10","4","8","4","1") = "9"
    & skf18("9","4","10","4","8","5","1") = "9"
    & skf18("9","4","10","4","8","6","1") = "9"
    & skf18("9","4","10","4","8","7","1") = "9"
    & skf18("9","4","10","4","8","8","1") = "9"
    & skf18("9","4","10","4","8","9","1") = "9"
    & skf18("9","4","10","4","8","10","1") = "9"
    & skf18("9","4","10","4","9","1","1") = "9"
    & skf18("9","4","10","4","9","2","1") = "9"
    & skf18("9","4","10","4","9","3","1") = "9"
    & skf18("9","4","10","4","9","4","1") = "9"
    & skf18("9","4","10","4","9","5","1") = "9"
    & skf18("9","4","10","4","9","6","1") = "9"
    & skf18("9","4","10","4","9","7","1") = "9"
    & skf18("9","4","10","4","9","8","1") = "9"
    & skf18("9","4","10","4","9","9","1") = "9"
    & skf18("9","4","10","4","9","10","1") = "9"
    & skf18("9","4","10","4","10","1","1") = "9"
    & skf18("9","4","10","4","10","2","1") = "9"
    & skf18("9","4","10","4","10","3","1") = "9"
    & skf18("9","4","10","4","10","4","1") = "9"
    & skf18("9","4","10","4","10","5","1") = "9"
    & skf18("9","4","10","4","10","6","1") = "9"
    & skf18("9","4","10","4","10","7","1") = "9"
    & skf18("9","4","10","4","10","8","1") = "9"
    & skf18("9","4","10","4","10","9","1") = "9"
    & skf18("9","4","10","4","10","10","1") = "9"
    & skf18("9","4","10","5","1","1","1") = "9"
    & skf18("9","4","10","5","1","2","1") = "9"
    & skf18("9","4","10","5","1","3","1") = "9"
    & skf18("9","4","10","5","1","4","1") = "9"
    & skf18("9","4","10","5","1","5","1") = "9"
    & skf18("9","4","10","5","1","6","1") = "9"
    & skf18("9","4","10","5","1","7","1") = "9"
    & skf18("9","4","10","5","1","8","1") = "9"
    & skf18("9","4","10","5","1","9","1") = "9"
    & skf18("9","4","10","5","1","10","1") = "9"
    & skf18("9","4","10","5","2","1","1") = "9"
    & skf18("9","4","10","5","2","2","1") = "9"
    & skf18("9","4","10","5","2","3","1") = "9"
    & skf18("9","4","10","5","2","4","1") = "9"
    & skf18("9","4","10","5","2","5","1") = "9"
    & skf18("9","4","10","5","2","6","1") = "9"
    & skf18("9","4","10","5","2","7","1") = "9"
    & skf18("9","4","10","5","2","8","1") = "9"
    & skf18("9","4","10","5","2","9","1") = "9"
    & skf18("9","4","10","5","2","10","1") = "9"
    & skf18("9","4","10","5","3","1","1") = "9"
    & skf18("9","4","10","5","3","2","1") = "9"
    & skf18("9","4","10","5","3","3","1") = "9"
    & skf18("9","4","10","5","3","4","1") = "9"
    & skf18("9","4","10","5","3","5","1") = "9"
    & skf18("9","4","10","5","3","6","1") = "9"
    & skf18("9","4","10","5","3","7","1") = "9"
    & skf18("9","4","10","5","3","8","1") = "9"
    & skf18("9","4","10","5","3","9","1") = "9"
    & skf18("9","4","10","5","3","10","1") = "9"
    & skf18("9","4","10","5","4","1","1") = "9"
    & skf18("9","4","10","5","4","2","1") = "9"
    & skf18("9","4","10","5","4","3","1") = "9"
    & skf18("9","4","10","5","4","4","1") = "9"
    & skf18("9","4","10","5","4","5","1") = "9"
    & skf18("9","4","10","5","4","6","1") = "9"
    & skf18("9","4","10","5","4","7","1") = "9"
    & skf18("9","4","10","5","4","8","1") = "9"
    & skf18("9","4","10","5","4","9","1") = "9"
    & skf18("9","4","10","5","4","10","1") = "9"
    & skf18("9","4","10","5","5","1","1") = "9"
    & skf18("9","4","10","5","5","2","1") = "9"
    & skf18("9","4","10","5","5","3","1") = "9"
    & skf18("9","4","10","5","5","4","1") = "9"
    & skf18("9","4","10","5","5","5","1") = "9"
    & skf18("9","4","10","5","5","6","1") = "9"
    & skf18("9","4","10","5","5","7","1") = "9"
    & skf18("9","4","10","5","5","8","1") = "9"
    & skf18("9","4","10","5","5","9","1") = "9"
    & skf18("9","4","10","5","5","10","1") = "9"
    & skf18("9","4","10","5","6","1","1") = "9"
    & skf18("9","4","10","5","6","2","1") = "9"
    & skf18("9","4","10","5","6","3","1") = "9"
    & skf18("9","4","10","5","6","4","1") = "9"
    & skf18("9","4","10","5","6","5","1") = "9"
    & skf18("9","4","10","5","6","6","1") = "9"
    & skf18("9","4","10","5","6","7","1") = "9"
    & skf18("9","4","10","5","6","8","1") = "9"
    & skf18("9","4","10","5","6","9","1") = "9"
    & skf18("9","4","10","5","6","10","1") = "9"
    & skf18("9","4","10","5","7","1","1") = "9"
    & skf18("9","4","10","5","7","2","1") = "9"
    & skf18("9","4","10","5","7","3","1") = "9"
    & skf18("9","4","10","5","7","4","1") = "9"
    & skf18("9","4","10","5","7","5","1") = "9"
    & skf18("9","4","10","5","7","6","1") = "9"
    & skf18("9","4","10","5","7","7","1") = "9"
    & skf18("9","4","10","5","7","8","1") = "9"
    & skf18("9","4","10","5","7","9","1") = "9"
    & skf18("9","4","10","5","7","10","1") = "9"
    & skf18("9","4","10","5","8","1","1") = "9"
    & skf18("9","4","10","5","8","2","1") = "9"
    & skf18("9","4","10","5","8","3","1") = "9"
    & skf18("9","4","10","5","8","4","1") = "9"
    & skf18("9","4","10","5","8","5","1") = "9"
    & skf18("9","4","10","5","8","6","1") = "9"
    & skf18("9","4","10","5","8","7","1") = "9"
    & skf18("9","4","10","5","8","8","1") = "9"
    & skf18("9","4","10","5","8","9","1") = "9"
    & skf18("9","4","10","5","8","10","1") = "9"
    & skf18("9","4","10","5","9","1","1") = "9"
    & skf18("9","4","10","5","9","2","1") = "9"
    & skf18("9","4","10","5","9","3","1") = "9"
    & skf18("9","4","10","5","9","4","1") = "9"
    & skf18("9","4","10","5","9","5","1") = "9"
    & skf18("9","4","10","5","9","6","1") = "9"
    & skf18("9","4","10","5","9","7","1") = "9"
    & skf18("9","4","10","5","9","8","1") = "9"
    & skf18("9","4","10","5","9","9","1") = "9"
    & skf18("9","4","10","5","9","10","1") = "9"
    & skf18("9","4","10","5","10","1","1") = "9"
    & skf18("9","4","10","5","10","2","1") = "9"
    & skf18("9","4","10","5","10","3","1") = "9"
    & skf18("9","4","10","5","10","4","1") = "9"
    & skf18("9","4","10","5","10","5","1") = "9"
    & skf18("9","4","10","5","10","6","1") = "9"
    & skf18("9","4","10","5","10","7","1") = "9"
    & skf18("9","4","10","5","10","8","1") = "9"
    & skf18("9","4","10","5","10","9","1") = "9"
    & skf18("9","4","10","5","10","10","1") = "9"
    & skf18("9","4","10","6","1","1","1") = "9"
    & skf18("9","4","10","6","1","2","1") = "9"
    & skf18("9","4","10","6","1","3","1") = "9"
    & skf18("9","4","10","6","1","4","1") = "9"
    & skf18("9","4","10","6","1","5","1") = "9"
    & skf18("9","4","10","6","1","6","1") = "9"
    & skf18("9","4","10","6","1","7","1") = "9"
    & skf18("9","4","10","6","1","8","1") = "9"
    & skf18("9","4","10","6","1","9","1") = "9"
    & skf18("9","4","10","6","1","10","1") = "9"
    & skf18("9","4","10","6","2","1","1") = "9"
    & skf18("9","4","10","6","2","2","1") = "9"
    & skf18("9","4","10","6","2","3","1") = "9"
    & skf18("9","4","10","6","2","4","1") = "9"
    & skf18("9","4","10","6","2","5","1") = "9"
    & skf18("9","4","10","6","2","6","1") = "9"
    & skf18("9","4","10","6","2","7","1") = "9"
    & skf18("9","4","10","6","2","8","1") = "9"
    & skf18("9","4","10","6","2","9","1") = "9"
    & skf18("9","4","10","6","2","10","1") = "9"
    & skf18("9","4","10","6","3","1","1") = "9"
    & skf18("9","4","10","6","3","2","1") = "9"
    & skf18("9","4","10","6","3","3","1") = "9"
    & skf18("9","4","10","6","3","4","1") = "9"
    & skf18("9","4","10","6","3","5","1") = "9"
    & skf18("9","4","10","6","3","6","1") = "9"
    & skf18("9","4","10","6","3","7","1") = "9"
    & skf18("9","4","10","6","3","8","1") = "9"
    & skf18("9","4","10","6","3","9","1") = "9"
    & skf18("9","4","10","6","3","10","1") = "9"
    & skf18("9","4","10","6","4","1","1") = "9"
    & skf18("9","4","10","6","4","2","1") = "9"
    & skf18("9","4","10","6","4","3","1") = "9"
    & skf18("9","4","10","6","4","4","1") = "9"
    & skf18("9","4","10","6","4","5","1") = "9"
    & skf18("9","4","10","6","4","6","1") = "9"
    & skf18("9","4","10","6","4","7","1") = "9"
    & skf18("9","4","10","6","4","8","1") = "9"
    & skf18("9","4","10","6","4","9","1") = "9"
    & skf18("9","4","10","6","4","10","1") = "9"
    & skf18("9","4","10","6","5","1","1") = "9"
    & skf18("9","4","10","6","5","2","1") = "9"
    & skf18("9","4","10","6","5","3","1") = "9"
    & skf18("9","4","10","6","5","4","1") = "9"
    & skf18("9","4","10","6","5","5","1") = "9"
    & skf18("9","4","10","6","5","6","1") = "9"
    & skf18("9","4","10","6","5","7","1") = "9"
    & skf18("9","4","10","6","5","8","1") = "9"
    & skf18("9","4","10","6","5","9","1") = "9"
    & skf18("9","4","10","6","5","10","1") = "9"
    & skf18("9","4","10","6","6","1","1") = "9"
    & skf18("9","4","10","6","6","2","1") = "9"
    & skf18("9","4","10","6","6","3","1") = "9"
    & skf18("9","4","10","6","6","4","1") = "9"
    & skf18("9","4","10","6","6","5","1") = "9"
    & skf18("9","4","10","6","6","6","1") = "9"
    & skf18("9","4","10","6","6","7","1") = "9"
    & skf18("9","4","10","6","6","8","1") = "9"
    & skf18("9","4","10","6","6","9","1") = "9"
    & skf18("9","4","10","6","6","10","1") = "9"
    & skf18("9","4","10","6","7","1","1") = "9"
    & skf18("9","4","10","6","7","2","1") = "9"
    & skf18("9","4","10","6","7","3","1") = "9"
    & skf18("9","4","10","6","7","4","1") = "9"
    & skf18("9","4","10","6","7","5","1") = "9"
    & skf18("9","4","10","6","7","6","1") = "9"
    & skf18("9","4","10","6","7","7","1") = "9"
    & skf18("9","4","10","6","7","8","1") = "9"
    & skf18("9","4","10","6","7","9","1") = "9"
    & skf18("9","4","10","6","7","10","1") = "9"
    & skf18("9","4","10","6","8","1","1") = "9"
    & skf18("9","4","10","6","8","2","1") = "9"
    & skf18("9","4","10","6","8","3","1") = "9"
    & skf18("9","4","10","6","8","4","1") = "9"
    & skf18("9","4","10","6","8","5","1") = "9"
    & skf18("9","4","10","6","8","6","1") = "9"
    & skf18("9","4","10","6","8","7","1") = "9"
    & skf18("9","4","10","6","8","8","1") = "9"
    & skf18("9","4","10","6","8","9","1") = "9"
    & skf18("9","4","10","6","8","10","1") = "9"
    & skf18("9","4","10","6","9","1","1") = "9"
    & skf18("9","4","10","6","9","2","1") = "9"
    & skf18("9","4","10","6","9","3","1") = "9"
    & skf18("9","4","10","6","9","4","1") = "9"
    & skf18("9","4","10","6","9","5","1") = "9"
    & skf18("9","4","10","6","9","6","1") = "9"
    & skf18("9","4","10","6","9","7","1") = "9"
    & skf18("9","4","10","6","9","8","1") = "9"
    & skf18("9","4","10","6","9","9","1") = "9"
    & skf18("9","4","10","6","9","10","1") = "9"
    & skf18("9","4","10","6","10","1","1") = "9"
    & skf18("9","4","10","6","10","2","1") = "9"
    & skf18("9","4","10","6","10","3","1") = "9"
    & skf18("9","4","10","6","10","4","1") = "9"
    & skf18("9","4","10","6","10","5","1") = "9"
    & skf18("9","4","10","6","10","6","1") = "9"
    & skf18("9","4","10","6","10","7","1") = "9"
    & skf18("9","4","10","6","10","8","1") = "9"
    & skf18("9","4","10","6","10","9","1") = "9"
    & skf18("9","4","10","6","10","10","1") = "9"
    & skf18("9","4","10","7","1","1","1") = "9"
    & skf18("9","4","10","7","1","2","1") = "9"
    & skf18("9","4","10","7","1","3","1") = "9"
    & skf18("9","4","10","7","1","4","1") = "9"
    & skf18("9","4","10","7","1","5","1") = "9"
    & skf18("9","4","10","7","1","6","1") = "9"
    & skf18("9","4","10","7","1","7","1") = "9"
    & skf18("9","4","10","7","1","8","1") = "9"
    & skf18("9","4","10","7","1","9","1") = "9"
    & skf18("9","4","10","7","1","10","1") = "9"
    & skf18("9","4","10","7","2","1","1") = "9"
    & skf18("9","4","10","7","2","2","1") = "9"
    & skf18("9","4","10","7","2","3","1") = "9"
    & skf18("9","4","10","7","2","4","1") = "9"
    & skf18("9","4","10","7","2","5","1") = "9"
    & skf18("9","4","10","7","2","6","1") = "9"
    & skf18("9","4","10","7","2","7","1") = "9"
    & skf18("9","4","10","7","2","8","1") = "9"
    & skf18("9","4","10","7","2","9","1") = "9"
    & skf18("9","4","10","7","2","10","1") = "9"
    & skf18("9","4","10","7","3","1","1") = "9"
    & skf18("9","4","10","7","3","2","1") = "9"
    & skf18("9","4","10","7","3","3","1") = "9"
    & skf18("9","4","10","7","3","4","1") = "9"
    & skf18("9","4","10","7","3","5","1") = "9"
    & skf18("9","4","10","7","3","6","1") = "9"
    & skf18("9","4","10","7","3","7","1") = "9"
    & skf18("9","4","10","7","3","8","1") = "9"
    & skf18("9","4","10","7","3","9","1") = "9"
    & skf18("9","4","10","7","3","10","1") = "9"
    & skf18("9","4","10","7","4","1","1") = "9"
    & skf18("9","4","10","7","4","2","1") = "9"
    & skf18("9","4","10","7","4","3","1") = "9"
    & skf18("9","4","10","7","4","4","1") = "9"
    & skf18("9","4","10","7","4","5","1") = "9"
    & skf18("9","4","10","7","4","6","1") = "9"
    & skf18("9","4","10","7","4","7","1") = "9"
    & skf18("9","4","10","7","4","8","1") = "9"
    & skf18("9","4","10","7","4","9","1") = "9"
    & skf18("9","4","10","7","4","10","1") = "9"
    & skf18("9","4","10","7","5","1","1") = "9"
    & skf18("9","4","10","7","5","2","1") = "9"
    & skf18("9","4","10","7","5","3","1") = "9"
    & skf18("9","4","10","7","5","4","1") = "9"
    & skf18("9","4","10","7","5","5","1") = "9"
    & skf18("9","4","10","7","5","6","1") = "9"
    & skf18("9","4","10","7","5","7","1") = "9"
    & skf18("9","4","10","7","5","8","1") = "9"
    & skf18("9","4","10","7","5","9","1") = "9"
    & skf18("9","4","10","7","5","10","1") = "9"
    & skf18("9","4","10","7","6","1","1") = "9"
    & skf18("9","4","10","7","6","2","1") = "9"
    & skf18("9","4","10","7","6","3","1") = "9"
    & skf18("9","4","10","7","6","4","1") = "9"
    & skf18("9","4","10","7","6","5","1") = "9"
    & skf18("9","4","10","7","6","6","1") = "9"
    & skf18("9","4","10","7","6","7","1") = "9"
    & skf18("9","4","10","7","6","8","1") = "9"
    & skf18("9","4","10","7","6","9","1") = "9"
    & skf18("9","4","10","7","6","10","1") = "9"
    & skf18("9","4","10","7","7","1","1") = "9"
    & skf18("9","4","10","7","7","2","1") = "9"
    & skf18("9","4","10","7","7","3","1") = "9"
    & skf18("9","4","10","7","7","4","1") = "9"
    & skf18("9","4","10","7","7","5","1") = "9"
    & skf18("9","4","10","7","7","6","1") = "9"
    & skf18("9","4","10","7","7","7","1") = "9"
    & skf18("9","4","10","7","7","8","1") = "9"
    & skf18("9","4","10","7","7","9","1") = "9"
    & skf18("9","4","10","7","7","10","1") = "9"
    & skf18("9","4","10","7","8","1","1") = "9"
    & skf18("9","4","10","7","8","2","1") = "9"
    & skf18("9","4","10","7","8","3","1") = "9"
    & skf18("9","4","10","7","8","4","1") = "9"
    & skf18("9","4","10","7","8","5","1") = "9"
    & skf18("9","4","10","7","8","6","1") = "9"
    & skf18("9","4","10","7","8","7","1") = "9"
    & skf18("9","4","10","7","8","8","1") = "9"
    & skf18("9","4","10","7","8","9","1") = "9"
    & skf18("9","4","10","7","8","10","1") = "9"
    & skf18("9","4","10","7","9","1","1") = "9"
    & skf18("9","4","10","7","9","2","1") = "9"
    & skf18("9","4","10","7","9","3","1") = "9"
    & skf18("9","4","10","7","9","4","1") = "9"
    & skf18("9","4","10","7","9","5","1") = "9"
    & skf18("9","4","10","7","9","6","1") = "9"
    & skf18("9","4","10","7","9","7","1") = "9"
    & skf18("9","4","10","7","9","8","1") = "9"
    & skf18("9","4","10","7","9","9","1") = "9"
    & skf18("9","4","10","7","9","10","1") = "9"
    & skf18("9","4","10","7","10","1","1") = "9"
    & skf18("9","4","10","7","10","2","1") = "9"
    & skf18("9","4","10","7","10","3","1") = "9"
    & skf18("9","4","10","7","10","4","1") = "9"
    & skf18("9","4","10","7","10","5","1") = "9"
    & skf18("9","4","10","7","10","6","1") = "9"
    & skf18("9","4","10","7","10","7","1") = "9"
    & skf18("9","4","10","7","10","8","1") = "9"
    & skf18("9","4","10","7","10","9","1") = "9"
    & skf18("9","4","10","7","10","10","1") = "9"
    & skf18("9","4","10","8","1","1","1") = "9"
    & skf18("9","4","10","8","1","2","1") = "9"
    & skf18("9","4","10","8","1","3","1") = "9"
    & skf18("9","4","10","8","1","4","1") = "9"
    & skf18("9","4","10","8","1","5","1") = "9"
    & skf18("9","4","10","8","1","6","1") = "9"
    & skf18("9","4","10","8","1","7","1") = "9"
    & skf18("9","4","10","8","1","8","1") = "9"
    & skf18("9","4","10","8","1","9","1") = "9"
    & skf18("9","4","10","8","1","10","1") = "9"
    & skf18("9","4","10","8","2","1","1") = "9"
    & skf18("9","4","10","8","2","2","1") = "9"
    & skf18("9","4","10","8","2","3","1") = "9"
    & skf18("9","4","10","8","2","4","1") = "9"
    & skf18("9","4","10","8","2","5","1") = "9"
    & skf18("9","4","10","8","2","6","1") = "9"
    & skf18("9","4","10","8","2","7","1") = "9"
    & skf18("9","4","10","8","2","8","1") = "9"
    & skf18("9","4","10","8","2","9","1") = "9"
    & skf18("9","4","10","8","2","10","1") = "9"
    & skf18("9","4","10","8","3","1","1") = "9"
    & skf18("9","4","10","8","3","2","1") = "9"
    & skf18("9","4","10","8","3","3","1") = "9"
    & skf18("9","4","10","8","3","4","1") = "9"
    & skf18("9","4","10","8","3","5","1") = "9"
    & skf18("9","4","10","8","3","6","1") = "9"
    & skf18("9","4","10","8","3","7","1") = "9"
    & skf18("9","4","10","8","3","8","1") = "9"
    & skf18("9","4","10","8","3","9","1") = "9"
    & skf18("9","4","10","8","3","10","1") = "9"
    & skf18("9","4","10","8","4","1","1") = "9"
    & skf18("9","4","10","8","4","2","1") = "9"
    & skf18("9","4","10","8","4","3","1") = "9"
    & skf18("9","4","10","8","4","4","1") = "9"
    & skf18("9","4","10","8","4","5","1") = "9"
    & skf18("9","4","10","8","4","6","1") = "9"
    & skf18("9","4","10","8","4","7","1") = "9"
    & skf18("9","4","10","8","4","8","1") = "9"
    & skf18("9","4","10","8","4","9","1") = "9"
    & skf18("9","4","10","8","4","10","1") = "9"
    & skf18("9","4","10","8","5","1","1") = "9"
    & skf18("9","4","10","8","5","2","1") = "9"
    & skf18("9","4","10","8","5","3","1") = "9"
    & skf18("9","4","10","8","5","4","1") = "9"
    & skf18("9","4","10","8","5","5","1") = "9"
    & skf18("9","4","10","8","5","6","1") = "9"
    & skf18("9","4","10","8","5","7","1") = "9"
    & skf18("9","4","10","8","5","8","1") = "9"
    & skf18("9","4","10","8","5","9","1") = "9"
    & skf18("9","4","10","8","5","10","1") = "9"
    & skf18("9","4","10","8","6","1","1") = "9"
    & skf18("9","4","10","8","6","2","1") = "9"
    & skf18("9","4","10","8","6","3","1") = "9"
    & skf18("9","4","10","8","6","4","1") = "9"
    & skf18("9","4","10","8","6","5","1") = "9"
    & skf18("9","4","10","8","6","6","1") = "9"
    & skf18("9","4","10","8","6","7","1") = "9"
    & skf18("9","4","10","8","6","8","1") = "9"
    & skf18("9","4","10","8","6","9","1") = "9"
    & skf18("9","4","10","8","6","10","1") = "9"
    & skf18("9","4","10","8","7","1","1") = "9"
    & skf18("9","4","10","8","7","2","1") = "9"
    & skf18("9","4","10","8","7","3","1") = "9"
    & skf18("9","4","10","8","7","4","1") = "9"
    & skf18("9","4","10","8","7","5","1") = "9"
    & skf18("9","4","10","8","7","6","1") = "9"
    & skf18("9","4","10","8","7","7","1") = "9"
    & skf18("9","4","10","8","7","8","1") = "9"
    & skf18("9","4","10","8","7","9","1") = "9"
    & skf18("9","4","10","8","7","10","1") = "9"
    & skf18("9","4","10","8","8","1","1") = "9"
    & skf18("9","4","10","8","8","2","1") = "9"
    & skf18("9","4","10","8","8","3","1") = "9"
    & skf18("9","4","10","8","8","4","1") = "9"
    & skf18("9","4","10","8","8","5","1") = "9"
    & skf18("9","4","10","8","8","6","1") = "9"
    & skf18("9","4","10","8","8","7","1") = "9"
    & skf18("9","4","10","8","8","8","1") = "9"
    & skf18("9","4","10","8","8","9","1") = "9"
    & skf18("9","4","10","8","8","10","1") = "9"
    & skf18("9","4","10","8","9","1","1") = "9"
    & skf18("9","4","10","8","9","2","1") = "9"
    & skf18("9","4","10","8","9","3","1") = "9"
    & skf18("9","4","10","8","9","4","1") = "9"
    & skf18("9","4","10","8","9","5","1") = "9"
    & skf18("9","4","10","8","9","6","1") = "9"
    & skf18("9","4","10","8","9","7","1") = "9"
    & skf18("9","4","10","8","9","8","1") = "9"
    & skf18("9","4","10","8","9","9","1") = "9"
    & skf18("9","4","10","8","9","10","1") = "9"
    & skf18("9","4","10","8","10","1","1") = "9"
    & skf18("9","4","10","8","10","2","1") = "9"
    & skf18("9","4","10","8","10","3","1") = "9"
    & skf18("9","4","10","8","10","4","1") = "9"
    & skf18("9","4","10","8","10","5","1") = "9"
    & skf18("9","4","10","8","10","6","1") = "9"
    & skf18("9","4","10","8","10","7","1") = "9"
    & skf18("9","4","10","8","10","8","1") = "9"
    & skf18("9","4","10","8","10","9","1") = "9"
    & skf18("9","4","10","8","10","10","1") = "9"
    & skf18("9","4","10","9","1","1","1") = "9"
    & skf18("9","4","10","9","1","2","1") = "9"
    & skf18("9","4","10","9","1","3","1") = "9"
    & skf18("9","4","10","9","1","4","1") = "9"
    & skf18("9","4","10","9","1","5","1") = "9"
    & skf18("9","4","10","9","1","6","1") = "9"
    & skf18("9","4","10","9","1","7","1") = "9"
    & skf18("9","4","10","9","1","8","1") = "9"
    & skf18("9","4","10","9","1","9","1") = "9"
    & skf18("9","4","10","9","1","10","1") = "9"
    & skf18("9","4","10","9","2","1","1") = "9"
    & skf18("9","4","10","9","2","2","1") = "9"
    & skf18("9","4","10","9","2","3","1") = "9"
    & skf18("9","4","10","9","2","4","1") = "9"
    & skf18("9","4","10","9","2","5","1") = "9"
    & skf18("9","4","10","9","2","6","1") = "9"
    & skf18("9","4","10","9","2","7","1") = "9"
    & skf18("9","4","10","9","2","8","1") = "9"
    & skf18("9","4","10","9","2","9","1") = "9"
    & skf18("9","4","10","9","2","10","1") = "9"
    & skf18("9","4","10","9","3","1","1") = "9"
    & skf18("9","4","10","9","3","2","1") = "9"
    & skf18("9","4","10","9","3","3","1") = "9"
    & skf18("9","4","10","9","3","4","1") = "9"
    & skf18("9","4","10","9","3","5","1") = "9"
    & skf18("9","4","10","9","3","6","1") = "9"
    & skf18("9","4","10","9","3","7","1") = "9"
    & skf18("9","4","10","9","3","8","1") = "9"
    & skf18("9","4","10","9","3","9","1") = "9"
    & skf18("9","4","10","9","3","10","1") = "9"
    & skf18("9","4","10","9","4","1","1") = "9"
    & skf18("9","4","10","9","4","2","1") = "9"
    & skf18("9","4","10","9","4","3","1") = "9"
    & skf18("9","4","10","9","4","4","1") = "9"
    & skf18("9","4","10","9","4","5","1") = "9"
    & skf18("9","4","10","9","4","6","1") = "9"
    & skf18("9","4","10","9","4","7","1") = "9"
    & skf18("9","4","10","9","4","8","1") = "9"
    & skf18("9","4","10","9","4","9","1") = "9"
    & skf18("9","4","10","9","4","10","1") = "9"
    & skf18("9","4","10","9","5","1","1") = "9"
    & skf18("9","4","10","9","5","2","1") = "9"
    & skf18("9","4","10","9","5","3","1") = "9"
    & skf18("9","4","10","9","5","4","1") = "9"
    & skf18("9","4","10","9","5","5","1") = "9"
    & skf18("9","4","10","9","5","6","1") = "9"
    & skf18("9","4","10","9","5","7","1") = "9"
    & skf18("9","4","10","9","5","8","1") = "9"
    & skf18("9","4","10","9","5","9","1") = "9"
    & skf18("9","4","10","9","5","10","1") = "9"
    & skf18("9","4","10","9","6","1","1") = "9"
    & skf18("9","4","10","9","6","2","1") = "9"
    & skf18("9","4","10","9","6","3","1") = "9"
    & skf18("9","4","10","9","6","4","1") = "9"
    & skf18("9","4","10","9","6","5","1") = "9"
    & skf18("9","4","10","9","6","6","1") = "9"
    & skf18("9","4","10","9","6","7","1") = "9"
    & skf18("9","4","10","9","6","8","1") = "9"
    & skf18("9","4","10","9","6","9","1") = "9"
    & skf18("9","4","10","9","6","10","1") = "9"
    & skf18("9","4","10","9","7","1","1") = "9"
    & skf18("9","4","10","9","7","2","1") = "9"
    & skf18("9","4","10","9","7","3","1") = "9"
    & skf18("9","4","10","9","7","4","1") = "9"
    & skf18("9","4","10","9","7","5","1") = "9"
    & skf18("9","4","10","9","7","6","1") = "9"
    & skf18("9","4","10","9","7","7","1") = "9"
    & skf18("9","4","10","9","7","8","1") = "9"
    & skf18("9","4","10","9","7","9","1") = "9"
    & skf18("9","4","10","9","7","10","1") = "9"
    & skf18("9","4","10","9","8","1","1") = "9"
    & skf18("9","4","10","9","8","2","1") = "9"
    & skf18("9","4","10","9","8","3","1") = "9"
    & skf18("9","4","10","9","8","4","1") = "9"
    & skf18("9","4","10","9","8","5","1") = "9"
    & skf18("9","4","10","9","8","6","1") = "9"
    & skf18("9","4","10","9","8","7","1") = "9"
    & skf18("9","4","10","9","8","8","1") = "9"
    & skf18("9","4","10","9","8","9","1") = "9"
    & skf18("9","4","10","9","8","10","1") = "9"
    & skf18("9","4","10","9","9","1","1") = "9"
    & skf18("9","4","10","9","9","2","1") = "9"
    & skf18("9","4","10","9","9","3","1") = "9"
    & skf18("9","4","10","9","9","4","1") = "9"
    & skf18("9","4","10","9","9","5","1") = "9"
    & skf18("9","4","10","9","9","6","1") = "9"
    & skf18("9","4","10","9","9","7","1") = "9"
    & skf18("9","4","10","9","9","8","1") = "9"
    & skf18("9","4","10","9","9","9","1") = "9"
    & skf18("9","4","10","9","9","10","1") = "9"
    & skf18("9","4","10","9","10","1","1") = "9"
    & skf18("9","4","10","9","10","2","1") = "9"
    & skf18("9","4","10","9","10","3","1") = "9"
    & skf18("9","4","10","9","10","4","1") = "9"
    & skf18("9","4","10","9","10","5","1") = "9"
    & skf18("9","4","10","9","10","6","1") = "9"
    & skf18("9","4","10","9","10","7","1") = "9"
    & skf18("9","4","10","9","10","8","1") = "9"
    & skf18("9","4","10","9","10","9","1") = "9"
    & skf18("9","4","10","9","10","10","1") = "9"
    & skf18("9","4","10","10","1","1","1") = "9"
    & skf18("9","4","10","10","1","2","1") = "9"
    & skf18("9","4","10","10","1","3","1") = "9"
    & skf18("9","4","10","10","1","4","1") = "9"
    & skf18("9","4","10","10","1","5","1") = "9"
    & skf18("9","4","10","10","1","6","1") = "9"
    & skf18("9","4","10","10","1","7","1") = "9"
    & skf18("9","4","10","10","1","8","1") = "9"
    & skf18("9","4","10","10","1","9","1") = "9"
    & skf18("9","4","10","10","1","10","1") = "9"
    & skf18("9","4","10","10","2","1","1") = "9"
    & skf18("9","4","10","10","2","2","1") = "9"
    & skf18("9","4","10","10","2","3","1") = "9"
    & skf18("9","4","10","10","2","4","1") = "9"
    & skf18("9","4","10","10","2","5","1") = "9"
    & skf18("9","4","10","10","2","6","1") = "9"
    & skf18("9","4","10","10","2","7","1") = "9"
    & skf18("9","4","10","10","2","8","1") = "9"
    & skf18("9","4","10","10","2","9","1") = "9"
    & skf18("9","4","10","10","2","10","1") = "9"
    & skf18("9","4","10","10","3","1","1") = "9"
    & skf18("9","4","10","10","3","2","1") = "9"
    & skf18("9","4","10","10","3","3","1") = "9"
    & skf18("9","4","10","10","3","4","1") = "9"
    & skf18("9","4","10","10","3","5","1") = "9"
    & skf18("9","4","10","10","3","6","1") = "9"
    & skf18("9","4","10","10","3","7","1") = "9"
    & skf18("9","4","10","10","3","8","1") = "9"
    & skf18("9","4","10","10","3","9","1") = "9"
    & skf18("9","4","10","10","3","10","1") = "9"
    & skf18("9","4","10","10","4","1","1") = "9"
    & skf18("9","4","10","10","4","2","1") = "9"
    & skf18("9","4","10","10","4","3","1") = "9"
    & skf18("9","4","10","10","4","4","1") = "9"
    & skf18("9","4","10","10","4","5","1") = "9"
    & skf18("9","4","10","10","4","6","1") = "9"
    & skf18("9","4","10","10","4","7","1") = "9"
    & skf18("9","4","10","10","4","8","1") = "9"
    & skf18("9","4","10","10","4","9","1") = "9"
    & skf18("9","4","10","10","4","10","1") = "9"
    & skf18("9","4","10","10","5","1","1") = "9"
    & skf18("9","4","10","10","5","2","1") = "9"
    & skf18("9","4","10","10","5","3","1") = "9"
    & skf18("9","4","10","10","5","4","1") = "9"
    & skf18("9","4","10","10","5","5","1") = "9"
    & skf18("9","4","10","10","5","6","1") = "9"
    & skf18("9","4","10","10","5","7","1") = "9"
    & skf18("9","4","10","10","5","8","1") = "9"
    & skf18("9","4","10","10","5","9","1") = "9"
    & skf18("9","4","10","10","5","10","1") = "9"
    & skf18("9","4","10","10","6","1","1") = "9"
    & skf18("9","4","10","10","6","2","1") = "9"
    & skf18("9","4","10","10","6","3","1") = "9"
    & skf18("9","4","10","10","6","4","1") = "9"
    & skf18("9","4","10","10","6","5","1") = "9"
    & skf18("9","4","10","10","6","6","1") = "9"
    & skf18("9","4","10","10","6","7","1") = "9"
    & skf18("9","4","10","10","6","8","1") = "9"
    & skf18("9","4","10","10","6","9","1") = "9"
    & skf18("9","4","10","10","6","10","1") = "9"
    & skf18("9","4","10","10","7","1","1") = "9"
    & skf18("9","4","10","10","7","2","1") = "9"
    & skf18("9","4","10","10","7","3","1") = "9"
    & skf18("9","4","10","10","7","4","1") = "9"
    & skf18("9","4","10","10","7","5","1") = "9"
    & skf18("9","4","10","10","7","6","1") = "9"
    & skf18("9","4","10","10","7","7","1") = "9"
    & skf18("9","4","10","10","7","8","1") = "9"
    & skf18("9","4","10","10","7","9","1") = "9"
    & skf18("9","4","10","10","7","10","1") = "9"
    & skf18("9","4","10","10","8","1","1") = "9"
    & skf18("9","4","10","10","8","2","1") = "9"
    & skf18("9","4","10","10","8","3","1") = "9"
    & skf18("9","4","10","10","8","4","1") = "9"
    & skf18("9","4","10","10","8","5","1") = "9"
    & skf18("9","4","10","10","8","6","1") = "9"
    & skf18("9","4","10","10","8","7","1") = "9"
    & skf18("9","4","10","10","8","8","1") = "9"
    & skf18("9","4","10","10","8","9","1") = "9"
    & skf18("9","4","10","10","8","10","1") = "9"
    & skf18("9","4","10","10","9","1","1") = "9"
    & skf18("9","4","10","10","9","2","1") = "9"
    & skf18("9","4","10","10","9","3","1") = "9"
    & skf18("9","4","10","10","9","4","1") = "9"
    & skf18("9","4","10","10","9","5","1") = "9"
    & skf18("9","4","10","10","9","6","1") = "9"
    & skf18("9","4","10","10","9","7","1") = "9"
    & skf18("9","4","10","10","9","8","1") = "9"
    & skf18("9","4","10","10","9","9","1") = "9"
    & skf18("9","4","10","10","9","10","1") = "9"
    & skf18("9","4","10","10","10","1","1") = "9"
    & skf18("9","4","10","10","10","2","1") = "9"
    & skf18("9","4","10","10","10","3","1") = "9"
    & skf18("9","4","10","10","10","4","1") = "9"
    & skf18("9","4","10","10","10","5","1") = "9"
    & skf18("9","4","10","10","10","6","1") = "9"
    & skf18("9","4","10","10","10","7","1") = "9"
    & skf18("9","4","10","10","10","8","1") = "9"
    & skf18("9","4","10","10","10","9","1") = "9"
    & skf18("9","4","10","10","10","10","1") = "9"
    & skf18("9","5","1","1","1","1","1") = "8"
    & skf18("9","5","1","1","1","2","1") = "8"
    & skf18("9","5","1","1","1","3","1") = "8"
    & skf18("9","5","1","1","1","4","1") = "8"
    & skf18("9","5","1","1","1","5","1") = "8"
    & skf18("9","5","1","1","1","6","1") = "8"
    & skf18("9","5","1","1","1","7","1") = "8"
    & skf18("9","5","1","1","1","8","1") = "8"
    & skf18("9","5","1","1","1","9","1") = "8"
    & skf18("9","5","1","1","1","10","1") = "9"
    & skf18("9","5","1","1","2","1","1") = "8"
    & skf18("9","5","1","1","2","2","1") = "8"
    & skf18("9","5","1","1","2","3","1") = "8"
    & skf18("9","5","1","1","2","4","1") = "8"
    & skf18("9","5","1","1","2","5","1") = "8"
    & skf18("9","5","1","1","2","6","1") = "8"
    & skf18("9","5","1","1","2","7","1") = "8"
    & skf18("9","5","1","1","2","8","1") = "8"
    & skf18("9","5","1","1","2","9","1") = "8"
    & skf18("9","5","1","1","2","10","1") = "9"
    & skf18("9","5","1","1","3","1","1") = "8"
    & skf18("9","5","1","1","3","2","1") = "8"
    & skf18("9","5","1","1","3","3","1") = "8"
    & skf18("9","5","1","1","3","4","1") = "8"
    & skf18("9","5","1","1","3","5","1") = "8"
    & skf18("9","5","1","1","3","6","1") = "8"
    & skf18("9","5","1","1","3","7","1") = "8"
    & skf18("9","5","1","1","3","8","1") = "8"
    & skf18("9","5","1","1","3","9","1") = "8"
    & skf18("9","5","1","1","3","10","1") = "9"
    & skf18("9","5","1","1","4","1","1") = "8"
    & skf18("9","5","1","1","4","2","1") = "8"
    & skf18("9","5","1","1","4","3","1") = "8"
    & skf18("9","5","1","1","4","4","1") = "8"
    & skf18("9","5","1","1","4","5","1") = "8"
    & skf18("9","5","1","1","4","6","1") = "8"
    & skf18("9","5","1","1","4","7","1") = "8"
    & skf18("9","5","1","1","4","8","1") = "8"
    & skf18("9","5","1","1","4","9","1") = "8"
    & skf18("9","5","1","1","4","10","1") = "9"
    & skf18("9","5","1","1","5","1","1") = "8"
    & skf18("9","5","1","1","5","2","1") = "8"
    & skf18("9","5","1","1","5","3","1") = "8"
    & skf18("9","5","1","1","5","4","1") = "8"
    & skf18("9","5","1","1","5","5","1") = "8"
    & skf18("9","5","1","1","5","6","1") = "8"
    & skf18("9","5","1","1","5","7","1") = "8"
    & skf18("9","5","1","1","5","8","1") = "8"
    & skf18("9","5","1","1","5","9","1") = "8"
    & skf18("9","5","1","1","5","10","1") = "9"
    & skf18("9","5","1","1","6","1","1") = "8"
    & skf18("9","5","1","1","6","2","1") = "8"
    & skf18("9","5","1","1","6","3","1") = "8"
    & skf18("9","5","1","1","6","4","1") = "8"
    & skf18("9","5","1","1","6","5","1") = "8"
    & skf18("9","5","1","1","6","6","1") = "8"
    & skf18("9","5","1","1","6","7","1") = "8"
    & skf18("9","5","1","1","6","8","1") = "8"
    & skf18("9","5","1","1","6","9","1") = "8"
    & skf18("9","5","1","1","6","10","1") = "9"
    & skf18("9","5","1","1","7","1","1") = "8"
    & skf18("9","5","1","1","7","2","1") = "8"
    & skf18("9","5","1","1","7","3","1") = "8"
    & skf18("9","5","1","1","7","4","1") = "8"
    & skf18("9","5","1","1","7","5","1") = "8"
    & skf18("9","5","1","1","7","6","1") = "8"
    & skf18("9","5","1","1","7","7","1") = "8"
    & skf18("9","5","1","1","7","8","1") = "8"
    & skf18("9","5","1","1","7","9","1") = "8"
    & skf18("9","5","1","1","7","10","1") = "9"
    & skf18("9","5","1","1","8","1","1") = "8"
    & skf18("9","5","1","1","8","2","1") = "8"
    & skf18("9","5","1","1","8","3","1") = "8"
    & skf18("9","5","1","1","8","4","1") = "8"
    & skf18("9","5","1","1","8","5","1") = "8"
    & skf18("9","5","1","1","8","6","1") = "8"
    & skf18("9","5","1","1","8","7","1") = "8"
    & skf18("9","5","1","1","8","8","1") = "8"
    & skf18("9","5","1","1","8","9","1") = "8"
    & skf18("9","5","1","1","8","10","1") = "9"
    & skf18("9","5","1","1","9","1","1") = "8"
    & skf18("9","5","1","1","9","2","1") = "8"
    & skf18("9","5","1","1","9","3","1") = "8"
    & skf18("9","5","1","1","9","4","1") = "8"
    & skf18("9","5","1","1","9","5","1") = "8"
    & skf18("9","5","1","1","9","6","1") = "8"
    & skf18("9","5","1","1","9","7","1") = "8"
    & skf18("9","5","1","1","9","8","1") = "8"
    & skf18("9","5","1","1","9","9","1") = "8"
    & skf18("9","5","1","1","9","10","1") = "9"
    & skf18("9","5","1","1","10","1","1") = "9"
    & skf18("9","5","1","1","10","2","1") = "9"
    & skf18("9","5","1","1","10","3","1") = "9"
    & skf18("9","5","1","1","10","4","1") = "9"
    & skf18("9","5","1","1","10","5","1") = "9"
    & skf18("9","5","1","1","10","6","1") = "9"
    & skf18("9","5","1","1","10","7","1") = "9"
    & skf18("9","5","1","1","10","8","1") = "9"
    & skf18("9","5","1","1","10","9","1") = "9"
    & skf18("9","5","1","1","10","10","1") = "9"
    & skf18("9","5","1","2","1","1","1") = "8"
    & skf18("9","5","1","2","1","2","1") = "8"
    & skf18("9","5","1","2","1","3","1") = "8"
    & skf18("9","5","1","2","1","4","1") = "8"
    & skf18("9","5","1","2","1","5","1") = "8"
    & skf18("9","5","1","2","1","6","1") = "8"
    & skf18("9","5","1","2","1","7","1") = "8"
    & skf18("9","5","1","2","1","8","1") = "8"
    & skf18("9","5","1","2","1","9","1") = "8"
    & skf18("9","5","1","2","1","10","1") = "9"
    & skf18("9","5","1","2","2","1","1") = "8"
    & skf18("9","5","1","2","2","2","1") = "8"
    & skf18("9","5","1","2","2","3","1") = "8"
    & skf18("9","5","1","2","2","4","1") = "8"
    & skf18("9","5","1","2","2","5","1") = "8"
    & skf18("9","5","1","2","2","6","1") = "8"
    & skf18("9","5","1","2","2","7","1") = "8"
    & skf18("9","5","1","2","2","8","1") = "8"
    & skf18("9","5","1","2","2","9","1") = "8"
    & skf18("9","5","1","2","2","10","1") = "9"
    & skf18("9","5","1","2","3","1","1") = "8"
    & skf18("9","5","1","2","3","2","1") = "8"
    & skf18("9","5","1","2","3","3","1") = "8"
    & skf18("9","5","1","2","3","4","1") = "8"
    & skf18("9","5","1","2","3","5","1") = "8"
    & skf18("9","5","1","2","3","6","1") = "8"
    & skf18("9","5","1","2","3","7","1") = "8"
    & skf18("9","5","1","2","3","8","1") = "8"
    & skf18("9","5","1","2","3","9","1") = "8"
    & skf18("9","5","1","2","3","10","1") = "9"
    & skf18("9","5","1","2","4","1","1") = "8"
    & skf18("9","5","1","2","4","2","1") = "8"
    & skf18("9","5","1","2","4","3","1") = "8"
    & skf18("9","5","1","2","4","4","1") = "8"
    & skf18("9","5","1","2","4","5","1") = "8"
    & skf18("9","5","1","2","4","6","1") = "8"
    & skf18("9","5","1","2","4","7","1") = "8"
    & skf18("9","5","1","2","4","8","1") = "8"
    & skf18("9","5","1","2","4","9","1") = "8"
    & skf18("9","5","1","2","4","10","1") = "9"
    & skf18("9","5","1","2","5","1","1") = "8"
    & skf18("9","5","1","2","5","2","1") = "8"
    & skf18("9","5","1","2","5","3","1") = "8"
    & skf18("9","5","1","2","5","4","1") = "8"
    & skf18("9","5","1","2","5","5","1") = "8"
    & skf18("9","5","1","2","5","6","1") = "8"
    & skf18("9","5","1","2","5","7","1") = "8"
    & skf18("9","5","1","2","5","8","1") = "8"
    & skf18("9","5","1","2","5","9","1") = "8"
    & skf18("9","5","1","2","5","10","1") = "9"
    & skf18("9","5","1","2","6","1","1") = "8"
    & skf18("9","5","1","2","6","2","1") = "8"
    & skf18("9","5","1","2","6","3","1") = "8"
    & skf18("9","5","1","2","6","4","1") = "8"
    & skf18("9","5","1","2","6","5","1") = "8"
    & skf18("9","5","1","2","6","6","1") = "8"
    & skf18("9","5","1","2","6","7","1") = "8"
    & skf18("9","5","1","2","6","8","1") = "8"
    & skf18("9","5","1","2","6","9","1") = "8"
    & skf18("9","5","1","2","6","10","1") = "9"
    & skf18("9","5","1","2","7","1","1") = "8"
    & skf18("9","5","1","2","7","2","1") = "8"
    & skf18("9","5","1","2","7","3","1") = "8"
    & skf18("9","5","1","2","7","4","1") = "8"
    & skf18("9","5","1","2","7","5","1") = "8"
    & skf18("9","5","1","2","7","6","1") = "8"
    & skf18("9","5","1","2","7","7","1") = "8"
    & skf18("9","5","1","2","7","8","1") = "8"
    & skf18("9","5","1","2","7","9","1") = "8"
    & skf18("9","5","1","2","7","10","1") = "9"
    & skf18("9","5","1","2","8","1","1") = "8"
    & skf18("9","5","1","2","8","2","1") = "8"
    & skf18("9","5","1","2","8","3","1") = "8"
    & skf18("9","5","1","2","8","4","1") = "8"
    & skf18("9","5","1","2","8","5","1") = "8"
    & skf18("9","5","1","2","8","6","1") = "8"
    & skf18("9","5","1","2","8","7","1") = "8"
    & skf18("9","5","1","2","8","8","1") = "8"
    & skf18("9","5","1","2","8","9","1") = "8"
    & skf18("9","5","1","2","8","10","1") = "9"
    & skf18("9","5","1","2","9","1","1") = "8"
    & skf18("9","5","1","2","9","2","1") = "8"
    & skf18("9","5","1","2","9","3","1") = "8"
    & skf18("9","5","1","2","9","4","1") = "8"
    & skf18("9","5","1","2","9","5","1") = "8"
    & skf18("9","5","1","2","9","6","1") = "8"
    & skf18("9","5","1","2","9","7","1") = "8"
    & skf18("9","5","1","2","9","8","1") = "8"
    & skf18("9","5","1","2","9","9","1") = "8"
    & skf18("9","5","1","2","9","10","1") = "9"
    & skf18("9","5","1","2","10","1","1") = "9"
    & skf18("9","5","1","2","10","2","1") = "9"
    & skf18("9","5","1","2","10","3","1") = "9"
    & skf18("9","5","1","2","10","4","1") = "9"
    & skf18("9","5","1","2","10","5","1") = "9"
    & skf18("9","5","1","2","10","6","1") = "9"
    & skf18("9","5","1","2","10","7","1") = "9"
    & skf18("9","5","1","2","10","8","1") = "9"
    & skf18("9","5","1","2","10","9","1") = "9"
    & skf18("9","5","1","2","10","10","1") = "9"
    & skf18("9","5","1","3","1","1","1") = "8"
    & skf18("9","5","1","3","1","2","1") = "8"
    & skf18("9","5","1","3","1","3","1") = "8"
    & skf18("9","5","1","3","1","4","1") = "8"
    & skf18("9","5","1","3","1","5","1") = "8"
    & skf18("9","5","1","3","1","6","1") = "8"
    & skf18("9","5","1","3","1","7","1") = "8"
    & skf18("9","5","1","3","1","8","1") = "8"
    & skf18("9","5","1","3","1","9","1") = "8"
    & skf18("9","5","1","3","1","10","1") = "9"
    & skf18("9","5","1","3","2","1","1") = "8"
    & skf18("9","5","1","3","2","2","1") = "8"
    & skf18("9","5","1","3","2","3","1") = "8"
    & skf18("9","5","1","3","2","4","1") = "8"
    & skf18("9","5","1","3","2","5","1") = "8"
    & skf18("9","5","1","3","2","6","1") = "8"
    & skf18("9","5","1","3","2","7","1") = "8"
    & skf18("9","5","1","3","2","8","1") = "8"
    & skf18("9","5","1","3","2","9","1") = "8"
    & skf18("9","5","1","3","2","10","1") = "9"
    & skf18("9","5","1","3","3","1","1") = "8"
    & skf18("9","5","1","3","3","2","1") = "8"
    & skf18("9","5","1","3","3","3","1") = "8"
    & skf18("9","5","1","3","3","4","1") = "8"
    & skf18("9","5","1","3","3","5","1") = "8"
    & skf18("9","5","1","3","3","6","1") = "8"
    & skf18("9","5","1","3","3","7","1") = "8"
    & skf18("9","5","1","3","3","8","1") = "8"
    & skf18("9","5","1","3","3","9","1") = "8"
    & skf18("9","5","1","3","3","10","1") = "9"
    & skf18("9","5","1","3","4","1","1") = "8"
    & skf18("9","5","1","3","4","2","1") = "8"
    & skf18("9","5","1","3","4","3","1") = "8"
    & skf18("9","5","1","3","4","4","1") = "8"
    & skf18("9","5","1","3","4","5","1") = "8"
    & skf18("9","5","1","3","4","6","1") = "8"
    & skf18("9","5","1","3","4","7","1") = "8"
    & skf18("9","5","1","3","4","8","1") = "8"
    & skf18("9","5","1","3","4","9","1") = "8"
    & skf18("9","5","1","3","4","10","1") = "9"
    & skf18("9","5","1","3","5","1","1") = "8"
    & skf18("9","5","1","3","5","2","1") = "8"
    & skf18("9","5","1","3","5","3","1") = "8"
    & skf18("9","5","1","3","5","4","1") = "8"
    & skf18("9","5","1","3","5","5","1") = "8"
    & skf18("9","5","1","3","5","6","1") = "8"
    & skf18("9","5","1","3","5","7","1") = "8"
    & skf18("9","5","1","3","5","8","1") = "8"
    & skf18("9","5","1","3","5","9","1") = "8"
    & skf18("9","5","1","3","5","10","1") = "9"
    & skf18("9","5","1","3","6","1","1") = "8"
    & skf18("9","5","1","3","6","2","1") = "8"
    & skf18("9","5","1","3","6","3","1") = "8"
    & skf18("9","5","1","3","6","4","1") = "8"
    & skf18("9","5","1","3","6","5","1") = "8"
    & skf18("9","5","1","3","6","6","1") = "8"
    & skf18("9","5","1","3","6","7","1") = "8"
    & skf18("9","5","1","3","6","8","1") = "8"
    & skf18("9","5","1","3","6","9","1") = "8"
    & skf18("9","5","1","3","6","10","1") = "9"
    & skf18("9","5","1","3","7","1","1") = "8"
    & skf18("9","5","1","3","7","2","1") = "8"
    & skf18("9","5","1","3","7","3","1") = "8"
    & skf18("9","5","1","3","7","4","1") = "8"
    & skf18("9","5","1","3","7","5","1") = "8"
    & skf18("9","5","1","3","7","6","1") = "8"
    & skf18("9","5","1","3","7","7","1") = "8"
    & skf18("9","5","1","3","7","8","1") = "8"
    & skf18("9","5","1","3","7","9","1") = "8"
    & skf18("9","5","1","3","7","10","1") = "9"
    & skf18("9","5","1","3","8","1","1") = "8"
    & skf18("9","5","1","3","8","2","1") = "8"
    & skf18("9","5","1","3","8","3","1") = "8"
    & skf18("9","5","1","3","8","4","1") = "8"
    & skf18("9","5","1","3","8","5","1") = "8"
    & skf18("9","5","1","3","8","6","1") = "8"
    & skf18("9","5","1","3","8","7","1") = "8"
    & skf18("9","5","1","3","8","8","1") = "8"
    & skf18("9","5","1","3","8","9","1") = "8"
    & skf18("9","5","1","3","8","10","1") = "9"
    & skf18("9","5","1","3","9","1","1") = "8"
    & skf18("9","5","1","3","9","2","1") = "8"
    & skf18("9","5","1","3","9","3","1") = "8"
    & skf18("9","5","1","3","9","4","1") = "8"
    & skf18("9","5","1","3","9","5","1") = "8"
    & skf18("9","5","1","3","9","6","1") = "8"
    & skf18("9","5","1","3","9","7","1") = "8"
    & skf18("9","5","1","3","9","8","1") = "8"
    & skf18("9","5","1","3","9","9","1") = "8"
    & skf18("9","5","1","3","9","10","1") = "9"
    & skf18("9","5","1","3","10","1","1") = "9"
    & skf18("9","5","1","3","10","2","1") = "9"
    & skf18("9","5","1","3","10","3","1") = "9"
    & skf18("9","5","1","3","10","4","1") = "9"
    & skf18("9","5","1","3","10","5","1") = "9"
    & skf18("9","5","1","3","10","6","1") = "9"
    & skf18("9","5","1","3","10","7","1") = "9"
    & skf18("9","5","1","3","10","8","1") = "9"
    & skf18("9","5","1","3","10","9","1") = "9"
    & skf18("9","5","1","3","10","10","1") = "9"
    & skf18("9","5","1","4","1","1","1") = "8"
    & skf18("9","5","1","4","1","2","1") = "8"
    & skf18("9","5","1","4","1","3","1") = "8"
    & skf18("9","5","1","4","1","4","1") = "8"
    & skf18("9","5","1","4","1","5","1") = "8"
    & skf18("9","5","1","4","1","6","1") = "8"
    & skf18("9","5","1","4","1","7","1") = "8"
    & skf18("9","5","1","4","1","8","1") = "8"
    & skf18("9","5","1","4","1","9","1") = "8"
    & skf18("9","5","1","4","1","10","1") = "9"
    & skf18("9","5","1","4","2","1","1") = "8"
    & skf18("9","5","1","4","2","2","1") = "8"
    & skf18("9","5","1","4","2","3","1") = "8"
    & skf18("9","5","1","4","2","4","1") = "8"
    & skf18("9","5","1","4","2","5","1") = "8"
    & skf18("9","5","1","4","2","6","1") = "8"
    & skf18("9","5","1","4","2","7","1") = "8"
    & skf18("9","5","1","4","2","8","1") = "8"
    & skf18("9","5","1","4","2","9","1") = "8"
    & skf18("9","5","1","4","2","10","1") = "9"
    & skf18("9","5","1","4","3","1","1") = "8"
    & skf18("9","5","1","4","3","2","1") = "8"
    & skf18("9","5","1","4","3","3","1") = "8"
    & skf18("9","5","1","4","3","4","1") = "8"
    & skf18("9","5","1","4","3","5","1") = "8"
    & skf18("9","5","1","4","3","6","1") = "8"
    & skf18("9","5","1","4","3","7","1") = "8"
    & skf18("9","5","1","4","3","8","1") = "8"
    & skf18("9","5","1","4","3","9","1") = "8"
    & skf18("9","5","1","4","3","10","1") = "9"
    & skf18("9","5","1","4","4","1","1") = "8"
    & skf18("9","5","1","4","4","2","1") = "8"
    & skf18("9","5","1","4","4","3","1") = "8"
    & skf18("9","5","1","4","4","4","1") = "8"
    & skf18("9","5","1","4","4","5","1") = "8"
    & skf18("9","5","1","4","4","6","1") = "8"
    & skf18("9","5","1","4","4","7","1") = "8"
    & skf18("9","5","1","4","4","8","1") = "8"
    & skf18("9","5","1","4","4","9","1") = "8"
    & skf18("9","5","1","4","4","10","1") = "9"
    & skf18("9","5","1","4","5","1","1") = "8"
    & skf18("9","5","1","4","5","2","1") = "8"
    & skf18("9","5","1","4","5","3","1") = "8"
    & skf18("9","5","1","4","5","4","1") = "8"
    & skf18("9","5","1","4","5","5","1") = "8"
    & skf18("9","5","1","4","5","6","1") = "8"
    & skf18("9","5","1","4","5","7","1") = "8"
    & skf18("9","5","1","4","5","8","1") = "8"
    & skf18("9","5","1","4","5","9","1") = "8"
    & skf18("9","5","1","4","5","10","1") = "9"
    & skf18("9","5","1","4","6","1","1") = "8"
    & skf18("9","5","1","4","6","2","1") = "8"
    & skf18("9","5","1","4","6","3","1") = "8"
    & skf18("9","5","1","4","6","4","1") = "8"
    & skf18("9","5","1","4","6","5","1") = "8"
    & skf18("9","5","1","4","6","6","1") = "8"
    & skf18("9","5","1","4","6","7","1") = "8"
    & skf18("9","5","1","4","6","8","1") = "8"
    & skf18("9","5","1","4","6","9","1") = "8"
    & skf18("9","5","1","4","6","10","1") = "9"
    & skf18("9","5","1","4","7","1","1") = "8"
    & skf18("9","5","1","4","7","2","1") = "8"
    & skf18("9","5","1","4","7","3","1") = "8"
    & skf18("9","5","1","4","7","4","1") = "8"
    & skf18("9","5","1","4","7","5","1") = "8"
    & skf18("9","5","1","4","7","6","1") = "8"
    & skf18("9","5","1","4","7","7","1") = "8"
    & skf18("9","5","1","4","7","8","1") = "8"
    & skf18("9","5","1","4","7","9","1") = "8"
    & skf18("9","5","1","4","7","10","1") = "9"
    & skf18("9","5","1","4","8","1","1") = "8"
    & skf18("9","5","1","4","8","2","1") = "8"
    & skf18("9","5","1","4","8","3","1") = "8"
    & skf18("9","5","1","4","8","4","1") = "8"
    & skf18("9","5","1","4","8","5","1") = "8"
    & skf18("9","5","1","4","8","6","1") = "8"
    & skf18("9","5","1","4","8","7","1") = "8"
    & skf18("9","5","1","4","8","8","1") = "8"
    & skf18("9","5","1","4","8","9","1") = "8"
    & skf18("9","5","1","4","8","10","1") = "9"
    & skf18("9","5","1","4","9","1","1") = "8"
    & skf18("9","5","1","4","9","2","1") = "8"
    & skf18("9","5","1","4","9","3","1") = "8"
    & skf18("9","5","1","4","9","4","1") = "8"
    & skf18("9","5","1","4","9","5","1") = "8"
    & skf18("9","5","1","4","9","6","1") = "8"
    & skf18("9","5","1","4","9","7","1") = "8"
    & skf18("9","5","1","4","9","8","1") = "8"
    & skf18("9","5","1","4","9","9","1") = "8"
    & skf18("9","5","1","4","9","10","1") = "9"
    & skf18("9","5","1","4","10","1","1") = "9"
    & skf18("9","5","1","4","10","2","1") = "9"
    & skf18("9","5","1","4","10","3","1") = "9"
    & skf18("9","5","1","4","10","4","1") = "9"
    & skf18("9","5","1","4","10","5","1") = "9"
    & skf18("9","5","1","4","10","6","1") = "9"
    & skf18("9","5","1","4","10","7","1") = "9"
    & skf18("9","5","1","4","10","8","1") = "9"
    & skf18("9","5","1","4","10","9","1") = "9"
    & skf18("9","5","1","4","10","10","1") = "9"
    & skf18("9","5","1","5","1","1","1") = "8"
    & skf18("9","5","1","5","1","2","1") = "8"
    & skf18("9","5","1","5","1","3","1") = "8"
    & skf18("9","5","1","5","1","4","1") = "8"
    & skf18("9","5","1","5","1","5","1") = "8"
    & skf18("9","5","1","5","1","6","1") = "8"
    & skf18("9","5","1","5","1","7","1") = "8"
    & skf18("9","5","1","5","1","8","1") = "8"
    & skf18("9","5","1","5","1","9","1") = "8"
    & skf18("9","5","1","5","1","10","1") = "9"
    & skf18("9","5","1","5","2","1","1") = "8"
    & skf18("9","5","1","5","2","2","1") = "8"
    & skf18("9","5","1","5","2","3","1") = "8"
    & skf18("9","5","1","5","2","4","1") = "8"
    & skf18("9","5","1","5","2","5","1") = "8"
    & skf18("9","5","1","5","2","6","1") = "8"
    & skf18("9","5","1","5","2","7","1") = "8"
    & skf18("9","5","1","5","2","8","1") = "8"
    & skf18("9","5","1","5","2","9","1") = "8"
    & skf18("9","5","1","5","2","10","1") = "9"
    & skf18("9","5","1","5","3","1","1") = "8"
    & skf18("9","5","1","5","3","2","1") = "8"
    & skf18("9","5","1","5","3","3","1") = "8"
    & skf18("9","5","1","5","3","4","1") = "8"
    & skf18("9","5","1","5","3","5","1") = "8"
    & skf18("9","5","1","5","3","6","1") = "8"
    & skf18("9","5","1","5","3","7","1") = "8"
    & skf18("9","5","1","5","3","8","1") = "8"
    & skf18("9","5","1","5","3","9","1") = "8"
    & skf18("9","5","1","5","3","10","1") = "9"
    & skf18("9","5","1","5","4","1","1") = "8"
    & skf18("9","5","1","5","4","2","1") = "8"
    & skf18("9","5","1","5","4","3","1") = "8"
    & skf18("9","5","1","5","4","4","1") = "8"
    & skf18("9","5","1","5","4","5","1") = "8"
    & skf18("9","5","1","5","4","6","1") = "8"
    & skf18("9","5","1","5","4","7","1") = "8"
    & skf18("9","5","1","5","4","8","1") = "8"
    & skf18("9","5","1","5","4","9","1") = "8"
    & skf18("9","5","1","5","4","10","1") = "9"
    & skf18("9","5","1","5","5","1","1") = "8"
    & skf18("9","5","1","5","5","2","1") = "8"
    & skf18("9","5","1","5","5","3","1") = "8"
    & skf18("9","5","1","5","5","4","1") = "8"
    & skf18("9","5","1","5","5","5","1") = "8"
    & skf18("9","5","1","5","5","6","1") = "8"
    & skf18("9","5","1","5","5","7","1") = "8"
    & skf18("9","5","1","5","5","8","1") = "8"
    & skf18("9","5","1","5","5","9","1") = "8"
    & skf18("9","5","1","5","5","10","1") = "9"
    & skf18("9","5","1","5","6","1","1") = "8"
    & skf18("9","5","1","5","6","2","1") = "8"
    & skf18("9","5","1","5","6","3","1") = "8"
    & skf18("9","5","1","5","6","4","1") = "8"
    & skf18("9","5","1","5","6","5","1") = "8"
    & skf18("9","5","1","5","6","6","1") = "8"
    & skf18("9","5","1","5","6","7","1") = "8"
    & skf18("9","5","1","5","6","8","1") = "8"
    & skf18("9","5","1","5","6","9","1") = "8"
    & skf18("9","5","1","5","6","10","1") = "9"
    & skf18("9","5","1","5","7","1","1") = "8"
    & skf18("9","5","1","5","7","2","1") = "8"
    & skf18("9","5","1","5","7","3","1") = "8"
    & skf18("9","5","1","5","7","4","1") = "8"
    & skf18("9","5","1","5","7","5","1") = "8"
    & skf18("9","5","1","5","7","6","1") = "8"
    & skf18("9","5","1","5","7","7","1") = "8"
    & skf18("9","5","1","5","7","8","1") = "8"
    & skf18("9","5","1","5","7","9","1") = "8"
    & skf18("9","5","1","5","7","10","1") = "9"
    & skf18("9","5","1","5","8","1","1") = "8"
    & skf18("9","5","1","5","8","2","1") = "8"
    & skf18("9","5","1","5","8","3","1") = "8"
    & skf18("9","5","1","5","8","4","1") = "8"
    & skf18("9","5","1","5","8","5","1") = "8"
    & skf18("9","5","1","5","8","6","1") = "8"
    & skf18("9","5","1","5","8","7","1") = "8"
    & skf18("9","5","1","5","8","8","1") = "8"
    & skf18("9","5","1","5","8","9","1") = "8"
    & skf18("9","5","1","5","8","10","1") = "9"
    & skf18("9","5","1","5","9","1","1") = "8"
    & skf18("9","5","1","5","9","2","1") = "8"
    & skf18("9","5","1","5","9","3","1") = "8"
    & skf18("9","5","1","5","9","4","1") = "8"
    & skf18("9","5","1","5","9","5","1") = "8"
    & skf18("9","5","1","5","9","6","1") = "8"
    & skf18("9","5","1","5","9","7","1") = "8"
    & skf18("9","5","1","5","9","8","1") = "8"
    & skf18("9","5","1","5","9","9","1") = "8"
    & skf18("9","5","1","5","9","10","1") = "9"
    & skf18("9","5","1","5","10","1","1") = "9"
    & skf18("9","5","1","5","10","2","1") = "9"
    & skf18("9","5","1","5","10","3","1") = "9"
    & skf18("9","5","1","5","10","4","1") = "9"
    & skf18("9","5","1","5","10","5","1") = "9"
    & skf18("9","5","1","5","10","6","1") = "9"
    & skf18("9","5","1","5","10","7","1") = "9"
    & skf18("9","5","1","5","10","8","1") = "9"
    & skf18("9","5","1","5","10","9","1") = "9"
    & skf18("9","5","1","5","10","10","1") = "9"
    & skf18("9","5","1","6","1","1","1") = "8"
    & skf18("9","5","1","6","1","2","1") = "8"
    & skf18("9","5","1","6","1","3","1") = "8"
    & skf18("9","5","1","6","1","4","1") = "8"
    & skf18("9","5","1","6","1","5","1") = "8"
    & skf18("9","5","1","6","1","6","1") = "8"
    & skf18("9","5","1","6","1","7","1") = "8"
    & skf18("9","5","1","6","1","8","1") = "8"
    & skf18("9","5","1","6","1","9","1") = "8"
    & skf18("9","5","1","6","1","10","1") = "9"
    & skf18("9","5","1","6","2","1","1") = "8"
    & skf18("9","5","1","6","2","2","1") = "8"
    & skf18("9","5","1","6","2","3","1") = "8"
    & skf18("9","5","1","6","2","4","1") = "8"
    & skf18("9","5","1","6","2","5","1") = "8"
    & skf18("9","5","1","6","2","6","1") = "8"
    & skf18("9","5","1","6","2","7","1") = "8"
    & skf18("9","5","1","6","2","8","1") = "8"
    & skf18("9","5","1","6","2","9","1") = "8"
    & skf18("9","5","1","6","2","10","1") = "9"
    & skf18("9","5","1","6","3","1","1") = "8"
    & skf18("9","5","1","6","3","2","1") = "8"
    & skf18("9","5","1","6","3","3","1") = "8"
    & skf18("9","5","1","6","3","4","1") = "8"
    & skf18("9","5","1","6","3","5","1") = "8"
    & skf18("9","5","1","6","3","6","1") = "8"
    & skf18("9","5","1","6","3","7","1") = "8"
    & skf18("9","5","1","6","3","8","1") = "8"
    & skf18("9","5","1","6","3","9","1") = "8"
    & skf18("9","5","1","6","3","10","1") = "9"
    & skf18("9","5","1","6","4","1","1") = "8"
    & skf18("9","5","1","6","4","2","1") = "8"
    & skf18("9","5","1","6","4","3","1") = "8"
    & skf18("9","5","1","6","4","4","1") = "8"
    & skf18("9","5","1","6","4","5","1") = "8"
    & skf18("9","5","1","6","4","6","1") = "8"
    & skf18("9","5","1","6","4","7","1") = "8"
    & skf18("9","5","1","6","4","8","1") = "8"
    & skf18("9","5","1","6","4","9","1") = "8"
    & skf18("9","5","1","6","4","10","1") = "9"
    & skf18("9","5","1","6","5","1","1") = "8"
    & skf18("9","5","1","6","5","2","1") = "8"
    & skf18("9","5","1","6","5","3","1") = "8"
    & skf18("9","5","1","6","5","4","1") = "8"
    & skf18("9","5","1","6","5","5","1") = "8"
    & skf18("9","5","1","6","5","6","1") = "8"
    & skf18("9","5","1","6","5","7","1") = "8"
    & skf18("9","5","1","6","5","8","1") = "8"
    & skf18("9","5","1","6","5","9","1") = "8"
    & skf18("9","5","1","6","5","10","1") = "9"
    & skf18("9","5","1","6","6","1","1") = "8"
    & skf18("9","5","1","6","6","2","1") = "8"
    & skf18("9","5","1","6","6","3","1") = "8"
    & skf18("9","5","1","6","6","4","1") = "8"
    & skf18("9","5","1","6","6","5","1") = "8"
    & skf18("9","5","1","6","6","6","1") = "8"
    & skf18("9","5","1","6","6","7","1") = "8"
    & skf18("9","5","1","6","6","8","1") = "8"
    & skf18("9","5","1","6","6","9","1") = "8"
    & skf18("9","5","1","6","6","10","1") = "9"
    & skf18("9","5","1","6","7","1","1") = "8"
    & skf18("9","5","1","6","7","2","1") = "8"
    & skf18("9","5","1","6","7","3","1") = "8"
    & skf18("9","5","1","6","7","4","1") = "8"
    & skf18("9","5","1","6","7","5","1") = "8"
    & skf18("9","5","1","6","7","6","1") = "8"
    & skf18("9","5","1","6","7","7","1") = "8"
    & skf18("9","5","1","6","7","8","1") = "8"
    & skf18("9","5","1","6","7","9","1") = "8"
    & skf18("9","5","1","6","7","10","1") = "9"
    & skf18("9","5","1","6","8","1","1") = "8"
    & skf18("9","5","1","6","8","2","1") = "8"
    & skf18("9","5","1","6","8","3","1") = "8"
    & skf18("9","5","1","6","8","4","1") = "8"
    & skf18("9","5","1","6","8","5","1") = "8"
    & skf18("9","5","1","6","8","6","1") = "8"
    & skf18("9","5","1","6","8","7","1") = "8"
    & skf18("9","5","1","6","8","8","1") = "8"
    & skf18("9","5","1","6","8","9","1") = "8"
    & skf18("9","5","1","6","8","10","1") = "9"
    & skf18("9","5","1","6","9","1","1") = "8"
    & skf18("9","5","1","6","9","2","1") = "8"
    & skf18("9","5","1","6","9","3","1") = "8"
    & skf18("9","5","1","6","9","4","1") = "8"
    & skf18("9","5","1","6","9","5","1") = "8"
    & skf18("9","5","1","6","9","6","1") = "8"
    & skf18("9","5","1","6","9","7","1") = "8"
    & skf18("9","5","1","6","9","8","1") = "8"
    & skf18("9","5","1","6","9","9","1") = "8"
    & skf18("9","5","1","6","9","10","1") = "9"
    & skf18("9","5","1","6","10","1","1") = "9"
    & skf18("9","5","1","6","10","2","1") = "9"
    & skf18("9","5","1","6","10","3","1") = "9"
    & skf18("9","5","1","6","10","4","1") = "9"
    & skf18("9","5","1","6","10","5","1") = "9"
    & skf18("9","5","1","6","10","6","1") = "9"
    & skf18("9","5","1","6","10","7","1") = "9"
    & skf18("9","5","1","6","10","8","1") = "9"
    & skf18("9","5","1","6","10","9","1") = "9"
    & skf18("9","5","1","6","10","10","1") = "9"
    & skf18("9","5","1","7","1","1","1") = "8"
    & skf18("9","5","1","7","1","2","1") = "8"
    & skf18("9","5","1","7","1","3","1") = "8"
    & skf18("9","5","1","7","1","4","1") = "8"
    & skf18("9","5","1","7","1","5","1") = "8"
    & skf18("9","5","1","7","1","6","1") = "8"
    & skf18("9","5","1","7","1","7","1") = "8"
    & skf18("9","5","1","7","1","8","1") = "8"
    & skf18("9","5","1","7","1","9","1") = "8"
    & skf18("9","5","1","7","1","10","1") = "9"
    & skf18("9","5","1","7","2","1","1") = "8"
    & skf18("9","5","1","7","2","2","1") = "8"
    & skf18("9","5","1","7","2","3","1") = "8"
    & skf18("9","5","1","7","2","4","1") = "8"
    & skf18("9","5","1","7","2","5","1") = "8"
    & skf18("9","5","1","7","2","6","1") = "8"
    & skf18("9","5","1","7","2","7","1") = "8"
    & skf18("9","5","1","7","2","8","1") = "8"
    & skf18("9","5","1","7","2","9","1") = "8"
    & skf18("9","5","1","7","2","10","1") = "9"
    & skf18("9","5","1","7","3","1","1") = "8"
    & skf18("9","5","1","7","3","2","1") = "8"
    & skf18("9","5","1","7","3","3","1") = "8"
    & skf18("9","5","1","7","3","4","1") = "8"
    & skf18("9","5","1","7","3","5","1") = "8"
    & skf18("9","5","1","7","3","6","1") = "8"
    & skf18("9","5","1","7","3","7","1") = "8"
    & skf18("9","5","1","7","3","8","1") = "8"
    & skf18("9","5","1","7","3","9","1") = "8"
    & skf18("9","5","1","7","3","10","1") = "9"
    & skf18("9","5","1","7","4","1","1") = "8"
    & skf18("9","5","1","7","4","2","1") = "8"
    & skf18("9","5","1","7","4","3","1") = "8"
    & skf18("9","5","1","7","4","4","1") = "8"
    & skf18("9","5","1","7","4","5","1") = "8"
    & skf18("9","5","1","7","4","6","1") = "8"
    & skf18("9","5","1","7","4","7","1") = "8"
    & skf18("9","5","1","7","4","8","1") = "8"
    & skf18("9","5","1","7","4","9","1") = "8"
    & skf18("9","5","1","7","4","10","1") = "9"
    & skf18("9","5","1","7","5","1","1") = "8"
    & skf18("9","5","1","7","5","2","1") = "8"
    & skf18("9","5","1","7","5","3","1") = "8"
    & skf18("9","5","1","7","5","4","1") = "8"
    & skf18("9","5","1","7","5","5","1") = "8"
    & skf18("9","5","1","7","5","6","1") = "8"
    & skf18("9","5","1","7","5","7","1") = "8"
    & skf18("9","5","1","7","5","8","1") = "8"
    & skf18("9","5","1","7","5","9","1") = "8"
    & skf18("9","5","1","7","5","10","1") = "9"
    & skf18("9","5","1","7","6","1","1") = "8"
    & skf18("9","5","1","7","6","2","1") = "8"
    & skf18("9","5","1","7","6","3","1") = "8"
    & skf18("9","5","1","7","6","4","1") = "8"
    & skf18("9","5","1","7","6","5","1") = "8"
    & skf18("9","5","1","7","6","6","1") = "8"
    & skf18("9","5","1","7","6","7","1") = "8"
    & skf18("9","5","1","7","6","8","1") = "8"
    & skf18("9","5","1","7","6","9","1") = "8"
    & skf18("9","5","1","7","6","10","1") = "9"
    & skf18("9","5","1","7","7","1","1") = "8"
    & skf18("9","5","1","7","7","2","1") = "8"
    & skf18("9","5","1","7","7","3","1") = "8"
    & skf18("9","5","1","7","7","4","1") = "8"
    & skf18("9","5","1","7","7","5","1") = "8"
    & skf18("9","5","1","7","7","6","1") = "8"
    & skf18("9","5","1","7","7","7","1") = "8"
    & skf18("9","5","1","7","7","8","1") = "8"
    & skf18("9","5","1","7","7","9","1") = "8"
    & skf18("9","5","1","7","7","10","1") = "9"
    & skf18("9","5","1","7","8","1","1") = "8"
    & skf18("9","5","1","7","8","2","1") = "8"
    & skf18("9","5","1","7","8","3","1") = "8"
    & skf18("9","5","1","7","8","4","1") = "8"
    & skf18("9","5","1","7","8","5","1") = "8"
    & skf18("9","5","1","7","8","6","1") = "8"
    & skf18("9","5","1","7","8","7","1") = "8"
    & skf18("9","5","1","7","8","8","1") = "8"
    & skf18("9","5","1","7","8","9","1") = "8"
    & skf18("9","5","1","7","8","10","1") = "9"
    & skf18("9","5","1","7","9","1","1") = "8"
    & skf18("9","5","1","7","9","2","1") = "8"
    & skf18("9","5","1","7","9","3","1") = "8"
    & skf18("9","5","1","7","9","4","1") = "8"
    & skf18("9","5","1","7","9","5","1") = "8"
    & skf18("9","5","1","7","9","6","1") = "8"
    & skf18("9","5","1","7","9","7","1") = "8"
    & skf18("9","5","1","7","9","8","1") = "8"
    & skf18("9","5","1","7","9","9","1") = "8"
    & skf18("9","5","1","7","9","10","1") = "9"
    & skf18("9","5","1","7","10","1","1") = "9"
    & skf18("9","5","1","7","10","2","1") = "9"
    & skf18("9","5","1","7","10","3","1") = "9"
    & skf18("9","5","1","7","10","4","1") = "9"
    & skf18("9","5","1","7","10","5","1") = "9"
    & skf18("9","5","1","7","10","6","1") = "9"
    & skf18("9","5","1","7","10","7","1") = "9"
    & skf18("9","5","1","7","10","8","1") = "9"
    & skf18("9","5","1","7","10","9","1") = "9"
    & skf18("9","5","1","7","10","10","1") = "9"
    & skf18("9","5","1","8","1","1","1") = "8"
    & skf18("9","5","1","8","1","2","1") = "8"
    & skf18("9","5","1","8","1","3","1") = "8"
    & skf18("9","5","1","8","1","4","1") = "8"
    & skf18("9","5","1","8","1","5","1") = "8"
    & skf18("9","5","1","8","1","6","1") = "8"
    & skf18("9","5","1","8","1","7","1") = "8"
    & skf18("9","5","1","8","1","8","1") = "8"
    & skf18("9","5","1","8","1","9","1") = "8"
    & skf18("9","5","1","8","1","10","1") = "9"
    & skf18("9","5","1","8","2","1","1") = "8"
    & skf18("9","5","1","8","2","2","1") = "8"
    & skf18("9","5","1","8","2","3","1") = "8"
    & skf18("9","5","1","8","2","4","1") = "8"
    & skf18("9","5","1","8","2","5","1") = "8"
    & skf18("9","5","1","8","2","6","1") = "8"
    & skf18("9","5","1","8","2","7","1") = "8"
    & skf18("9","5","1","8","2","8","1") = "8"
    & skf18("9","5","1","8","2","9","1") = "8"
    & skf18("9","5","1","8","2","10","1") = "9"
    & skf18("9","5","1","8","3","1","1") = "8"
    & skf18("9","5","1","8","3","2","1") = "8"
    & skf18("9","5","1","8","3","3","1") = "8"
    & skf18("9","5","1","8","3","4","1") = "8"
    & skf18("9","5","1","8","3","5","1") = "8"
    & skf18("9","5","1","8","3","6","1") = "8"
    & skf18("9","5","1","8","3","7","1") = "8"
    & skf18("9","5","1","8","3","8","1") = "8"
    & skf18("9","5","1","8","3","9","1") = "8"
    & skf18("9","5","1","8","3","10","1") = "9"
    & skf18("9","5","1","8","4","1","1") = "8"
    & skf18("9","5","1","8","4","2","1") = "8"
    & skf18("9","5","1","8","4","3","1") = "8"
    & skf18("9","5","1","8","4","4","1") = "8"
    & skf18("9","5","1","8","4","5","1") = "8"
    & skf18("9","5","1","8","4","6","1") = "8"
    & skf18("9","5","1","8","4","7","1") = "8"
    & skf18("9","5","1","8","4","8","1") = "8"
    & skf18("9","5","1","8","4","9","1") = "8"
    & skf18("9","5","1","8","4","10","1") = "9"
    & skf18("9","5","1","8","5","1","1") = "8"
    & skf18("9","5","1","8","5","2","1") = "8"
    & skf18("9","5","1","8","5","3","1") = "8"
    & skf18("9","5","1","8","5","4","1") = "8"
    & skf18("9","5","1","8","5","5","1") = "8"
    & skf18("9","5","1","8","5","6","1") = "8"
    & skf18("9","5","1","8","5","7","1") = "8"
    & skf18("9","5","1","8","5","8","1") = "8"
    & skf18("9","5","1","8","5","9","1") = "8"
    & skf18("9","5","1","8","5","10","1") = "9"
    & skf18("9","5","1","8","6","1","1") = "8"
    & skf18("9","5","1","8","6","2","1") = "8"
    & skf18("9","5","1","8","6","3","1") = "8"
    & skf18("9","5","1","8","6","4","1") = "8"
    & skf18("9","5","1","8","6","5","1") = "8"
    & skf18("9","5","1","8","6","6","1") = "8"
    & skf18("9","5","1","8","6","7","1") = "8"
    & skf18("9","5","1","8","6","8","1") = "8"
    & skf18("9","5","1","8","6","9","1") = "8"
    & skf18("9","5","1","8","6","10","1") = "9"
    & skf18("9","5","1","8","7","1","1") = "8"
    & skf18("9","5","1","8","7","2","1") = "8"
    & skf18("9","5","1","8","7","3","1") = "8"
    & skf18("9","5","1","8","7","4","1") = "8"
    & skf18("9","5","1","8","7","5","1") = "8"
    & skf18("9","5","1","8","7","6","1") = "8"
    & skf18("9","5","1","8","7","7","1") = "8"
    & skf18("9","5","1","8","7","8","1") = "8"
    & skf18("9","5","1","8","7","9","1") = "8"
    & skf18("9","5","1","8","7","10","1") = "9"
    & skf18("9","5","1","8","8","1","1") = "8"
    & skf18("9","5","1","8","8","2","1") = "8"
    & skf18("9","5","1","8","8","3","1") = "8"
    & skf18("9","5","1","8","8","4","1") = "8"
    & skf18("9","5","1","8","8","5","1") = "8"
    & skf18("9","5","1","8","8","6","1") = "8"
    & skf18("9","5","1","8","8","7","1") = "8"
    & skf18("9","5","1","8","8","8","1") = "8"
    & skf18("9","5","1","8","8","9","1") = "8"
    & skf18("9","5","1","8","8","10","1") = "9"
    & skf18("9","5","1","8","9","1","1") = "8"
    & skf18("9","5","1","8","9","2","1") = "8"
    & skf18("9","5","1","8","9","3","1") = "8"
    & skf18("9","5","1","8","9","4","1") = "8"
    & skf18("9","5","1","8","9","5","1") = "8"
    & skf18("9","5","1","8","9","6","1") = "8"
    & skf18("9","5","1","8","9","7","1") = "8"
    & skf18("9","5","1","8","9","8","1") = "8"
    & skf18("9","5","1","8","9","9","1") = "8"
    & skf18("9","5","1","8","9","10","1") = "9"
    & skf18("9","5","1","8","10","1","1") = "9"
    & skf18("9","5","1","8","10","2","1") = "9"
    & skf18("9","5","1","8","10","3","1") = "9"
    & skf18("9","5","1","8","10","4","1") = "9"
    & skf18("9","5","1","8","10","5","1") = "9"
    & skf18("9","5","1","8","10","6","1") = "9"
    & skf18("9","5","1","8","10","7","1") = "9"
    & skf18("9","5","1","8","10","8","1") = "9"
    & skf18("9","5","1","8","10","9","1") = "9"
    & skf18("9","5","1","8","10","10","1") = "9"
    & skf18("9","5","1","9","1","1","1") = "8"
    & skf18("9","5","1","9","1","2","1") = "8"
    & skf18("9","5","1","9","1","3","1") = "8"
    & skf18("9","5","1","9","1","4","1") = "8"
    & skf18("9","5","1","9","1","5","1") = "8"
    & skf18("9","5","1","9","1","6","1") = "8"
    & skf18("9","5","1","9","1","7","1") = "8"
    & skf18("9","5","1","9","1","8","1") = "8"
    & skf18("9","5","1","9","1","9","1") = "8"
    & skf18("9","5","1","9","1","10","1") = "9"
    & skf18("9","5","1","9","2","1","1") = "8"
    & skf18("9","5","1","9","2","2","1") = "8"
    & skf18("9","5","1","9","2","3","1") = "8"
    & skf18("9","5","1","9","2","4","1") = "8"
    & skf18("9","5","1","9","2","5","1") = "8"
    & skf18("9","5","1","9","2","6","1") = "8"
    & skf18("9","5","1","9","2","7","1") = "8"
    & skf18("9","5","1","9","2","8","1") = "8"
    & skf18("9","5","1","9","2","9","1") = "8"
    & skf18("9","5","1","9","2","10","1") = "9"
    & skf18("9","5","1","9","3","1","1") = "8"
    & skf18("9","5","1","9","3","2","1") = "8"
    & skf18("9","5","1","9","3","3","1") = "8"
    & skf18("9","5","1","9","3","4","1") = "8"
    & skf18("9","5","1","9","3","5","1") = "8"
    & skf18("9","5","1","9","3","6","1") = "8"
    & skf18("9","5","1","9","3","7","1") = "8"
    & skf18("9","5","1","9","3","8","1") = "8"
    & skf18("9","5","1","9","3","9","1") = "8"
    & skf18("9","5","1","9","3","10","1") = "9"
    & skf18("9","5","1","9","4","1","1") = "8"
    & skf18("9","5","1","9","4","2","1") = "8"
    & skf18("9","5","1","9","4","3","1") = "8"
    & skf18("9","5","1","9","4","4","1") = "8"
    & skf18("9","5","1","9","4","5","1") = "8"
    & skf18("9","5","1","9","4","6","1") = "8"
    & skf18("9","5","1","9","4","7","1") = "8"
    & skf18("9","5","1","9","4","8","1") = "8"
    & skf18("9","5","1","9","4","9","1") = "8"
    & skf18("9","5","1","9","4","10","1") = "9"
    & skf18("9","5","1","9","5","1","1") = "8"
    & skf18("9","5","1","9","5","2","1") = "8"
    & skf18("9","5","1","9","5","3","1") = "8"
    & skf18("9","5","1","9","5","4","1") = "8"
    & skf18("9","5","1","9","5","5","1") = "8"
    & skf18("9","5","1","9","5","6","1") = "8"
    & skf18("9","5","1","9","5","7","1") = "8"
    & skf18("9","5","1","9","5","8","1") = "8"
    & skf18("9","5","1","9","5","9","1") = "8"
    & skf18("9","5","1","9","5","10","1") = "9"
    & skf18("9","5","1","9","6","1","1") = "8"
    & skf18("9","5","1","9","6","2","1") = "8"
    & skf18("9","5","1","9","6","3","1") = "8"
    & skf18("9","5","1","9","6","4","1") = "8"
    & skf18("9","5","1","9","6","5","1") = "8"
    & skf18("9","5","1","9","6","6","1") = "8"
    & skf18("9","5","1","9","6","7","1") = "8"
    & skf18("9","5","1","9","6","8","1") = "8"
    & skf18("9","5","1","9","6","9","1") = "8"
    & skf18("9","5","1","9","6","10","1") = "9"
    & skf18("9","5","1","9","7","1","1") = "8"
    & skf18("9","5","1","9","7","2","1") = "8"
    & skf18("9","5","1","9","7","3","1") = "8"
    & skf18("9","5","1","9","7","4","1") = "8"
    & skf18("9","5","1","9","7","5","1") = "8"
    & skf18("9","5","1","9","7","6","1") = "8"
    & skf18("9","5","1","9","7","7","1") = "8"
    & skf18("9","5","1","9","7","8","1") = "8"
    & skf18("9","5","1","9","7","9","1") = "8"
    & skf18("9","5","1","9","7","10","1") = "9"
    & skf18("9","5","1","9","8","1","1") = "8"
    & skf18("9","5","1","9","8","2","1") = "8"
    & skf18("9","5","1","9","8","3","1") = "8"
    & skf18("9","5","1","9","8","4","1") = "8"
    & skf18("9","5","1","9","8","5","1") = "8"
    & skf18("9","5","1","9","8","6","1") = "8"
    & skf18("9","5","1","9","8","7","1") = "8"
    & skf18("9","5","1","9","8","8","1") = "8"
    & skf18("9","5","1","9","8","9","1") = "8"
    & skf18("9","5","1","9","8","10","1") = "9"
    & skf18("9","5","1","9","9","1","1") = "8"
    & skf18("9","5","1","9","9","2","1") = "8"
    & skf18("9","5","1","9","9","3","1") = "8"
    & skf18("9","5","1","9","9","4","1") = "8"
    & skf18("9","5","1","9","9","5","1") = "8"
    & skf18("9","5","1","9","9","6","1") = "8"
    & skf18("9","5","1","9","9","7","1") = "8"
    & skf18("9","5","1","9","9","8","1") = "8"
    & skf18("9","5","1","9","9","9","1") = "8"
    & skf18("9","5","1","9","9","10","1") = "9"
    & skf18("9","5","1","9","10","1","1") = "9"
    & skf18("9","5","1","9","10","2","1") = "9"
    & skf18("9","5","1","9","10","3","1") = "9"
    & skf18("9","5","1","9","10","4","1") = "9"
    & skf18("9","5","1","9","10","5","1") = "9"
    & skf18("9","5","1","9","10","6","1") = "9"
    & skf18("9","5","1","9","10","7","1") = "9"
    & skf18("9","5","1","9","10","8","1") = "9"
    & skf18("9","5","1","9","10","9","1") = "9"
    & skf18("9","5","1","9","10","10","1") = "9"
    & skf18("9","5","1","10","1","1","1") = "9"
    & skf18("9","5","1","10","1","2","1") = "9"
    & skf18("9","5","1","10","1","3","1") = "9"
    & skf18("9","5","1","10","1","4","1") = "9"
    & skf18("9","5","1","10","1","5","1") = "9"
    & skf18("9","5","1","10","1","6","1") = "9"
    & skf18("9","5","1","10","1","7","1") = "9"
    & skf18("9","5","1","10","1","8","1") = "9"
    & skf18("9","5","1","10","1","9","1") = "9"
    & skf18("9","5","1","10","1","10","1") = "9"
    & skf18("9","5","1","10","2","1","1") = "9"
    & skf18("9","5","1","10","2","2","1") = "9"
    & skf18("9","5","1","10","2","3","1") = "9"
    & skf18("9","5","1","10","2","4","1") = "9"
    & skf18("9","5","1","10","2","5","1") = "9"
    & skf18("9","5","1","10","2","6","1") = "9"
    & skf18("9","5","1","10","2","7","1") = "9"
    & skf18("9","5","1","10","2","8","1") = "9"
    & skf18("9","5","1","10","2","9","1") = "9"
    & skf18("9","5","1","10","2","10","1") = "9"
    & skf18("9","5","1","10","3","1","1") = "9"
    & skf18("9","5","1","10","3","2","1") = "9"
    & skf18("9","5","1","10","3","3","1") = "9"
    & skf18("9","5","1","10","3","4","1") = "9"
    & skf18("9","5","1","10","3","5","1") = "9"
    & skf18("9","5","1","10","3","6","1") = "9"
    & skf18("9","5","1","10","3","7","1") = "9"
    & skf18("9","5","1","10","3","8","1") = "9"
    & skf18("9","5","1","10","3","9","1") = "9"
    & skf18("9","5","1","10","3","10","1") = "9"
    & skf18("9","5","1","10","4","1","1") = "9"
    & skf18("9","5","1","10","4","2","1") = "9"
    & skf18("9","5","1","10","4","3","1") = "9"
    & skf18("9","5","1","10","4","4","1") = "9"
    & skf18("9","5","1","10","4","5","1") = "9"
    & skf18("9","5","1","10","4","6","1") = "9"
    & skf18("9","5","1","10","4","7","1") = "9"
    & skf18("9","5","1","10","4","8","1") = "9"
    & skf18("9","5","1","10","4","9","1") = "9"
    & skf18("9","5","1","10","4","10","1") = "9"
    & skf18("9","5","1","10","5","1","1") = "9"
    & skf18("9","5","1","10","5","2","1") = "9"
    & skf18("9","5","1","10","5","3","1") = "9"
    & skf18("9","5","1","10","5","4","1") = "9"
    & skf18("9","5","1","10","5","5","1") = "9"
    & skf18("9","5","1","10","5","6","1") = "9"
    & skf18("9","5","1","10","5","7","1") = "9"
    & skf18("9","5","1","10","5","8","1") = "9"
    & skf18("9","5","1","10","5","9","1") = "9"
    & skf18("9","5","1","10","5","10","1") = "9"
    & skf18("9","5","1","10","6","1","1") = "9"
    & skf18("9","5","1","10","6","2","1") = "9"
    & skf18("9","5","1","10","6","3","1") = "9"
    & skf18("9","5","1","10","6","4","1") = "9"
    & skf18("9","5","1","10","6","5","1") = "9"
    & skf18("9","5","1","10","6","6","1") = "9"
    & skf18("9","5","1","10","6","7","1") = "9"
    & skf18("9","5","1","10","6","8","1") = "9"
    & skf18("9","5","1","10","6","9","1") = "9"
    & skf18("9","5","1","10","6","10","1") = "9"
    & skf18("9","5","1","10","7","1","1") = "9"
    & skf18("9","5","1","10","7","2","1") = "9"
    & skf18("9","5","1","10","7","3","1") = "9"
    & skf18("9","5","1","10","7","4","1") = "9"
    & skf18("9","5","1","10","7","5","1") = "9"
    & skf18("9","5","1","10","7","6","1") = "9"
    & skf18("9","5","1","10","7","7","1") = "9"
    & skf18("9","5","1","10","7","8","1") = "9"
    & skf18("9","5","1","10","7","9","1") = "9"
    & skf18("9","5","1","10","7","10","1") = "9"
    & skf18("9","5","1","10","8","1","1") = "9"
    & skf18("9","5","1","10","8","2","1") = "9"
    & skf18("9","5","1","10","8","3","1") = "9"
    & skf18("9","5","1","10","8","4","1") = "9"
    & skf18("9","5","1","10","8","5","1") = "9"
    & skf18("9","5","1","10","8","6","1") = "9"
    & skf18("9","5","1","10","8","7","1") = "9"
    & skf18("9","5","1","10","8","8","1") = "9"
    & skf18("9","5","1","10","8","9","1") = "9"
    & skf18("9","5","1","10","8","10","1") = "9"
    & skf18("9","5","1","10","9","1","1") = "9"
    & skf18("9","5","1","10","9","2","1") = "9"
    & skf18("9","5","1","10","9","3","1") = "9"
    & skf18("9","5","1","10","9","4","1") = "9"
    & skf18("9","5","1","10","9","5","1") = "9"
    & skf18("9","5","1","10","9","6","1") = "9"
    & skf18("9","5","1","10","9","7","1") = "9"
    & skf18("9","5","1","10","9","8","1") = "9"
    & skf18("9","5","1","10","9","9","1") = "9"
    & skf18("9","5","1","10","9","10","1") = "9"
    & skf18("9","5","1","10","10","1","1") = "9"
    & skf18("9","5","1","10","10","2","1") = "9"
    & skf18("9","5","1","10","10","3","1") = "9"
    & skf18("9","5","1","10","10","4","1") = "9"
    & skf18("9","5","1","10","10","5","1") = "9"
    & skf18("9","5","1","10","10","6","1") = "9"
    & skf18("9","5","1","10","10","7","1") = "9"
    & skf18("9","5","1","10","10","8","1") = "9"
    & skf18("9","5","1","10","10","9","1") = "9"
    & skf18("9","5","1","10","10","10","1") = "9"
    & skf18("9","5","2","1","1","1","1") = "8"
    & skf18("9","5","2","1","1","2","1") = "8"
    & skf18("9","5","2","1","1","3","1") = "8"
    & skf18("9","5","2","1","1","4","1") = "8"
    & skf18("9","5","2","1","1","5","1") = "8"
    & skf18("9","5","2","1","1","6","1") = "8"
    & skf18("9","5","2","1","1","7","1") = "8"
    & skf18("9","5","2","1","1","8","1") = "8"
    & skf18("9","5","2","1","1","9","1") = "8"
    & skf18("9","5","2","1","1","10","1") = "9"
    & skf18("9","5","2","1","2","1","1") = "8"
    & skf18("9","5","2","1","2","2","1") = "8"
    & skf18("9","5","2","1","2","3","1") = "8"
    & skf18("9","5","2","1","2","4","1") = "8"
    & skf18("9","5","2","1","2","5","1") = "8"
    & skf18("9","5","2","1","2","6","1") = "8"
    & skf18("9","5","2","1","2","7","1") = "8"
    & skf18("9","5","2","1","2","8","1") = "8"
    & skf18("9","5","2","1","2","9","1") = "8"
    & skf18("9","5","2","1","2","10","1") = "9"
    & skf18("9","5","2","1","3","1","1") = "8"
    & skf18("9","5","2","1","3","2","1") = "8"
    & skf18("9","5","2","1","3","3","1") = "8"
    & skf18("9","5","2","1","3","4","1") = "8"
    & skf18("9","5","2","1","3","5","1") = "8"
    & skf18("9","5","2","1","3","6","1") = "8"
    & skf18("9","5","2","1","3","7","1") = "8"
    & skf18("9","5","2","1","3","8","1") = "8"
    & skf18("9","5","2","1","3","9","1") = "8"
    & skf18("9","5","2","1","3","10","1") = "9"
    & skf18("9","5","2","1","4","1","1") = "8"
    & skf18("9","5","2","1","4","2","1") = "8"
    & skf18("9","5","2","1","4","3","1") = "8"
    & skf18("9","5","2","1","4","4","1") = "8"
    & skf18("9","5","2","1","4","5","1") = "8"
    & skf18("9","5","2","1","4","6","1") = "8"
    & skf18("9","5","2","1","4","7","1") = "8"
    & skf18("9","5","2","1","4","8","1") = "8"
    & skf18("9","5","2","1","4","9","1") = "8"
    & skf18("9","5","2","1","4","10","1") = "9"
    & skf18("9","5","2","1","5","1","1") = "8"
    & skf18("9","5","2","1","5","2","1") = "8"
    & skf18("9","5","2","1","5","3","1") = "8"
    & skf18("9","5","2","1","5","4","1") = "8"
    & skf18("9","5","2","1","5","5","1") = "8"
    & skf18("9","5","2","1","5","6","1") = "8"
    & skf18("9","5","2","1","5","7","1") = "8"
    & skf18("9","5","2","1","5","8","1") = "8"
    & skf18("9","5","2","1","5","9","1") = "8"
    & skf18("9","5","2","1","5","10","1") = "9"
    & skf18("9","5","2","1","6","1","1") = "8"
    & skf18("9","5","2","1","6","2","1") = "8"
    & skf18("9","5","2","1","6","3","1") = "8"
    & skf18("9","5","2","1","6","4","1") = "8"
    & skf18("9","5","2","1","6","5","1") = "8"
    & skf18("9","5","2","1","6","6","1") = "8"
    & skf18("9","5","2","1","6","7","1") = "8"
    & skf18("9","5","2","1","6","8","1") = "8"
    & skf18("9","5","2","1","6","9","1") = "8"
    & skf18("9","5","2","1","6","10","1") = "9"
    & skf18("9","5","2","1","7","1","1") = "8"
    & skf18("9","5","2","1","7","2","1") = "8"
    & skf18("9","5","2","1","7","3","1") = "8"
    & skf18("9","5","2","1","7","4","1") = "8"
    & skf18("9","5","2","1","7","5","1") = "8"
    & skf18("9","5","2","1","7","6","1") = "8"
    & skf18("9","5","2","1","7","7","1") = "8"
    & skf18("9","5","2","1","7","8","1") = "8"
    & skf18("9","5","2","1","7","9","1") = "8"
    & skf18("9","5","2","1","7","10","1") = "9"
    & skf18("9","5","2","1","8","1","1") = "8"
    & skf18("9","5","2","1","8","2","1") = "8"
    & skf18("9","5","2","1","8","3","1") = "8"
    & skf18("9","5","2","1","8","4","1") = "8"
    & skf18("9","5","2","1","8","5","1") = "8"
    & skf18("9","5","2","1","8","6","1") = "8"
    & skf18("9","5","2","1","8","7","1") = "8"
    & skf18("9","5","2","1","8","8","1") = "8"
    & skf18("9","5","2","1","8","9","1") = "8"
    & skf18("9","5","2","1","8","10","1") = "9"
    & skf18("9","5","2","1","9","1","1") = "8"
    & skf18("9","5","2","1","9","2","1") = "8"
    & skf18("9","5","2","1","9","3","1") = "8"
    & skf18("9","5","2","1","9","4","1") = "8"
    & skf18("9","5","2","1","9","5","1") = "8"
    & skf18("9","5","2","1","9","6","1") = "8"
    & skf18("9","5","2","1","9","7","1") = "8"
    & skf18("9","5","2","1","9","8","1") = "8"
    & skf18("9","5","2","1","9","9","1") = "8"
    & skf18("9","5","2","1","9","10","1") = "9"
    & skf18("9","5","2","1","10","1","1") = "9"
    & skf18("9","5","2","1","10","2","1") = "9"
    & skf18("9","5","2","1","10","3","1") = "9"
    & skf18("9","5","2","1","10","4","1") = "9"
    & skf18("9","5","2","1","10","5","1") = "9"
    & skf18("9","5","2","1","10","6","1") = "9"
    & skf18("9","5","2","1","10","7","1") = "9"
    & skf18("9","5","2","1","10","8","1") = "9"
    & skf18("9","5","2","1","10","9","1") = "9"
    & skf18("9","5","2","1","10","10","1") = "9"
    & skf18("9","5","2","2","1","1","1") = "8"
    & skf18("9","5","2","2","1","2","1") = "8"
    & skf18("9","5","2","2","1","3","1") = "8"
    & skf18("9","5","2","2","1","4","1") = "8"
    & skf18("9","5","2","2","1","5","1") = "8"
    & skf18("9","5","2","2","1","6","1") = "8"
    & skf18("9","5","2","2","1","7","1") = "8"
    & skf18("9","5","2","2","1","8","1") = "8"
    & skf18("9","5","2","2","1","9","1") = "8"
    & skf18("9","5","2","2","1","10","1") = "9"
    & skf18("9","5","2","2","2","1","1") = "8"
    & skf18("9","5","2","2","2","2","1") = "8"
    & skf18("9","5","2","2","2","3","1") = "8"
    & skf18("9","5","2","2","2","4","1") = "8"
    & skf18("9","5","2","2","2","5","1") = "8"
    & skf18("9","5","2","2","2","6","1") = "8"
    & skf18("9","5","2","2","2","7","1") = "8"
    & skf18("9","5","2","2","2","8","1") = "8"
    & skf18("9","5","2","2","2","9","1") = "8"
    & skf18("9","5","2","2","2","10","1") = "9"
    & skf18("9","5","2","2","3","1","1") = "8"
    & skf18("9","5","2","2","3","2","1") = "8"
    & skf18("9","5","2","2","3","3","1") = "8"
    & skf18("9","5","2","2","3","4","1") = "8"
    & skf18("9","5","2","2","3","5","1") = "8"
    & skf18("9","5","2","2","3","6","1") = "8"
    & skf18("9","5","2","2","3","7","1") = "8"
    & skf18("9","5","2","2","3","8","1") = "8"
    & skf18("9","5","2","2","3","9","1") = "8"
    & skf18("9","5","2","2","3","10","1") = "9"
    & skf18("9","5","2","2","4","1","1") = "8"
    & skf18("9","5","2","2","4","2","1") = "8"
    & skf18("9","5","2","2","4","3","1") = "8"
    & skf18("9","5","2","2","4","4","1") = "8"
    & skf18("9","5","2","2","4","5","1") = "8"
    & skf18("9","5","2","2","4","6","1") = "8"
    & skf18("9","5","2","2","4","7","1") = "8"
    & skf18("9","5","2","2","4","8","1") = "8"
    & skf18("9","5","2","2","4","9","1") = "8"
    & skf18("9","5","2","2","4","10","1") = "9"
    & skf18("9","5","2","2","5","1","1") = "8"
    & skf18("9","5","2","2","5","2","1") = "8"
    & skf18("9","5","2","2","5","3","1") = "8"
    & skf18("9","5","2","2","5","4","1") = "8"
    & skf18("9","5","2","2","5","5","1") = "8"
    & skf18("9","5","2","2","5","6","1") = "8"
    & skf18("9","5","2","2","5","7","1") = "8"
    & skf18("9","5","2","2","5","8","1") = "8"
    & skf18("9","5","2","2","5","9","1") = "8"
    & skf18("9","5","2","2","5","10","1") = "9"
    & skf18("9","5","2","2","6","1","1") = "8"
    & skf18("9","5","2","2","6","2","1") = "8"
    & skf18("9","5","2","2","6","3","1") = "8"
    & skf18("9","5","2","2","6","4","1") = "8"
    & skf18("9","5","2","2","6","5","1") = "8"
    & skf18("9","5","2","2","6","6","1") = "8"
    & skf18("9","5","2","2","6","7","1") = "8"
    & skf18("9","5","2","2","6","8","1") = "8"
    & skf18("9","5","2","2","6","9","1") = "8"
    & skf18("9","5","2","2","6","10","1") = "9"
    & skf18("9","5","2","2","7","1","1") = "8"
    & skf18("9","5","2","2","7","2","1") = "8"
    & skf18("9","5","2","2","7","3","1") = "8"
    & skf18("9","5","2","2","7","4","1") = "8"
    & skf18("9","5","2","2","7","5","1") = "8"
    & skf18("9","5","2","2","7","6","1") = "8"
    & skf18("9","5","2","2","7","7","1") = "8"
    & skf18("9","5","2","2","7","8","1") = "8"
    & skf18("9","5","2","2","7","9","1") = "8"
    & skf18("9","5","2","2","7","10","1") = "9"
    & skf18("9","5","2","2","8","1","1") = "8"
    & skf18("9","5","2","2","8","2","1") = "8"
    & skf18("9","5","2","2","8","3","1") = "8"
    & skf18("9","5","2","2","8","4","1") = "8"
    & skf18("9","5","2","2","8","5","1") = "8"
    & skf18("9","5","2","2","8","6","1") = "8"
    & skf18("9","5","2","2","8","7","1") = "8"
    & skf18("9","5","2","2","8","8","1") = "8"
    & skf18("9","5","2","2","8","9","1") = "8"
    & skf18("9","5","2","2","8","10","1") = "9"
    & skf18("9","5","2","2","9","1","1") = "8"
    & skf18("9","5","2","2","9","2","1") = "8"
    & skf18("9","5","2","2","9","3","1") = "8"
    & skf18("9","5","2","2","9","4","1") = "8"
    & skf18("9","5","2","2","9","5","1") = "8"
    & skf18("9","5","2","2","9","6","1") = "8"
    & skf18("9","5","2","2","9","7","1") = "8"
    & skf18("9","5","2","2","9","8","1") = "8"
    & skf18("9","5","2","2","9","9","1") = "8"
    & skf18("9","5","2","2","9","10","1") = "9"
    & skf18("9","5","2","2","10","1","1") = "9"
    & skf18("9","5","2","2","10","2","1") = "9"
    & skf18("9","5","2","2","10","3","1") = "9"
    & skf18("9","5","2","2","10","4","1") = "9"
    & skf18("9","5","2","2","10","5","1") = "9"
    & skf18("9","5","2","2","10","6","1") = "9"
    & skf18("9","5","2","2","10","7","1") = "9"
    & skf18("9","5","2","2","10","8","1") = "9"
    & skf18("9","5","2","2","10","9","1") = "9"
    & skf18("9","5","2","2","10","10","1") = "9"
    & skf18("9","5","2","3","1","1","1") = "8"
    & skf18("9","5","2","3","1","2","1") = "8"
    & skf18("9","5","2","3","1","3","1") = "8"
    & skf18("9","5","2","3","1","4","1") = "8"
    & skf18("9","5","2","3","1","5","1") = "8"
    & skf18("9","5","2","3","1","6","1") = "8"
    & skf18("9","5","2","3","1","7","1") = "8"
    & skf18("9","5","2","3","1","8","1") = "8"
    & skf18("9","5","2","3","1","9","1") = "8"
    & skf18("9","5","2","3","1","10","1") = "9"
    & skf18("9","5","2","3","2","1","1") = "8"
    & skf18("9","5","2","3","2","2","1") = "8"
    & skf18("9","5","2","3","2","3","1") = "8"
    & skf18("9","5","2","3","2","4","1") = "8"
    & skf18("9","5","2","3","2","5","1") = "8"
    & skf18("9","5","2","3","2","6","1") = "8"
    & skf18("9","5","2","3","2","7","1") = "8"
    & skf18("9","5","2","3","2","8","1") = "8"
    & skf18("9","5","2","3","2","9","1") = "8"
    & skf18("9","5","2","3","2","10","1") = "9"
    & skf18("9","5","2","3","3","1","1") = "8"
    & skf18("9","5","2","3","3","2","1") = "8"
    & skf18("9","5","2","3","3","3","1") = "8"
    & skf18("9","5","2","3","3","4","1") = "8"
    & skf18("9","5","2","3","3","5","1") = "8"
    & skf18("9","5","2","3","3","6","1") = "8"
    & skf18("9","5","2","3","3","7","1") = "8"
    & skf18("9","5","2","3","3","8","1") = "8"
    & skf18("9","5","2","3","3","9","1") = "8"
    & skf18("9","5","2","3","3","10","1") = "9"
    & skf18("9","5","2","3","4","1","1") = "8"
    & skf18("9","5","2","3","4","2","1") = "8"
    & skf18("9","5","2","3","4","3","1") = "8"
    & skf18("9","5","2","3","4","4","1") = "8"
    & skf18("9","5","2","3","4","5","1") = "8"
    & skf18("9","5","2","3","4","6","1") = "8"
    & skf18("9","5","2","3","4","7","1") = "8"
    & skf18("9","5","2","3","4","8","1") = "8"
    & skf18("9","5","2","3","4","9","1") = "8"
    & skf18("9","5","2","3","4","10","1") = "9"
    & skf18("9","5","2","3","5","1","1") = "8"
    & skf18("9","5","2","3","5","2","1") = "8"
    & skf18("9","5","2","3","5","3","1") = "8"
    & skf18("9","5","2","3","5","4","1") = "8"
    & skf18("9","5","2","3","5","5","1") = "8"
    & skf18("9","5","2","3","5","6","1") = "8"
    & skf18("9","5","2","3","5","7","1") = "8"
    & skf18("9","5","2","3","5","8","1") = "8"
    & skf18("9","5","2","3","5","9","1") = "8"
    & skf18("9","5","2","3","5","10","1") = "9"
    & skf18("9","5","2","3","6","1","1") = "8"
    & skf18("9","5","2","3","6","2","1") = "8"
    & skf18("9","5","2","3","6","3","1") = "8"
    & skf18("9","5","2","3","6","4","1") = "8"
    & skf18("9","5","2","3","6","5","1") = "8"
    & skf18("9","5","2","3","6","6","1") = "8"
    & skf18("9","5","2","3","6","7","1") = "8"
    & skf18("9","5","2","3","6","8","1") = "8"
    & skf18("9","5","2","3","6","9","1") = "8"
    & skf18("9","5","2","3","6","10","1") = "9"
    & skf18("9","5","2","3","7","1","1") = "8"
    & skf18("9","5","2","3","7","2","1") = "8"
    & skf18("9","5","2","3","7","3","1") = "8"
    & skf18("9","5","2","3","7","4","1") = "8"
    & skf18("9","5","2","3","7","5","1") = "8"
    & skf18("9","5","2","3","7","6","1") = "8"
    & skf18("9","5","2","3","7","7","1") = "8"
    & skf18("9","5","2","3","7","8","1") = "8"
    & skf18("9","5","2","3","7","9","1") = "8"
    & skf18("9","5","2","3","7","10","1") = "9"
    & skf18("9","5","2","3","8","1","1") = "8"
    & skf18("9","5","2","3","8","2","1") = "8"
    & skf18("9","5","2","3","8","3","1") = "8"
    & skf18("9","5","2","3","8","4","1") = "8"
    & skf18("9","5","2","3","8","5","1") = "8"
    & skf18("9","5","2","3","8","6","1") = "8"
    & skf18("9","5","2","3","8","7","1") = "8"
    & skf18("9","5","2","3","8","8","1") = "8"
    & skf18("9","5","2","3","8","9","1") = "8"
    & skf18("9","5","2","3","8","10","1") = "9"
    & skf18("9","5","2","3","9","1","1") = "8"
    & skf18("9","5","2","3","9","2","1") = "8"
    & skf18("9","5","2","3","9","3","1") = "8"
    & skf18("9","5","2","3","9","4","1") = "8"
    & skf18("9","5","2","3","9","5","1") = "8"
    & skf18("9","5","2","3","9","6","1") = "8"
    & skf18("9","5","2","3","9","7","1") = "8"
    & skf18("9","5","2","3","9","8","1") = "8"
    & skf18("9","5","2","3","9","9","1") = "8"
    & skf18("9","5","2","3","9","10","1") = "9"
    & skf18("9","5","2","3","10","1","1") = "9"
    & skf18("9","5","2","3","10","2","1") = "9"
    & skf18("9","5","2","3","10","3","1") = "9"
    & skf18("9","5","2","3","10","4","1") = "9"
    & skf18("9","5","2","3","10","5","1") = "9"
    & skf18("9","5","2","3","10","6","1") = "9"
    & skf18("9","5","2","3","10","7","1") = "9"
    & skf18("9","5","2","3","10","8","1") = "9"
    & skf18("9","5","2","3","10","9","1") = "9"
    & skf18("9","5","2","3","10","10","1") = "9"
    & skf18("9","5","2","4","1","1","1") = "8"
    & skf18("9","5","2","4","1","2","1") = "8"
    & skf18("9","5","2","4","1","3","1") = "8"
    & skf18("9","5","2","4","1","4","1") = "8"
    & skf18("9","5","2","4","1","5","1") = "8"
    & skf18("9","5","2","4","1","6","1") = "8"
    & skf18("9","5","2","4","1","7","1") = "8"
    & skf18("9","5","2","4","1","8","1") = "8"
    & skf18("9","5","2","4","1","9","1") = "8"
    & skf18("9","5","2","4","1","10","1") = "9"
    & skf18("9","5","2","4","2","1","1") = "8"
    & skf18("9","5","2","4","2","2","1") = "8"
    & skf18("9","5","2","4","2","3","1") = "8"
    & skf18("9","5","2","4","2","4","1") = "8"
    & skf18("9","5","2","4","2","5","1") = "8"
    & skf18("9","5","2","4","2","6","1") = "8"
    & skf18("9","5","2","4","2","7","1") = "8"
    & skf18("9","5","2","4","2","8","1") = "8"
    & skf18("9","5","2","4","2","9","1") = "8"
    & skf18("9","5","2","4","2","10","1") = "9"
    & skf18("9","5","2","4","3","1","1") = "8"
    & skf18("9","5","2","4","3","2","1") = "8"
    & skf18("9","5","2","4","3","3","1") = "8"
    & skf18("9","5","2","4","3","4","1") = "8"
    & skf18("9","5","2","4","3","5","1") = "8"
    & skf18("9","5","2","4","3","6","1") = "8"
    & skf18("9","5","2","4","3","7","1") = "8"
    & skf18("9","5","2","4","3","8","1") = "8"
    & skf18("9","5","2","4","3","9","1") = "8"
    & skf18("9","5","2","4","3","10","1") = "9"
    & skf18("9","5","2","4","4","1","1") = "8"
    & skf18("9","5","2","4","4","2","1") = "8"
    & skf18("9","5","2","4","4","3","1") = "8"
    & skf18("9","5","2","4","4","4","1") = "8"
    & skf18("9","5","2","4","4","5","1") = "8"
    & skf18("9","5","2","4","4","6","1") = "8"
    & skf18("9","5","2","4","4","7","1") = "8"
    & skf18("9","5","2","4","4","8","1") = "8"
    & skf18("9","5","2","4","4","9","1") = "8"
    & skf18("9","5","2","4","4","10","1") = "9"
    & skf18("9","5","2","4","5","1","1") = "8"
    & skf18("9","5","2","4","5","2","1") = "8"
    & skf18("9","5","2","4","5","3","1") = "8"
    & skf18("9","5","2","4","5","4","1") = "8"
    & skf18("9","5","2","4","5","5","1") = "8"
    & skf18("9","5","2","4","5","6","1") = "8"
    & skf18("9","5","2","4","5","7","1") = "8"
    & skf18("9","5","2","4","5","8","1") = "8"
    & skf18("9","5","2","4","5","9","1") = "8"
    & skf18("9","5","2","4","5","10","1") = "9"
    & skf18("9","5","2","4","6","1","1") = "8"
    & skf18("9","5","2","4","6","2","1") = "8"
    & skf18("9","5","2","4","6","3","1") = "8"
    & skf18("9","5","2","4","6","4","1") = "8"
    & skf18("9","5","2","4","6","5","1") = "8"
    & skf18("9","5","2","4","6","6","1") = "8"
    & skf18("9","5","2","4","6","7","1") = "8"
    & skf18("9","5","2","4","6","8","1") = "8"
    & skf18("9","5","2","4","6","9","1") = "8"
    & skf18("9","5","2","4","6","10","1") = "9"
    & skf18("9","5","2","4","7","1","1") = "8"
    & skf18("9","5","2","4","7","2","1") = "8"
    & skf18("9","5","2","4","7","3","1") = "8"
    & skf18("9","5","2","4","7","4","1") = "8"
    & skf18("9","5","2","4","7","5","1") = "8"
    & skf18("9","5","2","4","7","6","1") = "8"
    & skf18("9","5","2","4","7","7","1") = "8"
    & skf18("9","5","2","4","7","8","1") = "8"
    & skf18("9","5","2","4","7","9","1") = "8"
    & skf18("9","5","2","4","7","10","1") = "9"
    & skf18("9","5","2","4","8","1","1") = "8"
    & skf18("9","5","2","4","8","2","1") = "8"
    & skf18("9","5","2","4","8","3","1") = "8"
    & skf18("9","5","2","4","8","4","1") = "8"
    & skf18("9","5","2","4","8","5","1") = "8"
    & skf18("9","5","2","4","8","6","1") = "8"
    & skf18("9","5","2","4","8","7","1") = "8"
    & skf18("9","5","2","4","8","8","1") = "8"
    & skf18("9","5","2","4","8","9","1") = "8"
    & skf18("9","5","2","4","8","10","1") = "9"
    & skf18("9","5","2","4","9","1","1") = "8"
    & skf18("9","5","2","4","9","2","1") = "8"
    & skf18("9","5","2","4","9","3","1") = "8"
    & skf18("9","5","2","4","9","4","1") = "8"
    & skf18("9","5","2","4","9","5","1") = "8"
    & skf18("9","5","2","4","9","6","1") = "8"
    & skf18("9","5","2","4","9","7","1") = "8"
    & skf18("9","5","2","4","9","8","1") = "8"
    & skf18("9","5","2","4","9","9","1") = "8"
    & skf18("9","5","2","4","9","10","1") = "9"
    & skf18("9","5","2","4","10","1","1") = "9"
    & skf18("9","5","2","4","10","2","1") = "9"
    & skf18("9","5","2","4","10","3","1") = "9"
    & skf18("9","5","2","4","10","4","1") = "9"
    & skf18("9","5","2","4","10","5","1") = "9"
    & skf18("9","5","2","4","10","6","1") = "9"
    & skf18("9","5","2","4","10","7","1") = "9"
    & skf18("9","5","2","4","10","8","1") = "9"
    & skf18("9","5","2","4","10","9","1") = "9"
    & skf18("9","5","2","4","10","10","1") = "9"
    & skf18("9","5","2","5","1","1","1") = "8"
    & skf18("9","5","2","5","1","2","1") = "8"
    & skf18("9","5","2","5","1","3","1") = "8"
    & skf18("9","5","2","5","1","4","1") = "8"
    & skf18("9","5","2","5","1","5","1") = "8"
    & skf18("9","5","2","5","1","6","1") = "8"
    & skf18("9","5","2","5","1","7","1") = "8"
    & skf18("9","5","2","5","1","8","1") = "8"
    & skf18("9","5","2","5","1","9","1") = "8"
    & skf18("9","5","2","5","1","10","1") = "9"
    & skf18("9","5","2","5","2","1","1") = "8"
    & skf18("9","5","2","5","2","2","1") = "8"
    & skf18("9","5","2","5","2","3","1") = "8"
    & skf18("9","5","2","5","2","4","1") = "8"
    & skf18("9","5","2","5","2","5","1") = "8"
    & skf18("9","5","2","5","2","6","1") = "8"
    & skf18("9","5","2","5","2","7","1") = "8"
    & skf18("9","5","2","5","2","8","1") = "8"
    & skf18("9","5","2","5","2","9","1") = "8"
    & skf18("9","5","2","5","2","10","1") = "9"
    & skf18("9","5","2","5","3","1","1") = "8"
    & skf18("9","5","2","5","3","2","1") = "8"
    & skf18("9","5","2","5","3","3","1") = "8"
    & skf18("9","5","2","5","3","4","1") = "8"
    & skf18("9","5","2","5","3","5","1") = "8"
    & skf18("9","5","2","5","3","6","1") = "8"
    & skf18("9","5","2","5","3","7","1") = "8"
    & skf18("9","5","2","5","3","8","1") = "8"
    & skf18("9","5","2","5","3","9","1") = "8"
    & skf18("9","5","2","5","3","10","1") = "9"
    & skf18("9","5","2","5","4","1","1") = "8"
    & skf18("9","5","2","5","4","2","1") = "8"
    & skf18("9","5","2","5","4","3","1") = "8"
    & skf18("9","5","2","5","4","4","1") = "8"
    & skf18("9","5","2","5","4","5","1") = "8"
    & skf18("9","5","2","5","4","6","1") = "8"
    & skf18("9","5","2","5","4","7","1") = "8"
    & skf18("9","5","2","5","4","8","1") = "8"
    & skf18("9","5","2","5","4","9","1") = "8"
    & skf18("9","5","2","5","4","10","1") = "9"
    & skf18("9","5","2","5","5","1","1") = "8"
    & skf18("9","5","2","5","5","2","1") = "8"
    & skf18("9","5","2","5","5","3","1") = "8"
    & skf18("9","5","2","5","5","4","1") = "8"
    & skf18("9","5","2","5","5","5","1") = "8"
    & skf18("9","5","2","5","5","6","1") = "8"
    & skf18("9","5","2","5","5","7","1") = "8"
    & skf18("9","5","2","5","5","8","1") = "8"
    & skf18("9","5","2","5","5","9","1") = "8"
    & skf18("9","5","2","5","5","10","1") = "9"
    & skf18("9","5","2","5","6","1","1") = "8"
    & skf18("9","5","2","5","6","2","1") = "8"
    & skf18("9","5","2","5","6","3","1") = "8"
    & skf18("9","5","2","5","6","4","1") = "8"
    & skf18("9","5","2","5","6","5","1") = "8"
    & skf18("9","5","2","5","6","6","1") = "8"
    & skf18("9","5","2","5","6","7","1") = "8"
    & skf18("9","5","2","5","6","8","1") = "8"
    & skf18("9","5","2","5","6","9","1") = "8"
    & skf18("9","5","2","5","6","10","1") = "9"
    & skf18("9","5","2","5","7","1","1") = "8"
    & skf18("9","5","2","5","7","2","1") = "8"
    & skf18("9","5","2","5","7","3","1") = "8"
    & skf18("9","5","2","5","7","4","1") = "8"
    & skf18("9","5","2","5","7","5","1") = "8"
    & skf18("9","5","2","5","7","6","1") = "8"
    & skf18("9","5","2","5","7","7","1") = "8"
    & skf18("9","5","2","5","7","8","1") = "8"
    & skf18("9","5","2","5","7","9","1") = "8"
    & skf18("9","5","2","5","7","10","1") = "9"
    & skf18("9","5","2","5","8","1","1") = "8"
    & skf18("9","5","2","5","8","2","1") = "8"
    & skf18("9","5","2","5","8","3","1") = "8"
    & skf18("9","5","2","5","8","4","1") = "8"
    & skf18("9","5","2","5","8","5","1") = "8"
    & skf18("9","5","2","5","8","6","1") = "8"
    & skf18("9","5","2","5","8","7","1") = "8"
    & skf18("9","5","2","5","8","8","1") = "8"
    & skf18("9","5","2","5","8","9","1") = "8"
    & skf18("9","5","2","5","8","10","1") = "9"
    & skf18("9","5","2","5","9","1","1") = "8"
    & skf18("9","5","2","5","9","2","1") = "8"
    & skf18("9","5","2","5","9","3","1") = "8"
    & skf18("9","5","2","5","9","4","1") = "8"
    & skf18("9","5","2","5","9","5","1") = "8"
    & skf18("9","5","2","5","9","6","1") = "8"
    & skf18("9","5","2","5","9","7","1") = "8"
    & skf18("9","5","2","5","9","8","1") = "8"
    & skf18("9","5","2","5","9","9","1") = "8"
    & skf18("9","5","2","5","9","10","1") = "9"
    & skf18("9","5","2","5","10","1","1") = "9"
    & skf18("9","5","2","5","10","2","1") = "9"
    & skf18("9","5","2","5","10","3","1") = "9"
    & skf18("9","5","2","5","10","4","1") = "9"
    & skf18("9","5","2","5","10","5","1") = "9"
    & skf18("9","5","2","5","10","6","1") = "9"
    & skf18("9","5","2","5","10","7","1") = "9"
    & skf18("9","5","2","5","10","8","1") = "9"
    & skf18("9","5","2","5","10","9","1") = "9"
    & skf18("9","5","2","5","10","10","1") = "9"
    & skf18("9","5","2","6","1","1","1") = "8"
    & skf18("9","5","2","6","1","2","1") = "8"
    & skf18("9","5","2","6","1","3","1") = "8"
    & skf18("9","5","2","6","1","4","1") = "8"
    & skf18("9","5","2","6","1","5","1") = "8"
    & skf18("9","5","2","6","1","6","1") = "8"
    & skf18("9","5","2","6","1","7","1") = "8"
    & skf18("9","5","2","6","1","8","1") = "8"
    & skf18("9","5","2","6","1","9","1") = "8"
    & skf18("9","5","2","6","1","10","1") = "9"
    & skf18("9","5","2","6","2","1","1") = "8"
    & skf18("9","5","2","6","2","2","1") = "8"
    & skf18("9","5","2","6","2","3","1") = "8"
    & skf18("9","5","2","6","2","4","1") = "8"
    & skf18("9","5","2","6","2","5","1") = "8"
    & skf18("9","5","2","6","2","6","1") = "8"
    & skf18("9","5","2","6","2","7","1") = "8"
    & skf18("9","5","2","6","2","8","1") = "8"
    & skf18("9","5","2","6","2","9","1") = "8"
    & skf18("9","5","2","6","2","10","1") = "9"
    & skf18("9","5","2","6","3","1","1") = "8"
    & skf18("9","5","2","6","3","2","1") = "8"
    & skf18("9","5","2","6","3","3","1") = "8"
    & skf18("9","5","2","6","3","4","1") = "8"
    & skf18("9","5","2","6","3","5","1") = "8"
    & skf18("9","5","2","6","3","6","1") = "8"
    & skf18("9","5","2","6","3","7","1") = "8"
    & skf18("9","5","2","6","3","8","1") = "8"
    & skf18("9","5","2","6","3","9","1") = "8"
    & skf18("9","5","2","6","3","10","1") = "9"
    & skf18("9","5","2","6","4","1","1") = "8"
    & skf18("9","5","2","6","4","2","1") = "8"
    & skf18("9","5","2","6","4","3","1") = "8"
    & skf18("9","5","2","6","4","4","1") = "8"
    & skf18("9","5","2","6","4","5","1") = "8"
    & skf18("9","5","2","6","4","6","1") = "8"
    & skf18("9","5","2","6","4","7","1") = "8"
    & skf18("9","5","2","6","4","8","1") = "8"
    & skf18("9","5","2","6","4","9","1") = "8"
    & skf18("9","5","2","6","4","10","1") = "9"
    & skf18("9","5","2","6","5","1","1") = "8"
    & skf18("9","5","2","6","5","2","1") = "8"
    & skf18("9","5","2","6","5","3","1") = "8"
    & skf18("9","5","2","6","5","4","1") = "8"
    & skf18("9","5","2","6","5","5","1") = "8"
    & skf18("9","5","2","6","5","6","1") = "8"
    & skf18("9","5","2","6","5","7","1") = "8"
    & skf18("9","5","2","6","5","8","1") = "8"
    & skf18("9","5","2","6","5","9","1") = "8"
    & skf18("9","5","2","6","5","10","1") = "9"
    & skf18("9","5","2","6","6","1","1") = "8"
    & skf18("9","5","2","6","6","2","1") = "8"
    & skf18("9","5","2","6","6","3","1") = "8"
    & skf18("9","5","2","6","6","4","1") = "8"
    & skf18("9","5","2","6","6","5","1") = "8"
    & skf18("9","5","2","6","6","6","1") = "8"
    & skf18("9","5","2","6","6","7","1") = "8"
    & skf18("9","5","2","6","6","8","1") = "8"
    & skf18("9","5","2","6","6","9","1") = "8"
    & skf18("9","5","2","6","6","10","1") = "9"
    & skf18("9","5","2","6","7","1","1") = "8"
    & skf18("9","5","2","6","7","2","1") = "8"
    & skf18("9","5","2","6","7","3","1") = "8"
    & skf18("9","5","2","6","7","4","1") = "8"
    & skf18("9","5","2","6","7","5","1") = "8"
    & skf18("9","5","2","6","7","6","1") = "8"
    & skf18("9","5","2","6","7","7","1") = "8"
    & skf18("9","5","2","6","7","8","1") = "8"
    & skf18("9","5","2","6","7","9","1") = "8"
    & skf18("9","5","2","6","7","10","1") = "9"
    & skf18("9","5","2","6","8","1","1") = "8"
    & skf18("9","5","2","6","8","2","1") = "8"
    & skf18("9","5","2","6","8","3","1") = "8"
    & skf18("9","5","2","6","8","4","1") = "8"
    & skf18("9","5","2","6","8","5","1") = "8"
    & skf18("9","5","2","6","8","6","1") = "8"
    & skf18("9","5","2","6","8","7","1") = "8"
    & skf18("9","5","2","6","8","8","1") = "8"
    & skf18("9","5","2","6","8","9","1") = "8"
    & skf18("9","5","2","6","8","10","1") = "9"
    & skf18("9","5","2","6","9","1","1") = "8"
    & skf18("9","5","2","6","9","2","1") = "8"
    & skf18("9","5","2","6","9","3","1") = "8"
    & skf18("9","5","2","6","9","4","1") = "8"
    & skf18("9","5","2","6","9","5","1") = "8"
    & skf18("9","5","2","6","9","6","1") = "8"
    & skf18("9","5","2","6","9","7","1") = "8"
    & skf18("9","5","2","6","9","8","1") = "8"
    & skf18("9","5","2","6","9","9","1") = "8"
    & skf18("9","5","2","6","9","10","1") = "9"
    & skf18("9","5","2","6","10","1","1") = "9"
    & skf18("9","5","2","6","10","2","1") = "9"
    & skf18("9","5","2","6","10","3","1") = "9"
    & skf18("9","5","2","6","10","4","1") = "9"
    & skf18("9","5","2","6","10","5","1") = "9"
    & skf18("9","5","2","6","10","6","1") = "9"
    & skf18("9","5","2","6","10","7","1") = "9"
    & skf18("9","5","2","6","10","8","1") = "9"
    & skf18("9","5","2","6","10","9","1") = "9"
    & skf18("9","5","2","6","10","10","1") = "9"
    & skf18("9","5","2","7","1","1","1") = "8"
    & skf18("9","5","2","7","1","2","1") = "8"
    & skf18("9","5","2","7","1","3","1") = "8"
    & skf18("9","5","2","7","1","4","1") = "8"
    & skf18("9","5","2","7","1","5","1") = "8"
    & skf18("9","5","2","7","1","6","1") = "8"
    & skf18("9","5","2","7","1","7","1") = "8"
    & skf18("9","5","2","7","1","8","1") = "8"
    & skf18("9","5","2","7","1","9","1") = "8"
    & skf18("9","5","2","7","1","10","1") = "9"
    & skf18("9","5","2","7","2","1","1") = "8"
    & skf18("9","5","2","7","2","2","1") = "8"
    & skf18("9","5","2","7","2","3","1") = "8"
    & skf18("9","5","2","7","2","4","1") = "8"
    & skf18("9","5","2","7","2","5","1") = "8"
    & skf18("9","5","2","7","2","6","1") = "8"
    & skf18("9","5","2","7","2","7","1") = "8"
    & skf18("9","5","2","7","2","8","1") = "8"
    & skf18("9","5","2","7","2","9","1") = "8"
    & skf18("9","5","2","7","2","10","1") = "9"
    & skf18("9","5","2","7","3","1","1") = "8"
    & skf18("9","5","2","7","3","2","1") = "8"
    & skf18("9","5","2","7","3","3","1") = "8"
    & skf18("9","5","2","7","3","4","1") = "8"
    & skf18("9","5","2","7","3","5","1") = "8"
    & skf18("9","5","2","7","3","6","1") = "8"
    & skf18("9","5","2","7","3","7","1") = "8"
    & skf18("9","5","2","7","3","8","1") = "8"
    & skf18("9","5","2","7","3","9","1") = "8"
    & skf18("9","5","2","7","3","10","1") = "9"
    & skf18("9","5","2","7","4","1","1") = "8"
    & skf18("9","5","2","7","4","2","1") = "8"
    & skf18("9","5","2","7","4","3","1") = "8"
    & skf18("9","5","2","7","4","4","1") = "8"
    & skf18("9","5","2","7","4","5","1") = "8"
    & skf18("9","5","2","7","4","6","1") = "8"
    & skf18("9","5","2","7","4","7","1") = "8"
    & skf18("9","5","2","7","4","8","1") = "8"
    & skf18("9","5","2","7","4","9","1") = "8"
    & skf18("9","5","2","7","4","10","1") = "9"
    & skf18("9","5","2","7","5","1","1") = "8"
    & skf18("9","5","2","7","5","2","1") = "8"
    & skf18("9","5","2","7","5","3","1") = "8"
    & skf18("9","5","2","7","5","4","1") = "8"
    & skf18("9","5","2","7","5","5","1") = "8"
    & skf18("9","5","2","7","5","6","1") = "8"
    & skf18("9","5","2","7","5","7","1") = "8"
    & skf18("9","5","2","7","5","8","1") = "8"
    & skf18("9","5","2","7","5","9","1") = "8"
    & skf18("9","5","2","7","5","10","1") = "9"
    & skf18("9","5","2","7","6","1","1") = "8"
    & skf18("9","5","2","7","6","2","1") = "8"
    & skf18("9","5","2","7","6","3","1") = "8"
    & skf18("9","5","2","7","6","4","1") = "8"
    & skf18("9","5","2","7","6","5","1") = "8"
    & skf18("9","5","2","7","6","6","1") = "8"
    & skf18("9","5","2","7","6","7","1") = "8"
    & skf18("9","5","2","7","6","8","1") = "8"
    & skf18("9","5","2","7","6","9","1") = "8"
    & skf18("9","5","2","7","6","10","1") = "9"
    & skf18("9","5","2","7","7","1","1") = "8"
    & skf18("9","5","2","7","7","2","1") = "8"
    & skf18("9","5","2","7","7","3","1") = "8"
    & skf18("9","5","2","7","7","4","1") = "8"
    & skf18("9","5","2","7","7","5","1") = "8"
    & skf18("9","5","2","7","7","6","1") = "8"
    & skf18("9","5","2","7","7","7","1") = "8"
    & skf18("9","5","2","7","7","8","1") = "8"
    & skf18("9","5","2","7","7","9","1") = "8"
    & skf18("9","5","2","7","7","10","1") = "9"
    & skf18("9","5","2","7","8","1","1") = "8"
    & skf18("9","5","2","7","8","2","1") = "8"
    & skf18("9","5","2","7","8","3","1") = "8"
    & skf18("9","5","2","7","8","4","1") = "8"
    & skf18("9","5","2","7","8","5","1") = "8"
    & skf18("9","5","2","7","8","6","1") = "8"
    & skf18("9","5","2","7","8","7","1") = "8"
    & skf18("9","5","2","7","8","8","1") = "8"
    & skf18("9","5","2","7","8","9","1") = "8"
    & skf18("9","5","2","7","8","10","1") = "9"
    & skf18("9","5","2","7","9","1","1") = "8"
    & skf18("9","5","2","7","9","2","1") = "8"
    & skf18("9","5","2","7","9","3","1") = "8"
    & skf18("9","5","2","7","9","4","1") = "8"
    & skf18("9","5","2","7","9","5","1") = "8"
    & skf18("9","5","2","7","9","6","1") = "8"
    & skf18("9","5","2","7","9","7","1") = "8"
    & skf18("9","5","2","7","9","8","1") = "8"
    & skf18("9","5","2","7","9","9","1") = "8"
    & skf18("9","5","2","7","9","10","1") = "9"
    & skf18("9","5","2","7","10","1","1") = "9"
    & skf18("9","5","2","7","10","2","1") = "9"
    & skf18("9","5","2","7","10","3","1") = "9"
    & skf18("9","5","2","7","10","4","1") = "9"
    & skf18("9","5","2","7","10","5","1") = "9"
    & skf18("9","5","2","7","10","6","1") = "9"
    & skf18("9","5","2","7","10","7","1") = "9"
    & skf18("9","5","2","7","10","8","1") = "9"
    & skf18("9","5","2","7","10","9","1") = "9"
    & skf18("9","5","2","7","10","10","1") = "9"
    & skf18("9","5","2","8","1","1","1") = "8"
    & skf18("9","5","2","8","1","2","1") = "8"
    & skf18("9","5","2","8","1","3","1") = "8"
    & skf18("9","5","2","8","1","4","1") = "8"
    & skf18("9","5","2","8","1","5","1") = "8"
    & skf18("9","5","2","8","1","6","1") = "8"
    & skf18("9","5","2","8","1","7","1") = "8"
    & skf18("9","5","2","8","1","8","1") = "8"
    & skf18("9","5","2","8","1","9","1") = "8"
    & skf18("9","5","2","8","1","10","1") = "9"
    & skf18("9","5","2","8","2","1","1") = "8"
    & skf18("9","5","2","8","2","2","1") = "8"
    & skf18("9","5","2","8","2","3","1") = "8"
    & skf18("9","5","2","8","2","4","1") = "8"
    & skf18("9","5","2","8","2","5","1") = "8"
    & skf18("9","5","2","8","2","6","1") = "8"
    & skf18("9","5","2","8","2","7","1") = "8"
    & skf18("9","5","2","8","2","8","1") = "8"
    & skf18("9","5","2","8","2","9","1") = "8"
    & skf18("9","5","2","8","2","10","1") = "9"
    & skf18("9","5","2","8","3","1","1") = "8"
    & skf18("9","5","2","8","3","2","1") = "8"
    & skf18("9","5","2","8","3","3","1") = "8"
    & skf18("9","5","2","8","3","4","1") = "8"
    & skf18("9","5","2","8","3","5","1") = "8"
    & skf18("9","5","2","8","3","6","1") = "8"
    & skf18("9","5","2","8","3","7","1") = "8"
    & skf18("9","5","2","8","3","8","1") = "8"
    & skf18("9","5","2","8","3","9","1") = "8"
    & skf18("9","5","2","8","3","10","1") = "9"
    & skf18("9","5","2","8","4","1","1") = "8"
    & skf18("9","5","2","8","4","2","1") = "8"
    & skf18("9","5","2","8","4","3","1") = "8"
    & skf18("9","5","2","8","4","4","1") = "8"
    & skf18("9","5","2","8","4","5","1") = "8"
    & skf18("9","5","2","8","4","6","1") = "8"
    & skf18("9","5","2","8","4","7","1") = "8"
    & skf18("9","5","2","8","4","8","1") = "8"
    & skf18("9","5","2","8","4","9","1") = "8"
    & skf18("9","5","2","8","4","10","1") = "9"
    & skf18("9","5","2","8","5","1","1") = "8"
    & skf18("9","5","2","8","5","2","1") = "8"
    & skf18("9","5","2","8","5","3","1") = "8"
    & skf18("9","5","2","8","5","4","1") = "8"
    & skf18("9","5","2","8","5","5","1") = "8"
    & skf18("9","5","2","8","5","6","1") = "8"
    & skf18("9","5","2","8","5","7","1") = "8"
    & skf18("9","5","2","8","5","8","1") = "8"
    & skf18("9","5","2","8","5","9","1") = "8"
    & skf18("9","5","2","8","5","10","1") = "9"
    & skf18("9","5","2","8","6","1","1") = "8"
    & skf18("9","5","2","8","6","2","1") = "8"
    & skf18("9","5","2","8","6","3","1") = "8"
    & skf18("9","5","2","8","6","4","1") = "8"
    & skf18("9","5","2","8","6","5","1") = "8"
    & skf18("9","5","2","8","6","6","1") = "8"
    & skf18("9","5","2","8","6","7","1") = "8"
    & skf18("9","5","2","8","6","8","1") = "8"
    & skf18("9","5","2","8","6","9","1") = "8"
    & skf18("9","5","2","8","6","10","1") = "9"
    & skf18("9","5","2","8","7","1","1") = "8"
    & skf18("9","5","2","8","7","2","1") = "8"
    & skf18("9","5","2","8","7","3","1") = "8"
    & skf18("9","5","2","8","7","4","1") = "8"
    & skf18("9","5","2","8","7","5","1") = "8"
    & skf18("9","5","2","8","7","6","1") = "8"
    & skf18("9","5","2","8","7","7","1") = "8"
    & skf18("9","5","2","8","7","8","1") = "8"
    & skf18("9","5","2","8","7","9","1") = "8"
    & skf18("9","5","2","8","7","10","1") = "9"
    & skf18("9","5","2","8","8","1","1") = "8"
    & skf18("9","5","2","8","8","2","1") = "8"
    & skf18("9","5","2","8","8","3","1") = "8"
    & skf18("9","5","2","8","8","4","1") = "8"
    & skf18("9","5","2","8","8","5","1") = "8"
    & skf18("9","5","2","8","8","6","1") = "8"
    & skf18("9","5","2","8","8","7","1") = "8"
    & skf18("9","5","2","8","8","8","1") = "8"
    & skf18("9","5","2","8","8","9","1") = "8"
    & skf18("9","5","2","8","8","10","1") = "9"
    & skf18("9","5","2","8","9","1","1") = "8"
    & skf18("9","5","2","8","9","2","1") = "8"
    & skf18("9","5","2","8","9","3","1") = "8"
    & skf18("9","5","2","8","9","4","1") = "8"
    & skf18("9","5","2","8","9","5","1") = "8"
    & skf18("9","5","2","8","9","6","1") = "8"
    & skf18("9","5","2","8","9","7","1") = "8"
    & skf18("9","5","2","8","9","8","1") = "8"
    & skf18("9","5","2","8","9","9","1") = "8"
    & skf18("9","5","2","8","9","10","1") = "9"
    & skf18("9","5","2","8","10","1","1") = "9"
    & skf18("9","5","2","8","10","2","1") = "9"
    & skf18("9","5","2","8","10","3","1") = "9"
    & skf18("9","5","2","8","10","4","1") = "9"
    & skf18("9","5","2","8","10","5","1") = "9"
    & skf18("9","5","2","8","10","6","1") = "9"
    & skf18("9","5","2","8","10","7","1") = "9"
    & skf18("9","5","2","8","10","8","1") = "9"
    & skf18("9","5","2","8","10","9","1") = "9"
    & skf18("9","5","2","8","10","10","1") = "9"
    & skf18("9","5","2","9","1","1","1") = "8"
    & skf18("9","5","2","9","1","2","1") = "8"
    & skf18("9","5","2","9","1","3","1") = "8"
    & skf18("9","5","2","9","1","4","1") = "8"
    & skf18("9","5","2","9","1","5","1") = "8"
    & skf18("9","5","2","9","1","6","1") = "8"
    & skf18("9","5","2","9","1","7","1") = "8"
    & skf18("9","5","2","9","1","8","1") = "8"
    & skf18("9","5","2","9","1","9","1") = "8"
    & skf18("9","5","2","9","1","10","1") = "9"
    & skf18("9","5","2","9","2","1","1") = "8"
    & skf18("9","5","2","9","2","2","1") = "8"
    & skf18("9","5","2","9","2","3","1") = "8"
    & skf18("9","5","2","9","2","4","1") = "8"
    & skf18("9","5","2","9","2","5","1") = "8"
    & skf18("9","5","2","9","2","6","1") = "8"
    & skf18("9","5","2","9","2","7","1") = "8"
    & skf18("9","5","2","9","2","8","1") = "8"
    & skf18("9","5","2","9","2","9","1") = "8"
    & skf18("9","5","2","9","2","10","1") = "9"
    & skf18("9","5","2","9","3","1","1") = "8"
    & skf18("9","5","2","9","3","2","1") = "8"
    & skf18("9","5","2","9","3","3","1") = "8"
    & skf18("9","5","2","9","3","4","1") = "8"
    & skf18("9","5","2","9","3","5","1") = "8"
    & skf18("9","5","2","9","3","6","1") = "8"
    & skf18("9","5","2","9","3","7","1") = "8"
    & skf18("9","5","2","9","3","8","1") = "8"
    & skf18("9","5","2","9","3","9","1") = "8"
    & skf18("9","5","2","9","3","10","1") = "9"
    & skf18("9","5","2","9","4","1","1") = "8"
    & skf18("9","5","2","9","4","2","1") = "8"
    & skf18("9","5","2","9","4","3","1") = "8"
    & skf18("9","5","2","9","4","4","1") = "8"
    & skf18("9","5","2","9","4","5","1") = "8"
    & skf18("9","5","2","9","4","6","1") = "8"
    & skf18("9","5","2","9","4","7","1") = "8"
    & skf18("9","5","2","9","4","8","1") = "8"
    & skf18("9","5","2","9","4","9","1") = "8"
    & skf18("9","5","2","9","4","10","1") = "9"
    & skf18("9","5","2","9","5","1","1") = "8"
    & skf18("9","5","2","9","5","2","1") = "8"
    & skf18("9","5","2","9","5","3","1") = "8"
    & skf18("9","5","2","9","5","4","1") = "8"
    & skf18("9","5","2","9","5","5","1") = "8"
    & skf18("9","5","2","9","5","6","1") = "8"
    & skf18("9","5","2","9","5","7","1") = "8"
    & skf18("9","5","2","9","5","8","1") = "8"
    & skf18("9","5","2","9","5","9","1") = "8"
    & skf18("9","5","2","9","5","10","1") = "9"
    & skf18("9","5","2","9","6","1","1") = "8"
    & skf18("9","5","2","9","6","2","1") = "8"
    & skf18("9","5","2","9","6","3","1") = "8"
    & skf18("9","5","2","9","6","4","1") = "8"
    & skf18("9","5","2","9","6","5","1") = "8"
    & skf18("9","5","2","9","6","6","1") = "8"
    & skf18("9","5","2","9","6","7","1") = "8"
    & skf18("9","5","2","9","6","8","1") = "8"
    & skf18("9","5","2","9","6","9","1") = "8"
    & skf18("9","5","2","9","6","10","1") = "9"
    & skf18("9","5","2","9","7","1","1") = "8"
    & skf18("9","5","2","9","7","2","1") = "8"
    & skf18("9","5","2","9","7","3","1") = "8"
    & skf18("9","5","2","9","7","4","1") = "8"
    & skf18("9","5","2","9","7","5","1") = "8"
    & skf18("9","5","2","9","7","6","1") = "8"
    & skf18("9","5","2","9","7","7","1") = "8"
    & skf18("9","5","2","9","7","8","1") = "8"
    & skf18("9","5","2","9","7","9","1") = "8"
    & skf18("9","5","2","9","7","10","1") = "9"
    & skf18("9","5","2","9","8","1","1") = "8"
    & skf18("9","5","2","9","8","2","1") = "8"
    & skf18("9","5","2","9","8","3","1") = "8"
    & skf18("9","5","2","9","8","4","1") = "8"
    & skf18("9","5","2","9","8","5","1") = "8"
    & skf18("9","5","2","9","8","6","1") = "8"
    & skf18("9","5","2","9","8","7","1") = "8"
    & skf18("9","5","2","9","8","8","1") = "8"
    & skf18("9","5","2","9","8","9","1") = "8"
    & skf18("9","5","2","9","8","10","1") = "9"
    & skf18("9","5","2","9","9","1","1") = "8"
    & skf18("9","5","2","9","9","2","1") = "8"
    & skf18("9","5","2","9","9","3","1") = "8"
    & skf18("9","5","2","9","9","4","1") = "8"
    & skf18("9","5","2","9","9","5","1") = "8"
    & skf18("9","5","2","9","9","6","1") = "8"
    & skf18("9","5","2","9","9","7","1") = "8"
    & skf18("9","5","2","9","9","8","1") = "8"
    & skf18("9","5","2","9","9","9","1") = "8"
    & skf18("9","5","2","9","9","10","1") = "9"
    & skf18("9","5","2","9","10","1","1") = "9"
    & skf18("9","5","2","9","10","2","1") = "9"
    & skf18("9","5","2","9","10","3","1") = "9"
    & skf18("9","5","2","9","10","4","1") = "9"
    & skf18("9","5","2","9","10","5","1") = "9"
    & skf18("9","5","2","9","10","6","1") = "9"
    & skf18("9","5","2","9","10","7","1") = "9"
    & skf18("9","5","2","9","10","8","1") = "9"
    & skf18("9","5","2","9","10","9","1") = "9"
    & skf18("9","5","2","9","10","10","1") = "9"
    & skf18("9","5","2","10","1","1","1") = "9"
    & skf18("9","5","2","10","1","2","1") = "9"
    & skf18("9","5","2","10","1","3","1") = "9"
    & skf18("9","5","2","10","1","4","1") = "9"
    & skf18("9","5","2","10","1","5","1") = "9"
    & skf18("9","5","2","10","1","6","1") = "9"
    & skf18("9","5","2","10","1","7","1") = "9"
    & skf18("9","5","2","10","1","8","1") = "9"
    & skf18("9","5","2","10","1","9","1") = "9"
    & skf18("9","5","2","10","1","10","1") = "9"
    & skf18("9","5","2","10","2","1","1") = "9"
    & skf18("9","5","2","10","2","2","1") = "9"
    & skf18("9","5","2","10","2","3","1") = "9"
    & skf18("9","5","2","10","2","4","1") = "9"
    & skf18("9","5","2","10","2","5","1") = "9"
    & skf18("9","5","2","10","2","6","1") = "9"
    & skf18("9","5","2","10","2","7","1") = "9"
    & skf18("9","5","2","10","2","8","1") = "9"
    & skf18("9","5","2","10","2","9","1") = "9"
    & skf18("9","5","2","10","2","10","1") = "9"
    & skf18("9","5","2","10","3","1","1") = "9"
    & skf18("9","5","2","10","3","2","1") = "9"
    & skf18("9","5","2","10","3","3","1") = "9"
    & skf18("9","5","2","10","3","4","1") = "9"
    & skf18("9","5","2","10","3","5","1") = "9"
    & skf18("9","5","2","10","3","6","1") = "9"
    & skf18("9","5","2","10","3","7","1") = "9"
    & skf18("9","5","2","10","3","8","1") = "9"
    & skf18("9","5","2","10","3","9","1") = "9"
    & skf18("9","5","2","10","3","10","1") = "9"
    & skf18("9","5","2","10","4","1","1") = "9"
    & skf18("9","5","2","10","4","2","1") = "9"
    & skf18("9","5","2","10","4","3","1") = "9"
    & skf18("9","5","2","10","4","4","1") = "9"
    & skf18("9","5","2","10","4","5","1") = "9"
    & skf18("9","5","2","10","4","6","1") = "9"
    & skf18("9","5","2","10","4","7","1") = "9"
    & skf18("9","5","2","10","4","8","1") = "9"
    & skf18("9","5","2","10","4","9","1") = "9"
    & skf18("9","5","2","10","4","10","1") = "9"
    & skf18("9","5","2","10","5","1","1") = "9"
    & skf18("9","5","2","10","5","2","1") = "9"
    & skf18("9","5","2","10","5","3","1") = "9"
    & skf18("9","5","2","10","5","4","1") = "9"
    & skf18("9","5","2","10","5","5","1") = "9"
    & skf18("9","5","2","10","5","6","1") = "9"
    & skf18("9","5","2","10","5","7","1") = "9"
    & skf18("9","5","2","10","5","8","1") = "9"
    & skf18("9","5","2","10","5","9","1") = "9"
    & skf18("9","5","2","10","5","10","1") = "9"
    & skf18("9","5","2","10","6","1","1") = "9"
    & skf18("9","5","2","10","6","2","1") = "9"
    & skf18("9","5","2","10","6","3","1") = "9"
    & skf18("9","5","2","10","6","4","1") = "9"
    & skf18("9","5","2","10","6","5","1") = "9"
    & skf18("9","5","2","10","6","6","1") = "9"
    & skf18("9","5","2","10","6","7","1") = "9"
    & skf18("9","5","2","10","6","8","1") = "9"
    & skf18("9","5","2","10","6","9","1") = "9"
    & skf18("9","5","2","10","6","10","1") = "9"
    & skf18("9","5","2","10","7","1","1") = "9"
    & skf18("9","5","2","10","7","2","1") = "9"
    & skf18("9","5","2","10","7","3","1") = "9"
    & skf18("9","5","2","10","7","4","1") = "9"
    & skf18("9","5","2","10","7","5","1") = "9"
    & skf18("9","5","2","10","7","6","1") = "9"
    & skf18("9","5","2","10","7","7","1") = "9"
    & skf18("9","5","2","10","7","8","1") = "9"
    & skf18("9","5","2","10","7","9","1") = "9"
    & skf18("9","5","2","10","7","10","1") = "9"
    & skf18("9","5","2","10","8","1","1") = "9"
    & skf18("9","5","2","10","8","2","1") = "9"
    & skf18("9","5","2","10","8","3","1") = "9"
    & skf18("9","5","2","10","8","4","1") = "9"
    & skf18("9","5","2","10","8","5","1") = "9"
    & skf18("9","5","2","10","8","6","1") = "9"
    & skf18("9","5","2","10","8","7","1") = "9"
    & skf18("9","5","2","10","8","8","1") = "9"
    & skf18("9","5","2","10","8","9","1") = "9"
    & skf18("9","5","2","10","8","10","1") = "9"
    & skf18("9","5","2","10","9","1","1") = "9"
    & skf18("9","5","2","10","9","2","1") = "9"
    & skf18("9","5","2","10","9","3","1") = "9"
    & skf18("9","5","2","10","9","4","1") = "9"
    & skf18("9","5","2","10","9","5","1") = "9"
    & skf18("9","5","2","10","9","6","1") = "9"
    & skf18("9","5","2","10","9","7","1") = "9"
    & skf18("9","5","2","10","9","8","1") = "9"
    & skf18("9","5","2","10","9","9","1") = "9"
    & skf18("9","5","2","10","9","10","1") = "9"
    & skf18("9","5","2","10","10","1","1") = "9"
    & skf18("9","5","2","10","10","2","1") = "9"
    & skf18("9","5","2","10","10","3","1") = "9"
    & skf18("9","5","2","10","10","4","1") = "9"
    & skf18("9","5","2","10","10","5","1") = "9"
    & skf18("9","5","2","10","10","6","1") = "9"
    & skf18("9","5","2","10","10","7","1") = "9"
    & skf18("9","5","2","10","10","8","1") = "9"
    & skf18("9","5","2","10","10","9","1") = "9"
    & skf18("9","5","2","10","10","10","1") = "9"
    & skf18("9","5","3","1","1","1","1") = "8"
    & skf18("9","5","3","1","1","2","1") = "8"
    & skf18("9","5","3","1","1","3","1") = "8"
    & skf18("9","5","3","1","1","4","1") = "8"
    & skf18("9","5","3","1","1","5","1") = "8"
    & skf18("9","5","3","1","1","6","1") = "8"
    & skf18("9","5","3","1","1","7","1") = "8"
    & skf18("9","5","3","1","1","8","1") = "8"
    & skf18("9","5","3","1","1","9","1") = "8"
    & skf18("9","5","3","1","1","10","1") = "9"
    & skf18("9","5","3","1","2","1","1") = "8"
    & skf18("9","5","3","1","2","2","1") = "8"
    & skf18("9","5","3","1","2","3","1") = "8"
    & skf18("9","5","3","1","2","4","1") = "8"
    & skf18("9","5","3","1","2","5","1") = "8"
    & skf18("9","5","3","1","2","6","1") = "8"
    & skf18("9","5","3","1","2","7","1") = "8"
    & skf18("9","5","3","1","2","8","1") = "8"
    & skf18("9","5","3","1","2","9","1") = "8"
    & skf18("9","5","3","1","2","10","1") = "9"
    & skf18("9","5","3","1","3","1","1") = "8"
    & skf18("9","5","3","1","3","2","1") = "8"
    & skf18("9","5","3","1","3","3","1") = "8"
    & skf18("9","5","3","1","3","4","1") = "8"
    & skf18("9","5","3","1","3","5","1") = "8"
    & skf18("9","5","3","1","3","6","1") = "8"
    & skf18("9","5","3","1","3","7","1") = "8"
    & skf18("9","5","3","1","3","8","1") = "8"
    & skf18("9","5","3","1","3","9","1") = "8"
    & skf18("9","5","3","1","3","10","1") = "9"
    & skf18("9","5","3","1","4","1","1") = "8"
    & skf18("9","5","3","1","4","2","1") = "8"
    & skf18("9","5","3","1","4","3","1") = "8"
    & skf18("9","5","3","1","4","4","1") = "8"
    & skf18("9","5","3","1","4","5","1") = "8"
    & skf18("9","5","3","1","4","6","1") = "8"
    & skf18("9","5","3","1","4","7","1") = "8"
    & skf18("9","5","3","1","4","8","1") = "8"
    & skf18("9","5","3","1","4","9","1") = "8"
    & skf18("9","5","3","1","4","10","1") = "9"
    & skf18("9","5","3","1","5","1","1") = "8"
    & skf18("9","5","3","1","5","2","1") = "8"
    & skf18("9","5","3","1","5","3","1") = "8"
    & skf18("9","5","3","1","5","4","1") = "8"
    & skf18("9","5","3","1","5","5","1") = "8"
    & skf18("9","5","3","1","5","6","1") = "8"
    & skf18("9","5","3","1","5","7","1") = "8"
    & skf18("9","5","3","1","5","8","1") = "8"
    & skf18("9","5","3","1","5","9","1") = "8"
    & skf18("9","5","3","1","5","10","1") = "9"
    & skf18("9","5","3","1","6","1","1") = "8"
    & skf18("9","5","3","1","6","2","1") = "8"
    & skf18("9","5","3","1","6","3","1") = "8"
    & skf18("9","5","3","1","6","4","1") = "8"
    & skf18("9","5","3","1","6","5","1") = "8"
    & skf18("9","5","3","1","6","6","1") = "8"
    & skf18("9","5","3","1","6","7","1") = "8"
    & skf18("9","5","3","1","6","8","1") = "8"
    & skf18("9","5","3","1","6","9","1") = "8"
    & skf18("9","5","3","1","6","10","1") = "9"
    & skf18("9","5","3","1","7","1","1") = "8"
    & skf18("9","5","3","1","7","2","1") = "8"
    & skf18("9","5","3","1","7","3","1") = "8"
    & skf18("9","5","3","1","7","4","1") = "8"
    & skf18("9","5","3","1","7","5","1") = "8"
    & skf18("9","5","3","1","7","6","1") = "8"
    & skf18("9","5","3","1","7","7","1") = "8"
    & skf18("9","5","3","1","7","8","1") = "8"
    & skf18("9","5","3","1","7","9","1") = "8"
    & skf18("9","5","3","1","7","10","1") = "9"
    & skf18("9","5","3","1","8","1","1") = "8"
    & skf18("9","5","3","1","8","2","1") = "8"
    & skf18("9","5","3","1","8","3","1") = "8"
    & skf18("9","5","3","1","8","4","1") = "8"
    & skf18("9","5","3","1","8","5","1") = "8"
    & skf18("9","5","3","1","8","6","1") = "8"
    & skf18("9","5","3","1","8","7","1") = "8"
    & skf18("9","5","3","1","8","8","1") = "8"
    & skf18("9","5","3","1","8","9","1") = "8"
    & skf18("9","5","3","1","8","10","1") = "9"
    & skf18("9","5","3","1","9","1","1") = "8"
    & skf18("9","5","3","1","9","2","1") = "8"
    & skf18("9","5","3","1","9","3","1") = "8"
    & skf18("9","5","3","1","9","4","1") = "8"
    & skf18("9","5","3","1","9","5","1") = "8"
    & skf18("9","5","3","1","9","6","1") = "8"
    & skf18("9","5","3","1","9","7","1") = "8"
    & skf18("9","5","3","1","9","8","1") = "8"
    & skf18("9","5","3","1","9","9","1") = "8"
    & skf18("9","5","3","1","9","10","1") = "9"
    & skf18("9","5","3","1","10","1","1") = "9"
    & skf18("9","5","3","1","10","2","1") = "9"
    & skf18("9","5","3","1","10","3","1") = "9"
    & skf18("9","5","3","1","10","4","1") = "9"
    & skf18("9","5","3","1","10","5","1") = "9"
    & skf18("9","5","3","1","10","6","1") = "9"
    & skf18("9","5","3","1","10","7","1") = "9"
    & skf18("9","5","3","1","10","8","1") = "9"
    & skf18("9","5","3","1","10","9","1") = "9"
    & skf18("9","5","3","1","10","10","1") = "9"
    & skf18("9","5","3","2","1","1","1") = "8"
    & skf18("9","5","3","2","1","2","1") = "8"
    & skf18("9","5","3","2","1","3","1") = "8"
    & skf18("9","5","3","2","1","4","1") = "8"
    & skf18("9","5","3","2","1","5","1") = "8"
    & skf18("9","5","3","2","1","6","1") = "8"
    & skf18("9","5","3","2","1","7","1") = "8"
    & skf18("9","5","3","2","1","8","1") = "8"
    & skf18("9","5","3","2","1","9","1") = "8"
    & skf18("9","5","3","2","1","10","1") = "9"
    & skf18("9","5","3","2","2","1","1") = "8"
    & skf18("9","5","3","2","2","2","1") = "8"
    & skf18("9","5","3","2","2","3","1") = "8"
    & skf18("9","5","3","2","2","4","1") = "8"
    & skf18("9","5","3","2","2","5","1") = "8"
    & skf18("9","5","3","2","2","6","1") = "8"
    & skf18("9","5","3","2","2","7","1") = "8"
    & skf18("9","5","3","2","2","8","1") = "8"
    & skf18("9","5","3","2","2","9","1") = "8"
    & skf18("9","5","3","2","2","10","1") = "9"
    & skf18("9","5","3","2","3","1","1") = "8"
    & skf18("9","5","3","2","3","2","1") = "8"
    & skf18("9","5","3","2","3","3","1") = "8"
    & skf18("9","5","3","2","3","4","1") = "8"
    & skf18("9","5","3","2","3","5","1") = "8"
    & skf18("9","5","3","2","3","6","1") = "8"
    & skf18("9","5","3","2","3","7","1") = "8"
    & skf18("9","5","3","2","3","8","1") = "8"
    & skf18("9","5","3","2","3","9","1") = "8"
    & skf18("9","5","3","2","3","10","1") = "9"
    & skf18("9","5","3","2","4","1","1") = "8"
    & skf18("9","5","3","2","4","2","1") = "8"
    & skf18("9","5","3","2","4","3","1") = "8"
    & skf18("9","5","3","2","4","4","1") = "8"
    & skf18("9","5","3","2","4","5","1") = "8"
    & skf18("9","5","3","2","4","6","1") = "8"
    & skf18("9","5","3","2","4","7","1") = "8"
    & skf18("9","5","3","2","4","8","1") = "8"
    & skf18("9","5","3","2","4","9","1") = "8"
    & skf18("9","5","3","2","4","10","1") = "9"
    & skf18("9","5","3","2","5","1","1") = "8"
    & skf18("9","5","3","2","5","2","1") = "8"
    & skf18("9","5","3","2","5","3","1") = "8"
    & skf18("9","5","3","2","5","4","1") = "8"
    & skf18("9","5","3","2","5","5","1") = "8"
    & skf18("9","5","3","2","5","6","1") = "8"
    & skf18("9","5","3","2","5","7","1") = "8"
    & skf18("9","5","3","2","5","8","1") = "8"
    & skf18("9","5","3","2","5","9","1") = "8"
    & skf18("9","5","3","2","5","10","1") = "9"
    & skf18("9","5","3","2","6","1","1") = "8"
    & skf18("9","5","3","2","6","2","1") = "8"
    & skf18("9","5","3","2","6","3","1") = "8"
    & skf18("9","5","3","2","6","4","1") = "8"
    & skf18("9","5","3","2","6","5","1") = "8"
    & skf18("9","5","3","2","6","6","1") = "8"
    & skf18("9","5","3","2","6","7","1") = "8"
    & skf18("9","5","3","2","6","8","1") = "8"
    & skf18("9","5","3","2","6","9","1") = "8"
    & skf18("9","5","3","2","6","10","1") = "9"
    & skf18("9","5","3","2","7","1","1") = "8"
    & skf18("9","5","3","2","7","2","1") = "8"
    & skf18("9","5","3","2","7","3","1") = "8"
    & skf18("9","5","3","2","7","4","1") = "8"
    & skf18("9","5","3","2","7","5","1") = "8"
    & skf18("9","5","3","2","7","6","1") = "8"
    & skf18("9","5","3","2","7","7","1") = "8"
    & skf18("9","5","3","2","7","8","1") = "8"
    & skf18("9","5","3","2","7","9","1") = "8"
    & skf18("9","5","3","2","7","10","1") = "9"
    & skf18("9","5","3","2","8","1","1") = "8"
    & skf18("9","5","3","2","8","2","1") = "8"
    & skf18("9","5","3","2","8","3","1") = "8"
    & skf18("9","5","3","2","8","4","1") = "8"
    & skf18("9","5","3","2","8","5","1") = "8"
    & skf18("9","5","3","2","8","6","1") = "8"
    & skf18("9","5","3","2","8","7","1") = "8"
    & skf18("9","5","3","2","8","8","1") = "8"
    & skf18("9","5","3","2","8","9","1") = "8"
    & skf18("9","5","3","2","8","10","1") = "9"
    & skf18("9","5","3","2","9","1","1") = "8"
    & skf18("9","5","3","2","9","2","1") = "8"
    & skf18("9","5","3","2","9","3","1") = "8"
    & skf18("9","5","3","2","9","4","1") = "8"
    & skf18("9","5","3","2","9","5","1") = "8"
    & skf18("9","5","3","2","9","6","1") = "8"
    & skf18("9","5","3","2","9","7","1") = "8"
    & skf18("9","5","3","2","9","8","1") = "8"
    & skf18("9","5","3","2","9","9","1") = "8"
    & skf18("9","5","3","2","9","10","1") = "9"
    & skf18("9","5","3","2","10","1","1") = "9"
    & skf18("9","5","3","2","10","2","1") = "9"
    & skf18("9","5","3","2","10","3","1") = "9"
    & skf18("9","5","3","2","10","4","1") = "9"
    & skf18("9","5","3","2","10","5","1") = "9"
    & skf18("9","5","3","2","10","6","1") = "9"
    & skf18("9","5","3","2","10","7","1") = "9"
    & skf18("9","5","3","2","10","8","1") = "9"
    & skf18("9","5","3","2","10","9","1") = "9"
    & skf18("9","5","3","2","10","10","1") = "9"
    & skf18("9","5","3","3","1","1","1") = "8"
    & skf18("9","5","3","3","1","2","1") = "8"
    & skf18("9","5","3","3","1","3","1") = "8"
    & skf18("9","5","3","3","1","4","1") = "8"
    & skf18("9","5","3","3","1","5","1") = "8"
    & skf18("9","5","3","3","1","6","1") = "8"
    & skf18("9","5","3","3","1","7","1") = "8"
    & skf18("9","5","3","3","1","8","1") = "8"
    & skf18("9","5","3","3","1","9","1") = "8"
    & skf18("9","5","3","3","1","10","1") = "9"
    & skf18("9","5","3","3","2","1","1") = "8"
    & skf18("9","5","3","3","2","2","1") = "8"
    & skf18("9","5","3","3","2","3","1") = "8"
    & skf18("9","5","3","3","2","4","1") = "8"
    & skf18("9","5","3","3","2","5","1") = "8"
    & skf18("9","5","3","3","2","6","1") = "8"
    & skf18("9","5","3","3","2","7","1") = "8"
    & skf18("9","5","3","3","2","8","1") = "8"
    & skf18("9","5","3","3","2","9","1") = "8"
    & skf18("9","5","3","3","2","10","1") = "9"
    & skf18("9","5","3","3","3","1","1") = "8"
    & skf18("9","5","3","3","3","2","1") = "8"
    & skf18("9","5","3","3","3","3","1") = "8"
    & skf18("9","5","3","3","3","4","1") = "8"
    & skf18("9","5","3","3","3","5","1") = "8"
    & skf18("9","5","3","3","3","6","1") = "8"
    & skf18("9","5","3","3","3","7","1") = "8"
    & skf18("9","5","3","3","3","8","1") = "8"
    & skf18("9","5","3","3","3","9","1") = "8"
    & skf18("9","5","3","3","3","10","1") = "9"
    & skf18("9","5","3","3","4","1","1") = "8"
    & skf18("9","5","3","3","4","2","1") = "8"
    & skf18("9","5","3","3","4","3","1") = "8"
    & skf18("9","5","3","3","4","4","1") = "8"
    & skf18("9","5","3","3","4","5","1") = "8"
    & skf18("9","5","3","3","4","6","1") = "8"
    & skf18("9","5","3","3","4","7","1") = "8"
    & skf18("9","5","3","3","4","8","1") = "8"
    & skf18("9","5","3","3","4","9","1") = "8"
    & skf18("9","5","3","3","4","10","1") = "9"
    & skf18("9","5","3","3","5","1","1") = "8"
    & skf18("9","5","3","3","5","2","1") = "8"
    & skf18("9","5","3","3","5","3","1") = "8"
    & skf18("9","5","3","3","5","4","1") = "8"
    & skf18("9","5","3","3","5","5","1") = "8"
    & skf18("9","5","3","3","5","6","1") = "8"
    & skf18("9","5","3","3","5","7","1") = "8"
    & skf18("9","5","3","3","5","8","1") = "8"
    & skf18("9","5","3","3","5","9","1") = "8"
    & skf18("9","5","3","3","5","10","1") = "9"
    & skf18("9","5","3","3","6","1","1") = "8"
    & skf18("9","5","3","3","6","2","1") = "8"
    & skf18("9","5","3","3","6","3","1") = "8"
    & skf18("9","5","3","3","6","4","1") = "8"
    & skf18("9","5","3","3","6","5","1") = "8"
    & skf18("9","5","3","3","6","6","1") = "8"
    & skf18("9","5","3","3","6","7","1") = "8"
    & skf18("9","5","3","3","6","8","1") = "8"
    & skf18("9","5","3","3","6","9","1") = "8"
    & skf18("9","5","3","3","6","10","1") = "9"
    & skf18("9","5","3","3","7","1","1") = "8"
    & skf18("9","5","3","3","7","2","1") = "8"
    & skf18("9","5","3","3","7","3","1") = "8"
    & skf18("9","5","3","3","7","4","1") = "8"
    & skf18("9","5","3","3","7","5","1") = "8"
    & skf18("9","5","3","3","7","6","1") = "8"
    & skf18("9","5","3","3","7","7","1") = "8"
    & skf18("9","5","3","3","7","8","1") = "8"
    & skf18("9","5","3","3","7","9","1") = "8"
    & skf18("9","5","3","3","7","10","1") = "9"
    & skf18("9","5","3","3","8","1","1") = "8"
    & skf18("9","5","3","3","8","2","1") = "8"
    & skf18("9","5","3","3","8","3","1") = "8"
    & skf18("9","5","3","3","8","4","1") = "8"
    & skf18("9","5","3","3","8","5","1") = "8"
    & skf18("9","5","3","3","8","6","1") = "8"
    & skf18("9","5","3","3","8","7","1") = "8"
    & skf18("9","5","3","3","8","8","1") = "8"
    & skf18("9","5","3","3","8","9","1") = "8"
    & skf18("9","5","3","3","8","10","1") = "9"
    & skf18("9","5","3","3","9","1","1") = "8"
    & skf18("9","5","3","3","9","2","1") = "8"
    & skf18("9","5","3","3","9","3","1") = "8"
    & skf18("9","5","3","3","9","4","1") = "8"
    & skf18("9","5","3","3","9","5","1") = "8"
    & skf18("9","5","3","3","9","6","1") = "8"
    & skf18("9","5","3","3","9","7","1") = "8"
    & skf18("9","5","3","3","9","8","1") = "8"
    & skf18("9","5","3","3","9","9","1") = "8"
    & skf18("9","5","3","3","9","10","1") = "9"
    & skf18("9","5","3","3","10","1","1") = "9"
    & skf18("9","5","3","3","10","2","1") = "9"
    & skf18("9","5","3","3","10","3","1") = "9"
    & skf18("9","5","3","3","10","4","1") = "9"
    & skf18("9","5","3","3","10","5","1") = "9"
    & skf18("9","5","3","3","10","6","1") = "9"
    & skf18("9","5","3","3","10","7","1") = "9"
    & skf18("9","5","3","3","10","8","1") = "9"
    & skf18("9","5","3","3","10","9","1") = "9"
    & skf18("9","5","3","3","10","10","1") = "9"
    & skf18("9","5","3","4","1","1","1") = "8"
    & skf18("9","5","3","4","1","2","1") = "8"
    & skf18("9","5","3","4","1","3","1") = "8"
    & skf18("9","5","3","4","1","4","1") = "8"
    & skf18("9","5","3","4","1","5","1") = "8"
    & skf18("9","5","3","4","1","6","1") = "8"
    & skf18("9","5","3","4","1","7","1") = "8"
    & skf18("9","5","3","4","1","8","1") = "8"
    & skf18("9","5","3","4","1","9","1") = "8"
    & skf18("9","5","3","4","1","10","1") = "9"
    & skf18("9","5","3","4","2","1","1") = "8"
    & skf18("9","5","3","4","2","2","1") = "8"
    & skf18("9","5","3","4","2","3","1") = "8"
    & skf18("9","5","3","4","2","4","1") = "8"
    & skf18("9","5","3","4","2","5","1") = "8"
    & skf18("9","5","3","4","2","6","1") = "8"
    & skf18("9","5","3","4","2","7","1") = "8"
    & skf18("9","5","3","4","2","8","1") = "8"
    & skf18("9","5","3","4","2","9","1") = "8"
    & skf18("9","5","3","4","2","10","1") = "9"
    & skf18("9","5","3","4","3","1","1") = "8"
    & skf18("9","5","3","4","3","2","1") = "8"
    & skf18("9","5","3","4","3","3","1") = "8"
    & skf18("9","5","3","4","3","4","1") = "8"
    & skf18("9","5","3","4","3","5","1") = "8"
    & skf18("9","5","3","4","3","6","1") = "8"
    & skf18("9","5","3","4","3","7","1") = "8"
    & skf18("9","5","3","4","3","8","1") = "8"
    & skf18("9","5","3","4","3","9","1") = "8"
    & skf18("9","5","3","4","3","10","1") = "9"
    & skf18("9","5","3","4","4","1","1") = "8"
    & skf18("9","5","3","4","4","2","1") = "8"
    & skf18("9","5","3","4","4","3","1") = "8"
    & skf18("9","5","3","4","4","4","1") = "8"
    & skf18("9","5","3","4","4","5","1") = "8"
    & skf18("9","5","3","4","4","6","1") = "8"
    & skf18("9","5","3","4","4","7","1") = "8"
    & skf18("9","5","3","4","4","8","1") = "8"
    & skf18("9","5","3","4","4","9","1") = "8"
    & skf18("9","5","3","4","4","10","1") = "9"
    & skf18("9","5","3","4","5","1","1") = "8"
    & skf18("9","5","3","4","5","2","1") = "8"
    & skf18("9","5","3","4","5","3","1") = "8"
    & skf18("9","5","3","4","5","4","1") = "8"
    & skf18("9","5","3","4","5","5","1") = "8"
    & skf18("9","5","3","4","5","6","1") = "8"
    & skf18("9","5","3","4","5","7","1") = "8"
    & skf18("9","5","3","4","5","8","1") = "8"
    & skf18("9","5","3","4","5","9","1") = "8"
    & skf18("9","5","3","4","5","10","1") = "9"
    & skf18("9","5","3","4","6","1","1") = "8"
    & skf18("9","5","3","4","6","2","1") = "8"
    & skf18("9","5","3","4","6","3","1") = "8"
    & skf18("9","5","3","4","6","4","1") = "8"
    & skf18("9","5","3","4","6","5","1") = "8"
    & skf18("9","5","3","4","6","6","1") = "8"
    & skf18("9","5","3","4","6","7","1") = "8"
    & skf18("9","5","3","4","6","8","1") = "8"
    & skf18("9","5","3","4","6","9","1") = "8"
    & skf18("9","5","3","4","6","10","1") = "9"
    & skf18("9","5","3","4","7","1","1") = "8"
    & skf18("9","5","3","4","7","2","1") = "8"
    & skf18("9","5","3","4","7","3","1") = "8"
    & skf18("9","5","3","4","7","4","1") = "8"
    & skf18("9","5","3","4","7","5","1") = "8"
    & skf18("9","5","3","4","7","6","1") = "8"
    & skf18("9","5","3","4","7","7","1") = "8"
    & skf18("9","5","3","4","7","8","1") = "8"
    & skf18("9","5","3","4","7","9","1") = "8"
    & skf18("9","5","3","4","7","10","1") = "9"
    & skf18("9","5","3","4","8","1","1") = "8"
    & skf18("9","5","3","4","8","2","1") = "8"
    & skf18("9","5","3","4","8","3","1") = "8"
    & skf18("9","5","3","4","8","4","1") = "8"
    & skf18("9","5","3","4","8","5","1") = "8"
    & skf18("9","5","3","4","8","6","1") = "8"
    & skf18("9","5","3","4","8","7","1") = "8"
    & skf18("9","5","3","4","8","8","1") = "8"
    & skf18("9","5","3","4","8","9","1") = "8"
    & skf18("9","5","3","4","8","10","1") = "9"
    & skf18("9","5","3","4","9","1","1") = "8"
    & skf18("9","5","3","4","9","2","1") = "8"
    & skf18("9","5","3","4","9","3","1") = "8"
    & skf18("9","5","3","4","9","4","1") = "8"
    & skf18("9","5","3","4","9","5","1") = "8"
    & skf18("9","5","3","4","9","6","1") = "8"
    & skf18("9","5","3","4","9","7","1") = "8"
    & skf18("9","5","3","4","9","8","1") = "8"
    & skf18("9","5","3","4","9","9","1") = "8"
    & skf18("9","5","3","4","9","10","1") = "9"
    & skf18("9","5","3","4","10","1","1") = "9"
    & skf18("9","5","3","4","10","2","1") = "9"
    & skf18("9","5","3","4","10","3","1") = "9"
    & skf18("9","5","3","4","10","4","1") = "9"
    & skf18("9","5","3","4","10","5","1") = "9"
    & skf18("9","5","3","4","10","6","1") = "9"
    & skf18("9","5","3","4","10","7","1") = "9"
    & skf18("9","5","3","4","10","8","1") = "9"
    & skf18("9","5","3","4","10","9","1") = "9"
    & skf18("9","5","3","4","10","10","1") = "9"
    & skf18("9","5","3","5","1","1","1") = "8"
    & skf18("9","5","3","5","1","2","1") = "8"
    & skf18("9","5","3","5","1","3","1") = "8"
    & skf18("9","5","3","5","1","4","1") = "8"
    & skf18("9","5","3","5","1","5","1") = "8"
    & skf18("9","5","3","5","1","6","1") = "8"
    & skf18("9","5","3","5","1","7","1") = "8"
    & skf18("9","5","3","5","1","8","1") = "8"
    & skf18("9","5","3","5","1","9","1") = "8"
    & skf18("9","5","3","5","1","10","1") = "9"
    & skf18("9","5","3","5","2","1","1") = "8"
    & skf18("9","5","3","5","2","2","1") = "8"
    & skf18("9","5","3","5","2","3","1") = "8"
    & skf18("9","5","3","5","2","4","1") = "8"
    & skf18("9","5","3","5","2","5","1") = "8"
    & skf18("9","5","3","5","2","6","1") = "8"
    & skf18("9","5","3","5","2","7","1") = "8"
    & skf18("9","5","3","5","2","8","1") = "8"
    & skf18("9","5","3","5","2","9","1") = "8"
    & skf18("9","5","3","5","2","10","1") = "9"
    & skf18("9","5","3","5","3","1","1") = "8"
    & skf18("9","5","3","5","3","2","1") = "8"
    & skf18("9","5","3","5","3","3","1") = "8"
    & skf18("9","5","3","5","3","4","1") = "8"
    & skf18("9","5","3","5","3","5","1") = "8"
    & skf18("9","5","3","5","3","6","1") = "8"
    & skf18("9","5","3","5","3","7","1") = "8"
    & skf18("9","5","3","5","3","8","1") = "8"
    & skf18("9","5","3","5","3","9","1") = "8"
    & skf18("9","5","3","5","3","10","1") = "9"
    & skf18("9","5","3","5","4","1","1") = "8"
    & skf18("9","5","3","5","4","2","1") = "8"
    & skf18("9","5","3","5","4","3","1") = "8"
    & skf18("9","5","3","5","4","4","1") = "8"
    & skf18("9","5","3","5","4","5","1") = "8"
    & skf18("9","5","3","5","4","6","1") = "8"
    & skf18("9","5","3","5","4","7","1") = "8"
    & skf18("9","5","3","5","4","8","1") = "8"
    & skf18("9","5","3","5","4","9","1") = "8"
    & skf18("9","5","3","5","4","10","1") = "9"
    & skf18("9","5","3","5","5","1","1") = "8"
    & skf18("9","5","3","5","5","2","1") = "8"
    & skf18("9","5","3","5","5","3","1") = "8"
    & skf18("9","5","3","5","5","4","1") = "8"
    & skf18("9","5","3","5","5","5","1") = "8"
    & skf18("9","5","3","5","5","6","1") = "8"
    & skf18("9","5","3","5","5","7","1") = "8"
    & skf18("9","5","3","5","5","8","1") = "8"
    & skf18("9","5","3","5","5","9","1") = "8"
    & skf18("9","5","3","5","5","10","1") = "9"
    & skf18("9","5","3","5","6","1","1") = "8"
    & skf18("9","5","3","5","6","2","1") = "8"
    & skf18("9","5","3","5","6","3","1") = "8"
    & skf18("9","5","3","5","6","4","1") = "8"
    & skf18("9","5","3","5","6","5","1") = "8"
    & skf18("9","5","3","5","6","6","1") = "8"
    & skf18("9","5","3","5","6","7","1") = "8"
    & skf18("9","5","3","5","6","8","1") = "8"
    & skf18("9","5","3","5","6","9","1") = "8"
    & skf18("9","5","3","5","6","10","1") = "9"
    & skf18("9","5","3","5","7","1","1") = "8"
    & skf18("9","5","3","5","7","2","1") = "8"
    & skf18("9","5","3","5","7","3","1") = "8"
    & skf18("9","5","3","5","7","4","1") = "8"
    & skf18("9","5","3","5","7","5","1") = "8"
    & skf18("9","5","3","5","7","6","1") = "8"
    & skf18("9","5","3","5","7","7","1") = "8"
    & skf18("9","5","3","5","7","8","1") = "8"
    & skf18("9","5","3","5","7","9","1") = "8"
    & skf18("9","5","3","5","7","10","1") = "9"
    & skf18("9","5","3","5","8","1","1") = "8"
    & skf18("9","5","3","5","8","2","1") = "8"
    & skf18("9","5","3","5","8","3","1") = "8"
    & skf18("9","5","3","5","8","4","1") = "8"
    & skf18("9","5","3","5","8","5","1") = "8"
    & skf18("9","5","3","5","8","6","1") = "8"
    & skf18("9","5","3","5","8","7","1") = "8"
    & skf18("9","5","3","5","8","8","1") = "8"
    & skf18("9","5","3","5","8","9","1") = "8"
    & skf18("9","5","3","5","8","10","1") = "9"
    & skf18("9","5","3","5","9","1","1") = "8"
    & skf18("9","5","3","5","9","2","1") = "8"
    & skf18("9","5","3","5","9","3","1") = "8"
    & skf18("9","5","3","5","9","4","1") = "8"
    & skf18("9","5","3","5","9","5","1") = "8"
    & skf18("9","5","3","5","9","6","1") = "8"
    & skf18("9","5","3","5","9","7","1") = "8"
    & skf18("9","5","3","5","9","8","1") = "8"
    & skf18("9","5","3","5","9","9","1") = "8"
    & skf18("9","5","3","5","9","10","1") = "9"
    & skf18("9","5","3","5","10","1","1") = "9"
    & skf18("9","5","3","5","10","2","1") = "9"
    & skf18("9","5","3","5","10","3","1") = "9"
    & skf18("9","5","3","5","10","4","1") = "9"
    & skf18("9","5","3","5","10","5","1") = "9"
    & skf18("9","5","3","5","10","6","1") = "9"
    & skf18("9","5","3","5","10","7","1") = "9"
    & skf18("9","5","3","5","10","8","1") = "9"
    & skf18("9","5","3","5","10","9","1") = "9"
    & skf18("9","5","3","5","10","10","1") = "9"
    & skf18("9","5","3","6","1","1","1") = "8"
    & skf18("9","5","3","6","1","2","1") = "8"
    & skf18("9","5","3","6","1","3","1") = "8"
    & skf18("9","5","3","6","1","4","1") = "8"
    & skf18("9","5","3","6","1","5","1") = "8"
    & skf18("9","5","3","6","1","6","1") = "8"
    & skf18("9","5","3","6","1","7","1") = "8"
    & skf18("9","5","3","6","1","8","1") = "8"
    & skf18("9","5","3","6","1","9","1") = "8"
    & skf18("9","5","3","6","1","10","1") = "9"
    & skf18("9","5","3","6","2","1","1") = "8"
    & skf18("9","5","3","6","2","2","1") = "8"
    & skf18("9","5","3","6","2","3","1") = "8"
    & skf18("9","5","3","6","2","4","1") = "8"
    & skf18("9","5","3","6","2","5","1") = "8"
    & skf18("9","5","3","6","2","6","1") = "8"
    & skf18("9","5","3","6","2","7","1") = "8"
    & skf18("9","5","3","6","2","8","1") = "8"
    & skf18("9","5","3","6","2","9","1") = "8"
    & skf18("9","5","3","6","2","10","1") = "9"
    & skf18("9","5","3","6","3","1","1") = "8"
    & skf18("9","5","3","6","3","2","1") = "8"
    & skf18("9","5","3","6","3","3","1") = "8"
    & skf18("9","5","3","6","3","4","1") = "8"
    & skf18("9","5","3","6","3","5","1") = "8"
    & skf18("9","5","3","6","3","6","1") = "8"
    & skf18("9","5","3","6","3","7","1") = "8"
    & skf18("9","5","3","6","3","8","1") = "8"
    & skf18("9","5","3","6","3","9","1") = "8"
    & skf18("9","5","3","6","3","10","1") = "9"
    & skf18("9","5","3","6","4","1","1") = "8"
    & skf18("9","5","3","6","4","2","1") = "8"
    & skf18("9","5","3","6","4","3","1") = "8"
    & skf18("9","5","3","6","4","4","1") = "8"
    & skf18("9","5","3","6","4","5","1") = "8"
    & skf18("9","5","3","6","4","6","1") = "8"
    & skf18("9","5","3","6","4","7","1") = "8"
    & skf18("9","5","3","6","4","8","1") = "8"
    & skf18("9","5","3","6","4","9","1") = "8"
    & skf18("9","5","3","6","4","10","1") = "9"
    & skf18("9","5","3","6","5","1","1") = "8"
    & skf18("9","5","3","6","5","2","1") = "8"
    & skf18("9","5","3","6","5","3","1") = "8"
    & skf18("9","5","3","6","5","4","1") = "8"
    & skf18("9","5","3","6","5","5","1") = "8"
    & skf18("9","5","3","6","5","6","1") = "8"
    & skf18("9","5","3","6","5","7","1") = "8"
    & skf18("9","5","3","6","5","8","1") = "8"
    & skf18("9","5","3","6","5","9","1") = "8"
    & skf18("9","5","3","6","5","10","1") = "9"
    & skf18("9","5","3","6","6","1","1") = "8"
    & skf18("9","5","3","6","6","2","1") = "8"
    & skf18("9","5","3","6","6","3","1") = "8"
    & skf18("9","5","3","6","6","4","1") = "8"
    & skf18("9","5","3","6","6","5","1") = "8"
    & skf18("9","5","3","6","6","6","1") = "8"
    & skf18("9","5","3","6","6","7","1") = "8"
    & skf18("9","5","3","6","6","8","1") = "8"
    & skf18("9","5","3","6","6","9","1") = "8"
    & skf18("9","5","3","6","6","10","1") = "9"
    & skf18("9","5","3","6","7","1","1") = "8"
    & skf18("9","5","3","6","7","2","1") = "8"
    & skf18("9","5","3","6","7","3","1") = "8"
    & skf18("9","5","3","6","7","4","1") = "8"
    & skf18("9","5","3","6","7","5","1") = "8"
    & skf18("9","5","3","6","7","6","1") = "8"
    & skf18("9","5","3","6","7","7","1") = "8"
    & skf18("9","5","3","6","7","8","1") = "8"
    & skf18("9","5","3","6","7","9","1") = "8"
    & skf18("9","5","3","6","7","10","1") = "9"
    & skf18("9","5","3","6","8","1","1") = "8"
    & skf18("9","5","3","6","8","2","1") = "8"
    & skf18("9","5","3","6","8","3","1") = "8"
    & skf18("9","5","3","6","8","4","1") = "8"
    & skf18("9","5","3","6","8","5","1") = "8"
    & skf18("9","5","3","6","8","6","1") = "8"
    & skf18("9","5","3","6","8","7","1") = "8"
    & skf18("9","5","3","6","8","8","1") = "8"
    & skf18("9","5","3","6","8","9","1") = "8"
    & skf18("9","5","3","6","8","10","1") = "9"
    & skf18("9","5","3","6","9","1","1") = "8"
    & skf18("9","5","3","6","9","2","1") = "8"
    & skf18("9","5","3","6","9","3","1") = "8"
    & skf18("9","5","3","6","9","4","1") = "8"
    & skf18("9","5","3","6","9","5","1") = "8"
    & skf18("9","5","3","6","9","6","1") = "8"
    & skf18("9","5","3","6","9","7","1") = "8"
    & skf18("9","5","3","6","9","8","1") = "8"
    & skf18("9","5","3","6","9","9","1") = "8"
    & skf18("9","5","3","6","9","10","1") = "9"
    & skf18("9","5","3","6","10","1","1") = "9"
    & skf18("9","5","3","6","10","2","1") = "9"
    & skf18("9","5","3","6","10","3","1") = "9"
    & skf18("9","5","3","6","10","4","1") = "9"
    & skf18("9","5","3","6","10","5","1") = "9"
    & skf18("9","5","3","6","10","6","1") = "9"
    & skf18("9","5","3","6","10","7","1") = "9"
    & skf18("9","5","3","6","10","8","1") = "9"
    & skf18("9","5","3","6","10","9","1") = "9"
    & skf18("9","5","3","6","10","10","1") = "9"
    & skf18("9","5","3","7","1","1","1") = "8"
    & skf18("9","5","3","7","1","2","1") = "8"
    & skf18("9","5","3","7","1","3","1") = "8"
    & skf18("9","5","3","7","1","4","1") = "8"
    & skf18("9","5","3","7","1","5","1") = "8"
    & skf18("9","5","3","7","1","6","1") = "8"
    & skf18("9","5","3","7","1","7","1") = "8"
    & skf18("9","5","3","7","1","8","1") = "8"
    & skf18("9","5","3","7","1","9","1") = "8"
    & skf18("9","5","3","7","1","10","1") = "9"
    & skf18("9","5","3","7","2","1","1") = "8"
    & skf18("9","5","3","7","2","2","1") = "8"
    & skf18("9","5","3","7","2","3","1") = "8"
    & skf18("9","5","3","7","2","4","1") = "8"
    & skf18("9","5","3","7","2","5","1") = "8"
    & skf18("9","5","3","7","2","6","1") = "8"
    & skf18("9","5","3","7","2","7","1") = "8"
    & skf18("9","5","3","7","2","8","1") = "8"
    & skf18("9","5","3","7","2","9","1") = "8"
    & skf18("9","5","3","7","2","10","1") = "9"
    & skf18("9","5","3","7","3","1","1") = "8"
    & skf18("9","5","3","7","3","2","1") = "8"
    & skf18("9","5","3","7","3","3","1") = "8"
    & skf18("9","5","3","7","3","4","1") = "8"
    & skf18("9","5","3","7","3","5","1") = "8"
    & skf18("9","5","3","7","3","6","1") = "8"
    & skf18("9","5","3","7","3","7","1") = "8"
    & skf18("9","5","3","7","3","8","1") = "8"
    & skf18("9","5","3","7","3","9","1") = "8"
    & skf18("9","5","3","7","3","10","1") = "9"
    & skf18("9","5","3","7","4","1","1") = "8"
    & skf18("9","5","3","7","4","2","1") = "8"
    & skf18("9","5","3","7","4","3","1") = "8"
    & skf18("9","5","3","7","4","4","1") = "8"
    & skf18("9","5","3","7","4","5","1") = "8"
    & skf18("9","5","3","7","4","6","1") = "8"
    & skf18("9","5","3","7","4","7","1") = "8"
    & skf18("9","5","3","7","4","8","1") = "8"
    & skf18("9","5","3","7","4","9","1") = "8"
    & skf18("9","5","3","7","4","10","1") = "9"
    & skf18("9","5","3","7","5","1","1") = "8"
    & skf18("9","5","3","7","5","2","1") = "8"
    & skf18("9","5","3","7","5","3","1") = "8"
    & skf18("9","5","3","7","5","4","1") = "8"
    & skf18("9","5","3","7","5","5","1") = "8"
    & skf18("9","5","3","7","5","6","1") = "8"
    & skf18("9","5","3","7","5","7","1") = "8"
    & skf18("9","5","3","7","5","8","1") = "8"
    & skf18("9","5","3","7","5","9","1") = "8"
    & skf18("9","5","3","7","5","10","1") = "9"
    & skf18("9","5","3","7","6","1","1") = "8"
    & skf18("9","5","3","7","6","2","1") = "8"
    & skf18("9","5","3","7","6","3","1") = "8"
    & skf18("9","5","3","7","6","4","1") = "8"
    & skf18("9","5","3","7","6","5","1") = "8"
    & skf18("9","5","3","7","6","6","1") = "8"
    & skf18("9","5","3","7","6","7","1") = "8"
    & skf18("9","5","3","7","6","8","1") = "8"
    & skf18("9","5","3","7","6","9","1") = "8"
    & skf18("9","5","3","7","6","10","1") = "9"
    & skf18("9","5","3","7","7","1","1") = "8"
    & skf18("9","5","3","7","7","2","1") = "8"
    & skf18("9","5","3","7","7","3","1") = "8"
    & skf18("9","5","3","7","7","4","1") = "8"
    & skf18("9","5","3","7","7","5","1") = "8"
    & skf18("9","5","3","7","7","6","1") = "8"
    & skf18("9","5","3","7","7","7","1") = "8"
    & skf18("9","5","3","7","7","8","1") = "8"
    & skf18("9","5","3","7","7","9","1") = "8"
    & skf18("9","5","3","7","7","10","1") = "9"
    & skf18("9","5","3","7","8","1","1") = "8"
    & skf18("9","5","3","7","8","2","1") = "8"
    & skf18("9","5","3","7","8","3","1") = "8"
    & skf18("9","5","3","7","8","4","1") = "8"
    & skf18("9","5","3","7","8","5","1") = "8"
    & skf18("9","5","3","7","8","6","1") = "8"
    & skf18("9","5","3","7","8","7","1") = "8"
    & skf18("9","5","3","7","8","8","1") = "8"
    & skf18("9","5","3","7","8","9","1") = "8"
    & skf18("9","5","3","7","8","10","1") = "9"
    & skf18("9","5","3","7","9","1","1") = "8"
    & skf18("9","5","3","7","9","2","1") = "8"
    & skf18("9","5","3","7","9","3","1") = "8"
    & skf18("9","5","3","7","9","4","1") = "8"
    & skf18("9","5","3","7","9","5","1") = "8"
    & skf18("9","5","3","7","9","6","1") = "8"
    & skf18("9","5","3","7","9","7","1") = "8"
    & skf18("9","5","3","7","9","8","1") = "8"
    & skf18("9","5","3","7","9","9","1") = "8"
    & skf18("9","5","3","7","9","10","1") = "9"
    & skf18("9","5","3","7","10","1","1") = "9"
    & skf18("9","5","3","7","10","2","1") = "9"
    & skf18("9","5","3","7","10","3","1") = "9"
    & skf18("9","5","3","7","10","4","1") = "9"
    & skf18("9","5","3","7","10","5","1") = "9"
    & skf18("9","5","3","7","10","6","1") = "9"
    & skf18("9","5","3","7","10","7","1") = "9"
    & skf18("9","5","3","7","10","8","1") = "9"
    & skf18("9","5","3","7","10","9","1") = "9"
    & skf18("9","5","3","7","10","10","1") = "9"
    & skf18("9","5","3","8","1","1","1") = "8"
    & skf18("9","5","3","8","1","2","1") = "8"
    & skf18("9","5","3","8","1","3","1") = "8"
    & skf18("9","5","3","8","1","4","1") = "8"
    & skf18("9","5","3","8","1","5","1") = "8"
    & skf18("9","5","3","8","1","6","1") = "8"
    & skf18("9","5","3","8","1","7","1") = "8"
    & skf18("9","5","3","8","1","8","1") = "8"
    & skf18("9","5","3","8","1","9","1") = "8"
    & skf18("9","5","3","8","1","10","1") = "9"
    & skf18("9","5","3","8","2","1","1") = "8"
    & skf18("9","5","3","8","2","2","1") = "8"
    & skf18("9","5","3","8","2","3","1") = "8"
    & skf18("9","5","3","8","2","4","1") = "8"
    & skf18("9","5","3","8","2","5","1") = "8"
    & skf18("9","5","3","8","2","6","1") = "8"
    & skf18("9","5","3","8","2","7","1") = "8"
    & skf18("9","5","3","8","2","8","1") = "8"
    & skf18("9","5","3","8","2","9","1") = "8"
    & skf18("9","5","3","8","2","10","1") = "9"
    & skf18("9","5","3","8","3","1","1") = "8"
    & skf18("9","5","3","8","3","2","1") = "8"
    & skf18("9","5","3","8","3","3","1") = "8"
    & skf18("9","5","3","8","3","4","1") = "8"
    & skf18("9","5","3","8","3","5","1") = "8"
    & skf18("9","5","3","8","3","6","1") = "8"
    & skf18("9","5","3","8","3","7","1") = "8"
    & skf18("9","5","3","8","3","8","1") = "8"
    & skf18("9","5","3","8","3","9","1") = "8"
    & skf18("9","5","3","8","3","10","1") = "9"
    & skf18("9","5","3","8","4","1","1") = "8"
    & skf18("9","5","3","8","4","2","1") = "8"
    & skf18("9","5","3","8","4","3","1") = "8"
    & skf18("9","5","3","8","4","4","1") = "8"
    & skf18("9","5","3","8","4","5","1") = "8"
    & skf18("9","5","3","8","4","6","1") = "8"
    & skf18("9","5","3","8","4","7","1") = "8"
    & skf18("9","5","3","8","4","8","1") = "8"
    & skf18("9","5","3","8","4","9","1") = "8"
    & skf18("9","5","3","8","4","10","1") = "9"
    & skf18("9","5","3","8","5","1","1") = "8"
    & skf18("9","5","3","8","5","2","1") = "8"
    & skf18("9","5","3","8","5","3","1") = "8"
    & skf18("9","5","3","8","5","4","1") = "8"
    & skf18("9","5","3","8","5","5","1") = "8"
    & skf18("9","5","3","8","5","6","1") = "8"
    & skf18("9","5","3","8","5","7","1") = "8"
    & skf18("9","5","3","8","5","8","1") = "8"
    & skf18("9","5","3","8","5","9","1") = "8"
    & skf18("9","5","3","8","5","10","1") = "9"
    & skf18("9","5","3","8","6","1","1") = "8"
    & skf18("9","5","3","8","6","2","1") = "8"
    & skf18("9","5","3","8","6","3","1") = "8"
    & skf18("9","5","3","8","6","4","1") = "8"
    & skf18("9","5","3","8","6","5","1") = "8"
    & skf18("9","5","3","8","6","6","1") = "8"
    & skf18("9","5","3","8","6","7","1") = "8"
    & skf18("9","5","3","8","6","8","1") = "8"
    & skf18("9","5","3","8","6","9","1") = "8"
    & skf18("9","5","3","8","6","10","1") = "9"
    & skf18("9","5","3","8","7","1","1") = "8"
    & skf18("9","5","3","8","7","2","1") = "8"
    & skf18("9","5","3","8","7","3","1") = "8"
    & skf18("9","5","3","8","7","4","1") = "8"
    & skf18("9","5","3","8","7","5","1") = "8"
    & skf18("9","5","3","8","7","6","1") = "8"
    & skf18("9","5","3","8","7","7","1") = "8"
    & skf18("9","5","3","8","7","8","1") = "8"
    & skf18("9","5","3","8","7","9","1") = "8"
    & skf18("9","5","3","8","7","10","1") = "9"
    & skf18("9","5","3","8","8","1","1") = "8"
    & skf18("9","5","3","8","8","2","1") = "8"
    & skf18("9","5","3","8","8","3","1") = "8"
    & skf18("9","5","3","8","8","4","1") = "8"
    & skf18("9","5","3","8","8","5","1") = "8"
    & skf18("9","5","3","8","8","6","1") = "8"
    & skf18("9","5","3","8","8","7","1") = "8"
    & skf18("9","5","3","8","8","8","1") = "8"
    & skf18("9","5","3","8","8","9","1") = "8"
    & skf18("9","5","3","8","8","10","1") = "9"
    & skf18("9","5","3","8","9","1","1") = "8"
    & skf18("9","5","3","8","9","2","1") = "8"
    & skf18("9","5","3","8","9","3","1") = "8"
    & skf18("9","5","3","8","9","4","1") = "8"
    & skf18("9","5","3","8","9","5","1") = "8"
    & skf18("9","5","3","8","9","6","1") = "8"
    & skf18("9","5","3","8","9","7","1") = "8"
    & skf18("9","5","3","8","9","8","1") = "8"
    & skf18("9","5","3","8","9","9","1") = "8"
    & skf18("9","5","3","8","9","10","1") = "9"
    & skf18("9","5","3","8","10","1","1") = "9"
    & skf18("9","5","3","8","10","2","1") = "9"
    & skf18("9","5","3","8","10","3","1") = "9"
    & skf18("9","5","3","8","10","4","1") = "9"
    & skf18("9","5","3","8","10","5","1") = "9"
    & skf18("9","5","3","8","10","6","1") = "9"
    & skf18("9","5","3","8","10","7","1") = "9"
    & skf18("9","5","3","8","10","8","1") = "9"
    & skf18("9","5","3","8","10","9","1") = "9"
    & skf18("9","5","3","8","10","10","1") = "9"
    & skf18("9","5","3","9","1","1","1") = "8"
    & skf18("9","5","3","9","1","2","1") = "8"
    & skf18("9","5","3","9","1","3","1") = "8"
    & skf18("9","5","3","9","1","4","1") = "8"
    & skf18("9","5","3","9","1","5","1") = "8"
    & skf18("9","5","3","9","1","6","1") = "8"
    & skf18("9","5","3","9","1","7","1") = "8"
    & skf18("9","5","3","9","1","8","1") = "8"
    & skf18("9","5","3","9","1","9","1") = "8"
    & skf18("9","5","3","9","1","10","1") = "9"
    & skf18("9","5","3","9","2","1","1") = "8"
    & skf18("9","5","3","9","2","2","1") = "8"
    & skf18("9","5","3","9","2","3","1") = "8"
    & skf18("9","5","3","9","2","4","1") = "8"
    & skf18("9","5","3","9","2","5","1") = "8"
    & skf18("9","5","3","9","2","6","1") = "8"
    & skf18("9","5","3","9","2","7","1") = "8"
    & skf18("9","5","3","9","2","8","1") = "8"
    & skf18("9","5","3","9","2","9","1") = "8"
    & skf18("9","5","3","9","2","10","1") = "9"
    & skf18("9","5","3","9","3","1","1") = "8"
    & skf18("9","5","3","9","3","2","1") = "8"
    & skf18("9","5","3","9","3","3","1") = "8"
    & skf18("9","5","3","9","3","4","1") = "8"
    & skf18("9","5","3","9","3","5","1") = "8"
    & skf18("9","5","3","9","3","6","1") = "8"
    & skf18("9","5","3","9","3","7","1") = "8"
    & skf18("9","5","3","9","3","8","1") = "8"
    & skf18("9","5","3","9","3","9","1") = "8"
    & skf18("9","5","3","9","3","10","1") = "9"
    & skf18("9","5","3","9","4","1","1") = "8"
    & skf18("9","5","3","9","4","2","1") = "8"
    & skf18("9","5","3","9","4","3","1") = "8"
    & skf18("9","5","3","9","4","4","1") = "8"
    & skf18("9","5","3","9","4","5","1") = "8"
    & skf18("9","5","3","9","4","6","1") = "8"
    & skf18("9","5","3","9","4","7","1") = "8"
    & skf18("9","5","3","9","4","8","1") = "8"
    & skf18("9","5","3","9","4","9","1") = "8"
    & skf18("9","5","3","9","4","10","1") = "9"
    & skf18("9","5","3","9","5","1","1") = "8"
    & skf18("9","5","3","9","5","2","1") = "8"
    & skf18("9","5","3","9","5","3","1") = "8"
    & skf18("9","5","3","9","5","4","1") = "8"
    & skf18("9","5","3","9","5","5","1") = "8"
    & skf18("9","5","3","9","5","6","1") = "8"
    & skf18("9","5","3","9","5","7","1") = "8"
    & skf18("9","5","3","9","5","8","1") = "8"
    & skf18("9","5","3","9","5","9","1") = "8"
    & skf18("9","5","3","9","5","10","1") = "9"
    & skf18("9","5","3","9","6","1","1") = "8"
    & skf18("9","5","3","9","6","2","1") = "8"
    & skf18("9","5","3","9","6","3","1") = "8"
    & skf18("9","5","3","9","6","4","1") = "8"
    & skf18("9","5","3","9","6","5","1") = "8"
    & skf18("9","5","3","9","6","6","1") = "8"
    & skf18("9","5","3","9","6","7","1") = "8"
    & skf18("9","5","3","9","6","8","1") = "8"
    & skf18("9","5","3","9","6","9","1") = "8"
    & skf18("9","5","3","9","6","10","1") = "9"
    & skf18("9","5","3","9","7","1","1") = "8"
    & skf18("9","5","3","9","7","2","1") = "8"
    & skf18("9","5","3","9","7","3","1") = "8"
    & skf18("9","5","3","9","7","4","1") = "8"
    & skf18("9","5","3","9","7","5","1") = "8"
    & skf18("9","5","3","9","7","6","1") = "8"
    & skf18("9","5","3","9","7","7","1") = "8"
    & skf18("9","5","3","9","7","8","1") = "8"
    & skf18("9","5","3","9","7","9","1") = "8"
    & skf18("9","5","3","9","7","10","1") = "9"
    & skf18("9","5","3","9","8","1","1") = "8"
    & skf18("9","5","3","9","8","2","1") = "8"
    & skf18("9","5","3","9","8","3","1") = "8"
    & skf18("9","5","3","9","8","4","1") = "8"
    & skf18("9","5","3","9","8","5","1") = "8"
    & skf18("9","5","3","9","8","6","1") = "8"
    & skf18("9","5","3","9","8","7","1") = "8"
    & skf18("9","5","3","9","8","8","1") = "8"
    & skf18("9","5","3","9","8","9","1") = "8"
    & skf18("9","5","3","9","8","10","1") = "9"
    & skf18("9","5","3","9","9","1","1") = "8"
    & skf18("9","5","3","9","9","2","1") = "8"
    & skf18("9","5","3","9","9","3","1") = "8"
    & skf18("9","5","3","9","9","4","1") = "8"
    & skf18("9","5","3","9","9","5","1") = "8"
    & skf18("9","5","3","9","9","6","1") = "8"
    & skf18("9","5","3","9","9","7","1") = "8"
    & skf18("9","5","3","9","9","8","1") = "8"
    & skf18("9","5","3","9","9","9","1") = "8"
    & skf18("9","5","3","9","9","10","1") = "9"
    & skf18("9","5","3","9","10","1","1") = "9"
    & skf18("9","5","3","9","10","2","1") = "9"
    & skf18("9","5","3","9","10","3","1") = "9"
    & skf18("9","5","3","9","10","4","1") = "9"
    & skf18("9","5","3","9","10","5","1") = "9"
    & skf18("9","5","3","9","10","6","1") = "9"
    & skf18("9","5","3","9","10","7","1") = "9"
    & skf18("9","5","3","9","10","8","1") = "9"
    & skf18("9","5","3","9","10","9","1") = "9"
    & skf18("9","5","3","9","10","10","1") = "9"
    & skf18("9","5","3","10","1","1","1") = "9"
    & skf18("9","5","3","10","1","2","1") = "9"
    & skf18("9","5","3","10","1","3","1") = "9"
    & skf18("9","5","3","10","1","4","1") = "9"
    & skf18("9","5","3","10","1","5","1") = "9"
    & skf18("9","5","3","10","1","6","1") = "9"
    & skf18("9","5","3","10","1","7","1") = "9"
    & skf18("9","5","3","10","1","8","1") = "9"
    & skf18("9","5","3","10","1","9","1") = "9"
    & skf18("9","5","3","10","1","10","1") = "9"
    & skf18("9","5","3","10","2","1","1") = "9"
    & skf18("9","5","3","10","2","2","1") = "9"
    & skf18("9","5","3","10","2","3","1") = "9"
    & skf18("9","5","3","10","2","4","1") = "9"
    & skf18("9","5","3","10","2","5","1") = "9"
    & skf18("9","5","3","10","2","6","1") = "9"
    & skf18("9","5","3","10","2","7","1") = "9"
    & skf18("9","5","3","10","2","8","1") = "9"
    & skf18("9","5","3","10","2","9","1") = "9"
    & skf18("9","5","3","10","2","10","1") = "9"
    & skf18("9","5","3","10","3","1","1") = "9"
    & skf18("9","5","3","10","3","2","1") = "9"
    & skf18("9","5","3","10","3","3","1") = "9"
    & skf18("9","5","3","10","3","4","1") = "9"
    & skf18("9","5","3","10","3","5","1") = "9"
    & skf18("9","5","3","10","3","6","1") = "9"
    & skf18("9","5","3","10","3","7","1") = "9"
    & skf18("9","5","3","10","3","8","1") = "9"
    & skf18("9","5","3","10","3","9","1") = "9"
    & skf18("9","5","3","10","3","10","1") = "9"
    & skf18("9","5","3","10","4","1","1") = "9"
    & skf18("9","5","3","10","4","2","1") = "9"
    & skf18("9","5","3","10","4","3","1") = "9"
    & skf18("9","5","3","10","4","4","1") = "9"
    & skf18("9","5","3","10","4","5","1") = "9"
    & skf18("9","5","3","10","4","6","1") = "9"
    & skf18("9","5","3","10","4","7","1") = "9"
    & skf18("9","5","3","10","4","8","1") = "9"
    & skf18("9","5","3","10","4","9","1") = "9"
    & skf18("9","5","3","10","4","10","1") = "9"
    & skf18("9","5","3","10","5","1","1") = "9"
    & skf18("9","5","3","10","5","2","1") = "9"
    & skf18("9","5","3","10","5","3","1") = "9"
    & skf18("9","5","3","10","5","4","1") = "9"
    & skf18("9","5","3","10","5","5","1") = "9"
    & skf18("9","5","3","10","5","6","1") = "9"
    & skf18("9","5","3","10","5","7","1") = "9"
    & skf18("9","5","3","10","5","8","1") = "9"
    & skf18("9","5","3","10","5","9","1") = "9"
    & skf18("9","5","3","10","5","10","1") = "9"
    & skf18("9","5","3","10","6","1","1") = "9"
    & skf18("9","5","3","10","6","2","1") = "9"
    & skf18("9","5","3","10","6","3","1") = "9"
    & skf18("9","5","3","10","6","4","1") = "9"
    & skf18("9","5","3","10","6","5","1") = "9"
    & skf18("9","5","3","10","6","6","1") = "9"
    & skf18("9","5","3","10","6","7","1") = "9"
    & skf18("9","5","3","10","6","8","1") = "9"
    & skf18("9","5","3","10","6","9","1") = "9"
    & skf18("9","5","3","10","6","10","1") = "9"
    & skf18("9","5","3","10","7","1","1") = "9"
    & skf18("9","5","3","10","7","2","1") = "9"
    & skf18("9","5","3","10","7","3","1") = "9"
    & skf18("9","5","3","10","7","4","1") = "9"
    & skf18("9","5","3","10","7","5","1") = "9"
    & skf18("9","5","3","10","7","6","1") = "9"
    & skf18("9","5","3","10","7","7","1") = "9"
    & skf18("9","5","3","10","7","8","1") = "9"
    & skf18("9","5","3","10","7","9","1") = "9"
    & skf18("9","5","3","10","7","10","1") = "9"
    & skf18("9","5","3","10","8","1","1") = "9"
    & skf18("9","5","3","10","8","2","1") = "9"
    & skf18("9","5","3","10","8","3","1") = "9"
    & skf18("9","5","3","10","8","4","1") = "9"
    & skf18("9","5","3","10","8","5","1") = "9"
    & skf18("9","5","3","10","8","6","1") = "9"
    & skf18("9","5","3","10","8","7","1") = "9"
    & skf18("9","5","3","10","8","8","1") = "9"
    & skf18("9","5","3","10","8","9","1") = "9"
    & skf18("9","5","3","10","8","10","1") = "9"
    & skf18("9","5","3","10","9","1","1") = "9"
    & skf18("9","5","3","10","9","2","1") = "9"
    & skf18("9","5","3","10","9","3","1") = "9"
    & skf18("9","5","3","10","9","4","1") = "9"
    & skf18("9","5","3","10","9","5","1") = "9"
    & skf18("9","5","3","10","9","6","1") = "9"
    & skf18("9","5","3","10","9","7","1") = "9"
    & skf18("9","5","3","10","9","8","1") = "9"
    & skf18("9","5","3","10","9","9","1") = "9"
    & skf18("9","5","3","10","9","10","1") = "9"
    & skf18("9","5","3","10","10","1","1") = "9"
    & skf18("9","5","3","10","10","2","1") = "9"
    & skf18("9","5","3","10","10","3","1") = "9"
    & skf18("9","5","3","10","10","4","1") = "9"
    & skf18("9","5","3","10","10","5","1") = "9"
    & skf18("9","5","3","10","10","6","1") = "9"
    & skf18("9","5","3","10","10","7","1") = "9"
    & skf18("9","5","3","10","10","8","1") = "9"
    & skf18("9","5","3","10","10","9","1") = "9"
    & skf18("9","5","3","10","10","10","1") = "9"
    & skf18("9","5","4","1","1","1","1") = "8"
    & skf18("9","5","4","1","1","2","1") = "8"
    & skf18("9","5","4","1","1","3","1") = "8"
    & skf18("9","5","4","1","1","4","1") = "8"
    & skf18("9","5","4","1","1","5","1") = "8"
    & skf18("9","5","4","1","1","6","1") = "8"
    & skf18("9","5","4","1","1","7","1") = "8"
    & skf18("9","5","4","1","1","8","1") = "8"
    & skf18("9","5","4","1","1","9","1") = "8"
    & skf18("9","5","4","1","1","10","1") = "9"
    & skf18("9","5","4","1","2","1","1") = "8"
    & skf18("9","5","4","1","2","2","1") = "8"
    & skf18("9","5","4","1","2","3","1") = "8"
    & skf18("9","5","4","1","2","4","1") = "8"
    & skf18("9","5","4","1","2","5","1") = "8"
    & skf18("9","5","4","1","2","6","1") = "8"
    & skf18("9","5","4","1","2","7","1") = "8"
    & skf18("9","5","4","1","2","8","1") = "8"
    & skf18("9","5","4","1","2","9","1") = "8"
    & skf18("9","5","4","1","2","10","1") = "9"
    & skf18("9","5","4","1","3","1","1") = "8"
    & skf18("9","5","4","1","3","2","1") = "8"
    & skf18("9","5","4","1","3","3","1") = "8"
    & skf18("9","5","4","1","3","4","1") = "8"
    & skf18("9","5","4","1","3","5","1") = "8"
    & skf18("9","5","4","1","3","6","1") = "8"
    & skf18("9","5","4","1","3","7","1") = "8"
    & skf18("9","5","4","1","3","8","1") = "8"
    & skf18("9","5","4","1","3","9","1") = "8"
    & skf18("9","5","4","1","3","10","1") = "9"
    & skf18("9","5","4","1","4","1","1") = "8"
    & skf18("9","5","4","1","4","2","1") = "8"
    & skf18("9","5","4","1","4","3","1") = "8"
    & skf18("9","5","4","1","4","4","1") = "8"
    & skf18("9","5","4","1","4","5","1") = "8"
    & skf18("9","5","4","1","4","6","1") = "8"
    & skf18("9","5","4","1","4","7","1") = "8"
    & skf18("9","5","4","1","4","8","1") = "8"
    & skf18("9","5","4","1","4","9","1") = "8"
    & skf18("9","5","4","1","4","10","1") = "9"
    & skf18("9","5","4","1","5","1","1") = "8"
    & skf18("9","5","4","1","5","2","1") = "8"
    & skf18("9","5","4","1","5","3","1") = "8"
    & skf18("9","5","4","1","5","4","1") = "8"
    & skf18("9","5","4","1","5","5","1") = "8"
    & skf18("9","5","4","1","5","6","1") = "8"
    & skf18("9","5","4","1","5","7","1") = "8"
    & skf18("9","5","4","1","5","8","1") = "8"
    & skf18("9","5","4","1","5","9","1") = "8"
    & skf18("9","5","4","1","5","10","1") = "9"
    & skf18("9","5","4","1","6","1","1") = "8"
    & skf18("9","5","4","1","6","2","1") = "8"
    & skf18("9","5","4","1","6","3","1") = "8"
    & skf18("9","5","4","1","6","4","1") = "8"
    & skf18("9","5","4","1","6","5","1") = "8"
    & skf18("9","5","4","1","6","6","1") = "8"
    & skf18("9","5","4","1","6","7","1") = "8"
    & skf18("9","5","4","1","6","8","1") = "8"
    & skf18("9","5","4","1","6","9","1") = "8"
    & skf18("9","5","4","1","6","10","1") = "9"
    & skf18("9","5","4","1","7","1","1") = "8"
    & skf18("9","5","4","1","7","2","1") = "8"
    & skf18("9","5","4","1","7","3","1") = "8"
    & skf18("9","5","4","1","7","4","1") = "8"
    & skf18("9","5","4","1","7","5","1") = "8"
    & skf18("9","5","4","1","7","6","1") = "8"
    & skf18("9","5","4","1","7","7","1") = "8"
    & skf18("9","5","4","1","7","8","1") = "8"
    & skf18("9","5","4","1","7","9","1") = "8"
    & skf18("9","5","4","1","7","10","1") = "9"
    & skf18("9","5","4","1","8","1","1") = "8"
    & skf18("9","5","4","1","8","2","1") = "8"
    & skf18("9","5","4","1","8","3","1") = "8"
    & skf18("9","5","4","1","8","4","1") = "8"
    & skf18("9","5","4","1","8","5","1") = "8"
    & skf18("9","5","4","1","8","6","1") = "8"
    & skf18("9","5","4","1","8","7","1") = "8"
    & skf18("9","5","4","1","8","8","1") = "8"
    & skf18("9","5","4","1","8","9","1") = "8"
    & skf18("9","5","4","1","8","10","1") = "9"
    & skf18("9","5","4","1","9","1","1") = "8"
    & skf18("9","5","4","1","9","2","1") = "8"
    & skf18("9","5","4","1","9","3","1") = "8"
    & skf18("9","5","4","1","9","4","1") = "8"
    & skf18("9","5","4","1","9","5","1") = "8"
    & skf18("9","5","4","1","9","6","1") = "8"
    & skf18("9","5","4","1","9","7","1") = "8"
    & skf18("9","5","4","1","9","8","1") = "8"
    & skf18("9","5","4","1","9","9","1") = "8"
    & skf18("9","5","4","1","9","10","1") = "9"
    & skf18("9","5","4","1","10","1","1") = "9"
    & skf18("9","5","4","1","10","2","1") = "9"
    & skf18("9","5","4","1","10","3","1") = "9"
    & skf18("9","5","4","1","10","4","1") = "9"
    & skf18("9","5","4","1","10","5","1") = "9"
    & skf18("9","5","4","1","10","6","1") = "9"
    & skf18("9","5","4","1","10","7","1") = "9"
    & skf18("9","5","4","1","10","8","1") = "9"
    & skf18("9","5","4","1","10","9","1") = "9"
    & skf18("9","5","4","1","10","10","1") = "9"
    & skf18("9","5","4","2","1","1","1") = "8"
    & skf18("9","5","4","2","1","2","1") = "8"
    & skf18("9","5","4","2","1","3","1") = "8"
    & skf18("9","5","4","2","1","4","1") = "8"
    & skf18("9","5","4","2","1","5","1") = "8"
    & skf18("9","5","4","2","1","6","1") = "8"
    & skf18("9","5","4","2","1","7","1") = "8"
    & skf18("9","5","4","2","1","8","1") = "8"
    & skf18("9","5","4","2","1","9","1") = "8"
    & skf18("9","5","4","2","1","10","1") = "9"
    & skf18("9","5","4","2","2","1","1") = "8"
    & skf18("9","5","4","2","2","2","1") = "8"
    & skf18("9","5","4","2","2","3","1") = "8"
    & skf18("9","5","4","2","2","4","1") = "8"
    & skf18("9","5","4","2","2","5","1") = "8"
    & skf18("9","5","4","2","2","6","1") = "8"
    & skf18("9","5","4","2","2","7","1") = "8"
    & skf18("9","5","4","2","2","8","1") = "8"
    & skf18("9","5","4","2","2","9","1") = "8"
    & skf18("9","5","4","2","2","10","1") = "9"
    & skf18("9","5","4","2","3","1","1") = "8"
    & skf18("9","5","4","2","3","2","1") = "8"
    & skf18("9","5","4","2","3","3","1") = "8"
    & skf18("9","5","4","2","3","4","1") = "8"
    & skf18("9","5","4","2","3","5","1") = "8"
    & skf18("9","5","4","2","3","6","1") = "8"
    & skf18("9","5","4","2","3","7","1") = "8"
    & skf18("9","5","4","2","3","8","1") = "8"
    & skf18("9","5","4","2","3","9","1") = "8"
    & skf18("9","5","4","2","3","10","1") = "9"
    & skf18("9","5","4","2","4","1","1") = "8"
    & skf18("9","5","4","2","4","2","1") = "8"
    & skf18("9","5","4","2","4","3","1") = "8"
    & skf18("9","5","4","2","4","4","1") = "8"
    & skf18("9","5","4","2","4","5","1") = "8"
    & skf18("9","5","4","2","4","6","1") = "8"
    & skf18("9","5","4","2","4","7","1") = "8"
    & skf18("9","5","4","2","4","8","1") = "8"
    & skf18("9","5","4","2","4","9","1") = "8"
    & skf18("9","5","4","2","4","10","1") = "9"
    & skf18("9","5","4","2","5","1","1") = "8"
    & skf18("9","5","4","2","5","2","1") = "8"
    & skf18("9","5","4","2","5","3","1") = "8"
    & skf18("9","5","4","2","5","4","1") = "8"
    & skf18("9","5","4","2","5","5","1") = "8"
    & skf18("9","5","4","2","5","6","1") = "8"
    & skf18("9","5","4","2","5","7","1") = "8"
    & skf18("9","5","4","2","5","8","1") = "8"
    & skf18("9","5","4","2","5","9","1") = "8"
    & skf18("9","5","4","2","5","10","1") = "9"
    & skf18("9","5","4","2","6","1","1") = "8"
    & skf18("9","5","4","2","6","2","1") = "8"
    & skf18("9","5","4","2","6","3","1") = "8"
    & skf18("9","5","4","2","6","4","1") = "8"
    & skf18("9","5","4","2","6","5","1") = "8"
    & skf18("9","5","4","2","6","6","1") = "8"
    & skf18("9","5","4","2","6","7","1") = "8"
    & skf18("9","5","4","2","6","8","1") = "8"
    & skf18("9","5","4","2","6","9","1") = "8"
    & skf18("9","5","4","2","6","10","1") = "9"
    & skf18("9","5","4","2","7","1","1") = "8"
    & skf18("9","5","4","2","7","2","1") = "8"
    & skf18("9","5","4","2","7","3","1") = "8"
    & skf18("9","5","4","2","7","4","1") = "8"
    & skf18("9","5","4","2","7","5","1") = "8"
    & skf18("9","5","4","2","7","6","1") = "8"
    & skf18("9","5","4","2","7","7","1") = "8"
    & skf18("9","5","4","2","7","8","1") = "8"
    & skf18("9","5","4","2","7","9","1") = "8"
    & skf18("9","5","4","2","7","10","1") = "9"
    & skf18("9","5","4","2","8","1","1") = "8"
    & skf18("9","5","4","2","8","2","1") = "8"
    & skf18("9","5","4","2","8","3","1") = "8"
    & skf18("9","5","4","2","8","4","1") = "8"
    & skf18("9","5","4","2","8","5","1") = "8"
    & skf18("9","5","4","2","8","6","1") = "8"
    & skf18("9","5","4","2","8","7","1") = "8"
    & skf18("9","5","4","2","8","8","1") = "8"
    & skf18("9","5","4","2","8","9","1") = "8"
    & skf18("9","5","4","2","8","10","1") = "9"
    & skf18("9","5","4","2","9","1","1") = "8"
    & skf18("9","5","4","2","9","2","1") = "8"
    & skf18("9","5","4","2","9","3","1") = "8"
    & skf18("9","5","4","2","9","4","1") = "8"
    & skf18("9","5","4","2","9","5","1") = "8"
    & skf18("9","5","4","2","9","6","1") = "8"
    & skf18("9","5","4","2","9","7","1") = "8"
    & skf18("9","5","4","2","9","8","1") = "8"
    & skf18("9","5","4","2","9","9","1") = "8"
    & skf18("9","5","4","2","9","10","1") = "9"
    & skf18("9","5","4","2","10","1","1") = "9"
    & skf18("9","5","4","2","10","2","1") = "9"
    & skf18("9","5","4","2","10","3","1") = "9"
    & skf18("9","5","4","2","10","4","1") = "9"
    & skf18("9","5","4","2","10","5","1") = "9"
    & skf18("9","5","4","2","10","6","1") = "9"
    & skf18("9","5","4","2","10","7","1") = "9"
    & skf18("9","5","4","2","10","8","1") = "9"
    & skf18("9","5","4","2","10","9","1") = "9"
    & skf18("9","5","4","2","10","10","1") = "9"
    & skf18("9","5","4","3","1","1","1") = "8"
    & skf18("9","5","4","3","1","2","1") = "8"
    & skf18("9","5","4","3","1","3","1") = "8"
    & skf18("9","5","4","3","1","4","1") = "8"
    & skf18("9","5","4","3","1","5","1") = "8"
    & skf18("9","5","4","3","1","6","1") = "8"
    & skf18("9","5","4","3","1","7","1") = "8"
    & skf18("9","5","4","3","1","8","1") = "8"
    & skf18("9","5","4","3","1","9","1") = "8"
    & skf18("9","5","4","3","1","10","1") = "9"
    & skf18("9","5","4","3","2","1","1") = "8"
    & skf18("9","5","4","3","2","2","1") = "8"
    & skf18("9","5","4","3","2","3","1") = "8"
    & skf18("9","5","4","3","2","4","1") = "8"
    & skf18("9","5","4","3","2","5","1") = "8"
    & skf18("9","5","4","3","2","6","1") = "8"
    & skf18("9","5","4","3","2","7","1") = "8"
    & skf18("9","5","4","3","2","8","1") = "8"
    & skf18("9","5","4","3","2","9","1") = "8"
    & skf18("9","5","4","3","2","10","1") = "9"
    & skf18("9","5","4","3","3","1","1") = "8"
    & skf18("9","5","4","3","3","2","1") = "8"
    & skf18("9","5","4","3","3","3","1") = "8"
    & skf18("9","5","4","3","3","4","1") = "8"
    & skf18("9","5","4","3","3","5","1") = "8"
    & skf18("9","5","4","3","3","6","1") = "8"
    & skf18("9","5","4","3","3","7","1") = "8"
    & skf18("9","5","4","3","3","8","1") = "8"
    & skf18("9","5","4","3","3","9","1") = "8"
    & skf18("9","5","4","3","3","10","1") = "9"
    & skf18("9","5","4","3","4","1","1") = "8"
    & skf18("9","5","4","3","4","2","1") = "8"
    & skf18("9","5","4","3","4","3","1") = "8"
    & skf18("9","5","4","3","4","4","1") = "8"
    & skf18("9","5","4","3","4","5","1") = "8"
    & skf18("9","5","4","3","4","6","1") = "8"
    & skf18("9","5","4","3","4","7","1") = "8"
    & skf18("9","5","4","3","4","8","1") = "8"
    & skf18("9","5","4","3","4","9","1") = "8"
    & skf18("9","5","4","3","4","10","1") = "9"
    & skf18("9","5","4","3","5","1","1") = "8"
    & skf18("9","5","4","3","5","2","1") = "8"
    & skf18("9","5","4","3","5","3","1") = "8"
    & skf18("9","5","4","3","5","4","1") = "8"
    & skf18("9","5","4","3","5","5","1") = "8"
    & skf18("9","5","4","3","5","6","1") = "8"
    & skf18("9","5","4","3","5","7","1") = "8"
    & skf18("9","5","4","3","5","8","1") = "8"
    & skf18("9","5","4","3","5","9","1") = "8"
    & skf18("9","5","4","3","5","10","1") = "9"
    & skf18("9","5","4","3","6","1","1") = "8"
    & skf18("9","5","4","3","6","2","1") = "8"
    & skf18("9","5","4","3","6","3","1") = "8"
    & skf18("9","5","4","3","6","4","1") = "8"
    & skf18("9","5","4","3","6","5","1") = "8"
    & skf18("9","5","4","3","6","6","1") = "8"
    & skf18("9","5","4","3","6","7","1") = "8"
    & skf18("9","5","4","3","6","8","1") = "8"
    & skf18("9","5","4","3","6","9","1") = "8"
    & skf18("9","5","4","3","6","10","1") = "9"
    & skf18("9","5","4","3","7","1","1") = "8"
    & skf18("9","5","4","3","7","2","1") = "8"
    & skf18("9","5","4","3","7","3","1") = "8"
    & skf18("9","5","4","3","7","4","1") = "8"
    & skf18("9","5","4","3","7","5","1") = "8"
    & skf18("9","5","4","3","7","6","1") = "8"
    & skf18("9","5","4","3","7","7","1") = "8"
    & skf18("9","5","4","3","7","8","1") = "8"
    & skf18("9","5","4","3","7","9","1") = "8"
    & skf18("9","5","4","3","7","10","1") = "9"
    & skf18("9","5","4","3","8","1","1") = "8"
    & skf18("9","5","4","3","8","2","1") = "8"
    & skf18("9","5","4","3","8","3","1") = "8"
    & skf18("9","5","4","3","8","4","1") = "8"
    & skf18("9","5","4","3","8","5","1") = "8"
    & skf18("9","5","4","3","8","6","1") = "8"
    & skf18("9","5","4","3","8","7","1") = "8"
    & skf18("9","5","4","3","8","8","1") = "8"
    & skf18("9","5","4","3","8","9","1") = "8"
    & skf18("9","5","4","3","8","10","1") = "9"
    & skf18("9","5","4","3","9","1","1") = "8"
    & skf18("9","5","4","3","9","2","1") = "8"
    & skf18("9","5","4","3","9","3","1") = "8"
    & skf18("9","5","4","3","9","4","1") = "8"
    & skf18("9","5","4","3","9","5","1") = "8"
    & skf18("9","5","4","3","9","6","1") = "8"
    & skf18("9","5","4","3","9","7","1") = "8"
    & skf18("9","5","4","3","9","8","1") = "8"
    & skf18("9","5","4","3","9","9","1") = "8"
    & skf18("9","5","4","3","9","10","1") = "9"
    & skf18("9","5","4","3","10","1","1") = "9"
    & skf18("9","5","4","3","10","2","1") = "9"
    & skf18("9","5","4","3","10","3","1") = "9"
    & skf18("9","5","4","3","10","4","1") = "9"
    & skf18("9","5","4","3","10","5","1") = "9"
    & skf18("9","5","4","3","10","6","1") = "9"
    & skf18("9","5","4","3","10","7","1") = "9"
    & skf18("9","5","4","3","10","8","1") = "9"
    & skf18("9","5","4","3","10","9","1") = "9"
    & skf18("9","5","4","3","10","10","1") = "9"
    & skf18("9","5","4","4","1","1","1") = "8"
    & skf18("9","5","4","4","1","2","1") = "8"
    & skf18("9","5","4","4","1","3","1") = "8"
    & skf18("9","5","4","4","1","4","1") = "8"
    & skf18("9","5","4","4","1","5","1") = "8"
    & skf18("9","5","4","4","1","6","1") = "8"
    & skf18("9","5","4","4","1","7","1") = "8"
    & skf18("9","5","4","4","1","8","1") = "8"
    & skf18("9","5","4","4","1","9","1") = "8"
    & skf18("9","5","4","4","1","10","1") = "9"
    & skf18("9","5","4","4","2","1","1") = "8"
    & skf18("9","5","4","4","2","2","1") = "8"
    & skf18("9","5","4","4","2","3","1") = "8"
    & skf18("9","5","4","4","2","4","1") = "8"
    & skf18("9","5","4","4","2","5","1") = "8"
    & skf18("9","5","4","4","2","6","1") = "8"
    & skf18("9","5","4","4","2","7","1") = "8"
    & skf18("9","5","4","4","2","8","1") = "8"
    & skf18("9","5","4","4","2","9","1") = "8"
    & skf18("9","5","4","4","2","10","1") = "9"
    & skf18("9","5","4","4","3","1","1") = "8"
    & skf18("9","5","4","4","3","2","1") = "8"
    & skf18("9","5","4","4","3","3","1") = "8"
    & skf18("9","5","4","4","3","4","1") = "8"
    & skf18("9","5","4","4","3","5","1") = "8"
    & skf18("9","5","4","4","3","6","1") = "8"
    & skf18("9","5","4","4","3","7","1") = "8"
    & skf18("9","5","4","4","3","8","1") = "8"
    & skf18("9","5","4","4","3","9","1") = "8"
    & skf18("9","5","4","4","3","10","1") = "9"
    & skf18("9","5","4","4","4","1","1") = "8"
    & skf18("9","5","4","4","4","2","1") = "8"
    & skf18("9","5","4","4","4","3","1") = "8"
    & skf18("9","5","4","4","4","4","1") = "8"
    & skf18("9","5","4","4","4","5","1") = "8"
    & skf18("9","5","4","4","4","6","1") = "8"
    & skf18("9","5","4","4","4","7","1") = "8"
    & skf18("9","5","4","4","4","8","1") = "8"
    & skf18("9","5","4","4","4","9","1") = "8"
    & skf18("9","5","4","4","4","10","1") = "9"
    & skf18("9","5","4","4","5","1","1") = "8"
    & skf18("9","5","4","4","5","2","1") = "8"
    & skf18("9","5","4","4","5","3","1") = "8"
    & skf18("9","5","4","4","5","4","1") = "8"
    & skf18("9","5","4","4","5","5","1") = "8"
    & skf18("9","5","4","4","5","6","1") = "8"
    & skf18("9","5","4","4","5","7","1") = "8"
    & skf18("9","5","4","4","5","8","1") = "8"
    & skf18("9","5","4","4","5","9","1") = "8"
    & skf18("9","5","4","4","5","10","1") = "9"
    & skf18("9","5","4","4","6","1","1") = "8"
    & skf18("9","5","4","4","6","2","1") = "8"
    & skf18("9","5","4","4","6","3","1") = "8"
    & skf18("9","5","4","4","6","4","1") = "8"
    & skf18("9","5","4","4","6","5","1") = "8"
    & skf18("9","5","4","4","6","6","1") = "8"
    & skf18("9","5","4","4","6","7","1") = "8"
    & skf18("9","5","4","4","6","8","1") = "8"
    & skf18("9","5","4","4","6","9","1") = "8"
    & skf18("9","5","4","4","6","10","1") = "9"
    & skf18("9","5","4","4","7","1","1") = "8"
    & skf18("9","5","4","4","7","2","1") = "8"
    & skf18("9","5","4","4","7","3","1") = "8"
    & skf18("9","5","4","4","7","4","1") = "8"
    & skf18("9","5","4","4","7","5","1") = "8"
    & skf18("9","5","4","4","7","6","1") = "8"
    & skf18("9","5","4","4","7","7","1") = "8"
    & skf18("9","5","4","4","7","8","1") = "8"
    & skf18("9","5","4","4","7","9","1") = "8"
    & skf18("9","5","4","4","7","10","1") = "9"
    & skf18("9","5","4","4","8","1","1") = "8"
    & skf18("9","5","4","4","8","2","1") = "8"
    & skf18("9","5","4","4","8","3","1") = "8"
    & skf18("9","5","4","4","8","4","1") = "8"
    & skf18("9","5","4","4","8","5","1") = "8"
    & skf18("9","5","4","4","8","6","1") = "8"
    & skf18("9","5","4","4","8","7","1") = "8"
    & skf18("9","5","4","4","8","8","1") = "8"
    & skf18("9","5","4","4","8","9","1") = "8"
    & skf18("9","5","4","4","8","10","1") = "9"
    & skf18("9","5","4","4","9","1","1") = "8"
    & skf18("9","5","4","4","9","2","1") = "8"
    & skf18("9","5","4","4","9","3","1") = "8"
    & skf18("9","5","4","4","9","4","1") = "8"
    & skf18("9","5","4","4","9","5","1") = "8"
    & skf18("9","5","4","4","9","6","1") = "8"
    & skf18("9","5","4","4","9","7","1") = "8"
    & skf18("9","5","4","4","9","8","1") = "8"
    & skf18("9","5","4","4","9","9","1") = "8"
    & skf18("9","5","4","4","9","10","1") = "9"
    & skf18("9","5","4","4","10","1","1") = "9"
    & skf18("9","5","4","4","10","2","1") = "9"
    & skf18("9","5","4","4","10","3","1") = "9"
    & skf18("9","5","4","4","10","4","1") = "9"
    & skf18("9","5","4","4","10","5","1") = "9"
    & skf18("9","5","4","4","10","6","1") = "9"
    & skf18("9","5","4","4","10","7","1") = "9"
    & skf18("9","5","4","4","10","8","1") = "9"
    & skf18("9","5","4","4","10","9","1") = "9"
    & skf18("9","5","4","4","10","10","1") = "9"
    & skf18("9","5","4","5","1","1","1") = "8"
    & skf18("9","5","4","5","1","2","1") = "8"
    & skf18("9","5","4","5","1","3","1") = "8"
    & skf18("9","5","4","5","1","4","1") = "8"
    & skf18("9","5","4","5","1","5","1") = "8"
    & skf18("9","5","4","5","1","6","1") = "8"
    & skf18("9","5","4","5","1","7","1") = "8"
    & skf18("9","5","4","5","1","8","1") = "8"
    & skf18("9","5","4","5","1","9","1") = "8"
    & skf18("9","5","4","5","1","10","1") = "9"
    & skf18("9","5","4","5","2","1","1") = "8"
    & skf18("9","5","4","5","2","2","1") = "8"
    & skf18("9","5","4","5","2","3","1") = "8"
    & skf18("9","5","4","5","2","4","1") = "8"
    & skf18("9","5","4","5","2","5","1") = "8"
    & skf18("9","5","4","5","2","6","1") = "8"
    & skf18("9","5","4","5","2","7","1") = "8"
    & skf18("9","5","4","5","2","8","1") = "8"
    & skf18("9","5","4","5","2","9","1") = "8"
    & skf18("9","5","4","5","2","10","1") = "9"
    & skf18("9","5","4","5","3","1","1") = "8"
    & skf18("9","5","4","5","3","2","1") = "8"
    & skf18("9","5","4","5","3","3","1") = "8"
    & skf18("9","5","4","5","3","4","1") = "8"
    & skf18("9","5","4","5","3","5","1") = "8"
    & skf18("9","5","4","5","3","6","1") = "8"
    & skf18("9","5","4","5","3","7","1") = "8"
    & skf18("9","5","4","5","3","8","1") = "8"
    & skf18("9","5","4","5","3","9","1") = "8"
    & skf18("9","5","4","5","3","10","1") = "9"
    & skf18("9","5","4","5","4","1","1") = "8"
    & skf18("9","5","4","5","4","2","1") = "8"
    & skf18("9","5","4","5","4","3","1") = "8"
    & skf18("9","5","4","5","4","4","1") = "8"
    & skf18("9","5","4","5","4","5","1") = "8"
    & skf18("9","5","4","5","4","6","1") = "8"
    & skf18("9","5","4","5","4","7","1") = "8"
    & skf18("9","5","4","5","4","8","1") = "8"
    & skf18("9","5","4","5","4","9","1") = "8"
    & skf18("9","5","4","5","4","10","1") = "9"
    & skf18("9","5","4","5","5","1","1") = "8"
    & skf18("9","5","4","5","5","2","1") = "8"
    & skf18("9","5","4","5","5","3","1") = "8"
    & skf18("9","5","4","5","5","4","1") = "8"
    & skf18("9","5","4","5","5","5","1") = "8"
    & skf18("9","5","4","5","5","6","1") = "8"
    & skf18("9","5","4","5","5","7","1") = "8"
    & skf18("9","5","4","5","5","8","1") = "8"
    & skf18("9","5","4","5","5","9","1") = "8"
    & skf18("9","5","4","5","5","10","1") = "9"
    & skf18("9","5","4","5","6","1","1") = "8"
    & skf18("9","5","4","5","6","2","1") = "8"
    & skf18("9","5","4","5","6","3","1") = "8"
    & skf18("9","5","4","5","6","4","1") = "8"
    & skf18("9","5","4","5","6","5","1") = "8"
    & skf18("9","5","4","5","6","6","1") = "8"
    & skf18("9","5","4","5","6","7","1") = "8"
    & skf18("9","5","4","5","6","8","1") = "8"
    & skf18("9","5","4","5","6","9","1") = "8"
    & skf18("9","5","4","5","6","10","1") = "9"
    & skf18("9","5","4","5","7","1","1") = "8"
    & skf18("9","5","4","5","7","2","1") = "8"
    & skf18("9","5","4","5","7","3","1") = "8"
    & skf18("9","5","4","5","7","4","1") = "8"
    & skf18("9","5","4","5","7","5","1") = "8"
    & skf18("9","5","4","5","7","6","1") = "8"
    & skf18("9","5","4","5","7","7","1") = "8"
    & skf18("9","5","4","5","7","8","1") = "8"
    & skf18("9","5","4","5","7","9","1") = "8"
    & skf18("9","5","4","5","7","10","1") = "9"
    & skf18("9","5","4","5","8","1","1") = "8"
    & skf18("9","5","4","5","8","2","1") = "8"
    & skf18("9","5","4","5","8","3","1") = "8"
    & skf18("9","5","4","5","8","4","1") = "8"
    & skf18("9","5","4","5","8","5","1") = "8"
    & skf18("9","5","4","5","8","6","1") = "8"
    & skf18("9","5","4","5","8","7","1") = "8"
    & skf18("9","5","4","5","8","8","1") = "8"
    & skf18("9","5","4","5","8","9","1") = "8"
    & skf18("9","5","4","5","8","10","1") = "9"
    & skf18("9","5","4","5","9","1","1") = "8"
    & skf18("9","5","4","5","9","2","1") = "8"
    & skf18("9","5","4","5","9","3","1") = "8"
    & skf18("9","5","4","5","9","4","1") = "8"
    & skf18("9","5","4","5","9","5","1") = "8"
    & skf18("9","5","4","5","9","6","1") = "8"
    & skf18("9","5","4","5","9","7","1") = "8"
    & skf18("9","5","4","5","9","8","1") = "8"
    & skf18("9","5","4","5","9","9","1") = "8"
    & skf18("9","5","4","5","9","10","1") = "9"
    & skf18("9","5","4","5","10","1","1") = "9"
    & skf18("9","5","4","5","10","2","1") = "9"
    & skf18("9","5","4","5","10","3","1") = "9"
    & skf18("9","5","4","5","10","4","1") = "9"
    & skf18("9","5","4","5","10","5","1") = "9"
    & skf18("9","5","4","5","10","6","1") = "9"
    & skf18("9","5","4","5","10","7","1") = "9"
    & skf18("9","5","4","5","10","8","1") = "9"
    & skf18("9","5","4","5","10","9","1") = "9"
    & skf18("9","5","4","5","10","10","1") = "9"
    & skf18("9","5","4","6","1","1","1") = "8"
    & skf18("9","5","4","6","1","2","1") = "8"
    & skf18("9","5","4","6","1","3","1") = "8"
    & skf18("9","5","4","6","1","4","1") = "8"
    & skf18("9","5","4","6","1","5","1") = "8"
    & skf18("9","5","4","6","1","6","1") = "8"
    & skf18("9","5","4","6","1","7","1") = "8"
    & skf18("9","5","4","6","1","8","1") = "8"
    & skf18("9","5","4","6","1","9","1") = "8"
    & skf18("9","5","4","6","1","10","1") = "9"
    & skf18("9","5","4","6","2","1","1") = "8"
    & skf18("9","5","4","6","2","2","1") = "8"
    & skf18("9","5","4","6","2","3","1") = "8"
    & skf18("9","5","4","6","2","4","1") = "8"
    & skf18("9","5","4","6","2","5","1") = "8"
    & skf18("9","5","4","6","2","6","1") = "8"
    & skf18("9","5","4","6","2","7","1") = "8"
    & skf18("9","5","4","6","2","8","1") = "8"
    & skf18("9","5","4","6","2","9","1") = "8"
    & skf18("9","5","4","6","2","10","1") = "9"
    & skf18("9","5","4","6","3","1","1") = "8"
    & skf18("9","5","4","6","3","2","1") = "8"
    & skf18("9","5","4","6","3","3","1") = "8"
    & skf18("9","5","4","6","3","4","1") = "8"
    & skf18("9","5","4","6","3","5","1") = "8"
    & skf18("9","5","4","6","3","6","1") = "8"
    & skf18("9","5","4","6","3","7","1") = "8"
    & skf18("9","5","4","6","3","8","1") = "8"
    & skf18("9","5","4","6","3","9","1") = "8"
    & skf18("9","5","4","6","3","10","1") = "9"
    & skf18("9","5","4","6","4","1","1") = "8"
    & skf18("9","5","4","6","4","2","1") = "8"
    & skf18("9","5","4","6","4","3","1") = "8"
    & skf18("9","5","4","6","4","4","1") = "8"
    & skf18("9","5","4","6","4","5","1") = "8"
    & skf18("9","5","4","6","4","6","1") = "8"
    & skf18("9","5","4","6","4","7","1") = "8"
    & skf18("9","5","4","6","4","8","1") = "8"
    & skf18("9","5","4","6","4","9","1") = "8"
    & skf18("9","5","4","6","4","10","1") = "9"
    & skf18("9","5","4","6","5","1","1") = "8"
    & skf18("9","5","4","6","5","2","1") = "8"
    & skf18("9","5","4","6","5","3","1") = "8"
    & skf18("9","5","4","6","5","4","1") = "8"
    & skf18("9","5","4","6","5","5","1") = "8"
    & skf18("9","5","4","6","5","6","1") = "8"
    & skf18("9","5","4","6","5","7","1") = "8"
    & skf18("9","5","4","6","5","8","1") = "8"
    & skf18("9","5","4","6","5","9","1") = "8"
    & skf18("9","5","4","6","5","10","1") = "9"
    & skf18("9","5","4","6","6","1","1") = "8"
    & skf18("9","5","4","6","6","2","1") = "8"
    & skf18("9","5","4","6","6","3","1") = "8"
    & skf18("9","5","4","6","6","4","1") = "8"
    & skf18("9","5","4","6","6","5","1") = "8"
    & skf18("9","5","4","6","6","6","1") = "8"
    & skf18("9","5","4","6","6","7","1") = "8"
    & skf18("9","5","4","6","6","8","1") = "8"
    & skf18("9","5","4","6","6","9","1") = "8"
    & skf18("9","5","4","6","6","10","1") = "9"
    & skf18("9","5","4","6","7","1","1") = "8"
    & skf18("9","5","4","6","7","2","1") = "8"
    & skf18("9","5","4","6","7","3","1") = "8"
    & skf18("9","5","4","6","7","4","1") = "8"
    & skf18("9","5","4","6","7","5","1") = "8"
    & skf18("9","5","4","6","7","6","1") = "8"
    & skf18("9","5","4","6","7","7","1") = "8"
    & skf18("9","5","4","6","7","8","1") = "8"
    & skf18("9","5","4","6","7","9","1") = "8"
    & skf18("9","5","4","6","7","10","1") = "9"
    & skf18("9","5","4","6","8","1","1") = "8"
    & skf18("9","5","4","6","8","2","1") = "8"
    & skf18("9","5","4","6","8","3","1") = "8"
    & skf18("9","5","4","6","8","4","1") = "8"
    & skf18("9","5","4","6","8","5","1") = "8"
    & skf18("9","5","4","6","8","6","1") = "8"
    & skf18("9","5","4","6","8","7","1") = "8"
    & skf18("9","5","4","6","8","8","1") = "8"
    & skf18("9","5","4","6","8","9","1") = "8"
    & skf18("9","5","4","6","8","10","1") = "9"
    & skf18("9","5","4","6","9","1","1") = "8"
    & skf18("9","5","4","6","9","2","1") = "8"
    & skf18("9","5","4","6","9","3","1") = "8"
    & skf18("9","5","4","6","9","4","1") = "8"
    & skf18("9","5","4","6","9","5","1") = "8"
    & skf18("9","5","4","6","9","6","1") = "8"
    & skf18("9","5","4","6","9","7","1") = "8"
    & skf18("9","5","4","6","9","8","1") = "8"
    & skf18("9","5","4","6","9","9","1") = "8"
    & skf18("9","5","4","6","9","10","1") = "9"
    & skf18("9","5","4","6","10","1","1") = "9"
    & skf18("9","5","4","6","10","2","1") = "9"
    & skf18("9","5","4","6","10","3","1") = "9"
    & skf18("9","5","4","6","10","4","1") = "9"
    & skf18("9","5","4","6","10","5","1") = "9"
    & skf18("9","5","4","6","10","6","1") = "9"
    & skf18("9","5","4","6","10","7","1") = "9"
    & skf18("9","5","4","6","10","8","1") = "9"
    & skf18("9","5","4","6","10","9","1") = "9"
    & skf18("9","5","4","6","10","10","1") = "9"
    & skf18("9","5","4","7","1","1","1") = "8"
    & skf18("9","5","4","7","1","2","1") = "8"
    & skf18("9","5","4","7","1","3","1") = "8"
    & skf18("9","5","4","7","1","4","1") = "8"
    & skf18("9","5","4","7","1","5","1") = "8"
    & skf18("9","5","4","7","1","6","1") = "8"
    & skf18("9","5","4","7","1","7","1") = "8"
    & skf18("9","5","4","7","1","8","1") = "8"
    & skf18("9","5","4","7","1","9","1") = "8"
    & skf18("9","5","4","7","1","10","1") = "9"
    & skf18("9","5","4","7","2","1","1") = "8"
    & skf18("9","5","4","7","2","2","1") = "8"
    & skf18("9","5","4","7","2","3","1") = "8"
    & skf18("9","5","4","7","2","4","1") = "8"
    & skf18("9","5","4","7","2","5","1") = "8"
    & skf18("9","5","4","7","2","6","1") = "8"
    & skf18("9","5","4","7","2","7","1") = "8"
    & skf18("9","5","4","7","2","8","1") = "8"
    & skf18("9","5","4","7","2","9","1") = "8"
    & skf18("9","5","4","7","2","10","1") = "9"
    & skf18("9","5","4","7","3","1","1") = "8"
    & skf18("9","5","4","7","3","2","1") = "8"
    & skf18("9","5","4","7","3","3","1") = "8"
    & skf18("9","5","4","7","3","4","1") = "8"
    & skf18("9","5","4","7","3","5","1") = "8"
    & skf18("9","5","4","7","3","6","1") = "8"
    & skf18("9","5","4","7","3","7","1") = "8"
    & skf18("9","5","4","7","3","8","1") = "8"
    & skf18("9","5","4","7","3","9","1") = "8"
    & skf18("9","5","4","7","3","10","1") = "9"
    & skf18("9","5","4","7","4","1","1") = "8"
    & skf18("9","5","4","7","4","2","1") = "8"
    & skf18("9","5","4","7","4","3","1") = "8"
    & skf18("9","5","4","7","4","4","1") = "8"
    & skf18("9","5","4","7","4","5","1") = "8"
    & skf18("9","5","4","7","4","6","1") = "8"
    & skf18("9","5","4","7","4","7","1") = "8"
    & skf18("9","5","4","7","4","8","1") = "8"
    & skf18("9","5","4","7","4","9","1") = "8"
    & skf18("9","5","4","7","4","10","1") = "9"
    & skf18("9","5","4","7","5","1","1") = "8"
    & skf18("9","5","4","7","5","2","1") = "8"
    & skf18("9","5","4","7","5","3","1") = "8"
    & skf18("9","5","4","7","5","4","1") = "8"
    & skf18("9","5","4","7","5","5","1") = "8"
    & skf18("9","5","4","7","5","6","1") = "8"
    & skf18("9","5","4","7","5","7","1") = "8"
    & skf18("9","5","4","7","5","8","1") = "8"
    & skf18("9","5","4","7","5","9","1") = "8"
    & skf18("9","5","4","7","5","10","1") = "9"
    & skf18("9","5","4","7","6","1","1") = "8"
    & skf18("9","5","4","7","6","2","1") = "8"
    & skf18("9","5","4","7","6","3","1") = "8"
    & skf18("9","5","4","7","6","4","1") = "8"
    & skf18("9","5","4","7","6","5","1") = "8"
    & skf18("9","5","4","7","6","6","1") = "8"
    & skf18("9","5","4","7","6","7","1") = "8"
    & skf18("9","5","4","7","6","8","1") = "8"
    & skf18("9","5","4","7","6","9","1") = "8"
    & skf18("9","5","4","7","6","10","1") = "9"
    & skf18("9","5","4","7","7","1","1") = "8"
    & skf18("9","5","4","7","7","2","1") = "8"
    & skf18("9","5","4","7","7","3","1") = "8"
    & skf18("9","5","4","7","7","4","1") = "8"
    & skf18("9","5","4","7","7","5","1") = "8"
    & skf18("9","5","4","7","7","6","1") = "8"
    & skf18("9","5","4","7","7","7","1") = "8"
    & skf18("9","5","4","7","7","8","1") = "8"
    & skf18("9","5","4","7","7","9","1") = "8"
    & skf18("9","5","4","7","7","10","1") = "9"
    & skf18("9","5","4","7","8","1","1") = "8"
    & skf18("9","5","4","7","8","2","1") = "8"
    & skf18("9","5","4","7","8","3","1") = "8"
    & skf18("9","5","4","7","8","4","1") = "8"
    & skf18("9","5","4","7","8","5","1") = "8"
    & skf18("9","5","4","7","8","6","1") = "8"
    & skf18("9","5","4","7","8","7","1") = "8"
    & skf18("9","5","4","7","8","8","1") = "8"
    & skf18("9","5","4","7","8","9","1") = "8"
    & skf18("9","5","4","7","8","10","1") = "9"
    & skf18("9","5","4","7","9","1","1") = "8"
    & skf18("9","5","4","7","9","2","1") = "8"
    & skf18("9","5","4","7","9","3","1") = "8"
    & skf18("9","5","4","7","9","4","1") = "8"
    & skf18("9","5","4","7","9","5","1") = "8"
    & skf18("9","5","4","7","9","6","1") = "8"
    & skf18("9","5","4","7","9","7","1") = "8"
    & skf18("9","5","4","7","9","8","1") = "8"
    & skf18("9","5","4","7","9","9","1") = "8"
    & skf18("9","5","4","7","9","10","1") = "9"
    & skf18("9","5","4","7","10","1","1") = "9"
    & skf18("9","5","4","7","10","2","1") = "9"
    & skf18("9","5","4","7","10","3","1") = "9"
    & skf18("9","5","4","7","10","4","1") = "9"
    & skf18("9","5","4","7","10","5","1") = "9"
    & skf18("9","5","4","7","10","6","1") = "9"
    & skf18("9","5","4","7","10","7","1") = "9"
    & skf18("9","5","4","7","10","8","1") = "9"
    & skf18("9","5","4","7","10","9","1") = "9"
    & skf18("9","5","4","7","10","10","1") = "9"
    & skf18("9","5","4","8","1","1","1") = "8"
    & skf18("9","5","4","8","1","2","1") = "8"
    & skf18("9","5","4","8","1","3","1") = "8"
    & skf18("9","5","4","8","1","4","1") = "8"
    & skf18("9","5","4","8","1","5","1") = "8"
    & skf18("9","5","4","8","1","6","1") = "8"
    & skf18("9","5","4","8","1","7","1") = "8"
    & skf18("9","5","4","8","1","8","1") = "8"
    & skf18("9","5","4","8","1","9","1") = "8"
    & skf18("9","5","4","8","1","10","1") = "9"
    & skf18("9","5","4","8","2","1","1") = "8"
    & skf18("9","5","4","8","2","2","1") = "8"
    & skf18("9","5","4","8","2","3","1") = "8"
    & skf18("9","5","4","8","2","4","1") = "8"
    & skf18("9","5","4","8","2","5","1") = "8"
    & skf18("9","5","4","8","2","6","1") = "8"
    & skf18("9","5","4","8","2","7","1") = "8"
    & skf18("9","5","4","8","2","8","1") = "8"
    & skf18("9","5","4","8","2","9","1") = "8"
    & skf18("9","5","4","8","2","10","1") = "9"
    & skf18("9","5","4","8","3","1","1") = "8"
    & skf18("9","5","4","8","3","2","1") = "8"
    & skf18("9","5","4","8","3","3","1") = "8"
    & skf18("9","5","4","8","3","4","1") = "8"
    & skf18("9","5","4","8","3","5","1") = "8"
    & skf18("9","5","4","8","3","6","1") = "8"
    & skf18("9","5","4","8","3","7","1") = "8"
    & skf18("9","5","4","8","3","8","1") = "8"
    & skf18("9","5","4","8","3","9","1") = "8"
    & skf18("9","5","4","8","3","10","1") = "9"
    & skf18("9","5","4","8","4","1","1") = "8"
    & skf18("9","5","4","8","4","2","1") = "8"
    & skf18("9","5","4","8","4","3","1") = "8"
    & skf18("9","5","4","8","4","4","1") = "8"
    & skf18("9","5","4","8","4","5","1") = "8"
    & skf18("9","5","4","8","4","6","1") = "8"
    & skf18("9","5","4","8","4","7","1") = "8"
    & skf18("9","5","4","8","4","8","1") = "8"
    & skf18("9","5","4","8","4","9","1") = "8"
    & skf18("9","5","4","8","4","10","1") = "9"
    & skf18("9","5","4","8","5","1","1") = "8"
    & skf18("9","5","4","8","5","2","1") = "8"
    & skf18("9","5","4","8","5","3","1") = "8"
    & skf18("9","5","4","8","5","4","1") = "8"
    & skf18("9","5","4","8","5","5","1") = "8"
    & skf18("9","5","4","8","5","6","1") = "8"
    & skf18("9","5","4","8","5","7","1") = "8"
    & skf18("9","5","4","8","5","8","1") = "8"
    & skf18("9","5","4","8","5","9","1") = "8"
    & skf18("9","5","4","8","5","10","1") = "9"
    & skf18("9","5","4","8","6","1","1") = "8"
    & skf18("9","5","4","8","6","2","1") = "8"
    & skf18("9","5","4","8","6","3","1") = "8"
    & skf18("9","5","4","8","6","4","1") = "8"
    & skf18("9","5","4","8","6","5","1") = "8"
    & skf18("9","5","4","8","6","6","1") = "8"
    & skf18("9","5","4","8","6","7","1") = "8"
    & skf18("9","5","4","8","6","8","1") = "8"
    & skf18("9","5","4","8","6","9","1") = "8"
    & skf18("9","5","4","8","6","10","1") = "9"
    & skf18("9","5","4","8","7","1","1") = "8"
    & skf18("9","5","4","8","7","2","1") = "8"
    & skf18("9","5","4","8","7","3","1") = "8"
    & skf18("9","5","4","8","7","4","1") = "8"
    & skf18("9","5","4","8","7","5","1") = "8"
    & skf18("9","5","4","8","7","6","1") = "8"
    & skf18("9","5","4","8","7","7","1") = "8"
    & skf18("9","5","4","8","7","8","1") = "8"
    & skf18("9","5","4","8","7","9","1") = "8"
    & skf18("9","5","4","8","7","10","1") = "9"
    & skf18("9","5","4","8","8","1","1") = "8"
    & skf18("9","5","4","8","8","2","1") = "8"
    & skf18("9","5","4","8","8","3","1") = "8"
    & skf18("9","5","4","8","8","4","1") = "8"
    & skf18("9","5","4","8","8","5","1") = "8"
    & skf18("9","5","4","8","8","6","1") = "8"
    & skf18("9","5","4","8","8","7","1") = "8"
    & skf18("9","5","4","8","8","8","1") = "8"
    & skf18("9","5","4","8","8","9","1") = "8"
    & skf18("9","5","4","8","8","10","1") = "9"
    & skf18("9","5","4","8","9","1","1") = "8"
    & skf18("9","5","4","8","9","2","1") = "8"
    & skf18("9","5","4","8","9","3","1") = "8"
    & skf18("9","5","4","8","9","4","1") = "8"
    & skf18("9","5","4","8","9","5","1") = "8"
    & skf18("9","5","4","8","9","6","1") = "8"
    & skf18("9","5","4","8","9","7","1") = "8"
    & skf18("9","5","4","8","9","8","1") = "8"
    & skf18("9","5","4","8","9","9","1") = "8"
    & skf18("9","5","4","8","9","10","1") = "9"
    & skf18("9","5","4","8","10","1","1") = "9"
    & skf18("9","5","4","8","10","2","1") = "9"
    & skf18("9","5","4","8","10","3","1") = "9"
    & skf18("9","5","4","8","10","4","1") = "9"
    & skf18("9","5","4","8","10","5","1") = "9"
    & skf18("9","5","4","8","10","6","1") = "9"
    & skf18("9","5","4","8","10","7","1") = "9"
    & skf18("9","5","4","8","10","8","1") = "9"
    & skf18("9","5","4","8","10","9","1") = "9"
    & skf18("9","5","4","8","10","10","1") = "9"
    & skf18("9","5","4","9","1","1","1") = "8"
    & skf18("9","5","4","9","1","2","1") = "8"
    & skf18("9","5","4","9","1","3","1") = "8"
    & skf18("9","5","4","9","1","4","1") = "8"
    & skf18("9","5","4","9","1","5","1") = "8"
    & skf18("9","5","4","9","1","6","1") = "8"
    & skf18("9","5","4","9","1","7","1") = "8"
    & skf18("9","5","4","9","1","8","1") = "8"
    & skf18("9","5","4","9","1","9","1") = "8"
    & skf18("9","5","4","9","1","10","1") = "9"
    & skf18("9","5","4","9","2","1","1") = "8"
    & skf18("9","5","4","9","2","2","1") = "8"
    & skf18("9","5","4","9","2","3","1") = "8"
    & skf18("9","5","4","9","2","4","1") = "8"
    & skf18("9","5","4","9","2","5","1") = "8"
    & skf18("9","5","4","9","2","6","1") = "8"
    & skf18("9","5","4","9","2","7","1") = "8"
    & skf18("9","5","4","9","2","8","1") = "8"
    & skf18("9","5","4","9","2","9","1") = "8"
    & skf18("9","5","4","9","2","10","1") = "9"
    & skf18("9","5","4","9","3","1","1") = "8"
    & skf18("9","5","4","9","3","2","1") = "8"
    & skf18("9","5","4","9","3","3","1") = "8"
    & skf18("9","5","4","9","3","4","1") = "8"
    & skf18("9","5","4","9","3","5","1") = "8"
    & skf18("9","5","4","9","3","6","1") = "8"
    & skf18("9","5","4","9","3","7","1") = "8"
    & skf18("9","5","4","9","3","8","1") = "8"
    & skf18("9","5","4","9","3","9","1") = "8"
    & skf18("9","5","4","9","3","10","1") = "9"
    & skf18("9","5","4","9","4","1","1") = "8"
    & skf18("9","5","4","9","4","2","1") = "8"
    & skf18("9","5","4","9","4","3","1") = "8"
    & skf18("9","5","4","9","4","4","1") = "8"
    & skf18("9","5","4","9","4","5","1") = "8"
    & skf18("9","5","4","9","4","6","1") = "8"
    & skf18("9","5","4","9","4","7","1") = "8"
    & skf18("9","5","4","9","4","8","1") = "8"
    & skf18("9","5","4","9","4","9","1") = "8"
    & skf18("9","5","4","9","4","10","1") = "9"
    & skf18("9","5","4","9","5","1","1") = "8"
    & skf18("9","5","4","9","5","2","1") = "8"
    & skf18("9","5","4","9","5","3","1") = "8"
    & skf18("9","5","4","9","5","4","1") = "8"
    & skf18("9","5","4","9","5","5","1") = "8"
    & skf18("9","5","4","9","5","6","1") = "8"
    & skf18("9","5","4","9","5","7","1") = "8"
    & skf18("9","5","4","9","5","8","1") = "8"
    & skf18("9","5","4","9","5","9","1") = "8"
    & skf18("9","5","4","9","5","10","1") = "9"
    & skf18("9","5","4","9","6","1","1") = "8"
    & skf18("9","5","4","9","6","2","1") = "8"
    & skf18("9","5","4","9","6","3","1") = "8"
    & skf18("9","5","4","9","6","4","1") = "8"
    & skf18("9","5","4","9","6","5","1") = "8"
    & skf18("9","5","4","9","6","6","1") = "8"
    & skf18("9","5","4","9","6","7","1") = "8"
    & skf18("9","5","4","9","6","8","1") = "8"
    & skf18("9","5","4","9","6","9","1") = "8"
    & skf18("9","5","4","9","6","10","1") = "9"
    & skf18("9","5","4","9","7","1","1") = "8"
    & skf18("9","5","4","9","7","2","1") = "8"
    & skf18("9","5","4","9","7","3","1") = "8"
    & skf18("9","5","4","9","7","4","1") = "8"
    & skf18("9","5","4","9","7","5","1") = "8"
    & skf18("9","5","4","9","7","6","1") = "8"
    & skf18("9","5","4","9","7","7","1") = "8"
    & skf18("9","5","4","9","7","8","1") = "8"
    & skf18("9","5","4","9","7","9","1") = "8"
    & skf18("9","5","4","9","7","10","1") = "9"
    & skf18("9","5","4","9","8","1","1") = "8"
    & skf18("9","5","4","9","8","2","1") = "8"
    & skf18("9","5","4","9","8","3","1") = "8"
    & skf18("9","5","4","9","8","4","1") = "8"
    & skf18("9","5","4","9","8","5","1") = "8"
    & skf18("9","5","4","9","8","6","1") = "8"
    & skf18("9","5","4","9","8","7","1") = "8"
    & skf18("9","5","4","9","8","8","1") = "8"
    & skf18("9","5","4","9","8","9","1") = "8"
    & skf18("9","5","4","9","8","10","1") = "9"
    & skf18("9","5","4","9","9","1","1") = "8"
    & skf18("9","5","4","9","9","2","1") = "8"
    & skf18("9","5","4","9","9","3","1") = "8"
    & skf18("9","5","4","9","9","4","1") = "8"
    & skf18("9","5","4","9","9","5","1") = "8"
    & skf18("9","5","4","9","9","6","1") = "8"
    & skf18("9","5","4","9","9","7","1") = "8"
    & skf18("9","5","4","9","9","8","1") = "8"
    & skf18("9","5","4","9","9","9","1") = "8"
    & skf18("9","5","4","9","9","10","1") = "9"
    & skf18("9","5","4","9","10","1","1") = "9"
    & skf18("9","5","4","9","10","2","1") = "9"
    & skf18("9","5","4","9","10","3","1") = "9"
    & skf18("9","5","4","9","10","4","1") = "9"
    & skf18("9","5","4","9","10","5","1") = "9"
    & skf18("9","5","4","9","10","6","1") = "9"
    & skf18("9","5","4","9","10","7","1") = "9"
    & skf18("9","5","4","9","10","8","1") = "9"
    & skf18("9","5","4","9","10","9","1") = "9"
    & skf18("9","5","4","9","10","10","1") = "9"
    & skf18("9","5","4","10","1","1","1") = "9"
    & skf18("9","5","4","10","1","2","1") = "9"
    & skf18("9","5","4","10","1","3","1") = "9"
    & skf18("9","5","4","10","1","4","1") = "9"
    & skf18("9","5","4","10","1","5","1") = "9"
    & skf18("9","5","4","10","1","6","1") = "9"
    & skf18("9","5","4","10","1","7","1") = "9"
    & skf18("9","5","4","10","1","8","1") = "9"
    & skf18("9","5","4","10","1","9","1") = "9"
    & skf18("9","5","4","10","1","10","1") = "9"
    & skf18("9","5","4","10","2","1","1") = "9"
    & skf18("9","5","4","10","2","2","1") = "9"
    & skf18("9","5","4","10","2","3","1") = "9"
    & skf18("9","5","4","10","2","4","1") = "9"
    & skf18("9","5","4","10","2","5","1") = "9"
    & skf18("9","5","4","10","2","6","1") = "9"
    & skf18("9","5","4","10","2","7","1") = "9"
    & skf18("9","5","4","10","2","8","1") = "9"
    & skf18("9","5","4","10","2","9","1") = "9"
    & skf18("9","5","4","10","2","10","1") = "9"
    & skf18("9","5","4","10","3","1","1") = "9"
    & skf18("9","5","4","10","3","2","1") = "9"
    & skf18("9","5","4","10","3","3","1") = "9"
    & skf18("9","5","4","10","3","4","1") = "9"
    & skf18("9","5","4","10","3","5","1") = "9"
    & skf18("9","5","4","10","3","6","1") = "9"
    & skf18("9","5","4","10","3","7","1") = "9"
    & skf18("9","5","4","10","3","8","1") = "9"
    & skf18("9","5","4","10","3","9","1") = "9"
    & skf18("9","5","4","10","3","10","1") = "9"
    & skf18("9","5","4","10","4","1","1") = "9"
    & skf18("9","5","4","10","4","2","1") = "9"
    & skf18("9","5","4","10","4","3","1") = "9"
    & skf18("9","5","4","10","4","4","1") = "9"
    & skf18("9","5","4","10","4","5","1") = "9"
    & skf18("9","5","4","10","4","6","1") = "9"
    & skf18("9","5","4","10","4","7","1") = "9"
    & skf18("9","5","4","10","4","8","1") = "9"
    & skf18("9","5","4","10","4","9","1") = "9"
    & skf18("9","5","4","10","4","10","1") = "9"
    & skf18("9","5","4","10","5","1","1") = "9"
    & skf18("9","5","4","10","5","2","1") = "9"
    & skf18("9","5","4","10","5","3","1") = "9"
    & skf18("9","5","4","10","5","4","1") = "9"
    & skf18("9","5","4","10","5","5","1") = "9"
    & skf18("9","5","4","10","5","6","1") = "9"
    & skf18("9","5","4","10","5","7","1") = "9"
    & skf18("9","5","4","10","5","8","1") = "9"
    & skf18("9","5","4","10","5","9","1") = "9"
    & skf18("9","5","4","10","5","10","1") = "9"
    & skf18("9","5","4","10","6","1","1") = "9"
    & skf18("9","5","4","10","6","2","1") = "9"
    & skf18("9","5","4","10","6","3","1") = "9"
    & skf18("9","5","4","10","6","4","1") = "9"
    & skf18("9","5","4","10","6","5","1") = "9"
    & skf18("9","5","4","10","6","6","1") = "9"
    & skf18("9","5","4","10","6","7","1") = "9"
    & skf18("9","5","4","10","6","8","1") = "9"
    & skf18("9","5","4","10","6","9","1") = "9"
    & skf18("9","5","4","10","6","10","1") = "9"
    & skf18("9","5","4","10","7","1","1") = "9"
    & skf18("9","5","4","10","7","2","1") = "9"
    & skf18("9","5","4","10","7","3","1") = "9"
    & skf18("9","5","4","10","7","4","1") = "9"
    & skf18("9","5","4","10","7","5","1") = "9"
    & skf18("9","5","4","10","7","6","1") = "9"
    & skf18("9","5","4","10","7","7","1") = "9"
    & skf18("9","5","4","10","7","8","1") = "9"
    & skf18("9","5","4","10","7","9","1") = "9"
    & skf18("9","5","4","10","7","10","1") = "9"
    & skf18("9","5","4","10","8","1","1") = "9"
    & skf18("9","5","4","10","8","2","1") = "9"
    & skf18("9","5","4","10","8","3","1") = "9"
    & skf18("9","5","4","10","8","4","1") = "9"
    & skf18("9","5","4","10","8","5","1") = "9"
    & skf18("9","5","4","10","8","6","1") = "9"
    & skf18("9","5","4","10","8","7","1") = "9"
    & skf18("9","5","4","10","8","8","1") = "9"
    & skf18("9","5","4","10","8","9","1") = "9"
    & skf18("9","5","4","10","8","10","1") = "9"
    & skf18("9","5","4","10","9","1","1") = "9"
    & skf18("9","5","4","10","9","2","1") = "9"
    & skf18("9","5","4","10","9","3","1") = "9"
    & skf18("9","5","4","10","9","4","1") = "9"
    & skf18("9","5","4","10","9","5","1") = "9"
    & skf18("9","5","4","10","9","6","1") = "9"
    & skf18("9","5","4","10","9","7","1") = "9"
    & skf18("9","5","4","10","9","8","1") = "9"
    & skf18("9","5","4","10","9","9","1") = "9"
    & skf18("9","5","4","10","9","10","1") = "9"
    & skf18("9","5","4","10","10","1","1") = "9"
    & skf18("9","5","4","10","10","2","1") = "9"
    & skf18("9","5","4","10","10","3","1") = "9"
    & skf18("9","5","4","10","10","4","1") = "9"
    & skf18("9","5","4","10","10","5","1") = "9"
    & skf18("9","5","4","10","10","6","1") = "9"
    & skf18("9","5","4","10","10","7","1") = "9"
    & skf18("9","5","4","10","10","8","1") = "9"
    & skf18("9","5","4","10","10","9","1") = "9"
    & skf18("9","5","4","10","10","10","1") = "9"
    & skf18("9","5","5","1","1","1","1") = "8"
    & skf18("9","5","5","1","1","2","1") = "8"
    & skf18("9","5","5","1","1","3","1") = "8"
    & skf18("9","5","5","1","1","4","1") = "8"
    & skf18("9","5","5","1","1","5","1") = "8"
    & skf18("9","5","5","1","1","6","1") = "8"
    & skf18("9","5","5","1","1","7","1") = "8"
    & skf18("9","5","5","1","1","8","1") = "8"
    & skf18("9","5","5","1","1","9","1") = "8"
    & skf18("9","5","5","1","1","10","1") = "9"
    & skf18("9","5","5","1","2","1","1") = "8"
    & skf18("9","5","5","1","2","2","1") = "8"
    & skf18("9","5","5","1","2","3","1") = "8"
    & skf18("9","5","5","1","2","4","1") = "8"
    & skf18("9","5","5","1","2","5","1") = "8"
    & skf18("9","5","5","1","2","6","1") = "8"
    & skf18("9","5","5","1","2","7","1") = "8"
    & skf18("9","5","5","1","2","8","1") = "8"
    & skf18("9","5","5","1","2","9","1") = "8"
    & skf18("9","5","5","1","2","10","1") = "9"
    & skf18("9","5","5","1","3","1","1") = "8"
    & skf18("9","5","5","1","3","2","1") = "8"
    & skf18("9","5","5","1","3","3","1") = "8"
    & skf18("9","5","5","1","3","4","1") = "8"
    & skf18("9","5","5","1","3","5","1") = "8"
    & skf18("9","5","5","1","3","6","1") = "8"
    & skf18("9","5","5","1","3","7","1") = "8"
    & skf18("9","5","5","1","3","8","1") = "8"
    & skf18("9","5","5","1","3","9","1") = "8"
    & skf18("9","5","5","1","3","10","1") = "9"
    & skf18("9","5","5","1","4","1","1") = "8"
    & skf18("9","5","5","1","4","2","1") = "8"
    & skf18("9","5","5","1","4","3","1") = "8"
    & skf18("9","5","5","1","4","4","1") = "8"
    & skf18("9","5","5","1","4","5","1") = "8"
    & skf18("9","5","5","1","4","6","1") = "8"
    & skf18("9","5","5","1","4","7","1") = "8"
    & skf18("9","5","5","1","4","8","1") = "8"
    & skf18("9","5","5","1","4","9","1") = "8"
    & skf18("9","5","5","1","4","10","1") = "9"
    & skf18("9","5","5","1","5","1","1") = "8"
    & skf18("9","5","5","1","5","2","1") = "8"
    & skf18("9","5","5","1","5","3","1") = "8"
    & skf18("9","5","5","1","5","4","1") = "8"
    & skf18("9","5","5","1","5","5","1") = "8"
    & skf18("9","5","5","1","5","6","1") = "8"
    & skf18("9","5","5","1","5","7","1") = "8"
    & skf18("9","5","5","1","5","8","1") = "8"
    & skf18("9","5","5","1","5","9","1") = "8"
    & skf18("9","5","5","1","5","10","1") = "9"
    & skf18("9","5","5","1","6","1","1") = "8"
    & skf18("9","5","5","1","6","2","1") = "8"
    & skf18("9","5","5","1","6","3","1") = "8"
    & skf18("9","5","5","1","6","4","1") = "8"
    & skf18("9","5","5","1","6","5","1") = "8"
    & skf18("9","5","5","1","6","6","1") = "8"
    & skf18("9","5","5","1","6","7","1") = "8"
    & skf18("9","5","5","1","6","8","1") = "8"
    & skf18("9","5","5","1","6","9","1") = "8"
    & skf18("9","5","5","1","6","10","1") = "9"
    & skf18("9","5","5","1","7","1","1") = "8"
    & skf18("9","5","5","1","7","2","1") = "8"
    & skf18("9","5","5","1","7","3","1") = "8"
    & skf18("9","5","5","1","7","4","1") = "8"
    & skf18("9","5","5","1","7","5","1") = "8"
    & skf18("9","5","5","1","7","6","1") = "8"
    & skf18("9","5","5","1","7","7","1") = "8"
    & skf18("9","5","5","1","7","8","1") = "8"
    & skf18("9","5","5","1","7","9","1") = "8"
    & skf18("9","5","5","1","7","10","1") = "9"
    & skf18("9","5","5","1","8","1","1") = "8"
    & skf18("9","5","5","1","8","2","1") = "8"
    & skf18("9","5","5","1","8","3","1") = "8"
    & skf18("9","5","5","1","8","4","1") = "8"
    & skf18("9","5","5","1","8","5","1") = "8"
    & skf18("9","5","5","1","8","6","1") = "8"
    & skf18("9","5","5","1","8","7","1") = "8"
    & skf18("9","5","5","1","8","8","1") = "8"
    & skf18("9","5","5","1","8","9","1") = "8"
    & skf18("9","5","5","1","8","10","1") = "9"
    & skf18("9","5","5","1","9","1","1") = "8"
    & skf18("9","5","5","1","9","2","1") = "8"
    & skf18("9","5","5","1","9","3","1") = "8"
    & skf18("9","5","5","1","9","4","1") = "8"
    & skf18("9","5","5","1","9","5","1") = "8"
    & skf18("9","5","5","1","9","6","1") = "8"
    & skf18("9","5","5","1","9","7","1") = "8"
    & skf18("9","5","5","1","9","8","1") = "8"
    & skf18("9","5","5","1","9","9","1") = "8"
    & skf18("9","5","5","1","9","10","1") = "9"
    & skf18("9","5","5","1","10","1","1") = "9"
    & skf18("9","5","5","1","10","2","1") = "9"
    & skf18("9","5","5","1","10","3","1") = "9"
    & skf18("9","5","5","1","10","4","1") = "9"
    & skf18("9","5","5","1","10","5","1") = "9"
    & skf18("9","5","5","1","10","6","1") = "9"
    & skf18("9","5","5","1","10","7","1") = "9"
    & skf18("9","5","5","1","10","8","1") = "9"
    & skf18("9","5","5","1","10","9","1") = "9"
    & skf18("9","5","5","1","10","10","1") = "9"
    & skf18("9","5","5","2","1","1","1") = "8"
    & skf18("9","5","5","2","1","2","1") = "8"
    & skf18("9","5","5","2","1","3","1") = "8"
    & skf18("9","5","5","2","1","4","1") = "8"
    & skf18("9","5","5","2","1","5","1") = "8"
    & skf18("9","5","5","2","1","6","1") = "8"
    & skf18("9","5","5","2","1","7","1") = "8"
    & skf18("9","5","5","2","1","8","1") = "8"
    & skf18("9","5","5","2","1","9","1") = "8"
    & skf18("9","5","5","2","1","10","1") = "9"
    & skf18("9","5","5","2","2","1","1") = "8"
    & skf18("9","5","5","2","2","2","1") = "8"
    & skf18("9","5","5","2","2","3","1") = "8"
    & skf18("9","5","5","2","2","4","1") = "8"
    & skf18("9","5","5","2","2","5","1") = "8"
    & skf18("9","5","5","2","2","6","1") = "8"
    & skf18("9","5","5","2","2","7","1") = "8"
    & skf18("9","5","5","2","2","8","1") = "8"
    & skf18("9","5","5","2","2","9","1") = "8"
    & skf18("9","5","5","2","2","10","1") = "9"
    & skf18("9","5","5","2","3","1","1") = "8"
    & skf18("9","5","5","2","3","2","1") = "8"
    & skf18("9","5","5","2","3","3","1") = "8"
    & skf18("9","5","5","2","3","4","1") = "8"
    & skf18("9","5","5","2","3","5","1") = "8"
    & skf18("9","5","5","2","3","6","1") = "8"
    & skf18("9","5","5","2","3","7","1") = "8"
    & skf18("9","5","5","2","3","8","1") = "8"
    & skf18("9","5","5","2","3","9","1") = "8"
    & skf18("9","5","5","2","3","10","1") = "9"
    & skf18("9","5","5","2","4","1","1") = "8"
    & skf18("9","5","5","2","4","2","1") = "8"
    & skf18("9","5","5","2","4","3","1") = "8"
    & skf18("9","5","5","2","4","4","1") = "8"
    & skf18("9","5","5","2","4","5","1") = "8"
    & skf18("9","5","5","2","4","6","1") = "8"
    & skf18("9","5","5","2","4","7","1") = "8"
    & skf18("9","5","5","2","4","8","1") = "8"
    & skf18("9","5","5","2","4","9","1") = "8"
    & skf18("9","5","5","2","4","10","1") = "9"
    & skf18("9","5","5","2","5","1","1") = "8"
    & skf18("9","5","5","2","5","2","1") = "8"
    & skf18("9","5","5","2","5","3","1") = "8"
    & skf18("9","5","5","2","5","4","1") = "8"
    & skf18("9","5","5","2","5","5","1") = "8"
    & skf18("9","5","5","2","5","6","1") = "8"
    & skf18("9","5","5","2","5","7","1") = "8"
    & skf18("9","5","5","2","5","8","1") = "8"
    & skf18("9","5","5","2","5","9","1") = "8"
    & skf18("9","5","5","2","5","10","1") = "9"
    & skf18("9","5","5","2","6","1","1") = "8"
    & skf18("9","5","5","2","6","2","1") = "8"
    & skf18("9","5","5","2","6","3","1") = "8"
    & skf18("9","5","5","2","6","4","1") = "8"
    & skf18("9","5","5","2","6","5","1") = "8"
    & skf18("9","5","5","2","6","6","1") = "8"
    & skf18("9","5","5","2","6","7","1") = "8"
    & skf18("9","5","5","2","6","8","1") = "8"
    & skf18("9","5","5","2","6","9","1") = "8"
    & skf18("9","5","5","2","6","10","1") = "9"
    & skf18("9","5","5","2","7","1","1") = "8"
    & skf18("9","5","5","2","7","2","1") = "8"
    & skf18("9","5","5","2","7","3","1") = "8"
    & skf18("9","5","5","2","7","4","1") = "8"
    & skf18("9","5","5","2","7","5","1") = "8"
    & skf18("9","5","5","2","7","6","1") = "8"
    & skf18("9","5","5","2","7","7","1") = "8"
    & skf18("9","5","5","2","7","8","1") = "8"
    & skf18("9","5","5","2","7","9","1") = "8"
    & skf18("9","5","5","2","7","10","1") = "9"
    & skf18("9","5","5","2","8","1","1") = "8"
    & skf18("9","5","5","2","8","2","1") = "8"
    & skf18("9","5","5","2","8","3","1") = "8"
    & skf18("9","5","5","2","8","4","1") = "8"
    & skf18("9","5","5","2","8","5","1") = "8"
    & skf18("9","5","5","2","8","6","1") = "8"
    & skf18("9","5","5","2","8","7","1") = "8"
    & skf18("9","5","5","2","8","8","1") = "8"
    & skf18("9","5","5","2","8","9","1") = "8"
    & skf18("9","5","5","2","8","10","1") = "9"
    & skf18("9","5","5","2","9","1","1") = "8"
    & skf18("9","5","5","2","9","2","1") = "8"
    & skf18("9","5","5","2","9","3","1") = "8"
    & skf18("9","5","5","2","9","4","1") = "8"
    & skf18("9","5","5","2","9","5","1") = "8"
    & skf18("9","5","5","2","9","6","1") = "8"
    & skf18("9","5","5","2","9","7","1") = "8"
    & skf18("9","5","5","2","9","8","1") = "8"
    & skf18("9","5","5","2","9","9","1") = "8"
    & skf18("9","5","5","2","9","10","1") = "9"
    & skf18("9","5","5","2","10","1","1") = "9"
    & skf18("9","5","5","2","10","2","1") = "9"
    & skf18("9","5","5","2","10","3","1") = "9"
    & skf18("9","5","5","2","10","4","1") = "9"
    & skf18("9","5","5","2","10","5","1") = "9"
    & skf18("9","5","5","2","10","6","1") = "9"
    & skf18("9","5","5","2","10","7","1") = "9"
    & skf18("9","5","5","2","10","8","1") = "9"
    & skf18("9","5","5","2","10","9","1") = "9"
    & skf18("9","5","5","2","10","10","1") = "9"
    & skf18("9","5","5","3","1","1","1") = "8"
    & skf18("9","5","5","3","1","2","1") = "8"
    & skf18("9","5","5","3","1","3","1") = "8"
    & skf18("9","5","5","3","1","4","1") = "8"
    & skf18("9","5","5","3","1","5","1") = "8"
    & skf18("9","5","5","3","1","6","1") = "8"
    & skf18("9","5","5","3","1","7","1") = "8"
    & skf18("9","5","5","3","1","8","1") = "8"
    & skf18("9","5","5","3","1","9","1") = "8"
    & skf18("9","5","5","3","1","10","1") = "9"
    & skf18("9","5","5","3","2","1","1") = "8"
    & skf18("9","5","5","3","2","2","1") = "8"
    & skf18("9","5","5","3","2","3","1") = "8"
    & skf18("9","5","5","3","2","4","1") = "8"
    & skf18("9","5","5","3","2","5","1") = "8"
    & skf18("9","5","5","3","2","6","1") = "8"
    & skf18("9","5","5","3","2","7","1") = "8"
    & skf18("9","5","5","3","2","8","1") = "8"
    & skf18("9","5","5","3","2","9","1") = "8"
    & skf18("9","5","5","3","2","10","1") = "9"
    & skf18("9","5","5","3","3","1","1") = "8"
    & skf18("9","5","5","3","3","2","1") = "8"
    & skf18("9","5","5","3","3","3","1") = "8"
    & skf18("9","5","5","3","3","4","1") = "8"
    & skf18("9","5","5","3","3","5","1") = "8"
    & skf18("9","5","5","3","3","6","1") = "8"
    & skf18("9","5","5","3","3","7","1") = "8"
    & skf18("9","5","5","3","3","8","1") = "8"
    & skf18("9","5","5","3","3","9","1") = "8"
    & skf18("9","5","5","3","3","10","1") = "9"
    & skf18("9","5","5","3","4","1","1") = "8"
    & skf18("9","5","5","3","4","2","1") = "8"
    & skf18("9","5","5","3","4","3","1") = "8"
    & skf18("9","5","5","3","4","4","1") = "8"
    & skf18("9","5","5","3","4","5","1") = "8"
    & skf18("9","5","5","3","4","6","1") = "8"
    & skf18("9","5","5","3","4","7","1") = "8"
    & skf18("9","5","5","3","4","8","1") = "8"
    & skf18("9","5","5","3","4","9","1") = "8"
    & skf18("9","5","5","3","4","10","1") = "9"
    & skf18("9","5","5","3","5","1","1") = "8"
    & skf18("9","5","5","3","5","2","1") = "8"
    & skf18("9","5","5","3","5","3","1") = "8"
    & skf18("9","5","5","3","5","4","1") = "8"
    & skf18("9","5","5","3","5","5","1") = "8"
    & skf18("9","5","5","3","5","6","1") = "8"
    & skf18("9","5","5","3","5","7","1") = "8"
    & skf18("9","5","5","3","5","8","1") = "8"
    & skf18("9","5","5","3","5","9","1") = "8"
    & skf18("9","5","5","3","5","10","1") = "9"
    & skf18("9","5","5","3","6","1","1") = "8"
    & skf18("9","5","5","3","6","2","1") = "8"
    & skf18("9","5","5","3","6","3","1") = "8"
    & skf18("9","5","5","3","6","4","1") = "8"
    & skf18("9","5","5","3","6","5","1") = "8"
    & skf18("9","5","5","3","6","6","1") = "8"
    & skf18("9","5","5","3","6","7","1") = "8"
    & skf18("9","5","5","3","6","8","1") = "8"
    & skf18("9","5","5","3","6","9","1") = "8"
    & skf18("9","5","5","3","6","10","1") = "9"
    & skf18("9","5","5","3","7","1","1") = "8"
    & skf18("9","5","5","3","7","2","1") = "8"
    & skf18("9","5","5","3","7","3","1") = "8"
    & skf18("9","5","5","3","7","4","1") = "8"
    & skf18("9","5","5","3","7","5","1") = "8"
    & skf18("9","5","5","3","7","6","1") = "8"
    & skf18("9","5","5","3","7","7","1") = "8"
    & skf18("9","5","5","3","7","8","1") = "8"
    & skf18("9","5","5","3","7","9","1") = "8"
    & skf18("9","5","5","3","7","10","1") = "9"
    & skf18("9","5","5","3","8","1","1") = "8"
    & skf18("9","5","5","3","8","2","1") = "8"
    & skf18("9","5","5","3","8","3","1") = "8"
    & skf18("9","5","5","3","8","4","1") = "8"
    & skf18("9","5","5","3","8","5","1") = "8"
    & skf18("9","5","5","3","8","6","1") = "8"
    & skf18("9","5","5","3","8","7","1") = "8"
    & skf18("9","5","5","3","8","8","1") = "8"
    & skf18("9","5","5","3","8","9","1") = "8"
    & skf18("9","5","5","3","8","10","1") = "9"
    & skf18("9","5","5","3","9","1","1") = "8"
    & skf18("9","5","5","3","9","2","1") = "8"
    & skf18("9","5","5","3","9","3","1") = "8"
    & skf18("9","5","5","3","9","4","1") = "8"
    & skf18("9","5","5","3","9","5","1") = "8"
    & skf18("9","5","5","3","9","6","1") = "8"
    & skf18("9","5","5","3","9","7","1") = "8"
    & skf18("9","5","5","3","9","8","1") = "8"
    & skf18("9","5","5","3","9","9","1") = "8"
    & skf18("9","5","5","3","9","10","1") = "9"
    & skf18("9","5","5","3","10","1","1") = "9"
    & skf18("9","5","5","3","10","2","1") = "9"
    & skf18("9","5","5","3","10","3","1") = "9"
    & skf18("9","5","5","3","10","4","1") = "9"
    & skf18("9","5","5","3","10","5","1") = "9"
    & skf18("9","5","5","3","10","6","1") = "9"
    & skf18("9","5","5","3","10","7","1") = "9"
    & skf18("9","5","5","3","10","8","1") = "9"
    & skf18("9","5","5","3","10","9","1") = "9"
    & skf18("9","5","5","3","10","10","1") = "9"
    & skf18("9","5","5","4","1","1","1") = "8"
    & skf18("9","5","5","4","1","2","1") = "8"
    & skf18("9","5","5","4","1","3","1") = "8"
    & skf18("9","5","5","4","1","4","1") = "8"
    & skf18("9","5","5","4","1","5","1") = "8"
    & skf18("9","5","5","4","1","6","1") = "8"
    & skf18("9","5","5","4","1","7","1") = "8"
    & skf18("9","5","5","4","1","8","1") = "8"
    & skf18("9","5","5","4","1","9","1") = "8"
    & skf18("9","5","5","4","1","10","1") = "9"
    & skf18("9","5","5","4","2","1","1") = "8"
    & skf18("9","5","5","4","2","2","1") = "8"
    & skf18("9","5","5","4","2","3","1") = "8"
    & skf18("9","5","5","4","2","4","1") = "8"
    & skf18("9","5","5","4","2","5","1") = "8"
    & skf18("9","5","5","4","2","6","1") = "8"
    & skf18("9","5","5","4","2","7","1") = "8"
    & skf18("9","5","5","4","2","8","1") = "8"
    & skf18("9","5","5","4","2","9","1") = "8"
    & skf18("9","5","5","4","2","10","1") = "9"
    & skf18("9","5","5","4","3","1","1") = "8"
    & skf18("9","5","5","4","3","2","1") = "8"
    & skf18("9","5","5","4","3","3","1") = "8"
    & skf18("9","5","5","4","3","4","1") = "8"
    & skf18("9","5","5","4","3","5","1") = "8"
    & skf18("9","5","5","4","3","6","1") = "8"
    & skf18("9","5","5","4","3","7","1") = "8"
    & skf18("9","5","5","4","3","8","1") = "8"
    & skf18("9","5","5","4","3","9","1") = "8"
    & skf18("9","5","5","4","3","10","1") = "9"
    & skf18("9","5","5","4","4","1","1") = "8"
    & skf18("9","5","5","4","4","2","1") = "8"
    & skf18("9","5","5","4","4","3","1") = "8"
    & skf18("9","5","5","4","4","4","1") = "8"
    & skf18("9","5","5","4","4","5","1") = "8"
    & skf18("9","5","5","4","4","6","1") = "8"
    & skf18("9","5","5","4","4","7","1") = "8"
    & skf18("9","5","5","4","4","8","1") = "8"
    & skf18("9","5","5","4","4","9","1") = "8"
    & skf18("9","5","5","4","4","10","1") = "9"
    & skf18("9","5","5","4","5","1","1") = "8"
    & skf18("9","5","5","4","5","2","1") = "8"
    & skf18("9","5","5","4","5","3","1") = "8"
    & skf18("9","5","5","4","5","4","1") = "8"
    & skf18("9","5","5","4","5","5","1") = "8"
    & skf18("9","5","5","4","5","6","1") = "8"
    & skf18("9","5","5","4","5","7","1") = "8"
    & skf18("9","5","5","4","5","8","1") = "8"
    & skf18("9","5","5","4","5","9","1") = "8"
    & skf18("9","5","5","4","5","10","1") = "9"
    & skf18("9","5","5","4","6","1","1") = "8"
    & skf18("9","5","5","4","6","2","1") = "8"
    & skf18("9","5","5","4","6","3","1") = "8"
    & skf18("9","5","5","4","6","4","1") = "8"
    & skf18("9","5","5","4","6","5","1") = "8"
    & skf18("9","5","5","4","6","6","1") = "8"
    & skf18("9","5","5","4","6","7","1") = "8"
    & skf18("9","5","5","4","6","8","1") = "8"
    & skf18("9","5","5","4","6","9","1") = "8"
    & skf18("9","5","5","4","6","10","1") = "9"
    & skf18("9","5","5","4","7","1","1") = "8"
    & skf18("9","5","5","4","7","2","1") = "8"
    & skf18("9","5","5","4","7","3","1") = "8"
    & skf18("9","5","5","4","7","4","1") = "8"
    & skf18("9","5","5","4","7","5","1") = "8"
    & skf18("9","5","5","4","7","6","1") = "8"
    & skf18("9","5","5","4","7","7","1") = "8"
    & skf18("9","5","5","4","7","8","1") = "8"
    & skf18("9","5","5","4","7","9","1") = "8"
    & skf18("9","5","5","4","7","10","1") = "9"
    & skf18("9","5","5","4","8","1","1") = "8"
    & skf18("9","5","5","4","8","2","1") = "8"
    & skf18("9","5","5","4","8","3","1") = "8"
    & skf18("9","5","5","4","8","4","1") = "8"
    & skf18("9","5","5","4","8","5","1") = "8"
    & skf18("9","5","5","4","8","6","1") = "8"
    & skf18("9","5","5","4","8","7","1") = "8"
    & skf18("9","5","5","4","8","8","1") = "8"
    & skf18("9","5","5","4","8","9","1") = "8"
    & skf18("9","5","5","4","8","10","1") = "9"
    & skf18("9","5","5","4","9","1","1") = "8"
    & skf18("9","5","5","4","9","2","1") = "8"
    & skf18("9","5","5","4","9","3","1") = "8"
    & skf18("9","5","5","4","9","4","1") = "8"
    & skf18("9","5","5","4","9","5","1") = "8"
    & skf18("9","5","5","4","9","6","1") = "8"
    & skf18("9","5","5","4","9","7","1") = "8"
    & skf18("9","5","5","4","9","8","1") = "8"
    & skf18("9","5","5","4","9","9","1") = "8"
    & skf18("9","5","5","4","9","10","1") = "9"
    & skf18("9","5","5","4","10","1","1") = "9"
    & skf18("9","5","5","4","10","2","1") = "9"
    & skf18("9","5","5","4","10","3","1") = "9"
    & skf18("9","5","5","4","10","4","1") = "9"
    & skf18("9","5","5","4","10","5","1") = "9"
    & skf18("9","5","5","4","10","6","1") = "9"
    & skf18("9","5","5","4","10","7","1") = "9"
    & skf18("9","5","5","4","10","8","1") = "9"
    & skf18("9","5","5","4","10","9","1") = "9"
    & skf18("9","5","5","4","10","10","1") = "9"
    & skf18("9","5","5","5","1","1","1") = "8"
    & skf18("9","5","5","5","1","2","1") = "8"
    & skf18("9","5","5","5","1","3","1") = "8"
    & skf18("9","5","5","5","1","4","1") = "8"
    & skf18("9","5","5","5","1","5","1") = "8"
    & skf18("9","5","5","5","1","6","1") = "8"
    & skf18("9","5","5","5","1","7","1") = "8"
    & skf18("9","5","5","5","1","8","1") = "8"
    & skf18("9","5","5","5","1","9","1") = "8"
    & skf18("9","5","5","5","1","10","1") = "9"
    & skf18("9","5","5","5","2","1","1") = "8"
    & skf18("9","5","5","5","2","2","1") = "8"
    & skf18("9","5","5","5","2","3","1") = "8"
    & skf18("9","5","5","5","2","4","1") = "8"
    & skf18("9","5","5","5","2","5","1") = "8"
    & skf18("9","5","5","5","2","6","1") = "8"
    & skf18("9","5","5","5","2","7","1") = "8"
    & skf18("9","5","5","5","2","8","1") = "8"
    & skf18("9","5","5","5","2","9","1") = "8"
    & skf18("9","5","5","5","2","10","1") = "9"
    & skf18("9","5","5","5","3","1","1") = "8"
    & skf18("9","5","5","5","3","2","1") = "8"
    & skf18("9","5","5","5","3","3","1") = "8"
    & skf18("9","5","5","5","3","4","1") = "8"
    & skf18("9","5","5","5","3","5","1") = "8"
    & skf18("9","5","5","5","3","6","1") = "8"
    & skf18("9","5","5","5","3","7","1") = "8"
    & skf18("9","5","5","5","3","8","1") = "8"
    & skf18("9","5","5","5","3","9","1") = "8"
    & skf18("9","5","5","5","3","10","1") = "9"
    & skf18("9","5","5","5","4","1","1") = "8"
    & skf18("9","5","5","5","4","2","1") = "8"
    & skf18("9","5","5","5","4","3","1") = "8"
    & skf18("9","5","5","5","4","4","1") = "8"
    & skf18("9","5","5","5","4","5","1") = "8"
    & skf18("9","5","5","5","4","6","1") = "8"
    & skf18("9","5","5","5","4","7","1") = "8"
    & skf18("9","5","5","5","4","8","1") = "8"
    & skf18("9","5","5","5","4","9","1") = "8"
    & skf18("9","5","5","5","4","10","1") = "9"
    & skf18("9","5","5","5","5","1","1") = "8"
    & skf18("9","5","5","5","5","2","1") = "8"
    & skf18("9","5","5","5","5","3","1") = "8"
    & skf18("9","5","5","5","5","4","1") = "8"
    & skf18("9","5","5","5","5","5","1") = "8"
    & skf18("9","5","5","5","5","6","1") = "8"
    & skf18("9","5","5","5","5","7","1") = "8"
    & skf18("9","5","5","5","5","8","1") = "8"
    & skf18("9","5","5","5","5","9","1") = "8"
    & skf18("9","5","5","5","5","10","1") = "9"
    & skf18("9","5","5","5","6","1","1") = "8"
    & skf18("9","5","5","5","6","2","1") = "8"
    & skf18("9","5","5","5","6","3","1") = "8"
    & skf18("9","5","5","5","6","4","1") = "8"
    & skf18("9","5","5","5","6","5","1") = "8"
    & skf18("9","5","5","5","6","6","1") = "8"
    & skf18("9","5","5","5","6","7","1") = "8"
    & skf18("9","5","5","5","6","8","1") = "8"
    & skf18("9","5","5","5","6","9","1") = "8"
    & skf18("9","5","5","5","6","10","1") = "9"
    & skf18("9","5","5","5","7","1","1") = "8"
    & skf18("9","5","5","5","7","2","1") = "8"
    & skf18("9","5","5","5","7","3","1") = "8"
    & skf18("9","5","5","5","7","4","1") = "8"
    & skf18("9","5","5","5","7","5","1") = "8"
    & skf18("9","5","5","5","7","6","1") = "8"
    & skf18("9","5","5","5","7","7","1") = "8"
    & skf18("9","5","5","5","7","8","1") = "8"
    & skf18("9","5","5","5","7","9","1") = "8"
    & skf18("9","5","5","5","7","10","1") = "9"
    & skf18("9","5","5","5","8","1","1") = "8"
    & skf18("9","5","5","5","8","2","1") = "8"
    & skf18("9","5","5","5","8","3","1") = "8"
    & skf18("9","5","5","5","8","4","1") = "8"
    & skf18("9","5","5","5","8","5","1") = "8"
    & skf18("9","5","5","5","8","6","1") = "8"
    & skf18("9","5","5","5","8","7","1") = "8"
    & skf18("9","5","5","5","8","8","1") = "8"
    & skf18("9","5","5","5","8","9","1") = "8"
    & skf18("9","5","5","5","8","10","1") = "9"
    & skf18("9","5","5","5","9","1","1") = "8"
    & skf18("9","5","5","5","9","2","1") = "8"
    & skf18("9","5","5","5","9","3","1") = "8"
    & skf18("9","5","5","5","9","4","1") = "8"
    & skf18("9","5","5","5","9","5","1") = "8"
    & skf18("9","5","5","5","9","6","1") = "8"
    & skf18("9","5","5","5","9","7","1") = "8"
    & skf18("9","5","5","5","9","8","1") = "8"
    & skf18("9","5","5","5","9","9","1") = "8"
    & skf18("9","5","5","5","9","10","1") = "9"
    & skf18("9","5","5","5","10","1","1") = "9"
    & skf18("9","5","5","5","10","2","1") = "9"
    & skf18("9","5","5","5","10","3","1") = "9"
    & skf18("9","5","5","5","10","4","1") = "9"
    & skf18("9","5","5","5","10","5","1") = "9"
    & skf18("9","5","5","5","10","6","1") = "9"
    & skf18("9","5","5","5","10","7","1") = "9"
    & skf18("9","5","5","5","10","8","1") = "9"
    & skf18("9","5","5","5","10","9","1") = "9"
    & skf18("9","5","5","5","10","10","1") = "9"
    & skf18("9","5","5","6","1","1","1") = "8"
    & skf18("9","5","5","6","1","2","1") = "8"
    & skf18("9","5","5","6","1","3","1") = "8"
    & skf18("9","5","5","6","1","4","1") = "8"
    & skf18("9","5","5","6","1","5","1") = "8"
    & skf18("9","5","5","6","1","6","1") = "8"
    & skf18("9","5","5","6","1","7","1") = "8"
    & skf18("9","5","5","6","1","8","1") = "8"
    & skf18("9","5","5","6","1","9","1") = "8"
    & skf18("9","5","5","6","1","10","1") = "9"
    & skf18("9","5","5","6","2","1","1") = "8"
    & skf18("9","5","5","6","2","2","1") = "8"
    & skf18("9","5","5","6","2","3","1") = "8"
    & skf18("9","5","5","6","2","4","1") = "8"
    & skf18("9","5","5","6","2","5","1") = "8"
    & skf18("9","5","5","6","2","6","1") = "8"
    & skf18("9","5","5","6","2","7","1") = "8"
    & skf18("9","5","5","6","2","8","1") = "8"
    & skf18("9","5","5","6","2","9","1") = "8"
    & skf18("9","5","5","6","2","10","1") = "9"
    & skf18("9","5","5","6","3","1","1") = "8"
    & skf18("9","5","5","6","3","2","1") = "8"
    & skf18("9","5","5","6","3","3","1") = "8"
    & skf18("9","5","5","6","3","4","1") = "8"
    & skf18("9","5","5","6","3","5","1") = "8"
    & skf18("9","5","5","6","3","6","1") = "8"
    & skf18("9","5","5","6","3","7","1") = "8"
    & skf18("9","5","5","6","3","8","1") = "8"
    & skf18("9","5","5","6","3","9","1") = "8"
    & skf18("9","5","5","6","3","10","1") = "9"
    & skf18("9","5","5","6","4","1","1") = "8"
    & skf18("9","5","5","6","4","2","1") = "8"
    & skf18("9","5","5","6","4","3","1") = "8"
    & skf18("9","5","5","6","4","4","1") = "8"
    & skf18("9","5","5","6","4","5","1") = "8"
    & skf18("9","5","5","6","4","6","1") = "8"
    & skf18("9","5","5","6","4","7","1") = "8"
    & skf18("9","5","5","6","4","8","1") = "8"
    & skf18("9","5","5","6","4","9","1") = "8"
    & skf18("9","5","5","6","4","10","1") = "9"
    & skf18("9","5","5","6","5","1","1") = "8"
    & skf18("9","5","5","6","5","2","1") = "8"
    & skf18("9","5","5","6","5","3","1") = "8"
    & skf18("9","5","5","6","5","4","1") = "8"
    & skf18("9","5","5","6","5","5","1") = "8"
    & skf18("9","5","5","6","5","6","1") = "8"
    & skf18("9","5","5","6","5","7","1") = "8"
    & skf18("9","5","5","6","5","8","1") = "8"
    & skf18("9","5","5","6","5","9","1") = "8"
    & skf18("9","5","5","6","5","10","1") = "9"
    & skf18("9","5","5","6","6","1","1") = "8"
    & skf18("9","5","5","6","6","2","1") = "8"
    & skf18("9","5","5","6","6","3","1") = "8"
    & skf18("9","5","5","6","6","4","1") = "8"
    & skf18("9","5","5","6","6","5","1") = "8"
    & skf18("9","5","5","6","6","6","1") = "8"
    & skf18("9","5","5","6","6","7","1") = "8"
    & skf18("9","5","5","6","6","8","1") = "8"
    & skf18("9","5","5","6","6","9","1") = "8"
    & skf18("9","5","5","6","6","10","1") = "9"
    & skf18("9","5","5","6","7","1","1") = "8"
    & skf18("9","5","5","6","7","2","1") = "8"
    & skf18("9","5","5","6","7","3","1") = "8"
    & skf18("9","5","5","6","7","4","1") = "8"
    & skf18("9","5","5","6","7","5","1") = "8"
    & skf18("9","5","5","6","7","6","1") = "8"
    & skf18("9","5","5","6","7","7","1") = "8"
    & skf18("9","5","5","6","7","8","1") = "8"
    & skf18("9","5","5","6","7","9","1") = "8"
    & skf18("9","5","5","6","7","10","1") = "9"
    & skf18("9","5","5","6","8","1","1") = "8"
    & skf18("9","5","5","6","8","2","1") = "8"
    & skf18("9","5","5","6","8","3","1") = "8"
    & skf18("9","5","5","6","8","4","1") = "8"
    & skf18("9","5","5","6","8","5","1") = "8"
    & skf18("9","5","5","6","8","6","1") = "8"
    & skf18("9","5","5","6","8","7","1") = "8"
    & skf18("9","5","5","6","8","8","1") = "8"
    & skf18("9","5","5","6","8","9","1") = "8"
    & skf18("9","5","5","6","8","10","1") = "9"
    & skf18("9","5","5","6","9","1","1") = "8"
    & skf18("9","5","5","6","9","2","1") = "8"
    & skf18("9","5","5","6","9","3","1") = "8"
    & skf18("9","5","5","6","9","4","1") = "8"
    & skf18("9","5","5","6","9","5","1") = "8"
    & skf18("9","5","5","6","9","6","1") = "8"
    & skf18("9","5","5","6","9","7","1") = "8"
    & skf18("9","5","5","6","9","8","1") = "8"
    & skf18("9","5","5","6","9","9","1") = "8"
    & skf18("9","5","5","6","9","10","1") = "9"
    & skf18("9","5","5","6","10","1","1") = "9"
    & skf18("9","5","5","6","10","2","1") = "9"
    & skf18("9","5","5","6","10","3","1") = "9"
    & skf18("9","5","5","6","10","4","1") = "9"
    & skf18("9","5","5","6","10","5","1") = "9"
    & skf18("9","5","5","6","10","6","1") = "9"
    & skf18("9","5","5","6","10","7","1") = "9"
    & skf18("9","5","5","6","10","8","1") = "9"
    & skf18("9","5","5","6","10","9","1") = "9"
    & skf18("9","5","5","6","10","10","1") = "9"
    & skf18("9","5","5","7","1","1","1") = "8"
    & skf18("9","5","5","7","1","2","1") = "8"
    & skf18("9","5","5","7","1","3","1") = "8"
    & skf18("9","5","5","7","1","4","1") = "8"
    & skf18("9","5","5","7","1","5","1") = "8"
    & skf18("9","5","5","7","1","6","1") = "8"
    & skf18("9","5","5","7","1","7","1") = "8"
    & skf18("9","5","5","7","1","8","1") = "8"
    & skf18("9","5","5","7","1","9","1") = "8"
    & skf18("9","5","5","7","1","10","1") = "9"
    & skf18("9","5","5","7","2","1","1") = "8"
    & skf18("9","5","5","7","2","2","1") = "8"
    & skf18("9","5","5","7","2","3","1") = "8"
    & skf18("9","5","5","7","2","4","1") = "8"
    & skf18("9","5","5","7","2","5","1") = "8"
    & skf18("9","5","5","7","2","6","1") = "8"
    & skf18("9","5","5","7","2","7","1") = "8"
    & skf18("9","5","5","7","2","8","1") = "8"
    & skf18("9","5","5","7","2","9","1") = "8"
    & skf18("9","5","5","7","2","10","1") = "9"
    & skf18("9","5","5","7","3","1","1") = "8"
    & skf18("9","5","5","7","3","2","1") = "8"
    & skf18("9","5","5","7","3","3","1") = "8"
    & skf18("9","5","5","7","3","4","1") = "8"
    & skf18("9","5","5","7","3","5","1") = "8"
    & skf18("9","5","5","7","3","6","1") = "8"
    & skf18("9","5","5","7","3","7","1") = "8"
    & skf18("9","5","5","7","3","8","1") = "8"
    & skf18("9","5","5","7","3","9","1") = "8"
    & skf18("9","5","5","7","3","10","1") = "9"
    & skf18("9","5","5","7","4","1","1") = "8"
    & skf18("9","5","5","7","4","2","1") = "8"
    & skf18("9","5","5","7","4","3","1") = "8"
    & skf18("9","5","5","7","4","4","1") = "8"
    & skf18("9","5","5","7","4","5","1") = "8"
    & skf18("9","5","5","7","4","6","1") = "8"
    & skf18("9","5","5","7","4","7","1") = "8"
    & skf18("9","5","5","7","4","8","1") = "8"
    & skf18("9","5","5","7","4","9","1") = "8"
    & skf18("9","5","5","7","4","10","1") = "9"
    & skf18("9","5","5","7","5","1","1") = "8"
    & skf18("9","5","5","7","5","2","1") = "8"
    & skf18("9","5","5","7","5","3","1") = "8"
    & skf18("9","5","5","7","5","4","1") = "8"
    & skf18("9","5","5","7","5","5","1") = "8"
    & skf18("9","5","5","7","5","6","1") = "8"
    & skf18("9","5","5","7","5","7","1") = "8"
    & skf18("9","5","5","7","5","8","1") = "8"
    & skf18("9","5","5","7","5","9","1") = "8"
    & skf18("9","5","5","7","5","10","1") = "9"
    & skf18("9","5","5","7","6","1","1") = "8"
    & skf18("9","5","5","7","6","2","1") = "8"
    & skf18("9","5","5","7","6","3","1") = "8"
    & skf18("9","5","5","7","6","4","1") = "8"
    & skf18("9","5","5","7","6","5","1") = "8"
    & skf18("9","5","5","7","6","6","1") = "8"
    & skf18("9","5","5","7","6","7","1") = "8"
    & skf18("9","5","5","7","6","8","1") = "8"
    & skf18("9","5","5","7","6","9","1") = "8"
    & skf18("9","5","5","7","6","10","1") = "9"
    & skf18("9","5","5","7","7","1","1") = "8"
    & skf18("9","5","5","7","7","2","1") = "8"
    & skf18("9","5","5","7","7","3","1") = "8"
    & skf18("9","5","5","7","7","4","1") = "8"
    & skf18("9","5","5","7","7","5","1") = "8"
    & skf18("9","5","5","7","7","6","1") = "8"
    & skf18("9","5","5","7","7","7","1") = "8"
    & skf18("9","5","5","7","7","8","1") = "8"
    & skf18("9","5","5","7","7","9","1") = "8"
    & skf18("9","5","5","7","7","10","1") = "9"
    & skf18("9","5","5","7","8","1","1") = "8"
    & skf18("9","5","5","7","8","2","1") = "8"
    & skf18("9","5","5","7","8","3","1") = "8"
    & skf18("9","5","5","7","8","4","1") = "8"
    & skf18("9","5","5","7","8","5","1") = "8"
    & skf18("9","5","5","7","8","6","1") = "8"
    & skf18("9","5","5","7","8","7","1") = "8"
    & skf18("9","5","5","7","8","8","1") = "8"
    & skf18("9","5","5","7","8","9","1") = "8"
    & skf18("9","5","5","7","8","10","1") = "9"
    & skf18("9","5","5","7","9","1","1") = "8"
    & skf18("9","5","5","7","9","2","1") = "8"
    & skf18("9","5","5","7","9","3","1") = "8"
    & skf18("9","5","5","7","9","4","1") = "8"
    & skf18("9","5","5","7","9","5","1") = "8"
    & skf18("9","5","5","7","9","6","1") = "8"
    & skf18("9","5","5","7","9","7","1") = "8"
    & skf18("9","5","5","7","9","8","1") = "8"
    & skf18("9","5","5","7","9","9","1") = "8"
    & skf18("9","5","5","7","9","10","1") = "9"
    & skf18("9","5","5","7","10","1","1") = "9"
    & skf18("9","5","5","7","10","2","1") = "9"
    & skf18("9","5","5","7","10","3","1") = "9"
    & skf18("9","5","5","7","10","4","1") = "9"
    & skf18("9","5","5","7","10","5","1") = "9"
    & skf18("9","5","5","7","10","6","1") = "9"
    & skf18("9","5","5","7","10","7","1") = "9"
    & skf18("9","5","5","7","10","8","1") = "9"
    & skf18("9","5","5","7","10","9","1") = "9"
    & skf18("9","5","5","7","10","10","1") = "9"
    & skf18("9","5","5","8","1","1","1") = "8"
    & skf18("9","5","5","8","1","2","1") = "8"
    & skf18("9","5","5","8","1","3","1") = "8"
    & skf18("9","5","5","8","1","4","1") = "8"
    & skf18("9","5","5","8","1","5","1") = "8"
    & skf18("9","5","5","8","1","6","1") = "8"
    & skf18("9","5","5","8","1","7","1") = "8"
    & skf18("9","5","5","8","1","8","1") = "8"
    & skf18("9","5","5","8","1","9","1") = "8"
    & skf18("9","5","5","8","1","10","1") = "9"
    & skf18("9","5","5","8","2","1","1") = "8"
    & skf18("9","5","5","8","2","2","1") = "8"
    & skf18("9","5","5","8","2","3","1") = "8"
    & skf18("9","5","5","8","2","4","1") = "8"
    & skf18("9","5","5","8","2","5","1") = "8"
    & skf18("9","5","5","8","2","6","1") = "8"
    & skf18("9","5","5","8","2","7","1") = "8"
    & skf18("9","5","5","8","2","8","1") = "8"
    & skf18("9","5","5","8","2","9","1") = "8"
    & skf18("9","5","5","8","2","10","1") = "9"
    & skf18("9","5","5","8","3","1","1") = "8"
    & skf18("9","5","5","8","3","2","1") = "8"
    & skf18("9","5","5","8","3","3","1") = "8"
    & skf18("9","5","5","8","3","4","1") = "8"
    & skf18("9","5","5","8","3","5","1") = "8"
    & skf18("9","5","5","8","3","6","1") = "8"
    & skf18("9","5","5","8","3","7","1") = "8"
    & skf18("9","5","5","8","3","8","1") = "8"
    & skf18("9","5","5","8","3","9","1") = "8"
    & skf18("9","5","5","8","3","10","1") = "9"
    & skf18("9","5","5","8","4","1","1") = "8"
    & skf18("9","5","5","8","4","2","1") = "8"
    & skf18("9","5","5","8","4","3","1") = "8"
    & skf18("9","5","5","8","4","4","1") = "8"
    & skf18("9","5","5","8","4","5","1") = "8"
    & skf18("9","5","5","8","4","6","1") = "8"
    & skf18("9","5","5","8","4","7","1") = "8"
    & skf18("9","5","5","8","4","8","1") = "8"
    & skf18("9","5","5","8","4","9","1") = "8"
    & skf18("9","5","5","8","4","10","1") = "9"
    & skf18("9","5","5","8","5","1","1") = "8"
    & skf18("9","5","5","8","5","2","1") = "8"
    & skf18("9","5","5","8","5","3","1") = "8"
    & skf18("9","5","5","8","5","4","1") = "8"
    & skf18("9","5","5","8","5","5","1") = "8"
    & skf18("9","5","5","8","5","6","1") = "8"
    & skf18("9","5","5","8","5","7","1") = "8"
    & skf18("9","5","5","8","5","8","1") = "8"
    & skf18("9","5","5","8","5","9","1") = "8"
    & skf18("9","5","5","8","5","10","1") = "9"
    & skf18("9","5","5","8","6","1","1") = "8"
    & skf18("9","5","5","8","6","2","1") = "8"
    & skf18("9","5","5","8","6","3","1") = "8"
    & skf18("9","5","5","8","6","4","1") = "8"
    & skf18("9","5","5","8","6","5","1") = "8"
    & skf18("9","5","5","8","6","6","1") = "8"
    & skf18("9","5","5","8","6","7","1") = "8"
    & skf18("9","5","5","8","6","8","1") = "8"
    & skf18("9","5","5","8","6","9","1") = "8"
    & skf18("9","5","5","8","6","10","1") = "9"
    & skf18("9","5","5","8","7","1","1") = "8"
    & skf18("9","5","5","8","7","2","1") = "8"
    & skf18("9","5","5","8","7","3","1") = "8"
    & skf18("9","5","5","8","7","4","1") = "8"
    & skf18("9","5","5","8","7","5","1") = "8"
    & skf18("9","5","5","8","7","6","1") = "8"
    & skf18("9","5","5","8","7","7","1") = "8"
    & skf18("9","5","5","8","7","8","1") = "8"
    & skf18("9","5","5","8","7","9","1") = "8"
    & skf18("9","5","5","8","7","10","1") = "9"
    & skf18("9","5","5","8","8","1","1") = "8"
    & skf18("9","5","5","8","8","2","1") = "8"
    & skf18("9","5","5","8","8","3","1") = "8"
    & skf18("9","5","5","8","8","4","1") = "8"
    & skf18("9","5","5","8","8","5","1") = "8"
    & skf18("9","5","5","8","8","6","1") = "8"
    & skf18("9","5","5","8","8","7","1") = "8"
    & skf18("9","5","5","8","8","8","1") = "8"
    & skf18("9","5","5","8","8","9","1") = "8"
    & skf18("9","5","5","8","8","10","1") = "9"
    & skf18("9","5","5","8","9","1","1") = "8"
    & skf18("9","5","5","8","9","2","1") = "8"
    & skf18("9","5","5","8","9","3","1") = "8"
    & skf18("9","5","5","8","9","4","1") = "8"
    & skf18("9","5","5","8","9","5","1") = "8"
    & skf18("9","5","5","8","9","6","1") = "8"
    & skf18("9","5","5","8","9","7","1") = "8"
    & skf18("9","5","5","8","9","8","1") = "8"
    & skf18("9","5","5","8","9","9","1") = "8"
    & skf18("9","5","5","8","9","10","1") = "9"
    & skf18("9","5","5","8","10","1","1") = "9"
    & skf18("9","5","5","8","10","2","1") = "9"
    & skf18("9","5","5","8","10","3","1") = "9"
    & skf18("9","5","5","8","10","4","1") = "9"
    & skf18("9","5","5","8","10","5","1") = "9"
    & skf18("9","5","5","8","10","6","1") = "9"
    & skf18("9","5","5","8","10","7","1") = "9"
    & skf18("9","5","5","8","10","8","1") = "9"
    & skf18("9","5","5","8","10","9","1") = "9"
    & skf18("9","5","5","8","10","10","1") = "9"
    & skf18("9","5","5","9","1","1","1") = "8"
    & skf18("9","5","5","9","1","2","1") = "8"
    & skf18("9","5","5","9","1","3","1") = "8"
    & skf18("9","5","5","9","1","4","1") = "8"
    & skf18("9","5","5","9","1","5","1") = "8"
    & skf18("9","5","5","9","1","6","1") = "8"
    & skf18("9","5","5","9","1","7","1") = "8"
    & skf18("9","5","5","9","1","8","1") = "8"
    & skf18("9","5","5","9","1","9","1") = "8"
    & skf18("9","5","5","9","1","10","1") = "9"
    & skf18("9","5","5","9","2","1","1") = "8"
    & skf18("9","5","5","9","2","2","1") = "8"
    & skf18("9","5","5","9","2","3","1") = "8"
    & skf18("9","5","5","9","2","4","1") = "8"
    & skf18("9","5","5","9","2","5","1") = "8"
    & skf18("9","5","5","9","2","6","1") = "8"
    & skf18("9","5","5","9","2","7","1") = "8"
    & skf18("9","5","5","9","2","8","1") = "8"
    & skf18("9","5","5","9","2","9","1") = "8"
    & skf18("9","5","5","9","2","10","1") = "9"
    & skf18("9","5","5","9","3","1","1") = "8"
    & skf18("9","5","5","9","3","2","1") = "8"
    & skf18("9","5","5","9","3","3","1") = "8"
    & skf18("9","5","5","9","3","4","1") = "8"
    & skf18("9","5","5","9","3","5","1") = "8"
    & skf18("9","5","5","9","3","6","1") = "8"
    & skf18("9","5","5","9","3","7","1") = "8"
    & skf18("9","5","5","9","3","8","1") = "8"
    & skf18("9","5","5","9","3","9","1") = "8"
    & skf18("9","5","5","9","3","10","1") = "9"
    & skf18("9","5","5","9","4","1","1") = "8"
    & skf18("9","5","5","9","4","2","1") = "8"
    & skf18("9","5","5","9","4","3","1") = "8"
    & skf18("9","5","5","9","4","4","1") = "8"
    & skf18("9","5","5","9","4","5","1") = "8"
    & skf18("9","5","5","9","4","6","1") = "8"
    & skf18("9","5","5","9","4","7","1") = "8"
    & skf18("9","5","5","9","4","8","1") = "8"
    & skf18("9","5","5","9","4","9","1") = "8"
    & skf18("9","5","5","9","4","10","1") = "9"
    & skf18("9","5","5","9","5","1","1") = "8"
    & skf18("9","5","5","9","5","2","1") = "8"
    & skf18("9","5","5","9","5","3","1") = "8"
    & skf18("9","5","5","9","5","4","1") = "8"
    & skf18("9","5","5","9","5","5","1") = "8"
    & skf18("9","5","5","9","5","6","1") = "8"
    & skf18("9","5","5","9","5","7","1") = "8"
    & skf18("9","5","5","9","5","8","1") = "8"
    & skf18("9","5","5","9","5","9","1") = "8"
    & skf18("9","5","5","9","5","10","1") = "9"
    & skf18("9","5","5","9","6","1","1") = "8"
    & skf18("9","5","5","9","6","2","1") = "8"
    & skf18("9","5","5","9","6","3","1") = "8"
    & skf18("9","5","5","9","6","4","1") = "8"
    & skf18("9","5","5","9","6","5","1") = "8"
    & skf18("9","5","5","9","6","6","1") = "8"
    & skf18("9","5","5","9","6","7","1") = "8"
    & skf18("9","5","5","9","6","8","1") = "8"
    & skf18("9","5","5","9","6","9","1") = "8"
    & skf18("9","5","5","9","6","10","1") = "9"
    & skf18("9","5","5","9","7","1","1") = "8"
    & skf18("9","5","5","9","7","2","1") = "8"
    & skf18("9","5","5","9","7","3","1") = "8"
    & skf18("9","5","5","9","7","4","1") = "8"
    & skf18("9","5","5","9","7","5","1") = "8"
    & skf18("9","5","5","9","7","6","1") = "8"
    & skf18("9","5","5","9","7","7","1") = "8"
    & skf18("9","5","5","9","7","8","1") = "8"
    & skf18("9","5","5","9","7","9","1") = "8"
    & skf18("9","5","5","9","7","10","1") = "9"
    & skf18("9","5","5","9","8","1","1") = "8"
    & skf18("9","5","5","9","8","2","1") = "8"
    & skf18("9","5","5","9","8","3","1") = "8"
    & skf18("9","5","5","9","8","4","1") = "8"
    & skf18("9","5","5","9","8","5","1") = "8"
    & skf18("9","5","5","9","8","6","1") = "8"
    & skf18("9","5","5","9","8","7","1") = "8"
    & skf18("9","5","5","9","8","8","1") = "8"
    & skf18("9","5","5","9","8","9","1") = "8"
    & skf18("9","5","5","9","8","10","1") = "9"
    & skf18("9","5","5","9","9","1","1") = "8"
    & skf18("9","5","5","9","9","2","1") = "8"
    & skf18("9","5","5","9","9","3","1") = "8"
    & skf18("9","5","5","9","9","4","1") = "8"
    & skf18("9","5","5","9","9","5","1") = "8"
    & skf18("9","5","5","9","9","6","1") = "8"
    & skf18("9","5","5","9","9","7","1") = "8"
    & skf18("9","5","5","9","9","8","1") = "8"
    & skf18("9","5","5","9","9","9","1") = "8"
    & skf18("9","5","5","9","9","10","1") = "9"
    & skf18("9","5","5","9","10","1","1") = "9"
    & skf18("9","5","5","9","10","2","1") = "9"
    & skf18("9","5","5","9","10","3","1") = "9"
    & skf18("9","5","5","9","10","4","1") = "9"
    & skf18("9","5","5","9","10","5","1") = "9"
    & skf18("9","5","5","9","10","6","1") = "9"
    & skf18("9","5","5","9","10","7","1") = "9"
    & skf18("9","5","5","9","10","8","1") = "9"
    & skf18("9","5","5","9","10","9","1") = "9"
    & skf18("9","5","5","9","10","10","1") = "9"
    & skf18("9","5","5","10","1","1","1") = "9"
    & skf18("9","5","5","10","1","2","1") = "9"
    & skf18("9","5","5","10","1","3","1") = "9"
    & skf18("9","5","5","10","1","4","1") = "9"
    & skf18("9","5","5","10","1","5","1") = "9"
    & skf18("9","5","5","10","1","6","1") = "9"
    & skf18("9","5","5","10","1","7","1") = "9"
    & skf18("9","5","5","10","1","8","1") = "9"
    & skf18("9","5","5","10","1","9","1") = "9"
    & skf18("9","5","5","10","1","10","1") = "9"
    & skf18("9","5","5","10","2","1","1") = "9"
    & skf18("9","5","5","10","2","2","1") = "9"
    & skf18("9","5","5","10","2","3","1") = "9"
    & skf18("9","5","5","10","2","4","1") = "9"
    & skf18("9","5","5","10","2","5","1") = "9"
    & skf18("9","5","5","10","2","6","1") = "9"
    & skf18("9","5","5","10","2","7","1") = "9"
    & skf18("9","5","5","10","2","8","1") = "9"
    & skf18("9","5","5","10","2","9","1") = "9"
    & skf18("9","5","5","10","2","10","1") = "9"
    & skf18("9","5","5","10","3","1","1") = "9"
    & skf18("9","5","5","10","3","2","1") = "9"
    & skf18("9","5","5","10","3","3","1") = "9"
    & skf18("9","5","5","10","3","4","1") = "9"
    & skf18("9","5","5","10","3","5","1") = "9"
    & skf18("9","5","5","10","3","6","1") = "9"
    & skf18("9","5","5","10","3","7","1") = "9"
    & skf18("9","5","5","10","3","8","1") = "9"
    & skf18("9","5","5","10","3","9","1") = "9"
    & skf18("9","5","5","10","3","10","1") = "9"
    & skf18("9","5","5","10","4","1","1") = "9"
    & skf18("9","5","5","10","4","2","1") = "9"
    & skf18("9","5","5","10","4","3","1") = "9"
    & skf18("9","5","5","10","4","4","1") = "9"
    & skf18("9","5","5","10","4","5","1") = "9"
    & skf18("9","5","5","10","4","6","1") = "9"
    & skf18("9","5","5","10","4","7","1") = "9"
    & skf18("9","5","5","10","4","8","1") = "9"
    & skf18("9","5","5","10","4","9","1") = "9"
    & skf18("9","5","5","10","4","10","1") = "9"
    & skf18("9","5","5","10","5","1","1") = "9"
    & skf18("9","5","5","10","5","2","1") = "9"
    & skf18("9","5","5","10","5","3","1") = "9"
    & skf18("9","5","5","10","5","4","1") = "9"
    & skf18("9","5","5","10","5","5","1") = "9"
    & skf18("9","5","5","10","5","6","1") = "9"
    & skf18("9","5","5","10","5","7","1") = "9"
    & skf18("9","5","5","10","5","8","1") = "9"
    & skf18("9","5","5","10","5","9","1") = "9"
    & skf18("9","5","5","10","5","10","1") = "9"
    & skf18("9","5","5","10","6","1","1") = "9"
    & skf18("9","5","5","10","6","2","1") = "9"
    & skf18("9","5","5","10","6","3","1") = "9"
    & skf18("9","5","5","10","6","4","1") = "9"
    & skf18("9","5","5","10","6","5","1") = "9"
    & skf18("9","5","5","10","6","6","1") = "9"
    & skf18("9","5","5","10","6","7","1") = "9"
    & skf18("9","5","5","10","6","8","1") = "9"
    & skf18("9","5","5","10","6","9","1") = "9"
    & skf18("9","5","5","10","6","10","1") = "9"
    & skf18("9","5","5","10","7","1","1") = "9"
    & skf18("9","5","5","10","7","2","1") = "9"
    & skf18("9","5","5","10","7","3","1") = "9"
    & skf18("9","5","5","10","7","4","1") = "9"
    & skf18("9","5","5","10","7","5","1") = "9"
    & skf18("9","5","5","10","7","6","1") = "9"
    & skf18("9","5","5","10","7","7","1") = "9"
    & skf18("9","5","5","10","7","8","1") = "9"
    & skf18("9","5","5","10","7","9","1") = "9"
    & skf18("9","5","5","10","7","10","1") = "9"
    & skf18("9","5","5","10","8","1","1") = "9"
    & skf18("9","5","5","10","8","2","1") = "9"
    & skf18("9","5","5","10","8","3","1") = "9"
    & skf18("9","5","5","10","8","4","1") = "9"
    & skf18("9","5","5","10","8","5","1") = "9"
    & skf18("9","5","5","10","8","6","1") = "9"
    & skf18("9","5","5","10","8","7","1") = "9"
    & skf18("9","5","5","10","8","8","1") = "9"
    & skf18("9","5","5","10","8","9","1") = "9"
    & skf18("9","5","5","10","8","10","1") = "9"
    & skf18("9","5","5","10","9","1","1") = "9"
    & skf18("9","5","5","10","9","2","1") = "9"
    & skf18("9","5","5","10","9","3","1") = "9"
    & skf18("9","5","5","10","9","4","1") = "9"
    & skf18("9","5","5","10","9","5","1") = "9"
    & skf18("9","5","5","10","9","6","1") = "9"
    & skf18("9","5","5","10","9","7","1") = "9"
    & skf18("9","5","5","10","9","8","1") = "9"
    & skf18("9","5","5","10","9","9","1") = "9"
    & skf18("9","5","5","10","9","10","1") = "9"
    & skf18("9","5","5","10","10","1","1") = "9"
    & skf18("9","5","5","10","10","2","1") = "9"
    & skf18("9","5","5","10","10","3","1") = "9"
    & skf18("9","5","5","10","10","4","1") = "9"
    & skf18("9","5","5","10","10","5","1") = "9"
    & skf18("9","5","5","10","10","6","1") = "9"
    & skf18("9","5","5","10","10","7","1") = "9"
    & skf18("9","5","5","10","10","8","1") = "9"
    & skf18("9","5","5","10","10","9","1") = "9"
    & skf18("9","5","5","10","10","10","1") = "9"
    & skf18("9","5","6","1","1","1","1") = "8"
    & skf18("9","5","6","1","1","2","1") = "8"
    & skf18("9","5","6","1","1","3","1") = "8"
    & skf18("9","5","6","1","1","4","1") = "8"
    & skf18("9","5","6","1","1","5","1") = "8"
    & skf18("9","5","6","1","1","6","1") = "8"
    & skf18("9","5","6","1","1","7","1") = "8"
    & skf18("9","5","6","1","1","8","1") = "8"
    & skf18("9","5","6","1","1","9","1") = "8"
    & skf18("9","5","6","1","1","10","1") = "9"
    & skf18("9","5","6","1","2","1","1") = "8"
    & skf18("9","5","6","1","2","2","1") = "8"
    & skf18("9","5","6","1","2","3","1") = "8"
    & skf18("9","5","6","1","2","4","1") = "8"
    & skf18("9","5","6","1","2","5","1") = "8"
    & skf18("9","5","6","1","2","6","1") = "8"
    & skf18("9","5","6","1","2","7","1") = "8"
    & skf18("9","5","6","1","2","8","1") = "8"
    & skf18("9","5","6","1","2","9","1") = "8"
    & skf18("9","5","6","1","2","10","1") = "9"
    & skf18("9","5","6","1","3","1","1") = "8"
    & skf18("9","5","6","1","3","2","1") = "8"
    & skf18("9","5","6","1","3","3","1") = "8"
    & skf18("9","5","6","1","3","4","1") = "8"
    & skf18("9","5","6","1","3","5","1") = "8"
    & skf18("9","5","6","1","3","6","1") = "8"
    & skf18("9","5","6","1","3","7","1") = "8"
    & skf18("9","5","6","1","3","8","1") = "8"
    & skf18("9","5","6","1","3","9","1") = "8"
    & skf18("9","5","6","1","3","10","1") = "9"
    & skf18("9","5","6","1","4","1","1") = "8"
    & skf18("9","5","6","1","4","2","1") = "8"
    & skf18("9","5","6","1","4","3","1") = "8"
    & skf18("9","5","6","1","4","4","1") = "8"
    & skf18("9","5","6","1","4","5","1") = "8"
    & skf18("9","5","6","1","4","6","1") = "8"
    & skf18("9","5","6","1","4","7","1") = "8"
    & skf18("9","5","6","1","4","8","1") = "8"
    & skf18("9","5","6","1","4","9","1") = "8"
    & skf18("9","5","6","1","4","10","1") = "9"
    & skf18("9","5","6","1","5","1","1") = "8"
    & skf18("9","5","6","1","5","2","1") = "8"
    & skf18("9","5","6","1","5","3","1") = "8"
    & skf18("9","5","6","1","5","4","1") = "8"
    & skf18("9","5","6","1","5","5","1") = "8"
    & skf18("9","5","6","1","5","6","1") = "8"
    & skf18("9","5","6","1","5","7","1") = "8"
    & skf18("9","5","6","1","5","8","1") = "8"
    & skf18("9","5","6","1","5","9","1") = "8"
    & skf18("9","5","6","1","5","10","1") = "9"
    & skf18("9","5","6","1","6","1","1") = "8"
    & skf18("9","5","6","1","6","2","1") = "8"
    & skf18("9","5","6","1","6","3","1") = "8"
    & skf18("9","5","6","1","6","4","1") = "8"
    & skf18("9","5","6","1","6","5","1") = "8"
    & skf18("9","5","6","1","6","6","1") = "8"
    & skf18("9","5","6","1","6","7","1") = "8"
    & skf18("9","5","6","1","6","8","1") = "8"
    & skf18("9","5","6","1","6","9","1") = "8"
    & skf18("9","5","6","1","6","10","1") = "9"
    & skf18("9","5","6","1","7","1","1") = "8"
    & skf18("9","5","6","1","7","2","1") = "8"
    & skf18("9","5","6","1","7","3","1") = "8"
    & skf18("9","5","6","1","7","4","1") = "8"
    & skf18("9","5","6","1","7","5","1") = "8"
    & skf18("9","5","6","1","7","6","1") = "8"
    & skf18("9","5","6","1","7","7","1") = "8"
    & skf18("9","5","6","1","7","8","1") = "8"
    & skf18("9","5","6","1","7","9","1") = "8"
    & skf18("9","5","6","1","7","10","1") = "9"
    & skf18("9","5","6","1","8","1","1") = "8"
    & skf18("9","5","6","1","8","2","1") = "8"
    & skf18("9","5","6","1","8","3","1") = "8"
    & skf18("9","5","6","1","8","4","1") = "8"
    & skf18("9","5","6","1","8","5","1") = "8"
    & skf18("9","5","6","1","8","6","1") = "8"
    & skf18("9","5","6","1","8","7","1") = "8"
    & skf18("9","5","6","1","8","8","1") = "8"
    & skf18("9","5","6","1","8","9","1") = "8"
    & skf18("9","5","6","1","8","10","1") = "9"
    & skf18("9","5","6","1","9","1","1") = "8"
    & skf18("9","5","6","1","9","2","1") = "8"
    & skf18("9","5","6","1","9","3","1") = "8"
    & skf18("9","5","6","1","9","4","1") = "8"
    & skf18("9","5","6","1","9","5","1") = "8"
    & skf18("9","5","6","1","9","6","1") = "8"
    & skf18("9","5","6","1","9","7","1") = "8"
    & skf18("9","5","6","1","9","8","1") = "8"
    & skf18("9","5","6","1","9","9","1") = "8"
    & skf18("9","5","6","1","9","10","1") = "9"
    & skf18("9","5","6","1","10","1","1") = "9"
    & skf18("9","5","6","1","10","2","1") = "9"
    & skf18("9","5","6","1","10","3","1") = "9"
    & skf18("9","5","6","1","10","4","1") = "9"
    & skf18("9","5","6","1","10","5","1") = "9"
    & skf18("9","5","6","1","10","6","1") = "9"
    & skf18("9","5","6","1","10","7","1") = "9"
    & skf18("9","5","6","1","10","8","1") = "9"
    & skf18("9","5","6","1","10","9","1") = "9"
    & skf18("9","5","6","1","10","10","1") = "9"
    & skf18("9","5","6","2","1","1","1") = "8"
    & skf18("9","5","6","2","1","2","1") = "8"
    & skf18("9","5","6","2","1","3","1") = "8"
    & skf18("9","5","6","2","1","4","1") = "8"
    & skf18("9","5","6","2","1","5","1") = "8"
    & skf18("9","5","6","2","1","6","1") = "8"
    & skf18("9","5","6","2","1","7","1") = "8"
    & skf18("9","5","6","2","1","8","1") = "8"
    & skf18("9","5","6","2","1","9","1") = "8"
    & skf18("9","5","6","2","1","10","1") = "9"
    & skf18("9","5","6","2","2","1","1") = "8"
    & skf18("9","5","6","2","2","2","1") = "8"
    & skf18("9","5","6","2","2","3","1") = "8"
    & skf18("9","5","6","2","2","4","1") = "8"
    & skf18("9","5","6","2","2","5","1") = "8"
    & skf18("9","5","6","2","2","6","1") = "8"
    & skf18("9","5","6","2","2","7","1") = "8"
    & skf18("9","5","6","2","2","8","1") = "8"
    & skf18("9","5","6","2","2","9","1") = "8"
    & skf18("9","5","6","2","2","10","1") = "9"
    & skf18("9","5","6","2","3","1","1") = "8"
    & skf18("9","5","6","2","3","2","1") = "8"
    & skf18("9","5","6","2","3","3","1") = "8"
    & skf18("9","5","6","2","3","4","1") = "8"
    & skf18("9","5","6","2","3","5","1") = "8"
    & skf18("9","5","6","2","3","6","1") = "8"
    & skf18("9","5","6","2","3","7","1") = "8"
    & skf18("9","5","6","2","3","8","1") = "8"
    & skf18("9","5","6","2","3","9","1") = "8"
    & skf18("9","5","6","2","3","10","1") = "9"
    & skf18("9","5","6","2","4","1","1") = "8"
    & skf18("9","5","6","2","4","2","1") = "8"
    & skf18("9","5","6","2","4","3","1") = "8"
    & skf18("9","5","6","2","4","4","1") = "8"
    & skf18("9","5","6","2","4","5","1") = "8"
    & skf18("9","5","6","2","4","6","1") = "8"
    & skf18("9","5","6","2","4","7","1") = "8"
    & skf18("9","5","6","2","4","8","1") = "8"
    & skf18("9","5","6","2","4","9","1") = "8"
    & skf18("9","5","6","2","4","10","1") = "9"
    & skf18("9","5","6","2","5","1","1") = "8"
    & skf18("9","5","6","2","5","2","1") = "8"
    & skf18("9","5","6","2","5","3","1") = "8"
    & skf18("9","5","6","2","5","4","1") = "8"
    & skf18("9","5","6","2","5","5","1") = "8"
    & skf18("9","5","6","2","5","6","1") = "8"
    & skf18("9","5","6","2","5","7","1") = "8"
    & skf18("9","5","6","2","5","8","1") = "8"
    & skf18("9","5","6","2","5","9","1") = "8"
    & skf18("9","5","6","2","5","10","1") = "9"
    & skf18("9","5","6","2","6","1","1") = "8"
    & skf18("9","5","6","2","6","2","1") = "8"
    & skf18("9","5","6","2","6","3","1") = "8"
    & skf18("9","5","6","2","6","4","1") = "8"
    & skf18("9","5","6","2","6","5","1") = "8"
    & skf18("9","5","6","2","6","6","1") = "8"
    & skf18("9","5","6","2","6","7","1") = "8"
    & skf18("9","5","6","2","6","8","1") = "8"
    & skf18("9","5","6","2","6","9","1") = "8"
    & skf18("9","5","6","2","6","10","1") = "9"
    & skf18("9","5","6","2","7","1","1") = "8"
    & skf18("9","5","6","2","7","2","1") = "8"
    & skf18("9","5","6","2","7","3","1") = "8"
    & skf18("9","5","6","2","7","4","1") = "8"
    & skf18("9","5","6","2","7","5","1") = "8"
    & skf18("9","5","6","2","7","6","1") = "8"
    & skf18("9","5","6","2","7","7","1") = "8"
    & skf18("9","5","6","2","7","8","1") = "8"
    & skf18("9","5","6","2","7","9","1") = "8"
    & skf18("9","5","6","2","7","10","1") = "9"
    & skf18("9","5","6","2","8","1","1") = "8"
    & skf18("9","5","6","2","8","2","1") = "8"
    & skf18("9","5","6","2","8","3","1") = "8"
    & skf18("9","5","6","2","8","4","1") = "8"
    & skf18("9","5","6","2","8","5","1") = "8"
    & skf18("9","5","6","2","8","6","1") = "8"
    & skf18("9","5","6","2","8","7","1") = "8"
    & skf18("9","5","6","2","8","8","1") = "8"
    & skf18("9","5","6","2","8","9","1") = "8"
    & skf18("9","5","6","2","8","10","1") = "9"
    & skf18("9","5","6","2","9","1","1") = "8"
    & skf18("9","5","6","2","9","2","1") = "8"
    & skf18("9","5","6","2","9","3","1") = "8"
    & skf18("9","5","6","2","9","4","1") = "8"
    & skf18("9","5","6","2","9","5","1") = "8"
    & skf18("9","5","6","2","9","6","1") = "8"
    & skf18("9","5","6","2","9","7","1") = "8"
    & skf18("9","5","6","2","9","8","1") = "8"
    & skf18("9","5","6","2","9","9","1") = "8"
    & skf18("9","5","6","2","9","10","1") = "9"
    & skf18("9","5","6","2","10","1","1") = "9"
    & skf18("9","5","6","2","10","2","1") = "9"
    & skf18("9","5","6","2","10","3","1") = "9"
    & skf18("9","5","6","2","10","4","1") = "9"
    & skf18("9","5","6","2","10","5","1") = "9"
    & skf18("9","5","6","2","10","6","1") = "9"
    & skf18("9","5","6","2","10","7","1") = "9"
    & skf18("9","5","6","2","10","8","1") = "9"
    & skf18("9","5","6","2","10","9","1") = "9"
    & skf18("9","5","6","2","10","10","1") = "9"
    & skf18("9","5","6","3","1","1","1") = "8"
    & skf18("9","5","6","3","1","2","1") = "8"
    & skf18("9","5","6","3","1","3","1") = "8"
    & skf18("9","5","6","3","1","4","1") = "8"
    & skf18("9","5","6","3","1","5","1") = "8"
    & skf18("9","5","6","3","1","6","1") = "8"
    & skf18("9","5","6","3","1","7","1") = "8"
    & skf18("9","5","6","3","1","8","1") = "8"
    & skf18("9","5","6","3","1","9","1") = "8"
    & skf18("9","5","6","3","1","10","1") = "9"
    & skf18("9","5","6","3","2","1","1") = "8"
    & skf18("9","5","6","3","2","2","1") = "8"
    & skf18("9","5","6","3","2","3","1") = "8"
    & skf18("9","5","6","3","2","4","1") = "8"
    & skf18("9","5","6","3","2","5","1") = "8"
    & skf18("9","5","6","3","2","6","1") = "8"
    & skf18("9","5","6","3","2","7","1") = "8"
    & skf18("9","5","6","3","2","8","1") = "8"
    & skf18("9","5","6","3","2","9","1") = "8"
    & skf18("9","5","6","3","2","10","1") = "9"
    & skf18("9","5","6","3","3","1","1") = "8"
    & skf18("9","5","6","3","3","2","1") = "8"
    & skf18("9","5","6","3","3","3","1") = "8"
    & skf18("9","5","6","3","3","4","1") = "8"
    & skf18("9","5","6","3","3","5","1") = "8"
    & skf18("9","5","6","3","3","6","1") = "8"
    & skf18("9","5","6","3","3","7","1") = "8"
    & skf18("9","5","6","3","3","8","1") = "8"
    & skf18("9","5","6","3","3","9","1") = "8"
    & skf18("9","5","6","3","3","10","1") = "9"
    & skf18("9","5","6","3","4","1","1") = "8"
    & skf18("9","5","6","3","4","2","1") = "8"
    & skf18("9","5","6","3","4","3","1") = "8"
    & skf18("9","5","6","3","4","4","1") = "8"
    & skf18("9","5","6","3","4","5","1") = "8"
    & skf18("9","5","6","3","4","6","1") = "8"
    & skf18("9","5","6","3","4","7","1") = "8"
    & skf18("9","5","6","3","4","8","1") = "8"
    & skf18("9","5","6","3","4","9","1") = "8"
    & skf18("9","5","6","3","4","10","1") = "9"
    & skf18("9","5","6","3","5","1","1") = "8"
    & skf18("9","5","6","3","5","2","1") = "8"
    & skf18("9","5","6","3","5","3","1") = "8"
    & skf18("9","5","6","3","5","4","1") = "8"
    & skf18("9","5","6","3","5","5","1") = "8"
    & skf18("9","5","6","3","5","6","1") = "8"
    & skf18("9","5","6","3","5","7","1") = "8"
    & skf18("9","5","6","3","5","8","1") = "8"
    & skf18("9","5","6","3","5","9","1") = "8"
    & skf18("9","5","6","3","5","10","1") = "9"
    & skf18("9","5","6","3","6","1","1") = "8"
    & skf18("9","5","6","3","6","2","1") = "8"
    & skf18("9","5","6","3","6","3","1") = "8"
    & skf18("9","5","6","3","6","4","1") = "8"
    & skf18("9","5","6","3","6","5","1") = "8"
    & skf18("9","5","6","3","6","6","1") = "8"
    & skf18("9","5","6","3","6","7","1") = "8"
    & skf18("9","5","6","3","6","8","1") = "8"
    & skf18("9","5","6","3","6","9","1") = "8"
    & skf18("9","5","6","3","6","10","1") = "9"
    & skf18("9","5","6","3","7","1","1") = "8"
    & skf18("9","5","6","3","7","2","1") = "8"
    & skf18("9","5","6","3","7","3","1") = "8"
    & skf18("9","5","6","3","7","4","1") = "8"
    & skf18("9","5","6","3","7","5","1") = "8"
    & skf18("9","5","6","3","7","6","1") = "8"
    & skf18("9","5","6","3","7","7","1") = "8"
    & skf18("9","5","6","3","7","8","1") = "8"
    & skf18("9","5","6","3","7","9","1") = "8"
    & skf18("9","5","6","3","7","10","1") = "9"
    & skf18("9","5","6","3","8","1","1") = "8"
    & skf18("9","5","6","3","8","2","1") = "8"
    & skf18("9","5","6","3","8","3","1") = "8"
    & skf18("9","5","6","3","8","4","1") = "8"
    & skf18("9","5","6","3","8","5","1") = "8"
    & skf18("9","5","6","3","8","6","1") = "8"
    & skf18("9","5","6","3","8","7","1") = "8"
    & skf18("9","5","6","3","8","8","1") = "8"
    & skf18("9","5","6","3","8","9","1") = "8"
    & skf18("9","5","6","3","8","10","1") = "9"
    & skf18("9","5","6","3","9","1","1") = "8"
    & skf18("9","5","6","3","9","2","1") = "8"
    & skf18("9","5","6","3","9","3","1") = "8"
    & skf18("9","5","6","3","9","4","1") = "8"
    & skf18("9","5","6","3","9","5","1") = "8"
    & skf18("9","5","6","3","9","6","1") = "8"
    & skf18("9","5","6","3","9","7","1") = "8"
    & skf18("9","5","6","3","9","8","1") = "8"
    & skf18("9","5","6","3","9","9","1") = "8"
    & skf18("9","5","6","3","9","10","1") = "9"
    & skf18("9","5","6","3","10","1","1") = "9"
    & skf18("9","5","6","3","10","2","1") = "9"
    & skf18("9","5","6","3","10","3","1") = "9"
    & skf18("9","5","6","3","10","4","1") = "9"
    & skf18("9","5","6","3","10","5","1") = "9"
    & skf18("9","5","6","3","10","6","1") = "9"
    & skf18("9","5","6","3","10","7","1") = "9"
    & skf18("9","5","6","3","10","8","1") = "9"
    & skf18("9","5","6","3","10","9","1") = "9"
    & skf18("9","5","6","3","10","10","1") = "9"
    & skf18("9","5","6","4","1","1","1") = "8"
    & skf18("9","5","6","4","1","2","1") = "8"
    & skf18("9","5","6","4","1","3","1") = "8"
    & skf18("9","5","6","4","1","4","1") = "8"
    & skf18("9","5","6","4","1","5","1") = "8"
    & skf18("9","5","6","4","1","6","1") = "8"
    & skf18("9","5","6","4","1","7","1") = "8"
    & skf18("9","5","6","4","1","8","1") = "8"
    & skf18("9","5","6","4","1","9","1") = "8"
    & skf18("9","5","6","4","1","10","1") = "9"
    & skf18("9","5","6","4","2","1","1") = "8"
    & skf18("9","5","6","4","2","2","1") = "8"
    & skf18("9","5","6","4","2","3","1") = "8"
    & skf18("9","5","6","4","2","4","1") = "8"
    & skf18("9","5","6","4","2","5","1") = "8"
    & skf18("9","5","6","4","2","6","1") = "8"
    & skf18("9","5","6","4","2","7","1") = "8"
    & skf18("9","5","6","4","2","8","1") = "8"
    & skf18("9","5","6","4","2","9","1") = "8"
    & skf18("9","5","6","4","2","10","1") = "9"
    & skf18("9","5","6","4","3","1","1") = "8"
    & skf18("9","5","6","4","3","2","1") = "8"
    & skf18("9","5","6","4","3","3","1") = "8"
    & skf18("9","5","6","4","3","4","1") = "8"
    & skf18("9","5","6","4","3","5","1") = "8"
    & skf18("9","5","6","4","3","6","1") = "8"
    & skf18("9","5","6","4","3","7","1") = "8"
    & skf18("9","5","6","4","3","8","1") = "8"
    & skf18("9","5","6","4","3","9","1") = "8"
    & skf18("9","5","6","4","3","10","1") = "9"
    & skf18("9","5","6","4","4","1","1") = "8"
    & skf18("9","5","6","4","4","2","1") = "8"
    & skf18("9","5","6","4","4","3","1") = "8"
    & skf18("9","5","6","4","4","4","1") = "8"
    & skf18("9","5","6","4","4","5","1") = "8"
    & skf18("9","5","6","4","4","6","1") = "8"
    & skf18("9","5","6","4","4","7","1") = "8"
    & skf18("9","5","6","4","4","8","1") = "8"
    & skf18("9","5","6","4","4","9","1") = "8"
    & skf18("9","5","6","4","4","10","1") = "9"
    & skf18("9","5","6","4","5","1","1") = "8"
    & skf18("9","5","6","4","5","2","1") = "8"
    & skf18("9","5","6","4","5","3","1") = "8"
    & skf18("9","5","6","4","5","4","1") = "8"
    & skf18("9","5","6","4","5","5","1") = "8"
    & skf18("9","5","6","4","5","6","1") = "8"
    & skf18("9","5","6","4","5","7","1") = "8"
    & skf18("9","5","6","4","5","8","1") = "8"
    & skf18("9","5","6","4","5","9","1") = "8"
    & skf18("9","5","6","4","5","10","1") = "9"
    & skf18("9","5","6","4","6","1","1") = "8"
    & skf18("9","5","6","4","6","2","1") = "8"
    & skf18("9","5","6","4","6","3","1") = "8"
    & skf18("9","5","6","4","6","4","1") = "8"
    & skf18("9","5","6","4","6","5","1") = "8"
    & skf18("9","5","6","4","6","6","1") = "8"
    & skf18("9","5","6","4","6","7","1") = "8"
    & skf18("9","5","6","4","6","8","1") = "8"
    & skf18("9","5","6","4","6","9","1") = "8"
    & skf18("9","5","6","4","6","10","1") = "9"
    & skf18("9","5","6","4","7","1","1") = "8"
    & skf18("9","5","6","4","7","2","1") = "8"
    & skf18("9","5","6","4","7","3","1") = "8"
    & skf18("9","5","6","4","7","4","1") = "8"
    & skf18("9","5","6","4","7","5","1") = "8"
    & skf18("9","5","6","4","7","6","1") = "8"
    & skf18("9","5","6","4","7","7","1") = "8"
    & skf18("9","5","6","4","7","8","1") = "8"
    & skf18("9","5","6","4","7","9","1") = "8"
    & skf18("9","5","6","4","7","10","1") = "9"
    & skf18("9","5","6","4","8","1","1") = "8"
    & skf18("9","5","6","4","8","2","1") = "8"
    & skf18("9","5","6","4","8","3","1") = "8"
    & skf18("9","5","6","4","8","4","1") = "8"
    & skf18("9","5","6","4","8","5","1") = "8"
    & skf18("9","5","6","4","8","6","1") = "8"
    & skf18("9","5","6","4","8","7","1") = "8"
    & skf18("9","5","6","4","8","8","1") = "8"
    & skf18("9","5","6","4","8","9","1") = "8"
    & skf18("9","5","6","4","8","10","1") = "9"
    & skf18("9","5","6","4","9","1","1") = "8"
    & skf18("9","5","6","4","9","2","1") = "8"
    & skf18("9","5","6","4","9","3","1") = "8"
    & skf18("9","5","6","4","9","4","1") = "8"
    & skf18("9","5","6","4","9","5","1") = "8"
    & skf18("9","5","6","4","9","6","1") = "8"
    & skf18("9","5","6","4","9","7","1") = "8"
    & skf18("9","5","6","4","9","8","1") = "8"
    & skf18("9","5","6","4","9","9","1") = "8"
    & skf18("9","5","6","4","9","10","1") = "9"
    & skf18("9","5","6","4","10","1","1") = "9"
    & skf18("9","5","6","4","10","2","1") = "9"
    & skf18("9","5","6","4","10","3","1") = "9"
    & skf18("9","5","6","4","10","4","1") = "9"
    & skf18("9","5","6","4","10","5","1") = "9"
    & skf18("9","5","6","4","10","6","1") = "9"
    & skf18("9","5","6","4","10","7","1") = "9"
    & skf18("9","5","6","4","10","8","1") = "9"
    & skf18("9","5","6","4","10","9","1") = "9"
    & skf18("9","5","6","4","10","10","1") = "9"
    & skf18("9","5","6","5","1","1","1") = "8"
    & skf18("9","5","6","5","1","2","1") = "8"
    & skf18("9","5","6","5","1","3","1") = "8"
    & skf18("9","5","6","5","1","4","1") = "8"
    & skf18("9","5","6","5","1","5","1") = "8"
    & skf18("9","5","6","5","1","6","1") = "8"
    & skf18("9","5","6","5","1","7","1") = "8"
    & skf18("9","5","6","5","1","8","1") = "8"
    & skf18("9","5","6","5","1","9","1") = "8"
    & skf18("9","5","6","5","1","10","1") = "9"
    & skf18("9","5","6","5","2","1","1") = "8"
    & skf18("9","5","6","5","2","2","1") = "8"
    & skf18("9","5","6","5","2","3","1") = "8"
    & skf18("9","5","6","5","2","4","1") = "8"
    & skf18("9","5","6","5","2","5","1") = "8"
    & skf18("9","5","6","5","2","6","1") = "8"
    & skf18("9","5","6","5","2","7","1") = "8"
    & skf18("9","5","6","5","2","8","1") = "8"
    & skf18("9","5","6","5","2","9","1") = "8"
    & skf18("9","5","6","5","2","10","1") = "9"
    & skf18("9","5","6","5","3","1","1") = "8"
    & skf18("9","5","6","5","3","2","1") = "8"
    & skf18("9","5","6","5","3","3","1") = "8"
    & skf18("9","5","6","5","3","4","1") = "8"
    & skf18("9","5","6","5","3","5","1") = "8"
    & skf18("9","5","6","5","3","6","1") = "8"
    & skf18("9","5","6","5","3","7","1") = "8"
    & skf18("9","5","6","5","3","8","1") = "8"
    & skf18("9","5","6","5","3","9","1") = "8"
    & skf18("9","5","6","5","3","10","1") = "9"
    & skf18("9","5","6","5","4","1","1") = "8"
    & skf18("9","5","6","5","4","2","1") = "8"
    & skf18("9","5","6","5","4","3","1") = "8"
    & skf18("9","5","6","5","4","4","1") = "8"
    & skf18("9","5","6","5","4","5","1") = "8"
    & skf18("9","5","6","5","4","6","1") = "8"
    & skf18("9","5","6","5","4","7","1") = "8"
    & skf18("9","5","6","5","4","8","1") = "8"
    & skf18("9","5","6","5","4","9","1") = "8"
    & skf18("9","5","6","5","4","10","1") = "9"
    & skf18("9","5","6","5","5","1","1") = "8"
    & skf18("9","5","6","5","5","2","1") = "8"
    & skf18("9","5","6","5","5","3","1") = "8"
    & skf18("9","5","6","5","5","4","1") = "8"
    & skf18("9","5","6","5","5","5","1") = "8"
    & skf18("9","5","6","5","5","6","1") = "8"
    & skf18("9","5","6","5","5","7","1") = "8"
    & skf18("9","5","6","5","5","8","1") = "8"
    & skf18("9","5","6","5","5","9","1") = "8"
    & skf18("9","5","6","5","5","10","1") = "9"
    & skf18("9","5","6","5","6","1","1") = "8"
    & skf18("9","5","6","5","6","2","1") = "8"
    & skf18("9","5","6","5","6","3","1") = "8"
    & skf18("9","5","6","5","6","4","1") = "8"
    & skf18("9","5","6","5","6","5","1") = "8"
    & skf18("9","5","6","5","6","6","1") = "8"
    & skf18("9","5","6","5","6","7","1") = "8"
    & skf18("9","5","6","5","6","8","1") = "8"
    & skf18("9","5","6","5","6","9","1") = "8"
    & skf18("9","5","6","5","6","10","1") = "9"
    & skf18("9","5","6","5","7","1","1") = "8"
    & skf18("9","5","6","5","7","2","1") = "8"
    & skf18("9","5","6","5","7","3","1") = "8"
    & skf18("9","5","6","5","7","4","1") = "8"
    & skf18("9","5","6","5","7","5","1") = "8"
    & skf18("9","5","6","5","7","6","1") = "8"
    & skf18("9","5","6","5","7","7","1") = "8"
    & skf18("9","5","6","5","7","8","1") = "8"
    & skf18("9","5","6","5","7","9","1") = "8"
    & skf18("9","5","6","5","7","10","1") = "9"
    & skf18("9","5","6","5","8","1","1") = "8"
    & skf18("9","5","6","5","8","2","1") = "8"
    & skf18("9","5","6","5","8","3","1") = "8"
    & skf18("9","5","6","5","8","4","1") = "8"
    & skf18("9","5","6","5","8","5","1") = "8"
    & skf18("9","5","6","5","8","6","1") = "8"
    & skf18("9","5","6","5","8","7","1") = "8"
    & skf18("9","5","6","5","8","8","1") = "8"
    & skf18("9","5","6","5","8","9","1") = "8"
    & skf18("9","5","6","5","8","10","1") = "9"
    & skf18("9","5","6","5","9","1","1") = "8"
    & skf18("9","5","6","5","9","2","1") = "8"
    & skf18("9","5","6","5","9","3","1") = "8"
    & skf18("9","5","6","5","9","4","1") = "8"
    & skf18("9","5","6","5","9","5","1") = "8"
    & skf18("9","5","6","5","9","6","1") = "8"
    & skf18("9","5","6","5","9","7","1") = "8"
    & skf18("9","5","6","5","9","8","1") = "8"
    & skf18("9","5","6","5","9","9","1") = "8"
    & skf18("9","5","6","5","9","10","1") = "9"
    & skf18("9","5","6","5","10","1","1") = "9"
    & skf18("9","5","6","5","10","2","1") = "9"
    & skf18("9","5","6","5","10","3","1") = "9"
    & skf18("9","5","6","5","10","4","1") = "9"
    & skf18("9","5","6","5","10","5","1") = "9"
    & skf18("9","5","6","5","10","6","1") = "9"
    & skf18("9","5","6","5","10","7","1") = "9"
    & skf18("9","5","6","5","10","8","1") = "9"
    & skf18("9","5","6","5","10","9","1") = "9"
    & skf18("9","5","6","5","10","10","1") = "9"
    & skf18("9","5","6","6","1","1","1") = "8"
    & skf18("9","5","6","6","1","2","1") = "8"
    & skf18("9","5","6","6","1","3","1") = "8"
    & skf18("9","5","6","6","1","4","1") = "8"
    & skf18("9","5","6","6","1","5","1") = "8"
    & skf18("9","5","6","6","1","6","1") = "8"
    & skf18("9","5","6","6","1","7","1") = "8"
    & skf18("9","5","6","6","1","8","1") = "8"
    & skf18("9","5","6","6","1","9","1") = "8"
    & skf18("9","5","6","6","1","10","1") = "9"
    & skf18("9","5","6","6","2","1","1") = "8"
    & skf18("9","5","6","6","2","2","1") = "8"
    & skf18("9","5","6","6","2","3","1") = "8"
    & skf18("9","5","6","6","2","4","1") = "8"
    & skf18("9","5","6","6","2","5","1") = "8"
    & skf18("9","5","6","6","2","6","1") = "8"
    & skf18("9","5","6","6","2","7","1") = "8"
    & skf18("9","5","6","6","2","8","1") = "8"
    & skf18("9","5","6","6","2","9","1") = "8"
    & skf18("9","5","6","6","2","10","1") = "9"
    & skf18("9","5","6","6","3","1","1") = "8"
    & skf18("9","5","6","6","3","2","1") = "8"
    & skf18("9","5","6","6","3","3","1") = "8"
    & skf18("9","5","6","6","3","4","1") = "8"
    & skf18("9","5","6","6","3","5","1") = "8"
    & skf18("9","5","6","6","3","6","1") = "8"
    & skf18("9","5","6","6","3","7","1") = "8"
    & skf18("9","5","6","6","3","8","1") = "8"
    & skf18("9","5","6","6","3","9","1") = "8"
    & skf18("9","5","6","6","3","10","1") = "9"
    & skf18("9","5","6","6","4","1","1") = "8"
    & skf18("9","5","6","6","4","2","1") = "8"
    & skf18("9","5","6","6","4","3","1") = "8"
    & skf18("9","5","6","6","4","4","1") = "8"
    & skf18("9","5","6","6","4","5","1") = "8"
    & skf18("9","5","6","6","4","6","1") = "8"
    & skf18("9","5","6","6","4","7","1") = "8"
    & skf18("9","5","6","6","4","8","1") = "8"
    & skf18("9","5","6","6","4","9","1") = "8"
    & skf18("9","5","6","6","4","10","1") = "9"
    & skf18("9","5","6","6","5","1","1") = "8"
    & skf18("9","5","6","6","5","2","1") = "8"
    & skf18("9","5","6","6","5","3","1") = "8"
    & skf18("9","5","6","6","5","4","1") = "8"
    & skf18("9","5","6","6","5","5","1") = "8"
    & skf18("9","5","6","6","5","6","1") = "8"
    & skf18("9","5","6","6","5","7","1") = "8"
    & skf18("9","5","6","6","5","8","1") = "8"
    & skf18("9","5","6","6","5","9","1") = "8"
    & skf18("9","5","6","6","5","10","1") = "9"
    & skf18("9","5","6","6","6","1","1") = "8"
    & skf18("9","5","6","6","6","2","1") = "8"
    & skf18("9","5","6","6","6","3","1") = "8"
    & skf18("9","5","6","6","6","4","1") = "8"
    & skf18("9","5","6","6","6","5","1") = "8"
    & skf18("9","5","6","6","6","6","1") = "8"
    & skf18("9","5","6","6","6","7","1") = "8"
    & skf18("9","5","6","6","6","8","1") = "8"
    & skf18("9","5","6","6","6","9","1") = "8"
    & skf18("9","5","6","6","6","10","1") = "9"
    & skf18("9","5","6","6","7","1","1") = "8"
    & skf18("9","5","6","6","7","2","1") = "8"
    & skf18("9","5","6","6","7","3","1") = "8"
    & skf18("9","5","6","6","7","4","1") = "8"
    & skf18("9","5","6","6","7","5","1") = "8"
    & skf18("9","5","6","6","7","6","1") = "8"
    & skf18("9","5","6","6","7","7","1") = "8"
    & skf18("9","5","6","6","7","8","1") = "8"
    & skf18("9","5","6","6","7","9","1") = "8"
    & skf18("9","5","6","6","7","10","1") = "9"
    & skf18("9","5","6","6","8","1","1") = "8"
    & skf18("9","5","6","6","8","2","1") = "8"
    & skf18("9","5","6","6","8","3","1") = "8"
    & skf18("9","5","6","6","8","4","1") = "8"
    & skf18("9","5","6","6","8","5","1") = "8"
    & skf18("9","5","6","6","8","6","1") = "8"
    & skf18("9","5","6","6","8","7","1") = "8"
    & skf18("9","5","6","6","8","8","1") = "8"
    & skf18("9","5","6","6","8","9","1") = "8"
    & skf18("9","5","6","6","8","10","1") = "9"
    & skf18("9","5","6","6","9","1","1") = "8"
    & skf18("9","5","6","6","9","2","1") = "8"
    & skf18("9","5","6","6","9","3","1") = "8"
    & skf18("9","5","6","6","9","4","1") = "8"
    & skf18("9","5","6","6","9","5","1") = "8"
    & skf18("9","5","6","6","9","6","1") = "8"
    & skf18("9","5","6","6","9","7","1") = "8"
    & skf18("9","5","6","6","9","8","1") = "8"
    & skf18("9","5","6","6","9","9","1") = "8"
    & skf18("9","5","6","6","9","10","1") = "9"
    & skf18("9","5","6","6","10","1","1") = "9"
    & skf18("9","5","6","6","10","2","1") = "9"
    & skf18("9","5","6","6","10","3","1") = "9"
    & skf18("9","5","6","6","10","4","1") = "9"
    & skf18("9","5","6","6","10","5","1") = "9"
    & skf18("9","5","6","6","10","6","1") = "9"
    & skf18("9","5","6","6","10","7","1") = "9"
    & skf18("9","5","6","6","10","8","1") = "9"
    & skf18("9","5","6","6","10","9","1") = "9"
    & skf18("9","5","6","6","10","10","1") = "9"
    & skf18("9","5","6","7","1","1","1") = "8"
    & skf18("9","5","6","7","1","2","1") = "8"
    & skf18("9","5","6","7","1","3","1") = "8"
    & skf18("9","5","6","7","1","4","1") = "8"
    & skf18("9","5","6","7","1","5","1") = "8"
    & skf18("9","5","6","7","1","6","1") = "8"
    & skf18("9","5","6","7","1","7","1") = "8"
    & skf18("9","5","6","7","1","8","1") = "8"
    & skf18("9","5","6","7","1","9","1") = "8"
    & skf18("9","5","6","7","1","10","1") = "9"
    & skf18("9","5","6","7","2","1","1") = "8"
    & skf18("9","5","6","7","2","2","1") = "8"
    & skf18("9","5","6","7","2","3","1") = "8"
    & skf18("9","5","6","7","2","4","1") = "8"
    & skf18("9","5","6","7","2","5","1") = "8"
    & skf18("9","5","6","7","2","6","1") = "8"
    & skf18("9","5","6","7","2","7","1") = "8"
    & skf18("9","5","6","7","2","8","1") = "8"
    & skf18("9","5","6","7","2","9","1") = "8"
    & skf18("9","5","6","7","2","10","1") = "9"
    & skf18("9","5","6","7","3","1","1") = "8"
    & skf18("9","5","6","7","3","2","1") = "8"
    & skf18("9","5","6","7","3","3","1") = "8"
    & skf18("9","5","6","7","3","4","1") = "8"
    & skf18("9","5","6","7","3","5","1") = "8"
    & skf18("9","5","6","7","3","6","1") = "8"
    & skf18("9","5","6","7","3","7","1") = "8"
    & skf18("9","5","6","7","3","8","1") = "8"
    & skf18("9","5","6","7","3","9","1") = "8"
    & skf18("9","5","6","7","3","10","1") = "9"
    & skf18("9","5","6","7","4","1","1") = "8"
    & skf18("9","5","6","7","4","2","1") = "8"
    & skf18("9","5","6","7","4","3","1") = "8"
    & skf18("9","5","6","7","4","4","1") = "8"
    & skf18("9","5","6","7","4","5","1") = "8"
    & skf18("9","5","6","7","4","6","1") = "8"
    & skf18("9","5","6","7","4","7","1") = "8"
    & skf18("9","5","6","7","4","8","1") = "8"
    & skf18("9","5","6","7","4","9","1") = "8"
    & skf18("9","5","6","7","4","10","1") = "9"
    & skf18("9","5","6","7","5","1","1") = "8"
    & skf18("9","5","6","7","5","2","1") = "8"
    & skf18("9","5","6","7","5","3","1") = "8"
    & skf18("9","5","6","7","5","4","1") = "8"
    & skf18("9","5","6","7","5","5","1") = "8"
    & skf18("9","5","6","7","5","6","1") = "8"
    & skf18("9","5","6","7","5","7","1") = "8"
    & skf18("9","5","6","7","5","8","1") = "8"
    & skf18("9","5","6","7","5","9","1") = "8"
    & skf18("9","5","6","7","5","10","1") = "9"
    & skf18("9","5","6","7","6","1","1") = "8"
    & skf18("9","5","6","7","6","2","1") = "8"
    & skf18("9","5","6","7","6","3","1") = "8"
    & skf18("9","5","6","7","6","4","1") = "8"
    & skf18("9","5","6","7","6","5","1") = "8"
    & skf18("9","5","6","7","6","6","1") = "8"
    & skf18("9","5","6","7","6","7","1") = "8"
    & skf18("9","5","6","7","6","8","1") = "8"
    & skf18("9","5","6","7","6","9","1") = "8"
    & skf18("9","5","6","7","6","10","1") = "9"
    & skf18("9","5","6","7","7","1","1") = "8"
    & skf18("9","5","6","7","7","2","1") = "8"
    & skf18("9","5","6","7","7","3","1") = "8"
    & skf18("9","5","6","7","7","4","1") = "8"
    & skf18("9","5","6","7","7","5","1") = "8"
    & skf18("9","5","6","7","7","6","1") = "8"
    & skf18("9","5","6","7","7","7","1") = "8"
    & skf18("9","5","6","7","7","8","1") = "8"
    & skf18("9","5","6","7","7","9","1") = "8"
    & skf18("9","5","6","7","7","10","1") = "9"
    & skf18("9","5","6","7","8","1","1") = "8"
    & skf18("9","5","6","7","8","2","1") = "8"
    & skf18("9","5","6","7","8","3","1") = "8"
    & skf18("9","5","6","7","8","4","1") = "8"
    & skf18("9","5","6","7","8","5","1") = "8"
    & skf18("9","5","6","7","8","6","1") = "8"
    & skf18("9","5","6","7","8","7","1") = "8"
    & skf18("9","5","6","7","8","8","1") = "8"
    & skf18("9","5","6","7","8","9","1") = "8"
    & skf18("9","5","6","7","8","10","1") = "9"
    & skf18("9","5","6","7","9","1","1") = "8"
    & skf18("9","5","6","7","9","2","1") = "8"
    & skf18("9","5","6","7","9","3","1") = "8"
    & skf18("9","5","6","7","9","4","1") = "8"
    & skf18("9","5","6","7","9","5","1") = "8"
    & skf18("9","5","6","7","9","6","1") = "8"
    & skf18("9","5","6","7","9","7","1") = "8"
    & skf18("9","5","6","7","9","8","1") = "8"
    & skf18("9","5","6","7","9","9","1") = "8"
    & skf18("9","5","6","7","9","10","1") = "9"
    & skf18("9","5","6","7","10","1","1") = "9"
    & skf18("9","5","6","7","10","2","1") = "9"
    & skf18("9","5","6","7","10","3","1") = "9"
    & skf18("9","5","6","7","10","4","1") = "9"
    & skf18("9","5","6","7","10","5","1") = "9"
    & skf18("9","5","6","7","10","6","1") = "9"
    & skf18("9","5","6","7","10","7","1") = "9"
    & skf18("9","5","6","7","10","8","1") = "9"
    & skf18("9","5","6","7","10","9","1") = "9"
    & skf18("9","5","6","7","10","10","1") = "9"
    & skf18("9","5","6","8","1","1","1") = "8"
    & skf18("9","5","6","8","1","2","1") = "8"
    & skf18("9","5","6","8","1","3","1") = "8"
    & skf18("9","5","6","8","1","4","1") = "8"
    & skf18("9","5","6","8","1","5","1") = "8"
    & skf18("9","5","6","8","1","6","1") = "8"
    & skf18("9","5","6","8","1","7","1") = "8"
    & skf18("9","5","6","8","1","8","1") = "8"
    & skf18("9","5","6","8","1","9","1") = "8"
    & skf18("9","5","6","8","1","10","1") = "9"
    & skf18("9","5","6","8","2","1","1") = "8"
    & skf18("9","5","6","8","2","2","1") = "8"
    & skf18("9","5","6","8","2","3","1") = "8"
    & skf18("9","5","6","8","2","4","1") = "8"
    & skf18("9","5","6","8","2","5","1") = "8"
    & skf18("9","5","6","8","2","6","1") = "8"
    & skf18("9","5","6","8","2","7","1") = "8"
    & skf18("9","5","6","8","2","8","1") = "8"
    & skf18("9","5","6","8","2","9","1") = "8"
    & skf18("9","5","6","8","2","10","1") = "9"
    & skf18("9","5","6","8","3","1","1") = "8"
    & skf18("9","5","6","8","3","2","1") = "8"
    & skf18("9","5","6","8","3","3","1") = "8"
    & skf18("9","5","6","8","3","4","1") = "8"
    & skf18("9","5","6","8","3","5","1") = "8"
    & skf18("9","5","6","8","3","6","1") = "8"
    & skf18("9","5","6","8","3","7","1") = "8"
    & skf18("9","5","6","8","3","8","1") = "8"
    & skf18("9","5","6","8","3","9","1") = "8"
    & skf18("9","5","6","8","3","10","1") = "9"
    & skf18("9","5","6","8","4","1","1") = "8"
    & skf18("9","5","6","8","4","2","1") = "8"
    & skf18("9","5","6","8","4","3","1") = "8"
    & skf18("9","5","6","8","4","4","1") = "8"
    & skf18("9","5","6","8","4","5","1") = "8"
    & skf18("9","5","6","8","4","6","1") = "8"
    & skf18("9","5","6","8","4","7","1") = "8"
    & skf18("9","5","6","8","4","8","1") = "8"
    & skf18("9","5","6","8","4","9","1") = "8"
    & skf18("9","5","6","8","4","10","1") = "9"
    & skf18("9","5","6","8","5","1","1") = "8"
    & skf18("9","5","6","8","5","2","1") = "8"
    & skf18("9","5","6","8","5","3","1") = "8"
    & skf18("9","5","6","8","5","4","1") = "8"
    & skf18("9","5","6","8","5","5","1") = "8"
    & skf18("9","5","6","8","5","6","1") = "8"
    & skf18("9","5","6","8","5","7","1") = "8"
    & skf18("9","5","6","8","5","8","1") = "8"
    & skf18("9","5","6","8","5","9","1") = "8"
    & skf18("9","5","6","8","5","10","1") = "9"
    & skf18("9","5","6","8","6","1","1") = "8"
    & skf18("9","5","6","8","6","2","1") = "8"
    & skf18("9","5","6","8","6","3","1") = "8"
    & skf18("9","5","6","8","6","4","1") = "8"
    & skf18("9","5","6","8","6","5","1") = "8"
    & skf18("9","5","6","8","6","6","1") = "8"
    & skf18("9","5","6","8","6","7","1") = "8"
    & skf18("9","5","6","8","6","8","1") = "8"
    & skf18("9","5","6","8","6","9","1") = "8"
    & skf18("9","5","6","8","6","10","1") = "9"
    & skf18("9","5","6","8","7","1","1") = "8"
    & skf18("9","5","6","8","7","2","1") = "8"
    & skf18("9","5","6","8","7","3","1") = "8"
    & skf18("9","5","6","8","7","4","1") = "8"
    & skf18("9","5","6","8","7","5","1") = "8"
    & skf18("9","5","6","8","7","6","1") = "8"
    & skf18("9","5","6","8","7","7","1") = "8"
    & skf18("9","5","6","8","7","8","1") = "8"
    & skf18("9","5","6","8","7","9","1") = "8"
    & skf18("9","5","6","8","7","10","1") = "9"
    & skf18("9","5","6","8","8","1","1") = "8"
    & skf18("9","5","6","8","8","2","1") = "8"
    & skf18("9","5","6","8","8","3","1") = "8"
    & skf18("9","5","6","8","8","4","1") = "8"
    & skf18("9","5","6","8","8","5","1") = "8"
    & skf18("9","5","6","8","8","6","1") = "8"
    & skf18("9","5","6","8","8","7","1") = "8"
    & skf18("9","5","6","8","8","8","1") = "8"
    & skf18("9","5","6","8","8","9","1") = "8"
    & skf18("9","5","6","8","8","10","1") = "9"
    & skf18("9","5","6","8","9","1","1") = "8"
    & skf18("9","5","6","8","9","2","1") = "8"
    & skf18("9","5","6","8","9","3","1") = "8"
    & skf18("9","5","6","8","9","4","1") = "8"
    & skf18("9","5","6","8","9","5","1") = "8"
    & skf18("9","5","6","8","9","6","1") = "8"
    & skf18("9","5","6","8","9","7","1") = "8"
    & skf18("9","5","6","8","9","8","1") = "8"
    & skf18("9","5","6","8","9","9","1") = "8"
    & skf18("9","5","6","8","9","10","1") = "9"
    & skf18("9","5","6","8","10","1","1") = "9"
    & skf18("9","5","6","8","10","2","1") = "9"
    & skf18("9","5","6","8","10","3","1") = "9"
    & skf18("9","5","6","8","10","4","1") = "9"
    & skf18("9","5","6","8","10","5","1") = "9"
    & skf18("9","5","6","8","10","6","1") = "9"
    & skf18("9","5","6","8","10","7","1") = "9"
    & skf18("9","5","6","8","10","8","1") = "9"
    & skf18("9","5","6","8","10","9","1") = "9"
    & skf18("9","5","6","8","10","10","1") = "9"
    & skf18("9","5","6","9","1","1","1") = "8"
    & skf18("9","5","6","9","1","2","1") = "8"
    & skf18("9","5","6","9","1","3","1") = "8"
    & skf18("9","5","6","9","1","4","1") = "8"
    & skf18("9","5","6","9","1","5","1") = "8"
    & skf18("9","5","6","9","1","6","1") = "8"
    & skf18("9","5","6","9","1","7","1") = "8"
    & skf18("9","5","6","9","1","8","1") = "8"
    & skf18("9","5","6","9","1","9","1") = "8"
    & skf18("9","5","6","9","1","10","1") = "9"
    & skf18("9","5","6","9","2","1","1") = "8"
    & skf18("9","5","6","9","2","2","1") = "8"
    & skf18("9","5","6","9","2","3","1") = "8"
    & skf18("9","5","6","9","2","4","1") = "8"
    & skf18("9","5","6","9","2","5","1") = "8"
    & skf18("9","5","6","9","2","6","1") = "8"
    & skf18("9","5","6","9","2","7","1") = "8"
    & skf18("9","5","6","9","2","8","1") = "8"
    & skf18("9","5","6","9","2","9","1") = "8"
    & skf18("9","5","6","9","2","10","1") = "9"
    & skf18("9","5","6","9","3","1","1") = "8"
    & skf18("9","5","6","9","3","2","1") = "8"
    & skf18("9","5","6","9","3","3","1") = "8"
    & skf18("9","5","6","9","3","4","1") = "8"
    & skf18("9","5","6","9","3","5","1") = "8"
    & skf18("9","5","6","9","3","6","1") = "8"
    & skf18("9","5","6","9","3","7","1") = "8"
    & skf18("9","5","6","9","3","8","1") = "8"
    & skf18("9","5","6","9","3","9","1") = "8"
    & skf18("9","5","6","9","3","10","1") = "9"
    & skf18("9","5","6","9","4","1","1") = "8"
    & skf18("9","5","6","9","4","2","1") = "8"
    & skf18("9","5","6","9","4","3","1") = "8"
    & skf18("9","5","6","9","4","4","1") = "8"
    & skf18("9","5","6","9","4","5","1") = "8"
    & skf18("9","5","6","9","4","6","1") = "8"
    & skf18("9","5","6","9","4","7","1") = "8"
    & skf18("9","5","6","9","4","8","1") = "8"
    & skf18("9","5","6","9","4","9","1") = "8"
    & skf18("9","5","6","9","4","10","1") = "9"
    & skf18("9","5","6","9","5","1","1") = "8"
    & skf18("9","5","6","9","5","2","1") = "8"
    & skf18("9","5","6","9","5","3","1") = "8"
    & skf18("9","5","6","9","5","4","1") = "8"
    & skf18("9","5","6","9","5","5","1") = "8"
    & skf18("9","5","6","9","5","6","1") = "8"
    & skf18("9","5","6","9","5","7","1") = "8"
    & skf18("9","5","6","9","5","8","1") = "8"
    & skf18("9","5","6","9","5","9","1") = "8"
    & skf18("9","5","6","9","5","10","1") = "9"
    & skf18("9","5","6","9","6","1","1") = "8"
    & skf18("9","5","6","9","6","2","1") = "8"
    & skf18("9","5","6","9","6","3","1") = "8"
    & skf18("9","5","6","9","6","4","1") = "8"
    & skf18("9","5","6","9","6","5","1") = "8"
    & skf18("9","5","6","9","6","6","1") = "8"
    & skf18("9","5","6","9","6","7","1") = "8"
    & skf18("9","5","6","9","6","8","1") = "8"
    & skf18("9","5","6","9","6","9","1") = "8"
    & skf18("9","5","6","9","6","10","1") = "9"
    & skf18("9","5","6","9","7","1","1") = "8"
    & skf18("9","5","6","9","7","2","1") = "8"
    & skf18("9","5","6","9","7","3","1") = "8"
    & skf18("9","5","6","9","7","4","1") = "8"
    & skf18("9","5","6","9","7","5","1") = "8"
    & skf18("9","5","6","9","7","6","1") = "8"
    & skf18("9","5","6","9","7","7","1") = "8"
    & skf18("9","5","6","9","7","8","1") = "8"
    & skf18("9","5","6","9","7","9","1") = "8"
    & skf18("9","5","6","9","7","10","1") = "9"
    & skf18("9","5","6","9","8","1","1") = "8"
    & skf18("9","5","6","9","8","2","1") = "8"
    & skf18("9","5","6","9","8","3","1") = "8"
    & skf18("9","5","6","9","8","4","1") = "8"
    & skf18("9","5","6","9","8","5","1") = "8"
    & skf18("9","5","6","9","8","6","1") = "8"
    & skf18("9","5","6","9","8","7","1") = "8"
    & skf18("9","5","6","9","8","8","1") = "8"
    & skf18("9","5","6","9","8","9","1") = "8"
    & skf18("9","5","6","9","8","10","1") = "9"
    & skf18("9","5","6","9","9","1","1") = "8"
    & skf18("9","5","6","9","9","2","1") = "8"
    & skf18("9","5","6","9","9","3","1") = "8"
    & skf18("9","5","6","9","9","4","1") = "8"
    & skf18("9","5","6","9","9","5","1") = "8"
    & skf18("9","5","6","9","9","6","1") = "8"
    & skf18("9","5","6","9","9","7","1") = "8"
    & skf18("9","5","6","9","9","8","1") = "8"
    & skf18("9","5","6","9","9","9","1") = "8"
    & skf18("9","5","6","9","9","10","1") = "9"
    & skf18("9","5","6","9","10","1","1") = "9"
    & skf18("9","5","6","9","10","2","1") = "9"
    & skf18("9","5","6","9","10","3","1") = "9"
    & skf18("9","5","6","9","10","4","1") = "9"
    & skf18("9","5","6","9","10","5","1") = "9"
    & skf18("9","5","6","9","10","6","1") = "9"
    & skf18("9","5","6","9","10","7","1") = "9"
    & skf18("9","5","6","9","10","8","1") = "9"
    & skf18("9","5","6","9","10","9","1") = "9"
    & skf18("9","5","6","9","10","10","1") = "9"
    & skf18("9","5","6","10","1","1","1") = "9"
    & skf18("9","5","6","10","1","2","1") = "9"
    & skf18("9","5","6","10","1","3","1") = "9"
    & skf18("9","5","6","10","1","4","1") = "9"
    & skf18("9","5","6","10","1","5","1") = "9"
    & skf18("9","5","6","10","1","6","1") = "9"
    & skf18("9","5","6","10","1","7","1") = "9"
    & skf18("9","5","6","10","1","8","1") = "9"
    & skf18("9","5","6","10","1","9","1") = "9"
    & skf18("9","5","6","10","1","10","1") = "9"
    & skf18("9","5","6","10","2","1","1") = "9"
    & skf18("9","5","6","10","2","2","1") = "9"
    & skf18("9","5","6","10","2","3","1") = "9"
    & skf18("9","5","6","10","2","4","1") = "9"
    & skf18("9","5","6","10","2","5","1") = "9"
    & skf18("9","5","6","10","2","6","1") = "9"
    & skf18("9","5","6","10","2","7","1") = "9"
    & skf18("9","5","6","10","2","8","1") = "9"
    & skf18("9","5","6","10","2","9","1") = "9"
    & skf18("9","5","6","10","2","10","1") = "9"
    & skf18("9","5","6","10","3","1","1") = "9"
    & skf18("9","5","6","10","3","2","1") = "9"
    & skf18("9","5","6","10","3","3","1") = "9"
    & skf18("9","5","6","10","3","4","1") = "9"
    & skf18("9","5","6","10","3","5","1") = "9"
    & skf18("9","5","6","10","3","6","1") = "9"
    & skf18("9","5","6","10","3","7","1") = "9"
    & skf18("9","5","6","10","3","8","1") = "9"
    & skf18("9","5","6","10","3","9","1") = "9"
    & skf18("9","5","6","10","3","10","1") = "9"
    & skf18("9","5","6","10","4","1","1") = "9"
    & skf18("9","5","6","10","4","2","1") = "9"
    & skf18("9","5","6","10","4","3","1") = "9"
    & skf18("9","5","6","10","4","4","1") = "9"
    & skf18("9","5","6","10","4","5","1") = "9"
    & skf18("9","5","6","10","4","6","1") = "9"
    & skf18("9","5","6","10","4","7","1") = "9"
    & skf18("9","5","6","10","4","8","1") = "9"
    & skf18("9","5","6","10","4","9","1") = "9"
    & skf18("9","5","6","10","4","10","1") = "9"
    & skf18("9","5","6","10","5","1","1") = "9"
    & skf18("9","5","6","10","5","2","1") = "9"
    & skf18("9","5","6","10","5","3","1") = "9"
    & skf18("9","5","6","10","5","4","1") = "9"
    & skf18("9","5","6","10","5","5","1") = "9"
    & skf18("9","5","6","10","5","6","1") = "9"
    & skf18("9","5","6","10","5","7","1") = "9"
    & skf18("9","5","6","10","5","8","1") = "9"
    & skf18("9","5","6","10","5","9","1") = "9"
    & skf18("9","5","6","10","5","10","1") = "9"
    & skf18("9","5","6","10","6","1","1") = "9"
    & skf18("9","5","6","10","6","2","1") = "9"
    & skf18("9","5","6","10","6","3","1") = "9"
    & skf18("9","5","6","10","6","4","1") = "9"
    & skf18("9","5","6","10","6","5","1") = "9"
    & skf18("9","5","6","10","6","6","1") = "9"
    & skf18("9","5","6","10","6","7","1") = "9"
    & skf18("9","5","6","10","6","8","1") = "9"
    & skf18("9","5","6","10","6","9","1") = "9"
    & skf18("9","5","6","10","6","10","1") = "9"
    & skf18("9","5","6","10","7","1","1") = "9"
    & skf18("9","5","6","10","7","2","1") = "9"
    & skf18("9","5","6","10","7","3","1") = "9"
    & skf18("9","5","6","10","7","4","1") = "9"
    & skf18("9","5","6","10","7","5","1") = "9"
    & skf18("9","5","6","10","7","6","1") = "9"
    & skf18("9","5","6","10","7","7","1") = "9"
    & skf18("9","5","6","10","7","8","1") = "9"
    & skf18("9","5","6","10","7","9","1") = "9"
    & skf18("9","5","6","10","7","10","1") = "9"
    & skf18("9","5","6","10","8","1","1") = "9"
    & skf18("9","5","6","10","8","2","1") = "9"
    & skf18("9","5","6","10","8","3","1") = "9"
    & skf18("9","5","6","10","8","4","1") = "9"
    & skf18("9","5","6","10","8","5","1") = "9"
    & skf18("9","5","6","10","8","6","1") = "9"
    & skf18("9","5","6","10","8","7","1") = "9"
    & skf18("9","5","6","10","8","8","1") = "9"
    & skf18("9","5","6","10","8","9","1") = "9"
    & skf18("9","5","6","10","8","10","1") = "9"
    & skf18("9","5","6","10","9","1","1") = "9"
    & skf18("9","5","6","10","9","2","1") = "9"
    & skf18("9","5","6","10","9","3","1") = "9"
    & skf18("9","5","6","10","9","4","1") = "9"
    & skf18("9","5","6","10","9","5","1") = "9"
    & skf18("9","5","6","10","9","6","1") = "9"
    & skf18("9","5","6","10","9","7","1") = "9"
    & skf18("9","5","6","10","9","8","1") = "9"
    & skf18("9","5","6","10","9","9","1") = "9"
    & skf18("9","5","6","10","9","10","1") = "9"
    & skf18("9","5","6","10","10","1","1") = "9"
    & skf18("9","5","6","10","10","2","1") = "9"
    & skf18("9","5","6","10","10","3","1") = "9"
    & skf18("9","5","6","10","10","4","1") = "9"
    & skf18("9","5","6","10","10","5","1") = "9"
    & skf18("9","5","6","10","10","6","1") = "9"
    & skf18("9","5","6","10","10","7","1") = "9"
    & skf18("9","5","6","10","10","8","1") = "9"
    & skf18("9","5","6","10","10","9","1") = "9"
    & skf18("9","5","6","10","10","10","1") = "9"
    & skf18("9","5","7","1","1","1","1") = "8"
    & skf18("9","5","7","1","1","2","1") = "8"
    & skf18("9","5","7","1","1","3","1") = "8"
    & skf18("9","5","7","1","1","4","1") = "8"
    & skf18("9","5","7","1","1","5","1") = "8"
    & skf18("9","5","7","1","1","6","1") = "8"
    & skf18("9","5","7","1","1","7","1") = "8"
    & skf18("9","5","7","1","1","8","1") = "8"
    & skf18("9","5","7","1","1","9","1") = "8"
    & skf18("9","5","7","1","1","10","1") = "9"
    & skf18("9","5","7","1","2","1","1") = "8"
    & skf18("9","5","7","1","2","2","1") = "8"
    & skf18("9","5","7","1","2","3","1") = "8"
    & skf18("9","5","7","1","2","4","1") = "8"
    & skf18("9","5","7","1","2","5","1") = "8"
    & skf18("9","5","7","1","2","6","1") = "8"
    & skf18("9","5","7","1","2","7","1") = "8"
    & skf18("9","5","7","1","2","8","1") = "8"
    & skf18("9","5","7","1","2","9","1") = "8"
    & skf18("9","5","7","1","2","10","1") = "9"
    & skf18("9","5","7","1","3","1","1") = "8"
    & skf18("9","5","7","1","3","2","1") = "8"
    & skf18("9","5","7","1","3","3","1") = "8"
    & skf18("9","5","7","1","3","4","1") = "8"
    & skf18("9","5","7","1","3","5","1") = "8"
    & skf18("9","5","7","1","3","6","1") = "8"
    & skf18("9","5","7","1","3","7","1") = "8"
    & skf18("9","5","7","1","3","8","1") = "8"
    & skf18("9","5","7","1","3","9","1") = "8"
    & skf18("9","5","7","1","3","10","1") = "9"
    & skf18("9","5","7","1","4","1","1") = "8"
    & skf18("9","5","7","1","4","2","1") = "8"
    & skf18("9","5","7","1","4","3","1") = "8"
    & skf18("9","5","7","1","4","4","1") = "8"
    & skf18("9","5","7","1","4","5","1") = "8"
    & skf18("9","5","7","1","4","6","1") = "8"
    & skf18("9","5","7","1","4","7","1") = "8"
    & skf18("9","5","7","1","4","8","1") = "8"
    & skf18("9","5","7","1","4","9","1") = "8"
    & skf18("9","5","7","1","4","10","1") = "9"
    & skf18("9","5","7","1","5","1","1") = "8"
    & skf18("9","5","7","1","5","2","1") = "8"
    & skf18("9","5","7","1","5","3","1") = "8"
    & skf18("9","5","7","1","5","4","1") = "8"
    & skf18("9","5","7","1","5","5","1") = "8"
    & skf18("9","5","7","1","5","6","1") = "8"
    & skf18("9","5","7","1","5","7","1") = "8"
    & skf18("9","5","7","1","5","8","1") = "8"
    & skf18("9","5","7","1","5","9","1") = "8"
    & skf18("9","5","7","1","5","10","1") = "9"
    & skf18("9","5","7","1","6","1","1") = "8"
    & skf18("9","5","7","1","6","2","1") = "8"
    & skf18("9","5","7","1","6","3","1") = "8"
    & skf18("9","5","7","1","6","4","1") = "8"
    & skf18("9","5","7","1","6","5","1") = "8"
    & skf18("9","5","7","1","6","6","1") = "8"
    & skf18("9","5","7","1","6","7","1") = "8"
    & skf18("9","5","7","1","6","8","1") = "8"
    & skf18("9","5","7","1","6","9","1") = "8"
    & skf18("9","5","7","1","6","10","1") = "9"
    & skf18("9","5","7","1","7","1","1") = "8"
    & skf18("9","5","7","1","7","2","1") = "8"
    & skf18("9","5","7","1","7","3","1") = "8"
    & skf18("9","5","7","1","7","4","1") = "8"
    & skf18("9","5","7","1","7","5","1") = "8"
    & skf18("9","5","7","1","7","6","1") = "8"
    & skf18("9","5","7","1","7","7","1") = "8"
    & skf18("9","5","7","1","7","8","1") = "8"
    & skf18("9","5","7","1","7","9","1") = "8"
    & skf18("9","5","7","1","7","10","1") = "9"
    & skf18("9","5","7","1","8","1","1") = "8"
    & skf18("9","5","7","1","8","2","1") = "8"
    & skf18("9","5","7","1","8","3","1") = "8"
    & skf18("9","5","7","1","8","4","1") = "8"
    & skf18("9","5","7","1","8","5","1") = "8"
    & skf18("9","5","7","1","8","6","1") = "8"
    & skf18("9","5","7","1","8","7","1") = "8"
    & skf18("9","5","7","1","8","8","1") = "8"
    & skf18("9","5","7","1","8","9","1") = "8"
    & skf18("9","5","7","1","8","10","1") = "9"
    & skf18("9","5","7","1","9","1","1") = "8"
    & skf18("9","5","7","1","9","2","1") = "8"
    & skf18("9","5","7","1","9","3","1") = "8"
    & skf18("9","5","7","1","9","4","1") = "8"
    & skf18("9","5","7","1","9","5","1") = "8"
    & skf18("9","5","7","1","9","6","1") = "8"
    & skf18("9","5","7","1","9","7","1") = "8"
    & skf18("9","5","7","1","9","8","1") = "8"
    & skf18("9","5","7","1","9","9","1") = "8"
    & skf18("9","5","7","1","9","10","1") = "9"
    & skf18("9","5","7","1","10","1","1") = "9"
    & skf18("9","5","7","1","10","2","1") = "9"
    & skf18("9","5","7","1","10","3","1") = "9"
    & skf18("9","5","7","1","10","4","1") = "9"
    & skf18("9","5","7","1","10","5","1") = "9"
    & skf18("9","5","7","1","10","6","1") = "9"
    & skf18("9","5","7","1","10","7","1") = "9"
    & skf18("9","5","7","1","10","8","1") = "9"
    & skf18("9","5","7","1","10","9","1") = "9"
    & skf18("9","5","7","1","10","10","1") = "9"
    & skf18("9","5","7","2","1","1","1") = "8"
    & skf18("9","5","7","2","1","2","1") = "8"
    & skf18("9","5","7","2","1","3","1") = "8"
    & skf18("9","5","7","2","1","4","1") = "8"
    & skf18("9","5","7","2","1","5","1") = "8"
    & skf18("9","5","7","2","1","6","1") = "8"
    & skf18("9","5","7","2","1","7","1") = "8"
    & skf18("9","5","7","2","1","8","1") = "8"
    & skf18("9","5","7","2","1","9","1") = "8"
    & skf18("9","5","7","2","1","10","1") = "9"
    & skf18("9","5","7","2","2","1","1") = "8"
    & skf18("9","5","7","2","2","2","1") = "8"
    & skf18("9","5","7","2","2","3","1") = "8"
    & skf18("9","5","7","2","2","4","1") = "8"
    & skf18("9","5","7","2","2","5","1") = "8"
    & skf18("9","5","7","2","2","6","1") = "8"
    & skf18("9","5","7","2","2","7","1") = "8"
    & skf18("9","5","7","2","2","8","1") = "8"
    & skf18("9","5","7","2","2","9","1") = "8"
    & skf18("9","5","7","2","2","10","1") = "9"
    & skf18("9","5","7","2","3","1","1") = "8"
    & skf18("9","5","7","2","3","2","1") = "8"
    & skf18("9","5","7","2","3","3","1") = "8"
    & skf18("9","5","7","2","3","4","1") = "8"
    & skf18("9","5","7","2","3","5","1") = "8"
    & skf18("9","5","7","2","3","6","1") = "8"
    & skf18("9","5","7","2","3","7","1") = "8"
    & skf18("9","5","7","2","3","8","1") = "8"
    & skf18("9","5","7","2","3","9","1") = "8"
    & skf18("9","5","7","2","3","10","1") = "9"
    & skf18("9","5","7","2","4","1","1") = "8"
    & skf18("9","5","7","2","4","2","1") = "8"
    & skf18("9","5","7","2","4","3","1") = "8"
    & skf18("9","5","7","2","4","4","1") = "8"
    & skf18("9","5","7","2","4","5","1") = "8"
    & skf18("9","5","7","2","4","6","1") = "8"
    & skf18("9","5","7","2","4","7","1") = "8"
    & skf18("9","5","7","2","4","8","1") = "8"
    & skf18("9","5","7","2","4","9","1") = "8"
    & skf18("9","5","7","2","4","10","1") = "9"
    & skf18("9","5","7","2","5","1","1") = "8"
    & skf18("9","5","7","2","5","2","1") = "8"
    & skf18("9","5","7","2","5","3","1") = "8"
    & skf18("9","5","7","2","5","4","1") = "8"
    & skf18("9","5","7","2","5","5","1") = "8"
    & skf18("9","5","7","2","5","6","1") = "8"
    & skf18("9","5","7","2","5","7","1") = "8"
    & skf18("9","5","7","2","5","8","1") = "8"
    & skf18("9","5","7","2","5","9","1") = "8"
    & skf18("9","5","7","2","5","10","1") = "9"
    & skf18("9","5","7","2","6","1","1") = "8"
    & skf18("9","5","7","2","6","2","1") = "8"
    & skf18("9","5","7","2","6","3","1") = "8"
    & skf18("9","5","7","2","6","4","1") = "8"
    & skf18("9","5","7","2","6","5","1") = "8"
    & skf18("9","5","7","2","6","6","1") = "8"
    & skf18("9","5","7","2","6","7","1") = "8"
    & skf18("9","5","7","2","6","8","1") = "8"
    & skf18("9","5","7","2","6","9","1") = "8"
    & skf18("9","5","7","2","6","10","1") = "9"
    & skf18("9","5","7","2","7","1","1") = "8"
    & skf18("9","5","7","2","7","2","1") = "8"
    & skf18("9","5","7","2","7","3","1") = "8"
    & skf18("9","5","7","2","7","4","1") = "8"
    & skf18("9","5","7","2","7","5","1") = "8"
    & skf18("9","5","7","2","7","6","1") = "8"
    & skf18("9","5","7","2","7","7","1") = "8"
    & skf18("9","5","7","2","7","8","1") = "8"
    & skf18("9","5","7","2","7","9","1") = "8"
    & skf18("9","5","7","2","7","10","1") = "9"
    & skf18("9","5","7","2","8","1","1") = "8"
    & skf18("9","5","7","2","8","2","1") = "8"
    & skf18("9","5","7","2","8","3","1") = "8"
    & skf18("9","5","7","2","8","4","1") = "8"
    & skf18("9","5","7","2","8","5","1") = "8"
    & skf18("9","5","7","2","8","6","1") = "8"
    & skf18("9","5","7","2","8","7","1") = "8"
    & skf18("9","5","7","2","8","8","1") = "8"
    & skf18("9","5","7","2","8","9","1") = "8"
    & skf18("9","5","7","2","8","10","1") = "9"
    & skf18("9","5","7","2","9","1","1") = "8"
    & skf18("9","5","7","2","9","2","1") = "8"
    & skf18("9","5","7","2","9","3","1") = "8"
    & skf18("9","5","7","2","9","4","1") = "8"
    & skf18("9","5","7","2","9","5","1") = "8"
    & skf18("9","5","7","2","9","6","1") = "8"
    & skf18("9","5","7","2","9","7","1") = "8"
    & skf18("9","5","7","2","9","8","1") = "8"
    & skf18("9","5","7","2","9","9","1") = "8"
    & skf18("9","5","7","2","9","10","1") = "9"
    & skf18("9","5","7","2","10","1","1") = "9"
    & skf18("9","5","7","2","10","2","1") = "9"
    & skf18("9","5","7","2","10","3","1") = "9"
    & skf18("9","5","7","2","10","4","1") = "9"
    & skf18("9","5","7","2","10","5","1") = "9"
    & skf18("9","5","7","2","10","6","1") = "9"
    & skf18("9","5","7","2","10","7","1") = "9"
    & skf18("9","5","7","2","10","8","1") = "9"
    & skf18("9","5","7","2","10","9","1") = "9"
    & skf18("9","5","7","2","10","10","1") = "9"
    & skf18("9","5","7","3","1","1","1") = "8"
    & skf18("9","5","7","3","1","2","1") = "8"
    & skf18("9","5","7","3","1","3","1") = "8"
    & skf18("9","5","7","3","1","4","1") = "8"
    & skf18("9","5","7","3","1","5","1") = "8"
    & skf18("9","5","7","3","1","6","1") = "8"
    & skf18("9","5","7","3","1","7","1") = "8"
    & skf18("9","5","7","3","1","8","1") = "8"
    & skf18("9","5","7","3","1","9","1") = "8"
    & skf18("9","5","7","3","1","10","1") = "9"
    & skf18("9","5","7","3","2","1","1") = "8"
    & skf18("9","5","7","3","2","2","1") = "8"
    & skf18("9","5","7","3","2","3","1") = "8"
    & skf18("9","5","7","3","2","4","1") = "8"
    & skf18("9","5","7","3","2","5","1") = "8"
    & skf18("9","5","7","3","2","6","1") = "8"
    & skf18("9","5","7","3","2","7","1") = "8"
    & skf18("9","5","7","3","2","8","1") = "8"
    & skf18("9","5","7","3","2","9","1") = "8"
    & skf18("9","5","7","3","2","10","1") = "9"
    & skf18("9","5","7","3","3","1","1") = "8"
    & skf18("9","5","7","3","3","2","1") = "8"
    & skf18("9","5","7","3","3","3","1") = "8"
    & skf18("9","5","7","3","3","4","1") = "8"
    & skf18("9","5","7","3","3","5","1") = "8"
    & skf18("9","5","7","3","3","6","1") = "8"
    & skf18("9","5","7","3","3","7","1") = "8"
    & skf18("9","5","7","3","3","8","1") = "8"
    & skf18("9","5","7","3","3","9","1") = "8"
    & skf18("9","5","7","3","3","10","1") = "9"
    & skf18("9","5","7","3","4","1","1") = "8"
    & skf18("9","5","7","3","4","2","1") = "8"
    & skf18("9","5","7","3","4","3","1") = "8"
    & skf18("9","5","7","3","4","4","1") = "8"
    & skf18("9","5","7","3","4","5","1") = "8"
    & skf18("9","5","7","3","4","6","1") = "8"
    & skf18("9","5","7","3","4","7","1") = "8"
    & skf18("9","5","7","3","4","8","1") = "8"
    & skf18("9","5","7","3","4","9","1") = "8"
    & skf18("9","5","7","3","4","10","1") = "9"
    & skf18("9","5","7","3","5","1","1") = "8"
    & skf18("9","5","7","3","5","2","1") = "8"
    & skf18("9","5","7","3","5","3","1") = "8"
    & skf18("9","5","7","3","5","4","1") = "8"
    & skf18("9","5","7","3","5","5","1") = "8"
    & skf18("9","5","7","3","5","6","1") = "8"
    & skf18("9","5","7","3","5","7","1") = "8"
    & skf18("9","5","7","3","5","8","1") = "8"
    & skf18("9","5","7","3","5","9","1") = "8"
    & skf18("9","5","7","3","5","10","1") = "9"
    & skf18("9","5","7","3","6","1","1") = "8"
    & skf18("9","5","7","3","6","2","1") = "8"
    & skf18("9","5","7","3","6","3","1") = "8"
    & skf18("9","5","7","3","6","4","1") = "8"
    & skf18("9","5","7","3","6","5","1") = "8"
    & skf18("9","5","7","3","6","6","1") = "8"
    & skf18("9","5","7","3","6","7","1") = "8"
    & skf18("9","5","7","3","6","8","1") = "8"
    & skf18("9","5","7","3","6","9","1") = "8"
    & skf18("9","5","7","3","6","10","1") = "9"
    & skf18("9","5","7","3","7","1","1") = "8"
    & skf18("9","5","7","3","7","2","1") = "8"
    & skf18("9","5","7","3","7","3","1") = "8"
    & skf18("9","5","7","3","7","4","1") = "8"
    & skf18("9","5","7","3","7","5","1") = "8"
    & skf18("9","5","7","3","7","6","1") = "8"
    & skf18("9","5","7","3","7","7","1") = "8"
    & skf18("9","5","7","3","7","8","1") = "8"
    & skf18("9","5","7","3","7","9","1") = "8"
    & skf18("9","5","7","3","7","10","1") = "9"
    & skf18("9","5","7","3","8","1","1") = "8"
    & skf18("9","5","7","3","8","2","1") = "8"
    & skf18("9","5","7","3","8","3","1") = "8"
    & skf18("9","5","7","3","8","4","1") = "8"
    & skf18("9","5","7","3","8","5","1") = "8"
    & skf18("9","5","7","3","8","6","1") = "8"
    & skf18("9","5","7","3","8","7","1") = "8"
    & skf18("9","5","7","3","8","8","1") = "8"
    & skf18("9","5","7","3","8","9","1") = "8"
    & skf18("9","5","7","3","8","10","1") = "9"
    & skf18("9","5","7","3","9","1","1") = "8"
    & skf18("9","5","7","3","9","2","1") = "8"
    & skf18("9","5","7","3","9","3","1") = "8"
    & skf18("9","5","7","3","9","4","1") = "8"
    & skf18("9","5","7","3","9","5","1") = "8"
    & skf18("9","5","7","3","9","6","1") = "8"
    & skf18("9","5","7","3","9","7","1") = "8"
    & skf18("9","5","7","3","9","8","1") = "8"
    & skf18("9","5","7","3","9","9","1") = "8"
    & skf18("9","5","7","3","9","10","1") = "9"
    & skf18("9","5","7","3","10","1","1") = "9"
    & skf18("9","5","7","3","10","2","1") = "9"
    & skf18("9","5","7","3","10","3","1") = "9"
    & skf18("9","5","7","3","10","4","1") = "9"
    & skf18("9","5","7","3","10","5","1") = "9"
    & skf18("9","5","7","3","10","6","1") = "9"
    & skf18("9","5","7","3","10","7","1") = "9"
    & skf18("9","5","7","3","10","8","1") = "9"
    & skf18("9","5","7","3","10","9","1") = "9"
    & skf18("9","5","7","3","10","10","1") = "9"
    & skf18("9","5","7","4","1","1","1") = "8"
    & skf18("9","5","7","4","1","2","1") = "8"
    & skf18("9","5","7","4","1","3","1") = "8"
    & skf18("9","5","7","4","1","4","1") = "8"
    & skf18("9","5","7","4","1","5","1") = "8"
    & skf18("9","5","7","4","1","6","1") = "8"
    & skf18("9","5","7","4","1","7","1") = "8"
    & skf18("9","5","7","4","1","8","1") = "8"
    & skf18("9","5","7","4","1","9","1") = "8"
    & skf18("9","5","7","4","1","10","1") = "9"
    & skf18("9","5","7","4","2","1","1") = "8"
    & skf18("9","5","7","4","2","2","1") = "8"
    & skf18("9","5","7","4","2","3","1") = "8"
    & skf18("9","5","7","4","2","4","1") = "8"
    & skf18("9","5","7","4","2","5","1") = "8"
    & skf18("9","5","7","4","2","6","1") = "8"
    & skf18("9","5","7","4","2","7","1") = "8"
    & skf18("9","5","7","4","2","8","1") = "8"
    & skf18("9","5","7","4","2","9","1") = "8"
    & skf18("9","5","7","4","2","10","1") = "9"
    & skf18("9","5","7","4","3","1","1") = "8"
    & skf18("9","5","7","4","3","2","1") = "8"
    & skf18("9","5","7","4","3","3","1") = "8"
    & skf18("9","5","7","4","3","4","1") = "8"
    & skf18("9","5","7","4","3","5","1") = "8"
    & skf18("9","5","7","4","3","6","1") = "8"
    & skf18("9","5","7","4","3","7","1") = "8"
    & skf18("9","5","7","4","3","8","1") = "8"
    & skf18("9","5","7","4","3","9","1") = "8"
    & skf18("9","5","7","4","3","10","1") = "9"
    & skf18("9","5","7","4","4","1","1") = "8"
    & skf18("9","5","7","4","4","2","1") = "8"
    & skf18("9","5","7","4","4","3","1") = "8"
    & skf18("9","5","7","4","4","4","1") = "8"
    & skf18("9","5","7","4","4","5","1") = "8"
    & skf18("9","5","7","4","4","6","1") = "8"
    & skf18("9","5","7","4","4","7","1") = "8"
    & skf18("9","5","7","4","4","8","1") = "8"
    & skf18("9","5","7","4","4","9","1") = "8"
    & skf18("9","5","7","4","4","10","1") = "9"
    & skf18("9","5","7","4","5","1","1") = "8"
    & skf18("9","5","7","4","5","2","1") = "8"
    & skf18("9","5","7","4","5","3","1") = "8"
    & skf18("9","5","7","4","5","4","1") = "8"
    & skf18("9","5","7","4","5","5","1") = "8"
    & skf18("9","5","7","4","5","6","1") = "8"
    & skf18("9","5","7","4","5","7","1") = "8"
    & skf18("9","5","7","4","5","8","1") = "8"
    & skf18("9","5","7","4","5","9","1") = "8"
    & skf18("9","5","7","4","5","10","1") = "9"
    & skf18("9","5","7","4","6","1","1") = "8"
    & skf18("9","5","7","4","6","2","1") = "8"
    & skf18("9","5","7","4","6","3","1") = "8"
    & skf18("9","5","7","4","6","4","1") = "8"
    & skf18("9","5","7","4","6","5","1") = "8"
    & skf18("9","5","7","4","6","6","1") = "8"
    & skf18("9","5","7","4","6","7","1") = "8"
    & skf18("9","5","7","4","6","8","1") = "8"
    & skf18("9","5","7","4","6","9","1") = "8"
    & skf18("9","5","7","4","6","10","1") = "9"
    & skf18("9","5","7","4","7","1","1") = "8"
    & skf18("9","5","7","4","7","2","1") = "8"
    & skf18("9","5","7","4","7","3","1") = "8"
    & skf18("9","5","7","4","7","4","1") = "8"
    & skf18("9","5","7","4","7","5","1") = "8"
    & skf18("9","5","7","4","7","6","1") = "8"
    & skf18("9","5","7","4","7","7","1") = "8"
    & skf18("9","5","7","4","7","8","1") = "8"
    & skf18("9","5","7","4","7","9","1") = "8"
    & skf18("9","5","7","4","7","10","1") = "9"
    & skf18("9","5","7","4","8","1","1") = "8"
    & skf18("9","5","7","4","8","2","1") = "8"
    & skf18("9","5","7","4","8","3","1") = "8"
    & skf18("9","5","7","4","8","4","1") = "8"
    & skf18("9","5","7","4","8","5","1") = "8"
    & skf18("9","5","7","4","8","6","1") = "8"
    & skf18("9","5","7","4","8","7","1") = "8"
    & skf18("9","5","7","4","8","8","1") = "8"
    & skf18("9","5","7","4","8","9","1") = "8"
    & skf18("9","5","7","4","8","10","1") = "9"
    & skf18("9","5","7","4","9","1","1") = "8"
    & skf18("9","5","7","4","9","2","1") = "8"
    & skf18("9","5","7","4","9","3","1") = "8"
    & skf18("9","5","7","4","9","4","1") = "8"
    & skf18("9","5","7","4","9","5","1") = "8"
    & skf18("9","5","7","4","9","6","1") = "8"
    & skf18("9","5","7","4","9","7","1") = "8"
    & skf18("9","5","7","4","9","8","1") = "8"
    & skf18("9","5","7","4","9","9","1") = "8"
    & skf18("9","5","7","4","9","10","1") = "9"
    & skf18("9","5","7","4","10","1","1") = "9"
    & skf18("9","5","7","4","10","2","1") = "9"
    & skf18("9","5","7","4","10","3","1") = "9"
    & skf18("9","5","7","4","10","4","1") = "9"
    & skf18("9","5","7","4","10","5","1") = "9"
    & skf18("9","5","7","4","10","6","1") = "9"
    & skf18("9","5","7","4","10","7","1") = "9"
    & skf18("9","5","7","4","10","8","1") = "9"
    & skf18("9","5","7","4","10","9","1") = "9"
    & skf18("9","5","7","4","10","10","1") = "9"
    & skf18("9","5","7","5","1","1","1") = "8"
    & skf18("9","5","7","5","1","2","1") = "8"
    & skf18("9","5","7","5","1","3","1") = "8"
    & skf18("9","5","7","5","1","4","1") = "8"
    & skf18("9","5","7","5","1","5","1") = "8"
    & skf18("9","5","7","5","1","6","1") = "8"
    & skf18("9","5","7","5","1","7","1") = "8"
    & skf18("9","5","7","5","1","8","1") = "8"
    & skf18("9","5","7","5","1","9","1") = "8"
    & skf18("9","5","7","5","1","10","1") = "9"
    & skf18("9","5","7","5","2","1","1") = "8"
    & skf18("9","5","7","5","2","2","1") = "8"
    & skf18("9","5","7","5","2","3","1") = "8"
    & skf18("9","5","7","5","2","4","1") = "8"
    & skf18("9","5","7","5","2","5","1") = "8"
    & skf18("9","5","7","5","2","6","1") = "8"
    & skf18("9","5","7","5","2","7","1") = "8"
    & skf18("9","5","7","5","2","8","1") = "8"
    & skf18("9","5","7","5","2","9","1") = "8"
    & skf18("9","5","7","5","2","10","1") = "9"
    & skf18("9","5","7","5","3","1","1") = "8"
    & skf18("9","5","7","5","3","2","1") = "8"
    & skf18("9","5","7","5","3","3","1") = "8"
    & skf18("9","5","7","5","3","4","1") = "8"
    & skf18("9","5","7","5","3","5","1") = "8"
    & skf18("9","5","7","5","3","6","1") = "8"
    & skf18("9","5","7","5","3","7","1") = "8"
    & skf18("9","5","7","5","3","8","1") = "8"
    & skf18("9","5","7","5","3","9","1") = "8"
    & skf18("9","5","7","5","3","10","1") = "9"
    & skf18("9","5","7","5","4","1","1") = "8"
    & skf18("9","5","7","5","4","2","1") = "8"
    & skf18("9","5","7","5","4","3","1") = "8"
    & skf18("9","5","7","5","4","4","1") = "8"
    & skf18("9","5","7","5","4","5","1") = "8"
    & skf18("9","5","7","5","4","6","1") = "8"
    & skf18("9","5","7","5","4","7","1") = "8"
    & skf18("9","5","7","5","4","8","1") = "8"
    & skf18("9","5","7","5","4","9","1") = "8"
    & skf18("9","5","7","5","4","10","1") = "9"
    & skf18("9","5","7","5","5","1","1") = "8"
    & skf18("9","5","7","5","5","2","1") = "8"
    & skf18("9","5","7","5","5","3","1") = "8"
    & skf18("9","5","7","5","5","4","1") = "8"
    & skf18("9","5","7","5","5","5","1") = "8"
    & skf18("9","5","7","5","5","6","1") = "8"
    & skf18("9","5","7","5","5","7","1") = "8"
    & skf18("9","5","7","5","5","8","1") = "8"
    & skf18("9","5","7","5","5","9","1") = "8"
    & skf18("9","5","7","5","5","10","1") = "9"
    & skf18("9","5","7","5","6","1","1") = "8"
    & skf18("9","5","7","5","6","2","1") = "8"
    & skf18("9","5","7","5","6","3","1") = "8"
    & skf18("9","5","7","5","6","4","1") = "8"
    & skf18("9","5","7","5","6","5","1") = "8"
    & skf18("9","5","7","5","6","6","1") = "8"
    & skf18("9","5","7","5","6","7","1") = "8"
    & skf18("9","5","7","5","6","8","1") = "8"
    & skf18("9","5","7","5","6","9","1") = "8"
    & skf18("9","5","7","5","6","10","1") = "9"
    & skf18("9","5","7","5","7","1","1") = "8"
    & skf18("9","5","7","5","7","2","1") = "8"
    & skf18("9","5","7","5","7","3","1") = "8"
    & skf18("9","5","7","5","7","4","1") = "8"
    & skf18("9","5","7","5","7","5","1") = "8"
    & skf18("9","5","7","5","7","6","1") = "8"
    & skf18("9","5","7","5","7","7","1") = "8"
    & skf18("9","5","7","5","7","8","1") = "8"
    & skf18("9","5","7","5","7","9","1") = "8"
    & skf18("9","5","7","5","7","10","1") = "9"
    & skf18("9","5","7","5","8","1","1") = "8"
    & skf18("9","5","7","5","8","2","1") = "8"
    & skf18("9","5","7","5","8","3","1") = "8"
    & skf18("9","5","7","5","8","4","1") = "8"
    & skf18("9","5","7","5","8","5","1") = "8"
    & skf18("9","5","7","5","8","6","1") = "8"
    & skf18("9","5","7","5","8","7","1") = "8"
    & skf18("9","5","7","5","8","8","1") = "8"
    & skf18("9","5","7","5","8","9","1") = "8"
    & skf18("9","5","7","5","8","10","1") = "9"
    & skf18("9","5","7","5","9","1","1") = "8"
    & skf18("9","5","7","5","9","2","1") = "8"
    & skf18("9","5","7","5","9","3","1") = "8"
    & skf18("9","5","7","5","9","4","1") = "8"
    & skf18("9","5","7","5","9","5","1") = "8"
    & skf18("9","5","7","5","9","6","1") = "8"
    & skf18("9","5","7","5","9","7","1") = "8"
    & skf18("9","5","7","5","9","8","1") = "8"
    & skf18("9","5","7","5","9","9","1") = "8"
    & skf18("9","5","7","5","9","10","1") = "9"
    & skf18("9","5","7","5","10","1","1") = "9"
    & skf18("9","5","7","5","10","2","1") = "9"
    & skf18("9","5","7","5","10","3","1") = "9"
    & skf18("9","5","7","5","10","4","1") = "9"
    & skf18("9","5","7","5","10","5","1") = "9"
    & skf18("9","5","7","5","10","6","1") = "9"
    & skf18("9","5","7","5","10","7","1") = "9"
    & skf18("9","5","7","5","10","8","1") = "9"
    & skf18("9","5","7","5","10","9","1") = "9"
    & skf18("9","5","7","5","10","10","1") = "9"
    & skf18("9","5","7","6","1","1","1") = "8"
    & skf18("9","5","7","6","1","2","1") = "8"
    & skf18("9","5","7","6","1","3","1") = "8"
    & skf18("9","5","7","6","1","4","1") = "8"
    & skf18("9","5","7","6","1","5","1") = "8"
    & skf18("9","5","7","6","1","6","1") = "8"
    & skf18("9","5","7","6","1","7","1") = "8"
    & skf18("9","5","7","6","1","8","1") = "8"
    & skf18("9","5","7","6","1","9","1") = "8"
    & skf18("9","5","7","6","1","10","1") = "9"
    & skf18("9","5","7","6","2","1","1") = "8"
    & skf18("9","5","7","6","2","2","1") = "8"
    & skf18("9","5","7","6","2","3","1") = "8"
    & skf18("9","5","7","6","2","4","1") = "8"
    & skf18("9","5","7","6","2","5","1") = "8"
    & skf18("9","5","7","6","2","6","1") = "8"
    & skf18("9","5","7","6","2","7","1") = "8"
    & skf18("9","5","7","6","2","8","1") = "8"
    & skf18("9","5","7","6","2","9","1") = "8"
    & skf18("9","5","7","6","2","10","1") = "9"
    & skf18("9","5","7","6","3","1","1") = "8"
    & skf18("9","5","7","6","3","2","1") = "8"
    & skf18("9","5","7","6","3","3","1") = "8"
    & skf18("9","5","7","6","3","4","1") = "8"
    & skf18("9","5","7","6","3","5","1") = "8"
    & skf18("9","5","7","6","3","6","1") = "8"
    & skf18("9","5","7","6","3","7","1") = "8"
    & skf18("9","5","7","6","3","8","1") = "8"
    & skf18("9","5","7","6","3","9","1") = "8"
    & skf18("9","5","7","6","3","10","1") = "9"
    & skf18("9","5","7","6","4","1","1") = "8"
    & skf18("9","5","7","6","4","2","1") = "8"
    & skf18("9","5","7","6","4","3","1") = "8"
    & skf18("9","5","7","6","4","4","1") = "8"
    & skf18("9","5","7","6","4","5","1") = "8"
    & skf18("9","5","7","6","4","6","1") = "8"
    & skf18("9","5","7","6","4","7","1") = "8"
    & skf18("9","5","7","6","4","8","1") = "8"
    & skf18("9","5","7","6","4","9","1") = "8"
    & skf18("9","5","7","6","4","10","1") = "9"
    & skf18("9","5","7","6","5","1","1") = "8"
    & skf18("9","5","7","6","5","2","1") = "8"
    & skf18("9","5","7","6","5","3","1") = "8"
    & skf18("9","5","7","6","5","4","1") = "8"
    & skf18("9","5","7","6","5","5","1") = "8"
    & skf18("9","5","7","6","5","6","1") = "8"
    & skf18("9","5","7","6","5","7","1") = "8"
    & skf18("9","5","7","6","5","8","1") = "8"
    & skf18("9","5","7","6","5","9","1") = "8"
    & skf18("9","5","7","6","5","10","1") = "9"
    & skf18("9","5","7","6","6","1","1") = "8"
    & skf18("9","5","7","6","6","2","1") = "8"
    & skf18("9","5","7","6","6","3","1") = "8"
    & skf18("9","5","7","6","6","4","1") = "8"
    & skf18("9","5","7","6","6","5","1") = "8"
    & skf18("9","5","7","6","6","6","1") = "8"
    & skf18("9","5","7","6","6","7","1") = "8"
    & skf18("9","5","7","6","6","8","1") = "8"
    & skf18("9","5","7","6","6","9","1") = "8"
    & skf18("9","5","7","6","6","10","1") = "9"
    & skf18("9","5","7","6","7","1","1") = "8"
    & skf18("9","5","7","6","7","2","1") = "8"
    & skf18("9","5","7","6","7","3","1") = "8"
    & skf18("9","5","7","6","7","4","1") = "8"
    & skf18("9","5","7","6","7","5","1") = "8"
    & skf18("9","5","7","6","7","6","1") = "8"
    & skf18("9","5","7","6","7","7","1") = "8"
    & skf18("9","5","7","6","7","8","1") = "8"
    & skf18("9","5","7","6","7","9","1") = "8"
    & skf18("9","5","7","6","7","10","1") = "9"
    & skf18("9","5","7","6","8","1","1") = "8"
    & skf18("9","5","7","6","8","2","1") = "8"
    & skf18("9","5","7","6","8","3","1") = "8"
    & skf18("9","5","7","6","8","4","1") = "8"
    & skf18("9","5","7","6","8","5","1") = "8"
    & skf18("9","5","7","6","8","6","1") = "8"
    & skf18("9","5","7","6","8","7","1") = "8"
    & skf18("9","5","7","6","8","8","1") = "8"
    & skf18("9","5","7","6","8","9","1") = "8"
    & skf18("9","5","7","6","8","10","1") = "9"
    & skf18("9","5","7","6","9","1","1") = "8"
    & skf18("9","5","7","6","9","2","1") = "8"
    & skf18("9","5","7","6","9","3","1") = "8"
    & skf18("9","5","7","6","9","4","1") = "8"
    & skf18("9","5","7","6","9","5","1") = "8"
    & skf18("9","5","7","6","9","6","1") = "8"
    & skf18("9","5","7","6","9","7","1") = "8"
    & skf18("9","5","7","6","9","8","1") = "8"
    & skf18("9","5","7","6","9","9","1") = "8"
    & skf18("9","5","7","6","9","10","1") = "9"
    & skf18("9","5","7","6","10","1","1") = "9"
    & skf18("9","5","7","6","10","2","1") = "9"
    & skf18("9","5","7","6","10","3","1") = "9"
    & skf18("9","5","7","6","10","4","1") = "9"
    & skf18("9","5","7","6","10","5","1") = "9"
    & skf18("9","5","7","6","10","6","1") = "9"
    & skf18("9","5","7","6","10","7","1") = "9"
    & skf18("9","5","7","6","10","8","1") = "9"
    & skf18("9","5","7","6","10","9","1") = "9"
    & skf18("9","5","7","6","10","10","1") = "9"
    & skf18("9","5","7","7","1","1","1") = "8"
    & skf18("9","5","7","7","1","2","1") = "8"
    & skf18("9","5","7","7","1","3","1") = "8"
    & skf18("9","5","7","7","1","4","1") = "8"
    & skf18("9","5","7","7","1","5","1") = "8"
    & skf18("9","5","7","7","1","6","1") = "8"
    & skf18("9","5","7","7","1","7","1") = "8"
    & skf18("9","5","7","7","1","8","1") = "8"
    & skf18("9","5","7","7","1","9","1") = "8"
    & skf18("9","5","7","7","1","10","1") = "9"
    & skf18("9","5","7","7","2","1","1") = "8"
    & skf18("9","5","7","7","2","2","1") = "8"
    & skf18("9","5","7","7","2","3","1") = "8"
    & skf18("9","5","7","7","2","4","1") = "8"
    & skf18("9","5","7","7","2","5","1") = "8"
    & skf18("9","5","7","7","2","6","1") = "8"
    & skf18("9","5","7","7","2","7","1") = "8"
    & skf18("9","5","7","7","2","8","1") = "8"
    & skf18("9","5","7","7","2","9","1") = "8"
    & skf18("9","5","7","7","2","10","1") = "9"
    & skf18("9","5","7","7","3","1","1") = "8"
    & skf18("9","5","7","7","3","2","1") = "8"
    & skf18("9","5","7","7","3","3","1") = "8"
    & skf18("9","5","7","7","3","4","1") = "8"
    & skf18("9","5","7","7","3","5","1") = "8"
    & skf18("9","5","7","7","3","6","1") = "8"
    & skf18("9","5","7","7","3","7","1") = "8"
    & skf18("9","5","7","7","3","8","1") = "8"
    & skf18("9","5","7","7","3","9","1") = "8"
    & skf18("9","5","7","7","3","10","1") = "9"
    & skf18("9","5","7","7","4","1","1") = "8"
    & skf18("9","5","7","7","4","2","1") = "8"
    & skf18("9","5","7","7","4","3","1") = "8"
    & skf18("9","5","7","7","4","4","1") = "8"
    & skf18("9","5","7","7","4","5","1") = "8"
    & skf18("9","5","7","7","4","6","1") = "8"
    & skf18("9","5","7","7","4","7","1") = "8"
    & skf18("9","5","7","7","4","8","1") = "8"
    & skf18("9","5","7","7","4","9","1") = "8"
    & skf18("9","5","7","7","4","10","1") = "9"
    & skf18("9","5","7","7","5","1","1") = "8"
    & skf18("9","5","7","7","5","2","1") = "8"
    & skf18("9","5","7","7","5","3","1") = "8"
    & skf18("9","5","7","7","5","4","1") = "8"
    & skf18("9","5","7","7","5","5","1") = "8"
    & skf18("9","5","7","7","5","6","1") = "8"
    & skf18("9","5","7","7","5","7","1") = "8"
    & skf18("9","5","7","7","5","8","1") = "8"
    & skf18("9","5","7","7","5","9","1") = "8"
    & skf18("9","5","7","7","5","10","1") = "9"
    & skf18("9","5","7","7","6","1","1") = "8"
    & skf18("9","5","7","7","6","2","1") = "8"
    & skf18("9","5","7","7","6","3","1") = "8"
    & skf18("9","5","7","7","6","4","1") = "8"
    & skf18("9","5","7","7","6","5","1") = "8"
    & skf18("9","5","7","7","6","6","1") = "8"
    & skf18("9","5","7","7","6","7","1") = "8"
    & skf18("9","5","7","7","6","8","1") = "8"
    & skf18("9","5","7","7","6","9","1") = "8"
    & skf18("9","5","7","7","6","10","1") = "9"
    & skf18("9","5","7","7","7","1","1") = "8"
    & skf18("9","5","7","7","7","2","1") = "8"
    & skf18("9","5","7","7","7","3","1") = "8"
    & skf18("9","5","7","7","7","4","1") = "8"
    & skf18("9","5","7","7","7","5","1") = "8"
    & skf18("9","5","7","7","7","6","1") = "8"
    & skf18("9","5","7","7","7","7","1") = "8"
    & skf18("9","5","7","7","7","8","1") = "8"
    & skf18("9","5","7","7","7","9","1") = "8"
    & skf18("9","5","7","7","7","10","1") = "9"
    & skf18("9","5","7","7","8","1","1") = "8"
    & skf18("9","5","7","7","8","2","1") = "8"
    & skf18("9","5","7","7","8","3","1") = "8"
    & skf18("9","5","7","7","8","4","1") = "8"
    & skf18("9","5","7","7","8","5","1") = "8"
    & skf18("9","5","7","7","8","6","1") = "8"
    & skf18("9","5","7","7","8","7","1") = "8"
    & skf18("9","5","7","7","8","8","1") = "8"
    & skf18("9","5","7","7","8","9","1") = "8"
    & skf18("9","5","7","7","8","10","1") = "9"
    & skf18("9","5","7","7","9","1","1") = "8"
    & skf18("9","5","7","7","9","2","1") = "8"
    & skf18("9","5","7","7","9","3","1") = "8"
    & skf18("9","5","7","7","9","4","1") = "8"
    & skf18("9","5","7","7","9","5","1") = "8"
    & skf18("9","5","7","7","9","6","1") = "8"
    & skf18("9","5","7","7","9","7","1") = "8"
    & skf18("9","5","7","7","9","8","1") = "8"
    & skf18("9","5","7","7","9","9","1") = "8"
    & skf18("9","5","7","7","9","10","1") = "9"
    & skf18("9","5","7","7","10","1","1") = "9"
    & skf18("9","5","7","7","10","2","1") = "9"
    & skf18("9","5","7","7","10","3","1") = "9"
    & skf18("9","5","7","7","10","4","1") = "9"
    & skf18("9","5","7","7","10","5","1") = "9"
    & skf18("9","5","7","7","10","6","1") = "9"
    & skf18("9","5","7","7","10","7","1") = "9"
    & skf18("9","5","7","7","10","8","1") = "9"
    & skf18("9","5","7","7","10","9","1") = "9"
    & skf18("9","5","7","7","10","10","1") = "9"
    & skf18("9","5","7","8","1","1","1") = "8"
    & skf18("9","5","7","8","1","2","1") = "8"
    & skf18("9","5","7","8","1","3","1") = "8"
    & skf18("9","5","7","8","1","4","1") = "8"
    & skf18("9","5","7","8","1","5","1") = "8"
    & skf18("9","5","7","8","1","6","1") = "8"
    & skf18("9","5","7","8","1","7","1") = "8"
    & skf18("9","5","7","8","1","8","1") = "8"
    & skf18("9","5","7","8","1","9","1") = "8"
    & skf18("9","5","7","8","1","10","1") = "9"
    & skf18("9","5","7","8","2","1","1") = "8"
    & skf18("9","5","7","8","2","2","1") = "8"
    & skf18("9","5","7","8","2","3","1") = "8"
    & skf18("9","5","7","8","2","4","1") = "8"
    & skf18("9","5","7","8","2","5","1") = "8"
    & skf18("9","5","7","8","2","6","1") = "8"
    & skf18("9","5","7","8","2","7","1") = "8"
    & skf18("9","5","7","8","2","8","1") = "8"
    & skf18("9","5","7","8","2","9","1") = "8"
    & skf18("9","5","7","8","2","10","1") = "9"
    & skf18("9","5","7","8","3","1","1") = "8"
    & skf18("9","5","7","8","3","2","1") = "8"
    & skf18("9","5","7","8","3","3","1") = "8"
    & skf18("9","5","7","8","3","4","1") = "8"
    & skf18("9","5","7","8","3","5","1") = "8"
    & skf18("9","5","7","8","3","6","1") = "8"
    & skf18("9","5","7","8","3","7","1") = "8"
    & skf18("9","5","7","8","3","8","1") = "8"
    & skf18("9","5","7","8","3","9","1") = "8"
    & skf18("9","5","7","8","3","10","1") = "9"
    & skf18("9","5","7","8","4","1","1") = "8"
    & skf18("9","5","7","8","4","2","1") = "8"
    & skf18("9","5","7","8","4","3","1") = "8"
    & skf18("9","5","7","8","4","4","1") = "8"
    & skf18("9","5","7","8","4","5","1") = "8"
    & skf18("9","5","7","8","4","6","1") = "8"
    & skf18("9","5","7","8","4","7","1") = "8"
    & skf18("9","5","7","8","4","8","1") = "8"
    & skf18("9","5","7","8","4","9","1") = "8"
    & skf18("9","5","7","8","4","10","1") = "9"
    & skf18("9","5","7","8","5","1","1") = "8"
    & skf18("9","5","7","8","5","2","1") = "8"
    & skf18("9","5","7","8","5","3","1") = "8"
    & skf18("9","5","7","8","5","4","1") = "8"
    & skf18("9","5","7","8","5","5","1") = "8"
    & skf18("9","5","7","8","5","6","1") = "8"
    & skf18("9","5","7","8","5","7","1") = "8"
    & skf18("9","5","7","8","5","8","1") = "8"
    & skf18("9","5","7","8","5","9","1") = "8"
    & skf18("9","5","7","8","5","10","1") = "9"
    & skf18("9","5","7","8","6","1","1") = "8"
    & skf18("9","5","7","8","6","2","1") = "8"
    & skf18("9","5","7","8","6","3","1") = "8"
    & skf18("9","5","7","8","6","4","1") = "8"
    & skf18("9","5","7","8","6","5","1") = "8"
    & skf18("9","5","7","8","6","6","1") = "8"
    & skf18("9","5","7","8","6","7","1") = "8"
    & skf18("9","5","7","8","6","8","1") = "8"
    & skf18("9","5","7","8","6","9","1") = "8"
    & skf18("9","5","7","8","6","10","1") = "9"
    & skf18("9","5","7","8","7","1","1") = "8"
    & skf18("9","5","7","8","7","2","1") = "8"
    & skf18("9","5","7","8","7","3","1") = "8"
    & skf18("9","5","7","8","7","4","1") = "8"
    & skf18("9","5","7","8","7","5","1") = "8"
    & skf18("9","5","7","8","7","6","1") = "8"
    & skf18("9","5","7","8","7","7","1") = "8"
    & skf18("9","5","7","8","7","8","1") = "8"
    & skf18("9","5","7","8","7","9","1") = "8"
    & skf18("9","5","7","8","7","10","1") = "9"
    & skf18("9","5","7","8","8","1","1") = "8"
    & skf18("9","5","7","8","8","2","1") = "8"
    & skf18("9","5","7","8","8","3","1") = "8"
    & skf18("9","5","7","8","8","4","1") = "8"
    & skf18("9","5","7","8","8","5","1") = "8"
    & skf18("9","5","7","8","8","6","1") = "8"
    & skf18("9","5","7","8","8","7","1") = "8"
    & skf18("9","5","7","8","8","8","1") = "8"
    & skf18("9","5","7","8","8","9","1") = "8"
    & skf18("9","5","7","8","8","10","1") = "9"
    & skf18("9","5","7","8","9","1","1") = "8"
    & skf18("9","5","7","8","9","2","1") = "8"
    & skf18("9","5","7","8","9","3","1") = "8"
    & skf18("9","5","7","8","9","4","1") = "8"
    & skf18("9","5","7","8","9","5","1") = "8"
    & skf18("9","5","7","8","9","6","1") = "8"
    & skf18("9","5","7","8","9","7","1") = "8"
    & skf18("9","5","7","8","9","8","1") = "8"
    & skf18("9","5","7","8","9","9","1") = "8"
    & skf18("9","5","7","8","9","10","1") = "9"
    & skf18("9","5","7","8","10","1","1") = "9"
    & skf18("9","5","7","8","10","2","1") = "9"
    & skf18("9","5","7","8","10","3","1") = "9"
    & skf18("9","5","7","8","10","4","1") = "9"
    & skf18("9","5","7","8","10","5","1") = "9"
    & skf18("9","5","7","8","10","6","1") = "9"
    & skf18("9","5","7","8","10","7","1") = "9"
    & skf18("9","5","7","8","10","8","1") = "9"
    & skf18("9","5","7","8","10","9","1") = "9"
    & skf18("9","5","7","8","10","10","1") = "9"
    & skf18("9","5","7","9","1","1","1") = "8"
    & skf18("9","5","7","9","1","2","1") = "8"
    & skf18("9","5","7","9","1","3","1") = "8"
    & skf18("9","5","7","9","1","4","1") = "8"
    & skf18("9","5","7","9","1","5","1") = "8"
    & skf18("9","5","7","9","1","6","1") = "8"
    & skf18("9","5","7","9","1","7","1") = "8"
    & skf18("9","5","7","9","1","8","1") = "8"
    & skf18("9","5","7","9","1","9","1") = "8"
    & skf18("9","5","7","9","1","10","1") = "9"
    & skf18("9","5","7","9","2","1","1") = "8"
    & skf18("9","5","7","9","2","2","1") = "8"
    & skf18("9","5","7","9","2","3","1") = "8"
    & skf18("9","5","7","9","2","4","1") = "8"
    & skf18("9","5","7","9","2","5","1") = "8"
    & skf18("9","5","7","9","2","6","1") = "8"
    & skf18("9","5","7","9","2","7","1") = "8"
    & skf18("9","5","7","9","2","8","1") = "8"
    & skf18("9","5","7","9","2","9","1") = "8"
    & skf18("9","5","7","9","2","10","1") = "9"
    & skf18("9","5","7","9","3","1","1") = "8"
    & skf18("9","5","7","9","3","2","1") = "8"
    & skf18("9","5","7","9","3","3","1") = "8"
    & skf18("9","5","7","9","3","4","1") = "8"
    & skf18("9","5","7","9","3","5","1") = "8"
    & skf18("9","5","7","9","3","6","1") = "8"
    & skf18("9","5","7","9","3","7","1") = "8"
    & skf18("9","5","7","9","3","8","1") = "8"
    & skf18("9","5","7","9","3","9","1") = "8"
    & skf18("9","5","7","9","3","10","1") = "9"
    & skf18("9","5","7","9","4","1","1") = "8"
    & skf18("9","5","7","9","4","2","1") = "8"
    & skf18("9","5","7","9","4","3","1") = "8"
    & skf18("9","5","7","9","4","4","1") = "8"
    & skf18("9","5","7","9","4","5","1") = "8"
    & skf18("9","5","7","9","4","6","1") = "8"
    & skf18("9","5","7","9","4","7","1") = "8"
    & skf18("9","5","7","9","4","8","1") = "8"
    & skf18("9","5","7","9","4","9","1") = "8"
    & skf18("9","5","7","9","4","10","1") = "9"
    & skf18("9","5","7","9","5","1","1") = "8"
    & skf18("9","5","7","9","5","2","1") = "8"
    & skf18("9","5","7","9","5","3","1") = "8"
    & skf18("9","5","7","9","5","4","1") = "8"
    & skf18("9","5","7","9","5","5","1") = "8"
    & skf18("9","5","7","9","5","6","1") = "8"
    & skf18("9","5","7","9","5","7","1") = "8"
    & skf18("9","5","7","9","5","8","1") = "8"
    & skf18("9","5","7","9","5","9","1") = "8"
    & skf18("9","5","7","9","5","10","1") = "9"
    & skf18("9","5","7","9","6","1","1") = "8"
    & skf18("9","5","7","9","6","2","1") = "8"
    & skf18("9","5","7","9","6","3","1") = "8"
    & skf18("9","5","7","9","6","4","1") = "8"
    & skf18("9","5","7","9","6","5","1") = "8"
    & skf18("9","5","7","9","6","6","1") = "8"
    & skf18("9","5","7","9","6","7","1") = "8"
    & skf18("9","5","7","9","6","8","1") = "8"
    & skf18("9","5","7","9","6","9","1") = "8"
    & skf18("9","5","7","9","6","10","1") = "9"
    & skf18("9","5","7","9","7","1","1") = "8"
    & skf18("9","5","7","9","7","2","1") = "8"
    & skf18("9","5","7","9","7","3","1") = "8"
    & skf18("9","5","7","9","7","4","1") = "8"
    & skf18("9","5","7","9","7","5","1") = "8"
    & skf18("9","5","7","9","7","6","1") = "8"
    & skf18("9","5","7","9","7","7","1") = "8"
    & skf18("9","5","7","9","7","8","1") = "8"
    & skf18("9","5","7","9","7","9","1") = "8"
    & skf18("9","5","7","9","7","10","1") = "9"
    & skf18("9","5","7","9","8","1","1") = "8"
    & skf18("9","5","7","9","8","2","1") = "8"
    & skf18("9","5","7","9","8","3","1") = "8"
    & skf18("9","5","7","9","8","4","1") = "8"
    & skf18("9","5","7","9","8","5","1") = "8"
    & skf18("9","5","7","9","8","6","1") = "8"
    & skf18("9","5","7","9","8","7","1") = "8"
    & skf18("9","5","7","9","8","8","1") = "8"
    & skf18("9","5","7","9","8","9","1") = "8"
    & skf18("9","5","7","9","8","10","1") = "9"
    & skf18("9","5","7","9","9","1","1") = "8"
    & skf18("9","5","7","9","9","2","1") = "8"
    & skf18("9","5","7","9","9","3","1") = "8"
    & skf18("9","5","7","9","9","4","1") = "8"
    & skf18("9","5","7","9","9","5","1") = "8"
    & skf18("9","5","7","9","9","6","1") = "8"
    & skf18("9","5","7","9","9","7","1") = "8"
    & skf18("9","5","7","9","9","8","1") = "8"
    & skf18("9","5","7","9","9","9","1") = "8"
    & skf18("9","5","7","9","9","10","1") = "9"
    & skf18("9","5","7","9","10","1","1") = "9"
    & skf18("9","5","7","9","10","2","1") = "9"
    & skf18("9","5","7","9","10","3","1") = "9"
    & skf18("9","5","7","9","10","4","1") = "9"
    & skf18("9","5","7","9","10","5","1") = "9"
    & skf18("9","5","7","9","10","6","1") = "9"
    & skf18("9","5","7","9","10","7","1") = "9"
    & skf18("9","5","7","9","10","8","1") = "9"
    & skf18("9","5","7","9","10","9","1") = "9"
    & skf18("9","5","7","9","10","10","1") = "9"
    & skf18("9","5","7","10","1","1","1") = "9"
    & skf18("9","5","7","10","1","2","1") = "9"
    & skf18("9","5","7","10","1","3","1") = "9"
    & skf18("9","5","7","10","1","4","1") = "9"
    & skf18("9","5","7","10","1","5","1") = "9"
    & skf18("9","5","7","10","1","6","1") = "9"
    & skf18("9","5","7","10","1","7","1") = "9"
    & skf18("9","5","7","10","1","8","1") = "9"
    & skf18("9","5","7","10","1","9","1") = "9"
    & skf18("9","5","7","10","1","10","1") = "9"
    & skf18("9","5","7","10","2","1","1") = "9"
    & skf18("9","5","7","10","2","2","1") = "9"
    & skf18("9","5","7","10","2","3","1") = "9"
    & skf18("9","5","7","10","2","4","1") = "9"
    & skf18("9","5","7","10","2","5","1") = "9"
    & skf18("9","5","7","10","2","6","1") = "9"
    & skf18("9","5","7","10","2","7","1") = "9"
    & skf18("9","5","7","10","2","8","1") = "9"
    & skf18("9","5","7","10","2","9","1") = "9"
    & skf18("9","5","7","10","2","10","1") = "9"
    & skf18("9","5","7","10","3","1","1") = "9"
    & skf18("9","5","7","10","3","2","1") = "9"
    & skf18("9","5","7","10","3","3","1") = "9"
    & skf18("9","5","7","10","3","4","1") = "9"
    & skf18("9","5","7","10","3","5","1") = "9"
    & skf18("9","5","7","10","3","6","1") = "9"
    & skf18("9","5","7","10","3","7","1") = "9"
    & skf18("9","5","7","10","3","8","1") = "9"
    & skf18("9","5","7","10","3","9","1") = "9"
    & skf18("9","5","7","10","3","10","1") = "9"
    & skf18("9","5","7","10","4","1","1") = "9"
    & skf18("9","5","7","10","4","2","1") = "9"
    & skf18("9","5","7","10","4","3","1") = "9"
    & skf18("9","5","7","10","4","4","1") = "9"
    & skf18("9","5","7","10","4","5","1") = "9"
    & skf18("9","5","7","10","4","6","1") = "9"
    & skf18("9","5","7","10","4","7","1") = "9"
    & skf18("9","5","7","10","4","8","1") = "9"
    & skf18("9","5","7","10","4","9","1") = "9"
    & skf18("9","5","7","10","4","10","1") = "9"
    & skf18("9","5","7","10","5","1","1") = "9"
    & skf18("9","5","7","10","5","2","1") = "9"
    & skf18("9","5","7","10","5","3","1") = "9"
    & skf18("9","5","7","10","5","4","1") = "9"
    & skf18("9","5","7","10","5","5","1") = "9"
    & skf18("9","5","7","10","5","6","1") = "9"
    & skf18("9","5","7","10","5","7","1") = "9"
    & skf18("9","5","7","10","5","8","1") = "9"
    & skf18("9","5","7","10","5","9","1") = "9"
    & skf18("9","5","7","10","5","10","1") = "9"
    & skf18("9","5","7","10","6","1","1") = "9"
    & skf18("9","5","7","10","6","2","1") = "9"
    & skf18("9","5","7","10","6","3","1") = "9"
    & skf18("9","5","7","10","6","4","1") = "9"
    & skf18("9","5","7","10","6","5","1") = "9"
    & skf18("9","5","7","10","6","6","1") = "9"
    & skf18("9","5","7","10","6","7","1") = "9"
    & skf18("9","5","7","10","6","8","1") = "9"
    & skf18("9","5","7","10","6","9","1") = "9"
    & skf18("9","5","7","10","6","10","1") = "9"
    & skf18("9","5","7","10","7","1","1") = "9"
    & skf18("9","5","7","10","7","2","1") = "9"
    & skf18("9","5","7","10","7","3","1") = "9"
    & skf18("9","5","7","10","7","4","1") = "9"
    & skf18("9","5","7","10","7","5","1") = "9"
    & skf18("9","5","7","10","7","6","1") = "9"
    & skf18("9","5","7","10","7","7","1") = "9"
    & skf18("9","5","7","10","7","8","1") = "9"
    & skf18("9","5","7","10","7","9","1") = "9"
    & skf18("9","5","7","10","7","10","1") = "9"
    & skf18("9","5","7","10","8","1","1") = "9"
    & skf18("9","5","7","10","8","2","1") = "9"
    & skf18("9","5","7","10","8","3","1") = "9"
    & skf18("9","5","7","10","8","4","1") = "9"
    & skf18("9","5","7","10","8","5","1") = "9"
    & skf18("9","5","7","10","8","6","1") = "9"
    & skf18("9","5","7","10","8","7","1") = "9"
    & skf18("9","5","7","10","8","8","1") = "9"
    & skf18("9","5","7","10","8","9","1") = "9"
    & skf18("9","5","7","10","8","10","1") = "9"
    & skf18("9","5","7","10","9","1","1") = "9"
    & skf18("9","5","7","10","9","2","1") = "9"
    & skf18("9","5","7","10","9","3","1") = "9"
    & skf18("9","5","7","10","9","4","1") = "9"
    & skf18("9","5","7","10","9","5","1") = "9"
    & skf18("9","5","7","10","9","6","1") = "9"
    & skf18("9","5","7","10","9","7","1") = "9"
    & skf18("9","5","7","10","9","8","1") = "9"
    & skf18("9","5","7","10","9","9","1") = "9"
    & skf18("9","5","7","10","9","10","1") = "9"
    & skf18("9","5","7","10","10","1","1") = "9"
    & skf18("9","5","7","10","10","2","1") = "9"
    & skf18("9","5","7","10","10","3","1") = "9"
    & skf18("9","5","7","10","10","4","1") = "9"
    & skf18("9","5","7","10","10","5","1") = "9"
    & skf18("9","5","7","10","10","6","1") = "9"
    & skf18("9","5","7","10","10","7","1") = "9"
    & skf18("9","5","7","10","10","8","1") = "9"
    & skf18("9","5","7","10","10","9","1") = "9"
    & skf18("9","5","7","10","10","10","1") = "9"
    & skf18("9","5","8","1","1","1","1") = "8"
    & skf18("9","5","8","1","1","2","1") = "8"
    & skf18("9","5","8","1","1","3","1") = "8"
    & skf18("9","5","8","1","1","4","1") = "8"
    & skf18("9","5","8","1","1","5","1") = "8"
    & skf18("9","5","8","1","1","6","1") = "8"
    & skf18("9","5","8","1","1","7","1") = "8"
    & skf18("9","5","8","1","1","8","1") = "8"
    & skf18("9","5","8","1","1","9","1") = "8"
    & skf18("9","5","8","1","1","10","1") = "9"
    & skf18("9","5","8","1","2","1","1") = "8"
    & skf18("9","5","8","1","2","2","1") = "8"
    & skf18("9","5","8","1","2","3","1") = "8"
    & skf18("9","5","8","1","2","4","1") = "8"
    & skf18("9","5","8","1","2","5","1") = "8"
    & skf18("9","5","8","1","2","6","1") = "8"
    & skf18("9","5","8","1","2","7","1") = "8"
    & skf18("9","5","8","1","2","8","1") = "8"
    & skf18("9","5","8","1","2","9","1") = "8"
    & skf18("9","5","8","1","2","10","1") = "9"
    & skf18("9","5","8","1","3","1","1") = "8"
    & skf18("9","5","8","1","3","2","1") = "8"
    & skf18("9","5","8","1","3","3","1") = "8"
    & skf18("9","5","8","1","3","4","1") = "8"
    & skf18("9","5","8","1","3","5","1") = "8"
    & skf18("9","5","8","1","3","6","1") = "8"
    & skf18("9","5","8","1","3","7","1") = "8"
    & skf18("9","5","8","1","3","8","1") = "8"
    & skf18("9","5","8","1","3","9","1") = "8"
    & skf18("9","5","8","1","3","10","1") = "9"
    & skf18("9","5","8","1","4","1","1") = "8"
    & skf18("9","5","8","1","4","2","1") = "8"
    & skf18("9","5","8","1","4","3","1") = "8"
    & skf18("9","5","8","1","4","4","1") = "8"
    & skf18("9","5","8","1","4","5","1") = "8"
    & skf18("9","5","8","1","4","6","1") = "8"
    & skf18("9","5","8","1","4","7","1") = "8"
    & skf18("9","5","8","1","4","8","1") = "8"
    & skf18("9","5","8","1","4","9","1") = "8"
    & skf18("9","5","8","1","4","10","1") = "9"
    & skf18("9","5","8","1","5","1","1") = "8"
    & skf18("9","5","8","1","5","2","1") = "8"
    & skf18("9","5","8","1","5","3","1") = "8"
    & skf18("9","5","8","1","5","4","1") = "8"
    & skf18("9","5","8","1","5","5","1") = "8"
    & skf18("9","5","8","1","5","6","1") = "8"
    & skf18("9","5","8","1","5","7","1") = "8"
    & skf18("9","5","8","1","5","8","1") = "8"
    & skf18("9","5","8","1","5","9","1") = "8"
    & skf18("9","5","8","1","5","10","1") = "9"
    & skf18("9","5","8","1","6","1","1") = "8"
    & skf18("9","5","8","1","6","2","1") = "8"
    & skf18("9","5","8","1","6","3","1") = "8"
    & skf18("9","5","8","1","6","4","1") = "8"
    & skf18("9","5","8","1","6","5","1") = "8"
    & skf18("9","5","8","1","6","6","1") = "8"
    & skf18("9","5","8","1","6","7","1") = "8"
    & skf18("9","5","8","1","6","8","1") = "8"
    & skf18("9","5","8","1","6","9","1") = "8"
    & skf18("9","5","8","1","6","10","1") = "9"
    & skf18("9","5","8","1","7","1","1") = "8"
    & skf18("9","5","8","1","7","2","1") = "8"
    & skf18("9","5","8","1","7","3","1") = "8"
    & skf18("9","5","8","1","7","4","1") = "8"
    & skf18("9","5","8","1","7","5","1") = "8"
    & skf18("9","5","8","1","7","6","1") = "8"
    & skf18("9","5","8","1","7","7","1") = "8"
    & skf18("9","5","8","1","7","8","1") = "8"
    & skf18("9","5","8","1","7","9","1") = "8"
    & skf18("9","5","8","1","7","10","1") = "9"
    & skf18("9","5","8","1","8","1","1") = "8"
    & skf18("9","5","8","1","8","2","1") = "8"
    & skf18("9","5","8","1","8","3","1") = "8"
    & skf18("9","5","8","1","8","4","1") = "8"
    & skf18("9","5","8","1","8","5","1") = "8"
    & skf18("9","5","8","1","8","6","1") = "8"
    & skf18("9","5","8","1","8","7","1") = "8"
    & skf18("9","5","8","1","8","8","1") = "8"
    & skf18("9","5","8","1","8","9","1") = "8"
    & skf18("9","5","8","1","8","10","1") = "9"
    & skf18("9","5","8","1","9","1","1") = "8"
    & skf18("9","5","8","1","9","2","1") = "8"
    & skf18("9","5","8","1","9","3","1") = "8"
    & skf18("9","5","8","1","9","4","1") = "8"
    & skf18("9","5","8","1","9","5","1") = "8"
    & skf18("9","5","8","1","9","6","1") = "8"
    & skf18("9","5","8","1","9","7","1") = "8"
    & skf18("9","5","8","1","9","8","1") = "8"
    & skf18("9","5","8","1","9","9","1") = "8"
    & skf18("9","5","8","1","9","10","1") = "9"
    & skf18("9","5","8","1","10","1","1") = "9"
    & skf18("9","5","8","1","10","2","1") = "9"
    & skf18("9","5","8","1","10","3","1") = "9"
    & skf18("9","5","8","1","10","4","1") = "9"
    & skf18("9","5","8","1","10","5","1") = "9"
    & skf18("9","5","8","1","10","6","1") = "9"
    & skf18("9","5","8","1","10","7","1") = "9"
    & skf18("9","5","8","1","10","8","1") = "9"
    & skf18("9","5","8","1","10","9","1") = "9"
    & skf18("9","5","8","1","10","10","1") = "9"
    & skf18("9","5","8","2","1","1","1") = "8"
    & skf18("9","5","8","2","1","2","1") = "8"
    & skf18("9","5","8","2","1","3","1") = "8"
    & skf18("9","5","8","2","1","4","1") = "8"
    & skf18("9","5","8","2","1","5","1") = "8"
    & skf18("9","5","8","2","1","6","1") = "8"
    & skf18("9","5","8","2","1","7","1") = "8"
    & skf18("9","5","8","2","1","8","1") = "8"
    & skf18("9","5","8","2","1","9","1") = "8"
    & skf18("9","5","8","2","1","10","1") = "9"
    & skf18("9","5","8","2","2","1","1") = "8"
    & skf18("9","5","8","2","2","2","1") = "8"
    & skf18("9","5","8","2","2","3","1") = "8"
    & skf18("9","5","8","2","2","4","1") = "8"
    & skf18("9","5","8","2","2","5","1") = "8"
    & skf18("9","5","8","2","2","6","1") = "8"
    & skf18("9","5","8","2","2","7","1") = "8"
    & skf18("9","5","8","2","2","8","1") = "8"
    & skf18("9","5","8","2","2","9","1") = "8"
    & skf18("9","5","8","2","2","10","1") = "9"
    & skf18("9","5","8","2","3","1","1") = "8"
    & skf18("9","5","8","2","3","2","1") = "8"
    & skf18("9","5","8","2","3","3","1") = "8"
    & skf18("9","5","8","2","3","4","1") = "8"
    & skf18("9","5","8","2","3","5","1") = "8"
    & skf18("9","5","8","2","3","6","1") = "8"
    & skf18("9","5","8","2","3","7","1") = "8"
    & skf18("9","5","8","2","3","8","1") = "8"
    & skf18("9","5","8","2","3","9","1") = "8"
    & skf18("9","5","8","2","3","10","1") = "9"
    & skf18("9","5","8","2","4","1","1") = "8"
    & skf18("9","5","8","2","4","2","1") = "8"
    & skf18("9","5","8","2","4","3","1") = "8"
    & skf18("9","5","8","2","4","4","1") = "8"
    & skf18("9","5","8","2","4","5","1") = "8"
    & skf18("9","5","8","2","4","6","1") = "8"
    & skf18("9","5","8","2","4","7","1") = "8"
    & skf18("9","5","8","2","4","8","1") = "8"
    & skf18("9","5","8","2","4","9","1") = "8"
    & skf18("9","5","8","2","4","10","1") = "9"
    & skf18("9","5","8","2","5","1","1") = "8"
    & skf18("9","5","8","2","5","2","1") = "8"
    & skf18("9","5","8","2","5","3","1") = "8"
    & skf18("9","5","8","2","5","4","1") = "8"
    & skf18("9","5","8","2","5","5","1") = "8"
    & skf18("9","5","8","2","5","6","1") = "8"
    & skf18("9","5","8","2","5","7","1") = "8"
    & skf18("9","5","8","2","5","8","1") = "8"
    & skf18("9","5","8","2","5","9","1") = "8"
    & skf18("9","5","8","2","5","10","1") = "9"
    & skf18("9","5","8","2","6","1","1") = "8"
    & skf18("9","5","8","2","6","2","1") = "8"
    & skf18("9","5","8","2","6","3","1") = "8"
    & skf18("9","5","8","2","6","4","1") = "8"
    & skf18("9","5","8","2","6","5","1") = "8"
    & skf18("9","5","8","2","6","6","1") = "8"
    & skf18("9","5","8","2","6","7","1") = "8"
    & skf18("9","5","8","2","6","8","1") = "8"
    & skf18("9","5","8","2","6","9","1") = "8"
    & skf18("9","5","8","2","6","10","1") = "9"
    & skf18("9","5","8","2","7","1","1") = "8"
    & skf18("9","5","8","2","7","2","1") = "8"
    & skf18("9","5","8","2","7","3","1") = "8"
    & skf18("9","5","8","2","7","4","1") = "8"
    & skf18("9","5","8","2","7","5","1") = "8"
    & skf18("9","5","8","2","7","6","1") = "8"
    & skf18("9","5","8","2","7","7","1") = "8"
    & skf18("9","5","8","2","7","8","1") = "8"
    & skf18("9","5","8","2","7","9","1") = "8"
    & skf18("9","5","8","2","7","10","1") = "9"
    & skf18("9","5","8","2","8","1","1") = "8"
    & skf18("9","5","8","2","8","2","1") = "8"
    & skf18("9","5","8","2","8","3","1") = "8"
    & skf18("9","5","8","2","8","4","1") = "8"
    & skf18("9","5","8","2","8","5","1") = "8"
    & skf18("9","5","8","2","8","6","1") = "8"
    & skf18("9","5","8","2","8","7","1") = "8"
    & skf18("9","5","8","2","8","8","1") = "8"
    & skf18("9","5","8","2","8","9","1") = "8"
    & skf18("9","5","8","2","8","10","1") = "9"
    & skf18("9","5","8","2","9","1","1") = "8"
    & skf18("9","5","8","2","9","2","1") = "8"
    & skf18("9","5","8","2","9","3","1") = "8"
    & skf18("9","5","8","2","9","4","1") = "8"
    & skf18("9","5","8","2","9","5","1") = "8"
    & skf18("9","5","8","2","9","6","1") = "8"
    & skf18("9","5","8","2","9","7","1") = "8"
    & skf18("9","5","8","2","9","8","1") = "8"
    & skf18("9","5","8","2","9","9","1") = "8"
    & skf18("9","5","8","2","9","10","1") = "9"
    & skf18("9","5","8","2","10","1","1") = "9"
    & skf18("9","5","8","2","10","2","1") = "9"
    & skf18("9","5","8","2","10","3","1") = "9"
    & skf18("9","5","8","2","10","4","1") = "9"
    & skf18("9","5","8","2","10","5","1") = "9"
    & skf18("9","5","8","2","10","6","1") = "9"
    & skf18("9","5","8","2","10","7","1") = "9"
    & skf18("9","5","8","2","10","8","1") = "9"
    & skf18("9","5","8","2","10","9","1") = "9"
    & skf18("9","5","8","2","10","10","1") = "9"
    & skf18("9","5","8","3","1","1","1") = "8"
    & skf18("9","5","8","3","1","2","1") = "8"
    & skf18("9","5","8","3","1","3","1") = "8"
    & skf18("9","5","8","3","1","4","1") = "8"
    & skf18("9","5","8","3","1","5","1") = "8"
    & skf18("9","5","8","3","1","6","1") = "8"
    & skf18("9","5","8","3","1","7","1") = "8"
    & skf18("9","5","8","3","1","8","1") = "8"
    & skf18("9","5","8","3","1","9","1") = "8"
    & skf18("9","5","8","3","1","10","1") = "9"
    & skf18("9","5","8","3","2","1","1") = "8"
    & skf18("9","5","8","3","2","2","1") = "8"
    & skf18("9","5","8","3","2","3","1") = "8"
    & skf18("9","5","8","3","2","4","1") = "8"
    & skf18("9","5","8","3","2","5","1") = "8"
    & skf18("9","5","8","3","2","6","1") = "8"
    & skf18("9","5","8","3","2","7","1") = "8"
    & skf18("9","5","8","3","2","8","1") = "8"
    & skf18("9","5","8","3","2","9","1") = "8"
    & skf18("9","5","8","3","2","10","1") = "9"
    & skf18("9","5","8","3","3","1","1") = "8"
    & skf18("9","5","8","3","3","2","1") = "8"
    & skf18("9","5","8","3","3","3","1") = "8"
    & skf18("9","5","8","3","3","4","1") = "8"
    & skf18("9","5","8","3","3","5","1") = "8"
    & skf18("9","5","8","3","3","6","1") = "8"
    & skf18("9","5","8","3","3","7","1") = "8"
    & skf18("9","5","8","3","3","8","1") = "8"
    & skf18("9","5","8","3","3","9","1") = "8"
    & skf18("9","5","8","3","3","10","1") = "9"
    & skf18("9","5","8","3","4","1","1") = "8"
    & skf18("9","5","8","3","4","2","1") = "8"
    & skf18("9","5","8","3","4","3","1") = "8"
    & skf18("9","5","8","3","4","4","1") = "8"
    & skf18("9","5","8","3","4","5","1") = "8"
    & skf18("9","5","8","3","4","6","1") = "8"
    & skf18("9","5","8","3","4","7","1") = "8"
    & skf18("9","5","8","3","4","8","1") = "8"
    & skf18("9","5","8","3","4","9","1") = "8"
    & skf18("9","5","8","3","4","10","1") = "9"
    & skf18("9","5","8","3","5","1","1") = "8"
    & skf18("9","5","8","3","5","2","1") = "8"
    & skf18("9","5","8","3","5","3","1") = "8"
    & skf18("9","5","8","3","5","4","1") = "8"
    & skf18("9","5","8","3","5","5","1") = "8"
    & skf18("9","5","8","3","5","6","1") = "8"
    & skf18("9","5","8","3","5","7","1") = "8"
    & skf18("9","5","8","3","5","8","1") = "8"
    & skf18("9","5","8","3","5","9","1") = "8"
    & skf18("9","5","8","3","5","10","1") = "9"
    & skf18("9","5","8","3","6","1","1") = "8"
    & skf18("9","5","8","3","6","2","1") = "8"
    & skf18("9","5","8","3","6","3","1") = "8"
    & skf18("9","5","8","3","6","4","1") = "8"
    & skf18("9","5","8","3","6","5","1") = "8"
    & skf18("9","5","8","3","6","6","1") = "8"
    & skf18("9","5","8","3","6","7","1") = "8"
    & skf18("9","5","8","3","6","8","1") = "8"
    & skf18("9","5","8","3","6","9","1") = "8"
    & skf18("9","5","8","3","6","10","1") = "9"
    & skf18("9","5","8","3","7","1","1") = "8"
    & skf18("9","5","8","3","7","2","1") = "8"
    & skf18("9","5","8","3","7","3","1") = "8"
    & skf18("9","5","8","3","7","4","1") = "8"
    & skf18("9","5","8","3","7","5","1") = "8"
    & skf18("9","5","8","3","7","6","1") = "8"
    & skf18("9","5","8","3","7","7","1") = "8"
    & skf18("9","5","8","3","7","8","1") = "8"
    & skf18("9","5","8","3","7","9","1") = "8"
    & skf18("9","5","8","3","7","10","1") = "9"
    & skf18("9","5","8","3","8","1","1") = "8"
    & skf18("9","5","8","3","8","2","1") = "8"
    & skf18("9","5","8","3","8","3","1") = "8"
    & skf18("9","5","8","3","8","4","1") = "8"
    & skf18("9","5","8","3","8","5","1") = "8"
    & skf18("9","5","8","3","8","6","1") = "8"
    & skf18("9","5","8","3","8","7","1") = "8"
    & skf18("9","5","8","3","8","8","1") = "8"
    & skf18("9","5","8","3","8","9","1") = "8"
    & skf18("9","5","8","3","8","10","1") = "9"
    & skf18("9","5","8","3","9","1","1") = "8"
    & skf18("9","5","8","3","9","2","1") = "8"
    & skf18("9","5","8","3","9","3","1") = "8"
    & skf18("9","5","8","3","9","4","1") = "8"
    & skf18("9","5","8","3","9","5","1") = "8"
    & skf18("9","5","8","3","9","6","1") = "8"
    & skf18("9","5","8","3","9","7","1") = "8"
    & skf18("9","5","8","3","9","8","1") = "8"
    & skf18("9","5","8","3","9","9","1") = "8"
    & skf18("9","5","8","3","9","10","1") = "9"
    & skf18("9","5","8","3","10","1","1") = "9"
    & skf18("9","5","8","3","10","2","1") = "9"
    & skf18("9","5","8","3","10","3","1") = "9"
    & skf18("9","5","8","3","10","4","1") = "9"
    & skf18("9","5","8","3","10","5","1") = "9"
    & skf18("9","5","8","3","10","6","1") = "9"
    & skf18("9","5","8","3","10","7","1") = "9"
    & skf18("9","5","8","3","10","8","1") = "9"
    & skf18("9","5","8","3","10","9","1") = "9"
    & skf18("9","5","8","3","10","10","1") = "9"
    & skf18("9","5","8","4","1","1","1") = "8"
    & skf18("9","5","8","4","1","2","1") = "8"
    & skf18("9","5","8","4","1","3","1") = "8"
    & skf18("9","5","8","4","1","4","1") = "8"
    & skf18("9","5","8","4","1","5","1") = "8"
    & skf18("9","5","8","4","1","6","1") = "8"
    & skf18("9","5","8","4","1","7","1") = "8"
    & skf18("9","5","8","4","1","8","1") = "8"
    & skf18("9","5","8","4","1","9","1") = "8"
    & skf18("9","5","8","4","1","10","1") = "9"
    & skf18("9","5","8","4","2","1","1") = "8"
    & skf18("9","5","8","4","2","2","1") = "8"
    & skf18("9","5","8","4","2","3","1") = "8"
    & skf18("9","5","8","4","2","4","1") = "8"
    & skf18("9","5","8","4","2","5","1") = "8"
    & skf18("9","5","8","4","2","6","1") = "8"
    & skf18("9","5","8","4","2","7","1") = "8"
    & skf18("9","5","8","4","2","8","1") = "8"
    & skf18("9","5","8","4","2","9","1") = "8"
    & skf18("9","5","8","4","2","10","1") = "9"
    & skf18("9","5","8","4","3","1","1") = "8"
    & skf18("9","5","8","4","3","2","1") = "8"
    & skf18("9","5","8","4","3","3","1") = "8"
    & skf18("9","5","8","4","3","4","1") = "8"
    & skf18("9","5","8","4","3","5","1") = "8"
    & skf18("9","5","8","4","3","6","1") = "8"
    & skf18("9","5","8","4","3","7","1") = "8"
    & skf18("9","5","8","4","3","8","1") = "8"
    & skf18("9","5","8","4","3","9","1") = "8"
    & skf18("9","5","8","4","3","10","1") = "9"
    & skf18("9","5","8","4","4","1","1") = "8"
    & skf18("9","5","8","4","4","2","1") = "8"
    & skf18("9","5","8","4","4","3","1") = "8"
    & skf18("9","5","8","4","4","4","1") = "8"
    & skf18("9","5","8","4","4","5","1") = "8"
    & skf18("9","5","8","4","4","6","1") = "8"
    & skf18("9","5","8","4","4","7","1") = "8"
    & skf18("9","5","8","4","4","8","1") = "8"
    & skf18("9","5","8","4","4","9","1") = "8"
    & skf18("9","5","8","4","4","10","1") = "9"
    & skf18("9","5","8","4","5","1","1") = "8"
    & skf18("9","5","8","4","5","2","1") = "8"
    & skf18("9","5","8","4","5","3","1") = "8"
    & skf18("9","5","8","4","5","4","1") = "8"
    & skf18("9","5","8","4","5","5","1") = "8"
    & skf18("9","5","8","4","5","6","1") = "8"
    & skf18("9","5","8","4","5","7","1") = "8"
    & skf18("9","5","8","4","5","8","1") = "8"
    & skf18("9","5","8","4","5","9","1") = "8"
    & skf18("9","5","8","4","5","10","1") = "9"
    & skf18("9","5","8","4","6","1","1") = "8"
    & skf18("9","5","8","4","6","2","1") = "8"
    & skf18("9","5","8","4","6","3","1") = "8"
    & skf18("9","5","8","4","6","4","1") = "8"
    & skf18("9","5","8","4","6","5","1") = "8"
    & skf18("9","5","8","4","6","6","1") = "8"
    & skf18("9","5","8","4","6","7","1") = "8"
    & skf18("9","5","8","4","6","8","1") = "8"
    & skf18("9","5","8","4","6","9","1") = "8"
    & skf18("9","5","8","4","6","10","1") = "9"
    & skf18("9","5","8","4","7","1","1") = "8"
    & skf18("9","5","8","4","7","2","1") = "8"
    & skf18("9","5","8","4","7","3","1") = "8"
    & skf18("9","5","8","4","7","4","1") = "8"
    & skf18("9","5","8","4","7","5","1") = "8"
    & skf18("9","5","8","4","7","6","1") = "8"
    & skf18("9","5","8","4","7","7","1") = "8"
    & skf18("9","5","8","4","7","8","1") = "8"
    & skf18("9","5","8","4","7","9","1") = "8"
    & skf18("9","5","8","4","7","10","1") = "9"
    & skf18("9","5","8","4","8","1","1") = "8"
    & skf18("9","5","8","4","8","2","1") = "8"
    & skf18("9","5","8","4","8","3","1") = "8"
    & skf18("9","5","8","4","8","4","1") = "8"
    & skf18("9","5","8","4","8","5","1") = "8"
    & skf18("9","5","8","4","8","6","1") = "8"
    & skf18("9","5","8","4","8","7","1") = "8"
    & skf18("9","5","8","4","8","8","1") = "8"
    & skf18("9","5","8","4","8","9","1") = "8"
    & skf18("9","5","8","4","8","10","1") = "9"
    & skf18("9","5","8","4","9","1","1") = "8"
    & skf18("9","5","8","4","9","2","1") = "8"
    & skf18("9","5","8","4","9","3","1") = "8"
    & skf18("9","5","8","4","9","4","1") = "8"
    & skf18("9","5","8","4","9","5","1") = "8"
    & skf18("9","5","8","4","9","6","1") = "8"
    & skf18("9","5","8","4","9","7","1") = "8"
    & skf18("9","5","8","4","9","8","1") = "8"
    & skf18("9","5","8","4","9","9","1") = "8"
    & skf18("9","5","8","4","9","10","1") = "9"
    & skf18("9","5","8","4","10","1","1") = "9"
    & skf18("9","5","8","4","10","2","1") = "9"
    & skf18("9","5","8","4","10","3","1") = "9"
    & skf18("9","5","8","4","10","4","1") = "9"
    & skf18("9","5","8","4","10","5","1") = "9"
    & skf18("9","5","8","4","10","6","1") = "9"
    & skf18("9","5","8","4","10","7","1") = "9"
    & skf18("9","5","8","4","10","8","1") = "9"
    & skf18("9","5","8","4","10","9","1") = "9"
    & skf18("9","5","8","4","10","10","1") = "9"
    & skf18("9","5","8","5","1","1","1") = "8"
    & skf18("9","5","8","5","1","2","1") = "8"
    & skf18("9","5","8","5","1","3","1") = "8"
    & skf18("9","5","8","5","1","4","1") = "8"
    & skf18("9","5","8","5","1","5","1") = "8"
    & skf18("9","5","8","5","1","6","1") = "8"
    & skf18("9","5","8","5","1","7","1") = "8"
    & skf18("9","5","8","5","1","8","1") = "8"
    & skf18("9","5","8","5","1","9","1") = "8"
    & skf18("9","5","8","5","1","10","1") = "9"
    & skf18("9","5","8","5","2","1","1") = "8"
    & skf18("9","5","8","5","2","2","1") = "8"
    & skf18("9","5","8","5","2","3","1") = "8"
    & skf18("9","5","8","5","2","4","1") = "8"
    & skf18("9","5","8","5","2","5","1") = "8"
    & skf18("9","5","8","5","2","6","1") = "8"
    & skf18("9","5","8","5","2","7","1") = "8"
    & skf18("9","5","8","5","2","8","1") = "8"
    & skf18("9","5","8","5","2","9","1") = "8"
    & skf18("9","5","8","5","2","10","1") = "9"
    & skf18("9","5","8","5","3","1","1") = "8"
    & skf18("9","5","8","5","3","2","1") = "8"
    & skf18("9","5","8","5","3","3","1") = "8"
    & skf18("9","5","8","5","3","4","1") = "8"
    & skf18("9","5","8","5","3","5","1") = "8"
    & skf18("9","5","8","5","3","6","1") = "8"
    & skf18("9","5","8","5","3","7","1") = "8"
    & skf18("9","5","8","5","3","8","1") = "8"
    & skf18("9","5","8","5","3","9","1") = "8"
    & skf18("9","5","8","5","3","10","1") = "9"
    & skf18("9","5","8","5","4","1","1") = "8"
    & skf18("9","5","8","5","4","2","1") = "8"
    & skf18("9","5","8","5","4","3","1") = "8"
    & skf18("9","5","8","5","4","4","1") = "8"
    & skf18("9","5","8","5","4","5","1") = "8"
    & skf18("9","5","8","5","4","6","1") = "8"
    & skf18("9","5","8","5","4","7","1") = "8"
    & skf18("9","5","8","5","4","8","1") = "8"
    & skf18("9","5","8","5","4","9","1") = "8"
    & skf18("9","5","8","5","4","10","1") = "9"
    & skf18("9","5","8","5","5","1","1") = "8"
    & skf18("9","5","8","5","5","2","1") = "8"
    & skf18("9","5","8","5","5","3","1") = "8"
    & skf18("9","5","8","5","5","4","1") = "8"
    & skf18("9","5","8","5","5","5","1") = "8"
    & skf18("9","5","8","5","5","6","1") = "8"
    & skf18("9","5","8","5","5","7","1") = "8"
    & skf18("9","5","8","5","5","8","1") = "8"
    & skf18("9","5","8","5","5","9","1") = "8"
    & skf18("9","5","8","5","5","10","1") = "9"
    & skf18("9","5","8","5","6","1","1") = "8"
    & skf18("9","5","8","5","6","2","1") = "8"
    & skf18("9","5","8","5","6","3","1") = "8"
    & skf18("9","5","8","5","6","4","1") = "8"
    & skf18("9","5","8","5","6","5","1") = "8"
    & skf18("9","5","8","5","6","6","1") = "8"
    & skf18("9","5","8","5","6","7","1") = "8"
    & skf18("9","5","8","5","6","8","1") = "8"
    & skf18("9","5","8","5","6","9","1") = "8"
    & skf18("9","5","8","5","6","10","1") = "9"
    & skf18("9","5","8","5","7","1","1") = "8"
    & skf18("9","5","8","5","7","2","1") = "8"
    & skf18("9","5","8","5","7","3","1") = "8"
    & skf18("9","5","8","5","7","4","1") = "8"
    & skf18("9","5","8","5","7","5","1") = "8"
    & skf18("9","5","8","5","7","6","1") = "8"
    & skf18("9","5","8","5","7","7","1") = "8"
    & skf18("9","5","8","5","7","8","1") = "8"
    & skf18("9","5","8","5","7","9","1") = "8"
    & skf18("9","5","8","5","7","10","1") = "9"
    & skf18("9","5","8","5","8","1","1") = "8"
    & skf18("9","5","8","5","8","2","1") = "8"
    & skf18("9","5","8","5","8","3","1") = "8"
    & skf18("9","5","8","5","8","4","1") = "8"
    & skf18("9","5","8","5","8","5","1") = "8"
    & skf18("9","5","8","5","8","6","1") = "8"
    & skf18("9","5","8","5","8","7","1") = "8"
    & skf18("9","5","8","5","8","8","1") = "8"
    & skf18("9","5","8","5","8","9","1") = "8"
    & skf18("9","5","8","5","8","10","1") = "9"
    & skf18("9","5","8","5","9","1","1") = "8"
    & skf18("9","5","8","5","9","2","1") = "8"
    & skf18("9","5","8","5","9","3","1") = "8"
    & skf18("9","5","8","5","9","4","1") = "8"
    & skf18("9","5","8","5","9","5","1") = "8"
    & skf18("9","5","8","5","9","6","1") = "8"
    & skf18("9","5","8","5","9","7","1") = "8"
    & skf18("9","5","8","5","9","8","1") = "8"
    & skf18("9","5","8","5","9","9","1") = "8"
    & skf18("9","5","8","5","9","10","1") = "9"
    & skf18("9","5","8","5","10","1","1") = "9"
    & skf18("9","5","8","5","10","2","1") = "9"
    & skf18("9","5","8","5","10","3","1") = "9"
    & skf18("9","5","8","5","10","4","1") = "9"
    & skf18("9","5","8","5","10","5","1") = "9"
    & skf18("9","5","8","5","10","6","1") = "9"
    & skf18("9","5","8","5","10","7","1") = "9"
    & skf18("9","5","8","5","10","8","1") = "9"
    & skf18("9","5","8","5","10","9","1") = "9"
    & skf18("9","5","8","5","10","10","1") = "9"
    & skf18("9","5","8","6","1","1","1") = "8"
    & skf18("9","5","8","6","1","2","1") = "8"
    & skf18("9","5","8","6","1","3","1") = "8"
    & skf18("9","5","8","6","1","4","1") = "8"
    & skf18("9","5","8","6","1","5","1") = "8"
    & skf18("9","5","8","6","1","6","1") = "8"
    & skf18("9","5","8","6","1","7","1") = "8"
    & skf18("9","5","8","6","1","8","1") = "8"
    & skf18("9","5","8","6","1","9","1") = "8"
    & skf18("9","5","8","6","1","10","1") = "9"
    & skf18("9","5","8","6","2","1","1") = "8"
    & skf18("9","5","8","6","2","2","1") = "8"
    & skf18("9","5","8","6","2","3","1") = "8"
    & skf18("9","5","8","6","2","4","1") = "8"
    & skf18("9","5","8","6","2","5","1") = "8"
    & skf18("9","5","8","6","2","6","1") = "8"
    & skf18("9","5","8","6","2","7","1") = "8"
    & skf18("9","5","8","6","2","8","1") = "8"
    & skf18("9","5","8","6","2","9","1") = "8"
    & skf18("9","5","8","6","2","10","1") = "9"
    & skf18("9","5","8","6","3","1","1") = "8"
    & skf18("9","5","8","6","3","2","1") = "8"
    & skf18("9","5","8","6","3","3","1") = "8"
    & skf18("9","5","8","6","3","4","1") = "8"
    & skf18("9","5","8","6","3","5","1") = "8"
    & skf18("9","5","8","6","3","6","1") = "8"
    & skf18("9","5","8","6","3","7","1") = "8"
    & skf18("9","5","8","6","3","8","1") = "8"
    & skf18("9","5","8","6","3","9","1") = "8"
    & skf18("9","5","8","6","3","10","1") = "9"
    & skf18("9","5","8","6","4","1","1") = "8"
    & skf18("9","5","8","6","4","2","1") = "8"
    & skf18("9","5","8","6","4","3","1") = "8"
    & skf18("9","5","8","6","4","4","1") = "8"
    & skf18("9","5","8","6","4","5","1") = "8"
    & skf18("9","5","8","6","4","6","1") = "8"
    & skf18("9","5","8","6","4","7","1") = "8"
    & skf18("9","5","8","6","4","8","1") = "8"
    & skf18("9","5","8","6","4","9","1") = "8"
    & skf18("9","5","8","6","4","10","1") = "9"
    & skf18("9","5","8","6","5","1","1") = "8"
    & skf18("9","5","8","6","5","2","1") = "8"
    & skf18("9","5","8","6","5","3","1") = "8"
    & skf18("9","5","8","6","5","4","1") = "8"
    & skf18("9","5","8","6","5","5","1") = "8"
    & skf18("9","5","8","6","5","6","1") = "8"
    & skf18("9","5","8","6","5","7","1") = "8"
    & skf18("9","5","8","6","5","8","1") = "8"
    & skf18("9","5","8","6","5","9","1") = "8"
    & skf18("9","5","8","6","5","10","1") = "9"
    & skf18("9","5","8","6","6","1","1") = "8"
    & skf18("9","5","8","6","6","2","1") = "8"
    & skf18("9","5","8","6","6","3","1") = "8"
    & skf18("9","5","8","6","6","4","1") = "8"
    & skf18("9","5","8","6","6","5","1") = "8"
    & skf18("9","5","8","6","6","6","1") = "8"
    & skf18("9","5","8","6","6","7","1") = "8"
    & skf18("9","5","8","6","6","8","1") = "8"
    & skf18("9","5","8","6","6","9","1") = "8"
    & skf18("9","5","8","6","6","10","1") = "9"
    & skf18("9","5","8","6","7","1","1") = "8"
    & skf18("9","5","8","6","7","2","1") = "8"
    & skf18("9","5","8","6","7","3","1") = "8"
    & skf18("9","5","8","6","7","4","1") = "8"
    & skf18("9","5","8","6","7","5","1") = "8"
    & skf18("9","5","8","6","7","6","1") = "8"
    & skf18("9","5","8","6","7","7","1") = "8"
    & skf18("9","5","8","6","7","8","1") = "8"
    & skf18("9","5","8","6","7","9","1") = "8"
    & skf18("9","5","8","6","7","10","1") = "9"
    & skf18("9","5","8","6","8","1","1") = "8"
    & skf18("9","5","8","6","8","2","1") = "8"
    & skf18("9","5","8","6","8","3","1") = "8"
    & skf18("9","5","8","6","8","4","1") = "8"
    & skf18("9","5","8","6","8","5","1") = "8"
    & skf18("9","5","8","6","8","6","1") = "8"
    & skf18("9","5","8","6","8","7","1") = "8"
    & skf18("9","5","8","6","8","8","1") = "8"
    & skf18("9","5","8","6","8","9","1") = "8"
    & skf18("9","5","8","6","8","10","1") = "9"
    & skf18("9","5","8","6","9","1","1") = "8"
    & skf18("9","5","8","6","9","2","1") = "8"
    & skf18("9","5","8","6","9","3","1") = "8"
    & skf18("9","5","8","6","9","4","1") = "8"
    & skf18("9","5","8","6","9","5","1") = "8"
    & skf18("9","5","8","6","9","6","1") = "8"
    & skf18("9","5","8","6","9","7","1") = "8"
    & skf18("9","5","8","6","9","8","1") = "8"
    & skf18("9","5","8","6","9","9","1") = "8"
    & skf18("9","5","8","6","9","10","1") = "9"
    & skf18("9","5","8","6","10","1","1") = "9"
    & skf18("9","5","8","6","10","2","1") = "9"
    & skf18("9","5","8","6","10","3","1") = "9"
    & skf18("9","5","8","6","10","4","1") = "9"
    & skf18("9","5","8","6","10","5","1") = "9"
    & skf18("9","5","8","6","10","6","1") = "9"
    & skf18("9","5","8","6","10","7","1") = "9"
    & skf18("9","5","8","6","10","8","1") = "9"
    & skf18("9","5","8","6","10","9","1") = "9"
    & skf18("9","5","8","6","10","10","1") = "9"
    & skf18("9","5","8","7","1","1","1") = "8"
    & skf18("9","5","8","7","1","2","1") = "8"
    & skf18("9","5","8","7","1","3","1") = "8"
    & skf18("9","5","8","7","1","4","1") = "8"
    & skf18("9","5","8","7","1","5","1") = "8"
    & skf18("9","5","8","7","1","6","1") = "8"
    & skf18("9","5","8","7","1","7","1") = "8"
    & skf18("9","5","8","7","1","8","1") = "8"
    & skf18("9","5","8","7","1","9","1") = "8"
    & skf18("9","5","8","7","1","10","1") = "9"
    & skf18("9","5","8","7","2","1","1") = "8"
    & skf18("9","5","8","7","2","2","1") = "8"
    & skf18("9","5","8","7","2","3","1") = "8"
    & skf18("9","5","8","7","2","4","1") = "8"
    & skf18("9","5","8","7","2","5","1") = "8"
    & skf18("9","5","8","7","2","6","1") = "8"
    & skf18("9","5","8","7","2","7","1") = "8"
    & skf18("9","5","8","7","2","8","1") = "8"
    & skf18("9","5","8","7","2","9","1") = "8"
    & skf18("9","5","8","7","2","10","1") = "9"
    & skf18("9","5","8","7","3","1","1") = "8"
    & skf18("9","5","8","7","3","2","1") = "8"
    & skf18("9","5","8","7","3","3","1") = "8"
    & skf18("9","5","8","7","3","4","1") = "8"
    & skf18("9","5","8","7","3","5","1") = "8"
    & skf18("9","5","8","7","3","6","1") = "8"
    & skf18("9","5","8","7","3","7","1") = "8"
    & skf18("9","5","8","7","3","8","1") = "8"
    & skf18("9","5","8","7","3","9","1") = "8"
    & skf18("9","5","8","7","3","10","1") = "9"
    & skf18("9","5","8","7","4","1","1") = "8"
    & skf18("9","5","8","7","4","2","1") = "8"
    & skf18("9","5","8","7","4","3","1") = "8"
    & skf18("9","5","8","7","4","4","1") = "8"
    & skf18("9","5","8","7","4","5","1") = "8"
    & skf18("9","5","8","7","4","6","1") = "8"
    & skf18("9","5","8","7","4","7","1") = "8"
    & skf18("9","5","8","7","4","8","1") = "8"
    & skf18("9","5","8","7","4","9","1") = "8"
    & skf18("9","5","8","7","4","10","1") = "9"
    & skf18("9","5","8","7","5","1","1") = "8"
    & skf18("9","5","8","7","5","2","1") = "8"
    & skf18("9","5","8","7","5","3","1") = "8"
    & skf18("9","5","8","7","5","4","1") = "8"
    & skf18("9","5","8","7","5","5","1") = "8"
    & skf18("9","5","8","7","5","6","1") = "8"
    & skf18("9","5","8","7","5","7","1") = "8"
    & skf18("9","5","8","7","5","8","1") = "8"
    & skf18("9","5","8","7","5","9","1") = "8"
    & skf18("9","5","8","7","5","10","1") = "9"
    & skf18("9","5","8","7","6","1","1") = "8"
    & skf18("9","5","8","7","6","2","1") = "8"
    & skf18("9","5","8","7","6","3","1") = "8"
    & skf18("9","5","8","7","6","4","1") = "8"
    & skf18("9","5","8","7","6","5","1") = "8"
    & skf18("9","5","8","7","6","6","1") = "8"
    & skf18("9","5","8","7","6","7","1") = "8"
    & skf18("9","5","8","7","6","8","1") = "8"
    & skf18("9","5","8","7","6","9","1") = "8"
    & skf18("9","5","8","7","6","10","1") = "9"
    & skf18("9","5","8","7","7","1","1") = "8"
    & skf18("9","5","8","7","7","2","1") = "8"
    & skf18("9","5","8","7","7","3","1") = "8"
    & skf18("9","5","8","7","7","4","1") = "8"
    & skf18("9","5","8","7","7","5","1") = "8"
    & skf18("9","5","8","7","7","6","1") = "8"
    & skf18("9","5","8","7","7","7","1") = "8"
    & skf18("9","5","8","7","7","8","1") = "8"
    & skf18("9","5","8","7","7","9","1") = "8"
    & skf18("9","5","8","7","7","10","1") = "9"
    & skf18("9","5","8","7","8","1","1") = "8"
    & skf18("9","5","8","7","8","2","1") = "8"
    & skf18("9","5","8","7","8","3","1") = "8"
    & skf18("9","5","8","7","8","4","1") = "8"
    & skf18("9","5","8","7","8","5","1") = "8"
    & skf18("9","5","8","7","8","6","1") = "8"
    & skf18("9","5","8","7","8","7","1") = "8"
    & skf18("9","5","8","7","8","8","1") = "8"
    & skf18("9","5","8","7","8","9","1") = "8"
    & skf18("9","5","8","7","8","10","1") = "9"
    & skf18("9","5","8","7","9","1","1") = "8"
    & skf18("9","5","8","7","9","2","1") = "8"
    & skf18("9","5","8","7","9","3","1") = "8"
    & skf18("9","5","8","7","9","4","1") = "8"
    & skf18("9","5","8","7","9","5","1") = "8"
    & skf18("9","5","8","7","9","6","1") = "8"
    & skf18("9","5","8","7","9","7","1") = "8"
    & skf18("9","5","8","7","9","8","1") = "8"
    & skf18("9","5","8","7","9","9","1") = "8"
    & skf18("9","5","8","7","9","10","1") = "9"
    & skf18("9","5","8","7","10","1","1") = "9"
    & skf18("9","5","8","7","10","2","1") = "9"
    & skf18("9","5","8","7","10","3","1") = "9"
    & skf18("9","5","8","7","10","4","1") = "9"
    & skf18("9","5","8","7","10","5","1") = "9"
    & skf18("9","5","8","7","10","6","1") = "9"
    & skf18("9","5","8","7","10","7","1") = "9"
    & skf18("9","5","8","7","10","8","1") = "9"
    & skf18("9","5","8","7","10","9","1") = "9"
    & skf18("9","5","8","7","10","10","1") = "9"
    & skf18("9","5","8","8","1","1","1") = "8"
    & skf18("9","5","8","8","1","2","1") = "8"
    & skf18("9","5","8","8","1","3","1") = "8"
    & skf18("9","5","8","8","1","4","1") = "8"
    & skf18("9","5","8","8","1","5","1") = "8"
    & skf18("9","5","8","8","1","6","1") = "8"
    & skf18("9","5","8","8","1","7","1") = "8"
    & skf18("9","5","8","8","1","8","1") = "8"
    & skf18("9","5","8","8","1","9","1") = "8"
    & skf18("9","5","8","8","1","10","1") = "9"
    & skf18("9","5","8","8","2","1","1") = "8"
    & skf18("9","5","8","8","2","2","1") = "8"
    & skf18("9","5","8","8","2","3","1") = "8"
    & skf18("9","5","8","8","2","4","1") = "8"
    & skf18("9","5","8","8","2","5","1") = "8"
    & skf18("9","5","8","8","2","6","1") = "8"
    & skf18("9","5","8","8","2","7","1") = "8"
    & skf18("9","5","8","8","2","8","1") = "8"
    & skf18("9","5","8","8","2","9","1") = "8"
    & skf18("9","5","8","8","2","10","1") = "9"
    & skf18("9","5","8","8","3","1","1") = "8"
    & skf18("9","5","8","8","3","2","1") = "8"
    & skf18("9","5","8","8","3","3","1") = "8"
    & skf18("9","5","8","8","3","4","1") = "8"
    & skf18("9","5","8","8","3","5","1") = "8"
    & skf18("9","5","8","8","3","6","1") = "8"
    & skf18("9","5","8","8","3","7","1") = "8"
    & skf18("9","5","8","8","3","8","1") = "8"
    & skf18("9","5","8","8","3","9","1") = "8"
    & skf18("9","5","8","8","3","10","1") = "9"
    & skf18("9","5","8","8","4","1","1") = "8"
    & skf18("9","5","8","8","4","2","1") = "8"
    & skf18("9","5","8","8","4","3","1") = "8"
    & skf18("9","5","8","8","4","4","1") = "8"
    & skf18("9","5","8","8","4","5","1") = "8"
    & skf18("9","5","8","8","4","6","1") = "8"
    & skf18("9","5","8","8","4","7","1") = "8"
    & skf18("9","5","8","8","4","8","1") = "8"
    & skf18("9","5","8","8","4","9","1") = "8"
    & skf18("9","5","8","8","4","10","1") = "9"
    & skf18("9","5","8","8","5","1","1") = "8"
    & skf18("9","5","8","8","5","2","1") = "8"
    & skf18("9","5","8","8","5","3","1") = "8"
    & skf18("9","5","8","8","5","4","1") = "8"
    & skf18("9","5","8","8","5","5","1") = "8"
    & skf18("9","5","8","8","5","6","1") = "8"
    & skf18("9","5","8","8","5","7","1") = "8"
    & skf18("9","5","8","8","5","8","1") = "8"
    & skf18("9","5","8","8","5","9","1") = "8"
    & skf18("9","5","8","8","5","10","1") = "9"
    & skf18("9","5","8","8","6","1","1") = "8"
    & skf18("9","5","8","8","6","2","1") = "8"
    & skf18("9","5","8","8","6","3","1") = "8"
    & skf18("9","5","8","8","6","4","1") = "8"
    & skf18("9","5","8","8","6","5","1") = "8"
    & skf18("9","5","8","8","6","6","1") = "8"
    & skf18("9","5","8","8","6","7","1") = "8"
    & skf18("9","5","8","8","6","8","1") = "8"
    & skf18("9","5","8","8","6","9","1") = "8"
    & skf18("9","5","8","8","6","10","1") = "9"
    & skf18("9","5","8","8","7","1","1") = "8"
    & skf18("9","5","8","8","7","2","1") = "8"
    & skf18("9","5","8","8","7","3","1") = "8"
    & skf18("9","5","8","8","7","4","1") = "8"
    & skf18("9","5","8","8","7","5","1") = "8"
    & skf18("9","5","8","8","7","6","1") = "8"
    & skf18("9","5","8","8","7","7","1") = "8"
    & skf18("9","5","8","8","7","8","1") = "8"
    & skf18("9","5","8","8","7","9","1") = "8"
    & skf18("9","5","8","8","7","10","1") = "9"
    & skf18("9","5","8","8","8","1","1") = "8"
    & skf18("9","5","8","8","8","2","1") = "8"
    & skf18("9","5","8","8","8","3","1") = "8"
    & skf18("9","5","8","8","8","4","1") = "8"
    & skf18("9","5","8","8","8","5","1") = "8"
    & skf18("9","5","8","8","8","6","1") = "8"
    & skf18("9","5","8","8","8","7","1") = "8"
    & skf18("9","5","8","8","8","8","1") = "8"
    & skf18("9","5","8","8","8","9","1") = "8"
    & skf18("9","5","8","8","8","10","1") = "9"
    & skf18("9","5","8","8","9","1","1") = "8"
    & skf18("9","5","8","8","9","2","1") = "8"
    & skf18("9","5","8","8","9","3","1") = "8"
    & skf18("9","5","8","8","9","4","1") = "8"
    & skf18("9","5","8","8","9","5","1") = "8"
    & skf18("9","5","8","8","9","6","1") = "8"
    & skf18("9","5","8","8","9","7","1") = "8"
    & skf18("9","5","8","8","9","8","1") = "8"
    & skf18("9","5","8","8","9","9","1") = "8"
    & skf18("9","5","8","8","9","10","1") = "9"
    & skf18("9","5","8","8","10","1","1") = "9"
    & skf18("9","5","8","8","10","2","1") = "9"
    & skf18("9","5","8","8","10","3","1") = "9"
    & skf18("9","5","8","8","10","4","1") = "9"
    & skf18("9","5","8","8","10","5","1") = "9"
    & skf18("9","5","8","8","10","6","1") = "9"
    & skf18("9","5","8","8","10","7","1") = "9"
    & skf18("9","5","8","8","10","8","1") = "9"
    & skf18("9","5","8","8","10","9","1") = "9"
    & skf18("9","5","8","8","10","10","1") = "9"
    & skf18("9","5","8","9","1","1","1") = "8"
    & skf18("9","5","8","9","1","2","1") = "8"
    & skf18("9","5","8","9","1","3","1") = "8"
    & skf18("9","5","8","9","1","4","1") = "8"
    & skf18("9","5","8","9","1","5","1") = "8"
    & skf18("9","5","8","9","1","6","1") = "8"
    & skf18("9","5","8","9","1","7","1") = "8"
    & skf18("9","5","8","9","1","8","1") = "8"
    & skf18("9","5","8","9","1","9","1") = "8"
    & skf18("9","5","8","9","1","10","1") = "9"
    & skf18("9","5","8","9","2","1","1") = "8"
    & skf18("9","5","8","9","2","2","1") = "8"
    & skf18("9","5","8","9","2","3","1") = "8"
    & skf18("9","5","8","9","2","4","1") = "8"
    & skf18("9","5","8","9","2","5","1") = "8"
    & skf18("9","5","8","9","2","6","1") = "8"
    & skf18("9","5","8","9","2","7","1") = "8"
    & skf18("9","5","8","9","2","8","1") = "8"
    & skf18("9","5","8","9","2","9","1") = "8"
    & skf18("9","5","8","9","2","10","1") = "9"
    & skf18("9","5","8","9","3","1","1") = "8"
    & skf18("9","5","8","9","3","2","1") = "8"
    & skf18("9","5","8","9","3","3","1") = "8"
    & skf18("9","5","8","9","3","4","1") = "8"
    & skf18("9","5","8","9","3","5","1") = "8"
    & skf18("9","5","8","9","3","6","1") = "8"
    & skf18("9","5","8","9","3","7","1") = "8"
    & skf18("9","5","8","9","3","8","1") = "8"
    & skf18("9","5","8","9","3","9","1") = "8"
    & skf18("9","5","8","9","3","10","1") = "9"
    & skf18("9","5","8","9","4","1","1") = "8"
    & skf18("9","5","8","9","4","2","1") = "8"
    & skf18("9","5","8","9","4","3","1") = "8"
    & skf18("9","5","8","9","4","4","1") = "8"
    & skf18("9","5","8","9","4","5","1") = "8"
    & skf18("9","5","8","9","4","6","1") = "8"
    & skf18("9","5","8","9","4","7","1") = "8"
    & skf18("9","5","8","9","4","8","1") = "8"
    & skf18("9","5","8","9","4","9","1") = "8"
    & skf18("9","5","8","9","4","10","1") = "9"
    & skf18("9","5","8","9","5","1","1") = "8"
    & skf18("9","5","8","9","5","2","1") = "8"
    & skf18("9","5","8","9","5","3","1") = "8"
    & skf18("9","5","8","9","5","4","1") = "8"
    & skf18("9","5","8","9","5","5","1") = "8"
    & skf18("9","5","8","9","5","6","1") = "8"
    & skf18("9","5","8","9","5","7","1") = "8"
    & skf18("9","5","8","9","5","8","1") = "8"
    & skf18("9","5","8","9","5","9","1") = "8"
    & skf18("9","5","8","9","5","10","1") = "9"
    & skf18("9","5","8","9","6","1","1") = "8"
    & skf18("9","5","8","9","6","2","1") = "8"
    & skf18("9","5","8","9","6","3","1") = "8"
    & skf18("9","5","8","9","6","4","1") = "8"
    & skf18("9","5","8","9","6","5","1") = "8"
    & skf18("9","5","8","9","6","6","1") = "8"
    & skf18("9","5","8","9","6","7","1") = "8"
    & skf18("9","5","8","9","6","8","1") = "8"
    & skf18("9","5","8","9","6","9","1") = "8"
    & skf18("9","5","8","9","6","10","1") = "9"
    & skf18("9","5","8","9","7","1","1") = "8"
    & skf18("9","5","8","9","7","2","1") = "8"
    & skf18("9","5","8","9","7","3","1") = "8"
    & skf18("9","5","8","9","7","4","1") = "8"
    & skf18("9","5","8","9","7","5","1") = "8"
    & skf18("9","5","8","9","7","6","1") = "8"
    & skf18("9","5","8","9","7","7","1") = "8"
    & skf18("9","5","8","9","7","8","1") = "8"
    & skf18("9","5","8","9","7","9","1") = "8"
    & skf18("9","5","8","9","7","10","1") = "9"
    & skf18("9","5","8","9","8","1","1") = "8"
    & skf18("9","5","8","9","8","2","1") = "8"
    & skf18("9","5","8","9","8","3","1") = "8"
    & skf18("9","5","8","9","8","4","1") = "8"
    & skf18("9","5","8","9","8","5","1") = "8"
    & skf18("9","5","8","9","8","6","1") = "8"
    & skf18("9","5","8","9","8","7","1") = "8"
    & skf18("9","5","8","9","8","8","1") = "8"
    & skf18("9","5","8","9","8","9","1") = "8"
    & skf18("9","5","8","9","8","10","1") = "9"
    & skf18("9","5","8","9","9","1","1") = "8"
    & skf18("9","5","8","9","9","2","1") = "8"
    & skf18("9","5","8","9","9","3","1") = "8"
    & skf18("9","5","8","9","9","4","1") = "8"
    & skf18("9","5","8","9","9","5","1") = "8"
    & skf18("9","5","8","9","9","6","1") = "8"
    & skf18("9","5","8","9","9","7","1") = "8"
    & skf18("9","5","8","9","9","8","1") = "8"
    & skf18("9","5","8","9","9","9","1") = "8"
    & skf18("9","5","8","9","9","10","1") = "9"
    & skf18("9","5","8","9","10","1","1") = "9"
    & skf18("9","5","8","9","10","2","1") = "9"
    & skf18("9","5","8","9","10","3","1") = "9"
    & skf18("9","5","8","9","10","4","1") = "9"
    & skf18("9","5","8","9","10","5","1") = "9"
    & skf18("9","5","8","9","10","6","1") = "9"
    & skf18("9","5","8","9","10","7","1") = "9"
    & skf18("9","5","8","9","10","8","1") = "9"
    & skf18("9","5","8","9","10","9","1") = "9"
    & skf18("9","5","8","9","10","10","1") = "9"
    & skf18("9","5","8","10","1","1","1") = "9"
    & skf18("9","5","8","10","1","2","1") = "9"
    & skf18("9","5","8","10","1","3","1") = "9"
    & skf18("9","5","8","10","1","4","1") = "9"
    & skf18("9","5","8","10","1","5","1") = "9"
    & skf18("9","5","8","10","1","6","1") = "9"
    & skf18("9","5","8","10","1","7","1") = "9"
    & skf18("9","5","8","10","1","8","1") = "9"
    & skf18("9","5","8","10","1","9","1") = "9"
    & skf18("9","5","8","10","1","10","1") = "9"
    & skf18("9","5","8","10","2","1","1") = "9"
    & skf18("9","5","8","10","2","2","1") = "9"
    & skf18("9","5","8","10","2","3","1") = "9"
    & skf18("9","5","8","10","2","4","1") = "9"
    & skf18("9","5","8","10","2","5","1") = "9"
    & skf18("9","5","8","10","2","6","1") = "9"
    & skf18("9","5","8","10","2","7","1") = "9"
    & skf18("9","5","8","10","2","8","1") = "9"
    & skf18("9","5","8","10","2","9","1") = "9"
    & skf18("9","5","8","10","2","10","1") = "9"
    & skf18("9","5","8","10","3","1","1") = "9"
    & skf18("9","5","8","10","3","2","1") = "9"
    & skf18("9","5","8","10","3","3","1") = "9"
    & skf18("9","5","8","10","3","4","1") = "9"
    & skf18("9","5","8","10","3","5","1") = "9"
    & skf18("9","5","8","10","3","6","1") = "9"
    & skf18("9","5","8","10","3","7","1") = "9"
    & skf18("9","5","8","10","3","8","1") = "9"
    & skf18("9","5","8","10","3","9","1") = "9"
    & skf18("9","5","8","10","3","10","1") = "9"
    & skf18("9","5","8","10","4","1","1") = "9"
    & skf18("9","5","8","10","4","2","1") = "9"
    & skf18("9","5","8","10","4","3","1") = "9"
    & skf18("9","5","8","10","4","4","1") = "9"
    & skf18("9","5","8","10","4","5","1") = "9"
    & skf18("9","5","8","10","4","6","1") = "9"
    & skf18("9","5","8","10","4","7","1") = "9"
    & skf18("9","5","8","10","4","8","1") = "9"
    & skf18("9","5","8","10","4","9","1") = "9"
    & skf18("9","5","8","10","4","10","1") = "9"
    & skf18("9","5","8","10","5","1","1") = "9"
    & skf18("9","5","8","10","5","2","1") = "9"
    & skf18("9","5","8","10","5","3","1") = "9"
    & skf18("9","5","8","10","5","4","1") = "9"
    & skf18("9","5","8","10","5","5","1") = "9"
    & skf18("9","5","8","10","5","6","1") = "9"
    & skf18("9","5","8","10","5","7","1") = "9"
    & skf18("9","5","8","10","5","8","1") = "9"
    & skf18("9","5","8","10","5","9","1") = "9"
    & skf18("9","5","8","10","5","10","1") = "9"
    & skf18("9","5","8","10","6","1","1") = "9"
    & skf18("9","5","8","10","6","2","1") = "9"
    & skf18("9","5","8","10","6","3","1") = "9"
    & skf18("9","5","8","10","6","4","1") = "9"
    & skf18("9","5","8","10","6","5","1") = "9"
    & skf18("9","5","8","10","6","6","1") = "9"
    & skf18("9","5","8","10","6","7","1") = "9"
    & skf18("9","5","8","10","6","8","1") = "9"
    & skf18("9","5","8","10","6","9","1") = "9"
    & skf18("9","5","8","10","6","10","1") = "9"
    & skf18("9","5","8","10","7","1","1") = "9"
    & skf18("9","5","8","10","7","2","1") = "9"
    & skf18("9","5","8","10","7","3","1") = "9"
    & skf18("9","5","8","10","7","4","1") = "9"
    & skf18("9","5","8","10","7","5","1") = "9"
    & skf18("9","5","8","10","7","6","1") = "9"
    & skf18("9","5","8","10","7","7","1") = "9"
    & skf18("9","5","8","10","7","8","1") = "9"
    & skf18("9","5","8","10","7","9","1") = "9"
    & skf18("9","5","8","10","7","10","1") = "9"
    & skf18("9","5","8","10","8","1","1") = "9"
    & skf18("9","5","8","10","8","2","1") = "9"
    & skf18("9","5","8","10","8","3","1") = "9"
    & skf18("9","5","8","10","8","4","1") = "9"
    & skf18("9","5","8","10","8","5","1") = "9"
    & skf18("9","5","8","10","8","6","1") = "9"
    & skf18("9","5","8","10","8","7","1") = "9"
    & skf18("9","5","8","10","8","8","1") = "9"
    & skf18("9","5","8","10","8","9","1") = "9"
    & skf18("9","5","8","10","8","10","1") = "9"
    & skf18("9","5","8","10","9","1","1") = "9"
    & skf18("9","5","8","10","9","2","1") = "9"
    & skf18("9","5","8","10","9","3","1") = "9"
    & skf18("9","5","8","10","9","4","1") = "9"
    & skf18("9","5","8","10","9","5","1") = "9"
    & skf18("9","5","8","10","9","6","1") = "9"
    & skf18("9","5","8","10","9","7","1") = "9"
    & skf18("9","5","8","10","9","8","1") = "9"
    & skf18("9","5","8","10","9","9","1") = "9"
    & skf18("9","5","8","10","9","10","1") = "9"
    & skf18("9","5","8","10","10","1","1") = "9"
    & skf18("9","5","8","10","10","2","1") = "9"
    & skf18("9","5","8","10","10","3","1") = "9"
    & skf18("9","5","8","10","10","4","1") = "9"
    & skf18("9","5","8","10","10","5","1") = "9"
    & skf18("9","5","8","10","10","6","1") = "9"
    & skf18("9","5","8","10","10","7","1") = "9"
    & skf18("9","5","8","10","10","8","1") = "9"
    & skf18("9","5","8","10","10","9","1") = "9"
    & skf18("9","5","8","10","10","10","1") = "9"
    & skf18("9","5","9","1","1","1","1") = "8"
    & skf18("9","5","9","1","1","2","1") = "8"
    & skf18("9","5","9","1","1","3","1") = "8"
    & skf18("9","5","9","1","1","4","1") = "8"
    & skf18("9","5","9","1","1","5","1") = "8"
    & skf18("9","5","9","1","1","6","1") = "8"
    & skf18("9","5","9","1","1","7","1") = "8"
    & skf18("9","5","9","1","1","8","1") = "8"
    & skf18("9","5","9","1","1","9","1") = "8"
    & skf18("9","5","9","1","1","10","1") = "9"
    & skf18("9","5","9","1","2","1","1") = "8"
    & skf18("9","5","9","1","2","2","1") = "8"
    & skf18("9","5","9","1","2","3","1") = "8"
    & skf18("9","5","9","1","2","4","1") = "8"
    & skf18("9","5","9","1","2","5","1") = "8"
    & skf18("9","5","9","1","2","6","1") = "8"
    & skf18("9","5","9","1","2","7","1") = "8"
    & skf18("9","5","9","1","2","8","1") = "8"
    & skf18("9","5","9","1","2","9","1") = "8"
    & skf18("9","5","9","1","2","10","1") = "9"
    & skf18("9","5","9","1","3","1","1") = "8"
    & skf18("9","5","9","1","3","2","1") = "8"
    & skf18("9","5","9","1","3","3","1") = "8"
    & skf18("9","5","9","1","3","4","1") = "8"
    & skf18("9","5","9","1","3","5","1") = "8"
    & skf18("9","5","9","1","3","6","1") = "8"
    & skf18("9","5","9","1","3","7","1") = "8"
    & skf18("9","5","9","1","3","8","1") = "8"
    & skf18("9","5","9","1","3","9","1") = "8"
    & skf18("9","5","9","1","3","10","1") = "9"
    & skf18("9","5","9","1","4","1","1") = "8"
    & skf18("9","5","9","1","4","2","1") = "8"
    & skf18("9","5","9","1","4","3","1") = "8"
    & skf18("9","5","9","1","4","4","1") = "8"
    & skf18("9","5","9","1","4","5","1") = "8"
    & skf18("9","5","9","1","4","6","1") = "8"
    & skf18("9","5","9","1","4","7","1") = "8"
    & skf18("9","5","9","1","4","8","1") = "8"
    & skf18("9","5","9","1","4","9","1") = "8"
    & skf18("9","5","9","1","4","10","1") = "9"
    & skf18("9","5","9","1","5","1","1") = "8"
    & skf18("9","5","9","1","5","2","1") = "8"
    & skf18("9","5","9","1","5","3","1") = "8"
    & skf18("9","5","9","1","5","4","1") = "8"
    & skf18("9","5","9","1","5","5","1") = "8"
    & skf18("9","5","9","1","5","6","1") = "8"
    & skf18("9","5","9","1","5","7","1") = "8"
    & skf18("9","5","9","1","5","8","1") = "8"
    & skf18("9","5","9","1","5","9","1") = "8"
    & skf18("9","5","9","1","5","10","1") = "9"
    & skf18("9","5","9","1","6","1","1") = "8"
    & skf18("9","5","9","1","6","2","1") = "8"
    & skf18("9","5","9","1","6","3","1") = "8"
    & skf18("9","5","9","1","6","4","1") = "8"
    & skf18("9","5","9","1","6","5","1") = "8"
    & skf18("9","5","9","1","6","6","1") = "8"
    & skf18("9","5","9","1","6","7","1") = "8"
    & skf18("9","5","9","1","6","8","1") = "8"
    & skf18("9","5","9","1","6","9","1") = "8"
    & skf18("9","5","9","1","6","10","1") = "9"
    & skf18("9","5","9","1","7","1","1") = "8"
    & skf18("9","5","9","1","7","2","1") = "8"
    & skf18("9","5","9","1","7","3","1") = "8"
    & skf18("9","5","9","1","7","4","1") = "8"
    & skf18("9","5","9","1","7","5","1") = "8"
    & skf18("9","5","9","1","7","6","1") = "8"
    & skf18("9","5","9","1","7","7","1") = "8"
    & skf18("9","5","9","1","7","8","1") = "8"
    & skf18("9","5","9","1","7","9","1") = "8"
    & skf18("9","5","9","1","7","10","1") = "9"
    & skf18("9","5","9","1","8","1","1") = "8"
    & skf18("9","5","9","1","8","2","1") = "8"
    & skf18("9","5","9","1","8","3","1") = "8"
    & skf18("9","5","9","1","8","4","1") = "8"
    & skf18("9","5","9","1","8","5","1") = "8"
    & skf18("9","5","9","1","8","6","1") = "8"
    & skf18("9","5","9","1","8","7","1") = "8"
    & skf18("9","5","9","1","8","8","1") = "8"
    & skf18("9","5","9","1","8","9","1") = "8"
    & skf18("9","5","9","1","8","10","1") = "9"
    & skf18("9","5","9","1","9","1","1") = "8"
    & skf18("9","5","9","1","9","2","1") = "8"
    & skf18("9","5","9","1","9","3","1") = "8"
    & skf18("9","5","9","1","9","4","1") = "8"
    & skf18("9","5","9","1","9","5","1") = "8"
    & skf18("9","5","9","1","9","6","1") = "8"
    & skf18("9","5","9","1","9","7","1") = "8"
    & skf18("9","5","9","1","9","8","1") = "8"
    & skf18("9","5","9","1","9","9","1") = "8"
    & skf18("9","5","9","1","9","10","1") = "9"
    & skf18("9","5","9","1","10","1","1") = "9"
    & skf18("9","5","9","1","10","2","1") = "9"
    & skf18("9","5","9","1","10","3","1") = "9"
    & skf18("9","5","9","1","10","4","1") = "9"
    & skf18("9","5","9","1","10","5","1") = "9"
    & skf18("9","5","9","1","10","6","1") = "9"
    & skf18("9","5","9","1","10","7","1") = "9"
    & skf18("9","5","9","1","10","8","1") = "9"
    & skf18("9","5","9","1","10","9","1") = "9"
    & skf18("9","5","9","1","10","10","1") = "9"
    & skf18("9","5","9","2","1","1","1") = "8"
    & skf18("9","5","9","2","1","2","1") = "8"
    & skf18("9","5","9","2","1","3","1") = "8"
    & skf18("9","5","9","2","1","4","1") = "8"
    & skf18("9","5","9","2","1","5","1") = "8"
    & skf18("9","5","9","2","1","6","1") = "8"
    & skf18("9","5","9","2","1","7","1") = "8"
    & skf18("9","5","9","2","1","8","1") = "8"
    & skf18("9","5","9","2","1","9","1") = "8"
    & skf18("9","5","9","2","1","10","1") = "9"
    & skf18("9","5","9","2","2","1","1") = "8"
    & skf18("9","5","9","2","2","2","1") = "8"
    & skf18("9","5","9","2","2","3","1") = "8"
    & skf18("9","5","9","2","2","4","1") = "8"
    & skf18("9","5","9","2","2","5","1") = "8"
    & skf18("9","5","9","2","2","6","1") = "8"
    & skf18("9","5","9","2","2","7","1") = "8"
    & skf18("9","5","9","2","2","8","1") = "8"
    & skf18("9","5","9","2","2","9","1") = "8"
    & skf18("9","5","9","2","2","10","1") = "9"
    & skf18("9","5","9","2","3","1","1") = "8"
    & skf18("9","5","9","2","3","2","1") = "8"
    & skf18("9","5","9","2","3","3","1") = "8"
    & skf18("9","5","9","2","3","4","1") = "8"
    & skf18("9","5","9","2","3","5","1") = "8"
    & skf18("9","5","9","2","3","6","1") = "8"
    & skf18("9","5","9","2","3","7","1") = "8"
    & skf18("9","5","9","2","3","8","1") = "8"
    & skf18("9","5","9","2","3","9","1") = "8"
    & skf18("9","5","9","2","3","10","1") = "9"
    & skf18("9","5","9","2","4","1","1") = "8"
    & skf18("9","5","9","2","4","2","1") = "8"
    & skf18("9","5","9","2","4","3","1") = "8"
    & skf18("9","5","9","2","4","4","1") = "8"
    & skf18("9","5","9","2","4","5","1") = "8"
    & skf18("9","5","9","2","4","6","1") = "8"
    & skf18("9","5","9","2","4","7","1") = "8"
    & skf18("9","5","9","2","4","8","1") = "8"
    & skf18("9","5","9","2","4","9","1") = "8"
    & skf18("9","5","9","2","4","10","1") = "9"
    & skf18("9","5","9","2","5","1","1") = "8"
    & skf18("9","5","9","2","5","2","1") = "8"
    & skf18("9","5","9","2","5","3","1") = "8"
    & skf18("9","5","9","2","5","4","1") = "8"
    & skf18("9","5","9","2","5","5","1") = "8"
    & skf18("9","5","9","2","5","6","1") = "8"
    & skf18("9","5","9","2","5","7","1") = "8"
    & skf18("9","5","9","2","5","8","1") = "8"
    & skf18("9","5","9","2","5","9","1") = "8"
    & skf18("9","5","9","2","5","10","1") = "9"
    & skf18("9","5","9","2","6","1","1") = "8"
    & skf18("9","5","9","2","6","2","1") = "8"
    & skf18("9","5","9","2","6","3","1") = "8"
    & skf18("9","5","9","2","6","4","1") = "8"
    & skf18("9","5","9","2","6","5","1") = "8"
    & skf18("9","5","9","2","6","6","1") = "8"
    & skf18("9","5","9","2","6","7","1") = "8"
    & skf18("9","5","9","2","6","8","1") = "8"
    & skf18("9","5","9","2","6","9","1") = "8"
    & skf18("9","5","9","2","6","10","1") = "9"
    & skf18("9","5","9","2","7","1","1") = "8"
    & skf18("9","5","9","2","7","2","1") = "8"
    & skf18("9","5","9","2","7","3","1") = "8"
    & skf18("9","5","9","2","7","4","1") = "8"
    & skf18("9","5","9","2","7","5","1") = "8"
    & skf18("9","5","9","2","7","6","1") = "8"
    & skf18("9","5","9","2","7","7","1") = "8"
    & skf18("9","5","9","2","7","8","1") = "8"
    & skf18("9","5","9","2","7","9","1") = "8"
    & skf18("9","5","9","2","7","10","1") = "9"
    & skf18("9","5","9","2","8","1","1") = "8"
    & skf18("9","5","9","2","8","2","1") = "8"
    & skf18("9","5","9","2","8","3","1") = "8"
    & skf18("9","5","9","2","8","4","1") = "8"
    & skf18("9","5","9","2","8","5","1") = "8"
    & skf18("9","5","9","2","8","6","1") = "8"
    & skf18("9","5","9","2","8","7","1") = "8"
    & skf18("9","5","9","2","8","8","1") = "8"
    & skf18("9","5","9","2","8","9","1") = "8"
    & skf18("9","5","9","2","8","10","1") = "9"
    & skf18("9","5","9","2","9","1","1") = "8"
    & skf18("9","5","9","2","9","2","1") = "8"
    & skf18("9","5","9","2","9","3","1") = "8"
    & skf18("9","5","9","2","9","4","1") = "8"
    & skf18("9","5","9","2","9","5","1") = "8"
    & skf18("9","5","9","2","9","6","1") = "8"
    & skf18("9","5","9","2","9","7","1") = "8"
    & skf18("9","5","9","2","9","8","1") = "8"
    & skf18("9","5","9","2","9","9","1") = "8"
    & skf18("9","5","9","2","9","10","1") = "9"
    & skf18("9","5","9","2","10","1","1") = "9"
    & skf18("9","5","9","2","10","2","1") = "9"
    & skf18("9","5","9","2","10","3","1") = "9"
    & skf18("9","5","9","2","10","4","1") = "9"
    & skf18("9","5","9","2","10","5","1") = "9"
    & skf18("9","5","9","2","10","6","1") = "9"
    & skf18("9","5","9","2","10","7","1") = "9"
    & skf18("9","5","9","2","10","8","1") = "9"
    & skf18("9","5","9","2","10","9","1") = "9"
    & skf18("9","5","9","2","10","10","1") = "9"
    & skf18("9","5","9","3","1","1","1") = "8"
    & skf18("9","5","9","3","1","2","1") = "8"
    & skf18("9","5","9","3","1","3","1") = "8"
    & skf18("9","5","9","3","1","4","1") = "8"
    & skf18("9","5","9","3","1","5","1") = "8"
    & skf18("9","5","9","3","1","6","1") = "8"
    & skf18("9","5","9","3","1","7","1") = "8"
    & skf18("9","5","9","3","1","8","1") = "8"
    & skf18("9","5","9","3","1","9","1") = "8"
    & skf18("9","5","9","3","1","10","1") = "9"
    & skf18("9","5","9","3","2","1","1") = "8"
    & skf18("9","5","9","3","2","2","1") = "8"
    & skf18("9","5","9","3","2","3","1") = "8"
    & skf18("9","5","9","3","2","4","1") = "8"
    & skf18("9","5","9","3","2","5","1") = "8"
    & skf18("9","5","9","3","2","6","1") = "8"
    & skf18("9","5","9","3","2","7","1") = "8"
    & skf18("9","5","9","3","2","8","1") = "8"
    & skf18("9","5","9","3","2","9","1") = "8"
    & skf18("9","5","9","3","2","10","1") = "9"
    & skf18("9","5","9","3","3","1","1") = "8"
    & skf18("9","5","9","3","3","2","1") = "8"
    & skf18("9","5","9","3","3","3","1") = "8"
    & skf18("9","5","9","3","3","4","1") = "8"
    & skf18("9","5","9","3","3","5","1") = "8"
    & skf18("9","5","9","3","3","6","1") = "8"
    & skf18("9","5","9","3","3","7","1") = "8"
    & skf18("9","5","9","3","3","8","1") = "8"
    & skf18("9","5","9","3","3","9","1") = "8"
    & skf18("9","5","9","3","3","10","1") = "9"
    & skf18("9","5","9","3","4","1","1") = "8"
    & skf18("9","5","9","3","4","2","1") = "8"
    & skf18("9","5","9","3","4","3","1") = "8"
    & skf18("9","5","9","3","4","4","1") = "8"
    & skf18("9","5","9","3","4","5","1") = "8"
    & skf18("9","5","9","3","4","6","1") = "8"
    & skf18("9","5","9","3","4","7","1") = "8"
    & skf18("9","5","9","3","4","8","1") = "8"
    & skf18("9","5","9","3","4","9","1") = "8"
    & skf18("9","5","9","3","4","10","1") = "9"
    & skf18("9","5","9","3","5","1","1") = "8"
    & skf18("9","5","9","3","5","2","1") = "8"
    & skf18("9","5","9","3","5","3","1") = "8"
    & skf18("9","5","9","3","5","4","1") = "8"
    & skf18("9","5","9","3","5","5","1") = "8"
    & skf18("9","5","9","3","5","6","1") = "8"
    & skf18("9","5","9","3","5","7","1") = "8"
    & skf18("9","5","9","3","5","8","1") = "8"
    & skf18("9","5","9","3","5","9","1") = "8"
    & skf18("9","5","9","3","5","10","1") = "9"
    & skf18("9","5","9","3","6","1","1") = "8"
    & skf18("9","5","9","3","6","2","1") = "8"
    & skf18("9","5","9","3","6","3","1") = "8"
    & skf18("9","5","9","3","6","4","1") = "8"
    & skf18("9","5","9","3","6","5","1") = "8"
    & skf18("9","5","9","3","6","6","1") = "8"
    & skf18("9","5","9","3","6","7","1") = "8"
    & skf18("9","5","9","3","6","8","1") = "8"
    & skf18("9","5","9","3","6","9","1") = "8"
    & skf18("9","5","9","3","6","10","1") = "9"
    & skf18("9","5","9","3","7","1","1") = "8"
    & skf18("9","5","9","3","7","2","1") = "8"
    & skf18("9","5","9","3","7","3","1") = "8"
    & skf18("9","5","9","3","7","4","1") = "8"
    & skf18("9","5","9","3","7","5","1") = "8"
    & skf18("9","5","9","3","7","6","1") = "8"
    & skf18("9","5","9","3","7","7","1") = "8"
    & skf18("9","5","9","3","7","8","1") = "8"
    & skf18("9","5","9","3","7","9","1") = "8"
    & skf18("9","5","9","3","7","10","1") = "9"
    & skf18("9","5","9","3","8","1","1") = "8"
    & skf18("9","5","9","3","8","2","1") = "8"
    & skf18("9","5","9","3","8","3","1") = "8"
    & skf18("9","5","9","3","8","4","1") = "8"
    & skf18("9","5","9","3","8","5","1") = "8"
    & skf18("9","5","9","3","8","6","1") = "8"
    & skf18("9","5","9","3","8","7","1") = "8"
    & skf18("9","5","9","3","8","8","1") = "8"
    & skf18("9","5","9","3","8","9","1") = "8"
    & skf18("9","5","9","3","8","10","1") = "9"
    & skf18("9","5","9","3","9","1","1") = "8"
    & skf18("9","5","9","3","9","2","1") = "8"
    & skf18("9","5","9","3","9","3","1") = "8"
    & skf18("9","5","9","3","9","4","1") = "8"
    & skf18("9","5","9","3","9","5","1") = "8"
    & skf18("9","5","9","3","9","6","1") = "8"
    & skf18("9","5","9","3","9","7","1") = "8"
    & skf18("9","5","9","3","9","8","1") = "8"
    & skf18("9","5","9","3","9","9","1") = "8"
    & skf18("9","5","9","3","9","10","1") = "9"
    & skf18("9","5","9","3","10","1","1") = "9"
    & skf18("9","5","9","3","10","2","1") = "9"
    & skf18("9","5","9","3","10","3","1") = "9"
    & skf18("9","5","9","3","10","4","1") = "9"
    & skf18("9","5","9","3","10","5","1") = "9"
    & skf18("9","5","9","3","10","6","1") = "9"
    & skf18("9","5","9","3","10","7","1") = "9"
    & skf18("9","5","9","3","10","8","1") = "9"
    & skf18("9","5","9","3","10","9","1") = "9"
    & skf18("9","5","9","3","10","10","1") = "9"
    & skf18("9","5","9","4","1","1","1") = "8"
    & skf18("9","5","9","4","1","2","1") = "8"
    & skf18("9","5","9","4","1","3","1") = "8"
    & skf18("9","5","9","4","1","4","1") = "8"
    & skf18("9","5","9","4","1","5","1") = "8"
    & skf18("9","5","9","4","1","6","1") = "8"
    & skf18("9","5","9","4","1","7","1") = "8"
    & skf18("9","5","9","4","1","8","1") = "8"
    & skf18("9","5","9","4","1","9","1") = "8"
    & skf18("9","5","9","4","1","10","1") = "9"
    & skf18("9","5","9","4","2","1","1") = "8"
    & skf18("9","5","9","4","2","2","1") = "8"
    & skf18("9","5","9","4","2","3","1") = "8"
    & skf18("9","5","9","4","2","4","1") = "8"
    & skf18("9","5","9","4","2","5","1") = "8"
    & skf18("9","5","9","4","2","6","1") = "8"
    & skf18("9","5","9","4","2","7","1") = "8"
    & skf18("9","5","9","4","2","8","1") = "8"
    & skf18("9","5","9","4","2","9","1") = "8"
    & skf18("9","5","9","4","2","10","1") = "9"
    & skf18("9","5","9","4","3","1","1") = "8"
    & skf18("9","5","9","4","3","2","1") = "8"
    & skf18("9","5","9","4","3","3","1") = "8"
    & skf18("9","5","9","4","3","4","1") = "8"
    & skf18("9","5","9","4","3","5","1") = "8"
    & skf18("9","5","9","4","3","6","1") = "8"
    & skf18("9","5","9","4","3","7","1") = "8"
    & skf18("9","5","9","4","3","8","1") = "8"
    & skf18("9","5","9","4","3","9","1") = "8"
    & skf18("9","5","9","4","3","10","1") = "9"
    & skf18("9","5","9","4","4","1","1") = "8"
    & skf18("9","5","9","4","4","2","1") = "8"
    & skf18("9","5","9","4","4","3","1") = "8"
    & skf18("9","5","9","4","4","4","1") = "8"
    & skf18("9","5","9","4","4","5","1") = "8"
    & skf18("9","5","9","4","4","6","1") = "8"
    & skf18("9","5","9","4","4","7","1") = "8"
    & skf18("9","5","9","4","4","8","1") = "8"
    & skf18("9","5","9","4","4","9","1") = "8"
    & skf18("9","5","9","4","4","10","1") = "9"
    & skf18("9","5","9","4","5","1","1") = "8"
    & skf18("9","5","9","4","5","2","1") = "8"
    & skf18("9","5","9","4","5","3","1") = "8"
    & skf18("9","5","9","4","5","4","1") = "8"
    & skf18("9","5","9","4","5","5","1") = "8"
    & skf18("9","5","9","4","5","6","1") = "8"
    & skf18("9","5","9","4","5","7","1") = "8"
    & skf18("9","5","9","4","5","8","1") = "8"
    & skf18("9","5","9","4","5","9","1") = "8"
    & skf18("9","5","9","4","5","10","1") = "9"
    & skf18("9","5","9","4","6","1","1") = "8"
    & skf18("9","5","9","4","6","2","1") = "8"
    & skf18("9","5","9","4","6","3","1") = "8"
    & skf18("9","5","9","4","6","4","1") = "8"
    & skf18("9","5","9","4","6","5","1") = "8"
    & skf18("9","5","9","4","6","6","1") = "8"
    & skf18("9","5","9","4","6","7","1") = "8"
    & skf18("9","5","9","4","6","8","1") = "8"
    & skf18("9","5","9","4","6","9","1") = "8"
    & skf18("9","5","9","4","6","10","1") = "9"
    & skf18("9","5","9","4","7","1","1") = "8"
    & skf18("9","5","9","4","7","2","1") = "8"
    & skf18("9","5","9","4","7","3","1") = "8"
    & skf18("9","5","9","4","7","4","1") = "8"
    & skf18("9","5","9","4","7","5","1") = "8"
    & skf18("9","5","9","4","7","6","1") = "8"
    & skf18("9","5","9","4","7","7","1") = "8"
    & skf18("9","5","9","4","7","8","1") = "8"
    & skf18("9","5","9","4","7","9","1") = "8"
    & skf18("9","5","9","4","7","10","1") = "9"
    & skf18("9","5","9","4","8","1","1") = "8"
    & skf18("9","5","9","4","8","2","1") = "8"
    & skf18("9","5","9","4","8","3","1") = "8"
    & skf18("9","5","9","4","8","4","1") = "8"
    & skf18("9","5","9","4","8","5","1") = "8"
    & skf18("9","5","9","4","8","6","1") = "8"
    & skf18("9","5","9","4","8","7","1") = "8"
    & skf18("9","5","9","4","8","8","1") = "8"
    & skf18("9","5","9","4","8","9","1") = "8"
    & skf18("9","5","9","4","8","10","1") = "9"
    & skf18("9","5","9","4","9","1","1") = "8"
    & skf18("9","5","9","4","9","2","1") = "8"
    & skf18("9","5","9","4","9","3","1") = "8"
    & skf18("9","5","9","4","9","4","1") = "8"
    & skf18("9","5","9","4","9","5","1") = "8"
    & skf18("9","5","9","4","9","6","1") = "8"
    & skf18("9","5","9","4","9","7","1") = "8"
    & skf18("9","5","9","4","9","8","1") = "8"
    & skf18("9","5","9","4","9","9","1") = "8"
    & skf18("9","5","9","4","9","10","1") = "9"
    & skf18("9","5","9","4","10","1","1") = "9"
    & skf18("9","5","9","4","10","2","1") = "9"
    & skf18("9","5","9","4","10","3","1") = "9"
    & skf18("9","5","9","4","10","4","1") = "9"
    & skf18("9","5","9","4","10","5","1") = "9"
    & skf18("9","5","9","4","10","6","1") = "9"
    & skf18("9","5","9","4","10","7","1") = "9"
    & skf18("9","5","9","4","10","8","1") = "9"
    & skf18("9","5","9","4","10","9","1") = "9"
    & skf18("9","5","9","4","10","10","1") = "9"
    & skf18("9","5","9","5","1","1","1") = "8"
    & skf18("9","5","9","5","1","2","1") = "8"
    & skf18("9","5","9","5","1","3","1") = "8"
    & skf18("9","5","9","5","1","4","1") = "8"
    & skf18("9","5","9","5","1","5","1") = "8"
    & skf18("9","5","9","5","1","6","1") = "8"
    & skf18("9","5","9","5","1","7","1") = "8"
    & skf18("9","5","9","5","1","8","1") = "8"
    & skf18("9","5","9","5","1","9","1") = "8"
    & skf18("9","5","9","5","1","10","1") = "9"
    & skf18("9","5","9","5","2","1","1") = "8"
    & skf18("9","5","9","5","2","2","1") = "8"
    & skf18("9","5","9","5","2","3","1") = "8"
    & skf18("9","5","9","5","2","4","1") = "8"
    & skf18("9","5","9","5","2","5","1") = "8"
    & skf18("9","5","9","5","2","6","1") = "8"
    & skf18("9","5","9","5","2","7","1") = "8"
    & skf18("9","5","9","5","2","8","1") = "8"
    & skf18("9","5","9","5","2","9","1") = "8"
    & skf18("9","5","9","5","2","10","1") = "9"
    & skf18("9","5","9","5","3","1","1") = "8"
    & skf18("9","5","9","5","3","2","1") = "8"
    & skf18("9","5","9","5","3","3","1") = "8"
    & skf18("9","5","9","5","3","4","1") = "8"
    & skf18("9","5","9","5","3","5","1") = "8"
    & skf18("9","5","9","5","3","6","1") = "8"
    & skf18("9","5","9","5","3","7","1") = "8"
    & skf18("9","5","9","5","3","8","1") = "8"
    & skf18("9","5","9","5","3","9","1") = "8"
    & skf18("9","5","9","5","3","10","1") = "9"
    & skf18("9","5","9","5","4","1","1") = "8"
    & skf18("9","5","9","5","4","2","1") = "8"
    & skf18("9","5","9","5","4","3","1") = "8"
    & skf18("9","5","9","5","4","4","1") = "8"
    & skf18("9","5","9","5","4","5","1") = "8"
    & skf18("9","5","9","5","4","6","1") = "8"
    & skf18("9","5","9","5","4","7","1") = "8"
    & skf18("9","5","9","5","4","8","1") = "8"
    & skf18("9","5","9","5","4","9","1") = "8"
    & skf18("9","5","9","5","4","10","1") = "9"
    & skf18("9","5","9","5","5","1","1") = "8"
    & skf18("9","5","9","5","5","2","1") = "8"
    & skf18("9","5","9","5","5","3","1") = "8"
    & skf18("9","5","9","5","5","4","1") = "8"
    & skf18("9","5","9","5","5","5","1") = "8"
    & skf18("9","5","9","5","5","6","1") = "8"
    & skf18("9","5","9","5","5","7","1") = "8"
    & skf18("9","5","9","5","5","8","1") = "8"
    & skf18("9","5","9","5","5","9","1") = "8"
    & skf18("9","5","9","5","5","10","1") = "9"
    & skf18("9","5","9","5","6","1","1") = "8"
    & skf18("9","5","9","5","6","2","1") = "8"
    & skf18("9","5","9","5","6","3","1") = "8"
    & skf18("9","5","9","5","6","4","1") = "8"
    & skf18("9","5","9","5","6","5","1") = "8"
    & skf18("9","5","9","5","6","6","1") = "8"
    & skf18("9","5","9","5","6","7","1") = "8"
    & skf18("9","5","9","5","6","8","1") = "8"
    & skf18("9","5","9","5","6","9","1") = "8"
    & skf18("9","5","9","5","6","10","1") = "9"
    & skf18("9","5","9","5","7","1","1") = "8"
    & skf18("9","5","9","5","7","2","1") = "8"
    & skf18("9","5","9","5","7","3","1") = "8"
    & skf18("9","5","9","5","7","4","1") = "8"
    & skf18("9","5","9","5","7","5","1") = "8"
    & skf18("9","5","9","5","7","6","1") = "8"
    & skf18("9","5","9","5","7","7","1") = "8"
    & skf18("9","5","9","5","7","8","1") = "8"
    & skf18("9","5","9","5","7","9","1") = "8"
    & skf18("9","5","9","5","7","10","1") = "9"
    & skf18("9","5","9","5","8","1","1") = "8"
    & skf18("9","5","9","5","8","2","1") = "8"
    & skf18("9","5","9","5","8","3","1") = "8"
    & skf18("9","5","9","5","8","4","1") = "8"
    & skf18("9","5","9","5","8","5","1") = "8"
    & skf18("9","5","9","5","8","6","1") = "8"
    & skf18("9","5","9","5","8","7","1") = "8"
    & skf18("9","5","9","5","8","8","1") = "8"
    & skf18("9","5","9","5","8","9","1") = "8"
    & skf18("9","5","9","5","8","10","1") = "9"
    & skf18("9","5","9","5","9","1","1") = "8"
    & skf18("9","5","9","5","9","2","1") = "8"
    & skf18("9","5","9","5","9","3","1") = "8"
    & skf18("9","5","9","5","9","4","1") = "8"
    & skf18("9","5","9","5","9","5","1") = "8"
    & skf18("9","5","9","5","9","6","1") = "8"
    & skf18("9","5","9","5","9","7","1") = "8"
    & skf18("9","5","9","5","9","8","1") = "8"
    & skf18("9","5","9","5","9","9","1") = "8"
    & skf18("9","5","9","5","9","10","1") = "9"
    & skf18("9","5","9","5","10","1","1") = "9"
    & skf18("9","5","9","5","10","2","1") = "9"
    & skf18("9","5","9","5","10","3","1") = "9"
    & skf18("9","5","9","5","10","4","1") = "9"
    & skf18("9","5","9","5","10","5","1") = "9"
    & skf18("9","5","9","5","10","6","1") = "9"
    & skf18("9","5","9","5","10","7","1") = "9"
    & skf18("9","5","9","5","10","8","1") = "9"
    & skf18("9","5","9","5","10","9","1") = "9"
    & skf18("9","5","9","5","10","10","1") = "9"
    & skf18("9","5","9","6","1","1","1") = "8"
    & skf18("9","5","9","6","1","2","1") = "8"
    & skf18("9","5","9","6","1","3","1") = "8"
    & skf18("9","5","9","6","1","4","1") = "8"
    & skf18("9","5","9","6","1","5","1") = "8"
    & skf18("9","5","9","6","1","6","1") = "8"
    & skf18("9","5","9","6","1","7","1") = "8"
    & skf18("9","5","9","6","1","8","1") = "8"
    & skf18("9","5","9","6","1","9","1") = "8"
    & skf18("9","5","9","6","1","10","1") = "9"
    & skf18("9","5","9","6","2","1","1") = "8"
    & skf18("9","5","9","6","2","2","1") = "8"
    & skf18("9","5","9","6","2","3","1") = "8"
    & skf18("9","5","9","6","2","4","1") = "8"
    & skf18("9","5","9","6","2","5","1") = "8"
    & skf18("9","5","9","6","2","6","1") = "8"
    & skf18("9","5","9","6","2","7","1") = "8"
    & skf18("9","5","9","6","2","8","1") = "8"
    & skf18("9","5","9","6","2","9","1") = "8"
    & skf18("9","5","9","6","2","10","1") = "9"
    & skf18("9","5","9","6","3","1","1") = "8"
    & skf18("9","5","9","6","3","2","1") = "8"
    & skf18("9","5","9","6","3","3","1") = "8"
    & skf18("9","5","9","6","3","4","1") = "8"
    & skf18("9","5","9","6","3","5","1") = "8"
    & skf18("9","5","9","6","3","6","1") = "8"
    & skf18("9","5","9","6","3","7","1") = "8"
    & skf18("9","5","9","6","3","8","1") = "8"
    & skf18("9","5","9","6","3","9","1") = "8"
    & skf18("9","5","9","6","3","10","1") = "9"
    & skf18("9","5","9","6","4","1","1") = "8"
    & skf18("9","5","9","6","4","2","1") = "8"
    & skf18("9","5","9","6","4","3","1") = "8"
    & skf18("9","5","9","6","4","4","1") = "8"
    & skf18("9","5","9","6","4","5","1") = "8"
    & skf18("9","5","9","6","4","6","1") = "8"
    & skf18("9","5","9","6","4","7","1") = "8"
    & skf18("9","5","9","6","4","8","1") = "8"
    & skf18("9","5","9","6","4","9","1") = "8"
    & skf18("9","5","9","6","4","10","1") = "9"
    & skf18("9","5","9","6","5","1","1") = "8"
    & skf18("9","5","9","6","5","2","1") = "8"
    & skf18("9","5","9","6","5","3","1") = "8"
    & skf18("9","5","9","6","5","4","1") = "8"
    & skf18("9","5","9","6","5","5","1") = "8"
    & skf18("9","5","9","6","5","6","1") = "8"
    & skf18("9","5","9","6","5","7","1") = "8"
    & skf18("9","5","9","6","5","8","1") = "8"
    & skf18("9","5","9","6","5","9","1") = "8"
    & skf18("9","5","9","6","5","10","1") = "9"
    & skf18("9","5","9","6","6","1","1") = "8"
    & skf18("9","5","9","6","6","2","1") = "8"
    & skf18("9","5","9","6","6","3","1") = "8"
    & skf18("9","5","9","6","6","4","1") = "8"
    & skf18("9","5","9","6","6","5","1") = "8"
    & skf18("9","5","9","6","6","6","1") = "8"
    & skf18("9","5","9","6","6","7","1") = "8"
    & skf18("9","5","9","6","6","8","1") = "8"
    & skf18("9","5","9","6","6","9","1") = "8"
    & skf18("9","5","9","6","6","10","1") = "9"
    & skf18("9","5","9","6","7","1","1") = "8"
    & skf18("9","5","9","6","7","2","1") = "8"
    & skf18("9","5","9","6","7","3","1") = "8"
    & skf18("9","5","9","6","7","4","1") = "8"
    & skf18("9","5","9","6","7","5","1") = "8"
    & skf18("9","5","9","6","7","6","1") = "8"
    & skf18("9","5","9","6","7","7","1") = "8"
    & skf18("9","5","9","6","7","8","1") = "8"
    & skf18("9","5","9","6","7","9","1") = "8"
    & skf18("9","5","9","6","7","10","1") = "9"
    & skf18("9","5","9","6","8","1","1") = "8"
    & skf18("9","5","9","6","8","2","1") = "8"
    & skf18("9","5","9","6","8","3","1") = "8"
    & skf18("9","5","9","6","8","4","1") = "8"
    & skf18("9","5","9","6","8","5","1") = "8"
    & skf18("9","5","9","6","8","6","1") = "8"
    & skf18("9","5","9","6","8","7","1") = "8"
    & skf18("9","5","9","6","8","8","1") = "8"
    & skf18("9","5","9","6","8","9","1") = "8"
    & skf18("9","5","9","6","8","10","1") = "9"
    & skf18("9","5","9","6","9","1","1") = "8"
    & skf18("9","5","9","6","9","2","1") = "8"
    & skf18("9","5","9","6","9","3","1") = "8"
    & skf18("9","5","9","6","9","4","1") = "8"
    & skf18("9","5","9","6","9","5","1") = "8"
    & skf18("9","5","9","6","9","6","1") = "8"
    & skf18("9","5","9","6","9","7","1") = "8"
    & skf18("9","5","9","6","9","8","1") = "8"
    & skf18("9","5","9","6","9","9","1") = "8"
    & skf18("9","5","9","6","9","10","1") = "9"
    & skf18("9","5","9","6","10","1","1") = "9"
    & skf18("9","5","9","6","10","2","1") = "9"
    & skf18("9","5","9","6","10","3","1") = "9"
    & skf18("9","5","9","6","10","4","1") = "9"
    & skf18("9","5","9","6","10","5","1") = "9"
    & skf18("9","5","9","6","10","6","1") = "9"
    & skf18("9","5","9","6","10","7","1") = "9"
    & skf18("9","5","9","6","10","8","1") = "9"
    & skf18("9","5","9","6","10","9","1") = "9"
    & skf18("9","5","9","6","10","10","1") = "9"
    & skf18("9","5","9","7","1","1","1") = "8"
    & skf18("9","5","9","7","1","2","1") = "8"
    & skf18("9","5","9","7","1","3","1") = "8"
    & skf18("9","5","9","7","1","4","1") = "8"
    & skf18("9","5","9","7","1","5","1") = "8"
    & skf18("9","5","9","7","1","6","1") = "8"
    & skf18("9","5","9","7","1","7","1") = "8"
    & skf18("9","5","9","7","1","8","1") = "8"
    & skf18("9","5","9","7","1","9","1") = "8"
    & skf18("9","5","9","7","1","10","1") = "9"
    & skf18("9","5","9","7","2","1","1") = "8"
    & skf18("9","5","9","7","2","2","1") = "8"
    & skf18("9","5","9","7","2","3","1") = "8"
    & skf18("9","5","9","7","2","4","1") = "8"
    & skf18("9","5","9","7","2","5","1") = "8"
    & skf18("9","5","9","7","2","6","1") = "8"
    & skf18("9","5","9","7","2","7","1") = "8"
    & skf18("9","5","9","7","2","8","1") = "8"
    & skf18("9","5","9","7","2","9","1") = "8"
    & skf18("9","5","9","7","2","10","1") = "9"
    & skf18("9","5","9","7","3","1","1") = "8"
    & skf18("9","5","9","7","3","2","1") = "8"
    & skf18("9","5","9","7","3","3","1") = "8"
    & skf18("9","5","9","7","3","4","1") = "8"
    & skf18("9","5","9","7","3","5","1") = "8"
    & skf18("9","5","9","7","3","6","1") = "8"
    & skf18("9","5","9","7","3","7","1") = "8"
    & skf18("9","5","9","7","3","8","1") = "8"
    & skf18("9","5","9","7","3","9","1") = "8"
    & skf18("9","5","9","7","3","10","1") = "9"
    & skf18("9","5","9","7","4","1","1") = "8"
    & skf18("9","5","9","7","4","2","1") = "8"
    & skf18("9","5","9","7","4","3","1") = "8"
    & skf18("9","5","9","7","4","4","1") = "8"
    & skf18("9","5","9","7","4","5","1") = "8"
    & skf18("9","5","9","7","4","6","1") = "8"
    & skf18("9","5","9","7","4","7","1") = "8"
    & skf18("9","5","9","7","4","8","1") = "8"
    & skf18("9","5","9","7","4","9","1") = "8"
    & skf18("9","5","9","7","4","10","1") = "9"
    & skf18("9","5","9","7","5","1","1") = "8"
    & skf18("9","5","9","7","5","2","1") = "8"
    & skf18("9","5","9","7","5","3","1") = "8"
    & skf18("9","5","9","7","5","4","1") = "8"
    & skf18("9","5","9","7","5","5","1") = "8"
    & skf18("9","5","9","7","5","6","1") = "8"
    & skf18("9","5","9","7","5","7","1") = "8"
    & skf18("9","5","9","7","5","8","1") = "8"
    & skf18("9","5","9","7","5","9","1") = "8"
    & skf18("9","5","9","7","5","10","1") = "9"
    & skf18("9","5","9","7","6","1","1") = "8"
    & skf18("9","5","9","7","6","2","1") = "8"
    & skf18("9","5","9","7","6","3","1") = "8"
    & skf18("9","5","9","7","6","4","1") = "8"
    & skf18("9","5","9","7","6","5","1") = "8"
    & skf18("9","5","9","7","6","6","1") = "8"
    & skf18("9","5","9","7","6","7","1") = "8"
    & skf18("9","5","9","7","6","8","1") = "8"
    & skf18("9","5","9","7","6","9","1") = "8"
    & skf18("9","5","9","7","6","10","1") = "9"
    & skf18("9","5","9","7","7","1","1") = "8"
    & skf18("9","5","9","7","7","2","1") = "8"
    & skf18("9","5","9","7","7","3","1") = "8"
    & skf18("9","5","9","7","7","4","1") = "8"
    & skf18("9","5","9","7","7","5","1") = "8"
    & skf18("9","5","9","7","7","6","1") = "8"
    & skf18("9","5","9","7","7","7","1") = "8"
    & skf18("9","5","9","7","7","8","1") = "8"
    & skf18("9","5","9","7","7","9","1") = "8"
    & skf18("9","5","9","7","7","10","1") = "9"
    & skf18("9","5","9","7","8","1","1") = "8"
    & skf18("9","5","9","7","8","2","1") = "8"
    & skf18("9","5","9","7","8","3","1") = "8"
    & skf18("9","5","9","7","8","4","1") = "8"
    & skf18("9","5","9","7","8","5","1") = "8"
    & skf18("9","5","9","7","8","6","1") = "8"
    & skf18("9","5","9","7","8","7","1") = "8"
    & skf18("9","5","9","7","8","8","1") = "8"
    & skf18("9","5","9","7","8","9","1") = "8"
    & skf18("9","5","9","7","8","10","1") = "9"
    & skf18("9","5","9","7","9","1","1") = "8"
    & skf18("9","5","9","7","9","2","1") = "8"
    & skf18("9","5","9","7","9","3","1") = "8"
    & skf18("9","5","9","7","9","4","1") = "8"
    & skf18("9","5","9","7","9","5","1") = "8"
    & skf18("9","5","9","7","9","6","1") = "8"
    & skf18("9","5","9","7","9","7","1") = "8"
    & skf18("9","5","9","7","9","8","1") = "8"
    & skf18("9","5","9","7","9","9","1") = "8"
    & skf18("9","5","9","7","9","10","1") = "9"
    & skf18("9","5","9","7","10","1","1") = "9"
    & skf18("9","5","9","7","10","2","1") = "9"
    & skf18("9","5","9","7","10","3","1") = "9"
    & skf18("9","5","9","7","10","4","1") = "9"
    & skf18("9","5","9","7","10","5","1") = "9"
    & skf18("9","5","9","7","10","6","1") = "9"
    & skf18("9","5","9","7","10","7","1") = "9"
    & skf18("9","5","9","7","10","8","1") = "9"
    & skf18("9","5","9","7","10","9","1") = "9"
    & skf18("9","5","9","7","10","10","1") = "9"
    & skf18("9","5","9","8","1","1","1") = "8"
    & skf18("9","5","9","8","1","2","1") = "8"
    & skf18("9","5","9","8","1","3","1") = "8"
    & skf18("9","5","9","8","1","4","1") = "8"
    & skf18("9","5","9","8","1","5","1") = "8"
    & skf18("9","5","9","8","1","6","1") = "8"
    & skf18("9","5","9","8","1","7","1") = "8"
    & skf18("9","5","9","8","1","8","1") = "8"
    & skf18("9","5","9","8","1","9","1") = "8"
    & skf18("9","5","9","8","1","10","1") = "9"
    & skf18("9","5","9","8","2","1","1") = "8"
    & skf18("9","5","9","8","2","2","1") = "8"
    & skf18("9","5","9","8","2","3","1") = "8"
    & skf18("9","5","9","8","2","4","1") = "8"
    & skf18("9","5","9","8","2","5","1") = "8"
    & skf18("9","5","9","8","2","6","1") = "8"
    & skf18("9","5","9","8","2","7","1") = "8"
    & skf18("9","5","9","8","2","8","1") = "8"
    & skf18("9","5","9","8","2","9","1") = "8"
    & skf18("9","5","9","8","2","10","1") = "9"
    & skf18("9","5","9","8","3","1","1") = "8"
    & skf18("9","5","9","8","3","2","1") = "8"
    & skf18("9","5","9","8","3","3","1") = "8"
    & skf18("9","5","9","8","3","4","1") = "8"
    & skf18("9","5","9","8","3","5","1") = "8"
    & skf18("9","5","9","8","3","6","1") = "8"
    & skf18("9","5","9","8","3","7","1") = "8"
    & skf18("9","5","9","8","3","8","1") = "8"
    & skf18("9","5","9","8","3","9","1") = "8"
    & skf18("9","5","9","8","3","10","1") = "9"
    & skf18("9","5","9","8","4","1","1") = "8"
    & skf18("9","5","9","8","4","2","1") = "8"
    & skf18("9","5","9","8","4","3","1") = "8"
    & skf18("9","5","9","8","4","4","1") = "8"
    & skf18("9","5","9","8","4","5","1") = "8"
    & skf18("9","5","9","8","4","6","1") = "8"
    & skf18("9","5","9","8","4","7","1") = "8"
    & skf18("9","5","9","8","4","8","1") = "8"
    & skf18("9","5","9","8","4","9","1") = "8"
    & skf18("9","5","9","8","4","10","1") = "9"
    & skf18("9","5","9","8","5","1","1") = "8"
    & skf18("9","5","9","8","5","2","1") = "8"
    & skf18("9","5","9","8","5","3","1") = "8"
    & skf18("9","5","9","8","5","4","1") = "8"
    & skf18("9","5","9","8","5","5","1") = "8"
    & skf18("9","5","9","8","5","6","1") = "8"
    & skf18("9","5","9","8","5","7","1") = "8"
    & skf18("9","5","9","8","5","8","1") = "8"
    & skf18("9","5","9","8","5","9","1") = "8"
    & skf18("9","5","9","8","5","10","1") = "9"
    & skf18("9","5","9","8","6","1","1") = "8"
    & skf18("9","5","9","8","6","2","1") = "8"
    & skf18("9","5","9","8","6","3","1") = "8"
    & skf18("9","5","9","8","6","4","1") = "8"
    & skf18("9","5","9","8","6","5","1") = "8"
    & skf18("9","5","9","8","6","6","1") = "8"
    & skf18("9","5","9","8","6","7","1") = "8"
    & skf18("9","5","9","8","6","8","1") = "8"
    & skf18("9","5","9","8","6","9","1") = "8"
    & skf18("9","5","9","8","6","10","1") = "9"
    & skf18("9","5","9","8","7","1","1") = "8"
    & skf18("9","5","9","8","7","2","1") = "8"
    & skf18("9","5","9","8","7","3","1") = "8"
    & skf18("9","5","9","8","7","4","1") = "8"
    & skf18("9","5","9","8","7","5","1") = "8"
    & skf18("9","5","9","8","7","6","1") = "8"
    & skf18("9","5","9","8","7","7","1") = "8"
    & skf18("9","5","9","8","7","8","1") = "8"
    & skf18("9","5","9","8","7","9","1") = "8"
    & skf18("9","5","9","8","7","10","1") = "9"
    & skf18("9","5","9","8","8","1","1") = "8"
    & skf18("9","5","9","8","8","2","1") = "8"
    & skf18("9","5","9","8","8","3","1") = "8"
    & skf18("9","5","9","8","8","4","1") = "8"
    & skf18("9","5","9","8","8","5","1") = "8"
    & skf18("9","5","9","8","8","6","1") = "8"
    & skf18("9","5","9","8","8","7","1") = "8"
    & skf18("9","5","9","8","8","8","1") = "8"
    & skf18("9","5","9","8","8","9","1") = "8"
    & skf18("9","5","9","8","8","10","1") = "9"
    & skf18("9","5","9","8","9","1","1") = "8"
    & skf18("9","5","9","8","9","2","1") = "8"
    & skf18("9","5","9","8","9","3","1") = "8"
    & skf18("9","5","9","8","9","4","1") = "8"
    & skf18("9","5","9","8","9","5","1") = "8"
    & skf18("9","5","9","8","9","6","1") = "8"
    & skf18("9","5","9","8","9","7","1") = "8"
    & skf18("9","5","9","8","9","8","1") = "8"
    & skf18("9","5","9","8","9","9","1") = "8"
    & skf18("9","5","9","8","9","10","1") = "9"
    & skf18("9","5","9","8","10","1","1") = "9"
    & skf18("9","5","9","8","10","2","1") = "9"
    & skf18("9","5","9","8","10","3","1") = "9"
    & skf18("9","5","9","8","10","4","1") = "9"
    & skf18("9","5","9","8","10","5","1") = "9"
    & skf18("9","5","9","8","10","6","1") = "9"
    & skf18("9","5","9","8","10","7","1") = "9"
    & skf18("9","5","9","8","10","8","1") = "9"
    & skf18("9","5","9","8","10","9","1") = "9"
    & skf18("9","5","9","8","10","10","1") = "9"
    & skf18("9","5","9","9","1","1","1") = "8"
    & skf18("9","5","9","9","1","2","1") = "8"
    & skf18("9","5","9","9","1","3","1") = "8"
    & skf18("9","5","9","9","1","4","1") = "8"
    & skf18("9","5","9","9","1","5","1") = "8"
    & skf18("9","5","9","9","1","6","1") = "8"
    & skf18("9","5","9","9","1","7","1") = "8"
    & skf18("9","5","9","9","1","8","1") = "8"
    & skf18("9","5","9","9","1","9","1") = "8"
    & skf18("9","5","9","9","1","10","1") = "9"
    & skf18("9","5","9","9","2","1","1") = "8"
    & skf18("9","5","9","9","2","2","1") = "8"
    & skf18("9","5","9","9","2","3","1") = "8"
    & skf18("9","5","9","9","2","4","1") = "8"
    & skf18("9","5","9","9","2","5","1") = "8"
    & skf18("9","5","9","9","2","6","1") = "8"
    & skf18("9","5","9","9","2","7","1") = "8"
    & skf18("9","5","9","9","2","8","1") = "8"
    & skf18("9","5","9","9","2","9","1") = "8"
    & skf18("9","5","9","9","2","10","1") = "9"
    & skf18("9","5","9","9","3","1","1") = "8"
    & skf18("9","5","9","9","3","2","1") = "8"
    & skf18("9","5","9","9","3","3","1") = "8"
    & skf18("9","5","9","9","3","4","1") = "8"
    & skf18("9","5","9","9","3","5","1") = "8"
    & skf18("9","5","9","9","3","6","1") = "8"
    & skf18("9","5","9","9","3","7","1") = "8"
    & skf18("9","5","9","9","3","8","1") = "8"
    & skf18("9","5","9","9","3","9","1") = "8"
    & skf18("9","5","9","9","3","10","1") = "9"
    & skf18("9","5","9","9","4","1","1") = "8"
    & skf18("9","5","9","9","4","2","1") = "8"
    & skf18("9","5","9","9","4","3","1") = "8"
    & skf18("9","5","9","9","4","4","1") = "8"
    & skf18("9","5","9","9","4","5","1") = "8"
    & skf18("9","5","9","9","4","6","1") = "8"
    & skf18("9","5","9","9","4","7","1") = "8"
    & skf18("9","5","9","9","4","8","1") = "8"
    & skf18("9","5","9","9","4","9","1") = "8"
    & skf18("9","5","9","9","4","10","1") = "9"
    & skf18("9","5","9","9","5","1","1") = "8"
    & skf18("9","5","9","9","5","2","1") = "8"
    & skf18("9","5","9","9","5","3","1") = "8"
    & skf18("9","5","9","9","5","4","1") = "8"
    & skf18("9","5","9","9","5","5","1") = "8"
    & skf18("9","5","9","9","5","6","1") = "8"
    & skf18("9","5","9","9","5","7","1") = "8"
    & skf18("9","5","9","9","5","8","1") = "8"
    & skf18("9","5","9","9","5","9","1") = "8"
    & skf18("9","5","9","9","5","10","1") = "9"
    & skf18("9","5","9","9","6","1","1") = "8"
    & skf18("9","5","9","9","6","2","1") = "8"
    & skf18("9","5","9","9","6","3","1") = "8"
    & skf18("9","5","9","9","6","4","1") = "8"
    & skf18("9","5","9","9","6","5","1") = "8"
    & skf18("9","5","9","9","6","6","1") = "8"
    & skf18("9","5","9","9","6","7","1") = "8"
    & skf18("9","5","9","9","6","8","1") = "8"
    & skf18("9","5","9","9","6","9","1") = "8"
    & skf18("9","5","9","9","6","10","1") = "9"
    & skf18("9","5","9","9","7","1","1") = "8"
    & skf18("9","5","9","9","7","2","1") = "8"
    & skf18("9","5","9","9","7","3","1") = "8"
    & skf18("9","5","9","9","7","4","1") = "8"
    & skf18("9","5","9","9","7","5","1") = "8"
    & skf18("9","5","9","9","7","6","1") = "8"
    & skf18("9","5","9","9","7","7","1") = "8"
    & skf18("9","5","9","9","7","8","1") = "8"
    & skf18("9","5","9","9","7","9","1") = "8"
    & skf18("9","5","9","9","7","10","1") = "9"
    & skf18("9","5","9","9","8","1","1") = "8"
    & skf18("9","5","9","9","8","2","1") = "8"
    & skf18("9","5","9","9","8","3","1") = "8"
    & skf18("9","5","9","9","8","4","1") = "8"
    & skf18("9","5","9","9","8","5","1") = "8"
    & skf18("9","5","9","9","8","6","1") = "8"
    & skf18("9","5","9","9","8","7","1") = "8"
    & skf18("9","5","9","9","8","8","1") = "8"
    & skf18("9","5","9","9","8","9","1") = "8"
    & skf18("9","5","9","9","8","10","1") = "9"
    & skf18("9","5","9","9","9","1","1") = "8"
    & skf18("9","5","9","9","9","2","1") = "8"
    & skf18("9","5","9","9","9","3","1") = "8"
    & skf18("9","5","9","9","9","4","1") = "8"
    & skf18("9","5","9","9","9","5","1") = "8"
    & skf18("9","5","9","9","9","6","1") = "8"
    & skf18("9","5","9","9","9","7","1") = "8"
    & skf18("9","5","9","9","9","8","1") = "8"
    & skf18("9","5","9","9","9","9","1") = "8"
    & skf18("9","5","9","9","9","10","1") = "9"
    & skf18("9","5","9","9","10","1","1") = "9"
    & skf18("9","5","9","9","10","2","1") = "9"
    & skf18("9","5","9","9","10","3","1") = "9"
    & skf18("9","5","9","9","10","4","1") = "9"
    & skf18("9","5","9","9","10","5","1") = "9"
    & skf18("9","5","9","9","10","6","1") = "9"
    & skf18("9","5","9","9","10","7","1") = "9"
    & skf18("9","5","9","9","10","8","1") = "9"
    & skf18("9","5","9","9","10","9","1") = "9"
    & skf18("9","5","9","9","10","10","1") = "9"
    & skf18("9","5","9","10","1","1","1") = "9"
    & skf18("9","5","9","10","1","2","1") = "9"
    & skf18("9","5","9","10","1","3","1") = "9"
    & skf18("9","5","9","10","1","4","1") = "9"
    & skf18("9","5","9","10","1","5","1") = "9"
    & skf18("9","5","9","10","1","6","1") = "9"
    & skf18("9","5","9","10","1","7","1") = "9"
    & skf18("9","5","9","10","1","8","1") = "9"
    & skf18("9","5","9","10","1","9","1") = "9"
    & skf18("9","5","9","10","1","10","1") = "9"
    & skf18("9","5","9","10","2","1","1") = "9"
    & skf18("9","5","9","10","2","2","1") = "9"
    & skf18("9","5","9","10","2","3","1") = "9"
    & skf18("9","5","9","10","2","4","1") = "9"
    & skf18("9","5","9","10","2","5","1") = "9"
    & skf18("9","5","9","10","2","6","1") = "9"
    & skf18("9","5","9","10","2","7","1") = "9"
    & skf18("9","5","9","10","2","8","1") = "9"
    & skf18("9","5","9","10","2","9","1") = "9"
    & skf18("9","5","9","10","2","10","1") = "9"
    & skf18("9","5","9","10","3","1","1") = "9"
    & skf18("9","5","9","10","3","2","1") = "9"
    & skf18("9","5","9","10","3","3","1") = "9"
    & skf18("9","5","9","10","3","4","1") = "9"
    & skf18("9","5","9","10","3","5","1") = "9"
    & skf18("9","5","9","10","3","6","1") = "9"
    & skf18("9","5","9","10","3","7","1") = "9"
    & skf18("9","5","9","10","3","8","1") = "9"
    & skf18("9","5","9","10","3","9","1") = "9"
    & skf18("9","5","9","10","3","10","1") = "9"
    & skf18("9","5","9","10","4","1","1") = "9"
    & skf18("9","5","9","10","4","2","1") = "9"
    & skf18("9","5","9","10","4","3","1") = "9"
    & skf18("9","5","9","10","4","4","1") = "9"
    & skf18("9","5","9","10","4","5","1") = "9"
    & skf18("9","5","9","10","4","6","1") = "9"
    & skf18("9","5","9","10","4","7","1") = "9"
    & skf18("9","5","9","10","4","8","1") = "9"
    & skf18("9","5","9","10","4","9","1") = "9"
    & skf18("9","5","9","10","4","10","1") = "9"
    & skf18("9","5","9","10","5","1","1") = "9"
    & skf18("9","5","9","10","5","2","1") = "9"
    & skf18("9","5","9","10","5","3","1") = "9"
    & skf18("9","5","9","10","5","4","1") = "9"
    & skf18("9","5","9","10","5","5","1") = "9"
    & skf18("9","5","9","10","5","6","1") = "9"
    & skf18("9","5","9","10","5","7","1") = "9"
    & skf18("9","5","9","10","5","8","1") = "9"
    & skf18("9","5","9","10","5","9","1") = "9"
    & skf18("9","5","9","10","5","10","1") = "9"
    & skf18("9","5","9","10","6","1","1") = "9"
    & skf18("9","5","9","10","6","2","1") = "9"
    & skf18("9","5","9","10","6","3","1") = "9"
    & skf18("9","5","9","10","6","4","1") = "9"
    & skf18("9","5","9","10","6","5","1") = "9"
    & skf18("9","5","9","10","6","6","1") = "9"
    & skf18("9","5","9","10","6","7","1") = "9"
    & skf18("9","5","9","10","6","8","1") = "9"
    & skf18("9","5","9","10","6","9","1") = "9"
    & skf18("9","5","9","10","6","10","1") = "9"
    & skf18("9","5","9","10","7","1","1") = "9"
    & skf18("9","5","9","10","7","2","1") = "9"
    & skf18("9","5","9","10","7","3","1") = "9"
    & skf18("9","5","9","10","7","4","1") = "9"
    & skf18("9","5","9","10","7","5","1") = "9"
    & skf18("9","5","9","10","7","6","1") = "9"
    & skf18("9","5","9","10","7","7","1") = "9"
    & skf18("9","5","9","10","7","8","1") = "9"
    & skf18("9","5","9","10","7","9","1") = "9"
    & skf18("9","5","9","10","7","10","1") = "9"
    & skf18("9","5","9","10","8","1","1") = "9"
    & skf18("9","5","9","10","8","2","1") = "9"
    & skf18("9","5","9","10","8","3","1") = "9"
    & skf18("9","5","9","10","8","4","1") = "9"
    & skf18("9","5","9","10","8","5","1") = "9"
    & skf18("9","5","9","10","8","6","1") = "9"
    & skf18("9","5","9","10","8","7","1") = "9"
    & skf18("9","5","9","10","8","8","1") = "9"
    & skf18("9","5","9","10","8","9","1") = "9"
    & skf18("9","5","9","10","8","10","1") = "9"
    & skf18("9","5","9","10","9","1","1") = "9"
    & skf18("9","5","9","10","9","2","1") = "9"
    & skf18("9","5","9","10","9","3","1") = "9"
    & skf18("9","5","9","10","9","4","1") = "9"
    & skf18("9","5","9","10","9","5","1") = "9"
    & skf18("9","5","9","10","9","6","1") = "9"
    & skf18("9","5","9","10","9","7","1") = "9"
    & skf18("9","5","9","10","9","8","1") = "9"
    & skf18("9","5","9","10","9","9","1") = "9"
    & skf18("9","5","9","10","9","10","1") = "9"
    & skf18("9","5","9","10","10","1","1") = "9"
    & skf18("9","5","9","10","10","2","1") = "9"
    & skf18("9","5","9","10","10","3","1") = "9"
    & skf18("9","5","9","10","10","4","1") = "9"
    & skf18("9","5","9","10","10","5","1") = "9"
    & skf18("9","5","9","10","10","6","1") = "9"
    & skf18("9","5","9","10","10","7","1") = "9"
    & skf18("9","5","9","10","10","8","1") = "9"
    & skf18("9","5","9","10","10","9","1") = "9"
    & skf18("9","5","9","10","10","10","1") = "9"
    & skf18("9","5","10","1","1","1","1") = "9"
    & skf18("9","5","10","1","1","2","1") = "9"
    & skf18("9","5","10","1","1","3","1") = "9"
    & skf18("9","5","10","1","1","4","1") = "9"
    & skf18("9","5","10","1","1","5","1") = "9"
    & skf18("9","5","10","1","1","6","1") = "9"
    & skf18("9","5","10","1","1","7","1") = "9"
    & skf18("9","5","10","1","1","8","1") = "9"
    & skf18("9","5","10","1","1","9","1") = "9"
    & skf18("9","5","10","1","1","10","1") = "9"
    & skf18("9","5","10","1","2","1","1") = "9"
    & skf18("9","5","10","1","2","2","1") = "9"
    & skf18("9","5","10","1","2","3","1") = "9"
    & skf18("9","5","10","1","2","4","1") = "9"
    & skf18("9","5","10","1","2","5","1") = "9"
    & skf18("9","5","10","1","2","6","1") = "9"
    & skf18("9","5","10","1","2","7","1") = "9"
    & skf18("9","5","10","1","2","8","1") = "9"
    & skf18("9","5","10","1","2","9","1") = "9"
    & skf18("9","5","10","1","2","10","1") = "9"
    & skf18("9","5","10","1","3","1","1") = "9"
    & skf18("9","5","10","1","3","2","1") = "9"
    & skf18("9","5","10","1","3","3","1") = "9"
    & skf18("9","5","10","1","3","4","1") = "9"
    & skf18("9","5","10","1","3","5","1") = "9"
    & skf18("9","5","10","1","3","6","1") = "9"
    & skf18("9","5","10","1","3","7","1") = "9"
    & skf18("9","5","10","1","3","8","1") = "9"
    & skf18("9","5","10","1","3","9","1") = "9"
    & skf18("9","5","10","1","3","10","1") = "9"
    & skf18("9","5","10","1","4","1","1") = "9"
    & skf18("9","5","10","1","4","2","1") = "9"
    & skf18("9","5","10","1","4","3","1") = "9"
    & skf18("9","5","10","1","4","4","1") = "9"
    & skf18("9","5","10","1","4","5","1") = "9"
    & skf18("9","5","10","1","4","6","1") = "9"
    & skf18("9","5","10","1","4","7","1") = "9"
    & skf18("9","5","10","1","4","8","1") = "9"
    & skf18("9","5","10","1","4","9","1") = "9"
    & skf18("9","5","10","1","4","10","1") = "9"
    & skf18("9","5","10","1","5","1","1") = "9"
    & skf18("9","5","10","1","5","2","1") = "9"
    & skf18("9","5","10","1","5","3","1") = "9"
    & skf18("9","5","10","1","5","4","1") = "9"
    & skf18("9","5","10","1","5","5","1") = "9"
    & skf18("9","5","10","1","5","6","1") = "9"
    & skf18("9","5","10","1","5","7","1") = "9"
    & skf18("9","5","10","1","5","8","1") = "9"
    & skf18("9","5","10","1","5","9","1") = "9"
    & skf18("9","5","10","1","5","10","1") = "9"
    & skf18("9","5","10","1","6","1","1") = "9"
    & skf18("9","5","10","1","6","2","1") = "9"
    & skf18("9","5","10","1","6","3","1") = "9"
    & skf18("9","5","10","1","6","4","1") = "9"
    & skf18("9","5","10","1","6","5","1") = "9"
    & skf18("9","5","10","1","6","6","1") = "9"
    & skf18("9","5","10","1","6","7","1") = "9"
    & skf18("9","5","10","1","6","8","1") = "9"
    & skf18("9","5","10","1","6","9","1") = "9"
    & skf18("9","5","10","1","6","10","1") = "9"
    & skf18("9","5","10","1","7","1","1") = "9"
    & skf18("9","5","10","1","7","2","1") = "9"
    & skf18("9","5","10","1","7","3","1") = "9"
    & skf18("9","5","10","1","7","4","1") = "9"
    & skf18("9","5","10","1","7","5","1") = "9"
    & skf18("9","5","10","1","7","6","1") = "9"
    & skf18("9","5","10","1","7","7","1") = "9"
    & skf18("9","5","10","1","7","8","1") = "9"
    & skf18("9","5","10","1","7","9","1") = "9"
    & skf18("9","5","10","1","7","10","1") = "9"
    & skf18("9","5","10","1","8","1","1") = "9"
    & skf18("9","5","10","1","8","2","1") = "9"
    & skf18("9","5","10","1","8","3","1") = "9"
    & skf18("9","5","10","1","8","4","1") = "9"
    & skf18("9","5","10","1","8","5","1") = "9"
    & skf18("9","5","10","1","8","6","1") = "9"
    & skf18("9","5","10","1","8","7","1") = "9"
    & skf18("9","5","10","1","8","8","1") = "9"
    & skf18("9","5","10","1","8","9","1") = "9"
    & skf18("9","5","10","1","8","10","1") = "9"
    & skf18("9","5","10","1","9","1","1") = "9"
    & skf18("9","5","10","1","9","2","1") = "9"
    & skf18("9","5","10","1","9","3","1") = "9"
    & skf18("9","5","10","1","9","4","1") = "9"
    & skf18("9","5","10","1","9","5","1") = "9"
    & skf18("9","5","10","1","9","6","1") = "9"
    & skf18("9","5","10","1","9","7","1") = "9"
    & skf18("9","5","10","1","9","8","1") = "9"
    & skf18("9","5","10","1","9","9","1") = "9"
    & skf18("9","5","10","1","9","10","1") = "9"
    & skf18("9","5","10","1","10","1","1") = "9"
    & skf18("9","5","10","1","10","2","1") = "9"
    & skf18("9","5","10","1","10","3","1") = "9"
    & skf18("9","5","10","1","10","4","1") = "9"
    & skf18("9","5","10","1","10","5","1") = "9"
    & skf18("9","5","10","1","10","6","1") = "9"
    & skf18("9","5","10","1","10","7","1") = "9"
    & skf18("9","5","10","1","10","8","1") = "9"
    & skf18("9","5","10","1","10","9","1") = "9"
    & skf18("9","5","10","1","10","10","1") = "9"
    & skf18("9","5","10","2","1","1","1") = "9"
    & skf18("9","5","10","2","1","2","1") = "9"
    & skf18("9","5","10","2","1","3","1") = "9"
    & skf18("9","5","10","2","1","4","1") = "9"
    & skf18("9","5","10","2","1","5","1") = "9"
    & skf18("9","5","10","2","1","6","1") = "9"
    & skf18("9","5","10","2","1","7","1") = "9"
    & skf18("9","5","10","2","1","8","1") = "9"
    & skf18("9","5","10","2","1","9","1") = "9"
    & skf18("9","5","10","2","1","10","1") = "9"
    & skf18("9","5","10","2","2","1","1") = "9"
    & skf18("9","5","10","2","2","2","1") = "9"
    & skf18("9","5","10","2","2","3","1") = "9"
    & skf18("9","5","10","2","2","4","1") = "9"
    & skf18("9","5","10","2","2","5","1") = "9"
    & skf18("9","5","10","2","2","6","1") = "9"
    & skf18("9","5","10","2","2","7","1") = "9"
    & skf18("9","5","10","2","2","8","1") = "9"
    & skf18("9","5","10","2","2","9","1") = "9"
    & skf18("9","5","10","2","2","10","1") = "9"
    & skf18("9","5","10","2","3","1","1") = "9"
    & skf18("9","5","10","2","3","2","1") = "9"
    & skf18("9","5","10","2","3","3","1") = "9"
    & skf18("9","5","10","2","3","4","1") = "9"
    & skf18("9","5","10","2","3","5","1") = "9"
    & skf18("9","5","10","2","3","6","1") = "9"
    & skf18("9","5","10","2","3","7","1") = "9"
    & skf18("9","5","10","2","3","8","1") = "9"
    & skf18("9","5","10","2","3","9","1") = "9"
    & skf18("9","5","10","2","3","10","1") = "9"
    & skf18("9","5","10","2","4","1","1") = "9"
    & skf18("9","5","10","2","4","2","1") = "9"
    & skf18("9","5","10","2","4","3","1") = "9"
    & skf18("9","5","10","2","4","4","1") = "9"
    & skf18("9","5","10","2","4","5","1") = "9"
    & skf18("9","5","10","2","4","6","1") = "9"
    & skf18("9","5","10","2","4","7","1") = "9"
    & skf18("9","5","10","2","4","8","1") = "9"
    & skf18("9","5","10","2","4","9","1") = "9"
    & skf18("9","5","10","2","4","10","1") = "9"
    & skf18("9","5","10","2","5","1","1") = "9"
    & skf18("9","5","10","2","5","2","1") = "9"
    & skf18("9","5","10","2","5","3","1") = "9"
    & skf18("9","5","10","2","5","4","1") = "9"
    & skf18("9","5","10","2","5","5","1") = "9"
    & skf18("9","5","10","2","5","6","1") = "9"
    & skf18("9","5","10","2","5","7","1") = "9"
    & skf18("9","5","10","2","5","8","1") = "9"
    & skf18("9","5","10","2","5","9","1") = "9"
    & skf18("9","5","10","2","5","10","1") = "9"
    & skf18("9","5","10","2","6","1","1") = "9"
    & skf18("9","5","10","2","6","2","1") = "9"
    & skf18("9","5","10","2","6","3","1") = "9"
    & skf18("9","5","10","2","6","4","1") = "9"
    & skf18("9","5","10","2","6","5","1") = "9"
    & skf18("9","5","10","2","6","6","1") = "9"
    & skf18("9","5","10","2","6","7","1") = "9"
    & skf18("9","5","10","2","6","8","1") = "9"
    & skf18("9","5","10","2","6","9","1") = "9"
    & skf18("9","5","10","2","6","10","1") = "9"
    & skf18("9","5","10","2","7","1","1") = "9"
    & skf18("9","5","10","2","7","2","1") = "9"
    & skf18("9","5","10","2","7","3","1") = "9"
    & skf18("9","5","10","2","7","4","1") = "9"
    & skf18("9","5","10","2","7","5","1") = "9"
    & skf18("9","5","10","2","7","6","1") = "9"
    & skf18("9","5","10","2","7","7","1") = "9"
    & skf18("9","5","10","2","7","8","1") = "9"
    & skf18("9","5","10","2","7","9","1") = "9"
    & skf18("9","5","10","2","7","10","1") = "9"
    & skf18("9","5","10","2","8","1","1") = "9"
    & skf18("9","5","10","2","8","2","1") = "9"
    & skf18("9","5","10","2","8","3","1") = "9"
    & skf18("9","5","10","2","8","4","1") = "9"
    & skf18("9","5","10","2","8","5","1") = "9"
    & skf18("9","5","10","2","8","6","1") = "9"
    & skf18("9","5","10","2","8","7","1") = "9"
    & skf18("9","5","10","2","8","8","1") = "9"
    & skf18("9","5","10","2","8","9","1") = "9"
    & skf18("9","5","10","2","8","10","1") = "9"
    & skf18("9","5","10","2","9","1","1") = "9"
    & skf18("9","5","10","2","9","2","1") = "9"
    & skf18("9","5","10","2","9","3","1") = "9"
    & skf18("9","5","10","2","9","4","1") = "9"
    & skf18("9","5","10","2","9","5","1") = "9"
    & skf18("9","5","10","2","9","6","1") = "9"
    & skf18("9","5","10","2","9","7","1") = "9"
    & skf18("9","5","10","2","9","8","1") = "9"
    & skf18("9","5","10","2","9","9","1") = "9"
    & skf18("9","5","10","2","9","10","1") = "9"
    & skf18("9","5","10","2","10","1","1") = "9"
    & skf18("9","5","10","2","10","2","1") = "9"
    & skf18("9","5","10","2","10","3","1") = "9"
    & skf18("9","5","10","2","10","4","1") = "9"
    & skf18("9","5","10","2","10","5","1") = "9"
    & skf18("9","5","10","2","10","6","1") = "9"
    & skf18("9","5","10","2","10","7","1") = "9"
    & skf18("9","5","10","2","10","8","1") = "9"
    & skf18("9","5","10","2","10","9","1") = "9"
    & skf18("9","5","10","2","10","10","1") = "9"
    & skf18("9","5","10","3","1","1","1") = "9"
    & skf18("9","5","10","3","1","2","1") = "9"
    & skf18("9","5","10","3","1","3","1") = "9"
    & skf18("9","5","10","3","1","4","1") = "9"
    & skf18("9","5","10","3","1","5","1") = "9"
    & skf18("9","5","10","3","1","6","1") = "9"
    & skf18("9","5","10","3","1","7","1") = "9"
    & skf18("9","5","10","3","1","8","1") = "9"
    & skf18("9","5","10","3","1","9","1") = "9"
    & skf18("9","5","10","3","1","10","1") = "9"
    & skf18("9","5","10","3","2","1","1") = "9"
    & skf18("9","5","10","3","2","2","1") = "9"
    & skf18("9","5","10","3","2","3","1") = "9"
    & skf18("9","5","10","3","2","4","1") = "9"
    & skf18("9","5","10","3","2","5","1") = "9"
    & skf18("9","5","10","3","2","6","1") = "9"
    & skf18("9","5","10","3","2","7","1") = "9"
    & skf18("9","5","10","3","2","8","1") = "9"
    & skf18("9","5","10","3","2","9","1") = "9"
    & skf18("9","5","10","3","2","10","1") = "9"
    & skf18("9","5","10","3","3","1","1") = "9"
    & skf18("9","5","10","3","3","2","1") = "9"
    & skf18("9","5","10","3","3","3","1") = "9"
    & skf18("9","5","10","3","3","4","1") = "9"
    & skf18("9","5","10","3","3","5","1") = "9"
    & skf18("9","5","10","3","3","6","1") = "9"
    & skf18("9","5","10","3","3","7","1") = "9"
    & skf18("9","5","10","3","3","8","1") = "9"
    & skf18("9","5","10","3","3","9","1") = "9"
    & skf18("9","5","10","3","3","10","1") = "9"
    & skf18("9","5","10","3","4","1","1") = "9"
    & skf18("9","5","10","3","4","2","1") = "9"
    & skf18("9","5","10","3","4","3","1") = "9"
    & skf18("9","5","10","3","4","4","1") = "9"
    & skf18("9","5","10","3","4","5","1") = "9"
    & skf18("9","5","10","3","4","6","1") = "9"
    & skf18("9","5","10","3","4","7","1") = "9"
    & skf18("9","5","10","3","4","8","1") = "9"
    & skf18("9","5","10","3","4","9","1") = "9"
    & skf18("9","5","10","3","4","10","1") = "9"
    & skf18("9","5","10","3","5","1","1") = "9"
    & skf18("9","5","10","3","5","2","1") = "9"
    & skf18("9","5","10","3","5","3","1") = "9"
    & skf18("9","5","10","3","5","4","1") = "9"
    & skf18("9","5","10","3","5","5","1") = "9"
    & skf18("9","5","10","3","5","6","1") = "9"
    & skf18("9","5","10","3","5","7","1") = "9"
    & skf18("9","5","10","3","5","8","1") = "9"
    & skf18("9","5","10","3","5","9","1") = "9"
    & skf18("9","5","10","3","5","10","1") = "9"
    & skf18("9","5","10","3","6","1","1") = "9"
    & skf18("9","5","10","3","6","2","1") = "9"
    & skf18("9","5","10","3","6","3","1") = "9"
    & skf18("9","5","10","3","6","4","1") = "9"
    & skf18("9","5","10","3","6","5","1") = "9"
    & skf18("9","5","10","3","6","6","1") = "9"
    & skf18("9","5","10","3","6","7","1") = "9"
    & skf18("9","5","10","3","6","8","1") = "9"
    & skf18("9","5","10","3","6","9","1") = "9"
    & skf18("9","5","10","3","6","10","1") = "9"
    & skf18("9","5","10","3","7","1","1") = "9"
    & skf18("9","5","10","3","7","2","1") = "9"
    & skf18("9","5","10","3","7","3","1") = "9"
    & skf18("9","5","10","3","7","4","1") = "9"
    & skf18("9","5","10","3","7","5","1") = "9"
    & skf18("9","5","10","3","7","6","1") = "9"
    & skf18("9","5","10","3","7","7","1") = "9"
    & skf18("9","5","10","3","7","8","1") = "9"
    & skf18("9","5","10","3","7","9","1") = "9"
    & skf18("9","5","10","3","7","10","1") = "9"
    & skf18("9","5","10","3","8","1","1") = "9"
    & skf18("9","5","10","3","8","2","1") = "9"
    & skf18("9","5","10","3","8","3","1") = "9"
    & skf18("9","5","10","3","8","4","1") = "9"
    & skf18("9","5","10","3","8","5","1") = "9"
    & skf18("9","5","10","3","8","6","1") = "9"
    & skf18("9","5","10","3","8","7","1") = "9"
    & skf18("9","5","10","3","8","8","1") = "9"
    & skf18("9","5","10","3","8","9","1") = "9"
    & skf18("9","5","10","3","8","10","1") = "9"
    & skf18("9","5","10","3","9","1","1") = "9"
    & skf18("9","5","10","3","9","2","1") = "9"
    & skf18("9","5","10","3","9","3","1") = "9"
    & skf18("9","5","10","3","9","4","1") = "9"
    & skf18("9","5","10","3","9","5","1") = "9"
    & skf18("9","5","10","3","9","6","1") = "9"
    & skf18("9","5","10","3","9","7","1") = "9"
    & skf18("9","5","10","3","9","8","1") = "9"
    & skf18("9","5","10","3","9","9","1") = "9"
    & skf18("9","5","10","3","9","10","1") = "9"
    & skf18("9","5","10","3","10","1","1") = "9"
    & skf18("9","5","10","3","10","2","1") = "9"
    & skf18("9","5","10","3","10","3","1") = "9"
    & skf18("9","5","10","3","10","4","1") = "9"
    & skf18("9","5","10","3","10","5","1") = "9"
    & skf18("9","5","10","3","10","6","1") = "9"
    & skf18("9","5","10","3","10","7","1") = "9"
    & skf18("9","5","10","3","10","8","1") = "9"
    & skf18("9","5","10","3","10","9","1") = "9"
    & skf18("9","5","10","3","10","10","1") = "9"
    & skf18("9","5","10","4","1","1","1") = "9"
    & skf18("9","5","10","4","1","2","1") = "9"
    & skf18("9","5","10","4","1","3","1") = "9"
    & skf18("9","5","10","4","1","4","1") = "9"
    & skf18("9","5","10","4","1","5","1") = "9"
    & skf18("9","5","10","4","1","6","1") = "9"
    & skf18("9","5","10","4","1","7","1") = "9"
    & skf18("9","5","10","4","1","8","1") = "9"
    & skf18("9","5","10","4","1","9","1") = "9"
    & skf18("9","5","10","4","1","10","1") = "9"
    & skf18("9","5","10","4","2","1","1") = "9"
    & skf18("9","5","10","4","2","2","1") = "9"
    & skf18("9","5","10","4","2","3","1") = "9"
    & skf18("9","5","10","4","2","4","1") = "9"
    & skf18("9","5","10","4","2","5","1") = "9"
    & skf18("9","5","10","4","2","6","1") = "9"
    & skf18("9","5","10","4","2","7","1") = "9"
    & skf18("9","5","10","4","2","8","1") = "9"
    & skf18("9","5","10","4","2","9","1") = "9"
    & skf18("9","5","10","4","2","10","1") = "9"
    & skf18("9","5","10","4","3","1","1") = "9"
    & skf18("9","5","10","4","3","2","1") = "9"
    & skf18("9","5","10","4","3","3","1") = "9"
    & skf18("9","5","10","4","3","4","1") = "9"
    & skf18("9","5","10","4","3","5","1") = "9"
    & skf18("9","5","10","4","3","6","1") = "9"
    & skf18("9","5","10","4","3","7","1") = "9"
    & skf18("9","5","10","4","3","8","1") = "9"
    & skf18("9","5","10","4","3","9","1") = "9"
    & skf18("9","5","10","4","3","10","1") = "9"
    & skf18("9","5","10","4","4","1","1") = "9"
    & skf18("9","5","10","4","4","2","1") = "9"
    & skf18("9","5","10","4","4","3","1") = "9"
    & skf18("9","5","10","4","4","4","1") = "9"
    & skf18("9","5","10","4","4","5","1") = "9"
    & skf18("9","5","10","4","4","6","1") = "9"
    & skf18("9","5","10","4","4","7","1") = "9"
    & skf18("9","5","10","4","4","8","1") = "9"
    & skf18("9","5","10","4","4","9","1") = "9"
    & skf18("9","5","10","4","4","10","1") = "9"
    & skf18("9","5","10","4","5","1","1") = "9"
    & skf18("9","5","10","4","5","2","1") = "9"
    & skf18("9","5","10","4","5","3","1") = "9"
    & skf18("9","5","10","4","5","4","1") = "9"
    & skf18("9","5","10","4","5","5","1") = "9"
    & skf18("9","5","10","4","5","6","1") = "9"
    & skf18("9","5","10","4","5","7","1") = "9"
    & skf18("9","5","10","4","5","8","1") = "9"
    & skf18("9","5","10","4","5","9","1") = "9"
    & skf18("9","5","10","4","5","10","1") = "9"
    & skf18("9","5","10","4","6","1","1") = "9"
    & skf18("9","5","10","4","6","2","1") = "9"
    & skf18("9","5","10","4","6","3","1") = "9"
    & skf18("9","5","10","4","6","4","1") = "9"
    & skf18("9","5","10","4","6","5","1") = "9"
    & skf18("9","5","10","4","6","6","1") = "9"
    & skf18("9","5","10","4","6","7","1") = "9"
    & skf18("9","5","10","4","6","8","1") = "9"
    & skf18("9","5","10","4","6","9","1") = "9"
    & skf18("9","5","10","4","6","10","1") = "9"
    & skf18("9","5","10","4","7","1","1") = "9"
    & skf18("9","5","10","4","7","2","1") = "9"
    & skf18("9","5","10","4","7","3","1") = "9"
    & skf18("9","5","10","4","7","4","1") = "9"
    & skf18("9","5","10","4","7","5","1") = "9"
    & skf18("9","5","10","4","7","6","1") = "9"
    & skf18("9","5","10","4","7","7","1") = "9"
    & skf18("9","5","10","4","7","8","1") = "9"
    & skf18("9","5","10","4","7","9","1") = "9"
    & skf18("9","5","10","4","7","10","1") = "9"
    & skf18("9","5","10","4","8","1","1") = "9"
    & skf18("9","5","10","4","8","2","1") = "9"
    & skf18("9","5","10","4","8","3","1") = "9"
    & skf18("9","5","10","4","8","4","1") = "9"
    & skf18("9","5","10","4","8","5","1") = "9"
    & skf18("9","5","10","4","8","6","1") = "9"
    & skf18("9","5","10","4","8","7","1") = "9"
    & skf18("9","5","10","4","8","8","1") = "9"
    & skf18("9","5","10","4","8","9","1") = "9"
    & skf18("9","5","10","4","8","10","1") = "9"
    & skf18("9","5","10","4","9","1","1") = "9"
    & skf18("9","5","10","4","9","2","1") = "9"
    & skf18("9","5","10","4","9","3","1") = "9"
    & skf18("9","5","10","4","9","4","1") = "9"
    & skf18("9","5","10","4","9","5","1") = "9"
    & skf18("9","5","10","4","9","6","1") = "9"
    & skf18("9","5","10","4","9","7","1") = "9"
    & skf18("9","5","10","4","9","8","1") = "9"
    & skf18("9","5","10","4","9","9","1") = "9"
    & skf18("9","5","10","4","9","10","1") = "9"
    & skf18("9","5","10","4","10","1","1") = "9"
    & skf18("9","5","10","4","10","2","1") = "9"
    & skf18("9","5","10","4","10","3","1") = "9"
    & skf18("9","5","10","4","10","4","1") = "9"
    & skf18("9","5","10","4","10","5","1") = "9"
    & skf18("9","5","10","4","10","6","1") = "9"
    & skf18("9","5","10","4","10","7","1") = "9"
    & skf18("9","5","10","4","10","8","1") = "9"
    & skf18("9","5","10","4","10","9","1") = "9"
    & skf18("9","5","10","4","10","10","1") = "9"
    & skf18("9","5","10","5","1","1","1") = "9"
    & skf18("9","5","10","5","1","2","1") = "9"
    & skf18("9","5","10","5","1","3","1") = "9"
    & skf18("9","5","10","5","1","4","1") = "9"
    & skf18("9","5","10","5","1","5","1") = "9"
    & skf18("9","5","10","5","1","6","1") = "9"
    & skf18("9","5","10","5","1","7","1") = "9"
    & skf18("9","5","10","5","1","8","1") = "9"
    & skf18("9","5","10","5","1","9","1") = "9"
    & skf18("9","5","10","5","1","10","1") = "9"
    & skf18("9","5","10","5","2","1","1") = "9"
    & skf18("9","5","10","5","2","2","1") = "9"
    & skf18("9","5","10","5","2","3","1") = "9"
    & skf18("9","5","10","5","2","4","1") = "9"
    & skf18("9","5","10","5","2","5","1") = "9"
    & skf18("9","5","10","5","2","6","1") = "9"
    & skf18("9","5","10","5","2","7","1") = "9"
    & skf18("9","5","10","5","2","8","1") = "9"
    & skf18("9","5","10","5","2","9","1") = "9"
    & skf18("9","5","10","5","2","10","1") = "9"
    & skf18("9","5","10","5","3","1","1") = "9"
    & skf18("9","5","10","5","3","2","1") = "9"
    & skf18("9","5","10","5","3","3","1") = "9"
    & skf18("9","5","10","5","3","4","1") = "9"
    & skf18("9","5","10","5","3","5","1") = "9"
    & skf18("9","5","10","5","3","6","1") = "9"
    & skf18("9","5","10","5","3","7","1") = "9"
    & skf18("9","5","10","5","3","8","1") = "9"
    & skf18("9","5","10","5","3","9","1") = "9"
    & skf18("9","5","10","5","3","10","1") = "9"
    & skf18("9","5","10","5","4","1","1") = "9"
    & skf18("9","5","10","5","4","2","1") = "9"
    & skf18("9","5","10","5","4","3","1") = "9"
    & skf18("9","5","10","5","4","4","1") = "9"
    & skf18("9","5","10","5","4","5","1") = "9"
    & skf18("9","5","10","5","4","6","1") = "9"
    & skf18("9","5","10","5","4","7","1") = "9"
    & skf18("9","5","10","5","4","8","1") = "9"
    & skf18("9","5","10","5","4","9","1") = "9"
    & skf18("9","5","10","5","4","10","1") = "9"
    & skf18("9","5","10","5","5","1","1") = "9"
    & skf18("9","5","10","5","5","2","1") = "9"
    & skf18("9","5","10","5","5","3","1") = "9"
    & skf18("9","5","10","5","5","4","1") = "9"
    & skf18("9","5","10","5","5","5","1") = "9"
    & skf18("9","5","10","5","5","6","1") = "9"
    & skf18("9","5","10","5","5","7","1") = "9"
    & skf18("9","5","10","5","5","8","1") = "9"
    & skf18("9","5","10","5","5","9","1") = "9"
    & skf18("9","5","10","5","5","10","1") = "9"
    & skf18("9","5","10","5","6","1","1") = "9"
    & skf18("9","5","10","5","6","2","1") = "9"
    & skf18("9","5","10","5","6","3","1") = "9"
    & skf18("9","5","10","5","6","4","1") = "9"
    & skf18("9","5","10","5","6","5","1") = "9"
    & skf18("9","5","10","5","6","6","1") = "9"
    & skf18("9","5","10","5","6","7","1") = "9"
    & skf18("9","5","10","5","6","8","1") = "9"
    & skf18("9","5","10","5","6","9","1") = "9"
    & skf18("9","5","10","5","6","10","1") = "9"
    & skf18("9","5","10","5","7","1","1") = "9"
    & skf18("9","5","10","5","7","2","1") = "9"
    & skf18("9","5","10","5","7","3","1") = "9"
    & skf18("9","5","10","5","7","4","1") = "9"
    & skf18("9","5","10","5","7","5","1") = "9"
    & skf18("9","5","10","5","7","6","1") = "9"
    & skf18("9","5","10","5","7","7","1") = "9"
    & skf18("9","5","10","5","7","8","1") = "9"
    & skf18("9","5","10","5","7","9","1") = "9"
    & skf18("9","5","10","5","7","10","1") = "9"
    & skf18("9","5","10","5","8","1","1") = "9"
    & skf18("9","5","10","5","8","2","1") = "9"
    & skf18("9","5","10","5","8","3","1") = "9"
    & skf18("9","5","10","5","8","4","1") = "9"
    & skf18("9","5","10","5","8","5","1") = "9"
    & skf18("9","5","10","5","8","6","1") = "9"
    & skf18("9","5","10","5","8","7","1") = "9"
    & skf18("9","5","10","5","8","8","1") = "9"
    & skf18("9","5","10","5","8","9","1") = "9"
    & skf18("9","5","10","5","8","10","1") = "9"
    & skf18("9","5","10","5","9","1","1") = "9"
    & skf18("9","5","10","5","9","2","1") = "9"
    & skf18("9","5","10","5","9","3","1") = "9"
    & skf18("9","5","10","5","9","4","1") = "9"
    & skf18("9","5","10","5","9","5","1") = "9"
    & skf18("9","5","10","5","9","6","1") = "9"
    & skf18("9","5","10","5","9","7","1") = "9"
    & skf18("9","5","10","5","9","8","1") = "9"
    & skf18("9","5","10","5","9","9","1") = "9"
    & skf18("9","5","10","5","9","10","1") = "9"
    & skf18("9","5","10","5","10","1","1") = "9"
    & skf18("9","5","10","5","10","2","1") = "9"
    & skf18("9","5","10","5","10","3","1") = "9"
    & skf18("9","5","10","5","10","4","1") = "9"
    & skf18("9","5","10","5","10","5","1") = "9"
    & skf18("9","5","10","5","10","6","1") = "9"
    & skf18("9","5","10","5","10","7","1") = "9"
    & skf18("9","5","10","5","10","8","1") = "9"
    & skf18("9","5","10","5","10","9","1") = "9"
    & skf18("9","5","10","5","10","10","1") = "9"
    & skf18("9","5","10","6","1","1","1") = "9"
    & skf18("9","5","10","6","1","2","1") = "9"
    & skf18("9","5","10","6","1","3","1") = "9"
    & skf18("9","5","10","6","1","4","1") = "9"
    & skf18("9","5","10","6","1","5","1") = "9"
    & skf18("9","5","10","6","1","6","1") = "9"
    & skf18("9","5","10","6","1","7","1") = "9"
    & skf18("9","5","10","6","1","8","1") = "9"
    & skf18("9","5","10","6","1","9","1") = "9"
    & skf18("9","5","10","6","1","10","1") = "9"
    & skf18("9","5","10","6","2","1","1") = "9"
    & skf18("9","5","10","6","2","2","1") = "9"
    & skf18("9","5","10","6","2","3","1") = "9"
    & skf18("9","5","10","6","2","4","1") = "9"
    & skf18("9","5","10","6","2","5","1") = "9"
    & skf18("9","5","10","6","2","6","1") = "9"
    & skf18("9","5","10","6","2","7","1") = "9"
    & skf18("9","5","10","6","2","8","1") = "9"
    & skf18("9","5","10","6","2","9","1") = "9"
    & skf18("9","5","10","6","2","10","1") = "9"
    & skf18("9","5","10","6","3","1","1") = "9"
    & skf18("9","5","10","6","3","2","1") = "9"
    & skf18("9","5","10","6","3","3","1") = "9"
    & skf18("9","5","10","6","3","4","1") = "9"
    & skf18("9","5","10","6","3","5","1") = "9"
    & skf18("9","5","10","6","3","6","1") = "9"
    & skf18("9","5","10","6","3","7","1") = "9"
    & skf18("9","5","10","6","3","8","1") = "9"
    & skf18("9","5","10","6","3","9","1") = "9"
    & skf18("9","5","10","6","3","10","1") = "9"
    & skf18("9","5","10","6","4","1","1") = "9"
    & skf18("9","5","10","6","4","2","1") = "9"
    & skf18("9","5","10","6","4","3","1") = "9"
    & skf18("9","5","10","6","4","4","1") = "9"
    & skf18("9","5","10","6","4","5","1") = "9"
    & skf18("9","5","10","6","4","6","1") = "9"
    & skf18("9","5","10","6","4","7","1") = "9"
    & skf18("9","5","10","6","4","8","1") = "9"
    & skf18("9","5","10","6","4","9","1") = "9"
    & skf18("9","5","10","6","4","10","1") = "9"
    & skf18("9","5","10","6","5","1","1") = "9"
    & skf18("9","5","10","6","5","2","1") = "9"
    & skf18("9","5","10","6","5","3","1") = "9"
    & skf18("9","5","10","6","5","4","1") = "9"
    & skf18("9","5","10","6","5","5","1") = "9"
    & skf18("9","5","10","6","5","6","1") = "9"
    & skf18("9","5","10","6","5","7","1") = "9"
    & skf18("9","5","10","6","5","8","1") = "9"
    & skf18("9","5","10","6","5","9","1") = "9"
    & skf18("9","5","10","6","5","10","1") = "9"
    & skf18("9","5","10","6","6","1","1") = "9"
    & skf18("9","5","10","6","6","2","1") = "9"
    & skf18("9","5","10","6","6","3","1") = "9"
    & skf18("9","5","10","6","6","4","1") = "9"
    & skf18("9","5","10","6","6","5","1") = "9"
    & skf18("9","5","10","6","6","6","1") = "9"
    & skf18("9","5","10","6","6","7","1") = "9"
    & skf18("9","5","10","6","6","8","1") = "9"
    & skf18("9","5","10","6","6","9","1") = "9"
    & skf18("9","5","10","6","6","10","1") = "9"
    & skf18("9","5","10","6","7","1","1") = "9"
    & skf18("9","5","10","6","7","2","1") = "9"
    & skf18("9","5","10","6","7","3","1") = "9"
    & skf18("9","5","10","6","7","4","1") = "9"
    & skf18("9","5","10","6","7","5","1") = "9"
    & skf18("9","5","10","6","7","6","1") = "9"
    & skf18("9","5","10","6","7","7","1") = "9"
    & skf18("9","5","10","6","7","8","1") = "9"
    & skf18("9","5","10","6","7","9","1") = "9"
    & skf18("9","5","10","6","7","10","1") = "9"
    & skf18("9","5","10","6","8","1","1") = "9"
    & skf18("9","5","10","6","8","2","1") = "9"
    & skf18("9","5","10","6","8","3","1") = "9"
    & skf18("9","5","10","6","8","4","1") = "9"
    & skf18("9","5","10","6","8","5","1") = "9"
    & skf18("9","5","10","6","8","6","1") = "9"
    & skf18("9","5","10","6","8","7","1") = "9"
    & skf18("9","5","10","6","8","8","1") = "9"
    & skf18("9","5","10","6","8","9","1") = "9"
    & skf18("9","5","10","6","8","10","1") = "9"
    & skf18("9","5","10","6","9","1","1") = "9"
    & skf18("9","5","10","6","9","2","1") = "9"
    & skf18("9","5","10","6","9","3","1") = "9"
    & skf18("9","5","10","6","9","4","1") = "9"
    & skf18("9","5","10","6","9","5","1") = "9"
    & skf18("9","5","10","6","9","6","1") = "9"
    & skf18("9","5","10","6","9","7","1") = "9"
    & skf18("9","5","10","6","9","8","1") = "9"
    & skf18("9","5","10","6","9","9","1") = "9"
    & skf18("9","5","10","6","9","10","1") = "9"
    & skf18("9","5","10","6","10","1","1") = "9"
    & skf18("9","5","10","6","10","2","1") = "9"
    & skf18("9","5","10","6","10","3","1") = "9"
    & skf18("9","5","10","6","10","4","1") = "9"
    & skf18("9","5","10","6","10","5","1") = "9"
    & skf18("9","5","10","6","10","6","1") = "9"
    & skf18("9","5","10","6","10","7","1") = "9"
    & skf18("9","5","10","6","10","8","1") = "9"
    & skf18("9","5","10","6","10","9","1") = "9"
    & skf18("9","5","10","6","10","10","1") = "9"
    & skf18("9","5","10","7","1","1","1") = "9"
    & skf18("9","5","10","7","1","2","1") = "9"
    & skf18("9","5","10","7","1","3","1") = "9"
    & skf18("9","5","10","7","1","4","1") = "9"
    & skf18("9","5","10","7","1","5","1") = "9"
    & skf18("9","5","10","7","1","6","1") = "9"
    & skf18("9","5","10","7","1","7","1") = "9"
    & skf18("9","5","10","7","1","8","1") = "9"
    & skf18("9","5","10","7","1","9","1") = "9"
    & skf18("9","5","10","7","1","10","1") = "9"
    & skf18("9","5","10","7","2","1","1") = "9"
    & skf18("9","5","10","7","2","2","1") = "9"
    & skf18("9","5","10","7","2","3","1") = "9"
    & skf18("9","5","10","7","2","4","1") = "9"
    & skf18("9","5","10","7","2","5","1") = "9"
    & skf18("9","5","10","7","2","6","1") = "9"
    & skf18("9","5","10","7","2","7","1") = "9"
    & skf18("9","5","10","7","2","8","1") = "9"
    & skf18("9","5","10","7","2","9","1") = "9"
    & skf18("9","5","10","7","2","10","1") = "9"
    & skf18("9","5","10","7","3","1","1") = "9"
    & skf18("9","5","10","7","3","2","1") = "9"
    & skf18("9","5","10","7","3","3","1") = "9"
    & skf18("9","5","10","7","3","4","1") = "9"
    & skf18("9","5","10","7","3","5","1") = "9"
    & skf18("9","5","10","7","3","6","1") = "9"
    & skf18("9","5","10","7","3","7","1") = "9"
    & skf18("9","5","10","7","3","8","1") = "9"
    & skf18("9","5","10","7","3","9","1") = "9"
    & skf18("9","5","10","7","3","10","1") = "9"
    & skf18("9","5","10","7","4","1","1") = "9"
    & skf18("9","5","10","7","4","2","1") = "9"
    & skf18("9","5","10","7","4","3","1") = "9"
    & skf18("9","5","10","7","4","4","1") = "9"
    & skf18("9","5","10","7","4","5","1") = "9"
    & skf18("9","5","10","7","4","6","1") = "9"
    & skf18("9","5","10","7","4","7","1") = "9"
    & skf18("9","5","10","7","4","8","1") = "9"
    & skf18("9","5","10","7","4","9","1") = "9"
    & skf18("9","5","10","7","4","10","1") = "9"
    & skf18("9","5","10","7","5","1","1") = "9"
    & skf18("9","5","10","7","5","2","1") = "9"
    & skf18("9","5","10","7","5","3","1") = "9"
    & skf18("9","5","10","7","5","4","1") = "9"
    & skf18("9","5","10","7","5","5","1") = "9"
    & skf18("9","5","10","7","5","6","1") = "9"
    & skf18("9","5","10","7","5","7","1") = "9"
    & skf18("9","5","10","7","5","8","1") = "9"
    & skf18("9","5","10","7","5","9","1") = "9"
    & skf18("9","5","10","7","5","10","1") = "9"
    & skf18("9","5","10","7","6","1","1") = "9"
    & skf18("9","5","10","7","6","2","1") = "9"
    & skf18("9","5","10","7","6","3","1") = "9"
    & skf18("9","5","10","7","6","4","1") = "9"
    & skf18("9","5","10","7","6","5","1") = "9"
    & skf18("9","5","10","7","6","6","1") = "9"
    & skf18("9","5","10","7","6","7","1") = "9"
    & skf18("9","5","10","7","6","8","1") = "9"
    & skf18("9","5","10","7","6","9","1") = "9"
    & skf18("9","5","10","7","6","10","1") = "9"
    & skf18("9","5","10","7","7","1","1") = "9"
    & skf18("9","5","10","7","7","2","1") = "9"
    & skf18("9","5","10","7","7","3","1") = "9"
    & skf18("9","5","10","7","7","4","1") = "9"
    & skf18("9","5","10","7","7","5","1") = "9"
    & skf18("9","5","10","7","7","6","1") = "9"
    & skf18("9","5","10","7","7","7","1") = "9"
    & skf18("9","5","10","7","7","8","1") = "9"
    & skf18("9","5","10","7","7","9","1") = "9"
    & skf18("9","5","10","7","7","10","1") = "9"
    & skf18("9","5","10","7","8","1","1") = "9"
    & skf18("9","5","10","7","8","2","1") = "9"
    & skf18("9","5","10","7","8","3","1") = "9"
    & skf18("9","5","10","7","8","4","1") = "9"
    & skf18("9","5","10","7","8","5","1") = "9"
    & skf18("9","5","10","7","8","6","1") = "9"
    & skf18("9","5","10","7","8","7","1") = "9"
    & skf18("9","5","10","7","8","8","1") = "9"
    & skf18("9","5","10","7","8","9","1") = "9"
    & skf18("9","5","10","7","8","10","1") = "9"
    & skf18("9","5","10","7","9","1","1") = "9"
    & skf18("9","5","10","7","9","2","1") = "9"
    & skf18("9","5","10","7","9","3","1") = "9"
    & skf18("9","5","10","7","9","4","1") = "9"
    & skf18("9","5","10","7","9","5","1") = "9"
    & skf18("9","5","10","7","9","6","1") = "9"
    & skf18("9","5","10","7","9","7","1") = "9"
    & skf18("9","5","10","7","9","8","1") = "9"
    & skf18("9","5","10","7","9","9","1") = "9"
    & skf18("9","5","10","7","9","10","1") = "9"
    & skf18("9","5","10","7","10","1","1") = "9"
    & skf18("9","5","10","7","10","2","1") = "9"
    & skf18("9","5","10","7","10","3","1") = "9"
    & skf18("9","5","10","7","10","4","1") = "9"
    & skf18("9","5","10","7","10","5","1") = "9"
    & skf18("9","5","10","7","10","6","1") = "9"
    & skf18("9","5","10","7","10","7","1") = "9"
    & skf18("9","5","10","7","10","8","1") = "9"
    & skf18("9","5","10","7","10","9","1") = "9"
    & skf18("9","5","10","7","10","10","1") = "9"
    & skf18("9","5","10","8","1","1","1") = "9"
    & skf18("9","5","10","8","1","2","1") = "9"
    & skf18("9","5","10","8","1","3","1") = "9"
    & skf18("9","5","10","8","1","4","1") = "9"
    & skf18("9","5","10","8","1","5","1") = "9"
    & skf18("9","5","10","8","1","6","1") = "9"
    & skf18("9","5","10","8","1","7","1") = "9"
    & skf18("9","5","10","8","1","8","1") = "9"
    & skf18("9","5","10","8","1","9","1") = "9"
    & skf18("9","5","10","8","1","10","1") = "9"
    & skf18("9","5","10","8","2","1","1") = "9"
    & skf18("9","5","10","8","2","2","1") = "9"
    & skf18("9","5","10","8","2","3","1") = "9"
    & skf18("9","5","10","8","2","4","1") = "9"
    & skf18("9","5","10","8","2","5","1") = "9"
    & skf18("9","5","10","8","2","6","1") = "9"
    & skf18("9","5","10","8","2","7","1") = "9"
    & skf18("9","5","10","8","2","8","1") = "9"
    & skf18("9","5","10","8","2","9","1") = "9"
    & skf18("9","5","10","8","2","10","1") = "9"
    & skf18("9","5","10","8","3","1","1") = "9"
    & skf18("9","5","10","8","3","2","1") = "9"
    & skf18("9","5","10","8","3","3","1") = "9"
    & skf18("9","5","10","8","3","4","1") = "9"
    & skf18("9","5","10","8","3","5","1") = "9"
    & skf18("9","5","10","8","3","6","1") = "9"
    & skf18("9","5","10","8","3","7","1") = "9"
    & skf18("9","5","10","8","3","8","1") = "9"
    & skf18("9","5","10","8","3","9","1") = "9"
    & skf18("9","5","10","8","3","10","1") = "9"
    & skf18("9","5","10","8","4","1","1") = "9"
    & skf18("9","5","10","8","4","2","1") = "9"
    & skf18("9","5","10","8","4","3","1") = "9"
    & skf18("9","5","10","8","4","4","1") = "9"
    & skf18("9","5","10","8","4","5","1") = "9"
    & skf18("9","5","10","8","4","6","1") = "9"
    & skf18("9","5","10","8","4","7","1") = "9"
    & skf18("9","5","10","8","4","8","1") = "9"
    & skf18("9","5","10","8","4","9","1") = "9"
    & skf18("9","5","10","8","4","10","1") = "9"
    & skf18("9","5","10","8","5","1","1") = "9"
    & skf18("9","5","10","8","5","2","1") = "9"
    & skf18("9","5","10","8","5","3","1") = "9"
    & skf18("9","5","10","8","5","4","1") = "9"
    & skf18("9","5","10","8","5","5","1") = "9"
    & skf18("9","5","10","8","5","6","1") = "9"
    & skf18("9","5","10","8","5","7","1") = "9"
    & skf18("9","5","10","8","5","8","1") = "9"
    & skf18("9","5","10","8","5","9","1") = "9"
    & skf18("9","5","10","8","5","10","1") = "9"
    & skf18("9","5","10","8","6","1","1") = "9"
    & skf18("9","5","10","8","6","2","1") = "9"
    & skf18("9","5","10","8","6","3","1") = "9"
    & skf18("9","5","10","8","6","4","1") = "9"
    & skf18("9","5","10","8","6","5","1") = "9"
    & skf18("9","5","10","8","6","6","1") = "9"
    & skf18("9","5","10","8","6","7","1") = "9"
    & skf18("9","5","10","8","6","8","1") = "9"
    & skf18("9","5","10","8","6","9","1") = "9"
    & skf18("9","5","10","8","6","10","1") = "9"
    & skf18("9","5","10","8","7","1","1") = "9"
    & skf18("9","5","10","8","7","2","1") = "9"
    & skf18("9","5","10","8","7","3","1") = "9"
    & skf18("9","5","10","8","7","4","1") = "9"
    & skf18("9","5","10","8","7","5","1") = "9"
    & skf18("9","5","10","8","7","6","1") = "9"
    & skf18("9","5","10","8","7","7","1") = "9"
    & skf18("9","5","10","8","7","8","1") = "9"
    & skf18("9","5","10","8","7","9","1") = "9"
    & skf18("9","5","10","8","7","10","1") = "9"
    & skf18("9","5","10","8","8","1","1") = "9"
    & skf18("9","5","10","8","8","2","1") = "9"
    & skf18("9","5","10","8","8","3","1") = "9"
    & skf18("9","5","10","8","8","4","1") = "9"
    & skf18("9","5","10","8","8","5","1") = "9"
    & skf18("9","5","10","8","8","6","1") = "9"
    & skf18("9","5","10","8","8","7","1") = "9"
    & skf18("9","5","10","8","8","8","1") = "9"
    & skf18("9","5","10","8","8","9","1") = "9"
    & skf18("9","5","10","8","8","10","1") = "9"
    & skf18("9","5","10","8","9","1","1") = "9"
    & skf18("9","5","10","8","9","2","1") = "9"
    & skf18("9","5","10","8","9","3","1") = "9"
    & skf18("9","5","10","8","9","4","1") = "9"
    & skf18("9","5","10","8","9","5","1") = "9"
    & skf18("9","5","10","8","9","6","1") = "9"
    & skf18("9","5","10","8","9","7","1") = "9"
    & skf18("9","5","10","8","9","8","1") = "9"
    & skf18("9","5","10","8","9","9","1") = "9"
    & skf18("9","5","10","8","9","10","1") = "9"
    & skf18("9","5","10","8","10","1","1") = "9"
    & skf18("9","5","10","8","10","2","1") = "9"
    & skf18("9","5","10","8","10","3","1") = "9"
    & skf18("9","5","10","8","10","4","1") = "9"
    & skf18("9","5","10","8","10","5","1") = "9"
    & skf18("9","5","10","8","10","6","1") = "9"
    & skf18("9","5","10","8","10","7","1") = "9"
    & skf18("9","5","10","8","10","8","1") = "9"
    & skf18("9","5","10","8","10","9","1") = "9"
    & skf18("9","5","10","8","10","10","1") = "9"
    & skf18("9","5","10","9","1","1","1") = "9"
    & skf18("9","5","10","9","1","2","1") = "9"
    & skf18("9","5","10","9","1","3","1") = "9"
    & skf18("9","5","10","9","1","4","1") = "9"
    & skf18("9","5","10","9","1","5","1") = "9"
    & skf18("9","5","10","9","1","6","1") = "9"
    & skf18("9","5","10","9","1","7","1") = "9"
    & skf18("9","5","10","9","1","8","1") = "9"
    & skf18("9","5","10","9","1","9","1") = "9"
    & skf18("9","5","10","9","1","10","1") = "9"
    & skf18("9","5","10","9","2","1","1") = "9"
    & skf18("9","5","10","9","2","2","1") = "9"
    & skf18("9","5","10","9","2","3","1") = "9"
    & skf18("9","5","10","9","2","4","1") = "9"
    & skf18("9","5","10","9","2","5","1") = "9"
    & skf18("9","5","10","9","2","6","1") = "9"
    & skf18("9","5","10","9","2","7","1") = "9"
    & skf18("9","5","10","9","2","8","1") = "9"
    & skf18("9","5","10","9","2","9","1") = "9"
    & skf18("9","5","10","9","2","10","1") = "9"
    & skf18("9","5","10","9","3","1","1") = "9"
    & skf18("9","5","10","9","3","2","1") = "9"
    & skf18("9","5","10","9","3","3","1") = "9"
    & skf18("9","5","10","9","3","4","1") = "9"
    & skf18("9","5","10","9","3","5","1") = "9"
    & skf18("9","5","10","9","3","6","1") = "9"
    & skf18("9","5","10","9","3","7","1") = "9"
    & skf18("9","5","10","9","3","8","1") = "9"
    & skf18("9","5","10","9","3","9","1") = "9"
    & skf18("9","5","10","9","3","10","1") = "9"
    & skf18("9","5","10","9","4","1","1") = "9"
    & skf18("9","5","10","9","4","2","1") = "9"
    & skf18("9","5","10","9","4","3","1") = "9"
    & skf18("9","5","10","9","4","4","1") = "9"
    & skf18("9","5","10","9","4","5","1") = "9"
    & skf18("9","5","10","9","4","6","1") = "9"
    & skf18("9","5","10","9","4","7","1") = "9"
    & skf18("9","5","10","9","4","8","1") = "9"
    & skf18("9","5","10","9","4","9","1") = "9"
    & skf18("9","5","10","9","4","10","1") = "9"
    & skf18("9","5","10","9","5","1","1") = "9"
    & skf18("9","5","10","9","5","2","1") = "9"
    & skf18("9","5","10","9","5","3","1") = "9"
    & skf18("9","5","10","9","5","4","1") = "9"
    & skf18("9","5","10","9","5","5","1") = "9"
    & skf18("9","5","10","9","5","6","1") = "9"
    & skf18("9","5","10","9","5","7","1") = "9"
    & skf18("9","5","10","9","5","8","1") = "9"
    & skf18("9","5","10","9","5","9","1") = "9"
    & skf18("9","5","10","9","5","10","1") = "9"
    & skf18("9","5","10","9","6","1","1") = "9"
    & skf18("9","5","10","9","6","2","1") = "9"
    & skf18("9","5","10","9","6","3","1") = "9"
    & skf18("9","5","10","9","6","4","1") = "9"
    & skf18("9","5","10","9","6","5","1") = "9"
    & skf18("9","5","10","9","6","6","1") = "9"
    & skf18("9","5","10","9","6","7","1") = "9"
    & skf18("9","5","10","9","6","8","1") = "9"
    & skf18("9","5","10","9","6","9","1") = "9"
    & skf18("9","5","10","9","6","10","1") = "9"
    & skf18("9","5","10","9","7","1","1") = "9"
    & skf18("9","5","10","9","7","2","1") = "9"
    & skf18("9","5","10","9","7","3","1") = "9"
    & skf18("9","5","10","9","7","4","1") = "9"
    & skf18("9","5","10","9","7","5","1") = "9"
    & skf18("9","5","10","9","7","6","1") = "9"
    & skf18("9","5","10","9","7","7","1") = "9"
    & skf18("9","5","10","9","7","8","1") = "9"
    & skf18("9","5","10","9","7","9","1") = "9"
    & skf18("9","5","10","9","7","10","1") = "9"
    & skf18("9","5","10","9","8","1","1") = "9"
    & skf18("9","5","10","9","8","2","1") = "9"
    & skf18("9","5","10","9","8","3","1") = "9"
    & skf18("9","5","10","9","8","4","1") = "9"
    & skf18("9","5","10","9","8","5","1") = "9"
    & skf18("9","5","10","9","8","6","1") = "9"
    & skf18("9","5","10","9","8","7","1") = "9"
    & skf18("9","5","10","9","8","8","1") = "9"
    & skf18("9","5","10","9","8","9","1") = "9"
    & skf18("9","5","10","9","8","10","1") = "9"
    & skf18("9","5","10","9","9","1","1") = "9"
    & skf18("9","5","10","9","9","2","1") = "9"
    & skf18("9","5","10","9","9","3","1") = "9"
    & skf18("9","5","10","9","9","4","1") = "9"
    & skf18("9","5","10","9","9","5","1") = "9"
    & skf18("9","5","10","9","9","6","1") = "9"
    & skf18("9","5","10","9","9","7","1") = "9"
    & skf18("9","5","10","9","9","8","1") = "9"
    & skf18("9","5","10","9","9","9","1") = "9"
    & skf18("9","5","10","9","9","10","1") = "9"
    & skf18("9","5","10","9","10","1","1") = "9"
    & skf18("9","5","10","9","10","2","1") = "9"
    & skf18("9","5","10","9","10","3","1") = "9"
    & skf18("9","5","10","9","10","4","1") = "9"
    & skf18("9","5","10","9","10","5","1") = "9"
    & skf18("9","5","10","9","10","6","1") = "9"
    & skf18("9","5","10","9","10","7","1") = "9"
    & skf18("9","5","10","9","10","8","1") = "9"
    & skf18("9","5","10","9","10","9","1") = "9"
    & skf18("9","5","10","9","10","10","1") = "9"
    & skf18("9","5","10","10","1","1","1") = "9"
    & skf18("9","5","10","10","1","2","1") = "9"
    & skf18("9","5","10","10","1","3","1") = "9"
    & skf18("9","5","10","10","1","4","1") = "9"
    & skf18("9","5","10","10","1","5","1") = "9"
    & skf18("9","5","10","10","1","6","1") = "9"
    & skf18("9","5","10","10","1","7","1") = "9"
    & skf18("9","5","10","10","1","8","1") = "9"
    & skf18("9","5","10","10","1","9","1") = "9"
    & skf18("9","5","10","10","1","10","1") = "9"
    & skf18("9","5","10","10","2","1","1") = "9"
    & skf18("9","5","10","10","2","2","1") = "9"
    & skf18("9","5","10","10","2","3","1") = "9"
    & skf18("9","5","10","10","2","4","1") = "9"
    & skf18("9","5","10","10","2","5","1") = "9"
    & skf18("9","5","10","10","2","6","1") = "9"
    & skf18("9","5","10","10","2","7","1") = "9"
    & skf18("9","5","10","10","2","8","1") = "9"
    & skf18("9","5","10","10","2","9","1") = "9"
    & skf18("9","5","10","10","2","10","1") = "9"
    & skf18("9","5","10","10","3","1","1") = "9"
    & skf18("9","5","10","10","3","2","1") = "9"
    & skf18("9","5","10","10","3","3","1") = "9"
    & skf18("9","5","10","10","3","4","1") = "9"
    & skf18("9","5","10","10","3","5","1") = "9"
    & skf18("9","5","10","10","3","6","1") = "9"
    & skf18("9","5","10","10","3","7","1") = "9"
    & skf18("9","5","10","10","3","8","1") = "9"
    & skf18("9","5","10","10","3","9","1") = "9"
    & skf18("9","5","10","10","3","10","1") = "9"
    & skf18("9","5","10","10","4","1","1") = "9"
    & skf18("9","5","10","10","4","2","1") = "9"
    & skf18("9","5","10","10","4","3","1") = "9"
    & skf18("9","5","10","10","4","4","1") = "9"
    & skf18("9","5","10","10","4","5","1") = "9"
    & skf18("9","5","10","10","4","6","1") = "9"
    & skf18("9","5","10","10","4","7","1") = "9"
    & skf18("9","5","10","10","4","8","1") = "9"
    & skf18("9","5","10","10","4","9","1") = "9"
    & skf18("9","5","10","10","4","10","1") = "9"
    & skf18("9","5","10","10","5","1","1") = "9"
    & skf18("9","5","10","10","5","2","1") = "9"
    & skf18("9","5","10","10","5","3","1") = "9"
    & skf18("9","5","10","10","5","4","1") = "9"
    & skf18("9","5","10","10","5","5","1") = "9"
    & skf18("9","5","10","10","5","6","1") = "9"
    & skf18("9","5","10","10","5","7","1") = "9"
    & skf18("9","5","10","10","5","8","1") = "9"
    & skf18("9","5","10","10","5","9","1") = "9"
    & skf18("9","5","10","10","5","10","1") = "9"
    & skf18("9","5","10","10","6","1","1") = "9"
    & skf18("9","5","10","10","6","2","1") = "9"
    & skf18("9","5","10","10","6","3","1") = "9"
    & skf18("9","5","10","10","6","4","1") = "9"
    & skf18("9","5","10","10","6","5","1") = "9"
    & skf18("9","5","10","10","6","6","1") = "9"
    & skf18("9","5","10","10","6","7","1") = "9"
    & skf18("9","5","10","10","6","8","1") = "9"
    & skf18("9","5","10","10","6","9","1") = "9"
    & skf18("9","5","10","10","6","10","1") = "9"
    & skf18("9","5","10","10","7","1","1") = "9"
    & skf18("9","5","10","10","7","2","1") = "9"
    & skf18("9","5","10","10","7","3","1") = "9"
    & skf18("9","5","10","10","7","4","1") = "9"
    & skf18("9","5","10","10","7","5","1") = "9"
    & skf18("9","5","10","10","7","6","1") = "9"
    & skf18("9","5","10","10","7","7","1") = "9"
    & skf18("9","5","10","10","7","8","1") = "9"
    & skf18("9","5","10","10","7","9","1") = "9"
    & skf18("9","5","10","10","7","10","1") = "9"
    & skf18("9","5","10","10","8","1","1") = "9"
    & skf18("9","5","10","10","8","2","1") = "9"
    & skf18("9","5","10","10","8","3","1") = "9"
    & skf18("9","5","10","10","8","4","1") = "9"
    & skf18("9","5","10","10","8","5","1") = "9"
    & skf18("9","5","10","10","8","6","1") = "9"
    & skf18("9","5","10","10","8","7","1") = "9"
    & skf18("9","5","10","10","8","8","1") = "9"
    & skf18("9","5","10","10","8","9","1") = "9"
    & skf18("9","5","10","10","8","10","1") = "9"
    & skf18("9","5","10","10","9","1","1") = "9"
    & skf18("9","5","10","10","9","2","1") = "9"
    & skf18("9","5","10","10","9","3","1") = "9"
    & skf18("9","5","10","10","9","4","1") = "9"
    & skf18("9","5","10","10","9","5","1") = "9"
    & skf18("9","5","10","10","9","6","1") = "9"
    & skf18("9","5","10","10","9","7","1") = "9"
    & skf18("9","5","10","10","9","8","1") = "9"
    & skf18("9","5","10","10","9","9","1") = "9"
    & skf18("9","5","10","10","9","10","1") = "9"
    & skf18("9","5","10","10","10","1","1") = "9"
    & skf18("9","5","10","10","10","2","1") = "9"
    & skf18("9","5","10","10","10","3","1") = "9"
    & skf18("9","5","10","10","10","4","1") = "9"
    & skf18("9","5","10","10","10","5","1") = "9"
    & skf18("9","5","10","10","10","6","1") = "9"
    & skf18("9","5","10","10","10","7","1") = "9"
    & skf18("9","5","10","10","10","8","1") = "9"
    & skf18("9","5","10","10","10","9","1") = "9"
    & skf18("9","5","10","10","10","10","1") = "9"
    & skf18("9","6","1","1","1","1","1") = "8"
    & skf18("9","6","1","1","1","2","1") = "8"
    & skf18("9","6","1","1","1","3","1") = "8"
    & skf18("9","6","1","1","1","4","1") = "8"
    & skf18("9","6","1","1","1","5","1") = "8"
    & skf18("9","6","1","1","1","6","1") = "8"
    & skf18("9","6","1","1","1","7","1") = "8"
    & skf18("9","6","1","1","1","8","1") = "8"
    & skf18("9","6","1","1","1","9","1") = "8"
    & skf18("9","6","1","1","1","10","1") = "9"
    & skf18("9","6","1","1","2","1","1") = "8"
    & skf18("9","6","1","1","2","2","1") = "8"
    & skf18("9","6","1","1","2","3","1") = "8"
    & skf18("9","6","1","1","2","4","1") = "8"
    & skf18("9","6","1","1","2","5","1") = "8"
    & skf18("9","6","1","1","2","6","1") = "8"
    & skf18("9","6","1","1","2","7","1") = "8"
    & skf18("9","6","1","1","2","8","1") = "8"
    & skf18("9","6","1","1","2","9","1") = "8"
    & skf18("9","6","1","1","2","10","1") = "9"
    & skf18("9","6","1","1","3","1","1") = "8"
    & skf18("9","6","1","1","3","2","1") = "8"
    & skf18("9","6","1","1","3","3","1") = "8"
    & skf18("9","6","1","1","3","4","1") = "8"
    & skf18("9","6","1","1","3","5","1") = "8"
    & skf18("9","6","1","1","3","6","1") = "8"
    & skf18("9","6","1","1","3","7","1") = "8"
    & skf18("9","6","1","1","3","8","1") = "8"
    & skf18("9","6","1","1","3","9","1") = "8"
    & skf18("9","6","1","1","3","10","1") = "9"
    & skf18("9","6","1","1","4","1","1") = "8"
    & skf18("9","6","1","1","4","2","1") = "8"
    & skf18("9","6","1","1","4","3","1") = "8"
    & skf18("9","6","1","1","4","4","1") = "8"
    & skf18("9","6","1","1","4","5","1") = "8"
    & skf18("9","6","1","1","4","6","1") = "8"
    & skf18("9","6","1","1","4","7","1") = "8"
    & skf18("9","6","1","1","4","8","1") = "8"
    & skf18("9","6","1","1","4","9","1") = "8"
    & skf18("9","6","1","1","4","10","1") = "9"
    & skf18("9","6","1","1","5","1","1") = "8"
    & skf18("9","6","1","1","5","2","1") = "8"
    & skf18("9","6","1","1","5","3","1") = "8"
    & skf18("9","6","1","1","5","4","1") = "8"
    & skf18("9","6","1","1","5","5","1") = "8"
    & skf18("9","6","1","1","5","6","1") = "8"
    & skf18("9","6","1","1","5","7","1") = "8"
    & skf18("9","6","1","1","5","8","1") = "8"
    & skf18("9","6","1","1","5","9","1") = "8"
    & skf18("9","6","1","1","5","10","1") = "9"
    & skf18("9","6","1","1","6","1","1") = "8"
    & skf18("9","6","1","1","6","2","1") = "8"
    & skf18("9","6","1","1","6","3","1") = "8"
    & skf18("9","6","1","1","6","4","1") = "8"
    & skf18("9","6","1","1","6","5","1") = "8"
    & skf18("9","6","1","1","6","6","1") = "8"
    & skf18("9","6","1","1","6","7","1") = "8"
    & skf18("9","6","1","1","6","8","1") = "8"
    & skf18("9","6","1","1","6","9","1") = "8"
    & skf18("9","6","1","1","6","10","1") = "9"
    & skf18("9","6","1","1","7","1","1") = "8"
    & skf18("9","6","1","1","7","2","1") = "8"
    & skf18("9","6","1","1","7","3","1") = "8"
    & skf18("9","6","1","1","7","4","1") = "8"
    & skf18("9","6","1","1","7","5","1") = "8"
    & skf18("9","6","1","1","7","6","1") = "8"
    & skf18("9","6","1","1","7","7","1") = "8"
    & skf18("9","6","1","1","7","8","1") = "8"
    & skf18("9","6","1","1","7","9","1") = "8"
    & skf18("9","6","1","1","7","10","1") = "9"
    & skf18("9","6","1","1","8","1","1") = "8"
    & skf18("9","6","1","1","8","2","1") = "8"
    & skf18("9","6","1","1","8","3","1") = "8"
    & skf18("9","6","1","1","8","4","1") = "8"
    & skf18("9","6","1","1","8","5","1") = "8"
    & skf18("9","6","1","1","8","6","1") = "8"
    & skf18("9","6","1","1","8","7","1") = "8"
    & skf18("9","6","1","1","8","8","1") = "8"
    & skf18("9","6","1","1","8","9","1") = "8"
    & skf18("9","6","1","1","8","10","1") = "9"
    & skf18("9","6","1","1","9","1","1") = "8"
    & skf18("9","6","1","1","9","2","1") = "8"
    & skf18("9","6","1","1","9","3","1") = "8"
    & skf18("9","6","1","1","9","4","1") = "8"
    & skf18("9","6","1","1","9","5","1") = "8"
    & skf18("9","6","1","1","9","6","1") = "8"
    & skf18("9","6","1","1","9","7","1") = "8"
    & skf18("9","6","1","1","9","8","1") = "8"
    & skf18("9","6","1","1","9","9","1") = "8"
    & skf18("9","6","1","1","9","10","1") = "9"
    & skf18("9","6","1","1","10","1","1") = "9"
    & skf18("9","6","1","1","10","2","1") = "9"
    & skf18("9","6","1","1","10","3","1") = "9"
    & skf18("9","6","1","1","10","4","1") = "9"
    & skf18("9","6","1","1","10","5","1") = "9"
    & skf18("9","6","1","1","10","6","1") = "9"
    & skf18("9","6","1","1","10","7","1") = "9"
    & skf18("9","6","1","1","10","8","1") = "9"
    & skf18("9","6","1","1","10","9","1") = "9"
    & skf18("9","6","1","1","10","10","1") = "9"
    & skf18("9","6","1","2","1","1","1") = "8"
    & skf18("9","6","1","2","1","2","1") = "8"
    & skf18("9","6","1","2","1","3","1") = "8"
    & skf18("9","6","1","2","1","4","1") = "8"
    & skf18("9","6","1","2","1","5","1") = "8"
    & skf18("9","6","1","2","1","6","1") = "8"
    & skf18("9","6","1","2","1","7","1") = "8"
    & skf18("9","6","1","2","1","8","1") = "8"
    & skf18("9","6","1","2","1","9","1") = "8"
    & skf18("9","6","1","2","1","10","1") = "9"
    & skf18("9","6","1","2","2","1","1") = "8"
    & skf18("9","6","1","2","2","2","1") = "8"
    & skf18("9","6","1","2","2","3","1") = "8"
    & skf18("9","6","1","2","2","4","1") = "8"
    & skf18("9","6","1","2","2","5","1") = "8"
    & skf18("9","6","1","2","2","6","1") = "8"
    & skf18("9","6","1","2","2","7","1") = "8"
    & skf18("9","6","1","2","2","8","1") = "8"
    & skf18("9","6","1","2","2","9","1") = "8"
    & skf18("9","6","1","2","2","10","1") = "9"
    & skf18("9","6","1","2","3","1","1") = "8"
    & skf18("9","6","1","2","3","2","1") = "8"
    & skf18("9","6","1","2","3","3","1") = "8"
    & skf18("9","6","1","2","3","4","1") = "8"
    & skf18("9","6","1","2","3","5","1") = "8"
    & skf18("9","6","1","2","3","6","1") = "8"
    & skf18("9","6","1","2","3","7","1") = "8"
    & skf18("9","6","1","2","3","8","1") = "8"
    & skf18("9","6","1","2","3","9","1") = "8"
    & skf18("9","6","1","2","3","10","1") = "9"
    & skf18("9","6","1","2","4","1","1") = "8"
    & skf18("9","6","1","2","4","2","1") = "8"
    & skf18("9","6","1","2","4","3","1") = "8"
    & skf18("9","6","1","2","4","4","1") = "8"
    & skf18("9","6","1","2","4","5","1") = "8"
    & skf18("9","6","1","2","4","6","1") = "8"
    & skf18("9","6","1","2","4","7","1") = "8"
    & skf18("9","6","1","2","4","8","1") = "8"
    & skf18("9","6","1","2","4","9","1") = "8"
    & skf18("9","6","1","2","4","10","1") = "9"
    & skf18("9","6","1","2","5","1","1") = "8"
    & skf18("9","6","1","2","5","2","1") = "8"
    & skf18("9","6","1","2","5","3","1") = "8"
    & skf18("9","6","1","2","5","4","1") = "8"
    & skf18("9","6","1","2","5","5","1") = "8"
    & skf18("9","6","1","2","5","6","1") = "8"
    & skf18("9","6","1","2","5","7","1") = "8"
    & skf18("9","6","1","2","5","8","1") = "8"
    & skf18("9","6","1","2","5","9","1") = "8"
    & skf18("9","6","1","2","5","10","1") = "9"
    & skf18("9","6","1","2","6","1","1") = "8"
    & skf18("9","6","1","2","6","2","1") = "8"
    & skf18("9","6","1","2","6","3","1") = "8"
    & skf18("9","6","1","2","6","4","1") = "8"
    & skf18("9","6","1","2","6","5","1") = "8"
    & skf18("9","6","1","2","6","6","1") = "8"
    & skf18("9","6","1","2","6","7","1") = "8"
    & skf18("9","6","1","2","6","8","1") = "8"
    & skf18("9","6","1","2","6","9","1") = "8"
    & skf18("9","6","1","2","6","10","1") = "9"
    & skf18("9","6","1","2","7","1","1") = "8"
    & skf18("9","6","1","2","7","2","1") = "8"
    & skf18("9","6","1","2","7","3","1") = "8"
    & skf18("9","6","1","2","7","4","1") = "8"
    & skf18("9","6","1","2","7","5","1") = "8"
    & skf18("9","6","1","2","7","6","1") = "8"
    & skf18("9","6","1","2","7","7","1") = "8"
    & skf18("9","6","1","2","7","8","1") = "8"
    & skf18("9","6","1","2","7","9","1") = "8"
    & skf18("9","6","1","2","7","10","1") = "9"
    & skf18("9","6","1","2","8","1","1") = "8"
    & skf18("9","6","1","2","8","2","1") = "8"
    & skf18("9","6","1","2","8","3","1") = "8"
    & skf18("9","6","1","2","8","4","1") = "8"
    & skf18("9","6","1","2","8","5","1") = "8"
    & skf18("9","6","1","2","8","6","1") = "8"
    & skf18("9","6","1","2","8","7","1") = "8"
    & skf18("9","6","1","2","8","8","1") = "8"
    & skf18("9","6","1","2","8","9","1") = "8"
    & skf18("9","6","1","2","8","10","1") = "9"
    & skf18("9","6","1","2","9","1","1") = "8"
    & skf18("9","6","1","2","9","2","1") = "8"
    & skf18("9","6","1","2","9","3","1") = "8"
    & skf18("9","6","1","2","9","4","1") = "8"
    & skf18("9","6","1","2","9","5","1") = "8"
    & skf18("9","6","1","2","9","6","1") = "8"
    & skf18("9","6","1","2","9","7","1") = "8"
    & skf18("9","6","1","2","9","8","1") = "8"
    & skf18("9","6","1","2","9","9","1") = "8"
    & skf18("9","6","1","2","9","10","1") = "9"
    & skf18("9","6","1","2","10","1","1") = "9"
    & skf18("9","6","1","2","10","2","1") = "9"
    & skf18("9","6","1","2","10","3","1") = "9"
    & skf18("9","6","1","2","10","4","1") = "9"
    & skf18("9","6","1","2","10","5","1") = "9"
    & skf18("9","6","1","2","10","6","1") = "9"
    & skf18("9","6","1","2","10","7","1") = "9"
    & skf18("9","6","1","2","10","8","1") = "9"
    & skf18("9","6","1","2","10","9","1") = "9"
    & skf18("9","6","1","2","10","10","1") = "9"
    & skf18("9","6","1","3","1","1","1") = "8"
    & skf18("9","6","1","3","1","2","1") = "8"
    & skf18("9","6","1","3","1","3","1") = "8"
    & skf18("9","6","1","3","1","4","1") = "8"
    & skf18("9","6","1","3","1","5","1") = "8"
    & skf18("9","6","1","3","1","6","1") = "8"
    & skf18("9","6","1","3","1","7","1") = "8"
    & skf18("9","6","1","3","1","8","1") = "8"
    & skf18("9","6","1","3","1","9","1") = "8"
    & skf18("9","6","1","3","1","10","1") = "9"
    & skf18("9","6","1","3","2","1","1") = "8"
    & skf18("9","6","1","3","2","2","1") = "8"
    & skf18("9","6","1","3","2","3","1") = "8"
    & skf18("9","6","1","3","2","4","1") = "8"
    & skf18("9","6","1","3","2","5","1") = "8"
    & skf18("9","6","1","3","2","6","1") = "8"
    & skf18("9","6","1","3","2","7","1") = "8"
    & skf18("9","6","1","3","2","8","1") = "8"
    & skf18("9","6","1","3","2","9","1") = "8"
    & skf18("9","6","1","3","2","10","1") = "9"
    & skf18("9","6","1","3","3","1","1") = "8"
    & skf18("9","6","1","3","3","2","1") = "8"
    & skf18("9","6","1","3","3","3","1") = "8"
    & skf18("9","6","1","3","3","4","1") = "8"
    & skf18("9","6","1","3","3","5","1") = "8"
    & skf18("9","6","1","3","3","6","1") = "8"
    & skf18("9","6","1","3","3","7","1") = "8"
    & skf18("9","6","1","3","3","8","1") = "8"
    & skf18("9","6","1","3","3","9","1") = "8"
    & skf18("9","6","1","3","3","10","1") = "9"
    & skf18("9","6","1","3","4","1","1") = "8"
    & skf18("9","6","1","3","4","2","1") = "8"
    & skf18("9","6","1","3","4","3","1") = "8"
    & skf18("9","6","1","3","4","4","1") = "8"
    & skf18("9","6","1","3","4","5","1") = "8"
    & skf18("9","6","1","3","4","6","1") = "8"
    & skf18("9","6","1","3","4","7","1") = "8"
    & skf18("9","6","1","3","4","8","1") = "8"
    & skf18("9","6","1","3","4","9","1") = "8"
    & skf18("9","6","1","3","4","10","1") = "9"
    & skf18("9","6","1","3","5","1","1") = "8"
    & skf18("9","6","1","3","5","2","1") = "8"
    & skf18("9","6","1","3","5","3","1") = "8"
    & skf18("9","6","1","3","5","4","1") = "8"
    & skf18("9","6","1","3","5","5","1") = "8"
    & skf18("9","6","1","3","5","6","1") = "8"
    & skf18("9","6","1","3","5","7","1") = "8"
    & skf18("9","6","1","3","5","8","1") = "8"
    & skf18("9","6","1","3","5","9","1") = "8"
    & skf18("9","6","1","3","5","10","1") = "9"
    & skf18("9","6","1","3","6","1","1") = "8"
    & skf18("9","6","1","3","6","2","1") = "8"
    & skf18("9","6","1","3","6","3","1") = "8"
    & skf18("9","6","1","3","6","4","1") = "8"
    & skf18("9","6","1","3","6","5","1") = "8"
    & skf18("9","6","1","3","6","6","1") = "8"
    & skf18("9","6","1","3","6","7","1") = "8"
    & skf18("9","6","1","3","6","8","1") = "8"
    & skf18("9","6","1","3","6","9","1") = "8"
    & skf18("9","6","1","3","6","10","1") = "9"
    & skf18("9","6","1","3","7","1","1") = "8"
    & skf18("9","6","1","3","7","2","1") = "8"
    & skf18("9","6","1","3","7","3","1") = "8"
    & skf18("9","6","1","3","7","4","1") = "8"
    & skf18("9","6","1","3","7","5","1") = "8"
    & skf18("9","6","1","3","7","6","1") = "8"
    & skf18("9","6","1","3","7","7","1") = "8"
    & skf18("9","6","1","3","7","8","1") = "8"
    & skf18("9","6","1","3","7","9","1") = "8"
    & skf18("9","6","1","3","7","10","1") = "9"
    & skf18("9","6","1","3","8","1","1") = "8"
    & skf18("9","6","1","3","8","2","1") = "8"
    & skf18("9","6","1","3","8","3","1") = "8"
    & skf18("9","6","1","3","8","4","1") = "8"
    & skf18("9","6","1","3","8","5","1") = "8"
    & skf18("9","6","1","3","8","6","1") = "8"
    & skf18("9","6","1","3","8","7","1") = "8"
    & skf18("9","6","1","3","8","8","1") = "8"
    & skf18("9","6","1","3","8","9","1") = "8"
    & skf18("9","6","1","3","8","10","1") = "9"
    & skf18("9","6","1","3","9","1","1") = "8"
    & skf18("9","6","1","3","9","2","1") = "8"
    & skf18("9","6","1","3","9","3","1") = "8"
    & skf18("9","6","1","3","9","4","1") = "8"
    & skf18("9","6","1","3","9","5","1") = "8"
    & skf18("9","6","1","3","9","6","1") = "8"
    & skf18("9","6","1","3","9","7","1") = "8"
    & skf18("9","6","1","3","9","8","1") = "8"
    & skf18("9","6","1","3","9","9","1") = "8"
    & skf18("9","6","1","3","9","10","1") = "9"
    & skf18("9","6","1","3","10","1","1") = "9"
    & skf18("9","6","1","3","10","2","1") = "9"
    & skf18("9","6","1","3","10","3","1") = "9"
    & skf18("9","6","1","3","10","4","1") = "9"
    & skf18("9","6","1","3","10","5","1") = "9"
    & skf18("9","6","1","3","10","6","1") = "9"
    & skf18("9","6","1","3","10","7","1") = "9"
    & skf18("9","6","1","3","10","8","1") = "9"
    & skf18("9","6","1","3","10","9","1") = "9"
    & skf18("9","6","1","3","10","10","1") = "9"
    & skf18("9","6","1","4","1","1","1") = "8"
    & skf18("9","6","1","4","1","2","1") = "8"
    & skf18("9","6","1","4","1","3","1") = "8"
    & skf18("9","6","1","4","1","4","1") = "8"
    & skf18("9","6","1","4","1","5","1") = "8"
    & skf18("9","6","1","4","1","6","1") = "8"
    & skf18("9","6","1","4","1","7","1") = "8"
    & skf18("9","6","1","4","1","8","1") = "8"
    & skf18("9","6","1","4","1","9","1") = "8"
    & skf18("9","6","1","4","1","10","1") = "9"
    & skf18("9","6","1","4","2","1","1") = "8"
    & skf18("9","6","1","4","2","2","1") = "8"
    & skf18("9","6","1","4","2","3","1") = "8"
    & skf18("9","6","1","4","2","4","1") = "8"
    & skf18("9","6","1","4","2","5","1") = "8"
    & skf18("9","6","1","4","2","6","1") = "8"
    & skf18("9","6","1","4","2","7","1") = "8"
    & skf18("9","6","1","4","2","8","1") = "8"
    & skf18("9","6","1","4","2","9","1") = "8"
    & skf18("9","6","1","4","2","10","1") = "9"
    & skf18("9","6","1","4","3","1","1") = "8"
    & skf18("9","6","1","4","3","2","1") = "8"
    & skf18("9","6","1","4","3","3","1") = "8"
    & skf18("9","6","1","4","3","4","1") = "8"
    & skf18("9","6","1","4","3","5","1") = "8"
    & skf18("9","6","1","4","3","6","1") = "8"
    & skf18("9","6","1","4","3","7","1") = "8"
    & skf18("9","6","1","4","3","8","1") = "8"
    & skf18("9","6","1","4","3","9","1") = "8"
    & skf18("9","6","1","4","3","10","1") = "9"
    & skf18("9","6","1","4","4","1","1") = "8"
    & skf18("9","6","1","4","4","2","1") = "8"
    & skf18("9","6","1","4","4","3","1") = "8"
    & skf18("9","6","1","4","4","4","1") = "8"
    & skf18("9","6","1","4","4","5","1") = "8"
    & skf18("9","6","1","4","4","6","1") = "8"
    & skf18("9","6","1","4","4","7","1") = "8"
    & skf18("9","6","1","4","4","8","1") = "8"
    & skf18("9","6","1","4","4","9","1") = "8"
    & skf18("9","6","1","4","4","10","1") = "9"
    & skf18("9","6","1","4","5","1","1") = "8"
    & skf18("9","6","1","4","5","2","1") = "8"
    & skf18("9","6","1","4","5","3","1") = "8"
    & skf18("9","6","1","4","5","4","1") = "8"
    & skf18("9","6","1","4","5","5","1") = "8"
    & skf18("9","6","1","4","5","6","1") = "8"
    & skf18("9","6","1","4","5","7","1") = "8"
    & skf18("9","6","1","4","5","8","1") = "8"
    & skf18("9","6","1","4","5","9","1") = "8"
    & skf18("9","6","1","4","5","10","1") = "9"
    & skf18("9","6","1","4","6","1","1") = "8"
    & skf18("9","6","1","4","6","2","1") = "8"
    & skf18("9","6","1","4","6","3","1") = "8"
    & skf18("9","6","1","4","6","4","1") = "8"
    & skf18("9","6","1","4","6","5","1") = "8"
    & skf18("9","6","1","4","6","6","1") = "8"
    & skf18("9","6","1","4","6","7","1") = "8"
    & skf18("9","6","1","4","6","8","1") = "8"
    & skf18("9","6","1","4","6","9","1") = "8"
    & skf18("9","6","1","4","6","10","1") = "9"
    & skf18("9","6","1","4","7","1","1") = "8"
    & skf18("9","6","1","4","7","2","1") = "8"
    & skf18("9","6","1","4","7","3","1") = "8"
    & skf18("9","6","1","4","7","4","1") = "8"
    & skf18("9","6","1","4","7","5","1") = "8"
    & skf18("9","6","1","4","7","6","1") = "8"
    & skf18("9","6","1","4","7","7","1") = "8"
    & skf18("9","6","1","4","7","8","1") = "8"
    & skf18("9","6","1","4","7","9","1") = "8"
    & skf18("9","6","1","4","7","10","1") = "9"
    & skf18("9","6","1","4","8","1","1") = "8"
    & skf18("9","6","1","4","8","2","1") = "8"
    & skf18("9","6","1","4","8","3","1") = "8"
    & skf18("9","6","1","4","8","4","1") = "8"
    & skf18("9","6","1","4","8","5","1") = "8"
    & skf18("9","6","1","4","8","6","1") = "8"
    & skf18("9","6","1","4","8","7","1") = "8"
    & skf18("9","6","1","4","8","8","1") = "8"
    & skf18("9","6","1","4","8","9","1") = "8"
    & skf18("9","6","1","4","8","10","1") = "9"
    & skf18("9","6","1","4","9","1","1") = "8"
    & skf18("9","6","1","4","9","2","1") = "8"
    & skf18("9","6","1","4","9","3","1") = "8"
    & skf18("9","6","1","4","9","4","1") = "8"
    & skf18("9","6","1","4","9","5","1") = "8"
    & skf18("9","6","1","4","9","6","1") = "8"
    & skf18("9","6","1","4","9","7","1") = "8"
    & skf18("9","6","1","4","9","8","1") = "8"
    & skf18("9","6","1","4","9","9","1") = "8"
    & skf18("9","6","1","4","9","10","1") = "9"
    & skf18("9","6","1","4","10","1","1") = "9"
    & skf18("9","6","1","4","10","2","1") = "9"
    & skf18("9","6","1","4","10","3","1") = "9"
    & skf18("9","6","1","4","10","4","1") = "9"
    & skf18("9","6","1","4","10","5","1") = "9"
    & skf18("9","6","1","4","10","6","1") = "9"
    & skf18("9","6","1","4","10","7","1") = "9"
    & skf18("9","6","1","4","10","8","1") = "9"
    & skf18("9","6","1","4","10","9","1") = "9"
    & skf18("9","6","1","4","10","10","1") = "9"
    & skf18("9","6","1","5","1","1","1") = "8"
    & skf18("9","6","1","5","1","2","1") = "8"
    & skf18("9","6","1","5","1","3","1") = "8"
    & skf18("9","6","1","5","1","4","1") = "8"
    & skf18("9","6","1","5","1","5","1") = "8"
    & skf18("9","6","1","5","1","6","1") = "8"
    & skf18("9","6","1","5","1","7","1") = "8"
    & skf18("9","6","1","5","1","8","1") = "8"
    & skf18("9","6","1","5","1","9","1") = "8"
    & skf18("9","6","1","5","1","10","1") = "9"
    & skf18("9","6","1","5","2","1","1") = "8"
    & skf18("9","6","1","5","2","2","1") = "8"
    & skf18("9","6","1","5","2","3","1") = "8"
    & skf18("9","6","1","5","2","4","1") = "8"
    & skf18("9","6","1","5","2","5","1") = "8"
    & skf18("9","6","1","5","2","6","1") = "8"
    & skf18("9","6","1","5","2","7","1") = "8"
    & skf18("9","6","1","5","2","8","1") = "8"
    & skf18("9","6","1","5","2","9","1") = "8"
    & skf18("9","6","1","5","2","10","1") = "9"
    & skf18("9","6","1","5","3","1","1") = "8"
    & skf18("9","6","1","5","3","2","1") = "8"
    & skf18("9","6","1","5","3","3","1") = "8"
    & skf18("9","6","1","5","3","4","1") = "8"
    & skf18("9","6","1","5","3","5","1") = "8"
    & skf18("9","6","1","5","3","6","1") = "8"
    & skf18("9","6","1","5","3","7","1") = "8"
    & skf18("9","6","1","5","3","8","1") = "8"
    & skf18("9","6","1","5","3","9","1") = "8"
    & skf18("9","6","1","5","3","10","1") = "9"
    & skf18("9","6","1","5","4","1","1") = "8"
    & skf18("9","6","1","5","4","2","1") = "8"
    & skf18("9","6","1","5","4","3","1") = "8"
    & skf18("9","6","1","5","4","4","1") = "8"
    & skf18("9","6","1","5","4","5","1") = "8"
    & skf18("9","6","1","5","4","6","1") = "8"
    & skf18("9","6","1","5","4","7","1") = "8"
    & skf18("9","6","1","5","4","8","1") = "8"
    & skf18("9","6","1","5","4","9","1") = "8"
    & skf18("9","6","1","5","4","10","1") = "9"
    & skf18("9","6","1","5","5","1","1") = "8"
    & skf18("9","6","1","5","5","2","1") = "8"
    & skf18("9","6","1","5","5","3","1") = "8"
    & skf18("9","6","1","5","5","4","1") = "8"
    & skf18("9","6","1","5","5","5","1") = "8"
    & skf18("9","6","1","5","5","6","1") = "8"
    & skf18("9","6","1","5","5","7","1") = "8"
    & skf18("9","6","1","5","5","8","1") = "8"
    & skf18("9","6","1","5","5","9","1") = "8"
    & skf18("9","6","1","5","5","10","1") = "9"
    & skf18("9","6","1","5","6","1","1") = "8"
    & skf18("9","6","1","5","6","2","1") = "8"
    & skf18("9","6","1","5","6","3","1") = "8"
    & skf18("9","6","1","5","6","4","1") = "8"
    & skf18("9","6","1","5","6","5","1") = "8"
    & skf18("9","6","1","5","6","6","1") = "8"
    & skf18("9","6","1","5","6","7","1") = "8"
    & skf18("9","6","1","5","6","8","1") = "8"
    & skf18("9","6","1","5","6","9","1") = "8"
    & skf18("9","6","1","5","6","10","1") = "9"
    & skf18("9","6","1","5","7","1","1") = "8"
    & skf18("9","6","1","5","7","2","1") = "8"
    & skf18("9","6","1","5","7","3","1") = "8"
    & skf18("9","6","1","5","7","4","1") = "8"
    & skf18("9","6","1","5","7","5","1") = "8"
    & skf18("9","6","1","5","7","6","1") = "8"
    & skf18("9","6","1","5","7","7","1") = "8"
    & skf18("9","6","1","5","7","8","1") = "8"
    & skf18("9","6","1","5","7","9","1") = "8"
    & skf18("9","6","1","5","7","10","1") = "9"
    & skf18("9","6","1","5","8","1","1") = "8"
    & skf18("9","6","1","5","8","2","1") = "8"
    & skf18("9","6","1","5","8","3","1") = "8"
    & skf18("9","6","1","5","8","4","1") = "8"
    & skf18("9","6","1","5","8","5","1") = "8"
    & skf18("9","6","1","5","8","6","1") = "8"
    & skf18("9","6","1","5","8","7","1") = "8"
    & skf18("9","6","1","5","8","8","1") = "8"
    & skf18("9","6","1","5","8","9","1") = "8"
    & skf18("9","6","1","5","8","10","1") = "9"
    & skf18("9","6","1","5","9","1","1") = "8"
    & skf18("9","6","1","5","9","2","1") = "8"
    & skf18("9","6","1","5","9","3","1") = "8"
    & skf18("9","6","1","5","9","4","1") = "8"
    & skf18("9","6","1","5","9","5","1") = "8"
    & skf18("9","6","1","5","9","6","1") = "8"
    & skf18("9","6","1","5","9","7","1") = "8"
    & skf18("9","6","1","5","9","8","1") = "8"
    & skf18("9","6","1","5","9","9","1") = "8"
    & skf18("9","6","1","5","9","10","1") = "9"
    & skf18("9","6","1","5","10","1","1") = "9"
    & skf18("9","6","1","5","10","2","1") = "9"
    & skf18("9","6","1","5","10","3","1") = "9"
    & skf18("9","6","1","5","10","4","1") = "9"
    & skf18("9","6","1","5","10","5","1") = "9"
    & skf18("9","6","1","5","10","6","1") = "9"
    & skf18("9","6","1","5","10","7","1") = "9"
    & skf18("9","6","1","5","10","8","1") = "9"
    & skf18("9","6","1","5","10","9","1") = "9"
    & skf18("9","6","1","5","10","10","1") = "9"
    & skf18("9","6","1","6","1","1","1") = "8"
    & skf18("9","6","1","6","1","2","1") = "8"
    & skf18("9","6","1","6","1","3","1") = "8"
    & skf18("9","6","1","6","1","4","1") = "8"
    & skf18("9","6","1","6","1","5","1") = "8"
    & skf18("9","6","1","6","1","6","1") = "8"
    & skf18("9","6","1","6","1","7","1") = "8"
    & skf18("9","6","1","6","1","8","1") = "8"
    & skf18("9","6","1","6","1","9","1") = "8"
    & skf18("9","6","1","6","1","10","1") = "9"
    & skf18("9","6","1","6","2","1","1") = "8"
    & skf18("9","6","1","6","2","2","1") = "8"
    & skf18("9","6","1","6","2","3","1") = "8"
    & skf18("9","6","1","6","2","4","1") = "8"
    & skf18("9","6","1","6","2","5","1") = "8"
    & skf18("9","6","1","6","2","6","1") = "8"
    & skf18("9","6","1","6","2","7","1") = "8"
    & skf18("9","6","1","6","2","8","1") = "8"
    & skf18("9","6","1","6","2","9","1") = "8"
    & skf18("9","6","1","6","2","10","1") = "9"
    & skf18("9","6","1","6","3","1","1") = "8"
    & skf18("9","6","1","6","3","2","1") = "8"
    & skf18("9","6","1","6","3","3","1") = "8"
    & skf18("9","6","1","6","3","4","1") = "8"
    & skf18("9","6","1","6","3","5","1") = "8"
    & skf18("9","6","1","6","3","6","1") = "8"
    & skf18("9","6","1","6","3","7","1") = "8"
    & skf18("9","6","1","6","3","8","1") = "8"
    & skf18("9","6","1","6","3","9","1") = "8"
    & skf18("9","6","1","6","3","10","1") = "9"
    & skf18("9","6","1","6","4","1","1") = "8"
    & skf18("9","6","1","6","4","2","1") = "8"
    & skf18("9","6","1","6","4","3","1") = "8"
    & skf18("9","6","1","6","4","4","1") = "8"
    & skf18("9","6","1","6","4","5","1") = "8"
    & skf18("9","6","1","6","4","6","1") = "8"
    & skf18("9","6","1","6","4","7","1") = "8"
    & skf18("9","6","1","6","4","8","1") = "8"
    & skf18("9","6","1","6","4","9","1") = "8"
    & skf18("9","6","1","6","4","10","1") = "9"
    & skf18("9","6","1","6","5","1","1") = "8"
    & skf18("9","6","1","6","5","2","1") = "8"
    & skf18("9","6","1","6","5","3","1") = "8"
    & skf18("9","6","1","6","5","4","1") = "8"
    & skf18("9","6","1","6","5","5","1") = "8"
    & skf18("9","6","1","6","5","6","1") = "8"
    & skf18("9","6","1","6","5","7","1") = "8"
    & skf18("9","6","1","6","5","8","1") = "8"
    & skf18("9","6","1","6","5","9","1") = "8"
    & skf18("9","6","1","6","5","10","1") = "9"
    & skf18("9","6","1","6","6","1","1") = "8"
    & skf18("9","6","1","6","6","2","1") = "8"
    & skf18("9","6","1","6","6","3","1") = "8"
    & skf18("9","6","1","6","6","4","1") = "8"
    & skf18("9","6","1","6","6","5","1") = "8"
    & skf18("9","6","1","6","6","6","1") = "8"
    & skf18("9","6","1","6","6","7","1") = "8"
    & skf18("9","6","1","6","6","8","1") = "8"
    & skf18("9","6","1","6","6","9","1") = "8"
    & skf18("9","6","1","6","6","10","1") = "9"
    & skf18("9","6","1","6","7","1","1") = "8"
    & skf18("9","6","1","6","7","2","1") = "8"
    & skf18("9","6","1","6","7","3","1") = "8"
    & skf18("9","6","1","6","7","4","1") = "8"
    & skf18("9","6","1","6","7","5","1") = "8"
    & skf18("9","6","1","6","7","6","1") = "8"
    & skf18("9","6","1","6","7","7","1") = "8"
    & skf18("9","6","1","6","7","8","1") = "8"
    & skf18("9","6","1","6","7","9","1") = "8"
    & skf18("9","6","1","6","7","10","1") = "9"
    & skf18("9","6","1","6","8","1","1") = "8"
    & skf18("9","6","1","6","8","2","1") = "8"
    & skf18("9","6","1","6","8","3","1") = "8"
    & skf18("9","6","1","6","8","4","1") = "8"
    & skf18("9","6","1","6","8","5","1") = "8"
    & skf18("9","6","1","6","8","6","1") = "8"
    & skf18("9","6","1","6","8","7","1") = "8"
    & skf18("9","6","1","6","8","8","1") = "8"
    & skf18("9","6","1","6","8","9","1") = "8"
    & skf18("9","6","1","6","8","10","1") = "9"
    & skf18("9","6","1","6","9","1","1") = "8"
    & skf18("9","6","1","6","9","2","1") = "8"
    & skf18("9","6","1","6","9","3","1") = "8"
    & skf18("9","6","1","6","9","4","1") = "8"
    & skf18("9","6","1","6","9","5","1") = "8"
    & skf18("9","6","1","6","9","6","1") = "8"
    & skf18("9","6","1","6","9","7","1") = "8"
    & skf18("9","6","1","6","9","8","1") = "8"
    & skf18("9","6","1","6","9","9","1") = "8"
    & skf18("9","6","1","6","9","10","1") = "9"
    & skf18("9","6","1","6","10","1","1") = "9"
    & skf18("9","6","1","6","10","2","1") = "9"
    & skf18("9","6","1","6","10","3","1") = "9"
    & skf18("9","6","1","6","10","4","1") = "9"
    & skf18("9","6","1","6","10","5","1") = "9"
    & skf18("9","6","1","6","10","6","1") = "9"
    & skf18("9","6","1","6","10","7","1") = "9"
    & skf18("9","6","1","6","10","8","1") = "9"
    & skf18("9","6","1","6","10","9","1") = "9"
    & skf18("9","6","1","6","10","10","1") = "9"
    & skf18("9","6","1","7","1","1","1") = "8"
    & skf18("9","6","1","7","1","2","1") = "8"
    & skf18("9","6","1","7","1","3","1") = "8"
    & skf18("9","6","1","7","1","4","1") = "8"
    & skf18("9","6","1","7","1","5","1") = "8"
    & skf18("9","6","1","7","1","6","1") = "8"
    & skf18("9","6","1","7","1","7","1") = "8"
    & skf18("9","6","1","7","1","8","1") = "8"
    & skf18("9","6","1","7","1","9","1") = "8"
    & skf18("9","6","1","7","1","10","1") = "9"
    & skf18("9","6","1","7","2","1","1") = "8"
    & skf18("9","6","1","7","2","2","1") = "8"
    & skf18("9","6","1","7","2","3","1") = "8"
    & skf18("9","6","1","7","2","4","1") = "8"
    & skf18("9","6","1","7","2","5","1") = "8"
    & skf18("9","6","1","7","2","6","1") = "8"
    & skf18("9","6","1","7","2","7","1") = "8"
    & skf18("9","6","1","7","2","8","1") = "8"
    & skf18("9","6","1","7","2","9","1") = "8"
    & skf18("9","6","1","7","2","10","1") = "9"
    & skf18("9","6","1","7","3","1","1") = "8"
    & skf18("9","6","1","7","3","2","1") = "8"
    & skf18("9","6","1","7","3","3","1") = "8"
    & skf18("9","6","1","7","3","4","1") = "8"
    & skf18("9","6","1","7","3","5","1") = "8"
    & skf18("9","6","1","7","3","6","1") = "8"
    & skf18("9","6","1","7","3","7","1") = "8"
    & skf18("9","6","1","7","3","8","1") = "8"
    & skf18("9","6","1","7","3","9","1") = "8"
    & skf18("9","6","1","7","3","10","1") = "9"
    & skf18("9","6","1","7","4","1","1") = "8"
    & skf18("9","6","1","7","4","2","1") = "8"
    & skf18("9","6","1","7","4","3","1") = "8"
    & skf18("9","6","1","7","4","4","1") = "8"
    & skf18("9","6","1","7","4","5","1") = "8"
    & skf18("9","6","1","7","4","6","1") = "8"
    & skf18("9","6","1","7","4","7","1") = "8"
    & skf18("9","6","1","7","4","8","1") = "8"
    & skf18("9","6","1","7","4","9","1") = "8"
    & skf18("9","6","1","7","4","10","1") = "9"
    & skf18("9","6","1","7","5","1","1") = "8"
    & skf18("9","6","1","7","5","2","1") = "8"
    & skf18("9","6","1","7","5","3","1") = "8"
    & skf18("9","6","1","7","5","4","1") = "8"
    & skf18("9","6","1","7","5","5","1") = "8"
    & skf18("9","6","1","7","5","6","1") = "8"
    & skf18("9","6","1","7","5","7","1") = "8"
    & skf18("9","6","1","7","5","8","1") = "8"
    & skf18("9","6","1","7","5","9","1") = "8"
    & skf18("9","6","1","7","5","10","1") = "9"
    & skf18("9","6","1","7","6","1","1") = "8"
    & skf18("9","6","1","7","6","2","1") = "8"
    & skf18("9","6","1","7","6","3","1") = "8"
    & skf18("9","6","1","7","6","4","1") = "8"
    & skf18("9","6","1","7","6","5","1") = "8"
    & skf18("9","6","1","7","6","6","1") = "8"
    & skf18("9","6","1","7","6","7","1") = "8"
    & skf18("9","6","1","7","6","8","1") = "8"
    & skf18("9","6","1","7","6","9","1") = "8"
    & skf18("9","6","1","7","6","10","1") = "9"
    & skf18("9","6","1","7","7","1","1") = "8"
    & skf18("9","6","1","7","7","2","1") = "8"
    & skf18("9","6","1","7","7","3","1") = "8"
    & skf18("9","6","1","7","7","4","1") = "8"
    & skf18("9","6","1","7","7","5","1") = "8"
    & skf18("9","6","1","7","7","6","1") = "8"
    & skf18("9","6","1","7","7","7","1") = "8"
    & skf18("9","6","1","7","7","8","1") = "8"
    & skf18("9","6","1","7","7","9","1") = "8"
    & skf18("9","6","1","7","7","10","1") = "9"
    & skf18("9","6","1","7","8","1","1") = "8"
    & skf18("9","6","1","7","8","2","1") = "8"
    & skf18("9","6","1","7","8","3","1") = "8"
    & skf18("9","6","1","7","8","4","1") = "8"
    & skf18("9","6","1","7","8","5","1") = "8"
    & skf18("9","6","1","7","8","6","1") = "8"
    & skf18("9","6","1","7","8","7","1") = "8"
    & skf18("9","6","1","7","8","8","1") = "8"
    & skf18("9","6","1","7","8","9","1") = "8"
    & skf18("9","6","1","7","8","10","1") = "9"
    & skf18("9","6","1","7","9","1","1") = "8"
    & skf18("9","6","1","7","9","2","1") = "8"
    & skf18("9","6","1","7","9","3","1") = "8"
    & skf18("9","6","1","7","9","4","1") = "8"
    & skf18("9","6","1","7","9","5","1") = "8"
    & skf18("9","6","1","7","9","6","1") = "8"
    & skf18("9","6","1","7","9","7","1") = "8"
    & skf18("9","6","1","7","9","8","1") = "8"
    & skf18("9","6","1","7","9","9","1") = "8"
    & skf18("9","6","1","7","9","10","1") = "9"
    & skf18("9","6","1","7","10","1","1") = "9"
    & skf18("9","6","1","7","10","2","1") = "9"
    & skf18("9","6","1","7","10","3","1") = "9"
    & skf18("9","6","1","7","10","4","1") = "9"
    & skf18("9","6","1","7","10","5","1") = "9"
    & skf18("9","6","1","7","10","6","1") = "9"
    & skf18("9","6","1","7","10","7","1") = "9"
    & skf18("9","6","1","7","10","8","1") = "9"
    & skf18("9","6","1","7","10","9","1") = "9"
    & skf18("9","6","1","7","10","10","1") = "9"
    & skf18("9","6","1","8","1","1","1") = "8"
    & skf18("9","6","1","8","1","2","1") = "8"
    & skf18("9","6","1","8","1","3","1") = "8"
    & skf18("9","6","1","8","1","4","1") = "8"
    & skf18("9","6","1","8","1","5","1") = "8"
    & skf18("9","6","1","8","1","6","1") = "8"
    & skf18("9","6","1","8","1","7","1") = "8"
    & skf18("9","6","1","8","1","8","1") = "8"
    & skf18("9","6","1","8","1","9","1") = "8"
    & skf18("9","6","1","8","1","10","1") = "9"
    & skf18("9","6","1","8","2","1","1") = "8"
    & skf18("9","6","1","8","2","2","1") = "8"
    & skf18("9","6","1","8","2","3","1") = "8"
    & skf18("9","6","1","8","2","4","1") = "8"
    & skf18("9","6","1","8","2","5","1") = "8"
    & skf18("9","6","1","8","2","6","1") = "8"
    & skf18("9","6","1","8","2","7","1") = "8"
    & skf18("9","6","1","8","2","8","1") = "8"
    & skf18("9","6","1","8","2","9","1") = "8"
    & skf18("9","6","1","8","2","10","1") = "9"
    & skf18("9","6","1","8","3","1","1") = "8"
    & skf18("9","6","1","8","3","2","1") = "8"
    & skf18("9","6","1","8","3","3","1") = "8"
    & skf18("9","6","1","8","3","4","1") = "8"
    & skf18("9","6","1","8","3","5","1") = "8"
    & skf18("9","6","1","8","3","6","1") = "8"
    & skf18("9","6","1","8","3","7","1") = "8"
    & skf18("9","6","1","8","3","8","1") = "8"
    & skf18("9","6","1","8","3","9","1") = "8"
    & skf18("9","6","1","8","3","10","1") = "9"
    & skf18("9","6","1","8","4","1","1") = "8"
    & skf18("9","6","1","8","4","2","1") = "8"
    & skf18("9","6","1","8","4","3","1") = "8"
    & skf18("9","6","1","8","4","4","1") = "8"
    & skf18("9","6","1","8","4","5","1") = "8"
    & skf18("9","6","1","8","4","6","1") = "8"
    & skf18("9","6","1","8","4","7","1") = "8"
    & skf18("9","6","1","8","4","8","1") = "8"
    & skf18("9","6","1","8","4","9","1") = "8"
    & skf18("9","6","1","8","4","10","1") = "9"
    & skf18("9","6","1","8","5","1","1") = "8"
    & skf18("9","6","1","8","5","2","1") = "8"
    & skf18("9","6","1","8","5","3","1") = "8"
    & skf18("9","6","1","8","5","4","1") = "8"
    & skf18("9","6","1","8","5","5","1") = "8"
    & skf18("9","6","1","8","5","6","1") = "8"
    & skf18("9","6","1","8","5","7","1") = "8"
    & skf18("9","6","1","8","5","8","1") = "8"
    & skf18("9","6","1","8","5","9","1") = "8"
    & skf18("9","6","1","8","5","10","1") = "9"
    & skf18("9","6","1","8","6","1","1") = "8"
    & skf18("9","6","1","8","6","2","1") = "8"
    & skf18("9","6","1","8","6","3","1") = "8"
    & skf18("9","6","1","8","6","4","1") = "8"
    & skf18("9","6","1","8","6","5","1") = "8"
    & skf18("9","6","1","8","6","6","1") = "8"
    & skf18("9","6","1","8","6","7","1") = "8"
    & skf18("9","6","1","8","6","8","1") = "8"
    & skf18("9","6","1","8","6","9","1") = "8"
    & skf18("9","6","1","8","6","10","1") = "9"
    & skf18("9","6","1","8","7","1","1") = "8"
    & skf18("9","6","1","8","7","2","1") = "8"
    & skf18("9","6","1","8","7","3","1") = "8"
    & skf18("9","6","1","8","7","4","1") = "8"
    & skf18("9","6","1","8","7","5","1") = "8"
    & skf18("9","6","1","8","7","6","1") = "8"
    & skf18("9","6","1","8","7","7","1") = "8"
    & skf18("9","6","1","8","7","8","1") = "8"
    & skf18("9","6","1","8","7","9","1") = "8"
    & skf18("9","6","1","8","7","10","1") = "9"
    & skf18("9","6","1","8","8","1","1") = "8"
    & skf18("9","6","1","8","8","2","1") = "8"
    & skf18("9","6","1","8","8","3","1") = "8"
    & skf18("9","6","1","8","8","4","1") = "8"
    & skf18("9","6","1","8","8","5","1") = "8"
    & skf18("9","6","1","8","8","6","1") = "8"
    & skf18("9","6","1","8","8","7","1") = "8"
    & skf18("9","6","1","8","8","8","1") = "8"
    & skf18("9","6","1","8","8","9","1") = "8"
    & skf18("9","6","1","8","8","10","1") = "9"
    & skf18("9","6","1","8","9","1","1") = "8"
    & skf18("9","6","1","8","9","2","1") = "8"
    & skf18("9","6","1","8","9","3","1") = "8"
    & skf18("9","6","1","8","9","4","1") = "8"
    & skf18("9","6","1","8","9","5","1") = "8"
    & skf18("9","6","1","8","9","6","1") = "8"
    & skf18("9","6","1","8","9","7","1") = "8"
    & skf18("9","6","1","8","9","8","1") = "8"
    & skf18("9","6","1","8","9","9","1") = "8"
    & skf18("9","6","1","8","9","10","1") = "9"
    & skf18("9","6","1","8","10","1","1") = "9"
    & skf18("9","6","1","8","10","2","1") = "9"
    & skf18("9","6","1","8","10","3","1") = "9"
    & skf18("9","6","1","8","10","4","1") = "9"
    & skf18("9","6","1","8","10","5","1") = "9"
    & skf18("9","6","1","8","10","6","1") = "9"
    & skf18("9","6","1","8","10","7","1") = "9"
    & skf18("9","6","1","8","10","8","1") = "9"
    & skf18("9","6","1","8","10","9","1") = "9"
    & skf18("9","6","1","8","10","10","1") = "9"
    & skf18("9","6","1","9","1","1","1") = "8"
    & skf18("9","6","1","9","1","2","1") = "8"
    & skf18("9","6","1","9","1","3","1") = "8"
    & skf18("9","6","1","9","1","4","1") = "8"
    & skf18("9","6","1","9","1","5","1") = "8"
    & skf18("9","6","1","9","1","6","1") = "8"
    & skf18("9","6","1","9","1","7","1") = "8"
    & skf18("9","6","1","9","1","8","1") = "8"
    & skf18("9","6","1","9","1","9","1") = "8"
    & skf18("9","6","1","9","1","10","1") = "9"
    & skf18("9","6","1","9","2","1","1") = "8"
    & skf18("9","6","1","9","2","2","1") = "8"
    & skf18("9","6","1","9","2","3","1") = "8"
    & skf18("9","6","1","9","2","4","1") = "8"
    & skf18("9","6","1","9","2","5","1") = "8"
    & skf18("9","6","1","9","2","6","1") = "8"
    & skf18("9","6","1","9","2","7","1") = "8"
    & skf18("9","6","1","9","2","8","1") = "8"
    & skf18("9","6","1","9","2","9","1") = "8"
    & skf18("9","6","1","9","2","10","1") = "9"
    & skf18("9","6","1","9","3","1","1") = "8"
    & skf18("9","6","1","9","3","2","1") = "8"
    & skf18("9","6","1","9","3","3","1") = "8"
    & skf18("9","6","1","9","3","4","1") = "8"
    & skf18("9","6","1","9","3","5","1") = "8"
    & skf18("9","6","1","9","3","6","1") = "8"
    & skf18("9","6","1","9","3","7","1") = "8"
    & skf18("9","6","1","9","3","8","1") = "8"
    & skf18("9","6","1","9","3","9","1") = "8"
    & skf18("9","6","1","9","3","10","1") = "9"
    & skf18("9","6","1","9","4","1","1") = "8"
    & skf18("9","6","1","9","4","2","1") = "8"
    & skf18("9","6","1","9","4","3","1") = "8"
    & skf18("9","6","1","9","4","4","1") = "8"
    & skf18("9","6","1","9","4","5","1") = "8"
    & skf18("9","6","1","9","4","6","1") = "8"
    & skf18("9","6","1","9","4","7","1") = "8"
    & skf18("9","6","1","9","4","8","1") = "8"
    & skf18("9","6","1","9","4","9","1") = "8"
    & skf18("9","6","1","9","4","10","1") = "9"
    & skf18("9","6","1","9","5","1","1") = "8"
    & skf18("9","6","1","9","5","2","1") = "8"
    & skf18("9","6","1","9","5","3","1") = "8"
    & skf18("9","6","1","9","5","4","1") = "8"
    & skf18("9","6","1","9","5","5","1") = "8"
    & skf18("9","6","1","9","5","6","1") = "8"
    & skf18("9","6","1","9","5","7","1") = "8"
    & skf18("9","6","1","9","5","8","1") = "8"
    & skf18("9","6","1","9","5","9","1") = "8"
    & skf18("9","6","1","9","5","10","1") = "9"
    & skf18("9","6","1","9","6","1","1") = "8"
    & skf18("9","6","1","9","6","2","1") = "8"
    & skf18("9","6","1","9","6","3","1") = "8"
    & skf18("9","6","1","9","6","4","1") = "8"
    & skf18("9","6","1","9","6","5","1") = "8"
    & skf18("9","6","1","9","6","6","1") = "8"
    & skf18("9","6","1","9","6","7","1") = "8"
    & skf18("9","6","1","9","6","8","1") = "8"
    & skf18("9","6","1","9","6","9","1") = "8"
    & skf18("9","6","1","9","6","10","1") = "9"
    & skf18("9","6","1","9","7","1","1") = "8"
    & skf18("9","6","1","9","7","2","1") = "8"
    & skf18("9","6","1","9","7","3","1") = "8"
    & skf18("9","6","1","9","7","4","1") = "8"
    & skf18("9","6","1","9","7","5","1") = "8"
    & skf18("9","6","1","9","7","6","1") = "8"
    & skf18("9","6","1","9","7","7","1") = "8"
    & skf18("9","6","1","9","7","8","1") = "8"
    & skf18("9","6","1","9","7","9","1") = "8"
    & skf18("9","6","1","9","7","10","1") = "9"
    & skf18("9","6","1","9","8","1","1") = "8"
    & skf18("9","6","1","9","8","2","1") = "8"
    & skf18("9","6","1","9","8","3","1") = "8"
    & skf18("9","6","1","9","8","4","1") = "8"
    & skf18("9","6","1","9","8","5","1") = "8"
    & skf18("9","6","1","9","8","6","1") = "8"
    & skf18("9","6","1","9","8","7","1") = "8"
    & skf18("9","6","1","9","8","8","1") = "8"
    & skf18("9","6","1","9","8","9","1") = "8"
    & skf18("9","6","1","9","8","10","1") = "9"
    & skf18("9","6","1","9","9","1","1") = "8"
    & skf18("9","6","1","9","9","2","1") = "8"
    & skf18("9","6","1","9","9","3","1") = "8"
    & skf18("9","6","1","9","9","4","1") = "8"
    & skf18("9","6","1","9","9","5","1") = "8"
    & skf18("9","6","1","9","9","6","1") = "8"
    & skf18("9","6","1","9","9","7","1") = "8"
    & skf18("9","6","1","9","9","8","1") = "8"
    & skf18("9","6","1","9","9","9","1") = "8"
    & skf18("9","6","1","9","9","10","1") = "9"
    & skf18("9","6","1","9","10","1","1") = "9"
    & skf18("9","6","1","9","10","2","1") = "9"
    & skf18("9","6","1","9","10","3","1") = "9"
    & skf18("9","6","1","9","10","4","1") = "9"
    & skf18("9","6","1","9","10","5","1") = "9"
    & skf18("9","6","1","9","10","6","1") = "9"
    & skf18("9","6","1","9","10","7","1") = "9"
    & skf18("9","6","1","9","10","8","1") = "9"
    & skf18("9","6","1","9","10","9","1") = "9"
    & skf18("9","6","1","9","10","10","1") = "9"
    & skf18("9","6","1","10","1","1","1") = "9"
    & skf18("9","6","1","10","1","2","1") = "9"
    & skf18("9","6","1","10","1","3","1") = "9"
    & skf18("9","6","1","10","1","4","1") = "9"
    & skf18("9","6","1","10","1","5","1") = "9"
    & skf18("9","6","1","10","1","6","1") = "9"
    & skf18("9","6","1","10","1","7","1") = "9"
    & skf18("9","6","1","10","1","8","1") = "9"
    & skf18("9","6","1","10","1","9","1") = "9"
    & skf18("9","6","1","10","1","10","1") = "9"
    & skf18("9","6","1","10","2","1","1") = "9"
    & skf18("9","6","1","10","2","2","1") = "9"
    & skf18("9","6","1","10","2","3","1") = "9"
    & skf18("9","6","1","10","2","4","1") = "9"
    & skf18("9","6","1","10","2","5","1") = "9"
    & skf18("9","6","1","10","2","6","1") = "9"
    & skf18("9","6","1","10","2","7","1") = "9"
    & skf18("9","6","1","10","2","8","1") = "9"
    & skf18("9","6","1","10","2","9","1") = "9"
    & skf18("9","6","1","10","2","10","1") = "9"
    & skf18("9","6","1","10","3","1","1") = "9"
    & skf18("9","6","1","10","3","2","1") = "9"
    & skf18("9","6","1","10","3","3","1") = "9"
    & skf18("9","6","1","10","3","4","1") = "9"
    & skf18("9","6","1","10","3","5","1") = "9"
    & skf18("9","6","1","10","3","6","1") = "9"
    & skf18("9","6","1","10","3","7","1") = "9"
    & skf18("9","6","1","10","3","8","1") = "9"
    & skf18("9","6","1","10","3","9","1") = "9"
    & skf18("9","6","1","10","3","10","1") = "9"
    & skf18("9","6","1","10","4","1","1") = "9"
    & skf18("9","6","1","10","4","2","1") = "9"
    & skf18("9","6","1","10","4","3","1") = "9"
    & skf18("9","6","1","10","4","4","1") = "9"
    & skf18("9","6","1","10","4","5","1") = "9"
    & skf18("9","6","1","10","4","6","1") = "9"
    & skf18("9","6","1","10","4","7","1") = "9"
    & skf18("9","6","1","10","4","8","1") = "9"
    & skf18("9","6","1","10","4","9","1") = "9"
    & skf18("9","6","1","10","4","10","1") = "9"
    & skf18("9","6","1","10","5","1","1") = "9"
    & skf18("9","6","1","10","5","2","1") = "9"
    & skf18("9","6","1","10","5","3","1") = "9"
    & skf18("9","6","1","10","5","4","1") = "9"
    & skf18("9","6","1","10","5","5","1") = "9"
    & skf18("9","6","1","10","5","6","1") = "9"
    & skf18("9","6","1","10","5","7","1") = "9"
    & skf18("9","6","1","10","5","8","1") = "9"
    & skf18("9","6","1","10","5","9","1") = "9"
    & skf18("9","6","1","10","5","10","1") = "9"
    & skf18("9","6","1","10","6","1","1") = "9"
    & skf18("9","6","1","10","6","2","1") = "9"
    & skf18("9","6","1","10","6","3","1") = "9"
    & skf18("9","6","1","10","6","4","1") = "9"
    & skf18("9","6","1","10","6","5","1") = "9"
    & skf18("9","6","1","10","6","6","1") = "9"
    & skf18("9","6","1","10","6","7","1") = "9"
    & skf18("9","6","1","10","6","8","1") = "9"
    & skf18("9","6","1","10","6","9","1") = "9"
    & skf18("9","6","1","10","6","10","1") = "9"
    & skf18("9","6","1","10","7","1","1") = "9"
    & skf18("9","6","1","10","7","2","1") = "9"
    & skf18("9","6","1","10","7","3","1") = "9"
    & skf18("9","6","1","10","7","4","1") = "9"
    & skf18("9","6","1","10","7","5","1") = "9"
    & skf18("9","6","1","10","7","6","1") = "9"
    & skf18("9","6","1","10","7","7","1") = "9"
    & skf18("9","6","1","10","7","8","1") = "9"
    & skf18("9","6","1","10","7","9","1") = "9"
    & skf18("9","6","1","10","7","10","1") = "9"
    & skf18("9","6","1","10","8","1","1") = "9"
    & skf18("9","6","1","10","8","2","1") = "9"
    & skf18("9","6","1","10","8","3","1") = "9"
    & skf18("9","6","1","10","8","4","1") = "9"
    & skf18("9","6","1","10","8","5","1") = "9"
    & skf18("9","6","1","10","8","6","1") = "9"
    & skf18("9","6","1","10","8","7","1") = "9"
    & skf18("9","6","1","10","8","8","1") = "9"
    & skf18("9","6","1","10","8","9","1") = "9"
    & skf18("9","6","1","10","8","10","1") = "9"
    & skf18("9","6","1","10","9","1","1") = "9"
    & skf18("9","6","1","10","9","2","1") = "9"
    & skf18("9","6","1","10","9","3","1") = "9"
    & skf18("9","6","1","10","9","4","1") = "9"
    & skf18("9","6","1","10","9","5","1") = "9"
    & skf18("9","6","1","10","9","6","1") = "9"
    & skf18("9","6","1","10","9","7","1") = "9"
    & skf18("9","6","1","10","9","8","1") = "9"
    & skf18("9","6","1","10","9","9","1") = "9"
    & skf18("9","6","1","10","9","10","1") = "9"
    & skf18("9","6","1","10","10","1","1") = "9"
    & skf18("9","6","1","10","10","2","1") = "9"
    & skf18("9","6","1","10","10","3","1") = "9"
    & skf18("9","6","1","10","10","4","1") = "9"
    & skf18("9","6","1","10","10","5","1") = "9"
    & skf18("9","6","1","10","10","6","1") = "9"
    & skf18("9","6","1","10","10","7","1") = "9"
    & skf18("9","6","1","10","10","8","1") = "9"
    & skf18("9","6","1","10","10","9","1") = "9"
    & skf18("9","6","1","10","10","10","1") = "9"
    & skf18("9","6","2","1","1","1","1") = "8"
    & skf18("9","6","2","1","1","2","1") = "8"
    & skf18("9","6","2","1","1","3","1") = "8"
    & skf18("9","6","2","1","1","4","1") = "8"
    & skf18("9","6","2","1","1","5","1") = "8"
    & skf18("9","6","2","1","1","6","1") = "8"
    & skf18("9","6","2","1","1","7","1") = "8"
    & skf18("9","6","2","1","1","8","1") = "8"
    & skf18("9","6","2","1","1","9","1") = "8"
    & skf18("9","6","2","1","1","10","1") = "9"
    & skf18("9","6","2","1","2","1","1") = "8"
    & skf18("9","6","2","1","2","2","1") = "8"
    & skf18("9","6","2","1","2","3","1") = "8"
    & skf18("9","6","2","1","2","4","1") = "8"
    & skf18("9","6","2","1","2","5","1") = "8"
    & skf18("9","6","2","1","2","6","1") = "8"
    & skf18("9","6","2","1","2","7","1") = "8"
    & skf18("9","6","2","1","2","8","1") = "8"
    & skf18("9","6","2","1","2","9","1") = "8"
    & skf18("9","6","2","1","2","10","1") = "9"
    & skf18("9","6","2","1","3","1","1") = "8"
    & skf18("9","6","2","1","3","2","1") = "8"
    & skf18("9","6","2","1","3","3","1") = "8"
    & skf18("9","6","2","1","3","4","1") = "8"
    & skf18("9","6","2","1","3","5","1") = "8"
    & skf18("9","6","2","1","3","6","1") = "8"
    & skf18("9","6","2","1","3","7","1") = "8"
    & skf18("9","6","2","1","3","8","1") = "8"
    & skf18("9","6","2","1","3","9","1") = "8"
    & skf18("9","6","2","1","3","10","1") = "9"
    & skf18("9","6","2","1","4","1","1") = "8"
    & skf18("9","6","2","1","4","2","1") = "8"
    & skf18("9","6","2","1","4","3","1") = "8"
    & skf18("9","6","2","1","4","4","1") = "8"
    & skf18("9","6","2","1","4","5","1") = "8"
    & skf18("9","6","2","1","4","6","1") = "8"
    & skf18("9","6","2","1","4","7","1") = "8"
    & skf18("9","6","2","1","4","8","1") = "8"
    & skf18("9","6","2","1","4","9","1") = "8"
    & skf18("9","6","2","1","4","10","1") = "9"
    & skf18("9","6","2","1","5","1","1") = "8"
    & skf18("9","6","2","1","5","2","1") = "8"
    & skf18("9","6","2","1","5","3","1") = "8"
    & skf18("9","6","2","1","5","4","1") = "8"
    & skf18("9","6","2","1","5","5","1") = "8"
    & skf18("9","6","2","1","5","6","1") = "8"
    & skf18("9","6","2","1","5","7","1") = "8"
    & skf18("9","6","2","1","5","8","1") = "8"
    & skf18("9","6","2","1","5","9","1") = "8"
    & skf18("9","6","2","1","5","10","1") = "9"
    & skf18("9","6","2","1","6","1","1") = "8"
    & skf18("9","6","2","1","6","2","1") = "8"
    & skf18("9","6","2","1","6","3","1") = "8"
    & skf18("9","6","2","1","6","4","1") = "8"
    & skf18("9","6","2","1","6","5","1") = "8"
    & skf18("9","6","2","1","6","6","1") = "8"
    & skf18("9","6","2","1","6","7","1") = "8"
    & skf18("9","6","2","1","6","8","1") = "8"
    & skf18("9","6","2","1","6","9","1") = "8"
    & skf18("9","6","2","1","6","10","1") = "9"
    & skf18("9","6","2","1","7","1","1") = "8"
    & skf18("9","6","2","1","7","2","1") = "8"
    & skf18("9","6","2","1","7","3","1") = "8"
    & skf18("9","6","2","1","7","4","1") = "8"
    & skf18("9","6","2","1","7","5","1") = "8"
    & skf18("9","6","2","1","7","6","1") = "8"
    & skf18("9","6","2","1","7","7","1") = "8"
    & skf18("9","6","2","1","7","8","1") = "8"
    & skf18("9","6","2","1","7","9","1") = "8"
    & skf18("9","6","2","1","7","10","1") = "9"
    & skf18("9","6","2","1","8","1","1") = "8"
    & skf18("9","6","2","1","8","2","1") = "8"
    & skf18("9","6","2","1","8","3","1") = "8"
    & skf18("9","6","2","1","8","4","1") = "8"
    & skf18("9","6","2","1","8","5","1") = "8"
    & skf18("9","6","2","1","8","6","1") = "8"
    & skf18("9","6","2","1","8","7","1") = "8"
    & skf18("9","6","2","1","8","8","1") = "8"
    & skf18("9","6","2","1","8","9","1") = "8"
    & skf18("9","6","2","1","8","10","1") = "9"
    & skf18("9","6","2","1","9","1","1") = "8"
    & skf18("9","6","2","1","9","2","1") = "8"
    & skf18("9","6","2","1","9","3","1") = "8"
    & skf18("9","6","2","1","9","4","1") = "8"
    & skf18("9","6","2","1","9","5","1") = "8"
    & skf18("9","6","2","1","9","6","1") = "8"
    & skf18("9","6","2","1","9","7","1") = "8"
    & skf18("9","6","2","1","9","8","1") = "8"
    & skf18("9","6","2","1","9","9","1") = "8"
    & skf18("9","6","2","1","9","10","1") = "9"
    & skf18("9","6","2","1","10","1","1") = "9"
    & skf18("9","6","2","1","10","2","1") = "9"
    & skf18("9","6","2","1","10","3","1") = "9"
    & skf18("9","6","2","1","10","4","1") = "9"
    & skf18("9","6","2","1","10","5","1") = "9"
    & skf18("9","6","2","1","10","6","1") = "9"
    & skf18("9","6","2","1","10","7","1") = "9"
    & skf18("9","6","2","1","10","8","1") = "9"
    & skf18("9","6","2","1","10","9","1") = "9"
    & skf18("9","6","2","1","10","10","1") = "9"
    & skf18("9","6","2","2","1","1","1") = "8"
    & skf18("9","6","2","2","1","2","1") = "8"
    & skf18("9","6","2","2","1","3","1") = "8"
    & skf18("9","6","2","2","1","4","1") = "8"
    & skf18("9","6","2","2","1","5","1") = "8"
    & skf18("9","6","2","2","1","6","1") = "8"
    & skf18("9","6","2","2","1","7","1") = "8"
    & skf18("9","6","2","2","1","8","1") = "8"
    & skf18("9","6","2","2","1","9","1") = "8"
    & skf18("9","6","2","2","1","10","1") = "9"
    & skf18("9","6","2","2","2","1","1") = "8"
    & skf18("9","6","2","2","2","2","1") = "8"
    & skf18("9","6","2","2","2","3","1") = "8"
    & skf18("9","6","2","2","2","4","1") = "8"
    & skf18("9","6","2","2","2","5","1") = "8"
    & skf18("9","6","2","2","2","6","1") = "8"
    & skf18("9","6","2","2","2","7","1") = "8"
    & skf18("9","6","2","2","2","8","1") = "8"
    & skf18("9","6","2","2","2","9","1") = "8"
    & skf18("9","6","2","2","2","10","1") = "9"
    & skf18("9","6","2","2","3","1","1") = "8"
    & skf18("9","6","2","2","3","2","1") = "8"
    & skf18("9","6","2","2","3","3","1") = "8"
    & skf18("9","6","2","2","3","4","1") = "8"
    & skf18("9","6","2","2","3","5","1") = "8"
    & skf18("9","6","2","2","3","6","1") = "8"
    & skf18("9","6","2","2","3","7","1") = "8"
    & skf18("9","6","2","2","3","8","1") = "8"
    & skf18("9","6","2","2","3","9","1") = "8"
    & skf18("9","6","2","2","3","10","1") = "9"
    & skf18("9","6","2","2","4","1","1") = "8"
    & skf18("9","6","2","2","4","2","1") = "8"
    & skf18("9","6","2","2","4","3","1") = "8"
    & skf18("9","6","2","2","4","4","1") = "8"
    & skf18("9","6","2","2","4","5","1") = "8"
    & skf18("9","6","2","2","4","6","1") = "8"
    & skf18("9","6","2","2","4","7","1") = "8"
    & skf18("9","6","2","2","4","8","1") = "8"
    & skf18("9","6","2","2","4","9","1") = "8"
    & skf18("9","6","2","2","4","10","1") = "9"
    & skf18("9","6","2","2","5","1","1") = "8"
    & skf18("9","6","2","2","5","2","1") = "8"
    & skf18("9","6","2","2","5","3","1") = "8"
    & skf18("9","6","2","2","5","4","1") = "8"
    & skf18("9","6","2","2","5","5","1") = "8"
    & skf18("9","6","2","2","5","6","1") = "8"
    & skf18("9","6","2","2","5","7","1") = "8"
    & skf18("9","6","2","2","5","8","1") = "8"
    & skf18("9","6","2","2","5","9","1") = "8"
    & skf18("9","6","2","2","5","10","1") = "9"
    & skf18("9","6","2","2","6","1","1") = "8"
    & skf18("9","6","2","2","6","2","1") = "8"
    & skf18("9","6","2","2","6","3","1") = "8"
    & skf18("9","6","2","2","6","4","1") = "8"
    & skf18("9","6","2","2","6","5","1") = "8"
    & skf18("9","6","2","2","6","6","1") = "8"
    & skf18("9","6","2","2","6","7","1") = "8"
    & skf18("9","6","2","2","6","8","1") = "8"
    & skf18("9","6","2","2","6","9","1") = "8"
    & skf18("9","6","2","2","6","10","1") = "9"
    & skf18("9","6","2","2","7","1","1") = "8"
    & skf18("9","6","2","2","7","2","1") = "8"
    & skf18("9","6","2","2","7","3","1") = "8"
    & skf18("9","6","2","2","7","4","1") = "8"
    & skf18("9","6","2","2","7","5","1") = "8"
    & skf18("9","6","2","2","7","6","1") = "8"
    & skf18("9","6","2","2","7","7","1") = "8"
    & skf18("9","6","2","2","7","8","1") = "8"
    & skf18("9","6","2","2","7","9","1") = "8"
    & skf18("9","6","2","2","7","10","1") = "9"
    & skf18("9","6","2","2","8","1","1") = "8"
    & skf18("9","6","2","2","8","2","1") = "8"
    & skf18("9","6","2","2","8","3","1") = "8"
    & skf18("9","6","2","2","8","4","1") = "8"
    & skf18("9","6","2","2","8","5","1") = "8"
    & skf18("9","6","2","2","8","6","1") = "8"
    & skf18("9","6","2","2","8","7","1") = "8"
    & skf18("9","6","2","2","8","8","1") = "8"
    & skf18("9","6","2","2","8","9","1") = "8"
    & skf18("9","6","2","2","8","10","1") = "9"
    & skf18("9","6","2","2","9","1","1") = "8"
    & skf18("9","6","2","2","9","2","1") = "8"
    & skf18("9","6","2","2","9","3","1") = "8"
    & skf18("9","6","2","2","9","4","1") = "8"
    & skf18("9","6","2","2","9","5","1") = "8"
    & skf18("9","6","2","2","9","6","1") = "8"
    & skf18("9","6","2","2","9","7","1") = "8"
    & skf18("9","6","2","2","9","8","1") = "8"
    & skf18("9","6","2","2","9","9","1") = "8"
    & skf18("9","6","2","2","9","10","1") = "9"
    & skf18("9","6","2","2","10","1","1") = "9"
    & skf18("9","6","2","2","10","2","1") = "9"
    & skf18("9","6","2","2","10","3","1") = "9"
    & skf18("9","6","2","2","10","4","1") = "9"
    & skf18("9","6","2","2","10","5","1") = "9"
    & skf18("9","6","2","2","10","6","1") = "9"
    & skf18("9","6","2","2","10","7","1") = "9"
    & skf18("9","6","2","2","10","8","1") = "9"
    & skf18("9","6","2","2","10","9","1") = "9"
    & skf18("9","6","2","2","10","10","1") = "9"
    & skf18("9","6","2","3","1","1","1") = "8"
    & skf18("9","6","2","3","1","2","1") = "8"
    & skf18("9","6","2","3","1","3","1") = "8"
    & skf18("9","6","2","3","1","4","1") = "8"
    & skf18("9","6","2","3","1","5","1") = "8"
    & skf18("9","6","2","3","1","6","1") = "8"
    & skf18("9","6","2","3","1","7","1") = "8"
    & skf18("9","6","2","3","1","8","1") = "8"
    & skf18("9","6","2","3","1","9","1") = "8"
    & skf18("9","6","2","3","1","10","1") = "9"
    & skf18("9","6","2","3","2","1","1") = "8"
    & skf18("9","6","2","3","2","2","1") = "8"
    & skf18("9","6","2","3","2","3","1") = "8"
    & skf18("9","6","2","3","2","4","1") = "8"
    & skf18("9","6","2","3","2","5","1") = "8"
    & skf18("9","6","2","3","2","6","1") = "8"
    & skf18("9","6","2","3","2","7","1") = "8"
    & skf18("9","6","2","3","2","8","1") = "8"
    & skf18("9","6","2","3","2","9","1") = "8"
    & skf18("9","6","2","3","2","10","1") = "9"
    & skf18("9","6","2","3","3","1","1") = "8"
    & skf18("9","6","2","3","3","2","1") = "8"
    & skf18("9","6","2","3","3","3","1") = "8"
    & skf18("9","6","2","3","3","4","1") = "8"
    & skf18("9","6","2","3","3","5","1") = "8"
    & skf18("9","6","2","3","3","6","1") = "8"
    & skf18("9","6","2","3","3","7","1") = "8"
    & skf18("9","6","2","3","3","8","1") = "8"
    & skf18("9","6","2","3","3","9","1") = "8"
    & skf18("9","6","2","3","3","10","1") = "9"
    & skf18("9","6","2","3","4","1","1") = "8"
    & skf18("9","6","2","3","4","2","1") = "8"
    & skf18("9","6","2","3","4","3","1") = "8"
    & skf18("9","6","2","3","4","4","1") = "8"
    & skf18("9","6","2","3","4","5","1") = "8"
    & skf18("9","6","2","3","4","6","1") = "8"
    & skf18("9","6","2","3","4","7","1") = "8"
    & skf18("9","6","2","3","4","8","1") = "8"
    & skf18("9","6","2","3","4","9","1") = "8"
    & skf18("9","6","2","3","4","10","1") = "9"
    & skf18("9","6","2","3","5","1","1") = "8"
    & skf18("9","6","2","3","5","2","1") = "8"
    & skf18("9","6","2","3","5","3","1") = "8"
    & skf18("9","6","2","3","5","4","1") = "8"
    & skf18("9","6","2","3","5","5","1") = "8"
    & skf18("9","6","2","3","5","6","1") = "8"
    & skf18("9","6","2","3","5","7","1") = "8"
    & skf18("9","6","2","3","5","8","1") = "8"
    & skf18("9","6","2","3","5","9","1") = "8"
    & skf18("9","6","2","3","5","10","1") = "9"
    & skf18("9","6","2","3","6","1","1") = "8"
    & skf18("9","6","2","3","6","2","1") = "8"
    & skf18("9","6","2","3","6","3","1") = "8"
    & skf18("9","6","2","3","6","4","1") = "8"
    & skf18("9","6","2","3","6","5","1") = "8"
    & skf18("9","6","2","3","6","6","1") = "8"
    & skf18("9","6","2","3","6","7","1") = "8"
    & skf18("9","6","2","3","6","8","1") = "8"
    & skf18("9","6","2","3","6","9","1") = "8"
    & skf18("9","6","2","3","6","10","1") = "9"
    & skf18("9","6","2","3","7","1","1") = "8"
    & skf18("9","6","2","3","7","2","1") = "8"
    & skf18("9","6","2","3","7","3","1") = "8"
    & skf18("9","6","2","3","7","4","1") = "8"
    & skf18("9","6","2","3","7","5","1") = "8"
    & skf18("9","6","2","3","7","6","1") = "8"
    & skf18("9","6","2","3","7","7","1") = "8"
    & skf18("9","6","2","3","7","8","1") = "8"
    & skf18("9","6","2","3","7","9","1") = "8"
    & skf18("9","6","2","3","7","10","1") = "9"
    & skf18("9","6","2","3","8","1","1") = "8"
    & skf18("9","6","2","3","8","2","1") = "8"
    & skf18("9","6","2","3","8","3","1") = "8"
    & skf18("9","6","2","3","8","4","1") = "8"
    & skf18("9","6","2","3","8","5","1") = "8"
    & skf18("9","6","2","3","8","6","1") = "8"
    & skf18("9","6","2","3","8","7","1") = "8"
    & skf18("9","6","2","3","8","8","1") = "8"
    & skf18("9","6","2","3","8","9","1") = "8"
    & skf18("9","6","2","3","8","10","1") = "9"
    & skf18("9","6","2","3","9","1","1") = "8"
    & skf18("9","6","2","3","9","2","1") = "8"
    & skf18("9","6","2","3","9","3","1") = "8"
    & skf18("9","6","2","3","9","4","1") = "8"
    & skf18("9","6","2","3","9","5","1") = "8"
    & skf18("9","6","2","3","9","6","1") = "8"
    & skf18("9","6","2","3","9","7","1") = "8"
    & skf18("9","6","2","3","9","8","1") = "8"
    & skf18("9","6","2","3","9","9","1") = "8"
    & skf18("9","6","2","3","9","10","1") = "9"
    & skf18("9","6","2","3","10","1","1") = "9"
    & skf18("9","6","2","3","10","2","1") = "9"
    & skf18("9","6","2","3","10","3","1") = "9"
    & skf18("9","6","2","3","10","4","1") = "9"
    & skf18("9","6","2","3","10","5","1") = "9"
    & skf18("9","6","2","3","10","6","1") = "9"
    & skf18("9","6","2","3","10","7","1") = "9"
    & skf18("9","6","2","3","10","8","1") = "9"
    & skf18("9","6","2","3","10","9","1") = "9"
    & skf18("9","6","2","3","10","10","1") = "9"
    & skf18("9","6","2","4","1","1","1") = "8"
    & skf18("9","6","2","4","1","2","1") = "8"
    & skf18("9","6","2","4","1","3","1") = "8"
    & skf18("9","6","2","4","1","4","1") = "8"
    & skf18("9","6","2","4","1","5","1") = "8"
    & skf18("9","6","2","4","1","6","1") = "8"
    & skf18("9","6","2","4","1","7","1") = "8"
    & skf18("9","6","2","4","1","8","1") = "8"
    & skf18("9","6","2","4","1","9","1") = "8"
    & skf18("9","6","2","4","1","10","1") = "9"
    & skf18("9","6","2","4","2","1","1") = "8"
    & skf18("9","6","2","4","2","2","1") = "8"
    & skf18("9","6","2","4","2","3","1") = "8"
    & skf18("9","6","2","4","2","4","1") = "8"
    & skf18("9","6","2","4","2","5","1") = "8"
    & skf18("9","6","2","4","2","6","1") = "8"
    & skf18("9","6","2","4","2","7","1") = "8"
    & skf18("9","6","2","4","2","8","1") = "8"
    & skf18("9","6","2","4","2","9","1") = "8"
    & skf18("9","6","2","4","2","10","1") = "9"
    & skf18("9","6","2","4","3","1","1") = "8"
    & skf18("9","6","2","4","3","2","1") = "8"
    & skf18("9","6","2","4","3","3","1") = "8"
    & skf18("9","6","2","4","3","4","1") = "8"
    & skf18("9","6","2","4","3","5","1") = "8"
    & skf18("9","6","2","4","3","6","1") = "8"
    & skf18("9","6","2","4","3","7","1") = "8"
    & skf18("9","6","2","4","3","8","1") = "8"
    & skf18("9","6","2","4","3","9","1") = "8"
    & skf18("9","6","2","4","3","10","1") = "9"
    & skf18("9","6","2","4","4","1","1") = "8"
    & skf18("9","6","2","4","4","2","1") = "8"
    & skf18("9","6","2","4","4","3","1") = "8"
    & skf18("9","6","2","4","4","4","1") = "8"
    & skf18("9","6","2","4","4","5","1") = "8"
    & skf18("9","6","2","4","4","6","1") = "8"
    & skf18("9","6","2","4","4","7","1") = "8"
    & skf18("9","6","2","4","4","8","1") = "8"
    & skf18("9","6","2","4","4","9","1") = "8"
    & skf18("9","6","2","4","4","10","1") = "9"
    & skf18("9","6","2","4","5","1","1") = "8"
    & skf18("9","6","2","4","5","2","1") = "8"
    & skf18("9","6","2","4","5","3","1") = "8"
    & skf18("9","6","2","4","5","4","1") = "8"
    & skf18("9","6","2","4","5","5","1") = "8"
    & skf18("9","6","2","4","5","6","1") = "8"
    & skf18("9","6","2","4","5","7","1") = "8"
    & skf18("9","6","2","4","5","8","1") = "8"
    & skf18("9","6","2","4","5","9","1") = "8"
    & skf18("9","6","2","4","5","10","1") = "9"
    & skf18("9","6","2","4","6","1","1") = "8"
    & skf18("9","6","2","4","6","2","1") = "8"
    & skf18("9","6","2","4","6","3","1") = "8"
    & skf18("9","6","2","4","6","4","1") = "8"
    & skf18("9","6","2","4","6","5","1") = "8"
    & skf18("9","6","2","4","6","6","1") = "8"
    & skf18("9","6","2","4","6","7","1") = "8"
    & skf18("9","6","2","4","6","8","1") = "8"
    & skf18("9","6","2","4","6","9","1") = "8"
    & skf18("9","6","2","4","6","10","1") = "9"
    & skf18("9","6","2","4","7","1","1") = "8"
    & skf18("9","6","2","4","7","2","1") = "8"
    & skf18("9","6","2","4","7","3","1") = "8"
    & skf18("9","6","2","4","7","4","1") = "8"
    & skf18("9","6","2","4","7","5","1") = "8"
    & skf18("9","6","2","4","7","6","1") = "8"
    & skf18("9","6","2","4","7","7","1") = "8"
    & skf18("9","6","2","4","7","8","1") = "8"
    & skf18("9","6","2","4","7","9","1") = "8"
    & skf18("9","6","2","4","7","10","1") = "9"
    & skf18("9","6","2","4","8","1","1") = "8"
    & skf18("9","6","2","4","8","2","1") = "8"
    & skf18("9","6","2","4","8","3","1") = "8"
    & skf18("9","6","2","4","8","4","1") = "8"
    & skf18("9","6","2","4","8","5","1") = "8"
    & skf18("9","6","2","4","8","6","1") = "8"
    & skf18("9","6","2","4","8","7","1") = "8"
    & skf18("9","6","2","4","8","8","1") = "8"
    & skf18("9","6","2","4","8","9","1") = "8"
    & skf18("9","6","2","4","8","10","1") = "9"
    & skf18("9","6","2","4","9","1","1") = "8"
    & skf18("9","6","2","4","9","2","1") = "8"
    & skf18("9","6","2","4","9","3","1") = "8"
    & skf18("9","6","2","4","9","4","1") = "8"
    & skf18("9","6","2","4","9","5","1") = "8"
    & skf18("9","6","2","4","9","6","1") = "8"
    & skf18("9","6","2","4","9","7","1") = "8"
    & skf18("9","6","2","4","9","8","1") = "8"
    & skf18("9","6","2","4","9","9","1") = "8"
    & skf18("9","6","2","4","9","10","1") = "9"
    & skf18("9","6","2","4","10","1","1") = "9"
    & skf18("9","6","2","4","10","2","1") = "9"
    & skf18("9","6","2","4","10","3","1") = "9"
    & skf18("9","6","2","4","10","4","1") = "9"
    & skf18("9","6","2","4","10","5","1") = "9"
    & skf18("9","6","2","4","10","6","1") = "9"
    & skf18("9","6","2","4","10","7","1") = "9"
    & skf18("9","6","2","4","10","8","1") = "9"
    & skf18("9","6","2","4","10","9","1") = "9"
    & skf18("9","6","2","4","10","10","1") = "9"
    & skf18("9","6","2","5","1","1","1") = "8"
    & skf18("9","6","2","5","1","2","1") = "8"
    & skf18("9","6","2","5","1","3","1") = "8"
    & skf18("9","6","2","5","1","4","1") = "8"
    & skf18("9","6","2","5","1","5","1") = "8"
    & skf18("9","6","2","5","1","6","1") = "8"
    & skf18("9","6","2","5","1","7","1") = "8"
    & skf18("9","6","2","5","1","8","1") = "8"
    & skf18("9","6","2","5","1","9","1") = "8"
    & skf18("9","6","2","5","1","10","1") = "9"
    & skf18("9","6","2","5","2","1","1") = "8"
    & skf18("9","6","2","5","2","2","1") = "8"
    & skf18("9","6","2","5","2","3","1") = "8"
    & skf18("9","6","2","5","2","4","1") = "8"
    & skf18("9","6","2","5","2","5","1") = "8"
    & skf18("9","6","2","5","2","6","1") = "8"
    & skf18("9","6","2","5","2","7","1") = "8"
    & skf18("9","6","2","5","2","8","1") = "8"
    & skf18("9","6","2","5","2","9","1") = "8"
    & skf18("9","6","2","5","2","10","1") = "9"
    & skf18("9","6","2","5","3","1","1") = "8"
    & skf18("9","6","2","5","3","2","1") = "8"
    & skf18("9","6","2","5","3","3","1") = "8"
    & skf18("9","6","2","5","3","4","1") = "8"
    & skf18("9","6","2","5","3","5","1") = "8"
    & skf18("9","6","2","5","3","6","1") = "8"
    & skf18("9","6","2","5","3","7","1") = "8"
    & skf18("9","6","2","5","3","8","1") = "8"
    & skf18("9","6","2","5","3","9","1") = "8"
    & skf18("9","6","2","5","3","10","1") = "9"
    & skf18("9","6","2","5","4","1","1") = "8"
    & skf18("9","6","2","5","4","2","1") = "8"
    & skf18("9","6","2","5","4","3","1") = "8"
    & skf18("9","6","2","5","4","4","1") = "8"
    & skf18("9","6","2","5","4","5","1") = "8"
    & skf18("9","6","2","5","4","6","1") = "8"
    & skf18("9","6","2","5","4","7","1") = "8"
    & skf18("9","6","2","5","4","8","1") = "8"
    & skf18("9","6","2","5","4","9","1") = "8"
    & skf18("9","6","2","5","4","10","1") = "9"
    & skf18("9","6","2","5","5","1","1") = "8"
    & skf18("9","6","2","5","5","2","1") = "8"
    & skf18("9","6","2","5","5","3","1") = "8"
    & skf18("9","6","2","5","5","4","1") = "8"
    & skf18("9","6","2","5","5","5","1") = "8"
    & skf18("9","6","2","5","5","6","1") = "8"
    & skf18("9","6","2","5","5","7","1") = "8"
    & skf18("9","6","2","5","5","8","1") = "8"
    & skf18("9","6","2","5","5","9","1") = "8"
    & skf18("9","6","2","5","5","10","1") = "9"
    & skf18("9","6","2","5","6","1","1") = "8"
    & skf18("9","6","2","5","6","2","1") = "8"
    & skf18("9","6","2","5","6","3","1") = "8"
    & skf18("9","6","2","5","6","4","1") = "8"
    & skf18("9","6","2","5","6","5","1") = "8"
    & skf18("9","6","2","5","6","6","1") = "8"
    & skf18("9","6","2","5","6","7","1") = "8"
    & skf18("9","6","2","5","6","8","1") = "8"
    & skf18("9","6","2","5","6","9","1") = "8"
    & skf18("9","6","2","5","6","10","1") = "9"
    & skf18("9","6","2","5","7","1","1") = "8"
    & skf18("9","6","2","5","7","2","1") = "8"
    & skf18("9","6","2","5","7","3","1") = "8"
    & skf18("9","6","2","5","7","4","1") = "8"
    & skf18("9","6","2","5","7","5","1") = "8"
    & skf18("9","6","2","5","7","6","1") = "8"
    & skf18("9","6","2","5","7","7","1") = "8"
    & skf18("9","6","2","5","7","8","1") = "8"
    & skf18("9","6","2","5","7","9","1") = "8"
    & skf18("9","6","2","5","7","10","1") = "9"
    & skf18("9","6","2","5","8","1","1") = "8"
    & skf18("9","6","2","5","8","2","1") = "8"
    & skf18("9","6","2","5","8","3","1") = "8"
    & skf18("9","6","2","5","8","4","1") = "8"
    & skf18("9","6","2","5","8","5","1") = "8"
    & skf18("9","6","2","5","8","6","1") = "8"
    & skf18("9","6","2","5","8","7","1") = "8"
    & skf18("9","6","2","5","8","8","1") = "8"
    & skf18("9","6","2","5","8","9","1") = "8"
    & skf18("9","6","2","5","8","10","1") = "9"
    & skf18("9","6","2","5","9","1","1") = "8"
    & skf18("9","6","2","5","9","2","1") = "8"
    & skf18("9","6","2","5","9","3","1") = "8"
    & skf18("9","6","2","5","9","4","1") = "8"
    & skf18("9","6","2","5","9","5","1") = "8"
    & skf18("9","6","2","5","9","6","1") = "8"
    & skf18("9","6","2","5","9","7","1") = "8"
    & skf18("9","6","2","5","9","8","1") = "8"
    & skf18("9","6","2","5","9","9","1") = "8"
    & skf18("9","6","2","5","9","10","1") = "9"
    & skf18("9","6","2","5","10","1","1") = "9"
    & skf18("9","6","2","5","10","2","1") = "9"
    & skf18("9","6","2","5","10","3","1") = "9"
    & skf18("9","6","2","5","10","4","1") = "9"
    & skf18("9","6","2","5","10","5","1") = "9"
    & skf18("9","6","2","5","10","6","1") = "9"
    & skf18("9","6","2","5","10","7","1") = "9"
    & skf18("9","6","2","5","10","8","1") = "9"
    & skf18("9","6","2","5","10","9","1") = "9"
    & skf18("9","6","2","5","10","10","1") = "9"
    & skf18("9","6","2","6","1","1","1") = "8"
    & skf18("9","6","2","6","1","2","1") = "8"
    & skf18("9","6","2","6","1","3","1") = "8"
    & skf18("9","6","2","6","1","4","1") = "8"
    & skf18("9","6","2","6","1","5","1") = "8"
    & skf18("9","6","2","6","1","6","1") = "8"
    & skf18("9","6","2","6","1","7","1") = "8"
    & skf18("9","6","2","6","1","8","1") = "8"
    & skf18("9","6","2","6","1","9","1") = "8"
    & skf18("9","6","2","6","1","10","1") = "9"
    & skf18("9","6","2","6","2","1","1") = "8"
    & skf18("9","6","2","6","2","2","1") = "8"
    & skf18("9","6","2","6","2","3","1") = "8"
    & skf18("9","6","2","6","2","4","1") = "8"
    & skf18("9","6","2","6","2","5","1") = "8"
    & skf18("9","6","2","6","2","6","1") = "8"
    & skf18("9","6","2","6","2","7","1") = "8"
    & skf18("9","6","2","6","2","8","1") = "8"
    & skf18("9","6","2","6","2","9","1") = "8"
    & skf18("9","6","2","6","2","10","1") = "9"
    & skf18("9","6","2","6","3","1","1") = "8"
    & skf18("9","6","2","6","3","2","1") = "8"
    & skf18("9","6","2","6","3","3","1") = "8"
    & skf18("9","6","2","6","3","4","1") = "8"
    & skf18("9","6","2","6","3","5","1") = "8"
    & skf18("9","6","2","6","3","6","1") = "8"
    & skf18("9","6","2","6","3","7","1") = "8"
    & skf18("9","6","2","6","3","8","1") = "8"
    & skf18("9","6","2","6","3","9","1") = "8"
    & skf18("9","6","2","6","3","10","1") = "9"
    & skf18("9","6","2","6","4","1","1") = "8"
    & skf18("9","6","2","6","4","2","1") = "8"
    & skf18("9","6","2","6","4","3","1") = "8"
    & skf18("9","6","2","6","4","4","1") = "8"
    & skf18("9","6","2","6","4","5","1") = "8"
    & skf18("9","6","2","6","4","6","1") = "8"
    & skf18("9","6","2","6","4","7","1") = "8"
    & skf18("9","6","2","6","4","8","1") = "8"
    & skf18("9","6","2","6","4","9","1") = "8"
    & skf18("9","6","2","6","4","10","1") = "9"
    & skf18("9","6","2","6","5","1","1") = "8"
    & skf18("9","6","2","6","5","2","1") = "8"
    & skf18("9","6","2","6","5","3","1") = "8"
    & skf18("9","6","2","6","5","4","1") = "8"
    & skf18("9","6","2","6","5","5","1") = "8"
    & skf18("9","6","2","6","5","6","1") = "8"
    & skf18("9","6","2","6","5","7","1") = "8"
    & skf18("9","6","2","6","5","8","1") = "8"
    & skf18("9","6","2","6","5","9","1") = "8"
    & skf18("9","6","2","6","5","10","1") = "9"
    & skf18("9","6","2","6","6","1","1") = "8"
    & skf18("9","6","2","6","6","2","1") = "8"
    & skf18("9","6","2","6","6","3","1") = "8"
    & skf18("9","6","2","6","6","4","1") = "8"
    & skf18("9","6","2","6","6","5","1") = "8"
    & skf18("9","6","2","6","6","6","1") = "8"
    & skf18("9","6","2","6","6","7","1") = "8"
    & skf18("9","6","2","6","6","8","1") = "8"
    & skf18("9","6","2","6","6","9","1") = "8"
    & skf18("9","6","2","6","6","10","1") = "9"
    & skf18("9","6","2","6","7","1","1") = "8"
    & skf18("9","6","2","6","7","2","1") = "8"
    & skf18("9","6","2","6","7","3","1") = "8"
    & skf18("9","6","2","6","7","4","1") = "8"
    & skf18("9","6","2","6","7","5","1") = "8"
    & skf18("9","6","2","6","7","6","1") = "8"
    & skf18("9","6","2","6","7","7","1") = "8"
    & skf18("9","6","2","6","7","8","1") = "8"
    & skf18("9","6","2","6","7","9","1") = "8"
    & skf18("9","6","2","6","7","10","1") = "9"
    & skf18("9","6","2","6","8","1","1") = "8"
    & skf18("9","6","2","6","8","2","1") = "8"
    & skf18("9","6","2","6","8","3","1") = "8"
    & skf18("9","6","2","6","8","4","1") = "8"
    & skf18("9","6","2","6","8","5","1") = "8"
    & skf18("9","6","2","6","8","6","1") = "8"
    & skf18("9","6","2","6","8","7","1") = "8"
    & skf18("9","6","2","6","8","8","1") = "8"
    & skf18("9","6","2","6","8","9","1") = "8"
    & skf18("9","6","2","6","8","10","1") = "9"
    & skf18("9","6","2","6","9","1","1") = "8"
    & skf18("9","6","2","6","9","2","1") = "8"
    & skf18("9","6","2","6","9","3","1") = "8"
    & skf18("9","6","2","6","9","4","1") = "8"
    & skf18("9","6","2","6","9","5","1") = "8"
    & skf18("9","6","2","6","9","6","1") = "8"
    & skf18("9","6","2","6","9","7","1") = "8"
    & skf18("9","6","2","6","9","8","1") = "8"
    & skf18("9","6","2","6","9","9","1") = "8"
    & skf18("9","6","2","6","9","10","1") = "9"
    & skf18("9","6","2","6","10","1","1") = "9"
    & skf18("9","6","2","6","10","2","1") = "9"
    & skf18("9","6","2","6","10","3","1") = "9"
    & skf18("9","6","2","6","10","4","1") = "9"
    & skf18("9","6","2","6","10","5","1") = "9"
    & skf18("9","6","2","6","10","6","1") = "9"
    & skf18("9","6","2","6","10","7","1") = "9"
    & skf18("9","6","2","6","10","8","1") = "9"
    & skf18("9","6","2","6","10","9","1") = "9"
    & skf18("9","6","2","6","10","10","1") = "9"
    & skf18("9","6","2","7","1","1","1") = "8"
    & skf18("9","6","2","7","1","2","1") = "8"
    & skf18("9","6","2","7","1","3","1") = "8"
    & skf18("9","6","2","7","1","4","1") = "8"
    & skf18("9","6","2","7","1","5","1") = "8"
    & skf18("9","6","2","7","1","6","1") = "8"
    & skf18("9","6","2","7","1","7","1") = "8"
    & skf18("9","6","2","7","1","8","1") = "8"
    & skf18("9","6","2","7","1","9","1") = "8"
    & skf18("9","6","2","7","1","10","1") = "9"
    & skf18("9","6","2","7","2","1","1") = "8"
    & skf18("9","6","2","7","2","2","1") = "8"
    & skf18("9","6","2","7","2","3","1") = "8"
    & skf18("9","6","2","7","2","4","1") = "8"
    & skf18("9","6","2","7","2","5","1") = "8"
    & skf18("9","6","2","7","2","6","1") = "8"
    & skf18("9","6","2","7","2","7","1") = "8"
    & skf18("9","6","2","7","2","8","1") = "8"
    & skf18("9","6","2","7","2","9","1") = "8"
    & skf18("9","6","2","7","2","10","1") = "9"
    & skf18("9","6","2","7","3","1","1") = "8"
    & skf18("9","6","2","7","3","2","1") = "8"
    & skf18("9","6","2","7","3","3","1") = "8"
    & skf18("9","6","2","7","3","4","1") = "8"
    & skf18("9","6","2","7","3","5","1") = "8"
    & skf18("9","6","2","7","3","6","1") = "8"
    & skf18("9","6","2","7","3","7","1") = "8"
    & skf18("9","6","2","7","3","8","1") = "8"
    & skf18("9","6","2","7","3","9","1") = "8"
    & skf18("9","6","2","7","3","10","1") = "9"
    & skf18("9","6","2","7","4","1","1") = "8"
    & skf18("9","6","2","7","4","2","1") = "8"
    & skf18("9","6","2","7","4","3","1") = "8"
    & skf18("9","6","2","7","4","4","1") = "8"
    & skf18("9","6","2","7","4","5","1") = "8"
    & skf18("9","6","2","7","4","6","1") = "8"
    & skf18("9","6","2","7","4","7","1") = "8"
    & skf18("9","6","2","7","4","8","1") = "8"
    & skf18("9","6","2","7","4","9","1") = "8"
    & skf18("9","6","2","7","4","10","1") = "9"
    & skf18("9","6","2","7","5","1","1") = "8"
    & skf18("9","6","2","7","5","2","1") = "8"
    & skf18("9","6","2","7","5","3","1") = "8"
    & skf18("9","6","2","7","5","4","1") = "8"
    & skf18("9","6","2","7","5","5","1") = "8"
    & skf18("9","6","2","7","5","6","1") = "8"
    & skf18("9","6","2","7","5","7","1") = "8"
    & skf18("9","6","2","7","5","8","1") = "8"
    & skf18("9","6","2","7","5","9","1") = "8"
    & skf18("9","6","2","7","5","10","1") = "9"
    & skf18("9","6","2","7","6","1","1") = "8"
    & skf18("9","6","2","7","6","2","1") = "8"
    & skf18("9","6","2","7","6","3","1") = "8"
    & skf18("9","6","2","7","6","4","1") = "8"
    & skf18("9","6","2","7","6","5","1") = "8"
    & skf18("9","6","2","7","6","6","1") = "8"
    & skf18("9","6","2","7","6","7","1") = "8"
    & skf18("9","6","2","7","6","8","1") = "8"
    & skf18("9","6","2","7","6","9","1") = "8"
    & skf18("9","6","2","7","6","10","1") = "9"
    & skf18("9","6","2","7","7","1","1") = "8"
    & skf18("9","6","2","7","7","2","1") = "8"
    & skf18("9","6","2","7","7","3","1") = "8"
    & skf18("9","6","2","7","7","4","1") = "8"
    & skf18("9","6","2","7","7","5","1") = "8"
    & skf18("9","6","2","7","7","6","1") = "8"
    & skf18("9","6","2","7","7","7","1") = "8"
    & skf18("9","6","2","7","7","8","1") = "8"
    & skf18("9","6","2","7","7","9","1") = "8"
    & skf18("9","6","2","7","7","10","1") = "9"
    & skf18("9","6","2","7","8","1","1") = "8"
    & skf18("9","6","2","7","8","2","1") = "8"
    & skf18("9","6","2","7","8","3","1") = "8"
    & skf18("9","6","2","7","8","4","1") = "8"
    & skf18("9","6","2","7","8","5","1") = "8"
    & skf18("9","6","2","7","8","6","1") = "8"
    & skf18("9","6","2","7","8","7","1") = "8"
    & skf18("9","6","2","7","8","8","1") = "8"
    & skf18("9","6","2","7","8","9","1") = "8"
    & skf18("9","6","2","7","8","10","1") = "9"
    & skf18("9","6","2","7","9","1","1") = "8"
    & skf18("9","6","2","7","9","2","1") = "8"
    & skf18("9","6","2","7","9","3","1") = "8"
    & skf18("9","6","2","7","9","4","1") = "8"
    & skf18("9","6","2","7","9","5","1") = "8"
    & skf18("9","6","2","7","9","6","1") = "8"
    & skf18("9","6","2","7","9","7","1") = "8"
    & skf18("9","6","2","7","9","8","1") = "8"
    & skf18("9","6","2","7","9","9","1") = "8"
    & skf18("9","6","2","7","9","10","1") = "9"
    & skf18("9","6","2","7","10","1","1") = "9"
    & skf18("9","6","2","7","10","2","1") = "9"
    & skf18("9","6","2","7","10","3","1") = "9"
    & skf18("9","6","2","7","10","4","1") = "9"
    & skf18("9","6","2","7","10","5","1") = "9"
    & skf18("9","6","2","7","10","6","1") = "9"
    & skf18("9","6","2","7","10","7","1") = "9"
    & skf18("9","6","2","7","10","8","1") = "9"
    & skf18("9","6","2","7","10","9","1") = "9"
    & skf18("9","6","2","7","10","10","1") = "9"
    & skf18("9","6","2","8","1","1","1") = "8"
    & skf18("9","6","2","8","1","2","1") = "8"
    & skf18("9","6","2","8","1","3","1") = "8"
    & skf18("9","6","2","8","1","4","1") = "8"
    & skf18("9","6","2","8","1","5","1") = "8"
    & skf18("9","6","2","8","1","6","1") = "8"
    & skf18("9","6","2","8","1","7","1") = "8"
    & skf18("9","6","2","8","1","8","1") = "8"
    & skf18("9","6","2","8","1","9","1") = "8"
    & skf18("9","6","2","8","1","10","1") = "9"
    & skf18("9","6","2","8","2","1","1") = "8"
    & skf18("9","6","2","8","2","2","1") = "8"
    & skf18("9","6","2","8","2","3","1") = "8"
    & skf18("9","6","2","8","2","4","1") = "8"
    & skf18("9","6","2","8","2","5","1") = "8"
    & skf18("9","6","2","8","2","6","1") = "8"
    & skf18("9","6","2","8","2","7","1") = "8"
    & skf18("9","6","2","8","2","8","1") = "8"
    & skf18("9","6","2","8","2","9","1") = "8"
    & skf18("9","6","2","8","2","10","1") = "9"
    & skf18("9","6","2","8","3","1","1") = "8"
    & skf18("9","6","2","8","3","2","1") = "8"
    & skf18("9","6","2","8","3","3","1") = "8"
    & skf18("9","6","2","8","3","4","1") = "8"
    & skf18("9","6","2","8","3","5","1") = "8"
    & skf18("9","6","2","8","3","6","1") = "8"
    & skf18("9","6","2","8","3","7","1") = "8"
    & skf18("9","6","2","8","3","8","1") = "8"
    & skf18("9","6","2","8","3","9","1") = "8"
    & skf18("9","6","2","8","3","10","1") = "9"
    & skf18("9","6","2","8","4","1","1") = "8"
    & skf18("9","6","2","8","4","2","1") = "8"
    & skf18("9","6","2","8","4","3","1") = "8"
    & skf18("9","6","2","8","4","4","1") = "8"
    & skf18("9","6","2","8","4","5","1") = "8"
    & skf18("9","6","2","8","4","6","1") = "8"
    & skf18("9","6","2","8","4","7","1") = "8"
    & skf18("9","6","2","8","4","8","1") = "8"
    & skf18("9","6","2","8","4","9","1") = "8"
    & skf18("9","6","2","8","4","10","1") = "9"
    & skf18("9","6","2","8","5","1","1") = "8"
    & skf18("9","6","2","8","5","2","1") = "8"
    & skf18("9","6","2","8","5","3","1") = "8"
    & skf18("9","6","2","8","5","4","1") = "8"
    & skf18("9","6","2","8","5","5","1") = "8"
    & skf18("9","6","2","8","5","6","1") = "8"
    & skf18("9","6","2","8","5","7","1") = "8"
    & skf18("9","6","2","8","5","8","1") = "8"
    & skf18("9","6","2","8","5","9","1") = "8"
    & skf18("9","6","2","8","5","10","1") = "9"
    & skf18("9","6","2","8","6","1","1") = "8"
    & skf18("9","6","2","8","6","2","1") = "8"
    & skf18("9","6","2","8","6","3","1") = "8"
    & skf18("9","6","2","8","6","4","1") = "8"
    & skf18("9","6","2","8","6","5","1") = "8"
    & skf18("9","6","2","8","6","6","1") = "8"
    & skf18("9","6","2","8","6","7","1") = "8"
    & skf18("9","6","2","8","6","8","1") = "8"
    & skf18("9","6","2","8","6","9","1") = "8"
    & skf18("9","6","2","8","6","10","1") = "9"
    & skf18("9","6","2","8","7","1","1") = "8"
    & skf18("9","6","2","8","7","2","1") = "8"
    & skf18("9","6","2","8","7","3","1") = "8"
    & skf18("9","6","2","8","7","4","1") = "8"
    & skf18("9","6","2","8","7","5","1") = "8"
    & skf18("9","6","2","8","7","6","1") = "8"
    & skf18("9","6","2","8","7","7","1") = "8"
    & skf18("9","6","2","8","7","8","1") = "8"
    & skf18("9","6","2","8","7","9","1") = "8"
    & skf18("9","6","2","8","7","10","1") = "9"
    & skf18("9","6","2","8","8","1","1") = "8"
    & skf18("9","6","2","8","8","2","1") = "8"
    & skf18("9","6","2","8","8","3","1") = "8"
    & skf18("9","6","2","8","8","4","1") = "8"
    & skf18("9","6","2","8","8","5","1") = "8"
    & skf18("9","6","2","8","8","6","1") = "8"
    & skf18("9","6","2","8","8","7","1") = "8"
    & skf18("9","6","2","8","8","8","1") = "8"
    & skf18("9","6","2","8","8","9","1") = "8"
    & skf18("9","6","2","8","8","10","1") = "9"
    & skf18("9","6","2","8","9","1","1") = "8"
    & skf18("9","6","2","8","9","2","1") = "8"
    & skf18("9","6","2","8","9","3","1") = "8"
    & skf18("9","6","2","8","9","4","1") = "8"
    & skf18("9","6","2","8","9","5","1") = "8"
    & skf18("9","6","2","8","9","6","1") = "8"
    & skf18("9","6","2","8","9","7","1") = "8"
    & skf18("9","6","2","8","9","8","1") = "8"
    & skf18("9","6","2","8","9","9","1") = "8"
    & skf18("9","6","2","8","9","10","1") = "9"
    & skf18("9","6","2","8","10","1","1") = "9"
    & skf18("9","6","2","8","10","2","1") = "9"
    & skf18("9","6","2","8","10","3","1") = "9"
    & skf18("9","6","2","8","10","4","1") = "9"
    & skf18("9","6","2","8","10","5","1") = "9"
    & skf18("9","6","2","8","10","6","1") = "9"
    & skf18("9","6","2","8","10","7","1") = "9"
    & skf18("9","6","2","8","10","8","1") = "9"
    & skf18("9","6","2","8","10","9","1") = "9"
    & skf18("9","6","2","8","10","10","1") = "9"
    & skf18("9","6","2","9","1","1","1") = "8"
    & skf18("9","6","2","9","1","2","1") = "8"
    & skf18("9","6","2","9","1","3","1") = "8"
    & skf18("9","6","2","9","1","4","1") = "8"
    & skf18("9","6","2","9","1","5","1") = "8"
    & skf18("9","6","2","9","1","6","1") = "8"
    & skf18("9","6","2","9","1","7","1") = "8"
    & skf18("9","6","2","9","1","8","1") = "8"
    & skf18("9","6","2","9","1","9","1") = "8"
    & skf18("9","6","2","9","1","10","1") = "9"
    & skf18("9","6","2","9","2","1","1") = "8"
    & skf18("9","6","2","9","2","2","1") = "8"
    & skf18("9","6","2","9","2","3","1") = "8"
    & skf18("9","6","2","9","2","4","1") = "8"
    & skf18("9","6","2","9","2","5","1") = "8"
    & skf18("9","6","2","9","2","6","1") = "8"
    & skf18("9","6","2","9","2","7","1") = "8"
    & skf18("9","6","2","9","2","8","1") = "8"
    & skf18("9","6","2","9","2","9","1") = "8"
    & skf18("9","6","2","9","2","10","1") = "9"
    & skf18("9","6","2","9","3","1","1") = "8"
    & skf18("9","6","2","9","3","2","1") = "8"
    & skf18("9","6","2","9","3","3","1") = "8"
    & skf18("9","6","2","9","3","4","1") = "8"
    & skf18("9","6","2","9","3","5","1") = "8"
    & skf18("9","6","2","9","3","6","1") = "8"
    & skf18("9","6","2","9","3","7","1") = "8"
    & skf18("9","6","2","9","3","8","1") = "8"
    & skf18("9","6","2","9","3","9","1") = "8"
    & skf18("9","6","2","9","3","10","1") = "9"
    & skf18("9","6","2","9","4","1","1") = "8"
    & skf18("9","6","2","9","4","2","1") = "8"
    & skf18("9","6","2","9","4","3","1") = "8"
    & skf18("9","6","2","9","4","4","1") = "8"
    & skf18("9","6","2","9","4","5","1") = "8"
    & skf18("9","6","2","9","4","6","1") = "8"
    & skf18("9","6","2","9","4","7","1") = "8"
    & skf18("9","6","2","9","4","8","1") = "8"
    & skf18("9","6","2","9","4","9","1") = "8"
    & skf18("9","6","2","9","4","10","1") = "9"
    & skf18("9","6","2","9","5","1","1") = "8"
    & skf18("9","6","2","9","5","2","1") = "8"
    & skf18("9","6","2","9","5","3","1") = "8"
    & skf18("9","6","2","9","5","4","1") = "8"
    & skf18("9","6","2","9","5","5","1") = "8"
    & skf18("9","6","2","9","5","6","1") = "8"
    & skf18("9","6","2","9","5","7","1") = "8"
    & skf18("9","6","2","9","5","8","1") = "8"
    & skf18("9","6","2","9","5","9","1") = "8"
    & skf18("9","6","2","9","5","10","1") = "9"
    & skf18("9","6","2","9","6","1","1") = "8"
    & skf18("9","6","2","9","6","2","1") = "8"
    & skf18("9","6","2","9","6","3","1") = "8"
    & skf18("9","6","2","9","6","4","1") = "8"
    & skf18("9","6","2","9","6","5","1") = "8"
    & skf18("9","6","2","9","6","6","1") = "8"
    & skf18("9","6","2","9","6","7","1") = "8"
    & skf18("9","6","2","9","6","8","1") = "8"
    & skf18("9","6","2","9","6","9","1") = "8"
    & skf18("9","6","2","9","6","10","1") = "9"
    & skf18("9","6","2","9","7","1","1") = "8"
    & skf18("9","6","2","9","7","2","1") = "8"
    & skf18("9","6","2","9","7","3","1") = "8"
    & skf18("9","6","2","9","7","4","1") = "8"
    & skf18("9","6","2","9","7","5","1") = "8"
    & skf18("9","6","2","9","7","6","1") = "8"
    & skf18("9","6","2","9","7","7","1") = "8"
    & skf18("9","6","2","9","7","8","1") = "8"
    & skf18("9","6","2","9","7","9","1") = "8"
    & skf18("9","6","2","9","7","10","1") = "9"
    & skf18("9","6","2","9","8","1","1") = "8"
    & skf18("9","6","2","9","8","2","1") = "8"
    & skf18("9","6","2","9","8","3","1") = "8"
    & skf18("9","6","2","9","8","4","1") = "8"
    & skf18("9","6","2","9","8","5","1") = "8"
    & skf18("9","6","2","9","8","6","1") = "8"
    & skf18("9","6","2","9","8","7","1") = "8"
    & skf18("9","6","2","9","8","8","1") = "8"
    & skf18("9","6","2","9","8","9","1") = "8"
    & skf18("9","6","2","9","8","10","1") = "9"
    & skf18("9","6","2","9","9","1","1") = "8"
    & skf18("9","6","2","9","9","2","1") = "8"
    & skf18("9","6","2","9","9","3","1") = "8"
    & skf18("9","6","2","9","9","4","1") = "8"
    & skf18("9","6","2","9","9","5","1") = "8"
    & skf18("9","6","2","9","9","6","1") = "8"
    & skf18("9","6","2","9","9","7","1") = "8"
    & skf18("9","6","2","9","9","8","1") = "8"
    & skf18("9","6","2","9","9","9","1") = "8"
    & skf18("9","6","2","9","9","10","1") = "9"
    & skf18("9","6","2","9","10","1","1") = "9"
    & skf18("9","6","2","9","10","2","1") = "9"
    & skf18("9","6","2","9","10","3","1") = "9"
    & skf18("9","6","2","9","10","4","1") = "9"
    & skf18("9","6","2","9","10","5","1") = "9"
    & skf18("9","6","2","9","10","6","1") = "9"
    & skf18("9","6","2","9","10","7","1") = "9"
    & skf18("9","6","2","9","10","8","1") = "9"
    & skf18("9","6","2","9","10","9","1") = "9"
    & skf18("9","6","2","9","10","10","1") = "9"
    & skf18("9","6","2","10","1","1","1") = "9"
    & skf18("9","6","2","10","1","2","1") = "9"
    & skf18("9","6","2","10","1","3","1") = "9"
    & skf18("9","6","2","10","1","4","1") = "9"
    & skf18("9","6","2","10","1","5","1") = "9"
    & skf18("9","6","2","10","1","6","1") = "9"
    & skf18("9","6","2","10","1","7","1") = "9"
    & skf18("9","6","2","10","1","8","1") = "9"
    & skf18("9","6","2","10","1","9","1") = "9"
    & skf18("9","6","2","10","1","10","1") = "9"
    & skf18("9","6","2","10","2","1","1") = "9"
    & skf18("9","6","2","10","2","2","1") = "9"
    & skf18("9","6","2","10","2","3","1") = "9"
    & skf18("9","6","2","10","2","4","1") = "9"
    & skf18("9","6","2","10","2","5","1") = "9"
    & skf18("9","6","2","10","2","6","1") = "9"
    & skf18("9","6","2","10","2","7","1") = "9"
    & skf18("9","6","2","10","2","8","1") = "9"
    & skf18("9","6","2","10","2","9","1") = "9"
    & skf18("9","6","2","10","2","10","1") = "9"
    & skf18("9","6","2","10","3","1","1") = "9"
    & skf18("9","6","2","10","3","2","1") = "9"
    & skf18("9","6","2","10","3","3","1") = "9"
    & skf18("9","6","2","10","3","4","1") = "9"
    & skf18("9","6","2","10","3","5","1") = "9"
    & skf18("9","6","2","10","3","6","1") = "9"
    & skf18("9","6","2","10","3","7","1") = "9"
    & skf18("9","6","2","10","3","8","1") = "9"
    & skf18("9","6","2","10","3","9","1") = "9"
    & skf18("9","6","2","10","3","10","1") = "9"
    & skf18("9","6","2","10","4","1","1") = "9"
    & skf18("9","6","2","10","4","2","1") = "9"
    & skf18("9","6","2","10","4","3","1") = "9"
    & skf18("9","6","2","10","4","4","1") = "9"
    & skf18("9","6","2","10","4","5","1") = "9"
    & skf18("9","6","2","10","4","6","1") = "9"
    & skf18("9","6","2","10","4","7","1") = "9"
    & skf18("9","6","2","10","4","8","1") = "9"
    & skf18("9","6","2","10","4","9","1") = "9"
    & skf18("9","6","2","10","4","10","1") = "9"
    & skf18("9","6","2","10","5","1","1") = "9"
    & skf18("9","6","2","10","5","2","1") = "9"
    & skf18("9","6","2","10","5","3","1") = "9"
    & skf18("9","6","2","10","5","4","1") = "9"
    & skf18("9","6","2","10","5","5","1") = "9"
    & skf18("9","6","2","10","5","6","1") = "9"
    & skf18("9","6","2","10","5","7","1") = "9"
    & skf18("9","6","2","10","5","8","1") = "9"
    & skf18("9","6","2","10","5","9","1") = "9"
    & skf18("9","6","2","10","5","10","1") = "9"
    & skf18("9","6","2","10","6","1","1") = "9"
    & skf18("9","6","2","10","6","2","1") = "9"
    & skf18("9","6","2","10","6","3","1") = "9"
    & skf18("9","6","2","10","6","4","1") = "9"
    & skf18("9","6","2","10","6","5","1") = "9"
    & skf18("9","6","2","10","6","6","1") = "9"
    & skf18("9","6","2","10","6","7","1") = "9"
    & skf18("9","6","2","10","6","8","1") = "9"
    & skf18("9","6","2","10","6","9","1") = "9"
    & skf18("9","6","2","10","6","10","1") = "9"
    & skf18("9","6","2","10","7","1","1") = "9"
    & skf18("9","6","2","10","7","2","1") = "9"
    & skf18("9","6","2","10","7","3","1") = "9"
    & skf18("9","6","2","10","7","4","1") = "9"
    & skf18("9","6","2","10","7","5","1") = "9"
    & skf18("9","6","2","10","7","6","1") = "9"
    & skf18("9","6","2","10","7","7","1") = "9"
    & skf18("9","6","2","10","7","8","1") = "9"
    & skf18("9","6","2","10","7","9","1") = "9"
    & skf18("9","6","2","10","7","10","1") = "9"
    & skf18("9","6","2","10","8","1","1") = "9"
    & skf18("9","6","2","10","8","2","1") = "9"
    & skf18("9","6","2","10","8","3","1") = "9"
    & skf18("9","6","2","10","8","4","1") = "9"
    & skf18("9","6","2","10","8","5","1") = "9"
    & skf18("9","6","2","10","8","6","1") = "9"
    & skf18("9","6","2","10","8","7","1") = "9"
    & skf18("9","6","2","10","8","8","1") = "9"
    & skf18("9","6","2","10","8","9","1") = "9"
    & skf18("9","6","2","10","8","10","1") = "9"
    & skf18("9","6","2","10","9","1","1") = "9"
    & skf18("9","6","2","10","9","2","1") = "9"
    & skf18("9","6","2","10","9","3","1") = "9"
    & skf18("9","6","2","10","9","4","1") = "9"
    & skf18("9","6","2","10","9","5","1") = "9"
    & skf18("9","6","2","10","9","6","1") = "9"
    & skf18("9","6","2","10","9","7","1") = "9"
    & skf18("9","6","2","10","9","8","1") = "9"
    & skf18("9","6","2","10","9","9","1") = "9"
    & skf18("9","6","2","10","9","10","1") = "9"
    & skf18("9","6","2","10","10","1","1") = "9"
    & skf18("9","6","2","10","10","2","1") = "9"
    & skf18("9","6","2","10","10","3","1") = "9"
    & skf18("9","6","2","10","10","4","1") = "9"
    & skf18("9","6","2","10","10","5","1") = "9"
    & skf18("9","6","2","10","10","6","1") = "9"
    & skf18("9","6","2","10","10","7","1") = "9"
    & skf18("9","6","2","10","10","8","1") = "9"
    & skf18("9","6","2","10","10","9","1") = "9"
    & skf18("9","6","2","10","10","10","1") = "9"
    & skf18("9","6","3","1","1","1","1") = "8"
    & skf18("9","6","3","1","1","2","1") = "8"
    & skf18("9","6","3","1","1","3","1") = "8"
    & skf18("9","6","3","1","1","4","1") = "8"
    & skf18("9","6","3","1","1","5","1") = "8"
    & skf18("9","6","3","1","1","6","1") = "8"
    & skf18("9","6","3","1","1","7","1") = "8"
    & skf18("9","6","3","1","1","8","1") = "8"
    & skf18("9","6","3","1","1","9","1") = "8"
    & skf18("9","6","3","1","1","10","1") = "9"
    & skf18("9","6","3","1","2","1","1") = "8"
    & skf18("9","6","3","1","2","2","1") = "8"
    & skf18("9","6","3","1","2","3","1") = "8"
    & skf18("9","6","3","1","2","4","1") = "8"
    & skf18("9","6","3","1","2","5","1") = "8"
    & skf18("9","6","3","1","2","6","1") = "8"
    & skf18("9","6","3","1","2","7","1") = "8"
    & skf18("9","6","3","1","2","8","1") = "8"
    & skf18("9","6","3","1","2","9","1") = "8"
    & skf18("9","6","3","1","2","10","1") = "9"
    & skf18("9","6","3","1","3","1","1") = "8"
    & skf18("9","6","3","1","3","2","1") = "8"
    & skf18("9","6","3","1","3","3","1") = "8"
    & skf18("9","6","3","1","3","4","1") = "8"
    & skf18("9","6","3","1","3","5","1") = "8"
    & skf18("9","6","3","1","3","6","1") = "8"
    & skf18("9","6","3","1","3","7","1") = "8"
    & skf18("9","6","3","1","3","8","1") = "8"
    & skf18("9","6","3","1","3","9","1") = "8"
    & skf18("9","6","3","1","3","10","1") = "9"
    & skf18("9","6","3","1","4","1","1") = "8"
    & skf18("9","6","3","1","4","2","1") = "8"
    & skf18("9","6","3","1","4","3","1") = "8"
    & skf18("9","6","3","1","4","4","1") = "8"
    & skf18("9","6","3","1","4","5","1") = "8"
    & skf18("9","6","3","1","4","6","1") = "8"
    & skf18("9","6","3","1","4","7","1") = "8"
    & skf18("9","6","3","1","4","8","1") = "8"
    & skf18("9","6","3","1","4","9","1") = "8"
    & skf18("9","6","3","1","4","10","1") = "9"
    & skf18("9","6","3","1","5","1","1") = "8"
    & skf18("9","6","3","1","5","2","1") = "8"
    & skf18("9","6","3","1","5","3","1") = "8"
    & skf18("9","6","3","1","5","4","1") = "8"
    & skf18("9","6","3","1","5","5","1") = "8"
    & skf18("9","6","3","1","5","6","1") = "8"
    & skf18("9","6","3","1","5","7","1") = "8"
    & skf18("9","6","3","1","5","8","1") = "8"
    & skf18("9","6","3","1","5","9","1") = "8"
    & skf18("9","6","3","1","5","10","1") = "9"
    & skf18("9","6","3","1","6","1","1") = "8"
    & skf18("9","6","3","1","6","2","1") = "8"
    & skf18("9","6","3","1","6","3","1") = "8"
    & skf18("9","6","3","1","6","4","1") = "8"
    & skf18("9","6","3","1","6","5","1") = "8"
    & skf18("9","6","3","1","6","6","1") = "8"
    & skf18("9","6","3","1","6","7","1") = "8"
    & skf18("9","6","3","1","6","8","1") = "8"
    & skf18("9","6","3","1","6","9","1") = "8"
    & skf18("9","6","3","1","6","10","1") = "9"
    & skf18("9","6","3","1","7","1","1") = "8"
    & skf18("9","6","3","1","7","2","1") = "8"
    & skf18("9","6","3","1","7","3","1") = "8"
    & skf18("9","6","3","1","7","4","1") = "8"
    & skf18("9","6","3","1","7","5","1") = "8"
    & skf18("9","6","3","1","7","6","1") = "8"
    & skf18("9","6","3","1","7","7","1") = "8"
    & skf18("9","6","3","1","7","8","1") = "8"
    & skf18("9","6","3","1","7","9","1") = "8"
    & skf18("9","6","3","1","7","10","1") = "9"
    & skf18("9","6","3","1","8","1","1") = "8"
    & skf18("9","6","3","1","8","2","1") = "8"
    & skf18("9","6","3","1","8","3","1") = "8"
    & skf18("9","6","3","1","8","4","1") = "8"
    & skf18("9","6","3","1","8","5","1") = "8"
    & skf18("9","6","3","1","8","6","1") = "8"
    & skf18("9","6","3","1","8","7","1") = "8"
    & skf18("9","6","3","1","8","8","1") = "8"
    & skf18("9","6","3","1","8","9","1") = "8"
    & skf18("9","6","3","1","8","10","1") = "9"
    & skf18("9","6","3","1","9","1","1") = "8"
    & skf18("9","6","3","1","9","2","1") = "8"
    & skf18("9","6","3","1","9","3","1") = "8"
    & skf18("9","6","3","1","9","4","1") = "8"
    & skf18("9","6","3","1","9","5","1") = "8"
    & skf18("9","6","3","1","9","6","1") = "8"
    & skf18("9","6","3","1","9","7","1") = "8"
    & skf18("9","6","3","1","9","8","1") = "8"
    & skf18("9","6","3","1","9","9","1") = "8"
    & skf18("9","6","3","1","9","10","1") = "9"
    & skf18("9","6","3","1","10","1","1") = "9"
    & skf18("9","6","3","1","10","2","1") = "9"
    & skf18("9","6","3","1","10","3","1") = "9"
    & skf18("9","6","3","1","10","4","1") = "9"
    & skf18("9","6","3","1","10","5","1") = "9"
    & skf18("9","6","3","1","10","6","1") = "9"
    & skf18("9","6","3","1","10","7","1") = "9"
    & skf18("9","6","3","1","10","8","1") = "9"
    & skf18("9","6","3","1","10","9","1") = "9"
    & skf18("9","6","3","1","10","10","1") = "9"
    & skf18("9","6","3","2","1","1","1") = "8"
    & skf18("9","6","3","2","1","2","1") = "8"
    & skf18("9","6","3","2","1","3","1") = "8"
    & skf18("9","6","3","2","1","4","1") = "8"
    & skf18("9","6","3","2","1","5","1") = "8"
    & skf18("9","6","3","2","1","6","1") = "8"
    & skf18("9","6","3","2","1","7","1") = "8"
    & skf18("9","6","3","2","1","8","1") = "8"
    & skf18("9","6","3","2","1","9","1") = "8"
    & skf18("9","6","3","2","1","10","1") = "9"
    & skf18("9","6","3","2","2","1","1") = "8"
    & skf18("9","6","3","2","2","2","1") = "8"
    & skf18("9","6","3","2","2","3","1") = "8"
    & skf18("9","6","3","2","2","4","1") = "8"
    & skf18("9","6","3","2","2","5","1") = "8"
    & skf18("9","6","3","2","2","6","1") = "8"
    & skf18("9","6","3","2","2","7","1") = "8"
    & skf18("9","6","3","2","2","8","1") = "8"
    & skf18("9","6","3","2","2","9","1") = "8"
    & skf18("9","6","3","2","2","10","1") = "9"
    & skf18("9","6","3","2","3","1","1") = "8"
    & skf18("9","6","3","2","3","2","1") = "8"
    & skf18("9","6","3","2","3","3","1") = "8"
    & skf18("9","6","3","2","3","4","1") = "8"
    & skf18("9","6","3","2","3","5","1") = "8"
    & skf18("9","6","3","2","3","6","1") = "8"
    & skf18("9","6","3","2","3","7","1") = "8"
    & skf18("9","6","3","2","3","8","1") = "8"
    & skf18("9","6","3","2","3","9","1") = "8"
    & skf18("9","6","3","2","3","10","1") = "9"
    & skf18("9","6","3","2","4","1","1") = "8"
    & skf18("9","6","3","2","4","2","1") = "8"
    & skf18("9","6","3","2","4","3","1") = "8"
    & skf18("9","6","3","2","4","4","1") = "8"
    & skf18("9","6","3","2","4","5","1") = "8"
    & skf18("9","6","3","2","4","6","1") = "8"
    & skf18("9","6","3","2","4","7","1") = "8"
    & skf18("9","6","3","2","4","8","1") = "8"
    & skf18("9","6","3","2","4","9","1") = "8"
    & skf18("9","6","3","2","4","10","1") = "9"
    & skf18("9","6","3","2","5","1","1") = "8"
    & skf18("9","6","3","2","5","2","1") = "8"
    & skf18("9","6","3","2","5","3","1") = "8"
    & skf18("9","6","3","2","5","4","1") = "8"
    & skf18("9","6","3","2","5","5","1") = "8"
    & skf18("9","6","3","2","5","6","1") = "8"
    & skf18("9","6","3","2","5","7","1") = "8"
    & skf18("9","6","3","2","5","8","1") = "8"
    & skf18("9","6","3","2","5","9","1") = "8"
    & skf18("9","6","3","2","5","10","1") = "9"
    & skf18("9","6","3","2","6","1","1") = "8"
    & skf18("9","6","3","2","6","2","1") = "8"
    & skf18("9","6","3","2","6","3","1") = "8"
    & skf18("9","6","3","2","6","4","1") = "8"
    & skf18("9","6","3","2","6","5","1") = "8"
    & skf18("9","6","3","2","6","6","1") = "8"
    & skf18("9","6","3","2","6","7","1") = "8"
    & skf18("9","6","3","2","6","8","1") = "8"
    & skf18("9","6","3","2","6","9","1") = "8"
    & skf18("9","6","3","2","6","10","1") = "9"
    & skf18("9","6","3","2","7","1","1") = "8"
    & skf18("9","6","3","2","7","2","1") = "8"
    & skf18("9","6","3","2","7","3","1") = "8"
    & skf18("9","6","3","2","7","4","1") = "8"
    & skf18("9","6","3","2","7","5","1") = "8"
    & skf18("9","6","3","2","7","6","1") = "8"
    & skf18("9","6","3","2","7","7","1") = "8"
    & skf18("9","6","3","2","7","8","1") = "8"
    & skf18("9","6","3","2","7","9","1") = "8"
    & skf18("9","6","3","2","7","10","1") = "9"
    & skf18("9","6","3","2","8","1","1") = "8"
    & skf18("9","6","3","2","8","2","1") = "8"
    & skf18("9","6","3","2","8","3","1") = "8"
    & skf18("9","6","3","2","8","4","1") = "8"
    & skf18("9","6","3","2","8","5","1") = "8"
    & skf18("9","6","3","2","8","6","1") = "8"
    & skf18("9","6","3","2","8","7","1") = "8"
    & skf18("9","6","3","2","8","8","1") = "8"
    & skf18("9","6","3","2","8","9","1") = "8"
    & skf18("9","6","3","2","8","10","1") = "9"
    & skf18("9","6","3","2","9","1","1") = "8"
    & skf18("9","6","3","2","9","2","1") = "8"
    & skf18("9","6","3","2","9","3","1") = "8"
    & skf18("9","6","3","2","9","4","1") = "8"
    & skf18("9","6","3","2","9","5","1") = "8"
    & skf18("9","6","3","2","9","6","1") = "8"
    & skf18("9","6","3","2","9","7","1") = "8"
    & skf18("9","6","3","2","9","8","1") = "8"
    & skf18("9","6","3","2","9","9","1") = "8"
    & skf18("9","6","3","2","9","10","1") = "9"
    & skf18("9","6","3","2","10","1","1") = "9"
    & skf18("9","6","3","2","10","2","1") = "9"
    & skf18("9","6","3","2","10","3","1") = "9"
    & skf18("9","6","3","2","10","4","1") = "9"
    & skf18("9","6","3","2","10","5","1") = "9"
    & skf18("9","6","3","2","10","6","1") = "9"
    & skf18("9","6","3","2","10","7","1") = "9"
    & skf18("9","6","3","2","10","8","1") = "9"
    & skf18("9","6","3","2","10","9","1") = "9"
    & skf18("9","6","3","2","10","10","1") = "9"
    & skf18("9","6","3","3","1","1","1") = "8"
    & skf18("9","6","3","3","1","2","1") = "8"
    & skf18("9","6","3","3","1","3","1") = "8"
    & skf18("9","6","3","3","1","4","1") = "8"
    & skf18("9","6","3","3","1","5","1") = "8"
    & skf18("9","6","3","3","1","6","1") = "8"
    & skf18("9","6","3","3","1","7","1") = "8"
    & skf18("9","6","3","3","1","8","1") = "8"
    & skf18("9","6","3","3","1","9","1") = "8"
    & skf18("9","6","3","3","1","10","1") = "9"
    & skf18("9","6","3","3","2","1","1") = "8"
    & skf18("9","6","3","3","2","2","1") = "8"
    & skf18("9","6","3","3","2","3","1") = "8"
    & skf18("9","6","3","3","2","4","1") = "8"
    & skf18("9","6","3","3","2","5","1") = "8"
    & skf18("9","6","3","3","2","6","1") = "8"
    & skf18("9","6","3","3","2","7","1") = "8"
    & skf18("9","6","3","3","2","8","1") = "8"
    & skf18("9","6","3","3","2","9","1") = "8"
    & skf18("9","6","3","3","2","10","1") = "9"
    & skf18("9","6","3","3","3","1","1") = "8"
    & skf18("9","6","3","3","3","2","1") = "8"
    & skf18("9","6","3","3","3","3","1") = "8"
    & skf18("9","6","3","3","3","4","1") = "8"
    & skf18("9","6","3","3","3","5","1") = "8"
    & skf18("9","6","3","3","3","6","1") = "8"
    & skf18("9","6","3","3","3","7","1") = "8"
    & skf18("9","6","3","3","3","8","1") = "8"
    & skf18("9","6","3","3","3","9","1") = "8"
    & skf18("9","6","3","3","3","10","1") = "9"
    & skf18("9","6","3","3","4","1","1") = "8"
    & skf18("9","6","3","3","4","2","1") = "8"
    & skf18("9","6","3","3","4","3","1") = "8"
    & skf18("9","6","3","3","4","4","1") = "8"
    & skf18("9","6","3","3","4","5","1") = "8"
    & skf18("9","6","3","3","4","6","1") = "8"
    & skf18("9","6","3","3","4","7","1") = "8"
    & skf18("9","6","3","3","4","8","1") = "8"
    & skf18("9","6","3","3","4","9","1") = "8"
    & skf18("9","6","3","3","4","10","1") = "9"
    & skf18("9","6","3","3","5","1","1") = "8"
    & skf18("9","6","3","3","5","2","1") = "8"
    & skf18("9","6","3","3","5","3","1") = "8"
    & skf18("9","6","3","3","5","4","1") = "8"
    & skf18("9","6","3","3","5","5","1") = "8"
    & skf18("9","6","3","3","5","6","1") = "8"
    & skf18("9","6","3","3","5","7","1") = "8"
    & skf18("9","6","3","3","5","8","1") = "8"
    & skf18("9","6","3","3","5","9","1") = "8"
    & skf18("9","6","3","3","5","10","1") = "9"
    & skf18("9","6","3","3","6","1","1") = "8"
    & skf18("9","6","3","3","6","2","1") = "8"
    & skf18("9","6","3","3","6","3","1") = "8"
    & skf18("9","6","3","3","6","4","1") = "8"
    & skf18("9","6","3","3","6","5","1") = "8"
    & skf18("9","6","3","3","6","6","1") = "8"
    & skf18("9","6","3","3","6","7","1") = "8"
    & skf18("9","6","3","3","6","8","1") = "8"
    & skf18("9","6","3","3","6","9","1") = "8"
    & skf18("9","6","3","3","6","10","1") = "9"
    & skf18("9","6","3","3","7","1","1") = "8"
    & skf18("9","6","3","3","7","2","1") = "8"
    & skf18("9","6","3","3","7","3","1") = "8"
    & skf18("9","6","3","3","7","4","1") = "8"
    & skf18("9","6","3","3","7","5","1") = "8"
    & skf18("9","6","3","3","7","6","1") = "8"
    & skf18("9","6","3","3","7","7","1") = "8"
    & skf18("9","6","3","3","7","8","1") = "8"
    & skf18("9","6","3","3","7","9","1") = "8"
    & skf18("9","6","3","3","7","10","1") = "9"
    & skf18("9","6","3","3","8","1","1") = "8"
    & skf18("9","6","3","3","8","2","1") = "8"
    & skf18("9","6","3","3","8","3","1") = "8"
    & skf18("9","6","3","3","8","4","1") = "8"
    & skf18("9","6","3","3","8","5","1") = "8"
    & skf18("9","6","3","3","8","6","1") = "8"
    & skf18("9","6","3","3","8","7","1") = "8"
    & skf18("9","6","3","3","8","8","1") = "8"
    & skf18("9","6","3","3","8","9","1") = "8"
    & skf18("9","6","3","3","8","10","1") = "9"
    & skf18("9","6","3","3","9","1","1") = "8"
    & skf18("9","6","3","3","9","2","1") = "8"
    & skf18("9","6","3","3","9","3","1") = "8"
    & skf18("9","6","3","3","9","4","1") = "8"
    & skf18("9","6","3","3","9","5","1") = "8"
    & skf18("9","6","3","3","9","6","1") = "8"
    & skf18("9","6","3","3","9","7","1") = "8"
    & skf18("9","6","3","3","9","8","1") = "8"
    & skf18("9","6","3","3","9","9","1") = "8"
    & skf18("9","6","3","3","9","10","1") = "9"
    & skf18("9","6","3","3","10","1","1") = "9"
    & skf18("9","6","3","3","10","2","1") = "9"
    & skf18("9","6","3","3","10","3","1") = "9"
    & skf18("9","6","3","3","10","4","1") = "9"
    & skf18("9","6","3","3","10","5","1") = "9"
    & skf18("9","6","3","3","10","6","1") = "9"
    & skf18("9","6","3","3","10","7","1") = "9"
    & skf18("9","6","3","3","10","8","1") = "9"
    & skf18("9","6","3","3","10","9","1") = "9"
    & skf18("9","6","3","3","10","10","1") = "9"
    & skf18("9","6","3","4","1","1","1") = "8"
    & skf18("9","6","3","4","1","2","1") = "8"
    & skf18("9","6","3","4","1","3","1") = "8"
    & skf18("9","6","3","4","1","4","1") = "8"
    & skf18("9","6","3","4","1","5","1") = "8"
    & skf18("9","6","3","4","1","6","1") = "8"
    & skf18("9","6","3","4","1","7","1") = "8"
    & skf18("9","6","3","4","1","8","1") = "8"
    & skf18("9","6","3","4","1","9","1") = "8"
    & skf18("9","6","3","4","1","10","1") = "9"
    & skf18("9","6","3","4","2","1","1") = "8"
    & skf18("9","6","3","4","2","2","1") = "8"
    & skf18("9","6","3","4","2","3","1") = "8"
    & skf18("9","6","3","4","2","4","1") = "8"
    & skf18("9","6","3","4","2","5","1") = "8"
    & skf18("9","6","3","4","2","6","1") = "8"
    & skf18("9","6","3","4","2","7","1") = "8"
    & skf18("9","6","3","4","2","8","1") = "8"
    & skf18("9","6","3","4","2","9","1") = "8"
    & skf18("9","6","3","4","2","10","1") = "9"
    & skf18("9","6","3","4","3","1","1") = "8"
    & skf18("9","6","3","4","3","2","1") = "8"
    & skf18("9","6","3","4","3","3","1") = "8"
    & skf18("9","6","3","4","3","4","1") = "8"
    & skf18("9","6","3","4","3","5","1") = "8"
    & skf18("9","6","3","4","3","6","1") = "8"
    & skf18("9","6","3","4","3","7","1") = "8"
    & skf18("9","6","3","4","3","8","1") = "8"
    & skf18("9","6","3","4","3","9","1") = "8"
    & skf18("9","6","3","4","3","10","1") = "9"
    & skf18("9","6","3","4","4","1","1") = "8"
    & skf18("9","6","3","4","4","2","1") = "8"
    & skf18("9","6","3","4","4","3","1") = "8"
    & skf18("9","6","3","4","4","4","1") = "8"
    & skf18("9","6","3","4","4","5","1") = "8"
    & skf18("9","6","3","4","4","6","1") = "8"
    & skf18("9","6","3","4","4","7","1") = "8"
    & skf18("9","6","3","4","4","8","1") = "8"
    & skf18("9","6","3","4","4","9","1") = "8"
    & skf18("9","6","3","4","4","10","1") = "9"
    & skf18("9","6","3","4","5","1","1") = "8"
    & skf18("9","6","3","4","5","2","1") = "8"
    & skf18("9","6","3","4","5","3","1") = "8"
    & skf18("9","6","3","4","5","4","1") = "8"
    & skf18("9","6","3","4","5","5","1") = "8"
    & skf18("9","6","3","4","5","6","1") = "8"
    & skf18("9","6","3","4","5","7","1") = "8"
    & skf18("9","6","3","4","5","8","1") = "8"
    & skf18("9","6","3","4","5","9","1") = "8"
    & skf18("9","6","3","4","5","10","1") = "9"
    & skf18("9","6","3","4","6","1","1") = "8"
    & skf18("9","6","3","4","6","2","1") = "8"
    & skf18("9","6","3","4","6","3","1") = "8"
    & skf18("9","6","3","4","6","4","1") = "8"
    & skf18("9","6","3","4","6","5","1") = "8"
    & skf18("9","6","3","4","6","6","1") = "8"
    & skf18("9","6","3","4","6","7","1") = "8"
    & skf18("9","6","3","4","6","8","1") = "8"
    & skf18("9","6","3","4","6","9","1") = "8"
    & skf18("9","6","3","4","6","10","1") = "9"
    & skf18("9","6","3","4","7","1","1") = "8"
    & skf18("9","6","3","4","7","2","1") = "8"
    & skf18("9","6","3","4","7","3","1") = "8"
    & skf18("9","6","3","4","7","4","1") = "8"
    & skf18("9","6","3","4","7","5","1") = "8"
    & skf18("9","6","3","4","7","6","1") = "8"
    & skf18("9","6","3","4","7","7","1") = "8"
    & skf18("9","6","3","4","7","8","1") = "8"
    & skf18("9","6","3","4","7","9","1") = "8"
    & skf18("9","6","3","4","7","10","1") = "9"
    & skf18("9","6","3","4","8","1","1") = "8"
    & skf18("9","6","3","4","8","2","1") = "8"
    & skf18("9","6","3","4","8","3","1") = "8"
    & skf18("9","6","3","4","8","4","1") = "8"
    & skf18("9","6","3","4","8","5","1") = "8"
    & skf18("9","6","3","4","8","6","1") = "8"
    & skf18("9","6","3","4","8","7","1") = "8"
    & skf18("9","6","3","4","8","8","1") = "8"
    & skf18("9","6","3","4","8","9","1") = "8"
    & skf18("9","6","3","4","8","10","1") = "9"
    & skf18("9","6","3","4","9","1","1") = "8"
    & skf18("9","6","3","4","9","2","1") = "8"
    & skf18("9","6","3","4","9","3","1") = "8"
    & skf18("9","6","3","4","9","4","1") = "8"
    & skf18("9","6","3","4","9","5","1") = "8"
    & skf18("9","6","3","4","9","6","1") = "8"
    & skf18("9","6","3","4","9","7","1") = "8"
    & skf18("9","6","3","4","9","8","1") = "8"
    & skf18("9","6","3","4","9","9","1") = "8"
    & skf18("9","6","3","4","9","10","1") = "9"
    & skf18("9","6","3","4","10","1","1") = "9"
    & skf18("9","6","3","4","10","2","1") = "9"
    & skf18("9","6","3","4","10","3","1") = "9"
    & skf18("9","6","3","4","10","4","1") = "9"
    & skf18("9","6","3","4","10","5","1") = "9"
    & skf18("9","6","3","4","10","6","1") = "9"
    & skf18("9","6","3","4","10","7","1") = "9"
    & skf18("9","6","3","4","10","8","1") = "9"
    & skf18("9","6","3","4","10","9","1") = "9"
    & skf18("9","6","3","4","10","10","1") = "9"
    & skf18("9","6","3","5","1","1","1") = "8"
    & skf18("9","6","3","5","1","2","1") = "8"
    & skf18("9","6","3","5","1","3","1") = "8"
    & skf18("9","6","3","5","1","4","1") = "8"
    & skf18("9","6","3","5","1","5","1") = "8"
    & skf18("9","6","3","5","1","6","1") = "8"
    & skf18("9","6","3","5","1","7","1") = "8"
    & skf18("9","6","3","5","1","8","1") = "8"
    & skf18("9","6","3","5","1","9","1") = "8"
    & skf18("9","6","3","5","1","10","1") = "9"
    & skf18("9","6","3","5","2","1","1") = "8"
    & skf18("9","6","3","5","2","2","1") = "8"
    & skf18("9","6","3","5","2","3","1") = "8"
    & skf18("9","6","3","5","2","4","1") = "8"
    & skf18("9","6","3","5","2","5","1") = "8"
    & skf18("9","6","3","5","2","6","1") = "8"
    & skf18("9","6","3","5","2","7","1") = "8"
    & skf18("9","6","3","5","2","8","1") = "8"
    & skf18("9","6","3","5","2","9","1") = "8"
    & skf18("9","6","3","5","2","10","1") = "9"
    & skf18("9","6","3","5","3","1","1") = "8"
    & skf18("9","6","3","5","3","2","1") = "8"
    & skf18("9","6","3","5","3","3","1") = "8"
    & skf18("9","6","3","5","3","4","1") = "8"
    & skf18("9","6","3","5","3","5","1") = "8"
    & skf18("9","6","3","5","3","6","1") = "8"
    & skf18("9","6","3","5","3","7","1") = "8"
    & skf18("9","6","3","5","3","8","1") = "8"
    & skf18("9","6","3","5","3","9","1") = "8"
    & skf18("9","6","3","5","3","10","1") = "9"
    & skf18("9","6","3","5","4","1","1") = "8"
    & skf18("9","6","3","5","4","2","1") = "8"
    & skf18("9","6","3","5","4","3","1") = "8"
    & skf18("9","6","3","5","4","4","1") = "8"
    & skf18("9","6","3","5","4","5","1") = "8"
    & skf18("9","6","3","5","4","6","1") = "8"
    & skf18("9","6","3","5","4","7","1") = "8"
    & skf18("9","6","3","5","4","8","1") = "8"
    & skf18("9","6","3","5","4","9","1") = "8"
    & skf18("9","6","3","5","4","10","1") = "9"
    & skf18("9","6","3","5","5","1","1") = "8"
    & skf18("9","6","3","5","5","2","1") = "8"
    & skf18("9","6","3","5","5","3","1") = "8"
    & skf18("9","6","3","5","5","4","1") = "8"
    & skf18("9","6","3","5","5","5","1") = "8"
    & skf18("9","6","3","5","5","6","1") = "8"
    & skf18("9","6","3","5","5","7","1") = "8"
    & skf18("9","6","3","5","5","8","1") = "8"
    & skf18("9","6","3","5","5","9","1") = "8"
    & skf18("9","6","3","5","5","10","1") = "9"
    & skf18("9","6","3","5","6","1","1") = "8"
    & skf18("9","6","3","5","6","2","1") = "8"
    & skf18("9","6","3","5","6","3","1") = "8"
    & skf18("9","6","3","5","6","4","1") = "8"
    & skf18("9","6","3","5","6","5","1") = "8"
    & skf18("9","6","3","5","6","6","1") = "8"
    & skf18("9","6","3","5","6","7","1") = "8"
    & skf18("9","6","3","5","6","8","1") = "8"
    & skf18("9","6","3","5","6","9","1") = "8"
    & skf18("9","6","3","5","6","10","1") = "9"
    & skf18("9","6","3","5","7","1","1") = "8"
    & skf18("9","6","3","5","7","2","1") = "8"
    & skf18("9","6","3","5","7","3","1") = "8"
    & skf18("9","6","3","5","7","4","1") = "8"
    & skf18("9","6","3","5","7","5","1") = "8"
    & skf18("9","6","3","5","7","6","1") = "8"
    & skf18("9","6","3","5","7","7","1") = "8"
    & skf18("9","6","3","5","7","8","1") = "8"
    & skf18("9","6","3","5","7","9","1") = "8"
    & skf18("9","6","3","5","7","10","1") = "9"
    & skf18("9","6","3","5","8","1","1") = "8"
    & skf18("9","6","3","5","8","2","1") = "8"
    & skf18("9","6","3","5","8","3","1") = "8"
    & skf18("9","6","3","5","8","4","1") = "8"
    & skf18("9","6","3","5","8","5","1") = "8"
    & skf18("9","6","3","5","8","6","1") = "8"
    & skf18("9","6","3","5","8","7","1") = "8"
    & skf18("9","6","3","5","8","8","1") = "8"
    & skf18("9","6","3","5","8","9","1") = "8"
    & skf18("9","6","3","5","8","10","1") = "9"
    & skf18("9","6","3","5","9","1","1") = "8"
    & skf18("9","6","3","5","9","2","1") = "8"
    & skf18("9","6","3","5","9","3","1") = "8"
    & skf18("9","6","3","5","9","4","1") = "8"
    & skf18("9","6","3","5","9","5","1") = "8"
    & skf18("9","6","3","5","9","6","1") = "8"
    & skf18("9","6","3","5","9","7","1") = "8"
    & skf18("9","6","3","5","9","8","1") = "8"
    & skf18("9","6","3","5","9","9","1") = "8"
    & skf18("9","6","3","5","9","10","1") = "9"
    & skf18("9","6","3","5","10","1","1") = "9"
    & skf18("9","6","3","5","10","2","1") = "9"
    & skf18("9","6","3","5","10","3","1") = "9"
    & skf18("9","6","3","5","10","4","1") = "9"
    & skf18("9","6","3","5","10","5","1") = "9"
    & skf18("9","6","3","5","10","6","1") = "9"
    & skf18("9","6","3","5","10","7","1") = "9"
    & skf18("9","6","3","5","10","8","1") = "9"
    & skf18("9","6","3","5","10","9","1") = "9"
    & skf18("9","6","3","5","10","10","1") = "9"
    & skf18("9","6","3","6","1","1","1") = "8"
    & skf18("9","6","3","6","1","2","1") = "8"
    & skf18("9","6","3","6","1","3","1") = "8"
    & skf18("9","6","3","6","1","4","1") = "8"
    & skf18("9","6","3","6","1","5","1") = "8"
    & skf18("9","6","3","6","1","6","1") = "8"
    & skf18("9","6","3","6","1","7","1") = "8"
    & skf18("9","6","3","6","1","8","1") = "8"
    & skf18("9","6","3","6","1","9","1") = "8"
    & skf18("9","6","3","6","1","10","1") = "9"
    & skf18("9","6","3","6","2","1","1") = "8"
    & skf18("9","6","3","6","2","2","1") = "8"
    & skf18("9","6","3","6","2","3","1") = "8"
    & skf18("9","6","3","6","2","4","1") = "8"
    & skf18("9","6","3","6","2","5","1") = "8"
    & skf18("9","6","3","6","2","6","1") = "8"
    & skf18("9","6","3","6","2","7","1") = "8"
    & skf18("9","6","3","6","2","8","1") = "8"
    & skf18("9","6","3","6","2","9","1") = "8"
    & skf18("9","6","3","6","2","10","1") = "9"
    & skf18("9","6","3","6","3","1","1") = "8"
    & skf18("9","6","3","6","3","2","1") = "8"
    & skf18("9","6","3","6","3","3","1") = "8"
    & skf18("9","6","3","6","3","4","1") = "8"
    & skf18("9","6","3","6","3","5","1") = "8"
    & skf18("9","6","3","6","3","6","1") = "8"
    & skf18("9","6","3","6","3","7","1") = "8"
    & skf18("9","6","3","6","3","8","1") = "8"
    & skf18("9","6","3","6","3","9","1") = "8"
    & skf18("9","6","3","6","3","10","1") = "9"
    & skf18("9","6","3","6","4","1","1") = "8"
    & skf18("9","6","3","6","4","2","1") = "8"
    & skf18("9","6","3","6","4","3","1") = "8"
    & skf18("9","6","3","6","4","4","1") = "8"
    & skf18("9","6","3","6","4","5","1") = "8"
    & skf18("9","6","3","6","4","6","1") = "8"
    & skf18("9","6","3","6","4","7","1") = "8"
    & skf18("9","6","3","6","4","8","1") = "8"
    & skf18("9","6","3","6","4","9","1") = "8"
    & skf18("9","6","3","6","4","10","1") = "9"
    & skf18("9","6","3","6","5","1","1") = "8"
    & skf18("9","6","3","6","5","2","1") = "8"
    & skf18("9","6","3","6","5","3","1") = "8"
    & skf18("9","6","3","6","5","4","1") = "8"
    & skf18("9","6","3","6","5","5","1") = "8"
    & skf18("9","6","3","6","5","6","1") = "8"
    & skf18("9","6","3","6","5","7","1") = "8"
    & skf18("9","6","3","6","5","8","1") = "8"
    & skf18("9","6","3","6","5","9","1") = "8"
    & skf18("9","6","3","6","5","10","1") = "9"
    & skf18("9","6","3","6","6","1","1") = "8"
    & skf18("9","6","3","6","6","2","1") = "8"
    & skf18("9","6","3","6","6","3","1") = "8"
    & skf18("9","6","3","6","6","4","1") = "8"
    & skf18("9","6","3","6","6","5","1") = "8"
    & skf18("9","6","3","6","6","6","1") = "8"
    & skf18("9","6","3","6","6","7","1") = "8"
    & skf18("9","6","3","6","6","8","1") = "8"
    & skf18("9","6","3","6","6","9","1") = "8"
    & skf18("9","6","3","6","6","10","1") = "9"
    & skf18("9","6","3","6","7","1","1") = "8"
    & skf18("9","6","3","6","7","2","1") = "8"
    & skf18("9","6","3","6","7","3","1") = "8"
    & skf18("9","6","3","6","7","4","1") = "8"
    & skf18("9","6","3","6","7","5","1") = "8"
    & skf18("9","6","3","6","7","6","1") = "8"
    & skf18("9","6","3","6","7","7","1") = "8"
    & skf18("9","6","3","6","7","8","1") = "8"
    & skf18("9","6","3","6","7","9","1") = "8"
    & skf18("9","6","3","6","7","10","1") = "9"
    & skf18("9","6","3","6","8","1","1") = "8"
    & skf18("9","6","3","6","8","2","1") = "8"
    & skf18("9","6","3","6","8","3","1") = "8"
    & skf18("9","6","3","6","8","4","1") = "8"
    & skf18("9","6","3","6","8","5","1") = "8"
    & skf18("9","6","3","6","8","6","1") = "8"
    & skf18("9","6","3","6","8","7","1") = "8"
    & skf18("9","6","3","6","8","8","1") = "8"
    & skf18("9","6","3","6","8","9","1") = "8"
    & skf18("9","6","3","6","8","10","1") = "9"
    & skf18("9","6","3","6","9","1","1") = "8"
    & skf18("9","6","3","6","9","2","1") = "8"
    & skf18("9","6","3","6","9","3","1") = "8"
    & skf18("9","6","3","6","9","4","1") = "8"
    & skf18("9","6","3","6","9","5","1") = "8"
    & skf18("9","6","3","6","9","6","1") = "8"
    & skf18("9","6","3","6","9","7","1") = "8"
    & skf18("9","6","3","6","9","8","1") = "8"
    & skf18("9","6","3","6","9","9","1") = "8"
    & skf18("9","6","3","6","9","10","1") = "9"
    & skf18("9","6","3","6","10","1","1") = "9"
    & skf18("9","6","3","6","10","2","1") = "9"
    & skf18("9","6","3","6","10","3","1") = "9"
    & skf18("9","6","3","6","10","4","1") = "9"
    & skf18("9","6","3","6","10","5","1") = "9"
    & skf18("9","6","3","6","10","6","1") = "9"
    & skf18("9","6","3","6","10","7","1") = "9"
    & skf18("9","6","3","6","10","8","1") = "9"
    & skf18("9","6","3","6","10","9","1") = "9"
    & skf18("9","6","3","6","10","10","1") = "9"
    & skf18("9","6","3","7","1","1","1") = "8"
    & skf18("9","6","3","7","1","2","1") = "8"
    & skf18("9","6","3","7","1","3","1") = "8"
    & skf18("9","6","3","7","1","4","1") = "8"
    & skf18("9","6","3","7","1","5","1") = "8"
    & skf18("9","6","3","7","1","6","1") = "8"
    & skf18("9","6","3","7","1","7","1") = "8"
    & skf18("9","6","3","7","1","8","1") = "8"
    & skf18("9","6","3","7","1","9","1") = "8"
    & skf18("9","6","3","7","1","10","1") = "9"
    & skf18("9","6","3","7","2","1","1") = "8"
    & skf18("9","6","3","7","2","2","1") = "8"
    & skf18("9","6","3","7","2","3","1") = "8"
    & skf18("9","6","3","7","2","4","1") = "8"
    & skf18("9","6","3","7","2","5","1") = "8"
    & skf18("9","6","3","7","2","6","1") = "8"
    & skf18("9","6","3","7","2","7","1") = "8"
    & skf18("9","6","3","7","2","8","1") = "8"
    & skf18("9","6","3","7","2","9","1") = "8"
    & skf18("9","6","3","7","2","10","1") = "9"
    & skf18("9","6","3","7","3","1","1") = "8"
    & skf18("9","6","3","7","3","2","1") = "8"
    & skf18("9","6","3","7","3","3","1") = "8"
    & skf18("9","6","3","7","3","4","1") = "8"
    & skf18("9","6","3","7","3","5","1") = "8"
    & skf18("9","6","3","7","3","6","1") = "8"
    & skf18("9","6","3","7","3","7","1") = "8"
    & skf18("9","6","3","7","3","8","1") = "8"
    & skf18("9","6","3","7","3","9","1") = "8"
    & skf18("9","6","3","7","3","10","1") = "9"
    & skf18("9","6","3","7","4","1","1") = "8"
    & skf18("9","6","3","7","4","2","1") = "8"
    & skf18("9","6","3","7","4","3","1") = "8"
    & skf18("9","6","3","7","4","4","1") = "8"
    & skf18("9","6","3","7","4","5","1") = "8"
    & skf18("9","6","3","7","4","6","1") = "8"
    & skf18("9","6","3","7","4","7","1") = "8"
    & skf18("9","6","3","7","4","8","1") = "8"
    & skf18("9","6","3","7","4","9","1") = "8"
    & skf18("9","6","3","7","4","10","1") = "9"
    & skf18("9","6","3","7","5","1","1") = "8"
    & skf18("9","6","3","7","5","2","1") = "8"
    & skf18("9","6","3","7","5","3","1") = "8"
    & skf18("9","6","3","7","5","4","1") = "8"
    & skf18("9","6","3","7","5","5","1") = "8"
    & skf18("9","6","3","7","5","6","1") = "8"
    & skf18("9","6","3","7","5","7","1") = "8"
    & skf18("9","6","3","7","5","8","1") = "8"
    & skf18("9","6","3","7","5","9","1") = "8"
    & skf18("9","6","3","7","5","10","1") = "9"
    & skf18("9","6","3","7","6","1","1") = "8"
    & skf18("9","6","3","7","6","2","1") = "8"
    & skf18("9","6","3","7","6","3","1") = "8"
    & skf18("9","6","3","7","6","4","1") = "8"
    & skf18("9","6","3","7","6","5","1") = "8"
    & skf18("9","6","3","7","6","6","1") = "8"
    & skf18("9","6","3","7","6","7","1") = "8"
    & skf18("9","6","3","7","6","8","1") = "8"
    & skf18("9","6","3","7","6","9","1") = "8"
    & skf18("9","6","3","7","6","10","1") = "9"
    & skf18("9","6","3","7","7","1","1") = "8"
    & skf18("9","6","3","7","7","2","1") = "8"
    & skf18("9","6","3","7","7","3","1") = "8"
    & skf18("9","6","3","7","7","4","1") = "8"
    & skf18("9","6","3","7","7","5","1") = "8"
    & skf18("9","6","3","7","7","6","1") = "8"
    & skf18("9","6","3","7","7","7","1") = "8"
    & skf18("9","6","3","7","7","8","1") = "8"
    & skf18("9","6","3","7","7","9","1") = "8"
    & skf18("9","6","3","7","7","10","1") = "9"
    & skf18("9","6","3","7","8","1","1") = "8"
    & skf18("9","6","3","7","8","2","1") = "8"
    & skf18("9","6","3","7","8","3","1") = "8"
    & skf18("9","6","3","7","8","4","1") = "8"
    & skf18("9","6","3","7","8","5","1") = "8"
    & skf18("9","6","3","7","8","6","1") = "8"
    & skf18("9","6","3","7","8","7","1") = "8"
    & skf18("9","6","3","7","8","8","1") = "8"
    & skf18("9","6","3","7","8","9","1") = "8"
    & skf18("9","6","3","7","8","10","1") = "9"
    & skf18("9","6","3","7","9","1","1") = "8"
    & skf18("9","6","3","7","9","2","1") = "8"
    & skf18("9","6","3","7","9","3","1") = "8"
    & skf18("9","6","3","7","9","4","1") = "8"
    & skf18("9","6","3","7","9","5","1") = "8"
    & skf18("9","6","3","7","9","6","1") = "8"
    & skf18("9","6","3","7","9","7","1") = "8"
    & skf18("9","6","3","7","9","8","1") = "8"
    & skf18("9","6","3","7","9","9","1") = "8"
    & skf18("9","6","3","7","9","10","1") = "9"
    & skf18("9","6","3","7","10","1","1") = "9"
    & skf18("9","6","3","7","10","2","1") = "9"
    & skf18("9","6","3","7","10","3","1") = "9"
    & skf18("9","6","3","7","10","4","1") = "9"
    & skf18("9","6","3","7","10","5","1") = "9"
    & skf18("9","6","3","7","10","6","1") = "9"
    & skf18("9","6","3","7","10","7","1") = "9"
    & skf18("9","6","3","7","10","8","1") = "9"
    & skf18("9","6","3","7","10","9","1") = "9"
    & skf18("9","6","3","7","10","10","1") = "9"
    & skf18("9","6","3","8","1","1","1") = "8"
    & skf18("9","6","3","8","1","2","1") = "8"
    & skf18("9","6","3","8","1","3","1") = "8"
    & skf18("9","6","3","8","1","4","1") = "8"
    & skf18("9","6","3","8","1","5","1") = "8"
    & skf18("9","6","3","8","1","6","1") = "8"
    & skf18("9","6","3","8","1","7","1") = "8"
    & skf18("9","6","3","8","1","8","1") = "8"
    & skf18("9","6","3","8","1","9","1") = "8"
    & skf18("9","6","3","8","1","10","1") = "9"
    & skf18("9","6","3","8","2","1","1") = "8"
    & skf18("9","6","3","8","2","2","1") = "8"
    & skf18("9","6","3","8","2","3","1") = "8"
    & skf18("9","6","3","8","2","4","1") = "8"
    & skf18("9","6","3","8","2","5","1") = "8"
    & skf18("9","6","3","8","2","6","1") = "8"
    & skf18("9","6","3","8","2","7","1") = "8"
    & skf18("9","6","3","8","2","8","1") = "8"
    & skf18("9","6","3","8","2","9","1") = "8"
    & skf18("9","6","3","8","2","10","1") = "9"
    & skf18("9","6","3","8","3","1","1") = "8"
    & skf18("9","6","3","8","3","2","1") = "8"
    & skf18("9","6","3","8","3","3","1") = "8"
    & skf18("9","6","3","8","3","4","1") = "8"
    & skf18("9","6","3","8","3","5","1") = "8"
    & skf18("9","6","3","8","3","6","1") = "8"
    & skf18("9","6","3","8","3","7","1") = "8"
    & skf18("9","6","3","8","3","8","1") = "8"
    & skf18("9","6","3","8","3","9","1") = "8"
    & skf18("9","6","3","8","3","10","1") = "9"
    & skf18("9","6","3","8","4","1","1") = "8"
    & skf18("9","6","3","8","4","2","1") = "8"
    & skf18("9","6","3","8","4","3","1") = "8"
    & skf18("9","6","3","8","4","4","1") = "8"
    & skf18("9","6","3","8","4","5","1") = "8"
    & skf18("9","6","3","8","4","6","1") = "8"
    & skf18("9","6","3","8","4","7","1") = "8"
    & skf18("9","6","3","8","4","8","1") = "8"
    & skf18("9","6","3","8","4","9","1") = "8"
    & skf18("9","6","3","8","4","10","1") = "9"
    & skf18("9","6","3","8","5","1","1") = "8"
    & skf18("9","6","3","8","5","2","1") = "8"
    & skf18("9","6","3","8","5","3","1") = "8"
    & skf18("9","6","3","8","5","4","1") = "8"
    & skf18("9","6","3","8","5","5","1") = "8"
    & skf18("9","6","3","8","5","6","1") = "8"
    & skf18("9","6","3","8","5","7","1") = "8"
    & skf18("9","6","3","8","5","8","1") = "8"
    & skf18("9","6","3","8","5","9","1") = "8"
    & skf18("9","6","3","8","5","10","1") = "9"
    & skf18("9","6","3","8","6","1","1") = "8"
    & skf18("9","6","3","8","6","2","1") = "8"
    & skf18("9","6","3","8","6","3","1") = "8"
    & skf18("9","6","3","8","6","4","1") = "8"
    & skf18("9","6","3","8","6","5","1") = "8"
    & skf18("9","6","3","8","6","6","1") = "8"
    & skf18("9","6","3","8","6","7","1") = "8"
    & skf18("9","6","3","8","6","8","1") = "8"
    & skf18("9","6","3","8","6","9","1") = "8"
    & skf18("9","6","3","8","6","10","1") = "9"
    & skf18("9","6","3","8","7","1","1") = "8"
    & skf18("9","6","3","8","7","2","1") = "8"
    & skf18("9","6","3","8","7","3","1") = "8"
    & skf18("9","6","3","8","7","4","1") = "8"
    & skf18("9","6","3","8","7","5","1") = "8"
    & skf18("9","6","3","8","7","6","1") = "8"
    & skf18("9","6","3","8","7","7","1") = "8"
    & skf18("9","6","3","8","7","8","1") = "8"
    & skf18("9","6","3","8","7","9","1") = "8"
    & skf18("9","6","3","8","7","10","1") = "9"
    & skf18("9","6","3","8","8","1","1") = "8"
    & skf18("9","6","3","8","8","2","1") = "8"
    & skf18("9","6","3","8","8","3","1") = "8"
    & skf18("9","6","3","8","8","4","1") = "8"
    & skf18("9","6","3","8","8","5","1") = "8"
    & skf18("9","6","3","8","8","6","1") = "8"
    & skf18("9","6","3","8","8","7","1") = "8"
    & skf18("9","6","3","8","8","8","1") = "8"
    & skf18("9","6","3","8","8","9","1") = "8"
    & skf18("9","6","3","8","8","10","1") = "9"
    & skf18("9","6","3","8","9","1","1") = "8"
    & skf18("9","6","3","8","9","2","1") = "8"
    & skf18("9","6","3","8","9","3","1") = "8"
    & skf18("9","6","3","8","9","4","1") = "8"
    & skf18("9","6","3","8","9","5","1") = "8"
    & skf18("9","6","3","8","9","6","1") = "8"
    & skf18("9","6","3","8","9","7","1") = "8"
    & skf18("9","6","3","8","9","8","1") = "8"
    & skf18("9","6","3","8","9","9","1") = "8"
    & skf18("9","6","3","8","9","10","1") = "9"
    & skf18("9","6","3","8","10","1","1") = "9"
    & skf18("9","6","3","8","10","2","1") = "9"
    & skf18("9","6","3","8","10","3","1") = "9"
    & skf18("9","6","3","8","10","4","1") = "9"
    & skf18("9","6","3","8","10","5","1") = "9"
    & skf18("9","6","3","8","10","6","1") = "9"
    & skf18("9","6","3","8","10","7","1") = "9"
    & skf18("9","6","3","8","10","8","1") = "9"
    & skf18("9","6","3","8","10","9","1") = "9"
    & skf18("9","6","3","8","10","10","1") = "9"
    & skf18("9","6","3","9","1","1","1") = "8"
    & skf18("9","6","3","9","1","2","1") = "8"
    & skf18("9","6","3","9","1","3","1") = "8"
    & skf18("9","6","3","9","1","4","1") = "8"
    & skf18("9","6","3","9","1","5","1") = "8"
    & skf18("9","6","3","9","1","6","1") = "8"
    & skf18("9","6","3","9","1","7","1") = "8"
    & skf18("9","6","3","9","1","8","1") = "8"
    & skf18("9","6","3","9","1","9","1") = "8"
    & skf18("9","6","3","9","1","10","1") = "9"
    & skf18("9","6","3","9","2","1","1") = "8"
    & skf18("9","6","3","9","2","2","1") = "8"
    & skf18("9","6","3","9","2","3","1") = "8"
    & skf18("9","6","3","9","2","4","1") = "8"
    & skf18("9","6","3","9","2","5","1") = "8"
    & skf18("9","6","3","9","2","6","1") = "8"
    & skf18("9","6","3","9","2","7","1") = "8"
    & skf18("9","6","3","9","2","8","1") = "8"
    & skf18("9","6","3","9","2","9","1") = "8"
    & skf18("9","6","3","9","2","10","1") = "9"
    & skf18("9","6","3","9","3","1","1") = "8"
    & skf18("9","6","3","9","3","2","1") = "8"
    & skf18("9","6","3","9","3","3","1") = "8"
    & skf18("9","6","3","9","3","4","1") = "8"
    & skf18("9","6","3","9","3","5","1") = "8"
    & skf18("9","6","3","9","3","6","1") = "8"
    & skf18("9","6","3","9","3","7","1") = "8"
    & skf18("9","6","3","9","3","8","1") = "8"
    & skf18("9","6","3","9","3","9","1") = "8"
    & skf18("9","6","3","9","3","10","1") = "9"
    & skf18("9","6","3","9","4","1","1") = "8"
    & skf18("9","6","3","9","4","2","1") = "8"
    & skf18("9","6","3","9","4","3","1") = "8"
    & skf18("9","6","3","9","4","4","1") = "8"
    & skf18("9","6","3","9","4","5","1") = "8"
    & skf18("9","6","3","9","4","6","1") = "8"
    & skf18("9","6","3","9","4","7","1") = "8"
    & skf18("9","6","3","9","4","8","1") = "8"
    & skf18("9","6","3","9","4","9","1") = "8"
    & skf18("9","6","3","9","4","10","1") = "9"
    & skf18("9","6","3","9","5","1","1") = "8"
    & skf18("9","6","3","9","5","2","1") = "8"
    & skf18("9","6","3","9","5","3","1") = "8"
    & skf18("9","6","3","9","5","4","1") = "8"
    & skf18("9","6","3","9","5","5","1") = "8"
    & skf18("9","6","3","9","5","6","1") = "8"
    & skf18("9","6","3","9","5","7","1") = "8"
    & skf18("9","6","3","9","5","8","1") = "8"
    & skf18("9","6","3","9","5","9","1") = "8"
    & skf18("9","6","3","9","5","10","1") = "9"
    & skf18("9","6","3","9","6","1","1") = "8"
    & skf18("9","6","3","9","6","2","1") = "8"
    & skf18("9","6","3","9","6","3","1") = "8"
    & skf18("9","6","3","9","6","4","1") = "8"
    & skf18("9","6","3","9","6","5","1") = "8"
    & skf18("9","6","3","9","6","6","1") = "8"
    & skf18("9","6","3","9","6","7","1") = "8"
    & skf18("9","6","3","9","6","8","1") = "8"
    & skf18("9","6","3","9","6","9","1") = "8"
    & skf18("9","6","3","9","6","10","1") = "9"
    & skf18("9","6","3","9","7","1","1") = "8"
    & skf18("9","6","3","9","7","2","1") = "8"
    & skf18("9","6","3","9","7","3","1") = "8"
    & skf18("9","6","3","9","7","4","1") = "8"
    & skf18("9","6","3","9","7","5","1") = "8"
    & skf18("9","6","3","9","7","6","1") = "8"
    & skf18("9","6","3","9","7","7","1") = "8"
    & skf18("9","6","3","9","7","8","1") = "8"
    & skf18("9","6","3","9","7","9","1") = "8"
    & skf18("9","6","3","9","7","10","1") = "9"
    & skf18("9","6","3","9","8","1","1") = "8"
    & skf18("9","6","3","9","8","2","1") = "8"
    & skf18("9","6","3","9","8","3","1") = "8"
    & skf18("9","6","3","9","8","4","1") = "8"
    & skf18("9","6","3","9","8","5","1") = "8"
    & skf18("9","6","3","9","8","6","1") = "8"
    & skf18("9","6","3","9","8","7","1") = "8"
    & skf18("9","6","3","9","8","8","1") = "8"
    & skf18("9","6","3","9","8","9","1") = "8"
    & skf18("9","6","3","9","8","10","1") = "9"
    & skf18("9","6","3","9","9","1","1") = "8"
    & skf18("9","6","3","9","9","2","1") = "8"
    & skf18("9","6","3","9","9","3","1") = "8"
    & skf18("9","6","3","9","9","4","1") = "8"
    & skf18("9","6","3","9","9","5","1") = "8"
    & skf18("9","6","3","9","9","6","1") = "8"
    & skf18("9","6","3","9","9","7","1") = "8"
    & skf18("9","6","3","9","9","8","1") = "8"
    & skf18("9","6","3","9","9","9","1") = "8"
    & skf18("9","6","3","9","9","10","1") = "9"
    & skf18("9","6","3","9","10","1","1") = "9"
    & skf18("9","6","3","9","10","2","1") = "9"
    & skf18("9","6","3","9","10","3","1") = "9"
    & skf18("9","6","3","9","10","4","1") = "9"
    & skf18("9","6","3","9","10","5","1") = "9"
    & skf18("9","6","3","9","10","6","1") = "9"
    & skf18("9","6","3","9","10","7","1") = "9"
    & skf18("9","6","3","9","10","8","1") = "9"
    & skf18("9","6","3","9","10","9","1") = "9"
    & skf18("9","6","3","9","10","10","1") = "9"
    & skf18("9","6","3","10","1","1","1") = "9"
    & skf18("9","6","3","10","1","2","1") = "9"
    & skf18("9","6","3","10","1","3","1") = "9"
    & skf18("9","6","3","10","1","4","1") = "9"
    & skf18("9","6","3","10","1","5","1") = "9"
    & skf18("9","6","3","10","1","6","1") = "9"
    & skf18("9","6","3","10","1","7","1") = "9"
    & skf18("9","6","3","10","1","8","1") = "9"
    & skf18("9","6","3","10","1","9","1") = "9"
    & skf18("9","6","3","10","1","10","1") = "9"
    & skf18("9","6","3","10","2","1","1") = "9"
    & skf18("9","6","3","10","2","2","1") = "9"
    & skf18("9","6","3","10","2","3","1") = "9"
    & skf18("9","6","3","10","2","4","1") = "9"
    & skf18("9","6","3","10","2","5","1") = "9"
    & skf18("9","6","3","10","2","6","1") = "9"
    & skf18("9","6","3","10","2","7","1") = "9"
    & skf18("9","6","3","10","2","8","1") = "9"
    & skf18("9","6","3","10","2","9","1") = "9"
    & skf18("9","6","3","10","2","10","1") = "9"
    & skf18("9","6","3","10","3","1","1") = "9"
    & skf18("9","6","3","10","3","2","1") = "9"
    & skf18("9","6","3","10","3","3","1") = "9"
    & skf18("9","6","3","10","3","4","1") = "9"
    & skf18("9","6","3","10","3","5","1") = "9"
    & skf18("9","6","3","10","3","6","1") = "9"
    & skf18("9","6","3","10","3","7","1") = "9"
    & skf18("9","6","3","10","3","8","1") = "9"
    & skf18("9","6","3","10","3","9","1") = "9"
    & skf18("9","6","3","10","3","10","1") = "9"
    & skf18("9","6","3","10","4","1","1") = "9"
    & skf18("9","6","3","10","4","2","1") = "9"
    & skf18("9","6","3","10","4","3","1") = "9"
    & skf18("9","6","3","10","4","4","1") = "9"
    & skf18("9","6","3","10","4","5","1") = "9"
    & skf18("9","6","3","10","4","6","1") = "9"
    & skf18("9","6","3","10","4","7","1") = "9"
    & skf18("9","6","3","10","4","8","1") = "9"
    & skf18("9","6","3","10","4","9","1") = "9"
    & skf18("9","6","3","10","4","10","1") = "9"
    & skf18("9","6","3","10","5","1","1") = "9"
    & skf18("9","6","3","10","5","2","1") = "9"
    & skf18("9","6","3","10","5","3","1") = "9"
    & skf18("9","6","3","10","5","4","1") = "9"
    & skf18("9","6","3","10","5","5","1") = "9"
    & skf18("9","6","3","10","5","6","1") = "9"
    & skf18("9","6","3","10","5","7","1") = "9"
    & skf18("9","6","3","10","5","8","1") = "9"
    & skf18("9","6","3","10","5","9","1") = "9"
    & skf18("9","6","3","10","5","10","1") = "9"
    & skf18("9","6","3","10","6","1","1") = "9"
    & skf18("9","6","3","10","6","2","1") = "9"
    & skf18("9","6","3","10","6","3","1") = "9"
    & skf18("9","6","3","10","6","4","1") = "9"
    & skf18("9","6","3","10","6","5","1") = "9"
    & skf18("9","6","3","10","6","6","1") = "9"
    & skf18("9","6","3","10","6","7","1") = "9"
    & skf18("9","6","3","10","6","8","1") = "9"
    & skf18("9","6","3","10","6","9","1") = "9"
    & skf18("9","6","3","10","6","10","1") = "9"
    & skf18("9","6","3","10","7","1","1") = "9"
    & skf18("9","6","3","10","7","2","1") = "9"
    & skf18("9","6","3","10","7","3","1") = "9"
    & skf18("9","6","3","10","7","4","1") = "9"
    & skf18("9","6","3","10","7","5","1") = "9"
    & skf18("9","6","3","10","7","6","1") = "9"
    & skf18("9","6","3","10","7","7","1") = "9"
    & skf18("9","6","3","10","7","8","1") = "9"
    & skf18("9","6","3","10","7","9","1") = "9"
    & skf18("9","6","3","10","7","10","1") = "9"
    & skf18("9","6","3","10","8","1","1") = "9"
    & skf18("9","6","3","10","8","2","1") = "9"
    & skf18("9","6","3","10","8","3","1") = "9"
    & skf18("9","6","3","10","8","4","1") = "9"
    & skf18("9","6","3","10","8","5","1") = "9"
    & skf18("9","6","3","10","8","6","1") = "9"
    & skf18("9","6","3","10","8","7","1") = "9"
    & skf18("9","6","3","10","8","8","1") = "9"
    & skf18("9","6","3","10","8","9","1") = "9"
    & skf18("9","6","3","10","8","10","1") = "9"
    & skf18("9","6","3","10","9","1","1") = "9"
    & skf18("9","6","3","10","9","2","1") = "9"
    & skf18("9","6","3","10","9","3","1") = "9"
    & skf18("9","6","3","10","9","4","1") = "9"
    & skf18("9","6","3","10","9","5","1") = "9"
    & skf18("9","6","3","10","9","6","1") = "9"
    & skf18("9","6","3","10","9","7","1") = "9"
    & skf18("9","6","3","10","9","8","1") = "9"
    & skf18("9","6","3","10","9","9","1") = "9"
    & skf18("9","6","3","10","9","10","1") = "9"
    & skf18("9","6","3","10","10","1","1") = "9"
    & skf18("9","6","3","10","10","2","1") = "9"
    & skf18("9","6","3","10","10","3","1") = "9"
    & skf18("9","6","3","10","10","4","1") = "9"
    & skf18("9","6","3","10","10","5","1") = "9"
    & skf18("9","6","3","10","10","6","1") = "9"
    & skf18("9","6","3","10","10","7","1") = "9"
    & skf18("9","6","3","10","10","8","1") = "9"
    & skf18("9","6","3","10","10","9","1") = "9"
    & skf18("9","6","3","10","10","10","1") = "9"
    & skf18("9","6","4","1","1","1","1") = "8"
    & skf18("9","6","4","1","1","2","1") = "8"
    & skf18("9","6","4","1","1","3","1") = "8"
    & skf18("9","6","4","1","1","4","1") = "8"
    & skf18("9","6","4","1","1","5","1") = "8"
    & skf18("9","6","4","1","1","6","1") = "8"
    & skf18("9","6","4","1","1","7","1") = "8"
    & skf18("9","6","4","1","1","8","1") = "8"
    & skf18("9","6","4","1","1","9","1") = "8"
    & skf18("9","6","4","1","1","10","1") = "9"
    & skf18("9","6","4","1","2","1","1") = "8"
    & skf18("9","6","4","1","2","2","1") = "8"
    & skf18("9","6","4","1","2","3","1") = "8"
    & skf18("9","6","4","1","2","4","1") = "8"
    & skf18("9","6","4","1","2","5","1") = "8"
    & skf18("9","6","4","1","2","6","1") = "8"
    & skf18("9","6","4","1","2","7","1") = "8"
    & skf18("9","6","4","1","2","8","1") = "8"
    & skf18("9","6","4","1","2","9","1") = "8"
    & skf18("9","6","4","1","2","10","1") = "9"
    & skf18("9","6","4","1","3","1","1") = "8"
    & skf18("9","6","4","1","3","2","1") = "8"
    & skf18("9","6","4","1","3","3","1") = "8"
    & skf18("9","6","4","1","3","4","1") = "8"
    & skf18("9","6","4","1","3","5","1") = "8"
    & skf18("9","6","4","1","3","6","1") = "8"
    & skf18("9","6","4","1","3","7","1") = "8"
    & skf18("9","6","4","1","3","8","1") = "8"
    & skf18("9","6","4","1","3","9","1") = "8"
    & skf18("9","6","4","1","3","10","1") = "9"
    & skf18("9","6","4","1","4","1","1") = "8"
    & skf18("9","6","4","1","4","2","1") = "8"
    & skf18("9","6","4","1","4","3","1") = "8"
    & skf18("9","6","4","1","4","4","1") = "8"
    & skf18("9","6","4","1","4","5","1") = "8"
    & skf18("9","6","4","1","4","6","1") = "8"
    & skf18("9","6","4","1","4","7","1") = "8"
    & skf18("9","6","4","1","4","8","1") = "8"
    & skf18("9","6","4","1","4","9","1") = "8"
    & skf18("9","6","4","1","4","10","1") = "9"
    & skf18("9","6","4","1","5","1","1") = "8"
    & skf18("9","6","4","1","5","2","1") = "8"
    & skf18("9","6","4","1","5","3","1") = "8"
    & skf18("9","6","4","1","5","4","1") = "8"
    & skf18("9","6","4","1","5","5","1") = "8"
    & skf18("9","6","4","1","5","6","1") = "8"
    & skf18("9","6","4","1","5","7","1") = "8"
    & skf18("9","6","4","1","5","8","1") = "8"
    & skf18("9","6","4","1","5","9","1") = "8"
    & skf18("9","6","4","1","5","10","1") = "9"
    & skf18("9","6","4","1","6","1","1") = "8"
    & skf18("9","6","4","1","6","2","1") = "8"
    & skf18("9","6","4","1","6","3","1") = "8"
    & skf18("9","6","4","1","6","4","1") = "8"
    & skf18("9","6","4","1","6","5","1") = "8"
    & skf18("9","6","4","1","6","6","1") = "8"
    & skf18("9","6","4","1","6","7","1") = "8"
    & skf18("9","6","4","1","6","8","1") = "8"
    & skf18("9","6","4","1","6","9","1") = "8"
    & skf18("9","6","4","1","6","10","1") = "9"
    & skf18("9","6","4","1","7","1","1") = "8"
    & skf18("9","6","4","1","7","2","1") = "8"
    & skf18("9","6","4","1","7","3","1") = "8"
    & skf18("9","6","4","1","7","4","1") = "8"
    & skf18("9","6","4","1","7","5","1") = "8"
    & skf18("9","6","4","1","7","6","1") = "8"
    & skf18("9","6","4","1","7","7","1") = "8"
    & skf18("9","6","4","1","7","8","1") = "8"
    & skf18("9","6","4","1","7","9","1") = "8"
    & skf18("9","6","4","1","7","10","1") = "9"
    & skf18("9","6","4","1","8","1","1") = "8"
    & skf18("9","6","4","1","8","2","1") = "8"
    & skf18("9","6","4","1","8","3","1") = "8"
    & skf18("9","6","4","1","8","4","1") = "8"
    & skf18("9","6","4","1","8","5","1") = "8"
    & skf18("9","6","4","1","8","6","1") = "8"
    & skf18("9","6","4","1","8","7","1") = "8"
    & skf18("9","6","4","1","8","8","1") = "8"
    & skf18("9","6","4","1","8","9","1") = "8"
    & skf18("9","6","4","1","8","10","1") = "9"
    & skf18("9","6","4","1","9","1","1") = "8"
    & skf18("9","6","4","1","9","2","1") = "8"
    & skf18("9","6","4","1","9","3","1") = "8"
    & skf18("9","6","4","1","9","4","1") = "8"
    & skf18("9","6","4","1","9","5","1") = "8"
    & skf18("9","6","4","1","9","6","1") = "8"
    & skf18("9","6","4","1","9","7","1") = "8"
    & skf18("9","6","4","1","9","8","1") = "8"
    & skf18("9","6","4","1","9","9","1") = "8"
    & skf18("9","6","4","1","9","10","1") = "9"
    & skf18("9","6","4","1","10","1","1") = "9"
    & skf18("9","6","4","1","10","2","1") = "9"
    & skf18("9","6","4","1","10","3","1") = "9"
    & skf18("9","6","4","1","10","4","1") = "9"
    & skf18("9","6","4","1","10","5","1") = "9"
    & skf18("9","6","4","1","10","6","1") = "9"
    & skf18("9","6","4","1","10","7","1") = "9"
    & skf18("9","6","4","1","10","8","1") = "9"
    & skf18("9","6","4","1","10","9","1") = "9"
    & skf18("9","6","4","1","10","10","1") = "9"
    & skf18("9","6","4","2","1","1","1") = "8"
    & skf18("9","6","4","2","1","2","1") = "8"
    & skf18("9","6","4","2","1","3","1") = "8"
    & skf18("9","6","4","2","1","4","1") = "8"
    & skf18("9","6","4","2","1","5","1") = "8"
    & skf18("9","6","4","2","1","6","1") = "8"
    & skf18("9","6","4","2","1","7","1") = "8"
    & skf18("9","6","4","2","1","8","1") = "8"
    & skf18("9","6","4","2","1","9","1") = "8"
    & skf18("9","6","4","2","1","10","1") = "9"
    & skf18("9","6","4","2","2","1","1") = "8"
    & skf18("9","6","4","2","2","2","1") = "8"
    & skf18("9","6","4","2","2","3","1") = "8"
    & skf18("9","6","4","2","2","4","1") = "8"
    & skf18("9","6","4","2","2","5","1") = "8"
    & skf18("9","6","4","2","2","6","1") = "8"
    & skf18("9","6","4","2","2","7","1") = "8"
    & skf18("9","6","4","2","2","8","1") = "8"
    & skf18("9","6","4","2","2","9","1") = "8"
    & skf18("9","6","4","2","2","10","1") = "9"
    & skf18("9","6","4","2","3","1","1") = "8"
    & skf18("9","6","4","2","3","2","1") = "8"
    & skf18("9","6","4","2","3","3","1") = "8"
    & skf18("9","6","4","2","3","4","1") = "8"
    & skf18("9","6","4","2","3","5","1") = "8"
    & skf18("9","6","4","2","3","6","1") = "8"
    & skf18("9","6","4","2","3","7","1") = "8"
    & skf18("9","6","4","2","3","8","1") = "8"
    & skf18("9","6","4","2","3","9","1") = "8"
    & skf18("9","6","4","2","3","10","1") = "9"
    & skf18("9","6","4","2","4","1","1") = "8"
    & skf18("9","6","4","2","4","2","1") = "8"
    & skf18("9","6","4","2","4","3","1") = "8"
    & skf18("9","6","4","2","4","4","1") = "8"
    & skf18("9","6","4","2","4","5","1") = "8"
    & skf18("9","6","4","2","4","6","1") = "8"
    & skf18("9","6","4","2","4","7","1") = "8"
    & skf18("9","6","4","2","4","8","1") = "8"
    & skf18("9","6","4","2","4","9","1") = "8"
    & skf18("9","6","4","2","4","10","1") = "9"
    & skf18("9","6","4","2","5","1","1") = "8"
    & skf18("9","6","4","2","5","2","1") = "8"
    & skf18("9","6","4","2","5","3","1") = "8"
    & skf18("9","6","4","2","5","4","1") = "8"
    & skf18("9","6","4","2","5","5","1") = "8"
    & skf18("9","6","4","2","5","6","1") = "8"
    & skf18("9","6","4","2","5","7","1") = "8"
    & skf18("9","6","4","2","5","8","1") = "8"
    & skf18("9","6","4","2","5","9","1") = "8"
    & skf18("9","6","4","2","5","10","1") = "9"
    & skf18("9","6","4","2","6","1","1") = "8"
    & skf18("9","6","4","2","6","2","1") = "8"
    & skf18("9","6","4","2","6","3","1") = "8"
    & skf18("9","6","4","2","6","4","1") = "8"
    & skf18("9","6","4","2","6","5","1") = "8"
    & skf18("9","6","4","2","6","6","1") = "8"
    & skf18("9","6","4","2","6","7","1") = "8"
    & skf18("9","6","4","2","6","8","1") = "8"
    & skf18("9","6","4","2","6","9","1") = "8"
    & skf18("9","6","4","2","6","10","1") = "9"
    & skf18("9","6","4","2","7","1","1") = "8"
    & skf18("9","6","4","2","7","2","1") = "8"
    & skf18("9","6","4","2","7","3","1") = "8"
    & skf18("9","6","4","2","7","4","1") = "8"
    & skf18("9","6","4","2","7","5","1") = "8"
    & skf18("9","6","4","2","7","6","1") = "8"
    & skf18("9","6","4","2","7","7","1") = "8"
    & skf18("9","6","4","2","7","8","1") = "8"
    & skf18("9","6","4","2","7","9","1") = "8"
    & skf18("9","6","4","2","7","10","1") = "9"
    & skf18("9","6","4","2","8","1","1") = "8"
    & skf18("9","6","4","2","8","2","1") = "8"
    & skf18("9","6","4","2","8","3","1") = "8"
    & skf18("9","6","4","2","8","4","1") = "8"
    & skf18("9","6","4","2","8","5","1") = "8"
    & skf18("9","6","4","2","8","6","1") = "8"
    & skf18("9","6","4","2","8","7","1") = "8"
    & skf18("9","6","4","2","8","8","1") = "8"
    & skf18("9","6","4","2","8","9","1") = "8"
    & skf18("9","6","4","2","8","10","1") = "9"
    & skf18("9","6","4","2","9","1","1") = "8"
    & skf18("9","6","4","2","9","2","1") = "8"
    & skf18("9","6","4","2","9","3","1") = "8"
    & skf18("9","6","4","2","9","4","1") = "8"
    & skf18("9","6","4","2","9","5","1") = "8"
    & skf18("9","6","4","2","9","6","1") = "8"
    & skf18("9","6","4","2","9","7","1") = "8"
    & skf18("9","6","4","2","9","8","1") = "8"
    & skf18("9","6","4","2","9","9","1") = "8"
    & skf18("9","6","4","2","9","10","1") = "9"
    & skf18("9","6","4","2","10","1","1") = "9"
    & skf18("9","6","4","2","10","2","1") = "9"
    & skf18("9","6","4","2","10","3","1") = "9"
    & skf18("9","6","4","2","10","4","1") = "9"
    & skf18("9","6","4","2","10","5","1") = "9"
    & skf18("9","6","4","2","10","6","1") = "9"
    & skf18("9","6","4","2","10","7","1") = "9"
    & skf18("9","6","4","2","10","8","1") = "9"
    & skf18("9","6","4","2","10","9","1") = "9"
    & skf18("9","6","4","2","10","10","1") = "9"
    & skf18("9","6","4","3","1","1","1") = "8"
    & skf18("9","6","4","3","1","2","1") = "8"
    & skf18("9","6","4","3","1","3","1") = "8"
    & skf18("9","6","4","3","1","4","1") = "8"
    & skf18("9","6","4","3","1","5","1") = "8"
    & skf18("9","6","4","3","1","6","1") = "8"
    & skf18("9","6","4","3","1","7","1") = "8"
    & skf18("9","6","4","3","1","8","1") = "8"
    & skf18("9","6","4","3","1","9","1") = "8"
    & skf18("9","6","4","3","1","10","1") = "9"
    & skf18("9","6","4","3","2","1","1") = "8"
    & skf18("9","6","4","3","2","2","1") = "8"
    & skf18("9","6","4","3","2","3","1") = "8"
    & skf18("9","6","4","3","2","4","1") = "8"
    & skf18("9","6","4","3","2","5","1") = "8"
    & skf18("9","6","4","3","2","6","1") = "8"
    & skf18("9","6","4","3","2","7","1") = "8"
    & skf18("9","6","4","3","2","8","1") = "8"
    & skf18("9","6","4","3","2","9","1") = "8"
    & skf18("9","6","4","3","2","10","1") = "9"
    & skf18("9","6","4","3","3","1","1") = "8"
    & skf18("9","6","4","3","3","2","1") = "8"
    & skf18("9","6","4","3","3","3","1") = "8"
    & skf18("9","6","4","3","3","4","1") = "8"
    & skf18("9","6","4","3","3","5","1") = "8"
    & skf18("9","6","4","3","3","6","1") = "8"
    & skf18("9","6","4","3","3","7","1") = "8"
    & skf18("9","6","4","3","3","8","1") = "8"
    & skf18("9","6","4","3","3","9","1") = "8"
    & skf18("9","6","4","3","3","10","1") = "9"
    & skf18("9","6","4","3","4","1","1") = "8"
    & skf18("9","6","4","3","4","2","1") = "8"
    & skf18("9","6","4","3","4","3","1") = "8"
    & skf18("9","6","4","3","4","4","1") = "8"
    & skf18("9","6","4","3","4","5","1") = "8"
    & skf18("9","6","4","3","4","6","1") = "8"
    & skf18("9","6","4","3","4","7","1") = "8"
    & skf18("9","6","4","3","4","8","1") = "8"
    & skf18("9","6","4","3","4","9","1") = "8"
    & skf18("9","6","4","3","4","10","1") = "9"
    & skf18("9","6","4","3","5","1","1") = "8"
    & skf18("9","6","4","3","5","2","1") = "8"
    & skf18("9","6","4","3","5","3","1") = "8"
    & skf18("9","6","4","3","5","4","1") = "8"
    & skf18("9","6","4","3","5","5","1") = "8"
    & skf18("9","6","4","3","5","6","1") = "8"
    & skf18("9","6","4","3","5","7","1") = "8"
    & skf18("9","6","4","3","5","8","1") = "8"
    & skf18("9","6","4","3","5","9","1") = "8"
    & skf18("9","6","4","3","5","10","1") = "9"
    & skf18("9","6","4","3","6","1","1") = "8"
    & skf18("9","6","4","3","6","2","1") = "8"
    & skf18("9","6","4","3","6","3","1") = "8"
    & skf18("9","6","4","3","6","4","1") = "8"
    & skf18("9","6","4","3","6","5","1") = "8"
    & skf18("9","6","4","3","6","6","1") = "8"
    & skf18("9","6","4","3","6","7","1") = "8"
    & skf18("9","6","4","3","6","8","1") = "8"
    & skf18("9","6","4","3","6","9","1") = "8"
    & skf18("9","6","4","3","6","10","1") = "9"
    & skf18("9","6","4","3","7","1","1") = "8"
    & skf18("9","6","4","3","7","2","1") = "8"
    & skf18("9","6","4","3","7","3","1") = "8"
    & skf18("9","6","4","3","7","4","1") = "8"
    & skf18("9","6","4","3","7","5","1") = "8"
    & skf18("9","6","4","3","7","6","1") = "8"
    & skf18("9","6","4","3","7","7","1") = "8"
    & skf18("9","6","4","3","7","8","1") = "8"
    & skf18("9","6","4","3","7","9","1") = "8"
    & skf18("9","6","4","3","7","10","1") = "9"
    & skf18("9","6","4","3","8","1","1") = "8"
    & skf18("9","6","4","3","8","2","1") = "8"
    & skf18("9","6","4","3","8","3","1") = "8"
    & skf18("9","6","4","3","8","4","1") = "8"
    & skf18("9","6","4","3","8","5","1") = "8"
    & skf18("9","6","4","3","8","6","1") = "8"
    & skf18("9","6","4","3","8","7","1") = "8"
    & skf18("9","6","4","3","8","8","1") = "8"
    & skf18("9","6","4","3","8","9","1") = "8"
    & skf18("9","6","4","3","8","10","1") = "9"
    & skf18("9","6","4","3","9","1","1") = "8"
    & skf18("9","6","4","3","9","2","1") = "8"
    & skf18("9","6","4","3","9","3","1") = "8"
    & skf18("9","6","4","3","9","4","1") = "8"
    & skf18("9","6","4","3","9","5","1") = "8"
    & skf18("9","6","4","3","9","6","1") = "8"
    & skf18("9","6","4","3","9","7","1") = "8"
    & skf18("9","6","4","3","9","8","1") = "8"
    & skf18("9","6","4","3","9","9","1") = "8"
    & skf18("9","6","4","3","9","10","1") = "9"
    & skf18("9","6","4","3","10","1","1") = "9"
    & skf18("9","6","4","3","10","2","1") = "9"
    & skf18("9","6","4","3","10","3","1") = "9"
    & skf18("9","6","4","3","10","4","1") = "9"
    & skf18("9","6","4","3","10","5","1") = "9"
    & skf18("9","6","4","3","10","6","1") = "9"
    & skf18("9","6","4","3","10","7","1") = "9"
    & skf18("9","6","4","3","10","8","1") = "9"
    & skf18("9","6","4","3","10","9","1") = "9"
    & skf18("9","6","4","3","10","10","1") = "9"
    & skf18("9","6","4","4","1","1","1") = "8"
    & skf18("9","6","4","4","1","2","1") = "8"
    & skf18("9","6","4","4","1","3","1") = "8"
    & skf18("9","6","4","4","1","4","1") = "8"
    & skf18("9","6","4","4","1","5","1") = "8"
    & skf18("9","6","4","4","1","6","1") = "8"
    & skf18("9","6","4","4","1","7","1") = "8"
    & skf18("9","6","4","4","1","8","1") = "8"
    & skf18("9","6","4","4","1","9","1") = "8"
    & skf18("9","6","4","4","1","10","1") = "9"
    & skf18("9","6","4","4","2","1","1") = "8"
    & skf18("9","6","4","4","2","2","1") = "8"
    & skf18("9","6","4","4","2","3","1") = "8"
    & skf18("9","6","4","4","2","4","1") = "8"
    & skf18("9","6","4","4","2","5","1") = "8"
    & skf18("9","6","4","4","2","6","1") = "8"
    & skf18("9","6","4","4","2","7","1") = "8"
    & skf18("9","6","4","4","2","8","1") = "8"
    & skf18("9","6","4","4","2","9","1") = "8"
    & skf18("9","6","4","4","2","10","1") = "9"
    & skf18("9","6","4","4","3","1","1") = "8"
    & skf18("9","6","4","4","3","2","1") = "8"
    & skf18("9","6","4","4","3","3","1") = "8"
    & skf18("9","6","4","4","3","4","1") = "8"
    & skf18("9","6","4","4","3","5","1") = "8"
    & skf18("9","6","4","4","3","6","1") = "8"
    & skf18("9","6","4","4","3","7","1") = "8"
    & skf18("9","6","4","4","3","8","1") = "8"
    & skf18("9","6","4","4","3","9","1") = "8"
    & skf18("9","6","4","4","3","10","1") = "9"
    & skf18("9","6","4","4","4","1","1") = "8"
    & skf18("9","6","4","4","4","2","1") = "8"
    & skf18("9","6","4","4","4","3","1") = "8"
    & skf18("9","6","4","4","4","4","1") = "8"
    & skf18("9","6","4","4","4","5","1") = "8"
    & skf18("9","6","4","4","4","6","1") = "8"
    & skf18("9","6","4","4","4","7","1") = "8"
    & skf18("9","6","4","4","4","8","1") = "8"
    & skf18("9","6","4","4","4","9","1") = "8"
    & skf18("9","6","4","4","4","10","1") = "9"
    & skf18("9","6","4","4","5","1","1") = "8"
    & skf18("9","6","4","4","5","2","1") = "8"
    & skf18("9","6","4","4","5","3","1") = "8"
    & skf18("9","6","4","4","5","4","1") = "8"
    & skf18("9","6","4","4","5","5","1") = "8"
    & skf18("9","6","4","4","5","6","1") = "8"
    & skf18("9","6","4","4","5","7","1") = "8"
    & skf18("9","6","4","4","5","8","1") = "8"
    & skf18("9","6","4","4","5","9","1") = "8"
    & skf18("9","6","4","4","5","10","1") = "9"
    & skf18("9","6","4","4","6","1","1") = "8"
    & skf18("9","6","4","4","6","2","1") = "8"
    & skf18("9","6","4","4","6","3","1") = "8"
    & skf18("9","6","4","4","6","4","1") = "8"
    & skf18("9","6","4","4","6","5","1") = "8"
    & skf18("9","6","4","4","6","6","1") = "8"
    & skf18("9","6","4","4","6","7","1") = "8"
    & skf18("9","6","4","4","6","8","1") = "8"
    & skf18("9","6","4","4","6","9","1") = "8"
    & skf18("9","6","4","4","6","10","1") = "9"
    & skf18("9","6","4","4","7","1","1") = "8"
    & skf18("9","6","4","4","7","2","1") = "8"
    & skf18("9","6","4","4","7","3","1") = "8"
    & skf18("9","6","4","4","7","4","1") = "8"
    & skf18("9","6","4","4","7","5","1") = "8"
    & skf18("9","6","4","4","7","6","1") = "8"
    & skf18("9","6","4","4","7","7","1") = "8"
    & skf18("9","6","4","4","7","8","1") = "8"
    & skf18("9","6","4","4","7","9","1") = "8"
    & skf18("9","6","4","4","7","10","1") = "9"
    & skf18("9","6","4","4","8","1","1") = "8"
    & skf18("9","6","4","4","8","2","1") = "8"
    & skf18("9","6","4","4","8","3","1") = "8"
    & skf18("9","6","4","4","8","4","1") = "8"
    & skf18("9","6","4","4","8","5","1") = "8"
    & skf18("9","6","4","4","8","6","1") = "8"
    & skf18("9","6","4","4","8","7","1") = "8"
    & skf18("9","6","4","4","8","8","1") = "8"
    & skf18("9","6","4","4","8","9","1") = "8"
    & skf18("9","6","4","4","8","10","1") = "9"
    & skf18("9","6","4","4","9","1","1") = "8"
    & skf18("9","6","4","4","9","2","1") = "8"
    & skf18("9","6","4","4","9","3","1") = "8"
    & skf18("9","6","4","4","9","4","1") = "8"
    & skf18("9","6","4","4","9","5","1") = "8"
    & skf18("9","6","4","4","9","6","1") = "8"
    & skf18("9","6","4","4","9","7","1") = "8"
    & skf18("9","6","4","4","9","8","1") = "8"
    & skf18("9","6","4","4","9","9","1") = "8"
    & skf18("9","6","4","4","9","10","1") = "9"
    & skf18("9","6","4","4","10","1","1") = "9"
    & skf18("9","6","4","4","10","2","1") = "9"
    & skf18("9","6","4","4","10","3","1") = "9"
    & skf18("9","6","4","4","10","4","1") = "9"
    & skf18("9","6","4","4","10","5","1") = "9"
    & skf18("9","6","4","4","10","6","1") = "9"
    & skf18("9","6","4","4","10","7","1") = "9"
    & skf18("9","6","4","4","10","8","1") = "9"
    & skf18("9","6","4","4","10","9","1") = "9"
    & skf18("9","6","4","4","10","10","1") = "9"
    & skf18("9","6","4","5","1","1","1") = "8"
    & skf18("9","6","4","5","1","2","1") = "8"
    & skf18("9","6","4","5","1","3","1") = "8"
    & skf18("9","6","4","5","1","4","1") = "8"
    & skf18("9","6","4","5","1","5","1") = "8"
    & skf18("9","6","4","5","1","6","1") = "8"
    & skf18("9","6","4","5","1","7","1") = "8"
    & skf18("9","6","4","5","1","8","1") = "8"
    & skf18("9","6","4","5","1","9","1") = "8"
    & skf18("9","6","4","5","1","10","1") = "9"
    & skf18("9","6","4","5","2","1","1") = "8"
    & skf18("9","6","4","5","2","2","1") = "8"
    & skf18("9","6","4","5","2","3","1") = "8"
    & skf18("9","6","4","5","2","4","1") = "8"
    & skf18("9","6","4","5","2","5","1") = "8"
    & skf18("9","6","4","5","2","6","1") = "8"
    & skf18("9","6","4","5","2","7","1") = "8"
    & skf18("9","6","4","5","2","8","1") = "8"
    & skf18("9","6","4","5","2","9","1") = "8"
    & skf18("9","6","4","5","2","10","1") = "9"
    & skf18("9","6","4","5","3","1","1") = "8"
    & skf18("9","6","4","5","3","2","1") = "8"
    & skf18("9","6","4","5","3","3","1") = "8"
    & skf18("9","6","4","5","3","4","1") = "8"
    & skf18("9","6","4","5","3","5","1") = "8"
    & skf18("9","6","4","5","3","6","1") = "8"
    & skf18("9","6","4","5","3","7","1") = "8"
    & skf18("9","6","4","5","3","8","1") = "8"
    & skf18("9","6","4","5","3","9","1") = "8"
    & skf18("9","6","4","5","3","10","1") = "9"
    & skf18("9","6","4","5","4","1","1") = "8"
    & skf18("9","6","4","5","4","2","1") = "8"
    & skf18("9","6","4","5","4","3","1") = "8"
    & skf18("9","6","4","5","4","4","1") = "8"
    & skf18("9","6","4","5","4","5","1") = "8"
    & skf18("9","6","4","5","4","6","1") = "8"
    & skf18("9","6","4","5","4","7","1") = "8"
    & skf18("9","6","4","5","4","8","1") = "8"
    & skf18("9","6","4","5","4","9","1") = "8"
    & skf18("9","6","4","5","4","10","1") = "9"
    & skf18("9","6","4","5","5","1","1") = "8"
    & skf18("9","6","4","5","5","2","1") = "8"
    & skf18("9","6","4","5","5","3","1") = "8"
    & skf18("9","6","4","5","5","4","1") = "8"
    & skf18("9","6","4","5","5","5","1") = "8"
    & skf18("9","6","4","5","5","6","1") = "8"
    & skf18("9","6","4","5","5","7","1") = "8"
    & skf18("9","6","4","5","5","8","1") = "8"
    & skf18("9","6","4","5","5","9","1") = "8"
    & skf18("9","6","4","5","5","10","1") = "9"
    & skf18("9","6","4","5","6","1","1") = "8"
    & skf18("9","6","4","5","6","2","1") = "8"
    & skf18("9","6","4","5","6","3","1") = "8"
    & skf18("9","6","4","5","6","4","1") = "8"
    & skf18("9","6","4","5","6","5","1") = "8"
    & skf18("9","6","4","5","6","6","1") = "8"
    & skf18("9","6","4","5","6","7","1") = "8"
    & skf18("9","6","4","5","6","8","1") = "8"
    & skf18("9","6","4","5","6","9","1") = "8"
    & skf18("9","6","4","5","6","10","1") = "9"
    & skf18("9","6","4","5","7","1","1") = "8"
    & skf18("9","6","4","5","7","2","1") = "8"
    & skf18("9","6","4","5","7","3","1") = "8"
    & skf18("9","6","4","5","7","4","1") = "8"
    & skf18("9","6","4","5","7","5","1") = "8"
    & skf18("9","6","4","5","7","6","1") = "8"
    & skf18("9","6","4","5","7","7","1") = "8"
    & skf18("9","6","4","5","7","8","1") = "8"
    & skf18("9","6","4","5","7","9","1") = "8"
    & skf18("9","6","4","5","7","10","1") = "9"
    & skf18("9","6","4","5","8","1","1") = "8"
    & skf18("9","6","4","5","8","2","1") = "8"
    & skf18("9","6","4","5","8","3","1") = "8"
    & skf18("9","6","4","5","8","4","1") = "8"
    & skf18("9","6","4","5","8","5","1") = "8"
    & skf18("9","6","4","5","8","6","1") = "8"
    & skf18("9","6","4","5","8","7","1") = "8"
    & skf18("9","6","4","5","8","8","1") = "8"
    & skf18("9","6","4","5","8","9","1") = "8"
    & skf18("9","6","4","5","8","10","1") = "9"
    & skf18("9","6","4","5","9","1","1") = "8"
    & skf18("9","6","4","5","9","2","1") = "8"
    & skf18("9","6","4","5","9","3","1") = "8"
    & skf18("9","6","4","5","9","4","1") = "8"
    & skf18("9","6","4","5","9","5","1") = "8"
    & skf18("9","6","4","5","9","6","1") = "8"
    & skf18("9","6","4","5","9","7","1") = "8"
    & skf18("9","6","4","5","9","8","1") = "8"
    & skf18("9","6","4","5","9","9","1") = "8"
    & skf18("9","6","4","5","9","10","1") = "9"
    & skf18("9","6","4","5","10","1","1") = "9"
    & skf18("9","6","4","5","10","2","1") = "9"
    & skf18("9","6","4","5","10","3","1") = "9"
    & skf18("9","6","4","5","10","4","1") = "9"
    & skf18("9","6","4","5","10","5","1") = "9"
    & skf18("9","6","4","5","10","6","1") = "9"
    & skf18("9","6","4","5","10","7","1") = "9"
    & skf18("9","6","4","5","10","8","1") = "9"
    & skf18("9","6","4","5","10","9","1") = "9"
    & skf18("9","6","4","5","10","10","1") = "9"
    & skf18("9","6","4","6","1","1","1") = "8"
    & skf18("9","6","4","6","1","2","1") = "8"
    & skf18("9","6","4","6","1","3","1") = "8"
    & skf18("9","6","4","6","1","4","1") = "8"
    & skf18("9","6","4","6","1","5","1") = "8"
    & skf18("9","6","4","6","1","6","1") = "8"
    & skf18("9","6","4","6","1","7","1") = "8"
    & skf18("9","6","4","6","1","8","1") = "8"
    & skf18("9","6","4","6","1","9","1") = "8"
    & skf18("9","6","4","6","1","10","1") = "9"
    & skf18("9","6","4","6","2","1","1") = "8"
    & skf18("9","6","4","6","2","2","1") = "8"
    & skf18("9","6","4","6","2","3","1") = "8"
    & skf18("9","6","4","6","2","4","1") = "8"
    & skf18("9","6","4","6","2","5","1") = "8"
    & skf18("9","6","4","6","2","6","1") = "8"
    & skf18("9","6","4","6","2","7","1") = "8"
    & skf18("9","6","4","6","2","8","1") = "8"
    & skf18("9","6","4","6","2","9","1") = "8"
    & skf18("9","6","4","6","2","10","1") = "9"
    & skf18("9","6","4","6","3","1","1") = "8"
    & skf18("9","6","4","6","3","2","1") = "8"
    & skf18("9","6","4","6","3","3","1") = "8"
    & skf18("9","6","4","6","3","4","1") = "8"
    & skf18("9","6","4","6","3","5","1") = "8"
    & skf18("9","6","4","6","3","6","1") = "8"
    & skf18("9","6","4","6","3","7","1") = "8"
    & skf18("9","6","4","6","3","8","1") = "8"
    & skf18("9","6","4","6","3","9","1") = "8"
    & skf18("9","6","4","6","3","10","1") = "9"
    & skf18("9","6","4","6","4","1","1") = "8"
    & skf18("9","6","4","6","4","2","1") = "8"
    & skf18("9","6","4","6","4","3","1") = "8"
    & skf18("9","6","4","6","4","4","1") = "8"
    & skf18("9","6","4","6","4","5","1") = "8"
    & skf18("9","6","4","6","4","6","1") = "8"
    & skf18("9","6","4","6","4","7","1") = "8"
    & skf18("9","6","4","6","4","8","1") = "8"
    & skf18("9","6","4","6","4","9","1") = "8"
    & skf18("9","6","4","6","4","10","1") = "9"
    & skf18("9","6","4","6","5","1","1") = "8"
    & skf18("9","6","4","6","5","2","1") = "8"
    & skf18("9","6","4","6","5","3","1") = "8"
    & skf18("9","6","4","6","5","4","1") = "8"
    & skf18("9","6","4","6","5","5","1") = "8"
    & skf18("9","6","4","6","5","6","1") = "8"
    & skf18("9","6","4","6","5","7","1") = "8"
    & skf18("9","6","4","6","5","8","1") = "8"
    & skf18("9","6","4","6","5","9","1") = "8"
    & skf18("9","6","4","6","5","10","1") = "9"
    & skf18("9","6","4","6","6","1","1") = "8"
    & skf18("9","6","4","6","6","2","1") = "8"
    & skf18("9","6","4","6","6","3","1") = "8"
    & skf18("9","6","4","6","6","4","1") = "8"
    & skf18("9","6","4","6","6","5","1") = "8"
    & skf18("9","6","4","6","6","6","1") = "8"
    & skf18("9","6","4","6","6","7","1") = "8"
    & skf18("9","6","4","6","6","8","1") = "8"
    & skf18("9","6","4","6","6","9","1") = "8"
    & skf18("9","6","4","6","6","10","1") = "9"
    & skf18("9","6","4","6","7","1","1") = "8"
    & skf18("9","6","4","6","7","2","1") = "8"
    & skf18("9","6","4","6","7","3","1") = "8"
    & skf18("9","6","4","6","7","4","1") = "8"
    & skf18("9","6","4","6","7","5","1") = "8"
    & skf18("9","6","4","6","7","6","1") = "8"
    & skf18("9","6","4","6","7","7","1") = "8"
    & skf18("9","6","4","6","7","8","1") = "8"
    & skf18("9","6","4","6","7","9","1") = "8"
    & skf18("9","6","4","6","7","10","1") = "9"
    & skf18("9","6","4","6","8","1","1") = "8"
    & skf18("9","6","4","6","8","2","1") = "8"
    & skf18("9","6","4","6","8","3","1") = "8"
    & skf18("9","6","4","6","8","4","1") = "8"
    & skf18("9","6","4","6","8","5","1") = "8"
    & skf18("9","6","4","6","8","6","1") = "8"
    & skf18("9","6","4","6","8","7","1") = "8"
    & skf18("9","6","4","6","8","8","1") = "8"
    & skf18("9","6","4","6","8","9","1") = "8"
    & skf18("9","6","4","6","8","10","1") = "9"
    & skf18("9","6","4","6","9","1","1") = "8"
    & skf18("9","6","4","6","9","2","1") = "8"
    & skf18("9","6","4","6","9","3","1") = "8"
    & skf18("9","6","4","6","9","4","1") = "8"
    & skf18("9","6","4","6","9","5","1") = "8"
    & skf18("9","6","4","6","9","6","1") = "8"
    & skf18("9","6","4","6","9","7","1") = "8"
    & skf18("9","6","4","6","9","8","1") = "8"
    & skf18("9","6","4","6","9","9","1") = "8"
    & skf18("9","6","4","6","9","10","1") = "9"
    & skf18("9","6","4","6","10","1","1") = "9"
    & skf18("9","6","4","6","10","2","1") = "9"
    & skf18("9","6","4","6","10","3","1") = "9"
    & skf18("9","6","4","6","10","4","1") = "9"
    & skf18("9","6","4","6","10","5","1") = "9"
    & skf18("9","6","4","6","10","6","1") = "9"
    & skf18("9","6","4","6","10","7","1") = "9"
    & skf18("9","6","4","6","10","8","1") = "9"
    & skf18("9","6","4","6","10","9","1") = "9"
    & skf18("9","6","4","6","10","10","1") = "9"
    & skf18("9","6","4","7","1","1","1") = "8"
    & skf18("9","6","4","7","1","2","1") = "8"
    & skf18("9","6","4","7","1","3","1") = "8"
    & skf18("9","6","4","7","1","4","1") = "8"
    & skf18("9","6","4","7","1","5","1") = "8"
    & skf18("9","6","4","7","1","6","1") = "8"
    & skf18("9","6","4","7","1","7","1") = "8"
    & skf18("9","6","4","7","1","8","1") = "8"
    & skf18("9","6","4","7","1","9","1") = "8"
    & skf18("9","6","4","7","1","10","1") = "9"
    & skf18("9","6","4","7","2","1","1") = "8"
    & skf18("9","6","4","7","2","2","1") = "8"
    & skf18("9","6","4","7","2","3","1") = "8"
    & skf18("9","6","4","7","2","4","1") = "8"
    & skf18("9","6","4","7","2","5","1") = "8"
    & skf18("9","6","4","7","2","6","1") = "8"
    & skf18("9","6","4","7","2","7","1") = "8"
    & skf18("9","6","4","7","2","8","1") = "8"
    & skf18("9","6","4","7","2","9","1") = "8"
    & skf18("9","6","4","7","2","10","1") = "9"
    & skf18("9","6","4","7","3","1","1") = "8"
    & skf18("9","6","4","7","3","2","1") = "8"
    & skf18("9","6","4","7","3","3","1") = "8"
    & skf18("9","6","4","7","3","4","1") = "8"
    & skf18("9","6","4","7","3","5","1") = "8"
    & skf18("9","6","4","7","3","6","1") = "8"
    & skf18("9","6","4","7","3","7","1") = "8"
    & skf18("9","6","4","7","3","8","1") = "8"
    & skf18("9","6","4","7","3","9","1") = "8"
    & skf18("9","6","4","7","3","10","1") = "9"
    & skf18("9","6","4","7","4","1","1") = "8"
    & skf18("9","6","4","7","4","2","1") = "8"
    & skf18("9","6","4","7","4","3","1") = "8"
    & skf18("9","6","4","7","4","4","1") = "8"
    & skf18("9","6","4","7","4","5","1") = "8"
    & skf18("9","6","4","7","4","6","1") = "8"
    & skf18("9","6","4","7","4","7","1") = "8"
    & skf18("9","6","4","7","4","8","1") = "8"
    & skf18("9","6","4","7","4","9","1") = "8"
    & skf18("9","6","4","7","4","10","1") = "9"
    & skf18("9","6","4","7","5","1","1") = "8"
    & skf18("9","6","4","7","5","2","1") = "8"
    & skf18("9","6","4","7","5","3","1") = "8"
    & skf18("9","6","4","7","5","4","1") = "8"
    & skf18("9","6","4","7","5","5","1") = "8"
    & skf18("9","6","4","7","5","6","1") = "8"
    & skf18("9","6","4","7","5","7","1") = "8"
    & skf18("9","6","4","7","5","8","1") = "8"
    & skf18("9","6","4","7","5","9","1") = "8"
    & skf18("9","6","4","7","5","10","1") = "9"
    & skf18("9","6","4","7","6","1","1") = "8"
    & skf18("9","6","4","7","6","2","1") = "8"
    & skf18("9","6","4","7","6","3","1") = "8"
    & skf18("9","6","4","7","6","4","1") = "8"
    & skf18("9","6","4","7","6","5","1") = "8"
    & skf18("9","6","4","7","6","6","1") = "8"
    & skf18("9","6","4","7","6","7","1") = "8"
    & skf18("9","6","4","7","6","8","1") = "8"
    & skf18("9","6","4","7","6","9","1") = "8"
    & skf18("9","6","4","7","6","10","1") = "9"
    & skf18("9","6","4","7","7","1","1") = "8"
    & skf18("9","6","4","7","7","2","1") = "8"
    & skf18("9","6","4","7","7","3","1") = "8"
    & skf18("9","6","4","7","7","4","1") = "8"
    & skf18("9","6","4","7","7","5","1") = "8"
    & skf18("9","6","4","7","7","6","1") = "8"
    & skf18("9","6","4","7","7","7","1") = "8"
    & skf18("9","6","4","7","7","8","1") = "8"
    & skf18("9","6","4","7","7","9","1") = "8"
    & skf18("9","6","4","7","7","10","1") = "9"
    & skf18("9","6","4","7","8","1","1") = "8"
    & skf18("9","6","4","7","8","2","1") = "8"
    & skf18("9","6","4","7","8","3","1") = "8"
    & skf18("9","6","4","7","8","4","1") = "8"
    & skf18("9","6","4","7","8","5","1") = "8"
    & skf18("9","6","4","7","8","6","1") = "8"
    & skf18("9","6","4","7","8","7","1") = "8"
    & skf18("9","6","4","7","8","8","1") = "8"
    & skf18("9","6","4","7","8","9","1") = "8"
    & skf18("9","6","4","7","8","10","1") = "9"
    & skf18("9","6","4","7","9","1","1") = "8"
    & skf18("9","6","4","7","9","2","1") = "8"
    & skf18("9","6","4","7","9","3","1") = "8"
    & skf18("9","6","4","7","9","4","1") = "8"
    & skf18("9","6","4","7","9","5","1") = "8"
    & skf18("9","6","4","7","9","6","1") = "8"
    & skf18("9","6","4","7","9","7","1") = "8"
    & skf18("9","6","4","7","9","8","1") = "8"
    & skf18("9","6","4","7","9","9","1") = "8"
    & skf18("9","6","4","7","9","10","1") = "9"
    & skf18("9","6","4","7","10","1","1") = "9"
    & skf18("9","6","4","7","10","2","1") = "9"
    & skf18("9","6","4","7","10","3","1") = "9"
    & skf18("9","6","4","7","10","4","1") = "9"
    & skf18("9","6","4","7","10","5","1") = "9"
    & skf18("9","6","4","7","10","6","1") = "9"
    & skf18("9","6","4","7","10","7","1") = "9"
    & skf18("9","6","4","7","10","8","1") = "9"
    & skf18("9","6","4","7","10","9","1") = "9"
    & skf18("9","6","4","7","10","10","1") = "9"
    & skf18("9","6","4","8","1","1","1") = "8"
    & skf18("9","6","4","8","1","2","1") = "8"
    & skf18("9","6","4","8","1","3","1") = "8"
    & skf18("9","6","4","8","1","4","1") = "8"
    & skf18("9","6","4","8","1","5","1") = "8"
    & skf18("9","6","4","8","1","6","1") = "8"
    & skf18("9","6","4","8","1","7","1") = "8"
    & skf18("9","6","4","8","1","8","1") = "8"
    & skf18("9","6","4","8","1","9","1") = "8"
    & skf18("9","6","4","8","1","10","1") = "9"
    & skf18("9","6","4","8","2","1","1") = "8"
    & skf18("9","6","4","8","2","2","1") = "8"
    & skf18("9","6","4","8","2","3","1") = "8"
    & skf18("9","6","4","8","2","4","1") = "8"
    & skf18("9","6","4","8","2","5","1") = "8"
    & skf18("9","6","4","8","2","6","1") = "8"
    & skf18("9","6","4","8","2","7","1") = "8"
    & skf18("9","6","4","8","2","8","1") = "8"
    & skf18("9","6","4","8","2","9","1") = "8"
    & skf18("9","6","4","8","2","10","1") = "9"
    & skf18("9","6","4","8","3","1","1") = "8"
    & skf18("9","6","4","8","3","2","1") = "8"
    & skf18("9","6","4","8","3","3","1") = "8"
    & skf18("9","6","4","8","3","4","1") = "8"
    & skf18("9","6","4","8","3","5","1") = "8"
    & skf18("9","6","4","8","3","6","1") = "8"
    & skf18("9","6","4","8","3","7","1") = "8"
    & skf18("9","6","4","8","3","8","1") = "8"
    & skf18("9","6","4","8","3","9","1") = "8"
    & skf18("9","6","4","8","3","10","1") = "9"
    & skf18("9","6","4","8","4","1","1") = "8"
    & skf18("9","6","4","8","4","2","1") = "8"
    & skf18("9","6","4","8","4","3","1") = "8"
    & skf18("9","6","4","8","4","4","1") = "8"
    & skf18("9","6","4","8","4","5","1") = "8"
    & skf18("9","6","4","8","4","6","1") = "8"
    & skf18("9","6","4","8","4","7","1") = "8"
    & skf18("9","6","4","8","4","8","1") = "8"
    & skf18("9","6","4","8","4","9","1") = "8"
    & skf18("9","6","4","8","4","10","1") = "9"
    & skf18("9","6","4","8","5","1","1") = "8"
    & skf18("9","6","4","8","5","2","1") = "8"
    & skf18("9","6","4","8","5","3","1") = "8"
    & skf18("9","6","4","8","5","4","1") = "8"
    & skf18("9","6","4","8","5","5","1") = "8"
    & skf18("9","6","4","8","5","6","1") = "8"
    & skf18("9","6","4","8","5","7","1") = "8"
    & skf18("9","6","4","8","5","8","1") = "8"
    & skf18("9","6","4","8","5","9","1") = "8"
    & skf18("9","6","4","8","5","10","1") = "9"
    & skf18("9","6","4","8","6","1","1") = "8"
    & skf18("9","6","4","8","6","2","1") = "8"
    & skf18("9","6","4","8","6","3","1") = "8"
    & skf18("9","6","4","8","6","4","1") = "8"
    & skf18("9","6","4","8","6","5","1") = "8"
    & skf18("9","6","4","8","6","6","1") = "8"
    & skf18("9","6","4","8","6","7","1") = "8"
    & skf18("9","6","4","8","6","8","1") = "8"
    & skf18("9","6","4","8","6","9","1") = "8"
    & skf18("9","6","4","8","6","10","1") = "9"
    & skf18("9","6","4","8","7","1","1") = "8"
    & skf18("9","6","4","8","7","2","1") = "8"
    & skf18("9","6","4","8","7","3","1") = "8"
    & skf18("9","6","4","8","7","4","1") = "8"
    & skf18("9","6","4","8","7","5","1") = "8"
    & skf18("9","6","4","8","7","6","1") = "8"
    & skf18("9","6","4","8","7","7","1") = "8"
    & skf18("9","6","4","8","7","8","1") = "8"
    & skf18("9","6","4","8","7","9","1") = "8"
    & skf18("9","6","4","8","7","10","1") = "9"
    & skf18("9","6","4","8","8","1","1") = "8"
    & skf18("9","6","4","8","8","2","1") = "8"
    & skf18("9","6","4","8","8","3","1") = "8"
    & skf18("9","6","4","8","8","4","1") = "8"
    & skf18("9","6","4","8","8","5","1") = "8"
    & skf18("9","6","4","8","8","6","1") = "8"
    & skf18("9","6","4","8","8","7","1") = "8"
    & skf18("9","6","4","8","8","8","1") = "8"
    & skf18("9","6","4","8","8","9","1") = "8"
    & skf18("9","6","4","8","8","10","1") = "9"
    & skf18("9","6","4","8","9","1","1") = "8"
    & skf18("9","6","4","8","9","2","1") = "8"
    & skf18("9","6","4","8","9","3","1") = "8"
    & skf18("9","6","4","8","9","4","1") = "8"
    & skf18("9","6","4","8","9","5","1") = "8"
    & skf18("9","6","4","8","9","6","1") = "8"
    & skf18("9","6","4","8","9","7","1") = "8"
    & skf18("9","6","4","8","9","8","1") = "8"
    & skf18("9","6","4","8","9","9","1") = "8"
    & skf18("9","6","4","8","9","10","1") = "9"
    & skf18("9","6","4","8","10","1","1") = "9"
    & skf18("9","6","4","8","10","2","1") = "9"
    & skf18("9","6","4","8","10","3","1") = "9"
    & skf18("9","6","4","8","10","4","1") = "9"
    & skf18("9","6","4","8","10","5","1") = "9"
    & skf18("9","6","4","8","10","6","1") = "9"
    & skf18("9","6","4","8","10","7","1") = "9"
    & skf18("9","6","4","8","10","8","1") = "9"
    & skf18("9","6","4","8","10","9","1") = "9"
    & skf18("9","6","4","8","10","10","1") = "9"
    & skf18("9","6","4","9","1","1","1") = "8"
    & skf18("9","6","4","9","1","2","1") = "8"
    & skf18("9","6","4","9","1","3","1") = "8"
    & skf18("9","6","4","9","1","4","1") = "8"
    & skf18("9","6","4","9","1","5","1") = "8"
    & skf18("9","6","4","9","1","6","1") = "8"
    & skf18("9","6","4","9","1","7","1") = "8"
    & skf18("9","6","4","9","1","8","1") = "8"
    & skf18("9","6","4","9","1","9","1") = "8"
    & skf18("9","6","4","9","1","10","1") = "9"
    & skf18("9","6","4","9","2","1","1") = "8"
    & skf18("9","6","4","9","2","2","1") = "8"
    & skf18("9","6","4","9","2","3","1") = "8"
    & skf18("9","6","4","9","2","4","1") = "8"
    & skf18("9","6","4","9","2","5","1") = "8"
    & skf18("9","6","4","9","2","6","1") = "8"
    & skf18("9","6","4","9","2","7","1") = "8"
    & skf18("9","6","4","9","2","8","1") = "8"
    & skf18("9","6","4","9","2","9","1") = "8"
    & skf18("9","6","4","9","2","10","1") = "9"
    & skf18("9","6","4","9","3","1","1") = "8"
    & skf18("9","6","4","9","3","2","1") = "8"
    & skf18("9","6","4","9","3","3","1") = "8"
    & skf18("9","6","4","9","3","4","1") = "8"
    & skf18("9","6","4","9","3","5","1") = "8"
    & skf18("9","6","4","9","3","6","1") = "8"
    & skf18("9","6","4","9","3","7","1") = "8"
    & skf18("9","6","4","9","3","8","1") = "8"
    & skf18("9","6","4","9","3","9","1") = "8"
    & skf18("9","6","4","9","3","10","1") = "9"
    & skf18("9","6","4","9","4","1","1") = "8"
    & skf18("9","6","4","9","4","2","1") = "8"
    & skf18("9","6","4","9","4","3","1") = "8"
    & skf18("9","6","4","9","4","4","1") = "8"
    & skf18("9","6","4","9","4","5","1") = "8"
    & skf18("9","6","4","9","4","6","1") = "8"
    & skf18("9","6","4","9","4","7","1") = "8"
    & skf18("9","6","4","9","4","8","1") = "8"
    & skf18("9","6","4","9","4","9","1") = "8"
    & skf18("9","6","4","9","4","10","1") = "9"
    & skf18("9","6","4","9","5","1","1") = "8"
    & skf18("9","6","4","9","5","2","1") = "8"
    & skf18("9","6","4","9","5","3","1") = "8"
    & skf18("9","6","4","9","5","4","1") = "8"
    & skf18("9","6","4","9","5","5","1") = "8"
    & skf18("9","6","4","9","5","6","1") = "8"
    & skf18("9","6","4","9","5","7","1") = "8"
    & skf18("9","6","4","9","5","8","1") = "8"
    & skf18("9","6","4","9","5","9","1") = "8"
    & skf18("9","6","4","9","5","10","1") = "9"
    & skf18("9","6","4","9","6","1","1") = "8"
    & skf18("9","6","4","9","6","2","1") = "8"
    & skf18("9","6","4","9","6","3","1") = "8"
    & skf18("9","6","4","9","6","4","1") = "8"
    & skf18("9","6","4","9","6","5","1") = "8"
    & skf18("9","6","4","9","6","6","1") = "8"
    & skf18("9","6","4","9","6","7","1") = "8"
    & skf18("9","6","4","9","6","8","1") = "8"
    & skf18("9","6","4","9","6","9","1") = "8"
    & skf18("9","6","4","9","6","10","1") = "9"
    & skf18("9","6","4","9","7","1","1") = "8"
    & skf18("9","6","4","9","7","2","1") = "8"
    & skf18("9","6","4","9","7","3","1") = "8"
    & skf18("9","6","4","9","7","4","1") = "8"
    & skf18("9","6","4","9","7","5","1") = "8"
    & skf18("9","6","4","9","7","6","1") = "8"
    & skf18("9","6","4","9","7","7","1") = "8"
    & skf18("9","6","4","9","7","8","1") = "8"
    & skf18("9","6","4","9","7","9","1") = "8"
    & skf18("9","6","4","9","7","10","1") = "9"
    & skf18("9","6","4","9","8","1","1") = "8"
    & skf18("9","6","4","9","8","2","1") = "8"
    & skf18("9","6","4","9","8","3","1") = "8"
    & skf18("9","6","4","9","8","4","1") = "8"
    & skf18("9","6","4","9","8","5","1") = "8"
    & skf18("9","6","4","9","8","6","1") = "8"
    & skf18("9","6","4","9","8","7","1") = "8"
    & skf18("9","6","4","9","8","8","1") = "8"
    & skf18("9","6","4","9","8","9","1") = "8"
    & skf18("9","6","4","9","8","10","1") = "9"
    & skf18("9","6","4","9","9","1","1") = "8"
    & skf18("9","6","4","9","9","2","1") = "8"
    & skf18("9","6","4","9","9","3","1") = "8"
    & skf18("9","6","4","9","9","4","1") = "8"
    & skf18("9","6","4","9","9","5","1") = "8"
    & skf18("9","6","4","9","9","6","1") = "8"
    & skf18("9","6","4","9","9","7","1") = "8"
    & skf18("9","6","4","9","9","8","1") = "8"
    & skf18("9","6","4","9","9","9","1") = "8"
    & skf18("9","6","4","9","9","10","1") = "9"
    & skf18("9","6","4","9","10","1","1") = "9"
    & skf18("9","6","4","9","10","2","1") = "9"
    & skf18("9","6","4","9","10","3","1") = "9"
    & skf18("9","6","4","9","10","4","1") = "9"
    & skf18("9","6","4","9","10","5","1") = "9"
    & skf18("9","6","4","9","10","6","1") = "9"
    & skf18("9","6","4","9","10","7","1") = "9"
    & skf18("9","6","4","9","10","8","1") = "9"
    & skf18("9","6","4","9","10","9","1") = "9"
    & skf18("9","6","4","9","10","10","1") = "9"
    & skf18("9","6","4","10","1","1","1") = "9"
    & skf18("9","6","4","10","1","2","1") = "9"
    & skf18("9","6","4","10","1","3","1") = "9"
    & skf18("9","6","4","10","1","4","1") = "9"
    & skf18("9","6","4","10","1","5","1") = "9"
    & skf18("9","6","4","10","1","6","1") = "9"
    & skf18("9","6","4","10","1","7","1") = "9"
    & skf18("9","6","4","10","1","8","1") = "9"
    & skf18("9","6","4","10","1","9","1") = "9"
    & skf18("9","6","4","10","1","10","1") = "9"
    & skf18("9","6","4","10","2","1","1") = "9"
    & skf18("9","6","4","10","2","2","1") = "9"
    & skf18("9","6","4","10","2","3","1") = "9"
    & skf18("9","6","4","10","2","4","1") = "9"
    & skf18("9","6","4","10","2","5","1") = "9"
    & skf18("9","6","4","10","2","6","1") = "9"
    & skf18("9","6","4","10","2","7","1") = "9"
    & skf18("9","6","4","10","2","8","1") = "9"
    & skf18("9","6","4","10","2","9","1") = "9"
    & skf18("9","6","4","10","2","10","1") = "9"
    & skf18("9","6","4","10","3","1","1") = "9"
    & skf18("9","6","4","10","3","2","1") = "9"
    & skf18("9","6","4","10","3","3","1") = "9"
    & skf18("9","6","4","10","3","4","1") = "9"
    & skf18("9","6","4","10","3","5","1") = "9"
    & skf18("9","6","4","10","3","6","1") = "9"
    & skf18("9","6","4","10","3","7","1") = "9"
    & skf18("9","6","4","10","3","8","1") = "9"
    & skf18("9","6","4","10","3","9","1") = "9"
    & skf18("9","6","4","10","3","10","1") = "9"
    & skf18("9","6","4","10","4","1","1") = "9"
    & skf18("9","6","4","10","4","2","1") = "9"
    & skf18("9","6","4","10","4","3","1") = "9"
    & skf18("9","6","4","10","4","4","1") = "9"
    & skf18("9","6","4","10","4","5","1") = "9"
    & skf18("9","6","4","10","4","6","1") = "9"
    & skf18("9","6","4","10","4","7","1") = "9"
    & skf18("9","6","4","10","4","8","1") = "9"
    & skf18("9","6","4","10","4","9","1") = "9"
    & skf18("9","6","4","10","4","10","1") = "9"
    & skf18("9","6","4","10","5","1","1") = "9"
    & skf18("9","6","4","10","5","2","1") = "9"
    & skf18("9","6","4","10","5","3","1") = "9"
    & skf18("9","6","4","10","5","4","1") = "9"
    & skf18("9","6","4","10","5","5","1") = "9"
    & skf18("9","6","4","10","5","6","1") = "9"
    & skf18("9","6","4","10","5","7","1") = "9"
    & skf18("9","6","4","10","5","8","1") = "9"
    & skf18("9","6","4","10","5","9","1") = "9"
    & skf18("9","6","4","10","5","10","1") = "9"
    & skf18("9","6","4","10","6","1","1") = "9"
    & skf18("9","6","4","10","6","2","1") = "9"
    & skf18("9","6","4","10","6","3","1") = "9"
    & skf18("9","6","4","10","6","4","1") = "9"
    & skf18("9","6","4","10","6","5","1") = "9"
    & skf18("9","6","4","10","6","6","1") = "9"
    & skf18("9","6","4","10","6","7","1") = "9"
    & skf18("9","6","4","10","6","8","1") = "9"
    & skf18("9","6","4","10","6","9","1") = "9"
    & skf18("9","6","4","10","6","10","1") = "9"
    & skf18("9","6","4","10","7","1","1") = "9"
    & skf18("9","6","4","10","7","2","1") = "9"
    & skf18("9","6","4","10","7","3","1") = "9"
    & skf18("9","6","4","10","7","4","1") = "9"
    & skf18("9","6","4","10","7","5","1") = "9"
    & skf18("9","6","4","10","7","6","1") = "9"
    & skf18("9","6","4","10","7","7","1") = "9"
    & skf18("9","6","4","10","7","8","1") = "9"
    & skf18("9","6","4","10","7","9","1") = "9"
    & skf18("9","6","4","10","7","10","1") = "9"
    & skf18("9","6","4","10","8","1","1") = "9"
    & skf18("9","6","4","10","8","2","1") = "9"
    & skf18("9","6","4","10","8","3","1") = "9"
    & skf18("9","6","4","10","8","4","1") = "9"
    & skf18("9","6","4","10","8","5","1") = "9"
    & skf18("9","6","4","10","8","6","1") = "9"
    & skf18("9","6","4","10","8","7","1") = "9"
    & skf18("9","6","4","10","8","8","1") = "9"
    & skf18("9","6","4","10","8","9","1") = "9"
    & skf18("9","6","4","10","8","10","1") = "9"
    & skf18("9","6","4","10","9","1","1") = "9"
    & skf18("9","6","4","10","9","2","1") = "9"
    & skf18("9","6","4","10","9","3","1") = "9"
    & skf18("9","6","4","10","9","4","1") = "9"
    & skf18("9","6","4","10","9","5","1") = "9"
    & skf18("9","6","4","10","9","6","1") = "9"
    & skf18("9","6","4","10","9","7","1") = "9"
    & skf18("9","6","4","10","9","8","1") = "9"
    & skf18("9","6","4","10","9","9","1") = "9"
    & skf18("9","6","4","10","9","10","1") = "9"
    & skf18("9","6","4","10","10","1","1") = "9"
    & skf18("9","6","4","10","10","2","1") = "9"
    & skf18("9","6","4","10","10","3","1") = "9"
    & skf18("9","6","4","10","10","4","1") = "9"
    & skf18("9","6","4","10","10","5","1") = "9"
    & skf18("9","6","4","10","10","6","1") = "9"
    & skf18("9","6","4","10","10","7","1") = "9"
    & skf18("9","6","4","10","10","8","1") = "9"
    & skf18("9","6","4","10","10","9","1") = "9"
    & skf18("9","6","4","10","10","10","1") = "9"
    & skf18("9","6","5","1","1","1","1") = "8"
    & skf18("9","6","5","1","1","2","1") = "8"
    & skf18("9","6","5","1","1","3","1") = "8"
    & skf18("9","6","5","1","1","4","1") = "8"
    & skf18("9","6","5","1","1","5","1") = "8"
    & skf18("9","6","5","1","1","6","1") = "8"
    & skf18("9","6","5","1","1","7","1") = "8"
    & skf18("9","6","5","1","1","8","1") = "8"
    & skf18("9","6","5","1","1","9","1") = "8"
    & skf18("9","6","5","1","1","10","1") = "9"
    & skf18("9","6","5","1","2","1","1") = "8"
    & skf18("9","6","5","1","2","2","1") = "8"
    & skf18("9","6","5","1","2","3","1") = "8"
    & skf18("9","6","5","1","2","4","1") = "8"
    & skf18("9","6","5","1","2","5","1") = "8"
    & skf18("9","6","5","1","2","6","1") = "8"
    & skf18("9","6","5","1","2","7","1") = "8"
    & skf18("9","6","5","1","2","8","1") = "8"
    & skf18("9","6","5","1","2","9","1") = "8"
    & skf18("9","6","5","1","2","10","1") = "9"
    & skf18("9","6","5","1","3","1","1") = "8"
    & skf18("9","6","5","1","3","2","1") = "8"
    & skf18("9","6","5","1","3","3","1") = "8"
    & skf18("9","6","5","1","3","4","1") = "8"
    & skf18("9","6","5","1","3","5","1") = "8"
    & skf18("9","6","5","1","3","6","1") = "8"
    & skf18("9","6","5","1","3","7","1") = "8"
    & skf18("9","6","5","1","3","8","1") = "8"
    & skf18("9","6","5","1","3","9","1") = "8"
    & skf18("9","6","5","1","3","10","1") = "9"
    & skf18("9","6","5","1","4","1","1") = "8"
    & skf18("9","6","5","1","4","2","1") = "8"
    & skf18("9","6","5","1","4","3","1") = "8"
    & skf18("9","6","5","1","4","4","1") = "8"
    & skf18("9","6","5","1","4","5","1") = "8"
    & skf18("9","6","5","1","4","6","1") = "8"
    & skf18("9","6","5","1","4","7","1") = "8"
    & skf18("9","6","5","1","4","8","1") = "8"
    & skf18("9","6","5","1","4","9","1") = "8"
    & skf18("9","6","5","1","4","10","1") = "9"
    & skf18("9","6","5","1","5","1","1") = "8"
    & skf18("9","6","5","1","5","2","1") = "8"
    & skf18("9","6","5","1","5","3","1") = "8"
    & skf18("9","6","5","1","5","4","1") = "8"
    & skf18("9","6","5","1","5","5","1") = "8"
    & skf18("9","6","5","1","5","6","1") = "8"
    & skf18("9","6","5","1","5","7","1") = "8"
    & skf18("9","6","5","1","5","8","1") = "8"
    & skf18("9","6","5","1","5","9","1") = "8"
    & skf18("9","6","5","1","5","10","1") = "9"
    & skf18("9","6","5","1","6","1","1") = "8"
    & skf18("9","6","5","1","6","2","1") = "8"
    & skf18("9","6","5","1","6","3","1") = "8"
    & skf18("9","6","5","1","6","4","1") = "8"
    & skf18("9","6","5","1","6","5","1") = "8"
    & skf18("9","6","5","1","6","6","1") = "8"
    & skf18("9","6","5","1","6","7","1") = "8"
    & skf18("9","6","5","1","6","8","1") = "8"
    & skf18("9","6","5","1","6","9","1") = "8"
    & skf18("9","6","5","1","6","10","1") = "9"
    & skf18("9","6","5","1","7","1","1") = "8"
    & skf18("9","6","5","1","7","2","1") = "8"
    & skf18("9","6","5","1","7","3","1") = "8"
    & skf18("9","6","5","1","7","4","1") = "8"
    & skf18("9","6","5","1","7","5","1") = "8"
    & skf18("9","6","5","1","7","6","1") = "8"
    & skf18("9","6","5","1","7","7","1") = "8"
    & skf18("9","6","5","1","7","8","1") = "8"
    & skf18("9","6","5","1","7","9","1") = "8"
    & skf18("9","6","5","1","7","10","1") = "9"
    & skf18("9","6","5","1","8","1","1") = "8"
    & skf18("9","6","5","1","8","2","1") = "8"
    & skf18("9","6","5","1","8","3","1") = "8"
    & skf18("9","6","5","1","8","4","1") = "8"
    & skf18("9","6","5","1","8","5","1") = "8"
    & skf18("9","6","5","1","8","6","1") = "8"
    & skf18("9","6","5","1","8","7","1") = "8"
    & skf18("9","6","5","1","8","8","1") = "8"
    & skf18("9","6","5","1","8","9","1") = "8"
    & skf18("9","6","5","1","8","10","1") = "9"
    & skf18("9","6","5","1","9","1","1") = "8"
    & skf18("9","6","5","1","9","2","1") = "8"
    & skf18("9","6","5","1","9","3","1") = "8"
    & skf18("9","6","5","1","9","4","1") = "8"
    & skf18("9","6","5","1","9","5","1") = "8"
    & skf18("9","6","5","1","9","6","1") = "8"
    & skf18("9","6","5","1","9","7","1") = "8"
    & skf18("9","6","5","1","9","8","1") = "8"
    & skf18("9","6","5","1","9","9","1") = "8"
    & skf18("9","6","5","1","9","10","1") = "9"
    & skf18("9","6","5","1","10","1","1") = "9"
    & skf18("9","6","5","1","10","2","1") = "9"
    & skf18("9","6","5","1","10","3","1") = "9"
    & skf18("9","6","5","1","10","4","1") = "9"
    & skf18("9","6","5","1","10","5","1") = "9"
    & skf18("9","6","5","1","10","6","1") = "9"
    & skf18("9","6","5","1","10","7","1") = "9"
    & skf18("9","6","5","1","10","8","1") = "9"
    & skf18("9","6","5","1","10","9","1") = "9"
    & skf18("9","6","5","1","10","10","1") = "9"
    & skf18("9","6","5","2","1","1","1") = "8"
    & skf18("9","6","5","2","1","2","1") = "8"
    & skf18("9","6","5","2","1","3","1") = "8"
    & skf18("9","6","5","2","1","4","1") = "8"
    & skf18("9","6","5","2","1","5","1") = "8"
    & skf18("9","6","5","2","1","6","1") = "8"
    & skf18("9","6","5","2","1","7","1") = "8"
    & skf18("9","6","5","2","1","8","1") = "8"
    & skf18("9","6","5","2","1","9","1") = "8"
    & skf18("9","6","5","2","1","10","1") = "9"
    & skf18("9","6","5","2","2","1","1") = "8"
    & skf18("9","6","5","2","2","2","1") = "8"
    & skf18("9","6","5","2","2","3","1") = "8"
    & skf18("9","6","5","2","2","4","1") = "8"
    & skf18("9","6","5","2","2","5","1") = "8"
    & skf18("9","6","5","2","2","6","1") = "8"
    & skf18("9","6","5","2","2","7","1") = "8"
    & skf18("9","6","5","2","2","8","1") = "8"
    & skf18("9","6","5","2","2","9","1") = "8"
    & skf18("9","6","5","2","2","10","1") = "9"
    & skf18("9","6","5","2","3","1","1") = "8"
    & skf18("9","6","5","2","3","2","1") = "8"
    & skf18("9","6","5","2","3","3","1") = "8"
    & skf18("9","6","5","2","3","4","1") = "8"
    & skf18("9","6","5","2","3","5","1") = "8"
    & skf18("9","6","5","2","3","6","1") = "8"
    & skf18("9","6","5","2","3","7","1") = "8"
    & skf18("9","6","5","2","3","8","1") = "8"
    & skf18("9","6","5","2","3","9","1") = "8"
    & skf18("9","6","5","2","3","10","1") = "9"
    & skf18("9","6","5","2","4","1","1") = "8"
    & skf18("9","6","5","2","4","2","1") = "8"
    & skf18("9","6","5","2","4","3","1") = "8"
    & skf18("9","6","5","2","4","4","1") = "8"
    & skf18("9","6","5","2","4","5","1") = "8"
    & skf18("9","6","5","2","4","6","1") = "8"
    & skf18("9","6","5","2","4","7","1") = "8"
    & skf18("9","6","5","2","4","8","1") = "8"
    & skf18("9","6","5","2","4","9","1") = "8"
    & skf18("9","6","5","2","4","10","1") = "9"
    & skf18("9","6","5","2","5","1","1") = "8"
    & skf18("9","6","5","2","5","2","1") = "8"
    & skf18("9","6","5","2","5","3","1") = "8"
    & skf18("9","6","5","2","5","4","1") = "8"
    & skf18("9","6","5","2","5","5","1") = "8"
    & skf18("9","6","5","2","5","6","1") = "8"
    & skf18("9","6","5","2","5","7","1") = "8"
    & skf18("9","6","5","2","5","8","1") = "8"
    & skf18("9","6","5","2","5","9","1") = "8"
    & skf18("9","6","5","2","5","10","1") = "9"
    & skf18("9","6","5","2","6","1","1") = "8"
    & skf18("9","6","5","2","6","2","1") = "8"
    & skf18("9","6","5","2","6","3","1") = "8"
    & skf18("9","6","5","2","6","4","1") = "8"
    & skf18("9","6","5","2","6","5","1") = "8"
    & skf18("9","6","5","2","6","6","1") = "8"
    & skf18("9","6","5","2","6","7","1") = "8"
    & skf18("9","6","5","2","6","8","1") = "8"
    & skf18("9","6","5","2","6","9","1") = "8"
    & skf18("9","6","5","2","6","10","1") = "9"
    & skf18("9","6","5","2","7","1","1") = "8"
    & skf18("9","6","5","2","7","2","1") = "8"
    & skf18("9","6","5","2","7","3","1") = "8"
    & skf18("9","6","5","2","7","4","1") = "8"
    & skf18("9","6","5","2","7","5","1") = "8"
    & skf18("9","6","5","2","7","6","1") = "8"
    & skf18("9","6","5","2","7","7","1") = "8"
    & skf18("9","6","5","2","7","8","1") = "8"
    & skf18("9","6","5","2","7","9","1") = "8"
    & skf18("9","6","5","2","7","10","1") = "9"
    & skf18("9","6","5","2","8","1","1") = "8"
    & skf18("9","6","5","2","8","2","1") = "8"
    & skf18("9","6","5","2","8","3","1") = "8"
    & skf18("9","6","5","2","8","4","1") = "8"
    & skf18("9","6","5","2","8","5","1") = "8"
    & skf18("9","6","5","2","8","6","1") = "8"
    & skf18("9","6","5","2","8","7","1") = "8"
    & skf18("9","6","5","2","8","8","1") = "8"
    & skf18("9","6","5","2","8","9","1") = "8"
    & skf18("9","6","5","2","8","10","1") = "9"
    & skf18("9","6","5","2","9","1","1") = "8"
    & skf18("9","6","5","2","9","2","1") = "8"
    & skf18("9","6","5","2","9","3","1") = "8"
    & skf18("9","6","5","2","9","4","1") = "8"
    & skf18("9","6","5","2","9","5","1") = "8"
    & skf18("9","6","5","2","9","6","1") = "8"
    & skf18("9","6","5","2","9","7","1") = "8"
    & skf18("9","6","5","2","9","8","1") = "8"
    & skf18("9","6","5","2","9","9","1") = "8"
    & skf18("9","6","5","2","9","10","1") = "9"
    & skf18("9","6","5","2","10","1","1") = "9"
    & skf18("9","6","5","2","10","2","1") = "9"
    & skf18("9","6","5","2","10","3","1") = "9"
    & skf18("9","6","5","2","10","4","1") = "9"
    & skf18("9","6","5","2","10","5","1") = "9"
    & skf18("9","6","5","2","10","6","1") = "9"
    & skf18("9","6","5","2","10","7","1") = "9"
    & skf18("9","6","5","2","10","8","1") = "9"
    & skf18("9","6","5","2","10","9","1") = "9"
    & skf18("9","6","5","2","10","10","1") = "9"
    & skf18("9","6","5","3","1","1","1") = "8"
    & skf18("9","6","5","3","1","2","1") = "8"
    & skf18("9","6","5","3","1","3","1") = "8"
    & skf18("9","6","5","3","1","4","1") = "8"
    & skf18("9","6","5","3","1","5","1") = "8"
    & skf18("9","6","5","3","1","6","1") = "8"
    & skf18("9","6","5","3","1","7","1") = "8"
    & skf18("9","6","5","3","1","8","1") = "8"
    & skf18("9","6","5","3","1","9","1") = "8"
    & skf18("9","6","5","3","1","10","1") = "9"
    & skf18("9","6","5","3","2","1","1") = "8"
    & skf18("9","6","5","3","2","2","1") = "8"
    & skf18("9","6","5","3","2","3","1") = "8"
    & skf18("9","6","5","3","2","4","1") = "8"
    & skf18("9","6","5","3","2","5","1") = "8"
    & skf18("9","6","5","3","2","6","1") = "8"
    & skf18("9","6","5","3","2","7","1") = "8"
    & skf18("9","6","5","3","2","8","1") = "8"
    & skf18("9","6","5","3","2","9","1") = "8"
    & skf18("9","6","5","3","2","10","1") = "9"
    & skf18("9","6","5","3","3","1","1") = "8"
    & skf18("9","6","5","3","3","2","1") = "8"
    & skf18("9","6","5","3","3","3","1") = "8"
    & skf18("9","6","5","3","3","4","1") = "8"
    & skf18("9","6","5","3","3","5","1") = "8"
    & skf18("9","6","5","3","3","6","1") = "8"
    & skf18("9","6","5","3","3","7","1") = "8"
    & skf18("9","6","5","3","3","8","1") = "8"
    & skf18("9","6","5","3","3","9","1") = "8"
    & skf18("9","6","5","3","3","10","1") = "9"
    & skf18("9","6","5","3","4","1","1") = "8"
    & skf18("9","6","5","3","4","2","1") = "8"
    & skf18("9","6","5","3","4","3","1") = "8"
    & skf18("9","6","5","3","4","4","1") = "8"
    & skf18("9","6","5","3","4","5","1") = "8"
    & skf18("9","6","5","3","4","6","1") = "8"
    & skf18("9","6","5","3","4","7","1") = "8"
    & skf18("9","6","5","3","4","8","1") = "8"
    & skf18("9","6","5","3","4","9","1") = "8"
    & skf18("9","6","5","3","4","10","1") = "9"
    & skf18("9","6","5","3","5","1","1") = "8"
    & skf18("9","6","5","3","5","2","1") = "8"
    & skf18("9","6","5","3","5","3","1") = "8"
    & skf18("9","6","5","3","5","4","1") = "8"
    & skf18("9","6","5","3","5","5","1") = "8"
    & skf18("9","6","5","3","5","6","1") = "8"
    & skf18("9","6","5","3","5","7","1") = "8"
    & skf18("9","6","5","3","5","8","1") = "8"
    & skf18("9","6","5","3","5","9","1") = "8"
    & skf18("9","6","5","3","5","10","1") = "9"
    & skf18("9","6","5","3","6","1","1") = "8"
    & skf18("9","6","5","3","6","2","1") = "8"
    & skf18("9","6","5","3","6","3","1") = "8"
    & skf18("9","6","5","3","6","4","1") = "8"
    & skf18("9","6","5","3","6","5","1") = "8"
    & skf18("9","6","5","3","6","6","1") = "8"
    & skf18("9","6","5","3","6","7","1") = "8"
    & skf18("9","6","5","3","6","8","1") = "8"
    & skf18("9","6","5","3","6","9","1") = "8"
    & skf18("9","6","5","3","6","10","1") = "9"
    & skf18("9","6","5","3","7","1","1") = "8"
    & skf18("9","6","5","3","7","2","1") = "8"
    & skf18("9","6","5","3","7","3","1") = "8"
    & skf18("9","6","5","3","7","4","1") = "8"
    & skf18("9","6","5","3","7","5","1") = "8"
    & skf18("9","6","5","3","7","6","1") = "8"
    & skf18("9","6","5","3","7","7","1") = "8"
    & skf18("9","6","5","3","7","8","1") = "8"
    & skf18("9","6","5","3","7","9","1") = "8"
    & skf18("9","6","5","3","7","10","1") = "9"
    & skf18("9","6","5","3","8","1","1") = "8"
    & skf18("9","6","5","3","8","2","1") = "8"
    & skf18("9","6","5","3","8","3","1") = "8"
    & skf18("9","6","5","3","8","4","1") = "8"
    & skf18("9","6","5","3","8","5","1") = "8"
    & skf18("9","6","5","3","8","6","1") = "8"
    & skf18("9","6","5","3","8","7","1") = "8"
    & skf18("9","6","5","3","8","8","1") = "8"
    & skf18("9","6","5","3","8","9","1") = "8"
    & skf18("9","6","5","3","8","10","1") = "9"
    & skf18("9","6","5","3","9","1","1") = "8"
    & skf18("9","6","5","3","9","2","1") = "8"
    & skf18("9","6","5","3","9","3","1") = "8"
    & skf18("9","6","5","3","9","4","1") = "8"
    & skf18("9","6","5","3","9","5","1") = "8"
    & skf18("9","6","5","3","9","6","1") = "8"
    & skf18("9","6","5","3","9","7","1") = "8"
    & skf18("9","6","5","3","9","8","1") = "8"
    & skf18("9","6","5","3","9","9","1") = "8"
    & skf18("9","6","5","3","9","10","1") = "9"
    & skf18("9","6","5","3","10","1","1") = "9"
    & skf18("9","6","5","3","10","2","1") = "9"
    & skf18("9","6","5","3","10","3","1") = "9"
    & skf18("9","6","5","3","10","4","1") = "9"
    & skf18("9","6","5","3","10","5","1") = "9"
    & skf18("9","6","5","3","10","6","1") = "9"
    & skf18("9","6","5","3","10","7","1") = "9"
    & skf18("9","6","5","3","10","8","1") = "9"
    & skf18("9","6","5","3","10","9","1") = "9"
    & skf18("9","6","5","3","10","10","1") = "9"
    & skf18("9","6","5","4","1","1","1") = "8"
    & skf18("9","6","5","4","1","2","1") = "8"
    & skf18("9","6","5","4","1","3","1") = "8"
    & skf18("9","6","5","4","1","4","1") = "8"
    & skf18("9","6","5","4","1","5","1") = "8"
    & skf18("9","6","5","4","1","6","1") = "8"
    & skf18("9","6","5","4","1","7","1") = "8"
    & skf18("9","6","5","4","1","8","1") = "8"
    & skf18("9","6","5","4","1","9","1") = "8"
    & skf18("9","6","5","4","1","10","1") = "9"
    & skf18("9","6","5","4","2","1","1") = "8"
    & skf18("9","6","5","4","2","2","1") = "8"
    & skf18("9","6","5","4","2","3","1") = "8"
    & skf18("9","6","5","4","2","4","1") = "8"
    & skf18("9","6","5","4","2","5","1") = "8"
    & skf18("9","6","5","4","2","6","1") = "8"
    & skf18("9","6","5","4","2","7","1") = "8"
    & skf18("9","6","5","4","2","8","1") = "8"
    & skf18("9","6","5","4","2","9","1") = "8"
    & skf18("9","6","5","4","2","10","1") = "9"
    & skf18("9","6","5","4","3","1","1") = "8"
    & skf18("9","6","5","4","3","2","1") = "8"
    & skf18("9","6","5","4","3","3","1") = "8"
    & skf18("9","6","5","4","3","4","1") = "8"
    & skf18("9","6","5","4","3","5","1") = "8"
    & skf18("9","6","5","4","3","6","1") = "8"
    & skf18("9","6","5","4","3","7","1") = "8"
    & skf18("9","6","5","4","3","8","1") = "8"
    & skf18("9","6","5","4","3","9","1") = "8"
    & skf18("9","6","5","4","3","10","1") = "9"
    & skf18("9","6","5","4","4","1","1") = "8"
    & skf18("9","6","5","4","4","2","1") = "8"
    & skf18("9","6","5","4","4","3","1") = "8"
    & skf18("9","6","5","4","4","4","1") = "8"
    & skf18("9","6","5","4","4","5","1") = "8"
    & skf18("9","6","5","4","4","6","1") = "8"
    & skf18("9","6","5","4","4","7","1") = "8"
    & skf18("9","6","5","4","4","8","1") = "8"
    & skf18("9","6","5","4","4","9","1") = "8"
    & skf18("9","6","5","4","4","10","1") = "9"
    & skf18("9","6","5","4","5","1","1") = "8"
    & skf18("9","6","5","4","5","2","1") = "8"
    & skf18("9","6","5","4","5","3","1") = "8"
    & skf18("9","6","5","4","5","4","1") = "8"
    & skf18("9","6","5","4","5","5","1") = "8"
    & skf18("9","6","5","4","5","6","1") = "8"
    & skf18("9","6","5","4","5","7","1") = "8"
    & skf18("9","6","5","4","5","8","1") = "8"
    & skf18("9","6","5","4","5","9","1") = "8"
    & skf18("9","6","5","4","5","10","1") = "9"
    & skf18("9","6","5","4","6","1","1") = "8"
    & skf18("9","6","5","4","6","2","1") = "8"
    & skf18("9","6","5","4","6","3","1") = "8"
    & skf18("9","6","5","4","6","4","1") = "8"
    & skf18("9","6","5","4","6","5","1") = "8"
    & skf18("9","6","5","4","6","6","1") = "8"
    & skf18("9","6","5","4","6","7","1") = "8"
    & skf18("9","6","5","4","6","8","1") = "8"
    & skf18("9","6","5","4","6","9","1") = "8"
    & skf18("9","6","5","4","6","10","1") = "9"
    & skf18("9","6","5","4","7","1","1") = "8"
    & skf18("9","6","5","4","7","2","1") = "8"
    & skf18("9","6","5","4","7","3","1") = "8"
    & skf18("9","6","5","4","7","4","1") = "8"
    & skf18("9","6","5","4","7","5","1") = "8"
    & skf18("9","6","5","4","7","6","1") = "8"
    & skf18("9","6","5","4","7","7","1") = "8"
    & skf18("9","6","5","4","7","8","1") = "8"
    & skf18("9","6","5","4","7","9","1") = "8"
    & skf18("9","6","5","4","7","10","1") = "9"
    & skf18("9","6","5","4","8","1","1") = "8"
    & skf18("9","6","5","4","8","2","1") = "8"
    & skf18("9","6","5","4","8","3","1") = "8"
    & skf18("9","6","5","4","8","4","1") = "8"
    & skf18("9","6","5","4","8","5","1") = "8"
    & skf18("9","6","5","4","8","6","1") = "8"
    & skf18("9","6","5","4","8","7","1") = "8"
    & skf18("9","6","5","4","8","8","1") = "8"
    & skf18("9","6","5","4","8","9","1") = "8"
    & skf18("9","6","5","4","8","10","1") = "9"
    & skf18("9","6","5","4","9","1","1") = "8"
    & skf18("9","6","5","4","9","2","1") = "8"
    & skf18("9","6","5","4","9","3","1") = "8"
    & skf18("9","6","5","4","9","4","1") = "8"
    & skf18("9","6","5","4","9","5","1") = "8"
    & skf18("9","6","5","4","9","6","1") = "8"
    & skf18("9","6","5","4","9","7","1") = "8"
    & skf18("9","6","5","4","9","8","1") = "8"
    & skf18("9","6","5","4","9","9","1") = "8"
    & skf18("9","6","5","4","9","10","1") = "9"
    & skf18("9","6","5","4","10","1","1") = "9"
    & skf18("9","6","5","4","10","2","1") = "9"
    & skf18("9","6","5","4","10","3","1") = "9"
    & skf18("9","6","5","4","10","4","1") = "9"
    & skf18("9","6","5","4","10","5","1") = "9"
    & skf18("9","6","5","4","10","6","1") = "9"
    & skf18("9","6","5","4","10","7","1") = "9"
    & skf18("9","6","5","4","10","8","1") = "9"
    & skf18("9","6","5","4","10","9","1") = "9"
    & skf18("9","6","5","4","10","10","1") = "9"
    & skf18("9","6","5","5","1","1","1") = "8"
    & skf18("9","6","5","5","1","2","1") = "8"
    & skf18("9","6","5","5","1","3","1") = "8"
    & skf18("9","6","5","5","1","4","1") = "8"
    & skf18("9","6","5","5","1","5","1") = "8"
    & skf18("9","6","5","5","1","6","1") = "8"
    & skf18("9","6","5","5","1","7","1") = "8"
    & skf18("9","6","5","5","1","8","1") = "8"
    & skf18("9","6","5","5","1","9","1") = "8"
    & skf18("9","6","5","5","1","10","1") = "9"
    & skf18("9","6","5","5","2","1","1") = "8"
    & skf18("9","6","5","5","2","2","1") = "8"
    & skf18("9","6","5","5","2","3","1") = "8"
    & skf18("9","6","5","5","2","4","1") = "8"
    & skf18("9","6","5","5","2","5","1") = "8"
    & skf18("9","6","5","5","2","6","1") = "8"
    & skf18("9","6","5","5","2","7","1") = "8"
    & skf18("9","6","5","5","2","8","1") = "8"
    & skf18("9","6","5","5","2","9","1") = "8"
    & skf18("9","6","5","5","2","10","1") = "9"
    & skf18("9","6","5","5","3","1","1") = "8"
    & skf18("9","6","5","5","3","2","1") = "8"
    & skf18("9","6","5","5","3","3","1") = "8"
    & skf18("9","6","5","5","3","4","1") = "8"
    & skf18("9","6","5","5","3","5","1") = "8"
    & skf18("9","6","5","5","3","6","1") = "8"
    & skf18("9","6","5","5","3","7","1") = "8"
    & skf18("9","6","5","5","3","8","1") = "8"
    & skf18("9","6","5","5","3","9","1") = "8"
    & skf18("9","6","5","5","3","10","1") = "9"
    & skf18("9","6","5","5","4","1","1") = "8"
    & skf18("9","6","5","5","4","2","1") = "8"
    & skf18("9","6","5","5","4","3","1") = "8"
    & skf18("9","6","5","5","4","4","1") = "8"
    & skf18("9","6","5","5","4","5","1") = "8"
    & skf18("9","6","5","5","4","6","1") = "8"
    & skf18("9","6","5","5","4","7","1") = "8"
    & skf18("9","6","5","5","4","8","1") = "8"
    & skf18("9","6","5","5","4","9","1") = "8"
    & skf18("9","6","5","5","4","10","1") = "9"
    & skf18("9","6","5","5","5","1","1") = "8"
    & skf18("9","6","5","5","5","2","1") = "8"
    & skf18("9","6","5","5","5","3","1") = "8"
    & skf18("9","6","5","5","5","4","1") = "8"
    & skf18("9","6","5","5","5","5","1") = "8"
    & skf18("9","6","5","5","5","6","1") = "8"
    & skf18("9","6","5","5","5","7","1") = "8"
    & skf18("9","6","5","5","5","8","1") = "8"
    & skf18("9","6","5","5","5","9","1") = "8"
    & skf18("9","6","5","5","5","10","1") = "9"
    & skf18("9","6","5","5","6","1","1") = "8"
    & skf18("9","6","5","5","6","2","1") = "8"
    & skf18("9","6","5","5","6","3","1") = "8"
    & skf18("9","6","5","5","6","4","1") = "8"
    & skf18("9","6","5","5","6","5","1") = "8"
    & skf18("9","6","5","5","6","6","1") = "8"
    & skf18("9","6","5","5","6","7","1") = "8"
    & skf18("9","6","5","5","6","8","1") = "8"
    & skf18("9","6","5","5","6","9","1") = "8"
    & skf18("9","6","5","5","6","10","1") = "9"
    & skf18("9","6","5","5","7","1","1") = "8"
    & skf18("9","6","5","5","7","2","1") = "8"
    & skf18("9","6","5","5","7","3","1") = "8"
    & skf18("9","6","5","5","7","4","1") = "8"
    & skf18("9","6","5","5","7","5","1") = "8"
    & skf18("9","6","5","5","7","6","1") = "8"
    & skf18("9","6","5","5","7","7","1") = "8"
    & skf18("9","6","5","5","7","8","1") = "8"
    & skf18("9","6","5","5","7","9","1") = "8"
    & skf18("9","6","5","5","7","10","1") = "9"
    & skf18("9","6","5","5","8","1","1") = "8"
    & skf18("9","6","5","5","8","2","1") = "8"
    & skf18("9","6","5","5","8","3","1") = "8"
    & skf18("9","6","5","5","8","4","1") = "8"
    & skf18("9","6","5","5","8","5","1") = "8"
    & skf18("9","6","5","5","8","6","1") = "8"
    & skf18("9","6","5","5","8","7","1") = "8"
    & skf18("9","6","5","5","8","8","1") = "8"
    & skf18("9","6","5","5","8","9","1") = "8"
    & skf18("9","6","5","5","8","10","1") = "9"
    & skf18("9","6","5","5","9","1","1") = "8"
    & skf18("9","6","5","5","9","2","1") = "8"
    & skf18("9","6","5","5","9","3","1") = "8"
    & skf18("9","6","5","5","9","4","1") = "8"
    & skf18("9","6","5","5","9","5","1") = "8"
    & skf18("9","6","5","5","9","6","1") = "8"
    & skf18("9","6","5","5","9","7","1") = "8"
    & skf18("9","6","5","5","9","8","1") = "8"
    & skf18("9","6","5","5","9","9","1") = "8"
    & skf18("9","6","5","5","9","10","1") = "9"
    & skf18("9","6","5","5","10","1","1") = "9"
    & skf18("9","6","5","5","10","2","1") = "9"
    & skf18("9","6","5","5","10","3","1") = "9"
    & skf18("9","6","5","5","10","4","1") = "9"
    & skf18("9","6","5","5","10","5","1") = "9"
    & skf18("9","6","5","5","10","6","1") = "9"
    & skf18("9","6","5","5","10","7","1") = "9"
    & skf18("9","6","5","5","10","8","1") = "9"
    & skf18("9","6","5","5","10","9","1") = "9"
    & skf18("9","6","5","5","10","10","1") = "9"
    & skf18("9","6","5","6","1","1","1") = "8"
    & skf18("9","6","5","6","1","2","1") = "8"
    & skf18("9","6","5","6","1","3","1") = "8"
    & skf18("9","6","5","6","1","4","1") = "8"
    & skf18("9","6","5","6","1","5","1") = "8"
    & skf18("9","6","5","6","1","6","1") = "8"
    & skf18("9","6","5","6","1","7","1") = "8"
    & skf18("9","6","5","6","1","8","1") = "8"
    & skf18("9","6","5","6","1","9","1") = "8"
    & skf18("9","6","5","6","1","10","1") = "9"
    & skf18("9","6","5","6","2","1","1") = "8"
    & skf18("9","6","5","6","2","2","1") = "8"
    & skf18("9","6","5","6","2","3","1") = "8"
    & skf18("9","6","5","6","2","4","1") = "8"
    & skf18("9","6","5","6","2","5","1") = "8"
    & skf18("9","6","5","6","2","6","1") = "8"
    & skf18("9","6","5","6","2","7","1") = "8"
    & skf18("9","6","5","6","2","8","1") = "8"
    & skf18("9","6","5","6","2","9","1") = "8"
    & skf18("9","6","5","6","2","10","1") = "9"
    & skf18("9","6","5","6","3","1","1") = "8"
    & skf18("9","6","5","6","3","2","1") = "8"
    & skf18("9","6","5","6","3","3","1") = "8"
    & skf18("9","6","5","6","3","4","1") = "8"
    & skf18("9","6","5","6","3","5","1") = "8"
    & skf18("9","6","5","6","3","6","1") = "8"
    & skf18("9","6","5","6","3","7","1") = "8"
    & skf18("9","6","5","6","3","8","1") = "8"
    & skf18("9","6","5","6","3","9","1") = "8"
    & skf18("9","6","5","6","3","10","1") = "9"
    & skf18("9","6","5","6","4","1","1") = "8"
    & skf18("9","6","5","6","4","2","1") = "8"
    & skf18("9","6","5","6","4","3","1") = "8"
    & skf18("9","6","5","6","4","4","1") = "8"
    & skf18("9","6","5","6","4","5","1") = "8"
    & skf18("9","6","5","6","4","6","1") = "8"
    & skf18("9","6","5","6","4","7","1") = "8"
    & skf18("9","6","5","6","4","8","1") = "8"
    & skf18("9","6","5","6","4","9","1") = "8"
    & skf18("9","6","5","6","4","10","1") = "9"
    & skf18("9","6","5","6","5","1","1") = "8"
    & skf18("9","6","5","6","5","2","1") = "8"
    & skf18("9","6","5","6","5","3","1") = "8"
    & skf18("9","6","5","6","5","4","1") = "8"
    & skf18("9","6","5","6","5","5","1") = "8"
    & skf18("9","6","5","6","5","6","1") = "8"
    & skf18("9","6","5","6","5","7","1") = "8"
    & skf18("9","6","5","6","5","8","1") = "8"
    & skf18("9","6","5","6","5","9","1") = "8"
    & skf18("9","6","5","6","5","10","1") = "9"
    & skf18("9","6","5","6","6","1","1") = "8"
    & skf18("9","6","5","6","6","2","1") = "8"
    & skf18("9","6","5","6","6","3","1") = "8"
    & skf18("9","6","5","6","6","4","1") = "8"
    & skf18("9","6","5","6","6","5","1") = "8"
    & skf18("9","6","5","6","6","6","1") = "8"
    & skf18("9","6","5","6","6","7","1") = "8"
    & skf18("9","6","5","6","6","8","1") = "8"
    & skf18("9","6","5","6","6","9","1") = "8"
    & skf18("9","6","5","6","6","10","1") = "9"
    & skf18("9","6","5","6","7","1","1") = "8"
    & skf18("9","6","5","6","7","2","1") = "8"
    & skf18("9","6","5","6","7","3","1") = "8"
    & skf18("9","6","5","6","7","4","1") = "8"
    & skf18("9","6","5","6","7","5","1") = "8"
    & skf18("9","6","5","6","7","6","1") = "8"
    & skf18("9","6","5","6","7","7","1") = "8"
    & skf18("9","6","5","6","7","8","1") = "8"
    & skf18("9","6","5","6","7","9","1") = "8"
    & skf18("9","6","5","6","7","10","1") = "9"
    & skf18("9","6","5","6","8","1","1") = "8"
    & skf18("9","6","5","6","8","2","1") = "8"
    & skf18("9","6","5","6","8","3","1") = "8"
    & skf18("9","6","5","6","8","4","1") = "8"
    & skf18("9","6","5","6","8","5","1") = "8"
    & skf18("9","6","5","6","8","6","1") = "8"
    & skf18("9","6","5","6","8","7","1") = "8"
    & skf18("9","6","5","6","8","8","1") = "8"
    & skf18("9","6","5","6","8","9","1") = "8"
    & skf18("9","6","5","6","8","10","1") = "9"
    & skf18("9","6","5","6","9","1","1") = "8"
    & skf18("9","6","5","6","9","2","1") = "8"
    & skf18("9","6","5","6","9","3","1") = "8"
    & skf18("9","6","5","6","9","4","1") = "8"
    & skf18("9","6","5","6","9","5","1") = "8"
    & skf18("9","6","5","6","9","6","1") = "8"
    & skf18("9","6","5","6","9","7","1") = "8"
    & skf18("9","6","5","6","9","8","1") = "8"
    & skf18("9","6","5","6","9","9","1") = "8"
    & skf18("9","6","5","6","9","10","1") = "9"
    & skf18("9","6","5","6","10","1","1") = "9"
    & skf18("9","6","5","6","10","2","1") = "9"
    & skf18("9","6","5","6","10","3","1") = "9"
    & skf18("9","6","5","6","10","4","1") = "9"
    & skf18("9","6","5","6","10","5","1") = "9"
    & skf18("9","6","5","6","10","6","1") = "9"
    & skf18("9","6","5","6","10","7","1") = "9"
    & skf18("9","6","5","6","10","8","1") = "9"
    & skf18("9","6","5","6","10","9","1") = "9"
    & skf18("9","6","5","6","10","10","1") = "9"
    & skf18("9","6","5","7","1","1","1") = "8"
    & skf18("9","6","5","7","1","2","1") = "8"
    & skf18("9","6","5","7","1","3","1") = "8"
    & skf18("9","6","5","7","1","4","1") = "8"
    & skf18("9","6","5","7","1","5","1") = "8"
    & skf18("9","6","5","7","1","6","1") = "8"
    & skf18("9","6","5","7","1","7","1") = "8"
    & skf18("9","6","5","7","1","8","1") = "8"
    & skf18("9","6","5","7","1","9","1") = "8"
    & skf18("9","6","5","7","1","10","1") = "9"
    & skf18("9","6","5","7","2","1","1") = "8"
    & skf18("9","6","5","7","2","2","1") = "8"
    & skf18("9","6","5","7","2","3","1") = "8"
    & skf18("9","6","5","7","2","4","1") = "8"
    & skf18("9","6","5","7","2","5","1") = "8"
    & skf18("9","6","5","7","2","6","1") = "8"
    & skf18("9","6","5","7","2","7","1") = "8"
    & skf18("9","6","5","7","2","8","1") = "8"
    & skf18("9","6","5","7","2","9","1") = "8"
    & skf18("9","6","5","7","2","10","1") = "9"
    & skf18("9","6","5","7","3","1","1") = "8"
    & skf18("9","6","5","7","3","2","1") = "8"
    & skf18("9","6","5","7","3","3","1") = "8"
    & skf18("9","6","5","7","3","4","1") = "8"
    & skf18("9","6","5","7","3","5","1") = "8"
    & skf18("9","6","5","7","3","6","1") = "8"
    & skf18("9","6","5","7","3","7","1") = "8"
    & skf18("9","6","5","7","3","8","1") = "8"
    & skf18("9","6","5","7","3","9","1") = "8"
    & skf18("9","6","5","7","3","10","1") = "9"
    & skf18("9","6","5","7","4","1","1") = "8"
    & skf18("9","6","5","7","4","2","1") = "8"
    & skf18("9","6","5","7","4","3","1") = "8"
    & skf18("9","6","5","7","4","4","1") = "8"
    & skf18("9","6","5","7","4","5","1") = "8"
    & skf18("9","6","5","7","4","6","1") = "8"
    & skf18("9","6","5","7","4","7","1") = "8"
    & skf18("9","6","5","7","4","8","1") = "8"
    & skf18("9","6","5","7","4","9","1") = "8"
    & skf18("9","6","5","7","4","10","1") = "9"
    & skf18("9","6","5","7","5","1","1") = "8"
    & skf18("9","6","5","7","5","2","1") = "8"
    & skf18("9","6","5","7","5","3","1") = "8"
    & skf18("9","6","5","7","5","4","1") = "8"
    & skf18("9","6","5","7","5","5","1") = "8"
    & skf18("9","6","5","7","5","6","1") = "8"
    & skf18("9","6","5","7","5","7","1") = "8"
    & skf18("9","6","5","7","5","8","1") = "8"
    & skf18("9","6","5","7","5","9","1") = "8"
    & skf18("9","6","5","7","5","10","1") = "9"
    & skf18("9","6","5","7","6","1","1") = "8"
    & skf18("9","6","5","7","6","2","1") = "8"
    & skf18("9","6","5","7","6","3","1") = "8"
    & skf18("9","6","5","7","6","4","1") = "8"
    & skf18("9","6","5","7","6","5","1") = "8"
    & skf18("9","6","5","7","6","6","1") = "8"
    & skf18("9","6","5","7","6","7","1") = "8"
    & skf18("9","6","5","7","6","8","1") = "8"
    & skf18("9","6","5","7","6","9","1") = "8"
    & skf18("9","6","5","7","6","10","1") = "9"
    & skf18("9","6","5","7","7","1","1") = "8"
    & skf18("9","6","5","7","7","2","1") = "8"
    & skf18("9","6","5","7","7","3","1") = "8"
    & skf18("9","6","5","7","7","4","1") = "8"
    & skf18("9","6","5","7","7","5","1") = "8"
    & skf18("9","6","5","7","7","6","1") = "8"
    & skf18("9","6","5","7","7","7","1") = "8"
    & skf18("9","6","5","7","7","8","1") = "8"
    & skf18("9","6","5","7","7","9","1") = "8"
    & skf18("9","6","5","7","7","10","1") = "9"
    & skf18("9","6","5","7","8","1","1") = "8"
    & skf18("9","6","5","7","8","2","1") = "8"
    & skf18("9","6","5","7","8","3","1") = "8"
    & skf18("9","6","5","7","8","4","1") = "8"
    & skf18("9","6","5","7","8","5","1") = "8"
    & skf18("9","6","5","7","8","6","1") = "8"
    & skf18("9","6","5","7","8","7","1") = "8"
    & skf18("9","6","5","7","8","8","1") = "8"
    & skf18("9","6","5","7","8","9","1") = "8"
    & skf18("9","6","5","7","8","10","1") = "9"
    & skf18("9","6","5","7","9","1","1") = "8"
    & skf18("9","6","5","7","9","2","1") = "8"
    & skf18("9","6","5","7","9","3","1") = "8"
    & skf18("9","6","5","7","9","4","1") = "8"
    & skf18("9","6","5","7","9","5","1") = "8"
    & skf18("9","6","5","7","9","6","1") = "8"
    & skf18("9","6","5","7","9","7","1") = "8"
    & skf18("9","6","5","7","9","8","1") = "8"
    & skf18("9","6","5","7","9","9","1") = "8"
    & skf18("9","6","5","7","9","10","1") = "9"
    & skf18("9","6","5","7","10","1","1") = "9"
    & skf18("9","6","5","7","10","2","1") = "9"
    & skf18("9","6","5","7","10","3","1") = "9"
    & skf18("9","6","5","7","10","4","1") = "9"
    & skf18("9","6","5","7","10","5","1") = "9"
    & skf18("9","6","5","7","10","6","1") = "9"
    & skf18("9","6","5","7","10","7","1") = "9"
    & skf18("9","6","5","7","10","8","1") = "9"
    & skf18("9","6","5","7","10","9","1") = "9"
    & skf18("9","6","5","7","10","10","1") = "9"
    & skf18("9","6","5","8","1","1","1") = "8"
    & skf18("9","6","5","8","1","2","1") = "8"
    & skf18("9","6","5","8","1","3","1") = "8"
    & skf18("9","6","5","8","1","4","1") = "8"
    & skf18("9","6","5","8","1","5","1") = "8"
    & skf18("9","6","5","8","1","6","1") = "8"
    & skf18("9","6","5","8","1","7","1") = "8"
    & skf18("9","6","5","8","1","8","1") = "8"
    & skf18("9","6","5","8","1","9","1") = "8"
    & skf18("9","6","5","8","1","10","1") = "9"
    & skf18("9","6","5","8","2","1","1") = "8"
    & skf18("9","6","5","8","2","2","1") = "8"
    & skf18("9","6","5","8","2","3","1") = "8"
    & skf18("9","6","5","8","2","4","1") = "8"
    & skf18("9","6","5","8","2","5","1") = "8"
    & skf18("9","6","5","8","2","6","1") = "8"
    & skf18("9","6","5","8","2","7","1") = "8"
    & skf18("9","6","5","8","2","8","1") = "8"
    & skf18("9","6","5","8","2","9","1") = "8"
    & skf18("9","6","5","8","2","10","1") = "9"
    & skf18("9","6","5","8","3","1","1") = "8"
    & skf18("9","6","5","8","3","2","1") = "8"
    & skf18("9","6","5","8","3","3","1") = "8"
    & skf18("9","6","5","8","3","4","1") = "8"
    & skf18("9","6","5","8","3","5","1") = "8"
    & skf18("9","6","5","8","3","6","1") = "8"
    & skf18("9","6","5","8","3","7","1") = "8"
    & skf18("9","6","5","8","3","8","1") = "8"
    & skf18("9","6","5","8","3","9","1") = "8"
    & skf18("9","6","5","8","3","10","1") = "9"
    & skf18("9","6","5","8","4","1","1") = "8"
    & skf18("9","6","5","8","4","2","1") = "8"
    & skf18("9","6","5","8","4","3","1") = "8"
    & skf18("9","6","5","8","4","4","1") = "8"
    & skf18("9","6","5","8","4","5","1") = "8"
    & skf18("9","6","5","8","4","6","1") = "8"
    & skf18("9","6","5","8","4","7","1") = "8"
    & skf18("9","6","5","8","4","8","1") = "8"
    & skf18("9","6","5","8","4","9","1") = "8"
    & skf18("9","6","5","8","4","10","1") = "9"
    & skf18("9","6","5","8","5","1","1") = "8"
    & skf18("9","6","5","8","5","2","1") = "8"
    & skf18("9","6","5","8","5","3","1") = "8"
    & skf18("9","6","5","8","5","4","1") = "8"
    & skf18("9","6","5","8","5","5","1") = "8"
    & skf18("9","6","5","8","5","6","1") = "8"
    & skf18("9","6","5","8","5","7","1") = "8"
    & skf18("9","6","5","8","5","8","1") = "8"
    & skf18("9","6","5","8","5","9","1") = "8"
    & skf18("9","6","5","8","5","10","1") = "9"
    & skf18("9","6","5","8","6","1","1") = "8"
    & skf18("9","6","5","8","6","2","1") = "8"
    & skf18("9","6","5","8","6","3","1") = "8"
    & skf18("9","6","5","8","6","4","1") = "8"
    & skf18("9","6","5","8","6","5","1") = "8"
    & skf18("9","6","5","8","6","6","1") = "8"
    & skf18("9","6","5","8","6","7","1") = "8"
    & skf18("9","6","5","8","6","8","1") = "8"
    & skf18("9","6","5","8","6","9","1") = "8"
    & skf18("9","6","5","8","6","10","1") = "9"
    & skf18("9","6","5","8","7","1","1") = "8"
    & skf18("9","6","5","8","7","2","1") = "8"
    & skf18("9","6","5","8","7","3","1") = "8"
    & skf18("9","6","5","8","7","4","1") = "8"
    & skf18("9","6","5","8","7","5","1") = "8"
    & skf18("9","6","5","8","7","6","1") = "8"
    & skf18("9","6","5","8","7","7","1") = "8"
    & skf18("9","6","5","8","7","8","1") = "8"
    & skf18("9","6","5","8","7","9","1") = "8"
    & skf18("9","6","5","8","7","10","1") = "9"
    & skf18("9","6","5","8","8","1","1") = "8"
    & skf18("9","6","5","8","8","2","1") = "8"
    & skf18("9","6","5","8","8","3","1") = "8"
    & skf18("9","6","5","8","8","4","1") = "8"
    & skf18("9","6","5","8","8","5","1") = "8"
    & skf18("9","6","5","8","8","6","1") = "8"
    & skf18("9","6","5","8","8","7","1") = "8"
    & skf18("9","6","5","8","8","8","1") = "8"
    & skf18("9","6","5","8","8","9","1") = "8"
    & skf18("9","6","5","8","8","10","1") = "9"
    & skf18("9","6","5","8","9","1","1") = "8"
    & skf18("9","6","5","8","9","2","1") = "8"
    & skf18("9","6","5","8","9","3","1") = "8"
    & skf18("9","6","5","8","9","4","1") = "8"
    & skf18("9","6","5","8","9","5","1") = "8"
    & skf18("9","6","5","8","9","6","1") = "8"
    & skf18("9","6","5","8","9","7","1") = "8"
    & skf18("9","6","5","8","9","8","1") = "8"
    & skf18("9","6","5","8","9","9","1") = "8"
    & skf18("9","6","5","8","9","10","1") = "9"
    & skf18("9","6","5","8","10","1","1") = "9"
    & skf18("9","6","5","8","10","2","1") = "9"
    & skf18("9","6","5","8","10","3","1") = "9"
    & skf18("9","6","5","8","10","4","1") = "9"
    & skf18("9","6","5","8","10","5","1") = "9"
    & skf18("9","6","5","8","10","6","1") = "9"
    & skf18("9","6","5","8","10","7","1") = "9"
    & skf18("9","6","5","8","10","8","1") = "9"
    & skf18("9","6","5","8","10","9","1") = "9"
    & skf18("9","6","5","8","10","10","1") = "9"
    & skf18("9","6","5","9","1","1","1") = "8"
    & skf18("9","6","5","9","1","2","1") = "8"
    & skf18("9","6","5","9","1","3","1") = "8"
    & skf18("9","6","5","9","1","4","1") = "8"
    & skf18("9","6","5","9","1","5","1") = "8"
    & skf18("9","6","5","9","1","6","1") = "8"
    & skf18("9","6","5","9","1","7","1") = "8"
    & skf18("9","6","5","9","1","8","1") = "8"
    & skf18("9","6","5","9","1","9","1") = "8"
    & skf18("9","6","5","9","1","10","1") = "9"
    & skf18("9","6","5","9","2","1","1") = "8"
    & skf18("9","6","5","9","2","2","1") = "8"
    & skf18("9","6","5","9","2","3","1") = "8"
    & skf18("9","6","5","9","2","4","1") = "8"
    & skf18("9","6","5","9","2","5","1") = "8"
    & skf18("9","6","5","9","2","6","1") = "8"
    & skf18("9","6","5","9","2","7","1") = "8"
    & skf18("9","6","5","9","2","8","1") = "8"
    & skf18("9","6","5","9","2","9","1") = "8"
    & skf18("9","6","5","9","2","10","1") = "9"
    & skf18("9","6","5","9","3","1","1") = "8"
    & skf18("9","6","5","9","3","2","1") = "8"
    & skf18("9","6","5","9","3","3","1") = "8"
    & skf18("9","6","5","9","3","4","1") = "8"
    & skf18("9","6","5","9","3","5","1") = "8"
    & skf18("9","6","5","9","3","6","1") = "8"
    & skf18("9","6","5","9","3","7","1") = "8"
    & skf18("9","6","5","9","3","8","1") = "8"
    & skf18("9","6","5","9","3","9","1") = "8"
    & skf18("9","6","5","9","3","10","1") = "9"
    & skf18("9","6","5","9","4","1","1") = "8"
    & skf18("9","6","5","9","4","2","1") = "8"
    & skf18("9","6","5","9","4","3","1") = "8"
    & skf18("9","6","5","9","4","4","1") = "8"
    & skf18("9","6","5","9","4","5","1") = "8"
    & skf18("9","6","5","9","4","6","1") = "8"
    & skf18("9","6","5","9","4","7","1") = "8"
    & skf18("9","6","5","9","4","8","1") = "8"
    & skf18("9","6","5","9","4","9","1") = "8"
    & skf18("9","6","5","9","4","10","1") = "9"
    & skf18("9","6","5","9","5","1","1") = "8"
    & skf18("9","6","5","9","5","2","1") = "8"
    & skf18("9","6","5","9","5","3","1") = "8"
    & skf18("9","6","5","9","5","4","1") = "8"
    & skf18("9","6","5","9","5","5","1") = "8"
    & skf18("9","6","5","9","5","6","1") = "8"
    & skf18("9","6","5","9","5","7","1") = "8"
    & skf18("9","6","5","9","5","8","1") = "8"
    & skf18("9","6","5","9","5","9","1") = "8"
    & skf18("9","6","5","9","5","10","1") = "9"
    & skf18("9","6","5","9","6","1","1") = "8"
    & skf18("9","6","5","9","6","2","1") = "8"
    & skf18("9","6","5","9","6","3","1") = "8"
    & skf18("9","6","5","9","6","4","1") = "8"
    & skf18("9","6","5","9","6","5","1") = "8"
    & skf18("9","6","5","9","6","6","1") = "8"
    & skf18("9","6","5","9","6","7","1") = "8"
    & skf18("9","6","5","9","6","8","1") = "8"
    & skf18("9","6","5","9","6","9","1") = "8"
    & skf18("9","6","5","9","6","10","1") = "9"
    & skf18("9","6","5","9","7","1","1") = "8"
    & skf18("9","6","5","9","7","2","1") = "8"
    & skf18("9","6","5","9","7","3","1") = "8"
    & skf18("9","6","5","9","7","4","1") = "8"
    & skf18("9","6","5","9","7","5","1") = "8"
    & skf18("9","6","5","9","7","6","1") = "8"
    & skf18("9","6","5","9","7","7","1") = "8"
    & skf18("9","6","5","9","7","8","1") = "8"
    & skf18("9","6","5","9","7","9","1") = "8"
    & skf18("9","6","5","9","7","10","1") = "9"
    & skf18("9","6","5","9","8","1","1") = "8"
    & skf18("9","6","5","9","8","2","1") = "8"
    & skf18("9","6","5","9","8","3","1") = "8"
    & skf18("9","6","5","9","8","4","1") = "8"
    & skf18("9","6","5","9","8","5","1") = "8"
    & skf18("9","6","5","9","8","6","1") = "8"
    & skf18("9","6","5","9","8","7","1") = "8"
    & skf18("9","6","5","9","8","8","1") = "8"
    & skf18("9","6","5","9","8","9","1") = "8"
    & skf18("9","6","5","9","8","10","1") = "9"
    & skf18("9","6","5","9","9","1","1") = "8"
    & skf18("9","6","5","9","9","2","1") = "8"
    & skf18("9","6","5","9","9","3","1") = "8"
    & skf18("9","6","5","9","9","4","1") = "8"
    & skf18("9","6","5","9","9","5","1") = "8"
    & skf18("9","6","5","9","9","6","1") = "8"
    & skf18("9","6","5","9","9","7","1") = "8"
    & skf18("9","6","5","9","9","8","1") = "8"
    & skf18("9","6","5","9","9","9","1") = "8"
    & skf18("9","6","5","9","9","10","1") = "9"
    & skf18("9","6","5","9","10","1","1") = "9"
    & skf18("9","6","5","9","10","2","1") = "9"
    & skf18("9","6","5","9","10","3","1") = "9"
    & skf18("9","6","5","9","10","4","1") = "9"
    & skf18("9","6","5","9","10","5","1") = "9"
    & skf18("9","6","5","9","10","6","1") = "9"
    & skf18("9","6","5","9","10","7","1") = "9"
    & skf18("9","6","5","9","10","8","1") = "9"
    & skf18("9","6","5","9","10","9","1") = "9"
    & skf18("9","6","5","9","10","10","1") = "9"
    & skf18("9","6","5","10","1","1","1") = "9"
    & skf18("9","6","5","10","1","2","1") = "9"
    & skf18("9","6","5","10","1","3","1") = "9"
    & skf18("9","6","5","10","1","4","1") = "9"
    & skf18("9","6","5","10","1","5","1") = "9"
    & skf18("9","6","5","10","1","6","1") = "9"
    & skf18("9","6","5","10","1","7","1") = "9"
    & skf18("9","6","5","10","1","8","1") = "9"
    & skf18("9","6","5","10","1","9","1") = "9"
    & skf18("9","6","5","10","1","10","1") = "9"
    & skf18("9","6","5","10","2","1","1") = "9"
    & skf18("9","6","5","10","2","2","1") = "9"
    & skf18("9","6","5","10","2","3","1") = "9"
    & skf18("9","6","5","10","2","4","1") = "9"
    & skf18("9","6","5","10","2","5","1") = "9"
    & skf18("9","6","5","10","2","6","1") = "9"
    & skf18("9","6","5","10","2","7","1") = "9"
    & skf18("9","6","5","10","2","8","1") = "9"
    & skf18("9","6","5","10","2","9","1") = "9"
    & skf18("9","6","5","10","2","10","1") = "9"
    & skf18("9","6","5","10","3","1","1") = "9"
    & skf18("9","6","5","10","3","2","1") = "9"
    & skf18("9","6","5","10","3","3","1") = "9"
    & skf18("9","6","5","10","3","4","1") = "9"
    & skf18("9","6","5","10","3","5","1") = "9"
    & skf18("9","6","5","10","3","6","1") = "9"
    & skf18("9","6","5","10","3","7","1") = "9"
    & skf18("9","6","5","10","3","8","1") = "9"
    & skf18("9","6","5","10","3","9","1") = "9"
    & skf18("9","6","5","10","3","10","1") = "9"
    & skf18("9","6","5","10","4","1","1") = "9"
    & skf18("9","6","5","10","4","2","1") = "9"
    & skf18("9","6","5","10","4","3","1") = "9"
    & skf18("9","6","5","10","4","4","1") = "9"
    & skf18("9","6","5","10","4","5","1") = "9"
    & skf18("9","6","5","10","4","6","1") = "9"
    & skf18("9","6","5","10","4","7","1") = "9"
    & skf18("9","6","5","10","4","8","1") = "9"
    & skf18("9","6","5","10","4","9","1") = "9"
    & skf18("9","6","5","10","4","10","1") = "9"
    & skf18("9","6","5","10","5","1","1") = "9"
    & skf18("9","6","5","10","5","2","1") = "9"
    & skf18("9","6","5","10","5","3","1") = "9"
    & skf18("9","6","5","10","5","4","1") = "9"
    & skf18("9","6","5","10","5","5","1") = "9"
    & skf18("9","6","5","10","5","6","1") = "9"
    & skf18("9","6","5","10","5","7","1") = "9"
    & skf18("9","6","5","10","5","8","1") = "9"
    & skf18("9","6","5","10","5","9","1") = "9"
    & skf18("9","6","5","10","5","10","1") = "9"
    & skf18("9","6","5","10","6","1","1") = "9"
    & skf18("9","6","5","10","6","2","1") = "9"
    & skf18("9","6","5","10","6","3","1") = "9"
    & skf18("9","6","5","10","6","4","1") = "9"
    & skf18("9","6","5","10","6","5","1") = "9"
    & skf18("9","6","5","10","6","6","1") = "9"
    & skf18("9","6","5","10","6","7","1") = "9"
    & skf18("9","6","5","10","6","8","1") = "9"
    & skf18("9","6","5","10","6","9","1") = "9"
    & skf18("9","6","5","10","6","10","1") = "9"
    & skf18("9","6","5","10","7","1","1") = "9"
    & skf18("9","6","5","10","7","2","1") = "9"
    & skf18("9","6","5","10","7","3","1") = "9"
    & skf18("9","6","5","10","7","4","1") = "9"
    & skf18("9","6","5","10","7","5","1") = "9"
    & skf18("9","6","5","10","7","6","1") = "9"
    & skf18("9","6","5","10","7","7","1") = "9"
    & skf18("9","6","5","10","7","8","1") = "9"
    & skf18("9","6","5","10","7","9","1") = "9"
    & skf18("9","6","5","10","7","10","1") = "9"
    & skf18("9","6","5","10","8","1","1") = "9"
    & skf18("9","6","5","10","8","2","1") = "9"
    & skf18("9","6","5","10","8","3","1") = "9"
    & skf18("9","6","5","10","8","4","1") = "9"
    & skf18("9","6","5","10","8","5","1") = "9"
    & skf18("9","6","5","10","8","6","1") = "9"
    & skf18("9","6","5","10","8","7","1") = "9"
    & skf18("9","6","5","10","8","8","1") = "9"
    & skf18("9","6","5","10","8","9","1") = "9"
    & skf18("9","6","5","10","8","10","1") = "9"
    & skf18("9","6","5","10","9","1","1") = "9"
    & skf18("9","6","5","10","9","2","1") = "9"
    & skf18("9","6","5","10","9","3","1") = "9"
    & skf18("9","6","5","10","9","4","1") = "9"
    & skf18("9","6","5","10","9","5","1") = "9"
    & skf18("9","6","5","10","9","6","1") = "9"
    & skf18("9","6","5","10","9","7","1") = "9"
    & skf18("9","6","5","10","9","8","1") = "9"
    & skf18("9","6","5","10","9","9","1") = "9"
    & skf18("9","6","5","10","9","10","1") = "9"
    & skf18("9","6","5","10","10","1","1") = "9"
    & skf18("9","6","5","10","10","2","1") = "9"
    & skf18("9","6","5","10","10","3","1") = "9"
    & skf18("9","6","5","10","10","4","1") = "9"
    & skf18("9","6","5","10","10","5","1") = "9"
    & skf18("9","6","5","10","10","6","1") = "9"
    & skf18("9","6","5","10","10","7","1") = "9"
    & skf18("9","6","5","10","10","8","1") = "9"
    & skf18("9","6","5","10","10","9","1") = "9"
    & skf18("9","6","5","10","10","10","1") = "9"
    & skf18("9","6","6","1","1","1","1") = "8"
    & skf18("9","6","6","1","1","2","1") = "8"
    & skf18("9","6","6","1","1","3","1") = "8"
    & skf18("9","6","6","1","1","4","1") = "8"
    & skf18("9","6","6","1","1","5","1") = "8"
    & skf18("9","6","6","1","1","6","1") = "8"
    & skf18("9","6","6","1","1","7","1") = "8"
    & skf18("9","6","6","1","1","8","1") = "8"
    & skf18("9","6","6","1","1","9","1") = "8"
    & skf18("9","6","6","1","1","10","1") = "9"
    & skf18("9","6","6","1","2","1","1") = "8"
    & skf18("9","6","6","1","2","2","1") = "8"
    & skf18("9","6","6","1","2","3","1") = "8"
    & skf18("9","6","6","1","2","4","1") = "8"
    & skf18("9","6","6","1","2","5","1") = "8"
    & skf18("9","6","6","1","2","6","1") = "8"
    & skf18("9","6","6","1","2","7","1") = "8"
    & skf18("9","6","6","1","2","8","1") = "8"
    & skf18("9","6","6","1","2","9","1") = "8"
    & skf18("9","6","6","1","2","10","1") = "9"
    & skf18("9","6","6","1","3","1","1") = "8"
    & skf18("9","6","6","1","3","2","1") = "8"
    & skf18("9","6","6","1","3","3","1") = "8"
    & skf18("9","6","6","1","3","4","1") = "8"
    & skf18("9","6","6","1","3","5","1") = "8"
    & skf18("9","6","6","1","3","6","1") = "8"
    & skf18("9","6","6","1","3","7","1") = "8"
    & skf18("9","6","6","1","3","8","1") = "8"
    & skf18("9","6","6","1","3","9","1") = "8"
    & skf18("9","6","6","1","3","10","1") = "9"
    & skf18("9","6","6","1","4","1","1") = "8"
    & skf18("9","6","6","1","4","2","1") = "8"
    & skf18("9","6","6","1","4","3","1") = "8"
    & skf18("9","6","6","1","4","4","1") = "8"
    & skf18("9","6","6","1","4","5","1") = "8"
    & skf18("9","6","6","1","4","6","1") = "8"
    & skf18("9","6","6","1","4","7","1") = "8"
    & skf18("9","6","6","1","4","8","1") = "8"
    & skf18("9","6","6","1","4","9","1") = "8"
    & skf18("9","6","6","1","4","10","1") = "9"
    & skf18("9","6","6","1","5","1","1") = "8"
    & skf18("9","6","6","1","5","2","1") = "8"
    & skf18("9","6","6","1","5","3","1") = "8"
    & skf18("9","6","6","1","5","4","1") = "8"
    & skf18("9","6","6","1","5","5","1") = "8"
    & skf18("9","6","6","1","5","6","1") = "8"
    & skf18("9","6","6","1","5","7","1") = "8"
    & skf18("9","6","6","1","5","8","1") = "8"
    & skf18("9","6","6","1","5","9","1") = "8"
    & skf18("9","6","6","1","5","10","1") = "9"
    & skf18("9","6","6","1","6","1","1") = "8"
    & skf18("9","6","6","1","6","2","1") = "8"
    & skf18("9","6","6","1","6","3","1") = "8"
    & skf18("9","6","6","1","6","4","1") = "8"
    & skf18("9","6","6","1","6","5","1") = "8"
    & skf18("9","6","6","1","6","6","1") = "8"
    & skf18("9","6","6","1","6","7","1") = "8"
    & skf18("9","6","6","1","6","8","1") = "8"
    & skf18("9","6","6","1","6","9","1") = "8"
    & skf18("9","6","6","1","6","10","1") = "9"
    & skf18("9","6","6","1","7","1","1") = "8"
    & skf18("9","6","6","1","7","2","1") = "8"
    & skf18("9","6","6","1","7","3","1") = "8"
    & skf18("9","6","6","1","7","4","1") = "8"
    & skf18("9","6","6","1","7","5","1") = "8"
    & skf18("9","6","6","1","7","6","1") = "8"
    & skf18("9","6","6","1","7","7","1") = "8"
    & skf18("9","6","6","1","7","8","1") = "8"
    & skf18("9","6","6","1","7","9","1") = "8"
    & skf18("9","6","6","1","7","10","1") = "9"
    & skf18("9","6","6","1","8","1","1") = "8"
    & skf18("9","6","6","1","8","2","1") = "8"
    & skf18("9","6","6","1","8","3","1") = "8"
    & skf18("9","6","6","1","8","4","1") = "8"
    & skf18("9","6","6","1","8","5","1") = "8"
    & skf18("9","6","6","1","8","6","1") = "8"
    & skf18("9","6","6","1","8","7","1") = "8"
    & skf18("9","6","6","1","8","8","1") = "8"
    & skf18("9","6","6","1","8","9","1") = "8"
    & skf18("9","6","6","1","8","10","1") = "9"
    & skf18("9","6","6","1","9","1","1") = "8"
    & skf18("9","6","6","1","9","2","1") = "8"
    & skf18("9","6","6","1","9","3","1") = "8"
    & skf18("9","6","6","1","9","4","1") = "8"
    & skf18("9","6","6","1","9","5","1") = "8"
    & skf18("9","6","6","1","9","6","1") = "8"
    & skf18("9","6","6","1","9","7","1") = "8"
    & skf18("9","6","6","1","9","8","1") = "8"
    & skf18("9","6","6","1","9","9","1") = "8"
    & skf18("9","6","6","1","9","10","1") = "9"
    & skf18("9","6","6","1","10","1","1") = "9"
    & skf18("9","6","6","1","10","2","1") = "9"
    & skf18("9","6","6","1","10","3","1") = "9"
    & skf18("9","6","6","1","10","4","1") = "9"
    & skf18("9","6","6","1","10","5","1") = "9"
    & skf18("9","6","6","1","10","6","1") = "9"
    & skf18("9","6","6","1","10","7","1") = "9"
    & skf18("9","6","6","1","10","8","1") = "9"
    & skf18("9","6","6","1","10","9","1") = "9"
    & skf18("9","6","6","1","10","10","1") = "9"
    & skf18("9","6","6","2","1","1","1") = "8"
    & skf18("9","6","6","2","1","2","1") = "8"
    & skf18("9","6","6","2","1","3","1") = "8"
    & skf18("9","6","6","2","1","4","1") = "8"
    & skf18("9","6","6","2","1","5","1") = "8"
    & skf18("9","6","6","2","1","6","1") = "8"
    & skf18("9","6","6","2","1","7","1") = "8"
    & skf18("9","6","6","2","1","8","1") = "8"
    & skf18("9","6","6","2","1","9","1") = "8"
    & skf18("9","6","6","2","1","10","1") = "9"
    & skf18("9","6","6","2","2","1","1") = "8"
    & skf18("9","6","6","2","2","2","1") = "8"
    & skf18("9","6","6","2","2","3","1") = "8"
    & skf18("9","6","6","2","2","4","1") = "8"
    & skf18("9","6","6","2","2","5","1") = "8"
    & skf18("9","6","6","2","2","6","1") = "8"
    & skf18("9","6","6","2","2","7","1") = "8"
    & skf18("9","6","6","2","2","8","1") = "8"
    & skf18("9","6","6","2","2","9","1") = "8"
    & skf18("9","6","6","2","2","10","1") = "9"
    & skf18("9","6","6","2","3","1","1") = "8"
    & skf18("9","6","6","2","3","2","1") = "8"
    & skf18("9","6","6","2","3","3","1") = "8"
    & skf18("9","6","6","2","3","4","1") = "8"
    & skf18("9","6","6","2","3","5","1") = "8"
    & skf18("9","6","6","2","3","6","1") = "8"
    & skf18("9","6","6","2","3","7","1") = "8"
    & skf18("9","6","6","2","3","8","1") = "8"
    & skf18("9","6","6","2","3","9","1") = "8"
    & skf18("9","6","6","2","3","10","1") = "9"
    & skf18("9","6","6","2","4","1","1") = "8"
    & skf18("9","6","6","2","4","2","1") = "8"
    & skf18("9","6","6","2","4","3","1") = "8"
    & skf18("9","6","6","2","4","4","1") = "8"
    & skf18("9","6","6","2","4","5","1") = "8"
    & skf18("9","6","6","2","4","6","1") = "8"
    & skf18("9","6","6","2","4","7","1") = "8"
    & skf18("9","6","6","2","4","8","1") = "8"
    & skf18("9","6","6","2","4","9","1") = "8"
    & skf18("9","6","6","2","4","10","1") = "9"
    & skf18("9","6","6","2","5","1","1") = "8"
    & skf18("9","6","6","2","5","2","1") = "8"
    & skf18("9","6","6","2","5","3","1") = "8"
    & skf18("9","6","6","2","5","4","1") = "8"
    & skf18("9","6","6","2","5","5","1") = "8"
    & skf18("9","6","6","2","5","6","1") = "8"
    & skf18("9","6","6","2","5","7","1") = "8"
    & skf18("9","6","6","2","5","8","1") = "8"
    & skf18("9","6","6","2","5","9","1") = "8"
    & skf18("9","6","6","2","5","10","1") = "9"
    & skf18("9","6","6","2","6","1","1") = "8"
    & skf18("9","6","6","2","6","2","1") = "8"
    & skf18("9","6","6","2","6","3","1") = "8"
    & skf18("9","6","6","2","6","4","1") = "8"
    & skf18("9","6","6","2","6","5","1") = "8"
    & skf18("9","6","6","2","6","6","1") = "8"
    & skf18("9","6","6","2","6","7","1") = "8"
    & skf18("9","6","6","2","6","8","1") = "8"
    & skf18("9","6","6","2","6","9","1") = "8"
    & skf18("9","6","6","2","6","10","1") = "9"
    & skf18("9","6","6","2","7","1","1") = "8"
    & skf18("9","6","6","2","7","2","1") = "8"
    & skf18("9","6","6","2","7","3","1") = "8"
    & skf18("9","6","6","2","7","4","1") = "8"
    & skf18("9","6","6","2","7","5","1") = "8"
    & skf18("9","6","6","2","7","6","1") = "8"
    & skf18("9","6","6","2","7","7","1") = "8"
    & skf18("9","6","6","2","7","8","1") = "8"
    & skf18("9","6","6","2","7","9","1") = "8"
    & skf18("9","6","6","2","7","10","1") = "9"
    & skf18("9","6","6","2","8","1","1") = "8"
    & skf18("9","6","6","2","8","2","1") = "8"
    & skf18("9","6","6","2","8","3","1") = "8"
    & skf18("9","6","6","2","8","4","1") = "8"
    & skf18("9","6","6","2","8","5","1") = "8"
    & skf18("9","6","6","2","8","6","1") = "8"
    & skf18("9","6","6","2","8","7","1") = "8"
    & skf18("9","6","6","2","8","8","1") = "8"
    & skf18("9","6","6","2","8","9","1") = "8"
    & skf18("9","6","6","2","8","10","1") = "9"
    & skf18("9","6","6","2","9","1","1") = "8"
    & skf18("9","6","6","2","9","2","1") = "8"
    & skf18("9","6","6","2","9","3","1") = "8"
    & skf18("9","6","6","2","9","4","1") = "8"
    & skf18("9","6","6","2","9","5","1") = "8"
    & skf18("9","6","6","2","9","6","1") = "8"
    & skf18("9","6","6","2","9","7","1") = "8"
    & skf18("9","6","6","2","9","8","1") = "8"
    & skf18("9","6","6","2","9","9","1") = "8"
    & skf18("9","6","6","2","9","10","1") = "9"
    & skf18("9","6","6","2","10","1","1") = "9"
    & skf18("9","6","6","2","10","2","1") = "9"
    & skf18("9","6","6","2","10","3","1") = "9"
    & skf18("9","6","6","2","10","4","1") = "9"
    & skf18("9","6","6","2","10","5","1") = "9"
    & skf18("9","6","6","2","10","6","1") = "9"
    & skf18("9","6","6","2","10","7","1") = "9"
    & skf18("9","6","6","2","10","8","1") = "9"
    & skf18("9","6","6","2","10","9","1") = "9"
    & skf18("9","6","6","2","10","10","1") = "9"
    & skf18("9","6","6","3","1","1","1") = "8"
    & skf18("9","6","6","3","1","2","1") = "8"
    & skf18("9","6","6","3","1","3","1") = "8"
    & skf18("9","6","6","3","1","4","1") = "8"
    & skf18("9","6","6","3","1","5","1") = "8"
    & skf18("9","6","6","3","1","6","1") = "8"
    & skf18("9","6","6","3","1","7","1") = "8"
    & skf18("9","6","6","3","1","8","1") = "8"
    & skf18("9","6","6","3","1","9","1") = "8"
    & skf18("9","6","6","3","1","10","1") = "9"
    & skf18("9","6","6","3","2","1","1") = "8"
    & skf18("9","6","6","3","2","2","1") = "8"
    & skf18("9","6","6","3","2","3","1") = "8"
    & skf18("9","6","6","3","2","4","1") = "8"
    & skf18("9","6","6","3","2","5","1") = "8"
    & skf18("9","6","6","3","2","6","1") = "8"
    & skf18("9","6","6","3","2","7","1") = "8"
    & skf18("9","6","6","3","2","8","1") = "8"
    & skf18("9","6","6","3","2","9","1") = "8"
    & skf18("9","6","6","3","2","10","1") = "9"
    & skf18("9","6","6","3","3","1","1") = "8"
    & skf18("9","6","6","3","3","2","1") = "8"
    & skf18("9","6","6","3","3","3","1") = "8"
    & skf18("9","6","6","3","3","4","1") = "8"
    & skf18("9","6","6","3","3","5","1") = "8"
    & skf18("9","6","6","3","3","6","1") = "8"
    & skf18("9","6","6","3","3","7","1") = "8"
    & skf18("9","6","6","3","3","8","1") = "8"
    & skf18("9","6","6","3","3","9","1") = "8"
    & skf18("9","6","6","3","3","10","1") = "9"
    & skf18("9","6","6","3","4","1","1") = "8"
    & skf18("9","6","6","3","4","2","1") = "8"
    & skf18("9","6","6","3","4","3","1") = "8"
    & skf18("9","6","6","3","4","4","1") = "8"
    & skf18("9","6","6","3","4","5","1") = "8"
    & skf18("9","6","6","3","4","6","1") = "8"
    & skf18("9","6","6","3","4","7","1") = "8"
    & skf18("9","6","6","3","4","8","1") = "8"
    & skf18("9","6","6","3","4","9","1") = "8"
    & skf18("9","6","6","3","4","10","1") = "9"
    & skf18("9","6","6","3","5","1","1") = "8"
    & skf18("9","6","6","3","5","2","1") = "8"
    & skf18("9","6","6","3","5","3","1") = "8"
    & skf18("9","6","6","3","5","4","1") = "8"
    & skf18("9","6","6","3","5","5","1") = "8"
    & skf18("9","6","6","3","5","6","1") = "8"
    & skf18("9","6","6","3","5","7","1") = "8"
    & skf18("9","6","6","3","5","8","1") = "8"
    & skf18("9","6","6","3","5","9","1") = "8"
    & skf18("9","6","6","3","5","10","1") = "9"
    & skf18("9","6","6","3","6","1","1") = "8"
    & skf18("9","6","6","3","6","2","1") = "8"
    & skf18("9","6","6","3","6","3","1") = "8"
    & skf18("9","6","6","3","6","4","1") = "8"
    & skf18("9","6","6","3","6","5","1") = "8"
    & skf18("9","6","6","3","6","6","1") = "8"
    & skf18("9","6","6","3","6","7","1") = "8"
    & skf18("9","6","6","3","6","8","1") = "8"
    & skf18("9","6","6","3","6","9","1") = "8"
    & skf18("9","6","6","3","6","10","1") = "9"
    & skf18("9","6","6","3","7","1","1") = "8"
    & skf18("9","6","6","3","7","2","1") = "8"
    & skf18("9","6","6","3","7","3","1") = "8"
    & skf18("9","6","6","3","7","4","1") = "8"
    & skf18("9","6","6","3","7","5","1") = "8"
    & skf18("9","6","6","3","7","6","1") = "8"
    & skf18("9","6","6","3","7","7","1") = "8"
    & skf18("9","6","6","3","7","8","1") = "8"
    & skf18("9","6","6","3","7","9","1") = "8"
    & skf18("9","6","6","3","7","10","1") = "9"
    & skf18("9","6","6","3","8","1","1") = "8"
    & skf18("9","6","6","3","8","2","1") = "8"
    & skf18("9","6","6","3","8","3","1") = "8"
    & skf18("9","6","6","3","8","4","1") = "8"
    & skf18("9","6","6","3","8","5","1") = "8"
    & skf18("9","6","6","3","8","6","1") = "8"
    & skf18("9","6","6","3","8","7","1") = "8"
    & skf18("9","6","6","3","8","8","1") = "8"
    & skf18("9","6","6","3","8","9","1") = "8"
    & skf18("9","6","6","3","8","10","1") = "9"
    & skf18("9","6","6","3","9","1","1") = "8"
    & skf18("9","6","6","3","9","2","1") = "8"
    & skf18("9","6","6","3","9","3","1") = "8"
    & skf18("9","6","6","3","9","4","1") = "8"
    & skf18("9","6","6","3","9","5","1") = "8"
    & skf18("9","6","6","3","9","6","1") = "8"
    & skf18("9","6","6","3","9","7","1") = "8"
    & skf18("9","6","6","3","9","8","1") = "8"
    & skf18("9","6","6","3","9","9","1") = "8"
    & skf18("9","6","6","3","9","10","1") = "9"
    & skf18("9","6","6","3","10","1","1") = "9"
    & skf18("9","6","6","3","10","2","1") = "9"
    & skf18("9","6","6","3","10","3","1") = "9"
    & skf18("9","6","6","3","10","4","1") = "9"
    & skf18("9","6","6","3","10","5","1") = "9"
    & skf18("9","6","6","3","10","6","1") = "9"
    & skf18("9","6","6","3","10","7","1") = "9"
    & skf18("9","6","6","3","10","8","1") = "9"
    & skf18("9","6","6","3","10","9","1") = "9"
    & skf18("9","6","6","3","10","10","1") = "9"
    & skf18("9","6","6","4","1","1","1") = "8"
    & skf18("9","6","6","4","1","2","1") = "8"
    & skf18("9","6","6","4","1","3","1") = "8"
    & skf18("9","6","6","4","1","4","1") = "8"
    & skf18("9","6","6","4","1","5","1") = "8"
    & skf18("9","6","6","4","1","6","1") = "8"
    & skf18("9","6","6","4","1","7","1") = "8"
    & skf18("9","6","6","4","1","8","1") = "8"
    & skf18("9","6","6","4","1","9","1") = "8"
    & skf18("9","6","6","4","1","10","1") = "9"
    & skf18("9","6","6","4","2","1","1") = "8"
    & skf18("9","6","6","4","2","2","1") = "8"
    & skf18("9","6","6","4","2","3","1") = "8"
    & skf18("9","6","6","4","2","4","1") = "8"
    & skf18("9","6","6","4","2","5","1") = "8"
    & skf18("9","6","6","4","2","6","1") = "8"
    & skf18("9","6","6","4","2","7","1") = "8"
    & skf18("9","6","6","4","2","8","1") = "8"
    & skf18("9","6","6","4","2","9","1") = "8"
    & skf18("9","6","6","4","2","10","1") = "9"
    & skf18("9","6","6","4","3","1","1") = "8"
    & skf18("9","6","6","4","3","2","1") = "8"
    & skf18("9","6","6","4","3","3","1") = "8"
    & skf18("9","6","6","4","3","4","1") = "8"
    & skf18("9","6","6","4","3","5","1") = "8"
    & skf18("9","6","6","4","3","6","1") = "8"
    & skf18("9","6","6","4","3","7","1") = "8"
    & skf18("9","6","6","4","3","8","1") = "8"
    & skf18("9","6","6","4","3","9","1") = "8"
    & skf18("9","6","6","4","3","10","1") = "9"
    & skf18("9","6","6","4","4","1","1") = "8"
    & skf18("9","6","6","4","4","2","1") = "8"
    & skf18("9","6","6","4","4","3","1") = "8"
    & skf18("9","6","6","4","4","4","1") = "8"
    & skf18("9","6","6","4","4","5","1") = "8"
    & skf18("9","6","6","4","4","6","1") = "8"
    & skf18("9","6","6","4","4","7","1") = "8"
    & skf18("9","6","6","4","4","8","1") = "8"
    & skf18("9","6","6","4","4","9","1") = "8"
    & skf18("9","6","6","4","4","10","1") = "9"
    & skf18("9","6","6","4","5","1","1") = "8"
    & skf18("9","6","6","4","5","2","1") = "8"
    & skf18("9","6","6","4","5","3","1") = "8"
    & skf18("9","6","6","4","5","4","1") = "8"
    & skf18("9","6","6","4","5","5","1") = "8"
    & skf18("9","6","6","4","5","6","1") = "8"
    & skf18("9","6","6","4","5","7","1") = "8"
    & skf18("9","6","6","4","5","8","1") = "8"
    & skf18("9","6","6","4","5","9","1") = "8"
    & skf18("9","6","6","4","5","10","1") = "9"
    & skf18("9","6","6","4","6","1","1") = "8"
    & skf18("9","6","6","4","6","2","1") = "8"
    & skf18("9","6","6","4","6","3","1") = "8"
    & skf18("9","6","6","4","6","4","1") = "8"
    & skf18("9","6","6","4","6","5","1") = "8"
    & skf18("9","6","6","4","6","6","1") = "8"
    & skf18("9","6","6","4","6","7","1") = "8"
    & skf18("9","6","6","4","6","8","1") = "8"
    & skf18("9","6","6","4","6","9","1") = "8"
    & skf18("9","6","6","4","6","10","1") = "9"
    & skf18("9","6","6","4","7","1","1") = "8"
    & skf18("9","6","6","4","7","2","1") = "8"
    & skf18("9","6","6","4","7","3","1") = "8"
    & skf18("9","6","6","4","7","4","1") = "8"
    & skf18("9","6","6","4","7","5","1") = "8"
    & skf18("9","6","6","4","7","6","1") = "8"
    & skf18("9","6","6","4","7","7","1") = "8"
    & skf18("9","6","6","4","7","8","1") = "8"
    & skf18("9","6","6","4","7","9","1") = "8"
    & skf18("9","6","6","4","7","10","1") = "9"
    & skf18("9","6","6","4","8","1","1") = "8"
    & skf18("9","6","6","4","8","2","1") = "8"
    & skf18("9","6","6","4","8","3","1") = "8"
    & skf18("9","6","6","4","8","4","1") = "8"
    & skf18("9","6","6","4","8","5","1") = "8"
    & skf18("9","6","6","4","8","6","1") = "8"
    & skf18("9","6","6","4","8","7","1") = "8"
    & skf18("9","6","6","4","8","8","1") = "8"
    & skf18("9","6","6","4","8","9","1") = "8"
    & skf18("9","6","6","4","8","10","1") = "9"
    & skf18("9","6","6","4","9","1","1") = "8"
    & skf18("9","6","6","4","9","2","1") = "8"
    & skf18("9","6","6","4","9","3","1") = "8"
    & skf18("9","6","6","4","9","4","1") = "8"
    & skf18("9","6","6","4","9","5","1") = "8"
    & skf18("9","6","6","4","9","6","1") = "8"
    & skf18("9","6","6","4","9","7","1") = "8"
    & skf18("9","6","6","4","9","8","1") = "8"
    & skf18("9","6","6","4","9","9","1") = "8"
    & skf18("9","6","6","4","9","10","1") = "9"
    & skf18("9","6","6","4","10","1","1") = "9"
    & skf18("9","6","6","4","10","2","1") = "9"
    & skf18("9","6","6","4","10","3","1") = "9"
    & skf18("9","6","6","4","10","4","1") = "9"
    & skf18("9","6","6","4","10","5","1") = "9"
    & skf18("9","6","6","4","10","6","1") = "9"
    & skf18("9","6","6","4","10","7","1") = "9"
    & skf18("9","6","6","4","10","8","1") = "9"
    & skf18("9","6","6","4","10","9","1") = "9"
    & skf18("9","6","6","4","10","10","1") = "9"
    & skf18("9","6","6","5","1","1","1") = "8"
    & skf18("9","6","6","5","1","2","1") = "8"
    & skf18("9","6","6","5","1","3","1") = "8"
    & skf18("9","6","6","5","1","4","1") = "8"
    & skf18("9","6","6","5","1","5","1") = "8"
    & skf18("9","6","6","5","1","6","1") = "8"
    & skf18("9","6","6","5","1","7","1") = "8"
    & skf18("9","6","6","5","1","8","1") = "8"
    & skf18("9","6","6","5","1","9","1") = "8"
    & skf18("9","6","6","5","1","10","1") = "9"
    & skf18("9","6","6","5","2","1","1") = "8"
    & skf18("9","6","6","5","2","2","1") = "8"
    & skf18("9","6","6","5","2","3","1") = "8"
    & skf18("9","6","6","5","2","4","1") = "8"
    & skf18("9","6","6","5","2","5","1") = "8"
    & skf18("9","6","6","5","2","6","1") = "8"
    & skf18("9","6","6","5","2","7","1") = "8"
    & skf18("9","6","6","5","2","8","1") = "8"
    & skf18("9","6","6","5","2","9","1") = "8"
    & skf18("9","6","6","5","2","10","1") = "9"
    & skf18("9","6","6","5","3","1","1") = "8"
    & skf18("9","6","6","5","3","2","1") = "8"
    & skf18("9","6","6","5","3","3","1") = "8"
    & skf18("9","6","6","5","3","4","1") = "8"
    & skf18("9","6","6","5","3","5","1") = "8"
    & skf18("9","6","6","5","3","6","1") = "8"
    & skf18("9","6","6","5","3","7","1") = "8"
    & skf18("9","6","6","5","3","8","1") = "8"
    & skf18("9","6","6","5","3","9","1") = "8"
    & skf18("9","6","6","5","3","10","1") = "9"
    & skf18("9","6","6","5","4","1","1") = "8"
    & skf18("9","6","6","5","4","2","1") = "8"
    & skf18("9","6","6","5","4","3","1") = "8"
    & skf18("9","6","6","5","4","4","1") = "8"
    & skf18("9","6","6","5","4","5","1") = "8"
    & skf18("9","6","6","5","4","6","1") = "8"
    & skf18("9","6","6","5","4","7","1") = "8"
    & skf18("9","6","6","5","4","8","1") = "8"
    & skf18("9","6","6","5","4","9","1") = "8"
    & skf18("9","6","6","5","4","10","1") = "9"
    & skf18("9","6","6","5","5","1","1") = "8"
    & skf18("9","6","6","5","5","2","1") = "8"
    & skf18("9","6","6","5","5","3","1") = "8"
    & skf18("9","6","6","5","5","4","1") = "8"
    & skf18("9","6","6","5","5","5","1") = "8"
    & skf18("9","6","6","5","5","6","1") = "8"
    & skf18("9","6","6","5","5","7","1") = "8"
    & skf18("9","6","6","5","5","8","1") = "8"
    & skf18("9","6","6","5","5","9","1") = "8"
    & skf18("9","6","6","5","5","10","1") = "9"
    & skf18("9","6","6","5","6","1","1") = "8"
    & skf18("9","6","6","5","6","2","1") = "8"
    & skf18("9","6","6","5","6","3","1") = "8"
    & skf18("9","6","6","5","6","4","1") = "8"
    & skf18("9","6","6","5","6","5","1") = "8"
    & skf18("9","6","6","5","6","6","1") = "8"
    & skf18("9","6","6","5","6","7","1") = "8"
    & skf18("9","6","6","5","6","8","1") = "8"
    & skf18("9","6","6","5","6","9","1") = "8"
    & skf18("9","6","6","5","6","10","1") = "9"
    & skf18("9","6","6","5","7","1","1") = "8"
    & skf18("9","6","6","5","7","2","1") = "8"
    & skf18("9","6","6","5","7","3","1") = "8"
    & skf18("9","6","6","5","7","4","1") = "8"
    & skf18("9","6","6","5","7","5","1") = "8"
    & skf18("9","6","6","5","7","6","1") = "8"
    & skf18("9","6","6","5","7","7","1") = "8"
    & skf18("9","6","6","5","7","8","1") = "8"
    & skf18("9","6","6","5","7","9","1") = "8"
    & skf18("9","6","6","5","7","10","1") = "9"
    & skf18("9","6","6","5","8","1","1") = "8"
    & skf18("9","6","6","5","8","2","1") = "8"
    & skf18("9","6","6","5","8","3","1") = "8"
    & skf18("9","6","6","5","8","4","1") = "8"
    & skf18("9","6","6","5","8","5","1") = "8"
    & skf18("9","6","6","5","8","6","1") = "8"
    & skf18("9","6","6","5","8","7","1") = "8"
    & skf18("9","6","6","5","8","8","1") = "8"
    & skf18("9","6","6","5","8","9","1") = "8"
    & skf18("9","6","6","5","8","10","1") = "9"
    & skf18("9","6","6","5","9","1","1") = "8"
    & skf18("9","6","6","5","9","2","1") = "8"
    & skf18("9","6","6","5","9","3","1") = "8"
    & skf18("9","6","6","5","9","4","1") = "8"
    & skf18("9","6","6","5","9","5","1") = "8"
    & skf18("9","6","6","5","9","6","1") = "8"
    & skf18("9","6","6","5","9","7","1") = "8"
    & skf18("9","6","6","5","9","8","1") = "8"
    & skf18("9","6","6","5","9","9","1") = "8"
    & skf18("9","6","6","5","9","10","1") = "9"
    & skf18("9","6","6","5","10","1","1") = "9"
    & skf18("9","6","6","5","10","2","1") = "9"
    & skf18("9","6","6","5","10","3","1") = "9"
    & skf18("9","6","6","5","10","4","1") = "9"
    & skf18("9","6","6","5","10","5","1") = "9"
    & skf18("9","6","6","5","10","6","1") = "9"
    & skf18("9","6","6","5","10","7","1") = "9"
    & skf18("9","6","6","5","10","8","1") = "9"
    & skf18("9","6","6","5","10","9","1") = "9"
    & skf18("9","6","6","5","10","10","1") = "9"
    & skf18("9","6","6","6","1","1","1") = "8"
    & skf18("9","6","6","6","1","2","1") = "8"
    & skf18("9","6","6","6","1","3","1") = "8"
    & skf18("9","6","6","6","1","4","1") = "8"
    & skf18("9","6","6","6","1","5","1") = "8"
    & skf18("9","6","6","6","1","6","1") = "8"
    & skf18("9","6","6","6","1","7","1") = "8"
    & skf18("9","6","6","6","1","8","1") = "8"
    & skf18("9","6","6","6","1","9","1") = "8"
    & skf18("9","6","6","6","1","10","1") = "9"
    & skf18("9","6","6","6","2","1","1") = "8"
    & skf18("9","6","6","6","2","2","1") = "8"
    & skf18("9","6","6","6","2","3","1") = "8"
    & skf18("9","6","6","6","2","4","1") = "8"
    & skf18("9","6","6","6","2","5","1") = "8"
    & skf18("9","6","6","6","2","6","1") = "8"
    & skf18("9","6","6","6","2","7","1") = "8"
    & skf18("9","6","6","6","2","8","1") = "8"
    & skf18("9","6","6","6","2","9","1") = "8"
    & skf18("9","6","6","6","2","10","1") = "9"
    & skf18("9","6","6","6","3","1","1") = "8"
    & skf18("9","6","6","6","3","2","1") = "8"
    & skf18("9","6","6","6","3","3","1") = "8"
    & skf18("9","6","6","6","3","4","1") = "8"
    & skf18("9","6","6","6","3","5","1") = "8"
    & skf18("9","6","6","6","3","6","1") = "8"
    & skf18("9","6","6","6","3","7","1") = "8"
    & skf18("9","6","6","6","3","8","1") = "8"
    & skf18("9","6","6","6","3","9","1") = "8"
    & skf18("9","6","6","6","3","10","1") = "9"
    & skf18("9","6","6","6","4","1","1") = "8"
    & skf18("9","6","6","6","4","2","1") = "8"
    & skf18("9","6","6","6","4","3","1") = "8"
    & skf18("9","6","6","6","4","4","1") = "8"
    & skf18("9","6","6","6","4","5","1") = "8"
    & skf18("9","6","6","6","4","6","1") = "8"
    & skf18("9","6","6","6","4","7","1") = "8"
    & skf18("9","6","6","6","4","8","1") = "8"
    & skf18("9","6","6","6","4","9","1") = "8"
    & skf18("9","6","6","6","4","10","1") = "9"
    & skf18("9","6","6","6","5","1","1") = "8"
    & skf18("9","6","6","6","5","2","1") = "8"
    & skf18("9","6","6","6","5","3","1") = "8"
    & skf18("9","6","6","6","5","4","1") = "8"
    & skf18("9","6","6","6","5","5","1") = "8"
    & skf18("9","6","6","6","5","6","1") = "8"
    & skf18("9","6","6","6","5","7","1") = "8"
    & skf18("9","6","6","6","5","8","1") = "8"
    & skf18("9","6","6","6","5","9","1") = "8"
    & skf18("9","6","6","6","5","10","1") = "9"
    & skf18("9","6","6","6","6","1","1") = "8"
    & skf18("9","6","6","6","6","2","1") = "8"
    & skf18("9","6","6","6","6","3","1") = "8"
    & skf18("9","6","6","6","6","4","1") = "8"
    & skf18("9","6","6","6","6","5","1") = "8"
    & skf18("9","6","6","6","6","6","1") = "8"
    & skf18("9","6","6","6","6","7","1") = "8"
    & skf18("9","6","6","6","6","8","1") = "8"
    & skf18("9","6","6","6","6","9","1") = "8"
    & skf18("9","6","6","6","6","10","1") = "9"
    & skf18("9","6","6","6","7","1","1") = "8"
    & skf18("9","6","6","6","7","2","1") = "8"
    & skf18("9","6","6","6","7","3","1") = "8"
    & skf18("9","6","6","6","7","4","1") = "8"
    & skf18("9","6","6","6","7","5","1") = "8"
    & skf18("9","6","6","6","7","6","1") = "8"
    & skf18("9","6","6","6","7","7","1") = "8"
    & skf18("9","6","6","6","7","8","1") = "8"
    & skf18("9","6","6","6","7","9","1") = "8"
    & skf18("9","6","6","6","7","10","1") = "9"
    & skf18("9","6","6","6","8","1","1") = "8"
    & skf18("9","6","6","6","8","2","1") = "8"
    & skf18("9","6","6","6","8","3","1") = "8"
    & skf18("9","6","6","6","8","4","1") = "8"
    & skf18("9","6","6","6","8","5","1") = "8"
    & skf18("9","6","6","6","8","6","1") = "8"
    & skf18("9","6","6","6","8","7","1") = "8"
    & skf18("9","6","6","6","8","8","1") = "8"
    & skf18("9","6","6","6","8","9","1") = "8"
    & skf18("9","6","6","6","8","10","1") = "9"
    & skf18("9","6","6","6","9","1","1") = "8"
    & skf18("9","6","6","6","9","2","1") = "8"
    & skf18("9","6","6","6","9","3","1") = "8"
    & skf18("9","6","6","6","9","4","1") = "8"
    & skf18("9","6","6","6","9","5","1") = "8"
    & skf18("9","6","6","6","9","6","1") = "8"
    & skf18("9","6","6","6","9","7","1") = "8"
    & skf18("9","6","6","6","9","8","1") = "8"
    & skf18("9","6","6","6","9","9","1") = "8"
    & skf18("9","6","6","6","9","10","1") = "9"
    & skf18("9","6","6","6","10","1","1") = "9"
    & skf18("9","6","6","6","10","2","1") = "9"
    & skf18("9","6","6","6","10","3","1") = "9"
    & skf18("9","6","6","6","10","4","1") = "9"
    & skf18("9","6","6","6","10","5","1") = "9"
    & skf18("9","6","6","6","10","6","1") = "9"
    & skf18("9","6","6","6","10","7","1") = "9"
    & skf18("9","6","6","6","10","8","1") = "9"
    & skf18("9","6","6","6","10","9","1") = "9"
    & skf18("9","6","6","6","10","10","1") = "9"
    & skf18("9","6","6","7","1","1","1") = "8"
    & skf18("9","6","6","7","1","2","1") = "8"
    & skf18("9","6","6","7","1","3","1") = "8"
    & skf18("9","6","6","7","1","4","1") = "8"
    & skf18("9","6","6","7","1","5","1") = "8"
    & skf18("9","6","6","7","1","6","1") = "8"
    & skf18("9","6","6","7","1","7","1") = "8"
    & skf18("9","6","6","7","1","8","1") = "8"
    & skf18("9","6","6","7","1","9","1") = "8"
    & skf18("9","6","6","7","1","10","1") = "9"
    & skf18("9","6","6","7","2","1","1") = "8"
    & skf18("9","6","6","7","2","2","1") = "8"
    & skf18("9","6","6","7","2","3","1") = "8"
    & skf18("9","6","6","7","2","4","1") = "8"
    & skf18("9","6","6","7","2","5","1") = "8"
    & skf18("9","6","6","7","2","6","1") = "8"
    & skf18("9","6","6","7","2","7","1") = "8"
    & skf18("9","6","6","7","2","8","1") = "8"
    & skf18("9","6","6","7","2","9","1") = "8"
    & skf18("9","6","6","7","2","10","1") = "9"
    & skf18("9","6","6","7","3","1","1") = "8"
    & skf18("9","6","6","7","3","2","1") = "8"
    & skf18("9","6","6","7","3","3","1") = "8"
    & skf18("9","6","6","7","3","4","1") = "8"
    & skf18("9","6","6","7","3","5","1") = "8"
    & skf18("9","6","6","7","3","6","1") = "8"
    & skf18("9","6","6","7","3","7","1") = "8"
    & skf18("9","6","6","7","3","8","1") = "8"
    & skf18("9","6","6","7","3","9","1") = "8"
    & skf18("9","6","6","7","3","10","1") = "9"
    & skf18("9","6","6","7","4","1","1") = "8"
    & skf18("9","6","6","7","4","2","1") = "8"
    & skf18("9","6","6","7","4","3","1") = "8"
    & skf18("9","6","6","7","4","4","1") = "8"
    & skf18("9","6","6","7","4","5","1") = "8"
    & skf18("9","6","6","7","4","6","1") = "8"
    & skf18("9","6","6","7","4","7","1") = "8"
    & skf18("9","6","6","7","4","8","1") = "8"
    & skf18("9","6","6","7","4","9","1") = "8"
    & skf18("9","6","6","7","4","10","1") = "9"
    & skf18("9","6","6","7","5","1","1") = "8"
    & skf18("9","6","6","7","5","2","1") = "8"
    & skf18("9","6","6","7","5","3","1") = "8"
    & skf18("9","6","6","7","5","4","1") = "8"
    & skf18("9","6","6","7","5","5","1") = "8"
    & skf18("9","6","6","7","5","6","1") = "8"
    & skf18("9","6","6","7","5","7","1") = "8"
    & skf18("9","6","6","7","5","8","1") = "8"
    & skf18("9","6","6","7","5","9","1") = "8"
    & skf18("9","6","6","7","5","10","1") = "9"
    & skf18("9","6","6","7","6","1","1") = "8"
    & skf18("9","6","6","7","6","2","1") = "8"
    & skf18("9","6","6","7","6","3","1") = "8"
    & skf18("9","6","6","7","6","4","1") = "8"
    & skf18("9","6","6","7","6","5","1") = "8"
    & skf18("9","6","6","7","6","6","1") = "8"
    & skf18("9","6","6","7","6","7","1") = "8"
    & skf18("9","6","6","7","6","8","1") = "8"
    & skf18("9","6","6","7","6","9","1") = "8"
    & skf18("9","6","6","7","6","10","1") = "9"
    & skf18("9","6","6","7","7","1","1") = "8"
    & skf18("9","6","6","7","7","2","1") = "8"
    & skf18("9","6","6","7","7","3","1") = "8"
    & skf18("9","6","6","7","7","4","1") = "8"
    & skf18("9","6","6","7","7","5","1") = "8"
    & skf18("9","6","6","7","7","6","1") = "8"
    & skf18("9","6","6","7","7","7","1") = "8"
    & skf18("9","6","6","7","7","8","1") = "8"
    & skf18("9","6","6","7","7","9","1") = "8"
    & skf18("9","6","6","7","7","10","1") = "9"
    & skf18("9","6","6","7","8","1","1") = "8"
    & skf18("9","6","6","7","8","2","1") = "8"
    & skf18("9","6","6","7","8","3","1") = "8"
    & skf18("9","6","6","7","8","4","1") = "8"
    & skf18("9","6","6","7","8","5","1") = "8"
    & skf18("9","6","6","7","8","6","1") = "8"
    & skf18("9","6","6","7","8","7","1") = "8"
    & skf18("9","6","6","7","8","8","1") = "8"
    & skf18("9","6","6","7","8","9","1") = "8"
    & skf18("9","6","6","7","8","10","1") = "9"
    & skf18("9","6","6","7","9","1","1") = "8"
    & skf18("9","6","6","7","9","2","1") = "8"
    & skf18("9","6","6","7","9","3","1") = "8"
    & skf18("9","6","6","7","9","4","1") = "8"
    & skf18("9","6","6","7","9","5","1") = "8"
    & skf18("9","6","6","7","9","6","1") = "8"
    & skf18("9","6","6","7","9","7","1") = "8"
    & skf18("9","6","6","7","9","8","1") = "8"
    & skf18("9","6","6","7","9","9","1") = "8"
    & skf18("9","6","6","7","9","10","1") = "9"
    & skf18("9","6","6","7","10","1","1") = "9"
    & skf18("9","6","6","7","10","2","1") = "9"
    & skf18("9","6","6","7","10","3","1") = "9"
    & skf18("9","6","6","7","10","4","1") = "9"
    & skf18("9","6","6","7","10","5","1") = "9"
    & skf18("9","6","6","7","10","6","1") = "9"
    & skf18("9","6","6","7","10","7","1") = "9"
    & skf18("9","6","6","7","10","8","1") = "9"
    & skf18("9","6","6","7","10","9","1") = "9"
    & skf18("9","6","6","7","10","10","1") = "9"
    & skf18("9","6","6","8","1","1","1") = "8"
    & skf18("9","6","6","8","1","2","1") = "8"
    & skf18("9","6","6","8","1","3","1") = "8"
    & skf18("9","6","6","8","1","4","1") = "8"
    & skf18("9","6","6","8","1","5","1") = "8"
    & skf18("9","6","6","8","1","6","1") = "8"
    & skf18("9","6","6","8","1","7","1") = "8"
    & skf18("9","6","6","8","1","8","1") = "8"
    & skf18("9","6","6","8","1","9","1") = "8"
    & skf18("9","6","6","8","1","10","1") = "9"
    & skf18("9","6","6","8","2","1","1") = "8"
    & skf18("9","6","6","8","2","2","1") = "8"
    & skf18("9","6","6","8","2","3","1") = "8"
    & skf18("9","6","6","8","2","4","1") = "8"
    & skf18("9","6","6","8","2","5","1") = "8"
    & skf18("9","6","6","8","2","6","1") = "8"
    & skf18("9","6","6","8","2","7","1") = "8"
    & skf18("9","6","6","8","2","8","1") = "8"
    & skf18("9","6","6","8","2","9","1") = "8"
    & skf18("9","6","6","8","2","10","1") = "9"
    & skf18("9","6","6","8","3","1","1") = "8"
    & skf18("9","6","6","8","3","2","1") = "8"
    & skf18("9","6","6","8","3","3","1") = "8"
    & skf18("9","6","6","8","3","4","1") = "8"
    & skf18("9","6","6","8","3","5","1") = "8"
    & skf18("9","6","6","8","3","6","1") = "8"
    & skf18("9","6","6","8","3","7","1") = "8"
    & skf18("9","6","6","8","3","8","1") = "8"
    & skf18("9","6","6","8","3","9","1") = "8"
    & skf18("9","6","6","8","3","10","1") = "9"
    & skf18("9","6","6","8","4","1","1") = "8"
    & skf18("9","6","6","8","4","2","1") = "8"
    & skf18("9","6","6","8","4","3","1") = "8"
    & skf18("9","6","6","8","4","4","1") = "8"
    & skf18("9","6","6","8","4","5","1") = "8"
    & skf18("9","6","6","8","4","6","1") = "8"
    & skf18("9","6","6","8","4","7","1") = "8"
    & skf18("9","6","6","8","4","8","1") = "8"
    & skf18("9","6","6","8","4","9","1") = "8"
    & skf18("9","6","6","8","4","10","1") = "9"
    & skf18("9","6","6","8","5","1","1") = "8"
    & skf18("9","6","6","8","5","2","1") = "8"
    & skf18("9","6","6","8","5","3","1") = "8"
    & skf18("9","6","6","8","5","4","1") = "8"
    & skf18("9","6","6","8","5","5","1") = "8"
    & skf18("9","6","6","8","5","6","1") = "8"
    & skf18("9","6","6","8","5","7","1") = "8"
    & skf18("9","6","6","8","5","8","1") = "8"
    & skf18("9","6","6","8","5","9","1") = "8"
    & skf18("9","6","6","8","5","10","1") = "9"
    & skf18("9","6","6","8","6","1","1") = "8"
    & skf18("9","6","6","8","6","2","1") = "8"
    & skf18("9","6","6","8","6","3","1") = "8"
    & skf18("9","6","6","8","6","4","1") = "8"
    & skf18("9","6","6","8","6","5","1") = "8"
    & skf18("9","6","6","8","6","6","1") = "8"
    & skf18("9","6","6","8","6","7","1") = "8"
    & skf18("9","6","6","8","6","8","1") = "8"
    & skf18("9","6","6","8","6","9","1") = "8"
    & skf18("9","6","6","8","6","10","1") = "9"
    & skf18("9","6","6","8","7","1","1") = "8"
    & skf18("9","6","6","8","7","2","1") = "8"
    & skf18("9","6","6","8","7","3","1") = "8"
    & skf18("9","6","6","8","7","4","1") = "8"
    & skf18("9","6","6","8","7","5","1") = "8"
    & skf18("9","6","6","8","7","6","1") = "8"
    & skf18("9","6","6","8","7","7","1") = "8"
    & skf18("9","6","6","8","7","8","1") = "8"
    & skf18("9","6","6","8","7","9","1") = "8"
    & skf18("9","6","6","8","7","10","1") = "9"
    & skf18("9","6","6","8","8","1","1") = "8"
    & skf18("9","6","6","8","8","2","1") = "8"
    & skf18("9","6","6","8","8","3","1") = "8"
    & skf18("9","6","6","8","8","4","1") = "8"
    & skf18("9","6","6","8","8","5","1") = "8"
    & skf18("9","6","6","8","8","6","1") = "8"
    & skf18("9","6","6","8","8","7","1") = "8"
    & skf18("9","6","6","8","8","8","1") = "8"
    & skf18("9","6","6","8","8","9","1") = "8"
    & skf18("9","6","6","8","8","10","1") = "9"
    & skf18("9","6","6","8","9","1","1") = "8"
    & skf18("9","6","6","8","9","2","1") = "8"
    & skf18("9","6","6","8","9","3","1") = "8"
    & skf18("9","6","6","8","9","4","1") = "8"
    & skf18("9","6","6","8","9","5","1") = "8"
    & skf18("9","6","6","8","9","6","1") = "8"
    & skf18("9","6","6","8","9","7","1") = "8"
    & skf18("9","6","6","8","9","8","1") = "8"
    & skf18("9","6","6","8","9","9","1") = "8"
    & skf18("9","6","6","8","9","10","1") = "9"
    & skf18("9","6","6","8","10","1","1") = "9"
    & skf18("9","6","6","8","10","2","1") = "9"
    & skf18("9","6","6","8","10","3","1") = "9"
    & skf18("9","6","6","8","10","4","1") = "9"
    & skf18("9","6","6","8","10","5","1") = "9"
    & skf18("9","6","6","8","10","6","1") = "9"
    & skf18("9","6","6","8","10","7","1") = "9"
    & skf18("9","6","6","8","10","8","1") = "9"
    & skf18("9","6","6","8","10","9","1") = "9"
    & skf18("9","6","6","8","10","10","1") = "9"
    & skf18("9","6","6","9","1","1","1") = "8"
    & skf18("9","6","6","9","1","2","1") = "8"
    & skf18("9","6","6","9","1","3","1") = "8"
    & skf18("9","6","6","9","1","4","1") = "8"
    & skf18("9","6","6","9","1","5","1") = "8"
    & skf18("9","6","6","9","1","6","1") = "8"
    & skf18("9","6","6","9","1","7","1") = "8"
    & skf18("9","6","6","9","1","8","1") = "8"
    & skf18("9","6","6","9","1","9","1") = "8"
    & skf18("9","6","6","9","1","10","1") = "9"
    & skf18("9","6","6","9","2","1","1") = "8"
    & skf18("9","6","6","9","2","2","1") = "8"
    & skf18("9","6","6","9","2","3","1") = "8"
    & skf18("9","6","6","9","2","4","1") = "8"
    & skf18("9","6","6","9","2","5","1") = "8"
    & skf18("9","6","6","9","2","6","1") = "8"
    & skf18("9","6","6","9","2","7","1") = "8"
    & skf18("9","6","6","9","2","8","1") = "8"
    & skf18("9","6","6","9","2","9","1") = "8"
    & skf18("9","6","6","9","2","10","1") = "9"
    & skf18("9","6","6","9","3","1","1") = "8"
    & skf18("9","6","6","9","3","2","1") = "8"
    & skf18("9","6","6","9","3","3","1") = "8"
    & skf18("9","6","6","9","3","4","1") = "8"
    & skf18("9","6","6","9","3","5","1") = "8"
    & skf18("9","6","6","9","3","6","1") = "8"
    & skf18("9","6","6","9","3","7","1") = "8"
    & skf18("9","6","6","9","3","8","1") = "8"
    & skf18("9","6","6","9","3","9","1") = "8"
    & skf18("9","6","6","9","3","10","1") = "9"
    & skf18("9","6","6","9","4","1","1") = "8"
    & skf18("9","6","6","9","4","2","1") = "8"
    & skf18("9","6","6","9","4","3","1") = "8"
    & skf18("9","6","6","9","4","4","1") = "8"
    & skf18("9","6","6","9","4","5","1") = "8"
    & skf18("9","6","6","9","4","6","1") = "8"
    & skf18("9","6","6","9","4","7","1") = "8"
    & skf18("9","6","6","9","4","8","1") = "8"
    & skf18("9","6","6","9","4","9","1") = "8"
    & skf18("9","6","6","9","4","10","1") = "9"
    & skf18("9","6","6","9","5","1","1") = "8"
    & skf18("9","6","6","9","5","2","1") = "8"
    & skf18("9","6","6","9","5","3","1") = "8"
    & skf18("9","6","6","9","5","4","1") = "8"
    & skf18("9","6","6","9","5","5","1") = "8"
    & skf18("9","6","6","9","5","6","1") = "8"
    & skf18("9","6","6","9","5","7","1") = "8"
    & skf18("9","6","6","9","5","8","1") = "8"
    & skf18("9","6","6","9","5","9","1") = "8"
    & skf18("9","6","6","9","5","10","1") = "9"
    & skf18("9","6","6","9","6","1","1") = "8"
    & skf18("9","6","6","9","6","2","1") = "8"
    & skf18("9","6","6","9","6","3","1") = "8"
    & skf18("9","6","6","9","6","4","1") = "8"
    & skf18("9","6","6","9","6","5","1") = "8"
    & skf18("9","6","6","9","6","6","1") = "8"
    & skf18("9","6","6","9","6","7","1") = "8"
    & skf18("9","6","6","9","6","8","1") = "8"
    & skf18("9","6","6","9","6","9","1") = "8"
    & skf18("9","6","6","9","6","10","1") = "9"
    & skf18("9","6","6","9","7","1","1") = "8"
    & skf18("9","6","6","9","7","2","1") = "8"
    & skf18("9","6","6","9","7","3","1") = "8"
    & skf18("9","6","6","9","7","4","1") = "8"
    & skf18("9","6","6","9","7","5","1") = "8"
    & skf18("9","6","6","9","7","6","1") = "8"
    & skf18("9","6","6","9","7","7","1") = "8"
    & skf18("9","6","6","9","7","8","1") = "8"
    & skf18("9","6","6","9","7","9","1") = "8"
    & skf18("9","6","6","9","7","10","1") = "9"
    & skf18("9","6","6","9","8","1","1") = "8"
    & skf18("9","6","6","9","8","2","1") = "8"
    & skf18("9","6","6","9","8","3","1") = "8"
    & skf18("9","6","6","9","8","4","1") = "8"
    & skf18("9","6","6","9","8","5","1") = "8"
    & skf18("9","6","6","9","8","6","1") = "8"
    & skf18("9","6","6","9","8","7","1") = "8"
    & skf18("9","6","6","9","8","8","1") = "8"
    & skf18("9","6","6","9","8","9","1") = "8"
    & skf18("9","6","6","9","8","10","1") = "9"
    & skf18("9","6","6","9","9","1","1") = "8"
    & skf18("9","6","6","9","9","2","1") = "8"
    & skf18("9","6","6","9","9","3","1") = "8"
    & skf18("9","6","6","9","9","4","1") = "8"
    & skf18("9","6","6","9","9","5","1") = "8"
    & skf18("9","6","6","9","9","6","1") = "8"
    & skf18("9","6","6","9","9","7","1") = "8"
    & skf18("9","6","6","9","9","8","1") = "8"
    & skf18("9","6","6","9","9","9","1") = "8"
    & skf18("9","6","6","9","9","10","1") = "9"
    & skf18("9","6","6","9","10","1","1") = "9"
    & skf18("9","6","6","9","10","2","1") = "9"
    & skf18("9","6","6","9","10","3","1") = "9"
    & skf18("9","6","6","9","10","4","1") = "9"
    & skf18("9","6","6","9","10","5","1") = "9"
    & skf18("9","6","6","9","10","6","1") = "9"
    & skf18("9","6","6","9","10","7","1") = "9"
    & skf18("9","6","6","9","10","8","1") = "9"
    & skf18("9","6","6","9","10","9","1") = "9"
    & skf18("9","6","6","9","10","10","1") = "9"
    & skf18("9","6","6","10","1","1","1") = "9"
    & skf18("9","6","6","10","1","2","1") = "9"
    & skf18("9","6","6","10","1","3","1") = "9"
    & skf18("9","6","6","10","1","4","1") = "9"
    & skf18("9","6","6","10","1","5","1") = "9"
    & skf18("9","6","6","10","1","6","1") = "9"
    & skf18("9","6","6","10","1","7","1") = "9"
    & skf18("9","6","6","10","1","8","1") = "9"
    & skf18("9","6","6","10","1","9","1") = "9"
    & skf18("9","6","6","10","1","10","1") = "9"
    & skf18("9","6","6","10","2","1","1") = "9"
    & skf18("9","6","6","10","2","2","1") = "9"
    & skf18("9","6","6","10","2","3","1") = "9"
    & skf18("9","6","6","10","2","4","1") = "9"
    & skf18("9","6","6","10","2","5","1") = "9"
    & skf18("9","6","6","10","2","6","1") = "9"
    & skf18("9","6","6","10","2","7","1") = "9"
    & skf18("9","6","6","10","2","8","1") = "9"
    & skf18("9","6","6","10","2","9","1") = "9"
    & skf18("9","6","6","10","2","10","1") = "9"
    & skf18("9","6","6","10","3","1","1") = "9"
    & skf18("9","6","6","10","3","2","1") = "9"
    & skf18("9","6","6","10","3","3","1") = "9"
    & skf18("9","6","6","10","3","4","1") = "9"
    & skf18("9","6","6","10","3","5","1") = "9"
    & skf18("9","6","6","10","3","6","1") = "9"
    & skf18("9","6","6","10","3","7","1") = "9"
    & skf18("9","6","6","10","3","8","1") = "9"
    & skf18("9","6","6","10","3","9","1") = "9"
    & skf18("9","6","6","10","3","10","1") = "9"
    & skf18("9","6","6","10","4","1","1") = "9"
    & skf18("9","6","6","10","4","2","1") = "9"
    & skf18("9","6","6","10","4","3","1") = "9"
    & skf18("9","6","6","10","4","4","1") = "9"
    & skf18("9","6","6","10","4","5","1") = "9"
    & skf18("9","6","6","10","4","6","1") = "9"
    & skf18("9","6","6","10","4","7","1") = "9"
    & skf18("9","6","6","10","4","8","1") = "9"
    & skf18("9","6","6","10","4","9","1") = "9"
    & skf18("9","6","6","10","4","10","1") = "9"
    & skf18("9","6","6","10","5","1","1") = "9"
    & skf18("9","6","6","10","5","2","1") = "9"
    & skf18("9","6","6","10","5","3","1") = "9"
    & skf18("9","6","6","10","5","4","1") = "9"
    & skf18("9","6","6","10","5","5","1") = "9"
    & skf18("9","6","6","10","5","6","1") = "9"
    & skf18("9","6","6","10","5","7","1") = "9"
    & skf18("9","6","6","10","5","8","1") = "9"
    & skf18("9","6","6","10","5","9","1") = "9"
    & skf18("9","6","6","10","5","10","1") = "9"
    & skf18("9","6","6","10","6","1","1") = "9"
    & skf18("9","6","6","10","6","2","1") = "9"
    & skf18("9","6","6","10","6","3","1") = "9"
    & skf18("9","6","6","10","6","4","1") = "9"
    & skf18("9","6","6","10","6","5","1") = "9"
    & skf18("9","6","6","10","6","6","1") = "9"
    & skf18("9","6","6","10","6","7","1") = "9"
    & skf18("9","6","6","10","6","8","1") = "9"
    & skf18("9","6","6","10","6","9","1") = "9"
    & skf18("9","6","6","10","6","10","1") = "9"
    & skf18("9","6","6","10","7","1","1") = "9"
    & skf18("9","6","6","10","7","2","1") = "9"
    & skf18("9","6","6","10","7","3","1") = "9"
    & skf18("9","6","6","10","7","4","1") = "9"
    & skf18("9","6","6","10","7","5","1") = "9"
    & skf18("9","6","6","10","7","6","1") = "9"
    & skf18("9","6","6","10","7","7","1") = "9"
    & skf18("9","6","6","10","7","8","1") = "9"
    & skf18("9","6","6","10","7","9","1") = "9"
    & skf18("9","6","6","10","7","10","1") = "9"
    & skf18("9","6","6","10","8","1","1") = "9"
    & skf18("9","6","6","10","8","2","1") = "9"
    & skf18("9","6","6","10","8","3","1") = "9"
    & skf18("9","6","6","10","8","4","1") = "9"
    & skf18("9","6","6","10","8","5","1") = "9"
    & skf18("9","6","6","10","8","6","1") = "9"
    & skf18("9","6","6","10","8","7","1") = "9"
    & skf18("9","6","6","10","8","8","1") = "9"
    & skf18("9","6","6","10","8","9","1") = "9"
    & skf18("9","6","6","10","8","10","1") = "9"
    & skf18("9","6","6","10","9","1","1") = "9"
    & skf18("9","6","6","10","9","2","1") = "9"
    & skf18("9","6","6","10","9","3","1") = "9"
    & skf18("9","6","6","10","9","4","1") = "9"
    & skf18("9","6","6","10","9","5","1") = "9"
    & skf18("9","6","6","10","9","6","1") = "9"
    & skf18("9","6","6","10","9","7","1") = "9"
    & skf18("9","6","6","10","9","8","1") = "9"
    & skf18("9","6","6","10","9","9","1") = "9"
    & skf18("9","6","6","10","9","10","1") = "9"
    & skf18("9","6","6","10","10","1","1") = "9"
    & skf18("9","6","6","10","10","2","1") = "9"
    & skf18("9","6","6","10","10","3","1") = "9"
    & skf18("9","6","6","10","10","4","1") = "9"
    & skf18("9","6","6","10","10","5","1") = "9"
    & skf18("9","6","6","10","10","6","1") = "9"
    & skf18("9","6","6","10","10","7","1") = "9"
    & skf18("9","6","6","10","10","8","1") = "9"
    & skf18("9","6","6","10","10","9","1") = "9"
    & skf18("9","6","6","10","10","10","1") = "9"
    & skf18("9","6","7","1","1","1","1") = "8"
    & skf18("9","6","7","1","1","2","1") = "8"
    & skf18("9","6","7","1","1","3","1") = "8"
    & skf18("9","6","7","1","1","4","1") = "8"
    & skf18("9","6","7","1","1","5","1") = "8"
    & skf18("9","6","7","1","1","6","1") = "8"
    & skf18("9","6","7","1","1","7","1") = "8"
    & skf18("9","6","7","1","1","8","1") = "8"
    & skf18("9","6","7","1","1","9","1") = "8"
    & skf18("9","6","7","1","1","10","1") = "9"
    & skf18("9","6","7","1","2","1","1") = "8"
    & skf18("9","6","7","1","2","2","1") = "8"
    & skf18("9","6","7","1","2","3","1") = "8"
    & skf18("9","6","7","1","2","4","1") = "8"
    & skf18("9","6","7","1","2","5","1") = "8"
    & skf18("9","6","7","1","2","6","1") = "8"
    & skf18("9","6","7","1","2","7","1") = "8"
    & skf18("9","6","7","1","2","8","1") = "8"
    & skf18("9","6","7","1","2","9","1") = "8"
    & skf18("9","6","7","1","2","10","1") = "9"
    & skf18("9","6","7","1","3","1","1") = "8"
    & skf18("9","6","7","1","3","2","1") = "8"
    & skf18("9","6","7","1","3","3","1") = "8"
    & skf18("9","6","7","1","3","4","1") = "8"
    & skf18("9","6","7","1","3","5","1") = "8"
    & skf18("9","6","7","1","3","6","1") = "8"
    & skf18("9","6","7","1","3","7","1") = "8"
    & skf18("9","6","7","1","3","8","1") = "8"
    & skf18("9","6","7","1","3","9","1") = "8"
    & skf18("9","6","7","1","3","10","1") = "9"
    & skf18("9","6","7","1","4","1","1") = "8"
    & skf18("9","6","7","1","4","2","1") = "8"
    & skf18("9","6","7","1","4","3","1") = "8"
    & skf18("9","6","7","1","4","4","1") = "8"
    & skf18("9","6","7","1","4","5","1") = "8"
    & skf18("9","6","7","1","4","6","1") = "8"
    & skf18("9","6","7","1","4","7","1") = "8"
    & skf18("9","6","7","1","4","8","1") = "8"
    & skf18("9","6","7","1","4","9","1") = "8"
    & skf18("9","6","7","1","4","10","1") = "9"
    & skf18("9","6","7","1","5","1","1") = "8"
    & skf18("9","6","7","1","5","2","1") = "8"
    & skf18("9","6","7","1","5","3","1") = "8"
    & skf18("9","6","7","1","5","4","1") = "8"
    & skf18("9","6","7","1","5","5","1") = "8"
    & skf18("9","6","7","1","5","6","1") = "8"
    & skf18("9","6","7","1","5","7","1") = "8"
    & skf18("9","6","7","1","5","8","1") = "8"
    & skf18("9","6","7","1","5","9","1") = "8"
    & skf18("9","6","7","1","5","10","1") = "9"
    & skf18("9","6","7","1","6","1","1") = "8"
    & skf18("9","6","7","1","6","2","1") = "8"
    & skf18("9","6","7","1","6","3","1") = "8"
    & skf18("9","6","7","1","6","4","1") = "8"
    & skf18("9","6","7","1","6","5","1") = "8"
    & skf18("9","6","7","1","6","6","1") = "8"
    & skf18("9","6","7","1","6","7","1") = "8"
    & skf18("9","6","7","1","6","8","1") = "8"
    & skf18("9","6","7","1","6","9","1") = "8"
    & skf18("9","6","7","1","6","10","1") = "9"
    & skf18("9","6","7","1","7","1","1") = "8"
    & skf18("9","6","7","1","7","2","1") = "8"
    & skf18("9","6","7","1","7","3","1") = "8"
    & skf18("9","6","7","1","7","4","1") = "8"
    & skf18("9","6","7","1","7","5","1") = "8"
    & skf18("9","6","7","1","7","6","1") = "8"
    & skf18("9","6","7","1","7","7","1") = "8"
    & skf18("9","6","7","1","7","8","1") = "8"
    & skf18("9","6","7","1","7","9","1") = "8"
    & skf18("9","6","7","1","7","10","1") = "9"
    & skf18("9","6","7","1","8","1","1") = "8"
    & skf18("9","6","7","1","8","2","1") = "8"
    & skf18("9","6","7","1","8","3","1") = "8"
    & skf18("9","6","7","1","8","4","1") = "8"
    & skf18("9","6","7","1","8","5","1") = "8"
    & skf18("9","6","7","1","8","6","1") = "8"
    & skf18("9","6","7","1","8","7","1") = "8"
    & skf18("9","6","7","1","8","8","1") = "8"
    & skf18("9","6","7","1","8","9","1") = "8"
    & skf18("9","6","7","1","8","10","1") = "9"
    & skf18("9","6","7","1","9","1","1") = "8"
    & skf18("9","6","7","1","9","2","1") = "8"
    & skf18("9","6","7","1","9","3","1") = "8"
    & skf18("9","6","7","1","9","4","1") = "8"
    & skf18("9","6","7","1","9","5","1") = "8"
    & skf18("9","6","7","1","9","6","1") = "8"
    & skf18("9","6","7","1","9","7","1") = "8"
    & skf18("9","6","7","1","9","8","1") = "8"
    & skf18("9","6","7","1","9","9","1") = "8"
    & skf18("9","6","7","1","9","10","1") = "9"
    & skf18("9","6","7","1","10","1","1") = "9"
    & skf18("9","6","7","1","10","2","1") = "9"
    & skf18("9","6","7","1","10","3","1") = "9"
    & skf18("9","6","7","1","10","4","1") = "9"
    & skf18("9","6","7","1","10","5","1") = "9"
    & skf18("9","6","7","1","10","6","1") = "9"
    & skf18("9","6","7","1","10","7","1") = "9"
    & skf18("9","6","7","1","10","8","1") = "9"
    & skf18("9","6","7","1","10","9","1") = "9"
    & skf18("9","6","7","1","10","10","1") = "9"
    & skf18("9","6","7","2","1","1","1") = "8"
    & skf18("9","6","7","2","1","2","1") = "8"
    & skf18("9","6","7","2","1","3","1") = "8"
    & skf18("9","6","7","2","1","4","1") = "8"
    & skf18("9","6","7","2","1","5","1") = "8"
    & skf18("9","6","7","2","1","6","1") = "8"
    & skf18("9","6","7","2","1","7","1") = "8"
    & skf18("9","6","7","2","1","8","1") = "8"
    & skf18("9","6","7","2","1","9","1") = "8"
    & skf18("9","6","7","2","1","10","1") = "9"
    & skf18("9","6","7","2","2","1","1") = "8"
    & skf18("9","6","7","2","2","2","1") = "8"
    & skf18("9","6","7","2","2","3","1") = "8"
    & skf18("9","6","7","2","2","4","1") = "8"
    & skf18("9","6","7","2","2","5","1") = "8"
    & skf18("9","6","7","2","2","6","1") = "8"
    & skf18("9","6","7","2","2","7","1") = "8"
    & skf18("9","6","7","2","2","8","1") = "8"
    & skf18("9","6","7","2","2","9","1") = "8"
    & skf18("9","6","7","2","2","10","1") = "9"
    & skf18("9","6","7","2","3","1","1") = "8"
    & skf18("9","6","7","2","3","2","1") = "8"
    & skf18("9","6","7","2","3","3","1") = "8"
    & skf18("9","6","7","2","3","4","1") = "8"
    & skf18("9","6","7","2","3","5","1") = "8"
    & skf18("9","6","7","2","3","6","1") = "8"
    & skf18("9","6","7","2","3","7","1") = "8"
    & skf18("9","6","7","2","3","8","1") = "8"
    & skf18("9","6","7","2","3","9","1") = "8"
    & skf18("9","6","7","2","3","10","1") = "9"
    & skf18("9","6","7","2","4","1","1") = "8"
    & skf18("9","6","7","2","4","2","1") = "8"
    & skf18("9","6","7","2","4","3","1") = "8"
    & skf18("9","6","7","2","4","4","1") = "8"
    & skf18("9","6","7","2","4","5","1") = "8"
    & skf18("9","6","7","2","4","6","1") = "8"
    & skf18("9","6","7","2","4","7","1") = "8"
    & skf18("9","6","7","2","4","8","1") = "8"
    & skf18("9","6","7","2","4","9","1") = "8"
    & skf18("9","6","7","2","4","10","1") = "9"
    & skf18("9","6","7","2","5","1","1") = "8"
    & skf18("9","6","7","2","5","2","1") = "8"
    & skf18("9","6","7","2","5","3","1") = "8"
    & skf18("9","6","7","2","5","4","1") = "8"
    & skf18("9","6","7","2","5","5","1") = "8"
    & skf18("9","6","7","2","5","6","1") = "8"
    & skf18("9","6","7","2","5","7","1") = "8"
    & skf18("9","6","7","2","5","8","1") = "8"
    & skf18("9","6","7","2","5","9","1") = "8"
    & skf18("9","6","7","2","5","10","1") = "9"
    & skf18("9","6","7","2","6","1","1") = "8"
    & skf18("9","6","7","2","6","2","1") = "8"
    & skf18("9","6","7","2","6","3","1") = "8"
    & skf18("9","6","7","2","6","4","1") = "8"
    & skf18("9","6","7","2","6","5","1") = "8"
    & skf18("9","6","7","2","6","6","1") = "8"
    & skf18("9","6","7","2","6","7","1") = "8"
    & skf18("9","6","7","2","6","8","1") = "8"
    & skf18("9","6","7","2","6","9","1") = "8"
    & skf18("9","6","7","2","6","10","1") = "9"
    & skf18("9","6","7","2","7","1","1") = "8"
    & skf18("9","6","7","2","7","2","1") = "8"
    & skf18("9","6","7","2","7","3","1") = "8"
    & skf18("9","6","7","2","7","4","1") = "8"
    & skf18("9","6","7","2","7","5","1") = "8"
    & skf18("9","6","7","2","7","6","1") = "8"
    & skf18("9","6","7","2","7","7","1") = "8"
    & skf18("9","6","7","2","7","8","1") = "8"
    & skf18("9","6","7","2","7","9","1") = "8"
    & skf18("9","6","7","2","7","10","1") = "9"
    & skf18("9","6","7","2","8","1","1") = "8"
    & skf18("9","6","7","2","8","2","1") = "8"
    & skf18("9","6","7","2","8","3","1") = "8"
    & skf18("9","6","7","2","8","4","1") = "8"
    & skf18("9","6","7","2","8","5","1") = "8"
    & skf18("9","6","7","2","8","6","1") = "8"
    & skf18("9","6","7","2","8","7","1") = "8"
    & skf18("9","6","7","2","8","8","1") = "8"
    & skf18("9","6","7","2","8","9","1") = "8"
    & skf18("9","6","7","2","8","10","1") = "9"
    & skf18("9","6","7","2","9","1","1") = "8"
    & skf18("9","6","7","2","9","2","1") = "8"
    & skf18("9","6","7","2","9","3","1") = "8"
    & skf18("9","6","7","2","9","4","1") = "8"
    & skf18("9","6","7","2","9","5","1") = "8"
    & skf18("9","6","7","2","9","6","1") = "8"
    & skf18("9","6","7","2","9","7","1") = "8"
    & skf18("9","6","7","2","9","8","1") = "8"
    & skf18("9","6","7","2","9","9","1") = "8"
    & skf18("9","6","7","2","9","10","1") = "9"
    & skf18("9","6","7","2","10","1","1") = "9"
    & skf18("9","6","7","2","10","2","1") = "9"
    & skf18("9","6","7","2","10","3","1") = "9"
    & skf18("9","6","7","2","10","4","1") = "9"
    & skf18("9","6","7","2","10","5","1") = "9"
    & skf18("9","6","7","2","10","6","1") = "9"
    & skf18("9","6","7","2","10","7","1") = "9"
    & skf18("9","6","7","2","10","8","1") = "9"
    & skf18("9","6","7","2","10","9","1") = "9"
    & skf18("9","6","7","2","10","10","1") = "9"
    & skf18("9","6","7","3","1","1","1") = "8"
    & skf18("9","6","7","3","1","2","1") = "8"
    & skf18("9","6","7","3","1","3","1") = "8"
    & skf18("9","6","7","3","1","4","1") = "8"
    & skf18("9","6","7","3","1","5","1") = "8"
    & skf18("9","6","7","3","1","6","1") = "8"
    & skf18("9","6","7","3","1","7","1") = "8"
    & skf18("9","6","7","3","1","8","1") = "8"
    & skf18("9","6","7","3","1","9","1") = "8"
    & skf18("9","6","7","3","1","10","1") = "9"
    & skf18("9","6","7","3","2","1","1") = "8"
    & skf18("9","6","7","3","2","2","1") = "8"
    & skf18("9","6","7","3","2","3","1") = "8"
    & skf18("9","6","7","3","2","4","1") = "8"
    & skf18("9","6","7","3","2","5","1") = "8"
    & skf18("9","6","7","3","2","6","1") = "8"
    & skf18("9","6","7","3","2","7","1") = "8"
    & skf18("9","6","7","3","2","8","1") = "8"
    & skf18("9","6","7","3","2","9","1") = "8"
    & skf18("9","6","7","3","2","10","1") = "9"
    & skf18("9","6","7","3","3","1","1") = "8"
    & skf18("9","6","7","3","3","2","1") = "8"
    & skf18("9","6","7","3","3","3","1") = "8"
    & skf18("9","6","7","3","3","4","1") = "8"
    & skf18("9","6","7","3","3","5","1") = "8"
    & skf18("9","6","7","3","3","6","1") = "8"
    & skf18("9","6","7","3","3","7","1") = "8"
    & skf18("9","6","7","3","3","8","1") = "8"
    & skf18("9","6","7","3","3","9","1") = "8"
    & skf18("9","6","7","3","3","10","1") = "9"
    & skf18("9","6","7","3","4","1","1") = "8"
    & skf18("9","6","7","3","4","2","1") = "8"
    & skf18("9","6","7","3","4","3","1") = "8"
    & skf18("9","6","7","3","4","4","1") = "8"
    & skf18("9","6","7","3","4","5","1") = "8"
    & skf18("9","6","7","3","4","6","1") = "8"
    & skf18("9","6","7","3","4","7","1") = "8"
    & skf18("9","6","7","3","4","8","1") = "8"
    & skf18("9","6","7","3","4","9","1") = "8"
    & skf18("9","6","7","3","4","10","1") = "9"
    & skf18("9","6","7","3","5","1","1") = "8"
    & skf18("9","6","7","3","5","2","1") = "8"
    & skf18("9","6","7","3","5","3","1") = "8"
    & skf18("9","6","7","3","5","4","1") = "8"
    & skf18("9","6","7","3","5","5","1") = "8"
    & skf18("9","6","7","3","5","6","1") = "8"
    & skf18("9","6","7","3","5","7","1") = "8"
    & skf18("9","6","7","3","5","8","1") = "8"
    & skf18("9","6","7","3","5","9","1") = "8"
    & skf18("9","6","7","3","5","10","1") = "9"
    & skf18("9","6","7","3","6","1","1") = "8"
    & skf18("9","6","7","3","6","2","1") = "8"
    & skf18("9","6","7","3","6","3","1") = "8"
    & skf18("9","6","7","3","6","4","1") = "8"
    & skf18("9","6","7","3","6","5","1") = "8"
    & skf18("9","6","7","3","6","6","1") = "8"
    & skf18("9","6","7","3","6","7","1") = "8"
    & skf18("9","6","7","3","6","8","1") = "8"
    & skf18("9","6","7","3","6","9","1") = "8"
    & skf18("9","6","7","3","6","10","1") = "9"
    & skf18("9","6","7","3","7","1","1") = "8"
    & skf18("9","6","7","3","7","2","1") = "8"
    & skf18("9","6","7","3","7","3","1") = "8"
    & skf18("9","6","7","3","7","4","1") = "8"
    & skf18("9","6","7","3","7","5","1") = "8"
    & skf18("9","6","7","3","7","6","1") = "8"
    & skf18("9","6","7","3","7","7","1") = "8"
    & skf18("9","6","7","3","7","8","1") = "8"
    & skf18("9","6","7","3","7","9","1") = "8"
    & skf18("9","6","7","3","7","10","1") = "9"
    & skf18("9","6","7","3","8","1","1") = "8"
    & skf18("9","6","7","3","8","2","1") = "8"
    & skf18("9","6","7","3","8","3","1") = "8"
    & skf18("9","6","7","3","8","4","1") = "8"
    & skf18("9","6","7","3","8","5","1") = "8"
    & skf18("9","6","7","3","8","6","1") = "8"
    & skf18("9","6","7","3","8","7","1") = "8"
    & skf18("9","6","7","3","8","8","1") = "8"
    & skf18("9","6","7","3","8","9","1") = "8"
    & skf18("9","6","7","3","8","10","1") = "9"
    & skf18("9","6","7","3","9","1","1") = "8"
    & skf18("9","6","7","3","9","2","1") = "8"
    & skf18("9","6","7","3","9","3","1") = "8"
    & skf18("9","6","7","3","9","4","1") = "8"
    & skf18("9","6","7","3","9","5","1") = "8"
    & skf18("9","6","7","3","9","6","1") = "8"
    & skf18("9","6","7","3","9","7","1") = "8"
    & skf18("9","6","7","3","9","8","1") = "8"
    & skf18("9","6","7","3","9","9","1") = "8"
    & skf18("9","6","7","3","9","10","1") = "9"
    & skf18("9","6","7","3","10","1","1") = "9"
    & skf18("9","6","7","3","10","2","1") = "9"
    & skf18("9","6","7","3","10","3","1") = "9"
    & skf18("9","6","7","3","10","4","1") = "9"
    & skf18("9","6","7","3","10","5","1") = "9"
    & skf18("9","6","7","3","10","6","1") = "9"
    & skf18("9","6","7","3","10","7","1") = "9"
    & skf18("9","6","7","3","10","8","1") = "9"
    & skf18("9","6","7","3","10","9","1") = "9"
    & skf18("9","6","7","3","10","10","1") = "9"
    & skf18("9","6","7","4","1","1","1") = "8"
    & skf18("9","6","7","4","1","2","1") = "8"
    & skf18("9","6","7","4","1","3","1") = "8"
    & skf18("9","6","7","4","1","4","1") = "8"
    & skf18("9","6","7","4","1","5","1") = "8"
    & skf18("9","6","7","4","1","6","1") = "8"
    & skf18("9","6","7","4","1","7","1") = "8"
    & skf18("9","6","7","4","1","8","1") = "8"
    & skf18("9","6","7","4","1","9","1") = "8"
    & skf18("9","6","7","4","1","10","1") = "9"
    & skf18("9","6","7","4","2","1","1") = "8"
    & skf18("9","6","7","4","2","2","1") = "8"
    & skf18("9","6","7","4","2","3","1") = "8"
    & skf18("9","6","7","4","2","4","1") = "8"
    & skf18("9","6","7","4","2","5","1") = "8"
    & skf18("9","6","7","4","2","6","1") = "8"
    & skf18("9","6","7","4","2","7","1") = "8"
    & skf18("9","6","7","4","2","8","1") = "8"
    & skf18("9","6","7","4","2","9","1") = "8"
    & skf18("9","6","7","4","2","10","1") = "9"
    & skf18("9","6","7","4","3","1","1") = "8"
    & skf18("9","6","7","4","3","2","1") = "8"
    & skf18("9","6","7","4","3","3","1") = "8"
    & skf18("9","6","7","4","3","4","1") = "8"
    & skf18("9","6","7","4","3","5","1") = "8"
    & skf18("9","6","7","4","3","6","1") = "8"
    & skf18("9","6","7","4","3","7","1") = "8"
    & skf18("9","6","7","4","3","8","1") = "8"
    & skf18("9","6","7","4","3","9","1") = "8"
    & skf18("9","6","7","4","3","10","1") = "9"
    & skf18("9","6","7","4","4","1","1") = "8"
    & skf18("9","6","7","4","4","2","1") = "8"
    & skf18("9","6","7","4","4","3","1") = "8"
    & skf18("9","6","7","4","4","4","1") = "8"
    & skf18("9","6","7","4","4","5","1") = "8"
    & skf18("9","6","7","4","4","6","1") = "8"
    & skf18("9","6","7","4","4","7","1") = "8"
    & skf18("9","6","7","4","4","8","1") = "8"
    & skf18("9","6","7","4","4","9","1") = "8"
    & skf18("9","6","7","4","4","10","1") = "9"
    & skf18("9","6","7","4","5","1","1") = "8"
    & skf18("9","6","7","4","5","2","1") = "8"
    & skf18("9","6","7","4","5","3","1") = "8"
    & skf18("9","6","7","4","5","4","1") = "8"
    & skf18("9","6","7","4","5","5","1") = "8"
    & skf18("9","6","7","4","5","6","1") = "8"
    & skf18("9","6","7","4","5","7","1") = "8"
    & skf18("9","6","7","4","5","8","1") = "8"
    & skf18("9","6","7","4","5","9","1") = "8"
    & skf18("9","6","7","4","5","10","1") = "9"
    & skf18("9","6","7","4","6","1","1") = "8"
    & skf18("9","6","7","4","6","2","1") = "8"
    & skf18("9","6","7","4","6","3","1") = "8"
    & skf18("9","6","7","4","6","4","1") = "8"
    & skf18("9","6","7","4","6","5","1") = "8"
    & skf18("9","6","7","4","6","6","1") = "8"
    & skf18("9","6","7","4","6","7","1") = "8"
    & skf18("9","6","7","4","6","8","1") = "8"
    & skf18("9","6","7","4","6","9","1") = "8"
    & skf18("9","6","7","4","6","10","1") = "9"
    & skf18("9","6","7","4","7","1","1") = "8"
    & skf18("9","6","7","4","7","2","1") = "8"
    & skf18("9","6","7","4","7","3","1") = "8"
    & skf18("9","6","7","4","7","4","1") = "8"
    & skf18("9","6","7","4","7","5","1") = "8"
    & skf18("9","6","7","4","7","6","1") = "8"
    & skf18("9","6","7","4","7","7","1") = "8"
    & skf18("9","6","7","4","7","8","1") = "8"
    & skf18("9","6","7","4","7","9","1") = "8"
    & skf18("9","6","7","4","7","10","1") = "9"
    & skf18("9","6","7","4","8","1","1") = "8"
    & skf18("9","6","7","4","8","2","1") = "8"
    & skf18("9","6","7","4","8","3","1") = "8"
    & skf18("9","6","7","4","8","4","1") = "8"
    & skf18("9","6","7","4","8","5","1") = "8"
    & skf18("9","6","7","4","8","6","1") = "8"
    & skf18("9","6","7","4","8","7","1") = "8"
    & skf18("9","6","7","4","8","8","1") = "8"
    & skf18("9","6","7","4","8","9","1") = "8"
    & skf18("9","6","7","4","8","10","1") = "9"
    & skf18("9","6","7","4","9","1","1") = "8"
    & skf18("9","6","7","4","9","2","1") = "8"
    & skf18("9","6","7","4","9","3","1") = "8"
    & skf18("9","6","7","4","9","4","1") = "8"
    & skf18("9","6","7","4","9","5","1") = "8"
    & skf18("9","6","7","4","9","6","1") = "8"
    & skf18("9","6","7","4","9","7","1") = "8"
    & skf18("9","6","7","4","9","8","1") = "8"
    & skf18("9","6","7","4","9","9","1") = "8"
    & skf18("9","6","7","4","9","10","1") = "9"
    & skf18("9","6","7","4","10","1","1") = "9"
    & skf18("9","6","7","4","10","2","1") = "9"
    & skf18("9","6","7","4","10","3","1") = "9"
    & skf18("9","6","7","4","10","4","1") = "9"
    & skf18("9","6","7","4","10","5","1") = "9"
    & skf18("9","6","7","4","10","6","1") = "9"
    & skf18("9","6","7","4","10","7","1") = "9"
    & skf18("9","6","7","4","10","8","1") = "9"
    & skf18("9","6","7","4","10","9","1") = "9"
    & skf18("9","6","7","4","10","10","1") = "9"
    & skf18("9","6","7","5","1","1","1") = "8"
    & skf18("9","6","7","5","1","2","1") = "8"
    & skf18("9","6","7","5","1","3","1") = "8"
    & skf18("9","6","7","5","1","4","1") = "8"
    & skf18("9","6","7","5","1","5","1") = "8"
    & skf18("9","6","7","5","1","6","1") = "8"
    & skf18("9","6","7","5","1","7","1") = "8"
    & skf18("9","6","7","5","1","8","1") = "8"
    & skf18("9","6","7","5","1","9","1") = "8"
    & skf18("9","6","7","5","1","10","1") = "9"
    & skf18("9","6","7","5","2","1","1") = "8"
    & skf18("9","6","7","5","2","2","1") = "8"
    & skf18("9","6","7","5","2","3","1") = "8"
    & skf18("9","6","7","5","2","4","1") = "8"
    & skf18("9","6","7","5","2","5","1") = "8"
    & skf18("9","6","7","5","2","6","1") = "8"
    & skf18("9","6","7","5","2","7","1") = "8"
    & skf18("9","6","7","5","2","8","1") = "8"
    & skf18("9","6","7","5","2","9","1") = "8"
    & skf18("9","6","7","5","2","10","1") = "9"
    & skf18("9","6","7","5","3","1","1") = "8"
    & skf18("9","6","7","5","3","2","1") = "8"
    & skf18("9","6","7","5","3","3","1") = "8"
    & skf18("9","6","7","5","3","4","1") = "8"
    & skf18("9","6","7","5","3","5","1") = "8"
    & skf18("9","6","7","5","3","6","1") = "8"
    & skf18("9","6","7","5","3","7","1") = "8"
    & skf18("9","6","7","5","3","8","1") = "8"
    & skf18("9","6","7","5","3","9","1") = "8"
    & skf18("9","6","7","5","3","10","1") = "9"
    & skf18("9","6","7","5","4","1","1") = "8"
    & skf18("9","6","7","5","4","2","1") = "8"
    & skf18("9","6","7","5","4","3","1") = "8"
    & skf18("9","6","7","5","4","4","1") = "8"
    & skf18("9","6","7","5","4","5","1") = "8"
    & skf18("9","6","7","5","4","6","1") = "8"
    & skf18("9","6","7","5","4","7","1") = "8"
    & skf18("9","6","7","5","4","8","1") = "8"
    & skf18("9","6","7","5","4","9","1") = "8"
    & skf18("9","6","7","5","4","10","1") = "9"
    & skf18("9","6","7","5","5","1","1") = "8"
    & skf18("9","6","7","5","5","2","1") = "8"
    & skf18("9","6","7","5","5","3","1") = "8"
    & skf18("9","6","7","5","5","4","1") = "8"
    & skf18("9","6","7","5","5","5","1") = "8"
    & skf18("9","6","7","5","5","6","1") = "8"
    & skf18("9","6","7","5","5","7","1") = "8"
    & skf18("9","6","7","5","5","8","1") = "8"
    & skf18("9","6","7","5","5","9","1") = "8"
    & skf18("9","6","7","5","5","10","1") = "9"
    & skf18("9","6","7","5","6","1","1") = "8"
    & skf18("9","6","7","5","6","2","1") = "8"
    & skf18("9","6","7","5","6","3","1") = "8"
    & skf18("9","6","7","5","6","4","1") = "8"
    & skf18("9","6","7","5","6","5","1") = "8"
    & skf18("9","6","7","5","6","6","1") = "8"
    & skf18("9","6","7","5","6","7","1") = "8"
    & skf18("9","6","7","5","6","8","1") = "8"
    & skf18("9","6","7","5","6","9","1") = "8"
    & skf18("9","6","7","5","6","10","1") = "9"
    & skf18("9","6","7","5","7","1","1") = "8"
    & skf18("9","6","7","5","7","2","1") = "8"
    & skf18("9","6","7","5","7","3","1") = "8"
    & skf18("9","6","7","5","7","4","1") = "8"
    & skf18("9","6","7","5","7","5","1") = "8"
    & skf18("9","6","7","5","7","6","1") = "8"
    & skf18("9","6","7","5","7","7","1") = "8"
    & skf18("9","6","7","5","7","8","1") = "8"
    & skf18("9","6","7","5","7","9","1") = "8"
    & skf18("9","6","7","5","7","10","1") = "9"
    & skf18("9","6","7","5","8","1","1") = "8"
    & skf18("9","6","7","5","8","2","1") = "8"
    & skf18("9","6","7","5","8","3","1") = "8"
    & skf18("9","6","7","5","8","4","1") = "8"
    & skf18("9","6","7","5","8","5","1") = "8"
    & skf18("9","6","7","5","8","6","1") = "8"
    & skf18("9","6","7","5","8","7","1") = "8"
    & skf18("9","6","7","5","8","8","1") = "8"
    & skf18("9","6","7","5","8","9","1") = "8"
    & skf18("9","6","7","5","8","10","1") = "9"
    & skf18("9","6","7","5","9","1","1") = "8"
    & skf18("9","6","7","5","9","2","1") = "8"
    & skf18("9","6","7","5","9","3","1") = "8"
    & skf18("9","6","7","5","9","4","1") = "8"
    & skf18("9","6","7","5","9","5","1") = "8"
    & skf18("9","6","7","5","9","6","1") = "8"
    & skf18("9","6","7","5","9","7","1") = "8"
    & skf18("9","6","7","5","9","8","1") = "8"
    & skf18("9","6","7","5","9","9","1") = "8"
    & skf18("9","6","7","5","9","10","1") = "9"
    & skf18("9","6","7","5","10","1","1") = "9"
    & skf18("9","6","7","5","10","2","1") = "9"
    & skf18("9","6","7","5","10","3","1") = "9"
    & skf18("9","6","7","5","10","4","1") = "9"
    & skf18("9","6","7","5","10","5","1") = "9"
    & skf18("9","6","7","5","10","6","1") = "9"
    & skf18("9","6","7","5","10","7","1") = "9"
    & skf18("9","6","7","5","10","8","1") = "9"
    & skf18("9","6","7","5","10","9","1") = "9"
    & skf18("9","6","7","5","10","10","1") = "9"
    & skf18("9","6","7","6","1","1","1") = "8"
    & skf18("9","6","7","6","1","2","1") = "8"
    & skf18("9","6","7","6","1","3","1") = "8"
    & skf18("9","6","7","6","1","4","1") = "8"
    & skf18("9","6","7","6","1","5","1") = "8"
    & skf18("9","6","7","6","1","6","1") = "8"
    & skf18("9","6","7","6","1","7","1") = "8"
    & skf18("9","6","7","6","1","8","1") = "8"
    & skf18("9","6","7","6","1","9","1") = "8"
    & skf18("9","6","7","6","1","10","1") = "9"
    & skf18("9","6","7","6","2","1","1") = "8"
    & skf18("9","6","7","6","2","2","1") = "8"
    & skf18("9","6","7","6","2","3","1") = "8"
    & skf18("9","6","7","6","2","4","1") = "8"
    & skf18("9","6","7","6","2","5","1") = "8"
    & skf18("9","6","7","6","2","6","1") = "8"
    & skf18("9","6","7","6","2","7","1") = "8"
    & skf18("9","6","7","6","2","8","1") = "8"
    & skf18("9","6","7","6","2","9","1") = "8"
    & skf18("9","6","7","6","2","10","1") = "9"
    & skf18("9","6","7","6","3","1","1") = "8"
    & skf18("9","6","7","6","3","2","1") = "8"
    & skf18("9","6","7","6","3","3","1") = "8"
    & skf18("9","6","7","6","3","4","1") = "8"
    & skf18("9","6","7","6","3","5","1") = "8"
    & skf18("9","6","7","6","3","6","1") = "8"
    & skf18("9","6","7","6","3","7","1") = "8"
    & skf18("9","6","7","6","3","8","1") = "8"
    & skf18("9","6","7","6","3","9","1") = "8"
    & skf18("9","6","7","6","3","10","1") = "9"
    & skf18("9","6","7","6","4","1","1") = "8"
    & skf18("9","6","7","6","4","2","1") = "8"
    & skf18("9","6","7","6","4","3","1") = "8"
    & skf18("9","6","7","6","4","4","1") = "8"
    & skf18("9","6","7","6","4","5","1") = "8"
    & skf18("9","6","7","6","4","6","1") = "8"
    & skf18("9","6","7","6","4","7","1") = "8"
    & skf18("9","6","7","6","4","8","1") = "8"
    & skf18("9","6","7","6","4","9","1") = "8"
    & skf18("9","6","7","6","4","10","1") = "9"
    & skf18("9","6","7","6","5","1","1") = "8"
    & skf18("9","6","7","6","5","2","1") = "8"
    & skf18("9","6","7","6","5","3","1") = "8"
    & skf18("9","6","7","6","5","4","1") = "8"
    & skf18("9","6","7","6","5","5","1") = "8"
    & skf18("9","6","7","6","5","6","1") = "8"
    & skf18("9","6","7","6","5","7","1") = "8"
    & skf18("9","6","7","6","5","8","1") = "8"
    & skf18("9","6","7","6","5","9","1") = "8"
    & skf18("9","6","7","6","5","10","1") = "9"
    & skf18("9","6","7","6","6","1","1") = "8"
    & skf18("9","6","7","6","6","2","1") = "8"
    & skf18("9","6","7","6","6","3","1") = "8"
    & skf18("9","6","7","6","6","4","1") = "8"
    & skf18("9","6","7","6","6","5","1") = "8"
    & skf18("9","6","7","6","6","6","1") = "8"
    & skf18("9","6","7","6","6","7","1") = "8"
    & skf18("9","6","7","6","6","8","1") = "8"
    & skf18("9","6","7","6","6","9","1") = "8"
    & skf18("9","6","7","6","6","10","1") = "9"
    & skf18("9","6","7","6","7","1","1") = "8"
    & skf18("9","6","7","6","7","2","1") = "8"
    & skf18("9","6","7","6","7","3","1") = "8"
    & skf18("9","6","7","6","7","4","1") = "8"
    & skf18("9","6","7","6","7","5","1") = "8"
    & skf18("9","6","7","6","7","6","1") = "8"
    & skf18("9","6","7","6","7","7","1") = "8"
    & skf18("9","6","7","6","7","8","1") = "8"
    & skf18("9","6","7","6","7","9","1") = "8"
    & skf18("9","6","7","6","7","10","1") = "9"
    & skf18("9","6","7","6","8","1","1") = "8"
    & skf18("9","6","7","6","8","2","1") = "8"
    & skf18("9","6","7","6","8","3","1") = "8"
    & skf18("9","6","7","6","8","4","1") = "8"
    & skf18("9","6","7","6","8","5","1") = "8"
    & skf18("9","6","7","6","8","6","1") = "8"
    & skf18("9","6","7","6","8","7","1") = "8"
    & skf18("9","6","7","6","8","8","1") = "8"
    & skf18("9","6","7","6","8","9","1") = "8"
    & skf18("9","6","7","6","8","10","1") = "9"
    & skf18("9","6","7","6","9","1","1") = "8"
    & skf18("9","6","7","6","9","2","1") = "8"
    & skf18("9","6","7","6","9","3","1") = "8"
    & skf18("9","6","7","6","9","4","1") = "8"
    & skf18("9","6","7","6","9","5","1") = "8"
    & skf18("9","6","7","6","9","6","1") = "8"
    & skf18("9","6","7","6","9","7","1") = "8"
    & skf18("9","6","7","6","9","8","1") = "8"
    & skf18("9","6","7","6","9","9","1") = "8"
    & skf18("9","6","7","6","9","10","1") = "9"
    & skf18("9","6","7","6","10","1","1") = "9"
    & skf18("9","6","7","6","10","2","1") = "9"
    & skf18("9","6","7","6","10","3","1") = "9"
    & skf18("9","6","7","6","10","4","1") = "9"
    & skf18("9","6","7","6","10","5","1") = "9"
    & skf18("9","6","7","6","10","6","1") = "9"
    & skf18("9","6","7","6","10","7","1") = "9"
    & skf18("9","6","7","6","10","8","1") = "9"
    & skf18("9","6","7","6","10","9","1") = "9"
    & skf18("9","6","7","6","10","10","1") = "9"
    & skf18("9","6","7","7","1","1","1") = "8"
    & skf18("9","6","7","7","1","2","1") = "8"
    & skf18("9","6","7","7","1","3","1") = "8"
    & skf18("9","6","7","7","1","4","1") = "8"
    & skf18("9","6","7","7","1","5","1") = "8"
    & skf18("9","6","7","7","1","6","1") = "8"
    & skf18("9","6","7","7","1","7","1") = "8"
    & skf18("9","6","7","7","1","8","1") = "8"
    & skf18("9","6","7","7","1","9","1") = "8"
    & skf18("9","6","7","7","1","10","1") = "9"
    & skf18("9","6","7","7","2","1","1") = "8"
    & skf18("9","6","7","7","2","2","1") = "8"
    & skf18("9","6","7","7","2","3","1") = "8"
    & skf18("9","6","7","7","2","4","1") = "8"
    & skf18("9","6","7","7","2","5","1") = "8"
    & skf18("9","6","7","7","2","6","1") = "8"
    & skf18("9","6","7","7","2","7","1") = "8"
    & skf18("9","6","7","7","2","8","1") = "8"
    & skf18("9","6","7","7","2","9","1") = "8"
    & skf18("9","6","7","7","2","10","1") = "9"
    & skf18("9","6","7","7","3","1","1") = "8"
    & skf18("9","6","7","7","3","2","1") = "8"
    & skf18("9","6","7","7","3","3","1") = "8"
    & skf18("9","6","7","7","3","4","1") = "8"
    & skf18("9","6","7","7","3","5","1") = "8"
    & skf18("9","6","7","7","3","6","1") = "8"
    & skf18("9","6","7","7","3","7","1") = "8"
    & skf18("9","6","7","7","3","8","1") = "8"
    & skf18("9","6","7","7","3","9","1") = "8"
    & skf18("9","6","7","7","3","10","1") = "9"
    & skf18("9","6","7","7","4","1","1") = "8"
    & skf18("9","6","7","7","4","2","1") = "8"
    & skf18("9","6","7","7","4","3","1") = "8"
    & skf18("9","6","7","7","4","4","1") = "8"
    & skf18("9","6","7","7","4","5","1") = "8"
    & skf18("9","6","7","7","4","6","1") = "8"
    & skf18("9","6","7","7","4","7","1") = "8"
    & skf18("9","6","7","7","4","8","1") = "8"
    & skf18("9","6","7","7","4","9","1") = "8"
    & skf18("9","6","7","7","4","10","1") = "9"
    & skf18("9","6","7","7","5","1","1") = "8"
    & skf18("9","6","7","7","5","2","1") = "8"
    & skf18("9","6","7","7","5","3","1") = "8"
    & skf18("9","6","7","7","5","4","1") = "8"
    & skf18("9","6","7","7","5","5","1") = "8"
    & skf18("9","6","7","7","5","6","1") = "8"
    & skf18("9","6","7","7","5","7","1") = "8"
    & skf18("9","6","7","7","5","8","1") = "8"
    & skf18("9","6","7","7","5","9","1") = "8"
    & skf18("9","6","7","7","5","10","1") = "9"
    & skf18("9","6","7","7","6","1","1") = "8"
    & skf18("9","6","7","7","6","2","1") = "8"
    & skf18("9","6","7","7","6","3","1") = "8"
    & skf18("9","6","7","7","6","4","1") = "8"
    & skf18("9","6","7","7","6","5","1") = "8"
    & skf18("9","6","7","7","6","6","1") = "8"
    & skf18("9","6","7","7","6","7","1") = "8"
    & skf18("9","6","7","7","6","8","1") = "8"
    & skf18("9","6","7","7","6","9","1") = "8"
    & skf18("9","6","7","7","6","10","1") = "9"
    & skf18("9","6","7","7","7","1","1") = "8"
    & skf18("9","6","7","7","7","2","1") = "8"
    & skf18("9","6","7","7","7","3","1") = "8"
    & skf18("9","6","7","7","7","4","1") = "8"
    & skf18("9","6","7","7","7","5","1") = "8"
    & skf18("9","6","7","7","7","6","1") = "8"
    & skf18("9","6","7","7","7","7","1") = "8"
    & skf18("9","6","7","7","7","8","1") = "8"
    & skf18("9","6","7","7","7","9","1") = "8"
    & skf18("9","6","7","7","7","10","1") = "9"
    & skf18("9","6","7","7","8","1","1") = "8"
    & skf18("9","6","7","7","8","2","1") = "8"
    & skf18("9","6","7","7","8","3","1") = "8"
    & skf18("9","6","7","7","8","4","1") = "8"
    & skf18("9","6","7","7","8","5","1") = "8"
    & skf18("9","6","7","7","8","6","1") = "8"
    & skf18("9","6","7","7","8","7","1") = "8"
    & skf18("9","6","7","7","8","8","1") = "8"
    & skf18("9","6","7","7","8","9","1") = "8"
    & skf18("9","6","7","7","8","10","1") = "9"
    & skf18("9","6","7","7","9","1","1") = "8"
    & skf18("9","6","7","7","9","2","1") = "8"
    & skf18("9","6","7","7","9","3","1") = "8"
    & skf18("9","6","7","7","9","4","1") = "8"
    & skf18("9","6","7","7","9","5","1") = "8"
    & skf18("9","6","7","7","9","6","1") = "8"
    & skf18("9","6","7","7","9","7","1") = "8"
    & skf18("9","6","7","7","9","8","1") = "8"
    & skf18("9","6","7","7","9","9","1") = "8"
    & skf18("9","6","7","7","9","10","1") = "9"
    & skf18("9","6","7","7","10","1","1") = "9"
    & skf18("9","6","7","7","10","2","1") = "9"
    & skf18("9","6","7","7","10","3","1") = "9"
    & skf18("9","6","7","7","10","4","1") = "9"
    & skf18("9","6","7","7","10","5","1") = "9"
    & skf18("9","6","7","7","10","6","1") = "9"
    & skf18("9","6","7","7","10","7","1") = "9"
    & skf18("9","6","7","7","10","8","1") = "9"
    & skf18("9","6","7","7","10","9","1") = "9"
    & skf18("9","6","7","7","10","10","1") = "9"
    & skf18("9","6","7","8","1","1","1") = "8"
    & skf18("9","6","7","8","1","2","1") = "8"
    & skf18("9","6","7","8","1","3","1") = "8"
    & skf18("9","6","7","8","1","4","1") = "8"
    & skf18("9","6","7","8","1","5","1") = "8"
    & skf18("9","6","7","8","1","6","1") = "8"
    & skf18("9","6","7","8","1","7","1") = "8"
    & skf18("9","6","7","8","1","8","1") = "8"
    & skf18("9","6","7","8","1","9","1") = "8"
    & skf18("9","6","7","8","1","10","1") = "9"
    & skf18("9","6","7","8","2","1","1") = "8"
    & skf18("9","6","7","8","2","2","1") = "8"
    & skf18("9","6","7","8","2","3","1") = "8"
    & skf18("9","6","7","8","2","4","1") = "8"
    & skf18("9","6","7","8","2","5","1") = "8"
    & skf18("9","6","7","8","2","6","1") = "8"
    & skf18("9","6","7","8","2","7","1") = "8"
    & skf18("9","6","7","8","2","8","1") = "8"
    & skf18("9","6","7","8","2","9","1") = "8"
    & skf18("9","6","7","8","2","10","1") = "9"
    & skf18("9","6","7","8","3","1","1") = "8"
    & skf18("9","6","7","8","3","2","1") = "8"
    & skf18("9","6","7","8","3","3","1") = "8"
    & skf18("9","6","7","8","3","4","1") = "8"
    & skf18("9","6","7","8","3","5","1") = "8"
    & skf18("9","6","7","8","3","6","1") = "8"
    & skf18("9","6","7","8","3","7","1") = "8"
    & skf18("9","6","7","8","3","8","1") = "8"
    & skf18("9","6","7","8","3","9","1") = "8"
    & skf18("9","6","7","8","3","10","1") = "9"
    & skf18("9","6","7","8","4","1","1") = "8"
    & skf18("9","6","7","8","4","2","1") = "8"
    & skf18("9","6","7","8","4","3","1") = "8"
    & skf18("9","6","7","8","4","4","1") = "8"
    & skf18("9","6","7","8","4","5","1") = "8"
    & skf18("9","6","7","8","4","6","1") = "8"
    & skf18("9","6","7","8","4","7","1") = "8"
    & skf18("9","6","7","8","4","8","1") = "8"
    & skf18("9","6","7","8","4","9","1") = "8"
    & skf18("9","6","7","8","4","10","1") = "9"
    & skf18("9","6","7","8","5","1","1") = "8"
    & skf18("9","6","7","8","5","2","1") = "8"
    & skf18("9","6","7","8","5","3","1") = "8"
    & skf18("9","6","7","8","5","4","1") = "8"
    & skf18("9","6","7","8","5","5","1") = "8"
    & skf18("9","6","7","8","5","6","1") = "8"
    & skf18("9","6","7","8","5","7","1") = "8"
    & skf18("9","6","7","8","5","8","1") = "8"
    & skf18("9","6","7","8","5","9","1") = "8"
    & skf18("9","6","7","8","5","10","1") = "9"
    & skf18("9","6","7","8","6","1","1") = "8"
    & skf18("9","6","7","8","6","2","1") = "8"
    & skf18("9","6","7","8","6","3","1") = "8"
    & skf18("9","6","7","8","6","4","1") = "8"
    & skf18("9","6","7","8","6","5","1") = "8"
    & skf18("9","6","7","8","6","6","1") = "8"
    & skf18("9","6","7","8","6","7","1") = "8"
    & skf18("9","6","7","8","6","8","1") = "8"
    & skf18("9","6","7","8","6","9","1") = "8"
    & skf18("9","6","7","8","6","10","1") = "9"
    & skf18("9","6","7","8","7","1","1") = "8"
    & skf18("9","6","7","8","7","2","1") = "8"
    & skf18("9","6","7","8","7","3","1") = "8"
    & skf18("9","6","7","8","7","4","1") = "8"
    & skf18("9","6","7","8","7","5","1") = "8"
    & skf18("9","6","7","8","7","6","1") = "8"
    & skf18("9","6","7","8","7","7","1") = "8"
    & skf18("9","6","7","8","7","8","1") = "8"
    & skf18("9","6","7","8","7","9","1") = "8"
    & skf18("9","6","7","8","7","10","1") = "9"
    & skf18("9","6","7","8","8","1","1") = "8"
    & skf18("9","6","7","8","8","2","1") = "8"
    & skf18("9","6","7","8","8","3","1") = "8"
    & skf18("9","6","7","8","8","4","1") = "8"
    & skf18("9","6","7","8","8","5","1") = "8"
    & skf18("9","6","7","8","8","6","1") = "8"
    & skf18("9","6","7","8","8","7","1") = "8"
    & skf18("9","6","7","8","8","8","1") = "8"
    & skf18("9","6","7","8","8","9","1") = "8"
    & skf18("9","6","7","8","8","10","1") = "9"
    & skf18("9","6","7","8","9","1","1") = "8"
    & skf18("9","6","7","8","9","2","1") = "8"
    & skf18("9","6","7","8","9","3","1") = "8"
    & skf18("9","6","7","8","9","4","1") = "8"
    & skf18("9","6","7","8","9","5","1") = "8"
    & skf18("9","6","7","8","9","6","1") = "8"
    & skf18("9","6","7","8","9","7","1") = "8"
    & skf18("9","6","7","8","9","8","1") = "8"
    & skf18("9","6","7","8","9","9","1") = "8"
    & skf18("9","6","7","8","9","10","1") = "9"
    & skf18("9","6","7","8","10","1","1") = "9"
    & skf18("9","6","7","8","10","2","1") = "9"
    & skf18("9","6","7","8","10","3","1") = "9"
    & skf18("9","6","7","8","10","4","1") = "9"
    & skf18("9","6","7","8","10","5","1") = "9"
    & skf18("9","6","7","8","10","6","1") = "9"
    & skf18("9","6","7","8","10","7","1") = "9"
    & skf18("9","6","7","8","10","8","1") = "9"
    & skf18("9","6","7","8","10","9","1") = "9"
    & skf18("9","6","7","8","10","10","1") = "9"
    & skf18("9","6","7","9","1","1","1") = "8"
    & skf18("9","6","7","9","1","2","1") = "8"
    & skf18("9","6","7","9","1","3","1") = "8"
    & skf18("9","6","7","9","1","4","1") = "8"
    & skf18("9","6","7","9","1","5","1") = "8"
    & skf18("9","6","7","9","1","6","1") = "8"
    & skf18("9","6","7","9","1","7","1") = "8"
    & skf18("9","6","7","9","1","8","1") = "8"
    & skf18("9","6","7","9","1","9","1") = "8"
    & skf18("9","6","7","9","1","10","1") = "9"
    & skf18("9","6","7","9","2","1","1") = "8"
    & skf18("9","6","7","9","2","2","1") = "8"
    & skf18("9","6","7","9","2","3","1") = "8"
    & skf18("9","6","7","9","2","4","1") = "8"
    & skf18("9","6","7","9","2","5","1") = "8"
    & skf18("9","6","7","9","2","6","1") = "8"
    & skf18("9","6","7","9","2","7","1") = "8"
    & skf18("9","6","7","9","2","8","1") = "8"
    & skf18("9","6","7","9","2","9","1") = "8"
    & skf18("9","6","7","9","2","10","1") = "9"
    & skf18("9","6","7","9","3","1","1") = "8"
    & skf18("9","6","7","9","3","2","1") = "8"
    & skf18("9","6","7","9","3","3","1") = "8"
    & skf18("9","6","7","9","3","4","1") = "8"
    & skf18("9","6","7","9","3","5","1") = "8"
    & skf18("9","6","7","9","3","6","1") = "8"
    & skf18("9","6","7","9","3","7","1") = "8"
    & skf18("9","6","7","9","3","8","1") = "8"
    & skf18("9","6","7","9","3","9","1") = "8"
    & skf18("9","6","7","9","3","10","1") = "9"
    & skf18("9","6","7","9","4","1","1") = "8"
    & skf18("9","6","7","9","4","2","1") = "8"
    & skf18("9","6","7","9","4","3","1") = "8"
    & skf18("9","6","7","9","4","4","1") = "8"
    & skf18("9","6","7","9","4","5","1") = "8"
    & skf18("9","6","7","9","4","6","1") = "8"
    & skf18("9","6","7","9","4","7","1") = "8"
    & skf18("9","6","7","9","4","8","1") = "8"
    & skf18("9","6","7","9","4","9","1") = "8"
    & skf18("9","6","7","9","4","10","1") = "9"
    & skf18("9","6","7","9","5","1","1") = "8"
    & skf18("9","6","7","9","5","2","1") = "8"
    & skf18("9","6","7","9","5","3","1") = "8"
    & skf18("9","6","7","9","5","4","1") = "8"
    & skf18("9","6","7","9","5","5","1") = "8"
    & skf18("9","6","7","9","5","6","1") = "8"
    & skf18("9","6","7","9","5","7","1") = "8"
    & skf18("9","6","7","9","5","8","1") = "8"
    & skf18("9","6","7","9","5","9","1") = "8"
    & skf18("9","6","7","9","5","10","1") = "9"
    & skf18("9","6","7","9","6","1","1") = "8"
    & skf18("9","6","7","9","6","2","1") = "8"
    & skf18("9","6","7","9","6","3","1") = "8"
    & skf18("9","6","7","9","6","4","1") = "8"
    & skf18("9","6","7","9","6","5","1") = "8"
    & skf18("9","6","7","9","6","6","1") = "8"
    & skf18("9","6","7","9","6","7","1") = "8"
    & skf18("9","6","7","9","6","8","1") = "8"
    & skf18("9","6","7","9","6","9","1") = "8"
    & skf18("9","6","7","9","6","10","1") = "9"
    & skf18("9","6","7","9","7","1","1") = "8"
    & skf18("9","6","7","9","7","2","1") = "8"
    & skf18("9","6","7","9","7","3","1") = "8"
    & skf18("9","6","7","9","7","4","1") = "8"
    & skf18("9","6","7","9","7","5","1") = "8"
    & skf18("9","6","7","9","7","6","1") = "8"
    & skf18("9","6","7","9","7","7","1") = "8"
    & skf18("9","6","7","9","7","8","1") = "8"
    & skf18("9","6","7","9","7","9","1") = "8"
    & skf18("9","6","7","9","7","10","1") = "9"
    & skf18("9","6","7","9","8","1","1") = "8"
    & skf18("9","6","7","9","8","2","1") = "8"
    & skf18("9","6","7","9","8","3","1") = "8"
    & skf18("9","6","7","9","8","4","1") = "8"
    & skf18("9","6","7","9","8","5","1") = "8"
    & skf18("9","6","7","9","8","6","1") = "8"
    & skf18("9","6","7","9","8","7","1") = "8"
    & skf18("9","6","7","9","8","8","1") = "8"
    & skf18("9","6","7","9","8","9","1") = "8"
    & skf18("9","6","7","9","8","10","1") = "9"
    & skf18("9","6","7","9","9","1","1") = "8"
    & skf18("9","6","7","9","9","2","1") = "8"
    & skf18("9","6","7","9","9","3","1") = "8"
    & skf18("9","6","7","9","9","4","1") = "8"
    & skf18("9","6","7","9","9","5","1") = "8"
    & skf18("9","6","7","9","9","6","1") = "8"
    & skf18("9","6","7","9","9","7","1") = "8"
    & skf18("9","6","7","9","9","8","1") = "8"
    & skf18("9","6","7","9","9","9","1") = "8"
    & skf18("9","6","7","9","9","10","1") = "9"
    & skf18("9","6","7","9","10","1","1") = "9"
    & skf18("9","6","7","9","10","2","1") = "9"
    & skf18("9","6","7","9","10","3","1") = "9"
    & skf18("9","6","7","9","10","4","1") = "9"
    & skf18("9","6","7","9","10","5","1") = "9"
    & skf18("9","6","7","9","10","6","1") = "9"
    & skf18("9","6","7","9","10","7","1") = "9"
    & skf18("9","6","7","9","10","8","1") = "9"
    & skf18("9","6","7","9","10","9","1") = "9"
    & skf18("9","6","7","9","10","10","1") = "9"
    & skf18("9","6","7","10","1","1","1") = "9"
    & skf18("9","6","7","10","1","2","1") = "9"
    & skf18("9","6","7","10","1","3","1") = "9"
    & skf18("9","6","7","10","1","4","1") = "9"
    & skf18("9","6","7","10","1","5","1") = "9"
    & skf18("9","6","7","10","1","6","1") = "9"
    & skf18("9","6","7","10","1","7","1") = "9"
    & skf18("9","6","7","10","1","8","1") = "9"
    & skf18("9","6","7","10","1","9","1") = "9"
    & skf18("9","6","7","10","1","10","1") = "9"
    & skf18("9","6","7","10","2","1","1") = "9"
    & skf18("9","6","7","10","2","2","1") = "9"
    & skf18("9","6","7","10","2","3","1") = "9"
    & skf18("9","6","7","10","2","4","1") = "9"
    & skf18("9","6","7","10","2","5","1") = "9"
    & skf18("9","6","7","10","2","6","1") = "9"
    & skf18("9","6","7","10","2","7","1") = "9"
    & skf18("9","6","7","10","2","8","1") = "9"
    & skf18("9","6","7","10","2","9","1") = "9"
    & skf18("9","6","7","10","2","10","1") = "9"
    & skf18("9","6","7","10","3","1","1") = "9"
    & skf18("9","6","7","10","3","2","1") = "9"
    & skf18("9","6","7","10","3","3","1") = "9"
    & skf18("9","6","7","10","3","4","1") = "9"
    & skf18("9","6","7","10","3","5","1") = "9"
    & skf18("9","6","7","10","3","6","1") = "9"
    & skf18("9","6","7","10","3","7","1") = "9"
    & skf18("9","6","7","10","3","8","1") = "9"
    & skf18("9","6","7","10","3","9","1") = "9"
    & skf18("9","6","7","10","3","10","1") = "9"
    & skf18("9","6","7","10","4","1","1") = "9"
    & skf18("9","6","7","10","4","2","1") = "9"
    & skf18("9","6","7","10","4","3","1") = "9"
    & skf18("9","6","7","10","4","4","1") = "9"
    & skf18("9","6","7","10","4","5","1") = "9"
    & skf18("9","6","7","10","4","6","1") = "9"
    & skf18("9","6","7","10","4","7","1") = "9"
    & skf18("9","6","7","10","4","8","1") = "9"
    & skf18("9","6","7","10","4","9","1") = "9"
    & skf18("9","6","7","10","4","10","1") = "9"
    & skf18("9","6","7","10","5","1","1") = "9"
    & skf18("9","6","7","10","5","2","1") = "9"
    & skf18("9","6","7","10","5","3","1") = "9"
    & skf18("9","6","7","10","5","4","1") = "9"
    & skf18("9","6","7","10","5","5","1") = "9"
    & skf18("9","6","7","10","5","6","1") = "9"
    & skf18("9","6","7","10","5","7","1") = "9"
    & skf18("9","6","7","10","5","8","1") = "9"
    & skf18("9","6","7","10","5","9","1") = "9"
    & skf18("9","6","7","10","5","10","1") = "9"
    & skf18("9","6","7","10","6","1","1") = "9"
    & skf18("9","6","7","10","6","2","1") = "9"
    & skf18("9","6","7","10","6","3","1") = "9"
    & skf18("9","6","7","10","6","4","1") = "9"
    & skf18("9","6","7","10","6","5","1") = "9"
    & skf18("9","6","7","10","6","6","1") = "9"
    & skf18("9","6","7","10","6","7","1") = "9"
    & skf18("9","6","7","10","6","8","1") = "9"
    & skf18("9","6","7","10","6","9","1") = "9"
    & skf18("9","6","7","10","6","10","1") = "9"
    & skf18("9","6","7","10","7","1","1") = "9"
    & skf18("9","6","7","10","7","2","1") = "9"
    & skf18("9","6","7","10","7","3","1") = "9"
    & skf18("9","6","7","10","7","4","1") = "9"
    & skf18("9","6","7","10","7","5","1") = "9"
    & skf18("9","6","7","10","7","6","1") = "9"
    & skf18("9","6","7","10","7","7","1") = "9"
    & skf18("9","6","7","10","7","8","1") = "9"
    & skf18("9","6","7","10","7","9","1") = "9"
    & skf18("9","6","7","10","7","10","1") = "9"
    & skf18("9","6","7","10","8","1","1") = "9"
    & skf18("9","6","7","10","8","2","1") = "9"
    & skf18("9","6","7","10","8","3","1") = "9"
    & skf18("9","6","7","10","8","4","1") = "9"
    & skf18("9","6","7","10","8","5","1") = "9"
    & skf18("9","6","7","10","8","6","1") = "9"
    & skf18("9","6","7","10","8","7","1") = "9"
    & skf18("9","6","7","10","8","8","1") = "9"
    & skf18("9","6","7","10","8","9","1") = "9"
    & skf18("9","6","7","10","8","10","1") = "9"
    & skf18("9","6","7","10","9","1","1") = "9"
    & skf18("9","6","7","10","9","2","1") = "9"
    & skf18("9","6","7","10","9","3","1") = "9"
    & skf18("9","6","7","10","9","4","1") = "9"
    & skf18("9","6","7","10","9","5","1") = "9"
    & skf18("9","6","7","10","9","6","1") = "9"
    & skf18("9","6","7","10","9","7","1") = "9"
    & skf18("9","6","7","10","9","8","1") = "9"
    & skf18("9","6","7","10","9","9","1") = "9"
    & skf18("9","6","7","10","9","10","1") = "9"
    & skf18("9","6","7","10","10","1","1") = "9"
    & skf18("9","6","7","10","10","2","1") = "9"
    & skf18("9","6","7","10","10","3","1") = "9"
    & skf18("9","6","7","10","10","4","1") = "9"
    & skf18("9","6","7","10","10","5","1") = "9"
    & skf18("9","6","7","10","10","6","1") = "9"
    & skf18("9","6","7","10","10","7","1") = "9"
    & skf18("9","6","7","10","10","8","1") = "9"
    & skf18("9","6","7","10","10","9","1") = "9"
    & skf18("9","6","7","10","10","10","1") = "9"
    & skf18("9","6","8","1","1","1","1") = "8"
    & skf18("9","6","8","1","1","2","1") = "8"
    & skf18("9","6","8","1","1","3","1") = "8"
    & skf18("9","6","8","1","1","4","1") = "8"
    & skf18("9","6","8","1","1","5","1") = "8"
    & skf18("9","6","8","1","1","6","1") = "8"
    & skf18("9","6","8","1","1","7","1") = "8"
    & skf18("9","6","8","1","1","8","1") = "8"
    & skf18("9","6","8","1","1","9","1") = "8"
    & skf18("9","6","8","1","1","10","1") = "9"
    & skf18("9","6","8","1","2","1","1") = "8"
    & skf18("9","6","8","1","2","2","1") = "8"
    & skf18("9","6","8","1","2","3","1") = "8"
    & skf18("9","6","8","1","2","4","1") = "8"
    & skf18("9","6","8","1","2","5","1") = "8"
    & skf18("9","6","8","1","2","6","1") = "8"
    & skf18("9","6","8","1","2","7","1") = "8"
    & skf18("9","6","8","1","2","8","1") = "8"
    & skf18("9","6","8","1","2","9","1") = "8"
    & skf18("9","6","8","1","2","10","1") = "9"
    & skf18("9","6","8","1","3","1","1") = "8"
    & skf18("9","6","8","1","3","2","1") = "8"
    & skf18("9","6","8","1","3","3","1") = "8"
    & skf18("9","6","8","1","3","4","1") = "8"
    & skf18("9","6","8","1","3","5","1") = "8"
    & skf18("9","6","8","1","3","6","1") = "8"
    & skf18("9","6","8","1","3","7","1") = "8"
    & skf18("9","6","8","1","3","8","1") = "8"
    & skf18("9","6","8","1","3","9","1") = "8"
    & skf18("9","6","8","1","3","10","1") = "9"
    & skf18("9","6","8","1","4","1","1") = "8"
    & skf18("9","6","8","1","4","2","1") = "8"
    & skf18("9","6","8","1","4","3","1") = "8"
    & skf18("9","6","8","1","4","4","1") = "8"
    & skf18("9","6","8","1","4","5","1") = "8"
    & skf18("9","6","8","1","4","6","1") = "8"
    & skf18("9","6","8","1","4","7","1") = "8"
    & skf18("9","6","8","1","4","8","1") = "8"
    & skf18("9","6","8","1","4","9","1") = "8"
    & skf18("9","6","8","1","4","10","1") = "9"
    & skf18("9","6","8","1","5","1","1") = "8"
    & skf18("9","6","8","1","5","2","1") = "8"
    & skf18("9","6","8","1","5","3","1") = "8"
    & skf18("9","6","8","1","5","4","1") = "8"
    & skf18("9","6","8","1","5","5","1") = "8"
    & skf18("9","6","8","1","5","6","1") = "8"
    & skf18("9","6","8","1","5","7","1") = "8"
    & skf18("9","6","8","1","5","8","1") = "8"
    & skf18("9","6","8","1","5","9","1") = "8"
    & skf18("9","6","8","1","5","10","1") = "9"
    & skf18("9","6","8","1","6","1","1") = "8"
    & skf18("9","6","8","1","6","2","1") = "8"
    & skf18("9","6","8","1","6","3","1") = "8"
    & skf18("9","6","8","1","6","4","1") = "8"
    & skf18("9","6","8","1","6","5","1") = "8"
    & skf18("9","6","8","1","6","6","1") = "8"
    & skf18("9","6","8","1","6","7","1") = "8"
    & skf18("9","6","8","1","6","8","1") = "8"
    & skf18("9","6","8","1","6","9","1") = "8"
    & skf18("9","6","8","1","6","10","1") = "9"
    & skf18("9","6","8","1","7","1","1") = "8"
    & skf18("9","6","8","1","7","2","1") = "8"
    & skf18("9","6","8","1","7","3","1") = "8"
    & skf18("9","6","8","1","7","4","1") = "8"
    & skf18("9","6","8","1","7","5","1") = "8"
    & skf18("9","6","8","1","7","6","1") = "8"
    & skf18("9","6","8","1","7","7","1") = "8"
    & skf18("9","6","8","1","7","8","1") = "8"
    & skf18("9","6","8","1","7","9","1") = "8"
    & skf18("9","6","8","1","7","10","1") = "9"
    & skf18("9","6","8","1","8","1","1") = "8"
    & skf18("9","6","8","1","8","2","1") = "8"
    & skf18("9","6","8","1","8","3","1") = "8"
    & skf18("9","6","8","1","8","4","1") = "8"
    & skf18("9","6","8","1","8","5","1") = "8"
    & skf18("9","6","8","1","8","6","1") = "8"
    & skf18("9","6","8","1","8","7","1") = "8"
    & skf18("9","6","8","1","8","8","1") = "8"
    & skf18("9","6","8","1","8","9","1") = "8"
    & skf18("9","6","8","1","8","10","1") = "9"
    & skf18("9","6","8","1","9","1","1") = "8"
    & skf18("9","6","8","1","9","2","1") = "8"
    & skf18("9","6","8","1","9","3","1") = "8"
    & skf18("9","6","8","1","9","4","1") = "8"
    & skf18("9","6","8","1","9","5","1") = "8"
    & skf18("9","6","8","1","9","6","1") = "8"
    & skf18("9","6","8","1","9","7","1") = "8"
    & skf18("9","6","8","1","9","8","1") = "8"
    & skf18("9","6","8","1","9","9","1") = "8"
    & skf18("9","6","8","1","9","10","1") = "9"
    & skf18("9","6","8","1","10","1","1") = "9"
    & skf18("9","6","8","1","10","2","1") = "9"
    & skf18("9","6","8","1","10","3","1") = "9"
    & skf18("9","6","8","1","10","4","1") = "9"
    & skf18("9","6","8","1","10","5","1") = "9"
    & skf18("9","6","8","1","10","6","1") = "9"
    & skf18("9","6","8","1","10","7","1") = "9"
    & skf18("9","6","8","1","10","8","1") = "9"
    & skf18("9","6","8","1","10","9","1") = "9"
    & skf18("9","6","8","1","10","10","1") = "9"
    & skf18("9","6","8","2","1","1","1") = "8"
    & skf18("9","6","8","2","1","2","1") = "8"
    & skf18("9","6","8","2","1","3","1") = "8"
    & skf18("9","6","8","2","1","4","1") = "8"
    & skf18("9","6","8","2","1","5","1") = "8"
    & skf18("9","6","8","2","1","6","1") = "8"
    & skf18("9","6","8","2","1","7","1") = "8"
    & skf18("9","6","8","2","1","8","1") = "8"
    & skf18("9","6","8","2","1","9","1") = "8"
    & skf18("9","6","8","2","1","10","1") = "9"
    & skf18("9","6","8","2","2","1","1") = "8"
    & skf18("9","6","8","2","2","2","1") = "8"
    & skf18("9","6","8","2","2","3","1") = "8"
    & skf18("9","6","8","2","2","4","1") = "8"
    & skf18("9","6","8","2","2","5","1") = "8"
    & skf18("9","6","8","2","2","6","1") = "8"
    & skf18("9","6","8","2","2","7","1") = "8"
    & skf18("9","6","8","2","2","8","1") = "8"
    & skf18("9","6","8","2","2","9","1") = "8"
    & skf18("9","6","8","2","2","10","1") = "9"
    & skf18("9","6","8","2","3","1","1") = "8"
    & skf18("9","6","8","2","3","2","1") = "8"
    & skf18("9","6","8","2","3","3","1") = "8"
    & skf18("9","6","8","2","3","4","1") = "8"
    & skf18("9","6","8","2","3","5","1") = "8"
    & skf18("9","6","8","2","3","6","1") = "8"
    & skf18("9","6","8","2","3","7","1") = "8"
    & skf18("9","6","8","2","3","8","1") = "8"
    & skf18("9","6","8","2","3","9","1") = "8"
    & skf18("9","6","8","2","3","10","1") = "9"
    & skf18("9","6","8","2","4","1","1") = "8"
    & skf18("9","6","8","2","4","2","1") = "8"
    & skf18("9","6","8","2","4","3","1") = "8"
    & skf18("9","6","8","2","4","4","1") = "8"
    & skf18("9","6","8","2","4","5","1") = "8"
    & skf18("9","6","8","2","4","6","1") = "8"
    & skf18("9","6","8","2","4","7","1") = "8"
    & skf18("9","6","8","2","4","8","1") = "8"
    & skf18("9","6","8","2","4","9","1") = "8"
    & skf18("9","6","8","2","4","10","1") = "9"
    & skf18("9","6","8","2","5","1","1") = "8"
    & skf18("9","6","8","2","5","2","1") = "8"
    & skf18("9","6","8","2","5","3","1") = "8"
    & skf18("9","6","8","2","5","4","1") = "8"
    & skf18("9","6","8","2","5","5","1") = "8"
    & skf18("9","6","8","2","5","6","1") = "8"
    & skf18("9","6","8","2","5","7","1") = "8"
    & skf18("9","6","8","2","5","8","1") = "8"
    & skf18("9","6","8","2","5","9","1") = "8"
    & skf18("9","6","8","2","5","10","1") = "9"
    & skf18("9","6","8","2","6","1","1") = "8"
    & skf18("9","6","8","2","6","2","1") = "8"
    & skf18("9","6","8","2","6","3","1") = "8"
    & skf18("9","6","8","2","6","4","1") = "8"
    & skf18("9","6","8","2","6","5","1") = "8"
    & skf18("9","6","8","2","6","6","1") = "8"
    & skf18("9","6","8","2","6","7","1") = "8"
    & skf18("9","6","8","2","6","8","1") = "8"
    & skf18("9","6","8","2","6","9","1") = "8"
    & skf18("9","6","8","2","6","10","1") = "9"
    & skf18("9","6","8","2","7","1","1") = "8"
    & skf18("9","6","8","2","7","2","1") = "8"
    & skf18("9","6","8","2","7","3","1") = "8"
    & skf18("9","6","8","2","7","4","1") = "8"
    & skf18("9","6","8","2","7","5","1") = "8"
    & skf18("9","6","8","2","7","6","1") = "8"
    & skf18("9","6","8","2","7","7","1") = "8"
    & skf18("9","6","8","2","7","8","1") = "8"
    & skf18("9","6","8","2","7","9","1") = "8"
    & skf18("9","6","8","2","7","10","1") = "9"
    & skf18("9","6","8","2","8","1","1") = "8"
    & skf18("9","6","8","2","8","2","1") = "8"
    & skf18("9","6","8","2","8","3","1") = "8"
    & skf18("9","6","8","2","8","4","1") = "8"
    & skf18("9","6","8","2","8","5","1") = "8"
    & skf18("9","6","8","2","8","6","1") = "8"
    & skf18("9","6","8","2","8","7","1") = "8"
    & skf18("9","6","8","2","8","8","1") = "8"
    & skf18("9","6","8","2","8","9","1") = "8"
    & skf18("9","6","8","2","8","10","1") = "9"
    & skf18("9","6","8","2","9","1","1") = "8"
    & skf18("9","6","8","2","9","2","1") = "8"
    & skf18("9","6","8","2","9","3","1") = "8"
    & skf18("9","6","8","2","9","4","1") = "8"
    & skf18("9","6","8","2","9","5","1") = "8"
    & skf18("9","6","8","2","9","6","1") = "8"
    & skf18("9","6","8","2","9","7","1") = "8"
    & skf18("9","6","8","2","9","8","1") = "8"
    & skf18("9","6","8","2","9","9","1") = "8"
    & skf18("9","6","8","2","9","10","1") = "9"
    & skf18("9","6","8","2","10","1","1") = "9"
    & skf18("9","6","8","2","10","2","1") = "9"
    & skf18("9","6","8","2","10","3","1") = "9"
    & skf18("9","6","8","2","10","4","1") = "9"
    & skf18("9","6","8","2","10","5","1") = "9"
    & skf18("9","6","8","2","10","6","1") = "9"
    & skf18("9","6","8","2","10","7","1") = "9"
    & skf18("9","6","8","2","10","8","1") = "9"
    & skf18("9","6","8","2","10","9","1") = "9"
    & skf18("9","6","8","2","10","10","1") = "9"
    & skf18("9","6","8","3","1","1","1") = "8"
    & skf18("9","6","8","3","1","2","1") = "8"
    & skf18("9","6","8","3","1","3","1") = "8"
    & skf18("9","6","8","3","1","4","1") = "8"
    & skf18("9","6","8","3","1","5","1") = "8"
    & skf18("9","6","8","3","1","6","1") = "8"
    & skf18("9","6","8","3","1","7","1") = "8"
    & skf18("9","6","8","3","1","8","1") = "8"
    & skf18("9","6","8","3","1","9","1") = "8"
    & skf18("9","6","8","3","1","10","1") = "9"
    & skf18("9","6","8","3","2","1","1") = "8"
    & skf18("9","6","8","3","2","2","1") = "8"
    & skf18("9","6","8","3","2","3","1") = "8"
    & skf18("9","6","8","3","2","4","1") = "8"
    & skf18("9","6","8","3","2","5","1") = "8"
    & skf18("9","6","8","3","2","6","1") = "8"
    & skf18("9","6","8","3","2","7","1") = "8"
    & skf18("9","6","8","3","2","8","1") = "8"
    & skf18("9","6","8","3","2","9","1") = "8"
    & skf18("9","6","8","3","2","10","1") = "9"
    & skf18("9","6","8","3","3","1","1") = "8"
    & skf18("9","6","8","3","3","2","1") = "8"
    & skf18("9","6","8","3","3","3","1") = "8"
    & skf18("9","6","8","3","3","4","1") = "8"
    & skf18("9","6","8","3","3","5","1") = "8"
    & skf18("9","6","8","3","3","6","1") = "8"
    & skf18("9","6","8","3","3","7","1") = "8"
    & skf18("9","6","8","3","3","8","1") = "8"
    & skf18("9","6","8","3","3","9","1") = "8"
    & skf18("9","6","8","3","3","10","1") = "9"
    & skf18("9","6","8","3","4","1","1") = "8"
    & skf18("9","6","8","3","4","2","1") = "8"
    & skf18("9","6","8","3","4","3","1") = "8"
    & skf18("9","6","8","3","4","4","1") = "8"
    & skf18("9","6","8","3","4","5","1") = "8"
    & skf18("9","6","8","3","4","6","1") = "8"
    & skf18("9","6","8","3","4","7","1") = "8"
    & skf18("9","6","8","3","4","8","1") = "8"
    & skf18("9","6","8","3","4","9","1") = "8"
    & skf18("9","6","8","3","4","10","1") = "9"
    & skf18("9","6","8","3","5","1","1") = "8"
    & skf18("9","6","8","3","5","2","1") = "8"
    & skf18("9","6","8","3","5","3","1") = "8"
    & skf18("9","6","8","3","5","4","1") = "8"
    & skf18("9","6","8","3","5","5","1") = "8"
    & skf18("9","6","8","3","5","6","1") = "8"
    & skf18("9","6","8","3","5","7","1") = "8"
    & skf18("9","6","8","3","5","8","1") = "8"
    & skf18("9","6","8","3","5","9","1") = "8"
    & skf18("9","6","8","3","5","10","1") = "9"
    & skf18("9","6","8","3","6","1","1") = "8"
    & skf18("9","6","8","3","6","2","1") = "8"
    & skf18("9","6","8","3","6","3","1") = "8"
    & skf18("9","6","8","3","6","4","1") = "8"
    & skf18("9","6","8","3","6","5","1") = "8"
    & skf18("9","6","8","3","6","6","1") = "8"
    & skf18("9","6","8","3","6","7","1") = "8"
    & skf18("9","6","8","3","6","8","1") = "8"
    & skf18("9","6","8","3","6","9","1") = "8"
    & skf18("9","6","8","3","6","10","1") = "9"
    & skf18("9","6","8","3","7","1","1") = "8"
    & skf18("9","6","8","3","7","2","1") = "8"
    & skf18("9","6","8","3","7","3","1") = "8"
    & skf18("9","6","8","3","7","4","1") = "8"
    & skf18("9","6","8","3","7","5","1") = "8"
    & skf18("9","6","8","3","7","6","1") = "8"
    & skf18("9","6","8","3","7","7","1") = "8"
    & skf18("9","6","8","3","7","8","1") = "8"
    & skf18("9","6","8","3","7","9","1") = "8"
    & skf18("9","6","8","3","7","10","1") = "9"
    & skf18("9","6","8","3","8","1","1") = "8"
    & skf18("9","6","8","3","8","2","1") = "8"
    & skf18("9","6","8","3","8","3","1") = "8"
    & skf18("9","6","8","3","8","4","1") = "8"
    & skf18("9","6","8","3","8","5","1") = "8"
    & skf18("9","6","8","3","8","6","1") = "8"
    & skf18("9","6","8","3","8","7","1") = "8"
    & skf18("9","6","8","3","8","8","1") = "8"
    & skf18("9","6","8","3","8","9","1") = "8"
    & skf18("9","6","8","3","8","10","1") = "9"
    & skf18("9","6","8","3","9","1","1") = "8"
    & skf18("9","6","8","3","9","2","1") = "8"
    & skf18("9","6","8","3","9","3","1") = "8"
    & skf18("9","6","8","3","9","4","1") = "8"
    & skf18("9","6","8","3","9","5","1") = "8"
    & skf18("9","6","8","3","9","6","1") = "8"
    & skf18("9","6","8","3","9","7","1") = "8"
    & skf18("9","6","8","3","9","8","1") = "8"
    & skf18("9","6","8","3","9","9","1") = "8"
    & skf18("9","6","8","3","9","10","1") = "9"
    & skf18("9","6","8","3","10","1","1") = "9"
    & skf18("9","6","8","3","10","2","1") = "9"
    & skf18("9","6","8","3","10","3","1") = "9"
    & skf18("9","6","8","3","10","4","1") = "9"
    & skf18("9","6","8","3","10","5","1") = "9"
    & skf18("9","6","8","3","10","6","1") = "9"
    & skf18("9","6","8","3","10","7","1") = "9"
    & skf18("9","6","8","3","10","8","1") = "9"
    & skf18("9","6","8","3","10","9","1") = "9"
    & skf18("9","6","8","3","10","10","1") = "9"
    & skf18("9","6","8","4","1","1","1") = "8"
    & skf18("9","6","8","4","1","2","1") = "8"
    & skf18("9","6","8","4","1","3","1") = "8"
    & skf18("9","6","8","4","1","4","1") = "8"
    & skf18("9","6","8","4","1","5","1") = "8"
    & skf18("9","6","8","4","1","6","1") = "8"
    & skf18("9","6","8","4","1","7","1") = "8"
    & skf18("9","6","8","4","1","8","1") = "8"
    & skf18("9","6","8","4","1","9","1") = "8"
    & skf18("9","6","8","4","1","10","1") = "9"
    & skf18("9","6","8","4","2","1","1") = "8"
    & skf18("9","6","8","4","2","2","1") = "8"
    & skf18("9","6","8","4","2","3","1") = "8"
    & skf18("9","6","8","4","2","4","1") = "8"
    & skf18("9","6","8","4","2","5","1") = "8"
    & skf18("9","6","8","4","2","6","1") = "8"
    & skf18("9","6","8","4","2","7","1") = "8"
    & skf18("9","6","8","4","2","8","1") = "8"
    & skf18("9","6","8","4","2","9","1") = "8"
    & skf18("9","6","8","4","2","10","1") = "9"
    & skf18("9","6","8","4","3","1","1") = "8"
    & skf18("9","6","8","4","3","2","1") = "8"
    & skf18("9","6","8","4","3","3","1") = "8"
    & skf18("9","6","8","4","3","4","1") = "8"
    & skf18("9","6","8","4","3","5","1") = "8"
    & skf18("9","6","8","4","3","6","1") = "8"
    & skf18("9","6","8","4","3","7","1") = "8"
    & skf18("9","6","8","4","3","8","1") = "8"
    & skf18("9","6","8","4","3","9","1") = "8"
    & skf18("9","6","8","4","3","10","1") = "9"
    & skf18("9","6","8","4","4","1","1") = "8"
    & skf18("9","6","8","4","4","2","1") = "8"
    & skf18("9","6","8","4","4","3","1") = "8"
    & skf18("9","6","8","4","4","4","1") = "8"
    & skf18("9","6","8","4","4","5","1") = "8"
    & skf18("9","6","8","4","4","6","1") = "8"
    & skf18("9","6","8","4","4","7","1") = "8"
    & skf18("9","6","8","4","4","8","1") = "8"
    & skf18("9","6","8","4","4","9","1") = "8"
    & skf18("9","6","8","4","4","10","1") = "9"
    & skf18("9","6","8","4","5","1","1") = "8"
    & skf18("9","6","8","4","5","2","1") = "8"
    & skf18("9","6","8","4","5","3","1") = "8"
    & skf18("9","6","8","4","5","4","1") = "8"
    & skf18("9","6","8","4","5","5","1") = "8"
    & skf18("9","6","8","4","5","6","1") = "8"
    & skf18("9","6","8","4","5","7","1") = "8"
    & skf18("9","6","8","4","5","8","1") = "8"
    & skf18("9","6","8","4","5","9","1") = "8"
    & skf18("9","6","8","4","5","10","1") = "9"
    & skf18("9","6","8","4","6","1","1") = "8"
    & skf18("9","6","8","4","6","2","1") = "8"
    & skf18("9","6","8","4","6","3","1") = "8"
    & skf18("9","6","8","4","6","4","1") = "8"
    & skf18("9","6","8","4","6","5","1") = "8"
    & skf18("9","6","8","4","6","6","1") = "8"
    & skf18("9","6","8","4","6","7","1") = "8"
    & skf18("9","6","8","4","6","8","1") = "8"
    & skf18("9","6","8","4","6","9","1") = "8"
    & skf18("9","6","8","4","6","10","1") = "9"
    & skf18("9","6","8","4","7","1","1") = "8"
    & skf18("9","6","8","4","7","2","1") = "8"
    & skf18("9","6","8","4","7","3","1") = "8"
    & skf18("9","6","8","4","7","4","1") = "8"
    & skf18("9","6","8","4","7","5","1") = "8"
    & skf18("9","6","8","4","7","6","1") = "8"
    & skf18("9","6","8","4","7","7","1") = "8"
    & skf18("9","6","8","4","7","8","1") = "8"
    & skf18("9","6","8","4","7","9","1") = "8"
    & skf18("9","6","8","4","7","10","1") = "9"
    & skf18("9","6","8","4","8","1","1") = "8"
    & skf18("9","6","8","4","8","2","1") = "8"
    & skf18("9","6","8","4","8","3","1") = "8"
    & skf18("9","6","8","4","8","4","1") = "8"
    & skf18("9","6","8","4","8","5","1") = "8"
    & skf18("9","6","8","4","8","6","1") = "8"
    & skf18("9","6","8","4","8","7","1") = "8"
    & skf18("9","6","8","4","8","8","1") = "8"
    & skf18("9","6","8","4","8","9","1") = "8"
    & skf18("9","6","8","4","8","10","1") = "9"
    & skf18("9","6","8","4","9","1","1") = "8"
    & skf18("9","6","8","4","9","2","1") = "8"
    & skf18("9","6","8","4","9","3","1") = "8"
    & skf18("9","6","8","4","9","4","1") = "8"
    & skf18("9","6","8","4","9","5","1") = "8"
    & skf18("9","6","8","4","9","6","1") = "8"
    & skf18("9","6","8","4","9","7","1") = "8"
    & skf18("9","6","8","4","9","8","1") = "8"
    & skf18("9","6","8","4","9","9","1") = "8"
    & skf18("9","6","8","4","9","10","1") = "9"
    & skf18("9","6","8","4","10","1","1") = "9"
    & skf18("9","6","8","4","10","2","1") = "9"
    & skf18("9","6","8","4","10","3","1") = "9"
    & skf18("9","6","8","4","10","4","1") = "9"
    & skf18("9","6","8","4","10","5","1") = "9"
    & skf18("9","6","8","4","10","6","1") = "9"
    & skf18("9","6","8","4","10","7","1") = "9"
    & skf18("9","6","8","4","10","8","1") = "9"
    & skf18("9","6","8","4","10","9","1") = "9"
    & skf18("9","6","8","4","10","10","1") = "9"
    & skf18("9","6","8","5","1","1","1") = "8"
    & skf18("9","6","8","5","1","2","1") = "8"
    & skf18("9","6","8","5","1","3","1") = "8"
    & skf18("9","6","8","5","1","4","1") = "8"
    & skf18("9","6","8","5","1","5","1") = "8"
    & skf18("9","6","8","5","1","6","1") = "8"
    & skf18("9","6","8","5","1","7","1") = "8"
    & skf18("9","6","8","5","1","8","1") = "8"
    & skf18("9","6","8","5","1","9","1") = "8"
    & skf18("9","6","8","5","1","10","1") = "9"
    & skf18("9","6","8","5","2","1","1") = "8"
    & skf18("9","6","8","5","2","2","1") = "8"
    & skf18("9","6","8","5","2","3","1") = "8"
    & skf18("9","6","8","5","2","4","1") = "8"
    & skf18("9","6","8","5","2","5","1") = "8"
    & skf18("9","6","8","5","2","6","1") = "8"
    & skf18("9","6","8","5","2","7","1") = "8"
    & skf18("9","6","8","5","2","8","1") = "8"
    & skf18("9","6","8","5","2","9","1") = "8"
    & skf18("9","6","8","5","2","10","1") = "9"
    & skf18("9","6","8","5","3","1","1") = "8"
    & skf18("9","6","8","5","3","2","1") = "8"
    & skf18("9","6","8","5","3","3","1") = "8"
    & skf18("9","6","8","5","3","4","1") = "8"
    & skf18("9","6","8","5","3","5","1") = "8"
    & skf18("9","6","8","5","3","6","1") = "8"
    & skf18("9","6","8","5","3","7","1") = "8"
    & skf18("9","6","8","5","3","8","1") = "8"
    & skf18("9","6","8","5","3","9","1") = "8"
    & skf18("9","6","8","5","3","10","1") = "9"
    & skf18("9","6","8","5","4","1","1") = "8"
    & skf18("9","6","8","5","4","2","1") = "8"
    & skf18("9","6","8","5","4","3","1") = "8"
    & skf18("9","6","8","5","4","4","1") = "8"
    & skf18("9","6","8","5","4","5","1") = "8"
    & skf18("9","6","8","5","4","6","1") = "8"
    & skf18("9","6","8","5","4","7","1") = "8"
    & skf18("9","6","8","5","4","8","1") = "8"
    & skf18("9","6","8","5","4","9","1") = "8"
    & skf18("9","6","8","5","4","10","1") = "9"
    & skf18("9","6","8","5","5","1","1") = "8"
    & skf18("9","6","8","5","5","2","1") = "8"
    & skf18("9","6","8","5","5","3","1") = "8"
    & skf18("9","6","8","5","5","4","1") = "8"
    & skf18("9","6","8","5","5","5","1") = "8"
    & skf18("9","6","8","5","5","6","1") = "8"
    & skf18("9","6","8","5","5","7","1") = "8"
    & skf18("9","6","8","5","5","8","1") = "8"
    & skf18("9","6","8","5","5","9","1") = "8"
    & skf18("9","6","8","5","5","10","1") = "9"
    & skf18("9","6","8","5","6","1","1") = "8"
    & skf18("9","6","8","5","6","2","1") = "8"
    & skf18("9","6","8","5","6","3","1") = "8"
    & skf18("9","6","8","5","6","4","1") = "8"
    & skf18("9","6","8","5","6","5","1") = "8"
    & skf18("9","6","8","5","6","6","1") = "8"
    & skf18("9","6","8","5","6","7","1") = "8"
    & skf18("9","6","8","5","6","8","1") = "8"
    & skf18("9","6","8","5","6","9","1") = "8"
    & skf18("9","6","8","5","6","10","1") = "9"
    & skf18("9","6","8","5","7","1","1") = "8"
    & skf18("9","6","8","5","7","2","1") = "8"
    & skf18("9","6","8","5","7","3","1") = "8"
    & skf18("9","6","8","5","7","4","1") = "8"
    & skf18("9","6","8","5","7","5","1") = "8"
    & skf18("9","6","8","5","7","6","1") = "8"
    & skf18("9","6","8","5","7","7","1") = "8"
    & skf18("9","6","8","5","7","8","1") = "8"
    & skf18("9","6","8","5","7","9","1") = "8"
    & skf18("9","6","8","5","7","10","1") = "9"
    & skf18("9","6","8","5","8","1","1") = "8"
    & skf18("9","6","8","5","8","2","1") = "8"
    & skf18("9","6","8","5","8","3","1") = "8"
    & skf18("9","6","8","5","8","4","1") = "8"
    & skf18("9","6","8","5","8","5","1") = "8"
    & skf18("9","6","8","5","8","6","1") = "8"
    & skf18("9","6","8","5","8","7","1") = "8"
    & skf18("9","6","8","5","8","8","1") = "8"
    & skf18("9","6","8","5","8","9","1") = "8"
    & skf18("9","6","8","5","8","10","1") = "9"
    & skf18("9","6","8","5","9","1","1") = "8"
    & skf18("9","6","8","5","9","2","1") = "8"
    & skf18("9","6","8","5","9","3","1") = "8"
    & skf18("9","6","8","5","9","4","1") = "8"
    & skf18("9","6","8","5","9","5","1") = "8"
    & skf18("9","6","8","5","9","6","1") = "8"
    & skf18("9","6","8","5","9","7","1") = "8"
    & skf18("9","6","8","5","9","8","1") = "8"
    & skf18("9","6","8","5","9","9","1") = "8"
    & skf18("9","6","8","5","9","10","1") = "9"
    & skf18("9","6","8","5","10","1","1") = "9"
    & skf18("9","6","8","5","10","2","1") = "9"
    & skf18("9","6","8","5","10","3","1") = "9"
    & skf18("9","6","8","5","10","4","1") = "9"
    & skf18("9","6","8","5","10","5","1") = "9"
    & skf18("9","6","8","5","10","6","1") = "9"
    & skf18("9","6","8","5","10","7","1") = "9"
    & skf18("9","6","8","5","10","8","1") = "9"
    & skf18("9","6","8","5","10","9","1") = "9"
    & skf18("9","6","8","5","10","10","1") = "9"
    & skf18("9","6","8","6","1","1","1") = "8"
    & skf18("9","6","8","6","1","2","1") = "8"
    & skf18("9","6","8","6","1","3","1") = "8"
    & skf18("9","6","8","6","1","4","1") = "8"
    & skf18("9","6","8","6","1","5","1") = "8"
    & skf18("9","6","8","6","1","6","1") = "8"
    & skf18("9","6","8","6","1","7","1") = "8"
    & skf18("9","6","8","6","1","8","1") = "8"
    & skf18("9","6","8","6","1","9","1") = "8"
    & skf18("9","6","8","6","1","10","1") = "9"
    & skf18("9","6","8","6","2","1","1") = "8"
    & skf18("9","6","8","6","2","2","1") = "8"
    & skf18("9","6","8","6","2","3","1") = "8"
    & skf18("9","6","8","6","2","4","1") = "8"
    & skf18("9","6","8","6","2","5","1") = "8"
    & skf18("9","6","8","6","2","6","1") = "8"
    & skf18("9","6","8","6","2","7","1") = "8"
    & skf18("9","6","8","6","2","8","1") = "8"
    & skf18("9","6","8","6","2","9","1") = "8"
    & skf18("9","6","8","6","2","10","1") = "9"
    & skf18("9","6","8","6","3","1","1") = "8"
    & skf18("9","6","8","6","3","2","1") = "8"
    & skf18("9","6","8","6","3","3","1") = "8"
    & skf18("9","6","8","6","3","4","1") = "8"
    & skf18("9","6","8","6","3","5","1") = "8"
    & skf18("9","6","8","6","3","6","1") = "8"
    & skf18("9","6","8","6","3","7","1") = "8"
    & skf18("9","6","8","6","3","8","1") = "8"
    & skf18("9","6","8","6","3","9","1") = "8"
    & skf18("9","6","8","6","3","10","1") = "9"
    & skf18("9","6","8","6","4","1","1") = "8"
    & skf18("9","6","8","6","4","2","1") = "8"
    & skf18("9","6","8","6","4","3","1") = "8"
    & skf18("9","6","8","6","4","4","1") = "8"
    & skf18("9","6","8","6","4","5","1") = "8"
    & skf18("9","6","8","6","4","6","1") = "8"
    & skf18("9","6","8","6","4","7","1") = "8"
    & skf18("9","6","8","6","4","8","1") = "8"
    & skf18("9","6","8","6","4","9","1") = "8"
    & skf18("9","6","8","6","4","10","1") = "9"
    & skf18("9","6","8","6","5","1","1") = "8"
    & skf18("9","6","8","6","5","2","1") = "8"
    & skf18("9","6","8","6","5","3","1") = "8"
    & skf18("9","6","8","6","5","4","1") = "8"
    & skf18("9","6","8","6","5","5","1") = "8"
    & skf18("9","6","8","6","5","6","1") = "8"
    & skf18("9","6","8","6","5","7","1") = "8"
    & skf18("9","6","8","6","5","8","1") = "8"
    & skf18("9","6","8","6","5","9","1") = "8"
    & skf18("9","6","8","6","5","10","1") = "9"
    & skf18("9","6","8","6","6","1","1") = "8"
    & skf18("9","6","8","6","6","2","1") = "8"
    & skf18("9","6","8","6","6","3","1") = "8"
    & skf18("9","6","8","6","6","4","1") = "8"
    & skf18("9","6","8","6","6","5","1") = "8"
    & skf18("9","6","8","6","6","6","1") = "8"
    & skf18("9","6","8","6","6","7","1") = "8"
    & skf18("9","6","8","6","6","8","1") = "8"
    & skf18("9","6","8","6","6","9","1") = "8"
    & skf18("9","6","8","6","6","10","1") = "9"
    & skf18("9","6","8","6","7","1","1") = "8"
    & skf18("9","6","8","6","7","2","1") = "8"
    & skf18("9","6","8","6","7","3","1") = "8"
    & skf18("9","6","8","6","7","4","1") = "8"
    & skf18("9","6","8","6","7","5","1") = "8"
    & skf18("9","6","8","6","7","6","1") = "8"
    & skf18("9","6","8","6","7","7","1") = "8"
    & skf18("9","6","8","6","7","8","1") = "8"
    & skf18("9","6","8","6","7","9","1") = "8"
    & skf18("9","6","8","6","7","10","1") = "9"
    & skf18("9","6","8","6","8","1","1") = "8"
    & skf18("9","6","8","6","8","2","1") = "8"
    & skf18("9","6","8","6","8","3","1") = "8"
    & skf18("9","6","8","6","8","4","1") = "8"
    & skf18("9","6","8","6","8","5","1") = "8"
    & skf18("9","6","8","6","8","6","1") = "8"
    & skf18("9","6","8","6","8","7","1") = "8"
    & skf18("9","6","8","6","8","8","1") = "8"
    & skf18("9","6","8","6","8","9","1") = "8"
    & skf18("9","6","8","6","8","10","1") = "9"
    & skf18("9","6","8","6","9","1","1") = "8"
    & skf18("9","6","8","6","9","2","1") = "8"
    & skf18("9","6","8","6","9","3","1") = "8"
    & skf18("9","6","8","6","9","4","1") = "8"
    & skf18("9","6","8","6","9","5","1") = "8"
    & skf18("9","6","8","6","9","6","1") = "8"
    & skf18("9","6","8","6","9","7","1") = "8"
    & skf18("9","6","8","6","9","8","1") = "8"
    & skf18("9","6","8","6","9","9","1") = "8"
    & skf18("9","6","8","6","9","10","1") = "9"
    & skf18("9","6","8","6","10","1","1") = "9"
    & skf18("9","6","8","6","10","2","1") = "9"
    & skf18("9","6","8","6","10","3","1") = "9"
    & skf18("9","6","8","6","10","4","1") = "9"
    & skf18("9","6","8","6","10","5","1") = "9"
    & skf18("9","6","8","6","10","6","1") = "9"
    & skf18("9","6","8","6","10","7","1") = "9"
    & skf18("9","6","8","6","10","8","1") = "9"
    & skf18("9","6","8","6","10","9","1") = "9"
    & skf18("9","6","8","6","10","10","1") = "9"
    & skf18("9","6","8","7","1","1","1") = "8"
    & skf18("9","6","8","7","1","2","1") = "8"
    & skf18("9","6","8","7","1","3","1") = "8"
    & skf18("9","6","8","7","1","4","1") = "8"
    & skf18("9","6","8","7","1","5","1") = "8"
    & skf18("9","6","8","7","1","6","1") = "8"
    & skf18("9","6","8","7","1","7","1") = "8"
    & skf18("9","6","8","7","1","8","1") = "8"
    & skf18("9","6","8","7","1","9","1") = "8"
    & skf18("9","6","8","7","1","10","1") = "9"
    & skf18("9","6","8","7","2","1","1") = "8"
    & skf18("9","6","8","7","2","2","1") = "8"
    & skf18("9","6","8","7","2","3","1") = "8"
    & skf18("9","6","8","7","2","4","1") = "8"
    & skf18("9","6","8","7","2","5","1") = "8"
    & skf18("9","6","8","7","2","6","1") = "8"
    & skf18("9","6","8","7","2","7","1") = "8"
    & skf18("9","6","8","7","2","8","1") = "8"
    & skf18("9","6","8","7","2","9","1") = "8"
    & skf18("9","6","8","7","2","10","1") = "9"
    & skf18("9","6","8","7","3","1","1") = "8"
    & skf18("9","6","8","7","3","2","1") = "8"
    & skf18("9","6","8","7","3","3","1") = "8"
    & skf18("9","6","8","7","3","4","1") = "8"
    & skf18("9","6","8","7","3","5","1") = "8"
    & skf18("9","6","8","7","3","6","1") = "8"
    & skf18("9","6","8","7","3","7","1") = "8"
    & skf18("9","6","8","7","3","8","1") = "8"
    & skf18("9","6","8","7","3","9","1") = "8"
    & skf18("9","6","8","7","3","10","1") = "9"
    & skf18("9","6","8","7","4","1","1") = "8"
    & skf18("9","6","8","7","4","2","1") = "8"
    & skf18("9","6","8","7","4","3","1") = "8"
    & skf18("9","6","8","7","4","4","1") = "8"
    & skf18("9","6","8","7","4","5","1") = "8"
    & skf18("9","6","8","7","4","6","1") = "8"
    & skf18("9","6","8","7","4","7","1") = "8"
    & skf18("9","6","8","7","4","8","1") = "8"
    & skf18("9","6","8","7","4","9","1") = "8"
    & skf18("9","6","8","7","4","10","1") = "9"
    & skf18("9","6","8","7","5","1","1") = "8"
    & skf18("9","6","8","7","5","2","1") = "8"
    & skf18("9","6","8","7","5","3","1") = "8"
    & skf18("9","6","8","7","5","4","1") = "8"
    & skf18("9","6","8","7","5","5","1") = "8"
    & skf18("9","6","8","7","5","6","1") = "8"
    & skf18("9","6","8","7","5","7","1") = "8"
    & skf18("9","6","8","7","5","8","1") = "8"
    & skf18("9","6","8","7","5","9","1") = "8"
    & skf18("9","6","8","7","5","10","1") = "9"
    & skf18("9","6","8","7","6","1","1") = "8"
    & skf18("9","6","8","7","6","2","1") = "8"
    & skf18("9","6","8","7","6","3","1") = "8"
    & skf18("9","6","8","7","6","4","1") = "8"
    & skf18("9","6","8","7","6","5","1") = "8"
    & skf18("9","6","8","7","6","6","1") = "8"
    & skf18("9","6","8","7","6","7","1") = "8"
    & skf18("9","6","8","7","6","8","1") = "8"
    & skf18("9","6","8","7","6","9","1") = "8"
    & skf18("9","6","8","7","6","10","1") = "9"
    & skf18("9","6","8","7","7","1","1") = "8"
    & skf18("9","6","8","7","7","2","1") = "8"
    & skf18("9","6","8","7","7","3","1") = "8"
    & skf18("9","6","8","7","7","4","1") = "8"
    & skf18("9","6","8","7","7","5","1") = "8"
    & skf18("9","6","8","7","7","6","1") = "8"
    & skf18("9","6","8","7","7","7","1") = "8"
    & skf18("9","6","8","7","7","8","1") = "8"
    & skf18("9","6","8","7","7","9","1") = "8"
    & skf18("9","6","8","7","7","10","1") = "9"
    & skf18("9","6","8","7","8","1","1") = "8"
    & skf18("9","6","8","7","8","2","1") = "8"
    & skf18("9","6","8","7","8","3","1") = "8"
    & skf18("9","6","8","7","8","4","1") = "8"
    & skf18("9","6","8","7","8","5","1") = "8"
    & skf18("9","6","8","7","8","6","1") = "8"
    & skf18("9","6","8","7","8","7","1") = "8"
    & skf18("9","6","8","7","8","8","1") = "8"
    & skf18("9","6","8","7","8","9","1") = "8"
    & skf18("9","6","8","7","8","10","1") = "9"
    & skf18("9","6","8","7","9","1","1") = "8"
    & skf18("9","6","8","7","9","2","1") = "8"
    & skf18("9","6","8","7","9","3","1") = "8"
    & skf18("9","6","8","7","9","4","1") = "8"
    & skf18("9","6","8","7","9","5","1") = "8"
    & skf18("9","6","8","7","9","6","1") = "8"
    & skf18("9","6","8","7","9","7","1") = "8"
    & skf18("9","6","8","7","9","8","1") = "8"
    & skf18("9","6","8","7","9","9","1") = "8"
    & skf18("9","6","8","7","9","10","1") = "9"
    & skf18("9","6","8","7","10","1","1") = "9"
    & skf18("9","6","8","7","10","2","1") = "9"
    & skf18("9","6","8","7","10","3","1") = "9"
    & skf18("9","6","8","7","10","4","1") = "9"
    & skf18("9","6","8","7","10","5","1") = "9"
    & skf18("9","6","8","7","10","6","1") = "9"
    & skf18("9","6","8","7","10","7","1") = "9"
    & skf18("9","6","8","7","10","8","1") = "9"
    & skf18("9","6","8","7","10","9","1") = "9"
    & skf18("9","6","8","7","10","10","1") = "9"
    & skf18("9","6","8","8","1","1","1") = "8"
    & skf18("9","6","8","8","1","2","1") = "8"
    & skf18("9","6","8","8","1","3","1") = "8"
    & skf18("9","6","8","8","1","4","1") = "8"
    & skf18("9","6","8","8","1","5","1") = "8"
    & skf18("9","6","8","8","1","6","1") = "8"
    & skf18("9","6","8","8","1","7","1") = "8"
    & skf18("9","6","8","8","1","8","1") = "8"
    & skf18("9","6","8","8","1","9","1") = "8"
    & skf18("9","6","8","8","1","10","1") = "9"
    & skf18("9","6","8","8","2","1","1") = "8"
    & skf18("9","6","8","8","2","2","1") = "8"
    & skf18("9","6","8","8","2","3","1") = "8"
    & skf18("9","6","8","8","2","4","1") = "8"
    & skf18("9","6","8","8","2","5","1") = "8"
    & skf18("9","6","8","8","2","6","1") = "8"
    & skf18("9","6","8","8","2","7","1") = "8"
    & skf18("9","6","8","8","2","8","1") = "8"
    & skf18("9","6","8","8","2","9","1") = "8"
    & skf18("9","6","8","8","2","10","1") = "9"
    & skf18("9","6","8","8","3","1","1") = "8"
    & skf18("9","6","8","8","3","2","1") = "8"
    & skf18("9","6","8","8","3","3","1") = "8"
    & skf18("9","6","8","8","3","4","1") = "8"
    & skf18("9","6","8","8","3","5","1") = "8"
    & skf18("9","6","8","8","3","6","1") = "8"
    & skf18("9","6","8","8","3","7","1") = "8"
    & skf18("9","6","8","8","3","8","1") = "8"
    & skf18("9","6","8","8","3","9","1") = "8"
    & skf18("9","6","8","8","3","10","1") = "9"
    & skf18("9","6","8","8","4","1","1") = "8"
    & skf18("9","6","8","8","4","2","1") = "8"
    & skf18("9","6","8","8","4","3","1") = "8"
    & skf18("9","6","8","8","4","4","1") = "8"
    & skf18("9","6","8","8","4","5","1") = "8"
    & skf18("9","6","8","8","4","6","1") = "8"
    & skf18("9","6","8","8","4","7","1") = "8"
    & skf18("9","6","8","8","4","8","1") = "8"
    & skf18("9","6","8","8","4","9","1") = "8"
    & skf18("9","6","8","8","4","10","1") = "9"
    & skf18("9","6","8","8","5","1","1") = "8"
    & skf18("9","6","8","8","5","2","1") = "8"
    & skf18("9","6","8","8","5","3","1") = "8"
    & skf18("9","6","8","8","5","4","1") = "8"
    & skf18("9","6","8","8","5","5","1") = "8"
    & skf18("9","6","8","8","5","6","1") = "8"
    & skf18("9","6","8","8","5","7","1") = "8"
    & skf18("9","6","8","8","5","8","1") = "8"
    & skf18("9","6","8","8","5","9","1") = "8"
    & skf18("9","6","8","8","5","10","1") = "9"
    & skf18("9","6","8","8","6","1","1") = "8"
    & skf18("9","6","8","8","6","2","1") = "8"
    & skf18("9","6","8","8","6","3","1") = "8"
    & skf18("9","6","8","8","6","4","1") = "8"
    & skf18("9","6","8","8","6","5","1") = "8"
    & skf18("9","6","8","8","6","6","1") = "8"
    & skf18("9","6","8","8","6","7","1") = "8"
    & skf18("9","6","8","8","6","8","1") = "8"
    & skf18("9","6","8","8","6","9","1") = "8"
    & skf18("9","6","8","8","6","10","1") = "9"
    & skf18("9","6","8","8","7","1","1") = "8"
    & skf18("9","6","8","8","7","2","1") = "8"
    & skf18("9","6","8","8","7","3","1") = "8"
    & skf18("9","6","8","8","7","4","1") = "8"
    & skf18("9","6","8","8","7","5","1") = "8"
    & skf18("9","6","8","8","7","6","1") = "8"
    & skf18("9","6","8","8","7","7","1") = "8"
    & skf18("9","6","8","8","7","8","1") = "8"
    & skf18("9","6","8","8","7","9","1") = "8"
    & skf18("9","6","8","8","7","10","1") = "9"
    & skf18("9","6","8","8","8","1","1") = "8"
    & skf18("9","6","8","8","8","2","1") = "8"
    & skf18("9","6","8","8","8","3","1") = "8"
    & skf18("9","6","8","8","8","4","1") = "8"
    & skf18("9","6","8","8","8","5","1") = "8"
    & skf18("9","6","8","8","8","6","1") = "8"
    & skf18("9","6","8","8","8","7","1") = "8"
    & skf18("9","6","8","8","8","8","1") = "8"
    & skf18("9","6","8","8","8","9","1") = "8"
    & skf18("9","6","8","8","8","10","1") = "9"
    & skf18("9","6","8","8","9","1","1") = "8"
    & skf18("9","6","8","8","9","2","1") = "8"
    & skf18("9","6","8","8","9","3","1") = "8"
    & skf18("9","6","8","8","9","4","1") = "8"
    & skf18("9","6","8","8","9","5","1") = "8"
    & skf18("9","6","8","8","9","6","1") = "8"
    & skf18("9","6","8","8","9","7","1") = "8"
    & skf18("9","6","8","8","9","8","1") = "8"
    & skf18("9","6","8","8","9","9","1") = "8"
    & skf18("9","6","8","8","9","10","1") = "9"
    & skf18("9","6","8","8","10","1","1") = "9"
    & skf18("9","6","8","8","10","2","1") = "9"
    & skf18("9","6","8","8","10","3","1") = "9"
    & skf18("9","6","8","8","10","4","1") = "9"
    & skf18("9","6","8","8","10","5","1") = "9"
    & skf18("9","6","8","8","10","6","1") = "9"
    & skf18("9","6","8","8","10","7","1") = "9"
    & skf18("9","6","8","8","10","8","1") = "9"
    & skf18("9","6","8","8","10","9","1") = "9"
    & skf18("9","6","8","8","10","10","1") = "9"
    & skf18("9","6","8","9","1","1","1") = "8"
    & skf18("9","6","8","9","1","2","1") = "8"
    & skf18("9","6","8","9","1","3","1") = "8"
    & skf18("9","6","8","9","1","4","1") = "8"
    & skf18("9","6","8","9","1","5","1") = "8"
    & skf18("9","6","8","9","1","6","1") = "8"
    & skf18("9","6","8","9","1","7","1") = "8"
    & skf18("9","6","8","9","1","8","1") = "8"
    & skf18("9","6","8","9","1","9","1") = "8"
    & skf18("9","6","8","9","1","10","1") = "9"
    & skf18("9","6","8","9","2","1","1") = "8"
    & skf18("9","6","8","9","2","2","1") = "8"
    & skf18("9","6","8","9","2","3","1") = "8"
    & skf18("9","6","8","9","2","4","1") = "8"
    & skf18("9","6","8","9","2","5","1") = "8"
    & skf18("9","6","8","9","2","6","1") = "8"
    & skf18("9","6","8","9","2","7","1") = "8"
    & skf18("9","6","8","9","2","8","1") = "8"
    & skf18("9","6","8","9","2","9","1") = "8"
    & skf18("9","6","8","9","2","10","1") = "9"
    & skf18("9","6","8","9","3","1","1") = "8"
    & skf18("9","6","8","9","3","2","1") = "8"
    & skf18("9","6","8","9","3","3","1") = "8"
    & skf18("9","6","8","9","3","4","1") = "8"
    & skf18("9","6","8","9","3","5","1") = "8"
    & skf18("9","6","8","9","3","6","1") = "8"
    & skf18("9","6","8","9","3","7","1") = "8"
    & skf18("9","6","8","9","3","8","1") = "8"
    & skf18("9","6","8","9","3","9","1") = "8"
    & skf18("9","6","8","9","3","10","1") = "9"
    & skf18("9","6","8","9","4","1","1") = "8"
    & skf18("9","6","8","9","4","2","1") = "8"
    & skf18("9","6","8","9","4","3","1") = "8"
    & skf18("9","6","8","9","4","4","1") = "8"
    & skf18("9","6","8","9","4","5","1") = "8"
    & skf18("9","6","8","9","4","6","1") = "8"
    & skf18("9","6","8","9","4","7","1") = "8"
    & skf18("9","6","8","9","4","8","1") = "8"
    & skf18("9","6","8","9","4","9","1") = "8"
    & skf18("9","6","8","9","4","10","1") = "9"
    & skf18("9","6","8","9","5","1","1") = "8"
    & skf18("9","6","8","9","5","2","1") = "8"
    & skf18("9","6","8","9","5","3","1") = "8"
    & skf18("9","6","8","9","5","4","1") = "8"
    & skf18("9","6","8","9","5","5","1") = "8"
    & skf18("9","6","8","9","5","6","1") = "8"
    & skf18("9","6","8","9","5","7","1") = "8"
    & skf18("9","6","8","9","5","8","1") = "8"
    & skf18("9","6","8","9","5","9","1") = "8"
    & skf18("9","6","8","9","5","10","1") = "9"
    & skf18("9","6","8","9","6","1","1") = "8"
    & skf18("9","6","8","9","6","2","1") = "8"
    & skf18("9","6","8","9","6","3","1") = "8"
    & skf18("9","6","8","9","6","4","1") = "8"
    & skf18("9","6","8","9","6","5","1") = "8"
    & skf18("9","6","8","9","6","6","1") = "8"
    & skf18("9","6","8","9","6","7","1") = "8"
    & skf18("9","6","8","9","6","8","1") = "8"
    & skf18("9","6","8","9","6","9","1") = "8"
    & skf18("9","6","8","9","6","10","1") = "9"
    & skf18("9","6","8","9","7","1","1") = "8"
    & skf18("9","6","8","9","7","2","1") = "8"
    & skf18("9","6","8","9","7","3","1") = "8"
    & skf18("9","6","8","9","7","4","1") = "8"
    & skf18("9","6","8","9","7","5","1") = "8"
    & skf18("9","6","8","9","7","6","1") = "8"
    & skf18("9","6","8","9","7","7","1") = "8"
    & skf18("9","6","8","9","7","8","1") = "8"
    & skf18("9","6","8","9","7","9","1") = "8"
    & skf18("9","6","8","9","7","10","1") = "9"
    & skf18("9","6","8","9","8","1","1") = "8"
    & skf18("9","6","8","9","8","2","1") = "8"
    & skf18("9","6","8","9","8","3","1") = "8"
    & skf18("9","6","8","9","8","4","1") = "8"
    & skf18("9","6","8","9","8","5","1") = "8"
    & skf18("9","6","8","9","8","6","1") = "8"
    & skf18("9","6","8","9","8","7","1") = "8"
    & skf18("9","6","8","9","8","8","1") = "8"
    & skf18("9","6","8","9","8","9","1") = "8"
    & skf18("9","6","8","9","8","10","1") = "9"
    & skf18("9","6","8","9","9","1","1") = "8"
    & skf18("9","6","8","9","9","2","1") = "8"
    & skf18("9","6","8","9","9","3","1") = "8"
    & skf18("9","6","8","9","9","4","1") = "8"
    & skf18("9","6","8","9","9","5","1") = "8"
    & skf18("9","6","8","9","9","6","1") = "8"
    & skf18("9","6","8","9","9","7","1") = "8"
    & skf18("9","6","8","9","9","8","1") = "8"
    & skf18("9","6","8","9","9","9","1") = "8"
    & skf18("9","6","8","9","9","10","1") = "9"
    & skf18("9","6","8","9","10","1","1") = "9"
    & skf18("9","6","8","9","10","2","1") = "9"
    & skf18("9","6","8","9","10","3","1") = "9"
    & skf18("9","6","8","9","10","4","1") = "9"
    & skf18("9","6","8","9","10","5","1") = "9"
    & skf18("9","6","8","9","10","6","1") = "9"
    & skf18("9","6","8","9","10","7","1") = "9"
    & skf18("9","6","8","9","10","8","1") = "9"
    & skf18("9","6","8","9","10","9","1") = "9"
    & skf18("9","6","8","9","10","10","1") = "9"
    & skf18("9","6","8","10","1","1","1") = "9"
    & skf18("9","6","8","10","1","2","1") = "9"
    & skf18("9","6","8","10","1","3","1") = "9"
    & skf18("9","6","8","10","1","4","1") = "9"
    & skf18("9","6","8","10","1","5","1") = "9"
    & skf18("9","6","8","10","1","6","1") = "9"
    & skf18("9","6","8","10","1","7","1") = "9"
    & skf18("9","6","8","10","1","8","1") = "9"
    & skf18("9","6","8","10","1","9","1") = "9"
    & skf18("9","6","8","10","1","10","1") = "9"
    & skf18("9","6","8","10","2","1","1") = "9"
    & skf18("9","6","8","10","2","2","1") = "9"
    & skf18("9","6","8","10","2","3","1") = "9"
    & skf18("9","6","8","10","2","4","1") = "9"
    & skf18("9","6","8","10","2","5","1") = "9"
    & skf18("9","6","8","10","2","6","1") = "9"
    & skf18("9","6","8","10","2","7","1") = "9"
    & skf18("9","6","8","10","2","8","1") = "9"
    & skf18("9","6","8","10","2","9","1") = "9"
    & skf18("9","6","8","10","2","10","1") = "9"
    & skf18("9","6","8","10","3","1","1") = "9"
    & skf18("9","6","8","10","3","2","1") = "9"
    & skf18("9","6","8","10","3","3","1") = "9"
    & skf18("9","6","8","10","3","4","1") = "9"
    & skf18("9","6","8","10","3","5","1") = "9"
    & skf18("9","6","8","10","3","6","1") = "9"
    & skf18("9","6","8","10","3","7","1") = "9"
    & skf18("9","6","8","10","3","8","1") = "9"
    & skf18("9","6","8","10","3","9","1") = "9"
    & skf18("9","6","8","10","3","10","1") = "9"
    & skf18("9","6","8","10","4","1","1") = "9"
    & skf18("9","6","8","10","4","2","1") = "9"
    & skf18("9","6","8","10","4","3","1") = "9"
    & skf18("9","6","8","10","4","4","1") = "9"
    & skf18("9","6","8","10","4","5","1") = "9"
    & skf18("9","6","8","10","4","6","1") = "9"
    & skf18("9","6","8","10","4","7","1") = "9"
    & skf18("9","6","8","10","4","8","1") = "9"
    & skf18("9","6","8","10","4","9","1") = "9"
    & skf18("9","6","8","10","4","10","1") = "9"
    & skf18("9","6","8","10","5","1","1") = "9"
    & skf18("9","6","8","10","5","2","1") = "9"
    & skf18("9","6","8","10","5","3","1") = "9"
    & skf18("9","6","8","10","5","4","1") = "9"
    & skf18("9","6","8","10","5","5","1") = "9"
    & skf18("9","6","8","10","5","6","1") = "9"
    & skf18("9","6","8","10","5","7","1") = "9"
    & skf18("9","6","8","10","5","8","1") = "9"
    & skf18("9","6","8","10","5","9","1") = "9"
    & skf18("9","6","8","10","5","10","1") = "9"
    & skf18("9","6","8","10","6","1","1") = "9"
    & skf18("9","6","8","10","6","2","1") = "9"
    & skf18("9","6","8","10","6","3","1") = "9"
    & skf18("9","6","8","10","6","4","1") = "9"
    & skf18("9","6","8","10","6","5","1") = "9"
    & skf18("9","6","8","10","6","6","1") = "9"
    & skf18("9","6","8","10","6","7","1") = "9"
    & skf18("9","6","8","10","6","8","1") = "9"
    & skf18("9","6","8","10","6","9","1") = "9"
    & skf18("9","6","8","10","6","10","1") = "9"
    & skf18("9","6","8","10","7","1","1") = "9"
    & skf18("9","6","8","10","7","2","1") = "9"
    & skf18("9","6","8","10","7","3","1") = "9"
    & skf18("9","6","8","10","7","4","1") = "9"
    & skf18("9","6","8","10","7","5","1") = "9"
    & skf18("9","6","8","10","7","6","1") = "9"
    & skf18("9","6","8","10","7","7","1") = "9"
    & skf18("9","6","8","10","7","8","1") = "9"
    & skf18("9","6","8","10","7","9","1") = "9"
    & skf18("9","6","8","10","7","10","1") = "9"
    & skf18("9","6","8","10","8","1","1") = "9"
    & skf18("9","6","8","10","8","2","1") = "9"
    & skf18("9","6","8","10","8","3","1") = "9"
    & skf18("9","6","8","10","8","4","1") = "9"
    & skf18("9","6","8","10","8","5","1") = "9"
    & skf18("9","6","8","10","8","6","1") = "9"
    & skf18("9","6","8","10","8","7","1") = "9"
    & skf18("9","6","8","10","8","8","1") = "9"
    & skf18("9","6","8","10","8","9","1") = "9"
    & skf18("9","6","8","10","8","10","1") = "9"
    & skf18("9","6","8","10","9","1","1") = "9"
    & skf18("9","6","8","10","9","2","1") = "9"
    & skf18("9","6","8","10","9","3","1") = "9"
    & skf18("9","6","8","10","9","4","1") = "9"
    & skf18("9","6","8","10","9","5","1") = "9"
    & skf18("9","6","8","10","9","6","1") = "9"
    & skf18("9","6","8","10","9","7","1") = "9"
    & skf18("9","6","8","10","9","8","1") = "9"
    & skf18("9","6","8","10","9","9","1") = "9"
    & skf18("9","6","8","10","9","10","1") = "9"
    & skf18("9","6","8","10","10","1","1") = "9"
    & skf18("9","6","8","10","10","2","1") = "9"
    & skf18("9","6","8","10","10","3","1") = "9"
    & skf18("9","6","8","10","10","4","1") = "9"
    & skf18("9","6","8","10","10","5","1") = "9"
    & skf18("9","6","8","10","10","6","1") = "9"
    & skf18("9","6","8","10","10","7","1") = "9"
    & skf18("9","6","8","10","10","8","1") = "9"
    & skf18("9","6","8","10","10","9","1") = "9"
    & skf18("9","6","8","10","10","10","1") = "9"
    & skf18("9","6","9","1","1","1","1") = "8"
    & skf18("9","6","9","1","1","2","1") = "8"
    & skf18("9","6","9","1","1","3","1") = "8"
    & skf18("9","6","9","1","1","4","1") = "8"
    & skf18("9","6","9","1","1","5","1") = "8"
    & skf18("9","6","9","1","1","6","1") = "8"
    & skf18("9","6","9","1","1","7","1") = "8"
    & skf18("9","6","9","1","1","8","1") = "8"
    & skf18("9","6","9","1","1","9","1") = "8"
    & skf18("9","6","9","1","1","10","1") = "9"
    & skf18("9","6","9","1","2","1","1") = "8"
    & skf18("9","6","9","1","2","2","1") = "8"
    & skf18("9","6","9","1","2","3","1") = "8"
    & skf18("9","6","9","1","2","4","1") = "8"
    & skf18("9","6","9","1","2","5","1") = "8"
    & skf18("9","6","9","1","2","6","1") = "8"
    & skf18("9","6","9","1","2","7","1") = "8"
    & skf18("9","6","9","1","2","8","1") = "8"
    & skf18("9","6","9","1","2","9","1") = "8"
    & skf18("9","6","9","1","2","10","1") = "9"
    & skf18("9","6","9","1","3","1","1") = "8"
    & skf18("9","6","9","1","3","2","1") = "8"
    & skf18("9","6","9","1","3","3","1") = "8"
    & skf18("9","6","9","1","3","4","1") = "8"
    & skf18("9","6","9","1","3","5","1") = "8"
    & skf18("9","6","9","1","3","6","1") = "8"
    & skf18("9","6","9","1","3","7","1") = "8"
    & skf18("9","6","9","1","3","8","1") = "8"
    & skf18("9","6","9","1","3","9","1") = "8"
    & skf18("9","6","9","1","3","10","1") = "9"
    & skf18("9","6","9","1","4","1","1") = "8"
    & skf18("9","6","9","1","4","2","1") = "8"
    & skf18("9","6","9","1","4","3","1") = "8"
    & skf18("9","6","9","1","4","4","1") = "8"
    & skf18("9","6","9","1","4","5","1") = "8"
    & skf18("9","6","9","1","4","6","1") = "8"
    & skf18("9","6","9","1","4","7","1") = "8"
    & skf18("9","6","9","1","4","8","1") = "8"
    & skf18("9","6","9","1","4","9","1") = "8"
    & skf18("9","6","9","1","4","10","1") = "9"
    & skf18("9","6","9","1","5","1","1") = "8"
    & skf18("9","6","9","1","5","2","1") = "8"
    & skf18("9","6","9","1","5","3","1") = "8"
    & skf18("9","6","9","1","5","4","1") = "8"
    & skf18("9","6","9","1","5","5","1") = "8"
    & skf18("9","6","9","1","5","6","1") = "8"
    & skf18("9","6","9","1","5","7","1") = "8"
    & skf18("9","6","9","1","5","8","1") = "8"
    & skf18("9","6","9","1","5","9","1") = "8"
    & skf18("9","6","9","1","5","10","1") = "9"
    & skf18("9","6","9","1","6","1","1") = "8"
    & skf18("9","6","9","1","6","2","1") = "8"
    & skf18("9","6","9","1","6","3","1") = "8"
    & skf18("9","6","9","1","6","4","1") = "8"
    & skf18("9","6","9","1","6","5","1") = "8"
    & skf18("9","6","9","1","6","6","1") = "8"
    & skf18("9","6","9","1","6","7","1") = "8"
    & skf18("9","6","9","1","6","8","1") = "8"
    & skf18("9","6","9","1","6","9","1") = "8"
    & skf18("9","6","9","1","6","10","1") = "9"
    & skf18("9","6","9","1","7","1","1") = "8"
    & skf18("9","6","9","1","7","2","1") = "8"
    & skf18("9","6","9","1","7","3","1") = "8"
    & skf18("9","6","9","1","7","4","1") = "8"
    & skf18("9","6","9","1","7","5","1") = "8"
    & skf18("9","6","9","1","7","6","1") = "8"
    & skf18("9","6","9","1","7","7","1") = "8"
    & skf18("9","6","9","1","7","8","1") = "8"
    & skf18("9","6","9","1","7","9","1") = "8"
    & skf18("9","6","9","1","7","10","1") = "9"
    & skf18("9","6","9","1","8","1","1") = "8"
    & skf18("9","6","9","1","8","2","1") = "8"
    & skf18("9","6","9","1","8","3","1") = "8"
    & skf18("9","6","9","1","8","4","1") = "8"
    & skf18("9","6","9","1","8","5","1") = "8"
    & skf18("9","6","9","1","8","6","1") = "8"
    & skf18("9","6","9","1","8","7","1") = "8"
    & skf18("9","6","9","1","8","8","1") = "8"
    & skf18("9","6","9","1","8","9","1") = "8"
    & skf18("9","6","9","1","8","10","1") = "9"
    & skf18("9","6","9","1","9","1","1") = "8"
    & skf18("9","6","9","1","9","2","1") = "8"
    & skf18("9","6","9","1","9","3","1") = "8"
    & skf18("9","6","9","1","9","4","1") = "8"
    & skf18("9","6","9","1","9","5","1") = "8"
    & skf18("9","6","9","1","9","6","1") = "8"
    & skf18("9","6","9","1","9","7","1") = "8"
    & skf18("9","6","9","1","9","8","1") = "8"
    & skf18("9","6","9","1","9","9","1") = "8"
    & skf18("9","6","9","1","9","10","1") = "9"
    & skf18("9","6","9","1","10","1","1") = "9"
    & skf18("9","6","9","1","10","2","1") = "9"
    & skf18("9","6","9","1","10","3","1") = "9"
    & skf18("9","6","9","1","10","4","1") = "9"
    & skf18("9","6","9","1","10","5","1") = "9"
    & skf18("9","6","9","1","10","6","1") = "9"
    & skf18("9","6","9","1","10","7","1") = "9"
    & skf18("9","6","9","1","10","8","1") = "9"
    & skf18("9","6","9","1","10","9","1") = "9"
    & skf18("9","6","9","1","10","10","1") = "9"
    & skf18("9","6","9","2","1","1","1") = "8"
    & skf18("9","6","9","2","1","2","1") = "8"
    & skf18("9","6","9","2","1","3","1") = "8"
    & skf18("9","6","9","2","1","4","1") = "8"
    & skf18("9","6","9","2","1","5","1") = "8"
    & skf18("9","6","9","2","1","6","1") = "8"
    & skf18("9","6","9","2","1","7","1") = "8"
    & skf18("9","6","9","2","1","8","1") = "8"
    & skf18("9","6","9","2","1","9","1") = "8"
    & skf18("9","6","9","2","1","10","1") = "9"
    & skf18("9","6","9","2","2","1","1") = "8"
    & skf18("9","6","9","2","2","2","1") = "8"
    & skf18("9","6","9","2","2","3","1") = "8"
    & skf18("9","6","9","2","2","4","1") = "8"
    & skf18("9","6","9","2","2","5","1") = "8"
    & skf18("9","6","9","2","2","6","1") = "8"
    & skf18("9","6","9","2","2","7","1") = "8"
    & skf18("9","6","9","2","2","8","1") = "8"
    & skf18("9","6","9","2","2","9","1") = "8"
    & skf18("9","6","9","2","2","10","1") = "9"
    & skf18("9","6","9","2","3","1","1") = "8"
    & skf18("9","6","9","2","3","2","1") = "8"
    & skf18("9","6","9","2","3","3","1") = "8"
    & skf18("9","6","9","2","3","4","1") = "8"
    & skf18("9","6","9","2","3","5","1") = "8"
    & skf18("9","6","9","2","3","6","1") = "8"
    & skf18("9","6","9","2","3","7","1") = "8"
    & skf18("9","6","9","2","3","8","1") = "8"
    & skf18("9","6","9","2","3","9","1") = "8"
    & skf18("9","6","9","2","3","10","1") = "9"
    & skf18("9","6","9","2","4","1","1") = "8"
    & skf18("9","6","9","2","4","2","1") = "8"
    & skf18("9","6","9","2","4","3","1") = "8"
    & skf18("9","6","9","2","4","4","1") = "8"
    & skf18("9","6","9","2","4","5","1") = "8"
    & skf18("9","6","9","2","4","6","1") = "8"
    & skf18("9","6","9","2","4","7","1") = "8"
    & skf18("9","6","9","2","4","8","1") = "8"
    & skf18("9","6","9","2","4","9","1") = "8"
    & skf18("9","6","9","2","4","10","1") = "9"
    & skf18("9","6","9","2","5","1","1") = "8"
    & skf18("9","6","9","2","5","2","1") = "8"
    & skf18("9","6","9","2","5","3","1") = "8"
    & skf18("9","6","9","2","5","4","1") = "8"
    & skf18("9","6","9","2","5","5","1") = "8"
    & skf18("9","6","9","2","5","6","1") = "8"
    & skf18("9","6","9","2","5","7","1") = "8"
    & skf18("9","6","9","2","5","8","1") = "8"
    & skf18("9","6","9","2","5","9","1") = "8"
    & skf18("9","6","9","2","5","10","1") = "9"
    & skf18("9","6","9","2","6","1","1") = "8"
    & skf18("9","6","9","2","6","2","1") = "8"
    & skf18("9","6","9","2","6","3","1") = "8"
    & skf18("9","6","9","2","6","4","1") = "8"
    & skf18("9","6","9","2","6","5","1") = "8"
    & skf18("9","6","9","2","6","6","1") = "8"
    & skf18("9","6","9","2","6","7","1") = "8"
    & skf18("9","6","9","2","6","8","1") = "8"
    & skf18("9","6","9","2","6","9","1") = "8"
    & skf18("9","6","9","2","6","10","1") = "9"
    & skf18("9","6","9","2","7","1","1") = "8"
    & skf18("9","6","9","2","7","2","1") = "8"
    & skf18("9","6","9","2","7","3","1") = "8"
    & skf18("9","6","9","2","7","4","1") = "8"
    & skf18("9","6","9","2","7","5","1") = "8"
    & skf18("9","6","9","2","7","6","1") = "8"
    & skf18("9","6","9","2","7","7","1") = "8"
    & skf18("9","6","9","2","7","8","1") = "8"
    & skf18("9","6","9","2","7","9","1") = "8"
    & skf18("9","6","9","2","7","10","1") = "9"
    & skf18("9","6","9","2","8","1","1") = "8"
    & skf18("9","6","9","2","8","2","1") = "8"
    & skf18("9","6","9","2","8","3","1") = "8"
    & skf18("9","6","9","2","8","4","1") = "8"
    & skf18("9","6","9","2","8","5","1") = "8"
    & skf18("9","6","9","2","8","6","1") = "8"
    & skf18("9","6","9","2","8","7","1") = "8"
    & skf18("9","6","9","2","8","8","1") = "8"
    & skf18("9","6","9","2","8","9","1") = "8"
    & skf18("9","6","9","2","8","10","1") = "9"
    & skf18("9","6","9","2","9","1","1") = "8"
    & skf18("9","6","9","2","9","2","1") = "8"
    & skf18("9","6","9","2","9","3","1") = "8"
    & skf18("9","6","9","2","9","4","1") = "8"
    & skf18("9","6","9","2","9","5","1") = "8"
    & skf18("9","6","9","2","9","6","1") = "8"
    & skf18("9","6","9","2","9","7","1") = "8"
    & skf18("9","6","9","2","9","8","1") = "8"
    & skf18("9","6","9","2","9","9","1") = "8"
    & skf18("9","6","9","2","9","10","1") = "9"
    & skf18("9","6","9","2","10","1","1") = "9"
    & skf18("9","6","9","2","10","2","1") = "9"
    & skf18("9","6","9","2","10","3","1") = "9"
    & skf18("9","6","9","2","10","4","1") = "9"
    & skf18("9","6","9","2","10","5","1") = "9"
    & skf18("9","6","9","2","10","6","1") = "9"
    & skf18("9","6","9","2","10","7","1") = "9"
    & skf18("9","6","9","2","10","8","1") = "9"
    & skf18("9","6","9","2","10","9","1") = "9"
    & skf18("9","6","9","2","10","10","1") = "9"
    & skf18("9","6","9","3","1","1","1") = "8"
    & skf18("9","6","9","3","1","2","1") = "8"
    & skf18("9","6","9","3","1","3","1") = "8"
    & skf18("9","6","9","3","1","4","1") = "8"
    & skf18("9","6","9","3","1","5","1") = "8"
    & skf18("9","6","9","3","1","6","1") = "8"
    & skf18("9","6","9","3","1","7","1") = "8"
    & skf18("9","6","9","3","1","8","1") = "8"
    & skf18("9","6","9","3","1","9","1") = "8"
    & skf18("9","6","9","3","1","10","1") = "9"
    & skf18("9","6","9","3","2","1","1") = "8"
    & skf18("9","6","9","3","2","2","1") = "8"
    & skf18("9","6","9","3","2","3","1") = "8"
    & skf18("9","6","9","3","2","4","1") = "8"
    & skf18("9","6","9","3","2","5","1") = "8"
    & skf18("9","6","9","3","2","6","1") = "8"
    & skf18("9","6","9","3","2","7","1") = "8"
    & skf18("9","6","9","3","2","8","1") = "8"
    & skf18("9","6","9","3","2","9","1") = "8"
    & skf18("9","6","9","3","2","10","1") = "9"
    & skf18("9","6","9","3","3","1","1") = "8"
    & skf18("9","6","9","3","3","2","1") = "8"
    & skf18("9","6","9","3","3","3","1") = "8"
    & skf18("9","6","9","3","3","4","1") = "8"
    & skf18("9","6","9","3","3","5","1") = "8"
    & skf18("9","6","9","3","3","6","1") = "8"
    & skf18("9","6","9","3","3","7","1") = "8"
    & skf18("9","6","9","3","3","8","1") = "8"
    & skf18("9","6","9","3","3","9","1") = "8"
    & skf18("9","6","9","3","3","10","1") = "9"
    & skf18("9","6","9","3","4","1","1") = "8"
    & skf18("9","6","9","3","4","2","1") = "8"
    & skf18("9","6","9","3","4","3","1") = "8"
    & skf18("9","6","9","3","4","4","1") = "8"
    & skf18("9","6","9","3","4","5","1") = "8"
    & skf18("9","6","9","3","4","6","1") = "8"
    & skf18("9","6","9","3","4","7","1") = "8"
    & skf18("9","6","9","3","4","8","1") = "8"
    & skf18("9","6","9","3","4","9","1") = "8"
    & skf18("9","6","9","3","4","10","1") = "9"
    & skf18("9","6","9","3","5","1","1") = "8"
    & skf18("9","6","9","3","5","2","1") = "8"
    & skf18("9","6","9","3","5","3","1") = "8"
    & skf18("9","6","9","3","5","4","1") = "8"
    & skf18("9","6","9","3","5","5","1") = "8"
    & skf18("9","6","9","3","5","6","1") = "8"
    & skf18("9","6","9","3","5","7","1") = "8"
    & skf18("9","6","9","3","5","8","1") = "8"
    & skf18("9","6","9","3","5","9","1") = "8"
    & skf18("9","6","9","3","5","10","1") = "9"
    & skf18("9","6","9","3","6","1","1") = "8"
    & skf18("9","6","9","3","6","2","1") = "8"
    & skf18("9","6","9","3","6","3","1") = "8"
    & skf18("9","6","9","3","6","4","1") = "8"
    & skf18("9","6","9","3","6","5","1") = "8"
    & skf18("9","6","9","3","6","6","1") = "8"
    & skf18("9","6","9","3","6","7","1") = "8"
    & skf18("9","6","9","3","6","8","1") = "8"
    & skf18("9","6","9","3","6","9","1") = "8"
    & skf18("9","6","9","3","6","10","1") = "9"
    & skf18("9","6","9","3","7","1","1") = "8"
    & skf18("9","6","9","3","7","2","1") = "8"
    & skf18("9","6","9","3","7","3","1") = "8"
    & skf18("9","6","9","3","7","4","1") = "8"
    & skf18("9","6","9","3","7","5","1") = "8"
    & skf18("9","6","9","3","7","6","1") = "8"
    & skf18("9","6","9","3","7","7","1") = "8"
    & skf18("9","6","9","3","7","8","1") = "8"
    & skf18("9","6","9","3","7","9","1") = "8"
    & skf18("9","6","9","3","7","10","1") = "9"
    & skf18("9","6","9","3","8","1","1") = "8"
    & skf18("9","6","9","3","8","2","1") = "8"
    & skf18("9","6","9","3","8","3","1") = "8"
    & skf18("9","6","9","3","8","4","1") = "8"
    & skf18("9","6","9","3","8","5","1") = "8"
    & skf18("9","6","9","3","8","6","1") = "8"
    & skf18("9","6","9","3","8","7","1") = "8"
    & skf18("9","6","9","3","8","8","1") = "8"
    & skf18("9","6","9","3","8","9","1") = "8"
    & skf18("9","6","9","3","8","10","1") = "9"
    & skf18("9","6","9","3","9","1","1") = "8"
    & skf18("9","6","9","3","9","2","1") = "8"
    & skf18("9","6","9","3","9","3","1") = "8"
    & skf18("9","6","9","3","9","4","1") = "8"
    & skf18("9","6","9","3","9","5","1") = "8"
    & skf18("9","6","9","3","9","6","1") = "8"
    & skf18("9","6","9","3","9","7","1") = "8"
    & skf18("9","6","9","3","9","8","1") = "8"
    & skf18("9","6","9","3","9","9","1") = "8"
    & skf18("9","6","9","3","9","10","1") = "9"
    & skf18("9","6","9","3","10","1","1") = "9"
    & skf18("9","6","9","3","10","2","1") = "9"
    & skf18("9","6","9","3","10","3","1") = "9"
    & skf18("9","6","9","3","10","4","1") = "9"
    & skf18("9","6","9","3","10","5","1") = "9"
    & skf18("9","6","9","3","10","6","1") = "9"
    & skf18("9","6","9","3","10","7","1") = "9"
    & skf18("9","6","9","3","10","8","1") = "9"
    & skf18("9","6","9","3","10","9","1") = "9"
    & skf18("9","6","9","3","10","10","1") = "9"
    & skf18("9","6","9","4","1","1","1") = "8"
    & skf18("9","6","9","4","1","2","1") = "8"
    & skf18("9","6","9","4","1","3","1") = "8"
    & skf18("9","6","9","4","1","4","1") = "8"
    & skf18("9","6","9","4","1","5","1") = "8"
    & skf18("9","6","9","4","1","6","1") = "8"
    & skf18("9","6","9","4","1","7","1") = "8"
    & skf18("9","6","9","4","1","8","1") = "8"
    & skf18("9","6","9","4","1","9","1") = "8"
    & skf18("9","6","9","4","1","10","1") = "9"
    & skf18("9","6","9","4","2","1","1") = "8"
    & skf18("9","6","9","4","2","2","1") = "8"
    & skf18("9","6","9","4","2","3","1") = "8"
    & skf18("9","6","9","4","2","4","1") = "8"
    & skf18("9","6","9","4","2","5","1") = "8"
    & skf18("9","6","9","4","2","6","1") = "8"
    & skf18("9","6","9","4","2","7","1") = "8"
    & skf18("9","6","9","4","2","8","1") = "8"
    & skf18("9","6","9","4","2","9","1") = "8"
    & skf18("9","6","9","4","2","10","1") = "9"
    & skf18("9","6","9","4","3","1","1") = "8"
    & skf18("9","6","9","4","3","2","1") = "8"
    & skf18("9","6","9","4","3","3","1") = "8"
    & skf18("9","6","9","4","3","4","1") = "8"
    & skf18("9","6","9","4","3","5","1") = "8"
    & skf18("9","6","9","4","3","6","1") = "8"
    & skf18("9","6","9","4","3","7","1") = "8"
    & skf18("9","6","9","4","3","8","1") = "8"
    & skf18("9","6","9","4","3","9","1") = "8"
    & skf18("9","6","9","4","3","10","1") = "9"
    & skf18("9","6","9","4","4","1","1") = "8"
    & skf18("9","6","9","4","4","2","1") = "8"
    & skf18("9","6","9","4","4","3","1") = "8"
    & skf18("9","6","9","4","4","4","1") = "8"
    & skf18("9","6","9","4","4","5","1") = "8"
    & skf18("9","6","9","4","4","6","1") = "8"
    & skf18("9","6","9","4","4","7","1") = "8"
    & skf18("9","6","9","4","4","8","1") = "8"
    & skf18("9","6","9","4","4","9","1") = "8"
    & skf18("9","6","9","4","4","10","1") = "9"
    & skf18("9","6","9","4","5","1","1") = "8"
    & skf18("9","6","9","4","5","2","1") = "8"
    & skf18("9","6","9","4","5","3","1") = "8"
    & skf18("9","6","9","4","5","4","1") = "8"
    & skf18("9","6","9","4","5","5","1") = "8"
    & skf18("9","6","9","4","5","6","1") = "8"
    & skf18("9","6","9","4","5","7","1") = "8"
    & skf18("9","6","9","4","5","8","1") = "8"
    & skf18("9","6","9","4","5","9","1") = "8"
    & skf18("9","6","9","4","5","10","1") = "9"
    & skf18("9","6","9","4","6","1","1") = "8"
    & skf18("9","6","9","4","6","2","1") = "8"
    & skf18("9","6","9","4","6","3","1") = "8"
    & skf18("9","6","9","4","6","4","1") = "8"
    & skf18("9","6","9","4","6","5","1") = "8"
    & skf18("9","6","9","4","6","6","1") = "8"
    & skf18("9","6","9","4","6","7","1") = "8"
    & skf18("9","6","9","4","6","8","1") = "8"
    & skf18("9","6","9","4","6","9","1") = "8"
    & skf18("9","6","9","4","6","10","1") = "9"
    & skf18("9","6","9","4","7","1","1") = "8"
    & skf18("9","6","9","4","7","2","1") = "8"
    & skf18("9","6","9","4","7","3","1") = "8"
    & skf18("9","6","9","4","7","4","1") = "8"
    & skf18("9","6","9","4","7","5","1") = "8"
    & skf18("9","6","9","4","7","6","1") = "8"
    & skf18("9","6","9","4","7","7","1") = "8"
    & skf18("9","6","9","4","7","8","1") = "8"
    & skf18("9","6","9","4","7","9","1") = "8"
    & skf18("9","6","9","4","7","10","1") = "9"
    & skf18("9","6","9","4","8","1","1") = "8"
    & skf18("9","6","9","4","8","2","1") = "8"
    & skf18("9","6","9","4","8","3","1") = "8"
    & skf18("9","6","9","4","8","4","1") = "8"
    & skf18("9","6","9","4","8","5","1") = "8"
    & skf18("9","6","9","4","8","6","1") = "8"
    & skf18("9","6","9","4","8","7","1") = "8"
    & skf18("9","6","9","4","8","8","1") = "8"
    & skf18("9","6","9","4","8","9","1") = "8"
    & skf18("9","6","9","4","8","10","1") = "9"
    & skf18("9","6","9","4","9","1","1") = "8"
    & skf18("9","6","9","4","9","2","1") = "8"
    & skf18("9","6","9","4","9","3","1") = "8"
    & skf18("9","6","9","4","9","4","1") = "8"
    & skf18("9","6","9","4","9","5","1") = "8"
    & skf18("9","6","9","4","9","6","1") = "8"
    & skf18("9","6","9","4","9","7","1") = "8"
    & skf18("9","6","9","4","9","8","1") = "8"
    & skf18("9","6","9","4","9","9","1") = "8"
    & skf18("9","6","9","4","9","10","1") = "9"
    & skf18("9","6","9","4","10","1","1") = "9"
    & skf18("9","6","9","4","10","2","1") = "9"
    & skf18("9","6","9","4","10","3","1") = "9"
    & skf18("9","6","9","4","10","4","1") = "9"
    & skf18("9","6","9","4","10","5","1") = "9"
    & skf18("9","6","9","4","10","6","1") = "9"
    & skf18("9","6","9","4","10","7","1") = "9"
    & skf18("9","6","9","4","10","8","1") = "9"
    & skf18("9","6","9","4","10","9","1") = "9"
    & skf18("9","6","9","4","10","10","1") = "9"
    & skf18("9","6","9","5","1","1","1") = "8"
    & skf18("9","6","9","5","1","2","1") = "8"
    & skf18("9","6","9","5","1","3","1") = "8"
    & skf18("9","6","9","5","1","4","1") = "8"
    & skf18("9","6","9","5","1","5","1") = "8"
    & skf18("9","6","9","5","1","6","1") = "8"
    & skf18("9","6","9","5","1","7","1") = "8"
    & skf18("9","6","9","5","1","8","1") = "8"
    & skf18("9","6","9","5","1","9","1") = "8"
    & skf18("9","6","9","5","1","10","1") = "9"
    & skf18("9","6","9","5","2","1","1") = "8"
    & skf18("9","6","9","5","2","2","1") = "8"
    & skf18("9","6","9","5","2","3","1") = "8"
    & skf18("9","6","9","5","2","4","1") = "8"
    & skf18("9","6","9","5","2","5","1") = "8"
    & skf18("9","6","9","5","2","6","1") = "8"
    & skf18("9","6","9","5","2","7","1") = "8"
    & skf18("9","6","9","5","2","8","1") = "8"
    & skf18("9","6","9","5","2","9","1") = "8"
    & skf18("9","6","9","5","2","10","1") = "9"
    & skf18("9","6","9","5","3","1","1") = "8"
    & skf18("9","6","9","5","3","2","1") = "8"
    & skf18("9","6","9","5","3","3","1") = "8"
    & skf18("9","6","9","5","3","4","1") = "8"
    & skf18("9","6","9","5","3","5","1") = "8"
    & skf18("9","6","9","5","3","6","1") = "8"
    & skf18("9","6","9","5","3","7","1") = "8"
    & skf18("9","6","9","5","3","8","1") = "8"
    & skf18("9","6","9","5","3","9","1") = "8"
    & skf18("9","6","9","5","3","10","1") = "9"
    & skf18("9","6","9","5","4","1","1") = "8"
    & skf18("9","6","9","5","4","2","1") = "8"
    & skf18("9","6","9","5","4","3","1") = "8"
    & skf18("9","6","9","5","4","4","1") = "8"
    & skf18("9","6","9","5","4","5","1") = "8"
    & skf18("9","6","9","5","4","6","1") = "8"
    & skf18("9","6","9","5","4","7","1") = "8"
    & skf18("9","6","9","5","4","8","1") = "8"
    & skf18("9","6","9","5","4","9","1") = "8"
    & skf18("9","6","9","5","4","10","1") = "9"
    & skf18("9","6","9","5","5","1","1") = "8"
    & skf18("9","6","9","5","5","2","1") = "8"
    & skf18("9","6","9","5","5","3","1") = "8"
    & skf18("9","6","9","5","5","4","1") = "8"
    & skf18("9","6","9","5","5","5","1") = "8"
    & skf18("9","6","9","5","5","6","1") = "8"
    & skf18("9","6","9","5","5","7","1") = "8"
    & skf18("9","6","9","5","5","8","1") = "8"
    & skf18("9","6","9","5","5","9","1") = "8"
    & skf18("9","6","9","5","5","10","1") = "9"
    & skf18("9","6","9","5","6","1","1") = "8"
    & skf18("9","6","9","5","6","2","1") = "8"
    & skf18("9","6","9","5","6","3","1") = "8"
    & skf18("9","6","9","5","6","4","1") = "8"
    & skf18("9","6","9","5","6","5","1") = "8"
    & skf18("9","6","9","5","6","6","1") = "8"
    & skf18("9","6","9","5","6","7","1") = "8"
    & skf18("9","6","9","5","6","8","1") = "8"
    & skf18("9","6","9","5","6","9","1") = "8"
    & skf18("9","6","9","5","6","10","1") = "9"
    & skf18("9","6","9","5","7","1","1") = "8"
    & skf18("9","6","9","5","7","2","1") = "8"
    & skf18("9","6","9","5","7","3","1") = "8"
    & skf18("9","6","9","5","7","4","1") = "8"
    & skf18("9","6","9","5","7","5","1") = "8"
    & skf18("9","6","9","5","7","6","1") = "8"
    & skf18("9","6","9","5","7","7","1") = "8"
    & skf18("9","6","9","5","7","8","1") = "8"
    & skf18("9","6","9","5","7","9","1") = "8"
    & skf18("9","6","9","5","7","10","1") = "9"
    & skf18("9","6","9","5","8","1","1") = "8"
    & skf18("9","6","9","5","8","2","1") = "8"
    & skf18("9","6","9","5","8","3","1") = "8"
    & skf18("9","6","9","5","8","4","1") = "8"
    & skf18("9","6","9","5","8","5","1") = "8"
    & skf18("9","6","9","5","8","6","1") = "8"
    & skf18("9","6","9","5","8","7","1") = "8"
    & skf18("9","6","9","5","8","8","1") = "8"
    & skf18("9","6","9","5","8","9","1") = "8"
    & skf18("9","6","9","5","8","10","1") = "9"
    & skf18("9","6","9","5","9","1","1") = "8"
    & skf18("9","6","9","5","9","2","1") = "8"
    & skf18("9","6","9","5","9","3","1") = "8"
    & skf18("9","6","9","5","9","4","1") = "8"
    & skf18("9","6","9","5","9","5","1") = "8"
    & skf18("9","6","9","5","9","6","1") = "8"
    & skf18("9","6","9","5","9","7","1") = "8"
    & skf18("9","6","9","5","9","8","1") = "8"
    & skf18("9","6","9","5","9","9","1") = "8"
    & skf18("9","6","9","5","9","10","1") = "9"
    & skf18("9","6","9","5","10","1","1") = "9"
    & skf18("9","6","9","5","10","2","1") = "9"
    & skf18("9","6","9","5","10","3","1") = "9"
    & skf18("9","6","9","5","10","4","1") = "9"
    & skf18("9","6","9","5","10","5","1") = "9"
    & skf18("9","6","9","5","10","6","1") = "9"
    & skf18("9","6","9","5","10","7","1") = "9"
    & skf18("9","6","9","5","10","8","1") = "9"
    & skf18("9","6","9","5","10","9","1") = "9"
    & skf18("9","6","9","5","10","10","1") = "9"
    & skf18("9","6","9","6","1","1","1") = "8"
    & skf18("9","6","9","6","1","2","1") = "8"
    & skf18("9","6","9","6","1","3","1") = "8"
    & skf18("9","6","9","6","1","4","1") = "8"
    & skf18("9","6","9","6","1","5","1") = "8"
    & skf18("9","6","9","6","1","6","1") = "8"
    & skf18("9","6","9","6","1","7","1") = "8"
    & skf18("9","6","9","6","1","8","1") = "8"
    & skf18("9","6","9","6","1","9","1") = "8"
    & skf18("9","6","9","6","1","10","1") = "9"
    & skf18("9","6","9","6","2","1","1") = "8"
    & skf18("9","6","9","6","2","2","1") = "8"
    & skf18("9","6","9","6","2","3","1") = "8"
    & skf18("9","6","9","6","2","4","1") = "8"
    & skf18("9","6","9","6","2","5","1") = "8"
    & skf18("9","6","9","6","2","6","1") = "8"
    & skf18("9","6","9","6","2","7","1") = "8"
    & skf18("9","6","9","6","2","8","1") = "8"
    & skf18("9","6","9","6","2","9","1") = "8"
    & skf18("9","6","9","6","2","10","1") = "9"
    & skf18("9","6","9","6","3","1","1") = "8"
    & skf18("9","6","9","6","3","2","1") = "8"
    & skf18("9","6","9","6","3","3","1") = "8"
    & skf18("9","6","9","6","3","4","1") = "8"
    & skf18("9","6","9","6","3","5","1") = "8"
    & skf18("9","6","9","6","3","6","1") = "8"
    & skf18("9","6","9","6","3","7","1") = "8"
    & skf18("9","6","9","6","3","8","1") = "8"
    & skf18("9","6","9","6","3","9","1") = "8"
    & skf18("9","6","9","6","3","10","1") = "9"
    & skf18("9","6","9","6","4","1","1") = "8"
    & skf18("9","6","9","6","4","2","1") = "8"
    & skf18("9","6","9","6","4","3","1") = "8"
    & skf18("9","6","9","6","4","4","1") = "8"
    & skf18("9","6","9","6","4","5","1") = "8"
    & skf18("9","6","9","6","4","6","1") = "8"
    & skf18("9","6","9","6","4","7","1") = "8"
    & skf18("9","6","9","6","4","8","1") = "8"
    & skf18("9","6","9","6","4","9","1") = "8"
    & skf18("9","6","9","6","4","10","1") = "9"
    & skf18("9","6","9","6","5","1","1") = "8"
    & skf18("9","6","9","6","5","2","1") = "8"
    & skf18("9","6","9","6","5","3","1") = "8"
    & skf18("9","6","9","6","5","4","1") = "8"
    & skf18("9","6","9","6","5","5","1") = "8"
    & skf18("9","6","9","6","5","6","1") = "8"
    & skf18("9","6","9","6","5","7","1") = "8"
    & skf18("9","6","9","6","5","8","1") = "8"
    & skf18("9","6","9","6","5","9","1") = "8"
    & skf18("9","6","9","6","5","10","1") = "9"
    & skf18("9","6","9","6","6","1","1") = "8"
    & skf18("9","6","9","6","6","2","1") = "8"
    & skf18("9","6","9","6","6","3","1") = "8"
    & skf18("9","6","9","6","6","4","1") = "8"
    & skf18("9","6","9","6","6","5","1") = "8"
    & skf18("9","6","9","6","6","6","1") = "8"
    & skf18("9","6","9","6","6","7","1") = "8"
    & skf18("9","6","9","6","6","8","1") = "8"
    & skf18("9","6","9","6","6","9","1") = "8"
    & skf18("9","6","9","6","6","10","1") = "9"
    & skf18("9","6","9","6","7","1","1") = "8"
    & skf18("9","6","9","6","7","2","1") = "8"
    & skf18("9","6","9","6","7","3","1") = "8"
    & skf18("9","6","9","6","7","4","1") = "8"
    & skf18("9","6","9","6","7","5","1") = "8"
    & skf18("9","6","9","6","7","6","1") = "8"
    & skf18("9","6","9","6","7","7","1") = "8"
    & skf18("9","6","9","6","7","8","1") = "8"
    & skf18("9","6","9","6","7","9","1") = "8"
    & skf18("9","6","9","6","7","10","1") = "9"
    & skf18("9","6","9","6","8","1","1") = "8"
    & skf18("9","6","9","6","8","2","1") = "8"
    & skf18("9","6","9","6","8","3","1") = "8"
    & skf18("9","6","9","6","8","4","1") = "8"
    & skf18("9","6","9","6","8","5","1") = "8"
    & skf18("9","6","9","6","8","6","1") = "8"
    & skf18("9","6","9","6","8","7","1") = "8"
    & skf18("9","6","9","6","8","8","1") = "8"
    & skf18("9","6","9","6","8","9","1") = "8"
    & skf18("9","6","9","6","8","10","1") = "9"
    & skf18("9","6","9","6","9","1","1") = "8"
    & skf18("9","6","9","6","9","2","1") = "8"
    & skf18("9","6","9","6","9","3","1") = "8"
    & skf18("9","6","9","6","9","4","1") = "8"
    & skf18("9","6","9","6","9","5","1") = "8"
    & skf18("9","6","9","6","9","6","1") = "8"
    & skf18("9","6","9","6","9","7","1") = "8"
    & skf18("9","6","9","6","9","8","1") = "8"
    & skf18("9","6","9","6","9","9","1") = "8"
    & skf18("9","6","9","6","9","10","1") = "9"
    & skf18("9","6","9","6","10","1","1") = "9"
    & skf18("9","6","9","6","10","2","1") = "9"
    & skf18("9","6","9","6","10","3","1") = "9"
    & skf18("9","6","9","6","10","4","1") = "9"
    & skf18("9","6","9","6","10","5","1") = "9"
    & skf18("9","6","9","6","10","6","1") = "9"
    & skf18("9","6","9","6","10","7","1") = "9"
    & skf18("9","6","9","6","10","8","1") = "9"
    & skf18("9","6","9","6","10","9","1") = "9"
    & skf18("9","6","9","6","10","10","1") = "9"
    & skf18("9","6","9","7","1","1","1") = "8"
    & skf18("9","6","9","7","1","2","1") = "8"
    & skf18("9","6","9","7","1","3","1") = "8"
    & skf18("9","6","9","7","1","4","1") = "8"
    & skf18("9","6","9","7","1","5","1") = "8"
    & skf18("9","6","9","7","1","6","1") = "8"
    & skf18("9","6","9","7","1","7","1") = "8"
    & skf18("9","6","9","7","1","8","1") = "8"
    & skf18("9","6","9","7","1","9","1") = "8"
    & skf18("9","6","9","7","1","10","1") = "9"
    & skf18("9","6","9","7","2","1","1") = "8"
    & skf18("9","6","9","7","2","2","1") = "8"
    & skf18("9","6","9","7","2","3","1") = "8"
    & skf18("9","6","9","7","2","4","1") = "8"
    & skf18("9","6","9","7","2","5","1") = "8"
    & skf18("9","6","9","7","2","6","1") = "8"
    & skf18("9","6","9","7","2","7","1") = "8"
    & skf18("9","6","9","7","2","8","1") = "8"
    & skf18("9","6","9","7","2","9","1") = "8"
    & skf18("9","6","9","7","2","10","1") = "9"
    & skf18("9","6","9","7","3","1","1") = "8"
    & skf18("9","6","9","7","3","2","1") = "8"
    & skf18("9","6","9","7","3","3","1") = "8"
    & skf18("9","6","9","7","3","4","1") = "8"
    & skf18("9","6","9","7","3","5","1") = "8"
    & skf18("9","6","9","7","3","6","1") = "8"
    & skf18("9","6","9","7","3","7","1") = "8"
    & skf18("9","6","9","7","3","8","1") = "8"
    & skf18("9","6","9","7","3","9","1") = "8"
    & skf18("9","6","9","7","3","10","1") = "9"
    & skf18("9","6","9","7","4","1","1") = "8"
    & skf18("9","6","9","7","4","2","1") = "8"
    & skf18("9","6","9","7","4","3","1") = "8"
    & skf18("9","6","9","7","4","4","1") = "8"
    & skf18("9","6","9","7","4","5","1") = "8"
    & skf18("9","6","9","7","4","6","1") = "8"
    & skf18("9","6","9","7","4","7","1") = "8"
    & skf18("9","6","9","7","4","8","1") = "8"
    & skf18("9","6","9","7","4","9","1") = "8"
    & skf18("9","6","9","7","4","10","1") = "9"
    & skf18("9","6","9","7","5","1","1") = "8"
    & skf18("9","6","9","7","5","2","1") = "8"
    & skf18("9","6","9","7","5","3","1") = "8"
    & skf18("9","6","9","7","5","4","1") = "8"
    & skf18("9","6","9","7","5","5","1") = "8"
    & skf18("9","6","9","7","5","6","1") = "8"
    & skf18("9","6","9","7","5","7","1") = "8"
    & skf18("9","6","9","7","5","8","1") = "8"
    & skf18("9","6","9","7","5","9","1") = "8"
    & skf18("9","6","9","7","5","10","1") = "9"
    & skf18("9","6","9","7","6","1","1") = "8"
    & skf18("9","6","9","7","6","2","1") = "8"
    & skf18("9","6","9","7","6","3","1") = "8"
    & skf18("9","6","9","7","6","4","1") = "8"
    & skf18("9","6","9","7","6","5","1") = "8"
    & skf18("9","6","9","7","6","6","1") = "8"
    & skf18("9","6","9","7","6","7","1") = "8"
    & skf18("9","6","9","7","6","8","1") = "8"
    & skf18("9","6","9","7","6","9","1") = "8"
    & skf18("9","6","9","7","6","10","1") = "9"
    & skf18("9","6","9","7","7","1","1") = "8"
    & skf18("9","6","9","7","7","2","1") = "8"
    & skf18("9","6","9","7","7","3","1") = "8"
    & skf18("9","6","9","7","7","4","1") = "8"
    & skf18("9","6","9","7","7","5","1") = "8"
    & skf18("9","6","9","7","7","6","1") = "8"
    & skf18("9","6","9","7","7","7","1") = "8"
    & skf18("9","6","9","7","7","8","1") = "8"
    & skf18("9","6","9","7","7","9","1") = "8"
    & skf18("9","6","9","7","7","10","1") = "9"
    & skf18("9","6","9","7","8","1","1") = "8"
    & skf18("9","6","9","7","8","2","1") = "8"
    & skf18("9","6","9","7","8","3","1") = "8"
    & skf18("9","6","9","7","8","4","1") = "8"
    & skf18("9","6","9","7","8","5","1") = "8"
    & skf18("9","6","9","7","8","6","1") = "8"
    & skf18("9","6","9","7","8","7","1") = "8"
    & skf18("9","6","9","7","8","8","1") = "8"
    & skf18("9","6","9","7","8","9","1") = "8"
    & skf18("9","6","9","7","8","10","1") = "9"
    & skf18("9","6","9","7","9","1","1") = "8"
    & skf18("9","6","9","7","9","2","1") = "8"
    & skf18("9","6","9","7","9","3","1") = "8"
    & skf18("9","6","9","7","9","4","1") = "8"
    & skf18("9","6","9","7","9","5","1") = "8"
    & skf18("9","6","9","7","9","6","1") = "8"
    & skf18("9","6","9","7","9","7","1") = "8"
    & skf18("9","6","9","7","9","8","1") = "8"
    & skf18("9","6","9","7","9","9","1") = "8"
    & skf18("9","6","9","7","9","10","1") = "9"
    & skf18("9","6","9","7","10","1","1") = "9"
    & skf18("9","6","9","7","10","2","1") = "9"
    & skf18("9","6","9","7","10","3","1") = "9"
    & skf18("9","6","9","7","10","4","1") = "9"
    & skf18("9","6","9","7","10","5","1") = "9"
    & skf18("9","6","9","7","10","6","1") = "9"
    & skf18("9","6","9","7","10","7","1") = "9"
    & skf18("9","6","9","7","10","8","1") = "9"
    & skf18("9","6","9","7","10","9","1") = "9"
    & skf18("9","6","9","7","10","10","1") = "9"
    & skf18("9","6","9","8","1","1","1") = "8"
    & skf18("9","6","9","8","1","2","1") = "8"
    & skf18("9","6","9","8","1","3","1") = "8"
    & skf18("9","6","9","8","1","4","1") = "8"
    & skf18("9","6","9","8","1","5","1") = "8"
    & skf18("9","6","9","8","1","6","1") = "8"
    & skf18("9","6","9","8","1","7","1") = "8"
    & skf18("9","6","9","8","1","8","1") = "8"
    & skf18("9","6","9","8","1","9","1") = "8"
    & skf18("9","6","9","8","1","10","1") = "9"
    & skf18("9","6","9","8","2","1","1") = "8"
    & skf18("9","6","9","8","2","2","1") = "8"
    & skf18("9","6","9","8","2","3","1") = "8"
    & skf18("9","6","9","8","2","4","1") = "8"
    & skf18("9","6","9","8","2","5","1") = "8"
    & skf18("9","6","9","8","2","6","1") = "8"
    & skf18("9","6","9","8","2","7","1") = "8"
    & skf18("9","6","9","8","2","8","1") = "8"
    & skf18("9","6","9","8","2","9","1") = "8"
    & skf18("9","6","9","8","2","10","1") = "9"
    & skf18("9","6","9","8","3","1","1") = "8"
    & skf18("9","6","9","8","3","2","1") = "8"
    & skf18("9","6","9","8","3","3","1") = "8"
    & skf18("9","6","9","8","3","4","1") = "8"
    & skf18("9","6","9","8","3","5","1") = "8"
    & skf18("9","6","9","8","3","6","1") = "8"
    & skf18("9","6","9","8","3","7","1") = "8"
    & skf18("9","6","9","8","3","8","1") = "8"
    & skf18("9","6","9","8","3","9","1") = "8"
    & skf18("9","6","9","8","3","10","1") = "9"
    & skf18("9","6","9","8","4","1","1") = "8"
    & skf18("9","6","9","8","4","2","1") = "8"
    & skf18("9","6","9","8","4","3","1") = "8"
    & skf18("9","6","9","8","4","4","1") = "8"
    & skf18("9","6","9","8","4","5","1") = "8"
    & skf18("9","6","9","8","4","6","1") = "8"
    & skf18("9","6","9","8","4","7","1") = "8"
    & skf18("9","6","9","8","4","8","1") = "8"
    & skf18("9","6","9","8","4","9","1") = "8"
    & skf18("9","6","9","8","4","10","1") = "9"
    & skf18("9","6","9","8","5","1","1") = "8"
    & skf18("9","6","9","8","5","2","1") = "8"
    & skf18("9","6","9","8","5","3","1") = "8"
    & skf18("9","6","9","8","5","4","1") = "8"
    & skf18("9","6","9","8","5","5","1") = "8"
    & skf18("9","6","9","8","5","6","1") = "8"
    & skf18("9","6","9","8","5","7","1") = "8"
    & skf18("9","6","9","8","5","8","1") = "8"
    & skf18("9","6","9","8","5","9","1") = "8"
    & skf18("9","6","9","8","5","10","1") = "9"
    & skf18("9","6","9","8","6","1","1") = "8"
    & skf18("9","6","9","8","6","2","1") = "8"
    & skf18("9","6","9","8","6","3","1") = "8"
    & skf18("9","6","9","8","6","4","1") = "8"
    & skf18("9","6","9","8","6","5","1") = "8"
    & skf18("9","6","9","8","6","6","1") = "8"
    & skf18("9","6","9","8","6","7","1") = "8"
    & skf18("9","6","9","8","6","8","1") = "8"
    & skf18("9","6","9","8","6","9","1") = "8"
    & skf18("9","6","9","8","6","10","1") = "9"
    & skf18("9","6","9","8","7","1","1") = "8"
    & skf18("9","6","9","8","7","2","1") = "8"
    & skf18("9","6","9","8","7","3","1") = "8"
    & skf18("9","6","9","8","7","4","1") = "8"
    & skf18("9","6","9","8","7","5","1") = "8"
    & skf18("9","6","9","8","7","6","1") = "8"
    & skf18("9","6","9","8","7","7","1") = "8"
    & skf18("9","6","9","8","7","8","1") = "8"
    & skf18("9","6","9","8","7","9","1") = "8"
    & skf18("9","6","9","8","7","10","1") = "9"
    & skf18("9","6","9","8","8","1","1") = "8"
    & skf18("9","6","9","8","8","2","1") = "8"
    & skf18("9","6","9","8","8","3","1") = "8"
    & skf18("9","6","9","8","8","4","1") = "8"
    & skf18("9","6","9","8","8","5","1") = "8"
    & skf18("9","6","9","8","8","6","1") = "8"
    & skf18("9","6","9","8","8","7","1") = "8"
    & skf18("9","6","9","8","8","8","1") = "8"
    & skf18("9","6","9","8","8","9","1") = "8"
    & skf18("9","6","9","8","8","10","1") = "9"
    & skf18("9","6","9","8","9","1","1") = "8"
    & skf18("9","6","9","8","9","2","1") = "8"
    & skf18("9","6","9","8","9","3","1") = "8"
    & skf18("9","6","9","8","9","4","1") = "8"
    & skf18("9","6","9","8","9","5","1") = "8"
    & skf18("9","6","9","8","9","6","1") = "8"
    & skf18("9","6","9","8","9","7","1") = "8"
    & skf18("9","6","9","8","9","8","1") = "8"
    & skf18("9","6","9","8","9","9","1") = "8"
    & skf18("9","6","9","8","9","10","1") = "9"
    & skf18("9","6","9","8","10","1","1") = "9"
    & skf18("9","6","9","8","10","2","1") = "9"
    & skf18("9","6","9","8","10","3","1") = "9"
    & skf18("9","6","9","8","10","4","1") = "9"
    & skf18("9","6","9","8","10","5","1") = "9"
    & skf18("9","6","9","8","10","6","1") = "9"
    & skf18("9","6","9","8","10","7","1") = "9"
    & skf18("9","6","9","8","10","8","1") = "9"
    & skf18("9","6","9","8","10","9","1") = "9"
    & skf18("9","6","9","8","10","10","1") = "9"
    & skf18("9","6","9","9","1","1","1") = "8"
    & skf18("9","6","9","9","1","2","1") = "8"
    & skf18("9","6","9","9","1","3","1") = "8"
    & skf18("9","6","9","9","1","4","1") = "8"
    & skf18("9","6","9","9","1","5","1") = "8"
    & skf18("9","6","9","9","1","6","1") = "8"
    & skf18("9","6","9","9","1","7","1") = "8"
    & skf18("9","6","9","9","1","8","1") = "8"
    & skf18("9","6","9","9","1","9","1") = "8"
    & skf18("9","6","9","9","1","10","1") = "9"
    & skf18("9","6","9","9","2","1","1") = "8"
    & skf18("9","6","9","9","2","2","1") = "8"
    & skf18("9","6","9","9","2","3","1") = "8"
    & skf18("9","6","9","9","2","4","1") = "8"
    & skf18("9","6","9","9","2","5","1") = "8"
    & skf18("9","6","9","9","2","6","1") = "8"
    & skf18("9","6","9","9","2","7","1") = "8"
    & skf18("9","6","9","9","2","8","1") = "8"
    & skf18("9","6","9","9","2","9","1") = "8"
    & skf18("9","6","9","9","2","10","1") = "9"
    & skf18("9","6","9","9","3","1","1") = "8"
    & skf18("9","6","9","9","3","2","1") = "8"
    & skf18("9","6","9","9","3","3","1") = "8"
    & skf18("9","6","9","9","3","4","1") = "8"
    & skf18("9","6","9","9","3","5","1") = "8"
    & skf18("9","6","9","9","3","6","1") = "8"
    & skf18("9","6","9","9","3","7","1") = "8"
    & skf18("9","6","9","9","3","8","1") = "8"
    & skf18("9","6","9","9","3","9","1") = "8"
    & skf18("9","6","9","9","3","10","1") = "9"
    & skf18("9","6","9","9","4","1","1") = "8"
    & skf18("9","6","9","9","4","2","1") = "8"
    & skf18("9","6","9","9","4","3","1") = "8"
    & skf18("9","6","9","9","4","4","1") = "8"
    & skf18("9","6","9","9","4","5","1") = "8"
    & skf18("9","6","9","9","4","6","1") = "8"
    & skf18("9","6","9","9","4","7","1") = "8"
    & skf18("9","6","9","9","4","8","1") = "8"
    & skf18("9","6","9","9","4","9","1") = "8"
    & skf18("9","6","9","9","4","10","1") = "9"
    & skf18("9","6","9","9","5","1","1") = "8"
    & skf18("9","6","9","9","5","2","1") = "8"
    & skf18("9","6","9","9","5","3","1") = "8"
    & skf18("9","6","9","9","5","4","1") = "8"
    & skf18("9","6","9","9","5","5","1") = "8"
    & skf18("9","6","9","9","5","6","1") = "8"
    & skf18("9","6","9","9","5","7","1") = "8"
    & skf18("9","6","9","9","5","8","1") = "8"
    & skf18("9","6","9","9","5","9","1") = "8"
    & skf18("9","6","9","9","5","10","1") = "9"
    & skf18("9","6","9","9","6","1","1") = "8"
    & skf18("9","6","9","9","6","2","1") = "8"
    & skf18("9","6","9","9","6","3","1") = "8"
    & skf18("9","6","9","9","6","4","1") = "8"
    & skf18("9","6","9","9","6","5","1") = "8"
    & skf18("9","6","9","9","6","6","1") = "8"
    & skf18("9","6","9","9","6","7","1") = "8"
    & skf18("9","6","9","9","6","8","1") = "8"
    & skf18("9","6","9","9","6","9","1") = "8"
    & skf18("9","6","9","9","6","10","1") = "9"
    & skf18("9","6","9","9","7","1","1") = "8"
    & skf18("9","6","9","9","7","2","1") = "8"
    & skf18("9","6","9","9","7","3","1") = "8"
    & skf18("9","6","9","9","7","4","1") = "8"
    & skf18("9","6","9","9","7","5","1") = "8"
    & skf18("9","6","9","9","7","6","1") = "8"
    & skf18("9","6","9","9","7","7","1") = "8"
    & skf18("9","6","9","9","7","8","1") = "8"
    & skf18("9","6","9","9","7","9","1") = "8"
    & skf18("9","6","9","9","7","10","1") = "9"
    & skf18("9","6","9","9","8","1","1") = "8"
    & skf18("9","6","9","9","8","2","1") = "8"
    & skf18("9","6","9","9","8","3","1") = "8"
    & skf18("9","6","9","9","8","4","1") = "8"
    & skf18("9","6","9","9","8","5","1") = "8"
    & skf18("9","6","9","9","8","6","1") = "8"
    & skf18("9","6","9","9","8","7","1") = "8"
    & skf18("9","6","9","9","8","8","1") = "8"
    & skf18("9","6","9","9","8","9","1") = "8"
    & skf18("9","6","9","9","8","10","1") = "9"
    & skf18("9","6","9","9","9","1","1") = "8"
    & skf18("9","6","9","9","9","2","1") = "8"
    & skf18("9","6","9","9","9","3","1") = "8"
    & skf18("9","6","9","9","9","4","1") = "8"
    & skf18("9","6","9","9","9","5","1") = "8"
    & skf18("9","6","9","9","9","6","1") = "8"
    & skf18("9","6","9","9","9","7","1") = "8"
    & skf18("9","6","9","9","9","8","1") = "8"
    & skf18("9","6","9","9","9","9","1") = "8"
    & skf18("9","6","9","9","9","10","1") = "9"
    & skf18("9","6","9","9","10","1","1") = "9"
    & skf18("9","6","9","9","10","2","1") = "9"
    & skf18("9","6","9","9","10","3","1") = "9"
    & skf18("9","6","9","9","10","4","1") = "9"
    & skf18("9","6","9","9","10","5","1") = "9"
    & skf18("9","6","9","9","10","6","1") = "9"
    & skf18("9","6","9","9","10","7","1") = "9"
    & skf18("9","6","9","9","10","8","1") = "9"
    & skf18("9","6","9","9","10","9","1") = "9"
    & skf18("9","6","9","9","10","10","1") = "9"
    & skf18("9","6","9","10","1","1","1") = "9"
    & skf18("9","6","9","10","1","2","1") = "9"
    & skf18("9","6","9","10","1","3","1") = "9"
    & skf18("9","6","9","10","1","4","1") = "9"
    & skf18("9","6","9","10","1","5","1") = "9"
    & skf18("9","6","9","10","1","6","1") = "9"
    & skf18("9","6","9","10","1","7","1") = "9"
    & skf18("9","6","9","10","1","8","1") = "9"
    & skf18("9","6","9","10","1","9","1") = "9"
    & skf18("9","6","9","10","1","10","1") = "9"
    & skf18("9","6","9","10","2","1","1") = "9"
    & skf18("9","6","9","10","2","2","1") = "9"
    & skf18("9","6","9","10","2","3","1") = "9"
    & skf18("9","6","9","10","2","4","1") = "9"
    & skf18("9","6","9","10","2","5","1") = "9"
    & skf18("9","6","9","10","2","6","1") = "9"
    & skf18("9","6","9","10","2","7","1") = "9"
    & skf18("9","6","9","10","2","8","1") = "9"
    & skf18("9","6","9","10","2","9","1") = "9"
    & skf18("9","6","9","10","2","10","1") = "9"
    & skf18("9","6","9","10","3","1","1") = "9"
    & skf18("9","6","9","10","3","2","1") = "9"
    & skf18("9","6","9","10","3","3","1") = "9"
    & skf18("9","6","9","10","3","4","1") = "9"
    & skf18("9","6","9","10","3","5","1") = "9"
    & skf18("9","6","9","10","3","6","1") = "9"
    & skf18("9","6","9","10","3","7","1") = "9"
    & skf18("9","6","9","10","3","8","1") = "9"
    & skf18("9","6","9","10","3","9","1") = "9"
    & skf18("9","6","9","10","3","10","1") = "9"
    & skf18("9","6","9","10","4","1","1") = "9"
    & skf18("9","6","9","10","4","2","1") = "9"
    & skf18("9","6","9","10","4","3","1") = "9"
    & skf18("9","6","9","10","4","4","1") = "9"
    & skf18("9","6","9","10","4","5","1") = "9"
    & skf18("9","6","9","10","4","6","1") = "9"
    & skf18("9","6","9","10","4","7","1") = "9"
    & skf18("9","6","9","10","4","8","1") = "9"
    & skf18("9","6","9","10","4","9","1") = "9"
    & skf18("9","6","9","10","4","10","1") = "9"
    & skf18("9","6","9","10","5","1","1") = "9"
    & skf18("9","6","9","10","5","2","1") = "9"
    & skf18("9","6","9","10","5","3","1") = "9"
    & skf18("9","6","9","10","5","4","1") = "9"
    & skf18("9","6","9","10","5","5","1") = "9"
    & skf18("9","6","9","10","5","6","1") = "9"
    & skf18("9","6","9","10","5","7","1") = "9"
    & skf18("9","6","9","10","5","8","1") = "9"
    & skf18("9","6","9","10","5","9","1") = "9"
    & skf18("9","6","9","10","5","10","1") = "9"
    & skf18("9","6","9","10","6","1","1") = "9"
    & skf18("9","6","9","10","6","2","1") = "9"
    & skf18("9","6","9","10","6","3","1") = "9"
    & skf18("9","6","9","10","6","4","1") = "9"
    & skf18("9","6","9","10","6","5","1") = "9"
    & skf18("9","6","9","10","6","6","1") = "9"
    & skf18("9","6","9","10","6","7","1") = "9"
    & skf18("9","6","9","10","6","8","1") = "9"
    & skf18("9","6","9","10","6","9","1") = "9"
    & skf18("9","6","9","10","6","10","1") = "9"
    & skf18("9","6","9","10","7","1","1") = "9"
    & skf18("9","6","9","10","7","2","1") = "9"
    & skf18("9","6","9","10","7","3","1") = "9"
    & skf18("9","6","9","10","7","4","1") = "9"
    & skf18("9","6","9","10","7","5","1") = "9"
    & skf18("9","6","9","10","7","6","1") = "9"
    & skf18("9","6","9","10","7","7","1") = "9"
    & skf18("9","6","9","10","7","8","1") = "9"
    & skf18("9","6","9","10","7","9","1") = "9"
    & skf18("9","6","9","10","7","10","1") = "9"
    & skf18("9","6","9","10","8","1","1") = "9"
    & skf18("9","6","9","10","8","2","1") = "9"
    & skf18("9","6","9","10","8","3","1") = "9"
    & skf18("9","6","9","10","8","4","1") = "9"
    & skf18("9","6","9","10","8","5","1") = "9"
    & skf18("9","6","9","10","8","6","1") = "9"
    & skf18("9","6","9","10","8","7","1") = "9"
    & skf18("9","6","9","10","8","8","1") = "9"
    & skf18("9","6","9","10","8","9","1") = "9"
    & skf18("9","6","9","10","8","10","1") = "9"
    & skf18("9","6","9","10","9","1","1") = "9"
    & skf18("9","6","9","10","9","2","1") = "9"
    & skf18("9","6","9","10","9","3","1") = "9"
    & skf18("9","6","9","10","9","4","1") = "9"
    & skf18("9","6","9","10","9","5","1") = "9"
    & skf18("9","6","9","10","9","6","1") = "9"
    & skf18("9","6","9","10","9","7","1") = "9"
    & skf18("9","6","9","10","9","8","1") = "9"
    & skf18("9","6","9","10","9","9","1") = "9"
    & skf18("9","6","9","10","9","10","1") = "9"
    & skf18("9","6","9","10","10","1","1") = "9"
    & skf18("9","6","9","10","10","2","1") = "9"
    & skf18("9","6","9","10","10","3","1") = "9"
    & skf18("9","6","9","10","10","4","1") = "9"
    & skf18("9","6","9","10","10","5","1") = "9"
    & skf18("9","6","9","10","10","6","1") = "9"
    & skf18("9","6","9","10","10","7","1") = "9"
    & skf18("9","6","9","10","10","8","1") = "9"
    & skf18("9","6","9","10","10","9","1") = "9"
    & skf18("9","6","9","10","10","10","1") = "9"
    & skf18("9","6","10","1","1","1","1") = "9"
    & skf18("9","6","10","1","1","2","1") = "9"
    & skf18("9","6","10","1","1","3","1") = "9"
    & skf18("9","6","10","1","1","4","1") = "9"
    & skf18("9","6","10","1","1","5","1") = "9"
    & skf18("9","6","10","1","1","6","1") = "9"
    & skf18("9","6","10","1","1","7","1") = "9"
    & skf18("9","6","10","1","1","8","1") = "9"
    & skf18("9","6","10","1","1","9","1") = "9"
    & skf18("9","6","10","1","1","10","1") = "9"
    & skf18("9","6","10","1","2","1","1") = "9"
    & skf18("9","6","10","1","2","2","1") = "9"
    & skf18("9","6","10","1","2","3","1") = "9"
    & skf18("9","6","10","1","2","4","1") = "9"
    & skf18("9","6","10","1","2","5","1") = "9"
    & skf18("9","6","10","1","2","6","1") = "9"
    & skf18("9","6","10","1","2","7","1") = "9"
    & skf18("9","6","10","1","2","8","1") = "9"
    & skf18("9","6","10","1","2","9","1") = "9"
    & skf18("9","6","10","1","2","10","1") = "9"
    & skf18("9","6","10","1","3","1","1") = "9"
    & skf18("9","6","10","1","3","2","1") = "9"
    & skf18("9","6","10","1","3","3","1") = "9"
    & skf18("9","6","10","1","3","4","1") = "9"
    & skf18("9","6","10","1","3","5","1") = "9"
    & skf18("9","6","10","1","3","6","1") = "9"
    & skf18("9","6","10","1","3","7","1") = "9"
    & skf18("9","6","10","1","3","8","1") = "9"
    & skf18("9","6","10","1","3","9","1") = "9"
    & skf18("9","6","10","1","3","10","1") = "9"
    & skf18("9","6","10","1","4","1","1") = "9"
    & skf18("9","6","10","1","4","2","1") = "9"
    & skf18("9","6","10","1","4","3","1") = "9"
    & skf18("9","6","10","1","4","4","1") = "9"
    & skf18("9","6","10","1","4","5","1") = "9"
    & skf18("9","6","10","1","4","6","1") = "9"
    & skf18("9","6","10","1","4","7","1") = "9"
    & skf18("9","6","10","1","4","8","1") = "9"
    & skf18("9","6","10","1","4","9","1") = "9"
    & skf18("9","6","10","1","4","10","1") = "9"
    & skf18("9","6","10","1","5","1","1") = "9"
    & skf18("9","6","10","1","5","2","1") = "9"
    & skf18("9","6","10","1","5","3","1") = "9"
    & skf18("9","6","10","1","5","4","1") = "9"
    & skf18("9","6","10","1","5","5","1") = "9"
    & skf18("9","6","10","1","5","6","1") = "9"
    & skf18("9","6","10","1","5","7","1") = "9"
    & skf18("9","6","10","1","5","8","1") = "9"
    & skf18("9","6","10","1","5","9","1") = "9"
    & skf18("9","6","10","1","5","10","1") = "9"
    & skf18("9","6","10","1","6","1","1") = "9"
    & skf18("9","6","10","1","6","2","1") = "9"
    & skf18("9","6","10","1","6","3","1") = "9"
    & skf18("9","6","10","1","6","4","1") = "9"
    & skf18("9","6","10","1","6","5","1") = "9"
    & skf18("9","6","10","1","6","6","1") = "9"
    & skf18("9","6","10","1","6","7","1") = "9"
    & skf18("9","6","10","1","6","8","1") = "9"
    & skf18("9","6","10","1","6","9","1") = "9"
    & skf18("9","6","10","1","6","10","1") = "9"
    & skf18("9","6","10","1","7","1","1") = "9"
    & skf18("9","6","10","1","7","2","1") = "9"
    & skf18("9","6","10","1","7","3","1") = "9"
    & skf18("9","6","10","1","7","4","1") = "9"
    & skf18("9","6","10","1","7","5","1") = "9"
    & skf18("9","6","10","1","7","6","1") = "9"
    & skf18("9","6","10","1","7","7","1") = "9"
    & skf18("9","6","10","1","7","8","1") = "9"
    & skf18("9","6","10","1","7","9","1") = "9"
    & skf18("9","6","10","1","7","10","1") = "9"
    & skf18("9","6","10","1","8","1","1") = "9"
    & skf18("9","6","10","1","8","2","1") = "9"
    & skf18("9","6","10","1","8","3","1") = "9"
    & skf18("9","6","10","1","8","4","1") = "9"
    & skf18("9","6","10","1","8","5","1") = "9"
    & skf18("9","6","10","1","8","6","1") = "9"
    & skf18("9","6","10","1","8","7","1") = "9"
    & skf18("9","6","10","1","8","8","1") = "9"
    & skf18("9","6","10","1","8","9","1") = "9"
    & skf18("9","6","10","1","8","10","1") = "9"
    & skf18("9","6","10","1","9","1","1") = "9"
    & skf18("9","6","10","1","9","2","1") = "9"
    & skf18("9","6","10","1","9","3","1") = "9"
    & skf18("9","6","10","1","9","4","1") = "9"
    & skf18("9","6","10","1","9","5","1") = "9"
    & skf18("9","6","10","1","9","6","1") = "9"
    & skf18("9","6","10","1","9","7","1") = "9"
    & skf18("9","6","10","1","9","8","1") = "9"
    & skf18("9","6","10","1","9","9","1") = "9"
    & skf18("9","6","10","1","9","10","1") = "9"
    & skf18("9","6","10","1","10","1","1") = "9"
    & skf18("9","6","10","1","10","2","1") = "9"
    & skf18("9","6","10","1","10","3","1") = "9"
    & skf18("9","6","10","1","10","4","1") = "9"
    & skf18("9","6","10","1","10","5","1") = "9"
    & skf18("9","6","10","1","10","6","1") = "9"
    & skf18("9","6","10","1","10","7","1") = "9"
    & skf18("9","6","10","1","10","8","1") = "9"
    & skf18("9","6","10","1","10","9","1") = "9"
    & skf18("9","6","10","1","10","10","1") = "9"
    & skf18("9","6","10","2","1","1","1") = "9"
    & skf18("9","6","10","2","1","2","1") = "9"
    & skf18("9","6","10","2","1","3","1") = "9"
    & skf18("9","6","10","2","1","4","1") = "9"
    & skf18("9","6","10","2","1","5","1") = "9"
    & skf18("9","6","10","2","1","6","1") = "9"
    & skf18("9","6","10","2","1","7","1") = "9"
    & skf18("9","6","10","2","1","8","1") = "9"
    & skf18("9","6","10","2","1","9","1") = "9"
    & skf18("9","6","10","2","1","10","1") = "9"
    & skf18("9","6","10","2","2","1","1") = "9"
    & skf18("9","6","10","2","2","2","1") = "9"
    & skf18("9","6","10","2","2","3","1") = "9"
    & skf18("9","6","10","2","2","4","1") = "9"
    & skf18("9","6","10","2","2","5","1") = "9"
    & skf18("9","6","10","2","2","6","1") = "9"
    & skf18("9","6","10","2","2","7","1") = "9"
    & skf18("9","6","10","2","2","8","1") = "9"
    & skf18("9","6","10","2","2","9","1") = "9"
    & skf18("9","6","10","2","2","10","1") = "9"
    & skf18("9","6","10","2","3","1","1") = "9"
    & skf18("9","6","10","2","3","2","1") = "9"
    & skf18("9","6","10","2","3","3","1") = "9"
    & skf18("9","6","10","2","3","4","1") = "9"
    & skf18("9","6","10","2","3","5","1") = "9"
    & skf18("9","6","10","2","3","6","1") = "9"
    & skf18("9","6","10","2","3","7","1") = "9"
    & skf18("9","6","10","2","3","8","1") = "9"
    & skf18("9","6","10","2","3","9","1") = "9"
    & skf18("9","6","10","2","3","10","1") = "9"
    & skf18("9","6","10","2","4","1","1") = "9"
    & skf18("9","6","10","2","4","2","1") = "9"
    & skf18("9","6","10","2","4","3","1") = "9"
    & skf18("9","6","10","2","4","4","1") = "9"
    & skf18("9","6","10","2","4","5","1") = "9"
    & skf18("9","6","10","2","4","6","1") = "9"
    & skf18("9","6","10","2","4","7","1") = "9"
    & skf18("9","6","10","2","4","8","1") = "9"
    & skf18("9","6","10","2","4","9","1") = "9"
    & skf18("9","6","10","2","4","10","1") = "9"
    & skf18("9","6","10","2","5","1","1") = "9"
    & skf18("9","6","10","2","5","2","1") = "9"
    & skf18("9","6","10","2","5","3","1") = "9"
    & skf18("9","6","10","2","5","4","1") = "9"
    & skf18("9","6","10","2","5","5","1") = "9"
    & skf18("9","6","10","2","5","6","1") = "9"
    & skf18("9","6","10","2","5","7","1") = "9"
    & skf18("9","6","10","2","5","8","1") = "9"
    & skf18("9","6","10","2","5","9","1") = "9"
    & skf18("9","6","10","2","5","10","1") = "9"
    & skf18("9","6","10","2","6","1","1") = "9"
    & skf18("9","6","10","2","6","2","1") = "9"
    & skf18("9","6","10","2","6","3","1") = "9"
    & skf18("9","6","10","2","6","4","1") = "9"
    & skf18("9","6","10","2","6","5","1") = "9"
    & skf18("9","6","10","2","6","6","1") = "9"
    & skf18("9","6","10","2","6","7","1") = "9"
    & skf18("9","6","10","2","6","8","1") = "9"
    & skf18("9","6","10","2","6","9","1") = "9"
    & skf18("9","6","10","2","6","10","1") = "9"
    & skf18("9","6","10","2","7","1","1") = "9"
    & skf18("9","6","10","2","7","2","1") = "9"
    & skf18("9","6","10","2","7","3","1") = "9"
    & skf18("9","6","10","2","7","4","1") = "9"
    & skf18("9","6","10","2","7","5","1") = "9"
    & skf18("9","6","10","2","7","6","1") = "9"
    & skf18("9","6","10","2","7","7","1") = "9"
    & skf18("9","6","10","2","7","8","1") = "9"
    & skf18("9","6","10","2","7","9","1") = "9"
    & skf18("9","6","10","2","7","10","1") = "9"
    & skf18("9","6","10","2","8","1","1") = "9"
    & skf18("9","6","10","2","8","2","1") = "9"
    & skf18("9","6","10","2","8","3","1") = "9"
    & skf18("9","6","10","2","8","4","1") = "9"
    & skf18("9","6","10","2","8","5","1") = "9"
    & skf18("9","6","10","2","8","6","1") = "9"
    & skf18("9","6","10","2","8","7","1") = "9"
    & skf18("9","6","10","2","8","8","1") = "9"
    & skf18("9","6","10","2","8","9","1") = "9"
    & skf18("9","6","10","2","8","10","1") = "9"
    & skf18("9","6","10","2","9","1","1") = "9"
    & skf18("9","6","10","2","9","2","1") = "9"
    & skf18("9","6","10","2","9","3","1") = "9"
    & skf18("9","6","10","2","9","4","1") = "9"
    & skf18("9","6","10","2","9","5","1") = "9"
    & skf18("9","6","10","2","9","6","1") = "9"
    & skf18("9","6","10","2","9","7","1") = "9"
    & skf18("9","6","10","2","9","8","1") = "9"
    & skf18("9","6","10","2","9","9","1") = "9"
    & skf18("9","6","10","2","9","10","1") = "9"
    & skf18("9","6","10","2","10","1","1") = "9"
    & skf18("9","6","10","2","10","2","1") = "9"
    & skf18("9","6","10","2","10","3","1") = "9"
    & skf18("9","6","10","2","10","4","1") = "9"
    & skf18("9","6","10","2","10","5","1") = "9"
    & skf18("9","6","10","2","10","6","1") = "9"
    & skf18("9","6","10","2","10","7","1") = "9"
    & skf18("9","6","10","2","10","8","1") = "9"
    & skf18("9","6","10","2","10","9","1") = "9"
    & skf18("9","6","10","2","10","10","1") = "9"
    & skf18("9","6","10","3","1","1","1") = "9"
    & skf18("9","6","10","3","1","2","1") = "9"
    & skf18("9","6","10","3","1","3","1") = "9"
    & skf18("9","6","10","3","1","4","1") = "9"
    & skf18("9","6","10","3","1","5","1") = "9"
    & skf18("9","6","10","3","1","6","1") = "9"
    & skf18("9","6","10","3","1","7","1") = "9"
    & skf18("9","6","10","3","1","8","1") = "9"
    & skf18("9","6","10","3","1","9","1") = "9"
    & skf18("9","6","10","3","1","10","1") = "9"
    & skf18("9","6","10","3","2","1","1") = "9"
    & skf18("9","6","10","3","2","2","1") = "9"
    & skf18("9","6","10","3","2","3","1") = "9"
    & skf18("9","6","10","3","2","4","1") = "9"
    & skf18("9","6","10","3","2","5","1") = "9"
    & skf18("9","6","10","3","2","6","1") = "9"
    & skf18("9","6","10","3","2","7","1") = "9"
    & skf18("9","6","10","3","2","8","1") = "9"
    & skf18("9","6","10","3","2","9","1") = "9"
    & skf18("9","6","10","3","2","10","1") = "9"
    & skf18("9","6","10","3","3","1","1") = "9"
    & skf18("9","6","10","3","3","2","1") = "9"
    & skf18("9","6","10","3","3","3","1") = "9"
    & skf18("9","6","10","3","3","4","1") = "9"
    & skf18("9","6","10","3","3","5","1") = "9"
    & skf18("9","6","10","3","3","6","1") = "9"
    & skf18("9","6","10","3","3","7","1") = "9"
    & skf18("9","6","10","3","3","8","1") = "9"
    & skf18("9","6","10","3","3","9","1") = "9"
    & skf18("9","6","10","3","3","10","1") = "9"
    & skf18("9","6","10","3","4","1","1") = "9"
    & skf18("9","6","10","3","4","2","1") = "9"
    & skf18("9","6","10","3","4","3","1") = "9"
    & skf18("9","6","10","3","4","4","1") = "9"
    & skf18("9","6","10","3","4","5","1") = "9"
    & skf18("9","6","10","3","4","6","1") = "9"
    & skf18("9","6","10","3","4","7","1") = "9"
    & skf18("9","6","10","3","4","8","1") = "9"
    & skf18("9","6","10","3","4","9","1") = "9"
    & skf18("9","6","10","3","4","10","1") = "9"
    & skf18("9","6","10","3","5","1","1") = "9"
    & skf18("9","6","10","3","5","2","1") = "9"
    & skf18("9","6","10","3","5","3","1") = "9"
    & skf18("9","6","10","3","5","4","1") = "9"
    & skf18("9","6","10","3","5","5","1") = "9"
    & skf18("9","6","10","3","5","6","1") = "9"
    & skf18("9","6","10","3","5","7","1") = "9"
    & skf18("9","6","10","3","5","8","1") = "9"
    & skf18("9","6","10","3","5","9","1") = "9"
    & skf18("9","6","10","3","5","10","1") = "9"
    & skf18("9","6","10","3","6","1","1") = "9"
    & skf18("9","6","10","3","6","2","1") = "9"
    & skf18("9","6","10","3","6","3","1") = "9"
    & skf18("9","6","10","3","6","4","1") = "9"
    & skf18("9","6","10","3","6","5","1") = "9"
    & skf18("9","6","10","3","6","6","1") = "9"
    & skf18("9","6","10","3","6","7","1") = "9"
    & skf18("9","6","10","3","6","8","1") = "9"
    & skf18("9","6","10","3","6","9","1") = "9"
    & skf18("9","6","10","3","6","10","1") = "9"
    & skf18("9","6","10","3","7","1","1") = "9"
    & skf18("9","6","10","3","7","2","1") = "9"
    & skf18("9","6","10","3","7","3","1") = "9"
    & skf18("9","6","10","3","7","4","1") = "9"
    & skf18("9","6","10","3","7","5","1") = "9"
    & skf18("9","6","10","3","7","6","1") = "9"
    & skf18("9","6","10","3","7","7","1") = "9"
    & skf18("9","6","10","3","7","8","1") = "9"
    & skf18("9","6","10","3","7","9","1") = "9"
    & skf18("9","6","10","3","7","10","1") = "9"
    & skf18("9","6","10","3","8","1","1") = "9"
    & skf18("9","6","10","3","8","2","1") = "9"
    & skf18("9","6","10","3","8","3","1") = "9"
    & skf18("9","6","10","3","8","4","1") = "9"
    & skf18("9","6","10","3","8","5","1") = "9"
    & skf18("9","6","10","3","8","6","1") = "9"
    & skf18("9","6","10","3","8","7","1") = "9"
    & skf18("9","6","10","3","8","8","1") = "9"
    & skf18("9","6","10","3","8","9","1") = "9"
    & skf18("9","6","10","3","8","10","1") = "9"
    & skf18("9","6","10","3","9","1","1") = "9"
    & skf18("9","6","10","3","9","2","1") = "9"
    & skf18("9","6","10","3","9","3","1") = "9"
    & skf18("9","6","10","3","9","4","1") = "9"
    & skf18("9","6","10","3","9","5","1") = "9"
    & skf18("9","6","10","3","9","6","1") = "9"
    & skf18("9","6","10","3","9","7","1") = "9"
    & skf18("9","6","10","3","9","8","1") = "9"
    & skf18("9","6","10","3","9","9","1") = "9"
    & skf18("9","6","10","3","9","10","1") = "9"
    & skf18("9","6","10","3","10","1","1") = "9"
    & skf18("9","6","10","3","10","2","1") = "9"
    & skf18("9","6","10","3","10","3","1") = "9"
    & skf18("9","6","10","3","10","4","1") = "9"
    & skf18("9","6","10","3","10","5","1") = "9"
    & skf18("9","6","10","3","10","6","1") = "9"
    & skf18("9","6","10","3","10","7","1") = "9"
    & skf18("9","6","10","3","10","8","1") = "9"
    & skf18("9","6","10","3","10","9","1") = "9"
    & skf18("9","6","10","3","10","10","1") = "9"
    & skf18("9","6","10","4","1","1","1") = "9"
    & skf18("9","6","10","4","1","2","1") = "9"
    & skf18("9","6","10","4","1","3","1") = "9"
    & skf18("9","6","10","4","1","4","1") = "9"
    & skf18("9","6","10","4","1","5","1") = "9"
    & skf18("9","6","10","4","1","6","1") = "9"
    & skf18("9","6","10","4","1","7","1") = "9"
    & skf18("9","6","10","4","1","8","1") = "9"
    & skf18("9","6","10","4","1","9","1") = "9"
    & skf18("9","6","10","4","1","10","1") = "9"
    & skf18("9","6","10","4","2","1","1") = "9"
    & skf18("9","6","10","4","2","2","1") = "9"
    & skf18("9","6","10","4","2","3","1") = "9"
    & skf18("9","6","10","4","2","4","1") = "9"
    & skf18("9","6","10","4","2","5","1") = "9"
    & skf18("9","6","10","4","2","6","1") = "9"
    & skf18("9","6","10","4","2","7","1") = "9"
    & skf18("9","6","10","4","2","8","1") = "9"
    & skf18("9","6","10","4","2","9","1") = "9"
    & skf18("9","6","10","4","2","10","1") = "9"
    & skf18("9","6","10","4","3","1","1") = "9"
    & skf18("9","6","10","4","3","2","1") = "9"
    & skf18("9","6","10","4","3","3","1") = "9"
    & skf18("9","6","10","4","3","4","1") = "9"
    & skf18("9","6","10","4","3","5","1") = "9"
    & skf18("9","6","10","4","3","6","1") = "9"
    & skf18("9","6","10","4","3","7","1") = "9"
    & skf18("9","6","10","4","3","8","1") = "9"
    & skf18("9","6","10","4","3","9","1") = "9"
    & skf18("9","6","10","4","3","10","1") = "9"
    & skf18("9","6","10","4","4","1","1") = "9"
    & skf18("9","6","10","4","4","2","1") = "9"
    & skf18("9","6","10","4","4","3","1") = "9"
    & skf18("9","6","10","4","4","4","1") = "9"
    & skf18("9","6","10","4","4","5","1") = "9"
    & skf18("9","6","10","4","4","6","1") = "9"
    & skf18("9","6","10","4","4","7","1") = "9"
    & skf18("9","6","10","4","4","8","1") = "9"
    & skf18("9","6","10","4","4","9","1") = "9"
    & skf18("9","6","10","4","4","10","1") = "9"
    & skf18("9","6","10","4","5","1","1") = "9"
    & skf18("9","6","10","4","5","2","1") = "9"
    & skf18("9","6","10","4","5","3","1") = "9"
    & skf18("9","6","10","4","5","4","1") = "9"
    & skf18("9","6","10","4","5","5","1") = "9"
    & skf18("9","6","10","4","5","6","1") = "9"
    & skf18("9","6","10","4","5","7","1") = "9"
    & skf18("9","6","10","4","5","8","1") = "9"
    & skf18("9","6","10","4","5","9","1") = "9"
    & skf18("9","6","10","4","5","10","1") = "9"
    & skf18("9","6","10","4","6","1","1") = "9"
    & skf18("9","6","10","4","6","2","1") = "9"
    & skf18("9","6","10","4","6","3","1") = "9"
    & skf18("9","6","10","4","6","4","1") = "9"
    & skf18("9","6","10","4","6","5","1") = "9"
    & skf18("9","6","10","4","6","6","1") = "9"
    & skf18("9","6","10","4","6","7","1") = "9"
    & skf18("9","6","10","4","6","8","1") = "9"
    & skf18("9","6","10","4","6","9","1") = "9"
    & skf18("9","6","10","4","6","10","1") = "9"
    & skf18("9","6","10","4","7","1","1") = "9"
    & skf18("9","6","10","4","7","2","1") = "9"
    & skf18("9","6","10","4","7","3","1") = "9"
    & skf18("9","6","10","4","7","4","1") = "9"
    & skf18("9","6","10","4","7","5","1") = "9"
    & skf18("9","6","10","4","7","6","1") = "9"
    & skf18("9","6","10","4","7","7","1") = "9"
    & skf18("9","6","10","4","7","8","1") = "9"
    & skf18("9","6","10","4","7","9","1") = "9"
    & skf18("9","6","10","4","7","10","1") = "9"
    & skf18("9","6","10","4","8","1","1") = "9"
    & skf18("9","6","10","4","8","2","1") = "9"
    & skf18("9","6","10","4","8","3","1") = "9"
    & skf18("9","6","10","4","8","4","1") = "9"
    & skf18("9","6","10","4","8","5","1") = "9"
    & skf18("9","6","10","4","8","6","1") = "9"
    & skf18("9","6","10","4","8","7","1") = "9"
    & skf18("9","6","10","4","8","8","1") = "9"
    & skf18("9","6","10","4","8","9","1") = "9"
    & skf18("9","6","10","4","8","10","1") = "9"
    & skf18("9","6","10","4","9","1","1") = "9"
    & skf18("9","6","10","4","9","2","1") = "9"
    & skf18("9","6","10","4","9","3","1") = "9"
    & skf18("9","6","10","4","9","4","1") = "9"
    & skf18("9","6","10","4","9","5","1") = "9"
    & skf18("9","6","10","4","9","6","1") = "9"
    & skf18("9","6","10","4","9","7","1") = "9"
    & skf18("9","6","10","4","9","8","1") = "9"
    & skf18("9","6","10","4","9","9","1") = "9"
    & skf18("9","6","10","4","9","10","1") = "9"
    & skf18("9","6","10","4","10","1","1") = "9"
    & skf18("9","6","10","4","10","2","1") = "9"
    & skf18("9","6","10","4","10","3","1") = "9"
    & skf18("9","6","10","4","10","4","1") = "9"
    & skf18("9","6","10","4","10","5","1") = "9"
    & skf18("9","6","10","4","10","6","1") = "9"
    & skf18("9","6","10","4","10","7","1") = "9"
    & skf18("9","6","10","4","10","8","1") = "9"
    & skf18("9","6","10","4","10","9","1") = "9"
    & skf18("9","6","10","4","10","10","1") = "9"
    & skf18("9","6","10","5","1","1","1") = "9"
    & skf18("9","6","10","5","1","2","1") = "9"
    & skf18("9","6","10","5","1","3","1") = "9"
    & skf18("9","6","10","5","1","4","1") = "9"
    & skf18("9","6","10","5","1","5","1") = "9"
    & skf18("9","6","10","5","1","6","1") = "9"
    & skf18("9","6","10","5","1","7","1") = "9"
    & skf18("9","6","10","5","1","8","1") = "9"
    & skf18("9","6","10","5","1","9","1") = "9"
    & skf18("9","6","10","5","1","10","1") = "9"
    & skf18("9","6","10","5","2","1","1") = "9"
    & skf18("9","6","10","5","2","2","1") = "9"
    & skf18("9","6","10","5","2","3","1") = "9"
    & skf18("9","6","10","5","2","4","1") = "9"
    & skf18("9","6","10","5","2","5","1") = "9"
    & skf18("9","6","10","5","2","6","1") = "9"
    & skf18("9","6","10","5","2","7","1") = "9"
    & skf18("9","6","10","5","2","8","1") = "9"
    & skf18("9","6","10","5","2","9","1") = "9"
    & skf18("9","6","10","5","2","10","1") = "9"
    & skf18("9","6","10","5","3","1","1") = "9"
    & skf18("9","6","10","5","3","2","1") = "9"
    & skf18("9","6","10","5","3","3","1") = "9"
    & skf18("9","6","10","5","3","4","1") = "9"
    & skf18("9","6","10","5","3","5","1") = "9"
    & skf18("9","6","10","5","3","6","1") = "9"
    & skf18("9","6","10","5","3","7","1") = "9"
    & skf18("9","6","10","5","3","8","1") = "9"
    & skf18("9","6","10","5","3","9","1") = "9"
    & skf18("9","6","10","5","3","10","1") = "9"
    & skf18("9","6","10","5","4","1","1") = "9"
    & skf18("9","6","10","5","4","2","1") = "9"
    & skf18("9","6","10","5","4","3","1") = "9"
    & skf18("9","6","10","5","4","4","1") = "9"
    & skf18("9","6","10","5","4","5","1") = "9"
    & skf18("9","6","10","5","4","6","1") = "9"
    & skf18("9","6","10","5","4","7","1") = "9"
    & skf18("9","6","10","5","4","8","1") = "9"
    & skf18("9","6","10","5","4","9","1") = "9"
    & skf18("9","6","10","5","4","10","1") = "9"
    & skf18("9","6","10","5","5","1","1") = "9"
    & skf18("9","6","10","5","5","2","1") = "9"
    & skf18("9","6","10","5","5","3","1") = "9"
    & skf18("9","6","10","5","5","4","1") = "9"
    & skf18("9","6","10","5","5","5","1") = "9"
    & skf18("9","6","10","5","5","6","1") = "9"
    & skf18("9","6","10","5","5","7","1") = "9"
    & skf18("9","6","10","5","5","8","1") = "9"
    & skf18("9","6","10","5","5","9","1") = "9"
    & skf18("9","6","10","5","5","10","1") = "9"
    & skf18("9","6","10","5","6","1","1") = "9"
    & skf18("9","6","10","5","6","2","1") = "9"
    & skf18("9","6","10","5","6","3","1") = "9"
    & skf18("9","6","10","5","6","4","1") = "9"
    & skf18("9","6","10","5","6","5","1") = "9"
    & skf18("9","6","10","5","6","6","1") = "9"
    & skf18("9","6","10","5","6","7","1") = "9"
    & skf18("9","6","10","5","6","8","1") = "9"
    & skf18("9","6","10","5","6","9","1") = "9"
    & skf18("9","6","10","5","6","10","1") = "9"
    & skf18("9","6","10","5","7","1","1") = "9"
    & skf18("9","6","10","5","7","2","1") = "9"
    & skf18("9","6","10","5","7","3","1") = "9"
    & skf18("9","6","10","5","7","4","1") = "9"
    & skf18("9","6","10","5","7","5","1") = "9"
    & skf18("9","6","10","5","7","6","1") = "9"
    & skf18("9","6","10","5","7","7","1") = "9"
    & skf18("9","6","10","5","7","8","1") = "9"
    & skf18("9","6","10","5","7","9","1") = "9"
    & skf18("9","6","10","5","7","10","1") = "9"
    & skf18("9","6","10","5","8","1","1") = "9"
    & skf18("9","6","10","5","8","2","1") = "9"
    & skf18("9","6","10","5","8","3","1") = "9"
    & skf18("9","6","10","5","8","4","1") = "9"
    & skf18("9","6","10","5","8","5","1") = "9"
    & skf18("9","6","10","5","8","6","1") = "9"
    & skf18("9","6","10","5","8","7","1") = "9"
    & skf18("9","6","10","5","8","8","1") = "9"
    & skf18("9","6","10","5","8","9","1") = "9"
    & skf18("9","6","10","5","8","10","1") = "9"
    & skf18("9","6","10","5","9","1","1") = "9"
    & skf18("9","6","10","5","9","2","1") = "9"
    & skf18("9","6","10","5","9","3","1") = "9"
    & skf18("9","6","10","5","9","4","1") = "9"
    & skf18("9","6","10","5","9","5","1") = "9"
    & skf18("9","6","10","5","9","6","1") = "9"
    & skf18("9","6","10","5","9","7","1") = "9"
    & skf18("9","6","10","5","9","8","1") = "9"
    & skf18("9","6","10","5","9","9","1") = "9"
    & skf18("9","6","10","5","9","10","1") = "9"
    & skf18("9","6","10","5","10","1","1") = "9"
    & skf18("9","6","10","5","10","2","1") = "9"
    & skf18("9","6","10","5","10","3","1") = "9"
    & skf18("9","6","10","5","10","4","1") = "9"
    & skf18("9","6","10","5","10","5","1") = "9"
    & skf18("9","6","10","5","10","6","1") = "9"
    & skf18("9","6","10","5","10","7","1") = "9"
    & skf18("9","6","10","5","10","8","1") = "9"
    & skf18("9","6","10","5","10","9","1") = "9"
    & skf18("9","6","10","5","10","10","1") = "9"
    & skf18("9","6","10","6","1","1","1") = "9"
    & skf18("9","6","10","6","1","2","1") = "9"
    & skf18("9","6","10","6","1","3","1") = "9"
    & skf18("9","6","10","6","1","4","1") = "9"
    & skf18("9","6","10","6","1","5","1") = "9"
    & skf18("9","6","10","6","1","6","1") = "9"
    & skf18("9","6","10","6","1","7","1") = "9"
    & skf18("9","6","10","6","1","8","1") = "9"
    & skf18("9","6","10","6","1","9","1") = "9"
    & skf18("9","6","10","6","1","10","1") = "9"
    & skf18("9","6","10","6","2","1","1") = "9"
    & skf18("9","6","10","6","2","2","1") = "9"
    & skf18("9","6","10","6","2","3","1") = "9"
    & skf18("9","6","10","6","2","4","1") = "9"
    & skf18("9","6","10","6","2","5","1") = "9"
    & skf18("9","6","10","6","2","6","1") = "9"
    & skf18("9","6","10","6","2","7","1") = "9"
    & skf18("9","6","10","6","2","8","1") = "9"
    & skf18("9","6","10","6","2","9","1") = "9"
    & skf18("9","6","10","6","2","10","1") = "9"
    & skf18("9","6","10","6","3","1","1") = "9"
    & skf18("9","6","10","6","3","2","1") = "9"
    & skf18("9","6","10","6","3","3","1") = "9"
    & skf18("9","6","10","6","3","4","1") = "9"
    & skf18("9","6","10","6","3","5","1") = "9"
    & skf18("9","6","10","6","3","6","1") = "9"
    & skf18("9","6","10","6","3","7","1") = "9"
    & skf18("9","6","10","6","3","8","1") = "9"
    & skf18("9","6","10","6","3","9","1") = "9"
    & skf18("9","6","10","6","3","10","1") = "9"
    & skf18("9","6","10","6","4","1","1") = "9"
    & skf18("9","6","10","6","4","2","1") = "9"
    & skf18("9","6","10","6","4","3","1") = "9"
    & skf18("9","6","10","6","4","4","1") = "9"
    & skf18("9","6","10","6","4","5","1") = "9"
    & skf18("9","6","10","6","4","6","1") = "9"
    & skf18("9","6","10","6","4","7","1") = "9"
    & skf18("9","6","10","6","4","8","1") = "9"
    & skf18("9","6","10","6","4","9","1") = "9"
    & skf18("9","6","10","6","4","10","1") = "9"
    & skf18("9","6","10","6","5","1","1") = "9"
    & skf18("9","6","10","6","5","2","1") = "9"
    & skf18("9","6","10","6","5","3","1") = "9"
    & skf18("9","6","10","6","5","4","1") = "9"
    & skf18("9","6","10","6","5","5","1") = "9"
    & skf18("9","6","10","6","5","6","1") = "9"
    & skf18("9","6","10","6","5","7","1") = "9"
    & skf18("9","6","10","6","5","8","1") = "9"
    & skf18("9","6","10","6","5","9","1") = "9"
    & skf18("9","6","10","6","5","10","1") = "9"
    & skf18("9","6","10","6","6","1","1") = "9"
    & skf18("9","6","10","6","6","2","1") = "9"
    & skf18("9","6","10","6","6","3","1") = "9"
    & skf18("9","6","10","6","6","4","1") = "9"
    & skf18("9","6","10","6","6","5","1") = "9"
    & skf18("9","6","10","6","6","6","1") = "9"
    & skf18("9","6","10","6","6","7","1") = "9"
    & skf18("9","6","10","6","6","8","1") = "9"
    & skf18("9","6","10","6","6","9","1") = "9"
    & skf18("9","6","10","6","6","10","1") = "9"
    & skf18("9","6","10","6","7","1","1") = "9"
    & skf18("9","6","10","6","7","2","1") = "9"
    & skf18("9","6","10","6","7","3","1") = "9"
    & skf18("9","6","10","6","7","4","1") = "9"
    & skf18("9","6","10","6","7","5","1") = "9"
    & skf18("9","6","10","6","7","6","1") = "9"
    & skf18("9","6","10","6","7","7","1") = "9"
    & skf18("9","6","10","6","7","8","1") = "9"
    & skf18("9","6","10","6","7","9","1") = "9"
    & skf18("9","6","10","6","7","10","1") = "9"
    & skf18("9","6","10","6","8","1","1") = "9"
    & skf18("9","6","10","6","8","2","1") = "9"
    & skf18("9","6","10","6","8","3","1") = "9"
    & skf18("9","6","10","6","8","4","1") = "9"
    & skf18("9","6","10","6","8","5","1") = "9"
    & skf18("9","6","10","6","8","6","1") = "9"
    & skf18("9","6","10","6","8","7","1") = "9"
    & skf18("9","6","10","6","8","8","1") = "9"
    & skf18("9","6","10","6","8","9","1") = "9"
    & skf18("9","6","10","6","8","10","1") = "9"
    & skf18("9","6","10","6","9","1","1") = "9"
    & skf18("9","6","10","6","9","2","1") = "9"
    & skf18("9","6","10","6","9","3","1") = "9"
    & skf18("9","6","10","6","9","4","1") = "9"
    & skf18("9","6","10","6","9","5","1") = "9"
    & skf18("9","6","10","6","9","6","1") = "9"
    & skf18("9","6","10","6","9","7","1") = "9"
    & skf18("9","6","10","6","9","8","1") = "9"
    & skf18("9","6","10","6","9","9","1") = "9"
    & skf18("9","6","10","6","9","10","1") = "9"
    & skf18("9","6","10","6","10","1","1") = "9"
    & skf18("9","6","10","6","10","2","1") = "9"
    & skf18("9","6","10","6","10","3","1") = "9"
    & skf18("9","6","10","6","10","4","1") = "9"
    & skf18("9","6","10","6","10","5","1") = "9"
    & skf18("9","6","10","6","10","6","1") = "9"
    & skf18("9","6","10","6","10","7","1") = "9"
    & skf18("9","6","10","6","10","8","1") = "9"
    & skf18("9","6","10","6","10","9","1") = "9"
    & skf18("9","6","10","6","10","10","1") = "9"
    & skf18("9","6","10","7","1","1","1") = "9"
    & skf18("9","6","10","7","1","2","1") = "9"
    & skf18("9","6","10","7","1","3","1") = "9"
    & skf18("9","6","10","7","1","4","1") = "9"
    & skf18("9","6","10","7","1","5","1") = "9"
    & skf18("9","6","10","7","1","6","1") = "9"
    & skf18("9","6","10","7","1","7","1") = "9"
    & skf18("9","6","10","7","1","8","1") = "9"
    & skf18("9","6","10","7","1","9","1") = "9"
    & skf18("9","6","10","7","1","10","1") = "9"
    & skf18("9","6","10","7","2","1","1") = "9"
    & skf18("9","6","10","7","2","2","1") = "9"
    & skf18("9","6","10","7","2","3","1") = "9"
    & skf18("9","6","10","7","2","4","1") = "9"
    & skf18("9","6","10","7","2","5","1") = "9"
    & skf18("9","6","10","7","2","6","1") = "9"
    & skf18("9","6","10","7","2","7","1") = "9"
    & skf18("9","6","10","7","2","8","1") = "9"
    & skf18("9","6","10","7","2","9","1") = "9"
    & skf18("9","6","10","7","2","10","1") = "9"
    & skf18("9","6","10","7","3","1","1") = "9"
    & skf18("9","6","10","7","3","2","1") = "9"
    & skf18("9","6","10","7","3","3","1") = "9"
    & skf18("9","6","10","7","3","4","1") = "9"
    & skf18("9","6","10","7","3","5","1") = "9"
    & skf18("9","6","10","7","3","6","1") = "9"
    & skf18("9","6","10","7","3","7","1") = "9"
    & skf18("9","6","10","7","3","8","1") = "9"
    & skf18("9","6","10","7","3","9","1") = "9"
    & skf18("9","6","10","7","3","10","1") = "9"
    & skf18("9","6","10","7","4","1","1") = "9"
    & skf18("9","6","10","7","4","2","1") = "9"
    & skf18("9","6","10","7","4","3","1") = "9"
    & skf18("9","6","10","7","4","4","1") = "9"
    & skf18("9","6","10","7","4","5","1") = "9"
    & skf18("9","6","10","7","4","6","1") = "9"
    & skf18("9","6","10","7","4","7","1") = "9"
    & skf18("9","6","10","7","4","8","1") = "9"
    & skf18("9","6","10","7","4","9","1") = "9"
    & skf18("9","6","10","7","4","10","1") = "9"
    & skf18("9","6","10","7","5","1","1") = "9"
    & skf18("9","6","10","7","5","2","1") = "9"
    & skf18("9","6","10","7","5","3","1") = "9"
    & skf18("9","6","10","7","5","4","1") = "9"
    & skf18("9","6","10","7","5","5","1") = "9"
    & skf18("9","6","10","7","5","6","1") = "9"
    & skf18("9","6","10","7","5","7","1") = "9"
    & skf18("9","6","10","7","5","8","1") = "9"
    & skf18("9","6","10","7","5","9","1") = "9"
    & skf18("9","6","10","7","5","10","1") = "9"
    & skf18("9","6","10","7","6","1","1") = "9"
    & skf18("9","6","10","7","6","2","1") = "9"
    & skf18("9","6","10","7","6","3","1") = "9"
    & skf18("9","6","10","7","6","4","1") = "9"
    & skf18("9","6","10","7","6","5","1") = "9"
    & skf18("9","6","10","7","6","6","1") = "9"
    & skf18("9","6","10","7","6","7","1") = "9"
    & skf18("9","6","10","7","6","8","1") = "9"
    & skf18("9","6","10","7","6","9","1") = "9"
    & skf18("9","6","10","7","6","10","1") = "9"
    & skf18("9","6","10","7","7","1","1") = "9"
    & skf18("9","6","10","7","7","2","1") = "9"
    & skf18("9","6","10","7","7","3","1") = "9"
    & skf18("9","6","10","7","7","4","1") = "9"
    & skf18("9","6","10","7","7","5","1") = "9"
    & skf18("9","6","10","7","7","6","1") = "9"
    & skf18("9","6","10","7","7","7","1") = "9"
    & skf18("9","6","10","7","7","8","1") = "9"
    & skf18("9","6","10","7","7","9","1") = "9"
    & skf18("9","6","10","7","7","10","1") = "9"
    & skf18("9","6","10","7","8","1","1") = "9"
    & skf18("9","6","10","7","8","2","1") = "9"
    & skf18("9","6","10","7","8","3","1") = "9"
    & skf18("9","6","10","7","8","4","1") = "9"
    & skf18("9","6","10","7","8","5","1") = "9"
    & skf18("9","6","10","7","8","6","1") = "9"
    & skf18("9","6","10","7","8","7","1") = "9"
    & skf18("9","6","10","7","8","8","1") = "9"
    & skf18("9","6","10","7","8","9","1") = "9"
    & skf18("9","6","10","7","8","10","1") = "9"
    & skf18("9","6","10","7","9","1","1") = "9"
    & skf18("9","6","10","7","9","2","1") = "9"
    & skf18("9","6","10","7","9","3","1") = "9"
    & skf18("9","6","10","7","9","4","1") = "9"
    & skf18("9","6","10","7","9","5","1") = "9"
    & skf18("9","6","10","7","9","6","1") = "9"
    & skf18("9","6","10","7","9","7","1") = "9"
    & skf18("9","6","10","7","9","8","1") = "9"
    & skf18("9","6","10","7","9","9","1") = "9"
    & skf18("9","6","10","7","9","10","1") = "9"
    & skf18("9","6","10","7","10","1","1") = "9"
    & skf18("9","6","10","7","10","2","1") = "9"
    & skf18("9","6","10","7","10","3","1") = "9"
    & skf18("9","6","10","7","10","4","1") = "9"
    & skf18("9","6","10","7","10","5","1") = "9"
    & skf18("9","6","10","7","10","6","1") = "9"
    & skf18("9","6","10","7","10","7","1") = "9"
    & skf18("9","6","10","7","10","8","1") = "9"
    & skf18("9","6","10","7","10","9","1") = "9"
    & skf18("9","6","10","7","10","10","1") = "9"
    & skf18("9","6","10","8","1","1","1") = "9"
    & skf18("9","6","10","8","1","2","1") = "9"
    & skf18("9","6","10","8","1","3","1") = "9"
    & skf18("9","6","10","8","1","4","1") = "9"
    & skf18("9","6","10","8","1","5","1") = "9"
    & skf18("9","6","10","8","1","6","1") = "9"
    & skf18("9","6","10","8","1","7","1") = "9"
    & skf18("9","6","10","8","1","8","1") = "9"
    & skf18("9","6","10","8","1","9","1") = "9"
    & skf18("9","6","10","8","1","10","1") = "9"
    & skf18("9","6","10","8","2","1","1") = "9"
    & skf18("9","6","10","8","2","2","1") = "9"
    & skf18("9","6","10","8","2","3","1") = "9"
    & skf18("9","6","10","8","2","4","1") = "9"
    & skf18("9","6","10","8","2","5","1") = "9"
    & skf18("9","6","10","8","2","6","1") = "9"
    & skf18("9","6","10","8","2","7","1") = "9"
    & skf18("9","6","10","8","2","8","1") = "9"
    & skf18("9","6","10","8","2","9","1") = "9"
    & skf18("9","6","10","8","2","10","1") = "9"
    & skf18("9","6","10","8","3","1","1") = "9"
    & skf18("9","6","10","8","3","2","1") = "9"
    & skf18("9","6","10","8","3","3","1") = "9"
    & skf18("9","6","10","8","3","4","1") = "9"
    & skf18("9","6","10","8","3","5","1") = "9"
    & skf18("9","6","10","8","3","6","1") = "9"
    & skf18("9","6","10","8","3","7","1") = "9"
    & skf18("9","6","10","8","3","8","1") = "9"
    & skf18("9","6","10","8","3","9","1") = "9"
    & skf18("9","6","10","8","3","10","1") = "9"
    & skf18("9","6","10","8","4","1","1") = "9"
    & skf18("9","6","10","8","4","2","1") = "9"
    & skf18("9","6","10","8","4","3","1") = "9"
    & skf18("9","6","10","8","4","4","1") = "9"
    & skf18("9","6","10","8","4","5","1") = "9"
    & skf18("9","6","10","8","4","6","1") = "9"
    & skf18("9","6","10","8","4","7","1") = "9"
    & skf18("9","6","10","8","4","8","1") = "9"
    & skf18("9","6","10","8","4","9","1") = "9"
    & skf18("9","6","10","8","4","10","1") = "9"
    & skf18("9","6","10","8","5","1","1") = "9"
    & skf18("9","6","10","8","5","2","1") = "9"
    & skf18("9","6","10","8","5","3","1") = "9"
    & skf18("9","6","10","8","5","4","1") = "9"
    & skf18("9","6","10","8","5","5","1") = "9"
    & skf18("9","6","10","8","5","6","1") = "9"
    & skf18("9","6","10","8","5","7","1") = "9"
    & skf18("9","6","10","8","5","8","1") = "9"
    & skf18("9","6","10","8","5","9","1") = "9"
    & skf18("9","6","10","8","5","10","1") = "9"
    & skf18("9","6","10","8","6","1","1") = "9"
    & skf18("9","6","10","8","6","2","1") = "9"
    & skf18("9","6","10","8","6","3","1") = "9"
    & skf18("9","6","10","8","6","4","1") = "9"
    & skf18("9","6","10","8","6","5","1") = "9"
    & skf18("9","6","10","8","6","6","1") = "9"
    & skf18("9","6","10","8","6","7","1") = "9"
    & skf18("9","6","10","8","6","8","1") = "9"
    & skf18("9","6","10","8","6","9","1") = "9"
    & skf18("9","6","10","8","6","10","1") = "9"
    & skf18("9","6","10","8","7","1","1") = "9"
    & skf18("9","6","10","8","7","2","1") = "9"
    & skf18("9","6","10","8","7","3","1") = "9"
    & skf18("9","6","10","8","7","4","1") = "9"
    & skf18("9","6","10","8","7","5","1") = "9"
    & skf18("9","6","10","8","7","6","1") = "9"
    & skf18("9","6","10","8","7","7","1") = "9"
    & skf18("9","6","10","8","7","8","1") = "9"
    & skf18("9","6","10","8","7","9","1") = "9"
    & skf18("9","6","10","8","7","10","1") = "9"
    & skf18("9","6","10","8","8","1","1") = "9"
    & skf18("9","6","10","8","8","2","1") = "9"
    & skf18("9","6","10","8","8","3","1") = "9"
    & skf18("9","6","10","8","8","4","1") = "9"
    & skf18("9","6","10","8","8","5","1") = "9"
    & skf18("9","6","10","8","8","6","1") = "9"
    & skf18("9","6","10","8","8","7","1") = "9"
    & skf18("9","6","10","8","8","8","1") = "9"
    & skf18("9","6","10","8","8","9","1") = "9"
    & skf18("9","6","10","8","8","10","1") = "9"
    & skf18("9","6","10","8","9","1","1") = "9"
    & skf18("9","6","10","8","9","2","1") = "9"
    & skf18("9","6","10","8","9","3","1") = "9"
    & skf18("9","6","10","8","9","4","1") = "9"
    & skf18("9","6","10","8","9","5","1") = "9"
    & skf18("9","6","10","8","9","6","1") = "9"
    & skf18("9","6","10","8","9","7","1") = "9"
    & skf18("9","6","10","8","9","8","1") = "9"
    & skf18("9","6","10","8","9","9","1") = "9"
    & skf18("9","6","10","8","9","10","1") = "9"
    & skf18("9","6","10","8","10","1","1") = "9"
    & skf18("9","6","10","8","10","2","1") = "9"
    & skf18("9","6","10","8","10","3","1") = "9"
    & skf18("9","6","10","8","10","4","1") = "9"
    & skf18("9","6","10","8","10","5","1") = "9"
    & skf18("9","6","10","8","10","6","1") = "9"
    & skf18("9","6","10","8","10","7","1") = "9"
    & skf18("9","6","10","8","10","8","1") = "9"
    & skf18("9","6","10","8","10","9","1") = "9"
    & skf18("9","6","10","8","10","10","1") = "9"
    & skf18("9","6","10","9","1","1","1") = "9"
    & skf18("9","6","10","9","1","2","1") = "9"
    & skf18("9","6","10","9","1","3","1") = "9"
    & skf18("9","6","10","9","1","4","1") = "9"
    & skf18("9","6","10","9","1","5","1") = "9"
    & skf18("9","6","10","9","1","6","1") = "9"
    & skf18("9","6","10","9","1","7","1") = "9"
    & skf18("9","6","10","9","1","8","1") = "9"
    & skf18("9","6","10","9","1","9","1") = "9"
    & skf18("9","6","10","9","1","10","1") = "9"
    & skf18("9","6","10","9","2","1","1") = "9"
    & skf18("9","6","10","9","2","2","1") = "9"
    & skf18("9","6","10","9","2","3","1") = "9"
    & skf18("9","6","10","9","2","4","1") = "9"
    & skf18("9","6","10","9","2","5","1") = "9"
    & skf18("9","6","10","9","2","6","1") = "9"
    & skf18("9","6","10","9","2","7","1") = "9"
    & skf18("9","6","10","9","2","8","1") = "9"
    & skf18("9","6","10","9","2","9","1") = "9"
    & skf18("9","6","10","9","2","10","1") = "9"
    & skf18("9","6","10","9","3","1","1") = "9"
    & skf18("9","6","10","9","3","2","1") = "9"
    & skf18("9","6","10","9","3","3","1") = "9"
    & skf18("9","6","10","9","3","4","1") = "9"
    & skf18("9","6","10","9","3","5","1") = "9"
    & skf18("9","6","10","9","3","6","1") = "9"
    & skf18("9","6","10","9","3","7","1") = "9"
    & skf18("9","6","10","9","3","8","1") = "9"
    & skf18("9","6","10","9","3","9","1") = "9"
    & skf18("9","6","10","9","3","10","1") = "9"
    & skf18("9","6","10","9","4","1","1") = "9"
    & skf18("9","6","10","9","4","2","1") = "9"
    & skf18("9","6","10","9","4","3","1") = "9"
    & skf18("9","6","10","9","4","4","1") = "9"
    & skf18("9","6","10","9","4","5","1") = "9"
    & skf18("9","6","10","9","4","6","1") = "9"
    & skf18("9","6","10","9","4","7","1") = "9"
    & skf18("9","6","10","9","4","8","1") = "9"
    & skf18("9","6","10","9","4","9","1") = "9"
    & skf18("9","6","10","9","4","10","1") = "9"
    & skf18("9","6","10","9","5","1","1") = "9"
    & skf18("9","6","10","9","5","2","1") = "9"
    & skf18("9","6","10","9","5","3","1") = "9"
    & skf18("9","6","10","9","5","4","1") = "9"
    & skf18("9","6","10","9","5","5","1") = "9"
    & skf18("9","6","10","9","5","6","1") = "9"
    & skf18("9","6","10","9","5","7","1") = "9"
    & skf18("9","6","10","9","5","8","1") = "9"
    & skf18("9","6","10","9","5","9","1") = "9"
    & skf18("9","6","10","9","5","10","1") = "9"
    & skf18("9","6","10","9","6","1","1") = "9"
    & skf18("9","6","10","9","6","2","1") = "9"
    & skf18("9","6","10","9","6","3","1") = "9"
    & skf18("9","6","10","9","6","4","1") = "9"
    & skf18("9","6","10","9","6","5","1") = "9"
    & skf18("9","6","10","9","6","6","1") = "9"
    & skf18("9","6","10","9","6","7","1") = "9"
    & skf18("9","6","10","9","6","8","1") = "9"
    & skf18("9","6","10","9","6","9","1") = "9"
    & skf18("9","6","10","9","6","10","1") = "9"
    & skf18("9","6","10","9","7","1","1") = "9"
    & skf18("9","6","10","9","7","2","1") = "9"
    & skf18("9","6","10","9","7","3","1") = "9"
    & skf18("9","6","10","9","7","4","1") = "9"
    & skf18("9","6","10","9","7","5","1") = "9"
    & skf18("9","6","10","9","7","6","1") = "9"
    & skf18("9","6","10","9","7","7","1") = "9"
    & skf18("9","6","10","9","7","8","1") = "9"
    & skf18("9","6","10","9","7","9","1") = "9"
    & skf18("9","6","10","9","7","10","1") = "9"
    & skf18("9","6","10","9","8","1","1") = "9"
    & skf18("9","6","10","9","8","2","1") = "9"
    & skf18("9","6","10","9","8","3","1") = "9"
    & skf18("9","6","10","9","8","4","1") = "9"
    & skf18("9","6","10","9","8","5","1") = "9"
    & skf18("9","6","10","9","8","6","1") = "9"
    & skf18("9","6","10","9","8","7","1") = "9"
    & skf18("9","6","10","9","8","8","1") = "9"
    & skf18("9","6","10","9","8","9","1") = "9"
    & skf18("9","6","10","9","8","10","1") = "9"
    & skf18("9","6","10","9","9","1","1") = "9"
    & skf18("9","6","10","9","9","2","1") = "9"
    & skf18("9","6","10","9","9","3","1") = "9"
    & skf18("9","6","10","9","9","4","1") = "9"
    & skf18("9","6","10","9","9","5","1") = "9"
    & skf18("9","6","10","9","9","6","1") = "9"
    & skf18("9","6","10","9","9","7","1") = "9"
    & skf18("9","6","10","9","9","8","1") = "9"
    & skf18("9","6","10","9","9","9","1") = "9"
    & skf18("9","6","10","9","9","10","1") = "9"
    & skf18("9","6","10","9","10","1","1") = "9"
    & skf18("9","6","10","9","10","2","1") = "9"
    & skf18("9","6","10","9","10","3","1") = "9"
    & skf18("9","6","10","9","10","4","1") = "9"
    & skf18("9","6","10","9","10","5","1") = "9"
    & skf18("9","6","10","9","10","6","1") = "9"
    & skf18("9","6","10","9","10","7","1") = "9"
    & skf18("9","6","10","9","10","8","1") = "9"
    & skf18("9","6","10","9","10","9","1") = "9"
    & skf18("9","6","10","9","10","10","1") = "9"
    & skf18("9","6","10","10","1","1","1") = "9"
    & skf18("9","6","10","10","1","2","1") = "9"
    & skf18("9","6","10","10","1","3","1") = "9"
    & skf18("9","6","10","10","1","4","1") = "9"
    & skf18("9","6","10","10","1","5","1") = "9"
    & skf18("9","6","10","10","1","6","1") = "9"
    & skf18("9","6","10","10","1","7","1") = "9"
    & skf18("9","6","10","10","1","8","1") = "9"
    & skf18("9","6","10","10","1","9","1") = "9"
    & skf18("9","6","10","10","1","10","1") = "9"
    & skf18("9","6","10","10","2","1","1") = "9"
    & skf18("9","6","10","10","2","2","1") = "9"
    & skf18("9","6","10","10","2","3","1") = "9"
    & skf18("9","6","10","10","2","4","1") = "9"
    & skf18("9","6","10","10","2","5","1") = "9"
    & skf18("9","6","10","10","2","6","1") = "9"
    & skf18("9","6","10","10","2","7","1") = "9"
    & skf18("9","6","10","10","2","8","1") = "9"
    & skf18("9","6","10","10","2","9","1") = "9"
    & skf18("9","6","10","10","2","10","1") = "9"
    & skf18("9","6","10","10","3","1","1") = "9"
    & skf18("9","6","10","10","3","2","1") = "9"
    & skf18("9","6","10","10","3","3","1") = "9"
    & skf18("9","6","10","10","3","4","1") = "9"
    & skf18("9","6","10","10","3","5","1") = "9"
    & skf18("9","6","10","10","3","6","1") = "9"
    & skf18("9","6","10","10","3","7","1") = "9"
    & skf18("9","6","10","10","3","8","1") = "9"
    & skf18("9","6","10","10","3","9","1") = "9"
    & skf18("9","6","10","10","3","10","1") = "9"
    & skf18("9","6","10","10","4","1","1") = "9"
    & skf18("9","6","10","10","4","2","1") = "9"
    & skf18("9","6","10","10","4","3","1") = "9"
    & skf18("9","6","10","10","4","4","1") = "9"
    & skf18("9","6","10","10","4","5","1") = "9"
    & skf18("9","6","10","10","4","6","1") = "9"
    & skf18("9","6","10","10","4","7","1") = "9"
    & skf18("9","6","10","10","4","8","1") = "9"
    & skf18("9","6","10","10","4","9","1") = "9"
    & skf18("9","6","10","10","4","10","1") = "9"
    & skf18("9","6","10","10","5","1","1") = "9"
    & skf18("9","6","10","10","5","2","1") = "9"
    & skf18("9","6","10","10","5","3","1") = "9"
    & skf18("9","6","10","10","5","4","1") = "9"
    & skf18("9","6","10","10","5","5","1") = "9"
    & skf18("9","6","10","10","5","6","1") = "9"
    & skf18("9","6","10","10","5","7","1") = "9"
    & skf18("9","6","10","10","5","8","1") = "9"
    & skf18("9","6","10","10","5","9","1") = "9"
    & skf18("9","6","10","10","5","10","1") = "9"
    & skf18("9","6","10","10","6","1","1") = "9"
    & skf18("9","6","10","10","6","2","1") = "9"
    & skf18("9","6","10","10","6","3","1") = "9"
    & skf18("9","6","10","10","6","4","1") = "9"
    & skf18("9","6","10","10","6","5","1") = "9"
    & skf18("9","6","10","10","6","6","1") = "9"
    & skf18("9","6","10","10","6","7","1") = "9"
    & skf18("9","6","10","10","6","8","1") = "9"
    & skf18("9","6","10","10","6","9","1") = "9"
    & skf18("9","6","10","10","6","10","1") = "9"
    & skf18("9","6","10","10","7","1","1") = "9"
    & skf18("9","6","10","10","7","2","1") = "9"
    & skf18("9","6","10","10","7","3","1") = "9"
    & skf18("9","6","10","10","7","4","1") = "9"
    & skf18("9","6","10","10","7","5","1") = "9"
    & skf18("9","6","10","10","7","6","1") = "9"
    & skf18("9","6","10","10","7","7","1") = "9"
    & skf18("9","6","10","10","7","8","1") = "9"
    & skf18("9","6","10","10","7","9","1") = "9"
    & skf18("9","6","10","10","7","10","1") = "9"
    & skf18("9","6","10","10","8","1","1") = "9"
    & skf18("9","6","10","10","8","2","1") = "9"
    & skf18("9","6","10","10","8","3","1") = "9"
    & skf18("9","6","10","10","8","4","1") = "9"
    & skf18("9","6","10","10","8","5","1") = "9"
    & skf18("9","6","10","10","8","6","1") = "9"
    & skf18("9","6","10","10","8","7","1") = "9"
    & skf18("9","6","10","10","8","8","1") = "9"
    & skf18("9","6","10","10","8","9","1") = "9"
    & skf18("9","6","10","10","8","10","1") = "9"
    & skf18("9","6","10","10","9","1","1") = "9"
    & skf18("9","6","10","10","9","2","1") = "9"
    & skf18("9","6","10","10","9","3","1") = "9"
    & skf18("9","6","10","10","9","4","1") = "9"
    & skf18("9","6","10","10","9","5","1") = "9"
    & skf18("9","6","10","10","9","6","1") = "9"
    & skf18("9","6","10","10","9","7","1") = "9"
    & skf18("9","6","10","10","9","8","1") = "9"
    & skf18("9","6","10","10","9","9","1") = "9"
    & skf18("9","6","10","10","9","10","1") = "9"
    & skf18("9","6","10","10","10","1","1") = "9"
    & skf18("9","6","10","10","10","2","1") = "9"
    & skf18("9","6","10","10","10","3","1") = "9"
    & skf18("9","6","10","10","10","4","1") = "9"
    & skf18("9","6","10","10","10","5","1") = "9"
    & skf18("9","6","10","10","10","6","1") = "9"
    & skf18("9","6","10","10","10","7","1") = "9"
    & skf18("9","6","10","10","10","8","1") = "9"
    & skf18("9","6","10","10","10","9","1") = "9"
    & skf18("9","6","10","10","10","10","1") = "9"
    & skf18("9","7","1","1","1","1","1") = "8"
    & skf18("9","7","1","1","1","2","1") = "8"
    & skf18("9","7","1","1","1","3","1") = "8"
    & skf18("9","7","1","1","1","4","1") = "8"
    & skf18("9","7","1","1","1","5","1") = "8"
    & skf18("9","7","1","1","1","6","1") = "8"
    & skf18("9","7","1","1","1","7","1") = "8"
    & skf18("9","7","1","1","1","8","1") = "8"
    & skf18("9","7","1","1","1","9","1") = "8"
    & skf18("9","7","1","1","1","10","1") = "9"
    & skf18("9","7","1","1","2","1","1") = "8"
    & skf18("9","7","1","1","2","2","1") = "8"
    & skf18("9","7","1","1","2","3","1") = "8"
    & skf18("9","7","1","1","2","4","1") = "8"
    & skf18("9","7","1","1","2","5","1") = "8"
    & skf18("9","7","1","1","2","6","1") = "8"
    & skf18("9","7","1","1","2","7","1") = "8"
    & skf18("9","7","1","1","2","8","1") = "8"
    & skf18("9","7","1","1","2","9","1") = "8"
    & skf18("9","7","1","1","2","10","1") = "9"
    & skf18("9","7","1","1","3","1","1") = "8"
    & skf18("9","7","1","1","3","2","1") = "8"
    & skf18("9","7","1","1","3","3","1") = "8"
    & skf18("9","7","1","1","3","4","1") = "8"
    & skf18("9","7","1","1","3","5","1") = "8"
    & skf18("9","7","1","1","3","6","1") = "8"
    & skf18("9","7","1","1","3","7","1") = "8"
    & skf18("9","7","1","1","3","8","1") = "8"
    & skf18("9","7","1","1","3","9","1") = "8"
    & skf18("9","7","1","1","3","10","1") = "9"
    & skf18("9","7","1","1","4","1","1") = "8"
    & skf18("9","7","1","1","4","2","1") = "8"
    & skf18("9","7","1","1","4","3","1") = "8"
    & skf18("9","7","1","1","4","4","1") = "8"
    & skf18("9","7","1","1","4","5","1") = "8"
    & skf18("9","7","1","1","4","6","1") = "8"
    & skf18("9","7","1","1","4","7","1") = "8"
    & skf18("9","7","1","1","4","8","1") = "8"
    & skf18("9","7","1","1","4","9","1") = "8"
    & skf18("9","7","1","1","4","10","1") = "9"
    & skf18("9","7","1","1","5","1","1") = "8"
    & skf18("9","7","1","1","5","2","1") = "8"
    & skf18("9","7","1","1","5","3","1") = "8"
    & skf18("9","7","1","1","5","4","1") = "8"
    & skf18("9","7","1","1","5","5","1") = "8"
    & skf18("9","7","1","1","5","6","1") = "8"
    & skf18("9","7","1","1","5","7","1") = "8"
    & skf18("9","7","1","1","5","8","1") = "8"
    & skf18("9","7","1","1","5","9","1") = "8"
    & skf18("9","7","1","1","5","10","1") = "9"
    & skf18("9","7","1","1","6","1","1") = "8"
    & skf18("9","7","1","1","6","2","1") = "8"
    & skf18("9","7","1","1","6","3","1") = "8"
    & skf18("9","7","1","1","6","4","1") = "8"
    & skf18("9","7","1","1","6","5","1") = "8"
    & skf18("9","7","1","1","6","6","1") = "8"
    & skf18("9","7","1","1","6","7","1") = "8"
    & skf18("9","7","1","1","6","8","1") = "8"
    & skf18("9","7","1","1","6","9","1") = "8"
    & skf18("9","7","1","1","6","10","1") = "9"
    & skf18("9","7","1","1","7","1","1") = "8"
    & skf18("9","7","1","1","7","2","1") = "8"
    & skf18("9","7","1","1","7","3","1") = "8"
    & skf18("9","7","1","1","7","4","1") = "8"
    & skf18("9","7","1","1","7","5","1") = "8"
    & skf18("9","7","1","1","7","6","1") = "8"
    & skf18("9","7","1","1","7","7","1") = "8"
    & skf18("9","7","1","1","7","8","1") = "8"
    & skf18("9","7","1","1","7","9","1") = "8"
    & skf18("9","7","1","1","7","10","1") = "9"
    & skf18("9","7","1","1","8","1","1") = "8"
    & skf18("9","7","1","1","8","2","1") = "8"
    & skf18("9","7","1","1","8","3","1") = "8"
    & skf18("9","7","1","1","8","4","1") = "8"
    & skf18("9","7","1","1","8","5","1") = "8"
    & skf18("9","7","1","1","8","6","1") = "8"
    & skf18("9","7","1","1","8","7","1") = "8"
    & skf18("9","7","1","1","8","8","1") = "8"
    & skf18("9","7","1","1","8","9","1") = "8"
    & skf18("9","7","1","1","8","10","1") = "9"
    & skf18("9","7","1","1","9","1","1") = "8"
    & skf18("9","7","1","1","9","2","1") = "8"
    & skf18("9","7","1","1","9","3","1") = "8"
    & skf18("9","7","1","1","9","4","1") = "8"
    & skf18("9","7","1","1","9","5","1") = "8"
    & skf18("9","7","1","1","9","6","1") = "8"
    & skf18("9","7","1","1","9","7","1") = "8"
    & skf18("9","7","1","1","9","8","1") = "8"
    & skf18("9","7","1","1","9","9","1") = "8"
    & skf18("9","7","1","1","9","10","1") = "9"
    & skf18("9","7","1","1","10","1","1") = "9"
    & skf18("9","7","1","1","10","2","1") = "9"
    & skf18("9","7","1","1","10","3","1") = "9"
    & skf18("9","7","1","1","10","4","1") = "9"
    & skf18("9","7","1","1","10","5","1") = "9"
    & skf18("9","7","1","1","10","6","1") = "9"
    & skf18("9","7","1","1","10","7","1") = "9"
    & skf18("9","7","1","1","10","8","1") = "9"
    & skf18("9","7","1","1","10","9","1") = "9"
    & skf18("9","7","1","1","10","10","1") = "9"
    & skf18("9","7","1","2","1","1","1") = "8"
    & skf18("9","7","1","2","1","2","1") = "8"
    & skf18("9","7","1","2","1","3","1") = "8"
    & skf18("9","7","1","2","1","4","1") = "8"
    & skf18("9","7","1","2","1","5","1") = "8"
    & skf18("9","7","1","2","1","6","1") = "8"
    & skf18("9","7","1","2","1","7","1") = "8"
    & skf18("9","7","1","2","1","8","1") = "8"
    & skf18("9","7","1","2","1","9","1") = "8"
    & skf18("9","7","1","2","1","10","1") = "9"
    & skf18("9","7","1","2","2","1","1") = "8"
    & skf18("9","7","1","2","2","2","1") = "8"
    & skf18("9","7","1","2","2","3","1") = "8"
    & skf18("9","7","1","2","2","4","1") = "8"
    & skf18("9","7","1","2","2","5","1") = "8"
    & skf18("9","7","1","2","2","6","1") = "8"
    & skf18("9","7","1","2","2","7","1") = "8"
    & skf18("9","7","1","2","2","8","1") = "8"
    & skf18("9","7","1","2","2","9","1") = "8"
    & skf18("9","7","1","2","2","10","1") = "9"
    & skf18("9","7","1","2","3","1","1") = "8"
    & skf18("9","7","1","2","3","2","1") = "8"
    & skf18("9","7","1","2","3","3","1") = "8"
    & skf18("9","7","1","2","3","4","1") = "8"
    & skf18("9","7","1","2","3","5","1") = "8"
    & skf18("9","7","1","2","3","6","1") = "8"
    & skf18("9","7","1","2","3","7","1") = "8"
    & skf18("9","7","1","2","3","8","1") = "8"
    & skf18("9","7","1","2","3","9","1") = "8"
    & skf18("9","7","1","2","3","10","1") = "9"
    & skf18("9","7","1","2","4","1","1") = "8"
    & skf18("9","7","1","2","4","2","1") = "8"
    & skf18("9","7","1","2","4","3","1") = "8"
    & skf18("9","7","1","2","4","4","1") = "8"
    & skf18("9","7","1","2","4","5","1") = "8"
    & skf18("9","7","1","2","4","6","1") = "8"
    & skf18("9","7","1","2","4","7","1") = "8"
    & skf18("9","7","1","2","4","8","1") = "8"
    & skf18("9","7","1","2","4","9","1") = "8"
    & skf18("9","7","1","2","4","10","1") = "9"
    & skf18("9","7","1","2","5","1","1") = "8"
    & skf18("9","7","1","2","5","2","1") = "8"
    & skf18("9","7","1","2","5","3","1") = "8"
    & skf18("9","7","1","2","5","4","1") = "8"
    & skf18("9","7","1","2","5","5","1") = "8"
    & skf18("9","7","1","2","5","6","1") = "8"
    & skf18("9","7","1","2","5","7","1") = "8"
    & skf18("9","7","1","2","5","8","1") = "8"
    & skf18("9","7","1","2","5","9","1") = "8"
    & skf18("9","7","1","2","5","10","1") = "9"
    & skf18("9","7","1","2","6","1","1") = "8"
    & skf18("9","7","1","2","6","2","1") = "8"
    & skf18("9","7","1","2","6","3","1") = "8"
    & skf18("9","7","1","2","6","4","1") = "8"
    & skf18("9","7","1","2","6","5","1") = "8"
    & skf18("9","7","1","2","6","6","1") = "8"
    & skf18("9","7","1","2","6","7","1") = "8"
    & skf18("9","7","1","2","6","8","1") = "8"
    & skf18("9","7","1","2","6","9","1") = "8"
    & skf18("9","7","1","2","6","10","1") = "9"
    & skf18("9","7","1","2","7","1","1") = "8"
    & skf18("9","7","1","2","7","2","1") = "8"
    & skf18("9","7","1","2","7","3","1") = "8"
    & skf18("9","7","1","2","7","4","1") = "8"
    & skf18("9","7","1","2","7","5","1") = "8"
    & skf18("9","7","1","2","7","6","1") = "8"
    & skf18("9","7","1","2","7","7","1") = "8"
    & skf18("9","7","1","2","7","8","1") = "8"
    & skf18("9","7","1","2","7","9","1") = "8"
    & skf18("9","7","1","2","7","10","1") = "9"
    & skf18("9","7","1","2","8","1","1") = "8"
    & skf18("9","7","1","2","8","2","1") = "8"
    & skf18("9","7","1","2","8","3","1") = "8"
    & skf18("9","7","1","2","8","4","1") = "8"
    & skf18("9","7","1","2","8","5","1") = "8"
    & skf18("9","7","1","2","8","6","1") = "8"
    & skf18("9","7","1","2","8","7","1") = "8"
    & skf18("9","7","1","2","8","8","1") = "8"
    & skf18("9","7","1","2","8","9","1") = "8"
    & skf18("9","7","1","2","8","10","1") = "9"
    & skf18("9","7","1","2","9","1","1") = "8"
    & skf18("9","7","1","2","9","2","1") = "8"
    & skf18("9","7","1","2","9","3","1") = "8"
    & skf18("9","7","1","2","9","4","1") = "8"
    & skf18("9","7","1","2","9","5","1") = "8"
    & skf18("9","7","1","2","9","6","1") = "8"
    & skf18("9","7","1","2","9","7","1") = "8"
    & skf18("9","7","1","2","9","8","1") = "8"
    & skf18("9","7","1","2","9","9","1") = "8"
    & skf18("9","7","1","2","9","10","1") = "9"
    & skf18("9","7","1","2","10","1","1") = "9"
    & skf18("9","7","1","2","10","2","1") = "9"
    & skf18("9","7","1","2","10","3","1") = "9"
    & skf18("9","7","1","2","10","4","1") = "9"
    & skf18("9","7","1","2","10","5","1") = "9"
    & skf18("9","7","1","2","10","6","1") = "9"
    & skf18("9","7","1","2","10","7","1") = "9"
    & skf18("9","7","1","2","10","8","1") = "9"
    & skf18("9","7","1","2","10","9","1") = "9"
    & skf18("9","7","1","2","10","10","1") = "9"
    & skf18("9","7","1","3","1","1","1") = "8"
    & skf18("9","7","1","3","1","2","1") = "8"
    & skf18("9","7","1","3","1","3","1") = "8"
    & skf18("9","7","1","3","1","4","1") = "8"
    & skf18("9","7","1","3","1","5","1") = "8"
    & skf18("9","7","1","3","1","6","1") = "8"
    & skf18("9","7","1","3","1","7","1") = "8"
    & skf18("9","7","1","3","1","8","1") = "8"
    & skf18("9","7","1","3","1","9","1") = "8"
    & skf18("9","7","1","3","1","10","1") = "9"
    & skf18("9","7","1","3","2","1","1") = "8"
    & skf18("9","7","1","3","2","2","1") = "8"
    & skf18("9","7","1","3","2","3","1") = "8"
    & skf18("9","7","1","3","2","4","1") = "8"
    & skf18("9","7","1","3","2","5","1") = "8"
    & skf18("9","7","1","3","2","6","1") = "8"
    & skf18("9","7","1","3","2","7","1") = "8"
    & skf18("9","7","1","3","2","8","1") = "8"
    & skf18("9","7","1","3","2","9","1") = "8"
    & skf18("9","7","1","3","2","10","1") = "9"
    & skf18("9","7","1","3","3","1","1") = "8"
    & skf18("9","7","1","3","3","2","1") = "8"
    & skf18("9","7","1","3","3","3","1") = "8"
    & skf18("9","7","1","3","3","4","1") = "8"
    & skf18("9","7","1","3","3","5","1") = "8"
    & skf18("9","7","1","3","3","6","1") = "8"
    & skf18("9","7","1","3","3","7","1") = "8"
    & skf18("9","7","1","3","3","8","1") = "8"
    & skf18("9","7","1","3","3","9","1") = "8"
    & skf18("9","7","1","3","3","10","1") = "9"
    & skf18("9","7","1","3","4","1","1") = "8"
    & skf18("9","7","1","3","4","2","1") = "8"
    & skf18("9","7","1","3","4","3","1") = "8"
    & skf18("9","7","1","3","4","4","1") = "8"
    & skf18("9","7","1","3","4","5","1") = "8"
    & skf18("9","7","1","3","4","6","1") = "8"
    & skf18("9","7","1","3","4","7","1") = "8"
    & skf18("9","7","1","3","4","8","1") = "8"
    & skf18("9","7","1","3","4","9","1") = "8"
    & skf18("9","7","1","3","4","10","1") = "9"
    & skf18("9","7","1","3","5","1","1") = "8"
    & skf18("9","7","1","3","5","2","1") = "8"
    & skf18("9","7","1","3","5","3","1") = "8"
    & skf18("9","7","1","3","5","4","1") = "8"
    & skf18("9","7","1","3","5","5","1") = "8"
    & skf18("9","7","1","3","5","6","1") = "8"
    & skf18("9","7","1","3","5","7","1") = "8"
    & skf18("9","7","1","3","5","8","1") = "8"
    & skf18("9","7","1","3","5","9","1") = "8"
    & skf18("9","7","1","3","5","10","1") = "9"
    & skf18("9","7","1","3","6","1","1") = "8"
    & skf18("9","7","1","3","6","2","1") = "8"
    & skf18("9","7","1","3","6","3","1") = "8"
    & skf18("9","7","1","3","6","4","1") = "8"
    & skf18("9","7","1","3","6","5","1") = "8"
    & skf18("9","7","1","3","6","6","1") = "8"
    & skf18("9","7","1","3","6","7","1") = "8"
    & skf18("9","7","1","3","6","8","1") = "8"
    & skf18("9","7","1","3","6","9","1") = "8"
    & skf18("9","7","1","3","6","10","1") = "9"
    & skf18("9","7","1","3","7","1","1") = "8"
    & skf18("9","7","1","3","7","2","1") = "8"
    & skf18("9","7","1","3","7","3","1") = "8"
    & skf18("9","7","1","3","7","4","1") = "8"
    & skf18("9","7","1","3","7","5","1") = "8"
    & skf18("9","7","1","3","7","6","1") = "8"
    & skf18("9","7","1","3","7","7","1") = "8"
    & skf18("9","7","1","3","7","8","1") = "8"
    & skf18("9","7","1","3","7","9","1") = "8"
    & skf18("9","7","1","3","7","10","1") = "9"
    & skf18("9","7","1","3","8","1","1") = "8"
    & skf18("9","7","1","3","8","2","1") = "8"
    & skf18("9","7","1","3","8","3","1") = "8"
    & skf18("9","7","1","3","8","4","1") = "8"
    & skf18("9","7","1","3","8","5","1") = "8"
    & skf18("9","7","1","3","8","6","1") = "8"
    & skf18("9","7","1","3","8","7","1") = "8"
    & skf18("9","7","1","3","8","8","1") = "8"
    & skf18("9","7","1","3","8","9","1") = "8"
    & skf18("9","7","1","3","8","10","1") = "9"
    & skf18("9","7","1","3","9","1","1") = "8"
    & skf18("9","7","1","3","9","2","1") = "8"
    & skf18("9","7","1","3","9","3","1") = "8"
    & skf18("9","7","1","3","9","4","1") = "8"
    & skf18("9","7","1","3","9","5","1") = "8"
    & skf18("9","7","1","3","9","6","1") = "8"
    & skf18("9","7","1","3","9","7","1") = "8"
    & skf18("9","7","1","3","9","8","1") = "8"
    & skf18("9","7","1","3","9","9","1") = "8"
    & skf18("9","7","1","3","9","10","1") = "9"
    & skf18("9","7","1","3","10","1","1") = "9"
    & skf18("9","7","1","3","10","2","1") = "9"
    & skf18("9","7","1","3","10","3","1") = "9"
    & skf18("9","7","1","3","10","4","1") = "9"
    & skf18("9","7","1","3","10","5","1") = "9"
    & skf18("9","7","1","3","10","6","1") = "9"
    & skf18("9","7","1","3","10","7","1") = "9"
    & skf18("9","7","1","3","10","8","1") = "9"
    & skf18("9","7","1","3","10","9","1") = "9"
    & skf18("9","7","1","3","10","10","1") = "9"
    & skf18("9","7","1","4","1","1","1") = "8"
    & skf18("9","7","1","4","1","2","1") = "8"
    & skf18("9","7","1","4","1","3","1") = "8"
    & skf18("9","7","1","4","1","4","1") = "8"
    & skf18("9","7","1","4","1","5","1") = "8"
    & skf18("9","7","1","4","1","6","1") = "8"
    & skf18("9","7","1","4","1","7","1") = "8"
    & skf18("9","7","1","4","1","8","1") = "8"
    & skf18("9","7","1","4","1","9","1") = "8"
    & skf18("9","7","1","4","1","10","1") = "9"
    & skf18("9","7","1","4","2","1","1") = "8"
    & skf18("9","7","1","4","2","2","1") = "8"
    & skf18("9","7","1","4","2","3","1") = "8"
    & skf18("9","7","1","4","2","4","1") = "8"
    & skf18("9","7","1","4","2","5","1") = "8"
    & skf18("9","7","1","4","2","6","1") = "8"
    & skf18("9","7","1","4","2","7","1") = "8"
    & skf18("9","7","1","4","2","8","1") = "8"
    & skf18("9","7","1","4","2","9","1") = "8"
    & skf18("9","7","1","4","2","10","1") = "9"
    & skf18("9","7","1","4","3","1","1") = "8"
    & skf18("9","7","1","4","3","2","1") = "8"
    & skf18("9","7","1","4","3","3","1") = "8"
    & skf18("9","7","1","4","3","4","1") = "8"
    & skf18("9","7","1","4","3","5","1") = "8"
    & skf18("9","7","1","4","3","6","1") = "8"
    & skf18("9","7","1","4","3","7","1") = "8"
    & skf18("9","7","1","4","3","8","1") = "8"
    & skf18("9","7","1","4","3","9","1") = "8"
    & skf18("9","7","1","4","3","10","1") = "9"
    & skf18("9","7","1","4","4","1","1") = "8"
    & skf18("9","7","1","4","4","2","1") = "8"
    & skf18("9","7","1","4","4","3","1") = "8"
    & skf18("9","7","1","4","4","4","1") = "8"
    & skf18("9","7","1","4","4","5","1") = "8"
    & skf18("9","7","1","4","4","6","1") = "8"
    & skf18("9","7","1","4","4","7","1") = "8"
    & skf18("9","7","1","4","4","8","1") = "8"
    & skf18("9","7","1","4","4","9","1") = "8"
    & skf18("9","7","1","4","4","10","1") = "9"
    & skf18("9","7","1","4","5","1","1") = "8"
    & skf18("9","7","1","4","5","2","1") = "8"
    & skf18("9","7","1","4","5","3","1") = "8"
    & skf18("9","7","1","4","5","4","1") = "8"
    & skf18("9","7","1","4","5","5","1") = "8"
    & skf18("9","7","1","4","5","6","1") = "8"
    & skf18("9","7","1","4","5","7","1") = "8"
    & skf18("9","7","1","4","5","8","1") = "8"
    & skf18("9","7","1","4","5","9","1") = "8"
    & skf18("9","7","1","4","5","10","1") = "9"
    & skf18("9","7","1","4","6","1","1") = "8"
    & skf18("9","7","1","4","6","2","1") = "8"
    & skf18("9","7","1","4","6","3","1") = "8"
    & skf18("9","7","1","4","6","4","1") = "8"
    & skf18("9","7","1","4","6","5","1") = "8"
    & skf18("9","7","1","4","6","6","1") = "8"
    & skf18("9","7","1","4","6","7","1") = "8"
    & skf18("9","7","1","4","6","8","1") = "8"
    & skf18("9","7","1","4","6","9","1") = "8"
    & skf18("9","7","1","4","6","10","1") = "9"
    & skf18("9","7","1","4","7","1","1") = "8"
    & skf18("9","7","1","4","7","2","1") = "8"
    & skf18("9","7","1","4","7","3","1") = "8"
    & skf18("9","7","1","4","7","4","1") = "8"
    & skf18("9","7","1","4","7","5","1") = "8"
    & skf18("9","7","1","4","7","6","1") = "8"
    & skf18("9","7","1","4","7","7","1") = "8"
    & skf18("9","7","1","4","7","8","1") = "8"
    & skf18("9","7","1","4","7","9","1") = "8"
    & skf18("9","7","1","4","7","10","1") = "9"
    & skf18("9","7","1","4","8","1","1") = "8"
    & skf18("9","7","1","4","8","2","1") = "8"
    & skf18("9","7","1","4","8","3","1") = "8"
    & skf18("9","7","1","4","8","4","1") = "8"
    & skf18("9","7","1","4","8","5","1") = "8"
    & skf18("9","7","1","4","8","6","1") = "8"
    & skf18("9","7","1","4","8","7","1") = "8"
    & skf18("9","7","1","4","8","8","1") = "8"
    & skf18("9","7","1","4","8","9","1") = "8"
    & skf18("9","7","1","4","8","10","1") = "9"
    & skf18("9","7","1","4","9","1","1") = "8"
    & skf18("9","7","1","4","9","2","1") = "8"
    & skf18("9","7","1","4","9","3","1") = "8"
    & skf18("9","7","1","4","9","4","1") = "8"
    & skf18("9","7","1","4","9","5","1") = "8"
    & skf18("9","7","1","4","9","6","1") = "8"
    & skf18("9","7","1","4","9","7","1") = "8"
    & skf18("9","7","1","4","9","8","1") = "8"
    & skf18("9","7","1","4","9","9","1") = "8"
    & skf18("9","7","1","4","9","10","1") = "9"
    & skf18("9","7","1","4","10","1","1") = "9"
    & skf18("9","7","1","4","10","2","1") = "9"
    & skf18("9","7","1","4","10","3","1") = "9"
    & skf18("9","7","1","4","10","4","1") = "9"
    & skf18("9","7","1","4","10","5","1") = "9"
    & skf18("9","7","1","4","10","6","1") = "9"
    & skf18("9","7","1","4","10","7","1") = "9"
    & skf18("9","7","1","4","10","8","1") = "9"
    & skf18("9","7","1","4","10","9","1") = "9"
    & skf18("9","7","1","4","10","10","1") = "9"
    & skf18("9","7","1","5","1","1","1") = "8"
    & skf18("9","7","1","5","1","2","1") = "8"
    & skf18("9","7","1","5","1","3","1") = "8"
    & skf18("9","7","1","5","1","4","1") = "8"
    & skf18("9","7","1","5","1","5","1") = "8"
    & skf18("9","7","1","5","1","6","1") = "8"
    & skf18("9","7","1","5","1","7","1") = "8"
    & skf18("9","7","1","5","1","8","1") = "8"
    & skf18("9","7","1","5","1","9","1") = "8"
    & skf18("9","7","1","5","1","10","1") = "9"
    & skf18("9","7","1","5","2","1","1") = "8"
    & skf18("9","7","1","5","2","2","1") = "8"
    & skf18("9","7","1","5","2","3","1") = "8"
    & skf18("9","7","1","5","2","4","1") = "8"
    & skf18("9","7","1","5","2","5","1") = "8"
    & skf18("9","7","1","5","2","6","1") = "8"
    & skf18("9","7","1","5","2","7","1") = "8"
    & skf18("9","7","1","5","2","8","1") = "8"
    & skf18("9","7","1","5","2","9","1") = "8"
    & skf18("9","7","1","5","2","10","1") = "9"
    & skf18("9","7","1","5","3","1","1") = "8"
    & skf18("9","7","1","5","3","2","1") = "8"
    & skf18("9","7","1","5","3","3","1") = "8"
    & skf18("9","7","1","5","3","4","1") = "8"
    & skf18("9","7","1","5","3","5","1") = "8"
    & skf18("9","7","1","5","3","6","1") = "8"
    & skf18("9","7","1","5","3","7","1") = "8"
    & skf18("9","7","1","5","3","8","1") = "8"
    & skf18("9","7","1","5","3","9","1") = "8"
    & skf18("9","7","1","5","3","10","1") = "9"
    & skf18("9","7","1","5","4","1","1") = "8"
    & skf18("9","7","1","5","4","2","1") = "8"
    & skf18("9","7","1","5","4","3","1") = "8"
    & skf18("9","7","1","5","4","4","1") = "8"
    & skf18("9","7","1","5","4","5","1") = "8"
    & skf18("9","7","1","5","4","6","1") = "8"
    & skf18("9","7","1","5","4","7","1") = "8"
    & skf18("9","7","1","5","4","8","1") = "8"
    & skf18("9","7","1","5","4","9","1") = "8"
    & skf18("9","7","1","5","4","10","1") = "9"
    & skf18("9","7","1","5","5","1","1") = "8"
    & skf18("9","7","1","5","5","2","1") = "8"
    & skf18("9","7","1","5","5","3","1") = "8"
    & skf18("9","7","1","5","5","4","1") = "8"
    & skf18("9","7","1","5","5","5","1") = "8"
    & skf18("9","7","1","5","5","6","1") = "8"
    & skf18("9","7","1","5","5","7","1") = "8"
    & skf18("9","7","1","5","5","8","1") = "8"
    & skf18("9","7","1","5","5","9","1") = "8"
    & skf18("9","7","1","5","5","10","1") = "9"
    & skf18("9","7","1","5","6","1","1") = "8"
    & skf18("9","7","1","5","6","2","1") = "8"
    & skf18("9","7","1","5","6","3","1") = "8"
    & skf18("9","7","1","5","6","4","1") = "8"
    & skf18("9","7","1","5","6","5","1") = "8"
    & skf18("9","7","1","5","6","6","1") = "8"
    & skf18("9","7","1","5","6","7","1") = "8"
    & skf18("9","7","1","5","6","8","1") = "8"
    & skf18("9","7","1","5","6","9","1") = "8"
    & skf18("9","7","1","5","6","10","1") = "9"
    & skf18("9","7","1","5","7","1","1") = "8"
    & skf18("9","7","1","5","7","2","1") = "8"
    & skf18("9","7","1","5","7","3","1") = "8"
    & skf18("9","7","1","5","7","4","1") = "8"
    & skf18("9","7","1","5","7","5","1") = "8"
    & skf18("9","7","1","5","7","6","1") = "8"
    & skf18("9","7","1","5","7","7","1") = "8"
    & skf18("9","7","1","5","7","8","1") = "8"
    & skf18("9","7","1","5","7","9","1") = "8"
    & skf18("9","7","1","5","7","10","1") = "9"
    & skf18("9","7","1","5","8","1","1") = "8"
    & skf18("9","7","1","5","8","2","1") = "8"
    & skf18("9","7","1","5","8","3","1") = "8"
    & skf18("9","7","1","5","8","4","1") = "8"
    & skf18("9","7","1","5","8","5","1") = "8"
    & skf18("9","7","1","5","8","6","1") = "8"
    & skf18("9","7","1","5","8","7","1") = "8"
    & skf18("9","7","1","5","8","8","1") = "8"
    & skf18("9","7","1","5","8","9","1") = "8"
    & skf18("9","7","1","5","8","10","1") = "9"
    & skf18("9","7","1","5","9","1","1") = "8"
    & skf18("9","7","1","5","9","2","1") = "8"
    & skf18("9","7","1","5","9","3","1") = "8"
    & skf18("9","7","1","5","9","4","1") = "8"
    & skf18("9","7","1","5","9","5","1") = "8"
    & skf18("9","7","1","5","9","6","1") = "8"
    & skf18("9","7","1","5","9","7","1") = "8"
    & skf18("9","7","1","5","9","8","1") = "8"
    & skf18("9","7","1","5","9","9","1") = "8"
    & skf18("9","7","1","5","9","10","1") = "9"
    & skf18("9","7","1","5","10","1","1") = "9"
    & skf18("9","7","1","5","10","2","1") = "9"
    & skf18("9","7","1","5","10","3","1") = "9"
    & skf18("9","7","1","5","10","4","1") = "9"
    & skf18("9","7","1","5","10","5","1") = "9"
    & skf18("9","7","1","5","10","6","1") = "9"
    & skf18("9","7","1","5","10","7","1") = "9"
    & skf18("9","7","1","5","10","8","1") = "9"
    & skf18("9","7","1","5","10","9","1") = "9"
    & skf18("9","7","1","5","10","10","1") = "9"
    & skf18("9","7","1","6","1","1","1") = "8"
    & skf18("9","7","1","6","1","2","1") = "8"
    & skf18("9","7","1","6","1","3","1") = "8"
    & skf18("9","7","1","6","1","4","1") = "8"
    & skf18("9","7","1","6","1","5","1") = "8"
    & skf18("9","7","1","6","1","6","1") = "8"
    & skf18("9","7","1","6","1","7","1") = "8"
    & skf18("9","7","1","6","1","8","1") = "8"
    & skf18("9","7","1","6","1","9","1") = "8"
    & skf18("9","7","1","6","1","10","1") = "9"
    & skf18("9","7","1","6","2","1","1") = "8"
    & skf18("9","7","1","6","2","2","1") = "8"
    & skf18("9","7","1","6","2","3","1") = "8"
    & skf18("9","7","1","6","2","4","1") = "8"
    & skf18("9","7","1","6","2","5","1") = "8"
    & skf18("9","7","1","6","2","6","1") = "8"
    & skf18("9","7","1","6","2","7","1") = "8"
    & skf18("9","7","1","6","2","8","1") = "8"
    & skf18("9","7","1","6","2","9","1") = "8"
    & skf18("9","7","1","6","2","10","1") = "9"
    & skf18("9","7","1","6","3","1","1") = "8"
    & skf18("9","7","1","6","3","2","1") = "8"
    & skf18("9","7","1","6","3","3","1") = "8"
    & skf18("9","7","1","6","3","4","1") = "8"
    & skf18("9","7","1","6","3","5","1") = "8"
    & skf18("9","7","1","6","3","6","1") = "8"
    & skf18("9","7","1","6","3","7","1") = "8"
    & skf18("9","7","1","6","3","8","1") = "8"
    & skf18("9","7","1","6","3","9","1") = "8"
    & skf18("9","7","1","6","3","10","1") = "9"
    & skf18("9","7","1","6","4","1","1") = "8"
    & skf18("9","7","1","6","4","2","1") = "8"
    & skf18("9","7","1","6","4","3","1") = "8"
    & skf18("9","7","1","6","4","4","1") = "8"
    & skf18("9","7","1","6","4","5","1") = "8"
    & skf18("9","7","1","6","4","6","1") = "8"
    & skf18("9","7","1","6","4","7","1") = "8"
    & skf18("9","7","1","6","4","8","1") = "8"
    & skf18("9","7","1","6","4","9","1") = "8"
    & skf18("9","7","1","6","4","10","1") = "9"
    & skf18("9","7","1","6","5","1","1") = "8"
    & skf18("9","7","1","6","5","2","1") = "8"
    & skf18("9","7","1","6","5","3","1") = "8"
    & skf18("9","7","1","6","5","4","1") = "8"
    & skf18("9","7","1","6","5","5","1") = "8"
    & skf18("9","7","1","6","5","6","1") = "8"
    & skf18("9","7","1","6","5","7","1") = "8"
    & skf18("9","7","1","6","5","8","1") = "8"
    & skf18("9","7","1","6","5","9","1") = "8"
    & skf18("9","7","1","6","5","10","1") = "9"
    & skf18("9","7","1","6","6","1","1") = "8"
    & skf18("9","7","1","6","6","2","1") = "8"
    & skf18("9","7","1","6","6","3","1") = "8"
    & skf18("9","7","1","6","6","4","1") = "8"
    & skf18("9","7","1","6","6","5","1") = "8"
    & skf18("9","7","1","6","6","6","1") = "8"
    & skf18("9","7","1","6","6","7","1") = "8"
    & skf18("9","7","1","6","6","8","1") = "8"
    & skf18("9","7","1","6","6","9","1") = "8"
    & skf18("9","7","1","6","6","10","1") = "9"
    & skf18("9","7","1","6","7","1","1") = "8"
    & skf18("9","7","1","6","7","2","1") = "8"
    & skf18("9","7","1","6","7","3","1") = "8"
    & skf18("9","7","1","6","7","4","1") = "8"
    & skf18("9","7","1","6","7","5","1") = "8"
    & skf18("9","7","1","6","7","6","1") = "8"
    & skf18("9","7","1","6","7","7","1") = "8"
    & skf18("9","7","1","6","7","8","1") = "8"
    & skf18("9","7","1","6","7","9","1") = "8"
    & skf18("9","7","1","6","7","10","1") = "9"
    & skf18("9","7","1","6","8","1","1") = "8"
    & skf18("9","7","1","6","8","2","1") = "8"
    & skf18("9","7","1","6","8","3","1") = "8"
    & skf18("9","7","1","6","8","4","1") = "8"
    & skf18("9","7","1","6","8","5","1") = "8"
    & skf18("9","7","1","6","8","6","1") = "8"
    & skf18("9","7","1","6","8","7","1") = "8"
    & skf18("9","7","1","6","8","8","1") = "8"
    & skf18("9","7","1","6","8","9","1") = "8"
    & skf18("9","7","1","6","8","10","1") = "9"
    & skf18("9","7","1","6","9","1","1") = "8"
    & skf18("9","7","1","6","9","2","1") = "8"
    & skf18("9","7","1","6","9","3","1") = "8"
    & skf18("9","7","1","6","9","4","1") = "8"
    & skf18("9","7","1","6","9","5","1") = "8"
    & skf18("9","7","1","6","9","6","1") = "8"
    & skf18("9","7","1","6","9","7","1") = "8"
    & skf18("9","7","1","6","9","8","1") = "8"
    & skf18("9","7","1","6","9","9","1") = "8"
    & skf18("9","7","1","6","9","10","1") = "9"
    & skf18("9","7","1","6","10","1","1") = "9"
    & skf18("9","7","1","6","10","2","1") = "9"
    & skf18("9","7","1","6","10","3","1") = "9"
    & skf18("9","7","1","6","10","4","1") = "9"
    & skf18("9","7","1","6","10","5","1") = "9"
    & skf18("9","7","1","6","10","6","1") = "9"
    & skf18("9","7","1","6","10","7","1") = "9"
    & skf18("9","7","1","6","10","8","1") = "9"
    & skf18("9","7","1","6","10","9","1") = "9"
    & skf18("9","7","1","6","10","10","1") = "9"
    & skf18("9","7","1","7","1","1","1") = "8"
    & skf18("9","7","1","7","1","2","1") = "8"
    & skf18("9","7","1","7","1","3","1") = "8"
    & skf18("9","7","1","7","1","4","1") = "8"
    & skf18("9","7","1","7","1","5","1") = "8"
    & skf18("9","7","1","7","1","6","1") = "8"
    & skf18("9","7","1","7","1","7","1") = "8"
    & skf18("9","7","1","7","1","8","1") = "8"
    & skf18("9","7","1","7","1","9","1") = "8"
    & skf18("9","7","1","7","1","10","1") = "9"
    & skf18("9","7","1","7","2","1","1") = "8"
    & skf18("9","7","1","7","2","2","1") = "8"
    & skf18("9","7","1","7","2","3","1") = "8"
    & skf18("9","7","1","7","2","4","1") = "8"
    & skf18("9","7","1","7","2","5","1") = "8"
    & skf18("9","7","1","7","2","6","1") = "8"
    & skf18("9","7","1","7","2","7","1") = "8"
    & skf18("9","7","1","7","2","8","1") = "8"
    & skf18("9","7","1","7","2","9","1") = "8"
    & skf18("9","7","1","7","2","10","1") = "9"
    & skf18("9","7","1","7","3","1","1") = "8"
    & skf18("9","7","1","7","3","2","1") = "8"
    & skf18("9","7","1","7","3","3","1") = "8"
    & skf18("9","7","1","7","3","4","1") = "8"
    & skf18("9","7","1","7","3","5","1") = "8"
    & skf18("9","7","1","7","3","6","1") = "8"
    & skf18("9","7","1","7","3","7","1") = "8"
    & skf18("9","7","1","7","3","8","1") = "8"
    & skf18("9","7","1","7","3","9","1") = "8"
    & skf18("9","7","1","7","3","10","1") = "9"
    & skf18("9","7","1","7","4","1","1") = "8"
    & skf18("9","7","1","7","4","2","1") = "8"
    & skf18("9","7","1","7","4","3","1") = "8"
    & skf18("9","7","1","7","4","4","1") = "8"
    & skf18("9","7","1","7","4","5","1") = "8"
    & skf18("9","7","1","7","4","6","1") = "8"
    & skf18("9","7","1","7","4","7","1") = "8"
    & skf18("9","7","1","7","4","8","1") = "8"
    & skf18("9","7","1","7","4","9","1") = "8"
    & skf18("9","7","1","7","4","10","1") = "9"
    & skf18("9","7","1","7","5","1","1") = "8"
    & skf18("9","7","1","7","5","2","1") = "8"
    & skf18("9","7","1","7","5","3","1") = "8"
    & skf18("9","7","1","7","5","4","1") = "8"
    & skf18("9","7","1","7","5","5","1") = "8"
    & skf18("9","7","1","7","5","6","1") = "8"
    & skf18("9","7","1","7","5","7","1") = "8"
    & skf18("9","7","1","7","5","8","1") = "8"
    & skf18("9","7","1","7","5","9","1") = "8"
    & skf18("9","7","1","7","5","10","1") = "9"
    & skf18("9","7","1","7","6","1","1") = "8"
    & skf18("9","7","1","7","6","2","1") = "8"
    & skf18("9","7","1","7","6","3","1") = "8"
    & skf18("9","7","1","7","6","4","1") = "8"
    & skf18("9","7","1","7","6","5","1") = "8"
    & skf18("9","7","1","7","6","6","1") = "8"
    & skf18("9","7","1","7","6","7","1") = "8"
    & skf18("9","7","1","7","6","8","1") = "8"
    & skf18("9","7","1","7","6","9","1") = "8"
    & skf18("9","7","1","7","6","10","1") = "9"
    & skf18("9","7","1","7","7","1","1") = "8"
    & skf18("9","7","1","7","7","2","1") = "8"
    & skf18("9","7","1","7","7","3","1") = "8"
    & skf18("9","7","1","7","7","4","1") = "8"
    & skf18("9","7","1","7","7","5","1") = "8"
    & skf18("9","7","1","7","7","6","1") = "8"
    & skf18("9","7","1","7","7","7","1") = "8"
    & skf18("9","7","1","7","7","8","1") = "8"
    & skf18("9","7","1","7","7","9","1") = "8"
    & skf18("9","7","1","7","7","10","1") = "9"
    & skf18("9","7","1","7","8","1","1") = "8"
    & skf18("9","7","1","7","8","2","1") = "8"
    & skf18("9","7","1","7","8","3","1") = "8"
    & skf18("9","7","1","7","8","4","1") = "8"
    & skf18("9","7","1","7","8","5","1") = "8"
    & skf18("9","7","1","7","8","6","1") = "8"
    & skf18("9","7","1","7","8","7","1") = "8"
    & skf18("9","7","1","7","8","8","1") = "8"
    & skf18("9","7","1","7","8","9","1") = "8"
    & skf18("9","7","1","7","8","10","1") = "9"
    & skf18("9","7","1","7","9","1","1") = "8"
    & skf18("9","7","1","7","9","2","1") = "8"
    & skf18("9","7","1","7","9","3","1") = "8"
    & skf18("9","7","1","7","9","4","1") = "8"
    & skf18("9","7","1","7","9","5","1") = "8"
    & skf18("9","7","1","7","9","6","1") = "8"
    & skf18("9","7","1","7","9","7","1") = "8"
    & skf18("9","7","1","7","9","8","1") = "8"
    & skf18("9","7","1","7","9","9","1") = "8"
    & skf18("9","7","1","7","9","10","1") = "9"
    & skf18("9","7","1","7","10","1","1") = "9"
    & skf18("9","7","1","7","10","2","1") = "9"
    & skf18("9","7","1","7","10","3","1") = "9"
    & skf18("9","7","1","7","10","4","1") = "9"
    & skf18("9","7","1","7","10","5","1") = "9"
    & skf18("9","7","1","7","10","6","1") = "9"
    & skf18("9","7","1","7","10","7","1") = "9"
    & skf18("9","7","1","7","10","8","1") = "9"
    & skf18("9","7","1","7","10","9","1") = "9"
    & skf18("9","7","1","7","10","10","1") = "9"
    & skf18("9","7","1","8","1","1","1") = "8"
    & skf18("9","7","1","8","1","2","1") = "8"
    & skf18("9","7","1","8","1","3","1") = "8"
    & skf18("9","7","1","8","1","4","1") = "8"
    & skf18("9","7","1","8","1","5","1") = "8"
    & skf18("9","7","1","8","1","6","1") = "8"
    & skf18("9","7","1","8","1","7","1") = "8"
    & skf18("9","7","1","8","1","8","1") = "8"
    & skf18("9","7","1","8","1","9","1") = "8"
    & skf18("9","7","1","8","1","10","1") = "9"
    & skf18("9","7","1","8","2","1","1") = "8"
    & skf18("9","7","1","8","2","2","1") = "8"
    & skf18("9","7","1","8","2","3","1") = "8"
    & skf18("9","7","1","8","2","4","1") = "8"
    & skf18("9","7","1","8","2","5","1") = "8"
    & skf18("9","7","1","8","2","6","1") = "8"
    & skf18("9","7","1","8","2","7","1") = "8"
    & skf18("9","7","1","8","2","8","1") = "8"
    & skf18("9","7","1","8","2","9","1") = "8"
    & skf18("9","7","1","8","2","10","1") = "9"
    & skf18("9","7","1","8","3","1","1") = "8"
    & skf18("9","7","1","8","3","2","1") = "8"
    & skf18("9","7","1","8","3","3","1") = "8"
    & skf18("9","7","1","8","3","4","1") = "8"
    & skf18("9","7","1","8","3","5","1") = "8"
    & skf18("9","7","1","8","3","6","1") = "8"
    & skf18("9","7","1","8","3","7","1") = "8"
    & skf18("9","7","1","8","3","8","1") = "8"
    & skf18("9","7","1","8","3","9","1") = "8"
    & skf18("9","7","1","8","3","10","1") = "9"
    & skf18("9","7","1","8","4","1","1") = "8"
    & skf18("9","7","1","8","4","2","1") = "8"
    & skf18("9","7","1","8","4","3","1") = "8"
    & skf18("9","7","1","8","4","4","1") = "8"
    & skf18("9","7","1","8","4","5","1") = "8"
    & skf18("9","7","1","8","4","6","1") = "8"
    & skf18("9","7","1","8","4","7","1") = "8"
    & skf18("9","7","1","8","4","8","1") = "8"
    & skf18("9","7","1","8","4","9","1") = "8"
    & skf18("9","7","1","8","4","10","1") = "9"
    & skf18("9","7","1","8","5","1","1") = "8"
    & skf18("9","7","1","8","5","2","1") = "8"
    & skf18("9","7","1","8","5","3","1") = "8"
    & skf18("9","7","1","8","5","4","1") = "8"
    & skf18("9","7","1","8","5","5","1") = "8"
    & skf18("9","7","1","8","5","6","1") = "8"
    & skf18("9","7","1","8","5","7","1") = "8"
    & skf18("9","7","1","8","5","8","1") = "8"
    & skf18("9","7","1","8","5","9","1") = "8"
    & skf18("9","7","1","8","5","10","1") = "9"
    & skf18("9","7","1","8","6","1","1") = "8"
    & skf18("9","7","1","8","6","2","1") = "8"
    & skf18("9","7","1","8","6","3","1") = "8"
    & skf18("9","7","1","8","6","4","1") = "8"
    & skf18("9","7","1","8","6","5","1") = "8"
    & skf18("9","7","1","8","6","6","1") = "8"
    & skf18("9","7","1","8","6","7","1") = "8"
    & skf18("9","7","1","8","6","8","1") = "8"
    & skf18("9","7","1","8","6","9","1") = "8"
    & skf18("9","7","1","8","6","10","1") = "9"
    & skf18("9","7","1","8","7","1","1") = "8"
    & skf18("9","7","1","8","7","2","1") = "8"
    & skf18("9","7","1","8","7","3","1") = "8"
    & skf18("9","7","1","8","7","4","1") = "8"
    & skf18("9","7","1","8","7","5","1") = "8"
    & skf18("9","7","1","8","7","6","1") = "8"
    & skf18("9","7","1","8","7","7","1") = "8"
    & skf18("9","7","1","8","7","8","1") = "8"
    & skf18("9","7","1","8","7","9","1") = "8"
    & skf18("9","7","1","8","7","10","1") = "9"
    & skf18("9","7","1","8","8","1","1") = "8"
    & skf18("9","7","1","8","8","2","1") = "8"
    & skf18("9","7","1","8","8","3","1") = "8"
    & skf18("9","7","1","8","8","4","1") = "8"
    & skf18("9","7","1","8","8","5","1") = "8"
    & skf18("9","7","1","8","8","6","1") = "8"
    & skf18("9","7","1","8","8","7","1") = "8"
    & skf18("9","7","1","8","8","8","1") = "8"
    & skf18("9","7","1","8","8","9","1") = "8"
    & skf18("9","7","1","8","8","10","1") = "9"
    & skf18("9","7","1","8","9","1","1") = "8"
    & skf18("9","7","1","8","9","2","1") = "8"
    & skf18("9","7","1","8","9","3","1") = "8"
    & skf18("9","7","1","8","9","4","1") = "8"
    & skf18("9","7","1","8","9","5","1") = "8"
    & skf18("9","7","1","8","9","6","1") = "8"
    & skf18("9","7","1","8","9","7","1") = "8"
    & skf18("9","7","1","8","9","8","1") = "8"
    & skf18("9","7","1","8","9","9","1") = "8"
    & skf18("9","7","1","8","9","10","1") = "9"
    & skf18("9","7","1","8","10","1","1") = "9"
    & skf18("9","7","1","8","10","2","1") = "9"
    & skf18("9","7","1","8","10","3","1") = "9"
    & skf18("9","7","1","8","10","4","1") = "9"
    & skf18("9","7","1","8","10","5","1") = "9"
    & skf18("9","7","1","8","10","6","1") = "9"
    & skf18("9","7","1","8","10","7","1") = "9"
    & skf18("9","7","1","8","10","8","1") = "9"
    & skf18("9","7","1","8","10","9","1") = "9"
    & skf18("9","7","1","8","10","10","1") = "9"
    & skf18("9","7","1","9","1","1","1") = "8"
    & skf18("9","7","1","9","1","2","1") = "8"
    & skf18("9","7","1","9","1","3","1") = "8"
    & skf18("9","7","1","9","1","4","1") = "8"
    & skf18("9","7","1","9","1","5","1") = "8"
    & skf18("9","7","1","9","1","6","1") = "8"
    & skf18("9","7","1","9","1","7","1") = "8"
    & skf18("9","7","1","9","1","8","1") = "8"
    & skf18("9","7","1","9","1","9","1") = "8"
    & skf18("9","7","1","9","1","10","1") = "9"
    & skf18("9","7","1","9","2","1","1") = "8"
    & skf18("9","7","1","9","2","2","1") = "8"
    & skf18("9","7","1","9","2","3","1") = "8"
    & skf18("9","7","1","9","2","4","1") = "8"
    & skf18("9","7","1","9","2","5","1") = "8"
    & skf18("9","7","1","9","2","6","1") = "8"
    & skf18("9","7","1","9","2","7","1") = "8"
    & skf18("9","7","1","9","2","8","1") = "8"
    & skf18("9","7","1","9","2","9","1") = "8"
    & skf18("9","7","1","9","2","10","1") = "9"
    & skf18("9","7","1","9","3","1","1") = "8"
    & skf18("9","7","1","9","3","2","1") = "8"
    & skf18("9","7","1","9","3","3","1") = "8"
    & skf18("9","7","1","9","3","4","1") = "8"
    & skf18("9","7","1","9","3","5","1") = "8"
    & skf18("9","7","1","9","3","6","1") = "8"
    & skf18("9","7","1","9","3","7","1") = "8"
    & skf18("9","7","1","9","3","8","1") = "8"
    & skf18("9","7","1","9","3","9","1") = "8"
    & skf18("9","7","1","9","3","10","1") = "9"
    & skf18("9","7","1","9","4","1","1") = "8"
    & skf18("9","7","1","9","4","2","1") = "8"
    & skf18("9","7","1","9","4","3","1") = "8"
    & skf18("9","7","1","9","4","4","1") = "8"
    & skf18("9","7","1","9","4","5","1") = "8"
    & skf18("9","7","1","9","4","6","1") = "8"
    & skf18("9","7","1","9","4","7","1") = "8"
    & skf18("9","7","1","9","4","8","1") = "8"
    & skf18("9","7","1","9","4","9","1") = "8"
    & skf18("9","7","1","9","4","10","1") = "9"
    & skf18("9","7","1","9","5","1","1") = "8"
    & skf18("9","7","1","9","5","2","1") = "8"
    & skf18("9","7","1","9","5","3","1") = "8"
    & skf18("9","7","1","9","5","4","1") = "8"
    & skf18("9","7","1","9","5","5","1") = "8"
    & skf18("9","7","1","9","5","6","1") = "8"
    & skf18("9","7","1","9","5","7","1") = "8"
    & skf18("9","7","1","9","5","8","1") = "8"
    & skf18("9","7","1","9","5","9","1") = "8"
    & skf18("9","7","1","9","5","10","1") = "9"
    & skf18("9","7","1","9","6","1","1") = "8"
    & skf18("9","7","1","9","6","2","1") = "8"
    & skf18("9","7","1","9","6","3","1") = "8"
    & skf18("9","7","1","9","6","4","1") = "8"
    & skf18("9","7","1","9","6","5","1") = "8"
    & skf18("9","7","1","9","6","6","1") = "8"
    & skf18("9","7","1","9","6","7","1") = "8"
    & skf18("9","7","1","9","6","8","1") = "8"
    & skf18("9","7","1","9","6","9","1") = "8"
    & skf18("9","7","1","9","6","10","1") = "9"
    & skf18("9","7","1","9","7","1","1") = "8"
    & skf18("9","7","1","9","7","2","1") = "8"
    & skf18("9","7","1","9","7","3","1") = "8"
    & skf18("9","7","1","9","7","4","1") = "8"
    & skf18("9","7","1","9","7","5","1") = "8"
    & skf18("9","7","1","9","7","6","1") = "8"
    & skf18("9","7","1","9","7","7","1") = "8"
    & skf18("9","7","1","9","7","8","1") = "8"
    & skf18("9","7","1","9","7","9","1") = "8"
    & skf18("9","7","1","9","7","10","1") = "9"
    & skf18("9","7","1","9","8","1","1") = "8"
    & skf18("9","7","1","9","8","2","1") = "8"
    & skf18("9","7","1","9","8","3","1") = "8"
    & skf18("9","7","1","9","8","4","1") = "8"
    & skf18("9","7","1","9","8","5","1") = "8"
    & skf18("9","7","1","9","8","6","1") = "8"
    & skf18("9","7","1","9","8","7","1") = "8"
    & skf18("9","7","1","9","8","8","1") = "8"
    & skf18("9","7","1","9","8","9","1") = "8"
    & skf18("9","7","1","9","8","10","1") = "9"
    & skf18("9","7","1","9","9","1","1") = "8"
    & skf18("9","7","1","9","9","2","1") = "8"
    & skf18("9","7","1","9","9","3","1") = "8"
    & skf18("9","7","1","9","9","4","1") = "8"
    & skf18("9","7","1","9","9","5","1") = "8"
    & skf18("9","7","1","9","9","6","1") = "8"
    & skf18("9","7","1","9","9","7","1") = "8"
    & skf18("9","7","1","9","9","8","1") = "8"
    & skf18("9","7","1","9","9","9","1") = "8"
    & skf18("9","7","1","9","9","10","1") = "9"
    & skf18("9","7","1","9","10","1","1") = "9"
    & skf18("9","7","1","9","10","2","1") = "9"
    & skf18("9","7","1","9","10","3","1") = "9"
    & skf18("9","7","1","9","10","4","1") = "9"
    & skf18("9","7","1","9","10","5","1") = "9"
    & skf18("9","7","1","9","10","6","1") = "9"
    & skf18("9","7","1","9","10","7","1") = "9"
    & skf18("9","7","1","9","10","8","1") = "9"
    & skf18("9","7","1","9","10","9","1") = "9"
    & skf18("9","7","1","9","10","10","1") = "9"
    & skf18("9","7","1","10","1","1","1") = "9"
    & skf18("9","7","1","10","1","2","1") = "9"
    & skf18("9","7","1","10","1","3","1") = "9"
    & skf18("9","7","1","10","1","4","1") = "9"
    & skf18("9","7","1","10","1","5","1") = "9"
    & skf18("9","7","1","10","1","6","1") = "9"
    & skf18("9","7","1","10","1","7","1") = "9"
    & skf18("9","7","1","10","1","8","1") = "9"
    & skf18("9","7","1","10","1","9","1") = "9"
    & skf18("9","7","1","10","1","10","1") = "9"
    & skf18("9","7","1","10","2","1","1") = "9"
    & skf18("9","7","1","10","2","2","1") = "9"
    & skf18("9","7","1","10","2","3","1") = "9"
    & skf18("9","7","1","10","2","4","1") = "9"
    & skf18("9","7","1","10","2","5","1") = "9"
    & skf18("9","7","1","10","2","6","1") = "9"
    & skf18("9","7","1","10","2","7","1") = "9"
    & skf18("9","7","1","10","2","8","1") = "9"
    & skf18("9","7","1","10","2","9","1") = "9"
    & skf18("9","7","1","10","2","10","1") = "9"
    & skf18("9","7","1","10","3","1","1") = "9"
    & skf18("9","7","1","10","3","2","1") = "9"
    & skf18("9","7","1","10","3","3","1") = "9"
    & skf18("9","7","1","10","3","4","1") = "9"
    & skf18("9","7","1","10","3","5","1") = "9"
    & skf18("9","7","1","10","3","6","1") = "9"
    & skf18("9","7","1","10","3","7","1") = "9"
    & skf18("9","7","1","10","3","8","1") = "9"
    & skf18("9","7","1","10","3","9","1") = "9"
    & skf18("9","7","1","10","3","10","1") = "9"
    & skf18("9","7","1","10","4","1","1") = "9"
    & skf18("9","7","1","10","4","2","1") = "9"
    & skf18("9","7","1","10","4","3","1") = "9"
    & skf18("9","7","1","10","4","4","1") = "9"
    & skf18("9","7","1","10","4","5","1") = "9"
    & skf18("9","7","1","10","4","6","1") = "9"
    & skf18("9","7","1","10","4","7","1") = "9"
    & skf18("9","7","1","10","4","8","1") = "9"
    & skf18("9","7","1","10","4","9","1") = "9"
    & skf18("9","7","1","10","4","10","1") = "9"
    & skf18("9","7","1","10","5","1","1") = "9"
    & skf18("9","7","1","10","5","2","1") = "9"
    & skf18("9","7","1","10","5","3","1") = "9"
    & skf18("9","7","1","10","5","4","1") = "9"
    & skf18("9","7","1","10","5","5","1") = "9"
    & skf18("9","7","1","10","5","6","1") = "9"
    & skf18("9","7","1","10","5","7","1") = "9"
    & skf18("9","7","1","10","5","8","1") = "9"
    & skf18("9","7","1","10","5","9","1") = "9"
    & skf18("9","7","1","10","5","10","1") = "9"
    & skf18("9","7","1","10","6","1","1") = "9"
    & skf18("9","7","1","10","6","2","1") = "9"
    & skf18("9","7","1","10","6","3","1") = "9"
    & skf18("9","7","1","10","6","4","1") = "9"
    & skf18("9","7","1","10","6","5","1") = "9"
    & skf18("9","7","1","10","6","6","1") = "9"
    & skf18("9","7","1","10","6","7","1") = "9"
    & skf18("9","7","1","10","6","8","1") = "9"
    & skf18("9","7","1","10","6","9","1") = "9"
    & skf18("9","7","1","10","6","10","1") = "9"
    & skf18("9","7","1","10","7","1","1") = "9"
    & skf18("9","7","1","10","7","2","1") = "9"
    & skf18("9","7","1","10","7","3","1") = "9"
    & skf18("9","7","1","10","7","4","1") = "9"
    & skf18("9","7","1","10","7","5","1") = "9"
    & skf18("9","7","1","10","7","6","1") = "9"
    & skf18("9","7","1","10","7","7","1") = "9"
    & skf18("9","7","1","10","7","8","1") = "9"
    & skf18("9","7","1","10","7","9","1") = "9"
    & skf18("9","7","1","10","7","10","1") = "9"
    & skf18("9","7","1","10","8","1","1") = "9"
    & skf18("9","7","1","10","8","2","1") = "9"
    & skf18("9","7","1","10","8","3","1") = "9"
    & skf18("9","7","1","10","8","4","1") = "9"
    & skf18("9","7","1","10","8","5","1") = "9"
    & skf18("9","7","1","10","8","6","1") = "9"
    & skf18("9","7","1","10","8","7","1") = "9"
    & skf18("9","7","1","10","8","8","1") = "9"
    & skf18("9","7","1","10","8","9","1") = "9"
    & skf18("9","7","1","10","8","10","1") = "9"
    & skf18("9","7","1","10","9","1","1") = "9"
    & skf18("9","7","1","10","9","2","1") = "9"
    & skf18("9","7","1","10","9","3","1") = "9"
    & skf18("9","7","1","10","9","4","1") = "9"
    & skf18("9","7","1","10","9","5","1") = "9"
    & skf18("9","7","1","10","9","6","1") = "9"
    & skf18("9","7","1","10","9","7","1") = "9"
    & skf18("9","7","1","10","9","8","1") = "9"
    & skf18("9","7","1","10","9","9","1") = "9"
    & skf18("9","7","1","10","9","10","1") = "9"
    & skf18("9","7","1","10","10","1","1") = "9"
    & skf18("9","7","1","10","10","2","1") = "9"
    & skf18("9","7","1","10","10","3","1") = "9"
    & skf18("9","7","1","10","10","4","1") = "9"
    & skf18("9","7","1","10","10","5","1") = "9"
    & skf18("9","7","1","10","10","6","1") = "9"
    & skf18("9","7","1","10","10","7","1") = "9"
    & skf18("9","7","1","10","10","8","1") = "9"
    & skf18("9","7","1","10","10","9","1") = "9"
    & skf18("9","7","1","10","10","10","1") = "9"
    & skf18("9","7","2","1","1","1","1") = "8"
    & skf18("9","7","2","1","1","2","1") = "8"
    & skf18("9","7","2","1","1","3","1") = "8"
    & skf18("9","7","2","1","1","4","1") = "8"
    & skf18("9","7","2","1","1","5","1") = "8"
    & skf18("9","7","2","1","1","6","1") = "8"
    & skf18("9","7","2","1","1","7","1") = "8"
    & skf18("9","7","2","1","1","8","1") = "8"
    & skf18("9","7","2","1","1","9","1") = "8"
    & skf18("9","7","2","1","1","10","1") = "9"
    & skf18("9","7","2","1","2","1","1") = "8"
    & skf18("9","7","2","1","2","2","1") = "8"
    & skf18("9","7","2","1","2","3","1") = "8"
    & skf18("9","7","2","1","2","4","1") = "8"
    & skf18("9","7","2","1","2","5","1") = "8"
    & skf18("9","7","2","1","2","6","1") = "8"
    & skf18("9","7","2","1","2","7","1") = "8"
    & skf18("9","7","2","1","2","8","1") = "8"
    & skf18("9","7","2","1","2","9","1") = "8"
    & skf18("9","7","2","1","2","10","1") = "9"
    & skf18("9","7","2","1","3","1","1") = "8"
    & skf18("9","7","2","1","3","2","1") = "8"
    & skf18("9","7","2","1","3","3","1") = "8"
    & skf18("9","7","2","1","3","4","1") = "8"
    & skf18("9","7","2","1","3","5","1") = "8"
    & skf18("9","7","2","1","3","6","1") = "8"
    & skf18("9","7","2","1","3","7","1") = "8"
    & skf18("9","7","2","1","3","8","1") = "8"
    & skf18("9","7","2","1","3","9","1") = "8"
    & skf18("9","7","2","1","3","10","1") = "9"
    & skf18("9","7","2","1","4","1","1") = "8"
    & skf18("9","7","2","1","4","2","1") = "8"
    & skf18("9","7","2","1","4","3","1") = "8"
    & skf18("9","7","2","1","4","4","1") = "8"
    & skf18("9","7","2","1","4","5","1") = "8"
    & skf18("9","7","2","1","4","6","1") = "8"
    & skf18("9","7","2","1","4","7","1") = "8"
    & skf18("9","7","2","1","4","8","1") = "8"
    & skf18("9","7","2","1","4","9","1") = "8"
    & skf18("9","7","2","1","4","10","1") = "9"
    & skf18("9","7","2","1","5","1","1") = "8"
    & skf18("9","7","2","1","5","2","1") = "8"
    & skf18("9","7","2","1","5","3","1") = "8"
    & skf18("9","7","2","1","5","4","1") = "8"
    & skf18("9","7","2","1","5","5","1") = "8"
    & skf18("9","7","2","1","5","6","1") = "8"
    & skf18("9","7","2","1","5","7","1") = "8"
    & skf18("9","7","2","1","5","8","1") = "8"
    & skf18("9","7","2","1","5","9","1") = "8"
    & skf18("9","7","2","1","5","10","1") = "9"
    & skf18("9","7","2","1","6","1","1") = "8"
    & skf18("9","7","2","1","6","2","1") = "8"
    & skf18("9","7","2","1","6","3","1") = "8"
    & skf18("9","7","2","1","6","4","1") = "8"
    & skf18("9","7","2","1","6","5","1") = "8"
    & skf18("9","7","2","1","6","6","1") = "8"
    & skf18("9","7","2","1","6","7","1") = "8"
    & skf18("9","7","2","1","6","8","1") = "8"
    & skf18("9","7","2","1","6","9","1") = "8"
    & skf18("9","7","2","1","6","10","1") = "9"
    & skf18("9","7","2","1","7","1","1") = "8"
    & skf18("9","7","2","1","7","2","1") = "8"
    & skf18("9","7","2","1","7","3","1") = "8"
    & skf18("9","7","2","1","7","4","1") = "8"
    & skf18("9","7","2","1","7","5","1") = "8"
    & skf18("9","7","2","1","7","6","1") = "8"
    & skf18("9","7","2","1","7","7","1") = "8"
    & skf18("9","7","2","1","7","8","1") = "8"
    & skf18("9","7","2","1","7","9","1") = "8"
    & skf18("9","7","2","1","7","10","1") = "9"
    & skf18("9","7","2","1","8","1","1") = "8"
    & skf18("9","7","2","1","8","2","1") = "8"
    & skf18("9","7","2","1","8","3","1") = "8"
    & skf18("9","7","2","1","8","4","1") = "8"
    & skf18("9","7","2","1","8","5","1") = "8"
    & skf18("9","7","2","1","8","6","1") = "8"
    & skf18("9","7","2","1","8","7","1") = "8"
    & skf18("9","7","2","1","8","8","1") = "8"
    & skf18("9","7","2","1","8","9","1") = "8"
    & skf18("9","7","2","1","8","10","1") = "9"
    & skf18("9","7","2","1","9","1","1") = "8"
    & skf18("9","7","2","1","9","2","1") = "8"
    & skf18("9","7","2","1","9","3","1") = "8"
    & skf18("9","7","2","1","9","4","1") = "8"
    & skf18("9","7","2","1","9","5","1") = "8"
    & skf18("9","7","2","1","9","6","1") = "8"
    & skf18("9","7","2","1","9","7","1") = "8"
    & skf18("9","7","2","1","9","8","1") = "8"
    & skf18("9","7","2","1","9","9","1") = "8"
    & skf18("9","7","2","1","9","10","1") = "9"
    & skf18("9","7","2","1","10","1","1") = "9"
    & skf18("9","7","2","1","10","2","1") = "9"
    & skf18("9","7","2","1","10","3","1") = "9"
    & skf18("9","7","2","1","10","4","1") = "9"
    & skf18("9","7","2","1","10","5","1") = "9"
    & skf18("9","7","2","1","10","6","1") = "9"
    & skf18("9","7","2","1","10","7","1") = "9"
    & skf18("9","7","2","1","10","8","1") = "9"
    & skf18("9","7","2","1","10","9","1") = "9"
    & skf18("9","7","2","1","10","10","1") = "9"
    & skf18("9","7","2","2","1","1","1") = "8"
    & skf18("9","7","2","2","1","2","1") = "8"
    & skf18("9","7","2","2","1","3","1") = "8"
    & skf18("9","7","2","2","1","4","1") = "8"
    & skf18("9","7","2","2","1","5","1") = "8"
    & skf18("9","7","2","2","1","6","1") = "8"
    & skf18("9","7","2","2","1","7","1") = "8"
    & skf18("9","7","2","2","1","8","1") = "8"
    & skf18("9","7","2","2","1","9","1") = "8"
    & skf18("9","7","2","2","1","10","1") = "9"
    & skf18("9","7","2","2","2","1","1") = "8"
    & skf18("9","7","2","2","2","2","1") = "8"
    & skf18("9","7","2","2","2","3","1") = "8"
    & skf18("9","7","2","2","2","4","1") = "8"
    & skf18("9","7","2","2","2","5","1") = "8"
    & skf18("9","7","2","2","2","6","1") = "8"
    & skf18("9","7","2","2","2","7","1") = "8"
    & skf18("9","7","2","2","2","8","1") = "8"
    & skf18("9","7","2","2","2","9","1") = "8"
    & skf18("9","7","2","2","2","10","1") = "9"
    & skf18("9","7","2","2","3","1","1") = "8"
    & skf18("9","7","2","2","3","2","1") = "8"
    & skf18("9","7","2","2","3","3","1") = "8"
    & skf18("9","7","2","2","3","4","1") = "8"
    & skf18("9","7","2","2","3","5","1") = "8"
    & skf18("9","7","2","2","3","6","1") = "8"
    & skf18("9","7","2","2","3","7","1") = "8"
    & skf18("9","7","2","2","3","8","1") = "8"
    & skf18("9","7","2","2","3","9","1") = "8"
    & skf18("9","7","2","2","3","10","1") = "9"
    & skf18("9","7","2","2","4","1","1") = "8"
    & skf18("9","7","2","2","4","2","1") = "8"
    & skf18("9","7","2","2","4","3","1") = "8"
    & skf18("9","7","2","2","4","4","1") = "8"
    & skf18("9","7","2","2","4","5","1") = "8"
    & skf18("9","7","2","2","4","6","1") = "8"
    & skf18("9","7","2","2","4","7","1") = "8"
    & skf18("9","7","2","2","4","8","1") = "8"
    & skf18("9","7","2","2","4","9","1") = "8"
    & skf18("9","7","2","2","4","10","1") = "9"
    & skf18("9","7","2","2","5","1","1") = "8"
    & skf18("9","7","2","2","5","2","1") = "8"
    & skf18("9","7","2","2","5","3","1") = "8"
    & skf18("9","7","2","2","5","4","1") = "8"
    & skf18("9","7","2","2","5","5","1") = "8"
    & skf18("9","7","2","2","5","6","1") = "8"
    & skf18("9","7","2","2","5","7","1") = "8"
    & skf18("9","7","2","2","5","8","1") = "8"
    & skf18("9","7","2","2","5","9","1") = "8"
    & skf18("9","7","2","2","5","10","1") = "9"
    & skf18("9","7","2","2","6","1","1") = "8"
    & skf18("9","7","2","2","6","2","1") = "8"
    & skf18("9","7","2","2","6","3","1") = "8"
    & skf18("9","7","2","2","6","4","1") = "8"
    & skf18("9","7","2","2","6","5","1") = "8"
    & skf18("9","7","2","2","6","6","1") = "8"
    & skf18("9","7","2","2","6","7","1") = "8"
    & skf18("9","7","2","2","6","8","1") = "8"
    & skf18("9","7","2","2","6","9","1") = "8"
    & skf18("9","7","2","2","6","10","1") = "9"
    & skf18("9","7","2","2","7","1","1") = "8"
    & skf18("9","7","2","2","7","2","1") = "8"
    & skf18("9","7","2","2","7","3","1") = "8"
    & skf18("9","7","2","2","7","4","1") = "8"
    & skf18("9","7","2","2","7","5","1") = "8"
    & skf18("9","7","2","2","7","6","1") = "8"
    & skf18("9","7","2","2","7","7","1") = "8"
    & skf18("9","7","2","2","7","8","1") = "8"
    & skf18("9","7","2","2","7","9","1") = "8"
    & skf18("9","7","2","2","7","10","1") = "9"
    & skf18("9","7","2","2","8","1","1") = "8"
    & skf18("9","7","2","2","8","2","1") = "8"
    & skf18("9","7","2","2","8","3","1") = "8"
    & skf18("9","7","2","2","8","4","1") = "8"
    & skf18("9","7","2","2","8","5","1") = "8"
    & skf18("9","7","2","2","8","6","1") = "8"
    & skf18("9","7","2","2","8","7","1") = "8"
    & skf18("9","7","2","2","8","8","1") = "8"
    & skf18("9","7","2","2","8","9","1") = "8"
    & skf18("9","7","2","2","8","10","1") = "9"
    & skf18("9","7","2","2","9","1","1") = "8"
    & skf18("9","7","2","2","9","2","1") = "8"
    & skf18("9","7","2","2","9","3","1") = "8"
    & skf18("9","7","2","2","9","4","1") = "8"
    & skf18("9","7","2","2","9","5","1") = "8"
    & skf18("9","7","2","2","9","6","1") = "8"
    & skf18("9","7","2","2","9","7","1") = "8"
    & skf18("9","7","2","2","9","8","1") = "8"
    & skf18("9","7","2","2","9","9","1") = "8"
    & skf18("9","7","2","2","9","10","1") = "9"
    & skf18("9","7","2","2","10","1","1") = "9"
    & skf18("9","7","2","2","10","2","1") = "9"
    & skf18("9","7","2","2","10","3","1") = "9"
    & skf18("9","7","2","2","10","4","1") = "9"
    & skf18("9","7","2","2","10","5","1") = "9"
    & skf18("9","7","2","2","10","6","1") = "9"
    & skf18("9","7","2","2","10","7","1") = "9"
    & skf18("9","7","2","2","10","8","1") = "9"
    & skf18("9","7","2","2","10","9","1") = "9"
    & skf18("9","7","2","2","10","10","1") = "9"
    & skf18("9","7","2","3","1","1","1") = "8"
    & skf18("9","7","2","3","1","2","1") = "8"
    & skf18("9","7","2","3","1","3","1") = "8"
    & skf18("9","7","2","3","1","4","1") = "8"
    & skf18("9","7","2","3","1","5","1") = "8"
    & skf18("9","7","2","3","1","6","1") = "8"
    & skf18("9","7","2","3","1","7","1") = "8"
    & skf18("9","7","2","3","1","8","1") = "8"
    & skf18("9","7","2","3","1","9","1") = "8"
    & skf18("9","7","2","3","1","10","1") = "9"
    & skf18("9","7","2","3","2","1","1") = "8"
    & skf18("9","7","2","3","2","2","1") = "8"
    & skf18("9","7","2","3","2","3","1") = "8"
    & skf18("9","7","2","3","2","4","1") = "8"
    & skf18("9","7","2","3","2","5","1") = "8"
    & skf18("9","7","2","3","2","6","1") = "8"
    & skf18("9","7","2","3","2","7","1") = "8"
    & skf18("9","7","2","3","2","8","1") = "8"
    & skf18("9","7","2","3","2","9","1") = "8"
    & skf18("9","7","2","3","2","10","1") = "9"
    & skf18("9","7","2","3","3","1","1") = "8"
    & skf18("9","7","2","3","3","2","1") = "8"
    & skf18("9","7","2","3","3","3","1") = "8"
    & skf18("9","7","2","3","3","4","1") = "8"
    & skf18("9","7","2","3","3","5","1") = "8"
    & skf18("9","7","2","3","3","6","1") = "8"
    & skf18("9","7","2","3","3","7","1") = "8"
    & skf18("9","7","2","3","3","8","1") = "8"
    & skf18("9","7","2","3","3","9","1") = "8"
    & skf18("9","7","2","3","3","10","1") = "9"
    & skf18("9","7","2","3","4","1","1") = "8"
    & skf18("9","7","2","3","4","2","1") = "8"
    & skf18("9","7","2","3","4","3","1") = "8"
    & skf18("9","7","2","3","4","4","1") = "8"
    & skf18("9","7","2","3","4","5","1") = "8"
    & skf18("9","7","2","3","4","6","1") = "8"
    & skf18("9","7","2","3","4","7","1") = "8"
    & skf18("9","7","2","3","4","8","1") = "8"
    & skf18("9","7","2","3","4","9","1") = "8"
    & skf18("9","7","2","3","4","10","1") = "9"
    & skf18("9","7","2","3","5","1","1") = "8"
    & skf18("9","7","2","3","5","2","1") = "8"
    & skf18("9","7","2","3","5","3","1") = "8"
    & skf18("9","7","2","3","5","4","1") = "8"
    & skf18("9","7","2","3","5","5","1") = "8"
    & skf18("9","7","2","3","5","6","1") = "8"
    & skf18("9","7","2","3","5","7","1") = "8"
    & skf18("9","7","2","3","5","8","1") = "8"
    & skf18("9","7","2","3","5","9","1") = "8"
    & skf18("9","7","2","3","5","10","1") = "9"
    & skf18("9","7","2","3","6","1","1") = "8"
    & skf18("9","7","2","3","6","2","1") = "8"
    & skf18("9","7","2","3","6","3","1") = "8"
    & skf18("9","7","2","3","6","4","1") = "8"
    & skf18("9","7","2","3","6","5","1") = "8"
    & skf18("9","7","2","3","6","6","1") = "8"
    & skf18("9","7","2","3","6","7","1") = "8"
    & skf18("9","7","2","3","6","8","1") = "8"
    & skf18("9","7","2","3","6","9","1") = "8"
    & skf18("9","7","2","3","6","10","1") = "9"
    & skf18("9","7","2","3","7","1","1") = "8"
    & skf18("9","7","2","3","7","2","1") = "8"
    & skf18("9","7","2","3","7","3","1") = "8"
    & skf18("9","7","2","3","7","4","1") = "8"
    & skf18("9","7","2","3","7","5","1") = "8"
    & skf18("9","7","2","3","7","6","1") = "8"
    & skf18("9","7","2","3","7","7","1") = "8"
    & skf18("9","7","2","3","7","8","1") = "8"
    & skf18("9","7","2","3","7","9","1") = "8"
    & skf18("9","7","2","3","7","10","1") = "9"
    & skf18("9","7","2","3","8","1","1") = "8"
    & skf18("9","7","2","3","8","2","1") = "8"
    & skf18("9","7","2","3","8","3","1") = "8"
    & skf18("9","7","2","3","8","4","1") = "8"
    & skf18("9","7","2","3","8","5","1") = "8"
    & skf18("9","7","2","3","8","6","1") = "8"
    & skf18("9","7","2","3","8","7","1") = "8"
    & skf18("9","7","2","3","8","8","1") = "8"
    & skf18("9","7","2","3","8","9","1") = "8"
    & skf18("9","7","2","3","8","10","1") = "9"
    & skf18("9","7","2","3","9","1","1") = "8"
    & skf18("9","7","2","3","9","2","1") = "8"
    & skf18("9","7","2","3","9","3","1") = "8"
    & skf18("9","7","2","3","9","4","1") = "8"
    & skf18("9","7","2","3","9","5","1") = "8"
    & skf18("9","7","2","3","9","6","1") = "8"
    & skf18("9","7","2","3","9","7","1") = "8"
    & skf18("9","7","2","3","9","8","1") = "8"
    & skf18("9","7","2","3","9","9","1") = "8"
    & skf18("9","7","2","3","9","10","1") = "9"
    & skf18("9","7","2","3","10","1","1") = "9"
    & skf18("9","7","2","3","10","2","1") = "9"
    & skf18("9","7","2","3","10","3","1") = "9"
    & skf18("9","7","2","3","10","4","1") = "9"
    & skf18("9","7","2","3","10","5","1") = "9"
    & skf18("9","7","2","3","10","6","1") = "9"
    & skf18("9","7","2","3","10","7","1") = "9"
    & skf18("9","7","2","3","10","8","1") = "9"
    & skf18("9","7","2","3","10","9","1") = "9"
    & skf18("9","7","2","3","10","10","1") = "9"
    & skf18("9","7","2","4","1","1","1") = "8"
    & skf18("9","7","2","4","1","2","1") = "8"
    & skf18("9","7","2","4","1","3","1") = "8"
    & skf18("9","7","2","4","1","4","1") = "8"
    & skf18("9","7","2","4","1","5","1") = "8"
    & skf18("9","7","2","4","1","6","1") = "8"
    & skf18("9","7","2","4","1","7","1") = "8"
    & skf18("9","7","2","4","1","8","1") = "8"
    & skf18("9","7","2","4","1","9","1") = "8"
    & skf18("9","7","2","4","1","10","1") = "9"
    & skf18("9","7","2","4","2","1","1") = "8"
    & skf18("9","7","2","4","2","2","1") = "8"
    & skf18("9","7","2","4","2","3","1") = "8"
    & skf18("9","7","2","4","2","4","1") = "8"
    & skf18("9","7","2","4","2","5","1") = "8"
    & skf18("9","7","2","4","2","6","1") = "8"
    & skf18("9","7","2","4","2","7","1") = "8"
    & skf18("9","7","2","4","2","8","1") = "8"
    & skf18("9","7","2","4","2","9","1") = "8"
    & skf18("9","7","2","4","2","10","1") = "9"
    & skf18("9","7","2","4","3","1","1") = "8"
    & skf18("9","7","2","4","3","2","1") = "8"
    & skf18("9","7","2","4","3","3","1") = "8"
    & skf18("9","7","2","4","3","4","1") = "8"
    & skf18("9","7","2","4","3","5","1") = "8"
    & skf18("9","7","2","4","3","6","1") = "8"
    & skf18("9","7","2","4","3","7","1") = "8"
    & skf18("9","7","2","4","3","8","1") = "8"
    & skf18("9","7","2","4","3","9","1") = "8"
    & skf18("9","7","2","4","3","10","1") = "9"
    & skf18("9","7","2","4","4","1","1") = "8"
    & skf18("9","7","2","4","4","2","1") = "8"
    & skf18("9","7","2","4","4","3","1") = "8"
    & skf18("9","7","2","4","4","4","1") = "8"
    & skf18("9","7","2","4","4","5","1") = "8"
    & skf18("9","7","2","4","4","6","1") = "8"
    & skf18("9","7","2","4","4","7","1") = "8"
    & skf18("9","7","2","4","4","8","1") = "8"
    & skf18("9","7","2","4","4","9","1") = "8"
    & skf18("9","7","2","4","4","10","1") = "9"
    & skf18("9","7","2","4","5","1","1") = "8"
    & skf18("9","7","2","4","5","2","1") = "8"
    & skf18("9","7","2","4","5","3","1") = "8"
    & skf18("9","7","2","4","5","4","1") = "8"
    & skf18("9","7","2","4","5","5","1") = "8"
    & skf18("9","7","2","4","5","6","1") = "8"
    & skf18("9","7","2","4","5","7","1") = "8"
    & skf18("9","7","2","4","5","8","1") = "8"
    & skf18("9","7","2","4","5","9","1") = "8"
    & skf18("9","7","2","4","5","10","1") = "9"
    & skf18("9","7","2","4","6","1","1") = "8"
    & skf18("9","7","2","4","6","2","1") = "8"
    & skf18("9","7","2","4","6","3","1") = "8"
    & skf18("9","7","2","4","6","4","1") = "8"
    & skf18("9","7","2","4","6","5","1") = "8"
    & skf18("9","7","2","4","6","6","1") = "8"
    & skf18("9","7","2","4","6","7","1") = "8"
    & skf18("9","7","2","4","6","8","1") = "8"
    & skf18("9","7","2","4","6","9","1") = "8"
    & skf18("9","7","2","4","6","10","1") = "9"
    & skf18("9","7","2","4","7","1","1") = "8"
    & skf18("9","7","2","4","7","2","1") = "8"
    & skf18("9","7","2","4","7","3","1") = "8"
    & skf18("9","7","2","4","7","4","1") = "8"
    & skf18("9","7","2","4","7","5","1") = "8"
    & skf18("9","7","2","4","7","6","1") = "8"
    & skf18("9","7","2","4","7","7","1") = "8"
    & skf18("9","7","2","4","7","8","1") = "8"
    & skf18("9","7","2","4","7","9","1") = "8"
    & skf18("9","7","2","4","7","10","1") = "9"
    & skf18("9","7","2","4","8","1","1") = "8"
    & skf18("9","7","2","4","8","2","1") = "8"
    & skf18("9","7","2","4","8","3","1") = "8"
    & skf18("9","7","2","4","8","4","1") = "8"
    & skf18("9","7","2","4","8","5","1") = "8"
    & skf18("9","7","2","4","8","6","1") = "8"
    & skf18("9","7","2","4","8","7","1") = "8"
    & skf18("9","7","2","4","8","8","1") = "8"
    & skf18("9","7","2","4","8","9","1") = "8"
    & skf18("9","7","2","4","8","10","1") = "9"
    & skf18("9","7","2","4","9","1","1") = "8"
    & skf18("9","7","2","4","9","2","1") = "8"
    & skf18("9","7","2","4","9","3","1") = "8"
    & skf18("9","7","2","4","9","4","1") = "8"
    & skf18("9","7","2","4","9","5","1") = "8"
    & skf18("9","7","2","4","9","6","1") = "8"
    & skf18("9","7","2","4","9","7","1") = "8"
    & skf18("9","7","2","4","9","8","1") = "8"
    & skf18("9","7","2","4","9","9","1") = "8"
    & skf18("9","7","2","4","9","10","1") = "9"
    & skf18("9","7","2","4","10","1","1") = "9"
    & skf18("9","7","2","4","10","2","1") = "9"
    & skf18("9","7","2","4","10","3","1") = "9"
    & skf18("9","7","2","4","10","4","1") = "9"
    & skf18("9","7","2","4","10","5","1") = "9"
    & skf18("9","7","2","4","10","6","1") = "9"
    & skf18("9","7","2","4","10","7","1") = "9"
    & skf18("9","7","2","4","10","8","1") = "9"
    & skf18("9","7","2","4","10","9","1") = "9"
    & skf18("9","7","2","4","10","10","1") = "9"
    & skf18("9","7","2","5","1","1","1") = "8"
    & skf18("9","7","2","5","1","2","1") = "8"
    & skf18("9","7","2","5","1","3","1") = "8"
    & skf18("9","7","2","5","1","4","1") = "8"
    & skf18("9","7","2","5","1","5","1") = "8"
    & skf18("9","7","2","5","1","6","1") = "8"
    & skf18("9","7","2","5","1","7","1") = "8"
    & skf18("9","7","2","5","1","8","1") = "8"
    & skf18("9","7","2","5","1","9","1") = "8"
    & skf18("9","7","2","5","1","10","1") = "9"
    & skf18("9","7","2","5","2","1","1") = "8"
    & skf18("9","7","2","5","2","2","1") = "8"
    & skf18("9","7","2","5","2","3","1") = "8"
    & skf18("9","7","2","5","2","4","1") = "8"
    & skf18("9","7","2","5","2","5","1") = "8"
    & skf18("9","7","2","5","2","6","1") = "8"
    & skf18("9","7","2","5","2","7","1") = "8"
    & skf18("9","7","2","5","2","8","1") = "8"
    & skf18("9","7","2","5","2","9","1") = "8"
    & skf18("9","7","2","5","2","10","1") = "9"
    & skf18("9","7","2","5","3","1","1") = "8"
    & skf18("9","7","2","5","3","2","1") = "8"
    & skf18("9","7","2","5","3","3","1") = "8"
    & skf18("9","7","2","5","3","4","1") = "8"
    & skf18("9","7","2","5","3","5","1") = "8"
    & skf18("9","7","2","5","3","6","1") = "8"
    & skf18("9","7","2","5","3","7","1") = "8"
    & skf18("9","7","2","5","3","8","1") = "8"
    & skf18("9","7","2","5","3","9","1") = "8"
    & skf18("9","7","2","5","3","10","1") = "9"
    & skf18("9","7","2","5","4","1","1") = "8"
    & skf18("9","7","2","5","4","2","1") = "8"
    & skf18("9","7","2","5","4","3","1") = "8"
    & skf18("9","7","2","5","4","4","1") = "8"
    & skf18("9","7","2","5","4","5","1") = "8"
    & skf18("9","7","2","5","4","6","1") = "8"
    & skf18("9","7","2","5","4","7","1") = "8"
    & skf18("9","7","2","5","4","8","1") = "8"
    & skf18("9","7","2","5","4","9","1") = "8"
    & skf18("9","7","2","5","4","10","1") = "9"
    & skf18("9","7","2","5","5","1","1") = "8"
    & skf18("9","7","2","5","5","2","1") = "8"
    & skf18("9","7","2","5","5","3","1") = "8"
    & skf18("9","7","2","5","5","4","1") = "8"
    & skf18("9","7","2","5","5","5","1") = "8"
    & skf18("9","7","2","5","5","6","1") = "8"
    & skf18("9","7","2","5","5","7","1") = "8"
    & skf18("9","7","2","5","5","8","1") = "8"
    & skf18("9","7","2","5","5","9","1") = "8"
    & skf18("9","7","2","5","5","10","1") = "9"
    & skf18("9","7","2","5","6","1","1") = "8"
    & skf18("9","7","2","5","6","2","1") = "8"
    & skf18("9","7","2","5","6","3","1") = "8"
    & skf18("9","7","2","5","6","4","1") = "8"
    & skf18("9","7","2","5","6","5","1") = "8"
    & skf18("9","7","2","5","6","6","1") = "8"
    & skf18("9","7","2","5","6","7","1") = "8"
    & skf18("9","7","2","5","6","8","1") = "8"
    & skf18("9","7","2","5","6","9","1") = "8"
    & skf18("9","7","2","5","6","10","1") = "9"
    & skf18("9","7","2","5","7","1","1") = "8"
    & skf18("9","7","2","5","7","2","1") = "8"
    & skf18("9","7","2","5","7","3","1") = "8"
    & skf18("9","7","2","5","7","4","1") = "8"
    & skf18("9","7","2","5","7","5","1") = "8"
    & skf18("9","7","2","5","7","6","1") = "8"
    & skf18("9","7","2","5","7","7","1") = "8"
    & skf18("9","7","2","5","7","8","1") = "8"
    & skf18("9","7","2","5","7","9","1") = "8"
    & skf18("9","7","2","5","7","10","1") = "9"
    & skf18("9","7","2","5","8","1","1") = "8"
    & skf18("9","7","2","5","8","2","1") = "8"
    & skf18("9","7","2","5","8","3","1") = "8"
    & skf18("9","7","2","5","8","4","1") = "8"
    & skf18("9","7","2","5","8","5","1") = "8"
    & skf18("9","7","2","5","8","6","1") = "8"
    & skf18("9","7","2","5","8","7","1") = "8"
    & skf18("9","7","2","5","8","8","1") = "8"
    & skf18("9","7","2","5","8","9","1") = "8"
    & skf18("9","7","2","5","8","10","1") = "9"
    & skf18("9","7","2","5","9","1","1") = "8"
    & skf18("9","7","2","5","9","2","1") = "8"
    & skf18("9","7","2","5","9","3","1") = "8"
    & skf18("9","7","2","5","9","4","1") = "8"
    & skf18("9","7","2","5","9","5","1") = "8"
    & skf18("9","7","2","5","9","6","1") = "8"
    & skf18("9","7","2","5","9","7","1") = "8"
    & skf18("9","7","2","5","9","8","1") = "8"
    & skf18("9","7","2","5","9","9","1") = "8"
    & skf18("9","7","2","5","9","10","1") = "9"
    & skf18("9","7","2","5","10","1","1") = "9"
    & skf18("9","7","2","5","10","2","1") = "9"
    & skf18("9","7","2","5","10","3","1") = "9"
    & skf18("9","7","2","5","10","4","1") = "9"
    & skf18("9","7","2","5","10","5","1") = "9"
    & skf18("9","7","2","5","10","6","1") = "9"
    & skf18("9","7","2","5","10","7","1") = "9"
    & skf18("9","7","2","5","10","8","1") = "9"
    & skf18("9","7","2","5","10","9","1") = "9"
    & skf18("9","7","2","5","10","10","1") = "9"
    & skf18("9","7","2","6","1","1","1") = "8"
    & skf18("9","7","2","6","1","2","1") = "8"
    & skf18("9","7","2","6","1","3","1") = "8"
    & skf18("9","7","2","6","1","4","1") = "8"
    & skf18("9","7","2","6","1","5","1") = "8"
    & skf18("9","7","2","6","1","6","1") = "8"
    & skf18("9","7","2","6","1","7","1") = "8"
    & skf18("9","7","2","6","1","8","1") = "8"
    & skf18("9","7","2","6","1","9","1") = "8"
    & skf18("9","7","2","6","1","10","1") = "9"
    & skf18("9","7","2","6","2","1","1") = "8"
    & skf18("9","7","2","6","2","2","1") = "8"
    & skf18("9","7","2","6","2","3","1") = "8"
    & skf18("9","7","2","6","2","4","1") = "8"
    & skf18("9","7","2","6","2","5","1") = "8"
    & skf18("9","7","2","6","2","6","1") = "8"
    & skf18("9","7","2","6","2","7","1") = "8"
    & skf18("9","7","2","6","2","8","1") = "8"
    & skf18("9","7","2","6","2","9","1") = "8"
    & skf18("9","7","2","6","2","10","1") = "9"
    & skf18("9","7","2","6","3","1","1") = "8"
    & skf18("9","7","2","6","3","2","1") = "8"
    & skf18("9","7","2","6","3","3","1") = "8"
    & skf18("9","7","2","6","3","4","1") = "8"
    & skf18("9","7","2","6","3","5","1") = "8"
    & skf18("9","7","2","6","3","6","1") = "8"
    & skf18("9","7","2","6","3","7","1") = "8"
    & skf18("9","7","2","6","3","8","1") = "8"
    & skf18("9","7","2","6","3","9","1") = "8"
    & skf18("9","7","2","6","3","10","1") = "9"
    & skf18("9","7","2","6","4","1","1") = "8"
    & skf18("9","7","2","6","4","2","1") = "8"
    & skf18("9","7","2","6","4","3","1") = "8"
    & skf18("9","7","2","6","4","4","1") = "8"
    & skf18("9","7","2","6","4","5","1") = "8"
    & skf18("9","7","2","6","4","6","1") = "8"
    & skf18("9","7","2","6","4","7","1") = "8"
    & skf18("9","7","2","6","4","8","1") = "8"
    & skf18("9","7","2","6","4","9","1") = "8"
    & skf18("9","7","2","6","4","10","1") = "9"
    & skf18("9","7","2","6","5","1","1") = "8"
    & skf18("9","7","2","6","5","2","1") = "8"
    & skf18("9","7","2","6","5","3","1") = "8"
    & skf18("9","7","2","6","5","4","1") = "8"
    & skf18("9","7","2","6","5","5","1") = "8"
    & skf18("9","7","2","6","5","6","1") = "8"
    & skf18("9","7","2","6","5","7","1") = "8"
    & skf18("9","7","2","6","5","8","1") = "8"
    & skf18("9","7","2","6","5","9","1") = "8"
    & skf18("9","7","2","6","5","10","1") = "9"
    & skf18("9","7","2","6","6","1","1") = "8"
    & skf18("9","7","2","6","6","2","1") = "8"
    & skf18("9","7","2","6","6","3","1") = "8"
    & skf18("9","7","2","6","6","4","1") = "8"
    & skf18("9","7","2","6","6","5","1") = "8"
    & skf18("9","7","2","6","6","6","1") = "8"
    & skf18("9","7","2","6","6","7","1") = "8"
    & skf18("9","7","2","6","6","8","1") = "8"
    & skf18("9","7","2","6","6","9","1") = "8"
    & skf18("9","7","2","6","6","10","1") = "9"
    & skf18("9","7","2","6","7","1","1") = "8"
    & skf18("9","7","2","6","7","2","1") = "8"
    & skf18("9","7","2","6","7","3","1") = "8"
    & skf18("9","7","2","6","7","4","1") = "8"
    & skf18("9","7","2","6","7","5","1") = "8"
    & skf18("9","7","2","6","7","6","1") = "8"
    & skf18("9","7","2","6","7","7","1") = "8"
    & skf18("9","7","2","6","7","8","1") = "8"
    & skf18("9","7","2","6","7","9","1") = "8"
    & skf18("9","7","2","6","7","10","1") = "9"
    & skf18("9","7","2","6","8","1","1") = "8"
    & skf18("9","7","2","6","8","2","1") = "8"
    & skf18("9","7","2","6","8","3","1") = "8"
    & skf18("9","7","2","6","8","4","1") = "8"
    & skf18("9","7","2","6","8","5","1") = "8"
    & skf18("9","7","2","6","8","6","1") = "8"
    & skf18("9","7","2","6","8","7","1") = "8"
    & skf18("9","7","2","6","8","8","1") = "8"
    & skf18("9","7","2","6","8","9","1") = "8"
    & skf18("9","7","2","6","8","10","1") = "9"
    & skf18("9","7","2","6","9","1","1") = "8"
    & skf18("9","7","2","6","9","2","1") = "8"
    & skf18("9","7","2","6","9","3","1") = "8"
    & skf18("9","7","2","6","9","4","1") = "8"
    & skf18("9","7","2","6","9","5","1") = "8"
    & skf18("9","7","2","6","9","6","1") = "8"
    & skf18("9","7","2","6","9","7","1") = "8"
    & skf18("9","7","2","6","9","8","1") = "8"
    & skf18("9","7","2","6","9","9","1") = "8"
    & skf18("9","7","2","6","9","10","1") = "9"
    & skf18("9","7","2","6","10","1","1") = "9"
    & skf18("9","7","2","6","10","2","1") = "9"
    & skf18("9","7","2","6","10","3","1") = "9"
    & skf18("9","7","2","6","10","4","1") = "9"
    & skf18("9","7","2","6","10","5","1") = "9"
    & skf18("9","7","2","6","10","6","1") = "9"
    & skf18("9","7","2","6","10","7","1") = "9"
    & skf18("9","7","2","6","10","8","1") = "9"
    & skf18("9","7","2","6","10","9","1") = "9"
    & skf18("9","7","2","6","10","10","1") = "9"
    & skf18("9","7","2","7","1","1","1") = "8"
    & skf18("9","7","2","7","1","2","1") = "8"
    & skf18("9","7","2","7","1","3","1") = "8"
    & skf18("9","7","2","7","1","4","1") = "8"
    & skf18("9","7","2","7","1","5","1") = "8"
    & skf18("9","7","2","7","1","6","1") = "8"
    & skf18("9","7","2","7","1","7","1") = "8"
    & skf18("9","7","2","7","1","8","1") = "8"
    & skf18("9","7","2","7","1","9","1") = "8"
    & skf18("9","7","2","7","1","10","1") = "9"
    & skf18("9","7","2","7","2","1","1") = "8"
    & skf18("9","7","2","7","2","2","1") = "8"
    & skf18("9","7","2","7","2","3","1") = "8"
    & skf18("9","7","2","7","2","4","1") = "8"
    & skf18("9","7","2","7","2","5","1") = "8"
    & skf18("9","7","2","7","2","6","1") = "8"
    & skf18("9","7","2","7","2","7","1") = "8"
    & skf18("9","7","2","7","2","8","1") = "8"
    & skf18("9","7","2","7","2","9","1") = "8"
    & skf18("9","7","2","7","2","10","1") = "9"
    & skf18("9","7","2","7","3","1","1") = "8"
    & skf18("9","7","2","7","3","2","1") = "8"
    & skf18("9","7","2","7","3","3","1") = "8"
    & skf18("9","7","2","7","3","4","1") = "8"
    & skf18("9","7","2","7","3","5","1") = "8"
    & skf18("9","7","2","7","3","6","1") = "8"
    & skf18("9","7","2","7","3","7","1") = "8"
    & skf18("9","7","2","7","3","8","1") = "8"
    & skf18("9","7","2","7","3","9","1") = "8"
    & skf18("9","7","2","7","3","10","1") = "9"
    & skf18("9","7","2","7","4","1","1") = "8"
    & skf18("9","7","2","7","4","2","1") = "8"
    & skf18("9","7","2","7","4","3","1") = "8"
    & skf18("9","7","2","7","4","4","1") = "8"
    & skf18("9","7","2","7","4","5","1") = "8"
    & skf18("9","7","2","7","4","6","1") = "8"
    & skf18("9","7","2","7","4","7","1") = "8"
    & skf18("9","7","2","7","4","8","1") = "8"
    & skf18("9","7","2","7","4","9","1") = "8"
    & skf18("9","7","2","7","4","10","1") = "9"
    & skf18("9","7","2","7","5","1","1") = "8"
    & skf18("9","7","2","7","5","2","1") = "8"
    & skf18("9","7","2","7","5","3","1") = "8"
    & skf18("9","7","2","7","5","4","1") = "8"
    & skf18("9","7","2","7","5","5","1") = "8"
    & skf18("9","7","2","7","5","6","1") = "8"
    & skf18("9","7","2","7","5","7","1") = "8"
    & skf18("9","7","2","7","5","8","1") = "8"
    & skf18("9","7","2","7","5","9","1") = "8"
    & skf18("9","7","2","7","5","10","1") = "9"
    & skf18("9","7","2","7","6","1","1") = "8"
    & skf18("9","7","2","7","6","2","1") = "8"
    & skf18("9","7","2","7","6","3","1") = "8"
    & skf18("9","7","2","7","6","4","1") = "8"
    & skf18("9","7","2","7","6","5","1") = "8"
    & skf18("9","7","2","7","6","6","1") = "8"
    & skf18("9","7","2","7","6","7","1") = "8"
    & skf18("9","7","2","7","6","8","1") = "8"
    & skf18("9","7","2","7","6","9","1") = "8"
    & skf18("9","7","2","7","6","10","1") = "9"
    & skf18("9","7","2","7","7","1","1") = "8"
    & skf18("9","7","2","7","7","2","1") = "8"
    & skf18("9","7","2","7","7","3","1") = "8"
    & skf18("9","7","2","7","7","4","1") = "8"
    & skf18("9","7","2","7","7","5","1") = "8"
    & skf18("9","7","2","7","7","6","1") = "8"
    & skf18("9","7","2","7","7","7","1") = "8"
    & skf18("9","7","2","7","7","8","1") = "8"
    & skf18("9","7","2","7","7","9","1") = "8"
    & skf18("9","7","2","7","7","10","1") = "9"
    & skf18("9","7","2","7","8","1","1") = "8"
    & skf18("9","7","2","7","8","2","1") = "8"
    & skf18("9","7","2","7","8","3","1") = "8"
    & skf18("9","7","2","7","8","4","1") = "8"
    & skf18("9","7","2","7","8","5","1") = "8"
    & skf18("9","7","2","7","8","6","1") = "8"
    & skf18("9","7","2","7","8","7","1") = "8"
    & skf18("9","7","2","7","8","8","1") = "8"
    & skf18("9","7","2","7","8","9","1") = "8"
    & skf18("9","7","2","7","8","10","1") = "9"
    & skf18("9","7","2","7","9","1","1") = "8"
    & skf18("9","7","2","7","9","2","1") = "8"
    & skf18("9","7","2","7","9","3","1") = "8"
    & skf18("9","7","2","7","9","4","1") = "8"
    & skf18("9","7","2","7","9","5","1") = "8"
    & skf18("9","7","2","7","9","6","1") = "8"
    & skf18("9","7","2","7","9","7","1") = "8"
    & skf18("9","7","2","7","9","8","1") = "8"
    & skf18("9","7","2","7","9","9","1") = "8"
    & skf18("9","7","2","7","9","10","1") = "9"
    & skf18("9","7","2","7","10","1","1") = "9"
    & skf18("9","7","2","7","10","2","1") = "9"
    & skf18("9","7","2","7","10","3","1") = "9"
    & skf18("9","7","2","7","10","4","1") = "9"
    & skf18("9","7","2","7","10","5","1") = "9"
    & skf18("9","7","2","7","10","6","1") = "9"
    & skf18("9","7","2","7","10","7","1") = "9"
    & skf18("9","7","2","7","10","8","1") = "9"
    & skf18("9","7","2","7","10","9","1") = "9"
    & skf18("9","7","2","7","10","10","1") = "9"
    & skf18("9","7","2","8","1","1","1") = "8"
    & skf18("9","7","2","8","1","2","1") = "8"
    & skf18("9","7","2","8","1","3","1") = "8"
    & skf18("9","7","2","8","1","4","1") = "8"
    & skf18("9","7","2","8","1","5","1") = "8"
    & skf18("9","7","2","8","1","6","1") = "8"
    & skf18("9","7","2","8","1","7","1") = "8"
    & skf18("9","7","2","8","1","8","1") = "8"
    & skf18("9","7","2","8","1","9","1") = "8"
    & skf18("9","7","2","8","1","10","1") = "9"
    & skf18("9","7","2","8","2","1","1") = "8"
    & skf18("9","7","2","8","2","2","1") = "8"
    & skf18("9","7","2","8","2","3","1") = "8"
    & skf18("9","7","2","8","2","4","1") = "8"
    & skf18("9","7","2","8","2","5","1") = "8"
    & skf18("9","7","2","8","2","6","1") = "8"
    & skf18("9","7","2","8","2","7","1") = "8"
    & skf18("9","7","2","8","2","8","1") = "8"
    & skf18("9","7","2","8","2","9","1") = "8"
    & skf18("9","7","2","8","2","10","1") = "9"
    & skf18("9","7","2","8","3","1","1") = "8"
    & skf18("9","7","2","8","3","2","1") = "8"
    & skf18("9","7","2","8","3","3","1") = "8"
    & skf18("9","7","2","8","3","4","1") = "8"
    & skf18("9","7","2","8","3","5","1") = "8"
    & skf18("9","7","2","8","3","6","1") = "8"
    & skf18("9","7","2","8","3","7","1") = "8"
    & skf18("9","7","2","8","3","8","1") = "8"
    & skf18("9","7","2","8","3","9","1") = "8"
    & skf18("9","7","2","8","3","10","1") = "9"
    & skf18("9","7","2","8","4","1","1") = "8"
    & skf18("9","7","2","8","4","2","1") = "8"
    & skf18("9","7","2","8","4","3","1") = "8"
    & skf18("9","7","2","8","4","4","1") = "8"
    & skf18("9","7","2","8","4","5","1") = "8"
    & skf18("9","7","2","8","4","6","1") = "8"
    & skf18("9","7","2","8","4","7","1") = "8"
    & skf18("9","7","2","8","4","8","1") = "8"
    & skf18("9","7","2","8","4","9","1") = "8"
    & skf18("9","7","2","8","4","10","1") = "9"
    & skf18("9","7","2","8","5","1","1") = "8"
    & skf18("9","7","2","8","5","2","1") = "8"
    & skf18("9","7","2","8","5","3","1") = "8"
    & skf18("9","7","2","8","5","4","1") = "8"
    & skf18("9","7","2","8","5","5","1") = "8"
    & skf18("9","7","2","8","5","6","1") = "8"
    & skf18("9","7","2","8","5","7","1") = "8"
    & skf18("9","7","2","8","5","8","1") = "8"
    & skf18("9","7","2","8","5","9","1") = "8"
    & skf18("9","7","2","8","5","10","1") = "9"
    & skf18("9","7","2","8","6","1","1") = "8"
    & skf18("9","7","2","8","6","2","1") = "8"
    & skf18("9","7","2","8","6","3","1") = "8"
    & skf18("9","7","2","8","6","4","1") = "8"
    & skf18("9","7","2","8","6","5","1") = "8"
    & skf18("9","7","2","8","6","6","1") = "8"
    & skf18("9","7","2","8","6","7","1") = "8"
    & skf18("9","7","2","8","6","8","1") = "8"
    & skf18("9","7","2","8","6","9","1") = "8"
    & skf18("9","7","2","8","6","10","1") = "9"
    & skf18("9","7","2","8","7","1","1") = "8"
    & skf18("9","7","2","8","7","2","1") = "8"
    & skf18("9","7","2","8","7","3","1") = "8"
    & skf18("9","7","2","8","7","4","1") = "8"
    & skf18("9","7","2","8","7","5","1") = "8"
    & skf18("9","7","2","8","7","6","1") = "8"
    & skf18("9","7","2","8","7","7","1") = "8"
    & skf18("9","7","2","8","7","8","1") = "8"
    & skf18("9","7","2","8","7","9","1") = "8"
    & skf18("9","7","2","8","7","10","1") = "9"
    & skf18("9","7","2","8","8","1","1") = "8"
    & skf18("9","7","2","8","8","2","1") = "8"
    & skf18("9","7","2","8","8","3","1") = "8"
    & skf18("9","7","2","8","8","4","1") = "8"
    & skf18("9","7","2","8","8","5","1") = "8"
    & skf18("9","7","2","8","8","6","1") = "8"
    & skf18("9","7","2","8","8","7","1") = "8"
    & skf18("9","7","2","8","8","8","1") = "8"
    & skf18("9","7","2","8","8","9","1") = "8"
    & skf18("9","7","2","8","8","10","1") = "9"
    & skf18("9","7","2","8","9","1","1") = "8"
    & skf18("9","7","2","8","9","2","1") = "8"
    & skf18("9","7","2","8","9","3","1") = "8"
    & skf18("9","7","2","8","9","4","1") = "8"
    & skf18("9","7","2","8","9","5","1") = "8"
    & skf18("9","7","2","8","9","6","1") = "8"
    & skf18("9","7","2","8","9","7","1") = "8"
    & skf18("9","7","2","8","9","8","1") = "8"
    & skf18("9","7","2","8","9","9","1") = "8"
    & skf18("9","7","2","8","9","10","1") = "9"
    & skf18("9","7","2","8","10","1","1") = "9"
    & skf18("9","7","2","8","10","2","1") = "9"
    & skf18("9","7","2","8","10","3","1") = "9"
    & skf18("9","7","2","8","10","4","1") = "9"
    & skf18("9","7","2","8","10","5","1") = "9"
    & skf18("9","7","2","8","10","6","1") = "9"
    & skf18("9","7","2","8","10","7","1") = "9"
    & skf18("9","7","2","8","10","8","1") = "9"
    & skf18("9","7","2","8","10","9","1") = "9"
    & skf18("9","7","2","8","10","10","1") = "9"
    & skf18("9","7","2","9","1","1","1") = "8"
    & skf18("9","7","2","9","1","2","1") = "8"
    & skf18("9","7","2","9","1","3","1") = "8"
    & skf18("9","7","2","9","1","4","1") = "8"
    & skf18("9","7","2","9","1","5","1") = "8"
    & skf18("9","7","2","9","1","6","1") = "8"
    & skf18("9","7","2","9","1","7","1") = "8"
    & skf18("9","7","2","9","1","8","1") = "8"
    & skf18("9","7","2","9","1","9","1") = "8"
    & skf18("9","7","2","9","1","10","1") = "9"
    & skf18("9","7","2","9","2","1","1") = "8"
    & skf18("9","7","2","9","2","2","1") = "8"
    & skf18("9","7","2","9","2","3","1") = "8"
    & skf18("9","7","2","9","2","4","1") = "8"
    & skf18("9","7","2","9","2","5","1") = "8"
    & skf18("9","7","2","9","2","6","1") = "8"
    & skf18("9","7","2","9","2","7","1") = "8"
    & skf18("9","7","2","9","2","8","1") = "8"
    & skf18("9","7","2","9","2","9","1") = "8"
    & skf18("9","7","2","9","2","10","1") = "9"
    & skf18("9","7","2","9","3","1","1") = "8"
    & skf18("9","7","2","9","3","2","1") = "8"
    & skf18("9","7","2","9","3","3","1") = "8"
    & skf18("9","7","2","9","3","4","1") = "8"
    & skf18("9","7","2","9","3","5","1") = "8"
    & skf18("9","7","2","9","3","6","1") = "8"
    & skf18("9","7","2","9","3","7","1") = "8"
    & skf18("9","7","2","9","3","8","1") = "8"
    & skf18("9","7","2","9","3","9","1") = "8"
    & skf18("9","7","2","9","3","10","1") = "9"
    & skf18("9","7","2","9","4","1","1") = "8"
    & skf18("9","7","2","9","4","2","1") = "8"
    & skf18("9","7","2","9","4","3","1") = "8"
    & skf18("9","7","2","9","4","4","1") = "8"
    & skf18("9","7","2","9","4","5","1") = "8"
    & skf18("9","7","2","9","4","6","1") = "8"
    & skf18("9","7","2","9","4","7","1") = "8"
    & skf18("9","7","2","9","4","8","1") = "8"
    & skf18("9","7","2","9","4","9","1") = "8"
    & skf18("9","7","2","9","4","10","1") = "9"
    & skf18("9","7","2","9","5","1","1") = "8"
    & skf18("9","7","2","9","5","2","1") = "8"
    & skf18("9","7","2","9","5","3","1") = "8"
    & skf18("9","7","2","9","5","4","1") = "8"
    & skf18("9","7","2","9","5","5","1") = "8"
    & skf18("9","7","2","9","5","6","1") = "8"
    & skf18("9","7","2","9","5","7","1") = "8"
    & skf18("9","7","2","9","5","8","1") = "8"
    & skf18("9","7","2","9","5","9","1") = "8"
    & skf18("9","7","2","9","5","10","1") = "9"
    & skf18("9","7","2","9","6","1","1") = "8"
    & skf18("9","7","2","9","6","2","1") = "8"
    & skf18("9","7","2","9","6","3","1") = "8"
    & skf18("9","7","2","9","6","4","1") = "8"
    & skf18("9","7","2","9","6","5","1") = "8"
    & skf18("9","7","2","9","6","6","1") = "8"
    & skf18("9","7","2","9","6","7","1") = "8"
    & skf18("9","7","2","9","6","8","1") = "8"
    & skf18("9","7","2","9","6","9","1") = "8"
    & skf18("9","7","2","9","6","10","1") = "9"
    & skf18("9","7","2","9","7","1","1") = "8"
    & skf18("9","7","2","9","7","2","1") = "8"
    & skf18("9","7","2","9","7","3","1") = "8"
    & skf18("9","7","2","9","7","4","1") = "8"
    & skf18("9","7","2","9","7","5","1") = "8"
    & skf18("9","7","2","9","7","6","1") = "8"
    & skf18("9","7","2","9","7","7","1") = "8"
    & skf18("9","7","2","9","7","8","1") = "8"
    & skf18("9","7","2","9","7","9","1") = "8"
    & skf18("9","7","2","9","7","10","1") = "9"
    & skf18("9","7","2","9","8","1","1") = "8"
    & skf18("9","7","2","9","8","2","1") = "8"
    & skf18("9","7","2","9","8","3","1") = "8"
    & skf18("9","7","2","9","8","4","1") = "8"
    & skf18("9","7","2","9","8","5","1") = "8"
    & skf18("9","7","2","9","8","6","1") = "8"
    & skf18("9","7","2","9","8","7","1") = "8"
    & skf18("9","7","2","9","8","8","1") = "8"
    & skf18("9","7","2","9","8","9","1") = "8"
    & skf18("9","7","2","9","8","10","1") = "9"
    & skf18("9","7","2","9","9","1","1") = "8"
    & skf18("9","7","2","9","9","2","1") = "8"
    & skf18("9","7","2","9","9","3","1") = "8"
    & skf18("9","7","2","9","9","4","1") = "8"
    & skf18("9","7","2","9","9","5","1") = "8"
    & skf18("9","7","2","9","9","6","1") = "8"
    & skf18("9","7","2","9","9","7","1") = "8"
    & skf18("9","7","2","9","9","8","1") = "8"
    & skf18("9","7","2","9","9","9","1") = "8"
    & skf18("9","7","2","9","9","10","1") = "9"
    & skf18("9","7","2","9","10","1","1") = "9"
    & skf18("9","7","2","9","10","2","1") = "9"
    & skf18("9","7","2","9","10","3","1") = "9"
    & skf18("9","7","2","9","10","4","1") = "9"
    & skf18("9","7","2","9","10","5","1") = "9"
    & skf18("9","7","2","9","10","6","1") = "9"
    & skf18("9","7","2","9","10","7","1") = "9"
    & skf18("9","7","2","9","10","8","1") = "9"
    & skf18("9","7","2","9","10","9","1") = "9"
    & skf18("9","7","2","9","10","10","1") = "9"
    & skf18("9","7","2","10","1","1","1") = "9"
    & skf18("9","7","2","10","1","2","1") = "9"
    & skf18("9","7","2","10","1","3","1") = "9"
    & skf18("9","7","2","10","1","4","1") = "9"
    & skf18("9","7","2","10","1","5","1") = "9"
    & skf18("9","7","2","10","1","6","1") = "9"
    & skf18("9","7","2","10","1","7","1") = "9"
    & skf18("9","7","2","10","1","8","1") = "9"
    & skf18("9","7","2","10","1","9","1") = "9"
    & skf18("9","7","2","10","1","10","1") = "9"
    & skf18("9","7","2","10","2","1","1") = "9"
    & skf18("9","7","2","10","2","2","1") = "9"
    & skf18("9","7","2","10","2","3","1") = "9"
    & skf18("9","7","2","10","2","4","1") = "9"
    & skf18("9","7","2","10","2","5","1") = "9"
    & skf18("9","7","2","10","2","6","1") = "9"
    & skf18("9","7","2","10","2","7","1") = "9"
    & skf18("9","7","2","10","2","8","1") = "9"
    & skf18("9","7","2","10","2","9","1") = "9"
    & skf18("9","7","2","10","2","10","1") = "9"
    & skf18("9","7","2","10","3","1","1") = "9"
    & skf18("9","7","2","10","3","2","1") = "9"
    & skf18("9","7","2","10","3","3","1") = "9"
    & skf18("9","7","2","10","3","4","1") = "9"
    & skf18("9","7","2","10","3","5","1") = "9"
    & skf18("9","7","2","10","3","6","1") = "9"
    & skf18("9","7","2","10","3","7","1") = "9"
    & skf18("9","7","2","10","3","8","1") = "9"
    & skf18("9","7","2","10","3","9","1") = "9"
    & skf18("9","7","2","10","3","10","1") = "9"
    & skf18("9","7","2","10","4","1","1") = "9"
    & skf18("9","7","2","10","4","2","1") = "9"
    & skf18("9","7","2","10","4","3","1") = "9"
    & skf18("9","7","2","10","4","4","1") = "9"
    & skf18("9","7","2","10","4","5","1") = "9"
    & skf18("9","7","2","10","4","6","1") = "9"
    & skf18("9","7","2","10","4","7","1") = "9"
    & skf18("9","7","2","10","4","8","1") = "9"
    & skf18("9","7","2","10","4","9","1") = "9"
    & skf18("9","7","2","10","4","10","1") = "9"
    & skf18("9","7","2","10","5","1","1") = "9"
    & skf18("9","7","2","10","5","2","1") = "9"
    & skf18("9","7","2","10","5","3","1") = "9"
    & skf18("9","7","2","10","5","4","1") = "9"
    & skf18("9","7","2","10","5","5","1") = "9"
    & skf18("9","7","2","10","5","6","1") = "9"
    & skf18("9","7","2","10","5","7","1") = "9"
    & skf18("9","7","2","10","5","8","1") = "9"
    & skf18("9","7","2","10","5","9","1") = "9"
    & skf18("9","7","2","10","5","10","1") = "9"
    & skf18("9","7","2","10","6","1","1") = "9"
    & skf18("9","7","2","10","6","2","1") = "9"
    & skf18("9","7","2","10","6","3","1") = "9"
    & skf18("9","7","2","10","6","4","1") = "9"
    & skf18("9","7","2","10","6","5","1") = "9"
    & skf18("9","7","2","10","6","6","1") = "9"
    & skf18("9","7","2","10","6","7","1") = "9"
    & skf18("9","7","2","10","6","8","1") = "9"
    & skf18("9","7","2","10","6","9","1") = "9"
    & skf18("9","7","2","10","6","10","1") = "9"
    & skf18("9","7","2","10","7","1","1") = "9"
    & skf18("9","7","2","10","7","2","1") = "9"
    & skf18("9","7","2","10","7","3","1") = "9"
    & skf18("9","7","2","10","7","4","1") = "9"
    & skf18("9","7","2","10","7","5","1") = "9"
    & skf18("9","7","2","10","7","6","1") = "9"
    & skf18("9","7","2","10","7","7","1") = "9"
    & skf18("9","7","2","10","7","8","1") = "9"
    & skf18("9","7","2","10","7","9","1") = "9"
    & skf18("9","7","2","10","7","10","1") = "9"
    & skf18("9","7","2","10","8","1","1") = "9"
    & skf18("9","7","2","10","8","2","1") = "9"
    & skf18("9","7","2","10","8","3","1") = "9"
    & skf18("9","7","2","10","8","4","1") = "9"
    & skf18("9","7","2","10","8","5","1") = "9"
    & skf18("9","7","2","10","8","6","1") = "9"
    & skf18("9","7","2","10","8","7","1") = "9"
    & skf18("9","7","2","10","8","8","1") = "9"
    & skf18("9","7","2","10","8","9","1") = "9"
    & skf18("9","7","2","10","8","10","1") = "9"
    & skf18("9","7","2","10","9","1","1") = "9"
    & skf18("9","7","2","10","9","2","1") = "9"
    & skf18("9","7","2","10","9","3","1") = "9"
    & skf18("9","7","2","10","9","4","1") = "9"
    & skf18("9","7","2","10","9","5","1") = "9"
    & skf18("9","7","2","10","9","6","1") = "9"
    & skf18("9","7","2","10","9","7","1") = "9"
    & skf18("9","7","2","10","9","8","1") = "9"
    & skf18("9","7","2","10","9","9","1") = "9"
    & skf18("9","7","2","10","9","10","1") = "9"
    & skf18("9","7","2","10","10","1","1") = "9"
    & skf18("9","7","2","10","10","2","1") = "9"
    & skf18("9","7","2","10","10","3","1") = "9"
    & skf18("9","7","2","10","10","4","1") = "9"
    & skf18("9","7","2","10","10","5","1") = "9"
    & skf18("9","7","2","10","10","6","1") = "9"
    & skf18("9","7","2","10","10","7","1") = "9"
    & skf18("9","7","2","10","10","8","1") = "9"
    & skf18("9","7","2","10","10","9","1") = "9"
    & skf18("9","7","2","10","10","10","1") = "9"
    & skf18("9","7","3","1","1","1","1") = "8"
    & skf18("9","7","3","1","1","2","1") = "8"
    & skf18("9","7","3","1","1","3","1") = "8"
    & skf18("9","7","3","1","1","4","1") = "8"
    & skf18("9","7","3","1","1","5","1") = "8"
    & skf18("9","7","3","1","1","6","1") = "8"
    & skf18("9","7","3","1","1","7","1") = "8"
    & skf18("9","7","3","1","1","8","1") = "8"
    & skf18("9","7","3","1","1","9","1") = "8"
    & skf18("9","7","3","1","1","10","1") = "9"
    & skf18("9","7","3","1","2","1","1") = "8"
    & skf18("9","7","3","1","2","2","1") = "8"
    & skf18("9","7","3","1","2","3","1") = "8"
    & skf18("9","7","3","1","2","4","1") = "8"
    & skf18("9","7","3","1","2","5","1") = "8"
    & skf18("9","7","3","1","2","6","1") = "8"
    & skf18("9","7","3","1","2","7","1") = "8"
    & skf18("9","7","3","1","2","8","1") = "8"
    & skf18("9","7","3","1","2","9","1") = "8"
    & skf18("9","7","3","1","2","10","1") = "9"
    & skf18("9","7","3","1","3","1","1") = "8"
    & skf18("9","7","3","1","3","2","1") = "8"
    & skf18("9","7","3","1","3","3","1") = "8"
    & skf18("9","7","3","1","3","4","1") = "8"
    & skf18("9","7","3","1","3","5","1") = "8"
    & skf18("9","7","3","1","3","6","1") = "8"
    & skf18("9","7","3","1","3","7","1") = "8"
    & skf18("9","7","3","1","3","8","1") = "8"
    & skf18("9","7","3","1","3","9","1") = "8"
    & skf18("9","7","3","1","3","10","1") = "9"
    & skf18("9","7","3","1","4","1","1") = "8"
    & skf18("9","7","3","1","4","2","1") = "8"
    & skf18("9","7","3","1","4","3","1") = "8"
    & skf18("9","7","3","1","4","4","1") = "8"
    & skf18("9","7","3","1","4","5","1") = "8"
    & skf18("9","7","3","1","4","6","1") = "8"
    & skf18("9","7","3","1","4","7","1") = "8"
    & skf18("9","7","3","1","4","8","1") = "8"
    & skf18("9","7","3","1","4","9","1") = "8"
    & skf18("9","7","3","1","4","10","1") = "9"
    & skf18("9","7","3","1","5","1","1") = "8"
    & skf18("9","7","3","1","5","2","1") = "8"
    & skf18("9","7","3","1","5","3","1") = "8"
    & skf18("9","7","3","1","5","4","1") = "8"
    & skf18("9","7","3","1","5","5","1") = "8"
    & skf18("9","7","3","1","5","6","1") = "8"
    & skf18("9","7","3","1","5","7","1") = "8"
    & skf18("9","7","3","1","5","8","1") = "8"
    & skf18("9","7","3","1","5","9","1") = "8"
    & skf18("9","7","3","1","5","10","1") = "9"
    & skf18("9","7","3","1","6","1","1") = "8"
    & skf18("9","7","3","1","6","2","1") = "8"
    & skf18("9","7","3","1","6","3","1") = "8"
    & skf18("9","7","3","1","6","4","1") = "8"
    & skf18("9","7","3","1","6","5","1") = "8"
    & skf18("9","7","3","1","6","6","1") = "8"
    & skf18("9","7","3","1","6","7","1") = "8"
    & skf18("9","7","3","1","6","8","1") = "8"
    & skf18("9","7","3","1","6","9","1") = "8"
    & skf18("9","7","3","1","6","10","1") = "9"
    & skf18("9","7","3","1","7","1","1") = "8"
    & skf18("9","7","3","1","7","2","1") = "8"
    & skf18("9","7","3","1","7","3","1") = "8"
    & skf18("9","7","3","1","7","4","1") = "8"
    & skf18("9","7","3","1","7","5","1") = "8"
    & skf18("9","7","3","1","7","6","1") = "8"
    & skf18("9","7","3","1","7","7","1") = "8"
    & skf18("9","7","3","1","7","8","1") = "8"
    & skf18("9","7","3","1","7","9","1") = "8"
    & skf18("9","7","3","1","7","10","1") = "9"
    & skf18("9","7","3","1","8","1","1") = "8"
    & skf18("9","7","3","1","8","2","1") = "8"
    & skf18("9","7","3","1","8","3","1") = "8"
    & skf18("9","7","3","1","8","4","1") = "8"
    & skf18("9","7","3","1","8","5","1") = "8"
    & skf18("9","7","3","1","8","6","1") = "8"
    & skf18("9","7","3","1","8","7","1") = "8"
    & skf18("9","7","3","1","8","8","1") = "8"
    & skf18("9","7","3","1","8","9","1") = "8"
    & skf18("9","7","3","1","8","10","1") = "9"
    & skf18("9","7","3","1","9","1","1") = "8"
    & skf18("9","7","3","1","9","2","1") = "8"
    & skf18("9","7","3","1","9","3","1") = "8"
    & skf18("9","7","3","1","9","4","1") = "8"
    & skf18("9","7","3","1","9","5","1") = "8"
    & skf18("9","7","3","1","9","6","1") = "8"
    & skf18("9","7","3","1","9","7","1") = "8"
    & skf18("9","7","3","1","9","8","1") = "8"
    & skf18("9","7","3","1","9","9","1") = "8"
    & skf18("9","7","3","1","9","10","1") = "9"
    & skf18("9","7","3","1","10","1","1") = "9"
    & skf18("9","7","3","1","10","2","1") = "9"
    & skf18("9","7","3","1","10","3","1") = "9"
    & skf18("9","7","3","1","10","4","1") = "9"
    & skf18("9","7","3","1","10","5","1") = "9"
    & skf18("9","7","3","1","10","6","1") = "9"
    & skf18("9","7","3","1","10","7","1") = "9"
    & skf18("9","7","3","1","10","8","1") = "9"
    & skf18("9","7","3","1","10","9","1") = "9"
    & skf18("9","7","3","1","10","10","1") = "9"
    & skf18("9","7","3","2","1","1","1") = "8"
    & skf18("9","7","3","2","1","2","1") = "8"
    & skf18("9","7","3","2","1","3","1") = "8"
    & skf18("9","7","3","2","1","4","1") = "8"
    & skf18("9","7","3","2","1","5","1") = "8"
    & skf18("9","7","3","2","1","6","1") = "8"
    & skf18("9","7","3","2","1","7","1") = "8"
    & skf18("9","7","3","2","1","8","1") = "8"
    & skf18("9","7","3","2","1","9","1") = "8"
    & skf18("9","7","3","2","1","10","1") = "9"
    & skf18("9","7","3","2","2","1","1") = "8"
    & skf18("9","7","3","2","2","2","1") = "8"
    & skf18("9","7","3","2","2","3","1") = "8"
    & skf18("9","7","3","2","2","4","1") = "8"
    & skf18("9","7","3","2","2","5","1") = "8"
    & skf18("9","7","3","2","2","6","1") = "8"
    & skf18("9","7","3","2","2","7","1") = "8"
    & skf18("9","7","3","2","2","8","1") = "8"
    & skf18("9","7","3","2","2","9","1") = "8"
    & skf18("9","7","3","2","2","10","1") = "9"
    & skf18("9","7","3","2","3","1","1") = "8"
    & skf18("9","7","3","2","3","2","1") = "8"
    & skf18("9","7","3","2","3","3","1") = "8"
    & skf18("9","7","3","2","3","4","1") = "8"
    & skf18("9","7","3","2","3","5","1") = "8"
    & skf18("9","7","3","2","3","6","1") = "8"
    & skf18("9","7","3","2","3","7","1") = "8"
    & skf18("9","7","3","2","3","8","1") = "8"
    & skf18("9","7","3","2","3","9","1") = "8"
    & skf18("9","7","3","2","3","10","1") = "9"
    & skf18("9","7","3","2","4","1","1") = "8"
    & skf18("9","7","3","2","4","2","1") = "8"
    & skf18("9","7","3","2","4","3","1") = "8"
    & skf18("9","7","3","2","4","4","1") = "8"
    & skf18("9","7","3","2","4","5","1") = "8"
    & skf18("9","7","3","2","4","6","1") = "8"
    & skf18("9","7","3","2","4","7","1") = "8"
    & skf18("9","7","3","2","4","8","1") = "8"
    & skf18("9","7","3","2","4","9","1") = "8"
    & skf18("9","7","3","2","4","10","1") = "9"
    & skf18("9","7","3","2","5","1","1") = "8"
    & skf18("9","7","3","2","5","2","1") = "8"
    & skf18("9","7","3","2","5","3","1") = "8"
    & skf18("9","7","3","2","5","4","1") = "8"
    & skf18("9","7","3","2","5","5","1") = "8"
    & skf18("9","7","3","2","5","6","1") = "8"
    & skf18("9","7","3","2","5","7","1") = "8"
    & skf18("9","7","3","2","5","8","1") = "8"
    & skf18("9","7","3","2","5","9","1") = "8"
    & skf18("9","7","3","2","5","10","1") = "9"
    & skf18("9","7","3","2","6","1","1") = "8"
    & skf18("9","7","3","2","6","2","1") = "8"
    & skf18("9","7","3","2","6","3","1") = "8"
    & skf18("9","7","3","2","6","4","1") = "8"
    & skf18("9","7","3","2","6","5","1") = "8"
    & skf18("9","7","3","2","6","6","1") = "8"
    & skf18("9","7","3","2","6","7","1") = "8"
    & skf18("9","7","3","2","6","8","1") = "8"
    & skf18("9","7","3","2","6","9","1") = "8"
    & skf18("9","7","3","2","6","10","1") = "9"
    & skf18("9","7","3","2","7","1","1") = "8"
    & skf18("9","7","3","2","7","2","1") = "8"
    & skf18("9","7","3","2","7","3","1") = "8"
    & skf18("9","7","3","2","7","4","1") = "8"
    & skf18("9","7","3","2","7","5","1") = "8"
    & skf18("9","7","3","2","7","6","1") = "8"
    & skf18("9","7","3","2","7","7","1") = "8"
    & skf18("9","7","3","2","7","8","1") = "8"
    & skf18("9","7","3","2","7","9","1") = "8"
    & skf18("9","7","3","2","7","10","1") = "9"
    & skf18("9","7","3","2","8","1","1") = "8"
    & skf18("9","7","3","2","8","2","1") = "8"
    & skf18("9","7","3","2","8","3","1") = "8"
    & skf18("9","7","3","2","8","4","1") = "8"
    & skf18("9","7","3","2","8","5","1") = "8"
    & skf18("9","7","3","2","8","6","1") = "8"
    & skf18("9","7","3","2","8","7","1") = "8"
    & skf18("9","7","3","2","8","8","1") = "8"
    & skf18("9","7","3","2","8","9","1") = "8"
    & skf18("9","7","3","2","8","10","1") = "9"
    & skf18("9","7","3","2","9","1","1") = "8"
    & skf18("9","7","3","2","9","2","1") = "8"
    & skf18("9","7","3","2","9","3","1") = "8"
    & skf18("9","7","3","2","9","4","1") = "8"
    & skf18("9","7","3","2","9","5","1") = "8"
    & skf18("9","7","3","2","9","6","1") = "8"
    & skf18("9","7","3","2","9","7","1") = "8"
    & skf18("9","7","3","2","9","8","1") = "8"
    & skf18("9","7","3","2","9","9","1") = "8"
    & skf18("9","7","3","2","9","10","1") = "9"
    & skf18("9","7","3","2","10","1","1") = "9"
    & skf18("9","7","3","2","10","2","1") = "9"
    & skf18("9","7","3","2","10","3","1") = "9"
    & skf18("9","7","3","2","10","4","1") = "9"
    & skf18("9","7","3","2","10","5","1") = "9"
    & skf18("9","7","3","2","10","6","1") = "9"
    & skf18("9","7","3","2","10","7","1") = "9"
    & skf18("9","7","3","2","10","8","1") = "9"
    & skf18("9","7","3","2","10","9","1") = "9"
    & skf18("9","7","3","2","10","10","1") = "9"
    & skf18("9","7","3","3","1","1","1") = "8"
    & skf18("9","7","3","3","1","2","1") = "8"
    & skf18("9","7","3","3","1","3","1") = "8"
    & skf18("9","7","3","3","1","4","1") = "8"
    & skf18("9","7","3","3","1","5","1") = "8"
    & skf18("9","7","3","3","1","6","1") = "8"
    & skf18("9","7","3","3","1","7","1") = "8"
    & skf18("9","7","3","3","1","8","1") = "8"
    & skf18("9","7","3","3","1","9","1") = "8"
    & skf18("9","7","3","3","1","10","1") = "9"
    & skf18("9","7","3","3","2","1","1") = "8"
    & skf18("9","7","3","3","2","2","1") = "8"
    & skf18("9","7","3","3","2","3","1") = "8"
    & skf18("9","7","3","3","2","4","1") = "8"
    & skf18("9","7","3","3","2","5","1") = "8"
    & skf18("9","7","3","3","2","6","1") = "8"
    & skf18("9","7","3","3","2","7","1") = "8"
    & skf18("9","7","3","3","2","8","1") = "8"
    & skf18("9","7","3","3","2","9","1") = "8"
    & skf18("9","7","3","3","2","10","1") = "9"
    & skf18("9","7","3","3","3","1","1") = "8"
    & skf18("9","7","3","3","3","2","1") = "8"
    & skf18("9","7","3","3","3","3","1") = "8"
    & skf18("9","7","3","3","3","4","1") = "8"
    & skf18("9","7","3","3","3","5","1") = "8"
    & skf18("9","7","3","3","3","6","1") = "8"
    & skf18("9","7","3","3","3","7","1") = "8"
    & skf18("9","7","3","3","3","8","1") = "8"
    & skf18("9","7","3","3","3","9","1") = "8"
    & skf18("9","7","3","3","3","10","1") = "9"
    & skf18("9","7","3","3","4","1","1") = "8"
    & skf18("9","7","3","3","4","2","1") = "8"
    & skf18("9","7","3","3","4","3","1") = "8"
    & skf18("9","7","3","3","4","4","1") = "8"
    & skf18("9","7","3","3","4","5","1") = "8"
    & skf18("9","7","3","3","4","6","1") = "8"
    & skf18("9","7","3","3","4","7","1") = "8"
    & skf18("9","7","3","3","4","8","1") = "8"
    & skf18("9","7","3","3","4","9","1") = "8"
    & skf18("9","7","3","3","4","10","1") = "9"
    & skf18("9","7","3","3","5","1","1") = "8"
    & skf18("9","7","3","3","5","2","1") = "8"
    & skf18("9","7","3","3","5","3","1") = "8"
    & skf18("9","7","3","3","5","4","1") = "8"
    & skf18("9","7","3","3","5","5","1") = "8"
    & skf18("9","7","3","3","5","6","1") = "8"
    & skf18("9","7","3","3","5","7","1") = "8"
    & skf18("9","7","3","3","5","8","1") = "8"
    & skf18("9","7","3","3","5","9","1") = "8"
    & skf18("9","7","3","3","5","10","1") = "9"
    & skf18("9","7","3","3","6","1","1") = "8"
    & skf18("9","7","3","3","6","2","1") = "8"
    & skf18("9","7","3","3","6","3","1") = "8"
    & skf18("9","7","3","3","6","4","1") = "8"
    & skf18("9","7","3","3","6","5","1") = "8"
    & skf18("9","7","3","3","6","6","1") = "8"
    & skf18("9","7","3","3","6","7","1") = "8"
    & skf18("9","7","3","3","6","8","1") = "8"
    & skf18("9","7","3","3","6","9","1") = "8"
    & skf18("9","7","3","3","6","10","1") = "9"
    & skf18("9","7","3","3","7","1","1") = "8"
    & skf18("9","7","3","3","7","2","1") = "8"
    & skf18("9","7","3","3","7","3","1") = "8"
    & skf18("9","7","3","3","7","4","1") = "8"
    & skf18("9","7","3","3","7","5","1") = "8"
    & skf18("9","7","3","3","7","6","1") = "8"
    & skf18("9","7","3","3","7","7","1") = "8"
    & skf18("9","7","3","3","7","8","1") = "8"
    & skf18("9","7","3","3","7","9","1") = "8"
    & skf18("9","7","3","3","7","10","1") = "9"
    & skf18("9","7","3","3","8","1","1") = "8"
    & skf18("9","7","3","3","8","2","1") = "8"
    & skf18("9","7","3","3","8","3","1") = "8"
    & skf18("9","7","3","3","8","4","1") = "8"
    & skf18("9","7","3","3","8","5","1") = "8"
    & skf18("9","7","3","3","8","6","1") = "8"
    & skf18("9","7","3","3","8","7","1") = "8"
    & skf18("9","7","3","3","8","8","1") = "8"
    & skf18("9","7","3","3","8","9","1") = "8"
    & skf18("9","7","3","3","8","10","1") = "9"
    & skf18("9","7","3","3","9","1","1") = "8"
    & skf18("9","7","3","3","9","2","1") = "8"
    & skf18("9","7","3","3","9","3","1") = "8"
    & skf18("9","7","3","3","9","4","1") = "8"
    & skf18("9","7","3","3","9","5","1") = "8"
    & skf18("9","7","3","3","9","6","1") = "8"
    & skf18("9","7","3","3","9","7","1") = "8"
    & skf18("9","7","3","3","9","8","1") = "8"
    & skf18("9","7","3","3","9","9","1") = "8"
    & skf18("9","7","3","3","9","10","1") = "9"
    & skf18("9","7","3","3","10","1","1") = "9"
    & skf18("9","7","3","3","10","2","1") = "9"
    & skf18("9","7","3","3","10","3","1") = "9"
    & skf18("9","7","3","3","10","4","1") = "9"
    & skf18("9","7","3","3","10","5","1") = "9"
    & skf18("9","7","3","3","10","6","1") = "9"
    & skf18("9","7","3","3","10","7","1") = "9"
    & skf18("9","7","3","3","10","8","1") = "9"
    & skf18("9","7","3","3","10","9","1") = "9"
    & skf18("9","7","3","3","10","10","1") = "9"
    & skf18("9","7","3","4","1","1","1") = "8"
    & skf18("9","7","3","4","1","2","1") = "8"
    & skf18("9","7","3","4","1","3","1") = "8"
    & skf18("9","7","3","4","1","4","1") = "8"
    & skf18("9","7","3","4","1","5","1") = "8"
    & skf18("9","7","3","4","1","6","1") = "8"
    & skf18("9","7","3","4","1","7","1") = "8"
    & skf18("9","7","3","4","1","8","1") = "8"
    & skf18("9","7","3","4","1","9","1") = "8"
    & skf18("9","7","3","4","1","10","1") = "9"
    & skf18("9","7","3","4","2","1","1") = "8"
    & skf18("9","7","3","4","2","2","1") = "8"
    & skf18("9","7","3","4","2","3","1") = "8"
    & skf18("9","7","3","4","2","4","1") = "8"
    & skf18("9","7","3","4","2","5","1") = "8"
    & skf18("9","7","3","4","2","6","1") = "8"
    & skf18("9","7","3","4","2","7","1") = "8"
    & skf18("9","7","3","4","2","8","1") = "8"
    & skf18("9","7","3","4","2","9","1") = "8"
    & skf18("9","7","3","4","2","10","1") = "9"
    & skf18("9","7","3","4","3","1","1") = "8"
    & skf18("9","7","3","4","3","2","1") = "8"
    & skf18("9","7","3","4","3","3","1") = "8"
    & skf18("9","7","3","4","3","4","1") = "8"
    & skf18("9","7","3","4","3","5","1") = "8"
    & skf18("9","7","3","4","3","6","1") = "8"
    & skf18("9","7","3","4","3","7","1") = "8"
    & skf18("9","7","3","4","3","8","1") = "8"
    & skf18("9","7","3","4","3","9","1") = "8"
    & skf18("9","7","3","4","3","10","1") = "9"
    & skf18("9","7","3","4","4","1","1") = "8"
    & skf18("9","7","3","4","4","2","1") = "8"
    & skf18("9","7","3","4","4","3","1") = "8"
    & skf18("9","7","3","4","4","4","1") = "8"
    & skf18("9","7","3","4","4","5","1") = "8"
    & skf18("9","7","3","4","4","6","1") = "8"
    & skf18("9","7","3","4","4","7","1") = "8"
    & skf18("9","7","3","4","4","8","1") = "8"
    & skf18("9","7","3","4","4","9","1") = "8"
    & skf18("9","7","3","4","4","10","1") = "9"
    & skf18("9","7","3","4","5","1","1") = "8"
    & skf18("9","7","3","4","5","2","1") = "8"
    & skf18("9","7","3","4","5","3","1") = "8"
    & skf18("9","7","3","4","5","4","1") = "8"
    & skf18("9","7","3","4","5","5","1") = "8"
    & skf18("9","7","3","4","5","6","1") = "8"
    & skf18("9","7","3","4","5","7","1") = "8"
    & skf18("9","7","3","4","5","8","1") = "8"
    & skf18("9","7","3","4","5","9","1") = "8"
    & skf18("9","7","3","4","5","10","1") = "9"
    & skf18("9","7","3","4","6","1","1") = "8"
    & skf18("9","7","3","4","6","2","1") = "8"
    & skf18("9","7","3","4","6","3","1") = "8"
    & skf18("9","7","3","4","6","4","1") = "8"
    & skf18("9","7","3","4","6","5","1") = "8"
    & skf18("9","7","3","4","6","6","1") = "8"
    & skf18("9","7","3","4","6","7","1") = "8"
    & skf18("9","7","3","4","6","8","1") = "8"
    & skf18("9","7","3","4","6","9","1") = "8"
    & skf18("9","7","3","4","6","10","1") = "9"
    & skf18("9","7","3","4","7","1","1") = "8"
    & skf18("9","7","3","4","7","2","1") = "8"
    & skf18("9","7","3","4","7","3","1") = "8"
    & skf18("9","7","3","4","7","4","1") = "8"
    & skf18("9","7","3","4","7","5","1") = "8"
    & skf18("9","7","3","4","7","6","1") = "8"
    & skf18("9","7","3","4","7","7","1") = "8"
    & skf18("9","7","3","4","7","8","1") = "8"
    & skf18("9","7","3","4","7","9","1") = "8"
    & skf18("9","7","3","4","7","10","1") = "9"
    & skf18("9","7","3","4","8","1","1") = "8"
    & skf18("9","7","3","4","8","2","1") = "8"
    & skf18("9","7","3","4","8","3","1") = "8"
    & skf18("9","7","3","4","8","4","1") = "8"
    & skf18("9","7","3","4","8","5","1") = "8"
    & skf18("9","7","3","4","8","6","1") = "8"
    & skf18("9","7","3","4","8","7","1") = "8"
    & skf18("9","7","3","4","8","8","1") = "8"
    & skf18("9","7","3","4","8","9","1") = "8"
    & skf18("9","7","3","4","8","10","1") = "9"
    & skf18("9","7","3","4","9","1","1") = "8"
    & skf18("9","7","3","4","9","2","1") = "8"
    & skf18("9","7","3","4","9","3","1") = "8"
    & skf18("9","7","3","4","9","4","1") = "8"
    & skf18("9","7","3","4","9","5","1") = "8"
    & skf18("9","7","3","4","9","6","1") = "8"
    & skf18("9","7","3","4","9","7","1") = "8"
    & skf18("9","7","3","4","9","8","1") = "8"
    & skf18("9","7","3","4","9","9","1") = "8"
    & skf18("9","7","3","4","9","10","1") = "9"
    & skf18("9","7","3","4","10","1","1") = "9"
    & skf18("9","7","3","4","10","2","1") = "9"
    & skf18("9","7","3","4","10","3","1") = "9"
    & skf18("9","7","3","4","10","4","1") = "9"
    & skf18("9","7","3","4","10","5","1") = "9"
    & skf18("9","7","3","4","10","6","1") = "9"
    & skf18("9","7","3","4","10","7","1") = "9"
    & skf18("9","7","3","4","10","8","1") = "9"
    & skf18("9","7","3","4","10","9","1") = "9"
    & skf18("9","7","3","4","10","10","1") = "9"
    & skf18("9","7","3","5","1","1","1") = "8"
    & skf18("9","7","3","5","1","2","1") = "8"
    & skf18("9","7","3","5","1","3","1") = "8"
    & skf18("9","7","3","5","1","4","1") = "8"
    & skf18("9","7","3","5","1","5","1") = "8"
    & skf18("9","7","3","5","1","6","1") = "8"
    & skf18("9","7","3","5","1","7","1") = "8"
    & skf18("9","7","3","5","1","8","1") = "8"
    & skf18("9","7","3","5","1","9","1") = "8"
    & skf18("9","7","3","5","1","10","1") = "9"
    & skf18("9","7","3","5","2","1","1") = "8"
    & skf18("9","7","3","5","2","2","1") = "8"
    & skf18("9","7","3","5","2","3","1") = "8"
    & skf18("9","7","3","5","2","4","1") = "8"
    & skf18("9","7","3","5","2","5","1") = "8"
    & skf18("9","7","3","5","2","6","1") = "8"
    & skf18("9","7","3","5","2","7","1") = "8"
    & skf18("9","7","3","5","2","8","1") = "8"
    & skf18("9","7","3","5","2","9","1") = "8"
    & skf18("9","7","3","5","2","10","1") = "9"
    & skf18("9","7","3","5","3","1","1") = "8"
    & skf18("9","7","3","5","3","2","1") = "8"
    & skf18("9","7","3","5","3","3","1") = "8"
    & skf18("9","7","3","5","3","4","1") = "8"
    & skf18("9","7","3","5","3","5","1") = "8"
    & skf18("9","7","3","5","3","6","1") = "8"
    & skf18("9","7","3","5","3","7","1") = "8"
    & skf18("9","7","3","5","3","8","1") = "8"
    & skf18("9","7","3","5","3","9","1") = "8"
    & skf18("9","7","3","5","3","10","1") = "9"
    & skf18("9","7","3","5","4","1","1") = "8"
    & skf18("9","7","3","5","4","2","1") = "8"
    & skf18("9","7","3","5","4","3","1") = "8"
    & skf18("9","7","3","5","4","4","1") = "8"
    & skf18("9","7","3","5","4","5","1") = "8"
    & skf18("9","7","3","5","4","6","1") = "8"
    & skf18("9","7","3","5","4","7","1") = "8"
    & skf18("9","7","3","5","4","8","1") = "8"
    & skf18("9","7","3","5","4","9","1") = "8"
    & skf18("9","7","3","5","4","10","1") = "9"
    & skf18("9","7","3","5","5","1","1") = "8"
    & skf18("9","7","3","5","5","2","1") = "8"
    & skf18("9","7","3","5","5","3","1") = "8"
    & skf18("9","7","3","5","5","4","1") = "8"
    & skf18("9","7","3","5","5","5","1") = "8"
    & skf18("9","7","3","5","5","6","1") = "8"
    & skf18("9","7","3","5","5","7","1") = "8"
    & skf18("9","7","3","5","5","8","1") = "8"
    & skf18("9","7","3","5","5","9","1") = "8"
    & skf18("9","7","3","5","5","10","1") = "9"
    & skf18("9","7","3","5","6","1","1") = "8"
    & skf18("9","7","3","5","6","2","1") = "8"
    & skf18("9","7","3","5","6","3","1") = "8"
    & skf18("9","7","3","5","6","4","1") = "8"
    & skf18("9","7","3","5","6","5","1") = "8"
    & skf18("9","7","3","5","6","6","1") = "8"
    & skf18("9","7","3","5","6","7","1") = "8"
    & skf18("9","7","3","5","6","8","1") = "8"
    & skf18("9","7","3","5","6","9","1") = "8"
    & skf18("9","7","3","5","6","10","1") = "9"
    & skf18("9","7","3","5","7","1","1") = "8"
    & skf18("9","7","3","5","7","2","1") = "8"
    & skf18("9","7","3","5","7","3","1") = "8"
    & skf18("9","7","3","5","7","4","1") = "8"
    & skf18("9","7","3","5","7","5","1") = "8"
    & skf18("9","7","3","5","7","6","1") = "8"
    & skf18("9","7","3","5","7","7","1") = "8"
    & skf18("9","7","3","5","7","8","1") = "8"
    & skf18("9","7","3","5","7","9","1") = "8"
    & skf18("9","7","3","5","7","10","1") = "9"
    & skf18("9","7","3","5","8","1","1") = "8"
    & skf18("9","7","3","5","8","2","1") = "8"
    & skf18("9","7","3","5","8","3","1") = "8"
    & skf18("9","7","3","5","8","4","1") = "8"
    & skf18("9","7","3","5","8","5","1") = "8"
    & skf18("9","7","3","5","8","6","1") = "8"
    & skf18("9","7","3","5","8","7","1") = "8"
    & skf18("9","7","3","5","8","8","1") = "8"
    & skf18("9","7","3","5","8","9","1") = "8"
    & skf18("9","7","3","5","8","10","1") = "9"
    & skf18("9","7","3","5","9","1","1") = "8"
    & skf18("9","7","3","5","9","2","1") = "8"
    & skf18("9","7","3","5","9","3","1") = "8"
    & skf18("9","7","3","5","9","4","1") = "8"
    & skf18("9","7","3","5","9","5","1") = "8"
    & skf18("9","7","3","5","9","6","1") = "8"
    & skf18("9","7","3","5","9","7","1") = "8"
    & skf18("9","7","3","5","9","8","1") = "8"
    & skf18("9","7","3","5","9","9","1") = "8"
    & skf18("9","7","3","5","9","10","1") = "9"
    & skf18("9","7","3","5","10","1","1") = "9"
    & skf18("9","7","3","5","10","2","1") = "9"
    & skf18("9","7","3","5","10","3","1") = "9"
    & skf18("9","7","3","5","10","4","1") = "9"
    & skf18("9","7","3","5","10","5","1") = "9"
    & skf18("9","7","3","5","10","6","1") = "9"
    & skf18("9","7","3","5","10","7","1") = "9"
    & skf18("9","7","3","5","10","8","1") = "9"
    & skf18("9","7","3","5","10","9","1") = "9"
    & skf18("9","7","3","5","10","10","1") = "9"
    & skf18("9","7","3","6","1","1","1") = "8"
    & skf18("9","7","3","6","1","2","1") = "8"
    & skf18("9","7","3","6","1","3","1") = "8"
    & skf18("9","7","3","6","1","4","1") = "8"
    & skf18("9","7","3","6","1","5","1") = "8"
    & skf18("9","7","3","6","1","6","1") = "8"
    & skf18("9","7","3","6","1","7","1") = "8"
    & skf18("9","7","3","6","1","8","1") = "8"
    & skf18("9","7","3","6","1","9","1") = "8"
    & skf18("9","7","3","6","1","10","1") = "9"
    & skf18("9","7","3","6","2","1","1") = "8"
    & skf18("9","7","3","6","2","2","1") = "8"
    & skf18("9","7","3","6","2","3","1") = "8"
    & skf18("9","7","3","6","2","4","1") = "8"
    & skf18("9","7","3","6","2","5","1") = "8"
    & skf18("9","7","3","6","2","6","1") = "8"
    & skf18("9","7","3","6","2","7","1") = "8"
    & skf18("9","7","3","6","2","8","1") = "8"
    & skf18("9","7","3","6","2","9","1") = "8"
    & skf18("9","7","3","6","2","10","1") = "9"
    & skf18("9","7","3","6","3","1","1") = "8"
    & skf18("9","7","3","6","3","2","1") = "8"
    & skf18("9","7","3","6","3","3","1") = "8"
    & skf18("9","7","3","6","3","4","1") = "8"
    & skf18("9","7","3","6","3","5","1") = "8"
    & skf18("9","7","3","6","3","6","1") = "8"
    & skf18("9","7","3","6","3","7","1") = "8"
    & skf18("9","7","3","6","3","8","1") = "8"
    & skf18("9","7","3","6","3","9","1") = "8"
    & skf18("9","7","3","6","3","10","1") = "9"
    & skf18("9","7","3","6","4","1","1") = "8"
    & skf18("9","7","3","6","4","2","1") = "8"
    & skf18("9","7","3","6","4","3","1") = "8"
    & skf18("9","7","3","6","4","4","1") = "8"
    & skf18("9","7","3","6","4","5","1") = "8"
    & skf18("9","7","3","6","4","6","1") = "8"
    & skf18("9","7","3","6","4","7","1") = "8"
    & skf18("9","7","3","6","4","8","1") = "8"
    & skf18("9","7","3","6","4","9","1") = "8"
    & skf18("9","7","3","6","4","10","1") = "9"
    & skf18("9","7","3","6","5","1","1") = "8"
    & skf18("9","7","3","6","5","2","1") = "8"
    & skf18("9","7","3","6","5","3","1") = "8"
    & skf18("9","7","3","6","5","4","1") = "8"
    & skf18("9","7","3","6","5","5","1") = "8"
    & skf18("9","7","3","6","5","6","1") = "8"
    & skf18("9","7","3","6","5","7","1") = "8"
    & skf18("9","7","3","6","5","8","1") = "8"
    & skf18("9","7","3","6","5","9","1") = "8"
    & skf18("9","7","3","6","5","10","1") = "9"
    & skf18("9","7","3","6","6","1","1") = "8"
    & skf18("9","7","3","6","6","2","1") = "8"
    & skf18("9","7","3","6","6","3","1") = "8"
    & skf18("9","7","3","6","6","4","1") = "8"
    & skf18("9","7","3","6","6","5","1") = "8"
    & skf18("9","7","3","6","6","6","1") = "8"
    & skf18("9","7","3","6","6","7","1") = "8"
    & skf18("9","7","3","6","6","8","1") = "8"
    & skf18("9","7","3","6","6","9","1") = "8"
    & skf18("9","7","3","6","6","10","1") = "9"
    & skf18("9","7","3","6","7","1","1") = "8"
    & skf18("9","7","3","6","7","2","1") = "8"
    & skf18("9","7","3","6","7","3","1") = "8"
    & skf18("9","7","3","6","7","4","1") = "8"
    & skf18("9","7","3","6","7","5","1") = "8"
    & skf18("9","7","3","6","7","6","1") = "8"
    & skf18("9","7","3","6","7","7","1") = "8"
    & skf18("9","7","3","6","7","8","1") = "8"
    & skf18("9","7","3","6","7","9","1") = "8"
    & skf18("9","7","3","6","7","10","1") = "9"
    & skf18("9","7","3","6","8","1","1") = "8"
    & skf18("9","7","3","6","8","2","1") = "8"
    & skf18("9","7","3","6","8","3","1") = "8"
    & skf18("9","7","3","6","8","4","1") = "8"
    & skf18("9","7","3","6","8","5","1") = "8"
    & skf18("9","7","3","6","8","6","1") = "8"
    & skf18("9","7","3","6","8","7","1") = "8"
    & skf18("9","7","3","6","8","8","1") = "8"
    & skf18("9","7","3","6","8","9","1") = "8"
    & skf18("9","7","3","6","8","10","1") = "9"
    & skf18("9","7","3","6","9","1","1") = "8"
    & skf18("9","7","3","6","9","2","1") = "8"
    & skf18("9","7","3","6","9","3","1") = "8"
    & skf18("9","7","3","6","9","4","1") = "8"
    & skf18("9","7","3","6","9","5","1") = "8"
    & skf18("9","7","3","6","9","6","1") = "8"
    & skf18("9","7","3","6","9","7","1") = "8"
    & skf18("9","7","3","6","9","8","1") = "8"
    & skf18("9","7","3","6","9","9","1") = "8"
    & skf18("9","7","3","6","9","10","1") = "9"
    & skf18("9","7","3","6","10","1","1") = "9"
    & skf18("9","7","3","6","10","2","1") = "9"
    & skf18("9","7","3","6","10","3","1") = "9"
    & skf18("9","7","3","6","10","4","1") = "9"
    & skf18("9","7","3","6","10","5","1") = "9"
    & skf18("9","7","3","6","10","6","1") = "9"
    & skf18("9","7","3","6","10","7","1") = "9"
    & skf18("9","7","3","6","10","8","1") = "9"
    & skf18("9","7","3","6","10","9","1") = "9"
    & skf18("9","7","3","6","10","10","1") = "9"
    & skf18("9","7","3","7","1","1","1") = "8"
    & skf18("9","7","3","7","1","2","1") = "8"
    & skf18("9","7","3","7","1","3","1") = "8"
    & skf18("9","7","3","7","1","4","1") = "8"
    & skf18("9","7","3","7","1","5","1") = "8"
    & skf18("9","7","3","7","1","6","1") = "8"
    & skf18("9","7","3","7","1","7","1") = "8"
    & skf18("9","7","3","7","1","8","1") = "8"
    & skf18("9","7","3","7","1","9","1") = "8"
    & skf18("9","7","3","7","1","10","1") = "9"
    & skf18("9","7","3","7","2","1","1") = "8"
    & skf18("9","7","3","7","2","2","1") = "8"
    & skf18("9","7","3","7","2","3","1") = "8"
    & skf18("9","7","3","7","2","4","1") = "8"
    & skf18("9","7","3","7","2","5","1") = "8"
    & skf18("9","7","3","7","2","6","1") = "8"
    & skf18("9","7","3","7","2","7","1") = "8"
    & skf18("9","7","3","7","2","8","1") = "8"
    & skf18("9","7","3","7","2","9","1") = "8"
    & skf18("9","7","3","7","2","10","1") = "9"
    & skf18("9","7","3","7","3","1","1") = "8"
    & skf18("9","7","3","7","3","2","1") = "8"
    & skf18("9","7","3","7","3","3","1") = "8"
    & skf18("9","7","3","7","3","4","1") = "8"
    & skf18("9","7","3","7","3","5","1") = "8"
    & skf18("9","7","3","7","3","6","1") = "8"
    & skf18("9","7","3","7","3","7","1") = "8"
    & skf18("9","7","3","7","3","8","1") = "8"
    & skf18("9","7","3","7","3","9","1") = "8"
    & skf18("9","7","3","7","3","10","1") = "9"
    & skf18("9","7","3","7","4","1","1") = "8"
    & skf18("9","7","3","7","4","2","1") = "8"
    & skf18("9","7","3","7","4","3","1") = "8"
    & skf18("9","7","3","7","4","4","1") = "8"
    & skf18("9","7","3","7","4","5","1") = "8"
    & skf18("9","7","3","7","4","6","1") = "8"
    & skf18("9","7","3","7","4","7","1") = "8"
    & skf18("9","7","3","7","4","8","1") = "8"
    & skf18("9","7","3","7","4","9","1") = "8"
    & skf18("9","7","3","7","4","10","1") = "9"
    & skf18("9","7","3","7","5","1","1") = "8"
    & skf18("9","7","3","7","5","2","1") = "8"
    & skf18("9","7","3","7","5","3","1") = "8"
    & skf18("9","7","3","7","5","4","1") = "8"
    & skf18("9","7","3","7","5","5","1") = "8"
    & skf18("9","7","3","7","5","6","1") = "8"
    & skf18("9","7","3","7","5","7","1") = "8"
    & skf18("9","7","3","7","5","8","1") = "8"
    & skf18("9","7","3","7","5","9","1") = "8"
    & skf18("9","7","3","7","5","10","1") = "9"
    & skf18("9","7","3","7","6","1","1") = "8"
    & skf18("9","7","3","7","6","2","1") = "8"
    & skf18("9","7","3","7","6","3","1") = "8"
    & skf18("9","7","3","7","6","4","1") = "8"
    & skf18("9","7","3","7","6","5","1") = "8"
    & skf18("9","7","3","7","6","6","1") = "8"
    & skf18("9","7","3","7","6","7","1") = "8"
    & skf18("9","7","3","7","6","8","1") = "8"
    & skf18("9","7","3","7","6","9","1") = "8"
    & skf18("9","7","3","7","6","10","1") = "9"
    & skf18("9","7","3","7","7","1","1") = "8"
    & skf18("9","7","3","7","7","2","1") = "8"
    & skf18("9","7","3","7","7","3","1") = "8"
    & skf18("9","7","3","7","7","4","1") = "8"
    & skf18("9","7","3","7","7","5","1") = "8"
    & skf18("9","7","3","7","7","6","1") = "8"
    & skf18("9","7","3","7","7","7","1") = "8"
    & skf18("9","7","3","7","7","8","1") = "8"
    & skf18("9","7","3","7","7","9","1") = "8"
    & skf18("9","7","3","7","7","10","1") = "9"
    & skf18("9","7","3","7","8","1","1") = "8"
    & skf18("9","7","3","7","8","2","1") = "8"
    & skf18("9","7","3","7","8","3","1") = "8"
    & skf18("9","7","3","7","8","4","1") = "8"
    & skf18("9","7","3","7","8","5","1") = "8"
    & skf18("9","7","3","7","8","6","1") = "8"
    & skf18("9","7","3","7","8","7","1") = "8"
    & skf18("9","7","3","7","8","8","1") = "8"
    & skf18("9","7","3","7","8","9","1") = "8"
    & skf18("9","7","3","7","8","10","1") = "9"
    & skf18("9","7","3","7","9","1","1") = "8"
    & skf18("9","7","3","7","9","2","1") = "8"
    & skf18("9","7","3","7","9","3","1") = "8"
    & skf18("9","7","3","7","9","4","1") = "8"
    & skf18("9","7","3","7","9","5","1") = "8"
    & skf18("9","7","3","7","9","6","1") = "8"
    & skf18("9","7","3","7","9","7","1") = "8"
    & skf18("9","7","3","7","9","8","1") = "8"
    & skf18("9","7","3","7","9","9","1") = "8"
    & skf18("9","7","3","7","9","10","1") = "9"
    & skf18("9","7","3","7","10","1","1") = "9"
    & skf18("9","7","3","7","10","2","1") = "9"
    & skf18("9","7","3","7","10","3","1") = "9"
    & skf18("9","7","3","7","10","4","1") = "9"
    & skf18("9","7","3","7","10","5","1") = "9"
    & skf18("9","7","3","7","10","6","1") = "9"
    & skf18("9","7","3","7","10","7","1") = "9"
    & skf18("9","7","3","7","10","8","1") = "9"
    & skf18("9","7","3","7","10","9","1") = "9"
    & skf18("9","7","3","7","10","10","1") = "9"
    & skf18("9","7","3","8","1","1","1") = "8"
    & skf18("9","7","3","8","1","2","1") = "8"
    & skf18("9","7","3","8","1","3","1") = "8"
    & skf18("9","7","3","8","1","4","1") = "8"
    & skf18("9","7","3","8","1","5","1") = "8"
    & skf18("9","7","3","8","1","6","1") = "8"
    & skf18("9","7","3","8","1","7","1") = "8"
    & skf18("9","7","3","8","1","8","1") = "8"
    & skf18("9","7","3","8","1","9","1") = "8"
    & skf18("9","7","3","8","1","10","1") = "9"
    & skf18("9","7","3","8","2","1","1") = "8"
    & skf18("9","7","3","8","2","2","1") = "8"
    & skf18("9","7","3","8","2","3","1") = "8"
    & skf18("9","7","3","8","2","4","1") = "8"
    & skf18("9","7","3","8","2","5","1") = "8"
    & skf18("9","7","3","8","2","6","1") = "8"
    & skf18("9","7","3","8","2","7","1") = "8"
    & skf18("9","7","3","8","2","8","1") = "8"
    & skf18("9","7","3","8","2","9","1") = "8"
    & skf18("9","7","3","8","2","10","1") = "9"
    & skf18("9","7","3","8","3","1","1") = "8"
    & skf18("9","7","3","8","3","2","1") = "8"
    & skf18("9","7","3","8","3","3","1") = "8"
    & skf18("9","7","3","8","3","4","1") = "8"
    & skf18("9","7","3","8","3","5","1") = "8"
    & skf18("9","7","3","8","3","6","1") = "8"
    & skf18("9","7","3","8","3","7","1") = "8"
    & skf18("9","7","3","8","3","8","1") = "8"
    & skf18("9","7","3","8","3","9","1") = "8"
    & skf18("9","7","3","8","3","10","1") = "9"
    & skf18("9","7","3","8","4","1","1") = "8"
    & skf18("9","7","3","8","4","2","1") = "8"
    & skf18("9","7","3","8","4","3","1") = "8"
    & skf18("9","7","3","8","4","4","1") = "8"
    & skf18("9","7","3","8","4","5","1") = "8"
    & skf18("9","7","3","8","4","6","1") = "8"
    & skf18("9","7","3","8","4","7","1") = "8"
    & skf18("9","7","3","8","4","8","1") = "8"
    & skf18("9","7","3","8","4","9","1") = "8"
    & skf18("9","7","3","8","4","10","1") = "9"
    & skf18("9","7","3","8","5","1","1") = "8"
    & skf18("9","7","3","8","5","2","1") = "8"
    & skf18("9","7","3","8","5","3","1") = "8"
    & skf18("9","7","3","8","5","4","1") = "8"
    & skf18("9","7","3","8","5","5","1") = "8"
    & skf18("9","7","3","8","5","6","1") = "8"
    & skf18("9","7","3","8","5","7","1") = "8"
    & skf18("9","7","3","8","5","8","1") = "8"
    & skf18("9","7","3","8","5","9","1") = "8"
    & skf18("9","7","3","8","5","10","1") = "9"
    & skf18("9","7","3","8","6","1","1") = "8"
    & skf18("9","7","3","8","6","2","1") = "8"
    & skf18("9","7","3","8","6","3","1") = "8"
    & skf18("9","7","3","8","6","4","1") = "8"
    & skf18("9","7","3","8","6","5","1") = "8"
    & skf18("9","7","3","8","6","6","1") = "8"
    & skf18("9","7","3","8","6","7","1") = "8"
    & skf18("9","7","3","8","6","8","1") = "8"
    & skf18("9","7","3","8","6","9","1") = "8"
    & skf18("9","7","3","8","6","10","1") = "9"
    & skf18("9","7","3","8","7","1","1") = "8"
    & skf18("9","7","3","8","7","2","1") = "8"
    & skf18("9","7","3","8","7","3","1") = "8"
    & skf18("9","7","3","8","7","4","1") = "8"
    & skf18("9","7","3","8","7","5","1") = "8"
    & skf18("9","7","3","8","7","6","1") = "8"
    & skf18("9","7","3","8","7","7","1") = "8"
    & skf18("9","7","3","8","7","8","1") = "8"
    & skf18("9","7","3","8","7","9","1") = "8"
    & skf18("9","7","3","8","7","10","1") = "9"
    & skf18("9","7","3","8","8","1","1") = "8"
    & skf18("9","7","3","8","8","2","1") = "8"
    & skf18("9","7","3","8","8","3","1") = "8"
    & skf18("9","7","3","8","8","4","1") = "8"
    & skf18("9","7","3","8","8","5","1") = "8"
    & skf18("9","7","3","8","8","6","1") = "8"
    & skf18("9","7","3","8","8","7","1") = "8"
    & skf18("9","7","3","8","8","8","1") = "8"
    & skf18("9","7","3","8","8","9","1") = "8"
    & skf18("9","7","3","8","8","10","1") = "9"
    & skf18("9","7","3","8","9","1","1") = "8"
    & skf18("9","7","3","8","9","2","1") = "8"
    & skf18("9","7","3","8","9","3","1") = "8"
    & skf18("9","7","3","8","9","4","1") = "8"
    & skf18("9","7","3","8","9","5","1") = "8"
    & skf18("9","7","3","8","9","6","1") = "8"
    & skf18("9","7","3","8","9","7","1") = "8"
    & skf18("9","7","3","8","9","8","1") = "8"
    & skf18("9","7","3","8","9","9","1") = "8"
    & skf18("9","7","3","8","9","10","1") = "9"
    & skf18("9","7","3","8","10","1","1") = "9"
    & skf18("9","7","3","8","10","2","1") = "9"
    & skf18("9","7","3","8","10","3","1") = "9"
    & skf18("9","7","3","8","10","4","1") = "9"
    & skf18("9","7","3","8","10","5","1") = "9"
    & skf18("9","7","3","8","10","6","1") = "9"
    & skf18("9","7","3","8","10","7","1") = "9"
    & skf18("9","7","3","8","10","8","1") = "9"
    & skf18("9","7","3","8","10","9","1") = "9"
    & skf18("9","7","3","8","10","10","1") = "9"
    & skf18("9","7","3","9","1","1","1") = "8"
    & skf18("9","7","3","9","1","2","1") = "8"
    & skf18("9","7","3","9","1","3","1") = "8"
    & skf18("9","7","3","9","1","4","1") = "8"
    & skf18("9","7","3","9","1","5","1") = "8"
    & skf18("9","7","3","9","1","6","1") = "8"
    & skf18("9","7","3","9","1","7","1") = "8"
    & skf18("9","7","3","9","1","8","1") = "8"
    & skf18("9","7","3","9","1","9","1") = "8"
    & skf18("9","7","3","9","1","10","1") = "9"
    & skf18("9","7","3","9","2","1","1") = "8"
    & skf18("9","7","3","9","2","2","1") = "8"
    & skf18("9","7","3","9","2","3","1") = "8"
    & skf18("9","7","3","9","2","4","1") = "8"
    & skf18("9","7","3","9","2","5","1") = "8"
    & skf18("9","7","3","9","2","6","1") = "8"
    & skf18("9","7","3","9","2","7","1") = "8"
    & skf18("9","7","3","9","2","8","1") = "8"
    & skf18("9","7","3","9","2","9","1") = "8"
    & skf18("9","7","3","9","2","10","1") = "9"
    & skf18("9","7","3","9","3","1","1") = "8"
    & skf18("9","7","3","9","3","2","1") = "8"
    & skf18("9","7","3","9","3","3","1") = "8"
    & skf18("9","7","3","9","3","4","1") = "8"
    & skf18("9","7","3","9","3","5","1") = "8"
    & skf18("9","7","3","9","3","6","1") = "8"
    & skf18("9","7","3","9","3","7","1") = "8"
    & skf18("9","7","3","9","3","8","1") = "8"
    & skf18("9","7","3","9","3","9","1") = "8"
    & skf18("9","7","3","9","3","10","1") = "9"
    & skf18("9","7","3","9","4","1","1") = "8"
    & skf18("9","7","3","9","4","2","1") = "8"
    & skf18("9","7","3","9","4","3","1") = "8"
    & skf18("9","7","3","9","4","4","1") = "8"
    & skf18("9","7","3","9","4","5","1") = "8"
    & skf18("9","7","3","9","4","6","1") = "8"
    & skf18("9","7","3","9","4","7","1") = "8"
    & skf18("9","7","3","9","4","8","1") = "8"
    & skf18("9","7","3","9","4","9","1") = "8"
    & skf18("9","7","3","9","4","10","1") = "9"
    & skf18("9","7","3","9","5","1","1") = "8"
    & skf18("9","7","3","9","5","2","1") = "8"
    & skf18("9","7","3","9","5","3","1") = "8"
    & skf18("9","7","3","9","5","4","1") = "8"
    & skf18("9","7","3","9","5","5","1") = "8"
    & skf18("9","7","3","9","5","6","1") = "8"
    & skf18("9","7","3","9","5","7","1") = "8"
    & skf18("9","7","3","9","5","8","1") = "8"
    & skf18("9","7","3","9","5","9","1") = "8"
    & skf18("9","7","3","9","5","10","1") = "9"
    & skf18("9","7","3","9","6","1","1") = "8"
    & skf18("9","7","3","9","6","2","1") = "8"
    & skf18("9","7","3","9","6","3","1") = "8"
    & skf18("9","7","3","9","6","4","1") = "8"
    & skf18("9","7","3","9","6","5","1") = "8"
    & skf18("9","7","3","9","6","6","1") = "8"
    & skf18("9","7","3","9","6","7","1") = "8"
    & skf18("9","7","3","9","6","8","1") = "8"
    & skf18("9","7","3","9","6","9","1") = "8"
    & skf18("9","7","3","9","6","10","1") = "9"
    & skf18("9","7","3","9","7","1","1") = "8"
    & skf18("9","7","3","9","7","2","1") = "8"
    & skf18("9","7","3","9","7","3","1") = "8"
    & skf18("9","7","3","9","7","4","1") = "8"
    & skf18("9","7","3","9","7","5","1") = "8"
    & skf18("9","7","3","9","7","6","1") = "8"
    & skf18("9","7","3","9","7","7","1") = "8"
    & skf18("9","7","3","9","7","8","1") = "8"
    & skf18("9","7","3","9","7","9","1") = "8"
    & skf18("9","7","3","9","7","10","1") = "9"
    & skf18("9","7","3","9","8","1","1") = "8"
    & skf18("9","7","3","9","8","2","1") = "8"
    & skf18("9","7","3","9","8","3","1") = "8"
    & skf18("9","7","3","9","8","4","1") = "8"
    & skf18("9","7","3","9","8","5","1") = "8"
    & skf18("9","7","3","9","8","6","1") = "8"
    & skf18("9","7","3","9","8","7","1") = "8"
    & skf18("9","7","3","9","8","8","1") = "8"
    & skf18("9","7","3","9","8","9","1") = "8"
    & skf18("9","7","3","9","8","10","1") = "9"
    & skf18("9","7","3","9","9","1","1") = "8"
    & skf18("9","7","3","9","9","2","1") = "8"
    & skf18("9","7","3","9","9","3","1") = "8"
    & skf18("9","7","3","9","9","4","1") = "8"
    & skf18("9","7","3","9","9","5","1") = "8"
    & skf18("9","7","3","9","9","6","1") = "8"
    & skf18("9","7","3","9","9","7","1") = "8"
    & skf18("9","7","3","9","9","8","1") = "8"
    & skf18("9","7","3","9","9","9","1") = "8"
    & skf18("9","7","3","9","9","10","1") = "9"
    & skf18("9","7","3","9","10","1","1") = "9"
    & skf18("9","7","3","9","10","2","1") = "9"
    & skf18("9","7","3","9","10","3","1") = "9"
    & skf18("9","7","3","9","10","4","1") = "9"
    & skf18("9","7","3","9","10","5","1") = "9"
    & skf18("9","7","3","9","10","6","1") = "9"
    & skf18("9","7","3","9","10","7","1") = "9"
    & skf18("9","7","3","9","10","8","1") = "9"
    & skf18("9","7","3","9","10","9","1") = "9"
    & skf18("9","7","3","9","10","10","1") = "9"
    & skf18("9","7","3","10","1","1","1") = "9"
    & skf18("9","7","3","10","1","2","1") = "9"
    & skf18("9","7","3","10","1","3","1") = "9"
    & skf18("9","7","3","10","1","4","1") = "9"
    & skf18("9","7","3","10","1","5","1") = "9"
    & skf18("9","7","3","10","1","6","1") = "9"
    & skf18("9","7","3","10","1","7","1") = "9"
    & skf18("9","7","3","10","1","8","1") = "9"
    & skf18("9","7","3","10","1","9","1") = "9"
    & skf18("9","7","3","10","1","10","1") = "9"
    & skf18("9","7","3","10","2","1","1") = "9"
    & skf18("9","7","3","10","2","2","1") = "9"
    & skf18("9","7","3","10","2","3","1") = "9"
    & skf18("9","7","3","10","2","4","1") = "9"
    & skf18("9","7","3","10","2","5","1") = "9"
    & skf18("9","7","3","10","2","6","1") = "9"
    & skf18("9","7","3","10","2","7","1") = "9"
    & skf18("9","7","3","10","2","8","1") = "9"
    & skf18("9","7","3","10","2","9","1") = "9"
    & skf18("9","7","3","10","2","10","1") = "9"
    & skf18("9","7","3","10","3","1","1") = "9"
    & skf18("9","7","3","10","3","2","1") = "9"
    & skf18("9","7","3","10","3","3","1") = "9"
    & skf18("9","7","3","10","3","4","1") = "9"
    & skf18("9","7","3","10","3","5","1") = "9"
    & skf18("9","7","3","10","3","6","1") = "9"
    & skf18("9","7","3","10","3","7","1") = "9"
    & skf18("9","7","3","10","3","8","1") = "9"
    & skf18("9","7","3","10","3","9","1") = "9"
    & skf18("9","7","3","10","3","10","1") = "9"
    & skf18("9","7","3","10","4","1","1") = "9"
    & skf18("9","7","3","10","4","2","1") = "9"
    & skf18("9","7","3","10","4","3","1") = "9"
    & skf18("9","7","3","10","4","4","1") = "9"
    & skf18("9","7","3","10","4","5","1") = "9"
    & skf18("9","7","3","10","4","6","1") = "9"
    & skf18("9","7","3","10","4","7","1") = "9"
    & skf18("9","7","3","10","4","8","1") = "9"
    & skf18("9","7","3","10","4","9","1") = "9"
    & skf18("9","7","3","10","4","10","1") = "9"
    & skf18("9","7","3","10","5","1","1") = "9"
    & skf18("9","7","3","10","5","2","1") = "9"
    & skf18("9","7","3","10","5","3","1") = "9"
    & skf18("9","7","3","10","5","4","1") = "9"
    & skf18("9","7","3","10","5","5","1") = "9"
    & skf18("9","7","3","10","5","6","1") = "9"
    & skf18("9","7","3","10","5","7","1") = "9"
    & skf18("9","7","3","10","5","8","1") = "9"
    & skf18("9","7","3","10","5","9","1") = "9"
    & skf18("9","7","3","10","5","10","1") = "9"
    & skf18("9","7","3","10","6","1","1") = "9"
    & skf18("9","7","3","10","6","2","1") = "9"
    & skf18("9","7","3","10","6","3","1") = "9"
    & skf18("9","7","3","10","6","4","1") = "9"
    & skf18("9","7","3","10","6","5","1") = "9"
    & skf18("9","7","3","10","6","6","1") = "9"
    & skf18("9","7","3","10","6","7","1") = "9"
    & skf18("9","7","3","10","6","8","1") = "9"
    & skf18("9","7","3","10","6","9","1") = "9"
    & skf18("9","7","3","10","6","10","1") = "9"
    & skf18("9","7","3","10","7","1","1") = "9"
    & skf18("9","7","3","10","7","2","1") = "9"
    & skf18("9","7","3","10","7","3","1") = "9"
    & skf18("9","7","3","10","7","4","1") = "9"
    & skf18("9","7","3","10","7","5","1") = "9"
    & skf18("9","7","3","10","7","6","1") = "9"
    & skf18("9","7","3","10","7","7","1") = "9"
    & skf18("9","7","3","10","7","8","1") = "9"
    & skf18("9","7","3","10","7","9","1") = "9"
    & skf18("9","7","3","10","7","10","1") = "9"
    & skf18("9","7","3","10","8","1","1") = "9"
    & skf18("9","7","3","10","8","2","1") = "9"
    & skf18("9","7","3","10","8","3","1") = "9"
    & skf18("9","7","3","10","8","4","1") = "9"
    & skf18("9","7","3","10","8","5","1") = "9"
    & skf18("9","7","3","10","8","6","1") = "9"
    & skf18("9","7","3","10","8","7","1") = "9"
    & skf18("9","7","3","10","8","8","1") = "9"
    & skf18("9","7","3","10","8","9","1") = "9"
    & skf18("9","7","3","10","8","10","1") = "9"
    & skf18("9","7","3","10","9","1","1") = "9"
    & skf18("9","7","3","10","9","2","1") = "9"
    & skf18("9","7","3","10","9","3","1") = "9"
    & skf18("9","7","3","10","9","4","1") = "9"
    & skf18("9","7","3","10","9","5","1") = "9"
    & skf18("9","7","3","10","9","6","1") = "9"
    & skf18("9","7","3","10","9","7","1") = "9"
    & skf18("9","7","3","10","9","8","1") = "9"
    & skf18("9","7","3","10","9","9","1") = "9"
    & skf18("9","7","3","10","9","10","1") = "9"
    & skf18("9","7","3","10","10","1","1") = "9"
    & skf18("9","7","3","10","10","2","1") = "9"
    & skf18("9","7","3","10","10","3","1") = "9"
    & skf18("9","7","3","10","10","4","1") = "9"
    & skf18("9","7","3","10","10","5","1") = "9"
    & skf18("9","7","3","10","10","6","1") = "9"
    & skf18("9","7","3","10","10","7","1") = "9"
    & skf18("9","7","3","10","10","8","1") = "9"
    & skf18("9","7","3","10","10","9","1") = "9"
    & skf18("9","7","3","10","10","10","1") = "9"
    & skf18("9","7","4","1","1","1","1") = "8"
    & skf18("9","7","4","1","1","2","1") = "8"
    & skf18("9","7","4","1","1","3","1") = "8"
    & skf18("9","7","4","1","1","4","1") = "8"
    & skf18("9","7","4","1","1","5","1") = "8"
    & skf18("9","7","4","1","1","6","1") = "8"
    & skf18("9","7","4","1","1","7","1") = "8"
    & skf18("9","7","4","1","1","8","1") = "8"
    & skf18("9","7","4","1","1","9","1") = "8"
    & skf18("9","7","4","1","1","10","1") = "9"
    & skf18("9","7","4","1","2","1","1") = "8"
    & skf18("9","7","4","1","2","2","1") = "8"
    & skf18("9","7","4","1","2","3","1") = "8"
    & skf18("9","7","4","1","2","4","1") = "8"
    & skf18("9","7","4","1","2","5","1") = "8"
    & skf18("9","7","4","1","2","6","1") = "8"
    & skf18("9","7","4","1","2","7","1") = "8"
    & skf18("9","7","4","1","2","8","1") = "8"
    & skf18("9","7","4","1","2","9","1") = "8"
    & skf18("9","7","4","1","2","10","1") = "9"
    & skf18("9","7","4","1","3","1","1") = "8"
    & skf18("9","7","4","1","3","2","1") = "8"
    & skf18("9","7","4","1","3","3","1") = "8"
    & skf18("9","7","4","1","3","4","1") = "8"
    & skf18("9","7","4","1","3","5","1") = "8"
    & skf18("9","7","4","1","3","6","1") = "8"
    & skf18("9","7","4","1","3","7","1") = "8"
    & skf18("9","7","4","1","3","8","1") = "8"
    & skf18("9","7","4","1","3","9","1") = "8"
    & skf18("9","7","4","1","3","10","1") = "9"
    & skf18("9","7","4","1","4","1","1") = "8"
    & skf18("9","7","4","1","4","2","1") = "8"
    & skf18("9","7","4","1","4","3","1") = "8"
    & skf18("9","7","4","1","4","4","1") = "8"
    & skf18("9","7","4","1","4","5","1") = "8"
    & skf18("9","7","4","1","4","6","1") = "8"
    & skf18("9","7","4","1","4","7","1") = "8"
    & skf18("9","7","4","1","4","8","1") = "8"
    & skf18("9","7","4","1","4","9","1") = "8"
    & skf18("9","7","4","1","4","10","1") = "9"
    & skf18("9","7","4","1","5","1","1") = "8"
    & skf18("9","7","4","1","5","2","1") = "8"
    & skf18("9","7","4","1","5","3","1") = "8"
    & skf18("9","7","4","1","5","4","1") = "8"
    & skf18("9","7","4","1","5","5","1") = "8"
    & skf18("9","7","4","1","5","6","1") = "8"
    & skf18("9","7","4","1","5","7","1") = "8"
    & skf18("9","7","4","1","5","8","1") = "8"
    & skf18("9","7","4","1","5","9","1") = "8"
    & skf18("9","7","4","1","5","10","1") = "9"
    & skf18("9","7","4","1","6","1","1") = "8"
    & skf18("9","7","4","1","6","2","1") = "8"
    & skf18("9","7","4","1","6","3","1") = "8"
    & skf18("9","7","4","1","6","4","1") = "8"
    & skf18("9","7","4","1","6","5","1") = "8"
    & skf18("9","7","4","1","6","6","1") = "8"
    & skf18("9","7","4","1","6","7","1") = "8"
    & skf18("9","7","4","1","6","8","1") = "8"
    & skf18("9","7","4","1","6","9","1") = "8"
    & skf18("9","7","4","1","6","10","1") = "9"
    & skf18("9","7","4","1","7","1","1") = "8"
    & skf18("9","7","4","1","7","2","1") = "8"
    & skf18("9","7","4","1","7","3","1") = "8"
    & skf18("9","7","4","1","7","4","1") = "8"
    & skf18("9","7","4","1","7","5","1") = "8"
    & skf18("9","7","4","1","7","6","1") = "8"
    & skf18("9","7","4","1","7","7","1") = "8"
    & skf18("9","7","4","1","7","8","1") = "8"
    & skf18("9","7","4","1","7","9","1") = "8"
    & skf18("9","7","4","1","7","10","1") = "9"
    & skf18("9","7","4","1","8","1","1") = "8"
    & skf18("9","7","4","1","8","2","1") = "8"
    & skf18("9","7","4","1","8","3","1") = "8"
    & skf18("9","7","4","1","8","4","1") = "8"
    & skf18("9","7","4","1","8","5","1") = "8"
    & skf18("9","7","4","1","8","6","1") = "8"
    & skf18("9","7","4","1","8","7","1") = "8"
    & skf18("9","7","4","1","8","8","1") = "8"
    & skf18("9","7","4","1","8","9","1") = "8"
    & skf18("9","7","4","1","8","10","1") = "9"
    & skf18("9","7","4","1","9","1","1") = "8"
    & skf18("9","7","4","1","9","2","1") = "8"
    & skf18("9","7","4","1","9","3","1") = "8"
    & skf18("9","7","4","1","9","4","1") = "8"
    & skf18("9","7","4","1","9","5","1") = "8"
    & skf18("9","7","4","1","9","6","1") = "8"
    & skf18("9","7","4","1","9","7","1") = "8"
    & skf18("9","7","4","1","9","8","1") = "8"
    & skf18("9","7","4","1","9","9","1") = "8"
    & skf18("9","7","4","1","9","10","1") = "9"
    & skf18("9","7","4","1","10","1","1") = "9"
    & skf18("9","7","4","1","10","2","1") = "9"
    & skf18("9","7","4","1","10","3","1") = "9"
    & skf18("9","7","4","1","10","4","1") = "9"
    & skf18("9","7","4","1","10","5","1") = "9"
    & skf18("9","7","4","1","10","6","1") = "9"
    & skf18("9","7","4","1","10","7","1") = "9"
    & skf18("9","7","4","1","10","8","1") = "9"
    & skf18("9","7","4","1","10","9","1") = "9"
    & skf18("9","7","4","1","10","10","1") = "9"
    & skf18("9","7","4","2","1","1","1") = "8"
    & skf18("9","7","4","2","1","2","1") = "8"
    & skf18("9","7","4","2","1","3","1") = "8"
    & skf18("9","7","4","2","1","4","1") = "8"
    & skf18("9","7","4","2","1","5","1") = "8"
    & skf18("9","7","4","2","1","6","1") = "8"
    & skf18("9","7","4","2","1","7","1") = "8"
    & skf18("9","7","4","2","1","8","1") = "8"
    & skf18("9","7","4","2","1","9","1") = "8"
    & skf18("9","7","4","2","1","10","1") = "9"
    & skf18("9","7","4","2","2","1","1") = "8"
    & skf18("9","7","4","2","2","2","1") = "8"
    & skf18("9","7","4","2","2","3","1") = "8"
    & skf18("9","7","4","2","2","4","1") = "8"
    & skf18("9","7","4","2","2","5","1") = "8"
    & skf18("9","7","4","2","2","6","1") = "8"
    & skf18("9","7","4","2","2","7","1") = "8"
    & skf18("9","7","4","2","2","8","1") = "8"
    & skf18("9","7","4","2","2","9","1") = "8"
    & skf18("9","7","4","2","2","10","1") = "9"
    & skf18("9","7","4","2","3","1","1") = "8"
    & skf18("9","7","4","2","3","2","1") = "8"
    & skf18("9","7","4","2","3","3","1") = "8"
    & skf18("9","7","4","2","3","4","1") = "8"
    & skf18("9","7","4","2","3","5","1") = "8"
    & skf18("9","7","4","2","3","6","1") = "8"
    & skf18("9","7","4","2","3","7","1") = "8"
    & skf18("9","7","4","2","3","8","1") = "8"
    & skf18("9","7","4","2","3","9","1") = "8"
    & skf18("9","7","4","2","3","10","1") = "9"
    & skf18("9","7","4","2","4","1","1") = "8"
    & skf18("9","7","4","2","4","2","1") = "8"
    & skf18("9","7","4","2","4","3","1") = "8"
    & skf18("9","7","4","2","4","4","1") = "8"
    & skf18("9","7","4","2","4","5","1") = "8"
    & skf18("9","7","4","2","4","6","1") = "8"
    & skf18("9","7","4","2","4","7","1") = "8"
    & skf18("9","7","4","2","4","8","1") = "8"
    & skf18("9","7","4","2","4","9","1") = "8"
    & skf18("9","7","4","2","4","10","1") = "9"
    & skf18("9","7","4","2","5","1","1") = "8"
    & skf18("9","7","4","2","5","2","1") = "8"
    & skf18("9","7","4","2","5","3","1") = "8"
    & skf18("9","7","4","2","5","4","1") = "8"
    & skf18("9","7","4","2","5","5","1") = "8"
    & skf18("9","7","4","2","5","6","1") = "8"
    & skf18("9","7","4","2","5","7","1") = "8"
    & skf18("9","7","4","2","5","8","1") = "8"
    & skf18("9","7","4","2","5","9","1") = "8"
    & skf18("9","7","4","2","5","10","1") = "9"
    & skf18("9","7","4","2","6","1","1") = "8"
    & skf18("9","7","4","2","6","2","1") = "8"
    & skf18("9","7","4","2","6","3","1") = "8"
    & skf18("9","7","4","2","6","4","1") = "8"
    & skf18("9","7","4","2","6","5","1") = "8"
    & skf18("9","7","4","2","6","6","1") = "8"
    & skf18("9","7","4","2","6","7","1") = "8"
    & skf18("9","7","4","2","6","8","1") = "8"
    & skf18("9","7","4","2","6","9","1") = "8"
    & skf18("9","7","4","2","6","10","1") = "9"
    & skf18("9","7","4","2","7","1","1") = "8"
    & skf18("9","7","4","2","7","2","1") = "8"
    & skf18("9","7","4","2","7","3","1") = "8"
    & skf18("9","7","4","2","7","4","1") = "8"
    & skf18("9","7","4","2","7","5","1") = "8"
    & skf18("9","7","4","2","7","6","1") = "8"
    & skf18("9","7","4","2","7","7","1") = "8"
    & skf18("9","7","4","2","7","8","1") = "8"
    & skf18("9","7","4","2","7","9","1") = "8"
    & skf18("9","7","4","2","7","10","1") = "9"
    & skf18("9","7","4","2","8","1","1") = "8"
    & skf18("9","7","4","2","8","2","1") = "8"
    & skf18("9","7","4","2","8","3","1") = "8"
    & skf18("9","7","4","2","8","4","1") = "8"
    & skf18("9","7","4","2","8","5","1") = "8"
    & skf18("9","7","4","2","8","6","1") = "8"
    & skf18("9","7","4","2","8","7","1") = "8"
    & skf18("9","7","4","2","8","8","1") = "8"
    & skf18("9","7","4","2","8","9","1") = "8"
    & skf18("9","7","4","2","8","10","1") = "9"
    & skf18("9","7","4","2","9","1","1") = "8"
    & skf18("9","7","4","2","9","2","1") = "8"
    & skf18("9","7","4","2","9","3","1") = "8"
    & skf18("9","7","4","2","9","4","1") = "8"
    & skf18("9","7","4","2","9","5","1") = "8"
    & skf18("9","7","4","2","9","6","1") = "8"
    & skf18("9","7","4","2","9","7","1") = "8"
    & skf18("9","7","4","2","9","8","1") = "8"
    & skf18("9","7","4","2","9","9","1") = "8"
    & skf18("9","7","4","2","9","10","1") = "9"
    & skf18("9","7","4","2","10","1","1") = "9"
    & skf18("9","7","4","2","10","2","1") = "9"
    & skf18("9","7","4","2","10","3","1") = "9"
    & skf18("9","7","4","2","10","4","1") = "9"
    & skf18("9","7","4","2","10","5","1") = "9"
    & skf18("9","7","4","2","10","6","1") = "9"
    & skf18("9","7","4","2","10","7","1") = "9"
    & skf18("9","7","4","2","10","8","1") = "9"
    & skf18("9","7","4","2","10","9","1") = "9"
    & skf18("9","7","4","2","10","10","1") = "9"
    & skf18("9","7","4","3","1","1","1") = "8"
    & skf18("9","7","4","3","1","2","1") = "8"
    & skf18("9","7","4","3","1","3","1") = "8"
    & skf18("9","7","4","3","1","4","1") = "8"
    & skf18("9","7","4","3","1","5","1") = "8"
    & skf18("9","7","4","3","1","6","1") = "8"
    & skf18("9","7","4","3","1","7","1") = "8"
    & skf18("9","7","4","3","1","8","1") = "8"
    & skf18("9","7","4","3","1","9","1") = "8"
    & skf18("9","7","4","3","1","10","1") = "9"
    & skf18("9","7","4","3","2","1","1") = "8"
    & skf18("9","7","4","3","2","2","1") = "8"
    & skf18("9","7","4","3","2","3","1") = "8"
    & skf18("9","7","4","3","2","4","1") = "8"
    & skf18("9","7","4","3","2","5","1") = "8"
    & skf18("9","7","4","3","2","6","1") = "8"
    & skf18("9","7","4","3","2","7","1") = "8"
    & skf18("9","7","4","3","2","8","1") = "8"
    & skf18("9","7","4","3","2","9","1") = "8"
    & skf18("9","7","4","3","2","10","1") = "9"
    & skf18("9","7","4","3","3","1","1") = "8"
    & skf18("9","7","4","3","3","2","1") = "8"
    & skf18("9","7","4","3","3","3","1") = "8"
    & skf18("9","7","4","3","3","4","1") = "8"
    & skf18("9","7","4","3","3","5","1") = "8"
    & skf18("9","7","4","3","3","6","1") = "8"
    & skf18("9","7","4","3","3","7","1") = "8"
    & skf18("9","7","4","3","3","8","1") = "8"
    & skf18("9","7","4","3","3","9","1") = "8"
    & skf18("9","7","4","3","3","10","1") = "9"
    & skf18("9","7","4","3","4","1","1") = "8"
    & skf18("9","7","4","3","4","2","1") = "8"
    & skf18("9","7","4","3","4","3","1") = "8"
    & skf18("9","7","4","3","4","4","1") = "8"
    & skf18("9","7","4","3","4","5","1") = "8"
    & skf18("9","7","4","3","4","6","1") = "8"
    & skf18("9","7","4","3","4","7","1") = "8"
    & skf18("9","7","4","3","4","8","1") = "8"
    & skf18("9","7","4","3","4","9","1") = "8"
    & skf18("9","7","4","3","4","10","1") = "9"
    & skf18("9","7","4","3","5","1","1") = "8"
    & skf18("9","7","4","3","5","2","1") = "8"
    & skf18("9","7","4","3","5","3","1") = "8"
    & skf18("9","7","4","3","5","4","1") = "8"
    & skf18("9","7","4","3","5","5","1") = "8"
    & skf18("9","7","4","3","5","6","1") = "8"
    & skf18("9","7","4","3","5","7","1") = "8"
    & skf18("9","7","4","3","5","8","1") = "8"
    & skf18("9","7","4","3","5","9","1") = "8"
    & skf18("9","7","4","3","5","10","1") = "9"
    & skf18("9","7","4","3","6","1","1") = "8"
    & skf18("9","7","4","3","6","2","1") = "8"
    & skf18("9","7","4","3","6","3","1") = "8"
    & skf18("9","7","4","3","6","4","1") = "8"
    & skf18("9","7","4","3","6","5","1") = "8"
    & skf18("9","7","4","3","6","6","1") = "8"
    & skf18("9","7","4","3","6","7","1") = "8"
    & skf18("9","7","4","3","6","8","1") = "8"
    & skf18("9","7","4","3","6","9","1") = "8"
    & skf18("9","7","4","3","6","10","1") = "9"
    & skf18("9","7","4","3","7","1","1") = "8"
    & skf18("9","7","4","3","7","2","1") = "8"
    & skf18("9","7","4","3","7","3","1") = "8"
    & skf18("9","7","4","3","7","4","1") = "8"
    & skf18("9","7","4","3","7","5","1") = "8"
    & skf18("9","7","4","3","7","6","1") = "8"
    & skf18("9","7","4","3","7","7","1") = "8"
    & skf18("9","7","4","3","7","8","1") = "8"
    & skf18("9","7","4","3","7","9","1") = "8"
    & skf18("9","7","4","3","7","10","1") = "9"
    & skf18("9","7","4","3","8","1","1") = "8"
    & skf18("9","7","4","3","8","2","1") = "8"
    & skf18("9","7","4","3","8","3","1") = "8"
    & skf18("9","7","4","3","8","4","1") = "8"
    & skf18("9","7","4","3","8","5","1") = "8"
    & skf18("9","7","4","3","8","6","1") = "8"
    & skf18("9","7","4","3","8","7","1") = "8"
    & skf18("9","7","4","3","8","8","1") = "8"
    & skf18("9","7","4","3","8","9","1") = "8"
    & skf18("9","7","4","3","8","10","1") = "9"
    & skf18("9","7","4","3","9","1","1") = "8"
    & skf18("9","7","4","3","9","2","1") = "8"
    & skf18("9","7","4","3","9","3","1") = "8"
    & skf18("9","7","4","3","9","4","1") = "8"
    & skf18("9","7","4","3","9","5","1") = "8"
    & skf18("9","7","4","3","9","6","1") = "8"
    & skf18("9","7","4","3","9","7","1") = "8"
    & skf18("9","7","4","3","9","8","1") = "8"
    & skf18("9","7","4","3","9","9","1") = "8"
    & skf18("9","7","4","3","9","10","1") = "9"
    & skf18("9","7","4","3","10","1","1") = "9"
    & skf18("9","7","4","3","10","2","1") = "9"
    & skf18("9","7","4","3","10","3","1") = "9"
    & skf18("9","7","4","3","10","4","1") = "9"
    & skf18("9","7","4","3","10","5","1") = "9"
    & skf18("9","7","4","3","10","6","1") = "9"
    & skf18("9","7","4","3","10","7","1") = "9"
    & skf18("9","7","4","3","10","8","1") = "9"
    & skf18("9","7","4","3","10","9","1") = "9"
    & skf18("9","7","4","3","10","10","1") = "9"
    & skf18("9","7","4","4","1","1","1") = "8"
    & skf18("9","7","4","4","1","2","1") = "8"
    & skf18("9","7","4","4","1","3","1") = "8"
    & skf18("9","7","4","4","1","4","1") = "8"
    & skf18("9","7","4","4","1","5","1") = "8"
    & skf18("9","7","4","4","1","6","1") = "8"
    & skf18("9","7","4","4","1","7","1") = "8"
    & skf18("9","7","4","4","1","8","1") = "8"
    & skf18("9","7","4","4","1","9","1") = "8"
    & skf18("9","7","4","4","1","10","1") = "9"
    & skf18("9","7","4","4","2","1","1") = "8"
    & skf18("9","7","4","4","2","2","1") = "8"
    & skf18("9","7","4","4","2","3","1") = "8"
    & skf18("9","7","4","4","2","4","1") = "8"
    & skf18("9","7","4","4","2","5","1") = "8"
    & skf18("9","7","4","4","2","6","1") = "8"
    & skf18("9","7","4","4","2","7","1") = "8"
    & skf18("9","7","4","4","2","8","1") = "8"
    & skf18("9","7","4","4","2","9","1") = "8"
    & skf18("9","7","4","4","2","10","1") = "9"
    & skf18("9","7","4","4","3","1","1") = "8"
    & skf18("9","7","4","4","3","2","1") = "8"
    & skf18("9","7","4","4","3","3","1") = "8"
    & skf18("9","7","4","4","3","4","1") = "8"
    & skf18("9","7","4","4","3","5","1") = "8"
    & skf18("9","7","4","4","3","6","1") = "8"
    & skf18("9","7","4","4","3","7","1") = "8"
    & skf18("9","7","4","4","3","8","1") = "8"
    & skf18("9","7","4","4","3","9","1") = "8"
    & skf18("9","7","4","4","3","10","1") = "9"
    & skf18("9","7","4","4","4","1","1") = "8"
    & skf18("9","7","4","4","4","2","1") = "8"
    & skf18("9","7","4","4","4","3","1") = "8"
    & skf18("9","7","4","4","4","4","1") = "8"
    & skf18("9","7","4","4","4","5","1") = "8"
    & skf18("9","7","4","4","4","6","1") = "8"
    & skf18("9","7","4","4","4","7","1") = "8"
    & skf18("9","7","4","4","4","8","1") = "8"
    & skf18("9","7","4","4","4","9","1") = "8"
    & skf18("9","7","4","4","4","10","1") = "9"
    & skf18("9","7","4","4","5","1","1") = "8"
    & skf18("9","7","4","4","5","2","1") = "8"
    & skf18("9","7","4","4","5","3","1") = "8"
    & skf18("9","7","4","4","5","4","1") = "8"
    & skf18("9","7","4","4","5","5","1") = "8"
    & skf18("9","7","4","4","5","6","1") = "8"
    & skf18("9","7","4","4","5","7","1") = "8"
    & skf18("9","7","4","4","5","8","1") = "8"
    & skf18("9","7","4","4","5","9","1") = "8"
    & skf18("9","7","4","4","5","10","1") = "9"
    & skf18("9","7","4","4","6","1","1") = "8"
    & skf18("9","7","4","4","6","2","1") = "8"
    & skf18("9","7","4","4","6","3","1") = "8"
    & skf18("9","7","4","4","6","4","1") = "8"
    & skf18("9","7","4","4","6","5","1") = "8"
    & skf18("9","7","4","4","6","6","1") = "8"
    & skf18("9","7","4","4","6","7","1") = "8"
    & skf18("9","7","4","4","6","8","1") = "8"
    & skf18("9","7","4","4","6","9","1") = "8"
    & skf18("9","7","4","4","6","10","1") = "9"
    & skf18("9","7","4","4","7","1","1") = "8"
    & skf18("9","7","4","4","7","2","1") = "8"
    & skf18("9","7","4","4","7","3","1") = "8"
    & skf18("9","7","4","4","7","4","1") = "8"
    & skf18("9","7","4","4","7","5","1") = "8"
    & skf18("9","7","4","4","7","6","1") = "8"
    & skf18("9","7","4","4","7","7","1") = "8"
    & skf18("9","7","4","4","7","8","1") = "8"
    & skf18("9","7","4","4","7","9","1") = "8"
    & skf18("9","7","4","4","7","10","1") = "9"
    & skf18("9","7","4","4","8","1","1") = "8"
    & skf18("9","7","4","4","8","2","1") = "8"
    & skf18("9","7","4","4","8","3","1") = "8"
    & skf18("9","7","4","4","8","4","1") = "8"
    & skf18("9","7","4","4","8","5","1") = "8"
    & skf18("9","7","4","4","8","6","1") = "8"
    & skf18("9","7","4","4","8","7","1") = "8"
    & skf18("9","7","4","4","8","8","1") = "8"
    & skf18("9","7","4","4","8","9","1") = "8"
    & skf18("9","7","4","4","8","10","1") = "9"
    & skf18("9","7","4","4","9","1","1") = "8"
    & skf18("9","7","4","4","9","2","1") = "8"
    & skf18("9","7","4","4","9","3","1") = "8"
    & skf18("9","7","4","4","9","4","1") = "8"
    & skf18("9","7","4","4","9","5","1") = "8"
    & skf18("9","7","4","4","9","6","1") = "8"
    & skf18("9","7","4","4","9","7","1") = "8"
    & skf18("9","7","4","4","9","8","1") = "8"
    & skf18("9","7","4","4","9","9","1") = "8"
    & skf18("9","7","4","4","9","10","1") = "9"
    & skf18("9","7","4","4","10","1","1") = "9"
    & skf18("9","7","4","4","10","2","1") = "9"
    & skf18("9","7","4","4","10","3","1") = "9"
    & skf18("9","7","4","4","10","4","1") = "9"
    & skf18("9","7","4","4","10","5","1") = "9"
    & skf18("9","7","4","4","10","6","1") = "9"
    & skf18("9","7","4","4","10","7","1") = "9"
    & skf18("9","7","4","4","10","8","1") = "9"
    & skf18("9","7","4","4","10","9","1") = "9"
    & skf18("9","7","4","4","10","10","1") = "9"
    & skf18("9","7","4","5","1","1","1") = "8"
    & skf18("9","7","4","5","1","2","1") = "8"
    & skf18("9","7","4","5","1","3","1") = "8"
    & skf18("9","7","4","5","1","4","1") = "8"
    & skf18("9","7","4","5","1","5","1") = "8"
    & skf18("9","7","4","5","1","6","1") = "8"
    & skf18("9","7","4","5","1","7","1") = "8"
    & skf18("9","7","4","5","1","8","1") = "8"
    & skf18("9","7","4","5","1","9","1") = "8"
    & skf18("9","7","4","5","1","10","1") = "9"
    & skf18("9","7","4","5","2","1","1") = "8"
    & skf18("9","7","4","5","2","2","1") = "8"
    & skf18("9","7","4","5","2","3","1") = "8"
    & skf18("9","7","4","5","2","4","1") = "8"
    & skf18("9","7","4","5","2","5","1") = "8"
    & skf18("9","7","4","5","2","6","1") = "8"
    & skf18("9","7","4","5","2","7","1") = "8"
    & skf18("9","7","4","5","2","8","1") = "8"
    & skf18("9","7","4","5","2","9","1") = "8"
    & skf18("9","7","4","5","2","10","1") = "9"
    & skf18("9","7","4","5","3","1","1") = "8"
    & skf18("9","7","4","5","3","2","1") = "8"
    & skf18("9","7","4","5","3","3","1") = "8"
    & skf18("9","7","4","5","3","4","1") = "8"
    & skf18("9","7","4","5","3","5","1") = "8"
    & skf18("9","7","4","5","3","6","1") = "8"
    & skf18("9","7","4","5","3","7","1") = "8"
    & skf18("9","7","4","5","3","8","1") = "8"
    & skf18("9","7","4","5","3","9","1") = "8"
    & skf18("9","7","4","5","3","10","1") = "9"
    & skf18("9","7","4","5","4","1","1") = "8"
    & skf18("9","7","4","5","4","2","1") = "8"
    & skf18("9","7","4","5","4","3","1") = "8"
    & skf18("9","7","4","5","4","4","1") = "8"
    & skf18("9","7","4","5","4","5","1") = "8"
    & skf18("9","7","4","5","4","6","1") = "8"
    & skf18("9","7","4","5","4","7","1") = "8"
    & skf18("9","7","4","5","4","8","1") = "8"
    & skf18("9","7","4","5","4","9","1") = "8"
    & skf18("9","7","4","5","4","10","1") = "9"
    & skf18("9","7","4","5","5","1","1") = "8"
    & skf18("9","7","4","5","5","2","1") = "8"
    & skf18("9","7","4","5","5","3","1") = "8"
    & skf18("9","7","4","5","5","4","1") = "8"
    & skf18("9","7","4","5","5","5","1") = "8"
    & skf18("9","7","4","5","5","6","1") = "8"
    & skf18("9","7","4","5","5","7","1") = "8"
    & skf18("9","7","4","5","5","8","1") = "8"
    & skf18("9","7","4","5","5","9","1") = "8"
    & skf18("9","7","4","5","5","10","1") = "9"
    & skf18("9","7","4","5","6","1","1") = "8"
    & skf18("9","7","4","5","6","2","1") = "8"
    & skf18("9","7","4","5","6","3","1") = "8"
    & skf18("9","7","4","5","6","4","1") = "8"
    & skf18("9","7","4","5","6","5","1") = "8"
    & skf18("9","7","4","5","6","6","1") = "8"
    & skf18("9","7","4","5","6","7","1") = "8"
    & skf18("9","7","4","5","6","8","1") = "8"
    & skf18("9","7","4","5","6","9","1") = "8"
    & skf18("9","7","4","5","6","10","1") = "9"
    & skf18("9","7","4","5","7","1","1") = "8"
    & skf18("9","7","4","5","7","2","1") = "8"
    & skf18("9","7","4","5","7","3","1") = "8"
    & skf18("9","7","4","5","7","4","1") = "8"
    & skf18("9","7","4","5","7","5","1") = "8"
    & skf18("9","7","4","5","7","6","1") = "8"
    & skf18("9","7","4","5","7","7","1") = "8"
    & skf18("9","7","4","5","7","8","1") = "8"
    & skf18("9","7","4","5","7","9","1") = "8"
    & skf18("9","7","4","5","7","10","1") = "9"
    & skf18("9","7","4","5","8","1","1") = "8"
    & skf18("9","7","4","5","8","2","1") = "8"
    & skf18("9","7","4","5","8","3","1") = "8"
    & skf18("9","7","4","5","8","4","1") = "8"
    & skf18("9","7","4","5","8","5","1") = "8"
    & skf18("9","7","4","5","8","6","1") = "8"
    & skf18("9","7","4","5","8","7","1") = "8"
    & skf18("9","7","4","5","8","8","1") = "8"
    & skf18("9","7","4","5","8","9","1") = "8"
    & skf18("9","7","4","5","8","10","1") = "9"
    & skf18("9","7","4","5","9","1","1") = "8"
    & skf18("9","7","4","5","9","2","1") = "8"
    & skf18("9","7","4","5","9","3","1") = "8"
    & skf18("9","7","4","5","9","4","1") = "8"
    & skf18("9","7","4","5","9","5","1") = "8"
    & skf18("9","7","4","5","9","6","1") = "8"
    & skf18("9","7","4","5","9","7","1") = "8"
    & skf18("9","7","4","5","9","8","1") = "8"
    & skf18("9","7","4","5","9","9","1") = "8"
    & skf18("9","7","4","5","9","10","1") = "9"
    & skf18("9","7","4","5","10","1","1") = "9"
    & skf18("9","7","4","5","10","2","1") = "9"
    & skf18("9","7","4","5","10","3","1") = "9"
    & skf18("9","7","4","5","10","4","1") = "9"
    & skf18("9","7","4","5","10","5","1") = "9"
    & skf18("9","7","4","5","10","6","1") = "9"
    & skf18("9","7","4","5","10","7","1") = "9"
    & skf18("9","7","4","5","10","8","1") = "9"
    & skf18("9","7","4","5","10","9","1") = "9"
    & skf18("9","7","4","5","10","10","1") = "9"
    & skf18("9","7","4","6","1","1","1") = "8"
    & skf18("9","7","4","6","1","2","1") = "8"
    & skf18("9","7","4","6","1","3","1") = "8"
    & skf18("9","7","4","6","1","4","1") = "8"
    & skf18("9","7","4","6","1","5","1") = "8"
    & skf18("9","7","4","6","1","6","1") = "8"
    & skf18("9","7","4","6","1","7","1") = "8"
    & skf18("9","7","4","6","1","8","1") = "8"
    & skf18("9","7","4","6","1","9","1") = "8"
    & skf18("9","7","4","6","1","10","1") = "9"
    & skf18("9","7","4","6","2","1","1") = "8"
    & skf18("9","7","4","6","2","2","1") = "8"
    & skf18("9","7","4","6","2","3","1") = "8"
    & skf18("9","7","4","6","2","4","1") = "8"
    & skf18("9","7","4","6","2","5","1") = "8"
    & skf18("9","7","4","6","2","6","1") = "8"
    & skf18("9","7","4","6","2","7","1") = "8"
    & skf18("9","7","4","6","2","8","1") = "8"
    & skf18("9","7","4","6","2","9","1") = "8"
    & skf18("9","7","4","6","2","10","1") = "9"
    & skf18("9","7","4","6","3","1","1") = "8"
    & skf18("9","7","4","6","3","2","1") = "8"
    & skf18("9","7","4","6","3","3","1") = "8"
    & skf18("9","7","4","6","3","4","1") = "8"
    & skf18("9","7","4","6","3","5","1") = "8"
    & skf18("9","7","4","6","3","6","1") = "8"
    & skf18("9","7","4","6","3","7","1") = "8"
    & skf18("9","7","4","6","3","8","1") = "8"
    & skf18("9","7","4","6","3","9","1") = "8"
    & skf18("9","7","4","6","3","10","1") = "9"
    & skf18("9","7","4","6","4","1","1") = "8"
    & skf18("9","7","4","6","4","2","1") = "8"
    & skf18("9","7","4","6","4","3","1") = "8"
    & skf18("9","7","4","6","4","4","1") = "8"
    & skf18("9","7","4","6","4","5","1") = "8"
    & skf18("9","7","4","6","4","6","1") = "8"
    & skf18("9","7","4","6","4","7","1") = "8"
    & skf18("9","7","4","6","4","8","1") = "8"
    & skf18("9","7","4","6","4","9","1") = "8"
    & skf18("9","7","4","6","4","10","1") = "9"
    & skf18("9","7","4","6","5","1","1") = "8"
    & skf18("9","7","4","6","5","2","1") = "8"
    & skf18("9","7","4","6","5","3","1") = "8"
    & skf18("9","7","4","6","5","4","1") = "8"
    & skf18("9","7","4","6","5","5","1") = "8"
    & skf18("9","7","4","6","5","6","1") = "8"
    & skf18("9","7","4","6","5","7","1") = "8"
    & skf18("9","7","4","6","5","8","1") = "8"
    & skf18("9","7","4","6","5","9","1") = "8"
    & skf18("9","7","4","6","5","10","1") = "9"
    & skf18("9","7","4","6","6","1","1") = "8"
    & skf18("9","7","4","6","6","2","1") = "8"
    & skf18("9","7","4","6","6","3","1") = "8"
    & skf18("9","7","4","6","6","4","1") = "8"
    & skf18("9","7","4","6","6","5","1") = "8"
    & skf18("9","7","4","6","6","6","1") = "8"
    & skf18("9","7","4","6","6","7","1") = "8"
    & skf18("9","7","4","6","6","8","1") = "8"
    & skf18("9","7","4","6","6","9","1") = "8"
    & skf18("9","7","4","6","6","10","1") = "9"
    & skf18("9","7","4","6","7","1","1") = "8"
    & skf18("9","7","4","6","7","2","1") = "8"
    & skf18("9","7","4","6","7","3","1") = "8"
    & skf18("9","7","4","6","7","4","1") = "8"
    & skf18("9","7","4","6","7","5","1") = "8"
    & skf18("9","7","4","6","7","6","1") = "8"
    & skf18("9","7","4","6","7","7","1") = "8"
    & skf18("9","7","4","6","7","8","1") = "8"
    & skf18("9","7","4","6","7","9","1") = "8"
    & skf18("9","7","4","6","7","10","1") = "9"
    & skf18("9","7","4","6","8","1","1") = "8"
    & skf18("9","7","4","6","8","2","1") = "8"
    & skf18("9","7","4","6","8","3","1") = "8"
    & skf18("9","7","4","6","8","4","1") = "8"
    & skf18("9","7","4","6","8","5","1") = "8"
    & skf18("9","7","4","6","8","6","1") = "8"
    & skf18("9","7","4","6","8","7","1") = "8"
    & skf18("9","7","4","6","8","8","1") = "8"
    & skf18("9","7","4","6","8","9","1") = "8"
    & skf18("9","7","4","6","8","10","1") = "9"
    & skf18("9","7","4","6","9","1","1") = "8"
    & skf18("9","7","4","6","9","2","1") = "8"
    & skf18("9","7","4","6","9","3","1") = "8"
    & skf18("9","7","4","6","9","4","1") = "8"
    & skf18("9","7","4","6","9","5","1") = "8"
    & skf18("9","7","4","6","9","6","1") = "8"
    & skf18("9","7","4","6","9","7","1") = "8"
    & skf18("9","7","4","6","9","8","1") = "8"
    & skf18("9","7","4","6","9","9","1") = "8"
    & skf18("9","7","4","6","9","10","1") = "9"
    & skf18("9","7","4","6","10","1","1") = "9"
    & skf18("9","7","4","6","10","2","1") = "9"
    & skf18("9","7","4","6","10","3","1") = "9"
    & skf18("9","7","4","6","10","4","1") = "9"
    & skf18("9","7","4","6","10","5","1") = "9"
    & skf18("9","7","4","6","10","6","1") = "9"
    & skf18("9","7","4","6","10","7","1") = "9"
    & skf18("9","7","4","6","10","8","1") = "9"
    & skf18("9","7","4","6","10","9","1") = "9"
    & skf18("9","7","4","6","10","10","1") = "9"
    & skf18("9","7","4","7","1","1","1") = "8"
    & skf18("9","7","4","7","1","2","1") = "8"
    & skf18("9","7","4","7","1","3","1") = "8"
    & skf18("9","7","4","7","1","4","1") = "8"
    & skf18("9","7","4","7","1","5","1") = "8"
    & skf18("9","7","4","7","1","6","1") = "8"
    & skf18("9","7","4","7","1","7","1") = "8"
    & skf18("9","7","4","7","1","8","1") = "8"
    & skf18("9","7","4","7","1","9","1") = "8"
    & skf18("9","7","4","7","1","10","1") = "9"
    & skf18("9","7","4","7","2","1","1") = "8"
    & skf18("9","7","4","7","2","2","1") = "8"
    & skf18("9","7","4","7","2","3","1") = "8"
    & skf18("9","7","4","7","2","4","1") = "8"
    & skf18("9","7","4","7","2","5","1") = "8"
    & skf18("9","7","4","7","2","6","1") = "8"
    & skf18("9","7","4","7","2","7","1") = "8"
    & skf18("9","7","4","7","2","8","1") = "8"
    & skf18("9","7","4","7","2","9","1") = "8"
    & skf18("9","7","4","7","2","10","1") = "9"
    & skf18("9","7","4","7","3","1","1") = "8"
    & skf18("9","7","4","7","3","2","1") = "8"
    & skf18("9","7","4","7","3","3","1") = "8"
    & skf18("9","7","4","7","3","4","1") = "8"
    & skf18("9","7","4","7","3","5","1") = "8"
    & skf18("9","7","4","7","3","6","1") = "8"
    & skf18("9","7","4","7","3","7","1") = "8"
    & skf18("9","7","4","7","3","8","1") = "8"
    & skf18("9","7","4","7","3","9","1") = "8"
    & skf18("9","7","4","7","3","10","1") = "9"
    & skf18("9","7","4","7","4","1","1") = "8"
    & skf18("9","7","4","7","4","2","1") = "8"
    & skf18("9","7","4","7","4","3","1") = "8"
    & skf18("9","7","4","7","4","4","1") = "8"
    & skf18("9","7","4","7","4","5","1") = "8"
    & skf18("9","7","4","7","4","6","1") = "8"
    & skf18("9","7","4","7","4","7","1") = "8"
    & skf18("9","7","4","7","4","8","1") = "8"
    & skf18("9","7","4","7","4","9","1") = "8"
    & skf18("9","7","4","7","4","10","1") = "9"
    & skf18("9","7","4","7","5","1","1") = "8"
    & skf18("9","7","4","7","5","2","1") = "8"
    & skf18("9","7","4","7","5","3","1") = "8"
    & skf18("9","7","4","7","5","4","1") = "8"
    & skf18("9","7","4","7","5","5","1") = "8"
    & skf18("9","7","4","7","5","6","1") = "8"
    & skf18("9","7","4","7","5","7","1") = "8"
    & skf18("9","7","4","7","5","8","1") = "8"
    & skf18("9","7","4","7","5","9","1") = "8"
    & skf18("9","7","4","7","5","10","1") = "9"
    & skf18("9","7","4","7","6","1","1") = "8"
    & skf18("9","7","4","7","6","2","1") = "8"
    & skf18("9","7","4","7","6","3","1") = "8"
    & skf18("9","7","4","7","6","4","1") = "8"
    & skf18("9","7","4","7","6","5","1") = "8"
    & skf18("9","7","4","7","6","6","1") = "8"
    & skf18("9","7","4","7","6","7","1") = "8"
    & skf18("9","7","4","7","6","8","1") = "8"
    & skf18("9","7","4","7","6","9","1") = "8"
    & skf18("9","7","4","7","6","10","1") = "9"
    & skf18("9","7","4","7","7","1","1") = "8"
    & skf18("9","7","4","7","7","2","1") = "8"
    & skf18("9","7","4","7","7","3","1") = "8"
    & skf18("9","7","4","7","7","4","1") = "8"
    & skf18("9","7","4","7","7","5","1") = "8"
    & skf18("9","7","4","7","7","6","1") = "8"
    & skf18("9","7","4","7","7","7","1") = "8"
    & skf18("9","7","4","7","7","8","1") = "8"
    & skf18("9","7","4","7","7","9","1") = "8"
    & skf18("9","7","4","7","7","10","1") = "9"
    & skf18("9","7","4","7","8","1","1") = "8"
    & skf18("9","7","4","7","8","2","1") = "8"
    & skf18("9","7","4","7","8","3","1") = "8"
    & skf18("9","7","4","7","8","4","1") = "8"
    & skf18("9","7","4","7","8","5","1") = "8"
    & skf18("9","7","4","7","8","6","1") = "8"
    & skf18("9","7","4","7","8","7","1") = "8"
    & skf18("9","7","4","7","8","8","1") = "8"
    & skf18("9","7","4","7","8","9","1") = "8"
    & skf18("9","7","4","7","8","10","1") = "9"
    & skf18("9","7","4","7","9","1","1") = "8"
    & skf18("9","7","4","7","9","2","1") = "8"
    & skf18("9","7","4","7","9","3","1") = "8"
    & skf18("9","7","4","7","9","4","1") = "8"
    & skf18("9","7","4","7","9","5","1") = "8"
    & skf18("9","7","4","7","9","6","1") = "8"
    & skf18("9","7","4","7","9","7","1") = "8"
    & skf18("9","7","4","7","9","8","1") = "8"
    & skf18("9","7","4","7","9","9","1") = "8"
    & skf18("9","7","4","7","9","10","1") = "9"
    & skf18("9","7","4","7","10","1","1") = "9"
    & skf18("9","7","4","7","10","2","1") = "9"
    & skf18("9","7","4","7","10","3","1") = "9"
    & skf18("9","7","4","7","10","4","1") = "9"
    & skf18("9","7","4","7","10","5","1") = "9"
    & skf18("9","7","4","7","10","6","1") = "9"
    & skf18("9","7","4","7","10","7","1") = "9"
    & skf18("9","7","4","7","10","8","1") = "9"
    & skf18("9","7","4","7","10","9","1") = "9"
    & skf18("9","7","4","7","10","10","1") = "9"
    & skf18("9","7","4","8","1","1","1") = "8"
    & skf18("9","7","4","8","1","2","1") = "8"
    & skf18("9","7","4","8","1","3","1") = "8"
    & skf18("9","7","4","8","1","4","1") = "8"
    & skf18("9","7","4","8","1","5","1") = "8"
    & skf18("9","7","4","8","1","6","1") = "8"
    & skf18("9","7","4","8","1","7","1") = "8"
    & skf18("9","7","4","8","1","8","1") = "8"
    & skf18("9","7","4","8","1","9","1") = "8"
    & skf18("9","7","4","8","1","10","1") = "9"
    & skf18("9","7","4","8","2","1","1") = "8"
    & skf18("9","7","4","8","2","2","1") = "8"
    & skf18("9","7","4","8","2","3","1") = "8"
    & skf18("9","7","4","8","2","4","1") = "8"
    & skf18("9","7","4","8","2","5","1") = "8"
    & skf18("9","7","4","8","2","6","1") = "8"
    & skf18("9","7","4","8","2","7","1") = "8"
    & skf18("9","7","4","8","2","8","1") = "8"
    & skf18("9","7","4","8","2","9","1") = "8"
    & skf18("9","7","4","8","2","10","1") = "9"
    & skf18("9","7","4","8","3","1","1") = "8"
    & skf18("9","7","4","8","3","2","1") = "8"
    & skf18("9","7","4","8","3","3","1") = "8"
    & skf18("9","7","4","8","3","4","1") = "8"
    & skf18("9","7","4","8","3","5","1") = "8"
    & skf18("9","7","4","8","3","6","1") = "8"
    & skf18("9","7","4","8","3","7","1") = "8"
    & skf18("9","7","4","8","3","8","1") = "8"
    & skf18("9","7","4","8","3","9","1") = "8"
    & skf18("9","7","4","8","3","10","1") = "9"
    & skf18("9","7","4","8","4","1","1") = "8"
    & skf18("9","7","4","8","4","2","1") = "8"
    & skf18("9","7","4","8","4","3","1") = "8"
    & skf18("9","7","4","8","4","4","1") = "8"
    & skf18("9","7","4","8","4","5","1") = "8"
    & skf18("9","7","4","8","4","6","1") = "8"
    & skf18("9","7","4","8","4","7","1") = "8"
    & skf18("9","7","4","8","4","8","1") = "8"
    & skf18("9","7","4","8","4","9","1") = "8"
    & skf18("9","7","4","8","4","10","1") = "9"
    & skf18("9","7","4","8","5","1","1") = "8"
    & skf18("9","7","4","8","5","2","1") = "8"
    & skf18("9","7","4","8","5","3","1") = "8"
    & skf18("9","7","4","8","5","4","1") = "8"
    & skf18("9","7","4","8","5","5","1") = "8"
    & skf18("9","7","4","8","5","6","1") = "8"
    & skf18("9","7","4","8","5","7","1") = "8"
    & skf18("9","7","4","8","5","8","1") = "8"
    & skf18("9","7","4","8","5","9","1") = "8"
    & skf18("9","7","4","8","5","10","1") = "9"
    & skf18("9","7","4","8","6","1","1") = "8"
    & skf18("9","7","4","8","6","2","1") = "8"
    & skf18("9","7","4","8","6","3","1") = "8"
    & skf18("9","7","4","8","6","4","1") = "8"
    & skf18("9","7","4","8","6","5","1") = "8"
    & skf18("9","7","4","8","6","6","1") = "8"
    & skf18("9","7","4","8","6","7","1") = "8"
    & skf18("9","7","4","8","6","8","1") = "8"
    & skf18("9","7","4","8","6","9","1") = "8"
    & skf18("9","7","4","8","6","10","1") = "9"
    & skf18("9","7","4","8","7","1","1") = "8"
    & skf18("9","7","4","8","7","2","1") = "8"
    & skf18("9","7","4","8","7","3","1") = "8"
    & skf18("9","7","4","8","7","4","1") = "8"
    & skf18("9","7","4","8","7","5","1") = "8"
    & skf18("9","7","4","8","7","6","1") = "8"
    & skf18("9","7","4","8","7","7","1") = "8"
    & skf18("9","7","4","8","7","8","1") = "8"
    & skf18("9","7","4","8","7","9","1") = "8"
    & skf18("9","7","4","8","7","10","1") = "9"
    & skf18("9","7","4","8","8","1","1") = "8"
    & skf18("9","7","4","8","8","2","1") = "8"
    & skf18("9","7","4","8","8","3","1") = "8"
    & skf18("9","7","4","8","8","4","1") = "8"
    & skf18("9","7","4","8","8","5","1") = "8"
    & skf18("9","7","4","8","8","6","1") = "8"
    & skf18("9","7","4","8","8","7","1") = "8"
    & skf18("9","7","4","8","8","8","1") = "8"
    & skf18("9","7","4","8","8","9","1") = "8"
    & skf18("9","7","4","8","8","10","1") = "9"
    & skf18("9","7","4","8","9","1","1") = "8"
    & skf18("9","7","4","8","9","2","1") = "8"
    & skf18("9","7","4","8","9","3","1") = "8"
    & skf18("9","7","4","8","9","4","1") = "8"
    & skf18("9","7","4","8","9","5","1") = "8"
    & skf18("9","7","4","8","9","6","1") = "8"
    & skf18("9","7","4","8","9","7","1") = "8"
    & skf18("9","7","4","8","9","8","1") = "8"
    & skf18("9","7","4","8","9","9","1") = "8"
    & skf18("9","7","4","8","9","10","1") = "9"
    & skf18("9","7","4","8","10","1","1") = "9"
    & skf18("9","7","4","8","10","2","1") = "9"
    & skf18("9","7","4","8","10","3","1") = "9"
    & skf18("9","7","4","8","10","4","1") = "9"
    & skf18("9","7","4","8","10","5","1") = "9"
    & skf18("9","7","4","8","10","6","1") = "9"
    & skf18("9","7","4","8","10","7","1") = "9"
    & skf18("9","7","4","8","10","8","1") = "9"
    & skf18("9","7","4","8","10","9","1") = "9"
    & skf18("9","7","4","8","10","10","1") = "9"
    & skf18("9","7","4","9","1","1","1") = "8"
    & skf18("9","7","4","9","1","2","1") = "8"
    & skf18("9","7","4","9","1","3","1") = "8"
    & skf18("9","7","4","9","1","4","1") = "8"
    & skf18("9","7","4","9","1","5","1") = "8"
    & skf18("9","7","4","9","1","6","1") = "8"
    & skf18("9","7","4","9","1","7","1") = "8"
    & skf18("9","7","4","9","1","8","1") = "8"
    & skf18("9","7","4","9","1","9","1") = "8"
    & skf18("9","7","4","9","1","10","1") = "9"
    & skf18("9","7","4","9","2","1","1") = "8"
    & skf18("9","7","4","9","2","2","1") = "8"
    & skf18("9","7","4","9","2","3","1") = "8"
    & skf18("9","7","4","9","2","4","1") = "8"
    & skf18("9","7","4","9","2","5","1") = "8"
    & skf18("9","7","4","9","2","6","1") = "8"
    & skf18("9","7","4","9","2","7","1") = "8"
    & skf18("9","7","4","9","2","8","1") = "8"
    & skf18("9","7","4","9","2","9","1") = "8"
    & skf18("9","7","4","9","2","10","1") = "9"
    & skf18("9","7","4","9","3","1","1") = "8"
    & skf18("9","7","4","9","3","2","1") = "8"
    & skf18("9","7","4","9","3","3","1") = "8"
    & skf18("9","7","4","9","3","4","1") = "8"
    & skf18("9","7","4","9","3","5","1") = "8"
    & skf18("9","7","4","9","3","6","1") = "8"
    & skf18("9","7","4","9","3","7","1") = "8"
    & skf18("9","7","4","9","3","8","1") = "8"
    & skf18("9","7","4","9","3","9","1") = "8"
    & skf18("9","7","4","9","3","10","1") = "9"
    & skf18("9","7","4","9","4","1","1") = "8"
    & skf18("9","7","4","9","4","2","1") = "8"
    & skf18("9","7","4","9","4","3","1") = "8"
    & skf18("9","7","4","9","4","4","1") = "8"
    & skf18("9","7","4","9","4","5","1") = "8"
    & skf18("9","7","4","9","4","6","1") = "8"
    & skf18("9","7","4","9","4","7","1") = "8"
    & skf18("9","7","4","9","4","8","1") = "8"
    & skf18("9","7","4","9","4","9","1") = "8"
    & skf18("9","7","4","9","4","10","1") = "9"
    & skf18("9","7","4","9","5","1","1") = "8"
    & skf18("9","7","4","9","5","2","1") = "8"
    & skf18("9","7","4","9","5","3","1") = "8"
    & skf18("9","7","4","9","5","4","1") = "8"
    & skf18("9","7","4","9","5","5","1") = "8"
    & skf18("9","7","4","9","5","6","1") = "8"
    & skf18("9","7","4","9","5","7","1") = "8"
    & skf18("9","7","4","9","5","8","1") = "8"
    & skf18("9","7","4","9","5","9","1") = "8"
    & skf18("9","7","4","9","5","10","1") = "9"
    & skf18("9","7","4","9","6","1","1") = "8"
    & skf18("9","7","4","9","6","2","1") = "8"
    & skf18("9","7","4","9","6","3","1") = "8"
    & skf18("9","7","4","9","6","4","1") = "8"
    & skf18("9","7","4","9","6","5","1") = "8"
    & skf18("9","7","4","9","6","6","1") = "8"
    & skf18("9","7","4","9","6","7","1") = "8"
    & skf18("9","7","4","9","6","8","1") = "8"
    & skf18("9","7","4","9","6","9","1") = "8"
    & skf18("9","7","4","9","6","10","1") = "9"
    & skf18("9","7","4","9","7","1","1") = "8"
    & skf18("9","7","4","9","7","2","1") = "8"
    & skf18("9","7","4","9","7","3","1") = "8"
    & skf18("9","7","4","9","7","4","1") = "8"
    & skf18("9","7","4","9","7","5","1") = "8"
    & skf18("9","7","4","9","7","6","1") = "8"
    & skf18("9","7","4","9","7","7","1") = "8"
    & skf18("9","7","4","9","7","8","1") = "8"
    & skf18("9","7","4","9","7","9","1") = "8"
    & skf18("9","7","4","9","7","10","1") = "9"
    & skf18("9","7","4","9","8","1","1") = "8"
    & skf18("9","7","4","9","8","2","1") = "8"
    & skf18("9","7","4","9","8","3","1") = "8"
    & skf18("9","7","4","9","8","4","1") = "8"
    & skf18("9","7","4","9","8","5","1") = "8"
    & skf18("9","7","4","9","8","6","1") = "8"
    & skf18("9","7","4","9","8","7","1") = "8"
    & skf18("9","7","4","9","8","8","1") = "8"
    & skf18("9","7","4","9","8","9","1") = "8"
    & skf18("9","7","4","9","8","10","1") = "9"
    & skf18("9","7","4","9","9","1","1") = "8"
    & skf18("9","7","4","9","9","2","1") = "8"
    & skf18("9","7","4","9","9","3","1") = "8"
    & skf18("9","7","4","9","9","4","1") = "8"
    & skf18("9","7","4","9","9","5","1") = "8"
    & skf18("9","7","4","9","9","6","1") = "8"
    & skf18("9","7","4","9","9","7","1") = "8"
    & skf18("9","7","4","9","9","8","1") = "8"
    & skf18("9","7","4","9","9","9","1") = "8"
    & skf18("9","7","4","9","9","10","1") = "9"
    & skf18("9","7","4","9","10","1","1") = "9"
    & skf18("9","7","4","9","10","2","1") = "9"
    & skf18("9","7","4","9","10","3","1") = "9"
    & skf18("9","7","4","9","10","4","1") = "9"
    & skf18("9","7","4","9","10","5","1") = "9"
    & skf18("9","7","4","9","10","6","1") = "9"
    & skf18("9","7","4","9","10","7","1") = "9"
    & skf18("9","7","4","9","10","8","1") = "9"
    & skf18("9","7","4","9","10","9","1") = "9"
    & skf18("9","7","4","9","10","10","1") = "9"
    & skf18("9","7","4","10","1","1","1") = "9"
    & skf18("9","7","4","10","1","2","1") = "9"
    & skf18("9","7","4","10","1","3","1") = "9"
    & skf18("9","7","4","10","1","4","1") = "9"
    & skf18("9","7","4","10","1","5","1") = "9"
    & skf18("9","7","4","10","1","6","1") = "9"
    & skf18("9","7","4","10","1","7","1") = "9"
    & skf18("9","7","4","10","1","8","1") = "9"
    & skf18("9","7","4","10","1","9","1") = "9"
    & skf18("9","7","4","10","1","10","1") = "9"
    & skf18("9","7","4","10","2","1","1") = "9"
    & skf18("9","7","4","10","2","2","1") = "9"
    & skf18("9","7","4","10","2","3","1") = "9"
    & skf18("9","7","4","10","2","4","1") = "9"
    & skf18("9","7","4","10","2","5","1") = "9"
    & skf18("9","7","4","10","2","6","1") = "9"
    & skf18("9","7","4","10","2","7","1") = "9"
    & skf18("9","7","4","10","2","8","1") = "9"
    & skf18("9","7","4","10","2","9","1") = "9"
    & skf18("9","7","4","10","2","10","1") = "9"
    & skf18("9","7","4","10","3","1","1") = "9"
    & skf18("9","7","4","10","3","2","1") = "9"
    & skf18("9","7","4","10","3","3","1") = "9"
    & skf18("9","7","4","10","3","4","1") = "9"
    & skf18("9","7","4","10","3","5","1") = "9"
    & skf18("9","7","4","10","3","6","1") = "9"
    & skf18("9","7","4","10","3","7","1") = "9"
    & skf18("9","7","4","10","3","8","1") = "9"
    & skf18("9","7","4","10","3","9","1") = "9"
    & skf18("9","7","4","10","3","10","1") = "9"
    & skf18("9","7","4","10","4","1","1") = "9"
    & skf18("9","7","4","10","4","2","1") = "9"
    & skf18("9","7","4","10","4","3","1") = "9"
    & skf18("9","7","4","10","4","4","1") = "9"
    & skf18("9","7","4","10","4","5","1") = "9"
    & skf18("9","7","4","10","4","6","1") = "9"
    & skf18("9","7","4","10","4","7","1") = "9"
    & skf18("9","7","4","10","4","8","1") = "9"
    & skf18("9","7","4","10","4","9","1") = "9"
    & skf18("9","7","4","10","4","10","1") = "9"
    & skf18("9","7","4","10","5","1","1") = "9"
    & skf18("9","7","4","10","5","2","1") = "9"
    & skf18("9","7","4","10","5","3","1") = "9"
    & skf18("9","7","4","10","5","4","1") = "9"
    & skf18("9","7","4","10","5","5","1") = "9"
    & skf18("9","7","4","10","5","6","1") = "9"
    & skf18("9","7","4","10","5","7","1") = "9"
    & skf18("9","7","4","10","5","8","1") = "9"
    & skf18("9","7","4","10","5","9","1") = "9"
    & skf18("9","7","4","10","5","10","1") = "9"
    & skf18("9","7","4","10","6","1","1") = "9"
    & skf18("9","7","4","10","6","2","1") = "9"
    & skf18("9","7","4","10","6","3","1") = "9"
    & skf18("9","7","4","10","6","4","1") = "9"
    & skf18("9","7","4","10","6","5","1") = "9"
    & skf18("9","7","4","10","6","6","1") = "9"
    & skf18("9","7","4","10","6","7","1") = "9"
    & skf18("9","7","4","10","6","8","1") = "9"
    & skf18("9","7","4","10","6","9","1") = "9"
    & skf18("9","7","4","10","6","10","1") = "9"
    & skf18("9","7","4","10","7","1","1") = "9"
    & skf18("9","7","4","10","7","2","1") = "9"
    & skf18("9","7","4","10","7","3","1") = "9"
    & skf18("9","7","4","10","7","4","1") = "9"
    & skf18("9","7","4","10","7","5","1") = "9"
    & skf18("9","7","4","10","7","6","1") = "9"
    & skf18("9","7","4","10","7","7","1") = "9"
    & skf18("9","7","4","10","7","8","1") = "9"
    & skf18("9","7","4","10","7","9","1") = "9"
    & skf18("9","7","4","10","7","10","1") = "9"
    & skf18("9","7","4","10","8","1","1") = "9"
    & skf18("9","7","4","10","8","2","1") = "9"
    & skf18("9","7","4","10","8","3","1") = "9"
    & skf18("9","7","4","10","8","4","1") = "9"
    & skf18("9","7","4","10","8","5","1") = "9"
    & skf18("9","7","4","10","8","6","1") = "9"
    & skf18("9","7","4","10","8","7","1") = "9"
    & skf18("9","7","4","10","8","8","1") = "9"
    & skf18("9","7","4","10","8","9","1") = "9"
    & skf18("9","7","4","10","8","10","1") = "9"
    & skf18("9","7","4","10","9","1","1") = "9"
    & skf18("9","7","4","10","9","2","1") = "9"
    & skf18("9","7","4","10","9","3","1") = "9"
    & skf18("9","7","4","10","9","4","1") = "9"
    & skf18("9","7","4","10","9","5","1") = "9"
    & skf18("9","7","4","10","9","6","1") = "9"
    & skf18("9","7","4","10","9","7","1") = "9"
    & skf18("9","7","4","10","9","8","1") = "9"
    & skf18("9","7","4","10","9","9","1") = "9"
    & skf18("9","7","4","10","9","10","1") = "9"
    & skf18("9","7","4","10","10","1","1") = "9"
    & skf18("9","7","4","10","10","2","1") = "9"
    & skf18("9","7","4","10","10","3","1") = "9"
    & skf18("9","7","4","10","10","4","1") = "9"
    & skf18("9","7","4","10","10","5","1") = "9"
    & skf18("9","7","4","10","10","6","1") = "9"
    & skf18("9","7","4","10","10","7","1") = "9"
    & skf18("9","7","4","10","10","8","1") = "9"
    & skf18("9","7","4","10","10","9","1") = "9"
    & skf18("9","7","4","10","10","10","1") = "9"
    & skf18("9","7","5","1","1","1","1") = "8"
    & skf18("9","7","5","1","1","2","1") = "8"
    & skf18("9","7","5","1","1","3","1") = "8"
    & skf18("9","7","5","1","1","4","1") = "8"
    & skf18("9","7","5","1","1","5","1") = "8"
    & skf18("9","7","5","1","1","6","1") = "8"
    & skf18("9","7","5","1","1","7","1") = "8"
    & skf18("9","7","5","1","1","8","1") = "8"
    & skf18("9","7","5","1","1","9","1") = "8"
    & skf18("9","7","5","1","1","10","1") = "9"
    & skf18("9","7","5","1","2","1","1") = "8"
    & skf18("9","7","5","1","2","2","1") = "8"
    & skf18("9","7","5","1","2","3","1") = "8"
    & skf18("9","7","5","1","2","4","1") = "8"
    & skf18("9","7","5","1","2","5","1") = "8"
    & skf18("9","7","5","1","2","6","1") = "8"
    & skf18("9","7","5","1","2","7","1") = "8"
    & skf18("9","7","5","1","2","8","1") = "8"
    & skf18("9","7","5","1","2","9","1") = "8"
    & skf18("9","7","5","1","2","10","1") = "9"
    & skf18("9","7","5","1","3","1","1") = "8"
    & skf18("9","7","5","1","3","2","1") = "8"
    & skf18("9","7","5","1","3","3","1") = "8"
    & skf18("9","7","5","1","3","4","1") = "8"
    & skf18("9","7","5","1","3","5","1") = "8"
    & skf18("9","7","5","1","3","6","1") = "8"
    & skf18("9","7","5","1","3","7","1") = "8"
    & skf18("9","7","5","1","3","8","1") = "8"
    & skf18("9","7","5","1","3","9","1") = "8"
    & skf18("9","7","5","1","3","10","1") = "9"
    & skf18("9","7","5","1","4","1","1") = "8"
    & skf18("9","7","5","1","4","2","1") = "8"
    & skf18("9","7","5","1","4","3","1") = "8"
    & skf18("9","7","5","1","4","4","1") = "8"
    & skf18("9","7","5","1","4","5","1") = "8"
    & skf18("9","7","5","1","4","6","1") = "8"
    & skf18("9","7","5","1","4","7","1") = "8"
    & skf18("9","7","5","1","4","8","1") = "8"
    & skf18("9","7","5","1","4","9","1") = "8"
    & skf18("9","7","5","1","4","10","1") = "9"
    & skf18("9","7","5","1","5","1","1") = "8"
    & skf18("9","7","5","1","5","2","1") = "8"
    & skf18("9","7","5","1","5","3","1") = "8"
    & skf18("9","7","5","1","5","4","1") = "8"
    & skf18("9","7","5","1","5","5","1") = "8"
    & skf18("9","7","5","1","5","6","1") = "8"
    & skf18("9","7","5","1","5","7","1") = "8"
    & skf18("9","7","5","1","5","8","1") = "8"
    & skf18("9","7","5","1","5","9","1") = "8"
    & skf18("9","7","5","1","5","10","1") = "9"
    & skf18("9","7","5","1","6","1","1") = "8"
    & skf18("9","7","5","1","6","2","1") = "8"
    & skf18("9","7","5","1","6","3","1") = "8"
    & skf18("9","7","5","1","6","4","1") = "8"
    & skf18("9","7","5","1","6","5","1") = "8"
    & skf18("9","7","5","1","6","6","1") = "8"
    & skf18("9","7","5","1","6","7","1") = "8"
    & skf18("9","7","5","1","6","8","1") = "8"
    & skf18("9","7","5","1","6","9","1") = "8"
    & skf18("9","7","5","1","6","10","1") = "9"
    & skf18("9","7","5","1","7","1","1") = "8"
    & skf18("9","7","5","1","7","2","1") = "8"
    & skf18("9","7","5","1","7","3","1") = "8"
    & skf18("9","7","5","1","7","4","1") = "8"
    & skf18("9","7","5","1","7","5","1") = "8"
    & skf18("9","7","5","1","7","6","1") = "8"
    & skf18("9","7","5","1","7","7","1") = "8"
    & skf18("9","7","5","1","7","8","1") = "8"
    & skf18("9","7","5","1","7","9","1") = "8"
    & skf18("9","7","5","1","7","10","1") = "9"
    & skf18("9","7","5","1","8","1","1") = "8"
    & skf18("9","7","5","1","8","2","1") = "8"
    & skf18("9","7","5","1","8","3","1") = "8"
    & skf18("9","7","5","1","8","4","1") = "8"
    & skf18("9","7","5","1","8","5","1") = "8"
    & skf18("9","7","5","1","8","6","1") = "8"
    & skf18("9","7","5","1","8","7","1") = "8"
    & skf18("9","7","5","1","8","8","1") = "8"
    & skf18("9","7","5","1","8","9","1") = "8"
    & skf18("9","7","5","1","8","10","1") = "9"
    & skf18("9","7","5","1","9","1","1") = "8"
    & skf18("9","7","5","1","9","2","1") = "8"
    & skf18("9","7","5","1","9","3","1") = "8"
    & skf18("9","7","5","1","9","4","1") = "8"
    & skf18("9","7","5","1","9","5","1") = "8"
    & skf18("9","7","5","1","9","6","1") = "8"
    & skf18("9","7","5","1","9","7","1") = "8"
    & skf18("9","7","5","1","9","8","1") = "8"
    & skf18("9","7","5","1","9","9","1") = "8"
    & skf18("9","7","5","1","9","10","1") = "9"
    & skf18("9","7","5","1","10","1","1") = "9"
    & skf18("9","7","5","1","10","2","1") = "9"
    & skf18("9","7","5","1","10","3","1") = "9"
    & skf18("9","7","5","1","10","4","1") = "9"
    & skf18("9","7","5","1","10","5","1") = "9"
    & skf18("9","7","5","1","10","6","1") = "9"
    & skf18("9","7","5","1","10","7","1") = "9"
    & skf18("9","7","5","1","10","8","1") = "9"
    & skf18("9","7","5","1","10","9","1") = "9"
    & skf18("9","7","5","1","10","10","1") = "9"
    & skf18("9","7","5","2","1","1","1") = "8"
    & skf18("9","7","5","2","1","2","1") = "8"
    & skf18("9","7","5","2","1","3","1") = "8"
    & skf18("9","7","5","2","1","4","1") = "8"
    & skf18("9","7","5","2","1","5","1") = "8"
    & skf18("9","7","5","2","1","6","1") = "8"
    & skf18("9","7","5","2","1","7","1") = "8"
    & skf18("9","7","5","2","1","8","1") = "8"
    & skf18("9","7","5","2","1","9","1") = "8"
    & skf18("9","7","5","2","1","10","1") = "9"
    & skf18("9","7","5","2","2","1","1") = "8"
    & skf18("9","7","5","2","2","2","1") = "8"
    & skf18("9","7","5","2","2","3","1") = "8"
    & skf18("9","7","5","2","2","4","1") = "8"
    & skf18("9","7","5","2","2","5","1") = "8"
    & skf18("9","7","5","2","2","6","1") = "8"
    & skf18("9","7","5","2","2","7","1") = "8"
    & skf18("9","7","5","2","2","8","1") = "8"
    & skf18("9","7","5","2","2","9","1") = "8"
    & skf18("9","7","5","2","2","10","1") = "9"
    & skf18("9","7","5","2","3","1","1") = "8"
    & skf18("9","7","5","2","3","2","1") = "8"
    & skf18("9","7","5","2","3","3","1") = "8"
    & skf18("9","7","5","2","3","4","1") = "8"
    & skf18("9","7","5","2","3","5","1") = "8"
    & skf18("9","7","5","2","3","6","1") = "8"
    & skf18("9","7","5","2","3","7","1") = "8"
    & skf18("9","7","5","2","3","8","1") = "8"
    & skf18("9","7","5","2","3","9","1") = "8"
    & skf18("9","7","5","2","3","10","1") = "9"
    & skf18("9","7","5","2","4","1","1") = "8"
    & skf18("9","7","5","2","4","2","1") = "8"
    & skf18("9","7","5","2","4","3","1") = "8"
    & skf18("9","7","5","2","4","4","1") = "8"
    & skf18("9","7","5","2","4","5","1") = "8"
    & skf18("9","7","5","2","4","6","1") = "8"
    & skf18("9","7","5","2","4","7","1") = "8"
    & skf18("9","7","5","2","4","8","1") = "8"
    & skf18("9","7","5","2","4","9","1") = "8"
    & skf18("9","7","5","2","4","10","1") = "9"
    & skf18("9","7","5","2","5","1","1") = "8"
    & skf18("9","7","5","2","5","2","1") = "8"
    & skf18("9","7","5","2","5","3","1") = "8"
    & skf18("9","7","5","2","5","4","1") = "8"
    & skf18("9","7","5","2","5","5","1") = "8"
    & skf18("9","7","5","2","5","6","1") = "8"
    & skf18("9","7","5","2","5","7","1") = "8"
    & skf18("9","7","5","2","5","8","1") = "8"
    & skf18("9","7","5","2","5","9","1") = "8"
    & skf18("9","7","5","2","5","10","1") = "9"
    & skf18("9","7","5","2","6","1","1") = "8"
    & skf18("9","7","5","2","6","2","1") = "8"
    & skf18("9","7","5","2","6","3","1") = "8"
    & skf18("9","7","5","2","6","4","1") = "8"
    & skf18("9","7","5","2","6","5","1") = "8"
    & skf18("9","7","5","2","6","6","1") = "8"
    & skf18("9","7","5","2","6","7","1") = "8"
    & skf18("9","7","5","2","6","8","1") = "8"
    & skf18("9","7","5","2","6","9","1") = "8"
    & skf18("9","7","5","2","6","10","1") = "9"
    & skf18("9","7","5","2","7","1","1") = "8"
    & skf18("9","7","5","2","7","2","1") = "8"
    & skf18("9","7","5","2","7","3","1") = "8"
    & skf18("9","7","5","2","7","4","1") = "8"
    & skf18("9","7","5","2","7","5","1") = "8"
    & skf18("9","7","5","2","7","6","1") = "8"
    & skf18("9","7","5","2","7","7","1") = "8"
    & skf18("9","7","5","2","7","8","1") = "8"
    & skf18("9","7","5","2","7","9","1") = "8"
    & skf18("9","7","5","2","7","10","1") = "9"
    & skf18("9","7","5","2","8","1","1") = "8"
    & skf18("9","7","5","2","8","2","1") = "8"
    & skf18("9","7","5","2","8","3","1") = "8"
    & skf18("9","7","5","2","8","4","1") = "8"
    & skf18("9","7","5","2","8","5","1") = "8"
    & skf18("9","7","5","2","8","6","1") = "8"
    & skf18("9","7","5","2","8","7","1") = "8"
    & skf18("9","7","5","2","8","8","1") = "8"
    & skf18("9","7","5","2","8","9","1") = "8"
    & skf18("9","7","5","2","8","10","1") = "9"
    & skf18("9","7","5","2","9","1","1") = "8"
    & skf18("9","7","5","2","9","2","1") = "8"
    & skf18("9","7","5","2","9","3","1") = "8"
    & skf18("9","7","5","2","9","4","1") = "8"
    & skf18("9","7","5","2","9","5","1") = "8"
    & skf18("9","7","5","2","9","6","1") = "8"
    & skf18("9","7","5","2","9","7","1") = "8"
    & skf18("9","7","5","2","9","8","1") = "8"
    & skf18("9","7","5","2","9","9","1") = "8"
    & skf18("9","7","5","2","9","10","1") = "9"
    & skf18("9","7","5","2","10","1","1") = "9"
    & skf18("9","7","5","2","10","2","1") = "9"
    & skf18("9","7","5","2","10","3","1") = "9"
    & skf18("9","7","5","2","10","4","1") = "9"
    & skf18("9","7","5","2","10","5","1") = "9"
    & skf18("9","7","5","2","10","6","1") = "9"
    & skf18("9","7","5","2","10","7","1") = "9"
    & skf18("9","7","5","2","10","8","1") = "9"
    & skf18("9","7","5","2","10","9","1") = "9"
    & skf18("9","7","5","2","10","10","1") = "9"
    & skf18("9","7","5","3","1","1","1") = "8"
    & skf18("9","7","5","3","1","2","1") = "8"
    & skf18("9","7","5","3","1","3","1") = "8"
    & skf18("9","7","5","3","1","4","1") = "8"
    & skf18("9","7","5","3","1","5","1") = "8"
    & skf18("9","7","5","3","1","6","1") = "8"
    & skf18("9","7","5","3","1","7","1") = "8"
    & skf18("9","7","5","3","1","8","1") = "8"
    & skf18("9","7","5","3","1","9","1") = "8"
    & skf18("9","7","5","3","1","10","1") = "9"
    & skf18("9","7","5","3","2","1","1") = "8"
    & skf18("9","7","5","3","2","2","1") = "8"
    & skf18("9","7","5","3","2","3","1") = "8"
    & skf18("9","7","5","3","2","4","1") = "8"
    & skf18("9","7","5","3","2","5","1") = "8"
    & skf18("9","7","5","3","2","6","1") = "8"
    & skf18("9","7","5","3","2","7","1") = "8"
    & skf18("9","7","5","3","2","8","1") = "8"
    & skf18("9","7","5","3","2","9","1") = "8"
    & skf18("9","7","5","3","2","10","1") = "9"
    & skf18("9","7","5","3","3","1","1") = "8"
    & skf18("9","7","5","3","3","2","1") = "8"
    & skf18("9","7","5","3","3","3","1") = "8"
    & skf18("9","7","5","3","3","4","1") = "8"
    & skf18("9","7","5","3","3","5","1") = "8"
    & skf18("9","7","5","3","3","6","1") = "8"
    & skf18("9","7","5","3","3","7","1") = "8"
    & skf18("9","7","5","3","3","8","1") = "8"
    & skf18("9","7","5","3","3","9","1") = "8"
    & skf18("9","7","5","3","3","10","1") = "9"
    & skf18("9","7","5","3","4","1","1") = "8"
    & skf18("9","7","5","3","4","2","1") = "8"
    & skf18("9","7","5","3","4","3","1") = "8"
    & skf18("9","7","5","3","4","4","1") = "8"
    & skf18("9","7","5","3","4","5","1") = "8"
    & skf18("9","7","5","3","4","6","1") = "8"
    & skf18("9","7","5","3","4","7","1") = "8"
    & skf18("9","7","5","3","4","8","1") = "8"
    & skf18("9","7","5","3","4","9","1") = "8"
    & skf18("9","7","5","3","4","10","1") = "9"
    & skf18("9","7","5","3","5","1","1") = "8"
    & skf18("9","7","5","3","5","2","1") = "8"
    & skf18("9","7","5","3","5","3","1") = "8"
    & skf18("9","7","5","3","5","4","1") = "8"
    & skf18("9","7","5","3","5","5","1") = "8"
    & skf18("9","7","5","3","5","6","1") = "8"
    & skf18("9","7","5","3","5","7","1") = "8"
    & skf18("9","7","5","3","5","8","1") = "8"
    & skf18("9","7","5","3","5","9","1") = "8"
    & skf18("9","7","5","3","5","10","1") = "9"
    & skf18("9","7","5","3","6","1","1") = "8"
    & skf18("9","7","5","3","6","2","1") = "8"
    & skf18("9","7","5","3","6","3","1") = "8"
    & skf18("9","7","5","3","6","4","1") = "8"
    & skf18("9","7","5","3","6","5","1") = "8"
    & skf18("9","7","5","3","6","6","1") = "8"
    & skf18("9","7","5","3","6","7","1") = "8"
    & skf18("9","7","5","3","6","8","1") = "8"
    & skf18("9","7","5","3","6","9","1") = "8"
    & skf18("9","7","5","3","6","10","1") = "9"
    & skf18("9","7","5","3","7","1","1") = "8"
    & skf18("9","7","5","3","7","2","1") = "8"
    & skf18("9","7","5","3","7","3","1") = "8"
    & skf18("9","7","5","3","7","4","1") = "8"
    & skf18("9","7","5","3","7","5","1") = "8"
    & skf18("9","7","5","3","7","6","1") = "8"
    & skf18("9","7","5","3","7","7","1") = "8"
    & skf18("9","7","5","3","7","8","1") = "8"
    & skf18("9","7","5","3","7","9","1") = "8"
    & skf18("9","7","5","3","7","10","1") = "9"
    & skf18("9","7","5","3","8","1","1") = "8"
    & skf18("9","7","5","3","8","2","1") = "8"
    & skf18("9","7","5","3","8","3","1") = "8"
    & skf18("9","7","5","3","8","4","1") = "8"
    & skf18("9","7","5","3","8","5","1") = "8"
    & skf18("9","7","5","3","8","6","1") = "8"
    & skf18("9","7","5","3","8","7","1") = "8"
    & skf18("9","7","5","3","8","8","1") = "8"
    & skf18("9","7","5","3","8","9","1") = "8"
    & skf18("9","7","5","3","8","10","1") = "9"
    & skf18("9","7","5","3","9","1","1") = "8"
    & skf18("9","7","5","3","9","2","1") = "8"
    & skf18("9","7","5","3","9","3","1") = "8"
    & skf18("9","7","5","3","9","4","1") = "8"
    & skf18("9","7","5","3","9","5","1") = "8"
    & skf18("9","7","5","3","9","6","1") = "8"
    & skf18("9","7","5","3","9","7","1") = "8"
    & skf18("9","7","5","3","9","8","1") = "8"
    & skf18("9","7","5","3","9","9","1") = "8"
    & skf18("9","7","5","3","9","10","1") = "9"
    & skf18("9","7","5","3","10","1","1") = "9"
    & skf18("9","7","5","3","10","2","1") = "9"
    & skf18("9","7","5","3","10","3","1") = "9"
    & skf18("9","7","5","3","10","4","1") = "9"
    & skf18("9","7","5","3","10","5","1") = "9"
    & skf18("9","7","5","3","10","6","1") = "9"
    & skf18("9","7","5","3","10","7","1") = "9"
    & skf18("9","7","5","3","10","8","1") = "9"
    & skf18("9","7","5","3","10","9","1") = "9"
    & skf18("9","7","5","3","10","10","1") = "9"
    & skf18("9","7","5","4","1","1","1") = "8"
    & skf18("9","7","5","4","1","2","1") = "8"
    & skf18("9","7","5","4","1","3","1") = "8"
    & skf18("9","7","5","4","1","4","1") = "8"
    & skf18("9","7","5","4","1","5","1") = "8"
    & skf18("9","7","5","4","1","6","1") = "8"
    & skf18("9","7","5","4","1","7","1") = "8"
    & skf18("9","7","5","4","1","8","1") = "8"
    & skf18("9","7","5","4","1","9","1") = "8"
    & skf18("9","7","5","4","1","10","1") = "9"
    & skf18("9","7","5","4","2","1","1") = "8"
    & skf18("9","7","5","4","2","2","1") = "8"
    & skf18("9","7","5","4","2","3","1") = "8"
    & skf18("9","7","5","4","2","4","1") = "8"
    & skf18("9","7","5","4","2","5","1") = "8"
    & skf18("9","7","5","4","2","6","1") = "8"
    & skf18("9","7","5","4","2","7","1") = "8"
    & skf18("9","7","5","4","2","8","1") = "8"
    & skf18("9","7","5","4","2","9","1") = "8"
    & skf18("9","7","5","4","2","10","1") = "9"
    & skf18("9","7","5","4","3","1","1") = "8"
    & skf18("9","7","5","4","3","2","1") = "8"
    & skf18("9","7","5","4","3","3","1") = "8"
    & skf18("9","7","5","4","3","4","1") = "8"
    & skf18("9","7","5","4","3","5","1") = "8"
    & skf18("9","7","5","4","3","6","1") = "8"
    & skf18("9","7","5","4","3","7","1") = "8"
    & skf18("9","7","5","4","3","8","1") = "8"
    & skf18("9","7","5","4","3","9","1") = "8"
    & skf18("9","7","5","4","3","10","1") = "9"
    & skf18("9","7","5","4","4","1","1") = "8"
    & skf18("9","7","5","4","4","2","1") = "8"
    & skf18("9","7","5","4","4","3","1") = "8"
    & skf18("9","7","5","4","4","4","1") = "8"
    & skf18("9","7","5","4","4","5","1") = "8"
    & skf18("9","7","5","4","4","6","1") = "8"
    & skf18("9","7","5","4","4","7","1") = "8"
    & skf18("9","7","5","4","4","8","1") = "8"
    & skf18("9","7","5","4","4","9","1") = "8"
    & skf18("9","7","5","4","4","10","1") = "9"
    & skf18("9","7","5","4","5","1","1") = "8"
    & skf18("9","7","5","4","5","2","1") = "8"
    & skf18("9","7","5","4","5","3","1") = "8"
    & skf18("9","7","5","4","5","4","1") = "8"
    & skf18("9","7","5","4","5","5","1") = "8"
    & skf18("9","7","5","4","5","6","1") = "8"
    & skf18("9","7","5","4","5","7","1") = "8"
    & skf18("9","7","5","4","5","8","1") = "8"
    & skf18("9","7","5","4","5","9","1") = "8"
    & skf18("9","7","5","4","5","10","1") = "9"
    & skf18("9","7","5","4","6","1","1") = "8"
    & skf18("9","7","5","4","6","2","1") = "8"
    & skf18("9","7","5","4","6","3","1") = "8"
    & skf18("9","7","5","4","6","4","1") = "8"
    & skf18("9","7","5","4","6","5","1") = "8"
    & skf18("9","7","5","4","6","6","1") = "8"
    & skf18("9","7","5","4","6","7","1") = "8"
    & skf18("9","7","5","4","6","8","1") = "8"
    & skf18("9","7","5","4","6","9","1") = "8"
    & skf18("9","7","5","4","6","10","1") = "9"
    & skf18("9","7","5","4","7","1","1") = "8"
    & skf18("9","7","5","4","7","2","1") = "8"
    & skf18("9","7","5","4","7","3","1") = "8"
    & skf18("9","7","5","4","7","4","1") = "8"
    & skf18("9","7","5","4","7","5","1") = "8"
    & skf18("9","7","5","4","7","6","1") = "8"
    & skf18("9","7","5","4","7","7","1") = "8"
    & skf18("9","7","5","4","7","8","1") = "8"
    & skf18("9","7","5","4","7","9","1") = "8"
    & skf18("9","7","5","4","7","10","1") = "9"
    & skf18("9","7","5","4","8","1","1") = "8"
    & skf18("9","7","5","4","8","2","1") = "8"
    & skf18("9","7","5","4","8","3","1") = "8"
    & skf18("9","7","5","4","8","4","1") = "8"
    & skf18("9","7","5","4","8","5","1") = "8"
    & skf18("9","7","5","4","8","6","1") = "8"
    & skf18("9","7","5","4","8","7","1") = "8"
    & skf18("9","7","5","4","8","8","1") = "8"
    & skf18("9","7","5","4","8","9","1") = "8"
    & skf18("9","7","5","4","8","10","1") = "9"
    & skf18("9","7","5","4","9","1","1") = "8"
    & skf18("9","7","5","4","9","2","1") = "8"
    & skf18("9","7","5","4","9","3","1") = "8"
    & skf18("9","7","5","4","9","4","1") = "8"
    & skf18("9","7","5","4","9","5","1") = "8"
    & skf18("9","7","5","4","9","6","1") = "8"
    & skf18("9","7","5","4","9","7","1") = "8"
    & skf18("9","7","5","4","9","8","1") = "8"
    & skf18("9","7","5","4","9","9","1") = "8"
    & skf18("9","7","5","4","9","10","1") = "9"
    & skf18("9","7","5","4","10","1","1") = "9"
    & skf18("9","7","5","4","10","2","1") = "9"
    & skf18("9","7","5","4","10","3","1") = "9"
    & skf18("9","7","5","4","10","4","1") = "9"
    & skf18("9","7","5","4","10","5","1") = "9"
    & skf18("9","7","5","4","10","6","1") = "9"
    & skf18("9","7","5","4","10","7","1") = "9"
    & skf18("9","7","5","4","10","8","1") = "9"
    & skf18("9","7","5","4","10","9","1") = "9"
    & skf18("9","7","5","4","10","10","1") = "9"
    & skf18("9","7","5","5","1","1","1") = "8"
    & skf18("9","7","5","5","1","2","1") = "8"
    & skf18("9","7","5","5","1","3","1") = "8"
    & skf18("9","7","5","5","1","4","1") = "8"
    & skf18("9","7","5","5","1","5","1") = "8"
    & skf18("9","7","5","5","1","6","1") = "8"
    & skf18("9","7","5","5","1","7","1") = "8"
    & skf18("9","7","5","5","1","8","1") = "8"
    & skf18("9","7","5","5","1","9","1") = "8"
    & skf18("9","7","5","5","1","10","1") = "9"
    & skf18("9","7","5","5","2","1","1") = "8"
    & skf18("9","7","5","5","2","2","1") = "8"
    & skf18("9","7","5","5","2","3","1") = "8"
    & skf18("9","7","5","5","2","4","1") = "8"
    & skf18("9","7","5","5","2","5","1") = "8"
    & skf18("9","7","5","5","2","6","1") = "8"
    & skf18("9","7","5","5","2","7","1") = "8"
    & skf18("9","7","5","5","2","8","1") = "8"
    & skf18("9","7","5","5","2","9","1") = "8"
    & skf18("9","7","5","5","2","10","1") = "9"
    & skf18("9","7","5","5","3","1","1") = "8"
    & skf18("9","7","5","5","3","2","1") = "8"
    & skf18("9","7","5","5","3","3","1") = "8"
    & skf18("9","7","5","5","3","4","1") = "8"
    & skf18("9","7","5","5","3","5","1") = "8"
    & skf18("9","7","5","5","3","6","1") = "8"
    & skf18("9","7","5","5","3","7","1") = "8"
    & skf18("9","7","5","5","3","8","1") = "8"
    & skf18("9","7","5","5","3","9","1") = "8"
    & skf18("9","7","5","5","3","10","1") = "9"
    & skf18("9","7","5","5","4","1","1") = "8"
    & skf18("9","7","5","5","4","2","1") = "8"
    & skf18("9","7","5","5","4","3","1") = "8"
    & skf18("9","7","5","5","4","4","1") = "8"
    & skf18("9","7","5","5","4","5","1") = "8"
    & skf18("9","7","5","5","4","6","1") = "8"
    & skf18("9","7","5","5","4","7","1") = "8"
    & skf18("9","7","5","5","4","8","1") = "8"
    & skf18("9","7","5","5","4","9","1") = "8"
    & skf18("9","7","5","5","4","10","1") = "9"
    & skf18("9","7","5","5","5","1","1") = "8"
    & skf18("9","7","5","5","5","2","1") = "8"
    & skf18("9","7","5","5","5","3","1") = "8"
    & skf18("9","7","5","5","5","4","1") = "8"
    & skf18("9","7","5","5","5","5","1") = "8"
    & skf18("9","7","5","5","5","6","1") = "8"
    & skf18("9","7","5","5","5","7","1") = "8"
    & skf18("9","7","5","5","5","8","1") = "8"
    & skf18("9","7","5","5","5","9","1") = "8"
    & skf18("9","7","5","5","5","10","1") = "9"
    & skf18("9","7","5","5","6","1","1") = "8"
    & skf18("9","7","5","5","6","2","1") = "8"
    & skf18("9","7","5","5","6","3","1") = "8"
    & skf18("9","7","5","5","6","4","1") = "8"
    & skf18("9","7","5","5","6","5","1") = "8"
    & skf18("9","7","5","5","6","6","1") = "8"
    & skf18("9","7","5","5","6","7","1") = "8"
    & skf18("9","7","5","5","6","8","1") = "8"
    & skf18("9","7","5","5","6","9","1") = "8"
    & skf18("9","7","5","5","6","10","1") = "9"
    & skf18("9","7","5","5","7","1","1") = "8"
    & skf18("9","7","5","5","7","2","1") = "8"
    & skf18("9","7","5","5","7","3","1") = "8"
    & skf18("9","7","5","5","7","4","1") = "8"
    & skf18("9","7","5","5","7","5","1") = "8"
    & skf18("9","7","5","5","7","6","1") = "8"
    & skf18("9","7","5","5","7","7","1") = "8"
    & skf18("9","7","5","5","7","8","1") = "8"
    & skf18("9","7","5","5","7","9","1") = "8"
    & skf18("9","7","5","5","7","10","1") = "9"
    & skf18("9","7","5","5","8","1","1") = "8"
    & skf18("9","7","5","5","8","2","1") = "8"
    & skf18("9","7","5","5","8","3","1") = "8"
    & skf18("9","7","5","5","8","4","1") = "8"
    & skf18("9","7","5","5","8","5","1") = "8"
    & skf18("9","7","5","5","8","6","1") = "8"
    & skf18("9","7","5","5","8","7","1") = "8"
    & skf18("9","7","5","5","8","8","1") = "8"
    & skf18("9","7","5","5","8","9","1") = "8"
    & skf18("9","7","5","5","8","10","1") = "9"
    & skf18("9","7","5","5","9","1","1") = "8"
    & skf18("9","7","5","5","9","2","1") = "8"
    & skf18("9","7","5","5","9","3","1") = "8"
    & skf18("9","7","5","5","9","4","1") = "8"
    & skf18("9","7","5","5","9","5","1") = "8"
    & skf18("9","7","5","5","9","6","1") = "8"
    & skf18("9","7","5","5","9","7","1") = "8"
    & skf18("9","7","5","5","9","8","1") = "8"
    & skf18("9","7","5","5","9","9","1") = "8"
    & skf18("9","7","5","5","9","10","1") = "9"
    & skf18("9","7","5","5","10","1","1") = "9"
    & skf18("9","7","5","5","10","2","1") = "9"
    & skf18("9","7","5","5","10","3","1") = "9"
    & skf18("9","7","5","5","10","4","1") = "9"
    & skf18("9","7","5","5","10","5","1") = "9"
    & skf18("9","7","5","5","10","6","1") = "9"
    & skf18("9","7","5","5","10","7","1") = "9"
    & skf18("9","7","5","5","10","8","1") = "9"
    & skf18("9","7","5","5","10","9","1") = "9"
    & skf18("9","7","5","5","10","10","1") = "9"
    & skf18("9","7","5","6","1","1","1") = "8"
    & skf18("9","7","5","6","1","2","1") = "8"
    & skf18("9","7","5","6","1","3","1") = "8"
    & skf18("9","7","5","6","1","4","1") = "8"
    & skf18("9","7","5","6","1","5","1") = "8"
    & skf18("9","7","5","6","1","6","1") = "8"
    & skf18("9","7","5","6","1","7","1") = "8"
    & skf18("9","7","5","6","1","8","1") = "8"
    & skf18("9","7","5","6","1","9","1") = "8"
    & skf18("9","7","5","6","1","10","1") = "9"
    & skf18("9","7","5","6","2","1","1") = "8"
    & skf18("9","7","5","6","2","2","1") = "8"
    & skf18("9","7","5","6","2","3","1") = "8"
    & skf18("9","7","5","6","2","4","1") = "8"
    & skf18("9","7","5","6","2","5","1") = "8"
    & skf18("9","7","5","6","2","6","1") = "8"
    & skf18("9","7","5","6","2","7","1") = "8"
    & skf18("9","7","5","6","2","8","1") = "8"
    & skf18("9","7","5","6","2","9","1") = "8"
    & skf18("9","7","5","6","2","10","1") = "9"
    & skf18("9","7","5","6","3","1","1") = "8"
    & skf18("9","7","5","6","3","2","1") = "8"
    & skf18("9","7","5","6","3","3","1") = "8"
    & skf18("9","7","5","6","3","4","1") = "8"
    & skf18("9","7","5","6","3","5","1") = "8"
    & skf18("9","7","5","6","3","6","1") = "8"
    & skf18("9","7","5","6","3","7","1") = "8"
    & skf18("9","7","5","6","3","8","1") = "8"
    & skf18("9","7","5","6","3","9","1") = "8"
    & skf18("9","7","5","6","3","10","1") = "9"
    & skf18("9","7","5","6","4","1","1") = "8"
    & skf18("9","7","5","6","4","2","1") = "8"
    & skf18("9","7","5","6","4","3","1") = "8"
    & skf18("9","7","5","6","4","4","1") = "8"
    & skf18("9","7","5","6","4","5","1") = "8"
    & skf18("9","7","5","6","4","6","1") = "8"
    & skf18("9","7","5","6","4","7","1") = "8"
    & skf18("9","7","5","6","4","8","1") = "8"
    & skf18("9","7","5","6","4","9","1") = "8"
    & skf18("9","7","5","6","4","10","1") = "9"
    & skf18("9","7","5","6","5","1","1") = "8"
    & skf18("9","7","5","6","5","2","1") = "8"
    & skf18("9","7","5","6","5","3","1") = "8"
    & skf18("9","7","5","6","5","4","1") = "8"
    & skf18("9","7","5","6","5","5","1") = "8"
    & skf18("9","7","5","6","5","6","1") = "8"
    & skf18("9","7","5","6","5","7","1") = "8"
    & skf18("9","7","5","6","5","8","1") = "8"
    & skf18("9","7","5","6","5","9","1") = "8"
    & skf18("9","7","5","6","5","10","1") = "9"
    & skf18("9","7","5","6","6","1","1") = "8"
    & skf18("9","7","5","6","6","2","1") = "8"
    & skf18("9","7","5","6","6","3","1") = "8"
    & skf18("9","7","5","6","6","4","1") = "8"
    & skf18("9","7","5","6","6","5","1") = "8"
    & skf18("9","7","5","6","6","6","1") = "8"
    & skf18("9","7","5","6","6","7","1") = "8"
    & skf18("9","7","5","6","6","8","1") = "8"
    & skf18("9","7","5","6","6","9","1") = "8"
    & skf18("9","7","5","6","6","10","1") = "9"
    & skf18("9","7","5","6","7","1","1") = "8"
    & skf18("9","7","5","6","7","2","1") = "8"
    & skf18("9","7","5","6","7","3","1") = "8"
    & skf18("9","7","5","6","7","4","1") = "8"
    & skf18("9","7","5","6","7","5","1") = "8"
    & skf18("9","7","5","6","7","6","1") = "8"
    & skf18("9","7","5","6","7","7","1") = "8"
    & skf18("9","7","5","6","7","8","1") = "8"
    & skf18("9","7","5","6","7","9","1") = "8"
    & skf18("9","7","5","6","7","10","1") = "9"
    & skf18("9","7","5","6","8","1","1") = "8"
    & skf18("9","7","5","6","8","2","1") = "8"
    & skf18("9","7","5","6","8","3","1") = "8"
    & skf18("9","7","5","6","8","4","1") = "8"
    & skf18("9","7","5","6","8","5","1") = "8"
    & skf18("9","7","5","6","8","6","1") = "8"
    & skf18("9","7","5","6","8","7","1") = "8"
    & skf18("9","7","5","6","8","8","1") = "8"
    & skf18("9","7","5","6","8","9","1") = "8"
    & skf18("9","7","5","6","8","10","1") = "9"
    & skf18("9","7","5","6","9","1","1") = "8"
    & skf18("9","7","5","6","9","2","1") = "8"
    & skf18("9","7","5","6","9","3","1") = "8"
    & skf18("9","7","5","6","9","4","1") = "8"
    & skf18("9","7","5","6","9","5","1") = "8"
    & skf18("9","7","5","6","9","6","1") = "8"
    & skf18("9","7","5","6","9","7","1") = "8"
    & skf18("9","7","5","6","9","8","1") = "8"
    & skf18("9","7","5","6","9","9","1") = "8"
    & skf18("9","7","5","6","9","10","1") = "9"
    & skf18("9","7","5","6","10","1","1") = "9"
    & skf18("9","7","5","6","10","2","1") = "9"
    & skf18("9","7","5","6","10","3","1") = "9"
    & skf18("9","7","5","6","10","4","1") = "9"
    & skf18("9","7","5","6","10","5","1") = "9"
    & skf18("9","7","5","6","10","6","1") = "9"
    & skf18("9","7","5","6","10","7","1") = "9"
    & skf18("9","7","5","6","10","8","1") = "9"
    & skf18("9","7","5","6","10","9","1") = "9"
    & skf18("9","7","5","6","10","10","1") = "9"
    & skf18("9","7","5","7","1","1","1") = "8"
    & skf18("9","7","5","7","1","2","1") = "8"
    & skf18("9","7","5","7","1","3","1") = "8"
    & skf18("9","7","5","7","1","4","1") = "8"
    & skf18("9","7","5","7","1","5","1") = "8"
    & skf18("9","7","5","7","1","6","1") = "8"
    & skf18("9","7","5","7","1","7","1") = "8"
    & skf18("9","7","5","7","1","8","1") = "8"
    & skf18("9","7","5","7","1","9","1") = "8"
    & skf18("9","7","5","7","1","10","1") = "9"
    & skf18("9","7","5","7","2","1","1") = "8"
    & skf18("9","7","5","7","2","2","1") = "8"
    & skf18("9","7","5","7","2","3","1") = "8"
    & skf18("9","7","5","7","2","4","1") = "8"
    & skf18("9","7","5","7","2","5","1") = "8"
    & skf18("9","7","5","7","2","6","1") = "8"
    & skf18("9","7","5","7","2","7","1") = "8"
    & skf18("9","7","5","7","2","8","1") = "8"
    & skf18("9","7","5","7","2","9","1") = "8"
    & skf18("9","7","5","7","2","10","1") = "9"
    & skf18("9","7","5","7","3","1","1") = "8"
    & skf18("9","7","5","7","3","2","1") = "8"
    & skf18("9","7","5","7","3","3","1") = "8"
    & skf18("9","7","5","7","3","4","1") = "8"
    & skf18("9","7","5","7","3","5","1") = "8"
    & skf18("9","7","5","7","3","6","1") = "8"
    & skf18("9","7","5","7","3","7","1") = "8"
    & skf18("9","7","5","7","3","8","1") = "8"
    & skf18("9","7","5","7","3","9","1") = "8"
    & skf18("9","7","5","7","3","10","1") = "9"
    & skf18("9","7","5","7","4","1","1") = "8"
    & skf18("9","7","5","7","4","2","1") = "8"
    & skf18("9","7","5","7","4","3","1") = "8"
    & skf18("9","7","5","7","4","4","1") = "8"
    & skf18("9","7","5","7","4","5","1") = "8"
    & skf18("9","7","5","7","4","6","1") = "8"
    & skf18("9","7","5","7","4","7","1") = "8"
    & skf18("9","7","5","7","4","8","1") = "8"
    & skf18("9","7","5","7","4","9","1") = "8"
    & skf18("9","7","5","7","4","10","1") = "9"
    & skf18("9","7","5","7","5","1","1") = "8"
    & skf18("9","7","5","7","5","2","1") = "8"
    & skf18("9","7","5","7","5","3","1") = "8"
    & skf18("9","7","5","7","5","4","1") = "8"
    & skf18("9","7","5","7","5","5","1") = "8"
    & skf18("9","7","5","7","5","6","1") = "8"
    & skf18("9","7","5","7","5","7","1") = "8"
    & skf18("9","7","5","7","5","8","1") = "8"
    & skf18("9","7","5","7","5","9","1") = "8"
    & skf18("9","7","5","7","5","10","1") = "9"
    & skf18("9","7","5","7","6","1","1") = "8"
    & skf18("9","7","5","7","6","2","1") = "8"
    & skf18("9","7","5","7","6","3","1") = "8"
    & skf18("9","7","5","7","6","4","1") = "8"
    & skf18("9","7","5","7","6","5","1") = "8"
    & skf18("9","7","5","7","6","6","1") = "8"
    & skf18("9","7","5","7","6","7","1") = "8"
    & skf18("9","7","5","7","6","8","1") = "8"
    & skf18("9","7","5","7","6","9","1") = "8"
    & skf18("9","7","5","7","6","10","1") = "9"
    & skf18("9","7","5","7","7","1","1") = "8"
    & skf18("9","7","5","7","7","2","1") = "8"
    & skf18("9","7","5","7","7","3","1") = "8"
    & skf18("9","7","5","7","7","4","1") = "8"
    & skf18("9","7","5","7","7","5","1") = "8"
    & skf18("9","7","5","7","7","6","1") = "8"
    & skf18("9","7","5","7","7","7","1") = "8"
    & skf18("9","7","5","7","7","8","1") = "8"
    & skf18("9","7","5","7","7","9","1") = "8"
    & skf18("9","7","5","7","7","10","1") = "9"
    & skf18("9","7","5","7","8","1","1") = "8"
    & skf18("9","7","5","7","8","2","1") = "8"
    & skf18("9","7","5","7","8","3","1") = "8"
    & skf18("9","7","5","7","8","4","1") = "8"
    & skf18("9","7","5","7","8","5","1") = "8"
    & skf18("9","7","5","7","8","6","1") = "8"
    & skf18("9","7","5","7","8","7","1") = "8"
    & skf18("9","7","5","7","8","8","1") = "8"
    & skf18("9","7","5","7","8","9","1") = "8"
    & skf18("9","7","5","7","8","10","1") = "9"
    & skf18("9","7","5","7","9","1","1") = "8"
    & skf18("9","7","5","7","9","2","1") = "8"
    & skf18("9","7","5","7","9","3","1") = "8"
    & skf18("9","7","5","7","9","4","1") = "8"
    & skf18("9","7","5","7","9","5","1") = "8"
    & skf18("9","7","5","7","9","6","1") = "8"
    & skf18("9","7","5","7","9","7","1") = "8"
    & skf18("9","7","5","7","9","8","1") = "8"
    & skf18("9","7","5","7","9","9","1") = "8"
    & skf18("9","7","5","7","9","10","1") = "9"
    & skf18("9","7","5","7","10","1","1") = "9"
    & skf18("9","7","5","7","10","2","1") = "9"
    & skf18("9","7","5","7","10","3","1") = "9"
    & skf18("9","7","5","7","10","4","1") = "9"
    & skf18("9","7","5","7","10","5","1") = "9"
    & skf18("9","7","5","7","10","6","1") = "9"
    & skf18("9","7","5","7","10","7","1") = "9"
    & skf18("9","7","5","7","10","8","1") = "9"
    & skf18("9","7","5","7","10","9","1") = "9"
    & skf18("9","7","5","7","10","10","1") = "9"
    & skf18("9","7","5","8","1","1","1") = "8"
    & skf18("9","7","5","8","1","2","1") = "8"
    & skf18("9","7","5","8","1","3","1") = "8"
    & skf18("9","7","5","8","1","4","1") = "8"
    & skf18("9","7","5","8","1","5","1") = "8"
    & skf18("9","7","5","8","1","6","1") = "8"
    & skf18("9","7","5","8","1","7","1") = "8"
    & skf18("9","7","5","8","1","8","1") = "8"
    & skf18("9","7","5","8","1","9","1") = "8"
    & skf18("9","7","5","8","1","10","1") = "9"
    & skf18("9","7","5","8","2","1","1") = "8"
    & skf18("9","7","5","8","2","2","1") = "8"
    & skf18("9","7","5","8","2","3","1") = "8"
    & skf18("9","7","5","8","2","4","1") = "8"
    & skf18("9","7","5","8","2","5","1") = "8"
    & skf18("9","7","5","8","2","6","1") = "8"
    & skf18("9","7","5","8","2","7","1") = "8"
    & skf18("9","7","5","8","2","8","1") = "8"
    & skf18("9","7","5","8","2","9","1") = "8"
    & skf18("9","7","5","8","2","10","1") = "9"
    & skf18("9","7","5","8","3","1","1") = "8"
    & skf18("9","7","5","8","3","2","1") = "8"
    & skf18("9","7","5","8","3","3","1") = "8"
    & skf18("9","7","5","8","3","4","1") = "8"
    & skf18("9","7","5","8","3","5","1") = "8"
    & skf18("9","7","5","8","3","6","1") = "8"
    & skf18("9","7","5","8","3","7","1") = "8"
    & skf18("9","7","5","8","3","8","1") = "8"
    & skf18("9","7","5","8","3","9","1") = "8"
    & skf18("9","7","5","8","3","10","1") = "9"
    & skf18("9","7","5","8","4","1","1") = "8"
    & skf18("9","7","5","8","4","2","1") = "8"
    & skf18("9","7","5","8","4","3","1") = "8"
    & skf18("9","7","5","8","4","4","1") = "8"
    & skf18("9","7","5","8","4","5","1") = "8"
    & skf18("9","7","5","8","4","6","1") = "8"
    & skf18("9","7","5","8","4","7","1") = "8"
    & skf18("9","7","5","8","4","8","1") = "8"
    & skf18("9","7","5","8","4","9","1") = "8"
    & skf18("9","7","5","8","4","10","1") = "9"
    & skf18("9","7","5","8","5","1","1") = "8"
    & skf18("9","7","5","8","5","2","1") = "8"
    & skf18("9","7","5","8","5","3","1") = "8"
    & skf18("9","7","5","8","5","4","1") = "8"
    & skf18("9","7","5","8","5","5","1") = "8"
    & skf18("9","7","5","8","5","6","1") = "8"
    & skf18("9","7","5","8","5","7","1") = "8"
    & skf18("9","7","5","8","5","8","1") = "8"
    & skf18("9","7","5","8","5","9","1") = "8"
    & skf18("9","7","5","8","5","10","1") = "9"
    & skf18("9","7","5","8","6","1","1") = "8"
    & skf18("9","7","5","8","6","2","1") = "8"
    & skf18("9","7","5","8","6","3","1") = "8"
    & skf18("9","7","5","8","6","4","1") = "8"
    & skf18("9","7","5","8","6","5","1") = "8"
    & skf18("9","7","5","8","6","6","1") = "8"
    & skf18("9","7","5","8","6","7","1") = "8"
    & skf18("9","7","5","8","6","8","1") = "8"
    & skf18("9","7","5","8","6","9","1") = "8"
    & skf18("9","7","5","8","6","10","1") = "9"
    & skf18("9","7","5","8","7","1","1") = "8"
    & skf18("9","7","5","8","7","2","1") = "8"
    & skf18("9","7","5","8","7","3","1") = "8"
    & skf18("9","7","5","8","7","4","1") = "8"
    & skf18("9","7","5","8","7","5","1") = "8"
    & skf18("9","7","5","8","7","6","1") = "8"
    & skf18("9","7","5","8","7","7","1") = "8"
    & skf18("9","7","5","8","7","8","1") = "8"
    & skf18("9","7","5","8","7","9","1") = "8"
    & skf18("9","7","5","8","7","10","1") = "9"
    & skf18("9","7","5","8","8","1","1") = "8"
    & skf18("9","7","5","8","8","2","1") = "8"
    & skf18("9","7","5","8","8","3","1") = "8"
    & skf18("9","7","5","8","8","4","1") = "8"
    & skf18("9","7","5","8","8","5","1") = "8"
    & skf18("9","7","5","8","8","6","1") = "8"
    & skf18("9","7","5","8","8","7","1") = "8"
    & skf18("9","7","5","8","8","8","1") = "8"
    & skf18("9","7","5","8","8","9","1") = "8"
    & skf18("9","7","5","8","8","10","1") = "9"
    & skf18("9","7","5","8","9","1","1") = "8"
    & skf18("9","7","5","8","9","2","1") = "8"
    & skf18("9","7","5","8","9","3","1") = "8"
    & skf18("9","7","5","8","9","4","1") = "8"
    & skf18("9","7","5","8","9","5","1") = "8"
    & skf18("9","7","5","8","9","6","1") = "8"
    & skf18("9","7","5","8","9","7","1") = "8"
    & skf18("9","7","5","8","9","8","1") = "8"
    & skf18("9","7","5","8","9","9","1") = "8"
    & skf18("9","7","5","8","9","10","1") = "9"
    & skf18("9","7","5","8","10","1","1") = "9"
    & skf18("9","7","5","8","10","2","1") = "9"
    & skf18("9","7","5","8","10","3","1") = "9"
    & skf18("9","7","5","8","10","4","1") = "9"
    & skf18("9","7","5","8","10","5","1") = "9"
    & skf18("9","7","5","8","10","6","1") = "9"
    & skf18("9","7","5","8","10","7","1") = "9"
    & skf18("9","7","5","8","10","8","1") = "9"
    & skf18("9","7","5","8","10","9","1") = "9"
    & skf18("9","7","5","8","10","10","1") = "9"
    & skf18("9","7","5","9","1","1","1") = "8"
    & skf18("9","7","5","9","1","2","1") = "8"
    & skf18("9","7","5","9","1","3","1") = "8"
    & skf18("9","7","5","9","1","4","1") = "8"
    & skf18("9","7","5","9","1","5","1") = "8"
    & skf18("9","7","5","9","1","6","1") = "8"
    & skf18("9","7","5","9","1","7","1") = "8"
    & skf18("9","7","5","9","1","8","1") = "8"
    & skf18("9","7","5","9","1","9","1") = "8"
    & skf18("9","7","5","9","1","10","1") = "9"
    & skf18("9","7","5","9","2","1","1") = "8"
    & skf18("9","7","5","9","2","2","1") = "8"
    & skf18("9","7","5","9","2","3","1") = "8"
    & skf18("9","7","5","9","2","4","1") = "8"
    & skf18("9","7","5","9","2","5","1") = "8"
    & skf18("9","7","5","9","2","6","1") = "8"
    & skf18("9","7","5","9","2","7","1") = "8"
    & skf18("9","7","5","9","2","8","1") = "8"
    & skf18("9","7","5","9","2","9","1") = "8"
    & skf18("9","7","5","9","2","10","1") = "9"
    & skf18("9","7","5","9","3","1","1") = "8"
    & skf18("9","7","5","9","3","2","1") = "8"
    & skf18("9","7","5","9","3","3","1") = "8"
    & skf18("9","7","5","9","3","4","1") = "8"
    & skf18("9","7","5","9","3","5","1") = "8"
    & skf18("9","7","5","9","3","6","1") = "8"
    & skf18("9","7","5","9","3","7","1") = "8"
    & skf18("9","7","5","9","3","8","1") = "8"
    & skf18("9","7","5","9","3","9","1") = "8"
    & skf18("9","7","5","9","3","10","1") = "9"
    & skf18("9","7","5","9","4","1","1") = "8"
    & skf18("9","7","5","9","4","2","1") = "8"
    & skf18("9","7","5","9","4","3","1") = "8"
    & skf18("9","7","5","9","4","4","1") = "8"
    & skf18("9","7","5","9","4","5","1") = "8"
    & skf18("9","7","5","9","4","6","1") = "8"
    & skf18("9","7","5","9","4","7","1") = "8"
    & skf18("9","7","5","9","4","8","1") = "8"
    & skf18("9","7","5","9","4","9","1") = "8"
    & skf18("9","7","5","9","4","10","1") = "9"
    & skf18("9","7","5","9","5","1","1") = "8"
    & skf18("9","7","5","9","5","2","1") = "8"
    & skf18("9","7","5","9","5","3","1") = "8"
    & skf18("9","7","5","9","5","4","1") = "8"
    & skf18("9","7","5","9","5","5","1") = "8"
    & skf18("9","7","5","9","5","6","1") = "8"
    & skf18("9","7","5","9","5","7","1") = "8"
    & skf18("9","7","5","9","5","8","1") = "8"
    & skf18("9","7","5","9","5","9","1") = "8"
    & skf18("9","7","5","9","5","10","1") = "9"
    & skf18("9","7","5","9","6","1","1") = "8"
    & skf18("9","7","5","9","6","2","1") = "8"
    & skf18("9","7","5","9","6","3","1") = "8"
    & skf18("9","7","5","9","6","4","1") = "8"
    & skf18("9","7","5","9","6","5","1") = "8"
    & skf18("9","7","5","9","6","6","1") = "8"
    & skf18("9","7","5","9","6","7","1") = "8"
    & skf18("9","7","5","9","6","8","1") = "8"
    & skf18("9","7","5","9","6","9","1") = "8"
    & skf18("9","7","5","9","6","10","1") = "9"
    & skf18("9","7","5","9","7","1","1") = "8"
    & skf18("9","7","5","9","7","2","1") = "8"
    & skf18("9","7","5","9","7","3","1") = "8"
    & skf18("9","7","5","9","7","4","1") = "8"
    & skf18("9","7","5","9","7","5","1") = "8"
    & skf18("9","7","5","9","7","6","1") = "8"
    & skf18("9","7","5","9","7","7","1") = "8"
    & skf18("9","7","5","9","7","8","1") = "8"
    & skf18("9","7","5","9","7","9","1") = "8"
    & skf18("9","7","5","9","7","10","1") = "9"
    & skf18("9","7","5","9","8","1","1") = "8"
    & skf18("9","7","5","9","8","2","1") = "8"
    & skf18("9","7","5","9","8","3","1") = "8"
    & skf18("9","7","5","9","8","4","1") = "8"
    & skf18("9","7","5","9","8","5","1") = "8"
    & skf18("9","7","5","9","8","6","1") = "8"
    & skf18("9","7","5","9","8","7","1") = "8"
    & skf18("9","7","5","9","8","8","1") = "8"
    & skf18("9","7","5","9","8","9","1") = "8"
    & skf18("9","7","5","9","8","10","1") = "9"
    & skf18("9","7","5","9","9","1","1") = "8"
    & skf18("9","7","5","9","9","2","1") = "8"
    & skf18("9","7","5","9","9","3","1") = "8"
    & skf18("9","7","5","9","9","4","1") = "8"
    & skf18("9","7","5","9","9","5","1") = "8"
    & skf18("9","7","5","9","9","6","1") = "8"
    & skf18("9","7","5","9","9","7","1") = "8"
    & skf18("9","7","5","9","9","8","1") = "8"
    & skf18("9","7","5","9","9","9","1") = "8"
    & skf18("9","7","5","9","9","10","1") = "9"
    & skf18("9","7","5","9","10","1","1") = "9"
    & skf18("9","7","5","9","10","2","1") = "9"
    & skf18("9","7","5","9","10","3","1") = "9"
    & skf18("9","7","5","9","10","4","1") = "9"
    & skf18("9","7","5","9","10","5","1") = "9"
    & skf18("9","7","5","9","10","6","1") = "9"
    & skf18("9","7","5","9","10","7","1") = "9"
    & skf18("9","7","5","9","10","8","1") = "9"
    & skf18("9","7","5","9","10","9","1") = "9"
    & skf18("9","7","5","9","10","10","1") = "9"
    & skf18("9","7","5","10","1","1","1") = "9"
    & skf18("9","7","5","10","1","2","1") = "9"
    & skf18("9","7","5","10","1","3","1") = "9"
    & skf18("9","7","5","10","1","4","1") = "9"
    & skf18("9","7","5","10","1","5","1") = "9"
    & skf18("9","7","5","10","1","6","1") = "9"
    & skf18("9","7","5","10","1","7","1") = "9"
    & skf18("9","7","5","10","1","8","1") = "9"
    & skf18("9","7","5","10","1","9","1") = "9"
    & skf18("9","7","5","10","1","10","1") = "9"
    & skf18("9","7","5","10","2","1","1") = "9"
    & skf18("9","7","5","10","2","2","1") = "9"
    & skf18("9","7","5","10","2","3","1") = "9"
    & skf18("9","7","5","10","2","4","1") = "9"
    & skf18("9","7","5","10","2","5","1") = "9"
    & skf18("9","7","5","10","2","6","1") = "9"
    & skf18("9","7","5","10","2","7","1") = "9"
    & skf18("9","7","5","10","2","8","1") = "9"
    & skf18("9","7","5","10","2","9","1") = "9"
    & skf18("9","7","5","10","2","10","1") = "9"
    & skf18("9","7","5","10","3","1","1") = "9"
    & skf18("9","7","5","10","3","2","1") = "9"
    & skf18("9","7","5","10","3","3","1") = "9"
    & skf18("9","7","5","10","3","4","1") = "9"
    & skf18("9","7","5","10","3","5","1") = "9"
    & skf18("9","7","5","10","3","6","1") = "9"
    & skf18("9","7","5","10","3","7","1") = "9"
    & skf18("9","7","5","10","3","8","1") = "9"
    & skf18("9","7","5","10","3","9","1") = "9"
    & skf18("9","7","5","10","3","10","1") = "9"
    & skf18("9","7","5","10","4","1","1") = "9"
    & skf18("9","7","5","10","4","2","1") = "9"
    & skf18("9","7","5","10","4","3","1") = "9"
    & skf18("9","7","5","10","4","4","1") = "9"
    & skf18("9","7","5","10","4","5","1") = "9"
    & skf18("9","7","5","10","4","6","1") = "9"
    & skf18("9","7","5","10","4","7","1") = "9"
    & skf18("9","7","5","10","4","8","1") = "9"
    & skf18("9","7","5","10","4","9","1") = "9"
    & skf18("9","7","5","10","4","10","1") = "9"
    & skf18("9","7","5","10","5","1","1") = "9"
    & skf18("9","7","5","10","5","2","1") = "9"
    & skf18("9","7","5","10","5","3","1") = "9"
    & skf18("9","7","5","10","5","4","1") = "9"
    & skf18("9","7","5","10","5","5","1") = "9"
    & skf18("9","7","5","10","5","6","1") = "9"
    & skf18("9","7","5","10","5","7","1") = "9"
    & skf18("9","7","5","10","5","8","1") = "9"
    & skf18("9","7","5","10","5","9","1") = "9"
    & skf18("9","7","5","10","5","10","1") = "9"
    & skf18("9","7","5","10","6","1","1") = "9"
    & skf18("9","7","5","10","6","2","1") = "9"
    & skf18("9","7","5","10","6","3","1") = "9"
    & skf18("9","7","5","10","6","4","1") = "9"
    & skf18("9","7","5","10","6","5","1") = "9"
    & skf18("9","7","5","10","6","6","1") = "9"
    & skf18("9","7","5","10","6","7","1") = "9"
    & skf18("9","7","5","10","6","8","1") = "9"
    & skf18("9","7","5","10","6","9","1") = "9"
    & skf18("9","7","5","10","6","10","1") = "9"
    & skf18("9","7","5","10","7","1","1") = "9"
    & skf18("9","7","5","10","7","2","1") = "9"
    & skf18("9","7","5","10","7","3","1") = "9"
    & skf18("9","7","5","10","7","4","1") = "9"
    & skf18("9","7","5","10","7","5","1") = "9"
    & skf18("9","7","5","10","7","6","1") = "9"
    & skf18("9","7","5","10","7","7","1") = "9"
    & skf18("9","7","5","10","7","8","1") = "9"
    & skf18("9","7","5","10","7","9","1") = "9"
    & skf18("9","7","5","10","7","10","1") = "9"
    & skf18("9","7","5","10","8","1","1") = "9"
    & skf18("9","7","5","10","8","2","1") = "9"
    & skf18("9","7","5","10","8","3","1") = "9"
    & skf18("9","7","5","10","8","4","1") = "9"
    & skf18("9","7","5","10","8","5","1") = "9"
    & skf18("9","7","5","10","8","6","1") = "9"
    & skf18("9","7","5","10","8","7","1") = "9"
    & skf18("9","7","5","10","8","8","1") = "9"
    & skf18("9","7","5","10","8","9","1") = "9"
    & skf18("9","7","5","10","8","10","1") = "9"
    & skf18("9","7","5","10","9","1","1") = "9"
    & skf18("9","7","5","10","9","2","1") = "9"
    & skf18("9","7","5","10","9","3","1") = "9"
    & skf18("9","7","5","10","9","4","1") = "9"
    & skf18("9","7","5","10","9","5","1") = "9"
    & skf18("9","7","5","10","9","6","1") = "9"
    & skf18("9","7","5","10","9","7","1") = "9"
    & skf18("9","7","5","10","9","8","1") = "9"
    & skf18("9","7","5","10","9","9","1") = "9"
    & skf18("9","7","5","10","9","10","1") = "9"
    & skf18("9","7","5","10","10","1","1") = "9"
    & skf18("9","7","5","10","10","2","1") = "9"
    & skf18("9","7","5","10","10","3","1") = "9"
    & skf18("9","7","5","10","10","4","1") = "9"
    & skf18("9","7","5","10","10","5","1") = "9"
    & skf18("9","7","5","10","10","6","1") = "9"
    & skf18("9","7","5","10","10","7","1") = "9"
    & skf18("9","7","5","10","10","8","1") = "9"
    & skf18("9","7","5","10","10","9","1") = "9"
    & skf18("9","7","5","10","10","10","1") = "9"
    & skf18("9","7","6","1","1","1","1") = "8"
    & skf18("9","7","6","1","1","2","1") = "8"
    & skf18("9","7","6","1","1","3","1") = "8"
    & skf18("9","7","6","1","1","4","1") = "8"
    & skf18("9","7","6","1","1","5","1") = "8"
    & skf18("9","7","6","1","1","6","1") = "8"
    & skf18("9","7","6","1","1","7","1") = "8"
    & skf18("9","7","6","1","1","8","1") = "8"
    & skf18("9","7","6","1","1","9","1") = "8"
    & skf18("9","7","6","1","1","10","1") = "9"
    & skf18("9","7","6","1","2","1","1") = "8"
    & skf18("9","7","6","1","2","2","1") = "8"
    & skf18("9","7","6","1","2","3","1") = "8"
    & skf18("9","7","6","1","2","4","1") = "8"
    & skf18("9","7","6","1","2","5","1") = "8"
    & skf18("9","7","6","1","2","6","1") = "8"
    & skf18("9","7","6","1","2","7","1") = "8"
    & skf18("9","7","6","1","2","8","1") = "8"
    & skf18("9","7","6","1","2","9","1") = "8"
    & skf18("9","7","6","1","2","10","1") = "9"
    & skf18("9","7","6","1","3","1","1") = "8"
    & skf18("9","7","6","1","3","2","1") = "8"
    & skf18("9","7","6","1","3","3","1") = "8"
    & skf18("9","7","6","1","3","4","1") = "8"
    & skf18("9","7","6","1","3","5","1") = "8"
    & skf18("9","7","6","1","3","6","1") = "8"
    & skf18("9","7","6","1","3","7","1") = "8"
    & skf18("9","7","6","1","3","8","1") = "8"
    & skf18("9","7","6","1","3","9","1") = "8"
    & skf18("9","7","6","1","3","10","1") = "9"
    & skf18("9","7","6","1","4","1","1") = "8"
    & skf18("9","7","6","1","4","2","1") = "8"
    & skf18("9","7","6","1","4","3","1") = "8"
    & skf18("9","7","6","1","4","4","1") = "8"
    & skf18("9","7","6","1","4","5","1") = "8"
    & skf18("9","7","6","1","4","6","1") = "8"
    & skf18("9","7","6","1","4","7","1") = "8"
    & skf18("9","7","6","1","4","8","1") = "8"
    & skf18("9","7","6","1","4","9","1") = "8"
    & skf18("9","7","6","1","4","10","1") = "9"
    & skf18("9","7","6","1","5","1","1") = "8"
    & skf18("9","7","6","1","5","2","1") = "8"
    & skf18("9","7","6","1","5","3","1") = "8"
    & skf18("9","7","6","1","5","4","1") = "8"
    & skf18("9","7","6","1","5","5","1") = "8"
    & skf18("9","7","6","1","5","6","1") = "8"
    & skf18("9","7","6","1","5","7","1") = "8"
    & skf18("9","7","6","1","5","8","1") = "8"
    & skf18("9","7","6","1","5","9","1") = "8"
    & skf18("9","7","6","1","5","10","1") = "9"
    & skf18("9","7","6","1","6","1","1") = "8"
    & skf18("9","7","6","1","6","2","1") = "8"
    & skf18("9","7","6","1","6","3","1") = "8"
    & skf18("9","7","6","1","6","4","1") = "8"
    & skf18("9","7","6","1","6","5","1") = "8"
    & skf18("9","7","6","1","6","6","1") = "8"
    & skf18("9","7","6","1","6","7","1") = "8"
    & skf18("9","7","6","1","6","8","1") = "8"
    & skf18("9","7","6","1","6","9","1") = "8"
    & skf18("9","7","6","1","6","10","1") = "9"
    & skf18("9","7","6","1","7","1","1") = "8"
    & skf18("9","7","6","1","7","2","1") = "8"
    & skf18("9","7","6","1","7","3","1") = "8"
    & skf18("9","7","6","1","7","4","1") = "8"
    & skf18("9","7","6","1","7","5","1") = "8"
    & skf18("9","7","6","1","7","6","1") = "8"
    & skf18("9","7","6","1","7","7","1") = "8"
    & skf18("9","7","6","1","7","8","1") = "8"
    & skf18("9","7","6","1","7","9","1") = "8"
    & skf18("9","7","6","1","7","10","1") = "9"
    & skf18("9","7","6","1","8","1","1") = "8"
    & skf18("9","7","6","1","8","2","1") = "8"
    & skf18("9","7","6","1","8","3","1") = "8"
    & skf18("9","7","6","1","8","4","1") = "8"
    & skf18("9","7","6","1","8","5","1") = "8"
    & skf18("9","7","6","1","8","6","1") = "8"
    & skf18("9","7","6","1","8","7","1") = "8"
    & skf18("9","7","6","1","8","8","1") = "8"
    & skf18("9","7","6","1","8","9","1") = "8"
    & skf18("9","7","6","1","8","10","1") = "9"
    & skf18("9","7","6","1","9","1","1") = "8"
    & skf18("9","7","6","1","9","2","1") = "8"
    & skf18("9","7","6","1","9","3","1") = "8"
    & skf18("9","7","6","1","9","4","1") = "8"
    & skf18("9","7","6","1","9","5","1") = "8"
    & skf18("9","7","6","1","9","6","1") = "8"
    & skf18("9","7","6","1","9","7","1") = "8"
    & skf18("9","7","6","1","9","8","1") = "8"
    & skf18("9","7","6","1","9","9","1") = "8"
    & skf18("9","7","6","1","9","10","1") = "9"
    & skf18("9","7","6","1","10","1","1") = "9"
    & skf18("9","7","6","1","10","2","1") = "9"
    & skf18("9","7","6","1","10","3","1") = "9"
    & skf18("9","7","6","1","10","4","1") = "9"
    & skf18("9","7","6","1","10","5","1") = "9"
    & skf18("9","7","6","1","10","6","1") = "9"
    & skf18("9","7","6","1","10","7","1") = "9"
    & skf18("9","7","6","1","10","8","1") = "9"
    & skf18("9","7","6","1","10","9","1") = "9"
    & skf18("9","7","6","1","10","10","1") = "9"
    & skf18("9","7","6","2","1","1","1") = "8"
    & skf18("9","7","6","2","1","2","1") = "8"
    & skf18("9","7","6","2","1","3","1") = "8"
    & skf18("9","7","6","2","1","4","1") = "8"
    & skf18("9","7","6","2","1","5","1") = "8"
    & skf18("9","7","6","2","1","6","1") = "8"
    & skf18("9","7","6","2","1","7","1") = "8"
    & skf18("9","7","6","2","1","8","1") = "8"
    & skf18("9","7","6","2","1","9","1") = "8"
    & skf18("9","7","6","2","1","10","1") = "9"
    & skf18("9","7","6","2","2","1","1") = "8"
    & skf18("9","7","6","2","2","2","1") = "8"
    & skf18("9","7","6","2","2","3","1") = "8"
    & skf18("9","7","6","2","2","4","1") = "8"
    & skf18("9","7","6","2","2","5","1") = "8"
    & skf18("9","7","6","2","2","6","1") = "8"
    & skf18("9","7","6","2","2","7","1") = "8"
    & skf18("9","7","6","2","2","8","1") = "8"
    & skf18("9","7","6","2","2","9","1") = "8"
    & skf18("9","7","6","2","2","10","1") = "9"
    & skf18("9","7","6","2","3","1","1") = "8"
    & skf18("9","7","6","2","3","2","1") = "8"
    & skf18("9","7","6","2","3","3","1") = "8"
    & skf18("9","7","6","2","3","4","1") = "8"
    & skf18("9","7","6","2","3","5","1") = "8"
    & skf18("9","7","6","2","3","6","1") = "8"
    & skf18("9","7","6","2","3","7","1") = "8"
    & skf18("9","7","6","2","3","8","1") = "8"
    & skf18("9","7","6","2","3","9","1") = "8"
    & skf18("9","7","6","2","3","10","1") = "9"
    & skf18("9","7","6","2","4","1","1") = "8"
    & skf18("9","7","6","2","4","2","1") = "8"
    & skf18("9","7","6","2","4","3","1") = "8"
    & skf18("9","7","6","2","4","4","1") = "8"
    & skf18("9","7","6","2","4","5","1") = "8"
    & skf18("9","7","6","2","4","6","1") = "8"
    & skf18("9","7","6","2","4","7","1") = "8"
    & skf18("9","7","6","2","4","8","1") = "8"
    & skf18("9","7","6","2","4","9","1") = "8"
    & skf18("9","7","6","2","4","10","1") = "9"
    & skf18("9","7","6","2","5","1","1") = "8"
    & skf18("9","7","6","2","5","2","1") = "8"
    & skf18("9","7","6","2","5","3","1") = "8"
    & skf18("9","7","6","2","5","4","1") = "8"
    & skf18("9","7","6","2","5","5","1") = "8"
    & skf18("9","7","6","2","5","6","1") = "8"
    & skf18("9","7","6","2","5","7","1") = "8"
    & skf18("9","7","6","2","5","8","1") = "8"
    & skf18("9","7","6","2","5","9","1") = "8"
    & skf18("9","7","6","2","5","10","1") = "9"
    & skf18("9","7","6","2","6","1","1") = "8"
    & skf18("9","7","6","2","6","2","1") = "8"
    & skf18("9","7","6","2","6","3","1") = "8"
    & skf18("9","7","6","2","6","4","1") = "8"
    & skf18("9","7","6","2","6","5","1") = "8"
    & skf18("9","7","6","2","6","6","1") = "8"
    & skf18("9","7","6","2","6","7","1") = "8"
    & skf18("9","7","6","2","6","8","1") = "8"
    & skf18("9","7","6","2","6","9","1") = "8"
    & skf18("9","7","6","2","6","10","1") = "9"
    & skf18("9","7","6","2","7","1","1") = "8"
    & skf18("9","7","6","2","7","2","1") = "8"
    & skf18("9","7","6","2","7","3","1") = "8"
    & skf18("9","7","6","2","7","4","1") = "8"
    & skf18("9","7","6","2","7","5","1") = "8"
    & skf18("9","7","6","2","7","6","1") = "8"
    & skf18("9","7","6","2","7","7","1") = "8"
    & skf18("9","7","6","2","7","8","1") = "8"
    & skf18("9","7","6","2","7","9","1") = "8"
    & skf18("9","7","6","2","7","10","1") = "9"
    & skf18("9","7","6","2","8","1","1") = "8"
    & skf18("9","7","6","2","8","2","1") = "8"
    & skf18("9","7","6","2","8","3","1") = "8"
    & skf18("9","7","6","2","8","4","1") = "8"
    & skf18("9","7","6","2","8","5","1") = "8"
    & skf18("9","7","6","2","8","6","1") = "8"
    & skf18("9","7","6","2","8","7","1") = "8"
    & skf18("9","7","6","2","8","8","1") = "8"
    & skf18("9","7","6","2","8","9","1") = "8"
    & skf18("9","7","6","2","8","10","1") = "9"
    & skf18("9","7","6","2","9","1","1") = "8"
    & skf18("9","7","6","2","9","2","1") = "8"
    & skf18("9","7","6","2","9","3","1") = "8"
    & skf18("9","7","6","2","9","4","1") = "8"
    & skf18("9","7","6","2","9","5","1") = "8"
    & skf18("9","7","6","2","9","6","1") = "8"
    & skf18("9","7","6","2","9","7","1") = "8"
    & skf18("9","7","6","2","9","8","1") = "8"
    & skf18("9","7","6","2","9","9","1") = "8"
    & skf18("9","7","6","2","9","10","1") = "9"
    & skf18("9","7","6","2","10","1","1") = "9"
    & skf18("9","7","6","2","10","2","1") = "9"
    & skf18("9","7","6","2","10","3","1") = "9"
    & skf18("9","7","6","2","10","4","1") = "9"
    & skf18("9","7","6","2","10","5","1") = "9"
    & skf18("9","7","6","2","10","6","1") = "9"
    & skf18("9","7","6","2","10","7","1") = "9"
    & skf18("9","7","6","2","10","8","1") = "9"
    & skf18("9","7","6","2","10","9","1") = "9"
    & skf18("9","7","6","2","10","10","1") = "9"
    & skf18("9","7","6","3","1","1","1") = "8"
    & skf18("9","7","6","3","1","2","1") = "8"
    & skf18("9","7","6","3","1","3","1") = "8"
    & skf18("9","7","6","3","1","4","1") = "8"
    & skf18("9","7","6","3","1","5","1") = "8"
    & skf18("9","7","6","3","1","6","1") = "8"
    & skf18("9","7","6","3","1","7","1") = "8"
    & skf18("9","7","6","3","1","8","1") = "8"
    & skf18("9","7","6","3","1","9","1") = "8"
    & skf18("9","7","6","3","1","10","1") = "9"
    & skf18("9","7","6","3","2","1","1") = "8"
    & skf18("9","7","6","3","2","2","1") = "8"
    & skf18("9","7","6","3","2","3","1") = "8"
    & skf18("9","7","6","3","2","4","1") = "8"
    & skf18("9","7","6","3","2","5","1") = "8"
    & skf18("9","7","6","3","2","6","1") = "8"
    & skf18("9","7","6","3","2","7","1") = "8"
    & skf18("9","7","6","3","2","8","1") = "8"
    & skf18("9","7","6","3","2","9","1") = "8"
    & skf18("9","7","6","3","2","10","1") = "9"
    & skf18("9","7","6","3","3","1","1") = "8"
    & skf18("9","7","6","3","3","2","1") = "8"
    & skf18("9","7","6","3","3","3","1") = "8"
    & skf18("9","7","6","3","3","4","1") = "8"
    & skf18("9","7","6","3","3","5","1") = "8"
    & skf18("9","7","6","3","3","6","1") = "8"
    & skf18("9","7","6","3","3","7","1") = "8"
    & skf18("9","7","6","3","3","8","1") = "8"
    & skf18("9","7","6","3","3","9","1") = "8"
    & skf18("9","7","6","3","3","10","1") = "9"
    & skf18("9","7","6","3","4","1","1") = "8"
    & skf18("9","7","6","3","4","2","1") = "8"
    & skf18("9","7","6","3","4","3","1") = "8"
    & skf18("9","7","6","3","4","4","1") = "8"
    & skf18("9","7","6","3","4","5","1") = "8"
    & skf18("9","7","6","3","4","6","1") = "8"
    & skf18("9","7","6","3","4","7","1") = "8"
    & skf18("9","7","6","3","4","8","1") = "8"
    & skf18("9","7","6","3","4","9","1") = "8"
    & skf18("9","7","6","3","4","10","1") = "9"
    & skf18("9","7","6","3","5","1","1") = "8"
    & skf18("9","7","6","3","5","2","1") = "8"
    & skf18("9","7","6","3","5","3","1") = "8"
    & skf18("9","7","6","3","5","4","1") = "8"
    & skf18("9","7","6","3","5","5","1") = "8"
    & skf18("9","7","6","3","5","6","1") = "8"
    & skf18("9","7","6","3","5","7","1") = "8"
    & skf18("9","7","6","3","5","8","1") = "8"
    & skf18("9","7","6","3","5","9","1") = "8"
    & skf18("9","7","6","3","5","10","1") = "9"
    & skf18("9","7","6","3","6","1","1") = "8"
    & skf18("9","7","6","3","6","2","1") = "8"
    & skf18("9","7","6","3","6","3","1") = "8"
    & skf18("9","7","6","3","6","4","1") = "8"
    & skf18("9","7","6","3","6","5","1") = "8"
    & skf18("9","7","6","3","6","6","1") = "8"
    & skf18("9","7","6","3","6","7","1") = "8"
    & skf18("9","7","6","3","6","8","1") = "8"
    & skf18("9","7","6","3","6","9","1") = "8"
    & skf18("9","7","6","3","6","10","1") = "9"
    & skf18("9","7","6","3","7","1","1") = "8"
    & skf18("9","7","6","3","7","2","1") = "8"
    & skf18("9","7","6","3","7","3","1") = "8"
    & skf18("9","7","6","3","7","4","1") = "8"
    & skf18("9","7","6","3","7","5","1") = "8"
    & skf18("9","7","6","3","7","6","1") = "8"
    & skf18("9","7","6","3","7","7","1") = "8"
    & skf18("9","7","6","3","7","8","1") = "8"
    & skf18("9","7","6","3","7","9","1") = "8"
    & skf18("9","7","6","3","7","10","1") = "9"
    & skf18("9","7","6","3","8","1","1") = "8"
    & skf18("9","7","6","3","8","2","1") = "8"
    & skf18("9","7","6","3","8","3","1") = "8"
    & skf18("9","7","6","3","8","4","1") = "8"
    & skf18("9","7","6","3","8","5","1") = "8"
    & skf18("9","7","6","3","8","6","1") = "8"
    & skf18("9","7","6","3","8","7","1") = "8"
    & skf18("9","7","6","3","8","8","1") = "8"
    & skf18("9","7","6","3","8","9","1") = "8"
    & skf18("9","7","6","3","8","10","1") = "9"
    & skf18("9","7","6","3","9","1","1") = "8"
    & skf18("9","7","6","3","9","2","1") = "8"
    & skf18("9","7","6","3","9","3","1") = "8"
    & skf18("9","7","6","3","9","4","1") = "8"
    & skf18("9","7","6","3","9","5","1") = "8"
    & skf18("9","7","6","3","9","6","1") = "8"
    & skf18("9","7","6","3","9","7","1") = "8"
    & skf18("9","7","6","3","9","8","1") = "8"
    & skf18("9","7","6","3","9","9","1") = "8"
    & skf18("9","7","6","3","9","10","1") = "9"
    & skf18("9","7","6","3","10","1","1") = "9"
    & skf18("9","7","6","3","10","2","1") = "9"
    & skf18("9","7","6","3","10","3","1") = "9"
    & skf18("9","7","6","3","10","4","1") = "9"
    & skf18("9","7","6","3","10","5","1") = "9"
    & skf18("9","7","6","3","10","6","1") = "9"
    & skf18("9","7","6","3","10","7","1") = "9"
    & skf18("9","7","6","3","10","8","1") = "9"
    & skf18("9","7","6","3","10","9","1") = "9"
    & skf18("9","7","6","3","10","10","1") = "9"
    & skf18("9","7","6","4","1","1","1") = "8"
    & skf18("9","7","6","4","1","2","1") = "8"
    & skf18("9","7","6","4","1","3","1") = "8"
    & skf18("9","7","6","4","1","4","1") = "8"
    & skf18("9","7","6","4","1","5","1") = "8"
    & skf18("9","7","6","4","1","6","1") = "8"
    & skf18("9","7","6","4","1","7","1") = "8"
    & skf18("9","7","6","4","1","8","1") = "8"
    & skf18("9","7","6","4","1","9","1") = "8"
    & skf18("9","7","6","4","1","10","1") = "9"
    & skf18("9","7","6","4","2","1","1") = "8"
    & skf18("9","7","6","4","2","2","1") = "8"
    & skf18("9","7","6","4","2","3","1") = "8"
    & skf18("9","7","6","4","2","4","1") = "8"
    & skf18("9","7","6","4","2","5","1") = "8"
    & skf18("9","7","6","4","2","6","1") = "8"
    & skf18("9","7","6","4","2","7","1") = "8"
    & skf18("9","7","6","4","2","8","1") = "8"
    & skf18("9","7","6","4","2","9","1") = "8"
    & skf18("9","7","6","4","2","10","1") = "9"
    & skf18("9","7","6","4","3","1","1") = "8"
    & skf18("9","7","6","4","3","2","1") = "8"
    & skf18("9","7","6","4","3","3","1") = "8"
    & skf18("9","7","6","4","3","4","1") = "8"
    & skf18("9","7","6","4","3","5","1") = "8"
    & skf18("9","7","6","4","3","6","1") = "8"
    & skf18("9","7","6","4","3","7","1") = "8"
    & skf18("9","7","6","4","3","8","1") = "8"
    & skf18("9","7","6","4","3","9","1") = "8"
    & skf18("9","7","6","4","3","10","1") = "9"
    & skf18("9","7","6","4","4","1","1") = "8"
    & skf18("9","7","6","4","4","2","1") = "8"
    & skf18("9","7","6","4","4","3","1") = "8"
    & skf18("9","7","6","4","4","4","1") = "8"
    & skf18("9","7","6","4","4","5","1") = "8"
    & skf18("9","7","6","4","4","6","1") = "8"
    & skf18("9","7","6","4","4","7","1") = "8"
    & skf18("9","7","6","4","4","8","1") = "8"
    & skf18("9","7","6","4","4","9","1") = "8"
    & skf18("9","7","6","4","4","10","1") = "9"
    & skf18("9","7","6","4","5","1","1") = "8"
    & skf18("9","7","6","4","5","2","1") = "8"
    & skf18("9","7","6","4","5","3","1") = "8"
    & skf18("9","7","6","4","5","4","1") = "8"
    & skf18("9","7","6","4","5","5","1") = "8"
    & skf18("9","7","6","4","5","6","1") = "8"
    & skf18("9","7","6","4","5","7","1") = "8"
    & skf18("9","7","6","4","5","8","1") = "8"
    & skf18("9","7","6","4","5","9","1") = "8"
    & skf18("9","7","6","4","5","10","1") = "9"
    & skf18("9","7","6","4","6","1","1") = "8"
    & skf18("9","7","6","4","6","2","1") = "8"
    & skf18("9","7","6","4","6","3","1") = "8"
    & skf18("9","7","6","4","6","4","1") = "8"
    & skf18("9","7","6","4","6","5","1") = "8"
    & skf18("9","7","6","4","6","6","1") = "8"
    & skf18("9","7","6","4","6","7","1") = "8"
    & skf18("9","7","6","4","6","8","1") = "8"
    & skf18("9","7","6","4","6","9","1") = "8"
    & skf18("9","7","6","4","6","10","1") = "9"
    & skf18("9","7","6","4","7","1","1") = "8"
    & skf18("9","7","6","4","7","2","1") = "8"
    & skf18("9","7","6","4","7","3","1") = "8"
    & skf18("9","7","6","4","7","4","1") = "8"
    & skf18("9","7","6","4","7","5","1") = "8"
    & skf18("9","7","6","4","7","6","1") = "8"
    & skf18("9","7","6","4","7","7","1") = "8"
    & skf18("9","7","6","4","7","8","1") = "8"
    & skf18("9","7","6","4","7","9","1") = "8"
    & skf18("9","7","6","4","7","10","1") = "9"
    & skf18("9","7","6","4","8","1","1") = "8"
    & skf18("9","7","6","4","8","2","1") = "8"
    & skf18("9","7","6","4","8","3","1") = "8"
    & skf18("9","7","6","4","8","4","1") = "8"
    & skf18("9","7","6","4","8","5","1") = "8"
    & skf18("9","7","6","4","8","6","1") = "8"
    & skf18("9","7","6","4","8","7","1") = "8"
    & skf18("9","7","6","4","8","8","1") = "8"
    & skf18("9","7","6","4","8","9","1") = "8"
    & skf18("9","7","6","4","8","10","1") = "9"
    & skf18("9","7","6","4","9","1","1") = "8"
    & skf18("9","7","6","4","9","2","1") = "8"
    & skf18("9","7","6","4","9","3","1") = "8"
    & skf18("9","7","6","4","9","4","1") = "8"
    & skf18("9","7","6","4","9","5","1") = "8"
    & skf18("9","7","6","4","9","6","1") = "8"
    & skf18("9","7","6","4","9","7","1") = "8"
    & skf18("9","7","6","4","9","8","1") = "8"
    & skf18("9","7","6","4","9","9","1") = "8"
    & skf18("9","7","6","4","9","10","1") = "9"
    & skf18("9","7","6","4","10","1","1") = "9"
    & skf18("9","7","6","4","10","2","1") = "9"
    & skf18("9","7","6","4","10","3","1") = "9"
    & skf18("9","7","6","4","10","4","1") = "9"
    & skf18("9","7","6","4","10","5","1") = "9"
    & skf18("9","7","6","4","10","6","1") = "9"
    & skf18("9","7","6","4","10","7","1") = "9"
    & skf18("9","7","6","4","10","8","1") = "9"
    & skf18("9","7","6","4","10","9","1") = "9"
    & skf18("9","7","6","4","10","10","1") = "9"
    & skf18("9","7","6","5","1","1","1") = "8"
    & skf18("9","7","6","5","1","2","1") = "8"
    & skf18("9","7","6","5","1","3","1") = "8"
    & skf18("9","7","6","5","1","4","1") = "8"
    & skf18("9","7","6","5","1","5","1") = "8"
    & skf18("9","7","6","5","1","6","1") = "8"
    & skf18("9","7","6","5","1","7","1") = "8"
    & skf18("9","7","6","5","1","8","1") = "8"
    & skf18("9","7","6","5","1","9","1") = "8"
    & skf18("9","7","6","5","1","10","1") = "9"
    & skf18("9","7","6","5","2","1","1") = "8"
    & skf18("9","7","6","5","2","2","1") = "8"
    & skf18("9","7","6","5","2","3","1") = "8"
    & skf18("9","7","6","5","2","4","1") = "8"
    & skf18("9","7","6","5","2","5","1") = "8"
    & skf18("9","7","6","5","2","6","1") = "8"
    & skf18("9","7","6","5","2","7","1") = "8"
    & skf18("9","7","6","5","2","8","1") = "8"
    & skf18("9","7","6","5","2","9","1") = "8"
    & skf18("9","7","6","5","2","10","1") = "9"
    & skf18("9","7","6","5","3","1","1") = "8"
    & skf18("9","7","6","5","3","2","1") = "8"
    & skf18("9","7","6","5","3","3","1") = "8"
    & skf18("9","7","6","5","3","4","1") = "8"
    & skf18("9","7","6","5","3","5","1") = "8"
    & skf18("9","7","6","5","3","6","1") = "8"
    & skf18("9","7","6","5","3","7","1") = "8"
    & skf18("9","7","6","5","3","8","1") = "8"
    & skf18("9","7","6","5","3","9","1") = "8"
    & skf18("9","7","6","5","3","10","1") = "9"
    & skf18("9","7","6","5","4","1","1") = "8"
    & skf18("9","7","6","5","4","2","1") = "8"
    & skf18("9","7","6","5","4","3","1") = "8"
    & skf18("9","7","6","5","4","4","1") = "8"
    & skf18("9","7","6","5","4","5","1") = "8"
    & skf18("9","7","6","5","4","6","1") = "8"
    & skf18("9","7","6","5","4","7","1") = "8"
    & skf18("9","7","6","5","4","8","1") = "8"
    & skf18("9","7","6","5","4","9","1") = "8"
    & skf18("9","7","6","5","4","10","1") = "9"
    & skf18("9","7","6","5","5","1","1") = "8"
    & skf18("9","7","6","5","5","2","1") = "8"
    & skf18("9","7","6","5","5","3","1") = "8"
    & skf18("9","7","6","5","5","4","1") = "8"
    & skf18("9","7","6","5","5","5","1") = "8"
    & skf18("9","7","6","5","5","6","1") = "8"
    & skf18("9","7","6","5","5","7","1") = "8"
    & skf18("9","7","6","5","5","8","1") = "8"
    & skf18("9","7","6","5","5","9","1") = "8"
    & skf18("9","7","6","5","5","10","1") = "9"
    & skf18("9","7","6","5","6","1","1") = "8"
    & skf18("9","7","6","5","6","2","1") = "8"
    & skf18("9","7","6","5","6","3","1") = "8"
    & skf18("9","7","6","5","6","4","1") = "8"
    & skf18("9","7","6","5","6","5","1") = "8"
    & skf18("9","7","6","5","6","6","1") = "8"
    & skf18("9","7","6","5","6","7","1") = "8"
    & skf18("9","7","6","5","6","8","1") = "8"
    & skf18("9","7","6","5","6","9","1") = "8"
    & skf18("9","7","6","5","6","10","1") = "9"
    & skf18("9","7","6","5","7","1","1") = "8"
    & skf18("9","7","6","5","7","2","1") = "8"
    & skf18("9","7","6","5","7","3","1") = "8"
    & skf18("9","7","6","5","7","4","1") = "8"
    & skf18("9","7","6","5","7","5","1") = "8"
    & skf18("9","7","6","5","7","6","1") = "8"
    & skf18("9","7","6","5","7","7","1") = "8"
    & skf18("9","7","6","5","7","8","1") = "8"
    & skf18("9","7","6","5","7","9","1") = "8"
    & skf18("9","7","6","5","7","10","1") = "9"
    & skf18("9","7","6","5","8","1","1") = "8"
    & skf18("9","7","6","5","8","2","1") = "8"
    & skf18("9","7","6","5","8","3","1") = "8"
    & skf18("9","7","6","5","8","4","1") = "8"
    & skf18("9","7","6","5","8","5","1") = "8"
    & skf18("9","7","6","5","8","6","1") = "8"
    & skf18("9","7","6","5","8","7","1") = "8"
    & skf18("9","7","6","5","8","8","1") = "8"
    & skf18("9","7","6","5","8","9","1") = "8"
    & skf18("9","7","6","5","8","10","1") = "9"
    & skf18("9","7","6","5","9","1","1") = "8"
    & skf18("9","7","6","5","9","2","1") = "8"
    & skf18("9","7","6","5","9","3","1") = "8"
    & skf18("9","7","6","5","9","4","1") = "8"
    & skf18("9","7","6","5","9","5","1") = "8"
    & skf18("9","7","6","5","9","6","1") = "8"
    & skf18("9","7","6","5","9","7","1") = "8"
    & skf18("9","7","6","5","9","8","1") = "8"
    & skf18("9","7","6","5","9","9","1") = "8"
    & skf18("9","7","6","5","9","10","1") = "9"
    & skf18("9","7","6","5","10","1","1") = "9"
    & skf18("9","7","6","5","10","2","1") = "9"
    & skf18("9","7","6","5","10","3","1") = "9"
    & skf18("9","7","6","5","10","4","1") = "9"
    & skf18("9","7","6","5","10","5","1") = "9"
    & skf18("9","7","6","5","10","6","1") = "9"
    & skf18("9","7","6","5","10","7","1") = "9"
    & skf18("9","7","6","5","10","8","1") = "9"
    & skf18("9","7","6","5","10","9","1") = "9"
    & skf18("9","7","6","5","10","10","1") = "9"
    & skf18("9","7","6","6","1","1","1") = "8"
    & skf18("9","7","6","6","1","2","1") = "8"
    & skf18("9","7","6","6","1","3","1") = "8"
    & skf18("9","7","6","6","1","4","1") = "8"
    & skf18("9","7","6","6","1","5","1") = "8"
    & skf18("9","7","6","6","1","6","1") = "8"
    & skf18("9","7","6","6","1","7","1") = "8"
    & skf18("9","7","6","6","1","8","1") = "8"
    & skf18("9","7","6","6","1","9","1") = "8"
    & skf18("9","7","6","6","1","10","1") = "9"
    & skf18("9","7","6","6","2","1","1") = "8"
    & skf18("9","7","6","6","2","2","1") = "8"
    & skf18("9","7","6","6","2","3","1") = "8"
    & skf18("9","7","6","6","2","4","1") = "8"
    & skf18("9","7","6","6","2","5","1") = "8"
    & skf18("9","7","6","6","2","6","1") = "8"
    & skf18("9","7","6","6","2","7","1") = "8"
    & skf18("9","7","6","6","2","8","1") = "8"
    & skf18("9","7","6","6","2","9","1") = "8"
    & skf18("9","7","6","6","2","10","1") = "9"
    & skf18("9","7","6","6","3","1","1") = "8"
    & skf18("9","7","6","6","3","2","1") = "8"
    & skf18("9","7","6","6","3","3","1") = "8"
    & skf18("9","7","6","6","3","4","1") = "8"
    & skf18("9","7","6","6","3","5","1") = "8"
    & skf18("9","7","6","6","3","6","1") = "8"
    & skf18("9","7","6","6","3","7","1") = "8"
    & skf18("9","7","6","6","3","8","1") = "8"
    & skf18("9","7","6","6","3","9","1") = "8"
    & skf18("9","7","6","6","3","10","1") = "9"
    & skf18("9","7","6","6","4","1","1") = "8"
    & skf18("9","7","6","6","4","2","1") = "8"
    & skf18("9","7","6","6","4","3","1") = "8"
    & skf18("9","7","6","6","4","4","1") = "8"
    & skf18("9","7","6","6","4","5","1") = "8"
    & skf18("9","7","6","6","4","6","1") = "8"
    & skf18("9","7","6","6","4","7","1") = "8"
    & skf18("9","7","6","6","4","8","1") = "8"
    & skf18("9","7","6","6","4","9","1") = "8"
    & skf18("9","7","6","6","4","10","1") = "9"
    & skf18("9","7","6","6","5","1","1") = "8"
    & skf18("9","7","6","6","5","2","1") = "8"
    & skf18("9","7","6","6","5","3","1") = "8"
    & skf18("9","7","6","6","5","4","1") = "8"
    & skf18("9","7","6","6","5","5","1") = "8"
    & skf18("9","7","6","6","5","6","1") = "8"
    & skf18("9","7","6","6","5","7","1") = "8"
    & skf18("9","7","6","6","5","8","1") = "8"
    & skf18("9","7","6","6","5","9","1") = "8"
    & skf18("9","7","6","6","5","10","1") = "9"
    & skf18("9","7","6","6","6","1","1") = "8"
    & skf18("9","7","6","6","6","2","1") = "8"
    & skf18("9","7","6","6","6","3","1") = "8"
    & skf18("9","7","6","6","6","4","1") = "8"
    & skf18("9","7","6","6","6","5","1") = "8"
    & skf18("9","7","6","6","6","6","1") = "8"
    & skf18("9","7","6","6","6","7","1") = "8"
    & skf18("9","7","6","6","6","8","1") = "8"
    & skf18("9","7","6","6","6","9","1") = "8"
    & skf18("9","7","6","6","6","10","1") = "9"
    & skf18("9","7","6","6","7","1","1") = "8"
    & skf18("9","7","6","6","7","2","1") = "8"
    & skf18("9","7","6","6","7","3","1") = "8"
    & skf18("9","7","6","6","7","4","1") = "8"
    & skf18("9","7","6","6","7","5","1") = "8"
    & skf18("9","7","6","6","7","6","1") = "8"
    & skf18("9","7","6","6","7","7","1") = "8"
    & skf18("9","7","6","6","7","8","1") = "8"
    & skf18("9","7","6","6","7","9","1") = "8"
    & skf18("9","7","6","6","7","10","1") = "9"
    & skf18("9","7","6","6","8","1","1") = "8"
    & skf18("9","7","6","6","8","2","1") = "8"
    & skf18("9","7","6","6","8","3","1") = "8"
    & skf18("9","7","6","6","8","4","1") = "8"
    & skf18("9","7","6","6","8","5","1") = "8"
    & skf18("9","7","6","6","8","6","1") = "8"
    & skf18("9","7","6","6","8","7","1") = "8"
    & skf18("9","7","6","6","8","8","1") = "8"
    & skf18("9","7","6","6","8","9","1") = "8"
    & skf18("9","7","6","6","8","10","1") = "9"
    & skf18("9","7","6","6","9","1","1") = "8"
    & skf18("9","7","6","6","9","2","1") = "8"
    & skf18("9","7","6","6","9","3","1") = "8"
    & skf18("9","7","6","6","9","4","1") = "8"
    & skf18("9","7","6","6","9","5","1") = "8"
    & skf18("9","7","6","6","9","6","1") = "8"
    & skf18("9","7","6","6","9","7","1") = "8"
    & skf18("9","7","6","6","9","8","1") = "8"
    & skf18("9","7","6","6","9","9","1") = "8"
    & skf18("9","7","6","6","9","10","1") = "9"
    & skf18("9","7","6","6","10","1","1") = "9"
    & skf18("9","7","6","6","10","2","1") = "9"
    & skf18("9","7","6","6","10","3","1") = "9"
    & skf18("9","7","6","6","10","4","1") = "9"
    & skf18("9","7","6","6","10","5","1") = "9"
    & skf18("9","7","6","6","10","6","1") = "9"
    & skf18("9","7","6","6","10","7","1") = "9"
    & skf18("9","7","6","6","10","8","1") = "9"
    & skf18("9","7","6","6","10","9","1") = "9"
    & skf18("9","7","6","6","10","10","1") = "9"
    & skf18("9","7","6","7","1","1","1") = "8"
    & skf18("9","7","6","7","1","2","1") = "8"
    & skf18("9","7","6","7","1","3","1") = "8"
    & skf18("9","7","6","7","1","4","1") = "8"
    & skf18("9","7","6","7","1","5","1") = "8"
    & skf18("9","7","6","7","1","6","1") = "8"
    & skf18("9","7","6","7","1","7","1") = "8"
    & skf18("9","7","6","7","1","8","1") = "8"
    & skf18("9","7","6","7","1","9","1") = "8"
    & skf18("9","7","6","7","1","10","1") = "9"
    & skf18("9","7","6","7","2","1","1") = "8"
    & skf18("9","7","6","7","2","2","1") = "8"
    & skf18("9","7","6","7","2","3","1") = "8"
    & skf18("9","7","6","7","2","4","1") = "8"
    & skf18("9","7","6","7","2","5","1") = "8"
    & skf18("9","7","6","7","2","6","1") = "8"
    & skf18("9","7","6","7","2","7","1") = "8"
    & skf18("9","7","6","7","2","8","1") = "8"
    & skf18("9","7","6","7","2","9","1") = "8"
    & skf18("9","7","6","7","2","10","1") = "9"
    & skf18("9","7","6","7","3","1","1") = "8"
    & skf18("9","7","6","7","3","2","1") = "8"
    & skf18("9","7","6","7","3","3","1") = "8"
    & skf18("9","7","6","7","3","4","1") = "8"
    & skf18("9","7","6","7","3","5","1") = "8"
    & skf18("9","7","6","7","3","6","1") = "8"
    & skf18("9","7","6","7","3","7","1") = "8"
    & skf18("9","7","6","7","3","8","1") = "8"
    & skf18("9","7","6","7","3","9","1") = "8"
    & skf18("9","7","6","7","3","10","1") = "9"
    & skf18("9","7","6","7","4","1","1") = "8"
    & skf18("9","7","6","7","4","2","1") = "8"
    & skf18("9","7","6","7","4","3","1") = "8"
    & skf18("9","7","6","7","4","4","1") = "8"
    & skf18("9","7","6","7","4","5","1") = "8"
    & skf18("9","7","6","7","4","6","1") = "8"
    & skf18("9","7","6","7","4","7","1") = "8"
    & skf18("9","7","6","7","4","8","1") = "8"
    & skf18("9","7","6","7","4","9","1") = "8"
    & skf18("9","7","6","7","4","10","1") = "9"
    & skf18("9","7","6","7","5","1","1") = "8"
    & skf18("9","7","6","7","5","2","1") = "8"
    & skf18("9","7","6","7","5","3","1") = "8"
    & skf18("9","7","6","7","5","4","1") = "8"
    & skf18("9","7","6","7","5","5","1") = "8"
    & skf18("9","7","6","7","5","6","1") = "8"
    & skf18("9","7","6","7","5","7","1") = "8"
    & skf18("9","7","6","7","5","8","1") = "8"
    & skf18("9","7","6","7","5","9","1") = "8"
    & skf18("9","7","6","7","5","10","1") = "9"
    & skf18("9","7","6","7","6","1","1") = "8"
    & skf18("9","7","6","7","6","2","1") = "8"
    & skf18("9","7","6","7","6","3","1") = "8"
    & skf18("9","7","6","7","6","4","1") = "8"
    & skf18("9","7","6","7","6","5","1") = "8"
    & skf18("9","7","6","7","6","6","1") = "8"
    & skf18("9","7","6","7","6","7","1") = "8"
    & skf18("9","7","6","7","6","8","1") = "8"
    & skf18("9","7","6","7","6","9","1") = "8"
    & skf18("9","7","6","7","6","10","1") = "9"
    & skf18("9","7","6","7","7","1","1") = "8"
    & skf18("9","7","6","7","7","2","1") = "8"
    & skf18("9","7","6","7","7","3","1") = "8"
    & skf18("9","7","6","7","7","4","1") = "8"
    & skf18("9","7","6","7","7","5","1") = "8"
    & skf18("9","7","6","7","7","6","1") = "8"
    & skf18("9","7","6","7","7","7","1") = "8"
    & skf18("9","7","6","7","7","8","1") = "8"
    & skf18("9","7","6","7","7","9","1") = "8"
    & skf18("9","7","6","7","7","10","1") = "9"
    & skf18("9","7","6","7","8","1","1") = "8"
    & skf18("9","7","6","7","8","2","1") = "8"
    & skf18("9","7","6","7","8","3","1") = "8"
    & skf18("9","7","6","7","8","4","1") = "8"
    & skf18("9","7","6","7","8","5","1") = "8"
    & skf18("9","7","6","7","8","6","1") = "8"
    & skf18("9","7","6","7","8","7","1") = "8"
    & skf18("9","7","6","7","8","8","1") = "8"
    & skf18("9","7","6","7","8","9","1") = "8"
    & skf18("9","7","6","7","8","10","1") = "9"
    & skf18("9","7","6","7","9","1","1") = "8"
    & skf18("9","7","6","7","9","2","1") = "8"
    & skf18("9","7","6","7","9","3","1") = "8"
    & skf18("9","7","6","7","9","4","1") = "8"
    & skf18("9","7","6","7","9","5","1") = "8"
    & skf18("9","7","6","7","9","6","1") = "8"
    & skf18("9","7","6","7","9","7","1") = "8"
    & skf18("9","7","6","7","9","8","1") = "8"
    & skf18("9","7","6","7","9","9","1") = "8"
    & skf18("9","7","6","7","9","10","1") = "9"
    & skf18("9","7","6","7","10","1","1") = "9"
    & skf18("9","7","6","7","10","2","1") = "9"
    & skf18("9","7","6","7","10","3","1") = "9"
    & skf18("9","7","6","7","10","4","1") = "9"
    & skf18("9","7","6","7","10","5","1") = "9"
    & skf18("9","7","6","7","10","6","1") = "9"
    & skf18("9","7","6","7","10","7","1") = "9"
    & skf18("9","7","6","7","10","8","1") = "9"
    & skf18("9","7","6","7","10","9","1") = "9"
    & skf18("9","7","6","7","10","10","1") = "9"
    & skf18("9","7","6","8","1","1","1") = "8"
    & skf18("9","7","6","8","1","2","1") = "8"
    & skf18("9","7","6","8","1","3","1") = "8"
    & skf18("9","7","6","8","1","4","1") = "8"
    & skf18("9","7","6","8","1","5","1") = "8"
    & skf18("9","7","6","8","1","6","1") = "8"
    & skf18("9","7","6","8","1","7","1") = "8"
    & skf18("9","7","6","8","1","8","1") = "8"
    & skf18("9","7","6","8","1","9","1") = "8"
    & skf18("9","7","6","8","1","10","1") = "9"
    & skf18("9","7","6","8","2","1","1") = "8"
    & skf18("9","7","6","8","2","2","1") = "8"
    & skf18("9","7","6","8","2","3","1") = "8"
    & skf18("9","7","6","8","2","4","1") = "8"
    & skf18("9","7","6","8","2","5","1") = "8"
    & skf18("9","7","6","8","2","6","1") = "8"
    & skf18("9","7","6","8","2","7","1") = "8"
    & skf18("9","7","6","8","2","8","1") = "8"
    & skf18("9","7","6","8","2","9","1") = "8"
    & skf18("9","7","6","8","2","10","1") = "9"
    & skf18("9","7","6","8","3","1","1") = "8"
    & skf18("9","7","6","8","3","2","1") = "8"
    & skf18("9","7","6","8","3","3","1") = "8"
    & skf18("9","7","6","8","3","4","1") = "8"
    & skf18("9","7","6","8","3","5","1") = "8"
    & skf18("9","7","6","8","3","6","1") = "8"
    & skf18("9","7","6","8","3","7","1") = "8"
    & skf18("9","7","6","8","3","8","1") = "8"
    & skf18("9","7","6","8","3","9","1") = "8"
    & skf18("9","7","6","8","3","10","1") = "9"
    & skf18("9","7","6","8","4","1","1") = "8"
    & skf18("9","7","6","8","4","2","1") = "8"
    & skf18("9","7","6","8","4","3","1") = "8"
    & skf18("9","7","6","8","4","4","1") = "8"
    & skf18("9","7","6","8","4","5","1") = "8"
    & skf18("9","7","6","8","4","6","1") = "8"
    & skf18("9","7","6","8","4","7","1") = "8"
    & skf18("9","7","6","8","4","8","1") = "8"
    & skf18("9","7","6","8","4","9","1") = "8"
    & skf18("9","7","6","8","4","10","1") = "9"
    & skf18("9","7","6","8","5","1","1") = "8"
    & skf18("9","7","6","8","5","2","1") = "8"
    & skf18("9","7","6","8","5","3","1") = "8"
    & skf18("9","7","6","8","5","4","1") = "8"
    & skf18("9","7","6","8","5","5","1") = "8"
    & skf18("9","7","6","8","5","6","1") = "8"
    & skf18("9","7","6","8","5","7","1") = "8"
    & skf18("9","7","6","8","5","8","1") = "8"
    & skf18("9","7","6","8","5","9","1") = "8"
    & skf18("9","7","6","8","5","10","1") = "9"
    & skf18("9","7","6","8","6","1","1") = "8"
    & skf18("9","7","6","8","6","2","1") = "8"
    & skf18("9","7","6","8","6","3","1") = "8"
    & skf18("9","7","6","8","6","4","1") = "8"
    & skf18("9","7","6","8","6","5","1") = "8"
    & skf18("9","7","6","8","6","6","1") = "8"
    & skf18("9","7","6","8","6","7","1") = "8"
    & skf18("9","7","6","8","6","8","1") = "8"
    & skf18("9","7","6","8","6","9","1") = "8"
    & skf18("9","7","6","8","6","10","1") = "9"
    & skf18("9","7","6","8","7","1","1") = "8"
    & skf18("9","7","6","8","7","2","1") = "8"
    & skf18("9","7","6","8","7","3","1") = "8"
    & skf18("9","7","6","8","7","4","1") = "8"
    & skf18("9","7","6","8","7","5","1") = "8"
    & skf18("9","7","6","8","7","6","1") = "8"
    & skf18("9","7","6","8","7","7","1") = "8"
    & skf18("9","7","6","8","7","8","1") = "8"
    & skf18("9","7","6","8","7","9","1") = "8"
    & skf18("9","7","6","8","7","10","1") = "9"
    & skf18("9","7","6","8","8","1","1") = "8"
    & skf18("9","7","6","8","8","2","1") = "8"
    & skf18("9","7","6","8","8","3","1") = "8"
    & skf18("9","7","6","8","8","4","1") = "8"
    & skf18("9","7","6","8","8","5","1") = "8"
    & skf18("9","7","6","8","8","6","1") = "8"
    & skf18("9","7","6","8","8","7","1") = "8"
    & skf18("9","7","6","8","8","8","1") = "8"
    & skf18("9","7","6","8","8","9","1") = "8"
    & skf18("9","7","6","8","8","10","1") = "9"
    & skf18("9","7","6","8","9","1","1") = "8"
    & skf18("9","7","6","8","9","2","1") = "8"
    & skf18("9","7","6","8","9","3","1") = "8"
    & skf18("9","7","6","8","9","4","1") = "8"
    & skf18("9","7","6","8","9","5","1") = "8"
    & skf18("9","7","6","8","9","6","1") = "8"
    & skf18("9","7","6","8","9","7","1") = "8"
    & skf18("9","7","6","8","9","8","1") = "8"
    & skf18("9","7","6","8","9","9","1") = "8"
    & skf18("9","7","6","8","9","10","1") = "9"
    & skf18("9","7","6","8","10","1","1") = "9"
    & skf18("9","7","6","8","10","2","1") = "9"
    & skf18("9","7","6","8","10","3","1") = "9"
    & skf18("9","7","6","8","10","4","1") = "9"
    & skf18("9","7","6","8","10","5","1") = "9"
    & skf18("9","7","6","8","10","6","1") = "9"
    & skf18("9","7","6","8","10","7","1") = "9"
    & skf18("9","7","6","8","10","8","1") = "9"
    & skf18("9","7","6","8","10","9","1") = "9"
    & skf18("9","7","6","8","10","10","1") = "9"
    & skf18("9","7","6","9","1","1","1") = "8"
    & skf18("9","7","6","9","1","2","1") = "8"
    & skf18("9","7","6","9","1","3","1") = "8"
    & skf18("9","7","6","9","1","4","1") = "8"
    & skf18("9","7","6","9","1","5","1") = "8"
    & skf18("9","7","6","9","1","6","1") = "8"
    & skf18("9","7","6","9","1","7","1") = "8"
    & skf18("9","7","6","9","1","8","1") = "8"
    & skf18("9","7","6","9","1","9","1") = "8"
    & skf18("9","7","6","9","1","10","1") = "9"
    & skf18("9","7","6","9","2","1","1") = "8"
    & skf18("9","7","6","9","2","2","1") = "8"
    & skf18("9","7","6","9","2","3","1") = "8"
    & skf18("9","7","6","9","2","4","1") = "8"
    & skf18("9","7","6","9","2","5","1") = "8"
    & skf18("9","7","6","9","2","6","1") = "8"
    & skf18("9","7","6","9","2","7","1") = "8"
    & skf18("9","7","6","9","2","8","1") = "8"
    & skf18("9","7","6","9","2","9","1") = "8"
    & skf18("9","7","6","9","2","10","1") = "9"
    & skf18("9","7","6","9","3","1","1") = "8"
    & skf18("9","7","6","9","3","2","1") = "8"
    & skf18("9","7","6","9","3","3","1") = "8"
    & skf18("9","7","6","9","3","4","1") = "8"
    & skf18("9","7","6","9","3","5","1") = "8"
    & skf18("9","7","6","9","3","6","1") = "8"
    & skf18("9","7","6","9","3","7","1") = "8"
    & skf18("9","7","6","9","3","8","1") = "8"
    & skf18("9","7","6","9","3","9","1") = "8"
    & skf18("9","7","6","9","3","10","1") = "9"
    & skf18("9","7","6","9","4","1","1") = "8"
    & skf18("9","7","6","9","4","2","1") = "8"
    & skf18("9","7","6","9","4","3","1") = "8"
    & skf18("9","7","6","9","4","4","1") = "8"
    & skf18("9","7","6","9","4","5","1") = "8"
    & skf18("9","7","6","9","4","6","1") = "8"
    & skf18("9","7","6","9","4","7","1") = "8"
    & skf18("9","7","6","9","4","8","1") = "8"
    & skf18("9","7","6","9","4","9","1") = "8"
    & skf18("9","7","6","9","4","10","1") = "9"
    & skf18("9","7","6","9","5","1","1") = "8"
    & skf18("9","7","6","9","5","2","1") = "8"
    & skf18("9","7","6","9","5","3","1") = "8"
    & skf18("9","7","6","9","5","4","1") = "8"
    & skf18("9","7","6","9","5","5","1") = "8"
    & skf18("9","7","6","9","5","6","1") = "8"
    & skf18("9","7","6","9","5","7","1") = "8"
    & skf18("9","7","6","9","5","8","1") = "8"
    & skf18("9","7","6","9","5","9","1") = "8"
    & skf18("9","7","6","9","5","10","1") = "9"
    & skf18("9","7","6","9","6","1","1") = "8"
    & skf18("9","7","6","9","6","2","1") = "8"
    & skf18("9","7","6","9","6","3","1") = "8"
    & skf18("9","7","6","9","6","4","1") = "8"
    & skf18("9","7","6","9","6","5","1") = "8"
    & skf18("9","7","6","9","6","6","1") = "8"
    & skf18("9","7","6","9","6","7","1") = "8"
    & skf18("9","7","6","9","6","8","1") = "8"
    & skf18("9","7","6","9","6","9","1") = "8"
    & skf18("9","7","6","9","6","10","1") = "9"
    & skf18("9","7","6","9","7","1","1") = "8"
    & skf18("9","7","6","9","7","2","1") = "8"
    & skf18("9","7","6","9","7","3","1") = "8"
    & skf18("9","7","6","9","7","4","1") = "8"
    & skf18("9","7","6","9","7","5","1") = "8"
    & skf18("9","7","6","9","7","6","1") = "8"
    & skf18("9","7","6","9","7","7","1") = "8"
    & skf18("9","7","6","9","7","8","1") = "8"
    & skf18("9","7","6","9","7","9","1") = "8"
    & skf18("9","7","6","9","7","10","1") = "9"
    & skf18("9","7","6","9","8","1","1") = "8"
    & skf18("9","7","6","9","8","2","1") = "8"
    & skf18("9","7","6","9","8","3","1") = "8"
    & skf18("9","7","6","9","8","4","1") = "8"
    & skf18("9","7","6","9","8","5","1") = "8"
    & skf18("9","7","6","9","8","6","1") = "8"
    & skf18("9","7","6","9","8","7","1") = "8"
    & skf18("9","7","6","9","8","8","1") = "8"
    & skf18("9","7","6","9","8","9","1") = "8"
    & skf18("9","7","6","9","8","10","1") = "9"
    & skf18("9","7","6","9","9","1","1") = "8"
    & skf18("9","7","6","9","9","2","1") = "8"
    & skf18("9","7","6","9","9","3","1") = "8"
    & skf18("9","7","6","9","9","4","1") = "8"
    & skf18("9","7","6","9","9","5","1") = "8"
    & skf18("9","7","6","9","9","6","1") = "8"
    & skf18("9","7","6","9","9","7","1") = "8"
    & skf18("9","7","6","9","9","8","1") = "8"
    & skf18("9","7","6","9","9","9","1") = "8"
    & skf18("9","7","6","9","9","10","1") = "9"
    & skf18("9","7","6","9","10","1","1") = "9"
    & skf18("9","7","6","9","10","2","1") = "9"
    & skf18("9","7","6","9","10","3","1") = "9"
    & skf18("9","7","6","9","10","4","1") = "9"
    & skf18("9","7","6","9","10","5","1") = "9"
    & skf18("9","7","6","9","10","6","1") = "9"
    & skf18("9","7","6","9","10","7","1") = "9"
    & skf18("9","7","6","9","10","8","1") = "9"
    & skf18("9","7","6","9","10","9","1") = "9"
    & skf18("9","7","6","9","10","10","1") = "9"
    & skf18("9","7","6","10","1","1","1") = "9"
    & skf18("9","7","6","10","1","2","1") = "9"
    & skf18("9","7","6","10","1","3","1") = "9"
    & skf18("9","7","6","10","1","4","1") = "9"
    & skf18("9","7","6","10","1","5","1") = "9"
    & skf18("9","7","6","10","1","6","1") = "9"
    & skf18("9","7","6","10","1","7","1") = "9"
    & skf18("9","7","6","10","1","8","1") = "9"
    & skf18("9","7","6","10","1","9","1") = "9"
    & skf18("9","7","6","10","1","10","1") = "9"
    & skf18("9","7","6","10","2","1","1") = "9"
    & skf18("9","7","6","10","2","2","1") = "9"
    & skf18("9","7","6","10","2","3","1") = "9"
    & skf18("9","7","6","10","2","4","1") = "9"
    & skf18("9","7","6","10","2","5","1") = "9"
    & skf18("9","7","6","10","2","6","1") = "9"
    & skf18("9","7","6","10","2","7","1") = "9"
    & skf18("9","7","6","10","2","8","1") = "9"
    & skf18("9","7","6","10","2","9","1") = "9"
    & skf18("9","7","6","10","2","10","1") = "9"
    & skf18("9","7","6","10","3","1","1") = "9"
    & skf18("9","7","6","10","3","2","1") = "9"
    & skf18("9","7","6","10","3","3","1") = "9"
    & skf18("9","7","6","10","3","4","1") = "9"
    & skf18("9","7","6","10","3","5","1") = "9"
    & skf18("9","7","6","10","3","6","1") = "9"
    & skf18("9","7","6","10","3","7","1") = "9"
    & skf18("9","7","6","10","3","8","1") = "9"
    & skf18("9","7","6","10","3","9","1") = "9"
    & skf18("9","7","6","10","3","10","1") = "9"
    & skf18("9","7","6","10","4","1","1") = "9"
    & skf18("9","7","6","10","4","2","1") = "9"
    & skf18("9","7","6","10","4","3","1") = "9"
    & skf18("9","7","6","10","4","4","1") = "9"
    & skf18("9","7","6","10","4","5","1") = "9"
    & skf18("9","7","6","10","4","6","1") = "9"
    & skf18("9","7","6","10","4","7","1") = "9"
    & skf18("9","7","6","10","4","8","1") = "9"
    & skf18("9","7","6","10","4","9","1") = "9"
    & skf18("9","7","6","10","4","10","1") = "9"
    & skf18("9","7","6","10","5","1","1") = "9"
    & skf18("9","7","6","10","5","2","1") = "9"
    & skf18("9","7","6","10","5","3","1") = "9"
    & skf18("9","7","6","10","5","4","1") = "9"
    & skf18("9","7","6","10","5","5","1") = "9"
    & skf18("9","7","6","10","5","6","1") = "9"
    & skf18("9","7","6","10","5","7","1") = "9"
    & skf18("9","7","6","10","5","8","1") = "9"
    & skf18("9","7","6","10","5","9","1") = "9"
    & skf18("9","7","6","10","5","10","1") = "9"
    & skf18("9","7","6","10","6","1","1") = "9"
    & skf18("9","7","6","10","6","2","1") = "9"
    & skf18("9","7","6","10","6","3","1") = "9"
    & skf18("9","7","6","10","6","4","1") = "9"
    & skf18("9","7","6","10","6","5","1") = "9"
    & skf18("9","7","6","10","6","6","1") = "9"
    & skf18("9","7","6","10","6","7","1") = "9"
    & skf18("9","7","6","10","6","8","1") = "9"
    & skf18("9","7","6","10","6","9","1") = "9"
    & skf18("9","7","6","10","6","10","1") = "9"
    & skf18("9","7","6","10","7","1","1") = "9"
    & skf18("9","7","6","10","7","2","1") = "9"
    & skf18("9","7","6","10","7","3","1") = "9"
    & skf18("9","7","6","10","7","4","1") = "9"
    & skf18("9","7","6","10","7","5","1") = "9"
    & skf18("9","7","6","10","7","6","1") = "9"
    & skf18("9","7","6","10","7","7","1") = "9"
    & skf18("9","7","6","10","7","8","1") = "9"
    & skf18("9","7","6","10","7","9","1") = "9"
    & skf18("9","7","6","10","7","10","1") = "9"
    & skf18("9","7","6","10","8","1","1") = "9"
    & skf18("9","7","6","10","8","2","1") = "9"
    & skf18("9","7","6","10","8","3","1") = "9"
    & skf18("9","7","6","10","8","4","1") = "9"
    & skf18("9","7","6","10","8","5","1") = "9"
    & skf18("9","7","6","10","8","6","1") = "9"
    & skf18("9","7","6","10","8","7","1") = "9"
    & skf18("9","7","6","10","8","8","1") = "9"
    & skf18("9","7","6","10","8","9","1") = "9"
    & skf18("9","7","6","10","8","10","1") = "9"
    & skf18("9","7","6","10","9","1","1") = "9"
    & skf18("9","7","6","10","9","2","1") = "9"
    & skf18("9","7","6","10","9","3","1") = "9"
    & skf18("9","7","6","10","9","4","1") = "9"
    & skf18("9","7","6","10","9","5","1") = "9"
    & skf18("9","7","6","10","9","6","1") = "9"
    & skf18("9","7","6","10","9","7","1") = "9"
    & skf18("9","7","6","10","9","8","1") = "9"
    & skf18("9","7","6","10","9","9","1") = "9"
    & skf18("9","7","6","10","9","10","1") = "9"
    & skf18("9","7","6","10","10","1","1") = "9"
    & skf18("9","7","6","10","10","2","1") = "9"
    & skf18("9","7","6","10","10","3","1") = "9"
    & skf18("9","7","6","10","10","4","1") = "9"
    & skf18("9","7","6","10","10","5","1") = "9"
    & skf18("9","7","6","10","10","6","1") = "9"
    & skf18("9","7","6","10","10","7","1") = "9"
    & skf18("9","7","6","10","10","8","1") = "9"
    & skf18("9","7","6","10","10","9","1") = "9"
    & skf18("9","7","6","10","10","10","1") = "9"
    & skf18("9","7","7","1","1","1","1") = "8"
    & skf18("9","7","7","1","1","2","1") = "8"
    & skf18("9","7","7","1","1","3","1") = "8"
    & skf18("9","7","7","1","1","4","1") = "8"
    & skf18("9","7","7","1","1","5","1") = "8"
    & skf18("9","7","7","1","1","6","1") = "8"
    & skf18("9","7","7","1","1","7","1") = "8"
    & skf18("9","7","7","1","1","8","1") = "8"
    & skf18("9","7","7","1","1","9","1") = "8"
    & skf18("9","7","7","1","1","10","1") = "9"
    & skf18("9","7","7","1","2","1","1") = "8"
    & skf18("9","7","7","1","2","2","1") = "8"
    & skf18("9","7","7","1","2","3","1") = "8"
    & skf18("9","7","7","1","2","4","1") = "8"
    & skf18("9","7","7","1","2","5","1") = "8"
    & skf18("9","7","7","1","2","6","1") = "8"
    & skf18("9","7","7","1","2","7","1") = "8"
    & skf18("9","7","7","1","2","8","1") = "8"
    & skf18("9","7","7","1","2","9","1") = "8"
    & skf18("9","7","7","1","2","10","1") = "9"
    & skf18("9","7","7","1","3","1","1") = "8"
    & skf18("9","7","7","1","3","2","1") = "8"
    & skf18("9","7","7","1","3","3","1") = "8"
    & skf18("9","7","7","1","3","4","1") = "8"
    & skf18("9","7","7","1","3","5","1") = "8"
    & skf18("9","7","7","1","3","6","1") = "8"
    & skf18("9","7","7","1","3","7","1") = "8"
    & skf18("9","7","7","1","3","8","1") = "8"
    & skf18("9","7","7","1","3","9","1") = "8"
    & skf18("9","7","7","1","3","10","1") = "9"
    & skf18("9","7","7","1","4","1","1") = "8"
    & skf18("9","7","7","1","4","2","1") = "8"
    & skf18("9","7","7","1","4","3","1") = "8"
    & skf18("9","7","7","1","4","4","1") = "8"
    & skf18("9","7","7","1","4","5","1") = "8"
    & skf18("9","7","7","1","4","6","1") = "8"
    & skf18("9","7","7","1","4","7","1") = "8"
    & skf18("9","7","7","1","4","8","1") = "8"
    & skf18("9","7","7","1","4","9","1") = "8"
    & skf18("9","7","7","1","4","10","1") = "9"
    & skf18("9","7","7","1","5","1","1") = "8"
    & skf18("9","7","7","1","5","2","1") = "8"
    & skf18("9","7","7","1","5","3","1") = "8"
    & skf18("9","7","7","1","5","4","1") = "8"
    & skf18("9","7","7","1","5","5","1") = "8"
    & skf18("9","7","7","1","5","6","1") = "8"
    & skf18("9","7","7","1","5","7","1") = "8"
    & skf18("9","7","7","1","5","8","1") = "8"
    & skf18("9","7","7","1","5","9","1") = "8"
    & skf18("9","7","7","1","5","10","1") = "9"
    & skf18("9","7","7","1","6","1","1") = "8"
    & skf18("9","7","7","1","6","2","1") = "8"
    & skf18("9","7","7","1","6","3","1") = "8"
    & skf18("9","7","7","1","6","4","1") = "8"
    & skf18("9","7","7","1","6","5","1") = "8"
    & skf18("9","7","7","1","6","6","1") = "8"
    & skf18("9","7","7","1","6","7","1") = "8"
    & skf18("9","7","7","1","6","8","1") = "8"
    & skf18("9","7","7","1","6","9","1") = "8"
    & skf18("9","7","7","1","6","10","1") = "9"
    & skf18("9","7","7","1","7","1","1") = "8"
    & skf18("9","7","7","1","7","2","1") = "8"
    & skf18("9","7","7","1","7","3","1") = "8"
    & skf18("9","7","7","1","7","4","1") = "8"
    & skf18("9","7","7","1","7","5","1") = "8"
    & skf18("9","7","7","1","7","6","1") = "8"
    & skf18("9","7","7","1","7","7","1") = "8"
    & skf18("9","7","7","1","7","8","1") = "8"
    & skf18("9","7","7","1","7","9","1") = "8"
    & skf18("9","7","7","1","7","10","1") = "9"
    & skf18("9","7","7","1","8","1","1") = "8"
    & skf18("9","7","7","1","8","2","1") = "8"
    & skf18("9","7","7","1","8","3","1") = "8"
    & skf18("9","7","7","1","8","4","1") = "8"
    & skf18("9","7","7","1","8","5","1") = "8"
    & skf18("9","7","7","1","8","6","1") = "8"
    & skf18("9","7","7","1","8","7","1") = "8"
    & skf18("9","7","7","1","8","8","1") = "8"
    & skf18("9","7","7","1","8","9","1") = "8"
    & skf18("9","7","7","1","8","10","1") = "9"
    & skf18("9","7","7","1","9","1","1") = "8"
    & skf18("9","7","7","1","9","2","1") = "8"
    & skf18("9","7","7","1","9","3","1") = "8"
    & skf18("9","7","7","1","9","4","1") = "8"
    & skf18("9","7","7","1","9","5","1") = "8"
    & skf18("9","7","7","1","9","6","1") = "8"
    & skf18("9","7","7","1","9","7","1") = "8"
    & skf18("9","7","7","1","9","8","1") = "8"
    & skf18("9","7","7","1","9","9","1") = "8"
    & skf18("9","7","7","1","9","10","1") = "9"
    & skf18("9","7","7","1","10","1","1") = "9"
    & skf18("9","7","7","1","10","2","1") = "9"
    & skf18("9","7","7","1","10","3","1") = "9"
    & skf18("9","7","7","1","10","4","1") = "9"
    & skf18("9","7","7","1","10","5","1") = "9"
    & skf18("9","7","7","1","10","6","1") = "9"
    & skf18("9","7","7","1","10","7","1") = "9"
    & skf18("9","7","7","1","10","8","1") = "9"
    & skf18("9","7","7","1","10","9","1") = "9"
    & skf18("9","7","7","1","10","10","1") = "9"
    & skf18("9","7","7","2","1","1","1") = "8"
    & skf18("9","7","7","2","1","2","1") = "8"
    & skf18("9","7","7","2","1","3","1") = "8"
    & skf18("9","7","7","2","1","4","1") = "8"
    & skf18("9","7","7","2","1","5","1") = "8"
    & skf18("9","7","7","2","1","6","1") = "8"
    & skf18("9","7","7","2","1","7","1") = "8"
    & skf18("9","7","7","2","1","8","1") = "8"
    & skf18("9","7","7","2","1","9","1") = "8"
    & skf18("9","7","7","2","1","10","1") = "9"
    & skf18("9","7","7","2","2","1","1") = "8"
    & skf18("9","7","7","2","2","2","1") = "8"
    & skf18("9","7","7","2","2","3","1") = "8"
    & skf18("9","7","7","2","2","4","1") = "8"
    & skf18("9","7","7","2","2","5","1") = "8"
    & skf18("9","7","7","2","2","6","1") = "8"
    & skf18("9","7","7","2","2","7","1") = "8"
    & skf18("9","7","7","2","2","8","1") = "8"
    & skf18("9","7","7","2","2","9","1") = "8"
    & skf18("9","7","7","2","2","10","1") = "9"
    & skf18("9","7","7","2","3","1","1") = "8"
    & skf18("9","7","7","2","3","2","1") = "8"
    & skf18("9","7","7","2","3","3","1") = "8"
    & skf18("9","7","7","2","3","4","1") = "8"
    & skf18("9","7","7","2","3","5","1") = "8"
    & skf18("9","7","7","2","3","6","1") = "8"
    & skf18("9","7","7","2","3","7","1") = "8"
    & skf18("9","7","7","2","3","8","1") = "8"
    & skf18("9","7","7","2","3","9","1") = "8"
    & skf18("9","7","7","2","3","10","1") = "9"
    & skf18("9","7","7","2","4","1","1") = "8"
    & skf18("9","7","7","2","4","2","1") = "8"
    & skf18("9","7","7","2","4","3","1") = "8"
    & skf18("9","7","7","2","4","4","1") = "8"
    & skf18("9","7","7","2","4","5","1") = "8"
    & skf18("9","7","7","2","4","6","1") = "8"
    & skf18("9","7","7","2","4","7","1") = "8"
    & skf18("9","7","7","2","4","8","1") = "8"
    & skf18("9","7","7","2","4","9","1") = "8"
    & skf18("9","7","7","2","4","10","1") = "9"
    & skf18("9","7","7","2","5","1","1") = "8"
    & skf18("9","7","7","2","5","2","1") = "8"
    & skf18("9","7","7","2","5","3","1") = "8"
    & skf18("9","7","7","2","5","4","1") = "8"
    & skf18("9","7","7","2","5","5","1") = "8"
    & skf18("9","7","7","2","5","6","1") = "8"
    & skf18("9","7","7","2","5","7","1") = "8"
    & skf18("9","7","7","2","5","8","1") = "8"
    & skf18("9","7","7","2","5","9","1") = "8"
    & skf18("9","7","7","2","5","10","1") = "9"
    & skf18("9","7","7","2","6","1","1") = "8"
    & skf18("9","7","7","2","6","2","1") = "8"
    & skf18("9","7","7","2","6","3","1") = "8"
    & skf18("9","7","7","2","6","4","1") = "8"
    & skf18("9","7","7","2","6","5","1") = "8"
    & skf18("9","7","7","2","6","6","1") = "8"
    & skf18("9","7","7","2","6","7","1") = "8"
    & skf18("9","7","7","2","6","8","1") = "8"
    & skf18("9","7","7","2","6","9","1") = "8"
    & skf18("9","7","7","2","6","10","1") = "9"
    & skf18("9","7","7","2","7","1","1") = "8"
    & skf18("9","7","7","2","7","2","1") = "8"
    & skf18("9","7","7","2","7","3","1") = "8"
    & skf18("9","7","7","2","7","4","1") = "8"
    & skf18("9","7","7","2","7","5","1") = "8"
    & skf18("9","7","7","2","7","6","1") = "8"
    & skf18("9","7","7","2","7","7","1") = "8"
    & skf18("9","7","7","2","7","8","1") = "8"
    & skf18("9","7","7","2","7","9","1") = "8"
    & skf18("9","7","7","2","7","10","1") = "9"
    & skf18("9","7","7","2","8","1","1") = "8"
    & skf18("9","7","7","2","8","2","1") = "8"
    & skf18("9","7","7","2","8","3","1") = "8"
    & skf18("9","7","7","2","8","4","1") = "8"
    & skf18("9","7","7","2","8","5","1") = "8"
    & skf18("9","7","7","2","8","6","1") = "8"
    & skf18("9","7","7","2","8","7","1") = "8"
    & skf18("9","7","7","2","8","8","1") = "8"
    & skf18("9","7","7","2","8","9","1") = "8"
    & skf18("9","7","7","2","8","10","1") = "9"
    & skf18("9","7","7","2","9","1","1") = "8"
    & skf18("9","7","7","2","9","2","1") = "8"
    & skf18("9","7","7","2","9","3","1") = "8"
    & skf18("9","7","7","2","9","4","1") = "8"
    & skf18("9","7","7","2","9","5","1") = "8"
    & skf18("9","7","7","2","9","6","1") = "8"
    & skf18("9","7","7","2","9","7","1") = "8"
    & skf18("9","7","7","2","9","8","1") = "8"
    & skf18("9","7","7","2","9","9","1") = "8"
    & skf18("9","7","7","2","9","10","1") = "9"
    & skf18("9","7","7","2","10","1","1") = "9"
    & skf18("9","7","7","2","10","2","1") = "9"
    & skf18("9","7","7","2","10","3","1") = "9"
    & skf18("9","7","7","2","10","4","1") = "9"
    & skf18("9","7","7","2","10","5","1") = "9"
    & skf18("9","7","7","2","10","6","1") = "9"
    & skf18("9","7","7","2","10","7","1") = "9"
    & skf18("9","7","7","2","10","8","1") = "9"
    & skf18("9","7","7","2","10","9","1") = "9"
    & skf18("9","7","7","2","10","10","1") = "9"
    & skf18("9","7","7","3","1","1","1") = "8"
    & skf18("9","7","7","3","1","2","1") = "8"
    & skf18("9","7","7","3","1","3","1") = "8"
    & skf18("9","7","7","3","1","4","1") = "8"
    & skf18("9","7","7","3","1","5","1") = "8"
    & skf18("9","7","7","3","1","6","1") = "8"
    & skf18("9","7","7","3","1","7","1") = "8"
    & skf18("9","7","7","3","1","8","1") = "8"
    & skf18("9","7","7","3","1","9","1") = "8"
    & skf18("9","7","7","3","1","10","1") = "9"
    & skf18("9","7","7","3","2","1","1") = "8"
    & skf18("9","7","7","3","2","2","1") = "8"
    & skf18("9","7","7","3","2","3","1") = "8"
    & skf18("9","7","7","3","2","4","1") = "8"
    & skf18("9","7","7","3","2","5","1") = "8"
    & skf18("9","7","7","3","2","6","1") = "8"
    & skf18("9","7","7","3","2","7","1") = "8"
    & skf18("9","7","7","3","2","8","1") = "8"
    & skf18("9","7","7","3","2","9","1") = "8"
    & skf18("9","7","7","3","2","10","1") = "9"
    & skf18("9","7","7","3","3","1","1") = "8"
    & skf18("9","7","7","3","3","2","1") = "8"
    & skf18("9","7","7","3","3","3","1") = "8"
    & skf18("9","7","7","3","3","4","1") = "8"
    & skf18("9","7","7","3","3","5","1") = "8"
    & skf18("9","7","7","3","3","6","1") = "8"
    & skf18("9","7","7","3","3","7","1") = "8"
    & skf18("9","7","7","3","3","8","1") = "8"
    & skf18("9","7","7","3","3","9","1") = "8"
    & skf18("9","7","7","3","3","10","1") = "9"
    & skf18("9","7","7","3","4","1","1") = "8"
    & skf18("9","7","7","3","4","2","1") = "8"
    & skf18("9","7","7","3","4","3","1") = "8"
    & skf18("9","7","7","3","4","4","1") = "8"
    & skf18("9","7","7","3","4","5","1") = "8"
    & skf18("9","7","7","3","4","6","1") = "8"
    & skf18("9","7","7","3","4","7","1") = "8"
    & skf18("9","7","7","3","4","8","1") = "8"
    & skf18("9","7","7","3","4","9","1") = "8"
    & skf18("9","7","7","3","4","10","1") = "9"
    & skf18("9","7","7","3","5","1","1") = "8"
    & skf18("9","7","7","3","5","2","1") = "8"
    & skf18("9","7","7","3","5","3","1") = "8"
    & skf18("9","7","7","3","5","4","1") = "8"
    & skf18("9","7","7","3","5","5","1") = "8"
    & skf18("9","7","7","3","5","6","1") = "8"
    & skf18("9","7","7","3","5","7","1") = "8"
    & skf18("9","7","7","3","5","8","1") = "8"
    & skf18("9","7","7","3","5","9","1") = "8"
    & skf18("9","7","7","3","5","10","1") = "9"
    & skf18("9","7","7","3","6","1","1") = "8"
    & skf18("9","7","7","3","6","2","1") = "8"
    & skf18("9","7","7","3","6","3","1") = "8"
    & skf18("9","7","7","3","6","4","1") = "8"
    & skf18("9","7","7","3","6","5","1") = "8"
    & skf18("9","7","7","3","6","6","1") = "8"
    & skf18("9","7","7","3","6","7","1") = "8"
    & skf18("9","7","7","3","6","8","1") = "8"
    & skf18("9","7","7","3","6","9","1") = "8"
    & skf18("9","7","7","3","6","10","1") = "9"
    & skf18("9","7","7","3","7","1","1") = "8"
    & skf18("9","7","7","3","7","2","1") = "8"
    & skf18("9","7","7","3","7","3","1") = "8"
    & skf18("9","7","7","3","7","4","1") = "8"
    & skf18("9","7","7","3","7","5","1") = "8"
    & skf18("9","7","7","3","7","6","1") = "8"
    & skf18("9","7","7","3","7","7","1") = "8"
    & skf18("9","7","7","3","7","8","1") = "8"
    & skf18("9","7","7","3","7","9","1") = "8"
    & skf18("9","7","7","3","7","10","1") = "9"
    & skf18("9","7","7","3","8","1","1") = "8"
    & skf18("9","7","7","3","8","2","1") = "8"
    & skf18("9","7","7","3","8","3","1") = "8"
    & skf18("9","7","7","3","8","4","1") = "8"
    & skf18("9","7","7","3","8","5","1") = "8"
    & skf18("9","7","7","3","8","6","1") = "8"
    & skf18("9","7","7","3","8","7","1") = "8"
    & skf18("9","7","7","3","8","8","1") = "8"
    & skf18("9","7","7","3","8","9","1") = "8"
    & skf18("9","7","7","3","8","10","1") = "9"
    & skf18("9","7","7","3","9","1","1") = "8"
    & skf18("9","7","7","3","9","2","1") = "8"
    & skf18("9","7","7","3","9","3","1") = "8"
    & skf18("9","7","7","3","9","4","1") = "8"
    & skf18("9","7","7","3","9","5","1") = "8"
    & skf18("9","7","7","3","9","6","1") = "8"
    & skf18("9","7","7","3","9","7","1") = "8"
    & skf18("9","7","7","3","9","8","1") = "8"
    & skf18("9","7","7","3","9","9","1") = "8"
    & skf18("9","7","7","3","9","10","1") = "9"
    & skf18("9","7","7","3","10","1","1") = "9"
    & skf18("9","7","7","3","10","2","1") = "9"
    & skf18("9","7","7","3","10","3","1") = "9"
    & skf18("9","7","7","3","10","4","1") = "9"
    & skf18("9","7","7","3","10","5","1") = "9"
    & skf18("9","7","7","3","10","6","1") = "9"
    & skf18("9","7","7","3","10","7","1") = "9"
    & skf18("9","7","7","3","10","8","1") = "9"
    & skf18("9","7","7","3","10","9","1") = "9"
    & skf18("9","7","7","3","10","10","1") = "9"
    & skf18("9","7","7","4","1","1","1") = "8"
    & skf18("9","7","7","4","1","2","1") = "8"
    & skf18("9","7","7","4","1","3","1") = "8"
    & skf18("9","7","7","4","1","4","1") = "8"
    & skf18("9","7","7","4","1","5","1") = "8"
    & skf18("9","7","7","4","1","6","1") = "8"
    & skf18("9","7","7","4","1","7","1") = "8"
    & skf18("9","7","7","4","1","8","1") = "8"
    & skf18("9","7","7","4","1","9","1") = "8"
    & skf18("9","7","7","4","1","10","1") = "9"
    & skf18("9","7","7","4","2","1","1") = "8"
    & skf18("9","7","7","4","2","2","1") = "8"
    & skf18("9","7","7","4","2","3","1") = "8"
    & skf18("9","7","7","4","2","4","1") = "8"
    & skf18("9","7","7","4","2","5","1") = "8"
    & skf18("9","7","7","4","2","6","1") = "8"
    & skf18("9","7","7","4","2","7","1") = "8"
    & skf18("9","7","7","4","2","8","1") = "8"
    & skf18("9","7","7","4","2","9","1") = "8"
    & skf18("9","7","7","4","2","10","1") = "9"
    & skf18("9","7","7","4","3","1","1") = "8"
    & skf18("9","7","7","4","3","2","1") = "8"
    & skf18("9","7","7","4","3","3","1") = "8"
    & skf18("9","7","7","4","3","4","1") = "8"
    & skf18("9","7","7","4","3","5","1") = "8"
    & skf18("9","7","7","4","3","6","1") = "8"
    & skf18("9","7","7","4","3","7","1") = "8"
    & skf18("9","7","7","4","3","8","1") = "8"
    & skf18("9","7","7","4","3","9","1") = "8"
    & skf18("9","7","7","4","3","10","1") = "9"
    & skf18("9","7","7","4","4","1","1") = "8"
    & skf18("9","7","7","4","4","2","1") = "8"
    & skf18("9","7","7","4","4","3","1") = "8"
    & skf18("9","7","7","4","4","4","1") = "8"
    & skf18("9","7","7","4","4","5","1") = "8"
    & skf18("9","7","7","4","4","6","1") = "8"
    & skf18("9","7","7","4","4","7","1") = "8"
    & skf18("9","7","7","4","4","8","1") = "8"
    & skf18("9","7","7","4","4","9","1") = "8"
    & skf18("9","7","7","4","4","10","1") = "9"
    & skf18("9","7","7","4","5","1","1") = "8"
    & skf18("9","7","7","4","5","2","1") = "8"
    & skf18("9","7","7","4","5","3","1") = "8"
    & skf18("9","7","7","4","5","4","1") = "8"
    & skf18("9","7","7","4","5","5","1") = "8"
    & skf18("9","7","7","4","5","6","1") = "8"
    & skf18("9","7","7","4","5","7","1") = "8"
    & skf18("9","7","7","4","5","8","1") = "8"
    & skf18("9","7","7","4","5","9","1") = "8"
    & skf18("9","7","7","4","5","10","1") = "9"
    & skf18("9","7","7","4","6","1","1") = "8"
    & skf18("9","7","7","4","6","2","1") = "8"
    & skf18("9","7","7","4","6","3","1") = "8"
    & skf18("9","7","7","4","6","4","1") = "8"
    & skf18("9","7","7","4","6","5","1") = "8"
    & skf18("9","7","7","4","6","6","1") = "8"
    & skf18("9","7","7","4","6","7","1") = "8"
    & skf18("9","7","7","4","6","8","1") = "8"
    & skf18("9","7","7","4","6","9","1") = "8"
    & skf18("9","7","7","4","6","10","1") = "9"
    & skf18("9","7","7","4","7","1","1") = "8"
    & skf18("9","7","7","4","7","2","1") = "8"
    & skf18("9","7","7","4","7","3","1") = "8"
    & skf18("9","7","7","4","7","4","1") = "8"
    & skf18("9","7","7","4","7","5","1") = "8"
    & skf18("9","7","7","4","7","6","1") = "8"
    & skf18("9","7","7","4","7","7","1") = "8"
    & skf18("9","7","7","4","7","8","1") = "8"
    & skf18("9","7","7","4","7","9","1") = "8"
    & skf18("9","7","7","4","7","10","1") = "9"
    & skf18("9","7","7","4","8","1","1") = "8"
    & skf18("9","7","7","4","8","2","1") = "8"
    & skf18("9","7","7","4","8","3","1") = "8"
    & skf18("9","7","7","4","8","4","1") = "8"
    & skf18("9","7","7","4","8","5","1") = "8"
    & skf18("9","7","7","4","8","6","1") = "8"
    & skf18("9","7","7","4","8","7","1") = "8"
    & skf18("9","7","7","4","8","8","1") = "8"
    & skf18("9","7","7","4","8","9","1") = "8"
    & skf18("9","7","7","4","8","10","1") = "9"
    & skf18("9","7","7","4","9","1","1") = "8"
    & skf18("9","7","7","4","9","2","1") = "8"
    & skf18("9","7","7","4","9","3","1") = "8"
    & skf18("9","7","7","4","9","4","1") = "8"
    & skf18("9","7","7","4","9","5","1") = "8"
    & skf18("9","7","7","4","9","6","1") = "8"
    & skf18("9","7","7","4","9","7","1") = "8"
    & skf18("9","7","7","4","9","8","1") = "8"
    & skf18("9","7","7","4","9","9","1") = "8"
    & skf18("9","7","7","4","9","10","1") = "9"
    & skf18("9","7","7","4","10","1","1") = "9"
    & skf18("9","7","7","4","10","2","1") = "9"
    & skf18("9","7","7","4","10","3","1") = "9"
    & skf18("9","7","7","4","10","4","1") = "9"
    & skf18("9","7","7","4","10","5","1") = "9"
    & skf18("9","7","7","4","10","6","1") = "9"
    & skf18("9","7","7","4","10","7","1") = "9"
    & skf18("9","7","7","4","10","8","1") = "9"
    & skf18("9","7","7","4","10","9","1") = "9"
    & skf18("9","7","7","4","10","10","1") = "9"
    & skf18("9","7","7","5","1","1","1") = "8"
    & skf18("9","7","7","5","1","2","1") = "8"
    & skf18("9","7","7","5","1","3","1") = "8"
    & skf18("9","7","7","5","1","4","1") = "8"
    & skf18("9","7","7","5","1","5","1") = "8"
    & skf18("9","7","7","5","1","6","1") = "8"
    & skf18("9","7","7","5","1","7","1") = "8"
    & skf18("9","7","7","5","1","8","1") = "8"
    & skf18("9","7","7","5","1","9","1") = "8"
    & skf18("9","7","7","5","1","10","1") = "9"
    & skf18("9","7","7","5","2","1","1") = "8"
    & skf18("9","7","7","5","2","2","1") = "8"
    & skf18("9","7","7","5","2","3","1") = "8"
    & skf18("9","7","7","5","2","4","1") = "8"
    & skf18("9","7","7","5","2","5","1") = "8"
    & skf18("9","7","7","5","2","6","1") = "8"
    & skf18("9","7","7","5","2","7","1") = "8"
    & skf18("9","7","7","5","2","8","1") = "8"
    & skf18("9","7","7","5","2","9","1") = "8"
    & skf18("9","7","7","5","2","10","1") = "9"
    & skf18("9","7","7","5","3","1","1") = "8"
    & skf18("9","7","7","5","3","2","1") = "8"
    & skf18("9","7","7","5","3","3","1") = "8"
    & skf18("9","7","7","5","3","4","1") = "8"
    & skf18("9","7","7","5","3","5","1") = "8"
    & skf18("9","7","7","5","3","6","1") = "8"
    & skf18("9","7","7","5","3","7","1") = "8"
    & skf18("9","7","7","5","3","8","1") = "8"
    & skf18("9","7","7","5","3","9","1") = "8"
    & skf18("9","7","7","5","3","10","1") = "9"
    & skf18("9","7","7","5","4","1","1") = "8"
    & skf18("9","7","7","5","4","2","1") = "8"
    & skf18("9","7","7","5","4","3","1") = "8"
    & skf18("9","7","7","5","4","4","1") = "8"
    & skf18("9","7","7","5","4","5","1") = "8"
    & skf18("9","7","7","5","4","6","1") = "8"
    & skf18("9","7","7","5","4","7","1") = "8"
    & skf18("9","7","7","5","4","8","1") = "8"
    & skf18("9","7","7","5","4","9","1") = "8"
    & skf18("9","7","7","5","4","10","1") = "9"
    & skf18("9","7","7","5","5","1","1") = "8"
    & skf18("9","7","7","5","5","2","1") = "8"
    & skf18("9","7","7","5","5","3","1") = "8"
    & skf18("9","7","7","5","5","4","1") = "8"
    & skf18("9","7","7","5","5","5","1") = "8"
    & skf18("9","7","7","5","5","6","1") = "8"
    & skf18("9","7","7","5","5","7","1") = "8"
    & skf18("9","7","7","5","5","8","1") = "8"
    & skf18("9","7","7","5","5","9","1") = "8"
    & skf18("9","7","7","5","5","10","1") = "9"
    & skf18("9","7","7","5","6","1","1") = "8"
    & skf18("9","7","7","5","6","2","1") = "8"
    & skf18("9","7","7","5","6","3","1") = "8"
    & skf18("9","7","7","5","6","4","1") = "8"
    & skf18("9","7","7","5","6","5","1") = "8"
    & skf18("9","7","7","5","6","6","1") = "8"
    & skf18("9","7","7","5","6","7","1") = "8"
    & skf18("9","7","7","5","6","8","1") = "8"
    & skf18("9","7","7","5","6","9","1") = "8"
    & skf18("9","7","7","5","6","10","1") = "9"
    & skf18("9","7","7","5","7","1","1") = "8"
    & skf18("9","7","7","5","7","2","1") = "8"
    & skf18("9","7","7","5","7","3","1") = "8"
    & skf18("9","7","7","5","7","4","1") = "8"
    & skf18("9","7","7","5","7","5","1") = "8"
    & skf18("9","7","7","5","7","6","1") = "8"
    & skf18("9","7","7","5","7","7","1") = "8"
    & skf18("9","7","7","5","7","8","1") = "8"
    & skf18("9","7","7","5","7","9","1") = "8"
    & skf18("9","7","7","5","7","10","1") = "9"
    & skf18("9","7","7","5","8","1","1") = "8"
    & skf18("9","7","7","5","8","2","1") = "8"
    & skf18("9","7","7","5","8","3","1") = "8"
    & skf18("9","7","7","5","8","4","1") = "8"
    & skf18("9","7","7","5","8","5","1") = "8"
    & skf18("9","7","7","5","8","6","1") = "8"
    & skf18("9","7","7","5","8","7","1") = "8"
    & skf18("9","7","7","5","8","8","1") = "8"
    & skf18("9","7","7","5","8","9","1") = "8"
    & skf18("9","7","7","5","8","10","1") = "9"
    & skf18("9","7","7","5","9","1","1") = "8"
    & skf18("9","7","7","5","9","2","1") = "8"
    & skf18("9","7","7","5","9","3","1") = "8"
    & skf18("9","7","7","5","9","4","1") = "8"
    & skf18("9","7","7","5","9","5","1") = "8"
    & skf18("9","7","7","5","9","6","1") = "8"
    & skf18("9","7","7","5","9","7","1") = "8"
    & skf18("9","7","7","5","9","8","1") = "8"
    & skf18("9","7","7","5","9","9","1") = "8"
    & skf18("9","7","7","5","9","10","1") = "9"
    & skf18("9","7","7","5","10","1","1") = "9"
    & skf18("9","7","7","5","10","2","1") = "9"
    & skf18("9","7","7","5","10","3","1") = "9"
    & skf18("9","7","7","5","10","4","1") = "9"
    & skf18("9","7","7","5","10","5","1") = "9"
    & skf18("9","7","7","5","10","6","1") = "9"
    & skf18("9","7","7","5","10","7","1") = "9"
    & skf18("9","7","7","5","10","8","1") = "9"
    & skf18("9","7","7","5","10","9","1") = "9"
    & skf18("9","7","7","5","10","10","1") = "9"
    & skf18("9","7","7","6","1","1","1") = "8"
    & skf18("9","7","7","6","1","2","1") = "8"
    & skf18("9","7","7","6","1","3","1") = "8"
    & skf18("9","7","7","6","1","4","1") = "8"
    & skf18("9","7","7","6","1","5","1") = "8"
    & skf18("9","7","7","6","1","6","1") = "8"
    & skf18("9","7","7","6","1","7","1") = "8"
    & skf18("9","7","7","6","1","8","1") = "8"
    & skf18("9","7","7","6","1","9","1") = "8"
    & skf18("9","7","7","6","1","10","1") = "9"
    & skf18("9","7","7","6","2","1","1") = "8"
    & skf18("9","7","7","6","2","2","1") = "8"
    & skf18("9","7","7","6","2","3","1") = "8"
    & skf18("9","7","7","6","2","4","1") = "8"
    & skf18("9","7","7","6","2","5","1") = "8"
    & skf18("9","7","7","6","2","6","1") = "8"
    & skf18("9","7","7","6","2","7","1") = "8"
    & skf18("9","7","7","6","2","8","1") = "8"
    & skf18("9","7","7","6","2","9","1") = "8"
    & skf18("9","7","7","6","2","10","1") = "9"
    & skf18("9","7","7","6","3","1","1") = "8"
    & skf18("9","7","7","6","3","2","1") = "8"
    & skf18("9","7","7","6","3","3","1") = "8"
    & skf18("9","7","7","6","3","4","1") = "8"
    & skf18("9","7","7","6","3","5","1") = "8"
    & skf18("9","7","7","6","3","6","1") = "8"
    & skf18("9","7","7","6","3","7","1") = "8"
    & skf18("9","7","7","6","3","8","1") = "8"
    & skf18("9","7","7","6","3","9","1") = "8"
    & skf18("9","7","7","6","3","10","1") = "9"
    & skf18("9","7","7","6","4","1","1") = "8"
    & skf18("9","7","7","6","4","2","1") = "8"
    & skf18("9","7","7","6","4","3","1") = "8"
    & skf18("9","7","7","6","4","4","1") = "8"
    & skf18("9","7","7","6","4","5","1") = "8"
    & skf18("9","7","7","6","4","6","1") = "8"
    & skf18("9","7","7","6","4","7","1") = "8"
    & skf18("9","7","7","6","4","8","1") = "8"
    & skf18("9","7","7","6","4","9","1") = "8"
    & skf18("9","7","7","6","4","10","1") = "9"
    & skf18("9","7","7","6","5","1","1") = "8"
    & skf18("9","7","7","6","5","2","1") = "8"
    & skf18("9","7","7","6","5","3","1") = "8"
    & skf18("9","7","7","6","5","4","1") = "8"
    & skf18("9","7","7","6","5","5","1") = "8"
    & skf18("9","7","7","6","5","6","1") = "8"
    & skf18("9","7","7","6","5","7","1") = "8"
    & skf18("9","7","7","6","5","8","1") = "8"
    & skf18("9","7","7","6","5","9","1") = "8"
    & skf18("9","7","7","6","5","10","1") = "9"
    & skf18("9","7","7","6","6","1","1") = "8"
    & skf18("9","7","7","6","6","2","1") = "8"
    & skf18("9","7","7","6","6","3","1") = "8"
    & skf18("9","7","7","6","6","4","1") = "8"
    & skf18("9","7","7","6","6","5","1") = "8"
    & skf18("9","7","7","6","6","6","1") = "8"
    & skf18("9","7","7","6","6","7","1") = "8"
    & skf18("9","7","7","6","6","8","1") = "8"
    & skf18("9","7","7","6","6","9","1") = "8"
    & skf18("9","7","7","6","6","10","1") = "9"
    & skf18("9","7","7","6","7","1","1") = "8"
    & skf18("9","7","7","6","7","2","1") = "8"
    & skf18("9","7","7","6","7","3","1") = "8"
    & skf18("9","7","7","6","7","4","1") = "8"
    & skf18("9","7","7","6","7","5","1") = "8"
    & skf18("9","7","7","6","7","6","1") = "8"
    & skf18("9","7","7","6","7","7","1") = "8"
    & skf18("9","7","7","6","7","8","1") = "8"
    & skf18("9","7","7","6","7","9","1") = "8"
    & skf18("9","7","7","6","7","10","1") = "9"
    & skf18("9","7","7","6","8","1","1") = "8"
    & skf18("9","7","7","6","8","2","1") = "8"
    & skf18("9","7","7","6","8","3","1") = "8"
    & skf18("9","7","7","6","8","4","1") = "8"
    & skf18("9","7","7","6","8","5","1") = "8"
    & skf18("9","7","7","6","8","6","1") = "8"
    & skf18("9","7","7","6","8","7","1") = "8"
    & skf18("9","7","7","6","8","8","1") = "8"
    & skf18("9","7","7","6","8","9","1") = "8"
    & skf18("9","7","7","6","8","10","1") = "9"
    & skf18("9","7","7","6","9","1","1") = "8"
    & skf18("9","7","7","6","9","2","1") = "8"
    & skf18("9","7","7","6","9","3","1") = "8"
    & skf18("9","7","7","6","9","4","1") = "8"
    & skf18("9","7","7","6","9","5","1") = "8"
    & skf18("9","7","7","6","9","6","1") = "8"
    & skf18("9","7","7","6","9","7","1") = "8"
    & skf18("9","7","7","6","9","8","1") = "8"
    & skf18("9","7","7","6","9","9","1") = "8"
    & skf18("9","7","7","6","9","10","1") = "9"
    & skf18("9","7","7","6","10","1","1") = "9"
    & skf18("9","7","7","6","10","2","1") = "9"
    & skf18("9","7","7","6","10","3","1") = "9"
    & skf18("9","7","7","6","10","4","1") = "9"
    & skf18("9","7","7","6","10","5","1") = "9"
    & skf18("9","7","7","6","10","6","1") = "9"
    & skf18("9","7","7","6","10","7","1") = "9"
    & skf18("9","7","7","6","10","8","1") = "9"
    & skf18("9","7","7","6","10","9","1") = "9"
    & skf18("9","7","7","6","10","10","1") = "9"
    & skf18("9","7","7","7","1","1","1") = "8"
    & skf18("9","7","7","7","1","2","1") = "8"
    & skf18("9","7","7","7","1","3","1") = "8"
    & skf18("9","7","7","7","1","4","1") = "8"
    & skf18("9","7","7","7","1","5","1") = "8"
    & skf18("9","7","7","7","1","6","1") = "8"
    & skf18("9","7","7","7","1","7","1") = "8"
    & skf18("9","7","7","7","1","8","1") = "8"
    & skf18("9","7","7","7","1","9","1") = "8"
    & skf18("9","7","7","7","1","10","1") = "9"
    & skf18("9","7","7","7","2","1","1") = "8"
    & skf18("9","7","7","7","2","2","1") = "8"
    & skf18("9","7","7","7","2","3","1") = "8"
    & skf18("9","7","7","7","2","4","1") = "8"
    & skf18("9","7","7","7","2","5","1") = "8"
    & skf18("9","7","7","7","2","6","1") = "8"
    & skf18("9","7","7","7","2","7","1") = "8"
    & skf18("9","7","7","7","2","8","1") = "8"
    & skf18("9","7","7","7","2","9","1") = "8"
    & skf18("9","7","7","7","2","10","1") = "9"
    & skf18("9","7","7","7","3","1","1") = "8"
    & skf18("9","7","7","7","3","2","1") = "8"
    & skf18("9","7","7","7","3","3","1") = "8"
    & skf18("9","7","7","7","3","4","1") = "8"
    & skf18("9","7","7","7","3","5","1") = "8"
    & skf18("9","7","7","7","3","6","1") = "8"
    & skf18("9","7","7","7","3","7","1") = "8"
    & skf18("9","7","7","7","3","8","1") = "8"
    & skf18("9","7","7","7","3","9","1") = "8"
    & skf18("9","7","7","7","3","10","1") = "9"
    & skf18("9","7","7","7","4","1","1") = "8"
    & skf18("9","7","7","7","4","2","1") = "8"
    & skf18("9","7","7","7","4","3","1") = "8"
    & skf18("9","7","7","7","4","4","1") = "8"
    & skf18("9","7","7","7","4","5","1") = "8"
    & skf18("9","7","7","7","4","6","1") = "8"
    & skf18("9","7","7","7","4","7","1") = "8"
    & skf18("9","7","7","7","4","8","1") = "8"
    & skf18("9","7","7","7","4","9","1") = "8"
    & skf18("9","7","7","7","4","10","1") = "9"
    & skf18("9","7","7","7","5","1","1") = "8"
    & skf18("9","7","7","7","5","2","1") = "8"
    & skf18("9","7","7","7","5","3","1") = "8"
    & skf18("9","7","7","7","5","4","1") = "8"
    & skf18("9","7","7","7","5","5","1") = "8"
    & skf18("9","7","7","7","5","6","1") = "8"
    & skf18("9","7","7","7","5","7","1") = "8"
    & skf18("9","7","7","7","5","8","1") = "8"
    & skf18("9","7","7","7","5","9","1") = "8"
    & skf18("9","7","7","7","5","10","1") = "9"
    & skf18("9","7","7","7","6","1","1") = "8"
    & skf18("9","7","7","7","6","2","1") = "8"
    & skf18("9","7","7","7","6","3","1") = "8"
    & skf18("9","7","7","7","6","4","1") = "8"
    & skf18("9","7","7","7","6","5","1") = "8"
    & skf18("9","7","7","7","6","6","1") = "8"
    & skf18("9","7","7","7","6","7","1") = "8"
    & skf18("9","7","7","7","6","8","1") = "8"
    & skf18("9","7","7","7","6","9","1") = "8"
    & skf18("9","7","7","7","6","10","1") = "9"
    & skf18("9","7","7","7","7","1","1") = "8"
    & skf18("9","7","7","7","7","2","1") = "8"
    & skf18("9","7","7","7","7","3","1") = "8"
    & skf18("9","7","7","7","7","4","1") = "8"
    & skf18("9","7","7","7","7","5","1") = "8"
    & skf18("9","7","7","7","7","6","1") = "8"
    & skf18("9","7","7","7","7","7","1") = "8"
    & skf18("9","7","7","7","7","8","1") = "8"
    & skf18("9","7","7","7","7","9","1") = "8"
    & skf18("9","7","7","7","7","10","1") = "9"
    & skf18("9","7","7","7","8","1","1") = "8"
    & skf18("9","7","7","7","8","2","1") = "8"
    & skf18("9","7","7","7","8","3","1") = "8"
    & skf18("9","7","7","7","8","4","1") = "8"
    & skf18("9","7","7","7","8","5","1") = "8"
    & skf18("9","7","7","7","8","6","1") = "8"
    & skf18("9","7","7","7","8","7","1") = "8"
    & skf18("9","7","7","7","8","8","1") = "8"
    & skf18("9","7","7","7","8","9","1") = "8"
    & skf18("9","7","7","7","8","10","1") = "9"
    & skf18("9","7","7","7","9","1","1") = "8"
    & skf18("9","7","7","7","9","2","1") = "8"
    & skf18("9","7","7","7","9","3","1") = "8"
    & skf18("9","7","7","7","9","4","1") = "8"
    & skf18("9","7","7","7","9","5","1") = "8"
    & skf18("9","7","7","7","9","6","1") = "8"
    & skf18("9","7","7","7","9","7","1") = "8"
    & skf18("9","7","7","7","9","8","1") = "8"
    & skf18("9","7","7","7","9","9","1") = "8"
    & skf18("9","7","7","7","9","10","1") = "9"
    & skf18("9","7","7","7","10","1","1") = "9"
    & skf18("9","7","7","7","10","2","1") = "9"
    & skf18("9","7","7","7","10","3","1") = "9"
    & skf18("9","7","7","7","10","4","1") = "9"
    & skf18("9","7","7","7","10","5","1") = "9"
    & skf18("9","7","7","7","10","6","1") = "9"
    & skf18("9","7","7","7","10","7","1") = "9"
    & skf18("9","7","7","7","10","8","1") = "9"
    & skf18("9","7","7","7","10","9","1") = "9"
    & skf18("9","7","7","7","10","10","1") = "9"
    & skf18("9","7","7","8","1","1","1") = "8"
    & skf18("9","7","7","8","1","2","1") = "8"
    & skf18("9","7","7","8","1","3","1") = "8"
    & skf18("9","7","7","8","1","4","1") = "8"
    & skf18("9","7","7","8","1","5","1") = "8"
    & skf18("9","7","7","8","1","6","1") = "8"
    & skf18("9","7","7","8","1","7","1") = "8"
    & skf18("9","7","7","8","1","8","1") = "8"
    & skf18("9","7","7","8","1","9","1") = "8"
    & skf18("9","7","7","8","1","10","1") = "9"
    & skf18("9","7","7","8","2","1","1") = "8"
    & skf18("9","7","7","8","2","2","1") = "8"
    & skf18("9","7","7","8","2","3","1") = "8"
    & skf18("9","7","7","8","2","4","1") = "8"
    & skf18("9","7","7","8","2","5","1") = "8"
    & skf18("9","7","7","8","2","6","1") = "8"
    & skf18("9","7","7","8","2","7","1") = "8"
    & skf18("9","7","7","8","2","8","1") = "8"
    & skf18("9","7","7","8","2","9","1") = "8"
    & skf18("9","7","7","8","2","10","1") = "9"
    & skf18("9","7","7","8","3","1","1") = "8"
    & skf18("9","7","7","8","3","2","1") = "8"
    & skf18("9","7","7","8","3","3","1") = "8"
    & skf18("9","7","7","8","3","4","1") = "8"
    & skf18("9","7","7","8","3","5","1") = "8"
    & skf18("9","7","7","8","3","6","1") = "8"
    & skf18("9","7","7","8","3","7","1") = "8"
    & skf18("9","7","7","8","3","8","1") = "8"
    & skf18("9","7","7","8","3","9","1") = "8"
    & skf18("9","7","7","8","3","10","1") = "9"
    & skf18("9","7","7","8","4","1","1") = "8"
    & skf18("9","7","7","8","4","2","1") = "8"
    & skf18("9","7","7","8","4","3","1") = "8"
    & skf18("9","7","7","8","4","4","1") = "8"
    & skf18("9","7","7","8","4","5","1") = "8"
    & skf18("9","7","7","8","4","6","1") = "8"
    & skf18("9","7","7","8","4","7","1") = "8"
    & skf18("9","7","7","8","4","8","1") = "8"
    & skf18("9","7","7","8","4","9","1") = "8"
    & skf18("9","7","7","8","4","10","1") = "9"
    & skf18("9","7","7","8","5","1","1") = "8"
    & skf18("9","7","7","8","5","2","1") = "8"
    & skf18("9","7","7","8","5","3","1") = "8"
    & skf18("9","7","7","8","5","4","1") = "8"
    & skf18("9","7","7","8","5","5","1") = "8"
    & skf18("9","7","7","8","5","6","1") = "8"
    & skf18("9","7","7","8","5","7","1") = "8"
    & skf18("9","7","7","8","5","8","1") = "8"
    & skf18("9","7","7","8","5","9","1") = "8"
    & skf18("9","7","7","8","5","10","1") = "9"
    & skf18("9","7","7","8","6","1","1") = "8"
    & skf18("9","7","7","8","6","2","1") = "8"
    & skf18("9","7","7","8","6","3","1") = "8"
    & skf18("9","7","7","8","6","4","1") = "8"
    & skf18("9","7","7","8","6","5","1") = "8"
    & skf18("9","7","7","8","6","6","1") = "8"
    & skf18("9","7","7","8","6","7","1") = "8"
    & skf18("9","7","7","8","6","8","1") = "8"
    & skf18("9","7","7","8","6","9","1") = "8"
    & skf18("9","7","7","8","6","10","1") = "9"
    & skf18("9","7","7","8","7","1","1") = "8"
    & skf18("9","7","7","8","7","2","1") = "8"
    & skf18("9","7","7","8","7","3","1") = "8"
    & skf18("9","7","7","8","7","4","1") = "8"
    & skf18("9","7","7","8","7","5","1") = "8"
    & skf18("9","7","7","8","7","6","1") = "8"
    & skf18("9","7","7","8","7","7","1") = "8"
    & skf18("9","7","7","8","7","8","1") = "8"
    & skf18("9","7","7","8","7","9","1") = "8"
    & skf18("9","7","7","8","7","10","1") = "9"
    & skf18("9","7","7","8","8","1","1") = "8"
    & skf18("9","7","7","8","8","2","1") = "8"
    & skf18("9","7","7","8","8","3","1") = "8"
    & skf18("9","7","7","8","8","4","1") = "8"
    & skf18("9","7","7","8","8","5","1") = "8"
    & skf18("9","7","7","8","8","6","1") = "8"
    & skf18("9","7","7","8","8","7","1") = "8"
    & skf18("9","7","7","8","8","8","1") = "8"
    & skf18("9","7","7","8","8","9","1") = "8"
    & skf18("9","7","7","8","8","10","1") = "9"
    & skf18("9","7","7","8","9","1","1") = "8"
    & skf18("9","7","7","8","9","2","1") = "8"
    & skf18("9","7","7","8","9","3","1") = "8"
    & skf18("9","7","7","8","9","4","1") = "8"
    & skf18("9","7","7","8","9","5","1") = "8"
    & skf18("9","7","7","8","9","6","1") = "8"
    & skf18("9","7","7","8","9","7","1") = "8"
    & skf18("9","7","7","8","9","8","1") = "8"
    & skf18("9","7","7","8","9","9","1") = "8"
    & skf18("9","7","7","8","9","10","1") = "9"
    & skf18("9","7","7","8","10","1","1") = "9"
    & skf18("9","7","7","8","10","2","1") = "9"
    & skf18("9","7","7","8","10","3","1") = "9"
    & skf18("9","7","7","8","10","4","1") = "9"
    & skf18("9","7","7","8","10","5","1") = "9"
    & skf18("9","7","7","8","10","6","1") = "9"
    & skf18("9","7","7","8","10","7","1") = "9"
    & skf18("9","7","7","8","10","8","1") = "9"
    & skf18("9","7","7","8","10","9","1") = "9"
    & skf18("9","7","7","8","10","10","1") = "9"
    & skf18("9","7","7","9","1","1","1") = "8"
    & skf18("9","7","7","9","1","2","1") = "8"
    & skf18("9","7","7","9","1","3","1") = "8"
    & skf18("9","7","7","9","1","4","1") = "8"
    & skf18("9","7","7","9","1","5","1") = "8"
    & skf18("9","7","7","9","1","6","1") = "8"
    & skf18("9","7","7","9","1","7","1") = "8"
    & skf18("9","7","7","9","1","8","1") = "8"
    & skf18("9","7","7","9","1","9","1") = "8"
    & skf18("9","7","7","9","1","10","1") = "9"
    & skf18("9","7","7","9","2","1","1") = "8"
    & skf18("9","7","7","9","2","2","1") = "8"
    & skf18("9","7","7","9","2","3","1") = "8"
    & skf18("9","7","7","9","2","4","1") = "8"
    & skf18("9","7","7","9","2","5","1") = "8"
    & skf18("9","7","7","9","2","6","1") = "8"
    & skf18("9","7","7","9","2","7","1") = "8"
    & skf18("9","7","7","9","2","8","1") = "8"
    & skf18("9","7","7","9","2","9","1") = "8"
    & skf18("9","7","7","9","2","10","1") = "9"
    & skf18("9","7","7","9","3","1","1") = "8"
    & skf18("9","7","7","9","3","2","1") = "8"
    & skf18("9","7","7","9","3","3","1") = "8"
    & skf18("9","7","7","9","3","4","1") = "8"
    & skf18("9","7","7","9","3","5","1") = "8"
    & skf18("9","7","7","9","3","6","1") = "8"
    & skf18("9","7","7","9","3","7","1") = "8"
    & skf18("9","7","7","9","3","8","1") = "8"
    & skf18("9","7","7","9","3","9","1") = "8"
    & skf18("9","7","7","9","3","10","1") = "9"
    & skf18("9","7","7","9","4","1","1") = "8"
    & skf18("9","7","7","9","4","2","1") = "8"
    & skf18("9","7","7","9","4","3","1") = "8"
    & skf18("9","7","7","9","4","4","1") = "8"
    & skf18("9","7","7","9","4","5","1") = "8"
    & skf18("9","7","7","9","4","6","1") = "8"
    & skf18("9","7","7","9","4","7","1") = "8"
    & skf18("9","7","7","9","4","8","1") = "8"
    & skf18("9","7","7","9","4","9","1") = "8"
    & skf18("9","7","7","9","4","10","1") = "9"
    & skf18("9","7","7","9","5","1","1") = "8"
    & skf18("9","7","7","9","5","2","1") = "8"
    & skf18("9","7","7","9","5","3","1") = "8"
    & skf18("9","7","7","9","5","4","1") = "8"
    & skf18("9","7","7","9","5","5","1") = "8"
    & skf18("9","7","7","9","5","6","1") = "8"
    & skf18("9","7","7","9","5","7","1") = "8"
    & skf18("9","7","7","9","5","8","1") = "8"
    & skf18("9","7","7","9","5","9","1") = "8"
    & skf18("9","7","7","9","5","10","1") = "9"
    & skf18("9","7","7","9","6","1","1") = "8"
    & skf18("9","7","7","9","6","2","1") = "8"
    & skf18("9","7","7","9","6","3","1") = "8"
    & skf18("9","7","7","9","6","4","1") = "8"
    & skf18("9","7","7","9","6","5","1") = "8"
    & skf18("9","7","7","9","6","6","1") = "8"
    & skf18("9","7","7","9","6","7","1") = "8"
    & skf18("9","7","7","9","6","8","1") = "8"
    & skf18("9","7","7","9","6","9","1") = "8"
    & skf18("9","7","7","9","6","10","1") = "9"
    & skf18("9","7","7","9","7","1","1") = "8"
    & skf18("9","7","7","9","7","2","1") = "8"
    & skf18("9","7","7","9","7","3","1") = "8"
    & skf18("9","7","7","9","7","4","1") = "8"
    & skf18("9","7","7","9","7","5","1") = "8"
    & skf18("9","7","7","9","7","6","1") = "8"
    & skf18("9","7","7","9","7","7","1") = "8"
    & skf18("9","7","7","9","7","8","1") = "8"
    & skf18("9","7","7","9","7","9","1") = "8"
    & skf18("9","7","7","9","7","10","1") = "9"
    & skf18("9","7","7","9","8","1","1") = "8"
    & skf18("9","7","7","9","8","2","1") = "8"
    & skf18("9","7","7","9","8","3","1") = "8"
    & skf18("9","7","7","9","8","4","1") = "8"
    & skf18("9","7","7","9","8","5","1") = "8"
    & skf18("9","7","7","9","8","6","1") = "8"
    & skf18("9","7","7","9","8","7","1") = "8"
    & skf18("9","7","7","9","8","8","1") = "8"
    & skf18("9","7","7","9","8","9","1") = "8"
    & skf18("9","7","7","9","8","10","1") = "9"
    & skf18("9","7","7","9","9","1","1") = "8"
    & skf18("9","7","7","9","9","2","1") = "8"
    & skf18("9","7","7","9","9","3","1") = "8"
    & skf18("9","7","7","9","9","4","1") = "8"
    & skf18("9","7","7","9","9","5","1") = "8"
    & skf18("9","7","7","9","9","6","1") = "8"
    & skf18("9","7","7","9","9","7","1") = "8"
    & skf18("9","7","7","9","9","8","1") = "8"
    & skf18("9","7","7","9","9","9","1") = "8"
    & skf18("9","7","7","9","9","10","1") = "9"
    & skf18("9","7","7","9","10","1","1") = "9"
    & skf18("9","7","7","9","10","2","1") = "9"
    & skf18("9","7","7","9","10","3","1") = "9"
    & skf18("9","7","7","9","10","4","1") = "9"
    & skf18("9","7","7","9","10","5","1") = "9"
    & skf18("9","7","7","9","10","6","1") = "9"
    & skf18("9","7","7","9","10","7","1") = "9"
    & skf18("9","7","7","9","10","8","1") = "9"
    & skf18("9","7","7","9","10","9","1") = "9"
    & skf18("9","7","7","9","10","10","1") = "9"
    & skf18("9","7","7","10","1","1","1") = "9"
    & skf18("9","7","7","10","1","2","1") = "9"
    & skf18("9","7","7","10","1","3","1") = "9"
    & skf18("9","7","7","10","1","4","1") = "9"
    & skf18("9","7","7","10","1","5","1") = "9"
    & skf18("9","7","7","10","1","6","1") = "9"
    & skf18("9","7","7","10","1","7","1") = "9"
    & skf18("9","7","7","10","1","8","1") = "9"
    & skf18("9","7","7","10","1","9","1") = "9"
    & skf18("9","7","7","10","1","10","1") = "9"
    & skf18("9","7","7","10","2","1","1") = "9"
    & skf18("9","7","7","10","2","2","1") = "9"
    & skf18("9","7","7","10","2","3","1") = "9"
    & skf18("9","7","7","10","2","4","1") = "9"
    & skf18("9","7","7","10","2","5","1") = "9"
    & skf18("9","7","7","10","2","6","1") = "9"
    & skf18("9","7","7","10","2","7","1") = "9"
    & skf18("9","7","7","10","2","8","1") = "9"
    & skf18("9","7","7","10","2","9","1") = "9"
    & skf18("9","7","7","10","2","10","1") = "9"
    & skf18("9","7","7","10","3","1","1") = "9"
    & skf18("9","7","7","10","3","2","1") = "9"
    & skf18("9","7","7","10","3","3","1") = "9"
    & skf18("9","7","7","10","3","4","1") = "9"
    & skf18("9","7","7","10","3","5","1") = "9"
    & skf18("9","7","7","10","3","6","1") = "9"
    & skf18("9","7","7","10","3","7","1") = "9"
    & skf18("9","7","7","10","3","8","1") = "9"
    & skf18("9","7","7","10","3","9","1") = "9"
    & skf18("9","7","7","10","3","10","1") = "9"
    & skf18("9","7","7","10","4","1","1") = "9"
    & skf18("9","7","7","10","4","2","1") = "9"
    & skf18("9","7","7","10","4","3","1") = "9"
    & skf18("9","7","7","10","4","4","1") = "9"
    & skf18("9","7","7","10","4","5","1") = "9"
    & skf18("9","7","7","10","4","6","1") = "9"
    & skf18("9","7","7","10","4","7","1") = "9"
    & skf18("9","7","7","10","4","8","1") = "9"
    & skf18("9","7","7","10","4","9","1") = "9"
    & skf18("9","7","7","10","4","10","1") = "9"
    & skf18("9","7","7","10","5","1","1") = "9"
    & skf18("9","7","7","10","5","2","1") = "9"
    & skf18("9","7","7","10","5","3","1") = "9"
    & skf18("9","7","7","10","5","4","1") = "9"
    & skf18("9","7","7","10","5","5","1") = "9"
    & skf18("9","7","7","10","5","6","1") = "9"
    & skf18("9","7","7","10","5","7","1") = "9"
    & skf18("9","7","7","10","5","8","1") = "9"
    & skf18("9","7","7","10","5","9","1") = "9"
    & skf18("9","7","7","10","5","10","1") = "9"
    & skf18("9","7","7","10","6","1","1") = "9"
    & skf18("9","7","7","10","6","2","1") = "9"
    & skf18("9","7","7","10","6","3","1") = "9"
    & skf18("9","7","7","10","6","4","1") = "9"
    & skf18("9","7","7","10","6","5","1") = "9"
    & skf18("9","7","7","10","6","6","1") = "9"
    & skf18("9","7","7","10","6","7","1") = "9"
    & skf18("9","7","7","10","6","8","1") = "9"
    & skf18("9","7","7","10","6","9","1") = "9"
    & skf18("9","7","7","10","6","10","1") = "9"
    & skf18("9","7","7","10","7","1","1") = "9"
    & skf18("9","7","7","10","7","2","1") = "9"
    & skf18("9","7","7","10","7","3","1") = "9"
    & skf18("9","7","7","10","7","4","1") = "9"
    & skf18("9","7","7","10","7","5","1") = "9"
    & skf18("9","7","7","10","7","6","1") = "9"
    & skf18("9","7","7","10","7","7","1") = "9"
    & skf18("9","7","7","10","7","8","1") = "9"
    & skf18("9","7","7","10","7","9","1") = "9"
    & skf18("9","7","7","10","7","10","1") = "9"
    & skf18("9","7","7","10","8","1","1") = "9"
    & skf18("9","7","7","10","8","2","1") = "9"
    & skf18("9","7","7","10","8","3","1") = "9"
    & skf18("9","7","7","10","8","4","1") = "9"
    & skf18("9","7","7","10","8","5","1") = "9"
    & skf18("9","7","7","10","8","6","1") = "9"
    & skf18("9","7","7","10","8","7","1") = "9"
    & skf18("9","7","7","10","8","8","1") = "9"
    & skf18("9","7","7","10","8","9","1") = "9"
    & skf18("9","7","7","10","8","10","1") = "9"
    & skf18("9","7","7","10","9","1","1") = "9"
    & skf18("9","7","7","10","9","2","1") = "9"
    & skf18("9","7","7","10","9","3","1") = "9"
    & skf18("9","7","7","10","9","4","1") = "9"
    & skf18("9","7","7","10","9","5","1") = "9"
    & skf18("9","7","7","10","9","6","1") = "9"
    & skf18("9","7","7","10","9","7","1") = "9"
    & skf18("9","7","7","10","9","8","1") = "9"
    & skf18("9","7","7","10","9","9","1") = "9"
    & skf18("9","7","7","10","9","10","1") = "9"
    & skf18("9","7","7","10","10","1","1") = "9"
    & skf18("9","7","7","10","10","2","1") = "9"
    & skf18("9","7","7","10","10","3","1") = "9"
    & skf18("9","7","7","10","10","4","1") = "9"
    & skf18("9","7","7","10","10","5","1") = "9"
    & skf18("9","7","7","10","10","6","1") = "9"
    & skf18("9","7","7","10","10","7","1") = "9"
    & skf18("9","7","7","10","10","8","1") = "9"
    & skf18("9","7","7","10","10","9","1") = "9"
    & skf18("9","7","7","10","10","10","1") = "9"
    & skf18("9","7","8","1","1","1","1") = "8"
    & skf18("9","7","8","1","1","2","1") = "8"
    & skf18("9","7","8","1","1","3","1") = "8"
    & skf18("9","7","8","1","1","4","1") = "8"
    & skf18("9","7","8","1","1","5","1") = "8"
    & skf18("9","7","8","1","1","6","1") = "8"
    & skf18("9","7","8","1","1","7","1") = "8"
    & skf18("9","7","8","1","1","8","1") = "8"
    & skf18("9","7","8","1","1","9","1") = "8"
    & skf18("9","7","8","1","1","10","1") = "9"
    & skf18("9","7","8","1","2","1","1") = "8"
    & skf18("9","7","8","1","2","2","1") = "8"
    & skf18("9","7","8","1","2","3","1") = "8"
    & skf18("9","7","8","1","2","4","1") = "8"
    & skf18("9","7","8","1","2","5","1") = "8"
    & skf18("9","7","8","1","2","6","1") = "8"
    & skf18("9","7","8","1","2","7","1") = "8"
    & skf18("9","7","8","1","2","8","1") = "8"
    & skf18("9","7","8","1","2","9","1") = "8"
    & skf18("9","7","8","1","2","10","1") = "9"
    & skf18("9","7","8","1","3","1","1") = "8"
    & skf18("9","7","8","1","3","2","1") = "8"
    & skf18("9","7","8","1","3","3","1") = "8"
    & skf18("9","7","8","1","3","4","1") = "8"
    & skf18("9","7","8","1","3","5","1") = "8"
    & skf18("9","7","8","1","3","6","1") = "8"
    & skf18("9","7","8","1","3","7","1") = "8"
    & skf18("9","7","8","1","3","8","1") = "8"
    & skf18("9","7","8","1","3","9","1") = "8"
    & skf18("9","7","8","1","3","10","1") = "9"
    & skf18("9","7","8","1","4","1","1") = "8"
    & skf18("9","7","8","1","4","2","1") = "8"
    & skf18("9","7","8","1","4","3","1") = "8"
    & skf18("9","7","8","1","4","4","1") = "8"
    & skf18("9","7","8","1","4","5","1") = "8"
    & skf18("9","7","8","1","4","6","1") = "8"
    & skf18("9","7","8","1","4","7","1") = "8"
    & skf18("9","7","8","1","4","8","1") = "8"
    & skf18("9","7","8","1","4","9","1") = "8"
    & skf18("9","7","8","1","4","10","1") = "9"
    & skf18("9","7","8","1","5","1","1") = "8"
    & skf18("9","7","8","1","5","2","1") = "8"
    & skf18("9","7","8","1","5","3","1") = "8"
    & skf18("9","7","8","1","5","4","1") = "8"
    & skf18("9","7","8","1","5","5","1") = "8"
    & skf18("9","7","8","1","5","6","1") = "8"
    & skf18("9","7","8","1","5","7","1") = "8"
    & skf18("9","7","8","1","5","8","1") = "8"
    & skf18("9","7","8","1","5","9","1") = "8"
    & skf18("9","7","8","1","5","10","1") = "9"
    & skf18("9","7","8","1","6","1","1") = "8"
    & skf18("9","7","8","1","6","2","1") = "8"
    & skf18("9","7","8","1","6","3","1") = "8"
    & skf18("9","7","8","1","6","4","1") = "8"
    & skf18("9","7","8","1","6","5","1") = "8"
    & skf18("9","7","8","1","6","6","1") = "8"
    & skf18("9","7","8","1","6","7","1") = "8"
    & skf18("9","7","8","1","6","8","1") = "8"
    & skf18("9","7","8","1","6","9","1") = "8"
    & skf18("9","7","8","1","6","10","1") = "9"
    & skf18("9","7","8","1","7","1","1") = "8"
    & skf18("9","7","8","1","7","2","1") = "8"
    & skf18("9","7","8","1","7","3","1") = "8"
    & skf18("9","7","8","1","7","4","1") = "8"
    & skf18("9","7","8","1","7","5","1") = "8"
    & skf18("9","7","8","1","7","6","1") = "8"
    & skf18("9","7","8","1","7","7","1") = "8"
    & skf18("9","7","8","1","7","8","1") = "8"
    & skf18("9","7","8","1","7","9","1") = "8"
    & skf18("9","7","8","1","7","10","1") = "9"
    & skf18("9","7","8","1","8","1","1") = "8"
    & skf18("9","7","8","1","8","2","1") = "8"
    & skf18("9","7","8","1","8","3","1") = "8"
    & skf18("9","7","8","1","8","4","1") = "8"
    & skf18("9","7","8","1","8","5","1") = "8"
    & skf18("9","7","8","1","8","6","1") = "8"
    & skf18("9","7","8","1","8","7","1") = "8"
    & skf18("9","7","8","1","8","8","1") = "8"
    & skf18("9","7","8","1","8","9","1") = "8"
    & skf18("9","7","8","1","8","10","1") = "9"
    & skf18("9","7","8","1","9","1","1") = "8"
    & skf18("9","7","8","1","9","2","1") = "8"
    & skf18("9","7","8","1","9","3","1") = "8"
    & skf18("9","7","8","1","9","4","1") = "8"
    & skf18("9","7","8","1","9","5","1") = "8"
    & skf18("9","7","8","1","9","6","1") = "8"
    & skf18("9","7","8","1","9","7","1") = "8"
    & skf18("9","7","8","1","9","8","1") = "8"
    & skf18("9","7","8","1","9","9","1") = "8"
    & skf18("9","7","8","1","9","10","1") = "9"
    & skf18("9","7","8","1","10","1","1") = "9"
    & skf18("9","7","8","1","10","2","1") = "9"
    & skf18("9","7","8","1","10","3","1") = "9"
    & skf18("9","7","8","1","10","4","1") = "9"
    & skf18("9","7","8","1","10","5","1") = "9"
    & skf18("9","7","8","1","10","6","1") = "9"
    & skf18("9","7","8","1","10","7","1") = "9"
    & skf18("9","7","8","1","10","8","1") = "9"
    & skf18("9","7","8","1","10","9","1") = "9"
    & skf18("9","7","8","1","10","10","1") = "9"
    & skf18("9","7","8","2","1","1","1") = "8"
    & skf18("9","7","8","2","1","2","1") = "8"
    & skf18("9","7","8","2","1","3","1") = "8"
    & skf18("9","7","8","2","1","4","1") = "8"
    & skf18("9","7","8","2","1","5","1") = "8"
    & skf18("9","7","8","2","1","6","1") = "8"
    & skf18("9","7","8","2","1","7","1") = "8"
    & skf18("9","7","8","2","1","8","1") = "8"
    & skf18("9","7","8","2","1","9","1") = "8"
    & skf18("9","7","8","2","1","10","1") = "9"
    & skf18("9","7","8","2","2","1","1") = "8"
    & skf18("9","7","8","2","2","2","1") = "8"
    & skf18("9","7","8","2","2","3","1") = "8"
    & skf18("9","7","8","2","2","4","1") = "8"
    & skf18("9","7","8","2","2","5","1") = "8"
    & skf18("9","7","8","2","2","6","1") = "8"
    & skf18("9","7","8","2","2","7","1") = "8"
    & skf18("9","7","8","2","2","8","1") = "8"
    & skf18("9","7","8","2","2","9","1") = "8"
    & skf18("9","7","8","2","2","10","1") = "9"
    & skf18("9","7","8","2","3","1","1") = "8"
    & skf18("9","7","8","2","3","2","1") = "8"
    & skf18("9","7","8","2","3","3","1") = "8"
    & skf18("9","7","8","2","3","4","1") = "8"
    & skf18("9","7","8","2","3","5","1") = "8"
    & skf18("9","7","8","2","3","6","1") = "8"
    & skf18("9","7","8","2","3","7","1") = "8"
    & skf18("9","7","8","2","3","8","1") = "8"
    & skf18("9","7","8","2","3","9","1") = "8"
    & skf18("9","7","8","2","3","10","1") = "9"
    & skf18("9","7","8","2","4","1","1") = "8"
    & skf18("9","7","8","2","4","2","1") = "8"
    & skf18("9","7","8","2","4","3","1") = "8"
    & skf18("9","7","8","2","4","4","1") = "8"
    & skf18("9","7","8","2","4","5","1") = "8"
    & skf18("9","7","8","2","4","6","1") = "8"
    & skf18("9","7","8","2","4","7","1") = "8"
    & skf18("9","7","8","2","4","8","1") = "8"
    & skf18("9","7","8","2","4","9","1") = "8"
    & skf18("9","7","8","2","4","10","1") = "9"
    & skf18("9","7","8","2","5","1","1") = "8"
    & skf18("9","7","8","2","5","2","1") = "8"
    & skf18("9","7","8","2","5","3","1") = "8"
    & skf18("9","7","8","2","5","4","1") = "8"
    & skf18("9","7","8","2","5","5","1") = "8"
    & skf18("9","7","8","2","5","6","1") = "8"
    & skf18("9","7","8","2","5","7","1") = "8"
    & skf18("9","7","8","2","5","8","1") = "8"
    & skf18("9","7","8","2","5","9","1") = "8"
    & skf18("9","7","8","2","5","10","1") = "9"
    & skf18("9","7","8","2","6","1","1") = "8"
    & skf18("9","7","8","2","6","2","1") = "8"
    & skf18("9","7","8","2","6","3","1") = "8"
    & skf18("9","7","8","2","6","4","1") = "8"
    & skf18("9","7","8","2","6","5","1") = "8"
    & skf18("9","7","8","2","6","6","1") = "8"
    & skf18("9","7","8","2","6","7","1") = "8"
    & skf18("9","7","8","2","6","8","1") = "8"
    & skf18("9","7","8","2","6","9","1") = "8"
    & skf18("9","7","8","2","6","10","1") = "9"
    & skf18("9","7","8","2","7","1","1") = "8"
    & skf18("9","7","8","2","7","2","1") = "8"
    & skf18("9","7","8","2","7","3","1") = "8"
    & skf18("9","7","8","2","7","4","1") = "8"
    & skf18("9","7","8","2","7","5","1") = "8"
    & skf18("9","7","8","2","7","6","1") = "8"
    & skf18("9","7","8","2","7","7","1") = "8"
    & skf18("9","7","8","2","7","8","1") = "8"
    & skf18("9","7","8","2","7","9","1") = "8"
    & skf18("9","7","8","2","7","10","1") = "9"
    & skf18("9","7","8","2","8","1","1") = "8"
    & skf18("9","7","8","2","8","2","1") = "8"
    & skf18("9","7","8","2","8","3","1") = "8"
    & skf18("9","7","8","2","8","4","1") = "8"
    & skf18("9","7","8","2","8","5","1") = "8"
    & skf18("9","7","8","2","8","6","1") = "8"
    & skf18("9","7","8","2","8","7","1") = "8"
    & skf18("9","7","8","2","8","8","1") = "8"
    & skf18("9","7","8","2","8","9","1") = "8"
    & skf18("9","7","8","2","8","10","1") = "9"
    & skf18("9","7","8","2","9","1","1") = "8"
    & skf18("9","7","8","2","9","2","1") = "8"
    & skf18("9","7","8","2","9","3","1") = "8"
    & skf18("9","7","8","2","9","4","1") = "8"
    & skf18("9","7","8","2","9","5","1") = "8"
    & skf18("9","7","8","2","9","6","1") = "8"
    & skf18("9","7","8","2","9","7","1") = "8"
    & skf18("9","7","8","2","9","8","1") = "8"
    & skf18("9","7","8","2","9","9","1") = "8"
    & skf18("9","7","8","2","9","10","1") = "9"
    & skf18("9","7","8","2","10","1","1") = "9"
    & skf18("9","7","8","2","10","2","1") = "9"
    & skf18("9","7","8","2","10","3","1") = "9"
    & skf18("9","7","8","2","10","4","1") = "9"
    & skf18("9","7","8","2","10","5","1") = "9"
    & skf18("9","7","8","2","10","6","1") = "9"
    & skf18("9","7","8","2","10","7","1") = "9"
    & skf18("9","7","8","2","10","8","1") = "9"
    & skf18("9","7","8","2","10","9","1") = "9"
    & skf18("9","7","8","2","10","10","1") = "9"
    & skf18("9","7","8","3","1","1","1") = "8"
    & skf18("9","7","8","3","1","2","1") = "8"
    & skf18("9","7","8","3","1","3","1") = "8"
    & skf18("9","7","8","3","1","4","1") = "8"
    & skf18("9","7","8","3","1","5","1") = "8"
    & skf18("9","7","8","3","1","6","1") = "8"
    & skf18("9","7","8","3","1","7","1") = "8"
    & skf18("9","7","8","3","1","8","1") = "8"
    & skf18("9","7","8","3","1","9","1") = "8"
    & skf18("9","7","8","3","1","10","1") = "9"
    & skf18("9","7","8","3","2","1","1") = "8"
    & skf18("9","7","8","3","2","2","1") = "8"
    & skf18("9","7","8","3","2","3","1") = "8"
    & skf18("9","7","8","3","2","4","1") = "8"
    & skf18("9","7","8","3","2","5","1") = "8"
    & skf18("9","7","8","3","2","6","1") = "8"
    & skf18("9","7","8","3","2","7","1") = "8"
    & skf18("9","7","8","3","2","8","1") = "8"
    & skf18("9","7","8","3","2","9","1") = "8"
    & skf18("9","7","8","3","2","10","1") = "9"
    & skf18("9","7","8","3","3","1","1") = "8"
    & skf18("9","7","8","3","3","2","1") = "8"
    & skf18("9","7","8","3","3","3","1") = "8"
    & skf18("9","7","8","3","3","4","1") = "8"
    & skf18("9","7","8","3","3","5","1") = "8"
    & skf18("9","7","8","3","3","6","1") = "8"
    & skf18("9","7","8","3","3","7","1") = "8"
    & skf18("9","7","8","3","3","8","1") = "8"
    & skf18("9","7","8","3","3","9","1") = "8"
    & skf18("9","7","8","3","3","10","1") = "9"
    & skf18("9","7","8","3","4","1","1") = "8"
    & skf18("9","7","8","3","4","2","1") = "8"
    & skf18("9","7","8","3","4","3","1") = "8"
    & skf18("9","7","8","3","4","4","1") = "8"
    & skf18("9","7","8","3","4","5","1") = "8"
    & skf18("9","7","8","3","4","6","1") = "8"
    & skf18("9","7","8","3","4","7","1") = "8"
    & skf18("9","7","8","3","4","8","1") = "8"
    & skf18("9","7","8","3","4","9","1") = "8"
    & skf18("9","7","8","3","4","10","1") = "9"
    & skf18("9","7","8","3","5","1","1") = "8"
    & skf18("9","7","8","3","5","2","1") = "8"
    & skf18("9","7","8","3","5","3","1") = "8"
    & skf18("9","7","8","3","5","4","1") = "8"
    & skf18("9","7","8","3","5","5","1") = "8"
    & skf18("9","7","8","3","5","6","1") = "8"
    & skf18("9","7","8","3","5","7","1") = "8"
    & skf18("9","7","8","3","5","8","1") = "8"
    & skf18("9","7","8","3","5","9","1") = "8"
    & skf18("9","7","8","3","5","10","1") = "9"
    & skf18("9","7","8","3","6","1","1") = "8"
    & skf18("9","7","8","3","6","2","1") = "8"
    & skf18("9","7","8","3","6","3","1") = "8"
    & skf18("9","7","8","3","6","4","1") = "8"
    & skf18("9","7","8","3","6","5","1") = "8"
    & skf18("9","7","8","3","6","6","1") = "8"
    & skf18("9","7","8","3","6","7","1") = "8"
    & skf18("9","7","8","3","6","8","1") = "8"
    & skf18("9","7","8","3","6","9","1") = "8"
    & skf18("9","7","8","3","6","10","1") = "9"
    & skf18("9","7","8","3","7","1","1") = "8"
    & skf18("9","7","8","3","7","2","1") = "8"
    & skf18("9","7","8","3","7","3","1") = "8"
    & skf18("9","7","8","3","7","4","1") = "8"
    & skf18("9","7","8","3","7","5","1") = "8"
    & skf18("9","7","8","3","7","6","1") = "8"
    & skf18("9","7","8","3","7","7","1") = "8"
    & skf18("9","7","8","3","7","8","1") = "8"
    & skf18("9","7","8","3","7","9","1") = "8"
    & skf18("9","7","8","3","7","10","1") = "9"
    & skf18("9","7","8","3","8","1","1") = "8"
    & skf18("9","7","8","3","8","2","1") = "8"
    & skf18("9","7","8","3","8","3","1") = "8"
    & skf18("9","7","8","3","8","4","1") = "8"
    & skf18("9","7","8","3","8","5","1") = "8"
    & skf18("9","7","8","3","8","6","1") = "8"
    & skf18("9","7","8","3","8","7","1") = "8"
    & skf18("9","7","8","3","8","8","1") = "8"
    & skf18("9","7","8","3","8","9","1") = "8"
    & skf18("9","7","8","3","8","10","1") = "9"
    & skf18("9","7","8","3","9","1","1") = "8"
    & skf18("9","7","8","3","9","2","1") = "8"
    & skf18("9","7","8","3","9","3","1") = "8"
    & skf18("9","7","8","3","9","4","1") = "8"
    & skf18("9","7","8","3","9","5","1") = "8"
    & skf18("9","7","8","3","9","6","1") = "8"
    & skf18("9","7","8","3","9","7","1") = "8"
    & skf18("9","7","8","3","9","8","1") = "8"
    & skf18("9","7","8","3","9","9","1") = "8"
    & skf18("9","7","8","3","9","10","1") = "9"
    & skf18("9","7","8","3","10","1","1") = "9"
    & skf18("9","7","8","3","10","2","1") = "9"
    & skf18("9","7","8","3","10","3","1") = "9"
    & skf18("9","7","8","3","10","4","1") = "9"
    & skf18("9","7","8","3","10","5","1") = "9"
    & skf18("9","7","8","3","10","6","1") = "9"
    & skf18("9","7","8","3","10","7","1") = "9"
    & skf18("9","7","8","3","10","8","1") = "9"
    & skf18("9","7","8","3","10","9","1") = "9"
    & skf18("9","7","8","3","10","10","1") = "9"
    & skf18("9","7","8","4","1","1","1") = "8"
    & skf18("9","7","8","4","1","2","1") = "8"
    & skf18("9","7","8","4","1","3","1") = "8"
    & skf18("9","7","8","4","1","4","1") = "8"
    & skf18("9","7","8","4","1","5","1") = "8"
    & skf18("9","7","8","4","1","6","1") = "8"
    & skf18("9","7","8","4","1","7","1") = "8"
    & skf18("9","7","8","4","1","8","1") = "8"
    & skf18("9","7","8","4","1","9","1") = "8"
    & skf18("9","7","8","4","1","10","1") = "9"
    & skf18("9","7","8","4","2","1","1") = "8"
    & skf18("9","7","8","4","2","2","1") = "8"
    & skf18("9","7","8","4","2","3","1") = "8"
    & skf18("9","7","8","4","2","4","1") = "8"
    & skf18("9","7","8","4","2","5","1") = "8"
    & skf18("9","7","8","4","2","6","1") = "8"
    & skf18("9","7","8","4","2","7","1") = "8"
    & skf18("9","7","8","4","2","8","1") = "8"
    & skf18("9","7","8","4","2","9","1") = "8"
    & skf18("9","7","8","4","2","10","1") = "9"
    & skf18("9","7","8","4","3","1","1") = "8"
    & skf18("9","7","8","4","3","2","1") = "8"
    & skf18("9","7","8","4","3","3","1") = "8"
    & skf18("9","7","8","4","3","4","1") = "8"
    & skf18("9","7","8","4","3","5","1") = "8"
    & skf18("9","7","8","4","3","6","1") = "8"
    & skf18("9","7","8","4","3","7","1") = "8"
    & skf18("9","7","8","4","3","8","1") = "8"
    & skf18("9","7","8","4","3","9","1") = "8"
    & skf18("9","7","8","4","3","10","1") = "9"
    & skf18("9","7","8","4","4","1","1") = "8"
    & skf18("9","7","8","4","4","2","1") = "8"
    & skf18("9","7","8","4","4","3","1") = "8"
    & skf18("9","7","8","4","4","4","1") = "8"
    & skf18("9","7","8","4","4","5","1") = "8"
    & skf18("9","7","8","4","4","6","1") = "8"
    & skf18("9","7","8","4","4","7","1") = "8"
    & skf18("9","7","8","4","4","8","1") = "8"
    & skf18("9","7","8","4","4","9","1") = "8"
    & skf18("9","7","8","4","4","10","1") = "9"
    & skf18("9","7","8","4","5","1","1") = "8"
    & skf18("9","7","8","4","5","2","1") = "8"
    & skf18("9","7","8","4","5","3","1") = "8"
    & skf18("9","7","8","4","5","4","1") = "8"
    & skf18("9","7","8","4","5","5","1") = "8"
    & skf18("9","7","8","4","5","6","1") = "8"
    & skf18("9","7","8","4","5","7","1") = "8"
    & skf18("9","7","8","4","5","8","1") = "8"
    & skf18("9","7","8","4","5","9","1") = "8"
    & skf18("9","7","8","4","5","10","1") = "9"
    & skf18("9","7","8","4","6","1","1") = "8"
    & skf18("9","7","8","4","6","2","1") = "8"
    & skf18("9","7","8","4","6","3","1") = "8"
    & skf18("9","7","8","4","6","4","1") = "8"
    & skf18("9","7","8","4","6","5","1") = "8"
    & skf18("9","7","8","4","6","6","1") = "8"
    & skf18("9","7","8","4","6","7","1") = "8"
    & skf18("9","7","8","4","6","8","1") = "8"
    & skf18("9","7","8","4","6","9","1") = "8"
    & skf18("9","7","8","4","6","10","1") = "9"
    & skf18("9","7","8","4","7","1","1") = "8"
    & skf18("9","7","8","4","7","2","1") = "8"
    & skf18("9","7","8","4","7","3","1") = "8"
    & skf18("9","7","8","4","7","4","1") = "8"
    & skf18("9","7","8","4","7","5","1") = "8"
    & skf18("9","7","8","4","7","6","1") = "8"
    & skf18("9","7","8","4","7","7","1") = "8"
    & skf18("9","7","8","4","7","8","1") = "8"
    & skf18("9","7","8","4","7","9","1") = "8"
    & skf18("9","7","8","4","7","10","1") = "9"
    & skf18("9","7","8","4","8","1","1") = "8"
    & skf18("9","7","8","4","8","2","1") = "8"
    & skf18("9","7","8","4","8","3","1") = "8"
    & skf18("9","7","8","4","8","4","1") = "8"
    & skf18("9","7","8","4","8","5","1") = "8"
    & skf18("9","7","8","4","8","6","1") = "8"
    & skf18("9","7","8","4","8","7","1") = "8"
    & skf18("9","7","8","4","8","8","1") = "8"
    & skf18("9","7","8","4","8","9","1") = "8"
    & skf18("9","7","8","4","8","10","1") = "9"
    & skf18("9","7","8","4","9","1","1") = "8"
    & skf18("9","7","8","4","9","2","1") = "8"
    & skf18("9","7","8","4","9","3","1") = "8"
    & skf18("9","7","8","4","9","4","1") = "8"
    & skf18("9","7","8","4","9","5","1") = "8"
    & skf18("9","7","8","4","9","6","1") = "8"
    & skf18("9","7","8","4","9","7","1") = "8"
    & skf18("9","7","8","4","9","8","1") = "8"
    & skf18("9","7","8","4","9","9","1") = "8"
    & skf18("9","7","8","4","9","10","1") = "9"
    & skf18("9","7","8","4","10","1","1") = "9"
    & skf18("9","7","8","4","10","2","1") = "9"
    & skf18("9","7","8","4","10","3","1") = "9"
    & skf18("9","7","8","4","10","4","1") = "9"
    & skf18("9","7","8","4","10","5","1") = "9"
    & skf18("9","7","8","4","10","6","1") = "9"
    & skf18("9","7","8","4","10","7","1") = "9"
    & skf18("9","7","8","4","10","8","1") = "9"
    & skf18("9","7","8","4","10","9","1") = "9"
    & skf18("9","7","8","4","10","10","1") = "9"
    & skf18("9","7","8","5","1","1","1") = "8"
    & skf18("9","7","8","5","1","2","1") = "8"
    & skf18("9","7","8","5","1","3","1") = "8"
    & skf18("9","7","8","5","1","4","1") = "8"
    & skf18("9","7","8","5","1","5","1") = "8"
    & skf18("9","7","8","5","1","6","1") = "8"
    & skf18("9","7","8","5","1","7","1") = "8"
    & skf18("9","7","8","5","1","8","1") = "8"
    & skf18("9","7","8","5","1","9","1") = "8"
    & skf18("9","7","8","5","1","10","1") = "9"
    & skf18("9","7","8","5","2","1","1") = "8"
    & skf18("9","7","8","5","2","2","1") = "8"
    & skf18("9","7","8","5","2","3","1") = "8"
    & skf18("9","7","8","5","2","4","1") = "8"
    & skf18("9","7","8","5","2","5","1") = "8"
    & skf18("9","7","8","5","2","6","1") = "8"
    & skf18("9","7","8","5","2","7","1") = "8"
    & skf18("9","7","8","5","2","8","1") = "8"
    & skf18("9","7","8","5","2","9","1") = "8"
    & skf18("9","7","8","5","2","10","1") = "9"
    & skf18("9","7","8","5","3","1","1") = "8"
    & skf18("9","7","8","5","3","2","1") = "8"
    & skf18("9","7","8","5","3","3","1") = "8"
    & skf18("9","7","8","5","3","4","1") = "8"
    & skf18("9","7","8","5","3","5","1") = "8"
    & skf18("9","7","8","5","3","6","1") = "8"
    & skf18("9","7","8","5","3","7","1") = "8"
    & skf18("9","7","8","5","3","8","1") = "8"
    & skf18("9","7","8","5","3","9","1") = "8"
    & skf18("9","7","8","5","3","10","1") = "9"
    & skf18("9","7","8","5","4","1","1") = "8"
    & skf18("9","7","8","5","4","2","1") = "8"
    & skf18("9","7","8","5","4","3","1") = "8"
    & skf18("9","7","8","5","4","4","1") = "8"
    & skf18("9","7","8","5","4","5","1") = "8"
    & skf18("9","7","8","5","4","6","1") = "8"
    & skf18("9","7","8","5","4","7","1") = "8"
    & skf18("9","7","8","5","4","8","1") = "8"
    & skf18("9","7","8","5","4","9","1") = "8"
    & skf18("9","7","8","5","4","10","1") = "9"
    & skf18("9","7","8","5","5","1","1") = "8"
    & skf18("9","7","8","5","5","2","1") = "8"
    & skf18("9","7","8","5","5","3","1") = "8"
    & skf18("9","7","8","5","5","4","1") = "8"
    & skf18("9","7","8","5","5","5","1") = "8"
    & skf18("9","7","8","5","5","6","1") = "8"
    & skf18("9","7","8","5","5","7","1") = "8"
    & skf18("9","7","8","5","5","8","1") = "8"
    & skf18("9","7","8","5","5","9","1") = "8"
    & skf18("9","7","8","5","5","10","1") = "9"
    & skf18("9","7","8","5","6","1","1") = "8"
    & skf18("9","7","8","5","6","2","1") = "8"
    & skf18("9","7","8","5","6","3","1") = "8"
    & skf18("9","7","8","5","6","4","1") = "8"
    & skf18("9","7","8","5","6","5","1") = "8"
    & skf18("9","7","8","5","6","6","1") = "8"
    & skf18("9","7","8","5","6","7","1") = "8"
    & skf18("9","7","8","5","6","8","1") = "8"
    & skf18("9","7","8","5","6","9","1") = "8"
    & skf18("9","7","8","5","6","10","1") = "9"
    & skf18("9","7","8","5","7","1","1") = "8"
    & skf18("9","7","8","5","7","2","1") = "8"
    & skf18("9","7","8","5","7","3","1") = "8"
    & skf18("9","7","8","5","7","4","1") = "8"
    & skf18("9","7","8","5","7","5","1") = "8"
    & skf18("9","7","8","5","7","6","1") = "8"
    & skf18("9","7","8","5","7","7","1") = "8"
    & skf18("9","7","8","5","7","8","1") = "8"
    & skf18("9","7","8","5","7","9","1") = "8"
    & skf18("9","7","8","5","7","10","1") = "9"
    & skf18("9","7","8","5","8","1","1") = "8"
    & skf18("9","7","8","5","8","2","1") = "8"
    & skf18("9","7","8","5","8","3","1") = "8"
    & skf18("9","7","8","5","8","4","1") = "8"
    & skf18("9","7","8","5","8","5","1") = "8"
    & skf18("9","7","8","5","8","6","1") = "8"
    & skf18("9","7","8","5","8","7","1") = "8"
    & skf18("9","7","8","5","8","8","1") = "8"
    & skf18("9","7","8","5","8","9","1") = "8"
    & skf18("9","7","8","5","8","10","1") = "9"
    & skf18("9","7","8","5","9","1","1") = "8"
    & skf18("9","7","8","5","9","2","1") = "8"
    & skf18("9","7","8","5","9","3","1") = "8"
    & skf18("9","7","8","5","9","4","1") = "8"
    & skf18("9","7","8","5","9","5","1") = "8"
    & skf18("9","7","8","5","9","6","1") = "8"
    & skf18("9","7","8","5","9","7","1") = "8"
    & skf18("9","7","8","5","9","8","1") = "8"
    & skf18("9","7","8","5","9","9","1") = "8"
    & skf18("9","7","8","5","9","10","1") = "9"
    & skf18("9","7","8","5","10","1","1") = "9"
    & skf18("9","7","8","5","10","2","1") = "9"
    & skf18("9","7","8","5","10","3","1") = "9"
    & skf18("9","7","8","5","10","4","1") = "9"
    & skf18("9","7","8","5","10","5","1") = "9"
    & skf18("9","7","8","5","10","6","1") = "9"
    & skf18("9","7","8","5","10","7","1") = "9"
    & skf18("9","7","8","5","10","8","1") = "9"
    & skf18("9","7","8","5","10","9","1") = "9"
    & skf18("9","7","8","5","10","10","1") = "9"
    & skf18("9","7","8","6","1","1","1") = "8"
    & skf18("9","7","8","6","1","2","1") = "8"
    & skf18("9","7","8","6","1","3","1") = "8"
    & skf18("9","7","8","6","1","4","1") = "8"
    & skf18("9","7","8","6","1","5","1") = "8"
    & skf18("9","7","8","6","1","6","1") = "8"
    & skf18("9","7","8","6","1","7","1") = "8"
    & skf18("9","7","8","6","1","8","1") = "8"
    & skf18("9","7","8","6","1","9","1") = "8"
    & skf18("9","7","8","6","1","10","1") = "9"
    & skf18("9","7","8","6","2","1","1") = "8"
    & skf18("9","7","8","6","2","2","1") = "8"
    & skf18("9","7","8","6","2","3","1") = "8"
    & skf18("9","7","8","6","2","4","1") = "8"
    & skf18("9","7","8","6","2","5","1") = "8"
    & skf18("9","7","8","6","2","6","1") = "8"
    & skf18("9","7","8","6","2","7","1") = "8"
    & skf18("9","7","8","6","2","8","1") = "8"
    & skf18("9","7","8","6","2","9","1") = "8"
    & skf18("9","7","8","6","2","10","1") = "9"
    & skf18("9","7","8","6","3","1","1") = "8"
    & skf18("9","7","8","6","3","2","1") = "8"
    & skf18("9","7","8","6","3","3","1") = "8"
    & skf18("9","7","8","6","3","4","1") = "8"
    & skf18("9","7","8","6","3","5","1") = "8"
    & skf18("9","7","8","6","3","6","1") = "8"
    & skf18("9","7","8","6","3","7","1") = "8"
    & skf18("9","7","8","6","3","8","1") = "8"
    & skf18("9","7","8","6","3","9","1") = "8"
    & skf18("9","7","8","6","3","10","1") = "9"
    & skf18("9","7","8","6","4","1","1") = "8"
    & skf18("9","7","8","6","4","2","1") = "8"
    & skf18("9","7","8","6","4","3","1") = "8"
    & skf18("9","7","8","6","4","4","1") = "8"
    & skf18("9","7","8","6","4","5","1") = "8"
    & skf18("9","7","8","6","4","6","1") = "8"
    & skf18("9","7","8","6","4","7","1") = "8"
    & skf18("9","7","8","6","4","8","1") = "8"
    & skf18("9","7","8","6","4","9","1") = "8"
    & skf18("9","7","8","6","4","10","1") = "9"
    & skf18("9","7","8","6","5","1","1") = "8"
    & skf18("9","7","8","6","5","2","1") = "8"
    & skf18("9","7","8","6","5","3","1") = "8"
    & skf18("9","7","8","6","5","4","1") = "8"
    & skf18("9","7","8","6","5","5","1") = "8"
    & skf18("9","7","8","6","5","6","1") = "8"
    & skf18("9","7","8","6","5","7","1") = "8"
    & skf18("9","7","8","6","5","8","1") = "8"
    & skf18("9","7","8","6","5","9","1") = "8"
    & skf18("9","7","8","6","5","10","1") = "9"
    & skf18("9","7","8","6","6","1","1") = "8"
    & skf18("9","7","8","6","6","2","1") = "8"
    & skf18("9","7","8","6","6","3","1") = "8"
    & skf18("9","7","8","6","6","4","1") = "8"
    & skf18("9","7","8","6","6","5","1") = "8"
    & skf18("9","7","8","6","6","6","1") = "8"
    & skf18("9","7","8","6","6","7","1") = "8"
    & skf18("9","7","8","6","6","8","1") = "8"
    & skf18("9","7","8","6","6","9","1") = "8"
    & skf18("9","7","8","6","6","10","1") = "9"
    & skf18("9","7","8","6","7","1","1") = "8"
    & skf18("9","7","8","6","7","2","1") = "8"
    & skf18("9","7","8","6","7","3","1") = "8"
    & skf18("9","7","8","6","7","4","1") = "8"
    & skf18("9","7","8","6","7","5","1") = "8"
    & skf18("9","7","8","6","7","6","1") = "8"
    & skf18("9","7","8","6","7","7","1") = "8"
    & skf18("9","7","8","6","7","8","1") = "8"
    & skf18("9","7","8","6","7","9","1") = "8"
    & skf18("9","7","8","6","7","10","1") = "9"
    & skf18("9","7","8","6","8","1","1") = "8"
    & skf18("9","7","8","6","8","2","1") = "8"
    & skf18("9","7","8","6","8","3","1") = "8"
    & skf18("9","7","8","6","8","4","1") = "8"
    & skf18("9","7","8","6","8","5","1") = "8"
    & skf18("9","7","8","6","8","6","1") = "8"
    & skf18("9","7","8","6","8","7","1") = "8"
    & skf18("9","7","8","6","8","8","1") = "8"
    & skf18("9","7","8","6","8","9","1") = "8"
    & skf18("9","7","8","6","8","10","1") = "9"
    & skf18("9","7","8","6","9","1","1") = "8"
    & skf18("9","7","8","6","9","2","1") = "8"
    & skf18("9","7","8","6","9","3","1") = "8"
    & skf18("9","7","8","6","9","4","1") = "8"
    & skf18("9","7","8","6","9","5","1") = "8"
    & skf18("9","7","8","6","9","6","1") = "8"
    & skf18("9","7","8","6","9","7","1") = "8"
    & skf18("9","7","8","6","9","8","1") = "8"
    & skf18("9","7","8","6","9","9","1") = "8"
    & skf18("9","7","8","6","9","10","1") = "9"
    & skf18("9","7","8","6","10","1","1") = "9"
    & skf18("9","7","8","6","10","2","1") = "9"
    & skf18("9","7","8","6","10","3","1") = "9"
    & skf18("9","7","8","6","10","4","1") = "9"
    & skf18("9","7","8","6","10","5","1") = "9"
    & skf18("9","7","8","6","10","6","1") = "9"
    & skf18("9","7","8","6","10","7","1") = "9"
    & skf18("9","7","8","6","10","8","1") = "9"
    & skf18("9","7","8","6","10","9","1") = "9"
    & skf18("9","7","8","6","10","10","1") = "9"
    & skf18("9","7","8","7","1","1","1") = "8"
    & skf18("9","7","8","7","1","2","1") = "8"
    & skf18("9","7","8","7","1","3","1") = "8"
    & skf18("9","7","8","7","1","4","1") = "8"
    & skf18("9","7","8","7","1","5","1") = "8"
    & skf18("9","7","8","7","1","6","1") = "8"
    & skf18("9","7","8","7","1","7","1") = "8"
    & skf18("9","7","8","7","1","8","1") = "8"
    & skf18("9","7","8","7","1","9","1") = "8"
    & skf18("9","7","8","7","1","10","1") = "9"
    & skf18("9","7","8","7","2","1","1") = "8"
    & skf18("9","7","8","7","2","2","1") = "8"
    & skf18("9","7","8","7","2","3","1") = "8"
    & skf18("9","7","8","7","2","4","1") = "8"
    & skf18("9","7","8","7","2","5","1") = "8"
    & skf18("9","7","8","7","2","6","1") = "8"
    & skf18("9","7","8","7","2","7","1") = "8"
    & skf18("9","7","8","7","2","8","1") = "8"
    & skf18("9","7","8","7","2","9","1") = "8"
    & skf18("9","7","8","7","2","10","1") = "9"
    & skf18("9","7","8","7","3","1","1") = "8"
    & skf18("9","7","8","7","3","2","1") = "8"
    & skf18("9","7","8","7","3","3","1") = "8"
    & skf18("9","7","8","7","3","4","1") = "8"
    & skf18("9","7","8","7","3","5","1") = "8"
    & skf18("9","7","8","7","3","6","1") = "8"
    & skf18("9","7","8","7","3","7","1") = "8"
    & skf18("9","7","8","7","3","8","1") = "8"
    & skf18("9","7","8","7","3","9","1") = "8"
    & skf18("9","7","8","7","3","10","1") = "9"
    & skf18("9","7","8","7","4","1","1") = "8"
    & skf18("9","7","8","7","4","2","1") = "8"
    & skf18("9","7","8","7","4","3","1") = "8"
    & skf18("9","7","8","7","4","4","1") = "8"
    & skf18("9","7","8","7","4","5","1") = "8"
    & skf18("9","7","8","7","4","6","1") = "8"
    & skf18("9","7","8","7","4","7","1") = "8"
    & skf18("9","7","8","7","4","8","1") = "8"
    & skf18("9","7","8","7","4","9","1") = "8"
    & skf18("9","7","8","7","4","10","1") = "9"
    & skf18("9","7","8","7","5","1","1") = "8"
    & skf18("9","7","8","7","5","2","1") = "8"
    & skf18("9","7","8","7","5","3","1") = "8"
    & skf18("9","7","8","7","5","4","1") = "8"
    & skf18("9","7","8","7","5","5","1") = "8"
    & skf18("9","7","8","7","5","6","1") = "8"
    & skf18("9","7","8","7","5","7","1") = "8"
    & skf18("9","7","8","7","5","8","1") = "8"
    & skf18("9","7","8","7","5","9","1") = "8"
    & skf18("9","7","8","7","5","10","1") = "9"
    & skf18("9","7","8","7","6","1","1") = "8"
    & skf18("9","7","8","7","6","2","1") = "8"
    & skf18("9","7","8","7","6","3","1") = "8"
    & skf18("9","7","8","7","6","4","1") = "8"
    & skf18("9","7","8","7","6","5","1") = "8"
    & skf18("9","7","8","7","6","6","1") = "8"
    & skf18("9","7","8","7","6","7","1") = "8"
    & skf18("9","7","8","7","6","8","1") = "8"
    & skf18("9","7","8","7","6","9","1") = "8"
    & skf18("9","7","8","7","6","10","1") = "9"
    & skf18("9","7","8","7","7","1","1") = "8"
    & skf18("9","7","8","7","7","2","1") = "8"
    & skf18("9","7","8","7","7","3","1") = "8"
    & skf18("9","7","8","7","7","4","1") = "8"
    & skf18("9","7","8","7","7","5","1") = "8"
    & skf18("9","7","8","7","7","6","1") = "8"
    & skf18("9","7","8","7","7","7","1") = "8"
    & skf18("9","7","8","7","7","8","1") = "8"
    & skf18("9","7","8","7","7","9","1") = "8"
    & skf18("9","7","8","7","7","10","1") = "9"
    & skf18("9","7","8","7","8","1","1") = "8"
    & skf18("9","7","8","7","8","2","1") = "8"
    & skf18("9","7","8","7","8","3","1") = "8"
    & skf18("9","7","8","7","8","4","1") = "8"
    & skf18("9","7","8","7","8","5","1") = "8"
    & skf18("9","7","8","7","8","6","1") = "8"
    & skf18("9","7","8","7","8","7","1") = "8"
    & skf18("9","7","8","7","8","8","1") = "8"
    & skf18("9","7","8","7","8","9","1") = "8"
    & skf18("9","7","8","7","8","10","1") = "9"
    & skf18("9","7","8","7","9","1","1") = "8"
    & skf18("9","7","8","7","9","2","1") = "8"
    & skf18("9","7","8","7","9","3","1") = "8"
    & skf18("9","7","8","7","9","4","1") = "8"
    & skf18("9","7","8","7","9","5","1") = "8"
    & skf18("9","7","8","7","9","6","1") = "8"
    & skf18("9","7","8","7","9","7","1") = "8"
    & skf18("9","7","8","7","9","8","1") = "8"
    & skf18("9","7","8","7","9","9","1") = "8"
    & skf18("9","7","8","7","9","10","1") = "9"
    & skf18("9","7","8","7","10","1","1") = "9"
    & skf18("9","7","8","7","10","2","1") = "9"
    & skf18("9","7","8","7","10","3","1") = "9"
    & skf18("9","7","8","7","10","4","1") = "9"
    & skf18("9","7","8","7","10","5","1") = "9"
    & skf18("9","7","8","7","10","6","1") = "9"
    & skf18("9","7","8","7","10","7","1") = "9"
    & skf18("9","7","8","7","10","8","1") = "9"
    & skf18("9","7","8","7","10","9","1") = "9"
    & skf18("9","7","8","7","10","10","1") = "9"
    & skf18("9","7","8","8","1","1","1") = "8"
    & skf18("9","7","8","8","1","2","1") = "8"
    & skf18("9","7","8","8","1","3","1") = "8"
    & skf18("9","7","8","8","1","4","1") = "8"
    & skf18("9","7","8","8","1","5","1") = "8"
    & skf18("9","7","8","8","1","6","1") = "8"
    & skf18("9","7","8","8","1","7","1") = "8"
    & skf18("9","7","8","8","1","8","1") = "8"
    & skf18("9","7","8","8","1","9","1") = "8"
    & skf18("9","7","8","8","1","10","1") = "9"
    & skf18("9","7","8","8","2","1","1") = "8"
    & skf18("9","7","8","8","2","2","1") = "8"
    & skf18("9","7","8","8","2","3","1") = "8"
    & skf18("9","7","8","8","2","4","1") = "8"
    & skf18("9","7","8","8","2","5","1") = "8"
    & skf18("9","7","8","8","2","6","1") = "8"
    & skf18("9","7","8","8","2","7","1") = "8"
    & skf18("9","7","8","8","2","8","1") = "8"
    & skf18("9","7","8","8","2","9","1") = "8"
    & skf18("9","7","8","8","2","10","1") = "9"
    & skf18("9","7","8","8","3","1","1") = "8"
    & skf18("9","7","8","8","3","2","1") = "8"
    & skf18("9","7","8","8","3","3","1") = "8"
    & skf18("9","7","8","8","3","4","1") = "8"
    & skf18("9","7","8","8","3","5","1") = "8"
    & skf18("9","7","8","8","3","6","1") = "8"
    & skf18("9","7","8","8","3","7","1") = "8"
    & skf18("9","7","8","8","3","8","1") = "8"
    & skf18("9","7","8","8","3","9","1") = "8"
    & skf18("9","7","8","8","3","10","1") = "9"
    & skf18("9","7","8","8","4","1","1") = "8"
    & skf18("9","7","8","8","4","2","1") = "8"
    & skf18("9","7","8","8","4","3","1") = "8"
    & skf18("9","7","8","8","4","4","1") = "8"
    & skf18("9","7","8","8","4","5","1") = "8"
    & skf18("9","7","8","8","4","6","1") = "8"
    & skf18("9","7","8","8","4","7","1") = "8"
    & skf18("9","7","8","8","4","8","1") = "8"
    & skf18("9","7","8","8","4","9","1") = "8"
    & skf18("9","7","8","8","4","10","1") = "9"
    & skf18("9","7","8","8","5","1","1") = "8"
    & skf18("9","7","8","8","5","2","1") = "8"
    & skf18("9","7","8","8","5","3","1") = "8"
    & skf18("9","7","8","8","5","4","1") = "8"
    & skf18("9","7","8","8","5","5","1") = "8"
    & skf18("9","7","8","8","5","6","1") = "8"
    & skf18("9","7","8","8","5","7","1") = "8"
    & skf18("9","7","8","8","5","8","1") = "8"
    & skf18("9","7","8","8","5","9","1") = "8"
    & skf18("9","7","8","8","5","10","1") = "9"
    & skf18("9","7","8","8","6","1","1") = "8"
    & skf18("9","7","8","8","6","2","1") = "8"
    & skf18("9","7","8","8","6","3","1") = "8"
    & skf18("9","7","8","8","6","4","1") = "8"
    & skf18("9","7","8","8","6","5","1") = "8"
    & skf18("9","7","8","8","6","6","1") = "8"
    & skf18("9","7","8","8","6","7","1") = "8"
    & skf18("9","7","8","8","6","8","1") = "8"
    & skf18("9","7","8","8","6","9","1") = "8"
    & skf18("9","7","8","8","6","10","1") = "9"
    & skf18("9","7","8","8","7","1","1") = "8"
    & skf18("9","7","8","8","7","2","1") = "8"
    & skf18("9","7","8","8","7","3","1") = "8"
    & skf18("9","7","8","8","7","4","1") = "8"
    & skf18("9","7","8","8","7","5","1") = "8"
    & skf18("9","7","8","8","7","6","1") = "8"
    & skf18("9","7","8","8","7","7","1") = "8"
    & skf18("9","7","8","8","7","8","1") = "8"
    & skf18("9","7","8","8","7","9","1") = "8"
    & skf18("9","7","8","8","7","10","1") = "9"
    & skf18("9","7","8","8","8","1","1") = "8"
    & skf18("9","7","8","8","8","2","1") = "8"
    & skf18("9","7","8","8","8","3","1") = "8"
    & skf18("9","7","8","8","8","4","1") = "8"
    & skf18("9","7","8","8","8","5","1") = "8"
    & skf18("9","7","8","8","8","6","1") = "8"
    & skf18("9","7","8","8","8","7","1") = "8"
    & skf18("9","7","8","8","8","8","1") = "8"
    & skf18("9","7","8","8","8","9","1") = "8"
    & skf18("9","7","8","8","8","10","1") = "9"
    & skf18("9","7","8","8","9","1","1") = "8"
    & skf18("9","7","8","8","9","2","1") = "8"
    & skf18("9","7","8","8","9","3","1") = "8"
    & skf18("9","7","8","8","9","4","1") = "8"
    & skf18("9","7","8","8","9","5","1") = "8"
    & skf18("9","7","8","8","9","6","1") = "8"
    & skf18("9","7","8","8","9","7","1") = "8"
    & skf18("9","7","8","8","9","8","1") = "8"
    & skf18("9","7","8","8","9","9","1") = "8"
    & skf18("9","7","8","8","9","10","1") = "9"
    & skf18("9","7","8","8","10","1","1") = "9"
    & skf18("9","7","8","8","10","2","1") = "9"
    & skf18("9","7","8","8","10","3","1") = "9"
    & skf18("9","7","8","8","10","4","1") = "9"
    & skf18("9","7","8","8","10","5","1") = "9"
    & skf18("9","7","8","8","10","6","1") = "9"
    & skf18("9","7","8","8","10","7","1") = "9"
    & skf18("9","7","8","8","10","8","1") = "9"
    & skf18("9","7","8","8","10","9","1") = "9"
    & skf18("9","7","8","8","10","10","1") = "9"
    & skf18("9","7","8","9","1","1","1") = "8"
    & skf18("9","7","8","9","1","2","1") = "8"
    & skf18("9","7","8","9","1","3","1") = "8"
    & skf18("9","7","8","9","1","4","1") = "8"
    & skf18("9","7","8","9","1","5","1") = "8"
    & skf18("9","7","8","9","1","6","1") = "8"
    & skf18("9","7","8","9","1","7","1") = "8"
    & skf18("9","7","8","9","1","8","1") = "8"
    & skf18("9","7","8","9","1","9","1") = "8"
    & skf18("9","7","8","9","1","10","1") = "9"
    & skf18("9","7","8","9","2","1","1") = "8"
    & skf18("9","7","8","9","2","2","1") = "8"
    & skf18("9","7","8","9","2","3","1") = "8"
    & skf18("9","7","8","9","2","4","1") = "8"
    & skf18("9","7","8","9","2","5","1") = "8"
    & skf18("9","7","8","9","2","6","1") = "8"
    & skf18("9","7","8","9","2","7","1") = "8"
    & skf18("9","7","8","9","2","8","1") = "8"
    & skf18("9","7","8","9","2","9","1") = "8"
    & skf18("9","7","8","9","2","10","1") = "9"
    & skf18("9","7","8","9","3","1","1") = "8"
    & skf18("9","7","8","9","3","2","1") = "8"
    & skf18("9","7","8","9","3","3","1") = "8"
    & skf18("9","7","8","9","3","4","1") = "8"
    & skf18("9","7","8","9","3","5","1") = "8"
    & skf18("9","7","8","9","3","6","1") = "8"
    & skf18("9","7","8","9","3","7","1") = "8"
    & skf18("9","7","8","9","3","8","1") = "8"
    & skf18("9","7","8","9","3","9","1") = "8"
    & skf18("9","7","8","9","3","10","1") = "9"
    & skf18("9","7","8","9","4","1","1") = "8"
    & skf18("9","7","8","9","4","2","1") = "8"
    & skf18("9","7","8","9","4","3","1") = "8"
    & skf18("9","7","8","9","4","4","1") = "8"
    & skf18("9","7","8","9","4","5","1") = "8"
    & skf18("9","7","8","9","4","6","1") = "8"
    & skf18("9","7","8","9","4","7","1") = "8"
    & skf18("9","7","8","9","4","8","1") = "8"
    & skf18("9","7","8","9","4","9","1") = "8"
    & skf18("9","7","8","9","4","10","1") = "9"
    & skf18("9","7","8","9","5","1","1") = "8"
    & skf18("9","7","8","9","5","2","1") = "8"
    & skf18("9","7","8","9","5","3","1") = "8"
    & skf18("9","7","8","9","5","4","1") = "8"
    & skf18("9","7","8","9","5","5","1") = "8"
    & skf18("9","7","8","9","5","6","1") = "8"
    & skf18("9","7","8","9","5","7","1") = "8"
    & skf18("9","7","8","9","5","8","1") = "8"
    & skf18("9","7","8","9","5","9","1") = "8"
    & skf18("9","7","8","9","5","10","1") = "9"
    & skf18("9","7","8","9","6","1","1") = "8"
    & skf18("9","7","8","9","6","2","1") = "8"
    & skf18("9","7","8","9","6","3","1") = "8"
    & skf18("9","7","8","9","6","4","1") = "8"
    & skf18("9","7","8","9","6","5","1") = "8"
    & skf18("9","7","8","9","6","6","1") = "8"
    & skf18("9","7","8","9","6","7","1") = "8"
    & skf18("9","7","8","9","6","8","1") = "8"
    & skf18("9","7","8","9","6","9","1") = "8"
    & skf18("9","7","8","9","6","10","1") = "9"
    & skf18("9","7","8","9","7","1","1") = "8"
    & skf18("9","7","8","9","7","2","1") = "8"
    & skf18("9","7","8","9","7","3","1") = "8"
    & skf18("9","7","8","9","7","4","1") = "8"
    & skf18("9","7","8","9","7","5","1") = "8"
    & skf18("9","7","8","9","7","6","1") = "8"
    & skf18("9","7","8","9","7","7","1") = "8"
    & skf18("9","7","8","9","7","8","1") = "8"
    & skf18("9","7","8","9","7","9","1") = "8"
    & skf18("9","7","8","9","7","10","1") = "9"
    & skf18("9","7","8","9","8","1","1") = "8"
    & skf18("9","7","8","9","8","2","1") = "8"
    & skf18("9","7","8","9","8","3","1") = "8"
    & skf18("9","7","8","9","8","4","1") = "8"
    & skf18("9","7","8","9","8","5","1") = "8"
    & skf18("9","7","8","9","8","6","1") = "8"
    & skf18("9","7","8","9","8","7","1") = "8"
    & skf18("9","7","8","9","8","8","1") = "8"
    & skf18("9","7","8","9","8","9","1") = "8"
    & skf18("9","7","8","9","8","10","1") = "9"
    & skf18("9","7","8","9","9","1","1") = "8"
    & skf18("9","7","8","9","9","2","1") = "8"
    & skf18("9","7","8","9","9","3","1") = "8"
    & skf18("9","7","8","9","9","4","1") = "8"
    & skf18("9","7","8","9","9","5","1") = "8"
    & skf18("9","7","8","9","9","6","1") = "8"
    & skf18("9","7","8","9","9","7","1") = "8"
    & skf18("9","7","8","9","9","8","1") = "8"
    & skf18("9","7","8","9","9","9","1") = "8"
    & skf18("9","7","8","9","9","10","1") = "9"
    & skf18("9","7","8","9","10","1","1") = "9"
    & skf18("9","7","8","9","10","2","1") = "9"
    & skf18("9","7","8","9","10","3","1") = "9"
    & skf18("9","7","8","9","10","4","1") = "9"
    & skf18("9","7","8","9","10","5","1") = "9"
    & skf18("9","7","8","9","10","6","1") = "9"
    & skf18("9","7","8","9","10","7","1") = "9"
    & skf18("9","7","8","9","10","8","1") = "9"
    & skf18("9","7","8","9","10","9","1") = "9"
    & skf18("9","7","8","9","10","10","1") = "9"
    & skf18("9","7","8","10","1","1","1") = "9"
    & skf18("9","7","8","10","1","2","1") = "9"
    & skf18("9","7","8","10","1","3","1") = "9"
    & skf18("9","7","8","10","1","4","1") = "9"
    & skf18("9","7","8","10","1","5","1") = "9"
    & skf18("9","7","8","10","1","6","1") = "9"
    & skf18("9","7","8","10","1","7","1") = "9"
    & skf18("9","7","8","10","1","8","1") = "9"
    & skf18("9","7","8","10","1","9","1") = "9"
    & skf18("9","7","8","10","1","10","1") = "9"
    & skf18("9","7","8","10","2","1","1") = "9"
    & skf18("9","7","8","10","2","2","1") = "9"
    & skf18("9","7","8","10","2","3","1") = "9"
    & skf18("9","7","8","10","2","4","1") = "9"
    & skf18("9","7","8","10","2","5","1") = "9"
    & skf18("9","7","8","10","2","6","1") = "9"
    & skf18("9","7","8","10","2","7","1") = "9"
    & skf18("9","7","8","10","2","8","1") = "9"
    & skf18("9","7","8","10","2","9","1") = "9"
    & skf18("9","7","8","10","2","10","1") = "9"
    & skf18("9","7","8","10","3","1","1") = "9"
    & skf18("9","7","8","10","3","2","1") = "9"
    & skf18("9","7","8","10","3","3","1") = "9"
    & skf18("9","7","8","10","3","4","1") = "9"
    & skf18("9","7","8","10","3","5","1") = "9"
    & skf18("9","7","8","10","3","6","1") = "9"
    & skf18("9","7","8","10","3","7","1") = "9"
    & skf18("9","7","8","10","3","8","1") = "9"
    & skf18("9","7","8","10","3","9","1") = "9"
    & skf18("9","7","8","10","3","10","1") = "9"
    & skf18("9","7","8","10","4","1","1") = "9"
    & skf18("9","7","8","10","4","2","1") = "9"
    & skf18("9","7","8","10","4","3","1") = "9"
    & skf18("9","7","8","10","4","4","1") = "9"
    & skf18("9","7","8","10","4","5","1") = "9"
    & skf18("9","7","8","10","4","6","1") = "9"
    & skf18("9","7","8","10","4","7","1") = "9"
    & skf18("9","7","8","10","4","8","1") = "9"
    & skf18("9","7","8","10","4","9","1") = "9"
    & skf18("9","7","8","10","4","10","1") = "9"
    & skf18("9","7","8","10","5","1","1") = "9"
    & skf18("9","7","8","10","5","2","1") = "9"
    & skf18("9","7","8","10","5","3","1") = "9"
    & skf18("9","7","8","10","5","4","1") = "9"
    & skf18("9","7","8","10","5","5","1") = "9"
    & skf18("9","7","8","10","5","6","1") = "9"
    & skf18("9","7","8","10","5","7","1") = "9"
    & skf18("9","7","8","10","5","8","1") = "9"
    & skf18("9","7","8","10","5","9","1") = "9"
    & skf18("9","7","8","10","5","10","1") = "9"
    & skf18("9","7","8","10","6","1","1") = "9"
    & skf18("9","7","8","10","6","2","1") = "9"
    & skf18("9","7","8","10","6","3","1") = "9"
    & skf18("9","7","8","10","6","4","1") = "9"
    & skf18("9","7","8","10","6","5","1") = "9"
    & skf18("9","7","8","10","6","6","1") = "9"
    & skf18("9","7","8","10","6","7","1") = "9"
    & skf18("9","7","8","10","6","8","1") = "9"
    & skf18("9","7","8","10","6","9","1") = "9"
    & skf18("9","7","8","10","6","10","1") = "9"
    & skf18("9","7","8","10","7","1","1") = "9"
    & skf18("9","7","8","10","7","2","1") = "9"
    & skf18("9","7","8","10","7","3","1") = "9"
    & skf18("9","7","8","10","7","4","1") = "9"
    & skf18("9","7","8","10","7","5","1") = "9"
    & skf18("9","7","8","10","7","6","1") = "9"
    & skf18("9","7","8","10","7","7","1") = "9"
    & skf18("9","7","8","10","7","8","1") = "9"
    & skf18("9","7","8","10","7","9","1") = "9"
    & skf18("9","7","8","10","7","10","1") = "9"
    & skf18("9","7","8","10","8","1","1") = "9"
    & skf18("9","7","8","10","8","2","1") = "9"
    & skf18("9","7","8","10","8","3","1") = "9"
    & skf18("9","7","8","10","8","4","1") = "9"
    & skf18("9","7","8","10","8","5","1") = "9"
    & skf18("9","7","8","10","8","6","1") = "9"
    & skf18("9","7","8","10","8","7","1") = "9"
    & skf18("9","7","8","10","8","8","1") = "9"
    & skf18("9","7","8","10","8","9","1") = "9"
    & skf18("9","7","8","10","8","10","1") = "9"
    & skf18("9","7","8","10","9","1","1") = "9"
    & skf18("9","7","8","10","9","2","1") = "9"
    & skf18("9","7","8","10","9","3","1") = "9"
    & skf18("9","7","8","10","9","4","1") = "9"
    & skf18("9","7","8","10","9","5","1") = "9"
    & skf18("9","7","8","10","9","6","1") = "9"
    & skf18("9","7","8","10","9","7","1") = "9"
    & skf18("9","7","8","10","9","8","1") = "9"
    & skf18("9","7","8","10","9","9","1") = "9"
    & skf18("9","7","8","10","9","10","1") = "9"
    & skf18("9","7","8","10","10","1","1") = "9"
    & skf18("9","7","8","10","10","2","1") = "9"
    & skf18("9","7","8","10","10","3","1") = "9"
    & skf18("9","7","8","10","10","4","1") = "9"
    & skf18("9","7","8","10","10","5","1") = "9"
    & skf18("9","7","8","10","10","6","1") = "9"
    & skf18("9","7","8","10","10","7","1") = "9"
    & skf18("9","7","8","10","10","8","1") = "9"
    & skf18("9","7","8","10","10","9","1") = "9"
    & skf18("9","7","8","10","10","10","1") = "9"
    & skf18("9","7","9","1","1","1","1") = "8"
    & skf18("9","7","9","1","1","2","1") = "8"
    & skf18("9","7","9","1","1","3","1") = "8"
    & skf18("9","7","9","1","1","4","1") = "8"
    & skf18("9","7","9","1","1","5","1") = "8"
    & skf18("9","7","9","1","1","6","1") = "8"
    & skf18("9","7","9","1","1","7","1") = "8"
    & skf18("9","7","9","1","1","8","1") = "8"
    & skf18("9","7","9","1","1","9","1") = "8"
    & skf18("9","7","9","1","1","10","1") = "9"
    & skf18("9","7","9","1","2","1","1") = "8"
    & skf18("9","7","9","1","2","2","1") = "8"
    & skf18("9","7","9","1","2","3","1") = "8"
    & skf18("9","7","9","1","2","4","1") = "8"
    & skf18("9","7","9","1","2","5","1") = "8"
    & skf18("9","7","9","1","2","6","1") = "8"
    & skf18("9","7","9","1","2","7","1") = "8"
    & skf18("9","7","9","1","2","8","1") = "8"
    & skf18("9","7","9","1","2","9","1") = "8"
    & skf18("9","7","9","1","2","10","1") = "9"
    & skf18("9","7","9","1","3","1","1") = "8"
    & skf18("9","7","9","1","3","2","1") = "8"
    & skf18("9","7","9","1","3","3","1") = "8"
    & skf18("9","7","9","1","3","4","1") = "8"
    & skf18("9","7","9","1","3","5","1") = "8"
    & skf18("9","7","9","1","3","6","1") = "8"
    & skf18("9","7","9","1","3","7","1") = "8"
    & skf18("9","7","9","1","3","8","1") = "8"
    & skf18("9","7","9","1","3","9","1") = "8"
    & skf18("9","7","9","1","3","10","1") = "9"
    & skf18("9","7","9","1","4","1","1") = "8"
    & skf18("9","7","9","1","4","2","1") = "8"
    & skf18("9","7","9","1","4","3","1") = "8"
    & skf18("9","7","9","1","4","4","1") = "8"
    & skf18("9","7","9","1","4","5","1") = "8"
    & skf18("9","7","9","1","4","6","1") = "8"
    & skf18("9","7","9","1","4","7","1") = "8"
    & skf18("9","7","9","1","4","8","1") = "8"
    & skf18("9","7","9","1","4","9","1") = "8"
    & skf18("9","7","9","1","4","10","1") = "9"
    & skf18("9","7","9","1","5","1","1") = "8"
    & skf18("9","7","9","1","5","2","1") = "8"
    & skf18("9","7","9","1","5","3","1") = "8"
    & skf18("9","7","9","1","5","4","1") = "8"
    & skf18("9","7","9","1","5","5","1") = "8"
    & skf18("9","7","9","1","5","6","1") = "8"
    & skf18("9","7","9","1","5","7","1") = "8"
    & skf18("9","7","9","1","5","8","1") = "8"
    & skf18("9","7","9","1","5","9","1") = "8"
    & skf18("9","7","9","1","5","10","1") = "9"
    & skf18("9","7","9","1","6","1","1") = "8"
    & skf18("9","7","9","1","6","2","1") = "8"
    & skf18("9","7","9","1","6","3","1") = "8"
    & skf18("9","7","9","1","6","4","1") = "8"
    & skf18("9","7","9","1","6","5","1") = "8"
    & skf18("9","7","9","1","6","6","1") = "8"
    & skf18("9","7","9","1","6","7","1") = "8"
    & skf18("9","7","9","1","6","8","1") = "8"
    & skf18("9","7","9","1","6","9","1") = "8"
    & skf18("9","7","9","1","6","10","1") = "9"
    & skf18("9","7","9","1","7","1","1") = "8"
    & skf18("9","7","9","1","7","2","1") = "8"
    & skf18("9","7","9","1","7","3","1") = "8"
    & skf18("9","7","9","1","7","4","1") = "8"
    & skf18("9","7","9","1","7","5","1") = "8"
    & skf18("9","7","9","1","7","6","1") = "8"
    & skf18("9","7","9","1","7","7","1") = "8"
    & skf18("9","7","9","1","7","8","1") = "8"
    & skf18("9","7","9","1","7","9","1") = "8"
    & skf18("9","7","9","1","7","10","1") = "9"
    & skf18("9","7","9","1","8","1","1") = "8"
    & skf18("9","7","9","1","8","2","1") = "8"
    & skf18("9","7","9","1","8","3","1") = "8"
    & skf18("9","7","9","1","8","4","1") = "8"
    & skf18("9","7","9","1","8","5","1") = "8"
    & skf18("9","7","9","1","8","6","1") = "8"
    & skf18("9","7","9","1","8","7","1") = "8"
    & skf18("9","7","9","1","8","8","1") = "8"
    & skf18("9","7","9","1","8","9","1") = "8"
    & skf18("9","7","9","1","8","10","1") = "9"
    & skf18("9","7","9","1","9","1","1") = "8"
    & skf18("9","7","9","1","9","2","1") = "8"
    & skf18("9","7","9","1","9","3","1") = "8"
    & skf18("9","7","9","1","9","4","1") = "8"
    & skf18("9","7","9","1","9","5","1") = "8"
    & skf18("9","7","9","1","9","6","1") = "8"
    & skf18("9","7","9","1","9","7","1") = "8"
    & skf18("9","7","9","1","9","8","1") = "8"
    & skf18("9","7","9","1","9","9","1") = "8"
    & skf18("9","7","9","1","9","10","1") = "9"
    & skf18("9","7","9","1","10","1","1") = "9"
    & skf18("9","7","9","1","10","2","1") = "9"
    & skf18("9","7","9","1","10","3","1") = "9"
    & skf18("9","7","9","1","10","4","1") = "9"
    & skf18("9","7","9","1","10","5","1") = "9"
    & skf18("9","7","9","1","10","6","1") = "9"
    & skf18("9","7","9","1","10","7","1") = "9"
    & skf18("9","7","9","1","10","8","1") = "9"
    & skf18("9","7","9","1","10","9","1") = "9"
    & skf18("9","7","9","1","10","10","1") = "9"
    & skf18("9","7","9","2","1","1","1") = "8"
    & skf18("9","7","9","2","1","2","1") = "8"
    & skf18("9","7","9","2","1","3","1") = "8"
    & skf18("9","7","9","2","1","4","1") = "8"
    & skf18("9","7","9","2","1","5","1") = "8"
    & skf18("9","7","9","2","1","6","1") = "8"
    & skf18("9","7","9","2","1","7","1") = "8"
    & skf18("9","7","9","2","1","8","1") = "8"
    & skf18("9","7","9","2","1","9","1") = "8"
    & skf18("9","7","9","2","1","10","1") = "9"
    & skf18("9","7","9","2","2","1","1") = "8"
    & skf18("9","7","9","2","2","2","1") = "8"
    & skf18("9","7","9","2","2","3","1") = "8"
    & skf18("9","7","9","2","2","4","1") = "8"
    & skf18("9","7","9","2","2","5","1") = "8"
    & skf18("9","7","9","2","2","6","1") = "8"
    & skf18("9","7","9","2","2","7","1") = "8"
    & skf18("9","7","9","2","2","8","1") = "8"
    & skf18("9","7","9","2","2","9","1") = "8"
    & skf18("9","7","9","2","2","10","1") = "9"
    & skf18("9","7","9","2","3","1","1") = "8"
    & skf18("9","7","9","2","3","2","1") = "8"
    & skf18("9","7","9","2","3","3","1") = "8"
    & skf18("9","7","9","2","3","4","1") = "8"
    & skf18("9","7","9","2","3","5","1") = "8"
    & skf18("9","7","9","2","3","6","1") = "8"
    & skf18("9","7","9","2","3","7","1") = "8"
    & skf18("9","7","9","2","3","8","1") = "8"
    & skf18("9","7","9","2","3","9","1") = "8"
    & skf18("9","7","9","2","3","10","1") = "9"
    & skf18("9","7","9","2","4","1","1") = "8"
    & skf18("9","7","9","2","4","2","1") = "8"
    & skf18("9","7","9","2","4","3","1") = "8"
    & skf18("9","7","9","2","4","4","1") = "8"
    & skf18("9","7","9","2","4","5","1") = "8"
    & skf18("9","7","9","2","4","6","1") = "8"
    & skf18("9","7","9","2","4","7","1") = "8"
    & skf18("9","7","9","2","4","8","1") = "8"
    & skf18("9","7","9","2","4","9","1") = "8"
    & skf18("9","7","9","2","4","10","1") = "9"
    & skf18("9","7","9","2","5","1","1") = "8"
    & skf18("9","7","9","2","5","2","1") = "8"
    & skf18("9","7","9","2","5","3","1") = "8"
    & skf18("9","7","9","2","5","4","1") = "8"
    & skf18("9","7","9","2","5","5","1") = "8"
    & skf18("9","7","9","2","5","6","1") = "8"
    & skf18("9","7","9","2","5","7","1") = "8"
    & skf18("9","7","9","2","5","8","1") = "8"
    & skf18("9","7","9","2","5","9","1") = "8"
    & skf18("9","7","9","2","5","10","1") = "9"
    & skf18("9","7","9","2","6","1","1") = "8"
    & skf18("9","7","9","2","6","2","1") = "8"
    & skf18("9","7","9","2","6","3","1") = "8"
    & skf18("9","7","9","2","6","4","1") = "8"
    & skf18("9","7","9","2","6","5","1") = "8"
    & skf18("9","7","9","2","6","6","1") = "8"
    & skf18("9","7","9","2","6","7","1") = "8"
    & skf18("9","7","9","2","6","8","1") = "8"
    & skf18("9","7","9","2","6","9","1") = "8"
    & skf18("9","7","9","2","6","10","1") = "9"
    & skf18("9","7","9","2","7","1","1") = "8"
    & skf18("9","7","9","2","7","2","1") = "8"
    & skf18("9","7","9","2","7","3","1") = "8"
    & skf18("9","7","9","2","7","4","1") = "8"
    & skf18("9","7","9","2","7","5","1") = "8"
    & skf18("9","7","9","2","7","6","1") = "8"
    & skf18("9","7","9","2","7","7","1") = "8"
    & skf18("9","7","9","2","7","8","1") = "8"
    & skf18("9","7","9","2","7","9","1") = "8"
    & skf18("9","7","9","2","7","10","1") = "9"
    & skf18("9","7","9","2","8","1","1") = "8"
    & skf18("9","7","9","2","8","2","1") = "8"
    & skf18("9","7","9","2","8","3","1") = "8"
    & skf18("9","7","9","2","8","4","1") = "8"
    & skf18("9","7","9","2","8","5","1") = "8"
    & skf18("9","7","9","2","8","6","1") = "8"
    & skf18("9","7","9","2","8","7","1") = "8"
    & skf18("9","7","9","2","8","8","1") = "8"
    & skf18("9","7","9","2","8","9","1") = "8"
    & skf18("9","7","9","2","8","10","1") = "9"
    & skf18("9","7","9","2","9","1","1") = "8"
    & skf18("9","7","9","2","9","2","1") = "8"
    & skf18("9","7","9","2","9","3","1") = "8"
    & skf18("9","7","9","2","9","4","1") = "8"
    & skf18("9","7","9","2","9","5","1") = "8"
    & skf18("9","7","9","2","9","6","1") = "8"
    & skf18("9","7","9","2","9","7","1") = "8"
    & skf18("9","7","9","2","9","8","1") = "8"
    & skf18("9","7","9","2","9","9","1") = "8"
    & skf18("9","7","9","2","9","10","1") = "9"
    & skf18("9","7","9","2","10","1","1") = "9"
    & skf18("9","7","9","2","10","2","1") = "9"
    & skf18("9","7","9","2","10","3","1") = "9"
    & skf18("9","7","9","2","10","4","1") = "9"
    & skf18("9","7","9","2","10","5","1") = "9"
    & skf18("9","7","9","2","10","6","1") = "9"
    & skf18("9","7","9","2","10","7","1") = "9"
    & skf18("9","7","9","2","10","8","1") = "9"
    & skf18("9","7","9","2","10","9","1") = "9"
    & skf18("9","7","9","2","10","10","1") = "9"
    & skf18("9","7","9","3","1","1","1") = "8"
    & skf18("9","7","9","3","1","2","1") = "8"
    & skf18("9","7","9","3","1","3","1") = "8"
    & skf18("9","7","9","3","1","4","1") = "8"
    & skf18("9","7","9","3","1","5","1") = "8"
    & skf18("9","7","9","3","1","6","1") = "8"
    & skf18("9","7","9","3","1","7","1") = "8"
    & skf18("9","7","9","3","1","8","1") = "8"
    & skf18("9","7","9","3","1","9","1") = "8"
    & skf18("9","7","9","3","1","10","1") = "9"
    & skf18("9","7","9","3","2","1","1") = "8"
    & skf18("9","7","9","3","2","2","1") = "8"
    & skf18("9","7","9","3","2","3","1") = "8"
    & skf18("9","7","9","3","2","4","1") = "8"
    & skf18("9","7","9","3","2","5","1") = "8"
    & skf18("9","7","9","3","2","6","1") = "8"
    & skf18("9","7","9","3","2","7","1") = "8"
    & skf18("9","7","9","3","2","8","1") = "8"
    & skf18("9","7","9","3","2","9","1") = "8"
    & skf18("9","7","9","3","2","10","1") = "9"
    & skf18("9","7","9","3","3","1","1") = "8"
    & skf18("9","7","9","3","3","2","1") = "8"
    & skf18("9","7","9","3","3","3","1") = "8"
    & skf18("9","7","9","3","3","4","1") = "8"
    & skf18("9","7","9","3","3","5","1") = "8"
    & skf18("9","7","9","3","3","6","1") = "8"
    & skf18("9","7","9","3","3","7","1") = "8"
    & skf18("9","7","9","3","3","8","1") = "8"
    & skf18("9","7","9","3","3","9","1") = "8"
    & skf18("9","7","9","3","3","10","1") = "9"
    & skf18("9","7","9","3","4","1","1") = "8"
    & skf18("9","7","9","3","4","2","1") = "8"
    & skf18("9","7","9","3","4","3","1") = "8"
    & skf18("9","7","9","3","4","4","1") = "8"
    & skf18("9","7","9","3","4","5","1") = "8"
    & skf18("9","7","9","3","4","6","1") = "8"
    & skf18("9","7","9","3","4","7","1") = "8"
    & skf18("9","7","9","3","4","8","1") = "8"
    & skf18("9","7","9","3","4","9","1") = "8"
    & skf18("9","7","9","3","4","10","1") = "9"
    & skf18("9","7","9","3","5","1","1") = "8"
    & skf18("9","7","9","3","5","2","1") = "8"
    & skf18("9","7","9","3","5","3","1") = "8"
    & skf18("9","7","9","3","5","4","1") = "8"
    & skf18("9","7","9","3","5","5","1") = "8"
    & skf18("9","7","9","3","5","6","1") = "8"
    & skf18("9","7","9","3","5","7","1") = "8"
    & skf18("9","7","9","3","5","8","1") = "8"
    & skf18("9","7","9","3","5","9","1") = "8"
    & skf18("9","7","9","3","5","10","1") = "9"
    & skf18("9","7","9","3","6","1","1") = "8"
    & skf18("9","7","9","3","6","2","1") = "8"
    & skf18("9","7","9","3","6","3","1") = "8"
    & skf18("9","7","9","3","6","4","1") = "8"
    & skf18("9","7","9","3","6","5","1") = "8"
    & skf18("9","7","9","3","6","6","1") = "8"
    & skf18("9","7","9","3","6","7","1") = "8"
    & skf18("9","7","9","3","6","8","1") = "8"
    & skf18("9","7","9","3","6","9","1") = "8"
    & skf18("9","7","9","3","6","10","1") = "9"
    & skf18("9","7","9","3","7","1","1") = "8"
    & skf18("9","7","9","3","7","2","1") = "8"
    & skf18("9","7","9","3","7","3","1") = "8"
    & skf18("9","7","9","3","7","4","1") = "8"
    & skf18("9","7","9","3","7","5","1") = "8"
    & skf18("9","7","9","3","7","6","1") = "8"
    & skf18("9","7","9","3","7","7","1") = "8"
    & skf18("9","7","9","3","7","8","1") = "8"
    & skf18("9","7","9","3","7","9","1") = "8"
    & skf18("9","7","9","3","7","10","1") = "9"
    & skf18("9","7","9","3","8","1","1") = "8"
    & skf18("9","7","9","3","8","2","1") = "8"
    & skf18("9","7","9","3","8","3","1") = "8"
    & skf18("9","7","9","3","8","4","1") = "8"
    & skf18("9","7","9","3","8","5","1") = "8"
    & skf18("9","7","9","3","8","6","1") = "8"
    & skf18("9","7","9","3","8","7","1") = "8"
    & skf18("9","7","9","3","8","8","1") = "8"
    & skf18("9","7","9","3","8","9","1") = "8"
    & skf18("9","7","9","3","8","10","1") = "9"
    & skf18("9","7","9","3","9","1","1") = "8"
    & skf18("9","7","9","3","9","2","1") = "8"
    & skf18("9","7","9","3","9","3","1") = "8"
    & skf18("9","7","9","3","9","4","1") = "8"
    & skf18("9","7","9","3","9","5","1") = "8"
    & skf18("9","7","9","3","9","6","1") = "8"
    & skf18("9","7","9","3","9","7","1") = "8"
    & skf18("9","7","9","3","9","8","1") = "8"
    & skf18("9","7","9","3","9","9","1") = "8"
    & skf18("9","7","9","3","9","10","1") = "9"
    & skf18("9","7","9","3","10","1","1") = "9"
    & skf18("9","7","9","3","10","2","1") = "9"
    & skf18("9","7","9","3","10","3","1") = "9"
    & skf18("9","7","9","3","10","4","1") = "9"
    & skf18("9","7","9","3","10","5","1") = "9"
    & skf18("9","7","9","3","10","6","1") = "9"
    & skf18("9","7","9","3","10","7","1") = "9"
    & skf18("9","7","9","3","10","8","1") = "9"
    & skf18("9","7","9","3","10","9","1") = "9"
    & skf18("9","7","9","3","10","10","1") = "9"
    & skf18("9","7","9","4","1","1","1") = "8"
    & skf18("9","7","9","4","1","2","1") = "8"
    & skf18("9","7","9","4","1","3","1") = "8"
    & skf18("9","7","9","4","1","4","1") = "8"
    & skf18("9","7","9","4","1","5","1") = "8"
    & skf18("9","7","9","4","1","6","1") = "8"
    & skf18("9","7","9","4","1","7","1") = "8"
    & skf18("9","7","9","4","1","8","1") = "8"
    & skf18("9","7","9","4","1","9","1") = "8"
    & skf18("9","7","9","4","1","10","1") = "9"
    & skf18("9","7","9","4","2","1","1") = "8"
    & skf18("9","7","9","4","2","2","1") = "8"
    & skf18("9","7","9","4","2","3","1") = "8"
    & skf18("9","7","9","4","2","4","1") = "8"
    & skf18("9","7","9","4","2","5","1") = "8"
    & skf18("9","7","9","4","2","6","1") = "8"
    & skf18("9","7","9","4","2","7","1") = "8"
    & skf18("9","7","9","4","2","8","1") = "8"
    & skf18("9","7","9","4","2","9","1") = "8"
    & skf18("9","7","9","4","2","10","1") = "9"
    & skf18("9","7","9","4","3","1","1") = "8"
    & skf18("9","7","9","4","3","2","1") = "8"
    & skf18("9","7","9","4","3","3","1") = "8"
    & skf18("9","7","9","4","3","4","1") = "8"
    & skf18("9","7","9","4","3","5","1") = "8"
    & skf18("9","7","9","4","3","6","1") = "8"
    & skf18("9","7","9","4","3","7","1") = "8"
    & skf18("9","7","9","4","3","8","1") = "8"
    & skf18("9","7","9","4","3","9","1") = "8"
    & skf18("9","7","9","4","3","10","1") = "9"
    & skf18("9","7","9","4","4","1","1") = "8"
    & skf18("9","7","9","4","4","2","1") = "8"
    & skf18("9","7","9","4","4","3","1") = "8"
    & skf18("9","7","9","4","4","4","1") = "8"
    & skf18("9","7","9","4","4","5","1") = "8"
    & skf18("9","7","9","4","4","6","1") = "8"
    & skf18("9","7","9","4","4","7","1") = "8"
    & skf18("9","7","9","4","4","8","1") = "8"
    & skf18("9","7","9","4","4","9","1") = "8"
    & skf18("9","7","9","4","4","10","1") = "9"
    & skf18("9","7","9","4","5","1","1") = "8"
    & skf18("9","7","9","4","5","2","1") = "8"
    & skf18("9","7","9","4","5","3","1") = "8"
    & skf18("9","7","9","4","5","4","1") = "8"
    & skf18("9","7","9","4","5","5","1") = "8"
    & skf18("9","7","9","4","5","6","1") = "8"
    & skf18("9","7","9","4","5","7","1") = "8"
    & skf18("9","7","9","4","5","8","1") = "8"
    & skf18("9","7","9","4","5","9","1") = "8"
    & skf18("9","7","9","4","5","10","1") = "9"
    & skf18("9","7","9","4","6","1","1") = "8"
    & skf18("9","7","9","4","6","2","1") = "8"
    & skf18("9","7","9","4","6","3","1") = "8"
    & skf18("9","7","9","4","6","4","1") = "8"
    & skf18("9","7","9","4","6","5","1") = "8"
    & skf18("9","7","9","4","6","6","1") = "8"
    & skf18("9","7","9","4","6","7","1") = "8"
    & skf18("9","7","9","4","6","8","1") = "8"
    & skf18("9","7","9","4","6","9","1") = "8"
    & skf18("9","7","9","4","6","10","1") = "9"
    & skf18("9","7","9","4","7","1","1") = "8"
    & skf18("9","7","9","4","7","2","1") = "8"
    & skf18("9","7","9","4","7","3","1") = "8"
    & skf18("9","7","9","4","7","4","1") = "8"
    & skf18("9","7","9","4","7","5","1") = "8"
    & skf18("9","7","9","4","7","6","1") = "8"
    & skf18("9","7","9","4","7","7","1") = "8"
    & skf18("9","7","9","4","7","8","1") = "8"
    & skf18("9","7","9","4","7","9","1") = "8"
    & skf18("9","7","9","4","7","10","1") = "9"
    & skf18("9","7","9","4","8","1","1") = "8"
    & skf18("9","7","9","4","8","2","1") = "8"
    & skf18("9","7","9","4","8","3","1") = "8"
    & skf18("9","7","9","4","8","4","1") = "8"
    & skf18("9","7","9","4","8","5","1") = "8"
    & skf18("9","7","9","4","8","6","1") = "8"
    & skf18("9","7","9","4","8","7","1") = "8"
    & skf18("9","7","9","4","8","8","1") = "8"
    & skf18("9","7","9","4","8","9","1") = "8"
    & skf18("9","7","9","4","8","10","1") = "9"
    & skf18("9","7","9","4","9","1","1") = "8"
    & skf18("9","7","9","4","9","2","1") = "8"
    & skf18("9","7","9","4","9","3","1") = "8"
    & skf18("9","7","9","4","9","4","1") = "8"
    & skf18("9","7","9","4","9","5","1") = "8"
    & skf18("9","7","9","4","9","6","1") = "8"
    & skf18("9","7","9","4","9","7","1") = "8"
    & skf18("9","7","9","4","9","8","1") = "8"
    & skf18("9","7","9","4","9","9","1") = "8"
    & skf18("9","7","9","4","9","10","1") = "9"
    & skf18("9","7","9","4","10","1","1") = "9"
    & skf18("9","7","9","4","10","2","1") = "9"
    & skf18("9","7","9","4","10","3","1") = "9"
    & skf18("9","7","9","4","10","4","1") = "9"
    & skf18("9","7","9","4","10","5","1") = "9"
    & skf18("9","7","9","4","10","6","1") = "9"
    & skf18("9","7","9","4","10","7","1") = "9"
    & skf18("9","7","9","4","10","8","1") = "9"
    & skf18("9","7","9","4","10","9","1") = "9"
    & skf18("9","7","9","4","10","10","1") = "9"
    & skf18("9","7","9","5","1","1","1") = "8"
    & skf18("9","7","9","5","1","2","1") = "8"
    & skf18("9","7","9","5","1","3","1") = "8"
    & skf18("9","7","9","5","1","4","1") = "8"
    & skf18("9","7","9","5","1","5","1") = "8"
    & skf18("9","7","9","5","1","6","1") = "8"
    & skf18("9","7","9","5","1","7","1") = "8"
    & skf18("9","7","9","5","1","8","1") = "8"
    & skf18("9","7","9","5","1","9","1") = "8"
    & skf18("9","7","9","5","1","10","1") = "9"
    & skf18("9","7","9","5","2","1","1") = "8"
    & skf18("9","7","9","5","2","2","1") = "8"
    & skf18("9","7","9","5","2","3","1") = "8"
    & skf18("9","7","9","5","2","4","1") = "8"
    & skf18("9","7","9","5","2","5","1") = "8"
    & skf18("9","7","9","5","2","6","1") = "8"
    & skf18("9","7","9","5","2","7","1") = "8"
    & skf18("9","7","9","5","2","8","1") = "8"
    & skf18("9","7","9","5","2","9","1") = "8"
    & skf18("9","7","9","5","2","10","1") = "9"
    & skf18("9","7","9","5","3","1","1") = "8"
    & skf18("9","7","9","5","3","2","1") = "8"
    & skf18("9","7","9","5","3","3","1") = "8"
    & skf18("9","7","9","5","3","4","1") = "8"
    & skf18("9","7","9","5","3","5","1") = "8"
    & skf18("9","7","9","5","3","6","1") = "8"
    & skf18("9","7","9","5","3","7","1") = "8"
    & skf18("9","7","9","5","3","8","1") = "8"
    & skf18("9","7","9","5","3","9","1") = "8"
    & skf18("9","7","9","5","3","10","1") = "9"
    & skf18("9","7","9","5","4","1","1") = "8"
    & skf18("9","7","9","5","4","2","1") = "8"
    & skf18("9","7","9","5","4","3","1") = "8"
    & skf18("9","7","9","5","4","4","1") = "8"
    & skf18("9","7","9","5","4","5","1") = "8"
    & skf18("9","7","9","5","4","6","1") = "8"
    & skf18("9","7","9","5","4","7","1") = "8"
    & skf18("9","7","9","5","4","8","1") = "8"
    & skf18("9","7","9","5","4","9","1") = "8"
    & skf18("9","7","9","5","4","10","1") = "9"
    & skf18("9","7","9","5","5","1","1") = "8"
    & skf18("9","7","9","5","5","2","1") = "8"
    & skf18("9","7","9","5","5","3","1") = "8"
    & skf18("9","7","9","5","5","4","1") = "8"
    & skf18("9","7","9","5","5","5","1") = "8"
    & skf18("9","7","9","5","5","6","1") = "8"
    & skf18("9","7","9","5","5","7","1") = "8"
    & skf18("9","7","9","5","5","8","1") = "8"
    & skf18("9","7","9","5","5","9","1") = "8"
    & skf18("9","7","9","5","5","10","1") = "9"
    & skf18("9","7","9","5","6","1","1") = "8"
    & skf18("9","7","9","5","6","2","1") = "8"
    & skf18("9","7","9","5","6","3","1") = "8"
    & skf18("9","7","9","5","6","4","1") = "8"
    & skf18("9","7","9","5","6","5","1") = "8"
    & skf18("9","7","9","5","6","6","1") = "8"
    & skf18("9","7","9","5","6","7","1") = "8"
    & skf18("9","7","9","5","6","8","1") = "8"
    & skf18("9","7","9","5","6","9","1") = "8"
    & skf18("9","7","9","5","6","10","1") = "9"
    & skf18("9","7","9","5","7","1","1") = "8"
    & skf18("9","7","9","5","7","2","1") = "8"
    & skf18("9","7","9","5","7","3","1") = "8"
    & skf18("9","7","9","5","7","4","1") = "8"
    & skf18("9","7","9","5","7","5","1") = "8"
    & skf18("9","7","9","5","7","6","1") = "8"
    & skf18("9","7","9","5","7","7","1") = "8"
    & skf18("9","7","9","5","7","8","1") = "8"
    & skf18("9","7","9","5","7","9","1") = "8"
    & skf18("9","7","9","5","7","10","1") = "9"
    & skf18("9","7","9","5","8","1","1") = "8"
    & skf18("9","7","9","5","8","2","1") = "8"
    & skf18("9","7","9","5","8","3","1") = "8"
    & skf18("9","7","9","5","8","4","1") = "8"
    & skf18("9","7","9","5","8","5","1") = "8"
    & skf18("9","7","9","5","8","6","1") = "8"
    & skf18("9","7","9","5","8","7","1") = "8"
    & skf18("9","7","9","5","8","8","1") = "8"
    & skf18("9","7","9","5","8","9","1") = "8"
    & skf18("9","7","9","5","8","10","1") = "9"
    & skf18("9","7","9","5","9","1","1") = "8"
    & skf18("9","7","9","5","9","2","1") = "8"
    & skf18("9","7","9","5","9","3","1") = "8"
    & skf18("9","7","9","5","9","4","1") = "8"
    & skf18("9","7","9","5","9","5","1") = "8"
    & skf18("9","7","9","5","9","6","1") = "8"
    & skf18("9","7","9","5","9","7","1") = "8"
    & skf18("9","7","9","5","9","8","1") = "8"
    & skf18("9","7","9","5","9","9","1") = "8"
    & skf18("9","7","9","5","9","10","1") = "9"
    & skf18("9","7","9","5","10","1","1") = "9"
    & skf18("9","7","9","5","10","2","1") = "9"
    & skf18("9","7","9","5","10","3","1") = "9"
    & skf18("9","7","9","5","10","4","1") = "9"
    & skf18("9","7","9","5","10","5","1") = "9"
    & skf18("9","7","9","5","10","6","1") = "9"
    & skf18("9","7","9","5","10","7","1") = "9"
    & skf18("9","7","9","5","10","8","1") = "9"
    & skf18("9","7","9","5","10","9","1") = "9"
    & skf18("9","7","9","5","10","10","1") = "9"
    & skf18("9","7","9","6","1","1","1") = "8"
    & skf18("9","7","9","6","1","2","1") = "8"
    & skf18("9","7","9","6","1","3","1") = "8"
    & skf18("9","7","9","6","1","4","1") = "8"
    & skf18("9","7","9","6","1","5","1") = "8"
    & skf18("9","7","9","6","1","6","1") = "8"
    & skf18("9","7","9","6","1","7","1") = "8"
    & skf18("9","7","9","6","1","8","1") = "8"
    & skf18("9","7","9","6","1","9","1") = "8"
    & skf18("9","7","9","6","1","10","1") = "9"
    & skf18("9","7","9","6","2","1","1") = "8"
    & skf18("9","7","9","6","2","2","1") = "8"
    & skf18("9","7","9","6","2","3","1") = "8"
    & skf18("9","7","9","6","2","4","1") = "8"
    & skf18("9","7","9","6","2","5","1") = "8"
    & skf18("9","7","9","6","2","6","1") = "8"
    & skf18("9","7","9","6","2","7","1") = "8"
    & skf18("9","7","9","6","2","8","1") = "8"
    & skf18("9","7","9","6","2","9","1") = "8"
    & skf18("9","7","9","6","2","10","1") = "9"
    & skf18("9","7","9","6","3","1","1") = "8"
    & skf18("9","7","9","6","3","2","1") = "8"
    & skf18("9","7","9","6","3","3","1") = "8"
    & skf18("9","7","9","6","3","4","1") = "8"
    & skf18("9","7","9","6","3","5","1") = "8"
    & skf18("9","7","9","6","3","6","1") = "8"
    & skf18("9","7","9","6","3","7","1") = "8"
    & skf18("9","7","9","6","3","8","1") = "8"
    & skf18("9","7","9","6","3","9","1") = "8"
    & skf18("9","7","9","6","3","10","1") = "9"
    & skf18("9","7","9","6","4","1","1") = "8"
    & skf18("9","7","9","6","4","2","1") = "8"
    & skf18("9","7","9","6","4","3","1") = "8"
    & skf18("9","7","9","6","4","4","1") = "8"
    & skf18("9","7","9","6","4","5","1") = "8"
    & skf18("9","7","9","6","4","6","1") = "8"
    & skf18("9","7","9","6","4","7","1") = "8"
    & skf18("9","7","9","6","4","8","1") = "8"
    & skf18("9","7","9","6","4","9","1") = "8"
    & skf18("9","7","9","6","4","10","1") = "9"
    & skf18("9","7","9","6","5","1","1") = "8"
    & skf18("9","7","9","6","5","2","1") = "8"
    & skf18("9","7","9","6","5","3","1") = "8"
    & skf18("9","7","9","6","5","4","1") = "8"
    & skf18("9","7","9","6","5","5","1") = "8"
    & skf18("9","7","9","6","5","6","1") = "8"
    & skf18("9","7","9","6","5","7","1") = "8"
    & skf18("9","7","9","6","5","8","1") = "8"
    & skf18("9","7","9","6","5","9","1") = "8"
    & skf18("9","7","9","6","5","10","1") = "9"
    & skf18("9","7","9","6","6","1","1") = "8"
    & skf18("9","7","9","6","6","2","1") = "8"
    & skf18("9","7","9","6","6","3","1") = "8"
    & skf18("9","7","9","6","6","4","1") = "8"
    & skf18("9","7","9","6","6","5","1") = "8"
    & skf18("9","7","9","6","6","6","1") = "8"
    & skf18("9","7","9","6","6","7","1") = "8"
    & skf18("9","7","9","6","6","8","1") = "8"
    & skf18("9","7","9","6","6","9","1") = "8"
    & skf18("9","7","9","6","6","10","1") = "9"
    & skf18("9","7","9","6","7","1","1") = "8"
    & skf18("9","7","9","6","7","2","1") = "8"
    & skf18("9","7","9","6","7","3","1") = "8"
    & skf18("9","7","9","6","7","4","1") = "8"
    & skf18("9","7","9","6","7","5","1") = "8"
    & skf18("9","7","9","6","7","6","1") = "8"
    & skf18("9","7","9","6","7","7","1") = "8"
    & skf18("9","7","9","6","7","8","1") = "8"
    & skf18("9","7","9","6","7","9","1") = "8"
    & skf18("9","7","9","6","7","10","1") = "9"
    & skf18("9","7","9","6","8","1","1") = "8"
    & skf18("9","7","9","6","8","2","1") = "8"
    & skf18("9","7","9","6","8","3","1") = "8"
    & skf18("9","7","9","6","8","4","1") = "8"
    & skf18("9","7","9","6","8","5","1") = "8"
    & skf18("9","7","9","6","8","6","1") = "8"
    & skf18("9","7","9","6","8","7","1") = "8"
    & skf18("9","7","9","6","8","8","1") = "8"
    & skf18("9","7","9","6","8","9","1") = "8"
    & skf18("9","7","9","6","8","10","1") = "9"
    & skf18("9","7","9","6","9","1","1") = "8"
    & skf18("9","7","9","6","9","2","1") = "8"
    & skf18("9","7","9","6","9","3","1") = "8"
    & skf18("9","7","9","6","9","4","1") = "8"
    & skf18("9","7","9","6","9","5","1") = "8"
    & skf18("9","7","9","6","9","6","1") = "8"
    & skf18("9","7","9","6","9","7","1") = "8"
    & skf18("9","7","9","6","9","8","1") = "8"
    & skf18("9","7","9","6","9","9","1") = "8"
    & skf18("9","7","9","6","9","10","1") = "9"
    & skf18("9","7","9","6","10","1","1") = "9"
    & skf18("9","7","9","6","10","2","1") = "9"
    & skf18("9","7","9","6","10","3","1") = "9"
    & skf18("9","7","9","6","10","4","1") = "9"
    & skf18("9","7","9","6","10","5","1") = "9"
    & skf18("9","7","9","6","10","6","1") = "9"
    & skf18("9","7","9","6","10","7","1") = "9"
    & skf18("9","7","9","6","10","8","1") = "9"
    & skf18("9","7","9","6","10","9","1") = "9"
    & skf18("9","7","9","6","10","10","1") = "9"
    & skf18("9","7","9","7","1","1","1") = "8"
    & skf18("9","7","9","7","1","2","1") = "8"
    & skf18("9","7","9","7","1","3","1") = "8"
    & skf18("9","7","9","7","1","4","1") = "8"
    & skf18("9","7","9","7","1","5","1") = "8"
    & skf18("9","7","9","7","1","6","1") = "8"
    & skf18("9","7","9","7","1","7","1") = "8"
    & skf18("9","7","9","7","1","8","1") = "8"
    & skf18("9","7","9","7","1","9","1") = "8"
    & skf18("9","7","9","7","1","10","1") = "9"
    & skf18("9","7","9","7","2","1","1") = "8"
    & skf18("9","7","9","7","2","2","1") = "8"
    & skf18("9","7","9","7","2","3","1") = "8"
    & skf18("9","7","9","7","2","4","1") = "8"
    & skf18("9","7","9","7","2","5","1") = "8"
    & skf18("9","7","9","7","2","6","1") = "8"
    & skf18("9","7","9","7","2","7","1") = "8"
    & skf18("9","7","9","7","2","8","1") = "8"
    & skf18("9","7","9","7","2","9","1") = "8"
    & skf18("9","7","9","7","2","10","1") = "9"
    & skf18("9","7","9","7","3","1","1") = "8"
    & skf18("9","7","9","7","3","2","1") = "8"
    & skf18("9","7","9","7","3","3","1") = "8"
    & skf18("9","7","9","7","3","4","1") = "8"
    & skf18("9","7","9","7","3","5","1") = "8"
    & skf18("9","7","9","7","3","6","1") = "8"
    & skf18("9","7","9","7","3","7","1") = "8"
    & skf18("9","7","9","7","3","8","1") = "8"
    & skf18("9","7","9","7","3","9","1") = "8"
    & skf18("9","7","9","7","3","10","1") = "9"
    & skf18("9","7","9","7","4","1","1") = "8"
    & skf18("9","7","9","7","4","2","1") = "8"
    & skf18("9","7","9","7","4","3","1") = "8"
    & skf18("9","7","9","7","4","4","1") = "8"
    & skf18("9","7","9","7","4","5","1") = "8"
    & skf18("9","7","9","7","4","6","1") = "8"
    & skf18("9","7","9","7","4","7","1") = "8"
    & skf18("9","7","9","7","4","8","1") = "8"
    & skf18("9","7","9","7","4","9","1") = "8"
    & skf18("9","7","9","7","4","10","1") = "9"
    & skf18("9","7","9","7","5","1","1") = "8"
    & skf18("9","7","9","7","5","2","1") = "8"
    & skf18("9","7","9","7","5","3","1") = "8"
    & skf18("9","7","9","7","5","4","1") = "8"
    & skf18("9","7","9","7","5","5","1") = "8"
    & skf18("9","7","9","7","5","6","1") = "8"
    & skf18("9","7","9","7","5","7","1") = "8"
    & skf18("9","7","9","7","5","8","1") = "8"
    & skf18("9","7","9","7","5","9","1") = "8"
    & skf18("9","7","9","7","5","10","1") = "9"
    & skf18("9","7","9","7","6","1","1") = "8"
    & skf18("9","7","9","7","6","2","1") = "8"
    & skf18("9","7","9","7","6","3","1") = "8"
    & skf18("9","7","9","7","6","4","1") = "8"
    & skf18("9","7","9","7","6","5","1") = "8"
    & skf18("9","7","9","7","6","6","1") = "8"
    & skf18("9","7","9","7","6","7","1") = "8"
    & skf18("9","7","9","7","6","8","1") = "8"
    & skf18("9","7","9","7","6","9","1") = "8"
    & skf18("9","7","9","7","6","10","1") = "9"
    & skf18("9","7","9","7","7","1","1") = "8"
    & skf18("9","7","9","7","7","2","1") = "8"
    & skf18("9","7","9","7","7","3","1") = "8"
    & skf18("9","7","9","7","7","4","1") = "8"
    & skf18("9","7","9","7","7","5","1") = "8"
    & skf18("9","7","9","7","7","6","1") = "8"
    & skf18("9","7","9","7","7","7","1") = "8"
    & skf18("9","7","9","7","7","8","1") = "8"
    & skf18("9","7","9","7","7","9","1") = "8"
    & skf18("9","7","9","7","7","10","1") = "9"
    & skf18("9","7","9","7","8","1","1") = "8"
    & skf18("9","7","9","7","8","2","1") = "8"
    & skf18("9","7","9","7","8","3","1") = "8"
    & skf18("9","7","9","7","8","4","1") = "8"
    & skf18("9","7","9","7","8","5","1") = "8"
    & skf18("9","7","9","7","8","6","1") = "8"
    & skf18("9","7","9","7","8","7","1") = "8"
    & skf18("9","7","9","7","8","8","1") = "8"
    & skf18("9","7","9","7","8","9","1") = "8"
    & skf18("9","7","9","7","8","10","1") = "9"
    & skf18("9","7","9","7","9","1","1") = "8"
    & skf18("9","7","9","7","9","2","1") = "8"
    & skf18("9","7","9","7","9","3","1") = "8"
    & skf18("9","7","9","7","9","4","1") = "8"
    & skf18("9","7","9","7","9","5","1") = "8"
    & skf18("9","7","9","7","9","6","1") = "8"
    & skf18("9","7","9","7","9","7","1") = "8"
    & skf18("9","7","9","7","9","8","1") = "8"
    & skf18("9","7","9","7","9","9","1") = "8"
    & skf18("9","7","9","7","9","10","1") = "9"
    & skf18("9","7","9","7","10","1","1") = "9"
    & skf18("9","7","9","7","10","2","1") = "9"
    & skf18("9","7","9","7","10","3","1") = "9"
    & skf18("9","7","9","7","10","4","1") = "9"
    & skf18("9","7","9","7","10","5","1") = "9"
    & skf18("9","7","9","7","10","6","1") = "9"
    & skf18("9","7","9","7","10","7","1") = "9"
    & skf18("9","7","9","7","10","8","1") = "9"
    & skf18("9","7","9","7","10","9","1") = "9"
    & skf18("9","7","9","7","10","10","1") = "9"
    & skf18("9","7","9","8","1","1","1") = "8"
    & skf18("9","7","9","8","1","2","1") = "8"
    & skf18("9","7","9","8","1","3","1") = "8"
    & skf18("9","7","9","8","1","4","1") = "8"
    & skf18("9","7","9","8","1","5","1") = "8"
    & skf18("9","7","9","8","1","6","1") = "8"
    & skf18("9","7","9","8","1","7","1") = "8"
    & skf18("9","7","9","8","1","8","1") = "8"
    & skf18("9","7","9","8","1","9","1") = "8"
    & skf18("9","7","9","8","1","10","1") = "9"
    & skf18("9","7","9","8","2","1","1") = "8"
    & skf18("9","7","9","8","2","2","1") = "8"
    & skf18("9","7","9","8","2","3","1") = "8"
    & skf18("9","7","9","8","2","4","1") = "8"
    & skf18("9","7","9","8","2","5","1") = "8"
    & skf18("9","7","9","8","2","6","1") = "8"
    & skf18("9","7","9","8","2","7","1") = "8"
    & skf18("9","7","9","8","2","8","1") = "8"
    & skf18("9","7","9","8","2","9","1") = "8"
    & skf18("9","7","9","8","2","10","1") = "9"
    & skf18("9","7","9","8","3","1","1") = "8"
    & skf18("9","7","9","8","3","2","1") = "8"
    & skf18("9","7","9","8","3","3","1") = "8"
    & skf18("9","7","9","8","3","4","1") = "8"
    & skf18("9","7","9","8","3","5","1") = "8"
    & skf18("9","7","9","8","3","6","1") = "8"
    & skf18("9","7","9","8","3","7","1") = "8"
    & skf18("9","7","9","8","3","8","1") = "8"
    & skf18("9","7","9","8","3","9","1") = "8"
    & skf18("9","7","9","8","3","10","1") = "9"
    & skf18("9","7","9","8","4","1","1") = "8"
    & skf18("9","7","9","8","4","2","1") = "8"
    & skf18("9","7","9","8","4","3","1") = "8"
    & skf18("9","7","9","8","4","4","1") = "8"
    & skf18("9","7","9","8","4","5","1") = "8"
    & skf18("9","7","9","8","4","6","1") = "8"
    & skf18("9","7","9","8","4","7","1") = "8"
    & skf18("9","7","9","8","4","8","1") = "8"
    & skf18("9","7","9","8","4","9","1") = "8"
    & skf18("9","7","9","8","4","10","1") = "9"
    & skf18("9","7","9","8","5","1","1") = "8"
    & skf18("9","7","9","8","5","2","1") = "8"
    & skf18("9","7","9","8","5","3","1") = "8"
    & skf18("9","7","9","8","5","4","1") = "8"
    & skf18("9","7","9","8","5","5","1") = "8"
    & skf18("9","7","9","8","5","6","1") = "8"
    & skf18("9","7","9","8","5","7","1") = "8"
    & skf18("9","7","9","8","5","8","1") = "8"
    & skf18("9","7","9","8","5","9","1") = "8"
    & skf18("9","7","9","8","5","10","1") = "9"
    & skf18("9","7","9","8","6","1","1") = "8"
    & skf18("9","7","9","8","6","2","1") = "8"
    & skf18("9","7","9","8","6","3","1") = "8"
    & skf18("9","7","9","8","6","4","1") = "8"
    & skf18("9","7","9","8","6","5","1") = "8"
    & skf18("9","7","9","8","6","6","1") = "8"
    & skf18("9","7","9","8","6","7","1") = "8"
    & skf18("9","7","9","8","6","8","1") = "8"
    & skf18("9","7","9","8","6","9","1") = "8"
    & skf18("9","7","9","8","6","10","1") = "9"
    & skf18("9","7","9","8","7","1","1") = "8"
    & skf18("9","7","9","8","7","2","1") = "8"
    & skf18("9","7","9","8","7","3","1") = "8"
    & skf18("9","7","9","8","7","4","1") = "8"
    & skf18("9","7","9","8","7","5","1") = "8"
    & skf18("9","7","9","8","7","6","1") = "8"
    & skf18("9","7","9","8","7","7","1") = "8"
    & skf18("9","7","9","8","7","8","1") = "8"
    & skf18("9","7","9","8","7","9","1") = "8"
    & skf18("9","7","9","8","7","10","1") = "9"
    & skf18("9","7","9","8","8","1","1") = "8"
    & skf18("9","7","9","8","8","2","1") = "8"
    & skf18("9","7","9","8","8","3","1") = "8"
    & skf18("9","7","9","8","8","4","1") = "8"
    & skf18("9","7","9","8","8","5","1") = "8"
    & skf18("9","7","9","8","8","6","1") = "8"
    & skf18("9","7","9","8","8","7","1") = "8"
    & skf18("9","7","9","8","8","8","1") = "8"
    & skf18("9","7","9","8","8","9","1") = "8"
    & skf18("9","7","9","8","8","10","1") = "9"
    & skf18("9","7","9","8","9","1","1") = "8"
    & skf18("9","7","9","8","9","2","1") = "8"
    & skf18("9","7","9","8","9","3","1") = "8"
    & skf18("9","7","9","8","9","4","1") = "8"
    & skf18("9","7","9","8","9","5","1") = "8"
    & skf18("9","7","9","8","9","6","1") = "8"
    & skf18("9","7","9","8","9","7","1") = "8"
    & skf18("9","7","9","8","9","8","1") = "8"
    & skf18("9","7","9","8","9","9","1") = "8"
    & skf18("9","7","9","8","9","10","1") = "9"
    & skf18("9","7","9","8","10","1","1") = "9"
    & skf18("9","7","9","8","10","2","1") = "9"
    & skf18("9","7","9","8","10","3","1") = "9"
    & skf18("9","7","9","8","10","4","1") = "9"
    & skf18("9","7","9","8","10","5","1") = "9"
    & skf18("9","7","9","8","10","6","1") = "9"
    & skf18("9","7","9","8","10","7","1") = "9"
    & skf18("9","7","9","8","10","8","1") = "9"
    & skf18("9","7","9","8","10","9","1") = "9"
    & skf18("9","7","9","8","10","10","1") = "9"
    & skf18("9","7","9","9","1","1","1") = "8"
    & skf18("9","7","9","9","1","2","1") = "8"
    & skf18("9","7","9","9","1","3","1") = "8"
    & skf18("9","7","9","9","1","4","1") = "8"
    & skf18("9","7","9","9","1","5","1") = "8"
    & skf18("9","7","9","9","1","6","1") = "8"
    & skf18("9","7","9","9","1","7","1") = "8"
    & skf18("9","7","9","9","1","8","1") = "8"
    & skf18("9","7","9","9","1","9","1") = "8"
    & skf18("9","7","9","9","1","10","1") = "9"
    & skf18("9","7","9","9","2","1","1") = "8"
    & skf18("9","7","9","9","2","2","1") = "8"
    & skf18("9","7","9","9","2","3","1") = "8"
    & skf18("9","7","9","9","2","4","1") = "8"
    & skf18("9","7","9","9","2","5","1") = "8"
    & skf18("9","7","9","9","2","6","1") = "8"
    & skf18("9","7","9","9","2","7","1") = "8"
    & skf18("9","7","9","9","2","8","1") = "8"
    & skf18("9","7","9","9","2","9","1") = "8"
    & skf18("9","7","9","9","2","10","1") = "9"
    & skf18("9","7","9","9","3","1","1") = "8"
    & skf18("9","7","9","9","3","2","1") = "8"
    & skf18("9","7","9","9","3","3","1") = "8"
    & skf18("9","7","9","9","3","4","1") = "8"
    & skf18("9","7","9","9","3","5","1") = "8"
    & skf18("9","7","9","9","3","6","1") = "8"
    & skf18("9","7","9","9","3","7","1") = "8"
    & skf18("9","7","9","9","3","8","1") = "8"
    & skf18("9","7","9","9","3","9","1") = "8"
    & skf18("9","7","9","9","3","10","1") = "9"
    & skf18("9","7","9","9","4","1","1") = "8"
    & skf18("9","7","9","9","4","2","1") = "8"
    & skf18("9","7","9","9","4","3","1") = "8"
    & skf18("9","7","9","9","4","4","1") = "8"
    & skf18("9","7","9","9","4","5","1") = "8"
    & skf18("9","7","9","9","4","6","1") = "8"
    & skf18("9","7","9","9","4","7","1") = "8"
    & skf18("9","7","9","9","4","8","1") = "8"
    & skf18("9","7","9","9","4","9","1") = "8"
    & skf18("9","7","9","9","4","10","1") = "9"
    & skf18("9","7","9","9","5","1","1") = "8"
    & skf18("9","7","9","9","5","2","1") = "8"
    & skf18("9","7","9","9","5","3","1") = "8"
    & skf18("9","7","9","9","5","4","1") = "8"
    & skf18("9","7","9","9","5","5","1") = "8"
    & skf18("9","7","9","9","5","6","1") = "8"
    & skf18("9","7","9","9","5","7","1") = "8"
    & skf18("9","7","9","9","5","8","1") = "8"
    & skf18("9","7","9","9","5","9","1") = "8"
    & skf18("9","7","9","9","5","10","1") = "9"
    & skf18("9","7","9","9","6","1","1") = "8"
    & skf18("9","7","9","9","6","2","1") = "8"
    & skf18("9","7","9","9","6","3","1") = "8"
    & skf18("9","7","9","9","6","4","1") = "8"
    & skf18("9","7","9","9","6","5","1") = "8"
    & skf18("9","7","9","9","6","6","1") = "8"
    & skf18("9","7","9","9","6","7","1") = "8"
    & skf18("9","7","9","9","6","8","1") = "8"
    & skf18("9","7","9","9","6","9","1") = "8"
    & skf18("9","7","9","9","6","10","1") = "9"
    & skf18("9","7","9","9","7","1","1") = "8"
    & skf18("9","7","9","9","7","2","1") = "8"
    & skf18("9","7","9","9","7","3","1") = "8"
    & skf18("9","7","9","9","7","4","1") = "8"
    & skf18("9","7","9","9","7","5","1") = "8"
    & skf18("9","7","9","9","7","6","1") = "8"
    & skf18("9","7","9","9","7","7","1") = "8"
    & skf18("9","7","9","9","7","8","1") = "8"
    & skf18("9","7","9","9","7","9","1") = "8"
    & skf18("9","7","9","9","7","10","1") = "9"
    & skf18("9","7","9","9","8","1","1") = "8"
    & skf18("9","7","9","9","8","2","1") = "8"
    & skf18("9","7","9","9","8","3","1") = "8"
    & skf18("9","7","9","9","8","4","1") = "8"
    & skf18("9","7","9","9","8","5","1") = "8"
    & skf18("9","7","9","9","8","6","1") = "8"
    & skf18("9","7","9","9","8","7","1") = "8"
    & skf18("9","7","9","9","8","8","1") = "8"
    & skf18("9","7","9","9","8","9","1") = "8"
    & skf18("9","7","9","9","8","10","1") = "9"
    & skf18("9","7","9","9","9","1","1") = "8"
    & skf18("9","7","9","9","9","2","1") = "8"
    & skf18("9","7","9","9","9","3","1") = "8"
    & skf18("9","7","9","9","9","4","1") = "8"
    & skf18("9","7","9","9","9","5","1") = "8"
    & skf18("9","7","9","9","9","6","1") = "8"
    & skf18("9","7","9","9","9","7","1") = "8"
    & skf18("9","7","9","9","9","8","1") = "8"
    & skf18("9","7","9","9","9","9","1") = "8"
    & skf18("9","7","9","9","9","10","1") = "9"
    & skf18("9","7","9","9","10","1","1") = "9"
    & skf18("9","7","9","9","10","2","1") = "9"
    & skf18("9","7","9","9","10","3","1") = "9"
    & skf18("9","7","9","9","10","4","1") = "9"
    & skf18("9","7","9","9","10","5","1") = "9"
    & skf18("9","7","9","9","10","6","1") = "9"
    & skf18("9","7","9","9","10","7","1") = "9"
    & skf18("9","7","9","9","10","8","1") = "9"
    & skf18("9","7","9","9","10","9","1") = "9"
    & skf18("9","7","9","9","10","10","1") = "9"
    & skf18("9","7","9","10","1","1","1") = "9"
    & skf18("9","7","9","10","1","2","1") = "9"
    & skf18("9","7","9","10","1","3","1") = "9"
    & skf18("9","7","9","10","1","4","1") = "9"
    & skf18("9","7","9","10","1","5","1") = "9"
    & skf18("9","7","9","10","1","6","1") = "9"
    & skf18("9","7","9","10","1","7","1") = "9"
    & skf18("9","7","9","10","1","8","1") = "9"
    & skf18("9","7","9","10","1","9","1") = "9"
    & skf18("9","7","9","10","1","10","1") = "9"
    & skf18("9","7","9","10","2","1","1") = "9"
    & skf18("9","7","9","10","2","2","1") = "9"
    & skf18("9","7","9","10","2","3","1") = "9"
    & skf18("9","7","9","10","2","4","1") = "9"
    & skf18("9","7","9","10","2","5","1") = "9"
    & skf18("9","7","9","10","2","6","1") = "9"
    & skf18("9","7","9","10","2","7","1") = "9"
    & skf18("9","7","9","10","2","8","1") = "9"
    & skf18("9","7","9","10","2","9","1") = "9"
    & skf18("9","7","9","10","2","10","1") = "9"
    & skf18("9","7","9","10","3","1","1") = "9"
    & skf18("9","7","9","10","3","2","1") = "9"
    & skf18("9","7","9","10","3","3","1") = "9"
    & skf18("9","7","9","10","3","4","1") = "9"
    & skf18("9","7","9","10","3","5","1") = "9"
    & skf18("9","7","9","10","3","6","1") = "9"
    & skf18("9","7","9","10","3","7","1") = "9"
    & skf18("9","7","9","10","3","8","1") = "9"
    & skf18("9","7","9","10","3","9","1") = "9"
    & skf18("9","7","9","10","3","10","1") = "9"
    & skf18("9","7","9","10","4","1","1") = "9"
    & skf18("9","7","9","10","4","2","1") = "9"
    & skf18("9","7","9","10","4","3","1") = "9"
    & skf18("9","7","9","10","4","4","1") = "9"
    & skf18("9","7","9","10","4","5","1") = "9"
    & skf18("9","7","9","10","4","6","1") = "9"
    & skf18("9","7","9","10","4","7","1") = "9"
    & skf18("9","7","9","10","4","8","1") = "9"
    & skf18("9","7","9","10","4","9","1") = "9"
    & skf18("9","7","9","10","4","10","1") = "9"
    & skf18("9","7","9","10","5","1","1") = "9"
    & skf18("9","7","9","10","5","2","1") = "9"
    & skf18("9","7","9","10","5","3","1") = "9"
    & skf18("9","7","9","10","5","4","1") = "9"
    & skf18("9","7","9","10","5","5","1") = "9"
    & skf18("9","7","9","10","5","6","1") = "9"
    & skf18("9","7","9","10","5","7","1") = "9"
    & skf18("9","7","9","10","5","8","1") = "9"
    & skf18("9","7","9","10","5","9","1") = "9"
    & skf18("9","7","9","10","5","10","1") = "9"
    & skf18("9","7","9","10","6","1","1") = "9"
    & skf18("9","7","9","10","6","2","1") = "9"
    & skf18("9","7","9","10","6","3","1") = "9"
    & skf18("9","7","9","10","6","4","1") = "9"
    & skf18("9","7","9","10","6","5","1") = "9"
    & skf18("9","7","9","10","6","6","1") = "9"
    & skf18("9","7","9","10","6","7","1") = "9"
    & skf18("9","7","9","10","6","8","1") = "9"
    & skf18("9","7","9","10","6","9","1") = "9"
    & skf18("9","7","9","10","6","10","1") = "9"
    & skf18("9","7","9","10","7","1","1") = "9"
    & skf18("9","7","9","10","7","2","1") = "9"
    & skf18("9","7","9","10","7","3","1") = "9"
    & skf18("9","7","9","10","7","4","1") = "9"
    & skf18("9","7","9","10","7","5","1") = "9"
    & skf18("9","7","9","10","7","6","1") = "9"
    & skf18("9","7","9","10","7","7","1") = "9"
    & skf18("9","7","9","10","7","8","1") = "9"
    & skf18("9","7","9","10","7","9","1") = "9"
    & skf18("9","7","9","10","7","10","1") = "9"
    & skf18("9","7","9","10","8","1","1") = "9"
    & skf18("9","7","9","10","8","2","1") = "9"
    & skf18("9","7","9","10","8","3","1") = "9"
    & skf18("9","7","9","10","8","4","1") = "9"
    & skf18("9","7","9","10","8","5","1") = "9"
    & skf18("9","7","9","10","8","6","1") = "9"
    & skf18("9","7","9","10","8","7","1") = "9"
    & skf18("9","7","9","10","8","8","1") = "9"
    & skf18("9","7","9","10","8","9","1") = "9"
    & skf18("9","7","9","10","8","10","1") = "9"
    & skf18("9","7","9","10","9","1","1") = "9"
    & skf18("9","7","9","10","9","2","1") = "9"
    & skf18("9","7","9","10","9","3","1") = "9"
    & skf18("9","7","9","10","9","4","1") = "9"
    & skf18("9","7","9","10","9","5","1") = "9"
    & skf18("9","7","9","10","9","6","1") = "9"
    & skf18("9","7","9","10","9","7","1") = "9"
    & skf18("9","7","9","10","9","8","1") = "9"
    & skf18("9","7","9","10","9","9","1") = "9"
    & skf18("9","7","9","10","9","10","1") = "9"
    & skf18("9","7","9","10","10","1","1") = "9"
    & skf18("9","7","9","10","10","2","1") = "9"
    & skf18("9","7","9","10","10","3","1") = "9"
    & skf18("9","7","9","10","10","4","1") = "9"
    & skf18("9","7","9","10","10","5","1") = "9"
    & skf18("9","7","9","10","10","6","1") = "9"
    & skf18("9","7","9","10","10","7","1") = "9"
    & skf18("9","7","9","10","10","8","1") = "9"
    & skf18("9","7","9","10","10","9","1") = "9"
    & skf18("9","7","9","10","10","10","1") = "9"
    & skf18("9","7","10","1","1","1","1") = "9"
    & skf18("9","7","10","1","1","2","1") = "9"
    & skf18("9","7","10","1","1","3","1") = "9"
    & skf18("9","7","10","1","1","4","1") = "9"
    & skf18("9","7","10","1","1","5","1") = "9"
    & skf18("9","7","10","1","1","6","1") = "9"
    & skf18("9","7","10","1","1","7","1") = "9"
    & skf18("9","7","10","1","1","8","1") = "9"
    & skf18("9","7","10","1","1","9","1") = "9"
    & skf18("9","7","10","1","1","10","1") = "9"
    & skf18("9","7","10","1","2","1","1") = "9"
    & skf18("9","7","10","1","2","2","1") = "9"
    & skf18("9","7","10","1","2","3","1") = "9"
    & skf18("9","7","10","1","2","4","1") = "9"
    & skf18("9","7","10","1","2","5","1") = "9"
    & skf18("9","7","10","1","2","6","1") = "9"
    & skf18("9","7","10","1","2","7","1") = "9"
    & skf18("9","7","10","1","2","8","1") = "9"
    & skf18("9","7","10","1","2","9","1") = "9"
    & skf18("9","7","10","1","2","10","1") = "9"
    & skf18("9","7","10","1","3","1","1") = "9"
    & skf18("9","7","10","1","3","2","1") = "9"
    & skf18("9","7","10","1","3","3","1") = "9"
    & skf18("9","7","10","1","3","4","1") = "9"
    & skf18("9","7","10","1","3","5","1") = "9"
    & skf18("9","7","10","1","3","6","1") = "9"
    & skf18("9","7","10","1","3","7","1") = "9"
    & skf18("9","7","10","1","3","8","1") = "9"
    & skf18("9","7","10","1","3","9","1") = "9"
    & skf18("9","7","10","1","3","10","1") = "9"
    & skf18("9","7","10","1","4","1","1") = "9"
    & skf18("9","7","10","1","4","2","1") = "9"
    & skf18("9","7","10","1","4","3","1") = "9"
    & skf18("9","7","10","1","4","4","1") = "9"
    & skf18("9","7","10","1","4","5","1") = "9"
    & skf18("9","7","10","1","4","6","1") = "9"
    & skf18("9","7","10","1","4","7","1") = "9"
    & skf18("9","7","10","1","4","8","1") = "9"
    & skf18("9","7","10","1","4","9","1") = "9"
    & skf18("9","7","10","1","4","10","1") = "9"
    & skf18("9","7","10","1","5","1","1") = "9"
    & skf18("9","7","10","1","5","2","1") = "9"
    & skf18("9","7","10","1","5","3","1") = "9"
    & skf18("9","7","10","1","5","4","1") = "9"
    & skf18("9","7","10","1","5","5","1") = "9"
    & skf18("9","7","10","1","5","6","1") = "9"
    & skf18("9","7","10","1","5","7","1") = "9"
    & skf18("9","7","10","1","5","8","1") = "9"
    & skf18("9","7","10","1","5","9","1") = "9"
    & skf18("9","7","10","1","5","10","1") = "9"
    & skf18("9","7","10","1","6","1","1") = "9"
    & skf18("9","7","10","1","6","2","1") = "9"
    & skf18("9","7","10","1","6","3","1") = "9"
    & skf18("9","7","10","1","6","4","1") = "9"
    & skf18("9","7","10","1","6","5","1") = "9"
    & skf18("9","7","10","1","6","6","1") = "9"
    & skf18("9","7","10","1","6","7","1") = "9"
    & skf18("9","7","10","1","6","8","1") = "9"
    & skf18("9","7","10","1","6","9","1") = "9"
    & skf18("9","7","10","1","6","10","1") = "9"
    & skf18("9","7","10","1","7","1","1") = "9"
    & skf18("9","7","10","1","7","2","1") = "9"
    & skf18("9","7","10","1","7","3","1") = "9"
    & skf18("9","7","10","1","7","4","1") = "9"
    & skf18("9","7","10","1","7","5","1") = "9"
    & skf18("9","7","10","1","7","6","1") = "9"
    & skf18("9","7","10","1","7","7","1") = "9"
    & skf18("9","7","10","1","7","8","1") = "9"
    & skf18("9","7","10","1","7","9","1") = "9"
    & skf18("9","7","10","1","7","10","1") = "9"
    & skf18("9","7","10","1","8","1","1") = "9"
    & skf18("9","7","10","1","8","2","1") = "9"
    & skf18("9","7","10","1","8","3","1") = "9"
    & skf18("9","7","10","1","8","4","1") = "9"
    & skf18("9","7","10","1","8","5","1") = "9"
    & skf18("9","7","10","1","8","6","1") = "9"
    & skf18("9","7","10","1","8","7","1") = "9"
    & skf18("9","7","10","1","8","8","1") = "9"
    & skf18("9","7","10","1","8","9","1") = "9"
    & skf18("9","7","10","1","8","10","1") = "9"
    & skf18("9","7","10","1","9","1","1") = "9"
    & skf18("9","7","10","1","9","2","1") = "9"
    & skf18("9","7","10","1","9","3","1") = "9"
    & skf18("9","7","10","1","9","4","1") = "9"
    & skf18("9","7","10","1","9","5","1") = "9"
    & skf18("9","7","10","1","9","6","1") = "9"
    & skf18("9","7","10","1","9","7","1") = "9"
    & skf18("9","7","10","1","9","8","1") = "9"
    & skf18("9","7","10","1","9","9","1") = "9"
    & skf18("9","7","10","1","9","10","1") = "9"
    & skf18("9","7","10","1","10","1","1") = "9"
    & skf18("9","7","10","1","10","2","1") = "9"
    & skf18("9","7","10","1","10","3","1") = "9"
    & skf18("9","7","10","1","10","4","1") = "9"
    & skf18("9","7","10","1","10","5","1") = "9"
    & skf18("9","7","10","1","10","6","1") = "9"
    & skf18("9","7","10","1","10","7","1") = "9"
    & skf18("9","7","10","1","10","8","1") = "9"
    & skf18("9","7","10","1","10","9","1") = "9"
    & skf18("9","7","10","1","10","10","1") = "9"
    & skf18("9","7","10","2","1","1","1") = "9"
    & skf18("9","7","10","2","1","2","1") = "9"
    & skf18("9","7","10","2","1","3","1") = "9"
    & skf18("9","7","10","2","1","4","1") = "9"
    & skf18("9","7","10","2","1","5","1") = "9"
    & skf18("9","7","10","2","1","6","1") = "9"
    & skf18("9","7","10","2","1","7","1") = "9"
    & skf18("9","7","10","2","1","8","1") = "9"
    & skf18("9","7","10","2","1","9","1") = "9"
    & skf18("9","7","10","2","1","10","1") = "9"
    & skf18("9","7","10","2","2","1","1") = "9"
    & skf18("9","7","10","2","2","2","1") = "9"
    & skf18("9","7","10","2","2","3","1") = "9"
    & skf18("9","7","10","2","2","4","1") = "9"
    & skf18("9","7","10","2","2","5","1") = "9"
    & skf18("9","7","10","2","2","6","1") = "9"
    & skf18("9","7","10","2","2","7","1") = "9"
    & skf18("9","7","10","2","2","8","1") = "9"
    & skf18("9","7","10","2","2","9","1") = "9"
    & skf18("9","7","10","2","2","10","1") = "9"
    & skf18("9","7","10","2","3","1","1") = "9"
    & skf18("9","7","10","2","3","2","1") = "9"
    & skf18("9","7","10","2","3","3","1") = "9"
    & skf18("9","7","10","2","3","4","1") = "9"
    & skf18("9","7","10","2","3","5","1") = "9"
    & skf18("9","7","10","2","3","6","1") = "9"
    & skf18("9","7","10","2","3","7","1") = "9"
    & skf18("9","7","10","2","3","8","1") = "9"
    & skf18("9","7","10","2","3","9","1") = "9"
    & skf18("9","7","10","2","3","10","1") = "9"
    & skf18("9","7","10","2","4","1","1") = "9"
    & skf18("9","7","10","2","4","2","1") = "9"
    & skf18("9","7","10","2","4","3","1") = "9"
    & skf18("9","7","10","2","4","4","1") = "9"
    & skf18("9","7","10","2","4","5","1") = "9"
    & skf18("9","7","10","2","4","6","1") = "9"
    & skf18("9","7","10","2","4","7","1") = "9"
    & skf18("9","7","10","2","4","8","1") = "9"
    & skf18("9","7","10","2","4","9","1") = "9"
    & skf18("9","7","10","2","4","10","1") = "9"
    & skf18("9","7","10","2","5","1","1") = "9"
    & skf18("9","7","10","2","5","2","1") = "9"
    & skf18("9","7","10","2","5","3","1") = "9"
    & skf18("9","7","10","2","5","4","1") = "9"
    & skf18("9","7","10","2","5","5","1") = "9"
    & skf18("9","7","10","2","5","6","1") = "9"
    & skf18("9","7","10","2","5","7","1") = "9"
    & skf18("9","7","10","2","5","8","1") = "9"
    & skf18("9","7","10","2","5","9","1") = "9"
    & skf18("9","7","10","2","5","10","1") = "9"
    & skf18("9","7","10","2","6","1","1") = "9"
    & skf18("9","7","10","2","6","2","1") = "9"
    & skf18("9","7","10","2","6","3","1") = "9"
    & skf18("9","7","10","2","6","4","1") = "9"
    & skf18("9","7","10","2","6","5","1") = "9"
    & skf18("9","7","10","2","6","6","1") = "9"
    & skf18("9","7","10","2","6","7","1") = "9"
    & skf18("9","7","10","2","6","8","1") = "9"
    & skf18("9","7","10","2","6","9","1") = "9"
    & skf18("9","7","10","2","6","10","1") = "9"
    & skf18("9","7","10","2","7","1","1") = "9"
    & skf18("9","7","10","2","7","2","1") = "9"
    & skf18("9","7","10","2","7","3","1") = "9"
    & skf18("9","7","10","2","7","4","1") = "9"
    & skf18("9","7","10","2","7","5","1") = "9"
    & skf18("9","7","10","2","7","6","1") = "9"
    & skf18("9","7","10","2","7","7","1") = "9"
    & skf18("9","7","10","2","7","8","1") = "9"
    & skf18("9","7","10","2","7","9","1") = "9"
    & skf18("9","7","10","2","7","10","1") = "9"
    & skf18("9","7","10","2","8","1","1") = "9"
    & skf18("9","7","10","2","8","2","1") = "9"
    & skf18("9","7","10","2","8","3","1") = "9"
    & skf18("9","7","10","2","8","4","1") = "9"
    & skf18("9","7","10","2","8","5","1") = "9"
    & skf18("9","7","10","2","8","6","1") = "9"
    & skf18("9","7","10","2","8","7","1") = "9"
    & skf18("9","7","10","2","8","8","1") = "9"
    & skf18("9","7","10","2","8","9","1") = "9"
    & skf18("9","7","10","2","8","10","1") = "9"
    & skf18("9","7","10","2","9","1","1") = "9"
    & skf18("9","7","10","2","9","2","1") = "9"
    & skf18("9","7","10","2","9","3","1") = "9"
    & skf18("9","7","10","2","9","4","1") = "9"
    & skf18("9","7","10","2","9","5","1") = "9"
    & skf18("9","7","10","2","9","6","1") = "9"
    & skf18("9","7","10","2","9","7","1") = "9"
    & skf18("9","7","10","2","9","8","1") = "9"
    & skf18("9","7","10","2","9","9","1") = "9"
    & skf18("9","7","10","2","9","10","1") = "9"
    & skf18("9","7","10","2","10","1","1") = "9"
    & skf18("9","7","10","2","10","2","1") = "9"
    & skf18("9","7","10","2","10","3","1") = "9"
    & skf18("9","7","10","2","10","4","1") = "9"
    & skf18("9","7","10","2","10","5","1") = "9"
    & skf18("9","7","10","2","10","6","1") = "9"
    & skf18("9","7","10","2","10","7","1") = "9"
    & skf18("9","7","10","2","10","8","1") = "9"
    & skf18("9","7","10","2","10","9","1") = "9"
    & skf18("9","7","10","2","10","10","1") = "9"
    & skf18("9","7","10","3","1","1","1") = "9"
    & skf18("9","7","10","3","1","2","1") = "9"
    & skf18("9","7","10","3","1","3","1") = "9"
    & skf18("9","7","10","3","1","4","1") = "9"
    & skf18("9","7","10","3","1","5","1") = "9"
    & skf18("9","7","10","3","1","6","1") = "9"
    & skf18("9","7","10","3","1","7","1") = "9"
    & skf18("9","7","10","3","1","8","1") = "9"
    & skf18("9","7","10","3","1","9","1") = "9"
    & skf18("9","7","10","3","1","10","1") = "9"
    & skf18("9","7","10","3","2","1","1") = "9"
    & skf18("9","7","10","3","2","2","1") = "9"
    & skf18("9","7","10","3","2","3","1") = "9"
    & skf18("9","7","10","3","2","4","1") = "9"
    & skf18("9","7","10","3","2","5","1") = "9"
    & skf18("9","7","10","3","2","6","1") = "9"
    & skf18("9","7","10","3","2","7","1") = "9"
    & skf18("9","7","10","3","2","8","1") = "9"
    & skf18("9","7","10","3","2","9","1") = "9"
    & skf18("9","7","10","3","2","10","1") = "9"
    & skf18("9","7","10","3","3","1","1") = "9"
    & skf18("9","7","10","3","3","2","1") = "9"
    & skf18("9","7","10","3","3","3","1") = "9"
    & skf18("9","7","10","3","3","4","1") = "9"
    & skf18("9","7","10","3","3","5","1") = "9"
    & skf18("9","7","10","3","3","6","1") = "9"
    & skf18("9","7","10","3","3","7","1") = "9"
    & skf18("9","7","10","3","3","8","1") = "9"
    & skf18("9","7","10","3","3","9","1") = "9"
    & skf18("9","7","10","3","3","10","1") = "9"
    & skf18("9","7","10","3","4","1","1") = "9"
    & skf18("9","7","10","3","4","2","1") = "9"
    & skf18("9","7","10","3","4","3","1") = "9"
    & skf18("9","7","10","3","4","4","1") = "9"
    & skf18("9","7","10","3","4","5","1") = "9"
    & skf18("9","7","10","3","4","6","1") = "9"
    & skf18("9","7","10","3","4","7","1") = "9"
    & skf18("9","7","10","3","4","8","1") = "9"
    & skf18("9","7","10","3","4","9","1") = "9"
    & skf18("9","7","10","3","4","10","1") = "9"
    & skf18("9","7","10","3","5","1","1") = "9"
    & skf18("9","7","10","3","5","2","1") = "9"
    & skf18("9","7","10","3","5","3","1") = "9"
    & skf18("9","7","10","3","5","4","1") = "9"
    & skf18("9","7","10","3","5","5","1") = "9"
    & skf18("9","7","10","3","5","6","1") = "9"
    & skf18("9","7","10","3","5","7","1") = "9"
    & skf18("9","7","10","3","5","8","1") = "9"
    & skf18("9","7","10","3","5","9","1") = "9"
    & skf18("9","7","10","3","5","10","1") = "9"
    & skf18("9","7","10","3","6","1","1") = "9"
    & skf18("9","7","10","3","6","2","1") = "9"
    & skf18("9","7","10","3","6","3","1") = "9"
    & skf18("9","7","10","3","6","4","1") = "9"
    & skf18("9","7","10","3","6","5","1") = "9"
    & skf18("9","7","10","3","6","6","1") = "9"
    & skf18("9","7","10","3","6","7","1") = "9"
    & skf18("9","7","10","3","6","8","1") = "9"
    & skf18("9","7","10","3","6","9","1") = "9"
    & skf18("9","7","10","3","6","10","1") = "9"
    & skf18("9","7","10","3","7","1","1") = "9"
    & skf18("9","7","10","3","7","2","1") = "9"
    & skf18("9","7","10","3","7","3","1") = "9"
    & skf18("9","7","10","3","7","4","1") = "9"
    & skf18("9","7","10","3","7","5","1") = "9"
    & skf18("9","7","10","3","7","6","1") = "9"
    & skf18("9","7","10","3","7","7","1") = "9"
    & skf18("9","7","10","3","7","8","1") = "9"
    & skf18("9","7","10","3","7","9","1") = "9"
    & skf18("9","7","10","3","7","10","1") = "9"
    & skf18("9","7","10","3","8","1","1") = "9"
    & skf18("9","7","10","3","8","2","1") = "9"
    & skf18("9","7","10","3","8","3","1") = "9"
    & skf18("9","7","10","3","8","4","1") = "9"
    & skf18("9","7","10","3","8","5","1") = "9"
    & skf18("9","7","10","3","8","6","1") = "9"
    & skf18("9","7","10","3","8","7","1") = "9"
    & skf18("9","7","10","3","8","8","1") = "9"
    & skf18("9","7","10","3","8","9","1") = "9"
    & skf18("9","7","10","3","8","10","1") = "9"
    & skf18("9","7","10","3","9","1","1") = "9"
    & skf18("9","7","10","3","9","2","1") = "9"
    & skf18("9","7","10","3","9","3","1") = "9"
    & skf18("9","7","10","3","9","4","1") = "9"
    & skf18("9","7","10","3","9","5","1") = "9"
    & skf18("9","7","10","3","9","6","1") = "9"
    & skf18("9","7","10","3","9","7","1") = "9"
    & skf18("9","7","10","3","9","8","1") = "9"
    & skf18("9","7","10","3","9","9","1") = "9"
    & skf18("9","7","10","3","9","10","1") = "9"
    & skf18("9","7","10","3","10","1","1") = "9"
    & skf18("9","7","10","3","10","2","1") = "9"
    & skf18("9","7","10","3","10","3","1") = "9"
    & skf18("9","7","10","3","10","4","1") = "9"
    & skf18("9","7","10","3","10","5","1") = "9"
    & skf18("9","7","10","3","10","6","1") = "9"
    & skf18("9","7","10","3","10","7","1") = "9"
    & skf18("9","7","10","3","10","8","1") = "9"
    & skf18("9","7","10","3","10","9","1") = "9"
    & skf18("9","7","10","3","10","10","1") = "9"
    & skf18("9","7","10","4","1","1","1") = "9"
    & skf18("9","7","10","4","1","2","1") = "9"
    & skf18("9","7","10","4","1","3","1") = "9"
    & skf18("9","7","10","4","1","4","1") = "9"
    & skf18("9","7","10","4","1","5","1") = "9"
    & skf18("9","7","10","4","1","6","1") = "9"
    & skf18("9","7","10","4","1","7","1") = "9"
    & skf18("9","7","10","4","1","8","1") = "9"
    & skf18("9","7","10","4","1","9","1") = "9"
    & skf18("9","7","10","4","1","10","1") = "9"
    & skf18("9","7","10","4","2","1","1") = "9"
    & skf18("9","7","10","4","2","2","1") = "9"
    & skf18("9","7","10","4","2","3","1") = "9"
    & skf18("9","7","10","4","2","4","1") = "9"
    & skf18("9","7","10","4","2","5","1") = "9"
    & skf18("9","7","10","4","2","6","1") = "9"
    & skf18("9","7","10","4","2","7","1") = "9"
    & skf18("9","7","10","4","2","8","1") = "9"
    & skf18("9","7","10","4","2","9","1") = "9"
    & skf18("9","7","10","4","2","10","1") = "9"
    & skf18("9","7","10","4","3","1","1") = "9"
    & skf18("9","7","10","4","3","2","1") = "9"
    & skf18("9","7","10","4","3","3","1") = "9"
    & skf18("9","7","10","4","3","4","1") = "9"
    & skf18("9","7","10","4","3","5","1") = "9"
    & skf18("9","7","10","4","3","6","1") = "9"
    & skf18("9","7","10","4","3","7","1") = "9"
    & skf18("9","7","10","4","3","8","1") = "9"
    & skf18("9","7","10","4","3","9","1") = "9"
    & skf18("9","7","10","4","3","10","1") = "9"
    & skf18("9","7","10","4","4","1","1") = "9"
    & skf18("9","7","10","4","4","2","1") = "9"
    & skf18("9","7","10","4","4","3","1") = "9"
    & skf18("9","7","10","4","4","4","1") = "9"
    & skf18("9","7","10","4","4","5","1") = "9"
    & skf18("9","7","10","4","4","6","1") = "9"
    & skf18("9","7","10","4","4","7","1") = "9"
    & skf18("9","7","10","4","4","8","1") = "9"
    & skf18("9","7","10","4","4","9","1") = "9"
    & skf18("9","7","10","4","4","10","1") = "9"
    & skf18("9","7","10","4","5","1","1") = "9"
    & skf18("9","7","10","4","5","2","1") = "9"
    & skf18("9","7","10","4","5","3","1") = "9"
    & skf18("9","7","10","4","5","4","1") = "9"
    & skf18("9","7","10","4","5","5","1") = "9"
    & skf18("9","7","10","4","5","6","1") = "9"
    & skf18("9","7","10","4","5","7","1") = "9"
    & skf18("9","7","10","4","5","8","1") = "9"
    & skf18("9","7","10","4","5","9","1") = "9"
    & skf18("9","7","10","4","5","10","1") = "9"
    & skf18("9","7","10","4","6","1","1") = "9"
    & skf18("9","7","10","4","6","2","1") = "9"
    & skf18("9","7","10","4","6","3","1") = "9"
    & skf18("9","7","10","4","6","4","1") = "9"
    & skf18("9","7","10","4","6","5","1") = "9"
    & skf18("9","7","10","4","6","6","1") = "9"
    & skf18("9","7","10","4","6","7","1") = "9"
    & skf18("9","7","10","4","6","8","1") = "9"
    & skf18("9","7","10","4","6","9","1") = "9"
    & skf18("9","7","10","4","6","10","1") = "9"
    & skf18("9","7","10","4","7","1","1") = "9"
    & skf18("9","7","10","4","7","2","1") = "9"
    & skf18("9","7","10","4","7","3","1") = "9"
    & skf18("9","7","10","4","7","4","1") = "9"
    & skf18("9","7","10","4","7","5","1") = "9"
    & skf18("9","7","10","4","7","6","1") = "9"
    & skf18("9","7","10","4","7","7","1") = "9"
    & skf18("9","7","10","4","7","8","1") = "9"
    & skf18("9","7","10","4","7","9","1") = "9"
    & skf18("9","7","10","4","7","10","1") = "9"
    & skf18("9","7","10","4","8","1","1") = "9"
    & skf18("9","7","10","4","8","2","1") = "9"
    & skf18("9","7","10","4","8","3","1") = "9"
    & skf18("9","7","10","4","8","4","1") = "9"
    & skf18("9","7","10","4","8","5","1") = "9"
    & skf18("9","7","10","4","8","6","1") = "9"
    & skf18("9","7","10","4","8","7","1") = "9"
    & skf18("9","7","10","4","8","8","1") = "9"
    & skf18("9","7","10","4","8","9","1") = "9"
    & skf18("9","7","10","4","8","10","1") = "9"
    & skf18("9","7","10","4","9","1","1") = "9"
    & skf18("9","7","10","4","9","2","1") = "9"
    & skf18("9","7","10","4","9","3","1") = "9"
    & skf18("9","7","10","4","9","4","1") = "9"
    & skf18("9","7","10","4","9","5","1") = "9"
    & skf18("9","7","10","4","9","6","1") = "9"
    & skf18("9","7","10","4","9","7","1") = "9"
    & skf18("9","7","10","4","9","8","1") = "9"
    & skf18("9","7","10","4","9","9","1") = "9"
    & skf18("9","7","10","4","9","10","1") = "9"
    & skf18("9","7","10","4","10","1","1") = "9"
    & skf18("9","7","10","4","10","2","1") = "9"
    & skf18("9","7","10","4","10","3","1") = "9"
    & skf18("9","7","10","4","10","4","1") = "9"
    & skf18("9","7","10","4","10","5","1") = "9"
    & skf18("9","7","10","4","10","6","1") = "9"
    & skf18("9","7","10","4","10","7","1") = "9"
    & skf18("9","7","10","4","10","8","1") = "9"
    & skf18("9","7","10","4","10","9","1") = "9"
    & skf18("9","7","10","4","10","10","1") = "9"
    & skf18("9","7","10","5","1","1","1") = "9"
    & skf18("9","7","10","5","1","2","1") = "9"
    & skf18("9","7","10","5","1","3","1") = "9"
    & skf18("9","7","10","5","1","4","1") = "9"
    & skf18("9","7","10","5","1","5","1") = "9"
    & skf18("9","7","10","5","1","6","1") = "9"
    & skf18("9","7","10","5","1","7","1") = "9"
    & skf18("9","7","10","5","1","8","1") = "9"
    & skf18("9","7","10","5","1","9","1") = "9"
    & skf18("9","7","10","5","1","10","1") = "9"
    & skf18("9","7","10","5","2","1","1") = "9"
    & skf18("9","7","10","5","2","2","1") = "9"
    & skf18("9","7","10","5","2","3","1") = "9"
    & skf18("9","7","10","5","2","4","1") = "9"
    & skf18("9","7","10","5","2","5","1") = "9"
    & skf18("9","7","10","5","2","6","1") = "9"
    & skf18("9","7","10","5","2","7","1") = "9"
    & skf18("9","7","10","5","2","8","1") = "9"
    & skf18("9","7","10","5","2","9","1") = "9"
    & skf18("9","7","10","5","2","10","1") = "9"
    & skf18("9","7","10","5","3","1","1") = "9"
    & skf18("9","7","10","5","3","2","1") = "9"
    & skf18("9","7","10","5","3","3","1") = "9"
    & skf18("9","7","10","5","3","4","1") = "9"
    & skf18("9","7","10","5","3","5","1") = "9"
    & skf18("9","7","10","5","3","6","1") = "9"
    & skf18("9","7","10","5","3","7","1") = "9"
    & skf18("9","7","10","5","3","8","1") = "9"
    & skf18("9","7","10","5","3","9","1") = "9"
    & skf18("9","7","10","5","3","10","1") = "9"
    & skf18("9","7","10","5","4","1","1") = "9"
    & skf18("9","7","10","5","4","2","1") = "9"
    & skf18("9","7","10","5","4","3","1") = "9"
    & skf18("9","7","10","5","4","4","1") = "9"
    & skf18("9","7","10","5","4","5","1") = "9"
    & skf18("9","7","10","5","4","6","1") = "9"
    & skf18("9","7","10","5","4","7","1") = "9"
    & skf18("9","7","10","5","4","8","1") = "9"
    & skf18("9","7","10","5","4","9","1") = "9"
    & skf18("9","7","10","5","4","10","1") = "9"
    & skf18("9","7","10","5","5","1","1") = "9"
    & skf18("9","7","10","5","5","2","1") = "9"
    & skf18("9","7","10","5","5","3","1") = "9"
    & skf18("9","7","10","5","5","4","1") = "9"
    & skf18("9","7","10","5","5","5","1") = "9"
    & skf18("9","7","10","5","5","6","1") = "9"
    & skf18("9","7","10","5","5","7","1") = "9"
    & skf18("9","7","10","5","5","8","1") = "9"
    & skf18("9","7","10","5","5","9","1") = "9"
    & skf18("9","7","10","5","5","10","1") = "9"
    & skf18("9","7","10","5","6","1","1") = "9"
    & skf18("9","7","10","5","6","2","1") = "9"
    & skf18("9","7","10","5","6","3","1") = "9"
    & skf18("9","7","10","5","6","4","1") = "9"
    & skf18("9","7","10","5","6","5","1") = "9"
    & skf18("9","7","10","5","6","6","1") = "9"
    & skf18("9","7","10","5","6","7","1") = "9"
    & skf18("9","7","10","5","6","8","1") = "9"
    & skf18("9","7","10","5","6","9","1") = "9"
    & skf18("9","7","10","5","6","10","1") = "9"
    & skf18("9","7","10","5","7","1","1") = "9"
    & skf18("9","7","10","5","7","2","1") = "9"
    & skf18("9","7","10","5","7","3","1") = "9"
    & skf18("9","7","10","5","7","4","1") = "9"
    & skf18("9","7","10","5","7","5","1") = "9"
    & skf18("9","7","10","5","7","6","1") = "9"
    & skf18("9","7","10","5","7","7","1") = "9"
    & skf18("9","7","10","5","7","8","1") = "9"
    & skf18("9","7","10","5","7","9","1") = "9"
    & skf18("9","7","10","5","7","10","1") = "9"
    & skf18("9","7","10","5","8","1","1") = "9"
    & skf18("9","7","10","5","8","2","1") = "9"
    & skf18("9","7","10","5","8","3","1") = "9"
    & skf18("9","7","10","5","8","4","1") = "9"
    & skf18("9","7","10","5","8","5","1") = "9"
    & skf18("9","7","10","5","8","6","1") = "9"
    & skf18("9","7","10","5","8","7","1") = "9"
    & skf18("9","7","10","5","8","8","1") = "9"
    & skf18("9","7","10","5","8","9","1") = "9"
    & skf18("9","7","10","5","8","10","1") = "9"
    & skf18("9","7","10","5","9","1","1") = "9"
    & skf18("9","7","10","5","9","2","1") = "9"
    & skf18("9","7","10","5","9","3","1") = "9"
    & skf18("9","7","10","5","9","4","1") = "9"
    & skf18("9","7","10","5","9","5","1") = "9"
    & skf18("9","7","10","5","9","6","1") = "9"
    & skf18("9","7","10","5","9","7","1") = "9"
    & skf18("9","7","10","5","9","8","1") = "9"
    & skf18("9","7","10","5","9","9","1") = "9"
    & skf18("9","7","10","5","9","10","1") = "9"
    & skf18("9","7","10","5","10","1","1") = "9"
    & skf18("9","7","10","5","10","2","1") = "9"
    & skf18("9","7","10","5","10","3","1") = "9"
    & skf18("9","7","10","5","10","4","1") = "9"
    & skf18("9","7","10","5","10","5","1") = "9"
    & skf18("9","7","10","5","10","6","1") = "9"
    & skf18("9","7","10","5","10","7","1") = "9"
    & skf18("9","7","10","5","10","8","1") = "9"
    & skf18("9","7","10","5","10","9","1") = "9"
    & skf18("9","7","10","5","10","10","1") = "9"
    & skf18("9","7","10","6","1","1","1") = "9"
    & skf18("9","7","10","6","1","2","1") = "9"
    & skf18("9","7","10","6","1","3","1") = "9"
    & skf18("9","7","10","6","1","4","1") = "9"
    & skf18("9","7","10","6","1","5","1") = "9"
    & skf18("9","7","10","6","1","6","1") = "9"
    & skf18("9","7","10","6","1","7","1") = "9"
    & skf18("9","7","10","6","1","8","1") = "9"
    & skf18("9","7","10","6","1","9","1") = "9"
    & skf18("9","7","10","6","1","10","1") = "9"
    & skf18("9","7","10","6","2","1","1") = "9"
    & skf18("9","7","10","6","2","2","1") = "9"
    & skf18("9","7","10","6","2","3","1") = "9"
    & skf18("9","7","10","6","2","4","1") = "9"
    & skf18("9","7","10","6","2","5","1") = "9"
    & skf18("9","7","10","6","2","6","1") = "9"
    & skf18("9","7","10","6","2","7","1") = "9"
    & skf18("9","7","10","6","2","8","1") = "9"
    & skf18("9","7","10","6","2","9","1") = "9"
    & skf18("9","7","10","6","2","10","1") = "9"
    & skf18("9","7","10","6","3","1","1") = "9"
    & skf18("9","7","10","6","3","2","1") = "9"
    & skf18("9","7","10","6","3","3","1") = "9"
    & skf18("9","7","10","6","3","4","1") = "9"
    & skf18("9","7","10","6","3","5","1") = "9"
    & skf18("9","7","10","6","3","6","1") = "9"
    & skf18("9","7","10","6","3","7","1") = "9"
    & skf18("9","7","10","6","3","8","1") = "9"
    & skf18("9","7","10","6","3","9","1") = "9"
    & skf18("9","7","10","6","3","10","1") = "9"
    & skf18("9","7","10","6","4","1","1") = "9"
    & skf18("9","7","10","6","4","2","1") = "9"
    & skf18("9","7","10","6","4","3","1") = "9"
    & skf18("9","7","10","6","4","4","1") = "9"
    & skf18("9","7","10","6","4","5","1") = "9"
    & skf18("9","7","10","6","4","6","1") = "9"
    & skf18("9","7","10","6","4","7","1") = "9"
    & skf18("9","7","10","6","4","8","1") = "9"
    & skf18("9","7","10","6","4","9","1") = "9"
    & skf18("9","7","10","6","4","10","1") = "9"
    & skf18("9","7","10","6","5","1","1") = "9"
    & skf18("9","7","10","6","5","2","1") = "9"
    & skf18("9","7","10","6","5","3","1") = "9"
    & skf18("9","7","10","6","5","4","1") = "9"
    & skf18("9","7","10","6","5","5","1") = "9"
    & skf18("9","7","10","6","5","6","1") = "9"
    & skf18("9","7","10","6","5","7","1") = "9"
    & skf18("9","7","10","6","5","8","1") = "9"
    & skf18("9","7","10","6","5","9","1") = "9"
    & skf18("9","7","10","6","5","10","1") = "9"
    & skf18("9","7","10","6","6","1","1") = "9"
    & skf18("9","7","10","6","6","2","1") = "9"
    & skf18("9","7","10","6","6","3","1") = "9"
    & skf18("9","7","10","6","6","4","1") = "9"
    & skf18("9","7","10","6","6","5","1") = "9"
    & skf18("9","7","10","6","6","6","1") = "9"
    & skf18("9","7","10","6","6","7","1") = "9"
    & skf18("9","7","10","6","6","8","1") = "9"
    & skf18("9","7","10","6","6","9","1") = "9"
    & skf18("9","7","10","6","6","10","1") = "9"
    & skf18("9","7","10","6","7","1","1") = "9"
    & skf18("9","7","10","6","7","2","1") = "9"
    & skf18("9","7","10","6","7","3","1") = "9"
    & skf18("9","7","10","6","7","4","1") = "9"
    & skf18("9","7","10","6","7","5","1") = "9"
    & skf18("9","7","10","6","7","6","1") = "9"
    & skf18("9","7","10","6","7","7","1") = "9"
    & skf18("9","7","10","6","7","8","1") = "9"
    & skf18("9","7","10","6","7","9","1") = "9"
    & skf18("9","7","10","6","7","10","1") = "9"
    & skf18("9","7","10","6","8","1","1") = "9"
    & skf18("9","7","10","6","8","2","1") = "9"
    & skf18("9","7","10","6","8","3","1") = "9"
    & skf18("9","7","10","6","8","4","1") = "9"
    & skf18("9","7","10","6","8","5","1") = "9"
    & skf18("9","7","10","6","8","6","1") = "9"
    & skf18("9","7","10","6","8","7","1") = "9"
    & skf18("9","7","10","6","8","8","1") = "9"
    & skf18("9","7","10","6","8","9","1") = "9"
    & skf18("9","7","10","6","8","10","1") = "9"
    & skf18("9","7","10","6","9","1","1") = "9"
    & skf18("9","7","10","6","9","2","1") = "9"
    & skf18("9","7","10","6","9","3","1") = "9"
    & skf18("9","7","10","6","9","4","1") = "9"
    & skf18("9","7","10","6","9","5","1") = "9"
    & skf18("9","7","10","6","9","6","1") = "9"
    & skf18("9","7","10","6","9","7","1") = "9"
    & skf18("9","7","10","6","9","8","1") = "9"
    & skf18("9","7","10","6","9","9","1") = "9"
    & skf18("9","7","10","6","9","10","1") = "9"
    & skf18("9","7","10","6","10","1","1") = "9"
    & skf18("9","7","10","6","10","2","1") = "9"
    & skf18("9","7","10","6","10","3","1") = "9"
    & skf18("9","7","10","6","10","4","1") = "9"
    & skf18("9","7","10","6","10","5","1") = "9"
    & skf18("9","7","10","6","10","6","1") = "9"
    & skf18("9","7","10","6","10","7","1") = "9"
    & skf18("9","7","10","6","10","8","1") = "9"
    & skf18("9","7","10","6","10","9","1") = "9"
    & skf18("9","7","10","6","10","10","1") = "9"
    & skf18("9","7","10","7","1","1","1") = "9"
    & skf18("9","7","10","7","1","2","1") = "9"
    & skf18("9","7","10","7","1","3","1") = "9"
    & skf18("9","7","10","7","1","4","1") = "9"
    & skf18("9","7","10","7","1","5","1") = "9"
    & skf18("9","7","10","7","1","6","1") = "9"
    & skf18("9","7","10","7","1","7","1") = "9"
    & skf18("9","7","10","7","1","8","1") = "9"
    & skf18("9","7","10","7","1","9","1") = "9"
    & skf18("9","7","10","7","1","10","1") = "9"
    & skf18("9","7","10","7","2","1","1") = "9"
    & skf18("9","7","10","7","2","2","1") = "9"
    & skf18("9","7","10","7","2","3","1") = "9"
    & skf18("9","7","10","7","2","4","1") = "9"
    & skf18("9","7","10","7","2","5","1") = "9"
    & skf18("9","7","10","7","2","6","1") = "9"
    & skf18("9","7","10","7","2","7","1") = "9"
    & skf18("9","7","10","7","2","8","1") = "9"
    & skf18("9","7","10","7","2","9","1") = "9"
    & skf18("9","7","10","7","2","10","1") = "9"
    & skf18("9","7","10","7","3","1","1") = "9"
    & skf18("9","7","10","7","3","2","1") = "9"
    & skf18("9","7","10","7","3","3","1") = "9"
    & skf18("9","7","10","7","3","4","1") = "9"
    & skf18("9","7","10","7","3","5","1") = "9"
    & skf18("9","7","10","7","3","6","1") = "9"
    & skf18("9","7","10","7","3","7","1") = "9"
    & skf18("9","7","10","7","3","8","1") = "9"
    & skf18("9","7","10","7","3","9","1") = "9"
    & skf18("9","7","10","7","3","10","1") = "9"
    & skf18("9","7","10","7","4","1","1") = "9"
    & skf18("9","7","10","7","4","2","1") = "9"
    & skf18("9","7","10","7","4","3","1") = "9"
    & skf18("9","7","10","7","4","4","1") = "9"
    & skf18("9","7","10","7","4","5","1") = "9"
    & skf18("9","7","10","7","4","6","1") = "9"
    & skf18("9","7","10","7","4","7","1") = "9"
    & skf18("9","7","10","7","4","8","1") = "9"
    & skf18("9","7","10","7","4","9","1") = "9"
    & skf18("9","7","10","7","4","10","1") = "9"
    & skf18("9","7","10","7","5","1","1") = "9"
    & skf18("9","7","10","7","5","2","1") = "9"
    & skf18("9","7","10","7","5","3","1") = "9"
    & skf18("9","7","10","7","5","4","1") = "9"
    & skf18("9","7","10","7","5","5","1") = "9"
    & skf18("9","7","10","7","5","6","1") = "9"
    & skf18("9","7","10","7","5","7","1") = "9"
    & skf18("9","7","10","7","5","8","1") = "9"
    & skf18("9","7","10","7","5","9","1") = "9"
    & skf18("9","7","10","7","5","10","1") = "9"
    & skf18("9","7","10","7","6","1","1") = "9"
    & skf18("9","7","10","7","6","2","1") = "9"
    & skf18("9","7","10","7","6","3","1") = "9"
    & skf18("9","7","10","7","6","4","1") = "9"
    & skf18("9","7","10","7","6","5","1") = "9"
    & skf18("9","7","10","7","6","6","1") = "9"
    & skf18("9","7","10","7","6","7","1") = "9"
    & skf18("9","7","10","7","6","8","1") = "9"
    & skf18("9","7","10","7","6","9","1") = "9"
    & skf18("9","7","10","7","6","10","1") = "9"
    & skf18("9","7","10","7","7","1","1") = "9"
    & skf18("9","7","10","7","7","2","1") = "9"
    & skf18("9","7","10","7","7","3","1") = "9"
    & skf18("9","7","10","7","7","4","1") = "9"
    & skf18("9","7","10","7","7","5","1") = "9"
    & skf18("9","7","10","7","7","6","1") = "9"
    & skf18("9","7","10","7","7","7","1") = "9"
    & skf18("9","7","10","7","7","8","1") = "9"
    & skf18("9","7","10","7","7","9","1") = "9"
    & skf18("9","7","10","7","7","10","1") = "9"
    & skf18("9","7","10","7","8","1","1") = "9"
    & skf18("9","7","10","7","8","2","1") = "9"
    & skf18("9","7","10","7","8","3","1") = "9"
    & skf18("9","7","10","7","8","4","1") = "9"
    & skf18("9","7","10","7","8","5","1") = "9"
    & skf18("9","7","10","7","8","6","1") = "9"
    & skf18("9","7","10","7","8","7","1") = "9"
    & skf18("9","7","10","7","8","8","1") = "9"
    & skf18("9","7","10","7","8","9","1") = "9"
    & skf18("9","7","10","7","8","10","1") = "9"
    & skf18("9","7","10","7","9","1","1") = "9"
    & skf18("9","7","10","7","9","2","1") = "9"
    & skf18("9","7","10","7","9","3","1") = "9"
    & skf18("9","7","10","7","9","4","1") = "9"
    & skf18("9","7","10","7","9","5","1") = "9"
    & skf18("9","7","10","7","9","6","1") = "9"
    & skf18("9","7","10","7","9","7","1") = "9"
    & skf18("9","7","10","7","9","8","1") = "9"
    & skf18("9","7","10","7","9","9","1") = "9"
    & skf18("9","7","10","7","9","10","1") = "9"
    & skf18("9","7","10","7","10","1","1") = "9"
    & skf18("9","7","10","7","10","2","1") = "9"
    & skf18("9","7","10","7","10","3","1") = "9"
    & skf18("9","7","10","7","10","4","1") = "9"
    & skf18("9","7","10","7","10","5","1") = "9"
    & skf18("9","7","10","7","10","6","1") = "9"
    & skf18("9","7","10","7","10","7","1") = "9"
    & skf18("9","7","10","7","10","8","1") = "9"
    & skf18("9","7","10","7","10","9","1") = "9"
    & skf18("9","7","10","7","10","10","1") = "9"
    & skf18("9","7","10","8","1","1","1") = "9"
    & skf18("9","7","10","8","1","2","1") = "9"
    & skf18("9","7","10","8","1","3","1") = "9"
    & skf18("9","7","10","8","1","4","1") = "9"
    & skf18("9","7","10","8","1","5","1") = "9"
    & skf18("9","7","10","8","1","6","1") = "9"
    & skf18("9","7","10","8","1","7","1") = "9"
    & skf18("9","7","10","8","1","8","1") = "9"
    & skf18("9","7","10","8","1","9","1") = "9"
    & skf18("9","7","10","8","1","10","1") = "9"
    & skf18("9","7","10","8","2","1","1") = "9"
    & skf18("9","7","10","8","2","2","1") = "9"
    & skf18("9","7","10","8","2","3","1") = "9"
    & skf18("9","7","10","8","2","4","1") = "9"
    & skf18("9","7","10","8","2","5","1") = "9"
    & skf18("9","7","10","8","2","6","1") = "9"
    & skf18("9","7","10","8","2","7","1") = "9"
    & skf18("9","7","10","8","2","8","1") = "9"
    & skf18("9","7","10","8","2","9","1") = "9"
    & skf18("9","7","10","8","2","10","1") = "9"
    & skf18("9","7","10","8","3","1","1") = "9"
    & skf18("9","7","10","8","3","2","1") = "9"
    & skf18("9","7","10","8","3","3","1") = "9"
    & skf18("9","7","10","8","3","4","1") = "9"
    & skf18("9","7","10","8","3","5","1") = "9"
    & skf18("9","7","10","8","3","6","1") = "9"
    & skf18("9","7","10","8","3","7","1") = "9"
    & skf18("9","7","10","8","3","8","1") = "9"
    & skf18("9","7","10","8","3","9","1") = "9"
    & skf18("9","7","10","8","3","10","1") = "9"
    & skf18("9","7","10","8","4","1","1") = "9"
    & skf18("9","7","10","8","4","2","1") = "9"
    & skf18("9","7","10","8","4","3","1") = "9"
    & skf18("9","7","10","8","4","4","1") = "9"
    & skf18("9","7","10","8","4","5","1") = "9"
    & skf18("9","7","10","8","4","6","1") = "9"
    & skf18("9","7","10","8","4","7","1") = "9"
    & skf18("9","7","10","8","4","8","1") = "9"
    & skf18("9","7","10","8","4","9","1") = "9"
    & skf18("9","7","10","8","4","10","1") = "9"
    & skf18("9","7","10","8","5","1","1") = "9"
    & skf18("9","7","10","8","5","2","1") = "9"
    & skf18("9","7","10","8","5","3","1") = "9"
    & skf18("9","7","10","8","5","4","1") = "9"
    & skf18("9","7","10","8","5","5","1") = "9"
    & skf18("9","7","10","8","5","6","1") = "9"
    & skf18("9","7","10","8","5","7","1") = "9"
    & skf18("9","7","10","8","5","8","1") = "9"
    & skf18("9","7","10","8","5","9","1") = "9"
    & skf18("9","7","10","8","5","10","1") = "9"
    & skf18("9","7","10","8","6","1","1") = "9"
    & skf18("9","7","10","8","6","2","1") = "9"
    & skf18("9","7","10","8","6","3","1") = "9"
    & skf18("9","7","10","8","6","4","1") = "9"
    & skf18("9","7","10","8","6","5","1") = "9"
    & skf18("9","7","10","8","6","6","1") = "9"
    & skf18("9","7","10","8","6","7","1") = "9"
    & skf18("9","7","10","8","6","8","1") = "9"
    & skf18("9","7","10","8","6","9","1") = "9"
    & skf18("9","7","10","8","6","10","1") = "9"
    & skf18("9","7","10","8","7","1","1") = "9"
    & skf18("9","7","10","8","7","2","1") = "9"
    & skf18("9","7","10","8","7","3","1") = "9"
    & skf18("9","7","10","8","7","4","1") = "9"
    & skf18("9","7","10","8","7","5","1") = "9"
    & skf18("9","7","10","8","7","6","1") = "9"
    & skf18("9","7","10","8","7","7","1") = "9"
    & skf18("9","7","10","8","7","8","1") = "9"
    & skf18("9","7","10","8","7","9","1") = "9"
    & skf18("9","7","10","8","7","10","1") = "9"
    & skf18("9","7","10","8","8","1","1") = "9"
    & skf18("9","7","10","8","8","2","1") = "9"
    & skf18("9","7","10","8","8","3","1") = "9"
    & skf18("9","7","10","8","8","4","1") = "9"
    & skf18("9","7","10","8","8","5","1") = "9"
    & skf18("9","7","10","8","8","6","1") = "9"
    & skf18("9","7","10","8","8","7","1") = "9"
    & skf18("9","7","10","8","8","8","1") = "9"
    & skf18("9","7","10","8","8","9","1") = "9"
    & skf18("9","7","10","8","8","10","1") = "9"
    & skf18("9","7","10","8","9","1","1") = "9"
    & skf18("9","7","10","8","9","2","1") = "9"
    & skf18("9","7","10","8","9","3","1") = "9"
    & skf18("9","7","10","8","9","4","1") = "9"
    & skf18("9","7","10","8","9","5","1") = "9"
    & skf18("9","7","10","8","9","6","1") = "9"
    & skf18("9","7","10","8","9","7","1") = "9"
    & skf18("9","7","10","8","9","8","1") = "9"
    & skf18("9","7","10","8","9","9","1") = "9"
    & skf18("9","7","10","8","9","10","1") = "9"
    & skf18("9","7","10","8","10","1","1") = "9"
    & skf18("9","7","10","8","10","2","1") = "9"
    & skf18("9","7","10","8","10","3","1") = "9"
    & skf18("9","7","10","8","10","4","1") = "9"
    & skf18("9","7","10","8","10","5","1") = "9"
    & skf18("9","7","10","8","10","6","1") = "9"
    & skf18("9","7","10","8","10","7","1") = "9"
    & skf18("9","7","10","8","10","8","1") = "9"
    & skf18("9","7","10","8","10","9","1") = "9"
    & skf18("9","7","10","8","10","10","1") = "9"
    & skf18("9","7","10","9","1","1","1") = "9"
    & skf18("9","7","10","9","1","2","1") = "9"
    & skf18("9","7","10","9","1","3","1") = "9"
    & skf18("9","7","10","9","1","4","1") = "9"
    & skf18("9","7","10","9","1","5","1") = "9"
    & skf18("9","7","10","9","1","6","1") = "9"
    & skf18("9","7","10","9","1","7","1") = "9"
    & skf18("9","7","10","9","1","8","1") = "9"
    & skf18("9","7","10","9","1","9","1") = "9"
    & skf18("9","7","10","9","1","10","1") = "9"
    & skf18("9","7","10","9","2","1","1") = "9"
    & skf18("9","7","10","9","2","2","1") = "9"
    & skf18("9","7","10","9","2","3","1") = "9"
    & skf18("9","7","10","9","2","4","1") = "9"
    & skf18("9","7","10","9","2","5","1") = "9"
    & skf18("9","7","10","9","2","6","1") = "9"
    & skf18("9","7","10","9","2","7","1") = "9"
    & skf18("9","7","10","9","2","8","1") = "9"
    & skf18("9","7","10","9","2","9","1") = "9"
    & skf18("9","7","10","9","2","10","1") = "9"
    & skf18("9","7","10","9","3","1","1") = "9"
    & skf18("9","7","10","9","3","2","1") = "9"
    & skf18("9","7","10","9","3","3","1") = "9"
    & skf18("9","7","10","9","3","4","1") = "9"
    & skf18("9","7","10","9","3","5","1") = "9"
    & skf18("9","7","10","9","3","6","1") = "9"
    & skf18("9","7","10","9","3","7","1") = "9"
    & skf18("9","7","10","9","3","8","1") = "9"
    & skf18("9","7","10","9","3","9","1") = "9"
    & skf18("9","7","10","9","3","10","1") = "9"
    & skf18("9","7","10","9","4","1","1") = "9"
    & skf18("9","7","10","9","4","2","1") = "9"
    & skf18("9","7","10","9","4","3","1") = "9"
    & skf18("9","7","10","9","4","4","1") = "9"
    & skf18("9","7","10","9","4","5","1") = "9"
    & skf18("9","7","10","9","4","6","1") = "9"
    & skf18("9","7","10","9","4","7","1") = "9"
    & skf18("9","7","10","9","4","8","1") = "9"
    & skf18("9","7","10","9","4","9","1") = "9"
    & skf18("9","7","10","9","4","10","1") = "9"
    & skf18("9","7","10","9","5","1","1") = "9"
    & skf18("9","7","10","9","5","2","1") = "9"
    & skf18("9","7","10","9","5","3","1") = "9"
    & skf18("9","7","10","9","5","4","1") = "9"
    & skf18("9","7","10","9","5","5","1") = "9"
    & skf18("9","7","10","9","5","6","1") = "9"
    & skf18("9","7","10","9","5","7","1") = "9"
    & skf18("9","7","10","9","5","8","1") = "9"
    & skf18("9","7","10","9","5","9","1") = "9"
    & skf18("9","7","10","9","5","10","1") = "9"
    & skf18("9","7","10","9","6","1","1") = "9"
    & skf18("9","7","10","9","6","2","1") = "9"
    & skf18("9","7","10","9","6","3","1") = "9"
    & skf18("9","7","10","9","6","4","1") = "9"
    & skf18("9","7","10","9","6","5","1") = "9"
    & skf18("9","7","10","9","6","6","1") = "9"
    & skf18("9","7","10","9","6","7","1") = "9"
    & skf18("9","7","10","9","6","8","1") = "9"
    & skf18("9","7","10","9","6","9","1") = "9"
    & skf18("9","7","10","9","6","10","1") = "9"
    & skf18("9","7","10","9","7","1","1") = "9"
    & skf18("9","7","10","9","7","2","1") = "9"
    & skf18("9","7","10","9","7","3","1") = "9"
    & skf18("9","7","10","9","7","4","1") = "9"
    & skf18("9","7","10","9","7","5","1") = "9"
    & skf18("9","7","10","9","7","6","1") = "9"
    & skf18("9","7","10","9","7","7","1") = "9"
    & skf18("9","7","10","9","7","8","1") = "9"
    & skf18("9","7","10","9","7","9","1") = "9"
    & skf18("9","7","10","9","7","10","1") = "9"
    & skf18("9","7","10","9","8","1","1") = "9"
    & skf18("9","7","10","9","8","2","1") = "9"
    & skf18("9","7","10","9","8","3","1") = "9"
    & skf18("9","7","10","9","8","4","1") = "9"
    & skf18("9","7","10","9","8","5","1") = "9"
    & skf18("9","7","10","9","8","6","1") = "9"
    & skf18("9","7","10","9","8","7","1") = "9"
    & skf18("9","7","10","9","8","8","1") = "9"
    & skf18("9","7","10","9","8","9","1") = "9"
    & skf18("9","7","10","9","8","10","1") = "9"
    & skf18("9","7","10","9","9","1","1") = "9"
    & skf18("9","7","10","9","9","2","1") = "9"
    & skf18("9","7","10","9","9","3","1") = "9"
    & skf18("9","7","10","9","9","4","1") = "9"
    & skf18("9","7","10","9","9","5","1") = "9"
    & skf18("9","7","10","9","9","6","1") = "9"
    & skf18("9","7","10","9","9","7","1") = "9"
    & skf18("9","7","10","9","9","8","1") = "9"
    & skf18("9","7","10","9","9","9","1") = "9"
    & skf18("9","7","10","9","9","10","1") = "9"
    & skf18("9","7","10","9","10","1","1") = "9"
    & skf18("9","7","10","9","10","2","1") = "9"
    & skf18("9","7","10","9","10","3","1") = "9"
    & skf18("9","7","10","9","10","4","1") = "9"
    & skf18("9","7","10","9","10","5","1") = "9"
    & skf18("9","7","10","9","10","6","1") = "9"
    & skf18("9","7","10","9","10","7","1") = "9"
    & skf18("9","7","10","9","10","8","1") = "9"
    & skf18("9","7","10","9","10","9","1") = "9"
    & skf18("9","7","10","9","10","10","1") = "9"
    & skf18("9","7","10","10","1","1","1") = "9"
    & skf18("9","7","10","10","1","2","1") = "9"
    & skf18("9","7","10","10","1","3","1") = "9"
    & skf18("9","7","10","10","1","4","1") = "9"
    & skf18("9","7","10","10","1","5","1") = "9"
    & skf18("9","7","10","10","1","6","1") = "9"
    & skf18("9","7","10","10","1","7","1") = "9"
    & skf18("9","7","10","10","1","8","1") = "9"
    & skf18("9","7","10","10","1","9","1") = "9"
    & skf18("9","7","10","10","1","10","1") = "9"
    & skf18("9","7","10","10","2","1","1") = "9"
    & skf18("9","7","10","10","2","2","1") = "9"
    & skf18("9","7","10","10","2","3","1") = "9"
    & skf18("9","7","10","10","2","4","1") = "9"
    & skf18("9","7","10","10","2","5","1") = "9"
    & skf18("9","7","10","10","2","6","1") = "9"
    & skf18("9","7","10","10","2","7","1") = "9"
    & skf18("9","7","10","10","2","8","1") = "9"
    & skf18("9","7","10","10","2","9","1") = "9"
    & skf18("9","7","10","10","2","10","1") = "9"
    & skf18("9","7","10","10","3","1","1") = "9"
    & skf18("9","7","10","10","3","2","1") = "9"
    & skf18("9","7","10","10","3","3","1") = "9"
    & skf18("9","7","10","10","3","4","1") = "9"
    & skf18("9","7","10","10","3","5","1") = "9"
    & skf18("9","7","10","10","3","6","1") = "9"
    & skf18("9","7","10","10","3","7","1") = "9"
    & skf18("9","7","10","10","3","8","1") = "9"
    & skf18("9","7","10","10","3","9","1") = "9"
    & skf18("9","7","10","10","3","10","1") = "9"
    & skf18("9","7","10","10","4","1","1") = "9"
    & skf18("9","7","10","10","4","2","1") = "9"
    & skf18("9","7","10","10","4","3","1") = "9"
    & skf18("9","7","10","10","4","4","1") = "9"
    & skf18("9","7","10","10","4","5","1") = "9"
    & skf18("9","7","10","10","4","6","1") = "9"
    & skf18("9","7","10","10","4","7","1") = "9"
    & skf18("9","7","10","10","4","8","1") = "9"
    & skf18("9","7","10","10","4","9","1") = "9"
    & skf18("9","7","10","10","4","10","1") = "9"
    & skf18("9","7","10","10","5","1","1") = "9"
    & skf18("9","7","10","10","5","2","1") = "9"
    & skf18("9","7","10","10","5","3","1") = "9"
    & skf18("9","7","10","10","5","4","1") = "9"
    & skf18("9","7","10","10","5","5","1") = "9"
    & skf18("9","7","10","10","5","6","1") = "9"
    & skf18("9","7","10","10","5","7","1") = "9"
    & skf18("9","7","10","10","5","8","1") = "9"
    & skf18("9","7","10","10","5","9","1") = "9"
    & skf18("9","7","10","10","5","10","1") = "9"
    & skf18("9","7","10","10","6","1","1") = "9"
    & skf18("9","7","10","10","6","2","1") = "9"
    & skf18("9","7","10","10","6","3","1") = "9"
    & skf18("9","7","10","10","6","4","1") = "9"
    & skf18("9","7","10","10","6","5","1") = "9"
    & skf18("9","7","10","10","6","6","1") = "9"
    & skf18("9","7","10","10","6","7","1") = "9"
    & skf18("9","7","10","10","6","8","1") = "9"
    & skf18("9","7","10","10","6","9","1") = "9"
    & skf18("9","7","10","10","6","10","1") = "9"
    & skf18("9","7","10","10","7","1","1") = "9"
    & skf18("9","7","10","10","7","2","1") = "9"
    & skf18("9","7","10","10","7","3","1") = "9"
    & skf18("9","7","10","10","7","4","1") = "9"
    & skf18("9","7","10","10","7","5","1") = "9"
    & skf18("9","7","10","10","7","6","1") = "9"
    & skf18("9","7","10","10","7","7","1") = "9"
    & skf18("9","7","10","10","7","8","1") = "9"
    & skf18("9","7","10","10","7","9","1") = "9"
    & skf18("9","7","10","10","7","10","1") = "9"
    & skf18("9","7","10","10","8","1","1") = "9"
    & skf18("9","7","10","10","8","2","1") = "9"
    & skf18("9","7","10","10","8","3","1") = "9"
    & skf18("9","7","10","10","8","4","1") = "9"
    & skf18("9","7","10","10","8","5","1") = "9"
    & skf18("9","7","10","10","8","6","1") = "9"
    & skf18("9","7","10","10","8","7","1") = "9"
    & skf18("9","7","10","10","8","8","1") = "9"
    & skf18("9","7","10","10","8","9","1") = "9"
    & skf18("9","7","10","10","8","10","1") = "9"
    & skf18("9","7","10","10","9","1","1") = "9"
    & skf18("9","7","10","10","9","2","1") = "9"
    & skf18("9","7","10","10","9","3","1") = "9"
    & skf18("9","7","10","10","9","4","1") = "9"
    & skf18("9","7","10","10","9","5","1") = "9"
    & skf18("9","7","10","10","9","6","1") = "9"
    & skf18("9","7","10","10","9","7","1") = "9"
    & skf18("9","7","10","10","9","8","1") = "9"
    & skf18("9","7","10","10","9","9","1") = "9"
    & skf18("9","7","10","10","9","10","1") = "9"
    & skf18("9","7","10","10","10","1","1") = "9"
    & skf18("9","7","10","10","10","2","1") = "9"
    & skf18("9","7","10","10","10","3","1") = "9"
    & skf18("9","7","10","10","10","4","1") = "9"
    & skf18("9","7","10","10","10","5","1") = "9"
    & skf18("9","7","10","10","10","6","1") = "9"
    & skf18("9","7","10","10","10","7","1") = "9"
    & skf18("9","7","10","10","10","8","1") = "9"
    & skf18("9","7","10","10","10","9","1") = "9"
    & skf18("9","7","10","10","10","10","1") = "9"
    & skf18("9","8","1","1","1","1","1") = "8"
    & skf18("9","8","1","1","1","2","1") = "8"
    & skf18("9","8","1","1","1","3","1") = "8"
    & skf18("9","8","1","1","1","4","1") = "8"
    & skf18("9","8","1","1","1","5","1") = "8"
    & skf18("9","8","1","1","1","6","1") = "8"
    & skf18("9","8","1","1","1","7","1") = "8"
    & skf18("9","8","1","1","1","8","1") = "8"
    & skf18("9","8","1","1","1","9","1") = "8"
    & skf18("9","8","1","1","1","10","1") = "9"
    & skf18("9","8","1","1","2","1","1") = "8"
    & skf18("9","8","1","1","2","2","1") = "8"
    & skf18("9","8","1","1","2","3","1") = "8"
    & skf18("9","8","1","1","2","4","1") = "8"
    & skf18("9","8","1","1","2","5","1") = "8"
    & skf18("9","8","1","1","2","6","1") = "8"
    & skf18("9","8","1","1","2","7","1") = "8"
    & skf18("9","8","1","1","2","8","1") = "8"
    & skf18("9","8","1","1","2","9","1") = "8"
    & skf18("9","8","1","1","2","10","1") = "9"
    & skf18("9","8","1","1","3","1","1") = "8"
    & skf18("9","8","1","1","3","2","1") = "8"
    & skf18("9","8","1","1","3","3","1") = "8"
    & skf18("9","8","1","1","3","4","1") = "8"
    & skf18("9","8","1","1","3","5","1") = "8"
    & skf18("9","8","1","1","3","6","1") = "8"
    & skf18("9","8","1","1","3","7","1") = "8"
    & skf18("9","8","1","1","3","8","1") = "8"
    & skf18("9","8","1","1","3","9","1") = "8"
    & skf18("9","8","1","1","3","10","1") = "9"
    & skf18("9","8","1","1","4","1","1") = "8"
    & skf18("9","8","1","1","4","2","1") = "8"
    & skf18("9","8","1","1","4","3","1") = "8"
    & skf18("9","8","1","1","4","4","1") = "8"
    & skf18("9","8","1","1","4","5","1") = "8"
    & skf18("9","8","1","1","4","6","1") = "8"
    & skf18("9","8","1","1","4","7","1") = "8"
    & skf18("9","8","1","1","4","8","1") = "8"
    & skf18("9","8","1","1","4","9","1") = "8"
    & skf18("9","8","1","1","4","10","1") = "9"
    & skf18("9","8","1","1","5","1","1") = "8"
    & skf18("9","8","1","1","5","2","1") = "8"
    & skf18("9","8","1","1","5","3","1") = "8"
    & skf18("9","8","1","1","5","4","1") = "8"
    & skf18("9","8","1","1","5","5","1") = "8"
    & skf18("9","8","1","1","5","6","1") = "8"
    & skf18("9","8","1","1","5","7","1") = "8"
    & skf18("9","8","1","1","5","8","1") = "8"
    & skf18("9","8","1","1","5","9","1") = "8"
    & skf18("9","8","1","1","5","10","1") = "9"
    & skf18("9","8","1","1","6","1","1") = "8"
    & skf18("9","8","1","1","6","2","1") = "8"
    & skf18("9","8","1","1","6","3","1") = "8"
    & skf18("9","8","1","1","6","4","1") = "8"
    & skf18("9","8","1","1","6","5","1") = "8"
    & skf18("9","8","1","1","6","6","1") = "8"
    & skf18("9","8","1","1","6","7","1") = "8"
    & skf18("9","8","1","1","6","8","1") = "8"
    & skf18("9","8","1","1","6","9","1") = "8"
    & skf18("9","8","1","1","6","10","1") = "9"
    & skf18("9","8","1","1","7","1","1") = "8"
    & skf18("9","8","1","1","7","2","1") = "8"
    & skf18("9","8","1","1","7","3","1") = "8"
    & skf18("9","8","1","1","7","4","1") = "8"
    & skf18("9","8","1","1","7","5","1") = "8"
    & skf18("9","8","1","1","7","6","1") = "8"
    & skf18("9","8","1","1","7","7","1") = "8"
    & skf18("9","8","1","1","7","8","1") = "8"
    & skf18("9","8","1","1","7","9","1") = "8"
    & skf18("9","8","1","1","7","10","1") = "9"
    & skf18("9","8","1","1","8","1","1") = "8"
    & skf18("9","8","1","1","8","2","1") = "8"
    & skf18("9","8","1","1","8","3","1") = "8"
    & skf18("9","8","1","1","8","4","1") = "8"
    & skf18("9","8","1","1","8","5","1") = "8"
    & skf18("9","8","1","1","8","6","1") = "8"
    & skf18("9","8","1","1","8","7","1") = "8"
    & skf18("9","8","1","1","8","8","1") = "8"
    & skf18("9","8","1","1","8","9","1") = "8"
    & skf18("9","8","1","1","8","10","1") = "9"
    & skf18("9","8","1","1","9","1","1") = "8"
    & skf18("9","8","1","1","9","2","1") = "8"
    & skf18("9","8","1","1","9","3","1") = "8"
    & skf18("9","8","1","1","9","4","1") = "8"
    & skf18("9","8","1","1","9","5","1") = "8"
    & skf18("9","8","1","1","9","6","1") = "8"
    & skf18("9","8","1","1","9","7","1") = "8"
    & skf18("9","8","1","1","9","8","1") = "8"
    & skf18("9","8","1","1","9","9","1") = "8"
    & skf18("9","8","1","1","9","10","1") = "9"
    & skf18("9","8","1","1","10","1","1") = "9"
    & skf18("9","8","1","1","10","2","1") = "9"
    & skf18("9","8","1","1","10","3","1") = "9"
    & skf18("9","8","1","1","10","4","1") = "9"
    & skf18("9","8","1","1","10","5","1") = "9"
    & skf18("9","8","1","1","10","6","1") = "9"
    & skf18("9","8","1","1","10","7","1") = "9"
    & skf18("9","8","1","1","10","8","1") = "9"
    & skf18("9","8","1","1","10","9","1") = "9"
    & skf18("9","8","1","1","10","10","1") = "9"
    & skf18("9","8","1","2","1","1","1") = "8"
    & skf18("9","8","1","2","1","2","1") = "8"
    & skf18("9","8","1","2","1","3","1") = "8"
    & skf18("9","8","1","2","1","4","1") = "8"
    & skf18("9","8","1","2","1","5","1") = "8"
    & skf18("9","8","1","2","1","6","1") = "8"
    & skf18("9","8","1","2","1","7","1") = "8"
    & skf18("9","8","1","2","1","8","1") = "8"
    & skf18("9","8","1","2","1","9","1") = "8"
    & skf18("9","8","1","2","1","10","1") = "9"
    & skf18("9","8","1","2","2","1","1") = "8"
    & skf18("9","8","1","2","2","2","1") = "8"
    & skf18("9","8","1","2","2","3","1") = "8"
    & skf18("9","8","1","2","2","4","1") = "8"
    & skf18("9","8","1","2","2","5","1") = "8"
    & skf18("9","8","1","2","2","6","1") = "8"
    & skf18("9","8","1","2","2","7","1") = "8"
    & skf18("9","8","1","2","2","8","1") = "8"
    & skf18("9","8","1","2","2","9","1") = "8"
    & skf18("9","8","1","2","2","10","1") = "9"
    & skf18("9","8","1","2","3","1","1") = "8"
    & skf18("9","8","1","2","3","2","1") = "8"
    & skf18("9","8","1","2","3","3","1") = "8"
    & skf18("9","8","1","2","3","4","1") = "8"
    & skf18("9","8","1","2","3","5","1") = "8"
    & skf18("9","8","1","2","3","6","1") = "8"
    & skf18("9","8","1","2","3","7","1") = "8"
    & skf18("9","8","1","2","3","8","1") = "8"
    & skf18("9","8","1","2","3","9","1") = "8"
    & skf18("9","8","1","2","3","10","1") = "9"
    & skf18("9","8","1","2","4","1","1") = "8"
    & skf18("9","8","1","2","4","2","1") = "8"
    & skf18("9","8","1","2","4","3","1") = "8"
    & skf18("9","8","1","2","4","4","1") = "8"
    & skf18("9","8","1","2","4","5","1") = "8"
    & skf18("9","8","1","2","4","6","1") = "8"
    & skf18("9","8","1","2","4","7","1") = "8"
    & skf18("9","8","1","2","4","8","1") = "8"
    & skf18("9","8","1","2","4","9","1") = "8"
    & skf18("9","8","1","2","4","10","1") = "9"
    & skf18("9","8","1","2","5","1","1") = "8"
    & skf18("9","8","1","2","5","2","1") = "8"
    & skf18("9","8","1","2","5","3","1") = "8"
    & skf18("9","8","1","2","5","4","1") = "8"
    & skf18("9","8","1","2","5","5","1") = "8"
    & skf18("9","8","1","2","5","6","1") = "8"
    & skf18("9","8","1","2","5","7","1") = "8"
    & skf18("9","8","1","2","5","8","1") = "8"
    & skf18("9","8","1","2","5","9","1") = "8"
    & skf18("9","8","1","2","5","10","1") = "9"
    & skf18("9","8","1","2","6","1","1") = "8"
    & skf18("9","8","1","2","6","2","1") = "8"
    & skf18("9","8","1","2","6","3","1") = "8"
    & skf18("9","8","1","2","6","4","1") = "8"
    & skf18("9","8","1","2","6","5","1") = "8"
    & skf18("9","8","1","2","6","6","1") = "8"
    & skf18("9","8","1","2","6","7","1") = "8"
    & skf18("9","8","1","2","6","8","1") = "8"
    & skf18("9","8","1","2","6","9","1") = "8"
    & skf18("9","8","1","2","6","10","1") = "9"
    & skf18("9","8","1","2","7","1","1") = "8"
    & skf18("9","8","1","2","7","2","1") = "8"
    & skf18("9","8","1","2","7","3","1") = "8"
    & skf18("9","8","1","2","7","4","1") = "8"
    & skf18("9","8","1","2","7","5","1") = "8"
    & skf18("9","8","1","2","7","6","1") = "8"
    & skf18("9","8","1","2","7","7","1") = "8"
    & skf18("9","8","1","2","7","8","1") = "8"
    & skf18("9","8","1","2","7","9","1") = "8"
    & skf18("9","8","1","2","7","10","1") = "9"
    & skf18("9","8","1","2","8","1","1") = "8"
    & skf18("9","8","1","2","8","2","1") = "8"
    & skf18("9","8","1","2","8","3","1") = "8"
    & skf18("9","8","1","2","8","4","1") = "8"
    & skf18("9","8","1","2","8","5","1") = "8"
    & skf18("9","8","1","2","8","6","1") = "8"
    & skf18("9","8","1","2","8","7","1") = "8"
    & skf18("9","8","1","2","8","8","1") = "8"
    & skf18("9","8","1","2","8","9","1") = "8"
    & skf18("9","8","1","2","8","10","1") = "9"
    & skf18("9","8","1","2","9","1","1") = "8"
    & skf18("9","8","1","2","9","2","1") = "8"
    & skf18("9","8","1","2","9","3","1") = "8"
    & skf18("9","8","1","2","9","4","1") = "8"
    & skf18("9","8","1","2","9","5","1") = "8"
    & skf18("9","8","1","2","9","6","1") = "8"
    & skf18("9","8","1","2","9","7","1") = "8"
    & skf18("9","8","1","2","9","8","1") = "8"
    & skf18("9","8","1","2","9","9","1") = "8"
    & skf18("9","8","1","2","9","10","1") = "9"
    & skf18("9","8","1","2","10","1","1") = "9"
    & skf18("9","8","1","2","10","2","1") = "9"
    & skf18("9","8","1","2","10","3","1") = "9"
    & skf18("9","8","1","2","10","4","1") = "9"
    & skf18("9","8","1","2","10","5","1") = "9"
    & skf18("9","8","1","2","10","6","1") = "9"
    & skf18("9","8","1","2","10","7","1") = "9"
    & skf18("9","8","1","2","10","8","1") = "9"
    & skf18("9","8","1","2","10","9","1") = "9"
    & skf18("9","8","1","2","10","10","1") = "9"
    & skf18("9","8","1","3","1","1","1") = "8"
    & skf18("9","8","1","3","1","2","1") = "8"
    & skf18("9","8","1","3","1","3","1") = "8"
    & skf18("9","8","1","3","1","4","1") = "8"
    & skf18("9","8","1","3","1","5","1") = "8"
    & skf18("9","8","1","3","1","6","1") = "8"
    & skf18("9","8","1","3","1","7","1") = "8"
    & skf18("9","8","1","3","1","8","1") = "8"
    & skf18("9","8","1","3","1","9","1") = "8"
    & skf18("9","8","1","3","1","10","1") = "9"
    & skf18("9","8","1","3","2","1","1") = "8"
    & skf18("9","8","1","3","2","2","1") = "8"
    & skf18("9","8","1","3","2","3","1") = "8"
    & skf18("9","8","1","3","2","4","1") = "8"
    & skf18("9","8","1","3","2","5","1") = "8"
    & skf18("9","8","1","3","2","6","1") = "8"
    & skf18("9","8","1","3","2","7","1") = "8"
    & skf18("9","8","1","3","2","8","1") = "8"
    & skf18("9","8","1","3","2","9","1") = "8"
    & skf18("9","8","1","3","2","10","1") = "9"
    & skf18("9","8","1","3","3","1","1") = "8"
    & skf18("9","8","1","3","3","2","1") = "8"
    & skf18("9","8","1","3","3","3","1") = "8"
    & skf18("9","8","1","3","3","4","1") = "8"
    & skf18("9","8","1","3","3","5","1") = "8"
    & skf18("9","8","1","3","3","6","1") = "8"
    & skf18("9","8","1","3","3","7","1") = "8"
    & skf18("9","8","1","3","3","8","1") = "8"
    & skf18("9","8","1","3","3","9","1") = "8"
    & skf18("9","8","1","3","3","10","1") = "9"
    & skf18("9","8","1","3","4","1","1") = "8"
    & skf18("9","8","1","3","4","2","1") = "8"
    & skf18("9","8","1","3","4","3","1") = "8"
    & skf18("9","8","1","3","4","4","1") = "8"
    & skf18("9","8","1","3","4","5","1") = "8"
    & skf18("9","8","1","3","4","6","1") = "8"
    & skf18("9","8","1","3","4","7","1") = "8"
    & skf18("9","8","1","3","4","8","1") = "8"
    & skf18("9","8","1","3","4","9","1") = "8"
    & skf18("9","8","1","3","4","10","1") = "9"
    & skf18("9","8","1","3","5","1","1") = "8"
    & skf18("9","8","1","3","5","2","1") = "8"
    & skf18("9","8","1","3","5","3","1") = "8"
    & skf18("9","8","1","3","5","4","1") = "8"
    & skf18("9","8","1","3","5","5","1") = "8"
    & skf18("9","8","1","3","5","6","1") = "8"
    & skf18("9","8","1","3","5","7","1") = "8"
    & skf18("9","8","1","3","5","8","1") = "8"
    & skf18("9","8","1","3","5","9","1") = "8"
    & skf18("9","8","1","3","5","10","1") = "9"
    & skf18("9","8","1","3","6","1","1") = "8"
    & skf18("9","8","1","3","6","2","1") = "8"
    & skf18("9","8","1","3","6","3","1") = "8"
    & skf18("9","8","1","3","6","4","1") = "8"
    & skf18("9","8","1","3","6","5","1") = "8"
    & skf18("9","8","1","3","6","6","1") = "8"
    & skf18("9","8","1","3","6","7","1") = "8"
    & skf18("9","8","1","3","6","8","1") = "8"
    & skf18("9","8","1","3","6","9","1") = "8"
    & skf18("9","8","1","3","6","10","1") = "9"
    & skf18("9","8","1","3","7","1","1") = "8"
    & skf18("9","8","1","3","7","2","1") = "8"
    & skf18("9","8","1","3","7","3","1") = "8"
    & skf18("9","8","1","3","7","4","1") = "8"
    & skf18("9","8","1","3","7","5","1") = "8"
    & skf18("9","8","1","3","7","6","1") = "8"
    & skf18("9","8","1","3","7","7","1") = "8"
    & skf18("9","8","1","3","7","8","1") = "8"
    & skf18("9","8","1","3","7","9","1") = "8"
    & skf18("9","8","1","3","7","10","1") = "9"
    & skf18("9","8","1","3","8","1","1") = "8"
    & skf18("9","8","1","3","8","2","1") = "8"
    & skf18("9","8","1","3","8","3","1") = "8"
    & skf18("9","8","1","3","8","4","1") = "8"
    & skf18("9","8","1","3","8","5","1") = "8"
    & skf18("9","8","1","3","8","6","1") = "8"
    & skf18("9","8","1","3","8","7","1") = "8"
    & skf18("9","8","1","3","8","8","1") = "8"
    & skf18("9","8","1","3","8","9","1") = "8"
    & skf18("9","8","1","3","8","10","1") = "9"
    & skf18("9","8","1","3","9","1","1") = "8"
    & skf18("9","8","1","3","9","2","1") = "8"
    & skf18("9","8","1","3","9","3","1") = "8"
    & skf18("9","8","1","3","9","4","1") = "8"
    & skf18("9","8","1","3","9","5","1") = "8"
    & skf18("9","8","1","3","9","6","1") = "8"
    & skf18("9","8","1","3","9","7","1") = "8"
    & skf18("9","8","1","3","9","8","1") = "8"
    & skf18("9","8","1","3","9","9","1") = "8"
    & skf18("9","8","1","3","9","10","1") = "9"
    & skf18("9","8","1","3","10","1","1") = "9"
    & skf18("9","8","1","3","10","2","1") = "9"
    & skf18("9","8","1","3","10","3","1") = "9"
    & skf18("9","8","1","3","10","4","1") = "9"
    & skf18("9","8","1","3","10","5","1") = "9"
    & skf18("9","8","1","3","10","6","1") = "9"
    & skf18("9","8","1","3","10","7","1") = "9"
    & skf18("9","8","1","3","10","8","1") = "9"
    & skf18("9","8","1","3","10","9","1") = "9"
    & skf18("9","8","1","3","10","10","1") = "9"
    & skf18("9","8","1","4","1","1","1") = "8"
    & skf18("9","8","1","4","1","2","1") = "8"
    & skf18("9","8","1","4","1","3","1") = "8"
    & skf18("9","8","1","4","1","4","1") = "8"
    & skf18("9","8","1","4","1","5","1") = "8"
    & skf18("9","8","1","4","1","6","1") = "8"
    & skf18("9","8","1","4","1","7","1") = "8"
    & skf18("9","8","1","4","1","8","1") = "8"
    & skf18("9","8","1","4","1","9","1") = "8"
    & skf18("9","8","1","4","1","10","1") = "9"
    & skf18("9","8","1","4","2","1","1") = "8"
    & skf18("9","8","1","4","2","2","1") = "8"
    & skf18("9","8","1","4","2","3","1") = "8"
    & skf18("9","8","1","4","2","4","1") = "8"
    & skf18("9","8","1","4","2","5","1") = "8"
    & skf18("9","8","1","4","2","6","1") = "8"
    & skf18("9","8","1","4","2","7","1") = "8"
    & skf18("9","8","1","4","2","8","1") = "8"
    & skf18("9","8","1","4","2","9","1") = "8"
    & skf18("9","8","1","4","2","10","1") = "9"
    & skf18("9","8","1","4","3","1","1") = "8"
    & skf18("9","8","1","4","3","2","1") = "8"
    & skf18("9","8","1","4","3","3","1") = "8"
    & skf18("9","8","1","4","3","4","1") = "8"
    & skf18("9","8","1","4","3","5","1") = "8"
    & skf18("9","8","1","4","3","6","1") = "8"
    & skf18("9","8","1","4","3","7","1") = "8"
    & skf18("9","8","1","4","3","8","1") = "8"
    & skf18("9","8","1","4","3","9","1") = "8"
    & skf18("9","8","1","4","3","10","1") = "9"
    & skf18("9","8","1","4","4","1","1") = "8"
    & skf18("9","8","1","4","4","2","1") = "8"
    & skf18("9","8","1","4","4","3","1") = "8"
    & skf18("9","8","1","4","4","4","1") = "8"
    & skf18("9","8","1","4","4","5","1") = "8"
    & skf18("9","8","1","4","4","6","1") = "8"
    & skf18("9","8","1","4","4","7","1") = "8"
    & skf18("9","8","1","4","4","8","1") = "8"
    & skf18("9","8","1","4","4","9","1") = "8"
    & skf18("9","8","1","4","4","10","1") = "9"
    & skf18("9","8","1","4","5","1","1") = "8"
    & skf18("9","8","1","4","5","2","1") = "8"
    & skf18("9","8","1","4","5","3","1") = "8"
    & skf18("9","8","1","4","5","4","1") = "8"
    & skf18("9","8","1","4","5","5","1") = "8"
    & skf18("9","8","1","4","5","6","1") = "8"
    & skf18("9","8","1","4","5","7","1") = "8"
    & skf18("9","8","1","4","5","8","1") = "8"
    & skf18("9","8","1","4","5","9","1") = "8"
    & skf18("9","8","1","4","5","10","1") = "9"
    & skf18("9","8","1","4","6","1","1") = "8"
    & skf18("9","8","1","4","6","2","1") = "8"
    & skf18("9","8","1","4","6","3","1") = "8"
    & skf18("9","8","1","4","6","4","1") = "8"
    & skf18("9","8","1","4","6","5","1") = "8"
    & skf18("9","8","1","4","6","6","1") = "8"
    & skf18("9","8","1","4","6","7","1") = "8"
    & skf18("9","8","1","4","6","8","1") = "8"
    & skf18("9","8","1","4","6","9","1") = "8"
    & skf18("9","8","1","4","6","10","1") = "9"
    & skf18("9","8","1","4","7","1","1") = "8"
    & skf18("9","8","1","4","7","2","1") = "8"
    & skf18("9","8","1","4","7","3","1") = "8"
    & skf18("9","8","1","4","7","4","1") = "8"
    & skf18("9","8","1","4","7","5","1") = "8"
    & skf18("9","8","1","4","7","6","1") = "8"
    & skf18("9","8","1","4","7","7","1") = "8"
    & skf18("9","8","1","4","7","8","1") = "8"
    & skf18("9","8","1","4","7","9","1") = "8"
    & skf18("9","8","1","4","7","10","1") = "9"
    & skf18("9","8","1","4","8","1","1") = "8"
    & skf18("9","8","1","4","8","2","1") = "8"
    & skf18("9","8","1","4","8","3","1") = "8"
    & skf18("9","8","1","4","8","4","1") = "8"
    & skf18("9","8","1","4","8","5","1") = "8"
    & skf18("9","8","1","4","8","6","1") = "8"
    & skf18("9","8","1","4","8","7","1") = "8"
    & skf18("9","8","1","4","8","8","1") = "8"
    & skf18("9","8","1","4","8","9","1") = "8"
    & skf18("9","8","1","4","8","10","1") = "9"
    & skf18("9","8","1","4","9","1","1") = "8"
    & skf18("9","8","1","4","9","2","1") = "8"
    & skf18("9","8","1","4","9","3","1") = "8"
    & skf18("9","8","1","4","9","4","1") = "8"
    & skf18("9","8","1","4","9","5","1") = "8"
    & skf18("9","8","1","4","9","6","1") = "8"
    & skf18("9","8","1","4","9","7","1") = "8"
    & skf18("9","8","1","4","9","8","1") = "8"
    & skf18("9","8","1","4","9","9","1") = "8"
    & skf18("9","8","1","4","9","10","1") = "9"
    & skf18("9","8","1","4","10","1","1") = "9"
    & skf18("9","8","1","4","10","2","1") = "9"
    & skf18("9","8","1","4","10","3","1") = "9"
    & skf18("9","8","1","4","10","4","1") = "9"
    & skf18("9","8","1","4","10","5","1") = "9"
    & skf18("9","8","1","4","10","6","1") = "9"
    & skf18("9","8","1","4","10","7","1") = "9"
    & skf18("9","8","1","4","10","8","1") = "9"
    & skf18("9","8","1","4","10","9","1") = "9"
    & skf18("9","8","1","4","10","10","1") = "9"
    & skf18("9","8","1","5","1","1","1") = "8"
    & skf18("9","8","1","5","1","2","1") = "8"
    & skf18("9","8","1","5","1","3","1") = "8"
    & skf18("9","8","1","5","1","4","1") = "8"
    & skf18("9","8","1","5","1","5","1") = "8"
    & skf18("9","8","1","5","1","6","1") = "8"
    & skf18("9","8","1","5","1","7","1") = "8"
    & skf18("9","8","1","5","1","8","1") = "8"
    & skf18("9","8","1","5","1","9","1") = "8"
    & skf18("9","8","1","5","1","10","1") = "9"
    & skf18("9","8","1","5","2","1","1") = "8"
    & skf18("9","8","1","5","2","2","1") = "8"
    & skf18("9","8","1","5","2","3","1") = "8"
    & skf18("9","8","1","5","2","4","1") = "8"
    & skf18("9","8","1","5","2","5","1") = "8"
    & skf18("9","8","1","5","2","6","1") = "8"
    & skf18("9","8","1","5","2","7","1") = "8"
    & skf18("9","8","1","5","2","8","1") = "8"
    & skf18("9","8","1","5","2","9","1") = "8"
    & skf18("9","8","1","5","2","10","1") = "9"
    & skf18("9","8","1","5","3","1","1") = "8"
    & skf18("9","8","1","5","3","2","1") = "8"
    & skf18("9","8","1","5","3","3","1") = "8"
    & skf18("9","8","1","5","3","4","1") = "8"
    & skf18("9","8","1","5","3","5","1") = "8"
    & skf18("9","8","1","5","3","6","1") = "8"
    & skf18("9","8","1","5","3","7","1") = "8"
    & skf18("9","8","1","5","3","8","1") = "8"
    & skf18("9","8","1","5","3","9","1") = "8"
    & skf18("9","8","1","5","3","10","1") = "9"
    & skf18("9","8","1","5","4","1","1") = "8"
    & skf18("9","8","1","5","4","2","1") = "8"
    & skf18("9","8","1","5","4","3","1") = "8"
    & skf18("9","8","1","5","4","4","1") = "8"
    & skf18("9","8","1","5","4","5","1") = "8"
    & skf18("9","8","1","5","4","6","1") = "8"
    & skf18("9","8","1","5","4","7","1") = "8"
    & skf18("9","8","1","5","4","8","1") = "8"
    & skf18("9","8","1","5","4","9","1") = "8"
    & skf18("9","8","1","5","4","10","1") = "9"
    & skf18("9","8","1","5","5","1","1") = "8"
    & skf18("9","8","1","5","5","2","1") = "8"
    & skf18("9","8","1","5","5","3","1") = "8"
    & skf18("9","8","1","5","5","4","1") = "8"
    & skf18("9","8","1","5","5","5","1") = "8"
    & skf18("9","8","1","5","5","6","1") = "8"
    & skf18("9","8","1","5","5","7","1") = "8"
    & skf18("9","8","1","5","5","8","1") = "8"
    & skf18("9","8","1","5","5","9","1") = "8"
    & skf18("9","8","1","5","5","10","1") = "9"
    & skf18("9","8","1","5","6","1","1") = "8"
    & skf18("9","8","1","5","6","2","1") = "8"
    & skf18("9","8","1","5","6","3","1") = "8"
    & skf18("9","8","1","5","6","4","1") = "8"
    & skf18("9","8","1","5","6","5","1") = "8"
    & skf18("9","8","1","5","6","6","1") = "8"
    & skf18("9","8","1","5","6","7","1") = "8"
    & skf18("9","8","1","5","6","8","1") = "8"
    & skf18("9","8","1","5","6","9","1") = "8"
    & skf18("9","8","1","5","6","10","1") = "9"
    & skf18("9","8","1","5","7","1","1") = "8"
    & skf18("9","8","1","5","7","2","1") = "8"
    & skf18("9","8","1","5","7","3","1") = "8"
    & skf18("9","8","1","5","7","4","1") = "8"
    & skf18("9","8","1","5","7","5","1") = "8"
    & skf18("9","8","1","5","7","6","1") = "8"
    & skf18("9","8","1","5","7","7","1") = "8"
    & skf18("9","8","1","5","7","8","1") = "8"
    & skf18("9","8","1","5","7","9","1") = "8"
    & skf18("9","8","1","5","7","10","1") = "9"
    & skf18("9","8","1","5","8","1","1") = "8"
    & skf18("9","8","1","5","8","2","1") = "8"
    & skf18("9","8","1","5","8","3","1") = "8"
    & skf18("9","8","1","5","8","4","1") = "8"
    & skf18("9","8","1","5","8","5","1") = "8"
    & skf18("9","8","1","5","8","6","1") = "8"
    & skf18("9","8","1","5","8","7","1") = "8"
    & skf18("9","8","1","5","8","8","1") = "8"
    & skf18("9","8","1","5","8","9","1") = "8"
    & skf18("9","8","1","5","8","10","1") = "9"
    & skf18("9","8","1","5","9","1","1") = "8"
    & skf18("9","8","1","5","9","2","1") = "8"
    & skf18("9","8","1","5","9","3","1") = "8"
    & skf18("9","8","1","5","9","4","1") = "8"
    & skf18("9","8","1","5","9","5","1") = "8"
    & skf18("9","8","1","5","9","6","1") = "8"
    & skf18("9","8","1","5","9","7","1") = "8"
    & skf18("9","8","1","5","9","8","1") = "8"
    & skf18("9","8","1","5","9","9","1") = "8"
    & skf18("9","8","1","5","9","10","1") = "9"
    & skf18("9","8","1","5","10","1","1") = "9"
    & skf18("9","8","1","5","10","2","1") = "9"
    & skf18("9","8","1","5","10","3","1") = "9"
    & skf18("9","8","1","5","10","4","1") = "9"
    & skf18("9","8","1","5","10","5","1") = "9"
    & skf18("9","8","1","5","10","6","1") = "9"
    & skf18("9","8","1","5","10","7","1") = "9"
    & skf18("9","8","1","5","10","8","1") = "9"
    & skf18("9","8","1","5","10","9","1") = "9"
    & skf18("9","8","1","5","10","10","1") = "9"
    & skf18("9","8","1","6","1","1","1") = "8"
    & skf18("9","8","1","6","1","2","1") = "8"
    & skf18("9","8","1","6","1","3","1") = "8"
    & skf18("9","8","1","6","1","4","1") = "8"
    & skf18("9","8","1","6","1","5","1") = "8"
    & skf18("9","8","1","6","1","6","1") = "8"
    & skf18("9","8","1","6","1","7","1") = "8"
    & skf18("9","8","1","6","1","8","1") = "8"
    & skf18("9","8","1","6","1","9","1") = "8"
    & skf18("9","8","1","6","1","10","1") = "9"
    & skf18("9","8","1","6","2","1","1") = "8"
    & skf18("9","8","1","6","2","2","1") = "8"
    & skf18("9","8","1","6","2","3","1") = "8"
    & skf18("9","8","1","6","2","4","1") = "8"
    & skf18("9","8","1","6","2","5","1") = "8"
    & skf18("9","8","1","6","2","6","1") = "8"
    & skf18("9","8","1","6","2","7","1") = "8"
    & skf18("9","8","1","6","2","8","1") = "8"
    & skf18("9","8","1","6","2","9","1") = "8"
    & skf18("9","8","1","6","2","10","1") = "9"
    & skf18("9","8","1","6","3","1","1") = "8"
    & skf18("9","8","1","6","3","2","1") = "8"
    & skf18("9","8","1","6","3","3","1") = "8"
    & skf18("9","8","1","6","3","4","1") = "8"
    & skf18("9","8","1","6","3","5","1") = "8"
    & skf18("9","8","1","6","3","6","1") = "8"
    & skf18("9","8","1","6","3","7","1") = "8"
    & skf18("9","8","1","6","3","8","1") = "8"
    & skf18("9","8","1","6","3","9","1") = "8"
    & skf18("9","8","1","6","3","10","1") = "9"
    & skf18("9","8","1","6","4","1","1") = "8"
    & skf18("9","8","1","6","4","2","1") = "8"
    & skf18("9","8","1","6","4","3","1") = "8"
    & skf18("9","8","1","6","4","4","1") = "8"
    & skf18("9","8","1","6","4","5","1") = "8"
    & skf18("9","8","1","6","4","6","1") = "8"
    & skf18("9","8","1","6","4","7","1") = "8"
    & skf18("9","8","1","6","4","8","1") = "8"
    & skf18("9","8","1","6","4","9","1") = "8"
    & skf18("9","8","1","6","4","10","1") = "9"
    & skf18("9","8","1","6","5","1","1") = "8"
    & skf18("9","8","1","6","5","2","1") = "8"
    & skf18("9","8","1","6","5","3","1") = "8"
    & skf18("9","8","1","6","5","4","1") = "8"
    & skf18("9","8","1","6","5","5","1") = "8"
    & skf18("9","8","1","6","5","6","1") = "8"
    & skf18("9","8","1","6","5","7","1") = "8"
    & skf18("9","8","1","6","5","8","1") = "8"
    & skf18("9","8","1","6","5","9","1") = "8"
    & skf18("9","8","1","6","5","10","1") = "9"
    & skf18("9","8","1","6","6","1","1") = "8"
    & skf18("9","8","1","6","6","2","1") = "8"
    & skf18("9","8","1","6","6","3","1") = "8"
    & skf18("9","8","1","6","6","4","1") = "8"
    & skf18("9","8","1","6","6","5","1") = "8"
    & skf18("9","8","1","6","6","6","1") = "8"
    & skf18("9","8","1","6","6","7","1") = "8"
    & skf18("9","8","1","6","6","8","1") = "8"
    & skf18("9","8","1","6","6","9","1") = "8"
    & skf18("9","8","1","6","6","10","1") = "9"
    & skf18("9","8","1","6","7","1","1") = "8"
    & skf18("9","8","1","6","7","2","1") = "8"
    & skf18("9","8","1","6","7","3","1") = "8"
    & skf18("9","8","1","6","7","4","1") = "8"
    & skf18("9","8","1","6","7","5","1") = "8"
    & skf18("9","8","1","6","7","6","1") = "8"
    & skf18("9","8","1","6","7","7","1") = "8"
    & skf18("9","8","1","6","7","8","1") = "8"
    & skf18("9","8","1","6","7","9","1") = "8"
    & skf18("9","8","1","6","7","10","1") = "9"
    & skf18("9","8","1","6","8","1","1") = "8"
    & skf18("9","8","1","6","8","2","1") = "8"
    & skf18("9","8","1","6","8","3","1") = "8"
    & skf18("9","8","1","6","8","4","1") = "8"
    & skf18("9","8","1","6","8","5","1") = "8"
    & skf18("9","8","1","6","8","6","1") = "8"
    & skf18("9","8","1","6","8","7","1") = "8"
    & skf18("9","8","1","6","8","8","1") = "8"
    & skf18("9","8","1","6","8","9","1") = "8"
    & skf18("9","8","1","6","8","10","1") = "9"
    & skf18("9","8","1","6","9","1","1") = "8"
    & skf18("9","8","1","6","9","2","1") = "8"
    & skf18("9","8","1","6","9","3","1") = "8"
    & skf18("9","8","1","6","9","4","1") = "8"
    & skf18("9","8","1","6","9","5","1") = "8"
    & skf18("9","8","1","6","9","6","1") = "8"
    & skf18("9","8","1","6","9","7","1") = "8"
    & skf18("9","8","1","6","9","8","1") = "8"
    & skf18("9","8","1","6","9","9","1") = "8"
    & skf18("9","8","1","6","9","10","1") = "9"
    & skf18("9","8","1","6","10","1","1") = "9"
    & skf18("9","8","1","6","10","2","1") = "9"
    & skf18("9","8","1","6","10","3","1") = "9"
    & skf18("9","8","1","6","10","4","1") = "9"
    & skf18("9","8","1","6","10","5","1") = "9"
    & skf18("9","8","1","6","10","6","1") = "9"
    & skf18("9","8","1","6","10","7","1") = "9"
    & skf18("9","8","1","6","10","8","1") = "9"
    & skf18("9","8","1","6","10","9","1") = "9"
    & skf18("9","8","1","6","10","10","1") = "9"
    & skf18("9","8","1","7","1","1","1") = "8"
    & skf18("9","8","1","7","1","2","1") = "8"
    & skf18("9","8","1","7","1","3","1") = "8"
    & skf18("9","8","1","7","1","4","1") = "8"
    & skf18("9","8","1","7","1","5","1") = "8"
    & skf18("9","8","1","7","1","6","1") = "8"
    & skf18("9","8","1","7","1","7","1") = "8"
    & skf18("9","8","1","7","1","8","1") = "8"
    & skf18("9","8","1","7","1","9","1") = "8"
    & skf18("9","8","1","7","1","10","1") = "9"
    & skf18("9","8","1","7","2","1","1") = "8"
    & skf18("9","8","1","7","2","2","1") = "8"
    & skf18("9","8","1","7","2","3","1") = "8"
    & skf18("9","8","1","7","2","4","1") = "8"
    & skf18("9","8","1","7","2","5","1") = "8"
    & skf18("9","8","1","7","2","6","1") = "8"
    & skf18("9","8","1","7","2","7","1") = "8"
    & skf18("9","8","1","7","2","8","1") = "8"
    & skf18("9","8","1","7","2","9","1") = "8"
    & skf18("9","8","1","7","2","10","1") = "9"
    & skf18("9","8","1","7","3","1","1") = "8"
    & skf18("9","8","1","7","3","2","1") = "8"
    & skf18("9","8","1","7","3","3","1") = "8"
    & skf18("9","8","1","7","3","4","1") = "8"
    & skf18("9","8","1","7","3","5","1") = "8"
    & skf18("9","8","1","7","3","6","1") = "8"
    & skf18("9","8","1","7","3","7","1") = "8"
    & skf18("9","8","1","7","3","8","1") = "8"
    & skf18("9","8","1","7","3","9","1") = "8"
    & skf18("9","8","1","7","3","10","1") = "9"
    & skf18("9","8","1","7","4","1","1") = "8"
    & skf18("9","8","1","7","4","2","1") = "8"
    & skf18("9","8","1","7","4","3","1") = "8"
    & skf18("9","8","1","7","4","4","1") = "8"
    & skf18("9","8","1","7","4","5","1") = "8"
    & skf18("9","8","1","7","4","6","1") = "8"
    & skf18("9","8","1","7","4","7","1") = "8"
    & skf18("9","8","1","7","4","8","1") = "8"
    & skf18("9","8","1","7","4","9","1") = "8"
    & skf18("9","8","1","7","4","10","1") = "9"
    & skf18("9","8","1","7","5","1","1") = "8"
    & skf18("9","8","1","7","5","2","1") = "8"
    & skf18("9","8","1","7","5","3","1") = "8"
    & skf18("9","8","1","7","5","4","1") = "8"
    & skf18("9","8","1","7","5","5","1") = "8"
    & skf18("9","8","1","7","5","6","1") = "8"
    & skf18("9","8","1","7","5","7","1") = "8"
    & skf18("9","8","1","7","5","8","1") = "8"
    & skf18("9","8","1","7","5","9","1") = "8"
    & skf18("9","8","1","7","5","10","1") = "9"
    & skf18("9","8","1","7","6","1","1") = "8"
    & skf18("9","8","1","7","6","2","1") = "8"
    & skf18("9","8","1","7","6","3","1") = "8"
    & skf18("9","8","1","7","6","4","1") = "8"
    & skf18("9","8","1","7","6","5","1") = "8"
    & skf18("9","8","1","7","6","6","1") = "8"
    & skf18("9","8","1","7","6","7","1") = "8"
    & skf18("9","8","1","7","6","8","1") = "8"
    & skf18("9","8","1","7","6","9","1") = "8"
    & skf18("9","8","1","7","6","10","1") = "9"
    & skf18("9","8","1","7","7","1","1") = "8"
    & skf18("9","8","1","7","7","2","1") = "8"
    & skf18("9","8","1","7","7","3","1") = "8"
    & skf18("9","8","1","7","7","4","1") = "8"
    & skf18("9","8","1","7","7","5","1") = "8"
    & skf18("9","8","1","7","7","6","1") = "8"
    & skf18("9","8","1","7","7","7","1") = "8"
    & skf18("9","8","1","7","7","8","1") = "8"
    & skf18("9","8","1","7","7","9","1") = "8"
    & skf18("9","8","1","7","7","10","1") = "9"
    & skf18("9","8","1","7","8","1","1") = "8"
    & skf18("9","8","1","7","8","2","1") = "8"
    & skf18("9","8","1","7","8","3","1") = "8"
    & skf18("9","8","1","7","8","4","1") = "8"
    & skf18("9","8","1","7","8","5","1") = "8"
    & skf18("9","8","1","7","8","6","1") = "8"
    & skf18("9","8","1","7","8","7","1") = "8"
    & skf18("9","8","1","7","8","8","1") = "8"
    & skf18("9","8","1","7","8","9","1") = "8"
    & skf18("9","8","1","7","8","10","1") = "9"
    & skf18("9","8","1","7","9","1","1") = "8"
    & skf18("9","8","1","7","9","2","1") = "8"
    & skf18("9","8","1","7","9","3","1") = "8"
    & skf18("9","8","1","7","9","4","1") = "8"
    & skf18("9","8","1","7","9","5","1") = "8"
    & skf18("9","8","1","7","9","6","1") = "8"
    & skf18("9","8","1","7","9","7","1") = "8"
    & skf18("9","8","1","7","9","8","1") = "8"
    & skf18("9","8","1","7","9","9","1") = "8"
    & skf18("9","8","1","7","9","10","1") = "9"
    & skf18("9","8","1","7","10","1","1") = "9"
    & skf18("9","8","1","7","10","2","1") = "9"
    & skf18("9","8","1","7","10","3","1") = "9"
    & skf18("9","8","1","7","10","4","1") = "9"
    & skf18("9","8","1","7","10","5","1") = "9"
    & skf18("9","8","1","7","10","6","1") = "9"
    & skf18("9","8","1","7","10","7","1") = "9"
    & skf18("9","8","1","7","10","8","1") = "9"
    & skf18("9","8","1","7","10","9","1") = "9"
    & skf18("9","8","1","7","10","10","1") = "9"
    & skf18("9","8","1","8","1","1","1") = "8"
    & skf18("9","8","1","8","1","2","1") = "8"
    & skf18("9","8","1","8","1","3","1") = "8"
    & skf18("9","8","1","8","1","4","1") = "8"
    & skf18("9","8","1","8","1","5","1") = "8"
    & skf18("9","8","1","8","1","6","1") = "8"
    & skf18("9","8","1","8","1","7","1") = "8"
    & skf18("9","8","1","8","1","8","1") = "8"
    & skf18("9","8","1","8","1","9","1") = "8"
    & skf18("9","8","1","8","1","10","1") = "9"
    & skf18("9","8","1","8","2","1","1") = "8"
    & skf18("9","8","1","8","2","2","1") = "8"
    & skf18("9","8","1","8","2","3","1") = "8"
    & skf18("9","8","1","8","2","4","1") = "8"
    & skf18("9","8","1","8","2","5","1") = "8"
    & skf18("9","8","1","8","2","6","1") = "8"
    & skf18("9","8","1","8","2","7","1") = "8"
    & skf18("9","8","1","8","2","8","1") = "8"
    & skf18("9","8","1","8","2","9","1") = "8"
    & skf18("9","8","1","8","2","10","1") = "9"
    & skf18("9","8","1","8","3","1","1") = "8"
    & skf18("9","8","1","8","3","2","1") = "8"
    & skf18("9","8","1","8","3","3","1") = "8"
    & skf18("9","8","1","8","3","4","1") = "8"
    & skf18("9","8","1","8","3","5","1") = "8"
    & skf18("9","8","1","8","3","6","1") = "8"
    & skf18("9","8","1","8","3","7","1") = "8"
    & skf18("9","8","1","8","3","8","1") = "8"
    & skf18("9","8","1","8","3","9","1") = "8"
    & skf18("9","8","1","8","3","10","1") = "9"
    & skf18("9","8","1","8","4","1","1") = "8"
    & skf18("9","8","1","8","4","2","1") = "8"
    & skf18("9","8","1","8","4","3","1") = "8"
    & skf18("9","8","1","8","4","4","1") = "8"
    & skf18("9","8","1","8","4","5","1") = "8"
    & skf18("9","8","1","8","4","6","1") = "8"
    & skf18("9","8","1","8","4","7","1") = "8"
    & skf18("9","8","1","8","4","8","1") = "8"
    & skf18("9","8","1","8","4","9","1") = "8"
    & skf18("9","8","1","8","4","10","1") = "9"
    & skf18("9","8","1","8","5","1","1") = "8"
    & skf18("9","8","1","8","5","2","1") = "8"
    & skf18("9","8","1","8","5","3","1") = "8"
    & skf18("9","8","1","8","5","4","1") = "8"
    & skf18("9","8","1","8","5","5","1") = "8"
    & skf18("9","8","1","8","5","6","1") = "8"
    & skf18("9","8","1","8","5","7","1") = "8"
    & skf18("9","8","1","8","5","8","1") = "8"
    & skf18("9","8","1","8","5","9","1") = "8"
    & skf18("9","8","1","8","5","10","1") = "9"
    & skf18("9","8","1","8","6","1","1") = "8"
    & skf18("9","8","1","8","6","2","1") = "8"
    & skf18("9","8","1","8","6","3","1") = "8"
    & skf18("9","8","1","8","6","4","1") = "8"
    & skf18("9","8","1","8","6","5","1") = "8"
    & skf18("9","8","1","8","6","6","1") = "8"
    & skf18("9","8","1","8","6","7","1") = "8"
    & skf18("9","8","1","8","6","8","1") = "8"
    & skf18("9","8","1","8","6","9","1") = "8"
    & skf18("9","8","1","8","6","10","1") = "9"
    & skf18("9","8","1","8","7","1","1") = "8"
    & skf18("9","8","1","8","7","2","1") = "8"
    & skf18("9","8","1","8","7","3","1") = "8"
    & skf18("9","8","1","8","7","4","1") = "8"
    & skf18("9","8","1","8","7","5","1") = "8"
    & skf18("9","8","1","8","7","6","1") = "8"
    & skf18("9","8","1","8","7","7","1") = "8"
    & skf18("9","8","1","8","7","8","1") = "8"
    & skf18("9","8","1","8","7","9","1") = "8"
    & skf18("9","8","1","8","7","10","1") = "9"
    & skf18("9","8","1","8","8","1","1") = "8"
    & skf18("9","8","1","8","8","2","1") = "8"
    & skf18("9","8","1","8","8","3","1") = "8"
    & skf18("9","8","1","8","8","4","1") = "8"
    & skf18("9","8","1","8","8","5","1") = "8"
    & skf18("9","8","1","8","8","6","1") = "8"
    & skf18("9","8","1","8","8","7","1") = "8"
    & skf18("9","8","1","8","8","8","1") = "8"
    & skf18("9","8","1","8","8","9","1") = "8"
    & skf18("9","8","1","8","8","10","1") = "9"
    & skf18("9","8","1","8","9","1","1") = "8"
    & skf18("9","8","1","8","9","2","1") = "8"
    & skf18("9","8","1","8","9","3","1") = "8"
    & skf18("9","8","1","8","9","4","1") = "8"
    & skf18("9","8","1","8","9","5","1") = "8"
    & skf18("9","8","1","8","9","6","1") = "8"
    & skf18("9","8","1","8","9","7","1") = "8"
    & skf18("9","8","1","8","9","8","1") = "8"
    & skf18("9","8","1","8","9","9","1") = "8"
    & skf18("9","8","1","8","9","10","1") = "9"
    & skf18("9","8","1","8","10","1","1") = "9"
    & skf18("9","8","1","8","10","2","1") = "9"
    & skf18("9","8","1","8","10","3","1") = "9"
    & skf18("9","8","1","8","10","4","1") = "9"
    & skf18("9","8","1","8","10","5","1") = "9"
    & skf18("9","8","1","8","10","6","1") = "9"
    & skf18("9","8","1","8","10","7","1") = "9"
    & skf18("9","8","1","8","10","8","1") = "9"
    & skf18("9","8","1","8","10","9","1") = "9"
    & skf18("9","8","1","8","10","10","1") = "9"
    & skf18("9","8","1","9","1","1","1") = "8"
    & skf18("9","8","1","9","1","2","1") = "8"
    & skf18("9","8","1","9","1","3","1") = "8"
    & skf18("9","8","1","9","1","4","1") = "8"
    & skf18("9","8","1","9","1","5","1") = "8"
    & skf18("9","8","1","9","1","6","1") = "8"
    & skf18("9","8","1","9","1","7","1") = "8"
    & skf18("9","8","1","9","1","8","1") = "8"
    & skf18("9","8","1","9","1","9","1") = "8"
    & skf18("9","8","1","9","1","10","1") = "9"
    & skf18("9","8","1","9","2","1","1") = "8"
    & skf18("9","8","1","9","2","2","1") = "8"
    & skf18("9","8","1","9","2","3","1") = "8"
    & skf18("9","8","1","9","2","4","1") = "8"
    & skf18("9","8","1","9","2","5","1") = "8"
    & skf18("9","8","1","9","2","6","1") = "8"
    & skf18("9","8","1","9","2","7","1") = "8"
    & skf18("9","8","1","9","2","8","1") = "8"
    & skf18("9","8","1","9","2","9","1") = "8"
    & skf18("9","8","1","9","2","10","1") = "9"
    & skf18("9","8","1","9","3","1","1") = "8"
    & skf18("9","8","1","9","3","2","1") = "8"
    & skf18("9","8","1","9","3","3","1") = "8"
    & skf18("9","8","1","9","3","4","1") = "8"
    & skf18("9","8","1","9","3","5","1") = "8"
    & skf18("9","8","1","9","3","6","1") = "8"
    & skf18("9","8","1","9","3","7","1") = "8"
    & skf18("9","8","1","9","3","8","1") = "8"
    & skf18("9","8","1","9","3","9","1") = "8"
    & skf18("9","8","1","9","3","10","1") = "9"
    & skf18("9","8","1","9","4","1","1") = "8"
    & skf18("9","8","1","9","4","2","1") = "8"
    & skf18("9","8","1","9","4","3","1") = "8"
    & skf18("9","8","1","9","4","4","1") = "8"
    & skf18("9","8","1","9","4","5","1") = "8"
    & skf18("9","8","1","9","4","6","1") = "8"
    & skf18("9","8","1","9","4","7","1") = "8"
    & skf18("9","8","1","9","4","8","1") = "8"
    & skf18("9","8","1","9","4","9","1") = "8"
    & skf18("9","8","1","9","4","10","1") = "9"
    & skf18("9","8","1","9","5","1","1") = "8"
    & skf18("9","8","1","9","5","2","1") = "8"
    & skf18("9","8","1","9","5","3","1") = "8"
    & skf18("9","8","1","9","5","4","1") = "8"
    & skf18("9","8","1","9","5","5","1") = "8"
    & skf18("9","8","1","9","5","6","1") = "8"
    & skf18("9","8","1","9","5","7","1") = "8"
    & skf18("9","8","1","9","5","8","1") = "8"
    & skf18("9","8","1","9","5","9","1") = "8"
    & skf18("9","8","1","9","5","10","1") = "9"
    & skf18("9","8","1","9","6","1","1") = "8"
    & skf18("9","8","1","9","6","2","1") = "8"
    & skf18("9","8","1","9","6","3","1") = "8"
    & skf18("9","8","1","9","6","4","1") = "8"
    & skf18("9","8","1","9","6","5","1") = "8"
    & skf18("9","8","1","9","6","6","1") = "8"
    & skf18("9","8","1","9","6","7","1") = "8"
    & skf18("9","8","1","9","6","8","1") = "8"
    & skf18("9","8","1","9","6","9","1") = "8"
    & skf18("9","8","1","9","6","10","1") = "9"
    & skf18("9","8","1","9","7","1","1") = "8"
    & skf18("9","8","1","9","7","2","1") = "8"
    & skf18("9","8","1","9","7","3","1") = "8"
    & skf18("9","8","1","9","7","4","1") = "8"
    & skf18("9","8","1","9","7","5","1") = "8"
    & skf18("9","8","1","9","7","6","1") = "8"
    & skf18("9","8","1","9","7","7","1") = "8"
    & skf18("9","8","1","9","7","8","1") = "8"
    & skf18("9","8","1","9","7","9","1") = "8"
    & skf18("9","8","1","9","7","10","1") = "9"
    & skf18("9","8","1","9","8","1","1") = "8"
    & skf18("9","8","1","9","8","2","1") = "8"
    & skf18("9","8","1","9","8","3","1") = "8"
    & skf18("9","8","1","9","8","4","1") = "8"
    & skf18("9","8","1","9","8","5","1") = "8"
    & skf18("9","8","1","9","8","6","1") = "8"
    & skf18("9","8","1","9","8","7","1") = "8"
    & skf18("9","8","1","9","8","8","1") = "8"
    & skf18("9","8","1","9","8","9","1") = "8"
    & skf18("9","8","1","9","8","10","1") = "9"
    & skf18("9","8","1","9","9","1","1") = "8"
    & skf18("9","8","1","9","9","2","1") = "8"
    & skf18("9","8","1","9","9","3","1") = "8"
    & skf18("9","8","1","9","9","4","1") = "8"
    & skf18("9","8","1","9","9","5","1") = "8"
    & skf18("9","8","1","9","9","6","1") = "8"
    & skf18("9","8","1","9","9","7","1") = "8"
    & skf18("9","8","1","9","9","8","1") = "8"
    & skf18("9","8","1","9","9","9","1") = "8"
    & skf18("9","8","1","9","9","10","1") = "9"
    & skf18("9","8","1","9","10","1","1") = "9"
    & skf18("9","8","1","9","10","2","1") = "9"
    & skf18("9","8","1","9","10","3","1") = "9"
    & skf18("9","8","1","9","10","4","1") = "9"
    & skf18("9","8","1","9","10","5","1") = "9"
    & skf18("9","8","1","9","10","6","1") = "9"
    & skf18("9","8","1","9","10","7","1") = "9"
    & skf18("9","8","1","9","10","8","1") = "9"
    & skf18("9","8","1","9","10","9","1") = "9"
    & skf18("9","8","1","9","10","10","1") = "9"
    & skf18("9","8","1","10","1","1","1") = "9"
    & skf18("9","8","1","10","1","2","1") = "9"
    & skf18("9","8","1","10","1","3","1") = "9"
    & skf18("9","8","1","10","1","4","1") = "9"
    & skf18("9","8","1","10","1","5","1") = "9"
    & skf18("9","8","1","10","1","6","1") = "9"
    & skf18("9","8","1","10","1","7","1") = "9"
    & skf18("9","8","1","10","1","8","1") = "9"
    & skf18("9","8","1","10","1","9","1") = "9"
    & skf18("9","8","1","10","1","10","1") = "9"
    & skf18("9","8","1","10","2","1","1") = "9"
    & skf18("9","8","1","10","2","2","1") = "9"
    & skf18("9","8","1","10","2","3","1") = "9"
    & skf18("9","8","1","10","2","4","1") = "9"
    & skf18("9","8","1","10","2","5","1") = "9"
    & skf18("9","8","1","10","2","6","1") = "9"
    & skf18("9","8","1","10","2","7","1") = "9"
    & skf18("9","8","1","10","2","8","1") = "9"
    & skf18("9","8","1","10","2","9","1") = "9"
    & skf18("9","8","1","10","2","10","1") = "9"
    & skf18("9","8","1","10","3","1","1") = "9"
    & skf18("9","8","1","10","3","2","1") = "9"
    & skf18("9","8","1","10","3","3","1") = "9"
    & skf18("9","8","1","10","3","4","1") = "9"
    & skf18("9","8","1","10","3","5","1") = "9"
    & skf18("9","8","1","10","3","6","1") = "9"
    & skf18("9","8","1","10","3","7","1") = "9"
    & skf18("9","8","1","10","3","8","1") = "9"
    & skf18("9","8","1","10","3","9","1") = "9"
    & skf18("9","8","1","10","3","10","1") = "9"
    & skf18("9","8","1","10","4","1","1") = "9"
    & skf18("9","8","1","10","4","2","1") = "9"
    & skf18("9","8","1","10","4","3","1") = "9"
    & skf18("9","8","1","10","4","4","1") = "9"
    & skf18("9","8","1","10","4","5","1") = "9"
    & skf18("9","8","1","10","4","6","1") = "9"
    & skf18("9","8","1","10","4","7","1") = "9"
    & skf18("9","8","1","10","4","8","1") = "9"
    & skf18("9","8","1","10","4","9","1") = "9"
    & skf18("9","8","1","10","4","10","1") = "9"
    & skf18("9","8","1","10","5","1","1") = "9"
    & skf18("9","8","1","10","5","2","1") = "9"
    & skf18("9","8","1","10","5","3","1") = "9"
    & skf18("9","8","1","10","5","4","1") = "9"
    & skf18("9","8","1","10","5","5","1") = "9"
    & skf18("9","8","1","10","5","6","1") = "9"
    & skf18("9","8","1","10","5","7","1") = "9"
    & skf18("9","8","1","10","5","8","1") = "9"
    & skf18("9","8","1","10","5","9","1") = "9"
    & skf18("9","8","1","10","5","10","1") = "9"
    & skf18("9","8","1","10","6","1","1") = "9"
    & skf18("9","8","1","10","6","2","1") = "9"
    & skf18("9","8","1","10","6","3","1") = "9"
    & skf18("9","8","1","10","6","4","1") = "9"
    & skf18("9","8","1","10","6","5","1") = "9"
    & skf18("9","8","1","10","6","6","1") = "9"
    & skf18("9","8","1","10","6","7","1") = "9"
    & skf18("9","8","1","10","6","8","1") = "9"
    & skf18("9","8","1","10","6","9","1") = "9"
    & skf18("9","8","1","10","6","10","1") = "9"
    & skf18("9","8","1","10","7","1","1") = "9"
    & skf18("9","8","1","10","7","2","1") = "9"
    & skf18("9","8","1","10","7","3","1") = "9"
    & skf18("9","8","1","10","7","4","1") = "9"
    & skf18("9","8","1","10","7","5","1") = "9"
    & skf18("9","8","1","10","7","6","1") = "9"
    & skf18("9","8","1","10","7","7","1") = "9"
    & skf18("9","8","1","10","7","8","1") = "9"
    & skf18("9","8","1","10","7","9","1") = "9"
    & skf18("9","8","1","10","7","10","1") = "9"
    & skf18("9","8","1","10","8","1","1") = "9"
    & skf18("9","8","1","10","8","2","1") = "9"
    & skf18("9","8","1","10","8","3","1") = "9"
    & skf18("9","8","1","10","8","4","1") = "9"
    & skf18("9","8","1","10","8","5","1") = "9"
    & skf18("9","8","1","10","8","6","1") = "9"
    & skf18("9","8","1","10","8","7","1") = "9"
    & skf18("9","8","1","10","8","8","1") = "9"
    & skf18("9","8","1","10","8","9","1") = "9"
    & skf18("9","8","1","10","8","10","1") = "9"
    & skf18("9","8","1","10","9","1","1") = "9"
    & skf18("9","8","1","10","9","2","1") = "9"
    & skf18("9","8","1","10","9","3","1") = "9"
    & skf18("9","8","1","10","9","4","1") = "9"
    & skf18("9","8","1","10","9","5","1") = "9"
    & skf18("9","8","1","10","9","6","1") = "9"
    & skf18("9","8","1","10","9","7","1") = "9"
    & skf18("9","8","1","10","9","8","1") = "9"
    & skf18("9","8","1","10","9","9","1") = "9"
    & skf18("9","8","1","10","9","10","1") = "9"
    & skf18("9","8","1","10","10","1","1") = "9"
    & skf18("9","8","1","10","10","2","1") = "9"
    & skf18("9","8","1","10","10","3","1") = "9"
    & skf18("9","8","1","10","10","4","1") = "9"
    & skf18("9","8","1","10","10","5","1") = "9"
    & skf18("9","8","1","10","10","6","1") = "9"
    & skf18("9","8","1","10","10","7","1") = "9"
    & skf18("9","8","1","10","10","8","1") = "9"
    & skf18("9","8","1","10","10","9","1") = "9"
    & skf18("9","8","1","10","10","10","1") = "9"
    & skf18("9","8","2","1","1","1","1") = "8"
    & skf18("9","8","2","1","1","2","1") = "8"
    & skf18("9","8","2","1","1","3","1") = "8"
    & skf18("9","8","2","1","1","4","1") = "8"
    & skf18("9","8","2","1","1","5","1") = "8"
    & skf18("9","8","2","1","1","6","1") = "8"
    & skf18("9","8","2","1","1","7","1") = "8"
    & skf18("9","8","2","1","1","8","1") = "8"
    & skf18("9","8","2","1","1","9","1") = "8"
    & skf18("9","8","2","1","1","10","1") = "9"
    & skf18("9","8","2","1","2","1","1") = "8"
    & skf18("9","8","2","1","2","2","1") = "8"
    & skf18("9","8","2","1","2","3","1") = "8"
    & skf18("9","8","2","1","2","4","1") = "8"
    & skf18("9","8","2","1","2","5","1") = "8"
    & skf18("9","8","2","1","2","6","1") = "8"
    & skf18("9","8","2","1","2","7","1") = "8"
    & skf18("9","8","2","1","2","8","1") = "8"
    & skf18("9","8","2","1","2","9","1") = "8"
    & skf18("9","8","2","1","2","10","1") = "9"
    & skf18("9","8","2","1","3","1","1") = "8"
    & skf18("9","8","2","1","3","2","1") = "8"
    & skf18("9","8","2","1","3","3","1") = "8"
    & skf18("9","8","2","1","3","4","1") = "8"
    & skf18("9","8","2","1","3","5","1") = "8"
    & skf18("9","8","2","1","3","6","1") = "8"
    & skf18("9","8","2","1","3","7","1") = "8"
    & skf18("9","8","2","1","3","8","1") = "8"
    & skf18("9","8","2","1","3","9","1") = "8"
    & skf18("9","8","2","1","3","10","1") = "9"
    & skf18("9","8","2","1","4","1","1") = "8"
    & skf18("9","8","2","1","4","2","1") = "8"
    & skf18("9","8","2","1","4","3","1") = "8"
    & skf18("9","8","2","1","4","4","1") = "8"
    & skf18("9","8","2","1","4","5","1") = "8"
    & skf18("9","8","2","1","4","6","1") = "8"
    & skf18("9","8","2","1","4","7","1") = "8"
    & skf18("9","8","2","1","4","8","1") = "8"
    & skf18("9","8","2","1","4","9","1") = "8"
    & skf18("9","8","2","1","4","10","1") = "9"
    & skf18("9","8","2","1","5","1","1") = "8"
    & skf18("9","8","2","1","5","2","1") = "8"
    & skf18("9","8","2","1","5","3","1") = "8"
    & skf18("9","8","2","1","5","4","1") = "8"
    & skf18("9","8","2","1","5","5","1") = "8"
    & skf18("9","8","2","1","5","6","1") = "8"
    & skf18("9","8","2","1","5","7","1") = "8"
    & skf18("9","8","2","1","5","8","1") = "8"
    & skf18("9","8","2","1","5","9","1") = "8"
    & skf18("9","8","2","1","5","10","1") = "9"
    & skf18("9","8","2","1","6","1","1") = "8"
    & skf18("9","8","2","1","6","2","1") = "8"
    & skf18("9","8","2","1","6","3","1") = "8"
    & skf18("9","8","2","1","6","4","1") = "8"
    & skf18("9","8","2","1","6","5","1") = "8"
    & skf18("9","8","2","1","6","6","1") = "8"
    & skf18("9","8","2","1","6","7","1") = "8"
    & skf18("9","8","2","1","6","8","1") = "8"
    & skf18("9","8","2","1","6","9","1") = "8"
    & skf18("9","8","2","1","6","10","1") = "9"
    & skf18("9","8","2","1","7","1","1") = "8"
    & skf18("9","8","2","1","7","2","1") = "8"
    & skf18("9","8","2","1","7","3","1") = "8"
    & skf18("9","8","2","1","7","4","1") = "8"
    & skf18("9","8","2","1","7","5","1") = "8"
    & skf18("9","8","2","1","7","6","1") = "8"
    & skf18("9","8","2","1","7","7","1") = "8"
    & skf18("9","8","2","1","7","8","1") = "8"
    & skf18("9","8","2","1","7","9","1") = "8"
    & skf18("9","8","2","1","7","10","1") = "9"
    & skf18("9","8","2","1","8","1","1") = "8"
    & skf18("9","8","2","1","8","2","1") = "8"
    & skf18("9","8","2","1","8","3","1") = "8"
    & skf18("9","8","2","1","8","4","1") = "8"
    & skf18("9","8","2","1","8","5","1") = "8"
    & skf18("9","8","2","1","8","6","1") = "8"
    & skf18("9","8","2","1","8","7","1") = "8"
    & skf18("9","8","2","1","8","8","1") = "8"
    & skf18("9","8","2","1","8","9","1") = "8"
    & skf18("9","8","2","1","8","10","1") = "9"
    & skf18("9","8","2","1","9","1","1") = "8"
    & skf18("9","8","2","1","9","2","1") = "8"
    & skf18("9","8","2","1","9","3","1") = "8"
    & skf18("9","8","2","1","9","4","1") = "8"
    & skf18("9","8","2","1","9","5","1") = "8"
    & skf18("9","8","2","1","9","6","1") = "8"
    & skf18("9","8","2","1","9","7","1") = "8"
    & skf18("9","8","2","1","9","8","1") = "8"
    & skf18("9","8","2","1","9","9","1") = "8"
    & skf18("9","8","2","1","9","10","1") = "9"
    & skf18("9","8","2","1","10","1","1") = "9"
    & skf18("9","8","2","1","10","2","1") = "9"
    & skf18("9","8","2","1","10","3","1") = "9"
    & skf18("9","8","2","1","10","4","1") = "9"
    & skf18("9","8","2","1","10","5","1") = "9"
    & skf18("9","8","2","1","10","6","1") = "9"
    & skf18("9","8","2","1","10","7","1") = "9"
    & skf18("9","8","2","1","10","8","1") = "9"
    & skf18("9","8","2","1","10","9","1") = "9"
    & skf18("9","8","2","1","10","10","1") = "9"
    & skf18("9","8","2","2","1","1","1") = "8"
    & skf18("9","8","2","2","1","2","1") = "8"
    & skf18("9","8","2","2","1","3","1") = "8"
    & skf18("9","8","2","2","1","4","1") = "8"
    & skf18("9","8","2","2","1","5","1") = "8"
    & skf18("9","8","2","2","1","6","1") = "8"
    & skf18("9","8","2","2","1","7","1") = "8"
    & skf18("9","8","2","2","1","8","1") = "8"
    & skf18("9","8","2","2","1","9","1") = "8"
    & skf18("9","8","2","2","1","10","1") = "9"
    & skf18("9","8","2","2","2","1","1") = "8"
    & skf18("9","8","2","2","2","2","1") = "8"
    & skf18("9","8","2","2","2","3","1") = "8"
    & skf18("9","8","2","2","2","4","1") = "8"
    & skf18("9","8","2","2","2","5","1") = "8"
    & skf18("9","8","2","2","2","6","1") = "8"
    & skf18("9","8","2","2","2","7","1") = "8"
    & skf18("9","8","2","2","2","8","1") = "8"
    & skf18("9","8","2","2","2","9","1") = "8"
    & skf18("9","8","2","2","2","10","1") = "9"
    & skf18("9","8","2","2","3","1","1") = "8"
    & skf18("9","8","2","2","3","2","1") = "8"
    & skf18("9","8","2","2","3","3","1") = "8"
    & skf18("9","8","2","2","3","4","1") = "8"
    & skf18("9","8","2","2","3","5","1") = "8"
    & skf18("9","8","2","2","3","6","1") = "8"
    & skf18("9","8","2","2","3","7","1") = "8"
    & skf18("9","8","2","2","3","8","1") = "8"
    & skf18("9","8","2","2","3","9","1") = "8"
    & skf18("9","8","2","2","3","10","1") = "9"
    & skf18("9","8","2","2","4","1","1") = "8"
    & skf18("9","8","2","2","4","2","1") = "8"
    & skf18("9","8","2","2","4","3","1") = "8"
    & skf18("9","8","2","2","4","4","1") = "8"
    & skf18("9","8","2","2","4","5","1") = "8"
    & skf18("9","8","2","2","4","6","1") = "8"
    & skf18("9","8","2","2","4","7","1") = "8"
    & skf18("9","8","2","2","4","8","1") = "8"
    & skf18("9","8","2","2","4","9","1") = "8"
    & skf18("9","8","2","2","4","10","1") = "9"
    & skf18("9","8","2","2","5","1","1") = "8"
    & skf18("9","8","2","2","5","2","1") = "8"
    & skf18("9","8","2","2","5","3","1") = "8"
    & skf18("9","8","2","2","5","4","1") = "8"
    & skf18("9","8","2","2","5","5","1") = "8"
    & skf18("9","8","2","2","5","6","1") = "8"
    & skf18("9","8","2","2","5","7","1") = "8"
    & skf18("9","8","2","2","5","8","1") = "8"
    & skf18("9","8","2","2","5","9","1") = "8"
    & skf18("9","8","2","2","5","10","1") = "9"
    & skf18("9","8","2","2","6","1","1") = "8"
    & skf18("9","8","2","2","6","2","1") = "8"
    & skf18("9","8","2","2","6","3","1") = "8"
    & skf18("9","8","2","2","6","4","1") = "8"
    & skf18("9","8","2","2","6","5","1") = "8"
    & skf18("9","8","2","2","6","6","1") = "8"
    & skf18("9","8","2","2","6","7","1") = "8"
    & skf18("9","8","2","2","6","8","1") = "8"
    & skf18("9","8","2","2","6","9","1") = "8"
    & skf18("9","8","2","2","6","10","1") = "9"
    & skf18("9","8","2","2","7","1","1") = "8"
    & skf18("9","8","2","2","7","2","1") = "8"
    & skf18("9","8","2","2","7","3","1") = "8"
    & skf18("9","8","2","2","7","4","1") = "8"
    & skf18("9","8","2","2","7","5","1") = "8"
    & skf18("9","8","2","2","7","6","1") = "8"
    & skf18("9","8","2","2","7","7","1") = "8"
    & skf18("9","8","2","2","7","8","1") = "8"
    & skf18("9","8","2","2","7","9","1") = "8"
    & skf18("9","8","2","2","7","10","1") = "9"
    & skf18("9","8","2","2","8","1","1") = "8"
    & skf18("9","8","2","2","8","2","1") = "8"
    & skf18("9","8","2","2","8","3","1") = "8"
    & skf18("9","8","2","2","8","4","1") = "8"
    & skf18("9","8","2","2","8","5","1") = "8"
    & skf18("9","8","2","2","8","6","1") = "8"
    & skf18("9","8","2","2","8","7","1") = "8"
    & skf18("9","8","2","2","8","8","1") = "8"
    & skf18("9","8","2","2","8","9","1") = "8"
    & skf18("9","8","2","2","8","10","1") = "9"
    & skf18("9","8","2","2","9","1","1") = "8"
    & skf18("9","8","2","2","9","2","1") = "8"
    & skf18("9","8","2","2","9","3","1") = "8"
    & skf18("9","8","2","2","9","4","1") = "8"
    & skf18("9","8","2","2","9","5","1") = "8"
    & skf18("9","8","2","2","9","6","1") = "8"
    & skf18("9","8","2","2","9","7","1") = "8"
    & skf18("9","8","2","2","9","8","1") = "8"
    & skf18("9","8","2","2","9","9","1") = "8"
    & skf18("9","8","2","2","9","10","1") = "9"
    & skf18("9","8","2","2","10","1","1") = "9"
    & skf18("9","8","2","2","10","2","1") = "9"
    & skf18("9","8","2","2","10","3","1") = "9"
    & skf18("9","8","2","2","10","4","1") = "9"
    & skf18("9","8","2","2","10","5","1") = "9"
    & skf18("9","8","2","2","10","6","1") = "9"
    & skf18("9","8","2","2","10","7","1") = "9"
    & skf18("9","8","2","2","10","8","1") = "9"
    & skf18("9","8","2","2","10","9","1") = "9"
    & skf18("9","8","2","2","10","10","1") = "9"
    & skf18("9","8","2","3","1","1","1") = "8"
    & skf18("9","8","2","3","1","2","1") = "8"
    & skf18("9","8","2","3","1","3","1") = "8"
    & skf18("9","8","2","3","1","4","1") = "8"
    & skf18("9","8","2","3","1","5","1") = "8"
    & skf18("9","8","2","3","1","6","1") = "8"
    & skf18("9","8","2","3","1","7","1") = "8"
    & skf18("9","8","2","3","1","8","1") = "8"
    & skf18("9","8","2","3","1","9","1") = "8"
    & skf18("9","8","2","3","1","10","1") = "9"
    & skf18("9","8","2","3","2","1","1") = "8"
    & skf18("9","8","2","3","2","2","1") = "8"
    & skf18("9","8","2","3","2","3","1") = "8"
    & skf18("9","8","2","3","2","4","1") = "8"
    & skf18("9","8","2","3","2","5","1") = "8"
    & skf18("9","8","2","3","2","6","1") = "8"
    & skf18("9","8","2","3","2","7","1") = "8"
    & skf18("9","8","2","3","2","8","1") = "8"
    & skf18("9","8","2","3","2","9","1") = "8"
    & skf18("9","8","2","3","2","10","1") = "9"
    & skf18("9","8","2","3","3","1","1") = "8"
    & skf18("9","8","2","3","3","2","1") = "8"
    & skf18("9","8","2","3","3","3","1") = "8"
    & skf18("9","8","2","3","3","4","1") = "8"
    & skf18("9","8","2","3","3","5","1") = "8"
    & skf18("9","8","2","3","3","6","1") = "8"
    & skf18("9","8","2","3","3","7","1") = "8"
    & skf18("9","8","2","3","3","8","1") = "8"
    & skf18("9","8","2","3","3","9","1") = "8"
    & skf18("9","8","2","3","3","10","1") = "9"
    & skf18("9","8","2","3","4","1","1") = "8"
    & skf18("9","8","2","3","4","2","1") = "8"
    & skf18("9","8","2","3","4","3","1") = "8"
    & skf18("9","8","2","3","4","4","1") = "8"
    & skf18("9","8","2","3","4","5","1") = "8"
    & skf18("9","8","2","3","4","6","1") = "8"
    & skf18("9","8","2","3","4","7","1") = "8"
    & skf18("9","8","2","3","4","8","1") = "8"
    & skf18("9","8","2","3","4","9","1") = "8"
    & skf18("9","8","2","3","4","10","1") = "9"
    & skf18("9","8","2","3","5","1","1") = "8"
    & skf18("9","8","2","3","5","2","1") = "8"
    & skf18("9","8","2","3","5","3","1") = "8"
    & skf18("9","8","2","3","5","4","1") = "8"
    & skf18("9","8","2","3","5","5","1") = "8"
    & skf18("9","8","2","3","5","6","1") = "8"
    & skf18("9","8","2","3","5","7","1") = "8"
    & skf18("9","8","2","3","5","8","1") = "8"
    & skf18("9","8","2","3","5","9","1") = "8"
    & skf18("9","8","2","3","5","10","1") = "9"
    & skf18("9","8","2","3","6","1","1") = "8"
    & skf18("9","8","2","3","6","2","1") = "8"
    & skf18("9","8","2","3","6","3","1") = "8"
    & skf18("9","8","2","3","6","4","1") = "8"
    & skf18("9","8","2","3","6","5","1") = "8"
    & skf18("9","8","2","3","6","6","1") = "8"
    & skf18("9","8","2","3","6","7","1") = "8"
    & skf18("9","8","2","3","6","8","1") = "8"
    & skf18("9","8","2","3","6","9","1") = "8"
    & skf18("9","8","2","3","6","10","1") = "9"
    & skf18("9","8","2","3","7","1","1") = "8"
    & skf18("9","8","2","3","7","2","1") = "8"
    & skf18("9","8","2","3","7","3","1") = "8"
    & skf18("9","8","2","3","7","4","1") = "8"
    & skf18("9","8","2","3","7","5","1") = "8"
    & skf18("9","8","2","3","7","6","1") = "8"
    & skf18("9","8","2","3","7","7","1") = "8"
    & skf18("9","8","2","3","7","8","1") = "8"
    & skf18("9","8","2","3","7","9","1") = "8"
    & skf18("9","8","2","3","7","10","1") = "9"
    & skf18("9","8","2","3","8","1","1") = "8"
    & skf18("9","8","2","3","8","2","1") = "8"
    & skf18("9","8","2","3","8","3","1") = "8"
    & skf18("9","8","2","3","8","4","1") = "8"
    & skf18("9","8","2","3","8","5","1") = "8"
    & skf18("9","8","2","3","8","6","1") = "8"
    & skf18("9","8","2","3","8","7","1") = "8"
    & skf18("9","8","2","3","8","8","1") = "8"
    & skf18("9","8","2","3","8","9","1") = "8"
    & skf18("9","8","2","3","8","10","1") = "9"
    & skf18("9","8","2","3","9","1","1") = "8"
    & skf18("9","8","2","3","9","2","1") = "8"
    & skf18("9","8","2","3","9","3","1") = "8"
    & skf18("9","8","2","3","9","4","1") = "8"
    & skf18("9","8","2","3","9","5","1") = "8"
    & skf18("9","8","2","3","9","6","1") = "8"
    & skf18("9","8","2","3","9","7","1") = "8"
    & skf18("9","8","2","3","9","8","1") = "8"
    & skf18("9","8","2","3","9","9","1") = "8"
    & skf18("9","8","2","3","9","10","1") = "9"
    & skf18("9","8","2","3","10","1","1") = "9"
    & skf18("9","8","2","3","10","2","1") = "9"
    & skf18("9","8","2","3","10","3","1") = "9"
    & skf18("9","8","2","3","10","4","1") = "9"
    & skf18("9","8","2","3","10","5","1") = "9"
    & skf18("9","8","2","3","10","6","1") = "9"
    & skf18("9","8","2","3","10","7","1") = "9"
    & skf18("9","8","2","3","10","8","1") = "9"
    & skf18("9","8","2","3","10","9","1") = "9"
    & skf18("9","8","2","3","10","10","1") = "9"
    & skf18("9","8","2","4","1","1","1") = "8"
    & skf18("9","8","2","4","1","2","1") = "8"
    & skf18("9","8","2","4","1","3","1") = "8"
    & skf18("9","8","2","4","1","4","1") = "8"
    & skf18("9","8","2","4","1","5","1") = "8"
    & skf18("9","8","2","4","1","6","1") = "8"
    & skf18("9","8","2","4","1","7","1") = "8"
    & skf18("9","8","2","4","1","8","1") = "8"
    & skf18("9","8","2","4","1","9","1") = "8"
    & skf18("9","8","2","4","1","10","1") = "9"
    & skf18("9","8","2","4","2","1","1") = "8"
    & skf18("9","8","2","4","2","2","1") = "8"
    & skf18("9","8","2","4","2","3","1") = "8"
    & skf18("9","8","2","4","2","4","1") = "8"
    & skf18("9","8","2","4","2","5","1") = "8"
    & skf18("9","8","2","4","2","6","1") = "8"
    & skf18("9","8","2","4","2","7","1") = "8"
    & skf18("9","8","2","4","2","8","1") = "8"
    & skf18("9","8","2","4","2","9","1") = "8"
    & skf18("9","8","2","4","2","10","1") = "9"
    & skf18("9","8","2","4","3","1","1") = "8"
    & skf18("9","8","2","4","3","2","1") = "8"
    & skf18("9","8","2","4","3","3","1") = "8"
    & skf18("9","8","2","4","3","4","1") = "8"
    & skf18("9","8","2","4","3","5","1") = "8"
    & skf18("9","8","2","4","3","6","1") = "8"
    & skf18("9","8","2","4","3","7","1") = "8"
    & skf18("9","8","2","4","3","8","1") = "8"
    & skf18("9","8","2","4","3","9","1") = "8"
    & skf18("9","8","2","4","3","10","1") = "9"
    & skf18("9","8","2","4","4","1","1") = "8"
    & skf18("9","8","2","4","4","2","1") = "8"
    & skf18("9","8","2","4","4","3","1") = "8"
    & skf18("9","8","2","4","4","4","1") = "8"
    & skf18("9","8","2","4","4","5","1") = "8"
    & skf18("9","8","2","4","4","6","1") = "8"
    & skf18("9","8","2","4","4","7","1") = "8"
    & skf18("9","8","2","4","4","8","1") = "8"
    & skf18("9","8","2","4","4","9","1") = "8"
    & skf18("9","8","2","4","4","10","1") = "9"
    & skf18("9","8","2","4","5","1","1") = "8"
    & skf18("9","8","2","4","5","2","1") = "8"
    & skf18("9","8","2","4","5","3","1") = "8"
    & skf18("9","8","2","4","5","4","1") = "8"
    & skf18("9","8","2","4","5","5","1") = "8"
    & skf18("9","8","2","4","5","6","1") = "8"
    & skf18("9","8","2","4","5","7","1") = "8"
    & skf18("9","8","2","4","5","8","1") = "8"
    & skf18("9","8","2","4","5","9","1") = "8"
    & skf18("9","8","2","4","5","10","1") = "9"
    & skf18("9","8","2","4","6","1","1") = "8"
    & skf18("9","8","2","4","6","2","1") = "8"
    & skf18("9","8","2","4","6","3","1") = "8"
    & skf18("9","8","2","4","6","4","1") = "8"
    & skf18("9","8","2","4","6","5","1") = "8"
    & skf18("9","8","2","4","6","6","1") = "8"
    & skf18("9","8","2","4","6","7","1") = "8"
    & skf18("9","8","2","4","6","8","1") = "8"
    & skf18("9","8","2","4","6","9","1") = "8"
    & skf18("9","8","2","4","6","10","1") = "9"
    & skf18("9","8","2","4","7","1","1") = "8"
    & skf18("9","8","2","4","7","2","1") = "8"
    & skf18("9","8","2","4","7","3","1") = "8"
    & skf18("9","8","2","4","7","4","1") = "8"
    & skf18("9","8","2","4","7","5","1") = "8"
    & skf18("9","8","2","4","7","6","1") = "8"
    & skf18("9","8","2","4","7","7","1") = "8"
    & skf18("9","8","2","4","7","8","1") = "8"
    & skf18("9","8","2","4","7","9","1") = "8"
    & skf18("9","8","2","4","7","10","1") = "9"
    & skf18("9","8","2","4","8","1","1") = "8"
    & skf18("9","8","2","4","8","2","1") = "8"
    & skf18("9","8","2","4","8","3","1") = "8"
    & skf18("9","8","2","4","8","4","1") = "8"
    & skf18("9","8","2","4","8","5","1") = "8"
    & skf18("9","8","2","4","8","6","1") = "8"
    & skf18("9","8","2","4","8","7","1") = "8"
    & skf18("9","8","2","4","8","8","1") = "8"
    & skf18("9","8","2","4","8","9","1") = "8"
    & skf18("9","8","2","4","8","10","1") = "9"
    & skf18("9","8","2","4","9","1","1") = "8"
    & skf18("9","8","2","4","9","2","1") = "8"
    & skf18("9","8","2","4","9","3","1") = "8"
    & skf18("9","8","2","4","9","4","1") = "8"
    & skf18("9","8","2","4","9","5","1") = "8"
    & skf18("9","8","2","4","9","6","1") = "8"
    & skf18("9","8","2","4","9","7","1") = "8"
    & skf18("9","8","2","4","9","8","1") = "8"
    & skf18("9","8","2","4","9","9","1") = "8"
    & skf18("9","8","2","4","9","10","1") = "9"
    & skf18("9","8","2","4","10","1","1") = "9"
    & skf18("9","8","2","4","10","2","1") = "9"
    & skf18("9","8","2","4","10","3","1") = "9"
    & skf18("9","8","2","4","10","4","1") = "9"
    & skf18("9","8","2","4","10","5","1") = "9"
    & skf18("9","8","2","4","10","6","1") = "9"
    & skf18("9","8","2","4","10","7","1") = "9"
    & skf18("9","8","2","4","10","8","1") = "9"
    & skf18("9","8","2","4","10","9","1") = "9"
    & skf18("9","8","2","4","10","10","1") = "9"
    & skf18("9","8","2","5","1","1","1") = "8"
    & skf18("9","8","2","5","1","2","1") = "8"
    & skf18("9","8","2","5","1","3","1") = "8"
    & skf18("9","8","2","5","1","4","1") = "8"
    & skf18("9","8","2","5","1","5","1") = "8"
    & skf18("9","8","2","5","1","6","1") = "8"
    & skf18("9","8","2","5","1","7","1") = "8"
    & skf18("9","8","2","5","1","8","1") = "8"
    & skf18("9","8","2","5","1","9","1") = "8"
    & skf18("9","8","2","5","1","10","1") = "9"
    & skf18("9","8","2","5","2","1","1") = "8"
    & skf18("9","8","2","5","2","2","1") = "8"
    & skf18("9","8","2","5","2","3","1") = "8"
    & skf18("9","8","2","5","2","4","1") = "8"
    & skf18("9","8","2","5","2","5","1") = "8"
    & skf18("9","8","2","5","2","6","1") = "8"
    & skf18("9","8","2","5","2","7","1") = "8"
    & skf18("9","8","2","5","2","8","1") = "8"
    & skf18("9","8","2","5","2","9","1") = "8"
    & skf18("9","8","2","5","2","10","1") = "9"
    & skf18("9","8","2","5","3","1","1") = "8"
    & skf18("9","8","2","5","3","2","1") = "8"
    & skf18("9","8","2","5","3","3","1") = "8"
    & skf18("9","8","2","5","3","4","1") = "8"
    & skf18("9","8","2","5","3","5","1") = "8"
    & skf18("9","8","2","5","3","6","1") = "8"
    & skf18("9","8","2","5","3","7","1") = "8"
    & skf18("9","8","2","5","3","8","1") = "8"
    & skf18("9","8","2","5","3","9","1") = "8"
    & skf18("9","8","2","5","3","10","1") = "9"
    & skf18("9","8","2","5","4","1","1") = "8"
    & skf18("9","8","2","5","4","2","1") = "8"
    & skf18("9","8","2","5","4","3","1") = "8"
    & skf18("9","8","2","5","4","4","1") = "8"
    & skf18("9","8","2","5","4","5","1") = "8"
    & skf18("9","8","2","5","4","6","1") = "8"
    & skf18("9","8","2","5","4","7","1") = "8"
    & skf18("9","8","2","5","4","8","1") = "8"
    & skf18("9","8","2","5","4","9","1") = "8"
    & skf18("9","8","2","5","4","10","1") = "9"
    & skf18("9","8","2","5","5","1","1") = "8"
    & skf18("9","8","2","5","5","2","1") = "8"
    & skf18("9","8","2","5","5","3","1") = "8"
    & skf18("9","8","2","5","5","4","1") = "8"
    & skf18("9","8","2","5","5","5","1") = "8"
    & skf18("9","8","2","5","5","6","1") = "8"
    & skf18("9","8","2","5","5","7","1") = "8"
    & skf18("9","8","2","5","5","8","1") = "8"
    & skf18("9","8","2","5","5","9","1") = "8"
    & skf18("9","8","2","5","5","10","1") = "9"
    & skf18("9","8","2","5","6","1","1") = "8"
    & skf18("9","8","2","5","6","2","1") = "8"
    & skf18("9","8","2","5","6","3","1") = "8"
    & skf18("9","8","2","5","6","4","1") = "8"
    & skf18("9","8","2","5","6","5","1") = "8"
    & skf18("9","8","2","5","6","6","1") = "8"
    & skf18("9","8","2","5","6","7","1") = "8"
    & skf18("9","8","2","5","6","8","1") = "8"
    & skf18("9","8","2","5","6","9","1") = "8"
    & skf18("9","8","2","5","6","10","1") = "9"
    & skf18("9","8","2","5","7","1","1") = "8"
    & skf18("9","8","2","5","7","2","1") = "8"
    & skf18("9","8","2","5","7","3","1") = "8"
    & skf18("9","8","2","5","7","4","1") = "8"
    & skf18("9","8","2","5","7","5","1") = "8"
    & skf18("9","8","2","5","7","6","1") = "8"
    & skf18("9","8","2","5","7","7","1") = "8"
    & skf18("9","8","2","5","7","8","1") = "8"
    & skf18("9","8","2","5","7","9","1") = "8"
    & skf18("9","8","2","5","7","10","1") = "9"
    & skf18("9","8","2","5","8","1","1") = "8"
    & skf18("9","8","2","5","8","2","1") = "8"
    & skf18("9","8","2","5","8","3","1") = "8"
    & skf18("9","8","2","5","8","4","1") = "8"
    & skf18("9","8","2","5","8","5","1") = "8"
    & skf18("9","8","2","5","8","6","1") = "8"
    & skf18("9","8","2","5","8","7","1") = "8"
    & skf18("9","8","2","5","8","8","1") = "8"
    & skf18("9","8","2","5","8","9","1") = "8"
    & skf18("9","8","2","5","8","10","1") = "9"
    & skf18("9","8","2","5","9","1","1") = "8"
    & skf18("9","8","2","5","9","2","1") = "8"
    & skf18("9","8","2","5","9","3","1") = "8"
    & skf18("9","8","2","5","9","4","1") = "8"
    & skf18("9","8","2","5","9","5","1") = "8"
    & skf18("9","8","2","5","9","6","1") = "8"
    & skf18("9","8","2","5","9","7","1") = "8"
    & skf18("9","8","2","5","9","8","1") = "8"
    & skf18("9","8","2","5","9","9","1") = "8"
    & skf18("9","8","2","5","9","10","1") = "9"
    & skf18("9","8","2","5","10","1","1") = "9"
    & skf18("9","8","2","5","10","2","1") = "9"
    & skf18("9","8","2","5","10","3","1") = "9"
    & skf18("9","8","2","5","10","4","1") = "9"
    & skf18("9","8","2","5","10","5","1") = "9"
    & skf18("9","8","2","5","10","6","1") = "9"
    & skf18("9","8","2","5","10","7","1") = "9"
    & skf18("9","8","2","5","10","8","1") = "9"
    & skf18("9","8","2","5","10","9","1") = "9"
    & skf18("9","8","2","5","10","10","1") = "9"
    & skf18("9","8","2","6","1","1","1") = "8"
    & skf18("9","8","2","6","1","2","1") = "8"
    & skf18("9","8","2","6","1","3","1") = "8"
    & skf18("9","8","2","6","1","4","1") = "8"
    & skf18("9","8","2","6","1","5","1") = "8"
    & skf18("9","8","2","6","1","6","1") = "8"
    & skf18("9","8","2","6","1","7","1") = "8"
    & skf18("9","8","2","6","1","8","1") = "8"
    & skf18("9","8","2","6","1","9","1") = "8"
    & skf18("9","8","2","6","1","10","1") = "9"
    & skf18("9","8","2","6","2","1","1") = "8"
    & skf18("9","8","2","6","2","2","1") = "8"
    & skf18("9","8","2","6","2","3","1") = "8"
    & skf18("9","8","2","6","2","4","1") = "8"
    & skf18("9","8","2","6","2","5","1") = "8"
    & skf18("9","8","2","6","2","6","1") = "8"
    & skf18("9","8","2","6","2","7","1") = "8"
    & skf18("9","8","2","6","2","8","1") = "8"
    & skf18("9","8","2","6","2","9","1") = "8"
    & skf18("9","8","2","6","2","10","1") = "9"
    & skf18("9","8","2","6","3","1","1") = "8"
    & skf18("9","8","2","6","3","2","1") = "8"
    & skf18("9","8","2","6","3","3","1") = "8"
    & skf18("9","8","2","6","3","4","1") = "8"
    & skf18("9","8","2","6","3","5","1") = "8"
    & skf18("9","8","2","6","3","6","1") = "8"
    & skf18("9","8","2","6","3","7","1") = "8"
    & skf18("9","8","2","6","3","8","1") = "8"
    & skf18("9","8","2","6","3","9","1") = "8"
    & skf18("9","8","2","6","3","10","1") = "9"
    & skf18("9","8","2","6","4","1","1") = "8"
    & skf18("9","8","2","6","4","2","1") = "8"
    & skf18("9","8","2","6","4","3","1") = "8"
    & skf18("9","8","2","6","4","4","1") = "8"
    & skf18("9","8","2","6","4","5","1") = "8"
    & skf18("9","8","2","6","4","6","1") = "8"
    & skf18("9","8","2","6","4","7","1") = "8"
    & skf18("9","8","2","6","4","8","1") = "8"
    & skf18("9","8","2","6","4","9","1") = "8"
    & skf18("9","8","2","6","4","10","1") = "9"
    & skf18("9","8","2","6","5","1","1") = "8"
    & skf18("9","8","2","6","5","2","1") = "8"
    & skf18("9","8","2","6","5","3","1") = "8"
    & skf18("9","8","2","6","5","4","1") = "8"
    & skf18("9","8","2","6","5","5","1") = "8"
    & skf18("9","8","2","6","5","6","1") = "8"
    & skf18("9","8","2","6","5","7","1") = "8"
    & skf18("9","8","2","6","5","8","1") = "8"
    & skf18("9","8","2","6","5","9","1") = "8"
    & skf18("9","8","2","6","5","10","1") = "9"
    & skf18("9","8","2","6","6","1","1") = "8"
    & skf18("9","8","2","6","6","2","1") = "8"
    & skf18("9","8","2","6","6","3","1") = "8"
    & skf18("9","8","2","6","6","4","1") = "8"
    & skf18("9","8","2","6","6","5","1") = "8"
    & skf18("9","8","2","6","6","6","1") = "8"
    & skf18("9","8","2","6","6","7","1") = "8"
    & skf18("9","8","2","6","6","8","1") = "8"
    & skf18("9","8","2","6","6","9","1") = "8"
    & skf18("9","8","2","6","6","10","1") = "9"
    & skf18("9","8","2","6","7","1","1") = "8"
    & skf18("9","8","2","6","7","2","1") = "8"
    & skf18("9","8","2","6","7","3","1") = "8"
    & skf18("9","8","2","6","7","4","1") = "8"
    & skf18("9","8","2","6","7","5","1") = "8"
    & skf18("9","8","2","6","7","6","1") = "8"
    & skf18("9","8","2","6","7","7","1") = "8"
    & skf18("9","8","2","6","7","8","1") = "8"
    & skf18("9","8","2","6","7","9","1") = "8"
    & skf18("9","8","2","6","7","10","1") = "9"
    & skf18("9","8","2","6","8","1","1") = "8"
    & skf18("9","8","2","6","8","2","1") = "8"
    & skf18("9","8","2","6","8","3","1") = "8"
    & skf18("9","8","2","6","8","4","1") = "8"
    & skf18("9","8","2","6","8","5","1") = "8"
    & skf18("9","8","2","6","8","6","1") = "8"
    & skf18("9","8","2","6","8","7","1") = "8"
    & skf18("9","8","2","6","8","8","1") = "8"
    & skf18("9","8","2","6","8","9","1") = "8"
    & skf18("9","8","2","6","8","10","1") = "9"
    & skf18("9","8","2","6","9","1","1") = "8"
    & skf18("9","8","2","6","9","2","1") = "8"
    & skf18("9","8","2","6","9","3","1") = "8"
    & skf18("9","8","2","6","9","4","1") = "8"
    & skf18("9","8","2","6","9","5","1") = "8"
    & skf18("9","8","2","6","9","6","1") = "8"
    & skf18("9","8","2","6","9","7","1") = "8"
    & skf18("9","8","2","6","9","8","1") = "8"
    & skf18("9","8","2","6","9","9","1") = "8"
    & skf18("9","8","2","6","9","10","1") = "9"
    & skf18("9","8","2","6","10","1","1") = "9"
    & skf18("9","8","2","6","10","2","1") = "9"
    & skf18("9","8","2","6","10","3","1") = "9"
    & skf18("9","8","2","6","10","4","1") = "9"
    & skf18("9","8","2","6","10","5","1") = "9"
    & skf18("9","8","2","6","10","6","1") = "9"
    & skf18("9","8","2","6","10","7","1") = "9"
    & skf18("9","8","2","6","10","8","1") = "9"
    & skf18("9","8","2","6","10","9","1") = "9"
    & skf18("9","8","2","6","10","10","1") = "9"
    & skf18("9","8","2","7","1","1","1") = "8"
    & skf18("9","8","2","7","1","2","1") = "8"
    & skf18("9","8","2","7","1","3","1") = "8"
    & skf18("9","8","2","7","1","4","1") = "8"
    & skf18("9","8","2","7","1","5","1") = "8"
    & skf18("9","8","2","7","1","6","1") = "8"
    & skf18("9","8","2","7","1","7","1") = "8"
    & skf18("9","8","2","7","1","8","1") = "8"
    & skf18("9","8","2","7","1","9","1") = "8"
    & skf18("9","8","2","7","1","10","1") = "9"
    & skf18("9","8","2","7","2","1","1") = "8"
    & skf18("9","8","2","7","2","2","1") = "8"
    & skf18("9","8","2","7","2","3","1") = "8"
    & skf18("9","8","2","7","2","4","1") = "8"
    & skf18("9","8","2","7","2","5","1") = "8"
    & skf18("9","8","2","7","2","6","1") = "8"
    & skf18("9","8","2","7","2","7","1") = "8"
    & skf18("9","8","2","7","2","8","1") = "8"
    & skf18("9","8","2","7","2","9","1") = "8"
    & skf18("9","8","2","7","2","10","1") = "9"
    & skf18("9","8","2","7","3","1","1") = "8"
    & skf18("9","8","2","7","3","2","1") = "8"
    & skf18("9","8","2","7","3","3","1") = "8"
    & skf18("9","8","2","7","3","4","1") = "8"
    & skf18("9","8","2","7","3","5","1") = "8"
    & skf18("9","8","2","7","3","6","1") = "8"
    & skf18("9","8","2","7","3","7","1") = "8"
    & skf18("9","8","2","7","3","8","1") = "8"
    & skf18("9","8","2","7","3","9","1") = "8"
    & skf18("9","8","2","7","3","10","1") = "9"
    & skf18("9","8","2","7","4","1","1") = "8"
    & skf18("9","8","2","7","4","2","1") = "8"
    & skf18("9","8","2","7","4","3","1") = "8"
    & skf18("9","8","2","7","4","4","1") = "8"
    & skf18("9","8","2","7","4","5","1") = "8"
    & skf18("9","8","2","7","4","6","1") = "8"
    & skf18("9","8","2","7","4","7","1") = "8"
    & skf18("9","8","2","7","4","8","1") = "8"
    & skf18("9","8","2","7","4","9","1") = "8"
    & skf18("9","8","2","7","4","10","1") = "9"
    & skf18("9","8","2","7","5","1","1") = "8"
    & skf18("9","8","2","7","5","2","1") = "8"
    & skf18("9","8","2","7","5","3","1") = "8"
    & skf18("9","8","2","7","5","4","1") = "8"
    & skf18("9","8","2","7","5","5","1") = "8"
    & skf18("9","8","2","7","5","6","1") = "8"
    & skf18("9","8","2","7","5","7","1") = "8"
    & skf18("9","8","2","7","5","8","1") = "8"
    & skf18("9","8","2","7","5","9","1") = "8"
    & skf18("9","8","2","7","5","10","1") = "9"
    & skf18("9","8","2","7","6","1","1") = "8"
    & skf18("9","8","2","7","6","2","1") = "8"
    & skf18("9","8","2","7","6","3","1") = "8"
    & skf18("9","8","2","7","6","4","1") = "8"
    & skf18("9","8","2","7","6","5","1") = "8"
    & skf18("9","8","2","7","6","6","1") = "8"
    & skf18("9","8","2","7","6","7","1") = "8"
    & skf18("9","8","2","7","6","8","1") = "8"
    & skf18("9","8","2","7","6","9","1") = "8"
    & skf18("9","8","2","7","6","10","1") = "9"
    & skf18("9","8","2","7","7","1","1") = "8"
    & skf18("9","8","2","7","7","2","1") = "8"
    & skf18("9","8","2","7","7","3","1") = "8"
    & skf18("9","8","2","7","7","4","1") = "8"
    & skf18("9","8","2","7","7","5","1") = "8"
    & skf18("9","8","2","7","7","6","1") = "8"
    & skf18("9","8","2","7","7","7","1") = "8"
    & skf18("9","8","2","7","7","8","1") = "8"
    & skf18("9","8","2","7","7","9","1") = "8"
    & skf18("9","8","2","7","7","10","1") = "9"
    & skf18("9","8","2","7","8","1","1") = "8"
    & skf18("9","8","2","7","8","2","1") = "8"
    & skf18("9","8","2","7","8","3","1") = "8"
    & skf18("9","8","2","7","8","4","1") = "8"
    & skf18("9","8","2","7","8","5","1") = "8"
    & skf18("9","8","2","7","8","6","1") = "8"
    & skf18("9","8","2","7","8","7","1") = "8"
    & skf18("9","8","2","7","8","8","1") = "8"
    & skf18("9","8","2","7","8","9","1") = "8"
    & skf18("9","8","2","7","8","10","1") = "9"
    & skf18("9","8","2","7","9","1","1") = "8"
    & skf18("9","8","2","7","9","2","1") = "8"
    & skf18("9","8","2","7","9","3","1") = "8"
    & skf18("9","8","2","7","9","4","1") = "8"
    & skf18("9","8","2","7","9","5","1") = "8"
    & skf18("9","8","2","7","9","6","1") = "8"
    & skf18("9","8","2","7","9","7","1") = "8"
    & skf18("9","8","2","7","9","8","1") = "8"
    & skf18("9","8","2","7","9","9","1") = "8"
    & skf18("9","8","2","7","9","10","1") = "9"
    & skf18("9","8","2","7","10","1","1") = "9"
    & skf18("9","8","2","7","10","2","1") = "9"
    & skf18("9","8","2","7","10","3","1") = "9"
    & skf18("9","8","2","7","10","4","1") = "9"
    & skf18("9","8","2","7","10","5","1") = "9"
    & skf18("9","8","2","7","10","6","1") = "9"
    & skf18("9","8","2","7","10","7","1") = "9"
    & skf18("9","8","2","7","10","8","1") = "9"
    & skf18("9","8","2","7","10","9","1") = "9"
    & skf18("9","8","2","7","10","10","1") = "9"
    & skf18("9","8","2","8","1","1","1") = "8"
    & skf18("9","8","2","8","1","2","1") = "8"
    & skf18("9","8","2","8","1","3","1") = "8"
    & skf18("9","8","2","8","1","4","1") = "8"
    & skf18("9","8","2","8","1","5","1") = "8"
    & skf18("9","8","2","8","1","6","1") = "8"
    & skf18("9","8","2","8","1","7","1") = "8"
    & skf18("9","8","2","8","1","8","1") = "8"
    & skf18("9","8","2","8","1","9","1") = "8"
    & skf18("9","8","2","8","1","10","1") = "9"
    & skf18("9","8","2","8","2","1","1") = "8"
    & skf18("9","8","2","8","2","2","1") = "8"
    & skf18("9","8","2","8","2","3","1") = "8"
    & skf18("9","8","2","8","2","4","1") = "8"
    & skf18("9","8","2","8","2","5","1") = "8"
    & skf18("9","8","2","8","2","6","1") = "8"
    & skf18("9","8","2","8","2","7","1") = "8"
    & skf18("9","8","2","8","2","8","1") = "8"
    & skf18("9","8","2","8","2","9","1") = "8"
    & skf18("9","8","2","8","2","10","1") = "9"
    & skf18("9","8","2","8","3","1","1") = "8"
    & skf18("9","8","2","8","3","2","1") = "8"
    & skf18("9","8","2","8","3","3","1") = "8"
    & skf18("9","8","2","8","3","4","1") = "8"
    & skf18("9","8","2","8","3","5","1") = "8"
    & skf18("9","8","2","8","3","6","1") = "8"
    & skf18("9","8","2","8","3","7","1") = "8"
    & skf18("9","8","2","8","3","8","1") = "8"
    & skf18("9","8","2","8","3","9","1") = "8"
    & skf18("9","8","2","8","3","10","1") = "9"
    & skf18("9","8","2","8","4","1","1") = "8"
    & skf18("9","8","2","8","4","2","1") = "8"
    & skf18("9","8","2","8","4","3","1") = "8"
    & skf18("9","8","2","8","4","4","1") = "8"
    & skf18("9","8","2","8","4","5","1") = "8"
    & skf18("9","8","2","8","4","6","1") = "8"
    & skf18("9","8","2","8","4","7","1") = "8"
    & skf18("9","8","2","8","4","8","1") = "8"
    & skf18("9","8","2","8","4","9","1") = "8"
    & skf18("9","8","2","8","4","10","1") = "9"
    & skf18("9","8","2","8","5","1","1") = "8"
    & skf18("9","8","2","8","5","2","1") = "8"
    & skf18("9","8","2","8","5","3","1") = "8"
    & skf18("9","8","2","8","5","4","1") = "8"
    & skf18("9","8","2","8","5","5","1") = "8"
    & skf18("9","8","2","8","5","6","1") = "8"
    & skf18("9","8","2","8","5","7","1") = "8"
    & skf18("9","8","2","8","5","8","1") = "8"
    & skf18("9","8","2","8","5","9","1") = "8"
    & skf18("9","8","2","8","5","10","1") = "9"
    & skf18("9","8","2","8","6","1","1") = "8"
    & skf18("9","8","2","8","6","2","1") = "8"
    & skf18("9","8","2","8","6","3","1") = "8"
    & skf18("9","8","2","8","6","4","1") = "8"
    & skf18("9","8","2","8","6","5","1") = "8"
    & skf18("9","8","2","8","6","6","1") = "8"
    & skf18("9","8","2","8","6","7","1") = "8"
    & skf18("9","8","2","8","6","8","1") = "8"
    & skf18("9","8","2","8","6","9","1") = "8"
    & skf18("9","8","2","8","6","10","1") = "9"
    & skf18("9","8","2","8","7","1","1") = "8"
    & skf18("9","8","2","8","7","2","1") = "8"
    & skf18("9","8","2","8","7","3","1") = "8"
    & skf18("9","8","2","8","7","4","1") = "8"
    & skf18("9","8","2","8","7","5","1") = "8"
    & skf18("9","8","2","8","7","6","1") = "8"
    & skf18("9","8","2","8","7","7","1") = "8"
    & skf18("9","8","2","8","7","8","1") = "8"
    & skf18("9","8","2","8","7","9","1") = "8"
    & skf18("9","8","2","8","7","10","1") = "9"
    & skf18("9","8","2","8","8","1","1") = "8"
    & skf18("9","8","2","8","8","2","1") = "8"
    & skf18("9","8","2","8","8","3","1") = "8"
    & skf18("9","8","2","8","8","4","1") = "8"
    & skf18("9","8","2","8","8","5","1") = "8"
    & skf18("9","8","2","8","8","6","1") = "8"
    & skf18("9","8","2","8","8","7","1") = "8"
    & skf18("9","8","2","8","8","8","1") = "8"
    & skf18("9","8","2","8","8","9","1") = "8"
    & skf18("9","8","2","8","8","10","1") = "9"
    & skf18("9","8","2","8","9","1","1") = "8"
    & skf18("9","8","2","8","9","2","1") = "8"
    & skf18("9","8","2","8","9","3","1") = "8"
    & skf18("9","8","2","8","9","4","1") = "8"
    & skf18("9","8","2","8","9","5","1") = "8"
    & skf18("9","8","2","8","9","6","1") = "8"
    & skf18("9","8","2","8","9","7","1") = "8"
    & skf18("9","8","2","8","9","8","1") = "8"
    & skf18("9","8","2","8","9","9","1") = "8"
    & skf18("9","8","2","8","9","10","1") = "9"
    & skf18("9","8","2","8","10","1","1") = "9"
    & skf18("9","8","2","8","10","2","1") = "9"
    & skf18("9","8","2","8","10","3","1") = "9"
    & skf18("9","8","2","8","10","4","1") = "9"
    & skf18("9","8","2","8","10","5","1") = "9"
    & skf18("9","8","2","8","10","6","1") = "9"
    & skf18("9","8","2","8","10","7","1") = "9"
    & skf18("9","8","2","8","10","8","1") = "9"
    & skf18("9","8","2","8","10","9","1") = "9"
    & skf18("9","8","2","8","10","10","1") = "9"
    & skf18("9","8","2","9","1","1","1") = "8"
    & skf18("9","8","2","9","1","2","1") = "8"
    & skf18("9","8","2","9","1","3","1") = "8"
    & skf18("9","8","2","9","1","4","1") = "8"
    & skf18("9","8","2","9","1","5","1") = "8"
    & skf18("9","8","2","9","1","6","1") = "8"
    & skf18("9","8","2","9","1","7","1") = "8"
    & skf18("9","8","2","9","1","8","1") = "8"
    & skf18("9","8","2","9","1","9","1") = "8"
    & skf18("9","8","2","9","1","10","1") = "9"
    & skf18("9","8","2","9","2","1","1") = "8"
    & skf18("9","8","2","9","2","2","1") = "8"
    & skf18("9","8","2","9","2","3","1") = "8"
    & skf18("9","8","2","9","2","4","1") = "8"
    & skf18("9","8","2","9","2","5","1") = "8"
    & skf18("9","8","2","9","2","6","1") = "8"
    & skf18("9","8","2","9","2","7","1") = "8"
    & skf18("9","8","2","9","2","8","1") = "8"
    & skf18("9","8","2","9","2","9","1") = "8"
    & skf18("9","8","2","9","2","10","1") = "9"
    & skf18("9","8","2","9","3","1","1") = "8"
    & skf18("9","8","2","9","3","2","1") = "8"
    & skf18("9","8","2","9","3","3","1") = "8"
    & skf18("9","8","2","9","3","4","1") = "8"
    & skf18("9","8","2","9","3","5","1") = "8"
    & skf18("9","8","2","9","3","6","1") = "8"
    & skf18("9","8","2","9","3","7","1") = "8"
    & skf18("9","8","2","9","3","8","1") = "8"
    & skf18("9","8","2","9","3","9","1") = "8"
    & skf18("9","8","2","9","3","10","1") = "9"
    & skf18("9","8","2","9","4","1","1") = "8"
    & skf18("9","8","2","9","4","2","1") = "8"
    & skf18("9","8","2","9","4","3","1") = "8"
    & skf18("9","8","2","9","4","4","1") = "8"
    & skf18("9","8","2","9","4","5","1") = "8"
    & skf18("9","8","2","9","4","6","1") = "8"
    & skf18("9","8","2","9","4","7","1") = "8"
    & skf18("9","8","2","9","4","8","1") = "8"
    & skf18("9","8","2","9","4","9","1") = "8"
    & skf18("9","8","2","9","4","10","1") = "9"
    & skf18("9","8","2","9","5","1","1") = "8"
    & skf18("9","8","2","9","5","2","1") = "8"
    & skf18("9","8","2","9","5","3","1") = "8"
    & skf18("9","8","2","9","5","4","1") = "8"
    & skf18("9","8","2","9","5","5","1") = "8"
    & skf18("9","8","2","9","5","6","1") = "8"
    & skf18("9","8","2","9","5","7","1") = "8"
    & skf18("9","8","2","9","5","8","1") = "8"
    & skf18("9","8","2","9","5","9","1") = "8"
    & skf18("9","8","2","9","5","10","1") = "9"
    & skf18("9","8","2","9","6","1","1") = "8"
    & skf18("9","8","2","9","6","2","1") = "8"
    & skf18("9","8","2","9","6","3","1") = "8"
    & skf18("9","8","2","9","6","4","1") = "8"
    & skf18("9","8","2","9","6","5","1") = "8"
    & skf18("9","8","2","9","6","6","1") = "8"
    & skf18("9","8","2","9","6","7","1") = "8"
    & skf18("9","8","2","9","6","8","1") = "8"
    & skf18("9","8","2","9","6","9","1") = "8"
    & skf18("9","8","2","9","6","10","1") = "9"
    & skf18("9","8","2","9","7","1","1") = "8"
    & skf18("9","8","2","9","7","2","1") = "8"
    & skf18("9","8","2","9","7","3","1") = "8"
    & skf18("9","8","2","9","7","4","1") = "8"
    & skf18("9","8","2","9","7","5","1") = "8"
    & skf18("9","8","2","9","7","6","1") = "8"
    & skf18("9","8","2","9","7","7","1") = "8"
    & skf18("9","8","2","9","7","8","1") = "8"
    & skf18("9","8","2","9","7","9","1") = "8"
    & skf18("9","8","2","9","7","10","1") = "9"
    & skf18("9","8","2","9","8","1","1") = "8"
    & skf18("9","8","2","9","8","2","1") = "8"
    & skf18("9","8","2","9","8","3","1") = "8"
    & skf18("9","8","2","9","8","4","1") = "8"
    & skf18("9","8","2","9","8","5","1") = "8"
    & skf18("9","8","2","9","8","6","1") = "8"
    & skf18("9","8","2","9","8","7","1") = "8"
    & skf18("9","8","2","9","8","8","1") = "8"
    & skf18("9","8","2","9","8","9","1") = "8"
    & skf18("9","8","2","9","8","10","1") = "9"
    & skf18("9","8","2","9","9","1","1") = "8"
    & skf18("9","8","2","9","9","2","1") = "8"
    & skf18("9","8","2","9","9","3","1") = "8"
    & skf18("9","8","2","9","9","4","1") = "8"
    & skf18("9","8","2","9","9","5","1") = "8"
    & skf18("9","8","2","9","9","6","1") = "8"
    & skf18("9","8","2","9","9","7","1") = "8"
    & skf18("9","8","2","9","9","8","1") = "8"
    & skf18("9","8","2","9","9","9","1") = "8"
    & skf18("9","8","2","9","9","10","1") = "9"
    & skf18("9","8","2","9","10","1","1") = "9"
    & skf18("9","8","2","9","10","2","1") = "9"
    & skf18("9","8","2","9","10","3","1") = "9"
    & skf18("9","8","2","9","10","4","1") = "9"
    & skf18("9","8","2","9","10","5","1") = "9"
    & skf18("9","8","2","9","10","6","1") = "9"
    & skf18("9","8","2","9","10","7","1") = "9"
    & skf18("9","8","2","9","10","8","1") = "9"
    & skf18("9","8","2","9","10","9","1") = "9"
    & skf18("9","8","2","9","10","10","1") = "9"
    & skf18("9","8","2","10","1","1","1") = "9"
    & skf18("9","8","2","10","1","2","1") = "9"
    & skf18("9","8","2","10","1","3","1") = "9"
    & skf18("9","8","2","10","1","4","1") = "9"
    & skf18("9","8","2","10","1","5","1") = "9"
    & skf18("9","8","2","10","1","6","1") = "9"
    & skf18("9","8","2","10","1","7","1") = "9"
    & skf18("9","8","2","10","1","8","1") = "9"
    & skf18("9","8","2","10","1","9","1") = "9"
    & skf18("9","8","2","10","1","10","1") = "9"
    & skf18("9","8","2","10","2","1","1") = "9"
    & skf18("9","8","2","10","2","2","1") = "9"
    & skf18("9","8","2","10","2","3","1") = "9"
    & skf18("9","8","2","10","2","4","1") = "9"
    & skf18("9","8","2","10","2","5","1") = "9"
    & skf18("9","8","2","10","2","6","1") = "9"
    & skf18("9","8","2","10","2","7","1") = "9"
    & skf18("9","8","2","10","2","8","1") = "9"
    & skf18("9","8","2","10","2","9","1") = "9"
    & skf18("9","8","2","10","2","10","1") = "9"
    & skf18("9","8","2","10","3","1","1") = "9"
    & skf18("9","8","2","10","3","2","1") = "9"
    & skf18("9","8","2","10","3","3","1") = "9"
    & skf18("9","8","2","10","3","4","1") = "9"
    & skf18("9","8","2","10","3","5","1") = "9"
    & skf18("9","8","2","10","3","6","1") = "9"
    & skf18("9","8","2","10","3","7","1") = "9"
    & skf18("9","8","2","10","3","8","1") = "9"
    & skf18("9","8","2","10","3","9","1") = "9"
    & skf18("9","8","2","10","3","10","1") = "9"
    & skf18("9","8","2","10","4","1","1") = "9"
    & skf18("9","8","2","10","4","2","1") = "9"
    & skf18("9","8","2","10","4","3","1") = "9"
    & skf18("9","8","2","10","4","4","1") = "9"
    & skf18("9","8","2","10","4","5","1") = "9"
    & skf18("9","8","2","10","4","6","1") = "9"
    & skf18("9","8","2","10","4","7","1") = "9"
    & skf18("9","8","2","10","4","8","1") = "9"
    & skf18("9","8","2","10","4","9","1") = "9"
    & skf18("9","8","2","10","4","10","1") = "9"
    & skf18("9","8","2","10","5","1","1") = "9"
    & skf18("9","8","2","10","5","2","1") = "9"
    & skf18("9","8","2","10","5","3","1") = "9"
    & skf18("9","8","2","10","5","4","1") = "9"
    & skf18("9","8","2","10","5","5","1") = "9"
    & skf18("9","8","2","10","5","6","1") = "9"
    & skf18("9","8","2","10","5","7","1") = "9"
    & skf18("9","8","2","10","5","8","1") = "9"
    & skf18("9","8","2","10","5","9","1") = "9"
    & skf18("9","8","2","10","5","10","1") = "9"
    & skf18("9","8","2","10","6","1","1") = "9"
    & skf18("9","8","2","10","6","2","1") = "9"
    & skf18("9","8","2","10","6","3","1") = "9"
    & skf18("9","8","2","10","6","4","1") = "9"
    & skf18("9","8","2","10","6","5","1") = "9"
    & skf18("9","8","2","10","6","6","1") = "9"
    & skf18("9","8","2","10","6","7","1") = "9"
    & skf18("9","8","2","10","6","8","1") = "9"
    & skf18("9","8","2","10","6","9","1") = "9"
    & skf18("9","8","2","10","6","10","1") = "9"
    & skf18("9","8","2","10","7","1","1") = "9"
    & skf18("9","8","2","10","7","2","1") = "9"
    & skf18("9","8","2","10","7","3","1") = "9"
    & skf18("9","8","2","10","7","4","1") = "9"
    & skf18("9","8","2","10","7","5","1") = "9"
    & skf18("9","8","2","10","7","6","1") = "9"
    & skf18("9","8","2","10","7","7","1") = "9"
    & skf18("9","8","2","10","7","8","1") = "9"
    & skf18("9","8","2","10","7","9","1") = "9"
    & skf18("9","8","2","10","7","10","1") = "9"
    & skf18("9","8","2","10","8","1","1") = "9"
    & skf18("9","8","2","10","8","2","1") = "9"
    & skf18("9","8","2","10","8","3","1") = "9"
    & skf18("9","8","2","10","8","4","1") = "9"
    & skf18("9","8","2","10","8","5","1") = "9"
    & skf18("9","8","2","10","8","6","1") = "9"
    & skf18("9","8","2","10","8","7","1") = "9"
    & skf18("9","8","2","10","8","8","1") = "9"
    & skf18("9","8","2","10","8","9","1") = "9"
    & skf18("9","8","2","10","8","10","1") = "9"
    & skf18("9","8","2","10","9","1","1") = "9"
    & skf18("9","8","2","10","9","2","1") = "9"
    & skf18("9","8","2","10","9","3","1") = "9"
    & skf18("9","8","2","10","9","4","1") = "9"
    & skf18("9","8","2","10","9","5","1") = "9"
    & skf18("9","8","2","10","9","6","1") = "9"
    & skf18("9","8","2","10","9","7","1") = "9"
    & skf18("9","8","2","10","9","8","1") = "9"
    & skf18("9","8","2","10","9","9","1") = "9"
    & skf18("9","8","2","10","9","10","1") = "9"
    & skf18("9","8","2","10","10","1","1") = "9"
    & skf18("9","8","2","10","10","2","1") = "9"
    & skf18("9","8","2","10","10","3","1") = "9"
    & skf18("9","8","2","10","10","4","1") = "9"
    & skf18("9","8","2","10","10","5","1") = "9"
    & skf18("9","8","2","10","10","6","1") = "9"
    & skf18("9","8","2","10","10","7","1") = "9"
    & skf18("9","8","2","10","10","8","1") = "9"
    & skf18("9","8","2","10","10","9","1") = "9"
    & skf18("9","8","2","10","10","10","1") = "9"
    & skf18("9","8","3","1","1","1","1") = "8"
    & skf18("9","8","3","1","1","2","1") = "8"
    & skf18("9","8","3","1","1","3","1") = "8"
    & skf18("9","8","3","1","1","4","1") = "8"
    & skf18("9","8","3","1","1","5","1") = "8"
    & skf18("9","8","3","1","1","6","1") = "8"
    & skf18("9","8","3","1","1","7","1") = "8"
    & skf18("9","8","3","1","1","8","1") = "8"
    & skf18("9","8","3","1","1","9","1") = "8"
    & skf18("9","8","3","1","1","10","1") = "9"
    & skf18("9","8","3","1","2","1","1") = "8"
    & skf18("9","8","3","1","2","2","1") = "8"
    & skf18("9","8","3","1","2","3","1") = "8"
    & skf18("9","8","3","1","2","4","1") = "8"
    & skf18("9","8","3","1","2","5","1") = "8"
    & skf18("9","8","3","1","2","6","1") = "8"
    & skf18("9","8","3","1","2","7","1") = "8"
    & skf18("9","8","3","1","2","8","1") = "8"
    & skf18("9","8","3","1","2","9","1") = "8"
    & skf18("9","8","3","1","2","10","1") = "9"
    & skf18("9","8","3","1","3","1","1") = "8"
    & skf18("9","8","3","1","3","2","1") = "8"
    & skf18("9","8","3","1","3","3","1") = "8"
    & skf18("9","8","3","1","3","4","1") = "8"
    & skf18("9","8","3","1","3","5","1") = "8"
    & skf18("9","8","3","1","3","6","1") = "8"
    & skf18("9","8","3","1","3","7","1") = "8"
    & skf18("9","8","3","1","3","8","1") = "8"
    & skf18("9","8","3","1","3","9","1") = "8"
    & skf18("9","8","3","1","3","10","1") = "9"
    & skf18("9","8","3","1","4","1","1") = "8"
    & skf18("9","8","3","1","4","2","1") = "8"
    & skf18("9","8","3","1","4","3","1") = "8"
    & skf18("9","8","3","1","4","4","1") = "8"
    & skf18("9","8","3","1","4","5","1") = "8"
    & skf18("9","8","3","1","4","6","1") = "8"
    & skf18("9","8","3","1","4","7","1") = "8"
    & skf18("9","8","3","1","4","8","1") = "8"
    & skf18("9","8","3","1","4","9","1") = "8"
    & skf18("9","8","3","1","4","10","1") = "9"
    & skf18("9","8","3","1","5","1","1") = "8"
    & skf18("9","8","3","1","5","2","1") = "8"
    & skf18("9","8","3","1","5","3","1") = "8"
    & skf18("9","8","3","1","5","4","1") = "8"
    & skf18("9","8","3","1","5","5","1") = "8"
    & skf18("9","8","3","1","5","6","1") = "8"
    & skf18("9","8","3","1","5","7","1") = "8"
    & skf18("9","8","3","1","5","8","1") = "8"
    & skf18("9","8","3","1","5","9","1") = "8"
    & skf18("9","8","3","1","5","10","1") = "9"
    & skf18("9","8","3","1","6","1","1") = "8"
    & skf18("9","8","3","1","6","2","1") = "8"
    & skf18("9","8","3","1","6","3","1") = "8"
    & skf18("9","8","3","1","6","4","1") = "8"
    & skf18("9","8","3","1","6","5","1") = "8"
    & skf18("9","8","3","1","6","6","1") = "8"
    & skf18("9","8","3","1","6","7","1") = "8"
    & skf18("9","8","3","1","6","8","1") = "8"
    & skf18("9","8","3","1","6","9","1") = "8"
    & skf18("9","8","3","1","6","10","1") = "9"
    & skf18("9","8","3","1","7","1","1") = "8"
    & skf18("9","8","3","1","7","2","1") = "8"
    & skf18("9","8","3","1","7","3","1") = "8"
    & skf18("9","8","3","1","7","4","1") = "8"
    & skf18("9","8","3","1","7","5","1") = "8"
    & skf18("9","8","3","1","7","6","1") = "8"
    & skf18("9","8","3","1","7","7","1") = "8"
    & skf18("9","8","3","1","7","8","1") = "8"
    & skf18("9","8","3","1","7","9","1") = "8"
    & skf18("9","8","3","1","7","10","1") = "9"
    & skf18("9","8","3","1","8","1","1") = "8"
    & skf18("9","8","3","1","8","2","1") = "8"
    & skf18("9","8","3","1","8","3","1") = "8"
    & skf18("9","8","3","1","8","4","1") = "8"
    & skf18("9","8","3","1","8","5","1") = "8"
    & skf18("9","8","3","1","8","6","1") = "8"
    & skf18("9","8","3","1","8","7","1") = "8"
    & skf18("9","8","3","1","8","8","1") = "8"
    & skf18("9","8","3","1","8","9","1") = "8"
    & skf18("9","8","3","1","8","10","1") = "9"
    & skf18("9","8","3","1","9","1","1") = "8"
    & skf18("9","8","3","1","9","2","1") = "8"
    & skf18("9","8","3","1","9","3","1") = "8"
    & skf18("9","8","3","1","9","4","1") = "8"
    & skf18("9","8","3","1","9","5","1") = "8"
    & skf18("9","8","3","1","9","6","1") = "8"
    & skf18("9","8","3","1","9","7","1") = "8"
    & skf18("9","8","3","1","9","8","1") = "8"
    & skf18("9","8","3","1","9","9","1") = "8"
    & skf18("9","8","3","1","9","10","1") = "9"
    & skf18("9","8","3","1","10","1","1") = "9"
    & skf18("9","8","3","1","10","2","1") = "9"
    & skf18("9","8","3","1","10","3","1") = "9"
    & skf18("9","8","3","1","10","4","1") = "9"
    & skf18("9","8","3","1","10","5","1") = "9"
    & skf18("9","8","3","1","10","6","1") = "9"
    & skf18("9","8","3","1","10","7","1") = "9"
    & skf18("9","8","3","1","10","8","1") = "9"
    & skf18("9","8","3","1","10","9","1") = "9"
    & skf18("9","8","3","1","10","10","1") = "9"
    & skf18("9","8","3","2","1","1","1") = "8"
    & skf18("9","8","3","2","1","2","1") = "8"
    & skf18("9","8","3","2","1","3","1") = "8"
    & skf18("9","8","3","2","1","4","1") = "8"
    & skf18("9","8","3","2","1","5","1") = "8"
    & skf18("9","8","3","2","1","6","1") = "8"
    & skf18("9","8","3","2","1","7","1") = "8"
    & skf18("9","8","3","2","1","8","1") = "8"
    & skf18("9","8","3","2","1","9","1") = "8"
    & skf18("9","8","3","2","1","10","1") = "9"
    & skf18("9","8","3","2","2","1","1") = "8"
    & skf18("9","8","3","2","2","2","1") = "8"
    & skf18("9","8","3","2","2","3","1") = "8"
    & skf18("9","8","3","2","2","4","1") = "8"
    & skf18("9","8","3","2","2","5","1") = "8"
    & skf18("9","8","3","2","2","6","1") = "8"
    & skf18("9","8","3","2","2","7","1") = "8"
    & skf18("9","8","3","2","2","8","1") = "8"
    & skf18("9","8","3","2","2","9","1") = "8"
    & skf18("9","8","3","2","2","10","1") = "9"
    & skf18("9","8","3","2","3","1","1") = "8"
    & skf18("9","8","3","2","3","2","1") = "8"
    & skf18("9","8","3","2","3","3","1") = "8"
    & skf18("9","8","3","2","3","4","1") = "8"
    & skf18("9","8","3","2","3","5","1") = "8"
    & skf18("9","8","3","2","3","6","1") = "8"
    & skf18("9","8","3","2","3","7","1") = "8"
    & skf18("9","8","3","2","3","8","1") = "8"
    & skf18("9","8","3","2","3","9","1") = "8"
    & skf18("9","8","3","2","3","10","1") = "9"
    & skf18("9","8","3","2","4","1","1") = "8"
    & skf18("9","8","3","2","4","2","1") = "8"
    & skf18("9","8","3","2","4","3","1") = "8"
    & skf18("9","8","3","2","4","4","1") = "8"
    & skf18("9","8","3","2","4","5","1") = "8"
    & skf18("9","8","3","2","4","6","1") = "8"
    & skf18("9","8","3","2","4","7","1") = "8"
    & skf18("9","8","3","2","4","8","1") = "8"
    & skf18("9","8","3","2","4","9","1") = "8"
    & skf18("9","8","3","2","4","10","1") = "9"
    & skf18("9","8","3","2","5","1","1") = "8"
    & skf18("9","8","3","2","5","2","1") = "8"
    & skf18("9","8","3","2","5","3","1") = "8"
    & skf18("9","8","3","2","5","4","1") = "8"
    & skf18("9","8","3","2","5","5","1") = "8"
    & skf18("9","8","3","2","5","6","1") = "8"
    & skf18("9","8","3","2","5","7","1") = "8"
    & skf18("9","8","3","2","5","8","1") = "8"
    & skf18("9","8","3","2","5","9","1") = "8"
    & skf18("9","8","3","2","5","10","1") = "9"
    & skf18("9","8","3","2","6","1","1") = "8"
    & skf18("9","8","3","2","6","2","1") = "8"
    & skf18("9","8","3","2","6","3","1") = "8"
    & skf18("9","8","3","2","6","4","1") = "8"
    & skf18("9","8","3","2","6","5","1") = "8"
    & skf18("9","8","3","2","6","6","1") = "8"
    & skf18("9","8","3","2","6","7","1") = "8"
    & skf18("9","8","3","2","6","8","1") = "8"
    & skf18("9","8","3","2","6","9","1") = "8"
    & skf18("9","8","3","2","6","10","1") = "9"
    & skf18("9","8","3","2","7","1","1") = "8"
    & skf18("9","8","3","2","7","2","1") = "8"
    & skf18("9","8","3","2","7","3","1") = "8"
    & skf18("9","8","3","2","7","4","1") = "8"
    & skf18("9","8","3","2","7","5","1") = "8"
    & skf18("9","8","3","2","7","6","1") = "8"
    & skf18("9","8","3","2","7","7","1") = "8"
    & skf18("9","8","3","2","7","8","1") = "8"
    & skf18("9","8","3","2","7","9","1") = "8"
    & skf18("9","8","3","2","7","10","1") = "9"
    & skf18("9","8","3","2","8","1","1") = "8"
    & skf18("9","8","3","2","8","2","1") = "8"
    & skf18("9","8","3","2","8","3","1") = "8"
    & skf18("9","8","3","2","8","4","1") = "8"
    & skf18("9","8","3","2","8","5","1") = "8"
    & skf18("9","8","3","2","8","6","1") = "8"
    & skf18("9","8","3","2","8","7","1") = "8"
    & skf18("9","8","3","2","8","8","1") = "8"
    & skf18("9","8","3","2","8","9","1") = "8"
    & skf18("9","8","3","2","8","10","1") = "9"
    & skf18("9","8","3","2","9","1","1") = "8"
    & skf18("9","8","3","2","9","2","1") = "8"
    & skf18("9","8","3","2","9","3","1") = "8"
    & skf18("9","8","3","2","9","4","1") = "8"
    & skf18("9","8","3","2","9","5","1") = "8"
    & skf18("9","8","3","2","9","6","1") = "8"
    & skf18("9","8","3","2","9","7","1") = "8"
    & skf18("9","8","3","2","9","8","1") = "8"
    & skf18("9","8","3","2","9","9","1") = "8"
    & skf18("9","8","3","2","9","10","1") = "9"
    & skf18("9","8","3","2","10","1","1") = "9"
    & skf18("9","8","3","2","10","2","1") = "9"
    & skf18("9","8","3","2","10","3","1") = "9"
    & skf18("9","8","3","2","10","4","1") = "9"
    & skf18("9","8","3","2","10","5","1") = "9"
    & skf18("9","8","3","2","10","6","1") = "9"
    & skf18("9","8","3","2","10","7","1") = "9"
    & skf18("9","8","3","2","10","8","1") = "9"
    & skf18("9","8","3","2","10","9","1") = "9"
    & skf18("9","8","3","2","10","10","1") = "9"
    & skf18("9","8","3","3","1","1","1") = "8"
    & skf18("9","8","3","3","1","2","1") = "8"
    & skf18("9","8","3","3","1","3","1") = "8"
    & skf18("9","8","3","3","1","4","1") = "8"
    & skf18("9","8","3","3","1","5","1") = "8"
    & skf18("9","8","3","3","1","6","1") = "8"
    & skf18("9","8","3","3","1","7","1") = "8"
    & skf18("9","8","3","3","1","8","1") = "8"
    & skf18("9","8","3","3","1","9","1") = "8"
    & skf18("9","8","3","3","1","10","1") = "9"
    & skf18("9","8","3","3","2","1","1") = "8"
    & skf18("9","8","3","3","2","2","1") = "8"
    & skf18("9","8","3","3","2","3","1") = "8"
    & skf18("9","8","3","3","2","4","1") = "8"
    & skf18("9","8","3","3","2","5","1") = "8"
    & skf18("9","8","3","3","2","6","1") = "8"
    & skf18("9","8","3","3","2","7","1") = "8"
    & skf18("9","8","3","3","2","8","1") = "8"
    & skf18("9","8","3","3","2","9","1") = "8"
    & skf18("9","8","3","3","2","10","1") = "9"
    & skf18("9","8","3","3","3","1","1") = "8"
    & skf18("9","8","3","3","3","2","1") = "8"
    & skf18("9","8","3","3","3","3","1") = "8"
    & skf18("9","8","3","3","3","4","1") = "8"
    & skf18("9","8","3","3","3","5","1") = "8"
    & skf18("9","8","3","3","3","6","1") = "8"
    & skf18("9","8","3","3","3","7","1") = "8"
    & skf18("9","8","3","3","3","8","1") = "8"
    & skf18("9","8","3","3","3","9","1") = "8"
    & skf18("9","8","3","3","3","10","1") = "9"
    & skf18("9","8","3","3","4","1","1") = "8"
    & skf18("9","8","3","3","4","2","1") = "8"
    & skf18("9","8","3","3","4","3","1") = "8"
    & skf18("9","8","3","3","4","4","1") = "8"
    & skf18("9","8","3","3","4","5","1") = "8"
    & skf18("9","8","3","3","4","6","1") = "8"
    & skf18("9","8","3","3","4","7","1") = "8"
    & skf18("9","8","3","3","4","8","1") = "8"
    & skf18("9","8","3","3","4","9","1") = "8"
    & skf18("9","8","3","3","4","10","1") = "9"
    & skf18("9","8","3","3","5","1","1") = "8"
    & skf18("9","8","3","3","5","2","1") = "8"
    & skf18("9","8","3","3","5","3","1") = "8"
    & skf18("9","8","3","3","5","4","1") = "8"
    & skf18("9","8","3","3","5","5","1") = "8"
    & skf18("9","8","3","3","5","6","1") = "8"
    & skf18("9","8","3","3","5","7","1") = "8"
    & skf18("9","8","3","3","5","8","1") = "8"
    & skf18("9","8","3","3","5","9","1") = "8"
    & skf18("9","8","3","3","5","10","1") = "9"
    & skf18("9","8","3","3","6","1","1") = "8"
    & skf18("9","8","3","3","6","2","1") = "8"
    & skf18("9","8","3","3","6","3","1") = "8"
    & skf18("9","8","3","3","6","4","1") = "8"
    & skf18("9","8","3","3","6","5","1") = "8"
    & skf18("9","8","3","3","6","6","1") = "8"
    & skf18("9","8","3","3","6","7","1") = "8"
    & skf18("9","8","3","3","6","8","1") = "8"
    & skf18("9","8","3","3","6","9","1") = "8"
    & skf18("9","8","3","3","6","10","1") = "9"
    & skf18("9","8","3","3","7","1","1") = "8"
    & skf18("9","8","3","3","7","2","1") = "8"
    & skf18("9","8","3","3","7","3","1") = "8"
    & skf18("9","8","3","3","7","4","1") = "8"
    & skf18("9","8","3","3","7","5","1") = "8"
    & skf18("9","8","3","3","7","6","1") = "8"
    & skf18("9","8","3","3","7","7","1") = "8"
    & skf18("9","8","3","3","7","8","1") = "8"
    & skf18("9","8","3","3","7","9","1") = "8"
    & skf18("9","8","3","3","7","10","1") = "9"
    & skf18("9","8","3","3","8","1","1") = "8"
    & skf18("9","8","3","3","8","2","1") = "8"
    & skf18("9","8","3","3","8","3","1") = "8"
    & skf18("9","8","3","3","8","4","1") = "8"
    & skf18("9","8","3","3","8","5","1") = "8"
    & skf18("9","8","3","3","8","6","1") = "8"
    & skf18("9","8","3","3","8","7","1") = "8"
    & skf18("9","8","3","3","8","8","1") = "8"
    & skf18("9","8","3","3","8","9","1") = "8"
    & skf18("9","8","3","3","8","10","1") = "9"
    & skf18("9","8","3","3","9","1","1") = "8"
    & skf18("9","8","3","3","9","2","1") = "8"
    & skf18("9","8","3","3","9","3","1") = "8"
    & skf18("9","8","3","3","9","4","1") = "8"
    & skf18("9","8","3","3","9","5","1") = "8"
    & skf18("9","8","3","3","9","6","1") = "8"
    & skf18("9","8","3","3","9","7","1") = "8"
    & skf18("9","8","3","3","9","8","1") = "8"
    & skf18("9","8","3","3","9","9","1") = "8"
    & skf18("9","8","3","3","9","10","1") = "9"
    & skf18("9","8","3","3","10","1","1") = "9"
    & skf18("9","8","3","3","10","2","1") = "9"
    & skf18("9","8","3","3","10","3","1") = "9"
    & skf18("9","8","3","3","10","4","1") = "9"
    & skf18("9","8","3","3","10","5","1") = "9"
    & skf18("9","8","3","3","10","6","1") = "9"
    & skf18("9","8","3","3","10","7","1") = "9"
    & skf18("9","8","3","3","10","8","1") = "9"
    & skf18("9","8","3","3","10","9","1") = "9"
    & skf18("9","8","3","3","10","10","1") = "9"
    & skf18("9","8","3","4","1","1","1") = "8"
    & skf18("9","8","3","4","1","2","1") = "8"
    & skf18("9","8","3","4","1","3","1") = "8"
    & skf18("9","8","3","4","1","4","1") = "8"
    & skf18("9","8","3","4","1","5","1") = "8"
    & skf18("9","8","3","4","1","6","1") = "8"
    & skf18("9","8","3","4","1","7","1") = "8"
    & skf18("9","8","3","4","1","8","1") = "8"
    & skf18("9","8","3","4","1","9","1") = "8"
    & skf18("9","8","3","4","1","10","1") = "9"
    & skf18("9","8","3","4","2","1","1") = "8"
    & skf18("9","8","3","4","2","2","1") = "8"
    & skf18("9","8","3","4","2","3","1") = "8"
    & skf18("9","8","3","4","2","4","1") = "8"
    & skf18("9","8","3","4","2","5","1") = "8"
    & skf18("9","8","3","4","2","6","1") = "8"
    & skf18("9","8","3","4","2","7","1") = "8"
    & skf18("9","8","3","4","2","8","1") = "8"
    & skf18("9","8","3","4","2","9","1") = "8"
    & skf18("9","8","3","4","2","10","1") = "9"
    & skf18("9","8","3","4","3","1","1") = "8"
    & skf18("9","8","3","4","3","2","1") = "8"
    & skf18("9","8","3","4","3","3","1") = "8"
    & skf18("9","8","3","4","3","4","1") = "8"
    & skf18("9","8","3","4","3","5","1") = "8"
    & skf18("9","8","3","4","3","6","1") = "8"
    & skf18("9","8","3","4","3","7","1") = "8"
    & skf18("9","8","3","4","3","8","1") = "8"
    & skf18("9","8","3","4","3","9","1") = "8"
    & skf18("9","8","3","4","3","10","1") = "9"
    & skf18("9","8","3","4","4","1","1") = "8"
    & skf18("9","8","3","4","4","2","1") = "8"
    & skf18("9","8","3","4","4","3","1") = "8"
    & skf18("9","8","3","4","4","4","1") = "8"
    & skf18("9","8","3","4","4","5","1") = "8"
    & skf18("9","8","3","4","4","6","1") = "8"
    & skf18("9","8","3","4","4","7","1") = "8"
    & skf18("9","8","3","4","4","8","1") = "8"
    & skf18("9","8","3","4","4","9","1") = "8"
    & skf18("9","8","3","4","4","10","1") = "9"
    & skf18("9","8","3","4","5","1","1") = "8"
    & skf18("9","8","3","4","5","2","1") = "8"
    & skf18("9","8","3","4","5","3","1") = "8"
    & skf18("9","8","3","4","5","4","1") = "8"
    & skf18("9","8","3","4","5","5","1") = "8"
    & skf18("9","8","3","4","5","6","1") = "8"
    & skf18("9","8","3","4","5","7","1") = "8"
    & skf18("9","8","3","4","5","8","1") = "8"
    & skf18("9","8","3","4","5","9","1") = "8"
    & skf18("9","8","3","4","5","10","1") = "9"
    & skf18("9","8","3","4","6","1","1") = "8"
    & skf18("9","8","3","4","6","2","1") = "8"
    & skf18("9","8","3","4","6","3","1") = "8"
    & skf18("9","8","3","4","6","4","1") = "8"
    & skf18("9","8","3","4","6","5","1") = "8"
    & skf18("9","8","3","4","6","6","1") = "8"
    & skf18("9","8","3","4","6","7","1") = "8"
    & skf18("9","8","3","4","6","8","1") = "8"
    & skf18("9","8","3","4","6","9","1") = "8"
    & skf18("9","8","3","4","6","10","1") = "9"
    & skf18("9","8","3","4","7","1","1") = "8"
    & skf18("9","8","3","4","7","2","1") = "8"
    & skf18("9","8","3","4","7","3","1") = "8"
    & skf18("9","8","3","4","7","4","1") = "8"
    & skf18("9","8","3","4","7","5","1") = "8"
    & skf18("9","8","3","4","7","6","1") = "8"
    & skf18("9","8","3","4","7","7","1") = "8"
    & skf18("9","8","3","4","7","8","1") = "8"
    & skf18("9","8","3","4","7","9","1") = "8"
    & skf18("9","8","3","4","7","10","1") = "9"
    & skf18("9","8","3","4","8","1","1") = "8"
    & skf18("9","8","3","4","8","2","1") = "8"
    & skf18("9","8","3","4","8","3","1") = "8"
    & skf18("9","8","3","4","8","4","1") = "8"
    & skf18("9","8","3","4","8","5","1") = "8"
    & skf18("9","8","3","4","8","6","1") = "8"
    & skf18("9","8","3","4","8","7","1") = "8"
    & skf18("9","8","3","4","8","8","1") = "8"
    & skf18("9","8","3","4","8","9","1") = "8"
    & skf18("9","8","3","4","8","10","1") = "9"
    & skf18("9","8","3","4","9","1","1") = "8"
    & skf18("9","8","3","4","9","2","1") = "8"
    & skf18("9","8","3","4","9","3","1") = "8"
    & skf18("9","8","3","4","9","4","1") = "8"
    & skf18("9","8","3","4","9","5","1") = "8"
    & skf18("9","8","3","4","9","6","1") = "8"
    & skf18("9","8","3","4","9","7","1") = "8"
    & skf18("9","8","3","4","9","8","1") = "8"
    & skf18("9","8","3","4","9","9","1") = "8"
    & skf18("9","8","3","4","9","10","1") = "9"
    & skf18("9","8","3","4","10","1","1") = "9"
    & skf18("9","8","3","4","10","2","1") = "9"
    & skf18("9","8","3","4","10","3","1") = "9"
    & skf18("9","8","3","4","10","4","1") = "9"
    & skf18("9","8","3","4","10","5","1") = "9"
    & skf18("9","8","3","4","10","6","1") = "9"
    & skf18("9","8","3","4","10","7","1") = "9"
    & skf18("9","8","3","4","10","8","1") = "9"
    & skf18("9","8","3","4","10","9","1") = "9"
    & skf18("9","8","3","4","10","10","1") = "9"
    & skf18("9","8","3","5","1","1","1") = "8"
    & skf18("9","8","3","5","1","2","1") = "8"
    & skf18("9","8","3","5","1","3","1") = "8"
    & skf18("9","8","3","5","1","4","1") = "8"
    & skf18("9","8","3","5","1","5","1") = "8"
    & skf18("9","8","3","5","1","6","1") = "8"
    & skf18("9","8","3","5","1","7","1") = "8"
    & skf18("9","8","3","5","1","8","1") = "8"
    & skf18("9","8","3","5","1","9","1") = "8"
    & skf18("9","8","3","5","1","10","1") = "9"
    & skf18("9","8","3","5","2","1","1") = "8"
    & skf18("9","8","3","5","2","2","1") = "8"
    & skf18("9","8","3","5","2","3","1") = "8"
    & skf18("9","8","3","5","2","4","1") = "8"
    & skf18("9","8","3","5","2","5","1") = "8"
    & skf18("9","8","3","5","2","6","1") = "8"
    & skf18("9","8","3","5","2","7","1") = "8"
    & skf18("9","8","3","5","2","8","1") = "8"
    & skf18("9","8","3","5","2","9","1") = "8"
    & skf18("9","8","3","5","2","10","1") = "9"
    & skf18("9","8","3","5","3","1","1") = "8"
    & skf18("9","8","3","5","3","2","1") = "8"
    & skf18("9","8","3","5","3","3","1") = "8"
    & skf18("9","8","3","5","3","4","1") = "8"
    & skf18("9","8","3","5","3","5","1") = "8"
    & skf18("9","8","3","5","3","6","1") = "8"
    & skf18("9","8","3","5","3","7","1") = "8"
    & skf18("9","8","3","5","3","8","1") = "8"
    & skf18("9","8","3","5","3","9","1") = "8"
    & skf18("9","8","3","5","3","10","1") = "9"
    & skf18("9","8","3","5","4","1","1") = "8"
    & skf18("9","8","3","5","4","2","1") = "8"
    & skf18("9","8","3","5","4","3","1") = "8"
    & skf18("9","8","3","5","4","4","1") = "8"
    & skf18("9","8","3","5","4","5","1") = "8"
    & skf18("9","8","3","5","4","6","1") = "8"
    & skf18("9","8","3","5","4","7","1") = "8"
    & skf18("9","8","3","5","4","8","1") = "8"
    & skf18("9","8","3","5","4","9","1") = "8"
    & skf18("9","8","3","5","4","10","1") = "9"
    & skf18("9","8","3","5","5","1","1") = "8"
    & skf18("9","8","3","5","5","2","1") = "8"
    & skf18("9","8","3","5","5","3","1") = "8"
    & skf18("9","8","3","5","5","4","1") = "8"
    & skf18("9","8","3","5","5","5","1") = "8"
    & skf18("9","8","3","5","5","6","1") = "8"
    & skf18("9","8","3","5","5","7","1") = "8"
    & skf18("9","8","3","5","5","8","1") = "8"
    & skf18("9","8","3","5","5","9","1") = "8"
    & skf18("9","8","3","5","5","10","1") = "9"
    & skf18("9","8","3","5","6","1","1") = "8"
    & skf18("9","8","3","5","6","2","1") = "8"
    & skf18("9","8","3","5","6","3","1") = "8"
    & skf18("9","8","3","5","6","4","1") = "8"
    & skf18("9","8","3","5","6","5","1") = "8"
    & skf18("9","8","3","5","6","6","1") = "8"
    & skf18("9","8","3","5","6","7","1") = "8"
    & skf18("9","8","3","5","6","8","1") = "8"
    & skf18("9","8","3","5","6","9","1") = "8"
    & skf18("9","8","3","5","6","10","1") = "9"
    & skf18("9","8","3","5","7","1","1") = "8"
    & skf18("9","8","3","5","7","2","1") = "8"
    & skf18("9","8","3","5","7","3","1") = "8"
    & skf18("9","8","3","5","7","4","1") = "8"
    & skf18("9","8","3","5","7","5","1") = "8"
    & skf18("9","8","3","5","7","6","1") = "8"
    & skf18("9","8","3","5","7","7","1") = "8"
    & skf18("9","8","3","5","7","8","1") = "8"
    & skf18("9","8","3","5","7","9","1") = "8"
    & skf18("9","8","3","5","7","10","1") = "9"
    & skf18("9","8","3","5","8","1","1") = "8"
    & skf18("9","8","3","5","8","2","1") = "8"
    & skf18("9","8","3","5","8","3","1") = "8"
    & skf18("9","8","3","5","8","4","1") = "8"
    & skf18("9","8","3","5","8","5","1") = "8"
    & skf18("9","8","3","5","8","6","1") = "8"
    & skf18("9","8","3","5","8","7","1") = "8"
    & skf18("9","8","3","5","8","8","1") = "8"
    & skf18("9","8","3","5","8","9","1") = "8"
    & skf18("9","8","3","5","8","10","1") = "9"
    & skf18("9","8","3","5","9","1","1") = "8"
    & skf18("9","8","3","5","9","2","1") = "8"
    & skf18("9","8","3","5","9","3","1") = "8"
    & skf18("9","8","3","5","9","4","1") = "8"
    & skf18("9","8","3","5","9","5","1") = "8"
    & skf18("9","8","3","5","9","6","1") = "8"
    & skf18("9","8","3","5","9","7","1") = "8"
    & skf18("9","8","3","5","9","8","1") = "8"
    & skf18("9","8","3","5","9","9","1") = "8"
    & skf18("9","8","3","5","9","10","1") = "9"
    & skf18("9","8","3","5","10","1","1") = "9"
    & skf18("9","8","3","5","10","2","1") = "9"
    & skf18("9","8","3","5","10","3","1") = "9"
    & skf18("9","8","3","5","10","4","1") = "9"
    & skf18("9","8","3","5","10","5","1") = "9"
    & skf18("9","8","3","5","10","6","1") = "9"
    & skf18("9","8","3","5","10","7","1") = "9"
    & skf18("9","8","3","5","10","8","1") = "9"
    & skf18("9","8","3","5","10","9","1") = "9"
    & skf18("9","8","3","5","10","10","1") = "9"
    & skf18("9","8","3","6","1","1","1") = "8"
    & skf18("9","8","3","6","1","2","1") = "8"
    & skf18("9","8","3","6","1","3","1") = "8"
    & skf18("9","8","3","6","1","4","1") = "8"
    & skf18("9","8","3","6","1","5","1") = "8"
    & skf18("9","8","3","6","1","6","1") = "8"
    & skf18("9","8","3","6","1","7","1") = "8"
    & skf18("9","8","3","6","1","8","1") = "8"
    & skf18("9","8","3","6","1","9","1") = "8"
    & skf18("9","8","3","6","1","10","1") = "9"
    & skf18("9","8","3","6","2","1","1") = "8"
    & skf18("9","8","3","6","2","2","1") = "8"
    & skf18("9","8","3","6","2","3","1") = "8"
    & skf18("9","8","3","6","2","4","1") = "8"
    & skf18("9","8","3","6","2","5","1") = "8"
    & skf18("9","8","3","6","2","6","1") = "8"
    & skf18("9","8","3","6","2","7","1") = "8"
    & skf18("9","8","3","6","2","8","1") = "8"
    & skf18("9","8","3","6","2","9","1") = "8"
    & skf18("9","8","3","6","2","10","1") = "9"
    & skf18("9","8","3","6","3","1","1") = "8"
    & skf18("9","8","3","6","3","2","1") = "8"
    & skf18("9","8","3","6","3","3","1") = "8"
    & skf18("9","8","3","6","3","4","1") = "8"
    & skf18("9","8","3","6","3","5","1") = "8"
    & skf18("9","8","3","6","3","6","1") = "8"
    & skf18("9","8","3","6","3","7","1") = "8"
    & skf18("9","8","3","6","3","8","1") = "8"
    & skf18("9","8","3","6","3","9","1") = "8"
    & skf18("9","8","3","6","3","10","1") = "9"
    & skf18("9","8","3","6","4","1","1") = "8"
    & skf18("9","8","3","6","4","2","1") = "8"
    & skf18("9","8","3","6","4","3","1") = "8"
    & skf18("9","8","3","6","4","4","1") = "8"
    & skf18("9","8","3","6","4","5","1") = "8"
    & skf18("9","8","3","6","4","6","1") = "8"
    & skf18("9","8","3","6","4","7","1") = "8"
    & skf18("9","8","3","6","4","8","1") = "8"
    & skf18("9","8","3","6","4","9","1") = "8"
    & skf18("9","8","3","6","4","10","1") = "9"
    & skf18("9","8","3","6","5","1","1") = "8"
    & skf18("9","8","3","6","5","2","1") = "8"
    & skf18("9","8","3","6","5","3","1") = "8"
    & skf18("9","8","3","6","5","4","1") = "8"
    & skf18("9","8","3","6","5","5","1") = "8"
    & skf18("9","8","3","6","5","6","1") = "8"
    & skf18("9","8","3","6","5","7","1") = "8"
    & skf18("9","8","3","6","5","8","1") = "8"
    & skf18("9","8","3","6","5","9","1") = "8"
    & skf18("9","8","3","6","5","10","1") = "9"
    & skf18("9","8","3","6","6","1","1") = "8"
    & skf18("9","8","3","6","6","2","1") = "8"
    & skf18("9","8","3","6","6","3","1") = "8"
    & skf18("9","8","3","6","6","4","1") = "8"
    & skf18("9","8","3","6","6","5","1") = "8"
    & skf18("9","8","3","6","6","6","1") = "8"
    & skf18("9","8","3","6","6","7","1") = "8"
    & skf18("9","8","3","6","6","8","1") = "8"
    & skf18("9","8","3","6","6","9","1") = "8"
    & skf18("9","8","3","6","6","10","1") = "9"
    & skf18("9","8","3","6","7","1","1") = "8"
    & skf18("9","8","3","6","7","2","1") = "8"
    & skf18("9","8","3","6","7","3","1") = "8"
    & skf18("9","8","3","6","7","4","1") = "8"
    & skf18("9","8","3","6","7","5","1") = "8"
    & skf18("9","8","3","6","7","6","1") = "8"
    & skf18("9","8","3","6","7","7","1") = "8"
    & skf18("9","8","3","6","7","8","1") = "8"
    & skf18("9","8","3","6","7","9","1") = "8"
    & skf18("9","8","3","6","7","10","1") = "9"
    & skf18("9","8","3","6","8","1","1") = "8"
    & skf18("9","8","3","6","8","2","1") = "8"
    & skf18("9","8","3","6","8","3","1") = "8"
    & skf18("9","8","3","6","8","4","1") = "8"
    & skf18("9","8","3","6","8","5","1") = "8"
    & skf18("9","8","3","6","8","6","1") = "8"
    & skf18("9","8","3","6","8","7","1") = "8"
    & skf18("9","8","3","6","8","8","1") = "8"
    & skf18("9","8","3","6","8","9","1") = "8"
    & skf18("9","8","3","6","8","10","1") = "9"
    & skf18("9","8","3","6","9","1","1") = "8"
    & skf18("9","8","3","6","9","2","1") = "8"
    & skf18("9","8","3","6","9","3","1") = "8"
    & skf18("9","8","3","6","9","4","1") = "8"
    & skf18("9","8","3","6","9","5","1") = "8"
    & skf18("9","8","3","6","9","6","1") = "8"
    & skf18("9","8","3","6","9","7","1") = "8"
    & skf18("9","8","3","6","9","8","1") = "8"
    & skf18("9","8","3","6","9","9","1") = "8"
    & skf18("9","8","3","6","9","10","1") = "9"
    & skf18("9","8","3","6","10","1","1") = "9"
    & skf18("9","8","3","6","10","2","1") = "9"
    & skf18("9","8","3","6","10","3","1") = "9"
    & skf18("9","8","3","6","10","4","1") = "9"
    & skf18("9","8","3","6","10","5","1") = "9"
    & skf18("9","8","3","6","10","6","1") = "9"
    & skf18("9","8","3","6","10","7","1") = "9"
    & skf18("9","8","3","6","10","8","1") = "9"
    & skf18("9","8","3","6","10","9","1") = "9"
    & skf18("9","8","3","6","10","10","1") = "9"
    & skf18("9","8","3","7","1","1","1") = "8"
    & skf18("9","8","3","7","1","2","1") = "8"
    & skf18("9","8","3","7","1","3","1") = "8"
    & skf18("9","8","3","7","1","4","1") = "8"
    & skf18("9","8","3","7","1","5","1") = "8"
    & skf18("9","8","3","7","1","6","1") = "8"
    & skf18("9","8","3","7","1","7","1") = "8"
    & skf18("9","8","3","7","1","8","1") = "8"
    & skf18("9","8","3","7","1","9","1") = "8"
    & skf18("9","8","3","7","1","10","1") = "9"
    & skf18("9","8","3","7","2","1","1") = "8"
    & skf18("9","8","3","7","2","2","1") = "8"
    & skf18("9","8","3","7","2","3","1") = "8"
    & skf18("9","8","3","7","2","4","1") = "8"
    & skf18("9","8","3","7","2","5","1") = "8"
    & skf18("9","8","3","7","2","6","1") = "8"
    & skf18("9","8","3","7","2","7","1") = "8"
    & skf18("9","8","3","7","2","8","1") = "8"
    & skf18("9","8","3","7","2","9","1") = "8"
    & skf18("9","8","3","7","2","10","1") = "9"
    & skf18("9","8","3","7","3","1","1") = "8"
    & skf18("9","8","3","7","3","2","1") = "8"
    & skf18("9","8","3","7","3","3","1") = "8"
    & skf18("9","8","3","7","3","4","1") = "8"
    & skf18("9","8","3","7","3","5","1") = "8"
    & skf18("9","8","3","7","3","6","1") = "8"
    & skf18("9","8","3","7","3","7","1") = "8"
    & skf18("9","8","3","7","3","8","1") = "8"
    & skf18("9","8","3","7","3","9","1") = "8"
    & skf18("9","8","3","7","3","10","1") = "9"
    & skf18("9","8","3","7","4","1","1") = "8"
    & skf18("9","8","3","7","4","2","1") = "8"
    & skf18("9","8","3","7","4","3","1") = "8"
    & skf18("9","8","3","7","4","4","1") = "8"
    & skf18("9","8","3","7","4","5","1") = "8"
    & skf18("9","8","3","7","4","6","1") = "8"
    & skf18("9","8","3","7","4","7","1") = "8"
    & skf18("9","8","3","7","4","8","1") = "8"
    & skf18("9","8","3","7","4","9","1") = "8"
    & skf18("9","8","3","7","4","10","1") = "9"
    & skf18("9","8","3","7","5","1","1") = "8"
    & skf18("9","8","3","7","5","2","1") = "8"
    & skf18("9","8","3","7","5","3","1") = "8"
    & skf18("9","8","3","7","5","4","1") = "8"
    & skf18("9","8","3","7","5","5","1") = "8"
    & skf18("9","8","3","7","5","6","1") = "8"
    & skf18("9","8","3","7","5","7","1") = "8"
    & skf18("9","8","3","7","5","8","1") = "8"
    & skf18("9","8","3","7","5","9","1") = "8"
    & skf18("9","8","3","7","5","10","1") = "9"
    & skf18("9","8","3","7","6","1","1") = "8"
    & skf18("9","8","3","7","6","2","1") = "8"
    & skf18("9","8","3","7","6","3","1") = "8"
    & skf18("9","8","3","7","6","4","1") = "8"
    & skf18("9","8","3","7","6","5","1") = "8"
    & skf18("9","8","3","7","6","6","1") = "8"
    & skf18("9","8","3","7","6","7","1") = "8"
    & skf18("9","8","3","7","6","8","1") = "8"
    & skf18("9","8","3","7","6","9","1") = "8"
    & skf18("9","8","3","7","6","10","1") = "9"
    & skf18("9","8","3","7","7","1","1") = "8"
    & skf18("9","8","3","7","7","2","1") = "8"
    & skf18("9","8","3","7","7","3","1") = "8"
    & skf18("9","8","3","7","7","4","1") = "8"
    & skf18("9","8","3","7","7","5","1") = "8"
    & skf18("9","8","3","7","7","6","1") = "8"
    & skf18("9","8","3","7","7","7","1") = "8"
    & skf18("9","8","3","7","7","8","1") = "8"
    & skf18("9","8","3","7","7","9","1") = "8"
    & skf18("9","8","3","7","7","10","1") = "9"
    & skf18("9","8","3","7","8","1","1") = "8"
    & skf18("9","8","3","7","8","2","1") = "8"
    & skf18("9","8","3","7","8","3","1") = "8"
    & skf18("9","8","3","7","8","4","1") = "8"
    & skf18("9","8","3","7","8","5","1") = "8"
    & skf18("9","8","3","7","8","6","1") = "8"
    & skf18("9","8","3","7","8","7","1") = "8"
    & skf18("9","8","3","7","8","8","1") = "8"
    & skf18("9","8","3","7","8","9","1") = "8"
    & skf18("9","8","3","7","8","10","1") = "9"
    & skf18("9","8","3","7","9","1","1") = "8"
    & skf18("9","8","3","7","9","2","1") = "8"
    & skf18("9","8","3","7","9","3","1") = "8"
    & skf18("9","8","3","7","9","4","1") = "8"
    & skf18("9","8","3","7","9","5","1") = "8"
    & skf18("9","8","3","7","9","6","1") = "8"
    & skf18("9","8","3","7","9","7","1") = "8"
    & skf18("9","8","3","7","9","8","1") = "8"
    & skf18("9","8","3","7","9","9","1") = "8"
    & skf18("9","8","3","7","9","10","1") = "9"
    & skf18("9","8","3","7","10","1","1") = "9"
    & skf18("9","8","3","7","10","2","1") = "9"
    & skf18("9","8","3","7","10","3","1") = "9"
    & skf18("9","8","3","7","10","4","1") = "9"
    & skf18("9","8","3","7","10","5","1") = "9"
    & skf18("9","8","3","7","10","6","1") = "9"
    & skf18("9","8","3","7","10","7","1") = "9"
    & skf18("9","8","3","7","10","8","1") = "9"
    & skf18("9","8","3","7","10","9","1") = "9"
    & skf18("9","8","3","7","10","10","1") = "9"
    & skf18("9","8","3","8","1","1","1") = "8"
    & skf18("9","8","3","8","1","2","1") = "8"
    & skf18("9","8","3","8","1","3","1") = "8"
    & skf18("9","8","3","8","1","4","1") = "8"
    & skf18("9","8","3","8","1","5","1") = "8"
    & skf18("9","8","3","8","1","6","1") = "8"
    & skf18("9","8","3","8","1","7","1") = "8"
    & skf18("9","8","3","8","1","8","1") = "8"
    & skf18("9","8","3","8","1","9","1") = "8"
    & skf18("9","8","3","8","1","10","1") = "9"
    & skf18("9","8","3","8","2","1","1") = "8"
    & skf18("9","8","3","8","2","2","1") = "8"
    & skf18("9","8","3","8","2","3","1") = "8"
    & skf18("9","8","3","8","2","4","1") = "8"
    & skf18("9","8","3","8","2","5","1") = "8"
    & skf18("9","8","3","8","2","6","1") = "8"
    & skf18("9","8","3","8","2","7","1") = "8"
    & skf18("9","8","3","8","2","8","1") = "8"
    & skf18("9","8","3","8","2","9","1") = "8"
    & skf18("9","8","3","8","2","10","1") = "9"
    & skf18("9","8","3","8","3","1","1") = "8"
    & skf18("9","8","3","8","3","2","1") = "8"
    & skf18("9","8","3","8","3","3","1") = "8"
    & skf18("9","8","3","8","3","4","1") = "8"
    & skf18("9","8","3","8","3","5","1") = "8"
    & skf18("9","8","3","8","3","6","1") = "8"
    & skf18("9","8","3","8","3","7","1") = "8"
    & skf18("9","8","3","8","3","8","1") = "8"
    & skf18("9","8","3","8","3","9","1") = "8"
    & skf18("9","8","3","8","3","10","1") = "9"
    & skf18("9","8","3","8","4","1","1") = "8"
    & skf18("9","8","3","8","4","2","1") = "8"
    & skf18("9","8","3","8","4","3","1") = "8"
    & skf18("9","8","3","8","4","4","1") = "8"
    & skf18("9","8","3","8","4","5","1") = "8"
    & skf18("9","8","3","8","4","6","1") = "8"
    & skf18("9","8","3","8","4","7","1") = "8"
    & skf18("9","8","3","8","4","8","1") = "8"
    & skf18("9","8","3","8","4","9","1") = "8"
    & skf18("9","8","3","8","4","10","1") = "9"
    & skf18("9","8","3","8","5","1","1") = "8"
    & skf18("9","8","3","8","5","2","1") = "8"
    & skf18("9","8","3","8","5","3","1") = "8"
    & skf18("9","8","3","8","5","4","1") = "8"
    & skf18("9","8","3","8","5","5","1") = "8"
    & skf18("9","8","3","8","5","6","1") = "8"
    & skf18("9","8","3","8","5","7","1") = "8"
    & skf18("9","8","3","8","5","8","1") = "8"
    & skf18("9","8","3","8","5","9","1") = "8"
    & skf18("9","8","3","8","5","10","1") = "9"
    & skf18("9","8","3","8","6","1","1") = "8"
    & skf18("9","8","3","8","6","2","1") = "8"
    & skf18("9","8","3","8","6","3","1") = "8"
    & skf18("9","8","3","8","6","4","1") = "8"
    & skf18("9","8","3","8","6","5","1") = "8"
    & skf18("9","8","3","8","6","6","1") = "8"
    & skf18("9","8","3","8","6","7","1") = "8"
    & skf18("9","8","3","8","6","8","1") = "8"
    & skf18("9","8","3","8","6","9","1") = "8"
    & skf18("9","8","3","8","6","10","1") = "9"
    & skf18("9","8","3","8","7","1","1") = "8"
    & skf18("9","8","3","8","7","2","1") = "8"
    & skf18("9","8","3","8","7","3","1") = "8"
    & skf18("9","8","3","8","7","4","1") = "8"
    & skf18("9","8","3","8","7","5","1") = "8"
    & skf18("9","8","3","8","7","6","1") = "8"
    & skf18("9","8","3","8","7","7","1") = "8"
    & skf18("9","8","3","8","7","8","1") = "8"
    & skf18("9","8","3","8","7","9","1") = "8"
    & skf18("9","8","3","8","7","10","1") = "9"
    & skf18("9","8","3","8","8","1","1") = "8"
    & skf18("9","8","3","8","8","2","1") = "8"
    & skf18("9","8","3","8","8","3","1") = "8"
    & skf18("9","8","3","8","8","4","1") = "8"
    & skf18("9","8","3","8","8","5","1") = "8"
    & skf18("9","8","3","8","8","6","1") = "8"
    & skf18("9","8","3","8","8","7","1") = "8"
    & skf18("9","8","3","8","8","8","1") = "8"
    & skf18("9","8","3","8","8","9","1") = "8"
    & skf18("9","8","3","8","8","10","1") = "9"
    & skf18("9","8","3","8","9","1","1") = "8"
    & skf18("9","8","3","8","9","2","1") = "8"
    & skf18("9","8","3","8","9","3","1") = "8"
    & skf18("9","8","3","8","9","4","1") = "8"
    & skf18("9","8","3","8","9","5","1") = "8"
    & skf18("9","8","3","8","9","6","1") = "8"
    & skf18("9","8","3","8","9","7","1") = "8"
    & skf18("9","8","3","8","9","8","1") = "8"
    & skf18("9","8","3","8","9","9","1") = "8"
    & skf18("9","8","3","8","9","10","1") = "9"
    & skf18("9","8","3","8","10","1","1") = "9"
    & skf18("9","8","3","8","10","2","1") = "9"
    & skf18("9","8","3","8","10","3","1") = "9"
    & skf18("9","8","3","8","10","4","1") = "9"
    & skf18("9","8","3","8","10","5","1") = "9"
    & skf18("9","8","3","8","10","6","1") = "9"
    & skf18("9","8","3","8","10","7","1") = "9"
    & skf18("9","8","3","8","10","8","1") = "9"
    & skf18("9","8","3","8","10","9","1") = "9"
    & skf18("9","8","3","8","10","10","1") = "9"
    & skf18("9","8","3","9","1","1","1") = "8"
    & skf18("9","8","3","9","1","2","1") = "8"
    & skf18("9","8","3","9","1","3","1") = "8"
    & skf18("9","8","3","9","1","4","1") = "8"
    & skf18("9","8","3","9","1","5","1") = "8"
    & skf18("9","8","3","9","1","6","1") = "8"
    & skf18("9","8","3","9","1","7","1") = "8"
    & skf18("9","8","3","9","1","8","1") = "8"
    & skf18("9","8","3","9","1","9","1") = "8"
    & skf18("9","8","3","9","1","10","1") = "9"
    & skf18("9","8","3","9","2","1","1") = "8"
    & skf18("9","8","3","9","2","2","1") = "8"
    & skf18("9","8","3","9","2","3","1") = "8"
    & skf18("9","8","3","9","2","4","1") = "8"
    & skf18("9","8","3","9","2","5","1") = "8"
    & skf18("9","8","3","9","2","6","1") = "8"
    & skf18("9","8","3","9","2","7","1") = "8"
    & skf18("9","8","3","9","2","8","1") = "8"
    & skf18("9","8","3","9","2","9","1") = "8"
    & skf18("9","8","3","9","2","10","1") = "9"
    & skf18("9","8","3","9","3","1","1") = "8"
    & skf18("9","8","3","9","3","2","1") = "8"
    & skf18("9","8","3","9","3","3","1") = "8"
    & skf18("9","8","3","9","3","4","1") = "8"
    & skf18("9","8","3","9","3","5","1") = "8"
    & skf18("9","8","3","9","3","6","1") = "8"
    & skf18("9","8","3","9","3","7","1") = "8"
    & skf18("9","8","3","9","3","8","1") = "8"
    & skf18("9","8","3","9","3","9","1") = "8"
    & skf18("9","8","3","9","3","10","1") = "9"
    & skf18("9","8","3","9","4","1","1") = "8"
    & skf18("9","8","3","9","4","2","1") = "8"
    & skf18("9","8","3","9","4","3","1") = "8"
    & skf18("9","8","3","9","4","4","1") = "8"
    & skf18("9","8","3","9","4","5","1") = "8"
    & skf18("9","8","3","9","4","6","1") = "8"
    & skf18("9","8","3","9","4","7","1") = "8"
    & skf18("9","8","3","9","4","8","1") = "8"
    & skf18("9","8","3","9","4","9","1") = "8"
    & skf18("9","8","3","9","4","10","1") = "9"
    & skf18("9","8","3","9","5","1","1") = "8"
    & skf18("9","8","3","9","5","2","1") = "8"
    & skf18("9","8","3","9","5","3","1") = "8"
    & skf18("9","8","3","9","5","4","1") = "8"
    & skf18("9","8","3","9","5","5","1") = "8"
    & skf18("9","8","3","9","5","6","1") = "8"
    & skf18("9","8","3","9","5","7","1") = "8"
    & skf18("9","8","3","9","5","8","1") = "8"
    & skf18("9","8","3","9","5","9","1") = "8"
    & skf18("9","8","3","9","5","10","1") = "9"
    & skf18("9","8","3","9","6","1","1") = "8"
    & skf18("9","8","3","9","6","2","1") = "8"
    & skf18("9","8","3","9","6","3","1") = "8"
    & skf18("9","8","3","9","6","4","1") = "8"
    & skf18("9","8","3","9","6","5","1") = "8"
    & skf18("9","8","3","9","6","6","1") = "8"
    & skf18("9","8","3","9","6","7","1") = "8"
    & skf18("9","8","3","9","6","8","1") = "8"
    & skf18("9","8","3","9","6","9","1") = "8"
    & skf18("9","8","3","9","6","10","1") = "9"
    & skf18("9","8","3","9","7","1","1") = "8"
    & skf18("9","8","3","9","7","2","1") = "8"
    & skf18("9","8","3","9","7","3","1") = "8"
    & skf18("9","8","3","9","7","4","1") = "8"
    & skf18("9","8","3","9","7","5","1") = "8"
    & skf18("9","8","3","9","7","6","1") = "8"
    & skf18("9","8","3","9","7","7","1") = "8"
    & skf18("9","8","3","9","7","8","1") = "8"
    & skf18("9","8","3","9","7","9","1") = "8"
    & skf18("9","8","3","9","7","10","1") = "9"
    & skf18("9","8","3","9","8","1","1") = "8"
    & skf18("9","8","3","9","8","2","1") = "8"
    & skf18("9","8","3","9","8","3","1") = "8"
    & skf18("9","8","3","9","8","4","1") = "8"
    & skf18("9","8","3","9","8","5","1") = "8"
    & skf18("9","8","3","9","8","6","1") = "8"
    & skf18("9","8","3","9","8","7","1") = "8"
    & skf18("9","8","3","9","8","8","1") = "8"
    & skf18("9","8","3","9","8","9","1") = "8"
    & skf18("9","8","3","9","8","10","1") = "9"
    & skf18("9","8","3","9","9","1","1") = "8"
    & skf18("9","8","3","9","9","2","1") = "8"
    & skf18("9","8","3","9","9","3","1") = "8"
    & skf18("9","8","3","9","9","4","1") = "8"
    & skf18("9","8","3","9","9","5","1") = "8"
    & skf18("9","8","3","9","9","6","1") = "8"
    & skf18("9","8","3","9","9","7","1") = "8"
    & skf18("9","8","3","9","9","8","1") = "8"
    & skf18("9","8","3","9","9","9","1") = "8"
    & skf18("9","8","3","9","9","10","1") = "9"
    & skf18("9","8","3","9","10","1","1") = "9"
    & skf18("9","8","3","9","10","2","1") = "9"
    & skf18("9","8","3","9","10","3","1") = "9"
    & skf18("9","8","3","9","10","4","1") = "9"
    & skf18("9","8","3","9","10","5","1") = "9"
    & skf18("9","8","3","9","10","6","1") = "9"
    & skf18("9","8","3","9","10","7","1") = "9"
    & skf18("9","8","3","9","10","8","1") = "9"
    & skf18("9","8","3","9","10","9","1") = "9"
    & skf18("9","8","3","9","10","10","1") = "9"
    & skf18("9","8","3","10","1","1","1") = "9"
    & skf18("9","8","3","10","1","2","1") = "9"
    & skf18("9","8","3","10","1","3","1") = "9"
    & skf18("9","8","3","10","1","4","1") = "9"
    & skf18("9","8","3","10","1","5","1") = "9"
    & skf18("9","8","3","10","1","6","1") = "9"
    & skf18("9","8","3","10","1","7","1") = "9"
    & skf18("9","8","3","10","1","8","1") = "9"
    & skf18("9","8","3","10","1","9","1") = "9"
    & skf18("9","8","3","10","1","10","1") = "9"
    & skf18("9","8","3","10","2","1","1") = "9"
    & skf18("9","8","3","10","2","2","1") = "9"
    & skf18("9","8","3","10","2","3","1") = "9"
    & skf18("9","8","3","10","2","4","1") = "9"
    & skf18("9","8","3","10","2","5","1") = "9"
    & skf18("9","8","3","10","2","6","1") = "9"
    & skf18("9","8","3","10","2","7","1") = "9"
    & skf18("9","8","3","10","2","8","1") = "9"
    & skf18("9","8","3","10","2","9","1") = "9"
    & skf18("9","8","3","10","2","10","1") = "9"
    & skf18("9","8","3","10","3","1","1") = "9"
    & skf18("9","8","3","10","3","2","1") = "9"
    & skf18("9","8","3","10","3","3","1") = "9"
    & skf18("9","8","3","10","3","4","1") = "9"
    & skf18("9","8","3","10","3","5","1") = "9"
    & skf18("9","8","3","10","3","6","1") = "9"
    & skf18("9","8","3","10","3","7","1") = "9"
    & skf18("9","8","3","10","3","8","1") = "9"
    & skf18("9","8","3","10","3","9","1") = "9"
    & skf18("9","8","3","10","3","10","1") = "9"
    & skf18("9","8","3","10","4","1","1") = "9"
    & skf18("9","8","3","10","4","2","1") = "9"
    & skf18("9","8","3","10","4","3","1") = "9"
    & skf18("9","8","3","10","4","4","1") = "9"
    & skf18("9","8","3","10","4","5","1") = "9"
    & skf18("9","8","3","10","4","6","1") = "9"
    & skf18("9","8","3","10","4","7","1") = "9"
    & skf18("9","8","3","10","4","8","1") = "9"
    & skf18("9","8","3","10","4","9","1") = "9"
    & skf18("9","8","3","10","4","10","1") = "9"
    & skf18("9","8","3","10","5","1","1") = "9"
    & skf18("9","8","3","10","5","2","1") = "9"
    & skf18("9","8","3","10","5","3","1") = "9"
    & skf18("9","8","3","10","5","4","1") = "9"
    & skf18("9","8","3","10","5","5","1") = "9"
    & skf18("9","8","3","10","5","6","1") = "9"
    & skf18("9","8","3","10","5","7","1") = "9"
    & skf18("9","8","3","10","5","8","1") = "9"
    & skf18("9","8","3","10","5","9","1") = "9"
    & skf18("9","8","3","10","5","10","1") = "9"
    & skf18("9","8","3","10","6","1","1") = "9"
    & skf18("9","8","3","10","6","2","1") = "9"
    & skf18("9","8","3","10","6","3","1") = "9"
    & skf18("9","8","3","10","6","4","1") = "9"
    & skf18("9","8","3","10","6","5","1") = "9"
    & skf18("9","8","3","10","6","6","1") = "9"
    & skf18("9","8","3","10","6","7","1") = "9"
    & skf18("9","8","3","10","6","8","1") = "9"
    & skf18("9","8","3","10","6","9","1") = "9"
    & skf18("9","8","3","10","6","10","1") = "9"
    & skf18("9","8","3","10","7","1","1") = "9"
    & skf18("9","8","3","10","7","2","1") = "9"
    & skf18("9","8","3","10","7","3","1") = "9"
    & skf18("9","8","3","10","7","4","1") = "9"
    & skf18("9","8","3","10","7","5","1") = "9"
    & skf18("9","8","3","10","7","6","1") = "9"
    & skf18("9","8","3","10","7","7","1") = "9"
    & skf18("9","8","3","10","7","8","1") = "9"
    & skf18("9","8","3","10","7","9","1") = "9"
    & skf18("9","8","3","10","7","10","1") = "9"
    & skf18("9","8","3","10","8","1","1") = "9"
    & skf18("9","8","3","10","8","2","1") = "9"
    & skf18("9","8","3","10","8","3","1") = "9"
    & skf18("9","8","3","10","8","4","1") = "9"
    & skf18("9","8","3","10","8","5","1") = "9"
    & skf18("9","8","3","10","8","6","1") = "9"
    & skf18("9","8","3","10","8","7","1") = "9"
    & skf18("9","8","3","10","8","8","1") = "9"
    & skf18("9","8","3","10","8","9","1") = "9"
    & skf18("9","8","3","10","8","10","1") = "9"
    & skf18("9","8","3","10","9","1","1") = "9"
    & skf18("9","8","3","10","9","2","1") = "9"
    & skf18("9","8","3","10","9","3","1") = "9"
    & skf18("9","8","3","10","9","4","1") = "9"
    & skf18("9","8","3","10","9","5","1") = "9"
    & skf18("9","8","3","10","9","6","1") = "9"
    & skf18("9","8","3","10","9","7","1") = "9"
    & skf18("9","8","3","10","9","8","1") = "9"
    & skf18("9","8","3","10","9","9","1") = "9"
    & skf18("9","8","3","10","9","10","1") = "9"
    & skf18("9","8","3","10","10","1","1") = "9"
    & skf18("9","8","3","10","10","2","1") = "9"
    & skf18("9","8","3","10","10","3","1") = "9"
    & skf18("9","8","3","10","10","4","1") = "9"
    & skf18("9","8","3","10","10","5","1") = "9"
    & skf18("9","8","3","10","10","6","1") = "9"
    & skf18("9","8","3","10","10","7","1") = "9"
    & skf18("9","8","3","10","10","8","1") = "9"
    & skf18("9","8","3","10","10","9","1") = "9"
    & skf18("9","8","3","10","10","10","1") = "9"
    & skf18("9","8","4","1","1","1","1") = "8"
    & skf18("9","8","4","1","1","2","1") = "8"
    & skf18("9","8","4","1","1","3","1") = "8"
    & skf18("9","8","4","1","1","4","1") = "8"
    & skf18("9","8","4","1","1","5","1") = "8"
    & skf18("9","8","4","1","1","6","1") = "8"
    & skf18("9","8","4","1","1","7","1") = "8"
    & skf18("9","8","4","1","1","8","1") = "8"
    & skf18("9","8","4","1","1","9","1") = "8"
    & skf18("9","8","4","1","1","10","1") = "9"
    & skf18("9","8","4","1","2","1","1") = "8"
    & skf18("9","8","4","1","2","2","1") = "8"
    & skf18("9","8","4","1","2","3","1") = "8"
    & skf18("9","8","4","1","2","4","1") = "8"
    & skf18("9","8","4","1","2","5","1") = "8"
    & skf18("9","8","4","1","2","6","1") = "8"
    & skf18("9","8","4","1","2","7","1") = "8"
    & skf18("9","8","4","1","2","8","1") = "8"
    & skf18("9","8","4","1","2","9","1") = "8"
    & skf18("9","8","4","1","2","10","1") = "9"
    & skf18("9","8","4","1","3","1","1") = "8"
    & skf18("9","8","4","1","3","2","1") = "8"
    & skf18("9","8","4","1","3","3","1") = "8"
    & skf18("9","8","4","1","3","4","1") = "8"
    & skf18("9","8","4","1","3","5","1") = "8"
    & skf18("9","8","4","1","3","6","1") = "8"
    & skf18("9","8","4","1","3","7","1") = "8"
    & skf18("9","8","4","1","3","8","1") = "8"
    & skf18("9","8","4","1","3","9","1") = "8"
    & skf18("9","8","4","1","3","10","1") = "9"
    & skf18("9","8","4","1","4","1","1") = "8"
    & skf18("9","8","4","1","4","2","1") = "8"
    & skf18("9","8","4","1","4","3","1") = "8"
    & skf18("9","8","4","1","4","4","1") = "8"
    & skf18("9","8","4","1","4","5","1") = "8"
    & skf18("9","8","4","1","4","6","1") = "8"
    & skf18("9","8","4","1","4","7","1") = "8"
    & skf18("9","8","4","1","4","8","1") = "8"
    & skf18("9","8","4","1","4","9","1") = "8"
    & skf18("9","8","4","1","4","10","1") = "9"
    & skf18("9","8","4","1","5","1","1") = "8"
    & skf18("9","8","4","1","5","2","1") = "8"
    & skf18("9","8","4","1","5","3","1") = "8"
    & skf18("9","8","4","1","5","4","1") = "8"
    & skf18("9","8","4","1","5","5","1") = "8"
    & skf18("9","8","4","1","5","6","1") = "8"
    & skf18("9","8","4","1","5","7","1") = "8"
    & skf18("9","8","4","1","5","8","1") = "8"
    & skf18("9","8","4","1","5","9","1") = "8"
    & skf18("9","8","4","1","5","10","1") = "9"
    & skf18("9","8","4","1","6","1","1") = "8"
    & skf18("9","8","4","1","6","2","1") = "8"
    & skf18("9","8","4","1","6","3","1") = "8"
    & skf18("9","8","4","1","6","4","1") = "8"
    & skf18("9","8","4","1","6","5","1") = "8"
    & skf18("9","8","4","1","6","6","1") = "8"
    & skf18("9","8","4","1","6","7","1") = "8"
    & skf18("9","8","4","1","6","8","1") = "8"
    & skf18("9","8","4","1","6","9","1") = "8"
    & skf18("9","8","4","1","6","10","1") = "9"
    & skf18("9","8","4","1","7","1","1") = "8"
    & skf18("9","8","4","1","7","2","1") = "8"
    & skf18("9","8","4","1","7","3","1") = "8"
    & skf18("9","8","4","1","7","4","1") = "8"
    & skf18("9","8","4","1","7","5","1") = "8"
    & skf18("9","8","4","1","7","6","1") = "8"
    & skf18("9","8","4","1","7","7","1") = "8"
    & skf18("9","8","4","1","7","8","1") = "8"
    & skf18("9","8","4","1","7","9","1") = "8"
    & skf18("9","8","4","1","7","10","1") = "9"
    & skf18("9","8","4","1","8","1","1") = "8"
    & skf18("9","8","4","1","8","2","1") = "8"
    & skf18("9","8","4","1","8","3","1") = "8"
    & skf18("9","8","4","1","8","4","1") = "8"
    & skf18("9","8","4","1","8","5","1") = "8"
    & skf18("9","8","4","1","8","6","1") = "8"
    & skf18("9","8","4","1","8","7","1") = "8"
    & skf18("9","8","4","1","8","8","1") = "8"
    & skf18("9","8","4","1","8","9","1") = "8"
    & skf18("9","8","4","1","8","10","1") = "9"
    & skf18("9","8","4","1","9","1","1") = "8"
    & skf18("9","8","4","1","9","2","1") = "8"
    & skf18("9","8","4","1","9","3","1") = "8"
    & skf18("9","8","4","1","9","4","1") = "8"
    & skf18("9","8","4","1","9","5","1") = "8"
    & skf18("9","8","4","1","9","6","1") = "8"
    & skf18("9","8","4","1","9","7","1") = "8"
    & skf18("9","8","4","1","9","8","1") = "8"
    & skf18("9","8","4","1","9","9","1") = "8"
    & skf18("9","8","4","1","9","10","1") = "9"
    & skf18("9","8","4","1","10","1","1") = "9"
    & skf18("9","8","4","1","10","2","1") = "9"
    & skf18("9","8","4","1","10","3","1") = "9"
    & skf18("9","8","4","1","10","4","1") = "9"
    & skf18("9","8","4","1","10","5","1") = "9"
    & skf18("9","8","4","1","10","6","1") = "9"
    & skf18("9","8","4","1","10","7","1") = "9"
    & skf18("9","8","4","1","10","8","1") = "9"
    & skf18("9","8","4","1","10","9","1") = "9"
    & skf18("9","8","4","1","10","10","1") = "9"
    & skf18("9","8","4","2","1","1","1") = "8"
    & skf18("9","8","4","2","1","2","1") = "8"
    & skf18("9","8","4","2","1","3","1") = "8"
    & skf18("9","8","4","2","1","4","1") = "8"
    & skf18("9","8","4","2","1","5","1") = "8"
    & skf18("9","8","4","2","1","6","1") = "8"
    & skf18("9","8","4","2","1","7","1") = "8"
    & skf18("9","8","4","2","1","8","1") = "8"
    & skf18("9","8","4","2","1","9","1") = "8"
    & skf18("9","8","4","2","1","10","1") = "9"
    & skf18("9","8","4","2","2","1","1") = "8"
    & skf18("9","8","4","2","2","2","1") = "8"
    & skf18("9","8","4","2","2","3","1") = "8"
    & skf18("9","8","4","2","2","4","1") = "8"
    & skf18("9","8","4","2","2","5","1") = "8"
    & skf18("9","8","4","2","2","6","1") = "8"
    & skf18("9","8","4","2","2","7","1") = "8"
    & skf18("9","8","4","2","2","8","1") = "8"
    & skf18("9","8","4","2","2","9","1") = "8"
    & skf18("9","8","4","2","2","10","1") = "9"
    & skf18("9","8","4","2","3","1","1") = "8"
    & skf18("9","8","4","2","3","2","1") = "8"
    & skf18("9","8","4","2","3","3","1") = "8"
    & skf18("9","8","4","2","3","4","1") = "8"
    & skf18("9","8","4","2","3","5","1") = "8"
    & skf18("9","8","4","2","3","6","1") = "8"
    & skf18("9","8","4","2","3","7","1") = "8"
    & skf18("9","8","4","2","3","8","1") = "8"
    & skf18("9","8","4","2","3","9","1") = "8"
    & skf18("9","8","4","2","3","10","1") = "9"
    & skf18("9","8","4","2","4","1","1") = "8"
    & skf18("9","8","4","2","4","2","1") = "8"
    & skf18("9","8","4","2","4","3","1") = "8"
    & skf18("9","8","4","2","4","4","1") = "8"
    & skf18("9","8","4","2","4","5","1") = "8"
    & skf18("9","8","4","2","4","6","1") = "8"
    & skf18("9","8","4","2","4","7","1") = "8"
    & skf18("9","8","4","2","4","8","1") = "8"
    & skf18("9","8","4","2","4","9","1") = "8"
    & skf18("9","8","4","2","4","10","1") = "9"
    & skf18("9","8","4","2","5","1","1") = "8"
    & skf18("9","8","4","2","5","2","1") = "8"
    & skf18("9","8","4","2","5","3","1") = "8"
    & skf18("9","8","4","2","5","4","1") = "8"
    & skf18("9","8","4","2","5","5","1") = "8"
    & skf18("9","8","4","2","5","6","1") = "8"
    & skf18("9","8","4","2","5","7","1") = "8"
    & skf18("9","8","4","2","5","8","1") = "8"
    & skf18("9","8","4","2","5","9","1") = "8"
    & skf18("9","8","4","2","5","10","1") = "9"
    & skf18("9","8","4","2","6","1","1") = "8"
    & skf18("9","8","4","2","6","2","1") = "8"
    & skf18("9","8","4","2","6","3","1") = "8"
    & skf18("9","8","4","2","6","4","1") = "8"
    & skf18("9","8","4","2","6","5","1") = "8"
    & skf18("9","8","4","2","6","6","1") = "8"
    & skf18("9","8","4","2","6","7","1") = "8"
    & skf18("9","8","4","2","6","8","1") = "8"
    & skf18("9","8","4","2","6","9","1") = "8"
    & skf18("9","8","4","2","6","10","1") = "9"
    & skf18("9","8","4","2","7","1","1") = "8"
    & skf18("9","8","4","2","7","2","1") = "8"
    & skf18("9","8","4","2","7","3","1") = "8"
    & skf18("9","8","4","2","7","4","1") = "8"
    & skf18("9","8","4","2","7","5","1") = "8"
    & skf18("9","8","4","2","7","6","1") = "8"
    & skf18("9","8","4","2","7","7","1") = "8"
    & skf18("9","8","4","2","7","8","1") = "8"
    & skf18("9","8","4","2","7","9","1") = "8"
    & skf18("9","8","4","2","7","10","1") = "9"
    & skf18("9","8","4","2","8","1","1") = "8"
    & skf18("9","8","4","2","8","2","1") = "8"
    & skf18("9","8","4","2","8","3","1") = "8"
    & skf18("9","8","4","2","8","4","1") = "8"
    & skf18("9","8","4","2","8","5","1") = "8"
    & skf18("9","8","4","2","8","6","1") = "8"
    & skf18("9","8","4","2","8","7","1") = "8"
    & skf18("9","8","4","2","8","8","1") = "8"
    & skf18("9","8","4","2","8","9","1") = "8"
    & skf18("9","8","4","2","8","10","1") = "9"
    & skf18("9","8","4","2","9","1","1") = "8"
    & skf18("9","8","4","2","9","2","1") = "8"
    & skf18("9","8","4","2","9","3","1") = "8"
    & skf18("9","8","4","2","9","4","1") = "8"
    & skf18("9","8","4","2","9","5","1") = "8"
    & skf18("9","8","4","2","9","6","1") = "8"
    & skf18("9","8","4","2","9","7","1") = "8"
    & skf18("9","8","4","2","9","8","1") = "8"
    & skf18("9","8","4","2","9","9","1") = "8"
    & skf18("9","8","4","2","9","10","1") = "9"
    & skf18("9","8","4","2","10","1","1") = "9"
    & skf18("9","8","4","2","10","2","1") = "9"
    & skf18("9","8","4","2","10","3","1") = "9"
    & skf18("9","8","4","2","10","4","1") = "9"
    & skf18("9","8","4","2","10","5","1") = "9"
    & skf18("9","8","4","2","10","6","1") = "9"
    & skf18("9","8","4","2","10","7","1") = "9"
    & skf18("9","8","4","2","10","8","1") = "9"
    & skf18("9","8","4","2","10","9","1") = "9"
    & skf18("9","8","4","2","10","10","1") = "9"
    & skf18("9","8","4","3","1","1","1") = "8"
    & skf18("9","8","4","3","1","2","1") = "8"
    & skf18("9","8","4","3","1","3","1") = "8"
    & skf18("9","8","4","3","1","4","1") = "8"
    & skf18("9","8","4","3","1","5","1") = "8"
    & skf18("9","8","4","3","1","6","1") = "8"
    & skf18("9","8","4","3","1","7","1") = "8"
    & skf18("9","8","4","3","1","8","1") = "8"
    & skf18("9","8","4","3","1","9","1") = "8"
    & skf18("9","8","4","3","1","10","1") = "9"
    & skf18("9","8","4","3","2","1","1") = "8"
    & skf18("9","8","4","3","2","2","1") = "8"
    & skf18("9","8","4","3","2","3","1") = "8"
    & skf18("9","8","4","3","2","4","1") = "8"
    & skf18("9","8","4","3","2","5","1") = "8"
    & skf18("9","8","4","3","2","6","1") = "8"
    & skf18("9","8","4","3","2","7","1") = "8"
    & skf18("9","8","4","3","2","8","1") = "8"
    & skf18("9","8","4","3","2","9","1") = "8"
    & skf18("9","8","4","3","2","10","1") = "9"
    & skf18("9","8","4","3","3","1","1") = "8"
    & skf18("9","8","4","3","3","2","1") = "8"
    & skf18("9","8","4","3","3","3","1") = "8"
    & skf18("9","8","4","3","3","4","1") = "8"
    & skf18("9","8","4","3","3","5","1") = "8"
    & skf18("9","8","4","3","3","6","1") = "8"
    & skf18("9","8","4","3","3","7","1") = "8"
    & skf18("9","8","4","3","3","8","1") = "8"
    & skf18("9","8","4","3","3","9","1") = "8"
    & skf18("9","8","4","3","3","10","1") = "9"
    & skf18("9","8","4","3","4","1","1") = "8"
    & skf18("9","8","4","3","4","2","1") = "8"
    & skf18("9","8","4","3","4","3","1") = "8"
    & skf18("9","8","4","3","4","4","1") = "8"
    & skf18("9","8","4","3","4","5","1") = "8"
    & skf18("9","8","4","3","4","6","1") = "8"
    & skf18("9","8","4","3","4","7","1") = "8"
    & skf18("9","8","4","3","4","8","1") = "8"
    & skf18("9","8","4","3","4","9","1") = "8"
    & skf18("9","8","4","3","4","10","1") = "9"
    & skf18("9","8","4","3","5","1","1") = "8"
    & skf18("9","8","4","3","5","2","1") = "8"
    & skf18("9","8","4","3","5","3","1") = "8"
    & skf18("9","8","4","3","5","4","1") = "8"
    & skf18("9","8","4","3","5","5","1") = "8"
    & skf18("9","8","4","3","5","6","1") = "8"
    & skf18("9","8","4","3","5","7","1") = "8"
    & skf18("9","8","4","3","5","8","1") = "8"
    & skf18("9","8","4","3","5","9","1") = "8"
    & skf18("9","8","4","3","5","10","1") = "9"
    & skf18("9","8","4","3","6","1","1") = "8"
    & skf18("9","8","4","3","6","2","1") = "8"
    & skf18("9","8","4","3","6","3","1") = "8"
    & skf18("9","8","4","3","6","4","1") = "8"
    & skf18("9","8","4","3","6","5","1") = "8"
    & skf18("9","8","4","3","6","6","1") = "8"
    & skf18("9","8","4","3","6","7","1") = "8"
    & skf18("9","8","4","3","6","8","1") = "8"
    & skf18("9","8","4","3","6","9","1") = "8"
    & skf18("9","8","4","3","6","10","1") = "9"
    & skf18("9","8","4","3","7","1","1") = "8"
    & skf18("9","8","4","3","7","2","1") = "8"
    & skf18("9","8","4","3","7","3","1") = "8"
    & skf18("9","8","4","3","7","4","1") = "8"
    & skf18("9","8","4","3","7","5","1") = "8"
    & skf18("9","8","4","3","7","6","1") = "8"
    & skf18("9","8","4","3","7","7","1") = "8"
    & skf18("9","8","4","3","7","8","1") = "8"
    & skf18("9","8","4","3","7","9","1") = "8"
    & skf18("9","8","4","3","7","10","1") = "9"
    & skf18("9","8","4","3","8","1","1") = "8"
    & skf18("9","8","4","3","8","2","1") = "8"
    & skf18("9","8","4","3","8","3","1") = "8"
    & skf18("9","8","4","3","8","4","1") = "8"
    & skf18("9","8","4","3","8","5","1") = "8"
    & skf18("9","8","4","3","8","6","1") = "8"
    & skf18("9","8","4","3","8","7","1") = "8"
    & skf18("9","8","4","3","8","8","1") = "8"
    & skf18("9","8","4","3","8","9","1") = "8"
    & skf18("9","8","4","3","8","10","1") = "9"
    & skf18("9","8","4","3","9","1","1") = "8"
    & skf18("9","8","4","3","9","2","1") = "8"
    & skf18("9","8","4","3","9","3","1") = "8"
    & skf18("9","8","4","3","9","4","1") = "8"
    & skf18("9","8","4","3","9","5","1") = "8"
    & skf18("9","8","4","3","9","6","1") = "8"
    & skf18("9","8","4","3","9","7","1") = "8"
    & skf18("9","8","4","3","9","8","1") = "8"
    & skf18("9","8","4","3","9","9","1") = "8"
    & skf18("9","8","4","3","9","10","1") = "9"
    & skf18("9","8","4","3","10","1","1") = "9"
    & skf18("9","8","4","3","10","2","1") = "9"
    & skf18("9","8","4","3","10","3","1") = "9"
    & skf18("9","8","4","3","10","4","1") = "9"
    & skf18("9","8","4","3","10","5","1") = "9"
    & skf18("9","8","4","3","10","6","1") = "9"
    & skf18("9","8","4","3","10","7","1") = "9"
    & skf18("9","8","4","3","10","8","1") = "9"
    & skf18("9","8","4","3","10","9","1") = "9"
    & skf18("9","8","4","3","10","10","1") = "9"
    & skf18("9","8","4","4","1","1","1") = "8"
    & skf18("9","8","4","4","1","2","1") = "8"
    & skf18("9","8","4","4","1","3","1") = "8"
    & skf18("9","8","4","4","1","4","1") = "8"
    & skf18("9","8","4","4","1","5","1") = "8"
    & skf18("9","8","4","4","1","6","1") = "8"
    & skf18("9","8","4","4","1","7","1") = "8"
    & skf18("9","8","4","4","1","8","1") = "8"
    & skf18("9","8","4","4","1","9","1") = "8"
    & skf18("9","8","4","4","1","10","1") = "9"
    & skf18("9","8","4","4","2","1","1") = "8"
    & skf18("9","8","4","4","2","2","1") = "8"
    & skf18("9","8","4","4","2","3","1") = "8"
    & skf18("9","8","4","4","2","4","1") = "8"
    & skf18("9","8","4","4","2","5","1") = "8"
    & skf18("9","8","4","4","2","6","1") = "8"
    & skf18("9","8","4","4","2","7","1") = "8"
    & skf18("9","8","4","4","2","8","1") = "8"
    & skf18("9","8","4","4","2","9","1") = "8"
    & skf18("9","8","4","4","2","10","1") = "9"
    & skf18("9","8","4","4","3","1","1") = "8"
    & skf18("9","8","4","4","3","2","1") = "8"
    & skf18("9","8","4","4","3","3","1") = "8"
    & skf18("9","8","4","4","3","4","1") = "8"
    & skf18("9","8","4","4","3","5","1") = "8"
    & skf18("9","8","4","4","3","6","1") = "8"
    & skf18("9","8","4","4","3","7","1") = "8"
    & skf18("9","8","4","4","3","8","1") = "8"
    & skf18("9","8","4","4","3","9","1") = "8"
    & skf18("9","8","4","4","3","10","1") = "9"
    & skf18("9","8","4","4","4","1","1") = "8"
    & skf18("9","8","4","4","4","2","1") = "8"
    & skf18("9","8","4","4","4","3","1") = "8"
    & skf18("9","8","4","4","4","4","1") = "8"
    & skf18("9","8","4","4","4","5","1") = "8"
    & skf18("9","8","4","4","4","6","1") = "8"
    & skf18("9","8","4","4","4","7","1") = "8"
    & skf18("9","8","4","4","4","8","1") = "8"
    & skf18("9","8","4","4","4","9","1") = "8"
    & skf18("9","8","4","4","4","10","1") = "9"
    & skf18("9","8","4","4","5","1","1") = "8"
    & skf18("9","8","4","4","5","2","1") = "8"
    & skf18("9","8","4","4","5","3","1") = "8"
    & skf18("9","8","4","4","5","4","1") = "8"
    & skf18("9","8","4","4","5","5","1") = "8"
    & skf18("9","8","4","4","5","6","1") = "8"
    & skf18("9","8","4","4","5","7","1") = "8"
    & skf18("9","8","4","4","5","8","1") = "8"
    & skf18("9","8","4","4","5","9","1") = "8"
    & skf18("9","8","4","4","5","10","1") = "9"
    & skf18("9","8","4","4","6","1","1") = "8"
    & skf18("9","8","4","4","6","2","1") = "8"
    & skf18("9","8","4","4","6","3","1") = "8"
    & skf18("9","8","4","4","6","4","1") = "8"
    & skf18("9","8","4","4","6","5","1") = "8"
    & skf18("9","8","4","4","6","6","1") = "8"
    & skf18("9","8","4","4","6","7","1") = "8"
    & skf18("9","8","4","4","6","8","1") = "8"
    & skf18("9","8","4","4","6","9","1") = "8"
    & skf18("9","8","4","4","6","10","1") = "9"
    & skf18("9","8","4","4","7","1","1") = "8"
    & skf18("9","8","4","4","7","2","1") = "8"
    & skf18("9","8","4","4","7","3","1") = "8"
    & skf18("9","8","4","4","7","4","1") = "8"
    & skf18("9","8","4","4","7","5","1") = "8"
    & skf18("9","8","4","4","7","6","1") = "8"
    & skf18("9","8","4","4","7","7","1") = "8"
    & skf18("9","8","4","4","7","8","1") = "8"
    & skf18("9","8","4","4","7","9","1") = "8"
    & skf18("9","8","4","4","7","10","1") = "9"
    & skf18("9","8","4","4","8","1","1") = "8"
    & skf18("9","8","4","4","8","2","1") = "8"
    & skf18("9","8","4","4","8","3","1") = "8"
    & skf18("9","8","4","4","8","4","1") = "8"
    & skf18("9","8","4","4","8","5","1") = "8"
    & skf18("9","8","4","4","8","6","1") = "8"
    & skf18("9","8","4","4","8","7","1") = "8"
    & skf18("9","8","4","4","8","8","1") = "8"
    & skf18("9","8","4","4","8","9","1") = "8"
    & skf18("9","8","4","4","8","10","1") = "9"
    & skf18("9","8","4","4","9","1","1") = "8"
    & skf18("9","8","4","4","9","2","1") = "8"
    & skf18("9","8","4","4","9","3","1") = "8"
    & skf18("9","8","4","4","9","4","1") = "8"
    & skf18("9","8","4","4","9","5","1") = "8"
    & skf18("9","8","4","4","9","6","1") = "8"
    & skf18("9","8","4","4","9","7","1") = "8"
    & skf18("9","8","4","4","9","8","1") = "8"
    & skf18("9","8","4","4","9","9","1") = "8"
    & skf18("9","8","4","4","9","10","1") = "9"
    & skf18("9","8","4","4","10","1","1") = "9"
    & skf18("9","8","4","4","10","2","1") = "9"
    & skf18("9","8","4","4","10","3","1") = "9"
    & skf18("9","8","4","4","10","4","1") = "9"
    & skf18("9","8","4","4","10","5","1") = "9"
    & skf18("9","8","4","4","10","6","1") = "9"
    & skf18("9","8","4","4","10","7","1") = "9"
    & skf18("9","8","4","4","10","8","1") = "9"
    & skf18("9","8","4","4","10","9","1") = "9"
    & skf18("9","8","4","4","10","10","1") = "9"
    & skf18("9","8","4","5","1","1","1") = "8"
    & skf18("9","8","4","5","1","2","1") = "8"
    & skf18("9","8","4","5","1","3","1") = "8"
    & skf18("9","8","4","5","1","4","1") = "8"
    & skf18("9","8","4","5","1","5","1") = "8"
    & skf18("9","8","4","5","1","6","1") = "8"
    & skf18("9","8","4","5","1","7","1") = "8"
    & skf18("9","8","4","5","1","8","1") = "8"
    & skf18("9","8","4","5","1","9","1") = "8"
    & skf18("9","8","4","5","1","10","1") = "9"
    & skf18("9","8","4","5","2","1","1") = "8"
    & skf18("9","8","4","5","2","2","1") = "8"
    & skf18("9","8","4","5","2","3","1") = "8"
    & skf18("9","8","4","5","2","4","1") = "8"
    & skf18("9","8","4","5","2","5","1") = "8"
    & skf18("9","8","4","5","2","6","1") = "8"
    & skf18("9","8","4","5","2","7","1") = "8"
    & skf18("9","8","4","5","2","8","1") = "8"
    & skf18("9","8","4","5","2","9","1") = "8"
    & skf18("9","8","4","5","2","10","1") = "9"
    & skf18("9","8","4","5","3","1","1") = "8"
    & skf18("9","8","4","5","3","2","1") = "8"
    & skf18("9","8","4","5","3","3","1") = "8"
    & skf18("9","8","4","5","3","4","1") = "8"
    & skf18("9","8","4","5","3","5","1") = "8"
    & skf18("9","8","4","5","3","6","1") = "8"
    & skf18("9","8","4","5","3","7","1") = "8"
    & skf18("9","8","4","5","3","8","1") = "8"
    & skf18("9","8","4","5","3","9","1") = "8"
    & skf18("9","8","4","5","3","10","1") = "9"
    & skf18("9","8","4","5","4","1","1") = "8"
    & skf18("9","8","4","5","4","2","1") = "8"
    & skf18("9","8","4","5","4","3","1") = "8"
    & skf18("9","8","4","5","4","4","1") = "8"
    & skf18("9","8","4","5","4","5","1") = "8"
    & skf18("9","8","4","5","4","6","1") = "8"
    & skf18("9","8","4","5","4","7","1") = "8"
    & skf18("9","8","4","5","4","8","1") = "8"
    & skf18("9","8","4","5","4","9","1") = "8"
    & skf18("9","8","4","5","4","10","1") = "9"
    & skf18("9","8","4","5","5","1","1") = "8"
    & skf18("9","8","4","5","5","2","1") = "8"
    & skf18("9","8","4","5","5","3","1") = "8"
    & skf18("9","8","4","5","5","4","1") = "8"
    & skf18("9","8","4","5","5","5","1") = "8"
    & skf18("9","8","4","5","5","6","1") = "8"
    & skf18("9","8","4","5","5","7","1") = "8"
    & skf18("9","8","4","5","5","8","1") = "8"
    & skf18("9","8","4","5","5","9","1") = "8"
    & skf18("9","8","4","5","5","10","1") = "9"
    & skf18("9","8","4","5","6","1","1") = "8"
    & skf18("9","8","4","5","6","2","1") = "8"
    & skf18("9","8","4","5","6","3","1") = "8"
    & skf18("9","8","4","5","6","4","1") = "8"
    & skf18("9","8","4","5","6","5","1") = "8"
    & skf18("9","8","4","5","6","6","1") = "8"
    & skf18("9","8","4","5","6","7","1") = "8"
    & skf18("9","8","4","5","6","8","1") = "8"
    & skf18("9","8","4","5","6","9","1") = "8"
    & skf18("9","8","4","5","6","10","1") = "9"
    & skf18("9","8","4","5","7","1","1") = "8"
    & skf18("9","8","4","5","7","2","1") = "8"
    & skf18("9","8","4","5","7","3","1") = "8"
    & skf18("9","8","4","5","7","4","1") = "8"
    & skf18("9","8","4","5","7","5","1") = "8"
    & skf18("9","8","4","5","7","6","1") = "8"
    & skf18("9","8","4","5","7","7","1") = "8"
    & skf18("9","8","4","5","7","8","1") = "8"
    & skf18("9","8","4","5","7","9","1") = "8"
    & skf18("9","8","4","5","7","10","1") = "9"
    & skf18("9","8","4","5","8","1","1") = "8"
    & skf18("9","8","4","5","8","2","1") = "8"
    & skf18("9","8","4","5","8","3","1") = "8"
    & skf18("9","8","4","5","8","4","1") = "8"
    & skf18("9","8","4","5","8","5","1") = "8"
    & skf18("9","8","4","5","8","6","1") = "8"
    & skf18("9","8","4","5","8","7","1") = "8"
    & skf18("9","8","4","5","8","8","1") = "8"
    & skf18("9","8","4","5","8","9","1") = "8"
    & skf18("9","8","4","5","8","10","1") = "9"
    & skf18("9","8","4","5","9","1","1") = "8"
    & skf18("9","8","4","5","9","2","1") = "8"
    & skf18("9","8","4","5","9","3","1") = "8"
    & skf18("9","8","4","5","9","4","1") = "8"
    & skf18("9","8","4","5","9","5","1") = "8"
    & skf18("9","8","4","5","9","6","1") = "8"
    & skf18("9","8","4","5","9","7","1") = "8"
    & skf18("9","8","4","5","9","8","1") = "8"
    & skf18("9","8","4","5","9","9","1") = "8"
    & skf18("9","8","4","5","9","10","1") = "9"
    & skf18("9","8","4","5","10","1","1") = "9"
    & skf18("9","8","4","5","10","2","1") = "9"
    & skf18("9","8","4","5","10","3","1") = "9"
    & skf18("9","8","4","5","10","4","1") = "9"
    & skf18("9","8","4","5","10","5","1") = "9"
    & skf18("9","8","4","5","10","6","1") = "9"
    & skf18("9","8","4","5","10","7","1") = "9"
    & skf18("9","8","4","5","10","8","1") = "9"
    & skf18("9","8","4","5","10","9","1") = "9"
    & skf18("9","8","4","5","10","10","1") = "9"
    & skf18("9","8","4","6","1","1","1") = "8"
    & skf18("9","8","4","6","1","2","1") = "8"
    & skf18("9","8","4","6","1","3","1") = "8"
    & skf18("9","8","4","6","1","4","1") = "8"
    & skf18("9","8","4","6","1","5","1") = "8"
    & skf18("9","8","4","6","1","6","1") = "8"
    & skf18("9","8","4","6","1","7","1") = "8"
    & skf18("9","8","4","6","1","8","1") = "8"
    & skf18("9","8","4","6","1","9","1") = "8"
    & skf18("9","8","4","6","1","10","1") = "9"
    & skf18("9","8","4","6","2","1","1") = "8"
    & skf18("9","8","4","6","2","2","1") = "8"
    & skf18("9","8","4","6","2","3","1") = "8"
    & skf18("9","8","4","6","2","4","1") = "8"
    & skf18("9","8","4","6","2","5","1") = "8"
    & skf18("9","8","4","6","2","6","1") = "8"
    & skf18("9","8","4","6","2","7","1") = "8"
    & skf18("9","8","4","6","2","8","1") = "8"
    & skf18("9","8","4","6","2","9","1") = "8"
    & skf18("9","8","4","6","2","10","1") = "9"
    & skf18("9","8","4","6","3","1","1") = "8"
    & skf18("9","8","4","6","3","2","1") = "8"
    & skf18("9","8","4","6","3","3","1") = "8"
    & skf18("9","8","4","6","3","4","1") = "8"
    & skf18("9","8","4","6","3","5","1") = "8"
    & skf18("9","8","4","6","3","6","1") = "8"
    & skf18("9","8","4","6","3","7","1") = "8"
    & skf18("9","8","4","6","3","8","1") = "8"
    & skf18("9","8","4","6","3","9","1") = "8"
    & skf18("9","8","4","6","3","10","1") = "9"
    & skf18("9","8","4","6","4","1","1") = "8"
    & skf18("9","8","4","6","4","2","1") = "8"
    & skf18("9","8","4","6","4","3","1") = "8"
    & skf18("9","8","4","6","4","4","1") = "8"
    & skf18("9","8","4","6","4","5","1") = "8"
    & skf18("9","8","4","6","4","6","1") = "8"
    & skf18("9","8","4","6","4","7","1") = "8"
    & skf18("9","8","4","6","4","8","1") = "8"
    & skf18("9","8","4","6","4","9","1") = "8"
    & skf18("9","8","4","6","4","10","1") = "9"
    & skf18("9","8","4","6","5","1","1") = "8"
    & skf18("9","8","4","6","5","2","1") = "8"
    & skf18("9","8","4","6","5","3","1") = "8"
    & skf18("9","8","4","6","5","4","1") = "8"
    & skf18("9","8","4","6","5","5","1") = "8"
    & skf18("9","8","4","6","5","6","1") = "8"
    & skf18("9","8","4","6","5","7","1") = "8"
    & skf18("9","8","4","6","5","8","1") = "8"
    & skf18("9","8","4","6","5","9","1") = "8"
    & skf18("9","8","4","6","5","10","1") = "9"
    & skf18("9","8","4","6","6","1","1") = "8"
    & skf18("9","8","4","6","6","2","1") = "8"
    & skf18("9","8","4","6","6","3","1") = "8"
    & skf18("9","8","4","6","6","4","1") = "8"
    & skf18("9","8","4","6","6","5","1") = "8"
    & skf18("9","8","4","6","6","6","1") = "8"
    & skf18("9","8","4","6","6","7","1") = "8"
    & skf18("9","8","4","6","6","8","1") = "8"
    & skf18("9","8","4","6","6","9","1") = "8"
    & skf18("9","8","4","6","6","10","1") = "9"
    & skf18("9","8","4","6","7","1","1") = "8"
    & skf18("9","8","4","6","7","2","1") = "8"
    & skf18("9","8","4","6","7","3","1") = "8"
    & skf18("9","8","4","6","7","4","1") = "8"
    & skf18("9","8","4","6","7","5","1") = "8"
    & skf18("9","8","4","6","7","6","1") = "8"
    & skf18("9","8","4","6","7","7","1") = "8"
    & skf18("9","8","4","6","7","8","1") = "8"
    & skf18("9","8","4","6","7","9","1") = "8"
    & skf18("9","8","4","6","7","10","1") = "9"
    & skf18("9","8","4","6","8","1","1") = "8"
    & skf18("9","8","4","6","8","2","1") = "8"
    & skf18("9","8","4","6","8","3","1") = "8"
    & skf18("9","8","4","6","8","4","1") = "8"
    & skf18("9","8","4","6","8","5","1") = "8"
    & skf18("9","8","4","6","8","6","1") = "8"
    & skf18("9","8","4","6","8","7","1") = "8"
    & skf18("9","8","4","6","8","8","1") = "8"
    & skf18("9","8","4","6","8","9","1") = "8"
    & skf18("9","8","4","6","8","10","1") = "9"
    & skf18("9","8","4","6","9","1","1") = "8"
    & skf18("9","8","4","6","9","2","1") = "8"
    & skf18("9","8","4","6","9","3","1") = "8"
    & skf18("9","8","4","6","9","4","1") = "8"
    & skf18("9","8","4","6","9","5","1") = "8"
    & skf18("9","8","4","6","9","6","1") = "8"
    & skf18("9","8","4","6","9","7","1") = "8"
    & skf18("9","8","4","6","9","8","1") = "8"
    & skf18("9","8","4","6","9","9","1") = "8"
    & skf18("9","8","4","6","9","10","1") = "9"
    & skf18("9","8","4","6","10","1","1") = "9"
    & skf18("9","8","4","6","10","2","1") = "9"
    & skf18("9","8","4","6","10","3","1") = "9"
    & skf18("9","8","4","6","10","4","1") = "9"
    & skf18("9","8","4","6","10","5","1") = "9"
    & skf18("9","8","4","6","10","6","1") = "9"
    & skf18("9","8","4","6","10","7","1") = "9"
    & skf18("9","8","4","6","10","8","1") = "9"
    & skf18("9","8","4","6","10","9","1") = "9"
    & skf18("9","8","4","6","10","10","1") = "9"
    & skf18("9","8","4","7","1","1","1") = "8"
    & skf18("9","8","4","7","1","2","1") = "8"
    & skf18("9","8","4","7","1","3","1") = "8"
    & skf18("9","8","4","7","1","4","1") = "8"
    & skf18("9","8","4","7","1","5","1") = "8"
    & skf18("9","8","4","7","1","6","1") = "8"
    & skf18("9","8","4","7","1","7","1") = "8"
    & skf18("9","8","4","7","1","8","1") = "8"
    & skf18("9","8","4","7","1","9","1") = "8"
    & skf18("9","8","4","7","1","10","1") = "9"
    & skf18("9","8","4","7","2","1","1") = "8"
    & skf18("9","8","4","7","2","2","1") = "8"
    & skf18("9","8","4","7","2","3","1") = "8"
    & skf18("9","8","4","7","2","4","1") = "8"
    & skf18("9","8","4","7","2","5","1") = "8"
    & skf18("9","8","4","7","2","6","1") = "8"
    & skf18("9","8","4","7","2","7","1") = "8"
    & skf18("9","8","4","7","2","8","1") = "8"
    & skf18("9","8","4","7","2","9","1") = "8"
    & skf18("9","8","4","7","2","10","1") = "9"
    & skf18("9","8","4","7","3","1","1") = "8"
    & skf18("9","8","4","7","3","2","1") = "8"
    & skf18("9","8","4","7","3","3","1") = "8"
    & skf18("9","8","4","7","3","4","1") = "8"
    & skf18("9","8","4","7","3","5","1") = "8"
    & skf18("9","8","4","7","3","6","1") = "8"
    & skf18("9","8","4","7","3","7","1") = "8"
    & skf18("9","8","4","7","3","8","1") = "8"
    & skf18("9","8","4","7","3","9","1") = "8"
    & skf18("9","8","4","7","3","10","1") = "9"
    & skf18("9","8","4","7","4","1","1") = "8"
    & skf18("9","8","4","7","4","2","1") = "8"
    & skf18("9","8","4","7","4","3","1") = "8"
    & skf18("9","8","4","7","4","4","1") = "8"
    & skf18("9","8","4","7","4","5","1") = "8"
    & skf18("9","8","4","7","4","6","1") = "8"
    & skf18("9","8","4","7","4","7","1") = "8"
    & skf18("9","8","4","7","4","8","1") = "8"
    & skf18("9","8","4","7","4","9","1") = "8"
    & skf18("9","8","4","7","4","10","1") = "9"
    & skf18("9","8","4","7","5","1","1") = "8"
    & skf18("9","8","4","7","5","2","1") = "8"
    & skf18("9","8","4","7","5","3","1") = "8"
    & skf18("9","8","4","7","5","4","1") = "8"
    & skf18("9","8","4","7","5","5","1") = "8"
    & skf18("9","8","4","7","5","6","1") = "8"
    & skf18("9","8","4","7","5","7","1") = "8"
    & skf18("9","8","4","7","5","8","1") = "8"
    & skf18("9","8","4","7","5","9","1") = "8"
    & skf18("9","8","4","7","5","10","1") = "9"
    & skf18("9","8","4","7","6","1","1") = "8"
    & skf18("9","8","4","7","6","2","1") = "8"
    & skf18("9","8","4","7","6","3","1") = "8"
    & skf18("9","8","4","7","6","4","1") = "8"
    & skf18("9","8","4","7","6","5","1") = "8"
    & skf18("9","8","4","7","6","6","1") = "8"
    & skf18("9","8","4","7","6","7","1") = "8"
    & skf18("9","8","4","7","6","8","1") = "8"
    & skf18("9","8","4","7","6","9","1") = "8"
    & skf18("9","8","4","7","6","10","1") = "9"
    & skf18("9","8","4","7","7","1","1") = "8"
    & skf18("9","8","4","7","7","2","1") = "8"
    & skf18("9","8","4","7","7","3","1") = "8"
    & skf18("9","8","4","7","7","4","1") = "8"
    & skf18("9","8","4","7","7","5","1") = "8"
    & skf18("9","8","4","7","7","6","1") = "8"
    & skf18("9","8","4","7","7","7","1") = "8"
    & skf18("9","8","4","7","7","8","1") = "8"
    & skf18("9","8","4","7","7","9","1") = "8"
    & skf18("9","8","4","7","7","10","1") = "9"
    & skf18("9","8","4","7","8","1","1") = "8"
    & skf18("9","8","4","7","8","2","1") = "8"
    & skf18("9","8","4","7","8","3","1") = "8"
    & skf18("9","8","4","7","8","4","1") = "8"
    & skf18("9","8","4","7","8","5","1") = "8"
    & skf18("9","8","4","7","8","6","1") = "8"
    & skf18("9","8","4","7","8","7","1") = "8"
    & skf18("9","8","4","7","8","8","1") = "8"
    & skf18("9","8","4","7","8","9","1") = "8"
    & skf18("9","8","4","7","8","10","1") = "9"
    & skf18("9","8","4","7","9","1","1") = "8"
    & skf18("9","8","4","7","9","2","1") = "8"
    & skf18("9","8","4","7","9","3","1") = "8"
    & skf18("9","8","4","7","9","4","1") = "8"
    & skf18("9","8","4","7","9","5","1") = "8"
    & skf18("9","8","4","7","9","6","1") = "8"
    & skf18("9","8","4","7","9","7","1") = "8"
    & skf18("9","8","4","7","9","8","1") = "8"
    & skf18("9","8","4","7","9","9","1") = "8"
    & skf18("9","8","4","7","9","10","1") = "9"
    & skf18("9","8","4","7","10","1","1") = "9"
    & skf18("9","8","4","7","10","2","1") = "9"
    & skf18("9","8","4","7","10","3","1") = "9"
    & skf18("9","8","4","7","10","4","1") = "9"
    & skf18("9","8","4","7","10","5","1") = "9"
    & skf18("9","8","4","7","10","6","1") = "9"
    & skf18("9","8","4","7","10","7","1") = "9"
    & skf18("9","8","4","7","10","8","1") = "9"
    & skf18("9","8","4","7","10","9","1") = "9"
    & skf18("9","8","4","7","10","10","1") = "9"
    & skf18("9","8","4","8","1","1","1") = "8"
    & skf18("9","8","4","8","1","2","1") = "8"
    & skf18("9","8","4","8","1","3","1") = "8"
    & skf18("9","8","4","8","1","4","1") = "8"
    & skf18("9","8","4","8","1","5","1") = "8"
    & skf18("9","8","4","8","1","6","1") = "8"
    & skf18("9","8","4","8","1","7","1") = "8"
    & skf18("9","8","4","8","1","8","1") = "8"
    & skf18("9","8","4","8","1","9","1") = "8"
    & skf18("9","8","4","8","1","10","1") = "9"
    & skf18("9","8","4","8","2","1","1") = "8"
    & skf18("9","8","4","8","2","2","1") = "8"
    & skf18("9","8","4","8","2","3","1") = "8"
    & skf18("9","8","4","8","2","4","1") = "8"
    & skf18("9","8","4","8","2","5","1") = "8"
    & skf18("9","8","4","8","2","6","1") = "8"
    & skf18("9","8","4","8","2","7","1") = "8"
    & skf18("9","8","4","8","2","8","1") = "8"
    & skf18("9","8","4","8","2","9","1") = "8"
    & skf18("9","8","4","8","2","10","1") = "9"
    & skf18("9","8","4","8","3","1","1") = "8"
    & skf18("9","8","4","8","3","2","1") = "8"
    & skf18("9","8","4","8","3","3","1") = "8"
    & skf18("9","8","4","8","3","4","1") = "8"
    & skf18("9","8","4","8","3","5","1") = "8"
    & skf18("9","8","4","8","3","6","1") = "8"
    & skf18("9","8","4","8","3","7","1") = "8"
    & skf18("9","8","4","8","3","8","1") = "8"
    & skf18("9","8","4","8","3","9","1") = "8"
    & skf18("9","8","4","8","3","10","1") = "9"
    & skf18("9","8","4","8","4","1","1") = "8"
    & skf18("9","8","4","8","4","2","1") = "8"
    & skf18("9","8","4","8","4","3","1") = "8"
    & skf18("9","8","4","8","4","4","1") = "8"
    & skf18("9","8","4","8","4","5","1") = "8"
    & skf18("9","8","4","8","4","6","1") = "8"
    & skf18("9","8","4","8","4","7","1") = "8"
    & skf18("9","8","4","8","4","8","1") = "8"
    & skf18("9","8","4","8","4","9","1") = "8"
    & skf18("9","8","4","8","4","10","1") = "9"
    & skf18("9","8","4","8","5","1","1") = "8"
    & skf18("9","8","4","8","5","2","1") = "8"
    & skf18("9","8","4","8","5","3","1") = "8"
    & skf18("9","8","4","8","5","4","1") = "8"
    & skf18("9","8","4","8","5","5","1") = "8"
    & skf18("9","8","4","8","5","6","1") = "8"
    & skf18("9","8","4","8","5","7","1") = "8"
    & skf18("9","8","4","8","5","8","1") = "8"
    & skf18("9","8","4","8","5","9","1") = "8"
    & skf18("9","8","4","8","5","10","1") = "9"
    & skf18("9","8","4","8","6","1","1") = "8"
    & skf18("9","8","4","8","6","2","1") = "8"
    & skf18("9","8","4","8","6","3","1") = "8"
    & skf18("9","8","4","8","6","4","1") = "8"
    & skf18("9","8","4","8","6","5","1") = "8"
    & skf18("9","8","4","8","6","6","1") = "8"
    & skf18("9","8","4","8","6","7","1") = "8"
    & skf18("9","8","4","8","6","8","1") = "8"
    & skf18("9","8","4","8","6","9","1") = "8"
    & skf18("9","8","4","8","6","10","1") = "9"
    & skf18("9","8","4","8","7","1","1") = "8"
    & skf18("9","8","4","8","7","2","1") = "8"
    & skf18("9","8","4","8","7","3","1") = "8"
    & skf18("9","8","4","8","7","4","1") = "8"
    & skf18("9","8","4","8","7","5","1") = "8"
    & skf18("9","8","4","8","7","6","1") = "8"
    & skf18("9","8","4","8","7","7","1") = "8"
    & skf18("9","8","4","8","7","8","1") = "8"
    & skf18("9","8","4","8","7","9","1") = "8"
    & skf18("9","8","4","8","7","10","1") = "9"
    & skf18("9","8","4","8","8","1","1") = "8"
    & skf18("9","8","4","8","8","2","1") = "8"
    & skf18("9","8","4","8","8","3","1") = "8"
    & skf18("9","8","4","8","8","4","1") = "8"
    & skf18("9","8","4","8","8","5","1") = "8"
    & skf18("9","8","4","8","8","6","1") = "8"
    & skf18("9","8","4","8","8","7","1") = "8"
    & skf18("9","8","4","8","8","8","1") = "8"
    & skf18("9","8","4","8","8","9","1") = "8"
    & skf18("9","8","4","8","8","10","1") = "9"
    & skf18("9","8","4","8","9","1","1") = "8"
    & skf18("9","8","4","8","9","2","1") = "8"
    & skf18("9","8","4","8","9","3","1") = "8"
    & skf18("9","8","4","8","9","4","1") = "8"
    & skf18("9","8","4","8","9","5","1") = "8"
    & skf18("9","8","4","8","9","6","1") = "8"
    & skf18("9","8","4","8","9","7","1") = "8"
    & skf18("9","8","4","8","9","8","1") = "8"
    & skf18("9","8","4","8","9","9","1") = "8"
    & skf18("9","8","4","8","9","10","1") = "9"
    & skf18("9","8","4","8","10","1","1") = "9"
    & skf18("9","8","4","8","10","2","1") = "9"
    & skf18("9","8","4","8","10","3","1") = "9"
    & skf18("9","8","4","8","10","4","1") = "9"
    & skf18("9","8","4","8","10","5","1") = "9"
    & skf18("9","8","4","8","10","6","1") = "9"
    & skf18("9","8","4","8","10","7","1") = "9"
    & skf18("9","8","4","8","10","8","1") = "9"
    & skf18("9","8","4","8","10","9","1") = "9"
    & skf18("9","8","4","8","10","10","1") = "9"
    & skf18("9","8","4","9","1","1","1") = "8"
    & skf18("9","8","4","9","1","2","1") = "8"
    & skf18("9","8","4","9","1","3","1") = "8"
    & skf18("9","8","4","9","1","4","1") = "8"
    & skf18("9","8","4","9","1","5","1") = "8"
    & skf18("9","8","4","9","1","6","1") = "8"
    & skf18("9","8","4","9","1","7","1") = "8"
    & skf18("9","8","4","9","1","8","1") = "8"
    & skf18("9","8","4","9","1","9","1") = "8"
    & skf18("9","8","4","9","1","10","1") = "9"
    & skf18("9","8","4","9","2","1","1") = "8"
    & skf18("9","8","4","9","2","2","1") = "8"
    & skf18("9","8","4","9","2","3","1") = "8"
    & skf18("9","8","4","9","2","4","1") = "8"
    & skf18("9","8","4","9","2","5","1") = "8"
    & skf18("9","8","4","9","2","6","1") = "8"
    & skf18("9","8","4","9","2","7","1") = "8"
    & skf18("9","8","4","9","2","8","1") = "8"
    & skf18("9","8","4","9","2","9","1") = "8"
    & skf18("9","8","4","9","2","10","1") = "9"
    & skf18("9","8","4","9","3","1","1") = "8"
    & skf18("9","8","4","9","3","2","1") = "8"
    & skf18("9","8","4","9","3","3","1") = "8"
    & skf18("9","8","4","9","3","4","1") = "8"
    & skf18("9","8","4","9","3","5","1") = "8"
    & skf18("9","8","4","9","3","6","1") = "8"
    & skf18("9","8","4","9","3","7","1") = "8"
    & skf18("9","8","4","9","3","8","1") = "8"
    & skf18("9","8","4","9","3","9","1") = "8"
    & skf18("9","8","4","9","3","10","1") = "9"
    & skf18("9","8","4","9","4","1","1") = "8"
    & skf18("9","8","4","9","4","2","1") = "8"
    & skf18("9","8","4","9","4","3","1") = "8"
    & skf18("9","8","4","9","4","4","1") = "8"
    & skf18("9","8","4","9","4","5","1") = "8"
    & skf18("9","8","4","9","4","6","1") = "8"
    & skf18("9","8","4","9","4","7","1") = "8"
    & skf18("9","8","4","9","4","8","1") = "8"
    & skf18("9","8","4","9","4","9","1") = "8"
    & skf18("9","8","4","9","4","10","1") = "9"
    & skf18("9","8","4","9","5","1","1") = "8"
    & skf18("9","8","4","9","5","2","1") = "8"
    & skf18("9","8","4","9","5","3","1") = "8"
    & skf18("9","8","4","9","5","4","1") = "8"
    & skf18("9","8","4","9","5","5","1") = "8"
    & skf18("9","8","4","9","5","6","1") = "8"
    & skf18("9","8","4","9","5","7","1") = "8"
    & skf18("9","8","4","9","5","8","1") = "8"
    & skf18("9","8","4","9","5","9","1") = "8"
    & skf18("9","8","4","9","5","10","1") = "9"
    & skf18("9","8","4","9","6","1","1") = "8"
    & skf18("9","8","4","9","6","2","1") = "8"
    & skf18("9","8","4","9","6","3","1") = "8"
    & skf18("9","8","4","9","6","4","1") = "8"
    & skf18("9","8","4","9","6","5","1") = "8"
    & skf18("9","8","4","9","6","6","1") = "8"
    & skf18("9","8","4","9","6","7","1") = "8"
    & skf18("9","8","4","9","6","8","1") = "8"
    & skf18("9","8","4","9","6","9","1") = "8"
    & skf18("9","8","4","9","6","10","1") = "9"
    & skf18("9","8","4","9","7","1","1") = "8"
    & skf18("9","8","4","9","7","2","1") = "8"
    & skf18("9","8","4","9","7","3","1") = "8"
    & skf18("9","8","4","9","7","4","1") = "8"
    & skf18("9","8","4","9","7","5","1") = "8"
    & skf18("9","8","4","9","7","6","1") = "8"
    & skf18("9","8","4","9","7","7","1") = "8"
    & skf18("9","8","4","9","7","8","1") = "8"
    & skf18("9","8","4","9","7","9","1") = "8"
    & skf18("9","8","4","9","7","10","1") = "9"
    & skf18("9","8","4","9","8","1","1") = "8"
    & skf18("9","8","4","9","8","2","1") = "8"
    & skf18("9","8","4","9","8","3","1") = "8"
    & skf18("9","8","4","9","8","4","1") = "8"
    & skf18("9","8","4","9","8","5","1") = "8"
    & skf18("9","8","4","9","8","6","1") = "8"
    & skf18("9","8","4","9","8","7","1") = "8"
    & skf18("9","8","4","9","8","8","1") = "8"
    & skf18("9","8","4","9","8","9","1") = "8"
    & skf18("9","8","4","9","8","10","1") = "9"
    & skf18("9","8","4","9","9","1","1") = "8"
    & skf18("9","8","4","9","9","2","1") = "8"
    & skf18("9","8","4","9","9","3","1") = "8"
    & skf18("9","8","4","9","9","4","1") = "8"
    & skf18("9","8","4","9","9","5","1") = "8"
    & skf18("9","8","4","9","9","6","1") = "8"
    & skf18("9","8","4","9","9","7","1") = "8"
    & skf18("9","8","4","9","9","8","1") = "8"
    & skf18("9","8","4","9","9","9","1") = "8"
    & skf18("9","8","4","9","9","10","1") = "9"
    & skf18("9","8","4","9","10","1","1") = "9"
    & skf18("9","8","4","9","10","2","1") = "9"
    & skf18("9","8","4","9","10","3","1") = "9"
    & skf18("9","8","4","9","10","4","1") = "9"
    & skf18("9","8","4","9","10","5","1") = "9"
    & skf18("9","8","4","9","10","6","1") = "9"
    & skf18("9","8","4","9","10","7","1") = "9"
    & skf18("9","8","4","9","10","8","1") = "9"
    & skf18("9","8","4","9","10","9","1") = "9"
    & skf18("9","8","4","9","10","10","1") = "9"
    & skf18("9","8","4","10","1","1","1") = "9"
    & skf18("9","8","4","10","1","2","1") = "9"
    & skf18("9","8","4","10","1","3","1") = "9"
    & skf18("9","8","4","10","1","4","1") = "9"
    & skf18("9","8","4","10","1","5","1") = "9"
    & skf18("9","8","4","10","1","6","1") = "9"
    & skf18("9","8","4","10","1","7","1") = "9"
    & skf18("9","8","4","10","1","8","1") = "9"
    & skf18("9","8","4","10","1","9","1") = "9"
    & skf18("9","8","4","10","1","10","1") = "9"
    & skf18("9","8","4","10","2","1","1") = "9"
    & skf18("9","8","4","10","2","2","1") = "9"
    & skf18("9","8","4","10","2","3","1") = "9"
    & skf18("9","8","4","10","2","4","1") = "9"
    & skf18("9","8","4","10","2","5","1") = "9"
    & skf18("9","8","4","10","2","6","1") = "9"
    & skf18("9","8","4","10","2","7","1") = "9"
    & skf18("9","8","4","10","2","8","1") = "9"
    & skf18("9","8","4","10","2","9","1") = "9"
    & skf18("9","8","4","10","2","10","1") = "9"
    & skf18("9","8","4","10","3","1","1") = "9"
    & skf18("9","8","4","10","3","2","1") = "9"
    & skf18("9","8","4","10","3","3","1") = "9"
    & skf18("9","8","4","10","3","4","1") = "9"
    & skf18("9","8","4","10","3","5","1") = "9"
    & skf18("9","8","4","10","3","6","1") = "9"
    & skf18("9","8","4","10","3","7","1") = "9"
    & skf18("9","8","4","10","3","8","1") = "9"
    & skf18("9","8","4","10","3","9","1") = "9"
    & skf18("9","8","4","10","3","10","1") = "9"
    & skf18("9","8","4","10","4","1","1") = "9"
    & skf18("9","8","4","10","4","2","1") = "9"
    & skf18("9","8","4","10","4","3","1") = "9"
    & skf18("9","8","4","10","4","4","1") = "9"
    & skf18("9","8","4","10","4","5","1") = "9"
    & skf18("9","8","4","10","4","6","1") = "9"
    & skf18("9","8","4","10","4","7","1") = "9"
    & skf18("9","8","4","10","4","8","1") = "9"
    & skf18("9","8","4","10","4","9","1") = "9"
    & skf18("9","8","4","10","4","10","1") = "9"
    & skf18("9","8","4","10","5","1","1") = "9"
    & skf18("9","8","4","10","5","2","1") = "9"
    & skf18("9","8","4","10","5","3","1") = "9"
    & skf18("9","8","4","10","5","4","1") = "9"
    & skf18("9","8","4","10","5","5","1") = "9"
    & skf18("9","8","4","10","5","6","1") = "9"
    & skf18("9","8","4","10","5","7","1") = "9"
    & skf18("9","8","4","10","5","8","1") = "9"
    & skf18("9","8","4","10","5","9","1") = "9"
    & skf18("9","8","4","10","5","10","1") = "9"
    & skf18("9","8","4","10","6","1","1") = "9"
    & skf18("9","8","4","10","6","2","1") = "9"
    & skf18("9","8","4","10","6","3","1") = "9"
    & skf18("9","8","4","10","6","4","1") = "9"
    & skf18("9","8","4","10","6","5","1") = "9"
    & skf18("9","8","4","10","6","6","1") = "9"
    & skf18("9","8","4","10","6","7","1") = "9"
    & skf18("9","8","4","10","6","8","1") = "9"
    & skf18("9","8","4","10","6","9","1") = "9"
    & skf18("9","8","4","10","6","10","1") = "9"
    & skf18("9","8","4","10","7","1","1") = "9"
    & skf18("9","8","4","10","7","2","1") = "9"
    & skf18("9","8","4","10","7","3","1") = "9"
    & skf18("9","8","4","10","7","4","1") = "9"
    & skf18("9","8","4","10","7","5","1") = "9"
    & skf18("9","8","4","10","7","6","1") = "9"
    & skf18("9","8","4","10","7","7","1") = "9"
    & skf18("9","8","4","10","7","8","1") = "9"
    & skf18("9","8","4","10","7","9","1") = "9"
    & skf18("9","8","4","10","7","10","1") = "9"
    & skf18("9","8","4","10","8","1","1") = "9"
    & skf18("9","8","4","10","8","2","1") = "9"
    & skf18("9","8","4","10","8","3","1") = "9"
    & skf18("9","8","4","10","8","4","1") = "9"
    & skf18("9","8","4","10","8","5","1") = "9"
    & skf18("9","8","4","10","8","6","1") = "9"
    & skf18("9","8","4","10","8","7","1") = "9"
    & skf18("9","8","4","10","8","8","1") = "9"
    & skf18("9","8","4","10","8","9","1") = "9"
    & skf18("9","8","4","10","8","10","1") = "9"
    & skf18("9","8","4","10","9","1","1") = "9"
    & skf18("9","8","4","10","9","2","1") = "9"
    & skf18("9","8","4","10","9","3","1") = "9"
    & skf18("9","8","4","10","9","4","1") = "9"
    & skf18("9","8","4","10","9","5","1") = "9"
    & skf18("9","8","4","10","9","6","1") = "9"
    & skf18("9","8","4","10","9","7","1") = "9"
    & skf18("9","8","4","10","9","8","1") = "9"
    & skf18("9","8","4","10","9","9","1") = "9"
    & skf18("9","8","4","10","9","10","1") = "9"
    & skf18("9","8","4","10","10","1","1") = "9"
    & skf18("9","8","4","10","10","2","1") = "9"
    & skf18("9","8","4","10","10","3","1") = "9"
    & skf18("9","8","4","10","10","4","1") = "9"
    & skf18("9","8","4","10","10","5","1") = "9"
    & skf18("9","8","4","10","10","6","1") = "9"
    & skf18("9","8","4","10","10","7","1") = "9"
    & skf18("9","8","4","10","10","8","1") = "9"
    & skf18("9","8","4","10","10","9","1") = "9"
    & skf18("9","8","4","10","10","10","1") = "9"
    & skf18("9","8","5","1","1","1","1") = "8"
    & skf18("9","8","5","1","1","2","1") = "8"
    & skf18("9","8","5","1","1","3","1") = "8"
    & skf18("9","8","5","1","1","4","1") = "8"
    & skf18("9","8","5","1","1","5","1") = "8"
    & skf18("9","8","5","1","1","6","1") = "8"
    & skf18("9","8","5","1","1","7","1") = "8"
    & skf18("9","8","5","1","1","8","1") = "8"
    & skf18("9","8","5","1","1","9","1") = "8"
    & skf18("9","8","5","1","1","10","1") = "9"
    & skf18("9","8","5","1","2","1","1") = "8"
    & skf18("9","8","5","1","2","2","1") = "8"
    & skf18("9","8","5","1","2","3","1") = "8"
    & skf18("9","8","5","1","2","4","1") = "8"
    & skf18("9","8","5","1","2","5","1") = "8"
    & skf18("9","8","5","1","2","6","1") = "8"
    & skf18("9","8","5","1","2","7","1") = "8"
    & skf18("9","8","5","1","2","8","1") = "8"
    & skf18("9","8","5","1","2","9","1") = "8"
    & skf18("9","8","5","1","2","10","1") = "9"
    & skf18("9","8","5","1","3","1","1") = "8"
    & skf18("9","8","5","1","3","2","1") = "8"
    & skf18("9","8","5","1","3","3","1") = "8"
    & skf18("9","8","5","1","3","4","1") = "8"
    & skf18("9","8","5","1","3","5","1") = "8"
    & skf18("9","8","5","1","3","6","1") = "8"
    & skf18("9","8","5","1","3","7","1") = "8"
    & skf18("9","8","5","1","3","8","1") = "8"
    & skf18("9","8","5","1","3","9","1") = "8"
    & skf18("9","8","5","1","3","10","1") = "9"
    & skf18("9","8","5","1","4","1","1") = "8"
    & skf18("9","8","5","1","4","2","1") = "8"
    & skf18("9","8","5","1","4","3","1") = "8"
    & skf18("9","8","5","1","4","4","1") = "8"
    & skf18("9","8","5","1","4","5","1") = "8"
    & skf18("9","8","5","1","4","6","1") = "8"
    & skf18("9","8","5","1","4","7","1") = "8"
    & skf18("9","8","5","1","4","8","1") = "8"
    & skf18("9","8","5","1","4","9","1") = "8"
    & skf18("9","8","5","1","4","10","1") = "9"
    & skf18("9","8","5","1","5","1","1") = "8"
    & skf18("9","8","5","1","5","2","1") = "8"
    & skf18("9","8","5","1","5","3","1") = "8"
    & skf18("9","8","5","1","5","4","1") = "8"
    & skf18("9","8","5","1","5","5","1") = "8"
    & skf18("9","8","5","1","5","6","1") = "8"
    & skf18("9","8","5","1","5","7","1") = "8"
    & skf18("9","8","5","1","5","8","1") = "8"
    & skf18("9","8","5","1","5","9","1") = "8"
    & skf18("9","8","5","1","5","10","1") = "9"
    & skf18("9","8","5","1","6","1","1") = "8"
    & skf18("9","8","5","1","6","2","1") = "8"
    & skf18("9","8","5","1","6","3","1") = "8"
    & skf18("9","8","5","1","6","4","1") = "8"
    & skf18("9","8","5","1","6","5","1") = "8"
    & skf18("9","8","5","1","6","6","1") = "8"
    & skf18("9","8","5","1","6","7","1") = "8"
    & skf18("9","8","5","1","6","8","1") = "8"
    & skf18("9","8","5","1","6","9","1") = "8"
    & skf18("9","8","5","1","6","10","1") = "9"
    & skf18("9","8","5","1","7","1","1") = "8"
    & skf18("9","8","5","1","7","2","1") = "8"
    & skf18("9","8","5","1","7","3","1") = "8"
    & skf18("9","8","5","1","7","4","1") = "8"
    & skf18("9","8","5","1","7","5","1") = "8"
    & skf18("9","8","5","1","7","6","1") = "8"
    & skf18("9","8","5","1","7","7","1") = "8"
    & skf18("9","8","5","1","7","8","1") = "8"
    & skf18("9","8","5","1","7","9","1") = "8"
    & skf18("9","8","5","1","7","10","1") = "9"
    & skf18("9","8","5","1","8","1","1") = "8"
    & skf18("9","8","5","1","8","2","1") = "8"
    & skf18("9","8","5","1","8","3","1") = "8"
    & skf18("9","8","5","1","8","4","1") = "8"
    & skf18("9","8","5","1","8","5","1") = "8"
    & skf18("9","8","5","1","8","6","1") = "8"
    & skf18("9","8","5","1","8","7","1") = "8"
    & skf18("9","8","5","1","8","8","1") = "8"
    & skf18("9","8","5","1","8","9","1") = "8"
    & skf18("9","8","5","1","8","10","1") = "9"
    & skf18("9","8","5","1","9","1","1") = "8"
    & skf18("9","8","5","1","9","2","1") = "8"
    & skf18("9","8","5","1","9","3","1") = "8"
    & skf18("9","8","5","1","9","4","1") = "8"
    & skf18("9","8","5","1","9","5","1") = "8"
    & skf18("9","8","5","1","9","6","1") = "8"
    & skf18("9","8","5","1","9","7","1") = "8"
    & skf18("9","8","5","1","9","8","1") = "8"
    & skf18("9","8","5","1","9","9","1") = "8"
    & skf18("9","8","5","1","9","10","1") = "9"
    & skf18("9","8","5","1","10","1","1") = "9"
    & skf18("9","8","5","1","10","2","1") = "9"
    & skf18("9","8","5","1","10","3","1") = "9"
    & skf18("9","8","5","1","10","4","1") = "9"
    & skf18("9","8","5","1","10","5","1") = "9"
    & skf18("9","8","5","1","10","6","1") = "9"
    & skf18("9","8","5","1","10","7","1") = "9"
    & skf18("9","8","5","1","10","8","1") = "9"
    & skf18("9","8","5","1","10","9","1") = "9"
    & skf18("9","8","5","1","10","10","1") = "9"
    & skf18("9","8","5","2","1","1","1") = "8"
    & skf18("9","8","5","2","1","2","1") = "8"
    & skf18("9","8","5","2","1","3","1") = "8"
    & skf18("9","8","5","2","1","4","1") = "8"
    & skf18("9","8","5","2","1","5","1") = "8"
    & skf18("9","8","5","2","1","6","1") = "8"
    & skf18("9","8","5","2","1","7","1") = "8"
    & skf18("9","8","5","2","1","8","1") = "8"
    & skf18("9","8","5","2","1","9","1") = "8"
    & skf18("9","8","5","2","1","10","1") = "9"
    & skf18("9","8","5","2","2","1","1") = "8"
    & skf18("9","8","5","2","2","2","1") = "8"
    & skf18("9","8","5","2","2","3","1") = "8"
    & skf18("9","8","5","2","2","4","1") = "8"
    & skf18("9","8","5","2","2","5","1") = "8"
    & skf18("9","8","5","2","2","6","1") = "8"
    & skf18("9","8","5","2","2","7","1") = "8"
    & skf18("9","8","5","2","2","8","1") = "8"
    & skf18("9","8","5","2","2","9","1") = "8"
    & skf18("9","8","5","2","2","10","1") = "9"
    & skf18("9","8","5","2","3","1","1") = "8"
    & skf18("9","8","5","2","3","2","1") = "8"
    & skf18("9","8","5","2","3","3","1") = "8"
    & skf18("9","8","5","2","3","4","1") = "8"
    & skf18("9","8","5","2","3","5","1") = "8"
    & skf18("9","8","5","2","3","6","1") = "8"
    & skf18("9","8","5","2","3","7","1") = "8"
    & skf18("9","8","5","2","3","8","1") = "8"
    & skf18("9","8","5","2","3","9","1") = "8"
    & skf18("9","8","5","2","3","10","1") = "9"
    & skf18("9","8","5","2","4","1","1") = "8"
    & skf18("9","8","5","2","4","2","1") = "8"
    & skf18("9","8","5","2","4","3","1") = "8"
    & skf18("9","8","5","2","4","4","1") = "8"
    & skf18("9","8","5","2","4","5","1") = "8"
    & skf18("9","8","5","2","4","6","1") = "8"
    & skf18("9","8","5","2","4","7","1") = "8"
    & skf18("9","8","5","2","4","8","1") = "8"
    & skf18("9","8","5","2","4","9","1") = "8"
    & skf18("9","8","5","2","4","10","1") = "9"
    & skf18("9","8","5","2","5","1","1") = "8"
    & skf18("9","8","5","2","5","2","1") = "8"
    & skf18("9","8","5","2","5","3","1") = "8"
    & skf18("9","8","5","2","5","4","1") = "8"
    & skf18("9","8","5","2","5","5","1") = "8"
    & skf18("9","8","5","2","5","6","1") = "8"
    & skf18("9","8","5","2","5","7","1") = "8"
    & skf18("9","8","5","2","5","8","1") = "8"
    & skf18("9","8","5","2","5","9","1") = "8"
    & skf18("9","8","5","2","5","10","1") = "9"
    & skf18("9","8","5","2","6","1","1") = "8"
    & skf18("9","8","5","2","6","2","1") = "8"
    & skf18("9","8","5","2","6","3","1") = "8"
    & skf18("9","8","5","2","6","4","1") = "8"
    & skf18("9","8","5","2","6","5","1") = "8"
    & skf18("9","8","5","2","6","6","1") = "8"
    & skf18("9","8","5","2","6","7","1") = "8"
    & skf18("9","8","5","2","6","8","1") = "8"
    & skf18("9","8","5","2","6","9","1") = "8"
    & skf18("9","8","5","2","6","10","1") = "9"
    & skf18("9","8","5","2","7","1","1") = "8"
    & skf18("9","8","5","2","7","2","1") = "8"
    & skf18("9","8","5","2","7","3","1") = "8"
    & skf18("9","8","5","2","7","4","1") = "8"
    & skf18("9","8","5","2","7","5","1") = "8"
    & skf18("9","8","5","2","7","6","1") = "8"
    & skf18("9","8","5","2","7","7","1") = "8"
    & skf18("9","8","5","2","7","8","1") = "8"
    & skf18("9","8","5","2","7","9","1") = "8"
    & skf18("9","8","5","2","7","10","1") = "9"
    & skf18("9","8","5","2","8","1","1") = "8"
    & skf18("9","8","5","2","8","2","1") = "8"
    & skf18("9","8","5","2","8","3","1") = "8"
    & skf18("9","8","5","2","8","4","1") = "8"
    & skf18("9","8","5","2","8","5","1") = "8"
    & skf18("9","8","5","2","8","6","1") = "8"
    & skf18("9","8","5","2","8","7","1") = "8"
    & skf18("9","8","5","2","8","8","1") = "8"
    & skf18("9","8","5","2","8","9","1") = "8"
    & skf18("9","8","5","2","8","10","1") = "9"
    & skf18("9","8","5","2","9","1","1") = "8"
    & skf18("9","8","5","2","9","2","1") = "8"
    & skf18("9","8","5","2","9","3","1") = "8"
    & skf18("9","8","5","2","9","4","1") = "8"
    & skf18("9","8","5","2","9","5","1") = "8"
    & skf18("9","8","5","2","9","6","1") = "8"
    & skf18("9","8","5","2","9","7","1") = "8"
    & skf18("9","8","5","2","9","8","1") = "8"
    & skf18("9","8","5","2","9","9","1") = "8"
    & skf18("9","8","5","2","9","10","1") = "9"
    & skf18("9","8","5","2","10","1","1") = "9"
    & skf18("9","8","5","2","10","2","1") = "9"
    & skf18("9","8","5","2","10","3","1") = "9"
    & skf18("9","8","5","2","10","4","1") = "9"
    & skf18("9","8","5","2","10","5","1") = "9"
    & skf18("9","8","5","2","10","6","1") = "9"
    & skf18("9","8","5","2","10","7","1") = "9"
    & skf18("9","8","5","2","10","8","1") = "9"
    & skf18("9","8","5","2","10","9","1") = "9"
    & skf18("9","8","5","2","10","10","1") = "9"
    & skf18("9","8","5","3","1","1","1") = "8"
    & skf18("9","8","5","3","1","2","1") = "8"
    & skf18("9","8","5","3","1","3","1") = "8"
    & skf18("9","8","5","3","1","4","1") = "8"
    & skf18("9","8","5","3","1","5","1") = "8"
    & skf18("9","8","5","3","1","6","1") = "8"
    & skf18("9","8","5","3","1","7","1") = "8"
    & skf18("9","8","5","3","1","8","1") = "8"
    & skf18("9","8","5","3","1","9","1") = "8"
    & skf18("9","8","5","3","1","10","1") = "9"
    & skf18("9","8","5","3","2","1","1") = "8"
    & skf18("9","8","5","3","2","2","1") = "8"
    & skf18("9","8","5","3","2","3","1") = "8"
    & skf18("9","8","5","3","2","4","1") = "8"
    & skf18("9","8","5","3","2","5","1") = "8"
    & skf18("9","8","5","3","2","6","1") = "8"
    & skf18("9","8","5","3","2","7","1") = "8"
    & skf18("9","8","5","3","2","8","1") = "8"
    & skf18("9","8","5","3","2","9","1") = "8"
    & skf18("9","8","5","3","2","10","1") = "9"
    & skf18("9","8","5","3","3","1","1") = "8"
    & skf18("9","8","5","3","3","2","1") = "8"
    & skf18("9","8","5","3","3","3","1") = "8"
    & skf18("9","8","5","3","3","4","1") = "8"
    & skf18("9","8","5","3","3","5","1") = "8"
    & skf18("9","8","5","3","3","6","1") = "8"
    & skf18("9","8","5","3","3","7","1") = "8"
    & skf18("9","8","5","3","3","8","1") = "8"
    & skf18("9","8","5","3","3","9","1") = "8"
    & skf18("9","8","5","3","3","10","1") = "9"
    & skf18("9","8","5","3","4","1","1") = "8"
    & skf18("9","8","5","3","4","2","1") = "8"
    & skf18("9","8","5","3","4","3","1") = "8"
    & skf18("9","8","5","3","4","4","1") = "8"
    & skf18("9","8","5","3","4","5","1") = "8"
    & skf18("9","8","5","3","4","6","1") = "8"
    & skf18("9","8","5","3","4","7","1") = "8"
    & skf18("9","8","5","3","4","8","1") = "8"
    & skf18("9","8","5","3","4","9","1") = "8"
    & skf18("9","8","5","3","4","10","1") = "9"
    & skf18("9","8","5","3","5","1","1") = "8"
    & skf18("9","8","5","3","5","2","1") = "8"
    & skf18("9","8","5","3","5","3","1") = "8"
    & skf18("9","8","5","3","5","4","1") = "8"
    & skf18("9","8","5","3","5","5","1") = "8"
    & skf18("9","8","5","3","5","6","1") = "8"
    & skf18("9","8","5","3","5","7","1") = "8"
    & skf18("9","8","5","3","5","8","1") = "8"
    & skf18("9","8","5","3","5","9","1") = "8"
    & skf18("9","8","5","3","5","10","1") = "9"
    & skf18("9","8","5","3","6","1","1") = "8"
    & skf18("9","8","5","3","6","2","1") = "8"
    & skf18("9","8","5","3","6","3","1") = "8"
    & skf18("9","8","5","3","6","4","1") = "8"
    & skf18("9","8","5","3","6","5","1") = "8"
    & skf18("9","8","5","3","6","6","1") = "8"
    & skf18("9","8","5","3","6","7","1") = "8"
    & skf18("9","8","5","3","6","8","1") = "8"
    & skf18("9","8","5","3","6","9","1") = "8"
    & skf18("9","8","5","3","6","10","1") = "9"
    & skf18("9","8","5","3","7","1","1") = "8"
    & skf18("9","8","5","3","7","2","1") = "8"
    & skf18("9","8","5","3","7","3","1") = "8"
    & skf18("9","8","5","3","7","4","1") = "8"
    & skf18("9","8","5","3","7","5","1") = "8"
    & skf18("9","8","5","3","7","6","1") = "8"
    & skf18("9","8","5","3","7","7","1") = "8"
    & skf18("9","8","5","3","7","8","1") = "8"
    & skf18("9","8","5","3","7","9","1") = "8"
    & skf18("9","8","5","3","7","10","1") = "9"
    & skf18("9","8","5","3","8","1","1") = "8"
    & skf18("9","8","5","3","8","2","1") = "8"
    & skf18("9","8","5","3","8","3","1") = "8"
    & skf18("9","8","5","3","8","4","1") = "8"
    & skf18("9","8","5","3","8","5","1") = "8"
    & skf18("9","8","5","3","8","6","1") = "8"
    & skf18("9","8","5","3","8","7","1") = "8"
    & skf18("9","8","5","3","8","8","1") = "8"
    & skf18("9","8","5","3","8","9","1") = "8"
    & skf18("9","8","5","3","8","10","1") = "9"
    & skf18("9","8","5","3","9","1","1") = "8"
    & skf18("9","8","5","3","9","2","1") = "8"
    & skf18("9","8","5","3","9","3","1") = "8"
    & skf18("9","8","5","3","9","4","1") = "8"
    & skf18("9","8","5","3","9","5","1") = "8"
    & skf18("9","8","5","3","9","6","1") = "8"
    & skf18("9","8","5","3","9","7","1") = "8"
    & skf18("9","8","5","3","9","8","1") = "8"
    & skf18("9","8","5","3","9","9","1") = "8"
    & skf18("9","8","5","3","9","10","1") = "9"
    & skf18("9","8","5","3","10","1","1") = "9"
    & skf18("9","8","5","3","10","2","1") = "9"
    & skf18("9","8","5","3","10","3","1") = "9"
    & skf18("9","8","5","3","10","4","1") = "9"
    & skf18("9","8","5","3","10","5","1") = "9"
    & skf18("9","8","5","3","10","6","1") = "9"
    & skf18("9","8","5","3","10","7","1") = "9"
    & skf18("9","8","5","3","10","8","1") = "9"
    & skf18("9","8","5","3","10","9","1") = "9"
    & skf18("9","8","5","3","10","10","1") = "9"
    & skf18("9","8","5","4","1","1","1") = "8"
    & skf18("9","8","5","4","1","2","1") = "8"
    & skf18("9","8","5","4","1","3","1") = "8"
    & skf18("9","8","5","4","1","4","1") = "8"
    & skf18("9","8","5","4","1","5","1") = "8"
    & skf18("9","8","5","4","1","6","1") = "8"
    & skf18("9","8","5","4","1","7","1") = "8"
    & skf18("9","8","5","4","1","8","1") = "8"
    & skf18("9","8","5","4","1","9","1") = "8"
    & skf18("9","8","5","4","1","10","1") = "9"
    & skf18("9","8","5","4","2","1","1") = "8"
    & skf18("9","8","5","4","2","2","1") = "8"
    & skf18("9","8","5","4","2","3","1") = "8"
    & skf18("9","8","5","4","2","4","1") = "8"
    & skf18("9","8","5","4","2","5","1") = "8"
    & skf18("9","8","5","4","2","6","1") = "8"
    & skf18("9","8","5","4","2","7","1") = "8"
    & skf18("9","8","5","4","2","8","1") = "8"
    & skf18("9","8","5","4","2","9","1") = "8"
    & skf18("9","8","5","4","2","10","1") = "9"
    & skf18("9","8","5","4","3","1","1") = "8"
    & skf18("9","8","5","4","3","2","1") = "8"
    & skf18("9","8","5","4","3","3","1") = "8"
    & skf18("9","8","5","4","3","4","1") = "8"
    & skf18("9","8","5","4","3","5","1") = "8"
    & skf18("9","8","5","4","3","6","1") = "8"
    & skf18("9","8","5","4","3","7","1") = "8"
    & skf18("9","8","5","4","3","8","1") = "8"
    & skf18("9","8","5","4","3","9","1") = "8"
    & skf18("9","8","5","4","3","10","1") = "9"
    & skf18("9","8","5","4","4","1","1") = "8"
    & skf18("9","8","5","4","4","2","1") = "8"
    & skf18("9","8","5","4","4","3","1") = "8"
    & skf18("9","8","5","4","4","4","1") = "8"
    & skf18("9","8","5","4","4","5","1") = "8"
    & skf18("9","8","5","4","4","6","1") = "8"
    & skf18("9","8","5","4","4","7","1") = "8"
    & skf18("9","8","5","4","4","8","1") = "8"
    & skf18("9","8","5","4","4","9","1") = "8"
    & skf18("9","8","5","4","4","10","1") = "9"
    & skf18("9","8","5","4","5","1","1") = "8"
    & skf18("9","8","5","4","5","2","1") = "8"
    & skf18("9","8","5","4","5","3","1") = "8"
    & skf18("9","8","5","4","5","4","1") = "8"
    & skf18("9","8","5","4","5","5","1") = "8"
    & skf18("9","8","5","4","5","6","1") = "8"
    & skf18("9","8","5","4","5","7","1") = "8"
    & skf18("9","8","5","4","5","8","1") = "8"
    & skf18("9","8","5","4","5","9","1") = "8"
    & skf18("9","8","5","4","5","10","1") = "9"
    & skf18("9","8","5","4","6","1","1") = "8"
    & skf18("9","8","5","4","6","2","1") = "8"
    & skf18("9","8","5","4","6","3","1") = "8"
    & skf18("9","8","5","4","6","4","1") = "8"
    & skf18("9","8","5","4","6","5","1") = "8"
    & skf18("9","8","5","4","6","6","1") = "8"
    & skf18("9","8","5","4","6","7","1") = "8"
    & skf18("9","8","5","4","6","8","1") = "8"
    & skf18("9","8","5","4","6","9","1") = "8"
    & skf18("9","8","5","4","6","10","1") = "9"
    & skf18("9","8","5","4","7","1","1") = "8"
    & skf18("9","8","5","4","7","2","1") = "8"
    & skf18("9","8","5","4","7","3","1") = "8"
    & skf18("9","8","5","4","7","4","1") = "8"
    & skf18("9","8","5","4","7","5","1") = "8"
    & skf18("9","8","5","4","7","6","1") = "8"
    & skf18("9","8","5","4","7","7","1") = "8"
    & skf18("9","8","5","4","7","8","1") = "8"
    & skf18("9","8","5","4","7","9","1") = "8"
    & skf18("9","8","5","4","7","10","1") = "9"
    & skf18("9","8","5","4","8","1","1") = "8"
    & skf18("9","8","5","4","8","2","1") = "8"
    & skf18("9","8","5","4","8","3","1") = "8"
    & skf18("9","8","5","4","8","4","1") = "8"
    & skf18("9","8","5","4","8","5","1") = "8"
    & skf18("9","8","5","4","8","6","1") = "8"
    & skf18("9","8","5","4","8","7","1") = "8"
    & skf18("9","8","5","4","8","8","1") = "8"
    & skf18("9","8","5","4","8","9","1") = "8"
    & skf18("9","8","5","4","8","10","1") = "9"
    & skf18("9","8","5","4","9","1","1") = "8"
    & skf18("9","8","5","4","9","2","1") = "8"
    & skf18("9","8","5","4","9","3","1") = "8"
    & skf18("9","8","5","4","9","4","1") = "8"
    & skf18("9","8","5","4","9","5","1") = "8"
    & skf18("9","8","5","4","9","6","1") = "8"
    & skf18("9","8","5","4","9","7","1") = "8"
    & skf18("9","8","5","4","9","8","1") = "8"
    & skf18("9","8","5","4","9","9","1") = "8"
    & skf18("9","8","5","4","9","10","1") = "9"
    & skf18("9","8","5","4","10","1","1") = "9"
    & skf18("9","8","5","4","10","2","1") = "9"
    & skf18("9","8","5","4","10","3","1") = "9"
    & skf18("9","8","5","4","10","4","1") = "9"
    & skf18("9","8","5","4","10","5","1") = "9"
    & skf18("9","8","5","4","10","6","1") = "9"
    & skf18("9","8","5","4","10","7","1") = "9"
    & skf18("9","8","5","4","10","8","1") = "9"
    & skf18("9","8","5","4","10","9","1") = "9"
    & skf18("9","8","5","4","10","10","1") = "9"
    & skf18("9","8","5","5","1","1","1") = "8"
    & skf18("9","8","5","5","1","2","1") = "8"
    & skf18("9","8","5","5","1","3","1") = "8"
    & skf18("9","8","5","5","1","4","1") = "8"
    & skf18("9","8","5","5","1","5","1") = "8"
    & skf18("9","8","5","5","1","6","1") = "8"
    & skf18("9","8","5","5","1","7","1") = "8"
    & skf18("9","8","5","5","1","8","1") = "8"
    & skf18("9","8","5","5","1","9","1") = "8"
    & skf18("9","8","5","5","1","10","1") = "9"
    & skf18("9","8","5","5","2","1","1") = "8"
    & skf18("9","8","5","5","2","2","1") = "8"
    & skf18("9","8","5","5","2","3","1") = "8"
    & skf18("9","8","5","5","2","4","1") = "8"
    & skf18("9","8","5","5","2","5","1") = "8"
    & skf18("9","8","5","5","2","6","1") = "8"
    & skf18("9","8","5","5","2","7","1") = "8"
    & skf18("9","8","5","5","2","8","1") = "8"
    & skf18("9","8","5","5","2","9","1") = "8"
    & skf18("9","8","5","5","2","10","1") = "9"
    & skf18("9","8","5","5","3","1","1") = "8"
    & skf18("9","8","5","5","3","2","1") = "8"
    & skf18("9","8","5","5","3","3","1") = "8"
    & skf18("9","8","5","5","3","4","1") = "8"
    & skf18("9","8","5","5","3","5","1") = "8"
    & skf18("9","8","5","5","3","6","1") = "8"
    & skf18("9","8","5","5","3","7","1") = "8"
    & skf18("9","8","5","5","3","8","1") = "8"
    & skf18("9","8","5","5","3","9","1") = "8"
    & skf18("9","8","5","5","3","10","1") = "9"
    & skf18("9","8","5","5","4","1","1") = "8"
    & skf18("9","8","5","5","4","2","1") = "8"
    & skf18("9","8","5","5","4","3","1") = "8"
    & skf18("9","8","5","5","4","4","1") = "8"
    & skf18("9","8","5","5","4","5","1") = "8"
    & skf18("9","8","5","5","4","6","1") = "8"
    & skf18("9","8","5","5","4","7","1") = "8"
    & skf18("9","8","5","5","4","8","1") = "8"
    & skf18("9","8","5","5","4","9","1") = "8"
    & skf18("9","8","5","5","4","10","1") = "9"
    & skf18("9","8","5","5","5","1","1") = "8"
    & skf18("9","8","5","5","5","2","1") = "8"
    & skf18("9","8","5","5","5","3","1") = "8"
    & skf18("9","8","5","5","5","4","1") = "8"
    & skf18("9","8","5","5","5","5","1") = "8"
    & skf18("9","8","5","5","5","6","1") = "8"
    & skf18("9","8","5","5","5","7","1") = "8"
    & skf18("9","8","5","5","5","8","1") = "8"
    & skf18("9","8","5","5","5","9","1") = "8"
    & skf18("9","8","5","5","5","10","1") = "9"
    & skf18("9","8","5","5","6","1","1") = "8"
    & skf18("9","8","5","5","6","2","1") = "8"
    & skf18("9","8","5","5","6","3","1") = "8"
    & skf18("9","8","5","5","6","4","1") = "8"
    & skf18("9","8","5","5","6","5","1") = "8"
    & skf18("9","8","5","5","6","6","1") = "8"
    & skf18("9","8","5","5","6","7","1") = "8"
    & skf18("9","8","5","5","6","8","1") = "8"
    & skf18("9","8","5","5","6","9","1") = "8"
    & skf18("9","8","5","5","6","10","1") = "9"
    & skf18("9","8","5","5","7","1","1") = "8"
    & skf18("9","8","5","5","7","2","1") = "8"
    & skf18("9","8","5","5","7","3","1") = "8"
    & skf18("9","8","5","5","7","4","1") = "8"
    & skf18("9","8","5","5","7","5","1") = "8"
    & skf18("9","8","5","5","7","6","1") = "8"
    & skf18("9","8","5","5","7","7","1") = "8"
    & skf18("9","8","5","5","7","8","1") = "8"
    & skf18("9","8","5","5","7","9","1") = "8"
    & skf18("9","8","5","5","7","10","1") = "9"
    & skf18("9","8","5","5","8","1","1") = "8"
    & skf18("9","8","5","5","8","2","1") = "8"
    & skf18("9","8","5","5","8","3","1") = "8"
    & skf18("9","8","5","5","8","4","1") = "8"
    & skf18("9","8","5","5","8","5","1") = "8"
    & skf18("9","8","5","5","8","6","1") = "8"
    & skf18("9","8","5","5","8","7","1") = "8"
    & skf18("9","8","5","5","8","8","1") = "8"
    & skf18("9","8","5","5","8","9","1") = "8"
    & skf18("9","8","5","5","8","10","1") = "9"
    & skf18("9","8","5","5","9","1","1") = "8"
    & skf18("9","8","5","5","9","2","1") = "8"
    & skf18("9","8","5","5","9","3","1") = "8"
    & skf18("9","8","5","5","9","4","1") = "8"
    & skf18("9","8","5","5","9","5","1") = "8"
    & skf18("9","8","5","5","9","6","1") = "8"
    & skf18("9","8","5","5","9","7","1") = "8"
    & skf18("9","8","5","5","9","8","1") = "8"
    & skf18("9","8","5","5","9","9","1") = "8"
    & skf18("9","8","5","5","9","10","1") = "9"
    & skf18("9","8","5","5","10","1","1") = "9"
    & skf18("9","8","5","5","10","2","1") = "9"
    & skf18("9","8","5","5","10","3","1") = "9"
    & skf18("9","8","5","5","10","4","1") = "9"
    & skf18("9","8","5","5","10","5","1") = "9"
    & skf18("9","8","5","5","10","6","1") = "9"
    & skf18("9","8","5","5","10","7","1") = "9"
    & skf18("9","8","5","5","10","8","1") = "9"
    & skf18("9","8","5","5","10","9","1") = "9"
    & skf18("9","8","5","5","10","10","1") = "9"
    & skf18("9","8","5","6","1","1","1") = "8"
    & skf18("9","8","5","6","1","2","1") = "8"
    & skf18("9","8","5","6","1","3","1") = "8"
    & skf18("9","8","5","6","1","4","1") = "8"
    & skf18("9","8","5","6","1","5","1") = "8"
    & skf18("9","8","5","6","1","6","1") = "8"
    & skf18("9","8","5","6","1","7","1") = "8"
    & skf18("9","8","5","6","1","8","1") = "8"
    & skf18("9","8","5","6","1","9","1") = "8"
    & skf18("9","8","5","6","1","10","1") = "9"
    & skf18("9","8","5","6","2","1","1") = "8"
    & skf18("9","8","5","6","2","2","1") = "8"
    & skf18("9","8","5","6","2","3","1") = "8"
    & skf18("9","8","5","6","2","4","1") = "8"
    & skf18("9","8","5","6","2","5","1") = "8"
    & skf18("9","8","5","6","2","6","1") = "8"
    & skf18("9","8","5","6","2","7","1") = "8"
    & skf18("9","8","5","6","2","8","1") = "8"
    & skf18("9","8","5","6","2","9","1") = "8"
    & skf18("9","8","5","6","2","10","1") = "9"
    & skf18("9","8","5","6","3","1","1") = "8"
    & skf18("9","8","5","6","3","2","1") = "8"
    & skf18("9","8","5","6","3","3","1") = "8"
    & skf18("9","8","5","6","3","4","1") = "8"
    & skf18("9","8","5","6","3","5","1") = "8"
    & skf18("9","8","5","6","3","6","1") = "8"
    & skf18("9","8","5","6","3","7","1") = "8"
    & skf18("9","8","5","6","3","8","1") = "8"
    & skf18("9","8","5","6","3","9","1") = "8"
    & skf18("9","8","5","6","3","10","1") = "9"
    & skf18("9","8","5","6","4","1","1") = "8"
    & skf18("9","8","5","6","4","2","1") = "8"
    & skf18("9","8","5","6","4","3","1") = "8"
    & skf18("9","8","5","6","4","4","1") = "8"
    & skf18("9","8","5","6","4","5","1") = "8"
    & skf18("9","8","5","6","4","6","1") = "8"
    & skf18("9","8","5","6","4","7","1") = "8"
    & skf18("9","8","5","6","4","8","1") = "8"
    & skf18("9","8","5","6","4","9","1") = "8"
    & skf18("9","8","5","6","4","10","1") = "9"
    & skf18("9","8","5","6","5","1","1") = "8"
    & skf18("9","8","5","6","5","2","1") = "8"
    & skf18("9","8","5","6","5","3","1") = "8"
    & skf18("9","8","5","6","5","4","1") = "8"
    & skf18("9","8","5","6","5","5","1") = "8"
    & skf18("9","8","5","6","5","6","1") = "8"
    & skf18("9","8","5","6","5","7","1") = "8"
    & skf18("9","8","5","6","5","8","1") = "8"
    & skf18("9","8","5","6","5","9","1") = "8"
    & skf18("9","8","5","6","5","10","1") = "9"
    & skf18("9","8","5","6","6","1","1") = "8"
    & skf18("9","8","5","6","6","2","1") = "8"
    & skf18("9","8","5","6","6","3","1") = "8"
    & skf18("9","8","5","6","6","4","1") = "8"
    & skf18("9","8","5","6","6","5","1") = "8"
    & skf18("9","8","5","6","6","6","1") = "8"
    & skf18("9","8","5","6","6","7","1") = "8"
    & skf18("9","8","5","6","6","8","1") = "8"
    & skf18("9","8","5","6","6","9","1") = "8"
    & skf18("9","8","5","6","6","10","1") = "9"
    & skf18("9","8","5","6","7","1","1") = "8"
    & skf18("9","8","5","6","7","2","1") = "8"
    & skf18("9","8","5","6","7","3","1") = "8"
    & skf18("9","8","5","6","7","4","1") = "8"
    & skf18("9","8","5","6","7","5","1") = "8"
    & skf18("9","8","5","6","7","6","1") = "8"
    & skf18("9","8","5","6","7","7","1") = "8"
    & skf18("9","8","5","6","7","8","1") = "8"
    & skf18("9","8","5","6","7","9","1") = "8"
    & skf18("9","8","5","6","7","10","1") = "9"
    & skf18("9","8","5","6","8","1","1") = "8"
    & skf18("9","8","5","6","8","2","1") = "8"
    & skf18("9","8","5","6","8","3","1") = "8"
    & skf18("9","8","5","6","8","4","1") = "8"
    & skf18("9","8","5","6","8","5","1") = "8"
    & skf18("9","8","5","6","8","6","1") = "8"
    & skf18("9","8","5","6","8","7","1") = "8"
    & skf18("9","8","5","6","8","8","1") = "8"
    & skf18("9","8","5","6","8","9","1") = "8"
    & skf18("9","8","5","6","8","10","1") = "9"
    & skf18("9","8","5","6","9","1","1") = "8"
    & skf18("9","8","5","6","9","2","1") = "8"
    & skf18("9","8","5","6","9","3","1") = "8"
    & skf18("9","8","5","6","9","4","1") = "8"
    & skf18("9","8","5","6","9","5","1") = "8"
    & skf18("9","8","5","6","9","6","1") = "8"
    & skf18("9","8","5","6","9","7","1") = "8"
    & skf18("9","8","5","6","9","8","1") = "8"
    & skf18("9","8","5","6","9","9","1") = "8"
    & skf18("9","8","5","6","9","10","1") = "9"
    & skf18("9","8","5","6","10","1","1") = "9"
    & skf18("9","8","5","6","10","2","1") = "9"
    & skf18("9","8","5","6","10","3","1") = "9"
    & skf18("9","8","5","6","10","4","1") = "9"
    & skf18("9","8","5","6","10","5","1") = "9"
    & skf18("9","8","5","6","10","6","1") = "9"
    & skf18("9","8","5","6","10","7","1") = "9"
    & skf18("9","8","5","6","10","8","1") = "9"
    & skf18("9","8","5","6","10","9","1") = "9"
    & skf18("9","8","5","6","10","10","1") = "9"
    & skf18("9","8","5","7","1","1","1") = "8"
    & skf18("9","8","5","7","1","2","1") = "8"
    & skf18("9","8","5","7","1","3","1") = "8"
    & skf18("9","8","5","7","1","4","1") = "8"
    & skf18("9","8","5","7","1","5","1") = "8"
    & skf18("9","8","5","7","1","6","1") = "8"
    & skf18("9","8","5","7","1","7","1") = "8"
    & skf18("9","8","5","7","1","8","1") = "8"
    & skf18("9","8","5","7","1","9","1") = "8"
    & skf18("9","8","5","7","1","10","1") = "9"
    & skf18("9","8","5","7","2","1","1") = "8"
    & skf18("9","8","5","7","2","2","1") = "8"
    & skf18("9","8","5","7","2","3","1") = "8"
    & skf18("9","8","5","7","2","4","1") = "8"
    & skf18("9","8","5","7","2","5","1") = "8"
    & skf18("9","8","5","7","2","6","1") = "8"
    & skf18("9","8","5","7","2","7","1") = "8"
    & skf18("9","8","5","7","2","8","1") = "8"
    & skf18("9","8","5","7","2","9","1") = "8"
    & skf18("9","8","5","7","2","10","1") = "9"
    & skf18("9","8","5","7","3","1","1") = "8"
    & skf18("9","8","5","7","3","2","1") = "8"
    & skf18("9","8","5","7","3","3","1") = "8"
    & skf18("9","8","5","7","3","4","1") = "8"
    & skf18("9","8","5","7","3","5","1") = "8"
    & skf18("9","8","5","7","3","6","1") = "8"
    & skf18("9","8","5","7","3","7","1") = "8"
    & skf18("9","8","5","7","3","8","1") = "8"
    & skf18("9","8","5","7","3","9","1") = "8"
    & skf18("9","8","5","7","3","10","1") = "9"
    & skf18("9","8","5","7","4","1","1") = "8"
    & skf18("9","8","5","7","4","2","1") = "8"
    & skf18("9","8","5","7","4","3","1") = "8"
    & skf18("9","8","5","7","4","4","1") = "8"
    & skf18("9","8","5","7","4","5","1") = "8"
    & skf18("9","8","5","7","4","6","1") = "8"
    & skf18("9","8","5","7","4","7","1") = "8"
    & skf18("9","8","5","7","4","8","1") = "8"
    & skf18("9","8","5","7","4","9","1") = "8"
    & skf18("9","8","5","7","4","10","1") = "9"
    & skf18("9","8","5","7","5","1","1") = "8"
    & skf18("9","8","5","7","5","2","1") = "8"
    & skf18("9","8","5","7","5","3","1") = "8"
    & skf18("9","8","5","7","5","4","1") = "8"
    & skf18("9","8","5","7","5","5","1") = "8"
    & skf18("9","8","5","7","5","6","1") = "8"
    & skf18("9","8","5","7","5","7","1") = "8"
    & skf18("9","8","5","7","5","8","1") = "8"
    & skf18("9","8","5","7","5","9","1") = "8"
    & skf18("9","8","5","7","5","10","1") = "9"
    & skf18("9","8","5","7","6","1","1") = "8"
    & skf18("9","8","5","7","6","2","1") = "8"
    & skf18("9","8","5","7","6","3","1") = "8"
    & skf18("9","8","5","7","6","4","1") = "8"
    & skf18("9","8","5","7","6","5","1") = "8"
    & skf18("9","8","5","7","6","6","1") = "8"
    & skf18("9","8","5","7","6","7","1") = "8"
    & skf18("9","8","5","7","6","8","1") = "8"
    & skf18("9","8","5","7","6","9","1") = "8"
    & skf18("9","8","5","7","6","10","1") = "9"
    & skf18("9","8","5","7","7","1","1") = "8"
    & skf18("9","8","5","7","7","2","1") = "8"
    & skf18("9","8","5","7","7","3","1") = "8"
    & skf18("9","8","5","7","7","4","1") = "8"
    & skf18("9","8","5","7","7","5","1") = "8"
    & skf18("9","8","5","7","7","6","1") = "8"
    & skf18("9","8","5","7","7","7","1") = "8"
    & skf18("9","8","5","7","7","8","1") = "8"
    & skf18("9","8","5","7","7","9","1") = "8"
    & skf18("9","8","5","7","7","10","1") = "9"
    & skf18("9","8","5","7","8","1","1") = "8"
    & skf18("9","8","5","7","8","2","1") = "8"
    & skf18("9","8","5","7","8","3","1") = "8"
    & skf18("9","8","5","7","8","4","1") = "8"
    & skf18("9","8","5","7","8","5","1") = "8"
    & skf18("9","8","5","7","8","6","1") = "8"
    & skf18("9","8","5","7","8","7","1") = "8"
    & skf18("9","8","5","7","8","8","1") = "8"
    & skf18("9","8","5","7","8","9","1") = "8"
    & skf18("9","8","5","7","8","10","1") = "9"
    & skf18("9","8","5","7","9","1","1") = "8"
    & skf18("9","8","5","7","9","2","1") = "8"
    & skf18("9","8","5","7","9","3","1") = "8"
    & skf18("9","8","5","7","9","4","1") = "8"
    & skf18("9","8","5","7","9","5","1") = "8"
    & skf18("9","8","5","7","9","6","1") = "8"
    & skf18("9","8","5","7","9","7","1") = "8"
    & skf18("9","8","5","7","9","8","1") = "8"
    & skf18("9","8","5","7","9","9","1") = "8"
    & skf18("9","8","5","7","9","10","1") = "9"
    & skf18("9","8","5","7","10","1","1") = "9"
    & skf18("9","8","5","7","10","2","1") = "9"
    & skf18("9","8","5","7","10","3","1") = "9"
    & skf18("9","8","5","7","10","4","1") = "9"
    & skf18("9","8","5","7","10","5","1") = "9"
    & skf18("9","8","5","7","10","6","1") = "9"
    & skf18("9","8","5","7","10","7","1") = "9"
    & skf18("9","8","5","7","10","8","1") = "9"
    & skf18("9","8","5","7","10","9","1") = "9"
    & skf18("9","8","5","7","10","10","1") = "9"
    & skf18("9","8","5","8","1","1","1") = "8"
    & skf18("9","8","5","8","1","2","1") = "8"
    & skf18("9","8","5","8","1","3","1") = "8"
    & skf18("9","8","5","8","1","4","1") = "8"
    & skf18("9","8","5","8","1","5","1") = "8"
    & skf18("9","8","5","8","1","6","1") = "8"
    & skf18("9","8","5","8","1","7","1") = "8"
    & skf18("9","8","5","8","1","8","1") = "8"
    & skf18("9","8","5","8","1","9","1") = "8"
    & skf18("9","8","5","8","1","10","1") = "9"
    & skf18("9","8","5","8","2","1","1") = "8"
    & skf18("9","8","5","8","2","2","1") = "8"
    & skf18("9","8","5","8","2","3","1") = "8"
    & skf18("9","8","5","8","2","4","1") = "8"
    & skf18("9","8","5","8","2","5","1") = "8"
    & skf18("9","8","5","8","2","6","1") = "8"
    & skf18("9","8","5","8","2","7","1") = "8"
    & skf18("9","8","5","8","2","8","1") = "8"
    & skf18("9","8","5","8","2","9","1") = "8"
    & skf18("9","8","5","8","2","10","1") = "9"
    & skf18("9","8","5","8","3","1","1") = "8"
    & skf18("9","8","5","8","3","2","1") = "8"
    & skf18("9","8","5","8","3","3","1") = "8"
    & skf18("9","8","5","8","3","4","1") = "8"
    & skf18("9","8","5","8","3","5","1") = "8"
    & skf18("9","8","5","8","3","6","1") = "8"
    & skf18("9","8","5","8","3","7","1") = "8"
    & skf18("9","8","5","8","3","8","1") = "8"
    & skf18("9","8","5","8","3","9","1") = "8"
    & skf18("9","8","5","8","3","10","1") = "9"
    & skf18("9","8","5","8","4","1","1") = "8"
    & skf18("9","8","5","8","4","2","1") = "8"
    & skf18("9","8","5","8","4","3","1") = "8"
    & skf18("9","8","5","8","4","4","1") = "8"
    & skf18("9","8","5","8","4","5","1") = "8"
    & skf18("9","8","5","8","4","6","1") = "8"
    & skf18("9","8","5","8","4","7","1") = "8"
    & skf18("9","8","5","8","4","8","1") = "8"
    & skf18("9","8","5","8","4","9","1") = "8"
    & skf18("9","8","5","8","4","10","1") = "9"
    & skf18("9","8","5","8","5","1","1") = "8"
    & skf18("9","8","5","8","5","2","1") = "8"
    & skf18("9","8","5","8","5","3","1") = "8"
    & skf18("9","8","5","8","5","4","1") = "8"
    & skf18("9","8","5","8","5","5","1") = "8"
    & skf18("9","8","5","8","5","6","1") = "8"
    & skf18("9","8","5","8","5","7","1") = "8"
    & skf18("9","8","5","8","5","8","1") = "8"
    & skf18("9","8","5","8","5","9","1") = "8"
    & skf18("9","8","5","8","5","10","1") = "9"
    & skf18("9","8","5","8","6","1","1") = "8"
    & skf18("9","8","5","8","6","2","1") = "8"
    & skf18("9","8","5","8","6","3","1") = "8"
    & skf18("9","8","5","8","6","4","1") = "8"
    & skf18("9","8","5","8","6","5","1") = "8"
    & skf18("9","8","5","8","6","6","1") = "8"
    & skf18("9","8","5","8","6","7","1") = "8"
    & skf18("9","8","5","8","6","8","1") = "8"
    & skf18("9","8","5","8","6","9","1") = "8"
    & skf18("9","8","5","8","6","10","1") = "9"
    & skf18("9","8","5","8","7","1","1") = "8"
    & skf18("9","8","5","8","7","2","1") = "8"
    & skf18("9","8","5","8","7","3","1") = "8"
    & skf18("9","8","5","8","7","4","1") = "8"
    & skf18("9","8","5","8","7","5","1") = "8"
    & skf18("9","8","5","8","7","6","1") = "8"
    & skf18("9","8","5","8","7","7","1") = "8"
    & skf18("9","8","5","8","7","8","1") = "8"
    & skf18("9","8","5","8","7","9","1") = "8"
    & skf18("9","8","5","8","7","10","1") = "9"
    & skf18("9","8","5","8","8","1","1") = "8"
    & skf18("9","8","5","8","8","2","1") = "8"
    & skf18("9","8","5","8","8","3","1") = "8"
    & skf18("9","8","5","8","8","4","1") = "8"
    & skf18("9","8","5","8","8","5","1") = "8"
    & skf18("9","8","5","8","8","6","1") = "8"
    & skf18("9","8","5","8","8","7","1") = "8"
    & skf18("9","8","5","8","8","8","1") = "8"
    & skf18("9","8","5","8","8","9","1") = "8"
    & skf18("9","8","5","8","8","10","1") = "9"
    & skf18("9","8","5","8","9","1","1") = "8"
    & skf18("9","8","5","8","9","2","1") = "8"
    & skf18("9","8","5","8","9","3","1") = "8"
    & skf18("9","8","5","8","9","4","1") = "8"
    & skf18("9","8","5","8","9","5","1") = "8"
    & skf18("9","8","5","8","9","6","1") = "8"
    & skf18("9","8","5","8","9","7","1") = "8"
    & skf18("9","8","5","8","9","8","1") = "8"
    & skf18("9","8","5","8","9","9","1") = "8"
    & skf18("9","8","5","8","9","10","1") = "9"
    & skf18("9","8","5","8","10","1","1") = "9"
    & skf18("9","8","5","8","10","2","1") = "9"
    & skf18("9","8","5","8","10","3","1") = "9"
    & skf18("9","8","5","8","10","4","1") = "9"
    & skf18("9","8","5","8","10","5","1") = "9"
    & skf18("9","8","5","8","10","6","1") = "9"
    & skf18("9","8","5","8","10","7","1") = "9"
    & skf18("9","8","5","8","10","8","1") = "9"
    & skf18("9","8","5","8","10","9","1") = "9"
    & skf18("9","8","5","8","10","10","1") = "9"
    & skf18("9","8","5","9","1","1","1") = "8"
    & skf18("9","8","5","9","1","2","1") = "8"
    & skf18("9","8","5","9","1","3","1") = "8"
    & skf18("9","8","5","9","1","4","1") = "8"
    & skf18("9","8","5","9","1","5","1") = "8"
    & skf18("9","8","5","9","1","6","1") = "8"
    & skf18("9","8","5","9","1","7","1") = "8"
    & skf18("9","8","5","9","1","8","1") = "8"
    & skf18("9","8","5","9","1","9","1") = "8"
    & skf18("9","8","5","9","1","10","1") = "9"
    & skf18("9","8","5","9","2","1","1") = "8"
    & skf18("9","8","5","9","2","2","1") = "8"
    & skf18("9","8","5","9","2","3","1") = "8"
    & skf18("9","8","5","9","2","4","1") = "8"
    & skf18("9","8","5","9","2","5","1") = "8"
    & skf18("9","8","5","9","2","6","1") = "8"
    & skf18("9","8","5","9","2","7","1") = "8"
    & skf18("9","8","5","9","2","8","1") = "8"
    & skf18("9","8","5","9","2","9","1") = "8"
    & skf18("9","8","5","9","2","10","1") = "9"
    & skf18("9","8","5","9","3","1","1") = "8"
    & skf18("9","8","5","9","3","2","1") = "8"
    & skf18("9","8","5","9","3","3","1") = "8"
    & skf18("9","8","5","9","3","4","1") = "8"
    & skf18("9","8","5","9","3","5","1") = "8"
    & skf18("9","8","5","9","3","6","1") = "8"
    & skf18("9","8","5","9","3","7","1") = "8"
    & skf18("9","8","5","9","3","8","1") = "8"
    & skf18("9","8","5","9","3","9","1") = "8"
    & skf18("9","8","5","9","3","10","1") = "9"
    & skf18("9","8","5","9","4","1","1") = "8"
    & skf18("9","8","5","9","4","2","1") = "8"
    & skf18("9","8","5","9","4","3","1") = "8"
    & skf18("9","8","5","9","4","4","1") = "8"
    & skf18("9","8","5","9","4","5","1") = "8"
    & skf18("9","8","5","9","4","6","1") = "8"
    & skf18("9","8","5","9","4","7","1") = "8"
    & skf18("9","8","5","9","4","8","1") = "8"
    & skf18("9","8","5","9","4","9","1") = "8"
    & skf18("9","8","5","9","4","10","1") = "9"
    & skf18("9","8","5","9","5","1","1") = "8"
    & skf18("9","8","5","9","5","2","1") = "8"
    & skf18("9","8","5","9","5","3","1") = "8"
    & skf18("9","8","5","9","5","4","1") = "8"
    & skf18("9","8","5","9","5","5","1") = "8"
    & skf18("9","8","5","9","5","6","1") = "8"
    & skf18("9","8","5","9","5","7","1") = "8"
    & skf18("9","8","5","9","5","8","1") = "8"
    & skf18("9","8","5","9","5","9","1") = "8"
    & skf18("9","8","5","9","5","10","1") = "9"
    & skf18("9","8","5","9","6","1","1") = "8"
    & skf18("9","8","5","9","6","2","1") = "8"
    & skf18("9","8","5","9","6","3","1") = "8"
    & skf18("9","8","5","9","6","4","1") = "8"
    & skf18("9","8","5","9","6","5","1") = "8"
    & skf18("9","8","5","9","6","6","1") = "8"
    & skf18("9","8","5","9","6","7","1") = "8"
    & skf18("9","8","5","9","6","8","1") = "8"
    & skf18("9","8","5","9","6","9","1") = "8"
    & skf18("9","8","5","9","6","10","1") = "9"
    & skf18("9","8","5","9","7","1","1") = "8"
    & skf18("9","8","5","9","7","2","1") = "8"
    & skf18("9","8","5","9","7","3","1") = "8"
    & skf18("9","8","5","9","7","4","1") = "8"
    & skf18("9","8","5","9","7","5","1") = "8"
    & skf18("9","8","5","9","7","6","1") = "8"
    & skf18("9","8","5","9","7","7","1") = "8"
    & skf18("9","8","5","9","7","8","1") = "8"
    & skf18("9","8","5","9","7","9","1") = "8"
    & skf18("9","8","5","9","7","10","1") = "9"
    & skf18("9","8","5","9","8","1","1") = "8"
    & skf18("9","8","5","9","8","2","1") = "8"
    & skf18("9","8","5","9","8","3","1") = "8"
    & skf18("9","8","5","9","8","4","1") = "8"
    & skf18("9","8","5","9","8","5","1") = "8"
    & skf18("9","8","5","9","8","6","1") = "8"
    & skf18("9","8","5","9","8","7","1") = "8"
    & skf18("9","8","5","9","8","8","1") = "8"
    & skf18("9","8","5","9","8","9","1") = "8"
    & skf18("9","8","5","9","8","10","1") = "9"
    & skf18("9","8","5","9","9","1","1") = "8"
    & skf18("9","8","5","9","9","2","1") = "8"
    & skf18("9","8","5","9","9","3","1") = "8"
    & skf18("9","8","5","9","9","4","1") = "8"
    & skf18("9","8","5","9","9","5","1") = "8"
    & skf18("9","8","5","9","9","6","1") = "8"
    & skf18("9","8","5","9","9","7","1") = "8"
    & skf18("9","8","5","9","9","8","1") = "8"
    & skf18("9","8","5","9","9","9","1") = "8"
    & skf18("9","8","5","9","9","10","1") = "9"
    & skf18("9","8","5","9","10","1","1") = "9"
    & skf18("9","8","5","9","10","2","1") = "9"
    & skf18("9","8","5","9","10","3","1") = "9"
    & skf18("9","8","5","9","10","4","1") = "9"
    & skf18("9","8","5","9","10","5","1") = "9"
    & skf18("9","8","5","9","10","6","1") = "9"
    & skf18("9","8","5","9","10","7","1") = "9"
    & skf18("9","8","5","9","10","8","1") = "9"
    & skf18("9","8","5","9","10","9","1") = "9"
    & skf18("9","8","5","9","10","10","1") = "9"
    & skf18("9","8","5","10","1","1","1") = "9"
    & skf18("9","8","5","10","1","2","1") = "9"
    & skf18("9","8","5","10","1","3","1") = "9"
    & skf18("9","8","5","10","1","4","1") = "9"
    & skf18("9","8","5","10","1","5","1") = "9"
    & skf18("9","8","5","10","1","6","1") = "9"
    & skf18("9","8","5","10","1","7","1") = "9"
    & skf18("9","8","5","10","1","8","1") = "9"
    & skf18("9","8","5","10","1","9","1") = "9"
    & skf18("9","8","5","10","1","10","1") = "9"
    & skf18("9","8","5","10","2","1","1") = "9"
    & skf18("9","8","5","10","2","2","1") = "9"
    & skf18("9","8","5","10","2","3","1") = "9"
    & skf18("9","8","5","10","2","4","1") = "9"
    & skf18("9","8","5","10","2","5","1") = "9"
    & skf18("9","8","5","10","2","6","1") = "9"
    & skf18("9","8","5","10","2","7","1") = "9"
    & skf18("9","8","5","10","2","8","1") = "9"
    & skf18("9","8","5","10","2","9","1") = "9"
    & skf18("9","8","5","10","2","10","1") = "9"
    & skf18("9","8","5","10","3","1","1") = "9"
    & skf18("9","8","5","10","3","2","1") = "9"
    & skf18("9","8","5","10","3","3","1") = "9"
    & skf18("9","8","5","10","3","4","1") = "9"
    & skf18("9","8","5","10","3","5","1") = "9"
    & skf18("9","8","5","10","3","6","1") = "9"
    & skf18("9","8","5","10","3","7","1") = "9"
    & skf18("9","8","5","10","3","8","1") = "9"
    & skf18("9","8","5","10","3","9","1") = "9"
    & skf18("9","8","5","10","3","10","1") = "9"
    & skf18("9","8","5","10","4","1","1") = "9"
    & skf18("9","8","5","10","4","2","1") = "9"
    & skf18("9","8","5","10","4","3","1") = "9"
    & skf18("9","8","5","10","4","4","1") = "9"
    & skf18("9","8","5","10","4","5","1") = "9"
    & skf18("9","8","5","10","4","6","1") = "9"
    & skf18("9","8","5","10","4","7","1") = "9"
    & skf18("9","8","5","10","4","8","1") = "9"
    & skf18("9","8","5","10","4","9","1") = "9"
    & skf18("9","8","5","10","4","10","1") = "9"
    & skf18("9","8","5","10","5","1","1") = "9"
    & skf18("9","8","5","10","5","2","1") = "9"
    & skf18("9","8","5","10","5","3","1") = "9"
    & skf18("9","8","5","10","5","4","1") = "9"
    & skf18("9","8","5","10","5","5","1") = "9"
    & skf18("9","8","5","10","5","6","1") = "9"
    & skf18("9","8","5","10","5","7","1") = "9"
    & skf18("9","8","5","10","5","8","1") = "9"
    & skf18("9","8","5","10","5","9","1") = "9"
    & skf18("9","8","5","10","5","10","1") = "9"
    & skf18("9","8","5","10","6","1","1") = "9"
    & skf18("9","8","5","10","6","2","1") = "9"
    & skf18("9","8","5","10","6","3","1") = "9"
    & skf18("9","8","5","10","6","4","1") = "9"
    & skf18("9","8","5","10","6","5","1") = "9"
    & skf18("9","8","5","10","6","6","1") = "9"
    & skf18("9","8","5","10","6","7","1") = "9"
    & skf18("9","8","5","10","6","8","1") = "9"
    & skf18("9","8","5","10","6","9","1") = "9"
    & skf18("9","8","5","10","6","10","1") = "9"
    & skf18("9","8","5","10","7","1","1") = "9"
    & skf18("9","8","5","10","7","2","1") = "9"
    & skf18("9","8","5","10","7","3","1") = "9"
    & skf18("9","8","5","10","7","4","1") = "9"
    & skf18("9","8","5","10","7","5","1") = "9"
    & skf18("9","8","5","10","7","6","1") = "9"
    & skf18("9","8","5","10","7","7","1") = "9"
    & skf18("9","8","5","10","7","8","1") = "9"
    & skf18("9","8","5","10","7","9","1") = "9"
    & skf18("9","8","5","10","7","10","1") = "9"
    & skf18("9","8","5","10","8","1","1") = "9"
    & skf18("9","8","5","10","8","2","1") = "9"
    & skf18("9","8","5","10","8","3","1") = "9"
    & skf18("9","8","5","10","8","4","1") = "9"
    & skf18("9","8","5","10","8","5","1") = "9"
    & skf18("9","8","5","10","8","6","1") = "9"
    & skf18("9","8","5","10","8","7","1") = "9"
    & skf18("9","8","5","10","8","8","1") = "9"
    & skf18("9","8","5","10","8","9","1") = "9"
    & skf18("9","8","5","10","8","10","1") = "9"
    & skf18("9","8","5","10","9","1","1") = "9"
    & skf18("9","8","5","10","9","2","1") = "9"
    & skf18("9","8","5","10","9","3","1") = "9"
    & skf18("9","8","5","10","9","4","1") = "9"
    & skf18("9","8","5","10","9","5","1") = "9"
    & skf18("9","8","5","10","9","6","1") = "9"
    & skf18("9","8","5","10","9","7","1") = "9"
    & skf18("9","8","5","10","9","8","1") = "9"
    & skf18("9","8","5","10","9","9","1") = "9"
    & skf18("9","8","5","10","9","10","1") = "9"
    & skf18("9","8","5","10","10","1","1") = "9"
    & skf18("9","8","5","10","10","2","1") = "9"
    & skf18("9","8","5","10","10","3","1") = "9"
    & skf18("9","8","5","10","10","4","1") = "9"
    & skf18("9","8","5","10","10","5","1") = "9"
    & skf18("9","8","5","10","10","6","1") = "9"
    & skf18("9","8","5","10","10","7","1") = "9"
    & skf18("9","8","5","10","10","8","1") = "9"
    & skf18("9","8","5","10","10","9","1") = "9"
    & skf18("9","8","5","10","10","10","1") = "9"
    & skf18("9","8","6","1","1","1","1") = "8"
    & skf18("9","8","6","1","1","2","1") = "8"
    & skf18("9","8","6","1","1","3","1") = "8"
    & skf18("9","8","6","1","1","4","1") = "8"
    & skf18("9","8","6","1","1","5","1") = "8"
    & skf18("9","8","6","1","1","6","1") = "8"
    & skf18("9","8","6","1","1","7","1") = "8"
    & skf18("9","8","6","1","1","8","1") = "8"
    & skf18("9","8","6","1","1","9","1") = "8"
    & skf18("9","8","6","1","1","10","1") = "9"
    & skf18("9","8","6","1","2","1","1") = "8"
    & skf18("9","8","6","1","2","2","1") = "8"
    & skf18("9","8","6","1","2","3","1") = "8"
    & skf18("9","8","6","1","2","4","1") = "8"
    & skf18("9","8","6","1","2","5","1") = "8"
    & skf18("9","8","6","1","2","6","1") = "8"
    & skf18("9","8","6","1","2","7","1") = "8"
    & skf18("9","8","6","1","2","8","1") = "8"
    & skf18("9","8","6","1","2","9","1") = "8"
    & skf18("9","8","6","1","2","10","1") = "9"
    & skf18("9","8","6","1","3","1","1") = "8"
    & skf18("9","8","6","1","3","2","1") = "8"
    & skf18("9","8","6","1","3","3","1") = "8"
    & skf18("9","8","6","1","3","4","1") = "8"
    & skf18("9","8","6","1","3","5","1") = "8"
    & skf18("9","8","6","1","3","6","1") = "8"
    & skf18("9","8","6","1","3","7","1") = "8"
    & skf18("9","8","6","1","3","8","1") = "8"
    & skf18("9","8","6","1","3","9","1") = "8"
    & skf18("9","8","6","1","3","10","1") = "9"
    & skf18("9","8","6","1","4","1","1") = "8"
    & skf18("9","8","6","1","4","2","1") = "8"
    & skf18("9","8","6","1","4","3","1") = "8"
    & skf18("9","8","6","1","4","4","1") = "8"
    & skf18("9","8","6","1","4","5","1") = "8"
    & skf18("9","8","6","1","4","6","1") = "8"
    & skf18("9","8","6","1","4","7","1") = "8"
    & skf18("9","8","6","1","4","8","1") = "8"
    & skf18("9","8","6","1","4","9","1") = "8"
    & skf18("9","8","6","1","4","10","1") = "9"
    & skf18("9","8","6","1","5","1","1") = "8"
    & skf18("9","8","6","1","5","2","1") = "8"
    & skf18("9","8","6","1","5","3","1") = "8"
    & skf18("9","8","6","1","5","4","1") = "8"
    & skf18("9","8","6","1","5","5","1") = "8"
    & skf18("9","8","6","1","5","6","1") = "8"
    & skf18("9","8","6","1","5","7","1") = "8"
    & skf18("9","8","6","1","5","8","1") = "8"
    & skf18("9","8","6","1","5","9","1") = "8"
    & skf18("9","8","6","1","5","10","1") = "9"
    & skf18("9","8","6","1","6","1","1") = "8"
    & skf18("9","8","6","1","6","2","1") = "8"
    & skf18("9","8","6","1","6","3","1") = "8"
    & skf18("9","8","6","1","6","4","1") = "8"
    & skf18("9","8","6","1","6","5","1") = "8"
    & skf18("9","8","6","1","6","6","1") = "8"
    & skf18("9","8","6","1","6","7","1") = "8"
    & skf18("9","8","6","1","6","8","1") = "8"
    & skf18("9","8","6","1","6","9","1") = "8"
    & skf18("9","8","6","1","6","10","1") = "9"
    & skf18("9","8","6","1","7","1","1") = "8"
    & skf18("9","8","6","1","7","2","1") = "8"
    & skf18("9","8","6","1","7","3","1") = "8"
    & skf18("9","8","6","1","7","4","1") = "8"
    & skf18("9","8","6","1","7","5","1") = "8"
    & skf18("9","8","6","1","7","6","1") = "8"
    & skf18("9","8","6","1","7","7","1") = "8"
    & skf18("9","8","6","1","7","8","1") = "8"
    & skf18("9","8","6","1","7","9","1") = "8"
    & skf18("9","8","6","1","7","10","1") = "9"
    & skf18("9","8","6","1","8","1","1") = "8"
    & skf18("9","8","6","1","8","2","1") = "8"
    & skf18("9","8","6","1","8","3","1") = "8"
    & skf18("9","8","6","1","8","4","1") = "8"
    & skf18("9","8","6","1","8","5","1") = "8"
    & skf18("9","8","6","1","8","6","1") = "8"
    & skf18("9","8","6","1","8","7","1") = "8"
    & skf18("9","8","6","1","8","8","1") = "8"
    & skf18("9","8","6","1","8","9","1") = "8"
    & skf18("9","8","6","1","8","10","1") = "9"
    & skf18("9","8","6","1","9","1","1") = "8"
    & skf18("9","8","6","1","9","2","1") = "8"
    & skf18("9","8","6","1","9","3","1") = "8"
    & skf18("9","8","6","1","9","4","1") = "8"
    & skf18("9","8","6","1","9","5","1") = "8"
    & skf18("9","8","6","1","9","6","1") = "8"
    & skf18("9","8","6","1","9","7","1") = "8"
    & skf18("9","8","6","1","9","8","1") = "8"
    & skf18("9","8","6","1","9","9","1") = "8"
    & skf18("9","8","6","1","9","10","1") = "9"
    & skf18("9","8","6","1","10","1","1") = "9"
    & skf18("9","8","6","1","10","2","1") = "9"
    & skf18("9","8","6","1","10","3","1") = "9"
    & skf18("9","8","6","1","10","4","1") = "9"
    & skf18("9","8","6","1","10","5","1") = "9"
    & skf18("9","8","6","1","10","6","1") = "9"
    & skf18("9","8","6","1","10","7","1") = "9"
    & skf18("9","8","6","1","10","8","1") = "9"
    & skf18("9","8","6","1","10","9","1") = "9"
    & skf18("9","8","6","1","10","10","1") = "9"
    & skf18("9","8","6","2","1","1","1") = "8"
    & skf18("9","8","6","2","1","2","1") = "8"
    & skf18("9","8","6","2","1","3","1") = "8"
    & skf18("9","8","6","2","1","4","1") = "8"
    & skf18("9","8","6","2","1","5","1") = "8"
    & skf18("9","8","6","2","1","6","1") = "8"
    & skf18("9","8","6","2","1","7","1") = "8"
    & skf18("9","8","6","2","1","8","1") = "8"
    & skf18("9","8","6","2","1","9","1") = "8"
    & skf18("9","8","6","2","1","10","1") = "9"
    & skf18("9","8","6","2","2","1","1") = "8"
    & skf18("9","8","6","2","2","2","1") = "8"
    & skf18("9","8","6","2","2","3","1") = "8"
    & skf18("9","8","6","2","2","4","1") = "8"
    & skf18("9","8","6","2","2","5","1") = "8"
    & skf18("9","8","6","2","2","6","1") = "8"
    & skf18("9","8","6","2","2","7","1") = "8"
    & skf18("9","8","6","2","2","8","1") = "8"
    & skf18("9","8","6","2","2","9","1") = "8"
    & skf18("9","8","6","2","2","10","1") = "9"
    & skf18("9","8","6","2","3","1","1") = "8"
    & skf18("9","8","6","2","3","2","1") = "8"
    & skf18("9","8","6","2","3","3","1") = "8"
    & skf18("9","8","6","2","3","4","1") = "8"
    & skf18("9","8","6","2","3","5","1") = "8"
    & skf18("9","8","6","2","3","6","1") = "8"
    & skf18("9","8","6","2","3","7","1") = "8"
    & skf18("9","8","6","2","3","8","1") = "8"
    & skf18("9","8","6","2","3","9","1") = "8"
    & skf18("9","8","6","2","3","10","1") = "9"
    & skf18("9","8","6","2","4","1","1") = "8"
    & skf18("9","8","6","2","4","2","1") = "8"
    & skf18("9","8","6","2","4","3","1") = "8"
    & skf18("9","8","6","2","4","4","1") = "8"
    & skf18("9","8","6","2","4","5","1") = "8"
    & skf18("9","8","6","2","4","6","1") = "8"
    & skf18("9","8","6","2","4","7","1") = "8"
    & skf18("9","8","6","2","4","8","1") = "8"
    & skf18("9","8","6","2","4","9","1") = "8"
    & skf18("9","8","6","2","4","10","1") = "9"
    & skf18("9","8","6","2","5","1","1") = "8"
    & skf18("9","8","6","2","5","2","1") = "8"
    & skf18("9","8","6","2","5","3","1") = "8"
    & skf18("9","8","6","2","5","4","1") = "8"
    & skf18("9","8","6","2","5","5","1") = "8"
    & skf18("9","8","6","2","5","6","1") = "8"
    & skf18("9","8","6","2","5","7","1") = "8"
    & skf18("9","8","6","2","5","8","1") = "8"
    & skf18("9","8","6","2","5","9","1") = "8"
    & skf18("9","8","6","2","5","10","1") = "9"
    & skf18("9","8","6","2","6","1","1") = "8"
    & skf18("9","8","6","2","6","2","1") = "8"
    & skf18("9","8","6","2","6","3","1") = "8"
    & skf18("9","8","6","2","6","4","1") = "8"
    & skf18("9","8","6","2","6","5","1") = "8"
    & skf18("9","8","6","2","6","6","1") = "8"
    & skf18("9","8","6","2","6","7","1") = "8"
    & skf18("9","8","6","2","6","8","1") = "8"
    & skf18("9","8","6","2","6","9","1") = "8"
    & skf18("9","8","6","2","6","10","1") = "9"
    & skf18("9","8","6","2","7","1","1") = "8"
    & skf18("9","8","6","2","7","2","1") = "8"
    & skf18("9","8","6","2","7","3","1") = "8"
    & skf18("9","8","6","2","7","4","1") = "8"
    & skf18("9","8","6","2","7","5","1") = "8"
    & skf18("9","8","6","2","7","6","1") = "8"
    & skf18("9","8","6","2","7","7","1") = "8"
    & skf18("9","8","6","2","7","8","1") = "8"
    & skf18("9","8","6","2","7","9","1") = "8"
    & skf18("9","8","6","2","7","10","1") = "9"
    & skf18("9","8","6","2","8","1","1") = "8"
    & skf18("9","8","6","2","8","2","1") = "8"
    & skf18("9","8","6","2","8","3","1") = "8"
    & skf18("9","8","6","2","8","4","1") = "8"
    & skf18("9","8","6","2","8","5","1") = "8"
    & skf18("9","8","6","2","8","6","1") = "8"
    & skf18("9","8","6","2","8","7","1") = "8"
    & skf18("9","8","6","2","8","8","1") = "8"
    & skf18("9","8","6","2","8","9","1") = "8"
    & skf18("9","8","6","2","8","10","1") = "9"
    & skf18("9","8","6","2","9","1","1") = "8"
    & skf18("9","8","6","2","9","2","1") = "8"
    & skf18("9","8","6","2","9","3","1") = "8"
    & skf18("9","8","6","2","9","4","1") = "8"
    & skf18("9","8","6","2","9","5","1") = "8"
    & skf18("9","8","6","2","9","6","1") = "8"
    & skf18("9","8","6","2","9","7","1") = "8"
    & skf18("9","8","6","2","9","8","1") = "8"
    & skf18("9","8","6","2","9","9","1") = "8"
    & skf18("9","8","6","2","9","10","1") = "9"
    & skf18("9","8","6","2","10","1","1") = "9"
    & skf18("9","8","6","2","10","2","1") = "9"
    & skf18("9","8","6","2","10","3","1") = "9"
    & skf18("9","8","6","2","10","4","1") = "9"
    & skf18("9","8","6","2","10","5","1") = "9"
    & skf18("9","8","6","2","10","6","1") = "9"
    & skf18("9","8","6","2","10","7","1") = "9"
    & skf18("9","8","6","2","10","8","1") = "9"
    & skf18("9","8","6","2","10","9","1") = "9"
    & skf18("9","8","6","2","10","10","1") = "9"
    & skf18("9","8","6","3","1","1","1") = "8"
    & skf18("9","8","6","3","1","2","1") = "8"
    & skf18("9","8","6","3","1","3","1") = "8"
    & skf18("9","8","6","3","1","4","1") = "8"
    & skf18("9","8","6","3","1","5","1") = "8"
    & skf18("9","8","6","3","1","6","1") = "8"
    & skf18("9","8","6","3","1","7","1") = "8"
    & skf18("9","8","6","3","1","8","1") = "8"
    & skf18("9","8","6","3","1","9","1") = "8"
    & skf18("9","8","6","3","1","10","1") = "9"
    & skf18("9","8","6","3","2","1","1") = "8"
    & skf18("9","8","6","3","2","2","1") = "8"
    & skf18("9","8","6","3","2","3","1") = "8"
    & skf18("9","8","6","3","2","4","1") = "8"
    & skf18("9","8","6","3","2","5","1") = "8"
    & skf18("9","8","6","3","2","6","1") = "8"
    & skf18("9","8","6","3","2","7","1") = "8"
    & skf18("9","8","6","3","2","8","1") = "8"
    & skf18("9","8","6","3","2","9","1") = "8"
    & skf18("9","8","6","3","2","10","1") = "9"
    & skf18("9","8","6","3","3","1","1") = "8"
    & skf18("9","8","6","3","3","2","1") = "8"
    & skf18("9","8","6","3","3","3","1") = "8"
    & skf18("9","8","6","3","3","4","1") = "8"
    & skf18("9","8","6","3","3","5","1") = "8"
    & skf18("9","8","6","3","3","6","1") = "8"
    & skf18("9","8","6","3","3","7","1") = "8"
    & skf18("9","8","6","3","3","8","1") = "8"
    & skf18("9","8","6","3","3","9","1") = "8"
    & skf18("9","8","6","3","3","10","1") = "9"
    & skf18("9","8","6","3","4","1","1") = "8"
    & skf18("9","8","6","3","4","2","1") = "8"
    & skf18("9","8","6","3","4","3","1") = "8"
    & skf18("9","8","6","3","4","4","1") = "8"
    & skf18("9","8","6","3","4","5","1") = "8"
    & skf18("9","8","6","3","4","6","1") = "8"
    & skf18("9","8","6","3","4","7","1") = "8"
    & skf18("9","8","6","3","4","8","1") = "8"
    & skf18("9","8","6","3","4","9","1") = "8"
    & skf18("9","8","6","3","4","10","1") = "9"
    & skf18("9","8","6","3","5","1","1") = "8"
    & skf18("9","8","6","3","5","2","1") = "8"
    & skf18("9","8","6","3","5","3","1") = "8"
    & skf18("9","8","6","3","5","4","1") = "8"
    & skf18("9","8","6","3","5","5","1") = "8"
    & skf18("9","8","6","3","5","6","1") = "8"
    & skf18("9","8","6","3","5","7","1") = "8"
    & skf18("9","8","6","3","5","8","1") = "8"
    & skf18("9","8","6","3","5","9","1") = "8"
    & skf18("9","8","6","3","5","10","1") = "9"
    & skf18("9","8","6","3","6","1","1") = "8"
    & skf18("9","8","6","3","6","2","1") = "8"
    & skf18("9","8","6","3","6","3","1") = "8"
    & skf18("9","8","6","3","6","4","1") = "8"
    & skf18("9","8","6","3","6","5","1") = "8"
    & skf18("9","8","6","3","6","6","1") = "8"
    & skf18("9","8","6","3","6","7","1") = "8"
    & skf18("9","8","6","3","6","8","1") = "8"
    & skf18("9","8","6","3","6","9","1") = "8"
    & skf18("9","8","6","3","6","10","1") = "9"
    & skf18("9","8","6","3","7","1","1") = "8"
    & skf18("9","8","6","3","7","2","1") = "8"
    & skf18("9","8","6","3","7","3","1") = "8"
    & skf18("9","8","6","3","7","4","1") = "8"
    & skf18("9","8","6","3","7","5","1") = "8"
    & skf18("9","8","6","3","7","6","1") = "8"
    & skf18("9","8","6","3","7","7","1") = "8"
    & skf18("9","8","6","3","7","8","1") = "8"
    & skf18("9","8","6","3","7","9","1") = "8"
    & skf18("9","8","6","3","7","10","1") = "9"
    & skf18("9","8","6","3","8","1","1") = "8"
    & skf18("9","8","6","3","8","2","1") = "8"
    & skf18("9","8","6","3","8","3","1") = "8"
    & skf18("9","8","6","3","8","4","1") = "8"
    & skf18("9","8","6","3","8","5","1") = "8"
    & skf18("9","8","6","3","8","6","1") = "8"
    & skf18("9","8","6","3","8","7","1") = "8"
    & skf18("9","8","6","3","8","8","1") = "8"
    & skf18("9","8","6","3","8","9","1") = "8"
    & skf18("9","8","6","3","8","10","1") = "9"
    & skf18("9","8","6","3","9","1","1") = "8"
    & skf18("9","8","6","3","9","2","1") = "8"
    & skf18("9","8","6","3","9","3","1") = "8"
    & skf18("9","8","6","3","9","4","1") = "8"
    & skf18("9","8","6","3","9","5","1") = "8"
    & skf18("9","8","6","3","9","6","1") = "8"
    & skf18("9","8","6","3","9","7","1") = "8"
    & skf18("9","8","6","3","9","8","1") = "8"
    & skf18("9","8","6","3","9","9","1") = "8"
    & skf18("9","8","6","3","9","10","1") = "9"
    & skf18("9","8","6","3","10","1","1") = "9"
    & skf18("9","8","6","3","10","2","1") = "9"
    & skf18("9","8","6","3","10","3","1") = "9"
    & skf18("9","8","6","3","10","4","1") = "9"
    & skf18("9","8","6","3","10","5","1") = "9"
    & skf18("9","8","6","3","10","6","1") = "9"
    & skf18("9","8","6","3","10","7","1") = "9"
    & skf18("9","8","6","3","10","8","1") = "9"
    & skf18("9","8","6","3","10","9","1") = "9"
    & skf18("9","8","6","3","10","10","1") = "9"
    & skf18("9","8","6","4","1","1","1") = "8"
    & skf18("9","8","6","4","1","2","1") = "8"
    & skf18("9","8","6","4","1","3","1") = "8"
    & skf18("9","8","6","4","1","4","1") = "8"
    & skf18("9","8","6","4","1","5","1") = "8"
    & skf18("9","8","6","4","1","6","1") = "8"
    & skf18("9","8","6","4","1","7","1") = "8"
    & skf18("9","8","6","4","1","8","1") = "8"
    & skf18("9","8","6","4","1","9","1") = "8"
    & skf18("9","8","6","4","1","10","1") = "9"
    & skf18("9","8","6","4","2","1","1") = "8"
    & skf18("9","8","6","4","2","2","1") = "8"
    & skf18("9","8","6","4","2","3","1") = "8"
    & skf18("9","8","6","4","2","4","1") = "8"
    & skf18("9","8","6","4","2","5","1") = "8"
    & skf18("9","8","6","4","2","6","1") = "8"
    & skf18("9","8","6","4","2","7","1") = "8"
    & skf18("9","8","6","4","2","8","1") = "8"
    & skf18("9","8","6","4","2","9","1") = "8"
    & skf18("9","8","6","4","2","10","1") = "9"
    & skf18("9","8","6","4","3","1","1") = "8"
    & skf18("9","8","6","4","3","2","1") = "8"
    & skf18("9","8","6","4","3","3","1") = "8"
    & skf18("9","8","6","4","3","4","1") = "8"
    & skf18("9","8","6","4","3","5","1") = "8"
    & skf18("9","8","6","4","3","6","1") = "8"
    & skf18("9","8","6","4","3","7","1") = "8"
    & skf18("9","8","6","4","3","8","1") = "8"
    & skf18("9","8","6","4","3","9","1") = "8"
    & skf18("9","8","6","4","3","10","1") = "9"
    & skf18("9","8","6","4","4","1","1") = "8"
    & skf18("9","8","6","4","4","2","1") = "8"
    & skf18("9","8","6","4","4","3","1") = "8"
    & skf18("9","8","6","4","4","4","1") = "8"
    & skf18("9","8","6","4","4","5","1") = "8"
    & skf18("9","8","6","4","4","6","1") = "8"
    & skf18("9","8","6","4","4","7","1") = "8"
    & skf18("9","8","6","4","4","8","1") = "8"
    & skf18("9","8","6","4","4","9","1") = "8"
    & skf18("9","8","6","4","4","10","1") = "9"
    & skf18("9","8","6","4","5","1","1") = "8"
    & skf18("9","8","6","4","5","2","1") = "8"
    & skf18("9","8","6","4","5","3","1") = "8"
    & skf18("9","8","6","4","5","4","1") = "8"
    & skf18("9","8","6","4","5","5","1") = "8"
    & skf18("9","8","6","4","5","6","1") = "8"
    & skf18("9","8","6","4","5","7","1") = "8"
    & skf18("9","8","6","4","5","8","1") = "8"
    & skf18("9","8","6","4","5","9","1") = "8"
    & skf18("9","8","6","4","5","10","1") = "9"
    & skf18("9","8","6","4","6","1","1") = "8"
    & skf18("9","8","6","4","6","2","1") = "8"
    & skf18("9","8","6","4","6","3","1") = "8"
    & skf18("9","8","6","4","6","4","1") = "8"
    & skf18("9","8","6","4","6","5","1") = "8"
    & skf18("9","8","6","4","6","6","1") = "8"
    & skf18("9","8","6","4","6","7","1") = "8"
    & skf18("9","8","6","4","6","8","1") = "8"
    & skf18("9","8","6","4","6","9","1") = "8"
    & skf18("9","8","6","4","6","10","1") = "9"
    & skf18("9","8","6","4","7","1","1") = "8"
    & skf18("9","8","6","4","7","2","1") = "8"
    & skf18("9","8","6","4","7","3","1") = "8"
    & skf18("9","8","6","4","7","4","1") = "8"
    & skf18("9","8","6","4","7","5","1") = "8"
    & skf18("9","8","6","4","7","6","1") = "8"
    & skf18("9","8","6","4","7","7","1") = "8"
    & skf18("9","8","6","4","7","8","1") = "8"
    & skf18("9","8","6","4","7","9","1") = "8"
    & skf18("9","8","6","4","7","10","1") = "9"
    & skf18("9","8","6","4","8","1","1") = "8"
    & skf18("9","8","6","4","8","2","1") = "8"
    & skf18("9","8","6","4","8","3","1") = "8"
    & skf18("9","8","6","4","8","4","1") = "8"
    & skf18("9","8","6","4","8","5","1") = "8"
    & skf18("9","8","6","4","8","6","1") = "8"
    & skf18("9","8","6","4","8","7","1") = "8"
    & skf18("9","8","6","4","8","8","1") = "8"
    & skf18("9","8","6","4","8","9","1") = "8"
    & skf18("9","8","6","4","8","10","1") = "9"
    & skf18("9","8","6","4","9","1","1") = "8"
    & skf18("9","8","6","4","9","2","1") = "8"
    & skf18("9","8","6","4","9","3","1") = "8"
    & skf18("9","8","6","4","9","4","1") = "8"
    & skf18("9","8","6","4","9","5","1") = "8"
    & skf18("9","8","6","4","9","6","1") = "8"
    & skf18("9","8","6","4","9","7","1") = "8"
    & skf18("9","8","6","4","9","8","1") = "8"
    & skf18("9","8","6","4","9","9","1") = "8"
    & skf18("9","8","6","4","9","10","1") = "9"
    & skf18("9","8","6","4","10","1","1") = "9"
    & skf18("9","8","6","4","10","2","1") = "9"
    & skf18("9","8","6","4","10","3","1") = "9"
    & skf18("9","8","6","4","10","4","1") = "9"
    & skf18("9","8","6","4","10","5","1") = "9"
    & skf18("9","8","6","4","10","6","1") = "9"
    & skf18("9","8","6","4","10","7","1") = "9"
    & skf18("9","8","6","4","10","8","1") = "9"
    & skf18("9","8","6","4","10","9","1") = "9"
    & skf18("9","8","6","4","10","10","1") = "9"
    & skf18("9","8","6","5","1","1","1") = "8"
    & skf18("9","8","6","5","1","2","1") = "8"
    & skf18("9","8","6","5","1","3","1") = "8"
    & skf18("9","8","6","5","1","4","1") = "8"
    & skf18("9","8","6","5","1","5","1") = "8"
    & skf18("9","8","6","5","1","6","1") = "8"
    & skf18("9","8","6","5","1","7","1") = "8"
    & skf18("9","8","6","5","1","8","1") = "8"
    & skf18("9","8","6","5","1","9","1") = "8"
    & skf18("9","8","6","5","1","10","1") = "9"
    & skf18("9","8","6","5","2","1","1") = "8"
    & skf18("9","8","6","5","2","2","1") = "8"
    & skf18("9","8","6","5","2","3","1") = "8"
    & skf18("9","8","6","5","2","4","1") = "8"
    & skf18("9","8","6","5","2","5","1") = "8"
    & skf18("9","8","6","5","2","6","1") = "8"
    & skf18("9","8","6","5","2","7","1") = "8"
    & skf18("9","8","6","5","2","8","1") = "8"
    & skf18("9","8","6","5","2","9","1") = "8"
    & skf18("9","8","6","5","2","10","1") = "9"
    & skf18("9","8","6","5","3","1","1") = "8"
    & skf18("9","8","6","5","3","2","1") = "8"
    & skf18("9","8","6","5","3","3","1") = "8"
    & skf18("9","8","6","5","3","4","1") = "8"
    & skf18("9","8","6","5","3","5","1") = "8"
    & skf18("9","8","6","5","3","6","1") = "8"
    & skf18("9","8","6","5","3","7","1") = "8"
    & skf18("9","8","6","5","3","8","1") = "8"
    & skf18("9","8","6","5","3","9","1") = "8"
    & skf18("9","8","6","5","3","10","1") = "9"
    & skf18("9","8","6","5","4","1","1") = "8"
    & skf18("9","8","6","5","4","2","1") = "8"
    & skf18("9","8","6","5","4","3","1") = "8"
    & skf18("9","8","6","5","4","4","1") = "8"
    & skf18("9","8","6","5","4","5","1") = "8"
    & skf18("9","8","6","5","4","6","1") = "8"
    & skf18("9","8","6","5","4","7","1") = "8"
    & skf18("9","8","6","5","4","8","1") = "8"
    & skf18("9","8","6","5","4","9","1") = "8"
    & skf18("9","8","6","5","4","10","1") = "9"
    & skf18("9","8","6","5","5","1","1") = "8"
    & skf18("9","8","6","5","5","2","1") = "8"
    & skf18("9","8","6","5","5","3","1") = "8"
    & skf18("9","8","6","5","5","4","1") = "8"
    & skf18("9","8","6","5","5","5","1") = "8"
    & skf18("9","8","6","5","5","6","1") = "8"
    & skf18("9","8","6","5","5","7","1") = "8"
    & skf18("9","8","6","5","5","8","1") = "8"
    & skf18("9","8","6","5","5","9","1") = "8"
    & skf18("9","8","6","5","5","10","1") = "9"
    & skf18("9","8","6","5","6","1","1") = "8"
    & skf18("9","8","6","5","6","2","1") = "8"
    & skf18("9","8","6","5","6","3","1") = "8"
    & skf18("9","8","6","5","6","4","1") = "8"
    & skf18("9","8","6","5","6","5","1") = "8"
    & skf18("9","8","6","5","6","6","1") = "8"
    & skf18("9","8","6","5","6","7","1") = "8"
    & skf18("9","8","6","5","6","8","1") = "8"
    & skf18("9","8","6","5","6","9","1") = "8"
    & skf18("9","8","6","5","6","10","1") = "9"
    & skf18("9","8","6","5","7","1","1") = "8"
    & skf18("9","8","6","5","7","2","1") = "8"
    & skf18("9","8","6","5","7","3","1") = "8"
    & skf18("9","8","6","5","7","4","1") = "8"
    & skf18("9","8","6","5","7","5","1") = "8"
    & skf18("9","8","6","5","7","6","1") = "8"
    & skf18("9","8","6","5","7","7","1") = "8"
    & skf18("9","8","6","5","7","8","1") = "8"
    & skf18("9","8","6","5","7","9","1") = "8"
    & skf18("9","8","6","5","7","10","1") = "9"
    & skf18("9","8","6","5","8","1","1") = "8"
    & skf18("9","8","6","5","8","2","1") = "8"
    & skf18("9","8","6","5","8","3","1") = "8"
    & skf18("9","8","6","5","8","4","1") = "8"
    & skf18("9","8","6","5","8","5","1") = "8"
    & skf18("9","8","6","5","8","6","1") = "8"
    & skf18("9","8","6","5","8","7","1") = "8"
    & skf18("9","8","6","5","8","8","1") = "8"
    & skf18("9","8","6","5","8","9","1") = "8"
    & skf18("9","8","6","5","8","10","1") = "9"
    & skf18("9","8","6","5","9","1","1") = "8"
    & skf18("9","8","6","5","9","2","1") = "8"
    & skf18("9","8","6","5","9","3","1") = "8"
    & skf18("9","8","6","5","9","4","1") = "8"
    & skf18("9","8","6","5","9","5","1") = "8"
    & skf18("9","8","6","5","9","6","1") = "8"
    & skf18("9","8","6","5","9","7","1") = "8"
    & skf18("9","8","6","5","9","8","1") = "8"
    & skf18("9","8","6","5","9","9","1") = "8"
    & skf18("9","8","6","5","9","10","1") = "9"
    & skf18("9","8","6","5","10","1","1") = "9"
    & skf18("9","8","6","5","10","2","1") = "9"
    & skf18("9","8","6","5","10","3","1") = "9"
    & skf18("9","8","6","5","10","4","1") = "9"
    & skf18("9","8","6","5","10","5","1") = "9"
    & skf18("9","8","6","5","10","6","1") = "9"
    & skf18("9","8","6","5","10","7","1") = "9"
    & skf18("9","8","6","5","10","8","1") = "9"
    & skf18("9","8","6","5","10","9","1") = "9"
    & skf18("9","8","6","5","10","10","1") = "9"
    & skf18("9","8","6","6","1","1","1") = "8"
    & skf18("9","8","6","6","1","2","1") = "8"
    & skf18("9","8","6","6","1","3","1") = "8"
    & skf18("9","8","6","6","1","4","1") = "8"
    & skf18("9","8","6","6","1","5","1") = "8"
    & skf18("9","8","6","6","1","6","1") = "8"
    & skf18("9","8","6","6","1","7","1") = "8"
    & skf18("9","8","6","6","1","8","1") = "8"
    & skf18("9","8","6","6","1","9","1") = "8"
    & skf18("9","8","6","6","1","10","1") = "9"
    & skf18("9","8","6","6","2","1","1") = "8"
    & skf18("9","8","6","6","2","2","1") = "8"
    & skf18("9","8","6","6","2","3","1") = "8"
    & skf18("9","8","6","6","2","4","1") = "8"
    & skf18("9","8","6","6","2","5","1") = "8"
    & skf18("9","8","6","6","2","6","1") = "8"
    & skf18("9","8","6","6","2","7","1") = "8"
    & skf18("9","8","6","6","2","8","1") = "8"
    & skf18("9","8","6","6","2","9","1") = "8"
    & skf18("9","8","6","6","2","10","1") = "9"
    & skf18("9","8","6","6","3","1","1") = "8"
    & skf18("9","8","6","6","3","2","1") = "8"
    & skf18("9","8","6","6","3","3","1") = "8"
    & skf18("9","8","6","6","3","4","1") = "8"
    & skf18("9","8","6","6","3","5","1") = "8"
    & skf18("9","8","6","6","3","6","1") = "8"
    & skf18("9","8","6","6","3","7","1") = "8"
    & skf18("9","8","6","6","3","8","1") = "8"
    & skf18("9","8","6","6","3","9","1") = "8"
    & skf18("9","8","6","6","3","10","1") = "9"
    & skf18("9","8","6","6","4","1","1") = "8"
    & skf18("9","8","6","6","4","2","1") = "8"
    & skf18("9","8","6","6","4","3","1") = "8"
    & skf18("9","8","6","6","4","4","1") = "8"
    & skf18("9","8","6","6","4","5","1") = "8"
    & skf18("9","8","6","6","4","6","1") = "8"
    & skf18("9","8","6","6","4","7","1") = "8"
    & skf18("9","8","6","6","4","8","1") = "8"
    & skf18("9","8","6","6","4","9","1") = "8"
    & skf18("9","8","6","6","4","10","1") = "9"
    & skf18("9","8","6","6","5","1","1") = "8"
    & skf18("9","8","6","6","5","2","1") = "8"
    & skf18("9","8","6","6","5","3","1") = "8"
    & skf18("9","8","6","6","5","4","1") = "8"
    & skf18("9","8","6","6","5","5","1") = "8"
    & skf18("9","8","6","6","5","6","1") = "8"
    & skf18("9","8","6","6","5","7","1") = "8"
    & skf18("9","8","6","6","5","8","1") = "8"
    & skf18("9","8","6","6","5","9","1") = "8"
    & skf18("9","8","6","6","5","10","1") = "9"
    & skf18("9","8","6","6","6","1","1") = "8"
    & skf18("9","8","6","6","6","2","1") = "8"
    & skf18("9","8","6","6","6","3","1") = "8"
    & skf18("9","8","6","6","6","4","1") = "8"
    & skf18("9","8","6","6","6","5","1") = "8"
    & skf18("9","8","6","6","6","6","1") = "8"
    & skf18("9","8","6","6","6","7","1") = "8"
    & skf18("9","8","6","6","6","8","1") = "8"
    & skf18("9","8","6","6","6","9","1") = "8"
    & skf18("9","8","6","6","6","10","1") = "9"
    & skf18("9","8","6","6","7","1","1") = "8"
    & skf18("9","8","6","6","7","2","1") = "8"
    & skf18("9","8","6","6","7","3","1") = "8"
    & skf18("9","8","6","6","7","4","1") = "8"
    & skf18("9","8","6","6","7","5","1") = "8"
    & skf18("9","8","6","6","7","6","1") = "8"
    & skf18("9","8","6","6","7","7","1") = "8"
    & skf18("9","8","6","6","7","8","1") = "8"
    & skf18("9","8","6","6","7","9","1") = "8"
    & skf18("9","8","6","6","7","10","1") = "9"
    & skf18("9","8","6","6","8","1","1") = "8"
    & skf18("9","8","6","6","8","2","1") = "8"
    & skf18("9","8","6","6","8","3","1") = "8"
    & skf18("9","8","6","6","8","4","1") = "8"
    & skf18("9","8","6","6","8","5","1") = "8"
    & skf18("9","8","6","6","8","6","1") = "8"
    & skf18("9","8","6","6","8","7","1") = "8"
    & skf18("9","8","6","6","8","8","1") = "8"
    & skf18("9","8","6","6","8","9","1") = "8"
    & skf18("9","8","6","6","8","10","1") = "9"
    & skf18("9","8","6","6","9","1","1") = "8"
    & skf18("9","8","6","6","9","2","1") = "8"
    & skf18("9","8","6","6","9","3","1") = "8"
    & skf18("9","8","6","6","9","4","1") = "8"
    & skf18("9","8","6","6","9","5","1") = "8"
    & skf18("9","8","6","6","9","6","1") = "8"
    & skf18("9","8","6","6","9","7","1") = "8"
    & skf18("9","8","6","6","9","8","1") = "8"
    & skf18("9","8","6","6","9","9","1") = "8"
    & skf18("9","8","6","6","9","10","1") = "9"
    & skf18("9","8","6","6","10","1","1") = "9"
    & skf18("9","8","6","6","10","2","1") = "9"
    & skf18("9","8","6","6","10","3","1") = "9"
    & skf18("9","8","6","6","10","4","1") = "9"
    & skf18("9","8","6","6","10","5","1") = "9"
    & skf18("9","8","6","6","10","6","1") = "9"
    & skf18("9","8","6","6","10","7","1") = "9"
    & skf18("9","8","6","6","10","8","1") = "9"
    & skf18("9","8","6","6","10","9","1") = "9"
    & skf18("9","8","6","6","10","10","1") = "9"
    & skf18("9","8","6","7","1","1","1") = "8"
    & skf18("9","8","6","7","1","2","1") = "8"
    & skf18("9","8","6","7","1","3","1") = "8"
    & skf18("9","8","6","7","1","4","1") = "8"
    & skf18("9","8","6","7","1","5","1") = "8"
    & skf18("9","8","6","7","1","6","1") = "8"
    & skf18("9","8","6","7","1","7","1") = "8"
    & skf18("9","8","6","7","1","8","1") = "8"
    & skf18("9","8","6","7","1","9","1") = "8"
    & skf18("9","8","6","7","1","10","1") = "9"
    & skf18("9","8","6","7","2","1","1") = "8"
    & skf18("9","8","6","7","2","2","1") = "8"
    & skf18("9","8","6","7","2","3","1") = "8"
    & skf18("9","8","6","7","2","4","1") = "8"
    & skf18("9","8","6","7","2","5","1") = "8"
    & skf18("9","8","6","7","2","6","1") = "8"
    & skf18("9","8","6","7","2","7","1") = "8"
    & skf18("9","8","6","7","2","8","1") = "8"
    & skf18("9","8","6","7","2","9","1") = "8"
    & skf18("9","8","6","7","2","10","1") = "9"
    & skf18("9","8","6","7","3","1","1") = "8"
    & skf18("9","8","6","7","3","2","1") = "8"
    & skf18("9","8","6","7","3","3","1") = "8"
    & skf18("9","8","6","7","3","4","1") = "8"
    & skf18("9","8","6","7","3","5","1") = "8"
    & skf18("9","8","6","7","3","6","1") = "8"
    & skf18("9","8","6","7","3","7","1") = "8"
    & skf18("9","8","6","7","3","8","1") = "8"
    & skf18("9","8","6","7","3","9","1") = "8"
    & skf18("9","8","6","7","3","10","1") = "9"
    & skf18("9","8","6","7","4","1","1") = "8"
    & skf18("9","8","6","7","4","2","1") = "8"
    & skf18("9","8","6","7","4","3","1") = "8"
    & skf18("9","8","6","7","4","4","1") = "8"
    & skf18("9","8","6","7","4","5","1") = "8"
    & skf18("9","8","6","7","4","6","1") = "8"
    & skf18("9","8","6","7","4","7","1") = "8"
    & skf18("9","8","6","7","4","8","1") = "8"
    & skf18("9","8","6","7","4","9","1") = "8"
    & skf18("9","8","6","7","4","10","1") = "9"
    & skf18("9","8","6","7","5","1","1") = "8"
    & skf18("9","8","6","7","5","2","1") = "8"
    & skf18("9","8","6","7","5","3","1") = "8"
    & skf18("9","8","6","7","5","4","1") = "8"
    & skf18("9","8","6","7","5","5","1") = "8"
    & skf18("9","8","6","7","5","6","1") = "8"
    & skf18("9","8","6","7","5","7","1") = "8"
    & skf18("9","8","6","7","5","8","1") = "8"
    & skf18("9","8","6","7","5","9","1") = "8"
    & skf18("9","8","6","7","5","10","1") = "9"
    & skf18("9","8","6","7","6","1","1") = "8"
    & skf18("9","8","6","7","6","2","1") = "8"
    & skf18("9","8","6","7","6","3","1") = "8"
    & skf18("9","8","6","7","6","4","1") = "8"
    & skf18("9","8","6","7","6","5","1") = "8"
    & skf18("9","8","6","7","6","6","1") = "8"
    & skf18("9","8","6","7","6","7","1") = "8"
    & skf18("9","8","6","7","6","8","1") = "8"
    & skf18("9","8","6","7","6","9","1") = "8"
    & skf18("9","8","6","7","6","10","1") = "9"
    & skf18("9","8","6","7","7","1","1") = "8"
    & skf18("9","8","6","7","7","2","1") = "8"
    & skf18("9","8","6","7","7","3","1") = "8"
    & skf18("9","8","6","7","7","4","1") = "8"
    & skf18("9","8","6","7","7","5","1") = "8"
    & skf18("9","8","6","7","7","6","1") = "8"
    & skf18("9","8","6","7","7","7","1") = "8"
    & skf18("9","8","6","7","7","8","1") = "8"
    & skf18("9","8","6","7","7","9","1") = "8"
    & skf18("9","8","6","7","7","10","1") = "9"
    & skf18("9","8","6","7","8","1","1") = "8"
    & skf18("9","8","6","7","8","2","1") = "8"
    & skf18("9","8","6","7","8","3","1") = "8"
    & skf18("9","8","6","7","8","4","1") = "8"
    & skf18("9","8","6","7","8","5","1") = "8"
    & skf18("9","8","6","7","8","6","1") = "8"
    & skf18("9","8","6","7","8","7","1") = "8"
    & skf18("9","8","6","7","8","8","1") = "8"
    & skf18("9","8","6","7","8","9","1") = "8"
    & skf18("9","8","6","7","8","10","1") = "9"
    & skf18("9","8","6","7","9","1","1") = "8"
    & skf18("9","8","6","7","9","2","1") = "8"
    & skf18("9","8","6","7","9","3","1") = "8"
    & skf18("9","8","6","7","9","4","1") = "8"
    & skf18("9","8","6","7","9","5","1") = "8"
    & skf18("9","8","6","7","9","6","1") = "8"
    & skf18("9","8","6","7","9","7","1") = "8"
    & skf18("9","8","6","7","9","8","1") = "8"
    & skf18("9","8","6","7","9","9","1") = "8"
    & skf18("9","8","6","7","9","10","1") = "9"
    & skf18("9","8","6","7","10","1","1") = "9"
    & skf18("9","8","6","7","10","2","1") = "9"
    & skf18("9","8","6","7","10","3","1") = "9"
    & skf18("9","8","6","7","10","4","1") = "9"
    & skf18("9","8","6","7","10","5","1") = "9"
    & skf18("9","8","6","7","10","6","1") = "9"
    & skf18("9","8","6","7","10","7","1") = "9"
    & skf18("9","8","6","7","10","8","1") = "9"
    & skf18("9","8","6","7","10","9","1") = "9"
    & skf18("9","8","6","7","10","10","1") = "9"
    & skf18("9","8","6","8","1","1","1") = "8"
    & skf18("9","8","6","8","1","2","1") = "8"
    & skf18("9","8","6","8","1","3","1") = "8"
    & skf18("9","8","6","8","1","4","1") = "8"
    & skf18("9","8","6","8","1","5","1") = "8"
    & skf18("9","8","6","8","1","6","1") = "8"
    & skf18("9","8","6","8","1","7","1") = "8"
    & skf18("9","8","6","8","1","8","1") = "8"
    & skf18("9","8","6","8","1","9","1") = "8"
    & skf18("9","8","6","8","1","10","1") = "9"
    & skf18("9","8","6","8","2","1","1") = "8"
    & skf18("9","8","6","8","2","2","1") = "8"
    & skf18("9","8","6","8","2","3","1") = "8"
    & skf18("9","8","6","8","2","4","1") = "8"
    & skf18("9","8","6","8","2","5","1") = "8"
    & skf18("9","8","6","8","2","6","1") = "8"
    & skf18("9","8","6","8","2","7","1") = "8"
    & skf18("9","8","6","8","2","8","1") = "8"
    & skf18("9","8","6","8","2","9","1") = "8"
    & skf18("9","8","6","8","2","10","1") = "9"
    & skf18("9","8","6","8","3","1","1") = "8"
    & skf18("9","8","6","8","3","2","1") = "8"
    & skf18("9","8","6","8","3","3","1") = "8"
    & skf18("9","8","6","8","3","4","1") = "8"
    & skf18("9","8","6","8","3","5","1") = "8"
    & skf18("9","8","6","8","3","6","1") = "8"
    & skf18("9","8","6","8","3","7","1") = "8"
    & skf18("9","8","6","8","3","8","1") = "8"
    & skf18("9","8","6","8","3","9","1") = "8"
    & skf18("9","8","6","8","3","10","1") = "9"
    & skf18("9","8","6","8","4","1","1") = "8"
    & skf18("9","8","6","8","4","2","1") = "8"
    & skf18("9","8","6","8","4","3","1") = "8"
    & skf18("9","8","6","8","4","4","1") = "8"
    & skf18("9","8","6","8","4","5","1") = "8"
    & skf18("9","8","6","8","4","6","1") = "8"
    & skf18("9","8","6","8","4","7","1") = "8"
    & skf18("9","8","6","8","4","8","1") = "8"
    & skf18("9","8","6","8","4","9","1") = "8"
    & skf18("9","8","6","8","4","10","1") = "9"
    & skf18("9","8","6","8","5","1","1") = "8"
    & skf18("9","8","6","8","5","2","1") = "8"
    & skf18("9","8","6","8","5","3","1") = "8"
    & skf18("9","8","6","8","5","4","1") = "8"
    & skf18("9","8","6","8","5","5","1") = "8"
    & skf18("9","8","6","8","5","6","1") = "8"
    & skf18("9","8","6","8","5","7","1") = "8"
    & skf18("9","8","6","8","5","8","1") = "8"
    & skf18("9","8","6","8","5","9","1") = "8"
    & skf18("9","8","6","8","5","10","1") = "9"
    & skf18("9","8","6","8","6","1","1") = "8"
    & skf18("9","8","6","8","6","2","1") = "8"
    & skf18("9","8","6","8","6","3","1") = "8"
    & skf18("9","8","6","8","6","4","1") = "8"
    & skf18("9","8","6","8","6","5","1") = "8"
    & skf18("9","8","6","8","6","6","1") = "8"
    & skf18("9","8","6","8","6","7","1") = "8"
    & skf18("9","8","6","8","6","8","1") = "8"
    & skf18("9","8","6","8","6","9","1") = "8"
    & skf18("9","8","6","8","6","10","1") = "9"
    & skf18("9","8","6","8","7","1","1") = "8"
    & skf18("9","8","6","8","7","2","1") = "8"
    & skf18("9","8","6","8","7","3","1") = "8"
    & skf18("9","8","6","8","7","4","1") = "8"
    & skf18("9","8","6","8","7","5","1") = "8"
    & skf18("9","8","6","8","7","6","1") = "8"
    & skf18("9","8","6","8","7","7","1") = "8"
    & skf18("9","8","6","8","7","8","1") = "8"
    & skf18("9","8","6","8","7","9","1") = "8"
    & skf18("9","8","6","8","7","10","1") = "9"
    & skf18("9","8","6","8","8","1","1") = "8"
    & skf18("9","8","6","8","8","2","1") = "8"
    & skf18("9","8","6","8","8","3","1") = "8"
    & skf18("9","8","6","8","8","4","1") = "8"
    & skf18("9","8","6","8","8","5","1") = "8"
    & skf18("9","8","6","8","8","6","1") = "8"
    & skf18("9","8","6","8","8","7","1") = "8"
    & skf18("9","8","6","8","8","8","1") = "8"
    & skf18("9","8","6","8","8","9","1") = "8"
    & skf18("9","8","6","8","8","10","1") = "9"
    & skf18("9","8","6","8","9","1","1") = "8"
    & skf18("9","8","6","8","9","2","1") = "8"
    & skf18("9","8","6","8","9","3","1") = "8"
    & skf18("9","8","6","8","9","4","1") = "8"
    & skf18("9","8","6","8","9","5","1") = "8"
    & skf18("9","8","6","8","9","6","1") = "8"
    & skf18("9","8","6","8","9","7","1") = "8"
    & skf18("9","8","6","8","9","8","1") = "8"
    & skf18("9","8","6","8","9","9","1") = "8"
    & skf18("9","8","6","8","9","10","1") = "9"
    & skf18("9","8","6","8","10","1","1") = "9"
    & skf18("9","8","6","8","10","2","1") = "9"
    & skf18("9","8","6","8","10","3","1") = "9"
    & skf18("9","8","6","8","10","4","1") = "9"
    & skf18("9","8","6","8","10","5","1") = "9"
    & skf18("9","8","6","8","10","6","1") = "9"
    & skf18("9","8","6","8","10","7","1") = "9"
    & skf18("9","8","6","8","10","8","1") = "9"
    & skf18("9","8","6","8","10","9","1") = "9"
    & skf18("9","8","6","8","10","10","1") = "9"
    & skf18("9","8","6","9","1","1","1") = "8"
    & skf18("9","8","6","9","1","2","1") = "8"
    & skf18("9","8","6","9","1","3","1") = "8"
    & skf18("9","8","6","9","1","4","1") = "8"
    & skf18("9","8","6","9","1","5","1") = "8"
    & skf18("9","8","6","9","1","6","1") = "8"
    & skf18("9","8","6","9","1","7","1") = "8"
    & skf18("9","8","6","9","1","8","1") = "8"
    & skf18("9","8","6","9","1","9","1") = "8"
    & skf18("9","8","6","9","1","10","1") = "9"
    & skf18("9","8","6","9","2","1","1") = "8"
    & skf18("9","8","6","9","2","2","1") = "8"
    & skf18("9","8","6","9","2","3","1") = "8"
    & skf18("9","8","6","9","2","4","1") = "8"
    & skf18("9","8","6","9","2","5","1") = "8"
    & skf18("9","8","6","9","2","6","1") = "8"
    & skf18("9","8","6","9","2","7","1") = "8"
    & skf18("9","8","6","9","2","8","1") = "8"
    & skf18("9","8","6","9","2","9","1") = "8"
    & skf18("9","8","6","9","2","10","1") = "9"
    & skf18("9","8","6","9","3","1","1") = "8"
    & skf18("9","8","6","9","3","2","1") = "8"
    & skf18("9","8","6","9","3","3","1") = "8"
    & skf18("9","8","6","9","3","4","1") = "8"
    & skf18("9","8","6","9","3","5","1") = "8"
    & skf18("9","8","6","9","3","6","1") = "8"
    & skf18("9","8","6","9","3","7","1") = "8"
    & skf18("9","8","6","9","3","8","1") = "8"
    & skf18("9","8","6","9","3","9","1") = "8"
    & skf18("9","8","6","9","3","10","1") = "9"
    & skf18("9","8","6","9","4","1","1") = "8"
    & skf18("9","8","6","9","4","2","1") = "8"
    & skf18("9","8","6","9","4","3","1") = "8"
    & skf18("9","8","6","9","4","4","1") = "8"
    & skf18("9","8","6","9","4","5","1") = "8"
    & skf18("9","8","6","9","4","6","1") = "8"
    & skf18("9","8","6","9","4","7","1") = "8"
    & skf18("9","8","6","9","4","8","1") = "8"
    & skf18("9","8","6","9","4","9","1") = "8"
    & skf18("9","8","6","9","4","10","1") = "9"
    & skf18("9","8","6","9","5","1","1") = "8"
    & skf18("9","8","6","9","5","2","1") = "8"
    & skf18("9","8","6","9","5","3","1") = "8"
    & skf18("9","8","6","9","5","4","1") = "8"
    & skf18("9","8","6","9","5","5","1") = "8"
    & skf18("9","8","6","9","5","6","1") = "8"
    & skf18("9","8","6","9","5","7","1") = "8"
    & skf18("9","8","6","9","5","8","1") = "8"
    & skf18("9","8","6","9","5","9","1") = "8"
    & skf18("9","8","6","9","5","10","1") = "9"
    & skf18("9","8","6","9","6","1","1") = "8"
    & skf18("9","8","6","9","6","2","1") = "8"
    & skf18("9","8","6","9","6","3","1") = "8"
    & skf18("9","8","6","9","6","4","1") = "8"
    & skf18("9","8","6","9","6","5","1") = "8"
    & skf18("9","8","6","9","6","6","1") = "8"
    & skf18("9","8","6","9","6","7","1") = "8"
    & skf18("9","8","6","9","6","8","1") = "8"
    & skf18("9","8","6","9","6","9","1") = "8"
    & skf18("9","8","6","9","6","10","1") = "9"
    & skf18("9","8","6","9","7","1","1") = "8"
    & skf18("9","8","6","9","7","2","1") = "8"
    & skf18("9","8","6","9","7","3","1") = "8"
    & skf18("9","8","6","9","7","4","1") = "8"
    & skf18("9","8","6","9","7","5","1") = "8"
    & skf18("9","8","6","9","7","6","1") = "8"
    & skf18("9","8","6","9","7","7","1") = "8"
    & skf18("9","8","6","9","7","8","1") = "8"
    & skf18("9","8","6","9","7","9","1") = "8"
    & skf18("9","8","6","9","7","10","1") = "9"
    & skf18("9","8","6","9","8","1","1") = "8"
    & skf18("9","8","6","9","8","2","1") = "8"
    & skf18("9","8","6","9","8","3","1") = "8"
    & skf18("9","8","6","9","8","4","1") = "8"
    & skf18("9","8","6","9","8","5","1") = "8"
    & skf18("9","8","6","9","8","6","1") = "8"
    & skf18("9","8","6","9","8","7","1") = "8"
    & skf18("9","8","6","9","8","8","1") = "8"
    & skf18("9","8","6","9","8","9","1") = "8"
    & skf18("9","8","6","9","8","10","1") = "9"
    & skf18("9","8","6","9","9","1","1") = "8"
    & skf18("9","8","6","9","9","2","1") = "8"
    & skf18("9","8","6","9","9","3","1") = "8"
    & skf18("9","8","6","9","9","4","1") = "8"
    & skf18("9","8","6","9","9","5","1") = "8"
    & skf18("9","8","6","9","9","6","1") = "8"
    & skf18("9","8","6","9","9","7","1") = "8"
    & skf18("9","8","6","9","9","8","1") = "8"
    & skf18("9","8","6","9","9","9","1") = "8"
    & skf18("9","8","6","9","9","10","1") = "9"
    & skf18("9","8","6","9","10","1","1") = "9"
    & skf18("9","8","6","9","10","2","1") = "9"
    & skf18("9","8","6","9","10","3","1") = "9"
    & skf18("9","8","6","9","10","4","1") = "9"
    & skf18("9","8","6","9","10","5","1") = "9"
    & skf18("9","8","6","9","10","6","1") = "9"
    & skf18("9","8","6","9","10","7","1") = "9"
    & skf18("9","8","6","9","10","8","1") = "9"
    & skf18("9","8","6","9","10","9","1") = "9"
    & skf18("9","8","6","9","10","10","1") = "9"
    & skf18("9","8","6","10","1","1","1") = "9"
    & skf18("9","8","6","10","1","2","1") = "9"
    & skf18("9","8","6","10","1","3","1") = "9"
    & skf18("9","8","6","10","1","4","1") = "9"
    & skf18("9","8","6","10","1","5","1") = "9"
    & skf18("9","8","6","10","1","6","1") = "9"
    & skf18("9","8","6","10","1","7","1") = "9"
    & skf18("9","8","6","10","1","8","1") = "9"
    & skf18("9","8","6","10","1","9","1") = "9"
    & skf18("9","8","6","10","1","10","1") = "9"
    & skf18("9","8","6","10","2","1","1") = "9"
    & skf18("9","8","6","10","2","2","1") = "9"
    & skf18("9","8","6","10","2","3","1") = "9"
    & skf18("9","8","6","10","2","4","1") = "9"
    & skf18("9","8","6","10","2","5","1") = "9"
    & skf18("9","8","6","10","2","6","1") = "9"
    & skf18("9","8","6","10","2","7","1") = "9"
    & skf18("9","8","6","10","2","8","1") = "9"
    & skf18("9","8","6","10","2","9","1") = "9"
    & skf18("9","8","6","10","2","10","1") = "9"
    & skf18("9","8","6","10","3","1","1") = "9"
    & skf18("9","8","6","10","3","2","1") = "9"
    & skf18("9","8","6","10","3","3","1") = "9"
    & skf18("9","8","6","10","3","4","1") = "9"
    & skf18("9","8","6","10","3","5","1") = "9"
    & skf18("9","8","6","10","3","6","1") = "9"
    & skf18("9","8","6","10","3","7","1") = "9"
    & skf18("9","8","6","10","3","8","1") = "9"
    & skf18("9","8","6","10","3","9","1") = "9"
    & skf18("9","8","6","10","3","10","1") = "9"
    & skf18("9","8","6","10","4","1","1") = "9"
    & skf18("9","8","6","10","4","2","1") = "9"
    & skf18("9","8","6","10","4","3","1") = "9"
    & skf18("9","8","6","10","4","4","1") = "9"
    & skf18("9","8","6","10","4","5","1") = "9"
    & skf18("9","8","6","10","4","6","1") = "9"
    & skf18("9","8","6","10","4","7","1") = "9"
    & skf18("9","8","6","10","4","8","1") = "9"
    & skf18("9","8","6","10","4","9","1") = "9"
    & skf18("9","8","6","10","4","10","1") = "9"
    & skf18("9","8","6","10","5","1","1") = "9"
    & skf18("9","8","6","10","5","2","1") = "9"
    & skf18("9","8","6","10","5","3","1") = "9"
    & skf18("9","8","6","10","5","4","1") = "9"
    & skf18("9","8","6","10","5","5","1") = "9"
    & skf18("9","8","6","10","5","6","1") = "9"
    & skf18("9","8","6","10","5","7","1") = "9"
    & skf18("9","8","6","10","5","8","1") = "9"
    & skf18("9","8","6","10","5","9","1") = "9"
    & skf18("9","8","6","10","5","10","1") = "9"
    & skf18("9","8","6","10","6","1","1") = "9"
    & skf18("9","8","6","10","6","2","1") = "9"
    & skf18("9","8","6","10","6","3","1") = "9"
    & skf18("9","8","6","10","6","4","1") = "9"
    & skf18("9","8","6","10","6","5","1") = "9"
    & skf18("9","8","6","10","6","6","1") = "9"
    & skf18("9","8","6","10","6","7","1") = "9"
    & skf18("9","8","6","10","6","8","1") = "9"
    & skf18("9","8","6","10","6","9","1") = "9"
    & skf18("9","8","6","10","6","10","1") = "9"
    & skf18("9","8","6","10","7","1","1") = "9"
    & skf18("9","8","6","10","7","2","1") = "9"
    & skf18("9","8","6","10","7","3","1") = "9"
    & skf18("9","8","6","10","7","4","1") = "9"
    & skf18("9","8","6","10","7","5","1") = "9"
    & skf18("9","8","6","10","7","6","1") = "9"
    & skf18("9","8","6","10","7","7","1") = "9"
    & skf18("9","8","6","10","7","8","1") = "9"
    & skf18("9","8","6","10","7","9","1") = "9"
    & skf18("9","8","6","10","7","10","1") = "9"
    & skf18("9","8","6","10","8","1","1") = "9"
    & skf18("9","8","6","10","8","2","1") = "9"
    & skf18("9","8","6","10","8","3","1") = "9"
    & skf18("9","8","6","10","8","4","1") = "9"
    & skf18("9","8","6","10","8","5","1") = "9"
    & skf18("9","8","6","10","8","6","1") = "9"
    & skf18("9","8","6","10","8","7","1") = "9"
    & skf18("9","8","6","10","8","8","1") = "9"
    & skf18("9","8","6","10","8","9","1") = "9"
    & skf18("9","8","6","10","8","10","1") = "9"
    & skf18("9","8","6","10","9","1","1") = "9"
    & skf18("9","8","6","10","9","2","1") = "9"
    & skf18("9","8","6","10","9","3","1") = "9"
    & skf18("9","8","6","10","9","4","1") = "9"
    & skf18("9","8","6","10","9","5","1") = "9"
    & skf18("9","8","6","10","9","6","1") = "9"
    & skf18("9","8","6","10","9","7","1") = "9"
    & skf18("9","8","6","10","9","8","1") = "9"
    & skf18("9","8","6","10","9","9","1") = "9"
    & skf18("9","8","6","10","9","10","1") = "9"
    & skf18("9","8","6","10","10","1","1") = "9"
    & skf18("9","8","6","10","10","2","1") = "9"
    & skf18("9","8","6","10","10","3","1") = "9"
    & skf18("9","8","6","10","10","4","1") = "9"
    & skf18("9","8","6","10","10","5","1") = "9"
    & skf18("9","8","6","10","10","6","1") = "9"
    & skf18("9","8","6","10","10","7","1") = "9"
    & skf18("9","8","6","10","10","8","1") = "9"
    & skf18("9","8","6","10","10","9","1") = "9"
    & skf18("9","8","6","10","10","10","1") = "9"
    & skf18("9","8","7","1","1","1","1") = "8"
    & skf18("9","8","7","1","1","2","1") = "8"
    & skf18("9","8","7","1","1","3","1") = "8"
    & skf18("9","8","7","1","1","4","1") = "8"
    & skf18("9","8","7","1","1","5","1") = "8"
    & skf18("9","8","7","1","1","6","1") = "8"
    & skf18("9","8","7","1","1","7","1") = "8"
    & skf18("9","8","7","1","1","8","1") = "8"
    & skf18("9","8","7","1","1","9","1") = "8"
    & skf18("9","8","7","1","1","10","1") = "9"
    & skf18("9","8","7","1","2","1","1") = "8"
    & skf18("9","8","7","1","2","2","1") = "8"
    & skf18("9","8","7","1","2","3","1") = "8"
    & skf18("9","8","7","1","2","4","1") = "8"
    & skf18("9","8","7","1","2","5","1") = "8"
    & skf18("9","8","7","1","2","6","1") = "8"
    & skf18("9","8","7","1","2","7","1") = "8"
    & skf18("9","8","7","1","2","8","1") = "8"
    & skf18("9","8","7","1","2","9","1") = "8"
    & skf18("9","8","7","1","2","10","1") = "9"
    & skf18("9","8","7","1","3","1","1") = "8"
    & skf18("9","8","7","1","3","2","1") = "8"
    & skf18("9","8","7","1","3","3","1") = "8"
    & skf18("9","8","7","1","3","4","1") = "8"
    & skf18("9","8","7","1","3","5","1") = "8"
    & skf18("9","8","7","1","3","6","1") = "8"
    & skf18("9","8","7","1","3","7","1") = "8"
    & skf18("9","8","7","1","3","8","1") = "8"
    & skf18("9","8","7","1","3","9","1") = "8"
    & skf18("9","8","7","1","3","10","1") = "9"
    & skf18("9","8","7","1","4","1","1") = "8"
    & skf18("9","8","7","1","4","2","1") = "8"
    & skf18("9","8","7","1","4","3","1") = "8"
    & skf18("9","8","7","1","4","4","1") = "8"
    & skf18("9","8","7","1","4","5","1") = "8"
    & skf18("9","8","7","1","4","6","1") = "8"
    & skf18("9","8","7","1","4","7","1") = "8"
    & skf18("9","8","7","1","4","8","1") = "8"
    & skf18("9","8","7","1","4","9","1") = "8"
    & skf18("9","8","7","1","4","10","1") = "9"
    & skf18("9","8","7","1","5","1","1") = "8"
    & skf18("9","8","7","1","5","2","1") = "8"
    & skf18("9","8","7","1","5","3","1") = "8"
    & skf18("9","8","7","1","5","4","1") = "8"
    & skf18("9","8","7","1","5","5","1") = "8"
    & skf18("9","8","7","1","5","6","1") = "8"
    & skf18("9","8","7","1","5","7","1") = "8"
    & skf18("9","8","7","1","5","8","1") = "8"
    & skf18("9","8","7","1","5","9","1") = "8"
    & skf18("9","8","7","1","5","10","1") = "9"
    & skf18("9","8","7","1","6","1","1") = "8"
    & skf18("9","8","7","1","6","2","1") = "8"
    & skf18("9","8","7","1","6","3","1") = "8"
    & skf18("9","8","7","1","6","4","1") = "8"
    & skf18("9","8","7","1","6","5","1") = "8"
    & skf18("9","8","7","1","6","6","1") = "8"
    & skf18("9","8","7","1","6","7","1") = "8"
    & skf18("9","8","7","1","6","8","1") = "8"
    & skf18("9","8","7","1","6","9","1") = "8"
    & skf18("9","8","7","1","6","10","1") = "9"
    & skf18("9","8","7","1","7","1","1") = "8"
    & skf18("9","8","7","1","7","2","1") = "8"
    & skf18("9","8","7","1","7","3","1") = "8"
    & skf18("9","8","7","1","7","4","1") = "8"
    & skf18("9","8","7","1","7","5","1") = "8"
    & skf18("9","8","7","1","7","6","1") = "8"
    & skf18("9","8","7","1","7","7","1") = "8"
    & skf18("9","8","7","1","7","8","1") = "8"
    & skf18("9","8","7","1","7","9","1") = "8"
    & skf18("9","8","7","1","7","10","1") = "9"
    & skf18("9","8","7","1","8","1","1") = "8"
    & skf18("9","8","7","1","8","2","1") = "8"
    & skf18("9","8","7","1","8","3","1") = "8"
    & skf18("9","8","7","1","8","4","1") = "8"
    & skf18("9","8","7","1","8","5","1") = "8"
    & skf18("9","8","7","1","8","6","1") = "8"
    & skf18("9","8","7","1","8","7","1") = "8"
    & skf18("9","8","7","1","8","8","1") = "8"
    & skf18("9","8","7","1","8","9","1") = "8"
    & skf18("9","8","7","1","8","10","1") = "9"
    & skf18("9","8","7","1","9","1","1") = "8"
    & skf18("9","8","7","1","9","2","1") = "8"
    & skf18("9","8","7","1","9","3","1") = "8"
    & skf18("9","8","7","1","9","4","1") = "8"
    & skf18("9","8","7","1","9","5","1") = "8"
    & skf18("9","8","7","1","9","6","1") = "8"
    & skf18("9","8","7","1","9","7","1") = "8"
    & skf18("9","8","7","1","9","8","1") = "8"
    & skf18("9","8","7","1","9","9","1") = "8"
    & skf18("9","8","7","1","9","10","1") = "9"
    & skf18("9","8","7","1","10","1","1") = "9"
    & skf18("9","8","7","1","10","2","1") = "9"
    & skf18("9","8","7","1","10","3","1") = "9"
    & skf18("9","8","7","1","10","4","1") = "9"
    & skf18("9","8","7","1","10","5","1") = "9"
    & skf18("9","8","7","1","10","6","1") = "9"
    & skf18("9","8","7","1","10","7","1") = "9"
    & skf18("9","8","7","1","10","8","1") = "9"
    & skf18("9","8","7","1","10","9","1") = "9"
    & skf18("9","8","7","1","10","10","1") = "9"
    & skf18("9","8","7","2","1","1","1") = "8"
    & skf18("9","8","7","2","1","2","1") = "8"
    & skf18("9","8","7","2","1","3","1") = "8"
    & skf18("9","8","7","2","1","4","1") = "8"
    & skf18("9","8","7","2","1","5","1") = "8"
    & skf18("9","8","7","2","1","6","1") = "8"
    & skf18("9","8","7","2","1","7","1") = "8"
    & skf18("9","8","7","2","1","8","1") = "8"
    & skf18("9","8","7","2","1","9","1") = "8"
    & skf18("9","8","7","2","1","10","1") = "9"
    & skf18("9","8","7","2","2","1","1") = "8"
    & skf18("9","8","7","2","2","2","1") = "8"
    & skf18("9","8","7","2","2","3","1") = "8"
    & skf18("9","8","7","2","2","4","1") = "8"
    & skf18("9","8","7","2","2","5","1") = "8"
    & skf18("9","8","7","2","2","6","1") = "8"
    & skf18("9","8","7","2","2","7","1") = "8"
    & skf18("9","8","7","2","2","8","1") = "8"
    & skf18("9","8","7","2","2","9","1") = "8"
    & skf18("9","8","7","2","2","10","1") = "9"
    & skf18("9","8","7","2","3","1","1") = "8"
    & skf18("9","8","7","2","3","2","1") = "8"
    & skf18("9","8","7","2","3","3","1") = "8"
    & skf18("9","8","7","2","3","4","1") = "8"
    & skf18("9","8","7","2","3","5","1") = "8"
    & skf18("9","8","7","2","3","6","1") = "8"
    & skf18("9","8","7","2","3","7","1") = "8"
    & skf18("9","8","7","2","3","8","1") = "8"
    & skf18("9","8","7","2","3","9","1") = "8"
    & skf18("9","8","7","2","3","10","1") = "9"
    & skf18("9","8","7","2","4","1","1") = "8"
    & skf18("9","8","7","2","4","2","1") = "8"
    & skf18("9","8","7","2","4","3","1") = "8"
    & skf18("9","8","7","2","4","4","1") = "8"
    & skf18("9","8","7","2","4","5","1") = "8"
    & skf18("9","8","7","2","4","6","1") = "8"
    & skf18("9","8","7","2","4","7","1") = "8"
    & skf18("9","8","7","2","4","8","1") = "8"
    & skf18("9","8","7","2","4","9","1") = "8"
    & skf18("9","8","7","2","4","10","1") = "9"
    & skf18("9","8","7","2","5","1","1") = "8"
    & skf18("9","8","7","2","5","2","1") = "8"
    & skf18("9","8","7","2","5","3","1") = "8"
    & skf18("9","8","7","2","5","4","1") = "8"
    & skf18("9","8","7","2","5","5","1") = "8"
    & skf18("9","8","7","2","5","6","1") = "8"
    & skf18("9","8","7","2","5","7","1") = "8"
    & skf18("9","8","7","2","5","8","1") = "8"
    & skf18("9","8","7","2","5","9","1") = "8"
    & skf18("9","8","7","2","5","10","1") = "9"
    & skf18("9","8","7","2","6","1","1") = "8"
    & skf18("9","8","7","2","6","2","1") = "8"
    & skf18("9","8","7","2","6","3","1") = "8"
    & skf18("9","8","7","2","6","4","1") = "8"
    & skf18("9","8","7","2","6","5","1") = "8"
    & skf18("9","8","7","2","6","6","1") = "8"
    & skf18("9","8","7","2","6","7","1") = "8"
    & skf18("9","8","7","2","6","8","1") = "8"
    & skf18("9","8","7","2","6","9","1") = "8"
    & skf18("9","8","7","2","6","10","1") = "9"
    & skf18("9","8","7","2","7","1","1") = "8"
    & skf18("9","8","7","2","7","2","1") = "8"
    & skf18("9","8","7","2","7","3","1") = "8"
    & skf18("9","8","7","2","7","4","1") = "8"
    & skf18("9","8","7","2","7","5","1") = "8"
    & skf18("9","8","7","2","7","6","1") = "8"
    & skf18("9","8","7","2","7","7","1") = "8"
    & skf18("9","8","7","2","7","8","1") = "8"
    & skf18("9","8","7","2","7","9","1") = "8"
    & skf18("9","8","7","2","7","10","1") = "9"
    & skf18("9","8","7","2","8","1","1") = "8"
    & skf18("9","8","7","2","8","2","1") = "8"
    & skf18("9","8","7","2","8","3","1") = "8"
    & skf18("9","8","7","2","8","4","1") = "8"
    & skf18("9","8","7","2","8","5","1") = "8"
    & skf18("9","8","7","2","8","6","1") = "8"
    & skf18("9","8","7","2","8","7","1") = "8"
    & skf18("9","8","7","2","8","8","1") = "8"
    & skf18("9","8","7","2","8","9","1") = "8"
    & skf18("9","8","7","2","8","10","1") = "9"
    & skf18("9","8","7","2","9","1","1") = "8"
    & skf18("9","8","7","2","9","2","1") = "8"
    & skf18("9","8","7","2","9","3","1") = "8"
    & skf18("9","8","7","2","9","4","1") = "8"
    & skf18("9","8","7","2","9","5","1") = "8"
    & skf18("9","8","7","2","9","6","1") = "8"
    & skf18("9","8","7","2","9","7","1") = "8"
    & skf18("9","8","7","2","9","8","1") = "8"
    & skf18("9","8","7","2","9","9","1") = "8"
    & skf18("9","8","7","2","9","10","1") = "9"
    & skf18("9","8","7","2","10","1","1") = "9"
    & skf18("9","8","7","2","10","2","1") = "9"
    & skf18("9","8","7","2","10","3","1") = "9"
    & skf18("9","8","7","2","10","4","1") = "9"
    & skf18("9","8","7","2","10","5","1") = "9"
    & skf18("9","8","7","2","10","6","1") = "9"
    & skf18("9","8","7","2","10","7","1") = "9"
    & skf18("9","8","7","2","10","8","1") = "9"
    & skf18("9","8","7","2","10","9","1") = "9"
    & skf18("9","8","7","2","10","10","1") = "9"
    & skf18("9","8","7","3","1","1","1") = "8"
    & skf18("9","8","7","3","1","2","1") = "8"
    & skf18("9","8","7","3","1","3","1") = "8"
    & skf18("9","8","7","3","1","4","1") = "8"
    & skf18("9","8","7","3","1","5","1") = "8"
    & skf18("9","8","7","3","1","6","1") = "8"
    & skf18("9","8","7","3","1","7","1") = "8"
    & skf18("9","8","7","3","1","8","1") = "8"
    & skf18("9","8","7","3","1","9","1") = "8"
    & skf18("9","8","7","3","1","10","1") = "9"
    & skf18("9","8","7","3","2","1","1") = "8"
    & skf18("9","8","7","3","2","2","1") = "8"
    & skf18("9","8","7","3","2","3","1") = "8"
    & skf18("9","8","7","3","2","4","1") = "8"
    & skf18("9","8","7","3","2","5","1") = "8"
    & skf18("9","8","7","3","2","6","1") = "8"
    & skf18("9","8","7","3","2","7","1") = "8"
    & skf18("9","8","7","3","2","8","1") = "8"
    & skf18("9","8","7","3","2","9","1") = "8"
    & skf18("9","8","7","3","2","10","1") = "9"
    & skf18("9","8","7","3","3","1","1") = "8"
    & skf18("9","8","7","3","3","2","1") = "8"
    & skf18("9","8","7","3","3","3","1") = "8"
    & skf18("9","8","7","3","3","4","1") = "8"
    & skf18("9","8","7","3","3","5","1") = "8"
    & skf18("9","8","7","3","3","6","1") = "8"
    & skf18("9","8","7","3","3","7","1") = "8"
    & skf18("9","8","7","3","3","8","1") = "8"
    & skf18("9","8","7","3","3","9","1") = "8"
    & skf18("9","8","7","3","3","10","1") = "9"
    & skf18("9","8","7","3","4","1","1") = "8"
    & skf18("9","8","7","3","4","2","1") = "8"
    & skf18("9","8","7","3","4","3","1") = "8"
    & skf18("9","8","7","3","4","4","1") = "8"
    & skf18("9","8","7","3","4","5","1") = "8"
    & skf18("9","8","7","3","4","6","1") = "8"
    & skf18("9","8","7","3","4","7","1") = "8"
    & skf18("9","8","7","3","4","8","1") = "8"
    & skf18("9","8","7","3","4","9","1") = "8"
    & skf18("9","8","7","3","4","10","1") = "9"
    & skf18("9","8","7","3","5","1","1") = "8"
    & skf18("9","8","7","3","5","2","1") = "8"
    & skf18("9","8","7","3","5","3","1") = "8"
    & skf18("9","8","7","3","5","4","1") = "8"
    & skf18("9","8","7","3","5","5","1") = "8"
    & skf18("9","8","7","3","5","6","1") = "8"
    & skf18("9","8","7","3","5","7","1") = "8"
    & skf18("9","8","7","3","5","8","1") = "8"
    & skf18("9","8","7","3","5","9","1") = "8"
    & skf18("9","8","7","3","5","10","1") = "9"
    & skf18("9","8","7","3","6","1","1") = "8"
    & skf18("9","8","7","3","6","2","1") = "8"
    & skf18("9","8","7","3","6","3","1") = "8"
    & skf18("9","8","7","3","6","4","1") = "8"
    & skf18("9","8","7","3","6","5","1") = "8"
    & skf18("9","8","7","3","6","6","1") = "8"
    & skf18("9","8","7","3","6","7","1") = "8"
    & skf18("9","8","7","3","6","8","1") = "8"
    & skf18("9","8","7","3","6","9","1") = "8"
    & skf18("9","8","7","3","6","10","1") = "9"
    & skf18("9","8","7","3","7","1","1") = "8"
    & skf18("9","8","7","3","7","2","1") = "8"
    & skf18("9","8","7","3","7","3","1") = "8"
    & skf18("9","8","7","3","7","4","1") = "8"
    & skf18("9","8","7","3","7","5","1") = "8"
    & skf18("9","8","7","3","7","6","1") = "8"
    & skf18("9","8","7","3","7","7","1") = "8"
    & skf18("9","8","7","3","7","8","1") = "8"
    & skf18("9","8","7","3","7","9","1") = "8"
    & skf18("9","8","7","3","7","10","1") = "9"
    & skf18("9","8","7","3","8","1","1") = "8"
    & skf18("9","8","7","3","8","2","1") = "8"
    & skf18("9","8","7","3","8","3","1") = "8"
    & skf18("9","8","7","3","8","4","1") = "8"
    & skf18("9","8","7","3","8","5","1") = "8"
    & skf18("9","8","7","3","8","6","1") = "8"
    & skf18("9","8","7","3","8","7","1") = "8"
    & skf18("9","8","7","3","8","8","1") = "8"
    & skf18("9","8","7","3","8","9","1") = "8"
    & skf18("9","8","7","3","8","10","1") = "9"
    & skf18("9","8","7","3","9","1","1") = "8"
    & skf18("9","8","7","3","9","2","1") = "8"
    & skf18("9","8","7","3","9","3","1") = "8"
    & skf18("9","8","7","3","9","4","1") = "8"
    & skf18("9","8","7","3","9","5","1") = "8"
    & skf18("9","8","7","3","9","6","1") = "8"
    & skf18("9","8","7","3","9","7","1") = "8"
    & skf18("9","8","7","3","9","8","1") = "8"
    & skf18("9","8","7","3","9","9","1") = "8"
    & skf18("9","8","7","3","9","10","1") = "9"
    & skf18("9","8","7","3","10","1","1") = "9"
    & skf18("9","8","7","3","10","2","1") = "9"
    & skf18("9","8","7","3","10","3","1") = "9"
    & skf18("9","8","7","3","10","4","1") = "9"
    & skf18("9","8","7","3","10","5","1") = "9"
    & skf18("9","8","7","3","10","6","1") = "9"
    & skf18("9","8","7","3","10","7","1") = "9"
    & skf18("9","8","7","3","10","8","1") = "9"
    & skf18("9","8","7","3","10","9","1") = "9"
    & skf18("9","8","7","3","10","10","1") = "9"
    & skf18("9","8","7","4","1","1","1") = "8"
    & skf18("9","8","7","4","1","2","1") = "8"
    & skf18("9","8","7","4","1","3","1") = "8"
    & skf18("9","8","7","4","1","4","1") = "8"
    & skf18("9","8","7","4","1","5","1") = "8"
    & skf18("9","8","7","4","1","6","1") = "8"
    & skf18("9","8","7","4","1","7","1") = "8"
    & skf18("9","8","7","4","1","8","1") = "8"
    & skf18("9","8","7","4","1","9","1") = "8"
    & skf18("9","8","7","4","1","10","1") = "9"
    & skf18("9","8","7","4","2","1","1") = "8"
    & skf18("9","8","7","4","2","2","1") = "8"
    & skf18("9","8","7","4","2","3","1") = "8"
    & skf18("9","8","7","4","2","4","1") = "8"
    & skf18("9","8","7","4","2","5","1") = "8"
    & skf18("9","8","7","4","2","6","1") = "8"
    & skf18("9","8","7","4","2","7","1") = "8"
    & skf18("9","8","7","4","2","8","1") = "8"
    & skf18("9","8","7","4","2","9","1") = "8"
    & skf18("9","8","7","4","2","10","1") = "9"
    & skf18("9","8","7","4","3","1","1") = "8"
    & skf18("9","8","7","4","3","2","1") = "8"
    & skf18("9","8","7","4","3","3","1") = "8"
    & skf18("9","8","7","4","3","4","1") = "8"
    & skf18("9","8","7","4","3","5","1") = "8"
    & skf18("9","8","7","4","3","6","1") = "8"
    & skf18("9","8","7","4","3","7","1") = "8"
    & skf18("9","8","7","4","3","8","1") = "8"
    & skf18("9","8","7","4","3","9","1") = "8"
    & skf18("9","8","7","4","3","10","1") = "9"
    & skf18("9","8","7","4","4","1","1") = "8"
    & skf18("9","8","7","4","4","2","1") = "8"
    & skf18("9","8","7","4","4","3","1") = "8"
    & skf18("9","8","7","4","4","4","1") = "8"
    & skf18("9","8","7","4","4","5","1") = "8"
    & skf18("9","8","7","4","4","6","1") = "8"
    & skf18("9","8","7","4","4","7","1") = "8"
    & skf18("9","8","7","4","4","8","1") = "8"
    & skf18("9","8","7","4","4","9","1") = "8"
    & skf18("9","8","7","4","4","10","1") = "9"
    & skf18("9","8","7","4","5","1","1") = "8"
    & skf18("9","8","7","4","5","2","1") = "8"
    & skf18("9","8","7","4","5","3","1") = "8"
    & skf18("9","8","7","4","5","4","1") = "8"
    & skf18("9","8","7","4","5","5","1") = "8"
    & skf18("9","8","7","4","5","6","1") = "8"
    & skf18("9","8","7","4","5","7","1") = "8"
    & skf18("9","8","7","4","5","8","1") = "8"
    & skf18("9","8","7","4","5","9","1") = "8"
    & skf18("9","8","7","4","5","10","1") = "9"
    & skf18("9","8","7","4","6","1","1") = "8"
    & skf18("9","8","7","4","6","2","1") = "8"
    & skf18("9","8","7","4","6","3","1") = "8"
    & skf18("9","8","7","4","6","4","1") = "8"
    & skf18("9","8","7","4","6","5","1") = "8"
    & skf18("9","8","7","4","6","6","1") = "8"
    & skf18("9","8","7","4","6","7","1") = "8"
    & skf18("9","8","7","4","6","8","1") = "8"
    & skf18("9","8","7","4","6","9","1") = "8"
    & skf18("9","8","7","4","6","10","1") = "9"
    & skf18("9","8","7","4","7","1","1") = "8"
    & skf18("9","8","7","4","7","2","1") = "8"
    & skf18("9","8","7","4","7","3","1") = "8"
    & skf18("9","8","7","4","7","4","1") = "8"
    & skf18("9","8","7","4","7","5","1") = "8"
    & skf18("9","8","7","4","7","6","1") = "8"
    & skf18("9","8","7","4","7","7","1") = "8"
    & skf18("9","8","7","4","7","8","1") = "8"
    & skf18("9","8","7","4","7","9","1") = "8"
    & skf18("9","8","7","4","7","10","1") = "9"
    & skf18("9","8","7","4","8","1","1") = "8"
    & skf18("9","8","7","4","8","2","1") = "8"
    & skf18("9","8","7","4","8","3","1") = "8"
    & skf18("9","8","7","4","8","4","1") = "8"
    & skf18("9","8","7","4","8","5","1") = "8"
    & skf18("9","8","7","4","8","6","1") = "8"
    & skf18("9","8","7","4","8","7","1") = "8"
    & skf18("9","8","7","4","8","8","1") = "8"
    & skf18("9","8","7","4","8","9","1") = "8"
    & skf18("9","8","7","4","8","10","1") = "9"
    & skf18("9","8","7","4","9","1","1") = "8"
    & skf18("9","8","7","4","9","2","1") = "8"
    & skf18("9","8","7","4","9","3","1") = "8"
    & skf18("9","8","7","4","9","4","1") = "8"
    & skf18("9","8","7","4","9","5","1") = "8"
    & skf18("9","8","7","4","9","6","1") = "8"
    & skf18("9","8","7","4","9","7","1") = "8"
    & skf18("9","8","7","4","9","8","1") = "8"
    & skf18("9","8","7","4","9","9","1") = "8"
    & skf18("9","8","7","4","9","10","1") = "9"
    & skf18("9","8","7","4","10","1","1") = "9"
    & skf18("9","8","7","4","10","2","1") = "9"
    & skf18("9","8","7","4","10","3","1") = "9"
    & skf18("9","8","7","4","10","4","1") = "9"
    & skf18("9","8","7","4","10","5","1") = "9"
    & skf18("9","8","7","4","10","6","1") = "9"
    & skf18("9","8","7","4","10","7","1") = "9"
    & skf18("9","8","7","4","10","8","1") = "9"
    & skf18("9","8","7","4","10","9","1") = "9"
    & skf18("9","8","7","4","10","10","1") = "9"
    & skf18("9","8","7","5","1","1","1") = "8"
    & skf18("9","8","7","5","1","2","1") = "8"
    & skf18("9","8","7","5","1","3","1") = "8"
    & skf18("9","8","7","5","1","4","1") = "8"
    & skf18("9","8","7","5","1","5","1") = "8"
    & skf18("9","8","7","5","1","6","1") = "8"
    & skf18("9","8","7","5","1","7","1") = "8"
    & skf18("9","8","7","5","1","8","1") = "8"
    & skf18("9","8","7","5","1","9","1") = "8"
    & skf18("9","8","7","5","1","10","1") = "9"
    & skf18("9","8","7","5","2","1","1") = "8"
    & skf18("9","8","7","5","2","2","1") = "8"
    & skf18("9","8","7","5","2","3","1") = "8"
    & skf18("9","8","7","5","2","4","1") = "8"
    & skf18("9","8","7","5","2","5","1") = "8"
    & skf18("9","8","7","5","2","6","1") = "8"
    & skf18("9","8","7","5","2","7","1") = "8"
    & skf18("9","8","7","5","2","8","1") = "8"
    & skf18("9","8","7","5","2","9","1") = "8"
    & skf18("9","8","7","5","2","10","1") = "9"
    & skf18("9","8","7","5","3","1","1") = "8"
    & skf18("9","8","7","5","3","2","1") = "8"
    & skf18("9","8","7","5","3","3","1") = "8"
    & skf18("9","8","7","5","3","4","1") = "8"
    & skf18("9","8","7","5","3","5","1") = "8"
    & skf18("9","8","7","5","3","6","1") = "8"
    & skf18("9","8","7","5","3","7","1") = "8"
    & skf18("9","8","7","5","3","8","1") = "8"
    & skf18("9","8","7","5","3","9","1") = "8"
    & skf18("9","8","7","5","3","10","1") = "9"
    & skf18("9","8","7","5","4","1","1") = "8"
    & skf18("9","8","7","5","4","2","1") = "8"
    & skf18("9","8","7","5","4","3","1") = "8"
    & skf18("9","8","7","5","4","4","1") = "8"
    & skf18("9","8","7","5","4","5","1") = "8"
    & skf18("9","8","7","5","4","6","1") = "8"
    & skf18("9","8","7","5","4","7","1") = "8"
    & skf18("9","8","7","5","4","8","1") = "8"
    & skf18("9","8","7","5","4","9","1") = "8"
    & skf18("9","8","7","5","4","10","1") = "9"
    & skf18("9","8","7","5","5","1","1") = "8"
    & skf18("9","8","7","5","5","2","1") = "8"
    & skf18("9","8","7","5","5","3","1") = "8"
    & skf18("9","8","7","5","5","4","1") = "8"
    & skf18("9","8","7","5","5","5","1") = "8"
    & skf18("9","8","7","5","5","6","1") = "8"
    & skf18("9","8","7","5","5","7","1") = "8"
    & skf18("9","8","7","5","5","8","1") = "8"
    & skf18("9","8","7","5","5","9","1") = "8"
    & skf18("9","8","7","5","5","10","1") = "9"
    & skf18("9","8","7","5","6","1","1") = "8"
    & skf18("9","8","7","5","6","2","1") = "8"
    & skf18("9","8","7","5","6","3","1") = "8"
    & skf18("9","8","7","5","6","4","1") = "8"
    & skf18("9","8","7","5","6","5","1") = "8"
    & skf18("9","8","7","5","6","6","1") = "8"
    & skf18("9","8","7","5","6","7","1") = "8"
    & skf18("9","8","7","5","6","8","1") = "8"
    & skf18("9","8","7","5","6","9","1") = "8"
    & skf18("9","8","7","5","6","10","1") = "9"
    & skf18("9","8","7","5","7","1","1") = "8"
    & skf18("9","8","7","5","7","2","1") = "8"
    & skf18("9","8","7","5","7","3","1") = "8"
    & skf18("9","8","7","5","7","4","1") = "8"
    & skf18("9","8","7","5","7","5","1") = "8"
    & skf18("9","8","7","5","7","6","1") = "8"
    & skf18("9","8","7","5","7","7","1") = "8"
    & skf18("9","8","7","5","7","8","1") = "8"
    & skf18("9","8","7","5","7","9","1") = "8"
    & skf18("9","8","7","5","7","10","1") = "9"
    & skf18("9","8","7","5","8","1","1") = "8"
    & skf18("9","8","7","5","8","2","1") = "8"
    & skf18("9","8","7","5","8","3","1") = "8"
    & skf18("9","8","7","5","8","4","1") = "8"
    & skf18("9","8","7","5","8","5","1") = "8"
    & skf18("9","8","7","5","8","6","1") = "8"
    & skf18("9","8","7","5","8","7","1") = "8"
    & skf18("9","8","7","5","8","8","1") = "8"
    & skf18("9","8","7","5","8","9","1") = "8"
    & skf18("9","8","7","5","8","10","1") = "9"
    & skf18("9","8","7","5","9","1","1") = "8"
    & skf18("9","8","7","5","9","2","1") = "8"
    & skf18("9","8","7","5","9","3","1") = "8"
    & skf18("9","8","7","5","9","4","1") = "8"
    & skf18("9","8","7","5","9","5","1") = "8"
    & skf18("9","8","7","5","9","6","1") = "8"
    & skf18("9","8","7","5","9","7","1") = "8"
    & skf18("9","8","7","5","9","8","1") = "8"
    & skf18("9","8","7","5","9","9","1") = "8"
    & skf18("9","8","7","5","9","10","1") = "9"
    & skf18("9","8","7","5","10","1","1") = "9"
    & skf18("9","8","7","5","10","2","1") = "9"
    & skf18("9","8","7","5","10","3","1") = "9"
    & skf18("9","8","7","5","10","4","1") = "9"
    & skf18("9","8","7","5","10","5","1") = "9"
    & skf18("9","8","7","5","10","6","1") = "9"
    & skf18("9","8","7","5","10","7","1") = "9"
    & skf18("9","8","7","5","10","8","1") = "9"
    & skf18("9","8","7","5","10","9","1") = "9"
    & skf18("9","8","7","5","10","10","1") = "9"
    & skf18("9","8","7","6","1","1","1") = "8"
    & skf18("9","8","7","6","1","2","1") = "8"
    & skf18("9","8","7","6","1","3","1") = "8"
    & skf18("9","8","7","6","1","4","1") = "8"
    & skf18("9","8","7","6","1","5","1") = "8"
    & skf18("9","8","7","6","1","6","1") = "8"
    & skf18("9","8","7","6","1","7","1") = "8"
    & skf18("9","8","7","6","1","8","1") = "8"
    & skf18("9","8","7","6","1","9","1") = "8"
    & skf18("9","8","7","6","1","10","1") = "9"
    & skf18("9","8","7","6","2","1","1") = "8"
    & skf18("9","8","7","6","2","2","1") = "8"
    & skf18("9","8","7","6","2","3","1") = "8"
    & skf18("9","8","7","6","2","4","1") = "8"
    & skf18("9","8","7","6","2","5","1") = "8"
    & skf18("9","8","7","6","2","6","1") = "8"
    & skf18("9","8","7","6","2","7","1") = "8"
    & skf18("9","8","7","6","2","8","1") = "8"
    & skf18("9","8","7","6","2","9","1") = "8"
    & skf18("9","8","7","6","2","10","1") = "9"
    & skf18("9","8","7","6","3","1","1") = "8"
    & skf18("9","8","7","6","3","2","1") = "8"
    & skf18("9","8","7","6","3","3","1") = "8"
    & skf18("9","8","7","6","3","4","1") = "8"
    & skf18("9","8","7","6","3","5","1") = "8"
    & skf18("9","8","7","6","3","6","1") = "8"
    & skf18("9","8","7","6","3","7","1") = "8"
    & skf18("9","8","7","6","3","8","1") = "8"
    & skf18("9","8","7","6","3","9","1") = "8"
    & skf18("9","8","7","6","3","10","1") = "9"
    & skf18("9","8","7","6","4","1","1") = "8"
    & skf18("9","8","7","6","4","2","1") = "8"
    & skf18("9","8","7","6","4","3","1") = "8"
    & skf18("9","8","7","6","4","4","1") = "8"
    & skf18("9","8","7","6","4","5","1") = "8"
    & skf18("9","8","7","6","4","6","1") = "8"
    & skf18("9","8","7","6","4","7","1") = "8"
    & skf18("9","8","7","6","4","8","1") = "8"
    & skf18("9","8","7","6","4","9","1") = "8"
    & skf18("9","8","7","6","4","10","1") = "9"
    & skf18("9","8","7","6","5","1","1") = "8"
    & skf18("9","8","7","6","5","2","1") = "8"
    & skf18("9","8","7","6","5","3","1") = "8"
    & skf18("9","8","7","6","5","4","1") = "8"
    & skf18("9","8","7","6","5","5","1") = "8"
    & skf18("9","8","7","6","5","6","1") = "8"
    & skf18("9","8","7","6","5","7","1") = "8"
    & skf18("9","8","7","6","5","8","1") = "8"
    & skf18("9","8","7","6","5","9","1") = "8"
    & skf18("9","8","7","6","5","10","1") = "9"
    & skf18("9","8","7","6","6","1","1") = "8"
    & skf18("9","8","7","6","6","2","1") = "8"
    & skf18("9","8","7","6","6","3","1") = "8"
    & skf18("9","8","7","6","6","4","1") = "8"
    & skf18("9","8","7","6","6","5","1") = "8"
    & skf18("9","8","7","6","6","6","1") = "8"
    & skf18("9","8","7","6","6","7","1") = "8"
    & skf18("9","8","7","6","6","8","1") = "8"
    & skf18("9","8","7","6","6","9","1") = "8"
    & skf18("9","8","7","6","6","10","1") = "9"
    & skf18("9","8","7","6","7","1","1") = "8"
    & skf18("9","8","7","6","7","2","1") = "8"
    & skf18("9","8","7","6","7","3","1") = "8"
    & skf18("9","8","7","6","7","4","1") = "8"
    & skf18("9","8","7","6","7","5","1") = "8"
    & skf18("9","8","7","6","7","6","1") = "8"
    & skf18("9","8","7","6","7","7","1") = "8"
    & skf18("9","8","7","6","7","8","1") = "8"
    & skf18("9","8","7","6","7","9","1") = "8"
    & skf18("9","8","7","6","7","10","1") = "9"
    & skf18("9","8","7","6","8","1","1") = "8"
    & skf18("9","8","7","6","8","2","1") = "8"
    & skf18("9","8","7","6","8","3","1") = "8"
    & skf18("9","8","7","6","8","4","1") = "8"
    & skf18("9","8","7","6","8","5","1") = "8"
    & skf18("9","8","7","6","8","6","1") = "8"
    & skf18("9","8","7","6","8","7","1") = "8"
    & skf18("9","8","7","6","8","8","1") = "8"
    & skf18("9","8","7","6","8","9","1") = "8"
    & skf18("9","8","7","6","8","10","1") = "9"
    & skf18("9","8","7","6","9","1","1") = "8"
    & skf18("9","8","7","6","9","2","1") = "8"
    & skf18("9","8","7","6","9","3","1") = "8"
    & skf18("9","8","7","6","9","4","1") = "8"
    & skf18("9","8","7","6","9","5","1") = "8"
    & skf18("9","8","7","6","9","6","1") = "8"
    & skf18("9","8","7","6","9","7","1") = "8"
    & skf18("9","8","7","6","9","8","1") = "8"
    & skf18("9","8","7","6","9","9","1") = "8"
    & skf18("9","8","7","6","9","10","1") = "9"
    & skf18("9","8","7","6","10","1","1") = "9"
    & skf18("9","8","7","6","10","2","1") = "9"
    & skf18("9","8","7","6","10","3","1") = "9"
    & skf18("9","8","7","6","10","4","1") = "9"
    & skf18("9","8","7","6","10","5","1") = "9"
    & skf18("9","8","7","6","10","6","1") = "9"
    & skf18("9","8","7","6","10","7","1") = "9"
    & skf18("9","8","7","6","10","8","1") = "9"
    & skf18("9","8","7","6","10","9","1") = "9"
    & skf18("9","8","7","6","10","10","1") = "9"
    & skf18("9","8","7","7","1","1","1") = "8"
    & skf18("9","8","7","7","1","2","1") = "8"
    & skf18("9","8","7","7","1","3","1") = "8"
    & skf18("9","8","7","7","1","4","1") = "8"
    & skf18("9","8","7","7","1","5","1") = "8"
    & skf18("9","8","7","7","1","6","1") = "8"
    & skf18("9","8","7","7","1","7","1") = "8"
    & skf18("9","8","7","7","1","8","1") = "8"
    & skf18("9","8","7","7","1","9","1") = "8"
    & skf18("9","8","7","7","1","10","1") = "9"
    & skf18("9","8","7","7","2","1","1") = "8"
    & skf18("9","8","7","7","2","2","1") = "8"
    & skf18("9","8","7","7","2","3","1") = "8"
    & skf18("9","8","7","7","2","4","1") = "8"
    & skf18("9","8","7","7","2","5","1") = "8"
    & skf18("9","8","7","7","2","6","1") = "8"
    & skf18("9","8","7","7","2","7","1") = "8"
    & skf18("9","8","7","7","2","8","1") = "8"
    & skf18("9","8","7","7","2","9","1") = "8"
    & skf18("9","8","7","7","2","10","1") = "9"
    & skf18("9","8","7","7","3","1","1") = "8"
    & skf18("9","8","7","7","3","2","1") = "8"
    & skf18("9","8","7","7","3","3","1") = "8"
    & skf18("9","8","7","7","3","4","1") = "8"
    & skf18("9","8","7","7","3","5","1") = "8"
    & skf18("9","8","7","7","3","6","1") = "8"
    & skf18("9","8","7","7","3","7","1") = "8"
    & skf18("9","8","7","7","3","8","1") = "8"
    & skf18("9","8","7","7","3","9","1") = "8"
    & skf18("9","8","7","7","3","10","1") = "9"
    & skf18("9","8","7","7","4","1","1") = "8"
    & skf18("9","8","7","7","4","2","1") = "8"
    & skf18("9","8","7","7","4","3","1") = "8"
    & skf18("9","8","7","7","4","4","1") = "8"
    & skf18("9","8","7","7","4","5","1") = "8"
    & skf18("9","8","7","7","4","6","1") = "8"
    & skf18("9","8","7","7","4","7","1") = "8"
    & skf18("9","8","7","7","4","8","1") = "8"
    & skf18("9","8","7","7","4","9","1") = "8"
    & skf18("9","8","7","7","4","10","1") = "9"
    & skf18("9","8","7","7","5","1","1") = "8"
    & skf18("9","8","7","7","5","2","1") = "8"
    & skf18("9","8","7","7","5","3","1") = "8"
    & skf18("9","8","7","7","5","4","1") = "8"
    & skf18("9","8","7","7","5","5","1") = "8"
    & skf18("9","8","7","7","5","6","1") = "8"
    & skf18("9","8","7","7","5","7","1") = "8"
    & skf18("9","8","7","7","5","8","1") = "8"
    & skf18("9","8","7","7","5","9","1") = "8"
    & skf18("9","8","7","7","5","10","1") = "9"
    & skf18("9","8","7","7","6","1","1") = "8"
    & skf18("9","8","7","7","6","2","1") = "8"
    & skf18("9","8","7","7","6","3","1") = "8"
    & skf18("9","8","7","7","6","4","1") = "8"
    & skf18("9","8","7","7","6","5","1") = "8"
    & skf18("9","8","7","7","6","6","1") = "8"
    & skf18("9","8","7","7","6","7","1") = "8"
    & skf18("9","8","7","7","6","8","1") = "8"
    & skf18("9","8","7","7","6","9","1") = "8"
    & skf18("9","8","7","7","6","10","1") = "9"
    & skf18("9","8","7","7","7","1","1") = "8"
    & skf18("9","8","7","7","7","2","1") = "8"
    & skf18("9","8","7","7","7","3","1") = "8"
    & skf18("9","8","7","7","7","4","1") = "8"
    & skf18("9","8","7","7","7","5","1") = "8"
    & skf18("9","8","7","7","7","6","1") = "8"
    & skf18("9","8","7","7","7","7","1") = "8"
    & skf18("9","8","7","7","7","8","1") = "8"
    & skf18("9","8","7","7","7","9","1") = "8"
    & skf18("9","8","7","7","7","10","1") = "9"
    & skf18("9","8","7","7","8","1","1") = "8"
    & skf18("9","8","7","7","8","2","1") = "8"
    & skf18("9","8","7","7","8","3","1") = "8"
    & skf18("9","8","7","7","8","4","1") = "8"
    & skf18("9","8","7","7","8","5","1") = "8"
    & skf18("9","8","7","7","8","6","1") = "8"
    & skf18("9","8","7","7","8","7","1") = "8"
    & skf18("9","8","7","7","8","8","1") = "8"
    & skf18("9","8","7","7","8","9","1") = "8"
    & skf18("9","8","7","7","8","10","1") = "9"
    & skf18("9","8","7","7","9","1","1") = "8"
    & skf18("9","8","7","7","9","2","1") = "8"
    & skf18("9","8","7","7","9","3","1") = "8"
    & skf18("9","8","7","7","9","4","1") = "8"
    & skf18("9","8","7","7","9","5","1") = "8"
    & skf18("9","8","7","7","9","6","1") = "8"
    & skf18("9","8","7","7","9","7","1") = "8"
    & skf18("9","8","7","7","9","8","1") = "8"
    & skf18("9","8","7","7","9","9","1") = "8"
    & skf18("9","8","7","7","9","10","1") = "9"
    & skf18("9","8","7","7","10","1","1") = "9"
    & skf18("9","8","7","7","10","2","1") = "9"
    & skf18("9","8","7","7","10","3","1") = "9"
    & skf18("9","8","7","7","10","4","1") = "9"
    & skf18("9","8","7","7","10","5","1") = "9"
    & skf18("9","8","7","7","10","6","1") = "9"
    & skf18("9","8","7","7","10","7","1") = "9"
    & skf18("9","8","7","7","10","8","1") = "9"
    & skf18("9","8","7","7","10","9","1") = "9"
    & skf18("9","8","7","7","10","10","1") = "9"
    & skf18("9","8","7","8","1","1","1") = "8"
    & skf18("9","8","7","8","1","2","1") = "8"
    & skf18("9","8","7","8","1","3","1") = "8"
    & skf18("9","8","7","8","1","4","1") = "8"
    & skf18("9","8","7","8","1","5","1") = "8"
    & skf18("9","8","7","8","1","6","1") = "8"
    & skf18("9","8","7","8","1","7","1") = "8"
    & skf18("9","8","7","8","1","8","1") = "8"
    & skf18("9","8","7","8","1","9","1") = "8"
    & skf18("9","8","7","8","1","10","1") = "9"
    & skf18("9","8","7","8","2","1","1") = "8"
    & skf18("9","8","7","8","2","2","1") = "8"
    & skf18("9","8","7","8","2","3","1") = "8"
    & skf18("9","8","7","8","2","4","1") = "8"
    & skf18("9","8","7","8","2","5","1") = "8"
    & skf18("9","8","7","8","2","6","1") = "8"
    & skf18("9","8","7","8","2","7","1") = "8"
    & skf18("9","8","7","8","2","8","1") = "8"
    & skf18("9","8","7","8","2","9","1") = "8"
    & skf18("9","8","7","8","2","10","1") = "9"
    & skf18("9","8","7","8","3","1","1") = "8"
    & skf18("9","8","7","8","3","2","1") = "8"
    & skf18("9","8","7","8","3","3","1") = "8"
    & skf18("9","8","7","8","3","4","1") = "8"
    & skf18("9","8","7","8","3","5","1") = "8"
    & skf18("9","8","7","8","3","6","1") = "8"
    & skf18("9","8","7","8","3","7","1") = "8"
    & skf18("9","8","7","8","3","8","1") = "8"
    & skf18("9","8","7","8","3","9","1") = "8"
    & skf18("9","8","7","8","3","10","1") = "9"
    & skf18("9","8","7","8","4","1","1") = "8"
    & skf18("9","8","7","8","4","2","1") = "8"
    & skf18("9","8","7","8","4","3","1") = "8"
    & skf18("9","8","7","8","4","4","1") = "8"
    & skf18("9","8","7","8","4","5","1") = "8"
    & skf18("9","8","7","8","4","6","1") = "8"
    & skf18("9","8","7","8","4","7","1") = "8"
    & skf18("9","8","7","8","4","8","1") = "8"
    & skf18("9","8","7","8","4","9","1") = "8"
    & skf18("9","8","7","8","4","10","1") = "9"
    & skf18("9","8","7","8","5","1","1") = "8"
    & skf18("9","8","7","8","5","2","1") = "8"
    & skf18("9","8","7","8","5","3","1") = "8"
    & skf18("9","8","7","8","5","4","1") = "8"
    & skf18("9","8","7","8","5","5","1") = "8"
    & skf18("9","8","7","8","5","6","1") = "8"
    & skf18("9","8","7","8","5","7","1") = "8"
    & skf18("9","8","7","8","5","8","1") = "8"
    & skf18("9","8","7","8","5","9","1") = "8"
    & skf18("9","8","7","8","5","10","1") = "9"
    & skf18("9","8","7","8","6","1","1") = "8"
    & skf18("9","8","7","8","6","2","1") = "8"
    & skf18("9","8","7","8","6","3","1") = "8"
    & skf18("9","8","7","8","6","4","1") = "8"
    & skf18("9","8","7","8","6","5","1") = "8"
    & skf18("9","8","7","8","6","6","1") = "8"
    & skf18("9","8","7","8","6","7","1") = "8"
    & skf18("9","8","7","8","6","8","1") = "8"
    & skf18("9","8","7","8","6","9","1") = "8"
    & skf18("9","8","7","8","6","10","1") = "9"
    & skf18("9","8","7","8","7","1","1") = "8"
    & skf18("9","8","7","8","7","2","1") = "8"
    & skf18("9","8","7","8","7","3","1") = "8"
    & skf18("9","8","7","8","7","4","1") = "8"
    & skf18("9","8","7","8","7","5","1") = "8"
    & skf18("9","8","7","8","7","6","1") = "8"
    & skf18("9","8","7","8","7","7","1") = "8"
    & skf18("9","8","7","8","7","8","1") = "8"
    & skf18("9","8","7","8","7","9","1") = "8"
    & skf18("9","8","7","8","7","10","1") = "9"
    & skf18("9","8","7","8","8","1","1") = "8"
    & skf18("9","8","7","8","8","2","1") = "8"
    & skf18("9","8","7","8","8","3","1") = "8"
    & skf18("9","8","7","8","8","4","1") = "8"
    & skf18("9","8","7","8","8","5","1") = "8"
    & skf18("9","8","7","8","8","6","1") = "8"
    & skf18("9","8","7","8","8","7","1") = "8"
    & skf18("9","8","7","8","8","8","1") = "8"
    & skf18("9","8","7","8","8","9","1") = "8"
    & skf18("9","8","7","8","8","10","1") = "9"
    & skf18("9","8","7","8","9","1","1") = "8"
    & skf18("9","8","7","8","9","2","1") = "8"
    & skf18("9","8","7","8","9","3","1") = "8"
    & skf18("9","8","7","8","9","4","1") = "8"
    & skf18("9","8","7","8","9","5","1") = "8"
    & skf18("9","8","7","8","9","6","1") = "8"
    & skf18("9","8","7","8","9","7","1") = "8"
    & skf18("9","8","7","8","9","8","1") = "8"
    & skf18("9","8","7","8","9","9","1") = "8"
    & skf18("9","8","7","8","9","10","1") = "9"
    & skf18("9","8","7","8","10","1","1") = "9"
    & skf18("9","8","7","8","10","2","1") = "9"
    & skf18("9","8","7","8","10","3","1") = "9"
    & skf18("9","8","7","8","10","4","1") = "9"
    & skf18("9","8","7","8","10","5","1") = "9"
    & skf18("9","8","7","8","10","6","1") = "9"
    & skf18("9","8","7","8","10","7","1") = "9"
    & skf18("9","8","7","8","10","8","1") = "9"
    & skf18("9","8","7","8","10","9","1") = "9"
    & skf18("9","8","7","8","10","10","1") = "9"
    & skf18("9","8","7","9","1","1","1") = "8"
    & skf18("9","8","7","9","1","2","1") = "8"
    & skf18("9","8","7","9","1","3","1") = "8"
    & skf18("9","8","7","9","1","4","1") = "8"
    & skf18("9","8","7","9","1","5","1") = "8"
    & skf18("9","8","7","9","1","6","1") = "8"
    & skf18("9","8","7","9","1","7","1") = "8"
    & skf18("9","8","7","9","1","8","1") = "8"
    & skf18("9","8","7","9","1","9","1") = "8"
    & skf18("9","8","7","9","1","10","1") = "9"
    & skf18("9","8","7","9","2","1","1") = "8"
    & skf18("9","8","7","9","2","2","1") = "8"
    & skf18("9","8","7","9","2","3","1") = "8"
    & skf18("9","8","7","9","2","4","1") = "8"
    & skf18("9","8","7","9","2","5","1") = "8"
    & skf18("9","8","7","9","2","6","1") = "8"
    & skf18("9","8","7","9","2","7","1") = "8"
    & skf18("9","8","7","9","2","8","1") = "8"
    & skf18("9","8","7","9","2","9","1") = "8"
    & skf18("9","8","7","9","2","10","1") = "9"
    & skf18("9","8","7","9","3","1","1") = "8"
    & skf18("9","8","7","9","3","2","1") = "8"
    & skf18("9","8","7","9","3","3","1") = "8"
    & skf18("9","8","7","9","3","4","1") = "8"
    & skf18("9","8","7","9","3","5","1") = "8"
    & skf18("9","8","7","9","3","6","1") = "8"
    & skf18("9","8","7","9","3","7","1") = "8"
    & skf18("9","8","7","9","3","8","1") = "8"
    & skf18("9","8","7","9","3","9","1") = "8"
    & skf18("9","8","7","9","3","10","1") = "9"
    & skf18("9","8","7","9","4","1","1") = "8"
    & skf18("9","8","7","9","4","2","1") = "8"
    & skf18("9","8","7","9","4","3","1") = "8"
    & skf18("9","8","7","9","4","4","1") = "8"
    & skf18("9","8","7","9","4","5","1") = "8"
    & skf18("9","8","7","9","4","6","1") = "8"
    & skf18("9","8","7","9","4","7","1") = "8"
    & skf18("9","8","7","9","4","8","1") = "8"
    & skf18("9","8","7","9","4","9","1") = "8"
    & skf18("9","8","7","9","4","10","1") = "9"
    & skf18("9","8","7","9","5","1","1") = "8"
    & skf18("9","8","7","9","5","2","1") = "8"
    & skf18("9","8","7","9","5","3","1") = "8"
    & skf18("9","8","7","9","5","4","1") = "8"
    & skf18("9","8","7","9","5","5","1") = "8"
    & skf18("9","8","7","9","5","6","1") = "8"
    & skf18("9","8","7","9","5","7","1") = "8"
    & skf18("9","8","7","9","5","8","1") = "8"
    & skf18("9","8","7","9","5","9","1") = "8"
    & skf18("9","8","7","9","5","10","1") = "9"
    & skf18("9","8","7","9","6","1","1") = "8"
    & skf18("9","8","7","9","6","2","1") = "8"
    & skf18("9","8","7","9","6","3","1") = "8"
    & skf18("9","8","7","9","6","4","1") = "8"
    & skf18("9","8","7","9","6","5","1") = "8"
    & skf18("9","8","7","9","6","6","1") = "8"
    & skf18("9","8","7","9","6","7","1") = "8"
    & skf18("9","8","7","9","6","8","1") = "8"
    & skf18("9","8","7","9","6","9","1") = "8"
    & skf18("9","8","7","9","6","10","1") = "9"
    & skf18("9","8","7","9","7","1","1") = "8"
    & skf18("9","8","7","9","7","2","1") = "8"
    & skf18("9","8","7","9","7","3","1") = "8"
    & skf18("9","8","7","9","7","4","1") = "8"
    & skf18("9","8","7","9","7","5","1") = "8"
    & skf18("9","8","7","9","7","6","1") = "8"
    & skf18("9","8","7","9","7","7","1") = "8"
    & skf18("9","8","7","9","7","8","1") = "8"
    & skf18("9","8","7","9","7","9","1") = "8"
    & skf18("9","8","7","9","7","10","1") = "9"
    & skf18("9","8","7","9","8","1","1") = "8"
    & skf18("9","8","7","9","8","2","1") = "8"
    & skf18("9","8","7","9","8","3","1") = "8"
    & skf18("9","8","7","9","8","4","1") = "8"
    & skf18("9","8","7","9","8","5","1") = "8"
    & skf18("9","8","7","9","8","6","1") = "8"
    & skf18("9","8","7","9","8","7","1") = "8"
    & skf18("9","8","7","9","8","8","1") = "8"
    & skf18("9","8","7","9","8","9","1") = "8"
    & skf18("9","8","7","9","8","10","1") = "9"
    & skf18("9","8","7","9","9","1","1") = "8"
    & skf18("9","8","7","9","9","2","1") = "8"
    & skf18("9","8","7","9","9","3","1") = "8"
    & skf18("9","8","7","9","9","4","1") = "8"
    & skf18("9","8","7","9","9","5","1") = "8"
    & skf18("9","8","7","9","9","6","1") = "8"
    & skf18("9","8","7","9","9","7","1") = "8"
    & skf18("9","8","7","9","9","8","1") = "8"
    & skf18("9","8","7","9","9","9","1") = "8"
    & skf18("9","8","7","9","9","10","1") = "9"
    & skf18("9","8","7","9","10","1","1") = "9"
    & skf18("9","8","7","9","10","2","1") = "9"
    & skf18("9","8","7","9","10","3","1") = "9"
    & skf18("9","8","7","9","10","4","1") = "9"
    & skf18("9","8","7","9","10","5","1") = "9"
    & skf18("9","8","7","9","10","6","1") = "9"
    & skf18("9","8","7","9","10","7","1") = "9"
    & skf18("9","8","7","9","10","8","1") = "9"
    & skf18("9","8","7","9","10","9","1") = "9"
    & skf18("9","8","7","9","10","10","1") = "9"
    & skf18("9","8","7","10","1","1","1") = "9"
    & skf18("9","8","7","10","1","2","1") = "9"
    & skf18("9","8","7","10","1","3","1") = "9"
    & skf18("9","8","7","10","1","4","1") = "9"
    & skf18("9","8","7","10","1","5","1") = "9"
    & skf18("9","8","7","10","1","6","1") = "9"
    & skf18("9","8","7","10","1","7","1") = "9"
    & skf18("9","8","7","10","1","8","1") = "9"
    & skf18("9","8","7","10","1","9","1") = "9"
    & skf18("9","8","7","10","1","10","1") = "9"
    & skf18("9","8","7","10","2","1","1") = "9"
    & skf18("9","8","7","10","2","2","1") = "9"
    & skf18("9","8","7","10","2","3","1") = "9"
    & skf18("9","8","7","10","2","4","1") = "9"
    & skf18("9","8","7","10","2","5","1") = "9"
    & skf18("9","8","7","10","2","6","1") = "9"
    & skf18("9","8","7","10","2","7","1") = "9"
    & skf18("9","8","7","10","2","8","1") = "9"
    & skf18("9","8","7","10","2","9","1") = "9"
    & skf18("9","8","7","10","2","10","1") = "9"
    & skf18("9","8","7","10","3","1","1") = "9"
    & skf18("9","8","7","10","3","2","1") = "9"
    & skf18("9","8","7","10","3","3","1") = "9"
    & skf18("9","8","7","10","3","4","1") = "9"
    & skf18("9","8","7","10","3","5","1") = "9"
    & skf18("9","8","7","10","3","6","1") = "9"
    & skf18("9","8","7","10","3","7","1") = "9"
    & skf18("9","8","7","10","3","8","1") = "9"
    & skf18("9","8","7","10","3","9","1") = "9"
    & skf18("9","8","7","10","3","10","1") = "9"
    & skf18("9","8","7","10","4","1","1") = "9"
    & skf18("9","8","7","10","4","2","1") = "9"
    & skf18("9","8","7","10","4","3","1") = "9"
    & skf18("9","8","7","10","4","4","1") = "9"
    & skf18("9","8","7","10","4","5","1") = "9"
    & skf18("9","8","7","10","4","6","1") = "9"
    & skf18("9","8","7","10","4","7","1") = "9"
    & skf18("9","8","7","10","4","8","1") = "9"
    & skf18("9","8","7","10","4","9","1") = "9"
    & skf18("9","8","7","10","4","10","1") = "9"
    & skf18("9","8","7","10","5","1","1") = "9"
    & skf18("9","8","7","10","5","2","1") = "9"
    & skf18("9","8","7","10","5","3","1") = "9"
    & skf18("9","8","7","10","5","4","1") = "9"
    & skf18("9","8","7","10","5","5","1") = "9"
    & skf18("9","8","7","10","5","6","1") = "9"
    & skf18("9","8","7","10","5","7","1") = "9"
    & skf18("9","8","7","10","5","8","1") = "9"
    & skf18("9","8","7","10","5","9","1") = "9"
    & skf18("9","8","7","10","5","10","1") = "9"
    & skf18("9","8","7","10","6","1","1") = "9"
    & skf18("9","8","7","10","6","2","1") = "9"
    & skf18("9","8","7","10","6","3","1") = "9"
    & skf18("9","8","7","10","6","4","1") = "9"
    & skf18("9","8","7","10","6","5","1") = "9"
    & skf18("9","8","7","10","6","6","1") = "9"
    & skf18("9","8","7","10","6","7","1") = "9"
    & skf18("9","8","7","10","6","8","1") = "9"
    & skf18("9","8","7","10","6","9","1") = "9"
    & skf18("9","8","7","10","6","10","1") = "9"
    & skf18("9","8","7","10","7","1","1") = "9"
    & skf18("9","8","7","10","7","2","1") = "9"
    & skf18("9","8","7","10","7","3","1") = "9"
    & skf18("9","8","7","10","7","4","1") = "9"
    & skf18("9","8","7","10","7","5","1") = "9"
    & skf18("9","8","7","10","7","6","1") = "9"
    & skf18("9","8","7","10","7","7","1") = "9"
    & skf18("9","8","7","10","7","8","1") = "9"
    & skf18("9","8","7","10","7","9","1") = "9"
    & skf18("9","8","7","10","7","10","1") = "9"
    & skf18("9","8","7","10","8","1","1") = "9"
    & skf18("9","8","7","10","8","2","1") = "9"
    & skf18("9","8","7","10","8","3","1") = "9"
    & skf18("9","8","7","10","8","4","1") = "9"
    & skf18("9","8","7","10","8","5","1") = "9"
    & skf18("9","8","7","10","8","6","1") = "9"
    & skf18("9","8","7","10","8","7","1") = "9"
    & skf18("9","8","7","10","8","8","1") = "9"
    & skf18("9","8","7","10","8","9","1") = "9"
    & skf18("9","8","7","10","8","10","1") = "9"
    & skf18("9","8","7","10","9","1","1") = "9"
    & skf18("9","8","7","10","9","2","1") = "9"
    & skf18("9","8","7","10","9","3","1") = "9"
    & skf18("9","8","7","10","9","4","1") = "9"
    & skf18("9","8","7","10","9","5","1") = "9"
    & skf18("9","8","7","10","9","6","1") = "9"
    & skf18("9","8","7","10","9","7","1") = "9"
    & skf18("9","8","7","10","9","8","1") = "9"
    & skf18("9","8","7","10","9","9","1") = "9"
    & skf18("9","8","7","10","9","10","1") = "9"
    & skf18("9","8","7","10","10","1","1") = "9"
    & skf18("9","8","7","10","10","2","1") = "9"
    & skf18("9","8","7","10","10","3","1") = "9"
    & skf18("9","8","7","10","10","4","1") = "9"
    & skf18("9","8","7","10","10","5","1") = "9"
    & skf18("9","8","7","10","10","6","1") = "9"
    & skf18("9","8","7","10","10","7","1") = "9"
    & skf18("9","8","7","10","10","8","1") = "9"
    & skf18("9","8","7","10","10","9","1") = "9"
    & skf18("9","8","7","10","10","10","1") = "9"
    & skf18("9","8","8","1","1","1","1") = "8"
    & skf18("9","8","8","1","1","2","1") = "8"
    & skf18("9","8","8","1","1","3","1") = "8"
    & skf18("9","8","8","1","1","4","1") = "8"
    & skf18("9","8","8","1","1","5","1") = "8"
    & skf18("9","8","8","1","1","6","1") = "8"
    & skf18("9","8","8","1","1","7","1") = "8"
    & skf18("9","8","8","1","1","8","1") = "8"
    & skf18("9","8","8","1","1","9","1") = "8"
    & skf18("9","8","8","1","1","10","1") = "9"
    & skf18("9","8","8","1","2","1","1") = "8"
    & skf18("9","8","8","1","2","2","1") = "8"
    & skf18("9","8","8","1","2","3","1") = "8"
    & skf18("9","8","8","1","2","4","1") = "8"
    & skf18("9","8","8","1","2","5","1") = "8"
    & skf18("9","8","8","1","2","6","1") = "8"
    & skf18("9","8","8","1","2","7","1") = "8"
    & skf18("9","8","8","1","2","8","1") = "8"
    & skf18("9","8","8","1","2","9","1") = "8"
    & skf18("9","8","8","1","2","10","1") = "9"
    & skf18("9","8","8","1","3","1","1") = "8"
    & skf18("9","8","8","1","3","2","1") = "8"
    & skf18("9","8","8","1","3","3","1") = "8"
    & skf18("9","8","8","1","3","4","1") = "8"
    & skf18("9","8","8","1","3","5","1") = "8"
    & skf18("9","8","8","1","3","6","1") = "8"
    & skf18("9","8","8","1","3","7","1") = "8"
    & skf18("9","8","8","1","3","8","1") = "8"
    & skf18("9","8","8","1","3","9","1") = "8"
    & skf18("9","8","8","1","3","10","1") = "9"
    & skf18("9","8","8","1","4","1","1") = "8"
    & skf18("9","8","8","1","4","2","1") = "8"
    & skf18("9","8","8","1","4","3","1") = "8"
    & skf18("9","8","8","1","4","4","1") = "8"
    & skf18("9","8","8","1","4","5","1") = "8"
    & skf18("9","8","8","1","4","6","1") = "8"
    & skf18("9","8","8","1","4","7","1") = "8"
    & skf18("9","8","8","1","4","8","1") = "8"
    & skf18("9","8","8","1","4","9","1") = "8"
    & skf18("9","8","8","1","4","10","1") = "9"
    & skf18("9","8","8","1","5","1","1") = "8"
    & skf18("9","8","8","1","5","2","1") = "8"
    & skf18("9","8","8","1","5","3","1") = "8"
    & skf18("9","8","8","1","5","4","1") = "8"
    & skf18("9","8","8","1","5","5","1") = "8"
    & skf18("9","8","8","1","5","6","1") = "8"
    & skf18("9","8","8","1","5","7","1") = "8"
    & skf18("9","8","8","1","5","8","1") = "8"
    & skf18("9","8","8","1","5","9","1") = "8"
    & skf18("9","8","8","1","5","10","1") = "9"
    & skf18("9","8","8","1","6","1","1") = "8"
    & skf18("9","8","8","1","6","2","1") = "8"
    & skf18("9","8","8","1","6","3","1") = "8"
    & skf18("9","8","8","1","6","4","1") = "8"
    & skf18("9","8","8","1","6","5","1") = "8"
    & skf18("9","8","8","1","6","6","1") = "8"
    & skf18("9","8","8","1","6","7","1") = "8"
    & skf18("9","8","8","1","6","8","1") = "8"
    & skf18("9","8","8","1","6","9","1") = "8"
    & skf18("9","8","8","1","6","10","1") = "9"
    & skf18("9","8","8","1","7","1","1") = "8"
    & skf18("9","8","8","1","7","2","1") = "8"
    & skf18("9","8","8","1","7","3","1") = "8"
    & skf18("9","8","8","1","7","4","1") = "8"
    & skf18("9","8","8","1","7","5","1") = "8"
    & skf18("9","8","8","1","7","6","1") = "8"
    & skf18("9","8","8","1","7","7","1") = "8"
    & skf18("9","8","8","1","7","8","1") = "8"
    & skf18("9","8","8","1","7","9","1") = "8"
    & skf18("9","8","8","1","7","10","1") = "9"
    & skf18("9","8","8","1","8","1","1") = "8"
    & skf18("9","8","8","1","8","2","1") = "8"
    & skf18("9","8","8","1","8","3","1") = "8"
    & skf18("9","8","8","1","8","4","1") = "8"
    & skf18("9","8","8","1","8","5","1") = "8"
    & skf18("9","8","8","1","8","6","1") = "8"
    & skf18("9","8","8","1","8","7","1") = "8"
    & skf18("9","8","8","1","8","8","1") = "8"
    & skf18("9","8","8","1","8","9","1") = "8"
    & skf18("9","8","8","1","8","10","1") = "9"
    & skf18("9","8","8","1","9","1","1") = "8"
    & skf18("9","8","8","1","9","2","1") = "8"
    & skf18("9","8","8","1","9","3","1") = "8"
    & skf18("9","8","8","1","9","4","1") = "8"
    & skf18("9","8","8","1","9","5","1") = "8"
    & skf18("9","8","8","1","9","6","1") = "8"
    & skf18("9","8","8","1","9","7","1") = "8"
    & skf18("9","8","8","1","9","8","1") = "8"
    & skf18("9","8","8","1","9","9","1") = "8"
    & skf18("9","8","8","1","9","10","1") = "9"
    & skf18("9","8","8","1","10","1","1") = "9"
    & skf18("9","8","8","1","10","2","1") = "9"
    & skf18("9","8","8","1","10","3","1") = "9"
    & skf18("9","8","8","1","10","4","1") = "9"
    & skf18("9","8","8","1","10","5","1") = "9"
    & skf18("9","8","8","1","10","6","1") = "9"
    & skf18("9","8","8","1","10","7","1") = "9"
    & skf18("9","8","8","1","10","8","1") = "9"
    & skf18("9","8","8","1","10","9","1") = "9"
    & skf18("9","8","8","1","10","10","1") = "9"
    & skf18("9","8","8","2","1","1","1") = "8"
    & skf18("9","8","8","2","1","2","1") = "8"
    & skf18("9","8","8","2","1","3","1") = "8"
    & skf18("9","8","8","2","1","4","1") = "8"
    & skf18("9","8","8","2","1","5","1") = "8"
    & skf18("9","8","8","2","1","6","1") = "8"
    & skf18("9","8","8","2","1","7","1") = "8"
    & skf18("9","8","8","2","1","8","1") = "8"
    & skf18("9","8","8","2","1","9","1") = "8"
    & skf18("9","8","8","2","1","10","1") = "9"
    & skf18("9","8","8","2","2","1","1") = "8"
    & skf18("9","8","8","2","2","2","1") = "8"
    & skf18("9","8","8","2","2","3","1") = "8"
    & skf18("9","8","8","2","2","4","1") = "8"
    & skf18("9","8","8","2","2","5","1") = "8"
    & skf18("9","8","8","2","2","6","1") = "8"
    & skf18("9","8","8","2","2","7","1") = "8"
    & skf18("9","8","8","2","2","8","1") = "8"
    & skf18("9","8","8","2","2","9","1") = "8"
    & skf18("9","8","8","2","2","10","1") = "9"
    & skf18("9","8","8","2","3","1","1") = "8"
    & skf18("9","8","8","2","3","2","1") = "8"
    & skf18("9","8","8","2","3","3","1") = "8"
    & skf18("9","8","8","2","3","4","1") = "8"
    & skf18("9","8","8","2","3","5","1") = "8"
    & skf18("9","8","8","2","3","6","1") = "8"
    & skf18("9","8","8","2","3","7","1") = "8"
    & skf18("9","8","8","2","3","8","1") = "8"
    & skf18("9","8","8","2","3","9","1") = "8"
    & skf18("9","8","8","2","3","10","1") = "9"
    & skf18("9","8","8","2","4","1","1") = "8"
    & skf18("9","8","8","2","4","2","1") = "8"
    & skf18("9","8","8","2","4","3","1") = "8"
    & skf18("9","8","8","2","4","4","1") = "8"
    & skf18("9","8","8","2","4","5","1") = "8"
    & skf18("9","8","8","2","4","6","1") = "8"
    & skf18("9","8","8","2","4","7","1") = "8"
    & skf18("9","8","8","2","4","8","1") = "8"
    & skf18("9","8","8","2","4","9","1") = "8"
    & skf18("9","8","8","2","4","10","1") = "9"
    & skf18("9","8","8","2","5","1","1") = "8"
    & skf18("9","8","8","2","5","2","1") = "8"
    & skf18("9","8","8","2","5","3","1") = "8"
    & skf18("9","8","8","2","5","4","1") = "8"
    & skf18("9","8","8","2","5","5","1") = "8"
    & skf18("9","8","8","2","5","6","1") = "8"
    & skf18("9","8","8","2","5","7","1") = "8"
    & skf18("9","8","8","2","5","8","1") = "8"
    & skf18("9","8","8","2","5","9","1") = "8"
    & skf18("9","8","8","2","5","10","1") = "9"
    & skf18("9","8","8","2","6","1","1") = "8"
    & skf18("9","8","8","2","6","2","1") = "8"
    & skf18("9","8","8","2","6","3","1") = "8"
    & skf18("9","8","8","2","6","4","1") = "8"
    & skf18("9","8","8","2","6","5","1") = "8"
    & skf18("9","8","8","2","6","6","1") = "8"
    & skf18("9","8","8","2","6","7","1") = "8"
    & skf18("9","8","8","2","6","8","1") = "8"
    & skf18("9","8","8","2","6","9","1") = "8"
    & skf18("9","8","8","2","6","10","1") = "9"
    & skf18("9","8","8","2","7","1","1") = "8"
    & skf18("9","8","8","2","7","2","1") = "8"
    & skf18("9","8","8","2","7","3","1") = "8"
    & skf18("9","8","8","2","7","4","1") = "8"
    & skf18("9","8","8","2","7","5","1") = "8"
    & skf18("9","8","8","2","7","6","1") = "8"
    & skf18("9","8","8","2","7","7","1") = "8"
    & skf18("9","8","8","2","7","8","1") = "8"
    & skf18("9","8","8","2","7","9","1") = "8"
    & skf18("9","8","8","2","7","10","1") = "9"
    & skf18("9","8","8","2","8","1","1") = "8"
    & skf18("9","8","8","2","8","2","1") = "8"
    & skf18("9","8","8","2","8","3","1") = "8"
    & skf18("9","8","8","2","8","4","1") = "8"
    & skf18("9","8","8","2","8","5","1") = "8"
    & skf18("9","8","8","2","8","6","1") = "8"
    & skf18("9","8","8","2","8","7","1") = "8"
    & skf18("9","8","8","2","8","8","1") = "8"
    & skf18("9","8","8","2","8","9","1") = "8"
    & skf18("9","8","8","2","8","10","1") = "9"
    & skf18("9","8","8","2","9","1","1") = "8"
    & skf18("9","8","8","2","9","2","1") = "8"
    & skf18("9","8","8","2","9","3","1") = "8"
    & skf18("9","8","8","2","9","4","1") = "8"
    & skf18("9","8","8","2","9","5","1") = "8"
    & skf18("9","8","8","2","9","6","1") = "8"
    & skf18("9","8","8","2","9","7","1") = "8"
    & skf18("9","8","8","2","9","8","1") = "8"
    & skf18("9","8","8","2","9","9","1") = "8"
    & skf18("9","8","8","2","9","10","1") = "9"
    & skf18("9","8","8","2","10","1","1") = "9"
    & skf18("9","8","8","2","10","2","1") = "9"
    & skf18("9","8","8","2","10","3","1") = "9"
    & skf18("9","8","8","2","10","4","1") = "9"
    & skf18("9","8","8","2","10","5","1") = "9"
    & skf18("9","8","8","2","10","6","1") = "9"
    & skf18("9","8","8","2","10","7","1") = "9"
    & skf18("9","8","8","2","10","8","1") = "9"
    & skf18("9","8","8","2","10","9","1") = "9"
    & skf18("9","8","8","2","10","10","1") = "9"
    & skf18("9","8","8","3","1","1","1") = "8"
    & skf18("9","8","8","3","1","2","1") = "8"
    & skf18("9","8","8","3","1","3","1") = "8"
    & skf18("9","8","8","3","1","4","1") = "8"
    & skf18("9","8","8","3","1","5","1") = "8"
    & skf18("9","8","8","3","1","6","1") = "8"
    & skf18("9","8","8","3","1","7","1") = "8"
    & skf18("9","8","8","3","1","8","1") = "8"
    & skf18("9","8","8","3","1","9","1") = "8"
    & skf18("9","8","8","3","1","10","1") = "9"
    & skf18("9","8","8","3","2","1","1") = "8"
    & skf18("9","8","8","3","2","2","1") = "8"
    & skf18("9","8","8","3","2","3","1") = "8"
    & skf18("9","8","8","3","2","4","1") = "8"
    & skf18("9","8","8","3","2","5","1") = "8"
    & skf18("9","8","8","3","2","6","1") = "8"
    & skf18("9","8","8","3","2","7","1") = "8"
    & skf18("9","8","8","3","2","8","1") = "8"
    & skf18("9","8","8","3","2","9","1") = "8"
    & skf18("9","8","8","3","2","10","1") = "9"
    & skf18("9","8","8","3","3","1","1") = "8"
    & skf18("9","8","8","3","3","2","1") = "8"
    & skf18("9","8","8","3","3","3","1") = "8"
    & skf18("9","8","8","3","3","4","1") = "8"
    & skf18("9","8","8","3","3","5","1") = "8"
    & skf18("9","8","8","3","3","6","1") = "8"
    & skf18("9","8","8","3","3","7","1") = "8"
    & skf18("9","8","8","3","3","8","1") = "8"
    & skf18("9","8","8","3","3","9","1") = "8"
    & skf18("9","8","8","3","3","10","1") = "9"
    & skf18("9","8","8","3","4","1","1") = "8"
    & skf18("9","8","8","3","4","2","1") = "8"
    & skf18("9","8","8","3","4","3","1") = "8"
    & skf18("9","8","8","3","4","4","1") = "8"
    & skf18("9","8","8","3","4","5","1") = "8"
    & skf18("9","8","8","3","4","6","1") = "8"
    & skf18("9","8","8","3","4","7","1") = "8"
    & skf18("9","8","8","3","4","8","1") = "8"
    & skf18("9","8","8","3","4","9","1") = "8"
    & skf18("9","8","8","3","4","10","1") = "9"
    & skf18("9","8","8","3","5","1","1") = "8"
    & skf18("9","8","8","3","5","2","1") = "8"
    & skf18("9","8","8","3","5","3","1") = "8"
    & skf18("9","8","8","3","5","4","1") = "8"
    & skf18("9","8","8","3","5","5","1") = "8"
    & skf18("9","8","8","3","5","6","1") = "8"
    & skf18("9","8","8","3","5","7","1") = "8"
    & skf18("9","8","8","3","5","8","1") = "8"
    & skf18("9","8","8","3","5","9","1") = "8"
    & skf18("9","8","8","3","5","10","1") = "9"
    & skf18("9","8","8","3","6","1","1") = "8"
    & skf18("9","8","8","3","6","2","1") = "8"
    & skf18("9","8","8","3","6","3","1") = "8"
    & skf18("9","8","8","3","6","4","1") = "8"
    & skf18("9","8","8","3","6","5","1") = "8"
    & skf18("9","8","8","3","6","6","1") = "8"
    & skf18("9","8","8","3","6","7","1") = "8"
    & skf18("9","8","8","3","6","8","1") = "8"
    & skf18("9","8","8","3","6","9","1") = "8"
    & skf18("9","8","8","3","6","10","1") = "9"
    & skf18("9","8","8","3","7","1","1") = "8"
    & skf18("9","8","8","3","7","2","1") = "8"
    & skf18("9","8","8","3","7","3","1") = "8"
    & skf18("9","8","8","3","7","4","1") = "8"
    & skf18("9","8","8","3","7","5","1") = "8"
    & skf18("9","8","8","3","7","6","1") = "8"
    & skf18("9","8","8","3","7","7","1") = "8"
    & skf18("9","8","8","3","7","8","1") = "8"
    & skf18("9","8","8","3","7","9","1") = "8"
    & skf18("9","8","8","3","7","10","1") = "9"
    & skf18("9","8","8","3","8","1","1") = "8"
    & skf18("9","8","8","3","8","2","1") = "8"
    & skf18("9","8","8","3","8","3","1") = "8"
    & skf18("9","8","8","3","8","4","1") = "8"
    & skf18("9","8","8","3","8","5","1") = "8"
    & skf18("9","8","8","3","8","6","1") = "8"
    & skf18("9","8","8","3","8","7","1") = "8"
    & skf18("9","8","8","3","8","8","1") = "8"
    & skf18("9","8","8","3","8","9","1") = "8"
    & skf18("9","8","8","3","8","10","1") = "9"
    & skf18("9","8","8","3","9","1","1") = "8"
    & skf18("9","8","8","3","9","2","1") = "8"
    & skf18("9","8","8","3","9","3","1") = "8"
    & skf18("9","8","8","3","9","4","1") = "8"
    & skf18("9","8","8","3","9","5","1") = "8"
    & skf18("9","8","8","3","9","6","1") = "8"
    & skf18("9","8","8","3","9","7","1") = "8"
    & skf18("9","8","8","3","9","8","1") = "8"
    & skf18("9","8","8","3","9","9","1") = "8"
    & skf18("9","8","8","3","9","10","1") = "9"
    & skf18("9","8","8","3","10","1","1") = "9"
    & skf18("9","8","8","3","10","2","1") = "9"
    & skf18("9","8","8","3","10","3","1") = "9"
    & skf18("9","8","8","3","10","4","1") = "9"
    & skf18("9","8","8","3","10","5","1") = "9"
    & skf18("9","8","8","3","10","6","1") = "9"
    & skf18("9","8","8","3","10","7","1") = "9"
    & skf18("9","8","8","3","10","8","1") = "9"
    & skf18("9","8","8","3","10","9","1") = "9"
    & skf18("9","8","8","3","10","10","1") = "9"
    & skf18("9","8","8","4","1","1","1") = "8"
    & skf18("9","8","8","4","1","2","1") = "8"
    & skf18("9","8","8","4","1","3","1") = "8"
    & skf18("9","8","8","4","1","4","1") = "8"
    & skf18("9","8","8","4","1","5","1") = "8"
    & skf18("9","8","8","4","1","6","1") = "8"
    & skf18("9","8","8","4","1","7","1") = "8"
    & skf18("9","8","8","4","1","8","1") = "8"
    & skf18("9","8","8","4","1","9","1") = "8"
    & skf18("9","8","8","4","1","10","1") = "9"
    & skf18("9","8","8","4","2","1","1") = "8"
    & skf18("9","8","8","4","2","2","1") = "8"
    & skf18("9","8","8","4","2","3","1") = "8"
    & skf18("9","8","8","4","2","4","1") = "8"
    & skf18("9","8","8","4","2","5","1") = "8"
    & skf18("9","8","8","4","2","6","1") = "8"
    & skf18("9","8","8","4","2","7","1") = "8"
    & skf18("9","8","8","4","2","8","1") = "8"
    & skf18("9","8","8","4","2","9","1") = "8"
    & skf18("9","8","8","4","2","10","1") = "9"
    & skf18("9","8","8","4","3","1","1") = "8"
    & skf18("9","8","8","4","3","2","1") = "8"
    & skf18("9","8","8","4","3","3","1") = "8"
    & skf18("9","8","8","4","3","4","1") = "8"
    & skf18("9","8","8","4","3","5","1") = "8"
    & skf18("9","8","8","4","3","6","1") = "8"
    & skf18("9","8","8","4","3","7","1") = "8"
    & skf18("9","8","8","4","3","8","1") = "8"
    & skf18("9","8","8","4","3","9","1") = "8"
    & skf18("9","8","8","4","3","10","1") = "9"
    & skf18("9","8","8","4","4","1","1") = "8"
    & skf18("9","8","8","4","4","2","1") = "8"
    & skf18("9","8","8","4","4","3","1") = "8"
    & skf18("9","8","8","4","4","4","1") = "8"
    & skf18("9","8","8","4","4","5","1") = "8"
    & skf18("9","8","8","4","4","6","1") = "8"
    & skf18("9","8","8","4","4","7","1") = "8"
    & skf18("9","8","8","4","4","8","1") = "8"
    & skf18("9","8","8","4","4","9","1") = "8"
    & skf18("9","8","8","4","4","10","1") = "9"
    & skf18("9","8","8","4","5","1","1") = "8"
    & skf18("9","8","8","4","5","2","1") = "8"
    & skf18("9","8","8","4","5","3","1") = "8"
    & skf18("9","8","8","4","5","4","1") = "8"
    & skf18("9","8","8","4","5","5","1") = "8"
    & skf18("9","8","8","4","5","6","1") = "8"
    & skf18("9","8","8","4","5","7","1") = "8"
    & skf18("9","8","8","4","5","8","1") = "8"
    & skf18("9","8","8","4","5","9","1") = "8"
    & skf18("9","8","8","4","5","10","1") = "9"
    & skf18("9","8","8","4","6","1","1") = "8"
    & skf18("9","8","8","4","6","2","1") = "8"
    & skf18("9","8","8","4","6","3","1") = "8"
    & skf18("9","8","8","4","6","4","1") = "8"
    & skf18("9","8","8","4","6","5","1") = "8"
    & skf18("9","8","8","4","6","6","1") = "8"
    & skf18("9","8","8","4","6","7","1") = "8"
    & skf18("9","8","8","4","6","8","1") = "8"
    & skf18("9","8","8","4","6","9","1") = "8"
    & skf18("9","8","8","4","6","10","1") = "9"
    & skf18("9","8","8","4","7","1","1") = "8"
    & skf18("9","8","8","4","7","2","1") = "8"
    & skf18("9","8","8","4","7","3","1") = "8"
    & skf18("9","8","8","4","7","4","1") = "8"
    & skf18("9","8","8","4","7","5","1") = "8"
    & skf18("9","8","8","4","7","6","1") = "8"
    & skf18("9","8","8","4","7","7","1") = "8"
    & skf18("9","8","8","4","7","8","1") = "8"
    & skf18("9","8","8","4","7","9","1") = "8"
    & skf18("9","8","8","4","7","10","1") = "9"
    & skf18("9","8","8","4","8","1","1") = "8"
    & skf18("9","8","8","4","8","2","1") = "8"
    & skf18("9","8","8","4","8","3","1") = "8"
    & skf18("9","8","8","4","8","4","1") = "8"
    & skf18("9","8","8","4","8","5","1") = "8"
    & skf18("9","8","8","4","8","6","1") = "8"
    & skf18("9","8","8","4","8","7","1") = "8"
    & skf18("9","8","8","4","8","8","1") = "8"
    & skf18("9","8","8","4","8","9","1") = "8"
    & skf18("9","8","8","4","8","10","1") = "9"
    & skf18("9","8","8","4","9","1","1") = "8"
    & skf18("9","8","8","4","9","2","1") = "8"
    & skf18("9","8","8","4","9","3","1") = "8"
    & skf18("9","8","8","4","9","4","1") = "8"
    & skf18("9","8","8","4","9","5","1") = "8"
    & skf18("9","8","8","4","9","6","1") = "8"
    & skf18("9","8","8","4","9","7","1") = "8"
    & skf18("9","8","8","4","9","8","1") = "8"
    & skf18("9","8","8","4","9","9","1") = "8"
    & skf18("9","8","8","4","9","10","1") = "9"
    & skf18("9","8","8","4","10","1","1") = "9"
    & skf18("9","8","8","4","10","2","1") = "9"
    & skf18("9","8","8","4","10","3","1") = "9"
    & skf18("9","8","8","4","10","4","1") = "9"
    & skf18("9","8","8","4","10","5","1") = "9"
    & skf18("9","8","8","4","10","6","1") = "9"
    & skf18("9","8","8","4","10","7","1") = "9"
    & skf18("9","8","8","4","10","8","1") = "9"
    & skf18("9","8","8","4","10","9","1") = "9"
    & skf18("9","8","8","4","10","10","1") = "9"
    & skf18("9","8","8","5","1","1","1") = "8"
    & skf18("9","8","8","5","1","2","1") = "8"
    & skf18("9","8","8","5","1","3","1") = "8"
    & skf18("9","8","8","5","1","4","1") = "8"
    & skf18("9","8","8","5","1","5","1") = "8"
    & skf18("9","8","8","5","1","6","1") = "8"
    & skf18("9","8","8","5","1","7","1") = "8"
    & skf18("9","8","8","5","1","8","1") = "8"
    & skf18("9","8","8","5","1","9","1") = "8"
    & skf18("9","8","8","5","1","10","1") = "9"
    & skf18("9","8","8","5","2","1","1") = "8"
    & skf18("9","8","8","5","2","2","1") = "8"
    & skf18("9","8","8","5","2","3","1") = "8"
    & skf18("9","8","8","5","2","4","1") = "8"
    & skf18("9","8","8","5","2","5","1") = "8"
    & skf18("9","8","8","5","2","6","1") = "8"
    & skf18("9","8","8","5","2","7","1") = "8"
    & skf18("9","8","8","5","2","8","1") = "8"
    & skf18("9","8","8","5","2","9","1") = "8"
    & skf18("9","8","8","5","2","10","1") = "9"
    & skf18("9","8","8","5","3","1","1") = "8"
    & skf18("9","8","8","5","3","2","1") = "8"
    & skf18("9","8","8","5","3","3","1") = "8"
    & skf18("9","8","8","5","3","4","1") = "8"
    & skf18("9","8","8","5","3","5","1") = "8"
    & skf18("9","8","8","5","3","6","1") = "8"
    & skf18("9","8","8","5","3","7","1") = "8"
    & skf18("9","8","8","5","3","8","1") = "8"
    & skf18("9","8","8","5","3","9","1") = "8"
    & skf18("9","8","8","5","3","10","1") = "9"
    & skf18("9","8","8","5","4","1","1") = "8"
    & skf18("9","8","8","5","4","2","1") = "8"
    & skf18("9","8","8","5","4","3","1") = "8"
    & skf18("9","8","8","5","4","4","1") = "8"
    & skf18("9","8","8","5","4","5","1") = "8"
    & skf18("9","8","8","5","4","6","1") = "8"
    & skf18("9","8","8","5","4","7","1") = "8"
    & skf18("9","8","8","5","4","8","1") = "8"
    & skf18("9","8","8","5","4","9","1") = "8"
    & skf18("9","8","8","5","4","10","1") = "9"
    & skf18("9","8","8","5","5","1","1") = "8"
    & skf18("9","8","8","5","5","2","1") = "8"
    & skf18("9","8","8","5","5","3","1") = "8"
    & skf18("9","8","8","5","5","4","1") = "8"
    & skf18("9","8","8","5","5","5","1") = "8"
    & skf18("9","8","8","5","5","6","1") = "8"
    & skf18("9","8","8","5","5","7","1") = "8"
    & skf18("9","8","8","5","5","8","1") = "8"
    & skf18("9","8","8","5","5","9","1") = "8"
    & skf18("9","8","8","5","5","10","1") = "9"
    & skf18("9","8","8","5","6","1","1") = "8"
    & skf18("9","8","8","5","6","2","1") = "8"
    & skf18("9","8","8","5","6","3","1") = "8"
    & skf18("9","8","8","5","6","4","1") = "8"
    & skf18("9","8","8","5","6","5","1") = "8"
    & skf18("9","8","8","5","6","6","1") = "8"
    & skf18("9","8","8","5","6","7","1") = "8"
    & skf18("9","8","8","5","6","8","1") = "8"
    & skf18("9","8","8","5","6","9","1") = "8"
    & skf18("9","8","8","5","6","10","1") = "9"
    & skf18("9","8","8","5","7","1","1") = "8"
    & skf18("9","8","8","5","7","2","1") = "8"
    & skf18("9","8","8","5","7","3","1") = "8"
    & skf18("9","8","8","5","7","4","1") = "8"
    & skf18("9","8","8","5","7","5","1") = "8"
    & skf18("9","8","8","5","7","6","1") = "8"
    & skf18("9","8","8","5","7","7","1") = "8"
    & skf18("9","8","8","5","7","8","1") = "8"
    & skf18("9","8","8","5","7","9","1") = "8"
    & skf18("9","8","8","5","7","10","1") = "9"
    & skf18("9","8","8","5","8","1","1") = "8"
    & skf18("9","8","8","5","8","2","1") = "8"
    & skf18("9","8","8","5","8","3","1") = "8"
    & skf18("9","8","8","5","8","4","1") = "8"
    & skf18("9","8","8","5","8","5","1") = "8"
    & skf18("9","8","8","5","8","6","1") = "8"
    & skf18("9","8","8","5","8","7","1") = "8"
    & skf18("9","8","8","5","8","8","1") = "8"
    & skf18("9","8","8","5","8","9","1") = "8"
    & skf18("9","8","8","5","8","10","1") = "9"
    & skf18("9","8","8","5","9","1","1") = "8"
    & skf18("9","8","8","5","9","2","1") = "8"
    & skf18("9","8","8","5","9","3","1") = "8"
    & skf18("9","8","8","5","9","4","1") = "8"
    & skf18("9","8","8","5","9","5","1") = "8"
    & skf18("9","8","8","5","9","6","1") = "8"
    & skf18("9","8","8","5","9","7","1") = "8"
    & skf18("9","8","8","5","9","8","1") = "8"
    & skf18("9","8","8","5","9","9","1") = "8"
    & skf18("9","8","8","5","9","10","1") = "9"
    & skf18("9","8","8","5","10","1","1") = "9"
    & skf18("9","8","8","5","10","2","1") = "9"
    & skf18("9","8","8","5","10","3","1") = "9"
    & skf18("9","8","8","5","10","4","1") = "9"
    & skf18("9","8","8","5","10","5","1") = "9"
    & skf18("9","8","8","5","10","6","1") = "9"
    & skf18("9","8","8","5","10","7","1") = "9"
    & skf18("9","8","8","5","10","8","1") = "9"
    & skf18("9","8","8","5","10","9","1") = "9"
    & skf18("9","8","8","5","10","10","1") = "9"
    & skf18("9","8","8","6","1","1","1") = "8"
    & skf18("9","8","8","6","1","2","1") = "8"
    & skf18("9","8","8","6","1","3","1") = "8"
    & skf18("9","8","8","6","1","4","1") = "8"
    & skf18("9","8","8","6","1","5","1") = "8"
    & skf18("9","8","8","6","1","6","1") = "8"
    & skf18("9","8","8","6","1","7","1") = "8"
    & skf18("9","8","8","6","1","8","1") = "8"
    & skf18("9","8","8","6","1","9","1") = "8"
    & skf18("9","8","8","6","1","10","1") = "9"
    & skf18("9","8","8","6","2","1","1") = "8"
    & skf18("9","8","8","6","2","2","1") = "8"
    & skf18("9","8","8","6","2","3","1") = "8"
    & skf18("9","8","8","6","2","4","1") = "8"
    & skf18("9","8","8","6","2","5","1") = "8"
    & skf18("9","8","8","6","2","6","1") = "8"
    & skf18("9","8","8","6","2","7","1") = "8"
    & skf18("9","8","8","6","2","8","1") = "8"
    & skf18("9","8","8","6","2","9","1") = "8"
    & skf18("9","8","8","6","2","10","1") = "9"
    & skf18("9","8","8","6","3","1","1") = "8"
    & skf18("9","8","8","6","3","2","1") = "8"
    & skf18("9","8","8","6","3","3","1") = "8"
    & skf18("9","8","8","6","3","4","1") = "8"
    & skf18("9","8","8","6","3","5","1") = "8"
    & skf18("9","8","8","6","3","6","1") = "8"
    & skf18("9","8","8","6","3","7","1") = "8"
    & skf18("9","8","8","6","3","8","1") = "8"
    & skf18("9","8","8","6","3","9","1") = "8"
    & skf18("9","8","8","6","3","10","1") = "9"
    & skf18("9","8","8","6","4","1","1") = "8"
    & skf18("9","8","8","6","4","2","1") = "8"
    & skf18("9","8","8","6","4","3","1") = "8"
    & skf18("9","8","8","6","4","4","1") = "8"
    & skf18("9","8","8","6","4","5","1") = "8"
    & skf18("9","8","8","6","4","6","1") = "8"
    & skf18("9","8","8","6","4","7","1") = "8"
    & skf18("9","8","8","6","4","8","1") = "8"
    & skf18("9","8","8","6","4","9","1") = "8"
    & skf18("9","8","8","6","4","10","1") = "9"
    & skf18("9","8","8","6","5","1","1") = "8"
    & skf18("9","8","8","6","5","2","1") = "8"
    & skf18("9","8","8","6","5","3","1") = "8"
    & skf18("9","8","8","6","5","4","1") = "8"
    & skf18("9","8","8","6","5","5","1") = "8"
    & skf18("9","8","8","6","5","6","1") = "8"
    & skf18("9","8","8","6","5","7","1") = "8"
    & skf18("9","8","8","6","5","8","1") = "8"
    & skf18("9","8","8","6","5","9","1") = "8"
    & skf18("9","8","8","6","5","10","1") = "9"
    & skf18("9","8","8","6","6","1","1") = "8"
    & skf18("9","8","8","6","6","2","1") = "8"
    & skf18("9","8","8","6","6","3","1") = "8"
    & skf18("9","8","8","6","6","4","1") = "8"
    & skf18("9","8","8","6","6","5","1") = "8"
    & skf18("9","8","8","6","6","6","1") = "8"
    & skf18("9","8","8","6","6","7","1") = "8"
    & skf18("9","8","8","6","6","8","1") = "8"
    & skf18("9","8","8","6","6","9","1") = "8"
    & skf18("9","8","8","6","6","10","1") = "9"
    & skf18("9","8","8","6","7","1","1") = "8"
    & skf18("9","8","8","6","7","2","1") = "8"
    & skf18("9","8","8","6","7","3","1") = "8"
    & skf18("9","8","8","6","7","4","1") = "8"
    & skf18("9","8","8","6","7","5","1") = "8"
    & skf18("9","8","8","6","7","6","1") = "8"
    & skf18("9","8","8","6","7","7","1") = "8"
    & skf18("9","8","8","6","7","8","1") = "8"
    & skf18("9","8","8","6","7","9","1") = "8"
    & skf18("9","8","8","6","7","10","1") = "9"
    & skf18("9","8","8","6","8","1","1") = "8"
    & skf18("9","8","8","6","8","2","1") = "8"
    & skf18("9","8","8","6","8","3","1") = "8"
    & skf18("9","8","8","6","8","4","1") = "8"
    & skf18("9","8","8","6","8","5","1") = "8"
    & skf18("9","8","8","6","8","6","1") = "8"
    & skf18("9","8","8","6","8","7","1") = "8"
    & skf18("9","8","8","6","8","8","1") = "8"
    & skf18("9","8","8","6","8","9","1") = "8"
    & skf18("9","8","8","6","8","10","1") = "9"
    & skf18("9","8","8","6","9","1","1") = "8"
    & skf18("9","8","8","6","9","2","1") = "8"
    & skf18("9","8","8","6","9","3","1") = "8"
    & skf18("9","8","8","6","9","4","1") = "8"
    & skf18("9","8","8","6","9","5","1") = "8"
    & skf18("9","8","8","6","9","6","1") = "8"
    & skf18("9","8","8","6","9","7","1") = "8"
    & skf18("9","8","8","6","9","8","1") = "8"
    & skf18("9","8","8","6","9","9","1") = "8"
    & skf18("9","8","8","6","9","10","1") = "9"
    & skf18("9","8","8","6","10","1","1") = "9"
    & skf18("9","8","8","6","10","2","1") = "9"
    & skf18("9","8","8","6","10","3","1") = "9"
    & skf18("9","8","8","6","10","4","1") = "9"
    & skf18("9","8","8","6","10","5","1") = "9"
    & skf18("9","8","8","6","10","6","1") = "9"
    & skf18("9","8","8","6","10","7","1") = "9"
    & skf18("9","8","8","6","10","8","1") = "9"
    & skf18("9","8","8","6","10","9","1") = "9"
    & skf18("9","8","8","6","10","10","1") = "9"
    & skf18("9","8","8","7","1","1","1") = "8"
    & skf18("9","8","8","7","1","2","1") = "8"
    & skf18("9","8","8","7","1","3","1") = "8"
    & skf18("9","8","8","7","1","4","1") = "8"
    & skf18("9","8","8","7","1","5","1") = "8"
    & skf18("9","8","8","7","1","6","1") = "8"
    & skf18("9","8","8","7","1","7","1") = "8"
    & skf18("9","8","8","7","1","8","1") = "8"
    & skf18("9","8","8","7","1","9","1") = "8"
    & skf18("9","8","8","7","1","10","1") = "9"
    & skf18("9","8","8","7","2","1","1") = "8"
    & skf18("9","8","8","7","2","2","1") = "8"
    & skf18("9","8","8","7","2","3","1") = "8"
    & skf18("9","8","8","7","2","4","1") = "8"
    & skf18("9","8","8","7","2","5","1") = "8"
    & skf18("9","8","8","7","2","6","1") = "8"
    & skf18("9","8","8","7","2","7","1") = "8"
    & skf18("9","8","8","7","2","8","1") = "8"
    & skf18("9","8","8","7","2","9","1") = "8"
    & skf18("9","8","8","7","2","10","1") = "9"
    & skf18("9","8","8","7","3","1","1") = "8"
    & skf18("9","8","8","7","3","2","1") = "8"
    & skf18("9","8","8","7","3","3","1") = "8"
    & skf18("9","8","8","7","3","4","1") = "8"
    & skf18("9","8","8","7","3","5","1") = "8"
    & skf18("9","8","8","7","3","6","1") = "8"
    & skf18("9","8","8","7","3","7","1") = "8"
    & skf18("9","8","8","7","3","8","1") = "8"
    & skf18("9","8","8","7","3","9","1") = "8"
    & skf18("9","8","8","7","3","10","1") = "9"
    & skf18("9","8","8","7","4","1","1") = "8"
    & skf18("9","8","8","7","4","2","1") = "8"
    & skf18("9","8","8","7","4","3","1") = "8"
    & skf18("9","8","8","7","4","4","1") = "8"
    & skf18("9","8","8","7","4","5","1") = "8"
    & skf18("9","8","8","7","4","6","1") = "8"
    & skf18("9","8","8","7","4","7","1") = "8"
    & skf18("9","8","8","7","4","8","1") = "8"
    & skf18("9","8","8","7","4","9","1") = "8"
    & skf18("9","8","8","7","4","10","1") = "9"
    & skf18("9","8","8","7","5","1","1") = "8"
    & skf18("9","8","8","7","5","2","1") = "8"
    & skf18("9","8","8","7","5","3","1") = "8"
    & skf18("9","8","8","7","5","4","1") = "8"
    & skf18("9","8","8","7","5","5","1") = "8"
    & skf18("9","8","8","7","5","6","1") = "8"
    & skf18("9","8","8","7","5","7","1") = "8"
    & skf18("9","8","8","7","5","8","1") = "8"
    & skf18("9","8","8","7","5","9","1") = "8"
    & skf18("9","8","8","7","5","10","1") = "9"
    & skf18("9","8","8","7","6","1","1") = "8"
    & skf18("9","8","8","7","6","2","1") = "8"
    & skf18("9","8","8","7","6","3","1") = "8"
    & skf18("9","8","8","7","6","4","1") = "8"
    & skf18("9","8","8","7","6","5","1") = "8"
    & skf18("9","8","8","7","6","6","1") = "8"
    & skf18("9","8","8","7","6","7","1") = "8"
    & skf18("9","8","8","7","6","8","1") = "8"
    & skf18("9","8","8","7","6","9","1") = "8"
    & skf18("9","8","8","7","6","10","1") = "9"
    & skf18("9","8","8","7","7","1","1") = "8"
    & skf18("9","8","8","7","7","2","1") = "8"
    & skf18("9","8","8","7","7","3","1") = "8"
    & skf18("9","8","8","7","7","4","1") = "8"
    & skf18("9","8","8","7","7","5","1") = "8"
    & skf18("9","8","8","7","7","6","1") = "8"
    & skf18("9","8","8","7","7","7","1") = "8"
    & skf18("9","8","8","7","7","8","1") = "8"
    & skf18("9","8","8","7","7","9","1") = "8"
    & skf18("9","8","8","7","7","10","1") = "9"
    & skf18("9","8","8","7","8","1","1") = "8"
    & skf18("9","8","8","7","8","2","1") = "8"
    & skf18("9","8","8","7","8","3","1") = "8"
    & skf18("9","8","8","7","8","4","1") = "8"
    & skf18("9","8","8","7","8","5","1") = "8"
    & skf18("9","8","8","7","8","6","1") = "8"
    & skf18("9","8","8","7","8","7","1") = "8"
    & skf18("9","8","8","7","8","8","1") = "8"
    & skf18("9","8","8","7","8","9","1") = "8"
    & skf18("9","8","8","7","8","10","1") = "9"
    & skf18("9","8","8","7","9","1","1") = "8"
    & skf18("9","8","8","7","9","2","1") = "8"
    & skf18("9","8","8","7","9","3","1") = "8"
    & skf18("9","8","8","7","9","4","1") = "8"
    & skf18("9","8","8","7","9","5","1") = "8"
    & skf18("9","8","8","7","9","6","1") = "8"
    & skf18("9","8","8","7","9","7","1") = "8"
    & skf18("9","8","8","7","9","8","1") = "8"
    & skf18("9","8","8","7","9","9","1") = "8"
    & skf18("9","8","8","7","9","10","1") = "9"
    & skf18("9","8","8","7","10","1","1") = "9"
    & skf18("9","8","8","7","10","2","1") = "9"
    & skf18("9","8","8","7","10","3","1") = "9"
    & skf18("9","8","8","7","10","4","1") = "9"
    & skf18("9","8","8","7","10","5","1") = "9"
    & skf18("9","8","8","7","10","6","1") = "9"
    & skf18("9","8","8","7","10","7","1") = "9"
    & skf18("9","8","8","7","10","8","1") = "9"
    & skf18("9","8","8","7","10","9","1") = "9"
    & skf18("9","8","8","7","10","10","1") = "9"
    & skf18("9","8","8","8","1","1","1") = "8"
    & skf18("9","8","8","8","1","2","1") = "8"
    & skf18("9","8","8","8","1","3","1") = "8"
    & skf18("9","8","8","8","1","4","1") = "8"
    & skf18("9","8","8","8","1","5","1") = "8"
    & skf18("9","8","8","8","1","6","1") = "8"
    & skf18("9","8","8","8","1","7","1") = "8"
    & skf18("9","8","8","8","1","8","1") = "8"
    & skf18("9","8","8","8","1","9","1") = "8"
    & skf18("9","8","8","8","1","10","1") = "9"
    & skf18("9","8","8","8","2","1","1") = "8"
    & skf18("9","8","8","8","2","2","1") = "8"
    & skf18("9","8","8","8","2","3","1") = "8"
    & skf18("9","8","8","8","2","4","1") = "8"
    & skf18("9","8","8","8","2","5","1") = "8"
    & skf18("9","8","8","8","2","6","1") = "8"
    & skf18("9","8","8","8","2","7","1") = "8"
    & skf18("9","8","8","8","2","8","1") = "8"
    & skf18("9","8","8","8","2","9","1") = "8"
    & skf18("9","8","8","8","2","10","1") = "9"
    & skf18("9","8","8","8","3","1","1") = "8"
    & skf18("9","8","8","8","3","2","1") = "8"
    & skf18("9","8","8","8","3","3","1") = "8"
    & skf18("9","8","8","8","3","4","1") = "8"
    & skf18("9","8","8","8","3","5","1") = "8"
    & skf18("9","8","8","8","3","6","1") = "8"
    & skf18("9","8","8","8","3","7","1") = "8"
    & skf18("9","8","8","8","3","8","1") = "8"
    & skf18("9","8","8","8","3","9","1") = "8"
    & skf18("9","8","8","8","3","10","1") = "9"
    & skf18("9","8","8","8","4","1","1") = "8"
    & skf18("9","8","8","8","4","2","1") = "8"
    & skf18("9","8","8","8","4","3","1") = "8"
    & skf18("9","8","8","8","4","4","1") = "8"
    & skf18("9","8","8","8","4","5","1") = "8"
    & skf18("9","8","8","8","4","6","1") = "8"
    & skf18("9","8","8","8","4","7","1") = "8"
    & skf18("9","8","8","8","4","8","1") = "8"
    & skf18("9","8","8","8","4","9","1") = "8"
    & skf18("9","8","8","8","4","10","1") = "9"
    & skf18("9","8","8","8","5","1","1") = "8"
    & skf18("9","8","8","8","5","2","1") = "8"
    & skf18("9","8","8","8","5","3","1") = "8"
    & skf18("9","8","8","8","5","4","1") = "8"
    & skf18("9","8","8","8","5","5","1") = "8"
    & skf18("9","8","8","8","5","6","1") = "8"
    & skf18("9","8","8","8","5","7","1") = "8"
    & skf18("9","8","8","8","5","8","1") = "8"
    & skf18("9","8","8","8","5","9","1") = "8"
    & skf18("9","8","8","8","5","10","1") = "9"
    & skf18("9","8","8","8","6","1","1") = "8"
    & skf18("9","8","8","8","6","2","1") = "8"
    & skf18("9","8","8","8","6","3","1") = "8"
    & skf18("9","8","8","8","6","4","1") = "8"
    & skf18("9","8","8","8","6","5","1") = "8"
    & skf18("9","8","8","8","6","6","1") = "8"
    & skf18("9","8","8","8","6","7","1") = "8"
    & skf18("9","8","8","8","6","8","1") = "8"
    & skf18("9","8","8","8","6","9","1") = "8"
    & skf18("9","8","8","8","6","10","1") = "9"
    & skf18("9","8","8","8","7","1","1") = "8"
    & skf18("9","8","8","8","7","2","1") = "8"
    & skf18("9","8","8","8","7","3","1") = "8"
    & skf18("9","8","8","8","7","4","1") = "8"
    & skf18("9","8","8","8","7","5","1") = "8"
    & skf18("9","8","8","8","7","6","1") = "8"
    & skf18("9","8","8","8","7","7","1") = "8"
    & skf18("9","8","8","8","7","8","1") = "8"
    & skf18("9","8","8","8","7","9","1") = "8"
    & skf18("9","8","8","8","7","10","1") = "9"
    & skf18("9","8","8","8","8","1","1") = "8"
    & skf18("9","8","8","8","8","2","1") = "8"
    & skf18("9","8","8","8","8","3","1") = "8"
    & skf18("9","8","8","8","8","4","1") = "8"
    & skf18("9","8","8","8","8","5","1") = "8"
    & skf18("9","8","8","8","8","6","1") = "8"
    & skf18("9","8","8","8","8","7","1") = "8"
    & skf18("9","8","8","8","8","8","1") = "8"
    & skf18("9","8","8","8","8","9","1") = "8"
    & skf18("9","8","8","8","8","10","1") = "9"
    & skf18("9","8","8","8","9","1","1") = "8"
    & skf18("9","8","8","8","9","2","1") = "8"
    & skf18("9","8","8","8","9","3","1") = "8"
    & skf18("9","8","8","8","9","4","1") = "8"
    & skf18("9","8","8","8","9","5","1") = "8"
    & skf18("9","8","8","8","9","6","1") = "8"
    & skf18("9","8","8","8","9","7","1") = "8"
    & skf18("9","8","8","8","9","8","1") = "8"
    & skf18("9","8","8","8","9","9","1") = "8"
    & skf18("9","8","8","8","9","10","1") = "9"
    & skf18("9","8","8","8","10","1","1") = "9"
    & skf18("9","8","8","8","10","2","1") = "9"
    & skf18("9","8","8","8","10","3","1") = "9"
    & skf18("9","8","8","8","10","4","1") = "9"
    & skf18("9","8","8","8","10","5","1") = "9"
    & skf18("9","8","8","8","10","6","1") = "9"
    & skf18("9","8","8","8","10","7","1") = "9"
    & skf18("9","8","8","8","10","8","1") = "9"
    & skf18("9","8","8","8","10","9","1") = "9"
    & skf18("9","8","8","8","10","10","1") = "9"
    & skf18("9","8","8","9","1","1","1") = "8"
    & skf18("9","8","8","9","1","2","1") = "8"
    & skf18("9","8","8","9","1","3","1") = "8"
    & skf18("9","8","8","9","1","4","1") = "8"
    & skf18("9","8","8","9","1","5","1") = "8"
    & skf18("9","8","8","9","1","6","1") = "8"
    & skf18("9","8","8","9","1","7","1") = "8"
    & skf18("9","8","8","9","1","8","1") = "8"
    & skf18("9","8","8","9","1","9","1") = "8"
    & skf18("9","8","8","9","1","10","1") = "9"
    & skf18("9","8","8","9","2","1","1") = "8"
    & skf18("9","8","8","9","2","2","1") = "8"
    & skf18("9","8","8","9","2","3","1") = "8"
    & skf18("9","8","8","9","2","4","1") = "8"
    & skf18("9","8","8","9","2","5","1") = "8"
    & skf18("9","8","8","9","2","6","1") = "8"
    & skf18("9","8","8","9","2","7","1") = "8"
    & skf18("9","8","8","9","2","8","1") = "8"
    & skf18("9","8","8","9","2","9","1") = "8"
    & skf18("9","8","8","9","2","10","1") = "9"
    & skf18("9","8","8","9","3","1","1") = "8"
    & skf18("9","8","8","9","3","2","1") = "8"
    & skf18("9","8","8","9","3","3","1") = "8"
    & skf18("9","8","8","9","3","4","1") = "8"
    & skf18("9","8","8","9","3","5","1") = "8"
    & skf18("9","8","8","9","3","6","1") = "8"
    & skf18("9","8","8","9","3","7","1") = "8"
    & skf18("9","8","8","9","3","8","1") = "8"
    & skf18("9","8","8","9","3","9","1") = "8"
    & skf18("9","8","8","9","3","10","1") = "9"
    & skf18("9","8","8","9","4","1","1") = "8"
    & skf18("9","8","8","9","4","2","1") = "8"
    & skf18("9","8","8","9","4","3","1") = "8"
    & skf18("9","8","8","9","4","4","1") = "8"
    & skf18("9","8","8","9","4","5","1") = "8"
    & skf18("9","8","8","9","4","6","1") = "8"
    & skf18("9","8","8","9","4","7","1") = "8"
    & skf18("9","8","8","9","4","8","1") = "8"
    & skf18("9","8","8","9","4","9","1") = "8"
    & skf18("9","8","8","9","4","10","1") = "9"
    & skf18("9","8","8","9","5","1","1") = "8"
    & skf18("9","8","8","9","5","2","1") = "8"
    & skf18("9","8","8","9","5","3","1") = "8"
    & skf18("9","8","8","9","5","4","1") = "8"
    & skf18("9","8","8","9","5","5","1") = "8"
    & skf18("9","8","8","9","5","6","1") = "8"
    & skf18("9","8","8","9","5","7","1") = "8"
    & skf18("9","8","8","9","5","8","1") = "8"
    & skf18("9","8","8","9","5","9","1") = "8"
    & skf18("9","8","8","9","5","10","1") = "9"
    & skf18("9","8","8","9","6","1","1") = "8"
    & skf18("9","8","8","9","6","2","1") = "8"
    & skf18("9","8","8","9","6","3","1") = "8"
    & skf18("9","8","8","9","6","4","1") = "8"
    & skf18("9","8","8","9","6","5","1") = "8"
    & skf18("9","8","8","9","6","6","1") = "8"
    & skf18("9","8","8","9","6","7","1") = "8"
    & skf18("9","8","8","9","6","8","1") = "8"
    & skf18("9","8","8","9","6","9","1") = "8"
    & skf18("9","8","8","9","6","10","1") = "9"
    & skf18("9","8","8","9","7","1","1") = "8"
    & skf18("9","8","8","9","7","2","1") = "8"
    & skf18("9","8","8","9","7","3","1") = "8"
    & skf18("9","8","8","9","7","4","1") = "8"
    & skf18("9","8","8","9","7","5","1") = "8"
    & skf18("9","8","8","9","7","6","1") = "8"
    & skf18("9","8","8","9","7","7","1") = "8"
    & skf18("9","8","8","9","7","8","1") = "8"
    & skf18("9","8","8","9","7","9","1") = "8"
    & skf18("9","8","8","9","7","10","1") = "9"
    & skf18("9","8","8","9","8","1","1") = "8"
    & skf18("9","8","8","9","8","2","1") = "8"
    & skf18("9","8","8","9","8","3","1") = "8"
    & skf18("9","8","8","9","8","4","1") = "8"
    & skf18("9","8","8","9","8","5","1") = "8"
    & skf18("9","8","8","9","8","6","1") = "8"
    & skf18("9","8","8","9","8","7","1") = "8"
    & skf18("9","8","8","9","8","8","1") = "8"
    & skf18("9","8","8","9","8","9","1") = "8"
    & skf18("9","8","8","9","8","10","1") = "9"
    & skf18("9","8","8","9","9","1","1") = "8"
    & skf18("9","8","8","9","9","2","1") = "8"
    & skf18("9","8","8","9","9","3","1") = "8"
    & skf18("9","8","8","9","9","4","1") = "8"
    & skf18("9","8","8","9","9","5","1") = "8"
    & skf18("9","8","8","9","9","6","1") = "8"
    & skf18("9","8","8","9","9","7","1") = "8"
    & skf18("9","8","8","9","9","8","1") = "8"
    & skf18("9","8","8","9","9","9","1") = "8"
    & skf18("9","8","8","9","9","10","1") = "9"
    & skf18("9","8","8","9","10","1","1") = "9"
    & skf18("9","8","8","9","10","2","1") = "9"
    & skf18("9","8","8","9","10","3","1") = "9"
    & skf18("9","8","8","9","10","4","1") = "9"
    & skf18("9","8","8","9","10","5","1") = "9"
    & skf18("9","8","8","9","10","6","1") = "9"
    & skf18("9","8","8","9","10","7","1") = "9"
    & skf18("9","8","8","9","10","8","1") = "9"
    & skf18("9","8","8","9","10","9","1") = "9"
    & skf18("9","8","8","9","10","10","1") = "9"
    & skf18("9","8","8","10","1","1","1") = "9"
    & skf18("9","8","8","10","1","2","1") = "9"
    & skf18("9","8","8","10","1","3","1") = "9"
    & skf18("9","8","8","10","1","4","1") = "9"
    & skf18("9","8","8","10","1","5","1") = "9"
    & skf18("9","8","8","10","1","6","1") = "9"
    & skf18("9","8","8","10","1","7","1") = "9"
    & skf18("9","8","8","10","1","8","1") = "9"
    & skf18("9","8","8","10","1","9","1") = "9"
    & skf18("9","8","8","10","1","10","1") = "9"
    & skf18("9","8","8","10","2","1","1") = "9"
    & skf18("9","8","8","10","2","2","1") = "9"
    & skf18("9","8","8","10","2","3","1") = "9"
    & skf18("9","8","8","10","2","4","1") = "9"
    & skf18("9","8","8","10","2","5","1") = "9"
    & skf18("9","8","8","10","2","6","1") = "9"
    & skf18("9","8","8","10","2","7","1") = "9"
    & skf18("9","8","8","10","2","8","1") = "9"
    & skf18("9","8","8","10","2","9","1") = "9"
    & skf18("9","8","8","10","2","10","1") = "9"
    & skf18("9","8","8","10","3","1","1") = "9"
    & skf18("9","8","8","10","3","2","1") = "9"
    & skf18("9","8","8","10","3","3","1") = "9"
    & skf18("9","8","8","10","3","4","1") = "9"
    & skf18("9","8","8","10","3","5","1") = "9"
    & skf18("9","8","8","10","3","6","1") = "9"
    & skf18("9","8","8","10","3","7","1") = "9"
    & skf18("9","8","8","10","3","8","1") = "9"
    & skf18("9","8","8","10","3","9","1") = "9"
    & skf18("9","8","8","10","3","10","1") = "9"
    & skf18("9","8","8","10","4","1","1") = "9"
    & skf18("9","8","8","10","4","2","1") = "9"
    & skf18("9","8","8","10","4","3","1") = "9"
    & skf18("9","8","8","10","4","4","1") = "9"
    & skf18("9","8","8","10","4","5","1") = "9"
    & skf18("9","8","8","10","4","6","1") = "9"
    & skf18("9","8","8","10","4","7","1") = "9"
    & skf18("9","8","8","10","4","8","1") = "9"
    & skf18("9","8","8","10","4","9","1") = "9"
    & skf18("9","8","8","10","4","10","1") = "9"
    & skf18("9","8","8","10","5","1","1") = "9"
    & skf18("9","8","8","10","5","2","1") = "9"
    & skf18("9","8","8","10","5","3","1") = "9"
    & skf18("9","8","8","10","5","4","1") = "9"
    & skf18("9","8","8","10","5","5","1") = "9"
    & skf18("9","8","8","10","5","6","1") = "9"
    & skf18("9","8","8","10","5","7","1") = "9"
    & skf18("9","8","8","10","5","8","1") = "9"
    & skf18("9","8","8","10","5","9","1") = "9"
    & skf18("9","8","8","10","5","10","1") = "9"
    & skf18("9","8","8","10","6","1","1") = "9"
    & skf18("9","8","8","10","6","2","1") = "9"
    & skf18("9","8","8","10","6","3","1") = "9"
    & skf18("9","8","8","10","6","4","1") = "9"
    & skf18("9","8","8","10","6","5","1") = "9"
    & skf18("9","8","8","10","6","6","1") = "9"
    & skf18("9","8","8","10","6","7","1") = "9"
    & skf18("9","8","8","10","6","8","1") = "9"
    & skf18("9","8","8","10","6","9","1") = "9"
    & skf18("9","8","8","10","6","10","1") = "9"
    & skf18("9","8","8","10","7","1","1") = "9"
    & skf18("9","8","8","10","7","2","1") = "9"
    & skf18("9","8","8","10","7","3","1") = "9"
    & skf18("9","8","8","10","7","4","1") = "9"
    & skf18("9","8","8","10","7","5","1") = "9"
    & skf18("9","8","8","10","7","6","1") = "9"
    & skf18("9","8","8","10","7","7","1") = "9"
    & skf18("9","8","8","10","7","8","1") = "9"
    & skf18("9","8","8","10","7","9","1") = "9"
    & skf18("9","8","8","10","7","10","1") = "9"
    & skf18("9","8","8","10","8","1","1") = "9"
    & skf18("9","8","8","10","8","2","1") = "9"
    & skf18("9","8","8","10","8","3","1") = "9"
    & skf18("9","8","8","10","8","4","1") = "9"
    & skf18("9","8","8","10","8","5","1") = "9"
    & skf18("9","8","8","10","8","6","1") = "9"
    & skf18("9","8","8","10","8","7","1") = "9"
    & skf18("9","8","8","10","8","8","1") = "9"
    & skf18("9","8","8","10","8","9","1") = "9"
    & skf18("9","8","8","10","8","10","1") = "9"
    & skf18("9","8","8","10","9","1","1") = "9"
    & skf18("9","8","8","10","9","2","1") = "9"
    & skf18("9","8","8","10","9","3","1") = "9"
    & skf18("9","8","8","10","9","4","1") = "9"
    & skf18("9","8","8","10","9","5","1") = "9"
    & skf18("9","8","8","10","9","6","1") = "9"
    & skf18("9","8","8","10","9","7","1") = "9"
    & skf18("9","8","8","10","9","8","1") = "9"
    & skf18("9","8","8","10","9","9","1") = "9"
    & skf18("9","8","8","10","9","10","1") = "9"
    & skf18("9","8","8","10","10","1","1") = "9"
    & skf18("9","8","8","10","10","2","1") = "9"
    & skf18("9","8","8","10","10","3","1") = "9"
    & skf18("9","8","8","10","10","4","1") = "9"
    & skf18("9","8","8","10","10","5","1") = "9"
    & skf18("9","8","8","10","10","6","1") = "9"
    & skf18("9","8","8","10","10","7","1") = "9"
    & skf18("9","8","8","10","10","8","1") = "9"
    & skf18("9","8","8","10","10","9","1") = "9"
    & skf18("9","8","8","10","10","10","1") = "9"
    & skf18("9","8","9","1","1","1","1") = "8"
    & skf18("9","8","9","1","1","2","1") = "8"
    & skf18("9","8","9","1","1","3","1") = "8"
    & skf18("9","8","9","1","1","4","1") = "8"
    & skf18("9","8","9","1","1","5","1") = "8"
    & skf18("9","8","9","1","1","6","1") = "8"
    & skf18("9","8","9","1","1","7","1") = "8"
    & skf18("9","8","9","1","1","8","1") = "8"
    & skf18("9","8","9","1","1","9","1") = "8"
    & skf18("9","8","9","1","1","10","1") = "9"
    & skf18("9","8","9","1","2","1","1") = "8"
    & skf18("9","8","9","1","2","2","1") = "8"
    & skf18("9","8","9","1","2","3","1") = "8"
    & skf18("9","8","9","1","2","4","1") = "8"
    & skf18("9","8","9","1","2","5","1") = "8"
    & skf18("9","8","9","1","2","6","1") = "8"
    & skf18("9","8","9","1","2","7","1") = "8"
    & skf18("9","8","9","1","2","8","1") = "8"
    & skf18("9","8","9","1","2","9","1") = "8"
    & skf18("9","8","9","1","2","10","1") = "9"
    & skf18("9","8","9","1","3","1","1") = "8"
    & skf18("9","8","9","1","3","2","1") = "8"
    & skf18("9","8","9","1","3","3","1") = "8"
    & skf18("9","8","9","1","3","4","1") = "8"
    & skf18("9","8","9","1","3","5","1") = "8"
    & skf18("9","8","9","1","3","6","1") = "8"
    & skf18("9","8","9","1","3","7","1") = "8"
    & skf18("9","8","9","1","3","8","1") = "8"
    & skf18("9","8","9","1","3","9","1") = "8"
    & skf18("9","8","9","1","3","10","1") = "9"
    & skf18("9","8","9","1","4","1","1") = "8"
    & skf18("9","8","9","1","4","2","1") = "8"
    & skf18("9","8","9","1","4","3","1") = "8"
    & skf18("9","8","9","1","4","4","1") = "8"
    & skf18("9","8","9","1","4","5","1") = "8"
    & skf18("9","8","9","1","4","6","1") = "8"
    & skf18("9","8","9","1","4","7","1") = "8"
    & skf18("9","8","9","1","4","8","1") = "8"
    & skf18("9","8","9","1","4","9","1") = "8"
    & skf18("9","8","9","1","4","10","1") = "9"
    & skf18("9","8","9","1","5","1","1") = "8"
    & skf18("9","8","9","1","5","2","1") = "8"
    & skf18("9","8","9","1","5","3","1") = "8"
    & skf18("9","8","9","1","5","4","1") = "8"
    & skf18("9","8","9","1","5","5","1") = "8"
    & skf18("9","8","9","1","5","6","1") = "8"
    & skf18("9","8","9","1","5","7","1") = "8"
    & skf18("9","8","9","1","5","8","1") = "8"
    & skf18("9","8","9","1","5","9","1") = "8"
    & skf18("9","8","9","1","5","10","1") = "9"
    & skf18("9","8","9","1","6","1","1") = "8"
    & skf18("9","8","9","1","6","2","1") = "8"
    & skf18("9","8","9","1","6","3","1") = "8"
    & skf18("9","8","9","1","6","4","1") = "8"
    & skf18("9","8","9","1","6","5","1") = "8"
    & skf18("9","8","9","1","6","6","1") = "8"
    & skf18("9","8","9","1","6","7","1") = "8"
    & skf18("9","8","9","1","6","8","1") = "8"
    & skf18("9","8","9","1","6","9","1") = "8"
    & skf18("9","8","9","1","6","10","1") = "9"
    & skf18("9","8","9","1","7","1","1") = "8"
    & skf18("9","8","9","1","7","2","1") = "8"
    & skf18("9","8","9","1","7","3","1") = "8"
    & skf18("9","8","9","1","7","4","1") = "8"
    & skf18("9","8","9","1","7","5","1") = "8"
    & skf18("9","8","9","1","7","6","1") = "8"
    & skf18("9","8","9","1","7","7","1") = "8"
    & skf18("9","8","9","1","7","8","1") = "8"
    & skf18("9","8","9","1","7","9","1") = "8"
    & skf18("9","8","9","1","7","10","1") = "9"
    & skf18("9","8","9","1","8","1","1") = "8"
    & skf18("9","8","9","1","8","2","1") = "8"
    & skf18("9","8","9","1","8","3","1") = "8"
    & skf18("9","8","9","1","8","4","1") = "8"
    & skf18("9","8","9","1","8","5","1") = "8"
    & skf18("9","8","9","1","8","6","1") = "8"
    & skf18("9","8","9","1","8","7","1") = "8"
    & skf18("9","8","9","1","8","8","1") = "8"
    & skf18("9","8","9","1","8","9","1") = "8"
    & skf18("9","8","9","1","8","10","1") = "9"
    & skf18("9","8","9","1","9","1","1") = "8"
    & skf18("9","8","9","1","9","2","1") = "8"
    & skf18("9","8","9","1","9","3","1") = "8"
    & skf18("9","8","9","1","9","4","1") = "8"
    & skf18("9","8","9","1","9","5","1") = "8"
    & skf18("9","8","9","1","9","6","1") = "8"
    & skf18("9","8","9","1","9","7","1") = "8"
    & skf18("9","8","9","1","9","8","1") = "8"
    & skf18("9","8","9","1","9","9","1") = "8"
    & skf18("9","8","9","1","9","10","1") = "9"
    & skf18("9","8","9","1","10","1","1") = "9"
    & skf18("9","8","9","1","10","2","1") = "9"
    & skf18("9","8","9","1","10","3","1") = "9"
    & skf18("9","8","9","1","10","4","1") = "9"
    & skf18("9","8","9","1","10","5","1") = "9"
    & skf18("9","8","9","1","10","6","1") = "9"
    & skf18("9","8","9","1","10","7","1") = "9"
    & skf18("9","8","9","1","10","8","1") = "9"
    & skf18("9","8","9","1","10","9","1") = "9"
    & skf18("9","8","9","1","10","10","1") = "9"
    & skf18("9","8","9","2","1","1","1") = "8"
    & skf18("9","8","9","2","1","2","1") = "8"
    & skf18("9","8","9","2","1","3","1") = "8"
    & skf18("9","8","9","2","1","4","1") = "8"
    & skf18("9","8","9","2","1","5","1") = "8"
    & skf18("9","8","9","2","1","6","1") = "8"
    & skf18("9","8","9","2","1","7","1") = "8"
    & skf18("9","8","9","2","1","8","1") = "8"
    & skf18("9","8","9","2","1","9","1") = "8"
    & skf18("9","8","9","2","1","10","1") = "9"
    & skf18("9","8","9","2","2","1","1") = "8"
    & skf18("9","8","9","2","2","2","1") = "8"
    & skf18("9","8","9","2","2","3","1") = "8"
    & skf18("9","8","9","2","2","4","1") = "8"
    & skf18("9","8","9","2","2","5","1") = "8"
    & skf18("9","8","9","2","2","6","1") = "8"
    & skf18("9","8","9","2","2","7","1") = "8"
    & skf18("9","8","9","2","2","8","1") = "8"
    & skf18("9","8","9","2","2","9","1") = "8"
    & skf18("9","8","9","2","2","10","1") = "9"
    & skf18("9","8","9","2","3","1","1") = "8"
    & skf18("9","8","9","2","3","2","1") = "8"
    & skf18("9","8","9","2","3","3","1") = "8"
    & skf18("9","8","9","2","3","4","1") = "8"
    & skf18("9","8","9","2","3","5","1") = "8"
    & skf18("9","8","9","2","3","6","1") = "8"
    & skf18("9","8","9","2","3","7","1") = "8"
    & skf18("9","8","9","2","3","8","1") = "8"
    & skf18("9","8","9","2","3","9","1") = "8"
    & skf18("9","8","9","2","3","10","1") = "9"
    & skf18("9","8","9","2","4","1","1") = "8"
    & skf18("9","8","9","2","4","2","1") = "8"
    & skf18("9","8","9","2","4","3","1") = "8"
    & skf18("9","8","9","2","4","4","1") = "8"
    & skf18("9","8","9","2","4","5","1") = "8"
    & skf18("9","8","9","2","4","6","1") = "8"
    & skf18("9","8","9","2","4","7","1") = "8"
    & skf18("9","8","9","2","4","8","1") = "8"
    & skf18("9","8","9","2","4","9","1") = "8"
    & skf18("9","8","9","2","4","10","1") = "9"
    & skf18("9","8","9","2","5","1","1") = "8"
    & skf18("9","8","9","2","5","2","1") = "8"
    & skf18("9","8","9","2","5","3","1") = "8"
    & skf18("9","8","9","2","5","4","1") = "8"
    & skf18("9","8","9","2","5","5","1") = "8"
    & skf18("9","8","9","2","5","6","1") = "8"
    & skf18("9","8","9","2","5","7","1") = "8"
    & skf18("9","8","9","2","5","8","1") = "8"
    & skf18("9","8","9","2","5","9","1") = "8"
    & skf18("9","8","9","2","5","10","1") = "9"
    & skf18("9","8","9","2","6","1","1") = "8"
    & skf18("9","8","9","2","6","2","1") = "8"
    & skf18("9","8","9","2","6","3","1") = "8"
    & skf18("9","8","9","2","6","4","1") = "8"
    & skf18("9","8","9","2","6","5","1") = "8"
    & skf18("9","8","9","2","6","6","1") = "8"
    & skf18("9","8","9","2","6","7","1") = "8"
    & skf18("9","8","9","2","6","8","1") = "8"
    & skf18("9","8","9","2","6","9","1") = "8"
    & skf18("9","8","9","2","6","10","1") = "9"
    & skf18("9","8","9","2","7","1","1") = "8"
    & skf18("9","8","9","2","7","2","1") = "8"
    & skf18("9","8","9","2","7","3","1") = "8"
    & skf18("9","8","9","2","7","4","1") = "8"
    & skf18("9","8","9","2","7","5","1") = "8"
    & skf18("9","8","9","2","7","6","1") = "8"
    & skf18("9","8","9","2","7","7","1") = "8"
    & skf18("9","8","9","2","7","8","1") = "8"
    & skf18("9","8","9","2","7","9","1") = "8"
    & skf18("9","8","9","2","7","10","1") = "9"
    & skf18("9","8","9","2","8","1","1") = "8"
    & skf18("9","8","9","2","8","2","1") = "8"
    & skf18("9","8","9","2","8","3","1") = "8"
    & skf18("9","8","9","2","8","4","1") = "8"
    & skf18("9","8","9","2","8","5","1") = "8"
    & skf18("9","8","9","2","8","6","1") = "8"
    & skf18("9","8","9","2","8","7","1") = "8"
    & skf18("9","8","9","2","8","8","1") = "8"
    & skf18("9","8","9","2","8","9","1") = "8"
    & skf18("9","8","9","2","8","10","1") = "9"
    & skf18("9","8","9","2","9","1","1") = "8"
    & skf18("9","8","9","2","9","2","1") = "8"
    & skf18("9","8","9","2","9","3","1") = "8"
    & skf18("9","8","9","2","9","4","1") = "8"
    & skf18("9","8","9","2","9","5","1") = "8"
    & skf18("9","8","9","2","9","6","1") = "8"
    & skf18("9","8","9","2","9","7","1") = "8"
    & skf18("9","8","9","2","9","8","1") = "8"
    & skf18("9","8","9","2","9","9","1") = "8"
    & skf18("9","8","9","2","9","10","1") = "9"
    & skf18("9","8","9","2","10","1","1") = "9"
    & skf18("9","8","9","2","10","2","1") = "9"
    & skf18("9","8","9","2","10","3","1") = "9"
    & skf18("9","8","9","2","10","4","1") = "9"
    & skf18("9","8","9","2","10","5","1") = "9"
    & skf18("9","8","9","2","10","6","1") = "9"
    & skf18("9","8","9","2","10","7","1") = "9"
    & skf18("9","8","9","2","10","8","1") = "9"
    & skf18("9","8","9","2","10","9","1") = "9"
    & skf18("9","8","9","2","10","10","1") = "9"
    & skf18("9","8","9","3","1","1","1") = "8"
    & skf18("9","8","9","3","1","2","1") = "8"
    & skf18("9","8","9","3","1","3","1") = "8"
    & skf18("9","8","9","3","1","4","1") = "8"
    & skf18("9","8","9","3","1","5","1") = "8"
    & skf18("9","8","9","3","1","6","1") = "8"
    & skf18("9","8","9","3","1","7","1") = "8"
    & skf18("9","8","9","3","1","8","1") = "8"
    & skf18("9","8","9","3","1","9","1") = "8"
    & skf18("9","8","9","3","1","10","1") = "9"
    & skf18("9","8","9","3","2","1","1") = "8"
    & skf18("9","8","9","3","2","2","1") = "8"
    & skf18("9","8","9","3","2","3","1") = "8"
    & skf18("9","8","9","3","2","4","1") = "8"
    & skf18("9","8","9","3","2","5","1") = "8"
    & skf18("9","8","9","3","2","6","1") = "8"
    & skf18("9","8","9","3","2","7","1") = "8"
    & skf18("9","8","9","3","2","8","1") = "8"
    & skf18("9","8","9","3","2","9","1") = "8"
    & skf18("9","8","9","3","2","10","1") = "9"
    & skf18("9","8","9","3","3","1","1") = "8"
    & skf18("9","8","9","3","3","2","1") = "8"
    & skf18("9","8","9","3","3","3","1") = "8"
    & skf18("9","8","9","3","3","4","1") = "8"
    & skf18("9","8","9","3","3","5","1") = "8"
    & skf18("9","8","9","3","3","6","1") = "8"
    & skf18("9","8","9","3","3","7","1") = "8"
    & skf18("9","8","9","3","3","8","1") = "8"
    & skf18("9","8","9","3","3","9","1") = "8"
    & skf18("9","8","9","3","3","10","1") = "9"
    & skf18("9","8","9","3","4","1","1") = "8"
    & skf18("9","8","9","3","4","2","1") = "8"
    & skf18("9","8","9","3","4","3","1") = "8"
    & skf18("9","8","9","3","4","4","1") = "8"
    & skf18("9","8","9","3","4","5","1") = "8"
    & skf18("9","8","9","3","4","6","1") = "8"
    & skf18("9","8","9","3","4","7","1") = "8"
    & skf18("9","8","9","3","4","8","1") = "8"
    & skf18("9","8","9","3","4","9","1") = "8"
    & skf18("9","8","9","3","4","10","1") = "9"
    & skf18("9","8","9","3","5","1","1") = "8"
    & skf18("9","8","9","3","5","2","1") = "8"
    & skf18("9","8","9","3","5","3","1") = "8"
    & skf18("9","8","9","3","5","4","1") = "8"
    & skf18("9","8","9","3","5","5","1") = "8"
    & skf18("9","8","9","3","5","6","1") = "8"
    & skf18("9","8","9","3","5","7","1") = "8"
    & skf18("9","8","9","3","5","8","1") = "8"
    & skf18("9","8","9","3","5","9","1") = "8"
    & skf18("9","8","9","3","5","10","1") = "9"
    & skf18("9","8","9","3","6","1","1") = "8"
    & skf18("9","8","9","3","6","2","1") = "8"
    & skf18("9","8","9","3","6","3","1") = "8"
    & skf18("9","8","9","3","6","4","1") = "8"
    & skf18("9","8","9","3","6","5","1") = "8"
    & skf18("9","8","9","3","6","6","1") = "8"
    & skf18("9","8","9","3","6","7","1") = "8"
    & skf18("9","8","9","3","6","8","1") = "8"
    & skf18("9","8","9","3","6","9","1") = "8"
    & skf18("9","8","9","3","6","10","1") = "9"
    & skf18("9","8","9","3","7","1","1") = "8"
    & skf18("9","8","9","3","7","2","1") = "8"
    & skf18("9","8","9","3","7","3","1") = "8"
    & skf18("9","8","9","3","7","4","1") = "8"
    & skf18("9","8","9","3","7","5","1") = "8"
    & skf18("9","8","9","3","7","6","1") = "8"
    & skf18("9","8","9","3","7","7","1") = "8"
    & skf18("9","8","9","3","7","8","1") = "8"
    & skf18("9","8","9","3","7","9","1") = "8"
    & skf18("9","8","9","3","7","10","1") = "9"
    & skf18("9","8","9","3","8","1","1") = "8"
    & skf18("9","8","9","3","8","2","1") = "8"
    & skf18("9","8","9","3","8","3","1") = "8"
    & skf18("9","8","9","3","8","4","1") = "8"
    & skf18("9","8","9","3","8","5","1") = "8"
    & skf18("9","8","9","3","8","6","1") = "8"
    & skf18("9","8","9","3","8","7","1") = "8"
    & skf18("9","8","9","3","8","8","1") = "8"
    & skf18("9","8","9","3","8","9","1") = "8"
    & skf18("9","8","9","3","8","10","1") = "9"
    & skf18("9","8","9","3","9","1","1") = "8"
    & skf18("9","8","9","3","9","2","1") = "8"
    & skf18("9","8","9","3","9","3","1") = "8"
    & skf18("9","8","9","3","9","4","1") = "8"
    & skf18("9","8","9","3","9","5","1") = "8"
    & skf18("9","8","9","3","9","6","1") = "8"
    & skf18("9","8","9","3","9","7","1") = "8"
    & skf18("9","8","9","3","9","8","1") = "8"
    & skf18("9","8","9","3","9","9","1") = "8"
    & skf18("9","8","9","3","9","10","1") = "9"
    & skf18("9","8","9","3","10","1","1") = "9"
    & skf18("9","8","9","3","10","2","1") = "9"
    & skf18("9","8","9","3","10","3","1") = "9"
    & skf18("9","8","9","3","10","4","1") = "9"
    & skf18("9","8","9","3","10","5","1") = "9"
    & skf18("9","8","9","3","10","6","1") = "9"
    & skf18("9","8","9","3","10","7","1") = "9"
    & skf18("9","8","9","3","10","8","1") = "9"
    & skf18("9","8","9","3","10","9","1") = "9"
    & skf18("9","8","9","3","10","10","1") = "9"
    & skf18("9","8","9","4","1","1","1") = "8"
    & skf18("9","8","9","4","1","2","1") = "8"
    & skf18("9","8","9","4","1","3","1") = "8"
    & skf18("9","8","9","4","1","4","1") = "8"
    & skf18("9","8","9","4","1","5","1") = "8"
    & skf18("9","8","9","4","1","6","1") = "8"
    & skf18("9","8","9","4","1","7","1") = "8"
    & skf18("9","8","9","4","1","8","1") = "8"
    & skf18("9","8","9","4","1","9","1") = "8"
    & skf18("9","8","9","4","1","10","1") = "9"
    & skf18("9","8","9","4","2","1","1") = "8"
    & skf18("9","8","9","4","2","2","1") = "8"
    & skf18("9","8","9","4","2","3","1") = "8"
    & skf18("9","8","9","4","2","4","1") = "8"
    & skf18("9","8","9","4","2","5","1") = "8"
    & skf18("9","8","9","4","2","6","1") = "8"
    & skf18("9","8","9","4","2","7","1") = "8"
    & skf18("9","8","9","4","2","8","1") = "8"
    & skf18("9","8","9","4","2","9","1") = "8"
    & skf18("9","8","9","4","2","10","1") = "9"
    & skf18("9","8","9","4","3","1","1") = "8"
    & skf18("9","8","9","4","3","2","1") = "8"
    & skf18("9","8","9","4","3","3","1") = "8"
    & skf18("9","8","9","4","3","4","1") = "8"
    & skf18("9","8","9","4","3","5","1") = "8"
    & skf18("9","8","9","4","3","6","1") = "8"
    & skf18("9","8","9","4","3","7","1") = "8"
    & skf18("9","8","9","4","3","8","1") = "8"
    & skf18("9","8","9","4","3","9","1") = "8"
    & skf18("9","8","9","4","3","10","1") = "9"
    & skf18("9","8","9","4","4","1","1") = "8"
    & skf18("9","8","9","4","4","2","1") = "8"
    & skf18("9","8","9","4","4","3","1") = "8"
    & skf18("9","8","9","4","4","4","1") = "8"
    & skf18("9","8","9","4","4","5","1") = "8"
    & skf18("9","8","9","4","4","6","1") = "8"
    & skf18("9","8","9","4","4","7","1") = "8"
    & skf18("9","8","9","4","4","8","1") = "8"
    & skf18("9","8","9","4","4","9","1") = "8"
    & skf18("9","8","9","4","4","10","1") = "9"
    & skf18("9","8","9","4","5","1","1") = "8"
    & skf18("9","8","9","4","5","2","1") = "8"
    & skf18("9","8","9","4","5","3","1") = "8"
    & skf18("9","8","9","4","5","4","1") = "8"
    & skf18("9","8","9","4","5","5","1") = "8"
    & skf18("9","8","9","4","5","6","1") = "8"
    & skf18("9","8","9","4","5","7","1") = "8"
    & skf18("9","8","9","4","5","8","1") = "8"
    & skf18("9","8","9","4","5","9","1") = "8"
    & skf18("9","8","9","4","5","10","1") = "9"
    & skf18("9","8","9","4","6","1","1") = "8"
    & skf18("9","8","9","4","6","2","1") = "8"
    & skf18("9","8","9","4","6","3","1") = "8"
    & skf18("9","8","9","4","6","4","1") = "8"
    & skf18("9","8","9","4","6","5","1") = "8"
    & skf18("9","8","9","4","6","6","1") = "8"
    & skf18("9","8","9","4","6","7","1") = "8"
    & skf18("9","8","9","4","6","8","1") = "8"
    & skf18("9","8","9","4","6","9","1") = "8"
    & skf18("9","8","9","4","6","10","1") = "9"
    & skf18("9","8","9","4","7","1","1") = "8"
    & skf18("9","8","9","4","7","2","1") = "8"
    & skf18("9","8","9","4","7","3","1") = "8"
    & skf18("9","8","9","4","7","4","1") = "8"
    & skf18("9","8","9","4","7","5","1") = "8"
    & skf18("9","8","9","4","7","6","1") = "8"
    & skf18("9","8","9","4","7","7","1") = "8"
    & skf18("9","8","9","4","7","8","1") = "8"
    & skf18("9","8","9","4","7","9","1") = "8"
    & skf18("9","8","9","4","7","10","1") = "9"
    & skf18("9","8","9","4","8","1","1") = "8"
    & skf18("9","8","9","4","8","2","1") = "8"
    & skf18("9","8","9","4","8","3","1") = "8"
    & skf18("9","8","9","4","8","4","1") = "8"
    & skf18("9","8","9","4","8","5","1") = "8"
    & skf18("9","8","9","4","8","6","1") = "8"
    & skf18("9","8","9","4","8","7","1") = "8"
    & skf18("9","8","9","4","8","8","1") = "8"
    & skf18("9","8","9","4","8","9","1") = "8"
    & skf18("9","8","9","4","8","10","1") = "9"
    & skf18("9","8","9","4","9","1","1") = "8"
    & skf18("9","8","9","4","9","2","1") = "8"
    & skf18("9","8","9","4","9","3","1") = "8"
    & skf18("9","8","9","4","9","4","1") = "8"
    & skf18("9","8","9","4","9","5","1") = "8"
    & skf18("9","8","9","4","9","6","1") = "8"
    & skf18("9","8","9","4","9","7","1") = "8"
    & skf18("9","8","9","4","9","8","1") = "8"
    & skf18("9","8","9","4","9","9","1") = "8"
    & skf18("9","8","9","4","9","10","1") = "9"
    & skf18("9","8","9","4","10","1","1") = "9"
    & skf18("9","8","9","4","10","2","1") = "9"
    & skf18("9","8","9","4","10","3","1") = "9"
    & skf18("9","8","9","4","10","4","1") = "9"
    & skf18("9","8","9","4","10","5","1") = "9"
    & skf18("9","8","9","4","10","6","1") = "9"
    & skf18("9","8","9","4","10","7","1") = "9"
    & skf18("9","8","9","4","10","8","1") = "9"
    & skf18("9","8","9","4","10","9","1") = "9"
    & skf18("9","8","9","4","10","10","1") = "9"
    & skf18("9","8","9","5","1","1","1") = "8"
    & skf18("9","8","9","5","1","2","1") = "8"
    & skf18("9","8","9","5","1","3","1") = "8"
    & skf18("9","8","9","5","1","4","1") = "8"
    & skf18("9","8","9","5","1","5","1") = "8"
    & skf18("9","8","9","5","1","6","1") = "8"
    & skf18("9","8","9","5","1","7","1") = "8"
    & skf18("9","8","9","5","1","8","1") = "8"
    & skf18("9","8","9","5","1","9","1") = "8"
    & skf18("9","8","9","5","1","10","1") = "9"
    & skf18("9","8","9","5","2","1","1") = "8"
    & skf18("9","8","9","5","2","2","1") = "8"
    & skf18("9","8","9","5","2","3","1") = "8"
    & skf18("9","8","9","5","2","4","1") = "8"
    & skf18("9","8","9","5","2","5","1") = "8"
    & skf18("9","8","9","5","2","6","1") = "8"
    & skf18("9","8","9","5","2","7","1") = "8"
    & skf18("9","8","9","5","2","8","1") = "8"
    & skf18("9","8","9","5","2","9","1") = "8"
    & skf18("9","8","9","5","2","10","1") = "9"
    & skf18("9","8","9","5","3","1","1") = "8"
    & skf18("9","8","9","5","3","2","1") = "8"
    & skf18("9","8","9","5","3","3","1") = "8"
    & skf18("9","8","9","5","3","4","1") = "8"
    & skf18("9","8","9","5","3","5","1") = "8"
    & skf18("9","8","9","5","3","6","1") = "8"
    & skf18("9","8","9","5","3","7","1") = "8"
    & skf18("9","8","9","5","3","8","1") = "8"
    & skf18("9","8","9","5","3","9","1") = "8"
    & skf18("9","8","9","5","3","10","1") = "9"
    & skf18("9","8","9","5","4","1","1") = "8"
    & skf18("9","8","9","5","4","2","1") = "8"
    & skf18("9","8","9","5","4","3","1") = "8"
    & skf18("9","8","9","5","4","4","1") = "8"
    & skf18("9","8","9","5","4","5","1") = "8"
    & skf18("9","8","9","5","4","6","1") = "8"
    & skf18("9","8","9","5","4","7","1") = "8"
    & skf18("9","8","9","5","4","8","1") = "8"
    & skf18("9","8","9","5","4","9","1") = "8"
    & skf18("9","8","9","5","4","10","1") = "9"
    & skf18("9","8","9","5","5","1","1") = "8"
    & skf18("9","8","9","5","5","2","1") = "8"
    & skf18("9","8","9","5","5","3","1") = "8"
    & skf18("9","8","9","5","5","4","1") = "8"
    & skf18("9","8","9","5","5","5","1") = "8"
    & skf18("9","8","9","5","5","6","1") = "8"
    & skf18("9","8","9","5","5","7","1") = "8"
    & skf18("9","8","9","5","5","8","1") = "8"
    & skf18("9","8","9","5","5","9","1") = "8"
    & skf18("9","8","9","5","5","10","1") = "9"
    & skf18("9","8","9","5","6","1","1") = "8"
    & skf18("9","8","9","5","6","2","1") = "8"
    & skf18("9","8","9","5","6","3","1") = "8"
    & skf18("9","8","9","5","6","4","1") = "8"
    & skf18("9","8","9","5","6","5","1") = "8"
    & skf18("9","8","9","5","6","6","1") = "8"
    & skf18("9","8","9","5","6","7","1") = "8"
    & skf18("9","8","9","5","6","8","1") = "8"
    & skf18("9","8","9","5","6","9","1") = "8"
    & skf18("9","8","9","5","6","10","1") = "9"
    & skf18("9","8","9","5","7","1","1") = "8"
    & skf18("9","8","9","5","7","2","1") = "8"
    & skf18("9","8","9","5","7","3","1") = "8"
    & skf18("9","8","9","5","7","4","1") = "8"
    & skf18("9","8","9","5","7","5","1") = "8"
    & skf18("9","8","9","5","7","6","1") = "8"
    & skf18("9","8","9","5","7","7","1") = "8"
    & skf18("9","8","9","5","7","8","1") = "8"
    & skf18("9","8","9","5","7","9","1") = "8"
    & skf18("9","8","9","5","7","10","1") = "9"
    & skf18("9","8","9","5","8","1","1") = "8"
    & skf18("9","8","9","5","8","2","1") = "8"
    & skf18("9","8","9","5","8","3","1") = "8"
    & skf18("9","8","9","5","8","4","1") = "8"
    & skf18("9","8","9","5","8","5","1") = "8"
    & skf18("9","8","9","5","8","6","1") = "8"
    & skf18("9","8","9","5","8","7","1") = "8"
    & skf18("9","8","9","5","8","8","1") = "8"
    & skf18("9","8","9","5","8","9","1") = "8"
    & skf18("9","8","9","5","8","10","1") = "9"
    & skf18("9","8","9","5","9","1","1") = "8"
    & skf18("9","8","9","5","9","2","1") = "8"
    & skf18("9","8","9","5","9","3","1") = "8"
    & skf18("9","8","9","5","9","4","1") = "8"
    & skf18("9","8","9","5","9","5","1") = "8"
    & skf18("9","8","9","5","9","6","1") = "8"
    & skf18("9","8","9","5","9","7","1") = "8"
    & skf18("9","8","9","5","9","8","1") = "8"
    & skf18("9","8","9","5","9","9","1") = "8"
    & skf18("9","8","9","5","9","10","1") = "9"
    & skf18("9","8","9","5","10","1","1") = "9"
    & skf18("9","8","9","5","10","2","1") = "9"
    & skf18("9","8","9","5","10","3","1") = "9"
    & skf18("9","8","9","5","10","4","1") = "9"
    & skf18("9","8","9","5","10","5","1") = "9"
    & skf18("9","8","9","5","10","6","1") = "9"
    & skf18("9","8","9","5","10","7","1") = "9"
    & skf18("9","8","9","5","10","8","1") = "9"
    & skf18("9","8","9","5","10","9","1") = "9"
    & skf18("9","8","9","5","10","10","1") = "9"
    & skf18("9","8","9","6","1","1","1") = "8"
    & skf18("9","8","9","6","1","2","1") = "8"
    & skf18("9","8","9","6","1","3","1") = "8"
    & skf18("9","8","9","6","1","4","1") = "8"
    & skf18("9","8","9","6","1","5","1") = "8"
    & skf18("9","8","9","6","1","6","1") = "8"
    & skf18("9","8","9","6","1","7","1") = "8"
    & skf18("9","8","9","6","1","8","1") = "8"
    & skf18("9","8","9","6","1","9","1") = "8"
    & skf18("9","8","9","6","1","10","1") = "9"
    & skf18("9","8","9","6","2","1","1") = "8"
    & skf18("9","8","9","6","2","2","1") = "8"
    & skf18("9","8","9","6","2","3","1") = "8"
    & skf18("9","8","9","6","2","4","1") = "8"
    & skf18("9","8","9","6","2","5","1") = "8"
    & skf18("9","8","9","6","2","6","1") = "8"
    & skf18("9","8","9","6","2","7","1") = "8"
    & skf18("9","8","9","6","2","8","1") = "8"
    & skf18("9","8","9","6","2","9","1") = "8"
    & skf18("9","8","9","6","2","10","1") = "9"
    & skf18("9","8","9","6","3","1","1") = "8"
    & skf18("9","8","9","6","3","2","1") = "8"
    & skf18("9","8","9","6","3","3","1") = "8"
    & skf18("9","8","9","6","3","4","1") = "8"
    & skf18("9","8","9","6","3","5","1") = "8"
    & skf18("9","8","9","6","3","6","1") = "8"
    & skf18("9","8","9","6","3","7","1") = "8"
    & skf18("9","8","9","6","3","8","1") = "8"
    & skf18("9","8","9","6","3","9","1") = "8"
    & skf18("9","8","9","6","3","10","1") = "9"
    & skf18("9","8","9","6","4","1","1") = "8"
    & skf18("9","8","9","6","4","2","1") = "8"
    & skf18("9","8","9","6","4","3","1") = "8"
    & skf18("9","8","9","6","4","4","1") = "8"
    & skf18("9","8","9","6","4","5","1") = "8"
    & skf18("9","8","9","6","4","6","1") = "8"
    & skf18("9","8","9","6","4","7","1") = "8"
    & skf18("9","8","9","6","4","8","1") = "8"
    & skf18("9","8","9","6","4","9","1") = "8"
    & skf18("9","8","9","6","4","10","1") = "9"
    & skf18("9","8","9","6","5","1","1") = "8"
    & skf18("9","8","9","6","5","2","1") = "8"
    & skf18("9","8","9","6","5","3","1") = "8"
    & skf18("9","8","9","6","5","4","1") = "8"
    & skf18("9","8","9","6","5","5","1") = "8"
    & skf18("9","8","9","6","5","6","1") = "8"
    & skf18("9","8","9","6","5","7","1") = "8"
    & skf18("9","8","9","6","5","8","1") = "8"
    & skf18("9","8","9","6","5","9","1") = "8"
    & skf18("9","8","9","6","5","10","1") = "9"
    & skf18("9","8","9","6","6","1","1") = "8"
    & skf18("9","8","9","6","6","2","1") = "8"
    & skf18("9","8","9","6","6","3","1") = "8"
    & skf18("9","8","9","6","6","4","1") = "8"
    & skf18("9","8","9","6","6","5","1") = "8"
    & skf18("9","8","9","6","6","6","1") = "8"
    & skf18("9","8","9","6","6","7","1") = "8"
    & skf18("9","8","9","6","6","8","1") = "8"
    & skf18("9","8","9","6","6","9","1") = "8"
    & skf18("9","8","9","6","6","10","1") = "9"
    & skf18("9","8","9","6","7","1","1") = "8"
    & skf18("9","8","9","6","7","2","1") = "8"
    & skf18("9","8","9","6","7","3","1") = "8"
    & skf18("9","8","9","6","7","4","1") = "8"
    & skf18("9","8","9","6","7","5","1") = "8"
    & skf18("9","8","9","6","7","6","1") = "8"
    & skf18("9","8","9","6","7","7","1") = "8"
    & skf18("9","8","9","6","7","8","1") = "8"
    & skf18("9","8","9","6","7","9","1") = "8"
    & skf18("9","8","9","6","7","10","1") = "9"
    & skf18("9","8","9","6","8","1","1") = "8"
    & skf18("9","8","9","6","8","2","1") = "8"
    & skf18("9","8","9","6","8","3","1") = "8"
    & skf18("9","8","9","6","8","4","1") = "8"
    & skf18("9","8","9","6","8","5","1") = "8"
    & skf18("9","8","9","6","8","6","1") = "8"
    & skf18("9","8","9","6","8","7","1") = "8"
    & skf18("9","8","9","6","8","8","1") = "8"
    & skf18("9","8","9","6","8","9","1") = "8"
    & skf18("9","8","9","6","8","10","1") = "9"
    & skf18("9","8","9","6","9","1","1") = "8"
    & skf18("9","8","9","6","9","2","1") = "8"
    & skf18("9","8","9","6","9","3","1") = "8"
    & skf18("9","8","9","6","9","4","1") = "8"
    & skf18("9","8","9","6","9","5","1") = "8"
    & skf18("9","8","9","6","9","6","1") = "8"
    & skf18("9","8","9","6","9","7","1") = "8"
    & skf18("9","8","9","6","9","8","1") = "8"
    & skf18("9","8","9","6","9","9","1") = "8"
    & skf18("9","8","9","6","9","10","1") = "9"
    & skf18("9","8","9","6","10","1","1") = "9"
    & skf18("9","8","9","6","10","2","1") = "9"
    & skf18("9","8","9","6","10","3","1") = "9"
    & skf18("9","8","9","6","10","4","1") = "9"
    & skf18("9","8","9","6","10","5","1") = "9"
    & skf18("9","8","9","6","10","6","1") = "9"
    & skf18("9","8","9","6","10","7","1") = "9"
    & skf18("9","8","9","6","10","8","1") = "9"
    & skf18("9","8","9","6","10","9","1") = "9"
    & skf18("9","8","9","6","10","10","1") = "9"
    & skf18("9","8","9","7","1","1","1") = "8"
    & skf18("9","8","9","7","1","2","1") = "8"
    & skf18("9","8","9","7","1","3","1") = "8"
    & skf18("9","8","9","7","1","4","1") = "8"
    & skf18("9","8","9","7","1","5","1") = "8"
    & skf18("9","8","9","7","1","6","1") = "8"
    & skf18("9","8","9","7","1","7","1") = "8"
    & skf18("9","8","9","7","1","8","1") = "8"
    & skf18("9","8","9","7","1","9","1") = "8"
    & skf18("9","8","9","7","1","10","1") = "9"
    & skf18("9","8","9","7","2","1","1") = "8"
    & skf18("9","8","9","7","2","2","1") = "8"
    & skf18("9","8","9","7","2","3","1") = "8"
    & skf18("9","8","9","7","2","4","1") = "8"
    & skf18("9","8","9","7","2","5","1") = "8"
    & skf18("9","8","9","7","2","6","1") = "8"
    & skf18("9","8","9","7","2","7","1") = "8"
    & skf18("9","8","9","7","2","8","1") = "8"
    & skf18("9","8","9","7","2","9","1") = "8"
    & skf18("9","8","9","7","2","10","1") = "9"
    & skf18("9","8","9","7","3","1","1") = "8"
    & skf18("9","8","9","7","3","2","1") = "8"
    & skf18("9","8","9","7","3","3","1") = "8"
    & skf18("9","8","9","7","3","4","1") = "8"
    & skf18("9","8","9","7","3","5","1") = "8"
    & skf18("9","8","9","7","3","6","1") = "8"
    & skf18("9","8","9","7","3","7","1") = "8"
    & skf18("9","8","9","7","3","8","1") = "8"
    & skf18("9","8","9","7","3","9","1") = "8"
    & skf18("9","8","9","7","3","10","1") = "9"
    & skf18("9","8","9","7","4","1","1") = "8"
    & skf18("9","8","9","7","4","2","1") = "8"
    & skf18("9","8","9","7","4","3","1") = "8"
    & skf18("9","8","9","7","4","4","1") = "8"
    & skf18("9","8","9","7","4","5","1") = "8"
    & skf18("9","8","9","7","4","6","1") = "8"
    & skf18("9","8","9","7","4","7","1") = "8"
    & skf18("9","8","9","7","4","8","1") = "8"
    & skf18("9","8","9","7","4","9","1") = "8"
    & skf18("9","8","9","7","4","10","1") = "9"
    & skf18("9","8","9","7","5","1","1") = "8"
    & skf18("9","8","9","7","5","2","1") = "8"
    & skf18("9","8","9","7","5","3","1") = "8"
    & skf18("9","8","9","7","5","4","1") = "8"
    & skf18("9","8","9","7","5","5","1") = "8"
    & skf18("9","8","9","7","5","6","1") = "8"
    & skf18("9","8","9","7","5","7","1") = "8"
    & skf18("9","8","9","7","5","8","1") = "8"
    & skf18("9","8","9","7","5","9","1") = "8"
    & skf18("9","8","9","7","5","10","1") = "9"
    & skf18("9","8","9","7","6","1","1") = "8"
    & skf18("9","8","9","7","6","2","1") = "8"
    & skf18("9","8","9","7","6","3","1") = "8"
    & skf18("9","8","9","7","6","4","1") = "8"
    & skf18("9","8","9","7","6","5","1") = "8"
    & skf18("9","8","9","7","6","6","1") = "8"
    & skf18("9","8","9","7","6","7","1") = "8"
    & skf18("9","8","9","7","6","8","1") = "8"
    & skf18("9","8","9","7","6","9","1") = "8"
    & skf18("9","8","9","7","6","10","1") = "9"
    & skf18("9","8","9","7","7","1","1") = "8"
    & skf18("9","8","9","7","7","2","1") = "8"
    & skf18("9","8","9","7","7","3","1") = "8"
    & skf18("9","8","9","7","7","4","1") = "8"
    & skf18("9","8","9","7","7","5","1") = "8"
    & skf18("9","8","9","7","7","6","1") = "8"
    & skf18("9","8","9","7","7","7","1") = "8"
    & skf18("9","8","9","7","7","8","1") = "8"
    & skf18("9","8","9","7","7","9","1") = "8"
    & skf18("9","8","9","7","7","10","1") = "9"
    & skf18("9","8","9","7","8","1","1") = "8"
    & skf18("9","8","9","7","8","2","1") = "8"
    & skf18("9","8","9","7","8","3","1") = "8"
    & skf18("9","8","9","7","8","4","1") = "8"
    & skf18("9","8","9","7","8","5","1") = "8"
    & skf18("9","8","9","7","8","6","1") = "8"
    & skf18("9","8","9","7","8","7","1") = "8"
    & skf18("9","8","9","7","8","8","1") = "8"
    & skf18("9","8","9","7","8","9","1") = "8"
    & skf18("9","8","9","7","8","10","1") = "9"
    & skf18("9","8","9","7","9","1","1") = "8"
    & skf18("9","8","9","7","9","2","1") = "8"
    & skf18("9","8","9","7","9","3","1") = "8"
    & skf18("9","8","9","7","9","4","1") = "8"
    & skf18("9","8","9","7","9","5","1") = "8"
    & skf18("9","8","9","7","9","6","1") = "8"
    & skf18("9","8","9","7","9","7","1") = "8"
    & skf18("9","8","9","7","9","8","1") = "8"
    & skf18("9","8","9","7","9","9","1") = "8"
    & skf18("9","8","9","7","9","10","1") = "9"
    & skf18("9","8","9","7","10","1","1") = "9"
    & skf18("9","8","9","7","10","2","1") = "9"
    & skf18("9","8","9","7","10","3","1") = "9"
    & skf18("9","8","9","7","10","4","1") = "9"
    & skf18("9","8","9","7","10","5","1") = "9"
    & skf18("9","8","9","7","10","6","1") = "9"
    & skf18("9","8","9","7","10","7","1") = "9"
    & skf18("9","8","9","7","10","8","1") = "9"
    & skf18("9","8","9","7","10","9","1") = "9"
    & skf18("9","8","9","7","10","10","1") = "9"
    & skf18("9","8","9","8","1","1","1") = "8"
    & skf18("9","8","9","8","1","2","1") = "8"
    & skf18("9","8","9","8","1","3","1") = "8"
    & skf18("9","8","9","8","1","4","1") = "8"
    & skf18("9","8","9","8","1","5","1") = "8"
    & skf18("9","8","9","8","1","6","1") = "8"
    & skf18("9","8","9","8","1","7","1") = "8"
    & skf18("9","8","9","8","1","8","1") = "8"
    & skf18("9","8","9","8","1","9","1") = "8"
    & skf18("9","8","9","8","1","10","1") = "9"
    & skf18("9","8","9","8","2","1","1") = "8"
    & skf18("9","8","9","8","2","2","1") = "8"
    & skf18("9","8","9","8","2","3","1") = "8"
    & skf18("9","8","9","8","2","4","1") = "8"
    & skf18("9","8","9","8","2","5","1") = "8"
    & skf18("9","8","9","8","2","6","1") = "8"
    & skf18("9","8","9","8","2","7","1") = "8"
    & skf18("9","8","9","8","2","8","1") = "8"
    & skf18("9","8","9","8","2","9","1") = "8"
    & skf18("9","8","9","8","2","10","1") = "9"
    & skf18("9","8","9","8","3","1","1") = "8"
    & skf18("9","8","9","8","3","2","1") = "8"
    & skf18("9","8","9","8","3","3","1") = "8"
    & skf18("9","8","9","8","3","4","1") = "8"
    & skf18("9","8","9","8","3","5","1") = "8"
    & skf18("9","8","9","8","3","6","1") = "8"
    & skf18("9","8","9","8","3","7","1") = "8"
    & skf18("9","8","9","8","3","8","1") = "8"
    & skf18("9","8","9","8","3","9","1") = "8"
    & skf18("9","8","9","8","3","10","1") = "9"
    & skf18("9","8","9","8","4","1","1") = "8"
    & skf18("9","8","9","8","4","2","1") = "8"
    & skf18("9","8","9","8","4","3","1") = "8"
    & skf18("9","8","9","8","4","4","1") = "8"
    & skf18("9","8","9","8","4","5","1") = "8"
    & skf18("9","8","9","8","4","6","1") = "8"
    & skf18("9","8","9","8","4","7","1") = "8"
    & skf18("9","8","9","8","4","8","1") = "8"
    & skf18("9","8","9","8","4","9","1") = "8"
    & skf18("9","8","9","8","4","10","1") = "9"
    & skf18("9","8","9","8","5","1","1") = "8"
    & skf18("9","8","9","8","5","2","1") = "8"
    & skf18("9","8","9","8","5","3","1") = "8"
    & skf18("9","8","9","8","5","4","1") = "8"
    & skf18("9","8","9","8","5","5","1") = "8"
    & skf18("9","8","9","8","5","6","1") = "8"
    & skf18("9","8","9","8","5","7","1") = "8"
    & skf18("9","8","9","8","5","8","1") = "8"
    & skf18("9","8","9","8","5","9","1") = "8"
    & skf18("9","8","9","8","5","10","1") = "9"
    & skf18("9","8","9","8","6","1","1") = "8"
    & skf18("9","8","9","8","6","2","1") = "8"
    & skf18("9","8","9","8","6","3","1") = "8"
    & skf18("9","8","9","8","6","4","1") = "8"
    & skf18("9","8","9","8","6","5","1") = "8"
    & skf18("9","8","9","8","6","6","1") = "8"
    & skf18("9","8","9","8","6","7","1") = "8"
    & skf18("9","8","9","8","6","8","1") = "8"
    & skf18("9","8","9","8","6","9","1") = "8"
    & skf18("9","8","9","8","6","10","1") = "9"
    & skf18("9","8","9","8","7","1","1") = "8"
    & skf18("9","8","9","8","7","2","1") = "8"
    & skf18("9","8","9","8","7","3","1") = "8"
    & skf18("9","8","9","8","7","4","1") = "8"
    & skf18("9","8","9","8","7","5","1") = "8"
    & skf18("9","8","9","8","7","6","1") = "8"
    & skf18("9","8","9","8","7","7","1") = "8"
    & skf18("9","8","9","8","7","8","1") = "8"
    & skf18("9","8","9","8","7","9","1") = "8"
    & skf18("9","8","9","8","7","10","1") = "9"
    & skf18("9","8","9","8","8","1","1") = "8"
    & skf18("9","8","9","8","8","2","1") = "8"
    & skf18("9","8","9","8","8","3","1") = "8"
    & skf18("9","8","9","8","8","4","1") = "8"
    & skf18("9","8","9","8","8","5","1") = "8"
    & skf18("9","8","9","8","8","6","1") = "8"
    & skf18("9","8","9","8","8","7","1") = "8"
    & skf18("9","8","9","8","8","8","1") = "8"
    & skf18("9","8","9","8","8","9","1") = "8"
    & skf18("9","8","9","8","8","10","1") = "9"
    & skf18("9","8","9","8","9","1","1") = "8"
    & skf18("9","8","9","8","9","2","1") = "8"
    & skf18("9","8","9","8","9","3","1") = "8"
    & skf18("9","8","9","8","9","4","1") = "8"
    & skf18("9","8","9","8","9","5","1") = "8"
    & skf18("9","8","9","8","9","6","1") = "8"
    & skf18("9","8","9","8","9","7","1") = "8"
    & skf18("9","8","9","8","9","8","1") = "8"
    & skf18("9","8","9","8","9","9","1") = "8"
    & skf18("9","8","9","8","9","10","1") = "9"
    & skf18("9","8","9","8","10","1","1") = "9"
    & skf18("9","8","9","8","10","2","1") = "9"
    & skf18("9","8","9","8","10","3","1") = "9"
    & skf18("9","8","9","8","10","4","1") = "9"
    & skf18("9","8","9","8","10","5","1") = "9"
    & skf18("9","8","9","8","10","6","1") = "9"
    & skf18("9","8","9","8","10","7","1") = "9"
    & skf18("9","8","9","8","10","8","1") = "9"
    & skf18("9","8","9","8","10","9","1") = "9"
    & skf18("9","8","9","8","10","10","1") = "9"
    & skf18("9","8","9","9","1","1","1") = "8"
    & skf18("9","8","9","9","1","2","1") = "8"
    & skf18("9","8","9","9","1","3","1") = "8"
    & skf18("9","8","9","9","1","4","1") = "8"
    & skf18("9","8","9","9","1","5","1") = "8"
    & skf18("9","8","9","9","1","6","1") = "8"
    & skf18("9","8","9","9","1","7","1") = "8"
    & skf18("9","8","9","9","1","8","1") = "8"
    & skf18("9","8","9","9","1","9","1") = "8"
    & skf18("9","8","9","9","1","10","1") = "9"
    & skf18("9","8","9","9","2","1","1") = "8"
    & skf18("9","8","9","9","2","2","1") = "8"
    & skf18("9","8","9","9","2","3","1") = "8"
    & skf18("9","8","9","9","2","4","1") = "8"
    & skf18("9","8","9","9","2","5","1") = "8"
    & skf18("9","8","9","9","2","6","1") = "8"
    & skf18("9","8","9","9","2","7","1") = "8"
    & skf18("9","8","9","9","2","8","1") = "8"
    & skf18("9","8","9","9","2","9","1") = "8"
    & skf18("9","8","9","9","2","10","1") = "9"
    & skf18("9","8","9","9","3","1","1") = "8"
    & skf18("9","8","9","9","3","2","1") = "8"
    & skf18("9","8","9","9","3","3","1") = "8"
    & skf18("9","8","9","9","3","4","1") = "8"
    & skf18("9","8","9","9","3","5","1") = "8"
    & skf18("9","8","9","9","3","6","1") = "8"
    & skf18("9","8","9","9","3","7","1") = "8"
    & skf18("9","8","9","9","3","8","1") = "8"
    & skf18("9","8","9","9","3","9","1") = "8"
    & skf18("9","8","9","9","3","10","1") = "9"
    & skf18("9","8","9","9","4","1","1") = "8"
    & skf18("9","8","9","9","4","2","1") = "8"
    & skf18("9","8","9","9","4","3","1") = "8"
    & skf18("9","8","9","9","4","4","1") = "8"
    & skf18("9","8","9","9","4","5","1") = "8"
    & skf18("9","8","9","9","4","6","1") = "8"
    & skf18("9","8","9","9","4","7","1") = "8"
    & skf18("9","8","9","9","4","8","1") = "8"
    & skf18("9","8","9","9","4","9","1") = "8"
    & skf18("9","8","9","9","4","10","1") = "9"
    & skf18("9","8","9","9","5","1","1") = "8"
    & skf18("9","8","9","9","5","2","1") = "8"
    & skf18("9","8","9","9","5","3","1") = "8"
    & skf18("9","8","9","9","5","4","1") = "8"
    & skf18("9","8","9","9","5","5","1") = "8"
    & skf18("9","8","9","9","5","6","1") = "8"
    & skf18("9","8","9","9","5","7","1") = "8"
    & skf18("9","8","9","9","5","8","1") = "8"
    & skf18("9","8","9","9","5","9","1") = "8"
    & skf18("9","8","9","9","5","10","1") = "9"
    & skf18("9","8","9","9","6","1","1") = "8"
    & skf18("9","8","9","9","6","2","1") = "8"
    & skf18("9","8","9","9","6","3","1") = "8"
    & skf18("9","8","9","9","6","4","1") = "8"
    & skf18("9","8","9","9","6","5","1") = "8"
    & skf18("9","8","9","9","6","6","1") = "8"
    & skf18("9","8","9","9","6","7","1") = "8"
    & skf18("9","8","9","9","6","8","1") = "8"
    & skf18("9","8","9","9","6","9","1") = "8"
    & skf18("9","8","9","9","6","10","1") = "9"
    & skf18("9","8","9","9","7","1","1") = "8"
    & skf18("9","8","9","9","7","2","1") = "8"
    & skf18("9","8","9","9","7","3","1") = "8"
    & skf18("9","8","9","9","7","4","1") = "8"
    & skf18("9","8","9","9","7","5","1") = "8"
    & skf18("9","8","9","9","7","6","1") = "8"
    & skf18("9","8","9","9","7","7","1") = "8"
    & skf18("9","8","9","9","7","8","1") = "8"
    & skf18("9","8","9","9","7","9","1") = "8"
    & skf18("9","8","9","9","7","10","1") = "9"
    & skf18("9","8","9","9","8","1","1") = "8"
    & skf18("9","8","9","9","8","2","1") = "8"
    & skf18("9","8","9","9","8","3","1") = "8"
    & skf18("9","8","9","9","8","4","1") = "8"
    & skf18("9","8","9","9","8","5","1") = "8"
    & skf18("9","8","9","9","8","6","1") = "8"
    & skf18("9","8","9","9","8","7","1") = "8"
    & skf18("9","8","9","9","8","8","1") = "8"
    & skf18("9","8","9","9","8","9","1") = "8"
    & skf18("9","8","9","9","8","10","1") = "9"
    & skf18("9","8","9","9","9","1","1") = "8"
    & skf18("9","8","9","9","9","2","1") = "8"
    & skf18("9","8","9","9","9","3","1") = "8"
    & skf18("9","8","9","9","9","4","1") = "8"
    & skf18("9","8","9","9","9","5","1") = "8"
    & skf18("9","8","9","9","9","6","1") = "8"
    & skf18("9","8","9","9","9","7","1") = "8"
    & skf18("9","8","9","9","9","8","1") = "8"
    & skf18("9","8","9","9","9","9","1") = "8"
    & skf18("9","8","9","9","9","10","1") = "9"
    & skf18("9","8","9","9","10","1","1") = "9"
    & skf18("9","8","9","9","10","2","1") = "9"
    & skf18("9","8","9","9","10","3","1") = "9"
    & skf18("9","8","9","9","10","4","1") = "9"
    & skf18("9","8","9","9","10","5","1") = "9"
    & skf18("9","8","9","9","10","6","1") = "9"
    & skf18("9","8","9","9","10","7","1") = "9"
    & skf18("9","8","9","9","10","8","1") = "9"
    & skf18("9","8","9","9","10","9","1") = "9"
    & skf18("9","8","9","9","10","10","1") = "9"
    & skf18("9","8","9","10","1","1","1") = "9"
    & skf18("9","8","9","10","1","2","1") = "9"
    & skf18("9","8","9","10","1","3","1") = "9"
    & skf18("9","8","9","10","1","4","1") = "9"
    & skf18("9","8","9","10","1","5","1") = "9"
    & skf18("9","8","9","10","1","6","1") = "9"
    & skf18("9","8","9","10","1","7","1") = "9"
    & skf18("9","8","9","10","1","8","1") = "9"
    & skf18("9","8","9","10","1","9","1") = "9"
    & skf18("9","8","9","10","1","10","1") = "9"
    & skf18("9","8","9","10","2","1","1") = "9"
    & skf18("9","8","9","10","2","2","1") = "9"
    & skf18("9","8","9","10","2","3","1") = "9"
    & skf18("9","8","9","10","2","4","1") = "9"
    & skf18("9","8","9","10","2","5","1") = "9"
    & skf18("9","8","9","10","2","6","1") = "9"
    & skf18("9","8","9","10","2","7","1") = "9"
    & skf18("9","8","9","10","2","8","1") = "9"
    & skf18("9","8","9","10","2","9","1") = "9"
    & skf18("9","8","9","10","2","10","1") = "9"
    & skf18("9","8","9","10","3","1","1") = "9"
    & skf18("9","8","9","10","3","2","1") = "9"
    & skf18("9","8","9","10","3","3","1") = "9"
    & skf18("9","8","9","10","3","4","1") = "9"
    & skf18("9","8","9","10","3","5","1") = "9"
    & skf18("9","8","9","10","3","6","1") = "9"
    & skf18("9","8","9","10","3","7","1") = "9"
    & skf18("9","8","9","10","3","8","1") = "9"
    & skf18("9","8","9","10","3","9","1") = "9"
    & skf18("9","8","9","10","3","10","1") = "9"
    & skf18("9","8","9","10","4","1","1") = "9"
    & skf18("9","8","9","10","4","2","1") = "9"
    & skf18("9","8","9","10","4","3","1") = "9"
    & skf18("9","8","9","10","4","4","1") = "9"
    & skf18("9","8","9","10","4","5","1") = "9"
    & skf18("9","8","9","10","4","6","1") = "9"
    & skf18("9","8","9","10","4","7","1") = "9"
    & skf18("9","8","9","10","4","8","1") = "9"
    & skf18("9","8","9","10","4","9","1") = "9"
    & skf18("9","8","9","10","4","10","1") = "9"
    & skf18("9","8","9","10","5","1","1") = "9"
    & skf18("9","8","9","10","5","2","1") = "9"
    & skf18("9","8","9","10","5","3","1") = "9"
    & skf18("9","8","9","10","5","4","1") = "9"
    & skf18("9","8","9","10","5","5","1") = "9"
    & skf18("9","8","9","10","5","6","1") = "9"
    & skf18("9","8","9","10","5","7","1") = "9"
    & skf18("9","8","9","10","5","8","1") = "9"
    & skf18("9","8","9","10","5","9","1") = "9"
    & skf18("9","8","9","10","5","10","1") = "9"
    & skf18("9","8","9","10","6","1","1") = "9"
    & skf18("9","8","9","10","6","2","1") = "9"
    & skf18("9","8","9","10","6","3","1") = "9"
    & skf18("9","8","9","10","6","4","1") = "9"
    & skf18("9","8","9","10","6","5","1") = "9"
    & skf18("9","8","9","10","6","6","1") = "9"
    & skf18("9","8","9","10","6","7","1") = "9"
    & skf18("9","8","9","10","6","8","1") = "9"
    & skf18("9","8","9","10","6","9","1") = "9"
    & skf18("9","8","9","10","6","10","1") = "9"
    & skf18("9","8","9","10","7","1","1") = "9"
    & skf18("9","8","9","10","7","2","1") = "9"
    & skf18("9","8","9","10","7","3","1") = "9"
    & skf18("9","8","9","10","7","4","1") = "9"
    & skf18("9","8","9","10","7","5","1") = "9"
    & skf18("9","8","9","10","7","6","1") = "9"
    & skf18("9","8","9","10","7","7","1") = "9"
    & skf18("9","8","9","10","7","8","1") = "9"
    & skf18("9","8","9","10","7","9","1") = "9"
    & skf18("9","8","9","10","7","10","1") = "9"
    & skf18("9","8","9","10","8","1","1") = "9"
    & skf18("9","8","9","10","8","2","1") = "9"
    & skf18("9","8","9","10","8","3","1") = "9"
    & skf18("9","8","9","10","8","4","1") = "9"
    & skf18("9","8","9","10","8","5","1") = "9"
    & skf18("9","8","9","10","8","6","1") = "9"
    & skf18("9","8","9","10","8","7","1") = "9"
    & skf18("9","8","9","10","8","8","1") = "9"
    & skf18("9","8","9","10","8","9","1") = "9"
    & skf18("9","8","9","10","8","10","1") = "9"
    & skf18("9","8","9","10","9","1","1") = "9"
    & skf18("9","8","9","10","9","2","1") = "9"
    & skf18("9","8","9","10","9","3","1") = "9"
    & skf18("9","8","9","10","9","4","1") = "9"
    & skf18("9","8","9","10","9","5","1") = "9"
    & skf18("9","8","9","10","9","6","1") = "9"
    & skf18("9","8","9","10","9","7","1") = "9"
    & skf18("9","8","9","10","9","8","1") = "9"
    & skf18("9","8","9","10","9","9","1") = "9"
    & skf18("9","8","9","10","9","10","1") = "9"
    & skf18("9","8","9","10","10","1","1") = "9"
    & skf18("9","8","9","10","10","2","1") = "9"
    & skf18("9","8","9","10","10","3","1") = "9"
    & skf18("9","8","9","10","10","4","1") = "9"
    & skf18("9","8","9","10","10","5","1") = "9"
    & skf18("9","8","9","10","10","6","1") = "9"
    & skf18("9","8","9","10","10","7","1") = "9"
    & skf18("9","8","9","10","10","8","1") = "9"
    & skf18("9","8","9","10","10","9","1") = "9"
    & skf18("9","8","9","10","10","10","1") = "9"
    & skf18("9","8","10","1","1","1","1") = "9"
    & skf18("9","8","10","1","1","2","1") = "9"
    & skf18("9","8","10","1","1","3","1") = "9"
    & skf18("9","8","10","1","1","4","1") = "9"
    & skf18("9","8","10","1","1","5","1") = "9"
    & skf18("9","8","10","1","1","6","1") = "9"
    & skf18("9","8","10","1","1","7","1") = "9"
    & skf18("9","8","10","1","1","8","1") = "9"
    & skf18("9","8","10","1","1","9","1") = "9"
    & skf18("9","8","10","1","1","10","1") = "9"
    & skf18("9","8","10","1","2","1","1") = "9"
    & skf18("9","8","10","1","2","2","1") = "9"
    & skf18("9","8","10","1","2","3","1") = "9"
    & skf18("9","8","10","1","2","4","1") = "9"
    & skf18("9","8","10","1","2","5","1") = "9"
    & skf18("9","8","10","1","2","6","1") = "9"
    & skf18("9","8","10","1","2","7","1") = "9"
    & skf18("9","8","10","1","2","8","1") = "9"
    & skf18("9","8","10","1","2","9","1") = "9"
    & skf18("9","8","10","1","2","10","1") = "9"
    & skf18("9","8","10","1","3","1","1") = "9"
    & skf18("9","8","10","1","3","2","1") = "9"
    & skf18("9","8","10","1","3","3","1") = "9"
    & skf18("9","8","10","1","3","4","1") = "9"
    & skf18("9","8","10","1","3","5","1") = "9"
    & skf18("9","8","10","1","3","6","1") = "9"
    & skf18("9","8","10","1","3","7","1") = "9"
    & skf18("9","8","10","1","3","8","1") = "9"
    & skf18("9","8","10","1","3","9","1") = "9"
    & skf18("9","8","10","1","3","10","1") = "9"
    & skf18("9","8","10","1","4","1","1") = "9"
    & skf18("9","8","10","1","4","2","1") = "9"
    & skf18("9","8","10","1","4","3","1") = "9"
    & skf18("9","8","10","1","4","4","1") = "9"
    & skf18("9","8","10","1","4","5","1") = "9"
    & skf18("9","8","10","1","4","6","1") = "9"
    & skf18("9","8","10","1","4","7","1") = "9"
    & skf18("9","8","10","1","4","8","1") = "9"
    & skf18("9","8","10","1","4","9","1") = "9"
    & skf18("9","8","10","1","4","10","1") = "9"
    & skf18("9","8","10","1","5","1","1") = "9"
    & skf18("9","8","10","1","5","2","1") = "9"
    & skf18("9","8","10","1","5","3","1") = "9"
    & skf18("9","8","10","1","5","4","1") = "9"
    & skf18("9","8","10","1","5","5","1") = "9"
    & skf18("9","8","10","1","5","6","1") = "9"
    & skf18("9","8","10","1","5","7","1") = "9"
    & skf18("9","8","10","1","5","8","1") = "9"
    & skf18("9","8","10","1","5","9","1") = "9"
    & skf18("9","8","10","1","5","10","1") = "9"
    & skf18("9","8","10","1","6","1","1") = "9"
    & skf18("9","8","10","1","6","2","1") = "9"
    & skf18("9","8","10","1","6","3","1") = "9"
    & skf18("9","8","10","1","6","4","1") = "9"
    & skf18("9","8","10","1","6","5","1") = "9"
    & skf18("9","8","10","1","6","6","1") = "9"
    & skf18("9","8","10","1","6","7","1") = "9"
    & skf18("9","8","10","1","6","8","1") = "9"
    & skf18("9","8","10","1","6","9","1") = "9"
    & skf18("9","8","10","1","6","10","1") = "9"
    & skf18("9","8","10","1","7","1","1") = "9"
    & skf18("9","8","10","1","7","2","1") = "9"
    & skf18("9","8","10","1","7","3","1") = "9"
    & skf18("9","8","10","1","7","4","1") = "9"
    & skf18("9","8","10","1","7","5","1") = "9"
    & skf18("9","8","10","1","7","6","1") = "9"
    & skf18("9","8","10","1","7","7","1") = "9"
    & skf18("9","8","10","1","7","8","1") = "9"
    & skf18("9","8","10","1","7","9","1") = "9"
    & skf18("9","8","10","1","7","10","1") = "9"
    & skf18("9","8","10","1","8","1","1") = "9"
    & skf18("9","8","10","1","8","2","1") = "9"
    & skf18("9","8","10","1","8","3","1") = "9"
    & skf18("9","8","10","1","8","4","1") = "9"
    & skf18("9","8","10","1","8","5","1") = "9"
    & skf18("9","8","10","1","8","6","1") = "9"
    & skf18("9","8","10","1","8","7","1") = "9"
    & skf18("9","8","10","1","8","8","1") = "9"
    & skf18("9","8","10","1","8","9","1") = "9"
    & skf18("9","8","10","1","8","10","1") = "9"
    & skf18("9","8","10","1","9","1","1") = "9"
    & skf18("9","8","10","1","9","2","1") = "9"
    & skf18("9","8","10","1","9","3","1") = "9"
    & skf18("9","8","10","1","9","4","1") = "9"
    & skf18("9","8","10","1","9","5","1") = "9"
    & skf18("9","8","10","1","9","6","1") = "9"
    & skf18("9","8","10","1","9","7","1") = "9"
    & skf18("9","8","10","1","9","8","1") = "9"
    & skf18("9","8","10","1","9","9","1") = "9"
    & skf18("9","8","10","1","9","10","1") = "9"
    & skf18("9","8","10","1","10","1","1") = "9"
    & skf18("9","8","10","1","10","2","1") = "9"
    & skf18("9","8","10","1","10","3","1") = "9"
    & skf18("9","8","10","1","10","4","1") = "9"
    & skf18("9","8","10","1","10","5","1") = "9"
    & skf18("9","8","10","1","10","6","1") = "9"
    & skf18("9","8","10","1","10","7","1") = "9"
    & skf18("9","8","10","1","10","8","1") = "9"
    & skf18("9","8","10","1","10","9","1") = "9"
    & skf18("9","8","10","1","10","10","1") = "9"
    & skf18("9","8","10","2","1","1","1") = "9"
    & skf18("9","8","10","2","1","2","1") = "9"
    & skf18("9","8","10","2","1","3","1") = "9"
    & skf18("9","8","10","2","1","4","1") = "9"
    & skf18("9","8","10","2","1","5","1") = "9"
    & skf18("9","8","10","2","1","6","1") = "9"
    & skf18("9","8","10","2","1","7","1") = "9"
    & skf18("9","8","10","2","1","8","1") = "9"
    & skf18("9","8","10","2","1","9","1") = "9"
    & skf18("9","8","10","2","1","10","1") = "9"
    & skf18("9","8","10","2","2","1","1") = "9"
    & skf18("9","8","10","2","2","2","1") = "9"
    & skf18("9","8","10","2","2","3","1") = "9"
    & skf18("9","8","10","2","2","4","1") = "9"
    & skf18("9","8","10","2","2","5","1") = "9"
    & skf18("9","8","10","2","2","6","1") = "9"
    & skf18("9","8","10","2","2","7","1") = "9"
    & skf18("9","8","10","2","2","8","1") = "9"
    & skf18("9","8","10","2","2","9","1") = "9"
    & skf18("9","8","10","2","2","10","1") = "9"
    & skf18("9","8","10","2","3","1","1") = "9"
    & skf18("9","8","10","2","3","2","1") = "9"
    & skf18("9","8","10","2","3","3","1") = "9"
    & skf18("9","8","10","2","3","4","1") = "9"
    & skf18("9","8","10","2","3","5","1") = "9"
    & skf18("9","8","10","2","3","6","1") = "9"
    & skf18("9","8","10","2","3","7","1") = "9"
    & skf18("9","8","10","2","3","8","1") = "9"
    & skf18("9","8","10","2","3","9","1") = "9"
    & skf18("9","8","10","2","3","10","1") = "9"
    & skf18("9","8","10","2","4","1","1") = "9"
    & skf18("9","8","10","2","4","2","1") = "9"
    & skf18("9","8","10","2","4","3","1") = "9"
    & skf18("9","8","10","2","4","4","1") = "9"
    & skf18("9","8","10","2","4","5","1") = "9"
    & skf18("9","8","10","2","4","6","1") = "9"
    & skf18("9","8","10","2","4","7","1") = "9"
    & skf18("9","8","10","2","4","8","1") = "9"
    & skf18("9","8","10","2","4","9","1") = "9"
    & skf18("9","8","10","2","4","10","1") = "9"
    & skf18("9","8","10","2","5","1","1") = "9"
    & skf18("9","8","10","2","5","2","1") = "9"
    & skf18("9","8","10","2","5","3","1") = "9"
    & skf18("9","8","10","2","5","4","1") = "9"
    & skf18("9","8","10","2","5","5","1") = "9"
    & skf18("9","8","10","2","5","6","1") = "9"
    & skf18("9","8","10","2","5","7","1") = "9"
    & skf18("9","8","10","2","5","8","1") = "9"
    & skf18("9","8","10","2","5","9","1") = "9"
    & skf18("9","8","10","2","5","10","1") = "9"
    & skf18("9","8","10","2","6","1","1") = "9"
    & skf18("9","8","10","2","6","2","1") = "9"
    & skf18("9","8","10","2","6","3","1") = "9"
    & skf18("9","8","10","2","6","4","1") = "9"
    & skf18("9","8","10","2","6","5","1") = "9"
    & skf18("9","8","10","2","6","6","1") = "9"
    & skf18("9","8","10","2","6","7","1") = "9"
    & skf18("9","8","10","2","6","8","1") = "9"
    & skf18("9","8","10","2","6","9","1") = "9"
    & skf18("9","8","10","2","6","10","1") = "9"
    & skf18("9","8","10","2","7","1","1") = "9"
    & skf18("9","8","10","2","7","2","1") = "9"
    & skf18("9","8","10","2","7","3","1") = "9"
    & skf18("9","8","10","2","7","4","1") = "9"
    & skf18("9","8","10","2","7","5","1") = "9"
    & skf18("9","8","10","2","7","6","1") = "9"
    & skf18("9","8","10","2","7","7","1") = "9"
    & skf18("9","8","10","2","7","8","1") = "9"
    & skf18("9","8","10","2","7","9","1") = "9"
    & skf18("9","8","10","2","7","10","1") = "9"
    & skf18("9","8","10","2","8","1","1") = "9"
    & skf18("9","8","10","2","8","2","1") = "9"
    & skf18("9","8","10","2","8","3","1") = "9"
    & skf18("9","8","10","2","8","4","1") = "9"
    & skf18("9","8","10","2","8","5","1") = "9"
    & skf18("9","8","10","2","8","6","1") = "9"
    & skf18("9","8","10","2","8","7","1") = "9"
    & skf18("9","8","10","2","8","8","1") = "9"
    & skf18("9","8","10","2","8","9","1") = "9"
    & skf18("9","8","10","2","8","10","1") = "9"
    & skf18("9","8","10","2","9","1","1") = "9"
    & skf18("9","8","10","2","9","2","1") = "9"
    & skf18("9","8","10","2","9","3","1") = "9"
    & skf18("9","8","10","2","9","4","1") = "9"
    & skf18("9","8","10","2","9","5","1") = "9"
    & skf18("9","8","10","2","9","6","1") = "9"
    & skf18("9","8","10","2","9","7","1") = "9"
    & skf18("9","8","10","2","9","8","1") = "9"
    & skf18("9","8","10","2","9","9","1") = "9"
    & skf18("9","8","10","2","9","10","1") = "9"
    & skf18("9","8","10","2","10","1","1") = "9"
    & skf18("9","8","10","2","10","2","1") = "9"
    & skf18("9","8","10","2","10","3","1") = "9"
    & skf18("9","8","10","2","10","4","1") = "9"
    & skf18("9","8","10","2","10","5","1") = "9"
    & skf18("9","8","10","2","10","6","1") = "9"
    & skf18("9","8","10","2","10","7","1") = "9"
    & skf18("9","8","10","2","10","8","1") = "9"
    & skf18("9","8","10","2","10","9","1") = "9"
    & skf18("9","8","10","2","10","10","1") = "9"
    & skf18("9","8","10","3","1","1","1") = "9"
    & skf18("9","8","10","3","1","2","1") = "9"
    & skf18("9","8","10","3","1","3","1") = "9"
    & skf18("9","8","10","3","1","4","1") = "9"
    & skf18("9","8","10","3","1","5","1") = "9"
    & skf18("9","8","10","3","1","6","1") = "9"
    & skf18("9","8","10","3","1","7","1") = "9"
    & skf18("9","8","10","3","1","8","1") = "9"
    & skf18("9","8","10","3","1","9","1") = "9"
    & skf18("9","8","10","3","1","10","1") = "9"
    & skf18("9","8","10","3","2","1","1") = "9"
    & skf18("9","8","10","3","2","2","1") = "9"
    & skf18("9","8","10","3","2","3","1") = "9"
    & skf18("9","8","10","3","2","4","1") = "9"
    & skf18("9","8","10","3","2","5","1") = "9"
    & skf18("9","8","10","3","2","6","1") = "9"
    & skf18("9","8","10","3","2","7","1") = "9"
    & skf18("9","8","10","3","2","8","1") = "9"
    & skf18("9","8","10","3","2","9","1") = "9"
    & skf18("9","8","10","3","2","10","1") = "9"
    & skf18("9","8","10","3","3","1","1") = "9"
    & skf18("9","8","10","3","3","2","1") = "9"
    & skf18("9","8","10","3","3","3","1") = "9"
    & skf18("9","8","10","3","3","4","1") = "9"
    & skf18("9","8","10","3","3","5","1") = "9"
    & skf18("9","8","10","3","3","6","1") = "9"
    & skf18("9","8","10","3","3","7","1") = "9"
    & skf18("9","8","10","3","3","8","1") = "9"
    & skf18("9","8","10","3","3","9","1") = "9"
    & skf18("9","8","10","3","3","10","1") = "9"
    & skf18("9","8","10","3","4","1","1") = "9"
    & skf18("9","8","10","3","4","2","1") = "9"
    & skf18("9","8","10","3","4","3","1") = "9"
    & skf18("9","8","10","3","4","4","1") = "9"
    & skf18("9","8","10","3","4","5","1") = "9"
    & skf18("9","8","10","3","4","6","1") = "9"
    & skf18("9","8","10","3","4","7","1") = "9"
    & skf18("9","8","10","3","4","8","1") = "9"
    & skf18("9","8","10","3","4","9","1") = "9"
    & skf18("9","8","10","3","4","10","1") = "9"
    & skf18("9","8","10","3","5","1","1") = "9"
    & skf18("9","8","10","3","5","2","1") = "9"
    & skf18("9","8","10","3","5","3","1") = "9"
    & skf18("9","8","10","3","5","4","1") = "9"
    & skf18("9","8","10","3","5","5","1") = "9"
    & skf18("9","8","10","3","5","6","1") = "9"
    & skf18("9","8","10","3","5","7","1") = "9"
    & skf18("9","8","10","3","5","8","1") = "9"
    & skf18("9","8","10","3","5","9","1") = "9"
    & skf18("9","8","10","3","5","10","1") = "9"
    & skf18("9","8","10","3","6","1","1") = "9"
    & skf18("9","8","10","3","6","2","1") = "9"
    & skf18("9","8","10","3","6","3","1") = "9"
    & skf18("9","8","10","3","6","4","1") = "9"
    & skf18("9","8","10","3","6","5","1") = "9"
    & skf18("9","8","10","3","6","6","1") = "9"
    & skf18("9","8","10","3","6","7","1") = "9"
    & skf18("9","8","10","3","6","8","1") = "9"
    & skf18("9","8","10","3","6","9","1") = "9"
    & skf18("9","8","10","3","6","10","1") = "9"
    & skf18("9","8","10","3","7","1","1") = "9"
    & skf18("9","8","10","3","7","2","1") = "9"
    & skf18("9","8","10","3","7","3","1") = "9"
    & skf18("9","8","10","3","7","4","1") = "9"
    & skf18("9","8","10","3","7","5","1") = "9"
    & skf18("9","8","10","3","7","6","1") = "9"
    & skf18("9","8","10","3","7","7","1") = "9"
    & skf18("9","8","10","3","7","8","1") = "9"
    & skf18("9","8","10","3","7","9","1") = "9"
    & skf18("9","8","10","3","7","10","1") = "9"
    & skf18("9","8","10","3","8","1","1") = "9"
    & skf18("9","8","10","3","8","2","1") = "9"
    & skf18("9","8","10","3","8","3","1") = "9"
    & skf18("9","8","10","3","8","4","1") = "9"
    & skf18("9","8","10","3","8","5","1") = "9"
    & skf18("9","8","10","3","8","6","1") = "9"
    & skf18("9","8","10","3","8","7","1") = "9"
    & skf18("9","8","10","3","8","8","1") = "9"
    & skf18("9","8","10","3","8","9","1") = "9"
    & skf18("9","8","10","3","8","10","1") = "9"
    & skf18("9","8","10","3","9","1","1") = "9"
    & skf18("9","8","10","3","9","2","1") = "9"
    & skf18("9","8","10","3","9","3","1") = "9"
    & skf18("9","8","10","3","9","4","1") = "9"
    & skf18("9","8","10","3","9","5","1") = "9"
    & skf18("9","8","10","3","9","6","1") = "9"
    & skf18("9","8","10","3","9","7","1") = "9"
    & skf18("9","8","10","3","9","8","1") = "9"
    & skf18("9","8","10","3","9","9","1") = "9"
    & skf18("9","8","10","3","9","10","1") = "9"
    & skf18("9","8","10","3","10","1","1") = "9"
    & skf18("9","8","10","3","10","2","1") = "9"
    & skf18("9","8","10","3","10","3","1") = "9"
    & skf18("9","8","10","3","10","4","1") = "9"
    & skf18("9","8","10","3","10","5","1") = "9"
    & skf18("9","8","10","3","10","6","1") = "9"
    & skf18("9","8","10","3","10","7","1") = "9"
    & skf18("9","8","10","3","10","8","1") = "9"
    & skf18("9","8","10","3","10","9","1") = "9"
    & skf18("9","8","10","3","10","10","1") = "9"
    & skf18("9","8","10","4","1","1","1") = "9"
    & skf18("9","8","10","4","1","2","1") = "9"
    & skf18("9","8","10","4","1","3","1") = "9"
    & skf18("9","8","10","4","1","4","1") = "9"
    & skf18("9","8","10","4","1","5","1") = "9"
    & skf18("9","8","10","4","1","6","1") = "9"
    & skf18("9","8","10","4","1","7","1") = "9"
    & skf18("9","8","10","4","1","8","1") = "9"
    & skf18("9","8","10","4","1","9","1") = "9"
    & skf18("9","8","10","4","1","10","1") = "9"
    & skf18("9","8","10","4","2","1","1") = "9"
    & skf18("9","8","10","4","2","2","1") = "9"
    & skf18("9","8","10","4","2","3","1") = "9"
    & skf18("9","8","10","4","2","4","1") = "9"
    & skf18("9","8","10","4","2","5","1") = "9"
    & skf18("9","8","10","4","2","6","1") = "9"
    & skf18("9","8","10","4","2","7","1") = "9"
    & skf18("9","8","10","4","2","8","1") = "9"
    & skf18("9","8","10","4","2","9","1") = "9"
    & skf18("9","8","10","4","2","10","1") = "9"
    & skf18("9","8","10","4","3","1","1") = "9"
    & skf18("9","8","10","4","3","2","1") = "9"
    & skf18("9","8","10","4","3","3","1") = "9"
    & skf18("9","8","10","4","3","4","1") = "9"
    & skf18("9","8","10","4","3","5","1") = "9"
    & skf18("9","8","10","4","3","6","1") = "9"
    & skf18("9","8","10","4","3","7","1") = "9"
    & skf18("9","8","10","4","3","8","1") = "9"
    & skf18("9","8","10","4","3","9","1") = "9"
    & skf18("9","8","10","4","3","10","1") = "9"
    & skf18("9","8","10","4","4","1","1") = "9"
    & skf18("9","8","10","4","4","2","1") = "9"
    & skf18("9","8","10","4","4","3","1") = "9"
    & skf18("9","8","10","4","4","4","1") = "9"
    & skf18("9","8","10","4","4","5","1") = "9"
    & skf18("9","8","10","4","4","6","1") = "9"
    & skf18("9","8","10","4","4","7","1") = "9"
    & skf18("9","8","10","4","4","8","1") = "9"
    & skf18("9","8","10","4","4","9","1") = "9"
    & skf18("9","8","10","4","4","10","1") = "9"
    & skf18("9","8","10","4","5","1","1") = "9"
    & skf18("9","8","10","4","5","2","1") = "9"
    & skf18("9","8","10","4","5","3","1") = "9"
    & skf18("9","8","10","4","5","4","1") = "9"
    & skf18("9","8","10","4","5","5","1") = "9"
    & skf18("9","8","10","4","5","6","1") = "9"
    & skf18("9","8","10","4","5","7","1") = "9"
    & skf18("9","8","10","4","5","8","1") = "9"
    & skf18("9","8","10","4","5","9","1") = "9"
    & skf18("9","8","10","4","5","10","1") = "9"
    & skf18("9","8","10","4","6","1","1") = "9"
    & skf18("9","8","10","4","6","2","1") = "9"
    & skf18("9","8","10","4","6","3","1") = "9"
    & skf18("9","8","10","4","6","4","1") = "9"
    & skf18("9","8","10","4","6","5","1") = "9"
    & skf18("9","8","10","4","6","6","1") = "9"
    & skf18("9","8","10","4","6","7","1") = "9"
    & skf18("9","8","10","4","6","8","1") = "9"
    & skf18("9","8","10","4","6","9","1") = "9"
    & skf18("9","8","10","4","6","10","1") = "9"
    & skf18("9","8","10","4","7","1","1") = "9"
    & skf18("9","8","10","4","7","2","1") = "9"
    & skf18("9","8","10","4","7","3","1") = "9"
    & skf18("9","8","10","4","7","4","1") = "9"
    & skf18("9","8","10","4","7","5","1") = "9"
    & skf18("9","8","10","4","7","6","1") = "9"
    & skf18("9","8","10","4","7","7","1") = "9"
    & skf18("9","8","10","4","7","8","1") = "9"
    & skf18("9","8","10","4","7","9","1") = "9"
    & skf18("9","8","10","4","7","10","1") = "9"
    & skf18("9","8","10","4","8","1","1") = "9"
    & skf18("9","8","10","4","8","2","1") = "9"
    & skf18("9","8","10","4","8","3","1") = "9"
    & skf18("9","8","10","4","8","4","1") = "9"
    & skf18("9","8","10","4","8","5","1") = "9"
    & skf18("9","8","10","4","8","6","1") = "9"
    & skf18("9","8","10","4","8","7","1") = "9"
    & skf18("9","8","10","4","8","8","1") = "9"
    & skf18("9","8","10","4","8","9","1") = "9"
    & skf18("9","8","10","4","8","10","1") = "9"
    & skf18("9","8","10","4","9","1","1") = "9"
    & skf18("9","8","10","4","9","2","1") = "9"
    & skf18("9","8","10","4","9","3","1") = "9"
    & skf18("9","8","10","4","9","4","1") = "9"
    & skf18("9","8","10","4","9","5","1") = "9"
    & skf18("9","8","10","4","9","6","1") = "9"
    & skf18("9","8","10","4","9","7","1") = "9"
    & skf18("9","8","10","4","9","8","1") = "9"
    & skf18("9","8","10","4","9","9","1") = "9"
    & skf18("9","8","10","4","9","10","1") = "9"
    & skf18("9","8","10","4","10","1","1") = "9"
    & skf18("9","8","10","4","10","2","1") = "9"
    & skf18("9","8","10","4","10","3","1") = "9"
    & skf18("9","8","10","4","10","4","1") = "9"
    & skf18("9","8","10","4","10","5","1") = "9"
    & skf18("9","8","10","4","10","6","1") = "9"
    & skf18("9","8","10","4","10","7","1") = "9"
    & skf18("9","8","10","4","10","8","1") = "9"
    & skf18("9","8","10","4","10","9","1") = "9"
    & skf18("9","8","10","4","10","10","1") = "9"
    & skf18("9","8","10","5","1","1","1") = "9"
    & skf18("9","8","10","5","1","2","1") = "9"
    & skf18("9","8","10","5","1","3","1") = "9"
    & skf18("9","8","10","5","1","4","1") = "9"
    & skf18("9","8","10","5","1","5","1") = "9"
    & skf18("9","8","10","5","1","6","1") = "9"
    & skf18("9","8","10","5","1","7","1") = "9"
    & skf18("9","8","10","5","1","8","1") = "9"
    & skf18("9","8","10","5","1","9","1") = "9"
    & skf18("9","8","10","5","1","10","1") = "9"
    & skf18("9","8","10","5","2","1","1") = "9"
    & skf18("9","8","10","5","2","2","1") = "9"
    & skf18("9","8","10","5","2","3","1") = "9"
    & skf18("9","8","10","5","2","4","1") = "9"
    & skf18("9","8","10","5","2","5","1") = "9"
    & skf18("9","8","10","5","2","6","1") = "9"
    & skf18("9","8","10","5","2","7","1") = "9"
    & skf18("9","8","10","5","2","8","1") = "9"
    & skf18("9","8","10","5","2","9","1") = "9"
    & skf18("9","8","10","5","2","10","1") = "9"
    & skf18("9","8","10","5","3","1","1") = "9"
    & skf18("9","8","10","5","3","2","1") = "9"
    & skf18("9","8","10","5","3","3","1") = "9"
    & skf18("9","8","10","5","3","4","1") = "9"
    & skf18("9","8","10","5","3","5","1") = "9"
    & skf18("9","8","10","5","3","6","1") = "9"
    & skf18("9","8","10","5","3","7","1") = "9"
    & skf18("9","8","10","5","3","8","1") = "9"
    & skf18("9","8","10","5","3","9","1") = "9"
    & skf18("9","8","10","5","3","10","1") = "9"
    & skf18("9","8","10","5","4","1","1") = "9"
    & skf18("9","8","10","5","4","2","1") = "9"
    & skf18("9","8","10","5","4","3","1") = "9"
    & skf18("9","8","10","5","4","4","1") = "9"
    & skf18("9","8","10","5","4","5","1") = "9"
    & skf18("9","8","10","5","4","6","1") = "9"
    & skf18("9","8","10","5","4","7","1") = "9"
    & skf18("9","8","10","5","4","8","1") = "9"
    & skf18("9","8","10","5","4","9","1") = "9"
    & skf18("9","8","10","5","4","10","1") = "9"
    & skf18("9","8","10","5","5","1","1") = "9"
    & skf18("9","8","10","5","5","2","1") = "9"
    & skf18("9","8","10","5","5","3","1") = "9"
    & skf18("9","8","10","5","5","4","1") = "9"
    & skf18("9","8","10","5","5","5","1") = "9"
    & skf18("9","8","10","5","5","6","1") = "9"
    & skf18("9","8","10","5","5","7","1") = "9"
    & skf18("9","8","10","5","5","8","1") = "9"
    & skf18("9","8","10","5","5","9","1") = "9"
    & skf18("9","8","10","5","5","10","1") = "9"
    & skf18("9","8","10","5","6","1","1") = "9"
    & skf18("9","8","10","5","6","2","1") = "9"
    & skf18("9","8","10","5","6","3","1") = "9"
    & skf18("9","8","10","5","6","4","1") = "9"
    & skf18("9","8","10","5","6","5","1") = "9"
    & skf18("9","8","10","5","6","6","1") = "9"
    & skf18("9","8","10","5","6","7","1") = "9"
    & skf18("9","8","10","5","6","8","1") = "9"
    & skf18("9","8","10","5","6","9","1") = "9"
    & skf18("9","8","10","5","6","10","1") = "9"
    & skf18("9","8","10","5","7","1","1") = "9"
    & skf18("9","8","10","5","7","2","1") = "9"
    & skf18("9","8","10","5","7","3","1") = "9"
    & skf18("9","8","10","5","7","4","1") = "9"
    & skf18("9","8","10","5","7","5","1") = "9"
    & skf18("9","8","10","5","7","6","1") = "9"
    & skf18("9","8","10","5","7","7","1") = "9"
    & skf18("9","8","10","5","7","8","1") = "9"
    & skf18("9","8","10","5","7","9","1") = "9"
    & skf18("9","8","10","5","7","10","1") = "9"
    & skf18("9","8","10","5","8","1","1") = "9"
    & skf18("9","8","10","5","8","2","1") = "9"
    & skf18("9","8","10","5","8","3","1") = "9"
    & skf18("9","8","10","5","8","4","1") = "9"
    & skf18("9","8","10","5","8","5","1") = "9"
    & skf18("9","8","10","5","8","6","1") = "9"
    & skf18("9","8","10","5","8","7","1") = "9"
    & skf18("9","8","10","5","8","8","1") = "9"
    & skf18("9","8","10","5","8","9","1") = "9"
    & skf18("9","8","10","5","8","10","1") = "9"
    & skf18("9","8","10","5","9","1","1") = "9"
    & skf18("9","8","10","5","9","2","1") = "9"
    & skf18("9","8","10","5","9","3","1") = "9"
    & skf18("9","8","10","5","9","4","1") = "9"
    & skf18("9","8","10","5","9","5","1") = "9"
    & skf18("9","8","10","5","9","6","1") = "9"
    & skf18("9","8","10","5","9","7","1") = "9"
    & skf18("9","8","10","5","9","8","1") = "9"
    & skf18("9","8","10","5","9","9","1") = "9"
    & skf18("9","8","10","5","9","10","1") = "9"
    & skf18("9","8","10","5","10","1","1") = "9"
    & skf18("9","8","10","5","10","2","1") = "9"
    & skf18("9","8","10","5","10","3","1") = "9"
    & skf18("9","8","10","5","10","4","1") = "9"
    & skf18("9","8","10","5","10","5","1") = "9"
    & skf18("9","8","10","5","10","6","1") = "9"
    & skf18("9","8","10","5","10","7","1") = "9"
    & skf18("9","8","10","5","10","8","1") = "9"
    & skf18("9","8","10","5","10","9","1") = "9"
    & skf18("9","8","10","5","10","10","1") = "9"
    & skf18("9","8","10","6","1","1","1") = "9"
    & skf18("9","8","10","6","1","2","1") = "9"
    & skf18("9","8","10","6","1","3","1") = "9"
    & skf18("9","8","10","6","1","4","1") = "9"
    & skf18("9","8","10","6","1","5","1") = "9"
    & skf18("9","8","10","6","1","6","1") = "9"
    & skf18("9","8","10","6","1","7","1") = "9"
    & skf18("9","8","10","6","1","8","1") = "9"
    & skf18("9","8","10","6","1","9","1") = "9"
    & skf18("9","8","10","6","1","10","1") = "9"
    & skf18("9","8","10","6","2","1","1") = "9"
    & skf18("9","8","10","6","2","2","1") = "9"
    & skf18("9","8","10","6","2","3","1") = "9"
    & skf18("9","8","10","6","2","4","1") = "9"
    & skf18("9","8","10","6","2","5","1") = "9"
    & skf18("9","8","10","6","2","6","1") = "9"
    & skf18("9","8","10","6","2","7","1") = "9"
    & skf18("9","8","10","6","2","8","1") = "9"
    & skf18("9","8","10","6","2","9","1") = "9"
    & skf18("9","8","10","6","2","10","1") = "9"
    & skf18("9","8","10","6","3","1","1") = "9"
    & skf18("9","8","10","6","3","2","1") = "9"
    & skf18("9","8","10","6","3","3","1") = "9"
    & skf18("9","8","10","6","3","4","1") = "9"
    & skf18("9","8","10","6","3","5","1") = "9"
    & skf18("9","8","10","6","3","6","1") = "9"
    & skf18("9","8","10","6","3","7","1") = "9"
    & skf18("9","8","10","6","3","8","1") = "9"
    & skf18("9","8","10","6","3","9","1") = "9"
    & skf18("9","8","10","6","3","10","1") = "9"
    & skf18("9","8","10","6","4","1","1") = "9"
    & skf18("9","8","10","6","4","2","1") = "9"
    & skf18("9","8","10","6","4","3","1") = "9"
    & skf18("9","8","10","6","4","4","1") = "9"
    & skf18("9","8","10","6","4","5","1") = "9"
    & skf18("9","8","10","6","4","6","1") = "9"
    & skf18("9","8","10","6","4","7","1") = "9"
    & skf18("9","8","10","6","4","8","1") = "9"
    & skf18("9","8","10","6","4","9","1") = "9"
    & skf18("9","8","10","6","4","10","1") = "9"
    & skf18("9","8","10","6","5","1","1") = "9"
    & skf18("9","8","10","6","5","2","1") = "9"
    & skf18("9","8","10","6","5","3","1") = "9"
    & skf18("9","8","10","6","5","4","1") = "9"
    & skf18("9","8","10","6","5","5","1") = "9"
    & skf18("9","8","10","6","5","6","1") = "9"
    & skf18("9","8","10","6","5","7","1") = "9"
    & skf18("9","8","10","6","5","8","1") = "9"
    & skf18("9","8","10","6","5","9","1") = "9"
    & skf18("9","8","10","6","5","10","1") = "9"
    & skf18("9","8","10","6","6","1","1") = "9"
    & skf18("9","8","10","6","6","2","1") = "9"
    & skf18("9","8","10","6","6","3","1") = "9"
    & skf18("9","8","10","6","6","4","1") = "9"
    & skf18("9","8","10","6","6","5","1") = "9"
    & skf18("9","8","10","6","6","6","1") = "9"
    & skf18("9","8","10","6","6","7","1") = "9"
    & skf18("9","8","10","6","6","8","1") = "9"
    & skf18("9","8","10","6","6","9","1") = "9"
    & skf18("9","8","10","6","6","10","1") = "9"
    & skf18("9","8","10","6","7","1","1") = "9"
    & skf18("9","8","10","6","7","2","1") = "9"
    & skf18("9","8","10","6","7","3","1") = "9"
    & skf18("9","8","10","6","7","4","1") = "9"
    & skf18("9","8","10","6","7","5","1") = "9"
    & skf18("9","8","10","6","7","6","1") = "9"
    & skf18("9","8","10","6","7","7","1") = "9"
    & skf18("9","8","10","6","7","8","1") = "9"
    & skf18("9","8","10","6","7","9","1") = "9"
    & skf18("9","8","10","6","7","10","1") = "9"
    & skf18("9","8","10","6","8","1","1") = "9"
    & skf18("9","8","10","6","8","2","1") = "9"
    & skf18("9","8","10","6","8","3","1") = "9"
    & skf18("9","8","10","6","8","4","1") = "9"
    & skf18("9","8","10","6","8","5","1") = "9"
    & skf18("9","8","10","6","8","6","1") = "9"
    & skf18("9","8","10","6","8","7","1") = "9"
    & skf18("9","8","10","6","8","8","1") = "9"
    & skf18("9","8","10","6","8","9","1") = "9"
    & skf18("9","8","10","6","8","10","1") = "9"
    & skf18("9","8","10","6","9","1","1") = "9"
    & skf18("9","8","10","6","9","2","1") = "9"
    & skf18("9","8","10","6","9","3","1") = "9"
    & skf18("9","8","10","6","9","4","1") = "9"
    & skf18("9","8","10","6","9","5","1") = "9"
    & skf18("9","8","10","6","9","6","1") = "9"
    & skf18("9","8","10","6","9","7","1") = "9"
    & skf18("9","8","10","6","9","8","1") = "9"
    & skf18("9","8","10","6","9","9","1") = "9"
    & skf18("9","8","10","6","9","10","1") = "9"
    & skf18("9","8","10","6","10","1","1") = "9"
    & skf18("9","8","10","6","10","2","1") = "9"
    & skf18("9","8","10","6","10","3","1") = "9"
    & skf18("9","8","10","6","10","4","1") = "9"
    & skf18("9","8","10","6","10","5","1") = "9"
    & skf18("9","8","10","6","10","6","1") = "9"
    & skf18("9","8","10","6","10","7","1") = "9"
    & skf18("9","8","10","6","10","8","1") = "9"
    & skf18("9","8","10","6","10","9","1") = "9"
    & skf18("9","8","10","6","10","10","1") = "9"
    & skf18("9","8","10","7","1","1","1") = "9"
    & skf18("9","8","10","7","1","2","1") = "9"
    & skf18("9","8","10","7","1","3","1") = "9"
    & skf18("9","8","10","7","1","4","1") = "9"
    & skf18("9","8","10","7","1","5","1") = "9"
    & skf18("9","8","10","7","1","6","1") = "9"
    & skf18("9","8","10","7","1","7","1") = "9"
    & skf18("9","8","10","7","1","8","1") = "9"
    & skf18("9","8","10","7","1","9","1") = "9"
    & skf18("9","8","10","7","1","10","1") = "9"
    & skf18("9","8","10","7","2","1","1") = "9"
    & skf18("9","8","10","7","2","2","1") = "9"
    & skf18("9","8","10","7","2","3","1") = "9"
    & skf18("9","8","10","7","2","4","1") = "9"
    & skf18("9","8","10","7","2","5","1") = "9"
    & skf18("9","8","10","7","2","6","1") = "9"
    & skf18("9","8","10","7","2","7","1") = "9"
    & skf18("9","8","10","7","2","8","1") = "9"
    & skf18("9","8","10","7","2","9","1") = "9"
    & skf18("9","8","10","7","2","10","1") = "9"
    & skf18("9","8","10","7","3","1","1") = "9"
    & skf18("9","8","10","7","3","2","1") = "9"
    & skf18("9","8","10","7","3","3","1") = "9"
    & skf18("9","8","10","7","3","4","1") = "9"
    & skf18("9","8","10","7","3","5","1") = "9"
    & skf18("9","8","10","7","3","6","1") = "9"
    & skf18("9","8","10","7","3","7","1") = "9"
    & skf18("9","8","10","7","3","8","1") = "9"
    & skf18("9","8","10","7","3","9","1") = "9"
    & skf18("9","8","10","7","3","10","1") = "9"
    & skf18("9","8","10","7","4","1","1") = "9"
    & skf18("9","8","10","7","4","2","1") = "9"
    & skf18("9","8","10","7","4","3","1") = "9"
    & skf18("9","8","10","7","4","4","1") = "9"
    & skf18("9","8","10","7","4","5","1") = "9"
    & skf18("9","8","10","7","4","6","1") = "9"
    & skf18("9","8","10","7","4","7","1") = "9"
    & skf18("9","8","10","7","4","8","1") = "9"
    & skf18("9","8","10","7","4","9","1") = "9"
    & skf18("9","8","10","7","4","10","1") = "9"
    & skf18("9","8","10","7","5","1","1") = "9"
    & skf18("9","8","10","7","5","2","1") = "9"
    & skf18("9","8","10","7","5","3","1") = "9"
    & skf18("9","8","10","7","5","4","1") = "9"
    & skf18("9","8","10","7","5","5","1") = "9"
    & skf18("9","8","10","7","5","6","1") = "9"
    & skf18("9","8","10","7","5","7","1") = "9"
    & skf18("9","8","10","7","5","8","1") = "9"
    & skf18("9","8","10","7","5","9","1") = "9"
    & skf18("9","8","10","7","5","10","1") = "9"
    & skf18("9","8","10","7","6","1","1") = "9"
    & skf18("9","8","10","7","6","2","1") = "9"
    & skf18("9","8","10","7","6","3","1") = "9"
    & skf18("9","8","10","7","6","4","1") = "9"
    & skf18("9","8","10","7","6","5","1") = "9"
    & skf18("9","8","10","7","6","6","1") = "9"
    & skf18("9","8","10","7","6","7","1") = "9"
    & skf18("9","8","10","7","6","8","1") = "9"
    & skf18("9","8","10","7","6","9","1") = "9"
    & skf18("9","8","10","7","6","10","1") = "9"
    & skf18("9","8","10","7","7","1","1") = "9"
    & skf18("9","8","10","7","7","2","1") = "9"
    & skf18("9","8","10","7","7","3","1") = "9"
    & skf18("9","8","10","7","7","4","1") = "9"
    & skf18("9","8","10","7","7","5","1") = "9"
    & skf18("9","8","10","7","7","6","1") = "9"
    & skf18("9","8","10","7","7","7","1") = "9"
    & skf18("9","8","10","7","7","8","1") = "9"
    & skf18("9","8","10","7","7","9","1") = "9"
    & skf18("9","8","10","7","7","10","1") = "9"
    & skf18("9","8","10","7","8","1","1") = "9"
    & skf18("9","8","10","7","8","2","1") = "9"
    & skf18("9","8","10","7","8","3","1") = "9"
    & skf18("9","8","10","7","8","4","1") = "9"
    & skf18("9","8","10","7","8","5","1") = "9"
    & skf18("9","8","10","7","8","6","1") = "9"
    & skf18("9","8","10","7","8","7","1") = "9"
    & skf18("9","8","10","7","8","8","1") = "9"
    & skf18("9","8","10","7","8","9","1") = "9"
    & skf18("9","8","10","7","8","10","1") = "9"
    & skf18("9","8","10","7","9","1","1") = "9"
    & skf18("9","8","10","7","9","2","1") = "9"
    & skf18("9","8","10","7","9","3","1") = "9"
    & skf18("9","8","10","7","9","4","1") = "9"
    & skf18("9","8","10","7","9","5","1") = "9"
    & skf18("9","8","10","7","9","6","1") = "9"
    & skf18("9","8","10","7","9","7","1") = "9"
    & skf18("9","8","10","7","9","8","1") = "9"
    & skf18("9","8","10","7","9","9","1") = "9"
    & skf18("9","8","10","7","9","10","1") = "9"
    & skf18("9","8","10","7","10","1","1") = "9"
    & skf18("9","8","10","7","10","2","1") = "9"
    & skf18("9","8","10","7","10","3","1") = "9"
    & skf18("9","8","10","7","10","4","1") = "9"
    & skf18("9","8","10","7","10","5","1") = "9"
    & skf18("9","8","10","7","10","6","1") = "9"
    & skf18("9","8","10","7","10","7","1") = "9"
    & skf18("9","8","10","7","10","8","1") = "9"
    & skf18("9","8","10","7","10","9","1") = "9"
    & skf18("9","8","10","7","10","10","1") = "9"
    & skf18("9","8","10","8","1","1","1") = "9"
    & skf18("9","8","10","8","1","2","1") = "9"
    & skf18("9","8","10","8","1","3","1") = "9"
    & skf18("9","8","10","8","1","4","1") = "9"
    & skf18("9","8","10","8","1","5","1") = "9"
    & skf18("9","8","10","8","1","6","1") = "9"
    & skf18("9","8","10","8","1","7","1") = "9"
    & skf18("9","8","10","8","1","8","1") = "9"
    & skf18("9","8","10","8","1","9","1") = "9"
    & skf18("9","8","10","8","1","10","1") = "9"
    & skf18("9","8","10","8","2","1","1") = "9"
    & skf18("9","8","10","8","2","2","1") = "9"
    & skf18("9","8","10","8","2","3","1") = "9"
    & skf18("9","8","10","8","2","4","1") = "9"
    & skf18("9","8","10","8","2","5","1") = "9"
    & skf18("9","8","10","8","2","6","1") = "9"
    & skf18("9","8","10","8","2","7","1") = "9"
    & skf18("9","8","10","8","2","8","1") = "9"
    & skf18("9","8","10","8","2","9","1") = "9"
    & skf18("9","8","10","8","2","10","1") = "9"
    & skf18("9","8","10","8","3","1","1") = "9"
    & skf18("9","8","10","8","3","2","1") = "9"
    & skf18("9","8","10","8","3","3","1") = "9"
    & skf18("9","8","10","8","3","4","1") = "9"
    & skf18("9","8","10","8","3","5","1") = "9"
    & skf18("9","8","10","8","3","6","1") = "9"
    & skf18("9","8","10","8","3","7","1") = "9"
    & skf18("9","8","10","8","3","8","1") = "9"
    & skf18("9","8","10","8","3","9","1") = "9"
    & skf18("9","8","10","8","3","10","1") = "9"
    & skf18("9","8","10","8","4","1","1") = "9"
    & skf18("9","8","10","8","4","2","1") = "9"
    & skf18("9","8","10","8","4","3","1") = "9"
    & skf18("9","8","10","8","4","4","1") = "9"
    & skf18("9","8","10","8","4","5","1") = "9"
    & skf18("9","8","10","8","4","6","1") = "9"
    & skf18("9","8","10","8","4","7","1") = "9"
    & skf18("9","8","10","8","4","8","1") = "9"
    & skf18("9","8","10","8","4","9","1") = "9"
    & skf18("9","8","10","8","4","10","1") = "9"
    & skf18("9","8","10","8","5","1","1") = "9"
    & skf18("9","8","10","8","5","2","1") = "9"
    & skf18("9","8","10","8","5","3","1") = "9"
    & skf18("9","8","10","8","5","4","1") = "9"
    & skf18("9","8","10","8","5","5","1") = "9"
    & skf18("9","8","10","8","5","6","1") = "9"
    & skf18("9","8","10","8","5","7","1") = "9"
    & skf18("9","8","10","8","5","8","1") = "9"
    & skf18("9","8","10","8","5","9","1") = "9"
    & skf18("9","8","10","8","5","10","1") = "9"
    & skf18("9","8","10","8","6","1","1") = "9"
    & skf18("9","8","10","8","6","2","1") = "9"
    & skf18("9","8","10","8","6","3","1") = "9"
    & skf18("9","8","10","8","6","4","1") = "9"
    & skf18("9","8","10","8","6","5","1") = "9"
    & skf18("9","8","10","8","6","6","1") = "9"
    & skf18("9","8","10","8","6","7","1") = "9"
    & skf18("9","8","10","8","6","8","1") = "9"
    & skf18("9","8","10","8","6","9","1") = "9"
    & skf18("9","8","10","8","6","10","1") = "9"
    & skf18("9","8","10","8","7","1","1") = "9"
    & skf18("9","8","10","8","7","2","1") = "9"
    & skf18("9","8","10","8","7","3","1") = "9"
    & skf18("9","8","10","8","7","4","1") = "9"
    & skf18("9","8","10","8","7","5","1") = "9"
    & skf18("9","8","10","8","7","6","1") = "9"
    & skf18("9","8","10","8","7","7","1") = "9"
    & skf18("9","8","10","8","7","8","1") = "9"
    & skf18("9","8","10","8","7","9","1") = "9"
    & skf18("9","8","10","8","7","10","1") = "9"
    & skf18("9","8","10","8","8","1","1") = "9"
    & skf18("9","8","10","8","8","2","1") = "9"
    & skf18("9","8","10","8","8","3","1") = "9"
    & skf18("9","8","10","8","8","4","1") = "9"
    & skf18("9","8","10","8","8","5","1") = "9"
    & skf18("9","8","10","8","8","6","1") = "9"
    & skf18("9","8","10","8","8","7","1") = "9"
    & skf18("9","8","10","8","8","8","1") = "9"
    & skf18("9","8","10","8","8","9","1") = "9"
    & skf18("9","8","10","8","8","10","1") = "9"
    & skf18("9","8","10","8","9","1","1") = "9"
    & skf18("9","8","10","8","9","2","1") = "9"
    & skf18("9","8","10","8","9","3","1") = "9"
    & skf18("9","8","10","8","9","4","1") = "9"
    & skf18("9","8","10","8","9","5","1") = "9"
    & skf18("9","8","10","8","9","6","1") = "9"
    & skf18("9","8","10","8","9","7","1") = "9"
    & skf18("9","8","10","8","9","8","1") = "9"
    & skf18("9","8","10","8","9","9","1") = "9"
    & skf18("9","8","10","8","9","10","1") = "9"
    & skf18("9","8","10","8","10","1","1") = "9"
    & skf18("9","8","10","8","10","2","1") = "9"
    & skf18("9","8","10","8","10","3","1") = "9"
    & skf18("9","8","10","8","10","4","1") = "9"
    & skf18("9","8","10","8","10","5","1") = "9"
    & skf18("9","8","10","8","10","6","1") = "9"
    & skf18("9","8","10","8","10","7","1") = "9"
    & skf18("9","8","10","8","10","8","1") = "9"
    & skf18("9","8","10","8","10","9","1") = "9"
    & skf18("9","8","10","8","10","10","1") = "9"
    & skf18("9","8","10","9","1","1","1") = "9"
    & skf18("9","8","10","9","1","2","1") = "9"
    & skf18("9","8","10","9","1","3","1") = "9"
    & skf18("9","8","10","9","1","4","1") = "9"
    & skf18("9","8","10","9","1","5","1") = "9"
    & skf18("9","8","10","9","1","6","1") = "9"
    & skf18("9","8","10","9","1","7","1") = "9"
    & skf18("9","8","10","9","1","8","1") = "9"
    & skf18("9","8","10","9","1","9","1") = "9"
    & skf18("9","8","10","9","1","10","1") = "9"
    & skf18("9","8","10","9","2","1","1") = "9"
    & skf18("9","8","10","9","2","2","1") = "9"
    & skf18("9","8","10","9","2","3","1") = "9"
    & skf18("9","8","10","9","2","4","1") = "9"
    & skf18("9","8","10","9","2","5","1") = "9"
    & skf18("9","8","10","9","2","6","1") = "9"
    & skf18("9","8","10","9","2","7","1") = "9"
    & skf18("9","8","10","9","2","8","1") = "9"
    & skf18("9","8","10","9","2","9","1") = "9"
    & skf18("9","8","10","9","2","10","1") = "9"
    & skf18("9","8","10","9","3","1","1") = "9"
    & skf18("9","8","10","9","3","2","1") = "9"
    & skf18("9","8","10","9","3","3","1") = "9"
    & skf18("9","8","10","9","3","4","1") = "9"
    & skf18("9","8","10","9","3","5","1") = "9"
    & skf18("9","8","10","9","3","6","1") = "9"
    & skf18("9","8","10","9","3","7","1") = "9"
    & skf18("9","8","10","9","3","8","1") = "9"
    & skf18("9","8","10","9","3","9","1") = "9"
    & skf18("9","8","10","9","3","10","1") = "9"
    & skf18("9","8","10","9","4","1","1") = "9"
    & skf18("9","8","10","9","4","2","1") = "9"
    & skf18("9","8","10","9","4","3","1") = "9"
    & skf18("9","8","10","9","4","4","1") = "9"
    & skf18("9","8","10","9","4","5","1") = "9"
    & skf18("9","8","10","9","4","6","1") = "9"
    & skf18("9","8","10","9","4","7","1") = "9"
    & skf18("9","8","10","9","4","8","1") = "9"
    & skf18("9","8","10","9","4","9","1") = "9"
    & skf18("9","8","10","9","4","10","1") = "9"
    & skf18("9","8","10","9","5","1","1") = "9"
    & skf18("9","8","10","9","5","2","1") = "9"
    & skf18("9","8","10","9","5","3","1") = "9"
    & skf18("9","8","10","9","5","4","1") = "9"
    & skf18("9","8","10","9","5","5","1") = "9"
    & skf18("9","8","10","9","5","6","1") = "9"
    & skf18("9","8","10","9","5","7","1") = "9"
    & skf18("9","8","10","9","5","8","1") = "9"
    & skf18("9","8","10","9","5","9","1") = "9"
    & skf18("9","8","10","9","5","10","1") = "9"
    & skf18("9","8","10","9","6","1","1") = "9"
    & skf18("9","8","10","9","6","2","1") = "9"
    & skf18("9","8","10","9","6","3","1") = "9"
    & skf18("9","8","10","9","6","4","1") = "9"
    & skf18("9","8","10","9","6","5","1") = "9"
    & skf18("9","8","10","9","6","6","1") = "9"
    & skf18("9","8","10","9","6","7","1") = "9"
    & skf18("9","8","10","9","6","8","1") = "9"
    & skf18("9","8","10","9","6","9","1") = "9"
    & skf18("9","8","10","9","6","10","1") = "9"
    & skf18("9","8","10","9","7","1","1") = "9"
    & skf18("9","8","10","9","7","2","1") = "9"
    & skf18("9","8","10","9","7","3","1") = "9"
    & skf18("9","8","10","9","7","4","1") = "9"
    & skf18("9","8","10","9","7","5","1") = "9"
    & skf18("9","8","10","9","7","6","1") = "9"
    & skf18("9","8","10","9","7","7","1") = "9"
    & skf18("9","8","10","9","7","8","1") = "9"
    & skf18("9","8","10","9","7","9","1") = "9"
    & skf18("9","8","10","9","7","10","1") = "9"
    & skf18("9","8","10","9","8","1","1") = "9"
    & skf18("9","8","10","9","8","2","1") = "9"
    & skf18("9","8","10","9","8","3","1") = "9"
    & skf18("9","8","10","9","8","4","1") = "9"
    & skf18("9","8","10","9","8","5","1") = "9"
    & skf18("9","8","10","9","8","6","1") = "9"
    & skf18("9","8","10","9","8","7","1") = "9"
    & skf18("9","8","10","9","8","8","1") = "9"
    & skf18("9","8","10","9","8","9","1") = "9"
    & skf18("9","8","10","9","8","10","1") = "9"
    & skf18("9","8","10","9","9","1","1") = "9"
    & skf18("9","8","10","9","9","2","1") = "9"
    & skf18("9","8","10","9","9","3","1") = "9"
    & skf18("9","8","10","9","9","4","1") = "9"
    & skf18("9","8","10","9","9","5","1") = "9"
    & skf18("9","8","10","9","9","6","1") = "9"
    & skf18("9","8","10","9","9","7","1") = "9"
    & skf18("9","8","10","9","9","8","1") = "9"
    & skf18("9","8","10","9","9","9","1") = "9"
    & skf18("9","8","10","9","9","10","1") = "9"
    & skf18("9","8","10","9","10","1","1") = "9"
    & skf18("9","8","10","9","10","2","1") = "9"
    & skf18("9","8","10","9","10","3","1") = "9"
    & skf18("9","8","10","9","10","4","1") = "9"
    & skf18("9","8","10","9","10","5","1") = "9"
    & skf18("9","8","10","9","10","6","1") = "9"
    & skf18("9","8","10","9","10","7","1") = "9"
    & skf18("9","8","10","9","10","8","1") = "9"
    & skf18("9","8","10","9","10","9","1") = "9"
    & skf18("9","8","10","9","10","10","1") = "9"
    & skf18("9","8","10","10","1","1","1") = "9"
    & skf18("9","8","10","10","1","2","1") = "9"
    & skf18("9","8","10","10","1","3","1") = "9"
    & skf18("9","8","10","10","1","4","1") = "9"
    & skf18("9","8","10","10","1","5","1") = "9"
    & skf18("9","8","10","10","1","6","1") = "9"
    & skf18("9","8","10","10","1","7","1") = "9"
    & skf18("9","8","10","10","1","8","1") = "9"
    & skf18("9","8","10","10","1","9","1") = "9"
    & skf18("9","8","10","10","1","10","1") = "9"
    & skf18("9","8","10","10","2","1","1") = "9"
    & skf18("9","8","10","10","2","2","1") = "9"
    & skf18("9","8","10","10","2","3","1") = "9"
    & skf18("9","8","10","10","2","4","1") = "9"
    & skf18("9","8","10","10","2","5","1") = "9"
    & skf18("9","8","10","10","2","6","1") = "9"
    & skf18("9","8","10","10","2","7","1") = "9"
    & skf18("9","8","10","10","2","8","1") = "9"
    & skf18("9","8","10","10","2","9","1") = "9"
    & skf18("9","8","10","10","2","10","1") = "9"
    & skf18("9","8","10","10","3","1","1") = "9"
    & skf18("9","8","10","10","3","2","1") = "9"
    & skf18("9","8","10","10","3","3","1") = "9"
    & skf18("9","8","10","10","3","4","1") = "9"
    & skf18("9","8","10","10","3","5","1") = "9"
    & skf18("9","8","10","10","3","6","1") = "9"
    & skf18("9","8","10","10","3","7","1") = "9"
    & skf18("9","8","10","10","3","8","1") = "9"
    & skf18("9","8","10","10","3","9","1") = "9"
    & skf18("9","8","10","10","3","10","1") = "9"
    & skf18("9","8","10","10","4","1","1") = "9"
    & skf18("9","8","10","10","4","2","1") = "9"
    & skf18("9","8","10","10","4","3","1") = "9"
    & skf18("9","8","10","10","4","4","1") = "9"
    & skf18("9","8","10","10","4","5","1") = "9"
    & skf18("9","8","10","10","4","6","1") = "9"
    & skf18("9","8","10","10","4","7","1") = "9"
    & skf18("9","8","10","10","4","8","1") = "9"
    & skf18("9","8","10","10","4","9","1") = "9"
    & skf18("9","8","10","10","4","10","1") = "9"
    & skf18("9","8","10","10","5","1","1") = "9"
    & skf18("9","8","10","10","5","2","1") = "9"
    & skf18("9","8","10","10","5","3","1") = "9"
    & skf18("9","8","10","10","5","4","1") = "9"
    & skf18("9","8","10","10","5","5","1") = "9"
    & skf18("9","8","10","10","5","6","1") = "9"
    & skf18("9","8","10","10","5","7","1") = "9"
    & skf18("9","8","10","10","5","8","1") = "9"
    & skf18("9","8","10","10","5","9","1") = "9"
    & skf18("9","8","10","10","5","10","1") = "9"
    & skf18("9","8","10","10","6","1","1") = "9"
    & skf18("9","8","10","10","6","2","1") = "9"
    & skf18("9","8","10","10","6","3","1") = "9"
    & skf18("9","8","10","10","6","4","1") = "9"
    & skf18("9","8","10","10","6","5","1") = "9"
    & skf18("9","8","10","10","6","6","1") = "9"
    & skf18("9","8","10","10","6","7","1") = "9"
    & skf18("9","8","10","10","6","8","1") = "9"
    & skf18("9","8","10","10","6","9","1") = "9"
    & skf18("9","8","10","10","6","10","1") = "9"
    & skf18("9","8","10","10","7","1","1") = "9"
    & skf18("9","8","10","10","7","2","1") = "9"
    & skf18("9","8","10","10","7","3","1") = "9"
    & skf18("9","8","10","10","7","4","1") = "9"
    & skf18("9","8","10","10","7","5","1") = "9"
    & skf18("9","8","10","10","7","6","1") = "9"
    & skf18("9","8","10","10","7","7","1") = "9"
    & skf18("9","8","10","10","7","8","1") = "9"
    & skf18("9","8","10","10","7","9","1") = "9"
    & skf18("9","8","10","10","7","10","1") = "9"
    & skf18("9","8","10","10","8","1","1") = "9"
    & skf18("9","8","10","10","8","2","1") = "9"
    & skf18("9","8","10","10","8","3","1") = "9"
    & skf18("9","8","10","10","8","4","1") = "9"
    & skf18("9","8","10","10","8","5","1") = "9"
    & skf18("9","8","10","10","8","6","1") = "9"
    & skf18("9","8","10","10","8","7","1") = "9"
    & skf18("9","8","10","10","8","8","1") = "9"
    & skf18("9","8","10","10","8","9","1") = "9"
    & skf18("9","8","10","10","8","10","1") = "9"
    & skf18("9","8","10","10","9","1","1") = "9"
    & skf18("9","8","10","10","9","2","1") = "9"
    & skf18("9","8","10","10","9","3","1") = "9"
    & skf18("9","8","10","10","9","4","1") = "9"
    & skf18("9","8","10","10","9","5","1") = "9"
    & skf18("9","8","10","10","9","6","1") = "9"
    & skf18("9","8","10","10","9","7","1") = "9"
    & skf18("9","8","10","10","9","8","1") = "9"
    & skf18("9","8","10","10","9","9","1") = "9"
    & skf18("9","8","10","10","9","10","1") = "9"
    & skf18("9","8","10","10","10","1","1") = "9"
    & skf18("9","8","10","10","10","2","1") = "9"
    & skf18("9","8","10","10","10","3","1") = "9"
    & skf18("9","8","10","10","10","4","1") = "9"
    & skf18("9","8","10","10","10","5","1") = "9"
    & skf18("9","8","10","10","10","6","1") = "9"
    & skf18("9","8","10","10","10","7","1") = "9"
    & skf18("9","8","10","10","10","8","1") = "9"
    & skf18("9","8","10","10","10","9","1") = "9"
    & skf18("9","8","10","10","10","10","1") = "9"
    & skf18("9","9","1","1","1","1","1") = "8"
    & skf18("9","9","1","1","1","2","1") = "8"
    & skf18("9","9","1","1","1","3","1") = "8"
    & skf18("9","9","1","1","1","4","1") = "8"
    & skf18("9","9","1","1","1","5","1") = "8"
    & skf18("9","9","1","1","1","6","1") = "8"
    & skf18("9","9","1","1","1","7","1") = "8"
    & skf18("9","9","1","1","1","8","1") = "8"
    & skf18("9","9","1","1","1","9","1") = "8"
    & skf18("9","9","1","1","1","10","1") = "9"
    & skf18("9","9","1","1","2","1","1") = "8"
    & skf18("9","9","1","1","2","2","1") = "8"
    & skf18("9","9","1","1","2","3","1") = "8"
    & skf18("9","9","1","1","2","4","1") = "8"
    & skf18("9","9","1","1","2","5","1") = "8"
    & skf18("9","9","1","1","2","6","1") = "8"
    & skf18("9","9","1","1","2","7","1") = "8"
    & skf18("9","9","1","1","2","8","1") = "8"
    & skf18("9","9","1","1","2","9","1") = "8"
    & skf18("9","9","1","1","2","10","1") = "9"
    & skf18("9","9","1","1","3","1","1") = "8"
    & skf18("9","9","1","1","3","2","1") = "8"
    & skf18("9","9","1","1","3","3","1") = "8"
    & skf18("9","9","1","1","3","4","1") = "8"
    & skf18("9","9","1","1","3","5","1") = "8"
    & skf18("9","9","1","1","3","6","1") = "8"
    & skf18("9","9","1","1","3","7","1") = "8"
    & skf18("9","9","1","1","3","8","1") = "8"
    & skf18("9","9","1","1","3","9","1") = "8"
    & skf18("9","9","1","1","3","10","1") = "9"
    & skf18("9","9","1","1","4","1","1") = "8"
    & skf18("9","9","1","1","4","2","1") = "8"
    & skf18("9","9","1","1","4","3","1") = "8"
    & skf18("9","9","1","1","4","4","1") = "8"
    & skf18("9","9","1","1","4","5","1") = "8"
    & skf18("9","9","1","1","4","6","1") = "8"
    & skf18("9","9","1","1","4","7","1") = "8"
    & skf18("9","9","1","1","4","8","1") = "8"
    & skf18("9","9","1","1","4","9","1") = "8"
    & skf18("9","9","1","1","4","10","1") = "9"
    & skf18("9","9","1","1","5","1","1") = "8"
    & skf18("9","9","1","1","5","2","1") = "8"
    & skf18("9","9","1","1","5","3","1") = "8"
    & skf18("9","9","1","1","5","4","1") = "8"
    & skf18("9","9","1","1","5","5","1") = "8"
    & skf18("9","9","1","1","5","6","1") = "8"
    & skf18("9","9","1","1","5","7","1") = "8"
    & skf18("9","9","1","1","5","8","1") = "8"
    & skf18("9","9","1","1","5","9","1") = "8"
    & skf18("9","9","1","1","5","10","1") = "9"
    & skf18("9","9","1","1","6","1","1") = "8"
    & skf18("9","9","1","1","6","2","1") = "8"
    & skf18("9","9","1","1","6","3","1") = "8"
    & skf18("9","9","1","1","6","4","1") = "8"
    & skf18("9","9","1","1","6","5","1") = "8"
    & skf18("9","9","1","1","6","6","1") = "8"
    & skf18("9","9","1","1","6","7","1") = "8"
    & skf18("9","9","1","1","6","8","1") = "8"
    & skf18("9","9","1","1","6","9","1") = "8"
    & skf18("9","9","1","1","6","10","1") = "9"
    & skf18("9","9","1","1","7","1","1") = "8"
    & skf18("9","9","1","1","7","2","1") = "8"
    & skf18("9","9","1","1","7","3","1") = "8"
    & skf18("9","9","1","1","7","4","1") = "8"
    & skf18("9","9","1","1","7","5","1") = "8"
    & skf18("9","9","1","1","7","6","1") = "8"
    & skf18("9","9","1","1","7","7","1") = "8"
    & skf18("9","9","1","1","7","8","1") = "8"
    & skf18("9","9","1","1","7","9","1") = "8"
    & skf18("9","9","1","1","7","10","1") = "9"
    & skf18("9","9","1","1","8","1","1") = "8"
    & skf18("9","9","1","1","8","2","1") = "8"
    & skf18("9","9","1","1","8","3","1") = "8"
    & skf18("9","9","1","1","8","4","1") = "8"
    & skf18("9","9","1","1","8","5","1") = "8"
    & skf18("9","9","1","1","8","6","1") = "8"
    & skf18("9","9","1","1","8","7","1") = "8"
    & skf18("9","9","1","1","8","8","1") = "8"
    & skf18("9","9","1","1","8","9","1") = "8"
    & skf18("9","9","1","1","8","10","1") = "9"
    & skf18("9","9","1","1","9","1","1") = "8"
    & skf18("9","9","1","1","9","2","1") = "8"
    & skf18("9","9","1","1","9","3","1") = "8"
    & skf18("9","9","1","1","9","4","1") = "8"
    & skf18("9","9","1","1","9","5","1") = "8"
    & skf18("9","9","1","1","9","6","1") = "8"
    & skf18("9","9","1","1","9","7","1") = "8"
    & skf18("9","9","1","1","9","8","1") = "8"
    & skf18("9","9","1","1","9","9","1") = "8"
    & skf18("9","9","1","1","9","10","1") = "9"
    & skf18("9","9","1","1","10","1","1") = "9"
    & skf18("9","9","1","1","10","2","1") = "9"
    & skf18("9","9","1","1","10","3","1") = "9"
    & skf18("9","9","1","1","10","4","1") = "9"
    & skf18("9","9","1","1","10","5","1") = "9"
    & skf18("9","9","1","1","10","6","1") = "9"
    & skf18("9","9","1","1","10","7","1") = "9"
    & skf18("9","9","1","1","10","8","1") = "9"
    & skf18("9","9","1","1","10","9","1") = "9"
    & skf18("9","9","1","1","10","10","1") = "9"
    & skf18("9","9","1","2","1","1","1") = "8"
    & skf18("9","9","1","2","1","2","1") = "8"
    & skf18("9","9","1","2","1","3","1") = "8"
    & skf18("9","9","1","2","1","4","1") = "8"
    & skf18("9","9","1","2","1","5","1") = "8"
    & skf18("9","9","1","2","1","6","1") = "8"
    & skf18("9","9","1","2","1","7","1") = "8"
    & skf18("9","9","1","2","1","8","1") = "8"
    & skf18("9","9","1","2","1","9","1") = "8"
    & skf18("9","9","1","2","1","10","1") = "9"
    & skf18("9","9","1","2","2","1","1") = "8"
    & skf18("9","9","1","2","2","2","1") = "8"
    & skf18("9","9","1","2","2","3","1") = "8"
    & skf18("9","9","1","2","2","4","1") = "8"
    & skf18("9","9","1","2","2","5","1") = "8"
    & skf18("9","9","1","2","2","6","1") = "8"
    & skf18("9","9","1","2","2","7","1") = "8"
    & skf18("9","9","1","2","2","8","1") = "8"
    & skf18("9","9","1","2","2","9","1") = "8"
    & skf18("9","9","1","2","2","10","1") = "9"
    & skf18("9","9","1","2","3","1","1") = "8"
    & skf18("9","9","1","2","3","2","1") = "8"
    & skf18("9","9","1","2","3","3","1") = "8"
    & skf18("9","9","1","2","3","4","1") = "8"
    & skf18("9","9","1","2","3","5","1") = "8"
    & skf18("9","9","1","2","3","6","1") = "8"
    & skf18("9","9","1","2","3","7","1") = "8"
    & skf18("9","9","1","2","3","8","1") = "8"
    & skf18("9","9","1","2","3","9","1") = "8"
    & skf18("9","9","1","2","3","10","1") = "9"
    & skf18("9","9","1","2","4","1","1") = "8"
    & skf18("9","9","1","2","4","2","1") = "8"
    & skf18("9","9","1","2","4","3","1") = "8"
    & skf18("9","9","1","2","4","4","1") = "8"
    & skf18("9","9","1","2","4","5","1") = "8"
    & skf18("9","9","1","2","4","6","1") = "8"
    & skf18("9","9","1","2","4","7","1") = "8"
    & skf18("9","9","1","2","4","8","1") = "8"
    & skf18("9","9","1","2","4","9","1") = "8"
    & skf18("9","9","1","2","4","10","1") = "9"
    & skf18("9","9","1","2","5","1","1") = "8"
    & skf18("9","9","1","2","5","2","1") = "8"
    & skf18("9","9","1","2","5","3","1") = "8"
    & skf18("9","9","1","2","5","4","1") = "8"
    & skf18("9","9","1","2","5","5","1") = "8"
    & skf18("9","9","1","2","5","6","1") = "8"
    & skf18("9","9","1","2","5","7","1") = "8"
    & skf18("9","9","1","2","5","8","1") = "8"
    & skf18("9","9","1","2","5","9","1") = "8"
    & skf18("9","9","1","2","5","10","1") = "9"
    & skf18("9","9","1","2","6","1","1") = "8"
    & skf18("9","9","1","2","6","2","1") = "8"
    & skf18("9","9","1","2","6","3","1") = "8"
    & skf18("9","9","1","2","6","4","1") = "8"
    & skf18("9","9","1","2","6","5","1") = "8"
    & skf18("9","9","1","2","6","6","1") = "8"
    & skf18("9","9","1","2","6","7","1") = "8"
    & skf18("9","9","1","2","6","8","1") = "8"
    & skf18("9","9","1","2","6","9","1") = "8"
    & skf18("9","9","1","2","6","10","1") = "9"
    & skf18("9","9","1","2","7","1","1") = "8"
    & skf18("9","9","1","2","7","2","1") = "8"
    & skf18("9","9","1","2","7","3","1") = "8"
    & skf18("9","9","1","2","7","4","1") = "8"
    & skf18("9","9","1","2","7","5","1") = "8"
    & skf18("9","9","1","2","7","6","1") = "8"
    & skf18("9","9","1","2","7","7","1") = "8"
    & skf18("9","9","1","2","7","8","1") = "8"
    & skf18("9","9","1","2","7","9","1") = "8"
    & skf18("9","9","1","2","7","10","1") = "9"
    & skf18("9","9","1","2","8","1","1") = "8"
    & skf18("9","9","1","2","8","2","1") = "8"
    & skf18("9","9","1","2","8","3","1") = "8"
    & skf18("9","9","1","2","8","4","1") = "8"
    & skf18("9","9","1","2","8","5","1") = "8"
    & skf18("9","9","1","2","8","6","1") = "8"
    & skf18("9","9","1","2","8","7","1") = "8"
    & skf18("9","9","1","2","8","8","1") = "8"
    & skf18("9","9","1","2","8","9","1") = "8"
    & skf18("9","9","1","2","8","10","1") = "9"
    & skf18("9","9","1","2","9","1","1") = "8"
    & skf18("9","9","1","2","9","2","1") = "8"
    & skf18("9","9","1","2","9","3","1") = "8"
    & skf18("9","9","1","2","9","4","1") = "8"
    & skf18("9","9","1","2","9","5","1") = "8"
    & skf18("9","9","1","2","9","6","1") = "8"
    & skf18("9","9","1","2","9","7","1") = "8"
    & skf18("9","9","1","2","9","8","1") = "8"
    & skf18("9","9","1","2","9","9","1") = "8"
    & skf18("9","9","1","2","9","10","1") = "9"
    & skf18("9","9","1","2","10","1","1") = "9"
    & skf18("9","9","1","2","10","2","1") = "9"
    & skf18("9","9","1","2","10","3","1") = "9"
    & skf18("9","9","1","2","10","4","1") = "9"
    & skf18("9","9","1","2","10","5","1") = "9"
    & skf18("9","9","1","2","10","6","1") = "9"
    & skf18("9","9","1","2","10","7","1") = "9"
    & skf18("9","9","1","2","10","8","1") = "9"
    & skf18("9","9","1","2","10","9","1") = "9"
    & skf18("9","9","1","2","10","10","1") = "9"
    & skf18("9","9","1","3","1","1","1") = "8"
    & skf18("9","9","1","3","1","2","1") = "8"
    & skf18("9","9","1","3","1","3","1") = "8"
    & skf18("9","9","1","3","1","4","1") = "8"
    & skf18("9","9","1","3","1","5","1") = "8"
    & skf18("9","9","1","3","1","6","1") = "8"
    & skf18("9","9","1","3","1","7","1") = "8"
    & skf18("9","9","1","3","1","8","1") = "8"
    & skf18("9","9","1","3","1","9","1") = "8"
    & skf18("9","9","1","3","1","10","1") = "9"
    & skf18("9","9","1","3","2","1","1") = "8"
    & skf18("9","9","1","3","2","2","1") = "8"
    & skf18("9","9","1","3","2","3","1") = "8"
    & skf18("9","9","1","3","2","4","1") = "8"
    & skf18("9","9","1","3","2","5","1") = "8"
    & skf18("9","9","1","3","2","6","1") = "8"
    & skf18("9","9","1","3","2","7","1") = "8"
    & skf18("9","9","1","3","2","8","1") = "8"
    & skf18("9","9","1","3","2","9","1") = "8"
    & skf18("9","9","1","3","2","10","1") = "9"
    & skf18("9","9","1","3","3","1","1") = "8"
    & skf18("9","9","1","3","3","2","1") = "8"
    & skf18("9","9","1","3","3","3","1") = "8"
    & skf18("9","9","1","3","3","4","1") = "8"
    & skf18("9","9","1","3","3","5","1") = "8"
    & skf18("9","9","1","3","3","6","1") = "8"
    & skf18("9","9","1","3","3","7","1") = "8"
    & skf18("9","9","1","3","3","8","1") = "8"
    & skf18("9","9","1","3","3","9","1") = "8"
    & skf18("9","9","1","3","3","10","1") = "9"
    & skf18("9","9","1","3","4","1","1") = "8"
    & skf18("9","9","1","3","4","2","1") = "8"
    & skf18("9","9","1","3","4","3","1") = "8"
    & skf18("9","9","1","3","4","4","1") = "8"
    & skf18("9","9","1","3","4","5","1") = "8"
    & skf18("9","9","1","3","4","6","1") = "8"
    & skf18("9","9","1","3","4","7","1") = "8"
    & skf18("9","9","1","3","4","8","1") = "8"
    & skf18("9","9","1","3","4","9","1") = "8"
    & skf18("9","9","1","3","4","10","1") = "9"
    & skf18("9","9","1","3","5","1","1") = "8"
    & skf18("9","9","1","3","5","2","1") = "8"
    & skf18("9","9","1","3","5","3","1") = "8"
    & skf18("9","9","1","3","5","4","1") = "8"
    & skf18("9","9","1","3","5","5","1") = "8"
    & skf18("9","9","1","3","5","6","1") = "8"
    & skf18("9","9","1","3","5","7","1") = "8"
    & skf18("9","9","1","3","5","8","1") = "8"
    & skf18("9","9","1","3","5","9","1") = "8"
    & skf18("9","9","1","3","5","10","1") = "9"
    & skf18("9","9","1","3","6","1","1") = "8"
    & skf18("9","9","1","3","6","2","1") = "8"
    & skf18("9","9","1","3","6","3","1") = "8"
    & skf18("9","9","1","3","6","4","1") = "8"
    & skf18("9","9","1","3","6","5","1") = "8"
    & skf18("9","9","1","3","6","6","1") = "8"
    & skf18("9","9","1","3","6","7","1") = "8"
    & skf18("9","9","1","3","6","8","1") = "8"
    & skf18("9","9","1","3","6","9","1") = "8"
    & skf18("9","9","1","3","6","10","1") = "9"
    & skf18("9","9","1","3","7","1","1") = "8"
    & skf18("9","9","1","3","7","2","1") = "8"
    & skf18("9","9","1","3","7","3","1") = "8"
    & skf18("9","9","1","3","7","4","1") = "8"
    & skf18("9","9","1","3","7","5","1") = "8"
    & skf18("9","9","1","3","7","6","1") = "8"
    & skf18("9","9","1","3","7","7","1") = "8"
    & skf18("9","9","1","3","7","8","1") = "8"
    & skf18("9","9","1","3","7","9","1") = "8"
    & skf18("9","9","1","3","7","10","1") = "9"
    & skf18("9","9","1","3","8","1","1") = "8"
    & skf18("9","9","1","3","8","2","1") = "8"
    & skf18("9","9","1","3","8","3","1") = "8"
    & skf18("9","9","1","3","8","4","1") = "8"
    & skf18("9","9","1","3","8","5","1") = "8"
    & skf18("9","9","1","3","8","6","1") = "8"
    & skf18("9","9","1","3","8","7","1") = "8"
    & skf18("9","9","1","3","8","8","1") = "8"
    & skf18("9","9","1","3","8","9","1") = "8"
    & skf18("9","9","1","3","8","10","1") = "9"
    & skf18("9","9","1","3","9","1","1") = "8"
    & skf18("9","9","1","3","9","2","1") = "8"
    & skf18("9","9","1","3","9","3","1") = "8"
    & skf18("9","9","1","3","9","4","1") = "8"
    & skf18("9","9","1","3","9","5","1") = "8"
    & skf18("9","9","1","3","9","6","1") = "8"
    & skf18("9","9","1","3","9","7","1") = "8"
    & skf18("9","9","1","3","9","8","1") = "8"
    & skf18("9","9","1","3","9","9","1") = "8"
    & skf18("9","9","1","3","9","10","1") = "9"
    & skf18("9","9","1","3","10","1","1") = "9"
    & skf18("9","9","1","3","10","2","1") = "9"
    & skf18("9","9","1","3","10","3","1") = "9"
    & skf18("9","9","1","3","10","4","1") = "9"
    & skf18("9","9","1","3","10","5","1") = "9"
    & skf18("9","9","1","3","10","6","1") = "9"
    & skf18("9","9","1","3","10","7","1") = "9"
    & skf18("9","9","1","3","10","8","1") = "9"
    & skf18("9","9","1","3","10","9","1") = "9"
    & skf18("9","9","1","3","10","10","1") = "9"
    & skf18("9","9","1","4","1","1","1") = "8"
    & skf18("9","9","1","4","1","2","1") = "8"
    & skf18("9","9","1","4","1","3","1") = "8"
    & skf18("9","9","1","4","1","4","1") = "8"
    & skf18("9","9","1","4","1","5","1") = "8"
    & skf18("9","9","1","4","1","6","1") = "8"
    & skf18("9","9","1","4","1","7","1") = "8"
    & skf18("9","9","1","4","1","8","1") = "8"
    & skf18("9","9","1","4","1","9","1") = "8"
    & skf18("9","9","1","4","1","10","1") = "9"
    & skf18("9","9","1","4","2","1","1") = "8"
    & skf18("9","9","1","4","2","2","1") = "8"
    & skf18("9","9","1","4","2","3","1") = "8"
    & skf18("9","9","1","4","2","4","1") = "8"
    & skf18("9","9","1","4","2","5","1") = "8"
    & skf18("9","9","1","4","2","6","1") = "8"
    & skf18("9","9","1","4","2","7","1") = "8"
    & skf18("9","9","1","4","2","8","1") = "8"
    & skf18("9","9","1","4","2","9","1") = "8"
    & skf18("9","9","1","4","2","10","1") = "9"
    & skf18("9","9","1","4","3","1","1") = "8"
    & skf18("9","9","1","4","3","2","1") = "8"
    & skf18("9","9","1","4","3","3","1") = "8"
    & skf18("9","9","1","4","3","4","1") = "8"
    & skf18("9","9","1","4","3","5","1") = "8"
    & skf18("9","9","1","4","3","6","1") = "8"
    & skf18("9","9","1","4","3","7","1") = "8"
    & skf18("9","9","1","4","3","8","1") = "8"
    & skf18("9","9","1","4","3","9","1") = "8"
    & skf18("9","9","1","4","3","10","1") = "9"
    & skf18("9","9","1","4","4","1","1") = "8"
    & skf18("9","9","1","4","4","2","1") = "8"
    & skf18("9","9","1","4","4","3","1") = "8"
    & skf18("9","9","1","4","4","4","1") = "8"
    & skf18("9","9","1","4","4","5","1") = "8"
    & skf18("9","9","1","4","4","6","1") = "8"
    & skf18("9","9","1","4","4","7","1") = "8"
    & skf18("9","9","1","4","4","8","1") = "8"
    & skf18("9","9","1","4","4","9","1") = "8"
    & skf18("9","9","1","4","4","10","1") = "9"
    & skf18("9","9","1","4","5","1","1") = "8"
    & skf18("9","9","1","4","5","2","1") = "8"
    & skf18("9","9","1","4","5","3","1") = "8"
    & skf18("9","9","1","4","5","4","1") = "8"
    & skf18("9","9","1","4","5","5","1") = "8"
    & skf18("9","9","1","4","5","6","1") = "8"
    & skf18("9","9","1","4","5","7","1") = "8"
    & skf18("9","9","1","4","5","8","1") = "8"
    & skf18("9","9","1","4","5","9","1") = "8"
    & skf18("9","9","1","4","5","10","1") = "9"
    & skf18("9","9","1","4","6","1","1") = "8"
    & skf18("9","9","1","4","6","2","1") = "8"
    & skf18("9","9","1","4","6","3","1") = "8"
    & skf18("9","9","1","4","6","4","1") = "8"
    & skf18("9","9","1","4","6","5","1") = "8"
    & skf18("9","9","1","4","6","6","1") = "8"
    & skf18("9","9","1","4","6","7","1") = "8"
    & skf18("9","9","1","4","6","8","1") = "8"
    & skf18("9","9","1","4","6","9","1") = "8"
    & skf18("9","9","1","4","6","10","1") = "9"
    & skf18("9","9","1","4","7","1","1") = "8"
    & skf18("9","9","1","4","7","2","1") = "8"
    & skf18("9","9","1","4","7","3","1") = "8"
    & skf18("9","9","1","4","7","4","1") = "8"
    & skf18("9","9","1","4","7","5","1") = "8"
    & skf18("9","9","1","4","7","6","1") = "8"
    & skf18("9","9","1","4","7","7","1") = "8"
    & skf18("9","9","1","4","7","8","1") = "8"
    & skf18("9","9","1","4","7","9","1") = "8"
    & skf18("9","9","1","4","7","10","1") = "9"
    & skf18("9","9","1","4","8","1","1") = "8"
    & skf18("9","9","1","4","8","2","1") = "8"
    & skf18("9","9","1","4","8","3","1") = "8"
    & skf18("9","9","1","4","8","4","1") = "8"
    & skf18("9","9","1","4","8","5","1") = "8"
    & skf18("9","9","1","4","8","6","1") = "8"
    & skf18("9","9","1","4","8","7","1") = "8"
    & skf18("9","9","1","4","8","8","1") = "8"
    & skf18("9","9","1","4","8","9","1") = "8"
    & skf18("9","9","1","4","8","10","1") = "9"
    & skf18("9","9","1","4","9","1","1") = "8"
    & skf18("9","9","1","4","9","2","1") = "8"
    & skf18("9","9","1","4","9","3","1") = "8"
    & skf18("9","9","1","4","9","4","1") = "8"
    & skf18("9","9","1","4","9","5","1") = "8"
    & skf18("9","9","1","4","9","6","1") = "8"
    & skf18("9","9","1","4","9","7","1") = "8"
    & skf18("9","9","1","4","9","8","1") = "8"
    & skf18("9","9","1","4","9","9","1") = "8"
    & skf18("9","9","1","4","9","10","1") = "9"
    & skf18("9","9","1","4","10","1","1") = "9"
    & skf18("9","9","1","4","10","2","1") = "9"
    & skf18("9","9","1","4","10","3","1") = "9"
    & skf18("9","9","1","4","10","4","1") = "9"
    & skf18("9","9","1","4","10","5","1") = "9"
    & skf18("9","9","1","4","10","6","1") = "9"
    & skf18("9","9","1","4","10","7","1") = "9"
    & skf18("9","9","1","4","10","8","1") = "9"
    & skf18("9","9","1","4","10","9","1") = "9"
    & skf18("9","9","1","4","10","10","1") = "9"
    & skf18("9","9","1","5","1","1","1") = "8"
    & skf18("9","9","1","5","1","2","1") = "8"
    & skf18("9","9","1","5","1","3","1") = "8"
    & skf18("9","9","1","5","1","4","1") = "8"
    & skf18("9","9","1","5","1","5","1") = "8"
    & skf18("9","9","1","5","1","6","1") = "8"
    & skf18("9","9","1","5","1","7","1") = "8"
    & skf18("9","9","1","5","1","8","1") = "8"
    & skf18("9","9","1","5","1","9","1") = "8"
    & skf18("9","9","1","5","1","10","1") = "9"
    & skf18("9","9","1","5","2","1","1") = "8"
    & skf18("9","9","1","5","2","2","1") = "8"
    & skf18("9","9","1","5","2","3","1") = "8"
    & skf18("9","9","1","5","2","4","1") = "8"
    & skf18("9","9","1","5","2","5","1") = "8"
    & skf18("9","9","1","5","2","6","1") = "8"
    & skf18("9","9","1","5","2","7","1") = "8"
    & skf18("9","9","1","5","2","8","1") = "8"
    & skf18("9","9","1","5","2","9","1") = "8"
    & skf18("9","9","1","5","2","10","1") = "9"
    & skf18("9","9","1","5","3","1","1") = "8"
    & skf18("9","9","1","5","3","2","1") = "8"
    & skf18("9","9","1","5","3","3","1") = "8"
    & skf18("9","9","1","5","3","4","1") = "8"
    & skf18("9","9","1","5","3","5","1") = "8"
    & skf18("9","9","1","5","3","6","1") = "8"
    & skf18("9","9","1","5","3","7","1") = "8"
    & skf18("9","9","1","5","3","8","1") = "8"
    & skf18("9","9","1","5","3","9","1") = "8"
    & skf18("9","9","1","5","3","10","1") = "9"
    & skf18("9","9","1","5","4","1","1") = "8"
    & skf18("9","9","1","5","4","2","1") = "8"
    & skf18("9","9","1","5","4","3","1") = "8"
    & skf18("9","9","1","5","4","4","1") = "8"
    & skf18("9","9","1","5","4","5","1") = "8"
    & skf18("9","9","1","5","4","6","1") = "8"
    & skf18("9","9","1","5","4","7","1") = "8"
    & skf18("9","9","1","5","4","8","1") = "8"
    & skf18("9","9","1","5","4","9","1") = "8"
    & skf18("9","9","1","5","4","10","1") = "9"
    & skf18("9","9","1","5","5","1","1") = "8"
    & skf18("9","9","1","5","5","2","1") = "8"
    & skf18("9","9","1","5","5","3","1") = "8"
    & skf18("9","9","1","5","5","4","1") = "8"
    & skf18("9","9","1","5","5","5","1") = "8"
    & skf18("9","9","1","5","5","6","1") = "8"
    & skf18("9","9","1","5","5","7","1") = "8"
    & skf18("9","9","1","5","5","8","1") = "8"
    & skf18("9","9","1","5","5","9","1") = "8"
    & skf18("9","9","1","5","5","10","1") = "9"
    & skf18("9","9","1","5","6","1","1") = "8"
    & skf18("9","9","1","5","6","2","1") = "8"
    & skf18("9","9","1","5","6","3","1") = "8"
    & skf18("9","9","1","5","6","4","1") = "8"
    & skf18("9","9","1","5","6","5","1") = "8"
    & skf18("9","9","1","5","6","6","1") = "8"
    & skf18("9","9","1","5","6","7","1") = "8"
    & skf18("9","9","1","5","6","8","1") = "8"
    & skf18("9","9","1","5","6","9","1") = "8"
    & skf18("9","9","1","5","6","10","1") = "9"
    & skf18("9","9","1","5","7","1","1") = "8"
    & skf18("9","9","1","5","7","2","1") = "8"
    & skf18("9","9","1","5","7","3","1") = "8"
    & skf18("9","9","1","5","7","4","1") = "8"
    & skf18("9","9","1","5","7","5","1") = "8"
    & skf18("9","9","1","5","7","6","1") = "8"
    & skf18("9","9","1","5","7","7","1") = "8"
    & skf18("9","9","1","5","7","8","1") = "8"
    & skf18("9","9","1","5","7","9","1") = "8"
    & skf18("9","9","1","5","7","10","1") = "9"
    & skf18("9","9","1","5","8","1","1") = "8"
    & skf18("9","9","1","5","8","2","1") = "8"
    & skf18("9","9","1","5","8","3","1") = "8"
    & skf18("9","9","1","5","8","4","1") = "8"
    & skf18("9","9","1","5","8","5","1") = "8"
    & skf18("9","9","1","5","8","6","1") = "8"
    & skf18("9","9","1","5","8","7","1") = "8"
    & skf18("9","9","1","5","8","8","1") = "8"
    & skf18("9","9","1","5","8","9","1") = "8"
    & skf18("9","9","1","5","8","10","1") = "9"
    & skf18("9","9","1","5","9","1","1") = "8"
    & skf18("9","9","1","5","9","2","1") = "8"
    & skf18("9","9","1","5","9","3","1") = "8"
    & skf18("9","9","1","5","9","4","1") = "8"
    & skf18("9","9","1","5","9","5","1") = "8"
    & skf18("9","9","1","5","9","6","1") = "8"
    & skf18("9","9","1","5","9","7","1") = "8"
    & skf18("9","9","1","5","9","8","1") = "8"
    & skf18("9","9","1","5","9","9","1") = "8"
    & skf18("9","9","1","5","9","10","1") = "9"
    & skf18("9","9","1","5","10","1","1") = "9"
    & skf18("9","9","1","5","10","2","1") = "9"
    & skf18("9","9","1","5","10","3","1") = "9"
    & skf18("9","9","1","5","10","4","1") = "9"
    & skf18("9","9","1","5","10","5","1") = "9"
    & skf18("9","9","1","5","10","6","1") = "9"
    & skf18("9","9","1","5","10","7","1") = "9"
    & skf18("9","9","1","5","10","8","1") = "9"
    & skf18("9","9","1","5","10","9","1") = "9"
    & skf18("9","9","1","5","10","10","1") = "9"
    & skf18("9","9","1","6","1","1","1") = "8"
    & skf18("9","9","1","6","1","2","1") = "8"
    & skf18("9","9","1","6","1","3","1") = "8"
    & skf18("9","9","1","6","1","4","1") = "8"
    & skf18("9","9","1","6","1","5","1") = "8"
    & skf18("9","9","1","6","1","6","1") = "8"
    & skf18("9","9","1","6","1","7","1") = "8"
    & skf18("9","9","1","6","1","8","1") = "8"
    & skf18("9","9","1","6","1","9","1") = "8"
    & skf18("9","9","1","6","1","10","1") = "9"
    & skf18("9","9","1","6","2","1","1") = "8"
    & skf18("9","9","1","6","2","2","1") = "8"
    & skf18("9","9","1","6","2","3","1") = "8"
    & skf18("9","9","1","6","2","4","1") = "8"
    & skf18("9","9","1","6","2","5","1") = "8"
    & skf18("9","9","1","6","2","6","1") = "8"
    & skf18("9","9","1","6","2","7","1") = "8"
    & skf18("9","9","1","6","2","8","1") = "8"
    & skf18("9","9","1","6","2","9","1") = "8"
    & skf18("9","9","1","6","2","10","1") = "9"
    & skf18("9","9","1","6","3","1","1") = "8"
    & skf18("9","9","1","6","3","2","1") = "8"
    & skf18("9","9","1","6","3","3","1") = "8"
    & skf18("9","9","1","6","3","4","1") = "8"
    & skf18("9","9","1","6","3","5","1") = "8"
    & skf18("9","9","1","6","3","6","1") = "8"
    & skf18("9","9","1","6","3","7","1") = "8"
    & skf18("9","9","1","6","3","8","1") = "8"
    & skf18("9","9","1","6","3","9","1") = "8"
    & skf18("9","9","1","6","3","10","1") = "9"
    & skf18("9","9","1","6","4","1","1") = "8"
    & skf18("9","9","1","6","4","2","1") = "8"
    & skf18("9","9","1","6","4","3","1") = "8"
    & skf18("9","9","1","6","4","4","1") = "8"
    & skf18("9","9","1","6","4","5","1") = "8"
    & skf18("9","9","1","6","4","6","1") = "8"
    & skf18("9","9","1","6","4","7","1") = "8"
    & skf18("9","9","1","6","4","8","1") = "8"
    & skf18("9","9","1","6","4","9","1") = "8"
    & skf18("9","9","1","6","4","10","1") = "9"
    & skf18("9","9","1","6","5","1","1") = "8"
    & skf18("9","9","1","6","5","2","1") = "8"
    & skf18("9","9","1","6","5","3","1") = "8"
    & skf18("9","9","1","6","5","4","1") = "8"
    & skf18("9","9","1","6","5","5","1") = "8"
    & skf18("9","9","1","6","5","6","1") = "8"
    & skf18("9","9","1","6","5","7","1") = "8"
    & skf18("9","9","1","6","5","8","1") = "8"
    & skf18("9","9","1","6","5","9","1") = "8"
    & skf18("9","9","1","6","5","10","1") = "9"
    & skf18("9","9","1","6","6","1","1") = "8"
    & skf18("9","9","1","6","6","2","1") = "8"
    & skf18("9","9","1","6","6","3","1") = "8"
    & skf18("9","9","1","6","6","4","1") = "8"
    & skf18("9","9","1","6","6","5","1") = "8"
    & skf18("9","9","1","6","6","6","1") = "8"
    & skf18("9","9","1","6","6","7","1") = "8"
    & skf18("9","9","1","6","6","8","1") = "8"
    & skf18("9","9","1","6","6","9","1") = "8"
    & skf18("9","9","1","6","6","10","1") = "9"
    & skf18("9","9","1","6","7","1","1") = "8"
    & skf18("9","9","1","6","7","2","1") = "8"
    & skf18("9","9","1","6","7","3","1") = "8"
    & skf18("9","9","1","6","7","4","1") = "8"
    & skf18("9","9","1","6","7","5","1") = "8"
    & skf18("9","9","1","6","7","6","1") = "8"
    & skf18("9","9","1","6","7","7","1") = "8"
    & skf18("9","9","1","6","7","8","1") = "8"
    & skf18("9","9","1","6","7","9","1") = "8"
    & skf18("9","9","1","6","7","10","1") = "9"
    & skf18("9","9","1","6","8","1","1") = "8"
    & skf18("9","9","1","6","8","2","1") = "8"
    & skf18("9","9","1","6","8","3","1") = "8"
    & skf18("9","9","1","6","8","4","1") = "8"
    & skf18("9","9","1","6","8","5","1") = "8"
    & skf18("9","9","1","6","8","6","1") = "8"
    & skf18("9","9","1","6","8","7","1") = "8"
    & skf18("9","9","1","6","8","8","1") = "8"
    & skf18("9","9","1","6","8","9","1") = "8"
    & skf18("9","9","1","6","8","10","1") = "9"
    & skf18("9","9","1","6","9","1","1") = "8"
    & skf18("9","9","1","6","9","2","1") = "8"
    & skf18("9","9","1","6","9","3","1") = "8"
    & skf18("9","9","1","6","9","4","1") = "8"
    & skf18("9","9","1","6","9","5","1") = "8"
    & skf18("9","9","1","6","9","6","1") = "8"
    & skf18("9","9","1","6","9","7","1") = "8"
    & skf18("9","9","1","6","9","8","1") = "8"
    & skf18("9","9","1","6","9","9","1") = "8"
    & skf18("9","9","1","6","9","10","1") = "9"
    & skf18("9","9","1","6","10","1","1") = "9"
    & skf18("9","9","1","6","10","2","1") = "9"
    & skf18("9","9","1","6","10","3","1") = "9"
    & skf18("9","9","1","6","10","4","1") = "9"
    & skf18("9","9","1","6","10","5","1") = "9"
    & skf18("9","9","1","6","10","6","1") = "9"
    & skf18("9","9","1","6","10","7","1") = "9"
    & skf18("9","9","1","6","10","8","1") = "9"
    & skf18("9","9","1","6","10","9","1") = "9"
    & skf18("9","9","1","6","10","10","1") = "9"
    & skf18("9","9","1","7","1","1","1") = "8"
    & skf18("9","9","1","7","1","2","1") = "8"
    & skf18("9","9","1","7","1","3","1") = "8"
    & skf18("9","9","1","7","1","4","1") = "8"
    & skf18("9","9","1","7","1","5","1") = "8"
    & skf18("9","9","1","7","1","6","1") = "8"
    & skf18("9","9","1","7","1","7","1") = "8"
    & skf18("9","9","1","7","1","8","1") = "8"
    & skf18("9","9","1","7","1","9","1") = "8"
    & skf18("9","9","1","7","1","10","1") = "9"
    & skf18("9","9","1","7","2","1","1") = "8"
    & skf18("9","9","1","7","2","2","1") = "8"
    & skf18("9","9","1","7","2","3","1") = "8"
    & skf18("9","9","1","7","2","4","1") = "8"
    & skf18("9","9","1","7","2","5","1") = "8"
    & skf18("9","9","1","7","2","6","1") = "8"
    & skf18("9","9","1","7","2","7","1") = "8"
    & skf18("9","9","1","7","2","8","1") = "8"
    & skf18("9","9","1","7","2","9","1") = "8"
    & skf18("9","9","1","7","2","10","1") = "9"
    & skf18("9","9","1","7","3","1","1") = "8"
    & skf18("9","9","1","7","3","2","1") = "8"
    & skf18("9","9","1","7","3","3","1") = "8"
    & skf18("9","9","1","7","3","4","1") = "8"
    & skf18("9","9","1","7","3","5","1") = "8"
    & skf18("9","9","1","7","3","6","1") = "8"
    & skf18("9","9","1","7","3","7","1") = "8"
    & skf18("9","9","1","7","3","8","1") = "8"
    & skf18("9","9","1","7","3","9","1") = "8"
    & skf18("9","9","1","7","3","10","1") = "9"
    & skf18("9","9","1","7","4","1","1") = "8"
    & skf18("9","9","1","7","4","2","1") = "8"
    & skf18("9","9","1","7","4","3","1") = "8"
    & skf18("9","9","1","7","4","4","1") = "8"
    & skf18("9","9","1","7","4","5","1") = "8"
    & skf18("9","9","1","7","4","6","1") = "8"
    & skf18("9","9","1","7","4","7","1") = "8"
    & skf18("9","9","1","7","4","8","1") = "8"
    & skf18("9","9","1","7","4","9","1") = "8"
    & skf18("9","9","1","7","4","10","1") = "9"
    & skf18("9","9","1","7","5","1","1") = "8"
    & skf18("9","9","1","7","5","2","1") = "8"
    & skf18("9","9","1","7","5","3","1") = "8"
    & skf18("9","9","1","7","5","4","1") = "8"
    & skf18("9","9","1","7","5","5","1") = "8"
    & skf18("9","9","1","7","5","6","1") = "8"
    & skf18("9","9","1","7","5","7","1") = "8"
    & skf18("9","9","1","7","5","8","1") = "8"
    & skf18("9","9","1","7","5","9","1") = "8"
    & skf18("9","9","1","7","5","10","1") = "9"
    & skf18("9","9","1","7","6","1","1") = "8"
    & skf18("9","9","1","7","6","2","1") = "8"
    & skf18("9","9","1","7","6","3","1") = "8"
    & skf18("9","9","1","7","6","4","1") = "8"
    & skf18("9","9","1","7","6","5","1") = "8"
    & skf18("9","9","1","7","6","6","1") = "8"
    & skf18("9","9","1","7","6","7","1") = "8"
    & skf18("9","9","1","7","6","8","1") = "8"
    & skf18("9","9","1","7","6","9","1") = "8"
    & skf18("9","9","1","7","6","10","1") = "9"
    & skf18("9","9","1","7","7","1","1") = "8"
    & skf18("9","9","1","7","7","2","1") = "8"
    & skf18("9","9","1","7","7","3","1") = "8"
    & skf18("9","9","1","7","7","4","1") = "8"
    & skf18("9","9","1","7","7","5","1") = "8"
    & skf18("9","9","1","7","7","6","1") = "8"
    & skf18("9","9","1","7","7","7","1") = "8"
    & skf18("9","9","1","7","7","8","1") = "8"
    & skf18("9","9","1","7","7","9","1") = "8"
    & skf18("9","9","1","7","7","10","1") = "9"
    & skf18("9","9","1","7","8","1","1") = "8"
    & skf18("9","9","1","7","8","2","1") = "8"
    & skf18("9","9","1","7","8","3","1") = "8"
    & skf18("9","9","1","7","8","4","1") = "8"
    & skf18("9","9","1","7","8","5","1") = "8"
    & skf18("9","9","1","7","8","6","1") = "8"
    & skf18("9","9","1","7","8","7","1") = "8"
    & skf18("9","9","1","7","8","8","1") = "8"
    & skf18("9","9","1","7","8","9","1") = "8"
    & skf18("9","9","1","7","8","10","1") = "9"
    & skf18("9","9","1","7","9","1","1") = "8"
    & skf18("9","9","1","7","9","2","1") = "8"
    & skf18("9","9","1","7","9","3","1") = "8"
    & skf18("9","9","1","7","9","4","1") = "8"
    & skf18("9","9","1","7","9","5","1") = "8"
    & skf18("9","9","1","7","9","6","1") = "8"
    & skf18("9","9","1","7","9","7","1") = "8"
    & skf18("9","9","1","7","9","8","1") = "8"
    & skf18("9","9","1","7","9","9","1") = "8"
    & skf18("9","9","1","7","9","10","1") = "9"
    & skf18("9","9","1","7","10","1","1") = "9"
    & skf18("9","9","1","7","10","2","1") = "9"
    & skf18("9","9","1","7","10","3","1") = "9"
    & skf18("9","9","1","7","10","4","1") = "9"
    & skf18("9","9","1","7","10","5","1") = "9"
    & skf18("9","9","1","7","10","6","1") = "9"
    & skf18("9","9","1","7","10","7","1") = "9"
    & skf18("9","9","1","7","10","8","1") = "9"
    & skf18("9","9","1","7","10","9","1") = "9"
    & skf18("9","9","1","7","10","10","1") = "9"
    & skf18("9","9","1","8","1","1","1") = "8"
    & skf18("9","9","1","8","1","2","1") = "8"
    & skf18("9","9","1","8","1","3","1") = "8"
    & skf18("9","9","1","8","1","4","1") = "8"
    & skf18("9","9","1","8","1","5","1") = "8"
    & skf18("9","9","1","8","1","6","1") = "8"
    & skf18("9","9","1","8","1","7","1") = "8"
    & skf18("9","9","1","8","1","8","1") = "8"
    & skf18("9","9","1","8","1","9","1") = "8"
    & skf18("9","9","1","8","1","10","1") = "9"
    & skf18("9","9","1","8","2","1","1") = "8"
    & skf18("9","9","1","8","2","2","1") = "8"
    & skf18("9","9","1","8","2","3","1") = "8"
    & skf18("9","9","1","8","2","4","1") = "8"
    & skf18("9","9","1","8","2","5","1") = "8"
    & skf18("9","9","1","8","2","6","1") = "8"
    & skf18("9","9","1","8","2","7","1") = "8"
    & skf18("9","9","1","8","2","8","1") = "8"
    & skf18("9","9","1","8","2","9","1") = "8"
    & skf18("9","9","1","8","2","10","1") = "9"
    & skf18("9","9","1","8","3","1","1") = "8"
    & skf18("9","9","1","8","3","2","1") = "8"
    & skf18("9","9","1","8","3","3","1") = "8"
    & skf18("9","9","1","8","3","4","1") = "8"
    & skf18("9","9","1","8","3","5","1") = "8"
    & skf18("9","9","1","8","3","6","1") = "8"
    & skf18("9","9","1","8","3","7","1") = "8"
    & skf18("9","9","1","8","3","8","1") = "8"
    & skf18("9","9","1","8","3","9","1") = "8"
    & skf18("9","9","1","8","3","10","1") = "9"
    & skf18("9","9","1","8","4","1","1") = "8"
    & skf18("9","9","1","8","4","2","1") = "8"
    & skf18("9","9","1","8","4","3","1") = "8"
    & skf18("9","9","1","8","4","4","1") = "8"
    & skf18("9","9","1","8","4","5","1") = "8"
    & skf18("9","9","1","8","4","6","1") = "8"
    & skf18("9","9","1","8","4","7","1") = "8"
    & skf18("9","9","1","8","4","8","1") = "8"
    & skf18("9","9","1","8","4","9","1") = "8"
    & skf18("9","9","1","8","4","10","1") = "9"
    & skf18("9","9","1","8","5","1","1") = "8"
    & skf18("9","9","1","8","5","2","1") = "8"
    & skf18("9","9","1","8","5","3","1") = "8"
    & skf18("9","9","1","8","5","4","1") = "8"
    & skf18("9","9","1","8","5","5","1") = "8"
    & skf18("9","9","1","8","5","6","1") = "8"
    & skf18("9","9","1","8","5","7","1") = "8"
    & skf18("9","9","1","8","5","8","1") = "8"
    & skf18("9","9","1","8","5","9","1") = "8"
    & skf18("9","9","1","8","5","10","1") = "9"
    & skf18("9","9","1","8","6","1","1") = "8"
    & skf18("9","9","1","8","6","2","1") = "8"
    & skf18("9","9","1","8","6","3","1") = "8"
    & skf18("9","9","1","8","6","4","1") = "8"
    & skf18("9","9","1","8","6","5","1") = "8"
    & skf18("9","9","1","8","6","6","1") = "8"
    & skf18("9","9","1","8","6","7","1") = "8"
    & skf18("9","9","1","8","6","8","1") = "8"
    & skf18("9","9","1","8","6","9","1") = "8"
    & skf18("9","9","1","8","6","10","1") = "9"
    & skf18("9","9","1","8","7","1","1") = "8"
    & skf18("9","9","1","8","7","2","1") = "8"
    & skf18("9","9","1","8","7","3","1") = "8"
    & skf18("9","9","1","8","7","4","1") = "8"
    & skf18("9","9","1","8","7","5","1") = "8"
    & skf18("9","9","1","8","7","6","1") = "8"
    & skf18("9","9","1","8","7","7","1") = "8"
    & skf18("9","9","1","8","7","8","1") = "8"
    & skf18("9","9","1","8","7","9","1") = "8"
    & skf18("9","9","1","8","7","10","1") = "9"
    & skf18("9","9","1","8","8","1","1") = "8"
    & skf18("9","9","1","8","8","2","1") = "8"
    & skf18("9","9","1","8","8","3","1") = "8"
    & skf18("9","9","1","8","8","4","1") = "8"
    & skf18("9","9","1","8","8","5","1") = "8"
    & skf18("9","9","1","8","8","6","1") = "8"
    & skf18("9","9","1","8","8","7","1") = "8"
    & skf18("9","9","1","8","8","8","1") = "8"
    & skf18("9","9","1","8","8","9","1") = "8"
    & skf18("9","9","1","8","8","10","1") = "9"
    & skf18("9","9","1","8","9","1","1") = "8"
    & skf18("9","9","1","8","9","2","1") = "8"
    & skf18("9","9","1","8","9","3","1") = "8"
    & skf18("9","9","1","8","9","4","1") = "8"
    & skf18("9","9","1","8","9","5","1") = "8"
    & skf18("9","9","1","8","9","6","1") = "8"
    & skf18("9","9","1","8","9","7","1") = "8"
    & skf18("9","9","1","8","9","8","1") = "8"
    & skf18("9","9","1","8","9","9","1") = "8"
    & skf18("9","9","1","8","9","10","1") = "9"
    & skf18("9","9","1","8","10","1","1") = "9"
    & skf18("9","9","1","8","10","2","1") = "9"
    & skf18("9","9","1","8","10","3","1") = "9"
    & skf18("9","9","1","8","10","4","1") = "9"
    & skf18("9","9","1","8","10","5","1") = "9"
    & skf18("9","9","1","8","10","6","1") = "9"
    & skf18("9","9","1","8","10","7","1") = "9"
    & skf18("9","9","1","8","10","8","1") = "9"
    & skf18("9","9","1","8","10","9","1") = "9"
    & skf18("9","9","1","8","10","10","1") = "9"
    & skf18("9","9","1","9","1","1","1") = "8"
    & skf18("9","9","1","9","1","2","1") = "8"
    & skf18("9","9","1","9","1","3","1") = "8"
    & skf18("9","9","1","9","1","4","1") = "8"
    & skf18("9","9","1","9","1","5","1") = "8"
    & skf18("9","9","1","9","1","6","1") = "8"
    & skf18("9","9","1","9","1","7","1") = "8"
    & skf18("9","9","1","9","1","8","1") = "8"
    & skf18("9","9","1","9","1","9","1") = "8"
    & skf18("9","9","1","9","1","10","1") = "9"
    & skf18("9","9","1","9","2","1","1") = "8"
    & skf18("9","9","1","9","2","2","1") = "8"
    & skf18("9","9","1","9","2","3","1") = "8"
    & skf18("9","9","1","9","2","4","1") = "8"
    & skf18("9","9","1","9","2","5","1") = "8"
    & skf18("9","9","1","9","2","6","1") = "8"
    & skf18("9","9","1","9","2","7","1") = "8"
    & skf18("9","9","1","9","2","8","1") = "8"
    & skf18("9","9","1","9","2","9","1") = "8"
    & skf18("9","9","1","9","2","10","1") = "9"
    & skf18("9","9","1","9","3","1","1") = "8"
    & skf18("9","9","1","9","3","2","1") = "8"
    & skf18("9","9","1","9","3","3","1") = "8"
    & skf18("9","9","1","9","3","4","1") = "8"
    & skf18("9","9","1","9","3","5","1") = "8"
    & skf18("9","9","1","9","3","6","1") = "8"
    & skf18("9","9","1","9","3","7","1") = "8"
    & skf18("9","9","1","9","3","8","1") = "8"
    & skf18("9","9","1","9","3","9","1") = "8"
    & skf18("9","9","1","9","3","10","1") = "9"
    & skf18("9","9","1","9","4","1","1") = "8"
    & skf18("9","9","1","9","4","2","1") = "8"
    & skf18("9","9","1","9","4","3","1") = "8"
    & skf18("9","9","1","9","4","4","1") = "8"
    & skf18("9","9","1","9","4","5","1") = "8"
    & skf18("9","9","1","9","4","6","1") = "8"
    & skf18("9","9","1","9","4","7","1") = "8"
    & skf18("9","9","1","9","4","8","1") = "8"
    & skf18("9","9","1","9","4","9","1") = "8"
    & skf18("9","9","1","9","4","10","1") = "9"
    & skf18("9","9","1","9","5","1","1") = "8"
    & skf18("9","9","1","9","5","2","1") = "8"
    & skf18("9","9","1","9","5","3","1") = "8"
    & skf18("9","9","1","9","5","4","1") = "8"
    & skf18("9","9","1","9","5","5","1") = "8"
    & skf18("9","9","1","9","5","6","1") = "8"
    & skf18("9","9","1","9","5","7","1") = "8"
    & skf18("9","9","1","9","5","8","1") = "8"
    & skf18("9","9","1","9","5","9","1") = "8"
    & skf18("9","9","1","9","5","10","1") = "9"
    & skf18("9","9","1","9","6","1","1") = "8"
    & skf18("9","9","1","9","6","2","1") = "8"
    & skf18("9","9","1","9","6","3","1") = "8"
    & skf18("9","9","1","9","6","4","1") = "8"
    & skf18("9","9","1","9","6","5","1") = "8"
    & skf18("9","9","1","9","6","6","1") = "8"
    & skf18("9","9","1","9","6","7","1") = "8"
    & skf18("9","9","1","9","6","8","1") = "8"
    & skf18("9","9","1","9","6","9","1") = "8"
    & skf18("9","9","1","9","6","10","1") = "9"
    & skf18("9","9","1","9","7","1","1") = "8"
    & skf18("9","9","1","9","7","2","1") = "8"
    & skf18("9","9","1","9","7","3","1") = "8"
    & skf18("9","9","1","9","7","4","1") = "8"
    & skf18("9","9","1","9","7","5","1") = "8"
    & skf18("9","9","1","9","7","6","1") = "8"
    & skf18("9","9","1","9","7","7","1") = "8"
    & skf18("9","9","1","9","7","8","1") = "8"
    & skf18("9","9","1","9","7","9","1") = "8"
    & skf18("9","9","1","9","7","10","1") = "9"
    & skf18("9","9","1","9","8","1","1") = "8"
    & skf18("9","9","1","9","8","2","1") = "8"
    & skf18("9","9","1","9","8","3","1") = "8"
    & skf18("9","9","1","9","8","4","1") = "8"
    & skf18("9","9","1","9","8","5","1") = "8"
    & skf18("9","9","1","9","8","6","1") = "8"
    & skf18("9","9","1","9","8","7","1") = "8"
    & skf18("9","9","1","9","8","8","1") = "8"
    & skf18("9","9","1","9","8","9","1") = "8"
    & skf18("9","9","1","9","8","10","1") = "9"
    & skf18("9","9","1","9","9","1","1") = "8"
    & skf18("9","9","1","9","9","2","1") = "8"
    & skf18("9","9","1","9","9","3","1") = "8"
    & skf18("9","9","1","9","9","4","1") = "8"
    & skf18("9","9","1","9","9","5","1") = "8"
    & skf18("9","9","1","9","9","6","1") = "8"
    & skf18("9","9","1","9","9","7","1") = "8"
    & skf18("9","9","1","9","9","8","1") = "8"
    & skf18("9","9","1","9","9","9","1") = "8"
    & skf18("9","9","1","9","9","10","1") = "9"
    & skf18("9","9","1","9","10","1","1") = "9"
    & skf18("9","9","1","9","10","2","1") = "9"
    & skf18("9","9","1","9","10","3","1") = "9"
    & skf18("9","9","1","9","10","4","1") = "9"
    & skf18("9","9","1","9","10","5","1") = "9"
    & skf18("9","9","1","9","10","6","1") = "9"
    & skf18("9","9","1","9","10","7","1") = "9"
    & skf18("9","9","1","9","10","8","1") = "9"
    & skf18("9","9","1","9","10","9","1") = "9"
    & skf18("9","9","1","9","10","10","1") = "9"
    & skf18("9","9","1","10","1","1","1") = "9"
    & skf18("9","9","1","10","1","2","1") = "9"
    & skf18("9","9","1","10","1","3","1") = "9"
    & skf18("9","9","1","10","1","4","1") = "9"
    & skf18("9","9","1","10","1","5","1") = "9"
    & skf18("9","9","1","10","1","6","1") = "9"
    & skf18("9","9","1","10","1","7","1") = "9"
    & skf18("9","9","1","10","1","8","1") = "9"
    & skf18("9","9","1","10","1","9","1") = "9"
    & skf18("9","9","1","10","1","10","1") = "9"
    & skf18("9","9","1","10","2","1","1") = "9"
    & skf18("9","9","1","10","2","2","1") = "9"
    & skf18("9","9","1","10","2","3","1") = "9"
    & skf18("9","9","1","10","2","4","1") = "9"
    & skf18("9","9","1","10","2","5","1") = "9"
    & skf18("9","9","1","10","2","6","1") = "9"
    & skf18("9","9","1","10","2","7","1") = "9"
    & skf18("9","9","1","10","2","8","1") = "9"
    & skf18("9","9","1","10","2","9","1") = "9"
    & skf18("9","9","1","10","2","10","1") = "9"
    & skf18("9","9","1","10","3","1","1") = "9"
    & skf18("9","9","1","10","3","2","1") = "9"
    & skf18("9","9","1","10","3","3","1") = "9"
    & skf18("9","9","1","10","3","4","1") = "9"
    & skf18("9","9","1","10","3","5","1") = "9"
    & skf18("9","9","1","10","3","6","1") = "9"
    & skf18("9","9","1","10","3","7","1") = "9"
    & skf18("9","9","1","10","3","8","1") = "9"
    & skf18("9","9","1","10","3","9","1") = "9"
    & skf18("9","9","1","10","3","10","1") = "9"
    & skf18("9","9","1","10","4","1","1") = "9"
    & skf18("9","9","1","10","4","2","1") = "9"
    & skf18("9","9","1","10","4","3","1") = "9"
    & skf18("9","9","1","10","4","4","1") = "9"
    & skf18("9","9","1","10","4","5","1") = "9"
    & skf18("9","9","1","10","4","6","1") = "9"
    & skf18("9","9","1","10","4","7","1") = "9"
    & skf18("9","9","1","10","4","8","1") = "9"
    & skf18("9","9","1","10","4","9","1") = "9"
    & skf18("9","9","1","10","4","10","1") = "9"
    & skf18("9","9","1","10","5","1","1") = "9"
    & skf18("9","9","1","10","5","2","1") = "9"
    & skf18("9","9","1","10","5","3","1") = "9"
    & skf18("9","9","1","10","5","4","1") = "9"
    & skf18("9","9","1","10","5","5","1") = "9"
    & skf18("9","9","1","10","5","6","1") = "9"
    & skf18("9","9","1","10","5","7","1") = "9"
    & skf18("9","9","1","10","5","8","1") = "9"
    & skf18("9","9","1","10","5","9","1") = "9"
    & skf18("9","9","1","10","5","10","1") = "9"
    & skf18("9","9","1","10","6","1","1") = "9"
    & skf18("9","9","1","10","6","2","1") = "9"
    & skf18("9","9","1","10","6","3","1") = "9"
    & skf18("9","9","1","10","6","4","1") = "9"
    & skf18("9","9","1","10","6","5","1") = "9"
    & skf18("9","9","1","10","6","6","1") = "9"
    & skf18("9","9","1","10","6","7","1") = "9"
    & skf18("9","9","1","10","6","8","1") = "9"
    & skf18("9","9","1","10","6","9","1") = "9"
    & skf18("9","9","1","10","6","10","1") = "9"
    & skf18("9","9","1","10","7","1","1") = "9"
    & skf18("9","9","1","10","7","2","1") = "9"
    & skf18("9","9","1","10","7","3","1") = "9"
    & skf18("9","9","1","10","7","4","1") = "9"
    & skf18("9","9","1","10","7","5","1") = "9"
    & skf18("9","9","1","10","7","6","1") = "9"
    & skf18("9","9","1","10","7","7","1") = "9"
    & skf18("9","9","1","10","7","8","1") = "9"
    & skf18("9","9","1","10","7","9","1") = "9"
    & skf18("9","9","1","10","7","10","1") = "9"
    & skf18("9","9","1","10","8","1","1") = "9"
    & skf18("9","9","1","10","8","2","1") = "9"
    & skf18("9","9","1","10","8","3","1") = "9"
    & skf18("9","9","1","10","8","4","1") = "9"
    & skf18("9","9","1","10","8","5","1") = "9"
    & skf18("9","9","1","10","8","6","1") = "9"
    & skf18("9","9","1","10","8","7","1") = "9"
    & skf18("9","9","1","10","8","8","1") = "9"
    & skf18("9","9","1","10","8","9","1") = "9"
    & skf18("9","9","1","10","8","10","1") = "9"
    & skf18("9","9","1","10","9","1","1") = "9"
    & skf18("9","9","1","10","9","2","1") = "9"
    & skf18("9","9","1","10","9","3","1") = "9"
    & skf18("9","9","1","10","9","4","1") = "9"
    & skf18("9","9","1","10","9","5","1") = "9"
    & skf18("9","9","1","10","9","6","1") = "9"
    & skf18("9","9","1","10","9","7","1") = "9"
    & skf18("9","9","1","10","9","8","1") = "9"
    & skf18("9","9","1","10","9","9","1") = "9"
    & skf18("9","9","1","10","9","10","1") = "9"
    & skf18("9","9","1","10","10","1","1") = "9"
    & skf18("9","9","1","10","10","2","1") = "9"
    & skf18("9","9","1","10","10","3","1") = "9"
    & skf18("9","9","1","10","10","4","1") = "9"
    & skf18("9","9","1","10","10","5","1") = "9"
    & skf18("9","9","1","10","10","6","1") = "9"
    & skf18("9","9","1","10","10","7","1") = "9"
    & skf18("9","9","1","10","10","8","1") = "9"
    & skf18("9","9","1","10","10","9","1") = "9"
    & skf18("9","9","1","10","10","10","1") = "9"
    & skf18("9","9","2","1","1","1","1") = "8"
    & skf18("9","9","2","1","1","2","1") = "8"
    & skf18("9","9","2","1","1","3","1") = "8"
    & skf18("9","9","2","1","1","4","1") = "8"
    & skf18("9","9","2","1","1","5","1") = "8"
    & skf18("9","9","2","1","1","6","1") = "8"
    & skf18("9","9","2","1","1","7","1") = "8"
    & skf18("9","9","2","1","1","8","1") = "8"
    & skf18("9","9","2","1","1","9","1") = "8"
    & skf18("9","9","2","1","1","10","1") = "9"
    & skf18("9","9","2","1","2","1","1") = "8"
    & skf18("9","9","2","1","2","2","1") = "8"
    & skf18("9","9","2","1","2","3","1") = "8"
    & skf18("9","9","2","1","2","4","1") = "8"
    & skf18("9","9","2","1","2","5","1") = "8"
    & skf18("9","9","2","1","2","6","1") = "8"
    & skf18("9","9","2","1","2","7","1") = "8"
    & skf18("9","9","2","1","2","8","1") = "8"
    & skf18("9","9","2","1","2","9","1") = "8"
    & skf18("9","9","2","1","2","10","1") = "9"
    & skf18("9","9","2","1","3","1","1") = "8"
    & skf18("9","9","2","1","3","2","1") = "8"
    & skf18("9","9","2","1","3","3","1") = "8"
    & skf18("9","9","2","1","3","4","1") = "8"
    & skf18("9","9","2","1","3","5","1") = "8"
    & skf18("9","9","2","1","3","6","1") = "8"
    & skf18("9","9","2","1","3","7","1") = "8"
    & skf18("9","9","2","1","3","8","1") = "8"
    & skf18("9","9","2","1","3","9","1") = "8"
    & skf18("9","9","2","1","3","10","1") = "9"
    & skf18("9","9","2","1","4","1","1") = "8"
    & skf18("9","9","2","1","4","2","1") = "8"
    & skf18("9","9","2","1","4","3","1") = "8"
    & skf18("9","9","2","1","4","4","1") = "8"
    & skf18("9","9","2","1","4","5","1") = "8"
    & skf18("9","9","2","1","4","6","1") = "8"
    & skf18("9","9","2","1","4","7","1") = "8"
    & skf18("9","9","2","1","4","8","1") = "8"
    & skf18("9","9","2","1","4","9","1") = "8"
    & skf18("9","9","2","1","4","10","1") = "9"
    & skf18("9","9","2","1","5","1","1") = "8"
    & skf18("9","9","2","1","5","2","1") = "8"
    & skf18("9","9","2","1","5","3","1") = "8"
    & skf18("9","9","2","1","5","4","1") = "8"
    & skf18("9","9","2","1","5","5","1") = "8"
    & skf18("9","9","2","1","5","6","1") = "8"
    & skf18("9","9","2","1","5","7","1") = "8"
    & skf18("9","9","2","1","5","8","1") = "8"
    & skf18("9","9","2","1","5","9","1") = "8"
    & skf18("9","9","2","1","5","10","1") = "9"
    & skf18("9","9","2","1","6","1","1") = "8"
    & skf18("9","9","2","1","6","2","1") = "8"
    & skf18("9","9","2","1","6","3","1") = "8"
    & skf18("9","9","2","1","6","4","1") = "8"
    & skf18("9","9","2","1","6","5","1") = "8"
    & skf18("9","9","2","1","6","6","1") = "8"
    & skf18("9","9","2","1","6","7","1") = "8"
    & skf18("9","9","2","1","6","8","1") = "8"
    & skf18("9","9","2","1","6","9","1") = "8"
    & skf18("9","9","2","1","6","10","1") = "9"
    & skf18("9","9","2","1","7","1","1") = "8"
    & skf18("9","9","2","1","7","2","1") = "8"
    & skf18("9","9","2","1","7","3","1") = "8"
    & skf18("9","9","2","1","7","4","1") = "8"
    & skf18("9","9","2","1","7","5","1") = "8"
    & skf18("9","9","2","1","7","6","1") = "8"
    & skf18("9","9","2","1","7","7","1") = "8"
    & skf18("9","9","2","1","7","8","1") = "8"
    & skf18("9","9","2","1","7","9","1") = "8"
    & skf18("9","9","2","1","7","10","1") = "9"
    & skf18("9","9","2","1","8","1","1") = "8"
    & skf18("9","9","2","1","8","2","1") = "8"
    & skf18("9","9","2","1","8","3","1") = "8"
    & skf18("9","9","2","1","8","4","1") = "8"
    & skf18("9","9","2","1","8","5","1") = "8"
    & skf18("9","9","2","1","8","6","1") = "8"
    & skf18("9","9","2","1","8","7","1") = "8"
    & skf18("9","9","2","1","8","8","1") = "8"
    & skf18("9","9","2","1","8","9","1") = "8"
    & skf18("9","9","2","1","8","10","1") = "9"
    & skf18("9","9","2","1","9","1","1") = "8"
    & skf18("9","9","2","1","9","2","1") = "8"
    & skf18("9","9","2","1","9","3","1") = "8"
    & skf18("9","9","2","1","9","4","1") = "8"
    & skf18("9","9","2","1","9","5","1") = "8"
    & skf18("9","9","2","1","9","6","1") = "8"
    & skf18("9","9","2","1","9","7","1") = "8"
    & skf18("9","9","2","1","9","8","1") = "8"
    & skf18("9","9","2","1","9","9","1") = "8"
    & skf18("9","9","2","1","9","10","1") = "9"
    & skf18("9","9","2","1","10","1","1") = "9"
    & skf18("9","9","2","1","10","2","1") = "9"
    & skf18("9","9","2","1","10","3","1") = "9"
    & skf18("9","9","2","1","10","4","1") = "9"
    & skf18("9","9","2","1","10","5","1") = "9"
    & skf18("9","9","2","1","10","6","1") = "9"
    & skf18("9","9","2","1","10","7","1") = "9"
    & skf18("9","9","2","1","10","8","1") = "9"
    & skf18("9","9","2","1","10","9","1") = "9"
    & skf18("9","9","2","1","10","10","1") = "9"
    & skf18("9","9","2","2","1","1","1") = "8"
    & skf18("9","9","2","2","1","2","1") = "8"
    & skf18("9","9","2","2","1","3","1") = "8"
    & skf18("9","9","2","2","1","4","1") = "8"
    & skf18("9","9","2","2","1","5","1") = "8"
    & skf18("9","9","2","2","1","6","1") = "8"
    & skf18("9","9","2","2","1","7","1") = "8"
    & skf18("9","9","2","2","1","8","1") = "8"
    & skf18("9","9","2","2","1","9","1") = "8"
    & skf18("9","9","2","2","1","10","1") = "9"
    & skf18("9","9","2","2","2","1","1") = "8"
    & skf18("9","9","2","2","2","2","1") = "8"
    & skf18("9","9","2","2","2","3","1") = "8"
    & skf18("9","9","2","2","2","4","1") = "8"
    & skf18("9","9","2","2","2","5","1") = "8"
    & skf18("9","9","2","2","2","6","1") = "8"
    & skf18("9","9","2","2","2","7","1") = "8"
    & skf18("9","9","2","2","2","8","1") = "8"
    & skf18("9","9","2","2","2","9","1") = "8"
    & skf18("9","9","2","2","2","10","1") = "9"
    & skf18("9","9","2","2","3","1","1") = "8"
    & skf18("9","9","2","2","3","2","1") = "8"
    & skf18("9","9","2","2","3","3","1") = "8"
    & skf18("9","9","2","2","3","4","1") = "8"
    & skf18("9","9","2","2","3","5","1") = "8"
    & skf18("9","9","2","2","3","6","1") = "8"
    & skf18("9","9","2","2","3","7","1") = "8"
    & skf18("9","9","2","2","3","8","1") = "8"
    & skf18("9","9","2","2","3","9","1") = "8"
    & skf18("9","9","2","2","3","10","1") = "9"
    & skf18("9","9","2","2","4","1","1") = "8"
    & skf18("9","9","2","2","4","2","1") = "8"
    & skf18("9","9","2","2","4","3","1") = "8"
    & skf18("9","9","2","2","4","4","1") = "8"
    & skf18("9","9","2","2","4","5","1") = "8"
    & skf18("9","9","2","2","4","6","1") = "8"
    & skf18("9","9","2","2","4","7","1") = "8"
    & skf18("9","9","2","2","4","8","1") = "8"
    & skf18("9","9","2","2","4","9","1") = "8"
    & skf18("9","9","2","2","4","10","1") = "9"
    & skf18("9","9","2","2","5","1","1") = "8"
    & skf18("9","9","2","2","5","2","1") = "8"
    & skf18("9","9","2","2","5","3","1") = "8"
    & skf18("9","9","2","2","5","4","1") = "8"
    & skf18("9","9","2","2","5","5","1") = "8"
    & skf18("9","9","2","2","5","6","1") = "8"
    & skf18("9","9","2","2","5","7","1") = "8"
    & skf18("9","9","2","2","5","8","1") = "8"
    & skf18("9","9","2","2","5","9","1") = "8"
    & skf18("9","9","2","2","5","10","1") = "9"
    & skf18("9","9","2","2","6","1","1") = "8"
    & skf18("9","9","2","2","6","2","1") = "8"
    & skf18("9","9","2","2","6","3","1") = "8"
    & skf18("9","9","2","2","6","4","1") = "8"
    & skf18("9","9","2","2","6","5","1") = "8"
    & skf18("9","9","2","2","6","6","1") = "8"
    & skf18("9","9","2","2","6","7","1") = "8"
    & skf18("9","9","2","2","6","8","1") = "8"
    & skf18("9","9","2","2","6","9","1") = "8"
    & skf18("9","9","2","2","6","10","1") = "9"
    & skf18("9","9","2","2","7","1","1") = "8"
    & skf18("9","9","2","2","7","2","1") = "8"
    & skf18("9","9","2","2","7","3","1") = "8"
    & skf18("9","9","2","2","7","4","1") = "8"
    & skf18("9","9","2","2","7","5","1") = "8"
    & skf18("9","9","2","2","7","6","1") = "8"
    & skf18("9","9","2","2","7","7","1") = "8"
    & skf18("9","9","2","2","7","8","1") = "8"
    & skf18("9","9","2","2","7","9","1") = "8"
    & skf18("9","9","2","2","7","10","1") = "9"
    & skf18("9","9","2","2","8","1","1") = "8"
    & skf18("9","9","2","2","8","2","1") = "8"
    & skf18("9","9","2","2","8","3","1") = "8"
    & skf18("9","9","2","2","8","4","1") = "8"
    & skf18("9","9","2","2","8","5","1") = "8"
    & skf18("9","9","2","2","8","6","1") = "8"
    & skf18("9","9","2","2","8","7","1") = "8"
    & skf18("9","9","2","2","8","8","1") = "8"
    & skf18("9","9","2","2","8","9","1") = "8"
    & skf18("9","9","2","2","8","10","1") = "9"
    & skf18("9","9","2","2","9","1","1") = "8"
    & skf18("9","9","2","2","9","2","1") = "8"
    & skf18("9","9","2","2","9","3","1") = "8"
    & skf18("9","9","2","2","9","4","1") = "8"
    & skf18("9","9","2","2","9","5","1") = "8"
    & skf18("9","9","2","2","9","6","1") = "8"
    & skf18("9","9","2","2","9","7","1") = "8"
    & skf18("9","9","2","2","9","8","1") = "8"
    & skf18("9","9","2","2","9","9","1") = "8"
    & skf18("9","9","2","2","9","10","1") = "9"
    & skf18("9","9","2","2","10","1","1") = "9"
    & skf18("9","9","2","2","10","2","1") = "9"
    & skf18("9","9","2","2","10","3","1") = "9"
    & skf18("9","9","2","2","10","4","1") = "9"
    & skf18("9","9","2","2","10","5","1") = "9"
    & skf18("9","9","2","2","10","6","1") = "9"
    & skf18("9","9","2","2","10","7","1") = "9"
    & skf18("9","9","2","2","10","8","1") = "9"
    & skf18("9","9","2","2","10","9","1") = "9"
    & skf18("9","9","2","2","10","10","1") = "9"
    & skf18("9","9","2","3","1","1","1") = "8"
    & skf18("9","9","2","3","1","2","1") = "8"
    & skf18("9","9","2","3","1","3","1") = "8"
    & skf18("9","9","2","3","1","4","1") = "8"
    & skf18("9","9","2","3","1","5","1") = "8"
    & skf18("9","9","2","3","1","6","1") = "8"
    & skf18("9","9","2","3","1","7","1") = "8"
    & skf18("9","9","2","3","1","8","1") = "8"
    & skf18("9","9","2","3","1","9","1") = "8"
    & skf18("9","9","2","3","1","10","1") = "9"
    & skf18("9","9","2","3","2","1","1") = "8"
    & skf18("9","9","2","3","2","2","1") = "8"
    & skf18("9","9","2","3","2","3","1") = "8"
    & skf18("9","9","2","3","2","4","1") = "8"
    & skf18("9","9","2","3","2","5","1") = "8"
    & skf18("9","9","2","3","2","6","1") = "8"
    & skf18("9","9","2","3","2","7","1") = "8"
    & skf18("9","9","2","3","2","8","1") = "8"
    & skf18("9","9","2","3","2","9","1") = "8"
    & skf18("9","9","2","3","2","10","1") = "9"
    & skf18("9","9","2","3","3","1","1") = "8"
    & skf18("9","9","2","3","3","2","1") = "8"
    & skf18("9","9","2","3","3","3","1") = "8"
    & skf18("9","9","2","3","3","4","1") = "8"
    & skf18("9","9","2","3","3","5","1") = "8"
    & skf18("9","9","2","3","3","6","1") = "8"
    & skf18("9","9","2","3","3","7","1") = "8"
    & skf18("9","9","2","3","3","8","1") = "8"
    & skf18("9","9","2","3","3","9","1") = "8"
    & skf18("9","9","2","3","3","10","1") = "9"
    & skf18("9","9","2","3","4","1","1") = "8"
    & skf18("9","9","2","3","4","2","1") = "8"
    & skf18("9","9","2","3","4","3","1") = "8"
    & skf18("9","9","2","3","4","4","1") = "8"
    & skf18("9","9","2","3","4","5","1") = "8"
    & skf18("9","9","2","3","4","6","1") = "8"
    & skf18("9","9","2","3","4","7","1") = "8"
    & skf18("9","9","2","3","4","8","1") = "8"
    & skf18("9","9","2","3","4","9","1") = "8"
    & skf18("9","9","2","3","4","10","1") = "9"
    & skf18("9","9","2","3","5","1","1") = "8"
    & skf18("9","9","2","3","5","2","1") = "8"
    & skf18("9","9","2","3","5","3","1") = "8"
    & skf18("9","9","2","3","5","4","1") = "8"
    & skf18("9","9","2","3","5","5","1") = "8"
    & skf18("9","9","2","3","5","6","1") = "8"
    & skf18("9","9","2","3","5","7","1") = "8"
    & skf18("9","9","2","3","5","8","1") = "8"
    & skf18("9","9","2","3","5","9","1") = "8"
    & skf18("9","9","2","3","5","10","1") = "9"
    & skf18("9","9","2","3","6","1","1") = "8"
    & skf18("9","9","2","3","6","2","1") = "8"
    & skf18("9","9","2","3","6","3","1") = "8"
    & skf18("9","9","2","3","6","4","1") = "8"
    & skf18("9","9","2","3","6","5","1") = "8"
    & skf18("9","9","2","3","6","6","1") = "8"
    & skf18("9","9","2","3","6","7","1") = "8"
    & skf18("9","9","2","3","6","8","1") = "8"
    & skf18("9","9","2","3","6","9","1") = "8"
    & skf18("9","9","2","3","6","10","1") = "9"
    & skf18("9","9","2","3","7","1","1") = "8"
    & skf18("9","9","2","3","7","2","1") = "8"
    & skf18("9","9","2","3","7","3","1") = "8"
    & skf18("9","9","2","3","7","4","1") = "8"
    & skf18("9","9","2","3","7","5","1") = "8"
    & skf18("9","9","2","3","7","6","1") = "8"
    & skf18("9","9","2","3","7","7","1") = "8"
    & skf18("9","9","2","3","7","8","1") = "8"
    & skf18("9","9","2","3","7","9","1") = "8"
    & skf18("9","9","2","3","7","10","1") = "9"
    & skf18("9","9","2","3","8","1","1") = "8"
    & skf18("9","9","2","3","8","2","1") = "8"
    & skf18("9","9","2","3","8","3","1") = "8"
    & skf18("9","9","2","3","8","4","1") = "8"
    & skf18("9","9","2","3","8","5","1") = "8"
    & skf18("9","9","2","3","8","6","1") = "8"
    & skf18("9","9","2","3","8","7","1") = "8"
    & skf18("9","9","2","3","8","8","1") = "8"
    & skf18("9","9","2","3","8","9","1") = "8"
    & skf18("9","9","2","3","8","10","1") = "9"
    & skf18("9","9","2","3","9","1","1") = "8"
    & skf18("9","9","2","3","9","2","1") = "8"
    & skf18("9","9","2","3","9","3","1") = "8"
    & skf18("9","9","2","3","9","4","1") = "8"
    & skf18("9","9","2","3","9","5","1") = "8"
    & skf18("9","9","2","3","9","6","1") = "8"
    & skf18("9","9","2","3","9","7","1") = "8"
    & skf18("9","9","2","3","9","8","1") = "8"
    & skf18("9","9","2","3","9","9","1") = "8"
    & skf18("9","9","2","3","9","10","1") = "9"
    & skf18("9","9","2","3","10","1","1") = "9"
    & skf18("9","9","2","3","10","2","1") = "9"
    & skf18("9","9","2","3","10","3","1") = "9"
    & skf18("9","9","2","3","10","4","1") = "9"
    & skf18("9","9","2","3","10","5","1") = "9"
    & skf18("9","9","2","3","10","6","1") = "9"
    & skf18("9","9","2","3","10","7","1") = "9"
    & skf18("9","9","2","3","10","8","1") = "9"
    & skf18("9","9","2","3","10","9","1") = "9"
    & skf18("9","9","2","3","10","10","1") = "9"
    & skf18("9","9","2","4","1","1","1") = "8"
    & skf18("9","9","2","4","1","2","1") = "8"
    & skf18("9","9","2","4","1","3","1") = "8"
    & skf18("9","9","2","4","1","4","1") = "8"
    & skf18("9","9","2","4","1","5","1") = "8"
    & skf18("9","9","2","4","1","6","1") = "8"
    & skf18("9","9","2","4","1","7","1") = "8"
    & skf18("9","9","2","4","1","8","1") = "8"
    & skf18("9","9","2","4","1","9","1") = "8"
    & skf18("9","9","2","4","1","10","1") = "9"
    & skf18("9","9","2","4","2","1","1") = "8"
    & skf18("9","9","2","4","2","2","1") = "8"
    & skf18("9","9","2","4","2","3","1") = "8"
    & skf18("9","9","2","4","2","4","1") = "8"
    & skf18("9","9","2","4","2","5","1") = "8"
    & skf18("9","9","2","4","2","6","1") = "8"
    & skf18("9","9","2","4","2","7","1") = "8"
    & skf18("9","9","2","4","2","8","1") = "8"
    & skf18("9","9","2","4","2","9","1") = "8"
    & skf18("9","9","2","4","2","10","1") = "9"
    & skf18("9","9","2","4","3","1","1") = "8"
    & skf18("9","9","2","4","3","2","1") = "8"
    & skf18("9","9","2","4","3","3","1") = "8"
    & skf18("9","9","2","4","3","4","1") = "8"
    & skf18("9","9","2","4","3","5","1") = "8"
    & skf18("9","9","2","4","3","6","1") = "8"
    & skf18("9","9","2","4","3","7","1") = "8"
    & skf18("9","9","2","4","3","8","1") = "8"
    & skf18("9","9","2","4","3","9","1") = "8"
    & skf18("9","9","2","4","3","10","1") = "9"
    & skf18("9","9","2","4","4","1","1") = "8"
    & skf18("9","9","2","4","4","2","1") = "8"
    & skf18("9","9","2","4","4","3","1") = "8"
    & skf18("9","9","2","4","4","4","1") = "8"
    & skf18("9","9","2","4","4","5","1") = "8"
    & skf18("9","9","2","4","4","6","1") = "8"
    & skf18("9","9","2","4","4","7","1") = "8"
    & skf18("9","9","2","4","4","8","1") = "8"
    & skf18("9","9","2","4","4","9","1") = "8"
    & skf18("9","9","2","4","4","10","1") = "9"
    & skf18("9","9","2","4","5","1","1") = "8"
    & skf18("9","9","2","4","5","2","1") = "8"
    & skf18("9","9","2","4","5","3","1") = "8"
    & skf18("9","9","2","4","5","4","1") = "8"
    & skf18("9","9","2","4","5","5","1") = "8"
    & skf18("9","9","2","4","5","6","1") = "8"
    & skf18("9","9","2","4","5","7","1") = "8"
    & skf18("9","9","2","4","5","8","1") = "8"
    & skf18("9","9","2","4","5","9","1") = "8"
    & skf18("9","9","2","4","5","10","1") = "9"
    & skf18("9","9","2","4","6","1","1") = "8"
    & skf18("9","9","2","4","6","2","1") = "8"
    & skf18("9","9","2","4","6","3","1") = "8"
    & skf18("9","9","2","4","6","4","1") = "8"
    & skf18("9","9","2","4","6","5","1") = "8"
    & skf18("9","9","2","4","6","6","1") = "8"
    & skf18("9","9","2","4","6","7","1") = "8"
    & skf18("9","9","2","4","6","8","1") = "8"
    & skf18("9","9","2","4","6","9","1") = "8"
    & skf18("9","9","2","4","6","10","1") = "9"
    & skf18("9","9","2","4","7","1","1") = "8"
    & skf18("9","9","2","4","7","2","1") = "8"
    & skf18("9","9","2","4","7","3","1") = "8"
    & skf18("9","9","2","4","7","4","1") = "8"
    & skf18("9","9","2","4","7","5","1") = "8"
    & skf18("9","9","2","4","7","6","1") = "8"
    & skf18("9","9","2","4","7","7","1") = "8"
    & skf18("9","9","2","4","7","8","1") = "8"
    & skf18("9","9","2","4","7","9","1") = "8"
    & skf18("9","9","2","4","7","10","1") = "9"
    & skf18("9","9","2","4","8","1","1") = "8"
    & skf18("9","9","2","4","8","2","1") = "8"
    & skf18("9","9","2","4","8","3","1") = "8"
    & skf18("9","9","2","4","8","4","1") = "8"
    & skf18("9","9","2","4","8","5","1") = "8"
    & skf18("9","9","2","4","8","6","1") = "8"
    & skf18("9","9","2","4","8","7","1") = "8"
    & skf18("9","9","2","4","8","8","1") = "8"
    & skf18("9","9","2","4","8","9","1") = "8"
    & skf18("9","9","2","4","8","10","1") = "9"
    & skf18("9","9","2","4","9","1","1") = "8"
    & skf18("9","9","2","4","9","2","1") = "8"
    & skf18("9","9","2","4","9","3","1") = "8"
    & skf18("9","9","2","4","9","4","1") = "8"
    & skf18("9","9","2","4","9","5","1") = "8"
    & skf18("9","9","2","4","9","6","1") = "8"
    & skf18("9","9","2","4","9","7","1") = "8"
    & skf18("9","9","2","4","9","8","1") = "8"
    & skf18("9","9","2","4","9","9","1") = "8"
    & skf18("9","9","2","4","9","10","1") = "9"
    & skf18("9","9","2","4","10","1","1") = "9"
    & skf18("9","9","2","4","10","2","1") = "9"
    & skf18("9","9","2","4","10","3","1") = "9"
    & skf18("9","9","2","4","10","4","1") = "9"
    & skf18("9","9","2","4","10","5","1") = "9"
    & skf18("9","9","2","4","10","6","1") = "9"
    & skf18("9","9","2","4","10","7","1") = "9"
    & skf18("9","9","2","4","10","8","1") = "9"
    & skf18("9","9","2","4","10","9","1") = "9"
    & skf18("9","9","2","4","10","10","1") = "9"
    & skf18("9","9","2","5","1","1","1") = "8"
    & skf18("9","9","2","5","1","2","1") = "8"
    & skf18("9","9","2","5","1","3","1") = "8"
    & skf18("9","9","2","5","1","4","1") = "8"
    & skf18("9","9","2","5","1","5","1") = "8"
    & skf18("9","9","2","5","1","6","1") = "8"
    & skf18("9","9","2","5","1","7","1") = "8"
    & skf18("9","9","2","5","1","8","1") = "8"
    & skf18("9","9","2","5","1","9","1") = "8"
    & skf18("9","9","2","5","1","10","1") = "9"
    & skf18("9","9","2","5","2","1","1") = "8"
    & skf18("9","9","2","5","2","2","1") = "8"
    & skf18("9","9","2","5","2","3","1") = "8"
    & skf18("9","9","2","5","2","4","1") = "8"
    & skf18("9","9","2","5","2","5","1") = "8"
    & skf18("9","9","2","5","2","6","1") = "8"
    & skf18("9","9","2","5","2","7","1") = "8"
    & skf18("9","9","2","5","2","8","1") = "8"
    & skf18("9","9","2","5","2","9","1") = "8"
    & skf18("9","9","2","5","2","10","1") = "9"
    & skf18("9","9","2","5","3","1","1") = "8"
    & skf18("9","9","2","5","3","2","1") = "8"
    & skf18("9","9","2","5","3","3","1") = "8"
    & skf18("9","9","2","5","3","4","1") = "8"
    & skf18("9","9","2","5","3","5","1") = "8"
    & skf18("9","9","2","5","3","6","1") = "8"
    & skf18("9","9","2","5","3","7","1") = "8"
    & skf18("9","9","2","5","3","8","1") = "8"
    & skf18("9","9","2","5","3","9","1") = "8"
    & skf18("9","9","2","5","3","10","1") = "9"
    & skf18("9","9","2","5","4","1","1") = "8"
    & skf18("9","9","2","5","4","2","1") = "8"
    & skf18("9","9","2","5","4","3","1") = "8"
    & skf18("9","9","2","5","4","4","1") = "8"
    & skf18("9","9","2","5","4","5","1") = "8"
    & skf18("9","9","2","5","4","6","1") = "8"
    & skf18("9","9","2","5","4","7","1") = "8"
    & skf18("9","9","2","5","4","8","1") = "8"
    & skf18("9","9","2","5","4","9","1") = "8"
    & skf18("9","9","2","5","4","10","1") = "9"
    & skf18("9","9","2","5","5","1","1") = "8"
    & skf18("9","9","2","5","5","2","1") = "8"
    & skf18("9","9","2","5","5","3","1") = "8"
    & skf18("9","9","2","5","5","4","1") = "8"
    & skf18("9","9","2","5","5","5","1") = "8"
    & skf18("9","9","2","5","5","6","1") = "8"
    & skf18("9","9","2","5","5","7","1") = "8"
    & skf18("9","9","2","5","5","8","1") = "8"
    & skf18("9","9","2","5","5","9","1") = "8"
    & skf18("9","9","2","5","5","10","1") = "9"
    & skf18("9","9","2","5","6","1","1") = "8"
    & skf18("9","9","2","5","6","2","1") = "8"
    & skf18("9","9","2","5","6","3","1") = "8"
    & skf18("9","9","2","5","6","4","1") = "8"
    & skf18("9","9","2","5","6","5","1") = "8"
    & skf18("9","9","2","5","6","6","1") = "8"
    & skf18("9","9","2","5","6","7","1") = "8"
    & skf18("9","9","2","5","6","8","1") = "8"
    & skf18("9","9","2","5","6","9","1") = "8"
    & skf18("9","9","2","5","6","10","1") = "9"
    & skf18("9","9","2","5","7","1","1") = "8"
    & skf18("9","9","2","5","7","2","1") = "8"
    & skf18("9","9","2","5","7","3","1") = "8"
    & skf18("9","9","2","5","7","4","1") = "8"
    & skf18("9","9","2","5","7","5","1") = "8"
    & skf18("9","9","2","5","7","6","1") = "8"
    & skf18("9","9","2","5","7","7","1") = "8"
    & skf18("9","9","2","5","7","8","1") = "8"
    & skf18("9","9","2","5","7","9","1") = "8"
    & skf18("9","9","2","5","7","10","1") = "9"
    & skf18("9","9","2","5","8","1","1") = "8"
    & skf18("9","9","2","5","8","2","1") = "8"
    & skf18("9","9","2","5","8","3","1") = "8"
    & skf18("9","9","2","5","8","4","1") = "8"
    & skf18("9","9","2","5","8","5","1") = "8"
    & skf18("9","9","2","5","8","6","1") = "8"
    & skf18("9","9","2","5","8","7","1") = "8"
    & skf18("9","9","2","5","8","8","1") = "8"
    & skf18("9","9","2","5","8","9","1") = "8"
    & skf18("9","9","2","5","8","10","1") = "9"
    & skf18("9","9","2","5","9","1","1") = "8"
    & skf18("9","9","2","5","9","2","1") = "8"
    & skf18("9","9","2","5","9","3","1") = "8"
    & skf18("9","9","2","5","9","4","1") = "8"
    & skf18("9","9","2","5","9","5","1") = "8"
    & skf18("9","9","2","5","9","6","1") = "8"
    & skf18("9","9","2","5","9","7","1") = "8"
    & skf18("9","9","2","5","9","8","1") = "8"
    & skf18("9","9","2","5","9","9","1") = "8"
    & skf18("9","9","2","5","9","10","1") = "9"
    & skf18("9","9","2","5","10","1","1") = "9"
    & skf18("9","9","2","5","10","2","1") = "9"
    & skf18("9","9","2","5","10","3","1") = "9"
    & skf18("9","9","2","5","10","4","1") = "9"
    & skf18("9","9","2","5","10","5","1") = "9"
    & skf18("9","9","2","5","10","6","1") = "9"
    & skf18("9","9","2","5","10","7","1") = "9"
    & skf18("9","9","2","5","10","8","1") = "9"
    & skf18("9","9","2","5","10","9","1") = "9"
    & skf18("9","9","2","5","10","10","1") = "9"
    & skf18("9","9","2","6","1","1","1") = "8"
    & skf18("9","9","2","6","1","2","1") = "8"
    & skf18("9","9","2","6","1","3","1") = "8"
    & skf18("9","9","2","6","1","4","1") = "8"
    & skf18("9","9","2","6","1","5","1") = "8"
    & skf18("9","9","2","6","1","6","1") = "8"
    & skf18("9","9","2","6","1","7","1") = "8"
    & skf18("9","9","2","6","1","8","1") = "8"
    & skf18("9","9","2","6","1","9","1") = "8"
    & skf18("9","9","2","6","1","10","1") = "9"
    & skf18("9","9","2","6","2","1","1") = "8"
    & skf18("9","9","2","6","2","2","1") = "8"
    & skf18("9","9","2","6","2","3","1") = "8"
    & skf18("9","9","2","6","2","4","1") = "8"
    & skf18("9","9","2","6","2","5","1") = "8"
    & skf18("9","9","2","6","2","6","1") = "8"
    & skf18("9","9","2","6","2","7","1") = "8"
    & skf18("9","9","2","6","2","8","1") = "8"
    & skf18("9","9","2","6","2","9","1") = "8"
    & skf18("9","9","2","6","2","10","1") = "9"
    & skf18("9","9","2","6","3","1","1") = "8"
    & skf18("9","9","2","6","3","2","1") = "8"
    & skf18("9","9","2","6","3","3","1") = "8"
    & skf18("9","9","2","6","3","4","1") = "8"
    & skf18("9","9","2","6","3","5","1") = "8"
    & skf18("9","9","2","6","3","6","1") = "8"
    & skf18("9","9","2","6","3","7","1") = "8"
    & skf18("9","9","2","6","3","8","1") = "8"
    & skf18("9","9","2","6","3","9","1") = "8"
    & skf18("9","9","2","6","3","10","1") = "9"
    & skf18("9","9","2","6","4","1","1") = "8"
    & skf18("9","9","2","6","4","2","1") = "8"
    & skf18("9","9","2","6","4","3","1") = "8"
    & skf18("9","9","2","6","4","4","1") = "8"
    & skf18("9","9","2","6","4","5","1") = "8"
    & skf18("9","9","2","6","4","6","1") = "8"
    & skf18("9","9","2","6","4","7","1") = "8"
    & skf18("9","9","2","6","4","8","1") = "8"
    & skf18("9","9","2","6","4","9","1") = "8"
    & skf18("9","9","2","6","4","10","1") = "9"
    & skf18("9","9","2","6","5","1","1") = "8"
    & skf18("9","9","2","6","5","2","1") = "8"
    & skf18("9","9","2","6","5","3","1") = "8"
    & skf18("9","9","2","6","5","4","1") = "8"
    & skf18("9","9","2","6","5","5","1") = "8"
    & skf18("9","9","2","6","5","6","1") = "8"
    & skf18("9","9","2","6","5","7","1") = "8"
    & skf18("9","9","2","6","5","8","1") = "8"
    & skf18("9","9","2","6","5","9","1") = "8"
    & skf18("9","9","2","6","5","10","1") = "9"
    & skf18("9","9","2","6","6","1","1") = "8"
    & skf18("9","9","2","6","6","2","1") = "8"
    & skf18("9","9","2","6","6","3","1") = "8"
    & skf18("9","9","2","6","6","4","1") = "8"
    & skf18("9","9","2","6","6","5","1") = "8"
    & skf18("9","9","2","6","6","6","1") = "8"
    & skf18("9","9","2","6","6","7","1") = "8"
    & skf18("9","9","2","6","6","8","1") = "8"
    & skf18("9","9","2","6","6","9","1") = "8"
    & skf18("9","9","2","6","6","10","1") = "9"
    & skf18("9","9","2","6","7","1","1") = "8"
    & skf18("9","9","2","6","7","2","1") = "8"
    & skf18("9","9","2","6","7","3","1") = "8"
    & skf18("9","9","2","6","7","4","1") = "8"
    & skf18("9","9","2","6","7","5","1") = "8"
    & skf18("9","9","2","6","7","6","1") = "8"
    & skf18("9","9","2","6","7","7","1") = "8"
    & skf18("9","9","2","6","7","8","1") = "8"
    & skf18("9","9","2","6","7","9","1") = "8"
    & skf18("9","9","2","6","7","10","1") = "9"
    & skf18("9","9","2","6","8","1","1") = "8"
    & skf18("9","9","2","6","8","2","1") = "8"
    & skf18("9","9","2","6","8","3","1") = "8"
    & skf18("9","9","2","6","8","4","1") = "8"
    & skf18("9","9","2","6","8","5","1") = "8"
    & skf18("9","9","2","6","8","6","1") = "8"
    & skf18("9","9","2","6","8","7","1") = "8"
    & skf18("9","9","2","6","8","8","1") = "8"
    & skf18("9","9","2","6","8","9","1") = "8"
    & skf18("9","9","2","6","8","10","1") = "9"
    & skf18("9","9","2","6","9","1","1") = "8"
    & skf18("9","9","2","6","9","2","1") = "8"
    & skf18("9","9","2","6","9","3","1") = "8"
    & skf18("9","9","2","6","9","4","1") = "8"
    & skf18("9","9","2","6","9","5","1") = "8"
    & skf18("9","9","2","6","9","6","1") = "8"
    & skf18("9","9","2","6","9","7","1") = "8"
    & skf18("9","9","2","6","9","8","1") = "8"
    & skf18("9","9","2","6","9","9","1") = "8"
    & skf18("9","9","2","6","9","10","1") = "9"
    & skf18("9","9","2","6","10","1","1") = "9"
    & skf18("9","9","2","6","10","2","1") = "9"
    & skf18("9","9","2","6","10","3","1") = "9"
    & skf18("9","9","2","6","10","4","1") = "9"
    & skf18("9","9","2","6","10","5","1") = "9"
    & skf18("9","9","2","6","10","6","1") = "9"
    & skf18("9","9","2","6","10","7","1") = "9"
    & skf18("9","9","2","6","10","8","1") = "9"
    & skf18("9","9","2","6","10","9","1") = "9"
    & skf18("9","9","2","6","10","10","1") = "9"
    & skf18("9","9","2","7","1","1","1") = "8"
    & skf18("9","9","2","7","1","2","1") = "8"
    & skf18("9","9","2","7","1","3","1") = "8"
    & skf18("9","9","2","7","1","4","1") = "8"
    & skf18("9","9","2","7","1","5","1") = "8"
    & skf18("9","9","2","7","1","6","1") = "8"
    & skf18("9","9","2","7","1","7","1") = "8"
    & skf18("9","9","2","7","1","8","1") = "8"
    & skf18("9","9","2","7","1","9","1") = "8"
    & skf18("9","9","2","7","1","10","1") = "9"
    & skf18("9","9","2","7","2","1","1") = "8"
    & skf18("9","9","2","7","2","2","1") = "8"
    & skf18("9","9","2","7","2","3","1") = "8"
    & skf18("9","9","2","7","2","4","1") = "8"
    & skf18("9","9","2","7","2","5","1") = "8"
    & skf18("9","9","2","7","2","6","1") = "8"
    & skf18("9","9","2","7","2","7","1") = "8"
    & skf18("9","9","2","7","2","8","1") = "8"
    & skf18("9","9","2","7","2","9","1") = "8"
    & skf18("9","9","2","7","2","10","1") = "9"
    & skf18("9","9","2","7","3","1","1") = "8"
    & skf18("9","9","2","7","3","2","1") = "8"
    & skf18("9","9","2","7","3","3","1") = "8"
    & skf18("9","9","2","7","3","4","1") = "8"
    & skf18("9","9","2","7","3","5","1") = "8"
    & skf18("9","9","2","7","3","6","1") = "8"
    & skf18("9","9","2","7","3","7","1") = "8"
    & skf18("9","9","2","7","3","8","1") = "8"
    & skf18("9","9","2","7","3","9","1") = "8"
    & skf18("9","9","2","7","3","10","1") = "9"
    & skf18("9","9","2","7","4","1","1") = "8"
    & skf18("9","9","2","7","4","2","1") = "8"
    & skf18("9","9","2","7","4","3","1") = "8"
    & skf18("9","9","2","7","4","4","1") = "8"
    & skf18("9","9","2","7","4","5","1") = "8"
    & skf18("9","9","2","7","4","6","1") = "8"
    & skf18("9","9","2","7","4","7","1") = "8"
    & skf18("9","9","2","7","4","8","1") = "8"
    & skf18("9","9","2","7","4","9","1") = "8"
    & skf18("9","9","2","7","4","10","1") = "9"
    & skf18("9","9","2","7","5","1","1") = "8"
    & skf18("9","9","2","7","5","2","1") = "8"
    & skf18("9","9","2","7","5","3","1") = "8"
    & skf18("9","9","2","7","5","4","1") = "8"
    & skf18("9","9","2","7","5","5","1") = "8"
    & skf18("9","9","2","7","5","6","1") = "8"
    & skf18("9","9","2","7","5","7","1") = "8"
    & skf18("9","9","2","7","5","8","1") = "8"
    & skf18("9","9","2","7","5","9","1") = "8"
    & skf18("9","9","2","7","5","10","1") = "9"
    & skf18("9","9","2","7","6","1","1") = "8"
    & skf18("9","9","2","7","6","2","1") = "8"
    & skf18("9","9","2","7","6","3","1") = "8"
    & skf18("9","9","2","7","6","4","1") = "8"
    & skf18("9","9","2","7","6","5","1") = "8"
    & skf18("9","9","2","7","6","6","1") = "8"
    & skf18("9","9","2","7","6","7","1") = "8"
    & skf18("9","9","2","7","6","8","1") = "8"
    & skf18("9","9","2","7","6","9","1") = "8"
    & skf18("9","9","2","7","6","10","1") = "9"
    & skf18("9","9","2","7","7","1","1") = "8"
    & skf18("9","9","2","7","7","2","1") = "8"
    & skf18("9","9","2","7","7","3","1") = "8"
    & skf18("9","9","2","7","7","4","1") = "8"
    & skf18("9","9","2","7","7","5","1") = "8"
    & skf18("9","9","2","7","7","6","1") = "8"
    & skf18("9","9","2","7","7","7","1") = "8"
    & skf18("9","9","2","7","7","8","1") = "8"
    & skf18("9","9","2","7","7","9","1") = "8"
    & skf18("9","9","2","7","7","10","1") = "9"
    & skf18("9","9","2","7","8","1","1") = "8"
    & skf18("9","9","2","7","8","2","1") = "8"
    & skf18("9","9","2","7","8","3","1") = "8"
    & skf18("9","9","2","7","8","4","1") = "8"
    & skf18("9","9","2","7","8","5","1") = "8"
    & skf18("9","9","2","7","8","6","1") = "8"
    & skf18("9","9","2","7","8","7","1") = "8"
    & skf18("9","9","2","7","8","8","1") = "8"
    & skf18("9","9","2","7","8","9","1") = "8"
    & skf18("9","9","2","7","8","10","1") = "9"
    & skf18("9","9","2","7","9","1","1") = "8"
    & skf18("9","9","2","7","9","2","1") = "8"
    & skf18("9","9","2","7","9","3","1") = "8"
    & skf18("9","9","2","7","9","4","1") = "8"
    & skf18("9","9","2","7","9","5","1") = "8"
    & skf18("9","9","2","7","9","6","1") = "8"
    & skf18("9","9","2","7","9","7","1") = "8"
    & skf18("9","9","2","7","9","8","1") = "8"
    & skf18("9","9","2","7","9","9","1") = "8"
    & skf18("9","9","2","7","9","10","1") = "9"
    & skf18("9","9","2","7","10","1","1") = "9"
    & skf18("9","9","2","7","10","2","1") = "9"
    & skf18("9","9","2","7","10","3","1") = "9"
    & skf18("9","9","2","7","10","4","1") = "9"
    & skf18("9","9","2","7","10","5","1") = "9"
    & skf18("9","9","2","7","10","6","1") = "9"
    & skf18("9","9","2","7","10","7","1") = "9"
    & skf18("9","9","2","7","10","8","1") = "9"
    & skf18("9","9","2","7","10","9","1") = "9"
    & skf18("9","9","2","7","10","10","1") = "9"
    & skf18("9","9","2","8","1","1","1") = "8"
    & skf18("9","9","2","8","1","2","1") = "8"
    & skf18("9","9","2","8","1","3","1") = "8"
    & skf18("9","9","2","8","1","4","1") = "8"
    & skf18("9","9","2","8","1","5","1") = "8"
    & skf18("9","9","2","8","1","6","1") = "8"
    & skf18("9","9","2","8","1","7","1") = "8"
    & skf18("9","9","2","8","1","8","1") = "8"
    & skf18("9","9","2","8","1","9","1") = "8"
    & skf18("9","9","2","8","1","10","1") = "9"
    & skf18("9","9","2","8","2","1","1") = "8"
    & skf18("9","9","2","8","2","2","1") = "8"
    & skf18("9","9","2","8","2","3","1") = "8"
    & skf18("9","9","2","8","2","4","1") = "8"
    & skf18("9","9","2","8","2","5","1") = "8"
    & skf18("9","9","2","8","2","6","1") = "8"
    & skf18("9","9","2","8","2","7","1") = "8"
    & skf18("9","9","2","8","2","8","1") = "8"
    & skf18("9","9","2","8","2","9","1") = "8"
    & skf18("9","9","2","8","2","10","1") = "9"
    & skf18("9","9","2","8","3","1","1") = "8"
    & skf18("9","9","2","8","3","2","1") = "8"
    & skf18("9","9","2","8","3","3","1") = "8"
    & skf18("9","9","2","8","3","4","1") = "8"
    & skf18("9","9","2","8","3","5","1") = "8"
    & skf18("9","9","2","8","3","6","1") = "8"
    & skf18("9","9","2","8","3","7","1") = "8"
    & skf18("9","9","2","8","3","8","1") = "8"
    & skf18("9","9","2","8","3","9","1") = "8"
    & skf18("9","9","2","8","3","10","1") = "9"
    & skf18("9","9","2","8","4","1","1") = "8"
    & skf18("9","9","2","8","4","2","1") = "8"
    & skf18("9","9","2","8","4","3","1") = "8"
    & skf18("9","9","2","8","4","4","1") = "8"
    & skf18("9","9","2","8","4","5","1") = "8"
    & skf18("9","9","2","8","4","6","1") = "8"
    & skf18("9","9","2","8","4","7","1") = "8"
    & skf18("9","9","2","8","4","8","1") = "8"
    & skf18("9","9","2","8","4","9","1") = "8"
    & skf18("9","9","2","8","4","10","1") = "9"
    & skf18("9","9","2","8","5","1","1") = "8"
    & skf18("9","9","2","8","5","2","1") = "8"
    & skf18("9","9","2","8","5","3","1") = "8"
    & skf18("9","9","2","8","5","4","1") = "8"
    & skf18("9","9","2","8","5","5","1") = "8"
    & skf18("9","9","2","8","5","6","1") = "8"
    & skf18("9","9","2","8","5","7","1") = "8"
    & skf18("9","9","2","8","5","8","1") = "8"
    & skf18("9","9","2","8","5","9","1") = "8"
    & skf18("9","9","2","8","5","10","1") = "9"
    & skf18("9","9","2","8","6","1","1") = "8"
    & skf18("9","9","2","8","6","2","1") = "8"
    & skf18("9","9","2","8","6","3","1") = "8"
    & skf18("9","9","2","8","6","4","1") = "8"
    & skf18("9","9","2","8","6","5","1") = "8"
    & skf18("9","9","2","8","6","6","1") = "8"
    & skf18("9","9","2","8","6","7","1") = "8"
    & skf18("9","9","2","8","6","8","1") = "8"
    & skf18("9","9","2","8","6","9","1") = "8"
    & skf18("9","9","2","8","6","10","1") = "9"
    & skf18("9","9","2","8","7","1","1") = "8"
    & skf18("9","9","2","8","7","2","1") = "8"
    & skf18("9","9","2","8","7","3","1") = "8"
    & skf18("9","9","2","8","7","4","1") = "8"
    & skf18("9","9","2","8","7","5","1") = "8"
    & skf18("9","9","2","8","7","6","1") = "8"
    & skf18("9","9","2","8","7","7","1") = "8"
    & skf18("9","9","2","8","7","8","1") = "8"
    & skf18("9","9","2","8","7","9","1") = "8"
    & skf18("9","9","2","8","7","10","1") = "9"
    & skf18("9","9","2","8","8","1","1") = "8"
    & skf18("9","9","2","8","8","2","1") = "8"
    & skf18("9","9","2","8","8","3","1") = "8"
    & skf18("9","9","2","8","8","4","1") = "8"
    & skf18("9","9","2","8","8","5","1") = "8"
    & skf18("9","9","2","8","8","6","1") = "8"
    & skf18("9","9","2","8","8","7","1") = "8"
    & skf18("9","9","2","8","8","8","1") = "8"
    & skf18("9","9","2","8","8","9","1") = "8"
    & skf18("9","9","2","8","8","10","1") = "9"
    & skf18("9","9","2","8","9","1","1") = "8"
    & skf18("9","9","2","8","9","2","1") = "8"
    & skf18("9","9","2","8","9","3","1") = "8"
    & skf18("9","9","2","8","9","4","1") = "8"
    & skf18("9","9","2","8","9","5","1") = "8"
    & skf18("9","9","2","8","9","6","1") = "8"
    & skf18("9","9","2","8","9","7","1") = "8"
    & skf18("9","9","2","8","9","8","1") = "8"
    & skf18("9","9","2","8","9","9","1") = "8"
    & skf18("9","9","2","8","9","10","1") = "9"
    & skf18("9","9","2","8","10","1","1") = "9"
    & skf18("9","9","2","8","10","2","1") = "9"
    & skf18("9","9","2","8","10","3","1") = "9"
    & skf18("9","9","2","8","10","4","1") = "9"
    & skf18("9","9","2","8","10","5","1") = "9"
    & skf18("9","9","2","8","10","6","1") = "9"
    & skf18("9","9","2","8","10","7","1") = "9"
    & skf18("9","9","2","8","10","8","1") = "9"
    & skf18("9","9","2","8","10","9","1") = "9"
    & skf18("9","9","2","8","10","10","1") = "9"
    & skf18("9","9","2","9","1","1","1") = "8"
    & skf18("9","9","2","9","1","2","1") = "8"
    & skf18("9","9","2","9","1","3","1") = "8"
    & skf18("9","9","2","9","1","4","1") = "8"
    & skf18("9","9","2","9","1","5","1") = "8"
    & skf18("9","9","2","9","1","6","1") = "8"
    & skf18("9","9","2","9","1","7","1") = "8"
    & skf18("9","9","2","9","1","8","1") = "8"
    & skf18("9","9","2","9","1","9","1") = "8"
    & skf18("9","9","2","9","1","10","1") = "9"
    & skf18("9","9","2","9","2","1","1") = "8"
    & skf18("9","9","2","9","2","2","1") = "8"
    & skf18("9","9","2","9","2","3","1") = "8"
    & skf18("9","9","2","9","2","4","1") = "8"
    & skf18("9","9","2","9","2","5","1") = "8"
    & skf18("9","9","2","9","2","6","1") = "8"
    & skf18("9","9","2","9","2","7","1") = "8"
    & skf18("9","9","2","9","2","8","1") = "8"
    & skf18("9","9","2","9","2","9","1") = "8"
    & skf18("9","9","2","9","2","10","1") = "9"
    & skf18("9","9","2","9","3","1","1") = "8"
    & skf18("9","9","2","9","3","2","1") = "8"
    & skf18("9","9","2","9","3","3","1") = "8"
    & skf18("9","9","2","9","3","4","1") = "8"
    & skf18("9","9","2","9","3","5","1") = "8"
    & skf18("9","9","2","9","3","6","1") = "8"
    & skf18("9","9","2","9","3","7","1") = "8"
    & skf18("9","9","2","9","3","8","1") = "8"
    & skf18("9","9","2","9","3","9","1") = "8"
    & skf18("9","9","2","9","3","10","1") = "9"
    & skf18("9","9","2","9","4","1","1") = "8"
    & skf18("9","9","2","9","4","2","1") = "8"
    & skf18("9","9","2","9","4","3","1") = "8"
    & skf18("9","9","2","9","4","4","1") = "8"
    & skf18("9","9","2","9","4","5","1") = "8"
    & skf18("9","9","2","9","4","6","1") = "8"
    & skf18("9","9","2","9","4","7","1") = "8"
    & skf18("9","9","2","9","4","8","1") = "8"
    & skf18("9","9","2","9","4","9","1") = "8"
    & skf18("9","9","2","9","4","10","1") = "9"
    & skf18("9","9","2","9","5","1","1") = "8"
    & skf18("9","9","2","9","5","2","1") = "8"
    & skf18("9","9","2","9","5","3","1") = "8"
    & skf18("9","9","2","9","5","4","1") = "8"
    & skf18("9","9","2","9","5","5","1") = "8"
    & skf18("9","9","2","9","5","6","1") = "8"
    & skf18("9","9","2","9","5","7","1") = "8"
    & skf18("9","9","2","9","5","8","1") = "8"
    & skf18("9","9","2","9","5","9","1") = "8"
    & skf18("9","9","2","9","5","10","1") = "9"
    & skf18("9","9","2","9","6","1","1") = "8"
    & skf18("9","9","2","9","6","2","1") = "8"
    & skf18("9","9","2","9","6","3","1") = "8"
    & skf18("9","9","2","9","6","4","1") = "8"
    & skf18("9","9","2","9","6","5","1") = "8"
    & skf18("9","9","2","9","6","6","1") = "8"
    & skf18("9","9","2","9","6","7","1") = "8"
    & skf18("9","9","2","9","6","8","1") = "8"
    & skf18("9","9","2","9","6","9","1") = "8"
    & skf18("9","9","2","9","6","10","1") = "9"
    & skf18("9","9","2","9","7","1","1") = "8"
    & skf18("9","9","2","9","7","2","1") = "8"
    & skf18("9","9","2","9","7","3","1") = "8"
    & skf18("9","9","2","9","7","4","1") = "8"
    & skf18("9","9","2","9","7","5","1") = "8"
    & skf18("9","9","2","9","7","6","1") = "8"
    & skf18("9","9","2","9","7","7","1") = "8"
    & skf18("9","9","2","9","7","8","1") = "8"
    & skf18("9","9","2","9","7","9","1") = "8"
    & skf18("9","9","2","9","7","10","1") = "9"
    & skf18("9","9","2","9","8","1","1") = "8"
    & skf18("9","9","2","9","8","2","1") = "8"
    & skf18("9","9","2","9","8","3","1") = "8"
    & skf18("9","9","2","9","8","4","1") = "8"
    & skf18("9","9","2","9","8","5","1") = "8"
    & skf18("9","9","2","9","8","6","1") = "8"
    & skf18("9","9","2","9","8","7","1") = "8"
    & skf18("9","9","2","9","8","8","1") = "8"
    & skf18("9","9","2","9","8","9","1") = "8"
    & skf18("9","9","2","9","8","10","1") = "9"
    & skf18("9","9","2","9","9","1","1") = "8"
    & skf18("9","9","2","9","9","2","1") = "8"
    & skf18("9","9","2","9","9","3","1") = "8"
    & skf18("9","9","2","9","9","4","1") = "8"
    & skf18("9","9","2","9","9","5","1") = "8"
    & skf18("9","9","2","9","9","6","1") = "8"
    & skf18("9","9","2","9","9","7","1") = "8"
    & skf18("9","9","2","9","9","8","1") = "8"
    & skf18("9","9","2","9","9","9","1") = "8"
    & skf18("9","9","2","9","9","10","1") = "9"
    & skf18("9","9","2","9","10","1","1") = "9"
    & skf18("9","9","2","9","10","2","1") = "9"
    & skf18("9","9","2","9","10","3","1") = "9"
    & skf18("9","9","2","9","10","4","1") = "9"
    & skf18("9","9","2","9","10","5","1") = "9"
    & skf18("9","9","2","9","10","6","1") = "9"
    & skf18("9","9","2","9","10","7","1") = "9"
    & skf18("9","9","2","9","10","8","1") = "9"
    & skf18("9","9","2","9","10","9","1") = "9"
    & skf18("9","9","2","9","10","10","1") = "9"
    & skf18("9","9","2","10","1","1","1") = "9"
    & skf18("9","9","2","10","1","2","1") = "9"
    & skf18("9","9","2","10","1","3","1") = "9"
    & skf18("9","9","2","10","1","4","1") = "9"
    & skf18("9","9","2","10","1","5","1") = "9"
    & skf18("9","9","2","10","1","6","1") = "9"
    & skf18("9","9","2","10","1","7","1") = "9"
    & skf18("9","9","2","10","1","8","1") = "9"
    & skf18("9","9","2","10","1","9","1") = "9"
    & skf18("9","9","2","10","1","10","1") = "9"
    & skf18("9","9","2","10","2","1","1") = "9"
    & skf18("9","9","2","10","2","2","1") = "9"
    & skf18("9","9","2","10","2","3","1") = "9"
    & skf18("9","9","2","10","2","4","1") = "9"
    & skf18("9","9","2","10","2","5","1") = "9"
    & skf18("9","9","2","10","2","6","1") = "9"
    & skf18("9","9","2","10","2","7","1") = "9"
    & skf18("9","9","2","10","2","8","1") = "9"
    & skf18("9","9","2","10","2","9","1") = "9"
    & skf18("9","9","2","10","2","10","1") = "9"
    & skf18("9","9","2","10","3","1","1") = "9"
    & skf18("9","9","2","10","3","2","1") = "9"
    & skf18("9","9","2","10","3","3","1") = "9"
    & skf18("9","9","2","10","3","4","1") = "9"
    & skf18("9","9","2","10","3","5","1") = "9"
    & skf18("9","9","2","10","3","6","1") = "9"
    & skf18("9","9","2","10","3","7","1") = "9"
    & skf18("9","9","2","10","3","8","1") = "9"
    & skf18("9","9","2","10","3","9","1") = "9"
    & skf18("9","9","2","10","3","10","1") = "9"
    & skf18("9","9","2","10","4","1","1") = "9"
    & skf18("9","9","2","10","4","2","1") = "9"
    & skf18("9","9","2","10","4","3","1") = "9"
    & skf18("9","9","2","10","4","4","1") = "9"
    & skf18("9","9","2","10","4","5","1") = "9"
    & skf18("9","9","2","10","4","6","1") = "9"
    & skf18("9","9","2","10","4","7","1") = "9"
    & skf18("9","9","2","10","4","8","1") = "9"
    & skf18("9","9","2","10","4","9","1") = "9"
    & skf18("9","9","2","10","4","10","1") = "9"
    & skf18("9","9","2","10","5","1","1") = "9"
    & skf18("9","9","2","10","5","2","1") = "9"
    & skf18("9","9","2","10","5","3","1") = "9"
    & skf18("9","9","2","10","5","4","1") = "9"
    & skf18("9","9","2","10","5","5","1") = "9"
    & skf18("9","9","2","10","5","6","1") = "9"
    & skf18("9","9","2","10","5","7","1") = "9"
    & skf18("9","9","2","10","5","8","1") = "9"
    & skf18("9","9","2","10","5","9","1") = "9"
    & skf18("9","9","2","10","5","10","1") = "9"
    & skf18("9","9","2","10","6","1","1") = "9"
    & skf18("9","9","2","10","6","2","1") = "9"
    & skf18("9","9","2","10","6","3","1") = "9"
    & skf18("9","9","2","10","6","4","1") = "9"
    & skf18("9","9","2","10","6","5","1") = "9"
    & skf18("9","9","2","10","6","6","1") = "9"
    & skf18("9","9","2","10","6","7","1") = "9"
    & skf18("9","9","2","10","6","8","1") = "9"
    & skf18("9","9","2","10","6","9","1") = "9"
    & skf18("9","9","2","10","6","10","1") = "9"
    & skf18("9","9","2","10","7","1","1") = "9"
    & skf18("9","9","2","10","7","2","1") = "9"
    & skf18("9","9","2","10","7","3","1") = "9"
    & skf18("9","9","2","10","7","4","1") = "9"
    & skf18("9","9","2","10","7","5","1") = "9"
    & skf18("9","9","2","10","7","6","1") = "9"
    & skf18("9","9","2","10","7","7","1") = "9"
    & skf18("9","9","2","10","7","8","1") = "9"
    & skf18("9","9","2","10","7","9","1") = "9"
    & skf18("9","9","2","10","7","10","1") = "9"
    & skf18("9","9","2","10","8","1","1") = "9"
    & skf18("9","9","2","10","8","2","1") = "9"
    & skf18("9","9","2","10","8","3","1") = "9"
    & skf18("9","9","2","10","8","4","1") = "9"
    & skf18("9","9","2","10","8","5","1") = "9"
    & skf18("9","9","2","10","8","6","1") = "9"
    & skf18("9","9","2","10","8","7","1") = "9"
    & skf18("9","9","2","10","8","8","1") = "9"
    & skf18("9","9","2","10","8","9","1") = "9"
    & skf18("9","9","2","10","8","10","1") = "9"
    & skf18("9","9","2","10","9","1","1") = "9"
    & skf18("9","9","2","10","9","2","1") = "9"
    & skf18("9","9","2","10","9","3","1") = "9"
    & skf18("9","9","2","10","9","4","1") = "9"
    & skf18("9","9","2","10","9","5","1") = "9"
    & skf18("9","9","2","10","9","6","1") = "9"
    & skf18("9","9","2","10","9","7","1") = "9"
    & skf18("9","9","2","10","9","8","1") = "9"
    & skf18("9","9","2","10","9","9","1") = "9"
    & skf18("9","9","2","10","9","10","1") = "9"
    & skf18("9","9","2","10","10","1","1") = "9"
    & skf18("9","9","2","10","10","2","1") = "9"
    & skf18("9","9","2","10","10","3","1") = "9"
    & skf18("9","9","2","10","10","4","1") = "9"
    & skf18("9","9","2","10","10","5","1") = "9"
    & skf18("9","9","2","10","10","6","1") = "9"
    & skf18("9","9","2","10","10","7","1") = "9"
    & skf18("9","9","2","10","10","8","1") = "9"
    & skf18("9","9","2","10","10","9","1") = "9"
    & skf18("9","9","2","10","10","10","1") = "9"
    & skf18("9","9","3","1","1","1","1") = "8"
    & skf18("9","9","3","1","1","2","1") = "8"
    & skf18("9","9","3","1","1","3","1") = "8"
    & skf18("9","9","3","1","1","4","1") = "8"
    & skf18("9","9","3","1","1","5","1") = "8"
    & skf18("9","9","3","1","1","6","1") = "8"
    & skf18("9","9","3","1","1","7","1") = "8"
    & skf18("9","9","3","1","1","8","1") = "8"
    & skf18("9","9","3","1","1","9","1") = "8"
    & skf18("9","9","3","1","1","10","1") = "9"
    & skf18("9","9","3","1","2","1","1") = "8"
    & skf18("9","9","3","1","2","2","1") = "8"
    & skf18("9","9","3","1","2","3","1") = "8"
    & skf18("9","9","3","1","2","4","1") = "8"
    & skf18("9","9","3","1","2","5","1") = "8"
    & skf18("9","9","3","1","2","6","1") = "8"
    & skf18("9","9","3","1","2","7","1") = "8"
    & skf18("9","9","3","1","2","8","1") = "8"
    & skf18("9","9","3","1","2","9","1") = "8"
    & skf18("9","9","3","1","2","10","1") = "9"
    & skf18("9","9","3","1","3","1","1") = "8"
    & skf18("9","9","3","1","3","2","1") = "8"
    & skf18("9","9","3","1","3","3","1") = "8"
    & skf18("9","9","3","1","3","4","1") = "8"
    & skf18("9","9","3","1","3","5","1") = "8"
    & skf18("9","9","3","1","3","6","1") = "8"
    & skf18("9","9","3","1","3","7","1") = "8"
    & skf18("9","9","3","1","3","8","1") = "8"
    & skf18("9","9","3","1","3","9","1") = "8"
    & skf18("9","9","3","1","3","10","1") = "9"
    & skf18("9","9","3","1","4","1","1") = "8"
    & skf18("9","9","3","1","4","2","1") = "8"
    & skf18("9","9","3","1","4","3","1") = "8"
    & skf18("9","9","3","1","4","4","1") = "8"
    & skf18("9","9","3","1","4","5","1") = "8"
    & skf18("9","9","3","1","4","6","1") = "8"
    & skf18("9","9","3","1","4","7","1") = "8"
    & skf18("9","9","3","1","4","8","1") = "8"
    & skf18("9","9","3","1","4","9","1") = "8"
    & skf18("9","9","3","1","4","10","1") = "9"
    & skf18("9","9","3","1","5","1","1") = "8"
    & skf18("9","9","3","1","5","2","1") = "8"
    & skf18("9","9","3","1","5","3","1") = "8"
    & skf18("9","9","3","1","5","4","1") = "8"
    & skf18("9","9","3","1","5","5","1") = "8"
    & skf18("9","9","3","1","5","6","1") = "8"
    & skf18("9","9","3","1","5","7","1") = "8"
    & skf18("9","9","3","1","5","8","1") = "8"
    & skf18("9","9","3","1","5","9","1") = "8"
    & skf18("9","9","3","1","5","10","1") = "9"
    & skf18("9","9","3","1","6","1","1") = "8"
    & skf18("9","9","3","1","6","2","1") = "8"
    & skf18("9","9","3","1","6","3","1") = "8"
    & skf18("9","9","3","1","6","4","1") = "8"
    & skf18("9","9","3","1","6","5","1") = "8"
    & skf18("9","9","3","1","6","6","1") = "8"
    & skf18("9","9","3","1","6","7","1") = "8"
    & skf18("9","9","3","1","6","8","1") = "8"
    & skf18("9","9","3","1","6","9","1") = "8"
    & skf18("9","9","3","1","6","10","1") = "9"
    & skf18("9","9","3","1","7","1","1") = "8"
    & skf18("9","9","3","1","7","2","1") = "8"
    & skf18("9","9","3","1","7","3","1") = "8"
    & skf18("9","9","3","1","7","4","1") = "8"
    & skf18("9","9","3","1","7","5","1") = "8"
    & skf18("9","9","3","1","7","6","1") = "8"
    & skf18("9","9","3","1","7","7","1") = "8"
    & skf18("9","9","3","1","7","8","1") = "8"
    & skf18("9","9","3","1","7","9","1") = "8"
    & skf18("9","9","3","1","7","10","1") = "9"
    & skf18("9","9","3","1","8","1","1") = "8"
    & skf18("9","9","3","1","8","2","1") = "8"
    & skf18("9","9","3","1","8","3","1") = "8"
    & skf18("9","9","3","1","8","4","1") = "8"
    & skf18("9","9","3","1","8","5","1") = "8"
    & skf18("9","9","3","1","8","6","1") = "8"
    & skf18("9","9","3","1","8","7","1") = "8"
    & skf18("9","9","3","1","8","8","1") = "8"
    & skf18("9","9","3","1","8","9","1") = "8"
    & skf18("9","9","3","1","8","10","1") = "9"
    & skf18("9","9","3","1","9","1","1") = "8"
    & skf18("9","9","3","1","9","2","1") = "8"
    & skf18("9","9","3","1","9","3","1") = "8"
    & skf18("9","9","3","1","9","4","1") = "8"
    & skf18("9","9","3","1","9","5","1") = "8"
    & skf18("9","9","3","1","9","6","1") = "8"
    & skf18("9","9","3","1","9","7","1") = "8"
    & skf18("9","9","3","1","9","8","1") = "8"
    & skf18("9","9","3","1","9","9","1") = "8"
    & skf18("9","9","3","1","9","10","1") = "9"
    & skf18("9","9","3","1","10","1","1") = "9"
    & skf18("9","9","3","1","10","2","1") = "9"
    & skf18("9","9","3","1","10","3","1") = "9"
    & skf18("9","9","3","1","10","4","1") = "9"
    & skf18("9","9","3","1","10","5","1") = "9"
    & skf18("9","9","3","1","10","6","1") = "9"
    & skf18("9","9","3","1","10","7","1") = "9"
    & skf18("9","9","3","1","10","8","1") = "9"
    & skf18("9","9","3","1","10","9","1") = "9"
    & skf18("9","9","3","1","10","10","1") = "9"
    & skf18("9","9","3","2","1","1","1") = "8"
    & skf18("9","9","3","2","1","2","1") = "8"
    & skf18("9","9","3","2","1","3","1") = "8"
    & skf18("9","9","3","2","1","4","1") = "8"
    & skf18("9","9","3","2","1","5","1") = "8"
    & skf18("9","9","3","2","1","6","1") = "8"
    & skf18("9","9","3","2","1","7","1") = "8"
    & skf18("9","9","3","2","1","8","1") = "8"
    & skf18("9","9","3","2","1","9","1") = "8"
    & skf18("9","9","3","2","1","10","1") = "9"
    & skf18("9","9","3","2","2","1","1") = "8"
    & skf18("9","9","3","2","2","2","1") = "8"
    & skf18("9","9","3","2","2","3","1") = "8"
    & skf18("9","9","3","2","2","4","1") = "8"
    & skf18("9","9","3","2","2","5","1") = "8"
    & skf18("9","9","3","2","2","6","1") = "8"
    & skf18("9","9","3","2","2","7","1") = "8"
    & skf18("9","9","3","2","2","8","1") = "8"
    & skf18("9","9","3","2","2","9","1") = "8"
    & skf18("9","9","3","2","2","10","1") = "9"
    & skf18("9","9","3","2","3","1","1") = "8"
    & skf18("9","9","3","2","3","2","1") = "8"
    & skf18("9","9","3","2","3","3","1") = "8"
    & skf18("9","9","3","2","3","4","1") = "8"
    & skf18("9","9","3","2","3","5","1") = "8"
    & skf18("9","9","3","2","3","6","1") = "8"
    & skf18("9","9","3","2","3","7","1") = "8"
    & skf18("9","9","3","2","3","8","1") = "8"
    & skf18("9","9","3","2","3","9","1") = "8"
    & skf18("9","9","3","2","3","10","1") = "9"
    & skf18("9","9","3","2","4","1","1") = "8"
    & skf18("9","9","3","2","4","2","1") = "8"
    & skf18("9","9","3","2","4","3","1") = "8"
    & skf18("9","9","3","2","4","4","1") = "8"
    & skf18("9","9","3","2","4","5","1") = "8"
    & skf18("9","9","3","2","4","6","1") = "8"
    & skf18("9","9","3","2","4","7","1") = "8"
    & skf18("9","9","3","2","4","8","1") = "8"
    & skf18("9","9","3","2","4","9","1") = "8"
    & skf18("9","9","3","2","4","10","1") = "9"
    & skf18("9","9","3","2","5","1","1") = "8"
    & skf18("9","9","3","2","5","2","1") = "8"
    & skf18("9","9","3","2","5","3","1") = "8"
    & skf18("9","9","3","2","5","4","1") = "8"
    & skf18("9","9","3","2","5","5","1") = "8"
    & skf18("9","9","3","2","5","6","1") = "8"
    & skf18("9","9","3","2","5","7","1") = "8"
    & skf18("9","9","3","2","5","8","1") = "8"
    & skf18("9","9","3","2","5","9","1") = "8"
    & skf18("9","9","3","2","5","10","1") = "9"
    & skf18("9","9","3","2","6","1","1") = "8"
    & skf18("9","9","3","2","6","2","1") = "8"
    & skf18("9","9","3","2","6","3","1") = "8"
    & skf18("9","9","3","2","6","4","1") = "8"
    & skf18("9","9","3","2","6","5","1") = "8"
    & skf18("9","9","3","2","6","6","1") = "8"
    & skf18("9","9","3","2","6","7","1") = "8"
    & skf18("9","9","3","2","6","8","1") = "8"
    & skf18("9","9","3","2","6","9","1") = "8"
    & skf18("9","9","3","2","6","10","1") = "9"
    & skf18("9","9","3","2","7","1","1") = "8"
    & skf18("9","9","3","2","7","2","1") = "8"
    & skf18("9","9","3","2","7","3","1") = "8"
    & skf18("9","9","3","2","7","4","1") = "8"
    & skf18("9","9","3","2","7","5","1") = "8"
    & skf18("9","9","3","2","7","6","1") = "8"
    & skf18("9","9","3","2","7","7","1") = "8"
    & skf18("9","9","3","2","7","8","1") = "8"
    & skf18("9","9","3","2","7","9","1") = "8"
    & skf18("9","9","3","2","7","10","1") = "9"
    & skf18("9","9","3","2","8","1","1") = "8"
    & skf18("9","9","3","2","8","2","1") = "8"
    & skf18("9","9","3","2","8","3","1") = "8"
    & skf18("9","9","3","2","8","4","1") = "8"
    & skf18("9","9","3","2","8","5","1") = "8"
    & skf18("9","9","3","2","8","6","1") = "8"
    & skf18("9","9","3","2","8","7","1") = "8"
    & skf18("9","9","3","2","8","8","1") = "8"
    & skf18("9","9","3","2","8","9","1") = "8"
    & skf18("9","9","3","2","8","10","1") = "9"
    & skf18("9","9","3","2","9","1","1") = "8"
    & skf18("9","9","3","2","9","2","1") = "8"
    & skf18("9","9","3","2","9","3","1") = "8"
    & skf18("9","9","3","2","9","4","1") = "8"
    & skf18("9","9","3","2","9","5","1") = "8"
    & skf18("9","9","3","2","9","6","1") = "8"
    & skf18("9","9","3","2","9","7","1") = "8"
    & skf18("9","9","3","2","9","8","1") = "8"
    & skf18("9","9","3","2","9","9","1") = "8"
    & skf18("9","9","3","2","9","10","1") = "9"
    & skf18("9","9","3","2","10","1","1") = "9"
    & skf18("9","9","3","2","10","2","1") = "9"
    & skf18("9","9","3","2","10","3","1") = "9"
    & skf18("9","9","3","2","10","4","1") = "9"
    & skf18("9","9","3","2","10","5","1") = "9"
    & skf18("9","9","3","2","10","6","1") = "9"
    & skf18("9","9","3","2","10","7","1") = "9"
    & skf18("9","9","3","2","10","8","1") = "9"
    & skf18("9","9","3","2","10","9","1") = "9"
    & skf18("9","9","3","2","10","10","1") = "9"
    & skf18("9","9","3","3","1","1","1") = "8"
    & skf18("9","9","3","3","1","2","1") = "8"
    & skf18("9","9","3","3","1","3","1") = "8"
    & skf18("9","9","3","3","1","4","1") = "8"
    & skf18("9","9","3","3","1","5","1") = "8"
    & skf18("9","9","3","3","1","6","1") = "8"
    & skf18("9","9","3","3","1","7","1") = "8"
    & skf18("9","9","3","3","1","8","1") = "8"
    & skf18("9","9","3","3","1","9","1") = "8"
    & skf18("9","9","3","3","1","10","1") = "9"
    & skf18("9","9","3","3","2","1","1") = "8"
    & skf18("9","9","3","3","2","2","1") = "8"
    & skf18("9","9","3","3","2","3","1") = "8"
    & skf18("9","9","3","3","2","4","1") = "8"
    & skf18("9","9","3","3","2","5","1") = "8"
    & skf18("9","9","3","3","2","6","1") = "8"
    & skf18("9","9","3","3","2","7","1") = "8"
    & skf18("9","9","3","3","2","8","1") = "8"
    & skf18("9","9","3","3","2","9","1") = "8"
    & skf18("9","9","3","3","2","10","1") = "9"
    & skf18("9","9","3","3","3","1","1") = "8"
    & skf18("9","9","3","3","3","2","1") = "8"
    & skf18("9","9","3","3","3","3","1") = "8"
    & skf18("9","9","3","3","3","4","1") = "8"
    & skf18("9","9","3","3","3","5","1") = "8"
    & skf18("9","9","3","3","3","6","1") = "8"
    & skf18("9","9","3","3","3","7","1") = "8"
    & skf18("9","9","3","3","3","8","1") = "8"
    & skf18("9","9","3","3","3","9","1") = "8"
    & skf18("9","9","3","3","3","10","1") = "9"
    & skf18("9","9","3","3","4","1","1") = "8"
    & skf18("9","9","3","3","4","2","1") = "8"
    & skf18("9","9","3","3","4","3","1") = "8"
    & skf18("9","9","3","3","4","4","1") = "8"
    & skf18("9","9","3","3","4","5","1") = "8"
    & skf18("9","9","3","3","4","6","1") = "8"
    & skf18("9","9","3","3","4","7","1") = "8"
    & skf18("9","9","3","3","4","8","1") = "8"
    & skf18("9","9","3","3","4","9","1") = "8"
    & skf18("9","9","3","3","4","10","1") = "9"
    & skf18("9","9","3","3","5","1","1") = "8"
    & skf18("9","9","3","3","5","2","1") = "8"
    & skf18("9","9","3","3","5","3","1") = "8"
    & skf18("9","9","3","3","5","4","1") = "8"
    & skf18("9","9","3","3","5","5","1") = "8"
    & skf18("9","9","3","3","5","6","1") = "8"
    & skf18("9","9","3","3","5","7","1") = "8"
    & skf18("9","9","3","3","5","8","1") = "8"
    & skf18("9","9","3","3","5","9","1") = "8"
    & skf18("9","9","3","3","5","10","1") = "9"
    & skf18("9","9","3","3","6","1","1") = "8"
    & skf18("9","9","3","3","6","2","1") = "8"
    & skf18("9","9","3","3","6","3","1") = "8"
    & skf18("9","9","3","3","6","4","1") = "8"
    & skf18("9","9","3","3","6","5","1") = "8"
    & skf18("9","9","3","3","6","6","1") = "8"
    & skf18("9","9","3","3","6","7","1") = "8"
    & skf18("9","9","3","3","6","8","1") = "8"
    & skf18("9","9","3","3","6","9","1") = "8"
    & skf18("9","9","3","3","6","10","1") = "9"
    & skf18("9","9","3","3","7","1","1") = "8"
    & skf18("9","9","3","3","7","2","1") = "8"
    & skf18("9","9","3","3","7","3","1") = "8"
    & skf18("9","9","3","3","7","4","1") = "8"
    & skf18("9","9","3","3","7","5","1") = "8"
    & skf18("9","9","3","3","7","6","1") = "8"
    & skf18("9","9","3","3","7","7","1") = "8"
    & skf18("9","9","3","3","7","8","1") = "8"
    & skf18("9","9","3","3","7","9","1") = "8"
    & skf18("9","9","3","3","7","10","1") = "9"
    & skf18("9","9","3","3","8","1","1") = "8"
    & skf18("9","9","3","3","8","2","1") = "8"
    & skf18("9","9","3","3","8","3","1") = "8"
    & skf18("9","9","3","3","8","4","1") = "8"
    & skf18("9","9","3","3","8","5","1") = "8"
    & skf18("9","9","3","3","8","6","1") = "8"
    & skf18("9","9","3","3","8","7","1") = "8"
    & skf18("9","9","3","3","8","8","1") = "8"
    & skf18("9","9","3","3","8","9","1") = "8"
    & skf18("9","9","3","3","8","10","1") = "9"
    & skf18("9","9","3","3","9","1","1") = "8"
    & skf18("9","9","3","3","9","2","1") = "8"
    & skf18("9","9","3","3","9","3","1") = "8"
    & skf18("9","9","3","3","9","4","1") = "8"
    & skf18("9","9","3","3","9","5","1") = "8"
    & skf18("9","9","3","3","9","6","1") = "8"
    & skf18("9","9","3","3","9","7","1") = "8"
    & skf18("9","9","3","3","9","8","1") = "8"
    & skf18("9","9","3","3","9","9","1") = "8"
    & skf18("9","9","3","3","9","10","1") = "9"
    & skf18("9","9","3","3","10","1","1") = "9"
    & skf18("9","9","3","3","10","2","1") = "9"
    & skf18("9","9","3","3","10","3","1") = "9"
    & skf18("9","9","3","3","10","4","1") = "9"
    & skf18("9","9","3","3","10","5","1") = "9"
    & skf18("9","9","3","3","10","6","1") = "9"
    & skf18("9","9","3","3","10","7","1") = "9"
    & skf18("9","9","3","3","10","8","1") = "9"
    & skf18("9","9","3","3","10","9","1") = "9"
    & skf18("9","9","3","3","10","10","1") = "9"
    & skf18("9","9","3","4","1","1","1") = "8"
    & skf18("9","9","3","4","1","2","1") = "8"
    & skf18("9","9","3","4","1","3","1") = "8"
    & skf18("9","9","3","4","1","4","1") = "8"
    & skf18("9","9","3","4","1","5","1") = "8"
    & skf18("9","9","3","4","1","6","1") = "8"
    & skf18("9","9","3","4","1","7","1") = "8"
    & skf18("9","9","3","4","1","8","1") = "8"
    & skf18("9","9","3","4","1","9","1") = "8"
    & skf18("9","9","3","4","1","10","1") = "9"
    & skf18("9","9","3","4","2","1","1") = "8"
    & skf18("9","9","3","4","2","2","1") = "8"
    & skf18("9","9","3","4","2","3","1") = "8"
    & skf18("9","9","3","4","2","4","1") = "8"
    & skf18("9","9","3","4","2","5","1") = "8"
    & skf18("9","9","3","4","2","6","1") = "8"
    & skf18("9","9","3","4","2","7","1") = "8"
    & skf18("9","9","3","4","2","8","1") = "8"
    & skf18("9","9","3","4","2","9","1") = "8"
    & skf18("9","9","3","4","2","10","1") = "9"
    & skf18("9","9","3","4","3","1","1") = "8"
    & skf18("9","9","3","4","3","2","1") = "8"
    & skf18("9","9","3","4","3","3","1") = "8"
    & skf18("9","9","3","4","3","4","1") = "8"
    & skf18("9","9","3","4","3","5","1") = "8"
    & skf18("9","9","3","4","3","6","1") = "8"
    & skf18("9","9","3","4","3","7","1") = "8"
    & skf18("9","9","3","4","3","8","1") = "8"
    & skf18("9","9","3","4","3","9","1") = "8"
    & skf18("9","9","3","4","3","10","1") = "9"
    & skf18("9","9","3","4","4","1","1") = "8"
    & skf18("9","9","3","4","4","2","1") = "8"
    & skf18("9","9","3","4","4","3","1") = "8"
    & skf18("9","9","3","4","4","4","1") = "8"
    & skf18("9","9","3","4","4","5","1") = "8"
    & skf18("9","9","3","4","4","6","1") = "8"
    & skf18("9","9","3","4","4","7","1") = "8"
    & skf18("9","9","3","4","4","8","1") = "8"
    & skf18("9","9","3","4","4","9","1") = "8"
    & skf18("9","9","3","4","4","10","1") = "9"
    & skf18("9","9","3","4","5","1","1") = "8"
    & skf18("9","9","3","4","5","2","1") = "8"
    & skf18("9","9","3","4","5","3","1") = "8"
    & skf18("9","9","3","4","5","4","1") = "8"
    & skf18("9","9","3","4","5","5","1") = "8"
    & skf18("9","9","3","4","5","6","1") = "8"
    & skf18("9","9","3","4","5","7","1") = "8"
    & skf18("9","9","3","4","5","8","1") = "8"
    & skf18("9","9","3","4","5","9","1") = "8"
    & skf18("9","9","3","4","5","10","1") = "9"
    & skf18("9","9","3","4","6","1","1") = "8"
    & skf18("9","9","3","4","6","2","1") = "8"
    & skf18("9","9","3","4","6","3","1") = "8"
    & skf18("9","9","3","4","6","4","1") = "8"
    & skf18("9","9","3","4","6","5","1") = "8"
    & skf18("9","9","3","4","6","6","1") = "8"
    & skf18("9","9","3","4","6","7","1") = "8"
    & skf18("9","9","3","4","6","8","1") = "8"
    & skf18("9","9","3","4","6","9","1") = "8"
    & skf18("9","9","3","4","6","10","1") = "9"
    & skf18("9","9","3","4","7","1","1") = "8"
    & skf18("9","9","3","4","7","2","1") = "8"
    & skf18("9","9","3","4","7","3","1") = "8"
    & skf18("9","9","3","4","7","4","1") = "8"
    & skf18("9","9","3","4","7","5","1") = "8"
    & skf18("9","9","3","4","7","6","1") = "8"
    & skf18("9","9","3","4","7","7","1") = "8"
    & skf18("9","9","3","4","7","8","1") = "8"
    & skf18("9","9","3","4","7","9","1") = "8"
    & skf18("9","9","3","4","7","10","1") = "9"
    & skf18("9","9","3","4","8","1","1") = "8"
    & skf18("9","9","3","4","8","2","1") = "8"
    & skf18("9","9","3","4","8","3","1") = "8"
    & skf18("9","9","3","4","8","4","1") = "8"
    & skf18("9","9","3","4","8","5","1") = "8"
    & skf18("9","9","3","4","8","6","1") = "8"
    & skf18("9","9","3","4","8","7","1") = "8"
    & skf18("9","9","3","4","8","8","1") = "8"
    & skf18("9","9","3","4","8","9","1") = "8"
    & skf18("9","9","3","4","8","10","1") = "9"
    & skf18("9","9","3","4","9","1","1") = "8"
    & skf18("9","9","3","4","9","2","1") = "8"
    & skf18("9","9","3","4","9","3","1") = "8"
    & skf18("9","9","3","4","9","4","1") = "8"
    & skf18("9","9","3","4","9","5","1") = "8"
    & skf18("9","9","3","4","9","6","1") = "8"
    & skf18("9","9","3","4","9","7","1") = "8"
    & skf18("9","9","3","4","9","8","1") = "8"
    & skf18("9","9","3","4","9","9","1") = "8"
    & skf18("9","9","3","4","9","10","1") = "9"
    & skf18("9","9","3","4","10","1","1") = "9"
    & skf18("9","9","3","4","10","2","1") = "9"
    & skf18("9","9","3","4","10","3","1") = "9"
    & skf18("9","9","3","4","10","4","1") = "9"
    & skf18("9","9","3","4","10","5","1") = "9"
    & skf18("9","9","3","4","10","6","1") = "9"
    & skf18("9","9","3","4","10","7","1") = "9"
    & skf18("9","9","3","4","10","8","1") = "9"
    & skf18("9","9","3","4","10","9","1") = "9"
    & skf18("9","9","3","4","10","10","1") = "9"
    & skf18("9","9","3","5","1","1","1") = "8"
    & skf18("9","9","3","5","1","2","1") = "8"
    & skf18("9","9","3","5","1","3","1") = "8"
    & skf18("9","9","3","5","1","4","1") = "8"
    & skf18("9","9","3","5","1","5","1") = "8"
    & skf18("9","9","3","5","1","6","1") = "8"
    & skf18("9","9","3","5","1","7","1") = "8"
    & skf18("9","9","3","5","1","8","1") = "8"
    & skf18("9","9","3","5","1","9","1") = "8"
    & skf18("9","9","3","5","1","10","1") = "9"
    & skf18("9","9","3","5","2","1","1") = "8"
    & skf18("9","9","3","5","2","2","1") = "8"
    & skf18("9","9","3","5","2","3","1") = "8"
    & skf18("9","9","3","5","2","4","1") = "8"
    & skf18("9","9","3","5","2","5","1") = "8"
    & skf18("9","9","3","5","2","6","1") = "8"
    & skf18("9","9","3","5","2","7","1") = "8"
    & skf18("9","9","3","5","2","8","1") = "8"
    & skf18("9","9","3","5","2","9","1") = "8"
    & skf18("9","9","3","5","2","10","1") = "9"
    & skf18("9","9","3","5","3","1","1") = "8"
    & skf18("9","9","3","5","3","2","1") = "8"
    & skf18("9","9","3","5","3","3","1") = "8"
    & skf18("9","9","3","5","3","4","1") = "8"
    & skf18("9","9","3","5","3","5","1") = "8"
    & skf18("9","9","3","5","3","6","1") = "8"
    & skf18("9","9","3","5","3","7","1") = "8"
    & skf18("9","9","3","5","3","8","1") = "8"
    & skf18("9","9","3","5","3","9","1") = "8"
    & skf18("9","9","3","5","3","10","1") = "9"
    & skf18("9","9","3","5","4","1","1") = "8"
    & skf18("9","9","3","5","4","2","1") = "8"
    & skf18("9","9","3","5","4","3","1") = "8"
    & skf18("9","9","3","5","4","4","1") = "8"
    & skf18("9","9","3","5","4","5","1") = "8"
    & skf18("9","9","3","5","4","6","1") = "8"
    & skf18("9","9","3","5","4","7","1") = "8"
    & skf18("9","9","3","5","4","8","1") = "8"
    & skf18("9","9","3","5","4","9","1") = "8"
    & skf18("9","9","3","5","4","10","1") = "9"
    & skf18("9","9","3","5","5","1","1") = "8"
    & skf18("9","9","3","5","5","2","1") = "8"
    & skf18("9","9","3","5","5","3","1") = "8"
    & skf18("9","9","3","5","5","4","1") = "8"
    & skf18("9","9","3","5","5","5","1") = "8"
    & skf18("9","9","3","5","5","6","1") = "8"
    & skf18("9","9","3","5","5","7","1") = "8"
    & skf18("9","9","3","5","5","8","1") = "8"
    & skf18("9","9","3","5","5","9","1") = "8"
    & skf18("9","9","3","5","5","10","1") = "9"
    & skf18("9","9","3","5","6","1","1") = "8"
    & skf18("9","9","3","5","6","2","1") = "8"
    & skf18("9","9","3","5","6","3","1") = "8"
    & skf18("9","9","3","5","6","4","1") = "8"
    & skf18("9","9","3","5","6","5","1") = "8"
    & skf18("9","9","3","5","6","6","1") = "8"
    & skf18("9","9","3","5","6","7","1") = "8"
    & skf18("9","9","3","5","6","8","1") = "8"
    & skf18("9","9","3","5","6","9","1") = "8"
    & skf18("9","9","3","5","6","10","1") = "9"
    & skf18("9","9","3","5","7","1","1") = "8"
    & skf18("9","9","3","5","7","2","1") = "8"
    & skf18("9","9","3","5","7","3","1") = "8"
    & skf18("9","9","3","5","7","4","1") = "8"
    & skf18("9","9","3","5","7","5","1") = "8"
    & skf18("9","9","3","5","7","6","1") = "8"
    & skf18("9","9","3","5","7","7","1") = "8"
    & skf18("9","9","3","5","7","8","1") = "8"
    & skf18("9","9","3","5","7","9","1") = "8"
    & skf18("9","9","3","5","7","10","1") = "9"
    & skf18("9","9","3","5","8","1","1") = "8"
    & skf18("9","9","3","5","8","2","1") = "8"
    & skf18("9","9","3","5","8","3","1") = "8"
    & skf18("9","9","3","5","8","4","1") = "8"
    & skf18("9","9","3","5","8","5","1") = "8"
    & skf18("9","9","3","5","8","6","1") = "8"
    & skf18("9","9","3","5","8","7","1") = "8"
    & skf18("9","9","3","5","8","8","1") = "8"
    & skf18("9","9","3","5","8","9","1") = "8"
    & skf18("9","9","3","5","8","10","1") = "9"
    & skf18("9","9","3","5","9","1","1") = "8"
    & skf18("9","9","3","5","9","2","1") = "8"
    & skf18("9","9","3","5","9","3","1") = "8"
    & skf18("9","9","3","5","9","4","1") = "8"
    & skf18("9","9","3","5","9","5","1") = "8"
    & skf18("9","9","3","5","9","6","1") = "8"
    & skf18("9","9","3","5","9","7","1") = "8"
    & skf18("9","9","3","5","9","8","1") = "8"
    & skf18("9","9","3","5","9","9","1") = "8"
    & skf18("9","9","3","5","9","10","1") = "9"
    & skf18("9","9","3","5","10","1","1") = "9"
    & skf18("9","9","3","5","10","2","1") = "9"
    & skf18("9","9","3","5","10","3","1") = "9"
    & skf18("9","9","3","5","10","4","1") = "9"
    & skf18("9","9","3","5","10","5","1") = "9"
    & skf18("9","9","3","5","10","6","1") = "9"
    & skf18("9","9","3","5","10","7","1") = "9"
    & skf18("9","9","3","5","10","8","1") = "9"
    & skf18("9","9","3","5","10","9","1") = "9"
    & skf18("9","9","3","5","10","10","1") = "9"
    & skf18("9","9","3","6","1","1","1") = "8"
    & skf18("9","9","3","6","1","2","1") = "8"
    & skf18("9","9","3","6","1","3","1") = "8"
    & skf18("9","9","3","6","1","4","1") = "8"
    & skf18("9","9","3","6","1","5","1") = "8"
    & skf18("9","9","3","6","1","6","1") = "8"
    & skf18("9","9","3","6","1","7","1") = "8"
    & skf18("9","9","3","6","1","8","1") = "8"
    & skf18("9","9","3","6","1","9","1") = "8"
    & skf18("9","9","3","6","1","10","1") = "9"
    & skf18("9","9","3","6","2","1","1") = "8"
    & skf18("9","9","3","6","2","2","1") = "8"
    & skf18("9","9","3","6","2","3","1") = "8"
    & skf18("9","9","3","6","2","4","1") = "8"
    & skf18("9","9","3","6","2","5","1") = "8"
    & skf18("9","9","3","6","2","6","1") = "8"
    & skf18("9","9","3","6","2","7","1") = "8"
    & skf18("9","9","3","6","2","8","1") = "8"
    & skf18("9","9","3","6","2","9","1") = "8"
    & skf18("9","9","3","6","2","10","1") = "9"
    & skf18("9","9","3","6","3","1","1") = "8"
    & skf18("9","9","3","6","3","2","1") = "8"
    & skf18("9","9","3","6","3","3","1") = "8"
    & skf18("9","9","3","6","3","4","1") = "8"
    & skf18("9","9","3","6","3","5","1") = "8"
    & skf18("9","9","3","6","3","6","1") = "8"
    & skf18("9","9","3","6","3","7","1") = "8"
    & skf18("9","9","3","6","3","8","1") = "8"
    & skf18("9","9","3","6","3","9","1") = "8"
    & skf18("9","9","3","6","3","10","1") = "9"
    & skf18("9","9","3","6","4","1","1") = "8"
    & skf18("9","9","3","6","4","2","1") = "8"
    & skf18("9","9","3","6","4","3","1") = "8"
    & skf18("9","9","3","6","4","4","1") = "8"
    & skf18("9","9","3","6","4","5","1") = "8"
    & skf18("9","9","3","6","4","6","1") = "8"
    & skf18("9","9","3","6","4","7","1") = "8"
    & skf18("9","9","3","6","4","8","1") = "8"
    & skf18("9","9","3","6","4","9","1") = "8"
    & skf18("9","9","3","6","4","10","1") = "9"
    & skf18("9","9","3","6","5","1","1") = "8"
    & skf18("9","9","3","6","5","2","1") = "8"
    & skf18("9","9","3","6","5","3","1") = "8"
    & skf18("9","9","3","6","5","4","1") = "8"
    & skf18("9","9","3","6","5","5","1") = "8"
    & skf18("9","9","3","6","5","6","1") = "8"
    & skf18("9","9","3","6","5","7","1") = "8"
    & skf18("9","9","3","6","5","8","1") = "8"
    & skf18("9","9","3","6","5","9","1") = "8"
    & skf18("9","9","3","6","5","10","1") = "9"
    & skf18("9","9","3","6","6","1","1") = "8"
    & skf18("9","9","3","6","6","2","1") = "8"
    & skf18("9","9","3","6","6","3","1") = "8"
    & skf18("9","9","3","6","6","4","1") = "8"
    & skf18("9","9","3","6","6","5","1") = "8"
    & skf18("9","9","3","6","6","6","1") = "8"
    & skf18("9","9","3","6","6","7","1") = "8"
    & skf18("9","9","3","6","6","8","1") = "8"
    & skf18("9","9","3","6","6","9","1") = "8"
    & skf18("9","9","3","6","6","10","1") = "9"
    & skf18("9","9","3","6","7","1","1") = "8"
    & skf18("9","9","3","6","7","2","1") = "8"
    & skf18("9","9","3","6","7","3","1") = "8"
    & skf18("9","9","3","6","7","4","1") = "8"
    & skf18("9","9","3","6","7","5","1") = "8"
    & skf18("9","9","3","6","7","6","1") = "8"
    & skf18("9","9","3","6","7","7","1") = "8"
    & skf18("9","9","3","6","7","8","1") = "8"
    & skf18("9","9","3","6","7","9","1") = "8"
    & skf18("9","9","3","6","7","10","1") = "9"
    & skf18("9","9","3","6","8","1","1") = "8"
    & skf18("9","9","3","6","8","2","1") = "8"
    & skf18("9","9","3","6","8","3","1") = "8"
    & skf18("9","9","3","6","8","4","1") = "8"
    & skf18("9","9","3","6","8","5","1") = "8"
    & skf18("9","9","3","6","8","6","1") = "8"
    & skf18("9","9","3","6","8","7","1") = "8"
    & skf18("9","9","3","6","8","8","1") = "8"
    & skf18("9","9","3","6","8","9","1") = "8"
    & skf18("9","9","3","6","8","10","1") = "9"
    & skf18("9","9","3","6","9","1","1") = "8"
    & skf18("9","9","3","6","9","2","1") = "8"
    & skf18("9","9","3","6","9","3","1") = "8"
    & skf18("9","9","3","6","9","4","1") = "8"
    & skf18("9","9","3","6","9","5","1") = "8"
    & skf18("9","9","3","6","9","6","1") = "8"
    & skf18("9","9","3","6","9","7","1") = "8"
    & skf18("9","9","3","6","9","8","1") = "8"
    & skf18("9","9","3","6","9","9","1") = "8"
    & skf18("9","9","3","6","9","10","1") = "9"
    & skf18("9","9","3","6","10","1","1") = "9"
    & skf18("9","9","3","6","10","2","1") = "9"
    & skf18("9","9","3","6","10","3","1") = "9"
    & skf18("9","9","3","6","10","4","1") = "9"
    & skf18("9","9","3","6","10","5","1") = "9"
    & skf18("9","9","3","6","10","6","1") = "9"
    & skf18("9","9","3","6","10","7","1") = "9"
    & skf18("9","9","3","6","10","8","1") = "9"
    & skf18("9","9","3","6","10","9","1") = "9"
    & skf18("9","9","3","6","10","10","1") = "9"
    & skf18("9","9","3","7","1","1","1") = "8"
    & skf18("9","9","3","7","1","2","1") = "8"
    & skf18("9","9","3","7","1","3","1") = "8"
    & skf18("9","9","3","7","1","4","1") = "8"
    & skf18("9","9","3","7","1","5","1") = "8"
    & skf18("9","9","3","7","1","6","1") = "8"
    & skf18("9","9","3","7","1","7","1") = "8"
    & skf18("9","9","3","7","1","8","1") = "8"
    & skf18("9","9","3","7","1","9","1") = "8"
    & skf18("9","9","3","7","1","10","1") = "9"
    & skf18("9","9","3","7","2","1","1") = "8"
    & skf18("9","9","3","7","2","2","1") = "8"
    & skf18("9","9","3","7","2","3","1") = "8"
    & skf18("9","9","3","7","2","4","1") = "8"
    & skf18("9","9","3","7","2","5","1") = "8"
    & skf18("9","9","3","7","2","6","1") = "8"
    & skf18("9","9","3","7","2","7","1") = "8"
    & skf18("9","9","3","7","2","8","1") = "8"
    & skf18("9","9","3","7","2","9","1") = "8"
    & skf18("9","9","3","7","2","10","1") = "9"
    & skf18("9","9","3","7","3","1","1") = "8"
    & skf18("9","9","3","7","3","2","1") = "8"
    & skf18("9","9","3","7","3","3","1") = "8"
    & skf18("9","9","3","7","3","4","1") = "8"
    & skf18("9","9","3","7","3","5","1") = "8"
    & skf18("9","9","3","7","3","6","1") = "8"
    & skf18("9","9","3","7","3","7","1") = "8"
    & skf18("9","9","3","7","3","8","1") = "8"
    & skf18("9","9","3","7","3","9","1") = "8"
    & skf18("9","9","3","7","3","10","1") = "9"
    & skf18("9","9","3","7","4","1","1") = "8"
    & skf18("9","9","3","7","4","2","1") = "8"
    & skf18("9","9","3","7","4","3","1") = "8"
    & skf18("9","9","3","7","4","4","1") = "8"
    & skf18("9","9","3","7","4","5","1") = "8"
    & skf18("9","9","3","7","4","6","1") = "8"
    & skf18("9","9","3","7","4","7","1") = "8"
    & skf18("9","9","3","7","4","8","1") = "8"
    & skf18("9","9","3","7","4","9","1") = "8"
    & skf18("9","9","3","7","4","10","1") = "9"
    & skf18("9","9","3","7","5","1","1") = "8"
    & skf18("9","9","3","7","5","2","1") = "8"
    & skf18("9","9","3","7","5","3","1") = "8"
    & skf18("9","9","3","7","5","4","1") = "8"
    & skf18("9","9","3","7","5","5","1") = "8"
    & skf18("9","9","3","7","5","6","1") = "8"
    & skf18("9","9","3","7","5","7","1") = "8"
    & skf18("9","9","3","7","5","8","1") = "8"
    & skf18("9","9","3","7","5","9","1") = "8"
    & skf18("9","9","3","7","5","10","1") = "9"
    & skf18("9","9","3","7","6","1","1") = "8"
    & skf18("9","9","3","7","6","2","1") = "8"
    & skf18("9","9","3","7","6","3","1") = "8"
    & skf18("9","9","3","7","6","4","1") = "8"
    & skf18("9","9","3","7","6","5","1") = "8"
    & skf18("9","9","3","7","6","6","1") = "8"
    & skf18("9","9","3","7","6","7","1") = "8"
    & skf18("9","9","3","7","6","8","1") = "8"
    & skf18("9","9","3","7","6","9","1") = "8"
    & skf18("9","9","3","7","6","10","1") = "9"
    & skf18("9","9","3","7","7","1","1") = "8"
    & skf18("9","9","3","7","7","2","1") = "8"
    & skf18("9","9","3","7","7","3","1") = "8"
    & skf18("9","9","3","7","7","4","1") = "8"
    & skf18("9","9","3","7","7","5","1") = "8"
    & skf18("9","9","3","7","7","6","1") = "8"
    & skf18("9","9","3","7","7","7","1") = "8"
    & skf18("9","9","3","7","7","8","1") = "8"
    & skf18("9","9","3","7","7","9","1") = "8"
    & skf18("9","9","3","7","7","10","1") = "9"
    & skf18("9","9","3","7","8","1","1") = "8"
    & skf18("9","9","3","7","8","2","1") = "8"
    & skf18("9","9","3","7","8","3","1") = "8"
    & skf18("9","9","3","7","8","4","1") = "8"
    & skf18("9","9","3","7","8","5","1") = "8"
    & skf18("9","9","3","7","8","6","1") = "8"
    & skf18("9","9","3","7","8","7","1") = "8"
    & skf18("9","9","3","7","8","8","1") = "8"
    & skf18("9","9","3","7","8","9","1") = "8"
    & skf18("9","9","3","7","8","10","1") = "9"
    & skf18("9","9","3","7","9","1","1") = "8"
    & skf18("9","9","3","7","9","2","1") = "8"
    & skf18("9","9","3","7","9","3","1") = "8"
    & skf18("9","9","3","7","9","4","1") = "8"
    & skf18("9","9","3","7","9","5","1") = "8"
    & skf18("9","9","3","7","9","6","1") = "8"
    & skf18("9","9","3","7","9","7","1") = "8"
    & skf18("9","9","3","7","9","8","1") = "8"
    & skf18("9","9","3","7","9","9","1") = "8"
    & skf18("9","9","3","7","9","10","1") = "9"
    & skf18("9","9","3","7","10","1","1") = "9"
    & skf18("9","9","3","7","10","2","1") = "9"
    & skf18("9","9","3","7","10","3","1") = "9"
    & skf18("9","9","3","7","10","4","1") = "9"
    & skf18("9","9","3","7","10","5","1") = "9"
    & skf18("9","9","3","7","10","6","1") = "9"
    & skf18("9","9","3","7","10","7","1") = "9"
    & skf18("9","9","3","7","10","8","1") = "9"
    & skf18("9","9","3","7","10","9","1") = "9"
    & skf18("9","9","3","7","10","10","1") = "9"
    & skf18("9","9","3","8","1","1","1") = "8"
    & skf18("9","9","3","8","1","2","1") = "8"
    & skf18("9","9","3","8","1","3","1") = "8"
    & skf18("9","9","3","8","1","4","1") = "8"
    & skf18("9","9","3","8","1","5","1") = "8"
    & skf18("9","9","3","8","1","6","1") = "8"
    & skf18("9","9","3","8","1","7","1") = "8"
    & skf18("9","9","3","8","1","8","1") = "8"
    & skf18("9","9","3","8","1","9","1") = "8"
    & skf18("9","9","3","8","1","10","1") = "9"
    & skf18("9","9","3","8","2","1","1") = "8"
    & skf18("9","9","3","8","2","2","1") = "8"
    & skf18("9","9","3","8","2","3","1") = "8"
    & skf18("9","9","3","8","2","4","1") = "8"
    & skf18("9","9","3","8","2","5","1") = "8"
    & skf18("9","9","3","8","2","6","1") = "8"
    & skf18("9","9","3","8","2","7","1") = "8"
    & skf18("9","9","3","8","2","8","1") = "8"
    & skf18("9","9","3","8","2","9","1") = "8"
    & skf18("9","9","3","8","2","10","1") = "9"
    & skf18("9","9","3","8","3","1","1") = "8"
    & skf18("9","9","3","8","3","2","1") = "8"
    & skf18("9","9","3","8","3","3","1") = "8"
    & skf18("9","9","3","8","3","4","1") = "8"
    & skf18("9","9","3","8","3","5","1") = "8"
    & skf18("9","9","3","8","3","6","1") = "8"
    & skf18("9","9","3","8","3","7","1") = "8"
    & skf18("9","9","3","8","3","8","1") = "8"
    & skf18("9","9","3","8","3","9","1") = "8"
    & skf18("9","9","3","8","3","10","1") = "9"
    & skf18("9","9","3","8","4","1","1") = "8"
    & skf18("9","9","3","8","4","2","1") = "8"
    & skf18("9","9","3","8","4","3","1") = "8"
    & skf18("9","9","3","8","4","4","1") = "8"
    & skf18("9","9","3","8","4","5","1") = "8"
    & skf18("9","9","3","8","4","6","1") = "8"
    & skf18("9","9","3","8","4","7","1") = "8"
    & skf18("9","9","3","8","4","8","1") = "8"
    & skf18("9","9","3","8","4","9","1") = "8"
    & skf18("9","9","3","8","4","10","1") = "9"
    & skf18("9","9","3","8","5","1","1") = "8"
    & skf18("9","9","3","8","5","2","1") = "8"
    & skf18("9","9","3","8","5","3","1") = "8"
    & skf18("9","9","3","8","5","4","1") = "8"
    & skf18("9","9","3","8","5","5","1") = "8"
    & skf18("9","9","3","8","5","6","1") = "8"
    & skf18("9","9","3","8","5","7","1") = "8"
    & skf18("9","9","3","8","5","8","1") = "8"
    & skf18("9","9","3","8","5","9","1") = "8"
    & skf18("9","9","3","8","5","10","1") = "9"
    & skf18("9","9","3","8","6","1","1") = "8"
    & skf18("9","9","3","8","6","2","1") = "8"
    & skf18("9","9","3","8","6","3","1") = "8"
    & skf18("9","9","3","8","6","4","1") = "8"
    & skf18("9","9","3","8","6","5","1") = "8"
    & skf18("9","9","3","8","6","6","1") = "8"
    & skf18("9","9","3","8","6","7","1") = "8"
    & skf18("9","9","3","8","6","8","1") = "8"
    & skf18("9","9","3","8","6","9","1") = "8"
    & skf18("9","9","3","8","6","10","1") = "9"
    & skf18("9","9","3","8","7","1","1") = "8"
    & skf18("9","9","3","8","7","2","1") = "8"
    & skf18("9","9","3","8","7","3","1") = "8"
    & skf18("9","9","3","8","7","4","1") = "8"
    & skf18("9","9","3","8","7","5","1") = "8"
    & skf18("9","9","3","8","7","6","1") = "8"
    & skf18("9","9","3","8","7","7","1") = "8"
    & skf18("9","9","3","8","7","8","1") = "8"
    & skf18("9","9","3","8","7","9","1") = "8"
    & skf18("9","9","3","8","7","10","1") = "9"
    & skf18("9","9","3","8","8","1","1") = "8"
    & skf18("9","9","3","8","8","2","1") = "8"
    & skf18("9","9","3","8","8","3","1") = "8"
    & skf18("9","9","3","8","8","4","1") = "8"
    & skf18("9","9","3","8","8","5","1") = "8"
    & skf18("9","9","3","8","8","6","1") = "8"
    & skf18("9","9","3","8","8","7","1") = "8"
    & skf18("9","9","3","8","8","8","1") = "8"
    & skf18("9","9","3","8","8","9","1") = "8"
    & skf18("9","9","3","8","8","10","1") = "9"
    & skf18("9","9","3","8","9","1","1") = "8"
    & skf18("9","9","3","8","9","2","1") = "8"
    & skf18("9","9","3","8","9","3","1") = "8"
    & skf18("9","9","3","8","9","4","1") = "8"
    & skf18("9","9","3","8","9","5","1") = "8"
    & skf18("9","9","3","8","9","6","1") = "8"
    & skf18("9","9","3","8","9","7","1") = "8"
    & skf18("9","9","3","8","9","8","1") = "8"
    & skf18("9","9","3","8","9","9","1") = "8"
    & skf18("9","9","3","8","9","10","1") = "9"
    & skf18("9","9","3","8","10","1","1") = "9"
    & skf18("9","9","3","8","10","2","1") = "9"
    & skf18("9","9","3","8","10","3","1") = "9"
    & skf18("9","9","3","8","10","4","1") = "9"
    & skf18("9","9","3","8","10","5","1") = "9"
    & skf18("9","9","3","8","10","6","1") = "9"
    & skf18("9","9","3","8","10","7","1") = "9"
    & skf18("9","9","3","8","10","8","1") = "9"
    & skf18("9","9","3","8","10","9","1") = "9"
    & skf18("9","9","3","8","10","10","1") = "9"
    & skf18("9","9","3","9","1","1","1") = "8"
    & skf18("9","9","3","9","1","2","1") = "8"
    & skf18("9","9","3","9","1","3","1") = "8"
    & skf18("9","9","3","9","1","4","1") = "8"
    & skf18("9","9","3","9","1","5","1") = "8"
    & skf18("9","9","3","9","1","6","1") = "8"
    & skf18("9","9","3","9","1","7","1") = "8"
    & skf18("9","9","3","9","1","8","1") = "8"
    & skf18("9","9","3","9","1","9","1") = "8"
    & skf18("9","9","3","9","1","10","1") = "9"
    & skf18("9","9","3","9","2","1","1") = "8"
    & skf18("9","9","3","9","2","2","1") = "8"
    & skf18("9","9","3","9","2","3","1") = "8"
    & skf18("9","9","3","9","2","4","1") = "8"
    & skf18("9","9","3","9","2","5","1") = "8"
    & skf18("9","9","3","9","2","6","1") = "8"
    & skf18("9","9","3","9","2","7","1") = "8"
    & skf18("9","9","3","9","2","8","1") = "8"
    & skf18("9","9","3","9","2","9","1") = "8"
    & skf18("9","9","3","9","2","10","1") = "9"
    & skf18("9","9","3","9","3","1","1") = "8"
    & skf18("9","9","3","9","3","2","1") = "8"
    & skf18("9","9","3","9","3","3","1") = "8"
    & skf18("9","9","3","9","3","4","1") = "8"
    & skf18("9","9","3","9","3","5","1") = "8"
    & skf18("9","9","3","9","3","6","1") = "8"
    & skf18("9","9","3","9","3","7","1") = "8"
    & skf18("9","9","3","9","3","8","1") = "8"
    & skf18("9","9","3","9","3","9","1") = "8"
    & skf18("9","9","3","9","3","10","1") = "9"
    & skf18("9","9","3","9","4","1","1") = "8"
    & skf18("9","9","3","9","4","2","1") = "8"
    & skf18("9","9","3","9","4","3","1") = "8"
    & skf18("9","9","3","9","4","4","1") = "8"
    & skf18("9","9","3","9","4","5","1") = "8"
    & skf18("9","9","3","9","4","6","1") = "8"
    & skf18("9","9","3","9","4","7","1") = "8"
    & skf18("9","9","3","9","4","8","1") = "8"
    & skf18("9","9","3","9","4","9","1") = "8"
    & skf18("9","9","3","9","4","10","1") = "9"
    & skf18("9","9","3","9","5","1","1") = "8"
    & skf18("9","9","3","9","5","2","1") = "8"
    & skf18("9","9","3","9","5","3","1") = "8"
    & skf18("9","9","3","9","5","4","1") = "8"
    & skf18("9","9","3","9","5","5","1") = "8"
    & skf18("9","9","3","9","5","6","1") = "8"
    & skf18("9","9","3","9","5","7","1") = "8"
    & skf18("9","9","3","9","5","8","1") = "8"
    & skf18("9","9","3","9","5","9","1") = "8"
    & skf18("9","9","3","9","5","10","1") = "9"
    & skf18("9","9","3","9","6","1","1") = "8"
    & skf18("9","9","3","9","6","2","1") = "8"
    & skf18("9","9","3","9","6","3","1") = "8"
    & skf18("9","9","3","9","6","4","1") = "8"
    & skf18("9","9","3","9","6","5","1") = "8"
    & skf18("9","9","3","9","6","6","1") = "8"
    & skf18("9","9","3","9","6","7","1") = "8"
    & skf18("9","9","3","9","6","8","1") = "8"
    & skf18("9","9","3","9","6","9","1") = "8"
    & skf18("9","9","3","9","6","10","1") = "9"
    & skf18("9","9","3","9","7","1","1") = "8"
    & skf18("9","9","3","9","7","2","1") = "8"
    & skf18("9","9","3","9","7","3","1") = "8"
    & skf18("9","9","3","9","7","4","1") = "8"
    & skf18("9","9","3","9","7","5","1") = "8"
    & skf18("9","9","3","9","7","6","1") = "8"
    & skf18("9","9","3","9","7","7","1") = "8"
    & skf18("9","9","3","9","7","8","1") = "8"
    & skf18("9","9","3","9","7","9","1") = "8"
    & skf18("9","9","3","9","7","10","1") = "9"
    & skf18("9","9","3","9","8","1","1") = "8"
    & skf18("9","9","3","9","8","2","1") = "8"
    & skf18("9","9","3","9","8","3","1") = "8"
    & skf18("9","9","3","9","8","4","1") = "8"
    & skf18("9","9","3","9","8","5","1") = "8"
    & skf18("9","9","3","9","8","6","1") = "8"
    & skf18("9","9","3","9","8","7","1") = "8"
    & skf18("9","9","3","9","8","8","1") = "8"
    & skf18("9","9","3","9","8","9","1") = "8"
    & skf18("9","9","3","9","8","10","1") = "9"
    & skf18("9","9","3","9","9","1","1") = "8"
    & skf18("9","9","3","9","9","2","1") = "8"
    & skf18("9","9","3","9","9","3","1") = "8"
    & skf18("9","9","3","9","9","4","1") = "8"
    & skf18("9","9","3","9","9","5","1") = "8"
    & skf18("9","9","3","9","9","6","1") = "8"
    & skf18("9","9","3","9","9","7","1") = "8"
    & skf18("9","9","3","9","9","8","1") = "8"
    & skf18("9","9","3","9","9","9","1") = "8"
    & skf18("9","9","3","9","9","10","1") = "9"
    & skf18("9","9","3","9","10","1","1") = "9"
    & skf18("9","9","3","9","10","2","1") = "9"
    & skf18("9","9","3","9","10","3","1") = "9"
    & skf18("9","9","3","9","10","4","1") = "9"
    & skf18("9","9","3","9","10","5","1") = "9"
    & skf18("9","9","3","9","10","6","1") = "9"
    & skf18("9","9","3","9","10","7","1") = "9"
    & skf18("9","9","3","9","10","8","1") = "9"
    & skf18("9","9","3","9","10","9","1") = "9"
    & skf18("9","9","3","9","10","10","1") = "9"
    & skf18("9","9","3","10","1","1","1") = "9"
    & skf18("9","9","3","10","1","2","1") = "9"
    & skf18("9","9","3","10","1","3","1") = "9"
    & skf18("9","9","3","10","1","4","1") = "9"
    & skf18("9","9","3","10","1","5","1") = "9"
    & skf18("9","9","3","10","1","6","1") = "9"
    & skf18("9","9","3","10","1","7","1") = "9"
    & skf18("9","9","3","10","1","8","1") = "9"
    & skf18("9","9","3","10","1","9","1") = "9"
    & skf18("9","9","3","10","1","10","1") = "9"
    & skf18("9","9","3","10","2","1","1") = "9"
    & skf18("9","9","3","10","2","2","1") = "9"
    & skf18("9","9","3","10","2","3","1") = "9"
    & skf18("9","9","3","10","2","4","1") = "9"
    & skf18("9","9","3","10","2","5","1") = "9"
    & skf18("9","9","3","10","2","6","1") = "9"
    & skf18("9","9","3","10","2","7","1") = "9"
    & skf18("9","9","3","10","2","8","1") = "9"
    & skf18("9","9","3","10","2","9","1") = "9"
    & skf18("9","9","3","10","2","10","1") = "9"
    & skf18("9","9","3","10","3","1","1") = "9"
    & skf18("9","9","3","10","3","2","1") = "9"
    & skf18("9","9","3","10","3","3","1") = "9"
    & skf18("9","9","3","10","3","4","1") = "9"
    & skf18("9","9","3","10","3","5","1") = "9"
    & skf18("9","9","3","10","3","6","1") = "9"
    & skf18("9","9","3","10","3","7","1") = "9"
    & skf18("9","9","3","10","3","8","1") = "9"
    & skf18("9","9","3","10","3","9","1") = "9"
    & skf18("9","9","3","10","3","10","1") = "9"
    & skf18("9","9","3","10","4","1","1") = "9"
    & skf18("9","9","3","10","4","2","1") = "9"
    & skf18("9","9","3","10","4","3","1") = "9"
    & skf18("9","9","3","10","4","4","1") = "9"
    & skf18("9","9","3","10","4","5","1") = "9"
    & skf18("9","9","3","10","4","6","1") = "9"
    & skf18("9","9","3","10","4","7","1") = "9"
    & skf18("9","9","3","10","4","8","1") = "9"
    & skf18("9","9","3","10","4","9","1") = "9"
    & skf18("9","9","3","10","4","10","1") = "9"
    & skf18("9","9","3","10","5","1","1") = "9"
    & skf18("9","9","3","10","5","2","1") = "9"
    & skf18("9","9","3","10","5","3","1") = "9"
    & skf18("9","9","3","10","5","4","1") = "9"
    & skf18("9","9","3","10","5","5","1") = "9"
    & skf18("9","9","3","10","5","6","1") = "9"
    & skf18("9","9","3","10","5","7","1") = "9"
    & skf18("9","9","3","10","5","8","1") = "9"
    & skf18("9","9","3","10","5","9","1") = "9"
    & skf18("9","9","3","10","5","10","1") = "9"
    & skf18("9","9","3","10","6","1","1") = "9"
    & skf18("9","9","3","10","6","2","1") = "9"
    & skf18("9","9","3","10","6","3","1") = "9"
    & skf18("9","9","3","10","6","4","1") = "9"
    & skf18("9","9","3","10","6","5","1") = "9"
    & skf18("9","9","3","10","6","6","1") = "9"
    & skf18("9","9","3","10","6","7","1") = "9"
    & skf18("9","9","3","10","6","8","1") = "9"
    & skf18("9","9","3","10","6","9","1") = "9"
    & skf18("9","9","3","10","6","10","1") = "9"
    & skf18("9","9","3","10","7","1","1") = "9"
    & skf18("9","9","3","10","7","2","1") = "9"
    & skf18("9","9","3","10","7","3","1") = "9"
    & skf18("9","9","3","10","7","4","1") = "9"
    & skf18("9","9","3","10","7","5","1") = "9"
    & skf18("9","9","3","10","7","6","1") = "9"
    & skf18("9","9","3","10","7","7","1") = "9"
    & skf18("9","9","3","10","7","8","1") = "9"
    & skf18("9","9","3","10","7","9","1") = "9"
    & skf18("9","9","3","10","7","10","1") = "9"
    & skf18("9","9","3","10","8","1","1") = "9"
    & skf18("9","9","3","10","8","2","1") = "9"
    & skf18("9","9","3","10","8","3","1") = "9"
    & skf18("9","9","3","10","8","4","1") = "9"
    & skf18("9","9","3","10","8","5","1") = "9"
    & skf18("9","9","3","10","8","6","1") = "9"
    & skf18("9","9","3","10","8","7","1") = "9"
    & skf18("9","9","3","10","8","8","1") = "9"
    & skf18("9","9","3","10","8","9","1") = "9"
    & skf18("9","9","3","10","8","10","1") = "9"
    & skf18("9","9","3","10","9","1","1") = "9"
    & skf18("9","9","3","10","9","2","1") = "9"
    & skf18("9","9","3","10","9","3","1") = "9"
    & skf18("9","9","3","10","9","4","1") = "9"
    & skf18("9","9","3","10","9","5","1") = "9"
    & skf18("9","9","3","10","9","6","1") = "9"
    & skf18("9","9","3","10","9","7","1") = "9"
    & skf18("9","9","3","10","9","8","1") = "9"
    & skf18("9","9","3","10","9","9","1") = "9"
    & skf18("9","9","3","10","9","10","1") = "9"
    & skf18("9","9","3","10","10","1","1") = "9"
    & skf18("9","9","3","10","10","2","1") = "9"
    & skf18("9","9","3","10","10","3","1") = "9"
    & skf18("9","9","3","10","10","4","1") = "9"
    & skf18("9","9","3","10","10","5","1") = "9"
    & skf18("9","9","3","10","10","6","1") = "9"
    & skf18("9","9","3","10","10","7","1") = "9"
    & skf18("9","9","3","10","10","8","1") = "9"
    & skf18("9","9","3","10","10","9","1") = "9"
    & skf18("9","9","3","10","10","10","1") = "9"
    & skf18("9","9","4","1","1","1","1") = "8"
    & skf18("9","9","4","1","1","2","1") = "8"
    & skf18("9","9","4","1","1","3","1") = "8"
    & skf18("9","9","4","1","1","4","1") = "8"
    & skf18("9","9","4","1","1","5","1") = "8"
    & skf18("9","9","4","1","1","6","1") = "8"
    & skf18("9","9","4","1","1","7","1") = "8"
    & skf18("9","9","4","1","1","8","1") = "8"
    & skf18("9","9","4","1","1","9","1") = "8"
    & skf18("9","9","4","1","1","10","1") = "9"
    & skf18("9","9","4","1","2","1","1") = "8"
    & skf18("9","9","4","1","2","2","1") = "8"
    & skf18("9","9","4","1","2","3","1") = "8"
    & skf18("9","9","4","1","2","4","1") = "8"
    & skf18("9","9","4","1","2","5","1") = "8"
    & skf18("9","9","4","1","2","6","1") = "8"
    & skf18("9","9","4","1","2","7","1") = "8"
    & skf18("9","9","4","1","2","8","1") = "8"
    & skf18("9","9","4","1","2","9","1") = "8"
    & skf18("9","9","4","1","2","10","1") = "9"
    & skf18("9","9","4","1","3","1","1") = "8"
    & skf18("9","9","4","1","3","2","1") = "8"
    & skf18("9","9","4","1","3","3","1") = "8"
    & skf18("9","9","4","1","3","4","1") = "8"
    & skf18("9","9","4","1","3","5","1") = "8"
    & skf18("9","9","4","1","3","6","1") = "8"
    & skf18("9","9","4","1","3","7","1") = "8"
    & skf18("9","9","4","1","3","8","1") = "8"
    & skf18("9","9","4","1","3","9","1") = "8"
    & skf18("9","9","4","1","3","10","1") = "9"
    & skf18("9","9","4","1","4","1","1") = "8"
    & skf18("9","9","4","1","4","2","1") = "8"
    & skf18("9","9","4","1","4","3","1") = "8"
    & skf18("9","9","4","1","4","4","1") = "8"
    & skf18("9","9","4","1","4","5","1") = "8"
    & skf18("9","9","4","1","4","6","1") = "8"
    & skf18("9","9","4","1","4","7","1") = "8"
    & skf18("9","9","4","1","4","8","1") = "8"
    & skf18("9","9","4","1","4","9","1") = "8"
    & skf18("9","9","4","1","4","10","1") = "9"
    & skf18("9","9","4","1","5","1","1") = "8"
    & skf18("9","9","4","1","5","2","1") = "8"
    & skf18("9","9","4","1","5","3","1") = "8"
    & skf18("9","9","4","1","5","4","1") = "8"
    & skf18("9","9","4","1","5","5","1") = "8"
    & skf18("9","9","4","1","5","6","1") = "8"
    & skf18("9","9","4","1","5","7","1") = "8"
    & skf18("9","9","4","1","5","8","1") = "8"
    & skf18("9","9","4","1","5","9","1") = "8"
    & skf18("9","9","4","1","5","10","1") = "9"
    & skf18("9","9","4","1","6","1","1") = "8"
    & skf18("9","9","4","1","6","2","1") = "8"
    & skf18("9","9","4","1","6","3","1") = "8"
    & skf18("9","9","4","1","6","4","1") = "8"
    & skf18("9","9","4","1","6","5","1") = "8"
    & skf18("9","9","4","1","6","6","1") = "8"
    & skf18("9","9","4","1","6","7","1") = "8"
    & skf18("9","9","4","1","6","8","1") = "8"
    & skf18("9","9","4","1","6","9","1") = "8"
    & skf18("9","9","4","1","6","10","1") = "9"
    & skf18("9","9","4","1","7","1","1") = "8"
    & skf18("9","9","4","1","7","2","1") = "8"
    & skf18("9","9","4","1","7","3","1") = "8"
    & skf18("9","9","4","1","7","4","1") = "8"
    & skf18("9","9","4","1","7","5","1") = "8"
    & skf18("9","9","4","1","7","6","1") = "8"
    & skf18("9","9","4","1","7","7","1") = "8"
    & skf18("9","9","4","1","7","8","1") = "8"
    & skf18("9","9","4","1","7","9","1") = "8"
    & skf18("9","9","4","1","7","10","1") = "9"
    & skf18("9","9","4","1","8","1","1") = "8"
    & skf18("9","9","4","1","8","2","1") = "8"
    & skf18("9","9","4","1","8","3","1") = "8"
    & skf18("9","9","4","1","8","4","1") = "8"
    & skf18("9","9","4","1","8","5","1") = "8"
    & skf18("9","9","4","1","8","6","1") = "8"
    & skf18("9","9","4","1","8","7","1") = "8"
    & skf18("9","9","4","1","8","8","1") = "8"
    & skf18("9","9","4","1","8","9","1") = "8"
    & skf18("9","9","4","1","8","10","1") = "9"
    & skf18("9","9","4","1","9","1","1") = "8"
    & skf18("9","9","4","1","9","2","1") = "8"
    & skf18("9","9","4","1","9","3","1") = "8"
    & skf18("9","9","4","1","9","4","1") = "8"
    & skf18("9","9","4","1","9","5","1") = "8"
    & skf18("9","9","4","1","9","6","1") = "8"
    & skf18("9","9","4","1","9","7","1") = "8"
    & skf18("9","9","4","1","9","8","1") = "8"
    & skf18("9","9","4","1","9","9","1") = "8"
    & skf18("9","9","4","1","9","10","1") = "9"
    & skf18("9","9","4","1","10","1","1") = "9"
    & skf18("9","9","4","1","10","2","1") = "9"
    & skf18("9","9","4","1","10","3","1") = "9"
    & skf18("9","9","4","1","10","4","1") = "9"
    & skf18("9","9","4","1","10","5","1") = "9"
    & skf18("9","9","4","1","10","6","1") = "9"
    & skf18("9","9","4","1","10","7","1") = "9"
    & skf18("9","9","4","1","10","8","1") = "9"
    & skf18("9","9","4","1","10","9","1") = "9"
    & skf18("9","9","4","1","10","10","1") = "9"
    & skf18("9","9","4","2","1","1","1") = "8"
    & skf18("9","9","4","2","1","2","1") = "8"
    & skf18("9","9","4","2","1","3","1") = "8"
    & skf18("9","9","4","2","1","4","1") = "8"
    & skf18("9","9","4","2","1","5","1") = "8"
    & skf18("9","9","4","2","1","6","1") = "8"
    & skf18("9","9","4","2","1","7","1") = "8"
    & skf18("9","9","4","2","1","8","1") = "8"
    & skf18("9","9","4","2","1","9","1") = "8"
    & skf18("9","9","4","2","1","10","1") = "9"
    & skf18("9","9","4","2","2","1","1") = "8"
    & skf18("9","9","4","2","2","2","1") = "8"
    & skf18("9","9","4","2","2","3","1") = "8"
    & skf18("9","9","4","2","2","4","1") = "8"
    & skf18("9","9","4","2","2","5","1") = "8"
    & skf18("9","9","4","2","2","6","1") = "8"
    & skf18("9","9","4","2","2","7","1") = "8"
    & skf18("9","9","4","2","2","8","1") = "8"
    & skf18("9","9","4","2","2","9","1") = "8"
    & skf18("9","9","4","2","2","10","1") = "9"
    & skf18("9","9","4","2","3","1","1") = "8"
    & skf18("9","9","4","2","3","2","1") = "8"
    & skf18("9","9","4","2","3","3","1") = "8"
    & skf18("9","9","4","2","3","4","1") = "8"
    & skf18("9","9","4","2","3","5","1") = "8"
    & skf18("9","9","4","2","3","6","1") = "8"
    & skf18("9","9","4","2","3","7","1") = "8"
    & skf18("9","9","4","2","3","8","1") = "8"
    & skf18("9","9","4","2","3","9","1") = "8"
    & skf18("9","9","4","2","3","10","1") = "9"
    & skf18("9","9","4","2","4","1","1") = "8"
    & skf18("9","9","4","2","4","2","1") = "8"
    & skf18("9","9","4","2","4","3","1") = "8"
    & skf18("9","9","4","2","4","4","1") = "8"
    & skf18("9","9","4","2","4","5","1") = "8"
    & skf18("9","9","4","2","4","6","1") = "8"
    & skf18("9","9","4","2","4","7","1") = "8"
    & skf18("9","9","4","2","4","8","1") = "8"
    & skf18("9","9","4","2","4","9","1") = "8"
    & skf18("9","9","4","2","4","10","1") = "9"
    & skf18("9","9","4","2","5","1","1") = "8"
    & skf18("9","9","4","2","5","2","1") = "8"
    & skf18("9","9","4","2","5","3","1") = "8"
    & skf18("9","9","4","2","5","4","1") = "8"
    & skf18("9","9","4","2","5","5","1") = "8"
    & skf18("9","9","4","2","5","6","1") = "8"
    & skf18("9","9","4","2","5","7","1") = "8"
    & skf18("9","9","4","2","5","8","1") = "8"
    & skf18("9","9","4","2","5","9","1") = "8"
    & skf18("9","9","4","2","5","10","1") = "9"
    & skf18("9","9","4","2","6","1","1") = "8"
    & skf18("9","9","4","2","6","2","1") = "8"
    & skf18("9","9","4","2","6","3","1") = "8"
    & skf18("9","9","4","2","6","4","1") = "8"
    & skf18("9","9","4","2","6","5","1") = "8"
    & skf18("9","9","4","2","6","6","1") = "8"
    & skf18("9","9","4","2","6","7","1") = "8"
    & skf18("9","9","4","2","6","8","1") = "8"
    & skf18("9","9","4","2","6","9","1") = "8"
    & skf18("9","9","4","2","6","10","1") = "9"
    & skf18("9","9","4","2","7","1","1") = "8"
    & skf18("9","9","4","2","7","2","1") = "8"
    & skf18("9","9","4","2","7","3","1") = "8"
    & skf18("9","9","4","2","7","4","1") = "8"
    & skf18("9","9","4","2","7","5","1") = "8"
    & skf18("9","9","4","2","7","6","1") = "8"
    & skf18("9","9","4","2","7","7","1") = "8"
    & skf18("9","9","4","2","7","8","1") = "8"
    & skf18("9","9","4","2","7","9","1") = "8"
    & skf18("9","9","4","2","7","10","1") = "9"
    & skf18("9","9","4","2","8","1","1") = "8"
    & skf18("9","9","4","2","8","2","1") = "8"
    & skf18("9","9","4","2","8","3","1") = "8"
    & skf18("9","9","4","2","8","4","1") = "8"
    & skf18("9","9","4","2","8","5","1") = "8"
    & skf18("9","9","4","2","8","6","1") = "8"
    & skf18("9","9","4","2","8","7","1") = "8"
    & skf18("9","9","4","2","8","8","1") = "8"
    & skf18("9","9","4","2","8","9","1") = "8"
    & skf18("9","9","4","2","8","10","1") = "9"
    & skf18("9","9","4","2","9","1","1") = "8"
    & skf18("9","9","4","2","9","2","1") = "8"
    & skf18("9","9","4","2","9","3","1") = "8"
    & skf18("9","9","4","2","9","4","1") = "8"
    & skf18("9","9","4","2","9","5","1") = "8"
    & skf18("9","9","4","2","9","6","1") = "8"
    & skf18("9","9","4","2","9","7","1") = "8"
    & skf18("9","9","4","2","9","8","1") = "8"
    & skf18("9","9","4","2","9","9","1") = "8"
    & skf18("9","9","4","2","9","10","1") = "9"
    & skf18("9","9","4","2","10","1","1") = "9"
    & skf18("9","9","4","2","10","2","1") = "9"
    & skf18("9","9","4","2","10","3","1") = "9"
    & skf18("9","9","4","2","10","4","1") = "9"
    & skf18("9","9","4","2","10","5","1") = "9"
    & skf18("9","9","4","2","10","6","1") = "9"
    & skf18("9","9","4","2","10","7","1") = "9"
    & skf18("9","9","4","2","10","8","1") = "9"
    & skf18("9","9","4","2","10","9","1") = "9"
    & skf18("9","9","4","2","10","10","1") = "9"
    & skf18("9","9","4","3","1","1","1") = "8"
    & skf18("9","9","4","3","1","2","1") = "8"
    & skf18("9","9","4","3","1","3","1") = "8"
    & skf18("9","9","4","3","1","4","1") = "8"
    & skf18("9","9","4","3","1","5","1") = "8"
    & skf18("9","9","4","3","1","6","1") = "8"
    & skf18("9","9","4","3","1","7","1") = "8"
    & skf18("9","9","4","3","1","8","1") = "8"
    & skf18("9","9","4","3","1","9","1") = "8"
    & skf18("9","9","4","3","1","10","1") = "9"
    & skf18("9","9","4","3","2","1","1") = "8"
    & skf18("9","9","4","3","2","2","1") = "8"
    & skf18("9","9","4","3","2","3","1") = "8"
    & skf18("9","9","4","3","2","4","1") = "8"
    & skf18("9","9","4","3","2","5","1") = "8"
    & skf18("9","9","4","3","2","6","1") = "8"
    & skf18("9","9","4","3","2","7","1") = "8"
    & skf18("9","9","4","3","2","8","1") = "8"
    & skf18("9","9","4","3","2","9","1") = "8"
    & skf18("9","9","4","3","2","10","1") = "9"
    & skf18("9","9","4","3","3","1","1") = "8"
    & skf18("9","9","4","3","3","2","1") = "8"
    & skf18("9","9","4","3","3","3","1") = "8"
    & skf18("9","9","4","3","3","4","1") = "8"
    & skf18("9","9","4","3","3","5","1") = "8"
    & skf18("9","9","4","3","3","6","1") = "8"
    & skf18("9","9","4","3","3","7","1") = "8"
    & skf18("9","9","4","3","3","8","1") = "8"
    & skf18("9","9","4","3","3","9","1") = "8"
    & skf18("9","9","4","3","3","10","1") = "9"
    & skf18("9","9","4","3","4","1","1") = "8"
    & skf18("9","9","4","3","4","2","1") = "8"
    & skf18("9","9","4","3","4","3","1") = "8"
    & skf18("9","9","4","3","4","4","1") = "8"
    & skf18("9","9","4","3","4","5","1") = "8"
    & skf18("9","9","4","3","4","6","1") = "8"
    & skf18("9","9","4","3","4","7","1") = "8"
    & skf18("9","9","4","3","4","8","1") = "8"
    & skf18("9","9","4","3","4","9","1") = "8"
    & skf18("9","9","4","3","4","10","1") = "9"
    & skf18("9","9","4","3","5","1","1") = "8"
    & skf18("9","9","4","3","5","2","1") = "8"
    & skf18("9","9","4","3","5","3","1") = "8"
    & skf18("9","9","4","3","5","4","1") = "8"
    & skf18("9","9","4","3","5","5","1") = "8"
    & skf18("9","9","4","3","5","6","1") = "8"
    & skf18("9","9","4","3","5","7","1") = "8"
    & skf18("9","9","4","3","5","8","1") = "8"
    & skf18("9","9","4","3","5","9","1") = "8"
    & skf18("9","9","4","3","5","10","1") = "9"
    & skf18("9","9","4","3","6","1","1") = "8"
    & skf18("9","9","4","3","6","2","1") = "8"
    & skf18("9","9","4","3","6","3","1") = "8"
    & skf18("9","9","4","3","6","4","1") = "8"
    & skf18("9","9","4","3","6","5","1") = "8"
    & skf18("9","9","4","3","6","6","1") = "8"
    & skf18("9","9","4","3","6","7","1") = "8"
    & skf18("9","9","4","3","6","8","1") = "8"
    & skf18("9","9","4","3","6","9","1") = "8"
    & skf18("9","9","4","3","6","10","1") = "9"
    & skf18("9","9","4","3","7","1","1") = "8"
    & skf18("9","9","4","3","7","2","1") = "8"
    & skf18("9","9","4","3","7","3","1") = "8"
    & skf18("9","9","4","3","7","4","1") = "8"
    & skf18("9","9","4","3","7","5","1") = "8"
    & skf18("9","9","4","3","7","6","1") = "8"
    & skf18("9","9","4","3","7","7","1") = "8"
    & skf18("9","9","4","3","7","8","1") = "8"
    & skf18("9","9","4","3","7","9","1") = "8"
    & skf18("9","9","4","3","7","10","1") = "9"
    & skf18("9","9","4","3","8","1","1") = "8"
    & skf18("9","9","4","3","8","2","1") = "8"
    & skf18("9","9","4","3","8","3","1") = "8"
    & skf18("9","9","4","3","8","4","1") = "8"
    & skf18("9","9","4","3","8","5","1") = "8"
    & skf18("9","9","4","3","8","6","1") = "8"
    & skf18("9","9","4","3","8","7","1") = "8"
    & skf18("9","9","4","3","8","8","1") = "8"
    & skf18("9","9","4","3","8","9","1") = "8"
    & skf18("9","9","4","3","8","10","1") = "9"
    & skf18("9","9","4","3","9","1","1") = "8"
    & skf18("9","9","4","3","9","2","1") = "8"
    & skf18("9","9","4","3","9","3","1") = "8"
    & skf18("9","9","4","3","9","4","1") = "8"
    & skf18("9","9","4","3","9","5","1") = "8"
    & skf18("9","9","4","3","9","6","1") = "8"
    & skf18("9","9","4","3","9","7","1") = "8"
    & skf18("9","9","4","3","9","8","1") = "8"
    & skf18("9","9","4","3","9","9","1") = "8"
    & skf18("9","9","4","3","9","10","1") = "9"
    & skf18("9","9","4","3","10","1","1") = "9"
    & skf18("9","9","4","3","10","2","1") = "9"
    & skf18("9","9","4","3","10","3","1") = "9"
    & skf18("9","9","4","3","10","4","1") = "9"
    & skf18("9","9","4","3","10","5","1") = "9"
    & skf18("9","9","4","3","10","6","1") = "9"
    & skf18("9","9","4","3","10","7","1") = "9"
    & skf18("9","9","4","3","10","8","1") = "9"
    & skf18("9","9","4","3","10","9","1") = "9"
    & skf18("9","9","4","3","10","10","1") = "9"
    & skf18("9","9","4","4","1","1","1") = "8"
    & skf18("9","9","4","4","1","2","1") = "8"
    & skf18("9","9","4","4","1","3","1") = "8"
    & skf18("9","9","4","4","1","4","1") = "8"
    & skf18("9","9","4","4","1","5","1") = "8"
    & skf18("9","9","4","4","1","6","1") = "8"
    & skf18("9","9","4","4","1","7","1") = "8"
    & skf18("9","9","4","4","1","8","1") = "8"
    & skf18("9","9","4","4","1","9","1") = "8"
    & skf18("9","9","4","4","1","10","1") = "9"
    & skf18("9","9","4","4","2","1","1") = "8"
    & skf18("9","9","4","4","2","2","1") = "8"
    & skf18("9","9","4","4","2","3","1") = "8"
    & skf18("9","9","4","4","2","4","1") = "8"
    & skf18("9","9","4","4","2","5","1") = "8"
    & skf18("9","9","4","4","2","6","1") = "8"
    & skf18("9","9","4","4","2","7","1") = "8"
    & skf18("9","9","4","4","2","8","1") = "8"
    & skf18("9","9","4","4","2","9","1") = "8"
    & skf18("9","9","4","4","2","10","1") = "9"
    & skf18("9","9","4","4","3","1","1") = "8"
    & skf18("9","9","4","4","3","2","1") = "8"
    & skf18("9","9","4","4","3","3","1") = "8"
    & skf18("9","9","4","4","3","4","1") = "8"
    & skf18("9","9","4","4","3","5","1") = "8"
    & skf18("9","9","4","4","3","6","1") = "8"
    & skf18("9","9","4","4","3","7","1") = "8"
    & skf18("9","9","4","4","3","8","1") = "8"
    & skf18("9","9","4","4","3","9","1") = "8"
    & skf18("9","9","4","4","3","10","1") = "9"
    & skf18("9","9","4","4","4","1","1") = "8"
    & skf18("9","9","4","4","4","2","1") = "8"
    & skf18("9","9","4","4","4","3","1") = "8"
    & skf18("9","9","4","4","4","4","1") = "8"
    & skf18("9","9","4","4","4","5","1") = "8"
    & skf18("9","9","4","4","4","6","1") = "8"
    & skf18("9","9","4","4","4","7","1") = "8"
    & skf18("9","9","4","4","4","8","1") = "8"
    & skf18("9","9","4","4","4","9","1") = "8"
    & skf18("9","9","4","4","4","10","1") = "9"
    & skf18("9","9","4","4","5","1","1") = "8"
    & skf18("9","9","4","4","5","2","1") = "8"
    & skf18("9","9","4","4","5","3","1") = "8"
    & skf18("9","9","4","4","5","4","1") = "8"
    & skf18("9","9","4","4","5","5","1") = "8"
    & skf18("9","9","4","4","5","6","1") = "8"
    & skf18("9","9","4","4","5","7","1") = "8"
    & skf18("9","9","4","4","5","8","1") = "8"
    & skf18("9","9","4","4","5","9","1") = "8"
    & skf18("9","9","4","4","5","10","1") = "9"
    & skf18("9","9","4","4","6","1","1") = "8"
    & skf18("9","9","4","4","6","2","1") = "8"
    & skf18("9","9","4","4","6","3","1") = "8"
    & skf18("9","9","4","4","6","4","1") = "8"
    & skf18("9","9","4","4","6","5","1") = "8"
    & skf18("9","9","4","4","6","6","1") = "8"
    & skf18("9","9","4","4","6","7","1") = "8"
    & skf18("9","9","4","4","6","8","1") = "8"
    & skf18("9","9","4","4","6","9","1") = "8"
    & skf18("9","9","4","4","6","10","1") = "9"
    & skf18("9","9","4","4","7","1","1") = "8"
    & skf18("9","9","4","4","7","2","1") = "8"
    & skf18("9","9","4","4","7","3","1") = "8"
    & skf18("9","9","4","4","7","4","1") = "8"
    & skf18("9","9","4","4","7","5","1") = "8"
    & skf18("9","9","4","4","7","6","1") = "8"
    & skf18("9","9","4","4","7","7","1") = "8"
    & skf18("9","9","4","4","7","8","1") = "8"
    & skf18("9","9","4","4","7","9","1") = "8"
    & skf18("9","9","4","4","7","10","1") = "9"
    & skf18("9","9","4","4","8","1","1") = "8"
    & skf18("9","9","4","4","8","2","1") = "8"
    & skf18("9","9","4","4","8","3","1") = "8"
    & skf18("9","9","4","4","8","4","1") = "8"
    & skf18("9","9","4","4","8","5","1") = "8"
    & skf18("9","9","4","4","8","6","1") = "8"
    & skf18("9","9","4","4","8","7","1") = "8"
    & skf18("9","9","4","4","8","8","1") = "8"
    & skf18("9","9","4","4","8","9","1") = "8"
    & skf18("9","9","4","4","8","10","1") = "9"
    & skf18("9","9","4","4","9","1","1") = "8"
    & skf18("9","9","4","4","9","2","1") = "8"
    & skf18("9","9","4","4","9","3","1") = "8"
    & skf18("9","9","4","4","9","4","1") = "8"
    & skf18("9","9","4","4","9","5","1") = "8"
    & skf18("9","9","4","4","9","6","1") = "8"
    & skf18("9","9","4","4","9","7","1") = "8"
    & skf18("9","9","4","4","9","8","1") = "8"
    & skf18("9","9","4","4","9","9","1") = "8"
    & skf18("9","9","4","4","9","10","1") = "9"
    & skf18("9","9","4","4","10","1","1") = "9"
    & skf18("9","9","4","4","10","2","1") = "9"
    & skf18("9","9","4","4","10","3","1") = "9"
    & skf18("9","9","4","4","10","4","1") = "9"
    & skf18("9","9","4","4","10","5","1") = "9"
    & skf18("9","9","4","4","10","6","1") = "9"
    & skf18("9","9","4","4","10","7","1") = "9"
    & skf18("9","9","4","4","10","8","1") = "9"
    & skf18("9","9","4","4","10","9","1") = "9"
    & skf18("9","9","4","4","10","10","1") = "9"
    & skf18("9","9","4","5","1","1","1") = "8"
    & skf18("9","9","4","5","1","2","1") = "8"
    & skf18("9","9","4","5","1","3","1") = "8"
    & skf18("9","9","4","5","1","4","1") = "8"
    & skf18("9","9","4","5","1","5","1") = "8"
    & skf18("9","9","4","5","1","6","1") = "8"
    & skf18("9","9","4","5","1","7","1") = "8"
    & skf18("9","9","4","5","1","8","1") = "8"
    & skf18("9","9","4","5","1","9","1") = "8"
    & skf18("9","9","4","5","1","10","1") = "9"
    & skf18("9","9","4","5","2","1","1") = "8"
    & skf18("9","9","4","5","2","2","1") = "8"
    & skf18("9","9","4","5","2","3","1") = "8"
    & skf18("9","9","4","5","2","4","1") = "8"
    & skf18("9","9","4","5","2","5","1") = "8"
    & skf18("9","9","4","5","2","6","1") = "8"
    & skf18("9","9","4","5","2","7","1") = "8"
    & skf18("9","9","4","5","2","8","1") = "8"
    & skf18("9","9","4","5","2","9","1") = "8"
    & skf18("9","9","4","5","2","10","1") = "9"
    & skf18("9","9","4","5","3","1","1") = "8"
    & skf18("9","9","4","5","3","2","1") = "8"
    & skf18("9","9","4","5","3","3","1") = "8"
    & skf18("9","9","4","5","3","4","1") = "8"
    & skf18("9","9","4","5","3","5","1") = "8"
    & skf18("9","9","4","5","3","6","1") = "8"
    & skf18("9","9","4","5","3","7","1") = "8"
    & skf18("9","9","4","5","3","8","1") = "8"
    & skf18("9","9","4","5","3","9","1") = "8"
    & skf18("9","9","4","5","3","10","1") = "9"
    & skf18("9","9","4","5","4","1","1") = "8"
    & skf18("9","9","4","5","4","2","1") = "8"
    & skf18("9","9","4","5","4","3","1") = "8"
    & skf18("9","9","4","5","4","4","1") = "8"
    & skf18("9","9","4","5","4","5","1") = "8"
    & skf18("9","9","4","5","4","6","1") = "8"
    & skf18("9","9","4","5","4","7","1") = "8"
    & skf18("9","9","4","5","4","8","1") = "8"
    & skf18("9","9","4","5","4","9","1") = "8"
    & skf18("9","9","4","5","4","10","1") = "9"
    & skf18("9","9","4","5","5","1","1") = "8"
    & skf18("9","9","4","5","5","2","1") = "8"
    & skf18("9","9","4","5","5","3","1") = "8"
    & skf18("9","9","4","5","5","4","1") = "8"
    & skf18("9","9","4","5","5","5","1") = "8"
    & skf18("9","9","4","5","5","6","1") = "8"
    & skf18("9","9","4","5","5","7","1") = "8"
    & skf18("9","9","4","5","5","8","1") = "8"
    & skf18("9","9","4","5","5","9","1") = "8"
    & skf18("9","9","4","5","5","10","1") = "9"
    & skf18("9","9","4","5","6","1","1") = "8"
    & skf18("9","9","4","5","6","2","1") = "8"
    & skf18("9","9","4","5","6","3","1") = "8"
    & skf18("9","9","4","5","6","4","1") = "8"
    & skf18("9","9","4","5","6","5","1") = "8"
    & skf18("9","9","4","5","6","6","1") = "8"
    & skf18("9","9","4","5","6","7","1") = "8"
    & skf18("9","9","4","5","6","8","1") = "8"
    & skf18("9","9","4","5","6","9","1") = "8"
    & skf18("9","9","4","5","6","10","1") = "9"
    & skf18("9","9","4","5","7","1","1") = "8"
    & skf18("9","9","4","5","7","2","1") = "8"
    & skf18("9","9","4","5","7","3","1") = "8"
    & skf18("9","9","4","5","7","4","1") = "8"
    & skf18("9","9","4","5","7","5","1") = "8"
    & skf18("9","9","4","5","7","6","1") = "8"
    & skf18("9","9","4","5","7","7","1") = "8"
    & skf18("9","9","4","5","7","8","1") = "8"
    & skf18("9","9","4","5","7","9","1") = "8"
    & skf18("9","9","4","5","7","10","1") = "9"
    & skf18("9","9","4","5","8","1","1") = "8"
    & skf18("9","9","4","5","8","2","1") = "8"
    & skf18("9","9","4","5","8","3","1") = "8"
    & skf18("9","9","4","5","8","4","1") = "8"
    & skf18("9","9","4","5","8","5","1") = "8"
    & skf18("9","9","4","5","8","6","1") = "8"
    & skf18("9","9","4","5","8","7","1") = "8"
    & skf18("9","9","4","5","8","8","1") = "8"
    & skf18("9","9","4","5","8","9","1") = "8"
    & skf18("9","9","4","5","8","10","1") = "9"
    & skf18("9","9","4","5","9","1","1") = "8"
    & skf18("9","9","4","5","9","2","1") = "8"
    & skf18("9","9","4","5","9","3","1") = "8"
    & skf18("9","9","4","5","9","4","1") = "8"
    & skf18("9","9","4","5","9","5","1") = "8"
    & skf18("9","9","4","5","9","6","1") = "8"
    & skf18("9","9","4","5","9","7","1") = "8"
    & skf18("9","9","4","5","9","8","1") = "8"
    & skf18("9","9","4","5","9","9","1") = "8"
    & skf18("9","9","4","5","9","10","1") = "9"
    & skf18("9","9","4","5","10","1","1") = "9"
    & skf18("9","9","4","5","10","2","1") = "9"
    & skf18("9","9","4","5","10","3","1") = "9"
    & skf18("9","9","4","5","10","4","1") = "9"
    & skf18("9","9","4","5","10","5","1") = "9"
    & skf18("9","9","4","5","10","6","1") = "9"
    & skf18("9","9","4","5","10","7","1") = "9"
    & skf18("9","9","4","5","10","8","1") = "9"
    & skf18("9","9","4","5","10","9","1") = "9"
    & skf18("9","9","4","5","10","10","1") = "9"
    & skf18("9","9","4","6","1","1","1") = "8"
    & skf18("9","9","4","6","1","2","1") = "8"
    & skf18("9","9","4","6","1","3","1") = "8"
    & skf18("9","9","4","6","1","4","1") = "8"
    & skf18("9","9","4","6","1","5","1") = "8"
    & skf18("9","9","4","6","1","6","1") = "8"
    & skf18("9","9","4","6","1","7","1") = "8"
    & skf18("9","9","4","6","1","8","1") = "8"
    & skf18("9","9","4","6","1","9","1") = "8"
    & skf18("9","9","4","6","1","10","1") = "9"
    & skf18("9","9","4","6","2","1","1") = "8"
    & skf18("9","9","4","6","2","2","1") = "8"
    & skf18("9","9","4","6","2","3","1") = "8"
    & skf18("9","9","4","6","2","4","1") = "8"
    & skf18("9","9","4","6","2","5","1") = "8"
    & skf18("9","9","4","6","2","6","1") = "8"
    & skf18("9","9","4","6","2","7","1") = "8"
    & skf18("9","9","4","6","2","8","1") = "8"
    & skf18("9","9","4","6","2","9","1") = "8"
    & skf18("9","9","4","6","2","10","1") = "9"
    & skf18("9","9","4","6","3","1","1") = "8"
    & skf18("9","9","4","6","3","2","1") = "8"
    & skf18("9","9","4","6","3","3","1") = "8"
    & skf18("9","9","4","6","3","4","1") = "8"
    & skf18("9","9","4","6","3","5","1") = "8"
    & skf18("9","9","4","6","3","6","1") = "8"
    & skf18("9","9","4","6","3","7","1") = "8"
    & skf18("9","9","4","6","3","8","1") = "8"
    & skf18("9","9","4","6","3","9","1") = "8"
    & skf18("9","9","4","6","3","10","1") = "9"
    & skf18("9","9","4","6","4","1","1") = "8"
    & skf18("9","9","4","6","4","2","1") = "8"
    & skf18("9","9","4","6","4","3","1") = "8"
    & skf18("9","9","4","6","4","4","1") = "8"
    & skf18("9","9","4","6","4","5","1") = "8"
    & skf18("9","9","4","6","4","6","1") = "8"
    & skf18("9","9","4","6","4","7","1") = "8"
    & skf18("9","9","4","6","4","8","1") = "8"
    & skf18("9","9","4","6","4","9","1") = "8"
    & skf18("9","9","4","6","4","10","1") = "9"
    & skf18("9","9","4","6","5","1","1") = "8"
    & skf18("9","9","4","6","5","2","1") = "8"
    & skf18("9","9","4","6","5","3","1") = "8"
    & skf18("9","9","4","6","5","4","1") = "8"
    & skf18("9","9","4","6","5","5","1") = "8"
    & skf18("9","9","4","6","5","6","1") = "8"
    & skf18("9","9","4","6","5","7","1") = "8"
    & skf18("9","9","4","6","5","8","1") = "8"
    & skf18("9","9","4","6","5","9","1") = "8"
    & skf18("9","9","4","6","5","10","1") = "9"
    & skf18("9","9","4","6","6","1","1") = "8"
    & skf18("9","9","4","6","6","2","1") = "8"
    & skf18("9","9","4","6","6","3","1") = "8"
    & skf18("9","9","4","6","6","4","1") = "8"
    & skf18("9","9","4","6","6","5","1") = "8"
    & skf18("9","9","4","6","6","6","1") = "8"
    & skf18("9","9","4","6","6","7","1") = "8"
    & skf18("9","9","4","6","6","8","1") = "8"
    & skf18("9","9","4","6","6","9","1") = "8"
    & skf18("9","9","4","6","6","10","1") = "9"
    & skf18("9","9","4","6","7","1","1") = "8"
    & skf18("9","9","4","6","7","2","1") = "8"
    & skf18("9","9","4","6","7","3","1") = "8"
    & skf18("9","9","4","6","7","4","1") = "8"
    & skf18("9","9","4","6","7","5","1") = "8"
    & skf18("9","9","4","6","7","6","1") = "8"
    & skf18("9","9","4","6","7","7","1") = "8"
    & skf18("9","9","4","6","7","8","1") = "8"
    & skf18("9","9","4","6","7","9","1") = "8"
    & skf18("9","9","4","6","7","10","1") = "9"
    & skf18("9","9","4","6","8","1","1") = "8"
    & skf18("9","9","4","6","8","2","1") = "8"
    & skf18("9","9","4","6","8","3","1") = "8"
    & skf18("9","9","4","6","8","4","1") = "8"
    & skf18("9","9","4","6","8","5","1") = "8"
    & skf18("9","9","4","6","8","6","1") = "8"
    & skf18("9","9","4","6","8","7","1") = "8"
    & skf18("9","9","4","6","8","8","1") = "8"
    & skf18("9","9","4","6","8","9","1") = "8"
    & skf18("9","9","4","6","8","10","1") = "9"
    & skf18("9","9","4","6","9","1","1") = "8"
    & skf18("9","9","4","6","9","2","1") = "8"
    & skf18("9","9","4","6","9","3","1") = "8"
    & skf18("9","9","4","6","9","4","1") = "8"
    & skf18("9","9","4","6","9","5","1") = "8"
    & skf18("9","9","4","6","9","6","1") = "8"
    & skf18("9","9","4","6","9","7","1") = "8"
    & skf18("9","9","4","6","9","8","1") = "8"
    & skf18("9","9","4","6","9","9","1") = "8"
    & skf18("9","9","4","6","9","10","1") = "9"
    & skf18("9","9","4","6","10","1","1") = "9"
    & skf18("9","9","4","6","10","2","1") = "9"
    & skf18("9","9","4","6","10","3","1") = "9"
    & skf18("9","9","4","6","10","4","1") = "9"
    & skf18("9","9","4","6","10","5","1") = "9"
    & skf18("9","9","4","6","10","6","1") = "9"
    & skf18("9","9","4","6","10","7","1") = "9"
    & skf18("9","9","4","6","10","8","1") = "9"
    & skf18("9","9","4","6","10","9","1") = "9"
    & skf18("9","9","4","6","10","10","1") = "9"
    & skf18("9","9","4","7","1","1","1") = "8"
    & skf18("9","9","4","7","1","2","1") = "8"
    & skf18("9","9","4","7","1","3","1") = "8"
    & skf18("9","9","4","7","1","4","1") = "8"
    & skf18("9","9","4","7","1","5","1") = "8"
    & skf18("9","9","4","7","1","6","1") = "8"
    & skf18("9","9","4","7","1","7","1") = "8"
    & skf18("9","9","4","7","1","8","1") = "8"
    & skf18("9","9","4","7","1","9","1") = "8"
    & skf18("9","9","4","7","1","10","1") = "9"
    & skf18("9","9","4","7","2","1","1") = "8"
    & skf18("9","9","4","7","2","2","1") = "8"
    & skf18("9","9","4","7","2","3","1") = "8"
    & skf18("9","9","4","7","2","4","1") = "8"
    & skf18("9","9","4","7","2","5","1") = "8"
    & skf18("9","9","4","7","2","6","1") = "8"
    & skf18("9","9","4","7","2","7","1") = "8"
    & skf18("9","9","4","7","2","8","1") = "8"
    & skf18("9","9","4","7","2","9","1") = "8"
    & skf18("9","9","4","7","2","10","1") = "9"
    & skf18("9","9","4","7","3","1","1") = "8"
    & skf18("9","9","4","7","3","2","1") = "8"
    & skf18("9","9","4","7","3","3","1") = "8"
    & skf18("9","9","4","7","3","4","1") = "8"
    & skf18("9","9","4","7","3","5","1") = "8"
    & skf18("9","9","4","7","3","6","1") = "8"
    & skf18("9","9","4","7","3","7","1") = "8"
    & skf18("9","9","4","7","3","8","1") = "8"
    & skf18("9","9","4","7","3","9","1") = "8"
    & skf18("9","9","4","7","3","10","1") = "9"
    & skf18("9","9","4","7","4","1","1") = "8"
    & skf18("9","9","4","7","4","2","1") = "8"
    & skf18("9","9","4","7","4","3","1") = "8"
    & skf18("9","9","4","7","4","4","1") = "8"
    & skf18("9","9","4","7","4","5","1") = "8"
    & skf18("9","9","4","7","4","6","1") = "8"
    & skf18("9","9","4","7","4","7","1") = "8"
    & skf18("9","9","4","7","4","8","1") = "8"
    & skf18("9","9","4","7","4","9","1") = "8"
    & skf18("9","9","4","7","4","10","1") = "9"
    & skf18("9","9","4","7","5","1","1") = "8"
    & skf18("9","9","4","7","5","2","1") = "8"
    & skf18("9","9","4","7","5","3","1") = "8"
    & skf18("9","9","4","7","5","4","1") = "8"
    & skf18("9","9","4","7","5","5","1") = "8"
    & skf18("9","9","4","7","5","6","1") = "8"
    & skf18("9","9","4","7","5","7","1") = "8"
    & skf18("9","9","4","7","5","8","1") = "8"
    & skf18("9","9","4","7","5","9","1") = "8"
    & skf18("9","9","4","7","5","10","1") = "9"
    & skf18("9","9","4","7","6","1","1") = "8"
    & skf18("9","9","4","7","6","2","1") = "8"
    & skf18("9","9","4","7","6","3","1") = "8"
    & skf18("9","9","4","7","6","4","1") = "8"
    & skf18("9","9","4","7","6","5","1") = "8"
    & skf18("9","9","4","7","6","6","1") = "8"
    & skf18("9","9","4","7","6","7","1") = "8"
    & skf18("9","9","4","7","6","8","1") = "8"
    & skf18("9","9","4","7","6","9","1") = "8"
    & skf18("9","9","4","7","6","10","1") = "9"
    & skf18("9","9","4","7","7","1","1") = "8"
    & skf18("9","9","4","7","7","2","1") = "8"
    & skf18("9","9","4","7","7","3","1") = "8"
    & skf18("9","9","4","7","7","4","1") = "8"
    & skf18("9","9","4","7","7","5","1") = "8"
    & skf18("9","9","4","7","7","6","1") = "8"
    & skf18("9","9","4","7","7","7","1") = "8"
    & skf18("9","9","4","7","7","8","1") = "8"
    & skf18("9","9","4","7","7","9","1") = "8"
    & skf18("9","9","4","7","7","10","1") = "9"
    & skf18("9","9","4","7","8","1","1") = "8"
    & skf18("9","9","4","7","8","2","1") = "8"
    & skf18("9","9","4","7","8","3","1") = "8"
    & skf18("9","9","4","7","8","4","1") = "8"
    & skf18("9","9","4","7","8","5","1") = "8"
    & skf18("9","9","4","7","8","6","1") = "8"
    & skf18("9","9","4","7","8","7","1") = "8"
    & skf18("9","9","4","7","8","8","1") = "8"
    & skf18("9","9","4","7","8","9","1") = "8"
    & skf18("9","9","4","7","8","10","1") = "9"
    & skf18("9","9","4","7","9","1","1") = "8"
    & skf18("9","9","4","7","9","2","1") = "8"
    & skf18("9","9","4","7","9","3","1") = "8"
    & skf18("9","9","4","7","9","4","1") = "8"
    & skf18("9","9","4","7","9","5","1") = "8"
    & skf18("9","9","4","7","9","6","1") = "8"
    & skf18("9","9","4","7","9","7","1") = "8"
    & skf18("9","9","4","7","9","8","1") = "8"
    & skf18("9","9","4","7","9","9","1") = "8"
    & skf18("9","9","4","7","9","10","1") = "9"
    & skf18("9","9","4","7","10","1","1") = "9"
    & skf18("9","9","4","7","10","2","1") = "9"
    & skf18("9","9","4","7","10","3","1") = "9"
    & skf18("9","9","4","7","10","4","1") = "9"
    & skf18("9","9","4","7","10","5","1") = "9"
    & skf18("9","9","4","7","10","6","1") = "9"
    & skf18("9","9","4","7","10","7","1") = "9"
    & skf18("9","9","4","7","10","8","1") = "9"
    & skf18("9","9","4","7","10","9","1") = "9"
    & skf18("9","9","4","7","10","10","1") = "9"
    & skf18("9","9","4","8","1","1","1") = "8"
    & skf18("9","9","4","8","1","2","1") = "8"
    & skf18("9","9","4","8","1","3","1") = "8"
    & skf18("9","9","4","8","1","4","1") = "8"
    & skf18("9","9","4","8","1","5","1") = "8"
    & skf18("9","9","4","8","1","6","1") = "8"
    & skf18("9","9","4","8","1","7","1") = "8"
    & skf18("9","9","4","8","1","8","1") = "8"
    & skf18("9","9","4","8","1","9","1") = "8"
    & skf18("9","9","4","8","1","10","1") = "9"
    & skf18("9","9","4","8","2","1","1") = "8"
    & skf18("9","9","4","8","2","2","1") = "8"
    & skf18("9","9","4","8","2","3","1") = "8"
    & skf18("9","9","4","8","2","4","1") = "8"
    & skf18("9","9","4","8","2","5","1") = "8"
    & skf18("9","9","4","8","2","6","1") = "8"
    & skf18("9","9","4","8","2","7","1") = "8"
    & skf18("9","9","4","8","2","8","1") = "8"
    & skf18("9","9","4","8","2","9","1") = "8"
    & skf18("9","9","4","8","2","10","1") = "9"
    & skf18("9","9","4","8","3","1","1") = "8"
    & skf18("9","9","4","8","3","2","1") = "8"
    & skf18("9","9","4","8","3","3","1") = "8"
    & skf18("9","9","4","8","3","4","1") = "8"
    & skf18("9","9","4","8","3","5","1") = "8"
    & skf18("9","9","4","8","3","6","1") = "8"
    & skf18("9","9","4","8","3","7","1") = "8"
    & skf18("9","9","4","8","3","8","1") = "8"
    & skf18("9","9","4","8","3","9","1") = "8"
    & skf18("9","9","4","8","3","10","1") = "9"
    & skf18("9","9","4","8","4","1","1") = "8"
    & skf18("9","9","4","8","4","2","1") = "8"
    & skf18("9","9","4","8","4","3","1") = "8"
    & skf18("9","9","4","8","4","4","1") = "8"
    & skf18("9","9","4","8","4","5","1") = "8"
    & skf18("9","9","4","8","4","6","1") = "8"
    & skf18("9","9","4","8","4","7","1") = "8"
    & skf18("9","9","4","8","4","8","1") = "8"
    & skf18("9","9","4","8","4","9","1") = "8"
    & skf18("9","9","4","8","4","10","1") = "9"
    & skf18("9","9","4","8","5","1","1") = "8"
    & skf18("9","9","4","8","5","2","1") = "8"
    & skf18("9","9","4","8","5","3","1") = "8"
    & skf18("9","9","4","8","5","4","1") = "8"
    & skf18("9","9","4","8","5","5","1") = "8"
    & skf18("9","9","4","8","5","6","1") = "8"
    & skf18("9","9","4","8","5","7","1") = "8"
    & skf18("9","9","4","8","5","8","1") = "8"
    & skf18("9","9","4","8","5","9","1") = "8"
    & skf18("9","9","4","8","5","10","1") = "9"
    & skf18("9","9","4","8","6","1","1") = "8"
    & skf18("9","9","4","8","6","2","1") = "8"
    & skf18("9","9","4","8","6","3","1") = "8"
    & skf18("9","9","4","8","6","4","1") = "8"
    & skf18("9","9","4","8","6","5","1") = "8"
    & skf18("9","9","4","8","6","6","1") = "8"
    & skf18("9","9","4","8","6","7","1") = "8"
    & skf18("9","9","4","8","6","8","1") = "8"
    & skf18("9","9","4","8","6","9","1") = "8"
    & skf18("9","9","4","8","6","10","1") = "9"
    & skf18("9","9","4","8","7","1","1") = "8"
    & skf18("9","9","4","8","7","2","1") = "8"
    & skf18("9","9","4","8","7","3","1") = "8"
    & skf18("9","9","4","8","7","4","1") = "8"
    & skf18("9","9","4","8","7","5","1") = "8"
    & skf18("9","9","4","8","7","6","1") = "8"
    & skf18("9","9","4","8","7","7","1") = "8"
    & skf18("9","9","4","8","7","8","1") = "8"
    & skf18("9","9","4","8","7","9","1") = "8"
    & skf18("9","9","4","8","7","10","1") = "9"
    & skf18("9","9","4","8","8","1","1") = "8"
    & skf18("9","9","4","8","8","2","1") = "8"
    & skf18("9","9","4","8","8","3","1") = "8"
    & skf18("9","9","4","8","8","4","1") = "8"
    & skf18("9","9","4","8","8","5","1") = "8"
    & skf18("9","9","4","8","8","6","1") = "8"
    & skf18("9","9","4","8","8","7","1") = "8"
    & skf18("9","9","4","8","8","8","1") = "8"
    & skf18("9","9","4","8","8","9","1") = "8"
    & skf18("9","9","4","8","8","10","1") = "9"
    & skf18("9","9","4","8","9","1","1") = "8"
    & skf18("9","9","4","8","9","2","1") = "8"
    & skf18("9","9","4","8","9","3","1") = "8"
    & skf18("9","9","4","8","9","4","1") = "8"
    & skf18("9","9","4","8","9","5","1") = "8"
    & skf18("9","9","4","8","9","6","1") = "8"
    & skf18("9","9","4","8","9","7","1") = "8"
    & skf18("9","9","4","8","9","8","1") = "8"
    & skf18("9","9","4","8","9","9","1") = "8"
    & skf18("9","9","4","8","9","10","1") = "9"
    & skf18("9","9","4","8","10","1","1") = "9"
    & skf18("9","9","4","8","10","2","1") = "9"
    & skf18("9","9","4","8","10","3","1") = "9"
    & skf18("9","9","4","8","10","4","1") = "9"
    & skf18("9","9","4","8","10","5","1") = "9"
    & skf18("9","9","4","8","10","6","1") = "9"
    & skf18("9","9","4","8","10","7","1") = "9"
    & skf18("9","9","4","8","10","8","1") = "9"
    & skf18("9","9","4","8","10","9","1") = "9"
    & skf18("9","9","4","8","10","10","1") = "9"
    & skf18("9","9","4","9","1","1","1") = "8"
    & skf18("9","9","4","9","1","2","1") = "8"
    & skf18("9","9","4","9","1","3","1") = "8"
    & skf18("9","9","4","9","1","4","1") = "8"
    & skf18("9","9","4","9","1","5","1") = "8"
    & skf18("9","9","4","9","1","6","1") = "8"
    & skf18("9","9","4","9","1","7","1") = "8"
    & skf18("9","9","4","9","1","8","1") = "8"
    & skf18("9","9","4","9","1","9","1") = "8"
    & skf18("9","9","4","9","1","10","1") = "9"
    & skf18("9","9","4","9","2","1","1") = "8"
    & skf18("9","9","4","9","2","2","1") = "8"
    & skf18("9","9","4","9","2","3","1") = "8"
    & skf18("9","9","4","9","2","4","1") = "8"
    & skf18("9","9","4","9","2","5","1") = "8"
    & skf18("9","9","4","9","2","6","1") = "8"
    & skf18("9","9","4","9","2","7","1") = "8"
    & skf18("9","9","4","9","2","8","1") = "8"
    & skf18("9","9","4","9","2","9","1") = "8"
    & skf18("9","9","4","9","2","10","1") = "9"
    & skf18("9","9","4","9","3","1","1") = "8"
    & skf18("9","9","4","9","3","2","1") = "8"
    & skf18("9","9","4","9","3","3","1") = "8"
    & skf18("9","9","4","9","3","4","1") = "8"
    & skf18("9","9","4","9","3","5","1") = "8"
    & skf18("9","9","4","9","3","6","1") = "8"
    & skf18("9","9","4","9","3","7","1") = "8"
    & skf18("9","9","4","9","3","8","1") = "8"
    & skf18("9","9","4","9","3","9","1") = "8"
    & skf18("9","9","4","9","3","10","1") = "9"
    & skf18("9","9","4","9","4","1","1") = "8"
    & skf18("9","9","4","9","4","2","1") = "8"
    & skf18("9","9","4","9","4","3","1") = "8"
    & skf18("9","9","4","9","4","4","1") = "8"
    & skf18("9","9","4","9","4","5","1") = "8"
    & skf18("9","9","4","9","4","6","1") = "8"
    & skf18("9","9","4","9","4","7","1") = "8"
    & skf18("9","9","4","9","4","8","1") = "8"
    & skf18("9","9","4","9","4","9","1") = "8"
    & skf18("9","9","4","9","4","10","1") = "9"
    & skf18("9","9","4","9","5","1","1") = "8"
    & skf18("9","9","4","9","5","2","1") = "8"
    & skf18("9","9","4","9","5","3","1") = "8"
    & skf18("9","9","4","9","5","4","1") = "8"
    & skf18("9","9","4","9","5","5","1") = "8"
    & skf18("9","9","4","9","5","6","1") = "8"
    & skf18("9","9","4","9","5","7","1") = "8"
    & skf18("9","9","4","9","5","8","1") = "8"
    & skf18("9","9","4","9","5","9","1") = "8"
    & skf18("9","9","4","9","5","10","1") = "9"
    & skf18("9","9","4","9","6","1","1") = "8"
    & skf18("9","9","4","9","6","2","1") = "8"
    & skf18("9","9","4","9","6","3","1") = "8"
    & skf18("9","9","4","9","6","4","1") = "8"
    & skf18("9","9","4","9","6","5","1") = "8"
    & skf18("9","9","4","9","6","6","1") = "8"
    & skf18("9","9","4","9","6","7","1") = "8"
    & skf18("9","9","4","9","6","8","1") = "8"
    & skf18("9","9","4","9","6","9","1") = "8"
    & skf18("9","9","4","9","6","10","1") = "9"
    & skf18("9","9","4","9","7","1","1") = "8"
    & skf18("9","9","4","9","7","2","1") = "8"
    & skf18("9","9","4","9","7","3","1") = "8"
    & skf18("9","9","4","9","7","4","1") = "8"
    & skf18("9","9","4","9","7","5","1") = "8"
    & skf18("9","9","4","9","7","6","1") = "8"
    & skf18("9","9","4","9","7","7","1") = "8"
    & skf18("9","9","4","9","7","8","1") = "8"
    & skf18("9","9","4","9","7","9","1") = "8"
    & skf18("9","9","4","9","7","10","1") = "9"
    & skf18("9","9","4","9","8","1","1") = "8"
    & skf18("9","9","4","9","8","2","1") = "8"
    & skf18("9","9","4","9","8","3","1") = "8"
    & skf18("9","9","4","9","8","4","1") = "8"
    & skf18("9","9","4","9","8","5","1") = "8"
    & skf18("9","9","4","9","8","6","1") = "8"
    & skf18("9","9","4","9","8","7","1") = "8"
    & skf18("9","9","4","9","8","8","1") = "8"
    & skf18("9","9","4","9","8","9","1") = "8"
    & skf18("9","9","4","9","8","10","1") = "9"
    & skf18("9","9","4","9","9","1","1") = "8"
    & skf18("9","9","4","9","9","2","1") = "8"
    & skf18("9","9","4","9","9","3","1") = "8"
    & skf18("9","9","4","9","9","4","1") = "8"
    & skf18("9","9","4","9","9","5","1") = "8"
    & skf18("9","9","4","9","9","6","1") = "8"
    & skf18("9","9","4","9","9","7","1") = "8"
    & skf18("9","9","4","9","9","8","1") = "8"
    & skf18("9","9","4","9","9","9","1") = "8"
    & skf18("9","9","4","9","9","10","1") = "9"
    & skf18("9","9","4","9","10","1","1") = "9"
    & skf18("9","9","4","9","10","2","1") = "9"
    & skf18("9","9","4","9","10","3","1") = "9"
    & skf18("9","9","4","9","10","4","1") = "9"
    & skf18("9","9","4","9","10","5","1") = "9"
    & skf18("9","9","4","9","10","6","1") = "9"
    & skf18("9","9","4","9","10","7","1") = "9"
    & skf18("9","9","4","9","10","8","1") = "9"
    & skf18("9","9","4","9","10","9","1") = "9"
    & skf18("9","9","4","9","10","10","1") = "9"
    & skf18("9","9","4","10","1","1","1") = "9"
    & skf18("9","9","4","10","1","2","1") = "9"
    & skf18("9","9","4","10","1","3","1") = "9"
    & skf18("9","9","4","10","1","4","1") = "9"
    & skf18("9","9","4","10","1","5","1") = "9"
    & skf18("9","9","4","10","1","6","1") = "9"
    & skf18("9","9","4","10","1","7","1") = "9"
    & skf18("9","9","4","10","1","8","1") = "9"
    & skf18("9","9","4","10","1","9","1") = "9"
    & skf18("9","9","4","10","1","10","1") = "9"
    & skf18("9","9","4","10","2","1","1") = "9"
    & skf18("9","9","4","10","2","2","1") = "9"
    & skf18("9","9","4","10","2","3","1") = "9"
    & skf18("9","9","4","10","2","4","1") = "9"
    & skf18("9","9","4","10","2","5","1") = "9"
    & skf18("9","9","4","10","2","6","1") = "9"
    & skf18("9","9","4","10","2","7","1") = "9"
    & skf18("9","9","4","10","2","8","1") = "9"
    & skf18("9","9","4","10","2","9","1") = "9"
    & skf18("9","9","4","10","2","10","1") = "9"
    & skf18("9","9","4","10","3","1","1") = "9"
    & skf18("9","9","4","10","3","2","1") = "9"
    & skf18("9","9","4","10","3","3","1") = "9"
    & skf18("9","9","4","10","3","4","1") = "9"
    & skf18("9","9","4","10","3","5","1") = "9"
    & skf18("9","9","4","10","3","6","1") = "9"
    & skf18("9","9","4","10","3","7","1") = "9"
    & skf18("9","9","4","10","3","8","1") = "9"
    & skf18("9","9","4","10","3","9","1") = "9"
    & skf18("9","9","4","10","3","10","1") = "9"
    & skf18("9","9","4","10","4","1","1") = "9"
    & skf18("9","9","4","10","4","2","1") = "9"
    & skf18("9","9","4","10","4","3","1") = "9"
    & skf18("9","9","4","10","4","4","1") = "9"
    & skf18("9","9","4","10","4","5","1") = "9"
    & skf18("9","9","4","10","4","6","1") = "9"
    & skf18("9","9","4","10","4","7","1") = "9"
    & skf18("9","9","4","10","4","8","1") = "9"
    & skf18("9","9","4","10","4","9","1") = "9"
    & skf18("9","9","4","10","4","10","1") = "9"
    & skf18("9","9","4","10","5","1","1") = "9"
    & skf18("9","9","4","10","5","2","1") = "9"
    & skf18("9","9","4","10","5","3","1") = "9"
    & skf18("9","9","4","10","5","4","1") = "9"
    & skf18("9","9","4","10","5","5","1") = "9"
    & skf18("9","9","4","10","5","6","1") = "9"
    & skf18("9","9","4","10","5","7","1") = "9"
    & skf18("9","9","4","10","5","8","1") = "9"
    & skf18("9","9","4","10","5","9","1") = "9"
    & skf18("9","9","4","10","5","10","1") = "9"
    & skf18("9","9","4","10","6","1","1") = "9"
    & skf18("9","9","4","10","6","2","1") = "9"
    & skf18("9","9","4","10","6","3","1") = "9"
    & skf18("9","9","4","10","6","4","1") = "9"
    & skf18("9","9","4","10","6","5","1") = "9"
    & skf18("9","9","4","10","6","6","1") = "9"
    & skf18("9","9","4","10","6","7","1") = "9"
    & skf18("9","9","4","10","6","8","1") = "9"
    & skf18("9","9","4","10","6","9","1") = "9"
    & skf18("9","9","4","10","6","10","1") = "9"
    & skf18("9","9","4","10","7","1","1") = "9"
    & skf18("9","9","4","10","7","2","1") = "9"
    & skf18("9","9","4","10","7","3","1") = "9"
    & skf18("9","9","4","10","7","4","1") = "9"
    & skf18("9","9","4","10","7","5","1") = "9"
    & skf18("9","9","4","10","7","6","1") = "9"
    & skf18("9","9","4","10","7","7","1") = "9"
    & skf18("9","9","4","10","7","8","1") = "9"
    & skf18("9","9","4","10","7","9","1") = "9"
    & skf18("9","9","4","10","7","10","1") = "9"
    & skf18("9","9","4","10","8","1","1") = "9"
    & skf18("9","9","4","10","8","2","1") = "9"
    & skf18("9","9","4","10","8","3","1") = "9"
    & skf18("9","9","4","10","8","4","1") = "9"
    & skf18("9","9","4","10","8","5","1") = "9"
    & skf18("9","9","4","10","8","6","1") = "9"
    & skf18("9","9","4","10","8","7","1") = "9"
    & skf18("9","9","4","10","8","8","1") = "9"
    & skf18("9","9","4","10","8","9","1") = "9"
    & skf18("9","9","4","10","8","10","1") = "9"
    & skf18("9","9","4","10","9","1","1") = "9"
    & skf18("9","9","4","10","9","2","1") = "9"
    & skf18("9","9","4","10","9","3","1") = "9"
    & skf18("9","9","4","10","9","4","1") = "9"
    & skf18("9","9","4","10","9","5","1") = "9"
    & skf18("9","9","4","10","9","6","1") = "9"
    & skf18("9","9","4","10","9","7","1") = "9"
    & skf18("9","9","4","10","9","8","1") = "9"
    & skf18("9","9","4","10","9","9","1") = "9"
    & skf18("9","9","4","10","9","10","1") = "9"
    & skf18("9","9","4","10","10","1","1") = "9"
    & skf18("9","9","4","10","10","2","1") = "9"
    & skf18("9","9","4","10","10","3","1") = "9"
    & skf18("9","9","4","10","10","4","1") = "9"
    & skf18("9","9","4","10","10","5","1") = "9"
    & skf18("9","9","4","10","10","6","1") = "9"
    & skf18("9","9","4","10","10","7","1") = "9"
    & skf18("9","9","4","10","10","8","1") = "9"
    & skf18("9","9","4","10","10","9","1") = "9"
    & skf18("9","9","4","10","10","10","1") = "9"
    & skf18("9","9","5","1","1","1","1") = "8"
    & skf18("9","9","5","1","1","2","1") = "8"
    & skf18("9","9","5","1","1","3","1") = "8"
    & skf18("9","9","5","1","1","4","1") = "8"
    & skf18("9","9","5","1","1","5","1") = "8"
    & skf18("9","9","5","1","1","6","1") = "8"
    & skf18("9","9","5","1","1","7","1") = "8"
    & skf18("9","9","5","1","1","8","1") = "8"
    & skf18("9","9","5","1","1","9","1") = "8"
    & skf18("9","9","5","1","1","10","1") = "9"
    & skf18("9","9","5","1","2","1","1") = "8"
    & skf18("9","9","5","1","2","2","1") = "8"
    & skf18("9","9","5","1","2","3","1") = "8"
    & skf18("9","9","5","1","2","4","1") = "8"
    & skf18("9","9","5","1","2","5","1") = "8"
    & skf18("9","9","5","1","2","6","1") = "8"
    & skf18("9","9","5","1","2","7","1") = "8"
    & skf18("9","9","5","1","2","8","1") = "8"
    & skf18("9","9","5","1","2","9","1") = "8"
    & skf18("9","9","5","1","2","10","1") = "9"
    & skf18("9","9","5","1","3","1","1") = "8"
    & skf18("9","9","5","1","3","2","1") = "8"
    & skf18("9","9","5","1","3","3","1") = "8"
    & skf18("9","9","5","1","3","4","1") = "8"
    & skf18("9","9","5","1","3","5","1") = "8"
    & skf18("9","9","5","1","3","6","1") = "8"
    & skf18("9","9","5","1","3","7","1") = "8"
    & skf18("9","9","5","1","3","8","1") = "8"
    & skf18("9","9","5","1","3","9","1") = "8"
    & skf18("9","9","5","1","3","10","1") = "9"
    & skf18("9","9","5","1","4","1","1") = "8"
    & skf18("9","9","5","1","4","2","1") = "8"
    & skf18("9","9","5","1","4","3","1") = "8"
    & skf18("9","9","5","1","4","4","1") = "8"
    & skf18("9","9","5","1","4","5","1") = "8"
    & skf18("9","9","5","1","4","6","1") = "8"
    & skf18("9","9","5","1","4","7","1") = "8"
    & skf18("9","9","5","1","4","8","1") = "8"
    & skf18("9","9","5","1","4","9","1") = "8"
    & skf18("9","9","5","1","4","10","1") = "9"
    & skf18("9","9","5","1","5","1","1") = "8"
    & skf18("9","9","5","1","5","2","1") = "8"
    & skf18("9","9","5","1","5","3","1") = "8"
    & skf18("9","9","5","1","5","4","1") = "8"
    & skf18("9","9","5","1","5","5","1") = "8"
    & skf18("9","9","5","1","5","6","1") = "8"
    & skf18("9","9","5","1","5","7","1") = "8"
    & skf18("9","9","5","1","5","8","1") = "8"
    & skf18("9","9","5","1","5","9","1") = "8"
    & skf18("9","9","5","1","5","10","1") = "9"
    & skf18("9","9","5","1","6","1","1") = "8"
    & skf18("9","9","5","1","6","2","1") = "8"
    & skf18("9","9","5","1","6","3","1") = "8"
    & skf18("9","9","5","1","6","4","1") = "8"
    & skf18("9","9","5","1","6","5","1") = "8"
    & skf18("9","9","5","1","6","6","1") = "8"
    & skf18("9","9","5","1","6","7","1") = "8"
    & skf18("9","9","5","1","6","8","1") = "8"
    & skf18("9","9","5","1","6","9","1") = "8"
    & skf18("9","9","5","1","6","10","1") = "9"
    & skf18("9","9","5","1","7","1","1") = "8"
    & skf18("9","9","5","1","7","2","1") = "8"
    & skf18("9","9","5","1","7","3","1") = "8"
    & skf18("9","9","5","1","7","4","1") = "8"
    & skf18("9","9","5","1","7","5","1") = "8"
    & skf18("9","9","5","1","7","6","1") = "8"
    & skf18("9","9","5","1","7","7","1") = "8"
    & skf18("9","9","5","1","7","8","1") = "8"
    & skf18("9","9","5","1","7","9","1") = "8"
    & skf18("9","9","5","1","7","10","1") = "9"
    & skf18("9","9","5","1","8","1","1") = "8"
    & skf18("9","9","5","1","8","2","1") = "8"
    & skf18("9","9","5","1","8","3","1") = "8"
    & skf18("9","9","5","1","8","4","1") = "8"
    & skf18("9","9","5","1","8","5","1") = "8"
    & skf18("9","9","5","1","8","6","1") = "8"
    & skf18("9","9","5","1","8","7","1") = "8"
    & skf18("9","9","5","1","8","8","1") = "8"
    & skf18("9","9","5","1","8","9","1") = "8"
    & skf18("9","9","5","1","8","10","1") = "9"
    & skf18("9","9","5","1","9","1","1") = "8"
    & skf18("9","9","5","1","9","2","1") = "8"
    & skf18("9","9","5","1","9","3","1") = "8"
    & skf18("9","9","5","1","9","4","1") = "8"
    & skf18("9","9","5","1","9","5","1") = "8"
    & skf18("9","9","5","1","9","6","1") = "8"
    & skf18("9","9","5","1","9","7","1") = "8"
    & skf18("9","9","5","1","9","8","1") = "8"
    & skf18("9","9","5","1","9","9","1") = "8"
    & skf18("9","9","5","1","9","10","1") = "9"
    & skf18("9","9","5","1","10","1","1") = "9"
    & skf18("9","9","5","1","10","2","1") = "9"
    & skf18("9","9","5","1","10","3","1") = "9"
    & skf18("9","9","5","1","10","4","1") = "9"
    & skf18("9","9","5","1","10","5","1") = "9"
    & skf18("9","9","5","1","10","6","1") = "9"
    & skf18("9","9","5","1","10","7","1") = "9"
    & skf18("9","9","5","1","10","8","1") = "9"
    & skf18("9","9","5","1","10","9","1") = "9"
    & skf18("9","9","5","1","10","10","1") = "9"
    & skf18("9","9","5","2","1","1","1") = "8"
    & skf18("9","9","5","2","1","2","1") = "8"
    & skf18("9","9","5","2","1","3","1") = "8"
    & skf18("9","9","5","2","1","4","1") = "8"
    & skf18("9","9","5","2","1","5","1") = "8"
    & skf18("9","9","5","2","1","6","1") = "8"
    & skf18("9","9","5","2","1","7","1") = "8"
    & skf18("9","9","5","2","1","8","1") = "8"
    & skf18("9","9","5","2","1","9","1") = "8"
    & skf18("9","9","5","2","1","10","1") = "9"
    & skf18("9","9","5","2","2","1","1") = "8"
    & skf18("9","9","5","2","2","2","1") = "8"
    & skf18("9","9","5","2","2","3","1") = "8"
    & skf18("9","9","5","2","2","4","1") = "8"
    & skf18("9","9","5","2","2","5","1") = "8"
    & skf18("9","9","5","2","2","6","1") = "8"
    & skf18("9","9","5","2","2","7","1") = "8"
    & skf18("9","9","5","2","2","8","1") = "8"
    & skf18("9","9","5","2","2","9","1") = "8"
    & skf18("9","9","5","2","2","10","1") = "9"
    & skf18("9","9","5","2","3","1","1") = "8"
    & skf18("9","9","5","2","3","2","1") = "8"
    & skf18("9","9","5","2","3","3","1") = "8"
    & skf18("9","9","5","2","3","4","1") = "8"
    & skf18("9","9","5","2","3","5","1") = "8"
    & skf18("9","9","5","2","3","6","1") = "8"
    & skf18("9","9","5","2","3","7","1") = "8"
    & skf18("9","9","5","2","3","8","1") = "8"
    & skf18("9","9","5","2","3","9","1") = "8"
    & skf18("9","9","5","2","3","10","1") = "9"
    & skf18("9","9","5","2","4","1","1") = "8"
    & skf18("9","9","5","2","4","2","1") = "8"
    & skf18("9","9","5","2","4","3","1") = "8"
    & skf18("9","9","5","2","4","4","1") = "8"
    & skf18("9","9","5","2","4","5","1") = "8"
    & skf18("9","9","5","2","4","6","1") = "8"
    & skf18("9","9","5","2","4","7","1") = "8"
    & skf18("9","9","5","2","4","8","1") = "8"
    & skf18("9","9","5","2","4","9","1") = "8"
    & skf18("9","9","5","2","4","10","1") = "9"
    & skf18("9","9","5","2","5","1","1") = "8"
    & skf18("9","9","5","2","5","2","1") = "8"
    & skf18("9","9","5","2","5","3","1") = "8"
    & skf18("9","9","5","2","5","4","1") = "8"
    & skf18("9","9","5","2","5","5","1") = "8"
    & skf18("9","9","5","2","5","6","1") = "8"
    & skf18("9","9","5","2","5","7","1") = "8"
    & skf18("9","9","5","2","5","8","1") = "8"
    & skf18("9","9","5","2","5","9","1") = "8"
    & skf18("9","9","5","2","5","10","1") = "9"
    & skf18("9","9","5","2","6","1","1") = "8"
    & skf18("9","9","5","2","6","2","1") = "8"
    & skf18("9","9","5","2","6","3","1") = "8"
    & skf18("9","9","5","2","6","4","1") = "8"
    & skf18("9","9","5","2","6","5","1") = "8"
    & skf18("9","9","5","2","6","6","1") = "8"
    & skf18("9","9","5","2","6","7","1") = "8"
    & skf18("9","9","5","2","6","8","1") = "8"
    & skf18("9","9","5","2","6","9","1") = "8"
    & skf18("9","9","5","2","6","10","1") = "9"
    & skf18("9","9","5","2","7","1","1") = "8"
    & skf18("9","9","5","2","7","2","1") = "8"
    & skf18("9","9","5","2","7","3","1") = "8"
    & skf18("9","9","5","2","7","4","1") = "8"
    & skf18("9","9","5","2","7","5","1") = "8"
    & skf18("9","9","5","2","7","6","1") = "8"
    & skf18("9","9","5","2","7","7","1") = "8"
    & skf18("9","9","5","2","7","8","1") = "8"
    & skf18("9","9","5","2","7","9","1") = "8"
    & skf18("9","9","5","2","7","10","1") = "9"
    & skf18("9","9","5","2","8","1","1") = "8"
    & skf18("9","9","5","2","8","2","1") = "8"
    & skf18("9","9","5","2","8","3","1") = "8"
    & skf18("9","9","5","2","8","4","1") = "8"
    & skf18("9","9","5","2","8","5","1") = "8"
    & skf18("9","9","5","2","8","6","1") = "8"
    & skf18("9","9","5","2","8","7","1") = "8"
    & skf18("9","9","5","2","8","8","1") = "8"
    & skf18("9","9","5","2","8","9","1") = "8"
    & skf18("9","9","5","2","8","10","1") = "9"
    & skf18("9","9","5","2","9","1","1") = "8"
    & skf18("9","9","5","2","9","2","1") = "8"
    & skf18("9","9","5","2","9","3","1") = "8"
    & skf18("9","9","5","2","9","4","1") = "8"
    & skf18("9","9","5","2","9","5","1") = "8"
    & skf18("9","9","5","2","9","6","1") = "8"
    & skf18("9","9","5","2","9","7","1") = "8"
    & skf18("9","9","5","2","9","8","1") = "8"
    & skf18("9","9","5","2","9","9","1") = "8"
    & skf18("9","9","5","2","9","10","1") = "9"
    & skf18("9","9","5","2","10","1","1") = "9"
    & skf18("9","9","5","2","10","2","1") = "9"
    & skf18("9","9","5","2","10","3","1") = "9"
    & skf18("9","9","5","2","10","4","1") = "9"
    & skf18("9","9","5","2","10","5","1") = "9"
    & skf18("9","9","5","2","10","6","1") = "9"
    & skf18("9","9","5","2","10","7","1") = "9"
    & skf18("9","9","5","2","10","8","1") = "9"
    & skf18("9","9","5","2","10","9","1") = "9"
    & skf18("9","9","5","2","10","10","1") = "9"
    & skf18("9","9","5","3","1","1","1") = "8"
    & skf18("9","9","5","3","1","2","1") = "8"
    & skf18("9","9","5","3","1","3","1") = "8"
    & skf18("9","9","5","3","1","4","1") = "8"
    & skf18("9","9","5","3","1","5","1") = "8"
    & skf18("9","9","5","3","1","6","1") = "8"
    & skf18("9","9","5","3","1","7","1") = "8"
    & skf18("9","9","5","3","1","8","1") = "8"
    & skf18("9","9","5","3","1","9","1") = "8"
    & skf18("9","9","5","3","1","10","1") = "9"
    & skf18("9","9","5","3","2","1","1") = "8"
    & skf18("9","9","5","3","2","2","1") = "8"
    & skf18("9","9","5","3","2","3","1") = "8"
    & skf18("9","9","5","3","2","4","1") = "8"
    & skf18("9","9","5","3","2","5","1") = "8"
    & skf18("9","9","5","3","2","6","1") = "8"
    & skf18("9","9","5","3","2","7","1") = "8"
    & skf18("9","9","5","3","2","8","1") = "8"
    & skf18("9","9","5","3","2","9","1") = "8"
    & skf18("9","9","5","3","2","10","1") = "9"
    & skf18("9","9","5","3","3","1","1") = "8"
    & skf18("9","9","5","3","3","2","1") = "8"
    & skf18("9","9","5","3","3","3","1") = "8"
    & skf18("9","9","5","3","3","4","1") = "8"
    & skf18("9","9","5","3","3","5","1") = "8"
    & skf18("9","9","5","3","3","6","1") = "8"
    & skf18("9","9","5","3","3","7","1") = "8"
    & skf18("9","9","5","3","3","8","1") = "8"
    & skf18("9","9","5","3","3","9","1") = "8"
    & skf18("9","9","5","3","3","10","1") = "9"
    & skf18("9","9","5","3","4","1","1") = "8"
    & skf18("9","9","5","3","4","2","1") = "8"
    & skf18("9","9","5","3","4","3","1") = "8"
    & skf18("9","9","5","3","4","4","1") = "8"
    & skf18("9","9","5","3","4","5","1") = "8"
    & skf18("9","9","5","3","4","6","1") = "8"
    & skf18("9","9","5","3","4","7","1") = "8"
    & skf18("9","9","5","3","4","8","1") = "8"
    & skf18("9","9","5","3","4","9","1") = "8"
    & skf18("9","9","5","3","4","10","1") = "9"
    & skf18("9","9","5","3","5","1","1") = "8"
    & skf18("9","9","5","3","5","2","1") = "8"
    & skf18("9","9","5","3","5","3","1") = "8"
    & skf18("9","9","5","3","5","4","1") = "8"
    & skf18("9","9","5","3","5","5","1") = "8"
    & skf18("9","9","5","3","5","6","1") = "8"
    & skf18("9","9","5","3","5","7","1") = "8"
    & skf18("9","9","5","3","5","8","1") = "8"
    & skf18("9","9","5","3","5","9","1") = "8"
    & skf18("9","9","5","3","5","10","1") = "9"
    & skf18("9","9","5","3","6","1","1") = "8"
    & skf18("9","9","5","3","6","2","1") = "8"
    & skf18("9","9","5","3","6","3","1") = "8"
    & skf18("9","9","5","3","6","4","1") = "8"
    & skf18("9","9","5","3","6","5","1") = "8"
    & skf18("9","9","5","3","6","6","1") = "8"
    & skf18("9","9","5","3","6","7","1") = "8"
    & skf18("9","9","5","3","6","8","1") = "8"
    & skf18("9","9","5","3","6","9","1") = "8"
    & skf18("9","9","5","3","6","10","1") = "9"
    & skf18("9","9","5","3","7","1","1") = "8"
    & skf18("9","9","5","3","7","2","1") = "8"
    & skf18("9","9","5","3","7","3","1") = "8"
    & skf18("9","9","5","3","7","4","1") = "8"
    & skf18("9","9","5","3","7","5","1") = "8"
    & skf18("9","9","5","3","7","6","1") = "8"
    & skf18("9","9","5","3","7","7","1") = "8"
    & skf18("9","9","5","3","7","8","1") = "8"
    & skf18("9","9","5","3","7","9","1") = "8"
    & skf18("9","9","5","3","7","10","1") = "9"
    & skf18("9","9","5","3","8","1","1") = "8"
    & skf18("9","9","5","3","8","2","1") = "8"
    & skf18("9","9","5","3","8","3","1") = "8"
    & skf18("9","9","5","3","8","4","1") = "8"
    & skf18("9","9","5","3","8","5","1") = "8"
    & skf18("9","9","5","3","8","6","1") = "8"
    & skf18("9","9","5","3","8","7","1") = "8"
    & skf18("9","9","5","3","8","8","1") = "8"
    & skf18("9","9","5","3","8","9","1") = "8"
    & skf18("9","9","5","3","8","10","1") = "9"
    & skf18("9","9","5","3","9","1","1") = "8"
    & skf18("9","9","5","3","9","2","1") = "8"
    & skf18("9","9","5","3","9","3","1") = "8"
    & skf18("9","9","5","3","9","4","1") = "8"
    & skf18("9","9","5","3","9","5","1") = "8"
    & skf18("9","9","5","3","9","6","1") = "8"
    & skf18("9","9","5","3","9","7","1") = "8"
    & skf18("9","9","5","3","9","8","1") = "8"
    & skf18("9","9","5","3","9","9","1") = "8"
    & skf18("9","9","5","3","9","10","1") = "9"
    & skf18("9","9","5","3","10","1","1") = "9"
    & skf18("9","9","5","3","10","2","1") = "9"
    & skf18("9","9","5","3","10","3","1") = "9"
    & skf18("9","9","5","3","10","4","1") = "9"
    & skf18("9","9","5","3","10","5","1") = "9"
    & skf18("9","9","5","3","10","6","1") = "9"
    & skf18("9","9","5","3","10","7","1") = "9"
    & skf18("9","9","5","3","10","8","1") = "9"
    & skf18("9","9","5","3","10","9","1") = "9"
    & skf18("9","9","5","3","10","10","1") = "9"
    & skf18("9","9","5","4","1","1","1") = "8"
    & skf18("9","9","5","4","1","2","1") = "8"
    & skf18("9","9","5","4","1","3","1") = "8"
    & skf18("9","9","5","4","1","4","1") = "8"
    & skf18("9","9","5","4","1","5","1") = "8"
    & skf18("9","9","5","4","1","6","1") = "8"
    & skf18("9","9","5","4","1","7","1") = "8"
    & skf18("9","9","5","4","1","8","1") = "8"
    & skf18("9","9","5","4","1","9","1") = "8"
    & skf18("9","9","5","4","1","10","1") = "9"
    & skf18("9","9","5","4","2","1","1") = "8"
    & skf18("9","9","5","4","2","2","1") = "8"
    & skf18("9","9","5","4","2","3","1") = "8"
    & skf18("9","9","5","4","2","4","1") = "8"
    & skf18("9","9","5","4","2","5","1") = "8"
    & skf18("9","9","5","4","2","6","1") = "8"
    & skf18("9","9","5","4","2","7","1") = "8"
    & skf18("9","9","5","4","2","8","1") = "8"
    & skf18("9","9","5","4","2","9","1") = "8"
    & skf18("9","9","5","4","2","10","1") = "9"
    & skf18("9","9","5","4","3","1","1") = "8"
    & skf18("9","9","5","4","3","2","1") = "8"
    & skf18("9","9","5","4","3","3","1") = "8"
    & skf18("9","9","5","4","3","4","1") = "8"
    & skf18("9","9","5","4","3","5","1") = "8"
    & skf18("9","9","5","4","3","6","1") = "8"
    & skf18("9","9","5","4","3","7","1") = "8"
    & skf18("9","9","5","4","3","8","1") = "8"
    & skf18("9","9","5","4","3","9","1") = "8"
    & skf18("9","9","5","4","3","10","1") = "9"
    & skf18("9","9","5","4","4","1","1") = "8"
    & skf18("9","9","5","4","4","2","1") = "8"
    & skf18("9","9","5","4","4","3","1") = "8"
    & skf18("9","9","5","4","4","4","1") = "8"
    & skf18("9","9","5","4","4","5","1") = "8"
    & skf18("9","9","5","4","4","6","1") = "8"
    & skf18("9","9","5","4","4","7","1") = "8"
    & skf18("9","9","5","4","4","8","1") = "8"
    & skf18("9","9","5","4","4","9","1") = "8"
    & skf18("9","9","5","4","4","10","1") = "9"
    & skf18("9","9","5","4","5","1","1") = "8"
    & skf18("9","9","5","4","5","2","1") = "8"
    & skf18("9","9","5","4","5","3","1") = "8"
    & skf18("9","9","5","4","5","4","1") = "8"
    & skf18("9","9","5","4","5","5","1") = "8"
    & skf18("9","9","5","4","5","6","1") = "8"
    & skf18("9","9","5","4","5","7","1") = "8"
    & skf18("9","9","5","4","5","8","1") = "8"
    & skf18("9","9","5","4","5","9","1") = "8"
    & skf18("9","9","5","4","5","10","1") = "9"
    & skf18("9","9","5","4","6","1","1") = "8"
    & skf18("9","9","5","4","6","2","1") = "8"
    & skf18("9","9","5","4","6","3","1") = "8"
    & skf18("9","9","5","4","6","4","1") = "8"
    & skf18("9","9","5","4","6","5","1") = "8"
    & skf18("9","9","5","4","6","6","1") = "8"
    & skf18("9","9","5","4","6","7","1") = "8"
    & skf18("9","9","5","4","6","8","1") = "8"
    & skf18("9","9","5","4","6","9","1") = "8"
    & skf18("9","9","5","4","6","10","1") = "9"
    & skf18("9","9","5","4","7","1","1") = "8"
    & skf18("9","9","5","4","7","2","1") = "8"
    & skf18("9","9","5","4","7","3","1") = "8"
    & skf18("9","9","5","4","7","4","1") = "8"
    & skf18("9","9","5","4","7","5","1") = "8"
    & skf18("9","9","5","4","7","6","1") = "8"
    & skf18("9","9","5","4","7","7","1") = "8"
    & skf18("9","9","5","4","7","8","1") = "8"
    & skf18("9","9","5","4","7","9","1") = "8"
    & skf18("9","9","5","4","7","10","1") = "9"
    & skf18("9","9","5","4","8","1","1") = "8"
    & skf18("9","9","5","4","8","2","1") = "8"
    & skf18("9","9","5","4","8","3","1") = "8"
    & skf18("9","9","5","4","8","4","1") = "8"
    & skf18("9","9","5","4","8","5","1") = "8"
    & skf18("9","9","5","4","8","6","1") = "8"
    & skf18("9","9","5","4","8","7","1") = "8"
    & skf18("9","9","5","4","8","8","1") = "8"
    & skf18("9","9","5","4","8","9","1") = "8"
    & skf18("9","9","5","4","8","10","1") = "9"
    & skf18("9","9","5","4","9","1","1") = "8"
    & skf18("9","9","5","4","9","2","1") = "8"
    & skf18("9","9","5","4","9","3","1") = "8"
    & skf18("9","9","5","4","9","4","1") = "8"
    & skf18("9","9","5","4","9","5","1") = "8"
    & skf18("9","9","5","4","9","6","1") = "8"
    & skf18("9","9","5","4","9","7","1") = "8"
    & skf18("9","9","5","4","9","8","1") = "8"
    & skf18("9","9","5","4","9","9","1") = "8"
    & skf18("9","9","5","4","9","10","1") = "9"
    & skf18("9","9","5","4","10","1","1") = "9"
    & skf18("9","9","5","4","10","2","1") = "9"
    & skf18("9","9","5","4","10","3","1") = "9"
    & skf18("9","9","5","4","10","4","1") = "9"
    & skf18("9","9","5","4","10","5","1") = "9"
    & skf18("9","9","5","4","10","6","1") = "9"
    & skf18("9","9","5","4","10","7","1") = "9"
    & skf18("9","9","5","4","10","8","1") = "9"
    & skf18("9","9","5","4","10","9","1") = "9"
    & skf18("9","9","5","4","10","10","1") = "9"
    & skf18("9","9","5","5","1","1","1") = "8"
    & skf18("9","9","5","5","1","2","1") = "8"
    & skf18("9","9","5","5","1","3","1") = "8"
    & skf18("9","9","5","5","1","4","1") = "8"
    & skf18("9","9","5","5","1","5","1") = "8"
    & skf18("9","9","5","5","1","6","1") = "8"
    & skf18("9","9","5","5","1","7","1") = "8"
    & skf18("9","9","5","5","1","8","1") = "8"
    & skf18("9","9","5","5","1","9","1") = "8"
    & skf18("9","9","5","5","1","10","1") = "9"
    & skf18("9","9","5","5","2","1","1") = "8"
    & skf18("9","9","5","5","2","2","1") = "8"
    & skf18("9","9","5","5","2","3","1") = "8"
    & skf18("9","9","5","5","2","4","1") = "8"
    & skf18("9","9","5","5","2","5","1") = "8"
    & skf18("9","9","5","5","2","6","1") = "8"
    & skf18("9","9","5","5","2","7","1") = "8"
    & skf18("9","9","5","5","2","8","1") = "8"
    & skf18("9","9","5","5","2","9","1") = "8"
    & skf18("9","9","5","5","2","10","1") = "9"
    & skf18("9","9","5","5","3","1","1") = "8"
    & skf18("9","9","5","5","3","2","1") = "8"
    & skf18("9","9","5","5","3","3","1") = "8"
    & skf18("9","9","5","5","3","4","1") = "8"
    & skf18("9","9","5","5","3","5","1") = "8"
    & skf18("9","9","5","5","3","6","1") = "8"
    & skf18("9","9","5","5","3","7","1") = "8"
    & skf18("9","9","5","5","3","8","1") = "8"
    & skf18("9","9","5","5","3","9","1") = "8"
    & skf18("9","9","5","5","3","10","1") = "9"
    & skf18("9","9","5","5","4","1","1") = "8"
    & skf18("9","9","5","5","4","2","1") = "8"
    & skf18("9","9","5","5","4","3","1") = "8"
    & skf18("9","9","5","5","4","4","1") = "8"
    & skf18("9","9","5","5","4","5","1") = "8"
    & skf18("9","9","5","5","4","6","1") = "8"
    & skf18("9","9","5","5","4","7","1") = "8"
    & skf18("9","9","5","5","4","8","1") = "8"
    & skf18("9","9","5","5","4","9","1") = "8"
    & skf18("9","9","5","5","4","10","1") = "9"
    & skf18("9","9","5","5","5","1","1") = "8"
    & skf18("9","9","5","5","5","2","1") = "8"
    & skf18("9","9","5","5","5","3","1") = "8"
    & skf18("9","9","5","5","5","4","1") = "8"
    & skf18("9","9","5","5","5","5","1") = "8"
    & skf18("9","9","5","5","5","6","1") = "8"
    & skf18("9","9","5","5","5","7","1") = "8"
    & skf18("9","9","5","5","5","8","1") = "8"
    & skf18("9","9","5","5","5","9","1") = "8"
    & skf18("9","9","5","5","5","10","1") = "9"
    & skf18("9","9","5","5","6","1","1") = "8"
    & skf18("9","9","5","5","6","2","1") = "8"
    & skf18("9","9","5","5","6","3","1") = "8"
    & skf18("9","9","5","5","6","4","1") = "8"
    & skf18("9","9","5","5","6","5","1") = "8"
    & skf18("9","9","5","5","6","6","1") = "8"
    & skf18("9","9","5","5","6","7","1") = "8"
    & skf18("9","9","5","5","6","8","1") = "8"
    & skf18("9","9","5","5","6","9","1") = "8"
    & skf18("9","9","5","5","6","10","1") = "9"
    & skf18("9","9","5","5","7","1","1") = "8"
    & skf18("9","9","5","5","7","2","1") = "8"
    & skf18("9","9","5","5","7","3","1") = "8"
    & skf18("9","9","5","5","7","4","1") = "8"
    & skf18("9","9","5","5","7","5","1") = "8"
    & skf18("9","9","5","5","7","6","1") = "8"
    & skf18("9","9","5","5","7","7","1") = "8"
    & skf18("9","9","5","5","7","8","1") = "8"
    & skf18("9","9","5","5","7","9","1") = "8"
    & skf18("9","9","5","5","7","10","1") = "9"
    & skf18("9","9","5","5","8","1","1") = "8"
    & skf18("9","9","5","5","8","2","1") = "8"
    & skf18("9","9","5","5","8","3","1") = "8"
    & skf18("9","9","5","5","8","4","1") = "8"
    & skf18("9","9","5","5","8","5","1") = "8"
    & skf18("9","9","5","5","8","6","1") = "8"
    & skf18("9","9","5","5","8","7","1") = "8"
    & skf18("9","9","5","5","8","8","1") = "8"
    & skf18("9","9","5","5","8","9","1") = "8"
    & skf18("9","9","5","5","8","10","1") = "9"
    & skf18("9","9","5","5","9","1","1") = "8"
    & skf18("9","9","5","5","9","2","1") = "8"
    & skf18("9","9","5","5","9","3","1") = "8"
    & skf18("9","9","5","5","9","4","1") = "8"
    & skf18("9","9","5","5","9","5","1") = "8"
    & skf18("9","9","5","5","9","6","1") = "8"
    & skf18("9","9","5","5","9","7","1") = "8"
    & skf18("9","9","5","5","9","8","1") = "8"
    & skf18("9","9","5","5","9","9","1") = "8"
    & skf18("9","9","5","5","9","10","1") = "9"
    & skf18("9","9","5","5","10","1","1") = "9"
    & skf18("9","9","5","5","10","2","1") = "9"
    & skf18("9","9","5","5","10","3","1") = "9"
    & skf18("9","9","5","5","10","4","1") = "9"
    & skf18("9","9","5","5","10","5","1") = "9"
    & skf18("9","9","5","5","10","6","1") = "9"
    & skf18("9","9","5","5","10","7","1") = "9"
    & skf18("9","9","5","5","10","8","1") = "9"
    & skf18("9","9","5","5","10","9","1") = "9"
    & skf18("9","9","5","5","10","10","1") = "9"
    & skf18("9","9","5","6","1","1","1") = "8"
    & skf18("9","9","5","6","1","2","1") = "8"
    & skf18("9","9","5","6","1","3","1") = "8"
    & skf18("9","9","5","6","1","4","1") = "8"
    & skf18("9","9","5","6","1","5","1") = "8"
    & skf18("9","9","5","6","1","6","1") = "8"
    & skf18("9","9","5","6","1","7","1") = "8"
    & skf18("9","9","5","6","1","8","1") = "8"
    & skf18("9","9","5","6","1","9","1") = "8"
    & skf18("9","9","5","6","1","10","1") = "9"
    & skf18("9","9","5","6","2","1","1") = "8"
    & skf18("9","9","5","6","2","2","1") = "8"
    & skf18("9","9","5","6","2","3","1") = "8"
    & skf18("9","9","5","6","2","4","1") = "8"
    & skf18("9","9","5","6","2","5","1") = "8"
    & skf18("9","9","5","6","2","6","1") = "8"
    & skf18("9","9","5","6","2","7","1") = "8"
    & skf18("9","9","5","6","2","8","1") = "8"
    & skf18("9","9","5","6","2","9","1") = "8"
    & skf18("9","9","5","6","2","10","1") = "9"
    & skf18("9","9","5","6","3","1","1") = "8"
    & skf18("9","9","5","6","3","2","1") = "8"
    & skf18("9","9","5","6","3","3","1") = "8"
    & skf18("9","9","5","6","3","4","1") = "8"
    & skf18("9","9","5","6","3","5","1") = "8"
    & skf18("9","9","5","6","3","6","1") = "8"
    & skf18("9","9","5","6","3","7","1") = "8"
    & skf18("9","9","5","6","3","8","1") = "8"
    & skf18("9","9","5","6","3","9","1") = "8"
    & skf18("9","9","5","6","3","10","1") = "9"
    & skf18("9","9","5","6","4","1","1") = "8"
    & skf18("9","9","5","6","4","2","1") = "8"
    & skf18("9","9","5","6","4","3","1") = "8"
    & skf18("9","9","5","6","4","4","1") = "8"
    & skf18("9","9","5","6","4","5","1") = "8"
    & skf18("9","9","5","6","4","6","1") = "8"
    & skf18("9","9","5","6","4","7","1") = "8"
    & skf18("9","9","5","6","4","8","1") = "8"
    & skf18("9","9","5","6","4","9","1") = "8"
    & skf18("9","9","5","6","4","10","1") = "9"
    & skf18("9","9","5","6","5","1","1") = "8"
    & skf18("9","9","5","6","5","2","1") = "8"
    & skf18("9","9","5","6","5","3","1") = "8"
    & skf18("9","9","5","6","5","4","1") = "8"
    & skf18("9","9","5","6","5","5","1") = "8"
    & skf18("9","9","5","6","5","6","1") = "8"
    & skf18("9","9","5","6","5","7","1") = "8"
    & skf18("9","9","5","6","5","8","1") = "8"
    & skf18("9","9","5","6","5","9","1") = "8"
    & skf18("9","9","5","6","5","10","1") = "9"
    & skf18("9","9","5","6","6","1","1") = "8"
    & skf18("9","9","5","6","6","2","1") = "8"
    & skf18("9","9","5","6","6","3","1") = "8"
    & skf18("9","9","5","6","6","4","1") = "8"
    & skf18("9","9","5","6","6","5","1") = "8"
    & skf18("9","9","5","6","6","6","1") = "8"
    & skf18("9","9","5","6","6","7","1") = "8"
    & skf18("9","9","5","6","6","8","1") = "8"
    & skf18("9","9","5","6","6","9","1") = "8"
    & skf18("9","9","5","6","6","10","1") = "9"
    & skf18("9","9","5","6","7","1","1") = "8"
    & skf18("9","9","5","6","7","2","1") = "8"
    & skf18("9","9","5","6","7","3","1") = "8"
    & skf18("9","9","5","6","7","4","1") = "8"
    & skf18("9","9","5","6","7","5","1") = "8"
    & skf18("9","9","5","6","7","6","1") = "8"
    & skf18("9","9","5","6","7","7","1") = "8"
    & skf18("9","9","5","6","7","8","1") = "8"
    & skf18("9","9","5","6","7","9","1") = "8"
    & skf18("9","9","5","6","7","10","1") = "9"
    & skf18("9","9","5","6","8","1","1") = "8"
    & skf18("9","9","5","6","8","2","1") = "8"
    & skf18("9","9","5","6","8","3","1") = "8"
    & skf18("9","9","5","6","8","4","1") = "8"
    & skf18("9","9","5","6","8","5","1") = "8"
    & skf18("9","9","5","6","8","6","1") = "8"
    & skf18("9","9","5","6","8","7","1") = "8"
    & skf18("9","9","5","6","8","8","1") = "8"
    & skf18("9","9","5","6","8","9","1") = "8"
    & skf18("9","9","5","6","8","10","1") = "9"
    & skf18("9","9","5","6","9","1","1") = "8"
    & skf18("9","9","5","6","9","2","1") = "8"
    & skf18("9","9","5","6","9","3","1") = "8"
    & skf18("9","9","5","6","9","4","1") = "8"
    & skf18("9","9","5","6","9","5","1") = "8"
    & skf18("9","9","5","6","9","6","1") = "8"
    & skf18("9","9","5","6","9","7","1") = "8"
    & skf18("9","9","5","6","9","8","1") = "8"
    & skf18("9","9","5","6","9","9","1") = "8"
    & skf18("9","9","5","6","9","10","1") = "9"
    & skf18("9","9","5","6","10","1","1") = "9"
    & skf18("9","9","5","6","10","2","1") = "9"
    & skf18("9","9","5","6","10","3","1") = "9"
    & skf18("9","9","5","6","10","4","1") = "9"
    & skf18("9","9","5","6","10","5","1") = "9"
    & skf18("9","9","5","6","10","6","1") = "9"
    & skf18("9","9","5","6","10","7","1") = "9"
    & skf18("9","9","5","6","10","8","1") = "9"
    & skf18("9","9","5","6","10","9","1") = "9"
    & skf18("9","9","5","6","10","10","1") = "9"
    & skf18("9","9","5","7","1","1","1") = "8"
    & skf18("9","9","5","7","1","2","1") = "8"
    & skf18("9","9","5","7","1","3","1") = "8"
    & skf18("9","9","5","7","1","4","1") = "8"
    & skf18("9","9","5","7","1","5","1") = "8"
    & skf18("9","9","5","7","1","6","1") = "8"
    & skf18("9","9","5","7","1","7","1") = "8"
    & skf18("9","9","5","7","1","8","1") = "8"
    & skf18("9","9","5","7","1","9","1") = "8"
    & skf18("9","9","5","7","1","10","1") = "9"
    & skf18("9","9","5","7","2","1","1") = "8"
    & skf18("9","9","5","7","2","2","1") = "8"
    & skf18("9","9","5","7","2","3","1") = "8"
    & skf18("9","9","5","7","2","4","1") = "8"
    & skf18("9","9","5","7","2","5","1") = "8"
    & skf18("9","9","5","7","2","6","1") = "8"
    & skf18("9","9","5","7","2","7","1") = "8"
    & skf18("9","9","5","7","2","8","1") = "8"
    & skf18("9","9","5","7","2","9","1") = "8"
    & skf18("9","9","5","7","2","10","1") = "9"
    & skf18("9","9","5","7","3","1","1") = "8"
    & skf18("9","9","5","7","3","2","1") = "8"
    & skf18("9","9","5","7","3","3","1") = "8"
    & skf18("9","9","5","7","3","4","1") = "8"
    & skf18("9","9","5","7","3","5","1") = "8"
    & skf18("9","9","5","7","3","6","1") = "8"
    & skf18("9","9","5","7","3","7","1") = "8"
    & skf18("9","9","5","7","3","8","1") = "8"
    & skf18("9","9","5","7","3","9","1") = "8"
    & skf18("9","9","5","7","3","10","1") = "9"
    & skf18("9","9","5","7","4","1","1") = "8"
    & skf18("9","9","5","7","4","2","1") = "8"
    & skf18("9","9","5","7","4","3","1") = "8"
    & skf18("9","9","5","7","4","4","1") = "8"
    & skf18("9","9","5","7","4","5","1") = "8"
    & skf18("9","9","5","7","4","6","1") = "8"
    & skf18("9","9","5","7","4","7","1") = "8"
    & skf18("9","9","5","7","4","8","1") = "8"
    & skf18("9","9","5","7","4","9","1") = "8"
    & skf18("9","9","5","7","4","10","1") = "9"
    & skf18("9","9","5","7","5","1","1") = "8"
    & skf18("9","9","5","7","5","2","1") = "8"
    & skf18("9","9","5","7","5","3","1") = "8"
    & skf18("9","9","5","7","5","4","1") = "8"
    & skf18("9","9","5","7","5","5","1") = "8"
    & skf18("9","9","5","7","5","6","1") = "8"
    & skf18("9","9","5","7","5","7","1") = "8"
    & skf18("9","9","5","7","5","8","1") = "8"
    & skf18("9","9","5","7","5","9","1") = "8"
    & skf18("9","9","5","7","5","10","1") = "9"
    & skf18("9","9","5","7","6","1","1") = "8"
    & skf18("9","9","5","7","6","2","1") = "8"
    & skf18("9","9","5","7","6","3","1") = "8"
    & skf18("9","9","5","7","6","4","1") = "8"
    & skf18("9","9","5","7","6","5","1") = "8"
    & skf18("9","9","5","7","6","6","1") = "8"
    & skf18("9","9","5","7","6","7","1") = "8"
    & skf18("9","9","5","7","6","8","1") = "8"
    & skf18("9","9","5","7","6","9","1") = "8"
    & skf18("9","9","5","7","6","10","1") = "9"
    & skf18("9","9","5","7","7","1","1") = "8"
    & skf18("9","9","5","7","7","2","1") = "8"
    & skf18("9","9","5","7","7","3","1") = "8"
    & skf18("9","9","5","7","7","4","1") = "8"
    & skf18("9","9","5","7","7","5","1") = "8"
    & skf18("9","9","5","7","7","6","1") = "8"
    & skf18("9","9","5","7","7","7","1") = "8"
    & skf18("9","9","5","7","7","8","1") = "8"
    & skf18("9","9","5","7","7","9","1") = "8"
    & skf18("9","9","5","7","7","10","1") = "9"
    & skf18("9","9","5","7","8","1","1") = "8"
    & skf18("9","9","5","7","8","2","1") = "8"
    & skf18("9","9","5","7","8","3","1") = "8"
    & skf18("9","9","5","7","8","4","1") = "8"
    & skf18("9","9","5","7","8","5","1") = "8"
    & skf18("9","9","5","7","8","6","1") = "8"
    & skf18("9","9","5","7","8","7","1") = "8"
    & skf18("9","9","5","7","8","8","1") = "8"
    & skf18("9","9","5","7","8","9","1") = "8"
    & skf18("9","9","5","7","8","10","1") = "9"
    & skf18("9","9","5","7","9","1","1") = "8"
    & skf18("9","9","5","7","9","2","1") = "8"
    & skf18("9","9","5","7","9","3","1") = "8"
    & skf18("9","9","5","7","9","4","1") = "8"
    & skf18("9","9","5","7","9","5","1") = "8"
    & skf18("9","9","5","7","9","6","1") = "8"
    & skf18("9","9","5","7","9","7","1") = "8"
    & skf18("9","9","5","7","9","8","1") = "8"
    & skf18("9","9","5","7","9","9","1") = "8"
    & skf18("9","9","5","7","9","10","1") = "9"
    & skf18("9","9","5","7","10","1","1") = "9"
    & skf18("9","9","5","7","10","2","1") = "9"
    & skf18("9","9","5","7","10","3","1") = "9"
    & skf18("9","9","5","7","10","4","1") = "9"
    & skf18("9","9","5","7","10","5","1") = "9"
    & skf18("9","9","5","7","10","6","1") = "9"
    & skf18("9","9","5","7","10","7","1") = "9"
    & skf18("9","9","5","7","10","8","1") = "9"
    & skf18("9","9","5","7","10","9","1") = "9"
    & skf18("9","9","5","7","10","10","1") = "9"
    & skf18("9","9","5","8","1","1","1") = "8"
    & skf18("9","9","5","8","1","2","1") = "8"
    & skf18("9","9","5","8","1","3","1") = "8"
    & skf18("9","9","5","8","1","4","1") = "8"
    & skf18("9","9","5","8","1","5","1") = "8"
    & skf18("9","9","5","8","1","6","1") = "8"
    & skf18("9","9","5","8","1","7","1") = "8"
    & skf18("9","9","5","8","1","8","1") = "8"
    & skf18("9","9","5","8","1","9","1") = "8"
    & skf18("9","9","5","8","1","10","1") = "9"
    & skf18("9","9","5","8","2","1","1") = "8"
    & skf18("9","9","5","8","2","2","1") = "8"
    & skf18("9","9","5","8","2","3","1") = "8"
    & skf18("9","9","5","8","2","4","1") = "8"
    & skf18("9","9","5","8","2","5","1") = "8"
    & skf18("9","9","5","8","2","6","1") = "8"
    & skf18("9","9","5","8","2","7","1") = "8"
    & skf18("9","9","5","8","2","8","1") = "8"
    & skf18("9","9","5","8","2","9","1") = "8"
    & skf18("9","9","5","8","2","10","1") = "9"
    & skf18("9","9","5","8","3","1","1") = "8"
    & skf18("9","9","5","8","3","2","1") = "8"
    & skf18("9","9","5","8","3","3","1") = "8"
    & skf18("9","9","5","8","3","4","1") = "8"
    & skf18("9","9","5","8","3","5","1") = "8"
    & skf18("9","9","5","8","3","6","1") = "8"
    & skf18("9","9","5","8","3","7","1") = "8"
    & skf18("9","9","5","8","3","8","1") = "8"
    & skf18("9","9","5","8","3","9","1") = "8"
    & skf18("9","9","5","8","3","10","1") = "9"
    & skf18("9","9","5","8","4","1","1") = "8"
    & skf18("9","9","5","8","4","2","1") = "8"
    & skf18("9","9","5","8","4","3","1") = "8"
    & skf18("9","9","5","8","4","4","1") = "8"
    & skf18("9","9","5","8","4","5","1") = "8"
    & skf18("9","9","5","8","4","6","1") = "8"
    & skf18("9","9","5","8","4","7","1") = "8"
    & skf18("9","9","5","8","4","8","1") = "8"
    & skf18("9","9","5","8","4","9","1") = "8"
    & skf18("9","9","5","8","4","10","1") = "9"
    & skf18("9","9","5","8","5","1","1") = "8"
    & skf18("9","9","5","8","5","2","1") = "8"
    & skf18("9","9","5","8","5","3","1") = "8"
    & skf18("9","9","5","8","5","4","1") = "8"
    & skf18("9","9","5","8","5","5","1") = "8"
    & skf18("9","9","5","8","5","6","1") = "8"
    & skf18("9","9","5","8","5","7","1") = "8"
    & skf18("9","9","5","8","5","8","1") = "8"
    & skf18("9","9","5","8","5","9","1") = "8"
    & skf18("9","9","5","8","5","10","1") = "9"
    & skf18("9","9","5","8","6","1","1") = "8"
    & skf18("9","9","5","8","6","2","1") = "8"
    & skf18("9","9","5","8","6","3","1") = "8"
    & skf18("9","9","5","8","6","4","1") = "8"
    & skf18("9","9","5","8","6","5","1") = "8"
    & skf18("9","9","5","8","6","6","1") = "8"
    & skf18("9","9","5","8","6","7","1") = "8"
    & skf18("9","9","5","8","6","8","1") = "8"
    & skf18("9","9","5","8","6","9","1") = "8"
    & skf18("9","9","5","8","6","10","1") = "9"
    & skf18("9","9","5","8","7","1","1") = "8"
    & skf18("9","9","5","8","7","2","1") = "8"
    & skf18("9","9","5","8","7","3","1") = "8"
    & skf18("9","9","5","8","7","4","1") = "8"
    & skf18("9","9","5","8","7","5","1") = "8"
    & skf18("9","9","5","8","7","6","1") = "8"
    & skf18("9","9","5","8","7","7","1") = "8"
    & skf18("9","9","5","8","7","8","1") = "8"
    & skf18("9","9","5","8","7","9","1") = "8"
    & skf18("9","9","5","8","7","10","1") = "9"
    & skf18("9","9","5","8","8","1","1") = "8"
    & skf18("9","9","5","8","8","2","1") = "8"
    & skf18("9","9","5","8","8","3","1") = "8"
    & skf18("9","9","5","8","8","4","1") = "8"
    & skf18("9","9","5","8","8","5","1") = "8"
    & skf18("9","9","5","8","8","6","1") = "8"
    & skf18("9","9","5","8","8","7","1") = "8"
    & skf18("9","9","5","8","8","8","1") = "8"
    & skf18("9","9","5","8","8","9","1") = "8"
    & skf18("9","9","5","8","8","10","1") = "9"
    & skf18("9","9","5","8","9","1","1") = "8"
    & skf18("9","9","5","8","9","2","1") = "8"
    & skf18("9","9","5","8","9","3","1") = "8"
    & skf18("9","9","5","8","9","4","1") = "8"
    & skf18("9","9","5","8","9","5","1") = "8"
    & skf18("9","9","5","8","9","6","1") = "8"
    & skf18("9","9","5","8","9","7","1") = "8"
    & skf18("9","9","5","8","9","8","1") = "8"
    & skf18("9","9","5","8","9","9","1") = "8"
    & skf18("9","9","5","8","9","10","1") = "9"
    & skf18("9","9","5","8","10","1","1") = "9"
    & skf18("9","9","5","8","10","2","1") = "9"
    & skf18("9","9","5","8","10","3","1") = "9"
    & skf18("9","9","5","8","10","4","1") = "9"
    & skf18("9","9","5","8","10","5","1") = "9"
    & skf18("9","9","5","8","10","6","1") = "9"
    & skf18("9","9","5","8","10","7","1") = "9"
    & skf18("9","9","5","8","10","8","1") = "9"
    & skf18("9","9","5","8","10","9","1") = "9"
    & skf18("9","9","5","8","10","10","1") = "9"
    & skf18("9","9","5","9","1","1","1") = "8"
    & skf18("9","9","5","9","1","2","1") = "8"
    & skf18("9","9","5","9","1","3","1") = "8"
    & skf18("9","9","5","9","1","4","1") = "8"
    & skf18("9","9","5","9","1","5","1") = "8"
    & skf18("9","9","5","9","1","6","1") = "8"
    & skf18("9","9","5","9","1","7","1") = "8"
    & skf18("9","9","5","9","1","8","1") = "8"
    & skf18("9","9","5","9","1","9","1") = "8"
    & skf18("9","9","5","9","1","10","1") = "9"
    & skf18("9","9","5","9","2","1","1") = "8"
    & skf18("9","9","5","9","2","2","1") = "8"
    & skf18("9","9","5","9","2","3","1") = "8"
    & skf18("9","9","5","9","2","4","1") = "8"
    & skf18("9","9","5","9","2","5","1") = "8"
    & skf18("9","9","5","9","2","6","1") = "8"
    & skf18("9","9","5","9","2","7","1") = "8"
    & skf18("9","9","5","9","2","8","1") = "8"
    & skf18("9","9","5","9","2","9","1") = "8"
    & skf18("9","9","5","9","2","10","1") = "9"
    & skf18("9","9","5","9","3","1","1") = "8"
    & skf18("9","9","5","9","3","2","1") = "8"
    & skf18("9","9","5","9","3","3","1") = "8"
    & skf18("9","9","5","9","3","4","1") = "8"
    & skf18("9","9","5","9","3","5","1") = "8"
    & skf18("9","9","5","9","3","6","1") = "8"
    & skf18("9","9","5","9","3","7","1") = "8"
    & skf18("9","9","5","9","3","8","1") = "8"
    & skf18("9","9","5","9","3","9","1") = "8"
    & skf18("9","9","5","9","3","10","1") = "9"
    & skf18("9","9","5","9","4","1","1") = "8"
    & skf18("9","9","5","9","4","2","1") = "8"
    & skf18("9","9","5","9","4","3","1") = "8"
    & skf18("9","9","5","9","4","4","1") = "8"
    & skf18("9","9","5","9","4","5","1") = "8"
    & skf18("9","9","5","9","4","6","1") = "8"
    & skf18("9","9","5","9","4","7","1") = "8"
    & skf18("9","9","5","9","4","8","1") = "8"
    & skf18("9","9","5","9","4","9","1") = "8"
    & skf18("9","9","5","9","4","10","1") = "9"
    & skf18("9","9","5","9","5","1","1") = "8"
    & skf18("9","9","5","9","5","2","1") = "8"
    & skf18("9","9","5","9","5","3","1") = "8"
    & skf18("9","9","5","9","5","4","1") = "8"
    & skf18("9","9","5","9","5","5","1") = "8"
    & skf18("9","9","5","9","5","6","1") = "8"
    & skf18("9","9","5","9","5","7","1") = "8"
    & skf18("9","9","5","9","5","8","1") = "8"
    & skf18("9","9","5","9","5","9","1") = "8"
    & skf18("9","9","5","9","5","10","1") = "9"
    & skf18("9","9","5","9","6","1","1") = "8"
    & skf18("9","9","5","9","6","2","1") = "8"
    & skf18("9","9","5","9","6","3","1") = "8"
    & skf18("9","9","5","9","6","4","1") = "8"
    & skf18("9","9","5","9","6","5","1") = "8"
    & skf18("9","9","5","9","6","6","1") = "8"
    & skf18("9","9","5","9","6","7","1") = "8"
    & skf18("9","9","5","9","6","8","1") = "8"
    & skf18("9","9","5","9","6","9","1") = "8"
    & skf18("9","9","5","9","6","10","1") = "9"
    & skf18("9","9","5","9","7","1","1") = "8"
    & skf18("9","9","5","9","7","2","1") = "8"
    & skf18("9","9","5","9","7","3","1") = "8"
    & skf18("9","9","5","9","7","4","1") = "8"
    & skf18("9","9","5","9","7","5","1") = "8"
    & skf18("9","9","5","9","7","6","1") = "8"
    & skf18("9","9","5","9","7","7","1") = "8"
    & skf18("9","9","5","9","7","8","1") = "8"
    & skf18("9","9","5","9","7","9","1") = "8"
    & skf18("9","9","5","9","7","10","1") = "9"
    & skf18("9","9","5","9","8","1","1") = "8"
    & skf18("9","9","5","9","8","2","1") = "8"
    & skf18("9","9","5","9","8","3","1") = "8"
    & skf18("9","9","5","9","8","4","1") = "8"
    & skf18("9","9","5","9","8","5","1") = "8"
    & skf18("9","9","5","9","8","6","1") = "8"
    & skf18("9","9","5","9","8","7","1") = "8"
    & skf18("9","9","5","9","8","8","1") = "8"
    & skf18("9","9","5","9","8","9","1") = "8"
    & skf18("9","9","5","9","8","10","1") = "9"
    & skf18("9","9","5","9","9","1","1") = "8"
    & skf18("9","9","5","9","9","2","1") = "8"
    & skf18("9","9","5","9","9","3","1") = "8"
    & skf18("9","9","5","9","9","4","1") = "8"
    & skf18("9","9","5","9","9","5","1") = "8"
    & skf18("9","9","5","9","9","6","1") = "8"
    & skf18("9","9","5","9","9","7","1") = "8"
    & skf18("9","9","5","9","9","8","1") = "8"
    & skf18("9","9","5","9","9","9","1") = "8"
    & skf18("9","9","5","9","9","10","1") = "9"
    & skf18("9","9","5","9","10","1","1") = "9"
    & skf18("9","9","5","9","10","2","1") = "9"
    & skf18("9","9","5","9","10","3","1") = "9"
    & skf18("9","9","5","9","10","4","1") = "9"
    & skf18("9","9","5","9","10","5","1") = "9"
    & skf18("9","9","5","9","10","6","1") = "9"
    & skf18("9","9","5","9","10","7","1") = "9"
    & skf18("9","9","5","9","10","8","1") = "9"
    & skf18("9","9","5","9","10","9","1") = "9"
    & skf18("9","9","5","9","10","10","1") = "9"
    & skf18("9","9","5","10","1","1","1") = "9"
    & skf18("9","9","5","10","1","2","1") = "9"
    & skf18("9","9","5","10","1","3","1") = "9"
    & skf18("9","9","5","10","1","4","1") = "9"
    & skf18("9","9","5","10","1","5","1") = "9"
    & skf18("9","9","5","10","1","6","1") = "9"
    & skf18("9","9","5","10","1","7","1") = "9"
    & skf18("9","9","5","10","1","8","1") = "9"
    & skf18("9","9","5","10","1","9","1") = "9"
    & skf18("9","9","5","10","1","10","1") = "9"
    & skf18("9","9","5","10","2","1","1") = "9"
    & skf18("9","9","5","10","2","2","1") = "9"
    & skf18("9","9","5","10","2","3","1") = "9"
    & skf18("9","9","5","10","2","4","1") = "9"
    & skf18("9","9","5","10","2","5","1") = "9"
    & skf18("9","9","5","10","2","6","1") = "9"
    & skf18("9","9","5","10","2","7","1") = "9"
    & skf18("9","9","5","10","2","8","1") = "9"
    & skf18("9","9","5","10","2","9","1") = "9"
    & skf18("9","9","5","10","2","10","1") = "9"
    & skf18("9","9","5","10","3","1","1") = "9"
    & skf18("9","9","5","10","3","2","1") = "9"
    & skf18("9","9","5","10","3","3","1") = "9"
    & skf18("9","9","5","10","3","4","1") = "9"
    & skf18("9","9","5","10","3","5","1") = "9"
    & skf18("9","9","5","10","3","6","1") = "9"
    & skf18("9","9","5","10","3","7","1") = "9"
    & skf18("9","9","5","10","3","8","1") = "9"
    & skf18("9","9","5","10","3","9","1") = "9"
    & skf18("9","9","5","10","3","10","1") = "9"
    & skf18("9","9","5","10","4","1","1") = "9"
    & skf18("9","9","5","10","4","2","1") = "9"
    & skf18("9","9","5","10","4","3","1") = "9"
    & skf18("9","9","5","10","4","4","1") = "9"
    & skf18("9","9","5","10","4","5","1") = "9"
    & skf18("9","9","5","10","4","6","1") = "9"
    & skf18("9","9","5","10","4","7","1") = "9"
    & skf18("9","9","5","10","4","8","1") = "9"
    & skf18("9","9","5","10","4","9","1") = "9"
    & skf18("9","9","5","10","4","10","1") = "9"
    & skf18("9","9","5","10","5","1","1") = "9"
    & skf18("9","9","5","10","5","2","1") = "9"
    & skf18("9","9","5","10","5","3","1") = "9"
    & skf18("9","9","5","10","5","4","1") = "9"
    & skf18("9","9","5","10","5","5","1") = "9"
    & skf18("9","9","5","10","5","6","1") = "9"
    & skf18("9","9","5","10","5","7","1") = "9"
    & skf18("9","9","5","10","5","8","1") = "9"
    & skf18("9","9","5","10","5","9","1") = "9"
    & skf18("9","9","5","10","5","10","1") = "9"
    & skf18("9","9","5","10","6","1","1") = "9"
    & skf18("9","9","5","10","6","2","1") = "9"
    & skf18("9","9","5","10","6","3","1") = "9"
    & skf18("9","9","5","10","6","4","1") = "9"
    & skf18("9","9","5","10","6","5","1") = "9"
    & skf18("9","9","5","10","6","6","1") = "9"
    & skf18("9","9","5","10","6","7","1") = "9"
    & skf18("9","9","5","10","6","8","1") = "9"
    & skf18("9","9","5","10","6","9","1") = "9"
    & skf18("9","9","5","10","6","10","1") = "9"
    & skf18("9","9","5","10","7","1","1") = "9"
    & skf18("9","9","5","10","7","2","1") = "9"
    & skf18("9","9","5","10","7","3","1") = "9"
    & skf18("9","9","5","10","7","4","1") = "9"
    & skf18("9","9","5","10","7","5","1") = "9"
    & skf18("9","9","5","10","7","6","1") = "9"
    & skf18("9","9","5","10","7","7","1") = "9"
    & skf18("9","9","5","10","7","8","1") = "9"
    & skf18("9","9","5","10","7","9","1") = "9"
    & skf18("9","9","5","10","7","10","1") = "9"
    & skf18("9","9","5","10","8","1","1") = "9"
    & skf18("9","9","5","10","8","2","1") = "9"
    & skf18("9","9","5","10","8","3","1") = "9"
    & skf18("9","9","5","10","8","4","1") = "9"
    & skf18("9","9","5","10","8","5","1") = "9"
    & skf18("9","9","5","10","8","6","1") = "9"
    & skf18("9","9","5","10","8","7","1") = "9"
    & skf18("9","9","5","10","8","8","1") = "9"
    & skf18("9","9","5","10","8","9","1") = "9"
    & skf18("9","9","5","10","8","10","1") = "9"
    & skf18("9","9","5","10","9","1","1") = "9"
    & skf18("9","9","5","10","9","2","1") = "9"
    & skf18("9","9","5","10","9","3","1") = "9"
    & skf18("9","9","5","10","9","4","1") = "9"
    & skf18("9","9","5","10","9","5","1") = "9"
    & skf18("9","9","5","10","9","6","1") = "9"
    & skf18("9","9","5","10","9","7","1") = "9"
    & skf18("9","9","5","10","9","8","1") = "9"
    & skf18("9","9","5","10","9","9","1") = "9"
    & skf18("9","9","5","10","9","10","1") = "9"
    & skf18("9","9","5","10","10","1","1") = "9"
    & skf18("9","9","5","10","10","2","1") = "9"
    & skf18("9","9","5","10","10","3","1") = "9"
    & skf18("9","9","5","10","10","4","1") = "9"
    & skf18("9","9","5","10","10","5","1") = "9"
    & skf18("9","9","5","10","10","6","1") = "9"
    & skf18("9","9","5","10","10","7","1") = "9"
    & skf18("9","9","5","10","10","8","1") = "9"
    & skf18("9","9","5","10","10","9","1") = "9"
    & skf18("9","9","5","10","10","10","1") = "9"
    & skf18("9","9","6","1","1","1","1") = "8"
    & skf18("9","9","6","1","1","2","1") = "8"
    & skf18("9","9","6","1","1","3","1") = "8"
    & skf18("9","9","6","1","1","4","1") = "8"
    & skf18("9","9","6","1","1","5","1") = "8"
    & skf18("9","9","6","1","1","6","1") = "8"
    & skf18("9","9","6","1","1","7","1") = "8"
    & skf18("9","9","6","1","1","8","1") = "8"
    & skf18("9","9","6","1","1","9","1") = "8"
    & skf18("9","9","6","1","1","10","1") = "9"
    & skf18("9","9","6","1","2","1","1") = "8"
    & skf18("9","9","6","1","2","2","1") = "8"
    & skf18("9","9","6","1","2","3","1") = "8"
    & skf18("9","9","6","1","2","4","1") = "8"
    & skf18("9","9","6","1","2","5","1") = "8"
    & skf18("9","9","6","1","2","6","1") = "8"
    & skf18("9","9","6","1","2","7","1") = "8"
    & skf18("9","9","6","1","2","8","1") = "8"
    & skf18("9","9","6","1","2","9","1") = "8"
    & skf18("9","9","6","1","2","10","1") = "9"
    & skf18("9","9","6","1","3","1","1") = "8"
    & skf18("9","9","6","1","3","2","1") = "8"
    & skf18("9","9","6","1","3","3","1") = "8"
    & skf18("9","9","6","1","3","4","1") = "8"
    & skf18("9","9","6","1","3","5","1") = "8"
    & skf18("9","9","6","1","3","6","1") = "8"
    & skf18("9","9","6","1","3","7","1") = "8"
    & skf18("9","9","6","1","3","8","1") = "8"
    & skf18("9","9","6","1","3","9","1") = "8"
    & skf18("9","9","6","1","3","10","1") = "9"
    & skf18("9","9","6","1","4","1","1") = "8"
    & skf18("9","9","6","1","4","2","1") = "8"
    & skf18("9","9","6","1","4","3","1") = "8"
    & skf18("9","9","6","1","4","4","1") = "8"
    & skf18("9","9","6","1","4","5","1") = "8"
    & skf18("9","9","6","1","4","6","1") = "8"
    & skf18("9","9","6","1","4","7","1") = "8"
    & skf18("9","9","6","1","4","8","1") = "8"
    & skf18("9","9","6","1","4","9","1") = "8"
    & skf18("9","9","6","1","4","10","1") = "9"
    & skf18("9","9","6","1","5","1","1") = "8"
    & skf18("9","9","6","1","5","2","1") = "8"
    & skf18("9","9","6","1","5","3","1") = "8"
    & skf18("9","9","6","1","5","4","1") = "8"
    & skf18("9","9","6","1","5","5","1") = "8"
    & skf18("9","9","6","1","5","6","1") = "8"
    & skf18("9","9","6","1","5","7","1") = "8"
    & skf18("9","9","6","1","5","8","1") = "8"
    & skf18("9","9","6","1","5","9","1") = "8"
    & skf18("9","9","6","1","5","10","1") = "9"
    & skf18("9","9","6","1","6","1","1") = "8"
    & skf18("9","9","6","1","6","2","1") = "8"
    & skf18("9","9","6","1","6","3","1") = "8"
    & skf18("9","9","6","1","6","4","1") = "8"
    & skf18("9","9","6","1","6","5","1") = "8"
    & skf18("9","9","6","1","6","6","1") = "8"
    & skf18("9","9","6","1","6","7","1") = "8"
    & skf18("9","9","6","1","6","8","1") = "8"
    & skf18("9","9","6","1","6","9","1") = "8"
    & skf18("9","9","6","1","6","10","1") = "9"
    & skf18("9","9","6","1","7","1","1") = "8"
    & skf18("9","9","6","1","7","2","1") = "8"
    & skf18("9","9","6","1","7","3","1") = "8"
    & skf18("9","9","6","1","7","4","1") = "8"
    & skf18("9","9","6","1","7","5","1") = "8"
    & skf18("9","9","6","1","7","6","1") = "8"
    & skf18("9","9","6","1","7","7","1") = "8"
    & skf18("9","9","6","1","7","8","1") = "8"
    & skf18("9","9","6","1","7","9","1") = "8"
    & skf18("9","9","6","1","7","10","1") = "9"
    & skf18("9","9","6","1","8","1","1") = "8"
    & skf18("9","9","6","1","8","2","1") = "8"
    & skf18("9","9","6","1","8","3","1") = "8"
    & skf18("9","9","6","1","8","4","1") = "8"
    & skf18("9","9","6","1","8","5","1") = "8"
    & skf18("9","9","6","1","8","6","1") = "8"
    & skf18("9","9","6","1","8","7","1") = "8"
    & skf18("9","9","6","1","8","8","1") = "8"
    & skf18("9","9","6","1","8","9","1") = "8"
    & skf18("9","9","6","1","8","10","1") = "9"
    & skf18("9","9","6","1","9","1","1") = "8"
    & skf18("9","9","6","1","9","2","1") = "8"
    & skf18("9","9","6","1","9","3","1") = "8"
    & skf18("9","9","6","1","9","4","1") = "8"
    & skf18("9","9","6","1","9","5","1") = "8"
    & skf18("9","9","6","1","9","6","1") = "8"
    & skf18("9","9","6","1","9","7","1") = "8"
    & skf18("9","9","6","1","9","8","1") = "8"
    & skf18("9","9","6","1","9","9","1") = "8"
    & skf18("9","9","6","1","9","10","1") = "9"
    & skf18("9","9","6","1","10","1","1") = "9"
    & skf18("9","9","6","1","10","2","1") = "9"
    & skf18("9","9","6","1","10","3","1") = "9"
    & skf18("9","9","6","1","10","4","1") = "9"
    & skf18("9","9","6","1","10","5","1") = "9"
    & skf18("9","9","6","1","10","6","1") = "9"
    & skf18("9","9","6","1","10","7","1") = "9"
    & skf18("9","9","6","1","10","8","1") = "9"
    & skf18("9","9","6","1","10","9","1") = "9"
    & skf18("9","9","6","1","10","10","1") = "9"
    & skf18("9","9","6","2","1","1","1") = "8"
    & skf18("9","9","6","2","1","2","1") = "8"
    & skf18("9","9","6","2","1","3","1") = "8"
    & skf18("9","9","6","2","1","4","1") = "8"
    & skf18("9","9","6","2","1","5","1") = "8"
    & skf18("9","9","6","2","1","6","1") = "8"
    & skf18("9","9","6","2","1","7","1") = "8"
    & skf18("9","9","6","2","1","8","1") = "8"
    & skf18("9","9","6","2","1","9","1") = "8"
    & skf18("9","9","6","2","1","10","1") = "9"
    & skf18("9","9","6","2","2","1","1") = "8"
    & skf18("9","9","6","2","2","2","1") = "8"
    & skf18("9","9","6","2","2","3","1") = "8"
    & skf18("9","9","6","2","2","4","1") = "8"
    & skf18("9","9","6","2","2","5","1") = "8"
    & skf18("9","9","6","2","2","6","1") = "8"
    & skf18("9","9","6","2","2","7","1") = "8"
    & skf18("9","9","6","2","2","8","1") = "8"
    & skf18("9","9","6","2","2","9","1") = "8"
    & skf18("9","9","6","2","2","10","1") = "9"
    & skf18("9","9","6","2","3","1","1") = "8"
    & skf18("9","9","6","2","3","2","1") = "8"
    & skf18("9","9","6","2","3","3","1") = "8"
    & skf18("9","9","6","2","3","4","1") = "8"
    & skf18("9","9","6","2","3","5","1") = "8"
    & skf18("9","9","6","2","3","6","1") = "8"
    & skf18("9","9","6","2","3","7","1") = "8"
    & skf18("9","9","6","2","3","8","1") = "8"
    & skf18("9","9","6","2","3","9","1") = "8"
    & skf18("9","9","6","2","3","10","1") = "9"
    & skf18("9","9","6","2","4","1","1") = "8"
    & skf18("9","9","6","2","4","2","1") = "8"
    & skf18("9","9","6","2","4","3","1") = "8"
    & skf18("9","9","6","2","4","4","1") = "8"
    & skf18("9","9","6","2","4","5","1") = "8"
    & skf18("9","9","6","2","4","6","1") = "8"
    & skf18("9","9","6","2","4","7","1") = "8"
    & skf18("9","9","6","2","4","8","1") = "8"
    & skf18("9","9","6","2","4","9","1") = "8"
    & skf18("9","9","6","2","4","10","1") = "9"
    & skf18("9","9","6","2","5","1","1") = "8"
    & skf18("9","9","6","2","5","2","1") = "8"
    & skf18("9","9","6","2","5","3","1") = "8"
    & skf18("9","9","6","2","5","4","1") = "8"
    & skf18("9","9","6","2","5","5","1") = "8"
    & skf18("9","9","6","2","5","6","1") = "8"
    & skf18("9","9","6","2","5","7","1") = "8"
    & skf18("9","9","6","2","5","8","1") = "8"
    & skf18("9","9","6","2","5","9","1") = "8"
    & skf18("9","9","6","2","5","10","1") = "9"
    & skf18("9","9","6","2","6","1","1") = "8"
    & skf18("9","9","6","2","6","2","1") = "8"
    & skf18("9","9","6","2","6","3","1") = "8"
    & skf18("9","9","6","2","6","4","1") = "8"
    & skf18("9","9","6","2","6","5","1") = "8"
    & skf18("9","9","6","2","6","6","1") = "8"
    & skf18("9","9","6","2","6","7","1") = "8"
    & skf18("9","9","6","2","6","8","1") = "8"
    & skf18("9","9","6","2","6","9","1") = "8"
    & skf18("9","9","6","2","6","10","1") = "9"
    & skf18("9","9","6","2","7","1","1") = "8"
    & skf18("9","9","6","2","7","2","1") = "8"
    & skf18("9","9","6","2","7","3","1") = "8"
    & skf18("9","9","6","2","7","4","1") = "8"
    & skf18("9","9","6","2","7","5","1") = "8"
    & skf18("9","9","6","2","7","6","1") = "8"
    & skf18("9","9","6","2","7","7","1") = "8"
    & skf18("9","9","6","2","7","8","1") = "8"
    & skf18("9","9","6","2","7","9","1") = "8"
    & skf18("9","9","6","2","7","10","1") = "9"
    & skf18("9","9","6","2","8","1","1") = "8"
    & skf18("9","9","6","2","8","2","1") = "8"
    & skf18("9","9","6","2","8","3","1") = "8"
    & skf18("9","9","6","2","8","4","1") = "8"
    & skf18("9","9","6","2","8","5","1") = "8"
    & skf18("9","9","6","2","8","6","1") = "8"
    & skf18("9","9","6","2","8","7","1") = "8"
    & skf18("9","9","6","2","8","8","1") = "8"
    & skf18("9","9","6","2","8","9","1") = "8"
    & skf18("9","9","6","2","8","10","1") = "9"
    & skf18("9","9","6","2","9","1","1") = "8"
    & skf18("9","9","6","2","9","2","1") = "8"
    & skf18("9","9","6","2","9","3","1") = "8"
    & skf18("9","9","6","2","9","4","1") = "8"
    & skf18("9","9","6","2","9","5","1") = "8"
    & skf18("9","9","6","2","9","6","1") = "8"
    & skf18("9","9","6","2","9","7","1") = "8"
    & skf18("9","9","6","2","9","8","1") = "8"
    & skf18("9","9","6","2","9","9","1") = "8"
    & skf18("9","9","6","2","9","10","1") = "9"
    & skf18("9","9","6","2","10","1","1") = "9"
    & skf18("9","9","6","2","10","2","1") = "9"
    & skf18("9","9","6","2","10","3","1") = "9"
    & skf18("9","9","6","2","10","4","1") = "9"
    & skf18("9","9","6","2","10","5","1") = "9"
    & skf18("9","9","6","2","10","6","1") = "9"
    & skf18("9","9","6","2","10","7","1") = "9"
    & skf18("9","9","6","2","10","8","1") = "9"
    & skf18("9","9","6","2","10","9","1") = "9"
    & skf18("9","9","6","2","10","10","1") = "9"
    & skf18("9","9","6","3","1","1","1") = "8"
    & skf18("9","9","6","3","1","2","1") = "8"
    & skf18("9","9","6","3","1","3","1") = "8"
    & skf18("9","9","6","3","1","4","1") = "8"
    & skf18("9","9","6","3","1","5","1") = "8"
    & skf18("9","9","6","3","1","6","1") = "8"
    & skf18("9","9","6","3","1","7","1") = "8"
    & skf18("9","9","6","3","1","8","1") = "8"
    & skf18("9","9","6","3","1","9","1") = "8"
    & skf18("9","9","6","3","1","10","1") = "9"
    & skf18("9","9","6","3","2","1","1") = "8"
    & skf18("9","9","6","3","2","2","1") = "8"
    & skf18("9","9","6","3","2","3","1") = "8"
    & skf18("9","9","6","3","2","4","1") = "8"
    & skf18("9","9","6","3","2","5","1") = "8"
    & skf18("9","9","6","3","2","6","1") = "8"
    & skf18("9","9","6","3","2","7","1") = "8"
    & skf18("9","9","6","3","2","8","1") = "8"
    & skf18("9","9","6","3","2","9","1") = "8"
    & skf18("9","9","6","3","2","10","1") = "9"
    & skf18("9","9","6","3","3","1","1") = "8"
    & skf18("9","9","6","3","3","2","1") = "8"
    & skf18("9","9","6","3","3","3","1") = "8"
    & skf18("9","9","6","3","3","4","1") = "8"
    & skf18("9","9","6","3","3","5","1") = "8"
    & skf18("9","9","6","3","3","6","1") = "8"
    & skf18("9","9","6","3","3","7","1") = "8"
    & skf18("9","9","6","3","3","8","1") = "8"
    & skf18("9","9","6","3","3","9","1") = "8"
    & skf18("9","9","6","3","3","10","1") = "9"
    & skf18("9","9","6","3","4","1","1") = "8"
    & skf18("9","9","6","3","4","2","1") = "8"
    & skf18("9","9","6","3","4","3","1") = "8"
    & skf18("9","9","6","3","4","4","1") = "8"
    & skf18("9","9","6","3","4","5","1") = "8"
    & skf18("9","9","6","3","4","6","1") = "8"
    & skf18("9","9","6","3","4","7","1") = "8"
    & skf18("9","9","6","3","4","8","1") = "8"
    & skf18("9","9","6","3","4","9","1") = "8"
    & skf18("9","9","6","3","4","10","1") = "9"
    & skf18("9","9","6","3","5","1","1") = "8"
    & skf18("9","9","6","3","5","2","1") = "8"
    & skf18("9","9","6","3","5","3","1") = "8"
    & skf18("9","9","6","3","5","4","1") = "8"
    & skf18("9","9","6","3","5","5","1") = "8"
    & skf18("9","9","6","3","5","6","1") = "8"
    & skf18("9","9","6","3","5","7","1") = "8"
    & skf18("9","9","6","3","5","8","1") = "8"
    & skf18("9","9","6","3","5","9","1") = "8"
    & skf18("9","9","6","3","5","10","1") = "9"
    & skf18("9","9","6","3","6","1","1") = "8"
    & skf18("9","9","6","3","6","2","1") = "8"
    & skf18("9","9","6","3","6","3","1") = "8"
    & skf18("9","9","6","3","6","4","1") = "8"
    & skf18("9","9","6","3","6","5","1") = "8"
    & skf18("9","9","6","3","6","6","1") = "8"
    & skf18("9","9","6","3","6","7","1") = "8"
    & skf18("9","9","6","3","6","8","1") = "8"
    & skf18("9","9","6","3","6","9","1") = "8"
    & skf18("9","9","6","3","6","10","1") = "9"
    & skf18("9","9","6","3","7","1","1") = "8"
    & skf18("9","9","6","3","7","2","1") = "8"
    & skf18("9","9","6","3","7","3","1") = "8"
    & skf18("9","9","6","3","7","4","1") = "8"
    & skf18("9","9","6","3","7","5","1") = "8"
    & skf18("9","9","6","3","7","6","1") = "8"
    & skf18("9","9","6","3","7","7","1") = "8"
    & skf18("9","9","6","3","7","8","1") = "8"
    & skf18("9","9","6","3","7","9","1") = "8"
    & skf18("9","9","6","3","7","10","1") = "9"
    & skf18("9","9","6","3","8","1","1") = "8"
    & skf18("9","9","6","3","8","2","1") = "8"
    & skf18("9","9","6","3","8","3","1") = "8"
    & skf18("9","9","6","3","8","4","1") = "8"
    & skf18("9","9","6","3","8","5","1") = "8"
    & skf18("9","9","6","3","8","6","1") = "8"
    & skf18("9","9","6","3","8","7","1") = "8"
    & skf18("9","9","6","3","8","8","1") = "8"
    & skf18("9","9","6","3","8","9","1") = "8"
    & skf18("9","9","6","3","8","10","1") = "9"
    & skf18("9","9","6","3","9","1","1") = "8"
    & skf18("9","9","6","3","9","2","1") = "8"
    & skf18("9","9","6","3","9","3","1") = "8"
    & skf18("9","9","6","3","9","4","1") = "8"
    & skf18("9","9","6","3","9","5","1") = "8"
    & skf18("9","9","6","3","9","6","1") = "8"
    & skf18("9","9","6","3","9","7","1") = "8"
    & skf18("9","9","6","3","9","8","1") = "8"
    & skf18("9","9","6","3","9","9","1") = "8"
    & skf18("9","9","6","3","9","10","1") = "9"
    & skf18("9","9","6","3","10","1","1") = "9"
    & skf18("9","9","6","3","10","2","1") = "9"
    & skf18("9","9","6","3","10","3","1") = "9"
    & skf18("9","9","6","3","10","4","1") = "9"
    & skf18("9","9","6","3","10","5","1") = "9"
    & skf18("9","9","6","3","10","6","1") = "9"
    & skf18("9","9","6","3","10","7","1") = "9"
    & skf18("9","9","6","3","10","8","1") = "9"
    & skf18("9","9","6","3","10","9","1") = "9"
    & skf18("9","9","6","3","10","10","1") = "9"
    & skf18("9","9","6","4","1","1","1") = "8"
    & skf18("9","9","6","4","1","2","1") = "8"
    & skf18("9","9","6","4","1","3","1") = "8"
    & skf18("9","9","6","4","1","4","1") = "8"
    & skf18("9","9","6","4","1","5","1") = "8"
    & skf18("9","9","6","4","1","6","1") = "8"
    & skf18("9","9","6","4","1","7","1") = "8"
    & skf18("9","9","6","4","1","8","1") = "8"
    & skf18("9","9","6","4","1","9","1") = "8"
    & skf18("9","9","6","4","1","10","1") = "9"
    & skf18("9","9","6","4","2","1","1") = "8"
    & skf18("9","9","6","4","2","2","1") = "8"
    & skf18("9","9","6","4","2","3","1") = "8"
    & skf18("9","9","6","4","2","4","1") = "8"
    & skf18("9","9","6","4","2","5","1") = "8"
    & skf18("9","9","6","4","2","6","1") = "8"
    & skf18("9","9","6","4","2","7","1") = "8"
    & skf18("9","9","6","4","2","8","1") = "8"
    & skf18("9","9","6","4","2","9","1") = "8"
    & skf18("9","9","6","4","2","10","1") = "9"
    & skf18("9","9","6","4","3","1","1") = "8"
    & skf18("9","9","6","4","3","2","1") = "8"
    & skf18("9","9","6","4","3","3","1") = "8"
    & skf18("9","9","6","4","3","4","1") = "8"
    & skf18("9","9","6","4","3","5","1") = "8"
    & skf18("9","9","6","4","3","6","1") = "8"
    & skf18("9","9","6","4","3","7","1") = "8"
    & skf18("9","9","6","4","3","8","1") = "8"
    & skf18("9","9","6","4","3","9","1") = "8"
    & skf18("9","9","6","4","3","10","1") = "9"
    & skf18("9","9","6","4","4","1","1") = "8"
    & skf18("9","9","6","4","4","2","1") = "8"
    & skf18("9","9","6","4","4","3","1") = "8"
    & skf18("9","9","6","4","4","4","1") = "8"
    & skf18("9","9","6","4","4","5","1") = "8"
    & skf18("9","9","6","4","4","6","1") = "8"
    & skf18("9","9","6","4","4","7","1") = "8"
    & skf18("9","9","6","4","4","8","1") = "8"
    & skf18("9","9","6","4","4","9","1") = "8"
    & skf18("9","9","6","4","4","10","1") = "9"
    & skf18("9","9","6","4","5","1","1") = "8"
    & skf18("9","9","6","4","5","2","1") = "8"
    & skf18("9","9","6","4","5","3","1") = "8"
    & skf18("9","9","6","4","5","4","1") = "8"
    & skf18("9","9","6","4","5","5","1") = "8"
    & skf18("9","9","6","4","5","6","1") = "8"
    & skf18("9","9","6","4","5","7","1") = "8"
    & skf18("9","9","6","4","5","8","1") = "8"
    & skf18("9","9","6","4","5","9","1") = "8"
    & skf18("9","9","6","4","5","10","1") = "9"
    & skf18("9","9","6","4","6","1","1") = "8"
    & skf18("9","9","6","4","6","2","1") = "8"
    & skf18("9","9","6","4","6","3","1") = "8"
    & skf18("9","9","6","4","6","4","1") = "8"
    & skf18("9","9","6","4","6","5","1") = "8"
    & skf18("9","9","6","4","6","6","1") = "8"
    & skf18("9","9","6","4","6","7","1") = "8"
    & skf18("9","9","6","4","6","8","1") = "8"
    & skf18("9","9","6","4","6","9","1") = "8"
    & skf18("9","9","6","4","6","10","1") = "9"
    & skf18("9","9","6","4","7","1","1") = "8"
    & skf18("9","9","6","4","7","2","1") = "8"
    & skf18("9","9","6","4","7","3","1") = "8"
    & skf18("9","9","6","4","7","4","1") = "8"
    & skf18("9","9","6","4","7","5","1") = "8"
    & skf18("9","9","6","4","7","6","1") = "8"
    & skf18("9","9","6","4","7","7","1") = "8"
    & skf18("9","9","6","4","7","8","1") = "8"
    & skf18("9","9","6","4","7","9","1") = "8"
    & skf18("9","9","6","4","7","10","1") = "9"
    & skf18("9","9","6","4","8","1","1") = "8"
    & skf18("9","9","6","4","8","2","1") = "8"
    & skf18("9","9","6","4","8","3","1") = "8"
    & skf18("9","9","6","4","8","4","1") = "8"
    & skf18("9","9","6","4","8","5","1") = "8"
    & skf18("9","9","6","4","8","6","1") = "8"
    & skf18("9","9","6","4","8","7","1") = "8"
    & skf18("9","9","6","4","8","8","1") = "8"
    & skf18("9","9","6","4","8","9","1") = "8"
    & skf18("9","9","6","4","8","10","1") = "9"
    & skf18("9","9","6","4","9","1","1") = "8"
    & skf18("9","9","6","4","9","2","1") = "8"
    & skf18("9","9","6","4","9","3","1") = "8"
    & skf18("9","9","6","4","9","4","1") = "8"
    & skf18("9","9","6","4","9","5","1") = "8"
    & skf18("9","9","6","4","9","6","1") = "8"
    & skf18("9","9","6","4","9","7","1") = "8"
    & skf18("9","9","6","4","9","8","1") = "8"
    & skf18("9","9","6","4","9","9","1") = "8"
    & skf18("9","9","6","4","9","10","1") = "9"
    & skf18("9","9","6","4","10","1","1") = "9"
    & skf18("9","9","6","4","10","2","1") = "9"
    & skf18("9","9","6","4","10","3","1") = "9"
    & skf18("9","9","6","4","10","4","1") = "9"
    & skf18("9","9","6","4","10","5","1") = "9"
    & skf18("9","9","6","4","10","6","1") = "9"
    & skf18("9","9","6","4","10","7","1") = "9"
    & skf18("9","9","6","4","10","8","1") = "9"
    & skf18("9","9","6","4","10","9","1") = "9"
    & skf18("9","9","6","4","10","10","1") = "9"
    & skf18("9","9","6","5","1","1","1") = "8"
    & skf18("9","9","6","5","1","2","1") = "8"
    & skf18("9","9","6","5","1","3","1") = "8"
    & skf18("9","9","6","5","1","4","1") = "8"
    & skf18("9","9","6","5","1","5","1") = "8"
    & skf18("9","9","6","5","1","6","1") = "8"
    & skf18("9","9","6","5","1","7","1") = "8"
    & skf18("9","9","6","5","1","8","1") = "8"
    & skf18("9","9","6","5","1","9","1") = "8"
    & skf18("9","9","6","5","1","10","1") = "9"
    & skf18("9","9","6","5","2","1","1") = "8"
    & skf18("9","9","6","5","2","2","1") = "8"
    & skf18("9","9","6","5","2","3","1") = "8"
    & skf18("9","9","6","5","2","4","1") = "8"
    & skf18("9","9","6","5","2","5","1") = "8"
    & skf18("9","9","6","5","2","6","1") = "8"
    & skf18("9","9","6","5","2","7","1") = "8"
    & skf18("9","9","6","5","2","8","1") = "8"
    & skf18("9","9","6","5","2","9","1") = "8"
    & skf18("9","9","6","5","2","10","1") = "9"
    & skf18("9","9","6","5","3","1","1") = "8"
    & skf18("9","9","6","5","3","2","1") = "8"
    & skf18("9","9","6","5","3","3","1") = "8"
    & skf18("9","9","6","5","3","4","1") = "8"
    & skf18("9","9","6","5","3","5","1") = "8"
    & skf18("9","9","6","5","3","6","1") = "8"
    & skf18("9","9","6","5","3","7","1") = "8"
    & skf18("9","9","6","5","3","8","1") = "8"
    & skf18("9","9","6","5","3","9","1") = "8"
    & skf18("9","9","6","5","3","10","1") = "9"
    & skf18("9","9","6","5","4","1","1") = "8"
    & skf18("9","9","6","5","4","2","1") = "8"
    & skf18("9","9","6","5","4","3","1") = "8"
    & skf18("9","9","6","5","4","4","1") = "8"
    & skf18("9","9","6","5","4","5","1") = "8"
    & skf18("9","9","6","5","4","6","1") = "8"
    & skf18("9","9","6","5","4","7","1") = "8"
    & skf18("9","9","6","5","4","8","1") = "8"
    & skf18("9","9","6","5","4","9","1") = "8"
    & skf18("9","9","6","5","4","10","1") = "9"
    & skf18("9","9","6","5","5","1","1") = "8"
    & skf18("9","9","6","5","5","2","1") = "8"
    & skf18("9","9","6","5","5","3","1") = "8"
    & skf18("9","9","6","5","5","4","1") = "8"
    & skf18("9","9","6","5","5","5","1") = "8"
    & skf18("9","9","6","5","5","6","1") = "8"
    & skf18("9","9","6","5","5","7","1") = "8"
    & skf18("9","9","6","5","5","8","1") = "8"
    & skf18("9","9","6","5","5","9","1") = "8"
    & skf18("9","9","6","5","5","10","1") = "9"
    & skf18("9","9","6","5","6","1","1") = "8"
    & skf18("9","9","6","5","6","2","1") = "8"
    & skf18("9","9","6","5","6","3","1") = "8"
    & skf18("9","9","6","5","6","4","1") = "8"
    & skf18("9","9","6","5","6","5","1") = "8"
    & skf18("9","9","6","5","6","6","1") = "8"
    & skf18("9","9","6","5","6","7","1") = "8"
    & skf18("9","9","6","5","6","8","1") = "8"
    & skf18("9","9","6","5","6","9","1") = "8"
    & skf18("9","9","6","5","6","10","1") = "9"
    & skf18("9","9","6","5","7","1","1") = "8"
    & skf18("9","9","6","5","7","2","1") = "8"
    & skf18("9","9","6","5","7","3","1") = "8"
    & skf18("9","9","6","5","7","4","1") = "8"
    & skf18("9","9","6","5","7","5","1") = "8"
    & skf18("9","9","6","5","7","6","1") = "8"
    & skf18("9","9","6","5","7","7","1") = "8"
    & skf18("9","9","6","5","7","8","1") = "8"
    & skf18("9","9","6","5","7","9","1") = "8"
    & skf18("9","9","6","5","7","10","1") = "9"
    & skf18("9","9","6","5","8","1","1") = "8"
    & skf18("9","9","6","5","8","2","1") = "8"
    & skf18("9","9","6","5","8","3","1") = "8"
    & skf18("9","9","6","5","8","4","1") = "8"
    & skf18("9","9","6","5","8","5","1") = "8"
    & skf18("9","9","6","5","8","6","1") = "8"
    & skf18("9","9","6","5","8","7","1") = "8"
    & skf18("9","9","6","5","8","8","1") = "8"
    & skf18("9","9","6","5","8","9","1") = "8"
    & skf18("9","9","6","5","8","10","1") = "9"
    & skf18("9","9","6","5","9","1","1") = "8"
    & skf18("9","9","6","5","9","2","1") = "8"
    & skf18("9","9","6","5","9","3","1") = "8"
    & skf18("9","9","6","5","9","4","1") = "8"
    & skf18("9","9","6","5","9","5","1") = "8"
    & skf18("9","9","6","5","9","6","1") = "8"
    & skf18("9","9","6","5","9","7","1") = "8"
    & skf18("9","9","6","5","9","8","1") = "8"
    & skf18("9","9","6","5","9","9","1") = "8"
    & skf18("9","9","6","5","9","10","1") = "9"
    & skf18("9","9","6","5","10","1","1") = "9"
    & skf18("9","9","6","5","10","2","1") = "9"
    & skf18("9","9","6","5","10","3","1") = "9"
    & skf18("9","9","6","5","10","4","1") = "9"
    & skf18("9","9","6","5","10","5","1") = "9"
    & skf18("9","9","6","5","10","6","1") = "9"
    & skf18("9","9","6","5","10","7","1") = "9"
    & skf18("9","9","6","5","10","8","1") = "9"
    & skf18("9","9","6","5","10","9","1") = "9"
    & skf18("9","9","6","5","10","10","1") = "9"
    & skf18("9","9","6","6","1","1","1") = "8"
    & skf18("9","9","6","6","1","2","1") = "8"
    & skf18("9","9","6","6","1","3","1") = "8"
    & skf18("9","9","6","6","1","4","1") = "8"
    & skf18("9","9","6","6","1","5","1") = "8"
    & skf18("9","9","6","6","1","6","1") = "8"
    & skf18("9","9","6","6","1","7","1") = "8"
    & skf18("9","9","6","6","1","8","1") = "8"
    & skf18("9","9","6","6","1","9","1") = "8"
    & skf18("9","9","6","6","1","10","1") = "9"
    & skf18("9","9","6","6","2","1","1") = "8"
    & skf18("9","9","6","6","2","2","1") = "8"
    & skf18("9","9","6","6","2","3","1") = "8"
    & skf18("9","9","6","6","2","4","1") = "8"
    & skf18("9","9","6","6","2","5","1") = "8"
    & skf18("9","9","6","6","2","6","1") = "8"
    & skf18("9","9","6","6","2","7","1") = "8"
    & skf18("9","9","6","6","2","8","1") = "8"
    & skf18("9","9","6","6","2","9","1") = "8"
    & skf18("9","9","6","6","2","10","1") = "9"
    & skf18("9","9","6","6","3","1","1") = "8"
    & skf18("9","9","6","6","3","2","1") = "8"
    & skf18("9","9","6","6","3","3","1") = "8"
    & skf18("9","9","6","6","3","4","1") = "8"
    & skf18("9","9","6","6","3","5","1") = "8"
    & skf18("9","9","6","6","3","6","1") = "8"
    & skf18("9","9","6","6","3","7","1") = "8"
    & skf18("9","9","6","6","3","8","1") = "8"
    & skf18("9","9","6","6","3","9","1") = "8"
    & skf18("9","9","6","6","3","10","1") = "9"
    & skf18("9","9","6","6","4","1","1") = "8"
    & skf18("9","9","6","6","4","2","1") = "8"
    & skf18("9","9","6","6","4","3","1") = "8"
    & skf18("9","9","6","6","4","4","1") = "8"
    & skf18("9","9","6","6","4","5","1") = "8"
    & skf18("9","9","6","6","4","6","1") = "8"
    & skf18("9","9","6","6","4","7","1") = "8"
    & skf18("9","9","6","6","4","8","1") = "8"
    & skf18("9","9","6","6","4","9","1") = "8"
    & skf18("9","9","6","6","4","10","1") = "9"
    & skf18("9","9","6","6","5","1","1") = "8"
    & skf18("9","9","6","6","5","2","1") = "8"
    & skf18("9","9","6","6","5","3","1") = "8"
    & skf18("9","9","6","6","5","4","1") = "8"
    & skf18("9","9","6","6","5","5","1") = "8"
    & skf18("9","9","6","6","5","6","1") = "8"
    & skf18("9","9","6","6","5","7","1") = "8"
    & skf18("9","9","6","6","5","8","1") = "8"
    & skf18("9","9","6","6","5","9","1") = "8"
    & skf18("9","9","6","6","5","10","1") = "9"
    & skf18("9","9","6","6","6","1","1") = "8"
    & skf18("9","9","6","6","6","2","1") = "8"
    & skf18("9","9","6","6","6","3","1") = "8"
    & skf18("9","9","6","6","6","4","1") = "8"
    & skf18("9","9","6","6","6","5","1") = "8"
    & skf18("9","9","6","6","6","6","1") = "8"
    & skf18("9","9","6","6","6","7","1") = "8"
    & skf18("9","9","6","6","6","8","1") = "8"
    & skf18("9","9","6","6","6","9","1") = "8"
    & skf18("9","9","6","6","6","10","1") = "9"
    & skf18("9","9","6","6","7","1","1") = "8"
    & skf18("9","9","6","6","7","2","1") = "8"
    & skf18("9","9","6","6","7","3","1") = "8"
    & skf18("9","9","6","6","7","4","1") = "8"
    & skf18("9","9","6","6","7","5","1") = "8"
    & skf18("9","9","6","6","7","6","1") = "8"
    & skf18("9","9","6","6","7","7","1") = "8"
    & skf18("9","9","6","6","7","8","1") = "8"
    & skf18("9","9","6","6","7","9","1") = "8"
    & skf18("9","9","6","6","7","10","1") = "9"
    & skf18("9","9","6","6","8","1","1") = "8"
    & skf18("9","9","6","6","8","2","1") = "8"
    & skf18("9","9","6","6","8","3","1") = "8"
    & skf18("9","9","6","6","8","4","1") = "8"
    & skf18("9","9","6","6","8","5","1") = "8"
    & skf18("9","9","6","6","8","6","1") = "8"
    & skf18("9","9","6","6","8","7","1") = "8"
    & skf18("9","9","6","6","8","8","1") = "8"
    & skf18("9","9","6","6","8","9","1") = "8"
    & skf18("9","9","6","6","8","10","1") = "9"
    & skf18("9","9","6","6","9","1","1") = "8"
    & skf18("9","9","6","6","9","2","1") = "8"
    & skf18("9","9","6","6","9","3","1") = "8"
    & skf18("9","9","6","6","9","4","1") = "8"
    & skf18("9","9","6","6","9","5","1") = "8"
    & skf18("9","9","6","6","9","6","1") = "8"
    & skf18("9","9","6","6","9","7","1") = "8"
    & skf18("9","9","6","6","9","8","1") = "8"
    & skf18("9","9","6","6","9","9","1") = "8"
    & skf18("9","9","6","6","9","10","1") = "9"
    & skf18("9","9","6","6","10","1","1") = "9"
    & skf18("9","9","6","6","10","2","1") = "9"
    & skf18("9","9","6","6","10","3","1") = "9"
    & skf18("9","9","6","6","10","4","1") = "9"
    & skf18("9","9","6","6","10","5","1") = "9"
    & skf18("9","9","6","6","10","6","1") = "9"
    & skf18("9","9","6","6","10","7","1") = "9"
    & skf18("9","9","6","6","10","8","1") = "9"
    & skf18("9","9","6","6","10","9","1") = "9"
    & skf18("9","9","6","6","10","10","1") = "9"
    & skf18("9","9","6","7","1","1","1") = "8"
    & skf18("9","9","6","7","1","2","1") = "8"
    & skf18("9","9","6","7","1","3","1") = "8"
    & skf18("9","9","6","7","1","4","1") = "8"
    & skf18("9","9","6","7","1","5","1") = "8"
    & skf18("9","9","6","7","1","6","1") = "8"
    & skf18("9","9","6","7","1","7","1") = "8"
    & skf18("9","9","6","7","1","8","1") = "8"
    & skf18("9","9","6","7","1","9","1") = "8"
    & skf18("9","9","6","7","1","10","1") = "9"
    & skf18("9","9","6","7","2","1","1") = "8"
    & skf18("9","9","6","7","2","2","1") = "8"
    & skf18("9","9","6","7","2","3","1") = "8"
    & skf18("9","9","6","7","2","4","1") = "8"
    & skf18("9","9","6","7","2","5","1") = "8"
    & skf18("9","9","6","7","2","6","1") = "8"
    & skf18("9","9","6","7","2","7","1") = "8"
    & skf18("9","9","6","7","2","8","1") = "8"
    & skf18("9","9","6","7","2","9","1") = "8"
    & skf18("9","9","6","7","2","10","1") = "9"
    & skf18("9","9","6","7","3","1","1") = "8"
    & skf18("9","9","6","7","3","2","1") = "8"
    & skf18("9","9","6","7","3","3","1") = "8"
    & skf18("9","9","6","7","3","4","1") = "8"
    & skf18("9","9","6","7","3","5","1") = "8"
    & skf18("9","9","6","7","3","6","1") = "8"
    & skf18("9","9","6","7","3","7","1") = "8"
    & skf18("9","9","6","7","3","8","1") = "8"
    & skf18("9","9","6","7","3","9","1") = "8"
    & skf18("9","9","6","7","3","10","1") = "9"
    & skf18("9","9","6","7","4","1","1") = "8"
    & skf18("9","9","6","7","4","2","1") = "8"
    & skf18("9","9","6","7","4","3","1") = "8"
    & skf18("9","9","6","7","4","4","1") = "8"
    & skf18("9","9","6","7","4","5","1") = "8"
    & skf18("9","9","6","7","4","6","1") = "8"
    & skf18("9","9","6","7","4","7","1") = "8"
    & skf18("9","9","6","7","4","8","1") = "8"
    & skf18("9","9","6","7","4","9","1") = "8"
    & skf18("9","9","6","7","4","10","1") = "9"
    & skf18("9","9","6","7","5","1","1") = "8"
    & skf18("9","9","6","7","5","2","1") = "8"
    & skf18("9","9","6","7","5","3","1") = "8"
    & skf18("9","9","6","7","5","4","1") = "8"
    & skf18("9","9","6","7","5","5","1") = "8"
    & skf18("9","9","6","7","5","6","1") = "8"
    & skf18("9","9","6","7","5","7","1") = "8"
    & skf18("9","9","6","7","5","8","1") = "8"
    & skf18("9","9","6","7","5","9","1") = "8"
    & skf18("9","9","6","7","5","10","1") = "9"
    & skf18("9","9","6","7","6","1","1") = "8"
    & skf18("9","9","6","7","6","2","1") = "8"
    & skf18("9","9","6","7","6","3","1") = "8"
    & skf18("9","9","6","7","6","4","1") = "8"
    & skf18("9","9","6","7","6","5","1") = "8"
    & skf18("9","9","6","7","6","6","1") = "8"
    & skf18("9","9","6","7","6","7","1") = "8"
    & skf18("9","9","6","7","6","8","1") = "8"
    & skf18("9","9","6","7","6","9","1") = "8"
    & skf18("9","9","6","7","6","10","1") = "9"
    & skf18("9","9","6","7","7","1","1") = "8"
    & skf18("9","9","6","7","7","2","1") = "8"
    & skf18("9","9","6","7","7","3","1") = "8"
    & skf18("9","9","6","7","7","4","1") = "8"
    & skf18("9","9","6","7","7","5","1") = "8"
    & skf18("9","9","6","7","7","6","1") = "8"
    & skf18("9","9","6","7","7","7","1") = "8"
    & skf18("9","9","6","7","7","8","1") = "8"
    & skf18("9","9","6","7","7","9","1") = "8"
    & skf18("9","9","6","7","7","10","1") = "9"
    & skf18("9","9","6","7","8","1","1") = "8"
    & skf18("9","9","6","7","8","2","1") = "8"
    & skf18("9","9","6","7","8","3","1") = "8"
    & skf18("9","9","6","7","8","4","1") = "8"
    & skf18("9","9","6","7","8","5","1") = "8"
    & skf18("9","9","6","7","8","6","1") = "8"
    & skf18("9","9","6","7","8","7","1") = "8"
    & skf18("9","9","6","7","8","8","1") = "8"
    & skf18("9","9","6","7","8","9","1") = "8"
    & skf18("9","9","6","7","8","10","1") = "9"
    & skf18("9","9","6","7","9","1","1") = "8"
    & skf18("9","9","6","7","9","2","1") = "8"
    & skf18("9","9","6","7","9","3","1") = "8"
    & skf18("9","9","6","7","9","4","1") = "8"
    & skf18("9","9","6","7","9","5","1") = "8"
    & skf18("9","9","6","7","9","6","1") = "8"
    & skf18("9","9","6","7","9","7","1") = "8"
    & skf18("9","9","6","7","9","8","1") = "8"
    & skf18("9","9","6","7","9","9","1") = "8"
    & skf18("9","9","6","7","9","10","1") = "9"
    & skf18("9","9","6","7","10","1","1") = "9"
    & skf18("9","9","6","7","10","2","1") = "9"
    & skf18("9","9","6","7","10","3","1") = "9"
    & skf18("9","9","6","7","10","4","1") = "9"
    & skf18("9","9","6","7","10","5","1") = "9"
    & skf18("9","9","6","7","10","6","1") = "9"
    & skf18("9","9","6","7","10","7","1") = "9"
    & skf18("9","9","6","7","10","8","1") = "9"
    & skf18("9","9","6","7","10","9","1") = "9"
    & skf18("9","9","6","7","10","10","1") = "9"
    & skf18("9","9","6","8","1","1","1") = "8"
    & skf18("9","9","6","8","1","2","1") = "8"
    & skf18("9","9","6","8","1","3","1") = "8"
    & skf18("9","9","6","8","1","4","1") = "8"
    & skf18("9","9","6","8","1","5","1") = "8"
    & skf18("9","9","6","8","1","6","1") = "8"
    & skf18("9","9","6","8","1","7","1") = "8"
    & skf18("9","9","6","8","1","8","1") = "8"
    & skf18("9","9","6","8","1","9","1") = "8"
    & skf18("9","9","6","8","1","10","1") = "9"
    & skf18("9","9","6","8","2","1","1") = "8"
    & skf18("9","9","6","8","2","2","1") = "8"
    & skf18("9","9","6","8","2","3","1") = "8"
    & skf18("9","9","6","8","2","4","1") = "8"
    & skf18("9","9","6","8","2","5","1") = "8"
    & skf18("9","9","6","8","2","6","1") = "8"
    & skf18("9","9","6","8","2","7","1") = "8"
    & skf18("9","9","6","8","2","8","1") = "8"
    & skf18("9","9","6","8","2","9","1") = "8"
    & skf18("9","9","6","8","2","10","1") = "9"
    & skf18("9","9","6","8","3","1","1") = "8"
    & skf18("9","9","6","8","3","2","1") = "8"
    & skf18("9","9","6","8","3","3","1") = "8"
    & skf18("9","9","6","8","3","4","1") = "8"
    & skf18("9","9","6","8","3","5","1") = "8"
    & skf18("9","9","6","8","3","6","1") = "8"
    & skf18("9","9","6","8","3","7","1") = "8"
    & skf18("9","9","6","8","3","8","1") = "8"
    & skf18("9","9","6","8","3","9","1") = "8"
    & skf18("9","9","6","8","3","10","1") = "9"
    & skf18("9","9","6","8","4","1","1") = "8"
    & skf18("9","9","6","8","4","2","1") = "8"
    & skf18("9","9","6","8","4","3","1") = "8"
    & skf18("9","9","6","8","4","4","1") = "8"
    & skf18("9","9","6","8","4","5","1") = "8"
    & skf18("9","9","6","8","4","6","1") = "8"
    & skf18("9","9","6","8","4","7","1") = "8"
    & skf18("9","9","6","8","4","8","1") = "8"
    & skf18("9","9","6","8","4","9","1") = "8"
    & skf18("9","9","6","8","4","10","1") = "9"
    & skf18("9","9","6","8","5","1","1") = "8"
    & skf18("9","9","6","8","5","2","1") = "8"
    & skf18("9","9","6","8","5","3","1") = "8"
    & skf18("9","9","6","8","5","4","1") = "8"
    & skf18("9","9","6","8","5","5","1") = "8"
    & skf18("9","9","6","8","5","6","1") = "8"
    & skf18("9","9","6","8","5","7","1") = "8"
    & skf18("9","9","6","8","5","8","1") = "8"
    & skf18("9","9","6","8","5","9","1") = "8"
    & skf18("9","9","6","8","5","10","1") = "9"
    & skf18("9","9","6","8","6","1","1") = "8"
    & skf18("9","9","6","8","6","2","1") = "8"
    & skf18("9","9","6","8","6","3","1") = "8"
    & skf18("9","9","6","8","6","4","1") = "8"
    & skf18("9","9","6","8","6","5","1") = "8"
    & skf18("9","9","6","8","6","6","1") = "8"
    & skf18("9","9","6","8","6","7","1") = "8"
    & skf18("9","9","6","8","6","8","1") = "8"
    & skf18("9","9","6","8","6","9","1") = "8"
    & skf18("9","9","6","8","6","10","1") = "9"
    & skf18("9","9","6","8","7","1","1") = "8"
    & skf18("9","9","6","8","7","2","1") = "8"
    & skf18("9","9","6","8","7","3","1") = "8"
    & skf18("9","9","6","8","7","4","1") = "8"
    & skf18("9","9","6","8","7","5","1") = "8"
    & skf18("9","9","6","8","7","6","1") = "8"
    & skf18("9","9","6","8","7","7","1") = "8"
    & skf18("9","9","6","8","7","8","1") = "8"
    & skf18("9","9","6","8","7","9","1") = "8"
    & skf18("9","9","6","8","7","10","1") = "9"
    & skf18("9","9","6","8","8","1","1") = "8"
    & skf18("9","9","6","8","8","2","1") = "8"
    & skf18("9","9","6","8","8","3","1") = "8"
    & skf18("9","9","6","8","8","4","1") = "8"
    & skf18("9","9","6","8","8","5","1") = "8"
    & skf18("9","9","6","8","8","6","1") = "8"
    & skf18("9","9","6","8","8","7","1") = "8"
    & skf18("9","9","6","8","8","8","1") = "8"
    & skf18("9","9","6","8","8","9","1") = "8"
    & skf18("9","9","6","8","8","10","1") = "9"
    & skf18("9","9","6","8","9","1","1") = "8"
    & skf18("9","9","6","8","9","2","1") = "8"
    & skf18("9","9","6","8","9","3","1") = "8"
    & skf18("9","9","6","8","9","4","1") = "8"
    & skf18("9","9","6","8","9","5","1") = "8"
    & skf18("9","9","6","8","9","6","1") = "8"
    & skf18("9","9","6","8","9","7","1") = "8"
    & skf18("9","9","6","8","9","8","1") = "8"
    & skf18("9","9","6","8","9","9","1") = "8"
    & skf18("9","9","6","8","9","10","1") = "9"
    & skf18("9","9","6","8","10","1","1") = "9"
    & skf18("9","9","6","8","10","2","1") = "9"
    & skf18("9","9","6","8","10","3","1") = "9"
    & skf18("9","9","6","8","10","4","1") = "9"
    & skf18("9","9","6","8","10","5","1") = "9"
    & skf18("9","9","6","8","10","6","1") = "9"
    & skf18("9","9","6","8","10","7","1") = "9"
    & skf18("9","9","6","8","10","8","1") = "9"
    & skf18("9","9","6","8","10","9","1") = "9"
    & skf18("9","9","6","8","10","10","1") = "9"
    & skf18("9","9","6","9","1","1","1") = "8"
    & skf18("9","9","6","9","1","2","1") = "8"
    & skf18("9","9","6","9","1","3","1") = "8"
    & skf18("9","9","6","9","1","4","1") = "8"
    & skf18("9","9","6","9","1","5","1") = "8"
    & skf18("9","9","6","9","1","6","1") = "8"
    & skf18("9","9","6","9","1","7","1") = "8"
    & skf18("9","9","6","9","1","8","1") = "8"
    & skf18("9","9","6","9","1","9","1") = "8"
    & skf18("9","9","6","9","1","10","1") = "9"
    & skf18("9","9","6","9","2","1","1") = "8"
    & skf18("9","9","6","9","2","2","1") = "8"
    & skf18("9","9","6","9","2","3","1") = "8"
    & skf18("9","9","6","9","2","4","1") = "8"
    & skf18("9","9","6","9","2","5","1") = "8"
    & skf18("9","9","6","9","2","6","1") = "8"
    & skf18("9","9","6","9","2","7","1") = "8"
    & skf18("9","9","6","9","2","8","1") = "8"
    & skf18("9","9","6","9","2","9","1") = "8"
    & skf18("9","9","6","9","2","10","1") = "9"
    & skf18("9","9","6","9","3","1","1") = "8"
    & skf18("9","9","6","9","3","2","1") = "8"
    & skf18("9","9","6","9","3","3","1") = "8"
    & skf18("9","9","6","9","3","4","1") = "8"
    & skf18("9","9","6","9","3","5","1") = "8"
    & skf18("9","9","6","9","3","6","1") = "8"
    & skf18("9","9","6","9","3","7","1") = "8"
    & skf18("9","9","6","9","3","8","1") = "8"
    & skf18("9","9","6","9","3","9","1") = "8"
    & skf18("9","9","6","9","3","10","1") = "9"
    & skf18("9","9","6","9","4","1","1") = "8"
    & skf18("9","9","6","9","4","2","1") = "8"
    & skf18("9","9","6","9","4","3","1") = "8"
    & skf18("9","9","6","9","4","4","1") = "8"
    & skf18("9","9","6","9","4","5","1") = "8"
    & skf18("9","9","6","9","4","6","1") = "8"
    & skf18("9","9","6","9","4","7","1") = "8"
    & skf18("9","9","6","9","4","8","1") = "8"
    & skf18("9","9","6","9","4","9","1") = "8"
    & skf18("9","9","6","9","4","10","1") = "9"
    & skf18("9","9","6","9","5","1","1") = "8"
    & skf18("9","9","6","9","5","2","1") = "8"
    & skf18("9","9","6","9","5","3","1") = "8"
    & skf18("9","9","6","9","5","4","1") = "8"
    & skf18("9","9","6","9","5","5","1") = "8"
    & skf18("9","9","6","9","5","6","1") = "8"
    & skf18("9","9","6","9","5","7","1") = "8"
    & skf18("9","9","6","9","5","8","1") = "8"
    & skf18("9","9","6","9","5","9","1") = "8"
    & skf18("9","9","6","9","5","10","1") = "9"
    & skf18("9","9","6","9","6","1","1") = "8"
    & skf18("9","9","6","9","6","2","1") = "8"
    & skf18("9","9","6","9","6","3","1") = "8"
    & skf18("9","9","6","9","6","4","1") = "8"
    & skf18("9","9","6","9","6","5","1") = "8"
    & skf18("9","9","6","9","6","6","1") = "8"
    & skf18("9","9","6","9","6","7","1") = "8"
    & skf18("9","9","6","9","6","8","1") = "8"
    & skf18("9","9","6","9","6","9","1") = "8"
    & skf18("9","9","6","9","6","10","1") = "9"
    & skf18("9","9","6","9","7","1","1") = "8"
    & skf18("9","9","6","9","7","2","1") = "8"
    & skf18("9","9","6","9","7","3","1") = "8"
    & skf18("9","9","6","9","7","4","1") = "8"
    & skf18("9","9","6","9","7","5","1") = "8"
    & skf18("9","9","6","9","7","6","1") = "8"
    & skf18("9","9","6","9","7","7","1") = "8"
    & skf18("9","9","6","9","7","8","1") = "8"
    & skf18("9","9","6","9","7","9","1") = "8"
    & skf18("9","9","6","9","7","10","1") = "9"
    & skf18("9","9","6","9","8","1","1") = "8"
    & skf18("9","9","6","9","8","2","1") = "8"
    & skf18("9","9","6","9","8","3","1") = "8"
    & skf18("9","9","6","9","8","4","1") = "8"
    & skf18("9","9","6","9","8","5","1") = "8"
    & skf18("9","9","6","9","8","6","1") = "8"
    & skf18("9","9","6","9","8","7","1") = "8"
    & skf18("9","9","6","9","8","8","1") = "8"
    & skf18("9","9","6","9","8","9","1") = "8"
    & skf18("9","9","6","9","8","10","1") = "9"
    & skf18("9","9","6","9","9","1","1") = "8"
    & skf18("9","9","6","9","9","2","1") = "8"
    & skf18("9","9","6","9","9","3","1") = "8"
    & skf18("9","9","6","9","9","4","1") = "8"
    & skf18("9","9","6","9","9","5","1") = "8"
    & skf18("9","9","6","9","9","6","1") = "8"
    & skf18("9","9","6","9","9","7","1") = "8"
    & skf18("9","9","6","9","9","8","1") = "8"
    & skf18("9","9","6","9","9","9","1") = "8"
    & skf18("9","9","6","9","9","10","1") = "9"
    & skf18("9","9","6","9","10","1","1") = "9"
    & skf18("9","9","6","9","10","2","1") = "9"
    & skf18("9","9","6","9","10","3","1") = "9"
    & skf18("9","9","6","9","10","4","1") = "9"
    & skf18("9","9","6","9","10","5","1") = "9"
    & skf18("9","9","6","9","10","6","1") = "9"
    & skf18("9","9","6","9","10","7","1") = "9"
    & skf18("9","9","6","9","10","8","1") = "9"
    & skf18("9","9","6","9","10","9","1") = "9"
    & skf18("9","9","6","9","10","10","1") = "9"
    & skf18("9","9","6","10","1","1","1") = "9"
    & skf18("9","9","6","10","1","2","1") = "9"
    & skf18("9","9","6","10","1","3","1") = "9"
    & skf18("9","9","6","10","1","4","1") = "9"
    & skf18("9","9","6","10","1","5","1") = "9"
    & skf18("9","9","6","10","1","6","1") = "9"
    & skf18("9","9","6","10","1","7","1") = "9"
    & skf18("9","9","6","10","1","8","1") = "9"
    & skf18("9","9","6","10","1","9","1") = "9"
    & skf18("9","9","6","10","1","10","1") = "9"
    & skf18("9","9","6","10","2","1","1") = "9"
    & skf18("9","9","6","10","2","2","1") = "9"
    & skf18("9","9","6","10","2","3","1") = "9"
    & skf18("9","9","6","10","2","4","1") = "9"
    & skf18("9","9","6","10","2","5","1") = "9"
    & skf18("9","9","6","10","2","6","1") = "9"
    & skf18("9","9","6","10","2","7","1") = "9"
    & skf18("9","9","6","10","2","8","1") = "9"
    & skf18("9","9","6","10","2","9","1") = "9"
    & skf18("9","9","6","10","2","10","1") = "9"
    & skf18("9","9","6","10","3","1","1") = "9"
    & skf18("9","9","6","10","3","2","1") = "9"
    & skf18("9","9","6","10","3","3","1") = "9"
    & skf18("9","9","6","10","3","4","1") = "9"
    & skf18("9","9","6","10","3","5","1") = "9"
    & skf18("9","9","6","10","3","6","1") = "9"
    & skf18("9","9","6","10","3","7","1") = "9"
    & skf18("9","9","6","10","3","8","1") = "9"
    & skf18("9","9","6","10","3","9","1") = "9"
    & skf18("9","9","6","10","3","10","1") = "9"
    & skf18("9","9","6","10","4","1","1") = "9"
    & skf18("9","9","6","10","4","2","1") = "9"
    & skf18("9","9","6","10","4","3","1") = "9"
    & skf18("9","9","6","10","4","4","1") = "9"
    & skf18("9","9","6","10","4","5","1") = "9"
    & skf18("9","9","6","10","4","6","1") = "9"
    & skf18("9","9","6","10","4","7","1") = "9"
    & skf18("9","9","6","10","4","8","1") = "9"
    & skf18("9","9","6","10","4","9","1") = "9"
    & skf18("9","9","6","10","4","10","1") = "9"
    & skf18("9","9","6","10","5","1","1") = "9"
    & skf18("9","9","6","10","5","2","1") = "9"
    & skf18("9","9","6","10","5","3","1") = "9"
    & skf18("9","9","6","10","5","4","1") = "9"
    & skf18("9","9","6","10","5","5","1") = "9"
    & skf18("9","9","6","10","5","6","1") = "9"
    & skf18("9","9","6","10","5","7","1") = "9"
    & skf18("9","9","6","10","5","8","1") = "9"
    & skf18("9","9","6","10","5","9","1") = "9"
    & skf18("9","9","6","10","5","10","1") = "9"
    & skf18("9","9","6","10","6","1","1") = "9"
    & skf18("9","9","6","10","6","2","1") = "9"
    & skf18("9","9","6","10","6","3","1") = "9"
    & skf18("9","9","6","10","6","4","1") = "9"
    & skf18("9","9","6","10","6","5","1") = "9"
    & skf18("9","9","6","10","6","6","1") = "9"
    & skf18("9","9","6","10","6","7","1") = "9"
    & skf18("9","9","6","10","6","8","1") = "9"
    & skf18("9","9","6","10","6","9","1") = "9"
    & skf18("9","9","6","10","6","10","1") = "9"
    & skf18("9","9","6","10","7","1","1") = "9"
    & skf18("9","9","6","10","7","2","1") = "9"
    & skf18("9","9","6","10","7","3","1") = "9"
    & skf18("9","9","6","10","7","4","1") = "9"
    & skf18("9","9","6","10","7","5","1") = "9"
    & skf18("9","9","6","10","7","6","1") = "9"
    & skf18("9","9","6","10","7","7","1") = "9"
    & skf18("9","9","6","10","7","8","1") = "9"
    & skf18("9","9","6","10","7","9","1") = "9"
    & skf18("9","9","6","10","7","10","1") = "9"
    & skf18("9","9","6","10","8","1","1") = "9"
    & skf18("9","9","6","10","8","2","1") = "9"
    & skf18("9","9","6","10","8","3","1") = "9"
    & skf18("9","9","6","10","8","4","1") = "9"
    & skf18("9","9","6","10","8","5","1") = "9"
    & skf18("9","9","6","10","8","6","1") = "9"
    & skf18("9","9","6","10","8","7","1") = "9"
    & skf18("9","9","6","10","8","8","1") = "9"
    & skf18("9","9","6","10","8","9","1") = "9"
    & skf18("9","9","6","10","8","10","1") = "9"
    & skf18("9","9","6","10","9","1","1") = "9"
    & skf18("9","9","6","10","9","2","1") = "9"
    & skf18("9","9","6","10","9","3","1") = "9"
    & skf18("9","9","6","10","9","4","1") = "9"
    & skf18("9","9","6","10","9","5","1") = "9"
    & skf18("9","9","6","10","9","6","1") = "9"
    & skf18("9","9","6","10","9","7","1") = "9"
    & skf18("9","9","6","10","9","8","1") = "9"
    & skf18("9","9","6","10","9","9","1") = "9"
    & skf18("9","9","6","10","9","10","1") = "9"
    & skf18("9","9","6","10","10","1","1") = "9"
    & skf18("9","9","6","10","10","2","1") = "9"
    & skf18("9","9","6","10","10","3","1") = "9"
    & skf18("9","9","6","10","10","4","1") = "9"
    & skf18("9","9","6","10","10","5","1") = "9"
    & skf18("9","9","6","10","10","6","1") = "9"
    & skf18("9","9","6","10","10","7","1") = "9"
    & skf18("9","9","6","10","10","8","1") = "9"
    & skf18("9","9","6","10","10","9","1") = "9"
    & skf18("9","9","6","10","10","10","1") = "9"
    & skf18("9","9","7","1","1","1","1") = "8"
    & skf18("9","9","7","1","1","2","1") = "8"
    & skf18("9","9","7","1","1","3","1") = "8"
    & skf18("9","9","7","1","1","4","1") = "8"
    & skf18("9","9","7","1","1","5","1") = "8"
    & skf18("9","9","7","1","1","6","1") = "8"
    & skf18("9","9","7","1","1","7","1") = "8"
    & skf18("9","9","7","1","1","8","1") = "8"
    & skf18("9","9","7","1","1","9","1") = "8"
    & skf18("9","9","7","1","1","10","1") = "9"
    & skf18("9","9","7","1","2","1","1") = "8"
    & skf18("9","9","7","1","2","2","1") = "8"
    & skf18("9","9","7","1","2","3","1") = "8"
    & skf18("9","9","7","1","2","4","1") = "8"
    & skf18("9","9","7","1","2","5","1") = "8"
    & skf18("9","9","7","1","2","6","1") = "8"
    & skf18("9","9","7","1","2","7","1") = "8"
    & skf18("9","9","7","1","2","8","1") = "8"
    & skf18("9","9","7","1","2","9","1") = "8"
    & skf18("9","9","7","1","2","10","1") = "9"
    & skf18("9","9","7","1","3","1","1") = "8"
    & skf18("9","9","7","1","3","2","1") = "8"
    & skf18("9","9","7","1","3","3","1") = "8"
    & skf18("9","9","7","1","3","4","1") = "8"
    & skf18("9","9","7","1","3","5","1") = "8"
    & skf18("9","9","7","1","3","6","1") = "8"
    & skf18("9","9","7","1","3","7","1") = "8"
    & skf18("9","9","7","1","3","8","1") = "8"
    & skf18("9","9","7","1","3","9","1") = "8"
    & skf18("9","9","7","1","3","10","1") = "9"
    & skf18("9","9","7","1","4","1","1") = "8"
    & skf18("9","9","7","1","4","2","1") = "8"
    & skf18("9","9","7","1","4","3","1") = "8"
    & skf18("9","9","7","1","4","4","1") = "8"
    & skf18("9","9","7","1","4","5","1") = "8"
    & skf18("9","9","7","1","4","6","1") = "8"
    & skf18("9","9","7","1","4","7","1") = "8"
    & skf18("9","9","7","1","4","8","1") = "8"
    & skf18("9","9","7","1","4","9","1") = "8"
    & skf18("9","9","7","1","4","10","1") = "9"
    & skf18("9","9","7","1","5","1","1") = "8"
    & skf18("9","9","7","1","5","2","1") = "8"
    & skf18("9","9","7","1","5","3","1") = "8"
    & skf18("9","9","7","1","5","4","1") = "8"
    & skf18("9","9","7","1","5","5","1") = "8"
    & skf18("9","9","7","1","5","6","1") = "8"
    & skf18("9","9","7","1","5","7","1") = "8"
    & skf18("9","9","7","1","5","8","1") = "8"
    & skf18("9","9","7","1","5","9","1") = "8"
    & skf18("9","9","7","1","5","10","1") = "9"
    & skf18("9","9","7","1","6","1","1") = "8"
    & skf18("9","9","7","1","6","2","1") = "8"
    & skf18("9","9","7","1","6","3","1") = "8"
    & skf18("9","9","7","1","6","4","1") = "8"
    & skf18("9","9","7","1","6","5","1") = "8"
    & skf18("9","9","7","1","6","6","1") = "8"
    & skf18("9","9","7","1","6","7","1") = "8"
    & skf18("9","9","7","1","6","8","1") = "8"
    & skf18("9","9","7","1","6","9","1") = "8"
    & skf18("9","9","7","1","6","10","1") = "9"
    & skf18("9","9","7","1","7","1","1") = "8"
    & skf18("9","9","7","1","7","2","1") = "8"
    & skf18("9","9","7","1","7","3","1") = "8"
    & skf18("9","9","7","1","7","4","1") = "8"
    & skf18("9","9","7","1","7","5","1") = "8"
    & skf18("9","9","7","1","7","6","1") = "8"
    & skf18("9","9","7","1","7","7","1") = "8"
    & skf18("9","9","7","1","7","8","1") = "8"
    & skf18("9","9","7","1","7","9","1") = "8"
    & skf18("9","9","7","1","7","10","1") = "9"
    & skf18("9","9","7","1","8","1","1") = "8"
    & skf18("9","9","7","1","8","2","1") = "8"
    & skf18("9","9","7","1","8","3","1") = "8"
    & skf18("9","9","7","1","8","4","1") = "8"
    & skf18("9","9","7","1","8","5","1") = "8"
    & skf18("9","9","7","1","8","6","1") = "8"
    & skf18("9","9","7","1","8","7","1") = "8"
    & skf18("9","9","7","1","8","8","1") = "8"
    & skf18("9","9","7","1","8","9","1") = "8"
    & skf18("9","9","7","1","8","10","1") = "9"
    & skf18("9","9","7","1","9","1","1") = "8"
    & skf18("9","9","7","1","9","2","1") = "8"
    & skf18("9","9","7","1","9","3","1") = "8"
    & skf18("9","9","7","1","9","4","1") = "8"
    & skf18("9","9","7","1","9","5","1") = "8"
    & skf18("9","9","7","1","9","6","1") = "8"
    & skf18("9","9","7","1","9","7","1") = "8"
    & skf18("9","9","7","1","9","8","1") = "8"
    & skf18("9","9","7","1","9","9","1") = "8"
    & skf18("9","9","7","1","9","10","1") = "9"
    & skf18("9","9","7","1","10","1","1") = "9"
    & skf18("9","9","7","1","10","2","1") = "9"
    & skf18("9","9","7","1","10","3","1") = "9"
    & skf18("9","9","7","1","10","4","1") = "9"
    & skf18("9","9","7","1","10","5","1") = "9"
    & skf18("9","9","7","1","10","6","1") = "9"
    & skf18("9","9","7","1","10","7","1") = "9"
    & skf18("9","9","7","1","10","8","1") = "9"
    & skf18("9","9","7","1","10","9","1") = "9"
    & skf18("9","9","7","1","10","10","1") = "9"
    & skf18("9","9","7","2","1","1","1") = "8"
    & skf18("9","9","7","2","1","2","1") = "8"
    & skf18("9","9","7","2","1","3","1") = "8"
    & skf18("9","9","7","2","1","4","1") = "8"
    & skf18("9","9","7","2","1","5","1") = "8"
    & skf18("9","9","7","2","1","6","1") = "8"
    & skf18("9","9","7","2","1","7","1") = "8"
    & skf18("9","9","7","2","1","8","1") = "8"
    & skf18("9","9","7","2","1","9","1") = "8"
    & skf18("9","9","7","2","1","10","1") = "9"
    & skf18("9","9","7","2","2","1","1") = "8"
    & skf18("9","9","7","2","2","2","1") = "8"
    & skf18("9","9","7","2","2","3","1") = "8"
    & skf18("9","9","7","2","2","4","1") = "8"
    & skf18("9","9","7","2","2","5","1") = "8"
    & skf18("9","9","7","2","2","6","1") = "8"
    & skf18("9","9","7","2","2","7","1") = "8"
    & skf18("9","9","7","2","2","8","1") = "8"
    & skf18("9","9","7","2","2","9","1") = "8"
    & skf18("9","9","7","2","2","10","1") = "9"
    & skf18("9","9","7","2","3","1","1") = "8"
    & skf18("9","9","7","2","3","2","1") = "8"
    & skf18("9","9","7","2","3","3","1") = "8"
    & skf18("9","9","7","2","3","4","1") = "8"
    & skf18("9","9","7","2","3","5","1") = "8"
    & skf18("9","9","7","2","3","6","1") = "8"
    & skf18("9","9","7","2","3","7","1") = "8"
    & skf18("9","9","7","2","3","8","1") = "8"
    & skf18("9","9","7","2","3","9","1") = "8"
    & skf18("9","9","7","2","3","10","1") = "9"
    & skf18("9","9","7","2","4","1","1") = "8"
    & skf18("9","9","7","2","4","2","1") = "8"
    & skf18("9","9","7","2","4","3","1") = "8"
    & skf18("9","9","7","2","4","4","1") = "8"
    & skf18("9","9","7","2","4","5","1") = "8"
    & skf18("9","9","7","2","4","6","1") = "8"
    & skf18("9","9","7","2","4","7","1") = "8"
    & skf18("9","9","7","2","4","8","1") = "8"
    & skf18("9","9","7","2","4","9","1") = "8"
    & skf18("9","9","7","2","4","10","1") = "9"
    & skf18("9","9","7","2","5","1","1") = "8"
    & skf18("9","9","7","2","5","2","1") = "8"
    & skf18("9","9","7","2","5","3","1") = "8"
    & skf18("9","9","7","2","5","4","1") = "8"
    & skf18("9","9","7","2","5","5","1") = "8"
    & skf18("9","9","7","2","5","6","1") = "8"
    & skf18("9","9","7","2","5","7","1") = "8"
    & skf18("9","9","7","2","5","8","1") = "8"
    & skf18("9","9","7","2","5","9","1") = "8"
    & skf18("9","9","7","2","5","10","1") = "9"
    & skf18("9","9","7","2","6","1","1") = "8"
    & skf18("9","9","7","2","6","2","1") = "8"
    & skf18("9","9","7","2","6","3","1") = "8"
    & skf18("9","9","7","2","6","4","1") = "8"
    & skf18("9","9","7","2","6","5","1") = "8"
    & skf18("9","9","7","2","6","6","1") = "8"
    & skf18("9","9","7","2","6","7","1") = "8"
    & skf18("9","9","7","2","6","8","1") = "8"
    & skf18("9","9","7","2","6","9","1") = "8"
    & skf18("9","9","7","2","6","10","1") = "9"
    & skf18("9","9","7","2","7","1","1") = "8"
    & skf18("9","9","7","2","7","2","1") = "8"
    & skf18("9","9","7","2","7","3","1") = "8"
    & skf18("9","9","7","2","7","4","1") = "8"
    & skf18("9","9","7","2","7","5","1") = "8"
    & skf18("9","9","7","2","7","6","1") = "8"
    & skf18("9","9","7","2","7","7","1") = "8"
    & skf18("9","9","7","2","7","8","1") = "8"
    & skf18("9","9","7","2","7","9","1") = "8"
    & skf18("9","9","7","2","7","10","1") = "9"
    & skf18("9","9","7","2","8","1","1") = "8"
    & skf18("9","9","7","2","8","2","1") = "8"
    & skf18("9","9","7","2","8","3","1") = "8"
    & skf18("9","9","7","2","8","4","1") = "8"
    & skf18("9","9","7","2","8","5","1") = "8"
    & skf18("9","9","7","2","8","6","1") = "8"
    & skf18("9","9","7","2","8","7","1") = "8"
    & skf18("9","9","7","2","8","8","1") = "8"
    & skf18("9","9","7","2","8","9","1") = "8"
    & skf18("9","9","7","2","8","10","1") = "9"
    & skf18("9","9","7","2","9","1","1") = "8"
    & skf18("9","9","7","2","9","2","1") = "8"
    & skf18("9","9","7","2","9","3","1") = "8"
    & skf18("9","9","7","2","9","4","1") = "8"
    & skf18("9","9","7","2","9","5","1") = "8"
    & skf18("9","9","7","2","9","6","1") = "8"
    & skf18("9","9","7","2","9","7","1") = "8"
    & skf18("9","9","7","2","9","8","1") = "8"
    & skf18("9","9","7","2","9","9","1") = "8"
    & skf18("9","9","7","2","9","10","1") = "9"
    & skf18("9","9","7","2","10","1","1") = "9"
    & skf18("9","9","7","2","10","2","1") = "9"
    & skf18("9","9","7","2","10","3","1") = "9"
    & skf18("9","9","7","2","10","4","1") = "9"
    & skf18("9","9","7","2","10","5","1") = "9"
    & skf18("9","9","7","2","10","6","1") = "9"
    & skf18("9","9","7","2","10","7","1") = "9"
    & skf18("9","9","7","2","10","8","1") = "9"
    & skf18("9","9","7","2","10","9","1") = "9"
    & skf18("9","9","7","2","10","10","1") = "9"
    & skf18("9","9","7","3","1","1","1") = "8"
    & skf18("9","9","7","3","1","2","1") = "8"
    & skf18("9","9","7","3","1","3","1") = "8"
    & skf18("9","9","7","3","1","4","1") = "8"
    & skf18("9","9","7","3","1","5","1") = "8"
    & skf18("9","9","7","3","1","6","1") = "8"
    & skf18("9","9","7","3","1","7","1") = "8"
    & skf18("9","9","7","3","1","8","1") = "8"
    & skf18("9","9","7","3","1","9","1") = "8"
    & skf18("9","9","7","3","1","10","1") = "9"
    & skf18("9","9","7","3","2","1","1") = "8"
    & skf18("9","9","7","3","2","2","1") = "8"
    & skf18("9","9","7","3","2","3","1") = "8"
    & skf18("9","9","7","3","2","4","1") = "8"
    & skf18("9","9","7","3","2","5","1") = "8"
    & skf18("9","9","7","3","2","6","1") = "8"
    & skf18("9","9","7","3","2","7","1") = "8"
    & skf18("9","9","7","3","2","8","1") = "8"
    & skf18("9","9","7","3","2","9","1") = "8"
    & skf18("9","9","7","3","2","10","1") = "9"
    & skf18("9","9","7","3","3","1","1") = "8"
    & skf18("9","9","7","3","3","2","1") = "8"
    & skf18("9","9","7","3","3","3","1") = "8"
    & skf18("9","9","7","3","3","4","1") = "8"
    & skf18("9","9","7","3","3","5","1") = "8"
    & skf18("9","9","7","3","3","6","1") = "8"
    & skf18("9","9","7","3","3","7","1") = "8"
    & skf18("9","9","7","3","3","8","1") = "8"
    & skf18("9","9","7","3","3","9","1") = "8"
    & skf18("9","9","7","3","3","10","1") = "9"
    & skf18("9","9","7","3","4","1","1") = "8"
    & skf18("9","9","7","3","4","2","1") = "8"
    & skf18("9","9","7","3","4","3","1") = "8"
    & skf18("9","9","7","3","4","4","1") = "8"
    & skf18("9","9","7","3","4","5","1") = "8"
    & skf18("9","9","7","3","4","6","1") = "8"
    & skf18("9","9","7","3","4","7","1") = "8"
    & skf18("9","9","7","3","4","8","1") = "8"
    & skf18("9","9","7","3","4","9","1") = "8"
    & skf18("9","9","7","3","4","10","1") = "9"
    & skf18("9","9","7","3","5","1","1") = "8"
    & skf18("9","9","7","3","5","2","1") = "8"
    & skf18("9","9","7","3","5","3","1") = "8"
    & skf18("9","9","7","3","5","4","1") = "8"
    & skf18("9","9","7","3","5","5","1") = "8"
    & skf18("9","9","7","3","5","6","1") = "8"
    & skf18("9","9","7","3","5","7","1") = "8"
    & skf18("9","9","7","3","5","8","1") = "8"
    & skf18("9","9","7","3","5","9","1") = "8"
    & skf18("9","9","7","3","5","10","1") = "9"
    & skf18("9","9","7","3","6","1","1") = "8"
    & skf18("9","9","7","3","6","2","1") = "8"
    & skf18("9","9","7","3","6","3","1") = "8"
    & skf18("9","9","7","3","6","4","1") = "8"
    & skf18("9","9","7","3","6","5","1") = "8"
    & skf18("9","9","7","3","6","6","1") = "8"
    & skf18("9","9","7","3","6","7","1") = "8"
    & skf18("9","9","7","3","6","8","1") = "8"
    & skf18("9","9","7","3","6","9","1") = "8"
    & skf18("9","9","7","3","6","10","1") = "9"
    & skf18("9","9","7","3","7","1","1") = "8"
    & skf18("9","9","7","3","7","2","1") = "8"
    & skf18("9","9","7","3","7","3","1") = "8"
    & skf18("9","9","7","3","7","4","1") = "8"
    & skf18("9","9","7","3","7","5","1") = "8"
    & skf18("9","9","7","3","7","6","1") = "8"
    & skf18("9","9","7","3","7","7","1") = "8"
    & skf18("9","9","7","3","7","8","1") = "8"
    & skf18("9","9","7","3","7","9","1") = "8"
    & skf18("9","9","7","3","7","10","1") = "9"
    & skf18("9","9","7","3","8","1","1") = "8"
    & skf18("9","9","7","3","8","2","1") = "8"
    & skf18("9","9","7","3","8","3","1") = "8"
    & skf18("9","9","7","3","8","4","1") = "8"
    & skf18("9","9","7","3","8","5","1") = "8"
    & skf18("9","9","7","3","8","6","1") = "8"
    & skf18("9","9","7","3","8","7","1") = "8"
    & skf18("9","9","7","3","8","8","1") = "8"
    & skf18("9","9","7","3","8","9","1") = "8"
    & skf18("9","9","7","3","8","10","1") = "9"
    & skf18("9","9","7","3","9","1","1") = "8"
    & skf18("9","9","7","3","9","2","1") = "8"
    & skf18("9","9","7","3","9","3","1") = "8"
    & skf18("9","9","7","3","9","4","1") = "8"
    & skf18("9","9","7","3","9","5","1") = "8"
    & skf18("9","9","7","3","9","6","1") = "8"
    & skf18("9","9","7","3","9","7","1") = "8"
    & skf18("9","9","7","3","9","8","1") = "8"
    & skf18("9","9","7","3","9","9","1") = "8"
    & skf18("9","9","7","3","9","10","1") = "9"
    & skf18("9","9","7","3","10","1","1") = "9"
    & skf18("9","9","7","3","10","2","1") = "9"
    & skf18("9","9","7","3","10","3","1") = "9"
    & skf18("9","9","7","3","10","4","1") = "9"
    & skf18("9","9","7","3","10","5","1") = "9"
    & skf18("9","9","7","3","10","6","1") = "9"
    & skf18("9","9","7","3","10","7","1") = "9"
    & skf18("9","9","7","3","10","8","1") = "9"
    & skf18("9","9","7","3","10","9","1") = "9"
    & skf18("9","9","7","3","10","10","1") = "9"
    & skf18("9","9","7","4","1","1","1") = "8"
    & skf18("9","9","7","4","1","2","1") = "8"
    & skf18("9","9","7","4","1","3","1") = "8"
    & skf18("9","9","7","4","1","4","1") = "8"
    & skf18("9","9","7","4","1","5","1") = "8"
    & skf18("9","9","7","4","1","6","1") = "8"
    & skf18("9","9","7","4","1","7","1") = "8"
    & skf18("9","9","7","4","1","8","1") = "8"
    & skf18("9","9","7","4","1","9","1") = "8"
    & skf18("9","9","7","4","1","10","1") = "9"
    & skf18("9","9","7","4","2","1","1") = "8"
    & skf18("9","9","7","4","2","2","1") = "8"
    & skf18("9","9","7","4","2","3","1") = "8"
    & skf18("9","9","7","4","2","4","1") = "8"
    & skf18("9","9","7","4","2","5","1") = "8"
    & skf18("9","9","7","4","2","6","1") = "8"
    & skf18("9","9","7","4","2","7","1") = "8"
    & skf18("9","9","7","4","2","8","1") = "8"
    & skf18("9","9","7","4","2","9","1") = "8"
    & skf18("9","9","7","4","2","10","1") = "9"
    & skf18("9","9","7","4","3","1","1") = "8"
    & skf18("9","9","7","4","3","2","1") = "8"
    & skf18("9","9","7","4","3","3","1") = "8"
    & skf18("9","9","7","4","3","4","1") = "8"
    & skf18("9","9","7","4","3","5","1") = "8"
    & skf18("9","9","7","4","3","6","1") = "8"
    & skf18("9","9","7","4","3","7","1") = "8"
    & skf18("9","9","7","4","3","8","1") = "8"
    & skf18("9","9","7","4","3","9","1") = "8"
    & skf18("9","9","7","4","3","10","1") = "9"
    & skf18("9","9","7","4","4","1","1") = "8"
    & skf18("9","9","7","4","4","2","1") = "8"
    & skf18("9","9","7","4","4","3","1") = "8"
    & skf18("9","9","7","4","4","4","1") = "8"
    & skf18("9","9","7","4","4","5","1") = "8"
    & skf18("9","9","7","4","4","6","1") = "8"
    & skf18("9","9","7","4","4","7","1") = "8"
    & skf18("9","9","7","4","4","8","1") = "8"
    & skf18("9","9","7","4","4","9","1") = "8"
    & skf18("9","9","7","4","4","10","1") = "9"
    & skf18("9","9","7","4","5","1","1") = "8"
    & skf18("9","9","7","4","5","2","1") = "8"
    & skf18("9","9","7","4","5","3","1") = "8"
    & skf18("9","9","7","4","5","4","1") = "8"
    & skf18("9","9","7","4","5","5","1") = "8"
    & skf18("9","9","7","4","5","6","1") = "8"
    & skf18("9","9","7","4","5","7","1") = "8"
    & skf18("9","9","7","4","5","8","1") = "8"
    & skf18("9","9","7","4","5","9","1") = "8"
    & skf18("9","9","7","4","5","10","1") = "9"
    & skf18("9","9","7","4","6","1","1") = "8"
    & skf18("9","9","7","4","6","2","1") = "8"
    & skf18("9","9","7","4","6","3","1") = "8"
    & skf18("9","9","7","4","6","4","1") = "8"
    & skf18("9","9","7","4","6","5","1") = "8"
    & skf18("9","9","7","4","6","6","1") = "8"
    & skf18("9","9","7","4","6","7","1") = "8"
    & skf18("9","9","7","4","6","8","1") = "8"
    & skf18("9","9","7","4","6","9","1") = "8"
    & skf18("9","9","7","4","6","10","1") = "9"
    & skf18("9","9","7","4","7","1","1") = "8"
    & skf18("9","9","7","4","7","2","1") = "8"
    & skf18("9","9","7","4","7","3","1") = "8"
    & skf18("9","9","7","4","7","4","1") = "8"
    & skf18("9","9","7","4","7","5","1") = "8"
    & skf18("9","9","7","4","7","6","1") = "8"
    & skf18("9","9","7","4","7","7","1") = "8"
    & skf18("9","9","7","4","7","8","1") = "8"
    & skf18("9","9","7","4","7","9","1") = "8"
    & skf18("9","9","7","4","7","10","1") = "9"
    & skf18("9","9","7","4","8","1","1") = "8"
    & skf18("9","9","7","4","8","2","1") = "8"
    & skf18("9","9","7","4","8","3","1") = "8"
    & skf18("9","9","7","4","8","4","1") = "8"
    & skf18("9","9","7","4","8","5","1") = "8"
    & skf18("9","9","7","4","8","6","1") = "8"
    & skf18("9","9","7","4","8","7","1") = "8"
    & skf18("9","9","7","4","8","8","1") = "8"
    & skf18("9","9","7","4","8","9","1") = "8"
    & skf18("9","9","7","4","8","10","1") = "9"
    & skf18("9","9","7","4","9","1","1") = "8"
    & skf18("9","9","7","4","9","2","1") = "8"
    & skf18("9","9","7","4","9","3","1") = "8"
    & skf18("9","9","7","4","9","4","1") = "8"
    & skf18("9","9","7","4","9","5","1") = "8"
    & skf18("9","9","7","4","9","6","1") = "8"
    & skf18("9","9","7","4","9","7","1") = "8"
    & skf18("9","9","7","4","9","8","1") = "8"
    & skf18("9","9","7","4","9","9","1") = "8"
    & skf18("9","9","7","4","9","10","1") = "9"
    & skf18("9","9","7","4","10","1","1") = "9"
    & skf18("9","9","7","4","10","2","1") = "9"
    & skf18("9","9","7","4","10","3","1") = "9"
    & skf18("9","9","7","4","10","4","1") = "9"
    & skf18("9","9","7","4","10","5","1") = "9"
    & skf18("9","9","7","4","10","6","1") = "9"
    & skf18("9","9","7","4","10","7","1") = "9"
    & skf18("9","9","7","4","10","8","1") = "9"
    & skf18("9","9","7","4","10","9","1") = "9"
    & skf18("9","9","7","4","10","10","1") = "9"
    & skf18("9","9","7","5","1","1","1") = "8"
    & skf18("9","9","7","5","1","2","1") = "8"
    & skf18("9","9","7","5","1","3","1") = "8"
    & skf18("9","9","7","5","1","4","1") = "8"
    & skf18("9","9","7","5","1","5","1") = "8"
    & skf18("9","9","7","5","1","6","1") = "8"
    & skf18("9","9","7","5","1","7","1") = "8"
    & skf18("9","9","7","5","1","8","1") = "8"
    & skf18("9","9","7","5","1","9","1") = "8"
    & skf18("9","9","7","5","1","10","1") = "9"
    & skf18("9","9","7","5","2","1","1") = "8"
    & skf18("9","9","7","5","2","2","1") = "8"
    & skf18("9","9","7","5","2","3","1") = "8"
    & skf18("9","9","7","5","2","4","1") = "8"
    & skf18("9","9","7","5","2","5","1") = "8"
    & skf18("9","9","7","5","2","6","1") = "8"
    & skf18("9","9","7","5","2","7","1") = "8"
    & skf18("9","9","7","5","2","8","1") = "8"
    & skf18("9","9","7","5","2","9","1") = "8"
    & skf18("9","9","7","5","2","10","1") = "9"
    & skf18("9","9","7","5","3","1","1") = "8"
    & skf18("9","9","7","5","3","2","1") = "8"
    & skf18("9","9","7","5","3","3","1") = "8"
    & skf18("9","9","7","5","3","4","1") = "8"
    & skf18("9","9","7","5","3","5","1") = "8"
    & skf18("9","9","7","5","3","6","1") = "8"
    & skf18("9","9","7","5","3","7","1") = "8"
    & skf18("9","9","7","5","3","8","1") = "8"
    & skf18("9","9","7","5","3","9","1") = "8"
    & skf18("9","9","7","5","3","10","1") = "9"
    & skf18("9","9","7","5","4","1","1") = "8"
    & skf18("9","9","7","5","4","2","1") = "8"
    & skf18("9","9","7","5","4","3","1") = "8"
    & skf18("9","9","7","5","4","4","1") = "8"
    & skf18("9","9","7","5","4","5","1") = "8"
    & skf18("9","9","7","5","4","6","1") = "8"
    & skf18("9","9","7","5","4","7","1") = "8"
    & skf18("9","9","7","5","4","8","1") = "8"
    & skf18("9","9","7","5","4","9","1") = "8"
    & skf18("9","9","7","5","4","10","1") = "9"
    & skf18("9","9","7","5","5","1","1") = "8"
    & skf18("9","9","7","5","5","2","1") = "8"
    & skf18("9","9","7","5","5","3","1") = "8"
    & skf18("9","9","7","5","5","4","1") = "8"
    & skf18("9","9","7","5","5","5","1") = "8"
    & skf18("9","9","7","5","5","6","1") = "8"
    & skf18("9","9","7","5","5","7","1") = "8"
    & skf18("9","9","7","5","5","8","1") = "8"
    & skf18("9","9","7","5","5","9","1") = "8"
    & skf18("9","9","7","5","5","10","1") = "9"
    & skf18("9","9","7","5","6","1","1") = "8"
    & skf18("9","9","7","5","6","2","1") = "8"
    & skf18("9","9","7","5","6","3","1") = "8"
    & skf18("9","9","7","5","6","4","1") = "8"
    & skf18("9","9","7","5","6","5","1") = "8"
    & skf18("9","9","7","5","6","6","1") = "8"
    & skf18("9","9","7","5","6","7","1") = "8"
    & skf18("9","9","7","5","6","8","1") = "8"
    & skf18("9","9","7","5","6","9","1") = "8"
    & skf18("9","9","7","5","6","10","1") = "9"
    & skf18("9","9","7","5","7","1","1") = "8"
    & skf18("9","9","7","5","7","2","1") = "8"
    & skf18("9","9","7","5","7","3","1") = "8"
    & skf18("9","9","7","5","7","4","1") = "8"
    & skf18("9","9","7","5","7","5","1") = "8"
    & skf18("9","9","7","5","7","6","1") = "8"
    & skf18("9","9","7","5","7","7","1") = "8"
    & skf18("9","9","7","5","7","8","1") = "8"
    & skf18("9","9","7","5","7","9","1") = "8"
    & skf18("9","9","7","5","7","10","1") = "9"
    & skf18("9","9","7","5","8","1","1") = "8"
    & skf18("9","9","7","5","8","2","1") = "8"
    & skf18("9","9","7","5","8","3","1") = "8"
    & skf18("9","9","7","5","8","4","1") = "8"
    & skf18("9","9","7","5","8","5","1") = "8"
    & skf18("9","9","7","5","8","6","1") = "8"
    & skf18("9","9","7","5","8","7","1") = "8"
    & skf18("9","9","7","5","8","8","1") = "8"
    & skf18("9","9","7","5","8","9","1") = "8"
    & skf18("9","9","7","5","8","10","1") = "9"
    & skf18("9","9","7","5","9","1","1") = "8"
    & skf18("9","9","7","5","9","2","1") = "8"
    & skf18("9","9","7","5","9","3","1") = "8"
    & skf18("9","9","7","5","9","4","1") = "8"
    & skf18("9","9","7","5","9","5","1") = "8"
    & skf18("9","9","7","5","9","6","1") = "8"
    & skf18("9","9","7","5","9","7","1") = "8"
    & skf18("9","9","7","5","9","8","1") = "8"
    & skf18("9","9","7","5","9","9","1") = "8"
    & skf18("9","9","7","5","9","10","1") = "9"
    & skf18("9","9","7","5","10","1","1") = "9"
    & skf18("9","9","7","5","10","2","1") = "9"
    & skf18("9","9","7","5","10","3","1") = "9"
    & skf18("9","9","7","5","10","4","1") = "9"
    & skf18("9","9","7","5","10","5","1") = "9"
    & skf18("9","9","7","5","10","6","1") = "9"
    & skf18("9","9","7","5","10","7","1") = "9"
    & skf18("9","9","7","5","10","8","1") = "9"
    & skf18("9","9","7","5","10","9","1") = "9"
    & skf18("9","9","7","5","10","10","1") = "9"
    & skf18("9","9","7","6","1","1","1") = "8"
    & skf18("9","9","7","6","1","2","1") = "8"
    & skf18("9","9","7","6","1","3","1") = "8"
    & skf18("9","9","7","6","1","4","1") = "8"
    & skf18("9","9","7","6","1","5","1") = "8"
    & skf18("9","9","7","6","1","6","1") = "8"
    & skf18("9","9","7","6","1","7","1") = "8"
    & skf18("9","9","7","6","1","8","1") = "8"
    & skf18("9","9","7","6","1","9","1") = "8"
    & skf18("9","9","7","6","1","10","1") = "9"
    & skf18("9","9","7","6","2","1","1") = "8"
    & skf18("9","9","7","6","2","2","1") = "8"
    & skf18("9","9","7","6","2","3","1") = "8"
    & skf18("9","9","7","6","2","4","1") = "8"
    & skf18("9","9","7","6","2","5","1") = "8"
    & skf18("9","9","7","6","2","6","1") = "8"
    & skf18("9","9","7","6","2","7","1") = "8"
    & skf18("9","9","7","6","2","8","1") = "8"
    & skf18("9","9","7","6","2","9","1") = "8"
    & skf18("9","9","7","6","2","10","1") = "9"
    & skf18("9","9","7","6","3","1","1") = "8"
    & skf18("9","9","7","6","3","2","1") = "8"
    & skf18("9","9","7","6","3","3","1") = "8"
    & skf18("9","9","7","6","3","4","1") = "8"
    & skf18("9","9","7","6","3","5","1") = "8"
    & skf18("9","9","7","6","3","6","1") = "8"
    & skf18("9","9","7","6","3","7","1") = "8"
    & skf18("9","9","7","6","3","8","1") = "8"
    & skf18("9","9","7","6","3","9","1") = "8"
    & skf18("9","9","7","6","3","10","1") = "9"
    & skf18("9","9","7","6","4","1","1") = "8"
    & skf18("9","9","7","6","4","2","1") = "8"
    & skf18("9","9","7","6","4","3","1") = "8"
    & skf18("9","9","7","6","4","4","1") = "8"
    & skf18("9","9","7","6","4","5","1") = "8"
    & skf18("9","9","7","6","4","6","1") = "8"
    & skf18("9","9","7","6","4","7","1") = "8"
    & skf18("9","9","7","6","4","8","1") = "8"
    & skf18("9","9","7","6","4","9","1") = "8"
    & skf18("9","9","7","6","4","10","1") = "9"
    & skf18("9","9","7","6","5","1","1") = "8"
    & skf18("9","9","7","6","5","2","1") = "8"
    & skf18("9","9","7","6","5","3","1") = "8"
    & skf18("9","9","7","6","5","4","1") = "8"
    & skf18("9","9","7","6","5","5","1") = "8"
    & skf18("9","9","7","6","5","6","1") = "8"
    & skf18("9","9","7","6","5","7","1") = "8"
    & skf18("9","9","7","6","5","8","1") = "8"
    & skf18("9","9","7","6","5","9","1") = "8"
    & skf18("9","9","7","6","5","10","1") = "9"
    & skf18("9","9","7","6","6","1","1") = "8"
    & skf18("9","9","7","6","6","2","1") = "8"
    & skf18("9","9","7","6","6","3","1") = "8"
    & skf18("9","9","7","6","6","4","1") = "8"
    & skf18("9","9","7","6","6","5","1") = "8"
    & skf18("9","9","7","6","6","6","1") = "8"
    & skf18("9","9","7","6","6","7","1") = "8"
    & skf18("9","9","7","6","6","8","1") = "8"
    & skf18("9","9","7","6","6","9","1") = "8"
    & skf18("9","9","7","6","6","10","1") = "9"
    & skf18("9","9","7","6","7","1","1") = "8"
    & skf18("9","9","7","6","7","2","1") = "8"
    & skf18("9","9","7","6","7","3","1") = "8"
    & skf18("9","9","7","6","7","4","1") = "8"
    & skf18("9","9","7","6","7","5","1") = "8"
    & skf18("9","9","7","6","7","6","1") = "8"
    & skf18("9","9","7","6","7","7","1") = "8"
    & skf18("9","9","7","6","7","8","1") = "8"
    & skf18("9","9","7","6","7","9","1") = "8"
    & skf18("9","9","7","6","7","10","1") = "9"
    & skf18("9","9","7","6","8","1","1") = "8"
    & skf18("9","9","7","6","8","2","1") = "8"
    & skf18("9","9","7","6","8","3","1") = "8"
    & skf18("9","9","7","6","8","4","1") = "8"
    & skf18("9","9","7","6","8","5","1") = "8"
    & skf18("9","9","7","6","8","6","1") = "8"
    & skf18("9","9","7","6","8","7","1") = "8"
    & skf18("9","9","7","6","8","8","1") = "8"
    & skf18("9","9","7","6","8","9","1") = "8"
    & skf18("9","9","7","6","8","10","1") = "9"
    & skf18("9","9","7","6","9","1","1") = "8"
    & skf18("9","9","7","6","9","2","1") = "8"
    & skf18("9","9","7","6","9","3","1") = "8"
    & skf18("9","9","7","6","9","4","1") = "8"
    & skf18("9","9","7","6","9","5","1") = "8"
    & skf18("9","9","7","6","9","6","1") = "8"
    & skf18("9","9","7","6","9","7","1") = "8"
    & skf18("9","9","7","6","9","8","1") = "8"
    & skf18("9","9","7","6","9","9","1") = "8"
    & skf18("9","9","7","6","9","10","1") = "9"
    & skf18("9","9","7","6","10","1","1") = "9"
    & skf18("9","9","7","6","10","2","1") = "9"
    & skf18("9","9","7","6","10","3","1") = "9"
    & skf18("9","9","7","6","10","4","1") = "9"
    & skf18("9","9","7","6","10","5","1") = "9"
    & skf18("9","9","7","6","10","6","1") = "9"
    & skf18("9","9","7","6","10","7","1") = "9"
    & skf18("9","9","7","6","10","8","1") = "9"
    & skf18("9","9","7","6","10","9","1") = "9"
    & skf18("9","9","7","6","10","10","1") = "9"
    & skf18("9","9","7","7","1","1","1") = "8"
    & skf18("9","9","7","7","1","2","1") = "8"
    & skf18("9","9","7","7","1","3","1") = "8"
    & skf18("9","9","7","7","1","4","1") = "8"
    & skf18("9","9","7","7","1","5","1") = "8"
    & skf18("9","9","7","7","1","6","1") = "8"
    & skf18("9","9","7","7","1","7","1") = "8"
    & skf18("9","9","7","7","1","8","1") = "8"
    & skf18("9","9","7","7","1","9","1") = "8"
    & skf18("9","9","7","7","1","10","1") = "9"
    & skf18("9","9","7","7","2","1","1") = "8"
    & skf18("9","9","7","7","2","2","1") = "8"
    & skf18("9","9","7","7","2","3","1") = "8"
    & skf18("9","9","7","7","2","4","1") = "8"
    & skf18("9","9","7","7","2","5","1") = "8"
    & skf18("9","9","7","7","2","6","1") = "8"
    & skf18("9","9","7","7","2","7","1") = "8"
    & skf18("9","9","7","7","2","8","1") = "8"
    & skf18("9","9","7","7","2","9","1") = "8"
    & skf18("9","9","7","7","2","10","1") = "9"
    & skf18("9","9","7","7","3","1","1") = "8"
    & skf18("9","9","7","7","3","2","1") = "8"
    & skf18("9","9","7","7","3","3","1") = "8"
    & skf18("9","9","7","7","3","4","1") = "8"
    & skf18("9","9","7","7","3","5","1") = "8"
    & skf18("9","9","7","7","3","6","1") = "8"
    & skf18("9","9","7","7","3","7","1") = "8"
    & skf18("9","9","7","7","3","8","1") = "8"
    & skf18("9","9","7","7","3","9","1") = "8"
    & skf18("9","9","7","7","3","10","1") = "9"
    & skf18("9","9","7","7","4","1","1") = "8"
    & skf18("9","9","7","7","4","2","1") = "8"
    & skf18("9","9","7","7","4","3","1") = "8"
    & skf18("9","9","7","7","4","4","1") = "8"
    & skf18("9","9","7","7","4","5","1") = "8"
    & skf18("9","9","7","7","4","6","1") = "8"
    & skf18("9","9","7","7","4","7","1") = "8"
    & skf18("9","9","7","7","4","8","1") = "8"
    & skf18("9","9","7","7","4","9","1") = "8"
    & skf18("9","9","7","7","4","10","1") = "9"
    & skf18("9","9","7","7","5","1","1") = "8"
    & skf18("9","9","7","7","5","2","1") = "8"
    & skf18("9","9","7","7","5","3","1") = "8"
    & skf18("9","9","7","7","5","4","1") = "8"
    & skf18("9","9","7","7","5","5","1") = "8"
    & skf18("9","9","7","7","5","6","1") = "8"
    & skf18("9","9","7","7","5","7","1") = "8"
    & skf18("9","9","7","7","5","8","1") = "8"
    & skf18("9","9","7","7","5","9","1") = "8"
    & skf18("9","9","7","7","5","10","1") = "9"
    & skf18("9","9","7","7","6","1","1") = "8"
    & skf18("9","9","7","7","6","2","1") = "8"
    & skf18("9","9","7","7","6","3","1") = "8"
    & skf18("9","9","7","7","6","4","1") = "8"
    & skf18("9","9","7","7","6","5","1") = "8"
    & skf18("9","9","7","7","6","6","1") = "8"
    & skf18("9","9","7","7","6","7","1") = "8"
    & skf18("9","9","7","7","6","8","1") = "8"
    & skf18("9","9","7","7","6","9","1") = "8"
    & skf18("9","9","7","7","6","10","1") = "9"
    & skf18("9","9","7","7","7","1","1") = "8"
    & skf18("9","9","7","7","7","2","1") = "8"
    & skf18("9","9","7","7","7","3","1") = "8"
    & skf18("9","9","7","7","7","4","1") = "8"
    & skf18("9","9","7","7","7","5","1") = "8"
    & skf18("9","9","7","7","7","6","1") = "8"
    & skf18("9","9","7","7","7","7","1") = "8"
    & skf18("9","9","7","7","7","8","1") = "8"
    & skf18("9","9","7","7","7","9","1") = "8"
    & skf18("9","9","7","7","7","10","1") = "9"
    & skf18("9","9","7","7","8","1","1") = "8"
    & skf18("9","9","7","7","8","2","1") = "8"
    & skf18("9","9","7","7","8","3","1") = "8"
    & skf18("9","9","7","7","8","4","1") = "8"
    & skf18("9","9","7","7","8","5","1") = "8"
    & skf18("9","9","7","7","8","6","1") = "8"
    & skf18("9","9","7","7","8","7","1") = "8"
    & skf18("9","9","7","7","8","8","1") = "8"
    & skf18("9","9","7","7","8","9","1") = "8"
    & skf18("9","9","7","7","8","10","1") = "9"
    & skf18("9","9","7","7","9","1","1") = "8"
    & skf18("9","9","7","7","9","2","1") = "8"
    & skf18("9","9","7","7","9","3","1") = "8"
    & skf18("9","9","7","7","9","4","1") = "8"
    & skf18("9","9","7","7","9","5","1") = "8"
    & skf18("9","9","7","7","9","6","1") = "8"
    & skf18("9","9","7","7","9","7","1") = "8"
    & skf18("9","9","7","7","9","8","1") = "8"
    & skf18("9","9","7","7","9","9","1") = "8"
    & skf18("9","9","7","7","9","10","1") = "9"
    & skf18("9","9","7","7","10","1","1") = "9"
    & skf18("9","9","7","7","10","2","1") = "9"
    & skf18("9","9","7","7","10","3","1") = "9"
    & skf18("9","9","7","7","10","4","1") = "9"
    & skf18("9","9","7","7","10","5","1") = "9"
    & skf18("9","9","7","7","10","6","1") = "9"
    & skf18("9","9","7","7","10","7","1") = "9"
    & skf18("9","9","7","7","10","8","1") = "9"
    & skf18("9","9","7","7","10","9","1") = "9"
    & skf18("9","9","7","7","10","10","1") = "9"
    & skf18("9","9","7","8","1","1","1") = "8"
    & skf18("9","9","7","8","1","2","1") = "8"
    & skf18("9","9","7","8","1","3","1") = "8"
    & skf18("9","9","7","8","1","4","1") = "8"
    & skf18("9","9","7","8","1","5","1") = "8"
    & skf18("9","9","7","8","1","6","1") = "8"
    & skf18("9","9","7","8","1","7","1") = "8"
    & skf18("9","9","7","8","1","8","1") = "8"
    & skf18("9","9","7","8","1","9","1") = "8"
    & skf18("9","9","7","8","1","10","1") = "9"
    & skf18("9","9","7","8","2","1","1") = "8"
    & skf18("9","9","7","8","2","2","1") = "8"
    & skf18("9","9","7","8","2","3","1") = "8"
    & skf18("9","9","7","8","2","4","1") = "8"
    & skf18("9","9","7","8","2","5","1") = "8"
    & skf18("9","9","7","8","2","6","1") = "8"
    & skf18("9","9","7","8","2","7","1") = "8"
    & skf18("9","9","7","8","2","8","1") = "8"
    & skf18("9","9","7","8","2","9","1") = "8"
    & skf18("9","9","7","8","2","10","1") = "9"
    & skf18("9","9","7","8","3","1","1") = "8"
    & skf18("9","9","7","8","3","2","1") = "8"
    & skf18("9","9","7","8","3","3","1") = "8"
    & skf18("9","9","7","8","3","4","1") = "8"
    & skf18("9","9","7","8","3","5","1") = "8"
    & skf18("9","9","7","8","3","6","1") = "8"
    & skf18("9","9","7","8","3","7","1") = "8"
    & skf18("9","9","7","8","3","8","1") = "8"
    & skf18("9","9","7","8","3","9","1") = "8"
    & skf18("9","9","7","8","3","10","1") = "9"
    & skf18("9","9","7","8","4","1","1") = "8"
    & skf18("9","9","7","8","4","2","1") = "8"
    & skf18("9","9","7","8","4","3","1") = "8"
    & skf18("9","9","7","8","4","4","1") = "8"
    & skf18("9","9","7","8","4","5","1") = "8"
    & skf18("9","9","7","8","4","6","1") = "8"
    & skf18("9","9","7","8","4","7","1") = "8"
    & skf18("9","9","7","8","4","8","1") = "8"
    & skf18("9","9","7","8","4","9","1") = "8"
    & skf18("9","9","7","8","4","10","1") = "9"
    & skf18("9","9","7","8","5","1","1") = "8"
    & skf18("9","9","7","8","5","2","1") = "8"
    & skf18("9","9","7","8","5","3","1") = "8"
    & skf18("9","9","7","8","5","4","1") = "8"
    & skf18("9","9","7","8","5","5","1") = "8"
    & skf18("9","9","7","8","5","6","1") = "8"
    & skf18("9","9","7","8","5","7","1") = "8"
    & skf18("9","9","7","8","5","8","1") = "8"
    & skf18("9","9","7","8","5","9","1") = "8"
    & skf18("9","9","7","8","5","10","1") = "9"
    & skf18("9","9","7","8","6","1","1") = "8"
    & skf18("9","9","7","8","6","2","1") = "8"
    & skf18("9","9","7","8","6","3","1") = "8"
    & skf18("9","9","7","8","6","4","1") = "8"
    & skf18("9","9","7","8","6","5","1") = "8"
    & skf18("9","9","7","8","6","6","1") = "8"
    & skf18("9","9","7","8","6","7","1") = "8"
    & skf18("9","9","7","8","6","8","1") = "8"
    & skf18("9","9","7","8","6","9","1") = "8"
    & skf18("9","9","7","8","6","10","1") = "9"
    & skf18("9","9","7","8","7","1","1") = "8"
    & skf18("9","9","7","8","7","2","1") = "8"
    & skf18("9","9","7","8","7","3","1") = "8"
    & skf18("9","9","7","8","7","4","1") = "8"
    & skf18("9","9","7","8","7","5","1") = "8"
    & skf18("9","9","7","8","7","6","1") = "8"
    & skf18("9","9","7","8","7","7","1") = "8"
    & skf18("9","9","7","8","7","8","1") = "8"
    & skf18("9","9","7","8","7","9","1") = "8"
    & skf18("9","9","7","8","7","10","1") = "9"
    & skf18("9","9","7","8","8","1","1") = "8"
    & skf18("9","9","7","8","8","2","1") = "8"
    & skf18("9","9","7","8","8","3","1") = "8"
    & skf18("9","9","7","8","8","4","1") = "8"
    & skf18("9","9","7","8","8","5","1") = "8"
    & skf18("9","9","7","8","8","6","1") = "8"
    & skf18("9","9","7","8","8","7","1") = "8"
    & skf18("9","9","7","8","8","8","1") = "8"
    & skf18("9","9","7","8","8","9","1") = "8"
    & skf18("9","9","7","8","8","10","1") = "9"
    & skf18("9","9","7","8","9","1","1") = "8"
    & skf18("9","9","7","8","9","2","1") = "8"
    & skf18("9","9","7","8","9","3","1") = "8"
    & skf18("9","9","7","8","9","4","1") = "8"
    & skf18("9","9","7","8","9","5","1") = "8"
    & skf18("9","9","7","8","9","6","1") = "8"
    & skf18("9","9","7","8","9","7","1") = "8"
    & skf18("9","9","7","8","9","8","1") = "8"
    & skf18("9","9","7","8","9","9","1") = "8"
    & skf18("9","9","7","8","9","10","1") = "9"
    & skf18("9","9","7","8","10","1","1") = "9"
    & skf18("9","9","7","8","10","2","1") = "9"
    & skf18("9","9","7","8","10","3","1") = "9"
    & skf18("9","9","7","8","10","4","1") = "9"
    & skf18("9","9","7","8","10","5","1") = "9"
    & skf18("9","9","7","8","10","6","1") = "9"
    & skf18("9","9","7","8","10","7","1") = "9"
    & skf18("9","9","7","8","10","8","1") = "9"
    & skf18("9","9","7","8","10","9","1") = "9"
    & skf18("9","9","7","8","10","10","1") = "9"
    & skf18("9","9","7","9","1","1","1") = "8"
    & skf18("9","9","7","9","1","2","1") = "8"
    & skf18("9","9","7","9","1","3","1") = "8"
    & skf18("9","9","7","9","1","4","1") = "8"
    & skf18("9","9","7","9","1","5","1") = "8"
    & skf18("9","9","7","9","1","6","1") = "8"
    & skf18("9","9","7","9","1","7","1") = "8"
    & skf18("9","9","7","9","1","8","1") = "8"
    & skf18("9","9","7","9","1","9","1") = "8"
    & skf18("9","9","7","9","1","10","1") = "9"
    & skf18("9","9","7","9","2","1","1") = "8"
    & skf18("9","9","7","9","2","2","1") = "8"
    & skf18("9","9","7","9","2","3","1") = "8"
    & skf18("9","9","7","9","2","4","1") = "8"
    & skf18("9","9","7","9","2","5","1") = "8"
    & skf18("9","9","7","9","2","6","1") = "8"
    & skf18("9","9","7","9","2","7","1") = "8"
    & skf18("9","9","7","9","2","8","1") = "8"
    & skf18("9","9","7","9","2","9","1") = "8"
    & skf18("9","9","7","9","2","10","1") = "9"
    & skf18("9","9","7","9","3","1","1") = "8"
    & skf18("9","9","7","9","3","2","1") = "8"
    & skf18("9","9","7","9","3","3","1") = "8"
    & skf18("9","9","7","9","3","4","1") = "8"
    & skf18("9","9","7","9","3","5","1") = "8"
    & skf18("9","9","7","9","3","6","1") = "8"
    & skf18("9","9","7","9","3","7","1") = "8"
    & skf18("9","9","7","9","3","8","1") = "8"
    & skf18("9","9","7","9","3","9","1") = "8"
    & skf18("9","9","7","9","3","10","1") = "9"
    & skf18("9","9","7","9","4","1","1") = "8"
    & skf18("9","9","7","9","4","2","1") = "8"
    & skf18("9","9","7","9","4","3","1") = "8"
    & skf18("9","9","7","9","4","4","1") = "8"
    & skf18("9","9","7","9","4","5","1") = "8"
    & skf18("9","9","7","9","4","6","1") = "8"
    & skf18("9","9","7","9","4","7","1") = "8"
    & skf18("9","9","7","9","4","8","1") = "8"
    & skf18("9","9","7","9","4","9","1") = "8"
    & skf18("9","9","7","9","4","10","1") = "9"
    & skf18("9","9","7","9","5","1","1") = "8"
    & skf18("9","9","7","9","5","2","1") = "8"
    & skf18("9","9","7","9","5","3","1") = "8"
    & skf18("9","9","7","9","5","4","1") = "8"
    & skf18("9","9","7","9","5","5","1") = "8"
    & skf18("9","9","7","9","5","6","1") = "8"
    & skf18("9","9","7","9","5","7","1") = "8"
    & skf18("9","9","7","9","5","8","1") = "8"
    & skf18("9","9","7","9","5","9","1") = "8"
    & skf18("9","9","7","9","5","10","1") = "9"
    & skf18("9","9","7","9","6","1","1") = "8"
    & skf18("9","9","7","9","6","2","1") = "8"
    & skf18("9","9","7","9","6","3","1") = "8"
    & skf18("9","9","7","9","6","4","1") = "8"
    & skf18("9","9","7","9","6","5","1") = "8"
    & skf18("9","9","7","9","6","6","1") = "8"
    & skf18("9","9","7","9","6","7","1") = "8"
    & skf18("9","9","7","9","6","8","1") = "8"
    & skf18("9","9","7","9","6","9","1") = "8"
    & skf18("9","9","7","9","6","10","1") = "9"
    & skf18("9","9","7","9","7","1","1") = "8"
    & skf18("9","9","7","9","7","2","1") = "8"
    & skf18("9","9","7","9","7","3","1") = "8"
    & skf18("9","9","7","9","7","4","1") = "8"
    & skf18("9","9","7","9","7","5","1") = "8"
    & skf18("9","9","7","9","7","6","1") = "8"
    & skf18("9","9","7","9","7","7","1") = "8"
    & skf18("9","9","7","9","7","8","1") = "8"
    & skf18("9","9","7","9","7","9","1") = "8"
    & skf18("9","9","7","9","7","10","1") = "9"
    & skf18("9","9","7","9","8","1","1") = "8"
    & skf18("9","9","7","9","8","2","1") = "8"
    & skf18("9","9","7","9","8","3","1") = "8"
    & skf18("9","9","7","9","8","4","1") = "8"
    & skf18("9","9","7","9","8","5","1") = "8"
    & skf18("9","9","7","9","8","6","1") = "8"
    & skf18("9","9","7","9","8","7","1") = "8"
    & skf18("9","9","7","9","8","8","1") = "8"
    & skf18("9","9","7","9","8","9","1") = "8"
    & skf18("9","9","7","9","8","10","1") = "9"
    & skf18("9","9","7","9","9","1","1") = "8"
    & skf18("9","9","7","9","9","2","1") = "8"
    & skf18("9","9","7","9","9","3","1") = "8"
    & skf18("9","9","7","9","9","4","1") = "8"
    & skf18("9","9","7","9","9","5","1") = "8"
    & skf18("9","9","7","9","9","6","1") = "8"
    & skf18("9","9","7","9","9","7","1") = "8"
    & skf18("9","9","7","9","9","8","1") = "8"
    & skf18("9","9","7","9","9","9","1") = "8"
    & skf18("9","9","7","9","9","10","1") = "9"
    & skf18("9","9","7","9","10","1","1") = "9"
    & skf18("9","9","7","9","10","2","1") = "9"
    & skf18("9","9","7","9","10","3","1") = "9"
    & skf18("9","9","7","9","10","4","1") = "9"
    & skf18("9","9","7","9","10","5","1") = "9"
    & skf18("9","9","7","9","10","6","1") = "9"
    & skf18("9","9","7","9","10","7","1") = "9"
    & skf18("9","9","7","9","10","8","1") = "9"
    & skf18("9","9","7","9","10","9","1") = "9"
    & skf18("9","9","7","9","10","10","1") = "9"
    & skf18("9","9","7","10","1","1","1") = "9"
    & skf18("9","9","7","10","1","2","1") = "9"
    & skf18("9","9","7","10","1","3","1") = "9"
    & skf18("9","9","7","10","1","4","1") = "9"
    & skf18("9","9","7","10","1","5","1") = "9"
    & skf18("9","9","7","10","1","6","1") = "9"
    & skf18("9","9","7","10","1","7","1") = "9"
    & skf18("9","9","7","10","1","8","1") = "9"
    & skf18("9","9","7","10","1","9","1") = "9"
    & skf18("9","9","7","10","1","10","1") = "9"
    & skf18("9","9","7","10","2","1","1") = "9"
    & skf18("9","9","7","10","2","2","1") = "9"
    & skf18("9","9","7","10","2","3","1") = "9"
    & skf18("9","9","7","10","2","4","1") = "9"
    & skf18("9","9","7","10","2","5","1") = "9"
    & skf18("9","9","7","10","2","6","1") = "9"
    & skf18("9","9","7","10","2","7","1") = "9"
    & skf18("9","9","7","10","2","8","1") = "9"
    & skf18("9","9","7","10","2","9","1") = "9"
    & skf18("9","9","7","10","2","10","1") = "9"
    & skf18("9","9","7","10","3","1","1") = "9"
    & skf18("9","9","7","10","3","2","1") = "9"
    & skf18("9","9","7","10","3","3","1") = "9"
    & skf18("9","9","7","10","3","4","1") = "9"
    & skf18("9","9","7","10","3","5","1") = "9"
    & skf18("9","9","7","10","3","6","1") = "9"
    & skf18("9","9","7","10","3","7","1") = "9"
    & skf18("9","9","7","10","3","8","1") = "9"
    & skf18("9","9","7","10","3","9","1") = "9"
    & skf18("9","9","7","10","3","10","1") = "9"
    & skf18("9","9","7","10","4","1","1") = "9"
    & skf18("9","9","7","10","4","2","1") = "9"
    & skf18("9","9","7","10","4","3","1") = "9"
    & skf18("9","9","7","10","4","4","1") = "9"
    & skf18("9","9","7","10","4","5","1") = "9"
    & skf18("9","9","7","10","4","6","1") = "9"
    & skf18("9","9","7","10","4","7","1") = "9"
    & skf18("9","9","7","10","4","8","1") = "9"
    & skf18("9","9","7","10","4","9","1") = "9"
    & skf18("9","9","7","10","4","10","1") = "9"
    & skf18("9","9","7","10","5","1","1") = "9"
    & skf18("9","9","7","10","5","2","1") = "9"
    & skf18("9","9","7","10","5","3","1") = "9"
    & skf18("9","9","7","10","5","4","1") = "9"
    & skf18("9","9","7","10","5","5","1") = "9"
    & skf18("9","9","7","10","5","6","1") = "9"
    & skf18("9","9","7","10","5","7","1") = "9"
    & skf18("9","9","7","10","5","8","1") = "9"
    & skf18("9","9","7","10","5","9","1") = "9"
    & skf18("9","9","7","10","5","10","1") = "9"
    & skf18("9","9","7","10","6","1","1") = "9"
    & skf18("9","9","7","10","6","2","1") = "9"
    & skf18("9","9","7","10","6","3","1") = "9"
    & skf18("9","9","7","10","6","4","1") = "9"
    & skf18("9","9","7","10","6","5","1") = "9"
    & skf18("9","9","7","10","6","6","1") = "9"
    & skf18("9","9","7","10","6","7","1") = "9"
    & skf18("9","9","7","10","6","8","1") = "9"
    & skf18("9","9","7","10","6","9","1") = "9"
    & skf18("9","9","7","10","6","10","1") = "9"
    & skf18("9","9","7","10","7","1","1") = "9"
    & skf18("9","9","7","10","7","2","1") = "9"
    & skf18("9","9","7","10","7","3","1") = "9"
    & skf18("9","9","7","10","7","4","1") = "9"
    & skf18("9","9","7","10","7","5","1") = "9"
    & skf18("9","9","7","10","7","6","1") = "9"
    & skf18("9","9","7","10","7","7","1") = "9"
    & skf18("9","9","7","10","7","8","1") = "9"
    & skf18("9","9","7","10","7","9","1") = "9"
    & skf18("9","9","7","10","7","10","1") = "9"
    & skf18("9","9","7","10","8","1","1") = "9"
    & skf18("9","9","7","10","8","2","1") = "9"
    & skf18("9","9","7","10","8","3","1") = "9"
    & skf18("9","9","7","10","8","4","1") = "9"
    & skf18("9","9","7","10","8","5","1") = "9"
    & skf18("9","9","7","10","8","6","1") = "9"
    & skf18("9","9","7","10","8","7","1") = "9"
    & skf18("9","9","7","10","8","8","1") = "9"
    & skf18("9","9","7","10","8","9","1") = "9"
    & skf18("9","9","7","10","8","10","1") = "9"
    & skf18("9","9","7","10","9","1","1") = "9"
    & skf18("9","9","7","10","9","2","1") = "9"
    & skf18("9","9","7","10","9","3","1") = "9"
    & skf18("9","9","7","10","9","4","1") = "9"
    & skf18("9","9","7","10","9","5","1") = "9"
    & skf18("9","9","7","10","9","6","1") = "9"
    & skf18("9","9","7","10","9","7","1") = "9"
    & skf18("9","9","7","10","9","8","1") = "9"
    & skf18("9","9","7","10","9","9","1") = "9"
    & skf18("9","9","7","10","9","10","1") = "9"
    & skf18("9","9","7","10","10","1","1") = "9"
    & skf18("9","9","7","10","10","2","1") = "9"
    & skf18("9","9","7","10","10","3","1") = "9"
    & skf18("9","9","7","10","10","4","1") = "9"
    & skf18("9","9","7","10","10","5","1") = "9"
    & skf18("9","9","7","10","10","6","1") = "9"
    & skf18("9","9","7","10","10","7","1") = "9"
    & skf18("9","9","7","10","10","8","1") = "9"
    & skf18("9","9","7","10","10","9","1") = "9"
    & skf18("9","9","7","10","10","10","1") = "9"
    & skf18("9","9","8","1","1","1","1") = "8"
    & skf18("9","9","8","1","1","2","1") = "8"
    & skf18("9","9","8","1","1","3","1") = "8"
    & skf18("9","9","8","1","1","4","1") = "8"
    & skf18("9","9","8","1","1","5","1") = "8"
    & skf18("9","9","8","1","1","6","1") = "8"
    & skf18("9","9","8","1","1","7","1") = "8"
    & skf18("9","9","8","1","1","8","1") = "8"
    & skf18("9","9","8","1","1","9","1") = "8"
    & skf18("9","9","8","1","1","10","1") = "9"
    & skf18("9","9","8","1","2","1","1") = "8"
    & skf18("9","9","8","1","2","2","1") = "8"
    & skf18("9","9","8","1","2","3","1") = "8"
    & skf18("9","9","8","1","2","4","1") = "8"
    & skf18("9","9","8","1","2","5","1") = "8"
    & skf18("9","9","8","1","2","6","1") = "8"
    & skf18("9","9","8","1","2","7","1") = "8"
    & skf18("9","9","8","1","2","8","1") = "8"
    & skf18("9","9","8","1","2","9","1") = "8"
    & skf18("9","9","8","1","2","10","1") = "9"
    & skf18("9","9","8","1","3","1","1") = "8"
    & skf18("9","9","8","1","3","2","1") = "8"
    & skf18("9","9","8","1","3","3","1") = "8"
    & skf18("9","9","8","1","3","4","1") = "8"
    & skf18("9","9","8","1","3","5","1") = "8"
    & skf18("9","9","8","1","3","6","1") = "8"
    & skf18("9","9","8","1","3","7","1") = "8"
    & skf18("9","9","8","1","3","8","1") = "8"
    & skf18("9","9","8","1","3","9","1") = "8"
    & skf18("9","9","8","1","3","10","1") = "9"
    & skf18("9","9","8","1","4","1","1") = "8"
    & skf18("9","9","8","1","4","2","1") = "8"
    & skf18("9","9","8","1","4","3","1") = "8"
    & skf18("9","9","8","1","4","4","1") = "8"
    & skf18("9","9","8","1","4","5","1") = "8"
    & skf18("9","9","8","1","4","6","1") = "8"
    & skf18("9","9","8","1","4","7","1") = "8"
    & skf18("9","9","8","1","4","8","1") = "8"
    & skf18("9","9","8","1","4","9","1") = "8"
    & skf18("9","9","8","1","4","10","1") = "9"
    & skf18("9","9","8","1","5","1","1") = "8"
    & skf18("9","9","8","1","5","2","1") = "8"
    & skf18("9","9","8","1","5","3","1") = "8"
    & skf18("9","9","8","1","5","4","1") = "8"
    & skf18("9","9","8","1","5","5","1") = "8"
    & skf18("9","9","8","1","5","6","1") = "8"
    & skf18("9","9","8","1","5","7","1") = "8"
    & skf18("9","9","8","1","5","8","1") = "8"
    & skf18("9","9","8","1","5","9","1") = "8"
    & skf18("9","9","8","1","5","10","1") = "9"
    & skf18("9","9","8","1","6","1","1") = "8"
    & skf18("9","9","8","1","6","2","1") = "8"
    & skf18("9","9","8","1","6","3","1") = "8"
    & skf18("9","9","8","1","6","4","1") = "8"
    & skf18("9","9","8","1","6","5","1") = "8"
    & skf18("9","9","8","1","6","6","1") = "8"
    & skf18("9","9","8","1","6","7","1") = "8"
    & skf18("9","9","8","1","6","8","1") = "8"
    & skf18("9","9","8","1","6","9","1") = "8"
    & skf18("9","9","8","1","6","10","1") = "9"
    & skf18("9","9","8","1","7","1","1") = "8"
    & skf18("9","9","8","1","7","2","1") = "8"
    & skf18("9","9","8","1","7","3","1") = "8"
    & skf18("9","9","8","1","7","4","1") = "8"
    & skf18("9","9","8","1","7","5","1") = "8"
    & skf18("9","9","8","1","7","6","1") = "8"
    & skf18("9","9","8","1","7","7","1") = "8"
    & skf18("9","9","8","1","7","8","1") = "8"
    & skf18("9","9","8","1","7","9","1") = "8"
    & skf18("9","9","8","1","7","10","1") = "9"
    & skf18("9","9","8","1","8","1","1") = "8"
    & skf18("9","9","8","1","8","2","1") = "8"
    & skf18("9","9","8","1","8","3","1") = "8"
    & skf18("9","9","8","1","8","4","1") = "8"
    & skf18("9","9","8","1","8","5","1") = "8"
    & skf18("9","9","8","1","8","6","1") = "8"
    & skf18("9","9","8","1","8","7","1") = "8"
    & skf18("9","9","8","1","8","8","1") = "8"
    & skf18("9","9","8","1","8","9","1") = "8"
    & skf18("9","9","8","1","8","10","1") = "9"
    & skf18("9","9","8","1","9","1","1") = "8"
    & skf18("9","9","8","1","9","2","1") = "8"
    & skf18("9","9","8","1","9","3","1") = "8"
    & skf18("9","9","8","1","9","4","1") = "8"
    & skf18("9","9","8","1","9","5","1") = "8"
    & skf18("9","9","8","1","9","6","1") = "8"
    & skf18("9","9","8","1","9","7","1") = "8"
    & skf18("9","9","8","1","9","8","1") = "8"
    & skf18("9","9","8","1","9","9","1") = "8"
    & skf18("9","9","8","1","9","10","1") = "9"
    & skf18("9","9","8","1","10","1","1") = "9"
    & skf18("9","9","8","1","10","2","1") = "9"
    & skf18("9","9","8","1","10","3","1") = "9"
    & skf18("9","9","8","1","10","4","1") = "9"
    & skf18("9","9","8","1","10","5","1") = "9"
    & skf18("9","9","8","1","10","6","1") = "9"
    & skf18("9","9","8","1","10","7","1") = "9"
    & skf18("9","9","8","1","10","8","1") = "9"
    & skf18("9","9","8","1","10","9","1") = "9"
    & skf18("9","9","8","1","10","10","1") = "9"
    & skf18("9","9","8","2","1","1","1") = "8"
    & skf18("9","9","8","2","1","2","1") = "8"
    & skf18("9","9","8","2","1","3","1") = "8"
    & skf18("9","9","8","2","1","4","1") = "8"
    & skf18("9","9","8","2","1","5","1") = "8"
    & skf18("9","9","8","2","1","6","1") = "8"
    & skf18("9","9","8","2","1","7","1") = "8"
    & skf18("9","9","8","2","1","8","1") = "8"
    & skf18("9","9","8","2","1","9","1") = "8"
    & skf18("9","9","8","2","1","10","1") = "9"
    & skf18("9","9","8","2","2","1","1") = "8"
    & skf18("9","9","8","2","2","2","1") = "8"
    & skf18("9","9","8","2","2","3","1") = "8"
    & skf18("9","9","8","2","2","4","1") = "8"
    & skf18("9","9","8","2","2","5","1") = "8"
    & skf18("9","9","8","2","2","6","1") = "8"
    & skf18("9","9","8","2","2","7","1") = "8"
    & skf18("9","9","8","2","2","8","1") = "8"
    & skf18("9","9","8","2","2","9","1") = "8"
    & skf18("9","9","8","2","2","10","1") = "9"
    & skf18("9","9","8","2","3","1","1") = "8"
    & skf18("9","9","8","2","3","2","1") = "8"
    & skf18("9","9","8","2","3","3","1") = "8"
    & skf18("9","9","8","2","3","4","1") = "8"
    & skf18("9","9","8","2","3","5","1") = "8"
    & skf18("9","9","8","2","3","6","1") = "8"
    & skf18("9","9","8","2","3","7","1") = "8"
    & skf18("9","9","8","2","3","8","1") = "8"
    & skf18("9","9","8","2","3","9","1") = "8"
    & skf18("9","9","8","2","3","10","1") = "9"
    & skf18("9","9","8","2","4","1","1") = "8"
    & skf18("9","9","8","2","4","2","1") = "8"
    & skf18("9","9","8","2","4","3","1") = "8"
    & skf18("9","9","8","2","4","4","1") = "8"
    & skf18("9","9","8","2","4","5","1") = "8"
    & skf18("9","9","8","2","4","6","1") = "8"
    & skf18("9","9","8","2","4","7","1") = "8"
    & skf18("9","9","8","2","4","8","1") = "8"
    & skf18("9","9","8","2","4","9","1") = "8"
    & skf18("9","9","8","2","4","10","1") = "9"
    & skf18("9","9","8","2","5","1","1") = "8"
    & skf18("9","9","8","2","5","2","1") = "8"
    & skf18("9","9","8","2","5","3","1") = "8"
    & skf18("9","9","8","2","5","4","1") = "8"
    & skf18("9","9","8","2","5","5","1") = "8"
    & skf18("9","9","8","2","5","6","1") = "8"
    & skf18("9","9","8","2","5","7","1") = "8"
    & skf18("9","9","8","2","5","8","1") = "8"
    & skf18("9","9","8","2","5","9","1") = "8"
    & skf18("9","9","8","2","5","10","1") = "9"
    & skf18("9","9","8","2","6","1","1") = "8"
    & skf18("9","9","8","2","6","2","1") = "8"
    & skf18("9","9","8","2","6","3","1") = "8"
    & skf18("9","9","8","2","6","4","1") = "8"
    & skf18("9","9","8","2","6","5","1") = "8"
    & skf18("9","9","8","2","6","6","1") = "8"
    & skf18("9","9","8","2","6","7","1") = "8"
    & skf18("9","9","8","2","6","8","1") = "8"
    & skf18("9","9","8","2","6","9","1") = "8"
    & skf18("9","9","8","2","6","10","1") = "9"
    & skf18("9","9","8","2","7","1","1") = "8"
    & skf18("9","9","8","2","7","2","1") = "8"
    & skf18("9","9","8","2","7","3","1") = "8"
    & skf18("9","9","8","2","7","4","1") = "8"
    & skf18("9","9","8","2","7","5","1") = "8"
    & skf18("9","9","8","2","7","6","1") = "8"
    & skf18("9","9","8","2","7","7","1") = "8"
    & skf18("9","9","8","2","7","8","1") = "8"
    & skf18("9","9","8","2","7","9","1") = "8"
    & skf18("9","9","8","2","7","10","1") = "9"
    & skf18("9","9","8","2","8","1","1") = "8"
    & skf18("9","9","8","2","8","2","1") = "8"
    & skf18("9","9","8","2","8","3","1") = "8"
    & skf18("9","9","8","2","8","4","1") = "8"
    & skf18("9","9","8","2","8","5","1") = "8"
    & skf18("9","9","8","2","8","6","1") = "8"
    & skf18("9","9","8","2","8","7","1") = "8"
    & skf18("9","9","8","2","8","8","1") = "8"
    & skf18("9","9","8","2","8","9","1") = "8"
    & skf18("9","9","8","2","8","10","1") = "9"
    & skf18("9","9","8","2","9","1","1") = "8"
    & skf18("9","9","8","2","9","2","1") = "8"
    & skf18("9","9","8","2","9","3","1") = "8"
    & skf18("9","9","8","2","9","4","1") = "8"
    & skf18("9","9","8","2","9","5","1") = "8"
    & skf18("9","9","8","2","9","6","1") = "8"
    & skf18("9","9","8","2","9","7","1") = "8"
    & skf18("9","9","8","2","9","8","1") = "8"
    & skf18("9","9","8","2","9","9","1") = "8"
    & skf18("9","9","8","2","9","10","1") = "9"
    & skf18("9","9","8","2","10","1","1") = "9"
    & skf18("9","9","8","2","10","2","1") = "9"
    & skf18("9","9","8","2","10","3","1") = "9"
    & skf18("9","9","8","2","10","4","1") = "9"
    & skf18("9","9","8","2","10","5","1") = "9"
    & skf18("9","9","8","2","10","6","1") = "9"
    & skf18("9","9","8","2","10","7","1") = "9"
    & skf18("9","9","8","2","10","8","1") = "9"
    & skf18("9","9","8","2","10","9","1") = "9"
    & skf18("9","9","8","2","10","10","1") = "9"
    & skf18("9","9","8","3","1","1","1") = "8"
    & skf18("9","9","8","3","1","2","1") = "8"
    & skf18("9","9","8","3","1","3","1") = "8"
    & skf18("9","9","8","3","1","4","1") = "8"
    & skf18("9","9","8","3","1","5","1") = "8"
    & skf18("9","9","8","3","1","6","1") = "8"
    & skf18("9","9","8","3","1","7","1") = "8"
    & skf18("9","9","8","3","1","8","1") = "8"
    & skf18("9","9","8","3","1","9","1") = "8"
    & skf18("9","9","8","3","1","10","1") = "9"
    & skf18("9","9","8","3","2","1","1") = "8"
    & skf18("9","9","8","3","2","2","1") = "8"
    & skf18("9","9","8","3","2","3","1") = "8"
    & skf18("9","9","8","3","2","4","1") = "8"
    & skf18("9","9","8","3","2","5","1") = "8"
    & skf18("9","9","8","3","2","6","1") = "8"
    & skf18("9","9","8","3","2","7","1") = "8"
    & skf18("9","9","8","3","2","8","1") = "8"
    & skf18("9","9","8","3","2","9","1") = "8"
    & skf18("9","9","8","3","2","10","1") = "9"
    & skf18("9","9","8","3","3","1","1") = "8"
    & skf18("9","9","8","3","3","2","1") = "8"
    & skf18("9","9","8","3","3","3","1") = "8"
    & skf18("9","9","8","3","3","4","1") = "8"
    & skf18("9","9","8","3","3","5","1") = "8"
    & skf18("9","9","8","3","3","6","1") = "8"
    & skf18("9","9","8","3","3","7","1") = "8"
    & skf18("9","9","8","3","3","8","1") = "8"
    & skf18("9","9","8","3","3","9","1") = "8"
    & skf18("9","9","8","3","3","10","1") = "9"
    & skf18("9","9","8","3","4","1","1") = "8"
    & skf18("9","9","8","3","4","2","1") = "8"
    & skf18("9","9","8","3","4","3","1") = "8"
    & skf18("9","9","8","3","4","4","1") = "8"
    & skf18("9","9","8","3","4","5","1") = "8"
    & skf18("9","9","8","3","4","6","1") = "8"
    & skf18("9","9","8","3","4","7","1") = "8"
    & skf18("9","9","8","3","4","8","1") = "8"
    & skf18("9","9","8","3","4","9","1") = "8"
    & skf18("9","9","8","3","4","10","1") = "9"
    & skf18("9","9","8","3","5","1","1") = "8"
    & skf18("9","9","8","3","5","2","1") = "8"
    & skf18("9","9","8","3","5","3","1") = "8"
    & skf18("9","9","8","3","5","4","1") = "8"
    & skf18("9","9","8","3","5","5","1") = "8"
    & skf18("9","9","8","3","5","6","1") = "8"
    & skf18("9","9","8","3","5","7","1") = "8"
    & skf18("9","9","8","3","5","8","1") = "8"
    & skf18("9","9","8","3","5","9","1") = "8"
    & skf18("9","9","8","3","5","10","1") = "9"
    & skf18("9","9","8","3","6","1","1") = "8"
    & skf18("9","9","8","3","6","2","1") = "8"
    & skf18("9","9","8","3","6","3","1") = "8"
    & skf18("9","9","8","3","6","4","1") = "8"
    & skf18("9","9","8","3","6","5","1") = "8"
    & skf18("9","9","8","3","6","6","1") = "8"
    & skf18("9","9","8","3","6","7","1") = "8"
    & skf18("9","9","8","3","6","8","1") = "8"
    & skf18("9","9","8","3","6","9","1") = "8"
    & skf18("9","9","8","3","6","10","1") = "9"
    & skf18("9","9","8","3","7","1","1") = "8"
    & skf18("9","9","8","3","7","2","1") = "8"
    & skf18("9","9","8","3","7","3","1") = "8"
    & skf18("9","9","8","3","7","4","1") = "8"
    & skf18("9","9","8","3","7","5","1") = "8"
    & skf18("9","9","8","3","7","6","1") = "8"
    & skf18("9","9","8","3","7","7","1") = "8"
    & skf18("9","9","8","3","7","8","1") = "8"
    & skf18("9","9","8","3","7","9","1") = "8"
    & skf18("9","9","8","3","7","10","1") = "9"
    & skf18("9","9","8","3","8","1","1") = "8"
    & skf18("9","9","8","3","8","2","1") = "8"
    & skf18("9","9","8","3","8","3","1") = "8"
    & skf18("9","9","8","3","8","4","1") = "8"
    & skf18("9","9","8","3","8","5","1") = "8"
    & skf18("9","9","8","3","8","6","1") = "8"
    & skf18("9","9","8","3","8","7","1") = "8"
    & skf18("9","9","8","3","8","8","1") = "8"
    & skf18("9","9","8","3","8","9","1") = "8"
    & skf18("9","9","8","3","8","10","1") = "9"
    & skf18("9","9","8","3","9","1","1") = "8"
    & skf18("9","9","8","3","9","2","1") = "8"
    & skf18("9","9","8","3","9","3","1") = "8"
    & skf18("9","9","8","3","9","4","1") = "8"
    & skf18("9","9","8","3","9","5","1") = "8"
    & skf18("9","9","8","3","9","6","1") = "8"
    & skf18("9","9","8","3","9","7","1") = "8"
    & skf18("9","9","8","3","9","8","1") = "8"
    & skf18("9","9","8","3","9","9","1") = "8"
    & skf18("9","9","8","3","9","10","1") = "9"
    & skf18("9","9","8","3","10","1","1") = "9"
    & skf18("9","9","8","3","10","2","1") = "9"
    & skf18("9","9","8","3","10","3","1") = "9"
    & skf18("9","9","8","3","10","4","1") = "9"
    & skf18("9","9","8","3","10","5","1") = "9"
    & skf18("9","9","8","3","10","6","1") = "9"
    & skf18("9","9","8","3","10","7","1") = "9"
    & skf18("9","9","8","3","10","8","1") = "9"
    & skf18("9","9","8","3","10","9","1") = "9"
    & skf18("9","9","8","3","10","10","1") = "9"
    & skf18("9","9","8","4","1","1","1") = "8"
    & skf18("9","9","8","4","1","2","1") = "8"
    & skf18("9","9","8","4","1","3","1") = "8"
    & skf18("9","9","8","4","1","4","1") = "8"
    & skf18("9","9","8","4","1","5","1") = "8"
    & skf18("9","9","8","4","1","6","1") = "8"
    & skf18("9","9","8","4","1","7","1") = "8"
    & skf18("9","9","8","4","1","8","1") = "8"
    & skf18("9","9","8","4","1","9","1") = "8"
    & skf18("9","9","8","4","1","10","1") = "9"
    & skf18("9","9","8","4","2","1","1") = "8"
    & skf18("9","9","8","4","2","2","1") = "8"
    & skf18("9","9","8","4","2","3","1") = "8"
    & skf18("9","9","8","4","2","4","1") = "8"
    & skf18("9","9","8","4","2","5","1") = "8"
    & skf18("9","9","8","4","2","6","1") = "8"
    & skf18("9","9","8","4","2","7","1") = "8"
    & skf18("9","9","8","4","2","8","1") = "8"
    & skf18("9","9","8","4","2","9","1") = "8"
    & skf18("9","9","8","4","2","10","1") = "9"
    & skf18("9","9","8","4","3","1","1") = "8"
    & skf18("9","9","8","4","3","2","1") = "8"
    & skf18("9","9","8","4","3","3","1") = "8"
    & skf18("9","9","8","4","3","4","1") = "8"
    & skf18("9","9","8","4","3","5","1") = "8"
    & skf18("9","9","8","4","3","6","1") = "8"
    & skf18("9","9","8","4","3","7","1") = "8"
    & skf18("9","9","8","4","3","8","1") = "8"
    & skf18("9","9","8","4","3","9","1") = "8"
    & skf18("9","9","8","4","3","10","1") = "9"
    & skf18("9","9","8","4","4","1","1") = "8"
    & skf18("9","9","8","4","4","2","1") = "8"
    & skf18("9","9","8","4","4","3","1") = "8"
    & skf18("9","9","8","4","4","4","1") = "8"
    & skf18("9","9","8","4","4","5","1") = "8"
    & skf18("9","9","8","4","4","6","1") = "8"
    & skf18("9","9","8","4","4","7","1") = "8"
    & skf18("9","9","8","4","4","8","1") = "8"
    & skf18("9","9","8","4","4","9","1") = "8"
    & skf18("9","9","8","4","4","10","1") = "9"
    & skf18("9","9","8","4","5","1","1") = "8"
    & skf18("9","9","8","4","5","2","1") = "8"
    & skf18("9","9","8","4","5","3","1") = "8"
    & skf18("9","9","8","4","5","4","1") = "8"
    & skf18("9","9","8","4","5","5","1") = "8"
    & skf18("9","9","8","4","5","6","1") = "8"
    & skf18("9","9","8","4","5","7","1") = "8"
    & skf18("9","9","8","4","5","8","1") = "8"
    & skf18("9","9","8","4","5","9","1") = "8"
    & skf18("9","9","8","4","5","10","1") = "9"
    & skf18("9","9","8","4","6","1","1") = "8"
    & skf18("9","9","8","4","6","2","1") = "8"
    & skf18("9","9","8","4","6","3","1") = "8"
    & skf18("9","9","8","4","6","4","1") = "8"
    & skf18("9","9","8","4","6","5","1") = "8"
    & skf18("9","9","8","4","6","6","1") = "8"
    & skf18("9","9","8","4","6","7","1") = "8"
    & skf18("9","9","8","4","6","8","1") = "8"
    & skf18("9","9","8","4","6","9","1") = "8"
    & skf18("9","9","8","4","6","10","1") = "9"
    & skf18("9","9","8","4","7","1","1") = "8"
    & skf18("9","9","8","4","7","2","1") = "8"
    & skf18("9","9","8","4","7","3","1") = "8"
    & skf18("9","9","8","4","7","4","1") = "8"
    & skf18("9","9","8","4","7","5","1") = "8"
    & skf18("9","9","8","4","7","6","1") = "8"
    & skf18("9","9","8","4","7","7","1") = "8"
    & skf18("9","9","8","4","7","8","1") = "8"
    & skf18("9","9","8","4","7","9","1") = "8"
    & skf18("9","9","8","4","7","10","1") = "9"
    & skf18("9","9","8","4","8","1","1") = "8"
    & skf18("9","9","8","4","8","2","1") = "8"
    & skf18("9","9","8","4","8","3","1") = "8"
    & skf18("9","9","8","4","8","4","1") = "8"
    & skf18("9","9","8","4","8","5","1") = "8"
    & skf18("9","9","8","4","8","6","1") = "8"
    & skf18("9","9","8","4","8","7","1") = "8"
    & skf18("9","9","8","4","8","8","1") = "8"
    & skf18("9","9","8","4","8","9","1") = "8"
    & skf18("9","9","8","4","8","10","1") = "9"
    & skf18("9","9","8","4","9","1","1") = "8"
    & skf18("9","9","8","4","9","2","1") = "8"
    & skf18("9","9","8","4","9","3","1") = "8"
    & skf18("9","9","8","4","9","4","1") = "8"
    & skf18("9","9","8","4","9","5","1") = "8"
    & skf18("9","9","8","4","9","6","1") = "8"
    & skf18("9","9","8","4","9","7","1") = "8"
    & skf18("9","9","8","4","9","8","1") = "8"
    & skf18("9","9","8","4","9","9","1") = "8"
    & skf18("9","9","8","4","9","10","1") = "9"
    & skf18("9","9","8","4","10","1","1") = "9"
    & skf18("9","9","8","4","10","2","1") = "9"
    & skf18("9","9","8","4","10","3","1") = "9"
    & skf18("9","9","8","4","10","4","1") = "9"
    & skf18("9","9","8","4","10","5","1") = "9"
    & skf18("9","9","8","4","10","6","1") = "9"
    & skf18("9","9","8","4","10","7","1") = "9"
    & skf18("9","9","8","4","10","8","1") = "9"
    & skf18("9","9","8","4","10","9","1") = "9"
    & skf18("9","9","8","4","10","10","1") = "9"
    & skf18("9","9","8","5","1","1","1") = "8"
    & skf18("9","9","8","5","1","2","1") = "8"
    & skf18("9","9","8","5","1","3","1") = "8"
    & skf18("9","9","8","5","1","4","1") = "8"
    & skf18("9","9","8","5","1","5","1") = "8"
    & skf18("9","9","8","5","1","6","1") = "8"
    & skf18("9","9","8","5","1","7","1") = "8"
    & skf18("9","9","8","5","1","8","1") = "8"
    & skf18("9","9","8","5","1","9","1") = "8"
    & skf18("9","9","8","5","1","10","1") = "9"
    & skf18("9","9","8","5","2","1","1") = "8"
    & skf18("9","9","8","5","2","2","1") = "8"
    & skf18("9","9","8","5","2","3","1") = "8"
    & skf18("9","9","8","5","2","4","1") = "8"
    & skf18("9","9","8","5","2","5","1") = "8"
    & skf18("9","9","8","5","2","6","1") = "8"
    & skf18("9","9","8","5","2","7","1") = "8"
    & skf18("9","9","8","5","2","8","1") = "8"
    & skf18("9","9","8","5","2","9","1") = "8"
    & skf18("9","9","8","5","2","10","1") = "9"
    & skf18("9","9","8","5","3","1","1") = "8"
    & skf18("9","9","8","5","3","2","1") = "8"
    & skf18("9","9","8","5","3","3","1") = "8"
    & skf18("9","9","8","5","3","4","1") = "8"
    & skf18("9","9","8","5","3","5","1") = "8"
    & skf18("9","9","8","5","3","6","1") = "8"
    & skf18("9","9","8","5","3","7","1") = "8"
    & skf18("9","9","8","5","3","8","1") = "8"
    & skf18("9","9","8","5","3","9","1") = "8"
    & skf18("9","9","8","5","3","10","1") = "9"
    & skf18("9","9","8","5","4","1","1") = "8"
    & skf18("9","9","8","5","4","2","1") = "8"
    & skf18("9","9","8","5","4","3","1") = "8"
    & skf18("9","9","8","5","4","4","1") = "8"
    & skf18("9","9","8","5","4","5","1") = "8"
    & skf18("9","9","8","5","4","6","1") = "8"
    & skf18("9","9","8","5","4","7","1") = "8"
    & skf18("9","9","8","5","4","8","1") = "8"
    & skf18("9","9","8","5","4","9","1") = "8"
    & skf18("9","9","8","5","4","10","1") = "9"
    & skf18("9","9","8","5","5","1","1") = "8"
    & skf18("9","9","8","5","5","2","1") = "8"
    & skf18("9","9","8","5","5","3","1") = "8"
    & skf18("9","9","8","5","5","4","1") = "8"
    & skf18("9","9","8","5","5","5","1") = "8"
    & skf18("9","9","8","5","5","6","1") = "8"
    & skf18("9","9","8","5","5","7","1") = "8"
    & skf18("9","9","8","5","5","8","1") = "8"
    & skf18("9","9","8","5","5","9","1") = "8"
    & skf18("9","9","8","5","5","10","1") = "9"
    & skf18("9","9","8","5","6","1","1") = "8"
    & skf18("9","9","8","5","6","2","1") = "8"
    & skf18("9","9","8","5","6","3","1") = "8"
    & skf18("9","9","8","5","6","4","1") = "8"
    & skf18("9","9","8","5","6","5","1") = "8"
    & skf18("9","9","8","5","6","6","1") = "8"
    & skf18("9","9","8","5","6","7","1") = "8"
    & skf18("9","9","8","5","6","8","1") = "8"
    & skf18("9","9","8","5","6","9","1") = "8"
    & skf18("9","9","8","5","6","10","1") = "9"
    & skf18("9","9","8","5","7","1","1") = "8"
    & skf18("9","9","8","5","7","2","1") = "8"
    & skf18("9","9","8","5","7","3","1") = "8"
    & skf18("9","9","8","5","7","4","1") = "8"
    & skf18("9","9","8","5","7","5","1") = "8"
    & skf18("9","9","8","5","7","6","1") = "8"
    & skf18("9","9","8","5","7","7","1") = "8"
    & skf18("9","9","8","5","7","8","1") = "8"
    & skf18("9","9","8","5","7","9","1") = "8"
    & skf18("9","9","8","5","7","10","1") = "9"
    & skf18("9","9","8","5","8","1","1") = "8"
    & skf18("9","9","8","5","8","2","1") = "8"
    & skf18("9","9","8","5","8","3","1") = "8"
    & skf18("9","9","8","5","8","4","1") = "8"
    & skf18("9","9","8","5","8","5","1") = "8"
    & skf18("9","9","8","5","8","6","1") = "8"
    & skf18("9","9","8","5","8","7","1") = "8"
    & skf18("9","9","8","5","8","8","1") = "8"
    & skf18("9","9","8","5","8","9","1") = "8"
    & skf18("9","9","8","5","8","10","1") = "9"
    & skf18("9","9","8","5","9","1","1") = "8"
    & skf18("9","9","8","5","9","2","1") = "8"
    & skf18("9","9","8","5","9","3","1") = "8"
    & skf18("9","9","8","5","9","4","1") = "8"
    & skf18("9","9","8","5","9","5","1") = "8"
    & skf18("9","9","8","5","9","6","1") = "8"
    & skf18("9","9","8","5","9","7","1") = "8"
    & skf18("9","9","8","5","9","8","1") = "8"
    & skf18("9","9","8","5","9","9","1") = "8"
    & skf18("9","9","8","5","9","10","1") = "9"
    & skf18("9","9","8","5","10","1","1") = "9"
    & skf18("9","9","8","5","10","2","1") = "9"
    & skf18("9","9","8","5","10","3","1") = "9"
    & skf18("9","9","8","5","10","4","1") = "9"
    & skf18("9","9","8","5","10","5","1") = "9"
    & skf18("9","9","8","5","10","6","1") = "9"
    & skf18("9","9","8","5","10","7","1") = "9"
    & skf18("9","9","8","5","10","8","1") = "9"
    & skf18("9","9","8","5","10","9","1") = "9"
    & skf18("9","9","8","5","10","10","1") = "9"
    & skf18("9","9","8","6","1","1","1") = "8"
    & skf18("9","9","8","6","1","2","1") = "8"
    & skf18("9","9","8","6","1","3","1") = "8"
    & skf18("9","9","8","6","1","4","1") = "8"
    & skf18("9","9","8","6","1","5","1") = "8"
    & skf18("9","9","8","6","1","6","1") = "8"
    & skf18("9","9","8","6","1","7","1") = "8"
    & skf18("9","9","8","6","1","8","1") = "8"
    & skf18("9","9","8","6","1","9","1") = "8"
    & skf18("9","9","8","6","1","10","1") = "9"
    & skf18("9","9","8","6","2","1","1") = "8"
    & skf18("9","9","8","6","2","2","1") = "8"
    & skf18("9","9","8","6","2","3","1") = "8"
    & skf18("9","9","8","6","2","4","1") = "8"
    & skf18("9","9","8","6","2","5","1") = "8"
    & skf18("9","9","8","6","2","6","1") = "8"
    & skf18("9","9","8","6","2","7","1") = "8"
    & skf18("9","9","8","6","2","8","1") = "8"
    & skf18("9","9","8","6","2","9","1") = "8"
    & skf18("9","9","8","6","2","10","1") = "9"
    & skf18("9","9","8","6","3","1","1") = "8"
    & skf18("9","9","8","6","3","2","1") = "8"
    & skf18("9","9","8","6","3","3","1") = "8"
    & skf18("9","9","8","6","3","4","1") = "8"
    & skf18("9","9","8","6","3","5","1") = "8"
    & skf18("9","9","8","6","3","6","1") = "8"
    & skf18("9","9","8","6","3","7","1") = "8"
    & skf18("9","9","8","6","3","8","1") = "8"
    & skf18("9","9","8","6","3","9","1") = "8"
    & skf18("9","9","8","6","3","10","1") = "9"
    & skf18("9","9","8","6","4","1","1") = "8"
    & skf18("9","9","8","6","4","2","1") = "8"
    & skf18("9","9","8","6","4","3","1") = "8"
    & skf18("9","9","8","6","4","4","1") = "8"
    & skf18("9","9","8","6","4","5","1") = "8"
    & skf18("9","9","8","6","4","6","1") = "8"
    & skf18("9","9","8","6","4","7","1") = "8"
    & skf18("9","9","8","6","4","8","1") = "8"
    & skf18("9","9","8","6","4","9","1") = "8"
    & skf18("9","9","8","6","4","10","1") = "9"
    & skf18("9","9","8","6","5","1","1") = "8"
    & skf18("9","9","8","6","5","2","1") = "8"
    & skf18("9","9","8","6","5","3","1") = "8"
    & skf18("9","9","8","6","5","4","1") = "8"
    & skf18("9","9","8","6","5","5","1") = "8"
    & skf18("9","9","8","6","5","6","1") = "8"
    & skf18("9","9","8","6","5","7","1") = "8"
    & skf18("9","9","8","6","5","8","1") = "8"
    & skf18("9","9","8","6","5","9","1") = "8"
    & skf18("9","9","8","6","5","10","1") = "9"
    & skf18("9","9","8","6","6","1","1") = "8"
    & skf18("9","9","8","6","6","2","1") = "8"
    & skf18("9","9","8","6","6","3","1") = "8"
    & skf18("9","9","8","6","6","4","1") = "8"
    & skf18("9","9","8","6","6","5","1") = "8"
    & skf18("9","9","8","6","6","6","1") = "8"
    & skf18("9","9","8","6","6","7","1") = "8"
    & skf18("9","9","8","6","6","8","1") = "8"
    & skf18("9","9","8","6","6","9","1") = "8"
    & skf18("9","9","8","6","6","10","1") = "9"
    & skf18("9","9","8","6","7","1","1") = "8"
    & skf18("9","9","8","6","7","2","1") = "8"
    & skf18("9","9","8","6","7","3","1") = "8"
    & skf18("9","9","8","6","7","4","1") = "8"
    & skf18("9","9","8","6","7","5","1") = "8"
    & skf18("9","9","8","6","7","6","1") = "8"
    & skf18("9","9","8","6","7","7","1") = "8"
    & skf18("9","9","8","6","7","8","1") = "8"
    & skf18("9","9","8","6","7","9","1") = "8"
    & skf18("9","9","8","6","7","10","1") = "9"
    & skf18("9","9","8","6","8","1","1") = "8"
    & skf18("9","9","8","6","8","2","1") = "8"
    & skf18("9","9","8","6","8","3","1") = "8"
    & skf18("9","9","8","6","8","4","1") = "8"
    & skf18("9","9","8","6","8","5","1") = "8"
    & skf18("9","9","8","6","8","6","1") = "8"
    & skf18("9","9","8","6","8","7","1") = "8"
    & skf18("9","9","8","6","8","8","1") = "8"
    & skf18("9","9","8","6","8","9","1") = "8"
    & skf18("9","9","8","6","8","10","1") = "9"
    & skf18("9","9","8","6","9","1","1") = "8"
    & skf18("9","9","8","6","9","2","1") = "8"
    & skf18("9","9","8","6","9","3","1") = "8"
    & skf18("9","9","8","6","9","4","1") = "8"
    & skf18("9","9","8","6","9","5","1") = "8"
    & skf18("9","9","8","6","9","6","1") = "8"
    & skf18("9","9","8","6","9","7","1") = "8"
    & skf18("9","9","8","6","9","8","1") = "8"
    & skf18("9","9","8","6","9","9","1") = "8"
    & skf18("9","9","8","6","9","10","1") = "9"
    & skf18("9","9","8","6","10","1","1") = "9"
    & skf18("9","9","8","6","10","2","1") = "9"
    & skf18("9","9","8","6","10","3","1") = "9"
    & skf18("9","9","8","6","10","4","1") = "9"
    & skf18("9","9","8","6","10","5","1") = "9"
    & skf18("9","9","8","6","10","6","1") = "9"
    & skf18("9","9","8","6","10","7","1") = "9"
    & skf18("9","9","8","6","10","8","1") = "9"
    & skf18("9","9","8","6","10","9","1") = "9"
    & skf18("9","9","8","6","10","10","1") = "9"
    & skf18("9","9","8","7","1","1","1") = "8"
    & skf18("9","9","8","7","1","2","1") = "8"
    & skf18("9","9","8","7","1","3","1") = "8"
    & skf18("9","9","8","7","1","4","1") = "8"
    & skf18("9","9","8","7","1","5","1") = "8"
    & skf18("9","9","8","7","1","6","1") = "8"
    & skf18("9","9","8","7","1","7","1") = "8"
    & skf18("9","9","8","7","1","8","1") = "8"
    & skf18("9","9","8","7","1","9","1") = "8"
    & skf18("9","9","8","7","1","10","1") = "9"
    & skf18("9","9","8","7","2","1","1") = "8"
    & skf18("9","9","8","7","2","2","1") = "8"
    & skf18("9","9","8","7","2","3","1") = "8"
    & skf18("9","9","8","7","2","4","1") = "8"
    & skf18("9","9","8","7","2","5","1") = "8"
    & skf18("9","9","8","7","2","6","1") = "8"
    & skf18("9","9","8","7","2","7","1") = "8"
    & skf18("9","9","8","7","2","8","1") = "8"
    & skf18("9","9","8","7","2","9","1") = "8"
    & skf18("9","9","8","7","2","10","1") = "9"
    & skf18("9","9","8","7","3","1","1") = "8"
    & skf18("9","9","8","7","3","2","1") = "8"
    & skf18("9","9","8","7","3","3","1") = "8"
    & skf18("9","9","8","7","3","4","1") = "8"
    & skf18("9","9","8","7","3","5","1") = "8"
    & skf18("9","9","8","7","3","6","1") = "8"
    & skf18("9","9","8","7","3","7","1") = "8"
    & skf18("9","9","8","7","3","8","1") = "8"
    & skf18("9","9","8","7","3","9","1") = "8"
    & skf18("9","9","8","7","3","10","1") = "9"
    & skf18("9","9","8","7","4","1","1") = "8"
    & skf18("9","9","8","7","4","2","1") = "8"
    & skf18("9","9","8","7","4","3","1") = "8"
    & skf18("9","9","8","7","4","4","1") = "8"
    & skf18("9","9","8","7","4","5","1") = "8"
    & skf18("9","9","8","7","4","6","1") = "8"
    & skf18("9","9","8","7","4","7","1") = "8"
    & skf18("9","9","8","7","4","8","1") = "8"
    & skf18("9","9","8","7","4","9","1") = "8"
    & skf18("9","9","8","7","4","10","1") = "9"
    & skf18("9","9","8","7","5","1","1") = "8"
    & skf18("9","9","8","7","5","2","1") = "8"
    & skf18("9","9","8","7","5","3","1") = "8"
    & skf18("9","9","8","7","5","4","1") = "8"
    & skf18("9","9","8","7","5","5","1") = "8"
    & skf18("9","9","8","7","5","6","1") = "8"
    & skf18("9","9","8","7","5","7","1") = "8"
    & skf18("9","9","8","7","5","8","1") = "8"
    & skf18("9","9","8","7","5","9","1") = "8"
    & skf18("9","9","8","7","5","10","1") = "9"
    & skf18("9","9","8","7","6","1","1") = "8"
    & skf18("9","9","8","7","6","2","1") = "8"
    & skf18("9","9","8","7","6","3","1") = "8"
    & skf18("9","9","8","7","6","4","1") = "8"
    & skf18("9","9","8","7","6","5","1") = "8"
    & skf18("9","9","8","7","6","6","1") = "8"
    & skf18("9","9","8","7","6","7","1") = "8"
    & skf18("9","9","8","7","6","8","1") = "8"
    & skf18("9","9","8","7","6","9","1") = "8"
    & skf18("9","9","8","7","6","10","1") = "9"
    & skf18("9","9","8","7","7","1","1") = "8"
    & skf18("9","9","8","7","7","2","1") = "8"
    & skf18("9","9","8","7","7","3","1") = "8"
    & skf18("9","9","8","7","7","4","1") = "8"
    & skf18("9","9","8","7","7","5","1") = "8"
    & skf18("9","9","8","7","7","6","1") = "8"
    & skf18("9","9","8","7","7","7","1") = "8"
    & skf18("9","9","8","7","7","8","1") = "8"
    & skf18("9","9","8","7","7","9","1") = "8"
    & skf18("9","9","8","7","7","10","1") = "9"
    & skf18("9","9","8","7","8","1","1") = "8"
    & skf18("9","9","8","7","8","2","1") = "8"
    & skf18("9","9","8","7","8","3","1") = "8"
    & skf18("9","9","8","7","8","4","1") = "8"
    & skf18("9","9","8","7","8","5","1") = "8"
    & skf18("9","9","8","7","8","6","1") = "8"
    & skf18("9","9","8","7","8","7","1") = "8"
    & skf18("9","9","8","7","8","8","1") = "8"
    & skf18("9","9","8","7","8","9","1") = "8"
    & skf18("9","9","8","7","8","10","1") = "9"
    & skf18("9","9","8","7","9","1","1") = "8"
    & skf18("9","9","8","7","9","2","1") = "8"
    & skf18("9","9","8","7","9","3","1") = "8"
    & skf18("9","9","8","7","9","4","1") = "8"
    & skf18("9","9","8","7","9","5","1") = "8"
    & skf18("9","9","8","7","9","6","1") = "8"
    & skf18("9","9","8","7","9","7","1") = "8"
    & skf18("9","9","8","7","9","8","1") = "8"
    & skf18("9","9","8","7","9","9","1") = "8"
    & skf18("9","9","8","7","9","10","1") = "9"
    & skf18("9","9","8","7","10","1","1") = "9"
    & skf18("9","9","8","7","10","2","1") = "9"
    & skf18("9","9","8","7","10","3","1") = "9"
    & skf18("9","9","8","7","10","4","1") = "9"
    & skf18("9","9","8","7","10","5","1") = "9"
    & skf18("9","9","8","7","10","6","1") = "9"
    & skf18("9","9","8","7","10","7","1") = "9"
    & skf18("9","9","8","7","10","8","1") = "9"
    & skf18("9","9","8","7","10","9","1") = "9"
    & skf18("9","9","8","7","10","10","1") = "9"
    & skf18("9","9","8","8","1","1","1") = "8"
    & skf18("9","9","8","8","1","2","1") = "8"
    & skf18("9","9","8","8","1","3","1") = "8"
    & skf18("9","9","8","8","1","4","1") = "8"
    & skf18("9","9","8","8","1","5","1") = "8"
    & skf18("9","9","8","8","1","6","1") = "8"
    & skf18("9","9","8","8","1","7","1") = "8"
    & skf18("9","9","8","8","1","8","1") = "8"
    & skf18("9","9","8","8","1","9","1") = "8"
    & skf18("9","9","8","8","1","10","1") = "9"
    & skf18("9","9","8","8","2","1","1") = "8"
    & skf18("9","9","8","8","2","2","1") = "8"
    & skf18("9","9","8","8","2","3","1") = "8"
    & skf18("9","9","8","8","2","4","1") = "8"
    & skf18("9","9","8","8","2","5","1") = "8"
    & skf18("9","9","8","8","2","6","1") = "8"
    & skf18("9","9","8","8","2","7","1") = "8"
    & skf18("9","9","8","8","2","8","1") = "8"
    & skf18("9","9","8","8","2","9","1") = "8"
    & skf18("9","9","8","8","2","10","1") = "9"
    & skf18("9","9","8","8","3","1","1") = "8"
    & skf18("9","9","8","8","3","2","1") = "8"
    & skf18("9","9","8","8","3","3","1") = "8"
    & skf18("9","9","8","8","3","4","1") = "8"
    & skf18("9","9","8","8","3","5","1") = "8"
    & skf18("9","9","8","8","3","6","1") = "8"
    & skf18("9","9","8","8","3","7","1") = "8"
    & skf18("9","9","8","8","3","8","1") = "8"
    & skf18("9","9","8","8","3","9","1") = "8"
    & skf18("9","9","8","8","3","10","1") = "9"
    & skf18("9","9","8","8","4","1","1") = "8"
    & skf18("9","9","8","8","4","2","1") = "8"
    & skf18("9","9","8","8","4","3","1") = "8"
    & skf18("9","9","8","8","4","4","1") = "8"
    & skf18("9","9","8","8","4","5","1") = "8"
    & skf18("9","9","8","8","4","6","1") = "8"
    & skf18("9","9","8","8","4","7","1") = "8"
    & skf18("9","9","8","8","4","8","1") = "8"
    & skf18("9","9","8","8","4","9","1") = "8"
    & skf18("9","9","8","8","4","10","1") = "9"
    & skf18("9","9","8","8","5","1","1") = "8"
    & skf18("9","9","8","8","5","2","1") = "8"
    & skf18("9","9","8","8","5","3","1") = "8"
    & skf18("9","9","8","8","5","4","1") = "8"
    & skf18("9","9","8","8","5","5","1") = "8"
    & skf18("9","9","8","8","5","6","1") = "8"
    & skf18("9","9","8","8","5","7","1") = "8"
    & skf18("9","9","8","8","5","8","1") = "8"
    & skf18("9","9","8","8","5","9","1") = "8"
    & skf18("9","9","8","8","5","10","1") = "9"
    & skf18("9","9","8","8","6","1","1") = "8"
    & skf18("9","9","8","8","6","2","1") = "8"
    & skf18("9","9","8","8","6","3","1") = "8"
    & skf18("9","9","8","8","6","4","1") = "8"
    & skf18("9","9","8","8","6","5","1") = "8"
    & skf18("9","9","8","8","6","6","1") = "8"
    & skf18("9","9","8","8","6","7","1") = "8"
    & skf18("9","9","8","8","6","8","1") = "8"
    & skf18("9","9","8","8","6","9","1") = "8"
    & skf18("9","9","8","8","6","10","1") = "9"
    & skf18("9","9","8","8","7","1","1") = "8"
    & skf18("9","9","8","8","7","2","1") = "8"
    & skf18("9","9","8","8","7","3","1") = "8"
    & skf18("9","9","8","8","7","4","1") = "8"
    & skf18("9","9","8","8","7","5","1") = "8"
    & skf18("9","9","8","8","7","6","1") = "8"
    & skf18("9","9","8","8","7","7","1") = "8"
    & skf18("9","9","8","8","7","8","1") = "8"
    & skf18("9","9","8","8","7","9","1") = "8"
    & skf18("9","9","8","8","7","10","1") = "9"
    & skf18("9","9","8","8","8","1","1") = "8"
    & skf18("9","9","8","8","8","2","1") = "8"
    & skf18("9","9","8","8","8","3","1") = "8"
    & skf18("9","9","8","8","8","4","1") = "8"
    & skf18("9","9","8","8","8","5","1") = "8"
    & skf18("9","9","8","8","8","6","1") = "8"
    & skf18("9","9","8","8","8","7","1") = "8"
    & skf18("9","9","8","8","8","8","1") = "8"
    & skf18("9","9","8","8","8","9","1") = "8"
    & skf18("9","9","8","8","8","10","1") = "9"
    & skf18("9","9","8","8","9","1","1") = "8"
    & skf18("9","9","8","8","9","2","1") = "8"
    & skf18("9","9","8","8","9","3","1") = "8"
    & skf18("9","9","8","8","9","4","1") = "8"
    & skf18("9","9","8","8","9","5","1") = "8"
    & skf18("9","9","8","8","9","6","1") = "8"
    & skf18("9","9","8","8","9","7","1") = "8"
    & skf18("9","9","8","8","9","8","1") = "8"
    & skf18("9","9","8","8","9","9","1") = "8"
    & skf18("9","9","8","8","9","10","1") = "9"
    & skf18("9","9","8","8","10","1","1") = "9"
    & skf18("9","9","8","8","10","2","1") = "9"
    & skf18("9","9","8","8","10","3","1") = "9"
    & skf18("9","9","8","8","10","4","1") = "9"
    & skf18("9","9","8","8","10","5","1") = "9"
    & skf18("9","9","8","8","10","6","1") = "9"
    & skf18("9","9","8","8","10","7","1") = "9"
    & skf18("9","9","8","8","10","8","1") = "9"
    & skf18("9","9","8","8","10","9","1") = "9"
    & skf18("9","9","8","8","10","10","1") = "9"
    & skf18("9","9","8","9","1","1","1") = "8"
    & skf18("9","9","8","9","1","2","1") = "8"
    & skf18("9","9","8","9","1","3","1") = "8"
    & skf18("9","9","8","9","1","4","1") = "8"
    & skf18("9","9","8","9","1","5","1") = "8"
    & skf18("9","9","8","9","1","6","1") = "8"
    & skf18("9","9","8","9","1","7","1") = "8"
    & skf18("9","9","8","9","1","8","1") = "8"
    & skf18("9","9","8","9","1","9","1") = "8"
    & skf18("9","9","8","9","1","10","1") = "9"
    & skf18("9","9","8","9","2","1","1") = "8"
    & skf18("9","9","8","9","2","2","1") = "8"
    & skf18("9","9","8","9","2","3","1") = "8"
    & skf18("9","9","8","9","2","4","1") = "8"
    & skf18("9","9","8","9","2","5","1") = "8"
    & skf18("9","9","8","9","2","6","1") = "8"
    & skf18("9","9","8","9","2","7","1") = "8"
    & skf18("9","9","8","9","2","8","1") = "8"
    & skf18("9","9","8","9","2","9","1") = "8"
    & skf18("9","9","8","9","2","10","1") = "9"
    & skf18("9","9","8","9","3","1","1") = "8"
    & skf18("9","9","8","9","3","2","1") = "8"
    & skf18("9","9","8","9","3","3","1") = "8"
    & skf18("9","9","8","9","3","4","1") = "8"
    & skf18("9","9","8","9","3","5","1") = "8"
    & skf18("9","9","8","9","3","6","1") = "8"
    & skf18("9","9","8","9","3","7","1") = "8"
    & skf18("9","9","8","9","3","8","1") = "8"
    & skf18("9","9","8","9","3","9","1") = "8"
    & skf18("9","9","8","9","3","10","1") = "9"
    & skf18("9","9","8","9","4","1","1") = "8"
    & skf18("9","9","8","9","4","2","1") = "8"
    & skf18("9","9","8","9","4","3","1") = "8"
    & skf18("9","9","8","9","4","4","1") = "8"
    & skf18("9","9","8","9","4","5","1") = "8"
    & skf18("9","9","8","9","4","6","1") = "8"
    & skf18("9","9","8","9","4","7","1") = "8"
    & skf18("9","9","8","9","4","8","1") = "8"
    & skf18("9","9","8","9","4","9","1") = "8"
    & skf18("9","9","8","9","4","10","1") = "9"
    & skf18("9","9","8","9","5","1","1") = "8"
    & skf18("9","9","8","9","5","2","1") = "8"
    & skf18("9","9","8","9","5","3","1") = "8"
    & skf18("9","9","8","9","5","4","1") = "8"
    & skf18("9","9","8","9","5","5","1") = "8"
    & skf18("9","9","8","9","5","6","1") = "8"
    & skf18("9","9","8","9","5","7","1") = "8"
    & skf18("9","9","8","9","5","8","1") = "8"
    & skf18("9","9","8","9","5","9","1") = "8"
    & skf18("9","9","8","9","5","10","1") = "9"
    & skf18("9","9","8","9","6","1","1") = "8"
    & skf18("9","9","8","9","6","2","1") = "8"
    & skf18("9","9","8","9","6","3","1") = "8"
    & skf18("9","9","8","9","6","4","1") = "8"
    & skf18("9","9","8","9","6","5","1") = "8"
    & skf18("9","9","8","9","6","6","1") = "8"
    & skf18("9","9","8","9","6","7","1") = "8"
    & skf18("9","9","8","9","6","8","1") = "8"
    & skf18("9","9","8","9","6","9","1") = "8"
    & skf18("9","9","8","9","6","10","1") = "9"
    & skf18("9","9","8","9","7","1","1") = "8"
    & skf18("9","9","8","9","7","2","1") = "8"
    & skf18("9","9","8","9","7","3","1") = "8"
    & skf18("9","9","8","9","7","4","1") = "8"
    & skf18("9","9","8","9","7","5","1") = "8"
    & skf18("9","9","8","9","7","6","1") = "8"
    & skf18("9","9","8","9","7","7","1") = "8"
    & skf18("9","9","8","9","7","8","1") = "8"
    & skf18("9","9","8","9","7","9","1") = "8"
    & skf18("9","9","8","9","7","10","1") = "9"
    & skf18("9","9","8","9","8","1","1") = "8"
    & skf18("9","9","8","9","8","2","1") = "8"
    & skf18("9","9","8","9","8","3","1") = "8"
    & skf18("9","9","8","9","8","4","1") = "8"
    & skf18("9","9","8","9","8","5","1") = "8"
    & skf18("9","9","8","9","8","6","1") = "8"
    & skf18("9","9","8","9","8","7","1") = "8"
    & skf18("9","9","8","9","8","8","1") = "8"
    & skf18("9","9","8","9","8","9","1") = "8"
    & skf18("9","9","8","9","8","10","1") = "9"
    & skf18("9","9","8","9","9","1","1") = "8"
    & skf18("9","9","8","9","9","2","1") = "8"
    & skf18("9","9","8","9","9","3","1") = "8"
    & skf18("9","9","8","9","9","4","1") = "8"
    & skf18("9","9","8","9","9","5","1") = "8"
    & skf18("9","9","8","9","9","6","1") = "8"
    & skf18("9","9","8","9","9","7","1") = "8"
    & skf18("9","9","8","9","9","8","1") = "8"
    & skf18("9","9","8","9","9","9","1") = "8"
    & skf18("9","9","8","9","9","10","1") = "9"
    & skf18("9","9","8","9","10","1","1") = "9"
    & skf18("9","9","8","9","10","2","1") = "9"
    & skf18("9","9","8","9","10","3","1") = "9"
    & skf18("9","9","8","9","10","4","1") = "9"
    & skf18("9","9","8","9","10","5","1") = "9"
    & skf18("9","9","8","9","10","6","1") = "9"
    & skf18("9","9","8","9","10","7","1") = "9"
    & skf18("9","9","8","9","10","8","1") = "9"
    & skf18("9","9","8","9","10","9","1") = "9"
    & skf18("9","9","8","9","10","10","1") = "9"
    & skf18("9","9","8","10","1","1","1") = "9"
    & skf18("9","9","8","10","1","2","1") = "9"
    & skf18("9","9","8","10","1","3","1") = "9"
    & skf18("9","9","8","10","1","4","1") = "9"
    & skf18("9","9","8","10","1","5","1") = "9"
    & skf18("9","9","8","10","1","6","1") = "9"
    & skf18("9","9","8","10","1","7","1") = "9"
    & skf18("9","9","8","10","1","8","1") = "9"
    & skf18("9","9","8","10","1","9","1") = "9"
    & skf18("9","9","8","10","1","10","1") = "9"
    & skf18("9","9","8","10","2","1","1") = "9"
    & skf18("9","9","8","10","2","2","1") = "9"
    & skf18("9","9","8","10","2","3","1") = "9"
    & skf18("9","9","8","10","2","4","1") = "9"
    & skf18("9","9","8","10","2","5","1") = "9"
    & skf18("9","9","8","10","2","6","1") = "9"
    & skf18("9","9","8","10","2","7","1") = "9"
    & skf18("9","9","8","10","2","8","1") = "9"
    & skf18("9","9","8","10","2","9","1") = "9"
    & skf18("9","9","8","10","2","10","1") = "9"
    & skf18("9","9","8","10","3","1","1") = "9"
    & skf18("9","9","8","10","3","2","1") = "9"
    & skf18("9","9","8","10","3","3","1") = "9"
    & skf18("9","9","8","10","3","4","1") = "9"
    & skf18("9","9","8","10","3","5","1") = "9"
    & skf18("9","9","8","10","3","6","1") = "9"
    & skf18("9","9","8","10","3","7","1") = "9"
    & skf18("9","9","8","10","3","8","1") = "9"
    & skf18("9","9","8","10","3","9","1") = "9"
    & skf18("9","9","8","10","3","10","1") = "9"
    & skf18("9","9","8","10","4","1","1") = "9"
    & skf18("9","9","8","10","4","2","1") = "9"
    & skf18("9","9","8","10","4","3","1") = "9"
    & skf18("9","9","8","10","4","4","1") = "9"
    & skf18("9","9","8","10","4","5","1") = "9"
    & skf18("9","9","8","10","4","6","1") = "9"
    & skf18("9","9","8","10","4","7","1") = "9"
    & skf18("9","9","8","10","4","8","1") = "9"
    & skf18("9","9","8","10","4","9","1") = "9"
    & skf18("9","9","8","10","4","10","1") = "9"
    & skf18("9","9","8","10","5","1","1") = "9"
    & skf18("9","9","8","10","5","2","1") = "9"
    & skf18("9","9","8","10","5","3","1") = "9"
    & skf18("9","9","8","10","5","4","1") = "9"
    & skf18("9","9","8","10","5","5","1") = "9"
    & skf18("9","9","8","10","5","6","1") = "9"
    & skf18("9","9","8","10","5","7","1") = "9"
    & skf18("9","9","8","10","5","8","1") = "9"
    & skf18("9","9","8","10","5","9","1") = "9"
    & skf18("9","9","8","10","5","10","1") = "9"
    & skf18("9","9","8","10","6","1","1") = "9"
    & skf18("9","9","8","10","6","2","1") = "9"
    & skf18("9","9","8","10","6","3","1") = "9"
    & skf18("9","9","8","10","6","4","1") = "9"
    & skf18("9","9","8","10","6","5","1") = "9"
    & skf18("9","9","8","10","6","6","1") = "9"
    & skf18("9","9","8","10","6","7","1") = "9"
    & skf18("9","9","8","10","6","8","1") = "9"
    & skf18("9","9","8","10","6","9","1") = "9"
    & skf18("9","9","8","10","6","10","1") = "9"
    & skf18("9","9","8","10","7","1","1") = "9"
    & skf18("9","9","8","10","7","2","1") = "9"
    & skf18("9","9","8","10","7","3","1") = "9"
    & skf18("9","9","8","10","7","4","1") = "9"
    & skf18("9","9","8","10","7","5","1") = "9"
    & skf18("9","9","8","10","7","6","1") = "9"
    & skf18("9","9","8","10","7","7","1") = "9"
    & skf18("9","9","8","10","7","8","1") = "9"
    & skf18("9","9","8","10","7","9","1") = "9"
    & skf18("9","9","8","10","7","10","1") = "9"
    & skf18("9","9","8","10","8","1","1") = "9"
    & skf18("9","9","8","10","8","2","1") = "9"
    & skf18("9","9","8","10","8","3","1") = "9"
    & skf18("9","9","8","10","8","4","1") = "9"
    & skf18("9","9","8","10","8","5","1") = "9"
    & skf18("9","9","8","10","8","6","1") = "9"
    & skf18("9","9","8","10","8","7","1") = "9"
    & skf18("9","9","8","10","8","8","1") = "9"
    & skf18("9","9","8","10","8","9","1") = "9"
    & skf18("9","9","8","10","8","10","1") = "9"
    & skf18("9","9","8","10","9","1","1") = "9"
    & skf18("9","9","8","10","9","2","1") = "9"
    & skf18("9","9","8","10","9","3","1") = "9"
    & skf18("9","9","8","10","9","4","1") = "9"
    & skf18("9","9","8","10","9","5","1") = "9"
    & skf18("9","9","8","10","9","6","1") = "9"
    & skf18("9","9","8","10","9","7","1") = "9"
    & skf18("9","9","8","10","9","8","1") = "9"
    & skf18("9","9","8","10","9","9","1") = "9"
    & skf18("9","9","8","10","9","10","1") = "9"
    & skf18("9","9","8","10","10","1","1") = "9"
    & skf18("9","9","8","10","10","2","1") = "9"
    & skf18("9","9","8","10","10","3","1") = "9"
    & skf18("9","9","8","10","10","4","1") = "9"
    & skf18("9","9","8","10","10","5","1") = "9"
    & skf18("9","9","8","10","10","6","1") = "9"
    & skf18("9","9","8","10","10","7","1") = "9"
    & skf18("9","9","8","10","10","8","1") = "9"
    & skf18("9","9","8","10","10","9","1") = "9"
    & skf18("9","9","8","10","10","10","1") = "9"
    & skf18("9","9","9","1","1","1","1") = "8"
    & skf18("9","9","9","1","1","2","1") = "8"
    & skf18("9","9","9","1","1","3","1") = "8"
    & skf18("9","9","9","1","1","4","1") = "8"
    & skf18("9","9","9","1","1","5","1") = "8"
    & skf18("9","9","9","1","1","6","1") = "8"
    & skf18("9","9","9","1","1","7","1") = "8"
    & skf18("9","9","9","1","1","8","1") = "8"
    & skf18("9","9","9","1","1","9","1") = "8"
    & skf18("9","9","9","1","1","10","1") = "9"
    & skf18("9","9","9","1","2","1","1") = "8"
    & skf18("9","9","9","1","2","2","1") = "8"
    & skf18("9","9","9","1","2","3","1") = "8"
    & skf18("9","9","9","1","2","4","1") = "8"
    & skf18("9","9","9","1","2","5","1") = "8"
    & skf18("9","9","9","1","2","6","1") = "8"
    & skf18("9","9","9","1","2","7","1") = "8"
    & skf18("9","9","9","1","2","8","1") = "8"
    & skf18("9","9","9","1","2","9","1") = "8"
    & skf18("9","9","9","1","2","10","1") = "9"
    & skf18("9","9","9","1","3","1","1") = "8"
    & skf18("9","9","9","1","3","2","1") = "8"
    & skf18("9","9","9","1","3","3","1") = "8"
    & skf18("9","9","9","1","3","4","1") = "8"
    & skf18("9","9","9","1","3","5","1") = "8"
    & skf18("9","9","9","1","3","6","1") = "8"
    & skf18("9","9","9","1","3","7","1") = "8"
    & skf18("9","9","9","1","3","8","1") = "8"
    & skf18("9","9","9","1","3","9","1") = "8"
    & skf18("9","9","9","1","3","10","1") = "9"
    & skf18("9","9","9","1","4","1","1") = "8"
    & skf18("9","9","9","1","4","2","1") = "8"
    & skf18("9","9","9","1","4","3","1") = "8"
    & skf18("9","9","9","1","4","4","1") = "8"
    & skf18("9","9","9","1","4","5","1") = "8"
    & skf18("9","9","9","1","4","6","1") = "8"
    & skf18("9","9","9","1","4","7","1") = "8"
    & skf18("9","9","9","1","4","8","1") = "8"
    & skf18("9","9","9","1","4","9","1") = "8"
    & skf18("9","9","9","1","4","10","1") = "9"
    & skf18("9","9","9","1","5","1","1") = "8"
    & skf18("9","9","9","1","5","2","1") = "8"
    & skf18("9","9","9","1","5","3","1") = "8"
    & skf18("9","9","9","1","5","4","1") = "8"
    & skf18("9","9","9","1","5","5","1") = "8"
    & skf18("9","9","9","1","5","6","1") = "8"
    & skf18("9","9","9","1","5","7","1") = "8"
    & skf18("9","9","9","1","5","8","1") = "8"
    & skf18("9","9","9","1","5","9","1") = "8"
    & skf18("9","9","9","1","5","10","1") = "9"
    & skf18("9","9","9","1","6","1","1") = "8"
    & skf18("9","9","9","1","6","2","1") = "8"
    & skf18("9","9","9","1","6","3","1") = "8"
    & skf18("9","9","9","1","6","4","1") = "8"
    & skf18("9","9","9","1","6","5","1") = "8"
    & skf18("9","9","9","1","6","6","1") = "8"
    & skf18("9","9","9","1","6","7","1") = "8"
    & skf18("9","9","9","1","6","8","1") = "8"
    & skf18("9","9","9","1","6","9","1") = "8"
    & skf18("9","9","9","1","6","10","1") = "9"
    & skf18("9","9","9","1","7","1","1") = "8"
    & skf18("9","9","9","1","7","2","1") = "8"
    & skf18("9","9","9","1","7","3","1") = "8"
    & skf18("9","9","9","1","7","4","1") = "8"
    & skf18("9","9","9","1","7","5","1") = "8"
    & skf18("9","9","9","1","7","6","1") = "8"
    & skf18("9","9","9","1","7","7","1") = "8"
    & skf18("9","9","9","1","7","8","1") = "8"
    & skf18("9","9","9","1","7","9","1") = "8"
    & skf18("9","9","9","1","7","10","1") = "9"
    & skf18("9","9","9","1","8","1","1") = "8"
    & skf18("9","9","9","1","8","2","1") = "8"
    & skf18("9","9","9","1","8","3","1") = "8"
    & skf18("9","9","9","1","8","4","1") = "8"
    & skf18("9","9","9","1","8","5","1") = "8"
    & skf18("9","9","9","1","8","6","1") = "8"
    & skf18("9","9","9","1","8","7","1") = "8"
    & skf18("9","9","9","1","8","8","1") = "8"
    & skf18("9","9","9","1","8","9","1") = "8"
    & skf18("9","9","9","1","8","10","1") = "9"
    & skf18("9","9","9","1","9","1","1") = "8"
    & skf18("9","9","9","1","9","2","1") = "8"
    & skf18("9","9","9","1","9","3","1") = "8"
    & skf18("9","9","9","1","9","4","1") = "8"
    & skf18("9","9","9","1","9","5","1") = "8"
    & skf18("9","9","9","1","9","6","1") = "8"
    & skf18("9","9","9","1","9","7","1") = "8"
    & skf18("9","9","9","1","9","8","1") = "8"
    & skf18("9","9","9","1","9","9","1") = "8"
    & skf18("9","9","9","1","9","10","1") = "9"
    & skf18("9","9","9","1","10","1","1") = "9"
    & skf18("9","9","9","1","10","2","1") = "9"
    & skf18("9","9","9","1","10","3","1") = "9"
    & skf18("9","9","9","1","10","4","1") = "9"
    & skf18("9","9","9","1","10","5","1") = "9"
    & skf18("9","9","9","1","10","6","1") = "9"
    & skf18("9","9","9","1","10","7","1") = "9"
    & skf18("9","9","9","1","10","8","1") = "9"
    & skf18("9","9","9","1","10","9","1") = "9"
    & skf18("9","9","9","1","10","10","1") = "9"
    & skf18("9","9","9","2","1","1","1") = "8"
    & skf18("9","9","9","2","1","2","1") = "8"
    & skf18("9","9","9","2","1","3","1") = "8"
    & skf18("9","9","9","2","1","4","1") = "8"
    & skf18("9","9","9","2","1","5","1") = "8"
    & skf18("9","9","9","2","1","6","1") = "8"
    & skf18("9","9","9","2","1","7","1") = "8"
    & skf18("9","9","9","2","1","8","1") = "8"
    & skf18("9","9","9","2","1","9","1") = "8"
    & skf18("9","9","9","2","1","10","1") = "9"
    & skf18("9","9","9","2","2","1","1") = "8"
    & skf18("9","9","9","2","2","2","1") = "8"
    & skf18("9","9","9","2","2","3","1") = "8"
    & skf18("9","9","9","2","2","4","1") = "8"
    & skf18("9","9","9","2","2","5","1") = "8"
    & skf18("9","9","9","2","2","6","1") = "8"
    & skf18("9","9","9","2","2","7","1") = "8"
    & skf18("9","9","9","2","2","8","1") = "8"
    & skf18("9","9","9","2","2","9","1") = "8"
    & skf18("9","9","9","2","2","10","1") = "9"
    & skf18("9","9","9","2","3","1","1") = "8"
    & skf18("9","9","9","2","3","2","1") = "8"
    & skf18("9","9","9","2","3","3","1") = "8"
    & skf18("9","9","9","2","3","4","1") = "8"
    & skf18("9","9","9","2","3","5","1") = "8"
    & skf18("9","9","9","2","3","6","1") = "8"
    & skf18("9","9","9","2","3","7","1") = "8"
    & skf18("9","9","9","2","3","8","1") = "8"
    & skf18("9","9","9","2","3","9","1") = "8"
    & skf18("9","9","9","2","3","10","1") = "9"
    & skf18("9","9","9","2","4","1","1") = "8"
    & skf18("9","9","9","2","4","2","1") = "8"
    & skf18("9","9","9","2","4","3","1") = "8"
    & skf18("9","9","9","2","4","4","1") = "8"
    & skf18("9","9","9","2","4","5","1") = "8"
    & skf18("9","9","9","2","4","6","1") = "8"
    & skf18("9","9","9","2","4","7","1") = "8"
    & skf18("9","9","9","2","4","8","1") = "8"
    & skf18("9","9","9","2","4","9","1") = "8"
    & skf18("9","9","9","2","4","10","1") = "9"
    & skf18("9","9","9","2","5","1","1") = "8"
    & skf18("9","9","9","2","5","2","1") = "8"
    & skf18("9","9","9","2","5","3","1") = "8"
    & skf18("9","9","9","2","5","4","1") = "8"
    & skf18("9","9","9","2","5","5","1") = "8"
    & skf18("9","9","9","2","5","6","1") = "8"
    & skf18("9","9","9","2","5","7","1") = "8"
    & skf18("9","9","9","2","5","8","1") = "8"
    & skf18("9","9","9","2","5","9","1") = "8"
    & skf18("9","9","9","2","5","10","1") = "9"
    & skf18("9","9","9","2","6","1","1") = "8"
    & skf18("9","9","9","2","6","2","1") = "8"
    & skf18("9","9","9","2","6","3","1") = "8"
    & skf18("9","9","9","2","6","4","1") = "8"
    & skf18("9","9","9","2","6","5","1") = "8"
    & skf18("9","9","9","2","6","6","1") = "8"
    & skf18("9","9","9","2","6","7","1") = "8"
    & skf18("9","9","9","2","6","8","1") = "8"
    & skf18("9","9","9","2","6","9","1") = "8"
    & skf18("9","9","9","2","6","10","1") = "9"
    & skf18("9","9","9","2","7","1","1") = "8"
    & skf18("9","9","9","2","7","2","1") = "8"
    & skf18("9","9","9","2","7","3","1") = "8"
    & skf18("9","9","9","2","7","4","1") = "8"
    & skf18("9","9","9","2","7","5","1") = "8"
    & skf18("9","9","9","2","7","6","1") = "8"
    & skf18("9","9","9","2","7","7","1") = "8"
    & skf18("9","9","9","2","7","8","1") = "8"
    & skf18("9","9","9","2","7","9","1") = "8"
    & skf18("9","9","9","2","7","10","1") = "9"
    & skf18("9","9","9","2","8","1","1") = "8"
    & skf18("9","9","9","2","8","2","1") = "8"
    & skf18("9","9","9","2","8","3","1") = "8"
    & skf18("9","9","9","2","8","4","1") = "8"
    & skf18("9","9","9","2","8","5","1") = "8"
    & skf18("9","9","9","2","8","6","1") = "8"
    & skf18("9","9","9","2","8","7","1") = "8"
    & skf18("9","9","9","2","8","8","1") = "8"
    & skf18("9","9","9","2","8","9","1") = "8"
    & skf18("9","9","9","2","8","10","1") = "9"
    & skf18("9","9","9","2","9","1","1") = "8"
    & skf18("9","9","9","2","9","2","1") = "8"
    & skf18("9","9","9","2","9","3","1") = "8"
    & skf18("9","9","9","2","9","4","1") = "8"
    & skf18("9","9","9","2","9","5","1") = "8"
    & skf18("9","9","9","2","9","6","1") = "8"
    & skf18("9","9","9","2","9","7","1") = "8"
    & skf18("9","9","9","2","9","8","1") = "8"
    & skf18("9","9","9","2","9","9","1") = "8"
    & skf18("9","9","9","2","9","10","1") = "9"
    & skf18("9","9","9","2","10","1","1") = "9"
    & skf18("9","9","9","2","10","2","1") = "9"
    & skf18("9","9","9","2","10","3","1") = "9"
    & skf18("9","9","9","2","10","4","1") = "9"
    & skf18("9","9","9","2","10","5","1") = "9"
    & skf18("9","9","9","2","10","6","1") = "9"
    & skf18("9","9","9","2","10","7","1") = "9"
    & skf18("9","9","9","2","10","8","1") = "9"
    & skf18("9","9","9","2","10","9","1") = "9"
    & skf18("9","9","9","2","10","10","1") = "9"
    & skf18("9","9","9","3","1","1","1") = "8"
    & skf18("9","9","9","3","1","2","1") = "8"
    & skf18("9","9","9","3","1","3","1") = "8"
    & skf18("9","9","9","3","1","4","1") = "8"
    & skf18("9","9","9","3","1","5","1") = "8"
    & skf18("9","9","9","3","1","6","1") = "8"
    & skf18("9","9","9","3","1","7","1") = "8"
    & skf18("9","9","9","3","1","8","1") = "8"
    & skf18("9","9","9","3","1","9","1") = "8"
    & skf18("9","9","9","3","1","10","1") = "9"
    & skf18("9","9","9","3","2","1","1") = "8"
    & skf18("9","9","9","3","2","2","1") = "8"
    & skf18("9","9","9","3","2","3","1") = "8"
    & skf18("9","9","9","3","2","4","1") = "8"
    & skf18("9","9","9","3","2","5","1") = "8"
    & skf18("9","9","9","3","2","6","1") = "8"
    & skf18("9","9","9","3","2","7","1") = "8"
    & skf18("9","9","9","3","2","8","1") = "8"
    & skf18("9","9","9","3","2","9","1") = "8"
    & skf18("9","9","9","3","2","10","1") = "9"
    & skf18("9","9","9","3","3","1","1") = "8"
    & skf18("9","9","9","3","3","2","1") = "8"
    & skf18("9","9","9","3","3","3","1") = "8"
    & skf18("9","9","9","3","3","4","1") = "8"
    & skf18("9","9","9","3","3","5","1") = "8"
    & skf18("9","9","9","3","3","6","1") = "8"
    & skf18("9","9","9","3","3","7","1") = "8"
    & skf18("9","9","9","3","3","8","1") = "8"
    & skf18("9","9","9","3","3","9","1") = "8"
    & skf18("9","9","9","3","3","10","1") = "9"
    & skf18("9","9","9","3","4","1","1") = "8"
    & skf18("9","9","9","3","4","2","1") = "8"
    & skf18("9","9","9","3","4","3","1") = "8"
    & skf18("9","9","9","3","4","4","1") = "8"
    & skf18("9","9","9","3","4","5","1") = "8"
    & skf18("9","9","9","3","4","6","1") = "8"
    & skf18("9","9","9","3","4","7","1") = "8"
    & skf18("9","9","9","3","4","8","1") = "8"
    & skf18("9","9","9","3","4","9","1") = "8"
    & skf18("9","9","9","3","4","10","1") = "9"
    & skf18("9","9","9","3","5","1","1") = "8"
    & skf18("9","9","9","3","5","2","1") = "8"
    & skf18("9","9","9","3","5","3","1") = "8"
    & skf18("9","9","9","3","5","4","1") = "8"
    & skf18("9","9","9","3","5","5","1") = "8"
    & skf18("9","9","9","3","5","6","1") = "8"
    & skf18("9","9","9","3","5","7","1") = "8"
    & skf18("9","9","9","3","5","8","1") = "8"
    & skf18("9","9","9","3","5","9","1") = "8"
    & skf18("9","9","9","3","5","10","1") = "9"
    & skf18("9","9","9","3","6","1","1") = "8"
    & skf18("9","9","9","3","6","2","1") = "8"
    & skf18("9","9","9","3","6","3","1") = "8"
    & skf18("9","9","9","3","6","4","1") = "8"
    & skf18("9","9","9","3","6","5","1") = "8"
    & skf18("9","9","9","3","6","6","1") = "8"
    & skf18("9","9","9","3","6","7","1") = "8"
    & skf18("9","9","9","3","6","8","1") = "8"
    & skf18("9","9","9","3","6","9","1") = "8"
    & skf18("9","9","9","3","6","10","1") = "9"
    & skf18("9","9","9","3","7","1","1") = "8"
    & skf18("9","9","9","3","7","2","1") = "8"
    & skf18("9","9","9","3","7","3","1") = "8"
    & skf18("9","9","9","3","7","4","1") = "8"
    & skf18("9","9","9","3","7","5","1") = "8"
    & skf18("9","9","9","3","7","6","1") = "8"
    & skf18("9","9","9","3","7","7","1") = "8"
    & skf18("9","9","9","3","7","8","1") = "8"
    & skf18("9","9","9","3","7","9","1") = "8"
    & skf18("9","9","9","3","7","10","1") = "9"
    & skf18("9","9","9","3","8","1","1") = "8"
    & skf18("9","9","9","3","8","2","1") = "8"
    & skf18("9","9","9","3","8","3","1") = "8"
    & skf18("9","9","9","3","8","4","1") = "8"
    & skf18("9","9","9","3","8","5","1") = "8"
    & skf18("9","9","9","3","8","6","1") = "8"
    & skf18("9","9","9","3","8","7","1") = "8"
    & skf18("9","9","9","3","8","8","1") = "8"
    & skf18("9","9","9","3","8","9","1") = "8"
    & skf18("9","9","9","3","8","10","1") = "9"
    & skf18("9","9","9","3","9","1","1") = "8"
    & skf18("9","9","9","3","9","2","1") = "8"
    & skf18("9","9","9","3","9","3","1") = "8"
    & skf18("9","9","9","3","9","4","1") = "8"
    & skf18("9","9","9","3","9","5","1") = "8"
    & skf18("9","9","9","3","9","6","1") = "8"
    & skf18("9","9","9","3","9","7","1") = "8"
    & skf18("9","9","9","3","9","8","1") = "8"
    & skf18("9","9","9","3","9","9","1") = "8"
    & skf18("9","9","9","3","9","10","1") = "9"
    & skf18("9","9","9","3","10","1","1") = "9"
    & skf18("9","9","9","3","10","2","1") = "9"
    & skf18("9","9","9","3","10","3","1") = "9"
    & skf18("9","9","9","3","10","4","1") = "9"
    & skf18("9","9","9","3","10","5","1") = "9"
    & skf18("9","9","9","3","10","6","1") = "9"
    & skf18("9","9","9","3","10","7","1") = "9"
    & skf18("9","9","9","3","10","8","1") = "9"
    & skf18("9","9","9","3","10","9","1") = "9"
    & skf18("9","9","9","3","10","10","1") = "9"
    & skf18("9","9","9","4","1","1","1") = "8"
    & skf18("9","9","9","4","1","2","1") = "8"
    & skf18("9","9","9","4","1","3","1") = "8"
    & skf18("9","9","9","4","1","4","1") = "8"
    & skf18("9","9","9","4","1","5","1") = "8"
    & skf18("9","9","9","4","1","6","1") = "8"
    & skf18("9","9","9","4","1","7","1") = "8"
    & skf18("9","9","9","4","1","8","1") = "8"
    & skf18("9","9","9","4","1","9","1") = "8"
    & skf18("9","9","9","4","1","10","1") = "9"
    & skf18("9","9","9","4","2","1","1") = "8"
    & skf18("9","9","9","4","2","2","1") = "8"
    & skf18("9","9","9","4","2","3","1") = "8"
    & skf18("9","9","9","4","2","4","1") = "8"
    & skf18("9","9","9","4","2","5","1") = "8"
    & skf18("9","9","9","4","2","6","1") = "8"
    & skf18("9","9","9","4","2","7","1") = "8"
    & skf18("9","9","9","4","2","8","1") = "8"
    & skf18("9","9","9","4","2","9","1") = "8"
    & skf18("9","9","9","4","2","10","1") = "9"
    & skf18("9","9","9","4","3","1","1") = "8"
    & skf18("9","9","9","4","3","2","1") = "8"
    & skf18("9","9","9","4","3","3","1") = "8"
    & skf18("9","9","9","4","3","4","1") = "8"
    & skf18("9","9","9","4","3","5","1") = "8"
    & skf18("9","9","9","4","3","6","1") = "8"
    & skf18("9","9","9","4","3","7","1") = "8"
    & skf18("9","9","9","4","3","8","1") = "8"
    & skf18("9","9","9","4","3","9","1") = "8"
    & skf18("9","9","9","4","3","10","1") = "9"
    & skf18("9","9","9","4","4","1","1") = "8"
    & skf18("9","9","9","4","4","2","1") = "8"
    & skf18("9","9","9","4","4","3","1") = "8"
    & skf18("9","9","9","4","4","4","1") = "8"
    & skf18("9","9","9","4","4","5","1") = "8"
    & skf18("9","9","9","4","4","6","1") = "8"
    & skf18("9","9","9","4","4","7","1") = "8"
    & skf18("9","9","9","4","4","8","1") = "8"
    & skf18("9","9","9","4","4","9","1") = "8"
    & skf18("9","9","9","4","4","10","1") = "9"
    & skf18("9","9","9","4","5","1","1") = "8"
    & skf18("9","9","9","4","5","2","1") = "8"
    & skf18("9","9","9","4","5","3","1") = "8"
    & skf18("9","9","9","4","5","4","1") = "8"
    & skf18("9","9","9","4","5","5","1") = "8"
    & skf18("9","9","9","4","5","6","1") = "8"
    & skf18("9","9","9","4","5","7","1") = "8"
    & skf18("9","9","9","4","5","8","1") = "8"
    & skf18("9","9","9","4","5","9","1") = "8"
    & skf18("9","9","9","4","5","10","1") = "9"
    & skf18("9","9","9","4","6","1","1") = "8"
    & skf18("9","9","9","4","6","2","1") = "8"
    & skf18("9","9","9","4","6","3","1") = "8"
    & skf18("9","9","9","4","6","4","1") = "8"
    & skf18("9","9","9","4","6","5","1") = "8"
    & skf18("9","9","9","4","6","6","1") = "8"
    & skf18("9","9","9","4","6","7","1") = "8"
    & skf18("9","9","9","4","6","8","1") = "8"
    & skf18("9","9","9","4","6","9","1") = "8"
    & skf18("9","9","9","4","6","10","1") = "9"
    & skf18("9","9","9","4","7","1","1") = "8"
    & skf18("9","9","9","4","7","2","1") = "8"
    & skf18("9","9","9","4","7","3","1") = "8"
    & skf18("9","9","9","4","7","4","1") = "8"
    & skf18("9","9","9","4","7","5","1") = "8"
    & skf18("9","9","9","4","7","6","1") = "8"
    & skf18("9","9","9","4","7","7","1") = "8"
    & skf18("9","9","9","4","7","8","1") = "8"
    & skf18("9","9","9","4","7","9","1") = "8"
    & skf18("9","9","9","4","7","10","1") = "9"
    & skf18("9","9","9","4","8","1","1") = "8"
    & skf18("9","9","9","4","8","2","1") = "8"
    & skf18("9","9","9","4","8","3","1") = "8"
    & skf18("9","9","9","4","8","4","1") = "8"
    & skf18("9","9","9","4","8","5","1") = "8"
    & skf18("9","9","9","4","8","6","1") = "8"
    & skf18("9","9","9","4","8","7","1") = "8"
    & skf18("9","9","9","4","8","8","1") = "8"
    & skf18("9","9","9","4","8","9","1") = "8"
    & skf18("9","9","9","4","8","10","1") = "9"
    & skf18("9","9","9","4","9","1","1") = "8"
    & skf18("9","9","9","4","9","2","1") = "8"
    & skf18("9","9","9","4","9","3","1") = "8"
    & skf18("9","9","9","4","9","4","1") = "8"
    & skf18("9","9","9","4","9","5","1") = "8"
    & skf18("9","9","9","4","9","6","1") = "8"
    & skf18("9","9","9","4","9","7","1") = "8"
    & skf18("9","9","9","4","9","8","1") = "8"
    & skf18("9","9","9","4","9","9","1") = "8"
    & skf18("9","9","9","4","9","10","1") = "9"
    & skf18("9","9","9","4","10","1","1") = "9"
    & skf18("9","9","9","4","10","2","1") = "9"
    & skf18("9","9","9","4","10","3","1") = "9"
    & skf18("9","9","9","4","10","4","1") = "9"
    & skf18("9","9","9","4","10","5","1") = "9"
    & skf18("9","9","9","4","10","6","1") = "9"
    & skf18("9","9","9","4","10","7","1") = "9"
    & skf18("9","9","9","4","10","8","1") = "9"
    & skf18("9","9","9","4","10","9","1") = "9"
    & skf18("9","9","9","4","10","10","1") = "9"
    & skf18("9","9","9","5","1","1","1") = "8"
    & skf18("9","9","9","5","1","2","1") = "8"
    & skf18("9","9","9","5","1","3","1") = "8"
    & skf18("9","9","9","5","1","4","1") = "8"
    & skf18("9","9","9","5","1","5","1") = "8"
    & skf18("9","9","9","5","1","6","1") = "8"
    & skf18("9","9","9","5","1","7","1") = "8"
    & skf18("9","9","9","5","1","8","1") = "8"
    & skf18("9","9","9","5","1","9","1") = "8"
    & skf18("9","9","9","5","1","10","1") = "9"
    & skf18("9","9","9","5","2","1","1") = "8"
    & skf18("9","9","9","5","2","2","1") = "8"
    & skf18("9","9","9","5","2","3","1") = "8"
    & skf18("9","9","9","5","2","4","1") = "8"
    & skf18("9","9","9","5","2","5","1") = "8"
    & skf18("9","9","9","5","2","6","1") = "8"
    & skf18("9","9","9","5","2","7","1") = "8"
    & skf18("9","9","9","5","2","8","1") = "8"
    & skf18("9","9","9","5","2","9","1") = "8"
    & skf18("9","9","9","5","2","10","1") = "9"
    & skf18("9","9","9","5","3","1","1") = "8"
    & skf18("9","9","9","5","3","2","1") = "8"
    & skf18("9","9","9","5","3","3","1") = "8"
    & skf18("9","9","9","5","3","4","1") = "8"
    & skf18("9","9","9","5","3","5","1") = "8"
    & skf18("9","9","9","5","3","6","1") = "8"
    & skf18("9","9","9","5","3","7","1") = "8"
    & skf18("9","9","9","5","3","8","1") = "8"
    & skf18("9","9","9","5","3","9","1") = "8"
    & skf18("9","9","9","5","3","10","1") = "9"
    & skf18("9","9","9","5","4","1","1") = "8"
    & skf18("9","9","9","5","4","2","1") = "8"
    & skf18("9","9","9","5","4","3","1") = "8"
    & skf18("9","9","9","5","4","4","1") = "8"
    & skf18("9","9","9","5","4","5","1") = "8"
    & skf18("9","9","9","5","4","6","1") = "8"
    & skf18("9","9","9","5","4","7","1") = "8"
    & skf18("9","9","9","5","4","8","1") = "8"
    & skf18("9","9","9","5","4","9","1") = "8"
    & skf18("9","9","9","5","4","10","1") = "9"
    & skf18("9","9","9","5","5","1","1") = "8"
    & skf18("9","9","9","5","5","2","1") = "8"
    & skf18("9","9","9","5","5","3","1") = "8"
    & skf18("9","9","9","5","5","4","1") = "8"
    & skf18("9","9","9","5","5","5","1") = "8"
    & skf18("9","9","9","5","5","6","1") = "8"
    & skf18("9","9","9","5","5","7","1") = "8"
    & skf18("9","9","9","5","5","8","1") = "8"
    & skf18("9","9","9","5","5","9","1") = "8"
    & skf18("9","9","9","5","5","10","1") = "9"
    & skf18("9","9","9","5","6","1","1") = "8"
    & skf18("9","9","9","5","6","2","1") = "8"
    & skf18("9","9","9","5","6","3","1") = "8"
    & skf18("9","9","9","5","6","4","1") = "8"
    & skf18("9","9","9","5","6","5","1") = "8"
    & skf18("9","9","9","5","6","6","1") = "8"
    & skf18("9","9","9","5","6","7","1") = "8"
    & skf18("9","9","9","5","6","8","1") = "8"
    & skf18("9","9","9","5","6","9","1") = "8"
    & skf18("9","9","9","5","6","10","1") = "9"
    & skf18("9","9","9","5","7","1","1") = "8"
    & skf18("9","9","9","5","7","2","1") = "8"
    & skf18("9","9","9","5","7","3","1") = "8"
    & skf18("9","9","9","5","7","4","1") = "8"
    & skf18("9","9","9","5","7","5","1") = "8"
    & skf18("9","9","9","5","7","6","1") = "8"
    & skf18("9","9","9","5","7","7","1") = "8"
    & skf18("9","9","9","5","7","8","1") = "8"
    & skf18("9","9","9","5","7","9","1") = "8"
    & skf18("9","9","9","5","7","10","1") = "9"
    & skf18("9","9","9","5","8","1","1") = "8"
    & skf18("9","9","9","5","8","2","1") = "8"
    & skf18("9","9","9","5","8","3","1") = "8"
    & skf18("9","9","9","5","8","4","1") = "8"
    & skf18("9","9","9","5","8","5","1") = "8"
    & skf18("9","9","9","5","8","6","1") = "8"
    & skf18("9","9","9","5","8","7","1") = "8"
    & skf18("9","9","9","5","8","8","1") = "8"
    & skf18("9","9","9","5","8","9","1") = "8"
    & skf18("9","9","9","5","8","10","1") = "9"
    & skf18("9","9","9","5","9","1","1") = "8"
    & skf18("9","9","9","5","9","2","1") = "8"
    & skf18("9","9","9","5","9","3","1") = "8"
    & skf18("9","9","9","5","9","4","1") = "8"
    & skf18("9","9","9","5","9","5","1") = "8"
    & skf18("9","9","9","5","9","6","1") = "8"
    & skf18("9","9","9","5","9","7","1") = "8"
    & skf18("9","9","9","5","9","8","1") = "8"
    & skf18("9","9","9","5","9","9","1") = "8"
    & skf18("9","9","9","5","9","10","1") = "9"
    & skf18("9","9","9","5","10","1","1") = "9"
    & skf18("9","9","9","5","10","2","1") = "9"
    & skf18("9","9","9","5","10","3","1") = "9"
    & skf18("9","9","9","5","10","4","1") = "9"
    & skf18("9","9","9","5","10","5","1") = "9"
    & skf18("9","9","9","5","10","6","1") = "9"
    & skf18("9","9","9","5","10","7","1") = "9"
    & skf18("9","9","9","5","10","8","1") = "9"
    & skf18("9","9","9","5","10","9","1") = "9"
    & skf18("9","9","9","5","10","10","1") = "9"
    & skf18("9","9","9","6","1","1","1") = "8"
    & skf18("9","9","9","6","1","2","1") = "8"
    & skf18("9","9","9","6","1","3","1") = "8"
    & skf18("9","9","9","6","1","4","1") = "8"
    & skf18("9","9","9","6","1","5","1") = "8"
    & skf18("9","9","9","6","1","6","1") = "8"
    & skf18("9","9","9","6","1","7","1") = "8"
    & skf18("9","9","9","6","1","8","1") = "8"
    & skf18("9","9","9","6","1","9","1") = "8"
    & skf18("9","9","9","6","1","10","1") = "9"
    & skf18("9","9","9","6","2","1","1") = "8"
    & skf18("9","9","9","6","2","2","1") = "8"
    & skf18("9","9","9","6","2","3","1") = "8"
    & skf18("9","9","9","6","2","4","1") = "8"
    & skf18("9","9","9","6","2","5","1") = "8"
    & skf18("9","9","9","6","2","6","1") = "8"
    & skf18("9","9","9","6","2","7","1") = "8"
    & skf18("9","9","9","6","2","8","1") = "8"
    & skf18("9","9","9","6","2","9","1") = "8"
    & skf18("9","9","9","6","2","10","1") = "9"
    & skf18("9","9","9","6","3","1","1") = "8"
    & skf18("9","9","9","6","3","2","1") = "8"
    & skf18("9","9","9","6","3","3","1") = "8"
    & skf18("9","9","9","6","3","4","1") = "8"
    & skf18("9","9","9","6","3","5","1") = "8"
    & skf18("9","9","9","6","3","6","1") = "8"
    & skf18("9","9","9","6","3","7","1") = "8"
    & skf18("9","9","9","6","3","8","1") = "8"
    & skf18("9","9","9","6","3","9","1") = "8"
    & skf18("9","9","9","6","3","10","1") = "9"
    & skf18("9","9","9","6","4","1","1") = "8"
    & skf18("9","9","9","6","4","2","1") = "8"
    & skf18("9","9","9","6","4","3","1") = "8"
    & skf18("9","9","9","6","4","4","1") = "8"
    & skf18("9","9","9","6","4","5","1") = "8"
    & skf18("9","9","9","6","4","6","1") = "8"
    & skf18("9","9","9","6","4","7","1") = "8"
    & skf18("9","9","9","6","4","8","1") = "8"
    & skf18("9","9","9","6","4","9","1") = "8"
    & skf18("9","9","9","6","4","10","1") = "9"
    & skf18("9","9","9","6","5","1","1") = "8"
    & skf18("9","9","9","6","5","2","1") = "8"
    & skf18("9","9","9","6","5","3","1") = "8"
    & skf18("9","9","9","6","5","4","1") = "8"
    & skf18("9","9","9","6","5","5","1") = "8"
    & skf18("9","9","9","6","5","6","1") = "8"
    & skf18("9","9","9","6","5","7","1") = "8"
    & skf18("9","9","9","6","5","8","1") = "8"
    & skf18("9","9","9","6","5","9","1") = "8"
    & skf18("9","9","9","6","5","10","1") = "9"
    & skf18("9","9","9","6","6","1","1") = "8"
    & skf18("9","9","9","6","6","2","1") = "8"
    & skf18("9","9","9","6","6","3","1") = "8"
    & skf18("9","9","9","6","6","4","1") = "8"
    & skf18("9","9","9","6","6","5","1") = "8"
    & skf18("9","9","9","6","6","6","1") = "8"
    & skf18("9","9","9","6","6","7","1") = "8"
    & skf18("9","9","9","6","6","8","1") = "8"
    & skf18("9","9","9","6","6","9","1") = "8"
    & skf18("9","9","9","6","6","10","1") = "9"
    & skf18("9","9","9","6","7","1","1") = "8"
    & skf18("9","9","9","6","7","2","1") = "8"
    & skf18("9","9","9","6","7","3","1") = "8"
    & skf18("9","9","9","6","7","4","1") = "8"
    & skf18("9","9","9","6","7","5","1") = "8"
    & skf18("9","9","9","6","7","6","1") = "8"
    & skf18("9","9","9","6","7","7","1") = "8"
    & skf18("9","9","9","6","7","8","1") = "8"
    & skf18("9","9","9","6","7","9","1") = "8"
    & skf18("9","9","9","6","7","10","1") = "9"
    & skf18("9","9","9","6","8","1","1") = "8"
    & skf18("9","9","9","6","8","2","1") = "8"
    & skf18("9","9","9","6","8","3","1") = "8"
    & skf18("9","9","9","6","8","4","1") = "8"
    & skf18("9","9","9","6","8","5","1") = "8"
    & skf18("9","9","9","6","8","6","1") = "8"
    & skf18("9","9","9","6","8","7","1") = "8"
    & skf18("9","9","9","6","8","8","1") = "8"
    & skf18("9","9","9","6","8","9","1") = "8"
    & skf18("9","9","9","6","8","10","1") = "9"
    & skf18("9","9","9","6","9","1","1") = "8"
    & skf18("9","9","9","6","9","2","1") = "8"
    & skf18("9","9","9","6","9","3","1") = "8"
    & skf18("9","9","9","6","9","4","1") = "8"
    & skf18("9","9","9","6","9","5","1") = "8"
    & skf18("9","9","9","6","9","6","1") = "8"
    & skf18("9","9","9","6","9","7","1") = "8"
    & skf18("9","9","9","6","9","8","1") = "8"
    & skf18("9","9","9","6","9","9","1") = "8"
    & skf18("9","9","9","6","9","10","1") = "9"
    & skf18("9","9","9","6","10","1","1") = "9"
    & skf18("9","9","9","6","10","2","1") = "9"
    & skf18("9","9","9","6","10","3","1") = "9"
    & skf18("9","9","9","6","10","4","1") = "9"
    & skf18("9","9","9","6","10","5","1") = "9"
    & skf18("9","9","9","6","10","6","1") = "9"
    & skf18("9","9","9","6","10","7","1") = "9"
    & skf18("9","9","9","6","10","8","1") = "9"
    & skf18("9","9","9","6","10","9","1") = "9"
    & skf18("9","9","9","6","10","10","1") = "9"
    & skf18("9","9","9","7","1","1","1") = "8"
    & skf18("9","9","9","7","1","2","1") = "8"
    & skf18("9","9","9","7","1","3","1") = "8"
    & skf18("9","9","9","7","1","4","1") = "8"
    & skf18("9","9","9","7","1","5","1") = "8"
    & skf18("9","9","9","7","1","6","1") = "8"
    & skf18("9","9","9","7","1","7","1") = "8"
    & skf18("9","9","9","7","1","8","1") = "8"
    & skf18("9","9","9","7","1","9","1") = "8"
    & skf18("9","9","9","7","1","10","1") = "9"
    & skf18("9","9","9","7","2","1","1") = "8"
    & skf18("9","9","9","7","2","2","1") = "8"
    & skf18("9","9","9","7","2","3","1") = "8"
    & skf18("9","9","9","7","2","4","1") = "8"
    & skf18("9","9","9","7","2","5","1") = "8"
    & skf18("9","9","9","7","2","6","1") = "8"
    & skf18("9","9","9","7","2","7","1") = "8"
    & skf18("9","9","9","7","2","8","1") = "8"
    & skf18("9","9","9","7","2","9","1") = "8"
    & skf18("9","9","9","7","2","10","1") = "9"
    & skf18("9","9","9","7","3","1","1") = "8"
    & skf18("9","9","9","7","3","2","1") = "8"
    & skf18("9","9","9","7","3","3","1") = "8"
    & skf18("9","9","9","7","3","4","1") = "8"
    & skf18("9","9","9","7","3","5","1") = "8"
    & skf18("9","9","9","7","3","6","1") = "8"
    & skf18("9","9","9","7","3","7","1") = "8"
    & skf18("9","9","9","7","3","8","1") = "8"
    & skf18("9","9","9","7","3","9","1") = "8"
    & skf18("9","9","9","7","3","10","1") = "9"
    & skf18("9","9","9","7","4","1","1") = "8"
    & skf18("9","9","9","7","4","2","1") = "8"
    & skf18("9","9","9","7","4","3","1") = "8"
    & skf18("9","9","9","7","4","4","1") = "8"
    & skf18("9","9","9","7","4","5","1") = "8"
    & skf18("9","9","9","7","4","6","1") = "8"
    & skf18("9","9","9","7","4","7","1") = "8"
    & skf18("9","9","9","7","4","8","1") = "8"
    & skf18("9","9","9","7","4","9","1") = "8"
    & skf18("9","9","9","7","4","10","1") = "9"
    & skf18("9","9","9","7","5","1","1") = "8"
    & skf18("9","9","9","7","5","2","1") = "8"
    & skf18("9","9","9","7","5","3","1") = "8"
    & skf18("9","9","9","7","5","4","1") = "8"
    & skf18("9","9","9","7","5","5","1") = "8"
    & skf18("9","9","9","7","5","6","1") = "8"
    & skf18("9","9","9","7","5","7","1") = "8"
    & skf18("9","9","9","7","5","8","1") = "8"
    & skf18("9","9","9","7","5","9","1") = "8"
    & skf18("9","9","9","7","5","10","1") = "9"
    & skf18("9","9","9","7","6","1","1") = "8"
    & skf18("9","9","9","7","6","2","1") = "8"
    & skf18("9","9","9","7","6","3","1") = "8"
    & skf18("9","9","9","7","6","4","1") = "8"
    & skf18("9","9","9","7","6","5","1") = "8"
    & skf18("9","9","9","7","6","6","1") = "8"
    & skf18("9","9","9","7","6","7","1") = "8"
    & skf18("9","9","9","7","6","8","1") = "8"
    & skf18("9","9","9","7","6","9","1") = "8"
    & skf18("9","9","9","7","6","10","1") = "9"
    & skf18("9","9","9","7","7","1","1") = "8"
    & skf18("9","9","9","7","7","2","1") = "8"
    & skf18("9","9","9","7","7","3","1") = "8"
    & skf18("9","9","9","7","7","4","1") = "8"
    & skf18("9","9","9","7","7","5","1") = "8"
    & skf18("9","9","9","7","7","6","1") = "8"
    & skf18("9","9","9","7","7","7","1") = "8"
    & skf18("9","9","9","7","7","8","1") = "8"
    & skf18("9","9","9","7","7","9","1") = "8"
    & skf18("9","9","9","7","7","10","1") = "9"
    & skf18("9","9","9","7","8","1","1") = "8"
    & skf18("9","9","9","7","8","2","1") = "8"
    & skf18("9","9","9","7","8","3","1") = "8"
    & skf18("9","9","9","7","8","4","1") = "8"
    & skf18("9","9","9","7","8","5","1") = "8"
    & skf18("9","9","9","7","8","6","1") = "8"
    & skf18("9","9","9","7","8","7","1") = "8"
    & skf18("9","9","9","7","8","8","1") = "8"
    & skf18("9","9","9","7","8","9","1") = "8"
    & skf18("9","9","9","7","8","10","1") = "9"
    & skf18("9","9","9","7","9","1","1") = "8"
    & skf18("9","9","9","7","9","2","1") = "8"
    & skf18("9","9","9","7","9","3","1") = "8"
    & skf18("9","9","9","7","9","4","1") = "8"
    & skf18("9","9","9","7","9","5","1") = "8"
    & skf18("9","9","9","7","9","6","1") = "8"
    & skf18("9","9","9","7","9","7","1") = "8"
    & skf18("9","9","9","7","9","8","1") = "8"
    & skf18("9","9","9","7","9","9","1") = "8"
    & skf18("9","9","9","7","9","10","1") = "9"
    & skf18("9","9","9","7","10","1","1") = "9"
    & skf18("9","9","9","7","10","2","1") = "9"
    & skf18("9","9","9","7","10","3","1") = "9"
    & skf18("9","9","9","7","10","4","1") = "9"
    & skf18("9","9","9","7","10","5","1") = "9"
    & skf18("9","9","9","7","10","6","1") = "9"
    & skf18("9","9","9","7","10","7","1") = "9"
    & skf18("9","9","9","7","10","8","1") = "9"
    & skf18("9","9","9","7","10","9","1") = "9"
    & skf18("9","9","9","7","10","10","1") = "9"
    & skf18("9","9","9","8","1","1","1") = "8"
    & skf18("9","9","9","8","1","2","1") = "8"
    & skf18("9","9","9","8","1","3","1") = "8"
    & skf18("9","9","9","8","1","4","1") = "8"
    & skf18("9","9","9","8","1","5","1") = "8"
    & skf18("9","9","9","8","1","6","1") = "8"
    & skf18("9","9","9","8","1","7","1") = "8"
    & skf18("9","9","9","8","1","8","1") = "8"
    & skf18("9","9","9","8","1","9","1") = "8"
    & skf18("9","9","9","8","1","10","1") = "9"
    & skf18("9","9","9","8","2","1","1") = "8"
    & skf18("9","9","9","8","2","2","1") = "8"
    & skf18("9","9","9","8","2","3","1") = "8"
    & skf18("9","9","9","8","2","4","1") = "8"
    & skf18("9","9","9","8","2","5","1") = "8"
    & skf18("9","9","9","8","2","6","1") = "8"
    & skf18("9","9","9","8","2","7","1") = "8"
    & skf18("9","9","9","8","2","8","1") = "8"
    & skf18("9","9","9","8","2","9","1") = "8"
    & skf18("9","9","9","8","2","10","1") = "9"
    & skf18("9","9","9","8","3","1","1") = "8"
    & skf18("9","9","9","8","3","2","1") = "8"
    & skf18("9","9","9","8","3","3","1") = "8"
    & skf18("9","9","9","8","3","4","1") = "8"
    & skf18("9","9","9","8","3","5","1") = "8"
    & skf18("9","9","9","8","3","6","1") = "8"
    & skf18("9","9","9","8","3","7","1") = "8"
    & skf18("9","9","9","8","3","8","1") = "8"
    & skf18("9","9","9","8","3","9","1") = "8"
    & skf18("9","9","9","8","3","10","1") = "9"
    & skf18("9","9","9","8","4","1","1") = "8"
    & skf18("9","9","9","8","4","2","1") = "8"
    & skf18("9","9","9","8","4","3","1") = "8"
    & skf18("9","9","9","8","4","4","1") = "8"
    & skf18("9","9","9","8","4","5","1") = "8"
    & skf18("9","9","9","8","4","6","1") = "8"
    & skf18("9","9","9","8","4","7","1") = "8"
    & skf18("9","9","9","8","4","8","1") = "8"
    & skf18("9","9","9","8","4","9","1") = "8"
    & skf18("9","9","9","8","4","10","1") = "9"
    & skf18("9","9","9","8","5","1","1") = "8"
    & skf18("9","9","9","8","5","2","1") = "8"
    & skf18("9","9","9","8","5","3","1") = "8"
    & skf18("9","9","9","8","5","4","1") = "8"
    & skf18("9","9","9","8","5","5","1") = "8"
    & skf18("9","9","9","8","5","6","1") = "8"
    & skf18("9","9","9","8","5","7","1") = "8"
    & skf18("9","9","9","8","5","8","1") = "8"
    & skf18("9","9","9","8","5","9","1") = "8"
    & skf18("9","9","9","8","5","10","1") = "9"
    & skf18("9","9","9","8","6","1","1") = "8"
    & skf18("9","9","9","8","6","2","1") = "8"
    & skf18("9","9","9","8","6","3","1") = "8"
    & skf18("9","9","9","8","6","4","1") = "8"
    & skf18("9","9","9","8","6","5","1") = "8"
    & skf18("9","9","9","8","6","6","1") = "8"
    & skf18("9","9","9","8","6","7","1") = "8"
    & skf18("9","9","9","8","6","8","1") = "8"
    & skf18("9","9","9","8","6","9","1") = "8"
    & skf18("9","9","9","8","6","10","1") = "9"
    & skf18("9","9","9","8","7","1","1") = "8"
    & skf18("9","9","9","8","7","2","1") = "8"
    & skf18("9","9","9","8","7","3","1") = "8"
    & skf18("9","9","9","8","7","4","1") = "8"
    & skf18("9","9","9","8","7","5","1") = "8"
    & skf18("9","9","9","8","7","6","1") = "8"
    & skf18("9","9","9","8","7","7","1") = "8"
    & skf18("9","9","9","8","7","8","1") = "8"
    & skf18("9","9","9","8","7","9","1") = "8"
    & skf18("9","9","9","8","7","10","1") = "9"
    & skf18("9","9","9","8","8","1","1") = "8"
    & skf18("9","9","9","8","8","2","1") = "8"
    & skf18("9","9","9","8","8","3","1") = "8"
    & skf18("9","9","9","8","8","4","1") = "8"
    & skf18("9","9","9","8","8","5","1") = "8"
    & skf18("9","9","9","8","8","6","1") = "8"
    & skf18("9","9","9","8","8","7","1") = "8"
    & skf18("9","9","9","8","8","8","1") = "8"
    & skf18("9","9","9","8","8","9","1") = "8"
    & skf18("9","9","9","8","8","10","1") = "9"
    & skf18("9","9","9","8","9","1","1") = "8"
    & skf18("9","9","9","8","9","2","1") = "8"
    & skf18("9","9","9","8","9","3","1") = "8"
    & skf18("9","9","9","8","9","4","1") = "8"
    & skf18("9","9","9","8","9","5","1") = "8"
    & skf18("9","9","9","8","9","6","1") = "8"
    & skf18("9","9","9","8","9","7","1") = "8"
    & skf18("9","9","9","8","9","8","1") = "8"
    & skf18("9","9","9","8","9","9","1") = "8"
    & skf18("9","9","9","8","9","10","1") = "9"
    & skf18("9","9","9","8","10","1","1") = "9"
    & skf18("9","9","9","8","10","2","1") = "9"
    & skf18("9","9","9","8","10","3","1") = "9"
    & skf18("9","9","9","8","10","4","1") = "9"
    & skf18("9","9","9","8","10","5","1") = "9"
    & skf18("9","9","9","8","10","6","1") = "9"
    & skf18("9","9","9","8","10","7","1") = "9"
    & skf18("9","9","9","8","10","8","1") = "9"
    & skf18("9","9","9","8","10","9","1") = "9"
    & skf18("9","9","9","8","10","10","1") = "9"
    & skf18("9","9","9","9","1","1","1") = "8"
    & skf18("9","9","9","9","1","2","1") = "8"
    & skf18("9","9","9","9","1","3","1") = "8"
    & skf18("9","9","9","9","1","4","1") = "8"
    & skf18("9","9","9","9","1","5","1") = "8"
    & skf18("9","9","9","9","1","6","1") = "8"
    & skf18("9","9","9","9","1","7","1") = "8"
    & skf18("9","9","9","9","1","8","1") = "8"
    & skf18("9","9","9","9","1","9","1") = "8"
    & skf18("9","9","9","9","1","10","1") = "9"
    & skf18("9","9","9","9","2","1","1") = "7"
    & skf18("9","9","9","9","2","2","1") = "10"
    & skf18("9","9","9","9","2","3","1") = "8"
    & skf18("9","9","9","9","2","4","1") = "7"
    & skf18("9","9","9","9","2","5","1") = "10"
    & skf18("9","9","9","9","2","6","1") = "8"
    & skf18("9","9","9","9","2","7","1") = "7"
    & skf18("9","9","9","9","2","8","1") = "10"
    & skf18("9","9","9","9","2","9","1") = "8"
    & skf18("9","9","9","9","2","10","1") = "9"
    & skf18("9","9","9","9","3","1","1") = "7"
    & skf18("9","9","9","9","3","2","1") = "10"
    & skf18("9","9","9","9","3","3","1") = "8"
    & skf18("9","9","9","9","3","4","1") = "7"
    & skf18("9","9","9","9","3","5","1") = "10"
    & skf18("9","9","9","9","3","6","1") = "8"
    & skf18("9","9","9","9","3","7","1") = "7"
    & skf18("9","9","9","9","3","8","1") = "10"
    & skf18("9","9","9","9","3","9","1") = "8"
    & skf18("9","9","9","9","3","10","1") = "9"
    & skf18("9","9","9","9","4","1","1") = "7"
    & skf18("9","9","9","9","4","2","1") = "10"
    & skf18("9","9","9","9","4","3","1") = "8"
    & skf18("9","9","9","9","4","4","1") = "7"
    & skf18("9","9","9","9","4","5","1") = "10"
    & skf18("9","9","9","9","4","6","1") = "8"
    & skf18("9","9","9","9","4","7","1") = "7"
    & skf18("9","9","9","9","4","8","1") = "10"
    & skf18("9","9","9","9","4","9","1") = "8"
    & skf18("9","9","9","9","4","10","1") = "9"
    & skf18("9","9","9","9","5","1","1") = "7"
    & skf18("9","9","9","9","5","2","1") = "10"
    & skf18("9","9","9","9","5","3","1") = "8"
    & skf18("9","9","9","9","5","4","1") = "7"
    & skf18("9","9","9","9","5","5","1") = "10"
    & skf18("9","9","9","9","5","6","1") = "8"
    & skf18("9","9","9","9","5","7","1") = "7"
    & skf18("9","9","9","9","5","8","1") = "10"
    & skf18("9","9","9","9","5","9","1") = "8"
    & skf18("9","9","9","9","5","10","1") = "9"
    & skf18("9","9","9","9","6","1","1") = "7"
    & skf18("9","9","9","9","6","2","1") = "10"
    & skf18("9","9","9","9","6","3","1") = "8"
    & skf18("9","9","9","9","6","4","1") = "7"
    & skf18("9","9","9","9","6","5","1") = "10"
    & skf18("9","9","9","9","6","6","1") = "8"
    & skf18("9","9","9","9","6","7","1") = "7"
    & skf18("9","9","9","9","6","8","1") = "10"
    & skf18("9","9","9","9","6","9","1") = "8"
    & skf18("9","9","9","9","6","10","1") = "9"
    & skf18("9","9","9","9","7","1","1") = "7"
    & skf18("9","9","9","9","7","2","1") = "10"
    & skf18("9","9","9","9","7","3","1") = "8"
    & skf18("9","9","9","9","7","4","1") = "7"
    & skf18("9","9","9","9","7","5","1") = "10"
    & skf18("9","9","9","9","7","6","1") = "8"
    & skf18("9","9","9","9","7","7","1") = "7"
    & skf18("9","9","9","9","7","8","1") = "10"
    & skf18("9","9","9","9","7","9","1") = "8"
    & skf18("9","9","9","9","7","10","1") = "9"
    & skf18("9","9","9","9","8","1","1") = "7"
    & skf18("9","9","9","9","8","2","1") = "10"
    & skf18("9","9","9","9","8","3","1") = "8"
    & skf18("9","9","9","9","8","4","1") = "7"
    & skf18("9","9","9","9","8","5","1") = "10"
    & skf18("9","9","9","9","8","6","1") = "8"
    & skf18("9","9","9","9","8","7","1") = "7"
    & skf18("9","9","9","9","8","8","1") = "10"
    & skf18("9","9","9","9","8","9","1") = "8"
    & skf18("9","9","9","9","8","10","1") = "9"
    & skf18("9","9","9","9","9","1","1") = "7"
    & skf18("9","9","9","9","9","2","1") = "10"
    & skf18("9","9","9","9","9","3","1") = "8"
    & skf18("9","9","9","9","9","4","1") = "7"
    & skf18("9","9","9","9","9","5","1") = "10"
    & skf18("9","9","9","9","9","6","1") = "8"
    & skf18("9","9","9","9","9","7","1") = "7"
    & skf18("9","9","9","9","9","8","1") = "10"
    & skf18("9","9","9","9","9","9","1") = "8"
    & skf18("9","9","9","9","9","10","1") = "9"
    & skf18("9","9","9","9","10","1","1") = "9"
    & skf18("9","9","9","9","10","2","1") = "9"
    & skf18("9","9","9","9","10","3","1") = "9"
    & skf18("9","9","9","9","10","4","1") = "9"
    & skf18("9","9","9","9","10","5","1") = "9"
    & skf18("9","9","9","9","10","6","1") = "9"
    & skf18("9","9","9","9","10","7","1") = "9"
    & skf18("9","9","9","9","10","8","1") = "9"
    & skf18("9","9","9","9","10","9","1") = "9"
    & skf18("9","9","9","9","10","10","1") = "9"
    & skf18("9","9","9","10","1","1","1") = "9"
    & skf18("9","9","9","10","1","2","1") = "9"
    & skf18("9","9","9","10","1","3","1") = "9"
    & skf18("9","9","9","10","1","4","1") = "9"
    & skf18("9","9","9","10","1","5","1") = "9"
    & skf18("9","9","9","10","1","6","1") = "9"
    & skf18("9","9","9","10","1","7","1") = "9"
    & skf18("9","9","9","10","1","8","1") = "9"
    & skf18("9","9","9","10","1","9","1") = "9"
    & skf18("9","9","9","10","1","10","1") = "9"
    & skf18("9","9","9","10","2","1","1") = "9"
    & skf18("9","9","9","10","2","2","1") = "9"
    & skf18("9","9","9","10","2","3","1") = "9"
    & skf18("9","9","9","10","2","4","1") = "9"
    & skf18("9","9","9","10","2","5","1") = "9"
    & skf18("9","9","9","10","2","6","1") = "9"
    & skf18("9","9","9","10","2","7","1") = "9"
    & skf18("9","9","9","10","2","8","1") = "9"
    & skf18("9","9","9","10","2","9","1") = "9"
    & skf18("9","9","9","10","2","10","1") = "9"
    & skf18("9","9","9","10","3","1","1") = "9"
    & skf18("9","9","9","10","3","2","1") = "9"
    & skf18("9","9","9","10","3","3","1") = "9"
    & skf18("9","9","9","10","3","4","1") = "9"
    & skf18("9","9","9","10","3","5","1") = "9"
    & skf18("9","9","9","10","3","6","1") = "9"
    & skf18("9","9","9","10","3","7","1") = "9"
    & skf18("9","9","9","10","3","8","1") = "9"
    & skf18("9","9","9","10","3","9","1") = "9"
    & skf18("9","9","9","10","3","10","1") = "9"
    & skf18("9","9","9","10","4","1","1") = "9"
    & skf18("9","9","9","10","4","2","1") = "9"
    & skf18("9","9","9","10","4","3","1") = "9"
    & skf18("9","9","9","10","4","4","1") = "9"
    & skf18("9","9","9","10","4","5","1") = "9"
    & skf18("9","9","9","10","4","6","1") = "9"
    & skf18("9","9","9","10","4","7","1") = "9"
    & skf18("9","9","9","10","4","8","1") = "9"
    & skf18("9","9","9","10","4","9","1") = "9"
    & skf18("9","9","9","10","4","10","1") = "9"
    & skf18("9","9","9","10","5","1","1") = "9"
    & skf18("9","9","9","10","5","2","1") = "9"
    & skf18("9","9","9","10","5","3","1") = "9"
    & skf18("9","9","9","10","5","4","1") = "9"
    & skf18("9","9","9","10","5","5","1") = "9"
    & skf18("9","9","9","10","5","6","1") = "9"
    & skf18("9","9","9","10","5","7","1") = "9"
    & skf18("9","9","9","10","5","8","1") = "9"
    & skf18("9","9","9","10","5","9","1") = "9"
    & skf18("9","9","9","10","5","10","1") = "9"
    & skf18("9","9","9","10","6","1","1") = "9"
    & skf18("9","9","9","10","6","2","1") = "9"
    & skf18("9","9","9","10","6","3","1") = "9"
    & skf18("9","9","9","10","6","4","1") = "9"
    & skf18("9","9","9","10","6","5","1") = "9"
    & skf18("9","9","9","10","6","6","1") = "9"
    & skf18("9","9","9","10","6","7","1") = "9"
    & skf18("9","9","9","10","6","8","1") = "9"
    & skf18("9","9","9","10","6","9","1") = "9"
    & skf18("9","9","9","10","6","10","1") = "9"
    & skf18("9","9","9","10","7","1","1") = "9"
    & skf18("9","9","9","10","7","2","1") = "9"
    & skf18("9","9","9","10","7","3","1") = "9"
    & skf18("9","9","9","10","7","4","1") = "9"
    & skf18("9","9","9","10","7","5","1") = "9"
    & skf18("9","9","9","10","7","6","1") = "9"
    & skf18("9","9","9","10","7","7","1") = "9"
    & skf18("9","9","9","10","7","8","1") = "9"
    & skf18("9","9","9","10","7","9","1") = "9"
    & skf18("9","9","9","10","7","10","1") = "9"
    & skf18("9","9","9","10","8","1","1") = "9"
    & skf18("9","9","9","10","8","2","1") = "9"
    & skf18("9","9","9","10","8","3","1") = "9"
    & skf18("9","9","9","10","8","4","1") = "9"
    & skf18("9","9","9","10","8","5","1") = "9"
    & skf18("9","9","9","10","8","6","1") = "9"
    & skf18("9","9","9","10","8","7","1") = "9"
    & skf18("9","9","9","10","8","8","1") = "9"
    & skf18("9","9","9","10","8","9","1") = "9"
    & skf18("9","9","9","10","8","10","1") = "9"
    & skf18("9","9","9","10","9","1","1") = "9"
    & skf18("9","9","9","10","9","2","1") = "9"
    & skf18("9","9","9","10","9","3","1") = "9"
    & skf18("9","9","9","10","9","4","1") = "9"
    & skf18("9","9","9","10","9","5","1") = "9"
    & skf18("9","9","9","10","9","6","1") = "9"
    & skf18("9","9","9","10","9","7","1") = "9"
    & skf18("9","9","9","10","9","8","1") = "9"
    & skf18("9","9","9","10","9","9","1") = "9"
    & skf18("9","9","9","10","9","10","1") = "9"
    & skf18("9","9","9","10","10","1","1") = "9"
    & skf18("9","9","9","10","10","2","1") = "9"
    & skf18("9","9","9","10","10","3","1") = "9"
    & skf18("9","9","9","10","10","4","1") = "9"
    & skf18("9","9","9","10","10","5","1") = "9"
    & skf18("9","9","9","10","10","6","1") = "9"
    & skf18("9","9","9","10","10","7","1") = "9"
    & skf18("9","9","9","10","10","8","1") = "9"
    & skf18("9","9","9","10","10","9","1") = "9"
    & skf18("9","9","9","10","10","10","1") = "9"
    & skf18("9","9","10","1","1","1","1") = "9"
    & skf18("9","9","10","1","1","2","1") = "9"
    & skf18("9","9","10","1","1","3","1") = "9"
    & skf18("9","9","10","1","1","4","1") = "9"
    & skf18("9","9","10","1","1","5","1") = "9"
    & skf18("9","9","10","1","1","6","1") = "9"
    & skf18("9","9","10","1","1","7","1") = "9"
    & skf18("9","9","10","1","1","8","1") = "9"
    & skf18("9","9","10","1","1","9","1") = "9"
    & skf18("9","9","10","1","1","10","1") = "9"
    & skf18("9","9","10","1","2","1","1") = "9"
    & skf18("9","9","10","1","2","2","1") = "9"
    & skf18("9","9","10","1","2","3","1") = "9"
    & skf18("9","9","10","1","2","4","1") = "9"
    & skf18("9","9","10","1","2","5","1") = "9"
    & skf18("9","9","10","1","2","6","1") = "9"
    & skf18("9","9","10","1","2","7","1") = "9"
    & skf18("9","9","10","1","2","8","1") = "9"
    & skf18("9","9","10","1","2","9","1") = "9"
    & skf18("9","9","10","1","2","10","1") = "9"
    & skf18("9","9","10","1","3","1","1") = "9"
    & skf18("9","9","10","1","3","2","1") = "9"
    & skf18("9","9","10","1","3","3","1") = "9"
    & skf18("9","9","10","1","3","4","1") = "9"
    & skf18("9","9","10","1","3","5","1") = "9"
    & skf18("9","9","10","1","3","6","1") = "9"
    & skf18("9","9","10","1","3","7","1") = "9"
    & skf18("9","9","10","1","3","8","1") = "9"
    & skf18("9","9","10","1","3","9","1") = "9"
    & skf18("9","9","10","1","3","10","1") = "9"
    & skf18("9","9","10","1","4","1","1") = "9"
    & skf18("9","9","10","1","4","2","1") = "9"
    & skf18("9","9","10","1","4","3","1") = "9"
    & skf18("9","9","10","1","4","4","1") = "9"
    & skf18("9","9","10","1","4","5","1") = "9"
    & skf18("9","9","10","1","4","6","1") = "9"
    & skf18("9","9","10","1","4","7","1") = "9"
    & skf18("9","9","10","1","4","8","1") = "9"
    & skf18("9","9","10","1","4","9","1") = "9"
    & skf18("9","9","10","1","4","10","1") = "9"
    & skf18("9","9","10","1","5","1","1") = "9"
    & skf18("9","9","10","1","5","2","1") = "9"
    & skf18("9","9","10","1","5","3","1") = "9"
    & skf18("9","9","10","1","5","4","1") = "9"
    & skf18("9","9","10","1","5","5","1") = "9"
    & skf18("9","9","10","1","5","6","1") = "9"
    & skf18("9","9","10","1","5","7","1") = "9"
    & skf18("9","9","10","1","5","8","1") = "9"
    & skf18("9","9","10","1","5","9","1") = "9"
    & skf18("9","9","10","1","5","10","1") = "9"
    & skf18("9","9","10","1","6","1","1") = "9"
    & skf18("9","9","10","1","6","2","1") = "9"
    & skf18("9","9","10","1","6","3","1") = "9"
    & skf18("9","9","10","1","6","4","1") = "9"
    & skf18("9","9","10","1","6","5","1") = "9"
    & skf18("9","9","10","1","6","6","1") = "9"
    & skf18("9","9","10","1","6","7","1") = "9"
    & skf18("9","9","10","1","6","8","1") = "9"
    & skf18("9","9","10","1","6","9","1") = "9"
    & skf18("9","9","10","1","6","10","1") = "9"
    & skf18("9","9","10","1","7","1","1") = "9"
    & skf18("9","9","10","1","7","2","1") = "9"
    & skf18("9","9","10","1","7","3","1") = "9"
    & skf18("9","9","10","1","7","4","1") = "9"
    & skf18("9","9","10","1","7","5","1") = "9"
    & skf18("9","9","10","1","7","6","1") = "9"
    & skf18("9","9","10","1","7","7","1") = "9"
    & skf18("9","9","10","1","7","8","1") = "9"
    & skf18("9","9","10","1","7","9","1") = "9"
    & skf18("9","9","10","1","7","10","1") = "9"
    & skf18("9","9","10","1","8","1","1") = "9"
    & skf18("9","9","10","1","8","2","1") = "9"
    & skf18("9","9","10","1","8","3","1") = "9"
    & skf18("9","9","10","1","8","4","1") = "9"
    & skf18("9","9","10","1","8","5","1") = "9"
    & skf18("9","9","10","1","8","6","1") = "9"
    & skf18("9","9","10","1","8","7","1") = "9"
    & skf18("9","9","10","1","8","8","1") = "9"
    & skf18("9","9","10","1","8","9","1") = "9"
    & skf18("9","9","10","1","8","10","1") = "9"
    & skf18("9","9","10","1","9","1","1") = "9"
    & skf18("9","9","10","1","9","2","1") = "9"
    & skf18("9","9","10","1","9","3","1") = "9"
    & skf18("9","9","10","1","9","4","1") = "9"
    & skf18("9","9","10","1","9","5","1") = "9"
    & skf18("9","9","10","1","9","6","1") = "9"
    & skf18("9","9","10","1","9","7","1") = "9"
    & skf18("9","9","10","1","9","8","1") = "9"
    & skf18("9","9","10","1","9","9","1") = "9"
    & skf18("9","9","10","1","9","10","1") = "9"
    & skf18("9","9","10","1","10","1","1") = "9"
    & skf18("9","9","10","1","10","2","1") = "9"
    & skf18("9","9","10","1","10","3","1") = "9"
    & skf18("9","9","10","1","10","4","1") = "9"
    & skf18("9","9","10","1","10","5","1") = "9"
    & skf18("9","9","10","1","10","6","1") = "9"
    & skf18("9","9","10","1","10","7","1") = "9"
    & skf18("9","9","10","1","10","8","1") = "9"
    & skf18("9","9","10","1","10","9","1") = "9"
    & skf18("9","9","10","1","10","10","1") = "9"
    & skf18("9","9","10","2","1","1","1") = "9"
    & skf18("9","9","10","2","1","2","1") = "9"
    & skf18("9","9","10","2","1","3","1") = "9"
    & skf18("9","9","10","2","1","4","1") = "9"
    & skf18("9","9","10","2","1","5","1") = "9"
    & skf18("9","9","10","2","1","6","1") = "9"
    & skf18("9","9","10","2","1","7","1") = "9"
    & skf18("9","9","10","2","1","8","1") = "9"
    & skf18("9","9","10","2","1","9","1") = "9"
    & skf18("9","9","10","2","1","10","1") = "9"
    & skf18("9","9","10","2","2","1","1") = "9"
    & skf18("9","9","10","2","2","2","1") = "9"
    & skf18("9","9","10","2","2","3","1") = "9"
    & skf18("9","9","10","2","2","4","1") = "9"
    & skf18("9","9","10","2","2","5","1") = "9"
    & skf18("9","9","10","2","2","6","1") = "9"
    & skf18("9","9","10","2","2","7","1") = "9"
    & skf18("9","9","10","2","2","8","1") = "9"
    & skf18("9","9","10","2","2","9","1") = "9"
    & skf18("9","9","10","2","2","10","1") = "9"
    & skf18("9","9","10","2","3","1","1") = "9"
    & skf18("9","9","10","2","3","2","1") = "9"
    & skf18("9","9","10","2","3","3","1") = "9"
    & skf18("9","9","10","2","3","4","1") = "9"
    & skf18("9","9","10","2","3","5","1") = "9"
    & skf18("9","9","10","2","3","6","1") = "9"
    & skf18("9","9","10","2","3","7","1") = "9"
    & skf18("9","9","10","2","3","8","1") = "9"
    & skf18("9","9","10","2","3","9","1") = "9"
    & skf18("9","9","10","2","3","10","1") = "9"
    & skf18("9","9","10","2","4","1","1") = "9"
    & skf18("9","9","10","2","4","2","1") = "9"
    & skf18("9","9","10","2","4","3","1") = "9"
    & skf18("9","9","10","2","4","4","1") = "9"
    & skf18("9","9","10","2","4","5","1") = "9"
    & skf18("9","9","10","2","4","6","1") = "9"
    & skf18("9","9","10","2","4","7","1") = "9"
    & skf18("9","9","10","2","4","8","1") = "9"
    & skf18("9","9","10","2","4","9","1") = "9"
    & skf18("9","9","10","2","4","10","1") = "9"
    & skf18("9","9","10","2","5","1","1") = "9"
    & skf18("9","9","10","2","5","2","1") = "9"
    & skf18("9","9","10","2","5","3","1") = "9"
    & skf18("9","9","10","2","5","4","1") = "9"
    & skf18("9","9","10","2","5","5","1") = "9"
    & skf18("9","9","10","2","5","6","1") = "9"
    & skf18("9","9","10","2","5","7","1") = "9"
    & skf18("9","9","10","2","5","8","1") = "9"
    & skf18("9","9","10","2","5","9","1") = "9"
    & skf18("9","9","10","2","5","10","1") = "9"
    & skf18("9","9","10","2","6","1","1") = "9"
    & skf18("9","9","10","2","6","2","1") = "9"
    & skf18("9","9","10","2","6","3","1") = "9"
    & skf18("9","9","10","2","6","4","1") = "9"
    & skf18("9","9","10","2","6","5","1") = "9"
    & skf18("9","9","10","2","6","6","1") = "9"
    & skf18("9","9","10","2","6","7","1") = "9"
    & skf18("9","9","10","2","6","8","1") = "9"
    & skf18("9","9","10","2","6","9","1") = "9"
    & skf18("9","9","10","2","6","10","1") = "9"
    & skf18("9","9","10","2","7","1","1") = "9"
    & skf18("9","9","10","2","7","2","1") = "9"
    & skf18("9","9","10","2","7","3","1") = "9"
    & skf18("9","9","10","2","7","4","1") = "9"
    & skf18("9","9","10","2","7","5","1") = "9"
    & skf18("9","9","10","2","7","6","1") = "9"
    & skf18("9","9","10","2","7","7","1") = "9"
    & skf18("9","9","10","2","7","8","1") = "9"
    & skf18("9","9","10","2","7","9","1") = "9"
    & skf18("9","9","10","2","7","10","1") = "9"
    & skf18("9","9","10","2","8","1","1") = "9"
    & skf18("9","9","10","2","8","2","1") = "9"
    & skf18("9","9","10","2","8","3","1") = "9"
    & skf18("9","9","10","2","8","4","1") = "9"
    & skf18("9","9","10","2","8","5","1") = "9"
    & skf18("9","9","10","2","8","6","1") = "9"
    & skf18("9","9","10","2","8","7","1") = "9"
    & skf18("9","9","10","2","8","8","1") = "9"
    & skf18("9","9","10","2","8","9","1") = "9"
    & skf18("9","9","10","2","8","10","1") = "9"
    & skf18("9","9","10","2","9","1","1") = "9"
    & skf18("9","9","10","2","9","2","1") = "9"
    & skf18("9","9","10","2","9","3","1") = "9"
    & skf18("9","9","10","2","9","4","1") = "9"
    & skf18("9","9","10","2","9","5","1") = "9"
    & skf18("9","9","10","2","9","6","1") = "9"
    & skf18("9","9","10","2","9","7","1") = "9"
    & skf18("9","9","10","2","9","8","1") = "9"
    & skf18("9","9","10","2","9","9","1") = "9"
    & skf18("9","9","10","2","9","10","1") = "9"
    & skf18("9","9","10","2","10","1","1") = "9"
    & skf18("9","9","10","2","10","2","1") = "9"
    & skf18("9","9","10","2","10","3","1") = "9"
    & skf18("9","9","10","2","10","4","1") = "9"
    & skf18("9","9","10","2","10","5","1") = "9"
    & skf18("9","9","10","2","10","6","1") = "9"
    & skf18("9","9","10","2","10","7","1") = "9"
    & skf18("9","9","10","2","10","8","1") = "9"
    & skf18("9","9","10","2","10","9","1") = "9"
    & skf18("9","9","10","2","10","10","1") = "9"
    & skf18("9","9","10","3","1","1","1") = "9"
    & skf18("9","9","10","3","1","2","1") = "9"
    & skf18("9","9","10","3","1","3","1") = "9"
    & skf18("9","9","10","3","1","4","1") = "9"
    & skf18("9","9","10","3","1","5","1") = "9"
    & skf18("9","9","10","3","1","6","1") = "9"
    & skf18("9","9","10","3","1","7","1") = "9"
    & skf18("9","9","10","3","1","8","1") = "9"
    & skf18("9","9","10","3","1","9","1") = "9"
    & skf18("9","9","10","3","1","10","1") = "9"
    & skf18("9","9","10","3","2","1","1") = "9"
    & skf18("9","9","10","3","2","2","1") = "9"
    & skf18("9","9","10","3","2","3","1") = "9"
    & skf18("9","9","10","3","2","4","1") = "9"
    & skf18("9","9","10","3","2","5","1") = "9"
    & skf18("9","9","10","3","2","6","1") = "9"
    & skf18("9","9","10","3","2","7","1") = "9"
    & skf18("9","9","10","3","2","8","1") = "9"
    & skf18("9","9","10","3","2","9","1") = "9"
    & skf18("9","9","10","3","2","10","1") = "9"
    & skf18("9","9","10","3","3","1","1") = "9"
    & skf18("9","9","10","3","3","2","1") = "9"
    & skf18("9","9","10","3","3","3","1") = "9"
    & skf18("9","9","10","3","3","4","1") = "9"
    & skf18("9","9","10","3","3","5","1") = "9"
    & skf18("9","9","10","3","3","6","1") = "9"
    & skf18("9","9","10","3","3","7","1") = "9"
    & skf18("9","9","10","3","3","8","1") = "9"
    & skf18("9","9","10","3","3","9","1") = "9"
    & skf18("9","9","10","3","3","10","1") = "9"
    & skf18("9","9","10","3","4","1","1") = "9"
    & skf18("9","9","10","3","4","2","1") = "9"
    & skf18("9","9","10","3","4","3","1") = "9"
    & skf18("9","9","10","3","4","4","1") = "9"
    & skf18("9","9","10","3","4","5","1") = "9"
    & skf18("9","9","10","3","4","6","1") = "9"
    & skf18("9","9","10","3","4","7","1") = "9"
    & skf18("9","9","10","3","4","8","1") = "9"
    & skf18("9","9","10","3","4","9","1") = "9"
    & skf18("9","9","10","3","4","10","1") = "9"
    & skf18("9","9","10","3","5","1","1") = "9"
    & skf18("9","9","10","3","5","2","1") = "9"
    & skf18("9","9","10","3","5","3","1") = "9"
    & skf18("9","9","10","3","5","4","1") = "9"
    & skf18("9","9","10","3","5","5","1") = "9"
    & skf18("9","9","10","3","5","6","1") = "9"
    & skf18("9","9","10","3","5","7","1") = "9"
    & skf18("9","9","10","3","5","8","1") = "9"
    & skf18("9","9","10","3","5","9","1") = "9"
    & skf18("9","9","10","3","5","10","1") = "9"
    & skf18("9","9","10","3","6","1","1") = "9"
    & skf18("9","9","10","3","6","2","1") = "9"
    & skf18("9","9","10","3","6","3","1") = "9"
    & skf18("9","9","10","3","6","4","1") = "9"
    & skf18("9","9","10","3","6","5","1") = "9"
    & skf18("9","9","10","3","6","6","1") = "9"
    & skf18("9","9","10","3","6","7","1") = "9"
    & skf18("9","9","10","3","6","8","1") = "9"
    & skf18("9","9","10","3","6","9","1") = "9"
    & skf18("9","9","10","3","6","10","1") = "9"
    & skf18("9","9","10","3","7","1","1") = "9"
    & skf18("9","9","10","3","7","2","1") = "9"
    & skf18("9","9","10","3","7","3","1") = "9"
    & skf18("9","9","10","3","7","4","1") = "9"
    & skf18("9","9","10","3","7","5","1") = "9"
    & skf18("9","9","10","3","7","6","1") = "9"
    & skf18("9","9","10","3","7","7","1") = "9"
    & skf18("9","9","10","3","7","8","1") = "9"
    & skf18("9","9","10","3","7","9","1") = "9"
    & skf18("9","9","10","3","7","10","1") = "9"
    & skf18("9","9","10","3","8","1","1") = "9"
    & skf18("9","9","10","3","8","2","1") = "9"
    & skf18("9","9","10","3","8","3","1") = "9"
    & skf18("9","9","10","3","8","4","1") = "9"
    & skf18("9","9","10","3","8","5","1") = "9"
    & skf18("9","9","10","3","8","6","1") = "9"
    & skf18("9","9","10","3","8","7","1") = "9"
    & skf18("9","9","10","3","8","8","1") = "9"
    & skf18("9","9","10","3","8","9","1") = "9"
    & skf18("9","9","10","3","8","10","1") = "9"
    & skf18("9","9","10","3","9","1","1") = "9"
    & skf18("9","9","10","3","9","2","1") = "9"
    & skf18("9","9","10","3","9","3","1") = "9"
    & skf18("9","9","10","3","9","4","1") = "9"
    & skf18("9","9","10","3","9","5","1") = "9"
    & skf18("9","9","10","3","9","6","1") = "9"
    & skf18("9","9","10","3","9","7","1") = "9"
    & skf18("9","9","10","3","9","8","1") = "9"
    & skf18("9","9","10","3","9","9","1") = "9"
    & skf18("9","9","10","3","9","10","1") = "9"
    & skf18("9","9","10","3","10","1","1") = "9"
    & skf18("9","9","10","3","10","2","1") = "9"
    & skf18("9","9","10","3","10","3","1") = "9"
    & skf18("9","9","10","3","10","4","1") = "9"
    & skf18("9","9","10","3","10","5","1") = "9"
    & skf18("9","9","10","3","10","6","1") = "9"
    & skf18("9","9","10","3","10","7","1") = "9"
    & skf18("9","9","10","3","10","8","1") = "9"
    & skf18("9","9","10","3","10","9","1") = "9"
    & skf18("9","9","10","3","10","10","1") = "9"
    & skf18("9","9","10","4","1","1","1") = "9"
    & skf18("9","9","10","4","1","2","1") = "9"
    & skf18("9","9","10","4","1","3","1") = "9"
    & skf18("9","9","10","4","1","4","1") = "9"
    & skf18("9","9","10","4","1","5","1") = "9"
    & skf18("9","9","10","4","1","6","1") = "9"
    & skf18("9","9","10","4","1","7","1") = "9"
    & skf18("9","9","10","4","1","8","1") = "9"
    & skf18("9","9","10","4","1","9","1") = "9"
    & skf18("9","9","10","4","1","10","1") = "9"
    & skf18("9","9","10","4","2","1","1") = "9"
    & skf18("9","9","10","4","2","2","1") = "9"
    & skf18("9","9","10","4","2","3","1") = "9"
    & skf18("9","9","10","4","2","4","1") = "9"
    & skf18("9","9","10","4","2","5","1") = "9"
    & skf18("9","9","10","4","2","6","1") = "9"
    & skf18("9","9","10","4","2","7","1") = "9"
    & skf18("9","9","10","4","2","8","1") = "9"
    & skf18("9","9","10","4","2","9","1") = "9"
    & skf18("9","9","10","4","2","10","1") = "9"
    & skf18("9","9","10","4","3","1","1") = "9"
    & skf18("9","9","10","4","3","2","1") = "9"
    & skf18("9","9","10","4","3","3","1") = "9"
    & skf18("9","9","10","4","3","4","1") = "9"
    & skf18("9","9","10","4","3","5","1") = "9"
    & skf18("9","9","10","4","3","6","1") = "9"
    & skf18("9","9","10","4","3","7","1") = "9"
    & skf18("9","9","10","4","3","8","1") = "9"
    & skf18("9","9","10","4","3","9","1") = "9"
    & skf18("9","9","10","4","3","10","1") = "9"
    & skf18("9","9","10","4","4","1","1") = "9"
    & skf18("9","9","10","4","4","2","1") = "9"
    & skf18("9","9","10","4","4","3","1") = "9"
    & skf18("9","9","10","4","4","4","1") = "9"
    & skf18("9","9","10","4","4","5","1") = "9"
    & skf18("9","9","10","4","4","6","1") = "9"
    & skf18("9","9","10","4","4","7","1") = "9"
    & skf18("9","9","10","4","4","8","1") = "9"
    & skf18("9","9","10","4","4","9","1") = "9"
    & skf18("9","9","10","4","4","10","1") = "9"
    & skf18("9","9","10","4","5","1","1") = "9"
    & skf18("9","9","10","4","5","2","1") = "9"
    & skf18("9","9","10","4","5","3","1") = "9"
    & skf18("9","9","10","4","5","4","1") = "9"
    & skf18("9","9","10","4","5","5","1") = "9"
    & skf18("9","9","10","4","5","6","1") = "9"
    & skf18("9","9","10","4","5","7","1") = "9"
    & skf18("9","9","10","4","5","8","1") = "9"
    & skf18("9","9","10","4","5","9","1") = "9"
    & skf18("9","9","10","4","5","10","1") = "9"
    & skf18("9","9","10","4","6","1","1") = "9"
    & skf18("9","9","10","4","6","2","1") = "9"
    & skf18("9","9","10","4","6","3","1") = "9"
    & skf18("9","9","10","4","6","4","1") = "9"
    & skf18("9","9","10","4","6","5","1") = "9"
    & skf18("9","9","10","4","6","6","1") = "9"
    & skf18("9","9","10","4","6","7","1") = "9"
    & skf18("9","9","10","4","6","8","1") = "9"
    & skf18("9","9","10","4","6","9","1") = "9"
    & skf18("9","9","10","4","6","10","1") = "9"
    & skf18("9","9","10","4","7","1","1") = "9"
    & skf18("9","9","10","4","7","2","1") = "9"
    & skf18("9","9","10","4","7","3","1") = "9"
    & skf18("9","9","10","4","7","4","1") = "9"
    & skf18("9","9","10","4","7","5","1") = "9"
    & skf18("9","9","10","4","7","6","1") = "9"
    & skf18("9","9","10","4","7","7","1") = "9"
    & skf18("9","9","10","4","7","8","1") = "9"
    & skf18("9","9","10","4","7","9","1") = "9"
    & skf18("9","9","10","4","7","10","1") = "9"
    & skf18("9","9","10","4","8","1","1") = "9"
    & skf18("9","9","10","4","8","2","1") = "9"
    & skf18("9","9","10","4","8","3","1") = "9"
    & skf18("9","9","10","4","8","4","1") = "9"
    & skf18("9","9","10","4","8","5","1") = "9"
    & skf18("9","9","10","4","8","6","1") = "9"
    & skf18("9","9","10","4","8","7","1") = "9"
    & skf18("9","9","10","4","8","8","1") = "9"
    & skf18("9","9","10","4","8","9","1") = "9"
    & skf18("9","9","10","4","8","10","1") = "9"
    & skf18("9","9","10","4","9","1","1") = "9"
    & skf18("9","9","10","4","9","2","1") = "9"
    & skf18("9","9","10","4","9","3","1") = "9"
    & skf18("9","9","10","4","9","4","1") = "9"
    & skf18("9","9","10","4","9","5","1") = "9"
    & skf18("9","9","10","4","9","6","1") = "9"
    & skf18("9","9","10","4","9","7","1") = "9"
    & skf18("9","9","10","4","9","8","1") = "9"
    & skf18("9","9","10","4","9","9","1") = "9"
    & skf18("9","9","10","4","9","10","1") = "9"
    & skf18("9","9","10","4","10","1","1") = "9"
    & skf18("9","9","10","4","10","2","1") = "9"
    & skf18("9","9","10","4","10","3","1") = "9"
    & skf18("9","9","10","4","10","4","1") = "9"
    & skf18("9","9","10","4","10","5","1") = "9"
    & skf18("9","9","10","4","10","6","1") = "9"
    & skf18("9","9","10","4","10","7","1") = "9"
    & skf18("9","9","10","4","10","8","1") = "9"
    & skf18("9","9","10","4","10","9","1") = "9"
    & skf18("9","9","10","4","10","10","1") = "9"
    & skf18("9","9","10","5","1","1","1") = "9"
    & skf18("9","9","10","5","1","2","1") = "9"
    & skf18("9","9","10","5","1","3","1") = "9"
    & skf18("9","9","10","5","1","4","1") = "9"
    & skf18("9","9","10","5","1","5","1") = "9"
    & skf18("9","9","10","5","1","6","1") = "9"
    & skf18("9","9","10","5","1","7","1") = "9"
    & skf18("9","9","10","5","1","8","1") = "9"
    & skf18("9","9","10","5","1","9","1") = "9"
    & skf18("9","9","10","5","1","10","1") = "9"
    & skf18("9","9","10","5","2","1","1") = "9"
    & skf18("9","9","10","5","2","2","1") = "9"
    & skf18("9","9","10","5","2","3","1") = "9"
    & skf18("9","9","10","5","2","4","1") = "9"
    & skf18("9","9","10","5","2","5","1") = "9"
    & skf18("9","9","10","5","2","6","1") = "9"
    & skf18("9","9","10","5","2","7","1") = "9"
    & skf18("9","9","10","5","2","8","1") = "9"
    & skf18("9","9","10","5","2","9","1") = "9"
    & skf18("9","9","10","5","2","10","1") = "9"
    & skf18("9","9","10","5","3","1","1") = "9"
    & skf18("9","9","10","5","3","2","1") = "9"
    & skf18("9","9","10","5","3","3","1") = "9"
    & skf18("9","9","10","5","3","4","1") = "9"
    & skf18("9","9","10","5","3","5","1") = "9"
    & skf18("9","9","10","5","3","6","1") = "9"
    & skf18("9","9","10","5","3","7","1") = "9"
    & skf18("9","9","10","5","3","8","1") = "9"
    & skf18("9","9","10","5","3","9","1") = "9"
    & skf18("9","9","10","5","3","10","1") = "9"
    & skf18("9","9","10","5","4","1","1") = "9"
    & skf18("9","9","10","5","4","2","1") = "9"
    & skf18("9","9","10","5","4","3","1") = "9"
    & skf18("9","9","10","5","4","4","1") = "9"
    & skf18("9","9","10","5","4","5","1") = "9"
    & skf18("9","9","10","5","4","6","1") = "9"
    & skf18("9","9","10","5","4","7","1") = "9"
    & skf18("9","9","10","5","4","8","1") = "9"
    & skf18("9","9","10","5","4","9","1") = "9"
    & skf18("9","9","10","5","4","10","1") = "9"
    & skf18("9","9","10","5","5","1","1") = "9"
    & skf18("9","9","10","5","5","2","1") = "9"
    & skf18("9","9","10","5","5","3","1") = "9"
    & skf18("9","9","10","5","5","4","1") = "9"
    & skf18("9","9","10","5","5","5","1") = "9"
    & skf18("9","9","10","5","5","6","1") = "9"
    & skf18("9","9","10","5","5","7","1") = "9"
    & skf18("9","9","10","5","5","8","1") = "9"
    & skf18("9","9","10","5","5","9","1") = "9"
    & skf18("9","9","10","5","5","10","1") = "9"
    & skf18("9","9","10","5","6","1","1") = "9"
    & skf18("9","9","10","5","6","2","1") = "9"
    & skf18("9","9","10","5","6","3","1") = "9"
    & skf18("9","9","10","5","6","4","1") = "9"
    & skf18("9","9","10","5","6","5","1") = "9"
    & skf18("9","9","10","5","6","6","1") = "9"
    & skf18("9","9","10","5","6","7","1") = "9"
    & skf18("9","9","10","5","6","8","1") = "9"
    & skf18("9","9","10","5","6","9","1") = "9"
    & skf18("9","9","10","5","6","10","1") = "9"
    & skf18("9","9","10","5","7","1","1") = "9"
    & skf18("9","9","10","5","7","2","1") = "9"
    & skf18("9","9","10","5","7","3","1") = "9"
    & skf18("9","9","10","5","7","4","1") = "9"
    & skf18("9","9","10","5","7","5","1") = "9"
    & skf18("9","9","10","5","7","6","1") = "9"
    & skf18("9","9","10","5","7","7","1") = "9"
    & skf18("9","9","10","5","7","8","1") = "9"
    & skf18("9","9","10","5","7","9","1") = "9"
    & skf18("9","9","10","5","7","10","1") = "9"
    & skf18("9","9","10","5","8","1","1") = "9"
    & skf18("9","9","10","5","8","2","1") = "9"
    & skf18("9","9","10","5","8","3","1") = "9"
    & skf18("9","9","10","5","8","4","1") = "9"
    & skf18("9","9","10","5","8","5","1") = "9"
    & skf18("9","9","10","5","8","6","1") = "9"
    & skf18("9","9","10","5","8","7","1") = "9"
    & skf18("9","9","10","5","8","8","1") = "9"
    & skf18("9","9","10","5","8","9","1") = "9"
    & skf18("9","9","10","5","8","10","1") = "9"
    & skf18("9","9","10","5","9","1","1") = "9"
    & skf18("9","9","10","5","9","2","1") = "9"
    & skf18("9","9","10","5","9","3","1") = "9"
    & skf18("9","9","10","5","9","4","1") = "9"
    & skf18("9","9","10","5","9","5","1") = "9"
    & skf18("9","9","10","5","9","6","1") = "9"
    & skf18("9","9","10","5","9","7","1") = "9"
    & skf18("9","9","10","5","9","8","1") = "9"
    & skf18("9","9","10","5","9","9","1") = "9"
    & skf18("9","9","10","5","9","10","1") = "9"
    & skf18("9","9","10","5","10","1","1") = "9"
    & skf18("9","9","10","5","10","2","1") = "9"
    & skf18("9","9","10","5","10","3","1") = "9"
    & skf18("9","9","10","5","10","4","1") = "9"
    & skf18("9","9","10","5","10","5","1") = "9"
    & skf18("9","9","10","5","10","6","1") = "9"
    & skf18("9","9","10","5","10","7","1") = "9"
    & skf18("9","9","10","5","10","8","1") = "9"
    & skf18("9","9","10","5","10","9","1") = "9"
    & skf18("9","9","10","5","10","10","1") = "9"
    & skf18("9","9","10","6","1","1","1") = "9"
    & skf18("9","9","10","6","1","2","1") = "9"
    & skf18("9","9","10","6","1","3","1") = "9"
    & skf18("9","9","10","6","1","4","1") = "9"
    & skf18("9","9","10","6","1","5","1") = "9"
    & skf18("9","9","10","6","1","6","1") = "9"
    & skf18("9","9","10","6","1","7","1") = "9"
    & skf18("9","9","10","6","1","8","1") = "9"
    & skf18("9","9","10","6","1","9","1") = "9"
    & skf18("9","9","10","6","1","10","1") = "9"
    & skf18("9","9","10","6","2","1","1") = "9"
    & skf18("9","9","10","6","2","2","1") = "9"
    & skf18("9","9","10","6","2","3","1") = "9"
    & skf18("9","9","10","6","2","4","1") = "9"
    & skf18("9","9","10","6","2","5","1") = "9"
    & skf18("9","9","10","6","2","6","1") = "9"
    & skf18("9","9","10","6","2","7","1") = "9"
    & skf18("9","9","10","6","2","8","1") = "9"
    & skf18("9","9","10","6","2","9","1") = "9"
    & skf18("9","9","10","6","2","10","1") = "9"
    & skf18("9","9","10","6","3","1","1") = "9"
    & skf18("9","9","10","6","3","2","1") = "9"
    & skf18("9","9","10","6","3","3","1") = "9"
    & skf18("9","9","10","6","3","4","1") = "9"
    & skf18("9","9","10","6","3","5","1") = "9"
    & skf18("9","9","10","6","3","6","1") = "9"
    & skf18("9","9","10","6","3","7","1") = "9"
    & skf18("9","9","10","6","3","8","1") = "9"
    & skf18("9","9","10","6","3","9","1") = "9"
    & skf18("9","9","10","6","3","10","1") = "9"
    & skf18("9","9","10","6","4","1","1") = "9"
    & skf18("9","9","10","6","4","2","1") = "9"
    & skf18("9","9","10","6","4","3","1") = "9"
    & skf18("9","9","10","6","4","4","1") = "9"
    & skf18("9","9","10","6","4","5","1") = "9"
    & skf18("9","9","10","6","4","6","1") = "9"
    & skf18("9","9","10","6","4","7","1") = "9"
    & skf18("9","9","10","6","4","8","1") = "9"
    & skf18("9","9","10","6","4","9","1") = "9"
    & skf18("9","9","10","6","4","10","1") = "9"
    & skf18("9","9","10","6","5","1","1") = "9"
    & skf18("9","9","10","6","5","2","1") = "9"
    & skf18("9","9","10","6","5","3","1") = "9"
    & skf18("9","9","10","6","5","4","1") = "9"
    & skf18("9","9","10","6","5","5","1") = "9"
    & skf18("9","9","10","6","5","6","1") = "9"
    & skf18("9","9","10","6","5","7","1") = "9"
    & skf18("9","9","10","6","5","8","1") = "9"
    & skf18("9","9","10","6","5","9","1") = "9"
    & skf18("9","9","10","6","5","10","1") = "9"
    & skf18("9","9","10","6","6","1","1") = "9"
    & skf18("9","9","10","6","6","2","1") = "9"
    & skf18("9","9","10","6","6","3","1") = "9"
    & skf18("9","9","10","6","6","4","1") = "9"
    & skf18("9","9","10","6","6","5","1") = "9"
    & skf18("9","9","10","6","6","6","1") = "9"
    & skf18("9","9","10","6","6","7","1") = "9"
    & skf18("9","9","10","6","6","8","1") = "9"
    & skf18("9","9","10","6","6","9","1") = "9"
    & skf18("9","9","10","6","6","10","1") = "9"
    & skf18("9","9","10","6","7","1","1") = "9"
    & skf18("9","9","10","6","7","2","1") = "9"
    & skf18("9","9","10","6","7","3","1") = "9"
    & skf18("9","9","10","6","7","4","1") = "9"
    & skf18("9","9","10","6","7","5","1") = "9"
    & skf18("9","9","10","6","7","6","1") = "9"
    & skf18("9","9","10","6","7","7","1") = "9"
    & skf18("9","9","10","6","7","8","1") = "9"
    & skf18("9","9","10","6","7","9","1") = "9"
    & skf18("9","9","10","6","7","10","1") = "9"
    & skf18("9","9","10","6","8","1","1") = "9"
    & skf18("9","9","10","6","8","2","1") = "9"
    & skf18("9","9","10","6","8","3","1") = "9"
    & skf18("9","9","10","6","8","4","1") = "9"
    & skf18("9","9","10","6","8","5","1") = "9"
    & skf18("9","9","10","6","8","6","1") = "9"
    & skf18("9","9","10","6","8","7","1") = "9"
    & skf18("9","9","10","6","8","8","1") = "9"
    & skf18("9","9","10","6","8","9","1") = "9"
    & skf18("9","9","10","6","8","10","1") = "9"
    & skf18("9","9","10","6","9","1","1") = "9"
    & skf18("9","9","10","6","9","2","1") = "9"
    & skf18("9","9","10","6","9","3","1") = "9"
    & skf18("9","9","10","6","9","4","1") = "9"
    & skf18("9","9","10","6","9","5","1") = "9"
    & skf18("9","9","10","6","9","6","1") = "9"
    & skf18("9","9","10","6","9","7","1") = "9"
    & skf18("9","9","10","6","9","8","1") = "9"
    & skf18("9","9","10","6","9","9","1") = "9"
    & skf18("9","9","10","6","9","10","1") = "9"
    & skf18("9","9","10","6","10","1","1") = "9"
    & skf18("9","9","10","6","10","2","1") = "9"
    & skf18("9","9","10","6","10","3","1") = "9"
    & skf18("9","9","10","6","10","4","1") = "9"
    & skf18("9","9","10","6","10","5","1") = "9"
    & skf18("9","9","10","6","10","6","1") = "9"
    & skf18("9","9","10","6","10","7","1") = "9"
    & skf18("9","9","10","6","10","8","1") = "9"
    & skf18("9","9","10","6","10","9","1") = "9"
    & skf18("9","9","10","6","10","10","1") = "9"
    & skf18("9","9","10","7","1","1","1") = "9"
    & skf18("9","9","10","7","1","2","1") = "9"
    & skf18("9","9","10","7","1","3","1") = "9"
    & skf18("9","9","10","7","1","4","1") = "9"
    & skf18("9","9","10","7","1","5","1") = "9"
    & skf18("9","9","10","7","1","6","1") = "9"
    & skf18("9","9","10","7","1","7","1") = "9"
    & skf18("9","9","10","7","1","8","1") = "9"
    & skf18("9","9","10","7","1","9","1") = "9"
    & skf18("9","9","10","7","1","10","1") = "9"
    & skf18("9","9","10","7","2","1","1") = "9"
    & skf18("9","9","10","7","2","2","1") = "9"
    & skf18("9","9","10","7","2","3","1") = "9"
    & skf18("9","9","10","7","2","4","1") = "9"
    & skf18("9","9","10","7","2","5","1") = "9"
    & skf18("9","9","10","7","2","6","1") = "9"
    & skf18("9","9","10","7","2","7","1") = "9"
    & skf18("9","9","10","7","2","8","1") = "9"
    & skf18("9","9","10","7","2","9","1") = "9"
    & skf18("9","9","10","7","2","10","1") = "9"
    & skf18("9","9","10","7","3","1","1") = "9"
    & skf18("9","9","10","7","3","2","1") = "9"
    & skf18("9","9","10","7","3","3","1") = "9"
    & skf18("9","9","10","7","3","4","1") = "9"
    & skf18("9","9","10","7","3","5","1") = "9"
    & skf18("9","9","10","7","3","6","1") = "9"
    & skf18("9","9","10","7","3","7","1") = "9"
    & skf18("9","9","10","7","3","8","1") = "9"
    & skf18("9","9","10","7","3","9","1") = "9"
    & skf18("9","9","10","7","3","10","1") = "9"
    & skf18("9","9","10","7","4","1","1") = "9"
    & skf18("9","9","10","7","4","2","1") = "9"
    & skf18("9","9","10","7","4","3","1") = "9"
    & skf18("9","9","10","7","4","4","1") = "9"
    & skf18("9","9","10","7","4","5","1") = "9"
    & skf18("9","9","10","7","4","6","1") = "9"
    & skf18("9","9","10","7","4","7","1") = "9"
    & skf18("9","9","10","7","4","8","1") = "9"
    & skf18("9","9","10","7","4","9","1") = "9"
    & skf18("9","9","10","7","4","10","1") = "9"
    & skf18("9","9","10","7","5","1","1") = "9"
    & skf18("9","9","10","7","5","2","1") = "9"
    & skf18("9","9","10","7","5","3","1") = "9"
    & skf18("9","9","10","7","5","4","1") = "9"
    & skf18("9","9","10","7","5","5","1") = "9"
    & skf18("9","9","10","7","5","6","1") = "9"
    & skf18("9","9","10","7","5","7","1") = "9"
    & skf18("9","9","10","7","5","8","1") = "9"
    & skf18("9","9","10","7","5","9","1") = "9"
    & skf18("9","9","10","7","5","10","1") = "9"
    & skf18("9","9","10","7","6","1","1") = "9"
    & skf18("9","9","10","7","6","2","1") = "9"
    & skf18("9","9","10","7","6","3","1") = "9"
    & skf18("9","9","10","7","6","4","1") = "9"
    & skf18("9","9","10","7","6","5","1") = "9"
    & skf18("9","9","10","7","6","6","1") = "9"
    & skf18("9","9","10","7","6","7","1") = "9"
    & skf18("9","9","10","7","6","8","1") = "9"
    & skf18("9","9","10","7","6","9","1") = "9"
    & skf18("9","9","10","7","6","10","1") = "9"
    & skf18("9","9","10","7","7","1","1") = "9"
    & skf18("9","9","10","7","7","2","1") = "9"
    & skf18("9","9","10","7","7","3","1") = "9"
    & skf18("9","9","10","7","7","4","1") = "9"
    & skf18("9","9","10","7","7","5","1") = "9"
    & skf18("9","9","10","7","7","6","1") = "9"
    & skf18("9","9","10","7","7","7","1") = "9"
    & skf18("9","9","10","7","7","8","1") = "9"
    & skf18("9","9","10","7","7","9","1") = "9"
    & skf18("9","9","10","7","7","10","1") = "9"
    & skf18("9","9","10","7","8","1","1") = "9"
    & skf18("9","9","10","7","8","2","1") = "9"
    & skf18("9","9","10","7","8","3","1") = "9"
    & skf18("9","9","10","7","8","4","1") = "9"
    & skf18("9","9","10","7","8","5","1") = "9"
    & skf18("9","9","10","7","8","6","1") = "9"
    & skf18("9","9","10","7","8","7","1") = "9"
    & skf18("9","9","10","7","8","8","1") = "9"
    & skf18("9","9","10","7","8","9","1") = "9"
    & skf18("9","9","10","7","8","10","1") = "9"
    & skf18("9","9","10","7","9","1","1") = "9"
    & skf18("9","9","10","7","9","2","1") = "9"
    & skf18("9","9","10","7","9","3","1") = "9"
    & skf18("9","9","10","7","9","4","1") = "9"
    & skf18("9","9","10","7","9","5","1") = "9"
    & skf18("9","9","10","7","9","6","1") = "9"
    & skf18("9","9","10","7","9","7","1") = "9"
    & skf18("9","9","10","7","9","8","1") = "9"
    & skf18("9","9","10","7","9","9","1") = "9"
    & skf18("9","9","10","7","9","10","1") = "9"
    & skf18("9","9","10","7","10","1","1") = "9"
    & skf18("9","9","10","7","10","2","1") = "9"
    & skf18("9","9","10","7","10","3","1") = "9"
    & skf18("9","9","10","7","10","4","1") = "9"
    & skf18("9","9","10","7","10","5","1") = "9"
    & skf18("9","9","10","7","10","6","1") = "9"
    & skf18("9","9","10","7","10","7","1") = "9"
    & skf18("9","9","10","7","10","8","1") = "9"
    & skf18("9","9","10","7","10","9","1") = "9"
    & skf18("9","9","10","7","10","10","1") = "9"
    & skf18("9","9","10","8","1","1","1") = "9"
    & skf18("9","9","10","8","1","2","1") = "9"
    & skf18("9","9","10","8","1","3","1") = "9"
    & skf18("9","9","10","8","1","4","1") = "9"
    & skf18("9","9","10","8","1","5","1") = "9"
    & skf18("9","9","10","8","1","6","1") = "9"
    & skf18("9","9","10","8","1","7","1") = "9"
    & skf18("9","9","10","8","1","8","1") = "9"
    & skf18("9","9","10","8","1","9","1") = "9"
    & skf18("9","9","10","8","1","10","1") = "9"
    & skf18("9","9","10","8","2","1","1") = "9"
    & skf18("9","9","10","8","2","2","1") = "9"
    & skf18("9","9","10","8","2","3","1") = "9"
    & skf18("9","9","10","8","2","4","1") = "9"
    & skf18("9","9","10","8","2","5","1") = "9"
    & skf18("9","9","10","8","2","6","1") = "9"
    & skf18("9","9","10","8","2","7","1") = "9"
    & skf18("9","9","10","8","2","8","1") = "9"
    & skf18("9","9","10","8","2","9","1") = "9"
    & skf18("9","9","10","8","2","10","1") = "9"
    & skf18("9","9","10","8","3","1","1") = "9"
    & skf18("9","9","10","8","3","2","1") = "9"
    & skf18("9","9","10","8","3","3","1") = "9"
    & skf18("9","9","10","8","3","4","1") = "9"
    & skf18("9","9","10","8","3","5","1") = "9"
    & skf18("9","9","10","8","3","6","1") = "9"
    & skf18("9","9","10","8","3","7","1") = "9"
    & skf18("9","9","10","8","3","8","1") = "9"
    & skf18("9","9","10","8","3","9","1") = "9"
    & skf18("9","9","10","8","3","10","1") = "9"
    & skf18("9","9","10","8","4","1","1") = "9"
    & skf18("9","9","10","8","4","2","1") = "9"
    & skf18("9","9","10","8","4","3","1") = "9"
    & skf18("9","9","10","8","4","4","1") = "9"
    & skf18("9","9","10","8","4","5","1") = "9"
    & skf18("9","9","10","8","4","6","1") = "9"
    & skf18("9","9","10","8","4","7","1") = "9"
    & skf18("9","9","10","8","4","8","1") = "9"
    & skf18("9","9","10","8","4","9","1") = "9"
    & skf18("9","9","10","8","4","10","1") = "9"
    & skf18("9","9","10","8","5","1","1") = "9"
    & skf18("9","9","10","8","5","2","1") = "9"
    & skf18("9","9","10","8","5","3","1") = "9"
    & skf18("9","9","10","8","5","4","1") = "9"
    & skf18("9","9","10","8","5","5","1") = "9"
    & skf18("9","9","10","8","5","6","1") = "9"
    & skf18("9","9","10","8","5","7","1") = "9"
    & skf18("9","9","10","8","5","8","1") = "9"
    & skf18("9","9","10","8","5","9","1") = "9"
    & skf18("9","9","10","8","5","10","1") = "9"
    & skf18("9","9","10","8","6","1","1") = "9"
    & skf18("9","9","10","8","6","2","1") = "9"
    & skf18("9","9","10","8","6","3","1") = "9"
    & skf18("9","9","10","8","6","4","1") = "9"
    & skf18("9","9","10","8","6","5","1") = "9"
    & skf18("9","9","10","8","6","6","1") = "9"
    & skf18("9","9","10","8","6","7","1") = "9"
    & skf18("9","9","10","8","6","8","1") = "9"
    & skf18("9","9","10","8","6","9","1") = "9"
    & skf18("9","9","10","8","6","10","1") = "9"
    & skf18("9","9","10","8","7","1","1") = "9"
    & skf18("9","9","10","8","7","2","1") = "9"
    & skf18("9","9","10","8","7","3","1") = "9"
    & skf18("9","9","10","8","7","4","1") = "9"
    & skf18("9","9","10","8","7","5","1") = "9"
    & skf18("9","9","10","8","7","6","1") = "9"
    & skf18("9","9","10","8","7","7","1") = "9"
    & skf18("9","9","10","8","7","8","1") = "9"
    & skf18("9","9","10","8","7","9","1") = "9"
    & skf18("9","9","10","8","7","10","1") = "9"
    & skf18("9","9","10","8","8","1","1") = "9"
    & skf18("9","9","10","8","8","2","1") = "9"
    & skf18("9","9","10","8","8","3","1") = "9"
    & skf18("9","9","10","8","8","4","1") = "9"
    & skf18("9","9","10","8","8","5","1") = "9"
    & skf18("9","9","10","8","8","6","1") = "9"
    & skf18("9","9","10","8","8","7","1") = "9"
    & skf18("9","9","10","8","8","8","1") = "9"
    & skf18("9","9","10","8","8","9","1") = "9"
    & skf18("9","9","10","8","8","10","1") = "9"
    & skf18("9","9","10","8","9","1","1") = "9"
    & skf18("9","9","10","8","9","2","1") = "9"
    & skf18("9","9","10","8","9","3","1") = "9"
    & skf18("9","9","10","8","9","4","1") = "9"
    & skf18("9","9","10","8","9","5","1") = "9"
    & skf18("9","9","10","8","9","6","1") = "9"
    & skf18("9","9","10","8","9","7","1") = "9"
    & skf18("9","9","10","8","9","8","1") = "9"
    & skf18("9","9","10","8","9","9","1") = "9"
    & skf18("9","9","10","8","9","10","1") = "9"
    & skf18("9","9","10","8","10","1","1") = "9"
    & skf18("9","9","10","8","10","2","1") = "9"
    & skf18("9","9","10","8","10","3","1") = "9"
    & skf18("9","9","10","8","10","4","1") = "9"
    & skf18("9","9","10","8","10","5","1") = "9"
    & skf18("9","9","10","8","10","6","1") = "9"
    & skf18("9","9","10","8","10","7","1") = "9"
    & skf18("9","9","10","8","10","8","1") = "9"
    & skf18("9","9","10","8","10","9","1") = "9"
    & skf18("9","9","10","8","10","10","1") = "9"
    & skf18("9","9","10","9","1","1","1") = "9"
    & skf18("9","9","10","9","1","2","1") = "9"
    & skf18("9","9","10","9","1","3","1") = "9"
    & skf18("9","9","10","9","1","4","1") = "9"
    & skf18("9","9","10","9","1","5","1") = "9"
    & skf18("9","9","10","9","1","6","1") = "9"
    & skf18("9","9","10","9","1","7","1") = "9"
    & skf18("9","9","10","9","1","8","1") = "9"
    & skf18("9","9","10","9","1","9","1") = "9"
    & skf18("9","9","10","9","1","10","1") = "9"
    & skf18("9","9","10","9","2","1","1") = "9"
    & skf18("9","9","10","9","2","2","1") = "9"
    & skf18("9","9","10","9","2","3","1") = "9"
    & skf18("9","9","10","9","2","4","1") = "9"
    & skf18("9","9","10","9","2","5","1") = "9"
    & skf18("9","9","10","9","2","6","1") = "9"
    & skf18("9","9","10","9","2","7","1") = "9"
    & skf18("9","9","10","9","2","8","1") = "9"
    & skf18("9","9","10","9","2","9","1") = "9"
    & skf18("9","9","10","9","2","10","1") = "9"
    & skf18("9","9","10","9","3","1","1") = "9"
    & skf18("9","9","10","9","3","2","1") = "9"
    & skf18("9","9","10","9","3","3","1") = "9"
    & skf18("9","9","10","9","3","4","1") = "9"
    & skf18("9","9","10","9","3","5","1") = "9"
    & skf18("9","9","10","9","3","6","1") = "9"
    & skf18("9","9","10","9","3","7","1") = "9"
    & skf18("9","9","10","9","3","8","1") = "9"
    & skf18("9","9","10","9","3","9","1") = "9"
    & skf18("9","9","10","9","3","10","1") = "9"
    & skf18("9","9","10","9","4","1","1") = "9"
    & skf18("9","9","10","9","4","2","1") = "9"
    & skf18("9","9","10","9","4","3","1") = "9"
    & skf18("9","9","10","9","4","4","1") = "9"
    & skf18("9","9","10","9","4","5","1") = "9"
    & skf18("9","9","10","9","4","6","1") = "9"
    & skf18("9","9","10","9","4","7","1") = "9"
    & skf18("9","9","10","9","4","8","1") = "9"
    & skf18("9","9","10","9","4","9","1") = "9"
    & skf18("9","9","10","9","4","10","1") = "9"
    & skf18("9","9","10","9","5","1","1") = "9"
    & skf18("9","9","10","9","5","2","1") = "9"
    & skf18("9","9","10","9","5","3","1") = "9"
    & skf18("9","9","10","9","5","4","1") = "9"
    & skf18("9","9","10","9","5","5","1") = "9"
    & skf18("9","9","10","9","5","6","1") = "9"
    & skf18("9","9","10","9","5","7","1") = "9"
    & skf18("9","9","10","9","5","8","1") = "9"
    & skf18("9","9","10","9","5","9","1") = "9"
    & skf18("9","9","10","9","5","10","1") = "9"
    & skf18("9","9","10","9","6","1","1") = "9"
    & skf18("9","9","10","9","6","2","1") = "9"
    & skf18("9","9","10","9","6","3","1") = "9"
    & skf18("9","9","10","9","6","4","1") = "9"
    & skf18("9","9","10","9","6","5","1") = "9"
    & skf18("9","9","10","9","6","6","1") = "9"
    & skf18("9","9","10","9","6","7","1") = "9"
    & skf18("9","9","10","9","6","8","1") = "9"
    & skf18("9","9","10","9","6","9","1") = "9"
    & skf18("9","9","10","9","6","10","1") = "9"
    & skf18("9","9","10","9","7","1","1") = "9"
    & skf18("9","9","10","9","7","2","1") = "9"
    & skf18("9","9","10","9","7","3","1") = "9"
    & skf18("9","9","10","9","7","4","1") = "9"
    & skf18("9","9","10","9","7","5","1") = "9"
    & skf18("9","9","10","9","7","6","1") = "9"
    & skf18("9","9","10","9","7","7","1") = "9"
    & skf18("9","9","10","9","7","8","1") = "9"
    & skf18("9","9","10","9","7","9","1") = "9"
    & skf18("9","9","10","9","7","10","1") = "9"
    & skf18("9","9","10","9","8","1","1") = "9"
    & skf18("9","9","10","9","8","2","1") = "9"
    & skf18("9","9","10","9","8","3","1") = "9"
    & skf18("9","9","10","9","8","4","1") = "9"
    & skf18("9","9","10","9","8","5","1") = "9"
    & skf18("9","9","10","9","8","6","1") = "9"
    & skf18("9","9","10","9","8","7","1") = "9"
    & skf18("9","9","10","9","8","8","1") = "9"
    & skf18("9","9","10","9","8","9","1") = "9"
    & skf18("9","9","10","9","8","10","1") = "9"
    & skf18("9","9","10","9","9","1","1") = "9"
    & skf18("9","9","10","9","9","2","1") = "9"
    & skf18("9","9","10","9","9","3","1") = "9"
    & skf18("9","9","10","9","9","4","1") = "9"
    & skf18("9","9","10","9","9","5","1") = "9"
    & skf18("9","9","10","9","9","6","1") = "9"
    & skf18("9","9","10","9","9","7","1") = "9"
    & skf18("9","9","10","9","9","8","1") = "9"
    & skf18("9","9","10","9","9","9","1") = "9"
    & skf18("9","9","10","9","9","10","1") = "9"
    & skf18("9","9","10","9","10","1","1") = "9"
    & skf18("9","9","10","9","10","2","1") = "9"
    & skf18("9","9","10","9","10","3","1") = "9"
    & skf18("9","9","10","9","10","4","1") = "9"
    & skf18("9","9","10","9","10","5","1") = "9"
    & skf18("9","9","10","9","10","6","1") = "9"
    & skf18("9","9","10","9","10","7","1") = "9"
    & skf18("9","9","10","9","10","8","1") = "9"
    & skf18("9","9","10","9","10","9","1") = "9"
    & skf18("9","9","10","9","10","10","1") = "9"
    & skf18("9","9","10","10","1","1","1") = "9"
    & skf18("9","9","10","10","1","2","1") = "9"
    & skf18("9","9","10","10","1","3","1") = "9"
    & skf18("9","9","10","10","1","4","1") = "9"
    & skf18("9","9","10","10","1","5","1") = "9"
    & skf18("9","9","10","10","1","6","1") = "9"
    & skf18("9","9","10","10","1","7","1") = "9"
    & skf18("9","9","10","10","1","8","1") = "9"
    & skf18("9","9","10","10","1","9","1") = "9"
    & skf18("9","9","10","10","1","10","1") = "9"
    & skf18("9","9","10","10","2","1","1") = "9"
    & skf18("9","9","10","10","2","2","1") = "9"
    & skf18("9","9","10","10","2","3","1") = "9"
    & skf18("9","9","10","10","2","4","1") = "9"
    & skf18("9","9","10","10","2","5","1") = "9"
    & skf18("9","9","10","10","2","6","1") = "9"
    & skf18("9","9","10","10","2","7","1") = "9"
    & skf18("9","9","10","10","2","8","1") = "9"
    & skf18("9","9","10","10","2","9","1") = "9"
    & skf18("9","9","10","10","2","10","1") = "9"
    & skf18("9","9","10","10","3","1","1") = "9"
    & skf18("9","9","10","10","3","2","1") = "9"
    & skf18("9","9","10","10","3","3","1") = "9"
    & skf18("9","9","10","10","3","4","1") = "9"
    & skf18("9","9","10","10","3","5","1") = "9"
    & skf18("9","9","10","10","3","6","1") = "9"
    & skf18("9","9","10","10","3","7","1") = "9"
    & skf18("9","9","10","10","3","8","1") = "9"
    & skf18("9","9","10","10","3","9","1") = "9"
    & skf18("9","9","10","10","3","10","1") = "9"
    & skf18("9","9","10","10","4","1","1") = "9"
    & skf18("9","9","10","10","4","2","1") = "9"
    & skf18("9","9","10","10","4","3","1") = "9"
    & skf18("9","9","10","10","4","4","1") = "9"
    & skf18("9","9","10","10","4","5","1") = "9"
    & skf18("9","9","10","10","4","6","1") = "9"
    & skf18("9","9","10","10","4","7","1") = "9"
    & skf18("9","9","10","10","4","8","1") = "9"
    & skf18("9","9","10","10","4","9","1") = "9"
    & skf18("9","9","10","10","4","10","1") = "9"
    & skf18("9","9","10","10","5","1","1") = "9"
    & skf18("9","9","10","10","5","2","1") = "9"
    & skf18("9","9","10","10","5","3","1") = "9"
    & skf18("9","9","10","10","5","4","1") = "9"
    & skf18("9","9","10","10","5","5","1") = "9"
    & skf18("9","9","10","10","5","6","1") = "9"
    & skf18("9","9","10","10","5","7","1") = "9"
    & skf18("9","9","10","10","5","8","1") = "9"
    & skf18("9","9","10","10","5","9","1") = "9"
    & skf18("9","9","10","10","5","10","1") = "9"
    & skf18("9","9","10","10","6","1","1") = "9"
    & skf18("9","9","10","10","6","2","1") = "9"
    & skf18("9","9","10","10","6","3","1") = "9"
    & skf18("9","9","10","10","6","4","1") = "9"
    & skf18("9","9","10","10","6","5","1") = "9"
    & skf18("9","9","10","10","6","6","1") = "9"
    & skf18("9","9","10","10","6","7","1") = "9"
    & skf18("9","9","10","10","6","8","1") = "9"
    & skf18("9","9","10","10","6","9","1") = "9"
    & skf18("9","9","10","10","6","10","1") = "9"
    & skf18("9","9","10","10","7","1","1") = "9"
    & skf18("9","9","10","10","7","2","1") = "9"
    & skf18("9","9","10","10","7","3","1") = "9"
    & skf18("9","9","10","10","7","4","1") = "9"
    & skf18("9","9","10","10","7","5","1") = "9"
    & skf18("9","9","10","10","7","6","1") = "9"
    & skf18("9","9","10","10","7","7","1") = "9"
    & skf18("9","9","10","10","7","8","1") = "9"
    & skf18("9","9","10","10","7","9","1") = "9"
    & skf18("9","9","10","10","7","10","1") = "9"
    & skf18("9","9","10","10","8","1","1") = "9"
    & skf18("9","9","10","10","8","2","1") = "9"
    & skf18("9","9","10","10","8","3","1") = "9"
    & skf18("9","9","10","10","8","4","1") = "9"
    & skf18("9","9","10","10","8","5","1") = "9"
    & skf18("9","9","10","10","8","6","1") = "9"
    & skf18("9","9","10","10","8","7","1") = "9"
    & skf18("9","9","10","10","8","8","1") = "9"
    & skf18("9","9","10","10","8","9","1") = "9"
    & skf18("9","9","10","10","8","10","1") = "9"
    & skf18("9","9","10","10","9","1","1") = "9"
    & skf18("9","9","10","10","9","2","1") = "9"
    & skf18("9","9","10","10","9","3","1") = "9"
    & skf18("9","9","10","10","9","4","1") = "9"
    & skf18("9","9","10","10","9","5","1") = "9"
    & skf18("9","9","10","10","9","6","1") = "9"
    & skf18("9","9","10","10","9","7","1") = "9"
    & skf18("9","9","10","10","9","8","1") = "9"
    & skf18("9","9","10","10","9","9","1") = "9"
    & skf18("9","9","10","10","9","10","1") = "9"
    & skf18("9","9","10","10","10","1","1") = "9"
    & skf18("9","9","10","10","10","2","1") = "9"
    & skf18("9","9","10","10","10","3","1") = "9"
    & skf18("9","9","10","10","10","4","1") = "9"
    & skf18("9","9","10","10","10","5","1") = "9"
    & skf18("9","9","10","10","10","6","1") = "9"
    & skf18("9","9","10","10","10","7","1") = "9"
    & skf18("9","9","10","10","10","8","1") = "9"
    & skf18("9","9","10","10","10","9","1") = "9"
    & skf18("9","9","10","10","10","10","1") = "9"
    & skf18("9","10","1","1","1","1","1") = "9"
    & skf18("9","10","1","1","1","2","1") = "9"
    & skf18("9","10","1","1","1","3","1") = "9"
    & skf18("9","10","1","1","1","4","1") = "9"
    & skf18("9","10","1","1","1","5","1") = "9"
    & skf18("9","10","1","1","1","6","1") = "9"
    & skf18("9","10","1","1","1","7","1") = "9"
    & skf18("9","10","1","1","1","8","1") = "9"
    & skf18("9","10","1","1","1","9","1") = "9"
    & skf18("9","10","1","1","1","10","1") = "9"
    & skf18("9","10","1","1","2","1","1") = "9"
    & skf18("9","10","1","1","2","2","1") = "9"
    & skf18("9","10","1","1","2","3","1") = "9"
    & skf18("9","10","1","1","2","4","1") = "9"
    & skf18("9","10","1","1","2","5","1") = "9"
    & skf18("9","10","1","1","2","6","1") = "9"
    & skf18("9","10","1","1","2","7","1") = "9"
    & skf18("9","10","1","1","2","8","1") = "9"
    & skf18("9","10","1","1","2","9","1") = "9"
    & skf18("9","10","1","1","2","10","1") = "9"
    & skf18("9","10","1","1","3","1","1") = "9"
    & skf18("9","10","1","1","3","2","1") = "9"
    & skf18("9","10","1","1","3","3","1") = "9"
    & skf18("9","10","1","1","3","4","1") = "9"
    & skf18("9","10","1","1","3","5","1") = "9"
    & skf18("9","10","1","1","3","6","1") = "9"
    & skf18("9","10","1","1","3","7","1") = "9"
    & skf18("9","10","1","1","3","8","1") = "9"
    & skf18("9","10","1","1","3","9","1") = "9"
    & skf18("9","10","1","1","3","10","1") = "9"
    & skf18("9","10","1","1","4","1","1") = "9"
    & skf18("9","10","1","1","4","2","1") = "9"
    & skf18("9","10","1","1","4","3","1") = "9"
    & skf18("9","10","1","1","4","4","1") = "9"
    & skf18("9","10","1","1","4","5","1") = "9"
    & skf18("9","10","1","1","4","6","1") = "9"
    & skf18("9","10","1","1","4","7","1") = "9"
    & skf18("9","10","1","1","4","8","1") = "9"
    & skf18("9","10","1","1","4","9","1") = "9"
    & skf18("9","10","1","1","4","10","1") = "9"
    & skf18("9","10","1","1","5","1","1") = "9"
    & skf18("9","10","1","1","5","2","1") = "9"
    & skf18("9","10","1","1","5","3","1") = "9"
    & skf18("9","10","1","1","5","4","1") = "9"
    & skf18("9","10","1","1","5","5","1") = "9"
    & skf18("9","10","1","1","5","6","1") = "9"
    & skf18("9","10","1","1","5","7","1") = "9"
    & skf18("9","10","1","1","5","8","1") = "9"
    & skf18("9","10","1","1","5","9","1") = "9"
    & skf18("9","10","1","1","5","10","1") = "9"
    & skf18("9","10","1","1","6","1","1") = "9"
    & skf18("9","10","1","1","6","2","1") = "9"
    & skf18("9","10","1","1","6","3","1") = "9"
    & skf18("9","10","1","1","6","4","1") = "9"
    & skf18("9","10","1","1","6","5","1") = "9"
    & skf18("9","10","1","1","6","6","1") = "9"
    & skf18("9","10","1","1","6","7","1") = "9"
    & skf18("9","10","1","1","6","8","1") = "9"
    & skf18("9","10","1","1","6","9","1") = "9"
    & skf18("9","10","1","1","6","10","1") = "9"
    & skf18("9","10","1","1","7","1","1") = "9"
    & skf18("9","10","1","1","7","2","1") = "9"
    & skf18("9","10","1","1","7","3","1") = "9"
    & skf18("9","10","1","1","7","4","1") = "9"
    & skf18("9","10","1","1","7","5","1") = "9"
    & skf18("9","10","1","1","7","6","1") = "9"
    & skf18("9","10","1","1","7","7","1") = "9"
    & skf18("9","10","1","1","7","8","1") = "9"
    & skf18("9","10","1","1","7","9","1") = "9"
    & skf18("9","10","1","1","7","10","1") = "9"
    & skf18("9","10","1","1","8","1","1") = "9"
    & skf18("9","10","1","1","8","2","1") = "9"
    & skf18("9","10","1","1","8","3","1") = "9"
    & skf18("9","10","1","1","8","4","1") = "9"
    & skf18("9","10","1","1","8","5","1") = "9"
    & skf18("9","10","1","1","8","6","1") = "9"
    & skf18("9","10","1","1","8","7","1") = "9"
    & skf18("9","10","1","1","8","8","1") = "9"
    & skf18("9","10","1","1","8","9","1") = "9"
    & skf18("9","10","1","1","8","10","1") = "9"
    & skf18("9","10","1","1","9","1","1") = "9"
    & skf18("9","10","1","1","9","2","1") = "9"
    & skf18("9","10","1","1","9","3","1") = "9"
    & skf18("9","10","1","1","9","4","1") = "9"
    & skf18("9","10","1","1","9","5","1") = "9"
    & skf18("9","10","1","1","9","6","1") = "9"
    & skf18("9","10","1","1","9","7","1") = "9"
    & skf18("9","10","1","1","9","8","1") = "9"
    & skf18("9","10","1","1","9","9","1") = "9"
    & skf18("9","10","1","1","9","10","1") = "9"
    & skf18("9","10","1","1","10","1","1") = "9"
    & skf18("9","10","1","1","10","2","1") = "9"
    & skf18("9","10","1","1","10","3","1") = "9"
    & skf18("9","10","1","1","10","4","1") = "9"
    & skf18("9","10","1","1","10","5","1") = "9"
    & skf18("9","10","1","1","10","6","1") = "9"
    & skf18("9","10","1","1","10","7","1") = "9"
    & skf18("9","10","1","1","10","8","1") = "9"
    & skf18("9","10","1","1","10","9","1") = "9"
    & skf18("9","10","1","1","10","10","1") = "9"
    & skf18("9","10","1","2","1","1","1") = "9"
    & skf18("9","10","1","2","1","2","1") = "9"
    & skf18("9","10","1","2","1","3","1") = "9"
    & skf18("9","10","1","2","1","4","1") = "9"
    & skf18("9","10","1","2","1","5","1") = "9"
    & skf18("9","10","1","2","1","6","1") = "9"
    & skf18("9","10","1","2","1","7","1") = "9"
    & skf18("9","10","1","2","1","8","1") = "9"
    & skf18("9","10","1","2","1","9","1") = "9"
    & skf18("9","10","1","2","1","10","1") = "9"
    & skf18("9","10","1","2","2","1","1") = "9"
    & skf18("9","10","1","2","2","2","1") = "9"
    & skf18("9","10","1","2","2","3","1") = "9"
    & skf18("9","10","1","2","2","4","1") = "9"
    & skf18("9","10","1","2","2","5","1") = "9"
    & skf18("9","10","1","2","2","6","1") = "9"
    & skf18("9","10","1","2","2","7","1") = "9"
    & skf18("9","10","1","2","2","8","1") = "9"
    & skf18("9","10","1","2","2","9","1") = "9"
    & skf18("9","10","1","2","2","10","1") = "9"
    & skf18("9","10","1","2","3","1","1") = "9"
    & skf18("9","10","1","2","3","2","1") = "9"
    & skf18("9","10","1","2","3","3","1") = "9"
    & skf18("9","10","1","2","3","4","1") = "9"
    & skf18("9","10","1","2","3","5","1") = "9"
    & skf18("9","10","1","2","3","6","1") = "9"
    & skf18("9","10","1","2","3","7","1") = "9"
    & skf18("9","10","1","2","3","8","1") = "9"
    & skf18("9","10","1","2","3","9","1") = "9"
    & skf18("9","10","1","2","3","10","1") = "9"
    & skf18("9","10","1","2","4","1","1") = "9"
    & skf18("9","10","1","2","4","2","1") = "9"
    & skf18("9","10","1","2","4","3","1") = "9"
    & skf18("9","10","1","2","4","4","1") = "9"
    & skf18("9","10","1","2","4","5","1") = "9"
    & skf18("9","10","1","2","4","6","1") = "9"
    & skf18("9","10","1","2","4","7","1") = "9"
    & skf18("9","10","1","2","4","8","1") = "9"
    & skf18("9","10","1","2","4","9","1") = "9"
    & skf18("9","10","1","2","4","10","1") = "9"
    & skf18("9","10","1","2","5","1","1") = "9"
    & skf18("9","10","1","2","5","2","1") = "9"
    & skf18("9","10","1","2","5","3","1") = "9"
    & skf18("9","10","1","2","5","4","1") = "9"
    & skf18("9","10","1","2","5","5","1") = "9"
    & skf18("9","10","1","2","5","6","1") = "9"
    & skf18("9","10","1","2","5","7","1") = "9"
    & skf18("9","10","1","2","5","8","1") = "9"
    & skf18("9","10","1","2","5","9","1") = "9"
    & skf18("9","10","1","2","5","10","1") = "9"
    & skf18("9","10","1","2","6","1","1") = "9"
    & skf18("9","10","1","2","6","2","1") = "9"
    & skf18("9","10","1","2","6","3","1") = "9"
    & skf18("9","10","1","2","6","4","1") = "9"
    & skf18("9","10","1","2","6","5","1") = "9"
    & skf18("9","10","1","2","6","6","1") = "9"
    & skf18("9","10","1","2","6","7","1") = "9"
    & skf18("9","10","1","2","6","8","1") = "9"
    & skf18("9","10","1","2","6","9","1") = "9"
    & skf18("9","10","1","2","6","10","1") = "9"
    & skf18("9","10","1","2","7","1","1") = "9"
    & skf18("9","10","1","2","7","2","1") = "9"
    & skf18("9","10","1","2","7","3","1") = "9"
    & skf18("9","10","1","2","7","4","1") = "9"
    & skf18("9","10","1","2","7","5","1") = "9"
    & skf18("9","10","1","2","7","6","1") = "9"
    & skf18("9","10","1","2","7","7","1") = "9"
    & skf18("9","10","1","2","7","8","1") = "9"
    & skf18("9","10","1","2","7","9","1") = "9"
    & skf18("9","10","1","2","7","10","1") = "9"
    & skf18("9","10","1","2","8","1","1") = "9"
    & skf18("9","10","1","2","8","2","1") = "9"
    & skf18("9","10","1","2","8","3","1") = "9"
    & skf18("9","10","1","2","8","4","1") = "9"
    & skf18("9","10","1","2","8","5","1") = "9"
    & skf18("9","10","1","2","8","6","1") = "9"
    & skf18("9","10","1","2","8","7","1") = "9"
    & skf18("9","10","1","2","8","8","1") = "9"
    & skf18("9","10","1","2","8","9","1") = "9"
    & skf18("9","10","1","2","8","10","1") = "9"
    & skf18("9","10","1","2","9","1","1") = "9"
    & skf18("9","10","1","2","9","2","1") = "9"
    & skf18("9","10","1","2","9","3","1") = "9"
    & skf18("9","10","1","2","9","4","1") = "9"
    & skf18("9","10","1","2","9","5","1") = "9"
    & skf18("9","10","1","2","9","6","1") = "9"
    & skf18("9","10","1","2","9","7","1") = "9"
    & skf18("9","10","1","2","9","8","1") = "9"
    & skf18("9","10","1","2","9","9","1") = "9"
    & skf18("9","10","1","2","9","10","1") = "9"
    & skf18("9","10","1","2","10","1","1") = "9"
    & skf18("9","10","1","2","10","2","1") = "9"
    & skf18("9","10","1","2","10","3","1") = "9"
    & skf18("9","10","1","2","10","4","1") = "9"
    & skf18("9","10","1","2","10","5","1") = "9"
    & skf18("9","10","1","2","10","6","1") = "9"
    & skf18("9","10","1","2","10","7","1") = "9"
    & skf18("9","10","1","2","10","8","1") = "9"
    & skf18("9","10","1","2","10","9","1") = "9"
    & skf18("9","10","1","2","10","10","1") = "9"
    & skf18("9","10","1","3","1","1","1") = "9"
    & skf18("9","10","1","3","1","2","1") = "9"
    & skf18("9","10","1","3","1","3","1") = "9"
    & skf18("9","10","1","3","1","4","1") = "9"
    & skf18("9","10","1","3","1","5","1") = "9"
    & skf18("9","10","1","3","1","6","1") = "9"
    & skf18("9","10","1","3","1","7","1") = "9"
    & skf18("9","10","1","3","1","8","1") = "9"
    & skf18("9","10","1","3","1","9","1") = "9"
    & skf18("9","10","1","3","1","10","1") = "9"
    & skf18("9","10","1","3","2","1","1") = "9"
    & skf18("9","10","1","3","2","2","1") = "9"
    & skf18("9","10","1","3","2","3","1") = "9"
    & skf18("9","10","1","3","2","4","1") = "9"
    & skf18("9","10","1","3","2","5","1") = "9"
    & skf18("9","10","1","3","2","6","1") = "9"
    & skf18("9","10","1","3","2","7","1") = "9"
    & skf18("9","10","1","3","2","8","1") = "9"
    & skf18("9","10","1","3","2","9","1") = "9"
    & skf18("9","10","1","3","2","10","1") = "9"
    & skf18("9","10","1","3","3","1","1") = "9"
    & skf18("9","10","1","3","3","2","1") = "9"
    & skf18("9","10","1","3","3","3","1") = "9"
    & skf18("9","10","1","3","3","4","1") = "9"
    & skf18("9","10","1","3","3","5","1") = "9"
    & skf18("9","10","1","3","3","6","1") = "9"
    & skf18("9","10","1","3","3","7","1") = "9"
    & skf18("9","10","1","3","3","8","1") = "9"
    & skf18("9","10","1","3","3","9","1") = "9"
    & skf18("9","10","1","3","3","10","1") = "9"
    & skf18("9","10","1","3","4","1","1") = "9"
    & skf18("9","10","1","3","4","2","1") = "9"
    & skf18("9","10","1","3","4","3","1") = "9"
    & skf18("9","10","1","3","4","4","1") = "9"
    & skf18("9","10","1","3","4","5","1") = "9"
    & skf18("9","10","1","3","4","6","1") = "9"
    & skf18("9","10","1","3","4","7","1") = "9"
    & skf18("9","10","1","3","4","8","1") = "9"
    & skf18("9","10","1","3","4","9","1") = "9"
    & skf18("9","10","1","3","4","10","1") = "9"
    & skf18("9","10","1","3","5","1","1") = "9"
    & skf18("9","10","1","3","5","2","1") = "9"
    & skf18("9","10","1","3","5","3","1") = "9"
    & skf18("9","10","1","3","5","4","1") = "9"
    & skf18("9","10","1","3","5","5","1") = "9"
    & skf18("9","10","1","3","5","6","1") = "9"
    & skf18("9","10","1","3","5","7","1") = "9"
    & skf18("9","10","1","3","5","8","1") = "9"
    & skf18("9","10","1","3","5","9","1") = "9"
    & skf18("9","10","1","3","5","10","1") = "9"
    & skf18("9","10","1","3","6","1","1") = "9"
    & skf18("9","10","1","3","6","2","1") = "9"
    & skf18("9","10","1","3","6","3","1") = "9"
    & skf18("9","10","1","3","6","4","1") = "9"
    & skf18("9","10","1","3","6","5","1") = "9"
    & skf18("9","10","1","3","6","6","1") = "9"
    & skf18("9","10","1","3","6","7","1") = "9"
    & skf18("9","10","1","3","6","8","1") = "9"
    & skf18("9","10","1","3","6","9","1") = "9"
    & skf18("9","10","1","3","6","10","1") = "9"
    & skf18("9","10","1","3","7","1","1") = "9"
    & skf18("9","10","1","3","7","2","1") = "9"
    & skf18("9","10","1","3","7","3","1") = "9"
    & skf18("9","10","1","3","7","4","1") = "9"
    & skf18("9","10","1","3","7","5","1") = "9"
    & skf18("9","10","1","3","7","6","1") = "9"
    & skf18("9","10","1","3","7","7","1") = "9"
    & skf18("9","10","1","3","7","8","1") = "9"
    & skf18("9","10","1","3","7","9","1") = "9"
    & skf18("9","10","1","3","7","10","1") = "9"
    & skf18("9","10","1","3","8","1","1") = "9"
    & skf18("9","10","1","3","8","2","1") = "9"
    & skf18("9","10","1","3","8","3","1") = "9"
    & skf18("9","10","1","3","8","4","1") = "9"
    & skf18("9","10","1","3","8","5","1") = "9"
    & skf18("9","10","1","3","8","6","1") = "9"
    & skf18("9","10","1","3","8","7","1") = "9"
    & skf18("9","10","1","3","8","8","1") = "9"
    & skf18("9","10","1","3","8","9","1") = "9"
    & skf18("9","10","1","3","8","10","1") = "9"
    & skf18("9","10","1","3","9","1","1") = "9"
    & skf18("9","10","1","3","9","2","1") = "9"
    & skf18("9","10","1","3","9","3","1") = "9"
    & skf18("9","10","1","3","9","4","1") = "9"
    & skf18("9","10","1","3","9","5","1") = "9"
    & skf18("9","10","1","3","9","6","1") = "9"
    & skf18("9","10","1","3","9","7","1") = "9"
    & skf18("9","10","1","3","9","8","1") = "9"
    & skf18("9","10","1","3","9","9","1") = "9"
    & skf18("9","10","1","3","9","10","1") = "9"
    & skf18("9","10","1","3","10","1","1") = "9"
    & skf18("9","10","1","3","10","2","1") = "9"
    & skf18("9","10","1","3","10","3","1") = "9"
    & skf18("9","10","1","3","10","4","1") = "9"
    & skf18("9","10","1","3","10","5","1") = "9"
    & skf18("9","10","1","3","10","6","1") = "9"
    & skf18("9","10","1","3","10","7","1") = "9"
    & skf18("9","10","1","3","10","8","1") = "9"
    & skf18("9","10","1","3","10","9","1") = "9"
    & skf18("9","10","1","3","10","10","1") = "9"
    & skf18("9","10","1","4","1","1","1") = "9"
    & skf18("9","10","1","4","1","2","1") = "9"
    & skf18("9","10","1","4","1","3","1") = "9"
    & skf18("9","10","1","4","1","4","1") = "9"
    & skf18("9","10","1","4","1","5","1") = "9"
    & skf18("9","10","1","4","1","6","1") = "9"
    & skf18("9","10","1","4","1","7","1") = "9"
    & skf18("9","10","1","4","1","8","1") = "9"
    & skf18("9","10","1","4","1","9","1") = "9"
    & skf18("9","10","1","4","1","10","1") = "9"
    & skf18("9","10","1","4","2","1","1") = "9"
    & skf18("9","10","1","4","2","2","1") = "9"
    & skf18("9","10","1","4","2","3","1") = "9"
    & skf18("9","10","1","4","2","4","1") = "9"
    & skf18("9","10","1","4","2","5","1") = "9"
    & skf18("9","10","1","4","2","6","1") = "9"
    & skf18("9","10","1","4","2","7","1") = "9"
    & skf18("9","10","1","4","2","8","1") = "9"
    & skf18("9","10","1","4","2","9","1") = "9"
    & skf18("9","10","1","4","2","10","1") = "9"
    & skf18("9","10","1","4","3","1","1") = "9"
    & skf18("9","10","1","4","3","2","1") = "9"
    & skf18("9","10","1","4","3","3","1") = "9"
    & skf18("9","10","1","4","3","4","1") = "9"
    & skf18("9","10","1","4","3","5","1") = "9"
    & skf18("9","10","1","4","3","6","1") = "9"
    & skf18("9","10","1","4","3","7","1") = "9"
    & skf18("9","10","1","4","3","8","1") = "9"
    & skf18("9","10","1","4","3","9","1") = "9"
    & skf18("9","10","1","4","3","10","1") = "9"
    & skf18("9","10","1","4","4","1","1") = "9"
    & skf18("9","10","1","4","4","2","1") = "9"
    & skf18("9","10","1","4","4","3","1") = "9"
    & skf18("9","10","1","4","4","4","1") = "9"
    & skf18("9","10","1","4","4","5","1") = "9"
    & skf18("9","10","1","4","4","6","1") = "9"
    & skf18("9","10","1","4","4","7","1") = "9"
    & skf18("9","10","1","4","4","8","1") = "9"
    & skf18("9","10","1","4","4","9","1") = "9"
    & skf18("9","10","1","4","4","10","1") = "9"
    & skf18("9","10","1","4","5","1","1") = "9"
    & skf18("9","10","1","4","5","2","1") = "9"
    & skf18("9","10","1","4","5","3","1") = "9"
    & skf18("9","10","1","4","5","4","1") = "9"
    & skf18("9","10","1","4","5","5","1") = "9"
    & skf18("9","10","1","4","5","6","1") = "9"
    & skf18("9","10","1","4","5","7","1") = "9"
    & skf18("9","10","1","4","5","8","1") = "9"
    & skf18("9","10","1","4","5","9","1") = "9"
    & skf18("9","10","1","4","5","10","1") = "9"
    & skf18("9","10","1","4","6","1","1") = "9"
    & skf18("9","10","1","4","6","2","1") = "9"
    & skf18("9","10","1","4","6","3","1") = "9"
    & skf18("9","10","1","4","6","4","1") = "9"
    & skf18("9","10","1","4","6","5","1") = "9"
    & skf18("9","10","1","4","6","6","1") = "9"
    & skf18("9","10","1","4","6","7","1") = "9"
    & skf18("9","10","1","4","6","8","1") = "9"
    & skf18("9","10","1","4","6","9","1") = "9"
    & skf18("9","10","1","4","6","10","1") = "9"
    & skf18("9","10","1","4","7","1","1") = "9"
    & skf18("9","10","1","4","7","2","1") = "9"
    & skf18("9","10","1","4","7","3","1") = "9"
    & skf18("9","10","1","4","7","4","1") = "9"
    & skf18("9","10","1","4","7","5","1") = "9"
    & skf18("9","10","1","4","7","6","1") = "9"
    & skf18("9","10","1","4","7","7","1") = "9"
    & skf18("9","10","1","4","7","8","1") = "9"
    & skf18("9","10","1","4","7","9","1") = "9"
    & skf18("9","10","1","4","7","10","1") = "9"
    & skf18("9","10","1","4","8","1","1") = "9"
    & skf18("9","10","1","4","8","2","1") = "9"
    & skf18("9","10","1","4","8","3","1") = "9"
    & skf18("9","10","1","4","8","4","1") = "9"
    & skf18("9","10","1","4","8","5","1") = "9"
    & skf18("9","10","1","4","8","6","1") = "9"
    & skf18("9","10","1","4","8","7","1") = "9"
    & skf18("9","10","1","4","8","8","1") = "9"
    & skf18("9","10","1","4","8","9","1") = "9"
    & skf18("9","10","1","4","8","10","1") = "9"
    & skf18("9","10","1","4","9","1","1") = "9"
    & skf18("9","10","1","4","9","2","1") = "9"
    & skf18("9","10","1","4","9","3","1") = "9"
    & skf18("9","10","1","4","9","4","1") = "9"
    & skf18("9","10","1","4","9","5","1") = "9"
    & skf18("9","10","1","4","9","6","1") = "9"
    & skf18("9","10","1","4","9","7","1") = "9"
    & skf18("9","10","1","4","9","8","1") = "9"
    & skf18("9","10","1","4","9","9","1") = "9"
    & skf18("9","10","1","4","9","10","1") = "9"
    & skf18("9","10","1","4","10","1","1") = "9"
    & skf18("9","10","1","4","10","2","1") = "9"
    & skf18("9","10","1","4","10","3","1") = "9"
    & skf18("9","10","1","4","10","4","1") = "9"
    & skf18("9","10","1","4","10","5","1") = "9"
    & skf18("9","10","1","4","10","6","1") = "9"
    & skf18("9","10","1","4","10","7","1") = "9"
    & skf18("9","10","1","4","10","8","1") = "9"
    & skf18("9","10","1","4","10","9","1") = "9"
    & skf18("9","10","1","4","10","10","1") = "9"
    & skf18("9","10","1","5","1","1","1") = "9"
    & skf18("9","10","1","5","1","2","1") = "9"
    & skf18("9","10","1","5","1","3","1") = "9"
    & skf18("9","10","1","5","1","4","1") = "9"
    & skf18("9","10","1","5","1","5","1") = "9"
    & skf18("9","10","1","5","1","6","1") = "9"
    & skf18("9","10","1","5","1","7","1") = "9"
    & skf18("9","10","1","5","1","8","1") = "9"
    & skf18("9","10","1","5","1","9","1") = "9"
    & skf18("9","10","1","5","1","10","1") = "9"
    & skf18("9","10","1","5","2","1","1") = "9"
    & skf18("9","10","1","5","2","2","1") = "9"
    & skf18("9","10","1","5","2","3","1") = "9"
    & skf18("9","10","1","5","2","4","1") = "9"
    & skf18("9","10","1","5","2","5","1") = "9"
    & skf18("9","10","1","5","2","6","1") = "9"
    & skf18("9","10","1","5","2","7","1") = "9"
    & skf18("9","10","1","5","2","8","1") = "9"
    & skf18("9","10","1","5","2","9","1") = "9"
    & skf18("9","10","1","5","2","10","1") = "9"
    & skf18("9","10","1","5","3","1","1") = "9"
    & skf18("9","10","1","5","3","2","1") = "9"
    & skf18("9","10","1","5","3","3","1") = "9"
    & skf18("9","10","1","5","3","4","1") = "9"
    & skf18("9","10","1","5","3","5","1") = "9"
    & skf18("9","10","1","5","3","6","1") = "9"
    & skf18("9","10","1","5","3","7","1") = "9"
    & skf18("9","10","1","5","3","8","1") = "9"
    & skf18("9","10","1","5","3","9","1") = "9"
    & skf18("9","10","1","5","3","10","1") = "9"
    & skf18("9","10","1","5","4","1","1") = "9"
    & skf18("9","10","1","5","4","2","1") = "9"
    & skf18("9","10","1","5","4","3","1") = "9"
    & skf18("9","10","1","5","4","4","1") = "9"
    & skf18("9","10","1","5","4","5","1") = "9"
    & skf18("9","10","1","5","4","6","1") = "9"
    & skf18("9","10","1","5","4","7","1") = "9"
    & skf18("9","10","1","5","4","8","1") = "9"
    & skf18("9","10","1","5","4","9","1") = "9"
    & skf18("9","10","1","5","4","10","1") = "9"
    & skf18("9","10","1","5","5","1","1") = "9"
    & skf18("9","10","1","5","5","2","1") = "9"
    & skf18("9","10","1","5","5","3","1") = "9"
    & skf18("9","10","1","5","5","4","1") = "9"
    & skf18("9","10","1","5","5","5","1") = "9"
    & skf18("9","10","1","5","5","6","1") = "9"
    & skf18("9","10","1","5","5","7","1") = "9"
    & skf18("9","10","1","5","5","8","1") = "9"
    & skf18("9","10","1","5","5","9","1") = "9"
    & skf18("9","10","1","5","5","10","1") = "9"
    & skf18("9","10","1","5","6","1","1") = "9"
    & skf18("9","10","1","5","6","2","1") = "9"
    & skf18("9","10","1","5","6","3","1") = "9"
    & skf18("9","10","1","5","6","4","1") = "9"
    & skf18("9","10","1","5","6","5","1") = "9"
    & skf18("9","10","1","5","6","6","1") = "9"
    & skf18("9","10","1","5","6","7","1") = "9"
    & skf18("9","10","1","5","6","8","1") = "9"
    & skf18("9","10","1","5","6","9","1") = "9"
    & skf18("9","10","1","5","6","10","1") = "9"
    & skf18("9","10","1","5","7","1","1") = "9"
    & skf18("9","10","1","5","7","2","1") = "9"
    & skf18("9","10","1","5","7","3","1") = "9"
    & skf18("9","10","1","5","7","4","1") = "9"
    & skf18("9","10","1","5","7","5","1") = "9"
    & skf18("9","10","1","5","7","6","1") = "9"
    & skf18("9","10","1","5","7","7","1") = "9"
    & skf18("9","10","1","5","7","8","1") = "9"
    & skf18("9","10","1","5","7","9","1") = "9"
    & skf18("9","10","1","5","7","10","1") = "9"
    & skf18("9","10","1","5","8","1","1") = "9"
    & skf18("9","10","1","5","8","2","1") = "9"
    & skf18("9","10","1","5","8","3","1") = "9"
    & skf18("9","10","1","5","8","4","1") = "9"
    & skf18("9","10","1","5","8","5","1") = "9"
    & skf18("9","10","1","5","8","6","1") = "9"
    & skf18("9","10","1","5","8","7","1") = "9"
    & skf18("9","10","1","5","8","8","1") = "9"
    & skf18("9","10","1","5","8","9","1") = "9"
    & skf18("9","10","1","5","8","10","1") = "9"
    & skf18("9","10","1","5","9","1","1") = "9"
    & skf18("9","10","1","5","9","2","1") = "9"
    & skf18("9","10","1","5","9","3","1") = "9"
    & skf18("9","10","1","5","9","4","1") = "9"
    & skf18("9","10","1","5","9","5","1") = "9"
    & skf18("9","10","1","5","9","6","1") = "9"
    & skf18("9","10","1","5","9","7","1") = "9"
    & skf18("9","10","1","5","9","8","1") = "9"
    & skf18("9","10","1","5","9","9","1") = "9"
    & skf18("9","10","1","5","9","10","1") = "9"
    & skf18("9","10","1","5","10","1","1") = "9"
    & skf18("9","10","1","5","10","2","1") = "9"
    & skf18("9","10","1","5","10","3","1") = "9"
    & skf18("9","10","1","5","10","4","1") = "9"
    & skf18("9","10","1","5","10","5","1") = "9"
    & skf18("9","10","1","5","10","6","1") = "9"
    & skf18("9","10","1","5","10","7","1") = "9"
    & skf18("9","10","1","5","10","8","1") = "9"
    & skf18("9","10","1","5","10","9","1") = "9"
    & skf18("9","10","1","5","10","10","1") = "9"
    & skf18("9","10","1","6","1","1","1") = "9"
    & skf18("9","10","1","6","1","2","1") = "9"
    & skf18("9","10","1","6","1","3","1") = "9"
    & skf18("9","10","1","6","1","4","1") = "9"
    & skf18("9","10","1","6","1","5","1") = "9"
    & skf18("9","10","1","6","1","6","1") = "9"
    & skf18("9","10","1","6","1","7","1") = "9"
    & skf18("9","10","1","6","1","8","1") = "9"
    & skf18("9","10","1","6","1","9","1") = "9"
    & skf18("9","10","1","6","1","10","1") = "9"
    & skf18("9","10","1","6","2","1","1") = "9"
    & skf18("9","10","1","6","2","2","1") = "9"
    & skf18("9","10","1","6","2","3","1") = "9"
    & skf18("9","10","1","6","2","4","1") = "9"
    & skf18("9","10","1","6","2","5","1") = "9"
    & skf18("9","10","1","6","2","6","1") = "9"
    & skf18("9","10","1","6","2","7","1") = "9"
    & skf18("9","10","1","6","2","8","1") = "9"
    & skf18("9","10","1","6","2","9","1") = "9"
    & skf18("9","10","1","6","2","10","1") = "9"
    & skf18("9","10","1","6","3","1","1") = "9"
    & skf18("9","10","1","6","3","2","1") = "9"
    & skf18("9","10","1","6","3","3","1") = "9"
    & skf18("9","10","1","6","3","4","1") = "9"
    & skf18("9","10","1","6","3","5","1") = "9"
    & skf18("9","10","1","6","3","6","1") = "9"
    & skf18("9","10","1","6","3","7","1") = "9"
    & skf18("9","10","1","6","3","8","1") = "9"
    & skf18("9","10","1","6","3","9","1") = "9"
    & skf18("9","10","1","6","3","10","1") = "9"
    & skf18("9","10","1","6","4","1","1") = "9"
    & skf18("9","10","1","6","4","2","1") = "9"
    & skf18("9","10","1","6","4","3","1") = "9"
    & skf18("9","10","1","6","4","4","1") = "9"
    & skf18("9","10","1","6","4","5","1") = "9"
    & skf18("9","10","1","6","4","6","1") = "9"
    & skf18("9","10","1","6","4","7","1") = "9"
    & skf18("9","10","1","6","4","8","1") = "9"
    & skf18("9","10","1","6","4","9","1") = "9"
    & skf18("9","10","1","6","4","10","1") = "9"
    & skf18("9","10","1","6","5","1","1") = "9"
    & skf18("9","10","1","6","5","2","1") = "9"
    & skf18("9","10","1","6","5","3","1") = "9"
    & skf18("9","10","1","6","5","4","1") = "9"
    & skf18("9","10","1","6","5","5","1") = "9"
    & skf18("9","10","1","6","5","6","1") = "9"
    & skf18("9","10","1","6","5","7","1") = "9"
    & skf18("9","10","1","6","5","8","1") = "9"
    & skf18("9","10","1","6","5","9","1") = "9"
    & skf18("9","10","1","6","5","10","1") = "9"
    & skf18("9","10","1","6","6","1","1") = "9"
    & skf18("9","10","1","6","6","2","1") = "9"
    & skf18("9","10","1","6","6","3","1") = "9"
    & skf18("9","10","1","6","6","4","1") = "9"
    & skf18("9","10","1","6","6","5","1") = "9"
    & skf18("9","10","1","6","6","6","1") = "9"
    & skf18("9","10","1","6","6","7","1") = "9"
    & skf18("9","10","1","6","6","8","1") = "9"
    & skf18("9","10","1","6","6","9","1") = "9"
    & skf18("9","10","1","6","6","10","1") = "9"
    & skf18("9","10","1","6","7","1","1") = "9"
    & skf18("9","10","1","6","7","2","1") = "9"
    & skf18("9","10","1","6","7","3","1") = "9"
    & skf18("9","10","1","6","7","4","1") = "9"
    & skf18("9","10","1","6","7","5","1") = "9"
    & skf18("9","10","1","6","7","6","1") = "9"
    & skf18("9","10","1","6","7","7","1") = "9"
    & skf18("9","10","1","6","7","8","1") = "9"
    & skf18("9","10","1","6","7","9","1") = "9"
    & skf18("9","10","1","6","7","10","1") = "9"
    & skf18("9","10","1","6","8","1","1") = "9"
    & skf18("9","10","1","6","8","2","1") = "9"
    & skf18("9","10","1","6","8","3","1") = "9"
    & skf18("9","10","1","6","8","4","1") = "9"
    & skf18("9","10","1","6","8","5","1") = "9"
    & skf18("9","10","1","6","8","6","1") = "9"
    & skf18("9","10","1","6","8","7","1") = "9"
    & skf18("9","10","1","6","8","8","1") = "9"
    & skf18("9","10","1","6","8","9","1") = "9"
    & skf18("9","10","1","6","8","10","1") = "9"
    & skf18("9","10","1","6","9","1","1") = "9"
    & skf18("9","10","1","6","9","2","1") = "9"
    & skf18("9","10","1","6","9","3","1") = "9"
    & skf18("9","10","1","6","9","4","1") = "9"
    & skf18("9","10","1","6","9","5","1") = "9"
    & skf18("9","10","1","6","9","6","1") = "9"
    & skf18("9","10","1","6","9","7","1") = "9"
    & skf18("9","10","1","6","9","8","1") = "9"
    & skf18("9","10","1","6","9","9","1") = "9"
    & skf18("9","10","1","6","9","10","1") = "9"
    & skf18("9","10","1","6","10","1","1") = "9"
    & skf18("9","10","1","6","10","2","1") = "9"
    & skf18("9","10","1","6","10","3","1") = "9"
    & skf18("9","10","1","6","10","4","1") = "9"
    & skf18("9","10","1","6","10","5","1") = "9"
    & skf18("9","10","1","6","10","6","1") = "9"
    & skf18("9","10","1","6","10","7","1") = "9"
    & skf18("9","10","1","6","10","8","1") = "9"
    & skf18("9","10","1","6","10","9","1") = "9"
    & skf18("9","10","1","6","10","10","1") = "9"
    & skf18("9","10","1","7","1","1","1") = "9"
    & skf18("9","10","1","7","1","2","1") = "9"
    & skf18("9","10","1","7","1","3","1") = "9"
    & skf18("9","10","1","7","1","4","1") = "9"
    & skf18("9","10","1","7","1","5","1") = "9"
    & skf18("9","10","1","7","1","6","1") = "9"
    & skf18("9","10","1","7","1","7","1") = "9"
    & skf18("9","10","1","7","1","8","1") = "9"
    & skf18("9","10","1","7","1","9","1") = "9"
    & skf18("9","10","1","7","1","10","1") = "9"
    & skf18("9","10","1","7","2","1","1") = "9"
    & skf18("9","10","1","7","2","2","1") = "9"
    & skf18("9","10","1","7","2","3","1") = "9"
    & skf18("9","10","1","7","2","4","1") = "9"
    & skf18("9","10","1","7","2","5","1") = "9"
    & skf18("9","10","1","7","2","6","1") = "9"
    & skf18("9","10","1","7","2","7","1") = "9"
    & skf18("9","10","1","7","2","8","1") = "9"
    & skf18("9","10","1","7","2","9","1") = "9"
    & skf18("9","10","1","7","2","10","1") = "9"
    & skf18("9","10","1","7","3","1","1") = "9"
    & skf18("9","10","1","7","3","2","1") = "9"
    & skf18("9","10","1","7","3","3","1") = "9"
    & skf18("9","10","1","7","3","4","1") = "9"
    & skf18("9","10","1","7","3","5","1") = "9"
    & skf18("9","10","1","7","3","6","1") = "9"
    & skf18("9","10","1","7","3","7","1") = "9"
    & skf18("9","10","1","7","3","8","1") = "9"
    & skf18("9","10","1","7","3","9","1") = "9"
    & skf18("9","10","1","7","3","10","1") = "9"
    & skf18("9","10","1","7","4","1","1") = "9"
    & skf18("9","10","1","7","4","2","1") = "9"
    & skf18("9","10","1","7","4","3","1") = "9"
    & skf18("9","10","1","7","4","4","1") = "9"
    & skf18("9","10","1","7","4","5","1") = "9"
    & skf18("9","10","1","7","4","6","1") = "9"
    & skf18("9","10","1","7","4","7","1") = "9"
    & skf18("9","10","1","7","4","8","1") = "9"
    & skf18("9","10","1","7","4","9","1") = "9"
    & skf18("9","10","1","7","4","10","1") = "9"
    & skf18("9","10","1","7","5","1","1") = "9"
    & skf18("9","10","1","7","5","2","1") = "9"
    & skf18("9","10","1","7","5","3","1") = "9"
    & skf18("9","10","1","7","5","4","1") = "9"
    & skf18("9","10","1","7","5","5","1") = "9"
    & skf18("9","10","1","7","5","6","1") = "9"
    & skf18("9","10","1","7","5","7","1") = "9"
    & skf18("9","10","1","7","5","8","1") = "9"
    & skf18("9","10","1","7","5","9","1") = "9"
    & skf18("9","10","1","7","5","10","1") = "9"
    & skf18("9","10","1","7","6","1","1") = "9"
    & skf18("9","10","1","7","6","2","1") = "9"
    & skf18("9","10","1","7","6","3","1") = "9"
    & skf18("9","10","1","7","6","4","1") = "9"
    & skf18("9","10","1","7","6","5","1") = "9"
    & skf18("9","10","1","7","6","6","1") = "9"
    & skf18("9","10","1","7","6","7","1") = "9"
    & skf18("9","10","1","7","6","8","1") = "9"
    & skf18("9","10","1","7","6","9","1") = "9"
    & skf18("9","10","1","7","6","10","1") = "9"
    & skf18("9","10","1","7","7","1","1") = "9"
    & skf18("9","10","1","7","7","2","1") = "9"
    & skf18("9","10","1","7","7","3","1") = "9"
    & skf18("9","10","1","7","7","4","1") = "9"
    & skf18("9","10","1","7","7","5","1") = "9"
    & skf18("9","10","1","7","7","6","1") = "9"
    & skf18("9","10","1","7","7","7","1") = "9"
    & skf18("9","10","1","7","7","8","1") = "9"
    & skf18("9","10","1","7","7","9","1") = "9"
    & skf18("9","10","1","7","7","10","1") = "9"
    & skf18("9","10","1","7","8","1","1") = "9"
    & skf18("9","10","1","7","8","2","1") = "9"
    & skf18("9","10","1","7","8","3","1") = "9"
    & skf18("9","10","1","7","8","4","1") = "9"
    & skf18("9","10","1","7","8","5","1") = "9"
    & skf18("9","10","1","7","8","6","1") = "9"
    & skf18("9","10","1","7","8","7","1") = "9"
    & skf18("9","10","1","7","8","8","1") = "9"
    & skf18("9","10","1","7","8","9","1") = "9"
    & skf18("9","10","1","7","8","10","1") = "9"
    & skf18("9","10","1","7","9","1","1") = "9"
    & skf18("9","10","1","7","9","2","1") = "9"
    & skf18("9","10","1","7","9","3","1") = "9"
    & skf18("9","10","1","7","9","4","1") = "9"
    & skf18("9","10","1","7","9","5","1") = "9"
    & skf18("9","10","1","7","9","6","1") = "9"
    & skf18("9","10","1","7","9","7","1") = "9"
    & skf18("9","10","1","7","9","8","1") = "9"
    & skf18("9","10","1","7","9","9","1") = "9"
    & skf18("9","10","1","7","9","10","1") = "9"
    & skf18("9","10","1","7","10","1","1") = "9"
    & skf18("9","10","1","7","10","2","1") = "9"
    & skf18("9","10","1","7","10","3","1") = "9"
    & skf18("9","10","1","7","10","4","1") = "9"
    & skf18("9","10","1","7","10","5","1") = "9"
    & skf18("9","10","1","7","10","6","1") = "9"
    & skf18("9","10","1","7","10","7","1") = "9"
    & skf18("9","10","1","7","10","8","1") = "9"
    & skf18("9","10","1","7","10","9","1") = "9"
    & skf18("9","10","1","7","10","10","1") = "9"
    & skf18("9","10","1","8","1","1","1") = "9"
    & skf18("9","10","1","8","1","2","1") = "9"
    & skf18("9","10","1","8","1","3","1") = "9"
    & skf18("9","10","1","8","1","4","1") = "9"
    & skf18("9","10","1","8","1","5","1") = "9"
    & skf18("9","10","1","8","1","6","1") = "9"
    & skf18("9","10","1","8","1","7","1") = "9"
    & skf18("9","10","1","8","1","8","1") = "9"
    & skf18("9","10","1","8","1","9","1") = "9"
    & skf18("9","10","1","8","1","10","1") = "9"
    & skf18("9","10","1","8","2","1","1") = "9"
    & skf18("9","10","1","8","2","2","1") = "9"
    & skf18("9","10","1","8","2","3","1") = "9"
    & skf18("9","10","1","8","2","4","1") = "9"
    & skf18("9","10","1","8","2","5","1") = "9"
    & skf18("9","10","1","8","2","6","1") = "9"
    & skf18("9","10","1","8","2","7","1") = "9"
    & skf18("9","10","1","8","2","8","1") = "9"
    & skf18("9","10","1","8","2","9","1") = "9"
    & skf18("9","10","1","8","2","10","1") = "9"
    & skf18("9","10","1","8","3","1","1") = "9"
    & skf18("9","10","1","8","3","2","1") = "9"
    & skf18("9","10","1","8","3","3","1") = "9"
    & skf18("9","10","1","8","3","4","1") = "9"
    & skf18("9","10","1","8","3","5","1") = "9"
    & skf18("9","10","1","8","3","6","1") = "9"
    & skf18("9","10","1","8","3","7","1") = "9"
    & skf18("9","10","1","8","3","8","1") = "9"
    & skf18("9","10","1","8","3","9","1") = "9"
    & skf18("9","10","1","8","3","10","1") = "9"
    & skf18("9","10","1","8","4","1","1") = "9"
    & skf18("9","10","1","8","4","2","1") = "9"
    & skf18("9","10","1","8","4","3","1") = "9"
    & skf18("9","10","1","8","4","4","1") = "9"
    & skf18("9","10","1","8","4","5","1") = "9"
    & skf18("9","10","1","8","4","6","1") = "9"
    & skf18("9","10","1","8","4","7","1") = "9"
    & skf18("9","10","1","8","4","8","1") = "9"
    & skf18("9","10","1","8","4","9","1") = "9"
    & skf18("9","10","1","8","4","10","1") = "9"
    & skf18("9","10","1","8","5","1","1") = "9"
    & skf18("9","10","1","8","5","2","1") = "9"
    & skf18("9","10","1","8","5","3","1") = "9"
    & skf18("9","10","1","8","5","4","1") = "9"
    & skf18("9","10","1","8","5","5","1") = "9"
    & skf18("9","10","1","8","5","6","1") = "9"
    & skf18("9","10","1","8","5","7","1") = "9"
    & skf18("9","10","1","8","5","8","1") = "9"
    & skf18("9","10","1","8","5","9","1") = "9"
    & skf18("9","10","1","8","5","10","1") = "9"
    & skf18("9","10","1","8","6","1","1") = "9"
    & skf18("9","10","1","8","6","2","1") = "9"
    & skf18("9","10","1","8","6","3","1") = "9"
    & skf18("9","10","1","8","6","4","1") = "9"
    & skf18("9","10","1","8","6","5","1") = "9"
    & skf18("9","10","1","8","6","6","1") = "9"
    & skf18("9","10","1","8","6","7","1") = "9"
    & skf18("9","10","1","8","6","8","1") = "9"
    & skf18("9","10","1","8","6","9","1") = "9"
    & skf18("9","10","1","8","6","10","1") = "9"
    & skf18("9","10","1","8","7","1","1") = "9"
    & skf18("9","10","1","8","7","2","1") = "9"
    & skf18("9","10","1","8","7","3","1") = "9"
    & skf18("9","10","1","8","7","4","1") = "9"
    & skf18("9","10","1","8","7","5","1") = "9"
    & skf18("9","10","1","8","7","6","1") = "9"
    & skf18("9","10","1","8","7","7","1") = "9"
    & skf18("9","10","1","8","7","8","1") = "9"
    & skf18("9","10","1","8","7","9","1") = "9"
    & skf18("9","10","1","8","7","10","1") = "9"
    & skf18("9","10","1","8","8","1","1") = "9"
    & skf18("9","10","1","8","8","2","1") = "9"
    & skf18("9","10","1","8","8","3","1") = "9"
    & skf18("9","10","1","8","8","4","1") = "9"
    & skf18("9","10","1","8","8","5","1") = "9"
    & skf18("9","10","1","8","8","6","1") = "9"
    & skf18("9","10","1","8","8","7","1") = "9"
    & skf18("9","10","1","8","8","8","1") = "9"
    & skf18("9","10","1","8","8","9","1") = "9"
    & skf18("9","10","1","8","8","10","1") = "9"
    & skf18("9","10","1","8","9","1","1") = "9"
    & skf18("9","10","1","8","9","2","1") = "9"
    & skf18("9","10","1","8","9","3","1") = "9"
    & skf18("9","10","1","8","9","4","1") = "9"
    & skf18("9","10","1","8","9","5","1") = "9"
    & skf18("9","10","1","8","9","6","1") = "9"
    & skf18("9","10","1","8","9","7","1") = "9"
    & skf18("9","10","1","8","9","8","1") = "9"
    & skf18("9","10","1","8","9","9","1") = "9"
    & skf18("9","10","1","8","9","10","1") = "9"
    & skf18("9","10","1","8","10","1","1") = "9"
    & skf18("9","10","1","8","10","2","1") = "9"
    & skf18("9","10","1","8","10","3","1") = "9"
    & skf18("9","10","1","8","10","4","1") = "9"
    & skf18("9","10","1","8","10","5","1") = "9"
    & skf18("9","10","1","8","10","6","1") = "9"
    & skf18("9","10","1","8","10","7","1") = "9"
    & skf18("9","10","1","8","10","8","1") = "9"
    & skf18("9","10","1","8","10","9","1") = "9"
    & skf18("9","10","1","8","10","10","1") = "9"
    & skf18("9","10","1","9","1","1","1") = "9"
    & skf18("9","10","1","9","1","2","1") = "9"
    & skf18("9","10","1","9","1","3","1") = "9"
    & skf18("9","10","1","9","1","4","1") = "9"
    & skf18("9","10","1","9","1","5","1") = "9"
    & skf18("9","10","1","9","1","6","1") = "9"
    & skf18("9","10","1","9","1","7","1") = "9"
    & skf18("9","10","1","9","1","8","1") = "9"
    & skf18("9","10","1","9","1","9","1") = "9"
    & skf18("9","10","1","9","1","10","1") = "9"
    & skf18("9","10","1","9","2","1","1") = "9"
    & skf18("9","10","1","9","2","2","1") = "9"
    & skf18("9","10","1","9","2","3","1") = "9"
    & skf18("9","10","1","9","2","4","1") = "9"
    & skf18("9","10","1","9","2","5","1") = "9"
    & skf18("9","10","1","9","2","6","1") = "9"
    & skf18("9","10","1","9","2","7","1") = "9"
    & skf18("9","10","1","9","2","8","1") = "9"
    & skf18("9","10","1","9","2","9","1") = "9"
    & skf18("9","10","1","9","2","10","1") = "9"
    & skf18("9","10","1","9","3","1","1") = "9"
    & skf18("9","10","1","9","3","2","1") = "9"
    & skf18("9","10","1","9","3","3","1") = "9"
    & skf18("9","10","1","9","3","4","1") = "9"
    & skf18("9","10","1","9","3","5","1") = "9"
    & skf18("9","10","1","9","3","6","1") = "9"
    & skf18("9","10","1","9","3","7","1") = "9"
    & skf18("9","10","1","9","3","8","1") = "9"
    & skf18("9","10","1","9","3","9","1") = "9"
    & skf18("9","10","1","9","3","10","1") = "9"
    & skf18("9","10","1","9","4","1","1") = "9"
    & skf18("9","10","1","9","4","2","1") = "9"
    & skf18("9","10","1","9","4","3","1") = "9"
    & skf18("9","10","1","9","4","4","1") = "9"
    & skf18("9","10","1","9","4","5","1") = "9"
    & skf18("9","10","1","9","4","6","1") = "9"
    & skf18("9","10","1","9","4","7","1") = "9"
    & skf18("9","10","1","9","4","8","1") = "9"
    & skf18("9","10","1","9","4","9","1") = "9"
    & skf18("9","10","1","9","4","10","1") = "9"
    & skf18("9","10","1","9","5","1","1") = "9"
    & skf18("9","10","1","9","5","2","1") = "9"
    & skf18("9","10","1","9","5","3","1") = "9"
    & skf18("9","10","1","9","5","4","1") = "9"
    & skf18("9","10","1","9","5","5","1") = "9"
    & skf18("9","10","1","9","5","6","1") = "9"
    & skf18("9","10","1","9","5","7","1") = "9"
    & skf18("9","10","1","9","5","8","1") = "9"
    & skf18("9","10","1","9","5","9","1") = "9"
    & skf18("9","10","1","9","5","10","1") = "9"
    & skf18("9","10","1","9","6","1","1") = "9"
    & skf18("9","10","1","9","6","2","1") = "9"
    & skf18("9","10","1","9","6","3","1") = "9"
    & skf18("9","10","1","9","6","4","1") = "9"
    & skf18("9","10","1","9","6","5","1") = "9"
    & skf18("9","10","1","9","6","6","1") = "9"
    & skf18("9","10","1","9","6","7","1") = "9"
    & skf18("9","10","1","9","6","8","1") = "9"
    & skf18("9","10","1","9","6","9","1") = "9"
    & skf18("9","10","1","9","6","10","1") = "9"
    & skf18("9","10","1","9","7","1","1") = "9"
    & skf18("9","10","1","9","7","2","1") = "9"
    & skf18("9","10","1","9","7","3","1") = "9"
    & skf18("9","10","1","9","7","4","1") = "9"
    & skf18("9","10","1","9","7","5","1") = "9"
    & skf18("9","10","1","9","7","6","1") = "9"
    & skf18("9","10","1","9","7","7","1") = "9"
    & skf18("9","10","1","9","7","8","1") = "9"
    & skf18("9","10","1","9","7","9","1") = "9"
    & skf18("9","10","1","9","7","10","1") = "9"
    & skf18("9","10","1","9","8","1","1") = "9"
    & skf18("9","10","1","9","8","2","1") = "9"
    & skf18("9","10","1","9","8","3","1") = "9"
    & skf18("9","10","1","9","8","4","1") = "9"
    & skf18("9","10","1","9","8","5","1") = "9"
    & skf18("9","10","1","9","8","6","1") = "9"
    & skf18("9","10","1","9","8","7","1") = "9"
    & skf18("9","10","1","9","8","8","1") = "9"
    & skf18("9","10","1","9","8","9","1") = "9"
    & skf18("9","10","1","9","8","10","1") = "9"
    & skf18("9","10","1","9","9","1","1") = "9"
    & skf18("9","10","1","9","9","2","1") = "9"
    & skf18("9","10","1","9","9","3","1") = "9"
    & skf18("9","10","1","9","9","4","1") = "9"
    & skf18("9","10","1","9","9","5","1") = "9"
    & skf18("9","10","1","9","9","6","1") = "9"
    & skf18("9","10","1","9","9","7","1") = "9"
    & skf18("9","10","1","9","9","8","1") = "9"
    & skf18("9","10","1","9","9","9","1") = "9"
    & skf18("9","10","1","9","9","10","1") = "9"
    & skf18("9","10","1","9","10","1","1") = "9"
    & skf18("9","10","1","9","10","2","1") = "9"
    & skf18("9","10","1","9","10","3","1") = "9"
    & skf18("9","10","1","9","10","4","1") = "9"
    & skf18("9","10","1","9","10","5","1") = "9"
    & skf18("9","10","1","9","10","6","1") = "9"
    & skf18("9","10","1","9","10","7","1") = "9"
    & skf18("9","10","1","9","10","8","1") = "9"
    & skf18("9","10","1","9","10","9","1") = "9"
    & skf18("9","10","1","9","10","10","1") = "9"
    & skf18("9","10","1","10","1","1","1") = "9"
    & skf18("9","10","1","10","1","2","1") = "9"
    & skf18("9","10","1","10","1","3","1") = "9"
    & skf18("9","10","1","10","1","4","1") = "9"
    & skf18("9","10","1","10","1","5","1") = "9"
    & skf18("9","10","1","10","1","6","1") = "9"
    & skf18("9","10","1","10","1","7","1") = "9"
    & skf18("9","10","1","10","1","8","1") = "9"
    & skf18("9","10","1","10","1","9","1") = "9"
    & skf18("9","10","1","10","1","10","1") = "9"
    & skf18("9","10","1","10","2","1","1") = "9"
    & skf18("9","10","1","10","2","2","1") = "9"
    & skf18("9","10","1","10","2","3","1") = "9"
    & skf18("9","10","1","10","2","4","1") = "9"
    & skf18("9","10","1","10","2","5","1") = "9"
    & skf18("9","10","1","10","2","6","1") = "9"
    & skf18("9","10","1","10","2","7","1") = "9"
    & skf18("9","10","1","10","2","8","1") = "9"
    & skf18("9","10","1","10","2","9","1") = "9"
    & skf18("9","10","1","10","2","10","1") = "9"
    & skf18("9","10","1","10","3","1","1") = "9"
    & skf18("9","10","1","10","3","2","1") = "9"
    & skf18("9","10","1","10","3","3","1") = "9"
    & skf18("9","10","1","10","3","4","1") = "9"
    & skf18("9","10","1","10","3","5","1") = "9"
    & skf18("9","10","1","10","3","6","1") = "9"
    & skf18("9","10","1","10","3","7","1") = "9"
    & skf18("9","10","1","10","3","8","1") = "9"
    & skf18("9","10","1","10","3","9","1") = "9"
    & skf18("9","10","1","10","3","10","1") = "9"
    & skf18("9","10","1","10","4","1","1") = "9"
    & skf18("9","10","1","10","4","2","1") = "9"
    & skf18("9","10","1","10","4","3","1") = "9"
    & skf18("9","10","1","10","4","4","1") = "9"
    & skf18("9","10","1","10","4","5","1") = "9"
    & skf18("9","10","1","10","4","6","1") = "9"
    & skf18("9","10","1","10","4","7","1") = "9"
    & skf18("9","10","1","10","4","8","1") = "9"
    & skf18("9","10","1","10","4","9","1") = "9"
    & skf18("9","10","1","10","4","10","1") = "9"
    & skf18("9","10","1","10","5","1","1") = "9"
    & skf18("9","10","1","10","5","2","1") = "9"
    & skf18("9","10","1","10","5","3","1") = "9"
    & skf18("9","10","1","10","5","4","1") = "9"
    & skf18("9","10","1","10","5","5","1") = "9"
    & skf18("9","10","1","10","5","6","1") = "9"
    & skf18("9","10","1","10","5","7","1") = "9"
    & skf18("9","10","1","10","5","8","1") = "9"
    & skf18("9","10","1","10","5","9","1") = "9"
    & skf18("9","10","1","10","5","10","1") = "9"
    & skf18("9","10","1","10","6","1","1") = "9"
    & skf18("9","10","1","10","6","2","1") = "9"
    & skf18("9","10","1","10","6","3","1") = "9"
    & skf18("9","10","1","10","6","4","1") = "9"
    & skf18("9","10","1","10","6","5","1") = "9"
    & skf18("9","10","1","10","6","6","1") = "9"
    & skf18("9","10","1","10","6","7","1") = "9"
    & skf18("9","10","1","10","6","8","1") = "9"
    & skf18("9","10","1","10","6","9","1") = "9"
    & skf18("9","10","1","10","6","10","1") = "9"
    & skf18("9","10","1","10","7","1","1") = "9"
    & skf18("9","10","1","10","7","2","1") = "9"
    & skf18("9","10","1","10","7","3","1") = "9"
    & skf18("9","10","1","10","7","4","1") = "9"
    & skf18("9","10","1","10","7","5","1") = "9"
    & skf18("9","10","1","10","7","6","1") = "9"
    & skf18("9","10","1","10","7","7","1") = "9"
    & skf18("9","10","1","10","7","8","1") = "9"
    & skf18("9","10","1","10","7","9","1") = "9"
    & skf18("9","10","1","10","7","10","1") = "9"
    & skf18("9","10","1","10","8","1","1") = "9"
    & skf18("9","10","1","10","8","2","1") = "9"
    & skf18("9","10","1","10","8","3","1") = "9"
    & skf18("9","10","1","10","8","4","1") = "9"
    & skf18("9","10","1","10","8","5","1") = "9"
    & skf18("9","10","1","10","8","6","1") = "9"
    & skf18("9","10","1","10","8","7","1") = "9"
    & skf18("9","10","1","10","8","8","1") = "9"
    & skf18("9","10","1","10","8","9","1") = "9"
    & skf18("9","10","1","10","8","10","1") = "9"
    & skf18("9","10","1","10","9","1","1") = "9"
    & skf18("9","10","1","10","9","2","1") = "9"
    & skf18("9","10","1","10","9","3","1") = "9"
    & skf18("9","10","1","10","9","4","1") = "9"
    & skf18("9","10","1","10","9","5","1") = "9"
    & skf18("9","10","1","10","9","6","1") = "9"
    & skf18("9","10","1","10","9","7","1") = "9"
    & skf18("9","10","1","10","9","8","1") = "9"
    & skf18("9","10","1","10","9","9","1") = "9"
    & skf18("9","10","1","10","9","10","1") = "9"
    & skf18("9","10","1","10","10","1","1") = "9"
    & skf18("9","10","1","10","10","2","1") = "9"
    & skf18("9","10","1","10","10","3","1") = "9"
    & skf18("9","10","1","10","10","4","1") = "9"
    & skf18("9","10","1","10","10","5","1") = "9"
    & skf18("9","10","1","10","10","6","1") = "9"
    & skf18("9","10","1","10","10","7","1") = "9"
    & skf18("9","10","1","10","10","8","1") = "9"
    & skf18("9","10","1","10","10","9","1") = "9"
    & skf18("9","10","1","10","10","10","1") = "9"
    & skf18("9","10","2","1","1","1","1") = "9"
    & skf18("9","10","2","1","1","2","1") = "9"
    & skf18("9","10","2","1","1","3","1") = "9"
    & skf18("9","10","2","1","1","4","1") = "9"
    & skf18("9","10","2","1","1","5","1") = "9"
    & skf18("9","10","2","1","1","6","1") = "9"
    & skf18("9","10","2","1","1","7","1") = "9"
    & skf18("9","10","2","1","1","8","1") = "9"
    & skf18("9","10","2","1","1","9","1") = "9"
    & skf18("9","10","2","1","1","10","1") = "9"
    & skf18("9","10","2","1","2","1","1") = "9"
    & skf18("9","10","2","1","2","2","1") = "9"
    & skf18("9","10","2","1","2","3","1") = "9"
    & skf18("9","10","2","1","2","4","1") = "9"
    & skf18("9","10","2","1","2","5","1") = "9"
    & skf18("9","10","2","1","2","6","1") = "9"
    & skf18("9","10","2","1","2","7","1") = "9"
    & skf18("9","10","2","1","2","8","1") = "9"
    & skf18("9","10","2","1","2","9","1") = "9"
    & skf18("9","10","2","1","2","10","1") = "9"
    & skf18("9","10","2","1","3","1","1") = "9"
    & skf18("9","10","2","1","3","2","1") = "9"
    & skf18("9","10","2","1","3","3","1") = "9"
    & skf18("9","10","2","1","3","4","1") = "9"
    & skf18("9","10","2","1","3","5","1") = "9"
    & skf18("9","10","2","1","3","6","1") = "9"
    & skf18("9","10","2","1","3","7","1") = "9"
    & skf18("9","10","2","1","3","8","1") = "9"
    & skf18("9","10","2","1","3","9","1") = "9"
    & skf18("9","10","2","1","3","10","1") = "9"
    & skf18("9","10","2","1","4","1","1") = "9"
    & skf18("9","10","2","1","4","2","1") = "9"
    & skf18("9","10","2","1","4","3","1") = "9"
    & skf18("9","10","2","1","4","4","1") = "9"
    & skf18("9","10","2","1","4","5","1") = "9"
    & skf18("9","10","2","1","4","6","1") = "9"
    & skf18("9","10","2","1","4","7","1") = "9"
    & skf18("9","10","2","1","4","8","1") = "9"
    & skf18("9","10","2","1","4","9","1") = "9"
    & skf18("9","10","2","1","4","10","1") = "9"
    & skf18("9","10","2","1","5","1","1") = "9"
    & skf18("9","10","2","1","5","2","1") = "9"
    & skf18("9","10","2","1","5","3","1") = "9"
    & skf18("9","10","2","1","5","4","1") = "9"
    & skf18("9","10","2","1","5","5","1") = "9"
    & skf18("9","10","2","1","5","6","1") = "9"
    & skf18("9","10","2","1","5","7","1") = "9"
    & skf18("9","10","2","1","5","8","1") = "9"
    & skf18("9","10","2","1","5","9","1") = "9"
    & skf18("9","10","2","1","5","10","1") = "9"
    & skf18("9","10","2","1","6","1","1") = "9"
    & skf18("9","10","2","1","6","2","1") = "9"
    & skf18("9","10","2","1","6","3","1") = "9"
    & skf18("9","10","2","1","6","4","1") = "9"
    & skf18("9","10","2","1","6","5","1") = "9"
    & skf18("9","10","2","1","6","6","1") = "9"
    & skf18("9","10","2","1","6","7","1") = "9"
    & skf18("9","10","2","1","6","8","1") = "9"
    & skf18("9","10","2","1","6","9","1") = "9"
    & skf18("9","10","2","1","6","10","1") = "9"
    & skf18("9","10","2","1","7","1","1") = "9"
    & skf18("9","10","2","1","7","2","1") = "9"
    & skf18("9","10","2","1","7","3","1") = "9"
    & skf18("9","10","2","1","7","4","1") = "9"
    & skf18("9","10","2","1","7","5","1") = "9"
    & skf18("9","10","2","1","7","6","1") = "9"
    & skf18("9","10","2","1","7","7","1") = "9"
    & skf18("9","10","2","1","7","8","1") = "9"
    & skf18("9","10","2","1","7","9","1") = "9"
    & skf18("9","10","2","1","7","10","1") = "9"
    & skf18("9","10","2","1","8","1","1") = "9"
    & skf18("9","10","2","1","8","2","1") = "9"
    & skf18("9","10","2","1","8","3","1") = "9"
    & skf18("9","10","2","1","8","4","1") = "9"
    & skf18("9","10","2","1","8","5","1") = "9"
    & skf18("9","10","2","1","8","6","1") = "9"
    & skf18("9","10","2","1","8","7","1") = "9"
    & skf18("9","10","2","1","8","8","1") = "9"
    & skf18("9","10","2","1","8","9","1") = "9"
    & skf18("9","10","2","1","8","10","1") = "9"
    & skf18("9","10","2","1","9","1","1") = "9"
    & skf18("9","10","2","1","9","2","1") = "9"
    & skf18("9","10","2","1","9","3","1") = "9"
    & skf18("9","10","2","1","9","4","1") = "9"
    & skf18("9","10","2","1","9","5","1") = "9"
    & skf18("9","10","2","1","9","6","1") = "9"
    & skf18("9","10","2","1","9","7","1") = "9"
    & skf18("9","10","2","1","9","8","1") = "9"
    & skf18("9","10","2","1","9","9","1") = "9"
    & skf18("9","10","2","1","9","10","1") = "9"
    & skf18("9","10","2","1","10","1","1") = "9"
    & skf18("9","10","2","1","10","2","1") = "9"
    & skf18("9","10","2","1","10","3","1") = "9"
    & skf18("9","10","2","1","10","4","1") = "9"
    & skf18("9","10","2","1","10","5","1") = "9"
    & skf18("9","10","2","1","10","6","1") = "9"
    & skf18("9","10","2","1","10","7","1") = "9"
    & skf18("9","10","2","1","10","8","1") = "9"
    & skf18("9","10","2","1","10","9","1") = "9"
    & skf18("9","10","2","1","10","10","1") = "9"
    & skf18("9","10","2","2","1","1","1") = "9"
    & skf18("9","10","2","2","1","2","1") = "9"
    & skf18("9","10","2","2","1","3","1") = "9"
    & skf18("9","10","2","2","1","4","1") = "9"
    & skf18("9","10","2","2","1","5","1") = "9"
    & skf18("9","10","2","2","1","6","1") = "9"
    & skf18("9","10","2","2","1","7","1") = "9"
    & skf18("9","10","2","2","1","8","1") = "9"
    & skf18("9","10","2","2","1","9","1") = "9"
    & skf18("9","10","2","2","1","10","1") = "9"
    & skf18("9","10","2","2","2","1","1") = "9"
    & skf18("9","10","2","2","2","2","1") = "9"
    & skf18("9","10","2","2","2","3","1") = "9"
    & skf18("9","10","2","2","2","4","1") = "9"
    & skf18("9","10","2","2","2","5","1") = "9"
    & skf18("9","10","2","2","2","6","1") = "9"
    & skf18("9","10","2","2","2","7","1") = "9"
    & skf18("9","10","2","2","2","8","1") = "9"
    & skf18("9","10","2","2","2","9","1") = "9"
    & skf18("9","10","2","2","2","10","1") = "9"
    & skf18("9","10","2","2","3","1","1") = "9"
    & skf18("9","10","2","2","3","2","1") = "9"
    & skf18("9","10","2","2","3","3","1") = "9"
    & skf18("9","10","2","2","3","4","1") = "9"
    & skf18("9","10","2","2","3","5","1") = "9"
    & skf18("9","10","2","2","3","6","1") = "9"
    & skf18("9","10","2","2","3","7","1") = "9"
    & skf18("9","10","2","2","3","8","1") = "9"
    & skf18("9","10","2","2","3","9","1") = "9"
    & skf18("9","10","2","2","3","10","1") = "9"
    & skf18("9","10","2","2","4","1","1") = "9"
    & skf18("9","10","2","2","4","2","1") = "9"
    & skf18("9","10","2","2","4","3","1") = "9"
    & skf18("9","10","2","2","4","4","1") = "9"
    & skf18("9","10","2","2","4","5","1") = "9"
    & skf18("9","10","2","2","4","6","1") = "9"
    & skf18("9","10","2","2","4","7","1") = "9"
    & skf18("9","10","2","2","4","8","1") = "9"
    & skf18("9","10","2","2","4","9","1") = "9"
    & skf18("9","10","2","2","4","10","1") = "9"
    & skf18("9","10","2","2","5","1","1") = "9"
    & skf18("9","10","2","2","5","2","1") = "9"
    & skf18("9","10","2","2","5","3","1") = "9"
    & skf18("9","10","2","2","5","4","1") = "9"
    & skf18("9","10","2","2","5","5","1") = "9"
    & skf18("9","10","2","2","5","6","1") = "9"
    & skf18("9","10","2","2","5","7","1") = "9"
    & skf18("9","10","2","2","5","8","1") = "9"
    & skf18("9","10","2","2","5","9","1") = "9"
    & skf18("9","10","2","2","5","10","1") = "9"
    & skf18("9","10","2","2","6","1","1") = "9"
    & skf18("9","10","2","2","6","2","1") = "9"
    & skf18("9","10","2","2","6","3","1") = "9"
    & skf18("9","10","2","2","6","4","1") = "9"
    & skf18("9","10","2","2","6","5","1") = "9"
    & skf18("9","10","2","2","6","6","1") = "9"
    & skf18("9","10","2","2","6","7","1") = "9"
    & skf18("9","10","2","2","6","8","1") = "9"
    & skf18("9","10","2","2","6","9","1") = "9"
    & skf18("9","10","2","2","6","10","1") = "9"
    & skf18("9","10","2","2","7","1","1") = "9"
    & skf18("9","10","2","2","7","2","1") = "9"
    & skf18("9","10","2","2","7","3","1") = "9"
    & skf18("9","10","2","2","7","4","1") = "9"
    & skf18("9","10","2","2","7","5","1") = "9"
    & skf18("9","10","2","2","7","6","1") = "9"
    & skf18("9","10","2","2","7","7","1") = "9"
    & skf18("9","10","2","2","7","8","1") = "9"
    & skf18("9","10","2","2","7","9","1") = "9"
    & skf18("9","10","2","2","7","10","1") = "9"
    & skf18("9","10","2","2","8","1","1") = "9"
    & skf18("9","10","2","2","8","2","1") = "9"
    & skf18("9","10","2","2","8","3","1") = "9"
    & skf18("9","10","2","2","8","4","1") = "9"
    & skf18("9","10","2","2","8","5","1") = "9"
    & skf18("9","10","2","2","8","6","1") = "9"
    & skf18("9","10","2","2","8","7","1") = "9"
    & skf18("9","10","2","2","8","8","1") = "9"
    & skf18("9","10","2","2","8","9","1") = "9"
    & skf18("9","10","2","2","8","10","1") = "9"
    & skf18("9","10","2","2","9","1","1") = "9"
    & skf18("9","10","2","2","9","2","1") = "9"
    & skf18("9","10","2","2","9","3","1") = "9"
    & skf18("9","10","2","2","9","4","1") = "9"
    & skf18("9","10","2","2","9","5","1") = "9"
    & skf18("9","10","2","2","9","6","1") = "9"
    & skf18("9","10","2","2","9","7","1") = "9"
    & skf18("9","10","2","2","9","8","1") = "9"
    & skf18("9","10","2","2","9","9","1") = "9"
    & skf18("9","10","2","2","9","10","1") = "9"
    & skf18("9","10","2","2","10","1","1") = "9"
    & skf18("9","10","2","2","10","2","1") = "9"
    & skf18("9","10","2","2","10","3","1") = "9"
    & skf18("9","10","2","2","10","4","1") = "9"
    & skf18("9","10","2","2","10","5","1") = "9"
    & skf18("9","10","2","2","10","6","1") = "9"
    & skf18("9","10","2","2","10","7","1") = "9"
    & skf18("9","10","2","2","10","8","1") = "9"
    & skf18("9","10","2","2","10","9","1") = "9"
    & skf18("9","10","2","2","10","10","1") = "9"
    & skf18("9","10","2","3","1","1","1") = "9"
    & skf18("9","10","2","3","1","2","1") = "9"
    & skf18("9","10","2","3","1","3","1") = "9"
    & skf18("9","10","2","3","1","4","1") = "9"
    & skf18("9","10","2","3","1","5","1") = "9"
    & skf18("9","10","2","3","1","6","1") = "9"
    & skf18("9","10","2","3","1","7","1") = "9"
    & skf18("9","10","2","3","1","8","1") = "9"
    & skf18("9","10","2","3","1","9","1") = "9"
    & skf18("9","10","2","3","1","10","1") = "9"
    & skf18("9","10","2","3","2","1","1") = "9"
    & skf18("9","10","2","3","2","2","1") = "9"
    & skf18("9","10","2","3","2","3","1") = "9"
    & skf18("9","10","2","3","2","4","1") = "9"
    & skf18("9","10","2","3","2","5","1") = "9"
    & skf18("9","10","2","3","2","6","1") = "9"
    & skf18("9","10","2","3","2","7","1") = "9"
    & skf18("9","10","2","3","2","8","1") = "9"
    & skf18("9","10","2","3","2","9","1") = "9"
    & skf18("9","10","2","3","2","10","1") = "9"
    & skf18("9","10","2","3","3","1","1") = "9"
    & skf18("9","10","2","3","3","2","1") = "9"
    & skf18("9","10","2","3","3","3","1") = "9"
    & skf18("9","10","2","3","3","4","1") = "9"
    & skf18("9","10","2","3","3","5","1") = "9"
    & skf18("9","10","2","3","3","6","1") = "9"
    & skf18("9","10","2","3","3","7","1") = "9"
    & skf18("9","10","2","3","3","8","1") = "9"
    & skf18("9","10","2","3","3","9","1") = "9"
    & skf18("9","10","2","3","3","10","1") = "9"
    & skf18("9","10","2","3","4","1","1") = "9"
    & skf18("9","10","2","3","4","2","1") = "9"
    & skf18("9","10","2","3","4","3","1") = "9"
    & skf18("9","10","2","3","4","4","1") = "9"
    & skf18("9","10","2","3","4","5","1") = "9"
    & skf18("9","10","2","3","4","6","1") = "9"
    & skf18("9","10","2","3","4","7","1") = "9"
    & skf18("9","10","2","3","4","8","1") = "9"
    & skf18("9","10","2","3","4","9","1") = "9"
    & skf18("9","10","2","3","4","10","1") = "9"
    & skf18("9","10","2","3","5","1","1") = "9"
    & skf18("9","10","2","3","5","2","1") = "9"
    & skf18("9","10","2","3","5","3","1") = "9"
    & skf18("9","10","2","3","5","4","1") = "9"
    & skf18("9","10","2","3","5","5","1") = "9"
    & skf18("9","10","2","3","5","6","1") = "9"
    & skf18("9","10","2","3","5","7","1") = "9"
    & skf18("9","10","2","3","5","8","1") = "9"
    & skf18("9","10","2","3","5","9","1") = "9"
    & skf18("9","10","2","3","5","10","1") = "9"
    & skf18("9","10","2","3","6","1","1") = "9"
    & skf18("9","10","2","3","6","2","1") = "9"
    & skf18("9","10","2","3","6","3","1") = "9"
    & skf18("9","10","2","3","6","4","1") = "9"
    & skf18("9","10","2","3","6","5","1") = "9"
    & skf18("9","10","2","3","6","6","1") = "9"
    & skf18("9","10","2","3","6","7","1") = "9"
    & skf18("9","10","2","3","6","8","1") = "9"
    & skf18("9","10","2","3","6","9","1") = "9"
    & skf18("9","10","2","3","6","10","1") = "9"
    & skf18("9","10","2","3","7","1","1") = "9"
    & skf18("9","10","2","3","7","2","1") = "9"
    & skf18("9","10","2","3","7","3","1") = "9"
    & skf18("9","10","2","3","7","4","1") = "9"
    & skf18("9","10","2","3","7","5","1") = "9"
    & skf18("9","10","2","3","7","6","1") = "9"
    & skf18("9","10","2","3","7","7","1") = "9"
    & skf18("9","10","2","3","7","8","1") = "9"
    & skf18("9","10","2","3","7","9","1") = "9"
    & skf18("9","10","2","3","7","10","1") = "9"
    & skf18("9","10","2","3","8","1","1") = "9"
    & skf18("9","10","2","3","8","2","1") = "9"
    & skf18("9","10","2","3","8","3","1") = "9"
    & skf18("9","10","2","3","8","4","1") = "9"
    & skf18("9","10","2","3","8","5","1") = "9"
    & skf18("9","10","2","3","8","6","1") = "9"
    & skf18("9","10","2","3","8","7","1") = "9"
    & skf18("9","10","2","3","8","8","1") = "9"
    & skf18("9","10","2","3","8","9","1") = "9"
    & skf18("9","10","2","3","8","10","1") = "9"
    & skf18("9","10","2","3","9","1","1") = "9"
    & skf18("9","10","2","3","9","2","1") = "9"
    & skf18("9","10","2","3","9","3","1") = "9"
    & skf18("9","10","2","3","9","4","1") = "9"
    & skf18("9","10","2","3","9","5","1") = "9"
    & skf18("9","10","2","3","9","6","1") = "9"
    & skf18("9","10","2","3","9","7","1") = "9"
    & skf18("9","10","2","3","9","8","1") = "9"
    & skf18("9","10","2","3","9","9","1") = "9"
    & skf18("9","10","2","3","9","10","1") = "9"
    & skf18("9","10","2","3","10","1","1") = "9"
    & skf18("9","10","2","3","10","2","1") = "9"
    & skf18("9","10","2","3","10","3","1") = "9"
    & skf18("9","10","2","3","10","4","1") = "9"
    & skf18("9","10","2","3","10","5","1") = "9"
    & skf18("9","10","2","3","10","6","1") = "9"
    & skf18("9","10","2","3","10","7","1") = "9"
    & skf18("9","10","2","3","10","8","1") = "9"
    & skf18("9","10","2","3","10","9","1") = "9"
    & skf18("9","10","2","3","10","10","1") = "9"
    & skf18("9","10","2","4","1","1","1") = "9"
    & skf18("9","10","2","4","1","2","1") = "9"
    & skf18("9","10","2","4","1","3","1") = "9"
    & skf18("9","10","2","4","1","4","1") = "9"
    & skf18("9","10","2","4","1","5","1") = "9"
    & skf18("9","10","2","4","1","6","1") = "9"
    & skf18("9","10","2","4","1","7","1") = "9"
    & skf18("9","10","2","4","1","8","1") = "9"
    & skf18("9","10","2","4","1","9","1") = "9"
    & skf18("9","10","2","4","1","10","1") = "9"
    & skf18("9","10","2","4","2","1","1") = "9"
    & skf18("9","10","2","4","2","2","1") = "9"
    & skf18("9","10","2","4","2","3","1") = "9"
    & skf18("9","10","2","4","2","4","1") = "9"
    & skf18("9","10","2","4","2","5","1") = "9"
    & skf18("9","10","2","4","2","6","1") = "9"
    & skf18("9","10","2","4","2","7","1") = "9"
    & skf18("9","10","2","4","2","8","1") = "9"
    & skf18("9","10","2","4","2","9","1") = "9"
    & skf18("9","10","2","4","2","10","1") = "9"
    & skf18("9","10","2","4","3","1","1") = "9"
    & skf18("9","10","2","4","3","2","1") = "9"
    & skf18("9","10","2","4","3","3","1") = "9"
    & skf18("9","10","2","4","3","4","1") = "9"
    & skf18("9","10","2","4","3","5","1") = "9"
    & skf18("9","10","2","4","3","6","1") = "9"
    & skf18("9","10","2","4","3","7","1") = "9"
    & skf18("9","10","2","4","3","8","1") = "9"
    & skf18("9","10","2","4","3","9","1") = "9"
    & skf18("9","10","2","4","3","10","1") = "9"
    & skf18("9","10","2","4","4","1","1") = "9"
    & skf18("9","10","2","4","4","2","1") = "9"
    & skf18("9","10","2","4","4","3","1") = "9"
    & skf18("9","10","2","4","4","4","1") = "9"
    & skf18("9","10","2","4","4","5","1") = "9"
    & skf18("9","10","2","4","4","6","1") = "9"
    & skf18("9","10","2","4","4","7","1") = "9"
    & skf18("9","10","2","4","4","8","1") = "9"
    & skf18("9","10","2","4","4","9","1") = "9"
    & skf18("9","10","2","4","4","10","1") = "9"
    & skf18("9","10","2","4","5","1","1") = "9"
    & skf18("9","10","2","4","5","2","1") = "9"
    & skf18("9","10","2","4","5","3","1") = "9"
    & skf18("9","10","2","4","5","4","1") = "9"
    & skf18("9","10","2","4","5","5","1") = "9"
    & skf18("9","10","2","4","5","6","1") = "9"
    & skf18("9","10","2","4","5","7","1") = "9"
    & skf18("9","10","2","4","5","8","1") = "9"
    & skf18("9","10","2","4","5","9","1") = "9"
    & skf18("9","10","2","4","5","10","1") = "9"
    & skf18("9","10","2","4","6","1","1") = "9"
    & skf18("9","10","2","4","6","2","1") = "9"
    & skf18("9","10","2","4","6","3","1") = "9"
    & skf18("9","10","2","4","6","4","1") = "9"
    & skf18("9","10","2","4","6","5","1") = "9"
    & skf18("9","10","2","4","6","6","1") = "9"
    & skf18("9","10","2","4","6","7","1") = "9"
    & skf18("9","10","2","4","6","8","1") = "9"
    & skf18("9","10","2","4","6","9","1") = "9"
    & skf18("9","10","2","4","6","10","1") = "9"
    & skf18("9","10","2","4","7","1","1") = "9"
    & skf18("9","10","2","4","7","2","1") = "9"
    & skf18("9","10","2","4","7","3","1") = "9"
    & skf18("9","10","2","4","7","4","1") = "9"
    & skf18("9","10","2","4","7","5","1") = "9"
    & skf18("9","10","2","4","7","6","1") = "9"
    & skf18("9","10","2","4","7","7","1") = "9"
    & skf18("9","10","2","4","7","8","1") = "9"
    & skf18("9","10","2","4","7","9","1") = "9"
    & skf18("9","10","2","4","7","10","1") = "9"
    & skf18("9","10","2","4","8","1","1") = "9"
    & skf18("9","10","2","4","8","2","1") = "9"
    & skf18("9","10","2","4","8","3","1") = "9"
    & skf18("9","10","2","4","8","4","1") = "9"
    & skf18("9","10","2","4","8","5","1") = "9"
    & skf18("9","10","2","4","8","6","1") = "9"
    & skf18("9","10","2","4","8","7","1") = "9"
    & skf18("9","10","2","4","8","8","1") = "9"
    & skf18("9","10","2","4","8","9","1") = "9"
    & skf18("9","10","2","4","8","10","1") = "9"
    & skf18("9","10","2","4","9","1","1") = "9"
    & skf18("9","10","2","4","9","2","1") = "9"
    & skf18("9","10","2","4","9","3","1") = "9"
    & skf18("9","10","2","4","9","4","1") = "9"
    & skf18("9","10","2","4","9","5","1") = "9"
    & skf18("9","10","2","4","9","6","1") = "9"
    & skf18("9","10","2","4","9","7","1") = "9"
    & skf18("9","10","2","4","9","8","1") = "9"
    & skf18("9","10","2","4","9","9","1") = "9"
    & skf18("9","10","2","4","9","10","1") = "9"
    & skf18("9","10","2","4","10","1","1") = "9"
    & skf18("9","10","2","4","10","2","1") = "9"
    & skf18("9","10","2","4","10","3","1") = "9"
    & skf18("9","10","2","4","10","4","1") = "9"
    & skf18("9","10","2","4","10","5","1") = "9"
    & skf18("9","10","2","4","10","6","1") = "9"
    & skf18("9","10","2","4","10","7","1") = "9"
    & skf18("9","10","2","4","10","8","1") = "9"
    & skf18("9","10","2","4","10","9","1") = "9"
    & skf18("9","10","2","4","10","10","1") = "9"
    & skf18("9","10","2","5","1","1","1") = "9"
    & skf18("9","10","2","5","1","2","1") = "9"
    & skf18("9","10","2","5","1","3","1") = "9"
    & skf18("9","10","2","5","1","4","1") = "9"
    & skf18("9","10","2","5","1","5","1") = "9"
    & skf18("9","10","2","5","1","6","1") = "9"
    & skf18("9","10","2","5","1","7","1") = "9"
    & skf18("9","10","2","5","1","8","1") = "9"
    & skf18("9","10","2","5","1","9","1") = "9"
    & skf18("9","10","2","5","1","10","1") = "9"
    & skf18("9","10","2","5","2","1","1") = "9"
    & skf18("9","10","2","5","2","2","1") = "9"
    & skf18("9","10","2","5","2","3","1") = "9"
    & skf18("9","10","2","5","2","4","1") = "9"
    & skf18("9","10","2","5","2","5","1") = "9"
    & skf18("9","10","2","5","2","6","1") = "9"
    & skf18("9","10","2","5","2","7","1") = "9"
    & skf18("9","10","2","5","2","8","1") = "9"
    & skf18("9","10","2","5","2","9","1") = "9"
    & skf18("9","10","2","5","2","10","1") = "9"
    & skf18("9","10","2","5","3","1","1") = "9"
    & skf18("9","10","2","5","3","2","1") = "9"
    & skf18("9","10","2","5","3","3","1") = "9"
    & skf18("9","10","2","5","3","4","1") = "9"
    & skf18("9","10","2","5","3","5","1") = "9"
    & skf18("9","10","2","5","3","6","1") = "9"
    & skf18("9","10","2","5","3","7","1") = "9"
    & skf18("9","10","2","5","3","8","1") = "9"
    & skf18("9","10","2","5","3","9","1") = "9"
    & skf18("9","10","2","5","3","10","1") = "9"
    & skf18("9","10","2","5","4","1","1") = "9"
    & skf18("9","10","2","5","4","2","1") = "9"
    & skf18("9","10","2","5","4","3","1") = "9"
    & skf18("9","10","2","5","4","4","1") = "9"
    & skf18("9","10","2","5","4","5","1") = "9"
    & skf18("9","10","2","5","4","6","1") = "9"
    & skf18("9","10","2","5","4","7","1") = "9"
    & skf18("9","10","2","5","4","8","1") = "9"
    & skf18("9","10","2","5","4","9","1") = "9"
    & skf18("9","10","2","5","4","10","1") = "9"
    & skf18("9","10","2","5","5","1","1") = "9"
    & skf18("9","10","2","5","5","2","1") = "9"
    & skf18("9","10","2","5","5","3","1") = "9"
    & skf18("9","10","2","5","5","4","1") = "9"
    & skf18("9","10","2","5","5","5","1") = "9"
    & skf18("9","10","2","5","5","6","1") = "9"
    & skf18("9","10","2","5","5","7","1") = "9"
    & skf18("9","10","2","5","5","8","1") = "9"
    & skf18("9","10","2","5","5","9","1") = "9"
    & skf18("9","10","2","5","5","10","1") = "9"
    & skf18("9","10","2","5","6","1","1") = "9"
    & skf18("9","10","2","5","6","2","1") = "9"
    & skf18("9","10","2","5","6","3","1") = "9"
    & skf18("9","10","2","5","6","4","1") = "9"
    & skf18("9","10","2","5","6","5","1") = "9"
    & skf18("9","10","2","5","6","6","1") = "9"
    & skf18("9","10","2","5","6","7","1") = "9"
    & skf18("9","10","2","5","6","8","1") = "9"
    & skf18("9","10","2","5","6","9","1") = "9"
    & skf18("9","10","2","5","6","10","1") = "9"
    & skf18("9","10","2","5","7","1","1") = "9"
    & skf18("9","10","2","5","7","2","1") = "9"
    & skf18("9","10","2","5","7","3","1") = "9"
    & skf18("9","10","2","5","7","4","1") = "9"
    & skf18("9","10","2","5","7","5","1") = "9"
    & skf18("9","10","2","5","7","6","1") = "9"
    & skf18("9","10","2","5","7","7","1") = "9"
    & skf18("9","10","2","5","7","8","1") = "9"
    & skf18("9","10","2","5","7","9","1") = "9"
    & skf18("9","10","2","5","7","10","1") = "9"
    & skf18("9","10","2","5","8","1","1") = "9"
    & skf18("9","10","2","5","8","2","1") = "9"
    & skf18("9","10","2","5","8","3","1") = "9"
    & skf18("9","10","2","5","8","4","1") = "9"
    & skf18("9","10","2","5","8","5","1") = "9"
    & skf18("9","10","2","5","8","6","1") = "9"
    & skf18("9","10","2","5","8","7","1") = "9"
    & skf18("9","10","2","5","8","8","1") = "9"
    & skf18("9","10","2","5","8","9","1") = "9"
    & skf18("9","10","2","5","8","10","1") = "9"
    & skf18("9","10","2","5","9","1","1") = "9"
    & skf18("9","10","2","5","9","2","1") = "9"
    & skf18("9","10","2","5","9","3","1") = "9"
    & skf18("9","10","2","5","9","4","1") = "9"
    & skf18("9","10","2","5","9","5","1") = "9"
    & skf18("9","10","2","5","9","6","1") = "9"
    & skf18("9","10","2","5","9","7","1") = "9"
    & skf18("9","10","2","5","9","8","1") = "9"
    & skf18("9","10","2","5","9","9","1") = "9"
    & skf18("9","10","2","5","9","10","1") = "9"
    & skf18("9","10","2","5","10","1","1") = "9"
    & skf18("9","10","2","5","10","2","1") = "9"
    & skf18("9","10","2","5","10","3","1") = "9"
    & skf18("9","10","2","5","10","4","1") = "9"
    & skf18("9","10","2","5","10","5","1") = "9"
    & skf18("9","10","2","5","10","6","1") = "9"
    & skf18("9","10","2","5","10","7","1") = "9"
    & skf18("9","10","2","5","10","8","1") = "9"
    & skf18("9","10","2","5","10","9","1") = "9"
    & skf18("9","10","2","5","10","10","1") = "9"
    & skf18("9","10","2","6","1","1","1") = "9"
    & skf18("9","10","2","6","1","2","1") = "9"
    & skf18("9","10","2","6","1","3","1") = "9"
    & skf18("9","10","2","6","1","4","1") = "9"
    & skf18("9","10","2","6","1","5","1") = "9"
    & skf18("9","10","2","6","1","6","1") = "9"
    & skf18("9","10","2","6","1","7","1") = "9"
    & skf18("9","10","2","6","1","8","1") = "9"
    & skf18("9","10","2","6","1","9","1") = "9"
    & skf18("9","10","2","6","1","10","1") = "9"
    & skf18("9","10","2","6","2","1","1") = "9"
    & skf18("9","10","2","6","2","2","1") = "9"
    & skf18("9","10","2","6","2","3","1") = "9"
    & skf18("9","10","2","6","2","4","1") = "9"
    & skf18("9","10","2","6","2","5","1") = "9"
    & skf18("9","10","2","6","2","6","1") = "9"
    & skf18("9","10","2","6","2","7","1") = "9"
    & skf18("9","10","2","6","2","8","1") = "9"
    & skf18("9","10","2","6","2","9","1") = "9"
    & skf18("9","10","2","6","2","10","1") = "9"
    & skf18("9","10","2","6","3","1","1") = "9"
    & skf18("9","10","2","6","3","2","1") = "9"
    & skf18("9","10","2","6","3","3","1") = "9"
    & skf18("9","10","2","6","3","4","1") = "9"
    & skf18("9","10","2","6","3","5","1") = "9"
    & skf18("9","10","2","6","3","6","1") = "9"
    & skf18("9","10","2","6","3","7","1") = "9"
    & skf18("9","10","2","6","3","8","1") = "9"
    & skf18("9","10","2","6","3","9","1") = "9"
    & skf18("9","10","2","6","3","10","1") = "9"
    & skf18("9","10","2","6","4","1","1") = "9"
    & skf18("9","10","2","6","4","2","1") = "9"
    & skf18("9","10","2","6","4","3","1") = "9"
    & skf18("9","10","2","6","4","4","1") = "9"
    & skf18("9","10","2","6","4","5","1") = "9"
    & skf18("9","10","2","6","4","6","1") = "9"
    & skf18("9","10","2","6","4","7","1") = "9"
    & skf18("9","10","2","6","4","8","1") = "9"
    & skf18("9","10","2","6","4","9","1") = "9"
    & skf18("9","10","2","6","4","10","1") = "9"
    & skf18("9","10","2","6","5","1","1") = "9"
    & skf18("9","10","2","6","5","2","1") = "9"
    & skf18("9","10","2","6","5","3","1") = "9"
    & skf18("9","10","2","6","5","4","1") = "9"
    & skf18("9","10","2","6","5","5","1") = "9"
    & skf18("9","10","2","6","5","6","1") = "9"
    & skf18("9","10","2","6","5","7","1") = "9"
    & skf18("9","10","2","6","5","8","1") = "9"
    & skf18("9","10","2","6","5","9","1") = "9"
    & skf18("9","10","2","6","5","10","1") = "9"
    & skf18("9","10","2","6","6","1","1") = "9"
    & skf18("9","10","2","6","6","2","1") = "9"
    & skf18("9","10","2","6","6","3","1") = "9"
    & skf18("9","10","2","6","6","4","1") = "9"
    & skf18("9","10","2","6","6","5","1") = "9"
    & skf18("9","10","2","6","6","6","1") = "9"
    & skf18("9","10","2","6","6","7","1") = "9"
    & skf18("9","10","2","6","6","8","1") = "9"
    & skf18("9","10","2","6","6","9","1") = "9"
    & skf18("9","10","2","6","6","10","1") = "9"
    & skf18("9","10","2","6","7","1","1") = "9"
    & skf18("9","10","2","6","7","2","1") = "9"
    & skf18("9","10","2","6","7","3","1") = "9"
    & skf18("9","10","2","6","7","4","1") = "9"
    & skf18("9","10","2","6","7","5","1") = "9"
    & skf18("9","10","2","6","7","6","1") = "9"
    & skf18("9","10","2","6","7","7","1") = "9"
    & skf18("9","10","2","6","7","8","1") = "9"
    & skf18("9","10","2","6","7","9","1") = "9"
    & skf18("9","10","2","6","7","10","1") = "9"
    & skf18("9","10","2","6","8","1","1") = "9"
    & skf18("9","10","2","6","8","2","1") = "9"
    & skf18("9","10","2","6","8","3","1") = "9"
    & skf18("9","10","2","6","8","4","1") = "9"
    & skf18("9","10","2","6","8","5","1") = "9"
    & skf18("9","10","2","6","8","6","1") = "9"
    & skf18("9","10","2","6","8","7","1") = "9"
    & skf18("9","10","2","6","8","8","1") = "9"
    & skf18("9","10","2","6","8","9","1") = "9"
    & skf18("9","10","2","6","8","10","1") = "9"
    & skf18("9","10","2","6","9","1","1") = "9"
    & skf18("9","10","2","6","9","2","1") = "9"
    & skf18("9","10","2","6","9","3","1") = "9"
    & skf18("9","10","2","6","9","4","1") = "9"
    & skf18("9","10","2","6","9","5","1") = "9"
    & skf18("9","10","2","6","9","6","1") = "9"
    & skf18("9","10","2","6","9","7","1") = "9"
    & skf18("9","10","2","6","9","8","1") = "9"
    & skf18("9","10","2","6","9","9","1") = "9"
    & skf18("9","10","2","6","9","10","1") = "9"
    & skf18("9","10","2","6","10","1","1") = "9"
    & skf18("9","10","2","6","10","2","1") = "9"
    & skf18("9","10","2","6","10","3","1") = "9"
    & skf18("9","10","2","6","10","4","1") = "9"
    & skf18("9","10","2","6","10","5","1") = "9"
    & skf18("9","10","2","6","10","6","1") = "9"
    & skf18("9","10","2","6","10","7","1") = "9"
    & skf18("9","10","2","6","10","8","1") = "9"
    & skf18("9","10","2","6","10","9","1") = "9"
    & skf18("9","10","2","6","10","10","1") = "9"
    & skf18("9","10","2","7","1","1","1") = "9"
    & skf18("9","10","2","7","1","2","1") = "9"
    & skf18("9","10","2","7","1","3","1") = "9"
    & skf18("9","10","2","7","1","4","1") = "9"
    & skf18("9","10","2","7","1","5","1") = "9"
    & skf18("9","10","2","7","1","6","1") = "9"
    & skf18("9","10","2","7","1","7","1") = "9"
    & skf18("9","10","2","7","1","8","1") = "9"
    & skf18("9","10","2","7","1","9","1") = "9"
    & skf18("9","10","2","7","1","10","1") = "9"
    & skf18("9","10","2","7","2","1","1") = "9"
    & skf18("9","10","2","7","2","2","1") = "9"
    & skf18("9","10","2","7","2","3","1") = "9"
    & skf18("9","10","2","7","2","4","1") = "9"
    & skf18("9","10","2","7","2","5","1") = "9"
    & skf18("9","10","2","7","2","6","1") = "9"
    & skf18("9","10","2","7","2","7","1") = "9"
    & skf18("9","10","2","7","2","8","1") = "9"
    & skf18("9","10","2","7","2","9","1") = "9"
    & skf18("9","10","2","7","2","10","1") = "9"
    & skf18("9","10","2","7","3","1","1") = "9"
    & skf18("9","10","2","7","3","2","1") = "9"
    & skf18("9","10","2","7","3","3","1") = "9"
    & skf18("9","10","2","7","3","4","1") = "9"
    & skf18("9","10","2","7","3","5","1") = "9"
    & skf18("9","10","2","7","3","6","1") = "9"
    & skf18("9","10","2","7","3","7","1") = "9"
    & skf18("9","10","2","7","3","8","1") = "9"
    & skf18("9","10","2","7","3","9","1") = "9"
    & skf18("9","10","2","7","3","10","1") = "9"
    & skf18("9","10","2","7","4","1","1") = "9"
    & skf18("9","10","2","7","4","2","1") = "9"
    & skf18("9","10","2","7","4","3","1") = "9"
    & skf18("9","10","2","7","4","4","1") = "9"
    & skf18("9","10","2","7","4","5","1") = "9"
    & skf18("9","10","2","7","4","6","1") = "9"
    & skf18("9","10","2","7","4","7","1") = "9"
    & skf18("9","10","2","7","4","8","1") = "9"
    & skf18("9","10","2","7","4","9","1") = "9"
    & skf18("9","10","2","7","4","10","1") = "9"
    & skf18("9","10","2","7","5","1","1") = "9"
    & skf18("9","10","2","7","5","2","1") = "9"
    & skf18("9","10","2","7","5","3","1") = "9"
    & skf18("9","10","2","7","5","4","1") = "9"
    & skf18("9","10","2","7","5","5","1") = "9"
    & skf18("9","10","2","7","5","6","1") = "9"
    & skf18("9","10","2","7","5","7","1") = "9"
    & skf18("9","10","2","7","5","8","1") = "9"
    & skf18("9","10","2","7","5","9","1") = "9"
    & skf18("9","10","2","7","5","10","1") = "9"
    & skf18("9","10","2","7","6","1","1") = "9"
    & skf18("9","10","2","7","6","2","1") = "9"
    & skf18("9","10","2","7","6","3","1") = "9"
    & skf18("9","10","2","7","6","4","1") = "9"
    & skf18("9","10","2","7","6","5","1") = "9"
    & skf18("9","10","2","7","6","6","1") = "9"
    & skf18("9","10","2","7","6","7","1") = "9"
    & skf18("9","10","2","7","6","8","1") = "9"
    & skf18("9","10","2","7","6","9","1") = "9"
    & skf18("9","10","2","7","6","10","1") = "9"
    & skf18("9","10","2","7","7","1","1") = "9"
    & skf18("9","10","2","7","7","2","1") = "9"
    & skf18("9","10","2","7","7","3","1") = "9"
    & skf18("9","10","2","7","7","4","1") = "9"
    & skf18("9","10","2","7","7","5","1") = "9"
    & skf18("9","10","2","7","7","6","1") = "9"
    & skf18("9","10","2","7","7","7","1") = "9"
    & skf18("9","10","2","7","7","8","1") = "9"
    & skf18("9","10","2","7","7","9","1") = "9"
    & skf18("9","10","2","7","7","10","1") = "9"
    & skf18("9","10","2","7","8","1","1") = "9"
    & skf18("9","10","2","7","8","2","1") = "9"
    & skf18("9","10","2","7","8","3","1") = "9"
    & skf18("9","10","2","7","8","4","1") = "9"
    & skf18("9","10","2","7","8","5","1") = "9"
    & skf18("9","10","2","7","8","6","1") = "9"
    & skf18("9","10","2","7","8","7","1") = "9"
    & skf18("9","10","2","7","8","8","1") = "9"
    & skf18("9","10","2","7","8","9","1") = "9"
    & skf18("9","10","2","7","8","10","1") = "9"
    & skf18("9","10","2","7","9","1","1") = "9"
    & skf18("9","10","2","7","9","2","1") = "9"
    & skf18("9","10","2","7","9","3","1") = "9"
    & skf18("9","10","2","7","9","4","1") = "9"
    & skf18("9","10","2","7","9","5","1") = "9"
    & skf18("9","10","2","7","9","6","1") = "9"
    & skf18("9","10","2","7","9","7","1") = "9"
    & skf18("9","10","2","7","9","8","1") = "9"
    & skf18("9","10","2","7","9","9","1") = "9"
    & skf18("9","10","2","7","9","10","1") = "9"
    & skf18("9","10","2","7","10","1","1") = "9"
    & skf18("9","10","2","7","10","2","1") = "9"
    & skf18("9","10","2","7","10","3","1") = "9"
    & skf18("9","10","2","7","10","4","1") = "9"
    & skf18("9","10","2","7","10","5","1") = "9"
    & skf18("9","10","2","7","10","6","1") = "9"
    & skf18("9","10","2","7","10","7","1") = "9"
    & skf18("9","10","2","7","10","8","1") = "9"
    & skf18("9","10","2","7","10","9","1") = "9"
    & skf18("9","10","2","7","10","10","1") = "9"
    & skf18("9","10","2","8","1","1","1") = "9"
    & skf18("9","10","2","8","1","2","1") = "9"
    & skf18("9","10","2","8","1","3","1") = "9"
    & skf18("9","10","2","8","1","4","1") = "9"
    & skf18("9","10","2","8","1","5","1") = "9"
    & skf18("9","10","2","8","1","6","1") = "9"
    & skf18("9","10","2","8","1","7","1") = "9"
    & skf18("9","10","2","8","1","8","1") = "9"
    & skf18("9","10","2","8","1","9","1") = "9"
    & skf18("9","10","2","8","1","10","1") = "9"
    & skf18("9","10","2","8","2","1","1") = "9"
    & skf18("9","10","2","8","2","2","1") = "9"
    & skf18("9","10","2","8","2","3","1") = "9"
    & skf18("9","10","2","8","2","4","1") = "9"
    & skf18("9","10","2","8","2","5","1") = "9"
    & skf18("9","10","2","8","2","6","1") = "9"
    & skf18("9","10","2","8","2","7","1") = "9"
    & skf18("9","10","2","8","2","8","1") = "9"
    & skf18("9","10","2","8","2","9","1") = "9"
    & skf18("9","10","2","8","2","10","1") = "9"
    & skf18("9","10","2","8","3","1","1") = "9"
    & skf18("9","10","2","8","3","2","1") = "9"
    & skf18("9","10","2","8","3","3","1") = "9"
    & skf18("9","10","2","8","3","4","1") = "9"
    & skf18("9","10","2","8","3","5","1") = "9"
    & skf18("9","10","2","8","3","6","1") = "9"
    & skf18("9","10","2","8","3","7","1") = "9"
    & skf18("9","10","2","8","3","8","1") = "9"
    & skf18("9","10","2","8","3","9","1") = "9"
    & skf18("9","10","2","8","3","10","1") = "9"
    & skf18("9","10","2","8","4","1","1") = "9"
    & skf18("9","10","2","8","4","2","1") = "9"
    & skf18("9","10","2","8","4","3","1") = "9"
    & skf18("9","10","2","8","4","4","1") = "9"
    & skf18("9","10","2","8","4","5","1") = "9"
    & skf18("9","10","2","8","4","6","1") = "9"
    & skf18("9","10","2","8","4","7","1") = "9"
    & skf18("9","10","2","8","4","8","1") = "9"
    & skf18("9","10","2","8","4","9","1") = "9"
    & skf18("9","10","2","8","4","10","1") = "9"
    & skf18("9","10","2","8","5","1","1") = "9"
    & skf18("9","10","2","8","5","2","1") = "9"
    & skf18("9","10","2","8","5","3","1") = "9"
    & skf18("9","10","2","8","5","4","1") = "9"
    & skf18("9","10","2","8","5","5","1") = "9"
    & skf18("9","10","2","8","5","6","1") = "9"
    & skf18("9","10","2","8","5","7","1") = "9"
    & skf18("9","10","2","8","5","8","1") = "9"
    & skf18("9","10","2","8","5","9","1") = "9"
    & skf18("9","10","2","8","5","10","1") = "9"
    & skf18("9","10","2","8","6","1","1") = "9"
    & skf18("9","10","2","8","6","2","1") = "9"
    & skf18("9","10","2","8","6","3","1") = "9"
    & skf18("9","10","2","8","6","4","1") = "9"
    & skf18("9","10","2","8","6","5","1") = "9"
    & skf18("9","10","2","8","6","6","1") = "9"
    & skf18("9","10","2","8","6","7","1") = "9"
    & skf18("9","10","2","8","6","8","1") = "9"
    & skf18("9","10","2","8","6","9","1") = "9"
    & skf18("9","10","2","8","6","10","1") = "9"
    & skf18("9","10","2","8","7","1","1") = "9"
    & skf18("9","10","2","8","7","2","1") = "9"
    & skf18("9","10","2","8","7","3","1") = "9"
    & skf18("9","10","2","8","7","4","1") = "9"
    & skf18("9","10","2","8","7","5","1") = "9"
    & skf18("9","10","2","8","7","6","1") = "9"
    & skf18("9","10","2","8","7","7","1") = "9"
    & skf18("9","10","2","8","7","8","1") = "9"
    & skf18("9","10","2","8","7","9","1") = "9"
    & skf18("9","10","2","8","7","10","1") = "9"
    & skf18("9","10","2","8","8","1","1") = "9"
    & skf18("9","10","2","8","8","2","1") = "9"
    & skf18("9","10","2","8","8","3","1") = "9"
    & skf18("9","10","2","8","8","4","1") = "9"
    & skf18("9","10","2","8","8","5","1") = "9"
    & skf18("9","10","2","8","8","6","1") = "9"
    & skf18("9","10","2","8","8","7","1") = "9"
    & skf18("9","10","2","8","8","8","1") = "9"
    & skf18("9","10","2","8","8","9","1") = "9"
    & skf18("9","10","2","8","8","10","1") = "9"
    & skf18("9","10","2","8","9","1","1") = "9"
    & skf18("9","10","2","8","9","2","1") = "9"
    & skf18("9","10","2","8","9","3","1") = "9"
    & skf18("9","10","2","8","9","4","1") = "9"
    & skf18("9","10","2","8","9","5","1") = "9"
    & skf18("9","10","2","8","9","6","1") = "9"
    & skf18("9","10","2","8","9","7","1") = "9"
    & skf18("9","10","2","8","9","8","1") = "9"
    & skf18("9","10","2","8","9","9","1") = "9"
    & skf18("9","10","2","8","9","10","1") = "9"
    & skf18("9","10","2","8","10","1","1") = "9"
    & skf18("9","10","2","8","10","2","1") = "9"
    & skf18("9","10","2","8","10","3","1") = "9"
    & skf18("9","10","2","8","10","4","1") = "9"
    & skf18("9","10","2","8","10","5","1") = "9"
    & skf18("9","10","2","8","10","6","1") = "9"
    & skf18("9","10","2","8","10","7","1") = "9"
    & skf18("9","10","2","8","10","8","1") = "9"
    & skf18("9","10","2","8","10","9","1") = "9"
    & skf18("9","10","2","8","10","10","1") = "9"
    & skf18("9","10","2","9","1","1","1") = "9"
    & skf18("9","10","2","9","1","2","1") = "9"
    & skf18("9","10","2","9","1","3","1") = "9"
    & skf18("9","10","2","9","1","4","1") = "9"
    & skf18("9","10","2","9","1","5","1") = "9"
    & skf18("9","10","2","9","1","6","1") = "9"
    & skf18("9","10","2","9","1","7","1") = "9"
    & skf18("9","10","2","9","1","8","1") = "9"
    & skf18("9","10","2","9","1","9","1") = "9"
    & skf18("9","10","2","9","1","10","1") = "9"
    & skf18("9","10","2","9","2","1","1") = "9"
    & skf18("9","10","2","9","2","2","1") = "9"
    & skf18("9","10","2","9","2","3","1") = "9"
    & skf18("9","10","2","9","2","4","1") = "9"
    & skf18("9","10","2","9","2","5","1") = "9"
    & skf18("9","10","2","9","2","6","1") = "9"
    & skf18("9","10","2","9","2","7","1") = "9"
    & skf18("9","10","2","9","2","8","1") = "9"
    & skf18("9","10","2","9","2","9","1") = "9"
    & skf18("9","10","2","9","2","10","1") = "9"
    & skf18("9","10","2","9","3","1","1") = "9"
    & skf18("9","10","2","9","3","2","1") = "9"
    & skf18("9","10","2","9","3","3","1") = "9"
    & skf18("9","10","2","9","3","4","1") = "9"
    & skf18("9","10","2","9","3","5","1") = "9"
    & skf18("9","10","2","9","3","6","1") = "9"
    & skf18("9","10","2","9","3","7","1") = "9"
    & skf18("9","10","2","9","3","8","1") = "9"
    & skf18("9","10","2","9","3","9","1") = "9"
    & skf18("9","10","2","9","3","10","1") = "9"
    & skf18("9","10","2","9","4","1","1") = "9"
    & skf18("9","10","2","9","4","2","1") = "9"
    & skf18("9","10","2","9","4","3","1") = "9"
    & skf18("9","10","2","9","4","4","1") = "9"
    & skf18("9","10","2","9","4","5","1") = "9"
    & skf18("9","10","2","9","4","6","1") = "9"
    & skf18("9","10","2","9","4","7","1") = "9"
    & skf18("9","10","2","9","4","8","1") = "9"
    & skf18("9","10","2","9","4","9","1") = "9"
    & skf18("9","10","2","9","4","10","1") = "9"
    & skf18("9","10","2","9","5","1","1") = "9"
    & skf18("9","10","2","9","5","2","1") = "9"
    & skf18("9","10","2","9","5","3","1") = "9"
    & skf18("9","10","2","9","5","4","1") = "9"
    & skf18("9","10","2","9","5","5","1") = "9"
    & skf18("9","10","2","9","5","6","1") = "9"
    & skf18("9","10","2","9","5","7","1") = "9"
    & skf18("9","10","2","9","5","8","1") = "9"
    & skf18("9","10","2","9","5","9","1") = "9"
    & skf18("9","10","2","9","5","10","1") = "9"
    & skf18("9","10","2","9","6","1","1") = "9"
    & skf18("9","10","2","9","6","2","1") = "9"
    & skf18("9","10","2","9","6","3","1") = "9"
    & skf18("9","10","2","9","6","4","1") = "9"
    & skf18("9","10","2","9","6","5","1") = "9"
    & skf18("9","10","2","9","6","6","1") = "9"
    & skf18("9","10","2","9","6","7","1") = "9"
    & skf18("9","10","2","9","6","8","1") = "9"
    & skf18("9","10","2","9","6","9","1") = "9"
    & skf18("9","10","2","9","6","10","1") = "9"
    & skf18("9","10","2","9","7","1","1") = "9"
    & skf18("9","10","2","9","7","2","1") = "9"
    & skf18("9","10","2","9","7","3","1") = "9"
    & skf18("9","10","2","9","7","4","1") = "9"
    & skf18("9","10","2","9","7","5","1") = "9"
    & skf18("9","10","2","9","7","6","1") = "9"
    & skf18("9","10","2","9","7","7","1") = "9"
    & skf18("9","10","2","9","7","8","1") = "9"
    & skf18("9","10","2","9","7","9","1") = "9"
    & skf18("9","10","2","9","7","10","1") = "9"
    & skf18("9","10","2","9","8","1","1") = "9"
    & skf18("9","10","2","9","8","2","1") = "9"
    & skf18("9","10","2","9","8","3","1") = "9"
    & skf18("9","10","2","9","8","4","1") = "9"
    & skf18("9","10","2","9","8","5","1") = "9"
    & skf18("9","10","2","9","8","6","1") = "9"
    & skf18("9","10","2","9","8","7","1") = "9"
    & skf18("9","10","2","9","8","8","1") = "9"
    & skf18("9","10","2","9","8","9","1") = "9"
    & skf18("9","10","2","9","8","10","1") = "9"
    & skf18("9","10","2","9","9","1","1") = "9"
    & skf18("9","10","2","9","9","2","1") = "9"
    & skf18("9","10","2","9","9","3","1") = "9"
    & skf18("9","10","2","9","9","4","1") = "9"
    & skf18("9","10","2","9","9","5","1") = "9"
    & skf18("9","10","2","9","9","6","1") = "9"
    & skf18("9","10","2","9","9","7","1") = "9"
    & skf18("9","10","2","9","9","8","1") = "9"
    & skf18("9","10","2","9","9","9","1") = "9"
    & skf18("9","10","2","9","9","10","1") = "9"
    & skf18("9","10","2","9","10","1","1") = "9"
    & skf18("9","10","2","9","10","2","1") = "9"
    & skf18("9","10","2","9","10","3","1") = "9"
    & skf18("9","10","2","9","10","4","1") = "9"
    & skf18("9","10","2","9","10","5","1") = "9"
    & skf18("9","10","2","9","10","6","1") = "9"
    & skf18("9","10","2","9","10","7","1") = "9"
    & skf18("9","10","2","9","10","8","1") = "9"
    & skf18("9","10","2","9","10","9","1") = "9"
    & skf18("9","10","2","9","10","10","1") = "9"
    & skf18("9","10","2","10","1","1","1") = "9"
    & skf18("9","10","2","10","1","2","1") = "9"
    & skf18("9","10","2","10","1","3","1") = "9"
    & skf18("9","10","2","10","1","4","1") = "9"
    & skf18("9","10","2","10","1","5","1") = "9"
    & skf18("9","10","2","10","1","6","1") = "9"
    & skf18("9","10","2","10","1","7","1") = "9"
    & skf18("9","10","2","10","1","8","1") = "9"
    & skf18("9","10","2","10","1","9","1") = "9"
    & skf18("9","10","2","10","1","10","1") = "9"
    & skf18("9","10","2","10","2","1","1") = "9"
    & skf18("9","10","2","10","2","2","1") = "9"
    & skf18("9","10","2","10","2","3","1") = "9"
    & skf18("9","10","2","10","2","4","1") = "9"
    & skf18("9","10","2","10","2","5","1") = "9"
    & skf18("9","10","2","10","2","6","1") = "9"
    & skf18("9","10","2","10","2","7","1") = "9"
    & skf18("9","10","2","10","2","8","1") = "9"
    & skf18("9","10","2","10","2","9","1") = "9"
    & skf18("9","10","2","10","2","10","1") = "9"
    & skf18("9","10","2","10","3","1","1") = "9"
    & skf18("9","10","2","10","3","2","1") = "9"
    & skf18("9","10","2","10","3","3","1") = "9"
    & skf18("9","10","2","10","3","4","1") = "9"
    & skf18("9","10","2","10","3","5","1") = "9"
    & skf18("9","10","2","10","3","6","1") = "9"
    & skf18("9","10","2","10","3","7","1") = "9"
    & skf18("9","10","2","10","3","8","1") = "9"
    & skf18("9","10","2","10","3","9","1") = "9"
    & skf18("9","10","2","10","3","10","1") = "9"
    & skf18("9","10","2","10","4","1","1") = "9"
    & skf18("9","10","2","10","4","2","1") = "9"
    & skf18("9","10","2","10","4","3","1") = "9"
    & skf18("9","10","2","10","4","4","1") = "9"
    & skf18("9","10","2","10","4","5","1") = "9"
    & skf18("9","10","2","10","4","6","1") = "9"
    & skf18("9","10","2","10","4","7","1") = "9"
    & skf18("9","10","2","10","4","8","1") = "9"
    & skf18("9","10","2","10","4","9","1") = "9"
    & skf18("9","10","2","10","4","10","1") = "9"
    & skf18("9","10","2","10","5","1","1") = "9"
    & skf18("9","10","2","10","5","2","1") = "9"
    & skf18("9","10","2","10","5","3","1") = "9"
    & skf18("9","10","2","10","5","4","1") = "9"
    & skf18("9","10","2","10","5","5","1") = "9"
    & skf18("9","10","2","10","5","6","1") = "9"
    & skf18("9","10","2","10","5","7","1") = "9"
    & skf18("9","10","2","10","5","8","1") = "9"
    & skf18("9","10","2","10","5","9","1") = "9"
    & skf18("9","10","2","10","5","10","1") = "9"
    & skf18("9","10","2","10","6","1","1") = "9"
    & skf18("9","10","2","10","6","2","1") = "9"
    & skf18("9","10","2","10","6","3","1") = "9"
    & skf18("9","10","2","10","6","4","1") = "9"
    & skf18("9","10","2","10","6","5","1") = "9"
    & skf18("9","10","2","10","6","6","1") = "9"
    & skf18("9","10","2","10","6","7","1") = "9"
    & skf18("9","10","2","10","6","8","1") = "9"
    & skf18("9","10","2","10","6","9","1") = "9"
    & skf18("9","10","2","10","6","10","1") = "9"
    & skf18("9","10","2","10","7","1","1") = "9"
    & skf18("9","10","2","10","7","2","1") = "9"
    & skf18("9","10","2","10","7","3","1") = "9"
    & skf18("9","10","2","10","7","4","1") = "9"
    & skf18("9","10","2","10","7","5","1") = "9"
    & skf18("9","10","2","10","7","6","1") = "9"
    & skf18("9","10","2","10","7","7","1") = "9"
    & skf18("9","10","2","10","7","8","1") = "9"
    & skf18("9","10","2","10","7","9","1") = "9"
    & skf18("9","10","2","10","7","10","1") = "9"
    & skf18("9","10","2","10","8","1","1") = "9"
    & skf18("9","10","2","10","8","2","1") = "9"
    & skf18("9","10","2","10","8","3","1") = "9"
    & skf18("9","10","2","10","8","4","1") = "9"
    & skf18("9","10","2","10","8","5","1") = "9"
    & skf18("9","10","2","10","8","6","1") = "9"
    & skf18("9","10","2","10","8","7","1") = "9"
    & skf18("9","10","2","10","8","8","1") = "9"
    & skf18("9","10","2","10","8","9","1") = "9"
    & skf18("9","10","2","10","8","10","1") = "9"
    & skf18("9","10","2","10","9","1","1") = "9"
    & skf18("9","10","2","10","9","2","1") = "9"
    & skf18("9","10","2","10","9","3","1") = "9"
    & skf18("9","10","2","10","9","4","1") = "9"
    & skf18("9","10","2","10","9","5","1") = "9"
    & skf18("9","10","2","10","9","6","1") = "9"
    & skf18("9","10","2","10","9","7","1") = "9"
    & skf18("9","10","2","10","9","8","1") = "9"
    & skf18("9","10","2","10","9","9","1") = "9"
    & skf18("9","10","2","10","9","10","1") = "9"
    & skf18("9","10","2","10","10","1","1") = "9"
    & skf18("9","10","2","10","10","2","1") = "9"
    & skf18("9","10","2","10","10","3","1") = "9"
    & skf18("9","10","2","10","10","4","1") = "9"
    & skf18("9","10","2","10","10","5","1") = "9"
    & skf18("9","10","2","10","10","6","1") = "9"
    & skf18("9","10","2","10","10","7","1") = "9"
    & skf18("9","10","2","10","10","8","1") = "9"
    & skf18("9","10","2","10","10","9","1") = "9"
    & skf18("9","10","2","10","10","10","1") = "9"
    & skf18("9","10","3","1","1","1","1") = "9"
    & skf18("9","10","3","1","1","2","1") = "9"
    & skf18("9","10","3","1","1","3","1") = "9"
    & skf18("9","10","3","1","1","4","1") = "9"
    & skf18("9","10","3","1","1","5","1") = "9"
    & skf18("9","10","3","1","1","6","1") = "9"
    & skf18("9","10","3","1","1","7","1") = "9"
    & skf18("9","10","3","1","1","8","1") = "9"
    & skf18("9","10","3","1","1","9","1") = "9"
    & skf18("9","10","3","1","1","10","1") = "9"
    & skf18("9","10","3","1","2","1","1") = "9"
    & skf18("9","10","3","1","2","2","1") = "9"
    & skf18("9","10","3","1","2","3","1") = "9"
    & skf18("9","10","3","1","2","4","1") = "9"
    & skf18("9","10","3","1","2","5","1") = "9"
    & skf18("9","10","3","1","2","6","1") = "9"
    & skf18("9","10","3","1","2","7","1") = "9"
    & skf18("9","10","3","1","2","8","1") = "9"
    & skf18("9","10","3","1","2","9","1") = "9"
    & skf18("9","10","3","1","2","10","1") = "9"
    & skf18("9","10","3","1","3","1","1") = "9"
    & skf18("9","10","3","1","3","2","1") = "9"
    & skf18("9","10","3","1","3","3","1") = "9"
    & skf18("9","10","3","1","3","4","1") = "9"
    & skf18("9","10","3","1","3","5","1") = "9"
    & skf18("9","10","3","1","3","6","1") = "9"
    & skf18("9","10","3","1","3","7","1") = "9"
    & skf18("9","10","3","1","3","8","1") = "9"
    & skf18("9","10","3","1","3","9","1") = "9"
    & skf18("9","10","3","1","3","10","1") = "9"
    & skf18("9","10","3","1","4","1","1") = "9"
    & skf18("9","10","3","1","4","2","1") = "9"
    & skf18("9","10","3","1","4","3","1") = "9"
    & skf18("9","10","3","1","4","4","1") = "9"
    & skf18("9","10","3","1","4","5","1") = "9"
    & skf18("9","10","3","1","4","6","1") = "9"
    & skf18("9","10","3","1","4","7","1") = "9"
    & skf18("9","10","3","1","4","8","1") = "9"
    & skf18("9","10","3","1","4","9","1") = "9"
    & skf18("9","10","3","1","4","10","1") = "9"
    & skf18("9","10","3","1","5","1","1") = "9"
    & skf18("9","10","3","1","5","2","1") = "9"
    & skf18("9","10","3","1","5","3","1") = "9"
    & skf18("9","10","3","1","5","4","1") = "9"
    & skf18("9","10","3","1","5","5","1") = "9"
    & skf18("9","10","3","1","5","6","1") = "9"
    & skf18("9","10","3","1","5","7","1") = "9"
    & skf18("9","10","3","1","5","8","1") = "9"
    & skf18("9","10","3","1","5","9","1") = "9"
    & skf18("9","10","3","1","5","10","1") = "9"
    & skf18("9","10","3","1","6","1","1") = "9"
    & skf18("9","10","3","1","6","2","1") = "9"
    & skf18("9","10","3","1","6","3","1") = "9"
    & skf18("9","10","3","1","6","4","1") = "9"
    & skf18("9","10","3","1","6","5","1") = "9"
    & skf18("9","10","3","1","6","6","1") = "9"
    & skf18("9","10","3","1","6","7","1") = "9"
    & skf18("9","10","3","1","6","8","1") = "9"
    & skf18("9","10","3","1","6","9","1") = "9"
    & skf18("9","10","3","1","6","10","1") = "9"
    & skf18("9","10","3","1","7","1","1") = "9"
    & skf18("9","10","3","1","7","2","1") = "9"
    & skf18("9","10","3","1","7","3","1") = "9"
    & skf18("9","10","3","1","7","4","1") = "9"
    & skf18("9","10","3","1","7","5","1") = "9"
    & skf18("9","10","3","1","7","6","1") = "9"
    & skf18("9","10","3","1","7","7","1") = "9"
    & skf18("9","10","3","1","7","8","1") = "9"
    & skf18("9","10","3","1","7","9","1") = "9"
    & skf18("9","10","3","1","7","10","1") = "9"
    & skf18("9","10","3","1","8","1","1") = "9"
    & skf18("9","10","3","1","8","2","1") = "9"
    & skf18("9","10","3","1","8","3","1") = "9"
    & skf18("9","10","3","1","8","4","1") = "9"
    & skf18("9","10","3","1","8","5","1") = "9"
    & skf18("9","10","3","1","8","6","1") = "9"
    & skf18("9","10","3","1","8","7","1") = "9"
    & skf18("9","10","3","1","8","8","1") = "9"
    & skf18("9","10","3","1","8","9","1") = "9"
    & skf18("9","10","3","1","8","10","1") = "9"
    & skf18("9","10","3","1","9","1","1") = "9"
    & skf18("9","10","3","1","9","2","1") = "9"
    & skf18("9","10","3","1","9","3","1") = "9"
    & skf18("9","10","3","1","9","4","1") = "9"
    & skf18("9","10","3","1","9","5","1") = "9"
    & skf18("9","10","3","1","9","6","1") = "9"
    & skf18("9","10","3","1","9","7","1") = "9"
    & skf18("9","10","3","1","9","8","1") = "9"
    & skf18("9","10","3","1","9","9","1") = "9"
    & skf18("9","10","3","1","9","10","1") = "9"
    & skf18("9","10","3","1","10","1","1") = "9"
    & skf18("9","10","3","1","10","2","1") = "9"
    & skf18("9","10","3","1","10","3","1") = "9"
    & skf18("9","10","3","1","10","4","1") = "9"
    & skf18("9","10","3","1","10","5","1") = "9"
    & skf18("9","10","3","1","10","6","1") = "9"
    & skf18("9","10","3","1","10","7","1") = "9"
    & skf18("9","10","3","1","10","8","1") = "9"
    & skf18("9","10","3","1","10","9","1") = "9"
    & skf18("9","10","3","1","10","10","1") = "9"
    & skf18("9","10","3","2","1","1","1") = "9"
    & skf18("9","10","3","2","1","2","1") = "9"
    & skf18("9","10","3","2","1","3","1") = "9"
    & skf18("9","10","3","2","1","4","1") = "9"
    & skf18("9","10","3","2","1","5","1") = "9"
    & skf18("9","10","3","2","1","6","1") = "9"
    & skf18("9","10","3","2","1","7","1") = "9"
    & skf18("9","10","3","2","1","8","1") = "9"
    & skf18("9","10","3","2","1","9","1") = "9"
    & skf18("9","10","3","2","1","10","1") = "9"
    & skf18("9","10","3","2","2","1","1") = "9"
    & skf18("9","10","3","2","2","2","1") = "9"
    & skf18("9","10","3","2","2","3","1") = "9"
    & skf18("9","10","3","2","2","4","1") = "9"
    & skf18("9","10","3","2","2","5","1") = "9"
    & skf18("9","10","3","2","2","6","1") = "9"
    & skf18("9","10","3","2","2","7","1") = "9"
    & skf18("9","10","3","2","2","8","1") = "9"
    & skf18("9","10","3","2","2","9","1") = "9"
    & skf18("9","10","3","2","2","10","1") = "9"
    & skf18("9","10","3","2","3","1","1") = "9"
    & skf18("9","10","3","2","3","2","1") = "9"
    & skf18("9","10","3","2","3","3","1") = "9"
    & skf18("9","10","3","2","3","4","1") = "9"
    & skf18("9","10","3","2","3","5","1") = "9"
    & skf18("9","10","3","2","3","6","1") = "9"
    & skf18("9","10","3","2","3","7","1") = "9"
    & skf18("9","10","3","2","3","8","1") = "9"
    & skf18("9","10","3","2","3","9","1") = "9"
    & skf18("9","10","3","2","3","10","1") = "9"
    & skf18("9","10","3","2","4","1","1") = "9"
    & skf18("9","10","3","2","4","2","1") = "9"
    & skf18("9","10","3","2","4","3","1") = "9"
    & skf18("9","10","3","2","4","4","1") = "9"
    & skf18("9","10","3","2","4","5","1") = "9"
    & skf18("9","10","3","2","4","6","1") = "9"
    & skf18("9","10","3","2","4","7","1") = "9"
    & skf18("9","10","3","2","4","8","1") = "9"
    & skf18("9","10","3","2","4","9","1") = "9"
    & skf18("9","10","3","2","4","10","1") = "9"
    & skf18("9","10","3","2","5","1","1") = "9"
    & skf18("9","10","3","2","5","2","1") = "9"
    & skf18("9","10","3","2","5","3","1") = "9"
    & skf18("9","10","3","2","5","4","1") = "9"
    & skf18("9","10","3","2","5","5","1") = "9"
    & skf18("9","10","3","2","5","6","1") = "9"
    & skf18("9","10","3","2","5","7","1") = "9"
    & skf18("9","10","3","2","5","8","1") = "9"
    & skf18("9","10","3","2","5","9","1") = "9"
    & skf18("9","10","3","2","5","10","1") = "9"
    & skf18("9","10","3","2","6","1","1") = "9"
    & skf18("9","10","3","2","6","2","1") = "9"
    & skf18("9","10","3","2","6","3","1") = "9"
    & skf18("9","10","3","2","6","4","1") = "9"
    & skf18("9","10","3","2","6","5","1") = "9"
    & skf18("9","10","3","2","6","6","1") = "9"
    & skf18("9","10","3","2","6","7","1") = "9"
    & skf18("9","10","3","2","6","8","1") = "9"
    & skf18("9","10","3","2","6","9","1") = "9"
    & skf18("9","10","3","2","6","10","1") = "9"
    & skf18("9","10","3","2","7","1","1") = "9"
    & skf18("9","10","3","2","7","2","1") = "9"
    & skf18("9","10","3","2","7","3","1") = "9"
    & skf18("9","10","3","2","7","4","1") = "9"
    & skf18("9","10","3","2","7","5","1") = "9"
    & skf18("9","10","3","2","7","6","1") = "9"
    & skf18("9","10","3","2","7","7","1") = "9"
    & skf18("9","10","3","2","7","8","1") = "9"
    & skf18("9","10","3","2","7","9","1") = "9"
    & skf18("9","10","3","2","7","10","1") = "9"
    & skf18("9","10","3","2","8","1","1") = "9"
    & skf18("9","10","3","2","8","2","1") = "9"
    & skf18("9","10","3","2","8","3","1") = "9"
    & skf18("9","10","3","2","8","4","1") = "9"
    & skf18("9","10","3","2","8","5","1") = "9"
    & skf18("9","10","3","2","8","6","1") = "9"
    & skf18("9","10","3","2","8","7","1") = "9"
    & skf18("9","10","3","2","8","8","1") = "9"
    & skf18("9","10","3","2","8","9","1") = "9"
    & skf18("9","10","3","2","8","10","1") = "9"
    & skf18("9","10","3","2","9","1","1") = "9"
    & skf18("9","10","3","2","9","2","1") = "9"
    & skf18("9","10","3","2","9","3","1") = "9"
    & skf18("9","10","3","2","9","4","1") = "9"
    & skf18("9","10","3","2","9","5","1") = "9"
    & skf18("9","10","3","2","9","6","1") = "9"
    & skf18("9","10","3","2","9","7","1") = "9"
    & skf18("9","10","3","2","9","8","1") = "9"
    & skf18("9","10","3","2","9","9","1") = "9"
    & skf18("9","10","3","2","9","10","1") = "9"
    & skf18("9","10","3","2","10","1","1") = "9"
    & skf18("9","10","3","2","10","2","1") = "9"
    & skf18("9","10","3","2","10","3","1") = "9"
    & skf18("9","10","3","2","10","4","1") = "9"
    & skf18("9","10","3","2","10","5","1") = "9"
    & skf18("9","10","3","2","10","6","1") = "9"
    & skf18("9","10","3","2","10","7","1") = "9"
    & skf18("9","10","3","2","10","8","1") = "9"
    & skf18("9","10","3","2","10","9","1") = "9"
    & skf18("9","10","3","2","10","10","1") = "9"
    & skf18("9","10","3","3","1","1","1") = "9"
    & skf18("9","10","3","3","1","2","1") = "9"
    & skf18("9","10","3","3","1","3","1") = "9"
    & skf18("9","10","3","3","1","4","1") = "9"
    & skf18("9","10","3","3","1","5","1") = "9"
    & skf18("9","10","3","3","1","6","1") = "9"
    & skf18("9","10","3","3","1","7","1") = "9"
    & skf18("9","10","3","3","1","8","1") = "9"
    & skf18("9","10","3","3","1","9","1") = "9"
    & skf18("9","10","3","3","1","10","1") = "9"
    & skf18("9","10","3","3","2","1","1") = "9"
    & skf18("9","10","3","3","2","2","1") = "9"
    & skf18("9","10","3","3","2","3","1") = "9"
    & skf18("9","10","3","3","2","4","1") = "9"
    & skf18("9","10","3","3","2","5","1") = "9"
    & skf18("9","10","3","3","2","6","1") = "9"
    & skf18("9","10","3","3","2","7","1") = "9"
    & skf18("9","10","3","3","2","8","1") = "9"
    & skf18("9","10","3","3","2","9","1") = "9"
    & skf18("9","10","3","3","2","10","1") = "9"
    & skf18("9","10","3","3","3","1","1") = "9"
    & skf18("9","10","3","3","3","2","1") = "9"
    & skf18("9","10","3","3","3","3","1") = "9"
    & skf18("9","10","3","3","3","4","1") = "9"
    & skf18("9","10","3","3","3","5","1") = "9"
    & skf18("9","10","3","3","3","6","1") = "9"
    & skf18("9","10","3","3","3","7","1") = "9"
    & skf18("9","10","3","3","3","8","1") = "9"
    & skf18("9","10","3","3","3","9","1") = "9"
    & skf18("9","10","3","3","3","10","1") = "9"
    & skf18("9","10","3","3","4","1","1") = "9"
    & skf18("9","10","3","3","4","2","1") = "9"
    & skf18("9","10","3","3","4","3","1") = "9"
    & skf18("9","10","3","3","4","4","1") = "9"
    & skf18("9","10","3","3","4","5","1") = "9"
    & skf18("9","10","3","3","4","6","1") = "9"
    & skf18("9","10","3","3","4","7","1") = "9"
    & skf18("9","10","3","3","4","8","1") = "9"
    & skf18("9","10","3","3","4","9","1") = "9"
    & skf18("9","10","3","3","4","10","1") = "9"
    & skf18("9","10","3","3","5","1","1") = "9"
    & skf18("9","10","3","3","5","2","1") = "9"
    & skf18("9","10","3","3","5","3","1") = "9"
    & skf18("9","10","3","3","5","4","1") = "9"
    & skf18("9","10","3","3","5","5","1") = "9"
    & skf18("9","10","3","3","5","6","1") = "9"
    & skf18("9","10","3","3","5","7","1") = "9"
    & skf18("9","10","3","3","5","8","1") = "9"
    & skf18("9","10","3","3","5","9","1") = "9"
    & skf18("9","10","3","3","5","10","1") = "9"
    & skf18("9","10","3","3","6","1","1") = "9"
    & skf18("9","10","3","3","6","2","1") = "9"
    & skf18("9","10","3","3","6","3","1") = "9"
    & skf18("9","10","3","3","6","4","1") = "9"
    & skf18("9","10","3","3","6","5","1") = "9"
    & skf18("9","10","3","3","6","6","1") = "9"
    & skf18("9","10","3","3","6","7","1") = "9"
    & skf18("9","10","3","3","6","8","1") = "9"
    & skf18("9","10","3","3","6","9","1") = "9"
    & skf18("9","10","3","3","6","10","1") = "9"
    & skf18("9","10","3","3","7","1","1") = "9"
    & skf18("9","10","3","3","7","2","1") = "9"
    & skf18("9","10","3","3","7","3","1") = "9"
    & skf18("9","10","3","3","7","4","1") = "9"
    & skf18("9","10","3","3","7","5","1") = "9"
    & skf18("9","10","3","3","7","6","1") = "9"
    & skf18("9","10","3","3","7","7","1") = "9"
    & skf18("9","10","3","3","7","8","1") = "9"
    & skf18("9","10","3","3","7","9","1") = "9"
    & skf18("9","10","3","3","7","10","1") = "9"
    & skf18("9","10","3","3","8","1","1") = "9"
    & skf18("9","10","3","3","8","2","1") = "9"
    & skf18("9","10","3","3","8","3","1") = "9"
    & skf18("9","10","3","3","8","4","1") = "9"
    & skf18("9","10","3","3","8","5","1") = "9"
    & skf18("9","10","3","3","8","6","1") = "9"
    & skf18("9","10","3","3","8","7","1") = "9"
    & skf18("9","10","3","3","8","8","1") = "9"
    & skf18("9","10","3","3","8","9","1") = "9"
    & skf18("9","10","3","3","8","10","1") = "9"
    & skf18("9","10","3","3","9","1","1") = "9"
    & skf18("9","10","3","3","9","2","1") = "9"
    & skf18("9","10","3","3","9","3","1") = "9"
    & skf18("9","10","3","3","9","4","1") = "9"
    & skf18("9","10","3","3","9","5","1") = "9"
    & skf18("9","10","3","3","9","6","1") = "9"
    & skf18("9","10","3","3","9","7","1") = "9"
    & skf18("9","10","3","3","9","8","1") = "9"
    & skf18("9","10","3","3","9","9","1") = "9"
    & skf18("9","10","3","3","9","10","1") = "9"
    & skf18("9","10","3","3","10","1","1") = "9"
    & skf18("9","10","3","3","10","2","1") = "9"
    & skf18("9","10","3","3","10","3","1") = "9"
    & skf18("9","10","3","3","10","4","1") = "9"
    & skf18("9","10","3","3","10","5","1") = "9"
    & skf18("9","10","3","3","10","6","1") = "9"
    & skf18("9","10","3","3","10","7","1") = "9"
    & skf18("9","10","3","3","10","8","1") = "9"
    & skf18("9","10","3","3","10","9","1") = "9"
    & skf18("9","10","3","3","10","10","1") = "9"
    & skf18("9","10","3","4","1","1","1") = "9"
    & skf18("9","10","3","4","1","2","1") = "9"
    & skf18("9","10","3","4","1","3","1") = "9"
    & skf18("9","10","3","4","1","4","1") = "9"
    & skf18("9","10","3","4","1","5","1") = "9"
    & skf18("9","10","3","4","1","6","1") = "9"
    & skf18("9","10","3","4","1","7","1") = "9"
    & skf18("9","10","3","4","1","8","1") = "9"
    & skf18("9","10","3","4","1","9","1") = "9"
    & skf18("9","10","3","4","1","10","1") = "9"
    & skf18("9","10","3","4","2","1","1") = "9"
    & skf18("9","10","3","4","2","2","1") = "9"
    & skf18("9","10","3","4","2","3","1") = "9"
    & skf18("9","10","3","4","2","4","1") = "9"
    & skf18("9","10","3","4","2","5","1") = "9"
    & skf18("9","10","3","4","2","6","1") = "9"
    & skf18("9","10","3","4","2","7","1") = "9"
    & skf18("9","10","3","4","2","8","1") = "9"
    & skf18("9","10","3","4","2","9","1") = "9"
    & skf18("9","10","3","4","2","10","1") = "9"
    & skf18("9","10","3","4","3","1","1") = "9"
    & skf18("9","10","3","4","3","2","1") = "9"
    & skf18("9","10","3","4","3","3","1") = "9"
    & skf18("9","10","3","4","3","4","1") = "9"
    & skf18("9","10","3","4","3","5","1") = "9"
    & skf18("9","10","3","4","3","6","1") = "9"
    & skf18("9","10","3","4","3","7","1") = "9"
    & skf18("9","10","3","4","3","8","1") = "9"
    & skf18("9","10","3","4","3","9","1") = "9"
    & skf18("9","10","3","4","3","10","1") = "9"
    & skf18("9","10","3","4","4","1","1") = "9"
    & skf18("9","10","3","4","4","2","1") = "9"
    & skf18("9","10","3","4","4","3","1") = "9"
    & skf18("9","10","3","4","4","4","1") = "9"
    & skf18("9","10","3","4","4","5","1") = "9"
    & skf18("9","10","3","4","4","6","1") = "9"
    & skf18("9","10","3","4","4","7","1") = "9"
    & skf18("9","10","3","4","4","8","1") = "9"
    & skf18("9","10","3","4","4","9","1") = "9"
    & skf18("9","10","3","4","4","10","1") = "9"
    & skf18("9","10","3","4","5","1","1") = "9"
    & skf18("9","10","3","4","5","2","1") = "9"
    & skf18("9","10","3","4","5","3","1") = "9"
    & skf18("9","10","3","4","5","4","1") = "9"
    & skf18("9","10","3","4","5","5","1") = "9"
    & skf18("9","10","3","4","5","6","1") = "9"
    & skf18("9","10","3","4","5","7","1") = "9"
    & skf18("9","10","3","4","5","8","1") = "9"
    & skf18("9","10","3","4","5","9","1") = "9"
    & skf18("9","10","3","4","5","10","1") = "9"
    & skf18("9","10","3","4","6","1","1") = "9"
    & skf18("9","10","3","4","6","2","1") = "9"
    & skf18("9","10","3","4","6","3","1") = "9"
    & skf18("9","10","3","4","6","4","1") = "9"
    & skf18("9","10","3","4","6","5","1") = "9"
    & skf18("9","10","3","4","6","6","1") = "9"
    & skf18("9","10","3","4","6","7","1") = "9"
    & skf18("9","10","3","4","6","8","1") = "9"
    & skf18("9","10","3","4","6","9","1") = "9"
    & skf18("9","10","3","4","6","10","1") = "9"
    & skf18("9","10","3","4","7","1","1") = "9"
    & skf18("9","10","3","4","7","2","1") = "9"
    & skf18("9","10","3","4","7","3","1") = "9"
    & skf18("9","10","3","4","7","4","1") = "9"
    & skf18("9","10","3","4","7","5","1") = "9"
    & skf18("9","10","3","4","7","6","1") = "9"
    & skf18("9","10","3","4","7","7","1") = "9"
    & skf18("9","10","3","4","7","8","1") = "9"
    & skf18("9","10","3","4","7","9","1") = "9"
    & skf18("9","10","3","4","7","10","1") = "9"
    & skf18("9","10","3","4","8","1","1") = "9"
    & skf18("9","10","3","4","8","2","1") = "9"
    & skf18("9","10","3","4","8","3","1") = "9"
    & skf18("9","10","3","4","8","4","1") = "9"
    & skf18("9","10","3","4","8","5","1") = "9"
    & skf18("9","10","3","4","8","6","1") = "9"
    & skf18("9","10","3","4","8","7","1") = "9"
    & skf18("9","10","3","4","8","8","1") = "9"
    & skf18("9","10","3","4","8","9","1") = "9"
    & skf18("9","10","3","4","8","10","1") = "9"
    & skf18("9","10","3","4","9","1","1") = "9"
    & skf18("9","10","3","4","9","2","1") = "9"
    & skf18("9","10","3","4","9","3","1") = "9"
    & skf18("9","10","3","4","9","4","1") = "9"
    & skf18("9","10","3","4","9","5","1") = "9"
    & skf18("9","10","3","4","9","6","1") = "9"
    & skf18("9","10","3","4","9","7","1") = "9"
    & skf18("9","10","3","4","9","8","1") = "9"
    & skf18("9","10","3","4","9","9","1") = "9"
    & skf18("9","10","3","4","9","10","1") = "9"
    & skf18("9","10","3","4","10","1","1") = "9"
    & skf18("9","10","3","4","10","2","1") = "9"
    & skf18("9","10","3","4","10","3","1") = "9"
    & skf18("9","10","3","4","10","4","1") = "9"
    & skf18("9","10","3","4","10","5","1") = "9"
    & skf18("9","10","3","4","10","6","1") = "9"
    & skf18("9","10","3","4","10","7","1") = "9"
    & skf18("9","10","3","4","10","8","1") = "9"
    & skf18("9","10","3","4","10","9","1") = "9"
    & skf18("9","10","3","4","10","10","1") = "9"
    & skf18("9","10","3","5","1","1","1") = "9"
    & skf18("9","10","3","5","1","2","1") = "9"
    & skf18("9","10","3","5","1","3","1") = "9"
    & skf18("9","10","3","5","1","4","1") = "9"
    & skf18("9","10","3","5","1","5","1") = "9"
    & skf18("9","10","3","5","1","6","1") = "9"
    & skf18("9","10","3","5","1","7","1") = "9"
    & skf18("9","10","3","5","1","8","1") = "9"
    & skf18("9","10","3","5","1","9","1") = "9"
    & skf18("9","10","3","5","1","10","1") = "9"
    & skf18("9","10","3","5","2","1","1") = "9"
    & skf18("9","10","3","5","2","2","1") = "9"
    & skf18("9","10","3","5","2","3","1") = "9"
    & skf18("9","10","3","5","2","4","1") = "9"
    & skf18("9","10","3","5","2","5","1") = "9"
    & skf18("9","10","3","5","2","6","1") = "9"
    & skf18("9","10","3","5","2","7","1") = "9"
    & skf18("9","10","3","5","2","8","1") = "9"
    & skf18("9","10","3","5","2","9","1") = "9"
    & skf18("9","10","3","5","2","10","1") = "9"
    & skf18("9","10","3","5","3","1","1") = "9"
    & skf18("9","10","3","5","3","2","1") = "9"
    & skf18("9","10","3","5","3","3","1") = "9"
    & skf18("9","10","3","5","3","4","1") = "9"
    & skf18("9","10","3","5","3","5","1") = "9"
    & skf18("9","10","3","5","3","6","1") = "9"
    & skf18("9","10","3","5","3","7","1") = "9"
    & skf18("9","10","3","5","3","8","1") = "9"
    & skf18("9","10","3","5","3","9","1") = "9"
    & skf18("9","10","3","5","3","10","1") = "9"
    & skf18("9","10","3","5","4","1","1") = "9"
    & skf18("9","10","3","5","4","2","1") = "9"
    & skf18("9","10","3","5","4","3","1") = "9"
    & skf18("9","10","3","5","4","4","1") = "9"
    & skf18("9","10","3","5","4","5","1") = "9"
    & skf18("9","10","3","5","4","6","1") = "9"
    & skf18("9","10","3","5","4","7","1") = "9"
    & skf18("9","10","3","5","4","8","1") = "9"
    & skf18("9","10","3","5","4","9","1") = "9"
    & skf18("9","10","3","5","4","10","1") = "9"
    & skf18("9","10","3","5","5","1","1") = "9"
    & skf18("9","10","3","5","5","2","1") = "9"
    & skf18("9","10","3","5","5","3","1") = "9"
    & skf18("9","10","3","5","5","4","1") = "9"
    & skf18("9","10","3","5","5","5","1") = "9"
    & skf18("9","10","3","5","5","6","1") = "9"
    & skf18("9","10","3","5","5","7","1") = "9"
    & skf18("9","10","3","5","5","8","1") = "9"
    & skf18("9","10","3","5","5","9","1") = "9"
    & skf18("9","10","3","5","5","10","1") = "9"
    & skf18("9","10","3","5","6","1","1") = "9"
    & skf18("9","10","3","5","6","2","1") = "9"
    & skf18("9","10","3","5","6","3","1") = "9"
    & skf18("9","10","3","5","6","4","1") = "9"
    & skf18("9","10","3","5","6","5","1") = "9"
    & skf18("9","10","3","5","6","6","1") = "9"
    & skf18("9","10","3","5","6","7","1") = "9"
    & skf18("9","10","3","5","6","8","1") = "9"
    & skf18("9","10","3","5","6","9","1") = "9"
    & skf18("9","10","3","5","6","10","1") = "9"
    & skf18("9","10","3","5","7","1","1") = "9"
    & skf18("9","10","3","5","7","2","1") = "9"
    & skf18("9","10","3","5","7","3","1") = "9"
    & skf18("9","10","3","5","7","4","1") = "9"
    & skf18("9","10","3","5","7","5","1") = "9"
    & skf18("9","10","3","5","7","6","1") = "9"
    & skf18("9","10","3","5","7","7","1") = "9"
    & skf18("9","10","3","5","7","8","1") = "9"
    & skf18("9","10","3","5","7","9","1") = "9"
    & skf18("9","10","3","5","7","10","1") = "9"
    & skf18("9","10","3","5","8","1","1") = "9"
    & skf18("9","10","3","5","8","2","1") = "9"
    & skf18("9","10","3","5","8","3","1") = "9"
    & skf18("9","10","3","5","8","4","1") = "9"
    & skf18("9","10","3","5","8","5","1") = "9"
    & skf18("9","10","3","5","8","6","1") = "9"
    & skf18("9","10","3","5","8","7","1") = "9"
    & skf18("9","10","3","5","8","8","1") = "9"
    & skf18("9","10","3","5","8","9","1") = "9"
    & skf18("9","10","3","5","8","10","1") = "9"
    & skf18("9","10","3","5","9","1","1") = "9"
    & skf18("9","10","3","5","9","2","1") = "9"
    & skf18("9","10","3","5","9","3","1") = "9"
    & skf18("9","10","3","5","9","4","1") = "9"
    & skf18("9","10","3","5","9","5","1") = "9"
    & skf18("9","10","3","5","9","6","1") = "9"
    & skf18("9","10","3","5","9","7","1") = "9"
    & skf18("9","10","3","5","9","8","1") = "9"
    & skf18("9","10","3","5","9","9","1") = "9"
    & skf18("9","10","3","5","9","10","1") = "9"
    & skf18("9","10","3","5","10","1","1") = "9"
    & skf18("9","10","3","5","10","2","1") = "9"
    & skf18("9","10","3","5","10","3","1") = "9"
    & skf18("9","10","3","5","10","4","1") = "9"
    & skf18("9","10","3","5","10","5","1") = "9"
    & skf18("9","10","3","5","10","6","1") = "9"
    & skf18("9","10","3","5","10","7","1") = "9"
    & skf18("9","10","3","5","10","8","1") = "9"
    & skf18("9","10","3","5","10","9","1") = "9"
    & skf18("9","10","3","5","10","10","1") = "9"
    & skf18("9","10","3","6","1","1","1") = "9"
    & skf18("9","10","3","6","1","2","1") = "9"
    & skf18("9","10","3","6","1","3","1") = "9"
    & skf18("9","10","3","6","1","4","1") = "9"
    & skf18("9","10","3","6","1","5","1") = "9"
    & skf18("9","10","3","6","1","6","1") = "9"
    & skf18("9","10","3","6","1","7","1") = "9"
    & skf18("9","10","3","6","1","8","1") = "9"
    & skf18("9","10","3","6","1","9","1") = "9"
    & skf18("9","10","3","6","1","10","1") = "9"
    & skf18("9","10","3","6","2","1","1") = "9"
    & skf18("9","10","3","6","2","2","1") = "9"
    & skf18("9","10","3","6","2","3","1") = "9"
    & skf18("9","10","3","6","2","4","1") = "9"
    & skf18("9","10","3","6","2","5","1") = "9"
    & skf18("9","10","3","6","2","6","1") = "9"
    & skf18("9","10","3","6","2","7","1") = "9"
    & skf18("9","10","3","6","2","8","1") = "9"
    & skf18("9","10","3","6","2","9","1") = "9"
    & skf18("9","10","3","6","2","10","1") = "9"
    & skf18("9","10","3","6","3","1","1") = "9"
    & skf18("9","10","3","6","3","2","1") = "9"
    & skf18("9","10","3","6","3","3","1") = "9"
    & skf18("9","10","3","6","3","4","1") = "9"
    & skf18("9","10","3","6","3","5","1") = "9"
    & skf18("9","10","3","6","3","6","1") = "9"
    & skf18("9","10","3","6","3","7","1") = "9"
    & skf18("9","10","3","6","3","8","1") = "9"
    & skf18("9","10","3","6","3","9","1") = "9"
    & skf18("9","10","3","6","3","10","1") = "9"
    & skf18("9","10","3","6","4","1","1") = "9"
    & skf18("9","10","3","6","4","2","1") = "9"
    & skf18("9","10","3","6","4","3","1") = "9"
    & skf18("9","10","3","6","4","4","1") = "9"
    & skf18("9","10","3","6","4","5","1") = "9"
    & skf18("9","10","3","6","4","6","1") = "9"
    & skf18("9","10","3","6","4","7","1") = "9"
    & skf18("9","10","3","6","4","8","1") = "9"
    & skf18("9","10","3","6","4","9","1") = "9"
    & skf18("9","10","3","6","4","10","1") = "9"
    & skf18("9","10","3","6","5","1","1") = "9"
    & skf18("9","10","3","6","5","2","1") = "9"
    & skf18("9","10","3","6","5","3","1") = "9"
    & skf18("9","10","3","6","5","4","1") = "9"
    & skf18("9","10","3","6","5","5","1") = "9"
    & skf18("9","10","3","6","5","6","1") = "9"
    & skf18("9","10","3","6","5","7","1") = "9"
    & skf18("9","10","3","6","5","8","1") = "9"
    & skf18("9","10","3","6","5","9","1") = "9"
    & skf18("9","10","3","6","5","10","1") = "9"
    & skf18("9","10","3","6","6","1","1") = "9"
    & skf18("9","10","3","6","6","2","1") = "9"
    & skf18("9","10","3","6","6","3","1") = "9"
    & skf18("9","10","3","6","6","4","1") = "9"
    & skf18("9","10","3","6","6","5","1") = "9"
    & skf18("9","10","3","6","6","6","1") = "9"
    & skf18("9","10","3","6","6","7","1") = "9"
    & skf18("9","10","3","6","6","8","1") = "9"
    & skf18("9","10","3","6","6","9","1") = "9"
    & skf18("9","10","3","6","6","10","1") = "9"
    & skf18("9","10","3","6","7","1","1") = "9"
    & skf18("9","10","3","6","7","2","1") = "9"
    & skf18("9","10","3","6","7","3","1") = "9"
    & skf18("9","10","3","6","7","4","1") = "9"
    & skf18("9","10","3","6","7","5","1") = "9"
    & skf18("9","10","3","6","7","6","1") = "9"
    & skf18("9","10","3","6","7","7","1") = "9"
    & skf18("9","10","3","6","7","8","1") = "9"
    & skf18("9","10","3","6","7","9","1") = "9"
    & skf18("9","10","3","6","7","10","1") = "9"
    & skf18("9","10","3","6","8","1","1") = "9"
    & skf18("9","10","3","6","8","2","1") = "9"
    & skf18("9","10","3","6","8","3","1") = "9"
    & skf18("9","10","3","6","8","4","1") = "9"
    & skf18("9","10","3","6","8","5","1") = "9"
    & skf18("9","10","3","6","8","6","1") = "9"
    & skf18("9","10","3","6","8","7","1") = "9"
    & skf18("9","10","3","6","8","8","1") = "9"
    & skf18("9","10","3","6","8","9","1") = "9"
    & skf18("9","10","3","6","8","10","1") = "9"
    & skf18("9","10","3","6","9","1","1") = "9"
    & skf18("9","10","3","6","9","2","1") = "9"
    & skf18("9","10","3","6","9","3","1") = "9"
    & skf18("9","10","3","6","9","4","1") = "9"
    & skf18("9","10","3","6","9","5","1") = "9"
    & skf18("9","10","3","6","9","6","1") = "9"
    & skf18("9","10","3","6","9","7","1") = "9"
    & skf18("9","10","3","6","9","8","1") = "9"
    & skf18("9","10","3","6","9","9","1") = "9"
    & skf18("9","10","3","6","9","10","1") = "9"
    & skf18("9","10","3","6","10","1","1") = "9"
    & skf18("9","10","3","6","10","2","1") = "9"
    & skf18("9","10","3","6","10","3","1") = "9"
    & skf18("9","10","3","6","10","4","1") = "9"
    & skf18("9","10","3","6","10","5","1") = "9"
    & skf18("9","10","3","6","10","6","1") = "9"
    & skf18("9","10","3","6","10","7","1") = "9"
    & skf18("9","10","3","6","10","8","1") = "9"
    & skf18("9","10","3","6","10","9","1") = "9"
    & skf18("9","10","3","6","10","10","1") = "9"
    & skf18("9","10","3","7","1","1","1") = "9"
    & skf18("9","10","3","7","1","2","1") = "9"
    & skf18("9","10","3","7","1","3","1") = "9"
    & skf18("9","10","3","7","1","4","1") = "9"
    & skf18("9","10","3","7","1","5","1") = "9"
    & skf18("9","10","3","7","1","6","1") = "9"
    & skf18("9","10","3","7","1","7","1") = "9"
    & skf18("9","10","3","7","1","8","1") = "9"
    & skf18("9","10","3","7","1","9","1") = "9"
    & skf18("9","10","3","7","1","10","1") = "9"
    & skf18("9","10","3","7","2","1","1") = "9"
    & skf18("9","10","3","7","2","2","1") = "9"
    & skf18("9","10","3","7","2","3","1") = "9"
    & skf18("9","10","3","7","2","4","1") = "9"
    & skf18("9","10","3","7","2","5","1") = "9"
    & skf18("9","10","3","7","2","6","1") = "9"
    & skf18("9","10","3","7","2","7","1") = "9"
    & skf18("9","10","3","7","2","8","1") = "9"
    & skf18("9","10","3","7","2","9","1") = "9"
    & skf18("9","10","3","7","2","10","1") = "9"
    & skf18("9","10","3","7","3","1","1") = "9"
    & skf18("9","10","3","7","3","2","1") = "9"
    & skf18("9","10","3","7","3","3","1") = "9"
    & skf18("9","10","3","7","3","4","1") = "9"
    & skf18("9","10","3","7","3","5","1") = "9"
    & skf18("9","10","3","7","3","6","1") = "9"
    & skf18("9","10","3","7","3","7","1") = "9"
    & skf18("9","10","3","7","3","8","1") = "9"
    & skf18("9","10","3","7","3","9","1") = "9"
    & skf18("9","10","3","7","3","10","1") = "9"
    & skf18("9","10","3","7","4","1","1") = "9"
    & skf18("9","10","3","7","4","2","1") = "9"
    & skf18("9","10","3","7","4","3","1") = "9"
    & skf18("9","10","3","7","4","4","1") = "9"
    & skf18("9","10","3","7","4","5","1") = "9"
    & skf18("9","10","3","7","4","6","1") = "9"
    & skf18("9","10","3","7","4","7","1") = "9"
    & skf18("9","10","3","7","4","8","1") = "9"
    & skf18("9","10","3","7","4","9","1") = "9"
    & skf18("9","10","3","7","4","10","1") = "9"
    & skf18("9","10","3","7","5","1","1") = "9"
    & skf18("9","10","3","7","5","2","1") = "9"
    & skf18("9","10","3","7","5","3","1") = "9"
    & skf18("9","10","3","7","5","4","1") = "9"
    & skf18("9","10","3","7","5","5","1") = "9"
    & skf18("9","10","3","7","5","6","1") = "9"
    & skf18("9","10","3","7","5","7","1") = "9"
    & skf18("9","10","3","7","5","8","1") = "9"
    & skf18("9","10","3","7","5","9","1") = "9"
    & skf18("9","10","3","7","5","10","1") = "9"
    & skf18("9","10","3","7","6","1","1") = "9"
    & skf18("9","10","3","7","6","2","1") = "9"
    & skf18("9","10","3","7","6","3","1") = "9"
    & skf18("9","10","3","7","6","4","1") = "9"
    & skf18("9","10","3","7","6","5","1") = "9"
    & skf18("9","10","3","7","6","6","1") = "9"
    & skf18("9","10","3","7","6","7","1") = "9"
    & skf18("9","10","3","7","6","8","1") = "9"
    & skf18("9","10","3","7","6","9","1") = "9"
    & skf18("9","10","3","7","6","10","1") = "9"
    & skf18("9","10","3","7","7","1","1") = "9"
    & skf18("9","10","3","7","7","2","1") = "9"
    & skf18("9","10","3","7","7","3","1") = "9"
    & skf18("9","10","3","7","7","4","1") = "9"
    & skf18("9","10","3","7","7","5","1") = "9"
    & skf18("9","10","3","7","7","6","1") = "9"
    & skf18("9","10","3","7","7","7","1") = "9"
    & skf18("9","10","3","7","7","8","1") = "9"
    & skf18("9","10","3","7","7","9","1") = "9"
    & skf18("9","10","3","7","7","10","1") = "9"
    & skf18("9","10","3","7","8","1","1") = "9"
    & skf18("9","10","3","7","8","2","1") = "9"
    & skf18("9","10","3","7","8","3","1") = "9"
    & skf18("9","10","3","7","8","4","1") = "9"
    & skf18("9","10","3","7","8","5","1") = "9"
    & skf18("9","10","3","7","8","6","1") = "9"
    & skf18("9","10","3","7","8","7","1") = "9"
    & skf18("9","10","3","7","8","8","1") = "9"
    & skf18("9","10","3","7","8","9","1") = "9"
    & skf18("9","10","3","7","8","10","1") = "9"
    & skf18("9","10","3","7","9","1","1") = "9"
    & skf18("9","10","3","7","9","2","1") = "9"
    & skf18("9","10","3","7","9","3","1") = "9"
    & skf18("9","10","3","7","9","4","1") = "9"
    & skf18("9","10","3","7","9","5","1") = "9"
    & skf18("9","10","3","7","9","6","1") = "9"
    & skf18("9","10","3","7","9","7","1") = "9"
    & skf18("9","10","3","7","9","8","1") = "9"
    & skf18("9","10","3","7","9","9","1") = "9"
    & skf18("9","10","3","7","9","10","1") = "9"
    & skf18("9","10","3","7","10","1","1") = "9"
    & skf18("9","10","3","7","10","2","1") = "9"
    & skf18("9","10","3","7","10","3","1") = "9"
    & skf18("9","10","3","7","10","4","1") = "9"
    & skf18("9","10","3","7","10","5","1") = "9"
    & skf18("9","10","3","7","10","6","1") = "9"
    & skf18("9","10","3","7","10","7","1") = "9"
    & skf18("9","10","3","7","10","8","1") = "9"
    & skf18("9","10","3","7","10","9","1") = "9"
    & skf18("9","10","3","7","10","10","1") = "9"
    & skf18("9","10","3","8","1","1","1") = "9"
    & skf18("9","10","3","8","1","2","1") = "9"
    & skf18("9","10","3","8","1","3","1") = "9"
    & skf18("9","10","3","8","1","4","1") = "9"
    & skf18("9","10","3","8","1","5","1") = "9"
    & skf18("9","10","3","8","1","6","1") = "9"
    & skf18("9","10","3","8","1","7","1") = "9"
    & skf18("9","10","3","8","1","8","1") = "9"
    & skf18("9","10","3","8","1","9","1") = "9"
    & skf18("9","10","3","8","1","10","1") = "9"
    & skf18("9","10","3","8","2","1","1") = "9"
    & skf18("9","10","3","8","2","2","1") = "9"
    & skf18("9","10","3","8","2","3","1") = "9"
    & skf18("9","10","3","8","2","4","1") = "9"
    & skf18("9","10","3","8","2","5","1") = "9"
    & skf18("9","10","3","8","2","6","1") = "9"
    & skf18("9","10","3","8","2","7","1") = "9"
    & skf18("9","10","3","8","2","8","1") = "9"
    & skf18("9","10","3","8","2","9","1") = "9"
    & skf18("9","10","3","8","2","10","1") = "9"
    & skf18("9","10","3","8","3","1","1") = "9"
    & skf18("9","10","3","8","3","2","1") = "9"
    & skf18("9","10","3","8","3","3","1") = "9"
    & skf18("9","10","3","8","3","4","1") = "9"
    & skf18("9","10","3","8","3","5","1") = "9"
    & skf18("9","10","3","8","3","6","1") = "9"
    & skf18("9","10","3","8","3","7","1") = "9"
    & skf18("9","10","3","8","3","8","1") = "9"
    & skf18("9","10","3","8","3","9","1") = "9"
    & skf18("9","10","3","8","3","10","1") = "9"
    & skf18("9","10","3","8","4","1","1") = "9"
    & skf18("9","10","3","8","4","2","1") = "9"
    & skf18("9","10","3","8","4","3","1") = "9"
    & skf18("9","10","3","8","4","4","1") = "9"
    & skf18("9","10","3","8","4","5","1") = "9"
    & skf18("9","10","3","8","4","6","1") = "9"
    & skf18("9","10","3","8","4","7","1") = "9"
    & skf18("9","10","3","8","4","8","1") = "9"
    & skf18("9","10","3","8","4","9","1") = "9"
    & skf18("9","10","3","8","4","10","1") = "9"
    & skf18("9","10","3","8","5","1","1") = "9"
    & skf18("9","10","3","8","5","2","1") = "9"
    & skf18("9","10","3","8","5","3","1") = "9"
    & skf18("9","10","3","8","5","4","1") = "9"
    & skf18("9","10","3","8","5","5","1") = "9"
    & skf18("9","10","3","8","5","6","1") = "9"
    & skf18("9","10","3","8","5","7","1") = "9"
    & skf18("9","10","3","8","5","8","1") = "9"
    & skf18("9","10","3","8","5","9","1") = "9"
    & skf18("9","10","3","8","5","10","1") = "9"
    & skf18("9","10","3","8","6","1","1") = "9"
    & skf18("9","10","3","8","6","2","1") = "9"
    & skf18("9","10","3","8","6","3","1") = "9"
    & skf18("9","10","3","8","6","4","1") = "9"
    & skf18("9","10","3","8","6","5","1") = "9"
    & skf18("9","10","3","8","6","6","1") = "9"
    & skf18("9","10","3","8","6","7","1") = "9"
    & skf18("9","10","3","8","6","8","1") = "9"
    & skf18("9","10","3","8","6","9","1") = "9"
    & skf18("9","10","3","8","6","10","1") = "9"
    & skf18("9","10","3","8","7","1","1") = "9"
    & skf18("9","10","3","8","7","2","1") = "9"
    & skf18("9","10","3","8","7","3","1") = "9"
    & skf18("9","10","3","8","7","4","1") = "9"
    & skf18("9","10","3","8","7","5","1") = "9"
    & skf18("9","10","3","8","7","6","1") = "9"
    & skf18("9","10","3","8","7","7","1") = "9"
    & skf18("9","10","3","8","7","8","1") = "9"
    & skf18("9","10","3","8","7","9","1") = "9"
    & skf18("9","10","3","8","7","10","1") = "9"
    & skf18("9","10","3","8","8","1","1") = "9"
    & skf18("9","10","3","8","8","2","1") = "9"
    & skf18("9","10","3","8","8","3","1") = "9"
    & skf18("9","10","3","8","8","4","1") = "9"
    & skf18("9","10","3","8","8","5","1") = "9"
    & skf18("9","10","3","8","8","6","1") = "9"
    & skf18("9","10","3","8","8","7","1") = "9"
    & skf18("9","10","3","8","8","8","1") = "9"
    & skf18("9","10","3","8","8","9","1") = "9"
    & skf18("9","10","3","8","8","10","1") = "9"
    & skf18("9","10","3","8","9","1","1") = "9"
    & skf18("9","10","3","8","9","2","1") = "9"
    & skf18("9","10","3","8","9","3","1") = "9"
    & skf18("9","10","3","8","9","4","1") = "9"
    & skf18("9","10","3","8","9","5","1") = "9"
    & skf18("9","10","3","8","9","6","1") = "9"
    & skf18("9","10","3","8","9","7","1") = "9"
    & skf18("9","10","3","8","9","8","1") = "9"
    & skf18("9","10","3","8","9","9","1") = "9"
    & skf18("9","10","3","8","9","10","1") = "9"
    & skf18("9","10","3","8","10","1","1") = "9"
    & skf18("9","10","3","8","10","2","1") = "9"
    & skf18("9","10","3","8","10","3","1") = "9"
    & skf18("9","10","3","8","10","4","1") = "9"
    & skf18("9","10","3","8","10","5","1") = "9"
    & skf18("9","10","3","8","10","6","1") = "9"
    & skf18("9","10","3","8","10","7","1") = "9"
    & skf18("9","10","3","8","10","8","1") = "9"
    & skf18("9","10","3","8","10","9","1") = "9"
    & skf18("9","10","3","8","10","10","1") = "9"
    & skf18("9","10","3","9","1","1","1") = "9"
    & skf18("9","10","3","9","1","2","1") = "9"
    & skf18("9","10","3","9","1","3","1") = "9"
    & skf18("9","10","3","9","1","4","1") = "9"
    & skf18("9","10","3","9","1","5","1") = "9"
    & skf18("9","10","3","9","1","6","1") = "9"
    & skf18("9","10","3","9","1","7","1") = "9"
    & skf18("9","10","3","9","1","8","1") = "9"
    & skf18("9","10","3","9","1","9","1") = "9"
    & skf18("9","10","3","9","1","10","1") = "9"
    & skf18("9","10","3","9","2","1","1") = "9"
    & skf18("9","10","3","9","2","2","1") = "9"
    & skf18("9","10","3","9","2","3","1") = "9"
    & skf18("9","10","3","9","2","4","1") = "9"
    & skf18("9","10","3","9","2","5","1") = "9"
    & skf18("9","10","3","9","2","6","1") = "9"
    & skf18("9","10","3","9","2","7","1") = "9"
    & skf18("9","10","3","9","2","8","1") = "9"
    & skf18("9","10","3","9","2","9","1") = "9"
    & skf18("9","10","3","9","2","10","1") = "9"
    & skf18("9","10","3","9","3","1","1") = "9"
    & skf18("9","10","3","9","3","2","1") = "9"
    & skf18("9","10","3","9","3","3","1") = "9"
    & skf18("9","10","3","9","3","4","1") = "9"
    & skf18("9","10","3","9","3","5","1") = "9"
    & skf18("9","10","3","9","3","6","1") = "9"
    & skf18("9","10","3","9","3","7","1") = "9"
    & skf18("9","10","3","9","3","8","1") = "9"
    & skf18("9","10","3","9","3","9","1") = "9"
    & skf18("9","10","3","9","3","10","1") = "9"
    & skf18("9","10","3","9","4","1","1") = "9"
    & skf18("9","10","3","9","4","2","1") = "9"
    & skf18("9","10","3","9","4","3","1") = "9"
    & skf18("9","10","3","9","4","4","1") = "9"
    & skf18("9","10","3","9","4","5","1") = "9"
    & skf18("9","10","3","9","4","6","1") = "9"
    & skf18("9","10","3","9","4","7","1") = "9"
    & skf18("9","10","3","9","4","8","1") = "9"
    & skf18("9","10","3","9","4","9","1") = "9"
    & skf18("9","10","3","9","4","10","1") = "9"
    & skf18("9","10","3","9","5","1","1") = "9"
    & skf18("9","10","3","9","5","2","1") = "9"
    & skf18("9","10","3","9","5","3","1") = "9"
    & skf18("9","10","3","9","5","4","1") = "9"
    & skf18("9","10","3","9","5","5","1") = "9"
    & skf18("9","10","3","9","5","6","1") = "9"
    & skf18("9","10","3","9","5","7","1") = "9"
    & skf18("9","10","3","9","5","8","1") = "9"
    & skf18("9","10","3","9","5","9","1") = "9"
    & skf18("9","10","3","9","5","10","1") = "9"
    & skf18("9","10","3","9","6","1","1") = "9"
    & skf18("9","10","3","9","6","2","1") = "9"
    & skf18("9","10","3","9","6","3","1") = "9"
    & skf18("9","10","3","9","6","4","1") = "9"
    & skf18("9","10","3","9","6","5","1") = "9"
    & skf18("9","10","3","9","6","6","1") = "9"
    & skf18("9","10","3","9","6","7","1") = "9"
    & skf18("9","10","3","9","6","8","1") = "9"
    & skf18("9","10","3","9","6","9","1") = "9"
    & skf18("9","10","3","9","6","10","1") = "9"
    & skf18("9","10","3","9","7","1","1") = "9"
    & skf18("9","10","3","9","7","2","1") = "9"
    & skf18("9","10","3","9","7","3","1") = "9"
    & skf18("9","10","3","9","7","4","1") = "9"
    & skf18("9","10","3","9","7","5","1") = "9"
    & skf18("9","10","3","9","7","6","1") = "9"
    & skf18("9","10","3","9","7","7","1") = "9"
    & skf18("9","10","3","9","7","8","1") = "9"
    & skf18("9","10","3","9","7","9","1") = "9"
    & skf18("9","10","3","9","7","10","1") = "9"
    & skf18("9","10","3","9","8","1","1") = "9"
    & skf18("9","10","3","9","8","2","1") = "9"
    & skf18("9","10","3","9","8","3","1") = "9"
    & skf18("9","10","3","9","8","4","1") = "9"
    & skf18("9","10","3","9","8","5","1") = "9"
    & skf18("9","10","3","9","8","6","1") = "9"
    & skf18("9","10","3","9","8","7","1") = "9"
    & skf18("9","10","3","9","8","8","1") = "9"
    & skf18("9","10","3","9","8","9","1") = "9"
    & skf18("9","10","3","9","8","10","1") = "9"
    & skf18("9","10","3","9","9","1","1") = "9"
    & skf18("9","10","3","9","9","2","1") = "9"
    & skf18("9","10","3","9","9","3","1") = "9"
    & skf18("9","10","3","9","9","4","1") = "9"
    & skf18("9","10","3","9","9","5","1") = "9"
    & skf18("9","10","3","9","9","6","1") = "9"
    & skf18("9","10","3","9","9","7","1") = "9"
    & skf18("9","10","3","9","9","8","1") = "9"
    & skf18("9","10","3","9","9","9","1") = "9"
    & skf18("9","10","3","9","9","10","1") = "9"
    & skf18("9","10","3","9","10","1","1") = "9"
    & skf18("9","10","3","9","10","2","1") = "9"
    & skf18("9","10","3","9","10","3","1") = "9"
    & skf18("9","10","3","9","10","4","1") = "9"
    & skf18("9","10","3","9","10","5","1") = "9"
    & skf18("9","10","3","9","10","6","1") = "9"
    & skf18("9","10","3","9","10","7","1") = "9"
    & skf18("9","10","3","9","10","8","1") = "9"
    & skf18("9","10","3","9","10","9","1") = "9"
    & skf18("9","10","3","9","10","10","1") = "9"
    & skf18("9","10","3","10","1","1","1") = "9"
    & skf18("9","10","3","10","1","2","1") = "9"
    & skf18("9","10","3","10","1","3","1") = "9"
    & skf18("9","10","3","10","1","4","1") = "9"
    & skf18("9","10","3","10","1","5","1") = "9"
    & skf18("9","10","3","10","1","6","1") = "9"
    & skf18("9","10","3","10","1","7","1") = "9"
    & skf18("9","10","3","10","1","8","1") = "9"
    & skf18("9","10","3","10","1","9","1") = "9"
    & skf18("9","10","3","10","1","10","1") = "9"
    & skf18("9","10","3","10","2","1","1") = "9"
    & skf18("9","10","3","10","2","2","1") = "9"
    & skf18("9","10","3","10","2","3","1") = "9"
    & skf18("9","10","3","10","2","4","1") = "9"
    & skf18("9","10","3","10","2","5","1") = "9"
    & skf18("9","10","3","10","2","6","1") = "9"
    & skf18("9","10","3","10","2","7","1") = "9"
    & skf18("9","10","3","10","2","8","1") = "9"
    & skf18("9","10","3","10","2","9","1") = "9"
    & skf18("9","10","3","10","2","10","1") = "9"
    & skf18("9","10","3","10","3","1","1") = "9"
    & skf18("9","10","3","10","3","2","1") = "9"
    & skf18("9","10","3","10","3","3","1") = "9"
    & skf18("9","10","3","10","3","4","1") = "9"
    & skf18("9","10","3","10","3","5","1") = "9"
    & skf18("9","10","3","10","3","6","1") = "9"
    & skf18("9","10","3","10","3","7","1") = "9"
    & skf18("9","10","3","10","3","8","1") = "9"
    & skf18("9","10","3","10","3","9","1") = "9"
    & skf18("9","10","3","10","3","10","1") = "9"
    & skf18("9","10","3","10","4","1","1") = "9"
    & skf18("9","10","3","10","4","2","1") = "9"
    & skf18("9","10","3","10","4","3","1") = "9"
    & skf18("9","10","3","10","4","4","1") = "9"
    & skf18("9","10","3","10","4","5","1") = "9"
    & skf18("9","10","3","10","4","6","1") = "9"
    & skf18("9","10","3","10","4","7","1") = "9"
    & skf18("9","10","3","10","4","8","1") = "9"
    & skf18("9","10","3","10","4","9","1") = "9"
    & skf18("9","10","3","10","4","10","1") = "9"
    & skf18("9","10","3","10","5","1","1") = "9"
    & skf18("9","10","3","10","5","2","1") = "9"
    & skf18("9","10","3","10","5","3","1") = "9"
    & skf18("9","10","3","10","5","4","1") = "9"
    & skf18("9","10","3","10","5","5","1") = "9"
    & skf18("9","10","3","10","5","6","1") = "9"
    & skf18("9","10","3","10","5","7","1") = "9"
    & skf18("9","10","3","10","5","8","1") = "9"
    & skf18("9","10","3","10","5","9","1") = "9"
    & skf18("9","10","3","10","5","10","1") = "9"
    & skf18("9","10","3","10","6","1","1") = "9"
    & skf18("9","10","3","10","6","2","1") = "9"
    & skf18("9","10","3","10","6","3","1") = "9"
    & skf18("9","10","3","10","6","4","1") = "9"
    & skf18("9","10","3","10","6","5","1") = "9"
    & skf18("9","10","3","10","6","6","1") = "9"
    & skf18("9","10","3","10","6","7","1") = "9"
    & skf18("9","10","3","10","6","8","1") = "9"
    & skf18("9","10","3","10","6","9","1") = "9"
    & skf18("9","10","3","10","6","10","1") = "9"
    & skf18("9","10","3","10","7","1","1") = "9"
    & skf18("9","10","3","10","7","2","1") = "9"
    & skf18("9","10","3","10","7","3","1") = "9"
    & skf18("9","10","3","10","7","4","1") = "9"
    & skf18("9","10","3","10","7","5","1") = "9"
    & skf18("9","10","3","10","7","6","1") = "9"
    & skf18("9","10","3","10","7","7","1") = "9"
    & skf18("9","10","3","10","7","8","1") = "9"
    & skf18("9","10","3","10","7","9","1") = "9"
    & skf18("9","10","3","10","7","10","1") = "9"
    & skf18("9","10","3","10","8","1","1") = "9"
    & skf18("9","10","3","10","8","2","1") = "9"
    & skf18("9","10","3","10","8","3","1") = "9"
    & skf18("9","10","3","10","8","4","1") = "9"
    & skf18("9","10","3","10","8","5","1") = "9"
    & skf18("9","10","3","10","8","6","1") = "9"
    & skf18("9","10","3","10","8","7","1") = "9"
    & skf18("9","10","3","10","8","8","1") = "9"
    & skf18("9","10","3","10","8","9","1") = "9"
    & skf18("9","10","3","10","8","10","1") = "9"
    & skf18("9","10","3","10","9","1","1") = "9"
    & skf18("9","10","3","10","9","2","1") = "9"
    & skf18("9","10","3","10","9","3","1") = "9"
    & skf18("9","10","3","10","9","4","1") = "9"
    & skf18("9","10","3","10","9","5","1") = "9"
    & skf18("9","10","3","10","9","6","1") = "9"
    & skf18("9","10","3","10","9","7","1") = "9"
    & skf18("9","10","3","10","9","8","1") = "9"
    & skf18("9","10","3","10","9","9","1") = "9"
    & skf18("9","10","3","10","9","10","1") = "9"
    & skf18("9","10","3","10","10","1","1") = "9"
    & skf18("9","10","3","10","10","2","1") = "9"
    & skf18("9","10","3","10","10","3","1") = "9"
    & skf18("9","10","3","10","10","4","1") = "9"
    & skf18("9","10","3","10","10","5","1") = "9"
    & skf18("9","10","3","10","10","6","1") = "9"
    & skf18("9","10","3","10","10","7","1") = "9"
    & skf18("9","10","3","10","10","8","1") = "9"
    & skf18("9","10","3","10","10","9","1") = "9"
    & skf18("9","10","3","10","10","10","1") = "9"
    & skf18("9","10","4","1","1","1","1") = "9"
    & skf18("9","10","4","1","1","2","1") = "9"
    & skf18("9","10","4","1","1","3","1") = "9"
    & skf18("9","10","4","1","1","4","1") = "9"
    & skf18("9","10","4","1","1","5","1") = "9"
    & skf18("9","10","4","1","1","6","1") = "9"
    & skf18("9","10","4","1","1","7","1") = "9"
    & skf18("9","10","4","1","1","8","1") = "9"
    & skf18("9","10","4","1","1","9","1") = "9"
    & skf18("9","10","4","1","1","10","1") = "9"
    & skf18("9","10","4","1","2","1","1") = "9"
    & skf18("9","10","4","1","2","2","1") = "9"
    & skf18("9","10","4","1","2","3","1") = "9"
    & skf18("9","10","4","1","2","4","1") = "9"
    & skf18("9","10","4","1","2","5","1") = "9"
    & skf18("9","10","4","1","2","6","1") = "9"
    & skf18("9","10","4","1","2","7","1") = "9"
    & skf18("9","10","4","1","2","8","1") = "9"
    & skf18("9","10","4","1","2","9","1") = "9"
    & skf18("9","10","4","1","2","10","1") = "9"
    & skf18("9","10","4","1","3","1","1") = "9"
    & skf18("9","10","4","1","3","2","1") = "9"
    & skf18("9","10","4","1","3","3","1") = "9"
    & skf18("9","10","4","1","3","4","1") = "9"
    & skf18("9","10","4","1","3","5","1") = "9"
    & skf18("9","10","4","1","3","6","1") = "9"
    & skf18("9","10","4","1","3","7","1") = "9"
    & skf18("9","10","4","1","3","8","1") = "9"
    & skf18("9","10","4","1","3","9","1") = "9"
    & skf18("9","10","4","1","3","10","1") = "9"
    & skf18("9","10","4","1","4","1","1") = "9"
    & skf18("9","10","4","1","4","2","1") = "9"
    & skf18("9","10","4","1","4","3","1") = "9"
    & skf18("9","10","4","1","4","4","1") = "9"
    & skf18("9","10","4","1","4","5","1") = "9"
    & skf18("9","10","4","1","4","6","1") = "9"
    & skf18("9","10","4","1","4","7","1") = "9"
    & skf18("9","10","4","1","4","8","1") = "9"
    & skf18("9","10","4","1","4","9","1") = "9"
    & skf18("9","10","4","1","4","10","1") = "9"
    & skf18("9","10","4","1","5","1","1") = "9"
    & skf18("9","10","4","1","5","2","1") = "9"
    & skf18("9","10","4","1","5","3","1") = "9"
    & skf18("9","10","4","1","5","4","1") = "9"
    & skf18("9","10","4","1","5","5","1") = "9"
    & skf18("9","10","4","1","5","6","1") = "9"
    & skf18("9","10","4","1","5","7","1") = "9"
    & skf18("9","10","4","1","5","8","1") = "9"
    & skf18("9","10","4","1","5","9","1") = "9"
    & skf18("9","10","4","1","5","10","1") = "9"
    & skf18("9","10","4","1","6","1","1") = "9"
    & skf18("9","10","4","1","6","2","1") = "9"
    & skf18("9","10","4","1","6","3","1") = "9"
    & skf18("9","10","4","1","6","4","1") = "9"
    & skf18("9","10","4","1","6","5","1") = "9"
    & skf18("9","10","4","1","6","6","1") = "9"
    & skf18("9","10","4","1","6","7","1") = "9"
    & skf18("9","10","4","1","6","8","1") = "9"
    & skf18("9","10","4","1","6","9","1") = "9"
    & skf18("9","10","4","1","6","10","1") = "9"
    & skf18("9","10","4","1","7","1","1") = "9"
    & skf18("9","10","4","1","7","2","1") = "9"
    & skf18("9","10","4","1","7","3","1") = "9"
    & skf18("9","10","4","1","7","4","1") = "9"
    & skf18("9","10","4","1","7","5","1") = "9"
    & skf18("9","10","4","1","7","6","1") = "9"
    & skf18("9","10","4","1","7","7","1") = "9"
    & skf18("9","10","4","1","7","8","1") = "9"
    & skf18("9","10","4","1","7","9","1") = "9"
    & skf18("9","10","4","1","7","10","1") = "9"
    & skf18("9","10","4","1","8","1","1") = "9"
    & skf18("9","10","4","1","8","2","1") = "9"
    & skf18("9","10","4","1","8","3","1") = "9"
    & skf18("9","10","4","1","8","4","1") = "9"
    & skf18("9","10","4","1","8","5","1") = "9"
    & skf18("9","10","4","1","8","6","1") = "9"
    & skf18("9","10","4","1","8","7","1") = "9"
    & skf18("9","10","4","1","8","8","1") = "9"
    & skf18("9","10","4","1","8","9","1") = "9"
    & skf18("9","10","4","1","8","10","1") = "9"
    & skf18("9","10","4","1","9","1","1") = "9"
    & skf18("9","10","4","1","9","2","1") = "9"
    & skf18("9","10","4","1","9","3","1") = "9"
    & skf18("9","10","4","1","9","4","1") = "9"
    & skf18("9","10","4","1","9","5","1") = "9"
    & skf18("9","10","4","1","9","6","1") = "9"
    & skf18("9","10","4","1","9","7","1") = "9"
    & skf18("9","10","4","1","9","8","1") = "9"
    & skf18("9","10","4","1","9","9","1") = "9"
    & skf18("9","10","4","1","9","10","1") = "9"
    & skf18("9","10","4","1","10","1","1") = "9"
    & skf18("9","10","4","1","10","2","1") = "9"
    & skf18("9","10","4","1","10","3","1") = "9"
    & skf18("9","10","4","1","10","4","1") = "9"
    & skf18("9","10","4","1","10","5","1") = "9"
    & skf18("9","10","4","1","10","6","1") = "9"
    & skf18("9","10","4","1","10","7","1") = "9"
    & skf18("9","10","4","1","10","8","1") = "9"
    & skf18("9","10","4","1","10","9","1") = "9"
    & skf18("9","10","4","1","10","10","1") = "9"
    & skf18("9","10","4","2","1","1","1") = "9"
    & skf18("9","10","4","2","1","2","1") = "9"
    & skf18("9","10","4","2","1","3","1") = "9"
    & skf18("9","10","4","2","1","4","1") = "9"
    & skf18("9","10","4","2","1","5","1") = "9"
    & skf18("9","10","4","2","1","6","1") = "9"
    & skf18("9","10","4","2","1","7","1") = "9"
    & skf18("9","10","4","2","1","8","1") = "9"
    & skf18("9","10","4","2","1","9","1") = "9"
    & skf18("9","10","4","2","1","10","1") = "9"
    & skf18("9","10","4","2","2","1","1") = "9"
    & skf18("9","10","4","2","2","2","1") = "9"
    & skf18("9","10","4","2","2","3","1") = "9"
    & skf18("9","10","4","2","2","4","1") = "9"
    & skf18("9","10","4","2","2","5","1") = "9"
    & skf18("9","10","4","2","2","6","1") = "9"
    & skf18("9","10","4","2","2","7","1") = "9"
    & skf18("9","10","4","2","2","8","1") = "9"
    & skf18("9","10","4","2","2","9","1") = "9"
    & skf18("9","10","4","2","2","10","1") = "9"
    & skf18("9","10","4","2","3","1","1") = "9"
    & skf18("9","10","4","2","3","2","1") = "9"
    & skf18("9","10","4","2","3","3","1") = "9"
    & skf18("9","10","4","2","3","4","1") = "9"
    & skf18("9","10","4","2","3","5","1") = "9"
    & skf18("9","10","4","2","3","6","1") = "9"
    & skf18("9","10","4","2","3","7","1") = "9"
    & skf18("9","10","4","2","3","8","1") = "9"
    & skf18("9","10","4","2","3","9","1") = "9"
    & skf18("9","10","4","2","3","10","1") = "9"
    & skf18("9","10","4","2","4","1","1") = "9"
    & skf18("9","10","4","2","4","2","1") = "9"
    & skf18("9","10","4","2","4","3","1") = "9"
    & skf18("9","10","4","2","4","4","1") = "9"
    & skf18("9","10","4","2","4","5","1") = "9"
    & skf18("9","10","4","2","4","6","1") = "9"
    & skf18("9","10","4","2","4","7","1") = "9"
    & skf18("9","10","4","2","4","8","1") = "9"
    & skf18("9","10","4","2","4","9","1") = "9"
    & skf18("9","10","4","2","4","10","1") = "9"
    & skf18("9","10","4","2","5","1","1") = "9"
    & skf18("9","10","4","2","5","2","1") = "9"
    & skf18("9","10","4","2","5","3","1") = "9"
    & skf18("9","10","4","2","5","4","1") = "9"
    & skf18("9","10","4","2","5","5","1") = "9"
    & skf18("9","10","4","2","5","6","1") = "9"
    & skf18("9","10","4","2","5","7","1") = "9"
    & skf18("9","10","4","2","5","8","1") = "9"
    & skf18("9","10","4","2","5","9","1") = "9"
    & skf18("9","10","4","2","5","10","1") = "9"
    & skf18("9","10","4","2","6","1","1") = "9"
    & skf18("9","10","4","2","6","2","1") = "9"
    & skf18("9","10","4","2","6","3","1") = "9"
    & skf18("9","10","4","2","6","4","1") = "9"
    & skf18("9","10","4","2","6","5","1") = "9"
    & skf18("9","10","4","2","6","6","1") = "9"
    & skf18("9","10","4","2","6","7","1") = "9"
    & skf18("9","10","4","2","6","8","1") = "9"
    & skf18("9","10","4","2","6","9","1") = "9"
    & skf18("9","10","4","2","6","10","1") = "9"
    & skf18("9","10","4","2","7","1","1") = "9"
    & skf18("9","10","4","2","7","2","1") = "9"
    & skf18("9","10","4","2","7","3","1") = "9"
    & skf18("9","10","4","2","7","4","1") = "9"
    & skf18("9","10","4","2","7","5","1") = "9"
    & skf18("9","10","4","2","7","6","1") = "9"
    & skf18("9","10","4","2","7","7","1") = "9"
    & skf18("9","10","4","2","7","8","1") = "9"
    & skf18("9","10","4","2","7","9","1") = "9"
    & skf18("9","10","4","2","7","10","1") = "9"
    & skf18("9","10","4","2","8","1","1") = "9"
    & skf18("9","10","4","2","8","2","1") = "9"
    & skf18("9","10","4","2","8","3","1") = "9"
    & skf18("9","10","4","2","8","4","1") = "9"
    & skf18("9","10","4","2","8","5","1") = "9"
    & skf18("9","10","4","2","8","6","1") = "9"
    & skf18("9","10","4","2","8","7","1") = "9"
    & skf18("9","10","4","2","8","8","1") = "9"
    & skf18("9","10","4","2","8","9","1") = "9"
    & skf18("9","10","4","2","8","10","1") = "9"
    & skf18("9","10","4","2","9","1","1") = "9"
    & skf18("9","10","4","2","9","2","1") = "9"
    & skf18("9","10","4","2","9","3","1") = "9"
    & skf18("9","10","4","2","9","4","1") = "9"
    & skf18("9","10","4","2","9","5","1") = "9"
    & skf18("9","10","4","2","9","6","1") = "9"
    & skf18("9","10","4","2","9","7","1") = "9"
    & skf18("9","10","4","2","9","8","1") = "9"
    & skf18("9","10","4","2","9","9","1") = "9"
    & skf18("9","10","4","2","9","10","1") = "9"
    & skf18("9","10","4","2","10","1","1") = "9"
    & skf18("9","10","4","2","10","2","1") = "9"
    & skf18("9","10","4","2","10","3","1") = "9"
    & skf18("9","10","4","2","10","4","1") = "9"
    & skf18("9","10","4","2","10","5","1") = "9"
    & skf18("9","10","4","2","10","6","1") = "9"
    & skf18("9","10","4","2","10","7","1") = "9"
    & skf18("9","10","4","2","10","8","1") = "9"
    & skf18("9","10","4","2","10","9","1") = "9"
    & skf18("9","10","4","2","10","10","1") = "9"
    & skf18("9","10","4","3","1","1","1") = "9"
    & skf18("9","10","4","3","1","2","1") = "9"
    & skf18("9","10","4","3","1","3","1") = "9"
    & skf18("9","10","4","3","1","4","1") = "9"
    & skf18("9","10","4","3","1","5","1") = "9"
    & skf18("9","10","4","3","1","6","1") = "9"
    & skf18("9","10","4","3","1","7","1") = "9"
    & skf18("9","10","4","3","1","8","1") = "9"
    & skf18("9","10","4","3","1","9","1") = "9"
    & skf18("9","10","4","3","1","10","1") = "9"
    & skf18("9","10","4","3","2","1","1") = "9"
    & skf18("9","10","4","3","2","2","1") = "9"
    & skf18("9","10","4","3","2","3","1") = "9"
    & skf18("9","10","4","3","2","4","1") = "9"
    & skf18("9","10","4","3","2","5","1") = "9"
    & skf18("9","10","4","3","2","6","1") = "9"
    & skf18("9","10","4","3","2","7","1") = "9"
    & skf18("9","10","4","3","2","8","1") = "9"
    & skf18("9","10","4","3","2","9","1") = "9"
    & skf18("9","10","4","3","2","10","1") = "9"
    & skf18("9","10","4","3","3","1","1") = "9"
    & skf18("9","10","4","3","3","2","1") = "9"
    & skf18("9","10","4","3","3","3","1") = "9"
    & skf18("9","10","4","3","3","4","1") = "9"
    & skf18("9","10","4","3","3","5","1") = "9"
    & skf18("9","10","4","3","3","6","1") = "9"
    & skf18("9","10","4","3","3","7","1") = "9"
    & skf18("9","10","4","3","3","8","1") = "9"
    & skf18("9","10","4","3","3","9","1") = "9"
    & skf18("9","10","4","3","3","10","1") = "9"
    & skf18("9","10","4","3","4","1","1") = "9"
    & skf18("9","10","4","3","4","2","1") = "9"
    & skf18("9","10","4","3","4","3","1") = "9"
    & skf18("9","10","4","3","4","4","1") = "9"
    & skf18("9","10","4","3","4","5","1") = "9"
    & skf18("9","10","4","3","4","6","1") = "9"
    & skf18("9","10","4","3","4","7","1") = "9"
    & skf18("9","10","4","3","4","8","1") = "9"
    & skf18("9","10","4","3","4","9","1") = "9"
    & skf18("9","10","4","3","4","10","1") = "9"
    & skf18("9","10","4","3","5","1","1") = "9"
    & skf18("9","10","4","3","5","2","1") = "9"
    & skf18("9","10","4","3","5","3","1") = "9"
    & skf18("9","10","4","3","5","4","1") = "9"
    & skf18("9","10","4","3","5","5","1") = "9"
    & skf18("9","10","4","3","5","6","1") = "9"
    & skf18("9","10","4","3","5","7","1") = "9"
    & skf18("9","10","4","3","5","8","1") = "9"
    & skf18("9","10","4","3","5","9","1") = "9"
    & skf18("9","10","4","3","5","10","1") = "9"
    & skf18("9","10","4","3","6","1","1") = "9"
    & skf18("9","10","4","3","6","2","1") = "9"
    & skf18("9","10","4","3","6","3","1") = "9"
    & skf18("9","10","4","3","6","4","1") = "9"
    & skf18("9","10","4","3","6","5","1") = "9"
    & skf18("9","10","4","3","6","6","1") = "9"
    & skf18("9","10","4","3","6","7","1") = "9"
    & skf18("9","10","4","3","6","8","1") = "9"
    & skf18("9","10","4","3","6","9","1") = "9"
    & skf18("9","10","4","3","6","10","1") = "9"
    & skf18("9","10","4","3","7","1","1") = "9"
    & skf18("9","10","4","3","7","2","1") = "9"
    & skf18("9","10","4","3","7","3","1") = "9"
    & skf18("9","10","4","3","7","4","1") = "9"
    & skf18("9","10","4","3","7","5","1") = "9"
    & skf18("9","10","4","3","7","6","1") = "9"
    & skf18("9","10","4","3","7","7","1") = "9"
    & skf18("9","10","4","3","7","8","1") = "9"
    & skf18("9","10","4","3","7","9","1") = "9"
    & skf18("9","10","4","3","7","10","1") = "9"
    & skf18("9","10","4","3","8","1","1") = "9"
    & skf18("9","10","4","3","8","2","1") = "9"
    & skf18("9","10","4","3","8","3","1") = "9"
    & skf18("9","10","4","3","8","4","1") = "9"
    & skf18("9","10","4","3","8","5","1") = "9"
    & skf18("9","10","4","3","8","6","1") = "9"
    & skf18("9","10","4","3","8","7","1") = "9"
    & skf18("9","10","4","3","8","8","1") = "9"
    & skf18("9","10","4","3","8","9","1") = "9"
    & skf18("9","10","4","3","8","10","1") = "9"
    & skf18("9","10","4","3","9","1","1") = "9"
    & skf18("9","10","4","3","9","2","1") = "9"
    & skf18("9","10","4","3","9","3","1") = "9"
    & skf18("9","10","4","3","9","4","1") = "9"
    & skf18("9","10","4","3","9","5","1") = "9"
    & skf18("9","10","4","3","9","6","1") = "9"
    & skf18("9","10","4","3","9","7","1") = "9"
    & skf18("9","10","4","3","9","8","1") = "9"
    & skf18("9","10","4","3","9","9","1") = "9"
    & skf18("9","10","4","3","9","10","1") = "9"
    & skf18("9","10","4","3","10","1","1") = "9"
    & skf18("9","10","4","3","10","2","1") = "9"
    & skf18("9","10","4","3","10","3","1") = "9"
    & skf18("9","10","4","3","10","4","1") = "9"
    & skf18("9","10","4","3","10","5","1") = "9"
    & skf18("9","10","4","3","10","6","1") = "9"
    & skf18("9","10","4","3","10","7","1") = "9"
    & skf18("9","10","4","3","10","8","1") = "9"
    & skf18("9","10","4","3","10","9","1") = "9"
    & skf18("9","10","4","3","10","10","1") = "9"
    & skf18("9","10","4","4","1","1","1") = "9"
    & skf18("9","10","4","4","1","2","1") = "9"
    & skf18("9","10","4","4","1","3","1") = "9"
    & skf18("9","10","4","4","1","4","1") = "9"
    & skf18("9","10","4","4","1","5","1") = "9"
    & skf18("9","10","4","4","1","6","1") = "9"
    & skf18("9","10","4","4","1","7","1") = "9"
    & skf18("9","10","4","4","1","8","1") = "9"
    & skf18("9","10","4","4","1","9","1") = "9"
    & skf18("9","10","4","4","1","10","1") = "9"
    & skf18("9","10","4","4","2","1","1") = "9"
    & skf18("9","10","4","4","2","2","1") = "9"
    & skf18("9","10","4","4","2","3","1") = "9"
    & skf18("9","10","4","4","2","4","1") = "9"
    & skf18("9","10","4","4","2","5","1") = "9"
    & skf18("9","10","4","4","2","6","1") = "9"
    & skf18("9","10","4","4","2","7","1") = "9"
    & skf18("9","10","4","4","2","8","1") = "9"
    & skf18("9","10","4","4","2","9","1") = "9"
    & skf18("9","10","4","4","2","10","1") = "9"
    & skf18("9","10","4","4","3","1","1") = "9"
    & skf18("9","10","4","4","3","2","1") = "9"
    & skf18("9","10","4","4","3","3","1") = "9"
    & skf18("9","10","4","4","3","4","1") = "9"
    & skf18("9","10","4","4","3","5","1") = "9"
    & skf18("9","10","4","4","3","6","1") = "9"
    & skf18("9","10","4","4","3","7","1") = "9"
    & skf18("9","10","4","4","3","8","1") = "9"
    & skf18("9","10","4","4","3","9","1") = "9"
    & skf18("9","10","4","4","3","10","1") = "9"
    & skf18("9","10","4","4","4","1","1") = "9"
    & skf18("9","10","4","4","4","2","1") = "9"
    & skf18("9","10","4","4","4","3","1") = "9"
    & skf18("9","10","4","4","4","4","1") = "9"
    & skf18("9","10","4","4","4","5","1") = "9"
    & skf18("9","10","4","4","4","6","1") = "9"
    & skf18("9","10","4","4","4","7","1") = "9"
    & skf18("9","10","4","4","4","8","1") = "9"
    & skf18("9","10","4","4","4","9","1") = "9"
    & skf18("9","10","4","4","4","10","1") = "9"
    & skf18("9","10","4","4","5","1","1") = "9"
    & skf18("9","10","4","4","5","2","1") = "9"
    & skf18("9","10","4","4","5","3","1") = "9"
    & skf18("9","10","4","4","5","4","1") = "9"
    & skf18("9","10","4","4","5","5","1") = "9"
    & skf18("9","10","4","4","5","6","1") = "9"
    & skf18("9","10","4","4","5","7","1") = "9"
    & skf18("9","10","4","4","5","8","1") = "9"
    & skf18("9","10","4","4","5","9","1") = "9"
    & skf18("9","10","4","4","5","10","1") = "9"
    & skf18("9","10","4","4","6","1","1") = "9"
    & skf18("9","10","4","4","6","2","1") = "9"
    & skf18("9","10","4","4","6","3","1") = "9"
    & skf18("9","10","4","4","6","4","1") = "9"
    & skf18("9","10","4","4","6","5","1") = "9"
    & skf18("9","10","4","4","6","6","1") = "9"
    & skf18("9","10","4","4","6","7","1") = "9"
    & skf18("9","10","4","4","6","8","1") = "9"
    & skf18("9","10","4","4","6","9","1") = "9"
    & skf18("9","10","4","4","6","10","1") = "9"
    & skf18("9","10","4","4","7","1","1") = "9"
    & skf18("9","10","4","4","7","2","1") = "9"
    & skf18("9","10","4","4","7","3","1") = "9"
    & skf18("9","10","4","4","7","4","1") = "9"
    & skf18("9","10","4","4","7","5","1") = "9"
    & skf18("9","10","4","4","7","6","1") = "9"
    & skf18("9","10","4","4","7","7","1") = "9"
    & skf18("9","10","4","4","7","8","1") = "9"
    & skf18("9","10","4","4","7","9","1") = "9"
    & skf18("9","10","4","4","7","10","1") = "9"
    & skf18("9","10","4","4","8","1","1") = "9"
    & skf18("9","10","4","4","8","2","1") = "9"
    & skf18("9","10","4","4","8","3","1") = "9"
    & skf18("9","10","4","4","8","4","1") = "9"
    & skf18("9","10","4","4","8","5","1") = "9"
    & skf18("9","10","4","4","8","6","1") = "9"
    & skf18("9","10","4","4","8","7","1") = "9"
    & skf18("9","10","4","4","8","8","1") = "9"
    & skf18("9","10","4","4","8","9","1") = "9"
    & skf18("9","10","4","4","8","10","1") = "9"
    & skf18("9","10","4","4","9","1","1") = "9"
    & skf18("9","10","4","4","9","2","1") = "9"
    & skf18("9","10","4","4","9","3","1") = "9"
    & skf18("9","10","4","4","9","4","1") = "9"
    & skf18("9","10","4","4","9","5","1") = "9"
    & skf18("9","10","4","4","9","6","1") = "9"
    & skf18("9","10","4","4","9","7","1") = "9"
    & skf18("9","10","4","4","9","8","1") = "9"
    & skf18("9","10","4","4","9","9","1") = "9"
    & skf18("9","10","4","4","9","10","1") = "9"
    & skf18("9","10","4","4","10","1","1") = "9"
    & skf18("9","10","4","4","10","2","1") = "9"
    & skf18("9","10","4","4","10","3","1") = "9"
    & skf18("9","10","4","4","10","4","1") = "9"
    & skf18("9","10","4","4","10","5","1") = "9"
    & skf18("9","10","4","4","10","6","1") = "9"
    & skf18("9","10","4","4","10","7","1") = "9"
    & skf18("9","10","4","4","10","8","1") = "9"
    & skf18("9","10","4","4","10","9","1") = "9"
    & skf18("9","10","4","4","10","10","1") = "9"
    & skf18("9","10","4","5","1","1","1") = "9"
    & skf18("9","10","4","5","1","2","1") = "9"
    & skf18("9","10","4","5","1","3","1") = "9"
    & skf18("9","10","4","5","1","4","1") = "9"
    & skf18("9","10","4","5","1","5","1") = "9"
    & skf18("9","10","4","5","1","6","1") = "9"
    & skf18("9","10","4","5","1","7","1") = "9"
    & skf18("9","10","4","5","1","8","1") = "9"
    & skf18("9","10","4","5","1","9","1") = "9"
    & skf18("9","10","4","5","1","10","1") = "9"
    & skf18("9","10","4","5","2","1","1") = "9"
    & skf18("9","10","4","5","2","2","1") = "9"
    & skf18("9","10","4","5","2","3","1") = "9"
    & skf18("9","10","4","5","2","4","1") = "9"
    & skf18("9","10","4","5","2","5","1") = "9"
    & skf18("9","10","4","5","2","6","1") = "9"
    & skf18("9","10","4","5","2","7","1") = "9"
    & skf18("9","10","4","5","2","8","1") = "9"
    & skf18("9","10","4","5","2","9","1") = "9"
    & skf18("9","10","4","5","2","10","1") = "9"
    & skf18("9","10","4","5","3","1","1") = "9"
    & skf18("9","10","4","5","3","2","1") = "9"
    & skf18("9","10","4","5","3","3","1") = "9"
    & skf18("9","10","4","5","3","4","1") = "9"
    & skf18("9","10","4","5","3","5","1") = "9"
    & skf18("9","10","4","5","3","6","1") = "9"
    & skf18("9","10","4","5","3","7","1") = "9"
    & skf18("9","10","4","5","3","8","1") = "9"
    & skf18("9","10","4","5","3","9","1") = "9"
    & skf18("9","10","4","5","3","10","1") = "9"
    & skf18("9","10","4","5","4","1","1") = "9"
    & skf18("9","10","4","5","4","2","1") = "9"
    & skf18("9","10","4","5","4","3","1") = "9"
    & skf18("9","10","4","5","4","4","1") = "9"
    & skf18("9","10","4","5","4","5","1") = "9"
    & skf18("9","10","4","5","4","6","1") = "9"
    & skf18("9","10","4","5","4","7","1") = "9"
    & skf18("9","10","4","5","4","8","1") = "9"
    & skf18("9","10","4","5","4","9","1") = "9"
    & skf18("9","10","4","5","4","10","1") = "9"
    & skf18("9","10","4","5","5","1","1") = "9"
    & skf18("9","10","4","5","5","2","1") = "9"
    & skf18("9","10","4","5","5","3","1") = "9"
    & skf18("9","10","4","5","5","4","1") = "9"
    & skf18("9","10","4","5","5","5","1") = "9"
    & skf18("9","10","4","5","5","6","1") = "9"
    & skf18("9","10","4","5","5","7","1") = "9"
    & skf18("9","10","4","5","5","8","1") = "9"
    & skf18("9","10","4","5","5","9","1") = "9"
    & skf18("9","10","4","5","5","10","1") = "9"
    & skf18("9","10","4","5","6","1","1") = "9"
    & skf18("9","10","4","5","6","2","1") = "9"
    & skf18("9","10","4","5","6","3","1") = "9"
    & skf18("9","10","4","5","6","4","1") = "9"
    & skf18("9","10","4","5","6","5","1") = "9"
    & skf18("9","10","4","5","6","6","1") = "9"
    & skf18("9","10","4","5","6","7","1") = "9"
    & skf18("9","10","4","5","6","8","1") = "9"
    & skf18("9","10","4","5","6","9","1") = "9"
    & skf18("9","10","4","5","6","10","1") = "9"
    & skf18("9","10","4","5","7","1","1") = "9"
    & skf18("9","10","4","5","7","2","1") = "9"
    & skf18("9","10","4","5","7","3","1") = "9"
    & skf18("9","10","4","5","7","4","1") = "9"
    & skf18("9","10","4","5","7","5","1") = "9"
    & skf18("9","10","4","5","7","6","1") = "9"
    & skf18("9","10","4","5","7","7","1") = "9"
    & skf18("9","10","4","5","7","8","1") = "9"
    & skf18("9","10","4","5","7","9","1") = "9"
    & skf18("9","10","4","5","7","10","1") = "9"
    & skf18("9","10","4","5","8","1","1") = "9"
    & skf18("9","10","4","5","8","2","1") = "9"
    & skf18("9","10","4","5","8","3","1") = "9"
    & skf18("9","10","4","5","8","4","1") = "9"
    & skf18("9","10","4","5","8","5","1") = "9"
    & skf18("9","10","4","5","8","6","1") = "9"
    & skf18("9","10","4","5","8","7","1") = "9"
    & skf18("9","10","4","5","8","8","1") = "9"
    & skf18("9","10","4","5","8","9","1") = "9"
    & skf18("9","10","4","5","8","10","1") = "9"
    & skf18("9","10","4","5","9","1","1") = "9"
    & skf18("9","10","4","5","9","2","1") = "9"
    & skf18("9","10","4","5","9","3","1") = "9"
    & skf18("9","10","4","5","9","4","1") = "9"
    & skf18("9","10","4","5","9","5","1") = "9"
    & skf18("9","10","4","5","9","6","1") = "9"
    & skf18("9","10","4","5","9","7","1") = "9"
    & skf18("9","10","4","5","9","8","1") = "9"
    & skf18("9","10","4","5","9","9","1") = "9"
    & skf18("9","10","4","5","9","10","1") = "9"
    & skf18("9","10","4","5","10","1","1") = "9"
    & skf18("9","10","4","5","10","2","1") = "9"
    & skf18("9","10","4","5","10","3","1") = "9"
    & skf18("9","10","4","5","10","4","1") = "9"
    & skf18("9","10","4","5","10","5","1") = "9"
    & skf18("9","10","4","5","10","6","1") = "9"
    & skf18("9","10","4","5","10","7","1") = "9"
    & skf18("9","10","4","5","10","8","1") = "9"
    & skf18("9","10","4","5","10","9","1") = "9"
    & skf18("9","10","4","5","10","10","1") = "9"
    & skf18("9","10","4","6","1","1","1") = "9"
    & skf18("9","10","4","6","1","2","1") = "9"
    & skf18("9","10","4","6","1","3","1") = "9"
    & skf18("9","10","4","6","1","4","1") = "9"
    & skf18("9","10","4","6","1","5","1") = "9"
    & skf18("9","10","4","6","1","6","1") = "9"
    & skf18("9","10","4","6","1","7","1") = "9"
    & skf18("9","10","4","6","1","8","1") = "9"
    & skf18("9","10","4","6","1","9","1") = "9"
    & skf18("9","10","4","6","1","10","1") = "9"
    & skf18("9","10","4","6","2","1","1") = "9"
    & skf18("9","10","4","6","2","2","1") = "9"
    & skf18("9","10","4","6","2","3","1") = "9"
    & skf18("9","10","4","6","2","4","1") = "9"
    & skf18("9","10","4","6","2","5","1") = "9"
    & skf18("9","10","4","6","2","6","1") = "9"
    & skf18("9","10","4","6","2","7","1") = "9"
    & skf18("9","10","4","6","2","8","1") = "9"
    & skf18("9","10","4","6","2","9","1") = "9"
    & skf18("9","10","4","6","2","10","1") = "9"
    & skf18("9","10","4","6","3","1","1") = "9"
    & skf18("9","10","4","6","3","2","1") = "9"
    & skf18("9","10","4","6","3","3","1") = "9"
    & skf18("9","10","4","6","3","4","1") = "9"
    & skf18("9","10","4","6","3","5","1") = "9"
    & skf18("9","10","4","6","3","6","1") = "9"
    & skf18("9","10","4","6","3","7","1") = "9"
    & skf18("9","10","4","6","3","8","1") = "9"
    & skf18("9","10","4","6","3","9","1") = "9"
    & skf18("9","10","4","6","3","10","1") = "9"
    & skf18("9","10","4","6","4","1","1") = "9"
    & skf18("9","10","4","6","4","2","1") = "9"
    & skf18("9","10","4","6","4","3","1") = "9"
    & skf18("9","10","4","6","4","4","1") = "9"
    & skf18("9","10","4","6","4","5","1") = "9"
    & skf18("9","10","4","6","4","6","1") = "9"
    & skf18("9","10","4","6","4","7","1") = "9"
    & skf18("9","10","4","6","4","8","1") = "9"
    & skf18("9","10","4","6","4","9","1") = "9"
    & skf18("9","10","4","6","4","10","1") = "9"
    & skf18("9","10","4","6","5","1","1") = "9"
    & skf18("9","10","4","6","5","2","1") = "9"
    & skf18("9","10","4","6","5","3","1") = "9"
    & skf18("9","10","4","6","5","4","1") = "9"
    & skf18("9","10","4","6","5","5","1") = "9"
    & skf18("9","10","4","6","5","6","1") = "9"
    & skf18("9","10","4","6","5","7","1") = "9"
    & skf18("9","10","4","6","5","8","1") = "9"
    & skf18("9","10","4","6","5","9","1") = "9"
    & skf18("9","10","4","6","5","10","1") = "9"
    & skf18("9","10","4","6","6","1","1") = "9"
    & skf18("9","10","4","6","6","2","1") = "9"
    & skf18("9","10","4","6","6","3","1") = "9"
    & skf18("9","10","4","6","6","4","1") = "9"
    & skf18("9","10","4","6","6","5","1") = "9"
    & skf18("9","10","4","6","6","6","1") = "9"
    & skf18("9","10","4","6","6","7","1") = "9"
    & skf18("9","10","4","6","6","8","1") = "9"
    & skf18("9","10","4","6","6","9","1") = "9"
    & skf18("9","10","4","6","6","10","1") = "9"
    & skf18("9","10","4","6","7","1","1") = "9"
    & skf18("9","10","4","6","7","2","1") = "9"
    & skf18("9","10","4","6","7","3","1") = "9"
    & skf18("9","10","4","6","7","4","1") = "9"
    & skf18("9","10","4","6","7","5","1") = "9"
    & skf18("9","10","4","6","7","6","1") = "9"
    & skf18("9","10","4","6","7","7","1") = "9"
    & skf18("9","10","4","6","7","8","1") = "9"
    & skf18("9","10","4","6","7","9","1") = "9"
    & skf18("9","10","4","6","7","10","1") = "9"
    & skf18("9","10","4","6","8","1","1") = "9"
    & skf18("9","10","4","6","8","2","1") = "9"
    & skf18("9","10","4","6","8","3","1") = "9"
    & skf18("9","10","4","6","8","4","1") = "9"
    & skf18("9","10","4","6","8","5","1") = "9"
    & skf18("9","10","4","6","8","6","1") = "9"
    & skf18("9","10","4","6","8","7","1") = "9"
    & skf18("9","10","4","6","8","8","1") = "9"
    & skf18("9","10","4","6","8","9","1") = "9"
    & skf18("9","10","4","6","8","10","1") = "9"
    & skf18("9","10","4","6","9","1","1") = "9"
    & skf18("9","10","4","6","9","2","1") = "9"
    & skf18("9","10","4","6","9","3","1") = "9"
    & skf18("9","10","4","6","9","4","1") = "9"
    & skf18("9","10","4","6","9","5","1") = "9"
    & skf18("9","10","4","6","9","6","1") = "9"
    & skf18("9","10","4","6","9","7","1") = "9"
    & skf18("9","10","4","6","9","8","1") = "9"
    & skf18("9","10","4","6","9","9","1") = "9"
    & skf18("9","10","4","6","9","10","1") = "9"
    & skf18("9","10","4","6","10","1","1") = "9"
    & skf18("9","10","4","6","10","2","1") = "9"
    & skf18("9","10","4","6","10","3","1") = "9"
    & skf18("9","10","4","6","10","4","1") = "9"
    & skf18("9","10","4","6","10","5","1") = "9"
    & skf18("9","10","4","6","10","6","1") = "9"
    & skf18("9","10","4","6","10","7","1") = "9"
    & skf18("9","10","4","6","10","8","1") = "9"
    & skf18("9","10","4","6","10","9","1") = "9"
    & skf18("9","10","4","6","10","10","1") = "9"
    & skf18("9","10","4","7","1","1","1") = "9"
    & skf18("9","10","4","7","1","2","1") = "9"
    & skf18("9","10","4","7","1","3","1") = "9"
    & skf18("9","10","4","7","1","4","1") = "9"
    & skf18("9","10","4","7","1","5","1") = "9"
    & skf18("9","10","4","7","1","6","1") = "9"
    & skf18("9","10","4","7","1","7","1") = "9"
    & skf18("9","10","4","7","1","8","1") = "9"
    & skf18("9","10","4","7","1","9","1") = "9"
    & skf18("9","10","4","7","1","10","1") = "9"
    & skf18("9","10","4","7","2","1","1") = "9"
    & skf18("9","10","4","7","2","2","1") = "9"
    & skf18("9","10","4","7","2","3","1") = "9"
    & skf18("9","10","4","7","2","4","1") = "9"
    & skf18("9","10","4","7","2","5","1") = "9"
    & skf18("9","10","4","7","2","6","1") = "9"
    & skf18("9","10","4","7","2","7","1") = "9"
    & skf18("9","10","4","7","2","8","1") = "9"
    & skf18("9","10","4","7","2","9","1") = "9"
    & skf18("9","10","4","7","2","10","1") = "9"
    & skf18("9","10","4","7","3","1","1") = "9"
    & skf18("9","10","4","7","3","2","1") = "9"
    & skf18("9","10","4","7","3","3","1") = "9"
    & skf18("9","10","4","7","3","4","1") = "9"
    & skf18("9","10","4","7","3","5","1") = "9"
    & skf18("9","10","4","7","3","6","1") = "9"
    & skf18("9","10","4","7","3","7","1") = "9"
    & skf18("9","10","4","7","3","8","1") = "9"
    & skf18("9","10","4","7","3","9","1") = "9"
    & skf18("9","10","4","7","3","10","1") = "9"
    & skf18("9","10","4","7","4","1","1") = "9"
    & skf18("9","10","4","7","4","2","1") = "9"
    & skf18("9","10","4","7","4","3","1") = "9"
    & skf18("9","10","4","7","4","4","1") = "9"
    & skf18("9","10","4","7","4","5","1") = "9"
    & skf18("9","10","4","7","4","6","1") = "9"
    & skf18("9","10","4","7","4","7","1") = "9"
    & skf18("9","10","4","7","4","8","1") = "9"
    & skf18("9","10","4","7","4","9","1") = "9"
    & skf18("9","10","4","7","4","10","1") = "9"
    & skf18("9","10","4","7","5","1","1") = "9"
    & skf18("9","10","4","7","5","2","1") = "9"
    & skf18("9","10","4","7","5","3","1") = "9"
    & skf18("9","10","4","7","5","4","1") = "9"
    & skf18("9","10","4","7","5","5","1") = "9"
    & skf18("9","10","4","7","5","6","1") = "9"
    & skf18("9","10","4","7","5","7","1") = "9"
    & skf18("9","10","4","7","5","8","1") = "9"
    & skf18("9","10","4","7","5","9","1") = "9"
    & skf18("9","10","4","7","5","10","1") = "9"
    & skf18("9","10","4","7","6","1","1") = "9"
    & skf18("9","10","4","7","6","2","1") = "9"
    & skf18("9","10","4","7","6","3","1") = "9"
    & skf18("9","10","4","7","6","4","1") = "9"
    & skf18("9","10","4","7","6","5","1") = "9"
    & skf18("9","10","4","7","6","6","1") = "9"
    & skf18("9","10","4","7","6","7","1") = "9"
    & skf18("9","10","4","7","6","8","1") = "9"
    & skf18("9","10","4","7","6","9","1") = "9"
    & skf18("9","10","4","7","6","10","1") = "9"
    & skf18("9","10","4","7","7","1","1") = "9"
    & skf18("9","10","4","7","7","2","1") = "9"
    & skf18("9","10","4","7","7","3","1") = "9"
    & skf18("9","10","4","7","7","4","1") = "9"
    & skf18("9","10","4","7","7","5","1") = "9"
    & skf18("9","10","4","7","7","6","1") = "9"
    & skf18("9","10","4","7","7","7","1") = "9"
    & skf18("9","10","4","7","7","8","1") = "9"
    & skf18("9","10","4","7","7","9","1") = "9"
    & skf18("9","10","4","7","7","10","1") = "9"
    & skf18("9","10","4","7","8","1","1") = "9"
    & skf18("9","10","4","7","8","2","1") = "9"
    & skf18("9","10","4","7","8","3","1") = "9"
    & skf18("9","10","4","7","8","4","1") = "9"
    & skf18("9","10","4","7","8","5","1") = "9"
    & skf18("9","10","4","7","8","6","1") = "9"
    & skf18("9","10","4","7","8","7","1") = "9"
    & skf18("9","10","4","7","8","8","1") = "9"
    & skf18("9","10","4","7","8","9","1") = "9"
    & skf18("9","10","4","7","8","10","1") = "9"
    & skf18("9","10","4","7","9","1","1") = "9"
    & skf18("9","10","4","7","9","2","1") = "9"
    & skf18("9","10","4","7","9","3","1") = "9"
    & skf18("9","10","4","7","9","4","1") = "9"
    & skf18("9","10","4","7","9","5","1") = "9"
    & skf18("9","10","4","7","9","6","1") = "9"
    & skf18("9","10","4","7","9","7","1") = "9"
    & skf18("9","10","4","7","9","8","1") = "9"
    & skf18("9","10","4","7","9","9","1") = "9"
    & skf18("9","10","4","7","9","10","1") = "9"
    & skf18("9","10","4","7","10","1","1") = "9"
    & skf18("9","10","4","7","10","2","1") = "9"
    & skf18("9","10","4","7","10","3","1") = "9"
    & skf18("9","10","4","7","10","4","1") = "9"
    & skf18("9","10","4","7","10","5","1") = "9"
    & skf18("9","10","4","7","10","6","1") = "9"
    & skf18("9","10","4","7","10","7","1") = "9"
    & skf18("9","10","4","7","10","8","1") = "9"
    & skf18("9","10","4","7","10","9","1") = "9"
    & skf18("9","10","4","7","10","10","1") = "9"
    & skf18("9","10","4","8","1","1","1") = "9"
    & skf18("9","10","4","8","1","2","1") = "9"
    & skf18("9","10","4","8","1","3","1") = "9"
    & skf18("9","10","4","8","1","4","1") = "9"
    & skf18("9","10","4","8","1","5","1") = "9"
    & skf18("9","10","4","8","1","6","1") = "9"
    & skf18("9","10","4","8","1","7","1") = "9"
    & skf18("9","10","4","8","1","8","1") = "9"
    & skf18("9","10","4","8","1","9","1") = "9"
    & skf18("9","10","4","8","1","10","1") = "9"
    & skf18("9","10","4","8","2","1","1") = "9"
    & skf18("9","10","4","8","2","2","1") = "9"
    & skf18("9","10","4","8","2","3","1") = "9"
    & skf18("9","10","4","8","2","4","1") = "9"
    & skf18("9","10","4","8","2","5","1") = "9"
    & skf18("9","10","4","8","2","6","1") = "9"
    & skf18("9","10","4","8","2","7","1") = "9"
    & skf18("9","10","4","8","2","8","1") = "9"
    & skf18("9","10","4","8","2","9","1") = "9"
    & skf18("9","10","4","8","2","10","1") = "9"
    & skf18("9","10","4","8","3","1","1") = "9"
    & skf18("9","10","4","8","3","2","1") = "9"
    & skf18("9","10","4","8","3","3","1") = "9"
    & skf18("9","10","4","8","3","4","1") = "9"
    & skf18("9","10","4","8","3","5","1") = "9"
    & skf18("9","10","4","8","3","6","1") = "9"
    & skf18("9","10","4","8","3","7","1") = "9"
    & skf18("9","10","4","8","3","8","1") = "9"
    & skf18("9","10","4","8","3","9","1") = "9"
    & skf18("9","10","4","8","3","10","1") = "9"
    & skf18("9","10","4","8","4","1","1") = "9"
    & skf18("9","10","4","8","4","2","1") = "9"
    & skf18("9","10","4","8","4","3","1") = "9"
    & skf18("9","10","4","8","4","4","1") = "9"
    & skf18("9","10","4","8","4","5","1") = "9"
    & skf18("9","10","4","8","4","6","1") = "9"
    & skf18("9","10","4","8","4","7","1") = "9"
    & skf18("9","10","4","8","4","8","1") = "9"
    & skf18("9","10","4","8","4","9","1") = "9"
    & skf18("9","10","4","8","4","10","1") = "9"
    & skf18("9","10","4","8","5","1","1") = "9"
    & skf18("9","10","4","8","5","2","1") = "9"
    & skf18("9","10","4","8","5","3","1") = "9"
    & skf18("9","10","4","8","5","4","1") = "9"
    & skf18("9","10","4","8","5","5","1") = "9"
    & skf18("9","10","4","8","5","6","1") = "9"
    & skf18("9","10","4","8","5","7","1") = "9"
    & skf18("9","10","4","8","5","8","1") = "9"
    & skf18("9","10","4","8","5","9","1") = "9"
    & skf18("9","10","4","8","5","10","1") = "9"
    & skf18("9","10","4","8","6","1","1") = "9"
    & skf18("9","10","4","8","6","2","1") = "9"
    & skf18("9","10","4","8","6","3","1") = "9"
    & skf18("9","10","4","8","6","4","1") = "9"
    & skf18("9","10","4","8","6","5","1") = "9"
    & skf18("9","10","4","8","6","6","1") = "9"
    & skf18("9","10","4","8","6","7","1") = "9"
    & skf18("9","10","4","8","6","8","1") = "9"
    & skf18("9","10","4","8","6","9","1") = "9"
    & skf18("9","10","4","8","6","10","1") = "9"
    & skf18("9","10","4","8","7","1","1") = "9"
    & skf18("9","10","4","8","7","2","1") = "9"
    & skf18("9","10","4","8","7","3","1") = "9"
    & skf18("9","10","4","8","7","4","1") = "9"
    & skf18("9","10","4","8","7","5","1") = "9"
    & skf18("9","10","4","8","7","6","1") = "9"
    & skf18("9","10","4","8","7","7","1") = "9"
    & skf18("9","10","4","8","7","8","1") = "9"
    & skf18("9","10","4","8","7","9","1") = "9"
    & skf18("9","10","4","8","7","10","1") = "9"
    & skf18("9","10","4","8","8","1","1") = "9"
    & skf18("9","10","4","8","8","2","1") = "9"
    & skf18("9","10","4","8","8","3","1") = "9"
    & skf18("9","10","4","8","8","4","1") = "9"
    & skf18("9","10","4","8","8","5","1") = "9"
    & skf18("9","10","4","8","8","6","1") = "9"
    & skf18("9","10","4","8","8","7","1") = "9"
    & skf18("9","10","4","8","8","8","1") = "9"
    & skf18("9","10","4","8","8","9","1") = "9"
    & skf18("9","10","4","8","8","10","1") = "9"
    & skf18("9","10","4","8","9","1","1") = "9"
    & skf18("9","10","4","8","9","2","1") = "9"
    & skf18("9","10","4","8","9","3","1") = "9"
    & skf18("9","10","4","8","9","4","1") = "9"
    & skf18("9","10","4","8","9","5","1") = "9"
    & skf18("9","10","4","8","9","6","1") = "9"
    & skf18("9","10","4","8","9","7","1") = "9"
    & skf18("9","10","4","8","9","8","1") = "9"
    & skf18("9","10","4","8","9","9","1") = "9"
    & skf18("9","10","4","8","9","10","1") = "9"
    & skf18("9","10","4","8","10","1","1") = "9"
    & skf18("9","10","4","8","10","2","1") = "9"
    & skf18("9","10","4","8","10","3","1") = "9"
    & skf18("9","10","4","8","10","4","1") = "9"
    & skf18("9","10","4","8","10","5","1") = "9"
    & skf18("9","10","4","8","10","6","1") = "9"
    & skf18("9","10","4","8","10","7","1") = "9"
    & skf18("9","10","4","8","10","8","1") = "9"
    & skf18("9","10","4","8","10","9","1") = "9"
    & skf18("9","10","4","8","10","10","1") = "9"
    & skf18("9","10","4","9","1","1","1") = "9"
    & skf18("9","10","4","9","1","2","1") = "9"
    & skf18("9","10","4","9","1","3","1") = "9"
    & skf18("9","10","4","9","1","4","1") = "9"
    & skf18("9","10","4","9","1","5","1") = "9"
    & skf18("9","10","4","9","1","6","1") = "9"
    & skf18("9","10","4","9","1","7","1") = "9"
    & skf18("9","10","4","9","1","8","1") = "9"
    & skf18("9","10","4","9","1","9","1") = "9"
    & skf18("9","10","4","9","1","10","1") = "9"
    & skf18("9","10","4","9","2","1","1") = "9"
    & skf18("9","10","4","9","2","2","1") = "9"
    & skf18("9","10","4","9","2","3","1") = "9"
    & skf18("9","10","4","9","2","4","1") = "9"
    & skf18("9","10","4","9","2","5","1") = "9"
    & skf18("9","10","4","9","2","6","1") = "9"
    & skf18("9","10","4","9","2","7","1") = "9"
    & skf18("9","10","4","9","2","8","1") = "9"
    & skf18("9","10","4","9","2","9","1") = "9"
    & skf18("9","10","4","9","2","10","1") = "9"
    & skf18("9","10","4","9","3","1","1") = "9"
    & skf18("9","10","4","9","3","2","1") = "9"
    & skf18("9","10","4","9","3","3","1") = "9"
    & skf18("9","10","4","9","3","4","1") = "9"
    & skf18("9","10","4","9","3","5","1") = "9"
    & skf18("9","10","4","9","3","6","1") = "9"
    & skf18("9","10","4","9","3","7","1") = "9"
    & skf18("9","10","4","9","3","8","1") = "9"
    & skf18("9","10","4","9","3","9","1") = "9"
    & skf18("9","10","4","9","3","10","1") = "9"
    & skf18("9","10","4","9","4","1","1") = "9"
    & skf18("9","10","4","9","4","2","1") = "9"
    & skf18("9","10","4","9","4","3","1") = "9"
    & skf18("9","10","4","9","4","4","1") = "9"
    & skf18("9","10","4","9","4","5","1") = "9"
    & skf18("9","10","4","9","4","6","1") = "9"
    & skf18("9","10","4","9","4","7","1") = "9"
    & skf18("9","10","4","9","4","8","1") = "9"
    & skf18("9","10","4","9","4","9","1") = "9"
    & skf18("9","10","4","9","4","10","1") = "9"
    & skf18("9","10","4","9","5","1","1") = "9"
    & skf18("9","10","4","9","5","2","1") = "9"
    & skf18("9","10","4","9","5","3","1") = "9"
    & skf18("9","10","4","9","5","4","1") = "9"
    & skf18("9","10","4","9","5","5","1") = "9"
    & skf18("9","10","4","9","5","6","1") = "9"
    & skf18("9","10","4","9","5","7","1") = "9"
    & skf18("9","10","4","9","5","8","1") = "9"
    & skf18("9","10","4","9","5","9","1") = "9"
    & skf18("9","10","4","9","5","10","1") = "9"
    & skf18("9","10","4","9","6","1","1") = "9"
    & skf18("9","10","4","9","6","2","1") = "9"
    & skf18("9","10","4","9","6","3","1") = "9"
    & skf18("9","10","4","9","6","4","1") = "9"
    & skf18("9","10","4","9","6","5","1") = "9"
    & skf18("9","10","4","9","6","6","1") = "9"
    & skf18("9","10","4","9","6","7","1") = "9"
    & skf18("9","10","4","9","6","8","1") = "9"
    & skf18("9","10","4","9","6","9","1") = "9"
    & skf18("9","10","4","9","6","10","1") = "9"
    & skf18("9","10","4","9","7","1","1") = "9"
    & skf18("9","10","4","9","7","2","1") = "9"
    & skf18("9","10","4","9","7","3","1") = "9"
    & skf18("9","10","4","9","7","4","1") = "9"
    & skf18("9","10","4","9","7","5","1") = "9"
    & skf18("9","10","4","9","7","6","1") = "9"
    & skf18("9","10","4","9","7","7","1") = "9"
    & skf18("9","10","4","9","7","8","1") = "9"
    & skf18("9","10","4","9","7","9","1") = "9"
    & skf18("9","10","4","9","7","10","1") = "9"
    & skf18("9","10","4","9","8","1","1") = "9"
    & skf18("9","10","4","9","8","2","1") = "9"
    & skf18("9","10","4","9","8","3","1") = "9"
    & skf18("9","10","4","9","8","4","1") = "9"
    & skf18("9","10","4","9","8","5","1") = "9"
    & skf18("9","10","4","9","8","6","1") = "9"
    & skf18("9","10","4","9","8","7","1") = "9"
    & skf18("9","10","4","9","8","8","1") = "9"
    & skf18("9","10","4","9","8","9","1") = "9"
    & skf18("9","10","4","9","8","10","1") = "9"
    & skf18("9","10","4","9","9","1","1") = "9"
    & skf18("9","10","4","9","9","2","1") = "9"
    & skf18("9","10","4","9","9","3","1") = "9"
    & skf18("9","10","4","9","9","4","1") = "9"
    & skf18("9","10","4","9","9","5","1") = "9"
    & skf18("9","10","4","9","9","6","1") = "9"
    & skf18("9","10","4","9","9","7","1") = "9"
    & skf18("9","10","4","9","9","8","1") = "9"
    & skf18("9","10","4","9","9","9","1") = "9"
    & skf18("9","10","4","9","9","10","1") = "9"
    & skf18("9","10","4","9","10","1","1") = "9"
    & skf18("9","10","4","9","10","2","1") = "9"
    & skf18("9","10","4","9","10","3","1") = "9"
    & skf18("9","10","4","9","10","4","1") = "9"
    & skf18("9","10","4","9","10","5","1") = "9"
    & skf18("9","10","4","9","10","6","1") = "9"
    & skf18("9","10","4","9","10","7","1") = "9"
    & skf18("9","10","4","9","10","8","1") = "9"
    & skf18("9","10","4","9","10","9","1") = "9"
    & skf18("9","10","4","9","10","10","1") = "9"
    & skf18("9","10","4","10","1","1","1") = "9"
    & skf18("9","10","4","10","1","2","1") = "9"
    & skf18("9","10","4","10","1","3","1") = "9"
    & skf18("9","10","4","10","1","4","1") = "9"
    & skf18("9","10","4","10","1","5","1") = "9"
    & skf18("9","10","4","10","1","6","1") = "9"
    & skf18("9","10","4","10","1","7","1") = "9"
    & skf18("9","10","4","10","1","8","1") = "9"
    & skf18("9","10","4","10","1","9","1") = "9"
    & skf18("9","10","4","10","1","10","1") = "9"
    & skf18("9","10","4","10","2","1","1") = "9"
    & skf18("9","10","4","10","2","2","1") = "9"
    & skf18("9","10","4","10","2","3","1") = "9"
    & skf18("9","10","4","10","2","4","1") = "9"
    & skf18("9","10","4","10","2","5","1") = "9"
    & skf18("9","10","4","10","2","6","1") = "9"
    & skf18("9","10","4","10","2","7","1") = "9"
    & skf18("9","10","4","10","2","8","1") = "9"
    & skf18("9","10","4","10","2","9","1") = "9"
    & skf18("9","10","4","10","2","10","1") = "9"
    & skf18("9","10","4","10","3","1","1") = "9"
    & skf18("9","10","4","10","3","2","1") = "9"
    & skf18("9","10","4","10","3","3","1") = "9"
    & skf18("9","10","4","10","3","4","1") = "9"
    & skf18("9","10","4","10","3","5","1") = "9"
    & skf18("9","10","4","10","3","6","1") = "9"
    & skf18("9","10","4","10","3","7","1") = "9"
    & skf18("9","10","4","10","3","8","1") = "9"
    & skf18("9","10","4","10","3","9","1") = "9"
    & skf18("9","10","4","10","3","10","1") = "9"
    & skf18("9","10","4","10","4","1","1") = "9"
    & skf18("9","10","4","10","4","2","1") = "9"
    & skf18("9","10","4","10","4","3","1") = "9"
    & skf18("9","10","4","10","4","4","1") = "9"
    & skf18("9","10","4","10","4","5","1") = "9"
    & skf18("9","10","4","10","4","6","1") = "9"
    & skf18("9","10","4","10","4","7","1") = "9"
    & skf18("9","10","4","10","4","8","1") = "9"
    & skf18("9","10","4","10","4","9","1") = "9"
    & skf18("9","10","4","10","4","10","1") = "9"
    & skf18("9","10","4","10","5","1","1") = "9"
    & skf18("9","10","4","10","5","2","1") = "9"
    & skf18("9","10","4","10","5","3","1") = "9"
    & skf18("9","10","4","10","5","4","1") = "9"
    & skf18("9","10","4","10","5","5","1") = "9"
    & skf18("9","10","4","10","5","6","1") = "9"
    & skf18("9","10","4","10","5","7","1") = "9"
    & skf18("9","10","4","10","5","8","1") = "9"
    & skf18("9","10","4","10","5","9","1") = "9"
    & skf18("9","10","4","10","5","10","1") = "9"
    & skf18("9","10","4","10","6","1","1") = "9"
    & skf18("9","10","4","10","6","2","1") = "9"
    & skf18("9","10","4","10","6","3","1") = "9"
    & skf18("9","10","4","10","6","4","1") = "9"
    & skf18("9","10","4","10","6","5","1") = "9"
    & skf18("9","10","4","10","6","6","1") = "9"
    & skf18("9","10","4","10","6","7","1") = "9"
    & skf18("9","10","4","10","6","8","1") = "9"
    & skf18("9","10","4","10","6","9","1") = "9"
    & skf18("9","10","4","10","6","10","1") = "9"
    & skf18("9","10","4","10","7","1","1") = "9"
    & skf18("9","10","4","10","7","2","1") = "9"
    & skf18("9","10","4","10","7","3","1") = "9"
    & skf18("9","10","4","10","7","4","1") = "9"
    & skf18("9","10","4","10","7","5","1") = "9"
    & skf18("9","10","4","10","7","6","1") = "9"
    & skf18("9","10","4","10","7","7","1") = "9"
    & skf18("9","10","4","10","7","8","1") = "9"
    & skf18("9","10","4","10","7","9","1") = "9"
    & skf18("9","10","4","10","7","10","1") = "9"
    & skf18("9","10","4","10","8","1","1") = "9"
    & skf18("9","10","4","10","8","2","1") = "9"
    & skf18("9","10","4","10","8","3","1") = "9"
    & skf18("9","10","4","10","8","4","1") = "9"
    & skf18("9","10","4","10","8","5","1") = "9"
    & skf18("9","10","4","10","8","6","1") = "9"
    & skf18("9","10","4","10","8","7","1") = "9"
    & skf18("9","10","4","10","8","8","1") = "9"
    & skf18("9","10","4","10","8","9","1") = "9"
    & skf18("9","10","4","10","8","10","1") = "9"
    & skf18("9","10","4","10","9","1","1") = "9"
    & skf18("9","10","4","10","9","2","1") = "9"
    & skf18("9","10","4","10","9","3","1") = "9"
    & skf18("9","10","4","10","9","4","1") = "9"
    & skf18("9","10","4","10","9","5","1") = "9"
    & skf18("9","10","4","10","9","6","1") = "9"
    & skf18("9","10","4","10","9","7","1") = "9"
    & skf18("9","10","4","10","9","8","1") = "9"
    & skf18("9","10","4","10","9","9","1") = "9"
    & skf18("9","10","4","10","9","10","1") = "9"
    & skf18("9","10","4","10","10","1","1") = "9"
    & skf18("9","10","4","10","10","2","1") = "9"
    & skf18("9","10","4","10","10","3","1") = "9"
    & skf18("9","10","4","10","10","4","1") = "9"
    & skf18("9","10","4","10","10","5","1") = "9"
    & skf18("9","10","4","10","10","6","1") = "9"
    & skf18("9","10","4","10","10","7","1") = "9"
    & skf18("9","10","4","10","10","8","1") = "9"
    & skf18("9","10","4","10","10","9","1") = "9"
    & skf18("9","10","4","10","10","10","1") = "9"
    & skf18("9","10","5","1","1","1","1") = "9"
    & skf18("9","10","5","1","1","2","1") = "9"
    & skf18("9","10","5","1","1","3","1") = "9"
    & skf18("9","10","5","1","1","4","1") = "9"
    & skf18("9","10","5","1","1","5","1") = "9"
    & skf18("9","10","5","1","1","6","1") = "9"
    & skf18("9","10","5","1","1","7","1") = "9"
    & skf18("9","10","5","1","1","8","1") = "9"
    & skf18("9","10","5","1","1","9","1") = "9"
    & skf18("9","10","5","1","1","10","1") = "9"
    & skf18("9","10","5","1","2","1","1") = "9"
    & skf18("9","10","5","1","2","2","1") = "9"
    & skf18("9","10","5","1","2","3","1") = "9"
    & skf18("9","10","5","1","2","4","1") = "9"
    & skf18("9","10","5","1","2","5","1") = "9"
    & skf18("9","10","5","1","2","6","1") = "9"
    & skf18("9","10","5","1","2","7","1") = "9"
    & skf18("9","10","5","1","2","8","1") = "9"
    & skf18("9","10","5","1","2","9","1") = "9"
    & skf18("9","10","5","1","2","10","1") = "9"
    & skf18("9","10","5","1","3","1","1") = "9"
    & skf18("9","10","5","1","3","2","1") = "9"
    & skf18("9","10","5","1","3","3","1") = "9"
    & skf18("9","10","5","1","3","4","1") = "9"
    & skf18("9","10","5","1","3","5","1") = "9"
    & skf18("9","10","5","1","3","6","1") = "9"
    & skf18("9","10","5","1","3","7","1") = "9"
    & skf18("9","10","5","1","3","8","1") = "9"
    & skf18("9","10","5","1","3","9","1") = "9"
    & skf18("9","10","5","1","3","10","1") = "9"
    & skf18("9","10","5","1","4","1","1") = "9"
    & skf18("9","10","5","1","4","2","1") = "9"
    & skf18("9","10","5","1","4","3","1") = "9"
    & skf18("9","10","5","1","4","4","1") = "9"
    & skf18("9","10","5","1","4","5","1") = "9"
    & skf18("9","10","5","1","4","6","1") = "9"
    & skf18("9","10","5","1","4","7","1") = "9"
    & skf18("9","10","5","1","4","8","1") = "9"
    & skf18("9","10","5","1","4","9","1") = "9"
    & skf18("9","10","5","1","4","10","1") = "9"
    & skf18("9","10","5","1","5","1","1") = "9"
    & skf18("9","10","5","1","5","2","1") = "9"
    & skf18("9","10","5","1","5","3","1") = "9"
    & skf18("9","10","5","1","5","4","1") = "9"
    & skf18("9","10","5","1","5","5","1") = "9"
    & skf18("9","10","5","1","5","6","1") = "9"
    & skf18("9","10","5","1","5","7","1") = "9"
    & skf18("9","10","5","1","5","8","1") = "9"
    & skf18("9","10","5","1","5","9","1") = "9"
    & skf18("9","10","5","1","5","10","1") = "9"
    & skf18("9","10","5","1","6","1","1") = "9"
    & skf18("9","10","5","1","6","2","1") = "9"
    & skf18("9","10","5","1","6","3","1") = "9"
    & skf18("9","10","5","1","6","4","1") = "9"
    & skf18("9","10","5","1","6","5","1") = "9"
    & skf18("9","10","5","1","6","6","1") = "9"
    & skf18("9","10","5","1","6","7","1") = "9"
    & skf18("9","10","5","1","6","8","1") = "9"
    & skf18("9","10","5","1","6","9","1") = "9"
    & skf18("9","10","5","1","6","10","1") = "9"
    & skf18("9","10","5","1","7","1","1") = "9"
    & skf18("9","10","5","1","7","2","1") = "9"
    & skf18("9","10","5","1","7","3","1") = "9"
    & skf18("9","10","5","1","7","4","1") = "9"
    & skf18("9","10","5","1","7","5","1") = "9"
    & skf18("9","10","5","1","7","6","1") = "9"
    & skf18("9","10","5","1","7","7","1") = "9"
    & skf18("9","10","5","1","7","8","1") = "9"
    & skf18("9","10","5","1","7","9","1") = "9"
    & skf18("9","10","5","1","7","10","1") = "9"
    & skf18("9","10","5","1","8","1","1") = "9"
    & skf18("9","10","5","1","8","2","1") = "9"
    & skf18("9","10","5","1","8","3","1") = "9"
    & skf18("9","10","5","1","8","4","1") = "9"
    & skf18("9","10","5","1","8","5","1") = "9"
    & skf18("9","10","5","1","8","6","1") = "9"
    & skf18("9","10","5","1","8","7","1") = "9"
    & skf18("9","10","5","1","8","8","1") = "9"
    & skf18("9","10","5","1","8","9","1") = "9"
    & skf18("9","10","5","1","8","10","1") = "9"
    & skf18("9","10","5","1","9","1","1") = "9"
    & skf18("9","10","5","1","9","2","1") = "9"
    & skf18("9","10","5","1","9","3","1") = "9"
    & skf18("9","10","5","1","9","4","1") = "9"
    & skf18("9","10","5","1","9","5","1") = "9"
    & skf18("9","10","5","1","9","6","1") = "9"
    & skf18("9","10","5","1","9","7","1") = "9"
    & skf18("9","10","5","1","9","8","1") = "9"
    & skf18("9","10","5","1","9","9","1") = "9"
    & skf18("9","10","5","1","9","10","1") = "9"
    & skf18("9","10","5","1","10","1","1") = "9"
    & skf18("9","10","5","1","10","2","1") = "9"
    & skf18("9","10","5","1","10","3","1") = "9"
    & skf18("9","10","5","1","10","4","1") = "9"
    & skf18("9","10","5","1","10","5","1") = "9"
    & skf18("9","10","5","1","10","6","1") = "9"
    & skf18("9","10","5","1","10","7","1") = "9"
    & skf18("9","10","5","1","10","8","1") = "9"
    & skf18("9","10","5","1","10","9","1") = "9"
    & skf18("9","10","5","1","10","10","1") = "9"
    & skf18("9","10","5","2","1","1","1") = "9"
    & skf18("9","10","5","2","1","2","1") = "9"
    & skf18("9","10","5","2","1","3","1") = "9"
    & skf18("9","10","5","2","1","4","1") = "9"
    & skf18("9","10","5","2","1","5","1") = "9"
    & skf18("9","10","5","2","1","6","1") = "9"
    & skf18("9","10","5","2","1","7","1") = "9"
    & skf18("9","10","5","2","1","8","1") = "9"
    & skf18("9","10","5","2","1","9","1") = "9"
    & skf18("9","10","5","2","1","10","1") = "9"
    & skf18("9","10","5","2","2","1","1") = "9"
    & skf18("9","10","5","2","2","2","1") = "9"
    & skf18("9","10","5","2","2","3","1") = "9"
    & skf18("9","10","5","2","2","4","1") = "9"
    & skf18("9","10","5","2","2","5","1") = "9"
    & skf18("9","10","5","2","2","6","1") = "9"
    & skf18("9","10","5","2","2","7","1") = "9"
    & skf18("9","10","5","2","2","8","1") = "9"
    & skf18("9","10","5","2","2","9","1") = "9"
    & skf18("9","10","5","2","2","10","1") = "9"
    & skf18("9","10","5","2","3","1","1") = "9"
    & skf18("9","10","5","2","3","2","1") = "9"
    & skf18("9","10","5","2","3","3","1") = "9"
    & skf18("9","10","5","2","3","4","1") = "9"
    & skf18("9","10","5","2","3","5","1") = "9"
    & skf18("9","10","5","2","3","6","1") = "9"
    & skf18("9","10","5","2","3","7","1") = "9"
    & skf18("9","10","5","2","3","8","1") = "9"
    & skf18("9","10","5","2","3","9","1") = "9"
    & skf18("9","10","5","2","3","10","1") = "9"
    & skf18("9","10","5","2","4","1","1") = "9"
    & skf18("9","10","5","2","4","2","1") = "9"
    & skf18("9","10","5","2","4","3","1") = "9"
    & skf18("9","10","5","2","4","4","1") = "9"
    & skf18("9","10","5","2","4","5","1") = "9"
    & skf18("9","10","5","2","4","6","1") = "9"
    & skf18("9","10","5","2","4","7","1") = "9"
    & skf18("9","10","5","2","4","8","1") = "9"
    & skf18("9","10","5","2","4","9","1") = "9"
    & skf18("9","10","5","2","4","10","1") = "9"
    & skf18("9","10","5","2","5","1","1") = "9"
    & skf18("9","10","5","2","5","2","1") = "9"
    & skf18("9","10","5","2","5","3","1") = "9"
    & skf18("9","10","5","2","5","4","1") = "9"
    & skf18("9","10","5","2","5","5","1") = "9"
    & skf18("9","10","5","2","5","6","1") = "9"
    & skf18("9","10","5","2","5","7","1") = "9"
    & skf18("9","10","5","2","5","8","1") = "9"
    & skf18("9","10","5","2","5","9","1") = "9"
    & skf18("9","10","5","2","5","10","1") = "9"
    & skf18("9","10","5","2","6","1","1") = "9"
    & skf18("9","10","5","2","6","2","1") = "9"
    & skf18("9","10","5","2","6","3","1") = "9"
    & skf18("9","10","5","2","6","4","1") = "9"
    & skf18("9","10","5","2","6","5","1") = "9"
    & skf18("9","10","5","2","6","6","1") = "9"
    & skf18("9","10","5","2","6","7","1") = "9"
    & skf18("9","10","5","2","6","8","1") = "9"
    & skf18("9","10","5","2","6","9","1") = "9"
    & skf18("9","10","5","2","6","10","1") = "9"
    & skf18("9","10","5","2","7","1","1") = "9"
    & skf18("9","10","5","2","7","2","1") = "9"
    & skf18("9","10","5","2","7","3","1") = "9"
    & skf18("9","10","5","2","7","4","1") = "9"
    & skf18("9","10","5","2","7","5","1") = "9"
    & skf18("9","10","5","2","7","6","1") = "9"
    & skf18("9","10","5","2","7","7","1") = "9"
    & skf18("9","10","5","2","7","8","1") = "9"
    & skf18("9","10","5","2","7","9","1") = "9"
    & skf18("9","10","5","2","7","10","1") = "9"
    & skf18("9","10","5","2","8","1","1") = "9"
    & skf18("9","10","5","2","8","2","1") = "9"
    & skf18("9","10","5","2","8","3","1") = "9"
    & skf18("9","10","5","2","8","4","1") = "9"
    & skf18("9","10","5","2","8","5","1") = "9"
    & skf18("9","10","5","2","8","6","1") = "9"
    & skf18("9","10","5","2","8","7","1") = "9"
    & skf18("9","10","5","2","8","8","1") = "9"
    & skf18("9","10","5","2","8","9","1") = "9"
    & skf18("9","10","5","2","8","10","1") = "9"
    & skf18("9","10","5","2","9","1","1") = "9"
    & skf18("9","10","5","2","9","2","1") = "9"
    & skf18("9","10","5","2","9","3","1") = "9"
    & skf18("9","10","5","2","9","4","1") = "9"
    & skf18("9","10","5","2","9","5","1") = "9"
    & skf18("9","10","5","2","9","6","1") = "9"
    & skf18("9","10","5","2","9","7","1") = "9"
    & skf18("9","10","5","2","9","8","1") = "9"
    & skf18("9","10","5","2","9","9","1") = "9"
    & skf18("9","10","5","2","9","10","1") = "9"
    & skf18("9","10","5","2","10","1","1") = "9"
    & skf18("9","10","5","2","10","2","1") = "9"
    & skf18("9","10","5","2","10","3","1") = "9"
    & skf18("9","10","5","2","10","4","1") = "9"
    & skf18("9","10","5","2","10","5","1") = "9"
    & skf18("9","10","5","2","10","6","1") = "9"
    & skf18("9","10","5","2","10","7","1") = "9"
    & skf18("9","10","5","2","10","8","1") = "9"
    & skf18("9","10","5","2","10","9","1") = "9"
    & skf18("9","10","5","2","10","10","1") = "9"
    & skf18("9","10","5","3","1","1","1") = "9"
    & skf18("9","10","5","3","1","2","1") = "9"
    & skf18("9","10","5","3","1","3","1") = "9"
    & skf18("9","10","5","3","1","4","1") = "9"
    & skf18("9","10","5","3","1","5","1") = "9"
    & skf18("9","10","5","3","1","6","1") = "9"
    & skf18("9","10","5","3","1","7","1") = "9"
    & skf18("9","10","5","3","1","8","1") = "9"
    & skf18("9","10","5","3","1","9","1") = "9"
    & skf18("9","10","5","3","1","10","1") = "9"
    & skf18("9","10","5","3","2","1","1") = "9"
    & skf18("9","10","5","3","2","2","1") = "9"
    & skf18("9","10","5","3","2","3","1") = "9"
    & skf18("9","10","5","3","2","4","1") = "9"
    & skf18("9","10","5","3","2","5","1") = "9"
    & skf18("9","10","5","3","2","6","1") = "9"
    & skf18("9","10","5","3","2","7","1") = "9"
    & skf18("9","10","5","3","2","8","1") = "9"
    & skf18("9","10","5","3","2","9","1") = "9"
    & skf18("9","10","5","3","2","10","1") = "9"
    & skf18("9","10","5","3","3","1","1") = "9"
    & skf18("9","10","5","3","3","2","1") = "9"
    & skf18("9","10","5","3","3","3","1") = "9"
    & skf18("9","10","5","3","3","4","1") = "9"
    & skf18("9","10","5","3","3","5","1") = "9"
    & skf18("9","10","5","3","3","6","1") = "9"
    & skf18("9","10","5","3","3","7","1") = "9"
    & skf18("9","10","5","3","3","8","1") = "9"
    & skf18("9","10","5","3","3","9","1") = "9"
    & skf18("9","10","5","3","3","10","1") = "9"
    & skf18("9","10","5","3","4","1","1") = "9"
    & skf18("9","10","5","3","4","2","1") = "9"
    & skf18("9","10","5","3","4","3","1") = "9"
    & skf18("9","10","5","3","4","4","1") = "9"
    & skf18("9","10","5","3","4","5","1") = "9"
    & skf18("9","10","5","3","4","6","1") = "9"
    & skf18("9","10","5","3","4","7","1") = "9"
    & skf18("9","10","5","3","4","8","1") = "9"
    & skf18("9","10","5","3","4","9","1") = "9"
    & skf18("9","10","5","3","4","10","1") = "9"
    & skf18("9","10","5","3","5","1","1") = "9"
    & skf18("9","10","5","3","5","2","1") = "9"
    & skf18("9","10","5","3","5","3","1") = "9"
    & skf18("9","10","5","3","5","4","1") = "9"
    & skf18("9","10","5","3","5","5","1") = "9"
    & skf18("9","10","5","3","5","6","1") = "9"
    & skf18("9","10","5","3","5","7","1") = "9"
    & skf18("9","10","5","3","5","8","1") = "9"
    & skf18("9","10","5","3","5","9","1") = "9"
    & skf18("9","10","5","3","5","10","1") = "9"
    & skf18("9","10","5","3","6","1","1") = "9"
    & skf18("9","10","5","3","6","2","1") = "9"
    & skf18("9","10","5","3","6","3","1") = "9"
    & skf18("9","10","5","3","6","4","1") = "9"
    & skf18("9","10","5","3","6","5","1") = "9"
    & skf18("9","10","5","3","6","6","1") = "9"
    & skf18("9","10","5","3","6","7","1") = "9"
    & skf18("9","10","5","3","6","8","1") = "9"
    & skf18("9","10","5","3","6","9","1") = "9"
    & skf18("9","10","5","3","6","10","1") = "9"
    & skf18("9","10","5","3","7","1","1") = "9"
    & skf18("9","10","5","3","7","2","1") = "9"
    & skf18("9","10","5","3","7","3","1") = "9"
    & skf18("9","10","5","3","7","4","1") = "9"
    & skf18("9","10","5","3","7","5","1") = "9"
    & skf18("9","10","5","3","7","6","1") = "9"
    & skf18("9","10","5","3","7","7","1") = "9"
    & skf18("9","10","5","3","7","8","1") = "9"
    & skf18("9","10","5","3","7","9","1") = "9"
    & skf18("9","10","5","3","7","10","1") = "9"
    & skf18("9","10","5","3","8","1","1") = "9"
    & skf18("9","10","5","3","8","2","1") = "9"
    & skf18("9","10","5","3","8","3","1") = "9"
    & skf18("9","10","5","3","8","4","1") = "9"
    & skf18("9","10","5","3","8","5","1") = "9"
    & skf18("9","10","5","3","8","6","1") = "9"
    & skf18("9","10","5","3","8","7","1") = "9"
    & skf18("9","10","5","3","8","8","1") = "9"
    & skf18("9","10","5","3","8","9","1") = "9"
    & skf18("9","10","5","3","8","10","1") = "9"
    & skf18("9","10","5","3","9","1","1") = "9"
    & skf18("9","10","5","3","9","2","1") = "9"
    & skf18("9","10","5","3","9","3","1") = "9"
    & skf18("9","10","5","3","9","4","1") = "9"
    & skf18("9","10","5","3","9","5","1") = "9"
    & skf18("9","10","5","3","9","6","1") = "9"
    & skf18("9","10","5","3","9","7","1") = "9"
    & skf18("9","10","5","3","9","8","1") = "9"
    & skf18("9","10","5","3","9","9","1") = "9"
    & skf18("9","10","5","3","9","10","1") = "9"
    & skf18("9","10","5","3","10","1","1") = "9"
    & skf18("9","10","5","3","10","2","1") = "9"
    & skf18("9","10","5","3","10","3","1") = "9"
    & skf18("9","10","5","3","10","4","1") = "9"
    & skf18("9","10","5","3","10","5","1") = "9"
    & skf18("9","10","5","3","10","6","1") = "9"
    & skf18("9","10","5","3","10","7","1") = "9"
    & skf18("9","10","5","3","10","8","1") = "9"
    & skf18("9","10","5","3","10","9","1") = "9"
    & skf18("9","10","5","3","10","10","1") = "9"
    & skf18("9","10","5","4","1","1","1") = "9"
    & skf18("9","10","5","4","1","2","1") = "9"
    & skf18("9","10","5","4","1","3","1") = "9"
    & skf18("9","10","5","4","1","4","1") = "9"
    & skf18("9","10","5","4","1","5","1") = "9"
    & skf18("9","10","5","4","1","6","1") = "9"
    & skf18("9","10","5","4","1","7","1") = "9"
    & skf18("9","10","5","4","1","8","1") = "9"
    & skf18("9","10","5","4","1","9","1") = "9"
    & skf18("9","10","5","4","1","10","1") = "9"
    & skf18("9","10","5","4","2","1","1") = "9"
    & skf18("9","10","5","4","2","2","1") = "9"
    & skf18("9","10","5","4","2","3","1") = "9"
    & skf18("9","10","5","4","2","4","1") = "9"
    & skf18("9","10","5","4","2","5","1") = "9"
    & skf18("9","10","5","4","2","6","1") = "9"
    & skf18("9","10","5","4","2","7","1") = "9"
    & skf18("9","10","5","4","2","8","1") = "9"
    & skf18("9","10","5","4","2","9","1") = "9"
    & skf18("9","10","5","4","2","10","1") = "9"
    & skf18("9","10","5","4","3","1","1") = "9"
    & skf18("9","10","5","4","3","2","1") = "9"
    & skf18("9","10","5","4","3","3","1") = "9"
    & skf18("9","10","5","4","3","4","1") = "9"
    & skf18("9","10","5","4","3","5","1") = "9"
    & skf18("9","10","5","4","3","6","1") = "9"
    & skf18("9","10","5","4","3","7","1") = "9"
    & skf18("9","10","5","4","3","8","1") = "9"
    & skf18("9","10","5","4","3","9","1") = "9"
    & skf18("9","10","5","4","3","10","1") = "9"
    & skf18("9","10","5","4","4","1","1") = "9"
    & skf18("9","10","5","4","4","2","1") = "9"
    & skf18("9","10","5","4","4","3","1") = "9"
    & skf18("9","10","5","4","4","4","1") = "9"
    & skf18("9","10","5","4","4","5","1") = "9"
    & skf18("9","10","5","4","4","6","1") = "9"
    & skf18("9","10","5","4","4","7","1") = "9"
    & skf18("9","10","5","4","4","8","1") = "9"
    & skf18("9","10","5","4","4","9","1") = "9"
    & skf18("9","10","5","4","4","10","1") = "9"
    & skf18("9","10","5","4","5","1","1") = "9"
    & skf18("9","10","5","4","5","2","1") = "9"
    & skf18("9","10","5","4","5","3","1") = "9"
    & skf18("9","10","5","4","5","4","1") = "9"
    & skf18("9","10","5","4","5","5","1") = "9"
    & skf18("9","10","5","4","5","6","1") = "9"
    & skf18("9","10","5","4","5","7","1") = "9"
    & skf18("9","10","5","4","5","8","1") = "9"
    & skf18("9","10","5","4","5","9","1") = "9"
    & skf18("9","10","5","4","5","10","1") = "9"
    & skf18("9","10","5","4","6","1","1") = "9"
    & skf18("9","10","5","4","6","2","1") = "9"
    & skf18("9","10","5","4","6","3","1") = "9"
    & skf18("9","10","5","4","6","4","1") = "9"
    & skf18("9","10","5","4","6","5","1") = "9"
    & skf18("9","10","5","4","6","6","1") = "9"
    & skf18("9","10","5","4","6","7","1") = "9"
    & skf18("9","10","5","4","6","8","1") = "9"
    & skf18("9","10","5","4","6","9","1") = "9"
    & skf18("9","10","5","4","6","10","1") = "9"
    & skf18("9","10","5","4","7","1","1") = "9"
    & skf18("9","10","5","4","7","2","1") = "9"
    & skf18("9","10","5","4","7","3","1") = "9"
    & skf18("9","10","5","4","7","4","1") = "9"
    & skf18("9","10","5","4","7","5","1") = "9"
    & skf18("9","10","5","4","7","6","1") = "9"
    & skf18("9","10","5","4","7","7","1") = "9"
    & skf18("9","10","5","4","7","8","1") = "9"
    & skf18("9","10","5","4","7","9","1") = "9"
    & skf18("9","10","5","4","7","10","1") = "9"
    & skf18("9","10","5","4","8","1","1") = "9"
    & skf18("9","10","5","4","8","2","1") = "9"
    & skf18("9","10","5","4","8","3","1") = "9"
    & skf18("9","10","5","4","8","4","1") = "9"
    & skf18("9","10","5","4","8","5","1") = "9"
    & skf18("9","10","5","4","8","6","1") = "9"
    & skf18("9","10","5","4","8","7","1") = "9"
    & skf18("9","10","5","4","8","8","1") = "9"
    & skf18("9","10","5","4","8","9","1") = "9"
    & skf18("9","10","5","4","8","10","1") = "9"
    & skf18("9","10","5","4","9","1","1") = "9"
    & skf18("9","10","5","4","9","2","1") = "9"
    & skf18("9","10","5","4","9","3","1") = "9"
    & skf18("9","10","5","4","9","4","1") = "9"
    & skf18("9","10","5","4","9","5","1") = "9"
    & skf18("9","10","5","4","9","6","1") = "9"
    & skf18("9","10","5","4","9","7","1") = "9"
    & skf18("9","10","5","4","9","8","1") = "9"
    & skf18("9","10","5","4","9","9","1") = "9"
    & skf18("9","10","5","4","9","10","1") = "9"
    & skf18("9","10","5","4","10","1","1") = "9"
    & skf18("9","10","5","4","10","2","1") = "9"
    & skf18("9","10","5","4","10","3","1") = "9"
    & skf18("9","10","5","4","10","4","1") = "9"
    & skf18("9","10","5","4","10","5","1") = "9"
    & skf18("9","10","5","4","10","6","1") = "9"
    & skf18("9","10","5","4","10","7","1") = "9"
    & skf18("9","10","5","4","10","8","1") = "9"
    & skf18("9","10","5","4","10","9","1") = "9"
    & skf18("9","10","5","4","10","10","1") = "9"
    & skf18("9","10","5","5","1","1","1") = "9"
    & skf18("9","10","5","5","1","2","1") = "9"
    & skf18("9","10","5","5","1","3","1") = "9"
    & skf18("9","10","5","5","1","4","1") = "9"
    & skf18("9","10","5","5","1","5","1") = "9"
    & skf18("9","10","5","5","1","6","1") = "9"
    & skf18("9","10","5","5","1","7","1") = "9"
    & skf18("9","10","5","5","1","8","1") = "9"
    & skf18("9","10","5","5","1","9","1") = "9"
    & skf18("9","10","5","5","1","10","1") = "9"
    & skf18("9","10","5","5","2","1","1") = "9"
    & skf18("9","10","5","5","2","2","1") = "9"
    & skf18("9","10","5","5","2","3","1") = "9"
    & skf18("9","10","5","5","2","4","1") = "9"
    & skf18("9","10","5","5","2","5","1") = "9"
    & skf18("9","10","5","5","2","6","1") = "9"
    & skf18("9","10","5","5","2","7","1") = "9"
    & skf18("9","10","5","5","2","8","1") = "9"
    & skf18("9","10","5","5","2","9","1") = "9"
    & skf18("9","10","5","5","2","10","1") = "9"
    & skf18("9","10","5","5","3","1","1") = "9"
    & skf18("9","10","5","5","3","2","1") = "9"
    & skf18("9","10","5","5","3","3","1") = "9"
    & skf18("9","10","5","5","3","4","1") = "9"
    & skf18("9","10","5","5","3","5","1") = "9"
    & skf18("9","10","5","5","3","6","1") = "9"
    & skf18("9","10","5","5","3","7","1") = "9"
    & skf18("9","10","5","5","3","8","1") = "9"
    & skf18("9","10","5","5","3","9","1") = "9"
    & skf18("9","10","5","5","3","10","1") = "9"
    & skf18("9","10","5","5","4","1","1") = "9"
    & skf18("9","10","5","5","4","2","1") = "9"
    & skf18("9","10","5","5","4","3","1") = "9"
    & skf18("9","10","5","5","4","4","1") = "9"
    & skf18("9","10","5","5","4","5","1") = "9"
    & skf18("9","10","5","5","4","6","1") = "9"
    & skf18("9","10","5","5","4","7","1") = "9"
    & skf18("9","10","5","5","4","8","1") = "9"
    & skf18("9","10","5","5","4","9","1") = "9"
    & skf18("9","10","5","5","4","10","1") = "9"
    & skf18("9","10","5","5","5","1","1") = "9"
    & skf18("9","10","5","5","5","2","1") = "9"
    & skf18("9","10","5","5","5","3","1") = "9"
    & skf18("9","10","5","5","5","4","1") = "9"
    & skf18("9","10","5","5","5","5","1") = "9"
    & skf18("9","10","5","5","5","6","1") = "9"
    & skf18("9","10","5","5","5","7","1") = "9"
    & skf18("9","10","5","5","5","8","1") = "9"
    & skf18("9","10","5","5","5","9","1") = "9"
    & skf18("9","10","5","5","5","10","1") = "9"
    & skf18("9","10","5","5","6","1","1") = "9"
    & skf18("9","10","5","5","6","2","1") = "9"
    & skf18("9","10","5","5","6","3","1") = "9"
    & skf18("9","10","5","5","6","4","1") = "9"
    & skf18("9","10","5","5","6","5","1") = "9"
    & skf18("9","10","5","5","6","6","1") = "9"
    & skf18("9","10","5","5","6","7","1") = "9"
    & skf18("9","10","5","5","6","8","1") = "9"
    & skf18("9","10","5","5","6","9","1") = "9"
    & skf18("9","10","5","5","6","10","1") = "9"
    & skf18("9","10","5","5","7","1","1") = "9"
    & skf18("9","10","5","5","7","2","1") = "9"
    & skf18("9","10","5","5","7","3","1") = "9"
    & skf18("9","10","5","5","7","4","1") = "9"
    & skf18("9","10","5","5","7","5","1") = "9"
    & skf18("9","10","5","5","7","6","1") = "9"
    & skf18("9","10","5","5","7","7","1") = "9"
    & skf18("9","10","5","5","7","8","1") = "9"
    & skf18("9","10","5","5","7","9","1") = "9"
    & skf18("9","10","5","5","7","10","1") = "9"
    & skf18("9","10","5","5","8","1","1") = "9"
    & skf18("9","10","5","5","8","2","1") = "9"
    & skf18("9","10","5","5","8","3","1") = "9"
    & skf18("9","10","5","5","8","4","1") = "9"
    & skf18("9","10","5","5","8","5","1") = "9"
    & skf18("9","10","5","5","8","6","1") = "9"
    & skf18("9","10","5","5","8","7","1") = "9"
    & skf18("9","10","5","5","8","8","1") = "9"
    & skf18("9","10","5","5","8","9","1") = "9"
    & skf18("9","10","5","5","8","10","1") = "9"
    & skf18("9","10","5","5","9","1","1") = "9"
    & skf18("9","10","5","5","9","2","1") = "9"
    & skf18("9","10","5","5","9","3","1") = "9"
    & skf18("9","10","5","5","9","4","1") = "9"
    & skf18("9","10","5","5","9","5","1") = "9"
    & skf18("9","10","5","5","9","6","1") = "9"
    & skf18("9","10","5","5","9","7","1") = "9"
    & skf18("9","10","5","5","9","8","1") = "9"
    & skf18("9","10","5","5","9","9","1") = "9"
    & skf18("9","10","5","5","9","10","1") = "9"
    & skf18("9","10","5","5","10","1","1") = "9"
    & skf18("9","10","5","5","10","2","1") = "9"
    & skf18("9","10","5","5","10","3","1") = "9"
    & skf18("9","10","5","5","10","4","1") = "9"
    & skf18("9","10","5","5","10","5","1") = "9"
    & skf18("9","10","5","5","10","6","1") = "9"
    & skf18("9","10","5","5","10","7","1") = "9"
    & skf18("9","10","5","5","10","8","1") = "9"
    & skf18("9","10","5","5","10","9","1") = "9"
    & skf18("9","10","5","5","10","10","1") = "9"
    & skf18("9","10","5","6","1","1","1") = "9"
    & skf18("9","10","5","6","1","2","1") = "9"
    & skf18("9","10","5","6","1","3","1") = "9"
    & skf18("9","10","5","6","1","4","1") = "9"
    & skf18("9","10","5","6","1","5","1") = "9"
    & skf18("9","10","5","6","1","6","1") = "9"
    & skf18("9","10","5","6","1","7","1") = "9"
    & skf18("9","10","5","6","1","8","1") = "9"
    & skf18("9","10","5","6","1","9","1") = "9"
    & skf18("9","10","5","6","1","10","1") = "9"
    & skf18("9","10","5","6","2","1","1") = "9"
    & skf18("9","10","5","6","2","2","1") = "9"
    & skf18("9","10","5","6","2","3","1") = "9"
    & skf18("9","10","5","6","2","4","1") = "9"
    & skf18("9","10","5","6","2","5","1") = "9"
    & skf18("9","10","5","6","2","6","1") = "9"
    & skf18("9","10","5","6","2","7","1") = "9"
    & skf18("9","10","5","6","2","8","1") = "9"
    & skf18("9","10","5","6","2","9","1") = "9"
    & skf18("9","10","5","6","2","10","1") = "9"
    & skf18("9","10","5","6","3","1","1") = "9"
    & skf18("9","10","5","6","3","2","1") = "9"
    & skf18("9","10","5","6","3","3","1") = "9"
    & skf18("9","10","5","6","3","4","1") = "9"
    & skf18("9","10","5","6","3","5","1") = "9"
    & skf18("9","10","5","6","3","6","1") = "9"
    & skf18("9","10","5","6","3","7","1") = "9"
    & skf18("9","10","5","6","3","8","1") = "9"
    & skf18("9","10","5","6","3","9","1") = "9"
    & skf18("9","10","5","6","3","10","1") = "9"
    & skf18("9","10","5","6","4","1","1") = "9"
    & skf18("9","10","5","6","4","2","1") = "9"
    & skf18("9","10","5","6","4","3","1") = "9"
    & skf18("9","10","5","6","4","4","1") = "9"
    & skf18("9","10","5","6","4","5","1") = "9"
    & skf18("9","10","5","6","4","6","1") = "9"
    & skf18("9","10","5","6","4","7","1") = "9"
    & skf18("9","10","5","6","4","8","1") = "9"
    & skf18("9","10","5","6","4","9","1") = "9"
    & skf18("9","10","5","6","4","10","1") = "9"
    & skf18("9","10","5","6","5","1","1") = "9"
    & skf18("9","10","5","6","5","2","1") = "9"
    & skf18("9","10","5","6","5","3","1") = "9"
    & skf18("9","10","5","6","5","4","1") = "9"
    & skf18("9","10","5","6","5","5","1") = "9"
    & skf18("9","10","5","6","5","6","1") = "9"
    & skf18("9","10","5","6","5","7","1") = "9"
    & skf18("9","10","5","6","5","8","1") = "9"
    & skf18("9","10","5","6","5","9","1") = "9"
    & skf18("9","10","5","6","5","10","1") = "9"
    & skf18("9","10","5","6","6","1","1") = "9"
    & skf18("9","10","5","6","6","2","1") = "9"
    & skf18("9","10","5","6","6","3","1") = "9"
    & skf18("9","10","5","6","6","4","1") = "9"
    & skf18("9","10","5","6","6","5","1") = "9"
    & skf18("9","10","5","6","6","6","1") = "9"
    & skf18("9","10","5","6","6","7","1") = "9"
    & skf18("9","10","5","6","6","8","1") = "9"
    & skf18("9","10","5","6","6","9","1") = "9"
    & skf18("9","10","5","6","6","10","1") = "9"
    & skf18("9","10","5","6","7","1","1") = "9"
    & skf18("9","10","5","6","7","2","1") = "9"
    & skf18("9","10","5","6","7","3","1") = "9"
    & skf18("9","10","5","6","7","4","1") = "9"
    & skf18("9","10","5","6","7","5","1") = "9"
    & skf18("9","10","5","6","7","6","1") = "9"
    & skf18("9","10","5","6","7","7","1") = "9"
    & skf18("9","10","5","6","7","8","1") = "9"
    & skf18("9","10","5","6","7","9","1") = "9"
    & skf18("9","10","5","6","7","10","1") = "9"
    & skf18("9","10","5","6","8","1","1") = "9"
    & skf18("9","10","5","6","8","2","1") = "9"
    & skf18("9","10","5","6","8","3","1") = "9"
    & skf18("9","10","5","6","8","4","1") = "9"
    & skf18("9","10","5","6","8","5","1") = "9"
    & skf18("9","10","5","6","8","6","1") = "9"
    & skf18("9","10","5","6","8","7","1") = "9"
    & skf18("9","10","5","6","8","8","1") = "9"
    & skf18("9","10","5","6","8","9","1") = "9"
    & skf18("9","10","5","6","8","10","1") = "9"
    & skf18("9","10","5","6","9","1","1") = "9"
    & skf18("9","10","5","6","9","2","1") = "9"
    & skf18("9","10","5","6","9","3","1") = "9"
    & skf18("9","10","5","6","9","4","1") = "9"
    & skf18("9","10","5","6","9","5","1") = "9"
    & skf18("9","10","5","6","9","6","1") = "9"
    & skf18("9","10","5","6","9","7","1") = "9"
    & skf18("9","10","5","6","9","8","1") = "9"
    & skf18("9","10","5","6","9","9","1") = "9"
    & skf18("9","10","5","6","9","10","1") = "9"
    & skf18("9","10","5","6","10","1","1") = "9"
    & skf18("9","10","5","6","10","2","1") = "9"
    & skf18("9","10","5","6","10","3","1") = "9"
    & skf18("9","10","5","6","10","4","1") = "9"
    & skf18("9","10","5","6","10","5","1") = "9"
    & skf18("9","10","5","6","10","6","1") = "9"
    & skf18("9","10","5","6","10","7","1") = "9"
    & skf18("9","10","5","6","10","8","1") = "9"
    & skf18("9","10","5","6","10","9","1") = "9"
    & skf18("9","10","5","6","10","10","1") = "9"
    & skf18("9","10","5","7","1","1","1") = "9"
    & skf18("9","10","5","7","1","2","1") = "9"
    & skf18("9","10","5","7","1","3","1") = "9"
    & skf18("9","10","5","7","1","4","1") = "9"
    & skf18("9","10","5","7","1","5","1") = "9"
    & skf18("9","10","5","7","1","6","1") = "9"
    & skf18("9","10","5","7","1","7","1") = "9"
    & skf18("9","10","5","7","1","8","1") = "9"
    & skf18("9","10","5","7","1","9","1") = "9"
    & skf18("9","10","5","7","1","10","1") = "9"
    & skf18("9","10","5","7","2","1","1") = "9"
    & skf18("9","10","5","7","2","2","1") = "9"
    & skf18("9","10","5","7","2","3","1") = "9"
    & skf18("9","10","5","7","2","4","1") = "9"
    & skf18("9","10","5","7","2","5","1") = "9"
    & skf18("9","10","5","7","2","6","1") = "9"
    & skf18("9","10","5","7","2","7","1") = "9"
    & skf18("9","10","5","7","2","8","1") = "9"
    & skf18("9","10","5","7","2","9","1") = "9"
    & skf18("9","10","5","7","2","10","1") = "9"
    & skf18("9","10","5","7","3","1","1") = "9"
    & skf18("9","10","5","7","3","2","1") = "9"
    & skf18("9","10","5","7","3","3","1") = "9"
    & skf18("9","10","5","7","3","4","1") = "9"
    & skf18("9","10","5","7","3","5","1") = "9"
    & skf18("9","10","5","7","3","6","1") = "9"
    & skf18("9","10","5","7","3","7","1") = "9"
    & skf18("9","10","5","7","3","8","1") = "9"
    & skf18("9","10","5","7","3","9","1") = "9"
    & skf18("9","10","5","7","3","10","1") = "9"
    & skf18("9","10","5","7","4","1","1") = "9"
    & skf18("9","10","5","7","4","2","1") = "9"
    & skf18("9","10","5","7","4","3","1") = "9"
    & skf18("9","10","5","7","4","4","1") = "9"
    & skf18("9","10","5","7","4","5","1") = "9"
    & skf18("9","10","5","7","4","6","1") = "9"
    & skf18("9","10","5","7","4","7","1") = "9"
    & skf18("9","10","5","7","4","8","1") = "9"
    & skf18("9","10","5","7","4","9","1") = "9"
    & skf18("9","10","5","7","4","10","1") = "9"
    & skf18("9","10","5","7","5","1","1") = "9"
    & skf18("9","10","5","7","5","2","1") = "9"
    & skf18("9","10","5","7","5","3","1") = "9"
    & skf18("9","10","5","7","5","4","1") = "9"
    & skf18("9","10","5","7","5","5","1") = "9"
    & skf18("9","10","5","7","5","6","1") = "9"
    & skf18("9","10","5","7","5","7","1") = "9"
    & skf18("9","10","5","7","5","8","1") = "9"
    & skf18("9","10","5","7","5","9","1") = "9"
    & skf18("9","10","5","7","5","10","1") = "9"
    & skf18("9","10","5","7","6","1","1") = "9"
    & skf18("9","10","5","7","6","2","1") = "9"
    & skf18("9","10","5","7","6","3","1") = "9"
    & skf18("9","10","5","7","6","4","1") = "9"
    & skf18("9","10","5","7","6","5","1") = "9"
    & skf18("9","10","5","7","6","6","1") = "9"
    & skf18("9","10","5","7","6","7","1") = "9"
    & skf18("9","10","5","7","6","8","1") = "9"
    & skf18("9","10","5","7","6","9","1") = "9"
    & skf18("9","10","5","7","6","10","1") = "9"
    & skf18("9","10","5","7","7","1","1") = "9"
    & skf18("9","10","5","7","7","2","1") = "9"
    & skf18("9","10","5","7","7","3","1") = "9"
    & skf18("9","10","5","7","7","4","1") = "9"
    & skf18("9","10","5","7","7","5","1") = "9"
    & skf18("9","10","5","7","7","6","1") = "9"
    & skf18("9","10","5","7","7","7","1") = "9"
    & skf18("9","10","5","7","7","8","1") = "9"
    & skf18("9","10","5","7","7","9","1") = "9"
    & skf18("9","10","5","7","7","10","1") = "9"
    & skf18("9","10","5","7","8","1","1") = "9"
    & skf18("9","10","5","7","8","2","1") = "9"
    & skf18("9","10","5","7","8","3","1") = "9"
    & skf18("9","10","5","7","8","4","1") = "9"
    & skf18("9","10","5","7","8","5","1") = "9"
    & skf18("9","10","5","7","8","6","1") = "9"
    & skf18("9","10","5","7","8","7","1") = "9"
    & skf18("9","10","5","7","8","8","1") = "9"
    & skf18("9","10","5","7","8","9","1") = "9"
    & skf18("9","10","5","7","8","10","1") = "9"
    & skf18("9","10","5","7","9","1","1") = "9"
    & skf18("9","10","5","7","9","2","1") = "9"
    & skf18("9","10","5","7","9","3","1") = "9"
    & skf18("9","10","5","7","9","4","1") = "9"
    & skf18("9","10","5","7","9","5","1") = "9"
    & skf18("9","10","5","7","9","6","1") = "9"
    & skf18("9","10","5","7","9","7","1") = "9"
    & skf18("9","10","5","7","9","8","1") = "9"
    & skf18("9","10","5","7","9","9","1") = "9"
    & skf18("9","10","5","7","9","10","1") = "9"
    & skf18("9","10","5","7","10","1","1") = "9"
    & skf18("9","10","5","7","10","2","1") = "9"
    & skf18("9","10","5","7","10","3","1") = "9"
    & skf18("9","10","5","7","10","4","1") = "9"
    & skf18("9","10","5","7","10","5","1") = "9"
    & skf18("9","10","5","7","10","6","1") = "9"
    & skf18("9","10","5","7","10","7","1") = "9"
    & skf18("9","10","5","7","10","8","1") = "9"
    & skf18("9","10","5","7","10","9","1") = "9"
    & skf18("9","10","5","7","10","10","1") = "9"
    & skf18("9","10","5","8","1","1","1") = "9"
    & skf18("9","10","5","8","1","2","1") = "9"
    & skf18("9","10","5","8","1","3","1") = "9"
    & skf18("9","10","5","8","1","4","1") = "9"
    & skf18("9","10","5","8","1","5","1") = "9"
    & skf18("9","10","5","8","1","6","1") = "9"
    & skf18("9","10","5","8","1","7","1") = "9"
    & skf18("9","10","5","8","1","8","1") = "9"
    & skf18("9","10","5","8","1","9","1") = "9"
    & skf18("9","10","5","8","1","10","1") = "9"
    & skf18("9","10","5","8","2","1","1") = "9"
    & skf18("9","10","5","8","2","2","1") = "9"
    & skf18("9","10","5","8","2","3","1") = "9"
    & skf18("9","10","5","8","2","4","1") = "9"
    & skf18("9","10","5","8","2","5","1") = "9"
    & skf18("9","10","5","8","2","6","1") = "9"
    & skf18("9","10","5","8","2","7","1") = "9"
    & skf18("9","10","5","8","2","8","1") = "9"
    & skf18("9","10","5","8","2","9","1") = "9"
    & skf18("9","10","5","8","2","10","1") = "9"
    & skf18("9","10","5","8","3","1","1") = "9"
    & skf18("9","10","5","8","3","2","1") = "9"
    & skf18("9","10","5","8","3","3","1") = "9"
    & skf18("9","10","5","8","3","4","1") = "9"
    & skf18("9","10","5","8","3","5","1") = "9"
    & skf18("9","10","5","8","3","6","1") = "9"
    & skf18("9","10","5","8","3","7","1") = "9"
    & skf18("9","10","5","8","3","8","1") = "9"
    & skf18("9","10","5","8","3","9","1") = "9"
    & skf18("9","10","5","8","3","10","1") = "9"
    & skf18("9","10","5","8","4","1","1") = "9"
    & skf18("9","10","5","8","4","2","1") = "9"
    & skf18("9","10","5","8","4","3","1") = "9"
    & skf18("9","10","5","8","4","4","1") = "9"
    & skf18("9","10","5","8","4","5","1") = "9"
    & skf18("9","10","5","8","4","6","1") = "9"
    & skf18("9","10","5","8","4","7","1") = "9"
    & skf18("9","10","5","8","4","8","1") = "9"
    & skf18("9","10","5","8","4","9","1") = "9"
    & skf18("9","10","5","8","4","10","1") = "9"
    & skf18("9","10","5","8","5","1","1") = "9"
    & skf18("9","10","5","8","5","2","1") = "9"
    & skf18("9","10","5","8","5","3","1") = "9"
    & skf18("9","10","5","8","5","4","1") = "9"
    & skf18("9","10","5","8","5","5","1") = "9"
    & skf18("9","10","5","8","5","6","1") = "9"
    & skf18("9","10","5","8","5","7","1") = "9"
    & skf18("9","10","5","8","5","8","1") = "9"
    & skf18("9","10","5","8","5","9","1") = "9"
    & skf18("9","10","5","8","5","10","1") = "9"
    & skf18("9","10","5","8","6","1","1") = "9"
    & skf18("9","10","5","8","6","2","1") = "9"
    & skf18("9","10","5","8","6","3","1") = "9"
    & skf18("9","10","5","8","6","4","1") = "9"
    & skf18("9","10","5","8","6","5","1") = "9"
    & skf18("9","10","5","8","6","6","1") = "9"
    & skf18("9","10","5","8","6","7","1") = "9"
    & skf18("9","10","5","8","6","8","1") = "9"
    & skf18("9","10","5","8","6","9","1") = "9"
    & skf18("9","10","5","8","6","10","1") = "9"
    & skf18("9","10","5","8","7","1","1") = "9"
    & skf18("9","10","5","8","7","2","1") = "9"
    & skf18("9","10","5","8","7","3","1") = "9"
    & skf18("9","10","5","8","7","4","1") = "9"
    & skf18("9","10","5","8","7","5","1") = "9"
    & skf18("9","10","5","8","7","6","1") = "9"
    & skf18("9","10","5","8","7","7","1") = "9"
    & skf18("9","10","5","8","7","8","1") = "9"
    & skf18("9","10","5","8","7","9","1") = "9"
    & skf18("9","10","5","8","7","10","1") = "9"
    & skf18("9","10","5","8","8","1","1") = "9"
    & skf18("9","10","5","8","8","2","1") = "9"
    & skf18("9","10","5","8","8","3","1") = "9"
    & skf18("9","10","5","8","8","4","1") = "9"
    & skf18("9","10","5","8","8","5","1") = "9"
    & skf18("9","10","5","8","8","6","1") = "9"
    & skf18("9","10","5","8","8","7","1") = "9"
    & skf18("9","10","5","8","8","8","1") = "9"
    & skf18("9","10","5","8","8","9","1") = "9"
    & skf18("9","10","5","8","8","10","1") = "9"
    & skf18("9","10","5","8","9","1","1") = "9"
    & skf18("9","10","5","8","9","2","1") = "9"
    & skf18("9","10","5","8","9","3","1") = "9"
    & skf18("9","10","5","8","9","4","1") = "9"
    & skf18("9","10","5","8","9","5","1") = "9"
    & skf18("9","10","5","8","9","6","1") = "9"
    & skf18("9","10","5","8","9","7","1") = "9"
    & skf18("9","10","5","8","9","8","1") = "9"
    & skf18("9","10","5","8","9","9","1") = "9"
    & skf18("9","10","5","8","9","10","1") = "9"
    & skf18("9","10","5","8","10","1","1") = "9"
    & skf18("9","10","5","8","10","2","1") = "9"
    & skf18("9","10","5","8","10","3","1") = "9"
    & skf18("9","10","5","8","10","4","1") = "9"
    & skf18("9","10","5","8","10","5","1") = "9"
    & skf18("9","10","5","8","10","6","1") = "9"
    & skf18("9","10","5","8","10","7","1") = "9"
    & skf18("9","10","5","8","10","8","1") = "9"
    & skf18("9","10","5","8","10","9","1") = "9"
    & skf18("9","10","5","8","10","10","1") = "9"
    & skf18("9","10","5","9","1","1","1") = "9"
    & skf18("9","10","5","9","1","2","1") = "9"
    & skf18("9","10","5","9","1","3","1") = "9"
    & skf18("9","10","5","9","1","4","1") = "9"
    & skf18("9","10","5","9","1","5","1") = "9"
    & skf18("9","10","5","9","1","6","1") = "9"
    & skf18("9","10","5","9","1","7","1") = "9"
    & skf18("9","10","5","9","1","8","1") = "9"
    & skf18("9","10","5","9","1","9","1") = "9"
    & skf18("9","10","5","9","1","10","1") = "9"
    & skf18("9","10","5","9","2","1","1") = "9"
    & skf18("9","10","5","9","2","2","1") = "9"
    & skf18("9","10","5","9","2","3","1") = "9"
    & skf18("9","10","5","9","2","4","1") = "9"
    & skf18("9","10","5","9","2","5","1") = "9"
    & skf18("9","10","5","9","2","6","1") = "9"
    & skf18("9","10","5","9","2","7","1") = "9"
    & skf18("9","10","5","9","2","8","1") = "9"
    & skf18("9","10","5","9","2","9","1") = "9"
    & skf18("9","10","5","9","2","10","1") = "9"
    & skf18("9","10","5","9","3","1","1") = "9"
    & skf18("9","10","5","9","3","2","1") = "9"
    & skf18("9","10","5","9","3","3","1") = "9"
    & skf18("9","10","5","9","3","4","1") = "9"
    & skf18("9","10","5","9","3","5","1") = "9"
    & skf18("9","10","5","9","3","6","1") = "9"
    & skf18("9","10","5","9","3","7","1") = "9"
    & skf18("9","10","5","9","3","8","1") = "9"
    & skf18("9","10","5","9","3","9","1") = "9"
    & skf18("9","10","5","9","3","10","1") = "9"
    & skf18("9","10","5","9","4","1","1") = "9"
    & skf18("9","10","5","9","4","2","1") = "9"
    & skf18("9","10","5","9","4","3","1") = "9"
    & skf18("9","10","5","9","4","4","1") = "9"
    & skf18("9","10","5","9","4","5","1") = "9"
    & skf18("9","10","5","9","4","6","1") = "9"
    & skf18("9","10","5","9","4","7","1") = "9"
    & skf18("9","10","5","9","4","8","1") = "9"
    & skf18("9","10","5","9","4","9","1") = "9"
    & skf18("9","10","5","9","4","10","1") = "9"
    & skf18("9","10","5","9","5","1","1") = "9"
    & skf18("9","10","5","9","5","2","1") = "9"
    & skf18("9","10","5","9","5","3","1") = "9"
    & skf18("9","10","5","9","5","4","1") = "9"
    & skf18("9","10","5","9","5","5","1") = "9"
    & skf18("9","10","5","9","5","6","1") = "9"
    & skf18("9","10","5","9","5","7","1") = "9"
    & skf18("9","10","5","9","5","8","1") = "9"
    & skf18("9","10","5","9","5","9","1") = "9"
    & skf18("9","10","5","9","5","10","1") = "9"
    & skf18("9","10","5","9","6","1","1") = "9"
    & skf18("9","10","5","9","6","2","1") = "9"
    & skf18("9","10","5","9","6","3","1") = "9"
    & skf18("9","10","5","9","6","4","1") = "9"
    & skf18("9","10","5","9","6","5","1") = "9"
    & skf18("9","10","5","9","6","6","1") = "9"
    & skf18("9","10","5","9","6","7","1") = "9"
    & skf18("9","10","5","9","6","8","1") = "9"
    & skf18("9","10","5","9","6","9","1") = "9"
    & skf18("9","10","5","9","6","10","1") = "9"
    & skf18("9","10","5","9","7","1","1") = "9"
    & skf18("9","10","5","9","7","2","1") = "9"
    & skf18("9","10","5","9","7","3","1") = "9"
    & skf18("9","10","5","9","7","4","1") = "9"
    & skf18("9","10","5","9","7","5","1") = "9"
    & skf18("9","10","5","9","7","6","1") = "9"
    & skf18("9","10","5","9","7","7","1") = "9"
    & skf18("9","10","5","9","7","8","1") = "9"
    & skf18("9","10","5","9","7","9","1") = "9"
    & skf18("9","10","5","9","7","10","1") = "9"
    & skf18("9","10","5","9","8","1","1") = "9"
    & skf18("9","10","5","9","8","2","1") = "9"
    & skf18("9","10","5","9","8","3","1") = "9"
    & skf18("9","10","5","9","8","4","1") = "9"
    & skf18("9","10","5","9","8","5","1") = "9"
    & skf18("9","10","5","9","8","6","1") = "9"
    & skf18("9","10","5","9","8","7","1") = "9"
    & skf18("9","10","5","9","8","8","1") = "9"
    & skf18("9","10","5","9","8","9","1") = "9"
    & skf18("9","10","5","9","8","10","1") = "9"
    & skf18("9","10","5","9","9","1","1") = "9"
    & skf18("9","10","5","9","9","2","1") = "9"
    & skf18("9","10","5","9","9","3","1") = "9"
    & skf18("9","10","5","9","9","4","1") = "9"
    & skf18("9","10","5","9","9","5","1") = "9"
    & skf18("9","10","5","9","9","6","1") = "9"
    & skf18("9","10","5","9","9","7","1") = "9"
    & skf18("9","10","5","9","9","8","1") = "9"
    & skf18("9","10","5","9","9","9","1") = "9"
    & skf18("9","10","5","9","9","10","1") = "9"
    & skf18("9","10","5","9","10","1","1") = "9"
    & skf18("9","10","5","9","10","2","1") = "9"
    & skf18("9","10","5","9","10","3","1") = "9"
    & skf18("9","10","5","9","10","4","1") = "9"
    & skf18("9","10","5","9","10","5","1") = "9"
    & skf18("9","10","5","9","10","6","1") = "9"
    & skf18("9","10","5","9","10","7","1") = "9"
    & skf18("9","10","5","9","10","8","1") = "9"
    & skf18("9","10","5","9","10","9","1") = "9"
    & skf18("9","10","5","9","10","10","1") = "9"
    & skf18("9","10","5","10","1","1","1") = "9"
    & skf18("9","10","5","10","1","2","1") = "9"
    & skf18("9","10","5","10","1","3","1") = "9"
    & skf18("9","10","5","10","1","4","1") = "9"
    & skf18("9","10","5","10","1","5","1") = "9"
    & skf18("9","10","5","10","1","6","1") = "9"
    & skf18("9","10","5","10","1","7","1") = "9"
    & skf18("9","10","5","10","1","8","1") = "9"
    & skf18("9","10","5","10","1","9","1") = "9"
    & skf18("9","10","5","10","1","10","1") = "9"
    & skf18("9","10","5","10","2","1","1") = "9"
    & skf18("9","10","5","10","2","2","1") = "9"
    & skf18("9","10","5","10","2","3","1") = "9"
    & skf18("9","10","5","10","2","4","1") = "9"
    & skf18("9","10","5","10","2","5","1") = "9"
    & skf18("9","10","5","10","2","6","1") = "9"
    & skf18("9","10","5","10","2","7","1") = "9"
    & skf18("9","10","5","10","2","8","1") = "9"
    & skf18("9","10","5","10","2","9","1") = "9"
    & skf18("9","10","5","10","2","10","1") = "9"
    & skf18("9","10","5","10","3","1","1") = "9"
    & skf18("9","10","5","10","3","2","1") = "9"
    & skf18("9","10","5","10","3","3","1") = "9"
    & skf18("9","10","5","10","3","4","1") = "9"
    & skf18("9","10","5","10","3","5","1") = "9"
    & skf18("9","10","5","10","3","6","1") = "9"
    & skf18("9","10","5","10","3","7","1") = "9"
    & skf18("9","10","5","10","3","8","1") = "9"
    & skf18("9","10","5","10","3","9","1") = "9"
    & skf18("9","10","5","10","3","10","1") = "9"
    & skf18("9","10","5","10","4","1","1") = "9"
    & skf18("9","10","5","10","4","2","1") = "9"
    & skf18("9","10","5","10","4","3","1") = "9"
    & skf18("9","10","5","10","4","4","1") = "9"
    & skf18("9","10","5","10","4","5","1") = "9"
    & skf18("9","10","5","10","4","6","1") = "9"
    & skf18("9","10","5","10","4","7","1") = "9"
    & skf18("9","10","5","10","4","8","1") = "9"
    & skf18("9","10","5","10","4","9","1") = "9"
    & skf18("9","10","5","10","4","10","1") = "9"
    & skf18("9","10","5","10","5","1","1") = "9"
    & skf18("9","10","5","10","5","2","1") = "9"
    & skf18("9","10","5","10","5","3","1") = "9"
    & skf18("9","10","5","10","5","4","1") = "9"
    & skf18("9","10","5","10","5","5","1") = "9"
    & skf18("9","10","5","10","5","6","1") = "9"
    & skf18("9","10","5","10","5","7","1") = "9"
    & skf18("9","10","5","10","5","8","1") = "9"
    & skf18("9","10","5","10","5","9","1") = "9"
    & skf18("9","10","5","10","5","10","1") = "9"
    & skf18("9","10","5","10","6","1","1") = "9"
    & skf18("9","10","5","10","6","2","1") = "9"
    & skf18("9","10","5","10","6","3","1") = "9"
    & skf18("9","10","5","10","6","4","1") = "9"
    & skf18("9","10","5","10","6","5","1") = "9"
    & skf18("9","10","5","10","6","6","1") = "9"
    & skf18("9","10","5","10","6","7","1") = "9"
    & skf18("9","10","5","10","6","8","1") = "9"
    & skf18("9","10","5","10","6","9","1") = "9"
    & skf18("9","10","5","10","6","10","1") = "9"
    & skf18("9","10","5","10","7","1","1") = "9"
    & skf18("9","10","5","10","7","2","1") = "9"
    & skf18("9","10","5","10","7","3","1") = "9"
    & skf18("9","10","5","10","7","4","1") = "9"
    & skf18("9","10","5","10","7","5","1") = "9"
    & skf18("9","10","5","10","7","6","1") = "9"
    & skf18("9","10","5","10","7","7","1") = "9"
    & skf18("9","10","5","10","7","8","1") = "9"
    & skf18("9","10","5","10","7","9","1") = "9"
    & skf18("9","10","5","10","7","10","1") = "9"
    & skf18("9","10","5","10","8","1","1") = "9"
    & skf18("9","10","5","10","8","2","1") = "9"
    & skf18("9","10","5","10","8","3","1") = "9"
    & skf18("9","10","5","10","8","4","1") = "9"
    & skf18("9","10","5","10","8","5","1") = "9"
    & skf18("9","10","5","10","8","6","1") = "9"
    & skf18("9","10","5","10","8","7","1") = "9"
    & skf18("9","10","5","10","8","8","1") = "9"
    & skf18("9","10","5","10","8","9","1") = "9"
    & skf18("9","10","5","10","8","10","1") = "9"
    & skf18("9","10","5","10","9","1","1") = "9"
    & skf18("9","10","5","10","9","2","1") = "9"
    & skf18("9","10","5","10","9","3","1") = "9"
    & skf18("9","10","5","10","9","4","1") = "9"
    & skf18("9","10","5","10","9","5","1") = "9"
    & skf18("9","10","5","10","9","6","1") = "9"
    & skf18("9","10","5","10","9","7","1") = "9"
    & skf18("9","10","5","10","9","8","1") = "9"
    & skf18("9","10","5","10","9","9","1") = "9"
    & skf18("9","10","5","10","9","10","1") = "9"
    & skf18("9","10","5","10","10","1","1") = "9"
    & skf18("9","10","5","10","10","2","1") = "9"
    & skf18("9","10","5","10","10","3","1") = "9"
    & skf18("9","10","5","10","10","4","1") = "9"
    & skf18("9","10","5","10","10","5","1") = "9"
    & skf18("9","10","5","10","10","6","1") = "9"
    & skf18("9","10","5","10","10","7","1") = "9"
    & skf18("9","10","5","10","10","8","1") = "9"
    & skf18("9","10","5","10","10","9","1") = "9"
    & skf18("9","10","5","10","10","10","1") = "9"
    & skf18("9","10","6","1","1","1","1") = "9"
    & skf18("9","10","6","1","1","2","1") = "9"
    & skf18("9","10","6","1","1","3","1") = "9"
    & skf18("9","10","6","1","1","4","1") = "9"
    & skf18("9","10","6","1","1","5","1") = "9"
    & skf18("9","10","6","1","1","6","1") = "9"
    & skf18("9","10","6","1","1","7","1") = "9"
    & skf18("9","10","6","1","1","8","1") = "9"
    & skf18("9","10","6","1","1","9","1") = "9"
    & skf18("9","10","6","1","1","10","1") = "9"
    & skf18("9","10","6","1","2","1","1") = "9"
    & skf18("9","10","6","1","2","2","1") = "9"
    & skf18("9","10","6","1","2","3","1") = "9"
    & skf18("9","10","6","1","2","4","1") = "9"
    & skf18("9","10","6","1","2","5","1") = "9"
    & skf18("9","10","6","1","2","6","1") = "9"
    & skf18("9","10","6","1","2","7","1") = "9"
    & skf18("9","10","6","1","2","8","1") = "9"
    & skf18("9","10","6","1","2","9","1") = "9"
    & skf18("9","10","6","1","2","10","1") = "9"
    & skf18("9","10","6","1","3","1","1") = "9"
    & skf18("9","10","6","1","3","2","1") = "9"
    & skf18("9","10","6","1","3","3","1") = "9"
    & skf18("9","10","6","1","3","4","1") = "9"
    & skf18("9","10","6","1","3","5","1") = "9"
    & skf18("9","10","6","1","3","6","1") = "9"
    & skf18("9","10","6","1","3","7","1") = "9"
    & skf18("9","10","6","1","3","8","1") = "9"
    & skf18("9","10","6","1","3","9","1") = "9"
    & skf18("9","10","6","1","3","10","1") = "9"
    & skf18("9","10","6","1","4","1","1") = "9"
    & skf18("9","10","6","1","4","2","1") = "9"
    & skf18("9","10","6","1","4","3","1") = "9"
    & skf18("9","10","6","1","4","4","1") = "9"
    & skf18("9","10","6","1","4","5","1") = "9"
    & skf18("9","10","6","1","4","6","1") = "9"
    & skf18("9","10","6","1","4","7","1") = "9"
    & skf18("9","10","6","1","4","8","1") = "9"
    & skf18("9","10","6","1","4","9","1") = "9"
    & skf18("9","10","6","1","4","10","1") = "9"
    & skf18("9","10","6","1","5","1","1") = "9"
    & skf18("9","10","6","1","5","2","1") = "9"
    & skf18("9","10","6","1","5","3","1") = "9"
    & skf18("9","10","6","1","5","4","1") = "9"
    & skf18("9","10","6","1","5","5","1") = "9"
    & skf18("9","10","6","1","5","6","1") = "9"
    & skf18("9","10","6","1","5","7","1") = "9"
    & skf18("9","10","6","1","5","8","1") = "9"
    & skf18("9","10","6","1","5","9","1") = "9"
    & skf18("9","10","6","1","5","10","1") = "9"
    & skf18("9","10","6","1","6","1","1") = "9"
    & skf18("9","10","6","1","6","2","1") = "9"
    & skf18("9","10","6","1","6","3","1") = "9"
    & skf18("9","10","6","1","6","4","1") = "9"
    & skf18("9","10","6","1","6","5","1") = "9"
    & skf18("9","10","6","1","6","6","1") = "9"
    & skf18("9","10","6","1","6","7","1") = "9"
    & skf18("9","10","6","1","6","8","1") = "9"
    & skf18("9","10","6","1","6","9","1") = "9"
    & skf18("9","10","6","1","6","10","1") = "9"
    & skf18("9","10","6","1","7","1","1") = "9"
    & skf18("9","10","6","1","7","2","1") = "9"
    & skf18("9","10","6","1","7","3","1") = "9"
    & skf18("9","10","6","1","7","4","1") = "9"
    & skf18("9","10","6","1","7","5","1") = "9"
    & skf18("9","10","6","1","7","6","1") = "9"
    & skf18("9","10","6","1","7","7","1") = "9"
    & skf18("9","10","6","1","7","8","1") = "9"
    & skf18("9","10","6","1","7","9","1") = "9"
    & skf18("9","10","6","1","7","10","1") = "9"
    & skf18("9","10","6","1","8","1","1") = "9"
    & skf18("9","10","6","1","8","2","1") = "9"
    & skf18("9","10","6","1","8","3","1") = "9"
    & skf18("9","10","6","1","8","4","1") = "9"
    & skf18("9","10","6","1","8","5","1") = "9"
    & skf18("9","10","6","1","8","6","1") = "9"
    & skf18("9","10","6","1","8","7","1") = "9"
    & skf18("9","10","6","1","8","8","1") = "9"
    & skf18("9","10","6","1","8","9","1") = "9"
    & skf18("9","10","6","1","8","10","1") = "9"
    & skf18("9","10","6","1","9","1","1") = "9"
    & skf18("9","10","6","1","9","2","1") = "9"
    & skf18("9","10","6","1","9","3","1") = "9"
    & skf18("9","10","6","1","9","4","1") = "9"
    & skf18("9","10","6","1","9","5","1") = "9"
    & skf18("9","10","6","1","9","6","1") = "9"
    & skf18("9","10","6","1","9","7","1") = "9"
    & skf18("9","10","6","1","9","8","1") = "9"
    & skf18("9","10","6","1","9","9","1") = "9"
    & skf18("9","10","6","1","9","10","1") = "9"
    & skf18("9","10","6","1","10","1","1") = "9"
    & skf18("9","10","6","1","10","2","1") = "9"
    & skf18("9","10","6","1","10","3","1") = "9"
    & skf18("9","10","6","1","10","4","1") = "9"
    & skf18("9","10","6","1","10","5","1") = "9"
    & skf18("9","10","6","1","10","6","1") = "9"
    & skf18("9","10","6","1","10","7","1") = "9"
    & skf18("9","10","6","1","10","8","1") = "9"
    & skf18("9","10","6","1","10","9","1") = "9"
    & skf18("9","10","6","1","10","10","1") = "9"
    & skf18("9","10","6","2","1","1","1") = "9"
    & skf18("9","10","6","2","1","2","1") = "9"
    & skf18("9","10","6","2","1","3","1") = "9"
    & skf18("9","10","6","2","1","4","1") = "9"
    & skf18("9","10","6","2","1","5","1") = "9"
    & skf18("9","10","6","2","1","6","1") = "9"
    & skf18("9","10","6","2","1","7","1") = "9"
    & skf18("9","10","6","2","1","8","1") = "9"
    & skf18("9","10","6","2","1","9","1") = "9"
    & skf18("9","10","6","2","1","10","1") = "9"
    & skf18("9","10","6","2","2","1","1") = "9"
    & skf18("9","10","6","2","2","2","1") = "9"
    & skf18("9","10","6","2","2","3","1") = "9"
    & skf18("9","10","6","2","2","4","1") = "9"
    & skf18("9","10","6","2","2","5","1") = "9"
    & skf18("9","10","6","2","2","6","1") = "9"
    & skf18("9","10","6","2","2","7","1") = "9"
    & skf18("9","10","6","2","2","8","1") = "9"
    & skf18("9","10","6","2","2","9","1") = "9"
    & skf18("9","10","6","2","2","10","1") = "9"
    & skf18("9","10","6","2","3","1","1") = "9"
    & skf18("9","10","6","2","3","2","1") = "9"
    & skf18("9","10","6","2","3","3","1") = "9"
    & skf18("9","10","6","2","3","4","1") = "9"
    & skf18("9","10","6","2","3","5","1") = "9"
    & skf18("9","10","6","2","3","6","1") = "9"
    & skf18("9","10","6","2","3","7","1") = "9"
    & skf18("9","10","6","2","3","8","1") = "9"
    & skf18("9","10","6","2","3","9","1") = "9"
    & skf18("9","10","6","2","3","10","1") = "9"
    & skf18("9","10","6","2","4","1","1") = "9"
    & skf18("9","10","6","2","4","2","1") = "9"
    & skf18("9","10","6","2","4","3","1") = "9"
    & skf18("9","10","6","2","4","4","1") = "9"
    & skf18("9","10","6","2","4","5","1") = "9"
    & skf18("9","10","6","2","4","6","1") = "9"
    & skf18("9","10","6","2","4","7","1") = "9"
    & skf18("9","10","6","2","4","8","1") = "9"
    & skf18("9","10","6","2","4","9","1") = "9"
    & skf18("9","10","6","2","4","10","1") = "9"
    & skf18("9","10","6","2","5","1","1") = "9"
    & skf18("9","10","6","2","5","2","1") = "9"
    & skf18("9","10","6","2","5","3","1") = "9"
    & skf18("9","10","6","2","5","4","1") = "9"
    & skf18("9","10","6","2","5","5","1") = "9"
    & skf18("9","10","6","2","5","6","1") = "9"
    & skf18("9","10","6","2","5","7","1") = "9"
    & skf18("9","10","6","2","5","8","1") = "9"
    & skf18("9","10","6","2","5","9","1") = "9"
    & skf18("9","10","6","2","5","10","1") = "9"
    & skf18("9","10","6","2","6","1","1") = "9"
    & skf18("9","10","6","2","6","2","1") = "9"
    & skf18("9","10","6","2","6","3","1") = "9"
    & skf18("9","10","6","2","6","4","1") = "9"
    & skf18("9","10","6","2","6","5","1") = "9"
    & skf18("9","10","6","2","6","6","1") = "9"
    & skf18("9","10","6","2","6","7","1") = "9"
    & skf18("9","10","6","2","6","8","1") = "9"
    & skf18("9","10","6","2","6","9","1") = "9"
    & skf18("9","10","6","2","6","10","1") = "9"
    & skf18("9","10","6","2","7","1","1") = "9"
    & skf18("9","10","6","2","7","2","1") = "9"
    & skf18("9","10","6","2","7","3","1") = "9"
    & skf18("9","10","6","2","7","4","1") = "9"
    & skf18("9","10","6","2","7","5","1") = "9"
    & skf18("9","10","6","2","7","6","1") = "9"
    & skf18("9","10","6","2","7","7","1") = "9"
    & skf18("9","10","6","2","7","8","1") = "9"
    & skf18("9","10","6","2","7","9","1") = "9"
    & skf18("9","10","6","2","7","10","1") = "9"
    & skf18("9","10","6","2","8","1","1") = "9"
    & skf18("9","10","6","2","8","2","1") = "9"
    & skf18("9","10","6","2","8","3","1") = "9"
    & skf18("9","10","6","2","8","4","1") = "9"
    & skf18("9","10","6","2","8","5","1") = "9"
    & skf18("9","10","6","2","8","6","1") = "9"
    & skf18("9","10","6","2","8","7","1") = "9"
    & skf18("9","10","6","2","8","8","1") = "9"
    & skf18("9","10","6","2","8","9","1") = "9"
    & skf18("9","10","6","2","8","10","1") = "9"
    & skf18("9","10","6","2","9","1","1") = "9"
    & skf18("9","10","6","2","9","2","1") = "9"
    & skf18("9","10","6","2","9","3","1") = "9"
    & skf18("9","10","6","2","9","4","1") = "9"
    & skf18("9","10","6","2","9","5","1") = "9"
    & skf18("9","10","6","2","9","6","1") = "9"
    & skf18("9","10","6","2","9","7","1") = "9"
    & skf18("9","10","6","2","9","8","1") = "9"
    & skf18("9","10","6","2","9","9","1") = "9"
    & skf18("9","10","6","2","9","10","1") = "9"
    & skf18("9","10","6","2","10","1","1") = "9"
    & skf18("9","10","6","2","10","2","1") = "9"
    & skf18("9","10","6","2","10","3","1") = "9"
    & skf18("9","10","6","2","10","4","1") = "9"
    & skf18("9","10","6","2","10","5","1") = "9"
    & skf18("9","10","6","2","10","6","1") = "9"
    & skf18("9","10","6","2","10","7","1") = "9"
    & skf18("9","10","6","2","10","8","1") = "9"
    & skf18("9","10","6","2","10","9","1") = "9"
    & skf18("9","10","6","2","10","10","1") = "9"
    & skf18("9","10","6","3","1","1","1") = "9"
    & skf18("9","10","6","3","1","2","1") = "9"
    & skf18("9","10","6","3","1","3","1") = "9"
    & skf18("9","10","6","3","1","4","1") = "9"
    & skf18("9","10","6","3","1","5","1") = "9"
    & skf18("9","10","6","3","1","6","1") = "9"
    & skf18("9","10","6","3","1","7","1") = "9"
    & skf18("9","10","6","3","1","8","1") = "9"
    & skf18("9","10","6","3","1","9","1") = "9"
    & skf18("9","10","6","3","1","10","1") = "9"
    & skf18("9","10","6","3","2","1","1") = "9"
    & skf18("9","10","6","3","2","2","1") = "9"
    & skf18("9","10","6","3","2","3","1") = "9"
    & skf18("9","10","6","3","2","4","1") = "9"
    & skf18("9","10","6","3","2","5","1") = "9"
    & skf18("9","10","6","3","2","6","1") = "9"
    & skf18("9","10","6","3","2","7","1") = "9"
    & skf18("9","10","6","3","2","8","1") = "9"
    & skf18("9","10","6","3","2","9","1") = "9"
    & skf18("9","10","6","3","2","10","1") = "9"
    & skf18("9","10","6","3","3","1","1") = "9"
    & skf18("9","10","6","3","3","2","1") = "9"
    & skf18("9","10","6","3","3","3","1") = "9"
    & skf18("9","10","6","3","3","4","1") = "9"
    & skf18("9","10","6","3","3","5","1") = "9"
    & skf18("9","10","6","3","3","6","1") = "9"
    & skf18("9","10","6","3","3","7","1") = "9"
    & skf18("9","10","6","3","3","8","1") = "9"
    & skf18("9","10","6","3","3","9","1") = "9"
    & skf18("9","10","6","3","3","10","1") = "9"
    & skf18("9","10","6","3","4","1","1") = "9"
    & skf18("9","10","6","3","4","2","1") = "9"
    & skf18("9","10","6","3","4","3","1") = "9"
    & skf18("9","10","6","3","4","4","1") = "9"
    & skf18("9","10","6","3","4","5","1") = "9"
    & skf18("9","10","6","3","4","6","1") = "9"
    & skf18("9","10","6","3","4","7","1") = "9"
    & skf18("9","10","6","3","4","8","1") = "9"
    & skf18("9","10","6","3","4","9","1") = "9"
    & skf18("9","10","6","3","4","10","1") = "9"
    & skf18("9","10","6","3","5","1","1") = "9"
    & skf18("9","10","6","3","5","2","1") = "9"
    & skf18("9","10","6","3","5","3","1") = "9"
    & skf18("9","10","6","3","5","4","1") = "9"
    & skf18("9","10","6","3","5","5","1") = "9"
    & skf18("9","10","6","3","5","6","1") = "9"
    & skf18("9","10","6","3","5","7","1") = "9"
    & skf18("9","10","6","3","5","8","1") = "9"
    & skf18("9","10","6","3","5","9","1") = "9"
    & skf18("9","10","6","3","5","10","1") = "9"
    & skf18("9","10","6","3","6","1","1") = "9"
    & skf18("9","10","6","3","6","2","1") = "9"
    & skf18("9","10","6","3","6","3","1") = "9"
    & skf18("9","10","6","3","6","4","1") = "9"
    & skf18("9","10","6","3","6","5","1") = "9"
    & skf18("9","10","6","3","6","6","1") = "9"
    & skf18("9","10","6","3","6","7","1") = "9"
    & skf18("9","10","6","3","6","8","1") = "9"
    & skf18("9","10","6","3","6","9","1") = "9"
    & skf18("9","10","6","3","6","10","1") = "9"
    & skf18("9","10","6","3","7","1","1") = "9"
    & skf18("9","10","6","3","7","2","1") = "9"
    & skf18("9","10","6","3","7","3","1") = "9"
    & skf18("9","10","6","3","7","4","1") = "9"
    & skf18("9","10","6","3","7","5","1") = "9"
    & skf18("9","10","6","3","7","6","1") = "9"
    & skf18("9","10","6","3","7","7","1") = "9"
    & skf18("9","10","6","3","7","8","1") = "9"
    & skf18("9","10","6","3","7","9","1") = "9"
    & skf18("9","10","6","3","7","10","1") = "9"
    & skf18("9","10","6","3","8","1","1") = "9"
    & skf18("9","10","6","3","8","2","1") = "9"
    & skf18("9","10","6","3","8","3","1") = "9"
    & skf18("9","10","6","3","8","4","1") = "9"
    & skf18("9","10","6","3","8","5","1") = "9"
    & skf18("9","10","6","3","8","6","1") = "9"
    & skf18("9","10","6","3","8","7","1") = "9"
    & skf18("9","10","6","3","8","8","1") = "9"
    & skf18("9","10","6","3","8","9","1") = "9"
    & skf18("9","10","6","3","8","10","1") = "9"
    & skf18("9","10","6","3","9","1","1") = "9"
    & skf18("9","10","6","3","9","2","1") = "9"
    & skf18("9","10","6","3","9","3","1") = "9"
    & skf18("9","10","6","3","9","4","1") = "9"
    & skf18("9","10","6","3","9","5","1") = "9"
    & skf18("9","10","6","3","9","6","1") = "9"
    & skf18("9","10","6","3","9","7","1") = "9"
    & skf18("9","10","6","3","9","8","1") = "9"
    & skf18("9","10","6","3","9","9","1") = "9"
    & skf18("9","10","6","3","9","10","1") = "9"
    & skf18("9","10","6","3","10","1","1") = "9"
    & skf18("9","10","6","3","10","2","1") = "9"
    & skf18("9","10","6","3","10","3","1") = "9"
    & skf18("9","10","6","3","10","4","1") = "9"
    & skf18("9","10","6","3","10","5","1") = "9"
    & skf18("9","10","6","3","10","6","1") = "9"
    & skf18("9","10","6","3","10","7","1") = "9"
    & skf18("9","10","6","3","10","8","1") = "9"
    & skf18("9","10","6","3","10","9","1") = "9"
    & skf18("9","10","6","3","10","10","1") = "9"
    & skf18("9","10","6","4","1","1","1") = "9"
    & skf18("9","10","6","4","1","2","1") = "9"
    & skf18("9","10","6","4","1","3","1") = "9"
    & skf18("9","10","6","4","1","4","1") = "9"
    & skf18("9","10","6","4","1","5","1") = "9"
    & skf18("9","10","6","4","1","6","1") = "9"
    & skf18("9","10","6","4","1","7","1") = "9"
    & skf18("9","10","6","4","1","8","1") = "9"
    & skf18("9","10","6","4","1","9","1") = "9"
    & skf18("9","10","6","4","1","10","1") = "9"
    & skf18("9","10","6","4","2","1","1") = "9"
    & skf18("9","10","6","4","2","2","1") = "9"
    & skf18("9","10","6","4","2","3","1") = "9"
    & skf18("9","10","6","4","2","4","1") = "9"
    & skf18("9","10","6","4","2","5","1") = "9"
    & skf18("9","10","6","4","2","6","1") = "9"
    & skf18("9","10","6","4","2","7","1") = "9"
    & skf18("9","10","6","4","2","8","1") = "9"
    & skf18("9","10","6","4","2","9","1") = "9"
    & skf18("9","10","6","4","2","10","1") = "9"
    & skf18("9","10","6","4","3","1","1") = "9"
    & skf18("9","10","6","4","3","2","1") = "9"
    & skf18("9","10","6","4","3","3","1") = "9"
    & skf18("9","10","6","4","3","4","1") = "9"
    & skf18("9","10","6","4","3","5","1") = "9"
    & skf18("9","10","6","4","3","6","1") = "9"
    & skf18("9","10","6","4","3","7","1") = "9"
    & skf18("9","10","6","4","3","8","1") = "9"
    & skf18("9","10","6","4","3","9","1") = "9"
    & skf18("9","10","6","4","3","10","1") = "9"
    & skf18("9","10","6","4","4","1","1") = "9"
    & skf18("9","10","6","4","4","2","1") = "9"
    & skf18("9","10","6","4","4","3","1") = "9"
    & skf18("9","10","6","4","4","4","1") = "9"
    & skf18("9","10","6","4","4","5","1") = "9"
    & skf18("9","10","6","4","4","6","1") = "9"
    & skf18("9","10","6","4","4","7","1") = "9"
    & skf18("9","10","6","4","4","8","1") = "9"
    & skf18("9","10","6","4","4","9","1") = "9"
    & skf18("9","10","6","4","4","10","1") = "9"
    & skf18("9","10","6","4","5","1","1") = "9"
    & skf18("9","10","6","4","5","2","1") = "9"
    & skf18("9","10","6","4","5","3","1") = "9"
    & skf18("9","10","6","4","5","4","1") = "9"
    & skf18("9","10","6","4","5","5","1") = "9"
    & skf18("9","10","6","4","5","6","1") = "9"
    & skf18("9","10","6","4","5","7","1") = "9"
    & skf18("9","10","6","4","5","8","1") = "9"
    & skf18("9","10","6","4","5","9","1") = "9"
    & skf18("9","10","6","4","5","10","1") = "9"
    & skf18("9","10","6","4","6","1","1") = "9"
    & skf18("9","10","6","4","6","2","1") = "9"
    & skf18("9","10","6","4","6","3","1") = "9"
    & skf18("9","10","6","4","6","4","1") = "9"
    & skf18("9","10","6","4","6","5","1") = "9"
    & skf18("9","10","6","4","6","6","1") = "9"
    & skf18("9","10","6","4","6","7","1") = "9"
    & skf18("9","10","6","4","6","8","1") = "9"
    & skf18("9","10","6","4","6","9","1") = "9"
    & skf18("9","10","6","4","6","10","1") = "9"
    & skf18("9","10","6","4","7","1","1") = "9"
    & skf18("9","10","6","4","7","2","1") = "9"
    & skf18("9","10","6","4","7","3","1") = "9"
    & skf18("9","10","6","4","7","4","1") = "9"
    & skf18("9","10","6","4","7","5","1") = "9"
    & skf18("9","10","6","4","7","6","1") = "9"
    & skf18("9","10","6","4","7","7","1") = "9"
    & skf18("9","10","6","4","7","8","1") = "9"
    & skf18("9","10","6","4","7","9","1") = "9"
    & skf18("9","10","6","4","7","10","1") = "9"
    & skf18("9","10","6","4","8","1","1") = "9"
    & skf18("9","10","6","4","8","2","1") = "9"
    & skf18("9","10","6","4","8","3","1") = "9"
    & skf18("9","10","6","4","8","4","1") = "9"
    & skf18("9","10","6","4","8","5","1") = "9"
    & skf18("9","10","6","4","8","6","1") = "9"
    & skf18("9","10","6","4","8","7","1") = "9"
    & skf18("9","10","6","4","8","8","1") = "9"
    & skf18("9","10","6","4","8","9","1") = "9"
    & skf18("9","10","6","4","8","10","1") = "9"
    & skf18("9","10","6","4","9","1","1") = "9"
    & skf18("9","10","6","4","9","2","1") = "9"
    & skf18("9","10","6","4","9","3","1") = "9"
    & skf18("9","10","6","4","9","4","1") = "9"
    & skf18("9","10","6","4","9","5","1") = "9"
    & skf18("9","10","6","4","9","6","1") = "9"
    & skf18("9","10","6","4","9","7","1") = "9"
    & skf18("9","10","6","4","9","8","1") = "9"
    & skf18("9","10","6","4","9","9","1") = "9"
    & skf18("9","10","6","4","9","10","1") = "9"
    & skf18("9","10","6","4","10","1","1") = "9"
    & skf18("9","10","6","4","10","2","1") = "9"
    & skf18("9","10","6","4","10","3","1") = "9"
    & skf18("9","10","6","4","10","4","1") = "9"
    & skf18("9","10","6","4","10","5","1") = "9"
    & skf18("9","10","6","4","10","6","1") = "9"
    & skf18("9","10","6","4","10","7","1") = "9"
    & skf18("9","10","6","4","10","8","1") = "9"
    & skf18("9","10","6","4","10","9","1") = "9"
    & skf18("9","10","6","4","10","10","1") = "9"
    & skf18("9","10","6","5","1","1","1") = "9"
    & skf18("9","10","6","5","1","2","1") = "9"
    & skf18("9","10","6","5","1","3","1") = "9"
    & skf18("9","10","6","5","1","4","1") = "9"
    & skf18("9","10","6","5","1","5","1") = "9"
    & skf18("9","10","6","5","1","6","1") = "9"
    & skf18("9","10","6","5","1","7","1") = "9"
    & skf18("9","10","6","5","1","8","1") = "9"
    & skf18("9","10","6","5","1","9","1") = "9"
    & skf18("9","10","6","5","1","10","1") = "9"
    & skf18("9","10","6","5","2","1","1") = "9"
    & skf18("9","10","6","5","2","2","1") = "9"
    & skf18("9","10","6","5","2","3","1") = "9"
    & skf18("9","10","6","5","2","4","1") = "9"
    & skf18("9","10","6","5","2","5","1") = "9"
    & skf18("9","10","6","5","2","6","1") = "9"
    & skf18("9","10","6","5","2","7","1") = "9"
    & skf18("9","10","6","5","2","8","1") = "9"
    & skf18("9","10","6","5","2","9","1") = "9"
    & skf18("9","10","6","5","2","10","1") = "9"
    & skf18("9","10","6","5","3","1","1") = "9"
    & skf18("9","10","6","5","3","2","1") = "9"
    & skf18("9","10","6","5","3","3","1") = "9"
    & skf18("9","10","6","5","3","4","1") = "9"
    & skf18("9","10","6","5","3","5","1") = "9"
    & skf18("9","10","6","5","3","6","1") = "9"
    & skf18("9","10","6","5","3","7","1") = "9"
    & skf18("9","10","6","5","3","8","1") = "9"
    & skf18("9","10","6","5","3","9","1") = "9"
    & skf18("9","10","6","5","3","10","1") = "9"
    & skf18("9","10","6","5","4","1","1") = "9"
    & skf18("9","10","6","5","4","2","1") = "9"
    & skf18("9","10","6","5","4","3","1") = "9"
    & skf18("9","10","6","5","4","4","1") = "9"
    & skf18("9","10","6","5","4","5","1") = "9"
    & skf18("9","10","6","5","4","6","1") = "9"
    & skf18("9","10","6","5","4","7","1") = "9"
    & skf18("9","10","6","5","4","8","1") = "9"
    & skf18("9","10","6","5","4","9","1") = "9"
    & skf18("9","10","6","5","4","10","1") = "9"
    & skf18("9","10","6","5","5","1","1") = "9"
    & skf18("9","10","6","5","5","2","1") = "9"
    & skf18("9","10","6","5","5","3","1") = "9"
    & skf18("9","10","6","5","5","4","1") = "9"
    & skf18("9","10","6","5","5","5","1") = "9"
    & skf18("9","10","6","5","5","6","1") = "9"
    & skf18("9","10","6","5","5","7","1") = "9"
    & skf18("9","10","6","5","5","8","1") = "9"
    & skf18("9","10","6","5","5","9","1") = "9"
    & skf18("9","10","6","5","5","10","1") = "9"
    & skf18("9","10","6","5","6","1","1") = "9"
    & skf18("9","10","6","5","6","2","1") = "9"
    & skf18("9","10","6","5","6","3","1") = "9"
    & skf18("9","10","6","5","6","4","1") = "9"
    & skf18("9","10","6","5","6","5","1") = "9"
    & skf18("9","10","6","5","6","6","1") = "9"
    & skf18("9","10","6","5","6","7","1") = "9"
    & skf18("9","10","6","5","6","8","1") = "9"
    & skf18("9","10","6","5","6","9","1") = "9"
    & skf18("9","10","6","5","6","10","1") = "9"
    & skf18("9","10","6","5","7","1","1") = "9"
    & skf18("9","10","6","5","7","2","1") = "9"
    & skf18("9","10","6","5","7","3","1") = "9"
    & skf18("9","10","6","5","7","4","1") = "9"
    & skf18("9","10","6","5","7","5","1") = "9"
    & skf18("9","10","6","5","7","6","1") = "9"
    & skf18("9","10","6","5","7","7","1") = "9"
    & skf18("9","10","6","5","7","8","1") = "9"
    & skf18("9","10","6","5","7","9","1") = "9"
    & skf18("9","10","6","5","7","10","1") = "9"
    & skf18("9","10","6","5","8","1","1") = "9"
    & skf18("9","10","6","5","8","2","1") = "9"
    & skf18("9","10","6","5","8","3","1") = "9"
    & skf18("9","10","6","5","8","4","1") = "9"
    & skf18("9","10","6","5","8","5","1") = "9"
    & skf18("9","10","6","5","8","6","1") = "9"
    & skf18("9","10","6","5","8","7","1") = "9"
    & skf18("9","10","6","5","8","8","1") = "9"
    & skf18("9","10","6","5","8","9","1") = "9"
    & skf18("9","10","6","5","8","10","1") = "9"
    & skf18("9","10","6","5","9","1","1") = "9"
    & skf18("9","10","6","5","9","2","1") = "9"
    & skf18("9","10","6","5","9","3","1") = "9"
    & skf18("9","10","6","5","9","4","1") = "9"
    & skf18("9","10","6","5","9","5","1") = "9"
    & skf18("9","10","6","5","9","6","1") = "9"
    & skf18("9","10","6","5","9","7","1") = "9"
    & skf18("9","10","6","5","9","8","1") = "9"
    & skf18("9","10","6","5","9","9","1") = "9"
    & skf18("9","10","6","5","9","10","1") = "9"
    & skf18("9","10","6","5","10","1","1") = "9"
    & skf18("9","10","6","5","10","2","1") = "9"
    & skf18("9","10","6","5","10","3","1") = "9"
    & skf18("9","10","6","5","10","4","1") = "9"
    & skf18("9","10","6","5","10","5","1") = "9"
    & skf18("9","10","6","5","10","6","1") = "9"
    & skf18("9","10","6","5","10","7","1") = "9"
    & skf18("9","10","6","5","10","8","1") = "9"
    & skf18("9","10","6","5","10","9","1") = "9"
    & skf18("9","10","6","5","10","10","1") = "9"
    & skf18("9","10","6","6","1","1","1") = "9"
    & skf18("9","10","6","6","1","2","1") = "9"
    & skf18("9","10","6","6","1","3","1") = "9"
    & skf18("9","10","6","6","1","4","1") = "9"
    & skf18("9","10","6","6","1","5","1") = "9"
    & skf18("9","10","6","6","1","6","1") = "9"
    & skf18("9","10","6","6","1","7","1") = "9"
    & skf18("9","10","6","6","1","8","1") = "9"
    & skf18("9","10","6","6","1","9","1") = "9"
    & skf18("9","10","6","6","1","10","1") = "9"
    & skf18("9","10","6","6","2","1","1") = "9"
    & skf18("9","10","6","6","2","2","1") = "9"
    & skf18("9","10","6","6","2","3","1") = "9"
    & skf18("9","10","6","6","2","4","1") = "9"
    & skf18("9","10","6","6","2","5","1") = "9"
    & skf18("9","10","6","6","2","6","1") = "9"
    & skf18("9","10","6","6","2","7","1") = "9"
    & skf18("9","10","6","6","2","8","1") = "9"
    & skf18("9","10","6","6","2","9","1") = "9"
    & skf18("9","10","6","6","2","10","1") = "9"
    & skf18("9","10","6","6","3","1","1") = "9"
    & skf18("9","10","6","6","3","2","1") = "9"
    & skf18("9","10","6","6","3","3","1") = "9"
    & skf18("9","10","6","6","3","4","1") = "9"
    & skf18("9","10","6","6","3","5","1") = "9"
    & skf18("9","10","6","6","3","6","1") = "9"
    & skf18("9","10","6","6","3","7","1") = "9"
    & skf18("9","10","6","6","3","8","1") = "9"
    & skf18("9","10","6","6","3","9","1") = "9"
    & skf18("9","10","6","6","3","10","1") = "9"
    & skf18("9","10","6","6","4","1","1") = "9"
    & skf18("9","10","6","6","4","2","1") = "9"
    & skf18("9","10","6","6","4","3","1") = "9"
    & skf18("9","10","6","6","4","4","1") = "9"
    & skf18("9","10","6","6","4","5","1") = "9"
    & skf18("9","10","6","6","4","6","1") = "9"
    & skf18("9","10","6","6","4","7","1") = "9"
    & skf18("9","10","6","6","4","8","1") = "9"
    & skf18("9","10","6","6","4","9","1") = "9"
    & skf18("9","10","6","6","4","10","1") = "9"
    & skf18("9","10","6","6","5","1","1") = "9"
    & skf18("9","10","6","6","5","2","1") = "9"
    & skf18("9","10","6","6","5","3","1") = "9"
    & skf18("9","10","6","6","5","4","1") = "9"
    & skf18("9","10","6","6","5","5","1") = "9"
    & skf18("9","10","6","6","5","6","1") = "9"
    & skf18("9","10","6","6","5","7","1") = "9"
    & skf18("9","10","6","6","5","8","1") = "9"
    & skf18("9","10","6","6","5","9","1") = "9"
    & skf18("9","10","6","6","5","10","1") = "9"
    & skf18("9","10","6","6","6","1","1") = "9"
    & skf18("9","10","6","6","6","2","1") = "9"
    & skf18("9","10","6","6","6","3","1") = "9"
    & skf18("9","10","6","6","6","4","1") = "9"
    & skf18("9","10","6","6","6","5","1") = "9"
    & skf18("9","10","6","6","6","6","1") = "9"
    & skf18("9","10","6","6","6","7","1") = "9"
    & skf18("9","10","6","6","6","8","1") = "9"
    & skf18("9","10","6","6","6","9","1") = "9"
    & skf18("9","10","6","6","6","10","1") = "9"
    & skf18("9","10","6","6","7","1","1") = "9"
    & skf18("9","10","6","6","7","2","1") = "9"
    & skf18("9","10","6","6","7","3","1") = "9"
    & skf18("9","10","6","6","7","4","1") = "9"
    & skf18("9","10","6","6","7","5","1") = "9"
    & skf18("9","10","6","6","7","6","1") = "9"
    & skf18("9","10","6","6","7","7","1") = "9"
    & skf18("9","10","6","6","7","8","1") = "9"
    & skf18("9","10","6","6","7","9","1") = "9"
    & skf18("9","10","6","6","7","10","1") = "9"
    & skf18("9","10","6","6","8","1","1") = "9"
    & skf18("9","10","6","6","8","2","1") = "9"
    & skf18("9","10","6","6","8","3","1") = "9"
    & skf18("9","10","6","6","8","4","1") = "9"
    & skf18("9","10","6","6","8","5","1") = "9"
    & skf18("9","10","6","6","8","6","1") = "9"
    & skf18("9","10","6","6","8","7","1") = "9"
    & skf18("9","10","6","6","8","8","1") = "9"
    & skf18("9","10","6","6","8","9","1") = "9"
    & skf18("9","10","6","6","8","10","1") = "9"
    & skf18("9","10","6","6","9","1","1") = "9"
    & skf18("9","10","6","6","9","2","1") = "9"
    & skf18("9","10","6","6","9","3","1") = "9"
    & skf18("9","10","6","6","9","4","1") = "9"
    & skf18("9","10","6","6","9","5","1") = "9"
    & skf18("9","10","6","6","9","6","1") = "9"
    & skf18("9","10","6","6","9","7","1") = "9"
    & skf18("9","10","6","6","9","8","1") = "9"
    & skf18("9","10","6","6","9","9","1") = "9"
    & skf18("9","10","6","6","9","10","1") = "9"
    & skf18("9","10","6","6","10","1","1") = "9"
    & skf18("9","10","6","6","10","2","1") = "9"
    & skf18("9","10","6","6","10","3","1") = "9"
    & skf18("9","10","6","6","10","4","1") = "9"
    & skf18("9","10","6","6","10","5","1") = "9"
    & skf18("9","10","6","6","10","6","1") = "9"
    & skf18("9","10","6","6","10","7","1") = "9"
    & skf18("9","10","6","6","10","8","1") = "9"
    & skf18("9","10","6","6","10","9","1") = "9"
    & skf18("9","10","6","6","10","10","1") = "9"
    & skf18("9","10","6","7","1","1","1") = "9"
    & skf18("9","10","6","7","1","2","1") = "9"
    & skf18("9","10","6","7","1","3","1") = "9"
    & skf18("9","10","6","7","1","4","1") = "9"
    & skf18("9","10","6","7","1","5","1") = "9"
    & skf18("9","10","6","7","1","6","1") = "9"
    & skf18("9","10","6","7","1","7","1") = "9"
    & skf18("9","10","6","7","1","8","1") = "9"
    & skf18("9","10","6","7","1","9","1") = "9"
    & skf18("9","10","6","7","1","10","1") = "9"
    & skf18("9","10","6","7","2","1","1") = "9"
    & skf18("9","10","6","7","2","2","1") = "9"
    & skf18("9","10","6","7","2","3","1") = "9"
    & skf18("9","10","6","7","2","4","1") = "9"
    & skf18("9","10","6","7","2","5","1") = "9"
    & skf18("9","10","6","7","2","6","1") = "9"
    & skf18("9","10","6","7","2","7","1") = "9"
    & skf18("9","10","6","7","2","8","1") = "9"
    & skf18("9","10","6","7","2","9","1") = "9"
    & skf18("9","10","6","7","2","10","1") = "9"
    & skf18("9","10","6","7","3","1","1") = "9"
    & skf18("9","10","6","7","3","2","1") = "9"
    & skf18("9","10","6","7","3","3","1") = "9"
    & skf18("9","10","6","7","3","4","1") = "9"
    & skf18("9","10","6","7","3","5","1") = "9"
    & skf18("9","10","6","7","3","6","1") = "9"
    & skf18("9","10","6","7","3","7","1") = "9"
    & skf18("9","10","6","7","3","8","1") = "9"
    & skf18("9","10","6","7","3","9","1") = "9"
    & skf18("9","10","6","7","3","10","1") = "9"
    & skf18("9","10","6","7","4","1","1") = "9"
    & skf18("9","10","6","7","4","2","1") = "9"
    & skf18("9","10","6","7","4","3","1") = "9"
    & skf18("9","10","6","7","4","4","1") = "9"
    & skf18("9","10","6","7","4","5","1") = "9"
    & skf18("9","10","6","7","4","6","1") = "9"
    & skf18("9","10","6","7","4","7","1") = "9"
    & skf18("9","10","6","7","4","8","1") = "9"
    & skf18("9","10","6","7","4","9","1") = "9"
    & skf18("9","10","6","7","4","10","1") = "9"
    & skf18("9","10","6","7","5","1","1") = "9"
    & skf18("9","10","6","7","5","2","1") = "9"
    & skf18("9","10","6","7","5","3","1") = "9"
    & skf18("9","10","6","7","5","4","1") = "9"
    & skf18("9","10","6","7","5","5","1") = "9"
    & skf18("9","10","6","7","5","6","1") = "9"
    & skf18("9","10","6","7","5","7","1") = "9"
    & skf18("9","10","6","7","5","8","1") = "9"
    & skf18("9","10","6","7","5","9","1") = "9"
    & skf18("9","10","6","7","5","10","1") = "9"
    & skf18("9","10","6","7","6","1","1") = "9"
    & skf18("9","10","6","7","6","2","1") = "9"
    & skf18("9","10","6","7","6","3","1") = "9"
    & skf18("9","10","6","7","6","4","1") = "9"
    & skf18("9","10","6","7","6","5","1") = "9"
    & skf18("9","10","6","7","6","6","1") = "9"
    & skf18("9","10","6","7","6","7","1") = "9"
    & skf18("9","10","6","7","6","8","1") = "9"
    & skf18("9","10","6","7","6","9","1") = "9"
    & skf18("9","10","6","7","6","10","1") = "9"
    & skf18("9","10","6","7","7","1","1") = "9"
    & skf18("9","10","6","7","7","2","1") = "9"
    & skf18("9","10","6","7","7","3","1") = "9"
    & skf18("9","10","6","7","7","4","1") = "9"
    & skf18("9","10","6","7","7","5","1") = "9"
    & skf18("9","10","6","7","7","6","1") = "9"
    & skf18("9","10","6","7","7","7","1") = "9"
    & skf18("9","10","6","7","7","8","1") = "9"
    & skf18("9","10","6","7","7","9","1") = "9"
    & skf18("9","10","6","7","7","10","1") = "9"
    & skf18("9","10","6","7","8","1","1") = "9"
    & skf18("9","10","6","7","8","2","1") = "9"
    & skf18("9","10","6","7","8","3","1") = "9"
    & skf18("9","10","6","7","8","4","1") = "9"
    & skf18("9","10","6","7","8","5","1") = "9"
    & skf18("9","10","6","7","8","6","1") = "9"
    & skf18("9","10","6","7","8","7","1") = "9"
    & skf18("9","10","6","7","8","8","1") = "9"
    & skf18("9","10","6","7","8","9","1") = "9"
    & skf18("9","10","6","7","8","10","1") = "9"
    & skf18("9","10","6","7","9","1","1") = "9"
    & skf18("9","10","6","7","9","2","1") = "9"
    & skf18("9","10","6","7","9","3","1") = "9"
    & skf18("9","10","6","7","9","4","1") = "9"
    & skf18("9","10","6","7","9","5","1") = "9"
    & skf18("9","10","6","7","9","6","1") = "9"
    & skf18("9","10","6","7","9","7","1") = "9"
    & skf18("9","10","6","7","9","8","1") = "9"
    & skf18("9","10","6","7","9","9","1") = "9"
    & skf18("9","10","6","7","9","10","1") = "9"
    & skf18("9","10","6","7","10","1","1") = "9"
    & skf18("9","10","6","7","10","2","1") = "9"
    & skf18("9","10","6","7","10","3","1") = "9"
    & skf18("9","10","6","7","10","4","1") = "9"
    & skf18("9","10","6","7","10","5","1") = "9"
    & skf18("9","10","6","7","10","6","1") = "9"
    & skf18("9","10","6","7","10","7","1") = "9"
    & skf18("9","10","6","7","10","8","1") = "9"
    & skf18("9","10","6","7","10","9","1") = "9"
    & skf18("9","10","6","7","10","10","1") = "9"
    & skf18("9","10","6","8","1","1","1") = "9"
    & skf18("9","10","6","8","1","2","1") = "9"
    & skf18("9","10","6","8","1","3","1") = "9"
    & skf18("9","10","6","8","1","4","1") = "9"
    & skf18("9","10","6","8","1","5","1") = "9"
    & skf18("9","10","6","8","1","6","1") = "9"
    & skf18("9","10","6","8","1","7","1") = "9"
    & skf18("9","10","6","8","1","8","1") = "9"
    & skf18("9","10","6","8","1","9","1") = "9"
    & skf18("9","10","6","8","1","10","1") = "9"
    & skf18("9","10","6","8","2","1","1") = "9"
    & skf18("9","10","6","8","2","2","1") = "9"
    & skf18("9","10","6","8","2","3","1") = "9"
    & skf18("9","10","6","8","2","4","1") = "9"
    & skf18("9","10","6","8","2","5","1") = "9"
    & skf18("9","10","6","8","2","6","1") = "9"
    & skf18("9","10","6","8","2","7","1") = "9"
    & skf18("9","10","6","8","2","8","1") = "9"
    & skf18("9","10","6","8","2","9","1") = "9"
    & skf18("9","10","6","8","2","10","1") = "9"
    & skf18("9","10","6","8","3","1","1") = "9"
    & skf18("9","10","6","8","3","2","1") = "9"
    & skf18("9","10","6","8","3","3","1") = "9"
    & skf18("9","10","6","8","3","4","1") = "9"
    & skf18("9","10","6","8","3","5","1") = "9"
    & skf18("9","10","6","8","3","6","1") = "9"
    & skf18("9","10","6","8","3","7","1") = "9"
    & skf18("9","10","6","8","3","8","1") = "9"
    & skf18("9","10","6","8","3","9","1") = "9"
    & skf18("9","10","6","8","3","10","1") = "9"
    & skf18("9","10","6","8","4","1","1") = "9"
    & skf18("9","10","6","8","4","2","1") = "9"
    & skf18("9","10","6","8","4","3","1") = "9"
    & skf18("9","10","6","8","4","4","1") = "9"
    & skf18("9","10","6","8","4","5","1") = "9"
    & skf18("9","10","6","8","4","6","1") = "9"
    & skf18("9","10","6","8","4","7","1") = "9"
    & skf18("9","10","6","8","4","8","1") = "9"
    & skf18("9","10","6","8","4","9","1") = "9"
    & skf18("9","10","6","8","4","10","1") = "9"
    & skf18("9","10","6","8","5","1","1") = "9"
    & skf18("9","10","6","8","5","2","1") = "9"
    & skf18("9","10","6","8","5","3","1") = "9"
    & skf18("9","10","6","8","5","4","1") = "9"
    & skf18("9","10","6","8","5","5","1") = "9"
    & skf18("9","10","6","8","5","6","1") = "9"
    & skf18("9","10","6","8","5","7","1") = "9"
    & skf18("9","10","6","8","5","8","1") = "9"
    & skf18("9","10","6","8","5","9","1") = "9"
    & skf18("9","10","6","8","5","10","1") = "9"
    & skf18("9","10","6","8","6","1","1") = "9"
    & skf18("9","10","6","8","6","2","1") = "9"
    & skf18("9","10","6","8","6","3","1") = "9"
    & skf18("9","10","6","8","6","4","1") = "9"
    & skf18("9","10","6","8","6","5","1") = "9"
    & skf18("9","10","6","8","6","6","1") = "9"
    & skf18("9","10","6","8","6","7","1") = "9"
    & skf18("9","10","6","8","6","8","1") = "9"
    & skf18("9","10","6","8","6","9","1") = "9"
    & skf18("9","10","6","8","6","10","1") = "9"
    & skf18("9","10","6","8","7","1","1") = "9"
    & skf18("9","10","6","8","7","2","1") = "9"
    & skf18("9","10","6","8","7","3","1") = "9"
    & skf18("9","10","6","8","7","4","1") = "9"
    & skf18("9","10","6","8","7","5","1") = "9"
    & skf18("9","10","6","8","7","6","1") = "9"
    & skf18("9","10","6","8","7","7","1") = "9"
    & skf18("9","10","6","8","7","8","1") = "9"
    & skf18("9","10","6","8","7","9","1") = "9"
    & skf18("9","10","6","8","7","10","1") = "9"
    & skf18("9","10","6","8","8","1","1") = "9"
    & skf18("9","10","6","8","8","2","1") = "9"
    & skf18("9","10","6","8","8","3","1") = "9"
    & skf18("9","10","6","8","8","4","1") = "9"
    & skf18("9","10","6","8","8","5","1") = "9"
    & skf18("9","10","6","8","8","6","1") = "9"
    & skf18("9","10","6","8","8","7","1") = "9"
    & skf18("9","10","6","8","8","8","1") = "9"
    & skf18("9","10","6","8","8","9","1") = "9"
    & skf18("9","10","6","8","8","10","1") = "9"
    & skf18("9","10","6","8","9","1","1") = "9"
    & skf18("9","10","6","8","9","2","1") = "9"
    & skf18("9","10","6","8","9","3","1") = "9"
    & skf18("9","10","6","8","9","4","1") = "9"
    & skf18("9","10","6","8","9","5","1") = "9"
    & skf18("9","10","6","8","9","6","1") = "9"
    & skf18("9","10","6","8","9","7","1") = "9"
    & skf18("9","10","6","8","9","8","1") = "9"
    & skf18("9","10","6","8","9","9","1") = "9"
    & skf18("9","10","6","8","9","10","1") = "9"
    & skf18("9","10","6","8","10","1","1") = "9"
    & skf18("9","10","6","8","10","2","1") = "9"
    & skf18("9","10","6","8","10","3","1") = "9"
    & skf18("9","10","6","8","10","4","1") = "9"
    & skf18("9","10","6","8","10","5","1") = "9"
    & skf18("9","10","6","8","10","6","1") = "9"
    & skf18("9","10","6","8","10","7","1") = "9"
    & skf18("9","10","6","8","10","8","1") = "9"
    & skf18("9","10","6","8","10","9","1") = "9"
    & skf18("9","10","6","8","10","10","1") = "9"
    & skf18("9","10","6","9","1","1","1") = "9"
    & skf18("9","10","6","9","1","2","1") = "9"
    & skf18("9","10","6","9","1","3","1") = "9"
    & skf18("9","10","6","9","1","4","1") = "9"
    & skf18("9","10","6","9","1","5","1") = "9"
    & skf18("9","10","6","9","1","6","1") = "9"
    & skf18("9","10","6","9","1","7","1") = "9"
    & skf18("9","10","6","9","1","8","1") = "9"
    & skf18("9","10","6","9","1","9","1") = "9"
    & skf18("9","10","6","9","1","10","1") = "9"
    & skf18("9","10","6","9","2","1","1") = "9"
    & skf18("9","10","6","9","2","2","1") = "9"
    & skf18("9","10","6","9","2","3","1") = "9"
    & skf18("9","10","6","9","2","4","1") = "9"
    & skf18("9","10","6","9","2","5","1") = "9"
    & skf18("9","10","6","9","2","6","1") = "9"
    & skf18("9","10","6","9","2","7","1") = "9"
    & skf18("9","10","6","9","2","8","1") = "9"
    & skf18("9","10","6","9","2","9","1") = "9"
    & skf18("9","10","6","9","2","10","1") = "9"
    & skf18("9","10","6","9","3","1","1") = "9"
    & skf18("9","10","6","9","3","2","1") = "9"
    & skf18("9","10","6","9","3","3","1") = "9"
    & skf18("9","10","6","9","3","4","1") = "9"
    & skf18("9","10","6","9","3","5","1") = "9"
    & skf18("9","10","6","9","3","6","1") = "9"
    & skf18("9","10","6","9","3","7","1") = "9"
    & skf18("9","10","6","9","3","8","1") = "9"
    & skf18("9","10","6","9","3","9","1") = "9"
    & skf18("9","10","6","9","3","10","1") = "9"
    & skf18("9","10","6","9","4","1","1") = "9"
    & skf18("9","10","6","9","4","2","1") = "9"
    & skf18("9","10","6","9","4","3","1") = "9"
    & skf18("9","10","6","9","4","4","1") = "9"
    & skf18("9","10","6","9","4","5","1") = "9"
    & skf18("9","10","6","9","4","6","1") = "9"
    & skf18("9","10","6","9","4","7","1") = "9"
    & skf18("9","10","6","9","4","8","1") = "9"
    & skf18("9","10","6","9","4","9","1") = "9"
    & skf18("9","10","6","9","4","10","1") = "9"
    & skf18("9","10","6","9","5","1","1") = "9"
    & skf18("9","10","6","9","5","2","1") = "9"
    & skf18("9","10","6","9","5","3","1") = "9"
    & skf18("9","10","6","9","5","4","1") = "9"
    & skf18("9","10","6","9","5","5","1") = "9"
    & skf18("9","10","6","9","5","6","1") = "9"
    & skf18("9","10","6","9","5","7","1") = "9"
    & skf18("9","10","6","9","5","8","1") = "9"
    & skf18("9","10","6","9","5","9","1") = "9"
    & skf18("9","10","6","9","5","10","1") = "9"
    & skf18("9","10","6","9","6","1","1") = "9"
    & skf18("9","10","6","9","6","2","1") = "9"
    & skf18("9","10","6","9","6","3","1") = "9"
    & skf18("9","10","6","9","6","4","1") = "9"
    & skf18("9","10","6","9","6","5","1") = "9"
    & skf18("9","10","6","9","6","6","1") = "9"
    & skf18("9","10","6","9","6","7","1") = "9"
    & skf18("9","10","6","9","6","8","1") = "9"
    & skf18("9","10","6","9","6","9","1") = "9"
    & skf18("9","10","6","9","6","10","1") = "9"
    & skf18("9","10","6","9","7","1","1") = "9"
    & skf18("9","10","6","9","7","2","1") = "9"
    & skf18("9","10","6","9","7","3","1") = "9"
    & skf18("9","10","6","9","7","4","1") = "9"
    & skf18("9","10","6","9","7","5","1") = "9"
    & skf18("9","10","6","9","7","6","1") = "9"
    & skf18("9","10","6","9","7","7","1") = "9"
    & skf18("9","10","6","9","7","8","1") = "9"
    & skf18("9","10","6","9","7","9","1") = "9"
    & skf18("9","10","6","9","7","10","1") = "9"
    & skf18("9","10","6","9","8","1","1") = "9"
    & skf18("9","10","6","9","8","2","1") = "9"
    & skf18("9","10","6","9","8","3","1") = "9"
    & skf18("9","10","6","9","8","4","1") = "9"
    & skf18("9","10","6","9","8","5","1") = "9"
    & skf18("9","10","6","9","8","6","1") = "9"
    & skf18("9","10","6","9","8","7","1") = "9"
    & skf18("9","10","6","9","8","8","1") = "9"
    & skf18("9","10","6","9","8","9","1") = "9"
    & skf18("9","10","6","9","8","10","1") = "9"
    & skf18("9","10","6","9","9","1","1") = "9"
    & skf18("9","10","6","9","9","2","1") = "9"
    & skf18("9","10","6","9","9","3","1") = "9"
    & skf18("9","10","6","9","9","4","1") = "9"
    & skf18("9","10","6","9","9","5","1") = "9"
    & skf18("9","10","6","9","9","6","1") = "9"
    & skf18("9","10","6","9","9","7","1") = "9"
    & skf18("9","10","6","9","9","8","1") = "9"
    & skf18("9","10","6","9","9","9","1") = "9"
    & skf18("9","10","6","9","9","10","1") = "9"
    & skf18("9","10","6","9","10","1","1") = "9"
    & skf18("9","10","6","9","10","2","1") = "9"
    & skf18("9","10","6","9","10","3","1") = "9"
    & skf18("9","10","6","9","10","4","1") = "9"
    & skf18("9","10","6","9","10","5","1") = "9"
    & skf18("9","10","6","9","10","6","1") = "9"
    & skf18("9","10","6","9","10","7","1") = "9"
    & skf18("9","10","6","9","10","8","1") = "9"
    & skf18("9","10","6","9","10","9","1") = "9"
    & skf18("9","10","6","9","10","10","1") = "9"
    & skf18("9","10","6","10","1","1","1") = "9"
    & skf18("9","10","6","10","1","2","1") = "9"
    & skf18("9","10","6","10","1","3","1") = "9"
    & skf18("9","10","6","10","1","4","1") = "9"
    & skf18("9","10","6","10","1","5","1") = "9"
    & skf18("9","10","6","10","1","6","1") = "9"
    & skf18("9","10","6","10","1","7","1") = "9"
    & skf18("9","10","6","10","1","8","1") = "9"
    & skf18("9","10","6","10","1","9","1") = "9"
    & skf18("9","10","6","10","1","10","1") = "9"
    & skf18("9","10","6","10","2","1","1") = "9"
    & skf18("9","10","6","10","2","2","1") = "9"
    & skf18("9","10","6","10","2","3","1") = "9"
    & skf18("9","10","6","10","2","4","1") = "9"
    & skf18("9","10","6","10","2","5","1") = "9"
    & skf18("9","10","6","10","2","6","1") = "9"
    & skf18("9","10","6","10","2","7","1") = "9"
    & skf18("9","10","6","10","2","8","1") = "9"
    & skf18("9","10","6","10","2","9","1") = "9"
    & skf18("9","10","6","10","2","10","1") = "9"
    & skf18("9","10","6","10","3","1","1") = "9"
    & skf18("9","10","6","10","3","2","1") = "9"
    & skf18("9","10","6","10","3","3","1") = "9"
    & skf18("9","10","6","10","3","4","1") = "9"
    & skf18("9","10","6","10","3","5","1") = "9"
    & skf18("9","10","6","10","3","6","1") = "9"
    & skf18("9","10","6","10","3","7","1") = "9"
    & skf18("9","10","6","10","3","8","1") = "9"
    & skf18("9","10","6","10","3","9","1") = "9"
    & skf18("9","10","6","10","3","10","1") = "9"
    & skf18("9","10","6","10","4","1","1") = "9"
    & skf18("9","10","6","10","4","2","1") = "9"
    & skf18("9","10","6","10","4","3","1") = "9"
    & skf18("9","10","6","10","4","4","1") = "9"
    & skf18("9","10","6","10","4","5","1") = "9"
    & skf18("9","10","6","10","4","6","1") = "9"
    & skf18("9","10","6","10","4","7","1") = "9"
    & skf18("9","10","6","10","4","8","1") = "9"
    & skf18("9","10","6","10","4","9","1") = "9"
    & skf18("9","10","6","10","4","10","1") = "9"
    & skf18("9","10","6","10","5","1","1") = "9"
    & skf18("9","10","6","10","5","2","1") = "9"
    & skf18("9","10","6","10","5","3","1") = "9"
    & skf18("9","10","6","10","5","4","1") = "9"
    & skf18("9","10","6","10","5","5","1") = "9"
    & skf18("9","10","6","10","5","6","1") = "9"
    & skf18("9","10","6","10","5","7","1") = "9"
    & skf18("9","10","6","10","5","8","1") = "9"
    & skf18("9","10","6","10","5","9","1") = "9"
    & skf18("9","10","6","10","5","10","1") = "9"
    & skf18("9","10","6","10","6","1","1") = "9"
    & skf18("9","10","6","10","6","2","1") = "9"
    & skf18("9","10","6","10","6","3","1") = "9"
    & skf18("9","10","6","10","6","4","1") = "9"
    & skf18("9","10","6","10","6","5","1") = "9"
    & skf18("9","10","6","10","6","6","1") = "9"
    & skf18("9","10","6","10","6","7","1") = "9"
    & skf18("9","10","6","10","6","8","1") = "9"
    & skf18("9","10","6","10","6","9","1") = "9"
    & skf18("9","10","6","10","6","10","1") = "9"
    & skf18("9","10","6","10","7","1","1") = "9"
    & skf18("9","10","6","10","7","2","1") = "9"
    & skf18("9","10","6","10","7","3","1") = "9"
    & skf18("9","10","6","10","7","4","1") = "9"
    & skf18("9","10","6","10","7","5","1") = "9"
    & skf18("9","10","6","10","7","6","1") = "9"
    & skf18("9","10","6","10","7","7","1") = "9"
    & skf18("9","10","6","10","7","8","1") = "9"
    & skf18("9","10","6","10","7","9","1") = "9"
    & skf18("9","10","6","10","7","10","1") = "9"
    & skf18("9","10","6","10","8","1","1") = "9"
    & skf18("9","10","6","10","8","2","1") = "9"
    & skf18("9","10","6","10","8","3","1") = "9"
    & skf18("9","10","6","10","8","4","1") = "9"
    & skf18("9","10","6","10","8","5","1") = "9"
    & skf18("9","10","6","10","8","6","1") = "9"
    & skf18("9","10","6","10","8","7","1") = "9"
    & skf18("9","10","6","10","8","8","1") = "9"
    & skf18("9","10","6","10","8","9","1") = "9"
    & skf18("9","10","6","10","8","10","1") = "9"
    & skf18("9","10","6","10","9","1","1") = "9"
    & skf18("9","10","6","10","9","2","1") = "9"
    & skf18("9","10","6","10","9","3","1") = "9"
    & skf18("9","10","6","10","9","4","1") = "9"
    & skf18("9","10","6","10","9","5","1") = "9"
    & skf18("9","10","6","10","9","6","1") = "9"
    & skf18("9","10","6","10","9","7","1") = "9"
    & skf18("9","10","6","10","9","8","1") = "9"
    & skf18("9","10","6","10","9","9","1") = "9"
    & skf18("9","10","6","10","9","10","1") = "9"
    & skf18("9","10","6","10","10","1","1") = "9"
    & skf18("9","10","6","10","10","2","1") = "9"
    & skf18("9","10","6","10","10","3","1") = "9"
    & skf18("9","10","6","10","10","4","1") = "9"
    & skf18("9","10","6","10","10","5","1") = "9"
    & skf18("9","10","6","10","10","6","1") = "9"
    & skf18("9","10","6","10","10","7","1") = "9"
    & skf18("9","10","6","10","10","8","1") = "9"
    & skf18("9","10","6","10","10","9","1") = "9"
    & skf18("9","10","6","10","10","10","1") = "9"
    & skf18("9","10","7","1","1","1","1") = "9"
    & skf18("9","10","7","1","1","2","1") = "9"
    & skf18("9","10","7","1","1","3","1") = "9"
    & skf18("9","10","7","1","1","4","1") = "9"
    & skf18("9","10","7","1","1","5","1") = "9"
    & skf18("9","10","7","1","1","6","1") = "9"
    & skf18("9","10","7","1","1","7","1") = "9"
    & skf18("9","10","7","1","1","8","1") = "9"
    & skf18("9","10","7","1","1","9","1") = "9"
    & skf18("9","10","7","1","1","10","1") = "9"
    & skf18("9","10","7","1","2","1","1") = "9"
    & skf18("9","10","7","1","2","2","1") = "9"
    & skf18("9","10","7","1","2","3","1") = "9"
    & skf18("9","10","7","1","2","4","1") = "9"
    & skf18("9","10","7","1","2","5","1") = "9"
    & skf18("9","10","7","1","2","6","1") = "9"
    & skf18("9","10","7","1","2","7","1") = "9"
    & skf18("9","10","7","1","2","8","1") = "9"
    & skf18("9","10","7","1","2","9","1") = "9"
    & skf18("9","10","7","1","2","10","1") = "9"
    & skf18("9","10","7","1","3","1","1") = "9"
    & skf18("9","10","7","1","3","2","1") = "9"
    & skf18("9","10","7","1","3","3","1") = "9"
    & skf18("9","10","7","1","3","4","1") = "9"
    & skf18("9","10","7","1","3","5","1") = "9"
    & skf18("9","10","7","1","3","6","1") = "9"
    & skf18("9","10","7","1","3","7","1") = "9"
    & skf18("9","10","7","1","3","8","1") = "9"
    & skf18("9","10","7","1","3","9","1") = "9"
    & skf18("9","10","7","1","3","10","1") = "9"
    & skf18("9","10","7","1","4","1","1") = "9"
    & skf18("9","10","7","1","4","2","1") = "9"
    & skf18("9","10","7","1","4","3","1") = "9"
    & skf18("9","10","7","1","4","4","1") = "9"
    & skf18("9","10","7","1","4","5","1") = "9"
    & skf18("9","10","7","1","4","6","1") = "9"
    & skf18("9","10","7","1","4","7","1") = "9"
    & skf18("9","10","7","1","4","8","1") = "9"
    & skf18("9","10","7","1","4","9","1") = "9"
    & skf18("9","10","7","1","4","10","1") = "9"
    & skf18("9","10","7","1","5","1","1") = "9"
    & skf18("9","10","7","1","5","2","1") = "9"
    & skf18("9","10","7","1","5","3","1") = "9"
    & skf18("9","10","7","1","5","4","1") = "9"
    & skf18("9","10","7","1","5","5","1") = "9"
    & skf18("9","10","7","1","5","6","1") = "9"
    & skf18("9","10","7","1","5","7","1") = "9"
    & skf18("9","10","7","1","5","8","1") = "9"
    & skf18("9","10","7","1","5","9","1") = "9"
    & skf18("9","10","7","1","5","10","1") = "9"
    & skf18("9","10","7","1","6","1","1") = "9"
    & skf18("9","10","7","1","6","2","1") = "9"
    & skf18("9","10","7","1","6","3","1") = "9"
    & skf18("9","10","7","1","6","4","1") = "9"
    & skf18("9","10","7","1","6","5","1") = "9"
    & skf18("9","10","7","1","6","6","1") = "9"
    & skf18("9","10","7","1","6","7","1") = "9"
    & skf18("9","10","7","1","6","8","1") = "9"
    & skf18("9","10","7","1","6","9","1") = "9"
    & skf18("9","10","7","1","6","10","1") = "9"
    & skf18("9","10","7","1","7","1","1") = "9"
    & skf18("9","10","7","1","7","2","1") = "9"
    & skf18("9","10","7","1","7","3","1") = "9"
    & skf18("9","10","7","1","7","4","1") = "9"
    & skf18("9","10","7","1","7","5","1") = "9"
    & skf18("9","10","7","1","7","6","1") = "9"
    & skf18("9","10","7","1","7","7","1") = "9"
    & skf18("9","10","7","1","7","8","1") = "9"
    & skf18("9","10","7","1","7","9","1") = "9"
    & skf18("9","10","7","1","7","10","1") = "9"
    & skf18("9","10","7","1","8","1","1") = "9"
    & skf18("9","10","7","1","8","2","1") = "9"
    & skf18("9","10","7","1","8","3","1") = "9"
    & skf18("9","10","7","1","8","4","1") = "9"
    & skf18("9","10","7","1","8","5","1") = "9"
    & skf18("9","10","7","1","8","6","1") = "9"
    & skf18("9","10","7","1","8","7","1") = "9"
    & skf18("9","10","7","1","8","8","1") = "9"
    & skf18("9","10","7","1","8","9","1") = "9"
    & skf18("9","10","7","1","8","10","1") = "9"
    & skf18("9","10","7","1","9","1","1") = "9"
    & skf18("9","10","7","1","9","2","1") = "9"
    & skf18("9","10","7","1","9","3","1") = "9"
    & skf18("9","10","7","1","9","4","1") = "9"
    & skf18("9","10","7","1","9","5","1") = "9"
    & skf18("9","10","7","1","9","6","1") = "9"
    & skf18("9","10","7","1","9","7","1") = "9"
    & skf18("9","10","7","1","9","8","1") = "9"
    & skf18("9","10","7","1","9","9","1") = "9"
    & skf18("9","10","7","1","9","10","1") = "9"
    & skf18("9","10","7","1","10","1","1") = "9"
    & skf18("9","10","7","1","10","2","1") = "9"
    & skf18("9","10","7","1","10","3","1") = "9"
    & skf18("9","10","7","1","10","4","1") = "9"
    & skf18("9","10","7","1","10","5","1") = "9"
    & skf18("9","10","7","1","10","6","1") = "9"
    & skf18("9","10","7","1","10","7","1") = "9"
    & skf18("9","10","7","1","10","8","1") = "9"
    & skf18("9","10","7","1","10","9","1") = "9"
    & skf18("9","10","7","1","10","10","1") = "9"
    & skf18("9","10","7","2","1","1","1") = "9"
    & skf18("9","10","7","2","1","2","1") = "9"
    & skf18("9","10","7","2","1","3","1") = "9"
    & skf18("9","10","7","2","1","4","1") = "9"
    & skf18("9","10","7","2","1","5","1") = "9"
    & skf18("9","10","7","2","1","6","1") = "9"
    & skf18("9","10","7","2","1","7","1") = "9"
    & skf18("9","10","7","2","1","8","1") = "9"
    & skf18("9","10","7","2","1","9","1") = "9"
    & skf18("9","10","7","2","1","10","1") = "9"
    & skf18("9","10","7","2","2","1","1") = "9"
    & skf18("9","10","7","2","2","2","1") = "9"
    & skf18("9","10","7","2","2","3","1") = "9"
    & skf18("9","10","7","2","2","4","1") = "9"
    & skf18("9","10","7","2","2","5","1") = "9"
    & skf18("9","10","7","2","2","6","1") = "9"
    & skf18("9","10","7","2","2","7","1") = "9"
    & skf18("9","10","7","2","2","8","1") = "9"
    & skf18("9","10","7","2","2","9","1") = "9"
    & skf18("9","10","7","2","2","10","1") = "9"
    & skf18("9","10","7","2","3","1","1") = "9"
    & skf18("9","10","7","2","3","2","1") = "9"
    & skf18("9","10","7","2","3","3","1") = "9"
    & skf18("9","10","7","2","3","4","1") = "9"
    & skf18("9","10","7","2","3","5","1") = "9"
    & skf18("9","10","7","2","3","6","1") = "9"
    & skf18("9","10","7","2","3","7","1") = "9"
    & skf18("9","10","7","2","3","8","1") = "9"
    & skf18("9","10","7","2","3","9","1") = "9"
    & skf18("9","10","7","2","3","10","1") = "9"
    & skf18("9","10","7","2","4","1","1") = "9"
    & skf18("9","10","7","2","4","2","1") = "9"
    & skf18("9","10","7","2","4","3","1") = "9"
    & skf18("9","10","7","2","4","4","1") = "9"
    & skf18("9","10","7","2","4","5","1") = "9"
    & skf18("9","10","7","2","4","6","1") = "9"
    & skf18("9","10","7","2","4","7","1") = "9"
    & skf18("9","10","7","2","4","8","1") = "9"
    & skf18("9","10","7","2","4","9","1") = "9"
    & skf18("9","10","7","2","4","10","1") = "9"
    & skf18("9","10","7","2","5","1","1") = "9"
    & skf18("9","10","7","2","5","2","1") = "9"
    & skf18("9","10","7","2","5","3","1") = "9"
    & skf18("9","10","7","2","5","4","1") = "9"
    & skf18("9","10","7","2","5","5","1") = "9"
    & skf18("9","10","7","2","5","6","1") = "9"
    & skf18("9","10","7","2","5","7","1") = "9"
    & skf18("9","10","7","2","5","8","1") = "9"
    & skf18("9","10","7","2","5","9","1") = "9"
    & skf18("9","10","7","2","5","10","1") = "9"
    & skf18("9","10","7","2","6","1","1") = "9"
    & skf18("9","10","7","2","6","2","1") = "9"
    & skf18("9","10","7","2","6","3","1") = "9"
    & skf18("9","10","7","2","6","4","1") = "9"
    & skf18("9","10","7","2","6","5","1") = "9"
    & skf18("9","10","7","2","6","6","1") = "9"
    & skf18("9","10","7","2","6","7","1") = "9"
    & skf18("9","10","7","2","6","8","1") = "9"
    & skf18("9","10","7","2","6","9","1") = "9"
    & skf18("9","10","7","2","6","10","1") = "9"
    & skf18("9","10","7","2","7","1","1") = "9"
    & skf18("9","10","7","2","7","2","1") = "9"
    & skf18("9","10","7","2","7","3","1") = "9"
    & skf18("9","10","7","2","7","4","1") = "9"
    & skf18("9","10","7","2","7","5","1") = "9"
    & skf18("9","10","7","2","7","6","1") = "9"
    & skf18("9","10","7","2","7","7","1") = "9"
    & skf18("9","10","7","2","7","8","1") = "9"
    & skf18("9","10","7","2","7","9","1") = "9"
    & skf18("9","10","7","2","7","10","1") = "9"
    & skf18("9","10","7","2","8","1","1") = "9"
    & skf18("9","10","7","2","8","2","1") = "9"
    & skf18("9","10","7","2","8","3","1") = "9"
    & skf18("9","10","7","2","8","4","1") = "9"
    & skf18("9","10","7","2","8","5","1") = "9"
    & skf18("9","10","7","2","8","6","1") = "9"
    & skf18("9","10","7","2","8","7","1") = "9"
    & skf18("9","10","7","2","8","8","1") = "9"
    & skf18("9","10","7","2","8","9","1") = "9"
    & skf18("9","10","7","2","8","10","1") = "9"
    & skf18("9","10","7","2","9","1","1") = "9"
    & skf18("9","10","7","2","9","2","1") = "9"
    & skf18("9","10","7","2","9","3","1") = "9"
    & skf18("9","10","7","2","9","4","1") = "9"
    & skf18("9","10","7","2","9","5","1") = "9"
    & skf18("9","10","7","2","9","6","1") = "9"
    & skf18("9","10","7","2","9","7","1") = "9"
    & skf18("9","10","7","2","9","8","1") = "9"
    & skf18("9","10","7","2","9","9","1") = "9"
    & skf18("9","10","7","2","9","10","1") = "9"
    & skf18("9","10","7","2","10","1","1") = "9"
    & skf18("9","10","7","2","10","2","1") = "9"
    & skf18("9","10","7","2","10","3","1") = "9"
    & skf18("9","10","7","2","10","4","1") = "9"
    & skf18("9","10","7","2","10","5","1") = "9"
    & skf18("9","10","7","2","10","6","1") = "9"
    & skf18("9","10","7","2","10","7","1") = "9"
    & skf18("9","10","7","2","10","8","1") = "9"
    & skf18("9","10","7","2","10","9","1") = "9"
    & skf18("9","10","7","2","10","10","1") = "9"
    & skf18("9","10","7","3","1","1","1") = "9"
    & skf18("9","10","7","3","1","2","1") = "9"
    & skf18("9","10","7","3","1","3","1") = "9"
    & skf18("9","10","7","3","1","4","1") = "9"
    & skf18("9","10","7","3","1","5","1") = "9"
    & skf18("9","10","7","3","1","6","1") = "9"
    & skf18("9","10","7","3","1","7","1") = "9"
    & skf18("9","10","7","3","1","8","1") = "9"
    & skf18("9","10","7","3","1","9","1") = "9"
    & skf18("9","10","7","3","1","10","1") = "9"
    & skf18("9","10","7","3","2","1","1") = "9"
    & skf18("9","10","7","3","2","2","1") = "9"
    & skf18("9","10","7","3","2","3","1") = "9"
    & skf18("9","10","7","3","2","4","1") = "9"
    & skf18("9","10","7","3","2","5","1") = "9"
    & skf18("9","10","7","3","2","6","1") = "9"
    & skf18("9","10","7","3","2","7","1") = "9"
    & skf18("9","10","7","3","2","8","1") = "9"
    & skf18("9","10","7","3","2","9","1") = "9"
    & skf18("9","10","7","3","2","10","1") = "9"
    & skf18("9","10","7","3","3","1","1") = "9"
    & skf18("9","10","7","3","3","2","1") = "9"
    & skf18("9","10","7","3","3","3","1") = "9"
    & skf18("9","10","7","3","3","4","1") = "9"
    & skf18("9","10","7","3","3","5","1") = "9"
    & skf18("9","10","7","3","3","6","1") = "9"
    & skf18("9","10","7","3","3","7","1") = "9"
    & skf18("9","10","7","3","3","8","1") = "9"
    & skf18("9","10","7","3","3","9","1") = "9"
    & skf18("9","10","7","3","3","10","1") = "9"
    & skf18("9","10","7","3","4","1","1") = "9"
    & skf18("9","10","7","3","4","2","1") = "9"
    & skf18("9","10","7","3","4","3","1") = "9"
    & skf18("9","10","7","3","4","4","1") = "9"
    & skf18("9","10","7","3","4","5","1") = "9"
    & skf18("9","10","7","3","4","6","1") = "9"
    & skf18("9","10","7","3","4","7","1") = "9"
    & skf18("9","10","7","3","4","8","1") = "9"
    & skf18("9","10","7","3","4","9","1") = "9"
    & skf18("9","10","7","3","4","10","1") = "9"
    & skf18("9","10","7","3","5","1","1") = "9"
    & skf18("9","10","7","3","5","2","1") = "9"
    & skf18("9","10","7","3","5","3","1") = "9"
    & skf18("9","10","7","3","5","4","1") = "9"
    & skf18("9","10","7","3","5","5","1") = "9"
    & skf18("9","10","7","3","5","6","1") = "9"
    & skf18("9","10","7","3","5","7","1") = "9"
    & skf18("9","10","7","3","5","8","1") = "9"
    & skf18("9","10","7","3","5","9","1") = "9"
    & skf18("9","10","7","3","5","10","1") = "9"
    & skf18("9","10","7","3","6","1","1") = "9"
    & skf18("9","10","7","3","6","2","1") = "9"
    & skf18("9","10","7","3","6","3","1") = "9"
    & skf18("9","10","7","3","6","4","1") = "9"
    & skf18("9","10","7","3","6","5","1") = "9"
    & skf18("9","10","7","3","6","6","1") = "9"
    & skf18("9","10","7","3","6","7","1") = "9"
    & skf18("9","10","7","3","6","8","1") = "9"
    & skf18("9","10","7","3","6","9","1") = "9"
    & skf18("9","10","7","3","6","10","1") = "9"
    & skf18("9","10","7","3","7","1","1") = "9"
    & skf18("9","10","7","3","7","2","1") = "9"
    & skf18("9","10","7","3","7","3","1") = "9"
    & skf18("9","10","7","3","7","4","1") = "9"
    & skf18("9","10","7","3","7","5","1") = "9"
    & skf18("9","10","7","3","7","6","1") = "9"
    & skf18("9","10","7","3","7","7","1") = "9"
    & skf18("9","10","7","3","7","8","1") = "9"
    & skf18("9","10","7","3","7","9","1") = "9"
    & skf18("9","10","7","3","7","10","1") = "9"
    & skf18("9","10","7","3","8","1","1") = "9"
    & skf18("9","10","7","3","8","2","1") = "9"
    & skf18("9","10","7","3","8","3","1") = "9"
    & skf18("9","10","7","3","8","4","1") = "9"
    & skf18("9","10","7","3","8","5","1") = "9"
    & skf18("9","10","7","3","8","6","1") = "9"
    & skf18("9","10","7","3","8","7","1") = "9"
    & skf18("9","10","7","3","8","8","1") = "9"
    & skf18("9","10","7","3","8","9","1") = "9"
    & skf18("9","10","7","3","8","10","1") = "9"
    & skf18("9","10","7","3","9","1","1") = "9"
    & skf18("9","10","7","3","9","2","1") = "9"
    & skf18("9","10","7","3","9","3","1") = "9"
    & skf18("9","10","7","3","9","4","1") = "9"
    & skf18("9","10","7","3","9","5","1") = "9"
    & skf18("9","10","7","3","9","6","1") = "9"
    & skf18("9","10","7","3","9","7","1") = "9"
    & skf18("9","10","7","3","9","8","1") = "9"
    & skf18("9","10","7","3","9","9","1") = "9"
    & skf18("9","10","7","3","9","10","1") = "9"
    & skf18("9","10","7","3","10","1","1") = "9"
    & skf18("9","10","7","3","10","2","1") = "9"
    & skf18("9","10","7","3","10","3","1") = "9"
    & skf18("9","10","7","3","10","4","1") = "9"
    & skf18("9","10","7","3","10","5","1") = "9"
    & skf18("9","10","7","3","10","6","1") = "9"
    & skf18("9","10","7","3","10","7","1") = "9"
    & skf18("9","10","7","3","10","8","1") = "9"
    & skf18("9","10","7","3","10","9","1") = "9"
    & skf18("9","10","7","3","10","10","1") = "9"
    & skf18("9","10","7","4","1","1","1") = "9"
    & skf18("9","10","7","4","1","2","1") = "9"
    & skf18("9","10","7","4","1","3","1") = "9"
    & skf18("9","10","7","4","1","4","1") = "9"
    & skf18("9","10","7","4","1","5","1") = "9"
    & skf18("9","10","7","4","1","6","1") = "9"
    & skf18("9","10","7","4","1","7","1") = "9"
    & skf18("9","10","7","4","1","8","1") = "9"
    & skf18("9","10","7","4","1","9","1") = "9"
    & skf18("9","10","7","4","1","10","1") = "9"
    & skf18("9","10","7","4","2","1","1") = "9"
    & skf18("9","10","7","4","2","2","1") = "9"
    & skf18("9","10","7","4","2","3","1") = "9"
    & skf18("9","10","7","4","2","4","1") = "9"
    & skf18("9","10","7","4","2","5","1") = "9"
    & skf18("9","10","7","4","2","6","1") = "9"
    & skf18("9","10","7","4","2","7","1") = "9"
    & skf18("9","10","7","4","2","8","1") = "9"
    & skf18("9","10","7","4","2","9","1") = "9"
    & skf18("9","10","7","4","2","10","1") = "9"
    & skf18("9","10","7","4","3","1","1") = "9"
    & skf18("9","10","7","4","3","2","1") = "9"
    & skf18("9","10","7","4","3","3","1") = "9"
    & skf18("9","10","7","4","3","4","1") = "9"
    & skf18("9","10","7","4","3","5","1") = "9"
    & skf18("9","10","7","4","3","6","1") = "9"
    & skf18("9","10","7","4","3","7","1") = "9"
    & skf18("9","10","7","4","3","8","1") = "9"
    & skf18("9","10","7","4","3","9","1") = "9"
    & skf18("9","10","7","4","3","10","1") = "9"
    & skf18("9","10","7","4","4","1","1") = "9"
    & skf18("9","10","7","4","4","2","1") = "9"
    & skf18("9","10","7","4","4","3","1") = "9"
    & skf18("9","10","7","4","4","4","1") = "9"
    & skf18("9","10","7","4","4","5","1") = "9"
    & skf18("9","10","7","4","4","6","1") = "9"
    & skf18("9","10","7","4","4","7","1") = "9"
    & skf18("9","10","7","4","4","8","1") = "9"
    & skf18("9","10","7","4","4","9","1") = "9"
    & skf18("9","10","7","4","4","10","1") = "9"
    & skf18("9","10","7","4","5","1","1") = "9"
    & skf18("9","10","7","4","5","2","1") = "9"
    & skf18("9","10","7","4","5","3","1") = "9"
    & skf18("9","10","7","4","5","4","1") = "9"
    & skf18("9","10","7","4","5","5","1") = "9"
    & skf18("9","10","7","4","5","6","1") = "9"
    & skf18("9","10","7","4","5","7","1") = "9"
    & skf18("9","10","7","4","5","8","1") = "9"
    & skf18("9","10","7","4","5","9","1") = "9"
    & skf18("9","10","7","4","5","10","1") = "9"
    & skf18("9","10","7","4","6","1","1") = "9"
    & skf18("9","10","7","4","6","2","1") = "9"
    & skf18("9","10","7","4","6","3","1") = "9"
    & skf18("9","10","7","4","6","4","1") = "9"
    & skf18("9","10","7","4","6","5","1") = "9"
    & skf18("9","10","7","4","6","6","1") = "9"
    & skf18("9","10","7","4","6","7","1") = "9"
    & skf18("9","10","7","4","6","8","1") = "9"
    & skf18("9","10","7","4","6","9","1") = "9"
    & skf18("9","10","7","4","6","10","1") = "9"
    & skf18("9","10","7","4","7","1","1") = "9"
    & skf18("9","10","7","4","7","2","1") = "9"
    & skf18("9","10","7","4","7","3","1") = "9"
    & skf18("9","10","7","4","7","4","1") = "9"
    & skf18("9","10","7","4","7","5","1") = "9"
    & skf18("9","10","7","4","7","6","1") = "9"
    & skf18("9","10","7","4","7","7","1") = "9"
    & skf18("9","10","7","4","7","8","1") = "9"
    & skf18("9","10","7","4","7","9","1") = "9"
    & skf18("9","10","7","4","7","10","1") = "9"
    & skf18("9","10","7","4","8","1","1") = "9"
    & skf18("9","10","7","4","8","2","1") = "9"
    & skf18("9","10","7","4","8","3","1") = "9"
    & skf18("9","10","7","4","8","4","1") = "9"
    & skf18("9","10","7","4","8","5","1") = "9"
    & skf18("9","10","7","4","8","6","1") = "9"
    & skf18("9","10","7","4","8","7","1") = "9"
    & skf18("9","10","7","4","8","8","1") = "9"
    & skf18("9","10","7","4","8","9","1") = "9"
    & skf18("9","10","7","4","8","10","1") = "9"
    & skf18("9","10","7","4","9","1","1") = "9"
    & skf18("9","10","7","4","9","2","1") = "9"
    & skf18("9","10","7","4","9","3","1") = "9"
    & skf18("9","10","7","4","9","4","1") = "9"
    & skf18("9","10","7","4","9","5","1") = "9"
    & skf18("9","10","7","4","9","6","1") = "9"
    & skf18("9","10","7","4","9","7","1") = "9"
    & skf18("9","10","7","4","9","8","1") = "9"
    & skf18("9","10","7","4","9","9","1") = "9"
    & skf18("9","10","7","4","9","10","1") = "9"
    & skf18("9","10","7","4","10","1","1") = "9"
    & skf18("9","10","7","4","10","2","1") = "9"
    & skf18("9","10","7","4","10","3","1") = "9"
    & skf18("9","10","7","4","10","4","1") = "9"
    & skf18("9","10","7","4","10","5","1") = "9"
    & skf18("9","10","7","4","10","6","1") = "9"
    & skf18("9","10","7","4","10","7","1") = "9"
    & skf18("9","10","7","4","10","8","1") = "9"
    & skf18("9","10","7","4","10","9","1") = "9"
    & skf18("9","10","7","4","10","10","1") = "9"
    & skf18("9","10","7","5","1","1","1") = "9"
    & skf18("9","10","7","5","1","2","1") = "9"
    & skf18("9","10","7","5","1","3","1") = "9"
    & skf18("9","10","7","5","1","4","1") = "9"
    & skf18("9","10","7","5","1","5","1") = "9"
    & skf18("9","10","7","5","1","6","1") = "9"
    & skf18("9","10","7","5","1","7","1") = "9"
    & skf18("9","10","7","5","1","8","1") = "9"
    & skf18("9","10","7","5","1","9","1") = "9"
    & skf18("9","10","7","5","1","10","1") = "9"
    & skf18("9","10","7","5","2","1","1") = "9"
    & skf18("9","10","7","5","2","2","1") = "9"
    & skf18("9","10","7","5","2","3","1") = "9"
    & skf18("9","10","7","5","2","4","1") = "9"
    & skf18("9","10","7","5","2","5","1") = "9"
    & skf18("9","10","7","5","2","6","1") = "9"
    & skf18("9","10","7","5","2","7","1") = "9"
    & skf18("9","10","7","5","2","8","1") = "9"
    & skf18("9","10","7","5","2","9","1") = "9"
    & skf18("9","10","7","5","2","10","1") = "9"
    & skf18("9","10","7","5","3","1","1") = "9"
    & skf18("9","10","7","5","3","2","1") = "9"
    & skf18("9","10","7","5","3","3","1") = "9"
    & skf18("9","10","7","5","3","4","1") = "9"
    & skf18("9","10","7","5","3","5","1") = "9"
    & skf18("9","10","7","5","3","6","1") = "9"
    & skf18("9","10","7","5","3","7","1") = "9"
    & skf18("9","10","7","5","3","8","1") = "9"
    & skf18("9","10","7","5","3","9","1") = "9"
    & skf18("9","10","7","5","3","10","1") = "9"
    & skf18("9","10","7","5","4","1","1") = "9"
    & skf18("9","10","7","5","4","2","1") = "9"
    & skf18("9","10","7","5","4","3","1") = "9"
    & skf18("9","10","7","5","4","4","1") = "9"
    & skf18("9","10","7","5","4","5","1") = "9"
    & skf18("9","10","7","5","4","6","1") = "9"
    & skf18("9","10","7","5","4","7","1") = "9"
    & skf18("9","10","7","5","4","8","1") = "9"
    & skf18("9","10","7","5","4","9","1") = "9"
    & skf18("9","10","7","5","4","10","1") = "9"
    & skf18("9","10","7","5","5","1","1") = "9"
    & skf18("9","10","7","5","5","2","1") = "9"
    & skf18("9","10","7","5","5","3","1") = "9"
    & skf18("9","10","7","5","5","4","1") = "9"
    & skf18("9","10","7","5","5","5","1") = "9"
    & skf18("9","10","7","5","5","6","1") = "9"
    & skf18("9","10","7","5","5","7","1") = "9"
    & skf18("9","10","7","5","5","8","1") = "9"
    & skf18("9","10","7","5","5","9","1") = "9"
    & skf18("9","10","7","5","5","10","1") = "9"
    & skf18("9","10","7","5","6","1","1") = "9"
    & skf18("9","10","7","5","6","2","1") = "9"
    & skf18("9","10","7","5","6","3","1") = "9"
    & skf18("9","10","7","5","6","4","1") = "9"
    & skf18("9","10","7","5","6","5","1") = "9"
    & skf18("9","10","7","5","6","6","1") = "9"
    & skf18("9","10","7","5","6","7","1") = "9"
    & skf18("9","10","7","5","6","8","1") = "9"
    & skf18("9","10","7","5","6","9","1") = "9"
    & skf18("9","10","7","5","6","10","1") = "9"
    & skf18("9","10","7","5","7","1","1") = "9"
    & skf18("9","10","7","5","7","2","1") = "9"
    & skf18("9","10","7","5","7","3","1") = "9"
    & skf18("9","10","7","5","7","4","1") = "9"
    & skf18("9","10","7","5","7","5","1") = "9"
    & skf18("9","10","7","5","7","6","1") = "9"
    & skf18("9","10","7","5","7","7","1") = "9"
    & skf18("9","10","7","5","7","8","1") = "9"
    & skf18("9","10","7","5","7","9","1") = "9"
    & skf18("9","10","7","5","7","10","1") = "9"
    & skf18("9","10","7","5","8","1","1") = "9"
    & skf18("9","10","7","5","8","2","1") = "9"
    & skf18("9","10","7","5","8","3","1") = "9"
    & skf18("9","10","7","5","8","4","1") = "9"
    & skf18("9","10","7","5","8","5","1") = "9"
    & skf18("9","10","7","5","8","6","1") = "9"
    & skf18("9","10","7","5","8","7","1") = "9"
    & skf18("9","10","7","5","8","8","1") = "9"
    & skf18("9","10","7","5","8","9","1") = "9"
    & skf18("9","10","7","5","8","10","1") = "9"
    & skf18("9","10","7","5","9","1","1") = "9"
    & skf18("9","10","7","5","9","2","1") = "9"
    & skf18("9","10","7","5","9","3","1") = "9"
    & skf18("9","10","7","5","9","4","1") = "9"
    & skf18("9","10","7","5","9","5","1") = "9"
    & skf18("9","10","7","5","9","6","1") = "9"
    & skf18("9","10","7","5","9","7","1") = "9"
    & skf18("9","10","7","5","9","8","1") = "9"
    & skf18("9","10","7","5","9","9","1") = "9"
    & skf18("9","10","7","5","9","10","1") = "9"
    & skf18("9","10","7","5","10","1","1") = "9"
    & skf18("9","10","7","5","10","2","1") = "9"
    & skf18("9","10","7","5","10","3","1") = "9"
    & skf18("9","10","7","5","10","4","1") = "9"
    & skf18("9","10","7","5","10","5","1") = "9"
    & skf18("9","10","7","5","10","6","1") = "9"
    & skf18("9","10","7","5","10","7","1") = "9"
    & skf18("9","10","7","5","10","8","1") = "9"
    & skf18("9","10","7","5","10","9","1") = "9"
    & skf18("9","10","7","5","10","10","1") = "9"
    & skf18("9","10","7","6","1","1","1") = "9"
    & skf18("9","10","7","6","1","2","1") = "9"
    & skf18("9","10","7","6","1","3","1") = "9"
    & skf18("9","10","7","6","1","4","1") = "9"
    & skf18("9","10","7","6","1","5","1") = "9"
    & skf18("9","10","7","6","1","6","1") = "9"
    & skf18("9","10","7","6","1","7","1") = "9"
    & skf18("9","10","7","6","1","8","1") = "9"
    & skf18("9","10","7","6","1","9","1") = "9"
    & skf18("9","10","7","6","1","10","1") = "9"
    & skf18("9","10","7","6","2","1","1") = "9"
    & skf18("9","10","7","6","2","2","1") = "9"
    & skf18("9","10","7","6","2","3","1") = "9"
    & skf18("9","10","7","6","2","4","1") = "9"
    & skf18("9","10","7","6","2","5","1") = "9"
    & skf18("9","10","7","6","2","6","1") = "9"
    & skf18("9","10","7","6","2","7","1") = "9"
    & skf18("9","10","7","6","2","8","1") = "9"
    & skf18("9","10","7","6","2","9","1") = "9"
    & skf18("9","10","7","6","2","10","1") = "9"
    & skf18("9","10","7","6","3","1","1") = "9"
    & skf18("9","10","7","6","3","2","1") = "9"
    & skf18("9","10","7","6","3","3","1") = "9"
    & skf18("9","10","7","6","3","4","1") = "9"
    & skf18("9","10","7","6","3","5","1") = "9"
    & skf18("9","10","7","6","3","6","1") = "9"
    & skf18("9","10","7","6","3","7","1") = "9"
    & skf18("9","10","7","6","3","8","1") = "9"
    & skf18("9","10","7","6","3","9","1") = "9"
    & skf18("9","10","7","6","3","10","1") = "9"
    & skf18("9","10","7","6","4","1","1") = "9"
    & skf18("9","10","7","6","4","2","1") = "9"
    & skf18("9","10","7","6","4","3","1") = "9"
    & skf18("9","10","7","6","4","4","1") = "9"
    & skf18("9","10","7","6","4","5","1") = "9"
    & skf18("9","10","7","6","4","6","1") = "9"
    & skf18("9","10","7","6","4","7","1") = "9"
    & skf18("9","10","7","6","4","8","1") = "9"
    & skf18("9","10","7","6","4","9","1") = "9"
    & skf18("9","10","7","6","4","10","1") = "9"
    & skf18("9","10","7","6","5","1","1") = "9"
    & skf18("9","10","7","6","5","2","1") = "9"
    & skf18("9","10","7","6","5","3","1") = "9"
    & skf18("9","10","7","6","5","4","1") = "9"
    & skf18("9","10","7","6","5","5","1") = "9"
    & skf18("9","10","7","6","5","6","1") = "9"
    & skf18("9","10","7","6","5","7","1") = "9"
    & skf18("9","10","7","6","5","8","1") = "9"
    & skf18("9","10","7","6","5","9","1") = "9"
    & skf18("9","10","7","6","5","10","1") = "9"
    & skf18("9","10","7","6","6","1","1") = "9"
    & skf18("9","10","7","6","6","2","1") = "9"
    & skf18("9","10","7","6","6","3","1") = "9"
    & skf18("9","10","7","6","6","4","1") = "9"
    & skf18("9","10","7","6","6","5","1") = "9"
    & skf18("9","10","7","6","6","6","1") = "9"
    & skf18("9","10","7","6","6","7","1") = "9"
    & skf18("9","10","7","6","6","8","1") = "9"
    & skf18("9","10","7","6","6","9","1") = "9"
    & skf18("9","10","7","6","6","10","1") = "9"
    & skf18("9","10","7","6","7","1","1") = "9"
    & skf18("9","10","7","6","7","2","1") = "9"
    & skf18("9","10","7","6","7","3","1") = "9"
    & skf18("9","10","7","6","7","4","1") = "9"
    & skf18("9","10","7","6","7","5","1") = "9"
    & skf18("9","10","7","6","7","6","1") = "9"
    & skf18("9","10","7","6","7","7","1") = "9"
    & skf18("9","10","7","6","7","8","1") = "9"
    & skf18("9","10","7","6","7","9","1") = "9"
    & skf18("9","10","7","6","7","10","1") = "9"
    & skf18("9","10","7","6","8","1","1") = "9"
    & skf18("9","10","7","6","8","2","1") = "9"
    & skf18("9","10","7","6","8","3","1") = "9"
    & skf18("9","10","7","6","8","4","1") = "9"
    & skf18("9","10","7","6","8","5","1") = "9"
    & skf18("9","10","7","6","8","6","1") = "9"
    & skf18("9","10","7","6","8","7","1") = "9"
    & skf18("9","10","7","6","8","8","1") = "9"
    & skf18("9","10","7","6","8","9","1") = "9"
    & skf18("9","10","7","6","8","10","1") = "9"
    & skf18("9","10","7","6","9","1","1") = "9"
    & skf18("9","10","7","6","9","2","1") = "9"
    & skf18("9","10","7","6","9","3","1") = "9"
    & skf18("9","10","7","6","9","4","1") = "9"
    & skf18("9","10","7","6","9","5","1") = "9"
    & skf18("9","10","7","6","9","6","1") = "9"
    & skf18("9","10","7","6","9","7","1") = "9"
    & skf18("9","10","7","6","9","8","1") = "9"
    & skf18("9","10","7","6","9","9","1") = "9"
    & skf18("9","10","7","6","9","10","1") = "9"
    & skf18("9","10","7","6","10","1","1") = "9"
    & skf18("9","10","7","6","10","2","1") = "9"
    & skf18("9","10","7","6","10","3","1") = "9"
    & skf18("9","10","7","6","10","4","1") = "9"
    & skf18("9","10","7","6","10","5","1") = "9"
    & skf18("9","10","7","6","10","6","1") = "9"
    & skf18("9","10","7","6","10","7","1") = "9"
    & skf18("9","10","7","6","10","8","1") = "9"
    & skf18("9","10","7","6","10","9","1") = "9"
    & skf18("9","10","7","6","10","10","1") = "9"
    & skf18("9","10","7","7","1","1","1") = "9"
    & skf18("9","10","7","7","1","2","1") = "9"
    & skf18("9","10","7","7","1","3","1") = "9"
    & skf18("9","10","7","7","1","4","1") = "9"
    & skf18("9","10","7","7","1","5","1") = "9"
    & skf18("9","10","7","7","1","6","1") = "9"
    & skf18("9","10","7","7","1","7","1") = "9"
    & skf18("9","10","7","7","1","8","1") = "9"
    & skf18("9","10","7","7","1","9","1") = "9"
    & skf18("9","10","7","7","1","10","1") = "9"
    & skf18("9","10","7","7","2","1","1") = "9"
    & skf18("9","10","7","7","2","2","1") = "9"
    & skf18("9","10","7","7","2","3","1") = "9"
    & skf18("9","10","7","7","2","4","1") = "9"
    & skf18("9","10","7","7","2","5","1") = "9"
    & skf18("9","10","7","7","2","6","1") = "9"
    & skf18("9","10","7","7","2","7","1") = "9"
    & skf18("9","10","7","7","2","8","1") = "9"
    & skf18("9","10","7","7","2","9","1") = "9"
    & skf18("9","10","7","7","2","10","1") = "9"
    & skf18("9","10","7","7","3","1","1") = "9"
    & skf18("9","10","7","7","3","2","1") = "9"
    & skf18("9","10","7","7","3","3","1") = "9"
    & skf18("9","10","7","7","3","4","1") = "9"
    & skf18("9","10","7","7","3","5","1") = "9"
    & skf18("9","10","7","7","3","6","1") = "9"
    & skf18("9","10","7","7","3","7","1") = "9"
    & skf18("9","10","7","7","3","8","1") = "9"
    & skf18("9","10","7","7","3","9","1") = "9"
    & skf18("9","10","7","7","3","10","1") = "9"
    & skf18("9","10","7","7","4","1","1") = "9"
    & skf18("9","10","7","7","4","2","1") = "9"
    & skf18("9","10","7","7","4","3","1") = "9"
    & skf18("9","10","7","7","4","4","1") = "9"
    & skf18("9","10","7","7","4","5","1") = "9"
    & skf18("9","10","7","7","4","6","1") = "9"
    & skf18("9","10","7","7","4","7","1") = "9"
    & skf18("9","10","7","7","4","8","1") = "9"
    & skf18("9","10","7","7","4","9","1") = "9"
    & skf18("9","10","7","7","4","10","1") = "9"
    & skf18("9","10","7","7","5","1","1") = "9"
    & skf18("9","10","7","7","5","2","1") = "9"
    & skf18("9","10","7","7","5","3","1") = "9"
    & skf18("9","10","7","7","5","4","1") = "9"
    & skf18("9","10","7","7","5","5","1") = "9"
    & skf18("9","10","7","7","5","6","1") = "9"
    & skf18("9","10","7","7","5","7","1") = "9"
    & skf18("9","10","7","7","5","8","1") = "9"
    & skf18("9","10","7","7","5","9","1") = "9"
    & skf18("9","10","7","7","5","10","1") = "9"
    & skf18("9","10","7","7","6","1","1") = "9"
    & skf18("9","10","7","7","6","2","1") = "9"
    & skf18("9","10","7","7","6","3","1") = "9"
    & skf18("9","10","7","7","6","4","1") = "9"
    & skf18("9","10","7","7","6","5","1") = "9"
    & skf18("9","10","7","7","6","6","1") = "9"
    & skf18("9","10","7","7","6","7","1") = "9"
    & skf18("9","10","7","7","6","8","1") = "9"
    & skf18("9","10","7","7","6","9","1") = "9"
    & skf18("9","10","7","7","6","10","1") = "9"
    & skf18("9","10","7","7","7","1","1") = "9"
    & skf18("9","10","7","7","7","2","1") = "9"
    & skf18("9","10","7","7","7","3","1") = "9"
    & skf18("9","10","7","7","7","4","1") = "9"
    & skf18("9","10","7","7","7","5","1") = "9"
    & skf18("9","10","7","7","7","6","1") = "9"
    & skf18("9","10","7","7","7","7","1") = "9"
    & skf18("9","10","7","7","7","8","1") = "9"
    & skf18("9","10","7","7","7","9","1") = "9"
    & skf18("9","10","7","7","7","10","1") = "9"
    & skf18("9","10","7","7","8","1","1") = "9"
    & skf18("9","10","7","7","8","2","1") = "9"
    & skf18("9","10","7","7","8","3","1") = "9"
    & skf18("9","10","7","7","8","4","1") = "9"
    & skf18("9","10","7","7","8","5","1") = "9"
    & skf18("9","10","7","7","8","6","1") = "9"
    & skf18("9","10","7","7","8","7","1") = "9"
    & skf18("9","10","7","7","8","8","1") = "9"
    & skf18("9","10","7","7","8","9","1") = "9"
    & skf18("9","10","7","7","8","10","1") = "9"
    & skf18("9","10","7","7","9","1","1") = "9"
    & skf18("9","10","7","7","9","2","1") = "9"
    & skf18("9","10","7","7","9","3","1") = "9"
    & skf18("9","10","7","7","9","4","1") = "9"
    & skf18("9","10","7","7","9","5","1") = "9"
    & skf18("9","10","7","7","9","6","1") = "9"
    & skf18("9","10","7","7","9","7","1") = "9"
    & skf18("9","10","7","7","9","8","1") = "9"
    & skf18("9","10","7","7","9","9","1") = "9"
    & skf18("9","10","7","7","9","10","1") = "9"
    & skf18("9","10","7","7","10","1","1") = "9"
    & skf18("9","10","7","7","10","2","1") = "9"
    & skf18("9","10","7","7","10","3","1") = "9"
    & skf18("9","10","7","7","10","4","1") = "9"
    & skf18("9","10","7","7","10","5","1") = "9"
    & skf18("9","10","7","7","10","6","1") = "9"
    & skf18("9","10","7","7","10","7","1") = "9"
    & skf18("9","10","7","7","10","8","1") = "9"
    & skf18("9","10","7","7","10","9","1") = "9"
    & skf18("9","10","7","7","10","10","1") = "9"
    & skf18("9","10","7","8","1","1","1") = "9"
    & skf18("9","10","7","8","1","2","1") = "9"
    & skf18("9","10","7","8","1","3","1") = "9"
    & skf18("9","10","7","8","1","4","1") = "9"
    & skf18("9","10","7","8","1","5","1") = "9"
    & skf18("9","10","7","8","1","6","1") = "9"
    & skf18("9","10","7","8","1","7","1") = "9"
    & skf18("9","10","7","8","1","8","1") = "9"
    & skf18("9","10","7","8","1","9","1") = "9"
    & skf18("9","10","7","8","1","10","1") = "9"
    & skf18("9","10","7","8","2","1","1") = "9"
    & skf18("9","10","7","8","2","2","1") = "9"
    & skf18("9","10","7","8","2","3","1") = "9"
    & skf18("9","10","7","8","2","4","1") = "9"
    & skf18("9","10","7","8","2","5","1") = "9"
    & skf18("9","10","7","8","2","6","1") = "9"
    & skf18("9","10","7","8","2","7","1") = "9"
    & skf18("9","10","7","8","2","8","1") = "9"
    & skf18("9","10","7","8","2","9","1") = "9"
    & skf18("9","10","7","8","2","10","1") = "9"
    & skf18("9","10","7","8","3","1","1") = "9"
    & skf18("9","10","7","8","3","2","1") = "9"
    & skf18("9","10","7","8","3","3","1") = "9"
    & skf18("9","10","7","8","3","4","1") = "9"
    & skf18("9","10","7","8","3","5","1") = "9"
    & skf18("9","10","7","8","3","6","1") = "9"
    & skf18("9","10","7","8","3","7","1") = "9"
    & skf18("9","10","7","8","3","8","1") = "9"
    & skf18("9","10","7","8","3","9","1") = "9"
    & skf18("9","10","7","8","3","10","1") = "9"
    & skf18("9","10","7","8","4","1","1") = "9"
    & skf18("9","10","7","8","4","2","1") = "9"
    & skf18("9","10","7","8","4","3","1") = "9"
    & skf18("9","10","7","8","4","4","1") = "9"
    & skf18("9","10","7","8","4","5","1") = "9"
    & skf18("9","10","7","8","4","6","1") = "9"
    & skf18("9","10","7","8","4","7","1") = "9"
    & skf18("9","10","7","8","4","8","1") = "9"
    & skf18("9","10","7","8","4","9","1") = "9"
    & skf18("9","10","7","8","4","10","1") = "9"
    & skf18("9","10","7","8","5","1","1") = "9"
    & skf18("9","10","7","8","5","2","1") = "9"
    & skf18("9","10","7","8","5","3","1") = "9"
    & skf18("9","10","7","8","5","4","1") = "9"
    & skf18("9","10","7","8","5","5","1") = "9"
    & skf18("9","10","7","8","5","6","1") = "9"
    & skf18("9","10","7","8","5","7","1") = "9"
    & skf18("9","10","7","8","5","8","1") = "9"
    & skf18("9","10","7","8","5","9","1") = "9"
    & skf18("9","10","7","8","5","10","1") = "9"
    & skf18("9","10","7","8","6","1","1") = "9"
    & skf18("9","10","7","8","6","2","1") = "9"
    & skf18("9","10","7","8","6","3","1") = "9"
    & skf18("9","10","7","8","6","4","1") = "9"
    & skf18("9","10","7","8","6","5","1") = "9"
    & skf18("9","10","7","8","6","6","1") = "9"
    & skf18("9","10","7","8","6","7","1") = "9"
    & skf18("9","10","7","8","6","8","1") = "9"
    & skf18("9","10","7","8","6","9","1") = "9"
    & skf18("9","10","7","8","6","10","1") = "9"
    & skf18("9","10","7","8","7","1","1") = "9"
    & skf18("9","10","7","8","7","2","1") = "9"
    & skf18("9","10","7","8","7","3","1") = "9"
    & skf18("9","10","7","8","7","4","1") = "9"
    & skf18("9","10","7","8","7","5","1") = "9"
    & skf18("9","10","7","8","7","6","1") = "9"
    & skf18("9","10","7","8","7","7","1") = "9"
    & skf18("9","10","7","8","7","8","1") = "9"
    & skf18("9","10","7","8","7","9","1") = "9"
    & skf18("9","10","7","8","7","10","1") = "9"
    & skf18("9","10","7","8","8","1","1") = "9"
    & skf18("9","10","7","8","8","2","1") = "9"
    & skf18("9","10","7","8","8","3","1") = "9"
    & skf18("9","10","7","8","8","4","1") = "9"
    & skf18("9","10","7","8","8","5","1") = "9"
    & skf18("9","10","7","8","8","6","1") = "9"
    & skf18("9","10","7","8","8","7","1") = "9"
    & skf18("9","10","7","8","8","8","1") = "9"
    & skf18("9","10","7","8","8","9","1") = "9"
    & skf18("9","10","7","8","8","10","1") = "9"
    & skf18("9","10","7","8","9","1","1") = "9"
    & skf18("9","10","7","8","9","2","1") = "9"
    & skf18("9","10","7","8","9","3","1") = "9"
    & skf18("9","10","7","8","9","4","1") = "9"
    & skf18("9","10","7","8","9","5","1") = "9"
    & skf18("9","10","7","8","9","6","1") = "9"
    & skf18("9","10","7","8","9","7","1") = "9"
    & skf18("9","10","7","8","9","8","1") = "9"
    & skf18("9","10","7","8","9","9","1") = "9"
    & skf18("9","10","7","8","9","10","1") = "9"
    & skf18("9","10","7","8","10","1","1") = "9"
    & skf18("9","10","7","8","10","2","1") = "9"
    & skf18("9","10","7","8","10","3","1") = "9"
    & skf18("9","10","7","8","10","4","1") = "9"
    & skf18("9","10","7","8","10","5","1") = "9"
    & skf18("9","10","7","8","10","6","1") = "9"
    & skf18("9","10","7","8","10","7","1") = "9"
    & skf18("9","10","7","8","10","8","1") = "9"
    & skf18("9","10","7","8","10","9","1") = "9"
    & skf18("9","10","7","8","10","10","1") = "9"
    & skf18("9","10","7","9","1","1","1") = "9"
    & skf18("9","10","7","9","1","2","1") = "9"
    & skf18("9","10","7","9","1","3","1") = "9"
    & skf18("9","10","7","9","1","4","1") = "9"
    & skf18("9","10","7","9","1","5","1") = "9"
    & skf18("9","10","7","9","1","6","1") = "9"
    & skf18("9","10","7","9","1","7","1") = "9"
    & skf18("9","10","7","9","1","8","1") = "9"
    & skf18("9","10","7","9","1","9","1") = "9"
    & skf18("9","10","7","9","1","10","1") = "9"
    & skf18("9","10","7","9","2","1","1") = "9"
    & skf18("9","10","7","9","2","2","1") = "9"
    & skf18("9","10","7","9","2","3","1") = "9"
    & skf18("9","10","7","9","2","4","1") = "9"
    & skf18("9","10","7","9","2","5","1") = "9"
    & skf18("9","10","7","9","2","6","1") = "9"
    & skf18("9","10","7","9","2","7","1") = "9"
    & skf18("9","10","7","9","2","8","1") = "9"
    & skf18("9","10","7","9","2","9","1") = "9"
    & skf18("9","10","7","9","2","10","1") = "9"
    & skf18("9","10","7","9","3","1","1") = "9"
    & skf18("9","10","7","9","3","2","1") = "9"
    & skf18("9","10","7","9","3","3","1") = "9"
    & skf18("9","10","7","9","3","4","1") = "9"
    & skf18("9","10","7","9","3","5","1") = "9"
    & skf18("9","10","7","9","3","6","1") = "9"
    & skf18("9","10","7","9","3","7","1") = "9"
    & skf18("9","10","7","9","3","8","1") = "9"
    & skf18("9","10","7","9","3","9","1") = "9"
    & skf18("9","10","7","9","3","10","1") = "9"
    & skf18("9","10","7","9","4","1","1") = "9"
    & skf18("9","10","7","9","4","2","1") = "9"
    & skf18("9","10","7","9","4","3","1") = "9"
    & skf18("9","10","7","9","4","4","1") = "9"
    & skf18("9","10","7","9","4","5","1") = "9"
    & skf18("9","10","7","9","4","6","1") = "9"
    & skf18("9","10","7","9","4","7","1") = "9"
    & skf18("9","10","7","9","4","8","1") = "9"
    & skf18("9","10","7","9","4","9","1") = "9"
    & skf18("9","10","7","9","4","10","1") = "9"
    & skf18("9","10","7","9","5","1","1") = "9"
    & skf18("9","10","7","9","5","2","1") = "9"
    & skf18("9","10","7","9","5","3","1") = "9"
    & skf18("9","10","7","9","5","4","1") = "9"
    & skf18("9","10","7","9","5","5","1") = "9"
    & skf18("9","10","7","9","5","6","1") = "9"
    & skf18("9","10","7","9","5","7","1") = "9"
    & skf18("9","10","7","9","5","8","1") = "9"
    & skf18("9","10","7","9","5","9","1") = "9"
    & skf18("9","10","7","9","5","10","1") = "9"
    & skf18("9","10","7","9","6","1","1") = "9"
    & skf18("9","10","7","9","6","2","1") = "9"
    & skf18("9","10","7","9","6","3","1") = "9"
    & skf18("9","10","7","9","6","4","1") = "9"
    & skf18("9","10","7","9","6","5","1") = "9"
    & skf18("9","10","7","9","6","6","1") = "9"
    & skf18("9","10","7","9","6","7","1") = "9"
    & skf18("9","10","7","9","6","8","1") = "9"
    & skf18("9","10","7","9","6","9","1") = "9"
    & skf18("9","10","7","9","6","10","1") = "9"
    & skf18("9","10","7","9","7","1","1") = "9"
    & skf18("9","10","7","9","7","2","1") = "9"
    & skf18("9","10","7","9","7","3","1") = "9"
    & skf18("9","10","7","9","7","4","1") = "9"
    & skf18("9","10","7","9","7","5","1") = "9"
    & skf18("9","10","7","9","7","6","1") = "9"
    & skf18("9","10","7","9","7","7","1") = "9"
    & skf18("9","10","7","9","7","8","1") = "9"
    & skf18("9","10","7","9","7","9","1") = "9"
    & skf18("9","10","7","9","7","10","1") = "9"
    & skf18("9","10","7","9","8","1","1") = "9"
    & skf18("9","10","7","9","8","2","1") = "9"
    & skf18("9","10","7","9","8","3","1") = "9"
    & skf18("9","10","7","9","8","4","1") = "9"
    & skf18("9","10","7","9","8","5","1") = "9"
    & skf18("9","10","7","9","8","6","1") = "9"
    & skf18("9","10","7","9","8","7","1") = "9"
    & skf18("9","10","7","9","8","8","1") = "9"
    & skf18("9","10","7","9","8","9","1") = "9"
    & skf18("9","10","7","9","8","10","1") = "9"
    & skf18("9","10","7","9","9","1","1") = "9"
    & skf18("9","10","7","9","9","2","1") = "9"
    & skf18("9","10","7","9","9","3","1") = "9"
    & skf18("9","10","7","9","9","4","1") = "9"
    & skf18("9","10","7","9","9","5","1") = "9"
    & skf18("9","10","7","9","9","6","1") = "9"
    & skf18("9","10","7","9","9","7","1") = "9"
    & skf18("9","10","7","9","9","8","1") = "9"
    & skf18("9","10","7","9","9","9","1") = "9"
    & skf18("9","10","7","9","9","10","1") = "9"
    & skf18("9","10","7","9","10","1","1") = "9"
    & skf18("9","10","7","9","10","2","1") = "9"
    & skf18("9","10","7","9","10","3","1") = "9"
    & skf18("9","10","7","9","10","4","1") = "9"
    & skf18("9","10","7","9","10","5","1") = "9"
    & skf18("9","10","7","9","10","6","1") = "9"
    & skf18("9","10","7","9","10","7","1") = "9"
    & skf18("9","10","7","9","10","8","1") = "9"
    & skf18("9","10","7","9","10","9","1") = "9"
    & skf18("9","10","7","9","10","10","1") = "9"
    & skf18("9","10","7","10","1","1","1") = "9"
    & skf18("9","10","7","10","1","2","1") = "9"
    & skf18("9","10","7","10","1","3","1") = "9"
    & skf18("9","10","7","10","1","4","1") = "9"
    & skf18("9","10","7","10","1","5","1") = "9"
    & skf18("9","10","7","10","1","6","1") = "9"
    & skf18("9","10","7","10","1","7","1") = "9"
    & skf18("9","10","7","10","1","8","1") = "9"
    & skf18("9","10","7","10","1","9","1") = "9"
    & skf18("9","10","7","10","1","10","1") = "9"
    & skf18("9","10","7","10","2","1","1") = "9"
    & skf18("9","10","7","10","2","2","1") = "9"
    & skf18("9","10","7","10","2","3","1") = "9"
    & skf18("9","10","7","10","2","4","1") = "9"
    & skf18("9","10","7","10","2","5","1") = "9"
    & skf18("9","10","7","10","2","6","1") = "9"
    & skf18("9","10","7","10","2","7","1") = "9"
    & skf18("9","10","7","10","2","8","1") = "9"
    & skf18("9","10","7","10","2","9","1") = "9"
    & skf18("9","10","7","10","2","10","1") = "9"
    & skf18("9","10","7","10","3","1","1") = "9"
    & skf18("9","10","7","10","3","2","1") = "9"
    & skf18("9","10","7","10","3","3","1") = "9"
    & skf18("9","10","7","10","3","4","1") = "9"
    & skf18("9","10","7","10","3","5","1") = "9"
    & skf18("9","10","7","10","3","6","1") = "9"
    & skf18("9","10","7","10","3","7","1") = "9"
    & skf18("9","10","7","10","3","8","1") = "9"
    & skf18("9","10","7","10","3","9","1") = "9"
    & skf18("9","10","7","10","3","10","1") = "9"
    & skf18("9","10","7","10","4","1","1") = "9"
    & skf18("9","10","7","10","4","2","1") = "9"
    & skf18("9","10","7","10","4","3","1") = "9"
    & skf18("9","10","7","10","4","4","1") = "9"
    & skf18("9","10","7","10","4","5","1") = "9"
    & skf18("9","10","7","10","4","6","1") = "9"
    & skf18("9","10","7","10","4","7","1") = "9"
    & skf18("9","10","7","10","4","8","1") = "9"
    & skf18("9","10","7","10","4","9","1") = "9"
    & skf18("9","10","7","10","4","10","1") = "9"
    & skf18("9","10","7","10","5","1","1") = "9"
    & skf18("9","10","7","10","5","2","1") = "9"
    & skf18("9","10","7","10","5","3","1") = "9"
    & skf18("9","10","7","10","5","4","1") = "9"
    & skf18("9","10","7","10","5","5","1") = "9"
    & skf18("9","10","7","10","5","6","1") = "9"
    & skf18("9","10","7","10","5","7","1") = "9"
    & skf18("9","10","7","10","5","8","1") = "9"
    & skf18("9","10","7","10","5","9","1") = "9"
    & skf18("9","10","7","10","5","10","1") = "9"
    & skf18("9","10","7","10","6","1","1") = "9"
    & skf18("9","10","7","10","6","2","1") = "9"
    & skf18("9","10","7","10","6","3","1") = "9"
    & skf18("9","10","7","10","6","4","1") = "9"
    & skf18("9","10","7","10","6","5","1") = "9"
    & skf18("9","10","7","10","6","6","1") = "9"
    & skf18("9","10","7","10","6","7","1") = "9"
    & skf18("9","10","7","10","6","8","1") = "9"
    & skf18("9","10","7","10","6","9","1") = "9"
    & skf18("9","10","7","10","6","10","1") = "9"
    & skf18("9","10","7","10","7","1","1") = "9"
    & skf18("9","10","7","10","7","2","1") = "9"
    & skf18("9","10","7","10","7","3","1") = "9"
    & skf18("9","10","7","10","7","4","1") = "9"
    & skf18("9","10","7","10","7","5","1") = "9"
    & skf18("9","10","7","10","7","6","1") = "9"
    & skf18("9","10","7","10","7","7","1") = "9"
    & skf18("9","10","7","10","7","8","1") = "9"
    & skf18("9","10","7","10","7","9","1") = "9"
    & skf18("9","10","7","10","7","10","1") = "9"
    & skf18("9","10","7","10","8","1","1") = "9"
    & skf18("9","10","7","10","8","2","1") = "9"
    & skf18("9","10","7","10","8","3","1") = "9"
    & skf18("9","10","7","10","8","4","1") = "9"
    & skf18("9","10","7","10","8","5","1") = "9"
    & skf18("9","10","7","10","8","6","1") = "9"
    & skf18("9","10","7","10","8","7","1") = "9"
    & skf18("9","10","7","10","8","8","1") = "9"
    & skf18("9","10","7","10","8","9","1") = "9"
    & skf18("9","10","7","10","8","10","1") = "9"
    & skf18("9","10","7","10","9","1","1") = "9"
    & skf18("9","10","7","10","9","2","1") = "9"
    & skf18("9","10","7","10","9","3","1") = "9"
    & skf18("9","10","7","10","9","4","1") = "9"
    & skf18("9","10","7","10","9","5","1") = "9"
    & skf18("9","10","7","10","9","6","1") = "9"
    & skf18("9","10","7","10","9","7","1") = "9"
    & skf18("9","10","7","10","9","8","1") = "9"
    & skf18("9","10","7","10","9","9","1") = "9"
    & skf18("9","10","7","10","9","10","1") = "9"
    & skf18("9","10","7","10","10","1","1") = "9"
    & skf18("9","10","7","10","10","2","1") = "9"
    & skf18("9","10","7","10","10","3","1") = "9"
    & skf18("9","10","7","10","10","4","1") = "9"
    & skf18("9","10","7","10","10","5","1") = "9"
    & skf18("9","10","7","10","10","6","1") = "9"
    & skf18("9","10","7","10","10","7","1") = "9"
    & skf18("9","10","7","10","10","8","1") = "9"
    & skf18("9","10","7","10","10","9","1") = "9"
    & skf18("9","10","7","10","10","10","1") = "9"
    & skf18("9","10","8","1","1","1","1") = "9"
    & skf18("9","10","8","1","1","2","1") = "9"
    & skf18("9","10","8","1","1","3","1") = "9"
    & skf18("9","10","8","1","1","4","1") = "9"
    & skf18("9","10","8","1","1","5","1") = "9"
    & skf18("9","10","8","1","1","6","1") = "9"
    & skf18("9","10","8","1","1","7","1") = "9"
    & skf18("9","10","8","1","1","8","1") = "9"
    & skf18("9","10","8","1","1","9","1") = "9"
    & skf18("9","10","8","1","1","10","1") = "9"
    & skf18("9","10","8","1","2","1","1") = "9"
    & skf18("9","10","8","1","2","2","1") = "9"
    & skf18("9","10","8","1","2","3","1") = "9"
    & skf18("9","10","8","1","2","4","1") = "9"
    & skf18("9","10","8","1","2","5","1") = "9"
    & skf18("9","10","8","1","2","6","1") = "9"
    & skf18("9","10","8","1","2","7","1") = "9"
    & skf18("9","10","8","1","2","8","1") = "9"
    & skf18("9","10","8","1","2","9","1") = "9"
    & skf18("9","10","8","1","2","10","1") = "9"
    & skf18("9","10","8","1","3","1","1") = "9"
    & skf18("9","10","8","1","3","2","1") = "9"
    & skf18("9","10","8","1","3","3","1") = "9"
    & skf18("9","10","8","1","3","4","1") = "9"
    & skf18("9","10","8","1","3","5","1") = "9"
    & skf18("9","10","8","1","3","6","1") = "9"
    & skf18("9","10","8","1","3","7","1") = "9"
    & skf18("9","10","8","1","3","8","1") = "9"
    & skf18("9","10","8","1","3","9","1") = "9"
    & skf18("9","10","8","1","3","10","1") = "9"
    & skf18("9","10","8","1","4","1","1") = "9"
    & skf18("9","10","8","1","4","2","1") = "9"
    & skf18("9","10","8","1","4","3","1") = "9"
    & skf18("9","10","8","1","4","4","1") = "9"
    & skf18("9","10","8","1","4","5","1") = "9"
    & skf18("9","10","8","1","4","6","1") = "9"
    & skf18("9","10","8","1","4","7","1") = "9"
    & skf18("9","10","8","1","4","8","1") = "9"
    & skf18("9","10","8","1","4","9","1") = "9"
    & skf18("9","10","8","1","4","10","1") = "9"
    & skf18("9","10","8","1","5","1","1") = "9"
    & skf18("9","10","8","1","5","2","1") = "9"
    & skf18("9","10","8","1","5","3","1") = "9"
    & skf18("9","10","8","1","5","4","1") = "9"
    & skf18("9","10","8","1","5","5","1") = "9"
    & skf18("9","10","8","1","5","6","1") = "9"
    & skf18("9","10","8","1","5","7","1") = "9"
    & skf18("9","10","8","1","5","8","1") = "9"
    & skf18("9","10","8","1","5","9","1") = "9"
    & skf18("9","10","8","1","5","10","1") = "9"
    & skf18("9","10","8","1","6","1","1") = "9"
    & skf18("9","10","8","1","6","2","1") = "9"
    & skf18("9","10","8","1","6","3","1") = "9"
    & skf18("9","10","8","1","6","4","1") = "9"
    & skf18("9","10","8","1","6","5","1") = "9"
    & skf18("9","10","8","1","6","6","1") = "9"
    & skf18("9","10","8","1","6","7","1") = "9"
    & skf18("9","10","8","1","6","8","1") = "9"
    & skf18("9","10","8","1","6","9","1") = "9"
    & skf18("9","10","8","1","6","10","1") = "9"
    & skf18("9","10","8","1","7","1","1") = "9"
    & skf18("9","10","8","1","7","2","1") = "9"
    & skf18("9","10","8","1","7","3","1") = "9"
    & skf18("9","10","8","1","7","4","1") = "9"
    & skf18("9","10","8","1","7","5","1") = "9"
    & skf18("9","10","8","1","7","6","1") = "9"
    & skf18("9","10","8","1","7","7","1") = "9"
    & skf18("9","10","8","1","7","8","1") = "9"
    & skf18("9","10","8","1","7","9","1") = "9"
    & skf18("9","10","8","1","7","10","1") = "9"
    & skf18("9","10","8","1","8","1","1") = "9"
    & skf18("9","10","8","1","8","2","1") = "9"
    & skf18("9","10","8","1","8","3","1") = "9"
    & skf18("9","10","8","1","8","4","1") = "9"
    & skf18("9","10","8","1","8","5","1") = "9"
    & skf18("9","10","8","1","8","6","1") = "9"
    & skf18("9","10","8","1","8","7","1") = "9"
    & skf18("9","10","8","1","8","8","1") = "9"
    & skf18("9","10","8","1","8","9","1") = "9"
    & skf18("9","10","8","1","8","10","1") = "9"
    & skf18("9","10","8","1","9","1","1") = "9"
    & skf18("9","10","8","1","9","2","1") = "9"
    & skf18("9","10","8","1","9","3","1") = "9"
    & skf18("9","10","8","1","9","4","1") = "9"
    & skf18("9","10","8","1","9","5","1") = "9"
    & skf18("9","10","8","1","9","6","1") = "9"
    & skf18("9","10","8","1","9","7","1") = "9"
    & skf18("9","10","8","1","9","8","1") = "9"
    & skf18("9","10","8","1","9","9","1") = "9"
    & skf18("9","10","8","1","9","10","1") = "9"
    & skf18("9","10","8","1","10","1","1") = "9"
    & skf18("9","10","8","1","10","2","1") = "9"
    & skf18("9","10","8","1","10","3","1") = "9"
    & skf18("9","10","8","1","10","4","1") = "9"
    & skf18("9","10","8","1","10","5","1") = "9"
    & skf18("9","10","8","1","10","6","1") = "9"
    & skf18("9","10","8","1","10","7","1") = "9"
    & skf18("9","10","8","1","10","8","1") = "9"
    & skf18("9","10","8","1","10","9","1") = "9"
    & skf18("9","10","8","1","10","10","1") = "9"
    & skf18("9","10","8","2","1","1","1") = "9"
    & skf18("9","10","8","2","1","2","1") = "9"
    & skf18("9","10","8","2","1","3","1") = "9"
    & skf18("9","10","8","2","1","4","1") = "9"
    & skf18("9","10","8","2","1","5","1") = "9"
    & skf18("9","10","8","2","1","6","1") = "9"
    & skf18("9","10","8","2","1","7","1") = "9"
    & skf18("9","10","8","2","1","8","1") = "9"
    & skf18("9","10","8","2","1","9","1") = "9"
    & skf18("9","10","8","2","1","10","1") = "9"
    & skf18("9","10","8","2","2","1","1") = "9"
    & skf18("9","10","8","2","2","2","1") = "9"
    & skf18("9","10","8","2","2","3","1") = "9"
    & skf18("9","10","8","2","2","4","1") = "9"
    & skf18("9","10","8","2","2","5","1") = "9"
    & skf18("9","10","8","2","2","6","1") = "9"
    & skf18("9","10","8","2","2","7","1") = "9"
    & skf18("9","10","8","2","2","8","1") = "9"
    & skf18("9","10","8","2","2","9","1") = "9"
    & skf18("9","10","8","2","2","10","1") = "9"
    & skf18("9","10","8","2","3","1","1") = "9"
    & skf18("9","10","8","2","3","2","1") = "9"
    & skf18("9","10","8","2","3","3","1") = "9"
    & skf18("9","10","8","2","3","4","1") = "9"
    & skf18("9","10","8","2","3","5","1") = "9"
    & skf18("9","10","8","2","3","6","1") = "9"
    & skf18("9","10","8","2","3","7","1") = "9"
    & skf18("9","10","8","2","3","8","1") = "9"
    & skf18("9","10","8","2","3","9","1") = "9"
    & skf18("9","10","8","2","3","10","1") = "9"
    & skf18("9","10","8","2","4","1","1") = "9"
    & skf18("9","10","8","2","4","2","1") = "9"
    & skf18("9","10","8","2","4","3","1") = "9"
    & skf18("9","10","8","2","4","4","1") = "9"
    & skf18("9","10","8","2","4","5","1") = "9"
    & skf18("9","10","8","2","4","6","1") = "9"
    & skf18("9","10","8","2","4","7","1") = "9"
    & skf18("9","10","8","2","4","8","1") = "9"
    & skf18("9","10","8","2","4","9","1") = "9"
    & skf18("9","10","8","2","4","10","1") = "9"
    & skf18("9","10","8","2","5","1","1") = "9"
    & skf18("9","10","8","2","5","2","1") = "9"
    & skf18("9","10","8","2","5","3","1") = "9"
    & skf18("9","10","8","2","5","4","1") = "9"
    & skf18("9","10","8","2","5","5","1") = "9"
    & skf18("9","10","8","2","5","6","1") = "9"
    & skf18("9","10","8","2","5","7","1") = "9"
    & skf18("9","10","8","2","5","8","1") = "9"
    & skf18("9","10","8","2","5","9","1") = "9"
    & skf18("9","10","8","2","5","10","1") = "9"
    & skf18("9","10","8","2","6","1","1") = "9"
    & skf18("9","10","8","2","6","2","1") = "9"
    & skf18("9","10","8","2","6","3","1") = "9"
    & skf18("9","10","8","2","6","4","1") = "9"
    & skf18("9","10","8","2","6","5","1") = "9"
    & skf18("9","10","8","2","6","6","1") = "9"
    & skf18("9","10","8","2","6","7","1") = "9"
    & skf18("9","10","8","2","6","8","1") = "9"
    & skf18("9","10","8","2","6","9","1") = "9"
    & skf18("9","10","8","2","6","10","1") = "9"
    & skf18("9","10","8","2","7","1","1") = "9"
    & skf18("9","10","8","2","7","2","1") = "9"
    & skf18("9","10","8","2","7","3","1") = "9"
    & skf18("9","10","8","2","7","4","1") = "9"
    & skf18("9","10","8","2","7","5","1") = "9"
    & skf18("9","10","8","2","7","6","1") = "9"
    & skf18("9","10","8","2","7","7","1") = "9"
    & skf18("9","10","8","2","7","8","1") = "9"
    & skf18("9","10","8","2","7","9","1") = "9"
    & skf18("9","10","8","2","7","10","1") = "9"
    & skf18("9","10","8","2","8","1","1") = "9"
    & skf18("9","10","8","2","8","2","1") = "9"
    & skf18("9","10","8","2","8","3","1") = "9"
    & skf18("9","10","8","2","8","4","1") = "9"
    & skf18("9","10","8","2","8","5","1") = "9"
    & skf18("9","10","8","2","8","6","1") = "9"
    & skf18("9","10","8","2","8","7","1") = "9"
    & skf18("9","10","8","2","8","8","1") = "9"
    & skf18("9","10","8","2","8","9","1") = "9"
    & skf18("9","10","8","2","8","10","1") = "9"
    & skf18("9","10","8","2","9","1","1") = "9"
    & skf18("9","10","8","2","9","2","1") = "9"
    & skf18("9","10","8","2","9","3","1") = "9"
    & skf18("9","10","8","2","9","4","1") = "9"
    & skf18("9","10","8","2","9","5","1") = "9"
    & skf18("9","10","8","2","9","6","1") = "9"
    & skf18("9","10","8","2","9","7","1") = "9"
    & skf18("9","10","8","2","9","8","1") = "9"
    & skf18("9","10","8","2","9","9","1") = "9"
    & skf18("9","10","8","2","9","10","1") = "9"
    & skf18("9","10","8","2","10","1","1") = "9"
    & skf18("9","10","8","2","10","2","1") = "9"
    & skf18("9","10","8","2","10","3","1") = "9"
    & skf18("9","10","8","2","10","4","1") = "9"
    & skf18("9","10","8","2","10","5","1") = "9"
    & skf18("9","10","8","2","10","6","1") = "9"
    & skf18("9","10","8","2","10","7","1") = "9"
    & skf18("9","10","8","2","10","8","1") = "9"
    & skf18("9","10","8","2","10","9","1") = "9"
    & skf18("9","10","8","2","10","10","1") = "9"
    & skf18("9","10","8","3","1","1","1") = "9"
    & skf18("9","10","8","3","1","2","1") = "9"
    & skf18("9","10","8","3","1","3","1") = "9"
    & skf18("9","10","8","3","1","4","1") = "9"
    & skf18("9","10","8","3","1","5","1") = "9"
    & skf18("9","10","8","3","1","6","1") = "9"
    & skf18("9","10","8","3","1","7","1") = "9"
    & skf18("9","10","8","3","1","8","1") = "9"
    & skf18("9","10","8","3","1","9","1") = "9"
    & skf18("9","10","8","3","1","10","1") = "9"
    & skf18("9","10","8","3","2","1","1") = "9"
    & skf18("9","10","8","3","2","2","1") = "9"
    & skf18("9","10","8","3","2","3","1") = "9"
    & skf18("9","10","8","3","2","4","1") = "9"
    & skf18("9","10","8","3","2","5","1") = "9"
    & skf18("9","10","8","3","2","6","1") = "9"
    & skf18("9","10","8","3","2","7","1") = "9"
    & skf18("9","10","8","3","2","8","1") = "9"
    & skf18("9","10","8","3","2","9","1") = "9"
    & skf18("9","10","8","3","2","10","1") = "9"
    & skf18("9","10","8","3","3","1","1") = "9"
    & skf18("9","10","8","3","3","2","1") = "9"
    & skf18("9","10","8","3","3","3","1") = "9"
    & skf18("9","10","8","3","3","4","1") = "9"
    & skf18("9","10","8","3","3","5","1") = "9"
    & skf18("9","10","8","3","3","6","1") = "9"
    & skf18("9","10","8","3","3","7","1") = "9"
    & skf18("9","10","8","3","3","8","1") = "9"
    & skf18("9","10","8","3","3","9","1") = "9"
    & skf18("9","10","8","3","3","10","1") = "9"
    & skf18("9","10","8","3","4","1","1") = "9"
    & skf18("9","10","8","3","4","2","1") = "9"
    & skf18("9","10","8","3","4","3","1") = "9"
    & skf18("9","10","8","3","4","4","1") = "9"
    & skf18("9","10","8","3","4","5","1") = "9"
    & skf18("9","10","8","3","4","6","1") = "9"
    & skf18("9","10","8","3","4","7","1") = "9"
    & skf18("9","10","8","3","4","8","1") = "9"
    & skf18("9","10","8","3","4","9","1") = "9"
    & skf18("9","10","8","3","4","10","1") = "9"
    & skf18("9","10","8","3","5","1","1") = "9"
    & skf18("9","10","8","3","5","2","1") = "9"
    & skf18("9","10","8","3","5","3","1") = "9"
    & skf18("9","10","8","3","5","4","1") = "9"
    & skf18("9","10","8","3","5","5","1") = "9"
    & skf18("9","10","8","3","5","6","1") = "9"
    & skf18("9","10","8","3","5","7","1") = "9"
    & skf18("9","10","8","3","5","8","1") = "9"
    & skf18("9","10","8","3","5","9","1") = "9"
    & skf18("9","10","8","3","5","10","1") = "9"
    & skf18("9","10","8","3","6","1","1") = "9"
    & skf18("9","10","8","3","6","2","1") = "9"
    & skf18("9","10","8","3","6","3","1") = "9"
    & skf18("9","10","8","3","6","4","1") = "9"
    & skf18("9","10","8","3","6","5","1") = "9"
    & skf18("9","10","8","3","6","6","1") = "9"
    & skf18("9","10","8","3","6","7","1") = "9"
    & skf18("9","10","8","3","6","8","1") = "9"
    & skf18("9","10","8","3","6","9","1") = "9"
    & skf18("9","10","8","3","6","10","1") = "9"
    & skf18("9","10","8","3","7","1","1") = "9"
    & skf18("9","10","8","3","7","2","1") = "9"
    & skf18("9","10","8","3","7","3","1") = "9"
    & skf18("9","10","8","3","7","4","1") = "9"
    & skf18("9","10","8","3","7","5","1") = "9"
    & skf18("9","10","8","3","7","6","1") = "9"
    & skf18("9","10","8","3","7","7","1") = "9"
    & skf18("9","10","8","3","7","8","1") = "9"
    & skf18("9","10","8","3","7","9","1") = "9"
    & skf18("9","10","8","3","7","10","1") = "9"
    & skf18("9","10","8","3","8","1","1") = "9"
    & skf18("9","10","8","3","8","2","1") = "9"
    & skf18("9","10","8","3","8","3","1") = "9"
    & skf18("9","10","8","3","8","4","1") = "9"
    & skf18("9","10","8","3","8","5","1") = "9"
    & skf18("9","10","8","3","8","6","1") = "9"
    & skf18("9","10","8","3","8","7","1") = "9"
    & skf18("9","10","8","3","8","8","1") = "9"
    & skf18("9","10","8","3","8","9","1") = "9"
    & skf18("9","10","8","3","8","10","1") = "9"
    & skf18("9","10","8","3","9","1","1") = "9"
    & skf18("9","10","8","3","9","2","1") = "9"
    & skf18("9","10","8","3","9","3","1") = "9"
    & skf18("9","10","8","3","9","4","1") = "9"
    & skf18("9","10","8","3","9","5","1") = "9"
    & skf18("9","10","8","3","9","6","1") = "9"
    & skf18("9","10","8","3","9","7","1") = "9"
    & skf18("9","10","8","3","9","8","1") = "9"
    & skf18("9","10","8","3","9","9","1") = "9"
    & skf18("9","10","8","3","9","10","1") = "9"
    & skf18("9","10","8","3","10","1","1") = "9"
    & skf18("9","10","8","3","10","2","1") = "9"
    & skf18("9","10","8","3","10","3","1") = "9"
    & skf18("9","10","8","3","10","4","1") = "9"
    & skf18("9","10","8","3","10","5","1") = "9"
    & skf18("9","10","8","3","10","6","1") = "9"
    & skf18("9","10","8","3","10","7","1") = "9"
    & skf18("9","10","8","3","10","8","1") = "9"
    & skf18("9","10","8","3","10","9","1") = "9"
    & skf18("9","10","8","3","10","10","1") = "9"
    & skf18("9","10","8","4","1","1","1") = "9"
    & skf18("9","10","8","4","1","2","1") = "9"
    & skf18("9","10","8","4","1","3","1") = "9"
    & skf18("9","10","8","4","1","4","1") = "9"
    & skf18("9","10","8","4","1","5","1") = "9"
    & skf18("9","10","8","4","1","6","1") = "9"
    & skf18("9","10","8","4","1","7","1") = "9"
    & skf18("9","10","8","4","1","8","1") = "9"
    & skf18("9","10","8","4","1","9","1") = "9"
    & skf18("9","10","8","4","1","10","1") = "9"
    & skf18("9","10","8","4","2","1","1") = "9"
    & skf18("9","10","8","4","2","2","1") = "9"
    & skf18("9","10","8","4","2","3","1") = "9"
    & skf18("9","10","8","4","2","4","1") = "9"
    & skf18("9","10","8","4","2","5","1") = "9"
    & skf18("9","10","8","4","2","6","1") = "9"
    & skf18("9","10","8","4","2","7","1") = "9"
    & skf18("9","10","8","4","2","8","1") = "9"
    & skf18("9","10","8","4","2","9","1") = "9"
    & skf18("9","10","8","4","2","10","1") = "9"
    & skf18("9","10","8","4","3","1","1") = "9"
    & skf18("9","10","8","4","3","2","1") = "9"
    & skf18("9","10","8","4","3","3","1") = "9"
    & skf18("9","10","8","4","3","4","1") = "9"
    & skf18("9","10","8","4","3","5","1") = "9"
    & skf18("9","10","8","4","3","6","1") = "9"
    & skf18("9","10","8","4","3","7","1") = "9"
    & skf18("9","10","8","4","3","8","1") = "9"
    & skf18("9","10","8","4","3","9","1") = "9"
    & skf18("9","10","8","4","3","10","1") = "9"
    & skf18("9","10","8","4","4","1","1") = "9"
    & skf18("9","10","8","4","4","2","1") = "9"
    & skf18("9","10","8","4","4","3","1") = "9"
    & skf18("9","10","8","4","4","4","1") = "9"
    & skf18("9","10","8","4","4","5","1") = "9"
    & skf18("9","10","8","4","4","6","1") = "9"
    & skf18("9","10","8","4","4","7","1") = "9"
    & skf18("9","10","8","4","4","8","1") = "9"
    & skf18("9","10","8","4","4","9","1") = "9"
    & skf18("9","10","8","4","4","10","1") = "9"
    & skf18("9","10","8","4","5","1","1") = "9"
    & skf18("9","10","8","4","5","2","1") = "9"
    & skf18("9","10","8","4","5","3","1") = "9"
    & skf18("9","10","8","4","5","4","1") = "9"
    & skf18("9","10","8","4","5","5","1") = "9"
    & skf18("9","10","8","4","5","6","1") = "9"
    & skf18("9","10","8","4","5","7","1") = "9"
    & skf18("9","10","8","4","5","8","1") = "9"
    & skf18("9","10","8","4","5","9","1") = "9"
    & skf18("9","10","8","4","5","10","1") = "9"
    & skf18("9","10","8","4","6","1","1") = "9"
    & skf18("9","10","8","4","6","2","1") = "9"
    & skf18("9","10","8","4","6","3","1") = "9"
    & skf18("9","10","8","4","6","4","1") = "9"
    & skf18("9","10","8","4","6","5","1") = "9"
    & skf18("9","10","8","4","6","6","1") = "9"
    & skf18("9","10","8","4","6","7","1") = "9"
    & skf18("9","10","8","4","6","8","1") = "9"
    & skf18("9","10","8","4","6","9","1") = "9"
    & skf18("9","10","8","4","6","10","1") = "9"
    & skf18("9","10","8","4","7","1","1") = "9"
    & skf18("9","10","8","4","7","2","1") = "9"
    & skf18("9","10","8","4","7","3","1") = "9"
    & skf18("9","10","8","4","7","4","1") = "9"
    & skf18("9","10","8","4","7","5","1") = "9"
    & skf18("9","10","8","4","7","6","1") = "9"
    & skf18("9","10","8","4","7","7","1") = "9"
    & skf18("9","10","8","4","7","8","1") = "9"
    & skf18("9","10","8","4","7","9","1") = "9"
    & skf18("9","10","8","4","7","10","1") = "9"
    & skf18("9","10","8","4","8","1","1") = "9"
    & skf18("9","10","8","4","8","2","1") = "9"
    & skf18("9","10","8","4","8","3","1") = "9"
    & skf18("9","10","8","4","8","4","1") = "9"
    & skf18("9","10","8","4","8","5","1") = "9"
    & skf18("9","10","8","4","8","6","1") = "9"
    & skf18("9","10","8","4","8","7","1") = "9"
    & skf18("9","10","8","4","8","8","1") = "9"
    & skf18("9","10","8","4","8","9","1") = "9"
    & skf18("9","10","8","4","8","10","1") = "9"
    & skf18("9","10","8","4","9","1","1") = "9"
    & skf18("9","10","8","4","9","2","1") = "9"
    & skf18("9","10","8","4","9","3","1") = "9"
    & skf18("9","10","8","4","9","4","1") = "9"
    & skf18("9","10","8","4","9","5","1") = "9"
    & skf18("9","10","8","4","9","6","1") = "9"
    & skf18("9","10","8","4","9","7","1") = "9"
    & skf18("9","10","8","4","9","8","1") = "9"
    & skf18("9","10","8","4","9","9","1") = "9"
    & skf18("9","10","8","4","9","10","1") = "9"
    & skf18("9","10","8","4","10","1","1") = "9"
    & skf18("9","10","8","4","10","2","1") = "9"
    & skf18("9","10","8","4","10","3","1") = "9"
    & skf18("9","10","8","4","10","4","1") = "9"
    & skf18("9","10","8","4","10","5","1") = "9"
    & skf18("9","10","8","4","10","6","1") = "9"
    & skf18("9","10","8","4","10","7","1") = "9"
    & skf18("9","10","8","4","10","8","1") = "9"
    & skf18("9","10","8","4","10","9","1") = "9"
    & skf18("9","10","8","4","10","10","1") = "9"
    & skf18("9","10","8","5","1","1","1") = "9"
    & skf18("9","10","8","5","1","2","1") = "9"
    & skf18("9","10","8","5","1","3","1") = "9"
    & skf18("9","10","8","5","1","4","1") = "9"
    & skf18("9","10","8","5","1","5","1") = "9"
    & skf18("9","10","8","5","1","6","1") = "9"
    & skf18("9","10","8","5","1","7","1") = "9"
    & skf18("9","10","8","5","1","8","1") = "9"
    & skf18("9","10","8","5","1","9","1") = "9"
    & skf18("9","10","8","5","1","10","1") = "9"
    & skf18("9","10","8","5","2","1","1") = "9"
    & skf18("9","10","8","5","2","2","1") = "9"
    & skf18("9","10","8","5","2","3","1") = "9"
    & skf18("9","10","8","5","2","4","1") = "9"
    & skf18("9","10","8","5","2","5","1") = "9"
    & skf18("9","10","8","5","2","6","1") = "9"
    & skf18("9","10","8","5","2","7","1") = "9"
    & skf18("9","10","8","5","2","8","1") = "9"
    & skf18("9","10","8","5","2","9","1") = "9"
    & skf18("9","10","8","5","2","10","1") = "9"
    & skf18("9","10","8","5","3","1","1") = "9"
    & skf18("9","10","8","5","3","2","1") = "9"
    & skf18("9","10","8","5","3","3","1") = "9"
    & skf18("9","10","8","5","3","4","1") = "9"
    & skf18("9","10","8","5","3","5","1") = "9"
    & skf18("9","10","8","5","3","6","1") = "9"
    & skf18("9","10","8","5","3","7","1") = "9"
    & skf18("9","10","8","5","3","8","1") = "9"
    & skf18("9","10","8","5","3","9","1") = "9"
    & skf18("9","10","8","5","3","10","1") = "9"
    & skf18("9","10","8","5","4","1","1") = "9"
    & skf18("9","10","8","5","4","2","1") = "9"
    & skf18("9","10","8","5","4","3","1") = "9"
    & skf18("9","10","8","5","4","4","1") = "9"
    & skf18("9","10","8","5","4","5","1") = "9"
    & skf18("9","10","8","5","4","6","1") = "9"
    & skf18("9","10","8","5","4","7","1") = "9"
    & skf18("9","10","8","5","4","8","1") = "9"
    & skf18("9","10","8","5","4","9","1") = "9"
    & skf18("9","10","8","5","4","10","1") = "9"
    & skf18("9","10","8","5","5","1","1") = "9"
    & skf18("9","10","8","5","5","2","1") = "9"
    & skf18("9","10","8","5","5","3","1") = "9"
    & skf18("9","10","8","5","5","4","1") = "9"
    & skf18("9","10","8","5","5","5","1") = "9"
    & skf18("9","10","8","5","5","6","1") = "9"
    & skf18("9","10","8","5","5","7","1") = "9"
    & skf18("9","10","8","5","5","8","1") = "9"
    & skf18("9","10","8","5","5","9","1") = "9"
    & skf18("9","10","8","5","5","10","1") = "9"
    & skf18("9","10","8","5","6","1","1") = "9"
    & skf18("9","10","8","5","6","2","1") = "9"
    & skf18("9","10","8","5","6","3","1") = "9"
    & skf18("9","10","8","5","6","4","1") = "9"
    & skf18("9","10","8","5","6","5","1") = "9"
    & skf18("9","10","8","5","6","6","1") = "9"
    & skf18("9","10","8","5","6","7","1") = "9"
    & skf18("9","10","8","5","6","8","1") = "9"
    & skf18("9","10","8","5","6","9","1") = "9"
    & skf18("9","10","8","5","6","10","1") = "9"
    & skf18("9","10","8","5","7","1","1") = "9"
    & skf18("9","10","8","5","7","2","1") = "9"
    & skf18("9","10","8","5","7","3","1") = "9"
    & skf18("9","10","8","5","7","4","1") = "9"
    & skf18("9","10","8","5","7","5","1") = "9"
    & skf18("9","10","8","5","7","6","1") = "9"
    & skf18("9","10","8","5","7","7","1") = "9"
    & skf18("9","10","8","5","7","8","1") = "9"
    & skf18("9","10","8","5","7","9","1") = "9"
    & skf18("9","10","8","5","7","10","1") = "9"
    & skf18("9","10","8","5","8","1","1") = "9"
    & skf18("9","10","8","5","8","2","1") = "9"
    & skf18("9","10","8","5","8","3","1") = "9"
    & skf18("9","10","8","5","8","4","1") = "9"
    & skf18("9","10","8","5","8","5","1") = "9"
    & skf18("9","10","8","5","8","6","1") = "9"
    & skf18("9","10","8","5","8","7","1") = "9"
    & skf18("9","10","8","5","8","8","1") = "9"
    & skf18("9","10","8","5","8","9","1") = "9"
    & skf18("9","10","8","5","8","10","1") = "9"
    & skf18("9","10","8","5","9","1","1") = "9"
    & skf18("9","10","8","5","9","2","1") = "9"
    & skf18("9","10","8","5","9","3","1") = "9"
    & skf18("9","10","8","5","9","4","1") = "9"
    & skf18("9","10","8","5","9","5","1") = "9"
    & skf18("9","10","8","5","9","6","1") = "9"
    & skf18("9","10","8","5","9","7","1") = "9"
    & skf18("9","10","8","5","9","8","1") = "9"
    & skf18("9","10","8","5","9","9","1") = "9"
    & skf18("9","10","8","5","9","10","1") = "9"
    & skf18("9","10","8","5","10","1","1") = "9"
    & skf18("9","10","8","5","10","2","1") = "9"
    & skf18("9","10","8","5","10","3","1") = "9"
    & skf18("9","10","8","5","10","4","1") = "9"
    & skf18("9","10","8","5","10","5","1") = "9"
    & skf18("9","10","8","5","10","6","1") = "9"
    & skf18("9","10","8","5","10","7","1") = "9"
    & skf18("9","10","8","5","10","8","1") = "9"
    & skf18("9","10","8","5","10","9","1") = "9"
    & skf18("9","10","8","5","10","10","1") = "9"
    & skf18("9","10","8","6","1","1","1") = "9"
    & skf18("9","10","8","6","1","2","1") = "9"
    & skf18("9","10","8","6","1","3","1") = "9"
    & skf18("9","10","8","6","1","4","1") = "9"
    & skf18("9","10","8","6","1","5","1") = "9"
    & skf18("9","10","8","6","1","6","1") = "9"
    & skf18("9","10","8","6","1","7","1") = "9"
    & skf18("9","10","8","6","1","8","1") = "9"
    & skf18("9","10","8","6","1","9","1") = "9"
    & skf18("9","10","8","6","1","10","1") = "9"
    & skf18("9","10","8","6","2","1","1") = "9"
    & skf18("9","10","8","6","2","2","1") = "9"
    & skf18("9","10","8","6","2","3","1") = "9"
    & skf18("9","10","8","6","2","4","1") = "9"
    & skf18("9","10","8","6","2","5","1") = "9"
    & skf18("9","10","8","6","2","6","1") = "9"
    & skf18("9","10","8","6","2","7","1") = "9"
    & skf18("9","10","8","6","2","8","1") = "9"
    & skf18("9","10","8","6","2","9","1") = "9"
    & skf18("9","10","8","6","2","10","1") = "9"
    & skf18("9","10","8","6","3","1","1") = "9"
    & skf18("9","10","8","6","3","2","1") = "9"
    & skf18("9","10","8","6","3","3","1") = "9"
    & skf18("9","10","8","6","3","4","1") = "9"
    & skf18("9","10","8","6","3","5","1") = "9"
    & skf18("9","10","8","6","3","6","1") = "9"
    & skf18("9","10","8","6","3","7","1") = "9"
    & skf18("9","10","8","6","3","8","1") = "9"
    & skf18("9","10","8","6","3","9","1") = "9"
    & skf18("9","10","8","6","3","10","1") = "9"
    & skf18("9","10","8","6","4","1","1") = "9"
    & skf18("9","10","8","6","4","2","1") = "9"
    & skf18("9","10","8","6","4","3","1") = "9"
    & skf18("9","10","8","6","4","4","1") = "9"
    & skf18("9","10","8","6","4","5","1") = "9"
    & skf18("9","10","8","6","4","6","1") = "9"
    & skf18("9","10","8","6","4","7","1") = "9"
    & skf18("9","10","8","6","4","8","1") = "9"
    & skf18("9","10","8","6","4","9","1") = "9"
    & skf18("9","10","8","6","4","10","1") = "9"
    & skf18("9","10","8","6","5","1","1") = "9"
    & skf18("9","10","8","6","5","2","1") = "9"
    & skf18("9","10","8","6","5","3","1") = "9"
    & skf18("9","10","8","6","5","4","1") = "9"
    & skf18("9","10","8","6","5","5","1") = "9"
    & skf18("9","10","8","6","5","6","1") = "9"
    & skf18("9","10","8","6","5","7","1") = "9"
    & skf18("9","10","8","6","5","8","1") = "9"
    & skf18("9","10","8","6","5","9","1") = "9"
    & skf18("9","10","8","6","5","10","1") = "9"
    & skf18("9","10","8","6","6","1","1") = "9"
    & skf18("9","10","8","6","6","2","1") = "9"
    & skf18("9","10","8","6","6","3","1") = "9"
    & skf18("9","10","8","6","6","4","1") = "9"
    & skf18("9","10","8","6","6","5","1") = "9"
    & skf18("9","10","8","6","6","6","1") = "9"
    & skf18("9","10","8","6","6","7","1") = "9"
    & skf18("9","10","8","6","6","8","1") = "9"
    & skf18("9","10","8","6","6","9","1") = "9"
    & skf18("9","10","8","6","6","10","1") = "9"
    & skf18("9","10","8","6","7","1","1") = "9"
    & skf18("9","10","8","6","7","2","1") = "9"
    & skf18("9","10","8","6","7","3","1") = "9"
    & skf18("9","10","8","6","7","4","1") = "9"
    & skf18("9","10","8","6","7","5","1") = "9"
    & skf18("9","10","8","6","7","6","1") = "9"
    & skf18("9","10","8","6","7","7","1") = "9"
    & skf18("9","10","8","6","7","8","1") = "9"
    & skf18("9","10","8","6","7","9","1") = "9"
    & skf18("9","10","8","6","7","10","1") = "9"
    & skf18("9","10","8","6","8","1","1") = "9"
    & skf18("9","10","8","6","8","2","1") = "9"
    & skf18("9","10","8","6","8","3","1") = "9"
    & skf18("9","10","8","6","8","4","1") = "9"
    & skf18("9","10","8","6","8","5","1") = "9"
    & skf18("9","10","8","6","8","6","1") = "9"
    & skf18("9","10","8","6","8","7","1") = "9"
    & skf18("9","10","8","6","8","8","1") = "9"
    & skf18("9","10","8","6","8","9","1") = "9"
    & skf18("9","10","8","6","8","10","1") = "9"
    & skf18("9","10","8","6","9","1","1") = "9"
    & skf18("9","10","8","6","9","2","1") = "9"
    & skf18("9","10","8","6","9","3","1") = "9"
    & skf18("9","10","8","6","9","4","1") = "9"
    & skf18("9","10","8","6","9","5","1") = "9"
    & skf18("9","10","8","6","9","6","1") = "9"
    & skf18("9","10","8","6","9","7","1") = "9"
    & skf18("9","10","8","6","9","8","1") = "9"
    & skf18("9","10","8","6","9","9","1") = "9"
    & skf18("9","10","8","6","9","10","1") = "9"
    & skf18("9","10","8","6","10","1","1") = "9"
    & skf18("9","10","8","6","10","2","1") = "9"
    & skf18("9","10","8","6","10","3","1") = "9"
    & skf18("9","10","8","6","10","4","1") = "9"
    & skf18("9","10","8","6","10","5","1") = "9"
    & skf18("9","10","8","6","10","6","1") = "9"
    & skf18("9","10","8","6","10","7","1") = "9"
    & skf18("9","10","8","6","10","8","1") = "9"
    & skf18("9","10","8","6","10","9","1") = "9"
    & skf18("9","10","8","6","10","10","1") = "9"
    & skf18("9","10","8","7","1","1","1") = "9"
    & skf18("9","10","8","7","1","2","1") = "9"
    & skf18("9","10","8","7","1","3","1") = "9"
    & skf18("9","10","8","7","1","4","1") = "9"
    & skf18("9","10","8","7","1","5","1") = "9"
    & skf18("9","10","8","7","1","6","1") = "9"
    & skf18("9","10","8","7","1","7","1") = "9"
    & skf18("9","10","8","7","1","8","1") = "9"
    & skf18("9","10","8","7","1","9","1") = "9"
    & skf18("9","10","8","7","1","10","1") = "9"
    & skf18("9","10","8","7","2","1","1") = "9"
    & skf18("9","10","8","7","2","2","1") = "9"
    & skf18("9","10","8","7","2","3","1") = "9"
    & skf18("9","10","8","7","2","4","1") = "9"
    & skf18("9","10","8","7","2","5","1") = "9"
    & skf18("9","10","8","7","2","6","1") = "9"
    & skf18("9","10","8","7","2","7","1") = "9"
    & skf18("9","10","8","7","2","8","1") = "9"
    & skf18("9","10","8","7","2","9","1") = "9"
    & skf18("9","10","8","7","2","10","1") = "9"
    & skf18("9","10","8","7","3","1","1") = "9"
    & skf18("9","10","8","7","3","2","1") = "9"
    & skf18("9","10","8","7","3","3","1") = "9"
    & skf18("9","10","8","7","3","4","1") = "9"
    & skf18("9","10","8","7","3","5","1") = "9"
    & skf18("9","10","8","7","3","6","1") = "9"
    & skf18("9","10","8","7","3","7","1") = "9"
    & skf18("9","10","8","7","3","8","1") = "9"
    & skf18("9","10","8","7","3","9","1") = "9"
    & skf18("9","10","8","7","3","10","1") = "9"
    & skf18("9","10","8","7","4","1","1") = "9"
    & skf18("9","10","8","7","4","2","1") = "9"
    & skf18("9","10","8","7","4","3","1") = "9"
    & skf18("9","10","8","7","4","4","1") = "9"
    & skf18("9","10","8","7","4","5","1") = "9"
    & skf18("9","10","8","7","4","6","1") = "9"
    & skf18("9","10","8","7","4","7","1") = "9"
    & skf18("9","10","8","7","4","8","1") = "9"
    & skf18("9","10","8","7","4","9","1") = "9"
    & skf18("9","10","8","7","4","10","1") = "9"
    & skf18("9","10","8","7","5","1","1") = "9"
    & skf18("9","10","8","7","5","2","1") = "9"
    & skf18("9","10","8","7","5","3","1") = "9"
    & skf18("9","10","8","7","5","4","1") = "9"
    & skf18("9","10","8","7","5","5","1") = "9"
    & skf18("9","10","8","7","5","6","1") = "9"
    & skf18("9","10","8","7","5","7","1") = "9"
    & skf18("9","10","8","7","5","8","1") = "9"
    & skf18("9","10","8","7","5","9","1") = "9"
    & skf18("9","10","8","7","5","10","1") = "9"
    & skf18("9","10","8","7","6","1","1") = "9"
    & skf18("9","10","8","7","6","2","1") = "9"
    & skf18("9","10","8","7","6","3","1") = "9"
    & skf18("9","10","8","7","6","4","1") = "9"
    & skf18("9","10","8","7","6","5","1") = "9"
    & skf18("9","10","8","7","6","6","1") = "9"
    & skf18("9","10","8","7","6","7","1") = "9"
    & skf18("9","10","8","7","6","8","1") = "9"
    & skf18("9","10","8","7","6","9","1") = "9"
    & skf18("9","10","8","7","6","10","1") = "9"
    & skf18("9","10","8","7","7","1","1") = "9"
    & skf18("9","10","8","7","7","2","1") = "9"
    & skf18("9","10","8","7","7","3","1") = "9"
    & skf18("9","10","8","7","7","4","1") = "9"
    & skf18("9","10","8","7","7","5","1") = "9"
    & skf18("9","10","8","7","7","6","1") = "9"
    & skf18("9","10","8","7","7","7","1") = "9"
    & skf18("9","10","8","7","7","8","1") = "9"
    & skf18("9","10","8","7","7","9","1") = "9"
    & skf18("9","10","8","7","7","10","1") = "9"
    & skf18("9","10","8","7","8","1","1") = "9"
    & skf18("9","10","8","7","8","2","1") = "9"
    & skf18("9","10","8","7","8","3","1") = "9"
    & skf18("9","10","8","7","8","4","1") = "9"
    & skf18("9","10","8","7","8","5","1") = "9"
    & skf18("9","10","8","7","8","6","1") = "9"
    & skf18("9","10","8","7","8","7","1") = "9"
    & skf18("9","10","8","7","8","8","1") = "9"
    & skf18("9","10","8","7","8","9","1") = "9"
    & skf18("9","10","8","7","8","10","1") = "9"
    & skf18("9","10","8","7","9","1","1") = "9"
    & skf18("9","10","8","7","9","2","1") = "9"
    & skf18("9","10","8","7","9","3","1") = "9"
    & skf18("9","10","8","7","9","4","1") = "9"
    & skf18("9","10","8","7","9","5","1") = "9"
    & skf18("9","10","8","7","9","6","1") = "9"
    & skf18("9","10","8","7","9","7","1") = "9"
    & skf18("9","10","8","7","9","8","1") = "9"
    & skf18("9","10","8","7","9","9","1") = "9"
    & skf18("9","10","8","7","9","10","1") = "9"
    & skf18("9","10","8","7","10","1","1") = "9"
    & skf18("9","10","8","7","10","2","1") = "9"
    & skf18("9","10","8","7","10","3","1") = "9"
    & skf18("9","10","8","7","10","4","1") = "9"
    & skf18("9","10","8","7","10","5","1") = "9"
    & skf18("9","10","8","7","10","6","1") = "9"
    & skf18("9","10","8","7","10","7","1") = "9"
    & skf18("9","10","8","7","10","8","1") = "9"
    & skf18("9","10","8","7","10","9","1") = "9"
    & skf18("9","10","8","7","10","10","1") = "9"
    & skf18("9","10","8","8","1","1","1") = "9"
    & skf18("9","10","8","8","1","2","1") = "9"
    & skf18("9","10","8","8","1","3","1") = "9"
    & skf18("9","10","8","8","1","4","1") = "9"
    & skf18("9","10","8","8","1","5","1") = "9"
    & skf18("9","10","8","8","1","6","1") = "9"
    & skf18("9","10","8","8","1","7","1") = "9"
    & skf18("9","10","8","8","1","8","1") = "9"
    & skf18("9","10","8","8","1","9","1") = "9"
    & skf18("9","10","8","8","1","10","1") = "9"
    & skf18("9","10","8","8","2","1","1") = "9"
    & skf18("9","10","8","8","2","2","1") = "9"
    & skf18("9","10","8","8","2","3","1") = "9"
    & skf18("9","10","8","8","2","4","1") = "9"
    & skf18("9","10","8","8","2","5","1") = "9"
    & skf18("9","10","8","8","2","6","1") = "9"
    & skf18("9","10","8","8","2","7","1") = "9"
    & skf18("9","10","8","8","2","8","1") = "9"
    & skf18("9","10","8","8","2","9","1") = "9"
    & skf18("9","10","8","8","2","10","1") = "9"
    & skf18("9","10","8","8","3","1","1") = "9"
    & skf18("9","10","8","8","3","2","1") = "9"
    & skf18("9","10","8","8","3","3","1") = "9"
    & skf18("9","10","8","8","3","4","1") = "9"
    & skf18("9","10","8","8","3","5","1") = "9"
    & skf18("9","10","8","8","3","6","1") = "9"
    & skf18("9","10","8","8","3","7","1") = "9"
    & skf18("9","10","8","8","3","8","1") = "9"
    & skf18("9","10","8","8","3","9","1") = "9"
    & skf18("9","10","8","8","3","10","1") = "9"
    & skf18("9","10","8","8","4","1","1") = "9"
    & skf18("9","10","8","8","4","2","1") = "9"
    & skf18("9","10","8","8","4","3","1") = "9"
    & skf18("9","10","8","8","4","4","1") = "9"
    & skf18("9","10","8","8","4","5","1") = "9"
    & skf18("9","10","8","8","4","6","1") = "9"
    & skf18("9","10","8","8","4","7","1") = "9"
    & skf18("9","10","8","8","4","8","1") = "9"
    & skf18("9","10","8","8","4","9","1") = "9"
    & skf18("9","10","8","8","4","10","1") = "9"
    & skf18("9","10","8","8","5","1","1") = "9"
    & skf18("9","10","8","8","5","2","1") = "9"
    & skf18("9","10","8","8","5","3","1") = "9"
    & skf18("9","10","8","8","5","4","1") = "9"
    & skf18("9","10","8","8","5","5","1") = "9"
    & skf18("9","10","8","8","5","6","1") = "9"
    & skf18("9","10","8","8","5","7","1") = "9"
    & skf18("9","10","8","8","5","8","1") = "9"
    & skf18("9","10","8","8","5","9","1") = "9"
    & skf18("9","10","8","8","5","10","1") = "9"
    & skf18("9","10","8","8","6","1","1") = "9"
    & skf18("9","10","8","8","6","2","1") = "9"
    & skf18("9","10","8","8","6","3","1") = "9"
    & skf18("9","10","8","8","6","4","1") = "9"
    & skf18("9","10","8","8","6","5","1") = "9"
    & skf18("9","10","8","8","6","6","1") = "9"
    & skf18("9","10","8","8","6","7","1") = "9"
    & skf18("9","10","8","8","6","8","1") = "9"
    & skf18("9","10","8","8","6","9","1") = "9"
    & skf18("9","10","8","8","6","10","1") = "9"
    & skf18("9","10","8","8","7","1","1") = "9"
    & skf18("9","10","8","8","7","2","1") = "9"
    & skf18("9","10","8","8","7","3","1") = "9"
    & skf18("9","10","8","8","7","4","1") = "9"
    & skf18("9","10","8","8","7","5","1") = "9"
    & skf18("9","10","8","8","7","6","1") = "9"
    & skf18("9","10","8","8","7","7","1") = "9"
    & skf18("9","10","8","8","7","8","1") = "9"
    & skf18("9","10","8","8","7","9","1") = "9"
    & skf18("9","10","8","8","7","10","1") = "9"
    & skf18("9","10","8","8","8","1","1") = "9"
    & skf18("9","10","8","8","8","2","1") = "9"
    & skf18("9","10","8","8","8","3","1") = "9"
    & skf18("9","10","8","8","8","4","1") = "9"
    & skf18("9","10","8","8","8","5","1") = "9"
    & skf18("9","10","8","8","8","6","1") = "9"
    & skf18("9","10","8","8","8","7","1") = "9"
    & skf18("9","10","8","8","8","8","1") = "9"
    & skf18("9","10","8","8","8","9","1") = "9"
    & skf18("9","10","8","8","8","10","1") = "9"
    & skf18("9","10","8","8","9","1","1") = "9"
    & skf18("9","10","8","8","9","2","1") = "9"
    & skf18("9","10","8","8","9","3","1") = "9"
    & skf18("9","10","8","8","9","4","1") = "9"
    & skf18("9","10","8","8","9","5","1") = "9"
    & skf18("9","10","8","8","9","6","1") = "9"
    & skf18("9","10","8","8","9","7","1") = "9"
    & skf18("9","10","8","8","9","8","1") = "9"
    & skf18("9","10","8","8","9","9","1") = "9"
    & skf18("9","10","8","8","9","10","1") = "9"
    & skf18("9","10","8","8","10","1","1") = "9"
    & skf18("9","10","8","8","10","2","1") = "9"
    & skf18("9","10","8","8","10","3","1") = "9"
    & skf18("9","10","8","8","10","4","1") = "9"
    & skf18("9","10","8","8","10","5","1") = "9"
    & skf18("9","10","8","8","10","6","1") = "9"
    & skf18("9","10","8","8","10","7","1") = "9"
    & skf18("9","10","8","8","10","8","1") = "9"
    & skf18("9","10","8","8","10","9","1") = "9"
    & skf18("9","10","8","8","10","10","1") = "9"
    & skf18("9","10","8","9","1","1","1") = "9"
    & skf18("9","10","8","9","1","2","1") = "9"
    & skf18("9","10","8","9","1","3","1") = "9"
    & skf18("9","10","8","9","1","4","1") = "9"
    & skf18("9","10","8","9","1","5","1") = "9"
    & skf18("9","10","8","9","1","6","1") = "9"
    & skf18("9","10","8","9","1","7","1") = "9"
    & skf18("9","10","8","9","1","8","1") = "9"
    & skf18("9","10","8","9","1","9","1") = "9"
    & skf18("9","10","8","9","1","10","1") = "9"
    & skf18("9","10","8","9","2","1","1") = "9"
    & skf18("9","10","8","9","2","2","1") = "9"
    & skf18("9","10","8","9","2","3","1") = "9"
    & skf18("9","10","8","9","2","4","1") = "9"
    & skf18("9","10","8","9","2","5","1") = "9"
    & skf18("9","10","8","9","2","6","1") = "9"
    & skf18("9","10","8","9","2","7","1") = "9"
    & skf18("9","10","8","9","2","8","1") = "9"
    & skf18("9","10","8","9","2","9","1") = "9"
    & skf18("9","10","8","9","2","10","1") = "9"
    & skf18("9","10","8","9","3","1","1") = "9"
    & skf18("9","10","8","9","3","2","1") = "9"
    & skf18("9","10","8","9","3","3","1") = "9"
    & skf18("9","10","8","9","3","4","1") = "9"
    & skf18("9","10","8","9","3","5","1") = "9"
    & skf18("9","10","8","9","3","6","1") = "9"
    & skf18("9","10","8","9","3","7","1") = "9"
    & skf18("9","10","8","9","3","8","1") = "9"
    & skf18("9","10","8","9","3","9","1") = "9"
    & skf18("9","10","8","9","3","10","1") = "9"
    & skf18("9","10","8","9","4","1","1") = "9"
    & skf18("9","10","8","9","4","2","1") = "9"
    & skf18("9","10","8","9","4","3","1") = "9"
    & skf18("9","10","8","9","4","4","1") = "9"
    & skf18("9","10","8","9","4","5","1") = "9"
    & skf18("9","10","8","9","4","6","1") = "9"
    & skf18("9","10","8","9","4","7","1") = "9"
    & skf18("9","10","8","9","4","8","1") = "9"
    & skf18("9","10","8","9","4","9","1") = "9"
    & skf18("9","10","8","9","4","10","1") = "9"
    & skf18("9","10","8","9","5","1","1") = "9"
    & skf18("9","10","8","9","5","2","1") = "9"
    & skf18("9","10","8","9","5","3","1") = "9"
    & skf18("9","10","8","9","5","4","1") = "9"
    & skf18("9","10","8","9","5","5","1") = "9"
    & skf18("9","10","8","9","5","6","1") = "9"
    & skf18("9","10","8","9","5","7","1") = "9"
    & skf18("9","10","8","9","5","8","1") = "9"
    & skf18("9","10","8","9","5","9","1") = "9"
    & skf18("9","10","8","9","5","10","1") = "9"
    & skf18("9","10","8","9","6","1","1") = "9"
    & skf18("9","10","8","9","6","2","1") = "9"
    & skf18("9","10","8","9","6","3","1") = "9"
    & skf18("9","10","8","9","6","4","1") = "9"
    & skf18("9","10","8","9","6","5","1") = "9"
    & skf18("9","10","8","9","6","6","1") = "9"
    & skf18("9","10","8","9","6","7","1") = "9"
    & skf18("9","10","8","9","6","8","1") = "9"
    & skf18("9","10","8","9","6","9","1") = "9"
    & skf18("9","10","8","9","6","10","1") = "9"
    & skf18("9","10","8","9","7","1","1") = "9"
    & skf18("9","10","8","9","7","2","1") = "9"
    & skf18("9","10","8","9","7","3","1") = "9"
    & skf18("9","10","8","9","7","4","1") = "9"
    & skf18("9","10","8","9","7","5","1") = "9"
    & skf18("9","10","8","9","7","6","1") = "9"
    & skf18("9","10","8","9","7","7","1") = "9"
    & skf18("9","10","8","9","7","8","1") = "9"
    & skf18("9","10","8","9","7","9","1") = "9"
    & skf18("9","10","8","9","7","10","1") = "9"
    & skf18("9","10","8","9","8","1","1") = "9"
    & skf18("9","10","8","9","8","2","1") = "9"
    & skf18("9","10","8","9","8","3","1") = "9"
    & skf18("9","10","8","9","8","4","1") = "9"
    & skf18("9","10","8","9","8","5","1") = "9"
    & skf18("9","10","8","9","8","6","1") = "9"
    & skf18("9","10","8","9","8","7","1") = "9"
    & skf18("9","10","8","9","8","8","1") = "9"
    & skf18("9","10","8","9","8","9","1") = "9"
    & skf18("9","10","8","9","8","10","1") = "9"
    & skf18("9","10","8","9","9","1","1") = "9"
    & skf18("9","10","8","9","9","2","1") = "9"
    & skf18("9","10","8","9","9","3","1") = "9"
    & skf18("9","10","8","9","9","4","1") = "9"
    & skf18("9","10","8","9","9","5","1") = "9"
    & skf18("9","10","8","9","9","6","1") = "9"
    & skf18("9","10","8","9","9","7","1") = "9"
    & skf18("9","10","8","9","9","8","1") = "9"
    & skf18("9","10","8","9","9","9","1") = "9"
    & skf18("9","10","8","9","9","10","1") = "9"
    & skf18("9","10","8","9","10","1","1") = "9"
    & skf18("9","10","8","9","10","2","1") = "9"
    & skf18("9","10","8","9","10","3","1") = "9"
    & skf18("9","10","8","9","10","4","1") = "9"
    & skf18("9","10","8","9","10","5","1") = "9"
    & skf18("9","10","8","9","10","6","1") = "9"
    & skf18("9","10","8","9","10","7","1") = "9"
    & skf18("9","10","8","9","10","8","1") = "9"
    & skf18("9","10","8","9","10","9","1") = "9"
    & skf18("9","10","8","9","10","10","1") = "9"
    & skf18("9","10","8","10","1","1","1") = "9"
    & skf18("9","10","8","10","1","2","1") = "9"
    & skf18("9","10","8","10","1","3","1") = "9"
    & skf18("9","10","8","10","1","4","1") = "9"
    & skf18("9","10","8","10","1","5","1") = "9"
    & skf18("9","10","8","10","1","6","1") = "9"
    & skf18("9","10","8","10","1","7","1") = "9"
    & skf18("9","10","8","10","1","8","1") = "9"
    & skf18("9","10","8","10","1","9","1") = "9"
    & skf18("9","10","8","10","1","10","1") = "9"
    & skf18("9","10","8","10","2","1","1") = "9"
    & skf18("9","10","8","10","2","2","1") = "9"
    & skf18("9","10","8","10","2","3","1") = "9"
    & skf18("9","10","8","10","2","4","1") = "9"
    & skf18("9","10","8","10","2","5","1") = "9"
    & skf18("9","10","8","10","2","6","1") = "9"
    & skf18("9","10","8","10","2","7","1") = "9"
    & skf18("9","10","8","10","2","8","1") = "9"
    & skf18("9","10","8","10","2","9","1") = "9"
    & skf18("9","10","8","10","2","10","1") = "9"
    & skf18("9","10","8","10","3","1","1") = "9"
    & skf18("9","10","8","10","3","2","1") = "9"
    & skf18("9","10","8","10","3","3","1") = "9"
    & skf18("9","10","8","10","3","4","1") = "9"
    & skf18("9","10","8","10","3","5","1") = "9"
    & skf18("9","10","8","10","3","6","1") = "9"
    & skf18("9","10","8","10","3","7","1") = "9"
    & skf18("9","10","8","10","3","8","1") = "9"
    & skf18("9","10","8","10","3","9","1") = "9"
    & skf18("9","10","8","10","3","10","1") = "9"
    & skf18("9","10","8","10","4","1","1") = "9"
    & skf18("9","10","8","10","4","2","1") = "9"
    & skf18("9","10","8","10","4","3","1") = "9"
    & skf18("9","10","8","10","4","4","1") = "9"
    & skf18("9","10","8","10","4","5","1") = "9"
    & skf18("9","10","8","10","4","6","1") = "9"
    & skf18("9","10","8","10","4","7","1") = "9"
    & skf18("9","10","8","10","4","8","1") = "9"
    & skf18("9","10","8","10","4","9","1") = "9"
    & skf18("9","10","8","10","4","10","1") = "9"
    & skf18("9","10","8","10","5","1","1") = "9"
    & skf18("9","10","8","10","5","2","1") = "9"
    & skf18("9","10","8","10","5","3","1") = "9"
    & skf18("9","10","8","10","5","4","1") = "9"
    & skf18("9","10","8","10","5","5","1") = "9"
    & skf18("9","10","8","10","5","6","1") = "9"
    & skf18("9","10","8","10","5","7","1") = "9"
    & skf18("9","10","8","10","5","8","1") = "9"
    & skf18("9","10","8","10","5","9","1") = "9"
    & skf18("9","10","8","10","5","10","1") = "9"
    & skf18("9","10","8","10","6","1","1") = "9"
    & skf18("9","10","8","10","6","2","1") = "9"
    & skf18("9","10","8","10","6","3","1") = "9"
    & skf18("9","10","8","10","6","4","1") = "9"
    & skf18("9","10","8","10","6","5","1") = "9"
    & skf18("9","10","8","10","6","6","1") = "9"
    & skf18("9","10","8","10","6","7","1") = "9"
    & skf18("9","10","8","10","6","8","1") = "9"
    & skf18("9","10","8","10","6","9","1") = "9"
    & skf18("9","10","8","10","6","10","1") = "9"
    & skf18("9","10","8","10","7","1","1") = "9"
    & skf18("9","10","8","10","7","2","1") = "9"
    & skf18("9","10","8","10","7","3","1") = "9"
    & skf18("9","10","8","10","7","4","1") = "9"
    & skf18("9","10","8","10","7","5","1") = "9"
    & skf18("9","10","8","10","7","6","1") = "9"
    & skf18("9","10","8","10","7","7","1") = "9"
    & skf18("9","10","8","10","7","8","1") = "9"
    & skf18("9","10","8","10","7","9","1") = "9"
    & skf18("9","10","8","10","7","10","1") = "9"
    & skf18("9","10","8","10","8","1","1") = "9"
    & skf18("9","10","8","10","8","2","1") = "9"
    & skf18("9","10","8","10","8","3","1") = "9"
    & skf18("9","10","8","10","8","4","1") = "9"
    & skf18("9","10","8","10","8","5","1") = "9"
    & skf18("9","10","8","10","8","6","1") = "9"
    & skf18("9","10","8","10","8","7","1") = "9"
    & skf18("9","10","8","10","8","8","1") = "9"
    & skf18("9","10","8","10","8","9","1") = "9"
    & skf18("9","10","8","10","8","10","1") = "9"
    & skf18("9","10","8","10","9","1","1") = "9"
    & skf18("9","10","8","10","9","2","1") = "9"
    & skf18("9","10","8","10","9","3","1") = "9"
    & skf18("9","10","8","10","9","4","1") = "9"
    & skf18("9","10","8","10","9","5","1") = "9"
    & skf18("9","10","8","10","9","6","1") = "9"
    & skf18("9","10","8","10","9","7","1") = "9"
    & skf18("9","10","8","10","9","8","1") = "9"
    & skf18("9","10","8","10","9","9","1") = "9"
    & skf18("9","10","8","10","9","10","1") = "9"
    & skf18("9","10","8","10","10","1","1") = "9"
    & skf18("9","10","8","10","10","2","1") = "9"
    & skf18("9","10","8","10","10","3","1") = "9"
    & skf18("9","10","8","10","10","4","1") = "9"
    & skf18("9","10","8","10","10","5","1") = "9"
    & skf18("9","10","8","10","10","6","1") = "9"
    & skf18("9","10","8","10","10","7","1") = "9"
    & skf18("9","10","8","10","10","8","1") = "9"
    & skf18("9","10","8","10","10","9","1") = "9"
    & skf18("9","10","8","10","10","10","1") = "9"
    & skf18("9","10","9","1","1","1","1") = "9"
    & skf18("9","10","9","1","1","2","1") = "9"
    & skf18("9","10","9","1","1","3","1") = "9"
    & skf18("9","10","9","1","1","4","1") = "9"
    & skf18("9","10","9","1","1","5","1") = "9"
    & skf18("9","10","9","1","1","6","1") = "9"
    & skf18("9","10","9","1","1","7","1") = "9"
    & skf18("9","10","9","1","1","8","1") = "9"
    & skf18("9","10","9","1","1","9","1") = "9"
    & skf18("9","10","9","1","1","10","1") = "9"
    & skf18("9","10","9","1","2","1","1") = "9"
    & skf18("9","10","9","1","2","2","1") = "9"
    & skf18("9","10","9","1","2","3","1") = "9"
    & skf18("9","10","9","1","2","4","1") = "9"
    & skf18("9","10","9","1","2","5","1") = "9"
    & skf18("9","10","9","1","2","6","1") = "9"
    & skf18("9","10","9","1","2","7","1") = "9"
    & skf18("9","10","9","1","2","8","1") = "9"
    & skf18("9","10","9","1","2","9","1") = "9"
    & skf18("9","10","9","1","2","10","1") = "9"
    & skf18("9","10","9","1","3","1","1") = "9"
    & skf18("9","10","9","1","3","2","1") = "9"
    & skf18("9","10","9","1","3","3","1") = "9"
    & skf18("9","10","9","1","3","4","1") = "9"
    & skf18("9","10","9","1","3","5","1") = "9"
    & skf18("9","10","9","1","3","6","1") = "9"
    & skf18("9","10","9","1","3","7","1") = "9"
    & skf18("9","10","9","1","3","8","1") = "9"
    & skf18("9","10","9","1","3","9","1") = "9"
    & skf18("9","10","9","1","3","10","1") = "9"
    & skf18("9","10","9","1","4","1","1") = "9"
    & skf18("9","10","9","1","4","2","1") = "9"
    & skf18("9","10","9","1","4","3","1") = "9"
    & skf18("9","10","9","1","4","4","1") = "9"
    & skf18("9","10","9","1","4","5","1") = "9"
    & skf18("9","10","9","1","4","6","1") = "9"
    & skf18("9","10","9","1","4","7","1") = "9"
    & skf18("9","10","9","1","4","8","1") = "9"
    & skf18("9","10","9","1","4","9","1") = "9"
    & skf18("9","10","9","1","4","10","1") = "9"
    & skf18("9","10","9","1","5","1","1") = "9"
    & skf18("9","10","9","1","5","2","1") = "9"
    & skf18("9","10","9","1","5","3","1") = "9"
    & skf18("9","10","9","1","5","4","1") = "9"
    & skf18("9","10","9","1","5","5","1") = "9"
    & skf18("9","10","9","1","5","6","1") = "9"
    & skf18("9","10","9","1","5","7","1") = "9"
    & skf18("9","10","9","1","5","8","1") = "9"
    & skf18("9","10","9","1","5","9","1") = "9"
    & skf18("9","10","9","1","5","10","1") = "9"
    & skf18("9","10","9","1","6","1","1") = "9"
    & skf18("9","10","9","1","6","2","1") = "9"
    & skf18("9","10","9","1","6","3","1") = "9"
    & skf18("9","10","9","1","6","4","1") = "9"
    & skf18("9","10","9","1","6","5","1") = "9"
    & skf18("9","10","9","1","6","6","1") = "9"
    & skf18("9","10","9","1","6","7","1") = "9"
    & skf18("9","10","9","1","6","8","1") = "9"
    & skf18("9","10","9","1","6","9","1") = "9"
    & skf18("9","10","9","1","6","10","1") = "9"
    & skf18("9","10","9","1","7","1","1") = "9"
    & skf18("9","10","9","1","7","2","1") = "9"
    & skf18("9","10","9","1","7","3","1") = "9"
    & skf18("9","10","9","1","7","4","1") = "9"
    & skf18("9","10","9","1","7","5","1") = "9"
    & skf18("9","10","9","1","7","6","1") = "9"
    & skf18("9","10","9","1","7","7","1") = "9"
    & skf18("9","10","9","1","7","8","1") = "9"
    & skf18("9","10","9","1","7","9","1") = "9"
    & skf18("9","10","9","1","7","10","1") = "9"
    & skf18("9","10","9","1","8","1","1") = "9"
    & skf18("9","10","9","1","8","2","1") = "9"
    & skf18("9","10","9","1","8","3","1") = "9"
    & skf18("9","10","9","1","8","4","1") = "9"
    & skf18("9","10","9","1","8","5","1") = "9"
    & skf18("9","10","9","1","8","6","1") = "9"
    & skf18("9","10","9","1","8","7","1") = "9"
    & skf18("9","10","9","1","8","8","1") = "9"
    & skf18("9","10","9","1","8","9","1") = "9"
    & skf18("9","10","9","1","8","10","1") = "9"
    & skf18("9","10","9","1","9","1","1") = "9"
    & skf18("9","10","9","1","9","2","1") = "9"
    & skf18("9","10","9","1","9","3","1") = "9"
    & skf18("9","10","9","1","9","4","1") = "9"
    & skf18("9","10","9","1","9","5","1") = "9"
    & skf18("9","10","9","1","9","6","1") = "9"
    & skf18("9","10","9","1","9","7","1") = "9"
    & skf18("9","10","9","1","9","8","1") = "9"
    & skf18("9","10","9","1","9","9","1") = "9"
    & skf18("9","10","9","1","9","10","1") = "9"
    & skf18("9","10","9","1","10","1","1") = "9"
    & skf18("9","10","9","1","10","2","1") = "9"
    & skf18("9","10","9","1","10","3","1") = "9"
    & skf18("9","10","9","1","10","4","1") = "9"
    & skf18("9","10","9","1","10","5","1") = "9"
    & skf18("9","10","9","1","10","6","1") = "9"
    & skf18("9","10","9","1","10","7","1") = "9"
    & skf18("9","10","9","1","10","8","1") = "9"
    & skf18("9","10","9","1","10","9","1") = "9"
    & skf18("9","10","9","1","10","10","1") = "9"
    & skf18("9","10","9","2","1","1","1") = "9"
    & skf18("9","10","9","2","1","2","1") = "9"
    & skf18("9","10","9","2","1","3","1") = "9"
    & skf18("9","10","9","2","1","4","1") = "9"
    & skf18("9","10","9","2","1","5","1") = "9"
    & skf18("9","10","9","2","1","6","1") = "9"
    & skf18("9","10","9","2","1","7","1") = "9"
    & skf18("9","10","9","2","1","8","1") = "9"
    & skf18("9","10","9","2","1","9","1") = "9"
    & skf18("9","10","9","2","1","10","1") = "9"
    & skf18("9","10","9","2","2","1","1") = "9"
    & skf18("9","10","9","2","2","2","1") = "9"
    & skf18("9","10","9","2","2","3","1") = "9"
    & skf18("9","10","9","2","2","4","1") = "9"
    & skf18("9","10","9","2","2","5","1") = "9"
    & skf18("9","10","9","2","2","6","1") = "9"
    & skf18("9","10","9","2","2","7","1") = "9"
    & skf18("9","10","9","2","2","8","1") = "9"
    & skf18("9","10","9","2","2","9","1") = "9"
    & skf18("9","10","9","2","2","10","1") = "9"
    & skf18("9","10","9","2","3","1","1") = "9"
    & skf18("9","10","9","2","3","2","1") = "9"
    & skf18("9","10","9","2","3","3","1") = "9"
    & skf18("9","10","9","2","3","4","1") = "9"
    & skf18("9","10","9","2","3","5","1") = "9"
    & skf18("9","10","9","2","3","6","1") = "9"
    & skf18("9","10","9","2","3","7","1") = "9"
    & skf18("9","10","9","2","3","8","1") = "9"
    & skf18("9","10","9","2","3","9","1") = "9"
    & skf18("9","10","9","2","3","10","1") = "9"
    & skf18("9","10","9","2","4","1","1") = "9"
    & skf18("9","10","9","2","4","2","1") = "9"
    & skf18("9","10","9","2","4","3","1") = "9"
    & skf18("9","10","9","2","4","4","1") = "9"
    & skf18("9","10","9","2","4","5","1") = "9"
    & skf18("9","10","9","2","4","6","1") = "9"
    & skf18("9","10","9","2","4","7","1") = "9"
    & skf18("9","10","9","2","4","8","1") = "9"
    & skf18("9","10","9","2","4","9","1") = "9"
    & skf18("9","10","9","2","4","10","1") = "9"
    & skf18("9","10","9","2","5","1","1") = "9"
    & skf18("9","10","9","2","5","2","1") = "9"
    & skf18("9","10","9","2","5","3","1") = "9"
    & skf18("9","10","9","2","5","4","1") = "9"
    & skf18("9","10","9","2","5","5","1") = "9"
    & skf18("9","10","9","2","5","6","1") = "9"
    & skf18("9","10","9","2","5","7","1") = "9"
    & skf18("9","10","9","2","5","8","1") = "9"
    & skf18("9","10","9","2","5","9","1") = "9"
    & skf18("9","10","9","2","5","10","1") = "9"
    & skf18("9","10","9","2","6","1","1") = "9"
    & skf18("9","10","9","2","6","2","1") = "9"
    & skf18("9","10","9","2","6","3","1") = "9"
    & skf18("9","10","9","2","6","4","1") = "9"
    & skf18("9","10","9","2","6","5","1") = "9"
    & skf18("9","10","9","2","6","6","1") = "9"
    & skf18("9","10","9","2","6","7","1") = "9"
    & skf18("9","10","9","2","6","8","1") = "9"
    & skf18("9","10","9","2","6","9","1") = "9"
    & skf18("9","10","9","2","6","10","1") = "9"
    & skf18("9","10","9","2","7","1","1") = "9"
    & skf18("9","10","9","2","7","2","1") = "9"
    & skf18("9","10","9","2","7","3","1") = "9"
    & skf18("9","10","9","2","7","4","1") = "9"
    & skf18("9","10","9","2","7","5","1") = "9"
    & skf18("9","10","9","2","7","6","1") = "9"
    & skf18("9","10","9","2","7","7","1") = "9"
    & skf18("9","10","9","2","7","8","1") = "9"
    & skf18("9","10","9","2","7","9","1") = "9"
    & skf18("9","10","9","2","7","10","1") = "9"
    & skf18("9","10","9","2","8","1","1") = "9"
    & skf18("9","10","9","2","8","2","1") = "9"
    & skf18("9","10","9","2","8","3","1") = "9"
    & skf18("9","10","9","2","8","4","1") = "9"
    & skf18("9","10","9","2","8","5","1") = "9"
    & skf18("9","10","9","2","8","6","1") = "9"
    & skf18("9","10","9","2","8","7","1") = "9"
    & skf18("9","10","9","2","8","8","1") = "9"
    & skf18("9","10","9","2","8","9","1") = "9"
    & skf18("9","10","9","2","8","10","1") = "9"
    & skf18("9","10","9","2","9","1","1") = "9"
    & skf18("9","10","9","2","9","2","1") = "9"
    & skf18("9","10","9","2","9","3","1") = "9"
    & skf18("9","10","9","2","9","4","1") = "9"
    & skf18("9","10","9","2","9","5","1") = "9"
    & skf18("9","10","9","2","9","6","1") = "9"
    & skf18("9","10","9","2","9","7","1") = "9"
    & skf18("9","10","9","2","9","8","1") = "9"
    & skf18("9","10","9","2","9","9","1") = "9"
    & skf18("9","10","9","2","9","10","1") = "9"
    & skf18("9","10","9","2","10","1","1") = "9"
    & skf18("9","10","9","2","10","2","1") = "9"
    & skf18("9","10","9","2","10","3","1") = "9"
    & skf18("9","10","9","2","10","4","1") = "9"
    & skf18("9","10","9","2","10","5","1") = "9"
    & skf18("9","10","9","2","10","6","1") = "9"
    & skf18("9","10","9","2","10","7","1") = "9"
    & skf18("9","10","9","2","10","8","1") = "9"
    & skf18("9","10","9","2","10","9","1") = "9"
    & skf18("9","10","9","2","10","10","1") = "9"
    & skf18("9","10","9","3","1","1","1") = "9"
    & skf18("9","10","9","3","1","2","1") = "9"
    & skf18("9","10","9","3","1","3","1") = "9"
    & skf18("9","10","9","3","1","4","1") = "9"
    & skf18("9","10","9","3","1","5","1") = "9"
    & skf18("9","10","9","3","1","6","1") = "9"
    & skf18("9","10","9","3","1","7","1") = "9"
    & skf18("9","10","9","3","1","8","1") = "9"
    & skf18("9","10","9","3","1","9","1") = "9"
    & skf18("9","10","9","3","1","10","1") = "9"
    & skf18("9","10","9","3","2","1","1") = "9"
    & skf18("9","10","9","3","2","2","1") = "9"
    & skf18("9","10","9","3","2","3","1") = "9"
    & skf18("9","10","9","3","2","4","1") = "9"
    & skf18("9","10","9","3","2","5","1") = "9"
    & skf18("9","10","9","3","2","6","1") = "9"
    & skf18("9","10","9","3","2","7","1") = "9"
    & skf18("9","10","9","3","2","8","1") = "9"
    & skf18("9","10","9","3","2","9","1") = "9"
    & skf18("9","10","9","3","2","10","1") = "9"
    & skf18("9","10","9","3","3","1","1") = "9"
    & skf18("9","10","9","3","3","2","1") = "9"
    & skf18("9","10","9","3","3","3","1") = "9"
    & skf18("9","10","9","3","3","4","1") = "9"
    & skf18("9","10","9","3","3","5","1") = "9"
    & skf18("9","10","9","3","3","6","1") = "9"
    & skf18("9","10","9","3","3","7","1") = "9"
    & skf18("9","10","9","3","3","8","1") = "9"
    & skf18("9","10","9","3","3","9","1") = "9"
    & skf18("9","10","9","3","3","10","1") = "9"
    & skf18("9","10","9","3","4","1","1") = "9"
    & skf18("9","10","9","3","4","2","1") = "9"
    & skf18("9","10","9","3","4","3","1") = "9"
    & skf18("9","10","9","3","4","4","1") = "9"
    & skf18("9","10","9","3","4","5","1") = "9"
    & skf18("9","10","9","3","4","6","1") = "9"
    & skf18("9","10","9","3","4","7","1") = "9"
    & skf18("9","10","9","3","4","8","1") = "9"
    & skf18("9","10","9","3","4","9","1") = "9"
    & skf18("9","10","9","3","4","10","1") = "9"
    & skf18("9","10","9","3","5","1","1") = "9"
    & skf18("9","10","9","3","5","2","1") = "9"
    & skf18("9","10","9","3","5","3","1") = "9"
    & skf18("9","10","9","3","5","4","1") = "9"
    & skf18("9","10","9","3","5","5","1") = "9"
    & skf18("9","10","9","3","5","6","1") = "9"
    & skf18("9","10","9","3","5","7","1") = "9"
    & skf18("9","10","9","3","5","8","1") = "9"
    & skf18("9","10","9","3","5","9","1") = "9"
    & skf18("9","10","9","3","5","10","1") = "9"
    & skf18("9","10","9","3","6","1","1") = "9"
    & skf18("9","10","9","3","6","2","1") = "9"
    & skf18("9","10","9","3","6","3","1") = "9"
    & skf18("9","10","9","3","6","4","1") = "9"
    & skf18("9","10","9","3","6","5","1") = "9"
    & skf18("9","10","9","3","6","6","1") = "9"
    & skf18("9","10","9","3","6","7","1") = "9"
    & skf18("9","10","9","3","6","8","1") = "9"
    & skf18("9","10","9","3","6","9","1") = "9"
    & skf18("9","10","9","3","6","10","1") = "9"
    & skf18("9","10","9","3","7","1","1") = "9"
    & skf18("9","10","9","3","7","2","1") = "9"
    & skf18("9","10","9","3","7","3","1") = "9"
    & skf18("9","10","9","3","7","4","1") = "9"
    & skf18("9","10","9","3","7","5","1") = "9"
    & skf18("9","10","9","3","7","6","1") = "9"
    & skf18("9","10","9","3","7","7","1") = "9"
    & skf18("9","10","9","3","7","8","1") = "9"
    & skf18("9","10","9","3","7","9","1") = "9"
    & skf18("9","10","9","3","7","10","1") = "9"
    & skf18("9","10","9","3","8","1","1") = "9"
    & skf18("9","10","9","3","8","2","1") = "9"
    & skf18("9","10","9","3","8","3","1") = "9"
    & skf18("9","10","9","3","8","4","1") = "9"
    & skf18("9","10","9","3","8","5","1") = "9"
    & skf18("9","10","9","3","8","6","1") = "9"
    & skf18("9","10","9","3","8","7","1") = "9"
    & skf18("9","10","9","3","8","8","1") = "9"
    & skf18("9","10","9","3","8","9","1") = "9"
    & skf18("9","10","9","3","8","10","1") = "9"
    & skf18("9","10","9","3","9","1","1") = "9"
    & skf18("9","10","9","3","9","2","1") = "9"
    & skf18("9","10","9","3","9","3","1") = "9"
    & skf18("9","10","9","3","9","4","1") = "9"
    & skf18("9","10","9","3","9","5","1") = "9"
    & skf18("9","10","9","3","9","6","1") = "9"
    & skf18("9","10","9","3","9","7","1") = "9"
    & skf18("9","10","9","3","9","8","1") = "9"
    & skf18("9","10","9","3","9","9","1") = "9"
    & skf18("9","10","9","3","9","10","1") = "9"
    & skf18("9","10","9","3","10","1","1") = "9"
    & skf18("9","10","9","3","10","2","1") = "9"
    & skf18("9","10","9","3","10","3","1") = "9"
    & skf18("9","10","9","3","10","4","1") = "9"
    & skf18("9","10","9","3","10","5","1") = "9"
    & skf18("9","10","9","3","10","6","1") = "9"
    & skf18("9","10","9","3","10","7","1") = "9"
    & skf18("9","10","9","3","10","8","1") = "9"
    & skf18("9","10","9","3","10","9","1") = "9"
    & skf18("9","10","9","3","10","10","1") = "9"
    & skf18("9","10","9","4","1","1","1") = "9"
    & skf18("9","10","9","4","1","2","1") = "9"
    & skf18("9","10","9","4","1","3","1") = "9"
    & skf18("9","10","9","4","1","4","1") = "9"
    & skf18("9","10","9","4","1","5","1") = "9"
    & skf18("9","10","9","4","1","6","1") = "9"
    & skf18("9","10","9","4","1","7","1") = "9"
    & skf18("9","10","9","4","1","8","1") = "9"
    & skf18("9","10","9","4","1","9","1") = "9"
    & skf18("9","10","9","4","1","10","1") = "9"
    & skf18("9","10","9","4","2","1","1") = "9"
    & skf18("9","10","9","4","2","2","1") = "9"
    & skf18("9","10","9","4","2","3","1") = "9"
    & skf18("9","10","9","4","2","4","1") = "9"
    & skf18("9","10","9","4","2","5","1") = "9"
    & skf18("9","10","9","4","2","6","1") = "9"
    & skf18("9","10","9","4","2","7","1") = "9"
    & skf18("9","10","9","4","2","8","1") = "9"
    & skf18("9","10","9","4","2","9","1") = "9"
    & skf18("9","10","9","4","2","10","1") = "9"
    & skf18("9","10","9","4","3","1","1") = "9"
    & skf18("9","10","9","4","3","2","1") = "9"
    & skf18("9","10","9","4","3","3","1") = "9"
    & skf18("9","10","9","4","3","4","1") = "9"
    & skf18("9","10","9","4","3","5","1") = "9"
    & skf18("9","10","9","4","3","6","1") = "9"
    & skf18("9","10","9","4","3","7","1") = "9"
    & skf18("9","10","9","4","3","8","1") = "9"
    & skf18("9","10","9","4","3","9","1") = "9"
    & skf18("9","10","9","4","3","10","1") = "9"
    & skf18("9","10","9","4","4","1","1") = "9"
    & skf18("9","10","9","4","4","2","1") = "9"
    & skf18("9","10","9","4","4","3","1") = "9"
    & skf18("9","10","9","4","4","4","1") = "9"
    & skf18("9","10","9","4","4","5","1") = "9"
    & skf18("9","10","9","4","4","6","1") = "9"
    & skf18("9","10","9","4","4","7","1") = "9"
    & skf18("9","10","9","4","4","8","1") = "9"
    & skf18("9","10","9","4","4","9","1") = "9"
    & skf18("9","10","9","4","4","10","1") = "9"
    & skf18("9","10","9","4","5","1","1") = "9"
    & skf18("9","10","9","4","5","2","1") = "9"
    & skf18("9","10","9","4","5","3","1") = "9"
    & skf18("9","10","9","4","5","4","1") = "9"
    & skf18("9","10","9","4","5","5","1") = "9"
    & skf18("9","10","9","4","5","6","1") = "9"
    & skf18("9","10","9","4","5","7","1") = "9"
    & skf18("9","10","9","4","5","8","1") = "9"
    & skf18("9","10","9","4","5","9","1") = "9"
    & skf18("9","10","9","4","5","10","1") = "9"
    & skf18("9","10","9","4","6","1","1") = "9"
    & skf18("9","10","9","4","6","2","1") = "9"
    & skf18("9","10","9","4","6","3","1") = "9"
    & skf18("9","10","9","4","6","4","1") = "9"
    & skf18("9","10","9","4","6","5","1") = "9"
    & skf18("9","10","9","4","6","6","1") = "9"
    & skf18("9","10","9","4","6","7","1") = "9"
    & skf18("9","10","9","4","6","8","1") = "9"
    & skf18("9","10","9","4","6","9","1") = "9"
    & skf18("9","10","9","4","6","10","1") = "9"
    & skf18("9","10","9","4","7","1","1") = "9"
    & skf18("9","10","9","4","7","2","1") = "9"
    & skf18("9","10","9","4","7","3","1") = "9"
    & skf18("9","10","9","4","7","4","1") = "9"
    & skf18("9","10","9","4","7","5","1") = "9"
    & skf18("9","10","9","4","7","6","1") = "9"
    & skf18("9","10","9","4","7","7","1") = "9"
    & skf18("9","10","9","4","7","8","1") = "9"
    & skf18("9","10","9","4","7","9","1") = "9"
    & skf18("9","10","9","4","7","10","1") = "9"
    & skf18("9","10","9","4","8","1","1") = "9"
    & skf18("9","10","9","4","8","2","1") = "9"
    & skf18("9","10","9","4","8","3","1") = "9"
    & skf18("9","10","9","4","8","4","1") = "9"
    & skf18("9","10","9","4","8","5","1") = "9"
    & skf18("9","10","9","4","8","6","1") = "9"
    & skf18("9","10","9","4","8","7","1") = "9"
    & skf18("9","10","9","4","8","8","1") = "9"
    & skf18("9","10","9","4","8","9","1") = "9"
    & skf18("9","10","9","4","8","10","1") = "9"
    & skf18("9","10","9","4","9","1","1") = "9"
    & skf18("9","10","9","4","9","2","1") = "9"
    & skf18("9","10","9","4","9","3","1") = "9"
    & skf18("9","10","9","4","9","4","1") = "9"
    & skf18("9","10","9","4","9","5","1") = "9"
    & skf18("9","10","9","4","9","6","1") = "9"
    & skf18("9","10","9","4","9","7","1") = "9"
    & skf18("9","10","9","4","9","8","1") = "9"
    & skf18("9","10","9","4","9","9","1") = "9"
    & skf18("9","10","9","4","9","10","1") = "9"
    & skf18("9","10","9","4","10","1","1") = "9"
    & skf18("9","10","9","4","10","2","1") = "9"
    & skf18("9","10","9","4","10","3","1") = "9"
    & skf18("9","10","9","4","10","4","1") = "9"
    & skf18("9","10","9","4","10","5","1") = "9"
    & skf18("9","10","9","4","10","6","1") = "9"
    & skf18("9","10","9","4","10","7","1") = "9"
    & skf18("9","10","9","4","10","8","1") = "9"
    & skf18("9","10","9","4","10","9","1") = "9"
    & skf18("9","10","9","4","10","10","1") = "9"
    & skf18("9","10","9","5","1","1","1") = "9"
    & skf18("9","10","9","5","1","2","1") = "9"
    & skf18("9","10","9","5","1","3","1") = "9"
    & skf18("9","10","9","5","1","4","1") = "9"
    & skf18("9","10","9","5","1","5","1") = "9"
    & skf18("9","10","9","5","1","6","1") = "9"
    & skf18("9","10","9","5","1","7","1") = "9"
    & skf18("9","10","9","5","1","8","1") = "9"
    & skf18("9","10","9","5","1","9","1") = "9"
    & skf18("9","10","9","5","1","10","1") = "9"
    & skf18("9","10","9","5","2","1","1") = "9"
    & skf18("9","10","9","5","2","2","1") = "9"
    & skf18("9","10","9","5","2","3","1") = "9"
    & skf18("9","10","9","5","2","4","1") = "9"
    & skf18("9","10","9","5","2","5","1") = "9"
    & skf18("9","10","9","5","2","6","1") = "9"
    & skf18("9","10","9","5","2","7","1") = "9"
    & skf18("9","10","9","5","2","8","1") = "9"
    & skf18("9","10","9","5","2","9","1") = "9"
    & skf18("9","10","9","5","2","10","1") = "9"
    & skf18("9","10","9","5","3","1","1") = "9"
    & skf18("9","10","9","5","3","2","1") = "9"
    & skf18("9","10","9","5","3","3","1") = "9"
    & skf18("9","10","9","5","3","4","1") = "9"
    & skf18("9","10","9","5","3","5","1") = "9"
    & skf18("9","10","9","5","3","6","1") = "9"
    & skf18("9","10","9","5","3","7","1") = "9"
    & skf18("9","10","9","5","3","8","1") = "9"
    & skf18("9","10","9","5","3","9","1") = "9"
    & skf18("9","10","9","5","3","10","1") = "9"
    & skf18("9","10","9","5","4","1","1") = "9"
    & skf18("9","10","9","5","4","2","1") = "9"
    & skf18("9","10","9","5","4","3","1") = "9"
    & skf18("9","10","9","5","4","4","1") = "9"
    & skf18("9","10","9","5","4","5","1") = "9"
    & skf18("9","10","9","5","4","6","1") = "9"
    & skf18("9","10","9","5","4","7","1") = "9"
    & skf18("9","10","9","5","4","8","1") = "9"
    & skf18("9","10","9","5","4","9","1") = "9"
    & skf18("9","10","9","5","4","10","1") = "9"
    & skf18("9","10","9","5","5","1","1") = "9"
    & skf18("9","10","9","5","5","2","1") = "9"
    & skf18("9","10","9","5","5","3","1") = "9"
    & skf18("9","10","9","5","5","4","1") = "9"
    & skf18("9","10","9","5","5","5","1") = "9"
    & skf18("9","10","9","5","5","6","1") = "9"
    & skf18("9","10","9","5","5","7","1") = "9"
    & skf18("9","10","9","5","5","8","1") = "9"
    & skf18("9","10","9","5","5","9","1") = "9"
    & skf18("9","10","9","5","5","10","1") = "9"
    & skf18("9","10","9","5","6","1","1") = "9"
    & skf18("9","10","9","5","6","2","1") = "9"
    & skf18("9","10","9","5","6","3","1") = "9"
    & skf18("9","10","9","5","6","4","1") = "9"
    & skf18("9","10","9","5","6","5","1") = "9"
    & skf18("9","10","9","5","6","6","1") = "9"
    & skf18("9","10","9","5","6","7","1") = "9"
    & skf18("9","10","9","5","6","8","1") = "9"
    & skf18("9","10","9","5","6","9","1") = "9"
    & skf18("9","10","9","5","6","10","1") = "9"
    & skf18("9","10","9","5","7","1","1") = "9"
    & skf18("9","10","9","5","7","2","1") = "9"
    & skf18("9","10","9","5","7","3","1") = "9"
    & skf18("9","10","9","5","7","4","1") = "9"
    & skf18("9","10","9","5","7","5","1") = "9"
    & skf18("9","10","9","5","7","6","1") = "9"
    & skf18("9","10","9","5","7","7","1") = "9"
    & skf18("9","10","9","5","7","8","1") = "9"
    & skf18("9","10","9","5","7","9","1") = "9"
    & skf18("9","10","9","5","7","10","1") = "9"
    & skf18("9","10","9","5","8","1","1") = "9"
    & skf18("9","10","9","5","8","2","1") = "9"
    & skf18("9","10","9","5","8","3","1") = "9"
    & skf18("9","10","9","5","8","4","1") = "9"
    & skf18("9","10","9","5","8","5","1") = "9"
    & skf18("9","10","9","5","8","6","1") = "9"
    & skf18("9","10","9","5","8","7","1") = "9"
    & skf18("9","10","9","5","8","8","1") = "9"
    & skf18("9","10","9","5","8","9","1") = "9"
    & skf18("9","10","9","5","8","10","1") = "9"
    & skf18("9","10","9","5","9","1","1") = "9"
    & skf18("9","10","9","5","9","2","1") = "9"
    & skf18("9","10","9","5","9","3","1") = "9"
    & skf18("9","10","9","5","9","4","1") = "9"
    & skf18("9","10","9","5","9","5","1") = "9"
    & skf18("9","10","9","5","9","6","1") = "9"
    & skf18("9","10","9","5","9","7","1") = "9"
    & skf18("9","10","9","5","9","8","1") = "9"
    & skf18("9","10","9","5","9","9","1") = "9"
    & skf18("9","10","9","5","9","10","1") = "9"
    & skf18("9","10","9","5","10","1","1") = "9"
    & skf18("9","10","9","5","10","2","1") = "9"
    & skf18("9","10","9","5","10","3","1") = "9"
    & skf18("9","10","9","5","10","4","1") = "9"
    & skf18("9","10","9","5","10","5","1") = "9"
    & skf18("9","10","9","5","10","6","1") = "9"
    & skf18("9","10","9","5","10","7","1") = "9"
    & skf18("9","10","9","5","10","8","1") = "9"
    & skf18("9","10","9","5","10","9","1") = "9"
    & skf18("9","10","9","5","10","10","1") = "9"
    & skf18("9","10","9","6","1","1","1") = "9"
    & skf18("9","10","9","6","1","2","1") = "9"
    & skf18("9","10","9","6","1","3","1") = "9"
    & skf18("9","10","9","6","1","4","1") = "9"
    & skf18("9","10","9","6","1","5","1") = "9"
    & skf18("9","10","9","6","1","6","1") = "9"
    & skf18("9","10","9","6","1","7","1") = "9"
    & skf18("9","10","9","6","1","8","1") = "9"
    & skf18("9","10","9","6","1","9","1") = "9"
    & skf18("9","10","9","6","1","10","1") = "9"
    & skf18("9","10","9","6","2","1","1") = "9"
    & skf18("9","10","9","6","2","2","1") = "9"
    & skf18("9","10","9","6","2","3","1") = "9"
    & skf18("9","10","9","6","2","4","1") = "9"
    & skf18("9","10","9","6","2","5","1") = "9"
    & skf18("9","10","9","6","2","6","1") = "9"
    & skf18("9","10","9","6","2","7","1") = "9"
    & skf18("9","10","9","6","2","8","1") = "9"
    & skf18("9","10","9","6","2","9","1") = "9"
    & skf18("9","10","9","6","2","10","1") = "9"
    & skf18("9","10","9","6","3","1","1") = "9"
    & skf18("9","10","9","6","3","2","1") = "9"
    & skf18("9","10","9","6","3","3","1") = "9"
    & skf18("9","10","9","6","3","4","1") = "9"
    & skf18("9","10","9","6","3","5","1") = "9"
    & skf18("9","10","9","6","3","6","1") = "9"
    & skf18("9","10","9","6","3","7","1") = "9"
    & skf18("9","10","9","6","3","8","1") = "9"
    & skf18("9","10","9","6","3","9","1") = "9"
    & skf18("9","10","9","6","3","10","1") = "9"
    & skf18("9","10","9","6","4","1","1") = "9"
    & skf18("9","10","9","6","4","2","1") = "9"
    & skf18("9","10","9","6","4","3","1") = "9"
    & skf18("9","10","9","6","4","4","1") = "9"
    & skf18("9","10","9","6","4","5","1") = "9"
    & skf18("9","10","9","6","4","6","1") = "9"
    & skf18("9","10","9","6","4","7","1") = "9"
    & skf18("9","10","9","6","4","8","1") = "9"
    & skf18("9","10","9","6","4","9","1") = "9"
    & skf18("9","10","9","6","4","10","1") = "9"
    & skf18("9","10","9","6","5","1","1") = "9"
    & skf18("9","10","9","6","5","2","1") = "9"
    & skf18("9","10","9","6","5","3","1") = "9"
    & skf18("9","10","9","6","5","4","1") = "9"
    & skf18("9","10","9","6","5","5","1") = "9"
    & skf18("9","10","9","6","5","6","1") = "9"
    & skf18("9","10","9","6","5","7","1") = "9"
    & skf18("9","10","9","6","5","8","1") = "9"
    & skf18("9","10","9","6","5","9","1") = "9"
    & skf18("9","10","9","6","5","10","1") = "9"
    & skf18("9","10","9","6","6","1","1") = "9"
    & skf18("9","10","9","6","6","2","1") = "9"
    & skf18("9","10","9","6","6","3","1") = "9"
    & skf18("9","10","9","6","6","4","1") = "9"
    & skf18("9","10","9","6","6","5","1") = "9"
    & skf18("9","10","9","6","6","6","1") = "9"
    & skf18("9","10","9","6","6","7","1") = "9"
    & skf18("9","10","9","6","6","8","1") = "9"
    & skf18("9","10","9","6","6","9","1") = "9"
    & skf18("9","10","9","6","6","10","1") = "9"
    & skf18("9","10","9","6","7","1","1") = "9"
    & skf18("9","10","9","6","7","2","1") = "9"
    & skf18("9","10","9","6","7","3","1") = "9"
    & skf18("9","10","9","6","7","4","1") = "9"
    & skf18("9","10","9","6","7","5","1") = "9"
    & skf18("9","10","9","6","7","6","1") = "9"
    & skf18("9","10","9","6","7","7","1") = "9"
    & skf18("9","10","9","6","7","8","1") = "9"
    & skf18("9","10","9","6","7","9","1") = "9"
    & skf18("9","10","9","6","7","10","1") = "9"
    & skf18("9","10","9","6","8","1","1") = "9"
    & skf18("9","10","9","6","8","2","1") = "9"
    & skf18("9","10","9","6","8","3","1") = "9"
    & skf18("9","10","9","6","8","4","1") = "9"
    & skf18("9","10","9","6","8","5","1") = "9"
    & skf18("9","10","9","6","8","6","1") = "9"
    & skf18("9","10","9","6","8","7","1") = "9"
    & skf18("9","10","9","6","8","8","1") = "9"
    & skf18("9","10","9","6","8","9","1") = "9"
    & skf18("9","10","9","6","8","10","1") = "9"
    & skf18("9","10","9","6","9","1","1") = "9"
    & skf18("9","10","9","6","9","2","1") = "9"
    & skf18("9","10","9","6","9","3","1") = "9"
    & skf18("9","10","9","6","9","4","1") = "9"
    & skf18("9","10","9","6","9","5","1") = "9"
    & skf18("9","10","9","6","9","6","1") = "9"
    & skf18("9","10","9","6","9","7","1") = "9"
    & skf18("9","10","9","6","9","8","1") = "9"
    & skf18("9","10","9","6","9","9","1") = "9"
    & skf18("9","10","9","6","9","10","1") = "9"
    & skf18("9","10","9","6","10","1","1") = "9"
    & skf18("9","10","9","6","10","2","1") = "9"
    & skf18("9","10","9","6","10","3","1") = "9"
    & skf18("9","10","9","6","10","4","1") = "9"
    & skf18("9","10","9","6","10","5","1") = "9"
    & skf18("9","10","9","6","10","6","1") = "9"
    & skf18("9","10","9","6","10","7","1") = "9"
    & skf18("9","10","9","6","10","8","1") = "9"
    & skf18("9","10","9","6","10","9","1") = "9"
    & skf18("9","10","9","6","10","10","1") = "9"
    & skf18("9","10","9","7","1","1","1") = "9"
    & skf18("9","10","9","7","1","2","1") = "9"
    & skf18("9","10","9","7","1","3","1") = "9"
    & skf18("9","10","9","7","1","4","1") = "9"
    & skf18("9","10","9","7","1","5","1") = "9"
    & skf18("9","10","9","7","1","6","1") = "9"
    & skf18("9","10","9","7","1","7","1") = "9"
    & skf18("9","10","9","7","1","8","1") = "9"
    & skf18("9","10","9","7","1","9","1") = "9"
    & skf18("9","10","9","7","1","10","1") = "9"
    & skf18("9","10","9","7","2","1","1") = "9"
    & skf18("9","10","9","7","2","2","1") = "9"
    & skf18("9","10","9","7","2","3","1") = "9"
    & skf18("9","10","9","7","2","4","1") = "9"
    & skf18("9","10","9","7","2","5","1") = "9"
    & skf18("9","10","9","7","2","6","1") = "9"
    & skf18("9","10","9","7","2","7","1") = "9"
    & skf18("9","10","9","7","2","8","1") = "9"
    & skf18("9","10","9","7","2","9","1") = "9"
    & skf18("9","10","9","7","2","10","1") = "9"
    & skf18("9","10","9","7","3","1","1") = "9"
    & skf18("9","10","9","7","3","2","1") = "9"
    & skf18("9","10","9","7","3","3","1") = "9"
    & skf18("9","10","9","7","3","4","1") = "9"
    & skf18("9","10","9","7","3","5","1") = "9"
    & skf18("9","10","9","7","3","6","1") = "9"
    & skf18("9","10","9","7","3","7","1") = "9"
    & skf18("9","10","9","7","3","8","1") = "9"
    & skf18("9","10","9","7","3","9","1") = "9"
    & skf18("9","10","9","7","3","10","1") = "9"
    & skf18("9","10","9","7","4","1","1") = "9"
    & skf18("9","10","9","7","4","2","1") = "9"
    & skf18("9","10","9","7","4","3","1") = "9"
    & skf18("9","10","9","7","4","4","1") = "9"
    & skf18("9","10","9","7","4","5","1") = "9"
    & skf18("9","10","9","7","4","6","1") = "9"
    & skf18("9","10","9","7","4","7","1") = "9"
    & skf18("9","10","9","7","4","8","1") = "9"
    & skf18("9","10","9","7","4","9","1") = "9"
    & skf18("9","10","9","7","4","10","1") = "9"
    & skf18("9","10","9","7","5","1","1") = "9"
    & skf18("9","10","9","7","5","2","1") = "9"
    & skf18("9","10","9","7","5","3","1") = "9"
    & skf18("9","10","9","7","5","4","1") = "9"
    & skf18("9","10","9","7","5","5","1") = "9"
    & skf18("9","10","9","7","5","6","1") = "9"
    & skf18("9","10","9","7","5","7","1") = "9"
    & skf18("9","10","9","7","5","8","1") = "9"
    & skf18("9","10","9","7","5","9","1") = "9"
    & skf18("9","10","9","7","5","10","1") = "9"
    & skf18("9","10","9","7","6","1","1") = "9"
    & skf18("9","10","9","7","6","2","1") = "9"
    & skf18("9","10","9","7","6","3","1") = "9"
    & skf18("9","10","9","7","6","4","1") = "9"
    & skf18("9","10","9","7","6","5","1") = "9"
    & skf18("9","10","9","7","6","6","1") = "9"
    & skf18("9","10","9","7","6","7","1") = "9"
    & skf18("9","10","9","7","6","8","1") = "9"
    & skf18("9","10","9","7","6","9","1") = "9"
    & skf18("9","10","9","7","6","10","1") = "9"
    & skf18("9","10","9","7","7","1","1") = "9"
    & skf18("9","10","9","7","7","2","1") = "9"
    & skf18("9","10","9","7","7","3","1") = "9"
    & skf18("9","10","9","7","7","4","1") = "9"
    & skf18("9","10","9","7","7","5","1") = "9"
    & skf18("9","10","9","7","7","6","1") = "9"
    & skf18("9","10","9","7","7","7","1") = "9"
    & skf18("9","10","9","7","7","8","1") = "9"
    & skf18("9","10","9","7","7","9","1") = "9"
    & skf18("9","10","9","7","7","10","1") = "9"
    & skf18("9","10","9","7","8","1","1") = "9"
    & skf18("9","10","9","7","8","2","1") = "9"
    & skf18("9","10","9","7","8","3","1") = "9"
    & skf18("9","10","9","7","8","4","1") = "9"
    & skf18("9","10","9","7","8","5","1") = "9"
    & skf18("9","10","9","7","8","6","1") = "9"
    & skf18("9","10","9","7","8","7","1") = "9"
    & skf18("9","10","9","7","8","8","1") = "9"
    & skf18("9","10","9","7","8","9","1") = "9"
    & skf18("9","10","9","7","8","10","1") = "9"
    & skf18("9","10","9","7","9","1","1") = "9"
    & skf18("9","10","9","7","9","2","1") = "9"
    & skf18("9","10","9","7","9","3","1") = "9"
    & skf18("9","10","9","7","9","4","1") = "9"
    & skf18("9","10","9","7","9","5","1") = "9"
    & skf18("9","10","9","7","9","6","1") = "9"
    & skf18("9","10","9","7","9","7","1") = "9"
    & skf18("9","10","9","7","9","8","1") = "9"
    & skf18("9","10","9","7","9","9","1") = "9"
    & skf18("9","10","9","7","9","10","1") = "9"
    & skf18("9","10","9","7","10","1","1") = "9"
    & skf18("9","10","9","7","10","2","1") = "9"
    & skf18("9","10","9","7","10","3","1") = "9"
    & skf18("9","10","9","7","10","4","1") = "9"
    & skf18("9","10","9","7","10","5","1") = "9"
    & skf18("9","10","9","7","10","6","1") = "9"
    & skf18("9","10","9","7","10","7","1") = "9"
    & skf18("9","10","9","7","10","8","1") = "9"
    & skf18("9","10","9","7","10","9","1") = "9"
    & skf18("9","10","9","7","10","10","1") = "9"
    & skf18("9","10","9","8","1","1","1") = "9"
    & skf18("9","10","9","8","1","2","1") = "9"
    & skf18("9","10","9","8","1","3","1") = "9"
    & skf18("9","10","9","8","1","4","1") = "9"
    & skf18("9","10","9","8","1","5","1") = "9"
    & skf18("9","10","9","8","1","6","1") = "9"
    & skf18("9","10","9","8","1","7","1") = "9"
    & skf18("9","10","9","8","1","8","1") = "9"
    & skf18("9","10","9","8","1","9","1") = "9"
    & skf18("9","10","9","8","1","10","1") = "9"
    & skf18("9","10","9","8","2","1","1") = "9"
    & skf18("9","10","9","8","2","2","1") = "9"
    & skf18("9","10","9","8","2","3","1") = "9"
    & skf18("9","10","9","8","2","4","1") = "9"
    & skf18("9","10","9","8","2","5","1") = "9"
    & skf18("9","10","9","8","2","6","1") = "9"
    & skf18("9","10","9","8","2","7","1") = "9"
    & skf18("9","10","9","8","2","8","1") = "9"
    & skf18("9","10","9","8","2","9","1") = "9"
    & skf18("9","10","9","8","2","10","1") = "9"
    & skf18("9","10","9","8","3","1","1") = "9"
    & skf18("9","10","9","8","3","2","1") = "9"
    & skf18("9","10","9","8","3","3","1") = "9"
    & skf18("9","10","9","8","3","4","1") = "9"
    & skf18("9","10","9","8","3","5","1") = "9"
    & skf18("9","10","9","8","3","6","1") = "9"
    & skf18("9","10","9","8","3","7","1") = "9"
    & skf18("9","10","9","8","3","8","1") = "9"
    & skf18("9","10","9","8","3","9","1") = "9"
    & skf18("9","10","9","8","3","10","1") = "9"
    & skf18("9","10","9","8","4","1","1") = "9"
    & skf18("9","10","9","8","4","2","1") = "9"
    & skf18("9","10","9","8","4","3","1") = "9"
    & skf18("9","10","9","8","4","4","1") = "9"
    & skf18("9","10","9","8","4","5","1") = "9"
    & skf18("9","10","9","8","4","6","1") = "9"
    & skf18("9","10","9","8","4","7","1") = "9"
    & skf18("9","10","9","8","4","8","1") = "9"
    & skf18("9","10","9","8","4","9","1") = "9"
    & skf18("9","10","9","8","4","10","1") = "9"
    & skf18("9","10","9","8","5","1","1") = "9"
    & skf18("9","10","9","8","5","2","1") = "9"
    & skf18("9","10","9","8","5","3","1") = "9"
    & skf18("9","10","9","8","5","4","1") = "9"
    & skf18("9","10","9","8","5","5","1") = "9"
    & skf18("9","10","9","8","5","6","1") = "9"
    & skf18("9","10","9","8","5","7","1") = "9"
    & skf18("9","10","9","8","5","8","1") = "9"
    & skf18("9","10","9","8","5","9","1") = "9"
    & skf18("9","10","9","8","5","10","1") = "9"
    & skf18("9","10","9","8","6","1","1") = "9"
    & skf18("9","10","9","8","6","2","1") = "9"
    & skf18("9","10","9","8","6","3","1") = "9"
    & skf18("9","10","9","8","6","4","1") = "9"
    & skf18("9","10","9","8","6","5","1") = "9"
    & skf18("9","10","9","8","6","6","1") = "9"
    & skf18("9","10","9","8","6","7","1") = "9"
    & skf18("9","10","9","8","6","8","1") = "9"
    & skf18("9","10","9","8","6","9","1") = "9"
    & skf18("9","10","9","8","6","10","1") = "9"
    & skf18("9","10","9","8","7","1","1") = "9"
    & skf18("9","10","9","8","7","2","1") = "9"
    & skf18("9","10","9","8","7","3","1") = "9"
    & skf18("9","10","9","8","7","4","1") = "9"
    & skf18("9","10","9","8","7","5","1") = "9"
    & skf18("9","10","9","8","7","6","1") = "9"
    & skf18("9","10","9","8","7","7","1") = "9"
    & skf18("9","10","9","8","7","8","1") = "9"
    & skf18("9","10","9","8","7","9","1") = "9"
    & skf18("9","10","9","8","7","10","1") = "9"
    & skf18("9","10","9","8","8","1","1") = "9"
    & skf18("9","10","9","8","8","2","1") = "9"
    & skf18("9","10","9","8","8","3","1") = "9"
    & skf18("9","10","9","8","8","4","1") = "9"
    & skf18("9","10","9","8","8","5","1") = "9"
    & skf18("9","10","9","8","8","6","1") = "9"
    & skf18("9","10","9","8","8","7","1") = "9"
    & skf18("9","10","9","8","8","8","1") = "9"
    & skf18("9","10","9","8","8","9","1") = "9"
    & skf18("9","10","9","8","8","10","1") = "9"
    & skf18("9","10","9","8","9","1","1") = "9"
    & skf18("9","10","9","8","9","2","1") = "9"
    & skf18("9","10","9","8","9","3","1") = "9"
    & skf18("9","10","9","8","9","4","1") = "9"
    & skf18("9","10","9","8","9","5","1") = "9"
    & skf18("9","10","9","8","9","6","1") = "9"
    & skf18("9","10","9","8","9","7","1") = "9"
    & skf18("9","10","9","8","9","8","1") = "9"
    & skf18("9","10","9","8","9","9","1") = "9"
    & skf18("9","10","9","8","9","10","1") = "9"
    & skf18("9","10","9","8","10","1","1") = "9"
    & skf18("9","10","9","8","10","2","1") = "9"
    & skf18("9","10","9","8","10","3","1") = "9"
    & skf18("9","10","9","8","10","4","1") = "9"
    & skf18("9","10","9","8","10","5","1") = "9"
    & skf18("9","10","9","8","10","6","1") = "9"
    & skf18("9","10","9","8","10","7","1") = "9"
    & skf18("9","10","9","8","10","8","1") = "9"
    & skf18("9","10","9","8","10","9","1") = "9"
    & skf18("9","10","9","8","10","10","1") = "9"
    & skf18("9","10","9","9","1","1","1") = "9"
    & skf18("9","10","9","9","1","2","1") = "9"
    & skf18("9","10","9","9","1","3","1") = "9"
    & skf18("9","10","9","9","1","4","1") = "9"
    & skf18("9","10","9","9","1","5","1") = "9"
    & skf18("9","10","9","9","1","6","1") = "9"
    & skf18("9","10","9","9","1","7","1") = "9"
    & skf18("9","10","9","9","1","8","1") = "9"
    & skf18("9","10","9","9","1","9","1") = "9"
    & skf18("9","10","9","9","1","10","1") = "9"
    & skf18("9","10","9","9","2","1","1") = "9"
    & skf18("9","10","9","9","2","2","1") = "9"
    & skf18("9","10","9","9","2","3","1") = "9"
    & skf18("9","10","9","9","2","4","1") = "9"
    & skf18("9","10","9","9","2","5","1") = "9"
    & skf18("9","10","9","9","2","6","1") = "9"
    & skf18("9","10","9","9","2","7","1") = "9"
    & skf18("9","10","9","9","2","8","1") = "9"
    & skf18("9","10","9","9","2","9","1") = "9"
    & skf18("9","10","9","9","2","10","1") = "9"
    & skf18("9","10","9","9","3","1","1") = "9"
    & skf18("9","10","9","9","3","2","1") = "9"
    & skf18("9","10","9","9","3","3","1") = "9"
    & skf18("9","10","9","9","3","4","1") = "9"
    & skf18("9","10","9","9","3","5","1") = "9"
    & skf18("9","10","9","9","3","6","1") = "9"
    & skf18("9","10","9","9","3","7","1") = "9"
    & skf18("9","10","9","9","3","8","1") = "9"
    & skf18("9","10","9","9","3","9","1") = "9"
    & skf18("9","10","9","9","3","10","1") = "9"
    & skf18("9","10","9","9","4","1","1") = "9"
    & skf18("9","10","9","9","4","2","1") = "9"
    & skf18("9","10","9","9","4","3","1") = "9"
    & skf18("9","10","9","9","4","4","1") = "9"
    & skf18("9","10","9","9","4","5","1") = "9"
    & skf18("9","10","9","9","4","6","1") = "9"
    & skf18("9","10","9","9","4","7","1") = "9"
    & skf18("9","10","9","9","4","8","1") = "9"
    & skf18("9","10","9","9","4","9","1") = "9"
    & skf18("9","10","9","9","4","10","1") = "9"
    & skf18("9","10","9","9","5","1","1") = "9"
    & skf18("9","10","9","9","5","2","1") = "9"
    & skf18("9","10","9","9","5","3","1") = "9"
    & skf18("9","10","9","9","5","4","1") = "9"
    & skf18("9","10","9","9","5","5","1") = "9"
    & skf18("9","10","9","9","5","6","1") = "9"
    & skf18("9","10","9","9","5","7","1") = "9"
    & skf18("9","10","9","9","5","8","1") = "9"
    & skf18("9","10","9","9","5","9","1") = "9"
    & skf18("9","10","9","9","5","10","1") = "9"
    & skf18("9","10","9","9","6","1","1") = "9"
    & skf18("9","10","9","9","6","2","1") = "9"
    & skf18("9","10","9","9","6","3","1") = "9"
    & skf18("9","10","9","9","6","4","1") = "9"
    & skf18("9","10","9","9","6","5","1") = "9"
    & skf18("9","10","9","9","6","6","1") = "9"
    & skf18("9","10","9","9","6","7","1") = "9"
    & skf18("9","10","9","9","6","8","1") = "9"
    & skf18("9","10","9","9","6","9","1") = "9"
    & skf18("9","10","9","9","6","10","1") = "9"
    & skf18("9","10","9","9","7","1","1") = "9"
    & skf18("9","10","9","9","7","2","1") = "9"
    & skf18("9","10","9","9","7","3","1") = "9"
    & skf18("9","10","9","9","7","4","1") = "9"
    & skf18("9","10","9","9","7","5","1") = "9"
    & skf18("9","10","9","9","7","6","1") = "9"
    & skf18("9","10","9","9","7","7","1") = "9"
    & skf18("9","10","9","9","7","8","1") = "9"
    & skf18("9","10","9","9","7","9","1") = "9"
    & skf18("9","10","9","9","7","10","1") = "9"
    & skf18("9","10","9","9","8","1","1") = "9"
    & skf18("9","10","9","9","8","2","1") = "9"
    & skf18("9","10","9","9","8","3","1") = "9"
    & skf18("9","10","9","9","8","4","1") = "9"
    & skf18("9","10","9","9","8","5","1") = "9"
    & skf18("9","10","9","9","8","6","1") = "9"
    & skf18("9","10","9","9","8","7","1") = "9"
    & skf18("9","10","9","9","8","8","1") = "9"
    & skf18("9","10","9","9","8","9","1") = "9"
    & skf18("9","10","9","9","8","10","1") = "9"
    & skf18("9","10","9","9","9","1","1") = "9"
    & skf18("9","10","9","9","9","2","1") = "9"
    & skf18("9","10","9","9","9","3","1") = "9"
    & skf18("9","10","9","9","9","4","1") = "9"
    & skf18("9","10","9","9","9","5","1") = "9"
    & skf18("9","10","9","9","9","6","1") = "9"
    & skf18("9","10","9","9","9","7","1") = "9"
    & skf18("9","10","9","9","9","8","1") = "9"
    & skf18("9","10","9","9","9","9","1") = "9"
    & skf18("9","10","9","9","9","10","1") = "9"
    & skf18("9","10","9","9","10","1","1") = "9"
    & skf18("9","10","9","9","10","2","1") = "9"
    & skf18("9","10","9","9","10","3","1") = "9"
    & skf18("9","10","9","9","10","4","1") = "9"
    & skf18("9","10","9","9","10","5","1") = "9"
    & skf18("9","10","9","9","10","6","1") = "9"
    & skf18("9","10","9","9","10","7","1") = "9"
    & skf18("9","10","9","9","10","8","1") = "9"
    & skf18("9","10","9","9","10","9","1") = "9"
    & skf18("9","10","9","9","10","10","1") = "9"
    & skf18("9","10","9","10","1","1","1") = "9"
    & skf18("9","10","9","10","1","2","1") = "9"
    & skf18("9","10","9","10","1","3","1") = "9"
    & skf18("9","10","9","10","1","4","1") = "9"
    & skf18("9","10","9","10","1","5","1") = "9"
    & skf18("9","10","9","10","1","6","1") = "9"
    & skf18("9","10","9","10","1","7","1") = "9"
    & skf18("9","10","9","10","1","8","1") = "9"
    & skf18("9","10","9","10","1","9","1") = "9"
    & skf18("9","10","9","10","1","10","1") = "9"
    & skf18("9","10","9","10","2","1","1") = "9"
    & skf18("9","10","9","10","2","2","1") = "9"
    & skf18("9","10","9","10","2","3","1") = "9"
    & skf18("9","10","9","10","2","4","1") = "9"
    & skf18("9","10","9","10","2","5","1") = "9"
    & skf18("9","10","9","10","2","6","1") = "9"
    & skf18("9","10","9","10","2","7","1") = "9"
    & skf18("9","10","9","10","2","8","1") = "9"
    & skf18("9","10","9","10","2","9","1") = "9"
    & skf18("9","10","9","10","2","10","1") = "9"
    & skf18("9","10","9","10","3","1","1") = "9"
    & skf18("9","10","9","10","3","2","1") = "9"
    & skf18("9","10","9","10","3","3","1") = "9"
    & skf18("9","10","9","10","3","4","1") = "9"
    & skf18("9","10","9","10","3","5","1") = "9"
    & skf18("9","10","9","10","3","6","1") = "9"
    & skf18("9","10","9","10","3","7","1") = "9"
    & skf18("9","10","9","10","3","8","1") = "9"
    & skf18("9","10","9","10","3","9","1") = "9"
    & skf18("9","10","9","10","3","10","1") = "9"
    & skf18("9","10","9","10","4","1","1") = "9"
    & skf18("9","10","9","10","4","2","1") = "9"
    & skf18("9","10","9","10","4","3","1") = "9"
    & skf18("9","10","9","10","4","4","1") = "9"
    & skf18("9","10","9","10","4","5","1") = "9"
    & skf18("9","10","9","10","4","6","1") = "9"
    & skf18("9","10","9","10","4","7","1") = "9"
    & skf18("9","10","9","10","4","8","1") = "9"
    & skf18("9","10","9","10","4","9","1") = "9"
    & skf18("9","10","9","10","4","10","1") = "9"
    & skf18("9","10","9","10","5","1","1") = "9"
    & skf18("9","10","9","10","5","2","1") = "9"
    & skf18("9","10","9","10","5","3","1") = "9"
    & skf18("9","10","9","10","5","4","1") = "9"
    & skf18("9","10","9","10","5","5","1") = "9"
    & skf18("9","10","9","10","5","6","1") = "9"
    & skf18("9","10","9","10","5","7","1") = "9"
    & skf18("9","10","9","10","5","8","1") = "9"
    & skf18("9","10","9","10","5","9","1") = "9"
    & skf18("9","10","9","10","5","10","1") = "9"
    & skf18("9","10","9","10","6","1","1") = "9"
    & skf18("9","10","9","10","6","2","1") = "9"
    & skf18("9","10","9","10","6","3","1") = "9"
    & skf18("9","10","9","10","6","4","1") = "9"
    & skf18("9","10","9","10","6","5","1") = "9"
    & skf18("9","10","9","10","6","6","1") = "9"
    & skf18("9","10","9","10","6","7","1") = "9"
    & skf18("9","10","9","10","6","8","1") = "9"
    & skf18("9","10","9","10","6","9","1") = "9"
    & skf18("9","10","9","10","6","10","1") = "9"
    & skf18("9","10","9","10","7","1","1") = "9"
    & skf18("9","10","9","10","7","2","1") = "9"
    & skf18("9","10","9","10","7","3","1") = "9"
    & skf18("9","10","9","10","7","4","1") = "9"
    & skf18("9","10","9","10","7","5","1") = "9"
    & skf18("9","10","9","10","7","6","1") = "9"
    & skf18("9","10","9","10","7","7","1") = "9"
    & skf18("9","10","9","10","7","8","1") = "9"
    & skf18("9","10","9","10","7","9","1") = "9"
    & skf18("9","10","9","10","7","10","1") = "9"
    & skf18("9","10","9","10","8","1","1") = "9"
    & skf18("9","10","9","10","8","2","1") = "9"
    & skf18("9","10","9","10","8","3","1") = "9"
    & skf18("9","10","9","10","8","4","1") = "9"
    & skf18("9","10","9","10","8","5","1") = "9"
    & skf18("9","10","9","10","8","6","1") = "9"
    & skf18("9","10","9","10","8","7","1") = "9"
    & skf18("9","10","9","10","8","8","1") = "9"
    & skf18("9","10","9","10","8","9","1") = "9"
    & skf18("9","10","9","10","8","10","1") = "9"
    & skf18("9","10","9","10","9","1","1") = "9"
    & skf18("9","10","9","10","9","2","1") = "9"
    & skf18("9","10","9","10","9","3","1") = "9"
    & skf18("9","10","9","10","9","4","1") = "9"
    & skf18("9","10","9","10","9","5","1") = "9"
    & skf18("9","10","9","10","9","6","1") = "9"
    & skf18("9","10","9","10","9","7","1") = "9"
    & skf18("9","10","9","10","9","8","1") = "9"
    & skf18("9","10","9","10","9","9","1") = "9"
    & skf18("9","10","9","10","9","10","1") = "9"
    & skf18("9","10","9","10","10","1","1") = "9"
    & skf18("9","10","9","10","10","2","1") = "9"
    & skf18("9","10","9","10","10","3","1") = "9"
    & skf18("9","10","9","10","10","4","1") = "9"
    & skf18("9","10","9","10","10","5","1") = "9"
    & skf18("9","10","9","10","10","6","1") = "9"
    & skf18("9","10","9","10","10","7","1") = "9"
    & skf18("9","10","9","10","10","8","1") = "9"
    & skf18("9","10","9","10","10","9","1") = "9"
    & skf18("9","10","9","10","10","10","1") = "9"
    & skf18("9","10","10","1","1","1","1") = "9"
    & skf18("9","10","10","1","1","2","1") = "9"
    & skf18("9","10","10","1","1","3","1") = "9"
    & skf18("9","10","10","1","1","4","1") = "9"
    & skf18("9","10","10","1","1","5","1") = "9"
    & skf18("9","10","10","1","1","6","1") = "9"
    & skf18("9","10","10","1","1","7","1") = "9"
    & skf18("9","10","10","1","1","8","1") = "9"
    & skf18("9","10","10","1","1","9","1") = "9"
    & skf18("9","10","10","1","1","10","1") = "9"
    & skf18("9","10","10","1","2","1","1") = "9"
    & skf18("9","10","10","1","2","2","1") = "9"
    & skf18("9","10","10","1","2","3","1") = "9"
    & skf18("9","10","10","1","2","4","1") = "9"
    & skf18("9","10","10","1","2","5","1") = "9"
    & skf18("9","10","10","1","2","6","1") = "9"
    & skf18("9","10","10","1","2","7","1") = "9"
    & skf18("9","10","10","1","2","8","1") = "9"
    & skf18("9","10","10","1","2","9","1") = "9"
    & skf18("9","10","10","1","2","10","1") = "9"
    & skf18("9","10","10","1","3","1","1") = "9"
    & skf18("9","10","10","1","3","2","1") = "9"
    & skf18("9","10","10","1","3","3","1") = "9"
    & skf18("9","10","10","1","3","4","1") = "9"
    & skf18("9","10","10","1","3","5","1") = "9"
    & skf18("9","10","10","1","3","6","1") = "9"
    & skf18("9","10","10","1","3","7","1") = "9"
    & skf18("9","10","10","1","3","8","1") = "9"
    & skf18("9","10","10","1","3","9","1") = "9"
    & skf18("9","10","10","1","3","10","1") = "9"
    & skf18("9","10","10","1","4","1","1") = "9"
    & skf18("9","10","10","1","4","2","1") = "9"
    & skf18("9","10","10","1","4","3","1") = "9"
    & skf18("9","10","10","1","4","4","1") = "9"
    & skf18("9","10","10","1","4","5","1") = "9"
    & skf18("9","10","10","1","4","6","1") = "9"
    & skf18("9","10","10","1","4","7","1") = "9"
    & skf18("9","10","10","1","4","8","1") = "9"
    & skf18("9","10","10","1","4","9","1") = "9"
    & skf18("9","10","10","1","4","10","1") = "9"
    & skf18("9","10","10","1","5","1","1") = "9"
    & skf18("9","10","10","1","5","2","1") = "9"
    & skf18("9","10","10","1","5","3","1") = "9"
    & skf18("9","10","10","1","5","4","1") = "9"
    & skf18("9","10","10","1","5","5","1") = "9"
    & skf18("9","10","10","1","5","6","1") = "9"
    & skf18("9","10","10","1","5","7","1") = "9"
    & skf18("9","10","10","1","5","8","1") = "9"
    & skf18("9","10","10","1","5","9","1") = "9"
    & skf18("9","10","10","1","5","10","1") = "9"
    & skf18("9","10","10","1","6","1","1") = "9"
    & skf18("9","10","10","1","6","2","1") = "9"
    & skf18("9","10","10","1","6","3","1") = "9"
    & skf18("9","10","10","1","6","4","1") = "9"
    & skf18("9","10","10","1","6","5","1") = "9"
    & skf18("9","10","10","1","6","6","1") = "9"
    & skf18("9","10","10","1","6","7","1") = "9"
    & skf18("9","10","10","1","6","8","1") = "9"
    & skf18("9","10","10","1","6","9","1") = "9"
    & skf18("9","10","10","1","6","10","1") = "9"
    & skf18("9","10","10","1","7","1","1") = "9"
    & skf18("9","10","10","1","7","2","1") = "9"
    & skf18("9","10","10","1","7","3","1") = "9"
    & skf18("9","10","10","1","7","4","1") = "9"
    & skf18("9","10","10","1","7","5","1") = "9"
    & skf18("9","10","10","1","7","6","1") = "9"
    & skf18("9","10","10","1","7","7","1") = "9"
    & skf18("9","10","10","1","7","8","1") = "9"
    & skf18("9","10","10","1","7","9","1") = "9"
    & skf18("9","10","10","1","7","10","1") = "9"
    & skf18("9","10","10","1","8","1","1") = "9"
    & skf18("9","10","10","1","8","2","1") = "9"
    & skf18("9","10","10","1","8","3","1") = "9"
    & skf18("9","10","10","1","8","4","1") = "9"
    & skf18("9","10","10","1","8","5","1") = "9"
    & skf18("9","10","10","1","8","6","1") = "9"
    & skf18("9","10","10","1","8","7","1") = "9"
    & skf18("9","10","10","1","8","8","1") = "9"
    & skf18("9","10","10","1","8","9","1") = "9"
    & skf18("9","10","10","1","8","10","1") = "9"
    & skf18("9","10","10","1","9","1","1") = "9"
    & skf18("9","10","10","1","9","2","1") = "9"
    & skf18("9","10","10","1","9","3","1") = "9"
    & skf18("9","10","10","1","9","4","1") = "9"
    & skf18("9","10","10","1","9","5","1") = "9"
    & skf18("9","10","10","1","9","6","1") = "9"
    & skf18("9","10","10","1","9","7","1") = "9"
    & skf18("9","10","10","1","9","8","1") = "9"
    & skf18("9","10","10","1","9","9","1") = "9"
    & skf18("9","10","10","1","9","10","1") = "9"
    & skf18("9","10","10","1","10","1","1") = "9"
    & skf18("9","10","10","1","10","2","1") = "9"
    & skf18("9","10","10","1","10","3","1") = "9"
    & skf18("9","10","10","1","10","4","1") = "9"
    & skf18("9","10","10","1","10","5","1") = "9"
    & skf18("9","10","10","1","10","6","1") = "9"
    & skf18("9","10","10","1","10","7","1") = "9"
    & skf18("9","10","10","1","10","8","1") = "9"
    & skf18("9","10","10","1","10","9","1") = "9"
    & skf18("9","10","10","1","10","10","1") = "9"
    & skf18("9","10","10","2","1","1","1") = "9"
    & skf18("9","10","10","2","1","2","1") = "9"
    & skf18("9","10","10","2","1","3","1") = "9"
    & skf18("9","10","10","2","1","4","1") = "9"
    & skf18("9","10","10","2","1","5","1") = "9"
    & skf18("9","10","10","2","1","6","1") = "9"
    & skf18("9","10","10","2","1","7","1") = "9"
    & skf18("9","10","10","2","1","8","1") = "9"
    & skf18("9","10","10","2","1","9","1") = "9"
    & skf18("9","10","10","2","1","10","1") = "9"
    & skf18("9","10","10","2","2","1","1") = "9"
    & skf18("9","10","10","2","2","2","1") = "9"
    & skf18("9","10","10","2","2","3","1") = "9"
    & skf18("9","10","10","2","2","4","1") = "9"
    & skf18("9","10","10","2","2","5","1") = "9"
    & skf18("9","10","10","2","2","6","1") = "9"
    & skf18("9","10","10","2","2","7","1") = "9"
    & skf18("9","10","10","2","2","8","1") = "9"
    & skf18("9","10","10","2","2","9","1") = "9"
    & skf18("9","10","10","2","2","10","1") = "9"
    & skf18("9","10","10","2","3","1","1") = "9"
    & skf18("9","10","10","2","3","2","1") = "9"
    & skf18("9","10","10","2","3","3","1") = "9"
    & skf18("9","10","10","2","3","4","1") = "9"
    & skf18("9","10","10","2","3","5","1") = "9"
    & skf18("9","10","10","2","3","6","1") = "9"
    & skf18("9","10","10","2","3","7","1") = "9"
    & skf18("9","10","10","2","3","8","1") = "9"
    & skf18("9","10","10","2","3","9","1") = "9"
    & skf18("9","10","10","2","3","10","1") = "9"
    & skf18("9","10","10","2","4","1","1") = "9"
    & skf18("9","10","10","2","4","2","1") = "9"
    & skf18("9","10","10","2","4","3","1") = "9"
    & skf18("9","10","10","2","4","4","1") = "9"
    & skf18("9","10","10","2","4","5","1") = "9"
    & skf18("9","10","10","2","4","6","1") = "9"
    & skf18("9","10","10","2","4","7","1") = "9"
    & skf18("9","10","10","2","4","8","1") = "9"
    & skf18("9","10","10","2","4","9","1") = "9"
    & skf18("9","10","10","2","4","10","1") = "9"
    & skf18("9","10","10","2","5","1","1") = "9"
    & skf18("9","10","10","2","5","2","1") = "9"
    & skf18("9","10","10","2","5","3","1") = "9"
    & skf18("9","10","10","2","5","4","1") = "9"
    & skf18("9","10","10","2","5","5","1") = "9"
    & skf18("9","10","10","2","5","6","1") = "9"
    & skf18("9","10","10","2","5","7","1") = "9"
    & skf18("9","10","10","2","5","8","1") = "9"
    & skf18("9","10","10","2","5","9","1") = "9"
    & skf18("9","10","10","2","5","10","1") = "9"
    & skf18("9","10","10","2","6","1","1") = "9"
    & skf18("9","10","10","2","6","2","1") = "9"
    & skf18("9","10","10","2","6","3","1") = "9"
    & skf18("9","10","10","2","6","4","1") = "9"
    & skf18("9","10","10","2","6","5","1") = "9"
    & skf18("9","10","10","2","6","6","1") = "9"
    & skf18("9","10","10","2","6","7","1") = "9"
    & skf18("9","10","10","2","6","8","1") = "9"
    & skf18("9","10","10","2","6","9","1") = "9"
    & skf18("9","10","10","2","6","10","1") = "9"
    & skf18("9","10","10","2","7","1","1") = "9"
    & skf18("9","10","10","2","7","2","1") = "9"
    & skf18("9","10","10","2","7","3","1") = "9"
    & skf18("9","10","10","2","7","4","1") = "9"
    & skf18("9","10","10","2","7","5","1") = "9"
    & skf18("9","10","10","2","7","6","1") = "9"
    & skf18("9","10","10","2","7","7","1") = "9"
    & skf18("9","10","10","2","7","8","1") = "9"
    & skf18("9","10","10","2","7","9","1") = "9"
    & skf18("9","10","10","2","7","10","1") = "9"
    & skf18("9","10","10","2","8","1","1") = "9"
    & skf18("9","10","10","2","8","2","1") = "9"
    & skf18("9","10","10","2","8","3","1") = "9"
    & skf18("9","10","10","2","8","4","1") = "9"
    & skf18("9","10","10","2","8","5","1") = "9"
    & skf18("9","10","10","2","8","6","1") = "9"
    & skf18("9","10","10","2","8","7","1") = "9"
    & skf18("9","10","10","2","8","8","1") = "9"
    & skf18("9","10","10","2","8","9","1") = "9"
    & skf18("9","10","10","2","8","10","1") = "9"
    & skf18("9","10","10","2","9","1","1") = "9"
    & skf18("9","10","10","2","9","2","1") = "9"
    & skf18("9","10","10","2","9","3","1") = "9"
    & skf18("9","10","10","2","9","4","1") = "9"
    & skf18("9","10","10","2","9","5","1") = "9"
    & skf18("9","10","10","2","9","6","1") = "9"
    & skf18("9","10","10","2","9","7","1") = "9"
    & skf18("9","10","10","2","9","8","1") = "9"
    & skf18("9","10","10","2","9","9","1") = "9"
    & skf18("9","10","10","2","9","10","1") = "9"
    & skf18("9","10","10","2","10","1","1") = "9"
    & skf18("9","10","10","2","10","2","1") = "9"
    & skf18("9","10","10","2","10","3","1") = "9"
    & skf18("9","10","10","2","10","4","1") = "9"
    & skf18("9","10","10","2","10","5","1") = "9"
    & skf18("9","10","10","2","10","6","1") = "9"
    & skf18("9","10","10","2","10","7","1") = "9"
    & skf18("9","10","10","2","10","8","1") = "9"
    & skf18("9","10","10","2","10","9","1") = "9"
    & skf18("9","10","10","2","10","10","1") = "9"
    & skf18("9","10","10","3","1","1","1") = "9"
    & skf18("9","10","10","3","1","2","1") = "9"
    & skf18("9","10","10","3","1","3","1") = "9"
    & skf18("9","10","10","3","1","4","1") = "9"
    & skf18("9","10","10","3","1","5","1") = "9"
    & skf18("9","10","10","3","1","6","1") = "9"
    & skf18("9","10","10","3","1","7","1") = "9"
    & skf18("9","10","10","3","1","8","1") = "9"
    & skf18("9","10","10","3","1","9","1") = "9"
    & skf18("9","10","10","3","1","10","1") = "9"
    & skf18("9","10","10","3","2","1","1") = "9"
    & skf18("9","10","10","3","2","2","1") = "9"
    & skf18("9","10","10","3","2","3","1") = "9"
    & skf18("9","10","10","3","2","4","1") = "9"
    & skf18("9","10","10","3","2","5","1") = "9"
    & skf18("9","10","10","3","2","6","1") = "9"
    & skf18("9","10","10","3","2","7","1") = "9"
    & skf18("9","10","10","3","2","8","1") = "9"
    & skf18("9","10","10","3","2","9","1") = "9"
    & skf18("9","10","10","3","2","10","1") = "9"
    & skf18("9","10","10","3","3","1","1") = "9"
    & skf18("9","10","10","3","3","2","1") = "9"
    & skf18("9","10","10","3","3","3","1") = "9"
    & skf18("9","10","10","3","3","4","1") = "9"
    & skf18("9","10","10","3","3","5","1") = "9"
    & skf18("9","10","10","3","3","6","1") = "9"
    & skf18("9","10","10","3","3","7","1") = "9"
    & skf18("9","10","10","3","3","8","1") = "9"
    & skf18("9","10","10","3","3","9","1") = "9"
    & skf18("9","10","10","3","3","10","1") = "9"
    & skf18("9","10","10","3","4","1","1") = "9"
    & skf18("9","10","10","3","4","2","1") = "9"
    & skf18("9","10","10","3","4","3","1") = "9"
    & skf18("9","10","10","3","4","4","1") = "9"
    & skf18("9","10","10","3","4","5","1") = "9"
    & skf18("9","10","10","3","4","6","1") = "9"
    & skf18("9","10","10","3","4","7","1") = "9"
    & skf18("9","10","10","3","4","8","1") = "9"
    & skf18("9","10","10","3","4","9","1") = "9"
    & skf18("9","10","10","3","4","10","1") = "9"
    & skf18("9","10","10","3","5","1","1") = "9"
    & skf18("9","10","10","3","5","2","1") = "9"
    & skf18("9","10","10","3","5","3","1") = "9"
    & skf18("9","10","10","3","5","4","1") = "9"
    & skf18("9","10","10","3","5","5","1") = "9"
    & skf18("9","10","10","3","5","6","1") = "9"
    & skf18("9","10","10","3","5","7","1") = "9"
    & skf18("9","10","10","3","5","8","1") = "9"
    & skf18("9","10","10","3","5","9","1") = "9"
    & skf18("9","10","10","3","5","10","1") = "9"
    & skf18("9","10","10","3","6","1","1") = "9"
    & skf18("9","10","10","3","6","2","1") = "9"
    & skf18("9","10","10","3","6","3","1") = "9"
    & skf18("9","10","10","3","6","4","1") = "9"
    & skf18("9","10","10","3","6","5","1") = "9"
    & skf18("9","10","10","3","6","6","1") = "9"
    & skf18("9","10","10","3","6","7","1") = "9"
    & skf18("9","10","10","3","6","8","1") = "9"
    & skf18("9","10","10","3","6","9","1") = "9"
    & skf18("9","10","10","3","6","10","1") = "9"
    & skf18("9","10","10","3","7","1","1") = "9"
    & skf18("9","10","10","3","7","2","1") = "9"
    & skf18("9","10","10","3","7","3","1") = "9"
    & skf18("9","10","10","3","7","4","1") = "9"
    & skf18("9","10","10","3","7","5","1") = "9"
    & skf18("9","10","10","3","7","6","1") = "9"
    & skf18("9","10","10","3","7","7","1") = "9"
    & skf18("9","10","10","3","7","8","1") = "9"
    & skf18("9","10","10","3","7","9","1") = "9"
    & skf18("9","10","10","3","7","10","1") = "9"
    & skf18("9","10","10","3","8","1","1") = "9"
    & skf18("9","10","10","3","8","2","1") = "9"
    & skf18("9","10","10","3","8","3","1") = "9"
    & skf18("9","10","10","3","8","4","1") = "9"
    & skf18("9","10","10","3","8","5","1") = "9"
    & skf18("9","10","10","3","8","6","1") = "9"
    & skf18("9","10","10","3","8","7","1") = "9"
    & skf18("9","10","10","3","8","8","1") = "9"
    & skf18("9","10","10","3","8","9","1") = "9"
    & skf18("9","10","10","3","8","10","1") = "9"
    & skf18("9","10","10","3","9","1","1") = "9"
    & skf18("9","10","10","3","9","2","1") = "9"
    & skf18("9","10","10","3","9","3","1") = "9"
    & skf18("9","10","10","3","9","4","1") = "9"
    & skf18("9","10","10","3","9","5","1") = "9"
    & skf18("9","10","10","3","9","6","1") = "9"
    & skf18("9","10","10","3","9","7","1") = "9"
    & skf18("9","10","10","3","9","8","1") = "9"
    & skf18("9","10","10","3","9","9","1") = "9"
    & skf18("9","10","10","3","9","10","1") = "9"
    & skf18("9","10","10","3","10","1","1") = "9"
    & skf18("9","10","10","3","10","2","1") = "9"
    & skf18("9","10","10","3","10","3","1") = "9"
    & skf18("9","10","10","3","10","4","1") = "9"
    & skf18("9","10","10","3","10","5","1") = "9"
    & skf18("9","10","10","3","10","6","1") = "9"
    & skf18("9","10","10","3","10","7","1") = "9"
    & skf18("9","10","10","3","10","8","1") = "9"
    & skf18("9","10","10","3","10","9","1") = "9"
    & skf18("9","10","10","3","10","10","1") = "9"
    & skf18("9","10","10","4","1","1","1") = "9"
    & skf18("9","10","10","4","1","2","1") = "9"
    & skf18("9","10","10","4","1","3","1") = "9"
    & skf18("9","10","10","4","1","4","1") = "9"
    & skf18("9","10","10","4","1","5","1") = "9"
    & skf18("9","10","10","4","1","6","1") = "9"
    & skf18("9","10","10","4","1","7","1") = "9"
    & skf18("9","10","10","4","1","8","1") = "9"
    & skf18("9","10","10","4","1","9","1") = "9"
    & skf18("9","10","10","4","1","10","1") = "9"
    & skf18("9","10","10","4","2","1","1") = "9"
    & skf18("9","10","10","4","2","2","1") = "9"
    & skf18("9","10","10","4","2","3","1") = "9"
    & skf18("9","10","10","4","2","4","1") = "9"
    & skf18("9","10","10","4","2","5","1") = "9"
    & skf18("9","10","10","4","2","6","1") = "9"
    & skf18("9","10","10","4","2","7","1") = "9"
    & skf18("9","10","10","4","2","8","1") = "9"
    & skf18("9","10","10","4","2","9","1") = "9"
    & skf18("9","10","10","4","2","10","1") = "9"
    & skf18("9","10","10","4","3","1","1") = "9"
    & skf18("9","10","10","4","3","2","1") = "9"
    & skf18("9","10","10","4","3","3","1") = "9"
    & skf18("9","10","10","4","3","4","1") = "9"
    & skf18("9","10","10","4","3","5","1") = "9"
    & skf18("9","10","10","4","3","6","1") = "9"
    & skf18("9","10","10","4","3","7","1") = "9"
    & skf18("9","10","10","4","3","8","1") = "9"
    & skf18("9","10","10","4","3","9","1") = "9"
    & skf18("9","10","10","4","3","10","1") = "9"
    & skf18("9","10","10","4","4","1","1") = "9"
    & skf18("9","10","10","4","4","2","1") = "9"
    & skf18("9","10","10","4","4","3","1") = "9"
    & skf18("9","10","10","4","4","4","1") = "9"
    & skf18("9","10","10","4","4","5","1") = "9"
    & skf18("9","10","10","4","4","6","1") = "9"
    & skf18("9","10","10","4","4","7","1") = "9"
    & skf18("9","10","10","4","4","8","1") = "9"
    & skf18("9","10","10","4","4","9","1") = "9"
    & skf18("9","10","10","4","4","10","1") = "9"
    & skf18("9","10","10","4","5","1","1") = "9"
    & skf18("9","10","10","4","5","2","1") = "9"
    & skf18("9","10","10","4","5","3","1") = "9"
    & skf18("9","10","10","4","5","4","1") = "9"
    & skf18("9","10","10","4","5","5","1") = "9"
    & skf18("9","10","10","4","5","6","1") = "9"
    & skf18("9","10","10","4","5","7","1") = "9"
    & skf18("9","10","10","4","5","8","1") = "9"
    & skf18("9","10","10","4","5","9","1") = "9"
    & skf18("9","10","10","4","5","10","1") = "9"
    & skf18("9","10","10","4","6","1","1") = "9"
    & skf18("9","10","10","4","6","2","1") = "9"
    & skf18("9","10","10","4","6","3","1") = "9"
    & skf18("9","10","10","4","6","4","1") = "9"
    & skf18("9","10","10","4","6","5","1") = "9"
    & skf18("9","10","10","4","6","6","1") = "9"
    & skf18("9","10","10","4","6","7","1") = "9"
    & skf18("9","10","10","4","6","8","1") = "9"
    & skf18("9","10","10","4","6","9","1") = "9"
    & skf18("9","10","10","4","6","10","1") = "9"
    & skf18("9","10","10","4","7","1","1") = "9"
    & skf18("9","10","10","4","7","2","1") = "9"
    & skf18("9","10","10","4","7","3","1") = "9"
    & skf18("9","10","10","4","7","4","1") = "9"
    & skf18("9","10","10","4","7","5","1") = "9"
    & skf18("9","10","10","4","7","6","1") = "9"
    & skf18("9","10","10","4","7","7","1") = "9"
    & skf18("9","10","10","4","7","8","1") = "9"
    & skf18("9","10","10","4","7","9","1") = "9"
    & skf18("9","10","10","4","7","10","1") = "9"
    & skf18("9","10","10","4","8","1","1") = "9"
    & skf18("9","10","10","4","8","2","1") = "9"
    & skf18("9","10","10","4","8","3","1") = "9"
    & skf18("9","10","10","4","8","4","1") = "9"
    & skf18("9","10","10","4","8","5","1") = "9"
    & skf18("9","10","10","4","8","6","1") = "9"
    & skf18("9","10","10","4","8","7","1") = "9"
    & skf18("9","10","10","4","8","8","1") = "9"
    & skf18("9","10","10","4","8","9","1") = "9"
    & skf18("9","10","10","4","8","10","1") = "9"
    & skf18("9","10","10","4","9","1","1") = "9"
    & skf18("9","10","10","4","9","2","1") = "9"
    & skf18("9","10","10","4","9","3","1") = "9"
    & skf18("9","10","10","4","9","4","1") = "9"
    & skf18("9","10","10","4","9","5","1") = "9"
    & skf18("9","10","10","4","9","6","1") = "9"
    & skf18("9","10","10","4","9","7","1") = "9"
    & skf18("9","10","10","4","9","8","1") = "9"
    & skf18("9","10","10","4","9","9","1") = "9"
    & skf18("9","10","10","4","9","10","1") = "9"
    & skf18("9","10","10","4","10","1","1") = "9"
    & skf18("9","10","10","4","10","2","1") = "9"
    & skf18("9","10","10","4","10","3","1") = "9"
    & skf18("9","10","10","4","10","4","1") = "9"
    & skf18("9","10","10","4","10","5","1") = "9"
    & skf18("9","10","10","4","10","6","1") = "9"
    & skf18("9","10","10","4","10","7","1") = "9"
    & skf18("9","10","10","4","10","8","1") = "9"
    & skf18("9","10","10","4","10","9","1") = "9"
    & skf18("9","10","10","4","10","10","1") = "9"
    & skf18("9","10","10","5","1","1","1") = "9"
    & skf18("9","10","10","5","1","2","1") = "9"
    & skf18("9","10","10","5","1","3","1") = "9"
    & skf18("9","10","10","5","1","4","1") = "9"
    & skf18("9","10","10","5","1","5","1") = "9"
    & skf18("9","10","10","5","1","6","1") = "9"
    & skf18("9","10","10","5","1","7","1") = "9"
    & skf18("9","10","10","5","1","8","1") = "9"
    & skf18("9","10","10","5","1","9","1") = "9"
    & skf18("9","10","10","5","1","10","1") = "9"
    & skf18("9","10","10","5","2","1","1") = "9"
    & skf18("9","10","10","5","2","2","1") = "9"
    & skf18("9","10","10","5","2","3","1") = "9"
    & skf18("9","10","10","5","2","4","1") = "9"
    & skf18("9","10","10","5","2","5","1") = "9"
    & skf18("9","10","10","5","2","6","1") = "9"
    & skf18("9","10","10","5","2","7","1") = "9"
    & skf18("9","10","10","5","2","8","1") = "9"
    & skf18("9","10","10","5","2","9","1") = "9"
    & skf18("9","10","10","5","2","10","1") = "9"
    & skf18("9","10","10","5","3","1","1") = "9"
    & skf18("9","10","10","5","3","2","1") = "9"
    & skf18("9","10","10","5","3","3","1") = "9"
    & skf18("9","10","10","5","3","4","1") = "9"
    & skf18("9","10","10","5","3","5","1") = "9"
    & skf18("9","10","10","5","3","6","1") = "9"
    & skf18("9","10","10","5","3","7","1") = "9"
    & skf18("9","10","10","5","3","8","1") = "9"
    & skf18("9","10","10","5","3","9","1") = "9"
    & skf18("9","10","10","5","3","10","1") = "9"
    & skf18("9","10","10","5","4","1","1") = "9"
    & skf18("9","10","10","5","4","2","1") = "9"
    & skf18("9","10","10","5","4","3","1") = "9"
    & skf18("9","10","10","5","4","4","1") = "9"
    & skf18("9","10","10","5","4","5","1") = "9"
    & skf18("9","10","10","5","4","6","1") = "9"
    & skf18("9","10","10","5","4","7","1") = "9"
    & skf18("9","10","10","5","4","8","1") = "9"
    & skf18("9","10","10","5","4","9","1") = "9"
    & skf18("9","10","10","5","4","10","1") = "9"
    & skf18("9","10","10","5","5","1","1") = "9"
    & skf18("9","10","10","5","5","2","1") = "9"
    & skf18("9","10","10","5","5","3","1") = "9"
    & skf18("9","10","10","5","5","4","1") = "9"
    & skf18("9","10","10","5","5","5","1") = "9"
    & skf18("9","10","10","5","5","6","1") = "9"
    & skf18("9","10","10","5","5","7","1") = "9"
    & skf18("9","10","10","5","5","8","1") = "9"
    & skf18("9","10","10","5","5","9","1") = "9"
    & skf18("9","10","10","5","5","10","1") = "9"
    & skf18("9","10","10","5","6","1","1") = "9"
    & skf18("9","10","10","5","6","2","1") = "9"
    & skf18("9","10","10","5","6","3","1") = "9"
    & skf18("9","10","10","5","6","4","1") = "9"
    & skf18("9","10","10","5","6","5","1") = "9"
    & skf18("9","10","10","5","6","6","1") = "9"
    & skf18("9","10","10","5","6","7","1") = "9"
    & skf18("9","10","10","5","6","8","1") = "9"
    & skf18("9","10","10","5","6","9","1") = "9"
    & skf18("9","10","10","5","6","10","1") = "9"
    & skf18("9","10","10","5","7","1","1") = "9"
    & skf18("9","10","10","5","7","2","1") = "9"
    & skf18("9","10","10","5","7","3","1") = "9"
    & skf18("9","10","10","5","7","4","1") = "9"
    & skf18("9","10","10","5","7","5","1") = "9"
    & skf18("9","10","10","5","7","6","1") = "9"
    & skf18("9","10","10","5","7","7","1") = "9"
    & skf18("9","10","10","5","7","8","1") = "9"
    & skf18("9","10","10","5","7","9","1") = "9"
    & skf18("9","10","10","5","7","10","1") = "9"
    & skf18("9","10","10","5","8","1","1") = "9"
    & skf18("9","10","10","5","8","2","1") = "9"
    & skf18("9","10","10","5","8","3","1") = "9"
    & skf18("9","10","10","5","8","4","1") = "9"
    & skf18("9","10","10","5","8","5","1") = "9"
    & skf18("9","10","10","5","8","6","1") = "9"
    & skf18("9","10","10","5","8","7","1") = "9"
    & skf18("9","10","10","5","8","8","1") = "9"
    & skf18("9","10","10","5","8","9","1") = "9"
    & skf18("9","10","10","5","8","10","1") = "9"
    & skf18("9","10","10","5","9","1","1") = "9"
    & skf18("9","10","10","5","9","2","1") = "9"
    & skf18("9","10","10","5","9","3","1") = "9"
    & skf18("9","10","10","5","9","4","1") = "9"
    & skf18("9","10","10","5","9","5","1") = "9"
    & skf18("9","10","10","5","9","6","1") = "9"
    & skf18("9","10","10","5","9","7","1") = "9"
    & skf18("9","10","10","5","9","8","1") = "9"
    & skf18("9","10","10","5","9","9","1") = "9"
    & skf18("9","10","10","5","9","10","1") = "9"
    & skf18("9","10","10","5","10","1","1") = "9"
    & skf18("9","10","10","5","10","2","1") = "9"
    & skf18("9","10","10","5","10","3","1") = "9"
    & skf18("9","10","10","5","10","4","1") = "9"
    & skf18("9","10","10","5","10","5","1") = "9"
    & skf18("9","10","10","5","10","6","1") = "9"
    & skf18("9","10","10","5","10","7","1") = "9"
    & skf18("9","10","10","5","10","8","1") = "9"
    & skf18("9","10","10","5","10","9","1") = "9"
    & skf18("9","10","10","5","10","10","1") = "9"
    & skf18("9","10","10","6","1","1","1") = "9"
    & skf18("9","10","10","6","1","2","1") = "9"
    & skf18("9","10","10","6","1","3","1") = "9"
    & skf18("9","10","10","6","1","4","1") = "9"
    & skf18("9","10","10","6","1","5","1") = "9"
    & skf18("9","10","10","6","1","6","1") = "9"
    & skf18("9","10","10","6","1","7","1") = "9"
    & skf18("9","10","10","6","1","8","1") = "9"
    & skf18("9","10","10","6","1","9","1") = "9"
    & skf18("9","10","10","6","1","10","1") = "9"
    & skf18("9","10","10","6","2","1","1") = "9"
    & skf18("9","10","10","6","2","2","1") = "9"
    & skf18("9","10","10","6","2","3","1") = "9"
    & skf18("9","10","10","6","2","4","1") = "9"
    & skf18("9","10","10","6","2","5","1") = "9"
    & skf18("9","10","10","6","2","6","1") = "9"
    & skf18("9","10","10","6","2","7","1") = "9"
    & skf18("9","10","10","6","2","8","1") = "9"
    & skf18("9","10","10","6","2","9","1") = "9"
    & skf18("9","10","10","6","2","10","1") = "9"
    & skf18("9","10","10","6","3","1","1") = "9"
    & skf18("9","10","10","6","3","2","1") = "9"
    & skf18("9","10","10","6","3","3","1") = "9"
    & skf18("9","10","10","6","3","4","1") = "9"
    & skf18("9","10","10","6","3","5","1") = "9"
    & skf18("9","10","10","6","3","6","1") = "9"
    & skf18("9","10","10","6","3","7","1") = "9"
    & skf18("9","10","10","6","3","8","1") = "9"
    & skf18("9","10","10","6","3","9","1") = "9"
    & skf18("9","10","10","6","3","10","1") = "9"
    & skf18("9","10","10","6","4","1","1") = "9"
    & skf18("9","10","10","6","4","2","1") = "9"
    & skf18("9","10","10","6","4","3","1") = "9"
    & skf18("9","10","10","6","4","4","1") = "9"
    & skf18("9","10","10","6","4","5","1") = "9"
    & skf18("9","10","10","6","4","6","1") = "9"
    & skf18("9","10","10","6","4","7","1") = "9"
    & skf18("9","10","10","6","4","8","1") = "9"
    & skf18("9","10","10","6","4","9","1") = "9"
    & skf18("9","10","10","6","4","10","1") = "9"
    & skf18("9","10","10","6","5","1","1") = "9"
    & skf18("9","10","10","6","5","2","1") = "9"
    & skf18("9","10","10","6","5","3","1") = "9"
    & skf18("9","10","10","6","5","4","1") = "9"
    & skf18("9","10","10","6","5","5","1") = "9"
    & skf18("9","10","10","6","5","6","1") = "9"
    & skf18("9","10","10","6","5","7","1") = "9"
    & skf18("9","10","10","6","5","8","1") = "9"
    & skf18("9","10","10","6","5","9","1") = "9"
    & skf18("9","10","10","6","5","10","1") = "9"
    & skf18("9","10","10","6","6","1","1") = "9"
    & skf18("9","10","10","6","6","2","1") = "9"
    & skf18("9","10","10","6","6","3","1") = "9"
    & skf18("9","10","10","6","6","4","1") = "9"
    & skf18("9","10","10","6","6","5","1") = "9"
    & skf18("9","10","10","6","6","6","1") = "9"
    & skf18("9","10","10","6","6","7","1") = "9"
    & skf18("9","10","10","6","6","8","1") = "9"
    & skf18("9","10","10","6","6","9","1") = "9"
    & skf18("9","10","10","6","6","10","1") = "9"
    & skf18("9","10","10","6","7","1","1") = "9"
    & skf18("9","10","10","6","7","2","1") = "9"
    & skf18("9","10","10","6","7","3","1") = "9"
    & skf18("9","10","10","6","7","4","1") = "9"
    & skf18("9","10","10","6","7","5","1") = "9"
    & skf18("9","10","10","6","7","6","1") = "9"
    & skf18("9","10","10","6","7","7","1") = "9"
    & skf18("9","10","10","6","7","8","1") = "9"
    & skf18("9","10","10","6","7","9","1") = "9"
    & skf18("9","10","10","6","7","10","1") = "9"
    & skf18("9","10","10","6","8","1","1") = "9"
    & skf18("9","10","10","6","8","2","1") = "9"
    & skf18("9","10","10","6","8","3","1") = "9"
    & skf18("9","10","10","6","8","4","1") = "9"
    & skf18("9","10","10","6","8","5","1") = "9"
    & skf18("9","10","10","6","8","6","1") = "9"
    & skf18("9","10","10","6","8","7","1") = "9"
    & skf18("9","10","10","6","8","8","1") = "9"
    & skf18("9","10","10","6","8","9","1") = "9"
    & skf18("9","10","10","6","8","10","1") = "9"
    & skf18("9","10","10","6","9","1","1") = "9"
    & skf18("9","10","10","6","9","2","1") = "9"
    & skf18("9","10","10","6","9","3","1") = "9"
    & skf18("9","10","10","6","9","4","1") = "9"
    & skf18("9","10","10","6","9","5","1") = "9"
    & skf18("9","10","10","6","9","6","1") = "9"
    & skf18("9","10","10","6","9","7","1") = "9"
    & skf18("9","10","10","6","9","8","1") = "9"
    & skf18("9","10","10","6","9","9","1") = "9"
    & skf18("9","10","10","6","9","10","1") = "9"
    & skf18("9","10","10","6","10","1","1") = "9"
    & skf18("9","10","10","6","10","2","1") = "9"
    & skf18("9","10","10","6","10","3","1") = "9"
    & skf18("9","10","10","6","10","4","1") = "9"
    & skf18("9","10","10","6","10","5","1") = "9"
    & skf18("9","10","10","6","10","6","1") = "9"
    & skf18("9","10","10","6","10","7","1") = "9"
    & skf18("9","10","10","6","10","8","1") = "9"
    & skf18("9","10","10","6","10","9","1") = "9"
    & skf18("9","10","10","6","10","10","1") = "9"
    & skf18("9","10","10","7","1","1","1") = "9"
    & skf18("9","10","10","7","1","2","1") = "9"
    & skf18("9","10","10","7","1","3","1") = "9"
    & skf18("9","10","10","7","1","4","1") = "9"
    & skf18("9","10","10","7","1","5","1") = "9"
    & skf18("9","10","10","7","1","6","1") = "9"
    & skf18("9","10","10","7","1","7","1") = "9"
    & skf18("9","10","10","7","1","8","1") = "9"
    & skf18("9","10","10","7","1","9","1") = "9"
    & skf18("9","10","10","7","1","10","1") = "9"
    & skf18("9","10","10","7","2","1","1") = "9"
    & skf18("9","10","10","7","2","2","1") = "9"
    & skf18("9","10","10","7","2","3","1") = "9"
    & skf18("9","10","10","7","2","4","1") = "9"
    & skf18("9","10","10","7","2","5","1") = "9"
    & skf18("9","10","10","7","2","6","1") = "9"
    & skf18("9","10","10","7","2","7","1") = "9"
    & skf18("9","10","10","7","2","8","1") = "9"
    & skf18("9","10","10","7","2","9","1") = "9"
    & skf18("9","10","10","7","2","10","1") = "9"
    & skf18("9","10","10","7","3","1","1") = "9"
    & skf18("9","10","10","7","3","2","1") = "9"
    & skf18("9","10","10","7","3","3","1") = "9"
    & skf18("9","10","10","7","3","4","1") = "9"
    & skf18("9","10","10","7","3","5","1") = "9"
    & skf18("9","10","10","7","3","6","1") = "9"
    & skf18("9","10","10","7","3","7","1") = "9"
    & skf18("9","10","10","7","3","8","1") = "9"
    & skf18("9","10","10","7","3","9","1") = "9"
    & skf18("9","10","10","7","3","10","1") = "9"
    & skf18("9","10","10","7","4","1","1") = "9"
    & skf18("9","10","10","7","4","2","1") = "9"
    & skf18("9","10","10","7","4","3","1") = "9"
    & skf18("9","10","10","7","4","4","1") = "9"
    & skf18("9","10","10","7","4","5","1") = "9"
    & skf18("9","10","10","7","4","6","1") = "9"
    & skf18("9","10","10","7","4","7","1") = "9"
    & skf18("9","10","10","7","4","8","1") = "9"
    & skf18("9","10","10","7","4","9","1") = "9"
    & skf18("9","10","10","7","4","10","1") = "9"
    & skf18("9","10","10","7","5","1","1") = "9"
    & skf18("9","10","10","7","5","2","1") = "9"
    & skf18("9","10","10","7","5","3","1") = "9"
    & skf18("9","10","10","7","5","4","1") = "9"
    & skf18("9","10","10","7","5","5","1") = "9"
    & skf18("9","10","10","7","5","6","1") = "9"
    & skf18("9","10","10","7","5","7","1") = "9"
    & skf18("9","10","10","7","5","8","1") = "9"
    & skf18("9","10","10","7","5","9","1") = "9"
    & skf18("9","10","10","7","5","10","1") = "9"
    & skf18("9","10","10","7","6","1","1") = "9"
    & skf18("9","10","10","7","6","2","1") = "9"
    & skf18("9","10","10","7","6","3","1") = "9"
    & skf18("9","10","10","7","6","4","1") = "9"
    & skf18("9","10","10","7","6","5","1") = "9"
    & skf18("9","10","10","7","6","6","1") = "9"
    & skf18("9","10","10","7","6","7","1") = "9"
    & skf18("9","10","10","7","6","8","1") = "9"
    & skf18("9","10","10","7","6","9","1") = "9"
    & skf18("9","10","10","7","6","10","1") = "9"
    & skf18("9","10","10","7","7","1","1") = "9"
    & skf18("9","10","10","7","7","2","1") = "9"
    & skf18("9","10","10","7","7","3","1") = "9"
    & skf18("9","10","10","7","7","4","1") = "9"
    & skf18("9","10","10","7","7","5","1") = "9"
    & skf18("9","10","10","7","7","6","1") = "9"
    & skf18("9","10","10","7","7","7","1") = "9"
    & skf18("9","10","10","7","7","8","1") = "9"
    & skf18("9","10","10","7","7","9","1") = "9"
    & skf18("9","10","10","7","7","10","1") = "9"
    & skf18("9","10","10","7","8","1","1") = "9"
    & skf18("9","10","10","7","8","2","1") = "9"
    & skf18("9","10","10","7","8","3","1") = "9"
    & skf18("9","10","10","7","8","4","1") = "9"
    & skf18("9","10","10","7","8","5","1") = "9"
    & skf18("9","10","10","7","8","6","1") = "9"
    & skf18("9","10","10","7","8","7","1") = "9"
    & skf18("9","10","10","7","8","8","1") = "9"
    & skf18("9","10","10","7","8","9","1") = "9"
    & skf18("9","10","10","7","8","10","1") = "9"
    & skf18("9","10","10","7","9","1","1") = "9"
    & skf18("9","10","10","7","9","2","1") = "9"
    & skf18("9","10","10","7","9","3","1") = "9"
    & skf18("9","10","10","7","9","4","1") = "9"
    & skf18("9","10","10","7","9","5","1") = "9"
    & skf18("9","10","10","7","9","6","1") = "9"
    & skf18("9","10","10","7","9","7","1") = "9"
    & skf18("9","10","10","7","9","8","1") = "9"
    & skf18("9","10","10","7","9","9","1") = "9"
    & skf18("9","10","10","7","9","10","1") = "9"
    & skf18("9","10","10","7","10","1","1") = "9"
    & skf18("9","10","10","7","10","2","1") = "9"
    & skf18("9","10","10","7","10","3","1") = "9"
    & skf18("9","10","10","7","10","4","1") = "9"
    & skf18("9","10","10","7","10","5","1") = "9"
    & skf18("9","10","10","7","10","6","1") = "9"
    & skf18("9","10","10","7","10","7","1") = "9"
    & skf18("9","10","10","7","10","8","1") = "9"
    & skf18("9","10","10","7","10","9","1") = "9"
    & skf18("9","10","10","7","10","10","1") = "9"
    & skf18("9","10","10","8","1","1","1") = "9"
    & skf18("9","10","10","8","1","2","1") = "9"
    & skf18("9","10","10","8","1","3","1") = "9"
    & skf18("9","10","10","8","1","4","1") = "9"
    & skf18("9","10","10","8","1","5","1") = "9"
    & skf18("9","10","10","8","1","6","1") = "9"
    & skf18("9","10","10","8","1","7","1") = "9"
    & skf18("9","10","10","8","1","8","1") = "9"
    & skf18("9","10","10","8","1","9","1") = "9"
    & skf18("9","10","10","8","1","10","1") = "9"
    & skf18("9","10","10","8","2","1","1") = "9"
    & skf18("9","10","10","8","2","2","1") = "9"
    & skf18("9","10","10","8","2","3","1") = "9"
    & skf18("9","10","10","8","2","4","1") = "9"
    & skf18("9","10","10","8","2","5","1") = "9"
    & skf18("9","10","10","8","2","6","1") = "9"
    & skf18("9","10","10","8","2","7","1") = "9"
    & skf18("9","10","10","8","2","8","1") = "9"
    & skf18("9","10","10","8","2","9","1") = "9"
    & skf18("9","10","10","8","2","10","1") = "9"
    & skf18("9","10","10","8","3","1","1") = "9"
    & skf18("9","10","10","8","3","2","1") = "9"
    & skf18("9","10","10","8","3","3","1") = "9"
    & skf18("9","10","10","8","3","4","1") = "9"
    & skf18("9","10","10","8","3","5","1") = "9"
    & skf18("9","10","10","8","3","6","1") = "9"
    & skf18("9","10","10","8","3","7","1") = "9"
    & skf18("9","10","10","8","3","8","1") = "9"
    & skf18("9","10","10","8","3","9","1") = "9"
    & skf18("9","10","10","8","3","10","1") = "9"
    & skf18("9","10","10","8","4","1","1") = "9"
    & skf18("9","10","10","8","4","2","1") = "9"
    & skf18("9","10","10","8","4","3","1") = "9"
    & skf18("9","10","10","8","4","4","1") = "9"
    & skf18("9","10","10","8","4","5","1") = "9"
    & skf18("9","10","10","8","4","6","1") = "9"
    & skf18("9","10","10","8","4","7","1") = "9"
    & skf18("9","10","10","8","4","8","1") = "9"
    & skf18("9","10","10","8","4","9","1") = "9"
    & skf18("9","10","10","8","4","10","1") = "9"
    & skf18("9","10","10","8","5","1","1") = "9"
    & skf18("9","10","10","8","5","2","1") = "9"
    & skf18("9","10","10","8","5","3","1") = "9"
    & skf18("9","10","10","8","5","4","1") = "9"
    & skf18("9","10","10","8","5","5","1") = "9"
    & skf18("9","10","10","8","5","6","1") = "9"
    & skf18("9","10","10","8","5","7","1") = "9"
    & skf18("9","10","10","8","5","8","1") = "9"
    & skf18("9","10","10","8","5","9","1") = "9"
    & skf18("9","10","10","8","5","10","1") = "9"
    & skf18("9","10","10","8","6","1","1") = "9"
    & skf18("9","10","10","8","6","2","1") = "9"
    & skf18("9","10","10","8","6","3","1") = "9"
    & skf18("9","10","10","8","6","4","1") = "9"
    & skf18("9","10","10","8","6","5","1") = "9"
    & skf18("9","10","10","8","6","6","1") = "9"
    & skf18("9","10","10","8","6","7","1") = "9"
    & skf18("9","10","10","8","6","8","1") = "9"
    & skf18("9","10","10","8","6","9","1") = "9"
    & skf18("9","10","10","8","6","10","1") = "9"
    & skf18("9","10","10","8","7","1","1") = "9"
    & skf18("9","10","10","8","7","2","1") = "9"
    & skf18("9","10","10","8","7","3","1") = "9"
    & skf18("9","10","10","8","7","4","1") = "9"
    & skf18("9","10","10","8","7","5","1") = "9"
    & skf18("9","10","10","8","7","6","1") = "9"
    & skf18("9","10","10","8","7","7","1") = "9"
    & skf18("9","10","10","8","7","8","1") = "9"
    & skf18("9","10","10","8","7","9","1") = "9"
    & skf18("9","10","10","8","7","10","1") = "9"
    & skf18("9","10","10","8","8","1","1") = "9"
    & skf18("9","10","10","8","8","2","1") = "9"
    & skf18("9","10","10","8","8","3","1") = "9"
    & skf18("9","10","10","8","8","4","1") = "9"
    & skf18("9","10","10","8","8","5","1") = "9"
    & skf18("9","10","10","8","8","6","1") = "9"
    & skf18("9","10","10","8","8","7","1") = "9"
    & skf18("9","10","10","8","8","8","1") = "9"
    & skf18("9","10","10","8","8","9","1") = "9"
    & skf18("9","10","10","8","8","10","1") = "9"
    & skf18("9","10","10","8","9","1","1") = "9"
    & skf18("9","10","10","8","9","2","1") = "9"
    & skf18("9","10","10","8","9","3","1") = "9"
    & skf18("9","10","10","8","9","4","1") = "9"
    & skf18("9","10","10","8","9","5","1") = "9"
    & skf18("9","10","10","8","9","6","1") = "9"
    & skf18("9","10","10","8","9","7","1") = "9"
    & skf18("9","10","10","8","9","8","1") = "9"
    & skf18("9","10","10","8","9","9","1") = "9"
    & skf18("9","10","10","8","9","10","1") = "9"
    & skf18("9","10","10","8","10","1","1") = "9"
    & skf18("9","10","10","8","10","2","1") = "9"
    & skf18("9","10","10","8","10","3","1") = "9"
    & skf18("9","10","10","8","10","4","1") = "9"
    & skf18("9","10","10","8","10","5","1") = "9"
    & skf18("9","10","10","8","10","6","1") = "9"
    & skf18("9","10","10","8","10","7","1") = "9"
    & skf18("9","10","10","8","10","8","1") = "9"
    & skf18("9","10","10","8","10","9","1") = "9"
    & skf18("9","10","10","8","10","10","1") = "9"
    & skf18("9","10","10","9","1","1","1") = "9"
    & skf18("9","10","10","9","1","2","1") = "9"
    & skf18("9","10","10","9","1","3","1") = "9"
    & skf18("9","10","10","9","1","4","1") = "9"
    & skf18("9","10","10","9","1","5","1") = "9"
    & skf18("9","10","10","9","1","6","1") = "9"
    & skf18("9","10","10","9","1","7","1") = "9"
    & skf18("9","10","10","9","1","8","1") = "9"
    & skf18("9","10","10","9","1","9","1") = "9"
    & skf18("9","10","10","9","1","10","1") = "9"
    & skf18("9","10","10","9","2","1","1") = "9"
    & skf18("9","10","10","9","2","2","1") = "9"
    & skf18("9","10","10","9","2","3","1") = "9"
    & skf18("9","10","10","9","2","4","1") = "9"
    & skf18("9","10","10","9","2","5","1") = "9"
    & skf18("9","10","10","9","2","6","1") = "9"
    & skf18("9","10","10","9","2","7","1") = "9"
    & skf18("9","10","10","9","2","8","1") = "9"
    & skf18("9","10","10","9","2","9","1") = "9"
    & skf18("9","10","10","9","2","10","1") = "9"
    & skf18("9","10","10","9","3","1","1") = "9"
    & skf18("9","10","10","9","3","2","1") = "9"
    & skf18("9","10","10","9","3","3","1") = "9"
    & skf18("9","10","10","9","3","4","1") = "9"
    & skf18("9","10","10","9","3","5","1") = "9"
    & skf18("9","10","10","9","3","6","1") = "9"
    & skf18("9","10","10","9","3","7","1") = "9"
    & skf18("9","10","10","9","3","8","1") = "9"
    & skf18("9","10","10","9","3","9","1") = "9"
    & skf18("9","10","10","9","3","10","1") = "9"
    & skf18("9","10","10","9","4","1","1") = "9"
    & skf18("9","10","10","9","4","2","1") = "9"
    & skf18("9","10","10","9","4","3","1") = "9"
    & skf18("9","10","10","9","4","4","1") = "9"
    & skf18("9","10","10","9","4","5","1") = "9"
    & skf18("9","10","10","9","4","6","1") = "9"
    & skf18("9","10","10","9","4","7","1") = "9"
    & skf18("9","10","10","9","4","8","1") = "9"
    & skf18("9","10","10","9","4","9","1") = "9"
    & skf18("9","10","10","9","4","10","1") = "9"
    & skf18("9","10","10","9","5","1","1") = "9"
    & skf18("9","10","10","9","5","2","1") = "9"
    & skf18("9","10","10","9","5","3","1") = "9"
    & skf18("9","10","10","9","5","4","1") = "9"
    & skf18("9","10","10","9","5","5","1") = "9"
    & skf18("9","10","10","9","5","6","1") = "9"
    & skf18("9","10","10","9","5","7","1") = "9"
    & skf18("9","10","10","9","5","8","1") = "9"
    & skf18("9","10","10","9","5","9","1") = "9"
    & skf18("9","10","10","9","5","10","1") = "9"
    & skf18("9","10","10","9","6","1","1") = "9"
    & skf18("9","10","10","9","6","2","1") = "9"
    & skf18("9","10","10","9","6","3","1") = "9"
    & skf18("9","10","10","9","6","4","1") = "9"
    & skf18("9","10","10","9","6","5","1") = "9"
    & skf18("9","10","10","9","6","6","1") = "9"
    & skf18("9","10","10","9","6","7","1") = "9"
    & skf18("9","10","10","9","6","8","1") = "9"
    & skf18("9","10","10","9","6","9","1") = "9"
    & skf18("9","10","10","9","6","10","1") = "9"
    & skf18("9","10","10","9","7","1","1") = "9"
    & skf18("9","10","10","9","7","2","1") = "9"
    & skf18("9","10","10","9","7","3","1") = "9"
    & skf18("9","10","10","9","7","4","1") = "9"
    & skf18("9","10","10","9","7","5","1") = "9"
    & skf18("9","10","10","9","7","6","1") = "9"
    & skf18("9","10","10","9","7","7","1") = "9"
    & skf18("9","10","10","9","7","8","1") = "9"
    & skf18("9","10","10","9","7","9","1") = "9"
    & skf18("9","10","10","9","7","10","1") = "9"
    & skf18("9","10","10","9","8","1","1") = "9"
    & skf18("9","10","10","9","8","2","1") = "9"
    & skf18("9","10","10","9","8","3","1") = "9"
    & skf18("9","10","10","9","8","4","1") = "9"
    & skf18("9","10","10","9","8","5","1") = "9"
    & skf18("9","10","10","9","8","6","1") = "9"
    & skf18("9","10","10","9","8","7","1") = "9"
    & skf18("9","10","10","9","8","8","1") = "9"
    & skf18("9","10","10","9","8","9","1") = "9"
    & skf18("9","10","10","9","8","10","1") = "9"
    & skf18("9","10","10","9","9","1","1") = "9"
    & skf18("9","10","10","9","9","2","1") = "9"
    & skf18("9","10","10","9","9","3","1") = "9"
    & skf18("9","10","10","9","9","4","1") = "9"
    & skf18("9","10","10","9","9","5","1") = "9"
    & skf18("9","10","10","9","9","6","1") = "9"
    & skf18("9","10","10","9","9","7","1") = "9"
    & skf18("9","10","10","9","9","8","1") = "9"
    & skf18("9","10","10","9","9","9","1") = "9"
    & skf18("9","10","10","9","9","10","1") = "9"
    & skf18("9","10","10","9","10","1","1") = "9"
    & skf18("9","10","10","9","10","2","1") = "9"
    & skf18("9","10","10","9","10","3","1") = "9"
    & skf18("9","10","10","9","10","4","1") = "9"
    & skf18("9","10","10","9","10","5","1") = "9"
    & skf18("9","10","10","9","10","6","1") = "9"
    & skf18("9","10","10","9","10","7","1") = "9"
    & skf18("9","10","10","9","10","8","1") = "9"
    & skf18("9","10","10","9","10","9","1") = "9"
    & skf18("9","10","10","9","10","10","1") = "9"
    & skf18("9","10","10","10","1","1","1") = "9"
    & skf18("9","10","10","10","1","2","1") = "9"
    & skf18("9","10","10","10","1","3","1") = "9"
    & skf18("9","10","10","10","1","4","1") = "9"
    & skf18("9","10","10","10","1","5","1") = "9"
    & skf18("9","10","10","10","1","6","1") = "9"
    & skf18("9","10","10","10","1","7","1") = "9"
    & skf18("9","10","10","10","1","8","1") = "9"
    & skf18("9","10","10","10","1","9","1") = "9"
    & skf18("9","10","10","10","1","10","1") = "9"
    & skf18("9","10","10","10","2","1","1") = "9"
    & skf18("9","10","10","10","2","2","1") = "9"
    & skf18("9","10","10","10","2","3","1") = "9"
    & skf18("9","10","10","10","2","4","1") = "9"
    & skf18("9","10","10","10","2","5","1") = "9"
    & skf18("9","10","10","10","2","6","1") = "9"
    & skf18("9","10","10","10","2","7","1") = "9"
    & skf18("9","10","10","10","2","8","1") = "9"
    & skf18("9","10","10","10","2","9","1") = "9"
    & skf18("9","10","10","10","2","10","1") = "9"
    & skf18("9","10","10","10","3","1","1") = "9"
    & skf18("9","10","10","10","3","2","1") = "9"
    & skf18("9","10","10","10","3","3","1") = "9"
    & skf18("9","10","10","10","3","4","1") = "9"
    & skf18("9","10","10","10","3","5","1") = "9"
    & skf18("9","10","10","10","3","6","1") = "9"
    & skf18("9","10","10","10","3","7","1") = "9"
    & skf18("9","10","10","10","3","8","1") = "9"
    & skf18("9","10","10","10","3","9","1") = "9"
    & skf18("9","10","10","10","3","10","1") = "9"
    & skf18("9","10","10","10","4","1","1") = "9"
    & skf18("9","10","10","10","4","2","1") = "9"
    & skf18("9","10","10","10","4","3","1") = "9"
    & skf18("9","10","10","10","4","4","1") = "9"
    & skf18("9","10","10","10","4","5","1") = "9"
    & skf18("9","10","10","10","4","6","1") = "9"
    & skf18("9","10","10","10","4","7","1") = "9"
    & skf18("9","10","10","10","4","8","1") = "9"
    & skf18("9","10","10","10","4","9","1") = "9"
    & skf18("9","10","10","10","4","10","1") = "9"
    & skf18("9","10","10","10","5","1","1") = "9"
    & skf18("9","10","10","10","5","2","1") = "9"
    & skf18("9","10","10","10","5","3","1") = "9"
    & skf18("9","10","10","10","5","4","1") = "9"
    & skf18("9","10","10","10","5","5","1") = "9"
    & skf18("9","10","10","10","5","6","1") = "9"
    & skf18("9","10","10","10","5","7","1") = "9"
    & skf18("9","10","10","10","5","8","1") = "9"
    & skf18("9","10","10","10","5","9","1") = "9"
    & skf18("9","10","10","10","5","10","1") = "9"
    & skf18("9","10","10","10","6","1","1") = "9"
    & skf18("9","10","10","10","6","2","1") = "9"
    & skf18("9","10","10","10","6","3","1") = "9"
    & skf18("9","10","10","10","6","4","1") = "9"
    & skf18("9","10","10","10","6","5","1") = "9"
    & skf18("9","10","10","10","6","6","1") = "9"
    & skf18("9","10","10","10","6","7","1") = "9"
    & skf18("9","10","10","10","6","8","1") = "9"
    & skf18("9","10","10","10","6","9","1") = "9"
    & skf18("9","10","10","10","6","10","1") = "9"
    & skf18("9","10","10","10","7","1","1") = "9"
    & skf18("9","10","10","10","7","2","1") = "9"
    & skf18("9","10","10","10","7","3","1") = "9"
    & skf18("9","10","10","10","7","4","1") = "9"
    & skf18("9","10","10","10","7","5","1") = "9"
    & skf18("9","10","10","10","7","6","1") = "9"
    & skf18("9","10","10","10","7","7","1") = "9"
    & skf18("9","10","10","10","7","8","1") = "9"
    & skf18("9","10","10","10","7","9","1") = "9"
    & skf18("9","10","10","10","7","10","1") = "9"
    & skf18("9","10","10","10","8","1","1") = "9"
    & skf18("9","10","10","10","8","2","1") = "9"
    & skf18("9","10","10","10","8","3","1") = "9"
    & skf18("9","10","10","10","8","4","1") = "9"
    & skf18("9","10","10","10","8","5","1") = "9"
    & skf18("9","10","10","10","8","6","1") = "9"
    & skf18("9","10","10","10","8","7","1") = "9"
    & skf18("9","10","10","10","8","8","1") = "9"
    & skf18("9","10","10","10","8","9","1") = "9"
    & skf18("9","10","10","10","8","10","1") = "9"
    & skf18("9","10","10","10","9","1","1") = "9"
    & skf18("9","10","10","10","9","2","1") = "9"
    & skf18("9","10","10","10","9","3","1") = "9"
    & skf18("9","10","10","10","9","4","1") = "9"
    & skf18("9","10","10","10","9","5","1") = "9"
    & skf18("9","10","10","10","9","6","1") = "9"
    & skf18("9","10","10","10","9","7","1") = "9"
    & skf18("9","10","10","10","9","8","1") = "9"
    & skf18("9","10","10","10","9","9","1") = "9"
    & skf18("9","10","10","10","9","10","1") = "9"
    & skf18("9","10","10","10","10","1","1") = "9"
    & skf18("9","10","10","10","10","2","1") = "9"
    & skf18("9","10","10","10","10","3","1") = "9"
    & skf18("9","10","10","10","10","4","1") = "9"
    & skf18("9","10","10","10","10","5","1") = "9"
    & skf18("9","10","10","10","10","6","1") = "9"
    & skf18("9","10","10","10","10","7","1") = "9"
    & skf18("9","10","10","10","10","8","1") = "9"
    & skf18("9","10","10","10","10","9","1") = "9"
    & skf18("9","10","10","10","10","10","1") = "9"
    & skf18("10","1","1","1","1","1","1") = "9"
    & skf18("10","1","1","1","1","2","1") = "9"
    & skf18("10","1","1","1","1","3","1") = "9"
    & skf18("10","1","1","1","1","4","1") = "9"
    & skf18("10","1","1","1","1","5","1") = "9"
    & skf18("10","1","1","1","1","6","1") = "9"
    & skf18("10","1","1","1","1","7","1") = "9"
    & skf18("10","1","1","1","1","8","1") = "9"
    & skf18("10","1","1","1","1","9","1") = "9"
    & skf18("10","1","1","1","1","10","1") = "9"
    & skf18("10","1","1","1","2","1","1") = "9"
    & skf18("10","1","1","1","2","2","1") = "9"
    & skf18("10","1","1","1","2","3","1") = "9"
    & skf18("10","1","1","1","2","4","1") = "9"
    & skf18("10","1","1","1","2","5","1") = "9"
    & skf18("10","1","1","1","2","6","1") = "9"
    & skf18("10","1","1","1","2","7","1") = "9"
    & skf18("10","1","1","1","2","8","1") = "9"
    & skf18("10","1","1","1","2","9","1") = "9"
    & skf18("10","1","1","1","2","10","1") = "9"
    & skf18("10","1","1","1","3","1","1") = "9"
    & skf18("10","1","1","1","3","2","1") = "9"
    & skf18("10","1","1","1","3","3","1") = "9"
    & skf18("10","1","1","1","3","4","1") = "9"
    & skf18("10","1","1","1","3","5","1") = "9"
    & skf18("10","1","1","1","3","6","1") = "9"
    & skf18("10","1","1","1","3","7","1") = "9"
    & skf18("10","1","1","1","3","8","1") = "9"
    & skf18("10","1","1","1","3","9","1") = "9"
    & skf18("10","1","1","1","3","10","1") = "9"
    & skf18("10","1","1","1","4","1","1") = "9"
    & skf18("10","1","1","1","4","2","1") = "9"
    & skf18("10","1","1","1","4","3","1") = "9"
    & skf18("10","1","1","1","4","4","1") = "9"
    & skf18("10","1","1","1","4","5","1") = "9"
    & skf18("10","1","1","1","4","6","1") = "9"
    & skf18("10","1","1","1","4","7","1") = "9"
    & skf18("10","1","1","1","4","8","1") = "9"
    & skf18("10","1","1","1","4","9","1") = "9"
    & skf18("10","1","1","1","4","10","1") = "9"
    & skf18("10","1","1","1","5","1","1") = "9"
    & skf18("10","1","1","1","5","2","1") = "9"
    & skf18("10","1","1","1","5","3","1") = "9"
    & skf18("10","1","1","1","5","4","1") = "9"
    & skf18("10","1","1","1","5","5","1") = "9"
    & skf18("10","1","1","1","5","6","1") = "9"
    & skf18("10","1","1","1","5","7","1") = "9"
    & skf18("10","1","1","1","5","8","1") = "9"
    & skf18("10","1","1","1","5","9","1") = "9"
    & skf18("10","1","1","1","5","10","1") = "9"
    & skf18("10","1","1","1","6","1","1") = "9"
    & skf18("10","1","1","1","6","2","1") = "9"
    & skf18("10","1","1","1","6","3","1") = "9"
    & skf18("10","1","1","1","6","4","1") = "9"
    & skf18("10","1","1","1","6","5","1") = "9"
    & skf18("10","1","1","1","6","6","1") = "9"
    & skf18("10","1","1","1","6","7","1") = "9"
    & skf18("10","1","1","1","6","8","1") = "9"
    & skf18("10","1","1","1","6","9","1") = "9"
    & skf18("10","1","1","1","6","10","1") = "9"
    & skf18("10","1","1","1","7","1","1") = "9"
    & skf18("10","1","1","1","7","2","1") = "9"
    & skf18("10","1","1","1","7","3","1") = "9"
    & skf18("10","1","1","1","7","4","1") = "9"
    & skf18("10","1","1","1","7","5","1") = "9"
    & skf18("10","1","1","1","7","6","1") = "9"
    & skf18("10","1","1","1","7","7","1") = "9"
    & skf18("10","1","1","1","7","8","1") = "9"
    & skf18("10","1","1","1","7","9","1") = "9"
    & skf18("10","1","1","1","7","10","1") = "9"
    & skf18("10","1","1","1","8","1","1") = "9"
    & skf18("10","1","1","1","8","2","1") = "9"
    & skf18("10","1","1","1","8","3","1") = "9"
    & skf18("10","1","1","1","8","4","1") = "9"
    & skf18("10","1","1","1","8","5","1") = "9"
    & skf18("10","1","1","1","8","6","1") = "9"
    & skf18("10","1","1","1","8","7","1") = "9"
    & skf18("10","1","1","1","8","8","1") = "9"
    & skf18("10","1","1","1","8","9","1") = "9"
    & skf18("10","1","1","1","8","10","1") = "9"
    & skf18("10","1","1","1","9","1","1") = "9"
    & skf18("10","1","1","1","9","2","1") = "9"
    & skf18("10","1","1","1","9","3","1") = "9"
    & skf18("10","1","1","1","9","4","1") = "9"
    & skf18("10","1","1","1","9","5","1") = "9"
    & skf18("10","1","1","1","9","6","1") = "9"
    & skf18("10","1","1","1","9","7","1") = "9"
    & skf18("10","1","1","1","9","8","1") = "9"
    & skf18("10","1","1","1","9","9","1") = "9"
    & skf18("10","1","1","1","9","10","1") = "9"
    & skf18("10","1","1","1","10","1","1") = "9"
    & skf18("10","1","1","1","10","2","1") = "9"
    & skf18("10","1","1","1","10","3","1") = "9"
    & skf18("10","1","1","1","10","4","1") = "9"
    & skf18("10","1","1","1","10","5","1") = "9"
    & skf18("10","1","1","1","10","6","1") = "9"
    & skf18("10","1","1","1","10","7","1") = "9"
    & skf18("10","1","1","1","10","8","1") = "9"
    & skf18("10","1","1","1","10","9","1") = "9"
    & skf18("10","1","1","1","10","10","1") = "9"
    & skf18("10","1","1","2","1","1","1") = "9"
    & skf18("10","1","1","2","1","2","1") = "9"
    & skf18("10","1","1","2","1","3","1") = "9"
    & skf18("10","1","1","2","1","4","1") = "9"
    & skf18("10","1","1","2","1","5","1") = "9"
    & skf18("10","1","1","2","1","6","1") = "9"
    & skf18("10","1","1","2","1","7","1") = "9"
    & skf18("10","1","1","2","1","8","1") = "9"
    & skf18("10","1","1","2","1","9","1") = "9"
    & skf18("10","1","1","2","1","10","1") = "9"
    & skf18("10","1","1","2","2","1","1") = "9"
    & skf18("10","1","1","2","2","2","1") = "9"
    & skf18("10","1","1","2","2","3","1") = "9"
    & skf18("10","1","1","2","2","4","1") = "9"
    & skf18("10","1","1","2","2","5","1") = "9"
    & skf18("10","1","1","2","2","6","1") = "9"
    & skf18("10","1","1","2","2","7","1") = "9"
    & skf18("10","1","1","2","2","8","1") = "9"
    & skf18("10","1","1","2","2","9","1") = "9"
    & skf18("10","1","1","2","2","10","1") = "9"
    & skf18("10","1","1","2","3","1","1") = "9"
    & skf18("10","1","1","2","3","2","1") = "9"
    & skf18("10","1","1","2","3","3","1") = "9"
    & skf18("10","1","1","2","3","4","1") = "9"
    & skf18("10","1","1","2","3","5","1") = "9"
    & skf18("10","1","1","2","3","6","1") = "9"
    & skf18("10","1","1","2","3","7","1") = "9"
    & skf18("10","1","1","2","3","8","1") = "9"
    & skf18("10","1","1","2","3","9","1") = "9"
    & skf18("10","1","1","2","3","10","1") = "9"
    & skf18("10","1","1","2","4","1","1") = "9"
    & skf18("10","1","1","2","4","2","1") = "9"
    & skf18("10","1","1","2","4","3","1") = "9"
    & skf18("10","1","1","2","4","4","1") = "9"
    & skf18("10","1","1","2","4","5","1") = "9"
    & skf18("10","1","1","2","4","6","1") = "9"
    & skf18("10","1","1","2","4","7","1") = "9"
    & skf18("10","1","1","2","4","8","1") = "9"
    & skf18("10","1","1","2","4","9","1") = "9"
    & skf18("10","1","1","2","4","10","1") = "9"
    & skf18("10","1","1","2","5","1","1") = "9"
    & skf18("10","1","1","2","5","2","1") = "9"
    & skf18("10","1","1","2","5","3","1") = "9"
    & skf18("10","1","1","2","5","4","1") = "9"
    & skf18("10","1","1","2","5","5","1") = "9"
    & skf18("10","1","1","2","5","6","1") = "9"
    & skf18("10","1","1","2","5","7","1") = "9"
    & skf18("10","1","1","2","5","8","1") = "9"
    & skf18("10","1","1","2","5","9","1") = "9"
    & skf18("10","1","1","2","5","10","1") = "9"
    & skf18("10","1","1","2","6","1","1") = "9"
    & skf18("10","1","1","2","6","2","1") = "9"
    & skf18("10","1","1","2","6","3","1") = "9"
    & skf18("10","1","1","2","6","4","1") = "9"
    & skf18("10","1","1","2","6","5","1") = "9"
    & skf18("10","1","1","2","6","6","1") = "9"
    & skf18("10","1","1","2","6","7","1") = "9"
    & skf18("10","1","1","2","6","8","1") = "9"
    & skf18("10","1","1","2","6","9","1") = "9"
    & skf18("10","1","1","2","6","10","1") = "9"
    & skf18("10","1","1","2","7","1","1") = "9"
    & skf18("10","1","1","2","7","2","1") = "9"
    & skf18("10","1","1","2","7","3","1") = "9"
    & skf18("10","1","1","2","7","4","1") = "9"
    & skf18("10","1","1","2","7","5","1") = "9"
    & skf18("10","1","1","2","7","6","1") = "9"
    & skf18("10","1","1","2","7","7","1") = "9"
    & skf18("10","1","1","2","7","8","1") = "9"
    & skf18("10","1","1","2","7","9","1") = "9"
    & skf18("10","1","1","2","7","10","1") = "9"
    & skf18("10","1","1","2","8","1","1") = "9"
    & skf18("10","1","1","2","8","2","1") = "9"
    & skf18("10","1","1","2","8","3","1") = "9"
    & skf18("10","1","1","2","8","4","1") = "9"
    & skf18("10","1","1","2","8","5","1") = "9"
    & skf18("10","1","1","2","8","6","1") = "9"
    & skf18("10","1","1","2","8","7","1") = "9"
    & skf18("10","1","1","2","8","8","1") = "9"
    & skf18("10","1","1","2","8","9","1") = "9"
    & skf18("10","1","1","2","8","10","1") = "9"
    & skf18("10","1","1","2","9","1","1") = "9"
    & skf18("10","1","1","2","9","2","1") = "9"
    & skf18("10","1","1","2","9","3","1") = "9"
    & skf18("10","1","1","2","9","4","1") = "9"
    & skf18("10","1","1","2","9","5","1") = "9"
    & skf18("10","1","1","2","9","6","1") = "9"
    & skf18("10","1","1","2","9","7","1") = "9"
    & skf18("10","1","1","2","9","8","1") = "9"
    & skf18("10","1","1","2","9","9","1") = "9"
    & skf18("10","1","1","2","9","10","1") = "9"
    & skf18("10","1","1","2","10","1","1") = "9"
    & skf18("10","1","1","2","10","2","1") = "9"
    & skf18("10","1","1","2","10","3","1") = "9"
    & skf18("10","1","1","2","10","4","1") = "9"
    & skf18("10","1","1","2","10","5","1") = "9"
    & skf18("10","1","1","2","10","6","1") = "9"
    & skf18("10","1","1","2","10","7","1") = "9"
    & skf18("10","1","1","2","10","8","1") = "9"
    & skf18("10","1","1","2","10","9","1") = "9"
    & skf18("10","1","1","2","10","10","1") = "9"
    & skf18("10","1","1","3","1","1","1") = "9"
    & skf18("10","1","1","3","1","2","1") = "9"
    & skf18("10","1","1","3","1","3","1") = "9"
    & skf18("10","1","1","3","1","4","1") = "9"
    & skf18("10","1","1","3","1","5","1") = "9"
    & skf18("10","1","1","3","1","6","1") = "9"
    & skf18("10","1","1","3","1","7","1") = "9"
    & skf18("10","1","1","3","1","8","1") = "9"
    & skf18("10","1","1","3","1","9","1") = "9"
    & skf18("10","1","1","3","1","10","1") = "9"
    & skf18("10","1","1","3","2","1","1") = "9"
    & skf18("10","1","1","3","2","2","1") = "9"
    & skf18("10","1","1","3","2","3","1") = "9"
    & skf18("10","1","1","3","2","4","1") = "9"
    & skf18("10","1","1","3","2","5","1") = "9"
    & skf18("10","1","1","3","2","6","1") = "9"
    & skf18("10","1","1","3","2","7","1") = "9"
    & skf18("10","1","1","3","2","8","1") = "9"
    & skf18("10","1","1","3","2","9","1") = "9"
    & skf18("10","1","1","3","2","10","1") = "9"
    & skf18("10","1","1","3","3","1","1") = "9"
    & skf18("10","1","1","3","3","2","1") = "9"
    & skf18("10","1","1","3","3","3","1") = "9"
    & skf18("10","1","1","3","3","4","1") = "9"
    & skf18("10","1","1","3","3","5","1") = "9"
    & skf18("10","1","1","3","3","6","1") = "9"
    & skf18("10","1","1","3","3","7","1") = "9"
    & skf18("10","1","1","3","3","8","1") = "9"
    & skf18("10","1","1","3","3","9","1") = "9"
    & skf18("10","1","1","3","3","10","1") = "9"
    & skf18("10","1","1","3","4","1","1") = "9"
    & skf18("10","1","1","3","4","2","1") = "9"
    & skf18("10","1","1","3","4","3","1") = "9"
    & skf18("10","1","1","3","4","4","1") = "9"
    & skf18("10","1","1","3","4","5","1") = "9"
    & skf18("10","1","1","3","4","6","1") = "9"
    & skf18("10","1","1","3","4","7","1") = "9"
    & skf18("10","1","1","3","4","8","1") = "9"
    & skf18("10","1","1","3","4","9","1") = "9"
    & skf18("10","1","1","3","4","10","1") = "9"
    & skf18("10","1","1","3","5","1","1") = "9"
    & skf18("10","1","1","3","5","2","1") = "9"
    & skf18("10","1","1","3","5","3","1") = "9"
    & skf18("10","1","1","3","5","4","1") = "9"
    & skf18("10","1","1","3","5","5","1") = "9"
    & skf18("10","1","1","3","5","6","1") = "9"
    & skf18("10","1","1","3","5","7","1") = "9"
    & skf18("10","1","1","3","5","8","1") = "9"
    & skf18("10","1","1","3","5","9","1") = "9"
    & skf18("10","1","1","3","5","10","1") = "9"
    & skf18("10","1","1","3","6","1","1") = "9"
    & skf18("10","1","1","3","6","2","1") = "9"
    & skf18("10","1","1","3","6","3","1") = "9"
    & skf18("10","1","1","3","6","4","1") = "9"
    & skf18("10","1","1","3","6","5","1") = "9"
    & skf18("10","1","1","3","6","6","1") = "9"
    & skf18("10","1","1","3","6","7","1") = "9"
    & skf18("10","1","1","3","6","8","1") = "9"
    & skf18("10","1","1","3","6","9","1") = "9"
    & skf18("10","1","1","3","6","10","1") = "9"
    & skf18("10","1","1","3","7","1","1") = "9"
    & skf18("10","1","1","3","7","2","1") = "9"
    & skf18("10","1","1","3","7","3","1") = "9"
    & skf18("10","1","1","3","7","4","1") = "9"
    & skf18("10","1","1","3","7","5","1") = "9"
    & skf18("10","1","1","3","7","6","1") = "9"
    & skf18("10","1","1","3","7","7","1") = "9"
    & skf18("10","1","1","3","7","8","1") = "9"
    & skf18("10","1","1","3","7","9","1") = "9"
    & skf18("10","1","1","3","7","10","1") = "9"
    & skf18("10","1","1","3","8","1","1") = "9"
    & skf18("10","1","1","3","8","2","1") = "9"
    & skf18("10","1","1","3","8","3","1") = "9"
    & skf18("10","1","1","3","8","4","1") = "9"
    & skf18("10","1","1","3","8","5","1") = "9"
    & skf18("10","1","1","3","8","6","1") = "9"
    & skf18("10","1","1","3","8","7","1") = "9"
    & skf18("10","1","1","3","8","8","1") = "9"
    & skf18("10","1","1","3","8","9","1") = "9"
    & skf18("10","1","1","3","8","10","1") = "9"
    & skf18("10","1","1","3","9","1","1") = "9"
    & skf18("10","1","1","3","9","2","1") = "9"
    & skf18("10","1","1","3","9","3","1") = "9"
    & skf18("10","1","1","3","9","4","1") = "9"
    & skf18("10","1","1","3","9","5","1") = "9"
    & skf18("10","1","1","3","9","6","1") = "9"
    & skf18("10","1","1","3","9","7","1") = "9"
    & skf18("10","1","1","3","9","8","1") = "9"
    & skf18("10","1","1","3","9","9","1") = "9"
    & skf18("10","1","1","3","9","10","1") = "9"
    & skf18("10","1","1","3","10","1","1") = "9"
    & skf18("10","1","1","3","10","2","1") = "9"
    & skf18("10","1","1","3","10","3","1") = "9"
    & skf18("10","1","1","3","10","4","1") = "9"
    & skf18("10","1","1","3","10","5","1") = "9"
    & skf18("10","1","1","3","10","6","1") = "9"
    & skf18("10","1","1","3","10","7","1") = "9"
    & skf18("10","1","1","3","10","8","1") = "9"
    & skf18("10","1","1","3","10","9","1") = "9"
    & skf18("10","1","1","3","10","10","1") = "9"
    & skf18("10","1","1","4","1","1","1") = "9"
    & skf18("10","1","1","4","1","2","1") = "9"
    & skf18("10","1","1","4","1","3","1") = "9"
    & skf18("10","1","1","4","1","4","1") = "9"
    & skf18("10","1","1","4","1","5","1") = "9"
    & skf18("10","1","1","4","1","6","1") = "9"
    & skf18("10","1","1","4","1","7","1") = "9"
    & skf18("10","1","1","4","1","8","1") = "9"
    & skf18("10","1","1","4","1","9","1") = "9"
    & skf18("10","1","1","4","1","10","1") = "9"
    & skf18("10","1","1","4","2","1","1") = "9"
    & skf18("10","1","1","4","2","2","1") = "9"
    & skf18("10","1","1","4","2","3","1") = "9"
    & skf18("10","1","1","4","2","4","1") = "9"
    & skf18("10","1","1","4","2","5","1") = "9"
    & skf18("10","1","1","4","2","6","1") = "9"
    & skf18("10","1","1","4","2","7","1") = "9"
    & skf18("10","1","1","4","2","8","1") = "9"
    & skf18("10","1","1","4","2","9","1") = "9"
    & skf18("10","1","1","4","2","10","1") = "9"
    & skf18("10","1","1","4","3","1","1") = "9"
    & skf18("10","1","1","4","3","2","1") = "9"
    & skf18("10","1","1","4","3","3","1") = "9"
    & skf18("10","1","1","4","3","4","1") = "9"
    & skf18("10","1","1","4","3","5","1") = "9"
    & skf18("10","1","1","4","3","6","1") = "9"
    & skf18("10","1","1","4","3","7","1") = "9"
    & skf18("10","1","1","4","3","8","1") = "9"
    & skf18("10","1","1","4","3","9","1") = "9"
    & skf18("10","1","1","4","3","10","1") = "9"
    & skf18("10","1","1","4","4","1","1") = "9"
    & skf18("10","1","1","4","4","2","1") = "9"
    & skf18("10","1","1","4","4","3","1") = "9"
    & skf18("10","1","1","4","4","4","1") = "9"
    & skf18("10","1","1","4","4","5","1") = "9"
    & skf18("10","1","1","4","4","6","1") = "9"
    & skf18("10","1","1","4","4","7","1") = "9"
    & skf18("10","1","1","4","4","8","1") = "9"
    & skf18("10","1","1","4","4","9","1") = "9"
    & skf18("10","1","1","4","4","10","1") = "9"
    & skf18("10","1","1","4","5","1","1") = "9"
    & skf18("10","1","1","4","5","2","1") = "9"
    & skf18("10","1","1","4","5","3","1") = "9"
    & skf18("10","1","1","4","5","4","1") = "9"
    & skf18("10","1","1","4","5","5","1") = "9"
    & skf18("10","1","1","4","5","6","1") = "9"
    & skf18("10","1","1","4","5","7","1") = "9"
    & skf18("10","1","1","4","5","8","1") = "9"
    & skf18("10","1","1","4","5","9","1") = "9"
    & skf18("10","1","1","4","5","10","1") = "9"
    & skf18("10","1","1","4","6","1","1") = "9"
    & skf18("10","1","1","4","6","2","1") = "9"
    & skf18("10","1","1","4","6","3","1") = "9"
    & skf18("10","1","1","4","6","4","1") = "9"
    & skf18("10","1","1","4","6","5","1") = "9"
    & skf18("10","1","1","4","6","6","1") = "9"
    & skf18("10","1","1","4","6","7","1") = "9"
    & skf18("10","1","1","4","6","8","1") = "9"
    & skf18("10","1","1","4","6","9","1") = "9"
    & skf18("10","1","1","4","6","10","1") = "9"
    & skf18("10","1","1","4","7","1","1") = "9"
    & skf18("10","1","1","4","7","2","1") = "9"
    & skf18("10","1","1","4","7","3","1") = "9"
    & skf18("10","1","1","4","7","4","1") = "9"
    & skf18("10","1","1","4","7","5","1") = "9"
    & skf18("10","1","1","4","7","6","1") = "9"
    & skf18("10","1","1","4","7","7","1") = "9"
    & skf18("10","1","1","4","7","8","1") = "9"
    & skf18("10","1","1","4","7","9","1") = "9"
    & skf18("10","1","1","4","7","10","1") = "9"
    & skf18("10","1","1","4","8","1","1") = "9"
    & skf18("10","1","1","4","8","2","1") = "9"
    & skf18("10","1","1","4","8","3","1") = "9"
    & skf18("10","1","1","4","8","4","1") = "9"
    & skf18("10","1","1","4","8","5","1") = "9"
    & skf18("10","1","1","4","8","6","1") = "9"
    & skf18("10","1","1","4","8","7","1") = "9"
    & skf18("10","1","1","4","8","8","1") = "9"
    & skf18("10","1","1","4","8","9","1") = "9"
    & skf18("10","1","1","4","8","10","1") = "9"
    & skf18("10","1","1","4","9","1","1") = "9"
    & skf18("10","1","1","4","9","2","1") = "9"
    & skf18("10","1","1","4","9","3","1") = "9"
    & skf18("10","1","1","4","9","4","1") = "9"
    & skf18("10","1","1","4","9","5","1") = "9"
    & skf18("10","1","1","4","9","6","1") = "9"
    & skf18("10","1","1","4","9","7","1") = "9"
    & skf18("10","1","1","4","9","8","1") = "9"
    & skf18("10","1","1","4","9","9","1") = "9"
    & skf18("10","1","1","4","9","10","1") = "9"
    & skf18("10","1","1","4","10","1","1") = "9"
    & skf18("10","1","1","4","10","2","1") = "9"
    & skf18("10","1","1","4","10","3","1") = "9"
    & skf18("10","1","1","4","10","4","1") = "9"
    & skf18("10","1","1","4","10","5","1") = "9"
    & skf18("10","1","1","4","10","6","1") = "9"
    & skf18("10","1","1","4","10","7","1") = "9"
    & skf18("10","1","1","4","10","8","1") = "9"
    & skf18("10","1","1","4","10","9","1") = "9"
    & skf18("10","1","1","4","10","10","1") = "9"
    & skf18("10","1","1","5","1","1","1") = "9"
    & skf18("10","1","1","5","1","2","1") = "9"
    & skf18("10","1","1","5","1","3","1") = "9"
    & skf18("10","1","1","5","1","4","1") = "9"
    & skf18("10","1","1","5","1","5","1") = "9"
    & skf18("10","1","1","5","1","6","1") = "9"
    & skf18("10","1","1","5","1","7","1") = "9"
    & skf18("10","1","1","5","1","8","1") = "9"
    & skf18("10","1","1","5","1","9","1") = "9"
    & skf18("10","1","1","5","1","10","1") = "9"
    & skf18("10","1","1","5","2","1","1") = "9"
    & skf18("10","1","1","5","2","2","1") = "9"
    & skf18("10","1","1","5","2","3","1") = "9"
    & skf18("10","1","1","5","2","4","1") = "9"
    & skf18("10","1","1","5","2","5","1") = "9"
    & skf18("10","1","1","5","2","6","1") = "9"
    & skf18("10","1","1","5","2","7","1") = "9"
    & skf18("10","1","1","5","2","8","1") = "9"
    & skf18("10","1","1","5","2","9","1") = "9"
    & skf18("10","1","1","5","2","10","1") = "9"
    & skf18("10","1","1","5","3","1","1") = "9"
    & skf18("10","1","1","5","3","2","1") = "9"
    & skf18("10","1","1","5","3","3","1") = "9"
    & skf18("10","1","1","5","3","4","1") = "9"
    & skf18("10","1","1","5","3","5","1") = "9"
    & skf18("10","1","1","5","3","6","1") = "9"
    & skf18("10","1","1","5","3","7","1") = "9"
    & skf18("10","1","1","5","3","8","1") = "9"
    & skf18("10","1","1","5","3","9","1") = "9"
    & skf18("10","1","1","5","3","10","1") = "9"
    & skf18("10","1","1","5","4","1","1") = "9"
    & skf18("10","1","1","5","4","2","1") = "9"
    & skf18("10","1","1","5","4","3","1") = "9"
    & skf18("10","1","1","5","4","4","1") = "9"
    & skf18("10","1","1","5","4","5","1") = "9"
    & skf18("10","1","1","5","4","6","1") = "9"
    & skf18("10","1","1","5","4","7","1") = "9"
    & skf18("10","1","1","5","4","8","1") = "9"
    & skf18("10","1","1","5","4","9","1") = "9"
    & skf18("10","1","1","5","4","10","1") = "9"
    & skf18("10","1","1","5","5","1","1") = "9"
    & skf18("10","1","1","5","5","2","1") = "9"
    & skf18("10","1","1","5","5","3","1") = "9"
    & skf18("10","1","1","5","5","4","1") = "9"
    & skf18("10","1","1","5","5","5","1") = "9"
    & skf18("10","1","1","5","5","6","1") = "9"
    & skf18("10","1","1","5","5","7","1") = "9"
    & skf18("10","1","1","5","5","8","1") = "9"
    & skf18("10","1","1","5","5","9","1") = "9"
    & skf18("10","1","1","5","5","10","1") = "9"
    & skf18("10","1","1","5","6","1","1") = "9"
    & skf18("10","1","1","5","6","2","1") = "9"
    & skf18("10","1","1","5","6","3","1") = "9"
    & skf18("10","1","1","5","6","4","1") = "9"
    & skf18("10","1","1","5","6","5","1") = "9"
    & skf18("10","1","1","5","6","6","1") = "9"
    & skf18("10","1","1","5","6","7","1") = "9"
    & skf18("10","1","1","5","6","8","1") = "9"
    & skf18("10","1","1","5","6","9","1") = "9"
    & skf18("10","1","1","5","6","10","1") = "9"
    & skf18("10","1","1","5","7","1","1") = "9"
    & skf18("10","1","1","5","7","2","1") = "9"
    & skf18("10","1","1","5","7","3","1") = "9"
    & skf18("10","1","1","5","7","4","1") = "9"
    & skf18("10","1","1","5","7","5","1") = "9"
    & skf18("10","1","1","5","7","6","1") = "9"
    & skf18("10","1","1","5","7","7","1") = "9"
    & skf18("10","1","1","5","7","8","1") = "9"
    & skf18("10","1","1","5","7","9","1") = "9"
    & skf18("10","1","1","5","7","10","1") = "9"
    & skf18("10","1","1","5","8","1","1") = "9"
    & skf18("10","1","1","5","8","2","1") = "9"
    & skf18("10","1","1","5","8","3","1") = "9"
    & skf18("10","1","1","5","8","4","1") = "9"
    & skf18("10","1","1","5","8","5","1") = "9"
    & skf18("10","1","1","5","8","6","1") = "9"
    & skf18("10","1","1","5","8","7","1") = "9"
    & skf18("10","1","1","5","8","8","1") = "9"
    & skf18("10","1","1","5","8","9","1") = "9"
    & skf18("10","1","1","5","8","10","1") = "9"
    & skf18("10","1","1","5","9","1","1") = "9"
    & skf18("10","1","1","5","9","2","1") = "9"
    & skf18("10","1","1","5","9","3","1") = "9"
    & skf18("10","1","1","5","9","4","1") = "9"
    & skf18("10","1","1","5","9","5","1") = "9"
    & skf18("10","1","1","5","9","6","1") = "9"
    & skf18("10","1","1","5","9","7","1") = "9"
    & skf18("10","1","1","5","9","8","1") = "9"
    & skf18("10","1","1","5","9","9","1") = "9"
    & skf18("10","1","1","5","9","10","1") = "9"
    & skf18("10","1","1","5","10","1","1") = "9"
    & skf18("10","1","1","5","10","2","1") = "9"
    & skf18("10","1","1","5","10","3","1") = "9"
    & skf18("10","1","1","5","10","4","1") = "9"
    & skf18("10","1","1","5","10","5","1") = "9"
    & skf18("10","1","1","5","10","6","1") = "9"
    & skf18("10","1","1","5","10","7","1") = "9"
    & skf18("10","1","1","5","10","8","1") = "9"
    & skf18("10","1","1","5","10","9","1") = "9"
    & skf18("10","1","1","5","10","10","1") = "9"
    & skf18("10","1","1","6","1","1","1") = "9"
    & skf18("10","1","1","6","1","2","1") = "9"
    & skf18("10","1","1","6","1","3","1") = "9"
    & skf18("10","1","1","6","1","4","1") = "9"
    & skf18("10","1","1","6","1","5","1") = "9"
    & skf18("10","1","1","6","1","6","1") = "9"
    & skf18("10","1","1","6","1","7","1") = "9"
    & skf18("10","1","1","6","1","8","1") = "9"
    & skf18("10","1","1","6","1","9","1") = "9"
    & skf18("10","1","1","6","1","10","1") = "9"
    & skf18("10","1","1","6","2","1","1") = "9"
    & skf18("10","1","1","6","2","2","1") = "9"
    & skf18("10","1","1","6","2","3","1") = "9"
    & skf18("10","1","1","6","2","4","1") = "9"
    & skf18("10","1","1","6","2","5","1") = "9"
    & skf18("10","1","1","6","2","6","1") = "9"
    & skf18("10","1","1","6","2","7","1") = "9"
    & skf18("10","1","1","6","2","8","1") = "9"
    & skf18("10","1","1","6","2","9","1") = "9"
    & skf18("10","1","1","6","2","10","1") = "9"
    & skf18("10","1","1","6","3","1","1") = "9"
    & skf18("10","1","1","6","3","2","1") = "9"
    & skf18("10","1","1","6","3","3","1") = "9"
    & skf18("10","1","1","6","3","4","1") = "9"
    & skf18("10","1","1","6","3","5","1") = "9"
    & skf18("10","1","1","6","3","6","1") = "9"
    & skf18("10","1","1","6","3","7","1") = "9"
    & skf18("10","1","1","6","3","8","1") = "9"
    & skf18("10","1","1","6","3","9","1") = "9"
    & skf18("10","1","1","6","3","10","1") = "9"
    & skf18("10","1","1","6","4","1","1") = "9"
    & skf18("10","1","1","6","4","2","1") = "9"
    & skf18("10","1","1","6","4","3","1") = "9"
    & skf18("10","1","1","6","4","4","1") = "9"
    & skf18("10","1","1","6","4","5","1") = "9"
    & skf18("10","1","1","6","4","6","1") = "9"
    & skf18("10","1","1","6","4","7","1") = "9"
    & skf18("10","1","1","6","4","8","1") = "9"
    & skf18("10","1","1","6","4","9","1") = "9"
    & skf18("10","1","1","6","4","10","1") = "9"
    & skf18("10","1","1","6","5","1","1") = "9"
    & skf18("10","1","1","6","5","2","1") = "9"
    & skf18("10","1","1","6","5","3","1") = "9"
    & skf18("10","1","1","6","5","4","1") = "9"
    & skf18("10","1","1","6","5","5","1") = "9"
    & skf18("10","1","1","6","5","6","1") = "9"
    & skf18("10","1","1","6","5","7","1") = "9"
    & skf18("10","1","1","6","5","8","1") = "9"
    & skf18("10","1","1","6","5","9","1") = "9"
    & skf18("10","1","1","6","5","10","1") = "9"
    & skf18("10","1","1","6","6","1","1") = "9"
    & skf18("10","1","1","6","6","2","1") = "9"
    & skf18("10","1","1","6","6","3","1") = "9"
    & skf18("10","1","1","6","6","4","1") = "9"
    & skf18("10","1","1","6","6","5","1") = "9"
    & skf18("10","1","1","6","6","6","1") = "9"
    & skf18("10","1","1","6","6","7","1") = "9"
    & skf18("10","1","1","6","6","8","1") = "9"
    & skf18("10","1","1","6","6","9","1") = "9"
    & skf18("10","1","1","6","6","10","1") = "9"
    & skf18("10","1","1","6","7","1","1") = "9"
    & skf18("10","1","1","6","7","2","1") = "9"
    & skf18("10","1","1","6","7","3","1") = "9"
    & skf18("10","1","1","6","7","4","1") = "9"
    & skf18("10","1","1","6","7","5","1") = "9"
    & skf18("10","1","1","6","7","6","1") = "9"
    & skf18("10","1","1","6","7","7","1") = "9"
    & skf18("10","1","1","6","7","8","1") = "9"
    & skf18("10","1","1","6","7","9","1") = "9"
    & skf18("10","1","1","6","7","10","1") = "9"
    & skf18("10","1","1","6","8","1","1") = "9"
    & skf18("10","1","1","6","8","2","1") = "9"
    & skf18("10","1","1","6","8","3","1") = "9"
    & skf18("10","1","1","6","8","4","1") = "9"
    & skf18("10","1","1","6","8","5","1") = "9"
    & skf18("10","1","1","6","8","6","1") = "9"
    & skf18("10","1","1","6","8","7","1") = "9"
    & skf18("10","1","1","6","8","8","1") = "9"
    & skf18("10","1","1","6","8","9","1") = "9"
    & skf18("10","1","1","6","8","10","1") = "9"
    & skf18("10","1","1","6","9","1","1") = "9"
    & skf18("10","1","1","6","9","2","1") = "9"
    & skf18("10","1","1","6","9","3","1") = "9"
    & skf18("10","1","1","6","9","4","1") = "9"
    & skf18("10","1","1","6","9","5","1") = "9"
    & skf18("10","1","1","6","9","6","1") = "9"
    & skf18("10","1","1","6","9","7","1") = "9"
    & skf18("10","1","1","6","9","8","1") = "9"
    & skf18("10","1","1","6","9","9","1") = "9"
    & skf18("10","1","1","6","9","10","1") = "9"
    & skf18("10","1","1","6","10","1","1") = "9"
    & skf18("10","1","1","6","10","2","1") = "9"
    & skf18("10","1","1","6","10","3","1") = "9"
    & skf18("10","1","1","6","10","4","1") = "9"
    & skf18("10","1","1","6","10","5","1") = "9"
    & skf18("10","1","1","6","10","6","1") = "9"
    & skf18("10","1","1","6","10","7","1") = "9"
    & skf18("10","1","1","6","10","8","1") = "9"
    & skf18("10","1","1","6","10","9","1") = "9"
    & skf18("10","1","1","6","10","10","1") = "9"
    & skf18("10","1","1","7","1","1","1") = "9"
    & skf18("10","1","1","7","1","2","1") = "9"
    & skf18("10","1","1","7","1","3","1") = "9"
    & skf18("10","1","1","7","1","4","1") = "9"
    & skf18("10","1","1","7","1","5","1") = "9"
    & skf18("10","1","1","7","1","6","1") = "9"
    & skf18("10","1","1","7","1","7","1") = "9"
    & skf18("10","1","1","7","1","8","1") = "9"
    & skf18("10","1","1","7","1","9","1") = "9"
    & skf18("10","1","1","7","1","10","1") = "9"
    & skf18("10","1","1","7","2","1","1") = "9"
    & skf18("10","1","1","7","2","2","1") = "9"
    & skf18("10","1","1","7","2","3","1") = "9"
    & skf18("10","1","1","7","2","4","1") = "9"
    & skf18("10","1","1","7","2","5","1") = "9"
    & skf18("10","1","1","7","2","6","1") = "9"
    & skf18("10","1","1","7","2","7","1") = "9"
    & skf18("10","1","1","7","2","8","1") = "9"
    & skf18("10","1","1","7","2","9","1") = "9"
    & skf18("10","1","1","7","2","10","1") = "9"
    & skf18("10","1","1","7","3","1","1") = "9"
    & skf18("10","1","1","7","3","2","1") = "9"
    & skf18("10","1","1","7","3","3","1") = "9"
    & skf18("10","1","1","7","3","4","1") = "9"
    & skf18("10","1","1","7","3","5","1") = "9"
    & skf18("10","1","1","7","3","6","1") = "9"
    & skf18("10","1","1","7","3","7","1") = "9"
    & skf18("10","1","1","7","3","8","1") = "9"
    & skf18("10","1","1","7","3","9","1") = "9"
    & skf18("10","1","1","7","3","10","1") = "9"
    & skf18("10","1","1","7","4","1","1") = "9"
    & skf18("10","1","1","7","4","2","1") = "9"
    & skf18("10","1","1","7","4","3","1") = "9"
    & skf18("10","1","1","7","4","4","1") = "9"
    & skf18("10","1","1","7","4","5","1") = "9"
    & skf18("10","1","1","7","4","6","1") = "9"
    & skf18("10","1","1","7","4","7","1") = "9"
    & skf18("10","1","1","7","4","8","1") = "9"
    & skf18("10","1","1","7","4","9","1") = "9"
    & skf18("10","1","1","7","4","10","1") = "9"
    & skf18("10","1","1","7","5","1","1") = "9"
    & skf18("10","1","1","7","5","2","1") = "9"
    & skf18("10","1","1","7","5","3","1") = "9"
    & skf18("10","1","1","7","5","4","1") = "9"
    & skf18("10","1","1","7","5","5","1") = "9"
    & skf18("10","1","1","7","5","6","1") = "9"
    & skf18("10","1","1","7","5","7","1") = "9"
    & skf18("10","1","1","7","5","8","1") = "9"
    & skf18("10","1","1","7","5","9","1") = "9"
    & skf18("10","1","1","7","5","10","1") = "9"
    & skf18("10","1","1","7","6","1","1") = "9"
    & skf18("10","1","1","7","6","2","1") = "9"
    & skf18("10","1","1","7","6","3","1") = "9"
    & skf18("10","1","1","7","6","4","1") = "9"
    & skf18("10","1","1","7","6","5","1") = "9"
    & skf18("10","1","1","7","6","6","1") = "9"
    & skf18("10","1","1","7","6","7","1") = "9"
    & skf18("10","1","1","7","6","8","1") = "9"
    & skf18("10","1","1","7","6","9","1") = "9"
    & skf18("10","1","1","7","6","10","1") = "9"
    & skf18("10","1","1","7","7","1","1") = "9"
    & skf18("10","1","1","7","7","2","1") = "9"
    & skf18("10","1","1","7","7","3","1") = "9"
    & skf18("10","1","1","7","7","4","1") = "9"
    & skf18("10","1","1","7","7","5","1") = "9"
    & skf18("10","1","1","7","7","6","1") = "9"
    & skf18("10","1","1","7","7","7","1") = "9"
    & skf18("10","1","1","7","7","8","1") = "9"
    & skf18("10","1","1","7","7","9","1") = "9"
    & skf18("10","1","1","7","7","10","1") = "9"
    & skf18("10","1","1","7","8","1","1") = "9"
    & skf18("10","1","1","7","8","2","1") = "9"
    & skf18("10","1","1","7","8","3","1") = "9"
    & skf18("10","1","1","7","8","4","1") = "9"
    & skf18("10","1","1","7","8","5","1") = "9"
    & skf18("10","1","1","7","8","6","1") = "9"
    & skf18("10","1","1","7","8","7","1") = "9"
    & skf18("10","1","1","7","8","8","1") = "9"
    & skf18("10","1","1","7","8","9","1") = "9"
    & skf18("10","1","1","7","8","10","1") = "9"
    & skf18("10","1","1","7","9","1","1") = "9"
    & skf18("10","1","1","7","9","2","1") = "9"
    & skf18("10","1","1","7","9","3","1") = "9"
    & skf18("10","1","1","7","9","4","1") = "9"
    & skf18("10","1","1","7","9","5","1") = "9"
    & skf18("10","1","1","7","9","6","1") = "9"
    & skf18("10","1","1","7","9","7","1") = "9"
    & skf18("10","1","1","7","9","8","1") = "9"
    & skf18("10","1","1","7","9","9","1") = "9"
    & skf18("10","1","1","7","9","10","1") = "9"
    & skf18("10","1","1","7","10","1","1") = "9"
    & skf18("10","1","1","7","10","2","1") = "9"
    & skf18("10","1","1","7","10","3","1") = "9"
    & skf18("10","1","1","7","10","4","1") = "9"
    & skf18("10","1","1","7","10","5","1") = "9"
    & skf18("10","1","1","7","10","6","1") = "9"
    & skf18("10","1","1","7","10","7","1") = "9"
    & skf18("10","1","1","7","10","8","1") = "9"
    & skf18("10","1","1","7","10","9","1") = "9"
    & skf18("10","1","1","7","10","10","1") = "9"
    & skf18("10","1","1","8","1","1","1") = "9"
    & skf18("10","1","1","8","1","2","1") = "9"
    & skf18("10","1","1","8","1","3","1") = "9"
    & skf18("10","1","1","8","1","4","1") = "9"
    & skf18("10","1","1","8","1","5","1") = "9"
    & skf18("10","1","1","8","1","6","1") = "9"
    & skf18("10","1","1","8","1","7","1") = "9"
    & skf18("10","1","1","8","1","8","1") = "9"
    & skf18("10","1","1","8","1","9","1") = "9"
    & skf18("10","1","1","8","1","10","1") = "9"
    & skf18("10","1","1","8","2","1","1") = "9"
    & skf18("10","1","1","8","2","2","1") = "9"
    & skf18("10","1","1","8","2","3","1") = "9"
    & skf18("10","1","1","8","2","4","1") = "9"
    & skf18("10","1","1","8","2","5","1") = "9"
    & skf18("10","1","1","8","2","6","1") = "9"
    & skf18("10","1","1","8","2","7","1") = "9"
    & skf18("10","1","1","8","2","8","1") = "9"
    & skf18("10","1","1","8","2","9","1") = "9"
    & skf18("10","1","1","8","2","10","1") = "9"
    & skf18("10","1","1","8","3","1","1") = "9"
    & skf18("10","1","1","8","3","2","1") = "9"
    & skf18("10","1","1","8","3","3","1") = "9"
    & skf18("10","1","1","8","3","4","1") = "9"
    & skf18("10","1","1","8","3","5","1") = "9"
    & skf18("10","1","1","8","3","6","1") = "9"
    & skf18("10","1","1","8","3","7","1") = "9"
    & skf18("10","1","1","8","3","8","1") = "9"
    & skf18("10","1","1","8","3","9","1") = "9"
    & skf18("10","1","1","8","3","10","1") = "9"
    & skf18("10","1","1","8","4","1","1") = "9"
    & skf18("10","1","1","8","4","2","1") = "9"
    & skf18("10","1","1","8","4","3","1") = "9"
    & skf18("10","1","1","8","4","4","1") = "9"
    & skf18("10","1","1","8","4","5","1") = "9"
    & skf18("10","1","1","8","4","6","1") = "9"
    & skf18("10","1","1","8","4","7","1") = "9"
    & skf18("10","1","1","8","4","8","1") = "9"
    & skf18("10","1","1","8","4","9","1") = "9"
    & skf18("10","1","1","8","4","10","1") = "9"
    & skf18("10","1","1","8","5","1","1") = "9"
    & skf18("10","1","1","8","5","2","1") = "9"
    & skf18("10","1","1","8","5","3","1") = "9"
    & skf18("10","1","1","8","5","4","1") = "9"
    & skf18("10","1","1","8","5","5","1") = "9"
    & skf18("10","1","1","8","5","6","1") = "9"
    & skf18("10","1","1","8","5","7","1") = "9"
    & skf18("10","1","1","8","5","8","1") = "9"
    & skf18("10","1","1","8","5","9","1") = "9"
    & skf18("10","1","1","8","5","10","1") = "9"
    & skf18("10","1","1","8","6","1","1") = "9"
    & skf18("10","1","1","8","6","2","1") = "9"
    & skf18("10","1","1","8","6","3","1") = "9"
    & skf18("10","1","1","8","6","4","1") = "9"
    & skf18("10","1","1","8","6","5","1") = "9"
    & skf18("10","1","1","8","6","6","1") = "9"
    & skf18("10","1","1","8","6","7","1") = "9"
    & skf18("10","1","1","8","6","8","1") = "9"
    & skf18("10","1","1","8","6","9","1") = "9"
    & skf18("10","1","1","8","6","10","1") = "9"
    & skf18("10","1","1","8","7","1","1") = "9"
    & skf18("10","1","1","8","7","2","1") = "9"
    & skf18("10","1","1","8","7","3","1") = "9"
    & skf18("10","1","1","8","7","4","1") = "9"
    & skf18("10","1","1","8","7","5","1") = "9"
    & skf18("10","1","1","8","7","6","1") = "9"
    & skf18("10","1","1","8","7","7","1") = "9"
    & skf18("10","1","1","8","7","8","1") = "9"
    & skf18("10","1","1","8","7","9","1") = "9"
    & skf18("10","1","1","8","7","10","1") = "9"
    & skf18("10","1","1","8","8","1","1") = "9"
    & skf18("10","1","1","8","8","2","1") = "9"
    & skf18("10","1","1","8","8","3","1") = "9"
    & skf18("10","1","1","8","8","4","1") = "9"
    & skf18("10","1","1","8","8","5","1") = "9"
    & skf18("10","1","1","8","8","6","1") = "9"
    & skf18("10","1","1","8","8","7","1") = "9"
    & skf18("10","1","1","8","8","8","1") = "9"
    & skf18("10","1","1","8","8","9","1") = "9"
    & skf18("10","1","1","8","8","10","1") = "9"
    & skf18("10","1","1","8","9","1","1") = "9"
    & skf18("10","1","1","8","9","2","1") = "9"
    & skf18("10","1","1","8","9","3","1") = "9"
    & skf18("10","1","1","8","9","4","1") = "9"
    & skf18("10","1","1","8","9","5","1") = "9"
    & skf18("10","1","1","8","9","6","1") = "9"
    & skf18("10","1","1","8","9","7","1") = "9"
    & skf18("10","1","1","8","9","8","1") = "9"
    & skf18("10","1","1","8","9","9","1") = "9"
    & skf18("10","1","1","8","9","10","1") = "9"
    & skf18("10","1","1","8","10","1","1") = "9"
    & skf18("10","1","1","8","10","2","1") = "9"
    & skf18("10","1","1","8","10","3","1") = "9"
    & skf18("10","1","1","8","10","4","1") = "9"
    & skf18("10","1","1","8","10","5","1") = "9"
    & skf18("10","1","1","8","10","6","1") = "9"
    & skf18("10","1","1","8","10","7","1") = "9"
    & skf18("10","1","1","8","10","8","1") = "9"
    & skf18("10","1","1","8","10","9","1") = "9"
    & skf18("10","1","1","8","10","10","1") = "9"
    & skf18("10","1","1","9","1","1","1") = "9"
    & skf18("10","1","1","9","1","2","1") = "9"
    & skf18("10","1","1","9","1","3","1") = "9"
    & skf18("10","1","1","9","1","4","1") = "9"
    & skf18("10","1","1","9","1","5","1") = "9"
    & skf18("10","1","1","9","1","6","1") = "9"
    & skf18("10","1","1","9","1","7","1") = "9"
    & skf18("10","1","1","9","1","8","1") = "9"
    & skf18("10","1","1","9","1","9","1") = "9"
    & skf18("10","1","1","9","1","10","1") = "9"
    & skf18("10","1","1","9","2","1","1") = "9"
    & skf18("10","1","1","9","2","2","1") = "9"
    & skf18("10","1","1","9","2","3","1") = "9"
    & skf18("10","1","1","9","2","4","1") = "9"
    & skf18("10","1","1","9","2","5","1") = "9"
    & skf18("10","1","1","9","2","6","1") = "9"
    & skf18("10","1","1","9","2","7","1") = "9"
    & skf18("10","1","1","9","2","8","1") = "9"
    & skf18("10","1","1","9","2","9","1") = "9"
    & skf18("10","1","1","9","2","10","1") = "9"
    & skf18("10","1","1","9","3","1","1") = "9"
    & skf18("10","1","1","9","3","2","1") = "9"
    & skf18("10","1","1","9","3","3","1") = "9"
    & skf18("10","1","1","9","3","4","1") = "9"
    & skf18("10","1","1","9","3","5","1") = "9"
    & skf18("10","1","1","9","3","6","1") = "9"
    & skf18("10","1","1","9","3","7","1") = "9"
    & skf18("10","1","1","9","3","8","1") = "9"
    & skf18("10","1","1","9","3","9","1") = "9"
    & skf18("10","1","1","9","3","10","1") = "9"
    & skf18("10","1","1","9","4","1","1") = "9"
    & skf18("10","1","1","9","4","2","1") = "9"
    & skf18("10","1","1","9","4","3","1") = "9"
    & skf18("10","1","1","9","4","4","1") = "9"
    & skf18("10","1","1","9","4","5","1") = "9"
    & skf18("10","1","1","9","4","6","1") = "9"
    & skf18("10","1","1","9","4","7","1") = "9"
    & skf18("10","1","1","9","4","8","1") = "9"
    & skf18("10","1","1","9","4","9","1") = "9"
    & skf18("10","1","1","9","4","10","1") = "9"
    & skf18("10","1","1","9","5","1","1") = "9"
    & skf18("10","1","1","9","5","2","1") = "9"
    & skf18("10","1","1","9","5","3","1") = "9"
    & skf18("10","1","1","9","5","4","1") = "9"
    & skf18("10","1","1","9","5","5","1") = "9"
    & skf18("10","1","1","9","5","6","1") = "9"
    & skf18("10","1","1","9","5","7","1") = "9"
    & skf18("10","1","1","9","5","8","1") = "9"
    & skf18("10","1","1","9","5","9","1") = "9"
    & skf18("10","1","1","9","5","10","1") = "9"
    & skf18("10","1","1","9","6","1","1") = "9"
    & skf18("10","1","1","9","6","2","1") = "9"
    & skf18("10","1","1","9","6","3","1") = "9"
    & skf18("10","1","1","9","6","4","1") = "9"
    & skf18("10","1","1","9","6","5","1") = "9"
    & skf18("10","1","1","9","6","6","1") = "9"
    & skf18("10","1","1","9","6","7","1") = "9"
    & skf18("10","1","1","9","6","8","1") = "9"
    & skf18("10","1","1","9","6","9","1") = "9"
    & skf18("10","1","1","9","6","10","1") = "9"
    & skf18("10","1","1","9","7","1","1") = "9"
    & skf18("10","1","1","9","7","2","1") = "9"
    & skf18("10","1","1","9","7","3","1") = "9"
    & skf18("10","1","1","9","7","4","1") = "9"
    & skf18("10","1","1","9","7","5","1") = "9"
    & skf18("10","1","1","9","7","6","1") = "9"
    & skf18("10","1","1","9","7","7","1") = "9"
    & skf18("10","1","1","9","7","8","1") = "9"
    & skf18("10","1","1","9","7","9","1") = "9"
    & skf18("10","1","1","9","7","10","1") = "9"
    & skf18("10","1","1","9","8","1","1") = "9"
    & skf18("10","1","1","9","8","2","1") = "9"
    & skf18("10","1","1","9","8","3","1") = "9"
    & skf18("10","1","1","9","8","4","1") = "9"
    & skf18("10","1","1","9","8","5","1") = "9"
    & skf18("10","1","1","9","8","6","1") = "9"
    & skf18("10","1","1","9","8","7","1") = "9"
    & skf18("10","1","1","9","8","8","1") = "9"
    & skf18("10","1","1","9","8","9","1") = "9"
    & skf18("10","1","1","9","8","10","1") = "9"
    & skf18("10","1","1","9","9","1","1") = "9"
    & skf18("10","1","1","9","9","2","1") = "9"
    & skf18("10","1","1","9","9","3","1") = "9"
    & skf18("10","1","1","9","9","4","1") = "9"
    & skf18("10","1","1","9","9","5","1") = "9"
    & skf18("10","1","1","9","9","6","1") = "9"
    & skf18("10","1","1","9","9","7","1") = "9"
    & skf18("10","1","1","9","9","8","1") = "9"
    & skf18("10","1","1","9","9","9","1") = "9"
    & skf18("10","1","1","9","9","10","1") = "9"
    & skf18("10","1","1","9","10","1","1") = "9"
    & skf18("10","1","1","9","10","2","1") = "9"
    & skf18("10","1","1","9","10","3","1") = "9"
    & skf18("10","1","1","9","10","4","1") = "9"
    & skf18("10","1","1","9","10","5","1") = "9"
    & skf18("10","1","1","9","10","6","1") = "9"
    & skf18("10","1","1","9","10","7","1") = "9"
    & skf18("10","1","1","9","10","8","1") = "9"
    & skf18("10","1","1","9","10","9","1") = "9"
    & skf18("10","1","1","9","10","10","1") = "9"
    & skf18("10","1","1","10","1","1","1") = "9"
    & skf18("10","1","1","10","1","2","1") = "9"
    & skf18("10","1","1","10","1","3","1") = "9"
    & skf18("10","1","1","10","1","4","1") = "9"
    & skf18("10","1","1","10","1","5","1") = "9"
    & skf18("10","1","1","10","1","6","1") = "9"
    & skf18("10","1","1","10","1","7","1") = "9"
    & skf18("10","1","1","10","1","8","1") = "9"
    & skf18("10","1","1","10","1","9","1") = "9"
    & skf18("10","1","1","10","1","10","1") = "9"
    & skf18("10","1","1","10","2","1","1") = "9"
    & skf18("10","1","1","10","2","2","1") = "9"
    & skf18("10","1","1","10","2","3","1") = "9"
    & skf18("10","1","1","10","2","4","1") = "9"
    & skf18("10","1","1","10","2","5","1") = "9"
    & skf18("10","1","1","10","2","6","1") = "9"
    & skf18("10","1","1","10","2","7","1") = "9"
    & skf18("10","1","1","10","2","8","1") = "9"
    & skf18("10","1","1","10","2","9","1") = "9"
    & skf18("10","1","1","10","2","10","1") = "9"
    & skf18("10","1","1","10","3","1","1") = "9"
    & skf18("10","1","1","10","3","2","1") = "9"
    & skf18("10","1","1","10","3","3","1") = "9"
    & skf18("10","1","1","10","3","4","1") = "9"
    & skf18("10","1","1","10","3","5","1") = "9"
    & skf18("10","1","1","10","3","6","1") = "9"
    & skf18("10","1","1","10","3","7","1") = "9"
    & skf18("10","1","1","10","3","8","1") = "9"
    & skf18("10","1","1","10","3","9","1") = "9"
    & skf18("10","1","1","10","3","10","1") = "9"
    & skf18("10","1","1","10","4","1","1") = "9"
    & skf18("10","1","1","10","4","2","1") = "9"
    & skf18("10","1","1","10","4","3","1") = "9"
    & skf18("10","1","1","10","4","4","1") = "9"
    & skf18("10","1","1","10","4","5","1") = "9"
    & skf18("10","1","1","10","4","6","1") = "9"
    & skf18("10","1","1","10","4","7","1") = "9"
    & skf18("10","1","1","10","4","8","1") = "9"
    & skf18("10","1","1","10","4","9","1") = "9"
    & skf18("10","1","1","10","4","10","1") = "9"
    & skf18("10","1","1","10","5","1","1") = "9"
    & skf18("10","1","1","10","5","2","1") = "9"
    & skf18("10","1","1","10","5","3","1") = "9"
    & skf18("10","1","1","10","5","4","1") = "9"
    & skf18("10","1","1","10","5","5","1") = "9"
    & skf18("10","1","1","10","5","6","1") = "9"
    & skf18("10","1","1","10","5","7","1") = "9"
    & skf18("10","1","1","10","5","8","1") = "9"
    & skf18("10","1","1","10","5","9","1") = "9"
    & skf18("10","1","1","10","5","10","1") = "9"
    & skf18("10","1","1","10","6","1","1") = "9"
    & skf18("10","1","1","10","6","2","1") = "9"
    & skf18("10","1","1","10","6","3","1") = "9"
    & skf18("10","1","1","10","6","4","1") = "9"
    & skf18("10","1","1","10","6","5","1") = "9"
    & skf18("10","1","1","10","6","6","1") = "9"
    & skf18("10","1","1","10","6","7","1") = "9"
    & skf18("10","1","1","10","6","8","1") = "9"
    & skf18("10","1","1","10","6","9","1") = "9"
    & skf18("10","1","1","10","6","10","1") = "9"
    & skf18("10","1","1","10","7","1","1") = "9"
    & skf18("10","1","1","10","7","2","1") = "9"
    & skf18("10","1","1","10","7","3","1") = "9"
    & skf18("10","1","1","10","7","4","1") = "9"
    & skf18("10","1","1","10","7","5","1") = "9"
    & skf18("10","1","1","10","7","6","1") = "9"
    & skf18("10","1","1","10","7","7","1") = "9"
    & skf18("10","1","1","10","7","8","1") = "9"
    & skf18("10","1","1","10","7","9","1") = "9"
    & skf18("10","1","1","10","7","10","1") = "9"
    & skf18("10","1","1","10","8","1","1") = "9"
    & skf18("10","1","1","10","8","2","1") = "9"
    & skf18("10","1","1","10","8","3","1") = "9"
    & skf18("10","1","1","10","8","4","1") = "9"
    & skf18("10","1","1","10","8","5","1") = "9"
    & skf18("10","1","1","10","8","6","1") = "9"
    & skf18("10","1","1","10","8","7","1") = "9"
    & skf18("10","1","1","10","8","8","1") = "9"
    & skf18("10","1","1","10","8","9","1") = "9"
    & skf18("10","1","1","10","8","10","1") = "9"
    & skf18("10","1","1","10","9","1","1") = "9"
    & skf18("10","1","1","10","9","2","1") = "9"
    & skf18("10","1","1","10","9","3","1") = "9"
    & skf18("10","1","1","10","9","4","1") = "9"
    & skf18("10","1","1","10","9","5","1") = "9"
    & skf18("10","1","1","10","9","6","1") = "9"
    & skf18("10","1","1","10","9","7","1") = "9"
    & skf18("10","1","1","10","9","8","1") = "9"
    & skf18("10","1","1","10","9","9","1") = "9"
    & skf18("10","1","1","10","9","10","1") = "9"
    & skf18("10","1","1","10","10","1","1") = "9"
    & skf18("10","1","1","10","10","2","1") = "9"
    & skf18("10","1","1","10","10","3","1") = "9"
    & skf18("10","1","1","10","10","4","1") = "9"
    & skf18("10","1","1","10","10","5","1") = "9"
    & skf18("10","1","1","10","10","6","1") = "9"
    & skf18("10","1","1","10","10","7","1") = "9"
    & skf18("10","1","1","10","10","8","1") = "9"
    & skf18("10","1","1","10","10","9","1") = "9"
    & skf18("10","1","1","10","10","10","1") = "9"
    & skf18("10","1","2","1","1","1","1") = "9"
    & skf18("10","1","2","1","1","2","1") = "9"
    & skf18("10","1","2","1","1","3","1") = "9"
    & skf18("10","1","2","1","1","4","1") = "9"
    & skf18("10","1","2","1","1","5","1") = "9"
    & skf18("10","1","2","1","1","6","1") = "9"
    & skf18("10","1","2","1","1","7","1") = "9"
    & skf18("10","1","2","1","1","8","1") = "9"
    & skf18("10","1","2","1","1","9","1") = "9"
    & skf18("10","1","2","1","1","10","1") = "9"
    & skf18("10","1","2","1","2","1","1") = "9"
    & skf18("10","1","2","1","2","2","1") = "9"
    & skf18("10","1","2","1","2","3","1") = "9"
    & skf18("10","1","2","1","2","4","1") = "9"
    & skf18("10","1","2","1","2","5","1") = "9"
    & skf18("10","1","2","1","2","6","1") = "9"
    & skf18("10","1","2","1","2","7","1") = "9"
    & skf18("10","1","2","1","2","8","1") = "9"
    & skf18("10","1","2","1","2","9","1") = "9"
    & skf18("10","1","2","1","2","10","1") = "9"
    & skf18("10","1","2","1","3","1","1") = "9"
    & skf18("10","1","2","1","3","2","1") = "9"
    & skf18("10","1","2","1","3","3","1") = "9"
    & skf18("10","1","2","1","3","4","1") = "9"
    & skf18("10","1","2","1","3","5","1") = "9"
    & skf18("10","1","2","1","3","6","1") = "9"
    & skf18("10","1","2","1","3","7","1") = "9"
    & skf18("10","1","2","1","3","8","1") = "9"
    & skf18("10","1","2","1","3","9","1") = "9"
    & skf18("10","1","2","1","3","10","1") = "9"
    & skf18("10","1","2","1","4","1","1") = "9"
    & skf18("10","1","2","1","4","2","1") = "9"
    & skf18("10","1","2","1","4","3","1") = "9"
    & skf18("10","1","2","1","4","4","1") = "9"
    & skf18("10","1","2","1","4","5","1") = "9"
    & skf18("10","1","2","1","4","6","1") = "9"
    & skf18("10","1","2","1","4","7","1") = "9"
    & skf18("10","1","2","1","4","8","1") = "9"
    & skf18("10","1","2","1","4","9","1") = "9"
    & skf18("10","1","2","1","4","10","1") = "9"
    & skf18("10","1","2","1","5","1","1") = "9"
    & skf18("10","1","2","1","5","2","1") = "9"
    & skf18("10","1","2","1","5","3","1") = "9"
    & skf18("10","1","2","1","5","4","1") = "9"
    & skf18("10","1","2","1","5","5","1") = "9"
    & skf18("10","1","2","1","5","6","1") = "9"
    & skf18("10","1","2","1","5","7","1") = "9"
    & skf18("10","1","2","1","5","8","1") = "9"
    & skf18("10","1","2","1","5","9","1") = "9"
    & skf18("10","1","2","1","5","10","1") = "9"
    & skf18("10","1","2","1","6","1","1") = "9"
    & skf18("10","1","2","1","6","2","1") = "9"
    & skf18("10","1","2","1","6","3","1") = "9"
    & skf18("10","1","2","1","6","4","1") = "9"
    & skf18("10","1","2","1","6","5","1") = "9"
    & skf18("10","1","2","1","6","6","1") = "9"
    & skf18("10","1","2","1","6","7","1") = "9"
    & skf18("10","1","2","1","6","8","1") = "9"
    & skf18("10","1","2","1","6","9","1") = "9"
    & skf18("10","1","2","1","6","10","1") = "9"
    & skf18("10","1","2","1","7","1","1") = "9"
    & skf18("10","1","2","1","7","2","1") = "9"
    & skf18("10","1","2","1","7","3","1") = "9"
    & skf18("10","1","2","1","7","4","1") = "9"
    & skf18("10","1","2","1","7","5","1") = "9"
    & skf18("10","1","2","1","7","6","1") = "9"
    & skf18("10","1","2","1","7","7","1") = "9"
    & skf18("10","1","2","1","7","8","1") = "9"
    & skf18("10","1","2","1","7","9","1") = "9"
    & skf18("10","1","2","1","7","10","1") = "9"
    & skf18("10","1","2","1","8","1","1") = "9"
    & skf18("10","1","2","1","8","2","1") = "9"
    & skf18("10","1","2","1","8","3","1") = "9"
    & skf18("10","1","2","1","8","4","1") = "9"
    & skf18("10","1","2","1","8","5","1") = "9"
    & skf18("10","1","2","1","8","6","1") = "9"
    & skf18("10","1","2","1","8","7","1") = "9"
    & skf18("10","1","2","1","8","8","1") = "9"
    & skf18("10","1","2","1","8","9","1") = "9"
    & skf18("10","1","2","1","8","10","1") = "9"
    & skf18("10","1","2","1","9","1","1") = "9"
    & skf18("10","1","2","1","9","2","1") = "9"
    & skf18("10","1","2","1","9","3","1") = "9"
    & skf18("10","1","2","1","9","4","1") = "9"
    & skf18("10","1","2","1","9","5","1") = "9"
    & skf18("10","1","2","1","9","6","1") = "9"
    & skf18("10","1","2","1","9","7","1") = "9"
    & skf18("10","1","2","1","9","8","1") = "9"
    & skf18("10","1","2","1","9","9","1") = "9"
    & skf18("10","1","2","1","9","10","1") = "9"
    & skf18("10","1","2","1","10","1","1") = "9"
    & skf18("10","1","2","1","10","2","1") = "9"
    & skf18("10","1","2","1","10","3","1") = "9"
    & skf18("10","1","2","1","10","4","1") = "9"
    & skf18("10","1","2","1","10","5","1") = "9"
    & skf18("10","1","2","1","10","6","1") = "9"
    & skf18("10","1","2","1","10","7","1") = "9"
    & skf18("10","1","2","1","10","8","1") = "9"
    & skf18("10","1","2","1","10","9","1") = "9"
    & skf18("10","1","2","1","10","10","1") = "9"
    & skf18("10","1","2","2","1","1","1") = "9"
    & skf18("10","1","2","2","1","2","1") = "9"
    & skf18("10","1","2","2","1","3","1") = "9"
    & skf18("10","1","2","2","1","4","1") = "9"
    & skf18("10","1","2","2","1","5","1") = "9"
    & skf18("10","1","2","2","1","6","1") = "9"
    & skf18("10","1","2","2","1","7","1") = "9"
    & skf18("10","1","2","2","1","8","1") = "9"
    & skf18("10","1","2","2","1","9","1") = "9"
    & skf18("10","1","2","2","1","10","1") = "9"
    & skf18("10","1","2","2","2","1","1") = "9"
    & skf18("10","1","2","2","2","2","1") = "9"
    & skf18("10","1","2","2","2","3","1") = "9"
    & skf18("10","1","2","2","2","4","1") = "9"
    & skf18("10","1","2","2","2","5","1") = "9"
    & skf18("10","1","2","2","2","6","1") = "9"
    & skf18("10","1","2","2","2","7","1") = "9"
    & skf18("10","1","2","2","2","8","1") = "9"
    & skf18("10","1","2","2","2","9","1") = "9"
    & skf18("10","1","2","2","2","10","1") = "9"
    & skf18("10","1","2","2","3","1","1") = "9"
    & skf18("10","1","2","2","3","2","1") = "9"
    & skf18("10","1","2","2","3","3","1") = "9"
    & skf18("10","1","2","2","3","4","1") = "9"
    & skf18("10","1","2","2","3","5","1") = "9"
    & skf18("10","1","2","2","3","6","1") = "9"
    & skf18("10","1","2","2","3","7","1") = "9"
    & skf18("10","1","2","2","3","8","1") = "9"
    & skf18("10","1","2","2","3","9","1") = "9"
    & skf18("10","1","2","2","3","10","1") = "9"
    & skf18("10","1","2","2","4","1","1") = "9"
    & skf18("10","1","2","2","4","2","1") = "9"
    & skf18("10","1","2","2","4","3","1") = "9"
    & skf18("10","1","2","2","4","4","1") = "9"
    & skf18("10","1","2","2","4","5","1") = "9"
    & skf18("10","1","2","2","4","6","1") = "9"
    & skf18("10","1","2","2","4","7","1") = "9"
    & skf18("10","1","2","2","4","8","1") = "9"
    & skf18("10","1","2","2","4","9","1") = "9"
    & skf18("10","1","2","2","4","10","1") = "9"
    & skf18("10","1","2","2","5","1","1") = "9"
    & skf18("10","1","2","2","5","2","1") = "9"
    & skf18("10","1","2","2","5","3","1") = "9"
    & skf18("10","1","2","2","5","4","1") = "9"
    & skf18("10","1","2","2","5","5","1") = "9"
    & skf18("10","1","2","2","5","6","1") = "9"
    & skf18("10","1","2","2","5","7","1") = "9"
    & skf18("10","1","2","2","5","8","1") = "9"
    & skf18("10","1","2","2","5","9","1") = "9"
    & skf18("10","1","2","2","5","10","1") = "9"
    & skf18("10","1","2","2","6","1","1") = "9"
    & skf18("10","1","2","2","6","2","1") = "9"
    & skf18("10","1","2","2","6","3","1") = "9"
    & skf18("10","1","2","2","6","4","1") = "9"
    & skf18("10","1","2","2","6","5","1") = "9"
    & skf18("10","1","2","2","6","6","1") = "9"
    & skf18("10","1","2","2","6","7","1") = "9"
    & skf18("10","1","2","2","6","8","1") = "9"
    & skf18("10","1","2","2","6","9","1") = "9"
    & skf18("10","1","2","2","6","10","1") = "9"
    & skf18("10","1","2","2","7","1","1") = "9"
    & skf18("10","1","2","2","7","2","1") = "9"
    & skf18("10","1","2","2","7","3","1") = "9"
    & skf18("10","1","2","2","7","4","1") = "9"
    & skf18("10","1","2","2","7","5","1") = "9"
    & skf18("10","1","2","2","7","6","1") = "9"
    & skf18("10","1","2","2","7","7","1") = "9"
    & skf18("10","1","2","2","7","8","1") = "9"
    & skf18("10","1","2","2","7","9","1") = "9"
    & skf18("10","1","2","2","7","10","1") = "9"
    & skf18("10","1","2","2","8","1","1") = "9"
    & skf18("10","1","2","2","8","2","1") = "9"
    & skf18("10","1","2","2","8","3","1") = "9"
    & skf18("10","1","2","2","8","4","1") = "9"
    & skf18("10","1","2","2","8","5","1") = "9"
    & skf18("10","1","2","2","8","6","1") = "9"
    & skf18("10","1","2","2","8","7","1") = "9"
    & skf18("10","1","2","2","8","8","1") = "9"
    & skf18("10","1","2","2","8","9","1") = "9"
    & skf18("10","1","2","2","8","10","1") = "9"
    & skf18("10","1","2","2","9","1","1") = "9"
    & skf18("10","1","2","2","9","2","1") = "9"
    & skf18("10","1","2","2","9","3","1") = "9"
    & skf18("10","1","2","2","9","4","1") = "9"
    & skf18("10","1","2","2","9","5","1") = "9"
    & skf18("10","1","2","2","9","6","1") = "9"
    & skf18("10","1","2","2","9","7","1") = "9"
    & skf18("10","1","2","2","9","8","1") = "9"
    & skf18("10","1","2","2","9","9","1") = "9"
    & skf18("10","1","2","2","9","10","1") = "9"
    & skf18("10","1","2","2","10","1","1") = "9"
    & skf18("10","1","2","2","10","2","1") = "9"
    & skf18("10","1","2","2","10","3","1") = "9"
    & skf18("10","1","2","2","10","4","1") = "9"
    & skf18("10","1","2","2","10","5","1") = "9"
    & skf18("10","1","2","2","10","6","1") = "9"
    & skf18("10","1","2","2","10","7","1") = "9"
    & skf18("10","1","2","2","10","8","1") = "9"
    & skf18("10","1","2","2","10","9","1") = "9"
    & skf18("10","1","2","2","10","10","1") = "9"
    & skf18("10","1","2","3","1","1","1") = "9"
    & skf18("10","1","2","3","1","2","1") = "9"
    & skf18("10","1","2","3","1","3","1") = "9"
    & skf18("10","1","2","3","1","4","1") = "9"
    & skf18("10","1","2","3","1","5","1") = "9"
    & skf18("10","1","2","3","1","6","1") = "9"
    & skf18("10","1","2","3","1","7","1") = "9"
    & skf18("10","1","2","3","1","8","1") = "9"
    & skf18("10","1","2","3","1","9","1") = "9"
    & skf18("10","1","2","3","1","10","1") = "9"
    & skf18("10","1","2","3","2","1","1") = "9"
    & skf18("10","1","2","3","2","2","1") = "9"
    & skf18("10","1","2","3","2","3","1") = "9"
    & skf18("10","1","2","3","2","4","1") = "9"
    & skf18("10","1","2","3","2","5","1") = "9"
    & skf18("10","1","2","3","2","6","1") = "9"
    & skf18("10","1","2","3","2","7","1") = "9"
    & skf18("10","1","2","3","2","8","1") = "9"
    & skf18("10","1","2","3","2","9","1") = "9"
    & skf18("10","1","2","3","2","10","1") = "9"
    & skf18("10","1","2","3","3","1","1") = "9"
    & skf18("10","1","2","3","3","2","1") = "9"
    & skf18("10","1","2","3","3","3","1") = "9"
    & skf18("10","1","2","3","3","4","1") = "9"
    & skf18("10","1","2","3","3","5","1") = "9"
    & skf18("10","1","2","3","3","6","1") = "9"
    & skf18("10","1","2","3","3","7","1") = "9"
    & skf18("10","1","2","3","3","8","1") = "9"
    & skf18("10","1","2","3","3","9","1") = "9"
    & skf18("10","1","2","3","3","10","1") = "9"
    & skf18("10","1","2","3","4","1","1") = "9"
    & skf18("10","1","2","3","4","2","1") = "9"
    & skf18("10","1","2","3","4","3","1") = "9"
    & skf18("10","1","2","3","4","4","1") = "9"
    & skf18("10","1","2","3","4","5","1") = "9"
    & skf18("10","1","2","3","4","6","1") = "9"
    & skf18("10","1","2","3","4","7","1") = "9"
    & skf18("10","1","2","3","4","8","1") = "9"
    & skf18("10","1","2","3","4","9","1") = "9"
    & skf18("10","1","2","3","4","10","1") = "9"
    & skf18("10","1","2","3","5","1","1") = "9"
    & skf18("10","1","2","3","5","2","1") = "9"
    & skf18("10","1","2","3","5","3","1") = "9"
    & skf18("10","1","2","3","5","4","1") = "9"
    & skf18("10","1","2","3","5","5","1") = "9"
    & skf18("10","1","2","3","5","6","1") = "9"
    & skf18("10","1","2","3","5","7","1") = "9"
    & skf18("10","1","2","3","5","8","1") = "9"
    & skf18("10","1","2","3","5","9","1") = "9"
    & skf18("10","1","2","3","5","10","1") = "9"
    & skf18("10","1","2","3","6","1","1") = "9"
    & skf18("10","1","2","3","6","2","1") = "9"
    & skf18("10","1","2","3","6","3","1") = "9"
    & skf18("10","1","2","3","6","4","1") = "9"
    & skf18("10","1","2","3","6","5","1") = "9"
    & skf18("10","1","2","3","6","6","1") = "9"
    & skf18("10","1","2","3","6","7","1") = "9"
    & skf18("10","1","2","3","6","8","1") = "9"
    & skf18("10","1","2","3","6","9","1") = "9"
    & skf18("10","1","2","3","6","10","1") = "9"
    & skf18("10","1","2","3","7","1","1") = "9"
    & skf18("10","1","2","3","7","2","1") = "9"
    & skf18("10","1","2","3","7","3","1") = "9"
    & skf18("10","1","2","3","7","4","1") = "9"
    & skf18("10","1","2","3","7","5","1") = "9"
    & skf18("10","1","2","3","7","6","1") = "9"
    & skf18("10","1","2","3","7","7","1") = "9"
    & skf18("10","1","2","3","7","8","1") = "9"
    & skf18("10","1","2","3","7","9","1") = "9"
    & skf18("10","1","2","3","7","10","1") = "9"
    & skf18("10","1","2","3","8","1","1") = "9"
    & skf18("10","1","2","3","8","2","1") = "9"
    & skf18("10","1","2","3","8","3","1") = "9"
    & skf18("10","1","2","3","8","4","1") = "9"
    & skf18("10","1","2","3","8","5","1") = "9"
    & skf18("10","1","2","3","8","6","1") = "9"
    & skf18("10","1","2","3","8","7","1") = "9"
    & skf18("10","1","2","3","8","8","1") = "9"
    & skf18("10","1","2","3","8","9","1") = "9"
    & skf18("10","1","2","3","8","10","1") = "9"
    & skf18("10","1","2","3","9","1","1") = "9"
    & skf18("10","1","2","3","9","2","1") = "9"
    & skf18("10","1","2","3","9","3","1") = "9"
    & skf18("10","1","2","3","9","4","1") = "9"
    & skf18("10","1","2","3","9","5","1") = "9"
    & skf18("10","1","2","3","9","6","1") = "9"
    & skf18("10","1","2","3","9","7","1") = "9"
    & skf18("10","1","2","3","9","8","1") = "9"
    & skf18("10","1","2","3","9","9","1") = "9"
    & skf18("10","1","2","3","9","10","1") = "9"
    & skf18("10","1","2","3","10","1","1") = "9"
    & skf18("10","1","2","3","10","2","1") = "9"
    & skf18("10","1","2","3","10","3","1") = "9"
    & skf18("10","1","2","3","10","4","1") = "9"
    & skf18("10","1","2","3","10","5","1") = "9"
    & skf18("10","1","2","3","10","6","1") = "9"
    & skf18("10","1","2","3","10","7","1") = "9"
    & skf18("10","1","2","3","10","8","1") = "9"
    & skf18("10","1","2","3","10","9","1") = "9"
    & skf18("10","1","2","3","10","10","1") = "9"
    & skf18("10","1","2","4","1","1","1") = "9"
    & skf18("10","1","2","4","1","2","1") = "9"
    & skf18("10","1","2","4","1","3","1") = "9"
    & skf18("10","1","2","4","1","4","1") = "9"
    & skf18("10","1","2","4","1","5","1") = "9"
    & skf18("10","1","2","4","1","6","1") = "9"
    & skf18("10","1","2","4","1","7","1") = "9"
    & skf18("10","1","2","4","1","8","1") = "9"
    & skf18("10","1","2","4","1","9","1") = "9"
    & skf18("10","1","2","4","1","10","1") = "9"
    & skf18("10","1","2","4","2","1","1") = "9"
    & skf18("10","1","2","4","2","2","1") = "9"
    & skf18("10","1","2","4","2","3","1") = "9"
    & skf18("10","1","2","4","2","4","1") = "9"
    & skf18("10","1","2","4","2","5","1") = "9"
    & skf18("10","1","2","4","2","6","1") = "9"
    & skf18("10","1","2","4","2","7","1") = "9"
    & skf18("10","1","2","4","2","8","1") = "9"
    & skf18("10","1","2","4","2","9","1") = "9"
    & skf18("10","1","2","4","2","10","1") = "9"
    & skf18("10","1","2","4","3","1","1") = "9"
    & skf18("10","1","2","4","3","2","1") = "9"
    & skf18("10","1","2","4","3","3","1") = "9"
    & skf18("10","1","2","4","3","4","1") = "9"
    & skf18("10","1","2","4","3","5","1") = "9"
    & skf18("10","1","2","4","3","6","1") = "9"
    & skf18("10","1","2","4","3","7","1") = "9"
    & skf18("10","1","2","4","3","8","1") = "9"
    & skf18("10","1","2","4","3","9","1") = "9"
    & skf18("10","1","2","4","3","10","1") = "9"
    & skf18("10","1","2","4","4","1","1") = "9"
    & skf18("10","1","2","4","4","2","1") = "9"
    & skf18("10","1","2","4","4","3","1") = "9"
    & skf18("10","1","2","4","4","4","1") = "9"
    & skf18("10","1","2","4","4","5","1") = "9"
    & skf18("10","1","2","4","4","6","1") = "9"
    & skf18("10","1","2","4","4","7","1") = "9"
    & skf18("10","1","2","4","4","8","1") = "9"
    & skf18("10","1","2","4","4","9","1") = "9"
    & skf18("10","1","2","4","4","10","1") = "9"
    & skf18("10","1","2","4","5","1","1") = "9"
    & skf18("10","1","2","4","5","2","1") = "9"
    & skf18("10","1","2","4","5","3","1") = "9"
    & skf18("10","1","2","4","5","4","1") = "9"
    & skf18("10","1","2","4","5","5","1") = "9"
    & skf18("10","1","2","4","5","6","1") = "9"
    & skf18("10","1","2","4","5","7","1") = "9"
    & skf18("10","1","2","4","5","8","1") = "9"
    & skf18("10","1","2","4","5","9","1") = "9"
    & skf18("10","1","2","4","5","10","1") = "9"
    & skf18("10","1","2","4","6","1","1") = "9"
    & skf18("10","1","2","4","6","2","1") = "9"
    & skf18("10","1","2","4","6","3","1") = "9"
    & skf18("10","1","2","4","6","4","1") = "9"
    & skf18("10","1","2","4","6","5","1") = "9"
    & skf18("10","1","2","4","6","6","1") = "9"
    & skf18("10","1","2","4","6","7","1") = "9"
    & skf18("10","1","2","4","6","8","1") = "9"
    & skf18("10","1","2","4","6","9","1") = "9"
    & skf18("10","1","2","4","6","10","1") = "9"
    & skf18("10","1","2","4","7","1","1") = "9"
    & skf18("10","1","2","4","7","2","1") = "9"
    & skf18("10","1","2","4","7","3","1") = "9"
    & skf18("10","1","2","4","7","4","1") = "9"
    & skf18("10","1","2","4","7","5","1") = "9"
    & skf18("10","1","2","4","7","6","1") = "9"
    & skf18("10","1","2","4","7","7","1") = "9"
    & skf18("10","1","2","4","7","8","1") = "9"
    & skf18("10","1","2","4","7","9","1") = "9"
    & skf18("10","1","2","4","7","10","1") = "9"
    & skf18("10","1","2","4","8","1","1") = "9"
    & skf18("10","1","2","4","8","2","1") = "9"
    & skf18("10","1","2","4","8","3","1") = "9"
    & skf18("10","1","2","4","8","4","1") = "9"
    & skf18("10","1","2","4","8","5","1") = "9"
    & skf18("10","1","2","4","8","6","1") = "9"
    & skf18("10","1","2","4","8","7","1") = "9"
    & skf18("10","1","2","4","8","8","1") = "9"
    & skf18("10","1","2","4","8","9","1") = "9"
    & skf18("10","1","2","4","8","10","1") = "9"
    & skf18("10","1","2","4","9","1","1") = "9"
    & skf18("10","1","2","4","9","2","1") = "9"
    & skf18("10","1","2","4","9","3","1") = "9"
    & skf18("10","1","2","4","9","4","1") = "9"
    & skf18("10","1","2","4","9","5","1") = "9"
    & skf18("10","1","2","4","9","6","1") = "9"
    & skf18("10","1","2","4","9","7","1") = "9"
    & skf18("10","1","2","4","9","8","1") = "9"
    & skf18("10","1","2","4","9","9","1") = "9"
    & skf18("10","1","2","4","9","10","1") = "9"
    & skf18("10","1","2","4","10","1","1") = "9"
    & skf18("10","1","2","4","10","2","1") = "9"
    & skf18("10","1","2","4","10","3","1") = "9"
    & skf18("10","1","2","4","10","4","1") = "9"
    & skf18("10","1","2","4","10","5","1") = "9"
    & skf18("10","1","2","4","10","6","1") = "9"
    & skf18("10","1","2","4","10","7","1") = "9"
    & skf18("10","1","2","4","10","8","1") = "9"
    & skf18("10","1","2","4","10","9","1") = "9"
    & skf18("10","1","2","4","10","10","1") = "9"
    & skf18("10","1","2","5","1","1","1") = "9"
    & skf18("10","1","2","5","1","2","1") = "9"
    & skf18("10","1","2","5","1","3","1") = "9"
    & skf18("10","1","2","5","1","4","1") = "9"
    & skf18("10","1","2","5","1","5","1") = "9"
    & skf18("10","1","2","5","1","6","1") = "9"
    & skf18("10","1","2","5","1","7","1") = "9"
    & skf18("10","1","2","5","1","8","1") = "9"
    & skf18("10","1","2","5","1","9","1") = "9"
    & skf18("10","1","2","5","1","10","1") = "9"
    & skf18("10","1","2","5","2","1","1") = "9"
    & skf18("10","1","2","5","2","2","1") = "9"
    & skf18("10","1","2","5","2","3","1") = "9"
    & skf18("10","1","2","5","2","4","1") = "9"
    & skf18("10","1","2","5","2","5","1") = "9"
    & skf18("10","1","2","5","2","6","1") = "9"
    & skf18("10","1","2","5","2","7","1") = "9"
    & skf18("10","1","2","5","2","8","1") = "9"
    & skf18("10","1","2","5","2","9","1") = "9"
    & skf18("10","1","2","5","2","10","1") = "9"
    & skf18("10","1","2","5","3","1","1") = "9"
    & skf18("10","1","2","5","3","2","1") = "9"
    & skf18("10","1","2","5","3","3","1") = "9"
    & skf18("10","1","2","5","3","4","1") = "9"
    & skf18("10","1","2","5","3","5","1") = "9"
    & skf18("10","1","2","5","3","6","1") = "9"
    & skf18("10","1","2","5","3","7","1") = "9"
    & skf18("10","1","2","5","3","8","1") = "9"
    & skf18("10","1","2","5","3","9","1") = "9"
    & skf18("10","1","2","5","3","10","1") = "9"
    & skf18("10","1","2","5","4","1","1") = "9"
    & skf18("10","1","2","5","4","2","1") = "9"
    & skf18("10","1","2","5","4","3","1") = "9"
    & skf18("10","1","2","5","4","4","1") = "9"
    & skf18("10","1","2","5","4","5","1") = "9"
    & skf18("10","1","2","5","4","6","1") = "9"
    & skf18("10","1","2","5","4","7","1") = "9"
    & skf18("10","1","2","5","4","8","1") = "9"
    & skf18("10","1","2","5","4","9","1") = "9"
    & skf18("10","1","2","5","4","10","1") = "9"
    & skf18("10","1","2","5","5","1","1") = "9"
    & skf18("10","1","2","5","5","2","1") = "9"
    & skf18("10","1","2","5","5","3","1") = "9"
    & skf18("10","1","2","5","5","4","1") = "9"
    & skf18("10","1","2","5","5","5","1") = "9"
    & skf18("10","1","2","5","5","6","1") = "9"
    & skf18("10","1","2","5","5","7","1") = "9"
    & skf18("10","1","2","5","5","8","1") = "9"
    & skf18("10","1","2","5","5","9","1") = "9"
    & skf18("10","1","2","5","5","10","1") = "9"
    & skf18("10","1","2","5","6","1","1") = "9"
    & skf18("10","1","2","5","6","2","1") = "9"
    & skf18("10","1","2","5","6","3","1") = "9"
    & skf18("10","1","2","5","6","4","1") = "9"
    & skf18("10","1","2","5","6","5","1") = "9"
    & skf18("10","1","2","5","6","6","1") = "9"
    & skf18("10","1","2","5","6","7","1") = "9"
    & skf18("10","1","2","5","6","8","1") = "9"
    & skf18("10","1","2","5","6","9","1") = "9"
    & skf18("10","1","2","5","6","10","1") = "9"
    & skf18("10","1","2","5","7","1","1") = "9"
    & skf18("10","1","2","5","7","2","1") = "9"
    & skf18("10","1","2","5","7","3","1") = "9"
    & skf18("10","1","2","5","7","4","1") = "9"
    & skf18("10","1","2","5","7","5","1") = "9"
    & skf18("10","1","2","5","7","6","1") = "9"
    & skf18("10","1","2","5","7","7","1") = "9"
    & skf18("10","1","2","5","7","8","1") = "9"
    & skf18("10","1","2","5","7","9","1") = "9"
    & skf18("10","1","2","5","7","10","1") = "9"
    & skf18("10","1","2","5","8","1","1") = "9"
    & skf18("10","1","2","5","8","2","1") = "9"
    & skf18("10","1","2","5","8","3","1") = "9"
    & skf18("10","1","2","5","8","4","1") = "9"
    & skf18("10","1","2","5","8","5","1") = "9"
    & skf18("10","1","2","5","8","6","1") = "9"
    & skf18("10","1","2","5","8","7","1") = "9"
    & skf18("10","1","2","5","8","8","1") = "9"
    & skf18("10","1","2","5","8","9","1") = "9"
    & skf18("10","1","2","5","8","10","1") = "9"
    & skf18("10","1","2","5","9","1","1") = "9"
    & skf18("10","1","2","5","9","2","1") = "9"
    & skf18("10","1","2","5","9","3","1") = "9"
    & skf18("10","1","2","5","9","4","1") = "9"
    & skf18("10","1","2","5","9","5","1") = "9"
    & skf18("10","1","2","5","9","6","1") = "9"
    & skf18("10","1","2","5","9","7","1") = "9"
    & skf18("10","1","2","5","9","8","1") = "9"
    & skf18("10","1","2","5","9","9","1") = "9"
    & skf18("10","1","2","5","9","10","1") = "9"
    & skf18("10","1","2","5","10","1","1") = "9"
    & skf18("10","1","2","5","10","2","1") = "9"
    & skf18("10","1","2","5","10","3","1") = "9"
    & skf18("10","1","2","5","10","4","1") = "9"
    & skf18("10","1","2","5","10","5","1") = "9"
    & skf18("10","1","2","5","10","6","1") = "9"
    & skf18("10","1","2","5","10","7","1") = "9"
    & skf18("10","1","2","5","10","8","1") = "9"
    & skf18("10","1","2","5","10","9","1") = "9"
    & skf18("10","1","2","5","10","10","1") = "9"
    & skf18("10","1","2","6","1","1","1") = "9"
    & skf18("10","1","2","6","1","2","1") = "9"
    & skf18("10","1","2","6","1","3","1") = "9"
    & skf18("10","1","2","6","1","4","1") = "9"
    & skf18("10","1","2","6","1","5","1") = "9"
    & skf18("10","1","2","6","1","6","1") = "9"
    & skf18("10","1","2","6","1","7","1") = "9"
    & skf18("10","1","2","6","1","8","1") = "9"
    & skf18("10","1","2","6","1","9","1") = "9"
    & skf18("10","1","2","6","1","10","1") = "9"
    & skf18("10","1","2","6","2","1","1") = "9"
    & skf18("10","1","2","6","2","2","1") = "9"
    & skf18("10","1","2","6","2","3","1") = "9"
    & skf18("10","1","2","6","2","4","1") = "9"
    & skf18("10","1","2","6","2","5","1") = "9"
    & skf18("10","1","2","6","2","6","1") = "9"
    & skf18("10","1","2","6","2","7","1") = "9"
    & skf18("10","1","2","6","2","8","1") = "9"
    & skf18("10","1","2","6","2","9","1") = "9"
    & skf18("10","1","2","6","2","10","1") = "9"
    & skf18("10","1","2","6","3","1","1") = "9"
    & skf18("10","1","2","6","3","2","1") = "9"
    & skf18("10","1","2","6","3","3","1") = "9"
    & skf18("10","1","2","6","3","4","1") = "9"
    & skf18("10","1","2","6","3","5","1") = "9"
    & skf18("10","1","2","6","3","6","1") = "9"
    & skf18("10","1","2","6","3","7","1") = "9"
    & skf18("10","1","2","6","3","8","1") = "9"
    & skf18("10","1","2","6","3","9","1") = "9"
    & skf18("10","1","2","6","3","10","1") = "9"
    & skf18("10","1","2","6","4","1","1") = "9"
    & skf18("10","1","2","6","4","2","1") = "9"
    & skf18("10","1","2","6","4","3","1") = "9"
    & skf18("10","1","2","6","4","4","1") = "9"
    & skf18("10","1","2","6","4","5","1") = "9"
    & skf18("10","1","2","6","4","6","1") = "9"
    & skf18("10","1","2","6","4","7","1") = "9"
    & skf18("10","1","2","6","4","8","1") = "9"
    & skf18("10","1","2","6","4","9","1") = "9"
    & skf18("10","1","2","6","4","10","1") = "9"
    & skf18("10","1","2","6","5","1","1") = "9"
    & skf18("10","1","2","6","5","2","1") = "9"
    & skf18("10","1","2","6","5","3","1") = "9"
    & skf18("10","1","2","6","5","4","1") = "9"
    & skf18("10","1","2","6","5","5","1") = "9"
    & skf18("10","1","2","6","5","6","1") = "9"
    & skf18("10","1","2","6","5","7","1") = "9"
    & skf18("10","1","2","6","5","8","1") = "9"
    & skf18("10","1","2","6","5","9","1") = "9"
    & skf18("10","1","2","6","5","10","1") = "9"
    & skf18("10","1","2","6","6","1","1") = "9"
    & skf18("10","1","2","6","6","2","1") = "9"
    & skf18("10","1","2","6","6","3","1") = "9"
    & skf18("10","1","2","6","6","4","1") = "9"
    & skf18("10","1","2","6","6","5","1") = "9"
    & skf18("10","1","2","6","6","6","1") = "9"
    & skf18("10","1","2","6","6","7","1") = "9"
    & skf18("10","1","2","6","6","8","1") = "9"
    & skf18("10","1","2","6","6","9","1") = "9"
    & skf18("10","1","2","6","6","10","1") = "9"
    & skf18("10","1","2","6","7","1","1") = "9"
    & skf18("10","1","2","6","7","2","1") = "9"
    & skf18("10","1","2","6","7","3","1") = "9"
    & skf18("10","1","2","6","7","4","1") = "9"
    & skf18("10","1","2","6","7","5","1") = "9"
    & skf18("10","1","2","6","7","6","1") = "9"
    & skf18("10","1","2","6","7","7","1") = "9"
    & skf18("10","1","2","6","7","8","1") = "9"
    & skf18("10","1","2","6","7","9","1") = "9"
    & skf18("10","1","2","6","7","10","1") = "9"
    & skf18("10","1","2","6","8","1","1") = "9"
    & skf18("10","1","2","6","8","2","1") = "9"
    & skf18("10","1","2","6","8","3","1") = "9"
    & skf18("10","1","2","6","8","4","1") = "9"
    & skf18("10","1","2","6","8","5","1") = "9"
    & skf18("10","1","2","6","8","6","1") = "9"
    & skf18("10","1","2","6","8","7","1") = "9"
    & skf18("10","1","2","6","8","8","1") = "9"
    & skf18("10","1","2","6","8","9","1") = "9"
    & skf18("10","1","2","6","8","10","1") = "9"
    & skf18("10","1","2","6","9","1","1") = "9"
    & skf18("10","1","2","6","9","2","1") = "9"
    & skf18("10","1","2","6","9","3","1") = "9"
    & skf18("10","1","2","6","9","4","1") = "9"
    & skf18("10","1","2","6","9","5","1") = "9"
    & skf18("10","1","2","6","9","6","1") = "9"
    & skf18("10","1","2","6","9","7","1") = "9"
    & skf18("10","1","2","6","9","8","1") = "9"
    & skf18("10","1","2","6","9","9","1") = "9"
    & skf18("10","1","2","6","9","10","1") = "9"
    & skf18("10","1","2","6","10","1","1") = "9"
    & skf18("10","1","2","6","10","2","1") = "9"
    & skf18("10","1","2","6","10","3","1") = "9"
    & skf18("10","1","2","6","10","4","1") = "9"
    & skf18("10","1","2","6","10","5","1") = "9"
    & skf18("10","1","2","6","10","6","1") = "9"
    & skf18("10","1","2","6","10","7","1") = "9"
    & skf18("10","1","2","6","10","8","1") = "9"
    & skf18("10","1","2","6","10","9","1") = "9"
    & skf18("10","1","2","6","10","10","1") = "9"
    & skf18("10","1","2","7","1","1","1") = "9"
    & skf18("10","1","2","7","1","2","1") = "9"
    & skf18("10","1","2","7","1","3","1") = "9"
    & skf18("10","1","2","7","1","4","1") = "9"
    & skf18("10","1","2","7","1","5","1") = "9"
    & skf18("10","1","2","7","1","6","1") = "9"
    & skf18("10","1","2","7","1","7","1") = "9"
    & skf18("10","1","2","7","1","8","1") = "9"
    & skf18("10","1","2","7","1","9","1") = "9"
    & skf18("10","1","2","7","1","10","1") = "9"
    & skf18("10","1","2","7","2","1","1") = "9"
    & skf18("10","1","2","7","2","2","1") = "9"
    & skf18("10","1","2","7","2","3","1") = "9"
    & skf18("10","1","2","7","2","4","1") = "9"
    & skf18("10","1","2","7","2","5","1") = "9"
    & skf18("10","1","2","7","2","6","1") = "9"
    & skf18("10","1","2","7","2","7","1") = "9"
    & skf18("10","1","2","7","2","8","1") = "9"
    & skf18("10","1","2","7","2","9","1") = "9"
    & skf18("10","1","2","7","2","10","1") = "9"
    & skf18("10","1","2","7","3","1","1") = "9"
    & skf18("10","1","2","7","3","2","1") = "9"
    & skf18("10","1","2","7","3","3","1") = "9"
    & skf18("10","1","2","7","3","4","1") = "9"
    & skf18("10","1","2","7","3","5","1") = "9"
    & skf18("10","1","2","7","3","6","1") = "9"
    & skf18("10","1","2","7","3","7","1") = "9"
    & skf18("10","1","2","7","3","8","1") = "9"
    & skf18("10","1","2","7","3","9","1") = "9"
    & skf18("10","1","2","7","3","10","1") = "9"
    & skf18("10","1","2","7","4","1","1") = "9"
    & skf18("10","1","2","7","4","2","1") = "9"
    & skf18("10","1","2","7","4","3","1") = "9"
    & skf18("10","1","2","7","4","4","1") = "9"
    & skf18("10","1","2","7","4","5","1") = "9"
    & skf18("10","1","2","7","4","6","1") = "9"
    & skf18("10","1","2","7","4","7","1") = "9"
    & skf18("10","1","2","7","4","8","1") = "9"
    & skf18("10","1","2","7","4","9","1") = "9"
    & skf18("10","1","2","7","4","10","1") = "9"
    & skf18("10","1","2","7","5","1","1") = "9"
    & skf18("10","1","2","7","5","2","1") = "9"
    & skf18("10","1","2","7","5","3","1") = "9"
    & skf18("10","1","2","7","5","4","1") = "9"
    & skf18("10","1","2","7","5","5","1") = "9"
    & skf18("10","1","2","7","5","6","1") = "9"
    & skf18("10","1","2","7","5","7","1") = "9"
    & skf18("10","1","2","7","5","8","1") = "9"
    & skf18("10","1","2","7","5","9","1") = "9"
    & skf18("10","1","2","7","5","10","1") = "9"
    & skf18("10","1","2","7","6","1","1") = "9"
    & skf18("10","1","2","7","6","2","1") = "9"
    & skf18("10","1","2","7","6","3","1") = "9"
    & skf18("10","1","2","7","6","4","1") = "9"
    & skf18("10","1","2","7","6","5","1") = "9"
    & skf18("10","1","2","7","6","6","1") = "9"
    & skf18("10","1","2","7","6","7","1") = "9"
    & skf18("10","1","2","7","6","8","1") = "9"
    & skf18("10","1","2","7","6","9","1") = "9"
    & skf18("10","1","2","7","6","10","1") = "9"
    & skf18("10","1","2","7","7","1","1") = "9"
    & skf18("10","1","2","7","7","2","1") = "9"
    & skf18("10","1","2","7","7","3","1") = "9"
    & skf18("10","1","2","7","7","4","1") = "9"
    & skf18("10","1","2","7","7","5","1") = "9"
    & skf18("10","1","2","7","7","6","1") = "9"
    & skf18("10","1","2","7","7","7","1") = "9"
    & skf18("10","1","2","7","7","8","1") = "9"
    & skf18("10","1","2","7","7","9","1") = "9"
    & skf18("10","1","2","7","7","10","1") = "9"
    & skf18("10","1","2","7","8","1","1") = "9"
    & skf18("10","1","2","7","8","2","1") = "9"
    & skf18("10","1","2","7","8","3","1") = "9"
    & skf18("10","1","2","7","8","4","1") = "9"
    & skf18("10","1","2","7","8","5","1") = "9"
    & skf18("10","1","2","7","8","6","1") = "9"
    & skf18("10","1","2","7","8","7","1") = "9"
    & skf18("10","1","2","7","8","8","1") = "9"
    & skf18("10","1","2","7","8","9","1") = "9"
    & skf18("10","1","2","7","8","10","1") = "9"
    & skf18("10","1","2","7","9","1","1") = "9"
    & skf18("10","1","2","7","9","2","1") = "9"
    & skf18("10","1","2","7","9","3","1") = "9"
    & skf18("10","1","2","7","9","4","1") = "9"
    & skf18("10","1","2","7","9","5","1") = "9"
    & skf18("10","1","2","7","9","6","1") = "9"
    & skf18("10","1","2","7","9","7","1") = "9"
    & skf18("10","1","2","7","9","8","1") = "9"
    & skf18("10","1","2","7","9","9","1") = "9"
    & skf18("10","1","2","7","9","10","1") = "9"
    & skf18("10","1","2","7","10","1","1") = "9"
    & skf18("10","1","2","7","10","2","1") = "9"
    & skf18("10","1","2","7","10","3","1") = "9"
    & skf18("10","1","2","7","10","4","1") = "9"
    & skf18("10","1","2","7","10","5","1") = "9"
    & skf18("10","1","2","7","10","6","1") = "9"
    & skf18("10","1","2","7","10","7","1") = "9"
    & skf18("10","1","2","7","10","8","1") = "9"
    & skf18("10","1","2","7","10","9","1") = "9"
    & skf18("10","1","2","7","10","10","1") = "9"
    & skf18("10","1","2","8","1","1","1") = "9"
    & skf18("10","1","2","8","1","2","1") = "9"
    & skf18("10","1","2","8","1","3","1") = "9"
    & skf18("10","1","2","8","1","4","1") = "9"
    & skf18("10","1","2","8","1","5","1") = "9"
    & skf18("10","1","2","8","1","6","1") = "9"
    & skf18("10","1","2","8","1","7","1") = "9"
    & skf18("10","1","2","8","1","8","1") = "9"
    & skf18("10","1","2","8","1","9","1") = "9"
    & skf18("10","1","2","8","1","10","1") = "9"
    & skf18("10","1","2","8","2","1","1") = "9"
    & skf18("10","1","2","8","2","2","1") = "9"
    & skf18("10","1","2","8","2","3","1") = "9"
    & skf18("10","1","2","8","2","4","1") = "9"
    & skf18("10","1","2","8","2","5","1") = "9"
    & skf18("10","1","2","8","2","6","1") = "9"
    & skf18("10","1","2","8","2","7","1") = "9"
    & skf18("10","1","2","8","2","8","1") = "9"
    & skf18("10","1","2","8","2","9","1") = "9"
    & skf18("10","1","2","8","2","10","1") = "9"
    & skf18("10","1","2","8","3","1","1") = "9"
    & skf18("10","1","2","8","3","2","1") = "9"
    & skf18("10","1","2","8","3","3","1") = "9"
    & skf18("10","1","2","8","3","4","1") = "9"
    & skf18("10","1","2","8","3","5","1") = "9"
    & skf18("10","1","2","8","3","6","1") = "9"
    & skf18("10","1","2","8","3","7","1") = "9"
    & skf18("10","1","2","8","3","8","1") = "9"
    & skf18("10","1","2","8","3","9","1") = "9"
    & skf18("10","1","2","8","3","10","1") = "9"
    & skf18("10","1","2","8","4","1","1") = "9"
    & skf18("10","1","2","8","4","2","1") = "9"
    & skf18("10","1","2","8","4","3","1") = "9"
    & skf18("10","1","2","8","4","4","1") = "9"
    & skf18("10","1","2","8","4","5","1") = "9"
    & skf18("10","1","2","8","4","6","1") = "9"
    & skf18("10","1","2","8","4","7","1") = "9"
    & skf18("10","1","2","8","4","8","1") = "9"
    & skf18("10","1","2","8","4","9","1") = "9"
    & skf18("10","1","2","8","4","10","1") = "9"
    & skf18("10","1","2","8","5","1","1") = "9"
    & skf18("10","1","2","8","5","2","1") = "9"
    & skf18("10","1","2","8","5","3","1") = "9"
    & skf18("10","1","2","8","5","4","1") = "9"
    & skf18("10","1","2","8","5","5","1") = "9"
    & skf18("10","1","2","8","5","6","1") = "9"
    & skf18("10","1","2","8","5","7","1") = "9"
    & skf18("10","1","2","8","5","8","1") = "9"
    & skf18("10","1","2","8","5","9","1") = "9"
    & skf18("10","1","2","8","5","10","1") = "9"
    & skf18("10","1","2","8","6","1","1") = "9"
    & skf18("10","1","2","8","6","2","1") = "9"
    & skf18("10","1","2","8","6","3","1") = "9"
    & skf18("10","1","2","8","6","4","1") = "9"
    & skf18("10","1","2","8","6","5","1") = "9"
    & skf18("10","1","2","8","6","6","1") = "9"
    & skf18("10","1","2","8","6","7","1") = "9"
    & skf18("10","1","2","8","6","8","1") = "9"
    & skf18("10","1","2","8","6","9","1") = "9"
    & skf18("10","1","2","8","6","10","1") = "9"
    & skf18("10","1","2","8","7","1","1") = "9"
    & skf18("10","1","2","8","7","2","1") = "9"
    & skf18("10","1","2","8","7","3","1") = "9"
    & skf18("10","1","2","8","7","4","1") = "9"
    & skf18("10","1","2","8","7","5","1") = "9"
    & skf18("10","1","2","8","7","6","1") = "9"
    & skf18("10","1","2","8","7","7","1") = "9"
    & skf18("10","1","2","8","7","8","1") = "9"
    & skf18("10","1","2","8","7","9","1") = "9"
    & skf18("10","1","2","8","7","10","1") = "9"
    & skf18("10","1","2","8","8","1","1") = "9"
    & skf18("10","1","2","8","8","2","1") = "9"
    & skf18("10","1","2","8","8","3","1") = "9"
    & skf18("10","1","2","8","8","4","1") = "9"
    & skf18("10","1","2","8","8","5","1") = "9"
    & skf18("10","1","2","8","8","6","1") = "9"
    & skf18("10","1","2","8","8","7","1") = "9"
    & skf18("10","1","2","8","8","8","1") = "9"
    & skf18("10","1","2","8","8","9","1") = "9"
    & skf18("10","1","2","8","8","10","1") = "9"
    & skf18("10","1","2","8","9","1","1") = "9"
    & skf18("10","1","2","8","9","2","1") = "9"
    & skf18("10","1","2","8","9","3","1") = "9"
    & skf18("10","1","2","8","9","4","1") = "9"
    & skf18("10","1","2","8","9","5","1") = "9"
    & skf18("10","1","2","8","9","6","1") = "9"
    & skf18("10","1","2","8","9","7","1") = "9"
    & skf18("10","1","2","8","9","8","1") = "9"
    & skf18("10","1","2","8","9","9","1") = "9"
    & skf18("10","1","2","8","9","10","1") = "9"
    & skf18("10","1","2","8","10","1","1") = "9"
    & skf18("10","1","2","8","10","2","1") = "9"
    & skf18("10","1","2","8","10","3","1") = "9"
    & skf18("10","1","2","8","10","4","1") = "9"
    & skf18("10","1","2","8","10","5","1") = "9"
    & skf18("10","1","2","8","10","6","1") = "9"
    & skf18("10","1","2","8","10","7","1") = "9"
    & skf18("10","1","2","8","10","8","1") = "9"
    & skf18("10","1","2","8","10","9","1") = "9"
    & skf18("10","1","2","8","10","10","1") = "9"
    & skf18("10","1","2","9","1","1","1") = "9"
    & skf18("10","1","2","9","1","2","1") = "9"
    & skf18("10","1","2","9","1","3","1") = "9"
    & skf18("10","1","2","9","1","4","1") = "9"
    & skf18("10","1","2","9","1","5","1") = "9"
    & skf18("10","1","2","9","1","6","1") = "9"
    & skf18("10","1","2","9","1","7","1") = "9"
    & skf18("10","1","2","9","1","8","1") = "9"
    & skf18("10","1","2","9","1","9","1") = "9"
    & skf18("10","1","2","9","1","10","1") = "9"
    & skf18("10","1","2","9","2","1","1") = "9"
    & skf18("10","1","2","9","2","2","1") = "9"
    & skf18("10","1","2","9","2","3","1") = "9"
    & skf18("10","1","2","9","2","4","1") = "9"
    & skf18("10","1","2","9","2","5","1") = "9"
    & skf18("10","1","2","9","2","6","1") = "9"
    & skf18("10","1","2","9","2","7","1") = "9"
    & skf18("10","1","2","9","2","8","1") = "9"
    & skf18("10","1","2","9","2","9","1") = "9"
    & skf18("10","1","2","9","2","10","1") = "9"
    & skf18("10","1","2","9","3","1","1") = "9"
    & skf18("10","1","2","9","3","2","1") = "9"
    & skf18("10","1","2","9","3","3","1") = "9"
    & skf18("10","1","2","9","3","4","1") = "9"
    & skf18("10","1","2","9","3","5","1") = "9"
    & skf18("10","1","2","9","3","6","1") = "9"
    & skf18("10","1","2","9","3","7","1") = "9"
    & skf18("10","1","2","9","3","8","1") = "9"
    & skf18("10","1","2","9","3","9","1") = "9"
    & skf18("10","1","2","9","3","10","1") = "9"
    & skf18("10","1","2","9","4","1","1") = "9"
    & skf18("10","1","2","9","4","2","1") = "9"
    & skf18("10","1","2","9","4","3","1") = "9"
    & skf18("10","1","2","9","4","4","1") = "9"
    & skf18("10","1","2","9","4","5","1") = "9"
    & skf18("10","1","2","9","4","6","1") = "9"
    & skf18("10","1","2","9","4","7","1") = "9"
    & skf18("10","1","2","9","4","8","1") = "9"
    & skf18("10","1","2","9","4","9","1") = "9"
    & skf18("10","1","2","9","4","10","1") = "9"
    & skf18("10","1","2","9","5","1","1") = "9"
    & skf18("10","1","2","9","5","2","1") = "9"
    & skf18("10","1","2","9","5","3","1") = "9"
    & skf18("10","1","2","9","5","4","1") = "9"
    & skf18("10","1","2","9","5","5","1") = "9"
    & skf18("10","1","2","9","5","6","1") = "9"
    & skf18("10","1","2","9","5","7","1") = "9"
    & skf18("10","1","2","9","5","8","1") = "9"
    & skf18("10","1","2","9","5","9","1") = "9"
    & skf18("10","1","2","9","5","10","1") = "9"
    & skf18("10","1","2","9","6","1","1") = "9"
    & skf18("10","1","2","9","6","2","1") = "9"
    & skf18("10","1","2","9","6","3","1") = "9"
    & skf18("10","1","2","9","6","4","1") = "9"
    & skf18("10","1","2","9","6","5","1") = "9"
    & skf18("10","1","2","9","6","6","1") = "9"
    & skf18("10","1","2","9","6","7","1") = "9"
    & skf18("10","1","2","9","6","8","1") = "9"
    & skf18("10","1","2","9","6","9","1") = "9"
    & skf18("10","1","2","9","6","10","1") = "9"
    & skf18("10","1","2","9","7","1","1") = "9"
    & skf18("10","1","2","9","7","2","1") = "9"
    & skf18("10","1","2","9","7","3","1") = "9"
    & skf18("10","1","2","9","7","4","1") = "9"
    & skf18("10","1","2","9","7","5","1") = "9"
    & skf18("10","1","2","9","7","6","1") = "9"
    & skf18("10","1","2","9","7","7","1") = "9"
    & skf18("10","1","2","9","7","8","1") = "9"
    & skf18("10","1","2","9","7","9","1") = "9"
    & skf18("10","1","2","9","7","10","1") = "9"
    & skf18("10","1","2","9","8","1","1") = "9"
    & skf18("10","1","2","9","8","2","1") = "9"
    & skf18("10","1","2","9","8","3","1") = "9"
    & skf18("10","1","2","9","8","4","1") = "9"
    & skf18("10","1","2","9","8","5","1") = "9"
    & skf18("10","1","2","9","8","6","1") = "9"
    & skf18("10","1","2","9","8","7","1") = "9"
    & skf18("10","1","2","9","8","8","1") = "9"
    & skf18("10","1","2","9","8","9","1") = "9"
    & skf18("10","1","2","9","8","10","1") = "9"
    & skf18("10","1","2","9","9","1","1") = "9"
    & skf18("10","1","2","9","9","2","1") = "9"
    & skf18("10","1","2","9","9","3","1") = "9"
    & skf18("10","1","2","9","9","4","1") = "9"
    & skf18("10","1","2","9","9","5","1") = "9"
    & skf18("10","1","2","9","9","6","1") = "9"
    & skf18("10","1","2","9","9","7","1") = "9"
    & skf18("10","1","2","9","9","8","1") = "9"
    & skf18("10","1","2","9","9","9","1") = "9"
    & skf18("10","1","2","9","9","10","1") = "9"
    & skf18("10","1","2","9","10","1","1") = "9"
    & skf18("10","1","2","9","10","2","1") = "9"
    & skf18("10","1","2","9","10","3","1") = "9"
    & skf18("10","1","2","9","10","4","1") = "9"
    & skf18("10","1","2","9","10","5","1") = "9"
    & skf18("10","1","2","9","10","6","1") = "9"
    & skf18("10","1","2","9","10","7","1") = "9"
    & skf18("10","1","2","9","10","8","1") = "9"
    & skf18("10","1","2","9","10","9","1") = "9"
    & skf18("10","1","2","9","10","10","1") = "9"
    & skf18("10","1","2","10","1","1","1") = "9"
    & skf18("10","1","2","10","1","2","1") = "9"
    & skf18("10","1","2","10","1","3","1") = "9"
    & skf18("10","1","2","10","1","4","1") = "9"
    & skf18("10","1","2","10","1","5","1") = "9"
    & skf18("10","1","2","10","1","6","1") = "9"
    & skf18("10","1","2","10","1","7","1") = "9"
    & skf18("10","1","2","10","1","8","1") = "9"
    & skf18("10","1","2","10","1","9","1") = "9"
    & skf18("10","1","2","10","1","10","1") = "9"
    & skf18("10","1","2","10","2","1","1") = "9"
    & skf18("10","1","2","10","2","2","1") = "9"
    & skf18("10","1","2","10","2","3","1") = "9"
    & skf18("10","1","2","10","2","4","1") = "9"
    & skf18("10","1","2","10","2","5","1") = "9"
    & skf18("10","1","2","10","2","6","1") = "9"
    & skf18("10","1","2","10","2","7","1") = "9"
    & skf18("10","1","2","10","2","8","1") = "9"
    & skf18("10","1","2","10","2","9","1") = "9"
    & skf18("10","1","2","10","2","10","1") = "9"
    & skf18("10","1","2","10","3","1","1") = "9"
    & skf18("10","1","2","10","3","2","1") = "9"
    & skf18("10","1","2","10","3","3","1") = "9"
    & skf18("10","1","2","10","3","4","1") = "9"
    & skf18("10","1","2","10","3","5","1") = "9"
    & skf18("10","1","2","10","3","6","1") = "9"
    & skf18("10","1","2","10","3","7","1") = "9"
    & skf18("10","1","2","10","3","8","1") = "9"
    & skf18("10","1","2","10","3","9","1") = "9"
    & skf18("10","1","2","10","3","10","1") = "9"
    & skf18("10","1","2","10","4","1","1") = "9"
    & skf18("10","1","2","10","4","2","1") = "9"
    & skf18("10","1","2","10","4","3","1") = "9"
    & skf18("10","1","2","10","4","4","1") = "9"
    & skf18("10","1","2","10","4","5","1") = "9"
    & skf18("10","1","2","10","4","6","1") = "9"
    & skf18("10","1","2","10","4","7","1") = "9"
    & skf18("10","1","2","10","4","8","1") = "9"
    & skf18("10","1","2","10","4","9","1") = "9"
    & skf18("10","1","2","10","4","10","1") = "9"
    & skf18("10","1","2","10","5","1","1") = "9"
    & skf18("10","1","2","10","5","2","1") = "9"
    & skf18("10","1","2","10","5","3","1") = "9"
    & skf18("10","1","2","10","5","4","1") = "9"
    & skf18("10","1","2","10","5","5","1") = "9"
    & skf18("10","1","2","10","5","6","1") = "9"
    & skf18("10","1","2","10","5","7","1") = "9"
    & skf18("10","1","2","10","5","8","1") = "9"
    & skf18("10","1","2","10","5","9","1") = "9"
    & skf18("10","1","2","10","5","10","1") = "9"
    & skf18("10","1","2","10","6","1","1") = "9"
    & skf18("10","1","2","10","6","2","1") = "9"
    & skf18("10","1","2","10","6","3","1") = "9"
    & skf18("10","1","2","10","6","4","1") = "9"
    & skf18("10","1","2","10","6","5","1") = "9"
    & skf18("10","1","2","10","6","6","1") = "9"
    & skf18("10","1","2","10","6","7","1") = "9"
    & skf18("10","1","2","10","6","8","1") = "9"
    & skf18("10","1","2","10","6","9","1") = "9"
    & skf18("10","1","2","10","6","10","1") = "9"
    & skf18("10","1","2","10","7","1","1") = "9"
    & skf18("10","1","2","10","7","2","1") = "9"
    & skf18("10","1","2","10","7","3","1") = "9"
    & skf18("10","1","2","10","7","4","1") = "9"
    & skf18("10","1","2","10","7","5","1") = "9"
    & skf18("10","1","2","10","7","6","1") = "9"
    & skf18("10","1","2","10","7","7","1") = "9"
    & skf18("10","1","2","10","7","8","1") = "9"
    & skf18("10","1","2","10","7","9","1") = "9"
    & skf18("10","1","2","10","7","10","1") = "9"
    & skf18("10","1","2","10","8","1","1") = "9"
    & skf18("10","1","2","10","8","2","1") = "9"
    & skf18("10","1","2","10","8","3","1") = "9"
    & skf18("10","1","2","10","8","4","1") = "9"
    & skf18("10","1","2","10","8","5","1") = "9"
    & skf18("10","1","2","10","8","6","1") = "9"
    & skf18("10","1","2","10","8","7","1") = "9"
    & skf18("10","1","2","10","8","8","1") = "9"
    & skf18("10","1","2","10","8","9","1") = "9"
    & skf18("10","1","2","10","8","10","1") = "9"
    & skf18("10","1","2","10","9","1","1") = "9"
    & skf18("10","1","2","10","9","2","1") = "9"
    & skf18("10","1","2","10","9","3","1") = "9"
    & skf18("10","1","2","10","9","4","1") = "9"
    & skf18("10","1","2","10","9","5","1") = "9"
    & skf18("10","1","2","10","9","6","1") = "9"
    & skf18("10","1","2","10","9","7","1") = "9"
    & skf18("10","1","2","10","9","8","1") = "9"
    & skf18("10","1","2","10","9","9","1") = "9"
    & skf18("10","1","2","10","9","10","1") = "9"
    & skf18("10","1","2","10","10","1","1") = "9"
    & skf18("10","1","2","10","10","2","1") = "9"
    & skf18("10","1","2","10","10","3","1") = "9"
    & skf18("10","1","2","10","10","4","1") = "9"
    & skf18("10","1","2","10","10","5","1") = "9"
    & skf18("10","1","2","10","10","6","1") = "9"
    & skf18("10","1","2","10","10","7","1") = "9"
    & skf18("10","1","2","10","10","8","1") = "9"
    & skf18("10","1","2","10","10","9","1") = "9"
    & skf18("10","1","2","10","10","10","1") = "9"
    & skf18("10","1","3","1","1","1","1") = "9"
    & skf18("10","1","3","1","1","2","1") = "9"
    & skf18("10","1","3","1","1","3","1") = "9"
    & skf18("10","1","3","1","1","4","1") = "9"
    & skf18("10","1","3","1","1","5","1") = "9"
    & skf18("10","1","3","1","1","6","1") = "9"
    & skf18("10","1","3","1","1","7","1") = "9"
    & skf18("10","1","3","1","1","8","1") = "9"
    & skf18("10","1","3","1","1","9","1") = "9"
    & skf18("10","1","3","1","1","10","1") = "9"
    & skf18("10","1","3","1","2","1","1") = "9"
    & skf18("10","1","3","1","2","2","1") = "9"
    & skf18("10","1","3","1","2","3","1") = "9"
    & skf18("10","1","3","1","2","4","1") = "9"
    & skf18("10","1","3","1","2","5","1") = "9"
    & skf18("10","1","3","1","2","6","1") = "9"
    & skf18("10","1","3","1","2","7","1") = "9"
    & skf18("10","1","3","1","2","8","1") = "9"
    & skf18("10","1","3","1","2","9","1") = "9"
    & skf18("10","1","3","1","2","10","1") = "9"
    & skf18("10","1","3","1","3","1","1") = "9"
    & skf18("10","1","3","1","3","2","1") = "9"
    & skf18("10","1","3","1","3","3","1") = "9"
    & skf18("10","1","3","1","3","4","1") = "9"
    & skf18("10","1","3","1","3","5","1") = "9"
    & skf18("10","1","3","1","3","6","1") = "9"
    & skf18("10","1","3","1","3","7","1") = "9"
    & skf18("10","1","3","1","3","8","1") = "9"
    & skf18("10","1","3","1","3","9","1") = "9"
    & skf18("10","1","3","1","3","10","1") = "9"
    & skf18("10","1","3","1","4","1","1") = "9"
    & skf18("10","1","3","1","4","2","1") = "9"
    & skf18("10","1","3","1","4","3","1") = "9"
    & skf18("10","1","3","1","4","4","1") = "9"
    & skf18("10","1","3","1","4","5","1") = "9"
    & skf18("10","1","3","1","4","6","1") = "9"
    & skf18("10","1","3","1","4","7","1") = "9"
    & skf18("10","1","3","1","4","8","1") = "9"
    & skf18("10","1","3","1","4","9","1") = "9"
    & skf18("10","1","3","1","4","10","1") = "9"
    & skf18("10","1","3","1","5","1","1") = "9"
    & skf18("10","1","3","1","5","2","1") = "9"
    & skf18("10","1","3","1","5","3","1") = "9"
    & skf18("10","1","3","1","5","4","1") = "9"
    & skf18("10","1","3","1","5","5","1") = "9"
    & skf18("10","1","3","1","5","6","1") = "9"
    & skf18("10","1","3","1","5","7","1") = "9"
    & skf18("10","1","3","1","5","8","1") = "9"
    & skf18("10","1","3","1","5","9","1") = "9"
    & skf18("10","1","3","1","5","10","1") = "9"
    & skf18("10","1","3","1","6","1","1") = "9"
    & skf18("10","1","3","1","6","2","1") = "9"
    & skf18("10","1","3","1","6","3","1") = "9"
    & skf18("10","1","3","1","6","4","1") = "9"
    & skf18("10","1","3","1","6","5","1") = "9"
    & skf18("10","1","3","1","6","6","1") = "9"
    & skf18("10","1","3","1","6","7","1") = "9"
    & skf18("10","1","3","1","6","8","1") = "9"
    & skf18("10","1","3","1","6","9","1") = "9"
    & skf18("10","1","3","1","6","10","1") = "9"
    & skf18("10","1","3","1","7","1","1") = "9"
    & skf18("10","1","3","1","7","2","1") = "9"
    & skf18("10","1","3","1","7","3","1") = "9"
    & skf18("10","1","3","1","7","4","1") = "9"
    & skf18("10","1","3","1","7","5","1") = "9"
    & skf18("10","1","3","1","7","6","1") = "9"
    & skf18("10","1","3","1","7","7","1") = "9"
    & skf18("10","1","3","1","7","8","1") = "9"
    & skf18("10","1","3","1","7","9","1") = "9"
    & skf18("10","1","3","1","7","10","1") = "9"
    & skf18("10","1","3","1","8","1","1") = "9"
    & skf18("10","1","3","1","8","2","1") = "9"
    & skf18("10","1","3","1","8","3","1") = "9"
    & skf18("10","1","3","1","8","4","1") = "9"
    & skf18("10","1","3","1","8","5","1") = "9"
    & skf18("10","1","3","1","8","6","1") = "9"
    & skf18("10","1","3","1","8","7","1") = "9"
    & skf18("10","1","3","1","8","8","1") = "9"
    & skf18("10","1","3","1","8","9","1") = "9"
    & skf18("10","1","3","1","8","10","1") = "9"
    & skf18("10","1","3","1","9","1","1") = "9"
    & skf18("10","1","3","1","9","2","1") = "9"
    & skf18("10","1","3","1","9","3","1") = "9"
    & skf18("10","1","3","1","9","4","1") = "9"
    & skf18("10","1","3","1","9","5","1") = "9"
    & skf18("10","1","3","1","9","6","1") = "9"
    & skf18("10","1","3","1","9","7","1") = "9"
    & skf18("10","1","3","1","9","8","1") = "9"
    & skf18("10","1","3","1","9","9","1") = "9"
    & skf18("10","1","3","1","9","10","1") = "9"
    & skf18("10","1","3","1","10","1","1") = "9"
    & skf18("10","1","3","1","10","2","1") = "9"
    & skf18("10","1","3","1","10","3","1") = "9"
    & skf18("10","1","3","1","10","4","1") = "9"
    & skf18("10","1","3","1","10","5","1") = "9"
    & skf18("10","1","3","1","10","6","1") = "9"
    & skf18("10","1","3","1","10","7","1") = "9"
    & skf18("10","1","3","1","10","8","1") = "9"
    & skf18("10","1","3","1","10","9","1") = "9"
    & skf18("10","1","3","1","10","10","1") = "9"
    & skf18("10","1","3","2","1","1","1") = "9"
    & skf18("10","1","3","2","1","2","1") = "9"
    & skf18("10","1","3","2","1","3","1") = "9"
    & skf18("10","1","3","2","1","4","1") = "9"
    & skf18("10","1","3","2","1","5","1") = "9"
    & skf18("10","1","3","2","1","6","1") = "9"
    & skf18("10","1","3","2","1","7","1") = "9"
    & skf18("10","1","3","2","1","8","1") = "9"
    & skf18("10","1","3","2","1","9","1") = "9"
    & skf18("10","1","3","2","1","10","1") = "9"
    & skf18("10","1","3","2","2","1","1") = "9"
    & skf18("10","1","3","2","2","2","1") = "9"
    & skf18("10","1","3","2","2","3","1") = "9"
    & skf18("10","1","3","2","2","4","1") = "9"
    & skf18("10","1","3","2","2","5","1") = "9"
    & skf18("10","1","3","2","2","6","1") = "9"
    & skf18("10","1","3","2","2","7","1") = "9"
    & skf18("10","1","3","2","2","8","1") = "9"
    & skf18("10","1","3","2","2","9","1") = "9"
    & skf18("10","1","3","2","2","10","1") = "9"
    & skf18("10","1","3","2","3","1","1") = "9"
    & skf18("10","1","3","2","3","2","1") = "9"
    & skf18("10","1","3","2","3","3","1") = "9"
    & skf18("10","1","3","2","3","4","1") = "9"
    & skf18("10","1","3","2","3","5","1") = "9"
    & skf18("10","1","3","2","3","6","1") = "9"
    & skf18("10","1","3","2","3","7","1") = "9"
    & skf18("10","1","3","2","3","8","1") = "9"
    & skf18("10","1","3","2","3","9","1") = "9"
    & skf18("10","1","3","2","3","10","1") = "9"
    & skf18("10","1","3","2","4","1","1") = "9"
    & skf18("10","1","3","2","4","2","1") = "9"
    & skf18("10","1","3","2","4","3","1") = "9"
    & skf18("10","1","3","2","4","4","1") = "9"
    & skf18("10","1","3","2","4","5","1") = "9"
    & skf18("10","1","3","2","4","6","1") = "9"
    & skf18("10","1","3","2","4","7","1") = "9"
    & skf18("10","1","3","2","4","8","1") = "9"
    & skf18("10","1","3","2","4","9","1") = "9"
    & skf18("10","1","3","2","4","10","1") = "9"
    & skf18("10","1","3","2","5","1","1") = "9"
    & skf18("10","1","3","2","5","2","1") = "9"
    & skf18("10","1","3","2","5","3","1") = "9"
    & skf18("10","1","3","2","5","4","1") = "9"
    & skf18("10","1","3","2","5","5","1") = "9"
    & skf18("10","1","3","2","5","6","1") = "9"
    & skf18("10","1","3","2","5","7","1") = "9"
    & skf18("10","1","3","2","5","8","1") = "9"
    & skf18("10","1","3","2","5","9","1") = "9"
    & skf18("10","1","3","2","5","10","1") = "9"
    & skf18("10","1","3","2","6","1","1") = "9"
    & skf18("10","1","3","2","6","2","1") = "9"
    & skf18("10","1","3","2","6","3","1") = "9"
    & skf18("10","1","3","2","6","4","1") = "9"
    & skf18("10","1","3","2","6","5","1") = "9"
    & skf18("10","1","3","2","6","6","1") = "9"
    & skf18("10","1","3","2","6","7","1") = "9"
    & skf18("10","1","3","2","6","8","1") = "9"
    & skf18("10","1","3","2","6","9","1") = "9"
    & skf18("10","1","3","2","6","10","1") = "9"
    & skf18("10","1","3","2","7","1","1") = "9"
    & skf18("10","1","3","2","7","2","1") = "9"
    & skf18("10","1","3","2","7","3","1") = "9"
    & skf18("10","1","3","2","7","4","1") = "9"
    & skf18("10","1","3","2","7","5","1") = "9"
    & skf18("10","1","3","2","7","6","1") = "9"
    & skf18("10","1","3","2","7","7","1") = "9"
    & skf18("10","1","3","2","7","8","1") = "9"
    & skf18("10","1","3","2","7","9","1") = "9"
    & skf18("10","1","3","2","7","10","1") = "9"
    & skf18("10","1","3","2","8","1","1") = "9"
    & skf18("10","1","3","2","8","2","1") = "9"
    & skf18("10","1","3","2","8","3","1") = "9"
    & skf18("10","1","3","2","8","4","1") = "9"
    & skf18("10","1","3","2","8","5","1") = "9"
    & skf18("10","1","3","2","8","6","1") = "9"
    & skf18("10","1","3","2","8","7","1") = "9"
    & skf18("10","1","3","2","8","8","1") = "9"
    & skf18("10","1","3","2","8","9","1") = "9"
    & skf18("10","1","3","2","8","10","1") = "9"
    & skf18("10","1","3","2","9","1","1") = "9"
    & skf18("10","1","3","2","9","2","1") = "9"
    & skf18("10","1","3","2","9","3","1") = "9"
    & skf18("10","1","3","2","9","4","1") = "9"
    & skf18("10","1","3","2","9","5","1") = "9"
    & skf18("10","1","3","2","9","6","1") = "9"
    & skf18("10","1","3","2","9","7","1") = "9"
    & skf18("10","1","3","2","9","8","1") = "9"
    & skf18("10","1","3","2","9","9","1") = "9"
    & skf18("10","1","3","2","9","10","1") = "9"
    & skf18("10","1","3","2","10","1","1") = "9"
    & skf18("10","1","3","2","10","2","1") = "9"
    & skf18("10","1","3","2","10","3","1") = "9"
    & skf18("10","1","3","2","10","4","1") = "9"
    & skf18("10","1","3","2","10","5","1") = "9"
    & skf18("10","1","3","2","10","6","1") = "9"
    & skf18("10","1","3","2","10","7","1") = "9"
    & skf18("10","1","3","2","10","8","1") = "9"
    & skf18("10","1","3","2","10","9","1") = "9"
    & skf18("10","1","3","2","10","10","1") = "9"
    & skf18("10","1","3","3","1","1","1") = "9"
    & skf18("10","1","3","3","1","2","1") = "9"
    & skf18("10","1","3","3","1","3","1") = "9"
    & skf18("10","1","3","3","1","4","1") = "9"
    & skf18("10","1","3","3","1","5","1") = "9"
    & skf18("10","1","3","3","1","6","1") = "9"
    & skf18("10","1","3","3","1","7","1") = "9"
    & skf18("10","1","3","3","1","8","1") = "9"
    & skf18("10","1","3","3","1","9","1") = "9"
    & skf18("10","1","3","3","1","10","1") = "9"
    & skf18("10","1","3","3","2","1","1") = "9"
    & skf18("10","1","3","3","2","2","1") = "9"
    & skf18("10","1","3","3","2","3","1") = "9"
    & skf18("10","1","3","3","2","4","1") = "9"
    & skf18("10","1","3","3","2","5","1") = "9"
    & skf18("10","1","3","3","2","6","1") = "9"
    & skf18("10","1","3","3","2","7","1") = "9"
    & skf18("10","1","3","3","2","8","1") = "9"
    & skf18("10","1","3","3","2","9","1") = "9"
    & skf18("10","1","3","3","2","10","1") = "9"
    & skf18("10","1","3","3","3","1","1") = "9"
    & skf18("10","1","3","3","3","2","1") = "9"
    & skf18("10","1","3","3","3","3","1") = "9"
    & skf18("10","1","3","3","3","4","1") = "9"
    & skf18("10","1","3","3","3","5","1") = "9"
    & skf18("10","1","3","3","3","6","1") = "9"
    & skf18("10","1","3","3","3","7","1") = "9"
    & skf18("10","1","3","3","3","8","1") = "9"
    & skf18("10","1","3","3","3","9","1") = "9"
    & skf18("10","1","3","3","3","10","1") = "9"
    & skf18("10","1","3","3","4","1","1") = "9"
    & skf18("10","1","3","3","4","2","1") = "9"
    & skf18("10","1","3","3","4","3","1") = "9"
    & skf18("10","1","3","3","4","4","1") = "9"
    & skf18("10","1","3","3","4","5","1") = "9"
    & skf18("10","1","3","3","4","6","1") = "9"
    & skf18("10","1","3","3","4","7","1") = "9"
    & skf18("10","1","3","3","4","8","1") = "9"
    & skf18("10","1","3","3","4","9","1") = "9"
    & skf18("10","1","3","3","4","10","1") = "9"
    & skf18("10","1","3","3","5","1","1") = "9"
    & skf18("10","1","3","3","5","2","1") = "9"
    & skf18("10","1","3","3","5","3","1") = "9"
    & skf18("10","1","3","3","5","4","1") = "9"
    & skf18("10","1","3","3","5","5","1") = "9"
    & skf18("10","1","3","3","5","6","1") = "9"
    & skf18("10","1","3","3","5","7","1") = "9"
    & skf18("10","1","3","3","5","8","1") = "9"
    & skf18("10","1","3","3","5","9","1") = "9"
    & skf18("10","1","3","3","5","10","1") = "9"
    & skf18("10","1","3","3","6","1","1") = "9"
    & skf18("10","1","3","3","6","2","1") = "9"
    & skf18("10","1","3","3","6","3","1") = "9"
    & skf18("10","1","3","3","6","4","1") = "9"
    & skf18("10","1","3","3","6","5","1") = "9"
    & skf18("10","1","3","3","6","6","1") = "9"
    & skf18("10","1","3","3","6","7","1") = "9"
    & skf18("10","1","3","3","6","8","1") = "9"
    & skf18("10","1","3","3","6","9","1") = "9"
    & skf18("10","1","3","3","6","10","1") = "9"
    & skf18("10","1","3","3","7","1","1") = "9"
    & skf18("10","1","3","3","7","2","1") = "9"
    & skf18("10","1","3","3","7","3","1") = "9"
    & skf18("10","1","3","3","7","4","1") = "9"
    & skf18("10","1","3","3","7","5","1") = "9"
    & skf18("10","1","3","3","7","6","1") = "9"
    & skf18("10","1","3","3","7","7","1") = "9"
    & skf18("10","1","3","3","7","8","1") = "9"
    & skf18("10","1","3","3","7","9","1") = "9"
    & skf18("10","1","3","3","7","10","1") = "9"
    & skf18("10","1","3","3","8","1","1") = "9"
    & skf18("10","1","3","3","8","2","1") = "9"
    & skf18("10","1","3","3","8","3","1") = "9"
    & skf18("10","1","3","3","8","4","1") = "9"
    & skf18("10","1","3","3","8","5","1") = "9"
    & skf18("10","1","3","3","8","6","1") = "9"
    & skf18("10","1","3","3","8","7","1") = "9"
    & skf18("10","1","3","3","8","8","1") = "9"
    & skf18("10","1","3","3","8","9","1") = "9"
    & skf18("10","1","3","3","8","10","1") = "9"
    & skf18("10","1","3","3","9","1","1") = "9"
    & skf18("10","1","3","3","9","2","1") = "9"
    & skf18("10","1","3","3","9","3","1") = "9"
    & skf18("10","1","3","3","9","4","1") = "9"
    & skf18("10","1","3","3","9","5","1") = "9"
    & skf18("10","1","3","3","9","6","1") = "9"
    & skf18("10","1","3","3","9","7","1") = "9"
    & skf18("10","1","3","3","9","8","1") = "9"
    & skf18("10","1","3","3","9","9","1") = "9"
    & skf18("10","1","3","3","9","10","1") = "9"
    & skf18("10","1","3","3","10","1","1") = "9"
    & skf18("10","1","3","3","10","2","1") = "9"
    & skf18("10","1","3","3","10","3","1") = "9"
    & skf18("10","1","3","3","10","4","1") = "9"
    & skf18("10","1","3","3","10","5","1") = "9"
    & skf18("10","1","3","3","10","6","1") = "9"
    & skf18("10","1","3","3","10","7","1") = "9"
    & skf18("10","1","3","3","10","8","1") = "9"
    & skf18("10","1","3","3","10","9","1") = "9"
    & skf18("10","1","3","3","10","10","1") = "9"
    & skf18("10","1","3","4","1","1","1") = "9"
    & skf18("10","1","3","4","1","2","1") = "9"
    & skf18("10","1","3","4","1","3","1") = "9"
    & skf18("10","1","3","4","1","4","1") = "9"
    & skf18("10","1","3","4","1","5","1") = "9"
    & skf18("10","1","3","4","1","6","1") = "9"
    & skf18("10","1","3","4","1","7","1") = "9"
    & skf18("10","1","3","4","1","8","1") = "9"
    & skf18("10","1","3","4","1","9","1") = "9"
    & skf18("10","1","3","4","1","10","1") = "9"
    & skf18("10","1","3","4","2","1","1") = "9"
    & skf18("10","1","3","4","2","2","1") = "9"
    & skf18("10","1","3","4","2","3","1") = "9"
    & skf18("10","1","3","4","2","4","1") = "9"
    & skf18("10","1","3","4","2","5","1") = "9"
    & skf18("10","1","3","4","2","6","1") = "9"
    & skf18("10","1","3","4","2","7","1") = "9"
    & skf18("10","1","3","4","2","8","1") = "9"
    & skf18("10","1","3","4","2","9","1") = "9"
    & skf18("10","1","3","4","2","10","1") = "9"
    & skf18("10","1","3","4","3","1","1") = "9"
    & skf18("10","1","3","4","3","2","1") = "9"
    & skf18("10","1","3","4","3","3","1") = "9"
    & skf18("10","1","3","4","3","4","1") = "9"
    & skf18("10","1","3","4","3","5","1") = "9"
    & skf18("10","1","3","4","3","6","1") = "9"
    & skf18("10","1","3","4","3","7","1") = "9"
    & skf18("10","1","3","4","3","8","1") = "9"
    & skf18("10","1","3","4","3","9","1") = "9"
    & skf18("10","1","3","4","3","10","1") = "9"
    & skf18("10","1","3","4","4","1","1") = "9"
    & skf18("10","1","3","4","4","2","1") = "9"
    & skf18("10","1","3","4","4","3","1") = "9"
    & skf18("10","1","3","4","4","4","1") = "9"
    & skf18("10","1","3","4","4","5","1") = "9"
    & skf18("10","1","3","4","4","6","1") = "9"
    & skf18("10","1","3","4","4","7","1") = "9"
    & skf18("10","1","3","4","4","8","1") = "9"
    & skf18("10","1","3","4","4","9","1") = "9"
    & skf18("10","1","3","4","4","10","1") = "9"
    & skf18("10","1","3","4","5","1","1") = "9"
    & skf18("10","1","3","4","5","2","1") = "9"
    & skf18("10","1","3","4","5","3","1") = "9"
    & skf18("10","1","3","4","5","4","1") = "9"
    & skf18("10","1","3","4","5","5","1") = "9"
    & skf18("10","1","3","4","5","6","1") = "9"
    & skf18("10","1","3","4","5","7","1") = "9"
    & skf18("10","1","3","4","5","8","1") = "9"
    & skf18("10","1","3","4","5","9","1") = "9"
    & skf18("10","1","3","4","5","10","1") = "9"
    & skf18("10","1","3","4","6","1","1") = "9"
    & skf18("10","1","3","4","6","2","1") = "9"
    & skf18("10","1","3","4","6","3","1") = "9"
    & skf18("10","1","3","4","6","4","1") = "9"
    & skf18("10","1","3","4","6","5","1") = "9"
    & skf18("10","1","3","4","6","6","1") = "9"
    & skf18("10","1","3","4","6","7","1") = "9"
    & skf18("10","1","3","4","6","8","1") = "9"
    & skf18("10","1","3","4","6","9","1") = "9"
    & skf18("10","1","3","4","6","10","1") = "9"
    & skf18("10","1","3","4","7","1","1") = "9"
    & skf18("10","1","3","4","7","2","1") = "9"
    & skf18("10","1","3","4","7","3","1") = "9"
    & skf18("10","1","3","4","7","4","1") = "9"
    & skf18("10","1","3","4","7","5","1") = "9"
    & skf18("10","1","3","4","7","6","1") = "9"
    & skf18("10","1","3","4","7","7","1") = "9"
    & skf18("10","1","3","4","7","8","1") = "9"
    & skf18("10","1","3","4","7","9","1") = "9"
    & skf18("10","1","3","4","7","10","1") = "9"
    & skf18("10","1","3","4","8","1","1") = "9"
    & skf18("10","1","3","4","8","2","1") = "9"
    & skf18("10","1","3","4","8","3","1") = "9"
    & skf18("10","1","3","4","8","4","1") = "9"
    & skf18("10","1","3","4","8","5","1") = "9"
    & skf18("10","1","3","4","8","6","1") = "9"
    & skf18("10","1","3","4","8","7","1") = "9"
    & skf18("10","1","3","4","8","8","1") = "9"
    & skf18("10","1","3","4","8","9","1") = "9"
    & skf18("10","1","3","4","8","10","1") = "9"
    & skf18("10","1","3","4","9","1","1") = "9"
    & skf18("10","1","3","4","9","2","1") = "9"
    & skf18("10","1","3","4","9","3","1") = "9"
    & skf18("10","1","3","4","9","4","1") = "9"
    & skf18("10","1","3","4","9","5","1") = "9"
    & skf18("10","1","3","4","9","6","1") = "9"
    & skf18("10","1","3","4","9","7","1") = "9"
    & skf18("10","1","3","4","9","8","1") = "9"
    & skf18("10","1","3","4","9","9","1") = "9"
    & skf18("10","1","3","4","9","10","1") = "9"
    & skf18("10","1","3","4","10","1","1") = "9"
    & skf18("10","1","3","4","10","2","1") = "9"
    & skf18("10","1","3","4","10","3","1") = "9"
    & skf18("10","1","3","4","10","4","1") = "9"
    & skf18("10","1","3","4","10","5","1") = "9"
    & skf18("10","1","3","4","10","6","1") = "9"
    & skf18("10","1","3","4","10","7","1") = "9"
    & skf18("10","1","3","4","10","8","1") = "9"
    & skf18("10","1","3","4","10","9","1") = "9"
    & skf18("10","1","3","4","10","10","1") = "9"
    & skf18("10","1","3","5","1","1","1") = "9"
    & skf18("10","1","3","5","1","2","1") = "9"
    & skf18("10","1","3","5","1","3","1") = "9"
    & skf18("10","1","3","5","1","4","1") = "9"
    & skf18("10","1","3","5","1","5","1") = "9"
    & skf18("10","1","3","5","1","6","1") = "9"
    & skf18("10","1","3","5","1","7","1") = "9"
    & skf18("10","1","3","5","1","8","1") = "9"
    & skf18("10","1","3","5","1","9","1") = "9"
    & skf18("10","1","3","5","1","10","1") = "9"
    & skf18("10","1","3","5","2","1","1") = "9"
    & skf18("10","1","3","5","2","2","1") = "9"
    & skf18("10","1","3","5","2","3","1") = "9"
    & skf18("10","1","3","5","2","4","1") = "9"
    & skf18("10","1","3","5","2","5","1") = "9"
    & skf18("10","1","3","5","2","6","1") = "9"
    & skf18("10","1","3","5","2","7","1") = "9"
    & skf18("10","1","3","5","2","8","1") = "9"
    & skf18("10","1","3","5","2","9","1") = "9"
    & skf18("10","1","3","5","2","10","1") = "9"
    & skf18("10","1","3","5","3","1","1") = "9"
    & skf18("10","1","3","5","3","2","1") = "9"
    & skf18("10","1","3","5","3","3","1") = "9"
    & skf18("10","1","3","5","3","4","1") = "9"
    & skf18("10","1","3","5","3","5","1") = "9"
    & skf18("10","1","3","5","3","6","1") = "9"
    & skf18("10","1","3","5","3","7","1") = "9"
    & skf18("10","1","3","5","3","8","1") = "9"
    & skf18("10","1","3","5","3","9","1") = "9"
    & skf18("10","1","3","5","3","10","1") = "9"
    & skf18("10","1","3","5","4","1","1") = "9"
    & skf18("10","1","3","5","4","2","1") = "9"
    & skf18("10","1","3","5","4","3","1") = "9"
    & skf18("10","1","3","5","4","4","1") = "9"
    & skf18("10","1","3","5","4","5","1") = "9"
    & skf18("10","1","3","5","4","6","1") = "9"
    & skf18("10","1","3","5","4","7","1") = "9"
    & skf18("10","1","3","5","4","8","1") = "9"
    & skf18("10","1","3","5","4","9","1") = "9"
    & skf18("10","1","3","5","4","10","1") = "9"
    & skf18("10","1","3","5","5","1","1") = "9"
    & skf18("10","1","3","5","5","2","1") = "9"
    & skf18("10","1","3","5","5","3","1") = "9"
    & skf18("10","1","3","5","5","4","1") = "9"
    & skf18("10","1","3","5","5","5","1") = "9"
    & skf18("10","1","3","5","5","6","1") = "9"
    & skf18("10","1","3","5","5","7","1") = "9"
    & skf18("10","1","3","5","5","8","1") = "9"
    & skf18("10","1","3","5","5","9","1") = "9"
    & skf18("10","1","3","5","5","10","1") = "9"
    & skf18("10","1","3","5","6","1","1") = "9"
    & skf18("10","1","3","5","6","2","1") = "9"
    & skf18("10","1","3","5","6","3","1") = "9"
    & skf18("10","1","3","5","6","4","1") = "9"
    & skf18("10","1","3","5","6","5","1") = "9"
    & skf18("10","1","3","5","6","6","1") = "9"
    & skf18("10","1","3","5","6","7","1") = "9"
    & skf18("10","1","3","5","6","8","1") = "9"
    & skf18("10","1","3","5","6","9","1") = "9"
    & skf18("10","1","3","5","6","10","1") = "9"
    & skf18("10","1","3","5","7","1","1") = "9"
    & skf18("10","1","3","5","7","2","1") = "9"
    & skf18("10","1","3","5","7","3","1") = "9"
    & skf18("10","1","3","5","7","4","1") = "9"
    & skf18("10","1","3","5","7","5","1") = "9"
    & skf18("10","1","3","5","7","6","1") = "9"
    & skf18("10","1","3","5","7","7","1") = "9"
    & skf18("10","1","3","5","7","8","1") = "9"
    & skf18("10","1","3","5","7","9","1") = "9"
    & skf18("10","1","3","5","7","10","1") = "9"
    & skf18("10","1","3","5","8","1","1") = "9"
    & skf18("10","1","3","5","8","2","1") = "9"
    & skf18("10","1","3","5","8","3","1") = "9"
    & skf18("10","1","3","5","8","4","1") = "9"
    & skf18("10","1","3","5","8","5","1") = "9"
    & skf18("10","1","3","5","8","6","1") = "9"
    & skf18("10","1","3","5","8","7","1") = "9"
    & skf18("10","1","3","5","8","8","1") = "9"
    & skf18("10","1","3","5","8","9","1") = "9"
    & skf18("10","1","3","5","8","10","1") = "9"
    & skf18("10","1","3","5","9","1","1") = "9"
    & skf18("10","1","3","5","9","2","1") = "9"
    & skf18("10","1","3","5","9","3","1") = "9"
    & skf18("10","1","3","5","9","4","1") = "9"
    & skf18("10","1","3","5","9","5","1") = "9"
    & skf18("10","1","3","5","9","6","1") = "9"
    & skf18("10","1","3","5","9","7","1") = "9"
    & skf18("10","1","3","5","9","8","1") = "9"
    & skf18("10","1","3","5","9","9","1") = "9"
    & skf18("10","1","3","5","9","10","1") = "9"
    & skf18("10","1","3","5","10","1","1") = "9"
    & skf18("10","1","3","5","10","2","1") = "9"
    & skf18("10","1","3","5","10","3","1") = "9"
    & skf18("10","1","3","5","10","4","1") = "9"
    & skf18("10","1","3","5","10","5","1") = "9"
    & skf18("10","1","3","5","10","6","1") = "9"
    & skf18("10","1","3","5","10","7","1") = "9"
    & skf18("10","1","3","5","10","8","1") = "9"
    & skf18("10","1","3","5","10","9","1") = "9"
    & skf18("10","1","3","5","10","10","1") = "9"
    & skf18("10","1","3","6","1","1","1") = "9"
    & skf18("10","1","3","6","1","2","1") = "9"
    & skf18("10","1","3","6","1","3","1") = "9"
    & skf18("10","1","3","6","1","4","1") = "9"
    & skf18("10","1","3","6","1","5","1") = "9"
    & skf18("10","1","3","6","1","6","1") = "9"
    & skf18("10","1","3","6","1","7","1") = "9"
    & skf18("10","1","3","6","1","8","1") = "9"
    & skf18("10","1","3","6","1","9","1") = "9"
    & skf18("10","1","3","6","1","10","1") = "9"
    & skf18("10","1","3","6","2","1","1") = "9"
    & skf18("10","1","3","6","2","2","1") = "9"
    & skf18("10","1","3","6","2","3","1") = "9"
    & skf18("10","1","3","6","2","4","1") = "9"
    & skf18("10","1","3","6","2","5","1") = "9"
    & skf18("10","1","3","6","2","6","1") = "9"
    & skf18("10","1","3","6","2","7","1") = "9"
    & skf18("10","1","3","6","2","8","1") = "9"
    & skf18("10","1","3","6","2","9","1") = "9"
    & skf18("10","1","3","6","2","10","1") = "9"
    & skf18("10","1","3","6","3","1","1") = "9"
    & skf18("10","1","3","6","3","2","1") = "9"
    & skf18("10","1","3","6","3","3","1") = "9"
    & skf18("10","1","3","6","3","4","1") = "9"
    & skf18("10","1","3","6","3","5","1") = "9"
    & skf18("10","1","3","6","3","6","1") = "9"
    & skf18("10","1","3","6","3","7","1") = "9"
    & skf18("10","1","3","6","3","8","1") = "9"
    & skf18("10","1","3","6","3","9","1") = "9"
    & skf18("10","1","3","6","3","10","1") = "9"
    & skf18("10","1","3","6","4","1","1") = "9"
    & skf18("10","1","3","6","4","2","1") = "9"
    & skf18("10","1","3","6","4","3","1") = "9"
    & skf18("10","1","3","6","4","4","1") = "9"
    & skf18("10","1","3","6","4","5","1") = "9"
    & skf18("10","1","3","6","4","6","1") = "9"
    & skf18("10","1","3","6","4","7","1") = "9"
    & skf18("10","1","3","6","4","8","1") = "9"
    & skf18("10","1","3","6","4","9","1") = "9"
    & skf18("10","1","3","6","4","10","1") = "9"
    & skf18("10","1","3","6","5","1","1") = "9"
    & skf18("10","1","3","6","5","2","1") = "9"
    & skf18("10","1","3","6","5","3","1") = "9"
    & skf18("10","1","3","6","5","4","1") = "9"
    & skf18("10","1","3","6","5","5","1") = "9"
    & skf18("10","1","3","6","5","6","1") = "9"
    & skf18("10","1","3","6","5","7","1") = "9"
    & skf18("10","1","3","6","5","8","1") = "9"
    & skf18("10","1","3","6","5","9","1") = "9"
    & skf18("10","1","3","6","5","10","1") = "9"
    & skf18("10","1","3","6","6","1","1") = "9"
    & skf18("10","1","3","6","6","2","1") = "9"
    & skf18("10","1","3","6","6","3","1") = "9"
    & skf18("10","1","3","6","6","4","1") = "9"
    & skf18("10","1","3","6","6","5","1") = "9"
    & skf18("10","1","3","6","6","6","1") = "9"
    & skf18("10","1","3","6","6","7","1") = "9"
    & skf18("10","1","3","6","6","8","1") = "9"
    & skf18("10","1","3","6","6","9","1") = "9"
    & skf18("10","1","3","6","6","10","1") = "9"
    & skf18("10","1","3","6","7","1","1") = "9"
    & skf18("10","1","3","6","7","2","1") = "9"
    & skf18("10","1","3","6","7","3","1") = "9"
    & skf18("10","1","3","6","7","4","1") = "9"
    & skf18("10","1","3","6","7","5","1") = "9"
    & skf18("10","1","3","6","7","6","1") = "9"
    & skf18("10","1","3","6","7","7","1") = "9"
    & skf18("10","1","3","6","7","8","1") = "9"
    & skf18("10","1","3","6","7","9","1") = "9"
    & skf18("10","1","3","6","7","10","1") = "9"
    & skf18("10","1","3","6","8","1","1") = "9"
    & skf18("10","1","3","6","8","2","1") = "9"
    & skf18("10","1","3","6","8","3","1") = "9"
    & skf18("10","1","3","6","8","4","1") = "9"
    & skf18("10","1","3","6","8","5","1") = "9"
    & skf18("10","1","3","6","8","6","1") = "9"
    & skf18("10","1","3","6","8","7","1") = "9"
    & skf18("10","1","3","6","8","8","1") = "9"
    & skf18("10","1","3","6","8","9","1") = "9"
    & skf18("10","1","3","6","8","10","1") = "9"
    & skf18("10","1","3","6","9","1","1") = "9"
    & skf18("10","1","3","6","9","2","1") = "9"
    & skf18("10","1","3","6","9","3","1") = "9"
    & skf18("10","1","3","6","9","4","1") = "9"
    & skf18("10","1","3","6","9","5","1") = "9"
    & skf18("10","1","3","6","9","6","1") = "9"
    & skf18("10","1","3","6","9","7","1") = "9"
    & skf18("10","1","3","6","9","8","1") = "9"
    & skf18("10","1","3","6","9","9","1") = "9"
    & skf18("10","1","3","6","9","10","1") = "9"
    & skf18("10","1","3","6","10","1","1") = "9"
    & skf18("10","1","3","6","10","2","1") = "9"
    & skf18("10","1","3","6","10","3","1") = "9"
    & skf18("10","1","3","6","10","4","1") = "9"
    & skf18("10","1","3","6","10","5","1") = "9"
    & skf18("10","1","3","6","10","6","1") = "9"
    & skf18("10","1","3","6","10","7","1") = "9"
    & skf18("10","1","3","6","10","8","1") = "9"
    & skf18("10","1","3","6","10","9","1") = "9"
    & skf18("10","1","3","6","10","10","1") = "9"
    & skf18("10","1","3","7","1","1","1") = "9"
    & skf18("10","1","3","7","1","2","1") = "9"
    & skf18("10","1","3","7","1","3","1") = "9"
    & skf18("10","1","3","7","1","4","1") = "9"
    & skf18("10","1","3","7","1","5","1") = "9"
    & skf18("10","1","3","7","1","6","1") = "9"
    & skf18("10","1","3","7","1","7","1") = "9"
    & skf18("10","1","3","7","1","8","1") = "9"
    & skf18("10","1","3","7","1","9","1") = "9"
    & skf18("10","1","3","7","1","10","1") = "9"
    & skf18("10","1","3","7","2","1","1") = "9"
    & skf18("10","1","3","7","2","2","1") = "9"
    & skf18("10","1","3","7","2","3","1") = "9"
    & skf18("10","1","3","7","2","4","1") = "9"
    & skf18("10","1","3","7","2","5","1") = "9"
    & skf18("10","1","3","7","2","6","1") = "9"
    & skf18("10","1","3","7","2","7","1") = "9"
    & skf18("10","1","3","7","2","8","1") = "9"
    & skf18("10","1","3","7","2","9","1") = "9"
    & skf18("10","1","3","7","2","10","1") = "9"
    & skf18("10","1","3","7","3","1","1") = "9"
    & skf18("10","1","3","7","3","2","1") = "9"
    & skf18("10","1","3","7","3","3","1") = "9"
    & skf18("10","1","3","7","3","4","1") = "9"
    & skf18("10","1","3","7","3","5","1") = "9"
    & skf18("10","1","3","7","3","6","1") = "9"
    & skf18("10","1","3","7","3","7","1") = "9"
    & skf18("10","1","3","7","3","8","1") = "9"
    & skf18("10","1","3","7","3","9","1") = "9"
    & skf18("10","1","3","7","3","10","1") = "9"
    & skf18("10","1","3","7","4","1","1") = "9"
    & skf18("10","1","3","7","4","2","1") = "9"
    & skf18("10","1","3","7","4","3","1") = "9"
    & skf18("10","1","3","7","4","4","1") = "9"
    & skf18("10","1","3","7","4","5","1") = "9"
    & skf18("10","1","3","7","4","6","1") = "9"
    & skf18("10","1","3","7","4","7","1") = "9"
    & skf18("10","1","3","7","4","8","1") = "9"
    & skf18("10","1","3","7","4","9","1") = "9"
    & skf18("10","1","3","7","4","10","1") = "9"
    & skf18("10","1","3","7","5","1","1") = "9"
    & skf18("10","1","3","7","5","2","1") = "9"
    & skf18("10","1","3","7","5","3","1") = "9"
    & skf18("10","1","3","7","5","4","1") = "9"
    & skf18("10","1","3","7","5","5","1") = "9"
    & skf18("10","1","3","7","5","6","1") = "9"
    & skf18("10","1","3","7","5","7","1") = "9"
    & skf18("10","1","3","7","5","8","1") = "9"
    & skf18("10","1","3","7","5","9","1") = "9"
    & skf18("10","1","3","7","5","10","1") = "9"
    & skf18("10","1","3","7","6","1","1") = "9"
    & skf18("10","1","3","7","6","2","1") = "9"
    & skf18("10","1","3","7","6","3","1") = "9"
    & skf18("10","1","3","7","6","4","1") = "9"
    & skf18("10","1","3","7","6","5","1") = "9"
    & skf18("10","1","3","7","6","6","1") = "9"
    & skf18("10","1","3","7","6","7","1") = "9"
    & skf18("10","1","3","7","6","8","1") = "9"
    & skf18("10","1","3","7","6","9","1") = "9"
    & skf18("10","1","3","7","6","10","1") = "9"
    & skf18("10","1","3","7","7","1","1") = "9"
    & skf18("10","1","3","7","7","2","1") = "9"
    & skf18("10","1","3","7","7","3","1") = "9"
    & skf18("10","1","3","7","7","4","1") = "9"
    & skf18("10","1","3","7","7","5","1") = "9"
    & skf18("10","1","3","7","7","6","1") = "9"
    & skf18("10","1","3","7","7","7","1") = "9"
    & skf18("10","1","3","7","7","8","1") = "9"
    & skf18("10","1","3","7","7","9","1") = "9"
    & skf18("10","1","3","7","7","10","1") = "9"
    & skf18("10","1","3","7","8","1","1") = "9"
    & skf18("10","1","3","7","8","2","1") = "9"
    & skf18("10","1","3","7","8","3","1") = "9"
    & skf18("10","1","3","7","8","4","1") = "9"
    & skf18("10","1","3","7","8","5","1") = "9"
    & skf18("10","1","3","7","8","6","1") = "9"
    & skf18("10","1","3","7","8","7","1") = "9"
    & skf18("10","1","3","7","8","8","1") = "9"
    & skf18("10","1","3","7","8","9","1") = "9"
    & skf18("10","1","3","7","8","10","1") = "9"
    & skf18("10","1","3","7","9","1","1") = "9"
    & skf18("10","1","3","7","9","2","1") = "9"
    & skf18("10","1","3","7","9","3","1") = "9"
    & skf18("10","1","3","7","9","4","1") = "9"
    & skf18("10","1","3","7","9","5","1") = "9"
    & skf18("10","1","3","7","9","6","1") = "9"
    & skf18("10","1","3","7","9","7","1") = "9"
    & skf18("10","1","3","7","9","8","1") = "9"
    & skf18("10","1","3","7","9","9","1") = "9"
    & skf18("10","1","3","7","9","10","1") = "9"
    & skf18("10","1","3","7","10","1","1") = "9"
    & skf18("10","1","3","7","10","2","1") = "9"
    & skf18("10","1","3","7","10","3","1") = "9"
    & skf18("10","1","3","7","10","4","1") = "9"
    & skf18("10","1","3","7","10","5","1") = "9"
    & skf18("10","1","3","7","10","6","1") = "9"
    & skf18("10","1","3","7","10","7","1") = "9"
    & skf18("10","1","3","7","10","8","1") = "9"
    & skf18("10","1","3","7","10","9","1") = "9"
    & skf18("10","1","3","7","10","10","1") = "9"
    & skf18("10","1","3","8","1","1","1") = "9"
    & skf18("10","1","3","8","1","2","1") = "9"
    & skf18("10","1","3","8","1","3","1") = "9"
    & skf18("10","1","3","8","1","4","1") = "9"
    & skf18("10","1","3","8","1","5","1") = "9"
    & skf18("10","1","3","8","1","6","1") = "9"
    & skf18("10","1","3","8","1","7","1") = "9"
    & skf18("10","1","3","8","1","8","1") = "9"
    & skf18("10","1","3","8","1","9","1") = "9"
    & skf18("10","1","3","8","1","10","1") = "9"
    & skf18("10","1","3","8","2","1","1") = "9"
    & skf18("10","1","3","8","2","2","1") = "9"
    & skf18("10","1","3","8","2","3","1") = "9"
    & skf18("10","1","3","8","2","4","1") = "9"
    & skf18("10","1","3","8","2","5","1") = "9"
    & skf18("10","1","3","8","2","6","1") = "9"
    & skf18("10","1","3","8","2","7","1") = "9"
    & skf18("10","1","3","8","2","8","1") = "9"
    & skf18("10","1","3","8","2","9","1") = "9"
    & skf18("10","1","3","8","2","10","1") = "9"
    & skf18("10","1","3","8","3","1","1") = "9"
    & skf18("10","1","3","8","3","2","1") = "9"
    & skf18("10","1","3","8","3","3","1") = "9"
    & skf18("10","1","3","8","3","4","1") = "9"
    & skf18("10","1","3","8","3","5","1") = "9"
    & skf18("10","1","3","8","3","6","1") = "9"
    & skf18("10","1","3","8","3","7","1") = "9"
    & skf18("10","1","3","8","3","8","1") = "9"
    & skf18("10","1","3","8","3","9","1") = "9"
    & skf18("10","1","3","8","3","10","1") = "9"
    & skf18("10","1","3","8","4","1","1") = "9"
    & skf18("10","1","3","8","4","2","1") = "9"
    & skf18("10","1","3","8","4","3","1") = "9"
    & skf18("10","1","3","8","4","4","1") = "9"
    & skf18("10","1","3","8","4","5","1") = "9"
    & skf18("10","1","3","8","4","6","1") = "9"
    & skf18("10","1","3","8","4","7","1") = "9"
    & skf18("10","1","3","8","4","8","1") = "9"
    & skf18("10","1","3","8","4","9","1") = "9"
    & skf18("10","1","3","8","4","10","1") = "9"
    & skf18("10","1","3","8","5","1","1") = "9"
    & skf18("10","1","3","8","5","2","1") = "9"
    & skf18("10","1","3","8","5","3","1") = "9"
    & skf18("10","1","3","8","5","4","1") = "9"
    & skf18("10","1","3","8","5","5","1") = "9"
    & skf18("10","1","3","8","5","6","1") = "9"
    & skf18("10","1","3","8","5","7","1") = "9"
    & skf18("10","1","3","8","5","8","1") = "9"
    & skf18("10","1","3","8","5","9","1") = "9"
    & skf18("10","1","3","8","5","10","1") = "9"
    & skf18("10","1","3","8","6","1","1") = "9"
    & skf18("10","1","3","8","6","2","1") = "9"
    & skf18("10","1","3","8","6","3","1") = "9"
    & skf18("10","1","3","8","6","4","1") = "9"
    & skf18("10","1","3","8","6","5","1") = "9"
    & skf18("10","1","3","8","6","6","1") = "9"
    & skf18("10","1","3","8","6","7","1") = "9"
    & skf18("10","1","3","8","6","8","1") = "9"
    & skf18("10","1","3","8","6","9","1") = "9"
    & skf18("10","1","3","8","6","10","1") = "9"
    & skf18("10","1","3","8","7","1","1") = "9"
    & skf18("10","1","3","8","7","2","1") = "9"
    & skf18("10","1","3","8","7","3","1") = "9"
    & skf18("10","1","3","8","7","4","1") = "9"
    & skf18("10","1","3","8","7","5","1") = "9"
    & skf18("10","1","3","8","7","6","1") = "9"
    & skf18("10","1","3","8","7","7","1") = "9"
    & skf18("10","1","3","8","7","8","1") = "9"
    & skf18("10","1","3","8","7","9","1") = "9"
    & skf18("10","1","3","8","7","10","1") = "9"
    & skf18("10","1","3","8","8","1","1") = "9"
    & skf18("10","1","3","8","8","2","1") = "9"
    & skf18("10","1","3","8","8","3","1") = "9"
    & skf18("10","1","3","8","8","4","1") = "9"
    & skf18("10","1","3","8","8","5","1") = "9"
    & skf18("10","1","3","8","8","6","1") = "9"
    & skf18("10","1","3","8","8","7","1") = "9"
    & skf18("10","1","3","8","8","8","1") = "9"
    & skf18("10","1","3","8","8","9","1") = "9"
    & skf18("10","1","3","8","8","10","1") = "9"
    & skf18("10","1","3","8","9","1","1") = "9"
    & skf18("10","1","3","8","9","2","1") = "9"
    & skf18("10","1","3","8","9","3","1") = "9"
    & skf18("10","1","3","8","9","4","1") = "9"
    & skf18("10","1","3","8","9","5","1") = "9"
    & skf18("10","1","3","8","9","6","1") = "9"
    & skf18("10","1","3","8","9","7","1") = "9"
    & skf18("10","1","3","8","9","8","1") = "9"
    & skf18("10","1","3","8","9","9","1") = "9"
    & skf18("10","1","3","8","9","10","1") = "9"
    & skf18("10","1","3","8","10","1","1") = "9"
    & skf18("10","1","3","8","10","2","1") = "9"
    & skf18("10","1","3","8","10","3","1") = "9"
    & skf18("10","1","3","8","10","4","1") = "9"
    & skf18("10","1","3","8","10","5","1") = "9"
    & skf18("10","1","3","8","10","6","1") = "9"
    & skf18("10","1","3","8","10","7","1") = "9"
    & skf18("10","1","3","8","10","8","1") = "9"
    & skf18("10","1","3","8","10","9","1") = "9"
    & skf18("10","1","3","8","10","10","1") = "9"
    & skf18("10","1","3","9","1","1","1") = "9"
    & skf18("10","1","3","9","1","2","1") = "9"
    & skf18("10","1","3","9","1","3","1") = "9"
    & skf18("10","1","3","9","1","4","1") = "9"
    & skf18("10","1","3","9","1","5","1") = "9"
    & skf18("10","1","3","9","1","6","1") = "9"
    & skf18("10","1","3","9","1","7","1") = "9"
    & skf18("10","1","3","9","1","8","1") = "9"
    & skf18("10","1","3","9","1","9","1") = "9"
    & skf18("10","1","3","9","1","10","1") = "9"
    & skf18("10","1","3","9","2","1","1") = "9"
    & skf18("10","1","3","9","2","2","1") = "9"
    & skf18("10","1","3","9","2","3","1") = "9"
    & skf18("10","1","3","9","2","4","1") = "9"
    & skf18("10","1","3","9","2","5","1") = "9"
    & skf18("10","1","3","9","2","6","1") = "9"
    & skf18("10","1","3","9","2","7","1") = "9"
    & skf18("10","1","3","9","2","8","1") = "9"
    & skf18("10","1","3","9","2","9","1") = "9"
    & skf18("10","1","3","9","2","10","1") = "9"
    & skf18("10","1","3","9","3","1","1") = "9"
    & skf18("10","1","3","9","3","2","1") = "9"
    & skf18("10","1","3","9","3","3","1") = "9"
    & skf18("10","1","3","9","3","4","1") = "9"
    & skf18("10","1","3","9","3","5","1") = "9"
    & skf18("10","1","3","9","3","6","1") = "9"
    & skf18("10","1","3","9","3","7","1") = "9"
    & skf18("10","1","3","9","3","8","1") = "9"
    & skf18("10","1","3","9","3","9","1") = "9"
    & skf18("10","1","3","9","3","10","1") = "9"
    & skf18("10","1","3","9","4","1","1") = "9"
    & skf18("10","1","3","9","4","2","1") = "9"
    & skf18("10","1","3","9","4","3","1") = "9"
    & skf18("10","1","3","9","4","4","1") = "9"
    & skf18("10","1","3","9","4","5","1") = "9"
    & skf18("10","1","3","9","4","6","1") = "9"
    & skf18("10","1","3","9","4","7","1") = "9"
    & skf18("10","1","3","9","4","8","1") = "9"
    & skf18("10","1","3","9","4","9","1") = "9"
    & skf18("10","1","3","9","4","10","1") = "9"
    & skf18("10","1","3","9","5","1","1") = "9"
    & skf18("10","1","3","9","5","2","1") = "9"
    & skf18("10","1","3","9","5","3","1") = "9"
    & skf18("10","1","3","9","5","4","1") = "9"
    & skf18("10","1","3","9","5","5","1") = "9"
    & skf18("10","1","3","9","5","6","1") = "9"
    & skf18("10","1","3","9","5","7","1") = "9"
    & skf18("10","1","3","9","5","8","1") = "9"
    & skf18("10","1","3","9","5","9","1") = "9"
    & skf18("10","1","3","9","5","10","1") = "9"
    & skf18("10","1","3","9","6","1","1") = "9"
    & skf18("10","1","3","9","6","2","1") = "9"
    & skf18("10","1","3","9","6","3","1") = "9"
    & skf18("10","1","3","9","6","4","1") = "9"
    & skf18("10","1","3","9","6","5","1") = "9"
    & skf18("10","1","3","9","6","6","1") = "9"
    & skf18("10","1","3","9","6","7","1") = "9"
    & skf18("10","1","3","9","6","8","1") = "9"
    & skf18("10","1","3","9","6","9","1") = "9"
    & skf18("10","1","3","9","6","10","1") = "9"
    & skf18("10","1","3","9","7","1","1") = "9"
    & skf18("10","1","3","9","7","2","1") = "9"
    & skf18("10","1","3","9","7","3","1") = "9"
    & skf18("10","1","3","9","7","4","1") = "9"
    & skf18("10","1","3","9","7","5","1") = "9"
    & skf18("10","1","3","9","7","6","1") = "9"
    & skf18("10","1","3","9","7","7","1") = "9"
    & skf18("10","1","3","9","7","8","1") = "9"
    & skf18("10","1","3","9","7","9","1") = "9"
    & skf18("10","1","3","9","7","10","1") = "9"
    & skf18("10","1","3","9","8","1","1") = "9"
    & skf18("10","1","3","9","8","2","1") = "9"
    & skf18("10","1","3","9","8","3","1") = "9"
    & skf18("10","1","3","9","8","4","1") = "9"
    & skf18("10","1","3","9","8","5","1") = "9"
    & skf18("10","1","3","9","8","6","1") = "9"
    & skf18("10","1","3","9","8","7","1") = "9"
    & skf18("10","1","3","9","8","8","1") = "9"
    & skf18("10","1","3","9","8","9","1") = "9"
    & skf18("10","1","3","9","8","10","1") = "9"
    & skf18("10","1","3","9","9","1","1") = "9"
    & skf18("10","1","3","9","9","2","1") = "9"
    & skf18("10","1","3","9","9","3","1") = "9"
    & skf18("10","1","3","9","9","4","1") = "9"
    & skf18("10","1","3","9","9","5","1") = "9"
    & skf18("10","1","3","9","9","6","1") = "9"
    & skf18("10","1","3","9","9","7","1") = "9"
    & skf18("10","1","3","9","9","8","1") = "9"
    & skf18("10","1","3","9","9","9","1") = "9"
    & skf18("10","1","3","9","9","10","1") = "9"
    & skf18("10","1","3","9","10","1","1") = "9"
    & skf18("10","1","3","9","10","2","1") = "9"
    & skf18("10","1","3","9","10","3","1") = "9"
    & skf18("10","1","3","9","10","4","1") = "9"
    & skf18("10","1","3","9","10","5","1") = "9"
    & skf18("10","1","3","9","10","6","1") = "9"
    & skf18("10","1","3","9","10","7","1") = "9"
    & skf18("10","1","3","9","10","8","1") = "9"
    & skf18("10","1","3","9","10","9","1") = "9"
    & skf18("10","1","3","9","10","10","1") = "9"
    & skf18("10","1","3","10","1","1","1") = "9"
    & skf18("10","1","3","10","1","2","1") = "9"
    & skf18("10","1","3","10","1","3","1") = "9"
    & skf18("10","1","3","10","1","4","1") = "9"
    & skf18("10","1","3","10","1","5","1") = "9"
    & skf18("10","1","3","10","1","6","1") = "9"
    & skf18("10","1","3","10","1","7","1") = "9"
    & skf18("10","1","3","10","1","8","1") = "9"
    & skf18("10","1","3","10","1","9","1") = "9"
    & skf18("10","1","3","10","1","10","1") = "9"
    & skf18("10","1","3","10","2","1","1") = "9"
    & skf18("10","1","3","10","2","2","1") = "9"
    & skf18("10","1","3","10","2","3","1") = "9"
    & skf18("10","1","3","10","2","4","1") = "9"
    & skf18("10","1","3","10","2","5","1") = "9"
    & skf18("10","1","3","10","2","6","1") = "9"
    & skf18("10","1","3","10","2","7","1") = "9"
    & skf18("10","1","3","10","2","8","1") = "9"
    & skf18("10","1","3","10","2","9","1") = "9"
    & skf18("10","1","3","10","2","10","1") = "9"
    & skf18("10","1","3","10","3","1","1") = "9"
    & skf18("10","1","3","10","3","2","1") = "9"
    & skf18("10","1","3","10","3","3","1") = "9"
    & skf18("10","1","3","10","3","4","1") = "9"
    & skf18("10","1","3","10","3","5","1") = "9"
    & skf18("10","1","3","10","3","6","1") = "9"
    & skf18("10","1","3","10","3","7","1") = "9"
    & skf18("10","1","3","10","3","8","1") = "9"
    & skf18("10","1","3","10","3","9","1") = "9"
    & skf18("10","1","3","10","3","10","1") = "9"
    & skf18("10","1","3","10","4","1","1") = "9"
    & skf18("10","1","3","10","4","2","1") = "9"
    & skf18("10","1","3","10","4","3","1") = "9"
    & skf18("10","1","3","10","4","4","1") = "9"
    & skf18("10","1","3","10","4","5","1") = "9"
    & skf18("10","1","3","10","4","6","1") = "9"
    & skf18("10","1","3","10","4","7","1") = "9"
    & skf18("10","1","3","10","4","8","1") = "9"
    & skf18("10","1","3","10","4","9","1") = "9"
    & skf18("10","1","3","10","4","10","1") = "9"
    & skf18("10","1","3","10","5","1","1") = "9"
    & skf18("10","1","3","10","5","2","1") = "9"
    & skf18("10","1","3","10","5","3","1") = "9"
    & skf18("10","1","3","10","5","4","1") = "9"
    & skf18("10","1","3","10","5","5","1") = "9"
    & skf18("10","1","3","10","5","6","1") = "9"
    & skf18("10","1","3","10","5","7","1") = "9"
    & skf18("10","1","3","10","5","8","1") = "9"
    & skf18("10","1","3","10","5","9","1") = "9"
    & skf18("10","1","3","10","5","10","1") = "9"
    & skf18("10","1","3","10","6","1","1") = "9"
    & skf18("10","1","3","10","6","2","1") = "9"
    & skf18("10","1","3","10","6","3","1") = "9"
    & skf18("10","1","3","10","6","4","1") = "9"
    & skf18("10","1","3","10","6","5","1") = "9"
    & skf18("10","1","3","10","6","6","1") = "9"
    & skf18("10","1","3","10","6","7","1") = "9"
    & skf18("10","1","3","10","6","8","1") = "9"
    & skf18("10","1","3","10","6","9","1") = "9"
    & skf18("10","1","3","10","6","10","1") = "9"
    & skf18("10","1","3","10","7","1","1") = "9"
    & skf18("10","1","3","10","7","2","1") = "9"
    & skf18("10","1","3","10","7","3","1") = "9"
    & skf18("10","1","3","10","7","4","1") = "9"
    & skf18("10","1","3","10","7","5","1") = "9"
    & skf18("10","1","3","10","7","6","1") = "9"
    & skf18("10","1","3","10","7","7","1") = "9"
    & skf18("10","1","3","10","7","8","1") = "9"
    & skf18("10","1","3","10","7","9","1") = "9"
    & skf18("10","1","3","10","7","10","1") = "9"
    & skf18("10","1","3","10","8","1","1") = "9"
    & skf18("10","1","3","10","8","2","1") = "9"
    & skf18("10","1","3","10","8","3","1") = "9"
    & skf18("10","1","3","10","8","4","1") = "9"
    & skf18("10","1","3","10","8","5","1") = "9"
    & skf18("10","1","3","10","8","6","1") = "9"
    & skf18("10","1","3","10","8","7","1") = "9"
    & skf18("10","1","3","10","8","8","1") = "9"
    & skf18("10","1","3","10","8","9","1") = "9"
    & skf18("10","1","3","10","8","10","1") = "9"
    & skf18("10","1","3","10","9","1","1") = "9"
    & skf18("10","1","3","10","9","2","1") = "9"
    & skf18("10","1","3","10","9","3","1") = "9"
    & skf18("10","1","3","10","9","4","1") = "9"
    & skf18("10","1","3","10","9","5","1") = "9"
    & skf18("10","1","3","10","9","6","1") = "9"
    & skf18("10","1","3","10","9","7","1") = "9"
    & skf18("10","1","3","10","9","8","1") = "9"
    & skf18("10","1","3","10","9","9","1") = "9"
    & skf18("10","1","3","10","9","10","1") = "9"
    & skf18("10","1","3","10","10","1","1") = "9"
    & skf18("10","1","3","10","10","2","1") = "9"
    & skf18("10","1","3","10","10","3","1") = "9"
    & skf18("10","1","3","10","10","4","1") = "9"
    & skf18("10","1","3","10","10","5","1") = "9"
    & skf18("10","1","3","10","10","6","1") = "9"
    & skf18("10","1","3","10","10","7","1") = "9"
    & skf18("10","1","3","10","10","8","1") = "9"
    & skf18("10","1","3","10","10","9","1") = "9"
    & skf18("10","1","3","10","10","10","1") = "9"
    & skf18("10","1","4","1","1","1","1") = "9"
    & skf18("10","1","4","1","1","2","1") = "9"
    & skf18("10","1","4","1","1","3","1") = "9"
    & skf18("10","1","4","1","1","4","1") = "9"
    & skf18("10","1","4","1","1","5","1") = "9"
    & skf18("10","1","4","1","1","6","1") = "9"
    & skf18("10","1","4","1","1","7","1") = "9"
    & skf18("10","1","4","1","1","8","1") = "9"
    & skf18("10","1","4","1","1","9","1") = "9"
    & skf18("10","1","4","1","1","10","1") = "9"
    & skf18("10","1","4","1","2","1","1") = "9"
    & skf18("10","1","4","1","2","2","1") = "9"
    & skf18("10","1","4","1","2","3","1") = "9"
    & skf18("10","1","4","1","2","4","1") = "9"
    & skf18("10","1","4","1","2","5","1") = "9"
    & skf18("10","1","4","1","2","6","1") = "9"
    & skf18("10","1","4","1","2","7","1") = "9"
    & skf18("10","1","4","1","2","8","1") = "9"
    & skf18("10","1","4","1","2","9","1") = "9"
    & skf18("10","1","4","1","2","10","1") = "9"
    & skf18("10","1","4","1","3","1","1") = "9"
    & skf18("10","1","4","1","3","2","1") = "9"
    & skf18("10","1","4","1","3","3","1") = "9"
    & skf18("10","1","4","1","3","4","1") = "9"
    & skf18("10","1","4","1","3","5","1") = "9"
    & skf18("10","1","4","1","3","6","1") = "9"
    & skf18("10","1","4","1","3","7","1") = "9"
    & skf18("10","1","4","1","3","8","1") = "9"
    & skf18("10","1","4","1","3","9","1") = "9"
    & skf18("10","1","4","1","3","10","1") = "9"
    & skf18("10","1","4","1","4","1","1") = "9"
    & skf18("10","1","4","1","4","2","1") = "9"
    & skf18("10","1","4","1","4","3","1") = "9"
    & skf18("10","1","4","1","4","4","1") = "9"
    & skf18("10","1","4","1","4","5","1") = "9"
    & skf18("10","1","4","1","4","6","1") = "9"
    & skf18("10","1","4","1","4","7","1") = "9"
    & skf18("10","1","4","1","4","8","1") = "9"
    & skf18("10","1","4","1","4","9","1") = "9"
    & skf18("10","1","4","1","4","10","1") = "9"
    & skf18("10","1","4","1","5","1","1") = "9"
    & skf18("10","1","4","1","5","2","1") = "9"
    & skf18("10","1","4","1","5","3","1") = "9"
    & skf18("10","1","4","1","5","4","1") = "9"
    & skf18("10","1","4","1","5","5","1") = "9"
    & skf18("10","1","4","1","5","6","1") = "9"
    & skf18("10","1","4","1","5","7","1") = "9"
    & skf18("10","1","4","1","5","8","1") = "9"
    & skf18("10","1","4","1","5","9","1") = "9"
    & skf18("10","1","4","1","5","10","1") = "9"
    & skf18("10","1","4","1","6","1","1") = "9"
    & skf18("10","1","4","1","6","2","1") = "9"
    & skf18("10","1","4","1","6","3","1") = "9"
    & skf18("10","1","4","1","6","4","1") = "9"
    & skf18("10","1","4","1","6","5","1") = "9"
    & skf18("10","1","4","1","6","6","1") = "9"
    & skf18("10","1","4","1","6","7","1") = "9"
    & skf18("10","1","4","1","6","8","1") = "9"
    & skf18("10","1","4","1","6","9","1") = "9"
    & skf18("10","1","4","1","6","10","1") = "9"
    & skf18("10","1","4","1","7","1","1") = "9"
    & skf18("10","1","4","1","7","2","1") = "9"
    & skf18("10","1","4","1","7","3","1") = "9"
    & skf18("10","1","4","1","7","4","1") = "9"
    & skf18("10","1","4","1","7","5","1") = "9"
    & skf18("10","1","4","1","7","6","1") = "9"
    & skf18("10","1","4","1","7","7","1") = "9"
    & skf18("10","1","4","1","7","8","1") = "9"
    & skf18("10","1","4","1","7","9","1") = "9"
    & skf18("10","1","4","1","7","10","1") = "9"
    & skf18("10","1","4","1","8","1","1") = "9"
    & skf18("10","1","4","1","8","2","1") = "9"
    & skf18("10","1","4","1","8","3","1") = "9"
    & skf18("10","1","4","1","8","4","1") = "9"
    & skf18("10","1","4","1","8","5","1") = "9"
    & skf18("10","1","4","1","8","6","1") = "9"
    & skf18("10","1","4","1","8","7","1") = "9"
    & skf18("10","1","4","1","8","8","1") = "9"
    & skf18("10","1","4","1","8","9","1") = "9"
    & skf18("10","1","4","1","8","10","1") = "9"
    & skf18("10","1","4","1","9","1","1") = "9"
    & skf18("10","1","4","1","9","2","1") = "9"
    & skf18("10","1","4","1","9","3","1") = "9"
    & skf18("10","1","4","1","9","4","1") = "9"
    & skf18("10","1","4","1","9","5","1") = "9"
    & skf18("10","1","4","1","9","6","1") = "9"
    & skf18("10","1","4","1","9","7","1") = "9"
    & skf18("10","1","4","1","9","8","1") = "9"
    & skf18("10","1","4","1","9","9","1") = "9"
    & skf18("10","1","4","1","9","10","1") = "9"
    & skf18("10","1","4","1","10","1","1") = "9"
    & skf18("10","1","4","1","10","2","1") = "9"
    & skf18("10","1","4","1","10","3","1") = "9"
    & skf18("10","1","4","1","10","4","1") = "9"
    & skf18("10","1","4","1","10","5","1") = "9"
    & skf18("10","1","4","1","10","6","1") = "9"
    & skf18("10","1","4","1","10","7","1") = "9"
    & skf18("10","1","4","1","10","8","1") = "9"
    & skf18("10","1","4","1","10","9","1") = "9"
    & skf18("10","1","4","1","10","10","1") = "9"
    & skf18("10","1","4","2","1","1","1") = "9"
    & skf18("10","1","4","2","1","2","1") = "9"
    & skf18("10","1","4","2","1","3","1") = "9"
    & skf18("10","1","4","2","1","4","1") = "9"
    & skf18("10","1","4","2","1","5","1") = "9"
    & skf18("10","1","4","2","1","6","1") = "9"
    & skf18("10","1","4","2","1","7","1") = "9"
    & skf18("10","1","4","2","1","8","1") = "9"
    & skf18("10","1","4","2","1","9","1") = "9"
    & skf18("10","1","4","2","1","10","1") = "9"
    & skf18("10","1","4","2","2","1","1") = "9"
    & skf18("10","1","4","2","2","2","1") = "9"
    & skf18("10","1","4","2","2","3","1") = "9"
    & skf18("10","1","4","2","2","4","1") = "9"
    & skf18("10","1","4","2","2","5","1") = "9"
    & skf18("10","1","4","2","2","6","1") = "9"
    & skf18("10","1","4","2","2","7","1") = "9"
    & skf18("10","1","4","2","2","8","1") = "9"
    & skf18("10","1","4","2","2","9","1") = "9"
    & skf18("10","1","4","2","2","10","1") = "9"
    & skf18("10","1","4","2","3","1","1") = "9"
    & skf18("10","1","4","2","3","2","1") = "9"
    & skf18("10","1","4","2","3","3","1") = "9"
    & skf18("10","1","4","2","3","4","1") = "9"
    & skf18("10","1","4","2","3","5","1") = "9"
    & skf18("10","1","4","2","3","6","1") = "9"
    & skf18("10","1","4","2","3","7","1") = "9"
    & skf18("10","1","4","2","3","8","1") = "9"
    & skf18("10","1","4","2","3","9","1") = "9"
    & skf18("10","1","4","2","3","10","1") = "9"
    & skf18("10","1","4","2","4","1","1") = "9"
    & skf18("10","1","4","2","4","2","1") = "9"
    & skf18("10","1","4","2","4","3","1") = "9"
    & skf18("10","1","4","2","4","4","1") = "9"
    & skf18("10","1","4","2","4","5","1") = "9"
    & skf18("10","1","4","2","4","6","1") = "9"
    & skf18("10","1","4","2","4","7","1") = "9"
    & skf18("10","1","4","2","4","8","1") = "9"
    & skf18("10","1","4","2","4","9","1") = "9"
    & skf18("10","1","4","2","4","10","1") = "9"
    & skf18("10","1","4","2","5","1","1") = "9"
    & skf18("10","1","4","2","5","2","1") = "9"
    & skf18("10","1","4","2","5","3","1") = "9"
    & skf18("10","1","4","2","5","4","1") = "9"
    & skf18("10","1","4","2","5","5","1") = "9"
    & skf18("10","1","4","2","5","6","1") = "9"
    & skf18("10","1","4","2","5","7","1") = "9"
    & skf18("10","1","4","2","5","8","1") = "9"
    & skf18("10","1","4","2","5","9","1") = "9"
    & skf18("10","1","4","2","5","10","1") = "9"
    & skf18("10","1","4","2","6","1","1") = "9"
    & skf18("10","1","4","2","6","2","1") = "9"
    & skf18("10","1","4","2","6","3","1") = "9"
    & skf18("10","1","4","2","6","4","1") = "9"
    & skf18("10","1","4","2","6","5","1") = "9"
    & skf18("10","1","4","2","6","6","1") = "9"
    & skf18("10","1","4","2","6","7","1") = "9"
    & skf18("10","1","4","2","6","8","1") = "9"
    & skf18("10","1","4","2","6","9","1") = "9"
    & skf18("10","1","4","2","6","10","1") = "9"
    & skf18("10","1","4","2","7","1","1") = "9"
    & skf18("10","1","4","2","7","2","1") = "9"
    & skf18("10","1","4","2","7","3","1") = "9"
    & skf18("10","1","4","2","7","4","1") = "9"
    & skf18("10","1","4","2","7","5","1") = "9"
    & skf18("10","1","4","2","7","6","1") = "9"
    & skf18("10","1","4","2","7","7","1") = "9"
    & skf18("10","1","4","2","7","8","1") = "9"
    & skf18("10","1","4","2","7","9","1") = "9"
    & skf18("10","1","4","2","7","10","1") = "9"
    & skf18("10","1","4","2","8","1","1") = "9"
    & skf18("10","1","4","2","8","2","1") = "9"
    & skf18("10","1","4","2","8","3","1") = "9"
    & skf18("10","1","4","2","8","4","1") = "9"
    & skf18("10","1","4","2","8","5","1") = "9"
    & skf18("10","1","4","2","8","6","1") = "9"
    & skf18("10","1","4","2","8","7","1") = "9"
    & skf18("10","1","4","2","8","8","1") = "9"
    & skf18("10","1","4","2","8","9","1") = "9"
    & skf18("10","1","4","2","8","10","1") = "9"
    & skf18("10","1","4","2","9","1","1") = "9"
    & skf18("10","1","4","2","9","2","1") = "9"
    & skf18("10","1","4","2","9","3","1") = "9"
    & skf18("10","1","4","2","9","4","1") = "9"
    & skf18("10","1","4","2","9","5","1") = "9"
    & skf18("10","1","4","2","9","6","1") = "9"
    & skf18("10","1","4","2","9","7","1") = "9"
    & skf18("10","1","4","2","9","8","1") = "9"
    & skf18("10","1","4","2","9","9","1") = "9"
    & skf18("10","1","4","2","9","10","1") = "9"
    & skf18("10","1","4","2","10","1","1") = "9"
    & skf18("10","1","4","2","10","2","1") = "9"
    & skf18("10","1","4","2","10","3","1") = "9"
    & skf18("10","1","4","2","10","4","1") = "9"
    & skf18("10","1","4","2","10","5","1") = "9"
    & skf18("10","1","4","2","10","6","1") = "9"
    & skf18("10","1","4","2","10","7","1") = "9"
    & skf18("10","1","4","2","10","8","1") = "9"
    & skf18("10","1","4","2","10","9","1") = "9"
    & skf18("10","1","4","2","10","10","1") = "9"
    & skf18("10","1","4","3","1","1","1") = "9"
    & skf18("10","1","4","3","1","2","1") = "9"
    & skf18("10","1","4","3","1","3","1") = "9"
    & skf18("10","1","4","3","1","4","1") = "9"
    & skf18("10","1","4","3","1","5","1") = "9"
    & skf18("10","1","4","3","1","6","1") = "9"
    & skf18("10","1","4","3","1","7","1") = "9"
    & skf18("10","1","4","3","1","8","1") = "9"
    & skf18("10","1","4","3","1","9","1") = "9"
    & skf18("10","1","4","3","1","10","1") = "9"
    & skf18("10","1","4","3","2","1","1") = "9"
    & skf18("10","1","4","3","2","2","1") = "9"
    & skf18("10","1","4","3","2","3","1") = "9"
    & skf18("10","1","4","3","2","4","1") = "9"
    & skf18("10","1","4","3","2","5","1") = "9"
    & skf18("10","1","4","3","2","6","1") = "9"
    & skf18("10","1","4","3","2","7","1") = "9"
    & skf18("10","1","4","3","2","8","1") = "9"
    & skf18("10","1","4","3","2","9","1") = "9"
    & skf18("10","1","4","3","2","10","1") = "9"
    & skf18("10","1","4","3","3","1","1") = "9"
    & skf18("10","1","4","3","3","2","1") = "9"
    & skf18("10","1","4","3","3","3","1") = "9"
    & skf18("10","1","4","3","3","4","1") = "9"
    & skf18("10","1","4","3","3","5","1") = "9"
    & skf18("10","1","4","3","3","6","1") = "9"
    & skf18("10","1","4","3","3","7","1") = "9"
    & skf18("10","1","4","3","3","8","1") = "9"
    & skf18("10","1","4","3","3","9","1") = "9"
    & skf18("10","1","4","3","3","10","1") = "9"
    & skf18("10","1","4","3","4","1","1") = "9"
    & skf18("10","1","4","3","4","2","1") = "9"
    & skf18("10","1","4","3","4","3","1") = "9"
    & skf18("10","1","4","3","4","4","1") = "9"
    & skf18("10","1","4","3","4","5","1") = "9"
    & skf18("10","1","4","3","4","6","1") = "9"
    & skf18("10","1","4","3","4","7","1") = "9"
    & skf18("10","1","4","3","4","8","1") = "9"
    & skf18("10","1","4","3","4","9","1") = "9"
    & skf18("10","1","4","3","4","10","1") = "9"
    & skf18("10","1","4","3","5","1","1") = "9"
    & skf18("10","1","4","3","5","2","1") = "9"
    & skf18("10","1","4","3","5","3","1") = "9"
    & skf18("10","1","4","3","5","4","1") = "9"
    & skf18("10","1","4","3","5","5","1") = "9"
    & skf18("10","1","4","3","5","6","1") = "9"
    & skf18("10","1","4","3","5","7","1") = "9"
    & skf18("10","1","4","3","5","8","1") = "9"
    & skf18("10","1","4","3","5","9","1") = "9"
    & skf18("10","1","4","3","5","10","1") = "9"
    & skf18("10","1","4","3","6","1","1") = "9"
    & skf18("10","1","4","3","6","2","1") = "9"
    & skf18("10","1","4","3","6","3","1") = "9"
    & skf18("10","1","4","3","6","4","1") = "9"
    & skf18("10","1","4","3","6","5","1") = "9"
    & skf18("10","1","4","3","6","6","1") = "9"
    & skf18("10","1","4","3","6","7","1") = "9"
    & skf18("10","1","4","3","6","8","1") = "9"
    & skf18("10","1","4","3","6","9","1") = "9"
    & skf18("10","1","4","3","6","10","1") = "9"
    & skf18("10","1","4","3","7","1","1") = "9"
    & skf18("10","1","4","3","7","2","1") = "9"
    & skf18("10","1","4","3","7","3","1") = "9"
    & skf18("10","1","4","3","7","4","1") = "9"
    & skf18("10","1","4","3","7","5","1") = "9"
    & skf18("10","1","4","3","7","6","1") = "9"
    & skf18("10","1","4","3","7","7","1") = "9"
    & skf18("10","1","4","3","7","8","1") = "9"
    & skf18("10","1","4","3","7","9","1") = "9"
    & skf18("10","1","4","3","7","10","1") = "9"
    & skf18("10","1","4","3","8","1","1") = "9"
    & skf18("10","1","4","3","8","2","1") = "9"
    & skf18("10","1","4","3","8","3","1") = "9"
    & skf18("10","1","4","3","8","4","1") = "9"
    & skf18("10","1","4","3","8","5","1") = "9"
    & skf18("10","1","4","3","8","6","1") = "9"
    & skf18("10","1","4","3","8","7","1") = "9"
    & skf18("10","1","4","3","8","8","1") = "9"
    & skf18("10","1","4","3","8","9","1") = "9"
    & skf18("10","1","4","3","8","10","1") = "9"
    & skf18("10","1","4","3","9","1","1") = "9"
    & skf18("10","1","4","3","9","2","1") = "9"
    & skf18("10","1","4","3","9","3","1") = "9"
    & skf18("10","1","4","3","9","4","1") = "9"
    & skf18("10","1","4","3","9","5","1") = "9"
    & skf18("10","1","4","3","9","6","1") = "9"
    & skf18("10","1","4","3","9","7","1") = "9"
    & skf18("10","1","4","3","9","8","1") = "9"
    & skf18("10","1","4","3","9","9","1") = "9"
    & skf18("10","1","4","3","9","10","1") = "9"
    & skf18("10","1","4","3","10","1","1") = "9"
    & skf18("10","1","4","3","10","2","1") = "9"
    & skf18("10","1","4","3","10","3","1") = "9"
    & skf18("10","1","4","3","10","4","1") = "9"
    & skf18("10","1","4","3","10","5","1") = "9"
    & skf18("10","1","4","3","10","6","1") = "9"
    & skf18("10","1","4","3","10","7","1") = "9"
    & skf18("10","1","4","3","10","8","1") = "9"
    & skf18("10","1","4","3","10","9","1") = "9"
    & skf18("10","1","4","3","10","10","1") = "9"
    & skf18("10","1","4","4","1","1","1") = "9"
    & skf18("10","1","4","4","1","2","1") = "9"
    & skf18("10","1","4","4","1","3","1") = "9"
    & skf18("10","1","4","4","1","4","1") = "9"
    & skf18("10","1","4","4","1","5","1") = "9"
    & skf18("10","1","4","4","1","6","1") = "9"
    & skf18("10","1","4","4","1","7","1") = "9"
    & skf18("10","1","4","4","1","8","1") = "9"
    & skf18("10","1","4","4","1","9","1") = "9"
    & skf18("10","1","4","4","1","10","1") = "9"
    & skf18("10","1","4","4","2","1","1") = "9"
    & skf18("10","1","4","4","2","2","1") = "9"
    & skf18("10","1","4","4","2","3","1") = "9"
    & skf18("10","1","4","4","2","4","1") = "9"
    & skf18("10","1","4","4","2","5","1") = "9"
    & skf18("10","1","4","4","2","6","1") = "9"
    & skf18("10","1","4","4","2","7","1") = "9"
    & skf18("10","1","4","4","2","8","1") = "9"
    & skf18("10","1","4","4","2","9","1") = "9"
    & skf18("10","1","4","4","2","10","1") = "9"
    & skf18("10","1","4","4","3","1","1") = "9"
    & skf18("10","1","4","4","3","2","1") = "9"
    & skf18("10","1","4","4","3","3","1") = "9"
    & skf18("10","1","4","4","3","4","1") = "9"
    & skf18("10","1","4","4","3","5","1") = "9"
    & skf18("10","1","4","4","3","6","1") = "9"
    & skf18("10","1","4","4","3","7","1") = "9"
    & skf18("10","1","4","4","3","8","1") = "9"
    & skf18("10","1","4","4","3","9","1") = "9"
    & skf18("10","1","4","4","3","10","1") = "9"
    & skf18("10","1","4","4","4","1","1") = "9"
    & skf18("10","1","4","4","4","2","1") = "9"
    & skf18("10","1","4","4","4","3","1") = "9"
    & skf18("10","1","4","4","4","4","1") = "9"
    & skf18("10","1","4","4","4","5","1") = "9"
    & skf18("10","1","4","4","4","6","1") = "9"
    & skf18("10","1","4","4","4","7","1") = "9"
    & skf18("10","1","4","4","4","8","1") = "9"
    & skf18("10","1","4","4","4","9","1") = "9"
    & skf18("10","1","4","4","4","10","1") = "9"
    & skf18("10","1","4","4","5","1","1") = "9"
    & skf18("10","1","4","4","5","2","1") = "9"
    & skf18("10","1","4","4","5","3","1") = "9"
    & skf18("10","1","4","4","5","4","1") = "9"
    & skf18("10","1","4","4","5","5","1") = "9"
    & skf18("10","1","4","4","5","6","1") = "9"
    & skf18("10","1","4","4","5","7","1") = "9"
    & skf18("10","1","4","4","5","8","1") = "9"
    & skf18("10","1","4","4","5","9","1") = "9"
    & skf18("10","1","4","4","5","10","1") = "9"
    & skf18("10","1","4","4","6","1","1") = "9"
    & skf18("10","1","4","4","6","2","1") = "9"
    & skf18("10","1","4","4","6","3","1") = "9"
    & skf18("10","1","4","4","6","4","1") = "9"
    & skf18("10","1","4","4","6","5","1") = "9"
    & skf18("10","1","4","4","6","6","1") = "9"
    & skf18("10","1","4","4","6","7","1") = "9"
    & skf18("10","1","4","4","6","8","1") = "9"
    & skf18("10","1","4","4","6","9","1") = "9"
    & skf18("10","1","4","4","6","10","1") = "9"
    & skf18("10","1","4","4","7","1","1") = "9"
    & skf18("10","1","4","4","7","2","1") = "9"
    & skf18("10","1","4","4","7","3","1") = "9"
    & skf18("10","1","4","4","7","4","1") = "9"
    & skf18("10","1","4","4","7","5","1") = "9"
    & skf18("10","1","4","4","7","6","1") = "9"
    & skf18("10","1","4","4","7","7","1") = "9"
    & skf18("10","1","4","4","7","8","1") = "9"
    & skf18("10","1","4","4","7","9","1") = "9"
    & skf18("10","1","4","4","7","10","1") = "9"
    & skf18("10","1","4","4","8","1","1") = "9"
    & skf18("10","1","4","4","8","2","1") = "9"
    & skf18("10","1","4","4","8","3","1") = "9"
    & skf18("10","1","4","4","8","4","1") = "9"
    & skf18("10","1","4","4","8","5","1") = "9"
    & skf18("10","1","4","4","8","6","1") = "9"
    & skf18("10","1","4","4","8","7","1") = "9"
    & skf18("10","1","4","4","8","8","1") = "9"
    & skf18("10","1","4","4","8","9","1") = "9"
    & skf18("10","1","4","4","8","10","1") = "9"
    & skf18("10","1","4","4","9","1","1") = "9"
    & skf18("10","1","4","4","9","2","1") = "9"
    & skf18("10","1","4","4","9","3","1") = "9"
    & skf18("10","1","4","4","9","4","1") = "9"
    & skf18("10","1","4","4","9","5","1") = "9"
    & skf18("10","1","4","4","9","6","1") = "9"
    & skf18("10","1","4","4","9","7","1") = "9"
    & skf18("10","1","4","4","9","8","1") = "9"
    & skf18("10","1","4","4","9","9","1") = "9"
    & skf18("10","1","4","4","9","10","1") = "9"
    & skf18("10","1","4","4","10","1","1") = "9"
    & skf18("10","1","4","4","10","2","1") = "9"
    & skf18("10","1","4","4","10","3","1") = "9"
    & skf18("10","1","4","4","10","4","1") = "9"
    & skf18("10","1","4","4","10","5","1") = "9"
    & skf18("10","1","4","4","10","6","1") = "9"
    & skf18("10","1","4","4","10","7","1") = "9"
    & skf18("10","1","4","4","10","8","1") = "9"
    & skf18("10","1","4","4","10","9","1") = "9"
    & skf18("10","1","4","4","10","10","1") = "9"
    & skf18("10","1","4","5","1","1","1") = "9"
    & skf18("10","1","4","5","1","2","1") = "9"
    & skf18("10","1","4","5","1","3","1") = "9"
    & skf18("10","1","4","5","1","4","1") = "9"
    & skf18("10","1","4","5","1","5","1") = "9"
    & skf18("10","1","4","5","1","6","1") = "9"
    & skf18("10","1","4","5","1","7","1") = "9"
    & skf18("10","1","4","5","1","8","1") = "9"
    & skf18("10","1","4","5","1","9","1") = "9"
    & skf18("10","1","4","5","1","10","1") = "9"
    & skf18("10","1","4","5","2","1","1") = "9"
    & skf18("10","1","4","5","2","2","1") = "9"
    & skf18("10","1","4","5","2","3","1") = "9"
    & skf18("10","1","4","5","2","4","1") = "9"
    & skf18("10","1","4","5","2","5","1") = "9"
    & skf18("10","1","4","5","2","6","1") = "9"
    & skf18("10","1","4","5","2","7","1") = "9"
    & skf18("10","1","4","5","2","8","1") = "9"
    & skf18("10","1","4","5","2","9","1") = "9"
    & skf18("10","1","4","5","2","10","1") = "9"
    & skf18("10","1","4","5","3","1","1") = "9"
    & skf18("10","1","4","5","3","2","1") = "9"
    & skf18("10","1","4","5","3","3","1") = "9"
    & skf18("10","1","4","5","3","4","1") = "9"
    & skf18("10","1","4","5","3","5","1") = "9"
    & skf18("10","1","4","5","3","6","1") = "9"
    & skf18("10","1","4","5","3","7","1") = "9"
    & skf18("10","1","4","5","3","8","1") = "9"
    & skf18("10","1","4","5","3","9","1") = "9"
    & skf18("10","1","4","5","3","10","1") = "9"
    & skf18("10","1","4","5","4","1","1") = "9"
    & skf18("10","1","4","5","4","2","1") = "9"
    & skf18("10","1","4","5","4","3","1") = "9"
    & skf18("10","1","4","5","4","4","1") = "9"
    & skf18("10","1","4","5","4","5","1") = "9"
    & skf18("10","1","4","5","4","6","1") = "9"
    & skf18("10","1","4","5","4","7","1") = "9"
    & skf18("10","1","4","5","4","8","1") = "9"
    & skf18("10","1","4","5","4","9","1") = "9"
    & skf18("10","1","4","5","4","10","1") = "9"
    & skf18("10","1","4","5","5","1","1") = "9"
    & skf18("10","1","4","5","5","2","1") = "9"
    & skf18("10","1","4","5","5","3","1") = "9"
    & skf18("10","1","4","5","5","4","1") = "9"
    & skf18("10","1","4","5","5","5","1") = "9"
    & skf18("10","1","4","5","5","6","1") = "9"
    & skf18("10","1","4","5","5","7","1") = "9"
    & skf18("10","1","4","5","5","8","1") = "9"
    & skf18("10","1","4","5","5","9","1") = "9"
    & skf18("10","1","4","5","5","10","1") = "9"
    & skf18("10","1","4","5","6","1","1") = "9"
    & skf18("10","1","4","5","6","2","1") = "9"
    & skf18("10","1","4","5","6","3","1") = "9"
    & skf18("10","1","4","5","6","4","1") = "9"
    & skf18("10","1","4","5","6","5","1") = "9"
    & skf18("10","1","4","5","6","6","1") = "9"
    & skf18("10","1","4","5","6","7","1") = "9"
    & skf18("10","1","4","5","6","8","1") = "9"
    & skf18("10","1","4","5","6","9","1") = "9"
    & skf18("10","1","4","5","6","10","1") = "9"
    & skf18("10","1","4","5","7","1","1") = "9"
    & skf18("10","1","4","5","7","2","1") = "9"
    & skf18("10","1","4","5","7","3","1") = "9"
    & skf18("10","1","4","5","7","4","1") = "9"
    & skf18("10","1","4","5","7","5","1") = "9"
    & skf18("10","1","4","5","7","6","1") = "9"
    & skf18("10","1","4","5","7","7","1") = "9"
    & skf18("10","1","4","5","7","8","1") = "9"
    & skf18("10","1","4","5","7","9","1") = "9"
    & skf18("10","1","4","5","7","10","1") = "9"
    & skf18("10","1","4","5","8","1","1") = "9"
    & skf18("10","1","4","5","8","2","1") = "9"
    & skf18("10","1","4","5","8","3","1") = "9"
    & skf18("10","1","4","5","8","4","1") = "9"
    & skf18("10","1","4","5","8","5","1") = "9"
    & skf18("10","1","4","5","8","6","1") = "9"
    & skf18("10","1","4","5","8","7","1") = "9"
    & skf18("10","1","4","5","8","8","1") = "9"
    & skf18("10","1","4","5","8","9","1") = "9"
    & skf18("10","1","4","5","8","10","1") = "9"
    & skf18("10","1","4","5","9","1","1") = "9"
    & skf18("10","1","4","5","9","2","1") = "9"
    & skf18("10","1","4","5","9","3","1") = "9"
    & skf18("10","1","4","5","9","4","1") = "9"
    & skf18("10","1","4","5","9","5","1") = "9"
    & skf18("10","1","4","5","9","6","1") = "9"
    & skf18("10","1","4","5","9","7","1") = "9"
    & skf18("10","1","4","5","9","8","1") = "9"
    & skf18("10","1","4","5","9","9","1") = "9"
    & skf18("10","1","4","5","9","10","1") = "9"
    & skf18("10","1","4","5","10","1","1") = "9"
    & skf18("10","1","4","5","10","2","1") = "9"
    & skf18("10","1","4","5","10","3","1") = "9"
    & skf18("10","1","4","5","10","4","1") = "9"
    & skf18("10","1","4","5","10","5","1") = "9"
    & skf18("10","1","4","5","10","6","1") = "9"
    & skf18("10","1","4","5","10","7","1") = "9"
    & skf18("10","1","4","5","10","8","1") = "9"
    & skf18("10","1","4","5","10","9","1") = "9"
    & skf18("10","1","4","5","10","10","1") = "9"
    & skf18("10","1","4","6","1","1","1") = "9"
    & skf18("10","1","4","6","1","2","1") = "9"
    & skf18("10","1","4","6","1","3","1") = "9"
    & skf18("10","1","4","6","1","4","1") = "9"
    & skf18("10","1","4","6","1","5","1") = "9"
    & skf18("10","1","4","6","1","6","1") = "9"
    & skf18("10","1","4","6","1","7","1") = "9"
    & skf18("10","1","4","6","1","8","1") = "9"
    & skf18("10","1","4","6","1","9","1") = "9"
    & skf18("10","1","4","6","1","10","1") = "9"
    & skf18("10","1","4","6","2","1","1") = "9"
    & skf18("10","1","4","6","2","2","1") = "9"
    & skf18("10","1","4","6","2","3","1") = "9"
    & skf18("10","1","4","6","2","4","1") = "9"
    & skf18("10","1","4","6","2","5","1") = "9"
    & skf18("10","1","4","6","2","6","1") = "9"
    & skf18("10","1","4","6","2","7","1") = "9"
    & skf18("10","1","4","6","2","8","1") = "9"
    & skf18("10","1","4","6","2","9","1") = "9"
    & skf18("10","1","4","6","2","10","1") = "9"
    & skf18("10","1","4","6","3","1","1") = "9"
    & skf18("10","1","4","6","3","2","1") = "9"
    & skf18("10","1","4","6","3","3","1") = "9"
    & skf18("10","1","4","6","3","4","1") = "9"
    & skf18("10","1","4","6","3","5","1") = "9"
    & skf18("10","1","4","6","3","6","1") = "9"
    & skf18("10","1","4","6","3","7","1") = "9"
    & skf18("10","1","4","6","3","8","1") = "9"
    & skf18("10","1","4","6","3","9","1") = "9"
    & skf18("10","1","4","6","3","10","1") = "9"
    & skf18("10","1","4","6","4","1","1") = "9"
    & skf18("10","1","4","6","4","2","1") = "9"
    & skf18("10","1","4","6","4","3","1") = "9"
    & skf18("10","1","4","6","4","4","1") = "9"
    & skf18("10","1","4","6","4","5","1") = "9"
    & skf18("10","1","4","6","4","6","1") = "9"
    & skf18("10","1","4","6","4","7","1") = "9"
    & skf18("10","1","4","6","4","8","1") = "9"
    & skf18("10","1","4","6","4","9","1") = "9"
    & skf18("10","1","4","6","4","10","1") = "9"
    & skf18("10","1","4","6","5","1","1") = "9"
    & skf18("10","1","4","6","5","2","1") = "9"
    & skf18("10","1","4","6","5","3","1") = "9"
    & skf18("10","1","4","6","5","4","1") = "9"
    & skf18("10","1","4","6","5","5","1") = "9"
    & skf18("10","1","4","6","5","6","1") = "9"
    & skf18("10","1","4","6","5","7","1") = "9"
    & skf18("10","1","4","6","5","8","1") = "9"
    & skf18("10","1","4","6","5","9","1") = "9"
    & skf18("10","1","4","6","5","10","1") = "9"
    & skf18("10","1","4","6","6","1","1") = "9"
    & skf18("10","1","4","6","6","2","1") = "9"
    & skf18("10","1","4","6","6","3","1") = "9"
    & skf18("10","1","4","6","6","4","1") = "9"
    & skf18("10","1","4","6","6","5","1") = "9"
    & skf18("10","1","4","6","6","6","1") = "9"
    & skf18("10","1","4","6","6","7","1") = "9"
    & skf18("10","1","4","6","6","8","1") = "9"
    & skf18("10","1","4","6","6","9","1") = "9"
    & skf18("10","1","4","6","6","10","1") = "9"
    & skf18("10","1","4","6","7","1","1") = "9"
    & skf18("10","1","4","6","7","2","1") = "9"
    & skf18("10","1","4","6","7","3","1") = "9"
    & skf18("10","1","4","6","7","4","1") = "9"
    & skf18("10","1","4","6","7","5","1") = "9"
    & skf18("10","1","4","6","7","6","1") = "9"
    & skf18("10","1","4","6","7","7","1") = "9"
    & skf18("10","1","4","6","7","8","1") = "9"
    & skf18("10","1","4","6","7","9","1") = "9"
    & skf18("10","1","4","6","7","10","1") = "9"
    & skf18("10","1","4","6","8","1","1") = "9"
    & skf18("10","1","4","6","8","2","1") = "9"
    & skf18("10","1","4","6","8","3","1") = "9"
    & skf18("10","1","4","6","8","4","1") = "9"
    & skf18("10","1","4","6","8","5","1") = "9"
    & skf18("10","1","4","6","8","6","1") = "9"
    & skf18("10","1","4","6","8","7","1") = "9"
    & skf18("10","1","4","6","8","8","1") = "9"
    & skf18("10","1","4","6","8","9","1") = "9"
    & skf18("10","1","4","6","8","10","1") = "9"
    & skf18("10","1","4","6","9","1","1") = "9"
    & skf18("10","1","4","6","9","2","1") = "9"
    & skf18("10","1","4","6","9","3","1") = "9"
    & skf18("10","1","4","6","9","4","1") = "9"
    & skf18("10","1","4","6","9","5","1") = "9"
    & skf18("10","1","4","6","9","6","1") = "9"
    & skf18("10","1","4","6","9","7","1") = "9"
    & skf18("10","1","4","6","9","8","1") = "9"
    & skf18("10","1","4","6","9","9","1") = "9"
    & skf18("10","1","4","6","9","10","1") = "9"
    & skf18("10","1","4","6","10","1","1") = "9"
    & skf18("10","1","4","6","10","2","1") = "9"
    & skf18("10","1","4","6","10","3","1") = "9"
    & skf18("10","1","4","6","10","4","1") = "9"
    & skf18("10","1","4","6","10","5","1") = "9"
    & skf18("10","1","4","6","10","6","1") = "9"
    & skf18("10","1","4","6","10","7","1") = "9"
    & skf18("10","1","4","6","10","8","1") = "9"
    & skf18("10","1","4","6","10","9","1") = "9"
    & skf18("10","1","4","6","10","10","1") = "9"
    & skf18("10","1","4","7","1","1","1") = "9"
    & skf18("10","1","4","7","1","2","1") = "9"
    & skf18("10","1","4","7","1","3","1") = "9"
    & skf18("10","1","4","7","1","4","1") = "9"
    & skf18("10","1","4","7","1","5","1") = "9"
    & skf18("10","1","4","7","1","6","1") = "9"
    & skf18("10","1","4","7","1","7","1") = "9"
    & skf18("10","1","4","7","1","8","1") = "9"
    & skf18("10","1","4","7","1","9","1") = "9"
    & skf18("10","1","4","7","1","10","1") = "9"
    & skf18("10","1","4","7","2","1","1") = "9"
    & skf18("10","1","4","7","2","2","1") = "9"
    & skf18("10","1","4","7","2","3","1") = "9"
    & skf18("10","1","4","7","2","4","1") = "9"
    & skf18("10","1","4","7","2","5","1") = "9"
    & skf18("10","1","4","7","2","6","1") = "9"
    & skf18("10","1","4","7","2","7","1") = "9"
    & skf18("10","1","4","7","2","8","1") = "9"
    & skf18("10","1","4","7","2","9","1") = "9"
    & skf18("10","1","4","7","2","10","1") = "9"
    & skf18("10","1","4","7","3","1","1") = "9"
    & skf18("10","1","4","7","3","2","1") = "9"
    & skf18("10","1","4","7","3","3","1") = "9"
    & skf18("10","1","4","7","3","4","1") = "9"
    & skf18("10","1","4","7","3","5","1") = "9"
    & skf18("10","1","4","7","3","6","1") = "9"
    & skf18("10","1","4","7","3","7","1") = "9"
    & skf18("10","1","4","7","3","8","1") = "9"
    & skf18("10","1","4","7","3","9","1") = "9"
    & skf18("10","1","4","7","3","10","1") = "9"
    & skf18("10","1","4","7","4","1","1") = "9"
    & skf18("10","1","4","7","4","2","1") = "9"
    & skf18("10","1","4","7","4","3","1") = "9"
    & skf18("10","1","4","7","4","4","1") = "9"
    & skf18("10","1","4","7","4","5","1") = "9"
    & skf18("10","1","4","7","4","6","1") = "9"
    & skf18("10","1","4","7","4","7","1") = "9"
    & skf18("10","1","4","7","4","8","1") = "9"
    & skf18("10","1","4","7","4","9","1") = "9"
    & skf18("10","1","4","7","4","10","1") = "9"
    & skf18("10","1","4","7","5","1","1") = "9"
    & skf18("10","1","4","7","5","2","1") = "9"
    & skf18("10","1","4","7","5","3","1") = "9"
    & skf18("10","1","4","7","5","4","1") = "9"
    & skf18("10","1","4","7","5","5","1") = "9"
    & skf18("10","1","4","7","5","6","1") = "9"
    & skf18("10","1","4","7","5","7","1") = "9"
    & skf18("10","1","4","7","5","8","1") = "9"
    & skf18("10","1","4","7","5","9","1") = "9"
    & skf18("10","1","4","7","5","10","1") = "9"
    & skf18("10","1","4","7","6","1","1") = "9"
    & skf18("10","1","4","7","6","2","1") = "9"
    & skf18("10","1","4","7","6","3","1") = "9"
    & skf18("10","1","4","7","6","4","1") = "9"
    & skf18("10","1","4","7","6","5","1") = "9"
    & skf18("10","1","4","7","6","6","1") = "9"
    & skf18("10","1","4","7","6","7","1") = "9"
    & skf18("10","1","4","7","6","8","1") = "9"
    & skf18("10","1","4","7","6","9","1") = "9"
    & skf18("10","1","4","7","6","10","1") = "9"
    & skf18("10","1","4","7","7","1","1") = "9"
    & skf18("10","1","4","7","7","2","1") = "9"
    & skf18("10","1","4","7","7","3","1") = "9"
    & skf18("10","1","4","7","7","4","1") = "9"
    & skf18("10","1","4","7","7","5","1") = "9"
    & skf18("10","1","4","7","7","6","1") = "9"
    & skf18("10","1","4","7","7","7","1") = "9"
    & skf18("10","1","4","7","7","8","1") = "9"
    & skf18("10","1","4","7","7","9","1") = "9"
    & skf18("10","1","4","7","7","10","1") = "9"
    & skf18("10","1","4","7","8","1","1") = "9"
    & skf18("10","1","4","7","8","2","1") = "9"
    & skf18("10","1","4","7","8","3","1") = "9"
    & skf18("10","1","4","7","8","4","1") = "9"
    & skf18("10","1","4","7","8","5","1") = "9"
    & skf18("10","1","4","7","8","6","1") = "9"
    & skf18("10","1","4","7","8","7","1") = "9"
    & skf18("10","1","4","7","8","8","1") = "9"
    & skf18("10","1","4","7","8","9","1") = "9"
    & skf18("10","1","4","7","8","10","1") = "9"
    & skf18("10","1","4","7","9","1","1") = "9"
    & skf18("10","1","4","7","9","2","1") = "9"
    & skf18("10","1","4","7","9","3","1") = "9"
    & skf18("10","1","4","7","9","4","1") = "9"
    & skf18("10","1","4","7","9","5","1") = "9"
    & skf18("10","1","4","7","9","6","1") = "9"
    & skf18("10","1","4","7","9","7","1") = "9"
    & skf18("10","1","4","7","9","8","1") = "9"
    & skf18("10","1","4","7","9","9","1") = "9"
    & skf18("10","1","4","7","9","10","1") = "9"
    & skf18("10","1","4","7","10","1","1") = "9"
    & skf18("10","1","4","7","10","2","1") = "9"
    & skf18("10","1","4","7","10","3","1") = "9"
    & skf18("10","1","4","7","10","4","1") = "9"
    & skf18("10","1","4","7","10","5","1") = "9"
    & skf18("10","1","4","7","10","6","1") = "9"
    & skf18("10","1","4","7","10","7","1") = "9"
    & skf18("10","1","4","7","10","8","1") = "9"
    & skf18("10","1","4","7","10","9","1") = "9"
    & skf18("10","1","4","7","10","10","1") = "9"
    & skf18("10","1","4","8","1","1","1") = "9"
    & skf18("10","1","4","8","1","2","1") = "9"
    & skf18("10","1","4","8","1","3","1") = "9"
    & skf18("10","1","4","8","1","4","1") = "9"
    & skf18("10","1","4","8","1","5","1") = "9"
    & skf18("10","1","4","8","1","6","1") = "9"
    & skf18("10","1","4","8","1","7","1") = "9"
    & skf18("10","1","4","8","1","8","1") = "9"
    & skf18("10","1","4","8","1","9","1") = "9"
    & skf18("10","1","4","8","1","10","1") = "9"
    & skf18("10","1","4","8","2","1","1") = "9"
    & skf18("10","1","4","8","2","2","1") = "9"
    & skf18("10","1","4","8","2","3","1") = "9"
    & skf18("10","1","4","8","2","4","1") = "9"
    & skf18("10","1","4","8","2","5","1") = "9"
    & skf18("10","1","4","8","2","6","1") = "9"
    & skf18("10","1","4","8","2","7","1") = "9"
    & skf18("10","1","4","8","2","8","1") = "9"
    & skf18("10","1","4","8","2","9","1") = "9"
    & skf18("10","1","4","8","2","10","1") = "9"
    & skf18("10","1","4","8","3","1","1") = "9"
    & skf18("10","1","4","8","3","2","1") = "9"
    & skf18("10","1","4","8","3","3","1") = "9"
    & skf18("10","1","4","8","3","4","1") = "9"
    & skf18("10","1","4","8","3","5","1") = "9"
    & skf18("10","1","4","8","3","6","1") = "9"
    & skf18("10","1","4","8","3","7","1") = "9"
    & skf18("10","1","4","8","3","8","1") = "9"
    & skf18("10","1","4","8","3","9","1") = "9"
    & skf18("10","1","4","8","3","10","1") = "9"
    & skf18("10","1","4","8","4","1","1") = "9"
    & skf18("10","1","4","8","4","2","1") = "9"
    & skf18("10","1","4","8","4","3","1") = "9"
    & skf18("10","1","4","8","4","4","1") = "9"
    & skf18("10","1","4","8","4","5","1") = "9"
    & skf18("10","1","4","8","4","6","1") = "9"
    & skf18("10","1","4","8","4","7","1") = "9"
    & skf18("10","1","4","8","4","8","1") = "9"
    & skf18("10","1","4","8","4","9","1") = "9"
    & skf18("10","1","4","8","4","10","1") = "9"
    & skf18("10","1","4","8","5","1","1") = "9"
    & skf18("10","1","4","8","5","2","1") = "9"
    & skf18("10","1","4","8","5","3","1") = "9"
    & skf18("10","1","4","8","5","4","1") = "9"
    & skf18("10","1","4","8","5","5","1") = "9"
    & skf18("10","1","4","8","5","6","1") = "9"
    & skf18("10","1","4","8","5","7","1") = "9"
    & skf18("10","1","4","8","5","8","1") = "9"
    & skf18("10","1","4","8","5","9","1") = "9"
    & skf18("10","1","4","8","5","10","1") = "9"
    & skf18("10","1","4","8","6","1","1") = "9"
    & skf18("10","1","4","8","6","2","1") = "9"
    & skf18("10","1","4","8","6","3","1") = "9"
    & skf18("10","1","4","8","6","4","1") = "9"
    & skf18("10","1","4","8","6","5","1") = "9"
    & skf18("10","1","4","8","6","6","1") = "9"
    & skf18("10","1","4","8","6","7","1") = "9"
    & skf18("10","1","4","8","6","8","1") = "9"
    & skf18("10","1","4","8","6","9","1") = "9"
    & skf18("10","1","4","8","6","10","1") = "9"
    & skf18("10","1","4","8","7","1","1") = "9"
    & skf18("10","1","4","8","7","2","1") = "9"
    & skf18("10","1","4","8","7","3","1") = "9"
    & skf18("10","1","4","8","7","4","1") = "9"
    & skf18("10","1","4","8","7","5","1") = "9"
    & skf18("10","1","4","8","7","6","1") = "9"
    & skf18("10","1","4","8","7","7","1") = "9"
    & skf18("10","1","4","8","7","8","1") = "9"
    & skf18("10","1","4","8","7","9","1") = "9"
    & skf18("10","1","4","8","7","10","1") = "9"
    & skf18("10","1","4","8","8","1","1") = "9"
    & skf18("10","1","4","8","8","2","1") = "9"
    & skf18("10","1","4","8","8","3","1") = "9"
    & skf18("10","1","4","8","8","4","1") = "9"
    & skf18("10","1","4","8","8","5","1") = "9"
    & skf18("10","1","4","8","8","6","1") = "9"
    & skf18("10","1","4","8","8","7","1") = "9"
    & skf18("10","1","4","8","8","8","1") = "9"
    & skf18("10","1","4","8","8","9","1") = "9"
    & skf18("10","1","4","8","8","10","1") = "9"
    & skf18("10","1","4","8","9","1","1") = "9"
    & skf18("10","1","4","8","9","2","1") = "9"
    & skf18("10","1","4","8","9","3","1") = "9"
    & skf18("10","1","4","8","9","4","1") = "9"
    & skf18("10","1","4","8","9","5","1") = "9"
    & skf18("10","1","4","8","9","6","1") = "9"
    & skf18("10","1","4","8","9","7","1") = "9"
    & skf18("10","1","4","8","9","8","1") = "9"
    & skf18("10","1","4","8","9","9","1") = "9"
    & skf18("10","1","4","8","9","10","1") = "9"
    & skf18("10","1","4","8","10","1","1") = "9"
    & skf18("10","1","4","8","10","2","1") = "9"
    & skf18("10","1","4","8","10","3","1") = "9"
    & skf18("10","1","4","8","10","4","1") = "9"
    & skf18("10","1","4","8","10","5","1") = "9"
    & skf18("10","1","4","8","10","6","1") = "9"
    & skf18("10","1","4","8","10","7","1") = "9"
    & skf18("10","1","4","8","10","8","1") = "9"
    & skf18("10","1","4","8","10","9","1") = "9"
    & skf18("10","1","4","8","10","10","1") = "9"
    & skf18("10","1","4","9","1","1","1") = "9"
    & skf18("10","1","4","9","1","2","1") = "9"
    & skf18("10","1","4","9","1","3","1") = "9"
    & skf18("10","1","4","9","1","4","1") = "9"
    & skf18("10","1","4","9","1","5","1") = "9"
    & skf18("10","1","4","9","1","6","1") = "9"
    & skf18("10","1","4","9","1","7","1") = "9"
    & skf18("10","1","4","9","1","8","1") = "9"
    & skf18("10","1","4","9","1","9","1") = "9"
    & skf18("10","1","4","9","1","10","1") = "9"
    & skf18("10","1","4","9","2","1","1") = "9"
    & skf18("10","1","4","9","2","2","1") = "9"
    & skf18("10","1","4","9","2","3","1") = "9"
    & skf18("10","1","4","9","2","4","1") = "9"
    & skf18("10","1","4","9","2","5","1") = "9"
    & skf18("10","1","4","9","2","6","1") = "9"
    & skf18("10","1","4","9","2","7","1") = "9"
    & skf18("10","1","4","9","2","8","1") = "9"
    & skf18("10","1","4","9","2","9","1") = "9"
    & skf18("10","1","4","9","2","10","1") = "9"
    & skf18("10","1","4","9","3","1","1") = "9"
    & skf18("10","1","4","9","3","2","1") = "9"
    & skf18("10","1","4","9","3","3","1") = "9"
    & skf18("10","1","4","9","3","4","1") = "9"
    & skf18("10","1","4","9","3","5","1") = "9"
    & skf18("10","1","4","9","3","6","1") = "9"
    & skf18("10","1","4","9","3","7","1") = "9"
    & skf18("10","1","4","9","3","8","1") = "9"
    & skf18("10","1","4","9","3","9","1") = "9"
    & skf18("10","1","4","9","3","10","1") = "9"
    & skf18("10","1","4","9","4","1","1") = "9"
    & skf18("10","1","4","9","4","2","1") = "9"
    & skf18("10","1","4","9","4","3","1") = "9"
    & skf18("10","1","4","9","4","4","1") = "9"
    & skf18("10","1","4","9","4","5","1") = "9"
    & skf18("10","1","4","9","4","6","1") = "9"
    & skf18("10","1","4","9","4","7","1") = "9"
    & skf18("10","1","4","9","4","8","1") = "9"
    & skf18("10","1","4","9","4","9","1") = "9"
    & skf18("10","1","4","9","4","10","1") = "9"
    & skf18("10","1","4","9","5","1","1") = "9"
    & skf18("10","1","4","9","5","2","1") = "9"
    & skf18("10","1","4","9","5","3","1") = "9"
    & skf18("10","1","4","9","5","4","1") = "9"
    & skf18("10","1","4","9","5","5","1") = "9"
    & skf18("10","1","4","9","5","6","1") = "9"
    & skf18("10","1","4","9","5","7","1") = "9"
    & skf18("10","1","4","9","5","8","1") = "9"
    & skf18("10","1","4","9","5","9","1") = "9"
    & skf18("10","1","4","9","5","10","1") = "9"
    & skf18("10","1","4","9","6","1","1") = "9"
    & skf18("10","1","4","9","6","2","1") = "9"
    & skf18("10","1","4","9","6","3","1") = "9"
    & skf18("10","1","4","9","6","4","1") = "9"
    & skf18("10","1","4","9","6","5","1") = "9"
    & skf18("10","1","4","9","6","6","1") = "9"
    & skf18("10","1","4","9","6","7","1") = "9"
    & skf18("10","1","4","9","6","8","1") = "9"
    & skf18("10","1","4","9","6","9","1") = "9"
    & skf18("10","1","4","9","6","10","1") = "9"
    & skf18("10","1","4","9","7","1","1") = "9"
    & skf18("10","1","4","9","7","2","1") = "9"
    & skf18("10","1","4","9","7","3","1") = "9"
    & skf18("10","1","4","9","7","4","1") = "9"
    & skf18("10","1","4","9","7","5","1") = "9"
    & skf18("10","1","4","9","7","6","1") = "9"
    & skf18("10","1","4","9","7","7","1") = "9"
    & skf18("10","1","4","9","7","8","1") = "9"
    & skf18("10","1","4","9","7","9","1") = "9"
    & skf18("10","1","4","9","7","10","1") = "9"
    & skf18("10","1","4","9","8","1","1") = "9"
    & skf18("10","1","4","9","8","2","1") = "9"
    & skf18("10","1","4","9","8","3","1") = "9"
    & skf18("10","1","4","9","8","4","1") = "9"
    & skf18("10","1","4","9","8","5","1") = "9"
    & skf18("10","1","4","9","8","6","1") = "9"
    & skf18("10","1","4","9","8","7","1") = "9"
    & skf18("10","1","4","9","8","8","1") = "9"
    & skf18("10","1","4","9","8","9","1") = "9"
    & skf18("10","1","4","9","8","10","1") = "9"
    & skf18("10","1","4","9","9","1","1") = "9"
    & skf18("10","1","4","9","9","2","1") = "9"
    & skf18("10","1","4","9","9","3","1") = "9"
    & skf18("10","1","4","9","9","4","1") = "9"
    & skf18("10","1","4","9","9","5","1") = "9"
    & skf18("10","1","4","9","9","6","1") = "9"
    & skf18("10","1","4","9","9","7","1") = "9"
    & skf18("10","1","4","9","9","8","1") = "9"
    & skf18("10","1","4","9","9","9","1") = "9"
    & skf18("10","1","4","9","9","10","1") = "9"
    & skf18("10","1","4","9","10","1","1") = "9"
    & skf18("10","1","4","9","10","2","1") = "9"
    & skf18("10","1","4","9","10","3","1") = "9"
    & skf18("10","1","4","9","10","4","1") = "9"
    & skf18("10","1","4","9","10","5","1") = "9"
    & skf18("10","1","4","9","10","6","1") = "9"
    & skf18("10","1","4","9","10","7","1") = "9"
    & skf18("10","1","4","9","10","8","1") = "9"
    & skf18("10","1","4","9","10","9","1") = "9"
    & skf18("10","1","4","9","10","10","1") = "9"
    & skf18("10","1","4","10","1","1","1") = "9"
    & skf18("10","1","4","10","1","2","1") = "9"
    & skf18("10","1","4","10","1","3","1") = "9"
    & skf18("10","1","4","10","1","4","1") = "9"
    & skf18("10","1","4","10","1","5","1") = "9"
    & skf18("10","1","4","10","1","6","1") = "9"
    & skf18("10","1","4","10","1","7","1") = "9"
    & skf18("10","1","4","10","1","8","1") = "9"
    & skf18("10","1","4","10","1","9","1") = "9"
    & skf18("10","1","4","10","1","10","1") = "9"
    & skf18("10","1","4","10","2","1","1") = "9"
    & skf18("10","1","4","10","2","2","1") = "9"
    & skf18("10","1","4","10","2","3","1") = "9"
    & skf18("10","1","4","10","2","4","1") = "9"
    & skf18("10","1","4","10","2","5","1") = "9"
    & skf18("10","1","4","10","2","6","1") = "9"
    & skf18("10","1","4","10","2","7","1") = "9"
    & skf18("10","1","4","10","2","8","1") = "9"
    & skf18("10","1","4","10","2","9","1") = "9"
    & skf18("10","1","4","10","2","10","1") = "9"
    & skf18("10","1","4","10","3","1","1") = "9"
    & skf18("10","1","4","10","3","2","1") = "9"
    & skf18("10","1","4","10","3","3","1") = "9"
    & skf18("10","1","4","10","3","4","1") = "9"
    & skf18("10","1","4","10","3","5","1") = "9"
    & skf18("10","1","4","10","3","6","1") = "9"
    & skf18("10","1","4","10","3","7","1") = "9"
    & skf18("10","1","4","10","3","8","1") = "9"
    & skf18("10","1","4","10","3","9","1") = "9"
    & skf18("10","1","4","10","3","10","1") = "9"
    & skf18("10","1","4","10","4","1","1") = "9"
    & skf18("10","1","4","10","4","2","1") = "9"
    & skf18("10","1","4","10","4","3","1") = "9"
    & skf18("10","1","4","10","4","4","1") = "9"
    & skf18("10","1","4","10","4","5","1") = "9"
    & skf18("10","1","4","10","4","6","1") = "9"
    & skf18("10","1","4","10","4","7","1") = "9"
    & skf18("10","1","4","10","4","8","1") = "9"
    & skf18("10","1","4","10","4","9","1") = "9"
    & skf18("10","1","4","10","4","10","1") = "9"
    & skf18("10","1","4","10","5","1","1") = "9"
    & skf18("10","1","4","10","5","2","1") = "9"
    & skf18("10","1","4","10","5","3","1") = "9"
    & skf18("10","1","4","10","5","4","1") = "9"
    & skf18("10","1","4","10","5","5","1") = "9"
    & skf18("10","1","4","10","5","6","1") = "9"
    & skf18("10","1","4","10","5","7","1") = "9"
    & skf18("10","1","4","10","5","8","1") = "9"
    & skf18("10","1","4","10","5","9","1") = "9"
    & skf18("10","1","4","10","5","10","1") = "9"
    & skf18("10","1","4","10","6","1","1") = "9"
    & skf18("10","1","4","10","6","2","1") = "9"
    & skf18("10","1","4","10","6","3","1") = "9"
    & skf18("10","1","4","10","6","4","1") = "9"
    & skf18("10","1","4","10","6","5","1") = "9"
    & skf18("10","1","4","10","6","6","1") = "9"
    & skf18("10","1","4","10","6","7","1") = "9"
    & skf18("10","1","4","10","6","8","1") = "9"
    & skf18("10","1","4","10","6","9","1") = "9"
    & skf18("10","1","4","10","6","10","1") = "9"
    & skf18("10","1","4","10","7","1","1") = "9"
    & skf18("10","1","4","10","7","2","1") = "9"
    & skf18("10","1","4","10","7","3","1") = "9"
    & skf18("10","1","4","10","7","4","1") = "9"
    & skf18("10","1","4","10","7","5","1") = "9"
    & skf18("10","1","4","10","7","6","1") = "9"
    & skf18("10","1","4","10","7","7","1") = "9"
    & skf18("10","1","4","10","7","8","1") = "9"
    & skf18("10","1","4","10","7","9","1") = "9"
    & skf18("10","1","4","10","7","10","1") = "9"
    & skf18("10","1","4","10","8","1","1") = "9"
    & skf18("10","1","4","10","8","2","1") = "9"
    & skf18("10","1","4","10","8","3","1") = "9"
    & skf18("10","1","4","10","8","4","1") = "9"
    & skf18("10","1","4","10","8","5","1") = "9"
    & skf18("10","1","4","10","8","6","1") = "9"
    & skf18("10","1","4","10","8","7","1") = "9"
    & skf18("10","1","4","10","8","8","1") = "9"
    & skf18("10","1","4","10","8","9","1") = "9"
    & skf18("10","1","4","10","8","10","1") = "9"
    & skf18("10","1","4","10","9","1","1") = "9"
    & skf18("10","1","4","10","9","2","1") = "9"
    & skf18("10","1","4","10","9","3","1") = "9"
    & skf18("10","1","4","10","9","4","1") = "9"
    & skf18("10","1","4","10","9","5","1") = "9"
    & skf18("10","1","4","10","9","6","1") = "9"
    & skf18("10","1","4","10","9","7","1") = "9"
    & skf18("10","1","4","10","9","8","1") = "9"
    & skf18("10","1","4","10","9","9","1") = "9"
    & skf18("10","1","4","10","9","10","1") = "9"
    & skf18("10","1","4","10","10","1","1") = "9"
    & skf18("10","1","4","10","10","2","1") = "9"
    & skf18("10","1","4","10","10","3","1") = "9"
    & skf18("10","1","4","10","10","4","1") = "9"
    & skf18("10","1","4","10","10","5","1") = "9"
    & skf18("10","1","4","10","10","6","1") = "9"
    & skf18("10","1","4","10","10","7","1") = "9"
    & skf18("10","1","4","10","10","8","1") = "9"
    & skf18("10","1","4","10","10","9","1") = "9"
    & skf18("10","1","4","10","10","10","1") = "9"
    & skf18("10","1","5","1","1","1","1") = "9"
    & skf18("10","1","5","1","1","2","1") = "9"
    & skf18("10","1","5","1","1","3","1") = "9"
    & skf18("10","1","5","1","1","4","1") = "9"
    & skf18("10","1","5","1","1","5","1") = "9"
    & skf18("10","1","5","1","1","6","1") = "9"
    & skf18("10","1","5","1","1","7","1") = "9"
    & skf18("10","1","5","1","1","8","1") = "9"
    & skf18("10","1","5","1","1","9","1") = "9"
    & skf18("10","1","5","1","1","10","1") = "9"
    & skf18("10","1","5","1","2","1","1") = "9"
    & skf18("10","1","5","1","2","2","1") = "9"
    & skf18("10","1","5","1","2","3","1") = "9"
    & skf18("10","1","5","1","2","4","1") = "9"
    & skf18("10","1","5","1","2","5","1") = "9"
    & skf18("10","1","5","1","2","6","1") = "9"
    & skf18("10","1","5","1","2","7","1") = "9"
    & skf18("10","1","5","1","2","8","1") = "9"
    & skf18("10","1","5","1","2","9","1") = "9"
    & skf18("10","1","5","1","2","10","1") = "9"
    & skf18("10","1","5","1","3","1","1") = "9"
    & skf18("10","1","5","1","3","2","1") = "9"
    & skf18("10","1","5","1","3","3","1") = "9"
    & skf18("10","1","5","1","3","4","1") = "9"
    & skf18("10","1","5","1","3","5","1") = "9"
    & skf18("10","1","5","1","3","6","1") = "9"
    & skf18("10","1","5","1","3","7","1") = "9"
    & skf18("10","1","5","1","3","8","1") = "9"
    & skf18("10","1","5","1","3","9","1") = "9"
    & skf18("10","1","5","1","3","10","1") = "9"
    & skf18("10","1","5","1","4","1","1") = "9"
    & skf18("10","1","5","1","4","2","1") = "9"
    & skf18("10","1","5","1","4","3","1") = "9"
    & skf18("10","1","5","1","4","4","1") = "9"
    & skf18("10","1","5","1","4","5","1") = "9"
    & skf18("10","1","5","1","4","6","1") = "9"
    & skf18("10","1","5","1","4","7","1") = "9"
    & skf18("10","1","5","1","4","8","1") = "9"
    & skf18("10","1","5","1","4","9","1") = "9"
    & skf18("10","1","5","1","4","10","1") = "9"
    & skf18("10","1","5","1","5","1","1") = "9"
    & skf18("10","1","5","1","5","2","1") = "9"
    & skf18("10","1","5","1","5","3","1") = "9"
    & skf18("10","1","5","1","5","4","1") = "9"
    & skf18("10","1","5","1","5","5","1") = "9"
    & skf18("10","1","5","1","5","6","1") = "9"
    & skf18("10","1","5","1","5","7","1") = "9"
    & skf18("10","1","5","1","5","8","1") = "9"
    & skf18("10","1","5","1","5","9","1") = "9"
    & skf18("10","1","5","1","5","10","1") = "9"
    & skf18("10","1","5","1","6","1","1") = "9"
    & skf18("10","1","5","1","6","2","1") = "9"
    & skf18("10","1","5","1","6","3","1") = "9"
    & skf18("10","1","5","1","6","4","1") = "9"
    & skf18("10","1","5","1","6","5","1") = "9"
    & skf18("10","1","5","1","6","6","1") = "9"
    & skf18("10","1","5","1","6","7","1") = "9"
    & skf18("10","1","5","1","6","8","1") = "9"
    & skf18("10","1","5","1","6","9","1") = "9"
    & skf18("10","1","5","1","6","10","1") = "9"
    & skf18("10","1","5","1","7","1","1") = "9"
    & skf18("10","1","5","1","7","2","1") = "9"
    & skf18("10","1","5","1","7","3","1") = "9"
    & skf18("10","1","5","1","7","4","1") = "9"
    & skf18("10","1","5","1","7","5","1") = "9"
    & skf18("10","1","5","1","7","6","1") = "9"
    & skf18("10","1","5","1","7","7","1") = "9"
    & skf18("10","1","5","1","7","8","1") = "9"
    & skf18("10","1","5","1","7","9","1") = "9"
    & skf18("10","1","5","1","7","10","1") = "9"
    & skf18("10","1","5","1","8","1","1") = "9"
    & skf18("10","1","5","1","8","2","1") = "9"
    & skf18("10","1","5","1","8","3","1") = "9"
    & skf18("10","1","5","1","8","4","1") = "9"
    & skf18("10","1","5","1","8","5","1") = "9"
    & skf18("10","1","5","1","8","6","1") = "9"
    & skf18("10","1","5","1","8","7","1") = "9"
    & skf18("10","1","5","1","8","8","1") = "9"
    & skf18("10","1","5","1","8","9","1") = "9"
    & skf18("10","1","5","1","8","10","1") = "9"
    & skf18("10","1","5","1","9","1","1") = "9"
    & skf18("10","1","5","1","9","2","1") = "9"
    & skf18("10","1","5","1","9","3","1") = "9"
    & skf18("10","1","5","1","9","4","1") = "9"
    & skf18("10","1","5","1","9","5","1") = "9"
    & skf18("10","1","5","1","9","6","1") = "9"
    & skf18("10","1","5","1","9","7","1") = "9"
    & skf18("10","1","5","1","9","8","1") = "9"
    & skf18("10","1","5","1","9","9","1") = "9"
    & skf18("10","1","5","1","9","10","1") = "9"
    & skf18("10","1","5","1","10","1","1") = "9"
    & skf18("10","1","5","1","10","2","1") = "9"
    & skf18("10","1","5","1","10","3","1") = "9"
    & skf18("10","1","5","1","10","4","1") = "9"
    & skf18("10","1","5","1","10","5","1") = "9"
    & skf18("10","1","5","1","10","6","1") = "9"
    & skf18("10","1","5","1","10","7","1") = "9"
    & skf18("10","1","5","1","10","8","1") = "9"
    & skf18("10","1","5","1","10","9","1") = "9"
    & skf18("10","1","5","1","10","10","1") = "9"
    & skf18("10","1","5","2","1","1","1") = "9"
    & skf18("10","1","5","2","1","2","1") = "9"
    & skf18("10","1","5","2","1","3","1") = "9"
    & skf18("10","1","5","2","1","4","1") = "9"
    & skf18("10","1","5","2","1","5","1") = "9"
    & skf18("10","1","5","2","1","6","1") = "9"
    & skf18("10","1","5","2","1","7","1") = "9"
    & skf18("10","1","5","2","1","8","1") = "9"
    & skf18("10","1","5","2","1","9","1") = "9"
    & skf18("10","1","5","2","1","10","1") = "9"
    & skf18("10","1","5","2","2","1","1") = "9"
    & skf18("10","1","5","2","2","2","1") = "9"
    & skf18("10","1","5","2","2","3","1") = "9"
    & skf18("10","1","5","2","2","4","1") = "9"
    & skf18("10","1","5","2","2","5","1") = "9"
    & skf18("10","1","5","2","2","6","1") = "9"
    & skf18("10","1","5","2","2","7","1") = "9"
    & skf18("10","1","5","2","2","8","1") = "9"
    & skf18("10","1","5","2","2","9","1") = "9"
    & skf18("10","1","5","2","2","10","1") = "9"
    & skf18("10","1","5","2","3","1","1") = "9"
    & skf18("10","1","5","2","3","2","1") = "9"
    & skf18("10","1","5","2","3","3","1") = "9"
    & skf18("10","1","5","2","3","4","1") = "9"
    & skf18("10","1","5","2","3","5","1") = "9"
    & skf18("10","1","5","2","3","6","1") = "9"
    & skf18("10","1","5","2","3","7","1") = "9"
    & skf18("10","1","5","2","3","8","1") = "9"
    & skf18("10","1","5","2","3","9","1") = "9"
    & skf18("10","1","5","2","3","10","1") = "9"
    & skf18("10","1","5","2","4","1","1") = "9"
    & skf18("10","1","5","2","4","2","1") = "9"
    & skf18("10","1","5","2","4","3","1") = "9"
    & skf18("10","1","5","2","4","4","1") = "9"
    & skf18("10","1","5","2","4","5","1") = "9"
    & skf18("10","1","5","2","4","6","1") = "9"
    & skf18("10","1","5","2","4","7","1") = "9"
    & skf18("10","1","5","2","4","8","1") = "9"
    & skf18("10","1","5","2","4","9","1") = "9"
    & skf18("10","1","5","2","4","10","1") = "9"
    & skf18("10","1","5","2","5","1","1") = "9"
    & skf18("10","1","5","2","5","2","1") = "9"
    & skf18("10","1","5","2","5","3","1") = "9"
    & skf18("10","1","5","2","5","4","1") = "9"
    & skf18("10","1","5","2","5","5","1") = "9"
    & skf18("10","1","5","2","5","6","1") = "9"
    & skf18("10","1","5","2","5","7","1") = "9"
    & skf18("10","1","5","2","5","8","1") = "9"
    & skf18("10","1","5","2","5","9","1") = "9"
    & skf18("10","1","5","2","5","10","1") = "9"
    & skf18("10","1","5","2","6","1","1") = "9"
    & skf18("10","1","5","2","6","2","1") = "9"
    & skf18("10","1","5","2","6","3","1") = "9"
    & skf18("10","1","5","2","6","4","1") = "9"
    & skf18("10","1","5","2","6","5","1") = "9"
    & skf18("10","1","5","2","6","6","1") = "9"
    & skf18("10","1","5","2","6","7","1") = "9"
    & skf18("10","1","5","2","6","8","1") = "9"
    & skf18("10","1","5","2","6","9","1") = "9"
    & skf18("10","1","5","2","6","10","1") = "9"
    & skf18("10","1","5","2","7","1","1") = "9"
    & skf18("10","1","5","2","7","2","1") = "9"
    & skf18("10","1","5","2","7","3","1") = "9"
    & skf18("10","1","5","2","7","4","1") = "9"
    & skf18("10","1","5","2","7","5","1") = "9"
    & skf18("10","1","5","2","7","6","1") = "9"
    & skf18("10","1","5","2","7","7","1") = "9"
    & skf18("10","1","5","2","7","8","1") = "9"
    & skf18("10","1","5","2","7","9","1") = "9"
    & skf18("10","1","5","2","7","10","1") = "9"
    & skf18("10","1","5","2","8","1","1") = "9"
    & skf18("10","1","5","2","8","2","1") = "9"
    & skf18("10","1","5","2","8","3","1") = "9"
    & skf18("10","1","5","2","8","4","1") = "9"
    & skf18("10","1","5","2","8","5","1") = "9"
    & skf18("10","1","5","2","8","6","1") = "9"
    & skf18("10","1","5","2","8","7","1") = "9"
    & skf18("10","1","5","2","8","8","1") = "9"
    & skf18("10","1","5","2","8","9","1") = "9"
    & skf18("10","1","5","2","8","10","1") = "9"
    & skf18("10","1","5","2","9","1","1") = "9"
    & skf18("10","1","5","2","9","2","1") = "9"
    & skf18("10","1","5","2","9","3","1") = "9"
    & skf18("10","1","5","2","9","4","1") = "9"
    & skf18("10","1","5","2","9","5","1") = "9"
    & skf18("10","1","5","2","9","6","1") = "9"
    & skf18("10","1","5","2","9","7","1") = "9"
    & skf18("10","1","5","2","9","8","1") = "9"
    & skf18("10","1","5","2","9","9","1") = "9"
    & skf18("10","1","5","2","9","10","1") = "9"
    & skf18("10","1","5","2","10","1","1") = "9"
    & skf18("10","1","5","2","10","2","1") = "9"
    & skf18("10","1","5","2","10","3","1") = "9"
    & skf18("10","1","5","2","10","4","1") = "9"
    & skf18("10","1","5","2","10","5","1") = "9"
    & skf18("10","1","5","2","10","6","1") = "9"
    & skf18("10","1","5","2","10","7","1") = "9"
    & skf18("10","1","5","2","10","8","1") = "9"
    & skf18("10","1","5","2","10","9","1") = "9"
    & skf18("10","1","5","2","10","10","1") = "9"
    & skf18("10","1","5","3","1","1","1") = "9"
    & skf18("10","1","5","3","1","2","1") = "9"
    & skf18("10","1","5","3","1","3","1") = "9"
    & skf18("10","1","5","3","1","4","1") = "9"
    & skf18("10","1","5","3","1","5","1") = "9"
    & skf18("10","1","5","3","1","6","1") = "9"
    & skf18("10","1","5","3","1","7","1") = "9"
    & skf18("10","1","5","3","1","8","1") = "9"
    & skf18("10","1","5","3","1","9","1") = "9"
    & skf18("10","1","5","3","1","10","1") = "9"
    & skf18("10","1","5","3","2","1","1") = "9"
    & skf18("10","1","5","3","2","2","1") = "9"
    & skf18("10","1","5","3","2","3","1") = "9"
    & skf18("10","1","5","3","2","4","1") = "9"
    & skf18("10","1","5","3","2","5","1") = "9"
    & skf18("10","1","5","3","2","6","1") = "9"
    & skf18("10","1","5","3","2","7","1") = "9"
    & skf18("10","1","5","3","2","8","1") = "9"
    & skf18("10","1","5","3","2","9","1") = "9"
    & skf18("10","1","5","3","2","10","1") = "9"
    & skf18("10","1","5","3","3","1","1") = "9"
    & skf18("10","1","5","3","3","2","1") = "9"
    & skf18("10","1","5","3","3","3","1") = "9"
    & skf18("10","1","5","3","3","4","1") = "9"
    & skf18("10","1","5","3","3","5","1") = "9"
    & skf18("10","1","5","3","3","6","1") = "9"
    & skf18("10","1","5","3","3","7","1") = "9"
    & skf18("10","1","5","3","3","8","1") = "9"
    & skf18("10","1","5","3","3","9","1") = "9"
    & skf18("10","1","5","3","3","10","1") = "9"
    & skf18("10","1","5","3","4","1","1") = "9"
    & skf18("10","1","5","3","4","2","1") = "9"
    & skf18("10","1","5","3","4","3","1") = "9"
    & skf18("10","1","5","3","4","4","1") = "9"
    & skf18("10","1","5","3","4","5","1") = "9"
    & skf18("10","1","5","3","4","6","1") = "9"
    & skf18("10","1","5","3","4","7","1") = "9"
    & skf18("10","1","5","3","4","8","1") = "9"
    & skf18("10","1","5","3","4","9","1") = "9"
    & skf18("10","1","5","3","4","10","1") = "9"
    & skf18("10","1","5","3","5","1","1") = "9"
    & skf18("10","1","5","3","5","2","1") = "9"
    & skf18("10","1","5","3","5","3","1") = "9"
    & skf18("10","1","5","3","5","4","1") = "9"
    & skf18("10","1","5","3","5","5","1") = "9"
    & skf18("10","1","5","3","5","6","1") = "9"
    & skf18("10","1","5","3","5","7","1") = "9"
    & skf18("10","1","5","3","5","8","1") = "9"
    & skf18("10","1","5","3","5","9","1") = "9"
    & skf18("10","1","5","3","5","10","1") = "9"
    & skf18("10","1","5","3","6","1","1") = "9"
    & skf18("10","1","5","3","6","2","1") = "9"
    & skf18("10","1","5","3","6","3","1") = "9"
    & skf18("10","1","5","3","6","4","1") = "9"
    & skf18("10","1","5","3","6","5","1") = "9"
    & skf18("10","1","5","3","6","6","1") = "9"
    & skf18("10","1","5","3","6","7","1") = "9"
    & skf18("10","1","5","3","6","8","1") = "9"
    & skf18("10","1","5","3","6","9","1") = "9"
    & skf18("10","1","5","3","6","10","1") = "9"
    & skf18("10","1","5","3","7","1","1") = "9"
    & skf18("10","1","5","3","7","2","1") = "9"
    & skf18("10","1","5","3","7","3","1") = "9"
    & skf18("10","1","5","3","7","4","1") = "9"
    & skf18("10","1","5","3","7","5","1") = "9"
    & skf18("10","1","5","3","7","6","1") = "9"
    & skf18("10","1","5","3","7","7","1") = "9"
    & skf18("10","1","5","3","7","8","1") = "9"
    & skf18("10","1","5","3","7","9","1") = "9"
    & skf18("10","1","5","3","7","10","1") = "9"
    & skf18("10","1","5","3","8","1","1") = "9"
    & skf18("10","1","5","3","8","2","1") = "9"
    & skf18("10","1","5","3","8","3","1") = "9"
    & skf18("10","1","5","3","8","4","1") = "9"
    & skf18("10","1","5","3","8","5","1") = "9"
    & skf18("10","1","5","3","8","6","1") = "9"
    & skf18("10","1","5","3","8","7","1") = "9"
    & skf18("10","1","5","3","8","8","1") = "9"
    & skf18("10","1","5","3","8","9","1") = "9"
    & skf18("10","1","5","3","8","10","1") = "9"
    & skf18("10","1","5","3","9","1","1") = "9"
    & skf18("10","1","5","3","9","2","1") = "9"
    & skf18("10","1","5","3","9","3","1") = "9"
    & skf18("10","1","5","3","9","4","1") = "9"
    & skf18("10","1","5","3","9","5","1") = "9"
    & skf18("10","1","5","3","9","6","1") = "9"
    & skf18("10","1","5","3","9","7","1") = "9"
    & skf18("10","1","5","3","9","8","1") = "9"
    & skf18("10","1","5","3","9","9","1") = "9"
    & skf18("10","1","5","3","9","10","1") = "9"
    & skf18("10","1","5","3","10","1","1") = "9"
    & skf18("10","1","5","3","10","2","1") = "9"
    & skf18("10","1","5","3","10","3","1") = "9"
    & skf18("10","1","5","3","10","4","1") = "9"
    & skf18("10","1","5","3","10","5","1") = "9"
    & skf18("10","1","5","3","10","6","1") = "9"
    & skf18("10","1","5","3","10","7","1") = "9"
    & skf18("10","1","5","3","10","8","1") = "9"
    & skf18("10","1","5","3","10","9","1") = "9"
    & skf18("10","1","5","3","10","10","1") = "9"
    & skf18("10","1","5","4","1","1","1") = "9"
    & skf18("10","1","5","4","1","2","1") = "9"
    & skf18("10","1","5","4","1","3","1") = "9"
    & skf18("10","1","5","4","1","4","1") = "9"
    & skf18("10","1","5","4","1","5","1") = "9"
    & skf18("10","1","5","4","1","6","1") = "9"
    & skf18("10","1","5","4","1","7","1") = "9"
    & skf18("10","1","5","4","1","8","1") = "9"
    & skf18("10","1","5","4","1","9","1") = "9"
    & skf18("10","1","5","4","1","10","1") = "9"
    & skf18("10","1","5","4","2","1","1") = "9"
    & skf18("10","1","5","4","2","2","1") = "9"
    & skf18("10","1","5","4","2","3","1") = "9"
    & skf18("10","1","5","4","2","4","1") = "9"
    & skf18("10","1","5","4","2","5","1") = "9"
    & skf18("10","1","5","4","2","6","1") = "9"
    & skf18("10","1","5","4","2","7","1") = "9"
    & skf18("10","1","5","4","2","8","1") = "9"
    & skf18("10","1","5","4","2","9","1") = "9"
    & skf18("10","1","5","4","2","10","1") = "9"
    & skf18("10","1","5","4","3","1","1") = "9"
    & skf18("10","1","5","4","3","2","1") = "9"
    & skf18("10","1","5","4","3","3","1") = "9"
    & skf18("10","1","5","4","3","4","1") = "9"
    & skf18("10","1","5","4","3","5","1") = "9"
    & skf18("10","1","5","4","3","6","1") = "9"
    & skf18("10","1","5","4","3","7","1") = "9"
    & skf18("10","1","5","4","3","8","1") = "9"
    & skf18("10","1","5","4","3","9","1") = "9"
    & skf18("10","1","5","4","3","10","1") = "9"
    & skf18("10","1","5","4","4","1","1") = "9"
    & skf18("10","1","5","4","4","2","1") = "9"
    & skf18("10","1","5","4","4","3","1") = "9"
    & skf18("10","1","5","4","4","4","1") = "9"
    & skf18("10","1","5","4","4","5","1") = "9"
    & skf18("10","1","5","4","4","6","1") = "9"
    & skf18("10","1","5","4","4","7","1") = "9"
    & skf18("10","1","5","4","4","8","1") = "9"
    & skf18("10","1","5","4","4","9","1") = "9"
    & skf18("10","1","5","4","4","10","1") = "9"
    & skf18("10","1","5","4","5","1","1") = "9"
    & skf18("10","1","5","4","5","2","1") = "9"
    & skf18("10","1","5","4","5","3","1") = "9"
    & skf18("10","1","5","4","5","4","1") = "9"
    & skf18("10","1","5","4","5","5","1") = "9"
    & skf18("10","1","5","4","5","6","1") = "9"
    & skf18("10","1","5","4","5","7","1") = "9"
    & skf18("10","1","5","4","5","8","1") = "9"
    & skf18("10","1","5","4","5","9","1") = "9"
    & skf18("10","1","5","4","5","10","1") = "9"
    & skf18("10","1","5","4","6","1","1") = "9"
    & skf18("10","1","5","4","6","2","1") = "9"
    & skf18("10","1","5","4","6","3","1") = "9"
    & skf18("10","1","5","4","6","4","1") = "9"
    & skf18("10","1","5","4","6","5","1") = "9"
    & skf18("10","1","5","4","6","6","1") = "9"
    & skf18("10","1","5","4","6","7","1") = "9"
    & skf18("10","1","5","4","6","8","1") = "9"
    & skf18("10","1","5","4","6","9","1") = "9"
    & skf18("10","1","5","4","6","10","1") = "9"
    & skf18("10","1","5","4","7","1","1") = "9"
    & skf18("10","1","5","4","7","2","1") = "9"
    & skf18("10","1","5","4","7","3","1") = "9"
    & skf18("10","1","5","4","7","4","1") = "9"
    & skf18("10","1","5","4","7","5","1") = "9"
    & skf18("10","1","5","4","7","6","1") = "9"
    & skf18("10","1","5","4","7","7","1") = "9"
    & skf18("10","1","5","4","7","8","1") = "9"
    & skf18("10","1","5","4","7","9","1") = "9"
    & skf18("10","1","5","4","7","10","1") = "9"
    & skf18("10","1","5","4","8","1","1") = "9"
    & skf18("10","1","5","4","8","2","1") = "9"
    & skf18("10","1","5","4","8","3","1") = "9"
    & skf18("10","1","5","4","8","4","1") = "9"
    & skf18("10","1","5","4","8","5","1") = "9"
    & skf18("10","1","5","4","8","6","1") = "9"
    & skf18("10","1","5","4","8","7","1") = "9"
    & skf18("10","1","5","4","8","8","1") = "9"
    & skf18("10","1","5","4","8","9","1") = "9"
    & skf18("10","1","5","4","8","10","1") = "9"
    & skf18("10","1","5","4","9","1","1") = "9"
    & skf18("10","1","5","4","9","2","1") = "9"
    & skf18("10","1","5","4","9","3","1") = "9"
    & skf18("10","1","5","4","9","4","1") = "9"
    & skf18("10","1","5","4","9","5","1") = "9"
    & skf18("10","1","5","4","9","6","1") = "9"
    & skf18("10","1","5","4","9","7","1") = "9"
    & skf18("10","1","5","4","9","8","1") = "9"
    & skf18("10","1","5","4","9","9","1") = "9"
    & skf18("10","1","5","4","9","10","1") = "9"
    & skf18("10","1","5","4","10","1","1") = "9"
    & skf18("10","1","5","4","10","2","1") = "9"
    & skf18("10","1","5","4","10","3","1") = "9"
    & skf18("10","1","5","4","10","4","1") = "9"
    & skf18("10","1","5","4","10","5","1") = "9"
    & skf18("10","1","5","4","10","6","1") = "9"
    & skf18("10","1","5","4","10","7","1") = "9"
    & skf18("10","1","5","4","10","8","1") = "9"
    & skf18("10","1","5","4","10","9","1") = "9"
    & skf18("10","1","5","4","10","10","1") = "9"
    & skf18("10","1","5","5","1","1","1") = "9"
    & skf18("10","1","5","5","1","2","1") = "9"
    & skf18("10","1","5","5","1","3","1") = "9"
    & skf18("10","1","5","5","1","4","1") = "9"
    & skf18("10","1","5","5","1","5","1") = "9"
    & skf18("10","1","5","5","1","6","1") = "9"
    & skf18("10","1","5","5","1","7","1") = "9"
    & skf18("10","1","5","5","1","8","1") = "9"
    & skf18("10","1","5","5","1","9","1") = "9"
    & skf18("10","1","5","5","1","10","1") = "9"
    & skf18("10","1","5","5","2","1","1") = "9"
    & skf18("10","1","5","5","2","2","1") = "9"
    & skf18("10","1","5","5","2","3","1") = "9"
    & skf18("10","1","5","5","2","4","1") = "9"
    & skf18("10","1","5","5","2","5","1") = "9"
    & skf18("10","1","5","5","2","6","1") = "9"
    & skf18("10","1","5","5","2","7","1") = "9"
    & skf18("10","1","5","5","2","8","1") = "9"
    & skf18("10","1","5","5","2","9","1") = "9"
    & skf18("10","1","5","5","2","10","1") = "9"
    & skf18("10","1","5","5","3","1","1") = "9"
    & skf18("10","1","5","5","3","2","1") = "9"
    & skf18("10","1","5","5","3","3","1") = "9"
    & skf18("10","1","5","5","3","4","1") = "9"
    & skf18("10","1","5","5","3","5","1") = "9"
    & skf18("10","1","5","5","3","6","1") = "9"
    & skf18("10","1","5","5","3","7","1") = "9"
    & skf18("10","1","5","5","3","8","1") = "9"
    & skf18("10","1","5","5","3","9","1") = "9"
    & skf18("10","1","5","5","3","10","1") = "9"
    & skf18("10","1","5","5","4","1","1") = "9"
    & skf18("10","1","5","5","4","2","1") = "9"
    & skf18("10","1","5","5","4","3","1") = "9"
    & skf18("10","1","5","5","4","4","1") = "9"
    & skf18("10","1","5","5","4","5","1") = "9"
    & skf18("10","1","5","5","4","6","1") = "9"
    & skf18("10","1","5","5","4","7","1") = "9"
    & skf18("10","1","5","5","4","8","1") = "9"
    & skf18("10","1","5","5","4","9","1") = "9"
    & skf18("10","1","5","5","4","10","1") = "9"
    & skf18("10","1","5","5","5","1","1") = "9"
    & skf18("10","1","5","5","5","2","1") = "9"
    & skf18("10","1","5","5","5","3","1") = "9"
    & skf18("10","1","5","5","5","4","1") = "9"
    & skf18("10","1","5","5","5","5","1") = "9"
    & skf18("10","1","5","5","5","6","1") = "9"
    & skf18("10","1","5","5","5","7","1") = "9"
    & skf18("10","1","5","5","5","8","1") = "9"
    & skf18("10","1","5","5","5","9","1") = "9"
    & skf18("10","1","5","5","5","10","1") = "9"
    & skf18("10","1","5","5","6","1","1") = "9"
    & skf18("10","1","5","5","6","2","1") = "9"
    & skf18("10","1","5","5","6","3","1") = "9"
    & skf18("10","1","5","5","6","4","1") = "9"
    & skf18("10","1","5","5","6","5","1") = "9"
    & skf18("10","1","5","5","6","6","1") = "9"
    & skf18("10","1","5","5","6","7","1") = "9"
    & skf18("10","1","5","5","6","8","1") = "9"
    & skf18("10","1","5","5","6","9","1") = "9"
    & skf18("10","1","5","5","6","10","1") = "9"
    & skf18("10","1","5","5","7","1","1") = "9"
    & skf18("10","1","5","5","7","2","1") = "9"
    & skf18("10","1","5","5","7","3","1") = "9"
    & skf18("10","1","5","5","7","4","1") = "9"
    & skf18("10","1","5","5","7","5","1") = "9"
    & skf18("10","1","5","5","7","6","1") = "9"
    & skf18("10","1","5","5","7","7","1") = "9"
    & skf18("10","1","5","5","7","8","1") = "9"
    & skf18("10","1","5","5","7","9","1") = "9"
    & skf18("10","1","5","5","7","10","1") = "9"
    & skf18("10","1","5","5","8","1","1") = "9"
    & skf18("10","1","5","5","8","2","1") = "9"
    & skf18("10","1","5","5","8","3","1") = "9"
    & skf18("10","1","5","5","8","4","1") = "9"
    & skf18("10","1","5","5","8","5","1") = "9"
    & skf18("10","1","5","5","8","6","1") = "9"
    & skf18("10","1","5","5","8","7","1") = "9"
    & skf18("10","1","5","5","8","8","1") = "9"
    & skf18("10","1","5","5","8","9","1") = "9"
    & skf18("10","1","5","5","8","10","1") = "9"
    & skf18("10","1","5","5","9","1","1") = "9"
    & skf18("10","1","5","5","9","2","1") = "9"
    & skf18("10","1","5","5","9","3","1") = "9"
    & skf18("10","1","5","5","9","4","1") = "9"
    & skf18("10","1","5","5","9","5","1") = "9"
    & skf18("10","1","5","5","9","6","1") = "9"
    & skf18("10","1","5","5","9","7","1") = "9"
    & skf18("10","1","5","5","9","8","1") = "9"
    & skf18("10","1","5","5","9","9","1") = "9"
    & skf18("10","1","5","5","9","10","1") = "9"
    & skf18("10","1","5","5","10","1","1") = "9"
    & skf18("10","1","5","5","10","2","1") = "9"
    & skf18("10","1","5","5","10","3","1") = "9"
    & skf18("10","1","5","5","10","4","1") = "9"
    & skf18("10","1","5","5","10","5","1") = "9"
    & skf18("10","1","5","5","10","6","1") = "9"
    & skf18("10","1","5","5","10","7","1") = "9"
    & skf18("10","1","5","5","10","8","1") = "9"
    & skf18("10","1","5","5","10","9","1") = "9"
    & skf18("10","1","5","5","10","10","1") = "9"
    & skf18("10","1","5","6","1","1","1") = "9"
    & skf18("10","1","5","6","1","2","1") = "9"
    & skf18("10","1","5","6","1","3","1") = "9"
    & skf18("10","1","5","6","1","4","1") = "9"
    & skf18("10","1","5","6","1","5","1") = "9"
    & skf18("10","1","5","6","1","6","1") = "9"
    & skf18("10","1","5","6","1","7","1") = "9"
    & skf18("10","1","5","6","1","8","1") = "9"
    & skf18("10","1","5","6","1","9","1") = "9"
    & skf18("10","1","5","6","1","10","1") = "9"
    & skf18("10","1","5","6","2","1","1") = "9"
    & skf18("10","1","5","6","2","2","1") = "9"
    & skf18("10","1","5","6","2","3","1") = "9"
    & skf18("10","1","5","6","2","4","1") = "9"
    & skf18("10","1","5","6","2","5","1") = "9"
    & skf18("10","1","5","6","2","6","1") = "9"
    & skf18("10","1","5","6","2","7","1") = "9"
    & skf18("10","1","5","6","2","8","1") = "9"
    & skf18("10","1","5","6","2","9","1") = "9"
    & skf18("10","1","5","6","2","10","1") = "9"
    & skf18("10","1","5","6","3","1","1") = "9"
    & skf18("10","1","5","6","3","2","1") = "9"
    & skf18("10","1","5","6","3","3","1") = "9"
    & skf18("10","1","5","6","3","4","1") = "9"
    & skf18("10","1","5","6","3","5","1") = "9"
    & skf18("10","1","5","6","3","6","1") = "9"
    & skf18("10","1","5","6","3","7","1") = "9"
    & skf18("10","1","5","6","3","8","1") = "9"
    & skf18("10","1","5","6","3","9","1") = "9"
    & skf18("10","1","5","6","3","10","1") = "9"
    & skf18("10","1","5","6","4","1","1") = "9"
    & skf18("10","1","5","6","4","2","1") = "9"
    & skf18("10","1","5","6","4","3","1") = "9"
    & skf18("10","1","5","6","4","4","1") = "9"
    & skf18("10","1","5","6","4","5","1") = "9"
    & skf18("10","1","5","6","4","6","1") = "9"
    & skf18("10","1","5","6","4","7","1") = "9"
    & skf18("10","1","5","6","4","8","1") = "9"
    & skf18("10","1","5","6","4","9","1") = "9"
    & skf18("10","1","5","6","4","10","1") = "9"
    & skf18("10","1","5","6","5","1","1") = "9"
    & skf18("10","1","5","6","5","2","1") = "9"
    & skf18("10","1","5","6","5","3","1") = "9"
    & skf18("10","1","5","6","5","4","1") = "9"
    & skf18("10","1","5","6","5","5","1") = "9"
    & skf18("10","1","5","6","5","6","1") = "9"
    & skf18("10","1","5","6","5","7","1") = "9"
    & skf18("10","1","5","6","5","8","1") = "9"
    & skf18("10","1","5","6","5","9","1") = "9"
    & skf18("10","1","5","6","5","10","1") = "9"
    & skf18("10","1","5","6","6","1","1") = "9"
    & skf18("10","1","5","6","6","2","1") = "9"
    & skf18("10","1","5","6","6","3","1") = "9"
    & skf18("10","1","5","6","6","4","1") = "9"
    & skf18("10","1","5","6","6","5","1") = "9"
    & skf18("10","1","5","6","6","6","1") = "9"
    & skf18("10","1","5","6","6","7","1") = "9"
    & skf18("10","1","5","6","6","8","1") = "9"
    & skf18("10","1","5","6","6","9","1") = "9"
    & skf18("10","1","5","6","6","10","1") = "9"
    & skf18("10","1","5","6","7","1","1") = "9"
    & skf18("10","1","5","6","7","2","1") = "9"
    & skf18("10","1","5","6","7","3","1") = "9"
    & skf18("10","1","5","6","7","4","1") = "9"
    & skf18("10","1","5","6","7","5","1") = "9"
    & skf18("10","1","5","6","7","6","1") = "9"
    & skf18("10","1","5","6","7","7","1") = "9"
    & skf18("10","1","5","6","7","8","1") = "9"
    & skf18("10","1","5","6","7","9","1") = "9"
    & skf18("10","1","5","6","7","10","1") = "9"
    & skf18("10","1","5","6","8","1","1") = "9"
    & skf18("10","1","5","6","8","2","1") = "9"
    & skf18("10","1","5","6","8","3","1") = "9"
    & skf18("10","1","5","6","8","4","1") = "9"
    & skf18("10","1","5","6","8","5","1") = "9"
    & skf18("10","1","5","6","8","6","1") = "9"
    & skf18("10","1","5","6","8","7","1") = "9"
    & skf18("10","1","5","6","8","8","1") = "9"
    & skf18("10","1","5","6","8","9","1") = "9"
    & skf18("10","1","5","6","8","10","1") = "9"
    & skf18("10","1","5","6","9","1","1") = "9"
    & skf18("10","1","5","6","9","2","1") = "9"
    & skf18("10","1","5","6","9","3","1") = "9"
    & skf18("10","1","5","6","9","4","1") = "9"
    & skf18("10","1","5","6","9","5","1") = "9"
    & skf18("10","1","5","6","9","6","1") = "9"
    & skf18("10","1","5","6","9","7","1") = "9"
    & skf18("10","1","5","6","9","8","1") = "9"
    & skf18("10","1","5","6","9","9","1") = "9"
    & skf18("10","1","5","6","9","10","1") = "9"
    & skf18("10","1","5","6","10","1","1") = "9"
    & skf18("10","1","5","6","10","2","1") = "9"
    & skf18("10","1","5","6","10","3","1") = "9"
    & skf18("10","1","5","6","10","4","1") = "9"
    & skf18("10","1","5","6","10","5","1") = "9"
    & skf18("10","1","5","6","10","6","1") = "9"
    & skf18("10","1","5","6","10","7","1") = "9"
    & skf18("10","1","5","6","10","8","1") = "9"
    & skf18("10","1","5","6","10","9","1") = "9"
    & skf18("10","1","5","6","10","10","1") = "9"
    & skf18("10","1","5","7","1","1","1") = "9"
    & skf18("10","1","5","7","1","2","1") = "9"
    & skf18("10","1","5","7","1","3","1") = "9"
    & skf18("10","1","5","7","1","4","1") = "9"
    & skf18("10","1","5","7","1","5","1") = "9"
    & skf18("10","1","5","7","1","6","1") = "9"
    & skf18("10","1","5","7","1","7","1") = "9"
    & skf18("10","1","5","7","1","8","1") = "9"
    & skf18("10","1","5","7","1","9","1") = "9"
    & skf18("10","1","5","7","1","10","1") = "9"
    & skf18("10","1","5","7","2","1","1") = "9"
    & skf18("10","1","5","7","2","2","1") = "9"
    & skf18("10","1","5","7","2","3","1") = "9"
    & skf18("10","1","5","7","2","4","1") = "9"
    & skf18("10","1","5","7","2","5","1") = "9"
    & skf18("10","1","5","7","2","6","1") = "9"
    & skf18("10","1","5","7","2","7","1") = "9"
    & skf18("10","1","5","7","2","8","1") = "9"
    & skf18("10","1","5","7","2","9","1") = "9"
    & skf18("10","1","5","7","2","10","1") = "9"
    & skf18("10","1","5","7","3","1","1") = "9"
    & skf18("10","1","5","7","3","2","1") = "9"
    & skf18("10","1","5","7","3","3","1") = "9"
    & skf18("10","1","5","7","3","4","1") = "9"
    & skf18("10","1","5","7","3","5","1") = "9"
    & skf18("10","1","5","7","3","6","1") = "9"
    & skf18("10","1","5","7","3","7","1") = "9"
    & skf18("10","1","5","7","3","8","1") = "9"
    & skf18("10","1","5","7","3","9","1") = "9"
    & skf18("10","1","5","7","3","10","1") = "9"
    & skf18("10","1","5","7","4","1","1") = "9"
    & skf18("10","1","5","7","4","2","1") = "9"
    & skf18("10","1","5","7","4","3","1") = "9"
    & skf18("10","1","5","7","4","4","1") = "9"
    & skf18("10","1","5","7","4","5","1") = "9"
    & skf18("10","1","5","7","4","6","1") = "9"
    & skf18("10","1","5","7","4","7","1") = "9"
    & skf18("10","1","5","7","4","8","1") = "9"
    & skf18("10","1","5","7","4","9","1") = "9"
    & skf18("10","1","5","7","4","10","1") = "9"
    & skf18("10","1","5","7","5","1","1") = "9"
    & skf18("10","1","5","7","5","2","1") = "9"
    & skf18("10","1","5","7","5","3","1") = "9"
    & skf18("10","1","5","7","5","4","1") = "9"
    & skf18("10","1","5","7","5","5","1") = "9"
    & skf18("10","1","5","7","5","6","1") = "9"
    & skf18("10","1","5","7","5","7","1") = "9"
    & skf18("10","1","5","7","5","8","1") = "9"
    & skf18("10","1","5","7","5","9","1") = "9"
    & skf18("10","1","5","7","5","10","1") = "9"
    & skf18("10","1","5","7","6","1","1") = "9"
    & skf18("10","1","5","7","6","2","1") = "9"
    & skf18("10","1","5","7","6","3","1") = "9"
    & skf18("10","1","5","7","6","4","1") = "9"
    & skf18("10","1","5","7","6","5","1") = "9"
    & skf18("10","1","5","7","6","6","1") = "9"
    & skf18("10","1","5","7","6","7","1") = "9"
    & skf18("10","1","5","7","6","8","1") = "9"
    & skf18("10","1","5","7","6","9","1") = "9"
    & skf18("10","1","5","7","6","10","1") = "9"
    & skf18("10","1","5","7","7","1","1") = "9"
    & skf18("10","1","5","7","7","2","1") = "9"
    & skf18("10","1","5","7","7","3","1") = "9"
    & skf18("10","1","5","7","7","4","1") = "9"
    & skf18("10","1","5","7","7","5","1") = "9"
    & skf18("10","1","5","7","7","6","1") = "9"
    & skf18("10","1","5","7","7","7","1") = "9"
    & skf18("10","1","5","7","7","8","1") = "9"
    & skf18("10","1","5","7","7","9","1") = "9"
    & skf18("10","1","5","7","7","10","1") = "9"
    & skf18("10","1","5","7","8","1","1") = "9"
    & skf18("10","1","5","7","8","2","1") = "9"
    & skf18("10","1","5","7","8","3","1") = "9"
    & skf18("10","1","5","7","8","4","1") = "9"
    & skf18("10","1","5","7","8","5","1") = "9"
    & skf18("10","1","5","7","8","6","1") = "9"
    & skf18("10","1","5","7","8","7","1") = "9"
    & skf18("10","1","5","7","8","8","1") = "9"
    & skf18("10","1","5","7","8","9","1") = "9"
    & skf18("10","1","5","7","8","10","1") = "9"
    & skf18("10","1","5","7","9","1","1") = "9"
    & skf18("10","1","5","7","9","2","1") = "9"
    & skf18("10","1","5","7","9","3","1") = "9"
    & skf18("10","1","5","7","9","4","1") = "9"
    & skf18("10","1","5","7","9","5","1") = "9"
    & skf18("10","1","5","7","9","6","1") = "9"
    & skf18("10","1","5","7","9","7","1") = "9"
    & skf18("10","1","5","7","9","8","1") = "9"
    & skf18("10","1","5","7","9","9","1") = "9"
    & skf18("10","1","5","7","9","10","1") = "9"
    & skf18("10","1","5","7","10","1","1") = "9"
    & skf18("10","1","5","7","10","2","1") = "9"
    & skf18("10","1","5","7","10","3","1") = "9"
    & skf18("10","1","5","7","10","4","1") = "9"
    & skf18("10","1","5","7","10","5","1") = "9"
    & skf18("10","1","5","7","10","6","1") = "9"
    & skf18("10","1","5","7","10","7","1") = "9"
    & skf18("10","1","5","7","10","8","1") = "9"
    & skf18("10","1","5","7","10","9","1") = "9"
    & skf18("10","1","5","7","10","10","1") = "9"
    & skf18("10","1","5","8","1","1","1") = "9"
    & skf18("10","1","5","8","1","2","1") = "9"
    & skf18("10","1","5","8","1","3","1") = "9"
    & skf18("10","1","5","8","1","4","1") = "9"
    & skf18("10","1","5","8","1","5","1") = "9"
    & skf18("10","1","5","8","1","6","1") = "9"
    & skf18("10","1","5","8","1","7","1") = "9"
    & skf18("10","1","5","8","1","8","1") = "9"
    & skf18("10","1","5","8","1","9","1") = "9"
    & skf18("10","1","5","8","1","10","1") = "9"
    & skf18("10","1","5","8","2","1","1") = "9"
    & skf18("10","1","5","8","2","2","1") = "9"
    & skf18("10","1","5","8","2","3","1") = "9"
    & skf18("10","1","5","8","2","4","1") = "9"
    & skf18("10","1","5","8","2","5","1") = "9"
    & skf18("10","1","5","8","2","6","1") = "9"
    & skf18("10","1","5","8","2","7","1") = "9"
    & skf18("10","1","5","8","2","8","1") = "9"
    & skf18("10","1","5","8","2","9","1") = "9"
    & skf18("10","1","5","8","2","10","1") = "9"
    & skf18("10","1","5","8","3","1","1") = "9"
    & skf18("10","1","5","8","3","2","1") = "9"
    & skf18("10","1","5","8","3","3","1") = "9"
    & skf18("10","1","5","8","3","4","1") = "9"
    & skf18("10","1","5","8","3","5","1") = "9"
    & skf18("10","1","5","8","3","6","1") = "9"
    & skf18("10","1","5","8","3","7","1") = "9"
    & skf18("10","1","5","8","3","8","1") = "9"
    & skf18("10","1","5","8","3","9","1") = "9"
    & skf18("10","1","5","8","3","10","1") = "9"
    & skf18("10","1","5","8","4","1","1") = "9"
    & skf18("10","1","5","8","4","2","1") = "9"
    & skf18("10","1","5","8","4","3","1") = "9"
    & skf18("10","1","5","8","4","4","1") = "9"
    & skf18("10","1","5","8","4","5","1") = "9"
    & skf18("10","1","5","8","4","6","1") = "9"
    & skf18("10","1","5","8","4","7","1") = "9"
    & skf18("10","1","5","8","4","8","1") = "9"
    & skf18("10","1","5","8","4","9","1") = "9"
    & skf18("10","1","5","8","4","10","1") = "9"
    & skf18("10","1","5","8","5","1","1") = "9"
    & skf18("10","1","5","8","5","2","1") = "9"
    & skf18("10","1","5","8","5","3","1") = "9"
    & skf18("10","1","5","8","5","4","1") = "9"
    & skf18("10","1","5","8","5","5","1") = "9"
    & skf18("10","1","5","8","5","6","1") = "9"
    & skf18("10","1","5","8","5","7","1") = "9"
    & skf18("10","1","5","8","5","8","1") = "9"
    & skf18("10","1","5","8","5","9","1") = "9"
    & skf18("10","1","5","8","5","10","1") = "9"
    & skf18("10","1","5","8","6","1","1") = "9"
    & skf18("10","1","5","8","6","2","1") = "9"
    & skf18("10","1","5","8","6","3","1") = "9"
    & skf18("10","1","5","8","6","4","1") = "9"
    & skf18("10","1","5","8","6","5","1") = "9"
    & skf18("10","1","5","8","6","6","1") = "9"
    & skf18("10","1","5","8","6","7","1") = "9"
    & skf18("10","1","5","8","6","8","1") = "9"
    & skf18("10","1","5","8","6","9","1") = "9"
    & skf18("10","1","5","8","6","10","1") = "9"
    & skf18("10","1","5","8","7","1","1") = "9"
    & skf18("10","1","5","8","7","2","1") = "9"
    & skf18("10","1","5","8","7","3","1") = "9"
    & skf18("10","1","5","8","7","4","1") = "9"
    & skf18("10","1","5","8","7","5","1") = "9"
    & skf18("10","1","5","8","7","6","1") = "9"
    & skf18("10","1","5","8","7","7","1") = "9"
    & skf18("10","1","5","8","7","8","1") = "9"
    & skf18("10","1","5","8","7","9","1") = "9"
    & skf18("10","1","5","8","7","10","1") = "9"
    & skf18("10","1","5","8","8","1","1") = "9"
    & skf18("10","1","5","8","8","2","1") = "9"
    & skf18("10","1","5","8","8","3","1") = "9"
    & skf18("10","1","5","8","8","4","1") = "9"
    & skf18("10","1","5","8","8","5","1") = "9"
    & skf18("10","1","5","8","8","6","1") = "9"
    & skf18("10","1","5","8","8","7","1") = "9"
    & skf18("10","1","5","8","8","8","1") = "9"
    & skf18("10","1","5","8","8","9","1") = "9"
    & skf18("10","1","5","8","8","10","1") = "9"
    & skf18("10","1","5","8","9","1","1") = "9"
    & skf18("10","1","5","8","9","2","1") = "9"
    & skf18("10","1","5","8","9","3","1") = "9"
    & skf18("10","1","5","8","9","4","1") = "9"
    & skf18("10","1","5","8","9","5","1") = "9"
    & skf18("10","1","5","8","9","6","1") = "9"
    & skf18("10","1","5","8","9","7","1") = "9"
    & skf18("10","1","5","8","9","8","1") = "9"
    & skf18("10","1","5","8","9","9","1") = "9"
    & skf18("10","1","5","8","9","10","1") = "9"
    & skf18("10","1","5","8","10","1","1") = "9"
    & skf18("10","1","5","8","10","2","1") = "9"
    & skf18("10","1","5","8","10","3","1") = "9"
    & skf18("10","1","5","8","10","4","1") = "9"
    & skf18("10","1","5","8","10","5","1") = "9"
    & skf18("10","1","5","8","10","6","1") = "9"
    & skf18("10","1","5","8","10","7","1") = "9"
    & skf18("10","1","5","8","10","8","1") = "9"
    & skf18("10","1","5","8","10","9","1") = "9"
    & skf18("10","1","5","8","10","10","1") = "9"
    & skf18("10","1","5","9","1","1","1") = "9"
    & skf18("10","1","5","9","1","2","1") = "9"
    & skf18("10","1","5","9","1","3","1") = "9"
    & skf18("10","1","5","9","1","4","1") = "9"
    & skf18("10","1","5","9","1","5","1") = "9"
    & skf18("10","1","5","9","1","6","1") = "9"
    & skf18("10","1","5","9","1","7","1") = "9"
    & skf18("10","1","5","9","1","8","1") = "9"
    & skf18("10","1","5","9","1","9","1") = "9"
    & skf18("10","1","5","9","1","10","1") = "9"
    & skf18("10","1","5","9","2","1","1") = "9"
    & skf18("10","1","5","9","2","2","1") = "9"
    & skf18("10","1","5","9","2","3","1") = "9"
    & skf18("10","1","5","9","2","4","1") = "9"
    & skf18("10","1","5","9","2","5","1") = "9"
    & skf18("10","1","5","9","2","6","1") = "9"
    & skf18("10","1","5","9","2","7","1") = "9"
    & skf18("10","1","5","9","2","8","1") = "9"
    & skf18("10","1","5","9","2","9","1") = "9"
    & skf18("10","1","5","9","2","10","1") = "9"
    & skf18("10","1","5","9","3","1","1") = "9"
    & skf18("10","1","5","9","3","2","1") = "9"
    & skf18("10","1","5","9","3","3","1") = "9"
    & skf18("10","1","5","9","3","4","1") = "9"
    & skf18("10","1","5","9","3","5","1") = "9"
    & skf18("10","1","5","9","3","6","1") = "9"
    & skf18("10","1","5","9","3","7","1") = "9"
    & skf18("10","1","5","9","3","8","1") = "9"
    & skf18("10","1","5","9","3","9","1") = "9"
    & skf18("10","1","5","9","3","10","1") = "9"
    & skf18("10","1","5","9","4","1","1") = "9"
    & skf18("10","1","5","9","4","2","1") = "9"
    & skf18("10","1","5","9","4","3","1") = "9"
    & skf18("10","1","5","9","4","4","1") = "9"
    & skf18("10","1","5","9","4","5","1") = "9"
    & skf18("10","1","5","9","4","6","1") = "9"
    & skf18("10","1","5","9","4","7","1") = "9"
    & skf18("10","1","5","9","4","8","1") = "9"
    & skf18("10","1","5","9","4","9","1") = "9"
    & skf18("10","1","5","9","4","10","1") = "9"
    & skf18("10","1","5","9","5","1","1") = "9"
    & skf18("10","1","5","9","5","2","1") = "9"
    & skf18("10","1","5","9","5","3","1") = "9"
    & skf18("10","1","5","9","5","4","1") = "9"
    & skf18("10","1","5","9","5","5","1") = "9"
    & skf18("10","1","5","9","5","6","1") = "9"
    & skf18("10","1","5","9","5","7","1") = "9"
    & skf18("10","1","5","9","5","8","1") = "9"
    & skf18("10","1","5","9","5","9","1") = "9"
    & skf18("10","1","5","9","5","10","1") = "9"
    & skf18("10","1","5","9","6","1","1") = "9"
    & skf18("10","1","5","9","6","2","1") = "9"
    & skf18("10","1","5","9","6","3","1") = "9"
    & skf18("10","1","5","9","6","4","1") = "9"
    & skf18("10","1","5","9","6","5","1") = "9"
    & skf18("10","1","5","9","6","6","1") = "9"
    & skf18("10","1","5","9","6","7","1") = "9"
    & skf18("10","1","5","9","6","8","1") = "9"
    & skf18("10","1","5","9","6","9","1") = "9"
    & skf18("10","1","5","9","6","10","1") = "9"
    & skf18("10","1","5","9","7","1","1") = "9"
    & skf18("10","1","5","9","7","2","1") = "9"
    & skf18("10","1","5","9","7","3","1") = "9"
    & skf18("10","1","5","9","7","4","1") = "9"
    & skf18("10","1","5","9","7","5","1") = "9"
    & skf18("10","1","5","9","7","6","1") = "9"
    & skf18("10","1","5","9","7","7","1") = "9"
    & skf18("10","1","5","9","7","8","1") = "9"
    & skf18("10","1","5","9","7","9","1") = "9"
    & skf18("10","1","5","9","7","10","1") = "9"
    & skf18("10","1","5","9","8","1","1") = "9"
    & skf18("10","1","5","9","8","2","1") = "9"
    & skf18("10","1","5","9","8","3","1") = "9"
    & skf18("10","1","5","9","8","4","1") = "9"
    & skf18("10","1","5","9","8","5","1") = "9"
    & skf18("10","1","5","9","8","6","1") = "9"
    & skf18("10","1","5","9","8","7","1") = "9"
    & skf18("10","1","5","9","8","8","1") = "9"
    & skf18("10","1","5","9","8","9","1") = "9"
    & skf18("10","1","5","9","8","10","1") = "9"
    & skf18("10","1","5","9","9","1","1") = "9"
    & skf18("10","1","5","9","9","2","1") = "9"
    & skf18("10","1","5","9","9","3","1") = "9"
    & skf18("10","1","5","9","9","4","1") = "9"
    & skf18("10","1","5","9","9","5","1") = "9"
    & skf18("10","1","5","9","9","6","1") = "9"
    & skf18("10","1","5","9","9","7","1") = "9"
    & skf18("10","1","5","9","9","8","1") = "9"
    & skf18("10","1","5","9","9","9","1") = "9"
    & skf18("10","1","5","9","9","10","1") = "9"
    & skf18("10","1","5","9","10","1","1") = "9"
    & skf18("10","1","5","9","10","2","1") = "9"
    & skf18("10","1","5","9","10","3","1") = "9"
    & skf18("10","1","5","9","10","4","1") = "9"
    & skf18("10","1","5","9","10","5","1") = "9"
    & skf18("10","1","5","9","10","6","1") = "9"
    & skf18("10","1","5","9","10","7","1") = "9"
    & skf18("10","1","5","9","10","8","1") = "9"
    & skf18("10","1","5","9","10","9","1") = "9"
    & skf18("10","1","5","9","10","10","1") = "9"
    & skf18("10","1","5","10","1","1","1") = "9"
    & skf18("10","1","5","10","1","2","1") = "9"
    & skf18("10","1","5","10","1","3","1") = "9"
    & skf18("10","1","5","10","1","4","1") = "9"
    & skf18("10","1","5","10","1","5","1") = "9"
    & skf18("10","1","5","10","1","6","1") = "9"
    & skf18("10","1","5","10","1","7","1") = "9"
    & skf18("10","1","5","10","1","8","1") = "9"
    & skf18("10","1","5","10","1","9","1") = "9"
    & skf18("10","1","5","10","1","10","1") = "9"
    & skf18("10","1","5","10","2","1","1") = "9"
    & skf18("10","1","5","10","2","2","1") = "9"
    & skf18("10","1","5","10","2","3","1") = "9"
    & skf18("10","1","5","10","2","4","1") = "9"
    & skf18("10","1","5","10","2","5","1") = "9"
    & skf18("10","1","5","10","2","6","1") = "9"
    & skf18("10","1","5","10","2","7","1") = "9"
    & skf18("10","1","5","10","2","8","1") = "9"
    & skf18("10","1","5","10","2","9","1") = "9"
    & skf18("10","1","5","10","2","10","1") = "9"
    & skf18("10","1","5","10","3","1","1") = "9"
    & skf18("10","1","5","10","3","2","1") = "9"
    & skf18("10","1","5","10","3","3","1") = "9"
    & skf18("10","1","5","10","3","4","1") = "9"
    & skf18("10","1","5","10","3","5","1") = "9"
    & skf18("10","1","5","10","3","6","1") = "9"
    & skf18("10","1","5","10","3","7","1") = "9"
    & skf18("10","1","5","10","3","8","1") = "9"
    & skf18("10","1","5","10","3","9","1") = "9"
    & skf18("10","1","5","10","3","10","1") = "9"
    & skf18("10","1","5","10","4","1","1") = "9"
    & skf18("10","1","5","10","4","2","1") = "9"
    & skf18("10","1","5","10","4","3","1") = "9"
    & skf18("10","1","5","10","4","4","1") = "9"
    & skf18("10","1","5","10","4","5","1") = "9"
    & skf18("10","1","5","10","4","6","1") = "9"
    & skf18("10","1","5","10","4","7","1") = "9"
    & skf18("10","1","5","10","4","8","1") = "9"
    & skf18("10","1","5","10","4","9","1") = "9"
    & skf18("10","1","5","10","4","10","1") = "9"
    & skf18("10","1","5","10","5","1","1") = "9"
    & skf18("10","1","5","10","5","2","1") = "9"
    & skf18("10","1","5","10","5","3","1") = "9"
    & skf18("10","1","5","10","5","4","1") = "9"
    & skf18("10","1","5","10","5","5","1") = "9"
    & skf18("10","1","5","10","5","6","1") = "9"
    & skf18("10","1","5","10","5","7","1") = "9"
    & skf18("10","1","5","10","5","8","1") = "9"
    & skf18("10","1","5","10","5","9","1") = "9"
    & skf18("10","1","5","10","5","10","1") = "9"
    & skf18("10","1","5","10","6","1","1") = "9"
    & skf18("10","1","5","10","6","2","1") = "9"
    & skf18("10","1","5","10","6","3","1") = "9"
    & skf18("10","1","5","10","6","4","1") = "9"
    & skf18("10","1","5","10","6","5","1") = "9"
    & skf18("10","1","5","10","6","6","1") = "9"
    & skf18("10","1","5","10","6","7","1") = "9"
    & skf18("10","1","5","10","6","8","1") = "9"
    & skf18("10","1","5","10","6","9","1") = "9"
    & skf18("10","1","5","10","6","10","1") = "9"
    & skf18("10","1","5","10","7","1","1") = "9"
    & skf18("10","1","5","10","7","2","1") = "9"
    & skf18("10","1","5","10","7","3","1") = "9"
    & skf18("10","1","5","10","7","4","1") = "9"
    & skf18("10","1","5","10","7","5","1") = "9"
    & skf18("10","1","5","10","7","6","1") = "9"
    & skf18("10","1","5","10","7","7","1") = "9"
    & skf18("10","1","5","10","7","8","1") = "9"
    & skf18("10","1","5","10","7","9","1") = "9"
    & skf18("10","1","5","10","7","10","1") = "9"
    & skf18("10","1","5","10","8","1","1") = "9"
    & skf18("10","1","5","10","8","2","1") = "9"
    & skf18("10","1","5","10","8","3","1") = "9"
    & skf18("10","1","5","10","8","4","1") = "9"
    & skf18("10","1","5","10","8","5","1") = "9"
    & skf18("10","1","5","10","8","6","1") = "9"
    & skf18("10","1","5","10","8","7","1") = "9"
    & skf18("10","1","5","10","8","8","1") = "9"
    & skf18("10","1","5","10","8","9","1") = "9"
    & skf18("10","1","5","10","8","10","1") = "9"
    & skf18("10","1","5","10","9","1","1") = "9"
    & skf18("10","1","5","10","9","2","1") = "9"
    & skf18("10","1","5","10","9","3","1") = "9"
    & skf18("10","1","5","10","9","4","1") = "9"
    & skf18("10","1","5","10","9","5","1") = "9"
    & skf18("10","1","5","10","9","6","1") = "9"
    & skf18("10","1","5","10","9","7","1") = "9"
    & skf18("10","1","5","10","9","8","1") = "9"
    & skf18("10","1","5","10","9","9","1") = "9"
    & skf18("10","1","5","10","9","10","1") = "9"
    & skf18("10","1","5","10","10","1","1") = "9"
    & skf18("10","1","5","10","10","2","1") = "9"
    & skf18("10","1","5","10","10","3","1") = "9"
    & skf18("10","1","5","10","10","4","1") = "9"
    & skf18("10","1","5","10","10","5","1") = "9"
    & skf18("10","1","5","10","10","6","1") = "9"
    & skf18("10","1","5","10","10","7","1") = "9"
    & skf18("10","1","5","10","10","8","1") = "9"
    & skf18("10","1","5","10","10","9","1") = "9"
    & skf18("10","1","5","10","10","10","1") = "9"
    & skf18("10","1","6","1","1","1","1") = "9"
    & skf18("10","1","6","1","1","2","1") = "9"
    & skf18("10","1","6","1","1","3","1") = "9"
    & skf18("10","1","6","1","1","4","1") = "9"
    & skf18("10","1","6","1","1","5","1") = "9"
    & skf18("10","1","6","1","1","6","1") = "9"
    & skf18("10","1","6","1","1","7","1") = "9"
    & skf18("10","1","6","1","1","8","1") = "9"
    & skf18("10","1","6","1","1","9","1") = "9"
    & skf18("10","1","6","1","1","10","1") = "9"
    & skf18("10","1","6","1","2","1","1") = "9"
    & skf18("10","1","6","1","2","2","1") = "9"
    & skf18("10","1","6","1","2","3","1") = "9"
    & skf18("10","1","6","1","2","4","1") = "9"
    & skf18("10","1","6","1","2","5","1") = "9"
    & skf18("10","1","6","1","2","6","1") = "9"
    & skf18("10","1","6","1","2","7","1") = "9"
    & skf18("10","1","6","1","2","8","1") = "9"
    & skf18("10","1","6","1","2","9","1") = "9"
    & skf18("10","1","6","1","2","10","1") = "9"
    & skf18("10","1","6","1","3","1","1") = "9"
    & skf18("10","1","6","1","3","2","1") = "9"
    & skf18("10","1","6","1","3","3","1") = "9"
    & skf18("10","1","6","1","3","4","1") = "9"
    & skf18("10","1","6","1","3","5","1") = "9"
    & skf18("10","1","6","1","3","6","1") = "9"
    & skf18("10","1","6","1","3","7","1") = "9"
    & skf18("10","1","6","1","3","8","1") = "9"
    & skf18("10","1","6","1","3","9","1") = "9"
    & skf18("10","1","6","1","3","10","1") = "9"
    & skf18("10","1","6","1","4","1","1") = "9"
    & skf18("10","1","6","1","4","2","1") = "9"
    & skf18("10","1","6","1","4","3","1") = "9"
    & skf18("10","1","6","1","4","4","1") = "9"
    & skf18("10","1","6","1","4","5","1") = "9"
    & skf18("10","1","6","1","4","6","1") = "9"
    & skf18("10","1","6","1","4","7","1") = "9"
    & skf18("10","1","6","1","4","8","1") = "9"
    & skf18("10","1","6","1","4","9","1") = "9"
    & skf18("10","1","6","1","4","10","1") = "9"
    & skf18("10","1","6","1","5","1","1") = "9"
    & skf18("10","1","6","1","5","2","1") = "9"
    & skf18("10","1","6","1","5","3","1") = "9"
    & skf18("10","1","6","1","5","4","1") = "9"
    & skf18("10","1","6","1","5","5","1") = "9"
    & skf18("10","1","6","1","5","6","1") = "9"
    & skf18("10","1","6","1","5","7","1") = "9"
    & skf18("10","1","6","1","5","8","1") = "9"
    & skf18("10","1","6","1","5","9","1") = "9"
    & skf18("10","1","6","1","5","10","1") = "9"
    & skf18("10","1","6","1","6","1","1") = "9"
    & skf18("10","1","6","1","6","2","1") = "9"
    & skf18("10","1","6","1","6","3","1") = "9"
    & skf18("10","1","6","1","6","4","1") = "9"
    & skf18("10","1","6","1","6","5","1") = "9"
    & skf18("10","1","6","1","6","6","1") = "9"
    & skf18("10","1","6","1","6","7","1") = "9"
    & skf18("10","1","6","1","6","8","1") = "9"
    & skf18("10","1","6","1","6","9","1") = "9"
    & skf18("10","1","6","1","6","10","1") = "9"
    & skf18("10","1","6","1","7","1","1") = "9"
    & skf18("10","1","6","1","7","2","1") = "9"
    & skf18("10","1","6","1","7","3","1") = "9"
    & skf18("10","1","6","1","7","4","1") = "9"
    & skf18("10","1","6","1","7","5","1") = "9"
    & skf18("10","1","6","1","7","6","1") = "9"
    & skf18("10","1","6","1","7","7","1") = "9"
    & skf18("10","1","6","1","7","8","1") = "9"
    & skf18("10","1","6","1","7","9","1") = "9"
    & skf18("10","1","6","1","7","10","1") = "9"
    & skf18("10","1","6","1","8","1","1") = "9"
    & skf18("10","1","6","1","8","2","1") = "9"
    & skf18("10","1","6","1","8","3","1") = "9"
    & skf18("10","1","6","1","8","4","1") = "9"
    & skf18("10","1","6","1","8","5","1") = "9"
    & skf18("10","1","6","1","8","6","1") = "9"
    & skf18("10","1","6","1","8","7","1") = "9"
    & skf18("10","1","6","1","8","8","1") = "9"
    & skf18("10","1","6","1","8","9","1") = "9"
    & skf18("10","1","6","1","8","10","1") = "9"
    & skf18("10","1","6","1","9","1","1") = "9"
    & skf18("10","1","6","1","9","2","1") = "9"
    & skf18("10","1","6","1","9","3","1") = "9"
    & skf18("10","1","6","1","9","4","1") = "9"
    & skf18("10","1","6","1","9","5","1") = "9"
    & skf18("10","1","6","1","9","6","1") = "9"
    & skf18("10","1","6","1","9","7","1") = "9"
    & skf18("10","1","6","1","9","8","1") = "9"
    & skf18("10","1","6","1","9","9","1") = "9"
    & skf18("10","1","6","1","9","10","1") = "9"
    & skf18("10","1","6","1","10","1","1") = "9"
    & skf18("10","1","6","1","10","2","1") = "9"
    & skf18("10","1","6","1","10","3","1") = "9"
    & skf18("10","1","6","1","10","4","1") = "9"
    & skf18("10","1","6","1","10","5","1") = "9"
    & skf18("10","1","6","1","10","6","1") = "9"
    & skf18("10","1","6","1","10","7","1") = "9"
    & skf18("10","1","6","1","10","8","1") = "9"
    & skf18("10","1","6","1","10","9","1") = "9"
    & skf18("10","1","6","1","10","10","1") = "9"
    & skf18("10","1","6","2","1","1","1") = "9"
    & skf18("10","1","6","2","1","2","1") = "9"
    & skf18("10","1","6","2","1","3","1") = "9"
    & skf18("10","1","6","2","1","4","1") = "9"
    & skf18("10","1","6","2","1","5","1") = "9"
    & skf18("10","1","6","2","1","6","1") = "9"
    & skf18("10","1","6","2","1","7","1") = "9"
    & skf18("10","1","6","2","1","8","1") = "9"
    & skf18("10","1","6","2","1","9","1") = "9"
    & skf18("10","1","6","2","1","10","1") = "9"
    & skf18("10","1","6","2","2","1","1") = "9"
    & skf18("10","1","6","2","2","2","1") = "9"
    & skf18("10","1","6","2","2","3","1") = "9"
    & skf18("10","1","6","2","2","4","1") = "9"
    & skf18("10","1","6","2","2","5","1") = "9"
    & skf18("10","1","6","2","2","6","1") = "9"
    & skf18("10","1","6","2","2","7","1") = "9"
    & skf18("10","1","6","2","2","8","1") = "9"
    & skf18("10","1","6","2","2","9","1") = "9"
    & skf18("10","1","6","2","2","10","1") = "9"
    & skf18("10","1","6","2","3","1","1") = "9"
    & skf18("10","1","6","2","3","2","1") = "9"
    & skf18("10","1","6","2","3","3","1") = "9"
    & skf18("10","1","6","2","3","4","1") = "9"
    & skf18("10","1","6","2","3","5","1") = "9"
    & skf18("10","1","6","2","3","6","1") = "9"
    & skf18("10","1","6","2","3","7","1") = "9"
    & skf18("10","1","6","2","3","8","1") = "9"
    & skf18("10","1","6","2","3","9","1") = "9"
    & skf18("10","1","6","2","3","10","1") = "9"
    & skf18("10","1","6","2","4","1","1") = "9"
    & skf18("10","1","6","2","4","2","1") = "9"
    & skf18("10","1","6","2","4","3","1") = "9"
    & skf18("10","1","6","2","4","4","1") = "9"
    & skf18("10","1","6","2","4","5","1") = "9"
    & skf18("10","1","6","2","4","6","1") = "9"
    & skf18("10","1","6","2","4","7","1") = "9"
    & skf18("10","1","6","2","4","8","1") = "9"
    & skf18("10","1","6","2","4","9","1") = "9"
    & skf18("10","1","6","2","4","10","1") = "9"
    & skf18("10","1","6","2","5","1","1") = "9"
    & skf18("10","1","6","2","5","2","1") = "9"
    & skf18("10","1","6","2","5","3","1") = "9"
    & skf18("10","1","6","2","5","4","1") = "9"
    & skf18("10","1","6","2","5","5","1") = "9"
    & skf18("10","1","6","2","5","6","1") = "9"
    & skf18("10","1","6","2","5","7","1") = "9"
    & skf18("10","1","6","2","5","8","1") = "9"
    & skf18("10","1","6","2","5","9","1") = "9"
    & skf18("10","1","6","2","5","10","1") = "9"
    & skf18("10","1","6","2","6","1","1") = "9"
    & skf18("10","1","6","2","6","2","1") = "9"
    & skf18("10","1","6","2","6","3","1") = "9"
    & skf18("10","1","6","2","6","4","1") = "9"
    & skf18("10","1","6","2","6","5","1") = "9"
    & skf18("10","1","6","2","6","6","1") = "9"
    & skf18("10","1","6","2","6","7","1") = "9"
    & skf18("10","1","6","2","6","8","1") = "9"
    & skf18("10","1","6","2","6","9","1") = "9"
    & skf18("10","1","6","2","6","10","1") = "9"
    & skf18("10","1","6","2","7","1","1") = "9"
    & skf18("10","1","6","2","7","2","1") = "9"
    & skf18("10","1","6","2","7","3","1") = "9"
    & skf18("10","1","6","2","7","4","1") = "9"
    & skf18("10","1","6","2","7","5","1") = "9"
    & skf18("10","1","6","2","7","6","1") = "9"
    & skf18("10","1","6","2","7","7","1") = "9"
    & skf18("10","1","6","2","7","8","1") = "9"
    & skf18("10","1","6","2","7","9","1") = "9"
    & skf18("10","1","6","2","7","10","1") = "9"
    & skf18("10","1","6","2","8","1","1") = "9"
    & skf18("10","1","6","2","8","2","1") = "9"
    & skf18("10","1","6","2","8","3","1") = "9"
    & skf18("10","1","6","2","8","4","1") = "9"
    & skf18("10","1","6","2","8","5","1") = "9"
    & skf18("10","1","6","2","8","6","1") = "9"
    & skf18("10","1","6","2","8","7","1") = "9"
    & skf18("10","1","6","2","8","8","1") = "9"
    & skf18("10","1","6","2","8","9","1") = "9"
    & skf18("10","1","6","2","8","10","1") = "9"
    & skf18("10","1","6","2","9","1","1") = "9"
    & skf18("10","1","6","2","9","2","1") = "9"
    & skf18("10","1","6","2","9","3","1") = "9"
    & skf18("10","1","6","2","9","4","1") = "9"
    & skf18("10","1","6","2","9","5","1") = "9"
    & skf18("10","1","6","2","9","6","1") = "9"
    & skf18("10","1","6","2","9","7","1") = "9"
    & skf18("10","1","6","2","9","8","1") = "9"
    & skf18("10","1","6","2","9","9","1") = "9"
    & skf18("10","1","6","2","9","10","1") = "9"
    & skf18("10","1","6","2","10","1","1") = "9"
    & skf18("10","1","6","2","10","2","1") = "9"
    & skf18("10","1","6","2","10","3","1") = "9"
    & skf18("10","1","6","2","10","4","1") = "9"
    & skf18("10","1","6","2","10","5","1") = "9"
    & skf18("10","1","6","2","10","6","1") = "9"
    & skf18("10","1","6","2","10","7","1") = "9"
    & skf18("10","1","6","2","10","8","1") = "9"
    & skf18("10","1","6","2","10","9","1") = "9"
    & skf18("10","1","6","2","10","10","1") = "9"
    & skf18("10","1","6","3","1","1","1") = "9"
    & skf18("10","1","6","3","1","2","1") = "9"
    & skf18("10","1","6","3","1","3","1") = "9"
    & skf18("10","1","6","3","1","4","1") = "9"
    & skf18("10","1","6","3","1","5","1") = "9"
    & skf18("10","1","6","3","1","6","1") = "9"
    & skf18("10","1","6","3","1","7","1") = "9"
    & skf18("10","1","6","3","1","8","1") = "9"
    & skf18("10","1","6","3","1","9","1") = "9"
    & skf18("10","1","6","3","1","10","1") = "9"
    & skf18("10","1","6","3","2","1","1") = "9"
    & skf18("10","1","6","3","2","2","1") = "9"
    & skf18("10","1","6","3","2","3","1") = "9"
    & skf18("10","1","6","3","2","4","1") = "9"
    & skf18("10","1","6","3","2","5","1") = "9"
    & skf18("10","1","6","3","2","6","1") = "9"
    & skf18("10","1","6","3","2","7","1") = "9"
    & skf18("10","1","6","3","2","8","1") = "9"
    & skf18("10","1","6","3","2","9","1") = "9"
    & skf18("10","1","6","3","2","10","1") = "9"
    & skf18("10","1","6","3","3","1","1") = "9"
    & skf18("10","1","6","3","3","2","1") = "9"
    & skf18("10","1","6","3","3","3","1") = "9"
    & skf18("10","1","6","3","3","4","1") = "9"
    & skf18("10","1","6","3","3","5","1") = "9"
    & skf18("10","1","6","3","3","6","1") = "9"
    & skf18("10","1","6","3","3","7","1") = "9"
    & skf18("10","1","6","3","3","8","1") = "9"
    & skf18("10","1","6","3","3","9","1") = "9"
    & skf18("10","1","6","3","3","10","1") = "9"
    & skf18("10","1","6","3","4","1","1") = "9"
    & skf18("10","1","6","3","4","2","1") = "9"
    & skf18("10","1","6","3","4","3","1") = "9"
    & skf18("10","1","6","3","4","4","1") = "9"
    & skf18("10","1","6","3","4","5","1") = "9"
    & skf18("10","1","6","3","4","6","1") = "9"
    & skf18("10","1","6","3","4","7","1") = "9"
    & skf18("10","1","6","3","4","8","1") = "9"
    & skf18("10","1","6","3","4","9","1") = "9"
    & skf18("10","1","6","3","4","10","1") = "9"
    & skf18("10","1","6","3","5","1","1") = "9"
    & skf18("10","1","6","3","5","2","1") = "9"
    & skf18("10","1","6","3","5","3","1") = "9"
    & skf18("10","1","6","3","5","4","1") = "9"
    & skf18("10","1","6","3","5","5","1") = "9"
    & skf18("10","1","6","3","5","6","1") = "9"
    & skf18("10","1","6","3","5","7","1") = "9"
    & skf18("10","1","6","3","5","8","1") = "9"
    & skf18("10","1","6","3","5","9","1") = "9"
    & skf18("10","1","6","3","5","10","1") = "9"
    & skf18("10","1","6","3","6","1","1") = "9"
    & skf18("10","1","6","3","6","2","1") = "9"
    & skf18("10","1","6","3","6","3","1") = "9"
    & skf18("10","1","6","3","6","4","1") = "9"
    & skf18("10","1","6","3","6","5","1") = "9"
    & skf18("10","1","6","3","6","6","1") = "9"
    & skf18("10","1","6","3","6","7","1") = "9"
    & skf18("10","1","6","3","6","8","1") = "9"
    & skf18("10","1","6","3","6","9","1") = "9"
    & skf18("10","1","6","3","6","10","1") = "9"
    & skf18("10","1","6","3","7","1","1") = "9"
    & skf18("10","1","6","3","7","2","1") = "9"
    & skf18("10","1","6","3","7","3","1") = "9"
    & skf18("10","1","6","3","7","4","1") = "9"
    & skf18("10","1","6","3","7","5","1") = "9"
    & skf18("10","1","6","3","7","6","1") = "9"
    & skf18("10","1","6","3","7","7","1") = "9"
    & skf18("10","1","6","3","7","8","1") = "9"
    & skf18("10","1","6","3","7","9","1") = "9"
    & skf18("10","1","6","3","7","10","1") = "9"
    & skf18("10","1","6","3","8","1","1") = "9"
    & skf18("10","1","6","3","8","2","1") = "9"
    & skf18("10","1","6","3","8","3","1") = "9"
    & skf18("10","1","6","3","8","4","1") = "9"
    & skf18("10","1","6","3","8","5","1") = "9"
    & skf18("10","1","6","3","8","6","1") = "9"
    & skf18("10","1","6","3","8","7","1") = "9"
    & skf18("10","1","6","3","8","8","1") = "9"
    & skf18("10","1","6","3","8","9","1") = "9"
    & skf18("10","1","6","3","8","10","1") = "9"
    & skf18("10","1","6","3","9","1","1") = "9"
    & skf18("10","1","6","3","9","2","1") = "9"
    & skf18("10","1","6","3","9","3","1") = "9"
    & skf18("10","1","6","3","9","4","1") = "9"
    & skf18("10","1","6","3","9","5","1") = "9"
    & skf18("10","1","6","3","9","6","1") = "9"
    & skf18("10","1","6","3","9","7","1") = "9"
    & skf18("10","1","6","3","9","8","1") = "9"
    & skf18("10","1","6","3","9","9","1") = "9"
    & skf18("10","1","6","3","9","10","1") = "9"
    & skf18("10","1","6","3","10","1","1") = "9"
    & skf18("10","1","6","3","10","2","1") = "9"
    & skf18("10","1","6","3","10","3","1") = "9"
    & skf18("10","1","6","3","10","4","1") = "9"
    & skf18("10","1","6","3","10","5","1") = "9"
    & skf18("10","1","6","3","10","6","1") = "9"
    & skf18("10","1","6","3","10","7","1") = "9"
    & skf18("10","1","6","3","10","8","1") = "9"
    & skf18("10","1","6","3","10","9","1") = "9"
    & skf18("10","1","6","3","10","10","1") = "9"
    & skf18("10","1","6","4","1","1","1") = "9"
    & skf18("10","1","6","4","1","2","1") = "9"
    & skf18("10","1","6","4","1","3","1") = "9"
    & skf18("10","1","6","4","1","4","1") = "9"
    & skf18("10","1","6","4","1","5","1") = "9"
    & skf18("10","1","6","4","1","6","1") = "9"
    & skf18("10","1","6","4","1","7","1") = "9"
    & skf18("10","1","6","4","1","8","1") = "9"
    & skf18("10","1","6","4","1","9","1") = "9"
    & skf18("10","1","6","4","1","10","1") = "9"
    & skf18("10","1","6","4","2","1","1") = "9"
    & skf18("10","1","6","4","2","2","1") = "9"
    & skf18("10","1","6","4","2","3","1") = "9"
    & skf18("10","1","6","4","2","4","1") = "9"
    & skf18("10","1","6","4","2","5","1") = "9"
    & skf18("10","1","6","4","2","6","1") = "9"
    & skf18("10","1","6","4","2","7","1") = "9"
    & skf18("10","1","6","4","2","8","1") = "9"
    & skf18("10","1","6","4","2","9","1") = "9"
    & skf18("10","1","6","4","2","10","1") = "9"
    & skf18("10","1","6","4","3","1","1") = "9"
    & skf18("10","1","6","4","3","2","1") = "9"
    & skf18("10","1","6","4","3","3","1") = "9"
    & skf18("10","1","6","4","3","4","1") = "9"
    & skf18("10","1","6","4","3","5","1") = "9"
    & skf18("10","1","6","4","3","6","1") = "9"
    & skf18("10","1","6","4","3","7","1") = "9"
    & skf18("10","1","6","4","3","8","1") = "9"
    & skf18("10","1","6","4","3","9","1") = "9"
    & skf18("10","1","6","4","3","10","1") = "9"
    & skf18("10","1","6","4","4","1","1") = "9"
    & skf18("10","1","6","4","4","2","1") = "9"
    & skf18("10","1","6","4","4","3","1") = "9"
    & skf18("10","1","6","4","4","4","1") = "9"
    & skf18("10","1","6","4","4","5","1") = "9"
    & skf18("10","1","6","4","4","6","1") = "9"
    & skf18("10","1","6","4","4","7","1") = "9"
    & skf18("10","1","6","4","4","8","1") = "9"
    & skf18("10","1","6","4","4","9","1") = "9"
    & skf18("10","1","6","4","4","10","1") = "9"
    & skf18("10","1","6","4","5","1","1") = "9"
    & skf18("10","1","6","4","5","2","1") = "9"
    & skf18("10","1","6","4","5","3","1") = "9"
    & skf18("10","1","6","4","5","4","1") = "9"
    & skf18("10","1","6","4","5","5","1") = "9"
    & skf18("10","1","6","4","5","6","1") = "9"
    & skf18("10","1","6","4","5","7","1") = "9"
    & skf18("10","1","6","4","5","8","1") = "9"
    & skf18("10","1","6","4","5","9","1") = "9"
    & skf18("10","1","6","4","5","10","1") = "9"
    & skf18("10","1","6","4","6","1","1") = "9"
    & skf18("10","1","6","4","6","2","1") = "9"
    & skf18("10","1","6","4","6","3","1") = "9"
    & skf18("10","1","6","4","6","4","1") = "9"
    & skf18("10","1","6","4","6","5","1") = "9"
    & skf18("10","1","6","4","6","6","1") = "9"
    & skf18("10","1","6","4","6","7","1") = "9"
    & skf18("10","1","6","4","6","8","1") = "9"
    & skf18("10","1","6","4","6","9","1") = "9"
    & skf18("10","1","6","4","6","10","1") = "9"
    & skf18("10","1","6","4","7","1","1") = "9"
    & skf18("10","1","6","4","7","2","1") = "9"
    & skf18("10","1","6","4","7","3","1") = "9"
    & skf18("10","1","6","4","7","4","1") = "9"
    & skf18("10","1","6","4","7","5","1") = "9"
    & skf18("10","1","6","4","7","6","1") = "9"
    & skf18("10","1","6","4","7","7","1") = "9"
    & skf18("10","1","6","4","7","8","1") = "9"
    & skf18("10","1","6","4","7","9","1") = "9"
    & skf18("10","1","6","4","7","10","1") = "9"
    & skf18("10","1","6","4","8","1","1") = "9"
    & skf18("10","1","6","4","8","2","1") = "9"
    & skf18("10","1","6","4","8","3","1") = "9"
    & skf18("10","1","6","4","8","4","1") = "9"
    & skf18("10","1","6","4","8","5","1") = "9"
    & skf18("10","1","6","4","8","6","1") = "9"
    & skf18("10","1","6","4","8","7","1") = "9"
    & skf18("10","1","6","4","8","8","1") = "9"
    & skf18("10","1","6","4","8","9","1") = "9"
    & skf18("10","1","6","4","8","10","1") = "9"
    & skf18("10","1","6","4","9","1","1") = "9"
    & skf18("10","1","6","4","9","2","1") = "9"
    & skf18("10","1","6","4","9","3","1") = "9"
    & skf18("10","1","6","4","9","4","1") = "9"
    & skf18("10","1","6","4","9","5","1") = "9"
    & skf18("10","1","6","4","9","6","1") = "9"
    & skf18("10","1","6","4","9","7","1") = "9"
    & skf18("10","1","6","4","9","8","1") = "9"
    & skf18("10","1","6","4","9","9","1") = "9"
    & skf18("10","1","6","4","9","10","1") = "9"
    & skf18("10","1","6","4","10","1","1") = "9"
    & skf18("10","1","6","4","10","2","1") = "9"
    & skf18("10","1","6","4","10","3","1") = "9"
    & skf18("10","1","6","4","10","4","1") = "9"
    & skf18("10","1","6","4","10","5","1") = "9"
    & skf18("10","1","6","4","10","6","1") = "9"
    & skf18("10","1","6","4","10","7","1") = "9"
    & skf18("10","1","6","4","10","8","1") = "9"
    & skf18("10","1","6","4","10","9","1") = "9"
    & skf18("10","1","6","4","10","10","1") = "9"
    & skf18("10","1","6","5","1","1","1") = "9"
    & skf18("10","1","6","5","1","2","1") = "9"
    & skf18("10","1","6","5","1","3","1") = "9"
    & skf18("10","1","6","5","1","4","1") = "9"
    & skf18("10","1","6","5","1","5","1") = "9"
    & skf18("10","1","6","5","1","6","1") = "9"
    & skf18("10","1","6","5","1","7","1") = "9"
    & skf18("10","1","6","5","1","8","1") = "9"
    & skf18("10","1","6","5","1","9","1") = "9"
    & skf18("10","1","6","5","1","10","1") = "9"
    & skf18("10","1","6","5","2","1","1") = "9"
    & skf18("10","1","6","5","2","2","1") = "9"
    & skf18("10","1","6","5","2","3","1") = "9"
    & skf18("10","1","6","5","2","4","1") = "9"
    & skf18("10","1","6","5","2","5","1") = "9"
    & skf18("10","1","6","5","2","6","1") = "9"
    & skf18("10","1","6","5","2","7","1") = "9"
    & skf18("10","1","6","5","2","8","1") = "9"
    & skf18("10","1","6","5","2","9","1") = "9"
    & skf18("10","1","6","5","2","10","1") = "9"
    & skf18("10","1","6","5","3","1","1") = "9"
    & skf18("10","1","6","5","3","2","1") = "9"
    & skf18("10","1","6","5","3","3","1") = "9"
    & skf18("10","1","6","5","3","4","1") = "9"
    & skf18("10","1","6","5","3","5","1") = "9"
    & skf18("10","1","6","5","3","6","1") = "9"
    & skf18("10","1","6","5","3","7","1") = "9"
    & skf18("10","1","6","5","3","8","1") = "9"
    & skf18("10","1","6","5","3","9","1") = "9"
    & skf18("10","1","6","5","3","10","1") = "9"
    & skf18("10","1","6","5","4","1","1") = "9"
    & skf18("10","1","6","5","4","2","1") = "9"
    & skf18("10","1","6","5","4","3","1") = "9"
    & skf18("10","1","6","5","4","4","1") = "9"
    & skf18("10","1","6","5","4","5","1") = "9"
    & skf18("10","1","6","5","4","6","1") = "9"
    & skf18("10","1","6","5","4","7","1") = "9"
    & skf18("10","1","6","5","4","8","1") = "9"
    & skf18("10","1","6","5","4","9","1") = "9"
    & skf18("10","1","6","5","4","10","1") = "9"
    & skf18("10","1","6","5","5","1","1") = "9"
    & skf18("10","1","6","5","5","2","1") = "9"
    & skf18("10","1","6","5","5","3","1") = "9"
    & skf18("10","1","6","5","5","4","1") = "9"
    & skf18("10","1","6","5","5","5","1") = "9"
    & skf18("10","1","6","5","5","6","1") = "9"
    & skf18("10","1","6","5","5","7","1") = "9"
    & skf18("10","1","6","5","5","8","1") = "9"
    & skf18("10","1","6","5","5","9","1") = "9"
    & skf18("10","1","6","5","5","10","1") = "9"
    & skf18("10","1","6","5","6","1","1") = "9"
    & skf18("10","1","6","5","6","2","1") = "9"
    & skf18("10","1","6","5","6","3","1") = "9"
    & skf18("10","1","6","5","6","4","1") = "9"
    & skf18("10","1","6","5","6","5","1") = "9"
    & skf18("10","1","6","5","6","6","1") = "9"
    & skf18("10","1","6","5","6","7","1") = "9"
    & skf18("10","1","6","5","6","8","1") = "9"
    & skf18("10","1","6","5","6","9","1") = "9"
    & skf18("10","1","6","5","6","10","1") = "9"
    & skf18("10","1","6","5","7","1","1") = "9"
    & skf18("10","1","6","5","7","2","1") = "9"
    & skf18("10","1","6","5","7","3","1") = "9"
    & skf18("10","1","6","5","7","4","1") = "9"
    & skf18("10","1","6","5","7","5","1") = "9"
    & skf18("10","1","6","5","7","6","1") = "9"
    & skf18("10","1","6","5","7","7","1") = "9"
    & skf18("10","1","6","5","7","8","1") = "9"
    & skf18("10","1","6","5","7","9","1") = "9"
    & skf18("10","1","6","5","7","10","1") = "9"
    & skf18("10","1","6","5","8","1","1") = "9"
    & skf18("10","1","6","5","8","2","1") = "9"
    & skf18("10","1","6","5","8","3","1") = "9"
    & skf18("10","1","6","5","8","4","1") = "9"
    & skf18("10","1","6","5","8","5","1") = "9"
    & skf18("10","1","6","5","8","6","1") = "9"
    & skf18("10","1","6","5","8","7","1") = "9"
    & skf18("10","1","6","5","8","8","1") = "9"
    & skf18("10","1","6","5","8","9","1") = "9"
    & skf18("10","1","6","5","8","10","1") = "9"
    & skf18("10","1","6","5","9","1","1") = "9"
    & skf18("10","1","6","5","9","2","1") = "9"
    & skf18("10","1","6","5","9","3","1") = "9"
    & skf18("10","1","6","5","9","4","1") = "9"
    & skf18("10","1","6","5","9","5","1") = "9"
    & skf18("10","1","6","5","9","6","1") = "9"
    & skf18("10","1","6","5","9","7","1") = "9"
    & skf18("10","1","6","5","9","8","1") = "9"
    & skf18("10","1","6","5","9","9","1") = "9"
    & skf18("10","1","6","5","9","10","1") = "9"
    & skf18("10","1","6","5","10","1","1") = "9"
    & skf18("10","1","6","5","10","2","1") = "9"
    & skf18("10","1","6","5","10","3","1") = "9"
    & skf18("10","1","6","5","10","4","1") = "9"
    & skf18("10","1","6","5","10","5","1") = "9"
    & skf18("10","1","6","5","10","6","1") = "9"
    & skf18("10","1","6","5","10","7","1") = "9"
    & skf18("10","1","6","5","10","8","1") = "9"
    & skf18("10","1","6","5","10","9","1") = "9"
    & skf18("10","1","6","5","10","10","1") = "9"
    & skf18("10","1","6","6","1","1","1") = "9"
    & skf18("10","1","6","6","1","2","1") = "9"
    & skf18("10","1","6","6","1","3","1") = "9"
    & skf18("10","1","6","6","1","4","1") = "9"
    & skf18("10","1","6","6","1","5","1") = "9"
    & skf18("10","1","6","6","1","6","1") = "9"
    & skf18("10","1","6","6","1","7","1") = "9"
    & skf18("10","1","6","6","1","8","1") = "9"
    & skf18("10","1","6","6","1","9","1") = "9"
    & skf18("10","1","6","6","1","10","1") = "9"
    & skf18("10","1","6","6","2","1","1") = "9"
    & skf18("10","1","6","6","2","2","1") = "9"
    & skf18("10","1","6","6","2","3","1") = "9"
    & skf18("10","1","6","6","2","4","1") = "9"
    & skf18("10","1","6","6","2","5","1") = "9"
    & skf18("10","1","6","6","2","6","1") = "9"
    & skf18("10","1","6","6","2","7","1") = "9"
    & skf18("10","1","6","6","2","8","1") = "9"
    & skf18("10","1","6","6","2","9","1") = "9"
    & skf18("10","1","6","6","2","10","1") = "9"
    & skf18("10","1","6","6","3","1","1") = "9"
    & skf18("10","1","6","6","3","2","1") = "9"
    & skf18("10","1","6","6","3","3","1") = "9"
    & skf18("10","1","6","6","3","4","1") = "9"
    & skf18("10","1","6","6","3","5","1") = "9"
    & skf18("10","1","6","6","3","6","1") = "9"
    & skf18("10","1","6","6","3","7","1") = "9"
    & skf18("10","1","6","6","3","8","1") = "9"
    & skf18("10","1","6","6","3","9","1") = "9"
    & skf18("10","1","6","6","3","10","1") = "9"
    & skf18("10","1","6","6","4","1","1") = "9"
    & skf18("10","1","6","6","4","2","1") = "9"
    & skf18("10","1","6","6","4","3","1") = "9"
    & skf18("10","1","6","6","4","4","1") = "9"
    & skf18("10","1","6","6","4","5","1") = "9"
    & skf18("10","1","6","6","4","6","1") = "9"
    & skf18("10","1","6","6","4","7","1") = "9"
    & skf18("10","1","6","6","4","8","1") = "9"
    & skf18("10","1","6","6","4","9","1") = "9"
    & skf18("10","1","6","6","4","10","1") = "9"
    & skf18("10","1","6","6","5","1","1") = "9"
    & skf18("10","1","6","6","5","2","1") = "9"
    & skf18("10","1","6","6","5","3","1") = "9"
    & skf18("10","1","6","6","5","4","1") = "9"
    & skf18("10","1","6","6","5","5","1") = "9"
    & skf18("10","1","6","6","5","6","1") = "9"
    & skf18("10","1","6","6","5","7","1") = "9"
    & skf18("10","1","6","6","5","8","1") = "9"
    & skf18("10","1","6","6","5","9","1") = "9"
    & skf18("10","1","6","6","5","10","1") = "9"
    & skf18("10","1","6","6","6","1","1") = "9"
    & skf18("10","1","6","6","6","2","1") = "9"
    & skf18("10","1","6","6","6","3","1") = "9"
    & skf18("10","1","6","6","6","4","1") = "9"
    & skf18("10","1","6","6","6","5","1") = "9"
    & skf18("10","1","6","6","6","6","1") = "9"
    & skf18("10","1","6","6","6","7","1") = "9"
    & skf18("10","1","6","6","6","8","1") = "9"
    & skf18("10","1","6","6","6","9","1") = "9"
    & skf18("10","1","6","6","6","10","1") = "9"
    & skf18("10","1","6","6","7","1","1") = "9"
    & skf18("10","1","6","6","7","2","1") = "9"
    & skf18("10","1","6","6","7","3","1") = "9"
    & skf18("10","1","6","6","7","4","1") = "9"
    & skf18("10","1","6","6","7","5","1") = "9"
    & skf18("10","1","6","6","7","6","1") = "9"
    & skf18("10","1","6","6","7","7","1") = "9"
    & skf18("10","1","6","6","7","8","1") = "9"
    & skf18("10","1","6","6","7","9","1") = "9"
    & skf18("10","1","6","6","7","10","1") = "9"
    & skf18("10","1","6","6","8","1","1") = "9"
    & skf18("10","1","6","6","8","2","1") = "9"
    & skf18("10","1","6","6","8","3","1") = "9"
    & skf18("10","1","6","6","8","4","1") = "9"
    & skf18("10","1","6","6","8","5","1") = "9"
    & skf18("10","1","6","6","8","6","1") = "9"
    & skf18("10","1","6","6","8","7","1") = "9"
    & skf18("10","1","6","6","8","8","1") = "9"
    & skf18("10","1","6","6","8","9","1") = "9"
    & skf18("10","1","6","6","8","10","1") = "9"
    & skf18("10","1","6","6","9","1","1") = "9"
    & skf18("10","1","6","6","9","2","1") = "9"
    & skf18("10","1","6","6","9","3","1") = "9"
    & skf18("10","1","6","6","9","4","1") = "9"
    & skf18("10","1","6","6","9","5","1") = "9"
    & skf18("10","1","6","6","9","6","1") = "9"
    & skf18("10","1","6","6","9","7","1") = "9"
    & skf18("10","1","6","6","9","8","1") = "9"
    & skf18("10","1","6","6","9","9","1") = "9"
    & skf18("10","1","6","6","9","10","1") = "9"
    & skf18("10","1","6","6","10","1","1") = "9"
    & skf18("10","1","6","6","10","2","1") = "9"
    & skf18("10","1","6","6","10","3","1") = "9"
    & skf18("10","1","6","6","10","4","1") = "9"
    & skf18("10","1","6","6","10","5","1") = "9"
    & skf18("10","1","6","6","10","6","1") = "9"
    & skf18("10","1","6","6","10","7","1") = "9"
    & skf18("10","1","6","6","10","8","1") = "9"
    & skf18("10","1","6","6","10","9","1") = "9"
    & skf18("10","1","6","6","10","10","1") = "9"
    & skf18("10","1","6","7","1","1","1") = "9"
    & skf18("10","1","6","7","1","2","1") = "9"
    & skf18("10","1","6","7","1","3","1") = "9"
    & skf18("10","1","6","7","1","4","1") = "9"
    & skf18("10","1","6","7","1","5","1") = "9"
    & skf18("10","1","6","7","1","6","1") = "9"
    & skf18("10","1","6","7","1","7","1") = "9"
    & skf18("10","1","6","7","1","8","1") = "9"
    & skf18("10","1","6","7","1","9","1") = "9"
    & skf18("10","1","6","7","1","10","1") = "9"
    & skf18("10","1","6","7","2","1","1") = "9"
    & skf18("10","1","6","7","2","2","1") = "9"
    & skf18("10","1","6","7","2","3","1") = "9"
    & skf18("10","1","6","7","2","4","1") = "9"
    & skf18("10","1","6","7","2","5","1") = "9"
    & skf18("10","1","6","7","2","6","1") = "9"
    & skf18("10","1","6","7","2","7","1") = "9"
    & skf18("10","1","6","7","2","8","1") = "9"
    & skf18("10","1","6","7","2","9","1") = "9"
    & skf18("10","1","6","7","2","10","1") = "9"
    & skf18("10","1","6","7","3","1","1") = "9"
    & skf18("10","1","6","7","3","2","1") = "9"
    & skf18("10","1","6","7","3","3","1") = "9"
    & skf18("10","1","6","7","3","4","1") = "9"
    & skf18("10","1","6","7","3","5","1") = "9"
    & skf18("10","1","6","7","3","6","1") = "9"
    & skf18("10","1","6","7","3","7","1") = "9"
    & skf18("10","1","6","7","3","8","1") = "9"
    & skf18("10","1","6","7","3","9","1") = "9"
    & skf18("10","1","6","7","3","10","1") = "9"
    & skf18("10","1","6","7","4","1","1") = "9"
    & skf18("10","1","6","7","4","2","1") = "9"
    & skf18("10","1","6","7","4","3","1") = "9"
    & skf18("10","1","6","7","4","4","1") = "9"
    & skf18("10","1","6","7","4","5","1") = "9"
    & skf18("10","1","6","7","4","6","1") = "9"
    & skf18("10","1","6","7","4","7","1") = "9"
    & skf18("10","1","6","7","4","8","1") = "9"
    & skf18("10","1","6","7","4","9","1") = "9"
    & skf18("10","1","6","7","4","10","1") = "9"
    & skf18("10","1","6","7","5","1","1") = "9"
    & skf18("10","1","6","7","5","2","1") = "9"
    & skf18("10","1","6","7","5","3","1") = "9"
    & skf18("10","1","6","7","5","4","1") = "9"
    & skf18("10","1","6","7","5","5","1") = "9"
    & skf18("10","1","6","7","5","6","1") = "9"
    & skf18("10","1","6","7","5","7","1") = "9"
    & skf18("10","1","6","7","5","8","1") = "9"
    & skf18("10","1","6","7","5","9","1") = "9"
    & skf18("10","1","6","7","5","10","1") = "9"
    & skf18("10","1","6","7","6","1","1") = "9"
    & skf18("10","1","6","7","6","2","1") = "9"
    & skf18("10","1","6","7","6","3","1") = "9"
    & skf18("10","1","6","7","6","4","1") = "9"
    & skf18("10","1","6","7","6","5","1") = "9"
    & skf18("10","1","6","7","6","6","1") = "9"
    & skf18("10","1","6","7","6","7","1") = "9"
    & skf18("10","1","6","7","6","8","1") = "9"
    & skf18("10","1","6","7","6","9","1") = "9"
    & skf18("10","1","6","7","6","10","1") = "9"
    & skf18("10","1","6","7","7","1","1") = "9"
    & skf18("10","1","6","7","7","2","1") = "9"
    & skf18("10","1","6","7","7","3","1") = "9"
    & skf18("10","1","6","7","7","4","1") = "9"
    & skf18("10","1","6","7","7","5","1") = "9"
    & skf18("10","1","6","7","7","6","1") = "9"
    & skf18("10","1","6","7","7","7","1") = "9"
    & skf18("10","1","6","7","7","8","1") = "9"
    & skf18("10","1","6","7","7","9","1") = "9"
    & skf18("10","1","6","7","7","10","1") = "9"
    & skf18("10","1","6","7","8","1","1") = "9"
    & skf18("10","1","6","7","8","2","1") = "9"
    & skf18("10","1","6","7","8","3","1") = "9"
    & skf18("10","1","6","7","8","4","1") = "9"
    & skf18("10","1","6","7","8","5","1") = "9"
    & skf18("10","1","6","7","8","6","1") = "9"
    & skf18("10","1","6","7","8","7","1") = "9"
    & skf18("10","1","6","7","8","8","1") = "9"
    & skf18("10","1","6","7","8","9","1") = "9"
    & skf18("10","1","6","7","8","10","1") = "9"
    & skf18("10","1","6","7","9","1","1") = "9"
    & skf18("10","1","6","7","9","2","1") = "9"
    & skf18("10","1","6","7","9","3","1") = "9"
    & skf18("10","1","6","7","9","4","1") = "9"
    & skf18("10","1","6","7","9","5","1") = "9"
    & skf18("10","1","6","7","9","6","1") = "9"
    & skf18("10","1","6","7","9","7","1") = "9"
    & skf18("10","1","6","7","9","8","1") = "9"
    & skf18("10","1","6","7","9","9","1") = "9"
    & skf18("10","1","6","7","9","10","1") = "9"
    & skf18("10","1","6","7","10","1","1") = "9"
    & skf18("10","1","6","7","10","2","1") = "9"
    & skf18("10","1","6","7","10","3","1") = "9"
    & skf18("10","1","6","7","10","4","1") = "9"
    & skf18("10","1","6","7","10","5","1") = "9"
    & skf18("10","1","6","7","10","6","1") = "9"
    & skf18("10","1","6","7","10","7","1") = "9"
    & skf18("10","1","6","7","10","8","1") = "9"
    & skf18("10","1","6","7","10","9","1") = "9"
    & skf18("10","1","6","7","10","10","1") = "9"
    & skf18("10","1","6","8","1","1","1") = "9"
    & skf18("10","1","6","8","1","2","1") = "9"
    & skf18("10","1","6","8","1","3","1") = "9"
    & skf18("10","1","6","8","1","4","1") = "9"
    & skf18("10","1","6","8","1","5","1") = "9"
    & skf18("10","1","6","8","1","6","1") = "9"
    & skf18("10","1","6","8","1","7","1") = "9"
    & skf18("10","1","6","8","1","8","1") = "9"
    & skf18("10","1","6","8","1","9","1") = "9"
    & skf18("10","1","6","8","1","10","1") = "9"
    & skf18("10","1","6","8","2","1","1") = "9"
    & skf18("10","1","6","8","2","2","1") = "9"
    & skf18("10","1","6","8","2","3","1") = "9"
    & skf18("10","1","6","8","2","4","1") = "9"
    & skf18("10","1","6","8","2","5","1") = "9"
    & skf18("10","1","6","8","2","6","1") = "9"
    & skf18("10","1","6","8","2","7","1") = "9"
    & skf18("10","1","6","8","2","8","1") = "9"
    & skf18("10","1","6","8","2","9","1") = "9"
    & skf18("10","1","6","8","2","10","1") = "9"
    & skf18("10","1","6","8","3","1","1") = "9"
    & skf18("10","1","6","8","3","2","1") = "9"
    & skf18("10","1","6","8","3","3","1") = "9"
    & skf18("10","1","6","8","3","4","1") = "9"
    & skf18("10","1","6","8","3","5","1") = "9"
    & skf18("10","1","6","8","3","6","1") = "9"
    & skf18("10","1","6","8","3","7","1") = "9"
    & skf18("10","1","6","8","3","8","1") = "9"
    & skf18("10","1","6","8","3","9","1") = "9"
    & skf18("10","1","6","8","3","10","1") = "9"
    & skf18("10","1","6","8","4","1","1") = "9"
    & skf18("10","1","6","8","4","2","1") = "9"
    & skf18("10","1","6","8","4","3","1") = "9"
    & skf18("10","1","6","8","4","4","1") = "9"
    & skf18("10","1","6","8","4","5","1") = "9"
    & skf18("10","1","6","8","4","6","1") = "9"
    & skf18("10","1","6","8","4","7","1") = "9"
    & skf18("10","1","6","8","4","8","1") = "9"
    & skf18("10","1","6","8","4","9","1") = "9"
    & skf18("10","1","6","8","4","10","1") = "9"
    & skf18("10","1","6","8","5","1","1") = "9"
    & skf18("10","1","6","8","5","2","1") = "9"
    & skf18("10","1","6","8","5","3","1") = "9"
    & skf18("10","1","6","8","5","4","1") = "9"
    & skf18("10","1","6","8","5","5","1") = "9"
    & skf18("10","1","6","8","5","6","1") = "9"
    & skf18("10","1","6","8","5","7","1") = "9"
    & skf18("10","1","6","8","5","8","1") = "9"
    & skf18("10","1","6","8","5","9","1") = "9"
    & skf18("10","1","6","8","5","10","1") = "9"
    & skf18("10","1","6","8","6","1","1") = "9"
    & skf18("10","1","6","8","6","2","1") = "9"
    & skf18("10","1","6","8","6","3","1") = "9"
    & skf18("10","1","6","8","6","4","1") = "9"
    & skf18("10","1","6","8","6","5","1") = "9"
    & skf18("10","1","6","8","6","6","1") = "9"
    & skf18("10","1","6","8","6","7","1") = "9"
    & skf18("10","1","6","8","6","8","1") = "9"
    & skf18("10","1","6","8","6","9","1") = "9"
    & skf18("10","1","6","8","6","10","1") = "9"
    & skf18("10","1","6","8","7","1","1") = "9"
    & skf18("10","1","6","8","7","2","1") = "9"
    & skf18("10","1","6","8","7","3","1") = "9"
    & skf18("10","1","6","8","7","4","1") = "9"
    & skf18("10","1","6","8","7","5","1") = "9"
    & skf18("10","1","6","8","7","6","1") = "9"
    & skf18("10","1","6","8","7","7","1") = "9"
    & skf18("10","1","6","8","7","8","1") = "9"
    & skf18("10","1","6","8","7","9","1") = "9"
    & skf18("10","1","6","8","7","10","1") = "9"
    & skf18("10","1","6","8","8","1","1") = "9"
    & skf18("10","1","6","8","8","2","1") = "9"
    & skf18("10","1","6","8","8","3","1") = "9"
    & skf18("10","1","6","8","8","4","1") = "9"
    & skf18("10","1","6","8","8","5","1") = "9"
    & skf18("10","1","6","8","8","6","1") = "9"
    & skf18("10","1","6","8","8","7","1") = "9"
    & skf18("10","1","6","8","8","8","1") = "9"
    & skf18("10","1","6","8","8","9","1") = "9"
    & skf18("10","1","6","8","8","10","1") = "9"
    & skf18("10","1","6","8","9","1","1") = "9"
    & skf18("10","1","6","8","9","2","1") = "9"
    & skf18("10","1","6","8","9","3","1") = "9"
    & skf18("10","1","6","8","9","4","1") = "9"
    & skf18("10","1","6","8","9","5","1") = "9"
    & skf18("10","1","6","8","9","6","1") = "9"
    & skf18("10","1","6","8","9","7","1") = "9"
    & skf18("10","1","6","8","9","8","1") = "9"
    & skf18("10","1","6","8","9","9","1") = "9"
    & skf18("10","1","6","8","9","10","1") = "9"
    & skf18("10","1","6","8","10","1","1") = "9"
    & skf18("10","1","6","8","10","2","1") = "9"
    & skf18("10","1","6","8","10","3","1") = "9"
    & skf18("10","1","6","8","10","4","1") = "9"
    & skf18("10","1","6","8","10","5","1") = "9"
    & skf18("10","1","6","8","10","6","1") = "9"
    & skf18("10","1","6","8","10","7","1") = "9"
    & skf18("10","1","6","8","10","8","1") = "9"
    & skf18("10","1","6","8","10","9","1") = "9"
    & skf18("10","1","6","8","10","10","1") = "9"
    & skf18("10","1","6","9","1","1","1") = "9"
    & skf18("10","1","6","9","1","2","1") = "9"
    & skf18("10","1","6","9","1","3","1") = "9"
    & skf18("10","1","6","9","1","4","1") = "9"
    & skf18("10","1","6","9","1","5","1") = "9"
    & skf18("10","1","6","9","1","6","1") = "9"
    & skf18("10","1","6","9","1","7","1") = "9"
    & skf18("10","1","6","9","1","8","1") = "9"
    & skf18("10","1","6","9","1","9","1") = "9"
    & skf18("10","1","6","9","1","10","1") = "9"
    & skf18("10","1","6","9","2","1","1") = "9"
    & skf18("10","1","6","9","2","2","1") = "9"
    & skf18("10","1","6","9","2","3","1") = "9"
    & skf18("10","1","6","9","2","4","1") = "9"
    & skf18("10","1","6","9","2","5","1") = "9"
    & skf18("10","1","6","9","2","6","1") = "9"
    & skf18("10","1","6","9","2","7","1") = "9"
    & skf18("10","1","6","9","2","8","1") = "9"
    & skf18("10","1","6","9","2","9","1") = "9"
    & skf18("10","1","6","9","2","10","1") = "9"
    & skf18("10","1","6","9","3","1","1") = "9"
    & skf18("10","1","6","9","3","2","1") = "9"
    & skf18("10","1","6","9","3","3","1") = "9"
    & skf18("10","1","6","9","3","4","1") = "9"
    & skf18("10","1","6","9","3","5","1") = "9"
    & skf18("10","1","6","9","3","6","1") = "9"
    & skf18("10","1","6","9","3","7","1") = "9"
    & skf18("10","1","6","9","3","8","1") = "9"
    & skf18("10","1","6","9","3","9","1") = "9"
    & skf18("10","1","6","9","3","10","1") = "9"
    & skf18("10","1","6","9","4","1","1") = "9"
    & skf18("10","1","6","9","4","2","1") = "9"
    & skf18("10","1","6","9","4","3","1") = "9"
    & skf18("10","1","6","9","4","4","1") = "9"
    & skf18("10","1","6","9","4","5","1") = "9"
    & skf18("10","1","6","9","4","6","1") = "9"
    & skf18("10","1","6","9","4","7","1") = "9"
    & skf18("10","1","6","9","4","8","1") = "9"
    & skf18("10","1","6","9","4","9","1") = "9"
    & skf18("10","1","6","9","4","10","1") = "9"
    & skf18("10","1","6","9","5","1","1") = "9"
    & skf18("10","1","6","9","5","2","1") = "9"
    & skf18("10","1","6","9","5","3","1") = "9"
    & skf18("10","1","6","9","5","4","1") = "9"
    & skf18("10","1","6","9","5","5","1") = "9"
    & skf18("10","1","6","9","5","6","1") = "9"
    & skf18("10","1","6","9","5","7","1") = "9"
    & skf18("10","1","6","9","5","8","1") = "9"
    & skf18("10","1","6","9","5","9","1") = "9"
    & skf18("10","1","6","9","5","10","1") = "9"
    & skf18("10","1","6","9","6","1","1") = "9"
    & skf18("10","1","6","9","6","2","1") = "9"
    & skf18("10","1","6","9","6","3","1") = "9"
    & skf18("10","1","6","9","6","4","1") = "9"
    & skf18("10","1","6","9","6","5","1") = "9"
    & skf18("10","1","6","9","6","6","1") = "9"
    & skf18("10","1","6","9","6","7","1") = "9"
    & skf18("10","1","6","9","6","8","1") = "9"
    & skf18("10","1","6","9","6","9","1") = "9"
    & skf18("10","1","6","9","6","10","1") = "9"
    & skf18("10","1","6","9","7","1","1") = "9"
    & skf18("10","1","6","9","7","2","1") = "9"
    & skf18("10","1","6","9","7","3","1") = "9"
    & skf18("10","1","6","9","7","4","1") = "9"
    & skf18("10","1","6","9","7","5","1") = "9"
    & skf18("10","1","6","9","7","6","1") = "9"
    & skf18("10","1","6","9","7","7","1") = "9"
    & skf18("10","1","6","9","7","8","1") = "9"
    & skf18("10","1","6","9","7","9","1") = "9"
    & skf18("10","1","6","9","7","10","1") = "9"
    & skf18("10","1","6","9","8","1","1") = "9"
    & skf18("10","1","6","9","8","2","1") = "9"
    & skf18("10","1","6","9","8","3","1") = "9"
    & skf18("10","1","6","9","8","4","1") = "9"
    & skf18("10","1","6","9","8","5","1") = "9"
    & skf18("10","1","6","9","8","6","1") = "9"
    & skf18("10","1","6","9","8","7","1") = "9"
    & skf18("10","1","6","9","8","8","1") = "9"
    & skf18("10","1","6","9","8","9","1") = "9"
    & skf18("10","1","6","9","8","10","1") = "9"
    & skf18("10","1","6","9","9","1","1") = "9"
    & skf18("10","1","6","9","9","2","1") = "9"
    & skf18("10","1","6","9","9","3","1") = "9"
    & skf18("10","1","6","9","9","4","1") = "9"
    & skf18("10","1","6","9","9","5","1") = "9"
    & skf18("10","1","6","9","9","6","1") = "9"
    & skf18("10","1","6","9","9","7","1") = "9"
    & skf18("10","1","6","9","9","8","1") = "9"
    & skf18("10","1","6","9","9","9","1") = "9"
    & skf18("10","1","6","9","9","10","1") = "9"
    & skf18("10","1","6","9","10","1","1") = "9"
    & skf18("10","1","6","9","10","2","1") = "9"
    & skf18("10","1","6","9","10","3","1") = "9"
    & skf18("10","1","6","9","10","4","1") = "9"
    & skf18("10","1","6","9","10","5","1") = "9"
    & skf18("10","1","6","9","10","6","1") = "9"
    & skf18("10","1","6","9","10","7","1") = "9"
    & skf18("10","1","6","9","10","8","1") = "9"
    & skf18("10","1","6","9","10","9","1") = "9"
    & skf18("10","1","6","9","10","10","1") = "9"
    & skf18("10","1","6","10","1","1","1") = "9"
    & skf18("10","1","6","10","1","2","1") = "9"
    & skf18("10","1","6","10","1","3","1") = "9"
    & skf18("10","1","6","10","1","4","1") = "9"
    & skf18("10","1","6","10","1","5","1") = "9"
    & skf18("10","1","6","10","1","6","1") = "9"
    & skf18("10","1","6","10","1","7","1") = "9"
    & skf18("10","1","6","10","1","8","1") = "9"
    & skf18("10","1","6","10","1","9","1") = "9"
    & skf18("10","1","6","10","1","10","1") = "9"
    & skf18("10","1","6","10","2","1","1") = "9"
    & skf18("10","1","6","10","2","2","1") = "9"
    & skf18("10","1","6","10","2","3","1") = "9"
    & skf18("10","1","6","10","2","4","1") = "9"
    & skf18("10","1","6","10","2","5","1") = "9"
    & skf18("10","1","6","10","2","6","1") = "9"
    & skf18("10","1","6","10","2","7","1") = "9"
    & skf18("10","1","6","10","2","8","1") = "9"
    & skf18("10","1","6","10","2","9","1") = "9"
    & skf18("10","1","6","10","2","10","1") = "9"
    & skf18("10","1","6","10","3","1","1") = "9"
    & skf18("10","1","6","10","3","2","1") = "9"
    & skf18("10","1","6","10","3","3","1") = "9"
    & skf18("10","1","6","10","3","4","1") = "9"
    & skf18("10","1","6","10","3","5","1") = "9"
    & skf18("10","1","6","10","3","6","1") = "9"
    & skf18("10","1","6","10","3","7","1") = "9"
    & skf18("10","1","6","10","3","8","1") = "9"
    & skf18("10","1","6","10","3","9","1") = "9"
    & skf18("10","1","6","10","3","10","1") = "9"
    & skf18("10","1","6","10","4","1","1") = "9"
    & skf18("10","1","6","10","4","2","1") = "9"
    & skf18("10","1","6","10","4","3","1") = "9"
    & skf18("10","1","6","10","4","4","1") = "9"
    & skf18("10","1","6","10","4","5","1") = "9"
    & skf18("10","1","6","10","4","6","1") = "9"
    & skf18("10","1","6","10","4","7","1") = "9"
    & skf18("10","1","6","10","4","8","1") = "9"
    & skf18("10","1","6","10","4","9","1") = "9"
    & skf18("10","1","6","10","4","10","1") = "9"
    & skf18("10","1","6","10","5","1","1") = "9"
    & skf18("10","1","6","10","5","2","1") = "9"
    & skf18("10","1","6","10","5","3","1") = "9"
    & skf18("10","1","6","10","5","4","1") = "9"
    & skf18("10","1","6","10","5","5","1") = "9"
    & skf18("10","1","6","10","5","6","1") = "9"
    & skf18("10","1","6","10","5","7","1") = "9"
    & skf18("10","1","6","10","5","8","1") = "9"
    & skf18("10","1","6","10","5","9","1") = "9"
    & skf18("10","1","6","10","5","10","1") = "9"
    & skf18("10","1","6","10","6","1","1") = "9"
    & skf18("10","1","6","10","6","2","1") = "9"
    & skf18("10","1","6","10","6","3","1") = "9"
    & skf18("10","1","6","10","6","4","1") = "9"
    & skf18("10","1","6","10","6","5","1") = "9"
    & skf18("10","1","6","10","6","6","1") = "9"
    & skf18("10","1","6","10","6","7","1") = "9"
    & skf18("10","1","6","10","6","8","1") = "9"
    & skf18("10","1","6","10","6","9","1") = "9"
    & skf18("10","1","6","10","6","10","1") = "9"
    & skf18("10","1","6","10","7","1","1") = "9"
    & skf18("10","1","6","10","7","2","1") = "9"
    & skf18("10","1","6","10","7","3","1") = "9"
    & skf18("10","1","6","10","7","4","1") = "9"
    & skf18("10","1","6","10","7","5","1") = "9"
    & skf18("10","1","6","10","7","6","1") = "9"
    & skf18("10","1","6","10","7","7","1") = "9"
    & skf18("10","1","6","10","7","8","1") = "9"
    & skf18("10","1","6","10","7","9","1") = "9"
    & skf18("10","1","6","10","7","10","1") = "9"
    & skf18("10","1","6","10","8","1","1") = "9"
    & skf18("10","1","6","10","8","2","1") = "9"
    & skf18("10","1","6","10","8","3","1") = "9"
    & skf18("10","1","6","10","8","4","1") = "9"
    & skf18("10","1","6","10","8","5","1") = "9"
    & skf18("10","1","6","10","8","6","1") = "9"
    & skf18("10","1","6","10","8","7","1") = "9"
    & skf18("10","1","6","10","8","8","1") = "9"
    & skf18("10","1","6","10","8","9","1") = "9"
    & skf18("10","1","6","10","8","10","1") = "9"
    & skf18("10","1","6","10","9","1","1") = "9"
    & skf18("10","1","6","10","9","2","1") = "9"
    & skf18("10","1","6","10","9","3","1") = "9"
    & skf18("10","1","6","10","9","4","1") = "9"
    & skf18("10","1","6","10","9","5","1") = "9"
    & skf18("10","1","6","10","9","6","1") = "9"
    & skf18("10","1","6","10","9","7","1") = "9"
    & skf18("10","1","6","10","9","8","1") = "9"
    & skf18("10","1","6","10","9","9","1") = "9"
    & skf18("10","1","6","10","9","10","1") = "9"
    & skf18("10","1","6","10","10","1","1") = "9"
    & skf18("10","1","6","10","10","2","1") = "9"
    & skf18("10","1","6","10","10","3","1") = "9"
    & skf18("10","1","6","10","10","4","1") = "9"
    & skf18("10","1","6","10","10","5","1") = "9"
    & skf18("10","1","6","10","10","6","1") = "9"
    & skf18("10","1","6","10","10","7","1") = "9"
    & skf18("10","1","6","10","10","8","1") = "9"
    & skf18("10","1","6","10","10","9","1") = "9"
    & skf18("10","1","6","10","10","10","1") = "9"
    & skf18("10","1","7","1","1","1","1") = "9"
    & skf18("10","1","7","1","1","2","1") = "9"
    & skf18("10","1","7","1","1","3","1") = "9"
    & skf18("10","1","7","1","1","4","1") = "9"
    & skf18("10","1","7","1","1","5","1") = "9"
    & skf18("10","1","7","1","1","6","1") = "9"
    & skf18("10","1","7","1","1","7","1") = "9"
    & skf18("10","1","7","1","1","8","1") = "9"
    & skf18("10","1","7","1","1","9","1") = "9"
    & skf18("10","1","7","1","1","10","1") = "9"
    & skf18("10","1","7","1","2","1","1") = "9"
    & skf18("10","1","7","1","2","2","1") = "9"
    & skf18("10","1","7","1","2","3","1") = "9"
    & skf18("10","1","7","1","2","4","1") = "9"
    & skf18("10","1","7","1","2","5","1") = "9"
    & skf18("10","1","7","1","2","6","1") = "9"
    & skf18("10","1","7","1","2","7","1") = "9"
    & skf18("10","1","7","1","2","8","1") = "9"
    & skf18("10","1","7","1","2","9","1") = "9"
    & skf18("10","1","7","1","2","10","1") = "9"
    & skf18("10","1","7","1","3","1","1") = "9"
    & skf18("10","1","7","1","3","2","1") = "9"
    & skf18("10","1","7","1","3","3","1") = "9"
    & skf18("10","1","7","1","3","4","1") = "9"
    & skf18("10","1","7","1","3","5","1") = "9"
    & skf18("10","1","7","1","3","6","1") = "9"
    & skf18("10","1","7","1","3","7","1") = "9"
    & skf18("10","1","7","1","3","8","1") = "9"
    & skf18("10","1","7","1","3","9","1") = "9"
    & skf18("10","1","7","1","3","10","1") = "9"
    & skf18("10","1","7","1","4","1","1") = "9"
    & skf18("10","1","7","1","4","2","1") = "9"
    & skf18("10","1","7","1","4","3","1") = "9"
    & skf18("10","1","7","1","4","4","1") = "9"
    & skf18("10","1","7","1","4","5","1") = "9"
    & skf18("10","1","7","1","4","6","1") = "9"
    & skf18("10","1","7","1","4","7","1") = "9"
    & skf18("10","1","7","1","4","8","1") = "9"
    & skf18("10","1","7","1","4","9","1") = "9"
    & skf18("10","1","7","1","4","10","1") = "9"
    & skf18("10","1","7","1","5","1","1") = "9"
    & skf18("10","1","7","1","5","2","1") = "9"
    & skf18("10","1","7","1","5","3","1") = "9"
    & skf18("10","1","7","1","5","4","1") = "9"
    & skf18("10","1","7","1","5","5","1") = "9"
    & skf18("10","1","7","1","5","6","1") = "9"
    & skf18("10","1","7","1","5","7","1") = "9"
    & skf18("10","1","7","1","5","8","1") = "9"
    & skf18("10","1","7","1","5","9","1") = "9"
    & skf18("10","1","7","1","5","10","1") = "9"
    & skf18("10","1","7","1","6","1","1") = "9"
    & skf18("10","1","7","1","6","2","1") = "9"
    & skf18("10","1","7","1","6","3","1") = "9"
    & skf18("10","1","7","1","6","4","1") = "9"
    & skf18("10","1","7","1","6","5","1") = "9"
    & skf18("10","1","7","1","6","6","1") = "9"
    & skf18("10","1","7","1","6","7","1") = "9"
    & skf18("10","1","7","1","6","8","1") = "9"
    & skf18("10","1","7","1","6","9","1") = "9"
    & skf18("10","1","7","1","6","10","1") = "9"
    & skf18("10","1","7","1","7","1","1") = "9"
    & skf18("10","1","7","1","7","2","1") = "9"
    & skf18("10","1","7","1","7","3","1") = "9"
    & skf18("10","1","7","1","7","4","1") = "9"
    & skf18("10","1","7","1","7","5","1") = "9"
    & skf18("10","1","7","1","7","6","1") = "9"
    & skf18("10","1","7","1","7","7","1") = "9"
    & skf18("10","1","7","1","7","8","1") = "9"
    & skf18("10","1","7","1","7","9","1") = "9"
    & skf18("10","1","7","1","7","10","1") = "9"
    & skf18("10","1","7","1","8","1","1") = "9"
    & skf18("10","1","7","1","8","2","1") = "9"
    & skf18("10","1","7","1","8","3","1") = "9"
    & skf18("10","1","7","1","8","4","1") = "9"
    & skf18("10","1","7","1","8","5","1") = "9"
    & skf18("10","1","7","1","8","6","1") = "9"
    & skf18("10","1","7","1","8","7","1") = "9"
    & skf18("10","1","7","1","8","8","1") = "9"
    & skf18("10","1","7","1","8","9","1") = "9"
    & skf18("10","1","7","1","8","10","1") = "9"
    & skf18("10","1","7","1","9","1","1") = "9"
    & skf18("10","1","7","1","9","2","1") = "9"
    & skf18("10","1","7","1","9","3","1") = "9"
    & skf18("10","1","7","1","9","4","1") = "9"
    & skf18("10","1","7","1","9","5","1") = "9"
    & skf18("10","1","7","1","9","6","1") = "9"
    & skf18("10","1","7","1","9","7","1") = "9"
    & skf18("10","1","7","1","9","8","1") = "9"
    & skf18("10","1","7","1","9","9","1") = "9"
    & skf18("10","1","7","1","9","10","1") = "9"
    & skf18("10","1","7","1","10","1","1") = "9"
    & skf18("10","1","7","1","10","2","1") = "9"
    & skf18("10","1","7","1","10","3","1") = "9"
    & skf18("10","1","7","1","10","4","1") = "9"
    & skf18("10","1","7","1","10","5","1") = "9"
    & skf18("10","1","7","1","10","6","1") = "9"
    & skf18("10","1","7","1","10","7","1") = "9"
    & skf18("10","1","7","1","10","8","1") = "9"
    & skf18("10","1","7","1","10","9","1") = "9"
    & skf18("10","1","7","1","10","10","1") = "9"
    & skf18("10","1","7","2","1","1","1") = "9"
    & skf18("10","1","7","2","1","2","1") = "9"
    & skf18("10","1","7","2","1","3","1") = "9"
    & skf18("10","1","7","2","1","4","1") = "9"
    & skf18("10","1","7","2","1","5","1") = "9"
    & skf18("10","1","7","2","1","6","1") = "9"
    & skf18("10","1","7","2","1","7","1") = "9"
    & skf18("10","1","7","2","1","8","1") = "9"
    & skf18("10","1","7","2","1","9","1") = "9"
    & skf18("10","1","7","2","1","10","1") = "9"
    & skf18("10","1","7","2","2","1","1") = "9"
    & skf18("10","1","7","2","2","2","1") = "9"
    & skf18("10","1","7","2","2","3","1") = "9"
    & skf18("10","1","7","2","2","4","1") = "9"
    & skf18("10","1","7","2","2","5","1") = "9"
    & skf18("10","1","7","2","2","6","1") = "9"
    & skf18("10","1","7","2","2","7","1") = "9"
    & skf18("10","1","7","2","2","8","1") = "9"
    & skf18("10","1","7","2","2","9","1") = "9"
    & skf18("10","1","7","2","2","10","1") = "9"
    & skf18("10","1","7","2","3","1","1") = "9"
    & skf18("10","1","7","2","3","2","1") = "9"
    & skf18("10","1","7","2","3","3","1") = "9"
    & skf18("10","1","7","2","3","4","1") = "9"
    & skf18("10","1","7","2","3","5","1") = "9"
    & skf18("10","1","7","2","3","6","1") = "9"
    & skf18("10","1","7","2","3","7","1") = "9"
    & skf18("10","1","7","2","3","8","1") = "9"
    & skf18("10","1","7","2","3","9","1") = "9"
    & skf18("10","1","7","2","3","10","1") = "9"
    & skf18("10","1","7","2","4","1","1") = "9"
    & skf18("10","1","7","2","4","2","1") = "9"
    & skf18("10","1","7","2","4","3","1") = "9"
    & skf18("10","1","7","2","4","4","1") = "9"
    & skf18("10","1","7","2","4","5","1") = "9"
    & skf18("10","1","7","2","4","6","1") = "9"
    & skf18("10","1","7","2","4","7","1") = "9"
    & skf18("10","1","7","2","4","8","1") = "9"
    & skf18("10","1","7","2","4","9","1") = "9"
    & skf18("10","1","7","2","4","10","1") = "9"
    & skf18("10","1","7","2","5","1","1") = "9"
    & skf18("10","1","7","2","5","2","1") = "9"
    & skf18("10","1","7","2","5","3","1") = "9"
    & skf18("10","1","7","2","5","4","1") = "9"
    & skf18("10","1","7","2","5","5","1") = "9"
    & skf18("10","1","7","2","5","6","1") = "9"
    & skf18("10","1","7","2","5","7","1") = "9"
    & skf18("10","1","7","2","5","8","1") = "9"
    & skf18("10","1","7","2","5","9","1") = "9"
    & skf18("10","1","7","2","5","10","1") = "9"
    & skf18("10","1","7","2","6","1","1") = "9"
    & skf18("10","1","7","2","6","2","1") = "9"
    & skf18("10","1","7","2","6","3","1") = "9"
    & skf18("10","1","7","2","6","4","1") = "9"
    & skf18("10","1","7","2","6","5","1") = "9"
    & skf18("10","1","7","2","6","6","1") = "9"
    & skf18("10","1","7","2","6","7","1") = "9"
    & skf18("10","1","7","2","6","8","1") = "9"
    & skf18("10","1","7","2","6","9","1") = "9"
    & skf18("10","1","7","2","6","10","1") = "9"
    & skf18("10","1","7","2","7","1","1") = "9"
    & skf18("10","1","7","2","7","2","1") = "9"
    & skf18("10","1","7","2","7","3","1") = "9"
    & skf18("10","1","7","2","7","4","1") = "9"
    & skf18("10","1","7","2","7","5","1") = "9"
    & skf18("10","1","7","2","7","6","1") = "9"
    & skf18("10","1","7","2","7","7","1") = "9"
    & skf18("10","1","7","2","7","8","1") = "9"
    & skf18("10","1","7","2","7","9","1") = "9"
    & skf18("10","1","7","2","7","10","1") = "9"
    & skf18("10","1","7","2","8","1","1") = "9"
    & skf18("10","1","7","2","8","2","1") = "9"
    & skf18("10","1","7","2","8","3","1") = "9"
    & skf18("10","1","7","2","8","4","1") = "9"
    & skf18("10","1","7","2","8","5","1") = "9"
    & skf18("10","1","7","2","8","6","1") = "9"
    & skf18("10","1","7","2","8","7","1") = "9"
    & skf18("10","1","7","2","8","8","1") = "9"
    & skf18("10","1","7","2","8","9","1") = "9"
    & skf18("10","1","7","2","8","10","1") = "9"
    & skf18("10","1","7","2","9","1","1") = "9"
    & skf18("10","1","7","2","9","2","1") = "9"
    & skf18("10","1","7","2","9","3","1") = "9"
    & skf18("10","1","7","2","9","4","1") = "9"
    & skf18("10","1","7","2","9","5","1") = "9"
    & skf18("10","1","7","2","9","6","1") = "9"
    & skf18("10","1","7","2","9","7","1") = "9"
    & skf18("10","1","7","2","9","8","1") = "9"
    & skf18("10","1","7","2","9","9","1") = "9"
    & skf18("10","1","7","2","9","10","1") = "9"
    & skf18("10","1","7","2","10","1","1") = "9"
    & skf18("10","1","7","2","10","2","1") = "9"
    & skf18("10","1","7","2","10","3","1") = "9"
    & skf18("10","1","7","2","10","4","1") = "9"
    & skf18("10","1","7","2","10","5","1") = "9"
    & skf18("10","1","7","2","10","6","1") = "9"
    & skf18("10","1","7","2","10","7","1") = "9"
    & skf18("10","1","7","2","10","8","1") = "9"
    & skf18("10","1","7","2","10","9","1") = "9"
    & skf18("10","1","7","2","10","10","1") = "9"
    & skf18("10","1","7","3","1","1","1") = "9"
    & skf18("10","1","7","3","1","2","1") = "9"
    & skf18("10","1","7","3","1","3","1") = "9"
    & skf18("10","1","7","3","1","4","1") = "9"
    & skf18("10","1","7","3","1","5","1") = "9"
    & skf18("10","1","7","3","1","6","1") = "9"
    & skf18("10","1","7","3","1","7","1") = "9"
    & skf18("10","1","7","3","1","8","1") = "9"
    & skf18("10","1","7","3","1","9","1") = "9"
    & skf18("10","1","7","3","1","10","1") = "9"
    & skf18("10","1","7","3","2","1","1") = "9"
    & skf18("10","1","7","3","2","2","1") = "9"
    & skf18("10","1","7","3","2","3","1") = "9"
    & skf18("10","1","7","3","2","4","1") = "9"
    & skf18("10","1","7","3","2","5","1") = "9"
    & skf18("10","1","7","3","2","6","1") = "9"
    & skf18("10","1","7","3","2","7","1") = "9"
    & skf18("10","1","7","3","2","8","1") = "9"
    & skf18("10","1","7","3","2","9","1") = "9"
    & skf18("10","1","7","3","2","10","1") = "9"
    & skf18("10","1","7","3","3","1","1") = "9"
    & skf18("10","1","7","3","3","2","1") = "9"
    & skf18("10","1","7","3","3","3","1") = "9"
    & skf18("10","1","7","3","3","4","1") = "9"
    & skf18("10","1","7","3","3","5","1") = "9"
    & skf18("10","1","7","3","3","6","1") = "9"
    & skf18("10","1","7","3","3","7","1") = "9"
    & skf18("10","1","7","3","3","8","1") = "9"
    & skf18("10","1","7","3","3","9","1") = "9"
    & skf18("10","1","7","3","3","10","1") = "9"
    & skf18("10","1","7","3","4","1","1") = "9"
    & skf18("10","1","7","3","4","2","1") = "9"
    & skf18("10","1","7","3","4","3","1") = "9"
    & skf18("10","1","7","3","4","4","1") = "9"
    & skf18("10","1","7","3","4","5","1") = "9"
    & skf18("10","1","7","3","4","6","1") = "9"
    & skf18("10","1","7","3","4","7","1") = "9"
    & skf18("10","1","7","3","4","8","1") = "9"
    & skf18("10","1","7","3","4","9","1") = "9"
    & skf18("10","1","7","3","4","10","1") = "9"
    & skf18("10","1","7","3","5","1","1") = "9"
    & skf18("10","1","7","3","5","2","1") = "9"
    & skf18("10","1","7","3","5","3","1") = "9"
    & skf18("10","1","7","3","5","4","1") = "9"
    & skf18("10","1","7","3","5","5","1") = "9"
    & skf18("10","1","7","3","5","6","1") = "9"
    & skf18("10","1","7","3","5","7","1") = "9"
    & skf18("10","1","7","3","5","8","1") = "9"
    & skf18("10","1","7","3","5","9","1") = "9"
    & skf18("10","1","7","3","5","10","1") = "9"
    & skf18("10","1","7","3","6","1","1") = "9"
    & skf18("10","1","7","3","6","2","1") = "9"
    & skf18("10","1","7","3","6","3","1") = "9"
    & skf18("10","1","7","3","6","4","1") = "9"
    & skf18("10","1","7","3","6","5","1") = "9"
    & skf18("10","1","7","3","6","6","1") = "9"
    & skf18("10","1","7","3","6","7","1") = "9"
    & skf18("10","1","7","3","6","8","1") = "9"
    & skf18("10","1","7","3","6","9","1") = "9"
    & skf18("10","1","7","3","6","10","1") = "9"
    & skf18("10","1","7","3","7","1","1") = "9"
    & skf18("10","1","7","3","7","2","1") = "9"
    & skf18("10","1","7","3","7","3","1") = "9"
    & skf18("10","1","7","3","7","4","1") = "9"
    & skf18("10","1","7","3","7","5","1") = "9"
    & skf18("10","1","7","3","7","6","1") = "9"
    & skf18("10","1","7","3","7","7","1") = "9"
    & skf18("10","1","7","3","7","8","1") = "9"
    & skf18("10","1","7","3","7","9","1") = "9"
    & skf18("10","1","7","3","7","10","1") = "9"
    & skf18("10","1","7","3","8","1","1") = "9"
    & skf18("10","1","7","3","8","2","1") = "9"
    & skf18("10","1","7","3","8","3","1") = "9"
    & skf18("10","1","7","3","8","4","1") = "9"
    & skf18("10","1","7","3","8","5","1") = "9"
    & skf18("10","1","7","3","8","6","1") = "9"
    & skf18("10","1","7","3","8","7","1") = "9"
    & skf18("10","1","7","3","8","8","1") = "9"
    & skf18("10","1","7","3","8","9","1") = "9"
    & skf18("10","1","7","3","8","10","1") = "9"
    & skf18("10","1","7","3","9","1","1") = "9"
    & skf18("10","1","7","3","9","2","1") = "9"
    & skf18("10","1","7","3","9","3","1") = "9"
    & skf18("10","1","7","3","9","4","1") = "9"
    & skf18("10","1","7","3","9","5","1") = "9"
    & skf18("10","1","7","3","9","6","1") = "9"
    & skf18("10","1","7","3","9","7","1") = "9"
    & skf18("10","1","7","3","9","8","1") = "9"
    & skf18("10","1","7","3","9","9","1") = "9"
    & skf18("10","1","7","3","9","10","1") = "9"
    & skf18("10","1","7","3","10","1","1") = "9"
    & skf18("10","1","7","3","10","2","1") = "9"
    & skf18("10","1","7","3","10","3","1") = "9"
    & skf18("10","1","7","3","10","4","1") = "9"
    & skf18("10","1","7","3","10","5","1") = "9"
    & skf18("10","1","7","3","10","6","1") = "9"
    & skf18("10","1","7","3","10","7","1") = "9"
    & skf18("10","1","7","3","10","8","1") = "9"
    & skf18("10","1","7","3","10","9","1") = "9"
    & skf18("10","1","7","3","10","10","1") = "9"
    & skf18("10","1","7","4","1","1","1") = "9"
    & skf18("10","1","7","4","1","2","1") = "9"
    & skf18("10","1","7","4","1","3","1") = "9"
    & skf18("10","1","7","4","1","4","1") = "9"
    & skf18("10","1","7","4","1","5","1") = "9"
    & skf18("10","1","7","4","1","6","1") = "9"
    & skf18("10","1","7","4","1","7","1") = "9"
    & skf18("10","1","7","4","1","8","1") = "9"
    & skf18("10","1","7","4","1","9","1") = "9"
    & skf18("10","1","7","4","1","10","1") = "9"
    & skf18("10","1","7","4","2","1","1") = "9"
    & skf18("10","1","7","4","2","2","1") = "9"
    & skf18("10","1","7","4","2","3","1") = "9"
    & skf18("10","1","7","4","2","4","1") = "9"
    & skf18("10","1","7","4","2","5","1") = "9"
    & skf18("10","1","7","4","2","6","1") = "9"
    & skf18("10","1","7","4","2","7","1") = "9"
    & skf18("10","1","7","4","2","8","1") = "9"
    & skf18("10","1","7","4","2","9","1") = "9"
    & skf18("10","1","7","4","2","10","1") = "9"
    & skf18("10","1","7","4","3","1","1") = "9"
    & skf18("10","1","7","4","3","2","1") = "9"
    & skf18("10","1","7","4","3","3","1") = "9"
    & skf18("10","1","7","4","3","4","1") = "9"
    & skf18("10","1","7","4","3","5","1") = "9"
    & skf18("10","1","7","4","3","6","1") = "9"
    & skf18("10","1","7","4","3","7","1") = "9"
    & skf18("10","1","7","4","3","8","1") = "9"
    & skf18("10","1","7","4","3","9","1") = "9"
    & skf18("10","1","7","4","3","10","1") = "9"
    & skf18("10","1","7","4","4","1","1") = "9"
    & skf18("10","1","7","4","4","2","1") = "9"
    & skf18("10","1","7","4","4","3","1") = "9"
    & skf18("10","1","7","4","4","4","1") = "9"
    & skf18("10","1","7","4","4","5","1") = "9"
    & skf18("10","1","7","4","4","6","1") = "9"
    & skf18("10","1","7","4","4","7","1") = "9"
    & skf18("10","1","7","4","4","8","1") = "9"
    & skf18("10","1","7","4","4","9","1") = "9"
    & skf18("10","1","7","4","4","10","1") = "9"
    & skf18("10","1","7","4","5","1","1") = "9"
    & skf18("10","1","7","4","5","2","1") = "9"
    & skf18("10","1","7","4","5","3","1") = "9"
    & skf18("10","1","7","4","5","4","1") = "9"
    & skf18("10","1","7","4","5","5","1") = "9"
    & skf18("10","1","7","4","5","6","1") = "9"
    & skf18("10","1","7","4","5","7","1") = "9"
    & skf18("10","1","7","4","5","8","1") = "9"
    & skf18("10","1","7","4","5","9","1") = "9"
    & skf18("10","1","7","4","5","10","1") = "9"
    & skf18("10","1","7","4","6","1","1") = "9"
    & skf18("10","1","7","4","6","2","1") = "9"
    & skf18("10","1","7","4","6","3","1") = "9"
    & skf18("10","1","7","4","6","4","1") = "9"
    & skf18("10","1","7","4","6","5","1") = "9"
    & skf18("10","1","7","4","6","6","1") = "9"
    & skf18("10","1","7","4","6","7","1") = "9"
    & skf18("10","1","7","4","6","8","1") = "9"
    & skf18("10","1","7","4","6","9","1") = "9"
    & skf18("10","1","7","4","6","10","1") = "9"
    & skf18("10","1","7","4","7","1","1") = "9"
    & skf18("10","1","7","4","7","2","1") = "9"
    & skf18("10","1","7","4","7","3","1") = "9"
    & skf18("10","1","7","4","7","4","1") = "9"
    & skf18("10","1","7","4","7","5","1") = "9"
    & skf18("10","1","7","4","7","6","1") = "9"
    & skf18("10","1","7","4","7","7","1") = "9"
    & skf18("10","1","7","4","7","8","1") = "9"
    & skf18("10","1","7","4","7","9","1") = "9"
    & skf18("10","1","7","4","7","10","1") = "9"
    & skf18("10","1","7","4","8","1","1") = "9"
    & skf18("10","1","7","4","8","2","1") = "9"
    & skf18("10","1","7","4","8","3","1") = "9"
    & skf18("10","1","7","4","8","4","1") = "9"
    & skf18("10","1","7","4","8","5","1") = "9"
    & skf18("10","1","7","4","8","6","1") = "9"
    & skf18("10","1","7","4","8","7","1") = "9"
    & skf18("10","1","7","4","8","8","1") = "9"
    & skf18("10","1","7","4","8","9","1") = "9"
    & skf18("10","1","7","4","8","10","1") = "9"
    & skf18("10","1","7","4","9","1","1") = "9"
    & skf18("10","1","7","4","9","2","1") = "9"
    & skf18("10","1","7","4","9","3","1") = "9"
    & skf18("10","1","7","4","9","4","1") = "9"
    & skf18("10","1","7","4","9","5","1") = "9"
    & skf18("10","1","7","4","9","6","1") = "9"
    & skf18("10","1","7","4","9","7","1") = "9"
    & skf18("10","1","7","4","9","8","1") = "9"
    & skf18("10","1","7","4","9","9","1") = "9"
    & skf18("10","1","7","4","9","10","1") = "9"
    & skf18("10","1","7","4","10","1","1") = "9"
    & skf18("10","1","7","4","10","2","1") = "9"
    & skf18("10","1","7","4","10","3","1") = "9"
    & skf18("10","1","7","4","10","4","1") = "9"
    & skf18("10","1","7","4","10","5","1") = "9"
    & skf18("10","1","7","4","10","6","1") = "9"
    & skf18("10","1","7","4","10","7","1") = "9"
    & skf18("10","1","7","4","10","8","1") = "9"
    & skf18("10","1","7","4","10","9","1") = "9"
    & skf18("10","1","7","4","10","10","1") = "9"
    & skf18("10","1","7","5","1","1","1") = "9"
    & skf18("10","1","7","5","1","2","1") = "9"
    & skf18("10","1","7","5","1","3","1") = "9"
    & skf18("10","1","7","5","1","4","1") = "9"
    & skf18("10","1","7","5","1","5","1") = "9"
    & skf18("10","1","7","5","1","6","1") = "9"
    & skf18("10","1","7","5","1","7","1") = "9"
    & skf18("10","1","7","5","1","8","1") = "9"
    & skf18("10","1","7","5","1","9","1") = "9"
    & skf18("10","1","7","5","1","10","1") = "9"
    & skf18("10","1","7","5","2","1","1") = "9"
    & skf18("10","1","7","5","2","2","1") = "9"
    & skf18("10","1","7","5","2","3","1") = "9"
    & skf18("10","1","7","5","2","4","1") = "9"
    & skf18("10","1","7","5","2","5","1") = "9"
    & skf18("10","1","7","5","2","6","1") = "9"
    & skf18("10","1","7","5","2","7","1") = "9"
    & skf18("10","1","7","5","2","8","1") = "9"
    & skf18("10","1","7","5","2","9","1") = "9"
    & skf18("10","1","7","5","2","10","1") = "9"
    & skf18("10","1","7","5","3","1","1") = "9"
    & skf18("10","1","7","5","3","2","1") = "9"
    & skf18("10","1","7","5","3","3","1") = "9"
    & skf18("10","1","7","5","3","4","1") = "9"
    & skf18("10","1","7","5","3","5","1") = "9"
    & skf18("10","1","7","5","3","6","1") = "9"
    & skf18("10","1","7","5","3","7","1") = "9"
    & skf18("10","1","7","5","3","8","1") = "9"
    & skf18("10","1","7","5","3","9","1") = "9"
    & skf18("10","1","7","5","3","10","1") = "9"
    & skf18("10","1","7","5","4","1","1") = "9"
    & skf18("10","1","7","5","4","2","1") = "9"
    & skf18("10","1","7","5","4","3","1") = "9"
    & skf18("10","1","7","5","4","4","1") = "9"
    & skf18("10","1","7","5","4","5","1") = "9"
    & skf18("10","1","7","5","4","6","1") = "9"
    & skf18("10","1","7","5","4","7","1") = "9"
    & skf18("10","1","7","5","4","8","1") = "9"
    & skf18("10","1","7","5","4","9","1") = "9"
    & skf18("10","1","7","5","4","10","1") = "9"
    & skf18("10","1","7","5","5","1","1") = "9"
    & skf18("10","1","7","5","5","2","1") = "9"
    & skf18("10","1","7","5","5","3","1") = "9"
    & skf18("10","1","7","5","5","4","1") = "9"
    & skf18("10","1","7","5","5","5","1") = "9"
    & skf18("10","1","7","5","5","6","1") = "9"
    & skf18("10","1","7","5","5","7","1") = "9"
    & skf18("10","1","7","5","5","8","1") = "9"
    & skf18("10","1","7","5","5","9","1") = "9"
    & skf18("10","1","7","5","5","10","1") = "9"
    & skf18("10","1","7","5","6","1","1") = "9"
    & skf18("10","1","7","5","6","2","1") = "9"
    & skf18("10","1","7","5","6","3","1") = "9"
    & skf18("10","1","7","5","6","4","1") = "9"
    & skf18("10","1","7","5","6","5","1") = "9"
    & skf18("10","1","7","5","6","6","1") = "9"
    & skf18("10","1","7","5","6","7","1") = "9"
    & skf18("10","1","7","5","6","8","1") = "9"
    & skf18("10","1","7","5","6","9","1") = "9"
    & skf18("10","1","7","5","6","10","1") = "9"
    & skf18("10","1","7","5","7","1","1") = "9"
    & skf18("10","1","7","5","7","2","1") = "9"
    & skf18("10","1","7","5","7","3","1") = "9"
    & skf18("10","1","7","5","7","4","1") = "9"
    & skf18("10","1","7","5","7","5","1") = "9"
    & skf18("10","1","7","5","7","6","1") = "9"
    & skf18("10","1","7","5","7","7","1") = "9"
    & skf18("10","1","7","5","7","8","1") = "9"
    & skf18("10","1","7","5","7","9","1") = "9"
    & skf18("10","1","7","5","7","10","1") = "9"
    & skf18("10","1","7","5","8","1","1") = "9"
    & skf18("10","1","7","5","8","2","1") = "9"
    & skf18("10","1","7","5","8","3","1") = "9"
    & skf18("10","1","7","5","8","4","1") = "9"
    & skf18("10","1","7","5","8","5","1") = "9"
    & skf18("10","1","7","5","8","6","1") = "9"
    & skf18("10","1","7","5","8","7","1") = "9"
    & skf18("10","1","7","5","8","8","1") = "9"
    & skf18("10","1","7","5","8","9","1") = "9"
    & skf18("10","1","7","5","8","10","1") = "9"
    & skf18("10","1","7","5","9","1","1") = "9"
    & skf18("10","1","7","5","9","2","1") = "9"
    & skf18("10","1","7","5","9","3","1") = "9"
    & skf18("10","1","7","5","9","4","1") = "9"
    & skf18("10","1","7","5","9","5","1") = "9"
    & skf18("10","1","7","5","9","6","1") = "9"
    & skf18("10","1","7","5","9","7","1") = "9"
    & skf18("10","1","7","5","9","8","1") = "9"
    & skf18("10","1","7","5","9","9","1") = "9"
    & skf18("10","1","7","5","9","10","1") = "9"
    & skf18("10","1","7","5","10","1","1") = "9"
    & skf18("10","1","7","5","10","2","1") = "9"
    & skf18("10","1","7","5","10","3","1") = "9"
    & skf18("10","1","7","5","10","4","1") = "9"
    & skf18("10","1","7","5","10","5","1") = "9"
    & skf18("10","1","7","5","10","6","1") = "9"
    & skf18("10","1","7","5","10","7","1") = "9"
    & skf18("10","1","7","5","10","8","1") = "9"
    & skf18("10","1","7","5","10","9","1") = "9"
    & skf18("10","1","7","5","10","10","1") = "9"
    & skf18("10","1","7","6","1","1","1") = "9"
    & skf18("10","1","7","6","1","2","1") = "9"
    & skf18("10","1","7","6","1","3","1") = "9"
    & skf18("10","1","7","6","1","4","1") = "9"
    & skf18("10","1","7","6","1","5","1") = "9"
    & skf18("10","1","7","6","1","6","1") = "9"
    & skf18("10","1","7","6","1","7","1") = "9"
    & skf18("10","1","7","6","1","8","1") = "9"
    & skf18("10","1","7","6","1","9","1") = "9"
    & skf18("10","1","7","6","1","10","1") = "9"
    & skf18("10","1","7","6","2","1","1") = "9"
    & skf18("10","1","7","6","2","2","1") = "9"
    & skf18("10","1","7","6","2","3","1") = "9"
    & skf18("10","1","7","6","2","4","1") = "9"
    & skf18("10","1","7","6","2","5","1") = "9"
    & skf18("10","1","7","6","2","6","1") = "9"
    & skf18("10","1","7","6","2","7","1") = "9"
    & skf18("10","1","7","6","2","8","1") = "9"
    & skf18("10","1","7","6","2","9","1") = "9"
    & skf18("10","1","7","6","2","10","1") = "9"
    & skf18("10","1","7","6","3","1","1") = "9"
    & skf18("10","1","7","6","3","2","1") = "9"
    & skf18("10","1","7","6","3","3","1") = "9"
    & skf18("10","1","7","6","3","4","1") = "9"
    & skf18("10","1","7","6","3","5","1") = "9"
    & skf18("10","1","7","6","3","6","1") = "9"
    & skf18("10","1","7","6","3","7","1") = "9"
    & skf18("10","1","7","6","3","8","1") = "9"
    & skf18("10","1","7","6","3","9","1") = "9"
    & skf18("10","1","7","6","3","10","1") = "9"
    & skf18("10","1","7","6","4","1","1") = "9"
    & skf18("10","1","7","6","4","2","1") = "9"
    & skf18("10","1","7","6","4","3","1") = "9"
    & skf18("10","1","7","6","4","4","1") = "9"
    & skf18("10","1","7","6","4","5","1") = "9"
    & skf18("10","1","7","6","4","6","1") = "9"
    & skf18("10","1","7","6","4","7","1") = "9"
    & skf18("10","1","7","6","4","8","1") = "9"
    & skf18("10","1","7","6","4","9","1") = "9"
    & skf18("10","1","7","6","4","10","1") = "9"
    & skf18("10","1","7","6","5","1","1") = "9"
    & skf18("10","1","7","6","5","2","1") = "9"
    & skf18("10","1","7","6","5","3","1") = "9"
    & skf18("10","1","7","6","5","4","1") = "9"
    & skf18("10","1","7","6","5","5","1") = "9"
    & skf18("10","1","7","6","5","6","1") = "9"
    & skf18("10","1","7","6","5","7","1") = "9"
    & skf18("10","1","7","6","5","8","1") = "9"
    & skf18("10","1","7","6","5","9","1") = "9"
    & skf18("10","1","7","6","5","10","1") = "9"
    & skf18("10","1","7","6","6","1","1") = "9"
    & skf18("10","1","7","6","6","2","1") = "9"
    & skf18("10","1","7","6","6","3","1") = "9"
    & skf18("10","1","7","6","6","4","1") = "9"
    & skf18("10","1","7","6","6","5","1") = "9"
    & skf18("10","1","7","6","6","6","1") = "9"
    & skf18("10","1","7","6","6","7","1") = "9"
    & skf18("10","1","7","6","6","8","1") = "9"
    & skf18("10","1","7","6","6","9","1") = "9"
    & skf18("10","1","7","6","6","10","1") = "9"
    & skf18("10","1","7","6","7","1","1") = "9"
    & skf18("10","1","7","6","7","2","1") = "9"
    & skf18("10","1","7","6","7","3","1") = "9"
    & skf18("10","1","7","6","7","4","1") = "9"
    & skf18("10","1","7","6","7","5","1") = "9"
    & skf18("10","1","7","6","7","6","1") = "9"
    & skf18("10","1","7","6","7","7","1") = "9"
    & skf18("10","1","7","6","7","8","1") = "9"
    & skf18("10","1","7","6","7","9","1") = "9"
    & skf18("10","1","7","6","7","10","1") = "9"
    & skf18("10","1","7","6","8","1","1") = "9"
    & skf18("10","1","7","6","8","2","1") = "9"
    & skf18("10","1","7","6","8","3","1") = "9"
    & skf18("10","1","7","6","8","4","1") = "9"
    & skf18("10","1","7","6","8","5","1") = "9"
    & skf18("10","1","7","6","8","6","1") = "9"
    & skf18("10","1","7","6","8","7","1") = "9"
    & skf18("10","1","7","6","8","8","1") = "9"
    & skf18("10","1","7","6","8","9","1") = "9"
    & skf18("10","1","7","6","8","10","1") = "9"
    & skf18("10","1","7","6","9","1","1") = "9"
    & skf18("10","1","7","6","9","2","1") = "9"
    & skf18("10","1","7","6","9","3","1") = "9"
    & skf18("10","1","7","6","9","4","1") = "9"
    & skf18("10","1","7","6","9","5","1") = "9"
    & skf18("10","1","7","6","9","6","1") = "9"
    & skf18("10","1","7","6","9","7","1") = "9"
    & skf18("10","1","7","6","9","8","1") = "9"
    & skf18("10","1","7","6","9","9","1") = "9"
    & skf18("10","1","7","6","9","10","1") = "9"
    & skf18("10","1","7","6","10","1","1") = "9"
    & skf18("10","1","7","6","10","2","1") = "9"
    & skf18("10","1","7","6","10","3","1") = "9"
    & skf18("10","1","7","6","10","4","1") = "9"
    & skf18("10","1","7","6","10","5","1") = "9"
    & skf18("10","1","7","6","10","6","1") = "9"
    & skf18("10","1","7","6","10","7","1") = "9"
    & skf18("10","1","7","6","10","8","1") = "9"
    & skf18("10","1","7","6","10","9","1") = "9"
    & skf18("10","1","7","6","10","10","1") = "9"
    & skf18("10","1","7","7","1","1","1") = "9"
    & skf18("10","1","7","7","1","2","1") = "9"
    & skf18("10","1","7","7","1","3","1") = "9"
    & skf18("10","1","7","7","1","4","1") = "9"
    & skf18("10","1","7","7","1","5","1") = "9"
    & skf18("10","1","7","7","1","6","1") = "9"
    & skf18("10","1","7","7","1","7","1") = "9"
    & skf18("10","1","7","7","1","8","1") = "9"
    & skf18("10","1","7","7","1","9","1") = "9"
    & skf18("10","1","7","7","1","10","1") = "9"
    & skf18("10","1","7","7","2","1","1") = "9"
    & skf18("10","1","7","7","2","2","1") = "9"
    & skf18("10","1","7","7","2","3","1") = "9"
    & skf18("10","1","7","7","2","4","1") = "9"
    & skf18("10","1","7","7","2","5","1") = "9"
    & skf18("10","1","7","7","2","6","1") = "9"
    & skf18("10","1","7","7","2","7","1") = "9"
    & skf18("10","1","7","7","2","8","1") = "9"
    & skf18("10","1","7","7","2","9","1") = "9"
    & skf18("10","1","7","7","2","10","1") = "9"
    & skf18("10","1","7","7","3","1","1") = "9"
    & skf18("10","1","7","7","3","2","1") = "9"
    & skf18("10","1","7","7","3","3","1") = "9"
    & skf18("10","1","7","7","3","4","1") = "9"
    & skf18("10","1","7","7","3","5","1") = "9"
    & skf18("10","1","7","7","3","6","1") = "9"
    & skf18("10","1","7","7","3","7","1") = "9"
    & skf18("10","1","7","7","3","8","1") = "9"
    & skf18("10","1","7","7","3","9","1") = "9"
    & skf18("10","1","7","7","3","10","1") = "9"
    & skf18("10","1","7","7","4","1","1") = "9"
    & skf18("10","1","7","7","4","2","1") = "9"
    & skf18("10","1","7","7","4","3","1") = "9"
    & skf18("10","1","7","7","4","4","1") = "9"
    & skf18("10","1","7","7","4","5","1") = "9"
    & skf18("10","1","7","7","4","6","1") = "9"
    & skf18("10","1","7","7","4","7","1") = "9"
    & skf18("10","1","7","7","4","8","1") = "9"
    & skf18("10","1","7","7","4","9","1") = "9"
    & skf18("10","1","7","7","4","10","1") = "9"
    & skf18("10","1","7","7","5","1","1") = "9"
    & skf18("10","1","7","7","5","2","1") = "9"
    & skf18("10","1","7","7","5","3","1") = "9"
    & skf18("10","1","7","7","5","4","1") = "9"
    & skf18("10","1","7","7","5","5","1") = "9"
    & skf18("10","1","7","7","5","6","1") = "9"
    & skf18("10","1","7","7","5","7","1") = "9"
    & skf18("10","1","7","7","5","8","1") = "9"
    & skf18("10","1","7","7","5","9","1") = "9"
    & skf18("10","1","7","7","5","10","1") = "9"
    & skf18("10","1","7","7","6","1","1") = "9"
    & skf18("10","1","7","7","6","2","1") = "9"
    & skf18("10","1","7","7","6","3","1") = "9"
    & skf18("10","1","7","7","6","4","1") = "9"
    & skf18("10","1","7","7","6","5","1") = "9"
    & skf18("10","1","7","7","6","6","1") = "9"
    & skf18("10","1","7","7","6","7","1") = "9"
    & skf18("10","1","7","7","6","8","1") = "9"
    & skf18("10","1","7","7","6","9","1") = "9"
    & skf18("10","1","7","7","6","10","1") = "9"
    & skf18("10","1","7","7","7","1","1") = "9"
    & skf18("10","1","7","7","7","2","1") = "9"
    & skf18("10","1","7","7","7","3","1") = "9"
    & skf18("10","1","7","7","7","4","1") = "9"
    & skf18("10","1","7","7","7","5","1") = "9"
    & skf18("10","1","7","7","7","6","1") = "9"
    & skf18("10","1","7","7","7","7","1") = "9"
    & skf18("10","1","7","7","7","8","1") = "9"
    & skf18("10","1","7","7","7","9","1") = "9"
    & skf18("10","1","7","7","7","10","1") = "9"
    & skf18("10","1","7","7","8","1","1") = "9"
    & skf18("10","1","7","7","8","2","1") = "9"
    & skf18("10","1","7","7","8","3","1") = "9"
    & skf18("10","1","7","7","8","4","1") = "9"
    & skf18("10","1","7","7","8","5","1") = "9"
    & skf18("10","1","7","7","8","6","1") = "9"
    & skf18("10","1","7","7","8","7","1") = "9"
    & skf18("10","1","7","7","8","8","1") = "9"
    & skf18("10","1","7","7","8","9","1") = "9"
    & skf18("10","1","7","7","8","10","1") = "9"
    & skf18("10","1","7","7","9","1","1") = "9"
    & skf18("10","1","7","7","9","2","1") = "9"
    & skf18("10","1","7","7","9","3","1") = "9"
    & skf18("10","1","7","7","9","4","1") = "9"
    & skf18("10","1","7","7","9","5","1") = "9"
    & skf18("10","1","7","7","9","6","1") = "9"
    & skf18("10","1","7","7","9","7","1") = "9"
    & skf18("10","1","7","7","9","8","1") = "9"
    & skf18("10","1","7","7","9","9","1") = "9"
    & skf18("10","1","7","7","9","10","1") = "9"
    & skf18("10","1","7","7","10","1","1") = "9"
    & skf18("10","1","7","7","10","2","1") = "9"
    & skf18("10","1","7","7","10","3","1") = "9"
    & skf18("10","1","7","7","10","4","1") = "9"
    & skf18("10","1","7","7","10","5","1") = "9"
    & skf18("10","1","7","7","10","6","1") = "9"
    & skf18("10","1","7","7","10","7","1") = "9"
    & skf18("10","1","7","7","10","8","1") = "9"
    & skf18("10","1","7","7","10","9","1") = "9"
    & skf18("10","1","7","7","10","10","1") = "9"
    & skf18("10","1","7","8","1","1","1") = "9"
    & skf18("10","1","7","8","1","2","1") = "9"
    & skf18("10","1","7","8","1","3","1") = "9"
    & skf18("10","1","7","8","1","4","1") = "9"
    & skf18("10","1","7","8","1","5","1") = "9"
    & skf18("10","1","7","8","1","6","1") = "9"
    & skf18("10","1","7","8","1","7","1") = "9"
    & skf18("10","1","7","8","1","8","1") = "9"
    & skf18("10","1","7","8","1","9","1") = "9"
    & skf18("10","1","7","8","1","10","1") = "9"
    & skf18("10","1","7","8","2","1","1") = "9"
    & skf18("10","1","7","8","2","2","1") = "9"
    & skf18("10","1","7","8","2","3","1") = "9"
    & skf18("10","1","7","8","2","4","1") = "9"
    & skf18("10","1","7","8","2","5","1") = "9"
    & skf18("10","1","7","8","2","6","1") = "9"
    & skf18("10","1","7","8","2","7","1") = "9"
    & skf18("10","1","7","8","2","8","1") = "9"
    & skf18("10","1","7","8","2","9","1") = "9"
    & skf18("10","1","7","8","2","10","1") = "9"
    & skf18("10","1","7","8","3","1","1") = "9"
    & skf18("10","1","7","8","3","2","1") = "9"
    & skf18("10","1","7","8","3","3","1") = "9"
    & skf18("10","1","7","8","3","4","1") = "9"
    & skf18("10","1","7","8","3","5","1") = "9"
    & skf18("10","1","7","8","3","6","1") = "9"
    & skf18("10","1","7","8","3","7","1") = "9"
    & skf18("10","1","7","8","3","8","1") = "9"
    & skf18("10","1","7","8","3","9","1") = "9"
    & skf18("10","1","7","8","3","10","1") = "9"
    & skf18("10","1","7","8","4","1","1") = "9"
    & skf18("10","1","7","8","4","2","1") = "9"
    & skf18("10","1","7","8","4","3","1") = "9"
    & skf18("10","1","7","8","4","4","1") = "9"
    & skf18("10","1","7","8","4","5","1") = "9"
    & skf18("10","1","7","8","4","6","1") = "9"
    & skf18("10","1","7","8","4","7","1") = "9"
    & skf18("10","1","7","8","4","8","1") = "9"
    & skf18("10","1","7","8","4","9","1") = "9"
    & skf18("10","1","7","8","4","10","1") = "9"
    & skf18("10","1","7","8","5","1","1") = "9"
    & skf18("10","1","7","8","5","2","1") = "9"
    & skf18("10","1","7","8","5","3","1") = "9"
    & skf18("10","1","7","8","5","4","1") = "9"
    & skf18("10","1","7","8","5","5","1") = "9"
    & skf18("10","1","7","8","5","6","1") = "9"
    & skf18("10","1","7","8","5","7","1") = "9"
    & skf18("10","1","7","8","5","8","1") = "9"
    & skf18("10","1","7","8","5","9","1") = "9"
    & skf18("10","1","7","8","5","10","1") = "9"
    & skf18("10","1","7","8","6","1","1") = "9"
    & skf18("10","1","7","8","6","2","1") = "9"
    & skf18("10","1","7","8","6","3","1") = "9"
    & skf18("10","1","7","8","6","4","1") = "9"
    & skf18("10","1","7","8","6","5","1") = "9"
    & skf18("10","1","7","8","6","6","1") = "9"
    & skf18("10","1","7","8","6","7","1") = "9"
    & skf18("10","1","7","8","6","8","1") = "9"
    & skf18("10","1","7","8","6","9","1") = "9"
    & skf18("10","1","7","8","6","10","1") = "9"
    & skf18("10","1","7","8","7","1","1") = "9"
    & skf18("10","1","7","8","7","2","1") = "9"
    & skf18("10","1","7","8","7","3","1") = "9"
    & skf18("10","1","7","8","7","4","1") = "9"
    & skf18("10","1","7","8","7","5","1") = "9"
    & skf18("10","1","7","8","7","6","1") = "9"
    & skf18("10","1","7","8","7","7","1") = "9"
    & skf18("10","1","7","8","7","8","1") = "9"
    & skf18("10","1","7","8","7","9","1") = "9"
    & skf18("10","1","7","8","7","10","1") = "9"
    & skf18("10","1","7","8","8","1","1") = "9"
    & skf18("10","1","7","8","8","2","1") = "9"
    & skf18("10","1","7","8","8","3","1") = "9"
    & skf18("10","1","7","8","8","4","1") = "9"
    & skf18("10","1","7","8","8","5","1") = "9"
    & skf18("10","1","7","8","8","6","1") = "9"
    & skf18("10","1","7","8","8","7","1") = "9"
    & skf18("10","1","7","8","8","8","1") = "9"
    & skf18("10","1","7","8","8","9","1") = "9"
    & skf18("10","1","7","8","8","10","1") = "9"
    & skf18("10","1","7","8","9","1","1") = "9"
    & skf18("10","1","7","8","9","2","1") = "9"
    & skf18("10","1","7","8","9","3","1") = "9"
    & skf18("10","1","7","8","9","4","1") = "9"
    & skf18("10","1","7","8","9","5","1") = "9"
    & skf18("10","1","7","8","9","6","1") = "9"
    & skf18("10","1","7","8","9","7","1") = "9"
    & skf18("10","1","7","8","9","8","1") = "9"
    & skf18("10","1","7","8","9","9","1") = "9"
    & skf18("10","1","7","8","9","10","1") = "9"
    & skf18("10","1","7","8","10","1","1") = "9"
    & skf18("10","1","7","8","10","2","1") = "9"
    & skf18("10","1","7","8","10","3","1") = "9"
    & skf18("10","1","7","8","10","4","1") = "9"
    & skf18("10","1","7","8","10","5","1") = "9"
    & skf18("10","1","7","8","10","6","1") = "9"
    & skf18("10","1","7","8","10","7","1") = "9"
    & skf18("10","1","7","8","10","8","1") = "9"
    & skf18("10","1","7","8","10","9","1") = "9"
    & skf18("10","1","7","8","10","10","1") = "9"
    & skf18("10","1","7","9","1","1","1") = "9"
    & skf18("10","1","7","9","1","2","1") = "9"
    & skf18("10","1","7","9","1","3","1") = "9"
    & skf18("10","1","7","9","1","4","1") = "9"
    & skf18("10","1","7","9","1","5","1") = "9"
    & skf18("10","1","7","9","1","6","1") = "9"
    & skf18("10","1","7","9","1","7","1") = "9"
    & skf18("10","1","7","9","1","8","1") = "9"
    & skf18("10","1","7","9","1","9","1") = "9"
    & skf18("10","1","7","9","1","10","1") = "9"
    & skf18("10","1","7","9","2","1","1") = "9"
    & skf18("10","1","7","9","2","2","1") = "9"
    & skf18("10","1","7","9","2","3","1") = "9"
    & skf18("10","1","7","9","2","4","1") = "9"
    & skf18("10","1","7","9","2","5","1") = "9"
    & skf18("10","1","7","9","2","6","1") = "9"
    & skf18("10","1","7","9","2","7","1") = "9"
    & skf18("10","1","7","9","2","8","1") = "9"
    & skf18("10","1","7","9","2","9","1") = "9"
    & skf18("10","1","7","9","2","10","1") = "9"
    & skf18("10","1","7","9","3","1","1") = "9"
    & skf18("10","1","7","9","3","2","1") = "9"
    & skf18("10","1","7","9","3","3","1") = "9"
    & skf18("10","1","7","9","3","4","1") = "9"
    & skf18("10","1","7","9","3","5","1") = "9"
    & skf18("10","1","7","9","3","6","1") = "9"
    & skf18("10","1","7","9","3","7","1") = "9"
    & skf18("10","1","7","9","3","8","1") = "9"
    & skf18("10","1","7","9","3","9","1") = "9"
    & skf18("10","1","7","9","3","10","1") = "9"
    & skf18("10","1","7","9","4","1","1") = "9"
    & skf18("10","1","7","9","4","2","1") = "9"
    & skf18("10","1","7","9","4","3","1") = "9"
    & skf18("10","1","7","9","4","4","1") = "9"
    & skf18("10","1","7","9","4","5","1") = "9"
    & skf18("10","1","7","9","4","6","1") = "9"
    & skf18("10","1","7","9","4","7","1") = "9"
    & skf18("10","1","7","9","4","8","1") = "9"
    & skf18("10","1","7","9","4","9","1") = "9"
    & skf18("10","1","7","9","4","10","1") = "9"
    & skf18("10","1","7","9","5","1","1") = "9"
    & skf18("10","1","7","9","5","2","1") = "9"
    & skf18("10","1","7","9","5","3","1") = "9"
    & skf18("10","1","7","9","5","4","1") = "9"
    & skf18("10","1","7","9","5","5","1") = "9"
    & skf18("10","1","7","9","5","6","1") = "9"
    & skf18("10","1","7","9","5","7","1") = "9"
    & skf18("10","1","7","9","5","8","1") = "9"
    & skf18("10","1","7","9","5","9","1") = "9"
    & skf18("10","1","7","9","5","10","1") = "9"
    & skf18("10","1","7","9","6","1","1") = "9"
    & skf18("10","1","7","9","6","2","1") = "9"
    & skf18("10","1","7","9","6","3","1") = "9"
    & skf18("10","1","7","9","6","4","1") = "9"
    & skf18("10","1","7","9","6","5","1") = "9"
    & skf18("10","1","7","9","6","6","1") = "9"
    & skf18("10","1","7","9","6","7","1") = "9"
    & skf18("10","1","7","9","6","8","1") = "9"
    & skf18("10","1","7","9","6","9","1") = "9"
    & skf18("10","1","7","9","6","10","1") = "9"
    & skf18("10","1","7","9","7","1","1") = "9"
    & skf18("10","1","7","9","7","2","1") = "9"
    & skf18("10","1","7","9","7","3","1") = "9"
    & skf18("10","1","7","9","7","4","1") = "9"
    & skf18("10","1","7","9","7","5","1") = "9"
    & skf18("10","1","7","9","7","6","1") = "9"
    & skf18("10","1","7","9","7","7","1") = "9"
    & skf18("10","1","7","9","7","8","1") = "9"
    & skf18("10","1","7","9","7","9","1") = "9"
    & skf18("10","1","7","9","7","10","1") = "9"
    & skf18("10","1","7","9","8","1","1") = "9"
    & skf18("10","1","7","9","8","2","1") = "9"
    & skf18("10","1","7","9","8","3","1") = "9"
    & skf18("10","1","7","9","8","4","1") = "9"
    & skf18("10","1","7","9","8","5","1") = "9"
    & skf18("10","1","7","9","8","6","1") = "9"
    & skf18("10","1","7","9","8","7","1") = "9"
    & skf18("10","1","7","9","8","8","1") = "9"
    & skf18("10","1","7","9","8","9","1") = "9"
    & skf18("10","1","7","9","8","10","1") = "9"
    & skf18("10","1","7","9","9","1","1") = "9"
    & skf18("10","1","7","9","9","2","1") = "9"
    & skf18("10","1","7","9","9","3","1") = "9"
    & skf18("10","1","7","9","9","4","1") = "9"
    & skf18("10","1","7","9","9","5","1") = "9"
    & skf18("10","1","7","9","9","6","1") = "9"
    & skf18("10","1","7","9","9","7","1") = "9"
    & skf18("10","1","7","9","9","8","1") = "9"
    & skf18("10","1","7","9","9","9","1") = "9"
    & skf18("10","1","7","9","9","10","1") = "9"
    & skf18("10","1","7","9","10","1","1") = "9"
    & skf18("10","1","7","9","10","2","1") = "9"
    & skf18("10","1","7","9","10","3","1") = "9"
    & skf18("10","1","7","9","10","4","1") = "9"
    & skf18("10","1","7","9","10","5","1") = "9"
    & skf18("10","1","7","9","10","6","1") = "9"
    & skf18("10","1","7","9","10","7","1") = "9"
    & skf18("10","1","7","9","10","8","1") = "9"
    & skf18("10","1","7","9","10","9","1") = "9"
    & skf18("10","1","7","9","10","10","1") = "9"
    & skf18("10","1","7","10","1","1","1") = "9"
    & skf18("10","1","7","10","1","2","1") = "9"
    & skf18("10","1","7","10","1","3","1") = "9"
    & skf18("10","1","7","10","1","4","1") = "9"
    & skf18("10","1","7","10","1","5","1") = "9"
    & skf18("10","1","7","10","1","6","1") = "9"
    & skf18("10","1","7","10","1","7","1") = "9"
    & skf18("10","1","7","10","1","8","1") = "9"
    & skf18("10","1","7","10","1","9","1") = "9"
    & skf18("10","1","7","10","1","10","1") = "9"
    & skf18("10","1","7","10","2","1","1") = "9"
    & skf18("10","1","7","10","2","2","1") = "9"
    & skf18("10","1","7","10","2","3","1") = "9"
    & skf18("10","1","7","10","2","4","1") = "9"
    & skf18("10","1","7","10","2","5","1") = "9"
    & skf18("10","1","7","10","2","6","1") = "9"
    & skf18("10","1","7","10","2","7","1") = "9"
    & skf18("10","1","7","10","2","8","1") = "9"
    & skf18("10","1","7","10","2","9","1") = "9"
    & skf18("10","1","7","10","2","10","1") = "9"
    & skf18("10","1","7","10","3","1","1") = "9"
    & skf18("10","1","7","10","3","2","1") = "9"
    & skf18("10","1","7","10","3","3","1") = "9"
    & skf18("10","1","7","10","3","4","1") = "9"
    & skf18("10","1","7","10","3","5","1") = "9"
    & skf18("10","1","7","10","3","6","1") = "9"
    & skf18("10","1","7","10","3","7","1") = "9"
    & skf18("10","1","7","10","3","8","1") = "9"
    & skf18("10","1","7","10","3","9","1") = "9"
    & skf18("10","1","7","10","3","10","1") = "9"
    & skf18("10","1","7","10","4","1","1") = "9"
    & skf18("10","1","7","10","4","2","1") = "9"
    & skf18("10","1","7","10","4","3","1") = "9"
    & skf18("10","1","7","10","4","4","1") = "9"
    & skf18("10","1","7","10","4","5","1") = "9"
    & skf18("10","1","7","10","4","6","1") = "9"
    & skf18("10","1","7","10","4","7","1") = "9"
    & skf18("10","1","7","10","4","8","1") = "9"
    & skf18("10","1","7","10","4","9","1") = "9"
    & skf18("10","1","7","10","4","10","1") = "9"
    & skf18("10","1","7","10","5","1","1") = "9"
    & skf18("10","1","7","10","5","2","1") = "9"
    & skf18("10","1","7","10","5","3","1") = "9"
    & skf18("10","1","7","10","5","4","1") = "9"
    & skf18("10","1","7","10","5","5","1") = "9"
    & skf18("10","1","7","10","5","6","1") = "9"
    & skf18("10","1","7","10","5","7","1") = "9"
    & skf18("10","1","7","10","5","8","1") = "9"
    & skf18("10","1","7","10","5","9","1") = "9"
    & skf18("10","1","7","10","5","10","1") = "9"
    & skf18("10","1","7","10","6","1","1") = "9"
    & skf18("10","1","7","10","6","2","1") = "9"
    & skf18("10","1","7","10","6","3","1") = "9"
    & skf18("10","1","7","10","6","4","1") = "9"
    & skf18("10","1","7","10","6","5","1") = "9"
    & skf18("10","1","7","10","6","6","1") = "9"
    & skf18("10","1","7","10","6","7","1") = "9"
    & skf18("10","1","7","10","6","8","1") = "9"
    & skf18("10","1","7","10","6","9","1") = "9"
    & skf18("10","1","7","10","6","10","1") = "9"
    & skf18("10","1","7","10","7","1","1") = "9"
    & skf18("10","1","7","10","7","2","1") = "9"
    & skf18("10","1","7","10","7","3","1") = "9"
    & skf18("10","1","7","10","7","4","1") = "9"
    & skf18("10","1","7","10","7","5","1") = "9"
    & skf18("10","1","7","10","7","6","1") = "9"
    & skf18("10","1","7","10","7","7","1") = "9"
    & skf18("10","1","7","10","7","8","1") = "9"
    & skf18("10","1","7","10","7","9","1") = "9"
    & skf18("10","1","7","10","7","10","1") = "9"
    & skf18("10","1","7","10","8","1","1") = "9"
    & skf18("10","1","7","10","8","2","1") = "9"
    & skf18("10","1","7","10","8","3","1") = "9"
    & skf18("10","1","7","10","8","4","1") = "9"
    & skf18("10","1","7","10","8","5","1") = "9"
    & skf18("10","1","7","10","8","6","1") = "9"
    & skf18("10","1","7","10","8","7","1") = "9"
    & skf18("10","1","7","10","8","8","1") = "9"
    & skf18("10","1","7","10","8","9","1") = "9"
    & skf18("10","1","7","10","8","10","1") = "9"
    & skf18("10","1","7","10","9","1","1") = "9"
    & skf18("10","1","7","10","9","2","1") = "9"
    & skf18("10","1","7","10","9","3","1") = "9"
    & skf18("10","1","7","10","9","4","1") = "9"
    & skf18("10","1","7","10","9","5","1") = "9"
    & skf18("10","1","7","10","9","6","1") = "9"
    & skf18("10","1","7","10","9","7","1") = "9"
    & skf18("10","1","7","10","9","8","1") = "9"
    & skf18("10","1","7","10","9","9","1") = "9"
    & skf18("10","1","7","10","9","10","1") = "9"
    & skf18("10","1","7","10","10","1","1") = "9"
    & skf18("10","1","7","10","10","2","1") = "9"
    & skf18("10","1","7","10","10","3","1") = "9"
    & skf18("10","1","7","10","10","4","1") = "9"
    & skf18("10","1","7","10","10","5","1") = "9"
    & skf18("10","1","7","10","10","6","1") = "9"
    & skf18("10","1","7","10","10","7","1") = "9"
    & skf18("10","1","7","10","10","8","1") = "9"
    & skf18("10","1","7","10","10","9","1") = "9"
    & skf18("10","1","7","10","10","10","1") = "9"
    & skf18("10","1","8","1","1","1","1") = "9"
    & skf18("10","1","8","1","1","2","1") = "9"
    & skf18("10","1","8","1","1","3","1") = "9"
    & skf18("10","1","8","1","1","4","1") = "9"
    & skf18("10","1","8","1","1","5","1") = "9"
    & skf18("10","1","8","1","1","6","1") = "9"
    & skf18("10","1","8","1","1","7","1") = "9"
    & skf18("10","1","8","1","1","8","1") = "9"
    & skf18("10","1","8","1","1","9","1") = "9"
    & skf18("10","1","8","1","1","10","1") = "9"
    & skf18("10","1","8","1","2","1","1") = "9"
    & skf18("10","1","8","1","2","2","1") = "9"
    & skf18("10","1","8","1","2","3","1") = "9"
    & skf18("10","1","8","1","2","4","1") = "9"
    & skf18("10","1","8","1","2","5","1") = "9"
    & skf18("10","1","8","1","2","6","1") = "9"
    & skf18("10","1","8","1","2","7","1") = "9"
    & skf18("10","1","8","1","2","8","1") = "9"
    & skf18("10","1","8","1","2","9","1") = "9"
    & skf18("10","1","8","1","2","10","1") = "9"
    & skf18("10","1","8","1","3","1","1") = "9"
    & skf18("10","1","8","1","3","2","1") = "9"
    & skf18("10","1","8","1","3","3","1") = "9"
    & skf18("10","1","8","1","3","4","1") = "9"
    & skf18("10","1","8","1","3","5","1") = "9"
    & skf18("10","1","8","1","3","6","1") = "9"
    & skf18("10","1","8","1","3","7","1") = "9"
    & skf18("10","1","8","1","3","8","1") = "9"
    & skf18("10","1","8","1","3","9","1") = "9"
    & skf18("10","1","8","1","3","10","1") = "9"
    & skf18("10","1","8","1","4","1","1") = "9"
    & skf18("10","1","8","1","4","2","1") = "9"
    & skf18("10","1","8","1","4","3","1") = "9"
    & skf18("10","1","8","1","4","4","1") = "9"
    & skf18("10","1","8","1","4","5","1") = "9"
    & skf18("10","1","8","1","4","6","1") = "9"
    & skf18("10","1","8","1","4","7","1") = "9"
    & skf18("10","1","8","1","4","8","1") = "9"
    & skf18("10","1","8","1","4","9","1") = "9"
    & skf18("10","1","8","1","4","10","1") = "9"
    & skf18("10","1","8","1","5","1","1") = "9"
    & skf18("10","1","8","1","5","2","1") = "9"
    & skf18("10","1","8","1","5","3","1") = "9"
    & skf18("10","1","8","1","5","4","1") = "9"
    & skf18("10","1","8","1","5","5","1") = "9"
    & skf18("10","1","8","1","5","6","1") = "9"
    & skf18("10","1","8","1","5","7","1") = "9"
    & skf18("10","1","8","1","5","8","1") = "9"
    & skf18("10","1","8","1","5","9","1") = "9"
    & skf18("10","1","8","1","5","10","1") = "9"
    & skf18("10","1","8","1","6","1","1") = "9"
    & skf18("10","1","8","1","6","2","1") = "9"
    & skf18("10","1","8","1","6","3","1") = "9"
    & skf18("10","1","8","1","6","4","1") = "9"
    & skf18("10","1","8","1","6","5","1") = "9"
    & skf18("10","1","8","1","6","6","1") = "9"
    & skf18("10","1","8","1","6","7","1") = "9"
    & skf18("10","1","8","1","6","8","1") = "9"
    & skf18("10","1","8","1","6","9","1") = "9"
    & skf18("10","1","8","1","6","10","1") = "9"
    & skf18("10","1","8","1","7","1","1") = "9"
    & skf18("10","1","8","1","7","2","1") = "9"
    & skf18("10","1","8","1","7","3","1") = "9"
    & skf18("10","1","8","1","7","4","1") = "9"
    & skf18("10","1","8","1","7","5","1") = "9"
    & skf18("10","1","8","1","7","6","1") = "9"
    & skf18("10","1","8","1","7","7","1") = "9"
    & skf18("10","1","8","1","7","8","1") = "9"
    & skf18("10","1","8","1","7","9","1") = "9"
    & skf18("10","1","8","1","7","10","1") = "9"
    & skf18("10","1","8","1","8","1","1") = "9"
    & skf18("10","1","8","1","8","2","1") = "9"
    & skf18("10","1","8","1","8","3","1") = "9"
    & skf18("10","1","8","1","8","4","1") = "9"
    & skf18("10","1","8","1","8","5","1") = "9"
    & skf18("10","1","8","1","8","6","1") = "9"
    & skf18("10","1","8","1","8","7","1") = "9"
    & skf18("10","1","8","1","8","8","1") = "9"
    & skf18("10","1","8","1","8","9","1") = "9"
    & skf18("10","1","8","1","8","10","1") = "9"
    & skf18("10","1","8","1","9","1","1") = "9"
    & skf18("10","1","8","1","9","2","1") = "9"
    & skf18("10","1","8","1","9","3","1") = "9"
    & skf18("10","1","8","1","9","4","1") = "9"
    & skf18("10","1","8","1","9","5","1") = "9"
    & skf18("10","1","8","1","9","6","1") = "9"
    & skf18("10","1","8","1","9","7","1") = "9"
    & skf18("10","1","8","1","9","8","1") = "9"
    & skf18("10","1","8","1","9","9","1") = "9"
    & skf18("10","1","8","1","9","10","1") = "9"
    & skf18("10","1","8","1","10","1","1") = "9"
    & skf18("10","1","8","1","10","2","1") = "9"
    & skf18("10","1","8","1","10","3","1") = "9"
    & skf18("10","1","8","1","10","4","1") = "9"
    & skf18("10","1","8","1","10","5","1") = "9"
    & skf18("10","1","8","1","10","6","1") = "9"
    & skf18("10","1","8","1","10","7","1") = "9"
    & skf18("10","1","8","1","10","8","1") = "9"
    & skf18("10","1","8","1","10","9","1") = "9"
    & skf18("10","1","8","1","10","10","1") = "9"
    & skf18("10","1","8","2","1","1","1") = "9"
    & skf18("10","1","8","2","1","2","1") = "9"
    & skf18("10","1","8","2","1","3","1") = "9"
    & skf18("10","1","8","2","1","4","1") = "9"
    & skf18("10","1","8","2","1","5","1") = "9"
    & skf18("10","1","8","2","1","6","1") = "9"
    & skf18("10","1","8","2","1","7","1") = "9"
    & skf18("10","1","8","2","1","8","1") = "9"
    & skf18("10","1","8","2","1","9","1") = "9"
    & skf18("10","1","8","2","1","10","1") = "9"
    & skf18("10","1","8","2","2","1","1") = "9"
    & skf18("10","1","8","2","2","2","1") = "9"
    & skf18("10","1","8","2","2","3","1") = "9"
    & skf18("10","1","8","2","2","4","1") = "9"
    & skf18("10","1","8","2","2","5","1") = "9"
    & skf18("10","1","8","2","2","6","1") = "9"
    & skf18("10","1","8","2","2","7","1") = "9"
    & skf18("10","1","8","2","2","8","1") = "9"
    & skf18("10","1","8","2","2","9","1") = "9"
    & skf18("10","1","8","2","2","10","1") = "9"
    & skf18("10","1","8","2","3","1","1") = "9"
    & skf18("10","1","8","2","3","2","1") = "9"
    & skf18("10","1","8","2","3","3","1") = "9"
    & skf18("10","1","8","2","3","4","1") = "9"
    & skf18("10","1","8","2","3","5","1") = "9"
    & skf18("10","1","8","2","3","6","1") = "9"
    & skf18("10","1","8","2","3","7","1") = "9"
    & skf18("10","1","8","2","3","8","1") = "9"
    & skf18("10","1","8","2","3","9","1") = "9"
    & skf18("10","1","8","2","3","10","1") = "9"
    & skf18("10","1","8","2","4","1","1") = "9"
    & skf18("10","1","8","2","4","2","1") = "9"
    & skf18("10","1","8","2","4","3","1") = "9"
    & skf18("10","1","8","2","4","4","1") = "9"
    & skf18("10","1","8","2","4","5","1") = "9"
    & skf18("10","1","8","2","4","6","1") = "9"
    & skf18("10","1","8","2","4","7","1") = "9"
    & skf18("10","1","8","2","4","8","1") = "9"
    & skf18("10","1","8","2","4","9","1") = "9"
    & skf18("10","1","8","2","4","10","1") = "9"
    & skf18("10","1","8","2","5","1","1") = "9"
    & skf18("10","1","8","2","5","2","1") = "9"
    & skf18("10","1","8","2","5","3","1") = "9"
    & skf18("10","1","8","2","5","4","1") = "9"
    & skf18("10","1","8","2","5","5","1") = "9"
    & skf18("10","1","8","2","5","6","1") = "9"
    & skf18("10","1","8","2","5","7","1") = "9"
    & skf18("10","1","8","2","5","8","1") = "9"
    & skf18("10","1","8","2","5","9","1") = "9"
    & skf18("10","1","8","2","5","10","1") = "9"
    & skf18("10","1","8","2","6","1","1") = "9"
    & skf18("10","1","8","2","6","2","1") = "9"
    & skf18("10","1","8","2","6","3","1") = "9"
    & skf18("10","1","8","2","6","4","1") = "9"
    & skf18("10","1","8","2","6","5","1") = "9"
    & skf18("10","1","8","2","6","6","1") = "9"
    & skf18("10","1","8","2","6","7","1") = "9"
    & skf18("10","1","8","2","6","8","1") = "9"
    & skf18("10","1","8","2","6","9","1") = "9"
    & skf18("10","1","8","2","6","10","1") = "9"
    & skf18("10","1","8","2","7","1","1") = "9"
    & skf18("10","1","8","2","7","2","1") = "9"
    & skf18("10","1","8","2","7","3","1") = "9"
    & skf18("10","1","8","2","7","4","1") = "9"
    & skf18("10","1","8","2","7","5","1") = "9"
    & skf18("10","1","8","2","7","6","1") = "9"
    & skf18("10","1","8","2","7","7","1") = "9"
    & skf18("10","1","8","2","7","8","1") = "9"
    & skf18("10","1","8","2","7","9","1") = "9"
    & skf18("10","1","8","2","7","10","1") = "9"
    & skf18("10","1","8","2","8","1","1") = "9"
    & skf18("10","1","8","2","8","2","1") = "9"
    & skf18("10","1","8","2","8","3","1") = "9"
    & skf18("10","1","8","2","8","4","1") = "9"
    & skf18("10","1","8","2","8","5","1") = "9"
    & skf18("10","1","8","2","8","6","1") = "9"
    & skf18("10","1","8","2","8","7","1") = "9"
    & skf18("10","1","8","2","8","8","1") = "9"
    & skf18("10","1","8","2","8","9","1") = "9"
    & skf18("10","1","8","2","8","10","1") = "9"
    & skf18("10","1","8","2","9","1","1") = "9"
    & skf18("10","1","8","2","9","2","1") = "9"
    & skf18("10","1","8","2","9","3","1") = "9"
    & skf18("10","1","8","2","9","4","1") = "9"
    & skf18("10","1","8","2","9","5","1") = "9"
    & skf18("10","1","8","2","9","6","1") = "9"
    & skf18("10","1","8","2","9","7","1") = "9"
    & skf18("10","1","8","2","9","8","1") = "9"
    & skf18("10","1","8","2","9","9","1") = "9"
    & skf18("10","1","8","2","9","10","1") = "9"
    & skf18("10","1","8","2","10","1","1") = "9"
    & skf18("10","1","8","2","10","2","1") = "9"
    & skf18("10","1","8","2","10","3","1") = "9"
    & skf18("10","1","8","2","10","4","1") = "9"
    & skf18("10","1","8","2","10","5","1") = "9"
    & skf18("10","1","8","2","10","6","1") = "9"
    & skf18("10","1","8","2","10","7","1") = "9"
    & skf18("10","1","8","2","10","8","1") = "9"
    & skf18("10","1","8","2","10","9","1") = "9"
    & skf18("10","1","8","2","10","10","1") = "9"
    & skf18("10","1","8","3","1","1","1") = "9"
    & skf18("10","1","8","3","1","2","1") = "9"
    & skf18("10","1","8","3","1","3","1") = "9"
    & skf18("10","1","8","3","1","4","1") = "9"
    & skf18("10","1","8","3","1","5","1") = "9"
    & skf18("10","1","8","3","1","6","1") = "9"
    & skf18("10","1","8","3","1","7","1") = "9"
    & skf18("10","1","8","3","1","8","1") = "9"
    & skf18("10","1","8","3","1","9","1") = "9"
    & skf18("10","1","8","3","1","10","1") = "9"
    & skf18("10","1","8","3","2","1","1") = "9"
    & skf18("10","1","8","3","2","2","1") = "9"
    & skf18("10","1","8","3","2","3","1") = "9"
    & skf18("10","1","8","3","2","4","1") = "9"
    & skf18("10","1","8","3","2","5","1") = "9"
    & skf18("10","1","8","3","2","6","1") = "9"
    & skf18("10","1","8","3","2","7","1") = "9"
    & skf18("10","1","8","3","2","8","1") = "9"
    & skf18("10","1","8","3","2","9","1") = "9"
    & skf18("10","1","8","3","2","10","1") = "9"
    & skf18("10","1","8","3","3","1","1") = "9"
    & skf18("10","1","8","3","3","2","1") = "9"
    & skf18("10","1","8","3","3","3","1") = "9"
    & skf18("10","1","8","3","3","4","1") = "9"
    & skf18("10","1","8","3","3","5","1") = "9"
    & skf18("10","1","8","3","3","6","1") = "9"
    & skf18("10","1","8","3","3","7","1") = "9"
    & skf18("10","1","8","3","3","8","1") = "9"
    & skf18("10","1","8","3","3","9","1") = "9"
    & skf18("10","1","8","3","3","10","1") = "9"
    & skf18("10","1","8","3","4","1","1") = "9"
    & skf18("10","1","8","3","4","2","1") = "9"
    & skf18("10","1","8","3","4","3","1") = "9"
    & skf18("10","1","8","3","4","4","1") = "9"
    & skf18("10","1","8","3","4","5","1") = "9"
    & skf18("10","1","8","3","4","6","1") = "9"
    & skf18("10","1","8","3","4","7","1") = "9"
    & skf18("10","1","8","3","4","8","1") = "9"
    & skf18("10","1","8","3","4","9","1") = "9"
    & skf18("10","1","8","3","4","10","1") = "9"
    & skf18("10","1","8","3","5","1","1") = "9"
    & skf18("10","1","8","3","5","2","1") = "9"
    & skf18("10","1","8","3","5","3","1") = "9"
    & skf18("10","1","8","3","5","4","1") = "9"
    & skf18("10","1","8","3","5","5","1") = "9"
    & skf18("10","1","8","3","5","6","1") = "9"
    & skf18("10","1","8","3","5","7","1") = "9"
    & skf18("10","1","8","3","5","8","1") = "9"
    & skf18("10","1","8","3","5","9","1") = "9"
    & skf18("10","1","8","3","5","10","1") = "9"
    & skf18("10","1","8","3","6","1","1") = "9"
    & skf18("10","1","8","3","6","2","1") = "9"
    & skf18("10","1","8","3","6","3","1") = "9"
    & skf18("10","1","8","3","6","4","1") = "9"
    & skf18("10","1","8","3","6","5","1") = "9"
    & skf18("10","1","8","3","6","6","1") = "9"
    & skf18("10","1","8","3","6","7","1") = "9"
    & skf18("10","1","8","3","6","8","1") = "9"
    & skf18("10","1","8","3","6","9","1") = "9"
    & skf18("10","1","8","3","6","10","1") = "9"
    & skf18("10","1","8","3","7","1","1") = "9"
    & skf18("10","1","8","3","7","2","1") = "9"
    & skf18("10","1","8","3","7","3","1") = "9"
    & skf18("10","1","8","3","7","4","1") = "9"
    & skf18("10","1","8","3","7","5","1") = "9"
    & skf18("10","1","8","3","7","6","1") = "9"
    & skf18("10","1","8","3","7","7","1") = "9"
    & skf18("10","1","8","3","7","8","1") = "9"
    & skf18("10","1","8","3","7","9","1") = "9"
    & skf18("10","1","8","3","7","10","1") = "9"
    & skf18("10","1","8","3","8","1","1") = "9"
    & skf18("10","1","8","3","8","2","1") = "9"
    & skf18("10","1","8","3","8","3","1") = "9"
    & skf18("10","1","8","3","8","4","1") = "9"
    & skf18("10","1","8","3","8","5","1") = "9"
    & skf18("10","1","8","3","8","6","1") = "9"
    & skf18("10","1","8","3","8","7","1") = "9"
    & skf18("10","1","8","3","8","8","1") = "9"
    & skf18("10","1","8","3","8","9","1") = "9"
    & skf18("10","1","8","3","8","10","1") = "9"
    & skf18("10","1","8","3","9","1","1") = "9"
    & skf18("10","1","8","3","9","2","1") = "9"
    & skf18("10","1","8","3","9","3","1") = "9"
    & skf18("10","1","8","3","9","4","1") = "9"
    & skf18("10","1","8","3","9","5","1") = "9"
    & skf18("10","1","8","3","9","6","1") = "9"
    & skf18("10","1","8","3","9","7","1") = "9"
    & skf18("10","1","8","3","9","8","1") = "9"
    & skf18("10","1","8","3","9","9","1") = "9"
    & skf18("10","1","8","3","9","10","1") = "9"
    & skf18("10","1","8","3","10","1","1") = "9"
    & skf18("10","1","8","3","10","2","1") = "9"
    & skf18("10","1","8","3","10","3","1") = "9"
    & skf18("10","1","8","3","10","4","1") = "9"
    & skf18("10","1","8","3","10","5","1") = "9"
    & skf18("10","1","8","3","10","6","1") = "9"
    & skf18("10","1","8","3","10","7","1") = "9"
    & skf18("10","1","8","3","10","8","1") = "9"
    & skf18("10","1","8","3","10","9","1") = "9"
    & skf18("10","1","8","3","10","10","1") = "9"
    & skf18("10","1","8","4","1","1","1") = "9"
    & skf18("10","1","8","4","1","2","1") = "9"
    & skf18("10","1","8","4","1","3","1") = "9"
    & skf18("10","1","8","4","1","4","1") = "9"
    & skf18("10","1","8","4","1","5","1") = "9"
    & skf18("10","1","8","4","1","6","1") = "9"
    & skf18("10","1","8","4","1","7","1") = "9"
    & skf18("10","1","8","4","1","8","1") = "9"
    & skf18("10","1","8","4","1","9","1") = "9"
    & skf18("10","1","8","4","1","10","1") = "9"
    & skf18("10","1","8","4","2","1","1") = "9"
    & skf18("10","1","8","4","2","2","1") = "9"
    & skf18("10","1","8","4","2","3","1") = "9"
    & skf18("10","1","8","4","2","4","1") = "9"
    & skf18("10","1","8","4","2","5","1") = "9"
    & skf18("10","1","8","4","2","6","1") = "9"
    & skf18("10","1","8","4","2","7","1") = "9"
    & skf18("10","1","8","4","2","8","1") = "9"
    & skf18("10","1","8","4","2","9","1") = "9"
    & skf18("10","1","8","4","2","10","1") = "9"
    & skf18("10","1","8","4","3","1","1") = "9"
    & skf18("10","1","8","4","3","2","1") = "9"
    & skf18("10","1","8","4","3","3","1") = "9"
    & skf18("10","1","8","4","3","4","1") = "9"
    & skf18("10","1","8","4","3","5","1") = "9"
    & skf18("10","1","8","4","3","6","1") = "9"
    & skf18("10","1","8","4","3","7","1") = "9"
    & skf18("10","1","8","4","3","8","1") = "9"
    & skf18("10","1","8","4","3","9","1") = "9"
    & skf18("10","1","8","4","3","10","1") = "9"
    & skf18("10","1","8","4","4","1","1") = "9"
    & skf18("10","1","8","4","4","2","1") = "9"
    & skf18("10","1","8","4","4","3","1") = "9"
    & skf18("10","1","8","4","4","4","1") = "9"
    & skf18("10","1","8","4","4","5","1") = "9"
    & skf18("10","1","8","4","4","6","1") = "9"
    & skf18("10","1","8","4","4","7","1") = "9"
    & skf18("10","1","8","4","4","8","1") = "9"
    & skf18("10","1","8","4","4","9","1") = "9"
    & skf18("10","1","8","4","4","10","1") = "9"
    & skf18("10","1","8","4","5","1","1") = "9"
    & skf18("10","1","8","4","5","2","1") = "9"
    & skf18("10","1","8","4","5","3","1") = "9"
    & skf18("10","1","8","4","5","4","1") = "9"
    & skf18("10","1","8","4","5","5","1") = "9"
    & skf18("10","1","8","4","5","6","1") = "9"
    & skf18("10","1","8","4","5","7","1") = "9"
    & skf18("10","1","8","4","5","8","1") = "9"
    & skf18("10","1","8","4","5","9","1") = "9"
    & skf18("10","1","8","4","5","10","1") = "9"
    & skf18("10","1","8","4","6","1","1") = "9"
    & skf18("10","1","8","4","6","2","1") = "9"
    & skf18("10","1","8","4","6","3","1") = "9"
    & skf18("10","1","8","4","6","4","1") = "9"
    & skf18("10","1","8","4","6","5","1") = "9"
    & skf18("10","1","8","4","6","6","1") = "9"
    & skf18("10","1","8","4","6","7","1") = "9"
    & skf18("10","1","8","4","6","8","1") = "9"
    & skf18("10","1","8","4","6","9","1") = "9"
    & skf18("10","1","8","4","6","10","1") = "9"
    & skf18("10","1","8","4","7","1","1") = "9"
    & skf18("10","1","8","4","7","2","1") = "9"
    & skf18("10","1","8","4","7","3","1") = "9"
    & skf18("10","1","8","4","7","4","1") = "9"
    & skf18("10","1","8","4","7","5","1") = "9"
    & skf18("10","1","8","4","7","6","1") = "9"
    & skf18("10","1","8","4","7","7","1") = "9"
    & skf18("10","1","8","4","7","8","1") = "9"
    & skf18("10","1","8","4","7","9","1") = "9"
    & skf18("10","1","8","4","7","10","1") = "9"
    & skf18("10","1","8","4","8","1","1") = "9"
    & skf18("10","1","8","4","8","2","1") = "9"
    & skf18("10","1","8","4","8","3","1") = "9"
    & skf18("10","1","8","4","8","4","1") = "9"
    & skf18("10","1","8","4","8","5","1") = "9"
    & skf18("10","1","8","4","8","6","1") = "9"
    & skf18("10","1","8","4","8","7","1") = "9"
    & skf18("10","1","8","4","8","8","1") = "9"
    & skf18("10","1","8","4","8","9","1") = "9"
    & skf18("10","1","8","4","8","10","1") = "9"
    & skf18("10","1","8","4","9","1","1") = "9"
    & skf18("10","1","8","4","9","2","1") = "9"
    & skf18("10","1","8","4","9","3","1") = "9"
    & skf18("10","1","8","4","9","4","1") = "9"
    & skf18("10","1","8","4","9","5","1") = "9"
    & skf18("10","1","8","4","9","6","1") = "9"
    & skf18("10","1","8","4","9","7","1") = "9"
    & skf18("10","1","8","4","9","8","1") = "9"
    & skf18("10","1","8","4","9","9","1") = "9"
    & skf18("10","1","8","4","9","10","1") = "9"
    & skf18("10","1","8","4","10","1","1") = "9"
    & skf18("10","1","8","4","10","2","1") = "9"
    & skf18("10","1","8","4","10","3","1") = "9"
    & skf18("10","1","8","4","10","4","1") = "9"
    & skf18("10","1","8","4","10","5","1") = "9"
    & skf18("10","1","8","4","10","6","1") = "9"
    & skf18("10","1","8","4","10","7","1") = "9"
    & skf18("10","1","8","4","10","8","1") = "9"
    & skf18("10","1","8","4","10","9","1") = "9"
    & skf18("10","1","8","4","10","10","1") = "9"
    & skf18("10","1","8","5","1","1","1") = "9"
    & skf18("10","1","8","5","1","2","1") = "9"
    & skf18("10","1","8","5","1","3","1") = "9"
    & skf18("10","1","8","5","1","4","1") = "9"
    & skf18("10","1","8","5","1","5","1") = "9"
    & skf18("10","1","8","5","1","6","1") = "9"
    & skf18("10","1","8","5","1","7","1") = "9"
    & skf18("10","1","8","5","1","8","1") = "9"
    & skf18("10","1","8","5","1","9","1") = "9"
    & skf18("10","1","8","5","1","10","1") = "9"
    & skf18("10","1","8","5","2","1","1") = "9"
    & skf18("10","1","8","5","2","2","1") = "9"
    & skf18("10","1","8","5","2","3","1") = "9"
    & skf18("10","1","8","5","2","4","1") = "9"
    & skf18("10","1","8","5","2","5","1") = "9"
    & skf18("10","1","8","5","2","6","1") = "9"
    & skf18("10","1","8","5","2","7","1") = "9"
    & skf18("10","1","8","5","2","8","1") = "9"
    & skf18("10","1","8","5","2","9","1") = "9"
    & skf18("10","1","8","5","2","10","1") = "9"
    & skf18("10","1","8","5","3","1","1") = "9"
    & skf18("10","1","8","5","3","2","1") = "9"
    & skf18("10","1","8","5","3","3","1") = "9"
    & skf18("10","1","8","5","3","4","1") = "9"
    & skf18("10","1","8","5","3","5","1") = "9"
    & skf18("10","1","8","5","3","6","1") = "9"
    & skf18("10","1","8","5","3","7","1") = "9"
    & skf18("10","1","8","5","3","8","1") = "9"
    & skf18("10","1","8","5","3","9","1") = "9"
    & skf18("10","1","8","5","3","10","1") = "9"
    & skf18("10","1","8","5","4","1","1") = "9"
    & skf18("10","1","8","5","4","2","1") = "9"
    & skf18("10","1","8","5","4","3","1") = "9"
    & skf18("10","1","8","5","4","4","1") = "9"
    & skf18("10","1","8","5","4","5","1") = "9"
    & skf18("10","1","8","5","4","6","1") = "9"
    & skf18("10","1","8","5","4","7","1") = "9"
    & skf18("10","1","8","5","4","8","1") = "9"
    & skf18("10","1","8","5","4","9","1") = "9"
    & skf18("10","1","8","5","4","10","1") = "9"
    & skf18("10","1","8","5","5","1","1") = "9"
    & skf18("10","1","8","5","5","2","1") = "9"
    & skf18("10","1","8","5","5","3","1") = "9"
    & skf18("10","1","8","5","5","4","1") = "9"
    & skf18("10","1","8","5","5","5","1") = "9"
    & skf18("10","1","8","5","5","6","1") = "9"
    & skf18("10","1","8","5","5","7","1") = "9"
    & skf18("10","1","8","5","5","8","1") = "9"
    & skf18("10","1","8","5","5","9","1") = "9"
    & skf18("10","1","8","5","5","10","1") = "9"
    & skf18("10","1","8","5","6","1","1") = "9"
    & skf18("10","1","8","5","6","2","1") = "9"
    & skf18("10","1","8","5","6","3","1") = "9"
    & skf18("10","1","8","5","6","4","1") = "9"
    & skf18("10","1","8","5","6","5","1") = "9"
    & skf18("10","1","8","5","6","6","1") = "9"
    & skf18("10","1","8","5","6","7","1") = "9"
    & skf18("10","1","8","5","6","8","1") = "9"
    & skf18("10","1","8","5","6","9","1") = "9"
    & skf18("10","1","8","5","6","10","1") = "9"
    & skf18("10","1","8","5","7","1","1") = "9"
    & skf18("10","1","8","5","7","2","1") = "9"
    & skf18("10","1","8","5","7","3","1") = "9"
    & skf18("10","1","8","5","7","4","1") = "9"
    & skf18("10","1","8","5","7","5","1") = "9"
    & skf18("10","1","8","5","7","6","1") = "9"
    & skf18("10","1","8","5","7","7","1") = "9"
    & skf18("10","1","8","5","7","8","1") = "9"
    & skf18("10","1","8","5","7","9","1") = "9"
    & skf18("10","1","8","5","7","10","1") = "9"
    & skf18("10","1","8","5","8","1","1") = "9"
    & skf18("10","1","8","5","8","2","1") = "9"
    & skf18("10","1","8","5","8","3","1") = "9"
    & skf18("10","1","8","5","8","4","1") = "9"
    & skf18("10","1","8","5","8","5","1") = "9"
    & skf18("10","1","8","5","8","6","1") = "9"
    & skf18("10","1","8","5","8","7","1") = "9"
    & skf18("10","1","8","5","8","8","1") = "9"
    & skf18("10","1","8","5","8","9","1") = "9"
    & skf18("10","1","8","5","8","10","1") = "9"
    & skf18("10","1","8","5","9","1","1") = "9"
    & skf18("10","1","8","5","9","2","1") = "9"
    & skf18("10","1","8","5","9","3","1") = "9"
    & skf18("10","1","8","5","9","4","1") = "9"
    & skf18("10","1","8","5","9","5","1") = "9"
    & skf18("10","1","8","5","9","6","1") = "9"
    & skf18("10","1","8","5","9","7","1") = "9"
    & skf18("10","1","8","5","9","8","1") = "9"
    & skf18("10","1","8","5","9","9","1") = "9"
    & skf18("10","1","8","5","9","10","1") = "9"
    & skf18("10","1","8","5","10","1","1") = "9"
    & skf18("10","1","8","5","10","2","1") = "9"
    & skf18("10","1","8","5","10","3","1") = "9"
    & skf18("10","1","8","5","10","4","1") = "9"
    & skf18("10","1","8","5","10","5","1") = "9"
    & skf18("10","1","8","5","10","6","1") = "9"
    & skf18("10","1","8","5","10","7","1") = "9"
    & skf18("10","1","8","5","10","8","1") = "9"
    & skf18("10","1","8","5","10","9","1") = "9"
    & skf18("10","1","8","5","10","10","1") = "9"
    & skf18("10","1","8","6","1","1","1") = "9"
    & skf18("10","1","8","6","1","2","1") = "9"
    & skf18("10","1","8","6","1","3","1") = "9"
    & skf18("10","1","8","6","1","4","1") = "9"
    & skf18("10","1","8","6","1","5","1") = "9"
    & skf18("10","1","8","6","1","6","1") = "9"
    & skf18("10","1","8","6","1","7","1") = "9"
    & skf18("10","1","8","6","1","8","1") = "9"
    & skf18("10","1","8","6","1","9","1") = "9"
    & skf18("10","1","8","6","1","10","1") = "9"
    & skf18("10","1","8","6","2","1","1") = "9"
    & skf18("10","1","8","6","2","2","1") = "9"
    & skf18("10","1","8","6","2","3","1") = "9"
    & skf18("10","1","8","6","2","4","1") = "9"
    & skf18("10","1","8","6","2","5","1") = "9"
    & skf18("10","1","8","6","2","6","1") = "9"
    & skf18("10","1","8","6","2","7","1") = "9"
    & skf18("10","1","8","6","2","8","1") = "9"
    & skf18("10","1","8","6","2","9","1") = "9"
    & skf18("10","1","8","6","2","10","1") = "9"
    & skf18("10","1","8","6","3","1","1") = "9"
    & skf18("10","1","8","6","3","2","1") = "9"
    & skf18("10","1","8","6","3","3","1") = "9"
    & skf18("10","1","8","6","3","4","1") = "9"
    & skf18("10","1","8","6","3","5","1") = "9"
    & skf18("10","1","8","6","3","6","1") = "9"
    & skf18("10","1","8","6","3","7","1") = "9"
    & skf18("10","1","8","6","3","8","1") = "9"
    & skf18("10","1","8","6","3","9","1") = "9"
    & skf18("10","1","8","6","3","10","1") = "9"
    & skf18("10","1","8","6","4","1","1") = "9"
    & skf18("10","1","8","6","4","2","1") = "9"
    & skf18("10","1","8","6","4","3","1") = "9"
    & skf18("10","1","8","6","4","4","1") = "9"
    & skf18("10","1","8","6","4","5","1") = "9"
    & skf18("10","1","8","6","4","6","1") = "9"
    & skf18("10","1","8","6","4","7","1") = "9"
    & skf18("10","1","8","6","4","8","1") = "9"
    & skf18("10","1","8","6","4","9","1") = "9"
    & skf18("10","1","8","6","4","10","1") = "9"
    & skf18("10","1","8","6","5","1","1") = "9"
    & skf18("10","1","8","6","5","2","1") = "9"
    & skf18("10","1","8","6","5","3","1") = "9"
    & skf18("10","1","8","6","5","4","1") = "9"
    & skf18("10","1","8","6","5","5","1") = "9"
    & skf18("10","1","8","6","5","6","1") = "9"
    & skf18("10","1","8","6","5","7","1") = "9"
    & skf18("10","1","8","6","5","8","1") = "9"
    & skf18("10","1","8","6","5","9","1") = "9"
    & skf18("10","1","8","6","5","10","1") = "9"
    & skf18("10","1","8","6","6","1","1") = "9"
    & skf18("10","1","8","6","6","2","1") = "9"
    & skf18("10","1","8","6","6","3","1") = "9"
    & skf18("10","1","8","6","6","4","1") = "9"
    & skf18("10","1","8","6","6","5","1") = "9"
    & skf18("10","1","8","6","6","6","1") = "9"
    & skf18("10","1","8","6","6","7","1") = "9"
    & skf18("10","1","8","6","6","8","1") = "9"
    & skf18("10","1","8","6","6","9","1") = "9"
    & skf18("10","1","8","6","6","10","1") = "9"
    & skf18("10","1","8","6","7","1","1") = "9"
    & skf18("10","1","8","6","7","2","1") = "9"
    & skf18("10","1","8","6","7","3","1") = "9"
    & skf18("10","1","8","6","7","4","1") = "9"
    & skf18("10","1","8","6","7","5","1") = "9"
    & skf18("10","1","8","6","7","6","1") = "9"
    & skf18("10","1","8","6","7","7","1") = "9"
    & skf18("10","1","8","6","7","8","1") = "9"
    & skf18("10","1","8","6","7","9","1") = "9"
    & skf18("10","1","8","6","7","10","1") = "9"
    & skf18("10","1","8","6","8","1","1") = "9"
    & skf18("10","1","8","6","8","2","1") = "9"
    & skf18("10","1","8","6","8","3","1") = "9"
    & skf18("10","1","8","6","8","4","1") = "9"
    & skf18("10","1","8","6","8","5","1") = "9"
    & skf18("10","1","8","6","8","6","1") = "9"
    & skf18("10","1","8","6","8","7","1") = "9"
    & skf18("10","1","8","6","8","8","1") = "9"
    & skf18("10","1","8","6","8","9","1") = "9"
    & skf18("10","1","8","6","8","10","1") = "9"
    & skf18("10","1","8","6","9","1","1") = "9"
    & skf18("10","1","8","6","9","2","1") = "9"
    & skf18("10","1","8","6","9","3","1") = "9"
    & skf18("10","1","8","6","9","4","1") = "9"
    & skf18("10","1","8","6","9","5","1") = "9"
    & skf18("10","1","8","6","9","6","1") = "9"
    & skf18("10","1","8","6","9","7","1") = "9"
    & skf18("10","1","8","6","9","8","1") = "9"
    & skf18("10","1","8","6","9","9","1") = "9"
    & skf18("10","1","8","6","9","10","1") = "9"
    & skf18("10","1","8","6","10","1","1") = "9"
    & skf18("10","1","8","6","10","2","1") = "9"
    & skf18("10","1","8","6","10","3","1") = "9"
    & skf18("10","1","8","6","10","4","1") = "9"
    & skf18("10","1","8","6","10","5","1") = "9"
    & skf18("10","1","8","6","10","6","1") = "9"
    & skf18("10","1","8","6","10","7","1") = "9"
    & skf18("10","1","8","6","10","8","1") = "9"
    & skf18("10","1","8","6","10","9","1") = "9"
    & skf18("10","1","8","6","10","10","1") = "9"
    & skf18("10","1","8","7","1","1","1") = "9"
    & skf18("10","1","8","7","1","2","1") = "9"
    & skf18("10","1","8","7","1","3","1") = "9"
    & skf18("10","1","8","7","1","4","1") = "9"
    & skf18("10","1","8","7","1","5","1") = "9"
    & skf18("10","1","8","7","1","6","1") = "9"
    & skf18("10","1","8","7","1","7","1") = "9"
    & skf18("10","1","8","7","1","8","1") = "9"
    & skf18("10","1","8","7","1","9","1") = "9"
    & skf18("10","1","8","7","1","10","1") = "9"
    & skf18("10","1","8","7","2","1","1") = "9"
    & skf18("10","1","8","7","2","2","1") = "9"
    & skf18("10","1","8","7","2","3","1") = "9"
    & skf18("10","1","8","7","2","4","1") = "9"
    & skf18("10","1","8","7","2","5","1") = "9"
    & skf18("10","1","8","7","2","6","1") = "9"
    & skf18("10","1","8","7","2","7","1") = "9"
    & skf18("10","1","8","7","2","8","1") = "9"
    & skf18("10","1","8","7","2","9","1") = "9"
    & skf18("10","1","8","7","2","10","1") = "9"
    & skf18("10","1","8","7","3","1","1") = "9"
    & skf18("10","1","8","7","3","2","1") = "9"
    & skf18("10","1","8","7","3","3","1") = "9"
    & skf18("10","1","8","7","3","4","1") = "9"
    & skf18("10","1","8","7","3","5","1") = "9"
    & skf18("10","1","8","7","3","6","1") = "9"
    & skf18("10","1","8","7","3","7","1") = "9"
    & skf18("10","1","8","7","3","8","1") = "9"
    & skf18("10","1","8","7","3","9","1") = "9"
    & skf18("10","1","8","7","3","10","1") = "9"
    & skf18("10","1","8","7","4","1","1") = "9"
    & skf18("10","1","8","7","4","2","1") = "9"
    & skf18("10","1","8","7","4","3","1") = "9"
    & skf18("10","1","8","7","4","4","1") = "9"
    & skf18("10","1","8","7","4","5","1") = "9"
    & skf18("10","1","8","7","4","6","1") = "9"
    & skf18("10","1","8","7","4","7","1") = "9"
    & skf18("10","1","8","7","4","8","1") = "9"
    & skf18("10","1","8","7","4","9","1") = "9"
    & skf18("10","1","8","7","4","10","1") = "9"
    & skf18("10","1","8","7","5","1","1") = "9"
    & skf18("10","1","8","7","5","2","1") = "9"
    & skf18("10","1","8","7","5","3","1") = "9"
    & skf18("10","1","8","7","5","4","1") = "9"
    & skf18("10","1","8","7","5","5","1") = "9"
    & skf18("10","1","8","7","5","6","1") = "9"
    & skf18("10","1","8","7","5","7","1") = "9"
    & skf18("10","1","8","7","5","8","1") = "9"
    & skf18("10","1","8","7","5","9","1") = "9"
    & skf18("10","1","8","7","5","10","1") = "9"
    & skf18("10","1","8","7","6","1","1") = "9"
    & skf18("10","1","8","7","6","2","1") = "9"
    & skf18("10","1","8","7","6","3","1") = "9"
    & skf18("10","1","8","7","6","4","1") = "9"
    & skf18("10","1","8","7","6","5","1") = "9"
    & skf18("10","1","8","7","6","6","1") = "9"
    & skf18("10","1","8","7","6","7","1") = "9"
    & skf18("10","1","8","7","6","8","1") = "9"
    & skf18("10","1","8","7","6","9","1") = "9"
    & skf18("10","1","8","7","6","10","1") = "9"
    & skf18("10","1","8","7","7","1","1") = "9"
    & skf18("10","1","8","7","7","2","1") = "9"
    & skf18("10","1","8","7","7","3","1") = "9"
    & skf18("10","1","8","7","7","4","1") = "9"
    & skf18("10","1","8","7","7","5","1") = "9"
    & skf18("10","1","8","7","7","6","1") = "9"
    & skf18("10","1","8","7","7","7","1") = "9"
    & skf18("10","1","8","7","7","8","1") = "9"
    & skf18("10","1","8","7","7","9","1") = "9"
    & skf18("10","1","8","7","7","10","1") = "9"
    & skf18("10","1","8","7","8","1","1") = "9"
    & skf18("10","1","8","7","8","2","1") = "9"
    & skf18("10","1","8","7","8","3","1") = "9"
    & skf18("10","1","8","7","8","4","1") = "9"
    & skf18("10","1","8","7","8","5","1") = "9"
    & skf18("10","1","8","7","8","6","1") = "9"
    & skf18("10","1","8","7","8","7","1") = "9"
    & skf18("10","1","8","7","8","8","1") = "9"
    & skf18("10","1","8","7","8","9","1") = "9"
    & skf18("10","1","8","7","8","10","1") = "9"
    & skf18("10","1","8","7","9","1","1") = "9"
    & skf18("10","1","8","7","9","2","1") = "9"
    & skf18("10","1","8","7","9","3","1") = "9"
    & skf18("10","1","8","7","9","4","1") = "9"
    & skf18("10","1","8","7","9","5","1") = "9"
    & skf18("10","1","8","7","9","6","1") = "9"
    & skf18("10","1","8","7","9","7","1") = "9"
    & skf18("10","1","8","7","9","8","1") = "9"
    & skf18("10","1","8","7","9","9","1") = "9"
    & skf18("10","1","8","7","9","10","1") = "9"
    & skf18("10","1","8","7","10","1","1") = "9"
    & skf18("10","1","8","7","10","2","1") = "9"
    & skf18("10","1","8","7","10","3","1") = "9"
    & skf18("10","1","8","7","10","4","1") = "9"
    & skf18("10","1","8","7","10","5","1") = "9"
    & skf18("10","1","8","7","10","6","1") = "9"
    & skf18("10","1","8","7","10","7","1") = "9"
    & skf18("10","1","8","7","10","8","1") = "9"
    & skf18("10","1","8","7","10","9","1") = "9"
    & skf18("10","1","8","7","10","10","1") = "9"
    & skf18("10","1","8","8","1","1","1") = "9"
    & skf18("10","1","8","8","1","2","1") = "9"
    & skf18("10","1","8","8","1","3","1") = "9"
    & skf18("10","1","8","8","1","4","1") = "9"
    & skf18("10","1","8","8","1","5","1") = "9"
    & skf18("10","1","8","8","1","6","1") = "9"
    & skf18("10","1","8","8","1","7","1") = "9"
    & skf18("10","1","8","8","1","8","1") = "9"
    & skf18("10","1","8","8","1","9","1") = "9"
    & skf18("10","1","8","8","1","10","1") = "9"
    & skf18("10","1","8","8","2","1","1") = "9"
    & skf18("10","1","8","8","2","2","1") = "9"
    & skf18("10","1","8","8","2","3","1") = "9"
    & skf18("10","1","8","8","2","4","1") = "9"
    & skf18("10","1","8","8","2","5","1") = "9"
    & skf18("10","1","8","8","2","6","1") = "9"
    & skf18("10","1","8","8","2","7","1") = "9"
    & skf18("10","1","8","8","2","8","1") = "9"
    & skf18("10","1","8","8","2","9","1") = "9"
    & skf18("10","1","8","8","2","10","1") = "9"
    & skf18("10","1","8","8","3","1","1") = "9"
    & skf18("10","1","8","8","3","2","1") = "9"
    & skf18("10","1","8","8","3","3","1") = "9"
    & skf18("10","1","8","8","3","4","1") = "9"
    & skf18("10","1","8","8","3","5","1") = "9"
    & skf18("10","1","8","8","3","6","1") = "9"
    & skf18("10","1","8","8","3","7","1") = "9"
    & skf18("10","1","8","8","3","8","1") = "9"
    & skf18("10","1","8","8","3","9","1") = "9"
    & skf18("10","1","8","8","3","10","1") = "9"
    & skf18("10","1","8","8","4","1","1") = "9"
    & skf18("10","1","8","8","4","2","1") = "9"
    & skf18("10","1","8","8","4","3","1") = "9"
    & skf18("10","1","8","8","4","4","1") = "9"
    & skf18("10","1","8","8","4","5","1") = "9"
    & skf18("10","1","8","8","4","6","1") = "9"
    & skf18("10","1","8","8","4","7","1") = "9"
    & skf18("10","1","8","8","4","8","1") = "9"
    & skf18("10","1","8","8","4","9","1") = "9"
    & skf18("10","1","8","8","4","10","1") = "9"
    & skf18("10","1","8","8","5","1","1") = "9"
    & skf18("10","1","8","8","5","2","1") = "9"
    & skf18("10","1","8","8","5","3","1") = "9"
    & skf18("10","1","8","8","5","4","1") = "9"
    & skf18("10","1","8","8","5","5","1") = "9"
    & skf18("10","1","8","8","5","6","1") = "9"
    & skf18("10","1","8","8","5","7","1") = "9"
    & skf18("10","1","8","8","5","8","1") = "9"
    & skf18("10","1","8","8","5","9","1") = "9"
    & skf18("10","1","8","8","5","10","1") = "9"
    & skf18("10","1","8","8","6","1","1") = "9"
    & skf18("10","1","8","8","6","2","1") = "9"
    & skf18("10","1","8","8","6","3","1") = "9"
    & skf18("10","1","8","8","6","4","1") = "9"
    & skf18("10","1","8","8","6","5","1") = "9"
    & skf18("10","1","8","8","6","6","1") = "9"
    & skf18("10","1","8","8","6","7","1") = "9"
    & skf18("10","1","8","8","6","8","1") = "9"
    & skf18("10","1","8","8","6","9","1") = "9"
    & skf18("10","1","8","8","6","10","1") = "9"
    & skf18("10","1","8","8","7","1","1") = "9"
    & skf18("10","1","8","8","7","2","1") = "9"
    & skf18("10","1","8","8","7","3","1") = "9"
    & skf18("10","1","8","8","7","4","1") = "9"
    & skf18("10","1","8","8","7","5","1") = "9"
    & skf18("10","1","8","8","7","6","1") = "9"
    & skf18("10","1","8","8","7","7","1") = "9"
    & skf18("10","1","8","8","7","8","1") = "9"
    & skf18("10","1","8","8","7","9","1") = "9"
    & skf18("10","1","8","8","7","10","1") = "9"
    & skf18("10","1","8","8","8","1","1") = "9"
    & skf18("10","1","8","8","8","2","1") = "9"
    & skf18("10","1","8","8","8","3","1") = "9"
    & skf18("10","1","8","8","8","4","1") = "9"
    & skf18("10","1","8","8","8","5","1") = "9"
    & skf18("10","1","8","8","8","6","1") = "9"
    & skf18("10","1","8","8","8","7","1") = "9"
    & skf18("10","1","8","8","8","8","1") = "9"
    & skf18("10","1","8","8","8","9","1") = "9"
    & skf18("10","1","8","8","8","10","1") = "9"
    & skf18("10","1","8","8","9","1","1") = "9"
    & skf18("10","1","8","8","9","2","1") = "9"
    & skf18("10","1","8","8","9","3","1") = "9"
    & skf18("10","1","8","8","9","4","1") = "9"
    & skf18("10","1","8","8","9","5","1") = "9"
    & skf18("10","1","8","8","9","6","1") = "9"
    & skf18("10","1","8","8","9","7","1") = "9"
    & skf18("10","1","8","8","9","8","1") = "9"
    & skf18("10","1","8","8","9","9","1") = "9"
    & skf18("10","1","8","8","9","10","1") = "9"
    & skf18("10","1","8","8","10","1","1") = "9"
    & skf18("10","1","8","8","10","2","1") = "9"
    & skf18("10","1","8","8","10","3","1") = "9"
    & skf18("10","1","8","8","10","4","1") = "9"
    & skf18("10","1","8","8","10","5","1") = "9"
    & skf18("10","1","8","8","10","6","1") = "9"
    & skf18("10","1","8","8","10","7","1") = "9"
    & skf18("10","1","8","8","10","8","1") = "9"
    & skf18("10","1","8","8","10","9","1") = "9"
    & skf18("10","1","8","8","10","10","1") = "9"
    & skf18("10","1","8","9","1","1","1") = "9"
    & skf18("10","1","8","9","1","2","1") = "9"
    & skf18("10","1","8","9","1","3","1") = "9"
    & skf18("10","1","8","9","1","4","1") = "9"
    & skf18("10","1","8","9","1","5","1") = "9"
    & skf18("10","1","8","9","1","6","1") = "9"
    & skf18("10","1","8","9","1","7","1") = "9"
    & skf18("10","1","8","9","1","8","1") = "9"
    & skf18("10","1","8","9","1","9","1") = "9"
    & skf18("10","1","8","9","1","10","1") = "9"
    & skf18("10","1","8","9","2","1","1") = "9"
    & skf18("10","1","8","9","2","2","1") = "9"
    & skf18("10","1","8","9","2","3","1") = "9"
    & skf18("10","1","8","9","2","4","1") = "9"
    & skf18("10","1","8","9","2","5","1") = "9"
    & skf18("10","1","8","9","2","6","1") = "9"
    & skf18("10","1","8","9","2","7","1") = "9"
    & skf18("10","1","8","9","2","8","1") = "9"
    & skf18("10","1","8","9","2","9","1") = "9"
    & skf18("10","1","8","9","2","10","1") = "9"
    & skf18("10","1","8","9","3","1","1") = "9"
    & skf18("10","1","8","9","3","2","1") = "9"
    & skf18("10","1","8","9","3","3","1") = "9"
    & skf18("10","1","8","9","3","4","1") = "9"
    & skf18("10","1","8","9","3","5","1") = "9"
    & skf18("10","1","8","9","3","6","1") = "9"
    & skf18("10","1","8","9","3","7","1") = "9"
    & skf18("10","1","8","9","3","8","1") = "9"
    & skf18("10","1","8","9","3","9","1") = "9"
    & skf18("10","1","8","9","3","10","1") = "9"
    & skf18("10","1","8","9","4","1","1") = "9"
    & skf18("10","1","8","9","4","2","1") = "9"
    & skf18("10","1","8","9","4","3","1") = "9"
    & skf18("10","1","8","9","4","4","1") = "9"
    & skf18("10","1","8","9","4","5","1") = "9"
    & skf18("10","1","8","9","4","6","1") = "9"
    & skf18("10","1","8","9","4","7","1") = "9"
    & skf18("10","1","8","9","4","8","1") = "9"
    & skf18("10","1","8","9","4","9","1") = "9"
    & skf18("10","1","8","9","4","10","1") = "9"
    & skf18("10","1","8","9","5","1","1") = "9"
    & skf18("10","1","8","9","5","2","1") = "9"
    & skf18("10","1","8","9","5","3","1") = "9"
    & skf18("10","1","8","9","5","4","1") = "9"
    & skf18("10","1","8","9","5","5","1") = "9"
    & skf18("10","1","8","9","5","6","1") = "9"
    & skf18("10","1","8","9","5","7","1") = "9"
    & skf18("10","1","8","9","5","8","1") = "9"
    & skf18("10","1","8","9","5","9","1") = "9"
    & skf18("10","1","8","9","5","10","1") = "9"
    & skf18("10","1","8","9","6","1","1") = "9"
    & skf18("10","1","8","9","6","2","1") = "9"
    & skf18("10","1","8","9","6","3","1") = "9"
    & skf18("10","1","8","9","6","4","1") = "9"
    & skf18("10","1","8","9","6","5","1") = "9"
    & skf18("10","1","8","9","6","6","1") = "9"
    & skf18("10","1","8","9","6","7","1") = "9"
    & skf18("10","1","8","9","6","8","1") = "9"
    & skf18("10","1","8","9","6","9","1") = "9"
    & skf18("10","1","8","9","6","10","1") = "9"
    & skf18("10","1","8","9","7","1","1") = "9"
    & skf18("10","1","8","9","7","2","1") = "9"
    & skf18("10","1","8","9","7","3","1") = "9"
    & skf18("10","1","8","9","7","4","1") = "9"
    & skf18("10","1","8","9","7","5","1") = "9"
    & skf18("10","1","8","9","7","6","1") = "9"
    & skf18("10","1","8","9","7","7","1") = "9"
    & skf18("10","1","8","9","7","8","1") = "9"
    & skf18("10","1","8","9","7","9","1") = "9"
    & skf18("10","1","8","9","7","10","1") = "9"
    & skf18("10","1","8","9","8","1","1") = "9"
    & skf18("10","1","8","9","8","2","1") = "9"
    & skf18("10","1","8","9","8","3","1") = "9"
    & skf18("10","1","8","9","8","4","1") = "9"
    & skf18("10","1","8","9","8","5","1") = "9"
    & skf18("10","1","8","9","8","6","1") = "9"
    & skf18("10","1","8","9","8","7","1") = "9"
    & skf18("10","1","8","9","8","8","1") = "9"
    & skf18("10","1","8","9","8","9","1") = "9"
    & skf18("10","1","8","9","8","10","1") = "9"
    & skf18("10","1","8","9","9","1","1") = "9"
    & skf18("10","1","8","9","9","2","1") = "9"
    & skf18("10","1","8","9","9","3","1") = "9"
    & skf18("10","1","8","9","9","4","1") = "9"
    & skf18("10","1","8","9","9","5","1") = "9"
    & skf18("10","1","8","9","9","6","1") = "9"
    & skf18("10","1","8","9","9","7","1") = "9"
    & skf18("10","1","8","9","9","8","1") = "9"
    & skf18("10","1","8","9","9","9","1") = "9"
    & skf18("10","1","8","9","9","10","1") = "9"
    & skf18("10","1","8","9","10","1","1") = "9"
    & skf18("10","1","8","9","10","2","1") = "9"
    & skf18("10","1","8","9","10","3","1") = "9"
    & skf18("10","1","8","9","10","4","1") = "9"
    & skf18("10","1","8","9","10","5","1") = "9"
    & skf18("10","1","8","9","10","6","1") = "9"
    & skf18("10","1","8","9","10","7","1") = "9"
    & skf18("10","1","8","9","10","8","1") = "9"
    & skf18("10","1","8","9","10","9","1") = "9"
    & skf18("10","1","8","9","10","10","1") = "9"
    & skf18("10","1","8","10","1","1","1") = "9"
    & skf18("10","1","8","10","1","2","1") = "9"
    & skf18("10","1","8","10","1","3","1") = "9"
    & skf18("10","1","8","10","1","4","1") = "9"
    & skf18("10","1","8","10","1","5","1") = "9"
    & skf18("10","1","8","10","1","6","1") = "9"
    & skf18("10","1","8","10","1","7","1") = "9"
    & skf18("10","1","8","10","1","8","1") = "9"
    & skf18("10","1","8","10","1","9","1") = "9"
    & skf18("10","1","8","10","1","10","1") = "9"
    & skf18("10","1","8","10","2","1","1") = "9"
    & skf18("10","1","8","10","2","2","1") = "9"
    & skf18("10","1","8","10","2","3","1") = "9"
    & skf18("10","1","8","10","2","4","1") = "9"
    & skf18("10","1","8","10","2","5","1") = "9"
    & skf18("10","1","8","10","2","6","1") = "9"
    & skf18("10","1","8","10","2","7","1") = "9"
    & skf18("10","1","8","10","2","8","1") = "9"
    & skf18("10","1","8","10","2","9","1") = "9"
    & skf18("10","1","8","10","2","10","1") = "9"
    & skf18("10","1","8","10","3","1","1") = "9"
    & skf18("10","1","8","10","3","2","1") = "9"
    & skf18("10","1","8","10","3","3","1") = "9"
    & skf18("10","1","8","10","3","4","1") = "9"
    & skf18("10","1","8","10","3","5","1") = "9"
    & skf18("10","1","8","10","3","6","1") = "9"
    & skf18("10","1","8","10","3","7","1") = "9"
    & skf18("10","1","8","10","3","8","1") = "9"
    & skf18("10","1","8","10","3","9","1") = "9"
    & skf18("10","1","8","10","3","10","1") = "9"
    & skf18("10","1","8","10","4","1","1") = "9"
    & skf18("10","1","8","10","4","2","1") = "9"
    & skf18("10","1","8","10","4","3","1") = "9"
    & skf18("10","1","8","10","4","4","1") = "9"
    & skf18("10","1","8","10","4","5","1") = "9"
    & skf18("10","1","8","10","4","6","1") = "9"
    & skf18("10","1","8","10","4","7","1") = "9"
    & skf18("10","1","8","10","4","8","1") = "9"
    & skf18("10","1","8","10","4","9","1") = "9"
    & skf18("10","1","8","10","4","10","1") = "9"
    & skf18("10","1","8","10","5","1","1") = "9"
    & skf18("10","1","8","10","5","2","1") = "9"
    & skf18("10","1","8","10","5","3","1") = "9"
    & skf18("10","1","8","10","5","4","1") = "9"
    & skf18("10","1","8","10","5","5","1") = "9"
    & skf18("10","1","8","10","5","6","1") = "9"
    & skf18("10","1","8","10","5","7","1") = "9"
    & skf18("10","1","8","10","5","8","1") = "9"
    & skf18("10","1","8","10","5","9","1") = "9"
    & skf18("10","1","8","10","5","10","1") = "9"
    & skf18("10","1","8","10","6","1","1") = "9"
    & skf18("10","1","8","10","6","2","1") = "9"
    & skf18("10","1","8","10","6","3","1") = "9"
    & skf18("10","1","8","10","6","4","1") = "9"
    & skf18("10","1","8","10","6","5","1") = "9"
    & skf18("10","1","8","10","6","6","1") = "9"
    & skf18("10","1","8","10","6","7","1") = "9"
    & skf18("10","1","8","10","6","8","1") = "9"
    & skf18("10","1","8","10","6","9","1") = "9"
    & skf18("10","1","8","10","6","10","1") = "9"
    & skf18("10","1","8","10","7","1","1") = "9"
    & skf18("10","1","8","10","7","2","1") = "9"
    & skf18("10","1","8","10","7","3","1") = "9"
    & skf18("10","1","8","10","7","4","1") = "9"
    & skf18("10","1","8","10","7","5","1") = "9"
    & skf18("10","1","8","10","7","6","1") = "9"
    & skf18("10","1","8","10","7","7","1") = "9"
    & skf18("10","1","8","10","7","8","1") = "9"
    & skf18("10","1","8","10","7","9","1") = "9"
    & skf18("10","1","8","10","7","10","1") = "9"
    & skf18("10","1","8","10","8","1","1") = "9"
    & skf18("10","1","8","10","8","2","1") = "9"
    & skf18("10","1","8","10","8","3","1") = "9"
    & skf18("10","1","8","10","8","4","1") = "9"
    & skf18("10","1","8","10","8","5","1") = "9"
    & skf18("10","1","8","10","8","6","1") = "9"
    & skf18("10","1","8","10","8","7","1") = "9"
    & skf18("10","1","8","10","8","8","1") = "9"
    & skf18("10","1","8","10","8","9","1") = "9"
    & skf18("10","1","8","10","8","10","1") = "9"
    & skf18("10","1","8","10","9","1","1") = "9"
    & skf18("10","1","8","10","9","2","1") = "9"
    & skf18("10","1","8","10","9","3","1") = "9"
    & skf18("10","1","8","10","9","4","1") = "9"
    & skf18("10","1","8","10","9","5","1") = "9"
    & skf18("10","1","8","10","9","6","1") = "9"
    & skf18("10","1","8","10","9","7","1") = "9"
    & skf18("10","1","8","10","9","8","1") = "9"
    & skf18("10","1","8","10","9","9","1") = "9"
    & skf18("10","1","8","10","9","10","1") = "9"
    & skf18("10","1","8","10","10","1","1") = "9"
    & skf18("10","1","8","10","10","2","1") = "9"
    & skf18("10","1","8","10","10","3","1") = "9"
    & skf18("10","1","8","10","10","4","1") = "9"
    & skf18("10","1","8","10","10","5","1") = "9"
    & skf18("10","1","8","10","10","6","1") = "9"
    & skf18("10","1","8","10","10","7","1") = "9"
    & skf18("10","1","8","10","10","8","1") = "9"
    & skf18("10","1","8","10","10","9","1") = "9"
    & skf18("10","1","8","10","10","10","1") = "9"
    & skf18("10","1","9","1","1","1","1") = "9"
    & skf18("10","1","9","1","1","2","1") = "9"
    & skf18("10","1","9","1","1","3","1") = "9"
    & skf18("10","1","9","1","1","4","1") = "9"
    & skf18("10","1","9","1","1","5","1") = "9"
    & skf18("10","1","9","1","1","6","1") = "9"
    & skf18("10","1","9","1","1","7","1") = "9"
    & skf18("10","1","9","1","1","8","1") = "9"
    & skf18("10","1","9","1","1","9","1") = "9"
    & skf18("10","1","9","1","1","10","1") = "9"
    & skf18("10","1","9","1","2","1","1") = "9"
    & skf18("10","1","9","1","2","2","1") = "9"
    & skf18("10","1","9","1","2","3","1") = "9"
    & skf18("10","1","9","1","2","4","1") = "9"
    & skf18("10","1","9","1","2","5","1") = "9"
    & skf18("10","1","9","1","2","6","1") = "9"
    & skf18("10","1","9","1","2","7","1") = "9"
    & skf18("10","1","9","1","2","8","1") = "9"
    & skf18("10","1","9","1","2","9","1") = "9"
    & skf18("10","1","9","1","2","10","1") = "9"
    & skf18("10","1","9","1","3","1","1") = "9"
    & skf18("10","1","9","1","3","2","1") = "9"
    & skf18("10","1","9","1","3","3","1") = "9"
    & skf18("10","1","9","1","3","4","1") = "9"
    & skf18("10","1","9","1","3","5","1") = "9"
    & skf18("10","1","9","1","3","6","1") = "9"
    & skf18("10","1","9","1","3","7","1") = "9"
    & skf18("10","1","9","1","3","8","1") = "9"
    & skf18("10","1","9","1","3","9","1") = "9"
    & skf18("10","1","9","1","3","10","1") = "9"
    & skf18("10","1","9","1","4","1","1") = "9"
    & skf18("10","1","9","1","4","2","1") = "9"
    & skf18("10","1","9","1","4","3","1") = "9"
    & skf18("10","1","9","1","4","4","1") = "9"
    & skf18("10","1","9","1","4","5","1") = "9"
    & skf18("10","1","9","1","4","6","1") = "9"
    & skf18("10","1","9","1","4","7","1") = "9"
    & skf18("10","1","9","1","4","8","1") = "9"
    & skf18("10","1","9","1","4","9","1") = "9"
    & skf18("10","1","9","1","4","10","1") = "9"
    & skf18("10","1","9","1","5","1","1") = "9"
    & skf18("10","1","9","1","5","2","1") = "9"
    & skf18("10","1","9","1","5","3","1") = "9"
    & skf18("10","1","9","1","5","4","1") = "9"
    & skf18("10","1","9","1","5","5","1") = "9"
    & skf18("10","1","9","1","5","6","1") = "9"
    & skf18("10","1","9","1","5","7","1") = "9"
    & skf18("10","1","9","1","5","8","1") = "9"
    & skf18("10","1","9","1","5","9","1") = "9"
    & skf18("10","1","9","1","5","10","1") = "9"
    & skf18("10","1","9","1","6","1","1") = "9"
    & skf18("10","1","9","1","6","2","1") = "9"
    & skf18("10","1","9","1","6","3","1") = "9"
    & skf18("10","1","9","1","6","4","1") = "9"
    & skf18("10","1","9","1","6","5","1") = "9"
    & skf18("10","1","9","1","6","6","1") = "9"
    & skf18("10","1","9","1","6","7","1") = "9"
    & skf18("10","1","9","1","6","8","1") = "9"
    & skf18("10","1","9","1","6","9","1") = "9"
    & skf18("10","1","9","1","6","10","1") = "9"
    & skf18("10","1","9","1","7","1","1") = "9"
    & skf18("10","1","9","1","7","2","1") = "9"
    & skf18("10","1","9","1","7","3","1") = "9"
    & skf18("10","1","9","1","7","4","1") = "9"
    & skf18("10","1","9","1","7","5","1") = "9"
    & skf18("10","1","9","1","7","6","1") = "9"
    & skf18("10","1","9","1","7","7","1") = "9"
    & skf18("10","1","9","1","7","8","1") = "9"
    & skf18("10","1","9","1","7","9","1") = "9"
    & skf18("10","1","9","1","7","10","1") = "9"
    & skf18("10","1","9","1","8","1","1") = "9"
    & skf18("10","1","9","1","8","2","1") = "9"
    & skf18("10","1","9","1","8","3","1") = "9"
    & skf18("10","1","9","1","8","4","1") = "9"
    & skf18("10","1","9","1","8","5","1") = "9"
    & skf18("10","1","9","1","8","6","1") = "9"
    & skf18("10","1","9","1","8","7","1") = "9"
    & skf18("10","1","9","1","8","8","1") = "9"
    & skf18("10","1","9","1","8","9","1") = "9"
    & skf18("10","1","9","1","8","10","1") = "9"
    & skf18("10","1","9","1","9","1","1") = "9"
    & skf18("10","1","9","1","9","2","1") = "9"
    & skf18("10","1","9","1","9","3","1") = "9"
    & skf18("10","1","9","1","9","4","1") = "9"
    & skf18("10","1","9","1","9","5","1") = "9"
    & skf18("10","1","9","1","9","6","1") = "9"
    & skf18("10","1","9","1","9","7","1") = "9"
    & skf18("10","1","9","1","9","8","1") = "9"
    & skf18("10","1","9","1","9","9","1") = "9"
    & skf18("10","1","9","1","9","10","1") = "9"
    & skf18("10","1","9","1","10","1","1") = "9"
    & skf18("10","1","9","1","10","2","1") = "9"
    & skf18("10","1","9","1","10","3","1") = "9"
    & skf18("10","1","9","1","10","4","1") = "9"
    & skf18("10","1","9","1","10","5","1") = "9"
    & skf18("10","1","9","1","10","6","1") = "9"
    & skf18("10","1","9","1","10","7","1") = "9"
    & skf18("10","1","9","1","10","8","1") = "9"
    & skf18("10","1","9","1","10","9","1") = "9"
    & skf18("10","1","9","1","10","10","1") = "9"
    & skf18("10","1","9","2","1","1","1") = "9"
    & skf18("10","1","9","2","1","2","1") = "9"
    & skf18("10","1","9","2","1","3","1") = "9"
    & skf18("10","1","9","2","1","4","1") = "9"
    & skf18("10","1","9","2","1","5","1") = "9"
    & skf18("10","1","9","2","1","6","1") = "9"
    & skf18("10","1","9","2","1","7","1") = "9"
    & skf18("10","1","9","2","1","8","1") = "9"
    & skf18("10","1","9","2","1","9","1") = "9"
    & skf18("10","1","9","2","1","10","1") = "9"
    & skf18("10","1","9","2","2","1","1") = "9"
    & skf18("10","1","9","2","2","2","1") = "9"
    & skf18("10","1","9","2","2","3","1") = "9"
    & skf18("10","1","9","2","2","4","1") = "9"
    & skf18("10","1","9","2","2","5","1") = "9"
    & skf18("10","1","9","2","2","6","1") = "9"
    & skf18("10","1","9","2","2","7","1") = "9"
    & skf18("10","1","9","2","2","8","1") = "9"
    & skf18("10","1","9","2","2","9","1") = "9"
    & skf18("10","1","9","2","2","10","1") = "9"
    & skf18("10","1","9","2","3","1","1") = "9"
    & skf18("10","1","9","2","3","2","1") = "9"
    & skf18("10","1","9","2","3","3","1") = "9"
    & skf18("10","1","9","2","3","4","1") = "9"
    & skf18("10","1","9","2","3","5","1") = "9"
    & skf18("10","1","9","2","3","6","1") = "9"
    & skf18("10","1","9","2","3","7","1") = "9"
    & skf18("10","1","9","2","3","8","1") = "9"
    & skf18("10","1","9","2","3","9","1") = "9"
    & skf18("10","1","9","2","3","10","1") = "9"
    & skf18("10","1","9","2","4","1","1") = "9"
    & skf18("10","1","9","2","4","2","1") = "9"
    & skf18("10","1","9","2","4","3","1") = "9"
    & skf18("10","1","9","2","4","4","1") = "9"
    & skf18("10","1","9","2","4","5","1") = "9"
    & skf18("10","1","9","2","4","6","1") = "9"
    & skf18("10","1","9","2","4","7","1") = "9"
    & skf18("10","1","9","2","4","8","1") = "9"
    & skf18("10","1","9","2","4","9","1") = "9"
    & skf18("10","1","9","2","4","10","1") = "9"
    & skf18("10","1","9","2","5","1","1") = "9"
    & skf18("10","1","9","2","5","2","1") = "9"
    & skf18("10","1","9","2","5","3","1") = "9"
    & skf18("10","1","9","2","5","4","1") = "9"
    & skf18("10","1","9","2","5","5","1") = "9"
    & skf18("10","1","9","2","5","6","1") = "9"
    & skf18("10","1","9","2","5","7","1") = "9"
    & skf18("10","1","9","2","5","8","1") = "9"
    & skf18("10","1","9","2","5","9","1") = "9"
    & skf18("10","1","9","2","5","10","1") = "9"
    & skf18("10","1","9","2","6","1","1") = "9"
    & skf18("10","1","9","2","6","2","1") = "9"
    & skf18("10","1","9","2","6","3","1") = "9"
    & skf18("10","1","9","2","6","4","1") = "9"
    & skf18("10","1","9","2","6","5","1") = "9"
    & skf18("10","1","9","2","6","6","1") = "9"
    & skf18("10","1","9","2","6","7","1") = "9"
    & skf18("10","1","9","2","6","8","1") = "9"
    & skf18("10","1","9","2","6","9","1") = "9"
    & skf18("10","1","9","2","6","10","1") = "9"
    & skf18("10","1","9","2","7","1","1") = "9"
    & skf18("10","1","9","2","7","2","1") = "9"
    & skf18("10","1","9","2","7","3","1") = "9"
    & skf18("10","1","9","2","7","4","1") = "9"
    & skf18("10","1","9","2","7","5","1") = "9"
    & skf18("10","1","9","2","7","6","1") = "9"
    & skf18("10","1","9","2","7","7","1") = "9"
    & skf18("10","1","9","2","7","8","1") = "9"
    & skf18("10","1","9","2","7","9","1") = "9"
    & skf18("10","1","9","2","7","10","1") = "9"
    & skf18("10","1","9","2","8","1","1") = "9"
    & skf18("10","1","9","2","8","2","1") = "9"
    & skf18("10","1","9","2","8","3","1") = "9"
    & skf18("10","1","9","2","8","4","1") = "9"
    & skf18("10","1","9","2","8","5","1") = "9"
    & skf18("10","1","9","2","8","6","1") = "9"
    & skf18("10","1","9","2","8","7","1") = "9"
    & skf18("10","1","9","2","8","8","1") = "9"
    & skf18("10","1","9","2","8","9","1") = "9"
    & skf18("10","1","9","2","8","10","1") = "9"
    & skf18("10","1","9","2","9","1","1") = "9"
    & skf18("10","1","9","2","9","2","1") = "9"
    & skf18("10","1","9","2","9","3","1") = "9"
    & skf18("10","1","9","2","9","4","1") = "9"
    & skf18("10","1","9","2","9","5","1") = "9"
    & skf18("10","1","9","2","9","6","1") = "9"
    & skf18("10","1","9","2","9","7","1") = "9"
    & skf18("10","1","9","2","9","8","1") = "9"
    & skf18("10","1","9","2","9","9","1") = "9"
    & skf18("10","1","9","2","9","10","1") = "9"
    & skf18("10","1","9","2","10","1","1") = "9"
    & skf18("10","1","9","2","10","2","1") = "9"
    & skf18("10","1","9","2","10","3","1") = "9"
    & skf18("10","1","9","2","10","4","1") = "9"
    & skf18("10","1","9","2","10","5","1") = "9"
    & skf18("10","1","9","2","10","6","1") = "9"
    & skf18("10","1","9","2","10","7","1") = "9"
    & skf18("10","1","9","2","10","8","1") = "9"
    & skf18("10","1","9","2","10","9","1") = "9"
    & skf18("10","1","9","2","10","10","1") = "9"
    & skf18("10","1","9","3","1","1","1") = "9"
    & skf18("10","1","9","3","1","2","1") = "9"
    & skf18("10","1","9","3","1","3","1") = "9"
    & skf18("10","1","9","3","1","4","1") = "9"
    & skf18("10","1","9","3","1","5","1") = "9"
    & skf18("10","1","9","3","1","6","1") = "9"
    & skf18("10","1","9","3","1","7","1") = "9"
    & skf18("10","1","9","3","1","8","1") = "9"
    & skf18("10","1","9","3","1","9","1") = "9"
    & skf18("10","1","9","3","1","10","1") = "9"
    & skf18("10","1","9","3","2","1","1") = "9"
    & skf18("10","1","9","3","2","2","1") = "9"
    & skf18("10","1","9","3","2","3","1") = "9"
    & skf18("10","1","9","3","2","4","1") = "9"
    & skf18("10","1","9","3","2","5","1") = "9"
    & skf18("10","1","9","3","2","6","1") = "9"
    & skf18("10","1","9","3","2","7","1") = "9"
    & skf18("10","1","9","3","2","8","1") = "9"
    & skf18("10","1","9","3","2","9","1") = "9"
    & skf18("10","1","9","3","2","10","1") = "9"
    & skf18("10","1","9","3","3","1","1") = "9"
    & skf18("10","1","9","3","3","2","1") = "9"
    & skf18("10","1","9","3","3","3","1") = "9"
    & skf18("10","1","9","3","3","4","1") = "9"
    & skf18("10","1","9","3","3","5","1") = "9"
    & skf18("10","1","9","3","3","6","1") = "9"
    & skf18("10","1","9","3","3","7","1") = "9"
    & skf18("10","1","9","3","3","8","1") = "9"
    & skf18("10","1","9","3","3","9","1") = "9"
    & skf18("10","1","9","3","3","10","1") = "9"
    & skf18("10","1","9","3","4","1","1") = "9"
    & skf18("10","1","9","3","4","2","1") = "9"
    & skf18("10","1","9","3","4","3","1") = "9"
    & skf18("10","1","9","3","4","4","1") = "9"
    & skf18("10","1","9","3","4","5","1") = "9"
    & skf18("10","1","9","3","4","6","1") = "9"
    & skf18("10","1","9","3","4","7","1") = "9"
    & skf18("10","1","9","3","4","8","1") = "9"
    & skf18("10","1","9","3","4","9","1") = "9"
    & skf18("10","1","9","3","4","10","1") = "9"
    & skf18("10","1","9","3","5","1","1") = "9"
    & skf18("10","1","9","3","5","2","1") = "9"
    & skf18("10","1","9","3","5","3","1") = "9"
    & skf18("10","1","9","3","5","4","1") = "9"
    & skf18("10","1","9","3","5","5","1") = "9"
    & skf18("10","1","9","3","5","6","1") = "9"
    & skf18("10","1","9","3","5","7","1") = "9"
    & skf18("10","1","9","3","5","8","1") = "9"
    & skf18("10","1","9","3","5","9","1") = "9"
    & skf18("10","1","9","3","5","10","1") = "9"
    & skf18("10","1","9","3","6","1","1") = "9"
    & skf18("10","1","9","3","6","2","1") = "9"
    & skf18("10","1","9","3","6","3","1") = "9"
    & skf18("10","1","9","3","6","4","1") = "9"
    & skf18("10","1","9","3","6","5","1") = "9"
    & skf18("10","1","9","3","6","6","1") = "9"
    & skf18("10","1","9","3","6","7","1") = "9"
    & skf18("10","1","9","3","6","8","1") = "9"
    & skf18("10","1","9","3","6","9","1") = "9"
    & skf18("10","1","9","3","6","10","1") = "9"
    & skf18("10","1","9","3","7","1","1") = "9"
    & skf18("10","1","9","3","7","2","1") = "9"
    & skf18("10","1","9","3","7","3","1") = "9"
    & skf18("10","1","9","3","7","4","1") = "9"
    & skf18("10","1","9","3","7","5","1") = "9"
    & skf18("10","1","9","3","7","6","1") = "9"
    & skf18("10","1","9","3","7","7","1") = "9"
    & skf18("10","1","9","3","7","8","1") = "9"
    & skf18("10","1","9","3","7","9","1") = "9"
    & skf18("10","1","9","3","7","10","1") = "9"
    & skf18("10","1","9","3","8","1","1") = "9"
    & skf18("10","1","9","3","8","2","1") = "9"
    & skf18("10","1","9","3","8","3","1") = "9"
    & skf18("10","1","9","3","8","4","1") = "9"
    & skf18("10","1","9","3","8","5","1") = "9"
    & skf18("10","1","9","3","8","6","1") = "9"
    & skf18("10","1","9","3","8","7","1") = "9"
    & skf18("10","1","9","3","8","8","1") = "9"
    & skf18("10","1","9","3","8","9","1") = "9"
    & skf18("10","1","9","3","8","10","1") = "9"
    & skf18("10","1","9","3","9","1","1") = "9"
    & skf18("10","1","9","3","9","2","1") = "9"
    & skf18("10","1","9","3","9","3","1") = "9"
    & skf18("10","1","9","3","9","4","1") = "9"
    & skf18("10","1","9","3","9","5","1") = "9"
    & skf18("10","1","9","3","9","6","1") = "9"
    & skf18("10","1","9","3","9","7","1") = "9"
    & skf18("10","1","9","3","9","8","1") = "9"
    & skf18("10","1","9","3","9","9","1") = "9"
    & skf18("10","1","9","3","9","10","1") = "9"
    & skf18("10","1","9","3","10","1","1") = "9"
    & skf18("10","1","9","3","10","2","1") = "9"
    & skf18("10","1","9","3","10","3","1") = "9"
    & skf18("10","1","9","3","10","4","1") = "9"
    & skf18("10","1","9","3","10","5","1") = "9"
    & skf18("10","1","9","3","10","6","1") = "9"
    & skf18("10","1","9","3","10","7","1") = "9"
    & skf18("10","1","9","3","10","8","1") = "9"
    & skf18("10","1","9","3","10","9","1") = "9"
    & skf18("10","1","9","3","10","10","1") = "9"
    & skf18("10","1","9","4","1","1","1") = "9"
    & skf18("10","1","9","4","1","2","1") = "9"
    & skf18("10","1","9","4","1","3","1") = "9"
    & skf18("10","1","9","4","1","4","1") = "9"
    & skf18("10","1","9","4","1","5","1") = "9"
    & skf18("10","1","9","4","1","6","1") = "9"
    & skf18("10","1","9","4","1","7","1") = "9"
    & skf18("10","1","9","4","1","8","1") = "9"
    & skf18("10","1","9","4","1","9","1") = "9"
    & skf18("10","1","9","4","1","10","1") = "9"
    & skf18("10","1","9","4","2","1","1") = "9"
    & skf18("10","1","9","4","2","2","1") = "9"
    & skf18("10","1","9","4","2","3","1") = "9"
    & skf18("10","1","9","4","2","4","1") = "9"
    & skf18("10","1","9","4","2","5","1") = "9"
    & skf18("10","1","9","4","2","6","1") = "9"
    & skf18("10","1","9","4","2","7","1") = "9"
    & skf18("10","1","9","4","2","8","1") = "9"
    & skf18("10","1","9","4","2","9","1") = "9"
    & skf18("10","1","9","4","2","10","1") = "9"
    & skf18("10","1","9","4","3","1","1") = "9"
    & skf18("10","1","9","4","3","2","1") = "9"
    & skf18("10","1","9","4","3","3","1") = "9"
    & skf18("10","1","9","4","3","4","1") = "9"
    & skf18("10","1","9","4","3","5","1") = "9"
    & skf18("10","1","9","4","3","6","1") = "9"
    & skf18("10","1","9","4","3","7","1") = "9"
    & skf18("10","1","9","4","3","8","1") = "9"
    & skf18("10","1","9","4","3","9","1") = "9"
    & skf18("10","1","9","4","3","10","1") = "9"
    & skf18("10","1","9","4","4","1","1") = "9"
    & skf18("10","1","9","4","4","2","1") = "9"
    & skf18("10","1","9","4","4","3","1") = "9"
    & skf18("10","1","9","4","4","4","1") = "9"
    & skf18("10","1","9","4","4","5","1") = "9"
    & skf18("10","1","9","4","4","6","1") = "9"
    & skf18("10","1","9","4","4","7","1") = "9"
    & skf18("10","1","9","4","4","8","1") = "9"
    & skf18("10","1","9","4","4","9","1") = "9"
    & skf18("10","1","9","4","4","10","1") = "9"
    & skf18("10","1","9","4","5","1","1") = "9"
    & skf18("10","1","9","4","5","2","1") = "9"
    & skf18("10","1","9","4","5","3","1") = "9"
    & skf18("10","1","9","4","5","4","1") = "9"
    & skf18("10","1","9","4","5","5","1") = "9"
    & skf18("10","1","9","4","5","6","1") = "9"
    & skf18("10","1","9","4","5","7","1") = "9"
    & skf18("10","1","9","4","5","8","1") = "9"
    & skf18("10","1","9","4","5","9","1") = "9"
    & skf18("10","1","9","4","5","10","1") = "9"
    & skf18("10","1","9","4","6","1","1") = "9"
    & skf18("10","1","9","4","6","2","1") = "9"
    & skf18("10","1","9","4","6","3","1") = "9"
    & skf18("10","1","9","4","6","4","1") = "9"
    & skf18("10","1","9","4","6","5","1") = "9"
    & skf18("10","1","9","4","6","6","1") = "9"
    & skf18("10","1","9","4","6","7","1") = "9"
    & skf18("10","1","9","4","6","8","1") = "9"
    & skf18("10","1","9","4","6","9","1") = "9"
    & skf18("10","1","9","4","6","10","1") = "9"
    & skf18("10","1","9","4","7","1","1") = "9"
    & skf18("10","1","9","4","7","2","1") = "9"
    & skf18("10","1","9","4","7","3","1") = "9"
    & skf18("10","1","9","4","7","4","1") = "9"
    & skf18("10","1","9","4","7","5","1") = "9"
    & skf18("10","1","9","4","7","6","1") = "9"
    & skf18("10","1","9","4","7","7","1") = "9"
    & skf18("10","1","9","4","7","8","1") = "9"
    & skf18("10","1","9","4","7","9","1") = "9"
    & skf18("10","1","9","4","7","10","1") = "9"
    & skf18("10","1","9","4","8","1","1") = "9"
    & skf18("10","1","9","4","8","2","1") = "9"
    & skf18("10","1","9","4","8","3","1") = "9"
    & skf18("10","1","9","4","8","4","1") = "9"
    & skf18("10","1","9","4","8","5","1") = "9"
    & skf18("10","1","9","4","8","6","1") = "9"
    & skf18("10","1","9","4","8","7","1") = "9"
    & skf18("10","1","9","4","8","8","1") = "9"
    & skf18("10","1","9","4","8","9","1") = "9"
    & skf18("10","1","9","4","8","10","1") = "9"
    & skf18("10","1","9","4","9","1","1") = "9"
    & skf18("10","1","9","4","9","2","1") = "9"
    & skf18("10","1","9","4","9","3","1") = "9"
    & skf18("10","1","9","4","9","4","1") = "9"
    & skf18("10","1","9","4","9","5","1") = "9"
    & skf18("10","1","9","4","9","6","1") = "9"
    & skf18("10","1","9","4","9","7","1") = "9"
    & skf18("10","1","9","4","9","8","1") = "9"
    & skf18("10","1","9","4","9","9","1") = "9"
    & skf18("10","1","9","4","9","10","1") = "9"
    & skf18("10","1","9","4","10","1","1") = "9"
    & skf18("10","1","9","4","10","2","1") = "9"
    & skf18("10","1","9","4","10","3","1") = "9"
    & skf18("10","1","9","4","10","4","1") = "9"
    & skf18("10","1","9","4","10","5","1") = "9"
    & skf18("10","1","9","4","10","6","1") = "9"
    & skf18("10","1","9","4","10","7","1") = "9"
    & skf18("10","1","9","4","10","8","1") = "9"
    & skf18("10","1","9","4","10","9","1") = "9"
    & skf18("10","1","9","4","10","10","1") = "9"
    & skf18("10","1","9","5","1","1","1") = "9"
    & skf18("10","1","9","5","1","2","1") = "9"
    & skf18("10","1","9","5","1","3","1") = "9"
    & skf18("10","1","9","5","1","4","1") = "9"
    & skf18("10","1","9","5","1","5","1") = "9"
    & skf18("10","1","9","5","1","6","1") = "9"
    & skf18("10","1","9","5","1","7","1") = "9"
    & skf18("10","1","9","5","1","8","1") = "9"
    & skf18("10","1","9","5","1","9","1") = "9"
    & skf18("10","1","9","5","1","10","1") = "9"
    & skf18("10","1","9","5","2","1","1") = "9"
    & skf18("10","1","9","5","2","2","1") = "9"
    & skf18("10","1","9","5","2","3","1") = "9"
    & skf18("10","1","9","5","2","4","1") = "9"
    & skf18("10","1","9","5","2","5","1") = "9"
    & skf18("10","1","9","5","2","6","1") = "9"
    & skf18("10","1","9","5","2","7","1") = "9"
    & skf18("10","1","9","5","2","8","1") = "9"
    & skf18("10","1","9","5","2","9","1") = "9"
    & skf18("10","1","9","5","2","10","1") = "9"
    & skf18("10","1","9","5","3","1","1") = "9"
    & skf18("10","1","9","5","3","2","1") = "9"
    & skf18("10","1","9","5","3","3","1") = "9"
    & skf18("10","1","9","5","3","4","1") = "9"
    & skf18("10","1","9","5","3","5","1") = "9"
    & skf18("10","1","9","5","3","6","1") = "9"
    & skf18("10","1","9","5","3","7","1") = "9"
    & skf18("10","1","9","5","3","8","1") = "9"
    & skf18("10","1","9","5","3","9","1") = "9"
    & skf18("10","1","9","5","3","10","1") = "9"
    & skf18("10","1","9","5","4","1","1") = "9"
    & skf18("10","1","9","5","4","2","1") = "9"
    & skf18("10","1","9","5","4","3","1") = "9"
    & skf18("10","1","9","5","4","4","1") = "9"
    & skf18("10","1","9","5","4","5","1") = "9"
    & skf18("10","1","9","5","4","6","1") = "9"
    & skf18("10","1","9","5","4","7","1") = "9"
    & skf18("10","1","9","5","4","8","1") = "9"
    & skf18("10","1","9","5","4","9","1") = "9"
    & skf18("10","1","9","5","4","10","1") = "9"
    & skf18("10","1","9","5","5","1","1") = "9"
    & skf18("10","1","9","5","5","2","1") = "9"
    & skf18("10","1","9","5","5","3","1") = "9"
    & skf18("10","1","9","5","5","4","1") = "9"
    & skf18("10","1","9","5","5","5","1") = "9"
    & skf18("10","1","9","5","5","6","1") = "9"
    & skf18("10","1","9","5","5","7","1") = "9"
    & skf18("10","1","9","5","5","8","1") = "9"
    & skf18("10","1","9","5","5","9","1") = "9"
    & skf18("10","1","9","5","5","10","1") = "9"
    & skf18("10","1","9","5","6","1","1") = "9"
    & skf18("10","1","9","5","6","2","1") = "9"
    & skf18("10","1","9","5","6","3","1") = "9"
    & skf18("10","1","9","5","6","4","1") = "9"
    & skf18("10","1","9","5","6","5","1") = "9"
    & skf18("10","1","9","5","6","6","1") = "9"
    & skf18("10","1","9","5","6","7","1") = "9"
    & skf18("10","1","9","5","6","8","1") = "9"
    & skf18("10","1","9","5","6","9","1") = "9"
    & skf18("10","1","9","5","6","10","1") = "9"
    & skf18("10","1","9","5","7","1","1") = "9"
    & skf18("10","1","9","5","7","2","1") = "9"
    & skf18("10","1","9","5","7","3","1") = "9"
    & skf18("10","1","9","5","7","4","1") = "9"
    & skf18("10","1","9","5","7","5","1") = "9"
    & skf18("10","1","9","5","7","6","1") = "9"
    & skf18("10","1","9","5","7","7","1") = "9"
    & skf18("10","1","9","5","7","8","1") = "9"
    & skf18("10","1","9","5","7","9","1") = "9"
    & skf18("10","1","9","5","7","10","1") = "9"
    & skf18("10","1","9","5","8","1","1") = "9"
    & skf18("10","1","9","5","8","2","1") = "9"
    & skf18("10","1","9","5","8","3","1") = "9"
    & skf18("10","1","9","5","8","4","1") = "9"
    & skf18("10","1","9","5","8","5","1") = "9"
    & skf18("10","1","9","5","8","6","1") = "9"
    & skf18("10","1","9","5","8","7","1") = "9"
    & skf18("10","1","9","5","8","8","1") = "9"
    & skf18("10","1","9","5","8","9","1") = "9"
    & skf18("10","1","9","5","8","10","1") = "9"
    & skf18("10","1","9","5","9","1","1") = "9"
    & skf18("10","1","9","5","9","2","1") = "9"
    & skf18("10","1","9","5","9","3","1") = "9"
    & skf18("10","1","9","5","9","4","1") = "9"
    & skf18("10","1","9","5","9","5","1") = "9"
    & skf18("10","1","9","5","9","6","1") = "9"
    & skf18("10","1","9","5","9","7","1") = "9"
    & skf18("10","1","9","5","9","8","1") = "9"
    & skf18("10","1","9","5","9","9","1") = "9"
    & skf18("10","1","9","5","9","10","1") = "9"
    & skf18("10","1","9","5","10","1","1") = "9"
    & skf18("10","1","9","5","10","2","1") = "9"
    & skf18("10","1","9","5","10","3","1") = "9"
    & skf18("10","1","9","5","10","4","1") = "9"
    & skf18("10","1","9","5","10","5","1") = "9"
    & skf18("10","1","9","5","10","6","1") = "9"
    & skf18("10","1","9","5","10","7","1") = "9"
    & skf18("10","1","9","5","10","8","1") = "9"
    & skf18("10","1","9","5","10","9","1") = "9"
    & skf18("10","1","9","5","10","10","1") = "9"
    & skf18("10","1","9","6","1","1","1") = "9"
    & skf18("10","1","9","6","1","2","1") = "9"
    & skf18("10","1","9","6","1","3","1") = "9"
    & skf18("10","1","9","6","1","4","1") = "9"
    & skf18("10","1","9","6","1","5","1") = "9"
    & skf18("10","1","9","6","1","6","1") = "9"
    & skf18("10","1","9","6","1","7","1") = "9"
    & skf18("10","1","9","6","1","8","1") = "9"
    & skf18("10","1","9","6","1","9","1") = "9"
    & skf18("10","1","9","6","1","10","1") = "9"
    & skf18("10","1","9","6","2","1","1") = "9"
    & skf18("10","1","9","6","2","2","1") = "9"
    & skf18("10","1","9","6","2","3","1") = "9"
    & skf18("10","1","9","6","2","4","1") = "9"
    & skf18("10","1","9","6","2","5","1") = "9"
    & skf18("10","1","9","6","2","6","1") = "9"
    & skf18("10","1","9","6","2","7","1") = "9"
    & skf18("10","1","9","6","2","8","1") = "9"
    & skf18("10","1","9","6","2","9","1") = "9"
    & skf18("10","1","9","6","2","10","1") = "9"
    & skf18("10","1","9","6","3","1","1") = "9"
    & skf18("10","1","9","6","3","2","1") = "9"
    & skf18("10","1","9","6","3","3","1") = "9"
    & skf18("10","1","9","6","3","4","1") = "9"
    & skf18("10","1","9","6","3","5","1") = "9"
    & skf18("10","1","9","6","3","6","1") = "9"
    & skf18("10","1","9","6","3","7","1") = "9"
    & skf18("10","1","9","6","3","8","1") = "9"
    & skf18("10","1","9","6","3","9","1") = "9"
    & skf18("10","1","9","6","3","10","1") = "9"
    & skf18("10","1","9","6","4","1","1") = "9"
    & skf18("10","1","9","6","4","2","1") = "9"
    & skf18("10","1","9","6","4","3","1") = "9"
    & skf18("10","1","9","6","4","4","1") = "9"
    & skf18("10","1","9","6","4","5","1") = "9"
    & skf18("10","1","9","6","4","6","1") = "9"
    & skf18("10","1","9","6","4","7","1") = "9"
    & skf18("10","1","9","6","4","8","1") = "9"
    & skf18("10","1","9","6","4","9","1") = "9"
    & skf18("10","1","9","6","4","10","1") = "9"
    & skf18("10","1","9","6","5","1","1") = "9"
    & skf18("10","1","9","6","5","2","1") = "9"
    & skf18("10","1","9","6","5","3","1") = "9"
    & skf18("10","1","9","6","5","4","1") = "9"
    & skf18("10","1","9","6","5","5","1") = "9"
    & skf18("10","1","9","6","5","6","1") = "9"
    & skf18("10","1","9","6","5","7","1") = "9"
    & skf18("10","1","9","6","5","8","1") = "9"
    & skf18("10","1","9","6","5","9","1") = "9"
    & skf18("10","1","9","6","5","10","1") = "9"
    & skf18("10","1","9","6","6","1","1") = "9"
    & skf18("10","1","9","6","6","2","1") = "9"
    & skf18("10","1","9","6","6","3","1") = "9"
    & skf18("10","1","9","6","6","4","1") = "9"
    & skf18("10","1","9","6","6","5","1") = "9"
    & skf18("10","1","9","6","6","6","1") = "9"
    & skf18("10","1","9","6","6","7","1") = "9"
    & skf18("10","1","9","6","6","8","1") = "9"
    & skf18("10","1","9","6","6","9","1") = "9"
    & skf18("10","1","9","6","6","10","1") = "9"
    & skf18("10","1","9","6","7","1","1") = "9"
    & skf18("10","1","9","6","7","2","1") = "9"
    & skf18("10","1","9","6","7","3","1") = "9"
    & skf18("10","1","9","6","7","4","1") = "9"
    & skf18("10","1","9","6","7","5","1") = "9"
    & skf18("10","1","9","6","7","6","1") = "9"
    & skf18("10","1","9","6","7","7","1") = "9"
    & skf18("10","1","9","6","7","8","1") = "9"
    & skf18("10","1","9","6","7","9","1") = "9"
    & skf18("10","1","9","6","7","10","1") = "9"
    & skf18("10","1","9","6","8","1","1") = "9"
    & skf18("10","1","9","6","8","2","1") = "9"
    & skf18("10","1","9","6","8","3","1") = "9"
    & skf18("10","1","9","6","8","4","1") = "9"
    & skf18("10","1","9","6","8","5","1") = "9"
    & skf18("10","1","9","6","8","6","1") = "9"
    & skf18("10","1","9","6","8","7","1") = "9"
    & skf18("10","1","9","6","8","8","1") = "9"
    & skf18("10","1","9","6","8","9","1") = "9"
    & skf18("10","1","9","6","8","10","1") = "9"
    & skf18("10","1","9","6","9","1","1") = "9"
    & skf18("10","1","9","6","9","2","1") = "9"
    & skf18("10","1","9","6","9","3","1") = "9"
    & skf18("10","1","9","6","9","4","1") = "9"
    & skf18("10","1","9","6","9","5","1") = "9"
    & skf18("10","1","9","6","9","6","1") = "9"
    & skf18("10","1","9","6","9","7","1") = "9"
    & skf18("10","1","9","6","9","8","1") = "9"
    & skf18("10","1","9","6","9","9","1") = "9"
    & skf18("10","1","9","6","9","10","1") = "9"
    & skf18("10","1","9","6","10","1","1") = "9"
    & skf18("10","1","9","6","10","2","1") = "9"
    & skf18("10","1","9","6","10","3","1") = "9"
    & skf18("10","1","9","6","10","4","1") = "9"
    & skf18("10","1","9","6","10","5","1") = "9"
    & skf18("10","1","9","6","10","6","1") = "9"
    & skf18("10","1","9","6","10","7","1") = "9"
    & skf18("10","1","9","6","10","8","1") = "9"
    & skf18("10","1","9","6","10","9","1") = "9"
    & skf18("10","1","9","6","10","10","1") = "9"
    & skf18("10","1","9","7","1","1","1") = "9"
    & skf18("10","1","9","7","1","2","1") = "9"
    & skf18("10","1","9","7","1","3","1") = "9"
    & skf18("10","1","9","7","1","4","1") = "9"
    & skf18("10","1","9","7","1","5","1") = "9"
    & skf18("10","1","9","7","1","6","1") = "9"
    & skf18("10","1","9","7","1","7","1") = "9"
    & skf18("10","1","9","7","1","8","1") = "9"
    & skf18("10","1","9","7","1","9","1") = "9"
    & skf18("10","1","9","7","1","10","1") = "9"
    & skf18("10","1","9","7","2","1","1") = "9"
    & skf18("10","1","9","7","2","2","1") = "9"
    & skf18("10","1","9","7","2","3","1") = "9"
    & skf18("10","1","9","7","2","4","1") = "9"
    & skf18("10","1","9","7","2","5","1") = "9"
    & skf18("10","1","9","7","2","6","1") = "9"
    & skf18("10","1","9","7","2","7","1") = "9"
    & skf18("10","1","9","7","2","8","1") = "9"
    & skf18("10","1","9","7","2","9","1") = "9"
    & skf18("10","1","9","7","2","10","1") = "9"
    & skf18("10","1","9","7","3","1","1") = "9"
    & skf18("10","1","9","7","3","2","1") = "9"
    & skf18("10","1","9","7","3","3","1") = "9"
    & skf18("10","1","9","7","3","4","1") = "9"
    & skf18("10","1","9","7","3","5","1") = "9"
    & skf18("10","1","9","7","3","6","1") = "9"
    & skf18("10","1","9","7","3","7","1") = "9"
    & skf18("10","1","9","7","3","8","1") = "9"
    & skf18("10","1","9","7","3","9","1") = "9"
    & skf18("10","1","9","7","3","10","1") = "9"
    & skf18("10","1","9","7","4","1","1") = "9"
    & skf18("10","1","9","7","4","2","1") = "9"
    & skf18("10","1","9","7","4","3","1") = "9"
    & skf18("10","1","9","7","4","4","1") = "9"
    & skf18("10","1","9","7","4","5","1") = "9"
    & skf18("10","1","9","7","4","6","1") = "9"
    & skf18("10","1","9","7","4","7","1") = "9"
    & skf18("10","1","9","7","4","8","1") = "9"
    & skf18("10","1","9","7","4","9","1") = "9"
    & skf18("10","1","9","7","4","10","1") = "9"
    & skf18("10","1","9","7","5","1","1") = "9"
    & skf18("10","1","9","7","5","2","1") = "9"
    & skf18("10","1","9","7","5","3","1") = "9"
    & skf18("10","1","9","7","5","4","1") = "9"
    & skf18("10","1","9","7","5","5","1") = "9"
    & skf18("10","1","9","7","5","6","1") = "9"
    & skf18("10","1","9","7","5","7","1") = "9"
    & skf18("10","1","9","7","5","8","1") = "9"
    & skf18("10","1","9","7","5","9","1") = "9"
    & skf18("10","1","9","7","5","10","1") = "9"
    & skf18("10","1","9","7","6","1","1") = "9"
    & skf18("10","1","9","7","6","2","1") = "9"
    & skf18("10","1","9","7","6","3","1") = "9"
    & skf18("10","1","9","7","6","4","1") = "9"
    & skf18("10","1","9","7","6","5","1") = "9"
    & skf18("10","1","9","7","6","6","1") = "9"
    & skf18("10","1","9","7","6","7","1") = "9"
    & skf18("10","1","9","7","6","8","1") = "9"
    & skf18("10","1","9","7","6","9","1") = "9"
    & skf18("10","1","9","7","6","10","1") = "9"
    & skf18("10","1","9","7","7","1","1") = "9"
    & skf18("10","1","9","7","7","2","1") = "9"
    & skf18("10","1","9","7","7","3","1") = "9"
    & skf18("10","1","9","7","7","4","1") = "9"
    & skf18("10","1","9","7","7","5","1") = "9"
    & skf18("10","1","9","7","7","6","1") = "9"
    & skf18("10","1","9","7","7","7","1") = "9"
    & skf18("10","1","9","7","7","8","1") = "9"
    & skf18("10","1","9","7","7","9","1") = "9"
    & skf18("10","1","9","7","7","10","1") = "9"
    & skf18("10","1","9","7","8","1","1") = "9"
    & skf18("10","1","9","7","8","2","1") = "9"
    & skf18("10","1","9","7","8","3","1") = "9"
    & skf18("10","1","9","7","8","4","1") = "9"
    & skf18("10","1","9","7","8","5","1") = "9"
    & skf18("10","1","9","7","8","6","1") = "9"
    & skf18("10","1","9","7","8","7","1") = "9"
    & skf18("10","1","9","7","8","8","1") = "9"
    & skf18("10","1","9","7","8","9","1") = "9"
    & skf18("10","1","9","7","8","10","1") = "9"
    & skf18("10","1","9","7","9","1","1") = "9"
    & skf18("10","1","9","7","9","2","1") = "9"
    & skf18("10","1","9","7","9","3","1") = "9"
    & skf18("10","1","9","7","9","4","1") = "9"
    & skf18("10","1","9","7","9","5","1") = "9"
    & skf18("10","1","9","7","9","6","1") = "9"
    & skf18("10","1","9","7","9","7","1") = "9"
    & skf18("10","1","9","7","9","8","1") = "9"
    & skf18("10","1","9","7","9","9","1") = "9"
    & skf18("10","1","9","7","9","10","1") = "9"
    & skf18("10","1","9","7","10","1","1") = "9"
    & skf18("10","1","9","7","10","2","1") = "9"
    & skf18("10","1","9","7","10","3","1") = "9"
    & skf18("10","1","9","7","10","4","1") = "9"
    & skf18("10","1","9","7","10","5","1") = "9"
    & skf18("10","1","9","7","10","6","1") = "9"
    & skf18("10","1","9","7","10","7","1") = "9"
    & skf18("10","1","9","7","10","8","1") = "9"
    & skf18("10","1","9","7","10","9","1") = "9"
    & skf18("10","1","9","7","10","10","1") = "9"
    & skf18("10","1","9","8","1","1","1") = "9"
    & skf18("10","1","9","8","1","2","1") = "9"
    & skf18("10","1","9","8","1","3","1") = "9"
    & skf18("10","1","9","8","1","4","1") = "9"
    & skf18("10","1","9","8","1","5","1") = "9"
    & skf18("10","1","9","8","1","6","1") = "9"
    & skf18("10","1","9","8","1","7","1") = "9"
    & skf18("10","1","9","8","1","8","1") = "9"
    & skf18("10","1","9","8","1","9","1") = "9"
    & skf18("10","1","9","8","1","10","1") = "9"
    & skf18("10","1","9","8","2","1","1") = "9"
    & skf18("10","1","9","8","2","2","1") = "9"
    & skf18("10","1","9","8","2","3","1") = "9"
    & skf18("10","1","9","8","2","4","1") = "9"
    & skf18("10","1","9","8","2","5","1") = "9"
    & skf18("10","1","9","8","2","6","1") = "9"
    & skf18("10","1","9","8","2","7","1") = "9"
    & skf18("10","1","9","8","2","8","1") = "9"
    & skf18("10","1","9","8","2","9","1") = "9"
    & skf18("10","1","9","8","2","10","1") = "9"
    & skf18("10","1","9","8","3","1","1") = "9"
    & skf18("10","1","9","8","3","2","1") = "9"
    & skf18("10","1","9","8","3","3","1") = "9"
    & skf18("10","1","9","8","3","4","1") = "9"
    & skf18("10","1","9","8","3","5","1") = "9"
    & skf18("10","1","9","8","3","6","1") = "9"
    & skf18("10","1","9","8","3","7","1") = "9"
    & skf18("10","1","9","8","3","8","1") = "9"
    & skf18("10","1","9","8","3","9","1") = "9"
    & skf18("10","1","9","8","3","10","1") = "9"
    & skf18("10","1","9","8","4","1","1") = "9"
    & skf18("10","1","9","8","4","2","1") = "9"
    & skf18("10","1","9","8","4","3","1") = "9"
    & skf18("10","1","9","8","4","4","1") = "9"
    & skf18("10","1","9","8","4","5","1") = "9"
    & skf18("10","1","9","8","4","6","1") = "9"
    & skf18("10","1","9","8","4","7","1") = "9"
    & skf18("10","1","9","8","4","8","1") = "9"
    & skf18("10","1","9","8","4","9","1") = "9"
    & skf18("10","1","9","8","4","10","1") = "9"
    & skf18("10","1","9","8","5","1","1") = "9"
    & skf18("10","1","9","8","5","2","1") = "9"
    & skf18("10","1","9","8","5","3","1") = "9"
    & skf18("10","1","9","8","5","4","1") = "9"
    & skf18("10","1","9","8","5","5","1") = "9"
    & skf18("10","1","9","8","5","6","1") = "9"
    & skf18("10","1","9","8","5","7","1") = "9"
    & skf18("10","1","9","8","5","8","1") = "9"
    & skf18("10","1","9","8","5","9","1") = "9"
    & skf18("10","1","9","8","5","10","1") = "9"
    & skf18("10","1","9","8","6","1","1") = "9"
    & skf18("10","1","9","8","6","2","1") = "9"
    & skf18("10","1","9","8","6","3","1") = "9"
    & skf18("10","1","9","8","6","4","1") = "9"
    & skf18("10","1","9","8","6","5","1") = "9"
    & skf18("10","1","9","8","6","6","1") = "9"
    & skf18("10","1","9","8","6","7","1") = "9"
    & skf18("10","1","9","8","6","8","1") = "9"
    & skf18("10","1","9","8","6","9","1") = "9"
    & skf18("10","1","9","8","6","10","1") = "9"
    & skf18("10","1","9","8","7","1","1") = "9"
    & skf18("10","1","9","8","7","2","1") = "9"
    & skf18("10","1","9","8","7","3","1") = "9"
    & skf18("10","1","9","8","7","4","1") = "9"
    & skf18("10","1","9","8","7","5","1") = "9"
    & skf18("10","1","9","8","7","6","1") = "9"
    & skf18("10","1","9","8","7","7","1") = "9"
    & skf18("10","1","9","8","7","8","1") = "9"
    & skf18("10","1","9","8","7","9","1") = "9"
    & skf18("10","1","9","8","7","10","1") = "9"
    & skf18("10","1","9","8","8","1","1") = "9"
    & skf18("10","1","9","8","8","2","1") = "9"
    & skf18("10","1","9","8","8","3","1") = "9"
    & skf18("10","1","9","8","8","4","1") = "9"
    & skf18("10","1","9","8","8","5","1") = "9"
    & skf18("10","1","9","8","8","6","1") = "9"
    & skf18("10","1","9","8","8","7","1") = "9"
    & skf18("10","1","9","8","8","8","1") = "9"
    & skf18("10","1","9","8","8","9","1") = "9"
    & skf18("10","1","9","8","8","10","1") = "9"
    & skf18("10","1","9","8","9","1","1") = "9"
    & skf18("10","1","9","8","9","2","1") = "9"
    & skf18("10","1","9","8","9","3","1") = "9"
    & skf18("10","1","9","8","9","4","1") = "9"
    & skf18("10","1","9","8","9","5","1") = "9"
    & skf18("10","1","9","8","9","6","1") = "9"
    & skf18("10","1","9","8","9","7","1") = "9"
    & skf18("10","1","9","8","9","8","1") = "9"
    & skf18("10","1","9","8","9","9","1") = "9"
    & skf18("10","1","9","8","9","10","1") = "9"
    & skf18("10","1","9","8","10","1","1") = "9"
    & skf18("10","1","9","8","10","2","1") = "9"
    & skf18("10","1","9","8","10","3","1") = "9"
    & skf18("10","1","9","8","10","4","1") = "9"
    & skf18("10","1","9","8","10","5","1") = "9"
    & skf18("10","1","9","8","10","6","1") = "9"
    & skf18("10","1","9","8","10","7","1") = "9"
    & skf18("10","1","9","8","10","8","1") = "9"
    & skf18("10","1","9","8","10","9","1") = "9"
    & skf18("10","1","9","8","10","10","1") = "9"
    & skf18("10","1","9","9","1","1","1") = "9"
    & skf18("10","1","9","9","1","2","1") = "9"
    & skf18("10","1","9","9","1","3","1") = "9"
    & skf18("10","1","9","9","1","4","1") = "9"
    & skf18("10","1","9","9","1","5","1") = "9"
    & skf18("10","1","9","9","1","6","1") = "9"
    & skf18("10","1","9","9","1","7","1") = "9"
    & skf18("10","1","9","9","1","8","1") = "9"
    & skf18("10","1","9","9","1","9","1") = "9"
    & skf18("10","1","9","9","1","10","1") = "9"
    & skf18("10","1","9","9","2","1","1") = "9"
    & skf18("10","1","9","9","2","2","1") = "9"
    & skf18("10","1","9","9","2","3","1") = "9"
    & skf18("10","1","9","9","2","4","1") = "9"
    & skf18("10","1","9","9","2","5","1") = "9"
    & skf18("10","1","9","9","2","6","1") = "9"
    & skf18("10","1","9","9","2","7","1") = "9"
    & skf18("10","1","9","9","2","8","1") = "9"
    & skf18("10","1","9","9","2","9","1") = "9"
    & skf18("10","1","9","9","2","10","1") = "9"
    & skf18("10","1","9","9","3","1","1") = "9"
    & skf18("10","1","9","9","3","2","1") = "9"
    & skf18("10","1","9","9","3","3","1") = "9"
    & skf18("10","1","9","9","3","4","1") = "9"
    & skf18("10","1","9","9","3","5","1") = "9"
    & skf18("10","1","9","9","3","6","1") = "9"
    & skf18("10","1","9","9","3","7","1") = "9"
    & skf18("10","1","9","9","3","8","1") = "9"
    & skf18("10","1","9","9","3","9","1") = "9"
    & skf18("10","1","9","9","3","10","1") = "9"
    & skf18("10","1","9","9","4","1","1") = "9"
    & skf18("10","1","9","9","4","2","1") = "9"
    & skf18("10","1","9","9","4","3","1") = "9"
    & skf18("10","1","9","9","4","4","1") = "9"
    & skf18("10","1","9","9","4","5","1") = "9"
    & skf18("10","1","9","9","4","6","1") = "9"
    & skf18("10","1","9","9","4","7","1") = "9"
    & skf18("10","1","9","9","4","8","1") = "9"
    & skf18("10","1","9","9","4","9","1") = "9"
    & skf18("10","1","9","9","4","10","1") = "9"
    & skf18("10","1","9","9","5","1","1") = "9"
    & skf18("10","1","9","9","5","2","1") = "9"
    & skf18("10","1","9","9","5","3","1") = "9"
    & skf18("10","1","9","9","5","4","1") = "9"
    & skf18("10","1","9","9","5","5","1") = "9"
    & skf18("10","1","9","9","5","6","1") = "9"
    & skf18("10","1","9","9","5","7","1") = "9"
    & skf18("10","1","9","9","5","8","1") = "9"
    & skf18("10","1","9","9","5","9","1") = "9"
    & skf18("10","1","9","9","5","10","1") = "9"
    & skf18("10","1","9","9","6","1","1") = "9"
    & skf18("10","1","9","9","6","2","1") = "9"
    & skf18("10","1","9","9","6","3","1") = "9"
    & skf18("10","1","9","9","6","4","1") = "9"
    & skf18("10","1","9","9","6","5","1") = "9"
    & skf18("10","1","9","9","6","6","1") = "9"
    & skf18("10","1","9","9","6","7","1") = "9"
    & skf18("10","1","9","9","6","8","1") = "9"
    & skf18("10","1","9","9","6","9","1") = "9"
    & skf18("10","1","9","9","6","10","1") = "9"
    & skf18("10","1","9","9","7","1","1") = "9"
    & skf18("10","1","9","9","7","2","1") = "9"
    & skf18("10","1","9","9","7","3","1") = "9"
    & skf18("10","1","9","9","7","4","1") = "9"
    & skf18("10","1","9","9","7","5","1") = "9"
    & skf18("10","1","9","9","7","6","1") = "9"
    & skf18("10","1","9","9","7","7","1") = "9"
    & skf18("10","1","9","9","7","8","1") = "9"
    & skf18("10","1","9","9","7","9","1") = "9"
    & skf18("10","1","9","9","7","10","1") = "9"
    & skf18("10","1","9","9","8","1","1") = "9"
    & skf18("10","1","9","9","8","2","1") = "9"
    & skf18("10","1","9","9","8","3","1") = "9"
    & skf18("10","1","9","9","8","4","1") = "9"
    & skf18("10","1","9","9","8","5","1") = "9"
    & skf18("10","1","9","9","8","6","1") = "9"
    & skf18("10","1","9","9","8","7","1") = "9"
    & skf18("10","1","9","9","8","8","1") = "9"
    & skf18("10","1","9","9","8","9","1") = "9"
    & skf18("10","1","9","9","8","10","1") = "9"
    & skf18("10","1","9","9","9","1","1") = "9"
    & skf18("10","1","9","9","9","2","1") = "9"
    & skf18("10","1","9","9","9","3","1") = "9"
    & skf18("10","1","9","9","9","4","1") = "9"
    & skf18("10","1","9","9","9","5","1") = "9"
    & skf18("10","1","9","9","9","6","1") = "9"
    & skf18("10","1","9","9","9","7","1") = "9"
    & skf18("10","1","9","9","9","8","1") = "9"
    & skf18("10","1","9","9","9","9","1") = "9"
    & skf18("10","1","9","9","9","10","1") = "9"
    & skf18("10","1","9","9","10","1","1") = "9"
    & skf18("10","1","9","9","10","2","1") = "9"
    & skf18("10","1","9","9","10","3","1") = "9"
    & skf18("10","1","9","9","10","4","1") = "9"
    & skf18("10","1","9","9","10","5","1") = "9"
    & skf18("10","1","9","9","10","6","1") = "9"
    & skf18("10","1","9","9","10","7","1") = "9"
    & skf18("10","1","9","9","10","8","1") = "9"
    & skf18("10","1","9","9","10","9","1") = "9"
    & skf18("10","1","9","9","10","10","1") = "9"
    & skf18("10","1","9","10","1","1","1") = "9"
    & skf18("10","1","9","10","1","2","1") = "9"
    & skf18("10","1","9","10","1","3","1") = "9"
    & skf18("10","1","9","10","1","4","1") = "9"
    & skf18("10","1","9","10","1","5","1") = "9"
    & skf18("10","1","9","10","1","6","1") = "9"
    & skf18("10","1","9","10","1","7","1") = "9"
    & skf18("10","1","9","10","1","8","1") = "9"
    & skf18("10","1","9","10","1","9","1") = "9"
    & skf18("10","1","9","10","1","10","1") = "9"
    & skf18("10","1","9","10","2","1","1") = "9"
    & skf18("10","1","9","10","2","2","1") = "9"
    & skf18("10","1","9","10","2","3","1") = "9"
    & skf18("10","1","9","10","2","4","1") = "9"
    & skf18("10","1","9","10","2","5","1") = "9"
    & skf18("10","1","9","10","2","6","1") = "9"
    & skf18("10","1","9","10","2","7","1") = "9"
    & skf18("10","1","9","10","2","8","1") = "9"
    & skf18("10","1","9","10","2","9","1") = "9"
    & skf18("10","1","9","10","2","10","1") = "9"
    & skf18("10","1","9","10","3","1","1") = "9"
    & skf18("10","1","9","10","3","2","1") = "9"
    & skf18("10","1","9","10","3","3","1") = "9"
    & skf18("10","1","9","10","3","4","1") = "9"
    & skf18("10","1","9","10","3","5","1") = "9"
    & skf18("10","1","9","10","3","6","1") = "9"
    & skf18("10","1","9","10","3","7","1") = "9"
    & skf18("10","1","9","10","3","8","1") = "9"
    & skf18("10","1","9","10","3","9","1") = "9"
    & skf18("10","1","9","10","3","10","1") = "9"
    & skf18("10","1","9","10","4","1","1") = "9"
    & skf18("10","1","9","10","4","2","1") = "9"
    & skf18("10","1","9","10","4","3","1") = "9"
    & skf18("10","1","9","10","4","4","1") = "9"
    & skf18("10","1","9","10","4","5","1") = "9"
    & skf18("10","1","9","10","4","6","1") = "9"
    & skf18("10","1","9","10","4","7","1") = "9"
    & skf18("10","1","9","10","4","8","1") = "9"
    & skf18("10","1","9","10","4","9","1") = "9"
    & skf18("10","1","9","10","4","10","1") = "9"
    & skf18("10","1","9","10","5","1","1") = "9"
    & skf18("10","1","9","10","5","2","1") = "9"
    & skf18("10","1","9","10","5","3","1") = "9"
    & skf18("10","1","9","10","5","4","1") = "9"
    & skf18("10","1","9","10","5","5","1") = "9"
    & skf18("10","1","9","10","5","6","1") = "9"
    & skf18("10","1","9","10","5","7","1") = "9"
    & skf18("10","1","9","10","5","8","1") = "9"
    & skf18("10","1","9","10","5","9","1") = "9"
    & skf18("10","1","9","10","5","10","1") = "9"
    & skf18("10","1","9","10","6","1","1") = "9"
    & skf18("10","1","9","10","6","2","1") = "9"
    & skf18("10","1","9","10","6","3","1") = "9"
    & skf18("10","1","9","10","6","4","1") = "9"
    & skf18("10","1","9","10","6","5","1") = "9"
    & skf18("10","1","9","10","6","6","1") = "9"
    & skf18("10","1","9","10","6","7","1") = "9"
    & skf18("10","1","9","10","6","8","1") = "9"
    & skf18("10","1","9","10","6","9","1") = "9"
    & skf18("10","1","9","10","6","10","1") = "9"
    & skf18("10","1","9","10","7","1","1") = "9"
    & skf18("10","1","9","10","7","2","1") = "9"
    & skf18("10","1","9","10","7","3","1") = "9"
    & skf18("10","1","9","10","7","4","1") = "9"
    & skf18("10","1","9","10","7","5","1") = "9"
    & skf18("10","1","9","10","7","6","1") = "9"
    & skf18("10","1","9","10","7","7","1") = "9"
    & skf18("10","1","9","10","7","8","1") = "9"
    & skf18("10","1","9","10","7","9","1") = "9"
    & skf18("10","1","9","10","7","10","1") = "9"
    & skf18("10","1","9","10","8","1","1") = "9"
    & skf18("10","1","9","10","8","2","1") = "9"
    & skf18("10","1","9","10","8","3","1") = "9"
    & skf18("10","1","9","10","8","4","1") = "9"
    & skf18("10","1","9","10","8","5","1") = "9"
    & skf18("10","1","9","10","8","6","1") = "9"
    & skf18("10","1","9","10","8","7","1") = "9"
    & skf18("10","1","9","10","8","8","1") = "9"
    & skf18("10","1","9","10","8","9","1") = "9"
    & skf18("10","1","9","10","8","10","1") = "9"
    & skf18("10","1","9","10","9","1","1") = "9"
    & skf18("10","1","9","10","9","2","1") = "9"
    & skf18("10","1","9","10","9","3","1") = "9"
    & skf18("10","1","9","10","9","4","1") = "9"
    & skf18("10","1","9","10","9","5","1") = "9"
    & skf18("10","1","9","10","9","6","1") = "9"
    & skf18("10","1","9","10","9","7","1") = "9"
    & skf18("10","1","9","10","9","8","1") = "9"
    & skf18("10","1","9","10","9","9","1") = "9"
    & skf18("10","1","9","10","9","10","1") = "9"
    & skf18("10","1","9","10","10","1","1") = "9"
    & skf18("10","1","9","10","10","2","1") = "9"
    & skf18("10","1","9","10","10","3","1") = "9"
    & skf18("10","1","9","10","10","4","1") = "9"
    & skf18("10","1","9","10","10","5","1") = "9"
    & skf18("10","1","9","10","10","6","1") = "9"
    & skf18("10","1","9","10","10","7","1") = "9"
    & skf18("10","1","9","10","10","8","1") = "9"
    & skf18("10","1","9","10","10","9","1") = "9"
    & skf18("10","1","9","10","10","10","1") = "9"
    & skf18("10","1","10","1","1","1","1") = "9"
    & skf18("10","1","10","1","1","2","1") = "9"
    & skf18("10","1","10","1","1","3","1") = "9"
    & skf18("10","1","10","1","1","4","1") = "9"
    & skf18("10","1","10","1","1","5","1") = "9"
    & skf18("10","1","10","1","1","6","1") = "9"
    & skf18("10","1","10","1","1","7","1") = "9"
    & skf18("10","1","10","1","1","8","1") = "9"
    & skf18("10","1","10","1","1","9","1") = "9"
    & skf18("10","1","10","1","1","10","1") = "9"
    & skf18("10","1","10","1","2","1","1") = "9"
    & skf18("10","1","10","1","2","2","1") = "9"
    & skf18("10","1","10","1","2","3","1") = "9"
    & skf18("10","1","10","1","2","4","1") = "9"
    & skf18("10","1","10","1","2","5","1") = "9"
    & skf18("10","1","10","1","2","6","1") = "9"
    & skf18("10","1","10","1","2","7","1") = "9"
    & skf18("10","1","10","1","2","8","1") = "9"
    & skf18("10","1","10","1","2","9","1") = "9"
    & skf18("10","1","10","1","2","10","1") = "9"
    & skf18("10","1","10","1","3","1","1") = "9"
    & skf18("10","1","10","1","3","2","1") = "9"
    & skf18("10","1","10","1","3","3","1") = "9"
    & skf18("10","1","10","1","3","4","1") = "9"
    & skf18("10","1","10","1","3","5","1") = "9"
    & skf18("10","1","10","1","3","6","1") = "9"
    & skf18("10","1","10","1","3","7","1") = "9"
    & skf18("10","1","10","1","3","8","1") = "9"
    & skf18("10","1","10","1","3","9","1") = "9"
    & skf18("10","1","10","1","3","10","1") = "9"
    & skf18("10","1","10","1","4","1","1") = "9"
    & skf18("10","1","10","1","4","2","1") = "9"
    & skf18("10","1","10","1","4","3","1") = "9"
    & skf18("10","1","10","1","4","4","1") = "9"
    & skf18("10","1","10","1","4","5","1") = "9"
    & skf18("10","1","10","1","4","6","1") = "9"
    & skf18("10","1","10","1","4","7","1") = "9"
    & skf18("10","1","10","1","4","8","1") = "9"
    & skf18("10","1","10","1","4","9","1") = "9"
    & skf18("10","1","10","1","4","10","1") = "9"
    & skf18("10","1","10","1","5","1","1") = "9"
    & skf18("10","1","10","1","5","2","1") = "9"
    & skf18("10","1","10","1","5","3","1") = "9"
    & skf18("10","1","10","1","5","4","1") = "9"
    & skf18("10","1","10","1","5","5","1") = "9"
    & skf18("10","1","10","1","5","6","1") = "9"
    & skf18("10","1","10","1","5","7","1") = "9"
    & skf18("10","1","10","1","5","8","1") = "9"
    & skf18("10","1","10","1","5","9","1") = "9"
    & skf18("10","1","10","1","5","10","1") = "9"
    & skf18("10","1","10","1","6","1","1") = "9"
    & skf18("10","1","10","1","6","2","1") = "9"
    & skf18("10","1","10","1","6","3","1") = "9"
    & skf18("10","1","10","1","6","4","1") = "9"
    & skf18("10","1","10","1","6","5","1") = "9"
    & skf18("10","1","10","1","6","6","1") = "9"
    & skf18("10","1","10","1","6","7","1") = "9"
    & skf18("10","1","10","1","6","8","1") = "9"
    & skf18("10","1","10","1","6","9","1") = "9"
    & skf18("10","1","10","1","6","10","1") = "9"
    & skf18("10","1","10","1","7","1","1") = "9"
    & skf18("10","1","10","1","7","2","1") = "9"
    & skf18("10","1","10","1","7","3","1") = "9"
    & skf18("10","1","10","1","7","4","1") = "9"
    & skf18("10","1","10","1","7","5","1") = "9"
    & skf18("10","1","10","1","7","6","1") = "9"
    & skf18("10","1","10","1","7","7","1") = "9"
    & skf18("10","1","10","1","7","8","1") = "9"
    & skf18("10","1","10","1","7","9","1") = "9"
    & skf18("10","1","10","1","7","10","1") = "9"
    & skf18("10","1","10","1","8","1","1") = "9"
    & skf18("10","1","10","1","8","2","1") = "9"
    & skf18("10","1","10","1","8","3","1") = "9"
    & skf18("10","1","10","1","8","4","1") = "9"
    & skf18("10","1","10","1","8","5","1") = "9"
    & skf18("10","1","10","1","8","6","1") = "9"
    & skf18("10","1","10","1","8","7","1") = "9"
    & skf18("10","1","10","1","8","8","1") = "9"
    & skf18("10","1","10","1","8","9","1") = "9"
    & skf18("10","1","10","1","8","10","1") = "9"
    & skf18("10","1","10","1","9","1","1") = "9"
    & skf18("10","1","10","1","9","2","1") = "9"
    & skf18("10","1","10","1","9","3","1") = "9"
    & skf18("10","1","10","1","9","4","1") = "9"
    & skf18("10","1","10","1","9","5","1") = "9"
    & skf18("10","1","10","1","9","6","1") = "9"
    & skf18("10","1","10","1","9","7","1") = "9"
    & skf18("10","1","10","1","9","8","1") = "9"
    & skf18("10","1","10","1","9","9","1") = "9"
    & skf18("10","1","10","1","9","10","1") = "9"
    & skf18("10","1","10","1","10","1","1") = "9"
    & skf18("10","1","10","1","10","2","1") = "9"
    & skf18("10","1","10","1","10","3","1") = "9"
    & skf18("10","1","10","1","10","4","1") = "9"
    & skf18("10","1","10","1","10","5","1") = "9"
    & skf18("10","1","10","1","10","6","1") = "9"
    & skf18("10","1","10","1","10","7","1") = "9"
    & skf18("10","1","10","1","10","8","1") = "9"
    & skf18("10","1","10","1","10","9","1") = "9"
    & skf18("10","1","10","1","10","10","1") = "9"
    & skf18("10","1","10","2","1","1","1") = "9"
    & skf18("10","1","10","2","1","2","1") = "9"
    & skf18("10","1","10","2","1","3","1") = "9"
    & skf18("10","1","10","2","1","4","1") = "9"
    & skf18("10","1","10","2","1","5","1") = "9"
    & skf18("10","1","10","2","1","6","1") = "9"
    & skf18("10","1","10","2","1","7","1") = "9"
    & skf18("10","1","10","2","1","8","1") = "9"
    & skf18("10","1","10","2","1","9","1") = "9"
    & skf18("10","1","10","2","1","10","1") = "9"
    & skf18("10","1","10","2","2","1","1") = "9"
    & skf18("10","1","10","2","2","2","1") = "9"
    & skf18("10","1","10","2","2","3","1") = "9"
    & skf18("10","1","10","2","2","4","1") = "9"
    & skf18("10","1","10","2","2","5","1") = "9"
    & skf18("10","1","10","2","2","6","1") = "9"
    & skf18("10","1","10","2","2","7","1") = "9"
    & skf18("10","1","10","2","2","8","1") = "9"
    & skf18("10","1","10","2","2","9","1") = "9"
    & skf18("10","1","10","2","2","10","1") = "9"
    & skf18("10","1","10","2","3","1","1") = "9"
    & skf18("10","1","10","2","3","2","1") = "9"
    & skf18("10","1","10","2","3","3","1") = "9"
    & skf18("10","1","10","2","3","4","1") = "9"
    & skf18("10","1","10","2","3","5","1") = "9"
    & skf18("10","1","10","2","3","6","1") = "9"
    & skf18("10","1","10","2","3","7","1") = "9"
    & skf18("10","1","10","2","3","8","1") = "9"
    & skf18("10","1","10","2","3","9","1") = "9"
    & skf18("10","1","10","2","3","10","1") = "9"
    & skf18("10","1","10","2","4","1","1") = "9"
    & skf18("10","1","10","2","4","2","1") = "9"
    & skf18("10","1","10","2","4","3","1") = "9"
    & skf18("10","1","10","2","4","4","1") = "9"
    & skf18("10","1","10","2","4","5","1") = "9"
    & skf18("10","1","10","2","4","6","1") = "9"
    & skf18("10","1","10","2","4","7","1") = "9"
    & skf18("10","1","10","2","4","8","1") = "9"
    & skf18("10","1","10","2","4","9","1") = "9"
    & skf18("10","1","10","2","4","10","1") = "9"
    & skf18("10","1","10","2","5","1","1") = "9"
    & skf18("10","1","10","2","5","2","1") = "9"
    & skf18("10","1","10","2","5","3","1") = "9"
    & skf18("10","1","10","2","5","4","1") = "9"
    & skf18("10","1","10","2","5","5","1") = "9"
    & skf18("10","1","10","2","5","6","1") = "9"
    & skf18("10","1","10","2","5","7","1") = "9"
    & skf18("10","1","10","2","5","8","1") = "9"
    & skf18("10","1","10","2","5","9","1") = "9"
    & skf18("10","1","10","2","5","10","1") = "9"
    & skf18("10","1","10","2","6","1","1") = "9"
    & skf18("10","1","10","2","6","2","1") = "9"
    & skf18("10","1","10","2","6","3","1") = "9"
    & skf18("10","1","10","2","6","4","1") = "9"
    & skf18("10","1","10","2","6","5","1") = "9"
    & skf18("10","1","10","2","6","6","1") = "9"
    & skf18("10","1","10","2","6","7","1") = "9"
    & skf18("10","1","10","2","6","8","1") = "9"
    & skf18("10","1","10","2","6","9","1") = "9"
    & skf18("10","1","10","2","6","10","1") = "9"
    & skf18("10","1","10","2","7","1","1") = "9"
    & skf18("10","1","10","2","7","2","1") = "9"
    & skf18("10","1","10","2","7","3","1") = "9"
    & skf18("10","1","10","2","7","4","1") = "9"
    & skf18("10","1","10","2","7","5","1") = "9"
    & skf18("10","1","10","2","7","6","1") = "9"
    & skf18("10","1","10","2","7","7","1") = "9"
    & skf18("10","1","10","2","7","8","1") = "9"
    & skf18("10","1","10","2","7","9","1") = "9"
    & skf18("10","1","10","2","7","10","1") = "9"
    & skf18("10","1","10","2","8","1","1") = "9"
    & skf18("10","1","10","2","8","2","1") = "9"
    & skf18("10","1","10","2","8","3","1") = "9"
    & skf18("10","1","10","2","8","4","1") = "9"
    & skf18("10","1","10","2","8","5","1") = "9"
    & skf18("10","1","10","2","8","6","1") = "9"
    & skf18("10","1","10","2","8","7","1") = "9"
    & skf18("10","1","10","2","8","8","1") = "9"
    & skf18("10","1","10","2","8","9","1") = "9"
    & skf18("10","1","10","2","8","10","1") = "9"
    & skf18("10","1","10","2","9","1","1") = "9"
    & skf18("10","1","10","2","9","2","1") = "9"
    & skf18("10","1","10","2","9","3","1") = "9"
    & skf18("10","1","10","2","9","4","1") = "9"
    & skf18("10","1","10","2","9","5","1") = "9"
    & skf18("10","1","10","2","9","6","1") = "9"
    & skf18("10","1","10","2","9","7","1") = "9"
    & skf18("10","1","10","2","9","8","1") = "9"
    & skf18("10","1","10","2","9","9","1") = "9"
    & skf18("10","1","10","2","9","10","1") = "9"
    & skf18("10","1","10","2","10","1","1") = "9"
    & skf18("10","1","10","2","10","2","1") = "9"
    & skf18("10","1","10","2","10","3","1") = "9"
    & skf18("10","1","10","2","10","4","1") = "9"
    & skf18("10","1","10","2","10","5","1") = "9"
    & skf18("10","1","10","2","10","6","1") = "9"
    & skf18("10","1","10","2","10","7","1") = "9"
    & skf18("10","1","10","2","10","8","1") = "9"
    & skf18("10","1","10","2","10","9","1") = "9"
    & skf18("10","1","10","2","10","10","1") = "9"
    & skf18("10","1","10","3","1","1","1") = "9"
    & skf18("10","1","10","3","1","2","1") = "9"
    & skf18("10","1","10","3","1","3","1") = "9"
    & skf18("10","1","10","3","1","4","1") = "9"
    & skf18("10","1","10","3","1","5","1") = "9"
    & skf18("10","1","10","3","1","6","1") = "9"
    & skf18("10","1","10","3","1","7","1") = "9"
    & skf18("10","1","10","3","1","8","1") = "9"
    & skf18("10","1","10","3","1","9","1") = "9"
    & skf18("10","1","10","3","1","10","1") = "9"
    & skf18("10","1","10","3","2","1","1") = "9"
    & skf18("10","1","10","3","2","2","1") = "9"
    & skf18("10","1","10","3","2","3","1") = "9"
    & skf18("10","1","10","3","2","4","1") = "9"
    & skf18("10","1","10","3","2","5","1") = "9"
    & skf18("10","1","10","3","2","6","1") = "9"
    & skf18("10","1","10","3","2","7","1") = "9"
    & skf18("10","1","10","3","2","8","1") = "9"
    & skf18("10","1","10","3","2","9","1") = "9"
    & skf18("10","1","10","3","2","10","1") = "9"
    & skf18("10","1","10","3","3","1","1") = "9"
    & skf18("10","1","10","3","3","2","1") = "9"
    & skf18("10","1","10","3","3","3","1") = "9"
    & skf18("10","1","10","3","3","4","1") = "9"
    & skf18("10","1","10","3","3","5","1") = "9"
    & skf18("10","1","10","3","3","6","1") = "9"
    & skf18("10","1","10","3","3","7","1") = "9"
    & skf18("10","1","10","3","3","8","1") = "9"
    & skf18("10","1","10","3","3","9","1") = "9"
    & skf18("10","1","10","3","3","10","1") = "9"
    & skf18("10","1","10","3","4","1","1") = "9"
    & skf18("10","1","10","3","4","2","1") = "9"
    & skf18("10","1","10","3","4","3","1") = "9"
    & skf18("10","1","10","3","4","4","1") = "9"
    & skf18("10","1","10","3","4","5","1") = "9"
    & skf18("10","1","10","3","4","6","1") = "9"
    & skf18("10","1","10","3","4","7","1") = "9"
    & skf18("10","1","10","3","4","8","1") = "9"
    & skf18("10","1","10","3","4","9","1") = "9"
    & skf18("10","1","10","3","4","10","1") = "9"
    & skf18("10","1","10","3","5","1","1") = "9"
    & skf18("10","1","10","3","5","2","1") = "9"
    & skf18("10","1","10","3","5","3","1") = "9"
    & skf18("10","1","10","3","5","4","1") = "9"
    & skf18("10","1","10","3","5","5","1") = "9"
    & skf18("10","1","10","3","5","6","1") = "9"
    & skf18("10","1","10","3","5","7","1") = "9"
    & skf18("10","1","10","3","5","8","1") = "9"
    & skf18("10","1","10","3","5","9","1") = "9"
    & skf18("10","1","10","3","5","10","1") = "9"
    & skf18("10","1","10","3","6","1","1") = "9"
    & skf18("10","1","10","3","6","2","1") = "9"
    & skf18("10","1","10","3","6","3","1") = "9"
    & skf18("10","1","10","3","6","4","1") = "9"
    & skf18("10","1","10","3","6","5","1") = "9"
    & skf18("10","1","10","3","6","6","1") = "9"
    & skf18("10","1","10","3","6","7","1") = "9"
    & skf18("10","1","10","3","6","8","1") = "9"
    & skf18("10","1","10","3","6","9","1") = "9"
    & skf18("10","1","10","3","6","10","1") = "9"
    & skf18("10","1","10","3","7","1","1") = "9"
    & skf18("10","1","10","3","7","2","1") = "9"
    & skf18("10","1","10","3","7","3","1") = "9"
    & skf18("10","1","10","3","7","4","1") = "9"
    & skf18("10","1","10","3","7","5","1") = "9"
    & skf18("10","1","10","3","7","6","1") = "9"
    & skf18("10","1","10","3","7","7","1") = "9"
    & skf18("10","1","10","3","7","8","1") = "9"
    & skf18("10","1","10","3","7","9","1") = "9"
    & skf18("10","1","10","3","7","10","1") = "9"
    & skf18("10","1","10","3","8","1","1") = "9"
    & skf18("10","1","10","3","8","2","1") = "9"
    & skf18("10","1","10","3","8","3","1") = "9"
    & skf18("10","1","10","3","8","4","1") = "9"
    & skf18("10","1","10","3","8","5","1") = "9"
    & skf18("10","1","10","3","8","6","1") = "9"
    & skf18("10","1","10","3","8","7","1") = "9"
    & skf18("10","1","10","3","8","8","1") = "9"
    & skf18("10","1","10","3","8","9","1") = "9"
    & skf18("10","1","10","3","8","10","1") = "9"
    & skf18("10","1","10","3","9","1","1") = "9"
    & skf18("10","1","10","3","9","2","1") = "9"
    & skf18("10","1","10","3","9","3","1") = "9"
    & skf18("10","1","10","3","9","4","1") = "9"
    & skf18("10","1","10","3","9","5","1") = "9"
    & skf18("10","1","10","3","9","6","1") = "9"
    & skf18("10","1","10","3","9","7","1") = "9"
    & skf18("10","1","10","3","9","8","1") = "9"
    & skf18("10","1","10","3","9","9","1") = "9"
    & skf18("10","1","10","3","9","10","1") = "9"
    & skf18("10","1","10","3","10","1","1") = "9"
    & skf18("10","1","10","3","10","2","1") = "9"
    & skf18("10","1","10","3","10","3","1") = "9"
    & skf18("10","1","10","3","10","4","1") = "9"
    & skf18("10","1","10","3","10","5","1") = "9"
    & skf18("10","1","10","3","10","6","1") = "9"
    & skf18("10","1","10","3","10","7","1") = "9"
    & skf18("10","1","10","3","10","8","1") = "9"
    & skf18("10","1","10","3","10","9","1") = "9"
    & skf18("10","1","10","3","10","10","1") = "9"
    & skf18("10","1","10","4","1","1","1") = "9"
    & skf18("10","1","10","4","1","2","1") = "9"
    & skf18("10","1","10","4","1","3","1") = "9"
    & skf18("10","1","10","4","1","4","1") = "9"
    & skf18("10","1","10","4","1","5","1") = "9"
    & skf18("10","1","10","4","1","6","1") = "9"
    & skf18("10","1","10","4","1","7","1") = "9"
    & skf18("10","1","10","4","1","8","1") = "9"
    & skf18("10","1","10","4","1","9","1") = "9"
    & skf18("10","1","10","4","1","10","1") = "9"
    & skf18("10","1","10","4","2","1","1") = "9"
    & skf18("10","1","10","4","2","2","1") = "9"
    & skf18("10","1","10","4","2","3","1") = "9"
    & skf18("10","1","10","4","2","4","1") = "9"
    & skf18("10","1","10","4","2","5","1") = "9"
    & skf18("10","1","10","4","2","6","1") = "9"
    & skf18("10","1","10","4","2","7","1") = "9"
    & skf18("10","1","10","4","2","8","1") = "9"
    & skf18("10","1","10","4","2","9","1") = "9"
    & skf18("10","1","10","4","2","10","1") = "9"
    & skf18("10","1","10","4","3","1","1") = "9"
    & skf18("10","1","10","4","3","2","1") = "9"
    & skf18("10","1","10","4","3","3","1") = "9"
    & skf18("10","1","10","4","3","4","1") = "9"
    & skf18("10","1","10","4","3","5","1") = "9"
    & skf18("10","1","10","4","3","6","1") = "9"
    & skf18("10","1","10","4","3","7","1") = "9"
    & skf18("10","1","10","4","3","8","1") = "9"
    & skf18("10","1","10","4","3","9","1") = "9"
    & skf18("10","1","10","4","3","10","1") = "9"
    & skf18("10","1","10","4","4","1","1") = "9"
    & skf18("10","1","10","4","4","2","1") = "9"
    & skf18("10","1","10","4","4","3","1") = "9"
    & skf18("10","1","10","4","4","4","1") = "9"
    & skf18("10","1","10","4","4","5","1") = "9"
    & skf18("10","1","10","4","4","6","1") = "9"
    & skf18("10","1","10","4","4","7","1") = "9"
    & skf18("10","1","10","4","4","8","1") = "9"
    & skf18("10","1","10","4","4","9","1") = "9"
    & skf18("10","1","10","4","4","10","1") = "9"
    & skf18("10","1","10","4","5","1","1") = "9"
    & skf18("10","1","10","4","5","2","1") = "9"
    & skf18("10","1","10","4","5","3","1") = "9"
    & skf18("10","1","10","4","5","4","1") = "9"
    & skf18("10","1","10","4","5","5","1") = "9"
    & skf18("10","1","10","4","5","6","1") = "9"
    & skf18("10","1","10","4","5","7","1") = "9"
    & skf18("10","1","10","4","5","8","1") = "9"
    & skf18("10","1","10","4","5","9","1") = "9"
    & skf18("10","1","10","4","5","10","1") = "9"
    & skf18("10","1","10","4","6","1","1") = "9"
    & skf18("10","1","10","4","6","2","1") = "9"
    & skf18("10","1","10","4","6","3","1") = "9"
    & skf18("10","1","10","4","6","4","1") = "9"
    & skf18("10","1","10","4","6","5","1") = "9"
    & skf18("10","1","10","4","6","6","1") = "9"
    & skf18("10","1","10","4","6","7","1") = "9"
    & skf18("10","1","10","4","6","8","1") = "9"
    & skf18("10","1","10","4","6","9","1") = "9"
    & skf18("10","1","10","4","6","10","1") = "9"
    & skf18("10","1","10","4","7","1","1") = "9"
    & skf18("10","1","10","4","7","2","1") = "9"
    & skf18("10","1","10","4","7","3","1") = "9"
    & skf18("10","1","10","4","7","4","1") = "9"
    & skf18("10","1","10","4","7","5","1") = "9"
    & skf18("10","1","10","4","7","6","1") = "9"
    & skf18("10","1","10","4","7","7","1") = "9"
    & skf18("10","1","10","4","7","8","1") = "9"
    & skf18("10","1","10","4","7","9","1") = "9"
    & skf18("10","1","10","4","7","10","1") = "9"
    & skf18("10","1","10","4","8","1","1") = "9"
    & skf18("10","1","10","4","8","2","1") = "9"
    & skf18("10","1","10","4","8","3","1") = "9"
    & skf18("10","1","10","4","8","4","1") = "9"
    & skf18("10","1","10","4","8","5","1") = "9"
    & skf18("10","1","10","4","8","6","1") = "9"
    & skf18("10","1","10","4","8","7","1") = "9"
    & skf18("10","1","10","4","8","8","1") = "9"
    & skf18("10","1","10","4","8","9","1") = "9"
    & skf18("10","1","10","4","8","10","1") = "9"
    & skf18("10","1","10","4","9","1","1") = "9"
    & skf18("10","1","10","4","9","2","1") = "9"
    & skf18("10","1","10","4","9","3","1") = "9"
    & skf18("10","1","10","4","9","4","1") = "9"
    & skf18("10","1","10","4","9","5","1") = "9"
    & skf18("10","1","10","4","9","6","1") = "9"
    & skf18("10","1","10","4","9","7","1") = "9"
    & skf18("10","1","10","4","9","8","1") = "9"
    & skf18("10","1","10","4","9","9","1") = "9"
    & skf18("10","1","10","4","9","10","1") = "9"
    & skf18("10","1","10","4","10","1","1") = "9"
    & skf18("10","1","10","4","10","2","1") = "9"
    & skf18("10","1","10","4","10","3","1") = "9"
    & skf18("10","1","10","4","10","4","1") = "9"
    & skf18("10","1","10","4","10","5","1") = "9"
    & skf18("10","1","10","4","10","6","1") = "9"
    & skf18("10","1","10","4","10","7","1") = "9"
    & skf18("10","1","10","4","10","8","1") = "9"
    & skf18("10","1","10","4","10","9","1") = "9"
    & skf18("10","1","10","4","10","10","1") = "9"
    & skf18("10","1","10","5","1","1","1") = "9"
    & skf18("10","1","10","5","1","2","1") = "9"
    & skf18("10","1","10","5","1","3","1") = "9"
    & skf18("10","1","10","5","1","4","1") = "9"
    & skf18("10","1","10","5","1","5","1") = "9"
    & skf18("10","1","10","5","1","6","1") = "9"
    & skf18("10","1","10","5","1","7","1") = "9"
    & skf18("10","1","10","5","1","8","1") = "9"
    & skf18("10","1","10","5","1","9","1") = "9"
    & skf18("10","1","10","5","1","10","1") = "9"
    & skf18("10","1","10","5","2","1","1") = "9"
    & skf18("10","1","10","5","2","2","1") = "9"
    & skf18("10","1","10","5","2","3","1") = "9"
    & skf18("10","1","10","5","2","4","1") = "9"
    & skf18("10","1","10","5","2","5","1") = "9"
    & skf18("10","1","10","5","2","6","1") = "9"
    & skf18("10","1","10","5","2","7","1") = "9"
    & skf18("10","1","10","5","2","8","1") = "9"
    & skf18("10","1","10","5","2","9","1") = "9"
    & skf18("10","1","10","5","2","10","1") = "9"
    & skf18("10","1","10","5","3","1","1") = "9"
    & skf18("10","1","10","5","3","2","1") = "9"
    & skf18("10","1","10","5","3","3","1") = "9"
    & skf18("10","1","10","5","3","4","1") = "9"
    & skf18("10","1","10","5","3","5","1") = "9"
    & skf18("10","1","10","5","3","6","1") = "9"
    & skf18("10","1","10","5","3","7","1") = "9"
    & skf18("10","1","10","5","3","8","1") = "9"
    & skf18("10","1","10","5","3","9","1") = "9"
    & skf18("10","1","10","5","3","10","1") = "9"
    & skf18("10","1","10","5","4","1","1") = "9"
    & skf18("10","1","10","5","4","2","1") = "9"
    & skf18("10","1","10","5","4","3","1") = "9"
    & skf18("10","1","10","5","4","4","1") = "9"
    & skf18("10","1","10","5","4","5","1") = "9"
    & skf18("10","1","10","5","4","6","1") = "9"
    & skf18("10","1","10","5","4","7","1") = "9"
    & skf18("10","1","10","5","4","8","1") = "9"
    & skf18("10","1","10","5","4","9","1") = "9"
    & skf18("10","1","10","5","4","10","1") = "9"
    & skf18("10","1","10","5","5","1","1") = "9"
    & skf18("10","1","10","5","5","2","1") = "9"
    & skf18("10","1","10","5","5","3","1") = "9"
    & skf18("10","1","10","5","5","4","1") = "9"
    & skf18("10","1","10","5","5","5","1") = "9"
    & skf18("10","1","10","5","5","6","1") = "9"
    & skf18("10","1","10","5","5","7","1") = "9"
    & skf18("10","1","10","5","5","8","1") = "9"
    & skf18("10","1","10","5","5","9","1") = "9"
    & skf18("10","1","10","5","5","10","1") = "9"
    & skf18("10","1","10","5","6","1","1") = "9"
    & skf18("10","1","10","5","6","2","1") = "9"
    & skf18("10","1","10","5","6","3","1") = "9"
    & skf18("10","1","10","5","6","4","1") = "9"
    & skf18("10","1","10","5","6","5","1") = "9"
    & skf18("10","1","10","5","6","6","1") = "9"
    & skf18("10","1","10","5","6","7","1") = "9"
    & skf18("10","1","10","5","6","8","1") = "9"
    & skf18("10","1","10","5","6","9","1") = "9"
    & skf18("10","1","10","5","6","10","1") = "9"
    & skf18("10","1","10","5","7","1","1") = "9"
    & skf18("10","1","10","5","7","2","1") = "9"
    & skf18("10","1","10","5","7","3","1") = "9"
    & skf18("10","1","10","5","7","4","1") = "9"
    & skf18("10","1","10","5","7","5","1") = "9"
    & skf18("10","1","10","5","7","6","1") = "9"
    & skf18("10","1","10","5","7","7","1") = "9"
    & skf18("10","1","10","5","7","8","1") = "9"
    & skf18("10","1","10","5","7","9","1") = "9"
    & skf18("10","1","10","5","7","10","1") = "9"
    & skf18("10","1","10","5","8","1","1") = "9"
    & skf18("10","1","10","5","8","2","1") = "9"
    & skf18("10","1","10","5","8","3","1") = "9"
    & skf18("10","1","10","5","8","4","1") = "9"
    & skf18("10","1","10","5","8","5","1") = "9"
    & skf18("10","1","10","5","8","6","1") = "9"
    & skf18("10","1","10","5","8","7","1") = "9"
    & skf18("10","1","10","5","8","8","1") = "9"
    & skf18("10","1","10","5","8","9","1") = "9"
    & skf18("10","1","10","5","8","10","1") = "9"
    & skf18("10","1","10","5","9","1","1") = "9"
    & skf18("10","1","10","5","9","2","1") = "9"
    & skf18("10","1","10","5","9","3","1") = "9"
    & skf18("10","1","10","5","9","4","1") = "9"
    & skf18("10","1","10","5","9","5","1") = "9"
    & skf18("10","1","10","5","9","6","1") = "9"
    & skf18("10","1","10","5","9","7","1") = "9"
    & skf18("10","1","10","5","9","8","1") = "9"
    & skf18("10","1","10","5","9","9","1") = "9"
    & skf18("10","1","10","5","9","10","1") = "9"
    & skf18("10","1","10","5","10","1","1") = "9"
    & skf18("10","1","10","5","10","2","1") = "9"
    & skf18("10","1","10","5","10","3","1") = "9"
    & skf18("10","1","10","5","10","4","1") = "9"
    & skf18("10","1","10","5","10","5","1") = "9"
    & skf18("10","1","10","5","10","6","1") = "9"
    & skf18("10","1","10","5","10","7","1") = "9"
    & skf18("10","1","10","5","10","8","1") = "9"
    & skf18("10","1","10","5","10","9","1") = "9"
    & skf18("10","1","10","5","10","10","1") = "9"
    & skf18("10","1","10","6","1","1","1") = "9"
    & skf18("10","1","10","6","1","2","1") = "9"
    & skf18("10","1","10","6","1","3","1") = "9"
    & skf18("10","1","10","6","1","4","1") = "9"
    & skf18("10","1","10","6","1","5","1") = "9"
    & skf18("10","1","10","6","1","6","1") = "9"
    & skf18("10","1","10","6","1","7","1") = "9"
    & skf18("10","1","10","6","1","8","1") = "9"
    & skf18("10","1","10","6","1","9","1") = "9"
    & skf18("10","1","10","6","1","10","1") = "9"
    & skf18("10","1","10","6","2","1","1") = "9"
    & skf18("10","1","10","6","2","2","1") = "9"
    & skf18("10","1","10","6","2","3","1") = "9"
    & skf18("10","1","10","6","2","4","1") = "9"
    & skf18("10","1","10","6","2","5","1") = "9"
    & skf18("10","1","10","6","2","6","1") = "9"
    & skf18("10","1","10","6","2","7","1") = "9"
    & skf18("10","1","10","6","2","8","1") = "9"
    & skf18("10","1","10","6","2","9","1") = "9"
    & skf18("10","1","10","6","2","10","1") = "9"
    & skf18("10","1","10","6","3","1","1") = "9"
    & skf18("10","1","10","6","3","2","1") = "9"
    & skf18("10","1","10","6","3","3","1") = "9"
    & skf18("10","1","10","6","3","4","1") = "9"
    & skf18("10","1","10","6","3","5","1") = "9"
    & skf18("10","1","10","6","3","6","1") = "9"
    & skf18("10","1","10","6","3","7","1") = "9"
    & skf18("10","1","10","6","3","8","1") = "9"
    & skf18("10","1","10","6","3","9","1") = "9"
    & skf18("10","1","10","6","3","10","1") = "9"
    & skf18("10","1","10","6","4","1","1") = "9"
    & skf18("10","1","10","6","4","2","1") = "9"
    & skf18("10","1","10","6","4","3","1") = "9"
    & skf18("10","1","10","6","4","4","1") = "9"
    & skf18("10","1","10","6","4","5","1") = "9"
    & skf18("10","1","10","6","4","6","1") = "9"
    & skf18("10","1","10","6","4","7","1") = "9"
    & skf18("10","1","10","6","4","8","1") = "9"
    & skf18("10","1","10","6","4","9","1") = "9"
    & skf18("10","1","10","6","4","10","1") = "9"
    & skf18("10","1","10","6","5","1","1") = "9"
    & skf18("10","1","10","6","5","2","1") = "9"
    & skf18("10","1","10","6","5","3","1") = "9"
    & skf18("10","1","10","6","5","4","1") = "9"
    & skf18("10","1","10","6","5","5","1") = "9"
    & skf18("10","1","10","6","5","6","1") = "9"
    & skf18("10","1","10","6","5","7","1") = "9"
    & skf18("10","1","10","6","5","8","1") = "9"
    & skf18("10","1","10","6","5","9","1") = "9"
    & skf18("10","1","10","6","5","10","1") = "9"
    & skf18("10","1","10","6","6","1","1") = "9"
    & skf18("10","1","10","6","6","2","1") = "9"
    & skf18("10","1","10","6","6","3","1") = "9"
    & skf18("10","1","10","6","6","4","1") = "9"
    & skf18("10","1","10","6","6","5","1") = "9"
    & skf18("10","1","10","6","6","6","1") = "9"
    & skf18("10","1","10","6","6","7","1") = "9"
    & skf18("10","1","10","6","6","8","1") = "9"
    & skf18("10","1","10","6","6","9","1") = "9"
    & skf18("10","1","10","6","6","10","1") = "9"
    & skf18("10","1","10","6","7","1","1") = "9"
    & skf18("10","1","10","6","7","2","1") = "9"
    & skf18("10","1","10","6","7","3","1") = "9"
    & skf18("10","1","10","6","7","4","1") = "9"
    & skf18("10","1","10","6","7","5","1") = "9"
    & skf18("10","1","10","6","7","6","1") = "9"
    & skf18("10","1","10","6","7","7","1") = "9"
    & skf18("10","1","10","6","7","8","1") = "9"
    & skf18("10","1","10","6","7","9","1") = "9"
    & skf18("10","1","10","6","7","10","1") = "9"
    & skf18("10","1","10","6","8","1","1") = "9"
    & skf18("10","1","10","6","8","2","1") = "9"
    & skf18("10","1","10","6","8","3","1") = "9"
    & skf18("10","1","10","6","8","4","1") = "9"
    & skf18("10","1","10","6","8","5","1") = "9"
    & skf18("10","1","10","6","8","6","1") = "9"
    & skf18("10","1","10","6","8","7","1") = "9"
    & skf18("10","1","10","6","8","8","1") = "9"
    & skf18("10","1","10","6","8","9","1") = "9"
    & skf18("10","1","10","6","8","10","1") = "9"
    & skf18("10","1","10","6","9","1","1") = "9"
    & skf18("10","1","10","6","9","2","1") = "9"
    & skf18("10","1","10","6","9","3","1") = "9"
    & skf18("10","1","10","6","9","4","1") = "9"
    & skf18("10","1","10","6","9","5","1") = "9"
    & skf18("10","1","10","6","9","6","1") = "9"
    & skf18("10","1","10","6","9","7","1") = "9"
    & skf18("10","1","10","6","9","8","1") = "9"
    & skf18("10","1","10","6","9","9","1") = "9"
    & skf18("10","1","10","6","9","10","1") = "9"
    & skf18("10","1","10","6","10","1","1") = "9"
    & skf18("10","1","10","6","10","2","1") = "9"
    & skf18("10","1","10","6","10","3","1") = "9"
    & skf18("10","1","10","6","10","4","1") = "9"
    & skf18("10","1","10","6","10","5","1") = "9"
    & skf18("10","1","10","6","10","6","1") = "9"
    & skf18("10","1","10","6","10","7","1") = "9"
    & skf18("10","1","10","6","10","8","1") = "9"
    & skf18("10","1","10","6","10","9","1") = "9"
    & skf18("10","1","10","6","10","10","1") = "9"
    & skf18("10","1","10","7","1","1","1") = "9"
    & skf18("10","1","10","7","1","2","1") = "9"
    & skf18("10","1","10","7","1","3","1") = "9"
    & skf18("10","1","10","7","1","4","1") = "9"
    & skf18("10","1","10","7","1","5","1") = "9"
    & skf18("10","1","10","7","1","6","1") = "9"
    & skf18("10","1","10","7","1","7","1") = "9"
    & skf18("10","1","10","7","1","8","1") = "9"
    & skf18("10","1","10","7","1","9","1") = "9"
    & skf18("10","1","10","7","1","10","1") = "9"
    & skf18("10","1","10","7","2","1","1") = "9"
    & skf18("10","1","10","7","2","2","1") = "9"
    & skf18("10","1","10","7","2","3","1") = "9"
    & skf18("10","1","10","7","2","4","1") = "9"
    & skf18("10","1","10","7","2","5","1") = "9"
    & skf18("10","1","10","7","2","6","1") = "9"
    & skf18("10","1","10","7","2","7","1") = "9"
    & skf18("10","1","10","7","2","8","1") = "9"
    & skf18("10","1","10","7","2","9","1") = "9"
    & skf18("10","1","10","7","2","10","1") = "9"
    & skf18("10","1","10","7","3","1","1") = "9"
    & skf18("10","1","10","7","3","2","1") = "9"
    & skf18("10","1","10","7","3","3","1") = "9"
    & skf18("10","1","10","7","3","4","1") = "9"
    & skf18("10","1","10","7","3","5","1") = "9"
    & skf18("10","1","10","7","3","6","1") = "9"
    & skf18("10","1","10","7","3","7","1") = "9"
    & skf18("10","1","10","7","3","8","1") = "9"
    & skf18("10","1","10","7","3","9","1") = "9"
    & skf18("10","1","10","7","3","10","1") = "9"
    & skf18("10","1","10","7","4","1","1") = "9"
    & skf18("10","1","10","7","4","2","1") = "9"
    & skf18("10","1","10","7","4","3","1") = "9"
    & skf18("10","1","10","7","4","4","1") = "9"
    & skf18("10","1","10","7","4","5","1") = "9"
    & skf18("10","1","10","7","4","6","1") = "9"
    & skf18("10","1","10","7","4","7","1") = "9"
    & skf18("10","1","10","7","4","8","1") = "9"
    & skf18("10","1","10","7","4","9","1") = "9"
    & skf18("10","1","10","7","4","10","1") = "9"
    & skf18("10","1","10","7","5","1","1") = "9"
    & skf18("10","1","10","7","5","2","1") = "9"
    & skf18("10","1","10","7","5","3","1") = "9"
    & skf18("10","1","10","7","5","4","1") = "9"
    & skf18("10","1","10","7","5","5","1") = "9"
    & skf18("10","1","10","7","5","6","1") = "9"
    & skf18("10","1","10","7","5","7","1") = "9"
    & skf18("10","1","10","7","5","8","1") = "9"
    & skf18("10","1","10","7","5","9","1") = "9"
    & skf18("10","1","10","7","5","10","1") = "9"
    & skf18("10","1","10","7","6","1","1") = "9"
    & skf18("10","1","10","7","6","2","1") = "9"
    & skf18("10","1","10","7","6","3","1") = "9"
    & skf18("10","1","10","7","6","4","1") = "9"
    & skf18("10","1","10","7","6","5","1") = "9"
    & skf18("10","1","10","7","6","6","1") = "9"
    & skf18("10","1","10","7","6","7","1") = "9"
    & skf18("10","1","10","7","6","8","1") = "9"
    & skf18("10","1","10","7","6","9","1") = "9"
    & skf18("10","1","10","7","6","10","1") = "9"
    & skf18("10","1","10","7","7","1","1") = "9"
    & skf18("10","1","10","7","7","2","1") = "9"
    & skf18("10","1","10","7","7","3","1") = "9"
    & skf18("10","1","10","7","7","4","1") = "9"
    & skf18("10","1","10","7","7","5","1") = "9"
    & skf18("10","1","10","7","7","6","1") = "9"
    & skf18("10","1","10","7","7","7","1") = "9"
    & skf18("10","1","10","7","7","8","1") = "9"
    & skf18("10","1","10","7","7","9","1") = "9"
    & skf18("10","1","10","7","7","10","1") = "9"
    & skf18("10","1","10","7","8","1","1") = "9"
    & skf18("10","1","10","7","8","2","1") = "9"
    & skf18("10","1","10","7","8","3","1") = "9"
    & skf18("10","1","10","7","8","4","1") = "9"
    & skf18("10","1","10","7","8","5","1") = "9"
    & skf18("10","1","10","7","8","6","1") = "9"
    & skf18("10","1","10","7","8","7","1") = "9"
    & skf18("10","1","10","7","8","8","1") = "9"
    & skf18("10","1","10","7","8","9","1") = "9"
    & skf18("10","1","10","7","8","10","1") = "9"
    & skf18("10","1","10","7","9","1","1") = "9"
    & skf18("10","1","10","7","9","2","1") = "9"
    & skf18("10","1","10","7","9","3","1") = "9"
    & skf18("10","1","10","7","9","4","1") = "9"
    & skf18("10","1","10","7","9","5","1") = "9"
    & skf18("10","1","10","7","9","6","1") = "9"
    & skf18("10","1","10","7","9","7","1") = "9"
    & skf18("10","1","10","7","9","8","1") = "9"
    & skf18("10","1","10","7","9","9","1") = "9"
    & skf18("10","1","10","7","9","10","1") = "9"
    & skf18("10","1","10","7","10","1","1") = "9"
    & skf18("10","1","10","7","10","2","1") = "9"
    & skf18("10","1","10","7","10","3","1") = "9"
    & skf18("10","1","10","7","10","4","1") = "9"
    & skf18("10","1","10","7","10","5","1") = "9"
    & skf18("10","1","10","7","10","6","1") = "9"
    & skf18("10","1","10","7","10","7","1") = "9"
    & skf18("10","1","10","7","10","8","1") = "9"
    & skf18("10","1","10","7","10","9","1") = "9"
    & skf18("10","1","10","7","10","10","1") = "9"
    & skf18("10","1","10","8","1","1","1") = "9"
    & skf18("10","1","10","8","1","2","1") = "9"
    & skf18("10","1","10","8","1","3","1") = "9"
    & skf18("10","1","10","8","1","4","1") = "9"
    & skf18("10","1","10","8","1","5","1") = "9"
    & skf18("10","1","10","8","1","6","1") = "9"
    & skf18("10","1","10","8","1","7","1") = "9"
    & skf18("10","1","10","8","1","8","1") = "9"
    & skf18("10","1","10","8","1","9","1") = "9"
    & skf18("10","1","10","8","1","10","1") = "9"
    & skf18("10","1","10","8","2","1","1") = "9"
    & skf18("10","1","10","8","2","2","1") = "9"
    & skf18("10","1","10","8","2","3","1") = "9"
    & skf18("10","1","10","8","2","4","1") = "9"
    & skf18("10","1","10","8","2","5","1") = "9"
    & skf18("10","1","10","8","2","6","1") = "9"
    & skf18("10","1","10","8","2","7","1") = "9"
    & skf18("10","1","10","8","2","8","1") = "9"
    & skf18("10","1","10","8","2","9","1") = "9"
    & skf18("10","1","10","8","2","10","1") = "9"
    & skf18("10","1","10","8","3","1","1") = "9"
    & skf18("10","1","10","8","3","2","1") = "9"
    & skf18("10","1","10","8","3","3","1") = "9"
    & skf18("10","1","10","8","3","4","1") = "9"
    & skf18("10","1","10","8","3","5","1") = "9"
    & skf18("10","1","10","8","3","6","1") = "9"
    & skf18("10","1","10","8","3","7","1") = "9"
    & skf18("10","1","10","8","3","8","1") = "9"
    & skf18("10","1","10","8","3","9","1") = "9"
    & skf18("10","1","10","8","3","10","1") = "9"
    & skf18("10","1","10","8","4","1","1") = "9"
    & skf18("10","1","10","8","4","2","1") = "9"
    & skf18("10","1","10","8","4","3","1") = "9"
    & skf18("10","1","10","8","4","4","1") = "9"
    & skf18("10","1","10","8","4","5","1") = "9"
    & skf18("10","1","10","8","4","6","1") = "9"
    & skf18("10","1","10","8","4","7","1") = "9"
    & skf18("10","1","10","8","4","8","1") = "9"
    & skf18("10","1","10","8","4","9","1") = "9"
    & skf18("10","1","10","8","4","10","1") = "9"
    & skf18("10","1","10","8","5","1","1") = "9"
    & skf18("10","1","10","8","5","2","1") = "9"
    & skf18("10","1","10","8","5","3","1") = "9"
    & skf18("10","1","10","8","5","4","1") = "9"
    & skf18("10","1","10","8","5","5","1") = "9"
    & skf18("10","1","10","8","5","6","1") = "9"
    & skf18("10","1","10","8","5","7","1") = "9"
    & skf18("10","1","10","8","5","8","1") = "9"
    & skf18("10","1","10","8","5","9","1") = "9"
    & skf18("10","1","10","8","5","10","1") = "9"
    & skf18("10","1","10","8","6","1","1") = "9"
    & skf18("10","1","10","8","6","2","1") = "9"
    & skf18("10","1","10","8","6","3","1") = "9"
    & skf18("10","1","10","8","6","4","1") = "9"
    & skf18("10","1","10","8","6","5","1") = "9"
    & skf18("10","1","10","8","6","6","1") = "9"
    & skf18("10","1","10","8","6","7","1") = "9"
    & skf18("10","1","10","8","6","8","1") = "9"
    & skf18("10","1","10","8","6","9","1") = "9"
    & skf18("10","1","10","8","6","10","1") = "9"
    & skf18("10","1","10","8","7","1","1") = "9"
    & skf18("10","1","10","8","7","2","1") = "9"
    & skf18("10","1","10","8","7","3","1") = "9"
    & skf18("10","1","10","8","7","4","1") = "9"
    & skf18("10","1","10","8","7","5","1") = "9"
    & skf18("10","1","10","8","7","6","1") = "9"
    & skf18("10","1","10","8","7","7","1") = "9"
    & skf18("10","1","10","8","7","8","1") = "9"
    & skf18("10","1","10","8","7","9","1") = "9"
    & skf18("10","1","10","8","7","10","1") = "9"
    & skf18("10","1","10","8","8","1","1") = "9"
    & skf18("10","1","10","8","8","2","1") = "9"
    & skf18("10","1","10","8","8","3","1") = "9"
    & skf18("10","1","10","8","8","4","1") = "9"
    & skf18("10","1","10","8","8","5","1") = "9"
    & skf18("10","1","10","8","8","6","1") = "9"
    & skf18("10","1","10","8","8","7","1") = "9"
    & skf18("10","1","10","8","8","8","1") = "9"
    & skf18("10","1","10","8","8","9","1") = "9"
    & skf18("10","1","10","8","8","10","1") = "9"
    & skf18("10","1","10","8","9","1","1") = "9"
    & skf18("10","1","10","8","9","2","1") = "9"
    & skf18("10","1","10","8","9","3","1") = "9"
    & skf18("10","1","10","8","9","4","1") = "9"
    & skf18("10","1","10","8","9","5","1") = "9"
    & skf18("10","1","10","8","9","6","1") = "9"
    & skf18("10","1","10","8","9","7","1") = "9"
    & skf18("10","1","10","8","9","8","1") = "9"
    & skf18("10","1","10","8","9","9","1") = "9"
    & skf18("10","1","10","8","9","10","1") = "9"
    & skf18("10","1","10","8","10","1","1") = "9"
    & skf18("10","1","10","8","10","2","1") = "9"
    & skf18("10","1","10","8","10","3","1") = "9"
    & skf18("10","1","10","8","10","4","1") = "9"
    & skf18("10","1","10","8","10","5","1") = "9"
    & skf18("10","1","10","8","10","6","1") = "9"
    & skf18("10","1","10","8","10","7","1") = "9"
    & skf18("10","1","10","8","10","8","1") = "9"
    & skf18("10","1","10","8","10","9","1") = "9"
    & skf18("10","1","10","8","10","10","1") = "9"
    & skf18("10","1","10","9","1","1","1") = "9"
    & skf18("10","1","10","9","1","2","1") = "9"
    & skf18("10","1","10","9","1","3","1") = "9"
    & skf18("10","1","10","9","1","4","1") = "9"
    & skf18("10","1","10","9","1","5","1") = "9"
    & skf18("10","1","10","9","1","6","1") = "9"
    & skf18("10","1","10","9","1","7","1") = "9"
    & skf18("10","1","10","9","1","8","1") = "9"
    & skf18("10","1","10","9","1","9","1") = "9"
    & skf18("10","1","10","9","1","10","1") = "9"
    & skf18("10","1","10","9","2","1","1") = "9"
    & skf18("10","1","10","9","2","2","1") = "9"
    & skf18("10","1","10","9","2","3","1") = "9"
    & skf18("10","1","10","9","2","4","1") = "9"
    & skf18("10","1","10","9","2","5","1") = "9"
    & skf18("10","1","10","9","2","6","1") = "9"
    & skf18("10","1","10","9","2","7","1") = "9"
    & skf18("10","1","10","9","2","8","1") = "9"
    & skf18("10","1","10","9","2","9","1") = "9"
    & skf18("10","1","10","9","2","10","1") = "9"
    & skf18("10","1","10","9","3","1","1") = "9"
    & skf18("10","1","10","9","3","2","1") = "9"
    & skf18("10","1","10","9","3","3","1") = "9"
    & skf18("10","1","10","9","3","4","1") = "9"
    & skf18("10","1","10","9","3","5","1") = "9"
    & skf18("10","1","10","9","3","6","1") = "9"
    & skf18("10","1","10","9","3","7","1") = "9"
    & skf18("10","1","10","9","3","8","1") = "9"
    & skf18("10","1","10","9","3","9","1") = "9"
    & skf18("10","1","10","9","3","10","1") = "9"
    & skf18("10","1","10","9","4","1","1") = "9"
    & skf18("10","1","10","9","4","2","1") = "9"
    & skf18("10","1","10","9","4","3","1") = "9"
    & skf18("10","1","10","9","4","4","1") = "9"
    & skf18("10","1","10","9","4","5","1") = "9"
    & skf18("10","1","10","9","4","6","1") = "9"
    & skf18("10","1","10","9","4","7","1") = "9"
    & skf18("10","1","10","9","4","8","1") = "9"
    & skf18("10","1","10","9","4","9","1") = "9"
    & skf18("10","1","10","9","4","10","1") = "9"
    & skf18("10","1","10","9","5","1","1") = "9"
    & skf18("10","1","10","9","5","2","1") = "9"
    & skf18("10","1","10","9","5","3","1") = "9"
    & skf18("10","1","10","9","5","4","1") = "9"
    & skf18("10","1","10","9","5","5","1") = "9"
    & skf18("10","1","10","9","5","6","1") = "9"
    & skf18("10","1","10","9","5","7","1") = "9"
    & skf18("10","1","10","9","5","8","1") = "9"
    & skf18("10","1","10","9","5","9","1") = "9"
    & skf18("10","1","10","9","5","10","1") = "9"
    & skf18("10","1","10","9","6","1","1") = "9"
    & skf18("10","1","10","9","6","2","1") = "9"
    & skf18("10","1","10","9","6","3","1") = "9"
    & skf18("10","1","10","9","6","4","1") = "9"
    & skf18("10","1","10","9","6","5","1") = "9"
    & skf18("10","1","10","9","6","6","1") = "9"
    & skf18("10","1","10","9","6","7","1") = "9"
    & skf18("10","1","10","9","6","8","1") = "9"
    & skf18("10","1","10","9","6","9","1") = "9"
    & skf18("10","1","10","9","6","10","1") = "9"
    & skf18("10","1","10","9","7","1","1") = "9"
    & skf18("10","1","10","9","7","2","1") = "9"
    & skf18("10","1","10","9","7","3","1") = "9"
    & skf18("10","1","10","9","7","4","1") = "9"
    & skf18("10","1","10","9","7","5","1") = "9"
    & skf18("10","1","10","9","7","6","1") = "9"
    & skf18("10","1","10","9","7","7","1") = "9"
    & skf18("10","1","10","9","7","8","1") = "9"
    & skf18("10","1","10","9","7","9","1") = "9"
    & skf18("10","1","10","9","7","10","1") = "9"
    & skf18("10","1","10","9","8","1","1") = "9"
    & skf18("10","1","10","9","8","2","1") = "9"
    & skf18("10","1","10","9","8","3","1") = "9"
    & skf18("10","1","10","9","8","4","1") = "9"
    & skf18("10","1","10","9","8","5","1") = "9"
    & skf18("10","1","10","9","8","6","1") = "9"
    & skf18("10","1","10","9","8","7","1") = "9"
    & skf18("10","1","10","9","8","8","1") = "9"
    & skf18("10","1","10","9","8","9","1") = "9"
    & skf18("10","1","10","9","8","10","1") = "9"
    & skf18("10","1","10","9","9","1","1") = "9"
    & skf18("10","1","10","9","9","2","1") = "9"
    & skf18("10","1","10","9","9","3","1") = "9"
    & skf18("10","1","10","9","9","4","1") = "9"
    & skf18("10","1","10","9","9","5","1") = "9"
    & skf18("10","1","10","9","9","6","1") = "9"
    & skf18("10","1","10","9","9","7","1") = "9"
    & skf18("10","1","10","9","9","8","1") = "9"
    & skf18("10","1","10","9","9","9","1") = "9"
    & skf18("10","1","10","9","9","10","1") = "9"
    & skf18("10","1","10","9","10","1","1") = "9"
    & skf18("10","1","10","9","10","2","1") = "9"
    & skf18("10","1","10","9","10","3","1") = "9"
    & skf18("10","1","10","9","10","4","1") = "9"
    & skf18("10","1","10","9","10","5","1") = "9"
    & skf18("10","1","10","9","10","6","1") = "9"
    & skf18("10","1","10","9","10","7","1") = "9"
    & skf18("10","1","10","9","10","8","1") = "9"
    & skf18("10","1","10","9","10","9","1") = "9"
    & skf18("10","1","10","9","10","10","1") = "9"
    & skf18("10","1","10","10","1","1","1") = "9"
    & skf18("10","1","10","10","1","2","1") = "9"
    & skf18("10","1","10","10","1","3","1") = "9"
    & skf18("10","1","10","10","1","4","1") = "9"
    & skf18("10","1","10","10","1","5","1") = "9"
    & skf18("10","1","10","10","1","6","1") = "9"
    & skf18("10","1","10","10","1","7","1") = "9"
    & skf18("10","1","10","10","1","8","1") = "9"
    & skf18("10","1","10","10","1","9","1") = "9"
    & skf18("10","1","10","10","1","10","1") = "9"
    & skf18("10","1","10","10","2","1","1") = "9"
    & skf18("10","1","10","10","2","2","1") = "9"
    & skf18("10","1","10","10","2","3","1") = "9"
    & skf18("10","1","10","10","2","4","1") = "9"
    & skf18("10","1","10","10","2","5","1") = "9"
    & skf18("10","1","10","10","2","6","1") = "9"
    & skf18("10","1","10","10","2","7","1") = "9"
    & skf18("10","1","10","10","2","8","1") = "9"
    & skf18("10","1","10","10","2","9","1") = "9"
    & skf18("10","1","10","10","2","10","1") = "9"
    & skf18("10","1","10","10","3","1","1") = "9"
    & skf18("10","1","10","10","3","2","1") = "9"
    & skf18("10","1","10","10","3","3","1") = "9"
    & skf18("10","1","10","10","3","4","1") = "9"
    & skf18("10","1","10","10","3","5","1") = "9"
    & skf18("10","1","10","10","3","6","1") = "9"
    & skf18("10","1","10","10","3","7","1") = "9"
    & skf18("10","1","10","10","3","8","1") = "9"
    & skf18("10","1","10","10","3","9","1") = "9"
    & skf18("10","1","10","10","3","10","1") = "9"
    & skf18("10","1","10","10","4","1","1") = "9"
    & skf18("10","1","10","10","4","2","1") = "9"
    & skf18("10","1","10","10","4","3","1") = "9"
    & skf18("10","1","10","10","4","4","1") = "9"
    & skf18("10","1","10","10","4","5","1") = "9"
    & skf18("10","1","10","10","4","6","1") = "9"
    & skf18("10","1","10","10","4","7","1") = "9"
    & skf18("10","1","10","10","4","8","1") = "9"
    & skf18("10","1","10","10","4","9","1") = "9"
    & skf18("10","1","10","10","4","10","1") = "9"
    & skf18("10","1","10","10","5","1","1") = "9"
    & skf18("10","1","10","10","5","2","1") = "9"
    & skf18("10","1","10","10","5","3","1") = "9"
    & skf18("10","1","10","10","5","4","1") = "9"
    & skf18("10","1","10","10","5","5","1") = "9"
    & skf18("10","1","10","10","5","6","1") = "9"
    & skf18("10","1","10","10","5","7","1") = "9"
    & skf18("10","1","10","10","5","8","1") = "9"
    & skf18("10","1","10","10","5","9","1") = "9"
    & skf18("10","1","10","10","5","10","1") = "9"
    & skf18("10","1","10","10","6","1","1") = "9"
    & skf18("10","1","10","10","6","2","1") = "9"
    & skf18("10","1","10","10","6","3","1") = "9"
    & skf18("10","1","10","10","6","4","1") = "9"
    & skf18("10","1","10","10","6","5","1") = "9"
    & skf18("10","1","10","10","6","6","1") = "9"
    & skf18("10","1","10","10","6","7","1") = "9"
    & skf18("10","1","10","10","6","8","1") = "9"
    & skf18("10","1","10","10","6","9","1") = "9"
    & skf18("10","1","10","10","6","10","1") = "9"
    & skf18("10","1","10","10","7","1","1") = "9"
    & skf18("10","1","10","10","7","2","1") = "9"
    & skf18("10","1","10","10","7","3","1") = "9"
    & skf18("10","1","10","10","7","4","1") = "9"
    & skf18("10","1","10","10","7","5","1") = "9"
    & skf18("10","1","10","10","7","6","1") = "9"
    & skf18("10","1","10","10","7","7","1") = "9"
    & skf18("10","1","10","10","7","8","1") = "9"
    & skf18("10","1","10","10","7","9","1") = "9"
    & skf18("10","1","10","10","7","10","1") = "9"
    & skf18("10","1","10","10","8","1","1") = "9"
    & skf18("10","1","10","10","8","2","1") = "9"
    & skf18("10","1","10","10","8","3","1") = "9"
    & skf18("10","1","10","10","8","4","1") = "9"
    & skf18("10","1","10","10","8","5","1") = "9"
    & skf18("10","1","10","10","8","6","1") = "9"
    & skf18("10","1","10","10","8","7","1") = "9"
    & skf18("10","1","10","10","8","8","1") = "9"
    & skf18("10","1","10","10","8","9","1") = "9"
    & skf18("10","1","10","10","8","10","1") = "9"
    & skf18("10","1","10","10","9","1","1") = "9"
    & skf18("10","1","10","10","9","2","1") = "9"
    & skf18("10","1","10","10","9","3","1") = "9"
    & skf18("10","1","10","10","9","4","1") = "9"
    & skf18("10","1","10","10","9","5","1") = "9"
    & skf18("10","1","10","10","9","6","1") = "9"
    & skf18("10","1","10","10","9","7","1") = "9"
    & skf18("10","1","10","10","9","8","1") = "9"
    & skf18("10","1","10","10","9","9","1") = "9"
    & skf18("10","1","10","10","9","10","1") = "9"
    & skf18("10","1","10","10","10","1","1") = "9"
    & skf18("10","1","10","10","10","2","1") = "9"
    & skf18("10","1","10","10","10","3","1") = "9"
    & skf18("10","1","10","10","10","4","1") = "9"
    & skf18("10","1","10","10","10","5","1") = "9"
    & skf18("10","1","10","10","10","6","1") = "9"
    & skf18("10","1","10","10","10","7","1") = "9"
    & skf18("10","1","10","10","10","8","1") = "9"
    & skf18("10","1","10","10","10","9","1") = "9"
    & skf18("10","1","10","10","10","10","1") = "9"
    & skf18("10","2","1","1","1","1","1") = "9"
    & skf18("10","2","1","1","1","2","1") = "9"
    & skf18("10","2","1","1","1","3","1") = "9"
    & skf18("10","2","1","1","1","4","1") = "9"
    & skf18("10","2","1","1","1","5","1") = "9"
    & skf18("10","2","1","1","1","6","1") = "9"
    & skf18("10","2","1","1","1","7","1") = "9"
    & skf18("10","2","1","1","1","8","1") = "9"
    & skf18("10","2","1","1","1","9","1") = "9"
    & skf18("10","2","1","1","1","10","1") = "9"
    & skf18("10","2","1","1","2","1","1") = "9"
    & skf18("10","2","1","1","2","2","1") = "9"
    & skf18("10","2","1","1","2","3","1") = "9"
    & skf18("10","2","1","1","2","4","1") = "9"
    & skf18("10","2","1","1","2","5","1") = "9"
    & skf18("10","2","1","1","2","6","1") = "9"
    & skf18("10","2","1","1","2","7","1") = "9"
    & skf18("10","2","1","1","2","8","1") = "9"
    & skf18("10","2","1","1","2","9","1") = "9"
    & skf18("10","2","1","1","2","10","1") = "9"
    & skf18("10","2","1","1","3","1","1") = "9"
    & skf18("10","2","1","1","3","2","1") = "9"
    & skf18("10","2","1","1","3","3","1") = "9"
    & skf18("10","2","1","1","3","4","1") = "9"
    & skf18("10","2","1","1","3","5","1") = "9"
    & skf18("10","2","1","1","3","6","1") = "9"
    & skf18("10","2","1","1","3","7","1") = "9"
    & skf18("10","2","1","1","3","8","1") = "9"
    & skf18("10","2","1","1","3","9","1") = "9"
    & skf18("10","2","1","1","3","10","1") = "9"
    & skf18("10","2","1","1","4","1","1") = "9"
    & skf18("10","2","1","1","4","2","1") = "9"
    & skf18("10","2","1","1","4","3","1") = "9"
    & skf18("10","2","1","1","4","4","1") = "9"
    & skf18("10","2","1","1","4","5","1") = "9"
    & skf18("10","2","1","1","4","6","1") = "9"
    & skf18("10","2","1","1","4","7","1") = "9"
    & skf18("10","2","1","1","4","8","1") = "9"
    & skf18("10","2","1","1","4","9","1") = "9"
    & skf18("10","2","1","1","4","10","1") = "9"
    & skf18("10","2","1","1","5","1","1") = "9"
    & skf18("10","2","1","1","5","2","1") = "9"
    & skf18("10","2","1","1","5","3","1") = "9"
    & skf18("10","2","1","1","5","4","1") = "9"
    & skf18("10","2","1","1","5","5","1") = "9"
    & skf18("10","2","1","1","5","6","1") = "9"
    & skf18("10","2","1","1","5","7","1") = "9"
    & skf18("10","2","1","1","5","8","1") = "9"
    & skf18("10","2","1","1","5","9","1") = "9"
    & skf18("10","2","1","1","5","10","1") = "9"
    & skf18("10","2","1","1","6","1","1") = "9"
    & skf18("10","2","1","1","6","2","1") = "9"
    & skf18("10","2","1","1","6","3","1") = "9"
    & skf18("10","2","1","1","6","4","1") = "9"
    & skf18("10","2","1","1","6","5","1") = "9"
    & skf18("10","2","1","1","6","6","1") = "9"
    & skf18("10","2","1","1","6","7","1") = "9"
    & skf18("10","2","1","1","6","8","1") = "9"
    & skf18("10","2","1","1","6","9","1") = "9"
    & skf18("10","2","1","1","6","10","1") = "9"
    & skf18("10","2","1","1","7","1","1") = "9"
    & skf18("10","2","1","1","7","2","1") = "9"
    & skf18("10","2","1","1","7","3","1") = "9"
    & skf18("10","2","1","1","7","4","1") = "9"
    & skf18("10","2","1","1","7","5","1") = "9"
    & skf18("10","2","1","1","7","6","1") = "9"
    & skf18("10","2","1","1","7","7","1") = "9"
    & skf18("10","2","1","1","7","8","1") = "9"
    & skf18("10","2","1","1","7","9","1") = "9"
    & skf18("10","2","1","1","7","10","1") = "9"
    & skf18("10","2","1","1","8","1","1") = "9"
    & skf18("10","2","1","1","8","2","1") = "9"
    & skf18("10","2","1","1","8","3","1") = "9"
    & skf18("10","2","1","1","8","4","1") = "9"
    & skf18("10","2","1","1","8","5","1") = "9"
    & skf18("10","2","1","1","8","6","1") = "9"
    & skf18("10","2","1","1","8","7","1") = "9"
    & skf18("10","2","1","1","8","8","1") = "9"
    & skf18("10","2","1","1","8","9","1") = "9"
    & skf18("10","2","1","1","8","10","1") = "9"
    & skf18("10","2","1","1","9","1","1") = "9"
    & skf18("10","2","1","1","9","2","1") = "9"
    & skf18("10","2","1","1","9","3","1") = "9"
    & skf18("10","2","1","1","9","4","1") = "9"
    & skf18("10","2","1","1","9","5","1") = "9"
    & skf18("10","2","1","1","9","6","1") = "9"
    & skf18("10","2","1","1","9","7","1") = "9"
    & skf18("10","2","1","1","9","8","1") = "9"
    & skf18("10","2","1","1","9","9","1") = "9"
    & skf18("10","2","1","1","9","10","1") = "9"
    & skf18("10","2","1","1","10","1","1") = "9"
    & skf18("10","2","1","1","10","2","1") = "9"
    & skf18("10","2","1","1","10","3","1") = "9"
    & skf18("10","2","1","1","10","4","1") = "9"
    & skf18("10","2","1","1","10","5","1") = "9"
    & skf18("10","2","1","1","10","6","1") = "9"
    & skf18("10","2","1","1","10","7","1") = "9"
    & skf18("10","2","1","1","10","8","1") = "9"
    & skf18("10","2","1","1","10","9","1") = "9"
    & skf18("10","2","1","1","10","10","1") = "9"
    & skf18("10","2","1","2","1","1","1") = "9"
    & skf18("10","2","1","2","1","2","1") = "9"
    & skf18("10","2","1","2","1","3","1") = "9"
    & skf18("10","2","1","2","1","4","1") = "9"
    & skf18("10","2","1","2","1","5","1") = "9"
    & skf18("10","2","1","2","1","6","1") = "9"
    & skf18("10","2","1","2","1","7","1") = "9"
    & skf18("10","2","1","2","1","8","1") = "9"
    & skf18("10","2","1","2","1","9","1") = "9"
    & skf18("10","2","1","2","1","10","1") = "9"
    & skf18("10","2","1","2","2","1","1") = "9"
    & skf18("10","2","1","2","2","2","1") = "9"
    & skf18("10","2","1","2","2","3","1") = "9"
    & skf18("10","2","1","2","2","4","1") = "9"
    & skf18("10","2","1","2","2","5","1") = "9"
    & skf18("10","2","1","2","2","6","1") = "9"
    & skf18("10","2","1","2","2","7","1") = "9"
    & skf18("10","2","1","2","2","8","1") = "9"
    & skf18("10","2","1","2","2","9","1") = "9"
    & skf18("10","2","1","2","2","10","1") = "9"
    & skf18("10","2","1","2","3","1","1") = "9"
    & skf18("10","2","1","2","3","2","1") = "9"
    & skf18("10","2","1","2","3","3","1") = "9"
    & skf18("10","2","1","2","3","4","1") = "9"
    & skf18("10","2","1","2","3","5","1") = "9"
    & skf18("10","2","1","2","3","6","1") = "9"
    & skf18("10","2","1","2","3","7","1") = "9"
    & skf18("10","2","1","2","3","8","1") = "9"
    & skf18("10","2","1","2","3","9","1") = "9"
    & skf18("10","2","1","2","3","10","1") = "9"
    & skf18("10","2","1","2","4","1","1") = "9"
    & skf18("10","2","1","2","4","2","1") = "9"
    & skf18("10","2","1","2","4","3","1") = "9"
    & skf18("10","2","1","2","4","4","1") = "9"
    & skf18("10","2","1","2","4","5","1") = "9"
    & skf18("10","2","1","2","4","6","1") = "9"
    & skf18("10","2","1","2","4","7","1") = "9"
    & skf18("10","2","1","2","4","8","1") = "9"
    & skf18("10","2","1","2","4","9","1") = "9"
    & skf18("10","2","1","2","4","10","1") = "9"
    & skf18("10","2","1","2","5","1","1") = "9"
    & skf18("10","2","1","2","5","2","1") = "9"
    & skf18("10","2","1","2","5","3","1") = "9"
    & skf18("10","2","1","2","5","4","1") = "9"
    & skf18("10","2","1","2","5","5","1") = "9"
    & skf18("10","2","1","2","5","6","1") = "9"
    & skf18("10","2","1","2","5","7","1") = "9"
    & skf18("10","2","1","2","5","8","1") = "9"
    & skf18("10","2","1","2","5","9","1") = "9"
    & skf18("10","2","1","2","5","10","1") = "9"
    & skf18("10","2","1","2","6","1","1") = "9"
    & skf18("10","2","1","2","6","2","1") = "9"
    & skf18("10","2","1","2","6","3","1") = "9"
    & skf18("10","2","1","2","6","4","1") = "9"
    & skf18("10","2","1","2","6","5","1") = "9"
    & skf18("10","2","1","2","6","6","1") = "9"
    & skf18("10","2","1","2","6","7","1") = "9"
    & skf18("10","2","1","2","6","8","1") = "9"
    & skf18("10","2","1","2","6","9","1") = "9"
    & skf18("10","2","1","2","6","10","1") = "9"
    & skf18("10","2","1","2","7","1","1") = "9"
    & skf18("10","2","1","2","7","2","1") = "9"
    & skf18("10","2","1","2","7","3","1") = "9"
    & skf18("10","2","1","2","7","4","1") = "9"
    & skf18("10","2","1","2","7","5","1") = "9"
    & skf18("10","2","1","2","7","6","1") = "9"
    & skf18("10","2","1","2","7","7","1") = "9"
    & skf18("10","2","1","2","7","8","1") = "9"
    & skf18("10","2","1","2","7","9","1") = "9"
    & skf18("10","2","1","2","7","10","1") = "9"
    & skf18("10","2","1","2","8","1","1") = "9"
    & skf18("10","2","1","2","8","2","1") = "9"
    & skf18("10","2","1","2","8","3","1") = "9"
    & skf18("10","2","1","2","8","4","1") = "9"
    & skf18("10","2","1","2","8","5","1") = "9"
    & skf18("10","2","1","2","8","6","1") = "9"
    & skf18("10","2","1","2","8","7","1") = "9"
    & skf18("10","2","1","2","8","8","1") = "9"
    & skf18("10","2","1","2","8","9","1") = "9"
    & skf18("10","2","1","2","8","10","1") = "9"
    & skf18("10","2","1","2","9","1","1") = "9"
    & skf18("10","2","1","2","9","2","1") = "9"
    & skf18("10","2","1","2","9","3","1") = "9"
    & skf18("10","2","1","2","9","4","1") = "9"
    & skf18("10","2","1","2","9","5","1") = "9"
    & skf18("10","2","1","2","9","6","1") = "9"
    & skf18("10","2","1","2","9","7","1") = "9"
    & skf18("10","2","1","2","9","8","1") = "9"
    & skf18("10","2","1","2","9","9","1") = "9"
    & skf18("10","2","1","2","9","10","1") = "9"
    & skf18("10","2","1","2","10","1","1") = "9"
    & skf18("10","2","1","2","10","2","1") = "9"
    & skf18("10","2","1","2","10","3","1") = "9"
    & skf18("10","2","1","2","10","4","1") = "9"
    & skf18("10","2","1","2","10","5","1") = "9"
    & skf18("10","2","1","2","10","6","1") = "9"
    & skf18("10","2","1","2","10","7","1") = "9"
    & skf18("10","2","1","2","10","8","1") = "9"
    & skf18("10","2","1","2","10","9","1") = "9"
    & skf18("10","2","1","2","10","10","1") = "9"
    & skf18("10","2","1","3","1","1","1") = "9"
    & skf18("10","2","1","3","1","2","1") = "9"
    & skf18("10","2","1","3","1","3","1") = "9"
    & skf18("10","2","1","3","1","4","1") = "9"
    & skf18("10","2","1","3","1","5","1") = "9"
    & skf18("10","2","1","3","1","6","1") = "9"
    & skf18("10","2","1","3","1","7","1") = "9"
    & skf18("10","2","1","3","1","8","1") = "9"
    & skf18("10","2","1","3","1","9","1") = "9"
    & skf18("10","2","1","3","1","10","1") = "9"
    & skf18("10","2","1","3","2","1","1") = "9"
    & skf18("10","2","1","3","2","2","1") = "9"
    & skf18("10","2","1","3","2","3","1") = "9"
    & skf18("10","2","1","3","2","4","1") = "9"
    & skf18("10","2","1","3","2","5","1") = "9"
    & skf18("10","2","1","3","2","6","1") = "9"
    & skf18("10","2","1","3","2","7","1") = "9"
    & skf18("10","2","1","3","2","8","1") = "9"
    & skf18("10","2","1","3","2","9","1") = "9"
    & skf18("10","2","1","3","2","10","1") = "9"
    & skf18("10","2","1","3","3","1","1") = "9"
    & skf18("10","2","1","3","3","2","1") = "9"
    & skf18("10","2","1","3","3","3","1") = "9"
    & skf18("10","2","1","3","3","4","1") = "9"
    & skf18("10","2","1","3","3","5","1") = "9"
    & skf18("10","2","1","3","3","6","1") = "9"
    & skf18("10","2","1","3","3","7","1") = "9"
    & skf18("10","2","1","3","3","8","1") = "9"
    & skf18("10","2","1","3","3","9","1") = "9"
    & skf18("10","2","1","3","3","10","1") = "9"
    & skf18("10","2","1","3","4","1","1") = "9"
    & skf18("10","2","1","3","4","2","1") = "9"
    & skf18("10","2","1","3","4","3","1") = "9"
    & skf18("10","2","1","3","4","4","1") = "9"
    & skf18("10","2","1","3","4","5","1") = "9"
    & skf18("10","2","1","3","4","6","1") = "9"
    & skf18("10","2","1","3","4","7","1") = "9"
    & skf18("10","2","1","3","4","8","1") = "9"
    & skf18("10","2","1","3","4","9","1") = "9"
    & skf18("10","2","1","3","4","10","1") = "9"
    & skf18("10","2","1","3","5","1","1") = "9"
    & skf18("10","2","1","3","5","2","1") = "9"
    & skf18("10","2","1","3","5","3","1") = "9"
    & skf18("10","2","1","3","5","4","1") = "9"
    & skf18("10","2","1","3","5","5","1") = "9"
    & skf18("10","2","1","3","5","6","1") = "9"
    & skf18("10","2","1","3","5","7","1") = "9"
    & skf18("10","2","1","3","5","8","1") = "9"
    & skf18("10","2","1","3","5","9","1") = "9"
    & skf18("10","2","1","3","5","10","1") = "9"
    & skf18("10","2","1","3","6","1","1") = "9"
    & skf18("10","2","1","3","6","2","1") = "9"
    & skf18("10","2","1","3","6","3","1") = "9"
    & skf18("10","2","1","3","6","4","1") = "9"
    & skf18("10","2","1","3","6","5","1") = "9"
    & skf18("10","2","1","3","6","6","1") = "9"
    & skf18("10","2","1","3","6","7","1") = "9"
    & skf18("10","2","1","3","6","8","1") = "9"
    & skf18("10","2","1","3","6","9","1") = "9"
    & skf18("10","2","1","3","6","10","1") = "9"
    & skf18("10","2","1","3","7","1","1") = "9"
    & skf18("10","2","1","3","7","2","1") = "9"
    & skf18("10","2","1","3","7","3","1") = "9"
    & skf18("10","2","1","3","7","4","1") = "9"
    & skf18("10","2","1","3","7","5","1") = "9"
    & skf18("10","2","1","3","7","6","1") = "9"
    & skf18("10","2","1","3","7","7","1") = "9"
    & skf18("10","2","1","3","7","8","1") = "9"
    & skf18("10","2","1","3","7","9","1") = "9"
    & skf18("10","2","1","3","7","10","1") = "9"
    & skf18("10","2","1","3","8","1","1") = "9"
    & skf18("10","2","1","3","8","2","1") = "9"
    & skf18("10","2","1","3","8","3","1") = "9"
    & skf18("10","2","1","3","8","4","1") = "9"
    & skf18("10","2","1","3","8","5","1") = "9"
    & skf18("10","2","1","3","8","6","1") = "9"
    & skf18("10","2","1","3","8","7","1") = "9"
    & skf18("10","2","1","3","8","8","1") = "9"
    & skf18("10","2","1","3","8","9","1") = "9"
    & skf18("10","2","1","3","8","10","1") = "9"
    & skf18("10","2","1","3","9","1","1") = "9"
    & skf18("10","2","1","3","9","2","1") = "9"
    & skf18("10","2","1","3","9","3","1") = "9"
    & skf18("10","2","1","3","9","4","1") = "9"
    & skf18("10","2","1","3","9","5","1") = "9"
    & skf18("10","2","1","3","9","6","1") = "9"
    & skf18("10","2","1","3","9","7","1") = "9"
    & skf18("10","2","1","3","9","8","1") = "9"
    & skf18("10","2","1","3","9","9","1") = "9"
    & skf18("10","2","1","3","9","10","1") = "9"
    & skf18("10","2","1","3","10","1","1") = "9"
    & skf18("10","2","1","3","10","2","1") = "9"
    & skf18("10","2","1","3","10","3","1") = "9"
    & skf18("10","2","1","3","10","4","1") = "9"
    & skf18("10","2","1","3","10","5","1") = "9"
    & skf18("10","2","1","3","10","6","1") = "9"
    & skf18("10","2","1","3","10","7","1") = "9"
    & skf18("10","2","1","3","10","8","1") = "9"
    & skf18("10","2","1","3","10","9","1") = "9"
    & skf18("10","2","1","3","10","10","1") = "9"
    & skf18("10","2","1","4","1","1","1") = "9"
    & skf18("10","2","1","4","1","2","1") = "9"
    & skf18("10","2","1","4","1","3","1") = "9"
    & skf18("10","2","1","4","1","4","1") = "9"
    & skf18("10","2","1","4","1","5","1") = "9"
    & skf18("10","2","1","4","1","6","1") = "9"
    & skf18("10","2","1","4","1","7","1") = "9"
    & skf18("10","2","1","4","1","8","1") = "9"
    & skf18("10","2","1","4","1","9","1") = "9"
    & skf18("10","2","1","4","1","10","1") = "9"
    & skf18("10","2","1","4","2","1","1") = "9"
    & skf18("10","2","1","4","2","2","1") = "9"
    & skf18("10","2","1","4","2","3","1") = "9"
    & skf18("10","2","1","4","2","4","1") = "9"
    & skf18("10","2","1","4","2","5","1") = "9"
    & skf18("10","2","1","4","2","6","1") = "9"
    & skf18("10","2","1","4","2","7","1") = "9"
    & skf18("10","2","1","4","2","8","1") = "9"
    & skf18("10","2","1","4","2","9","1") = "9"
    & skf18("10","2","1","4","2","10","1") = "9"
    & skf18("10","2","1","4","3","1","1") = "9"
    & skf18("10","2","1","4","3","2","1") = "9"
    & skf18("10","2","1","4","3","3","1") = "9"
    & skf18("10","2","1","4","3","4","1") = "9"
    & skf18("10","2","1","4","3","5","1") = "9"
    & skf18("10","2","1","4","3","6","1") = "9"
    & skf18("10","2","1","4","3","7","1") = "9"
    & skf18("10","2","1","4","3","8","1") = "9"
    & skf18("10","2","1","4","3","9","1") = "9"
    & skf18("10","2","1","4","3","10","1") = "9"
    & skf18("10","2","1","4","4","1","1") = "9"
    & skf18("10","2","1","4","4","2","1") = "9"
    & skf18("10","2","1","4","4","3","1") = "9"
    & skf18("10","2","1","4","4","4","1") = "9"
    & skf18("10","2","1","4","4","5","1") = "9"
    & skf18("10","2","1","4","4","6","1") = "9"
    & skf18("10","2","1","4","4","7","1") = "9"
    & skf18("10","2","1","4","4","8","1") = "9"
    & skf18("10","2","1","4","4","9","1") = "9"
    & skf18("10","2","1","4","4","10","1") = "9"
    & skf18("10","2","1","4","5","1","1") = "9"
    & skf18("10","2","1","4","5","2","1") = "9"
    & skf18("10","2","1","4","5","3","1") = "9"
    & skf18("10","2","1","4","5","4","1") = "9"
    & skf18("10","2","1","4","5","5","1") = "9"
    & skf18("10","2","1","4","5","6","1") = "9"
    & skf18("10","2","1","4","5","7","1") = "9"
    & skf18("10","2","1","4","5","8","1") = "9"
    & skf18("10","2","1","4","5","9","1") = "9"
    & skf18("10","2","1","4","5","10","1") = "9"
    & skf18("10","2","1","4","6","1","1") = "9"
    & skf18("10","2","1","4","6","2","1") = "9"
    & skf18("10","2","1","4","6","3","1") = "9"
    & skf18("10","2","1","4","6","4","1") = "9"
    & skf18("10","2","1","4","6","5","1") = "9"
    & skf18("10","2","1","4","6","6","1") = "9"
    & skf18("10","2","1","4","6","7","1") = "9"
    & skf18("10","2","1","4","6","8","1") = "9"
    & skf18("10","2","1","4","6","9","1") = "9"
    & skf18("10","2","1","4","6","10","1") = "9"
    & skf18("10","2","1","4","7","1","1") = "9"
    & skf18("10","2","1","4","7","2","1") = "9"
    & skf18("10","2","1","4","7","3","1") = "9"
    & skf18("10","2","1","4","7","4","1") = "9"
    & skf18("10","2","1","4","7","5","1") = "9"
    & skf18("10","2","1","4","7","6","1") = "9"
    & skf18("10","2","1","4","7","7","1") = "9"
    & skf18("10","2","1","4","7","8","1") = "9"
    & skf18("10","2","1","4","7","9","1") = "9"
    & skf18("10","2","1","4","7","10","1") = "9"
    & skf18("10","2","1","4","8","1","1") = "9"
    & skf18("10","2","1","4","8","2","1") = "9"
    & skf18("10","2","1","4","8","3","1") = "9"
    & skf18("10","2","1","4","8","4","1") = "9"
    & skf18("10","2","1","4","8","5","1") = "9"
    & skf18("10","2","1","4","8","6","1") = "9"
    & skf18("10","2","1","4","8","7","1") = "9"
    & skf18("10","2","1","4","8","8","1") = "9"
    & skf18("10","2","1","4","8","9","1") = "9"
    & skf18("10","2","1","4","8","10","1") = "9"
    & skf18("10","2","1","4","9","1","1") = "9"
    & skf18("10","2","1","4","9","2","1") = "9"
    & skf18("10","2","1","4","9","3","1") = "9"
    & skf18("10","2","1","4","9","4","1") = "9"
    & skf18("10","2","1","4","9","5","1") = "9"
    & skf18("10","2","1","4","9","6","1") = "9"
    & skf18("10","2","1","4","9","7","1") = "9"
    & skf18("10","2","1","4","9","8","1") = "9"
    & skf18("10","2","1","4","9","9","1") = "9"
    & skf18("10","2","1","4","9","10","1") = "9"
    & skf18("10","2","1","4","10","1","1") = "9"
    & skf18("10","2","1","4","10","2","1") = "9"
    & skf18("10","2","1","4","10","3","1") = "9"
    & skf18("10","2","1","4","10","4","1") = "9"
    & skf18("10","2","1","4","10","5","1") = "9"
    & skf18("10","2","1","4","10","6","1") = "9"
    & skf18("10","2","1","4","10","7","1") = "9"
    & skf18("10","2","1","4","10","8","1") = "9"
    & skf18("10","2","1","4","10","9","1") = "9"
    & skf18("10","2","1","4","10","10","1") = "9"
    & skf18("10","2","1","5","1","1","1") = "9"
    & skf18("10","2","1","5","1","2","1") = "9"
    & skf18("10","2","1","5","1","3","1") = "9"
    & skf18("10","2","1","5","1","4","1") = "9"
    & skf18("10","2","1","5","1","5","1") = "9"
    & skf18("10","2","1","5","1","6","1") = "9"
    & skf18("10","2","1","5","1","7","1") = "9"
    & skf18("10","2","1","5","1","8","1") = "9"
    & skf18("10","2","1","5","1","9","1") = "9"
    & skf18("10","2","1","5","1","10","1") = "9"
    & skf18("10","2","1","5","2","1","1") = "9"
    & skf18("10","2","1","5","2","2","1") = "9"
    & skf18("10","2","1","5","2","3","1") = "9"
    & skf18("10","2","1","5","2","4","1") = "9"
    & skf18("10","2","1","5","2","5","1") = "9"
    & skf18("10","2","1","5","2","6","1") = "9"
    & skf18("10","2","1","5","2","7","1") = "9"
    & skf18("10","2","1","5","2","8","1") = "9"
    & skf18("10","2","1","5","2","9","1") = "9"
    & skf18("10","2","1","5","2","10","1") = "9"
    & skf18("10","2","1","5","3","1","1") = "9"
    & skf18("10","2","1","5","3","2","1") = "9"
    & skf18("10","2","1","5","3","3","1") = "9"
    & skf18("10","2","1","5","3","4","1") = "9"
    & skf18("10","2","1","5","3","5","1") = "9"
    & skf18("10","2","1","5","3","6","1") = "9"
    & skf18("10","2","1","5","3","7","1") = "9"
    & skf18("10","2","1","5","3","8","1") = "9"
    & skf18("10","2","1","5","3","9","1") = "9"
    & skf18("10","2","1","5","3","10","1") = "9"
    & skf18("10","2","1","5","4","1","1") = "9"
    & skf18("10","2","1","5","4","2","1") = "9"
    & skf18("10","2","1","5","4","3","1") = "9"
    & skf18("10","2","1","5","4","4","1") = "9"
    & skf18("10","2","1","5","4","5","1") = "9"
    & skf18("10","2","1","5","4","6","1") = "9"
    & skf18("10","2","1","5","4","7","1") = "9"
    & skf18("10","2","1","5","4","8","1") = "9"
    & skf18("10","2","1","5","4","9","1") = "9"
    & skf18("10","2","1","5","4","10","1") = "9"
    & skf18("10","2","1","5","5","1","1") = "9"
    & skf18("10","2","1","5","5","2","1") = "9"
    & skf18("10","2","1","5","5","3","1") = "9"
    & skf18("10","2","1","5","5","4","1") = "9"
    & skf18("10","2","1","5","5","5","1") = "9"
    & skf18("10","2","1","5","5","6","1") = "9"
    & skf18("10","2","1","5","5","7","1") = "9"
    & skf18("10","2","1","5","5","8","1") = "9"
    & skf18("10","2","1","5","5","9","1") = "9"
    & skf18("10","2","1","5","5","10","1") = "9"
    & skf18("10","2","1","5","6","1","1") = "9"
    & skf18("10","2","1","5","6","2","1") = "9"
    & skf18("10","2","1","5","6","3","1") = "9"
    & skf18("10","2","1","5","6","4","1") = "9"
    & skf18("10","2","1","5","6","5","1") = "9"
    & skf18("10","2","1","5","6","6","1") = "9"
    & skf18("10","2","1","5","6","7","1") = "9"
    & skf18("10","2","1","5","6","8","1") = "9"
    & skf18("10","2","1","5","6","9","1") = "9"
    & skf18("10","2","1","5","6","10","1") = "9"
    & skf18("10","2","1","5","7","1","1") = "9"
    & skf18("10","2","1","5","7","2","1") = "9"
    & skf18("10","2","1","5","7","3","1") = "9"
    & skf18("10","2","1","5","7","4","1") = "9"
    & skf18("10","2","1","5","7","5","1") = "9"
    & skf18("10","2","1","5","7","6","1") = "9"
    & skf18("10","2","1","5","7","7","1") = "9"
    & skf18("10","2","1","5","7","8","1") = "9"
    & skf18("10","2","1","5","7","9","1") = "9"
    & skf18("10","2","1","5","7","10","1") = "9"
    & skf18("10","2","1","5","8","1","1") = "9"
    & skf18("10","2","1","5","8","2","1") = "9"
    & skf18("10","2","1","5","8","3","1") = "9"
    & skf18("10","2","1","5","8","4","1") = "9"
    & skf18("10","2","1","5","8","5","1") = "9"
    & skf18("10","2","1","5","8","6","1") = "9"
    & skf18("10","2","1","5","8","7","1") = "9"
    & skf18("10","2","1","5","8","8","1") = "9"
    & skf18("10","2","1","5","8","9","1") = "9"
    & skf18("10","2","1","5","8","10","1") = "9"
    & skf18("10","2","1","5","9","1","1") = "9"
    & skf18("10","2","1","5","9","2","1") = "9"
    & skf18("10","2","1","5","9","3","1") = "9"
    & skf18("10","2","1","5","9","4","1") = "9"
    & skf18("10","2","1","5","9","5","1") = "9"
    & skf18("10","2","1","5","9","6","1") = "9"
    & skf18("10","2","1","5","9","7","1") = "9"
    & skf18("10","2","1","5","9","8","1") = "9"
    & skf18("10","2","1","5","9","9","1") = "9"
    & skf18("10","2","1","5","9","10","1") = "9"
    & skf18("10","2","1","5","10","1","1") = "9"
    & skf18("10","2","1","5","10","2","1") = "9"
    & skf18("10","2","1","5","10","3","1") = "9"
    & skf18("10","2","1","5","10","4","1") = "9"
    & skf18("10","2","1","5","10","5","1") = "9"
    & skf18("10","2","1","5","10","6","1") = "9"
    & skf18("10","2","1","5","10","7","1") = "9"
    & skf18("10","2","1","5","10","8","1") = "9"
    & skf18("10","2","1","5","10","9","1") = "9"
    & skf18("10","2","1","5","10","10","1") = "9"
    & skf18("10","2","1","6","1","1","1") = "9"
    & skf18("10","2","1","6","1","2","1") = "9"
    & skf18("10","2","1","6","1","3","1") = "9"
    & skf18("10","2","1","6","1","4","1") = "9"
    & skf18("10","2","1","6","1","5","1") = "9"
    & skf18("10","2","1","6","1","6","1") = "9"
    & skf18("10","2","1","6","1","7","1") = "9"
    & skf18("10","2","1","6","1","8","1") = "9"
    & skf18("10","2","1","6","1","9","1") = "9"
    & skf18("10","2","1","6","1","10","1") = "9"
    & skf18("10","2","1","6","2","1","1") = "9"
    & skf18("10","2","1","6","2","2","1") = "9"
    & skf18("10","2","1","6","2","3","1") = "9"
    & skf18("10","2","1","6","2","4","1") = "9"
    & skf18("10","2","1","6","2","5","1") = "9"
    & skf18("10","2","1","6","2","6","1") = "9"
    & skf18("10","2","1","6","2","7","1") = "9"
    & skf18("10","2","1","6","2","8","1") = "9"
    & skf18("10","2","1","6","2","9","1") = "9"
    & skf18("10","2","1","6","2","10","1") = "9"
    & skf18("10","2","1","6","3","1","1") = "9"
    & skf18("10","2","1","6","3","2","1") = "9"
    & skf18("10","2","1","6","3","3","1") = "9"
    & skf18("10","2","1","6","3","4","1") = "9"
    & skf18("10","2","1","6","3","5","1") = "9"
    & skf18("10","2","1","6","3","6","1") = "9"
    & skf18("10","2","1","6","3","7","1") = "9"
    & skf18("10","2","1","6","3","8","1") = "9"
    & skf18("10","2","1","6","3","9","1") = "9"
    & skf18("10","2","1","6","3","10","1") = "9"
    & skf18("10","2","1","6","4","1","1") = "9"
    & skf18("10","2","1","6","4","2","1") = "9"
    & skf18("10","2","1","6","4","3","1") = "9"
    & skf18("10","2","1","6","4","4","1") = "9"
    & skf18("10","2","1","6","4","5","1") = "9"
    & skf18("10","2","1","6","4","6","1") = "9"
    & skf18("10","2","1","6","4","7","1") = "9"
    & skf18("10","2","1","6","4","8","1") = "9"
    & skf18("10","2","1","6","4","9","1") = "9"
    & skf18("10","2","1","6","4","10","1") = "9"
    & skf18("10","2","1","6","5","1","1") = "9"
    & skf18("10","2","1","6","5","2","1") = "9"
    & skf18("10","2","1","6","5","3","1") = "9"
    & skf18("10","2","1","6","5","4","1") = "9"
    & skf18("10","2","1","6","5","5","1") = "9"
    & skf18("10","2","1","6","5","6","1") = "9"
    & skf18("10","2","1","6","5","7","1") = "9"
    & skf18("10","2","1","6","5","8","1") = "9"
    & skf18("10","2","1","6","5","9","1") = "9"
    & skf18("10","2","1","6","5","10","1") = "9"
    & skf18("10","2","1","6","6","1","1") = "9"
    & skf18("10","2","1","6","6","2","1") = "9"
    & skf18("10","2","1","6","6","3","1") = "9"
    & skf18("10","2","1","6","6","4","1") = "9"
    & skf18("10","2","1","6","6","5","1") = "9"
    & skf18("10","2","1","6","6","6","1") = "9"
    & skf18("10","2","1","6","6","7","1") = "9"
    & skf18("10","2","1","6","6","8","1") = "9"
    & skf18("10","2","1","6","6","9","1") = "9"
    & skf18("10","2","1","6","6","10","1") = "9"
    & skf18("10","2","1","6","7","1","1") = "9"
    & skf18("10","2","1","6","7","2","1") = "9"
    & skf18("10","2","1","6","7","3","1") = "9"
    & skf18("10","2","1","6","7","4","1") = "9"
    & skf18("10","2","1","6","7","5","1") = "9"
    & skf18("10","2","1","6","7","6","1") = "9"
    & skf18("10","2","1","6","7","7","1") = "9"
    & skf18("10","2","1","6","7","8","1") = "9"
    & skf18("10","2","1","6","7","9","1") = "9"
    & skf18("10","2","1","6","7","10","1") = "9"
    & skf18("10","2","1","6","8","1","1") = "9"
    & skf18("10","2","1","6","8","2","1") = "9"
    & skf18("10","2","1","6","8","3","1") = "9"
    & skf18("10","2","1","6","8","4","1") = "9"
    & skf18("10","2","1","6","8","5","1") = "9"
    & skf18("10","2","1","6","8","6","1") = "9"
    & skf18("10","2","1","6","8","7","1") = "9"
    & skf18("10","2","1","6","8","8","1") = "9"
    & skf18("10","2","1","6","8","9","1") = "9"
    & skf18("10","2","1","6","8","10","1") = "9"
    & skf18("10","2","1","6","9","1","1") = "9"
    & skf18("10","2","1","6","9","2","1") = "9"
    & skf18("10","2","1","6","9","3","1") = "9"
    & skf18("10","2","1","6","9","4","1") = "9"
    & skf18("10","2","1","6","9","5","1") = "9"
    & skf18("10","2","1","6","9","6","1") = "9"
    & skf18("10","2","1","6","9","7","1") = "9"
    & skf18("10","2","1","6","9","8","1") = "9"
    & skf18("10","2","1","6","9","9","1") = "9"
    & skf18("10","2","1","6","9","10","1") = "9"
    & skf18("10","2","1","6","10","1","1") = "9"
    & skf18("10","2","1","6","10","2","1") = "9"
    & skf18("10","2","1","6","10","3","1") = "9"
    & skf18("10","2","1","6","10","4","1") = "9"
    & skf18("10","2","1","6","10","5","1") = "9"
    & skf18("10","2","1","6","10","6","1") = "9"
    & skf18("10","2","1","6","10","7","1") = "9"
    & skf18("10","2","1","6","10","8","1") = "9"
    & skf18("10","2","1","6","10","9","1") = "9"
    & skf18("10","2","1","6","10","10","1") = "9"
    & skf18("10","2","1","7","1","1","1") = "9"
    & skf18("10","2","1","7","1","2","1") = "9"
    & skf18("10","2","1","7","1","3","1") = "9"
    & skf18("10","2","1","7","1","4","1") = "9"
    & skf18("10","2","1","7","1","5","1") = "9"
    & skf18("10","2","1","7","1","6","1") = "9"
    & skf18("10","2","1","7","1","7","1") = "9"
    & skf18("10","2","1","7","1","8","1") = "9"
    & skf18("10","2","1","7","1","9","1") = "9"
    & skf18("10","2","1","7","1","10","1") = "9"
    & skf18("10","2","1","7","2","1","1") = "9"
    & skf18("10","2","1","7","2","2","1") = "9"
    & skf18("10","2","1","7","2","3","1") = "9"
    & skf18("10","2","1","7","2","4","1") = "9"
    & skf18("10","2","1","7","2","5","1") = "9"
    & skf18("10","2","1","7","2","6","1") = "9"
    & skf18("10","2","1","7","2","7","1") = "9"
    & skf18("10","2","1","7","2","8","1") = "9"
    & skf18("10","2","1","7","2","9","1") = "9"
    & skf18("10","2","1","7","2","10","1") = "9"
    & skf18("10","2","1","7","3","1","1") = "9"
    & skf18("10","2","1","7","3","2","1") = "9"
    & skf18("10","2","1","7","3","3","1") = "9"
    & skf18("10","2","1","7","3","4","1") = "9"
    & skf18("10","2","1","7","3","5","1") = "9"
    & skf18("10","2","1","7","3","6","1") = "9"
    & skf18("10","2","1","7","3","7","1") = "9"
    & skf18("10","2","1","7","3","8","1") = "9"
    & skf18("10","2","1","7","3","9","1") = "9"
    & skf18("10","2","1","7","3","10","1") = "9"
    & skf18("10","2","1","7","4","1","1") = "9"
    & skf18("10","2","1","7","4","2","1") = "9"
    & skf18("10","2","1","7","4","3","1") = "9"
    & skf18("10","2","1","7","4","4","1") = "9"
    & skf18("10","2","1","7","4","5","1") = "9"
    & skf18("10","2","1","7","4","6","1") = "9"
    & skf18("10","2","1","7","4","7","1") = "9"
    & skf18("10","2","1","7","4","8","1") = "9"
    & skf18("10","2","1","7","4","9","1") = "9"
    & skf18("10","2","1","7","4","10","1") = "9"
    & skf18("10","2","1","7","5","1","1") = "9"
    & skf18("10","2","1","7","5","2","1") = "9"
    & skf18("10","2","1","7","5","3","1") = "9"
    & skf18("10","2","1","7","5","4","1") = "9"
    & skf18("10","2","1","7","5","5","1") = "9"
    & skf18("10","2","1","7","5","6","1") = "9"
    & skf18("10","2","1","7","5","7","1") = "9"
    & skf18("10","2","1","7","5","8","1") = "9"
    & skf18("10","2","1","7","5","9","1") = "9"
    & skf18("10","2","1","7","5","10","1") = "9"
    & skf18("10","2","1","7","6","1","1") = "9"
    & skf18("10","2","1","7","6","2","1") = "9"
    & skf18("10","2","1","7","6","3","1") = "9"
    & skf18("10","2","1","7","6","4","1") = "9"
    & skf18("10","2","1","7","6","5","1") = "9"
    & skf18("10","2","1","7","6","6","1") = "9"
    & skf18("10","2","1","7","6","7","1") = "9"
    & skf18("10","2","1","7","6","8","1") = "9"
    & skf18("10","2","1","7","6","9","1") = "9"
    & skf18("10","2","1","7","6","10","1") = "9"
    & skf18("10","2","1","7","7","1","1") = "9"
    & skf18("10","2","1","7","7","2","1") = "9"
    & skf18("10","2","1","7","7","3","1") = "9"
    & skf18("10","2","1","7","7","4","1") = "9"
    & skf18("10","2","1","7","7","5","1") = "9"
    & skf18("10","2","1","7","7","6","1") = "9"
    & skf18("10","2","1","7","7","7","1") = "9"
    & skf18("10","2","1","7","7","8","1") = "9"
    & skf18("10","2","1","7","7","9","1") = "9"
    & skf18("10","2","1","7","7","10","1") = "9"
    & skf18("10","2","1","7","8","1","1") = "9"
    & skf18("10","2","1","7","8","2","1") = "9"
    & skf18("10","2","1","7","8","3","1") = "9"
    & skf18("10","2","1","7","8","4","1") = "9"
    & skf18("10","2","1","7","8","5","1") = "9"
    & skf18("10","2","1","7","8","6","1") = "9"
    & skf18("10","2","1","7","8","7","1") = "9"
    & skf18("10","2","1","7","8","8","1") = "9"
    & skf18("10","2","1","7","8","9","1") = "9"
    & skf18("10","2","1","7","8","10","1") = "9"
    & skf18("10","2","1","7","9","1","1") = "9"
    & skf18("10","2","1","7","9","2","1") = "9"
    & skf18("10","2","1","7","9","3","1") = "9"
    & skf18("10","2","1","7","9","4","1") = "9"
    & skf18("10","2","1","7","9","5","1") = "9"
    & skf18("10","2","1","7","9","6","1") = "9"
    & skf18("10","2","1","7","9","7","1") = "9"
    & skf18("10","2","1","7","9","8","1") = "9"
    & skf18("10","2","1","7","9","9","1") = "9"
    & skf18("10","2","1","7","9","10","1") = "9"
    & skf18("10","2","1","7","10","1","1") = "9"
    & skf18("10","2","1","7","10","2","1") = "9"
    & skf18("10","2","1","7","10","3","1") = "9"
    & skf18("10","2","1","7","10","4","1") = "9"
    & skf18("10","2","1","7","10","5","1") = "9"
    & skf18("10","2","1","7","10","6","1") = "9"
    & skf18("10","2","1","7","10","7","1") = "9"
    & skf18("10","2","1","7","10","8","1") = "9"
    & skf18("10","2","1","7","10","9","1") = "9"
    & skf18("10","2","1","7","10","10","1") = "9"
    & skf18("10","2","1","8","1","1","1") = "9"
    & skf18("10","2","1","8","1","2","1") = "9"
    & skf18("10","2","1","8","1","3","1") = "9"
    & skf18("10","2","1","8","1","4","1") = "9"
    & skf18("10","2","1","8","1","5","1") = "9"
    & skf18("10","2","1","8","1","6","1") = "9"
    & skf18("10","2","1","8","1","7","1") = "9"
    & skf18("10","2","1","8","1","8","1") = "9"
    & skf18("10","2","1","8","1","9","1") = "9"
    & skf18("10","2","1","8","1","10","1") = "9"
    & skf18("10","2","1","8","2","1","1") = "9"
    & skf18("10","2","1","8","2","2","1") = "9"
    & skf18("10","2","1","8","2","3","1") = "9"
    & skf18("10","2","1","8","2","4","1") = "9"
    & skf18("10","2","1","8","2","5","1") = "9"
    & skf18("10","2","1","8","2","6","1") = "9"
    & skf18("10","2","1","8","2","7","1") = "9"
    & skf18("10","2","1","8","2","8","1") = "9"
    & skf18("10","2","1","8","2","9","1") = "9"
    & skf18("10","2","1","8","2","10","1") = "9"
    & skf18("10","2","1","8","3","1","1") = "9"
    & skf18("10","2","1","8","3","2","1") = "9"
    & skf18("10","2","1","8","3","3","1") = "9"
    & skf18("10","2","1","8","3","4","1") = "9"
    & skf18("10","2","1","8","3","5","1") = "9"
    & skf18("10","2","1","8","3","6","1") = "9"
    & skf18("10","2","1","8","3","7","1") = "9"
    & skf18("10","2","1","8","3","8","1") = "9"
    & skf18("10","2","1","8","3","9","1") = "9"
    & skf18("10","2","1","8","3","10","1") = "9"
    & skf18("10","2","1","8","4","1","1") = "9"
    & skf18("10","2","1","8","4","2","1") = "9"
    & skf18("10","2","1","8","4","3","1") = "9"
    & skf18("10","2","1","8","4","4","1") = "9"
    & skf18("10","2","1","8","4","5","1") = "9"
    & skf18("10","2","1","8","4","6","1") = "9"
    & skf18("10","2","1","8","4","7","1") = "9"
    & skf18("10","2","1","8","4","8","1") = "9"
    & skf18("10","2","1","8","4","9","1") = "9"
    & skf18("10","2","1","8","4","10","1") = "9"
    & skf18("10","2","1","8","5","1","1") = "9"
    & skf18("10","2","1","8","5","2","1") = "9"
    & skf18("10","2","1","8","5","3","1") = "9"
    & skf18("10","2","1","8","5","4","1") = "9"
    & skf18("10","2","1","8","5","5","1") = "9"
    & skf18("10","2","1","8","5","6","1") = "9"
    & skf18("10","2","1","8","5","7","1") = "9"
    & skf18("10","2","1","8","5","8","1") = "9"
    & skf18("10","2","1","8","5","9","1") = "9"
    & skf18("10","2","1","8","5","10","1") = "9"
    & skf18("10","2","1","8","6","1","1") = "9"
    & skf18("10","2","1","8","6","2","1") = "9"
    & skf18("10","2","1","8","6","3","1") = "9"
    & skf18("10","2","1","8","6","4","1") = "9"
    & skf18("10","2","1","8","6","5","1") = "9"
    & skf18("10","2","1","8","6","6","1") = "9"
    & skf18("10","2","1","8","6","7","1") = "9"
    & skf18("10","2","1","8","6","8","1") = "9"
    & skf18("10","2","1","8","6","9","1") = "9"
    & skf18("10","2","1","8","6","10","1") = "9"
    & skf18("10","2","1","8","7","1","1") = "9"
    & skf18("10","2","1","8","7","2","1") = "9"
    & skf18("10","2","1","8","7","3","1") = "9"
    & skf18("10","2","1","8","7","4","1") = "9"
    & skf18("10","2","1","8","7","5","1") = "9"
    & skf18("10","2","1","8","7","6","1") = "9"
    & skf18("10","2","1","8","7","7","1") = "9"
    & skf18("10","2","1","8","7","8","1") = "9"
    & skf18("10","2","1","8","7","9","1") = "9"
    & skf18("10","2","1","8","7","10","1") = "9"
    & skf18("10","2","1","8","8","1","1") = "9"
    & skf18("10","2","1","8","8","2","1") = "9"
    & skf18("10","2","1","8","8","3","1") = "9"
    & skf18("10","2","1","8","8","4","1") = "9"
    & skf18("10","2","1","8","8","5","1") = "9"
    & skf18("10","2","1","8","8","6","1") = "9"
    & skf18("10","2","1","8","8","7","1") = "9"
    & skf18("10","2","1","8","8","8","1") = "9"
    & skf18("10","2","1","8","8","9","1") = "9"
    & skf18("10","2","1","8","8","10","1") = "9"
    & skf18("10","2","1","8","9","1","1") = "9"
    & skf18("10","2","1","8","9","2","1") = "9"
    & skf18("10","2","1","8","9","3","1") = "9"
    & skf18("10","2","1","8","9","4","1") = "9"
    & skf18("10","2","1","8","9","5","1") = "9"
    & skf18("10","2","1","8","9","6","1") = "9"
    & skf18("10","2","1","8","9","7","1") = "9"
    & skf18("10","2","1","8","9","8","1") = "9"
    & skf18("10","2","1","8","9","9","1") = "9"
    & skf18("10","2","1","8","9","10","1") = "9"
    & skf18("10","2","1","8","10","1","1") = "9"
    & skf18("10","2","1","8","10","2","1") = "9"
    & skf18("10","2","1","8","10","3","1") = "9"
    & skf18("10","2","1","8","10","4","1") = "9"
    & skf18("10","2","1","8","10","5","1") = "9"
    & skf18("10","2","1","8","10","6","1") = "9"
    & skf18("10","2","1","8","10","7","1") = "9"
    & skf18("10","2","1","8","10","8","1") = "9"
    & skf18("10","2","1","8","10","9","1") = "9"
    & skf18("10","2","1","8","10","10","1") = "9"
    & skf18("10","2","1","9","1","1","1") = "9"
    & skf18("10","2","1","9","1","2","1") = "9"
    & skf18("10","2","1","9","1","3","1") = "9"
    & skf18("10","2","1","9","1","4","1") = "9"
    & skf18("10","2","1","9","1","5","1") = "9"
    & skf18("10","2","1","9","1","6","1") = "9"
    & skf18("10","2","1","9","1","7","1") = "9"
    & skf18("10","2","1","9","1","8","1") = "9"
    & skf18("10","2","1","9","1","9","1") = "9"
    & skf18("10","2","1","9","1","10","1") = "9"
    & skf18("10","2","1","9","2","1","1") = "9"
    & skf18("10","2","1","9","2","2","1") = "9"
    & skf18("10","2","1","9","2","3","1") = "9"
    & skf18("10","2","1","9","2","4","1") = "9"
    & skf18("10","2","1","9","2","5","1") = "9"
    & skf18("10","2","1","9","2","6","1") = "9"
    & skf18("10","2","1","9","2","7","1") = "9"
    & skf18("10","2","1","9","2","8","1") = "9"
    & skf18("10","2","1","9","2","9","1") = "9"
    & skf18("10","2","1","9","2","10","1") = "9"
    & skf18("10","2","1","9","3","1","1") = "9"
    & skf18("10","2","1","9","3","2","1") = "9"
    & skf18("10","2","1","9","3","3","1") = "9"
    & skf18("10","2","1","9","3","4","1") = "9"
    & skf18("10","2","1","9","3","5","1") = "9"
    & skf18("10","2","1","9","3","6","1") = "9"
    & skf18("10","2","1","9","3","7","1") = "9"
    & skf18("10","2","1","9","3","8","1") = "9"
    & skf18("10","2","1","9","3","9","1") = "9"
    & skf18("10","2","1","9","3","10","1") = "9"
    & skf18("10","2","1","9","4","1","1") = "9"
    & skf18("10","2","1","9","4","2","1") = "9"
    & skf18("10","2","1","9","4","3","1") = "9"
    & skf18("10","2","1","9","4","4","1") = "9"
    & skf18("10","2","1","9","4","5","1") = "9"
    & skf18("10","2","1","9","4","6","1") = "9"
    & skf18("10","2","1","9","4","7","1") = "9"
    & skf18("10","2","1","9","4","8","1") = "9"
    & skf18("10","2","1","9","4","9","1") = "9"
    & skf18("10","2","1","9","4","10","1") = "9"
    & skf18("10","2","1","9","5","1","1") = "9"
    & skf18("10","2","1","9","5","2","1") = "9"
    & skf18("10","2","1","9","5","3","1") = "9"
    & skf18("10","2","1","9","5","4","1") = "9"
    & skf18("10","2","1","9","5","5","1") = "9"
    & skf18("10","2","1","9","5","6","1") = "9"
    & skf18("10","2","1","9","5","7","1") = "9"
    & skf18("10","2","1","9","5","8","1") = "9"
    & skf18("10","2","1","9","5","9","1") = "9"
    & skf18("10","2","1","9","5","10","1") = "9"
    & skf18("10","2","1","9","6","1","1") = "9"
    & skf18("10","2","1","9","6","2","1") = "9"
    & skf18("10","2","1","9","6","3","1") = "9"
    & skf18("10","2","1","9","6","4","1") = "9"
    & skf18("10","2","1","9","6","5","1") = "9"
    & skf18("10","2","1","9","6","6","1") = "9"
    & skf18("10","2","1","9","6","7","1") = "9"
    & skf18("10","2","1","9","6","8","1") = "9"
    & skf18("10","2","1","9","6","9","1") = "9"
    & skf18("10","2","1","9","6","10","1") = "9"
    & skf18("10","2","1","9","7","1","1") = "9"
    & skf18("10","2","1","9","7","2","1") = "9"
    & skf18("10","2","1","9","7","3","1") = "9"
    & skf18("10","2","1","9","7","4","1") = "9"
    & skf18("10","2","1","9","7","5","1") = "9"
    & skf18("10","2","1","9","7","6","1") = "9"
    & skf18("10","2","1","9","7","7","1") = "9"
    & skf18("10","2","1","9","7","8","1") = "9"
    & skf18("10","2","1","9","7","9","1") = "9"
    & skf18("10","2","1","9","7","10","1") = "9"
    & skf18("10","2","1","9","8","1","1") = "9"
    & skf18("10","2","1","9","8","2","1") = "9"
    & skf18("10","2","1","9","8","3","1") = "9"
    & skf18("10","2","1","9","8","4","1") = "9"
    & skf18("10","2","1","9","8","5","1") = "9"
    & skf18("10","2","1","9","8","6","1") = "9"
    & skf18("10","2","1","9","8","7","1") = "9"
    & skf18("10","2","1","9","8","8","1") = "9"
    & skf18("10","2","1","9","8","9","1") = "9"
    & skf18("10","2","1","9","8","10","1") = "9"
    & skf18("10","2","1","9","9","1","1") = "9"
    & skf18("10","2","1","9","9","2","1") = "9"
    & skf18("10","2","1","9","9","3","1") = "9"
    & skf18("10","2","1","9","9","4","1") = "9"
    & skf18("10","2","1","9","9","5","1") = "9"
    & skf18("10","2","1","9","9","6","1") = "9"
    & skf18("10","2","1","9","9","7","1") = "9"
    & skf18("10","2","1","9","9","8","1") = "9"
    & skf18("10","2","1","9","9","9","1") = "9"
    & skf18("10","2","1","9","9","10","1") = "9"
    & skf18("10","2","1","9","10","1","1") = "9"
    & skf18("10","2","1","9","10","2","1") = "9"
    & skf18("10","2","1","9","10","3","1") = "9"
    & skf18("10","2","1","9","10","4","1") = "9"
    & skf18("10","2","1","9","10","5","1") = "9"
    & skf18("10","2","1","9","10","6","1") = "9"
    & skf18("10","2","1","9","10","7","1") = "9"
    & skf18("10","2","1","9","10","8","1") = "9"
    & skf18("10","2","1","9","10","9","1") = "9"
    & skf18("10","2","1","9","10","10","1") = "9"
    & skf18("10","2","1","10","1","1","1") = "9"
    & skf18("10","2","1","10","1","2","1") = "9"
    & skf18("10","2","1","10","1","3","1") = "9"
    & skf18("10","2","1","10","1","4","1") = "9"
    & skf18("10","2","1","10","1","5","1") = "9"
    & skf18("10","2","1","10","1","6","1") = "9"
    & skf18("10","2","1","10","1","7","1") = "9"
    & skf18("10","2","1","10","1","8","1") = "9"
    & skf18("10","2","1","10","1","9","1") = "9"
    & skf18("10","2","1","10","1","10","1") = "9"
    & skf18("10","2","1","10","2","1","1") = "9"
    & skf18("10","2","1","10","2","2","1") = "9"
    & skf18("10","2","1","10","2","3","1") = "9"
    & skf18("10","2","1","10","2","4","1") = "9"
    & skf18("10","2","1","10","2","5","1") = "9"
    & skf18("10","2","1","10","2","6","1") = "9"
    & skf18("10","2","1","10","2","7","1") = "9"
    & skf18("10","2","1","10","2","8","1") = "9"
    & skf18("10","2","1","10","2","9","1") = "9"
    & skf18("10","2","1","10","2","10","1") = "9"
    & skf18("10","2","1","10","3","1","1") = "9"
    & skf18("10","2","1","10","3","2","1") = "9"
    & skf18("10","2","1","10","3","3","1") = "9"
    & skf18("10","2","1","10","3","4","1") = "9"
    & skf18("10","2","1","10","3","5","1") = "9"
    & skf18("10","2","1","10","3","6","1") = "9"
    & skf18("10","2","1","10","3","7","1") = "9"
    & skf18("10","2","1","10","3","8","1") = "9"
    & skf18("10","2","1","10","3","9","1") = "9"
    & skf18("10","2","1","10","3","10","1") = "9"
    & skf18("10","2","1","10","4","1","1") = "9"
    & skf18("10","2","1","10","4","2","1") = "9"
    & skf18("10","2","1","10","4","3","1") = "9"
    & skf18("10","2","1","10","4","4","1") = "9"
    & skf18("10","2","1","10","4","5","1") = "9"
    & skf18("10","2","1","10","4","6","1") = "9"
    & skf18("10","2","1","10","4","7","1") = "9"
    & skf18("10","2","1","10","4","8","1") = "9"
    & skf18("10","2","1","10","4","9","1") = "9"
    & skf18("10","2","1","10","4","10","1") = "9"
    & skf18("10","2","1","10","5","1","1") = "9"
    & skf18("10","2","1","10","5","2","1") = "9"
    & skf18("10","2","1","10","5","3","1") = "9"
    & skf18("10","2","1","10","5","4","1") = "9"
    & skf18("10","2","1","10","5","5","1") = "9"
    & skf18("10","2","1","10","5","6","1") = "9"
    & skf18("10","2","1","10","5","7","1") = "9"
    & skf18("10","2","1","10","5","8","1") = "9"
    & skf18("10","2","1","10","5","9","1") = "9"
    & skf18("10","2","1","10","5","10","1") = "9"
    & skf18("10","2","1","10","6","1","1") = "9"
    & skf18("10","2","1","10","6","2","1") = "9"
    & skf18("10","2","1","10","6","3","1") = "9"
    & skf18("10","2","1","10","6","4","1") = "9"
    & skf18("10","2","1","10","6","5","1") = "9"
    & skf18("10","2","1","10","6","6","1") = "9"
    & skf18("10","2","1","10","6","7","1") = "9"
    & skf18("10","2","1","10","6","8","1") = "9"
    & skf18("10","2","1","10","6","9","1") = "9"
    & skf18("10","2","1","10","6","10","1") = "9"
    & skf18("10","2","1","10","7","1","1") = "9"
    & skf18("10","2","1","10","7","2","1") = "9"
    & skf18("10","2","1","10","7","3","1") = "9"
    & skf18("10","2","1","10","7","4","1") = "9"
    & skf18("10","2","1","10","7","5","1") = "9"
    & skf18("10","2","1","10","7","6","1") = "9"
    & skf18("10","2","1","10","7","7","1") = "9"
    & skf18("10","2","1","10","7","8","1") = "9"
    & skf18("10","2","1","10","7","9","1") = "9"
    & skf18("10","2","1","10","7","10","1") = "9"
    & skf18("10","2","1","10","8","1","1") = "9"
    & skf18("10","2","1","10","8","2","1") = "9"
    & skf18("10","2","1","10","8","3","1") = "9"
    & skf18("10","2","1","10","8","4","1") = "9"
    & skf18("10","2","1","10","8","5","1") = "9"
    & skf18("10","2","1","10","8","6","1") = "9"
    & skf18("10","2","1","10","8","7","1") = "9"
    & skf18("10","2","1","10","8","8","1") = "9"
    & skf18("10","2","1","10","8","9","1") = "9"
    & skf18("10","2","1","10","8","10","1") = "9"
    & skf18("10","2","1","10","9","1","1") = "9"
    & skf18("10","2","1","10","9","2","1") = "9"
    & skf18("10","2","1","10","9","3","1") = "9"
    & skf18("10","2","1","10","9","4","1") = "9"
    & skf18("10","2","1","10","9","5","1") = "9"
    & skf18("10","2","1","10","9","6","1") = "9"
    & skf18("10","2","1","10","9","7","1") = "9"
    & skf18("10","2","1","10","9","8","1") = "9"
    & skf18("10","2","1","10","9","9","1") = "9"
    & skf18("10","2","1","10","9","10","1") = "9"
    & skf18("10","2","1","10","10","1","1") = "9"
    & skf18("10","2","1","10","10","2","1") = "9"
    & skf18("10","2","1","10","10","3","1") = "9"
    & skf18("10","2","1","10","10","4","1") = "9"
    & skf18("10","2","1","10","10","5","1") = "9"
    & skf18("10","2","1","10","10","6","1") = "9"
    & skf18("10","2","1","10","10","7","1") = "9"
    & skf18("10","2","1","10","10","8","1") = "9"
    & skf18("10","2","1","10","10","9","1") = "9"
    & skf18("10","2","1","10","10","10","1") = "9"
    & skf18("10","2","2","1","1","1","1") = "9"
    & skf18("10","2","2","1","1","2","1") = "9"
    & skf18("10","2","2","1","1","3","1") = "9"
    & skf18("10","2","2","1","1","4","1") = "9"
    & skf18("10","2","2","1","1","5","1") = "9"
    & skf18("10","2","2","1","1","6","1") = "9"
    & skf18("10","2","2","1","1","7","1") = "9"
    & skf18("10","2","2","1","1","8","1") = "9"
    & skf18("10","2","2","1","1","9","1") = "9"
    & skf18("10","2","2","1","1","10","1") = "9"
    & skf18("10","2","2","1","2","1","1") = "9"
    & skf18("10","2","2","1","2","2","1") = "9"
    & skf18("10","2","2","1","2","3","1") = "9"
    & skf18("10","2","2","1","2","4","1") = "9"
    & skf18("10","2","2","1","2","5","1") = "9"
    & skf18("10","2","2","1","2","6","1") = "9"
    & skf18("10","2","2","1","2","7","1") = "9"
    & skf18("10","2","2","1","2","8","1") = "9"
    & skf18("10","2","2","1","2","9","1") = "9"
    & skf18("10","2","2","1","2","10","1") = "9"
    & skf18("10","2","2","1","3","1","1") = "9"
    & skf18("10","2","2","1","3","2","1") = "9"
    & skf18("10","2","2","1","3","3","1") = "9"
    & skf18("10","2","2","1","3","4","1") = "9"
    & skf18("10","2","2","1","3","5","1") = "9"
    & skf18("10","2","2","1","3","6","1") = "9"
    & skf18("10","2","2","1","3","7","1") = "9"
    & skf18("10","2","2","1","3","8","1") = "9"
    & skf18("10","2","2","1","3","9","1") = "9"
    & skf18("10","2","2","1","3","10","1") = "9"
    & skf18("10","2","2","1","4","1","1") = "9"
    & skf18("10","2","2","1","4","2","1") = "9"
    & skf18("10","2","2","1","4","3","1") = "9"
    & skf18("10","2","2","1","4","4","1") = "9"
    & skf18("10","2","2","1","4","5","1") = "9"
    & skf18("10","2","2","1","4","6","1") = "9"
    & skf18("10","2","2","1","4","7","1") = "9"
    & skf18("10","2","2","1","4","8","1") = "9"
    & skf18("10","2","2","1","4","9","1") = "9"
    & skf18("10","2","2","1","4","10","1") = "9"
    & skf18("10","2","2","1","5","1","1") = "9"
    & skf18("10","2","2","1","5","2","1") = "9"
    & skf18("10","2","2","1","5","3","1") = "9"
    & skf18("10","2","2","1","5","4","1") = "9"
    & skf18("10","2","2","1","5","5","1") = "9"
    & skf18("10","2","2","1","5","6","1") = "9"
    & skf18("10","2","2","1","5","7","1") = "9"
    & skf18("10","2","2","1","5","8","1") = "9"
    & skf18("10","2","2","1","5","9","1") = "9"
    & skf18("10","2","2","1","5","10","1") = "9"
    & skf18("10","2","2","1","6","1","1") = "9"
    & skf18("10","2","2","1","6","2","1") = "9"
    & skf18("10","2","2","1","6","3","1") = "9"
    & skf18("10","2","2","1","6","4","1") = "9"
    & skf18("10","2","2","1","6","5","1") = "9"
    & skf18("10","2","2","1","6","6","1") = "9"
    & skf18("10","2","2","1","6","7","1") = "9"
    & skf18("10","2","2","1","6","8","1") = "9"
    & skf18("10","2","2","1","6","9","1") = "9"
    & skf18("10","2","2","1","6","10","1") = "9"
    & skf18("10","2","2","1","7","1","1") = "9"
    & skf18("10","2","2","1","7","2","1") = "9"
    & skf18("10","2","2","1","7","3","1") = "9"
    & skf18("10","2","2","1","7","4","1") = "9"
    & skf18("10","2","2","1","7","5","1") = "9"
    & skf18("10","2","2","1","7","6","1") = "9"
    & skf18("10","2","2","1","7","7","1") = "9"
    & skf18("10","2","2","1","7","8","1") = "9"
    & skf18("10","2","2","1","7","9","1") = "9"
    & skf18("10","2","2","1","7","10","1") = "9"
    & skf18("10","2","2","1","8","1","1") = "9"
    & skf18("10","2","2","1","8","2","1") = "9"
    & skf18("10","2","2","1","8","3","1") = "9"
    & skf18("10","2","2","1","8","4","1") = "9"
    & skf18("10","2","2","1","8","5","1") = "9"
    & skf18("10","2","2","1","8","6","1") = "9"
    & skf18("10","2","2","1","8","7","1") = "9"
    & skf18("10","2","2","1","8","8","1") = "9"
    & skf18("10","2","2","1","8","9","1") = "9"
    & skf18("10","2","2","1","8","10","1") = "9"
    & skf18("10","2","2","1","9","1","1") = "9"
    & skf18("10","2","2","1","9","2","1") = "9"
    & skf18("10","2","2","1","9","3","1") = "9"
    & skf18("10","2","2","1","9","4","1") = "9"
    & skf18("10","2","2","1","9","5","1") = "9"
    & skf18("10","2","2","1","9","6","1") = "9"
    & skf18("10","2","2","1","9","7","1") = "9"
    & skf18("10","2","2","1","9","8","1") = "9"
    & skf18("10","2","2","1","9","9","1") = "9"
    & skf18("10","2","2","1","9","10","1") = "9"
    & skf18("10","2","2","1","10","1","1") = "9"
    & skf18("10","2","2","1","10","2","1") = "9"
    & skf18("10","2","2","1","10","3","1") = "9"
    & skf18("10","2","2","1","10","4","1") = "9"
    & skf18("10","2","2","1","10","5","1") = "9"
    & skf18("10","2","2","1","10","6","1") = "9"
    & skf18("10","2","2","1","10","7","1") = "9"
    & skf18("10","2","2","1","10","8","1") = "9"
    & skf18("10","2","2","1","10","9","1") = "9"
    & skf18("10","2","2","1","10","10","1") = "9"
    & skf18("10","2","2","2","1","1","1") = "9"
    & skf18("10","2","2","2","1","2","1") = "9"
    & skf18("10","2","2","2","1","3","1") = "9"
    & skf18("10","2","2","2","1","4","1") = "9"
    & skf18("10","2","2","2","1","5","1") = "9"
    & skf18("10","2","2","2","1","6","1") = "9"
    & skf18("10","2","2","2","1","7","1") = "9"
    & skf18("10","2","2","2","1","8","1") = "9"
    & skf18("10","2","2","2","1","9","1") = "9"
    & skf18("10","2","2","2","1","10","1") = "9"
    & skf18("10","2","2","2","2","1","1") = "9"
    & skf18("10","2","2","2","2","2","1") = "9"
    & skf18("10","2","2","2","2","3","1") = "9"
    & skf18("10","2","2","2","2","4","1") = "9"
    & skf18("10","2","2","2","2","5","1") = "9"
    & skf18("10","2","2","2","2","6","1") = "9"
    & skf18("10","2","2","2","2","7","1") = "9"
    & skf18("10","2","2","2","2","8","1") = "9"
    & skf18("10","2","2","2","2","9","1") = "9"
    & skf18("10","2","2","2","2","10","1") = "9"
    & skf18("10","2","2","2","3","1","1") = "9"
    & skf18("10","2","2","2","3","2","1") = "9"
    & skf18("10","2","2","2","3","3","1") = "9"
    & skf18("10","2","2","2","3","4","1") = "9"
    & skf18("10","2","2","2","3","5","1") = "9"
    & skf18("10","2","2","2","3","6","1") = "9"
    & skf18("10","2","2","2","3","7","1") = "9"
    & skf18("10","2","2","2","3","8","1") = "9"
    & skf18("10","2","2","2","3","9","1") = "9"
    & skf18("10","2","2","2","3","10","1") = "9"
    & skf18("10","2","2","2","4","1","1") = "9"
    & skf18("10","2","2","2","4","2","1") = "9"
    & skf18("10","2","2","2","4","3","1") = "9"
    & skf18("10","2","2","2","4","4","1") = "9"
    & skf18("10","2","2","2","4","5","1") = "9"
    & skf18("10","2","2","2","4","6","1") = "9"
    & skf18("10","2","2","2","4","7","1") = "9"
    & skf18("10","2","2","2","4","8","1") = "9"
    & skf18("10","2","2","2","4","9","1") = "9"
    & skf18("10","2","2","2","4","10","1") = "9"
    & skf18("10","2","2","2","5","1","1") = "9"
    & skf18("10","2","2","2","5","2","1") = "9"
    & skf18("10","2","2","2","5","3","1") = "9"
    & skf18("10","2","2","2","5","4","1") = "9"
    & skf18("10","2","2","2","5","5","1") = "9"
    & skf18("10","2","2","2","5","6","1") = "9"
    & skf18("10","2","2","2","5","7","1") = "9"
    & skf18("10","2","2","2","5","8","1") = "9"
    & skf18("10","2","2","2","5","9","1") = "9"
    & skf18("10","2","2","2","5","10","1") = "9"
    & skf18("10","2","2","2","6","1","1") = "9"
    & skf18("10","2","2","2","6","2","1") = "9"
    & skf18("10","2","2","2","6","3","1") = "9"
    & skf18("10","2","2","2","6","4","1") = "9"
    & skf18("10","2","2","2","6","5","1") = "9"
    & skf18("10","2","2","2","6","6","1") = "9"
    & skf18("10","2","2","2","6","7","1") = "9"
    & skf18("10","2","2","2","6","8","1") = "9"
    & skf18("10","2","2","2","6","9","1") = "9"
    & skf18("10","2","2","2","6","10","1") = "9"
    & skf18("10","2","2","2","7","1","1") = "9"
    & skf18("10","2","2","2","7","2","1") = "9"
    & skf18("10","2","2","2","7","3","1") = "9"
    & skf18("10","2","2","2","7","4","1") = "9"
    & skf18("10","2","2","2","7","5","1") = "9"
    & skf18("10","2","2","2","7","6","1") = "9"
    & skf18("10","2","2","2","7","7","1") = "9"
    & skf18("10","2","2","2","7","8","1") = "9"
    & skf18("10","2","2","2","7","9","1") = "9"
    & skf18("10","2","2","2","7","10","1") = "9"
    & skf18("10","2","2","2","8","1","1") = "9"
    & skf18("10","2","2","2","8","2","1") = "9"
    & skf18("10","2","2","2","8","3","1") = "9"
    & skf18("10","2","2","2","8","4","1") = "9"
    & skf18("10","2","2","2","8","5","1") = "9"
    & skf18("10","2","2","2","8","6","1") = "9"
    & skf18("10","2","2","2","8","7","1") = "9"
    & skf18("10","2","2","2","8","8","1") = "9"
    & skf18("10","2","2","2","8","9","1") = "9"
    & skf18("10","2","2","2","8","10","1") = "9"
    & skf18("10","2","2","2","9","1","1") = "9"
    & skf18("10","2","2","2","9","2","1") = "9"
    & skf18("10","2","2","2","9","3","1") = "9"
    & skf18("10","2","2","2","9","4","1") = "9"
    & skf18("10","2","2","2","9","5","1") = "9"
    & skf18("10","2","2","2","9","6","1") = "9"
    & skf18("10","2","2","2","9","7","1") = "9"
    & skf18("10","2","2","2","9","8","1") = "9"
    & skf18("10","2","2","2","9","9","1") = "9"
    & skf18("10","2","2","2","9","10","1") = "9"
    & skf18("10","2","2","2","10","1","1") = "9"
    & skf18("10","2","2","2","10","2","1") = "9"
    & skf18("10","2","2","2","10","3","1") = "9"
    & skf18("10","2","2","2","10","4","1") = "9"
    & skf18("10","2","2","2","10","5","1") = "9"
    & skf18("10","2","2","2","10","6","1") = "9"
    & skf18("10","2","2","2","10","7","1") = "9"
    & skf18("10","2","2","2","10","8","1") = "9"
    & skf18("10","2","2","2","10","9","1") = "9"
    & skf18("10","2","2","2","10","10","1") = "9"
    & skf18("10","2","2","3","1","1","1") = "9"
    & skf18("10","2","2","3","1","2","1") = "9"
    & skf18("10","2","2","3","1","3","1") = "9"
    & skf18("10","2","2","3","1","4","1") = "9"
    & skf18("10","2","2","3","1","5","1") = "9"
    & skf18("10","2","2","3","1","6","1") = "9"
    & skf18("10","2","2","3","1","7","1") = "9"
    & skf18("10","2","2","3","1","8","1") = "9"
    & skf18("10","2","2","3","1","9","1") = "9"
    & skf18("10","2","2","3","1","10","1") = "9"
    & skf18("10","2","2","3","2","1","1") = "9"
    & skf18("10","2","2","3","2","2","1") = "9"
    & skf18("10","2","2","3","2","3","1") = "9"
    & skf18("10","2","2","3","2","4","1") = "9"
    & skf18("10","2","2","3","2","5","1") = "9"
    & skf18("10","2","2","3","2","6","1") = "9"
    & skf18("10","2","2","3","2","7","1") = "9"
    & skf18("10","2","2","3","2","8","1") = "9"
    & skf18("10","2","2","3","2","9","1") = "9"
    & skf18("10","2","2","3","2","10","1") = "9"
    & skf18("10","2","2","3","3","1","1") = "9"
    & skf18("10","2","2","3","3","2","1") = "9"
    & skf18("10","2","2","3","3","3","1") = "9"
    & skf18("10","2","2","3","3","4","1") = "9"
    & skf18("10","2","2","3","3","5","1") = "9"
    & skf18("10","2","2","3","3","6","1") = "9"
    & skf18("10","2","2","3","3","7","1") = "9"
    & skf18("10","2","2","3","3","8","1") = "9"
    & skf18("10","2","2","3","3","9","1") = "9"
    & skf18("10","2","2","3","3","10","1") = "9"
    & skf18("10","2","2","3","4","1","1") = "9"
    & skf18("10","2","2","3","4","2","1") = "9"
    & skf18("10","2","2","3","4","3","1") = "9"
    & skf18("10","2","2","3","4","4","1") = "9"
    & skf18("10","2","2","3","4","5","1") = "9"
    & skf18("10","2","2","3","4","6","1") = "9"
    & skf18("10","2","2","3","4","7","1") = "9"
    & skf18("10","2","2","3","4","8","1") = "9"
    & skf18("10","2","2","3","4","9","1") = "9"
    & skf18("10","2","2","3","4","10","1") = "9"
    & skf18("10","2","2","3","5","1","1") = "9"
    & skf18("10","2","2","3","5","2","1") = "9"
    & skf18("10","2","2","3","5","3","1") = "9"
    & skf18("10","2","2","3","5","4","1") = "9"
    & skf18("10","2","2","3","5","5","1") = "9"
    & skf18("10","2","2","3","5","6","1") = "9"
    & skf18("10","2","2","3","5","7","1") = "9"
    & skf18("10","2","2","3","5","8","1") = "9"
    & skf18("10","2","2","3","5","9","1") = "9"
    & skf18("10","2","2","3","5","10","1") = "9"
    & skf18("10","2","2","3","6","1","1") = "9"
    & skf18("10","2","2","3","6","2","1") = "9"
    & skf18("10","2","2","3","6","3","1") = "9"
    & skf18("10","2","2","3","6","4","1") = "9"
    & skf18("10","2","2","3","6","5","1") = "9"
    & skf18("10","2","2","3","6","6","1") = "9"
    & skf18("10","2","2","3","6","7","1") = "9"
    & skf18("10","2","2","3","6","8","1") = "9"
    & skf18("10","2","2","3","6","9","1") = "9"
    & skf18("10","2","2","3","6","10","1") = "9"
    & skf18("10","2","2","3","7","1","1") = "9"
    & skf18("10","2","2","3","7","2","1") = "9"
    & skf18("10","2","2","3","7","3","1") = "9"
    & skf18("10","2","2","3","7","4","1") = "9"
    & skf18("10","2","2","3","7","5","1") = "9"
    & skf18("10","2","2","3","7","6","1") = "9"
    & skf18("10","2","2","3","7","7","1") = "9"
    & skf18("10","2","2","3","7","8","1") = "9"
    & skf18("10","2","2","3","7","9","1") = "9"
    & skf18("10","2","2","3","7","10","1") = "9"
    & skf18("10","2","2","3","8","1","1") = "9"
    & skf18("10","2","2","3","8","2","1") = "9"
    & skf18("10","2","2","3","8","3","1") = "9"
    & skf18("10","2","2","3","8","4","1") = "9"
    & skf18("10","2","2","3","8","5","1") = "9"
    & skf18("10","2","2","3","8","6","1") = "9"
    & skf18("10","2","2","3","8","7","1") = "9"
    & skf18("10","2","2","3","8","8","1") = "9"
    & skf18("10","2","2","3","8","9","1") = "9"
    & skf18("10","2","2","3","8","10","1") = "9"
    & skf18("10","2","2","3","9","1","1") = "9"
    & skf18("10","2","2","3","9","2","1") = "9"
    & skf18("10","2","2","3","9","3","1") = "9"
    & skf18("10","2","2","3","9","4","1") = "9"
    & skf18("10","2","2","3","9","5","1") = "9"
    & skf18("10","2","2","3","9","6","1") = "9"
    & skf18("10","2","2","3","9","7","1") = "9"
    & skf18("10","2","2","3","9","8","1") = "9"
    & skf18("10","2","2","3","9","9","1") = "9"
    & skf18("10","2","2","3","9","10","1") = "9"
    & skf18("10","2","2","3","10","1","1") = "9"
    & skf18("10","2","2","3","10","2","1") = "9"
    & skf18("10","2","2","3","10","3","1") = "9"
    & skf18("10","2","2","3","10","4","1") = "9"
    & skf18("10","2","2","3","10","5","1") = "9"
    & skf18("10","2","2","3","10","6","1") = "9"
    & skf18("10","2","2","3","10","7","1") = "9"
    & skf18("10","2","2","3","10","8","1") = "9"
    & skf18("10","2","2","3","10","9","1") = "9"
    & skf18("10","2","2","3","10","10","1") = "9"
    & skf18("10","2","2","4","1","1","1") = "9"
    & skf18("10","2","2","4","1","2","1") = "9"
    & skf18("10","2","2","4","1","3","1") = "9"
    & skf18("10","2","2","4","1","4","1") = "9"
    & skf18("10","2","2","4","1","5","1") = "9"
    & skf18("10","2","2","4","1","6","1") = "9"
    & skf18("10","2","2","4","1","7","1") = "9"
    & skf18("10","2","2","4","1","8","1") = "9"
    & skf18("10","2","2","4","1","9","1") = "9"
    & skf18("10","2","2","4","1","10","1") = "9"
    & skf18("10","2","2","4","2","1","1") = "9"
    & skf18("10","2","2","4","2","2","1") = "9"
    & skf18("10","2","2","4","2","3","1") = "9"
    & skf18("10","2","2","4","2","4","1") = "9"
    & skf18("10","2","2","4","2","5","1") = "9"
    & skf18("10","2","2","4","2","6","1") = "9"
    & skf18("10","2","2","4","2","7","1") = "9"
    & skf18("10","2","2","4","2","8","1") = "9"
    & skf18("10","2","2","4","2","9","1") = "9"
    & skf18("10","2","2","4","2","10","1") = "9"
    & skf18("10","2","2","4","3","1","1") = "9"
    & skf18("10","2","2","4","3","2","1") = "9"
    & skf18("10","2","2","4","3","3","1") = "9"
    & skf18("10","2","2","4","3","4","1") = "9"
    & skf18("10","2","2","4","3","5","1") = "9"
    & skf18("10","2","2","4","3","6","1") = "9"
    & skf18("10","2","2","4","3","7","1") = "9"
    & skf18("10","2","2","4","3","8","1") = "9"
    & skf18("10","2","2","4","3","9","1") = "9"
    & skf18("10","2","2","4","3","10","1") = "9"
    & skf18("10","2","2","4","4","1","1") = "9"
    & skf18("10","2","2","4","4","2","1") = "9"
    & skf18("10","2","2","4","4","3","1") = "9"
    & skf18("10","2","2","4","4","4","1") = "9"
    & skf18("10","2","2","4","4","5","1") = "9"
    & skf18("10","2","2","4","4","6","1") = "9"
    & skf18("10","2","2","4","4","7","1") = "9"
    & skf18("10","2","2","4","4","8","1") = "9"
    & skf18("10","2","2","4","4","9","1") = "9"
    & skf18("10","2","2","4","4","10","1") = "9"
    & skf18("10","2","2","4","5","1","1") = "9"
    & skf18("10","2","2","4","5","2","1") = "9"
    & skf18("10","2","2","4","5","3","1") = "9"
    & skf18("10","2","2","4","5","4","1") = "9"
    & skf18("10","2","2","4","5","5","1") = "9"
    & skf18("10","2","2","4","5","6","1") = "9"
    & skf18("10","2","2","4","5","7","1") = "9"
    & skf18("10","2","2","4","5","8","1") = "9"
    & skf18("10","2","2","4","5","9","1") = "9"
    & skf18("10","2","2","4","5","10","1") = "9"
    & skf18("10","2","2","4","6","1","1") = "9"
    & skf18("10","2","2","4","6","2","1") = "9"
    & skf18("10","2","2","4","6","3","1") = "9"
    & skf18("10","2","2","4","6","4","1") = "9"
    & skf18("10","2","2","4","6","5","1") = "9"
    & skf18("10","2","2","4","6","6","1") = "9"
    & skf18("10","2","2","4","6","7","1") = "9"
    & skf18("10","2","2","4","6","8","1") = "9"
    & skf18("10","2","2","4","6","9","1") = "9"
    & skf18("10","2","2","4","6","10","1") = "9"
    & skf18("10","2","2","4","7","1","1") = "9"
    & skf18("10","2","2","4","7","2","1") = "9"
    & skf18("10","2","2","4","7","3","1") = "9"
    & skf18("10","2","2","4","7","4","1") = "9"
    & skf18("10","2","2","4","7","5","1") = "9"
    & skf18("10","2","2","4","7","6","1") = "9"
    & skf18("10","2","2","4","7","7","1") = "9"
    & skf18("10","2","2","4","7","8","1") = "9"
    & skf18("10","2","2","4","7","9","1") = "9"
    & skf18("10","2","2","4","7","10","1") = "9"
    & skf18("10","2","2","4","8","1","1") = "9"
    & skf18("10","2","2","4","8","2","1") = "9"
    & skf18("10","2","2","4","8","3","1") = "9"
    & skf18("10","2","2","4","8","4","1") = "9"
    & skf18("10","2","2","4","8","5","1") = "9"
    & skf18("10","2","2","4","8","6","1") = "9"
    & skf18("10","2","2","4","8","7","1") = "9"
    & skf18("10","2","2","4","8","8","1") = "9"
    & skf18("10","2","2","4","8","9","1") = "9"
    & skf18("10","2","2","4","8","10","1") = "9"
    & skf18("10","2","2","4","9","1","1") = "9"
    & skf18("10","2","2","4","9","2","1") = "9"
    & skf18("10","2","2","4","9","3","1") = "9"
    & skf18("10","2","2","4","9","4","1") = "9"
    & skf18("10","2","2","4","9","5","1") = "9"
    & skf18("10","2","2","4","9","6","1") = "9"
    & skf18("10","2","2","4","9","7","1") = "9"
    & skf18("10","2","2","4","9","8","1") = "9"
    & skf18("10","2","2","4","9","9","1") = "9"
    & skf18("10","2","2","4","9","10","1") = "9"
    & skf18("10","2","2","4","10","1","1") = "9"
    & skf18("10","2","2","4","10","2","1") = "9"
    & skf18("10","2","2","4","10","3","1") = "9"
    & skf18("10","2","2","4","10","4","1") = "9"
    & skf18("10","2","2","4","10","5","1") = "9"
    & skf18("10","2","2","4","10","6","1") = "9"
    & skf18("10","2","2","4","10","7","1") = "9"
    & skf18("10","2","2","4","10","8","1") = "9"
    & skf18("10","2","2","4","10","9","1") = "9"
    & skf18("10","2","2","4","10","10","1") = "9"
    & skf18("10","2","2","5","1","1","1") = "9"
    & skf18("10","2","2","5","1","2","1") = "9"
    & skf18("10","2","2","5","1","3","1") = "9"
    & skf18("10","2","2","5","1","4","1") = "9"
    & skf18("10","2","2","5","1","5","1") = "9"
    & skf18("10","2","2","5","1","6","1") = "9"
    & skf18("10","2","2","5","1","7","1") = "9"
    & skf18("10","2","2","5","1","8","1") = "9"
    & skf18("10","2","2","5","1","9","1") = "9"
    & skf18("10","2","2","5","1","10","1") = "9"
    & skf18("10","2","2","5","2","1","1") = "9"
    & skf18("10","2","2","5","2","2","1") = "9"
    & skf18("10","2","2","5","2","3","1") = "9"
    & skf18("10","2","2","5","2","4","1") = "9"
    & skf18("10","2","2","5","2","5","1") = "9"
    & skf18("10","2","2","5","2","6","1") = "9"
    & skf18("10","2","2","5","2","7","1") = "9"
    & skf18("10","2","2","5","2","8","1") = "9"
    & skf18("10","2","2","5","2","9","1") = "9"
    & skf18("10","2","2","5","2","10","1") = "9"
    & skf18("10","2","2","5","3","1","1") = "9"
    & skf18("10","2","2","5","3","2","1") = "9"
    & skf18("10","2","2","5","3","3","1") = "9"
    & skf18("10","2","2","5","3","4","1") = "9"
    & skf18("10","2","2","5","3","5","1") = "9"
    & skf18("10","2","2","5","3","6","1") = "9"
    & skf18("10","2","2","5","3","7","1") = "9"
    & skf18("10","2","2","5","3","8","1") = "9"
    & skf18("10","2","2","5","3","9","1") = "9"
    & skf18("10","2","2","5","3","10","1") = "9"
    & skf18("10","2","2","5","4","1","1") = "9"
    & skf18("10","2","2","5","4","2","1") = "9"
    & skf18("10","2","2","5","4","3","1") = "9"
    & skf18("10","2","2","5","4","4","1") = "9"
    & skf18("10","2","2","5","4","5","1") = "9"
    & skf18("10","2","2","5","4","6","1") = "9"
    & skf18("10","2","2","5","4","7","1") = "9"
    & skf18("10","2","2","5","4","8","1") = "9"
    & skf18("10","2","2","5","4","9","1") = "9"
    & skf18("10","2","2","5","4","10","1") = "9"
    & skf18("10","2","2","5","5","1","1") = "9"
    & skf18("10","2","2","5","5","2","1") = "9"
    & skf18("10","2","2","5","5","3","1") = "9"
    & skf18("10","2","2","5","5","4","1") = "9"
    & skf18("10","2","2","5","5","5","1") = "9"
    & skf18("10","2","2","5","5","6","1") = "9"
    & skf18("10","2","2","5","5","7","1") = "9"
    & skf18("10","2","2","5","5","8","1") = "9"
    & skf18("10","2","2","5","5","9","1") = "9"
    & skf18("10","2","2","5","5","10","1") = "9"
    & skf18("10","2","2","5","6","1","1") = "9"
    & skf18("10","2","2","5","6","2","1") = "9"
    & skf18("10","2","2","5","6","3","1") = "9"
    & skf18("10","2","2","5","6","4","1") = "9"
    & skf18("10","2","2","5","6","5","1") = "9"
    & skf18("10","2","2","5","6","6","1") = "9"
    & skf18("10","2","2","5","6","7","1") = "9"
    & skf18("10","2","2","5","6","8","1") = "9"
    & skf18("10","2","2","5","6","9","1") = "9"
    & skf18("10","2","2","5","6","10","1") = "9"
    & skf18("10","2","2","5","7","1","1") = "9"
    & skf18("10","2","2","5","7","2","1") = "9"
    & skf18("10","2","2","5","7","3","1") = "9"
    & skf18("10","2","2","5","7","4","1") = "9"
    & skf18("10","2","2","5","7","5","1") = "9"
    & skf18("10","2","2","5","7","6","1") = "9"
    & skf18("10","2","2","5","7","7","1") = "9"
    & skf18("10","2","2","5","7","8","1") = "9"
    & skf18("10","2","2","5","7","9","1") = "9"
    & skf18("10","2","2","5","7","10","1") = "9"
    & skf18("10","2","2","5","8","1","1") = "9"
    & skf18("10","2","2","5","8","2","1") = "9"
    & skf18("10","2","2","5","8","3","1") = "9"
    & skf18("10","2","2","5","8","4","1") = "9"
    & skf18("10","2","2","5","8","5","1") = "9"
    & skf18("10","2","2","5","8","6","1") = "9"
    & skf18("10","2","2","5","8","7","1") = "9"
    & skf18("10","2","2","5","8","8","1") = "9"
    & skf18("10","2","2","5","8","9","1") = "9"
    & skf18("10","2","2","5","8","10","1") = "9"
    & skf18("10","2","2","5","9","1","1") = "9"
    & skf18("10","2","2","5","9","2","1") = "9"
    & skf18("10","2","2","5","9","3","1") = "9"
    & skf18("10","2","2","5","9","4","1") = "9"
    & skf18("10","2","2","5","9","5","1") = "9"
    & skf18("10","2","2","5","9","6","1") = "9"
    & skf18("10","2","2","5","9","7","1") = "9"
    & skf18("10","2","2","5","9","8","1") = "9"
    & skf18("10","2","2","5","9","9","1") = "9"
    & skf18("10","2","2","5","9","10","1") = "9"
    & skf18("10","2","2","5","10","1","1") = "9"
    & skf18("10","2","2","5","10","2","1") = "9"
    & skf18("10","2","2","5","10","3","1") = "9"
    & skf18("10","2","2","5","10","4","1") = "9"
    & skf18("10","2","2","5","10","5","1") = "9"
    & skf18("10","2","2","5","10","6","1") = "9"
    & skf18("10","2","2","5","10","7","1") = "9"
    & skf18("10","2","2","5","10","8","1") = "9"
    & skf18("10","2","2","5","10","9","1") = "9"
    & skf18("10","2","2","5","10","10","1") = "9"
    & skf18("10","2","2","6","1","1","1") = "9"
    & skf18("10","2","2","6","1","2","1") = "9"
    & skf18("10","2","2","6","1","3","1") = "9"
    & skf18("10","2","2","6","1","4","1") = "9"
    & skf18("10","2","2","6","1","5","1") = "9"
    & skf18("10","2","2","6","1","6","1") = "9"
    & skf18("10","2","2","6","1","7","1") = "9"
    & skf18("10","2","2","6","1","8","1") = "9"
    & skf18("10","2","2","6","1","9","1") = "9"
    & skf18("10","2","2","6","1","10","1") = "9"
    & skf18("10","2","2","6","2","1","1") = "9"
    & skf18("10","2","2","6","2","2","1") = "9"
    & skf18("10","2","2","6","2","3","1") = "9"
    & skf18("10","2","2","6","2","4","1") = "9"
    & skf18("10","2","2","6","2","5","1") = "9"
    & skf18("10","2","2","6","2","6","1") = "9"
    & skf18("10","2","2","6","2","7","1") = "9"
    & skf18("10","2","2","6","2","8","1") = "9"
    & skf18("10","2","2","6","2","9","1") = "9"
    & skf18("10","2","2","6","2","10","1") = "9"
    & skf18("10","2","2","6","3","1","1") = "9"
    & skf18("10","2","2","6","3","2","1") = "9"
    & skf18("10","2","2","6","3","3","1") = "9"
    & skf18("10","2","2","6","3","4","1") = "9"
    & skf18("10","2","2","6","3","5","1") = "9"
    & skf18("10","2","2","6","3","6","1") = "9"
    & skf18("10","2","2","6","3","7","1") = "9"
    & skf18("10","2","2","6","3","8","1") = "9"
    & skf18("10","2","2","6","3","9","1") = "9"
    & skf18("10","2","2","6","3","10","1") = "9"
    & skf18("10","2","2","6","4","1","1") = "9"
    & skf18("10","2","2","6","4","2","1") = "9"
    & skf18("10","2","2","6","4","3","1") = "9"
    & skf18("10","2","2","6","4","4","1") = "9"
    & skf18("10","2","2","6","4","5","1") = "9"
    & skf18("10","2","2","6","4","6","1") = "9"
    & skf18("10","2","2","6","4","7","1") = "9"
    & skf18("10","2","2","6","4","8","1") = "9"
    & skf18("10","2","2","6","4","9","1") = "9"
    & skf18("10","2","2","6","4","10","1") = "9"
    & skf18("10","2","2","6","5","1","1") = "9"
    & skf18("10","2","2","6","5","2","1") = "9"
    & skf18("10","2","2","6","5","3","1") = "9"
    & skf18("10","2","2","6","5","4","1") = "9"
    & skf18("10","2","2","6","5","5","1") = "9"
    & skf18("10","2","2","6","5","6","1") = "9"
    & skf18("10","2","2","6","5","7","1") = "9"
    & skf18("10","2","2","6","5","8","1") = "9"
    & skf18("10","2","2","6","5","9","1") = "9"
    & skf18("10","2","2","6","5","10","1") = "9"
    & skf18("10","2","2","6","6","1","1") = "9"
    & skf18("10","2","2","6","6","2","1") = "9"
    & skf18("10","2","2","6","6","3","1") = "9"
    & skf18("10","2","2","6","6","4","1") = "9"
    & skf18("10","2","2","6","6","5","1") = "9"
    & skf18("10","2","2","6","6","6","1") = "9"
    & skf18("10","2","2","6","6","7","1") = "9"
    & skf18("10","2","2","6","6","8","1") = "9"
    & skf18("10","2","2","6","6","9","1") = "9"
    & skf18("10","2","2","6","6","10","1") = "9"
    & skf18("10","2","2","6","7","1","1") = "9"
    & skf18("10","2","2","6","7","2","1") = "9"
    & skf18("10","2","2","6","7","3","1") = "9"
    & skf18("10","2","2","6","7","4","1") = "9"
    & skf18("10","2","2","6","7","5","1") = "9"
    & skf18("10","2","2","6","7","6","1") = "9"
    & skf18("10","2","2","6","7","7","1") = "9"
    & skf18("10","2","2","6","7","8","1") = "9"
    & skf18("10","2","2","6","7","9","1") = "9"
    & skf18("10","2","2","6","7","10","1") = "9"
    & skf18("10","2","2","6","8","1","1") = "9"
    & skf18("10","2","2","6","8","2","1") = "9"
    & skf18("10","2","2","6","8","3","1") = "9"
    & skf18("10","2","2","6","8","4","1") = "9"
    & skf18("10","2","2","6","8","5","1") = "9"
    & skf18("10","2","2","6","8","6","1") = "9"
    & skf18("10","2","2","6","8","7","1") = "9"
    & skf18("10","2","2","6","8","8","1") = "9"
    & skf18("10","2","2","6","8","9","1") = "9"
    & skf18("10","2","2","6","8","10","1") = "9"
    & skf18("10","2","2","6","9","1","1") = "9"
    & skf18("10","2","2","6","9","2","1") = "9"
    & skf18("10","2","2","6","9","3","1") = "9"
    & skf18("10","2","2","6","9","4","1") = "9"
    & skf18("10","2","2","6","9","5","1") = "9"
    & skf18("10","2","2","6","9","6","1") = "9"
    & skf18("10","2","2","6","9","7","1") = "9"
    & skf18("10","2","2","6","9","8","1") = "9"
    & skf18("10","2","2","6","9","9","1") = "9"
    & skf18("10","2","2","6","9","10","1") = "9"
    & skf18("10","2","2","6","10","1","1") = "9"
    & skf18("10","2","2","6","10","2","1") = "9"
    & skf18("10","2","2","6","10","3","1") = "9"
    & skf18("10","2","2","6","10","4","1") = "9"
    & skf18("10","2","2","6","10","5","1") = "9"
    & skf18("10","2","2","6","10","6","1") = "9"
    & skf18("10","2","2","6","10","7","1") = "9"
    & skf18("10","2","2","6","10","8","1") = "9"
    & skf18("10","2","2","6","10","9","1") = "9"
    & skf18("10","2","2","6","10","10","1") = "9"
    & skf18("10","2","2","7","1","1","1") = "9"
    & skf18("10","2","2","7","1","2","1") = "9"
    & skf18("10","2","2","7","1","3","1") = "9"
    & skf18("10","2","2","7","1","4","1") = "9"
    & skf18("10","2","2","7","1","5","1") = "9"
    & skf18("10","2","2","7","1","6","1") = "9"
    & skf18("10","2","2","7","1","7","1") = "9"
    & skf18("10","2","2","7","1","8","1") = "9"
    & skf18("10","2","2","7","1","9","1") = "9"
    & skf18("10","2","2","7","1","10","1") = "9"
    & skf18("10","2","2","7","2","1","1") = "9"
    & skf18("10","2","2","7","2","2","1") = "9"
    & skf18("10","2","2","7","2","3","1") = "9"
    & skf18("10","2","2","7","2","4","1") = "9"
    & skf18("10","2","2","7","2","5","1") = "9"
    & skf18("10","2","2","7","2","6","1") = "9"
    & skf18("10","2","2","7","2","7","1") = "9"
    & skf18("10","2","2","7","2","8","1") = "9"
    & skf18("10","2","2","7","2","9","1") = "9"
    & skf18("10","2","2","7","2","10","1") = "9"
    & skf18("10","2","2","7","3","1","1") = "9"
    & skf18("10","2","2","7","3","2","1") = "9"
    & skf18("10","2","2","7","3","3","1") = "9"
    & skf18("10","2","2","7","3","4","1") = "9"
    & skf18("10","2","2","7","3","5","1") = "9"
    & skf18("10","2","2","7","3","6","1") = "9"
    & skf18("10","2","2","7","3","7","1") = "9"
    & skf18("10","2","2","7","3","8","1") = "9"
    & skf18("10","2","2","7","3","9","1") = "9"
    & skf18("10","2","2","7","3","10","1") = "9"
    & skf18("10","2","2","7","4","1","1") = "9"
    & skf18("10","2","2","7","4","2","1") = "9"
    & skf18("10","2","2","7","4","3","1") = "9"
    & skf18("10","2","2","7","4","4","1") = "9"
    & skf18("10","2","2","7","4","5","1") = "9"
    & skf18("10","2","2","7","4","6","1") = "9"
    & skf18("10","2","2","7","4","7","1") = "9"
    & skf18("10","2","2","7","4","8","1") = "9"
    & skf18("10","2","2","7","4","9","1") = "9"
    & skf18("10","2","2","7","4","10","1") = "9"
    & skf18("10","2","2","7","5","1","1") = "9"
    & skf18("10","2","2","7","5","2","1") = "9"
    & skf18("10","2","2","7","5","3","1") = "9"
    & skf18("10","2","2","7","5","4","1") = "9"
    & skf18("10","2","2","7","5","5","1") = "9"
    & skf18("10","2","2","7","5","6","1") = "9"
    & skf18("10","2","2","7","5","7","1") = "9"
    & skf18("10","2","2","7","5","8","1") = "9"
    & skf18("10","2","2","7","5","9","1") = "9"
    & skf18("10","2","2","7","5","10","1") = "9"
    & skf18("10","2","2","7","6","1","1") = "9"
    & skf18("10","2","2","7","6","2","1") = "9"
    & skf18("10","2","2","7","6","3","1") = "9"
    & skf18("10","2","2","7","6","4","1") = "9"
    & skf18("10","2","2","7","6","5","1") = "9"
    & skf18("10","2","2","7","6","6","1") = "9"
    & skf18("10","2","2","7","6","7","1") = "9"
    & skf18("10","2","2","7","6","8","1") = "9"
    & skf18("10","2","2","7","6","9","1") = "9"
    & skf18("10","2","2","7","6","10","1") = "9"
    & skf18("10","2","2","7","7","1","1") = "9"
    & skf18("10","2","2","7","7","2","1") = "9"
    & skf18("10","2","2","7","7","3","1") = "9"
    & skf18("10","2","2","7","7","4","1") = "9"
    & skf18("10","2","2","7","7","5","1") = "9"
    & skf18("10","2","2","7","7","6","1") = "9"
    & skf18("10","2","2","7","7","7","1") = "9"
    & skf18("10","2","2","7","7","8","1") = "9"
    & skf18("10","2","2","7","7","9","1") = "9"
    & skf18("10","2","2","7","7","10","1") = "9"
    & skf18("10","2","2","7","8","1","1") = "9"
    & skf18("10","2","2","7","8","2","1") = "9"
    & skf18("10","2","2","7","8","3","1") = "9"
    & skf18("10","2","2","7","8","4","1") = "9"
    & skf18("10","2","2","7","8","5","1") = "9"
    & skf18("10","2","2","7","8","6","1") = "9"
    & skf18("10","2","2","7","8","7","1") = "9"
    & skf18("10","2","2","7","8","8","1") = "9"
    & skf18("10","2","2","7","8","9","1") = "9"
    & skf18("10","2","2","7","8","10","1") = "9"
    & skf18("10","2","2","7","9","1","1") = "9"
    & skf18("10","2","2","7","9","2","1") = "9"
    & skf18("10","2","2","7","9","3","1") = "9"
    & skf18("10","2","2","7","9","4","1") = "9"
    & skf18("10","2","2","7","9","5","1") = "9"
    & skf18("10","2","2","7","9","6","1") = "9"
    & skf18("10","2","2","7","9","7","1") = "9"
    & skf18("10","2","2","7","9","8","1") = "9"
    & skf18("10","2","2","7","9","9","1") = "9"
    & skf18("10","2","2","7","9","10","1") = "9"
    & skf18("10","2","2","7","10","1","1") = "9"
    & skf18("10","2","2","7","10","2","1") = "9"
    & skf18("10","2","2","7","10","3","1") = "9"
    & skf18("10","2","2","7","10","4","1") = "9"
    & skf18("10","2","2","7","10","5","1") = "9"
    & skf18("10","2","2","7","10","6","1") = "9"
    & skf18("10","2","2","7","10","7","1") = "9"
    & skf18("10","2","2","7","10","8","1") = "9"
    & skf18("10","2","2","7","10","9","1") = "9"
    & skf18("10","2","2","7","10","10","1") = "9"
    & skf18("10","2","2","8","1","1","1") = "9"
    & skf18("10","2","2","8","1","2","1") = "9"
    & skf18("10","2","2","8","1","3","1") = "9"
    & skf18("10","2","2","8","1","4","1") = "9"
    & skf18("10","2","2","8","1","5","1") = "9"
    & skf18("10","2","2","8","1","6","1") = "9"
    & skf18("10","2","2","8","1","7","1") = "9"
    & skf18("10","2","2","8","1","8","1") = "9"
    & skf18("10","2","2","8","1","9","1") = "9"
    & skf18("10","2","2","8","1","10","1") = "9"
    & skf18("10","2","2","8","2","1","1") = "9"
    & skf18("10","2","2","8","2","2","1") = "9"
    & skf18("10","2","2","8","2","3","1") = "9"
    & skf18("10","2","2","8","2","4","1") = "9"
    & skf18("10","2","2","8","2","5","1") = "9"
    & skf18("10","2","2","8","2","6","1") = "9"
    & skf18("10","2","2","8","2","7","1") = "9"
    & skf18("10","2","2","8","2","8","1") = "9"
    & skf18("10","2","2","8","2","9","1") = "9"
    & skf18("10","2","2","8","2","10","1") = "9"
    & skf18("10","2","2","8","3","1","1") = "9"
    & skf18("10","2","2","8","3","2","1") = "9"
    & skf18("10","2","2","8","3","3","1") = "9"
    & skf18("10","2","2","8","3","4","1") = "9"
    & skf18("10","2","2","8","3","5","1") = "9"
    & skf18("10","2","2","8","3","6","1") = "9"
    & skf18("10","2","2","8","3","7","1") = "9"
    & skf18("10","2","2","8","3","8","1") = "9"
    & skf18("10","2","2","8","3","9","1") = "9"
    & skf18("10","2","2","8","3","10","1") = "9"
    & skf18("10","2","2","8","4","1","1") = "9"
    & skf18("10","2","2","8","4","2","1") = "9"
    & skf18("10","2","2","8","4","3","1") = "9"
    & skf18("10","2","2","8","4","4","1") = "9"
    & skf18("10","2","2","8","4","5","1") = "9"
    & skf18("10","2","2","8","4","6","1") = "9"
    & skf18("10","2","2","8","4","7","1") = "9"
    & skf18("10","2","2","8","4","8","1") = "9"
    & skf18("10","2","2","8","4","9","1") = "9"
    & skf18("10","2","2","8","4","10","1") = "9"
    & skf18("10","2","2","8","5","1","1") = "9"
    & skf18("10","2","2","8","5","2","1") = "9"
    & skf18("10","2","2","8","5","3","1") = "9"
    & skf18("10","2","2","8","5","4","1") = "9"
    & skf18("10","2","2","8","5","5","1") = "9"
    & skf18("10","2","2","8","5","6","1") = "9"
    & skf18("10","2","2","8","5","7","1") = "9"
    & skf18("10","2","2","8","5","8","1") = "9"
    & skf18("10","2","2","8","5","9","1") = "9"
    & skf18("10","2","2","8","5","10","1") = "9"
    & skf18("10","2","2","8","6","1","1") = "9"
    & skf18("10","2","2","8","6","2","1") = "9"
    & skf18("10","2","2","8","6","3","1") = "9"
    & skf18("10","2","2","8","6","4","1") = "9"
    & skf18("10","2","2","8","6","5","1") = "9"
    & skf18("10","2","2","8","6","6","1") = "9"
    & skf18("10","2","2","8","6","7","1") = "9"
    & skf18("10","2","2","8","6","8","1") = "9"
    & skf18("10","2","2","8","6","9","1") = "9"
    & skf18("10","2","2","8","6","10","1") = "9"
    & skf18("10","2","2","8","7","1","1") = "9"
    & skf18("10","2","2","8","7","2","1") = "9"
    & skf18("10","2","2","8","7","3","1") = "9"
    & skf18("10","2","2","8","7","4","1") = "9"
    & skf18("10","2","2","8","7","5","1") = "9"
    & skf18("10","2","2","8","7","6","1") = "9"
    & skf18("10","2","2","8","7","7","1") = "9"
    & skf18("10","2","2","8","7","8","1") = "9"
    & skf18("10","2","2","8","7","9","1") = "9"
    & skf18("10","2","2","8","7","10","1") = "9"
    & skf18("10","2","2","8","8","1","1") = "9"
    & skf18("10","2","2","8","8","2","1") = "9"
    & skf18("10","2","2","8","8","3","1") = "9"
    & skf18("10","2","2","8","8","4","1") = "9"
    & skf18("10","2","2","8","8","5","1") = "9"
    & skf18("10","2","2","8","8","6","1") = "9"
    & skf18("10","2","2","8","8","7","1") = "9"
    & skf18("10","2","2","8","8","8","1") = "9"
    & skf18("10","2","2","8","8","9","1") = "9"
    & skf18("10","2","2","8","8","10","1") = "9"
    & skf18("10","2","2","8","9","1","1") = "9"
    & skf18("10","2","2","8","9","2","1") = "9"
    & skf18("10","2","2","8","9","3","1") = "9"
    & skf18("10","2","2","8","9","4","1") = "9"
    & skf18("10","2","2","8","9","5","1") = "9"
    & skf18("10","2","2","8","9","6","1") = "9"
    & skf18("10","2","2","8","9","7","1") = "9"
    & skf18("10","2","2","8","9","8","1") = "9"
    & skf18("10","2","2","8","9","9","1") = "9"
    & skf18("10","2","2","8","9","10","1") = "9"
    & skf18("10","2","2","8","10","1","1") = "9"
    & skf18("10","2","2","8","10","2","1") = "9"
    & skf18("10","2","2","8","10","3","1") = "9"
    & skf18("10","2","2","8","10","4","1") = "9"
    & skf18("10","2","2","8","10","5","1") = "9"
    & skf18("10","2","2","8","10","6","1") = "9"
    & skf18("10","2","2","8","10","7","1") = "9"
    & skf18("10","2","2","8","10","8","1") = "9"
    & skf18("10","2","2","8","10","9","1") = "9"
    & skf18("10","2","2","8","10","10","1") = "9"
    & skf18("10","2","2","9","1","1","1") = "9"
    & skf18("10","2","2","9","1","2","1") = "9"
    & skf18("10","2","2","9","1","3","1") = "9"
    & skf18("10","2","2","9","1","4","1") = "9"
    & skf18("10","2","2","9","1","5","1") = "9"
    & skf18("10","2","2","9","1","6","1") = "9"
    & skf18("10","2","2","9","1","7","1") = "9"
    & skf18("10","2","2","9","1","8","1") = "9"
    & skf18("10","2","2","9","1","9","1") = "9"
    & skf18("10","2","2","9","1","10","1") = "9"
    & skf18("10","2","2","9","2","1","1") = "9"
    & skf18("10","2","2","9","2","2","1") = "9"
    & skf18("10","2","2","9","2","3","1") = "9"
    & skf18("10","2","2","9","2","4","1") = "9"
    & skf18("10","2","2","9","2","5","1") = "9"
    & skf18("10","2","2","9","2","6","1") = "9"
    & skf18("10","2","2","9","2","7","1") = "9"
    & skf18("10","2","2","9","2","8","1") = "9"
    & skf18("10","2","2","9","2","9","1") = "9"
    & skf18("10","2","2","9","2","10","1") = "9"
    & skf18("10","2","2","9","3","1","1") = "9"
    & skf18("10","2","2","9","3","2","1") = "9"
    & skf18("10","2","2","9","3","3","1") = "9"
    & skf18("10","2","2","9","3","4","1") = "9"
    & skf18("10","2","2","9","3","5","1") = "9"
    & skf18("10","2","2","9","3","6","1") = "9"
    & skf18("10","2","2","9","3","7","1") = "9"
    & skf18("10","2","2","9","3","8","1") = "9"
    & skf18("10","2","2","9","3","9","1") = "9"
    & skf18("10","2","2","9","3","10","1") = "9"
    & skf18("10","2","2","9","4","1","1") = "9"
    & skf18("10","2","2","9","4","2","1") = "9"
    & skf18("10","2","2","9","4","3","1") = "9"
    & skf18("10","2","2","9","4","4","1") = "9"
    & skf18("10","2","2","9","4","5","1") = "9"
    & skf18("10","2","2","9","4","6","1") = "9"
    & skf18("10","2","2","9","4","7","1") = "9"
    & skf18("10","2","2","9","4","8","1") = "9"
    & skf18("10","2","2","9","4","9","1") = "9"
    & skf18("10","2","2","9","4","10","1") = "9"
    & skf18("10","2","2","9","5","1","1") = "9"
    & skf18("10","2","2","9","5","2","1") = "9"
    & skf18("10","2","2","9","5","3","1") = "9"
    & skf18("10","2","2","9","5","4","1") = "9"
    & skf18("10","2","2","9","5","5","1") = "9"
    & skf18("10","2","2","9","5","6","1") = "9"
    & skf18("10","2","2","9","5","7","1") = "9"
    & skf18("10","2","2","9","5","8","1") = "9"
    & skf18("10","2","2","9","5","9","1") = "9"
    & skf18("10","2","2","9","5","10","1") = "9"
    & skf18("10","2","2","9","6","1","1") = "9"
    & skf18("10","2","2","9","6","2","1") = "9"
    & skf18("10","2","2","9","6","3","1") = "9"
    & skf18("10","2","2","9","6","4","1") = "9"
    & skf18("10","2","2","9","6","5","1") = "9"
    & skf18("10","2","2","9","6","6","1") = "9"
    & skf18("10","2","2","9","6","7","1") = "9"
    & skf18("10","2","2","9","6","8","1") = "9"
    & skf18("10","2","2","9","6","9","1") = "9"
    & skf18("10","2","2","9","6","10","1") = "9"
    & skf18("10","2","2","9","7","1","1") = "9"
    & skf18("10","2","2","9","7","2","1") = "9"
    & skf18("10","2","2","9","7","3","1") = "9"
    & skf18("10","2","2","9","7","4","1") = "9"
    & skf18("10","2","2","9","7","5","1") = "9"
    & skf18("10","2","2","9","7","6","1") = "9"
    & skf18("10","2","2","9","7","7","1") = "9"
    & skf18("10","2","2","9","7","8","1") = "9"
    & skf18("10","2","2","9","7","9","1") = "9"
    & skf18("10","2","2","9","7","10","1") = "9"
    & skf18("10","2","2","9","8","1","1") = "9"
    & skf18("10","2","2","9","8","2","1") = "9"
    & skf18("10","2","2","9","8","3","1") = "9"
    & skf18("10","2","2","9","8","4","1") = "9"
    & skf18("10","2","2","9","8","5","1") = "9"
    & skf18("10","2","2","9","8","6","1") = "9"
    & skf18("10","2","2","9","8","7","1") = "9"
    & skf18("10","2","2","9","8","8","1") = "9"
    & skf18("10","2","2","9","8","9","1") = "9"
    & skf18("10","2","2","9","8","10","1") = "9"
    & skf18("10","2","2","9","9","1","1") = "9"
    & skf18("10","2","2","9","9","2","1") = "9"
    & skf18("10","2","2","9","9","3","1") = "9"
    & skf18("10","2","2","9","9","4","1") = "9"
    & skf18("10","2","2","9","9","5","1") = "9"
    & skf18("10","2","2","9","9","6","1") = "9"
    & skf18("10","2","2","9","9","7","1") = "9"
    & skf18("10","2","2","9","9","8","1") = "9"
    & skf18("10","2","2","9","9","9","1") = "9"
    & skf18("10","2","2","9","9","10","1") = "9"
    & skf18("10","2","2","9","10","1","1") = "9"
    & skf18("10","2","2","9","10","2","1") = "9"
    & skf18("10","2","2","9","10","3","1") = "9"
    & skf18("10","2","2","9","10","4","1") = "9"
    & skf18("10","2","2","9","10","5","1") = "9"
    & skf18("10","2","2","9","10","6","1") = "9"
    & skf18("10","2","2","9","10","7","1") = "9"
    & skf18("10","2","2","9","10","8","1") = "9"
    & skf18("10","2","2","9","10","9","1") = "9"
    & skf18("10","2","2","9","10","10","1") = "9"
    & skf18("10","2","2","10","1","1","1") = "9"
    & skf18("10","2","2","10","1","2","1") = "9"
    & skf18("10","2","2","10","1","3","1") = "9"
    & skf18("10","2","2","10","1","4","1") = "9"
    & skf18("10","2","2","10","1","5","1") = "9"
    & skf18("10","2","2","10","1","6","1") = "9"
    & skf18("10","2","2","10","1","7","1") = "9"
    & skf18("10","2","2","10","1","8","1") = "9"
    & skf18("10","2","2","10","1","9","1") = "9"
    & skf18("10","2","2","10","1","10","1") = "9"
    & skf18("10","2","2","10","2","1","1") = "9"
    & skf18("10","2","2","10","2","2","1") = "9"
    & skf18("10","2","2","10","2","3","1") = "9"
    & skf18("10","2","2","10","2","4","1") = "9"
    & skf18("10","2","2","10","2","5","1") = "9"
    & skf18("10","2","2","10","2","6","1") = "9"
    & skf18("10","2","2","10","2","7","1") = "9"
    & skf18("10","2","2","10","2","8","1") = "9"
    & skf18("10","2","2","10","2","9","1") = "9"
    & skf18("10","2","2","10","2","10","1") = "9"
    & skf18("10","2","2","10","3","1","1") = "9"
    & skf18("10","2","2","10","3","2","1") = "9"
    & skf18("10","2","2","10","3","3","1") = "9"
    & skf18("10","2","2","10","3","4","1") = "9"
    & skf18("10","2","2","10","3","5","1") = "9"
    & skf18("10","2","2","10","3","6","1") = "9"
    & skf18("10","2","2","10","3","7","1") = "9"
    & skf18("10","2","2","10","3","8","1") = "9"
    & skf18("10","2","2","10","3","9","1") = "9"
    & skf18("10","2","2","10","3","10","1") = "9"
    & skf18("10","2","2","10","4","1","1") = "9"
    & skf18("10","2","2","10","4","2","1") = "9"
    & skf18("10","2","2","10","4","3","1") = "9"
    & skf18("10","2","2","10","4","4","1") = "9"
    & skf18("10","2","2","10","4","5","1") = "9"
    & skf18("10","2","2","10","4","6","1") = "9"
    & skf18("10","2","2","10","4","7","1") = "9"
    & skf18("10","2","2","10","4","8","1") = "9"
    & skf18("10","2","2","10","4","9","1") = "9"
    & skf18("10","2","2","10","4","10","1") = "9"
    & skf18("10","2","2","10","5","1","1") = "9"
    & skf18("10","2","2","10","5","2","1") = "9"
    & skf18("10","2","2","10","5","3","1") = "9"
    & skf18("10","2","2","10","5","4","1") = "9"
    & skf18("10","2","2","10","5","5","1") = "9"
    & skf18("10","2","2","10","5","6","1") = "9"
    & skf18("10","2","2","10","5","7","1") = "9"
    & skf18("10","2","2","10","5","8","1") = "9"
    & skf18("10","2","2","10","5","9","1") = "9"
    & skf18("10","2","2","10","5","10","1") = "9"
    & skf18("10","2","2","10","6","1","1") = "9"
    & skf18("10","2","2","10","6","2","1") = "9"
    & skf18("10","2","2","10","6","3","1") = "9"
    & skf18("10","2","2","10","6","4","1") = "9"
    & skf18("10","2","2","10","6","5","1") = "9"
    & skf18("10","2","2","10","6","6","1") = "9"
    & skf18("10","2","2","10","6","7","1") = "9"
    & skf18("10","2","2","10","6","8","1") = "9"
    & skf18("10","2","2","10","6","9","1") = "9"
    & skf18("10","2","2","10","6","10","1") = "9"
    & skf18("10","2","2","10","7","1","1") = "9"
    & skf18("10","2","2","10","7","2","1") = "9"
    & skf18("10","2","2","10","7","3","1") = "9"
    & skf18("10","2","2","10","7","4","1") = "9"
    & skf18("10","2","2","10","7","5","1") = "9"
    & skf18("10","2","2","10","7","6","1") = "9"
    & skf18("10","2","2","10","7","7","1") = "9"
    & skf18("10","2","2","10","7","8","1") = "9"
    & skf18("10","2","2","10","7","9","1") = "9"
    & skf18("10","2","2","10","7","10","1") = "9"
    & skf18("10","2","2","10","8","1","1") = "9"
    & skf18("10","2","2","10","8","2","1") = "9"
    & skf18("10","2","2","10","8","3","1") = "9"
    & skf18("10","2","2","10","8","4","1") = "9"
    & skf18("10","2","2","10","8","5","1") = "9"
    & skf18("10","2","2","10","8","6","1") = "9"
    & skf18("10","2","2","10","8","7","1") = "9"
    & skf18("10","2","2","10","8","8","1") = "9"
    & skf18("10","2","2","10","8","9","1") = "9"
    & skf18("10","2","2","10","8","10","1") = "9"
    & skf18("10","2","2","10","9","1","1") = "9"
    & skf18("10","2","2","10","9","2","1") = "9"
    & skf18("10","2","2","10","9","3","1") = "9"
    & skf18("10","2","2","10","9","4","1") = "9"
    & skf18("10","2","2","10","9","5","1") = "9"
    & skf18("10","2","2","10","9","6","1") = "9"
    & skf18("10","2","2","10","9","7","1") = "9"
    & skf18("10","2","2","10","9","8","1") = "9"
    & skf18("10","2","2","10","9","9","1") = "9"
    & skf18("10","2","2","10","9","10","1") = "9"
    & skf18("10","2","2","10","10","1","1") = "9"
    & skf18("10","2","2","10","10","2","1") = "9"
    & skf18("10","2","2","10","10","3","1") = "9"
    & skf18("10","2","2","10","10","4","1") = "9"
    & skf18("10","2","2","10","10","5","1") = "9"
    & skf18("10","2","2","10","10","6","1") = "9"
    & skf18("10","2","2","10","10","7","1") = "9"
    & skf18("10","2","2","10","10","8","1") = "9"
    & skf18("10","2","2","10","10","9","1") = "9"
    & skf18("10","2","2","10","10","10","1") = "9"
    & skf18("10","2","3","1","1","1","1") = "9"
    & skf18("10","2","3","1","1","2","1") = "9"
    & skf18("10","2","3","1","1","3","1") = "9"
    & skf18("10","2","3","1","1","4","1") = "9"
    & skf18("10","2","3","1","1","5","1") = "9"
    & skf18("10","2","3","1","1","6","1") = "9"
    & skf18("10","2","3","1","1","7","1") = "9"
    & skf18("10","2","3","1","1","8","1") = "9"
    & skf18("10","2","3","1","1","9","1") = "9"
    & skf18("10","2","3","1","1","10","1") = "9"
    & skf18("10","2","3","1","2","1","1") = "9"
    & skf18("10","2","3","1","2","2","1") = "9"
    & skf18("10","2","3","1","2","3","1") = "9"
    & skf18("10","2","3","1","2","4","1") = "9"
    & skf18("10","2","3","1","2","5","1") = "9"
    & skf18("10","2","3","1","2","6","1") = "9"
    & skf18("10","2","3","1","2","7","1") = "9"
    & skf18("10","2","3","1","2","8","1") = "9"
    & skf18("10","2","3","1","2","9","1") = "9"
    & skf18("10","2","3","1","2","10","1") = "9"
    & skf18("10","2","3","1","3","1","1") = "9"
    & skf18("10","2","3","1","3","2","1") = "9"
    & skf18("10","2","3","1","3","3","1") = "9"
    & skf18("10","2","3","1","3","4","1") = "9"
    & skf18("10","2","3","1","3","5","1") = "9"
    & skf18("10","2","3","1","3","6","1") = "9"
    & skf18("10","2","3","1","3","7","1") = "9"
    & skf18("10","2","3","1","3","8","1") = "9"
    & skf18("10","2","3","1","3","9","1") = "9"
    & skf18("10","2","3","1","3","10","1") = "9"
    & skf18("10","2","3","1","4","1","1") = "9"
    & skf18("10","2","3","1","4","2","1") = "9"
    & skf18("10","2","3","1","4","3","1") = "9"
    & skf18("10","2","3","1","4","4","1") = "9"
    & skf18("10","2","3","1","4","5","1") = "9"
    & skf18("10","2","3","1","4","6","1") = "9"
    & skf18("10","2","3","1","4","7","1") = "9"
    & skf18("10","2","3","1","4","8","1") = "9"
    & skf18("10","2","3","1","4","9","1") = "9"
    & skf18("10","2","3","1","4","10","1") = "9"
    & skf18("10","2","3","1","5","1","1") = "9"
    & skf18("10","2","3","1","5","2","1") = "9"
    & skf18("10","2","3","1","5","3","1") = "9"
    & skf18("10","2","3","1","5","4","1") = "9"
    & skf18("10","2","3","1","5","5","1") = "9"
    & skf18("10","2","3","1","5","6","1") = "9"
    & skf18("10","2","3","1","5","7","1") = "9"
    & skf18("10","2","3","1","5","8","1") = "9"
    & skf18("10","2","3","1","5","9","1") = "9"
    & skf18("10","2","3","1","5","10","1") = "9"
    & skf18("10","2","3","1","6","1","1") = "9"
    & skf18("10","2","3","1","6","2","1") = "9"
    & skf18("10","2","3","1","6","3","1") = "9"
    & skf18("10","2","3","1","6","4","1") = "9"
    & skf18("10","2","3","1","6","5","1") = "9"
    & skf18("10","2","3","1","6","6","1") = "9"
    & skf18("10","2","3","1","6","7","1") = "9"
    & skf18("10","2","3","1","6","8","1") = "9"
    & skf18("10","2","3","1","6","9","1") = "9"
    & skf18("10","2","3","1","6","10","1") = "9"
    & skf18("10","2","3","1","7","1","1") = "9"
    & skf18("10","2","3","1","7","2","1") = "9"
    & skf18("10","2","3","1","7","3","1") = "9"
    & skf18("10","2","3","1","7","4","1") = "9"
    & skf18("10","2","3","1","7","5","1") = "9"
    & skf18("10","2","3","1","7","6","1") = "9"
    & skf18("10","2","3","1","7","7","1") = "9"
    & skf18("10","2","3","1","7","8","1") = "9"
    & skf18("10","2","3","1","7","9","1") = "9"
    & skf18("10","2","3","1","7","10","1") = "9"
    & skf18("10","2","3","1","8","1","1") = "9"
    & skf18("10","2","3","1","8","2","1") = "9"
    & skf18("10","2","3","1","8","3","1") = "9"
    & skf18("10","2","3","1","8","4","1") = "9"
    & skf18("10","2","3","1","8","5","1") = "9"
    & skf18("10","2","3","1","8","6","1") = "9"
    & skf18("10","2","3","1","8","7","1") = "9"
    & skf18("10","2","3","1","8","8","1") = "9"
    & skf18("10","2","3","1","8","9","1") = "9"
    & skf18("10","2","3","1","8","10","1") = "9"
    & skf18("10","2","3","1","9","1","1") = "9"
    & skf18("10","2","3","1","9","2","1") = "9"
    & skf18("10","2","3","1","9","3","1") = "9"
    & skf18("10","2","3","1","9","4","1") = "9"
    & skf18("10","2","3","1","9","5","1") = "9"
    & skf18("10","2","3","1","9","6","1") = "9"
    & skf18("10","2","3","1","9","7","1") = "9"
    & skf18("10","2","3","1","9","8","1") = "9"
    & skf18("10","2","3","1","9","9","1") = "9"
    & skf18("10","2","3","1","9","10","1") = "9"
    & skf18("10","2","3","1","10","1","1") = "9"
    & skf18("10","2","3","1","10","2","1") = "9"
    & skf18("10","2","3","1","10","3","1") = "9"
    & skf18("10","2","3","1","10","4","1") = "9"
    & skf18("10","2","3","1","10","5","1") = "9"
    & skf18("10","2","3","1","10","6","1") = "9"
    & skf18("10","2","3","1","10","7","1") = "9"
    & skf18("10","2","3","1","10","8","1") = "9"
    & skf18("10","2","3","1","10","9","1") = "9"
    & skf18("10","2","3","1","10","10","1") = "9"
    & skf18("10","2","3","2","1","1","1") = "9"
    & skf18("10","2","3","2","1","2","1") = "9"
    & skf18("10","2","3","2","1","3","1") = "9"
    & skf18("10","2","3","2","1","4","1") = "9"
    & skf18("10","2","3","2","1","5","1") = "9"
    & skf18("10","2","3","2","1","6","1") = "9"
    & skf18("10","2","3","2","1","7","1") = "9"
    & skf18("10","2","3","2","1","8","1") = "9"
    & skf18("10","2","3","2","1","9","1") = "9"
    & skf18("10","2","3","2","1","10","1") = "9"
    & skf18("10","2","3","2","2","1","1") = "9"
    & skf18("10","2","3","2","2","2","1") = "9"
    & skf18("10","2","3","2","2","3","1") = "9"
    & skf18("10","2","3","2","2","4","1") = "9"
    & skf18("10","2","3","2","2","5","1") = "9"
    & skf18("10","2","3","2","2","6","1") = "9"
    & skf18("10","2","3","2","2","7","1") = "9"
    & skf18("10","2","3","2","2","8","1") = "9"
    & skf18("10","2","3","2","2","9","1") = "9"
    & skf18("10","2","3","2","2","10","1") = "9"
    & skf18("10","2","3","2","3","1","1") = "9"
    & skf18("10","2","3","2","3","2","1") = "9"
    & skf18("10","2","3","2","3","3","1") = "9"
    & skf18("10","2","3","2","3","4","1") = "9"
    & skf18("10","2","3","2","3","5","1") = "9"
    & skf18("10","2","3","2","3","6","1") = "9"
    & skf18("10","2","3","2","3","7","1") = "9"
    & skf18("10","2","3","2","3","8","1") = "9"
    & skf18("10","2","3","2","3","9","1") = "9"
    & skf18("10","2","3","2","3","10","1") = "9"
    & skf18("10","2","3","2","4","1","1") = "9"
    & skf18("10","2","3","2","4","2","1") = "9"
    & skf18("10","2","3","2","4","3","1") = "9"
    & skf18("10","2","3","2","4","4","1") = "9"
    & skf18("10","2","3","2","4","5","1") = "9"
    & skf18("10","2","3","2","4","6","1") = "9"
    & skf18("10","2","3","2","4","7","1") = "9"
    & skf18("10","2","3","2","4","8","1") = "9"
    & skf18("10","2","3","2","4","9","1") = "9"
    & skf18("10","2","3","2","4","10","1") = "9"
    & skf18("10","2","3","2","5","1","1") = "9"
    & skf18("10","2","3","2","5","2","1") = "9"
    & skf18("10","2","3","2","5","3","1") = "9"
    & skf18("10","2","3","2","5","4","1") = "9"
    & skf18("10","2","3","2","5","5","1") = "9"
    & skf18("10","2","3","2","5","6","1") = "9"
    & skf18("10","2","3","2","5","7","1") = "9"
    & skf18("10","2","3","2","5","8","1") = "9"
    & skf18("10","2","3","2","5","9","1") = "9"
    & skf18("10","2","3","2","5","10","1") = "9"
    & skf18("10","2","3","2","6","1","1") = "9"
    & skf18("10","2","3","2","6","2","1") = "9"
    & skf18("10","2","3","2","6","3","1") = "9"
    & skf18("10","2","3","2","6","4","1") = "9"
    & skf18("10","2","3","2","6","5","1") = "9"
    & skf18("10","2","3","2","6","6","1") = "9"
    & skf18("10","2","3","2","6","7","1") = "9"
    & skf18("10","2","3","2","6","8","1") = "9"
    & skf18("10","2","3","2","6","9","1") = "9"
    & skf18("10","2","3","2","6","10","1") = "9"
    & skf18("10","2","3","2","7","1","1") = "9"
    & skf18("10","2","3","2","7","2","1") = "9"
    & skf18("10","2","3","2","7","3","1") = "9"
    & skf18("10","2","3","2","7","4","1") = "9"
    & skf18("10","2","3","2","7","5","1") = "9"
    & skf18("10","2","3","2","7","6","1") = "9"
    & skf18("10","2","3","2","7","7","1") = "9"
    & skf18("10","2","3","2","7","8","1") = "9"
    & skf18("10","2","3","2","7","9","1") = "9"
    & skf18("10","2","3","2","7","10","1") = "9"
    & skf18("10","2","3","2","8","1","1") = "9"
    & skf18("10","2","3","2","8","2","1") = "9"
    & skf18("10","2","3","2","8","3","1") = "9"
    & skf18("10","2","3","2","8","4","1") = "9"
    & skf18("10","2","3","2","8","5","1") = "9"
    & skf18("10","2","3","2","8","6","1") = "9"
    & skf18("10","2","3","2","8","7","1") = "9"
    & skf18("10","2","3","2","8","8","1") = "9"
    & skf18("10","2","3","2","8","9","1") = "9"
    & skf18("10","2","3","2","8","10","1") = "9"
    & skf18("10","2","3","2","9","1","1") = "9"
    & skf18("10","2","3","2","9","2","1") = "9"
    & skf18("10","2","3","2","9","3","1") = "9"
    & skf18("10","2","3","2","9","4","1") = "9"
    & skf18("10","2","3","2","9","5","1") = "9"
    & skf18("10","2","3","2","9","6","1") = "9"
    & skf18("10","2","3","2","9","7","1") = "9"
    & skf18("10","2","3","2","9","8","1") = "9"
    & skf18("10","2","3","2","9","9","1") = "9"
    & skf18("10","2","3","2","9","10","1") = "9"
    & skf18("10","2","3","2","10","1","1") = "9"
    & skf18("10","2","3","2","10","2","1") = "9"
    & skf18("10","2","3","2","10","3","1") = "9"
    & skf18("10","2","3","2","10","4","1") = "9"
    & skf18("10","2","3","2","10","5","1") = "9"
    & skf18("10","2","3","2","10","6","1") = "9"
    & skf18("10","2","3","2","10","7","1") = "9"
    & skf18("10","2","3","2","10","8","1") = "9"
    & skf18("10","2","3","2","10","9","1") = "9"
    & skf18("10","2","3","2","10","10","1") = "9"
    & skf18("10","2","3","3","1","1","1") = "9"
    & skf18("10","2","3","3","1","2","1") = "9"
    & skf18("10","2","3","3","1","3","1") = "9"
    & skf18("10","2","3","3","1","4","1") = "9"
    & skf18("10","2","3","3","1","5","1") = "9"
    & skf18("10","2","3","3","1","6","1") = "9"
    & skf18("10","2","3","3","1","7","1") = "9"
    & skf18("10","2","3","3","1","8","1") = "9"
    & skf18("10","2","3","3","1","9","1") = "9"
    & skf18("10","2","3","3","1","10","1") = "9"
    & skf18("10","2","3","3","2","1","1") = "9"
    & skf18("10","2","3","3","2","2","1") = "9"
    & skf18("10","2","3","3","2","3","1") = "9"
    & skf18("10","2","3","3","2","4","1") = "9"
    & skf18("10","2","3","3","2","5","1") = "9"
    & skf18("10","2","3","3","2","6","1") = "9"
    & skf18("10","2","3","3","2","7","1") = "9"
    & skf18("10","2","3","3","2","8","1") = "9"
    & skf18("10","2","3","3","2","9","1") = "9"
    & skf18("10","2","3","3","2","10","1") = "9"
    & skf18("10","2","3","3","3","1","1") = "9"
    & skf18("10","2","3","3","3","2","1") = "9"
    & skf18("10","2","3","3","3","3","1") = "9"
    & skf18("10","2","3","3","3","4","1") = "9"
    & skf18("10","2","3","3","3","5","1") = "9"
    & skf18("10","2","3","3","3","6","1") = "9"
    & skf18("10","2","3","3","3","7","1") = "9"
    & skf18("10","2","3","3","3","8","1") = "9"
    & skf18("10","2","3","3","3","9","1") = "9"
    & skf18("10","2","3","3","3","10","1") = "9"
    & skf18("10","2","3","3","4","1","1") = "9"
    & skf18("10","2","3","3","4","2","1") = "9"
    & skf18("10","2","3","3","4","3","1") = "9"
    & skf18("10","2","3","3","4","4","1") = "9"
    & skf18("10","2","3","3","4","5","1") = "9"
    & skf18("10","2","3","3","4","6","1") = "9"
    & skf18("10","2","3","3","4","7","1") = "9"
    & skf18("10","2","3","3","4","8","1") = "9"
    & skf18("10","2","3","3","4","9","1") = "9"
    & skf18("10","2","3","3","4","10","1") = "9"
    & skf18("10","2","3","3","5","1","1") = "9"
    & skf18("10","2","3","3","5","2","1") = "9"
    & skf18("10","2","3","3","5","3","1") = "9"
    & skf18("10","2","3","3","5","4","1") = "9"
    & skf18("10","2","3","3","5","5","1") = "9"
    & skf18("10","2","3","3","5","6","1") = "9"
    & skf18("10","2","3","3","5","7","1") = "9"
    & skf18("10","2","3","3","5","8","1") = "9"
    & skf18("10","2","3","3","5","9","1") = "9"
    & skf18("10","2","3","3","5","10","1") = "9"
    & skf18("10","2","3","3","6","1","1") = "9"
    & skf18("10","2","3","3","6","2","1") = "9"
    & skf18("10","2","3","3","6","3","1") = "9"
    & skf18("10","2","3","3","6","4","1") = "9"
    & skf18("10","2","3","3","6","5","1") = "9"
    & skf18("10","2","3","3","6","6","1") = "9"
    & skf18("10","2","3","3","6","7","1") = "9"
    & skf18("10","2","3","3","6","8","1") = "9"
    & skf18("10","2","3","3","6","9","1") = "9"
    & skf18("10","2","3","3","6","10","1") = "9"
    & skf18("10","2","3","3","7","1","1") = "9"
    & skf18("10","2","3","3","7","2","1") = "9"
    & skf18("10","2","3","3","7","3","1") = "9"
    & skf18("10","2","3","3","7","4","1") = "9"
    & skf18("10","2","3","3","7","5","1") = "9"
    & skf18("10","2","3","3","7","6","1") = "9"
    & skf18("10","2","3","3","7","7","1") = "9"
    & skf18("10","2","3","3","7","8","1") = "9"
    & skf18("10","2","3","3","7","9","1") = "9"
    & skf18("10","2","3","3","7","10","1") = "9"
    & skf18("10","2","3","3","8","1","1") = "9"
    & skf18("10","2","3","3","8","2","1") = "9"
    & skf18("10","2","3","3","8","3","1") = "9"
    & skf18("10","2","3","3","8","4","1") = "9"
    & skf18("10","2","3","3","8","5","1") = "9"
    & skf18("10","2","3","3","8","6","1") = "9"
    & skf18("10","2","3","3","8","7","1") = "9"
    & skf18("10","2","3","3","8","8","1") = "9"
    & skf18("10","2","3","3","8","9","1") = "9"
    & skf18("10","2","3","3","8","10","1") = "9"
    & skf18("10","2","3","3","9","1","1") = "9"
    & skf18("10","2","3","3","9","2","1") = "9"
    & skf18("10","2","3","3","9","3","1") = "9"
    & skf18("10","2","3","3","9","4","1") = "9"
    & skf18("10","2","3","3","9","5","1") = "9"
    & skf18("10","2","3","3","9","6","1") = "9"
    & skf18("10","2","3","3","9","7","1") = "9"
    & skf18("10","2","3","3","9","8","1") = "9"
    & skf18("10","2","3","3","9","9","1") = "9"
    & skf18("10","2","3","3","9","10","1") = "9"
    & skf18("10","2","3","3","10","1","1") = "9"
    & skf18("10","2","3","3","10","2","1") = "9"
    & skf18("10","2","3","3","10","3","1") = "9"
    & skf18("10","2","3","3","10","4","1") = "9"
    & skf18("10","2","3","3","10","5","1") = "9"
    & skf18("10","2","3","3","10","6","1") = "9"
    & skf18("10","2","3","3","10","7","1") = "9"
    & skf18("10","2","3","3","10","8","1") = "9"
    & skf18("10","2","3","3","10","9","1") = "9"
    & skf18("10","2","3","3","10","10","1") = "9"
    & skf18("10","2","3","4","1","1","1") = "9"
    & skf18("10","2","3","4","1","2","1") = "9"
    & skf18("10","2","3","4","1","3","1") = "9"
    & skf18("10","2","3","4","1","4","1") = "9"
    & skf18("10","2","3","4","1","5","1") = "9"
    & skf18("10","2","3","4","1","6","1") = "9"
    & skf18("10","2","3","4","1","7","1") = "9"
    & skf18("10","2","3","4","1","8","1") = "9"
    & skf18("10","2","3","4","1","9","1") = "9"
    & skf18("10","2","3","4","1","10","1") = "9"
    & skf18("10","2","3","4","2","1","1") = "9"
    & skf18("10","2","3","4","2","2","1") = "9"
    & skf18("10","2","3","4","2","3","1") = "9"
    & skf18("10","2","3","4","2","4","1") = "9"
    & skf18("10","2","3","4","2","5","1") = "9"
    & skf18("10","2","3","4","2","6","1") = "9"
    & skf18("10","2","3","4","2","7","1") = "9"
    & skf18("10","2","3","4","2","8","1") = "9"
    & skf18("10","2","3","4","2","9","1") = "9"
    & skf18("10","2","3","4","2","10","1") = "9"
    & skf18("10","2","3","4","3","1","1") = "9"
    & skf18("10","2","3","4","3","2","1") = "9"
    & skf18("10","2","3","4","3","3","1") = "9"
    & skf18("10","2","3","4","3","4","1") = "9"
    & skf18("10","2","3","4","3","5","1") = "9"
    & skf18("10","2","3","4","3","6","1") = "9"
    & skf18("10","2","3","4","3","7","1") = "9"
    & skf18("10","2","3","4","3","8","1") = "9"
    & skf18("10","2","3","4","3","9","1") = "9"
    & skf18("10","2","3","4","3","10","1") = "9"
    & skf18("10","2","3","4","4","1","1") = "9"
    & skf18("10","2","3","4","4","2","1") = "9"
    & skf18("10","2","3","4","4","3","1") = "9"
    & skf18("10","2","3","4","4","4","1") = "9"
    & skf18("10","2","3","4","4","5","1") = "9"
    & skf18("10","2","3","4","4","6","1") = "9"
    & skf18("10","2","3","4","4","7","1") = "9"
    & skf18("10","2","3","4","4","8","1") = "9"
    & skf18("10","2","3","4","4","9","1") = "9"
    & skf18("10","2","3","4","4","10","1") = "9"
    & skf18("10","2","3","4","5","1","1") = "9"
    & skf18("10","2","3","4","5","2","1") = "9"
    & skf18("10","2","3","4","5","3","1") = "9"
    & skf18("10","2","3","4","5","4","1") = "9"
    & skf18("10","2","3","4","5","5","1") = "9"
    & skf18("10","2","3","4","5","6","1") = "9"
    & skf18("10","2","3","4","5","7","1") = "9"
    & skf18("10","2","3","4","5","8","1") = "9"
    & skf18("10","2","3","4","5","9","1") = "9"
    & skf18("10","2","3","4","5","10","1") = "9"
    & skf18("10","2","3","4","6","1","1") = "9"
    & skf18("10","2","3","4","6","2","1") = "9"
    & skf18("10","2","3","4","6","3","1") = "9"
    & skf18("10","2","3","4","6","4","1") = "9"
    & skf18("10","2","3","4","6","5","1") = "9"
    & skf18("10","2","3","4","6","6","1") = "9"
    & skf18("10","2","3","4","6","7","1") = "9"
    & skf18("10","2","3","4","6","8","1") = "9"
    & skf18("10","2","3","4","6","9","1") = "9"
    & skf18("10","2","3","4","6","10","1") = "9"
    & skf18("10","2","3","4","7","1","1") = "9"
    & skf18("10","2","3","4","7","2","1") = "9"
    & skf18("10","2","3","4","7","3","1") = "9"
    & skf18("10","2","3","4","7","4","1") = "9"
    & skf18("10","2","3","4","7","5","1") = "9"
    & skf18("10","2","3","4","7","6","1") = "9"
    & skf18("10","2","3","4","7","7","1") = "9"
    & skf18("10","2","3","4","7","8","1") = "9"
    & skf18("10","2","3","4","7","9","1") = "9"
    & skf18("10","2","3","4","7","10","1") = "9"
    & skf18("10","2","3","4","8","1","1") = "9"
    & skf18("10","2","3","4","8","2","1") = "9"
    & skf18("10","2","3","4","8","3","1") = "9"
    & skf18("10","2","3","4","8","4","1") = "9"
    & skf18("10","2","3","4","8","5","1") = "9"
    & skf18("10","2","3","4","8","6","1") = "9"
    & skf18("10","2","3","4","8","7","1") = "9"
    & skf18("10","2","3","4","8","8","1") = "9"
    & skf18("10","2","3","4","8","9","1") = "9"
    & skf18("10","2","3","4","8","10","1") = "9"
    & skf18("10","2","3","4","9","1","1") = "9"
    & skf18("10","2","3","4","9","2","1") = "9"
    & skf18("10","2","3","4","9","3","1") = "9"
    & skf18("10","2","3","4","9","4","1") = "9"
    & skf18("10","2","3","4","9","5","1") = "9"
    & skf18("10","2","3","4","9","6","1") = "9"
    & skf18("10","2","3","4","9","7","1") = "9"
    & skf18("10","2","3","4","9","8","1") = "9"
    & skf18("10","2","3","4","9","9","1") = "9"
    & skf18("10","2","3","4","9","10","1") = "9"
    & skf18("10","2","3","4","10","1","1") = "9"
    & skf18("10","2","3","4","10","2","1") = "9"
    & skf18("10","2","3","4","10","3","1") = "9"
    & skf18("10","2","3","4","10","4","1") = "9"
    & skf18("10","2","3","4","10","5","1") = "9"
    & skf18("10","2","3","4","10","6","1") = "9"
    & skf18("10","2","3","4","10","7","1") = "9"
    & skf18("10","2","3","4","10","8","1") = "9"
    & skf18("10","2","3","4","10","9","1") = "9"
    & skf18("10","2","3","4","10","10","1") = "9"
    & skf18("10","2","3","5","1","1","1") = "9"
    & skf18("10","2","3","5","1","2","1") = "9"
    & skf18("10","2","3","5","1","3","1") = "9"
    & skf18("10","2","3","5","1","4","1") = "9"
    & skf18("10","2","3","5","1","5","1") = "9"
    & skf18("10","2","3","5","1","6","1") = "9"
    & skf18("10","2","3","5","1","7","1") = "9"
    & skf18("10","2","3","5","1","8","1") = "9"
    & skf18("10","2","3","5","1","9","1") = "9"
    & skf18("10","2","3","5","1","10","1") = "9"
    & skf18("10","2","3","5","2","1","1") = "9"
    & skf18("10","2","3","5","2","2","1") = "9"
    & skf18("10","2","3","5","2","3","1") = "9"
    & skf18("10","2","3","5","2","4","1") = "9"
    & skf18("10","2","3","5","2","5","1") = "9"
    & skf18("10","2","3","5","2","6","1") = "9"
    & skf18("10","2","3","5","2","7","1") = "9"
    & skf18("10","2","3","5","2","8","1") = "9"
    & skf18("10","2","3","5","2","9","1") = "9"
    & skf18("10","2","3","5","2","10","1") = "9"
    & skf18("10","2","3","5","3","1","1") = "9"
    & skf18("10","2","3","5","3","2","1") = "9"
    & skf18("10","2","3","5","3","3","1") = "9"
    & skf18("10","2","3","5","3","4","1") = "9"
    & skf18("10","2","3","5","3","5","1") = "9"
    & skf18("10","2","3","5","3","6","1") = "9"
    & skf18("10","2","3","5","3","7","1") = "9"
    & skf18("10","2","3","5","3","8","1") = "9"
    & skf18("10","2","3","5","3","9","1") = "9"
    & skf18("10","2","3","5","3","10","1") = "9"
    & skf18("10","2","3","5","4","1","1") = "9"
    & skf18("10","2","3","5","4","2","1") = "9"
    & skf18("10","2","3","5","4","3","1") = "9"
    & skf18("10","2","3","5","4","4","1") = "9"
    & skf18("10","2","3","5","4","5","1") = "9"
    & skf18("10","2","3","5","4","6","1") = "9"
    & skf18("10","2","3","5","4","7","1") = "9"
    & skf18("10","2","3","5","4","8","1") = "9"
    & skf18("10","2","3","5","4","9","1") = "9"
    & skf18("10","2","3","5","4","10","1") = "9"
    & skf18("10","2","3","5","5","1","1") = "9"
    & skf18("10","2","3","5","5","2","1") = "9"
    & skf18("10","2","3","5","5","3","1") = "9"
    & skf18("10","2","3","5","5","4","1") = "9"
    & skf18("10","2","3","5","5","5","1") = "9"
    & skf18("10","2","3","5","5","6","1") = "9"
    & skf18("10","2","3","5","5","7","1") = "9"
    & skf18("10","2","3","5","5","8","1") = "9"
    & skf18("10","2","3","5","5","9","1") = "9"
    & skf18("10","2","3","5","5","10","1") = "9"
    & skf18("10","2","3","5","6","1","1") = "9"
    & skf18("10","2","3","5","6","2","1") = "9"
    & skf18("10","2","3","5","6","3","1") = "9"
    & skf18("10","2","3","5","6","4","1") = "9"
    & skf18("10","2","3","5","6","5","1") = "9"
    & skf18("10","2","3","5","6","6","1") = "9"
    & skf18("10","2","3","5","6","7","1") = "9"
    & skf18("10","2","3","5","6","8","1") = "9"
    & skf18("10","2","3","5","6","9","1") = "9"
    & skf18("10","2","3","5","6","10","1") = "9"
    & skf18("10","2","3","5","7","1","1") = "9"
    & skf18("10","2","3","5","7","2","1") = "9"
    & skf18("10","2","3","5","7","3","1") = "9"
    & skf18("10","2","3","5","7","4","1") = "9"
    & skf18("10","2","3","5","7","5","1") = "9"
    & skf18("10","2","3","5","7","6","1") = "9"
    & skf18("10","2","3","5","7","7","1") = "9"
    & skf18("10","2","3","5","7","8","1") = "9"
    & skf18("10","2","3","5","7","9","1") = "9"
    & skf18("10","2","3","5","7","10","1") = "9"
    & skf18("10","2","3","5","8","1","1") = "9"
    & skf18("10","2","3","5","8","2","1") = "9"
    & skf18("10","2","3","5","8","3","1") = "9"
    & skf18("10","2","3","5","8","4","1") = "9"
    & skf18("10","2","3","5","8","5","1") = "9"
    & skf18("10","2","3","5","8","6","1") = "9"
    & skf18("10","2","3","5","8","7","1") = "9"
    & skf18("10","2","3","5","8","8","1") = "9"
    & skf18("10","2","3","5","8","9","1") = "9"
    & skf18("10","2","3","5","8","10","1") = "9"
    & skf18("10","2","3","5","9","1","1") = "9"
    & skf18("10","2","3","5","9","2","1") = "9"
    & skf18("10","2","3","5","9","3","1") = "9"
    & skf18("10","2","3","5","9","4","1") = "9"
    & skf18("10","2","3","5","9","5","1") = "9"
    & skf18("10","2","3","5","9","6","1") = "9"
    & skf18("10","2","3","5","9","7","1") = "9"
    & skf18("10","2","3","5","9","8","1") = "9"
    & skf18("10","2","3","5","9","9","1") = "9"
    & skf18("10","2","3","5","9","10","1") = "9"
    & skf18("10","2","3","5","10","1","1") = "9"
    & skf18("10","2","3","5","10","2","1") = "9"
    & skf18("10","2","3","5","10","3","1") = "9"
    & skf18("10","2","3","5","10","4","1") = "9"
    & skf18("10","2","3","5","10","5","1") = "9"
    & skf18("10","2","3","5","10","6","1") = "9"
    & skf18("10","2","3","5","10","7","1") = "9"
    & skf18("10","2","3","5","10","8","1") = "9"
    & skf18("10","2","3","5","10","9","1") = "9"
    & skf18("10","2","3","5","10","10","1") = "9"
    & skf18("10","2","3","6","1","1","1") = "9"
    & skf18("10","2","3","6","1","2","1") = "9"
    & skf18("10","2","3","6","1","3","1") = "9"
    & skf18("10","2","3","6","1","4","1") = "9"
    & skf18("10","2","3","6","1","5","1") = "9"
    & skf18("10","2","3","6","1","6","1") = "9"
    & skf18("10","2","3","6","1","7","1") = "9"
    & skf18("10","2","3","6","1","8","1") = "9"
    & skf18("10","2","3","6","1","9","1") = "9"
    & skf18("10","2","3","6","1","10","1") = "9"
    & skf18("10","2","3","6","2","1","1") = "9"
    & skf18("10","2","3","6","2","2","1") = "9"
    & skf18("10","2","3","6","2","3","1") = "9"
    & skf18("10","2","3","6","2","4","1") = "9"
    & skf18("10","2","3","6","2","5","1") = "9"
    & skf18("10","2","3","6","2","6","1") = "9"
    & skf18("10","2","3","6","2","7","1") = "9"
    & skf18("10","2","3","6","2","8","1") = "9"
    & skf18("10","2","3","6","2","9","1") = "9"
    & skf18("10","2","3","6","2","10","1") = "9"
    & skf18("10","2","3","6","3","1","1") = "9"
    & skf18("10","2","3","6","3","2","1") = "9"
    & skf18("10","2","3","6","3","3","1") = "9"
    & skf18("10","2","3","6","3","4","1") = "9"
    & skf18("10","2","3","6","3","5","1") = "9"
    & skf18("10","2","3","6","3","6","1") = "9"
    & skf18("10","2","3","6","3","7","1") = "9"
    & skf18("10","2","3","6","3","8","1") = "9"
    & skf18("10","2","3","6","3","9","1") = "9"
    & skf18("10","2","3","6","3","10","1") = "9"
    & skf18("10","2","3","6","4","1","1") = "9"
    & skf18("10","2","3","6","4","2","1") = "9"
    & skf18("10","2","3","6","4","3","1") = "9"
    & skf18("10","2","3","6","4","4","1") = "9"
    & skf18("10","2","3","6","4","5","1") = "9"
    & skf18("10","2","3","6","4","6","1") = "9"
    & skf18("10","2","3","6","4","7","1") = "9"
    & skf18("10","2","3","6","4","8","1") = "9"
    & skf18("10","2","3","6","4","9","1") = "9"
    & skf18("10","2","3","6","4","10","1") = "9"
    & skf18("10","2","3","6","5","1","1") = "9"
    & skf18("10","2","3","6","5","2","1") = "9"
    & skf18("10","2","3","6","5","3","1") = "9"
    & skf18("10","2","3","6","5","4","1") = "9"
    & skf18("10","2","3","6","5","5","1") = "9"
    & skf18("10","2","3","6","5","6","1") = "9"
    & skf18("10","2","3","6","5","7","1") = "9"
    & skf18("10","2","3","6","5","8","1") = "9"
    & skf18("10","2","3","6","5","9","1") = "9"
    & skf18("10","2","3","6","5","10","1") = "9"
    & skf18("10","2","3","6","6","1","1") = "9"
    & skf18("10","2","3","6","6","2","1") = "9"
    & skf18("10","2","3","6","6","3","1") = "9"
    & skf18("10","2","3","6","6","4","1") = "9"
    & skf18("10","2","3","6","6","5","1") = "9"
    & skf18("10","2","3","6","6","6","1") = "9"
    & skf18("10","2","3","6","6","7","1") = "9"
    & skf18("10","2","3","6","6","8","1") = "9"
    & skf18("10","2","3","6","6","9","1") = "9"
    & skf18("10","2","3","6","6","10","1") = "9"
    & skf18("10","2","3","6","7","1","1") = "9"
    & skf18("10","2","3","6","7","2","1") = "9"
    & skf18("10","2","3","6","7","3","1") = "9"
    & skf18("10","2","3","6","7","4","1") = "9"
    & skf18("10","2","3","6","7","5","1") = "9"
    & skf18("10","2","3","6","7","6","1") = "9"
    & skf18("10","2","3","6","7","7","1") = "9"
    & skf18("10","2","3","6","7","8","1") = "9"
    & skf18("10","2","3","6","7","9","1") = "9"
    & skf18("10","2","3","6","7","10","1") = "9"
    & skf18("10","2","3","6","8","1","1") = "9"
    & skf18("10","2","3","6","8","2","1") = "9"
    & skf18("10","2","3","6","8","3","1") = "9"
    & skf18("10","2","3","6","8","4","1") = "9"
    & skf18("10","2","3","6","8","5","1") = "9"
    & skf18("10","2","3","6","8","6","1") = "9"
    & skf18("10","2","3","6","8","7","1") = "9"
    & skf18("10","2","3","6","8","8","1") = "9"
    & skf18("10","2","3","6","8","9","1") = "9"
    & skf18("10","2","3","6","8","10","1") = "9"
    & skf18("10","2","3","6","9","1","1") = "9"
    & skf18("10","2","3","6","9","2","1") = "9"
    & skf18("10","2","3","6","9","3","1") = "9"
    & skf18("10","2","3","6","9","4","1") = "9"
    & skf18("10","2","3","6","9","5","1") = "9"
    & skf18("10","2","3","6","9","6","1") = "9"
    & skf18("10","2","3","6","9","7","1") = "9"
    & skf18("10","2","3","6","9","8","1") = "9"
    & skf18("10","2","3","6","9","9","1") = "9"
    & skf18("10","2","3","6","9","10","1") = "9"
    & skf18("10","2","3","6","10","1","1") = "9"
    & skf18("10","2","3","6","10","2","1") = "9"
    & skf18("10","2","3","6","10","3","1") = "9"
    & skf18("10","2","3","6","10","4","1") = "9"
    & skf18("10","2","3","6","10","5","1") = "9"
    & skf18("10","2","3","6","10","6","1") = "9"
    & skf18("10","2","3","6","10","7","1") = "9"
    & skf18("10","2","3","6","10","8","1") = "9"
    & skf18("10","2","3","6","10","9","1") = "9"
    & skf18("10","2","3","6","10","10","1") = "9"
    & skf18("10","2","3","7","1","1","1") = "9"
    & skf18("10","2","3","7","1","2","1") = "9"
    & skf18("10","2","3","7","1","3","1") = "9"
    & skf18("10","2","3","7","1","4","1") = "9"
    & skf18("10","2","3","7","1","5","1") = "9"
    & skf18("10","2","3","7","1","6","1") = "9"
    & skf18("10","2","3","7","1","7","1") = "9"
    & skf18("10","2","3","7","1","8","1") = "9"
    & skf18("10","2","3","7","1","9","1") = "9"
    & skf18("10","2","3","7","1","10","1") = "9"
    & skf18("10","2","3","7","2","1","1") = "9"
    & skf18("10","2","3","7","2","2","1") = "9"
    & skf18("10","2","3","7","2","3","1") = "9"
    & skf18("10","2","3","7","2","4","1") = "9"
    & skf18("10","2","3","7","2","5","1") = "9"
    & skf18("10","2","3","7","2","6","1") = "9"
    & skf18("10","2","3","7","2","7","1") = "9"
    & skf18("10","2","3","7","2","8","1") = "9"
    & skf18("10","2","3","7","2","9","1") = "9"
    & skf18("10","2","3","7","2","10","1") = "9"
    & skf18("10","2","3","7","3","1","1") = "9"
    & skf18("10","2","3","7","3","2","1") = "9"
    & skf18("10","2","3","7","3","3","1") = "9"
    & skf18("10","2","3","7","3","4","1") = "9"
    & skf18("10","2","3","7","3","5","1") = "9"
    & skf18("10","2","3","7","3","6","1") = "9"
    & skf18("10","2","3","7","3","7","1") = "9"
    & skf18("10","2","3","7","3","8","1") = "9"
    & skf18("10","2","3","7","3","9","1") = "9"
    & skf18("10","2","3","7","3","10","1") = "9"
    & skf18("10","2","3","7","4","1","1") = "9"
    & skf18("10","2","3","7","4","2","1") = "9"
    & skf18("10","2","3","7","4","3","1") = "9"
    & skf18("10","2","3","7","4","4","1") = "9"
    & skf18("10","2","3","7","4","5","1") = "9"
    & skf18("10","2","3","7","4","6","1") = "9"
    & skf18("10","2","3","7","4","7","1") = "9"
    & skf18("10","2","3","7","4","8","1") = "9"
    & skf18("10","2","3","7","4","9","1") = "9"
    & skf18("10","2","3","7","4","10","1") = "9"
    & skf18("10","2","3","7","5","1","1") = "9"
    & skf18("10","2","3","7","5","2","1") = "9"
    & skf18("10","2","3","7","5","3","1") = "9"
    & skf18("10","2","3","7","5","4","1") = "9"
    & skf18("10","2","3","7","5","5","1") = "9"
    & skf18("10","2","3","7","5","6","1") = "9"
    & skf18("10","2","3","7","5","7","1") = "9"
    & skf18("10","2","3","7","5","8","1") = "9"
    & skf18("10","2","3","7","5","9","1") = "9"
    & skf18("10","2","3","7","5","10","1") = "9"
    & skf18("10","2","3","7","6","1","1") = "9"
    & skf18("10","2","3","7","6","2","1") = "9"
    & skf18("10","2","3","7","6","3","1") = "9"
    & skf18("10","2","3","7","6","4","1") = "9"
    & skf18("10","2","3","7","6","5","1") = "9"
    & skf18("10","2","3","7","6","6","1") = "9"
    & skf18("10","2","3","7","6","7","1") = "9"
    & skf18("10","2","3","7","6","8","1") = "9"
    & skf18("10","2","3","7","6","9","1") = "9"
    & skf18("10","2","3","7","6","10","1") = "9"
    & skf18("10","2","3","7","7","1","1") = "9"
    & skf18("10","2","3","7","7","2","1") = "9"
    & skf18("10","2","3","7","7","3","1") = "9"
    & skf18("10","2","3","7","7","4","1") = "9"
    & skf18("10","2","3","7","7","5","1") = "9"
    & skf18("10","2","3","7","7","6","1") = "9"
    & skf18("10","2","3","7","7","7","1") = "9"
    & skf18("10","2","3","7","7","8","1") = "9"
    & skf18("10","2","3","7","7","9","1") = "9"
    & skf18("10","2","3","7","7","10","1") = "9"
    & skf18("10","2","3","7","8","1","1") = "9"
    & skf18("10","2","3","7","8","2","1") = "9"
    & skf18("10","2","3","7","8","3","1") = "9"
    & skf18("10","2","3","7","8","4","1") = "9"
    & skf18("10","2","3","7","8","5","1") = "9"
    & skf18("10","2","3","7","8","6","1") = "9"
    & skf18("10","2","3","7","8","7","1") = "9"
    & skf18("10","2","3","7","8","8","1") = "9"
    & skf18("10","2","3","7","8","9","1") = "9"
    & skf18("10","2","3","7","8","10","1") = "9"
    & skf18("10","2","3","7","9","1","1") = "9"
    & skf18("10","2","3","7","9","2","1") = "9"
    & skf18("10","2","3","7","9","3","1") = "9"
    & skf18("10","2","3","7","9","4","1") = "9"
    & skf18("10","2","3","7","9","5","1") = "9"
    & skf18("10","2","3","7","9","6","1") = "9"
    & skf18("10","2","3","7","9","7","1") = "9"
    & skf18("10","2","3","7","9","8","1") = "9"
    & skf18("10","2","3","7","9","9","1") = "9"
    & skf18("10","2","3","7","9","10","1") = "9"
    & skf18("10","2","3","7","10","1","1") = "9"
    & skf18("10","2","3","7","10","2","1") = "9"
    & skf18("10","2","3","7","10","3","1") = "9"
    & skf18("10","2","3","7","10","4","1") = "9"
    & skf18("10","2","3","7","10","5","1") = "9"
    & skf18("10","2","3","7","10","6","1") = "9"
    & skf18("10","2","3","7","10","7","1") = "9"
    & skf18("10","2","3","7","10","8","1") = "9"
    & skf18("10","2","3","7","10","9","1") = "9"
    & skf18("10","2","3","7","10","10","1") = "9"
    & skf18("10","2","3","8","1","1","1") = "9"
    & skf18("10","2","3","8","1","2","1") = "9"
    & skf18("10","2","3","8","1","3","1") = "9"
    & skf18("10","2","3","8","1","4","1") = "9"
    & skf18("10","2","3","8","1","5","1") = "9"
    & skf18("10","2","3","8","1","6","1") = "9"
    & skf18("10","2","3","8","1","7","1") = "9"
    & skf18("10","2","3","8","1","8","1") = "9"
    & skf18("10","2","3","8","1","9","1") = "9"
    & skf18("10","2","3","8","1","10","1") = "9"
    & skf18("10","2","3","8","2","1","1") = "9"
    & skf18("10","2","3","8","2","2","1") = "9"
    & skf18("10","2","3","8","2","3","1") = "9"
    & skf18("10","2","3","8","2","4","1") = "9"
    & skf18("10","2","3","8","2","5","1") = "9"
    & skf18("10","2","3","8","2","6","1") = "9"
    & skf18("10","2","3","8","2","7","1") = "9"
    & skf18("10","2","3","8","2","8","1") = "9"
    & skf18("10","2","3","8","2","9","1") = "9"
    & skf18("10","2","3","8","2","10","1") = "9"
    & skf18("10","2","3","8","3","1","1") = "9"
    & skf18("10","2","3","8","3","2","1") = "9"
    & skf18("10","2","3","8","3","3","1") = "9"
    & skf18("10","2","3","8","3","4","1") = "9"
    & skf18("10","2","3","8","3","5","1") = "9"
    & skf18("10","2","3","8","3","6","1") = "9"
    & skf18("10","2","3","8","3","7","1") = "9"
    & skf18("10","2","3","8","3","8","1") = "9"
    & skf18("10","2","3","8","3","9","1") = "9"
    & skf18("10","2","3","8","3","10","1") = "9"
    & skf18("10","2","3","8","4","1","1") = "9"
    & skf18("10","2","3","8","4","2","1") = "9"
    & skf18("10","2","3","8","4","3","1") = "9"
    & skf18("10","2","3","8","4","4","1") = "9"
    & skf18("10","2","3","8","4","5","1") = "9"
    & skf18("10","2","3","8","4","6","1") = "9"
    & skf18("10","2","3","8","4","7","1") = "9"
    & skf18("10","2","3","8","4","8","1") = "9"
    & skf18("10","2","3","8","4","9","1") = "9"
    & skf18("10","2","3","8","4","10","1") = "9"
    & skf18("10","2","3","8","5","1","1") = "9"
    & skf18("10","2","3","8","5","2","1") = "9"
    & skf18("10","2","3","8","5","3","1") = "9"
    & skf18("10","2","3","8","5","4","1") = "9"
    & skf18("10","2","3","8","5","5","1") = "9"
    & skf18("10","2","3","8","5","6","1") = "9"
    & skf18("10","2","3","8","5","7","1") = "9"
    & skf18("10","2","3","8","5","8","1") = "9"
    & skf18("10","2","3","8","5","9","1") = "9"
    & skf18("10","2","3","8","5","10","1") = "9"
    & skf18("10","2","3","8","6","1","1") = "9"
    & skf18("10","2","3","8","6","2","1") = "9"
    & skf18("10","2","3","8","6","3","1") = "9"
    & skf18("10","2","3","8","6","4","1") = "9"
    & skf18("10","2","3","8","6","5","1") = "9"
    & skf18("10","2","3","8","6","6","1") = "9"
    & skf18("10","2","3","8","6","7","1") = "9"
    & skf18("10","2","3","8","6","8","1") = "9"
    & skf18("10","2","3","8","6","9","1") = "9"
    & skf18("10","2","3","8","6","10","1") = "9"
    & skf18("10","2","3","8","7","1","1") = "9"
    & skf18("10","2","3","8","7","2","1") = "9"
    & skf18("10","2","3","8","7","3","1") = "9"
    & skf18("10","2","3","8","7","4","1") = "9"
    & skf18("10","2","3","8","7","5","1") = "9"
    & skf18("10","2","3","8","7","6","1") = "9"
    & skf18("10","2","3","8","7","7","1") = "9"
    & skf18("10","2","3","8","7","8","1") = "9"
    & skf18("10","2","3","8","7","9","1") = "9"
    & skf18("10","2","3","8","7","10","1") = "9"
    & skf18("10","2","3","8","8","1","1") = "9"
    & skf18("10","2","3","8","8","2","1") = "9"
    & skf18("10","2","3","8","8","3","1") = "9"
    & skf18("10","2","3","8","8","4","1") = "9"
    & skf18("10","2","3","8","8","5","1") = "9"
    & skf18("10","2","3","8","8","6","1") = "9"
    & skf18("10","2","3","8","8","7","1") = "9"
    & skf18("10","2","3","8","8","8","1") = "9"
    & skf18("10","2","3","8","8","9","1") = "9"
    & skf18("10","2","3","8","8","10","1") = "9"
    & skf18("10","2","3","8","9","1","1") = "9"
    & skf18("10","2","3","8","9","2","1") = "9"
    & skf18("10","2","3","8","9","3","1") = "9"
    & skf18("10","2","3","8","9","4","1") = "9"
    & skf18("10","2","3","8","9","5","1") = "9"
    & skf18("10","2","3","8","9","6","1") = "9"
    & skf18("10","2","3","8","9","7","1") = "9"
    & skf18("10","2","3","8","9","8","1") = "9"
    & skf18("10","2","3","8","9","9","1") = "9"
    & skf18("10","2","3","8","9","10","1") = "9"
    & skf18("10","2","3","8","10","1","1") = "9"
    & skf18("10","2","3","8","10","2","1") = "9"
    & skf18("10","2","3","8","10","3","1") = "9"
    & skf18("10","2","3","8","10","4","1") = "9"
    & skf18("10","2","3","8","10","5","1") = "9"
    & skf18("10","2","3","8","10","6","1") = "9"
    & skf18("10","2","3","8","10","7","1") = "9"
    & skf18("10","2","3","8","10","8","1") = "9"
    & skf18("10","2","3","8","10","9","1") = "9"
    & skf18("10","2","3","8","10","10","1") = "9"
    & skf18("10","2","3","9","1","1","1") = "9"
    & skf18("10","2","3","9","1","2","1") = "9"
    & skf18("10","2","3","9","1","3","1") = "9"
    & skf18("10","2","3","9","1","4","1") = "9"
    & skf18("10","2","3","9","1","5","1") = "9"
    & skf18("10","2","3","9","1","6","1") = "9"
    & skf18("10","2","3","9","1","7","1") = "9"
    & skf18("10","2","3","9","1","8","1") = "9"
    & skf18("10","2","3","9","1","9","1") = "9"
    & skf18("10","2","3","9","1","10","1") = "9"
    & skf18("10","2","3","9","2","1","1") = "9"
    & skf18("10","2","3","9","2","2","1") = "9"
    & skf18("10","2","3","9","2","3","1") = "9"
    & skf18("10","2","3","9","2","4","1") = "9"
    & skf18("10","2","3","9","2","5","1") = "9"
    & skf18("10","2","3","9","2","6","1") = "9"
    & skf18("10","2","3","9","2","7","1") = "9"
    & skf18("10","2","3","9","2","8","1") = "9"
    & skf18("10","2","3","9","2","9","1") = "9"
    & skf18("10","2","3","9","2","10","1") = "9"
    & skf18("10","2","3","9","3","1","1") = "9"
    & skf18("10","2","3","9","3","2","1") = "9"
    & skf18("10","2","3","9","3","3","1") = "9"
    & skf18("10","2","3","9","3","4","1") = "9"
    & skf18("10","2","3","9","3","5","1") = "9"
    & skf18("10","2","3","9","3","6","1") = "9"
    & skf18("10","2","3","9","3","7","1") = "9"
    & skf18("10","2","3","9","3","8","1") = "9"
    & skf18("10","2","3","9","3","9","1") = "9"
    & skf18("10","2","3","9","3","10","1") = "9"
    & skf18("10","2","3","9","4","1","1") = "9"
    & skf18("10","2","3","9","4","2","1") = "9"
    & skf18("10","2","3","9","4","3","1") = "9"
    & skf18("10","2","3","9","4","4","1") = "9"
    & skf18("10","2","3","9","4","5","1") = "9"
    & skf18("10","2","3","9","4","6","1") = "9"
    & skf18("10","2","3","9","4","7","1") = "9"
    & skf18("10","2","3","9","4","8","1") = "9"
    & skf18("10","2","3","9","4","9","1") = "9"
    & skf18("10","2","3","9","4","10","1") = "9"
    & skf18("10","2","3","9","5","1","1") = "9"
    & skf18("10","2","3","9","5","2","1") = "9"
    & skf18("10","2","3","9","5","3","1") = "9"
    & skf18("10","2","3","9","5","4","1") = "9"
    & skf18("10","2","3","9","5","5","1") = "9"
    & skf18("10","2","3","9","5","6","1") = "9"
    & skf18("10","2","3","9","5","7","1") = "9"
    & skf18("10","2","3","9","5","8","1") = "9"
    & skf18("10","2","3","9","5","9","1") = "9"
    & skf18("10","2","3","9","5","10","1") = "9"
    & skf18("10","2","3","9","6","1","1") = "9"
    & skf18("10","2","3","9","6","2","1") = "9"
    & skf18("10","2","3","9","6","3","1") = "9"
    & skf18("10","2","3","9","6","4","1") = "9"
    & skf18("10","2","3","9","6","5","1") = "9"
    & skf18("10","2","3","9","6","6","1") = "9"
    & skf18("10","2","3","9","6","7","1") = "9"
    & skf18("10","2","3","9","6","8","1") = "9"
    & skf18("10","2","3","9","6","9","1") = "9"
    & skf18("10","2","3","9","6","10","1") = "9"
    & skf18("10","2","3","9","7","1","1") = "9"
    & skf18("10","2","3","9","7","2","1") = "9"
    & skf18("10","2","3","9","7","3","1") = "9"
    & skf18("10","2","3","9","7","4","1") = "9"
    & skf18("10","2","3","9","7","5","1") = "9"
    & skf18("10","2","3","9","7","6","1") = "9"
    & skf18("10","2","3","9","7","7","1") = "9"
    & skf18("10","2","3","9","7","8","1") = "9"
    & skf18("10","2","3","9","7","9","1") = "9"
    & skf18("10","2","3","9","7","10","1") = "9"
    & skf18("10","2","3","9","8","1","1") = "9"
    & skf18("10","2","3","9","8","2","1") = "9"
    & skf18("10","2","3","9","8","3","1") = "9"
    & skf18("10","2","3","9","8","4","1") = "9"
    & skf18("10","2","3","9","8","5","1") = "9"
    & skf18("10","2","3","9","8","6","1") = "9"
    & skf18("10","2","3","9","8","7","1") = "9"
    & skf18("10","2","3","9","8","8","1") = "9"
    & skf18("10","2","3","9","8","9","1") = "9"
    & skf18("10","2","3","9","8","10","1") = "9"
    & skf18("10","2","3","9","9","1","1") = "9"
    & skf18("10","2","3","9","9","2","1") = "9"
    & skf18("10","2","3","9","9","3","1") = "9"
    & skf18("10","2","3","9","9","4","1") = "9"
    & skf18("10","2","3","9","9","5","1") = "9"
    & skf18("10","2","3","9","9","6","1") = "9"
    & skf18("10","2","3","9","9","7","1") = "9"
    & skf18("10","2","3","9","9","8","1") = "9"
    & skf18("10","2","3","9","9","9","1") = "9"
    & skf18("10","2","3","9","9","10","1") = "9"
    & skf18("10","2","3","9","10","1","1") = "9"
    & skf18("10","2","3","9","10","2","1") = "9"
    & skf18("10","2","3","9","10","3","1") = "9"
    & skf18("10","2","3","9","10","4","1") = "9"
    & skf18("10","2","3","9","10","5","1") = "9"
    & skf18("10","2","3","9","10","6","1") = "9"
    & skf18("10","2","3","9","10","7","1") = "9"
    & skf18("10","2","3","9","10","8","1") = "9"
    & skf18("10","2","3","9","10","9","1") = "9"
    & skf18("10","2","3","9","10","10","1") = "9"
    & skf18("10","2","3","10","1","1","1") = "9"
    & skf18("10","2","3","10","1","2","1") = "9"
    & skf18("10","2","3","10","1","3","1") = "9"
    & skf18("10","2","3","10","1","4","1") = "9"
    & skf18("10","2","3","10","1","5","1") = "9"
    & skf18("10","2","3","10","1","6","1") = "9"
    & skf18("10","2","3","10","1","7","1") = "9"
    & skf18("10","2","3","10","1","8","1") = "9"
    & skf18("10","2","3","10","1","9","1") = "9"
    & skf18("10","2","3","10","1","10","1") = "9"
    & skf18("10","2","3","10","2","1","1") = "9"
    & skf18("10","2","3","10","2","2","1") = "9"
    & skf18("10","2","3","10","2","3","1") = "9"
    & skf18("10","2","3","10","2","4","1") = "9"
    & skf18("10","2","3","10","2","5","1") = "9"
    & skf18("10","2","3","10","2","6","1") = "9"
    & skf18("10","2","3","10","2","7","1") = "9"
    & skf18("10","2","3","10","2","8","1") = "9"
    & skf18("10","2","3","10","2","9","1") = "9"
    & skf18("10","2","3","10","2","10","1") = "9"
    & skf18("10","2","3","10","3","1","1") = "9"
    & skf18("10","2","3","10","3","2","1") = "9"
    & skf18("10","2","3","10","3","3","1") = "9"
    & skf18("10","2","3","10","3","4","1") = "9"
    & skf18("10","2","3","10","3","5","1") = "9"
    & skf18("10","2","3","10","3","6","1") = "9"
    & skf18("10","2","3","10","3","7","1") = "9"
    & skf18("10","2","3","10","3","8","1") = "9"
    & skf18("10","2","3","10","3","9","1") = "9"
    & skf18("10","2","3","10","3","10","1") = "9"
    & skf18("10","2","3","10","4","1","1") = "9"
    & skf18("10","2","3","10","4","2","1") = "9"
    & skf18("10","2","3","10","4","3","1") = "9"
    & skf18("10","2","3","10","4","4","1") = "9"
    & skf18("10","2","3","10","4","5","1") = "9"
    & skf18("10","2","3","10","4","6","1") = "9"
    & skf18("10","2","3","10","4","7","1") = "9"
    & skf18("10","2","3","10","4","8","1") = "9"
    & skf18("10","2","3","10","4","9","1") = "9"
    & skf18("10","2","3","10","4","10","1") = "9"
    & skf18("10","2","3","10","5","1","1") = "9"
    & skf18("10","2","3","10","5","2","1") = "9"
    & skf18("10","2","3","10","5","3","1") = "9"
    & skf18("10","2","3","10","5","4","1") = "9"
    & skf18("10","2","3","10","5","5","1") = "9"
    & skf18("10","2","3","10","5","6","1") = "9"
    & skf18("10","2","3","10","5","7","1") = "9"
    & skf18("10","2","3","10","5","8","1") = "9"
    & skf18("10","2","3","10","5","9","1") = "9"
    & skf18("10","2","3","10","5","10","1") = "9"
    & skf18("10","2","3","10","6","1","1") = "9"
    & skf18("10","2","3","10","6","2","1") = "9"
    & skf18("10","2","3","10","6","3","1") = "9"
    & skf18("10","2","3","10","6","4","1") = "9"
    & skf18("10","2","3","10","6","5","1") = "9"
    & skf18("10","2","3","10","6","6","1") = "9"
    & skf18("10","2","3","10","6","7","1") = "9"
    & skf18("10","2","3","10","6","8","1") = "9"
    & skf18("10","2","3","10","6","9","1") = "9"
    & skf18("10","2","3","10","6","10","1") = "9"
    & skf18("10","2","3","10","7","1","1") = "9"
    & skf18("10","2","3","10","7","2","1") = "9"
    & skf18("10","2","3","10","7","3","1") = "9"
    & skf18("10","2","3","10","7","4","1") = "9"
    & skf18("10","2","3","10","7","5","1") = "9"
    & skf18("10","2","3","10","7","6","1") = "9"
    & skf18("10","2","3","10","7","7","1") = "9"
    & skf18("10","2","3","10","7","8","1") = "9"
    & skf18("10","2","3","10","7","9","1") = "9"
    & skf18("10","2","3","10","7","10","1") = "9"
    & skf18("10","2","3","10","8","1","1") = "9"
    & skf18("10","2","3","10","8","2","1") = "9"
    & skf18("10","2","3","10","8","3","1") = "9"
    & skf18("10","2","3","10","8","4","1") = "9"
    & skf18("10","2","3","10","8","5","1") = "9"
    & skf18("10","2","3","10","8","6","1") = "9"
    & skf18("10","2","3","10","8","7","1") = "9"
    & skf18("10","2","3","10","8","8","1") = "9"
    & skf18("10","2","3","10","8","9","1") = "9"
    & skf18("10","2","3","10","8","10","1") = "9"
    & skf18("10","2","3","10","9","1","1") = "9"
    & skf18("10","2","3","10","9","2","1") = "9"
    & skf18("10","2","3","10","9","3","1") = "9"
    & skf18("10","2","3","10","9","4","1") = "9"
    & skf18("10","2","3","10","9","5","1") = "9"
    & skf18("10","2","3","10","9","6","1") = "9"
    & skf18("10","2","3","10","9","7","1") = "9"
    & skf18("10","2","3","10","9","8","1") = "9"
    & skf18("10","2","3","10","9","9","1") = "9"
    & skf18("10","2","3","10","9","10","1") = "9"
    & skf18("10","2","3","10","10","1","1") = "9"
    & skf18("10","2","3","10","10","2","1") = "9"
    & skf18("10","2","3","10","10","3","1") = "9"
    & skf18("10","2","3","10","10","4","1") = "9"
    & skf18("10","2","3","10","10","5","1") = "9"
    & skf18("10","2","3","10","10","6","1") = "9"
    & skf18("10","2","3","10","10","7","1") = "9"
    & skf18("10","2","3","10","10","8","1") = "9"
    & skf18("10","2","3","10","10","9","1") = "9"
    & skf18("10","2","3","10","10","10","1") = "9"
    & skf18("10","2","4","1","1","1","1") = "9"
    & skf18("10","2","4","1","1","2","1") = "9"
    & skf18("10","2","4","1","1","3","1") = "9"
    & skf18("10","2","4","1","1","4","1") = "9"
    & skf18("10","2","4","1","1","5","1") = "9"
    & skf18("10","2","4","1","1","6","1") = "9"
    & skf18("10","2","4","1","1","7","1") = "9"
    & skf18("10","2","4","1","1","8","1") = "9"
    & skf18("10","2","4","1","1","9","1") = "9"
    & skf18("10","2","4","1","1","10","1") = "9"
    & skf18("10","2","4","1","2","1","1") = "9"
    & skf18("10","2","4","1","2","2","1") = "9"
    & skf18("10","2","4","1","2","3","1") = "9"
    & skf18("10","2","4","1","2","4","1") = "9"
    & skf18("10","2","4","1","2","5","1") = "9"
    & skf18("10","2","4","1","2","6","1") = "9"
    & skf18("10","2","4","1","2","7","1") = "9"
    & skf18("10","2","4","1","2","8","1") = "9"
    & skf18("10","2","4","1","2","9","1") = "9"
    & skf18("10","2","4","1","2","10","1") = "9"
    & skf18("10","2","4","1","3","1","1") = "9"
    & skf18("10","2","4","1","3","2","1") = "9"
    & skf18("10","2","4","1","3","3","1") = "9"
    & skf18("10","2","4","1","3","4","1") = "9"
    & skf18("10","2","4","1","3","5","1") = "9"
    & skf18("10","2","4","1","3","6","1") = "9"
    & skf18("10","2","4","1","3","7","1") = "9"
    & skf18("10","2","4","1","3","8","1") = "9"
    & skf18("10","2","4","1","3","9","1") = "9"
    & skf18("10","2","4","1","3","10","1") = "9"
    & skf18("10","2","4","1","4","1","1") = "9"
    & skf18("10","2","4","1","4","2","1") = "9"
    & skf18("10","2","4","1","4","3","1") = "9"
    & skf18("10","2","4","1","4","4","1") = "9"
    & skf18("10","2","4","1","4","5","1") = "9"
    & skf18("10","2","4","1","4","6","1") = "9"
    & skf18("10","2","4","1","4","7","1") = "9"
    & skf18("10","2","4","1","4","8","1") = "9"
    & skf18("10","2","4","1","4","9","1") = "9"
    & skf18("10","2","4","1","4","10","1") = "9"
    & skf18("10","2","4","1","5","1","1") = "9"
    & skf18("10","2","4","1","5","2","1") = "9"
    & skf18("10","2","4","1","5","3","1") = "9"
    & skf18("10","2","4","1","5","4","1") = "9"
    & skf18("10","2","4","1","5","5","1") = "9"
    & skf18("10","2","4","1","5","6","1") = "9"
    & skf18("10","2","4","1","5","7","1") = "9"
    & skf18("10","2","4","1","5","8","1") = "9"
    & skf18("10","2","4","1","5","9","1") = "9"
    & skf18("10","2","4","1","5","10","1") = "9"
    & skf18("10","2","4","1","6","1","1") = "9"
    & skf18("10","2","4","1","6","2","1") = "9"
    & skf18("10","2","4","1","6","3","1") = "9"
    & skf18("10","2","4","1","6","4","1") = "9"
    & skf18("10","2","4","1","6","5","1") = "9"
    & skf18("10","2","4","1","6","6","1") = "9"
    & skf18("10","2","4","1","6","7","1") = "9"
    & skf18("10","2","4","1","6","8","1") = "9"
    & skf18("10","2","4","1","6","9","1") = "9"
    & skf18("10","2","4","1","6","10","1") = "9"
    & skf18("10","2","4","1","7","1","1") = "9"
    & skf18("10","2","4","1","7","2","1") = "9"
    & skf18("10","2","4","1","7","3","1") = "9"
    & skf18("10","2","4","1","7","4","1") = "9"
    & skf18("10","2","4","1","7","5","1") = "9"
    & skf18("10","2","4","1","7","6","1") = "9"
    & skf18("10","2","4","1","7","7","1") = "9"
    & skf18("10","2","4","1","7","8","1") = "9"
    & skf18("10","2","4","1","7","9","1") = "9"
    & skf18("10","2","4","1","7","10","1") = "9"
    & skf18("10","2","4","1","8","1","1") = "9"
    & skf18("10","2","4","1","8","2","1") = "9"
    & skf18("10","2","4","1","8","3","1") = "9"
    & skf18("10","2","4","1","8","4","1") = "9"
    & skf18("10","2","4","1","8","5","1") = "9"
    & skf18("10","2","4","1","8","6","1") = "9"
    & skf18("10","2","4","1","8","7","1") = "9"
    & skf18("10","2","4","1","8","8","1") = "9"
    & skf18("10","2","4","1","8","9","1") = "9"
    & skf18("10","2","4","1","8","10","1") = "9"
    & skf18("10","2","4","1","9","1","1") = "9"
    & skf18("10","2","4","1","9","2","1") = "9"
    & skf18("10","2","4","1","9","3","1") = "9"
    & skf18("10","2","4","1","9","4","1") = "9"
    & skf18("10","2","4","1","9","5","1") = "9"
    & skf18("10","2","4","1","9","6","1") = "9"
    & skf18("10","2","4","1","9","7","1") = "9"
    & skf18("10","2","4","1","9","8","1") = "9"
    & skf18("10","2","4","1","9","9","1") = "9"
    & skf18("10","2","4","1","9","10","1") = "9"
    & skf18("10","2","4","1","10","1","1") = "9"
    & skf18("10","2","4","1","10","2","1") = "9"
    & skf18("10","2","4","1","10","3","1") = "9"
    & skf18("10","2","4","1","10","4","1") = "9"
    & skf18("10","2","4","1","10","5","1") = "9"
    & skf18("10","2","4","1","10","6","1") = "9"
    & skf18("10","2","4","1","10","7","1") = "9"
    & skf18("10","2","4","1","10","8","1") = "9"
    & skf18("10","2","4","1","10","9","1") = "9"
    & skf18("10","2","4","1","10","10","1") = "9"
    & skf18("10","2","4","2","1","1","1") = "9"
    & skf18("10","2","4","2","1","2","1") = "9"
    & skf18("10","2","4","2","1","3","1") = "9"
    & skf18("10","2","4","2","1","4","1") = "9"
    & skf18("10","2","4","2","1","5","1") = "9"
    & skf18("10","2","4","2","1","6","1") = "9"
    & skf18("10","2","4","2","1","7","1") = "9"
    & skf18("10","2","4","2","1","8","1") = "9"
    & skf18("10","2","4","2","1","9","1") = "9"
    & skf18("10","2","4","2","1","10","1") = "9"
    & skf18("10","2","4","2","2","1","1") = "9"
    & skf18("10","2","4","2","2","2","1") = "9"
    & skf18("10","2","4","2","2","3","1") = "9"
    & skf18("10","2","4","2","2","4","1") = "9"
    & skf18("10","2","4","2","2","5","1") = "9"
    & skf18("10","2","4","2","2","6","1") = "9"
    & skf18("10","2","4","2","2","7","1") = "9"
    & skf18("10","2","4","2","2","8","1") = "9"
    & skf18("10","2","4","2","2","9","1") = "9"
    & skf18("10","2","4","2","2","10","1") = "9"
    & skf18("10","2","4","2","3","1","1") = "9"
    & skf18("10","2","4","2","3","2","1") = "9"
    & skf18("10","2","4","2","3","3","1") = "9"
    & skf18("10","2","4","2","3","4","1") = "9"
    & skf18("10","2","4","2","3","5","1") = "9"
    & skf18("10","2","4","2","3","6","1") = "9"
    & skf18("10","2","4","2","3","7","1") = "9"
    & skf18("10","2","4","2","3","8","1") = "9"
    & skf18("10","2","4","2","3","9","1") = "9"
    & skf18("10","2","4","2","3","10","1") = "9"
    & skf18("10","2","4","2","4","1","1") = "9"
    & skf18("10","2","4","2","4","2","1") = "9"
    & skf18("10","2","4","2","4","3","1") = "9"
    & skf18("10","2","4","2","4","4","1") = "9"
    & skf18("10","2","4","2","4","5","1") = "9"
    & skf18("10","2","4","2","4","6","1") = "9"
    & skf18("10","2","4","2","4","7","1") = "9"
    & skf18("10","2","4","2","4","8","1") = "9"
    & skf18("10","2","4","2","4","9","1") = "9"
    & skf18("10","2","4","2","4","10","1") = "9"
    & skf18("10","2","4","2","5","1","1") = "9"
    & skf18("10","2","4","2","5","2","1") = "9"
    & skf18("10","2","4","2","5","3","1") = "9"
    & skf18("10","2","4","2","5","4","1") = "9"
    & skf18("10","2","4","2","5","5","1") = "9"
    & skf18("10","2","4","2","5","6","1") = "9"
    & skf18("10","2","4","2","5","7","1") = "9"
    & skf18("10","2","4","2","5","8","1") = "9"
    & skf18("10","2","4","2","5","9","1") = "9"
    & skf18("10","2","4","2","5","10","1") = "9"
    & skf18("10","2","4","2","6","1","1") = "9"
    & skf18("10","2","4","2","6","2","1") = "9"
    & skf18("10","2","4","2","6","3","1") = "9"
    & skf18("10","2","4","2","6","4","1") = "9"
    & skf18("10","2","4","2","6","5","1") = "9"
    & skf18("10","2","4","2","6","6","1") = "9"
    & skf18("10","2","4","2","6","7","1") = "9"
    & skf18("10","2","4","2","6","8","1") = "9"
    & skf18("10","2","4","2","6","9","1") = "9"
    & skf18("10","2","4","2","6","10","1") = "9"
    & skf18("10","2","4","2","7","1","1") = "9"
    & skf18("10","2","4","2","7","2","1") = "9"
    & skf18("10","2","4","2","7","3","1") = "9"
    & skf18("10","2","4","2","7","4","1") = "9"
    & skf18("10","2","4","2","7","5","1") = "9"
    & skf18("10","2","4","2","7","6","1") = "9"
    & skf18("10","2","4","2","7","7","1") = "9"
    & skf18("10","2","4","2","7","8","1") = "9"
    & skf18("10","2","4","2","7","9","1") = "9"
    & skf18("10","2","4","2","7","10","1") = "9"
    & skf18("10","2","4","2","8","1","1") = "9"
    & skf18("10","2","4","2","8","2","1") = "9"
    & skf18("10","2","4","2","8","3","1") = "9"
    & skf18("10","2","4","2","8","4","1") = "9"
    & skf18("10","2","4","2","8","5","1") = "9"
    & skf18("10","2","4","2","8","6","1") = "9"
    & skf18("10","2","4","2","8","7","1") = "9"
    & skf18("10","2","4","2","8","8","1") = "9"
    & skf18("10","2","4","2","8","9","1") = "9"
    & skf18("10","2","4","2","8","10","1") = "9"
    & skf18("10","2","4","2","9","1","1") = "9"
    & skf18("10","2","4","2","9","2","1") = "9"
    & skf18("10","2","4","2","9","3","1") = "9"
    & skf18("10","2","4","2","9","4","1") = "9"
    & skf18("10","2","4","2","9","5","1") = "9"
    & skf18("10","2","4","2","9","6","1") = "9"
    & skf18("10","2","4","2","9","7","1") = "9"
    & skf18("10","2","4","2","9","8","1") = "9"
    & skf18("10","2","4","2","9","9","1") = "9"
    & skf18("10","2","4","2","9","10","1") = "9"
    & skf18("10","2","4","2","10","1","1") = "9"
    & skf18("10","2","4","2","10","2","1") = "9"
    & skf18("10","2","4","2","10","3","1") = "9"
    & skf18("10","2","4","2","10","4","1") = "9"
    & skf18("10","2","4","2","10","5","1") = "9"
    & skf18("10","2","4","2","10","6","1") = "9"
    & skf18("10","2","4","2","10","7","1") = "9"
    & skf18("10","2","4","2","10","8","1") = "9"
    & skf18("10","2","4","2","10","9","1") = "9"
    & skf18("10","2","4","2","10","10","1") = "9"
    & skf18("10","2","4","3","1","1","1") = "9"
    & skf18("10","2","4","3","1","2","1") = "9"
    & skf18("10","2","4","3","1","3","1") = "9"
    & skf18("10","2","4","3","1","4","1") = "9"
    & skf18("10","2","4","3","1","5","1") = "9"
    & skf18("10","2","4","3","1","6","1") = "9"
    & skf18("10","2","4","3","1","7","1") = "9"
    & skf18("10","2","4","3","1","8","1") = "9"
    & skf18("10","2","4","3","1","9","1") = "9"
    & skf18("10","2","4","3","1","10","1") = "9"
    & skf18("10","2","4","3","2","1","1") = "9"
    & skf18("10","2","4","3","2","2","1") = "9"
    & skf18("10","2","4","3","2","3","1") = "9"
    & skf18("10","2","4","3","2","4","1") = "9"
    & skf18("10","2","4","3","2","5","1") = "9"
    & skf18("10","2","4","3","2","6","1") = "9"
    & skf18("10","2","4","3","2","7","1") = "9"
    & skf18("10","2","4","3","2","8","1") = "9"
    & skf18("10","2","4","3","2","9","1") = "9"
    & skf18("10","2","4","3","2","10","1") = "9"
    & skf18("10","2","4","3","3","1","1") = "9"
    & skf18("10","2","4","3","3","2","1") = "9"
    & skf18("10","2","4","3","3","3","1") = "9"
    & skf18("10","2","4","3","3","4","1") = "9"
    & skf18("10","2","4","3","3","5","1") = "9"
    & skf18("10","2","4","3","3","6","1") = "9"
    & skf18("10","2","4","3","3","7","1") = "9"
    & skf18("10","2","4","3","3","8","1") = "9"
    & skf18("10","2","4","3","3","9","1") = "9"
    & skf18("10","2","4","3","3","10","1") = "9"
    & skf18("10","2","4","3","4","1","1") = "9"
    & skf18("10","2","4","3","4","2","1") = "9"
    & skf18("10","2","4","3","4","3","1") = "9"
    & skf18("10","2","4","3","4","4","1") = "9"
    & skf18("10","2","4","3","4","5","1") = "9"
    & skf18("10","2","4","3","4","6","1") = "9"
    & skf18("10","2","4","3","4","7","1") = "9"
    & skf18("10","2","4","3","4","8","1") = "9"
    & skf18("10","2","4","3","4","9","1") = "9"
    & skf18("10","2","4","3","4","10","1") = "9"
    & skf18("10","2","4","3","5","1","1") = "9"
    & skf18("10","2","4","3","5","2","1") = "9"
    & skf18("10","2","4","3","5","3","1") = "9"
    & skf18("10","2","4","3","5","4","1") = "9"
    & skf18("10","2","4","3","5","5","1") = "9"
    & skf18("10","2","4","3","5","6","1") = "9"
    & skf18("10","2","4","3","5","7","1") = "9"
    & skf18("10","2","4","3","5","8","1") = "9"
    & skf18("10","2","4","3","5","9","1") = "9"
    & skf18("10","2","4","3","5","10","1") = "9"
    & skf18("10","2","4","3","6","1","1") = "9"
    & skf18("10","2","4","3","6","2","1") = "9"
    & skf18("10","2","4","3","6","3","1") = "9"
    & skf18("10","2","4","3","6","4","1") = "9"
    & skf18("10","2","4","3","6","5","1") = "9"
    & skf18("10","2","4","3","6","6","1") = "9"
    & skf18("10","2","4","3","6","7","1") = "9"
    & skf18("10","2","4","3","6","8","1") = "9"
    & skf18("10","2","4","3","6","9","1") = "9"
    & skf18("10","2","4","3","6","10","1") = "9"
    & skf18("10","2","4","3","7","1","1") = "9"
    & skf18("10","2","4","3","7","2","1") = "9"
    & skf18("10","2","4","3","7","3","1") = "9"
    & skf18("10","2","4","3","7","4","1") = "9"
    & skf18("10","2","4","3","7","5","1") = "9"
    & skf18("10","2","4","3","7","6","1") = "9"
    & skf18("10","2","4","3","7","7","1") = "9"
    & skf18("10","2","4","3","7","8","1") = "9"
    & skf18("10","2","4","3","7","9","1") = "9"
    & skf18("10","2","4","3","7","10","1") = "9"
    & skf18("10","2","4","3","8","1","1") = "9"
    & skf18("10","2","4","3","8","2","1") = "9"
    & skf18("10","2","4","3","8","3","1") = "9"
    & skf18("10","2","4","3","8","4","1") = "9"
    & skf18("10","2","4","3","8","5","1") = "9"
    & skf18("10","2","4","3","8","6","1") = "9"
    & skf18("10","2","4","3","8","7","1") = "9"
    & skf18("10","2","4","3","8","8","1") = "9"
    & skf18("10","2","4","3","8","9","1") = "9"
    & skf18("10","2","4","3","8","10","1") = "9"
    & skf18("10","2","4","3","9","1","1") = "9"
    & skf18("10","2","4","3","9","2","1") = "9"
    & skf18("10","2","4","3","9","3","1") = "9"
    & skf18("10","2","4","3","9","4","1") = "9"
    & skf18("10","2","4","3","9","5","1") = "9"
    & skf18("10","2","4","3","9","6","1") = "9"
    & skf18("10","2","4","3","9","7","1") = "9"
    & skf18("10","2","4","3","9","8","1") = "9"
    & skf18("10","2","4","3","9","9","1") = "9"
    & skf18("10","2","4","3","9","10","1") = "9"
    & skf18("10","2","4","3","10","1","1") = "9"
    & skf18("10","2","4","3","10","2","1") = "9"
    & skf18("10","2","4","3","10","3","1") = "9"
    & skf18("10","2","4","3","10","4","1") = "9"
    & skf18("10","2","4","3","10","5","1") = "9"
    & skf18("10","2","4","3","10","6","1") = "9"
    & skf18("10","2","4","3","10","7","1") = "9"
    & skf18("10","2","4","3","10","8","1") = "9"
    & skf18("10","2","4","3","10","9","1") = "9"
    & skf18("10","2","4","3","10","10","1") = "9"
    & skf18("10","2","4","4","1","1","1") = "9"
    & skf18("10","2","4","4","1","2","1") = "9"
    & skf18("10","2","4","4","1","3","1") = "9"
    & skf18("10","2","4","4","1","4","1") = "9"
    & skf18("10","2","4","4","1","5","1") = "9"
    & skf18("10","2","4","4","1","6","1") = "9"
    & skf18("10","2","4","4","1","7","1") = "9"
    & skf18("10","2","4","4","1","8","1") = "9"
    & skf18("10","2","4","4","1","9","1") = "9"
    & skf18("10","2","4","4","1","10","1") = "9"
    & skf18("10","2","4","4","2","1","1") = "9"
    & skf18("10","2","4","4","2","2","1") = "9"
    & skf18("10","2","4","4","2","3","1") = "9"
    & skf18("10","2","4","4","2","4","1") = "9"
    & skf18("10","2","4","4","2","5","1") = "9"
    & skf18("10","2","4","4","2","6","1") = "9"
    & skf18("10","2","4","4","2","7","1") = "9"
    & skf18("10","2","4","4","2","8","1") = "9"
    & skf18("10","2","4","4","2","9","1") = "9"
    & skf18("10","2","4","4","2","10","1") = "9"
    & skf18("10","2","4","4","3","1","1") = "9"
    & skf18("10","2","4","4","3","2","1") = "9"
    & skf18("10","2","4","4","3","3","1") = "9"
    & skf18("10","2","4","4","3","4","1") = "9"
    & skf18("10","2","4","4","3","5","1") = "9"
    & skf18("10","2","4","4","3","6","1") = "9"
    & skf18("10","2","4","4","3","7","1") = "9"
    & skf18("10","2","4","4","3","8","1") = "9"
    & skf18("10","2","4","4","3","9","1") = "9"
    & skf18("10","2","4","4","3","10","1") = "9"
    & skf18("10","2","4","4","4","1","1") = "9"
    & skf18("10","2","4","4","4","2","1") = "9"
    & skf18("10","2","4","4","4","3","1") = "9"
    & skf18("10","2","4","4","4","4","1") = "9"
    & skf18("10","2","4","4","4","5","1") = "9"
    & skf18("10","2","4","4","4","6","1") = "9"
    & skf18("10","2","4","4","4","7","1") = "9"
    & skf18("10","2","4","4","4","8","1") = "9"
    & skf18("10","2","4","4","4","9","1") = "9"
    & skf18("10","2","4","4","4","10","1") = "9"
    & skf18("10","2","4","4","5","1","1") = "9"
    & skf18("10","2","4","4","5","2","1") = "9"
    & skf18("10","2","4","4","5","3","1") = "9"
    & skf18("10","2","4","4","5","4","1") = "9"
    & skf18("10","2","4","4","5","5","1") = "9"
    & skf18("10","2","4","4","5","6","1") = "9"
    & skf18("10","2","4","4","5","7","1") = "9"
    & skf18("10","2","4","4","5","8","1") = "9"
    & skf18("10","2","4","4","5","9","1") = "9"
    & skf18("10","2","4","4","5","10","1") = "9"
    & skf18("10","2","4","4","6","1","1") = "9"
    & skf18("10","2","4","4","6","2","1") = "9"
    & skf18("10","2","4","4","6","3","1") = "9"
    & skf18("10","2","4","4","6","4","1") = "9"
    & skf18("10","2","4","4","6","5","1") = "9"
    & skf18("10","2","4","4","6","6","1") = "9"
    & skf18("10","2","4","4","6","7","1") = "9"
    & skf18("10","2","4","4","6","8","1") = "9"
    & skf18("10","2","4","4","6","9","1") = "9"
    & skf18("10","2","4","4","6","10","1") = "9"
    & skf18("10","2","4","4","7","1","1") = "9"
    & skf18("10","2","4","4","7","2","1") = "9"
    & skf18("10","2","4","4","7","3","1") = "9"
    & skf18("10","2","4","4","7","4","1") = "9"
    & skf18("10","2","4","4","7","5","1") = "9"
    & skf18("10","2","4","4","7","6","1") = "9"
    & skf18("10","2","4","4","7","7","1") = "9"
    & skf18("10","2","4","4","7","8","1") = "9"
    & skf18("10","2","4","4","7","9","1") = "9"
    & skf18("10","2","4","4","7","10","1") = "9"
    & skf18("10","2","4","4","8","1","1") = "9"
    & skf18("10","2","4","4","8","2","1") = "9"
    & skf18("10","2","4","4","8","3","1") = "9"
    & skf18("10","2","4","4","8","4","1") = "9"
    & skf18("10","2","4","4","8","5","1") = "9"
    & skf18("10","2","4","4","8","6","1") = "9"
    & skf18("10","2","4","4","8","7","1") = "9"
    & skf18("10","2","4","4","8","8","1") = "9"
    & skf18("10","2","4","4","8","9","1") = "9"
    & skf18("10","2","4","4","8","10","1") = "9"
    & skf18("10","2","4","4","9","1","1") = "9"
    & skf18("10","2","4","4","9","2","1") = "9"
    & skf18("10","2","4","4","9","3","1") = "9"
    & skf18("10","2","4","4","9","4","1") = "9"
    & skf18("10","2","4","4","9","5","1") = "9"
    & skf18("10","2","4","4","9","6","1") = "9"
    & skf18("10","2","4","4","9","7","1") = "9"
    & skf18("10","2","4","4","9","8","1") = "9"
    & skf18("10","2","4","4","9","9","1") = "9"
    & skf18("10","2","4","4","9","10","1") = "9"
    & skf18("10","2","4","4","10","1","1") = "9"
    & skf18("10","2","4","4","10","2","1") = "9"
    & skf18("10","2","4","4","10","3","1") = "9"
    & skf18("10","2","4","4","10","4","1") = "9"
    & skf18("10","2","4","4","10","5","1") = "9"
    & skf18("10","2","4","4","10","6","1") = "9"
    & skf18("10","2","4","4","10","7","1") = "9"
    & skf18("10","2","4","4","10","8","1") = "9"
    & skf18("10","2","4","4","10","9","1") = "9"
    & skf18("10","2","4","4","10","10","1") = "9"
    & skf18("10","2","4","5","1","1","1") = "9"
    & skf18("10","2","4","5","1","2","1") = "9"
    & skf18("10","2","4","5","1","3","1") = "9"
    & skf18("10","2","4","5","1","4","1") = "9"
    & skf18("10","2","4","5","1","5","1") = "9"
    & skf18("10","2","4","5","1","6","1") = "9"
    & skf18("10","2","4","5","1","7","1") = "9"
    & skf18("10","2","4","5","1","8","1") = "9"
    & skf18("10","2","4","5","1","9","1") = "9"
    & skf18("10","2","4","5","1","10","1") = "9"
    & skf18("10","2","4","5","2","1","1") = "9"
    & skf18("10","2","4","5","2","2","1") = "9"
    & skf18("10","2","4","5","2","3","1") = "9"
    & skf18("10","2","4","5","2","4","1") = "9"
    & skf18("10","2","4","5","2","5","1") = "9"
    & skf18("10","2","4","5","2","6","1") = "9"
    & skf18("10","2","4","5","2","7","1") = "9"
    & skf18("10","2","4","5","2","8","1") = "9"
    & skf18("10","2","4","5","2","9","1") = "9"
    & skf18("10","2","4","5","2","10","1") = "9"
    & skf18("10","2","4","5","3","1","1") = "9"
    & skf18("10","2","4","5","3","2","1") = "9"
    & skf18("10","2","4","5","3","3","1") = "9"
    & skf18("10","2","4","5","3","4","1") = "9"
    & skf18("10","2","4","5","3","5","1") = "9"
    & skf18("10","2","4","5","3","6","1") = "9"
    & skf18("10","2","4","5","3","7","1") = "9"
    & skf18("10","2","4","5","3","8","1") = "9"
    & skf18("10","2","4","5","3","9","1") = "9"
    & skf18("10","2","4","5","3","10","1") = "9"
    & skf18("10","2","4","5","4","1","1") = "9"
    & skf18("10","2","4","5","4","2","1") = "9"
    & skf18("10","2","4","5","4","3","1") = "9"
    & skf18("10","2","4","5","4","4","1") = "9"
    & skf18("10","2","4","5","4","5","1") = "9"
    & skf18("10","2","4","5","4","6","1") = "9"
    & skf18("10","2","4","5","4","7","1") = "9"
    & skf18("10","2","4","5","4","8","1") = "9"
    & skf18("10","2","4","5","4","9","1") = "9"
    & skf18("10","2","4","5","4","10","1") = "9"
    & skf18("10","2","4","5","5","1","1") = "9"
    & skf18("10","2","4","5","5","2","1") = "9"
    & skf18("10","2","4","5","5","3","1") = "9"
    & skf18("10","2","4","5","5","4","1") = "9"
    & skf18("10","2","4","5","5","5","1") = "9"
    & skf18("10","2","4","5","5","6","1") = "9"
    & skf18("10","2","4","5","5","7","1") = "9"
    & skf18("10","2","4","5","5","8","1") = "9"
    & skf18("10","2","4","5","5","9","1") = "9"
    & skf18("10","2","4","5","5","10","1") = "9"
    & skf18("10","2","4","5","6","1","1") = "9"
    & skf18("10","2","4","5","6","2","1") = "9"
    & skf18("10","2","4","5","6","3","1") = "9"
    & skf18("10","2","4","5","6","4","1") = "9"
    & skf18("10","2","4","5","6","5","1") = "9"
    & skf18("10","2","4","5","6","6","1") = "9"
    & skf18("10","2","4","5","6","7","1") = "9"
    & skf18("10","2","4","5","6","8","1") = "9"
    & skf18("10","2","4","5","6","9","1") = "9"
    & skf18("10","2","4","5","6","10","1") = "9"
    & skf18("10","2","4","5","7","1","1") = "9"
    & skf18("10","2","4","5","7","2","1") = "9"
    & skf18("10","2","4","5","7","3","1") = "9"
    & skf18("10","2","4","5","7","4","1") = "9"
    & skf18("10","2","4","5","7","5","1") = "9"
    & skf18("10","2","4","5","7","6","1") = "9"
    & skf18("10","2","4","5","7","7","1") = "9"
    & skf18("10","2","4","5","7","8","1") = "9"
    & skf18("10","2","4","5","7","9","1") = "9"
    & skf18("10","2","4","5","7","10","1") = "9"
    & skf18("10","2","4","5","8","1","1") = "9"
    & skf18("10","2","4","5","8","2","1") = "9"
    & skf18("10","2","4","5","8","3","1") = "9"
    & skf18("10","2","4","5","8","4","1") = "9"
    & skf18("10","2","4","5","8","5","1") = "9"
    & skf18("10","2","4","5","8","6","1") = "9"
    & skf18("10","2","4","5","8","7","1") = "9"
    & skf18("10","2","4","5","8","8","1") = "9"
    & skf18("10","2","4","5","8","9","1") = "9"
    & skf18("10","2","4","5","8","10","1") = "9"
    & skf18("10","2","4","5","9","1","1") = "9"
    & skf18("10","2","4","5","9","2","1") = "9"
    & skf18("10","2","4","5","9","3","1") = "9"
    & skf18("10","2","4","5","9","4","1") = "9"
    & skf18("10","2","4","5","9","5","1") = "9"
    & skf18("10","2","4","5","9","6","1") = "9"
    & skf18("10","2","4","5","9","7","1") = "9"
    & skf18("10","2","4","5","9","8","1") = "9"
    & skf18("10","2","4","5","9","9","1") = "9"
    & skf18("10","2","4","5","9","10","1") = "9"
    & skf18("10","2","4","5","10","1","1") = "9"
    & skf18("10","2","4","5","10","2","1") = "9"
    & skf18("10","2","4","5","10","3","1") = "9"
    & skf18("10","2","4","5","10","4","1") = "9"
    & skf18("10","2","4","5","10","5","1") = "9"
    & skf18("10","2","4","5","10","6","1") = "9"
    & skf18("10","2","4","5","10","7","1") = "9"
    & skf18("10","2","4","5","10","8","1") = "9"
    & skf18("10","2","4","5","10","9","1") = "9"
    & skf18("10","2","4","5","10","10","1") = "9"
    & skf18("10","2","4","6","1","1","1") = "9"
    & skf18("10","2","4","6","1","2","1") = "9"
    & skf18("10","2","4","6","1","3","1") = "9"
    & skf18("10","2","4","6","1","4","1") = "9"
    & skf18("10","2","4","6","1","5","1") = "9"
    & skf18("10","2","4","6","1","6","1") = "9"
    & skf18("10","2","4","6","1","7","1") = "9"
    & skf18("10","2","4","6","1","8","1") = "9"
    & skf18("10","2","4","6","1","9","1") = "9"
    & skf18("10","2","4","6","1","10","1") = "9"
    & skf18("10","2","4","6","2","1","1") = "9"
    & skf18("10","2","4","6","2","2","1") = "9"
    & skf18("10","2","4","6","2","3","1") = "9"
    & skf18("10","2","4","6","2","4","1") = "9"
    & skf18("10","2","4","6","2","5","1") = "9"
    & skf18("10","2","4","6","2","6","1") = "9"
    & skf18("10","2","4","6","2","7","1") = "9"
    & skf18("10","2","4","6","2","8","1") = "9"
    & skf18("10","2","4","6","2","9","1") = "9"
    & skf18("10","2","4","6","2","10","1") = "9"
    & skf18("10","2","4","6","3","1","1") = "9"
    & skf18("10","2","4","6","3","2","1") = "9"
    & skf18("10","2","4","6","3","3","1") = "9"
    & skf18("10","2","4","6","3","4","1") = "9"
    & skf18("10","2","4","6","3","5","1") = "9"
    & skf18("10","2","4","6","3","6","1") = "9"
    & skf18("10","2","4","6","3","7","1") = "9"
    & skf18("10","2","4","6","3","8","1") = "9"
    & skf18("10","2","4","6","3","9","1") = "9"
    & skf18("10","2","4","6","3","10","1") = "9"
    & skf18("10","2","4","6","4","1","1") = "9"
    & skf18("10","2","4","6","4","2","1") = "9"
    & skf18("10","2","4","6","4","3","1") = "9"
    & skf18("10","2","4","6","4","4","1") = "9"
    & skf18("10","2","4","6","4","5","1") = "9"
    & skf18("10","2","4","6","4","6","1") = "9"
    & skf18("10","2","4","6","4","7","1") = "9"
    & skf18("10","2","4","6","4","8","1") = "9"
    & skf18("10","2","4","6","4","9","1") = "9"
    & skf18("10","2","4","6","4","10","1") = "9"
    & skf18("10","2","4","6","5","1","1") = "9"
    & skf18("10","2","4","6","5","2","1") = "9"
    & skf18("10","2","4","6","5","3","1") = "9"
    & skf18("10","2","4","6","5","4","1") = "9"
    & skf18("10","2","4","6","5","5","1") = "9"
    & skf18("10","2","4","6","5","6","1") = "9"
    & skf18("10","2","4","6","5","7","1") = "9"
    & skf18("10","2","4","6","5","8","1") = "9"
    & skf18("10","2","4","6","5","9","1") = "9"
    & skf18("10","2","4","6","5","10","1") = "9"
    & skf18("10","2","4","6","6","1","1") = "9"
    & skf18("10","2","4","6","6","2","1") = "9"
    & skf18("10","2","4","6","6","3","1") = "9"
    & skf18("10","2","4","6","6","4","1") = "9"
    & skf18("10","2","4","6","6","5","1") = "9"
    & skf18("10","2","4","6","6","6","1") = "9"
    & skf18("10","2","4","6","6","7","1") = "9"
    & skf18("10","2","4","6","6","8","1") = "9"
    & skf18("10","2","4","6","6","9","1") = "9"
    & skf18("10","2","4","6","6","10","1") = "9"
    & skf18("10","2","4","6","7","1","1") = "9"
    & skf18("10","2","4","6","7","2","1") = "9"
    & skf18("10","2","4","6","7","3","1") = "9"
    & skf18("10","2","4","6","7","4","1") = "9"
    & skf18("10","2","4","6","7","5","1") = "9"
    & skf18("10","2","4","6","7","6","1") = "9"
    & skf18("10","2","4","6","7","7","1") = "9"
    & skf18("10","2","4","6","7","8","1") = "9"
    & skf18("10","2","4","6","7","9","1") = "9"
    & skf18("10","2","4","6","7","10","1") = "9"
    & skf18("10","2","4","6","8","1","1") = "9"
    & skf18("10","2","4","6","8","2","1") = "9"
    & skf18("10","2","4","6","8","3","1") = "9"
    & skf18("10","2","4","6","8","4","1") = "9"
    & skf18("10","2","4","6","8","5","1") = "9"
    & skf18("10","2","4","6","8","6","1") = "9"
    & skf18("10","2","4","6","8","7","1") = "9"
    & skf18("10","2","4","6","8","8","1") = "9"
    & skf18("10","2","4","6","8","9","1") = "9"
    & skf18("10","2","4","6","8","10","1") = "9"
    & skf18("10","2","4","6","9","1","1") = "9"
    & skf18("10","2","4","6","9","2","1") = "9"
    & skf18("10","2","4","6","9","3","1") = "9"
    & skf18("10","2","4","6","9","4","1") = "9"
    & skf18("10","2","4","6","9","5","1") = "9"
    & skf18("10","2","4","6","9","6","1") = "9"
    & skf18("10","2","4","6","9","7","1") = "9"
    & skf18("10","2","4","6","9","8","1") = "9"
    & skf18("10","2","4","6","9","9","1") = "9"
    & skf18("10","2","4","6","9","10","1") = "9"
    & skf18("10","2","4","6","10","1","1") = "9"
    & skf18("10","2","4","6","10","2","1") = "9"
    & skf18("10","2","4","6","10","3","1") = "9"
    & skf18("10","2","4","6","10","4","1") = "9"
    & skf18("10","2","4","6","10","5","1") = "9"
    & skf18("10","2","4","6","10","6","1") = "9"
    & skf18("10","2","4","6","10","7","1") = "9"
    & skf18("10","2","4","6","10","8","1") = "9"
    & skf18("10","2","4","6","10","9","1") = "9"
    & skf18("10","2","4","6","10","10","1") = "9"
    & skf18("10","2","4","7","1","1","1") = "9"
    & skf18("10","2","4","7","1","2","1") = "9"
    & skf18("10","2","4","7","1","3","1") = "9"
    & skf18("10","2","4","7","1","4","1") = "9"
    & skf18("10","2","4","7","1","5","1") = "9"
    & skf18("10","2","4","7","1","6","1") = "9"
    & skf18("10","2","4","7","1","7","1") = "9"
    & skf18("10","2","4","7","1","8","1") = "9"
    & skf18("10","2","4","7","1","9","1") = "9"
    & skf18("10","2","4","7","1","10","1") = "9"
    & skf18("10","2","4","7","2","1","1") = "9"
    & skf18("10","2","4","7","2","2","1") = "9"
    & skf18("10","2","4","7","2","3","1") = "9"
    & skf18("10","2","4","7","2","4","1") = "9"
    & skf18("10","2","4","7","2","5","1") = "9"
    & skf18("10","2","4","7","2","6","1") = "9"
    & skf18("10","2","4","7","2","7","1") = "9"
    & skf18("10","2","4","7","2","8","1") = "9"
    & skf18("10","2","4","7","2","9","1") = "9"
    & skf18("10","2","4","7","2","10","1") = "9"
    & skf18("10","2","4","7","3","1","1") = "9"
    & skf18("10","2","4","7","3","2","1") = "9"
    & skf18("10","2","4","7","3","3","1") = "9"
    & skf18("10","2","4","7","3","4","1") = "9"
    & skf18("10","2","4","7","3","5","1") = "9"
    & skf18("10","2","4","7","3","6","1") = "9"
    & skf18("10","2","4","7","3","7","1") = "9"
    & skf18("10","2","4","7","3","8","1") = "9"
    & skf18("10","2","4","7","3","9","1") = "9"
    & skf18("10","2","4","7","3","10","1") = "9"
    & skf18("10","2","4","7","4","1","1") = "9"
    & skf18("10","2","4","7","4","2","1") = "9"
    & skf18("10","2","4","7","4","3","1") = "9"
    & skf18("10","2","4","7","4","4","1") = "9"
    & skf18("10","2","4","7","4","5","1") = "9"
    & skf18("10","2","4","7","4","6","1") = "9"
    & skf18("10","2","4","7","4","7","1") = "9"
    & skf18("10","2","4","7","4","8","1") = "9"
    & skf18("10","2","4","7","4","9","1") = "9"
    & skf18("10","2","4","7","4","10","1") = "9"
    & skf18("10","2","4","7","5","1","1") = "9"
    & skf18("10","2","4","7","5","2","1") = "9"
    & skf18("10","2","4","7","5","3","1") = "9"
    & skf18("10","2","4","7","5","4","1") = "9"
    & skf18("10","2","4","7","5","5","1") = "9"
    & skf18("10","2","4","7","5","6","1") = "9"
    & skf18("10","2","4","7","5","7","1") = "9"
    & skf18("10","2","4","7","5","8","1") = "9"
    & skf18("10","2","4","7","5","9","1") = "9"
    & skf18("10","2","4","7","5","10","1") = "9"
    & skf18("10","2","4","7","6","1","1") = "9"
    & skf18("10","2","4","7","6","2","1") = "9"
    & skf18("10","2","4","7","6","3","1") = "9"
    & skf18("10","2","4","7","6","4","1") = "9"
    & skf18("10","2","4","7","6","5","1") = "9"
    & skf18("10","2","4","7","6","6","1") = "9"
    & skf18("10","2","4","7","6","7","1") = "9"
    & skf18("10","2","4","7","6","8","1") = "9"
    & skf18("10","2","4","7","6","9","1") = "9"
    & skf18("10","2","4","7","6","10","1") = "9"
    & skf18("10","2","4","7","7","1","1") = "9"
    & skf18("10","2","4","7","7","2","1") = "9"
    & skf18("10","2","4","7","7","3","1") = "9"
    & skf18("10","2","4","7","7","4","1") = "9"
    & skf18("10","2","4","7","7","5","1") = "9"
    & skf18("10","2","4","7","7","6","1") = "9"
    & skf18("10","2","4","7","7","7","1") = "9"
    & skf18("10","2","4","7","7","8","1") = "9"
    & skf18("10","2","4","7","7","9","1") = "9"
    & skf18("10","2","4","7","7","10","1") = "9"
    & skf18("10","2","4","7","8","1","1") = "9"
    & skf18("10","2","4","7","8","2","1") = "9"
    & skf18("10","2","4","7","8","3","1") = "9"
    & skf18("10","2","4","7","8","4","1") = "9"
    & skf18("10","2","4","7","8","5","1") = "9"
    & skf18("10","2","4","7","8","6","1") = "9"
    & skf18("10","2","4","7","8","7","1") = "9"
    & skf18("10","2","4","7","8","8","1") = "9"
    & skf18("10","2","4","7","8","9","1") = "9"
    & skf18("10","2","4","7","8","10","1") = "9"
    & skf18("10","2","4","7","9","1","1") = "9"
    & skf18("10","2","4","7","9","2","1") = "9"
    & skf18("10","2","4","7","9","3","1") = "9"
    & skf18("10","2","4","7","9","4","1") = "9"
    & skf18("10","2","4","7","9","5","1") = "9"
    & skf18("10","2","4","7","9","6","1") = "9"
    & skf18("10","2","4","7","9","7","1") = "9"
    & skf18("10","2","4","7","9","8","1") = "9"
    & skf18("10","2","4","7","9","9","1") = "9"
    & skf18("10","2","4","7","9","10","1") = "9"
    & skf18("10","2","4","7","10","1","1") = "9"
    & skf18("10","2","4","7","10","2","1") = "9"
    & skf18("10","2","4","7","10","3","1") = "9"
    & skf18("10","2","4","7","10","4","1") = "9"
    & skf18("10","2","4","7","10","5","1") = "9"
    & skf18("10","2","4","7","10","6","1") = "9"
    & skf18("10","2","4","7","10","7","1") = "9"
    & skf18("10","2","4","7","10","8","1") = "9"
    & skf18("10","2","4","7","10","9","1") = "9"
    & skf18("10","2","4","7","10","10","1") = "9"
    & skf18("10","2","4","8","1","1","1") = "9"
    & skf18("10","2","4","8","1","2","1") = "9"
    & skf18("10","2","4","8","1","3","1") = "9"
    & skf18("10","2","4","8","1","4","1") = "9"
    & skf18("10","2","4","8","1","5","1") = "9"
    & skf18("10","2","4","8","1","6","1") = "9"
    & skf18("10","2","4","8","1","7","1") = "9"
    & skf18("10","2","4","8","1","8","1") = "9"
    & skf18("10","2","4","8","1","9","1") = "9"
    & skf18("10","2","4","8","1","10","1") = "9"
    & skf18("10","2","4","8","2","1","1") = "9"
    & skf18("10","2","4","8","2","2","1") = "9"
    & skf18("10","2","4","8","2","3","1") = "9"
    & skf18("10","2","4","8","2","4","1") = "9"
    & skf18("10","2","4","8","2","5","1") = "9"
    & skf18("10","2","4","8","2","6","1") = "9"
    & skf18("10","2","4","8","2","7","1") = "9"
    & skf18("10","2","4","8","2","8","1") = "9"
    & skf18("10","2","4","8","2","9","1") = "9"
    & skf18("10","2","4","8","2","10","1") = "9"
    & skf18("10","2","4","8","3","1","1") = "9"
    & skf18("10","2","4","8","3","2","1") = "9"
    & skf18("10","2","4","8","3","3","1") = "9"
    & skf18("10","2","4","8","3","4","1") = "9"
    & skf18("10","2","4","8","3","5","1") = "9"
    & skf18("10","2","4","8","3","6","1") = "9"
    & skf18("10","2","4","8","3","7","1") = "9"
    & skf18("10","2","4","8","3","8","1") = "9"
    & skf18("10","2","4","8","3","9","1") = "9"
    & skf18("10","2","4","8","3","10","1") = "9"
    & skf18("10","2","4","8","4","1","1") = "9"
    & skf18("10","2","4","8","4","2","1") = "9"
    & skf18("10","2","4","8","4","3","1") = "9"
    & skf18("10","2","4","8","4","4","1") = "9"
    & skf18("10","2","4","8","4","5","1") = "9"
    & skf18("10","2","4","8","4","6","1") = "9"
    & skf18("10","2","4","8","4","7","1") = "9"
    & skf18("10","2","4","8","4","8","1") = "9"
    & skf18("10","2","4","8","4","9","1") = "9"
    & skf18("10","2","4","8","4","10","1") = "9"
    & skf18("10","2","4","8","5","1","1") = "9"
    & skf18("10","2","4","8","5","2","1") = "9"
    & skf18("10","2","4","8","5","3","1") = "9"
    & skf18("10","2","4","8","5","4","1") = "9"
    & skf18("10","2","4","8","5","5","1") = "9"
    & skf18("10","2","4","8","5","6","1") = "9"
    & skf18("10","2","4","8","5","7","1") = "9"
    & skf18("10","2","4","8","5","8","1") = "9"
    & skf18("10","2","4","8","5","9","1") = "9"
    & skf18("10","2","4","8","5","10","1") = "9"
    & skf18("10","2","4","8","6","1","1") = "9"
    & skf18("10","2","4","8","6","2","1") = "9"
    & skf18("10","2","4","8","6","3","1") = "9"
    & skf18("10","2","4","8","6","4","1") = "9"
    & skf18("10","2","4","8","6","5","1") = "9"
    & skf18("10","2","4","8","6","6","1") = "9"
    & skf18("10","2","4","8","6","7","1") = "9"
    & skf18("10","2","4","8","6","8","1") = "9"
    & skf18("10","2","4","8","6","9","1") = "9"
    & skf18("10","2","4","8","6","10","1") = "9"
    & skf18("10","2","4","8","7","1","1") = "9"
    & skf18("10","2","4","8","7","2","1") = "9"
    & skf18("10","2","4","8","7","3","1") = "9"
    & skf18("10","2","4","8","7","4","1") = "9"
    & skf18("10","2","4","8","7","5","1") = "9"
    & skf18("10","2","4","8","7","6","1") = "9"
    & skf18("10","2","4","8","7","7","1") = "9"
    & skf18("10","2","4","8","7","8","1") = "9"
    & skf18("10","2","4","8","7","9","1") = "9"
    & skf18("10","2","4","8","7","10","1") = "9"
    & skf18("10","2","4","8","8","1","1") = "9"
    & skf18("10","2","4","8","8","2","1") = "9"
    & skf18("10","2","4","8","8","3","1") = "9"
    & skf18("10","2","4","8","8","4","1") = "9"
    & skf18("10","2","4","8","8","5","1") = "9"
    & skf18("10","2","4","8","8","6","1") = "9"
    & skf18("10","2","4","8","8","7","1") = "9"
    & skf18("10","2","4","8","8","8","1") = "9"
    & skf18("10","2","4","8","8","9","1") = "9"
    & skf18("10","2","4","8","8","10","1") = "9"
    & skf18("10","2","4","8","9","1","1") = "9"
    & skf18("10","2","4","8","9","2","1") = "9"
    & skf18("10","2","4","8","9","3","1") = "9"
    & skf18("10","2","4","8","9","4","1") = "9"
    & skf18("10","2","4","8","9","5","1") = "9"
    & skf18("10","2","4","8","9","6","1") = "9"
    & skf18("10","2","4","8","9","7","1") = "9"
    & skf18("10","2","4","8","9","8","1") = "9"
    & skf18("10","2","4","8","9","9","1") = "9"
    & skf18("10","2","4","8","9","10","1") = "9"
    & skf18("10","2","4","8","10","1","1") = "9"
    & skf18("10","2","4","8","10","2","1") = "9"
    & skf18("10","2","4","8","10","3","1") = "9"
    & skf18("10","2","4","8","10","4","1") = "9"
    & skf18("10","2","4","8","10","5","1") = "9"
    & skf18("10","2","4","8","10","6","1") = "9"
    & skf18("10","2","4","8","10","7","1") = "9"
    & skf18("10","2","4","8","10","8","1") = "9"
    & skf18("10","2","4","8","10","9","1") = "9"
    & skf18("10","2","4","8","10","10","1") = "9"
    & skf18("10","2","4","9","1","1","1") = "9"
    & skf18("10","2","4","9","1","2","1") = "9"
    & skf18("10","2","4","9","1","3","1") = "9"
    & skf18("10","2","4","9","1","4","1") = "9"
    & skf18("10","2","4","9","1","5","1") = "9"
    & skf18("10","2","4","9","1","6","1") = "9"
    & skf18("10","2","4","9","1","7","1") = "9"
    & skf18("10","2","4","9","1","8","1") = "9"
    & skf18("10","2","4","9","1","9","1") = "9"
    & skf18("10","2","4","9","1","10","1") = "9"
    & skf18("10","2","4","9","2","1","1") = "9"
    & skf18("10","2","4","9","2","2","1") = "9"
    & skf18("10","2","4","9","2","3","1") = "9"
    & skf18("10","2","4","9","2","4","1") = "9"
    & skf18("10","2","4","9","2","5","1") = "9"
    & skf18("10","2","4","9","2","6","1") = "9"
    & skf18("10","2","4","9","2","7","1") = "9"
    & skf18("10","2","4","9","2","8","1") = "9"
    & skf18("10","2","4","9","2","9","1") = "9"
    & skf18("10","2","4","9","2","10","1") = "9"
    & skf18("10","2","4","9","3","1","1") = "9"
    & skf18("10","2","4","9","3","2","1") = "9"
    & skf18("10","2","4","9","3","3","1") = "9"
    & skf18("10","2","4","9","3","4","1") = "9"
    & skf18("10","2","4","9","3","5","1") = "9"
    & skf18("10","2","4","9","3","6","1") = "9"
    & skf18("10","2","4","9","3","7","1") = "9"
    & skf18("10","2","4","9","3","8","1") = "9"
    & skf18("10","2","4","9","3","9","1") = "9"
    & skf18("10","2","4","9","3","10","1") = "9"
    & skf18("10","2","4","9","4","1","1") = "9"
    & skf18("10","2","4","9","4","2","1") = "9"
    & skf18("10","2","4","9","4","3","1") = "9"
    & skf18("10","2","4","9","4","4","1") = "9"
    & skf18("10","2","4","9","4","5","1") = "9"
    & skf18("10","2","4","9","4","6","1") = "9"
    & skf18("10","2","4","9","4","7","1") = "9"
    & skf18("10","2","4","9","4","8","1") = "9"
    & skf18("10","2","4","9","4","9","1") = "9"
    & skf18("10","2","4","9","4","10","1") = "9"
    & skf18("10","2","4","9","5","1","1") = "9"
    & skf18("10","2","4","9","5","2","1") = "9"
    & skf18("10","2","4","9","5","3","1") = "9"
    & skf18("10","2","4","9","5","4","1") = "9"
    & skf18("10","2","4","9","5","5","1") = "9"
    & skf18("10","2","4","9","5","6","1") = "9"
    & skf18("10","2","4","9","5","7","1") = "9"
    & skf18("10","2","4","9","5","8","1") = "9"
    & skf18("10","2","4","9","5","9","1") = "9"
    & skf18("10","2","4","9","5","10","1") = "9"
    & skf18("10","2","4","9","6","1","1") = "9"
    & skf18("10","2","4","9","6","2","1") = "9"
    & skf18("10","2","4","9","6","3","1") = "9"
    & skf18("10","2","4","9","6","4","1") = "9"
    & skf18("10","2","4","9","6","5","1") = "9"
    & skf18("10","2","4","9","6","6","1") = "9"
    & skf18("10","2","4","9","6","7","1") = "9"
    & skf18("10","2","4","9","6","8","1") = "9"
    & skf18("10","2","4","9","6","9","1") = "9"
    & skf18("10","2","4","9","6","10","1") = "9"
    & skf18("10","2","4","9","7","1","1") = "9"
    & skf18("10","2","4","9","7","2","1") = "9"
    & skf18("10","2","4","9","7","3","1") = "9"
    & skf18("10","2","4","9","7","4","1") = "9"
    & skf18("10","2","4","9","7","5","1") = "9"
    & skf18("10","2","4","9","7","6","1") = "9"
    & skf18("10","2","4","9","7","7","1") = "9"
    & skf18("10","2","4","9","7","8","1") = "9"
    & skf18("10","2","4","9","7","9","1") = "9"
    & skf18("10","2","4","9","7","10","1") = "9"
    & skf18("10","2","4","9","8","1","1") = "9"
    & skf18("10","2","4","9","8","2","1") = "9"
    & skf18("10","2","4","9","8","3","1") = "9"
    & skf18("10","2","4","9","8","4","1") = "9"
    & skf18("10","2","4","9","8","5","1") = "9"
    & skf18("10","2","4","9","8","6","1") = "9"
    & skf18("10","2","4","9","8","7","1") = "9"
    & skf18("10","2","4","9","8","8","1") = "9"
    & skf18("10","2","4","9","8","9","1") = "9"
    & skf18("10","2","4","9","8","10","1") = "9"
    & skf18("10","2","4","9","9","1","1") = "9"
    & skf18("10","2","4","9","9","2","1") = "9"
    & skf18("10","2","4","9","9","3","1") = "9"
    & skf18("10","2","4","9","9","4","1") = "9"
    & skf18("10","2","4","9","9","5","1") = "9"
    & skf18("10","2","4","9","9","6","1") = "9"
    & skf18("10","2","4","9","9","7","1") = "9"
    & skf18("10","2","4","9","9","8","1") = "9"
    & skf18("10","2","4","9","9","9","1") = "9"
    & skf18("10","2","4","9","9","10","1") = "9"
    & skf18("10","2","4","9","10","1","1") = "9"
    & skf18("10","2","4","9","10","2","1") = "9"
    & skf18("10","2","4","9","10","3","1") = "9"
    & skf18("10","2","4","9","10","4","1") = "9"
    & skf18("10","2","4","9","10","5","1") = "9"
    & skf18("10","2","4","9","10","6","1") = "9"
    & skf18("10","2","4","9","10","7","1") = "9"
    & skf18("10","2","4","9","10","8","1") = "9"
    & skf18("10","2","4","9","10","9","1") = "9"
    & skf18("10","2","4","9","10","10","1") = "9"
    & skf18("10","2","4","10","1","1","1") = "9"
    & skf18("10","2","4","10","1","2","1") = "9"
    & skf18("10","2","4","10","1","3","1") = "9"
    & skf18("10","2","4","10","1","4","1") = "9"
    & skf18("10","2","4","10","1","5","1") = "9"
    & skf18("10","2","4","10","1","6","1") = "9"
    & skf18("10","2","4","10","1","7","1") = "9"
    & skf18("10","2","4","10","1","8","1") = "9"
    & skf18("10","2","4","10","1","9","1") = "9"
    & skf18("10","2","4","10","1","10","1") = "9"
    & skf18("10","2","4","10","2","1","1") = "9"
    & skf18("10","2","4","10","2","2","1") = "9"
    & skf18("10","2","4","10","2","3","1") = "9"
    & skf18("10","2","4","10","2","4","1") = "9"
    & skf18("10","2","4","10","2","5","1") = "9"
    & skf18("10","2","4","10","2","6","1") = "9"
    & skf18("10","2","4","10","2","7","1") = "9"
    & skf18("10","2","4","10","2","8","1") = "9"
    & skf18("10","2","4","10","2","9","1") = "9"
    & skf18("10","2","4","10","2","10","1") = "9"
    & skf18("10","2","4","10","3","1","1") = "9"
    & skf18("10","2","4","10","3","2","1") = "9"
    & skf18("10","2","4","10","3","3","1") = "9"
    & skf18("10","2","4","10","3","4","1") = "9"
    & skf18("10","2","4","10","3","5","1") = "9"
    & skf18("10","2","4","10","3","6","1") = "9"
    & skf18("10","2","4","10","3","7","1") = "9"
    & skf18("10","2","4","10","3","8","1") = "9"
    & skf18("10","2","4","10","3","9","1") = "9"
    & skf18("10","2","4","10","3","10","1") = "9"
    & skf18("10","2","4","10","4","1","1") = "9"
    & skf18("10","2","4","10","4","2","1") = "9"
    & skf18("10","2","4","10","4","3","1") = "9"
    & skf18("10","2","4","10","4","4","1") = "9"
    & skf18("10","2","4","10","4","5","1") = "9"
    & skf18("10","2","4","10","4","6","1") = "9"
    & skf18("10","2","4","10","4","7","1") = "9"
    & skf18("10","2","4","10","4","8","1") = "9"
    & skf18("10","2","4","10","4","9","1") = "9"
    & skf18("10","2","4","10","4","10","1") = "9"
    & skf18("10","2","4","10","5","1","1") = "9"
    & skf18("10","2","4","10","5","2","1") = "9"
    & skf18("10","2","4","10","5","3","1") = "9"
    & skf18("10","2","4","10","5","4","1") = "9"
    & skf18("10","2","4","10","5","5","1") = "9"
    & skf18("10","2","4","10","5","6","1") = "9"
    & skf18("10","2","4","10","5","7","1") = "9"
    & skf18("10","2","4","10","5","8","1") = "9"
    & skf18("10","2","4","10","5","9","1") = "9"
    & skf18("10","2","4","10","5","10","1") = "9"
    & skf18("10","2","4","10","6","1","1") = "9"
    & skf18("10","2","4","10","6","2","1") = "9"
    & skf18("10","2","4","10","6","3","1") = "9"
    & skf18("10","2","4","10","6","4","1") = "9"
    & skf18("10","2","4","10","6","5","1") = "9"
    & skf18("10","2","4","10","6","6","1") = "9"
    & skf18("10","2","4","10","6","7","1") = "9"
    & skf18("10","2","4","10","6","8","1") = "9"
    & skf18("10","2","4","10","6","9","1") = "9"
    & skf18("10","2","4","10","6","10","1") = "9"
    & skf18("10","2","4","10","7","1","1") = "9"
    & skf18("10","2","4","10","7","2","1") = "9"
    & skf18("10","2","4","10","7","3","1") = "9"
    & skf18("10","2","4","10","7","4","1") = "9"
    & skf18("10","2","4","10","7","5","1") = "9"
    & skf18("10","2","4","10","7","6","1") = "9"
    & skf18("10","2","4","10","7","7","1") = "9"
    & skf18("10","2","4","10","7","8","1") = "9"
    & skf18("10","2","4","10","7","9","1") = "9"
    & skf18("10","2","4","10","7","10","1") = "9"
    & skf18("10","2","4","10","8","1","1") = "9"
    & skf18("10","2","4","10","8","2","1") = "9"
    & skf18("10","2","4","10","8","3","1") = "9"
    & skf18("10","2","4","10","8","4","1") = "9"
    & skf18("10","2","4","10","8","5","1") = "9"
    & skf18("10","2","4","10","8","6","1") = "9"
    & skf18("10","2","4","10","8","7","1") = "9"
    & skf18("10","2","4","10","8","8","1") = "9"
    & skf18("10","2","4","10","8","9","1") = "9"
    & skf18("10","2","4","10","8","10","1") = "9"
    & skf18("10","2","4","10","9","1","1") = "9"
    & skf18("10","2","4","10","9","2","1") = "9"
    & skf18("10","2","4","10","9","3","1") = "9"
    & skf18("10","2","4","10","9","4","1") = "9"
    & skf18("10","2","4","10","9","5","1") = "9"
    & skf18("10","2","4","10","9","6","1") = "9"
    & skf18("10","2","4","10","9","7","1") = "9"
    & skf18("10","2","4","10","9","8","1") = "9"
    & skf18("10","2","4","10","9","9","1") = "9"
    & skf18("10","2","4","10","9","10","1") = "9"
    & skf18("10","2","4","10","10","1","1") = "9"
    & skf18("10","2","4","10","10","2","1") = "9"
    & skf18("10","2","4","10","10","3","1") = "9"
    & skf18("10","2","4","10","10","4","1") = "9"
    & skf18("10","2","4","10","10","5","1") = "9"
    & skf18("10","2","4","10","10","6","1") = "9"
    & skf18("10","2","4","10","10","7","1") = "9"
    & skf18("10","2","4","10","10","8","1") = "9"
    & skf18("10","2","4","10","10","9","1") = "9"
    & skf18("10","2","4","10","10","10","1") = "9"
    & skf18("10","2","5","1","1","1","1") = "9"
    & skf18("10","2","5","1","1","2","1") = "9"
    & skf18("10","2","5","1","1","3","1") = "9"
    & skf18("10","2","5","1","1","4","1") = "9"
    & skf18("10","2","5","1","1","5","1") = "9"
    & skf18("10","2","5","1","1","6","1") = "9"
    & skf18("10","2","5","1","1","7","1") = "9"
    & skf18("10","2","5","1","1","8","1") = "9"
    & skf18("10","2","5","1","1","9","1") = "9"
    & skf18("10","2","5","1","1","10","1") = "9"
    & skf18("10","2","5","1","2","1","1") = "9"
    & skf18("10","2","5","1","2","2","1") = "9"
    & skf18("10","2","5","1","2","3","1") = "9"
    & skf18("10","2","5","1","2","4","1") = "9"
    & skf18("10","2","5","1","2","5","1") = "9"
    & skf18("10","2","5","1","2","6","1") = "9"
    & skf18("10","2","5","1","2","7","1") = "9"
    & skf18("10","2","5","1","2","8","1") = "9"
    & skf18("10","2","5","1","2","9","1") = "9"
    & skf18("10","2","5","1","2","10","1") = "9"
    & skf18("10","2","5","1","3","1","1") = "9"
    & skf18("10","2","5","1","3","2","1") = "9"
    & skf18("10","2","5","1","3","3","1") = "9"
    & skf18("10","2","5","1","3","4","1") = "9"
    & skf18("10","2","5","1","3","5","1") = "9"
    & skf18("10","2","5","1","3","6","1") = "9"
    & skf18("10","2","5","1","3","7","1") = "9"
    & skf18("10","2","5","1","3","8","1") = "9"
    & skf18("10","2","5","1","3","9","1") = "9"
    & skf18("10","2","5","1","3","10","1") = "9"
    & skf18("10","2","5","1","4","1","1") = "9"
    & skf18("10","2","5","1","4","2","1") = "9"
    & skf18("10","2","5","1","4","3","1") = "9"
    & skf18("10","2","5","1","4","4","1") = "9"
    & skf18("10","2","5","1","4","5","1") = "9"
    & skf18("10","2","5","1","4","6","1") = "9"
    & skf18("10","2","5","1","4","7","1") = "9"
    & skf18("10","2","5","1","4","8","1") = "9"
    & skf18("10","2","5","1","4","9","1") = "9"
    & skf18("10","2","5","1","4","10","1") = "9"
    & skf18("10","2","5","1","5","1","1") = "9"
    & skf18("10","2","5","1","5","2","1") = "9"
    & skf18("10","2","5","1","5","3","1") = "9"
    & skf18("10","2","5","1","5","4","1") = "9"
    & skf18("10","2","5","1","5","5","1") = "9"
    & skf18("10","2","5","1","5","6","1") = "9"
    & skf18("10","2","5","1","5","7","1") = "9"
    & skf18("10","2","5","1","5","8","1") = "9"
    & skf18("10","2","5","1","5","9","1") = "9"
    & skf18("10","2","5","1","5","10","1") = "9"
    & skf18("10","2","5","1","6","1","1") = "9"
    & skf18("10","2","5","1","6","2","1") = "9"
    & skf18("10","2","5","1","6","3","1") = "9"
    & skf18("10","2","5","1","6","4","1") = "9"
    & skf18("10","2","5","1","6","5","1") = "9"
    & skf18("10","2","5","1","6","6","1") = "9"
    & skf18("10","2","5","1","6","7","1") = "9"
    & skf18("10","2","5","1","6","8","1") = "9"
    & skf18("10","2","5","1","6","9","1") = "9"
    & skf18("10","2","5","1","6","10","1") = "9"
    & skf18("10","2","5","1","7","1","1") = "9"
    & skf18("10","2","5","1","7","2","1") = "9"
    & skf18("10","2","5","1","7","3","1") = "9"
    & skf18("10","2","5","1","7","4","1") = "9"
    & skf18("10","2","5","1","7","5","1") = "9"
    & skf18("10","2","5","1","7","6","1") = "9"
    & skf18("10","2","5","1","7","7","1") = "9"
    & skf18("10","2","5","1","7","8","1") = "9"
    & skf18("10","2","5","1","7","9","1") = "9"
    & skf18("10","2","5","1","7","10","1") = "9"
    & skf18("10","2","5","1","8","1","1") = "9"
    & skf18("10","2","5","1","8","2","1") = "9"
    & skf18("10","2","5","1","8","3","1") = "9"
    & skf18("10","2","5","1","8","4","1") = "9"
    & skf18("10","2","5","1","8","5","1") = "9"
    & skf18("10","2","5","1","8","6","1") = "9"
    & skf18("10","2","5","1","8","7","1") = "9"
    & skf18("10","2","5","1","8","8","1") = "9"
    & skf18("10","2","5","1","8","9","1") = "9"
    & skf18("10","2","5","1","8","10","1") = "9"
    & skf18("10","2","5","1","9","1","1") = "9"
    & skf18("10","2","5","1","9","2","1") = "9"
    & skf18("10","2","5","1","9","3","1") = "9"
    & skf18("10","2","5","1","9","4","1") = "9"
    & skf18("10","2","5","1","9","5","1") = "9"
    & skf18("10","2","5","1","9","6","1") = "9"
    & skf18("10","2","5","1","9","7","1") = "9"
    & skf18("10","2","5","1","9","8","1") = "9"
    & skf18("10","2","5","1","9","9","1") = "9"
    & skf18("10","2","5","1","9","10","1") = "9"
    & skf18("10","2","5","1","10","1","1") = "9"
    & skf18("10","2","5","1","10","2","1") = "9"
    & skf18("10","2","5","1","10","3","1") = "9"
    & skf18("10","2","5","1","10","4","1") = "9"
    & skf18("10","2","5","1","10","5","1") = "9"
    & skf18("10","2","5","1","10","6","1") = "9"
    & skf18("10","2","5","1","10","7","1") = "9"
    & skf18("10","2","5","1","10","8","1") = "9"
    & skf18("10","2","5","1","10","9","1") = "9"
    & skf18("10","2","5","1","10","10","1") = "9"
    & skf18("10","2","5","2","1","1","1") = "9"
    & skf18("10","2","5","2","1","2","1") = "9"
    & skf18("10","2","5","2","1","3","1") = "9"
    & skf18("10","2","5","2","1","4","1") = "9"
    & skf18("10","2","5","2","1","5","1") = "9"
    & skf18("10","2","5","2","1","6","1") = "9"
    & skf18("10","2","5","2","1","7","1") = "9"
    & skf18("10","2","5","2","1","8","1") = "9"
    & skf18("10","2","5","2","1","9","1") = "9"
    & skf18("10","2","5","2","1","10","1") = "9"
    & skf18("10","2","5","2","2","1","1") = "9"
    & skf18("10","2","5","2","2","2","1") = "9"
    & skf18("10","2","5","2","2","3","1") = "9"
    & skf18("10","2","5","2","2","4","1") = "9"
    & skf18("10","2","5","2","2","5","1") = "9"
    & skf18("10","2","5","2","2","6","1") = "9"
    & skf18("10","2","5","2","2","7","1") = "9"
    & skf18("10","2","5","2","2","8","1") = "9"
    & skf18("10","2","5","2","2","9","1") = "9"
    & skf18("10","2","5","2","2","10","1") = "9"
    & skf18("10","2","5","2","3","1","1") = "9"
    & skf18("10","2","5","2","3","2","1") = "9"
    & skf18("10","2","5","2","3","3","1") = "9"
    & skf18("10","2","5","2","3","4","1") = "9"
    & skf18("10","2","5","2","3","5","1") = "9"
    & skf18("10","2","5","2","3","6","1") = "9"
    & skf18("10","2","5","2","3","7","1") = "9"
    & skf18("10","2","5","2","3","8","1") = "9"
    & skf18("10","2","5","2","3","9","1") = "9"
    & skf18("10","2","5","2","3","10","1") = "9"
    & skf18("10","2","5","2","4","1","1") = "9"
    & skf18("10","2","5","2","4","2","1") = "9"
    & skf18("10","2","5","2","4","3","1") = "9"
    & skf18("10","2","5","2","4","4","1") = "9"
    & skf18("10","2","5","2","4","5","1") = "9"
    & skf18("10","2","5","2","4","6","1") = "9"
    & skf18("10","2","5","2","4","7","1") = "9"
    & skf18("10","2","5","2","4","8","1") = "9"
    & skf18("10","2","5","2","4","9","1") = "9"
    & skf18("10","2","5","2","4","10","1") = "9"
    & skf18("10","2","5","2","5","1","1") = "9"
    & skf18("10","2","5","2","5","2","1") = "9"
    & skf18("10","2","5","2","5","3","1") = "9"
    & skf18("10","2","5","2","5","4","1") = "9"
    & skf18("10","2","5","2","5","5","1") = "9"
    & skf18("10","2","5","2","5","6","1") = "9"
    & skf18("10","2","5","2","5","7","1") = "9"
    & skf18("10","2","5","2","5","8","1") = "9"
    & skf18("10","2","5","2","5","9","1") = "9"
    & skf18("10","2","5","2","5","10","1") = "9"
    & skf18("10","2","5","2","6","1","1") = "9"
    & skf18("10","2","5","2","6","2","1") = "9"
    & skf18("10","2","5","2","6","3","1") = "9"
    & skf18("10","2","5","2","6","4","1") = "9"
    & skf18("10","2","5","2","6","5","1") = "9"
    & skf18("10","2","5","2","6","6","1") = "9"
    & skf18("10","2","5","2","6","7","1") = "9"
    & skf18("10","2","5","2","6","8","1") = "9"
    & skf18("10","2","5","2","6","9","1") = "9"
    & skf18("10","2","5","2","6","10","1") = "9"
    & skf18("10","2","5","2","7","1","1") = "9"
    & skf18("10","2","5","2","7","2","1") = "9"
    & skf18("10","2","5","2","7","3","1") = "9"
    & skf18("10","2","5","2","7","4","1") = "9"
    & skf18("10","2","5","2","7","5","1") = "9"
    & skf18("10","2","5","2","7","6","1") = "9"
    & skf18("10","2","5","2","7","7","1") = "9"
    & skf18("10","2","5","2","7","8","1") = "9"
    & skf18("10","2","5","2","7","9","1") = "9"
    & skf18("10","2","5","2","7","10","1") = "9"
    & skf18("10","2","5","2","8","1","1") = "9"
    & skf18("10","2","5","2","8","2","1") = "9"
    & skf18("10","2","5","2","8","3","1") = "9"
    & skf18("10","2","5","2","8","4","1") = "9"
    & skf18("10","2","5","2","8","5","1") = "9"
    & skf18("10","2","5","2","8","6","1") = "9"
    & skf18("10","2","5","2","8","7","1") = "9"
    & skf18("10","2","5","2","8","8","1") = "9"
    & skf18("10","2","5","2","8","9","1") = "9"
    & skf18("10","2","5","2","8","10","1") = "9"
    & skf18("10","2","5","2","9","1","1") = "9"
    & skf18("10","2","5","2","9","2","1") = "9"
    & skf18("10","2","5","2","9","3","1") = "9"
    & skf18("10","2","5","2","9","4","1") = "9"
    & skf18("10","2","5","2","9","5","1") = "9"
    & skf18("10","2","5","2","9","6","1") = "9"
    & skf18("10","2","5","2","9","7","1") = "9"
    & skf18("10","2","5","2","9","8","1") = "9"
    & skf18("10","2","5","2","9","9","1") = "9"
    & skf18("10","2","5","2","9","10","1") = "9"
    & skf18("10","2","5","2","10","1","1") = "9"
    & skf18("10","2","5","2","10","2","1") = "9"
    & skf18("10","2","5","2","10","3","1") = "9"
    & skf18("10","2","5","2","10","4","1") = "9"
    & skf18("10","2","5","2","10","5","1") = "9"
    & skf18("10","2","5","2","10","6","1") = "9"
    & skf18("10","2","5","2","10","7","1") = "9"
    & skf18("10","2","5","2","10","8","1") = "9"
    & skf18("10","2","5","2","10","9","1") = "9"
    & skf18("10","2","5","2","10","10","1") = "9"
    & skf18("10","2","5","3","1","1","1") = "9"
    & skf18("10","2","5","3","1","2","1") = "9"
    & skf18("10","2","5","3","1","3","1") = "9"
    & skf18("10","2","5","3","1","4","1") = "9"
    & skf18("10","2","5","3","1","5","1") = "9"
    & skf18("10","2","5","3","1","6","1") = "9"
    & skf18("10","2","5","3","1","7","1") = "9"
    & skf18("10","2","5","3","1","8","1") = "9"
    & skf18("10","2","5","3","1","9","1") = "9"
    & skf18("10","2","5","3","1","10","1") = "9"
    & skf18("10","2","5","3","2","1","1") = "9"
    & skf18("10","2","5","3","2","2","1") = "9"
    & skf18("10","2","5","3","2","3","1") = "9"
    & skf18("10","2","5","3","2","4","1") = "9"
    & skf18("10","2","5","3","2","5","1") = "9"
    & skf18("10","2","5","3","2","6","1") = "9"
    & skf18("10","2","5","3","2","7","1") = "9"
    & skf18("10","2","5","3","2","8","1") = "9"
    & skf18("10","2","5","3","2","9","1") = "9"
    & skf18("10","2","5","3","2","10","1") = "9"
    & skf18("10","2","5","3","3","1","1") = "9"
    & skf18("10","2","5","3","3","2","1") = "9"
    & skf18("10","2","5","3","3","3","1") = "9"
    & skf18("10","2","5","3","3","4","1") = "9"
    & skf18("10","2","5","3","3","5","1") = "9"
    & skf18("10","2","5","3","3","6","1") = "9"
    & skf18("10","2","5","3","3","7","1") = "9"
    & skf18("10","2","5","3","3","8","1") = "9"
    & skf18("10","2","5","3","3","9","1") = "9"
    & skf18("10","2","5","3","3","10","1") = "9"
    & skf18("10","2","5","3","4","1","1") = "9"
    & skf18("10","2","5","3","4","2","1") = "9"
    & skf18("10","2","5","3","4","3","1") = "9"
    & skf18("10","2","5","3","4","4","1") = "9"
    & skf18("10","2","5","3","4","5","1") = "9"
    & skf18("10","2","5","3","4","6","1") = "9"
    & skf18("10","2","5","3","4","7","1") = "9"
    & skf18("10","2","5","3","4","8","1") = "9"
    & skf18("10","2","5","3","4","9","1") = "9"
    & skf18("10","2","5","3","4","10","1") = "9"
    & skf18("10","2","5","3","5","1","1") = "9"
    & skf18("10","2","5","3","5","2","1") = "9"
    & skf18("10","2","5","3","5","3","1") = "9"
    & skf18("10","2","5","3","5","4","1") = "9"
    & skf18("10","2","5","3","5","5","1") = "9"
    & skf18("10","2","5","3","5","6","1") = "9"
    & skf18("10","2","5","3","5","7","1") = "9"
    & skf18("10","2","5","3","5","8","1") = "9"
    & skf18("10","2","5","3","5","9","1") = "9"
    & skf18("10","2","5","3","5","10","1") = "9"
    & skf18("10","2","5","3","6","1","1") = "9"
    & skf18("10","2","5","3","6","2","1") = "9"
    & skf18("10","2","5","3","6","3","1") = "9"
    & skf18("10","2","5","3","6","4","1") = "9"
    & skf18("10","2","5","3","6","5","1") = "9"
    & skf18("10","2","5","3","6","6","1") = "9"
    & skf18("10","2","5","3","6","7","1") = "9"
    & skf18("10","2","5","3","6","8","1") = "9"
    & skf18("10","2","5","3","6","9","1") = "9"
    & skf18("10","2","5","3","6","10","1") = "9"
    & skf18("10","2","5","3","7","1","1") = "9"
    & skf18("10","2","5","3","7","2","1") = "9"
    & skf18("10","2","5","3","7","3","1") = "9"
    & skf18("10","2","5","3","7","4","1") = "9"
    & skf18("10","2","5","3","7","5","1") = "9"
    & skf18("10","2","5","3","7","6","1") = "9"
    & skf18("10","2","5","3","7","7","1") = "9"
    & skf18("10","2","5","3","7","8","1") = "9"
    & skf18("10","2","5","3","7","9","1") = "9"
    & skf18("10","2","5","3","7","10","1") = "9"
    & skf18("10","2","5","3","8","1","1") = "9"
    & skf18("10","2","5","3","8","2","1") = "9"
    & skf18("10","2","5","3","8","3","1") = "9"
    & skf18("10","2","5","3","8","4","1") = "9"
    & skf18("10","2","5","3","8","5","1") = "9"
    & skf18("10","2","5","3","8","6","1") = "9"
    & skf18("10","2","5","3","8","7","1") = "9"
    & skf18("10","2","5","3","8","8","1") = "9"
    & skf18("10","2","5","3","8","9","1") = "9"
    & skf18("10","2","5","3","8","10","1") = "9"
    & skf18("10","2","5","3","9","1","1") = "9"
    & skf18("10","2","5","3","9","2","1") = "9"
    & skf18("10","2","5","3","9","3","1") = "9"
    & skf18("10","2","5","3","9","4","1") = "9"
    & skf18("10","2","5","3","9","5","1") = "9"
    & skf18("10","2","5","3","9","6","1") = "9"
    & skf18("10","2","5","3","9","7","1") = "9"
    & skf18("10","2","5","3","9","8","1") = "9"
    & skf18("10","2","5","3","9","9","1") = "9"
    & skf18("10","2","5","3","9","10","1") = "9"
    & skf18("10","2","5","3","10","1","1") = "9"
    & skf18("10","2","5","3","10","2","1") = "9"
    & skf18("10","2","5","3","10","3","1") = "9"
    & skf18("10","2","5","3","10","4","1") = "9"
    & skf18("10","2","5","3","10","5","1") = "9"
    & skf18("10","2","5","3","10","6","1") = "9"
    & skf18("10","2","5","3","10","7","1") = "9"
    & skf18("10","2","5","3","10","8","1") = "9"
    & skf18("10","2","5","3","10","9","1") = "9"
    & skf18("10","2","5","3","10","10","1") = "9"
    & skf18("10","2","5","4","1","1","1") = "9"
    & skf18("10","2","5","4","1","2","1") = "9"
    & skf18("10","2","5","4","1","3","1") = "9"
    & skf18("10","2","5","4","1","4","1") = "9"
    & skf18("10","2","5","4","1","5","1") = "9"
    & skf18("10","2","5","4","1","6","1") = "9"
    & skf18("10","2","5","4","1","7","1") = "9"
    & skf18("10","2","5","4","1","8","1") = "9"
    & skf18("10","2","5","4","1","9","1") = "9"
    & skf18("10","2","5","4","1","10","1") = "9"
    & skf18("10","2","5","4","2","1","1") = "9"
    & skf18("10","2","5","4","2","2","1") = "9"
    & skf18("10","2","5","4","2","3","1") = "9"
    & skf18("10","2","5","4","2","4","1") = "9"
    & skf18("10","2","5","4","2","5","1") = "9"
    & skf18("10","2","5","4","2","6","1") = "9"
    & skf18("10","2","5","4","2","7","1") = "9"
    & skf18("10","2","5","4","2","8","1") = "9"
    & skf18("10","2","5","4","2","9","1") = "9"
    & skf18("10","2","5","4","2","10","1") = "9"
    & skf18("10","2","5","4","3","1","1") = "9"
    & skf18("10","2","5","4","3","2","1") = "9"
    & skf18("10","2","5","4","3","3","1") = "9"
    & skf18("10","2","5","4","3","4","1") = "9"
    & skf18("10","2","5","4","3","5","1") = "9"
    & skf18("10","2","5","4","3","6","1") = "9"
    & skf18("10","2","5","4","3","7","1") = "9"
    & skf18("10","2","5","4","3","8","1") = "9"
    & skf18("10","2","5","4","3","9","1") = "9"
    & skf18("10","2","5","4","3","10","1") = "9"
    & skf18("10","2","5","4","4","1","1") = "9"
    & skf18("10","2","5","4","4","2","1") = "9"
    & skf18("10","2","5","4","4","3","1") = "9"
    & skf18("10","2","5","4","4","4","1") = "9"
    & skf18("10","2","5","4","4","5","1") = "9"
    & skf18("10","2","5","4","4","6","1") = "9"
    & skf18("10","2","5","4","4","7","1") = "9"
    & skf18("10","2","5","4","4","8","1") = "9"
    & skf18("10","2","5","4","4","9","1") = "9"
    & skf18("10","2","5","4","4","10","1") = "9"
    & skf18("10","2","5","4","5","1","1") = "9"
    & skf18("10","2","5","4","5","2","1") = "9"
    & skf18("10","2","5","4","5","3","1") = "9"
    & skf18("10","2","5","4","5","4","1") = "9"
    & skf18("10","2","5","4","5","5","1") = "9"
    & skf18("10","2","5","4","5","6","1") = "9"
    & skf18("10","2","5","4","5","7","1") = "9"
    & skf18("10","2","5","4","5","8","1") = "9"
    & skf18("10","2","5","4","5","9","1") = "9"
    & skf18("10","2","5","4","5","10","1") = "9"
    & skf18("10","2","5","4","6","1","1") = "9"
    & skf18("10","2","5","4","6","2","1") = "9"
    & skf18("10","2","5","4","6","3","1") = "9"
    & skf18("10","2","5","4","6","4","1") = "9"
    & skf18("10","2","5","4","6","5","1") = "9"
    & skf18("10","2","5","4","6","6","1") = "9"
    & skf18("10","2","5","4","6","7","1") = "9"
    & skf18("10","2","5","4","6","8","1") = "9"
    & skf18("10","2","5","4","6","9","1") = "9"
    & skf18("10","2","5","4","6","10","1") = "9"
    & skf18("10","2","5","4","7","1","1") = "9"
    & skf18("10","2","5","4","7","2","1") = "9"
    & skf18("10","2","5","4","7","3","1") = "9"
    & skf18("10","2","5","4","7","4","1") = "9"
    & skf18("10","2","5","4","7","5","1") = "9"
    & skf18("10","2","5","4","7","6","1") = "9"
    & skf18("10","2","5","4","7","7","1") = "9"
    & skf18("10","2","5","4","7","8","1") = "9"
    & skf18("10","2","5","4","7","9","1") = "9"
    & skf18("10","2","5","4","7","10","1") = "9"
    & skf18("10","2","5","4","8","1","1") = "9"
    & skf18("10","2","5","4","8","2","1") = "9"
    & skf18("10","2","5","4","8","3","1") = "9"
    & skf18("10","2","5","4","8","4","1") = "9"
    & skf18("10","2","5","4","8","5","1") = "9"
    & skf18("10","2","5","4","8","6","1") = "9"
    & skf18("10","2","5","4","8","7","1") = "9"
    & skf18("10","2","5","4","8","8","1") = "9"
    & skf18("10","2","5","4","8","9","1") = "9"
    & skf18("10","2","5","4","8","10","1") = "9"
    & skf18("10","2","5","4","9","1","1") = "9"
    & skf18("10","2","5","4","9","2","1") = "9"
    & skf18("10","2","5","4","9","3","1") = "9"
    & skf18("10","2","5","4","9","4","1") = "9"
    & skf18("10","2","5","4","9","5","1") = "9"
    & skf18("10","2","5","4","9","6","1") = "9"
    & skf18("10","2","5","4","9","7","1") = "9"
    & skf18("10","2","5","4","9","8","1") = "9"
    & skf18("10","2","5","4","9","9","1") = "9"
    & skf18("10","2","5","4","9","10","1") = "9"
    & skf18("10","2","5","4","10","1","1") = "9"
    & skf18("10","2","5","4","10","2","1") = "9"
    & skf18("10","2","5","4","10","3","1") = "9"
    & skf18("10","2","5","4","10","4","1") = "9"
    & skf18("10","2","5","4","10","5","1") = "9"
    & skf18("10","2","5","4","10","6","1") = "9"
    & skf18("10","2","5","4","10","7","1") = "9"
    & skf18("10","2","5","4","10","8","1") = "9"
    & skf18("10","2","5","4","10","9","1") = "9"
    & skf18("10","2","5","4","10","10","1") = "9"
    & skf18("10","2","5","5","1","1","1") = "9"
    & skf18("10","2","5","5","1","2","1") = "9"
    & skf18("10","2","5","5","1","3","1") = "9"
    & skf18("10","2","5","5","1","4","1") = "9"
    & skf18("10","2","5","5","1","5","1") = "9"
    & skf18("10","2","5","5","1","6","1") = "9"
    & skf18("10","2","5","5","1","7","1") = "9"
    & skf18("10","2","5","5","1","8","1") = "9"
    & skf18("10","2","5","5","1","9","1") = "9"
    & skf18("10","2","5","5","1","10","1") = "9"
    & skf18("10","2","5","5","2","1","1") = "9"
    & skf18("10","2","5","5","2","2","1") = "9"
    & skf18("10","2","5","5","2","3","1") = "9"
    & skf18("10","2","5","5","2","4","1") = "9"
    & skf18("10","2","5","5","2","5","1") = "9"
    & skf18("10","2","5","5","2","6","1") = "9"
    & skf18("10","2","5","5","2","7","1") = "9"
    & skf18("10","2","5","5","2","8","1") = "9"
    & skf18("10","2","5","5","2","9","1") = "9"
    & skf18("10","2","5","5","2","10","1") = "9"
    & skf18("10","2","5","5","3","1","1") = "9"
    & skf18("10","2","5","5","3","2","1") = "9"
    & skf18("10","2","5","5","3","3","1") = "9"
    & skf18("10","2","5","5","3","4","1") = "9"
    & skf18("10","2","5","5","3","5","1") = "9"
    & skf18("10","2","5","5","3","6","1") = "9"
    & skf18("10","2","5","5","3","7","1") = "9"
    & skf18("10","2","5","5","3","8","1") = "9"
    & skf18("10","2","5","5","3","9","1") = "9"
    & skf18("10","2","5","5","3","10","1") = "9"
    & skf18("10","2","5","5","4","1","1") = "9"
    & skf18("10","2","5","5","4","2","1") = "9"
    & skf18("10","2","5","5","4","3","1") = "9"
    & skf18("10","2","5","5","4","4","1") = "9"
    & skf18("10","2","5","5","4","5","1") = "9"
    & skf18("10","2","5","5","4","6","1") = "9"
    & skf18("10","2","5","5","4","7","1") = "9"
    & skf18("10","2","5","5","4","8","1") = "9"
    & skf18("10","2","5","5","4","9","1") = "9"
    & skf18("10","2","5","5","4","10","1") = "9"
    & skf18("10","2","5","5","5","1","1") = "9"
    & skf18("10","2","5","5","5","2","1") = "9"
    & skf18("10","2","5","5","5","3","1") = "9"
    & skf18("10","2","5","5","5","4","1") = "9"
    & skf18("10","2","5","5","5","5","1") = "9"
    & skf18("10","2","5","5","5","6","1") = "9"
    & skf18("10","2","5","5","5","7","1") = "9"
    & skf18("10","2","5","5","5","8","1") = "9"
    & skf18("10","2","5","5","5","9","1") = "9"
    & skf18("10","2","5","5","5","10","1") = "9"
    & skf18("10","2","5","5","6","1","1") = "9"
    & skf18("10","2","5","5","6","2","1") = "9"
    & skf18("10","2","5","5","6","3","1") = "9"
    & skf18("10","2","5","5","6","4","1") = "9"
    & skf18("10","2","5","5","6","5","1") = "9"
    & skf18("10","2","5","5","6","6","1") = "9"
    & skf18("10","2","5","5","6","7","1") = "9"
    & skf18("10","2","5","5","6","8","1") = "9"
    & skf18("10","2","5","5","6","9","1") = "9"
    & skf18("10","2","5","5","6","10","1") = "9"
    & skf18("10","2","5","5","7","1","1") = "9"
    & skf18("10","2","5","5","7","2","1") = "9"
    & skf18("10","2","5","5","7","3","1") = "9"
    & skf18("10","2","5","5","7","4","1") = "9"
    & skf18("10","2","5","5","7","5","1") = "9"
    & skf18("10","2","5","5","7","6","1") = "9"
    & skf18("10","2","5","5","7","7","1") = "9"
    & skf18("10","2","5","5","7","8","1") = "9"
    & skf18("10","2","5","5","7","9","1") = "9"
    & skf18("10","2","5","5","7","10","1") = "9"
    & skf18("10","2","5","5","8","1","1") = "9"
    & skf18("10","2","5","5","8","2","1") = "9"
    & skf18("10","2","5","5","8","3","1") = "9"
    & skf18("10","2","5","5","8","4","1") = "9"
    & skf18("10","2","5","5","8","5","1") = "9"
    & skf18("10","2","5","5","8","6","1") = "9"
    & skf18("10","2","5","5","8","7","1") = "9"
    & skf18("10","2","5","5","8","8","1") = "9"
    & skf18("10","2","5","5","8","9","1") = "9"
    & skf18("10","2","5","5","8","10","1") = "9"
    & skf18("10","2","5","5","9","1","1") = "9"
    & skf18("10","2","5","5","9","2","1") = "9"
    & skf18("10","2","5","5","9","3","1") = "9"
    & skf18("10","2","5","5","9","4","1") = "9"
    & skf18("10","2","5","5","9","5","1") = "9"
    & skf18("10","2","5","5","9","6","1") = "9"
    & skf18("10","2","5","5","9","7","1") = "9"
    & skf18("10","2","5","5","9","8","1") = "9"
    & skf18("10","2","5","5","9","9","1") = "9"
    & skf18("10","2","5","5","9","10","1") = "9"
    & skf18("10","2","5","5","10","1","1") = "9"
    & skf18("10","2","5","5","10","2","1") = "9"
    & skf18("10","2","5","5","10","3","1") = "9"
    & skf18("10","2","5","5","10","4","1") = "9"
    & skf18("10","2","5","5","10","5","1") = "9"
    & skf18("10","2","5","5","10","6","1") = "9"
    & skf18("10","2","5","5","10","7","1") = "9"
    & skf18("10","2","5","5","10","8","1") = "9"
    & skf18("10","2","5","5","10","9","1") = "9"
    & skf18("10","2","5","5","10","10","1") = "9"
    & skf18("10","2","5","6","1","1","1") = "9"
    & skf18("10","2","5","6","1","2","1") = "9"
    & skf18("10","2","5","6","1","3","1") = "9"
    & skf18("10","2","5","6","1","4","1") = "9"
    & skf18("10","2","5","6","1","5","1") = "9"
    & skf18("10","2","5","6","1","6","1") = "9"
    & skf18("10","2","5","6","1","7","1") = "9"
    & skf18("10","2","5","6","1","8","1") = "9"
    & skf18("10","2","5","6","1","9","1") = "9"
    & skf18("10","2","5","6","1","10","1") = "9"
    & skf18("10","2","5","6","2","1","1") = "9"
    & skf18("10","2","5","6","2","2","1") = "9"
    & skf18("10","2","5","6","2","3","1") = "9"
    & skf18("10","2","5","6","2","4","1") = "9"
    & skf18("10","2","5","6","2","5","1") = "9"
    & skf18("10","2","5","6","2","6","1") = "9"
    & skf18("10","2","5","6","2","7","1") = "9"
    & skf18("10","2","5","6","2","8","1") = "9"
    & skf18("10","2","5","6","2","9","1") = "9"
    & skf18("10","2","5","6","2","10","1") = "9"
    & skf18("10","2","5","6","3","1","1") = "9"
    & skf18("10","2","5","6","3","2","1") = "9"
    & skf18("10","2","5","6","3","3","1") = "9"
    & skf18("10","2","5","6","3","4","1") = "9"
    & skf18("10","2","5","6","3","5","1") = "9"
    & skf18("10","2","5","6","3","6","1") = "9"
    & skf18("10","2","5","6","3","7","1") = "9"
    & skf18("10","2","5","6","3","8","1") = "9"
    & skf18("10","2","5","6","3","9","1") = "9"
    & skf18("10","2","5","6","3","10","1") = "9"
    & skf18("10","2","5","6","4","1","1") = "9"
    & skf18("10","2","5","6","4","2","1") = "9"
    & skf18("10","2","5","6","4","3","1") = "9"
    & skf18("10","2","5","6","4","4","1") = "9"
    & skf18("10","2","5","6","4","5","1") = "9"
    & skf18("10","2","5","6","4","6","1") = "9"
    & skf18("10","2","5","6","4","7","1") = "9"
    & skf18("10","2","5","6","4","8","1") = "9"
    & skf18("10","2","5","6","4","9","1") = "9"
    & skf18("10","2","5","6","4","10","1") = "9"
    & skf18("10","2","5","6","5","1","1") = "9"
    & skf18("10","2","5","6","5","2","1") = "9"
    & skf18("10","2","5","6","5","3","1") = "9"
    & skf18("10","2","5","6","5","4","1") = "9"
    & skf18("10","2","5","6","5","5","1") = "9"
    & skf18("10","2","5","6","5","6","1") = "9"
    & skf18("10","2","5","6","5","7","1") = "9"
    & skf18("10","2","5","6","5","8","1") = "9"
    & skf18("10","2","5","6","5","9","1") = "9"
    & skf18("10","2","5","6","5","10","1") = "9"
    & skf18("10","2","5","6","6","1","1") = "9"
    & skf18("10","2","5","6","6","2","1") = "9"
    & skf18("10","2","5","6","6","3","1") = "9"
    & skf18("10","2","5","6","6","4","1") = "9"
    & skf18("10","2","5","6","6","5","1") = "9"
    & skf18("10","2","5","6","6","6","1") = "9"
    & skf18("10","2","5","6","6","7","1") = "9"
    & skf18("10","2","5","6","6","8","1") = "9"
    & skf18("10","2","5","6","6","9","1") = "9"
    & skf18("10","2","5","6","6","10","1") = "9"
    & skf18("10","2","5","6","7","1","1") = "9"
    & skf18("10","2","5","6","7","2","1") = "9"
    & skf18("10","2","5","6","7","3","1") = "9"
    & skf18("10","2","5","6","7","4","1") = "9"
    & skf18("10","2","5","6","7","5","1") = "9"
    & skf18("10","2","5","6","7","6","1") = "9"
    & skf18("10","2","5","6","7","7","1") = "9"
    & skf18("10","2","5","6","7","8","1") = "9"
    & skf18("10","2","5","6","7","9","1") = "9"
    & skf18("10","2","5","6","7","10","1") = "9"
    & skf18("10","2","5","6","8","1","1") = "9"
    & skf18("10","2","5","6","8","2","1") = "9"
    & skf18("10","2","5","6","8","3","1") = "9"
    & skf18("10","2","5","6","8","4","1") = "9"
    & skf18("10","2","5","6","8","5","1") = "9"
    & skf18("10","2","5","6","8","6","1") = "9"
    & skf18("10","2","5","6","8","7","1") = "9"
    & skf18("10","2","5","6","8","8","1") = "9"
    & skf18("10","2","5","6","8","9","1") = "9"
    & skf18("10","2","5","6","8","10","1") = "9"
    & skf18("10","2","5","6","9","1","1") = "9"
    & skf18("10","2","5","6","9","2","1") = "9"
    & skf18("10","2","5","6","9","3","1") = "9"
    & skf18("10","2","5","6","9","4","1") = "9"
    & skf18("10","2","5","6","9","5","1") = "9"
    & skf18("10","2","5","6","9","6","1") = "9"
    & skf18("10","2","5","6","9","7","1") = "9"
    & skf18("10","2","5","6","9","8","1") = "9"
    & skf18("10","2","5","6","9","9","1") = "9"
    & skf18("10","2","5","6","9","10","1") = "9"
    & skf18("10","2","5","6","10","1","1") = "9"
    & skf18("10","2","5","6","10","2","1") = "9"
    & skf18("10","2","5","6","10","3","1") = "9"
    & skf18("10","2","5","6","10","4","1") = "9"
    & skf18("10","2","5","6","10","5","1") = "9"
    & skf18("10","2","5","6","10","6","1") = "9"
    & skf18("10","2","5","6","10","7","1") = "9"
    & skf18("10","2","5","6","10","8","1") = "9"
    & skf18("10","2","5","6","10","9","1") = "9"
    & skf18("10","2","5","6","10","10","1") = "9"
    & skf18("10","2","5","7","1","1","1") = "9"
    & skf18("10","2","5","7","1","2","1") = "9"
    & skf18("10","2","5","7","1","3","1") = "9"
    & skf18("10","2","5","7","1","4","1") = "9"
    & skf18("10","2","5","7","1","5","1") = "9"
    & skf18("10","2","5","7","1","6","1") = "9"
    & skf18("10","2","5","7","1","7","1") = "9"
    & skf18("10","2","5","7","1","8","1") = "9"
    & skf18("10","2","5","7","1","9","1") = "9"
    & skf18("10","2","5","7","1","10","1") = "9"
    & skf18("10","2","5","7","2","1","1") = "9"
    & skf18("10","2","5","7","2","2","1") = "9"
    & skf18("10","2","5","7","2","3","1") = "9"
    & skf18("10","2","5","7","2","4","1") = "9"
    & skf18("10","2","5","7","2","5","1") = "9"
    & skf18("10","2","5","7","2","6","1") = "9"
    & skf18("10","2","5","7","2","7","1") = "9"
    & skf18("10","2","5","7","2","8","1") = "9"
    & skf18("10","2","5","7","2","9","1") = "9"
    & skf18("10","2","5","7","2","10","1") = "9"
    & skf18("10","2","5","7","3","1","1") = "9"
    & skf18("10","2","5","7","3","2","1") = "9"
    & skf18("10","2","5","7","3","3","1") = "9"
    & skf18("10","2","5","7","3","4","1") = "9"
    & skf18("10","2","5","7","3","5","1") = "9"
    & skf18("10","2","5","7","3","6","1") = "9"
    & skf18("10","2","5","7","3","7","1") = "9"
    & skf18("10","2","5","7","3","8","1") = "9"
    & skf18("10","2","5","7","3","9","1") = "9"
    & skf18("10","2","5","7","3","10","1") = "9"
    & skf18("10","2","5","7","4","1","1") = "9"
    & skf18("10","2","5","7","4","2","1") = "9"
    & skf18("10","2","5","7","4","3","1") = "9"
    & skf18("10","2","5","7","4","4","1") = "9"
    & skf18("10","2","5","7","4","5","1") = "9"
    & skf18("10","2","5","7","4","6","1") = "9"
    & skf18("10","2","5","7","4","7","1") = "9"
    & skf18("10","2","5","7","4","8","1") = "9"
    & skf18("10","2","5","7","4","9","1") = "9"
    & skf18("10","2","5","7","4","10","1") = "9"
    & skf18("10","2","5","7","5","1","1") = "9"
    & skf18("10","2","5","7","5","2","1") = "9"
    & skf18("10","2","5","7","5","3","1") = "9"
    & skf18("10","2","5","7","5","4","1") = "9"
    & skf18("10","2","5","7","5","5","1") = "9"
    & skf18("10","2","5","7","5","6","1") = "9"
    & skf18("10","2","5","7","5","7","1") = "9"
    & skf18("10","2","5","7","5","8","1") = "9"
    & skf18("10","2","5","7","5","9","1") = "9"
    & skf18("10","2","5","7","5","10","1") = "9"
    & skf18("10","2","5","7","6","1","1") = "9"
    & skf18("10","2","5","7","6","2","1") = "9"
    & skf18("10","2","5","7","6","3","1") = "9"
    & skf18("10","2","5","7","6","4","1") = "9"
    & skf18("10","2","5","7","6","5","1") = "9"
    & skf18("10","2","5","7","6","6","1") = "9"
    & skf18("10","2","5","7","6","7","1") = "9"
    & skf18("10","2","5","7","6","8","1") = "9"
    & skf18("10","2","5","7","6","9","1") = "9"
    & skf18("10","2","5","7","6","10","1") = "9"
    & skf18("10","2","5","7","7","1","1") = "9"
    & skf18("10","2","5","7","7","2","1") = "9"
    & skf18("10","2","5","7","7","3","1") = "9"
    & skf18("10","2","5","7","7","4","1") = "9"
    & skf18("10","2","5","7","7","5","1") = "9"
    & skf18("10","2","5","7","7","6","1") = "9"
    & skf18("10","2","5","7","7","7","1") = "9"
    & skf18("10","2","5","7","7","8","1") = "9"
    & skf18("10","2","5","7","7","9","1") = "9"
    & skf18("10","2","5","7","7","10","1") = "9"
    & skf18("10","2","5","7","8","1","1") = "9"
    & skf18("10","2","5","7","8","2","1") = "9"
    & skf18("10","2","5","7","8","3","1") = "9"
    & skf18("10","2","5","7","8","4","1") = "9"
    & skf18("10","2","5","7","8","5","1") = "9"
    & skf18("10","2","5","7","8","6","1") = "9"
    & skf18("10","2","5","7","8","7","1") = "9"
    & skf18("10","2","5","7","8","8","1") = "9"
    & skf18("10","2","5","7","8","9","1") = "9"
    & skf18("10","2","5","7","8","10","1") = "9"
    & skf18("10","2","5","7","9","1","1") = "9"
    & skf18("10","2","5","7","9","2","1") = "9"
    & skf18("10","2","5","7","9","3","1") = "9"
    & skf18("10","2","5","7","9","4","1") = "9"
    & skf18("10","2","5","7","9","5","1") = "9"
    & skf18("10","2","5","7","9","6","1") = "9"
    & skf18("10","2","5","7","9","7","1") = "9"
    & skf18("10","2","5","7","9","8","1") = "9"
    & skf18("10","2","5","7","9","9","1") = "9"
    & skf18("10","2","5","7","9","10","1") = "9"
    & skf18("10","2","5","7","10","1","1") = "9"
    & skf18("10","2","5","7","10","2","1") = "9"
    & skf18("10","2","5","7","10","3","1") = "9"
    & skf18("10","2","5","7","10","4","1") = "9"
    & skf18("10","2","5","7","10","5","1") = "9"
    & skf18("10","2","5","7","10","6","1") = "9"
    & skf18("10","2","5","7","10","7","1") = "9"
    & skf18("10","2","5","7","10","8","1") = "9"
    & skf18("10","2","5","7","10","9","1") = "9"
    & skf18("10","2","5","7","10","10","1") = "9"
    & skf18("10","2","5","8","1","1","1") = "9"
    & skf18("10","2","5","8","1","2","1") = "9"
    & skf18("10","2","5","8","1","3","1") = "9"
    & skf18("10","2","5","8","1","4","1") = "9"
    & skf18("10","2","5","8","1","5","1") = "9"
    & skf18("10","2","5","8","1","6","1") = "9"
    & skf18("10","2","5","8","1","7","1") = "9"
    & skf18("10","2","5","8","1","8","1") = "9"
    & skf18("10","2","5","8","1","9","1") = "9"
    & skf18("10","2","5","8","1","10","1") = "9"
    & skf18("10","2","5","8","2","1","1") = "9"
    & skf18("10","2","5","8","2","2","1") = "9"
    & skf18("10","2","5","8","2","3","1") = "9"
    & skf18("10","2","5","8","2","4","1") = "9"
    & skf18("10","2","5","8","2","5","1") = "9"
    & skf18("10","2","5","8","2","6","1") = "9"
    & skf18("10","2","5","8","2","7","1") = "9"
    & skf18("10","2","5","8","2","8","1") = "9"
    & skf18("10","2","5","8","2","9","1") = "9"
    & skf18("10","2","5","8","2","10","1") = "9"
    & skf18("10","2","5","8","3","1","1") = "9"
    & skf18("10","2","5","8","3","2","1") = "9"
    & skf18("10","2","5","8","3","3","1") = "9"
    & skf18("10","2","5","8","3","4","1") = "9"
    & skf18("10","2","5","8","3","5","1") = "9"
    & skf18("10","2","5","8","3","6","1") = "9"
    & skf18("10","2","5","8","3","7","1") = "9"
    & skf18("10","2","5","8","3","8","1") = "9"
    & skf18("10","2","5","8","3","9","1") = "9"
    & skf18("10","2","5","8","3","10","1") = "9"
    & skf18("10","2","5","8","4","1","1") = "9"
    & skf18("10","2","5","8","4","2","1") = "9"
    & skf18("10","2","5","8","4","3","1") = "9"
    & skf18("10","2","5","8","4","4","1") = "9"
    & skf18("10","2","5","8","4","5","1") = "9"
    & skf18("10","2","5","8","4","6","1") = "9"
    & skf18("10","2","5","8","4","7","1") = "9"
    & skf18("10","2","5","8","4","8","1") = "9"
    & skf18("10","2","5","8","4","9","1") = "9"
    & skf18("10","2","5","8","4","10","1") = "9"
    & skf18("10","2","5","8","5","1","1") = "9"
    & skf18("10","2","5","8","5","2","1") = "9"
    & skf18("10","2","5","8","5","3","1") = "9"
    & skf18("10","2","5","8","5","4","1") = "9"
    & skf18("10","2","5","8","5","5","1") = "9"
    & skf18("10","2","5","8","5","6","1") = "9"
    & skf18("10","2","5","8","5","7","1") = "9"
    & skf18("10","2","5","8","5","8","1") = "9"
    & skf18("10","2","5","8","5","9","1") = "9"
    & skf18("10","2","5","8","5","10","1") = "9"
    & skf18("10","2","5","8","6","1","1") = "9"
    & skf18("10","2","5","8","6","2","1") = "9"
    & skf18("10","2","5","8","6","3","1") = "9"
    & skf18("10","2","5","8","6","4","1") = "9"
    & skf18("10","2","5","8","6","5","1") = "9"
    & skf18("10","2","5","8","6","6","1") = "9"
    & skf18("10","2","5","8","6","7","1") = "9"
    & skf18("10","2","5","8","6","8","1") = "9"
    & skf18("10","2","5","8","6","9","1") = "9"
    & skf18("10","2","5","8","6","10","1") = "9"
    & skf18("10","2","5","8","7","1","1") = "9"
    & skf18("10","2","5","8","7","2","1") = "9"
    & skf18("10","2","5","8","7","3","1") = "9"
    & skf18("10","2","5","8","7","4","1") = "9"
    & skf18("10","2","5","8","7","5","1") = "9"
    & skf18("10","2","5","8","7","6","1") = "9"
    & skf18("10","2","5","8","7","7","1") = "9"
    & skf18("10","2","5","8","7","8","1") = "9"
    & skf18("10","2","5","8","7","9","1") = "9"
    & skf18("10","2","5","8","7","10","1") = "9"
    & skf18("10","2","5","8","8","1","1") = "9"
    & skf18("10","2","5","8","8","2","1") = "9"
    & skf18("10","2","5","8","8","3","1") = "9"
    & skf18("10","2","5","8","8","4","1") = "9"
    & skf18("10","2","5","8","8","5","1") = "9"
    & skf18("10","2","5","8","8","6","1") = "9"
    & skf18("10","2","5","8","8","7","1") = "9"
    & skf18("10","2","5","8","8","8","1") = "9"
    & skf18("10","2","5","8","8","9","1") = "9"
    & skf18("10","2","5","8","8","10","1") = "9"
    & skf18("10","2","5","8","9","1","1") = "9"
    & skf18("10","2","5","8","9","2","1") = "9"
    & skf18("10","2","5","8","9","3","1") = "9"
    & skf18("10","2","5","8","9","4","1") = "9"
    & skf18("10","2","5","8","9","5","1") = "9"
    & skf18("10","2","5","8","9","6","1") = "9"
    & skf18("10","2","5","8","9","7","1") = "9"
    & skf18("10","2","5","8","9","8","1") = "9"
    & skf18("10","2","5","8","9","9","1") = "9"
    & skf18("10","2","5","8","9","10","1") = "9"
    & skf18("10","2","5","8","10","1","1") = "9"
    & skf18("10","2","5","8","10","2","1") = "9"
    & skf18("10","2","5","8","10","3","1") = "9"
    & skf18("10","2","5","8","10","4","1") = "9"
    & skf18("10","2","5","8","10","5","1") = "9"
    & skf18("10","2","5","8","10","6","1") = "9"
    & skf18("10","2","5","8","10","7","1") = "9"
    & skf18("10","2","5","8","10","8","1") = "9"
    & skf18("10","2","5","8","10","9","1") = "9"
    & skf18("10","2","5","8","10","10","1") = "9"
    & skf18("10","2","5","9","1","1","1") = "9"
    & skf18("10","2","5","9","1","2","1") = "9"
    & skf18("10","2","5","9","1","3","1") = "9"
    & skf18("10","2","5","9","1","4","1") = "9"
    & skf18("10","2","5","9","1","5","1") = "9"
    & skf18("10","2","5","9","1","6","1") = "9"
    & skf18("10","2","5","9","1","7","1") = "9"
    & skf18("10","2","5","9","1","8","1") = "9"
    & skf18("10","2","5","9","1","9","1") = "9"
    & skf18("10","2","5","9","1","10","1") = "9"
    & skf18("10","2","5","9","2","1","1") = "9"
    & skf18("10","2","5","9","2","2","1") = "9"
    & skf18("10","2","5","9","2","3","1") = "9"
    & skf18("10","2","5","9","2","4","1") = "9"
    & skf18("10","2","5","9","2","5","1") = "9"
    & skf18("10","2","5","9","2","6","1") = "9"
    & skf18("10","2","5","9","2","7","1") = "9"
    & skf18("10","2","5","9","2","8","1") = "9"
    & skf18("10","2","5","9","2","9","1") = "9"
    & skf18("10","2","5","9","2","10","1") = "9"
    & skf18("10","2","5","9","3","1","1") = "9"
    & skf18("10","2","5","9","3","2","1") = "9"
    & skf18("10","2","5","9","3","3","1") = "9"
    & skf18("10","2","5","9","3","4","1") = "9"
    & skf18("10","2","5","9","3","5","1") = "9"
    & skf18("10","2","5","9","3","6","1") = "9"
    & skf18("10","2","5","9","3","7","1") = "9"
    & skf18("10","2","5","9","3","8","1") = "9"
    & skf18("10","2","5","9","3","9","1") = "9"
    & skf18("10","2","5","9","3","10","1") = "9"
    & skf18("10","2","5","9","4","1","1") = "9"
    & skf18("10","2","5","9","4","2","1") = "9"
    & skf18("10","2","5","9","4","3","1") = "9"
    & skf18("10","2","5","9","4","4","1") = "9"
    & skf18("10","2","5","9","4","5","1") = "9"
    & skf18("10","2","5","9","4","6","1") = "9"
    & skf18("10","2","5","9","4","7","1") = "9"
    & skf18("10","2","5","9","4","8","1") = "9"
    & skf18("10","2","5","9","4","9","1") = "9"
    & skf18("10","2","5","9","4","10","1") = "9"
    & skf18("10","2","5","9","5","1","1") = "9"
    & skf18("10","2","5","9","5","2","1") = "9"
    & skf18("10","2","5","9","5","3","1") = "9"
    & skf18("10","2","5","9","5","4","1") = "9"
    & skf18("10","2","5","9","5","5","1") = "9"
    & skf18("10","2","5","9","5","6","1") = "9"
    & skf18("10","2","5","9","5","7","1") = "9"
    & skf18("10","2","5","9","5","8","1") = "9"
    & skf18("10","2","5","9","5","9","1") = "9"
    & skf18("10","2","5","9","5","10","1") = "9"
    & skf18("10","2","5","9","6","1","1") = "9"
    & skf18("10","2","5","9","6","2","1") = "9"
    & skf18("10","2","5","9","6","3","1") = "9"
    & skf18("10","2","5","9","6","4","1") = "9"
    & skf18("10","2","5","9","6","5","1") = "9"
    & skf18("10","2","5","9","6","6","1") = "9"
    & skf18("10","2","5","9","6","7","1") = "9"
    & skf18("10","2","5","9","6","8","1") = "9"
    & skf18("10","2","5","9","6","9","1") = "9"
    & skf18("10","2","5","9","6","10","1") = "9"
    & skf18("10","2","5","9","7","1","1") = "9"
    & skf18("10","2","5","9","7","2","1") = "9"
    & skf18("10","2","5","9","7","3","1") = "9"
    & skf18("10","2","5","9","7","4","1") = "9"
    & skf18("10","2","5","9","7","5","1") = "9"
    & skf18("10","2","5","9","7","6","1") = "9"
    & skf18("10","2","5","9","7","7","1") = "9"
    & skf18("10","2","5","9","7","8","1") = "9"
    & skf18("10","2","5","9","7","9","1") = "9"
    & skf18("10","2","5","9","7","10","1") = "9"
    & skf18("10","2","5","9","8","1","1") = "9"
    & skf18("10","2","5","9","8","2","1") = "9"
    & skf18("10","2","5","9","8","3","1") = "9"
    & skf18("10","2","5","9","8","4","1") = "9"
    & skf18("10","2","5","9","8","5","1") = "9"
    & skf18("10","2","5","9","8","6","1") = "9"
    & skf18("10","2","5","9","8","7","1") = "9"
    & skf18("10","2","5","9","8","8","1") = "9"
    & skf18("10","2","5","9","8","9","1") = "9"
    & skf18("10","2","5","9","8","10","1") = "9"
    & skf18("10","2","5","9","9","1","1") = "9"
    & skf18("10","2","5","9","9","2","1") = "9"
    & skf18("10","2","5","9","9","3","1") = "9"
    & skf18("10","2","5","9","9","4","1") = "9"
    & skf18("10","2","5","9","9","5","1") = "9"
    & skf18("10","2","5","9","9","6","1") = "9"
    & skf18("10","2","5","9","9","7","1") = "9"
    & skf18("10","2","5","9","9","8","1") = "9"
    & skf18("10","2","5","9","9","9","1") = "9"
    & skf18("10","2","5","9","9","10","1") = "9"
    & skf18("10","2","5","9","10","1","1") = "9"
    & skf18("10","2","5","9","10","2","1") = "9"
    & skf18("10","2","5","9","10","3","1") = "9"
    & skf18("10","2","5","9","10","4","1") = "9"
    & skf18("10","2","5","9","10","5","1") = "9"
    & skf18("10","2","5","9","10","6","1") = "9"
    & skf18("10","2","5","9","10","7","1") = "9"
    & skf18("10","2","5","9","10","8","1") = "9"
    & skf18("10","2","5","9","10","9","1") = "9"
    & skf18("10","2","5","9","10","10","1") = "9"
    & skf18("10","2","5","10","1","1","1") = "9"
    & skf18("10","2","5","10","1","2","1") = "9"
    & skf18("10","2","5","10","1","3","1") = "9"
    & skf18("10","2","5","10","1","4","1") = "9"
    & skf18("10","2","5","10","1","5","1") = "9"
    & skf18("10","2","5","10","1","6","1") = "9"
    & skf18("10","2","5","10","1","7","1") = "9"
    & skf18("10","2","5","10","1","8","1") = "9"
    & skf18("10","2","5","10","1","9","1") = "9"
    & skf18("10","2","5","10","1","10","1") = "9"
    & skf18("10","2","5","10","2","1","1") = "9"
    & skf18("10","2","5","10","2","2","1") = "9"
    & skf18("10","2","5","10","2","3","1") = "9"
    & skf18("10","2","5","10","2","4","1") = "9"
    & skf18("10","2","5","10","2","5","1") = "9"
    & skf18("10","2","5","10","2","6","1") = "9"
    & skf18("10","2","5","10","2","7","1") = "9"
    & skf18("10","2","5","10","2","8","1") = "9"
    & skf18("10","2","5","10","2","9","1") = "9"
    & skf18("10","2","5","10","2","10","1") = "9"
    & skf18("10","2","5","10","3","1","1") = "9"
    & skf18("10","2","5","10","3","2","1") = "9"
    & skf18("10","2","5","10","3","3","1") = "9"
    & skf18("10","2","5","10","3","4","1") = "9"
    & skf18("10","2","5","10","3","5","1") = "9"
    & skf18("10","2","5","10","3","6","1") = "9"
    & skf18("10","2","5","10","3","7","1") = "9"
    & skf18("10","2","5","10","3","8","1") = "9"
    & skf18("10","2","5","10","3","9","1") = "9"
    & skf18("10","2","5","10","3","10","1") = "9"
    & skf18("10","2","5","10","4","1","1") = "9"
    & skf18("10","2","5","10","4","2","1") = "9"
    & skf18("10","2","5","10","4","3","1") = "9"
    & skf18("10","2","5","10","4","4","1") = "9"
    & skf18("10","2","5","10","4","5","1") = "9"
    & skf18("10","2","5","10","4","6","1") = "9"
    & skf18("10","2","5","10","4","7","1") = "9"
    & skf18("10","2","5","10","4","8","1") = "9"
    & skf18("10","2","5","10","4","9","1") = "9"
    & skf18("10","2","5","10","4","10","1") = "9"
    & skf18("10","2","5","10","5","1","1") = "9"
    & skf18("10","2","5","10","5","2","1") = "9"
    & skf18("10","2","5","10","5","3","1") = "9"
    & skf18("10","2","5","10","5","4","1") = "9"
    & skf18("10","2","5","10","5","5","1") = "9"
    & skf18("10","2","5","10","5","6","1") = "9"
    & skf18("10","2","5","10","5","7","1") = "9"
    & skf18("10","2","5","10","5","8","1") = "9"
    & skf18("10","2","5","10","5","9","1") = "9"
    & skf18("10","2","5","10","5","10","1") = "9"
    & skf18("10","2","5","10","6","1","1") = "9"
    & skf18("10","2","5","10","6","2","1") = "9"
    & skf18("10","2","5","10","6","3","1") = "9"
    & skf18("10","2","5","10","6","4","1") = "9"
    & skf18("10","2","5","10","6","5","1") = "9"
    & skf18("10","2","5","10","6","6","1") = "9"
    & skf18("10","2","5","10","6","7","1") = "9"
    & skf18("10","2","5","10","6","8","1") = "9"
    & skf18("10","2","5","10","6","9","1") = "9"
    & skf18("10","2","5","10","6","10","1") = "9"
    & skf18("10","2","5","10","7","1","1") = "9"
    & skf18("10","2","5","10","7","2","1") = "9"
    & skf18("10","2","5","10","7","3","1") = "9"
    & skf18("10","2","5","10","7","4","1") = "9"
    & skf18("10","2","5","10","7","5","1") = "9"
    & skf18("10","2","5","10","7","6","1") = "9"
    & skf18("10","2","5","10","7","7","1") = "9"
    & skf18("10","2","5","10","7","8","1") = "9"
    & skf18("10","2","5","10","7","9","1") = "9"
    & skf18("10","2","5","10","7","10","1") = "9"
    & skf18("10","2","5","10","8","1","1") = "9"
    & skf18("10","2","5","10","8","2","1") = "9"
    & skf18("10","2","5","10","8","3","1") = "9"
    & skf18("10","2","5","10","8","4","1") = "9"
    & skf18("10","2","5","10","8","5","1") = "9"
    & skf18("10","2","5","10","8","6","1") = "9"
    & skf18("10","2","5","10","8","7","1") = "9"
    & skf18("10","2","5","10","8","8","1") = "9"
    & skf18("10","2","5","10","8","9","1") = "9"
    & skf18("10","2","5","10","8","10","1") = "9"
    & skf18("10","2","5","10","9","1","1") = "9"
    & skf18("10","2","5","10","9","2","1") = "9"
    & skf18("10","2","5","10","9","3","1") = "9"
    & skf18("10","2","5","10","9","4","1") = "9"
    & skf18("10","2","5","10","9","5","1") = "9"
    & skf18("10","2","5","10","9","6","1") = "9"
    & skf18("10","2","5","10","9","7","1") = "9"
    & skf18("10","2","5","10","9","8","1") = "9"
    & skf18("10","2","5","10","9","9","1") = "9"
    & skf18("10","2","5","10","9","10","1") = "9"
    & skf18("10","2","5","10","10","1","1") = "9"
    & skf18("10","2","5","10","10","2","1") = "9"
    & skf18("10","2","5","10","10","3","1") = "9"
    & skf18("10","2","5","10","10","4","1") = "9"
    & skf18("10","2","5","10","10","5","1") = "9"
    & skf18("10","2","5","10","10","6","1") = "9"
    & skf18("10","2","5","10","10","7","1") = "9"
    & skf18("10","2","5","10","10","8","1") = "9"
    & skf18("10","2","5","10","10","9","1") = "9"
    & skf18("10","2","5","10","10","10","1") = "9"
    & skf18("10","2","6","1","1","1","1") = "9"
    & skf18("10","2","6","1","1","2","1") = "9"
    & skf18("10","2","6","1","1","3","1") = "9"
    & skf18("10","2","6","1","1","4","1") = "9"
    & skf18("10","2","6","1","1","5","1") = "9"
    & skf18("10","2","6","1","1","6","1") = "9"
    & skf18("10","2","6","1","1","7","1") = "9"
    & skf18("10","2","6","1","1","8","1") = "9"
    & skf18("10","2","6","1","1","9","1") = "9"
    & skf18("10","2","6","1","1","10","1") = "9"
    & skf18("10","2","6","1","2","1","1") = "9"
    & skf18("10","2","6","1","2","2","1") = "9"
    & skf18("10","2","6","1","2","3","1") = "9"
    & skf18("10","2","6","1","2","4","1") = "9"
    & skf18("10","2","6","1","2","5","1") = "9"
    & skf18("10","2","6","1","2","6","1") = "9"
    & skf18("10","2","6","1","2","7","1") = "9"
    & skf18("10","2","6","1","2","8","1") = "9"
    & skf18("10","2","6","1","2","9","1") = "9"
    & skf18("10","2","6","1","2","10","1") = "9"
    & skf18("10","2","6","1","3","1","1") = "9"
    & skf18("10","2","6","1","3","2","1") = "9"
    & skf18("10","2","6","1","3","3","1") = "9"
    & skf18("10","2","6","1","3","4","1") = "9"
    & skf18("10","2","6","1","3","5","1") = "9"
    & skf18("10","2","6","1","3","6","1") = "9"
    & skf18("10","2","6","1","3","7","1") = "9"
    & skf18("10","2","6","1","3","8","1") = "9"
    & skf18("10","2","6","1","3","9","1") = "9"
    & skf18("10","2","6","1","3","10","1") = "9"
    & skf18("10","2","6","1","4","1","1") = "9"
    & skf18("10","2","6","1","4","2","1") = "9"
    & skf18("10","2","6","1","4","3","1") = "9"
    & skf18("10","2","6","1","4","4","1") = "9"
    & skf18("10","2","6","1","4","5","1") = "9"
    & skf18("10","2","6","1","4","6","1") = "9"
    & skf18("10","2","6","1","4","7","1") = "9"
    & skf18("10","2","6","1","4","8","1") = "9"
    & skf18("10","2","6","1","4","9","1") = "9"
    & skf18("10","2","6","1","4","10","1") = "9"
    & skf18("10","2","6","1","5","1","1") = "9"
    & skf18("10","2","6","1","5","2","1") = "9"
    & skf18("10","2","6","1","5","3","1") = "9"
    & skf18("10","2","6","1","5","4","1") = "9"
    & skf18("10","2","6","1","5","5","1") = "9"
    & skf18("10","2","6","1","5","6","1") = "9"
    & skf18("10","2","6","1","5","7","1") = "9"
    & skf18("10","2","6","1","5","8","1") = "9"
    & skf18("10","2","6","1","5","9","1") = "9"
    & skf18("10","2","6","1","5","10","1") = "9"
    & skf18("10","2","6","1","6","1","1") = "9"
    & skf18("10","2","6","1","6","2","1") = "9"
    & skf18("10","2","6","1","6","3","1") = "9"
    & skf18("10","2","6","1","6","4","1") = "9"
    & skf18("10","2","6","1","6","5","1") = "9"
    & skf18("10","2","6","1","6","6","1") = "9"
    & skf18("10","2","6","1","6","7","1") = "9"
    & skf18("10","2","6","1","6","8","1") = "9"
    & skf18("10","2","6","1","6","9","1") = "9"
    & skf18("10","2","6","1","6","10","1") = "9"
    & skf18("10","2","6","1","7","1","1") = "9"
    & skf18("10","2","6","1","7","2","1") = "9"
    & skf18("10","2","6","1","7","3","1") = "9"
    & skf18("10","2","6","1","7","4","1") = "9"
    & skf18("10","2","6","1","7","5","1") = "9"
    & skf18("10","2","6","1","7","6","1") = "9"
    & skf18("10","2","6","1","7","7","1") = "9"
    & skf18("10","2","6","1","7","8","1") = "9"
    & skf18("10","2","6","1","7","9","1") = "9"
    & skf18("10","2","6","1","7","10","1") = "9"
    & skf18("10","2","6","1","8","1","1") = "9"
    & skf18("10","2","6","1","8","2","1") = "9"
    & skf18("10","2","6","1","8","3","1") = "9"
    & skf18("10","2","6","1","8","4","1") = "9"
    & skf18("10","2","6","1","8","5","1") = "9"
    & skf18("10","2","6","1","8","6","1") = "9"
    & skf18("10","2","6","1","8","7","1") = "9"
    & skf18("10","2","6","1","8","8","1") = "9"
    & skf18("10","2","6","1","8","9","1") = "9"
    & skf18("10","2","6","1","8","10","1") = "9"
    & skf18("10","2","6","1","9","1","1") = "9"
    & skf18("10","2","6","1","9","2","1") = "9"
    & skf18("10","2","6","1","9","3","1") = "9"
    & skf18("10","2","6","1","9","4","1") = "9"
    & skf18("10","2","6","1","9","5","1") = "9"
    & skf18("10","2","6","1","9","6","1") = "9"
    & skf18("10","2","6","1","9","7","1") = "9"
    & skf18("10","2","6","1","9","8","1") = "9"
    & skf18("10","2","6","1","9","9","1") = "9"
    & skf18("10","2","6","1","9","10","1") = "9"
    & skf18("10","2","6","1","10","1","1") = "9"
    & skf18("10","2","6","1","10","2","1") = "9"
    & skf18("10","2","6","1","10","3","1") = "9"
    & skf18("10","2","6","1","10","4","1") = "9"
    & skf18("10","2","6","1","10","5","1") = "9"
    & skf18("10","2","6","1","10","6","1") = "9"
    & skf18("10","2","6","1","10","7","1") = "9"
    & skf18("10","2","6","1","10","8","1") = "9"
    & skf18("10","2","6","1","10","9","1") = "9"
    & skf18("10","2","6","1","10","10","1") = "9"
    & skf18("10","2","6","2","1","1","1") = "9"
    & skf18("10","2","6","2","1","2","1") = "9"
    & skf18("10","2","6","2","1","3","1") = "9"
    & skf18("10","2","6","2","1","4","1") = "9"
    & skf18("10","2","6","2","1","5","1") = "9"
    & skf18("10","2","6","2","1","6","1") = "9"
    & skf18("10","2","6","2","1","7","1") = "9"
    & skf18("10","2","6","2","1","8","1") = "9"
    & skf18("10","2","6","2","1","9","1") = "9"
    & skf18("10","2","6","2","1","10","1") = "9"
    & skf18("10","2","6","2","2","1","1") = "9"
    & skf18("10","2","6","2","2","2","1") = "9"
    & skf18("10","2","6","2","2","3","1") = "9"
    & skf18("10","2","6","2","2","4","1") = "9"
    & skf18("10","2","6","2","2","5","1") = "9"
    & skf18("10","2","6","2","2","6","1") = "9"
    & skf18("10","2","6","2","2","7","1") = "9"
    & skf18("10","2","6","2","2","8","1") = "9"
    & skf18("10","2","6","2","2","9","1") = "9"
    & skf18("10","2","6","2","2","10","1") = "9"
    & skf18("10","2","6","2","3","1","1") = "9"
    & skf18("10","2","6","2","3","2","1") = "9"
    & skf18("10","2","6","2","3","3","1") = "9"
    & skf18("10","2","6","2","3","4","1") = "9"
    & skf18("10","2","6","2","3","5","1") = "9"
    & skf18("10","2","6","2","3","6","1") = "9"
    & skf18("10","2","6","2","3","7","1") = "9"
    & skf18("10","2","6","2","3","8","1") = "9"
    & skf18("10","2","6","2","3","9","1") = "9"
    & skf18("10","2","6","2","3","10","1") = "9"
    & skf18("10","2","6","2","4","1","1") = "9"
    & skf18("10","2","6","2","4","2","1") = "9"
    & skf18("10","2","6","2","4","3","1") = "9"
    & skf18("10","2","6","2","4","4","1") = "9"
    & skf18("10","2","6","2","4","5","1") = "9"
    & skf18("10","2","6","2","4","6","1") = "9"
    & skf18("10","2","6","2","4","7","1") = "9"
    & skf18("10","2","6","2","4","8","1") = "9"
    & skf18("10","2","6","2","4","9","1") = "9"
    & skf18("10","2","6","2","4","10","1") = "9"
    & skf18("10","2","6","2","5","1","1") = "9"
    & skf18("10","2","6","2","5","2","1") = "9"
    & skf18("10","2","6","2","5","3","1") = "9"
    & skf18("10","2","6","2","5","4","1") = "9"
    & skf18("10","2","6","2","5","5","1") = "9"
    & skf18("10","2","6","2","5","6","1") = "9"
    & skf18("10","2","6","2","5","7","1") = "9"
    & skf18("10","2","6","2","5","8","1") = "9"
    & skf18("10","2","6","2","5","9","1") = "9"
    & skf18("10","2","6","2","5","10","1") = "9"
    & skf18("10","2","6","2","6","1","1") = "9"
    & skf18("10","2","6","2","6","2","1") = "9"
    & skf18("10","2","6","2","6","3","1") = "9"
    & skf18("10","2","6","2","6","4","1") = "9"
    & skf18("10","2","6","2","6","5","1") = "9"
    & skf18("10","2","6","2","6","6","1") = "9"
    & skf18("10","2","6","2","6","7","1") = "9"
    & skf18("10","2","6","2","6","8","1") = "9"
    & skf18("10","2","6","2","6","9","1") = "9"
    & skf18("10","2","6","2","6","10","1") = "9"
    & skf18("10","2","6","2","7","1","1") = "9"
    & skf18("10","2","6","2","7","2","1") = "9"
    & skf18("10","2","6","2","7","3","1") = "9"
    & skf18("10","2","6","2","7","4","1") = "9"
    & skf18("10","2","6","2","7","5","1") = "9"
    & skf18("10","2","6","2","7","6","1") = "9"
    & skf18("10","2","6","2","7","7","1") = "9"
    & skf18("10","2","6","2","7","8","1") = "9"
    & skf18("10","2","6","2","7","9","1") = "9"
    & skf18("10","2","6","2","7","10","1") = "9"
    & skf18("10","2","6","2","8","1","1") = "9"
    & skf18("10","2","6","2","8","2","1") = "9"
    & skf18("10","2","6","2","8","3","1") = "9"
    & skf18("10","2","6","2","8","4","1") = "9"
    & skf18("10","2","6","2","8","5","1") = "9"
    & skf18("10","2","6","2","8","6","1") = "9"
    & skf18("10","2","6","2","8","7","1") = "9"
    & skf18("10","2","6","2","8","8","1") = "9"
    & skf18("10","2","6","2","8","9","1") = "9"
    & skf18("10","2","6","2","8","10","1") = "9"
    & skf18("10","2","6","2","9","1","1") = "9"
    & skf18("10","2","6","2","9","2","1") = "9"
    & skf18("10","2","6","2","9","3","1") = "9"
    & skf18("10","2","6","2","9","4","1") = "9"
    & skf18("10","2","6","2","9","5","1") = "9"
    & skf18("10","2","6","2","9","6","1") = "9"
    & skf18("10","2","6","2","9","7","1") = "9"
    & skf18("10","2","6","2","9","8","1") = "9"
    & skf18("10","2","6","2","9","9","1") = "9"
    & skf18("10","2","6","2","9","10","1") = "9"
    & skf18("10","2","6","2","10","1","1") = "9"
    & skf18("10","2","6","2","10","2","1") = "9"
    & skf18("10","2","6","2","10","3","1") = "9"
    & skf18("10","2","6","2","10","4","1") = "9"
    & skf18("10","2","6","2","10","5","1") = "9"
    & skf18("10","2","6","2","10","6","1") = "9"
    & skf18("10","2","6","2","10","7","1") = "9"
    & skf18("10","2","6","2","10","8","1") = "9"
    & skf18("10","2","6","2","10","9","1") = "9"
    & skf18("10","2","6","2","10","10","1") = "9"
    & skf18("10","2","6","3","1","1","1") = "9"
    & skf18("10","2","6","3","1","2","1") = "9"
    & skf18("10","2","6","3","1","3","1") = "9"
    & skf18("10","2","6","3","1","4","1") = "9"
    & skf18("10","2","6","3","1","5","1") = "9"
    & skf18("10","2","6","3","1","6","1") = "9"
    & skf18("10","2","6","3","1","7","1") = "9"
    & skf18("10","2","6","3","1","8","1") = "9"
    & skf18("10","2","6","3","1","9","1") = "9"
    & skf18("10","2","6","3","1","10","1") = "9"
    & skf18("10","2","6","3","2","1","1") = "9"
    & skf18("10","2","6","3","2","2","1") = "9"
    & skf18("10","2","6","3","2","3","1") = "9"
    & skf18("10","2","6","3","2","4","1") = "9"
    & skf18("10","2","6","3","2","5","1") = "9"
    & skf18("10","2","6","3","2","6","1") = "9"
    & skf18("10","2","6","3","2","7","1") = "9"
    & skf18("10","2","6","3","2","8","1") = "9"
    & skf18("10","2","6","3","2","9","1") = "9"
    & skf18("10","2","6","3","2","10","1") = "9"
    & skf18("10","2","6","3","3","1","1") = "9"
    & skf18("10","2","6","3","3","2","1") = "9"
    & skf18("10","2","6","3","3","3","1") = "9"
    & skf18("10","2","6","3","3","4","1") = "9"
    & skf18("10","2","6","3","3","5","1") = "9"
    & skf18("10","2","6","3","3","6","1") = "9"
    & skf18("10","2","6","3","3","7","1") = "9"
    & skf18("10","2","6","3","3","8","1") = "9"
    & skf18("10","2","6","3","3","9","1") = "9"
    & skf18("10","2","6","3","3","10","1") = "9"
    & skf18("10","2","6","3","4","1","1") = "9"
    & skf18("10","2","6","3","4","2","1") = "9"
    & skf18("10","2","6","3","4","3","1") = "9"
    & skf18("10","2","6","3","4","4","1") = "9"
    & skf18("10","2","6","3","4","5","1") = "9"
    & skf18("10","2","6","3","4","6","1") = "9"
    & skf18("10","2","6","3","4","7","1") = "9"
    & skf18("10","2","6","3","4","8","1") = "9"
    & skf18("10","2","6","3","4","9","1") = "9"
    & skf18("10","2","6","3","4","10","1") = "9"
    & skf18("10","2","6","3","5","1","1") = "9"
    & skf18("10","2","6","3","5","2","1") = "9"
    & skf18("10","2","6","3","5","3","1") = "9"
    & skf18("10","2","6","3","5","4","1") = "9"
    & skf18("10","2","6","3","5","5","1") = "9"
    & skf18("10","2","6","3","5","6","1") = "9"
    & skf18("10","2","6","3","5","7","1") = "9"
    & skf18("10","2","6","3","5","8","1") = "9"
    & skf18("10","2","6","3","5","9","1") = "9"
    & skf18("10","2","6","3","5","10","1") = "9"
    & skf18("10","2","6","3","6","1","1") = "9"
    & skf18("10","2","6","3","6","2","1") = "9"
    & skf18("10","2","6","3","6","3","1") = "9"
    & skf18("10","2","6","3","6","4","1") = "9"
    & skf18("10","2","6","3","6","5","1") = "9"
    & skf18("10","2","6","3","6","6","1") = "9"
    & skf18("10","2","6","3","6","7","1") = "9"
    & skf18("10","2","6","3","6","8","1") = "9"
    & skf18("10","2","6","3","6","9","1") = "9"
    & skf18("10","2","6","3","6","10","1") = "9"
    & skf18("10","2","6","3","7","1","1") = "9"
    & skf18("10","2","6","3","7","2","1") = "9"
    & skf18("10","2","6","3","7","3","1") = "9"
    & skf18("10","2","6","3","7","4","1") = "9"
    & skf18("10","2","6","3","7","5","1") = "9"
    & skf18("10","2","6","3","7","6","1") = "9"
    & skf18("10","2","6","3","7","7","1") = "9"
    & skf18("10","2","6","3","7","8","1") = "9"
    & skf18("10","2","6","3","7","9","1") = "9"
    & skf18("10","2","6","3","7","10","1") = "9"
    & skf18("10","2","6","3","8","1","1") = "9"
    & skf18("10","2","6","3","8","2","1") = "9"
    & skf18("10","2","6","3","8","3","1") = "9"
    & skf18("10","2","6","3","8","4","1") = "9"
    & skf18("10","2","6","3","8","5","1") = "9"
    & skf18("10","2","6","3","8","6","1") = "9"
    & skf18("10","2","6","3","8","7","1") = "9"
    & skf18("10","2","6","3","8","8","1") = "9"
    & skf18("10","2","6","3","8","9","1") = "9"
    & skf18("10","2","6","3","8","10","1") = "9"
    & skf18("10","2","6","3","9","1","1") = "9"
    & skf18("10","2","6","3","9","2","1") = "9"
    & skf18("10","2","6","3","9","3","1") = "9"
    & skf18("10","2","6","3","9","4","1") = "9"
    & skf18("10","2","6","3","9","5","1") = "9"
    & skf18("10","2","6","3","9","6","1") = "9"
    & skf18("10","2","6","3","9","7","1") = "9"
    & skf18("10","2","6","3","9","8","1") = "9"
    & skf18("10","2","6","3","9","9","1") = "9"
    & skf18("10","2","6","3","9","10","1") = "9"
    & skf18("10","2","6","3","10","1","1") = "9"
    & skf18("10","2","6","3","10","2","1") = "9"
    & skf18("10","2","6","3","10","3","1") = "9"
    & skf18("10","2","6","3","10","4","1") = "9"
    & skf18("10","2","6","3","10","5","1") = "9"
    & skf18("10","2","6","3","10","6","1") = "9"
    & skf18("10","2","6","3","10","7","1") = "9"
    & skf18("10","2","6","3","10","8","1") = "9"
    & skf18("10","2","6","3","10","9","1") = "9"
    & skf18("10","2","6","3","10","10","1") = "9"
    & skf18("10","2","6","4","1","1","1") = "9"
    & skf18("10","2","6","4","1","2","1") = "9"
    & skf18("10","2","6","4","1","3","1") = "9"
    & skf18("10","2","6","4","1","4","1") = "9"
    & skf18("10","2","6","4","1","5","1") = "9"
    & skf18("10","2","6","4","1","6","1") = "9"
    & skf18("10","2","6","4","1","7","1") = "9"
    & skf18("10","2","6","4","1","8","1") = "9"
    & skf18("10","2","6","4","1","9","1") = "9"
    & skf18("10","2","6","4","1","10","1") = "9"
    & skf18("10","2","6","4","2","1","1") = "9"
    & skf18("10","2","6","4","2","2","1") = "9"
    & skf18("10","2","6","4","2","3","1") = "9"
    & skf18("10","2","6","4","2","4","1") = "9"
    & skf18("10","2","6","4","2","5","1") = "9"
    & skf18("10","2","6","4","2","6","1") = "9"
    & skf18("10","2","6","4","2","7","1") = "9"
    & skf18("10","2","6","4","2","8","1") = "9"
    & skf18("10","2","6","4","2","9","1") = "9"
    & skf18("10","2","6","4","2","10","1") = "9"
    & skf18("10","2","6","4","3","1","1") = "9"
    & skf18("10","2","6","4","3","2","1") = "9"
    & skf18("10","2","6","4","3","3","1") = "9"
    & skf18("10","2","6","4","3","4","1") = "9"
    & skf18("10","2","6","4","3","5","1") = "9"
    & skf18("10","2","6","4","3","6","1") = "9"
    & skf18("10","2","6","4","3","7","1") = "9"
    & skf18("10","2","6","4","3","8","1") = "9"
    & skf18("10","2","6","4","3","9","1") = "9"
    & skf18("10","2","6","4","3","10","1") = "9"
    & skf18("10","2","6","4","4","1","1") = "9"
    & skf18("10","2","6","4","4","2","1") = "9"
    & skf18("10","2","6","4","4","3","1") = "9"
    & skf18("10","2","6","4","4","4","1") = "9"
    & skf18("10","2","6","4","4","5","1") = "9"
    & skf18("10","2","6","4","4","6","1") = "9"
    & skf18("10","2","6","4","4","7","1") = "9"
    & skf18("10","2","6","4","4","8","1") = "9"
    & skf18("10","2","6","4","4","9","1") = "9"
    & skf18("10","2","6","4","4","10","1") = "9"
    & skf18("10","2","6","4","5","1","1") = "9"
    & skf18("10","2","6","4","5","2","1") = "9"
    & skf18("10","2","6","4","5","3","1") = "9"
    & skf18("10","2","6","4","5","4","1") = "9"
    & skf18("10","2","6","4","5","5","1") = "9"
    & skf18("10","2","6","4","5","6","1") = "9"
    & skf18("10","2","6","4","5","7","1") = "9"
    & skf18("10","2","6","4","5","8","1") = "9"
    & skf18("10","2","6","4","5","9","1") = "9"
    & skf18("10","2","6","4","5","10","1") = "9"
    & skf18("10","2","6","4","6","1","1") = "9"
    & skf18("10","2","6","4","6","2","1") = "9"
    & skf18("10","2","6","4","6","3","1") = "9"
    & skf18("10","2","6","4","6","4","1") = "9"
    & skf18("10","2","6","4","6","5","1") = "9"
    & skf18("10","2","6","4","6","6","1") = "9"
    & skf18("10","2","6","4","6","7","1") = "9"
    & skf18("10","2","6","4","6","8","1") = "9"
    & skf18("10","2","6","4","6","9","1") = "9"
    & skf18("10","2","6","4","6","10","1") = "9"
    & skf18("10","2","6","4","7","1","1") = "9"
    & skf18("10","2","6","4","7","2","1") = "9"
    & skf18("10","2","6","4","7","3","1") = "9"
    & skf18("10","2","6","4","7","4","1") = "9"
    & skf18("10","2","6","4","7","5","1") = "9"
    & skf18("10","2","6","4","7","6","1") = "9"
    & skf18("10","2","6","4","7","7","1") = "9"
    & skf18("10","2","6","4","7","8","1") = "9"
    & skf18("10","2","6","4","7","9","1") = "9"
    & skf18("10","2","6","4","7","10","1") = "9"
    & skf18("10","2","6","4","8","1","1") = "9"
    & skf18("10","2","6","4","8","2","1") = "9"
    & skf18("10","2","6","4","8","3","1") = "9"
    & skf18("10","2","6","4","8","4","1") = "9"
    & skf18("10","2","6","4","8","5","1") = "9"
    & skf18("10","2","6","4","8","6","1") = "9"
    & skf18("10","2","6","4","8","7","1") = "9"
    & skf18("10","2","6","4","8","8","1") = "9"
    & skf18("10","2","6","4","8","9","1") = "9"
    & skf18("10","2","6","4","8","10","1") = "9"
    & skf18("10","2","6","4","9","1","1") = "9"
    & skf18("10","2","6","4","9","2","1") = "9"
    & skf18("10","2","6","4","9","3","1") = "9"
    & skf18("10","2","6","4","9","4","1") = "9"
    & skf18("10","2","6","4","9","5","1") = "9"
    & skf18("10","2","6","4","9","6","1") = "9"
    & skf18("10","2","6","4","9","7","1") = "9"
    & skf18("10","2","6","4","9","8","1") = "9"
    & skf18("10","2","6","4","9","9","1") = "9"
    & skf18("10","2","6","4","9","10","1") = "9"
    & skf18("10","2","6","4","10","1","1") = "9"
    & skf18("10","2","6","4","10","2","1") = "9"
    & skf18("10","2","6","4","10","3","1") = "9"
    & skf18("10","2","6","4","10","4","1") = "9"
    & skf18("10","2","6","4","10","5","1") = "9"
    & skf18("10","2","6","4","10","6","1") = "9"
    & skf18("10","2","6","4","10","7","1") = "9"
    & skf18("10","2","6","4","10","8","1") = "9"
    & skf18("10","2","6","4","10","9","1") = "9"
    & skf18("10","2","6","4","10","10","1") = "9"
    & skf18("10","2","6","5","1","1","1") = "9"
    & skf18("10","2","6","5","1","2","1") = "9"
    & skf18("10","2","6","5","1","3","1") = "9"
    & skf18("10","2","6","5","1","4","1") = "9"
    & skf18("10","2","6","5","1","5","1") = "9"
    & skf18("10","2","6","5","1","6","1") = "9"
    & skf18("10","2","6","5","1","7","1") = "9"
    & skf18("10","2","6","5","1","8","1") = "9"
    & skf18("10","2","6","5","1","9","1") = "9"
    & skf18("10","2","6","5","1","10","1") = "9"
    & skf18("10","2","6","5","2","1","1") = "9"
    & skf18("10","2","6","5","2","2","1") = "9"
    & skf18("10","2","6","5","2","3","1") = "9"
    & skf18("10","2","6","5","2","4","1") = "9"
    & skf18("10","2","6","5","2","5","1") = "9"
    & skf18("10","2","6","5","2","6","1") = "9"
    & skf18("10","2","6","5","2","7","1") = "9"
    & skf18("10","2","6","5","2","8","1") = "9"
    & skf18("10","2","6","5","2","9","1") = "9"
    & skf18("10","2","6","5","2","10","1") = "9"
    & skf18("10","2","6","5","3","1","1") = "9"
    & skf18("10","2","6","5","3","2","1") = "9"
    & skf18("10","2","6","5","3","3","1") = "9"
    & skf18("10","2","6","5","3","4","1") = "9"
    & skf18("10","2","6","5","3","5","1") = "9"
    & skf18("10","2","6","5","3","6","1") = "9"
    & skf18("10","2","6","5","3","7","1") = "9"
    & skf18("10","2","6","5","3","8","1") = "9"
    & skf18("10","2","6","5","3","9","1") = "9"
    & skf18("10","2","6","5","3","10","1") = "9"
    & skf18("10","2","6","5","4","1","1") = "9"
    & skf18("10","2","6","5","4","2","1") = "9"
    & skf18("10","2","6","5","4","3","1") = "9"
    & skf18("10","2","6","5","4","4","1") = "9"
    & skf18("10","2","6","5","4","5","1") = "9"
    & skf18("10","2","6","5","4","6","1") = "9"
    & skf18("10","2","6","5","4","7","1") = "9"
    & skf18("10","2","6","5","4","8","1") = "9"
    & skf18("10","2","6","5","4","9","1") = "9"
    & skf18("10","2","6","5","4","10","1") = "9"
    & skf18("10","2","6","5","5","1","1") = "9"
    & skf18("10","2","6","5","5","2","1") = "9"
    & skf18("10","2","6","5","5","3","1") = "9"
    & skf18("10","2","6","5","5","4","1") = "9"
    & skf18("10","2","6","5","5","5","1") = "9"
    & skf18("10","2","6","5","5","6","1") = "9"
    & skf18("10","2","6","5","5","7","1") = "9"
    & skf18("10","2","6","5","5","8","1") = "9"
    & skf18("10","2","6","5","5","9","1") = "9"
    & skf18("10","2","6","5","5","10","1") = "9"
    & skf18("10","2","6","5","6","1","1") = "9"
    & skf18("10","2","6","5","6","2","1") = "9"
    & skf18("10","2","6","5","6","3","1") = "9"
    & skf18("10","2","6","5","6","4","1") = "9"
    & skf18("10","2","6","5","6","5","1") = "9"
    & skf18("10","2","6","5","6","6","1") = "9"
    & skf18("10","2","6","5","6","7","1") = "9"
    & skf18("10","2","6","5","6","8","1") = "9"
    & skf18("10","2","6","5","6","9","1") = "9"
    & skf18("10","2","6","5","6","10","1") = "9"
    & skf18("10","2","6","5","7","1","1") = "9"
    & skf18("10","2","6","5","7","2","1") = "9"
    & skf18("10","2","6","5","7","3","1") = "9"
    & skf18("10","2","6","5","7","4","1") = "9"
    & skf18("10","2","6","5","7","5","1") = "9"
    & skf18("10","2","6","5","7","6","1") = "9"
    & skf18("10","2","6","5","7","7","1") = "9"
    & skf18("10","2","6","5","7","8","1") = "9"
    & skf18("10","2","6","5","7","9","1") = "9"
    & skf18("10","2","6","5","7","10","1") = "9"
    & skf18("10","2","6","5","8","1","1") = "9"
    & skf18("10","2","6","5","8","2","1") = "9"
    & skf18("10","2","6","5","8","3","1") = "9"
    & skf18("10","2","6","5","8","4","1") = "9"
    & skf18("10","2","6","5","8","5","1") = "9"
    & skf18("10","2","6","5","8","6","1") = "9"
    & skf18("10","2","6","5","8","7","1") = "9"
    & skf18("10","2","6","5","8","8","1") = "9"
    & skf18("10","2","6","5","8","9","1") = "9"
    & skf18("10","2","6","5","8","10","1") = "9"
    & skf18("10","2","6","5","9","1","1") = "9"
    & skf18("10","2","6","5","9","2","1") = "9"
    & skf18("10","2","6","5","9","3","1") = "9"
    & skf18("10","2","6","5","9","4","1") = "9"
    & skf18("10","2","6","5","9","5","1") = "9"
    & skf18("10","2","6","5","9","6","1") = "9"
    & skf18("10","2","6","5","9","7","1") = "9"
    & skf18("10","2","6","5","9","8","1") = "9"
    & skf18("10","2","6","5","9","9","1") = "9"
    & skf18("10","2","6","5","9","10","1") = "9"
    & skf18("10","2","6","5","10","1","1") = "9"
    & skf18("10","2","6","5","10","2","1") = "9"
    & skf18("10","2","6","5","10","3","1") = "9"
    & skf18("10","2","6","5","10","4","1") = "9"
    & skf18("10","2","6","5","10","5","1") = "9"
    & skf18("10","2","6","5","10","6","1") = "9"
    & skf18("10","2","6","5","10","7","1") = "9"
    & skf18("10","2","6","5","10","8","1") = "9"
    & skf18("10","2","6","5","10","9","1") = "9"
    & skf18("10","2","6","5","10","10","1") = "9"
    & skf18("10","2","6","6","1","1","1") = "9"
    & skf18("10","2","6","6","1","2","1") = "9"
    & skf18("10","2","6","6","1","3","1") = "9"
    & skf18("10","2","6","6","1","4","1") = "9"
    & skf18("10","2","6","6","1","5","1") = "9"
    & skf18("10","2","6","6","1","6","1") = "9"
    & skf18("10","2","6","6","1","7","1") = "9"
    & skf18("10","2","6","6","1","8","1") = "9"
    & skf18("10","2","6","6","1","9","1") = "9"
    & skf18("10","2","6","6","1","10","1") = "9"
    & skf18("10","2","6","6","2","1","1") = "9"
    & skf18("10","2","6","6","2","2","1") = "9"
    & skf18("10","2","6","6","2","3","1") = "9"
    & skf18("10","2","6","6","2","4","1") = "9"
    & skf18("10","2","6","6","2","5","1") = "9"
    & skf18("10","2","6","6","2","6","1") = "9"
    & skf18("10","2","6","6","2","7","1") = "9"
    & skf18("10","2","6","6","2","8","1") = "9"
    & skf18("10","2","6","6","2","9","1") = "9"
    & skf18("10","2","6","6","2","10","1") = "9"
    & skf18("10","2","6","6","3","1","1") = "9"
    & skf18("10","2","6","6","3","2","1") = "9"
    & skf18("10","2","6","6","3","3","1") = "9"
    & skf18("10","2","6","6","3","4","1") = "9"
    & skf18("10","2","6","6","3","5","1") = "9"
    & skf18("10","2","6","6","3","6","1") = "9"
    & skf18("10","2","6","6","3","7","1") = "9"
    & skf18("10","2","6","6","3","8","1") = "9"
    & skf18("10","2","6","6","3","9","1") = "9"
    & skf18("10","2","6","6","3","10","1") = "9"
    & skf18("10","2","6","6","4","1","1") = "9"
    & skf18("10","2","6","6","4","2","1") = "9"
    & skf18("10","2","6","6","4","3","1") = "9"
    & skf18("10","2","6","6","4","4","1") = "9"
    & skf18("10","2","6","6","4","5","1") = "9"
    & skf18("10","2","6","6","4","6","1") = "9"
    & skf18("10","2","6","6","4","7","1") = "9"
    & skf18("10","2","6","6","4","8","1") = "9"
    & skf18("10","2","6","6","4","9","1") = "9"
    & skf18("10","2","6","6","4","10","1") = "9"
    & skf18("10","2","6","6","5","1","1") = "9"
    & skf18("10","2","6","6","5","2","1") = "9"
    & skf18("10","2","6","6","5","3","1") = "9"
    & skf18("10","2","6","6","5","4","1") = "9"
    & skf18("10","2","6","6","5","5","1") = "9"
    & skf18("10","2","6","6","5","6","1") = "9"
    & skf18("10","2","6","6","5","7","1") = "9"
    & skf18("10","2","6","6","5","8","1") = "9"
    & skf18("10","2","6","6","5","9","1") = "9"
    & skf18("10","2","6","6","5","10","1") = "9"
    & skf18("10","2","6","6","6","1","1") = "9"
    & skf18("10","2","6","6","6","2","1") = "9"
    & skf18("10","2","6","6","6","3","1") = "9"
    & skf18("10","2","6","6","6","4","1") = "9"
    & skf18("10","2","6","6","6","5","1") = "9"
    & skf18("10","2","6","6","6","6","1") = "9"
    & skf18("10","2","6","6","6","7","1") = "9"
    & skf18("10","2","6","6","6","8","1") = "9"
    & skf18("10","2","6","6","6","9","1") = "9"
    & skf18("10","2","6","6","6","10","1") = "9"
    & skf18("10","2","6","6","7","1","1") = "9"
    & skf18("10","2","6","6","7","2","1") = "9"
    & skf18("10","2","6","6","7","3","1") = "9"
    & skf18("10","2","6","6","7","4","1") = "9"
    & skf18("10","2","6","6","7","5","1") = "9"
    & skf18("10","2","6","6","7","6","1") = "9"
    & skf18("10","2","6","6","7","7","1") = "9"
    & skf18("10","2","6","6","7","8","1") = "9"
    & skf18("10","2","6","6","7","9","1") = "9"
    & skf18("10","2","6","6","7","10","1") = "9"
    & skf18("10","2","6","6","8","1","1") = "9"
    & skf18("10","2","6","6","8","2","1") = "9"
    & skf18("10","2","6","6","8","3","1") = "9"
    & skf18("10","2","6","6","8","4","1") = "9"
    & skf18("10","2","6","6","8","5","1") = "9"
    & skf18("10","2","6","6","8","6","1") = "9"
    & skf18("10","2","6","6","8","7","1") = "9"
    & skf18("10","2","6","6","8","8","1") = "9"
    & skf18("10","2","6","6","8","9","1") = "9"
    & skf18("10","2","6","6","8","10","1") = "9"
    & skf18("10","2","6","6","9","1","1") = "9"
    & skf18("10","2","6","6","9","2","1") = "9"
    & skf18("10","2","6","6","9","3","1") = "9"
    & skf18("10","2","6","6","9","4","1") = "9"
    & skf18("10","2","6","6","9","5","1") = "9"
    & skf18("10","2","6","6","9","6","1") = "9"
    & skf18("10","2","6","6","9","7","1") = "9"
    & skf18("10","2","6","6","9","8","1") = "9"
    & skf18("10","2","6","6","9","9","1") = "9"
    & skf18("10","2","6","6","9","10","1") = "9"
    & skf18("10","2","6","6","10","1","1") = "9"
    & skf18("10","2","6","6","10","2","1") = "9"
    & skf18("10","2","6","6","10","3","1") = "9"
    & skf18("10","2","6","6","10","4","1") = "9"
    & skf18("10","2","6","6","10","5","1") = "9"
    & skf18("10","2","6","6","10","6","1") = "9"
    & skf18("10","2","6","6","10","7","1") = "9"
    & skf18("10","2","6","6","10","8","1") = "9"
    & skf18("10","2","6","6","10","9","1") = "9"
    & skf18("10","2","6","6","10","10","1") = "9"
    & skf18("10","2","6","7","1","1","1") = "9"
    & skf18("10","2","6","7","1","2","1") = "9"
    & skf18("10","2","6","7","1","3","1") = "9"
    & skf18("10","2","6","7","1","4","1") = "9"
    & skf18("10","2","6","7","1","5","1") = "9"
    & skf18("10","2","6","7","1","6","1") = "9"
    & skf18("10","2","6","7","1","7","1") = "9"
    & skf18("10","2","6","7","1","8","1") = "9"
    & skf18("10","2","6","7","1","9","1") = "9"
    & skf18("10","2","6","7","1","10","1") = "9"
    & skf18("10","2","6","7","2","1","1") = "9"
    & skf18("10","2","6","7","2","2","1") = "9"
    & skf18("10","2","6","7","2","3","1") = "9"
    & skf18("10","2","6","7","2","4","1") = "9"
    & skf18("10","2","6","7","2","5","1") = "9"
    & skf18("10","2","6","7","2","6","1") = "9"
    & skf18("10","2","6","7","2","7","1") = "9"
    & skf18("10","2","6","7","2","8","1") = "9"
    & skf18("10","2","6","7","2","9","1") = "9"
    & skf18("10","2","6","7","2","10","1") = "9"
    & skf18("10","2","6","7","3","1","1") = "9"
    & skf18("10","2","6","7","3","2","1") = "9"
    & skf18("10","2","6","7","3","3","1") = "9"
    & skf18("10","2","6","7","3","4","1") = "9"
    & skf18("10","2","6","7","3","5","1") = "9"
    & skf18("10","2","6","7","3","6","1") = "9"
    & skf18("10","2","6","7","3","7","1") = "9"
    & skf18("10","2","6","7","3","8","1") = "9"
    & skf18("10","2","6","7","3","9","1") = "9"
    & skf18("10","2","6","7","3","10","1") = "9"
    & skf18("10","2","6","7","4","1","1") = "9"
    & skf18("10","2","6","7","4","2","1") = "9"
    & skf18("10","2","6","7","4","3","1") = "9"
    & skf18("10","2","6","7","4","4","1") = "9"
    & skf18("10","2","6","7","4","5","1") = "9"
    & skf18("10","2","6","7","4","6","1") = "9"
    & skf18("10","2","6","7","4","7","1") = "9"
    & skf18("10","2","6","7","4","8","1") = "9"
    & skf18("10","2","6","7","4","9","1") = "9"
    & skf18("10","2","6","7","4","10","1") = "9"
    & skf18("10","2","6","7","5","1","1") = "9"
    & skf18("10","2","6","7","5","2","1") = "9"
    & skf18("10","2","6","7","5","3","1") = "9"
    & skf18("10","2","6","7","5","4","1") = "9"
    & skf18("10","2","6","7","5","5","1") = "9"
    & skf18("10","2","6","7","5","6","1") = "9"
    & skf18("10","2","6","7","5","7","1") = "9"
    & skf18("10","2","6","7","5","8","1") = "9"
    & skf18("10","2","6","7","5","9","1") = "9"
    & skf18("10","2","6","7","5","10","1") = "9"
    & skf18("10","2","6","7","6","1","1") = "9"
    & skf18("10","2","6","7","6","2","1") = "9"
    & skf18("10","2","6","7","6","3","1") = "9"
    & skf18("10","2","6","7","6","4","1") = "9"
    & skf18("10","2","6","7","6","5","1") = "9"
    & skf18("10","2","6","7","6","6","1") = "9"
    & skf18("10","2","6","7","6","7","1") = "9"
    & skf18("10","2","6","7","6","8","1") = "9"
    & skf18("10","2","6","7","6","9","1") = "9"
    & skf18("10","2","6","7","6","10","1") = "9"
    & skf18("10","2","6","7","7","1","1") = "9"
    & skf18("10","2","6","7","7","2","1") = "9"
    & skf18("10","2","6","7","7","3","1") = "9"
    & skf18("10","2","6","7","7","4","1") = "9"
    & skf18("10","2","6","7","7","5","1") = "9"
    & skf18("10","2","6","7","7","6","1") = "9"
    & skf18("10","2","6","7","7","7","1") = "9"
    & skf18("10","2","6","7","7","8","1") = "9"
    & skf18("10","2","6","7","7","9","1") = "9"
    & skf18("10","2","6","7","7","10","1") = "9"
    & skf18("10","2","6","7","8","1","1") = "9"
    & skf18("10","2","6","7","8","2","1") = "9"
    & skf18("10","2","6","7","8","3","1") = "9"
    & skf18("10","2","6","7","8","4","1") = "9"
    & skf18("10","2","6","7","8","5","1") = "9"
    & skf18("10","2","6","7","8","6","1") = "9"
    & skf18("10","2","6","7","8","7","1") = "9"
    & skf18("10","2","6","7","8","8","1") = "9"
    & skf18("10","2","6","7","8","9","1") = "9"
    & skf18("10","2","6","7","8","10","1") = "9"
    & skf18("10","2","6","7","9","1","1") = "9"
    & skf18("10","2","6","7","9","2","1") = "9"
    & skf18("10","2","6","7","9","3","1") = "9"
    & skf18("10","2","6","7","9","4","1") = "9"
    & skf18("10","2","6","7","9","5","1") = "9"
    & skf18("10","2","6","7","9","6","1") = "9"
    & skf18("10","2","6","7","9","7","1") = "9"
    & skf18("10","2","6","7","9","8","1") = "9"
    & skf18("10","2","6","7","9","9","1") = "9"
    & skf18("10","2","6","7","9","10","1") = "9"
    & skf18("10","2","6","7","10","1","1") = "9"
    & skf18("10","2","6","7","10","2","1") = "9"
    & skf18("10","2","6","7","10","3","1") = "9"
    & skf18("10","2","6","7","10","4","1") = "9"
    & skf18("10","2","6","7","10","5","1") = "9"
    & skf18("10","2","6","7","10","6","1") = "9"
    & skf18("10","2","6","7","10","7","1") = "9"
    & skf18("10","2","6","7","10","8","1") = "9"
    & skf18("10","2","6","7","10","9","1") = "9"
    & skf18("10","2","6","7","10","10","1") = "9"
    & skf18("10","2","6","8","1","1","1") = "9"
    & skf18("10","2","6","8","1","2","1") = "9"
    & skf18("10","2","6","8","1","3","1") = "9"
    & skf18("10","2","6","8","1","4","1") = "9"
    & skf18("10","2","6","8","1","5","1") = "9"
    & skf18("10","2","6","8","1","6","1") = "9"
    & skf18("10","2","6","8","1","7","1") = "9"
    & skf18("10","2","6","8","1","8","1") = "9"
    & skf18("10","2","6","8","1","9","1") = "9"
    & skf18("10","2","6","8","1","10","1") = "9"
    & skf18("10","2","6","8","2","1","1") = "9"
    & skf18("10","2","6","8","2","2","1") = "9"
    & skf18("10","2","6","8","2","3","1") = "9"
    & skf18("10","2","6","8","2","4","1") = "9"
    & skf18("10","2","6","8","2","5","1") = "9"
    & skf18("10","2","6","8","2","6","1") = "9"
    & skf18("10","2","6","8","2","7","1") = "9"
    & skf18("10","2","6","8","2","8","1") = "9"
    & skf18("10","2","6","8","2","9","1") = "9"
    & skf18("10","2","6","8","2","10","1") = "9"
    & skf18("10","2","6","8","3","1","1") = "9"
    & skf18("10","2","6","8","3","2","1") = "9"
    & skf18("10","2","6","8","3","3","1") = "9"
    & skf18("10","2","6","8","3","4","1") = "9"
    & skf18("10","2","6","8","3","5","1") = "9"
    & skf18("10","2","6","8","3","6","1") = "9"
    & skf18("10","2","6","8","3","7","1") = "9"
    & skf18("10","2","6","8","3","8","1") = "9"
    & skf18("10","2","6","8","3","9","1") = "9"
    & skf18("10","2","6","8","3","10","1") = "9"
    & skf18("10","2","6","8","4","1","1") = "9"
    & skf18("10","2","6","8","4","2","1") = "9"
    & skf18("10","2","6","8","4","3","1") = "9"
    & skf18("10","2","6","8","4","4","1") = "9"
    & skf18("10","2","6","8","4","5","1") = "9"
    & skf18("10","2","6","8","4","6","1") = "9"
    & skf18("10","2","6","8","4","7","1") = "9"
    & skf18("10","2","6","8","4","8","1") = "9"
    & skf18("10","2","6","8","4","9","1") = "9"
    & skf18("10","2","6","8","4","10","1") = "9"
    & skf18("10","2","6","8","5","1","1") = "9"
    & skf18("10","2","6","8","5","2","1") = "9"
    & skf18("10","2","6","8","5","3","1") = "9"
    & skf18("10","2","6","8","5","4","1") = "9"
    & skf18("10","2","6","8","5","5","1") = "9"
    & skf18("10","2","6","8","5","6","1") = "9"
    & skf18("10","2","6","8","5","7","1") = "9"
    & skf18("10","2","6","8","5","8","1") = "9"
    & skf18("10","2","6","8","5","9","1") = "9"
    & skf18("10","2","6","8","5","10","1") = "9"
    & skf18("10","2","6","8","6","1","1") = "9"
    & skf18("10","2","6","8","6","2","1") = "9"
    & skf18("10","2","6","8","6","3","1") = "9"
    & skf18("10","2","6","8","6","4","1") = "9"
    & skf18("10","2","6","8","6","5","1") = "9"
    & skf18("10","2","6","8","6","6","1") = "9"
    & skf18("10","2","6","8","6","7","1") = "9"
    & skf18("10","2","6","8","6","8","1") = "9"
    & skf18("10","2","6","8","6","9","1") = "9"
    & skf18("10","2","6","8","6","10","1") = "9"
    & skf18("10","2","6","8","7","1","1") = "9"
    & skf18("10","2","6","8","7","2","1") = "9"
    & skf18("10","2","6","8","7","3","1") = "9"
    & skf18("10","2","6","8","7","4","1") = "9"
    & skf18("10","2","6","8","7","5","1") = "9"
    & skf18("10","2","6","8","7","6","1") = "9"
    & skf18("10","2","6","8","7","7","1") = "9"
    & skf18("10","2","6","8","7","8","1") = "9"
    & skf18("10","2","6","8","7","9","1") = "9"
    & skf18("10","2","6","8","7","10","1") = "9"
    & skf18("10","2","6","8","8","1","1") = "9"
    & skf18("10","2","6","8","8","2","1") = "9"
    & skf18("10","2","6","8","8","3","1") = "9"
    & skf18("10","2","6","8","8","4","1") = "9"
    & skf18("10","2","6","8","8","5","1") = "9"
    & skf18("10","2","6","8","8","6","1") = "9"
    & skf18("10","2","6","8","8","7","1") = "9"
    & skf18("10","2","6","8","8","8","1") = "9"
    & skf18("10","2","6","8","8","9","1") = "9"
    & skf18("10","2","6","8","8","10","1") = "9"
    & skf18("10","2","6","8","9","1","1") = "9"
    & skf18("10","2","6","8","9","2","1") = "9"
    & skf18("10","2","6","8","9","3","1") = "9"
    & skf18("10","2","6","8","9","4","1") = "9"
    & skf18("10","2","6","8","9","5","1") = "9"
    & skf18("10","2","6","8","9","6","1") = "9"
    & skf18("10","2","6","8","9","7","1") = "9"
    & skf18("10","2","6","8","9","8","1") = "9"
    & skf18("10","2","6","8","9","9","1") = "9"
    & skf18("10","2","6","8","9","10","1") = "9"
    & skf18("10","2","6","8","10","1","1") = "9"
    & skf18("10","2","6","8","10","2","1") = "9"
    & skf18("10","2","6","8","10","3","1") = "9"
    & skf18("10","2","6","8","10","4","1") = "9"
    & skf18("10","2","6","8","10","5","1") = "9"
    & skf18("10","2","6","8","10","6","1") = "9"
    & skf18("10","2","6","8","10","7","1") = "9"
    & skf18("10","2","6","8","10","8","1") = "9"
    & skf18("10","2","6","8","10","9","1") = "9"
    & skf18("10","2","6","8","10","10","1") = "9"
    & skf18("10","2","6","9","1","1","1") = "9"
    & skf18("10","2","6","9","1","2","1") = "9"
    & skf18("10","2","6","9","1","3","1") = "9"
    & skf18("10","2","6","9","1","4","1") = "9"
    & skf18("10","2","6","9","1","5","1") = "9"
    & skf18("10","2","6","9","1","6","1") = "9"
    & skf18("10","2","6","9","1","7","1") = "9"
    & skf18("10","2","6","9","1","8","1") = "9"
    & skf18("10","2","6","9","1","9","1") = "9"
    & skf18("10","2","6","9","1","10","1") = "9"
    & skf18("10","2","6","9","2","1","1") = "9"
    & skf18("10","2","6","9","2","2","1") = "9"
    & skf18("10","2","6","9","2","3","1") = "9"
    & skf18("10","2","6","9","2","4","1") = "9"
    & skf18("10","2","6","9","2","5","1") = "9"
    & skf18("10","2","6","9","2","6","1") = "9"
    & skf18("10","2","6","9","2","7","1") = "9"
    & skf18("10","2","6","9","2","8","1") = "9"
    & skf18("10","2","6","9","2","9","1") = "9"
    & skf18("10","2","6","9","2","10","1") = "9"
    & skf18("10","2","6","9","3","1","1") = "9"
    & skf18("10","2","6","9","3","2","1") = "9"
    & skf18("10","2","6","9","3","3","1") = "9"
    & skf18("10","2","6","9","3","4","1") = "9"
    & skf18("10","2","6","9","3","5","1") = "9"
    & skf18("10","2","6","9","3","6","1") = "9"
    & skf18("10","2","6","9","3","7","1") = "9"
    & skf18("10","2","6","9","3","8","1") = "9"
    & skf18("10","2","6","9","3","9","1") = "9"
    & skf18("10","2","6","9","3","10","1") = "9"
    & skf18("10","2","6","9","4","1","1") = "9"
    & skf18("10","2","6","9","4","2","1") = "9"
    & skf18("10","2","6","9","4","3","1") = "9"
    & skf18("10","2","6","9","4","4","1") = "9"
    & skf18("10","2","6","9","4","5","1") = "9"
    & skf18("10","2","6","9","4","6","1") = "9"
    & skf18("10","2","6","9","4","7","1") = "9"
    & skf18("10","2","6","9","4","8","1") = "9"
    & skf18("10","2","6","9","4","9","1") = "9"
    & skf18("10","2","6","9","4","10","1") = "9"
    & skf18("10","2","6","9","5","1","1") = "9"
    & skf18("10","2","6","9","5","2","1") = "9"
    & skf18("10","2","6","9","5","3","1") = "9"
    & skf18("10","2","6","9","5","4","1") = "9"
    & skf18("10","2","6","9","5","5","1") = "9"
    & skf18("10","2","6","9","5","6","1") = "9"
    & skf18("10","2","6","9","5","7","1") = "9"
    & skf18("10","2","6","9","5","8","1") = "9"
    & skf18("10","2","6","9","5","9","1") = "9"
    & skf18("10","2","6","9","5","10","1") = "9"
    & skf18("10","2","6","9","6","1","1") = "9"
    & skf18("10","2","6","9","6","2","1") = "9"
    & skf18("10","2","6","9","6","3","1") = "9"
    & skf18("10","2","6","9","6","4","1") = "9"
    & skf18("10","2","6","9","6","5","1") = "9"
    & skf18("10","2","6","9","6","6","1") = "9"
    & skf18("10","2","6","9","6","7","1") = "9"
    & skf18("10","2","6","9","6","8","1") = "9"
    & skf18("10","2","6","9","6","9","1") = "9"
    & skf18("10","2","6","9","6","10","1") = "9"
    & skf18("10","2","6","9","7","1","1") = "9"
    & skf18("10","2","6","9","7","2","1") = "9"
    & skf18("10","2","6","9","7","3","1") = "9"
    & skf18("10","2","6","9","7","4","1") = "9"
    & skf18("10","2","6","9","7","5","1") = "9"
    & skf18("10","2","6","9","7","6","1") = "9"
    & skf18("10","2","6","9","7","7","1") = "9"
    & skf18("10","2","6","9","7","8","1") = "9"
    & skf18("10","2","6","9","7","9","1") = "9"
    & skf18("10","2","6","9","7","10","1") = "9"
    & skf18("10","2","6","9","8","1","1") = "9"
    & skf18("10","2","6","9","8","2","1") = "9"
    & skf18("10","2","6","9","8","3","1") = "9"
    & skf18("10","2","6","9","8","4","1") = "9"
    & skf18("10","2","6","9","8","5","1") = "9"
    & skf18("10","2","6","9","8","6","1") = "9"
    & skf18("10","2","6","9","8","7","1") = "9"
    & skf18("10","2","6","9","8","8","1") = "9"
    & skf18("10","2","6","9","8","9","1") = "9"
    & skf18("10","2","6","9","8","10","1") = "9"
    & skf18("10","2","6","9","9","1","1") = "9"
    & skf18("10","2","6","9","9","2","1") = "9"
    & skf18("10","2","6","9","9","3","1") = "9"
    & skf18("10","2","6","9","9","4","1") = "9"
    & skf18("10","2","6","9","9","5","1") = "9"
    & skf18("10","2","6","9","9","6","1") = "9"
    & skf18("10","2","6","9","9","7","1") = "9"
    & skf18("10","2","6","9","9","8","1") = "9"
    & skf18("10","2","6","9","9","9","1") = "9"
    & skf18("10","2","6","9","9","10","1") = "9"
    & skf18("10","2","6","9","10","1","1") = "9"
    & skf18("10","2","6","9","10","2","1") = "9"
    & skf18("10","2","6","9","10","3","1") = "9"
    & skf18("10","2","6","9","10","4","1") = "9"
    & skf18("10","2","6","9","10","5","1") = "9"
    & skf18("10","2","6","9","10","6","1") = "9"
    & skf18("10","2","6","9","10","7","1") = "9"
    & skf18("10","2","6","9","10","8","1") = "9"
    & skf18("10","2","6","9","10","9","1") = "9"
    & skf18("10","2","6","9","10","10","1") = "9"
    & skf18("10","2","6","10","1","1","1") = "9"
    & skf18("10","2","6","10","1","2","1") = "9"
    & skf18("10","2","6","10","1","3","1") = "9"
    & skf18("10","2","6","10","1","4","1") = "9"
    & skf18("10","2","6","10","1","5","1") = "9"
    & skf18("10","2","6","10","1","6","1") = "9"
    & skf18("10","2","6","10","1","7","1") = "9"
    & skf18("10","2","6","10","1","8","1") = "9"
    & skf18("10","2","6","10","1","9","1") = "9"
    & skf18("10","2","6","10","1","10","1") = "9"
    & skf18("10","2","6","10","2","1","1") = "9"
    & skf18("10","2","6","10","2","2","1") = "9"
    & skf18("10","2","6","10","2","3","1") = "9"
    & skf18("10","2","6","10","2","4","1") = "9"
    & skf18("10","2","6","10","2","5","1") = "9"
    & skf18("10","2","6","10","2","6","1") = "9"
    & skf18("10","2","6","10","2","7","1") = "9"
    & skf18("10","2","6","10","2","8","1") = "9"
    & skf18("10","2","6","10","2","9","1") = "9"
    & skf18("10","2","6","10","2","10","1") = "9"
    & skf18("10","2","6","10","3","1","1") = "9"
    & skf18("10","2","6","10","3","2","1") = "9"
    & skf18("10","2","6","10","3","3","1") = "9"
    & skf18("10","2","6","10","3","4","1") = "9"
    & skf18("10","2","6","10","3","5","1") = "9"
    & skf18("10","2","6","10","3","6","1") = "9"
    & skf18("10","2","6","10","3","7","1") = "9"
    & skf18("10","2","6","10","3","8","1") = "9"
    & skf18("10","2","6","10","3","9","1") = "9"
    & skf18("10","2","6","10","3","10","1") = "9"
    & skf18("10","2","6","10","4","1","1") = "9"
    & skf18("10","2","6","10","4","2","1") = "9"
    & skf18("10","2","6","10","4","3","1") = "9"
    & skf18("10","2","6","10","4","4","1") = "9"
    & skf18("10","2","6","10","4","5","1") = "9"
    & skf18("10","2","6","10","4","6","1") = "9"
    & skf18("10","2","6","10","4","7","1") = "9"
    & skf18("10","2","6","10","4","8","1") = "9"
    & skf18("10","2","6","10","4","9","1") = "9"
    & skf18("10","2","6","10","4","10","1") = "9"
    & skf18("10","2","6","10","5","1","1") = "9"
    & skf18("10","2","6","10","5","2","1") = "9"
    & skf18("10","2","6","10","5","3","1") = "9"
    & skf18("10","2","6","10","5","4","1") = "9"
    & skf18("10","2","6","10","5","5","1") = "9"
    & skf18("10","2","6","10","5","6","1") = "9"
    & skf18("10","2","6","10","5","7","1") = "9"
    & skf18("10","2","6","10","5","8","1") = "9"
    & skf18("10","2","6","10","5","9","1") = "9"
    & skf18("10","2","6","10","5","10","1") = "9"
    & skf18("10","2","6","10","6","1","1") = "9"
    & skf18("10","2","6","10","6","2","1") = "9"
    & skf18("10","2","6","10","6","3","1") = "9"
    & skf18("10","2","6","10","6","4","1") = "9"
    & skf18("10","2","6","10","6","5","1") = "9"
    & skf18("10","2","6","10","6","6","1") = "9"
    & skf18("10","2","6","10","6","7","1") = "9"
    & skf18("10","2","6","10","6","8","1") = "9"
    & skf18("10","2","6","10","6","9","1") = "9"
    & skf18("10","2","6","10","6","10","1") = "9"
    & skf18("10","2","6","10","7","1","1") = "9"
    & skf18("10","2","6","10","7","2","1") = "9"
    & skf18("10","2","6","10","7","3","1") = "9"
    & skf18("10","2","6","10","7","4","1") = "9"
    & skf18("10","2","6","10","7","5","1") = "9"
    & skf18("10","2","6","10","7","6","1") = "9"
    & skf18("10","2","6","10","7","7","1") = "9"
    & skf18("10","2","6","10","7","8","1") = "9"
    & skf18("10","2","6","10","7","9","1") = "9"
    & skf18("10","2","6","10","7","10","1") = "9"
    & skf18("10","2","6","10","8","1","1") = "9"
    & skf18("10","2","6","10","8","2","1") = "9"
    & skf18("10","2","6","10","8","3","1") = "9"
    & skf18("10","2","6","10","8","4","1") = "9"
    & skf18("10","2","6","10","8","5","1") = "9"
    & skf18("10","2","6","10","8","6","1") = "9"
    & skf18("10","2","6","10","8","7","1") = "9"
    & skf18("10","2","6","10","8","8","1") = "9"
    & skf18("10","2","6","10","8","9","1") = "9"
    & skf18("10","2","6","10","8","10","1") = "9"
    & skf18("10","2","6","10","9","1","1") = "9"
    & skf18("10","2","6","10","9","2","1") = "9"
    & skf18("10","2","6","10","9","3","1") = "9"
    & skf18("10","2","6","10","9","4","1") = "9"
    & skf18("10","2","6","10","9","5","1") = "9"
    & skf18("10","2","6","10","9","6","1") = "9"
    & skf18("10","2","6","10","9","7","1") = "9"
    & skf18("10","2","6","10","9","8","1") = "9"
    & skf18("10","2","6","10","9","9","1") = "9"
    & skf18("10","2","6","10","9","10","1") = "9"
    & skf18("10","2","6","10","10","1","1") = "9"
    & skf18("10","2","6","10","10","2","1") = "9"
    & skf18("10","2","6","10","10","3","1") = "9"
    & skf18("10","2","6","10","10","4","1") = "9"
    & skf18("10","2","6","10","10","5","1") = "9"
    & skf18("10","2","6","10","10","6","1") = "9"
    & skf18("10","2","6","10","10","7","1") = "9"
    & skf18("10","2","6","10","10","8","1") = "9"
    & skf18("10","2","6","10","10","9","1") = "9"
    & skf18("10","2","6","10","10","10","1") = "9"
    & skf18("10","2","7","1","1","1","1") = "9"
    & skf18("10","2","7","1","1","2","1") = "9"
    & skf18("10","2","7","1","1","3","1") = "9"
    & skf18("10","2","7","1","1","4","1") = "9"
    & skf18("10","2","7","1","1","5","1") = "9"
    & skf18("10","2","7","1","1","6","1") = "9"
    & skf18("10","2","7","1","1","7","1") = "9"
    & skf18("10","2","7","1","1","8","1") = "9"
    & skf18("10","2","7","1","1","9","1") = "9"
    & skf18("10","2","7","1","1","10","1") = "9"
    & skf18("10","2","7","1","2","1","1") = "9"
    & skf18("10","2","7","1","2","2","1") = "9"
    & skf18("10","2","7","1","2","3","1") = "9"
    & skf18("10","2","7","1","2","4","1") = "9"
    & skf18("10","2","7","1","2","5","1") = "9"
    & skf18("10","2","7","1","2","6","1") = "9"
    & skf18("10","2","7","1","2","7","1") = "9"
    & skf18("10","2","7","1","2","8","1") = "9"
    & skf18("10","2","7","1","2","9","1") = "9"
    & skf18("10","2","7","1","2","10","1") = "9"
    & skf18("10","2","7","1","3","1","1") = "9"
    & skf18("10","2","7","1","3","2","1") = "9"
    & skf18("10","2","7","1","3","3","1") = "9"
    & skf18("10","2","7","1","3","4","1") = "9"
    & skf18("10","2","7","1","3","5","1") = "9"
    & skf18("10","2","7","1","3","6","1") = "9"
    & skf18("10","2","7","1","3","7","1") = "9"
    & skf18("10","2","7","1","3","8","1") = "9"
    & skf18("10","2","7","1","3","9","1") = "9"
    & skf18("10","2","7","1","3","10","1") = "9"
    & skf18("10","2","7","1","4","1","1") = "9"
    & skf18("10","2","7","1","4","2","1") = "9"
    & skf18("10","2","7","1","4","3","1") = "9"
    & skf18("10","2","7","1","4","4","1") = "9"
    & skf18("10","2","7","1","4","5","1") = "9"
    & skf18("10","2","7","1","4","6","1") = "9"
    & skf18("10","2","7","1","4","7","1") = "9"
    & skf18("10","2","7","1","4","8","1") = "9"
    & skf18("10","2","7","1","4","9","1") = "9"
    & skf18("10","2","7","1","4","10","1") = "9"
    & skf18("10","2","7","1","5","1","1") = "9"
    & skf18("10","2","7","1","5","2","1") = "9"
    & skf18("10","2","7","1","5","3","1") = "9"
    & skf18("10","2","7","1","5","4","1") = "9"
    & skf18("10","2","7","1","5","5","1") = "9"
    & skf18("10","2","7","1","5","6","1") = "9"
    & skf18("10","2","7","1","5","7","1") = "9"
    & skf18("10","2","7","1","5","8","1") = "9"
    & skf18("10","2","7","1","5","9","1") = "9"
    & skf18("10","2","7","1","5","10","1") = "9"
    & skf18("10","2","7","1","6","1","1") = "9"
    & skf18("10","2","7","1","6","2","1") = "9"
    & skf18("10","2","7","1","6","3","1") = "9"
    & skf18("10","2","7","1","6","4","1") = "9"
    & skf18("10","2","7","1","6","5","1") = "9"
    & skf18("10","2","7","1","6","6","1") = "9"
    & skf18("10","2","7","1","6","7","1") = "9"
    & skf18("10","2","7","1","6","8","1") = "9"
    & skf18("10","2","7","1","6","9","1") = "9"
    & skf18("10","2","7","1","6","10","1") = "9"
    & skf18("10","2","7","1","7","1","1") = "9"
    & skf18("10","2","7","1","7","2","1") = "9"
    & skf18("10","2","7","1","7","3","1") = "9"
    & skf18("10","2","7","1","7","4","1") = "9"
    & skf18("10","2","7","1","7","5","1") = "9"
    & skf18("10","2","7","1","7","6","1") = "9"
    & skf18("10","2","7","1","7","7","1") = "9"
    & skf18("10","2","7","1","7","8","1") = "9"
    & skf18("10","2","7","1","7","9","1") = "9"
    & skf18("10","2","7","1","7","10","1") = "9"
    & skf18("10","2","7","1","8","1","1") = "9"
    & skf18("10","2","7","1","8","2","1") = "9"
    & skf18("10","2","7","1","8","3","1") = "9"
    & skf18("10","2","7","1","8","4","1") = "9"
    & skf18("10","2","7","1","8","5","1") = "9"
    & skf18("10","2","7","1","8","6","1") = "9"
    & skf18("10","2","7","1","8","7","1") = "9"
    & skf18("10","2","7","1","8","8","1") = "9"
    & skf18("10","2","7","1","8","9","1") = "9"
    & skf18("10","2","7","1","8","10","1") = "9"
    & skf18("10","2","7","1","9","1","1") = "9"
    & skf18("10","2","7","1","9","2","1") = "9"
    & skf18("10","2","7","1","9","3","1") = "9"
    & skf18("10","2","7","1","9","4","1") = "9"
    & skf18("10","2","7","1","9","5","1") = "9"
    & skf18("10","2","7","1","9","6","1") = "9"
    & skf18("10","2","7","1","9","7","1") = "9"
    & skf18("10","2","7","1","9","8","1") = "9"
    & skf18("10","2","7","1","9","9","1") = "9"
    & skf18("10","2","7","1","9","10","1") = "9"
    & skf18("10","2","7","1","10","1","1") = "9"
    & skf18("10","2","7","1","10","2","1") = "9"
    & skf18("10","2","7","1","10","3","1") = "9"
    & skf18("10","2","7","1","10","4","1") = "9"
    & skf18("10","2","7","1","10","5","1") = "9"
    & skf18("10","2","7","1","10","6","1") = "9"
    & skf18("10","2","7","1","10","7","1") = "9"
    & skf18("10","2","7","1","10","8","1") = "9"
    & skf18("10","2","7","1","10","9","1") = "9"
    & skf18("10","2","7","1","10","10","1") = "9"
    & skf18("10","2","7","2","1","1","1") = "9"
    & skf18("10","2","7","2","1","2","1") = "9"
    & skf18("10","2","7","2","1","3","1") = "9"
    & skf18("10","2","7","2","1","4","1") = "9"
    & skf18("10","2","7","2","1","5","1") = "9"
    & skf18("10","2","7","2","1","6","1") = "9"
    & skf18("10","2","7","2","1","7","1") = "9"
    & skf18("10","2","7","2","1","8","1") = "9"
    & skf18("10","2","7","2","1","9","1") = "9"
    & skf18("10","2","7","2","1","10","1") = "9"
    & skf18("10","2","7","2","2","1","1") = "9"
    & skf18("10","2","7","2","2","2","1") = "9"
    & skf18("10","2","7","2","2","3","1") = "9"
    & skf18("10","2","7","2","2","4","1") = "9"
    & skf18("10","2","7","2","2","5","1") = "9"
    & skf18("10","2","7","2","2","6","1") = "9"
    & skf18("10","2","7","2","2","7","1") = "9"
    & skf18("10","2","7","2","2","8","1") = "9"
    & skf18("10","2","7","2","2","9","1") = "9"
    & skf18("10","2","7","2","2","10","1") = "9"
    & skf18("10","2","7","2","3","1","1") = "9"
    & skf18("10","2","7","2","3","2","1") = "9"
    & skf18("10","2","7","2","3","3","1") = "9"
    & skf18("10","2","7","2","3","4","1") = "9"
    & skf18("10","2","7","2","3","5","1") = "9"
    & skf18("10","2","7","2","3","6","1") = "9"
    & skf18("10","2","7","2","3","7","1") = "9"
    & skf18("10","2","7","2","3","8","1") = "9"
    & skf18("10","2","7","2","3","9","1") = "9"
    & skf18("10","2","7","2","3","10","1") = "9"
    & skf18("10","2","7","2","4","1","1") = "9"
    & skf18("10","2","7","2","4","2","1") = "9"
    & skf18("10","2","7","2","4","3","1") = "9"
    & skf18("10","2","7","2","4","4","1") = "9"
    & skf18("10","2","7","2","4","5","1") = "9"
    & skf18("10","2","7","2","4","6","1") = "9"
    & skf18("10","2","7","2","4","7","1") = "9"
    & skf18("10","2","7","2","4","8","1") = "9"
    & skf18("10","2","7","2","4","9","1") = "9"
    & skf18("10","2","7","2","4","10","1") = "9"
    & skf18("10","2","7","2","5","1","1") = "9"
    & skf18("10","2","7","2","5","2","1") = "9"
    & skf18("10","2","7","2","5","3","1") = "9"
    & skf18("10","2","7","2","5","4","1") = "9"
    & skf18("10","2","7","2","5","5","1") = "9"
    & skf18("10","2","7","2","5","6","1") = "9"
    & skf18("10","2","7","2","5","7","1") = "9"
    & skf18("10","2","7","2","5","8","1") = "9"
    & skf18("10","2","7","2","5","9","1") = "9"
    & skf18("10","2","7","2","5","10","1") = "9"
    & skf18("10","2","7","2","6","1","1") = "9"
    & skf18("10","2","7","2","6","2","1") = "9"
    & skf18("10","2","7","2","6","3","1") = "9"
    & skf18("10","2","7","2","6","4","1") = "9"
    & skf18("10","2","7","2","6","5","1") = "9"
    & skf18("10","2","7","2","6","6","1") = "9"
    & skf18("10","2","7","2","6","7","1") = "9"
    & skf18("10","2","7","2","6","8","1") = "9"
    & skf18("10","2","7","2","6","9","1") = "9"
    & skf18("10","2","7","2","6","10","1") = "9"
    & skf18("10","2","7","2","7","1","1") = "9"
    & skf18("10","2","7","2","7","2","1") = "9"
    & skf18("10","2","7","2","7","3","1") = "9"
    & skf18("10","2","7","2","7","4","1") = "9"
    & skf18("10","2","7","2","7","5","1") = "9"
    & skf18("10","2","7","2","7","6","1") = "9"
    & skf18("10","2","7","2","7","7","1") = "9"
    & skf18("10","2","7","2","7","8","1") = "9"
    & skf18("10","2","7","2","7","9","1") = "9"
    & skf18("10","2","7","2","7","10","1") = "9"
    & skf18("10","2","7","2","8","1","1") = "9"
    & skf18("10","2","7","2","8","2","1") = "9"
    & skf18("10","2","7","2","8","3","1") = "9"
    & skf18("10","2","7","2","8","4","1") = "9"
    & skf18("10","2","7","2","8","5","1") = "9"
    & skf18("10","2","7","2","8","6","1") = "9"
    & skf18("10","2","7","2","8","7","1") = "9"
    & skf18("10","2","7","2","8","8","1") = "9"
    & skf18("10","2","7","2","8","9","1") = "9"
    & skf18("10","2","7","2","8","10","1") = "9"
    & skf18("10","2","7","2","9","1","1") = "9"
    & skf18("10","2","7","2","9","2","1") = "9"
    & skf18("10","2","7","2","9","3","1") = "9"
    & skf18("10","2","7","2","9","4","1") = "9"
    & skf18("10","2","7","2","9","5","1") = "9"
    & skf18("10","2","7","2","9","6","1") = "9"
    & skf18("10","2","7","2","9","7","1") = "9"
    & skf18("10","2","7","2","9","8","1") = "9"
    & skf18("10","2","7","2","9","9","1") = "9"
    & skf18("10","2","7","2","9","10","1") = "9"
    & skf18("10","2","7","2","10","1","1") = "9"
    & skf18("10","2","7","2","10","2","1") = "9"
    & skf18("10","2","7","2","10","3","1") = "9"
    & skf18("10","2","7","2","10","4","1") = "9"
    & skf18("10","2","7","2","10","5","1") = "9"
    & skf18("10","2","7","2","10","6","1") = "9"
    & skf18("10","2","7","2","10","7","1") = "9"
    & skf18("10","2","7","2","10","8","1") = "9"
    & skf18("10","2","7","2","10","9","1") = "9"
    & skf18("10","2","7","2","10","10","1") = "9"
    & skf18("10","2","7","3","1","1","1") = "9"
    & skf18("10","2","7","3","1","2","1") = "9"
    & skf18("10","2","7","3","1","3","1") = "9"
    & skf18("10","2","7","3","1","4","1") = "9"
    & skf18("10","2","7","3","1","5","1") = "9"
    & skf18("10","2","7","3","1","6","1") = "9"
    & skf18("10","2","7","3","1","7","1") = "9"
    & skf18("10","2","7","3","1","8","1") = "9"
    & skf18("10","2","7","3","1","9","1") = "9"
    & skf18("10","2","7","3","1","10","1") = "9"
    & skf18("10","2","7","3","2","1","1") = "9"
    & skf18("10","2","7","3","2","2","1") = "9"
    & skf18("10","2","7","3","2","3","1") = "9"
    & skf18("10","2","7","3","2","4","1") = "9"
    & skf18("10","2","7","3","2","5","1") = "9"
    & skf18("10","2","7","3","2","6","1") = "9"
    & skf18("10","2","7","3","2","7","1") = "9"
    & skf18("10","2","7","3","2","8","1") = "9"
    & skf18("10","2","7","3","2","9","1") = "9"
    & skf18("10","2","7","3","2","10","1") = "9"
    & skf18("10","2","7","3","3","1","1") = "9"
    & skf18("10","2","7","3","3","2","1") = "9"
    & skf18("10","2","7","3","3","3","1") = "9"
    & skf18("10","2","7","3","3","4","1") = "9"
    & skf18("10","2","7","3","3","5","1") = "9"
    & skf18("10","2","7","3","3","6","1") = "9"
    & skf18("10","2","7","3","3","7","1") = "9"
    & skf18("10","2","7","3","3","8","1") = "9"
    & skf18("10","2","7","3","3","9","1") = "9"
    & skf18("10","2","7","3","3","10","1") = "9"
    & skf18("10","2","7","3","4","1","1") = "9"
    & skf18("10","2","7","3","4","2","1") = "9"
    & skf18("10","2","7","3","4","3","1") = "9"
    & skf18("10","2","7","3","4","4","1") = "9"
    & skf18("10","2","7","3","4","5","1") = "9"
    & skf18("10","2","7","3","4","6","1") = "9"
    & skf18("10","2","7","3","4","7","1") = "9"
    & skf18("10","2","7","3","4","8","1") = "9"
    & skf18("10","2","7","3","4","9","1") = "9"
    & skf18("10","2","7","3","4","10","1") = "9"
    & skf18("10","2","7","3","5","1","1") = "9"
    & skf18("10","2","7","3","5","2","1") = "9"
    & skf18("10","2","7","3","5","3","1") = "9"
    & skf18("10","2","7","3","5","4","1") = "9"
    & skf18("10","2","7","3","5","5","1") = "9"
    & skf18("10","2","7","3","5","6","1") = "9"
    & skf18("10","2","7","3","5","7","1") = "9"
    & skf18("10","2","7","3","5","8","1") = "9"
    & skf18("10","2","7","3","5","9","1") = "9"
    & skf18("10","2","7","3","5","10","1") = "9"
    & skf18("10","2","7","3","6","1","1") = "9"
    & skf18("10","2","7","3","6","2","1") = "9"
    & skf18("10","2","7","3","6","3","1") = "9"
    & skf18("10","2","7","3","6","4","1") = "9"
    & skf18("10","2","7","3","6","5","1") = "9"
    & skf18("10","2","7","3","6","6","1") = "9"
    & skf18("10","2","7","3","6","7","1") = "9"
    & skf18("10","2","7","3","6","8","1") = "9"
    & skf18("10","2","7","3","6","9","1") = "9"
    & skf18("10","2","7","3","6","10","1") = "9"
    & skf18("10","2","7","3","7","1","1") = "9"
    & skf18("10","2","7","3","7","2","1") = "9"
    & skf18("10","2","7","3","7","3","1") = "9"
    & skf18("10","2","7","3","7","4","1") = "9"
    & skf18("10","2","7","3","7","5","1") = "9"
    & skf18("10","2","7","3","7","6","1") = "9"
    & skf18("10","2","7","3","7","7","1") = "9"
    & skf18("10","2","7","3","7","8","1") = "9"
    & skf18("10","2","7","3","7","9","1") = "9"
    & skf18("10","2","7","3","7","10","1") = "9"
    & skf18("10","2","7","3","8","1","1") = "9"
    & skf18("10","2","7","3","8","2","1") = "9"
    & skf18("10","2","7","3","8","3","1") = "9"
    & skf18("10","2","7","3","8","4","1") = "9"
    & skf18("10","2","7","3","8","5","1") = "9"
    & skf18("10","2","7","3","8","6","1") = "9"
    & skf18("10","2","7","3","8","7","1") = "9"
    & skf18("10","2","7","3","8","8","1") = "9"
    & skf18("10","2","7","3","8","9","1") = "9"
    & skf18("10","2","7","3","8","10","1") = "9"
    & skf18("10","2","7","3","9","1","1") = "9"
    & skf18("10","2","7","3","9","2","1") = "9"
    & skf18("10","2","7","3","9","3","1") = "9"
    & skf18("10","2","7","3","9","4","1") = "9"
    & skf18("10","2","7","3","9","5","1") = "9"
    & skf18("10","2","7","3","9","6","1") = "9"
    & skf18("10","2","7","3","9","7","1") = "9"
    & skf18("10","2","7","3","9","8","1") = "9"
    & skf18("10","2","7","3","9","9","1") = "9"
    & skf18("10","2","7","3","9","10","1") = "9"
    & skf18("10","2","7","3","10","1","1") = "9"
    & skf18("10","2","7","3","10","2","1") = "9"
    & skf18("10","2","7","3","10","3","1") = "9"
    & skf18("10","2","7","3","10","4","1") = "9"
    & skf18("10","2","7","3","10","5","1") = "9"
    & skf18("10","2","7","3","10","6","1") = "9"
    & skf18("10","2","7","3","10","7","1") = "9"
    & skf18("10","2","7","3","10","8","1") = "9"
    & skf18("10","2","7","3","10","9","1") = "9"
    & skf18("10","2","7","3","10","10","1") = "9"
    & skf18("10","2","7","4","1","1","1") = "9"
    & skf18("10","2","7","4","1","2","1") = "9"
    & skf18("10","2","7","4","1","3","1") = "9"
    & skf18("10","2","7","4","1","4","1") = "9"
    & skf18("10","2","7","4","1","5","1") = "9"
    & skf18("10","2","7","4","1","6","1") = "9"
    & skf18("10","2","7","4","1","7","1") = "9"
    & skf18("10","2","7","4","1","8","1") = "9"
    & skf18("10","2","7","4","1","9","1") = "9"
    & skf18("10","2","7","4","1","10","1") = "9"
    & skf18("10","2","7","4","2","1","1") = "9"
    & skf18("10","2","7","4","2","2","1") = "9"
    & skf18("10","2","7","4","2","3","1") = "9"
    & skf18("10","2","7","4","2","4","1") = "9"
    & skf18("10","2","7","4","2","5","1") = "9"
    & skf18("10","2","7","4","2","6","1") = "9"
    & skf18("10","2","7","4","2","7","1") = "9"
    & skf18("10","2","7","4","2","8","1") = "9"
    & skf18("10","2","7","4","2","9","1") = "9"
    & skf18("10","2","7","4","2","10","1") = "9"
    & skf18("10","2","7","4","3","1","1") = "9"
    & skf18("10","2","7","4","3","2","1") = "9"
    & skf18("10","2","7","4","3","3","1") = "9"
    & skf18("10","2","7","4","3","4","1") = "9"
    & skf18("10","2","7","4","3","5","1") = "9"
    & skf18("10","2","7","4","3","6","1") = "9"
    & skf18("10","2","7","4","3","7","1") = "9"
    & skf18("10","2","7","4","3","8","1") = "9"
    & skf18("10","2","7","4","3","9","1") = "9"
    & skf18("10","2","7","4","3","10","1") = "9"
    & skf18("10","2","7","4","4","1","1") = "9"
    & skf18("10","2","7","4","4","2","1") = "9"
    & skf18("10","2","7","4","4","3","1") = "9"
    & skf18("10","2","7","4","4","4","1") = "9"
    & skf18("10","2","7","4","4","5","1") = "9"
    & skf18("10","2","7","4","4","6","1") = "9"
    & skf18("10","2","7","4","4","7","1") = "9"
    & skf18("10","2","7","4","4","8","1") = "9"
    & skf18("10","2","7","4","4","9","1") = "9"
    & skf18("10","2","7","4","4","10","1") = "9"
    & skf18("10","2","7","4","5","1","1") = "9"
    & skf18("10","2","7","4","5","2","1") = "9"
    & skf18("10","2","7","4","5","3","1") = "9"
    & skf18("10","2","7","4","5","4","1") = "9"
    & skf18("10","2","7","4","5","5","1") = "9"
    & skf18("10","2","7","4","5","6","1") = "9"
    & skf18("10","2","7","4","5","7","1") = "9"
    & skf18("10","2","7","4","5","8","1") = "9"
    & skf18("10","2","7","4","5","9","1") = "9"
    & skf18("10","2","7","4","5","10","1") = "9"
    & skf18("10","2","7","4","6","1","1") = "9"
    & skf18("10","2","7","4","6","2","1") = "9"
    & skf18("10","2","7","4","6","3","1") = "9"
    & skf18("10","2","7","4","6","4","1") = "9"
    & skf18("10","2","7","4","6","5","1") = "9"
    & skf18("10","2","7","4","6","6","1") = "9"
    & skf18("10","2","7","4","6","7","1") = "9"
    & skf18("10","2","7","4","6","8","1") = "9"
    & skf18("10","2","7","4","6","9","1") = "9"
    & skf18("10","2","7","4","6","10","1") = "9"
    & skf18("10","2","7","4","7","1","1") = "9"
    & skf18("10","2","7","4","7","2","1") = "9"
    & skf18("10","2","7","4","7","3","1") = "9"
    & skf18("10","2","7","4","7","4","1") = "9"
    & skf18("10","2","7","4","7","5","1") = "9"
    & skf18("10","2","7","4","7","6","1") = "9"
    & skf18("10","2","7","4","7","7","1") = "9"
    & skf18("10","2","7","4","7","8","1") = "9"
    & skf18("10","2","7","4","7","9","1") = "9"
    & skf18("10","2","7","4","7","10","1") = "9"
    & skf18("10","2","7","4","8","1","1") = "9"
    & skf18("10","2","7","4","8","2","1") = "9"
    & skf18("10","2","7","4","8","3","1") = "9"
    & skf18("10","2","7","4","8","4","1") = "9"
    & skf18("10","2","7","4","8","5","1") = "9"
    & skf18("10","2","7","4","8","6","1") = "9"
    & skf18("10","2","7","4","8","7","1") = "9"
    & skf18("10","2","7","4","8","8","1") = "9"
    & skf18("10","2","7","4","8","9","1") = "9"
    & skf18("10","2","7","4","8","10","1") = "9"
    & skf18("10","2","7","4","9","1","1") = "9"
    & skf18("10","2","7","4","9","2","1") = "9"
    & skf18("10","2","7","4","9","3","1") = "9"
    & skf18("10","2","7","4","9","4","1") = "9"
    & skf18("10","2","7","4","9","5","1") = "9"
    & skf18("10","2","7","4","9","6","1") = "9"
    & skf18("10","2","7","4","9","7","1") = "9"
    & skf18("10","2","7","4","9","8","1") = "9"
    & skf18("10","2","7","4","9","9","1") = "9"
    & skf18("10","2","7","4","9","10","1") = "9"
    & skf18("10","2","7","4","10","1","1") = "9"
    & skf18("10","2","7","4","10","2","1") = "9"
    & skf18("10","2","7","4","10","3","1") = "9"
    & skf18("10","2","7","4","10","4","1") = "9"
    & skf18("10","2","7","4","10","5","1") = "9"
    & skf18("10","2","7","4","10","6","1") = "9"
    & skf18("10","2","7","4","10","7","1") = "9"
    & skf18("10","2","7","4","10","8","1") = "9"
    & skf18("10","2","7","4","10","9","1") = "9"
    & skf18("10","2","7","4","10","10","1") = "9"
    & skf18("10","2","7","5","1","1","1") = "9"
    & skf18("10","2","7","5","1","2","1") = "9"
    & skf18("10","2","7","5","1","3","1") = "9"
    & skf18("10","2","7","5","1","4","1") = "9"
    & skf18("10","2","7","5","1","5","1") = "9"
    & skf18("10","2","7","5","1","6","1") = "9"
    & skf18("10","2","7","5","1","7","1") = "9"
    & skf18("10","2","7","5","1","8","1") = "9"
    & skf18("10","2","7","5","1","9","1") = "9"
    & skf18("10","2","7","5","1","10","1") = "9"
    & skf18("10","2","7","5","2","1","1") = "9"
    & skf18("10","2","7","5","2","2","1") = "9"
    & skf18("10","2","7","5","2","3","1") = "9"
    & skf18("10","2","7","5","2","4","1") = "9"
    & skf18("10","2","7","5","2","5","1") = "9"
    & skf18("10","2","7","5","2","6","1") = "9"
    & skf18("10","2","7","5","2","7","1") = "9"
    & skf18("10","2","7","5","2","8","1") = "9"
    & skf18("10","2","7","5","2","9","1") = "9"
    & skf18("10","2","7","5","2","10","1") = "9"
    & skf18("10","2","7","5","3","1","1") = "9"
    & skf18("10","2","7","5","3","2","1") = "9"
    & skf18("10","2","7","5","3","3","1") = "9"
    & skf18("10","2","7","5","3","4","1") = "9"
    & skf18("10","2","7","5","3","5","1") = "9"
    & skf18("10","2","7","5","3","6","1") = "9"
    & skf18("10","2","7","5","3","7","1") = "9"
    & skf18("10","2","7","5","3","8","1") = "9"
    & skf18("10","2","7","5","3","9","1") = "9"
    & skf18("10","2","7","5","3","10","1") = "9"
    & skf18("10","2","7","5","4","1","1") = "9"
    & skf18("10","2","7","5","4","2","1") = "9"
    & skf18("10","2","7","5","4","3","1") = "9"
    & skf18("10","2","7","5","4","4","1") = "9"
    & skf18("10","2","7","5","4","5","1") = "9"
    & skf18("10","2","7","5","4","6","1") = "9"
    & skf18("10","2","7","5","4","7","1") = "9"
    & skf18("10","2","7","5","4","8","1") = "9"
    & skf18("10","2","7","5","4","9","1") = "9"
    & skf18("10","2","7","5","4","10","1") = "9"
    & skf18("10","2","7","5","5","1","1") = "9"
    & skf18("10","2","7","5","5","2","1") = "9"
    & skf18("10","2","7","5","5","3","1") = "9"
    & skf18("10","2","7","5","5","4","1") = "9"
    & skf18("10","2","7","5","5","5","1") = "9"
    & skf18("10","2","7","5","5","6","1") = "9"
    & skf18("10","2","7","5","5","7","1") = "9"
    & skf18("10","2","7","5","5","8","1") = "9"
    & skf18("10","2","7","5","5","9","1") = "9"
    & skf18("10","2","7","5","5","10","1") = "9"
    & skf18("10","2","7","5","6","1","1") = "9"
    & skf18("10","2","7","5","6","2","1") = "9"
    & skf18("10","2","7","5","6","3","1") = "9"
    & skf18("10","2","7","5","6","4","1") = "9"
    & skf18("10","2","7","5","6","5","1") = "9"
    & skf18("10","2","7","5","6","6","1") = "9"
    & skf18("10","2","7","5","6","7","1") = "9"
    & skf18("10","2","7","5","6","8","1") = "9"
    & skf18("10","2","7","5","6","9","1") = "9"
    & skf18("10","2","7","5","6","10","1") = "9"
    & skf18("10","2","7","5","7","1","1") = "9"
    & skf18("10","2","7","5","7","2","1") = "9"
    & skf18("10","2","7","5","7","3","1") = "9"
    & skf18("10","2","7","5","7","4","1") = "9"
    & skf18("10","2","7","5","7","5","1") = "9"
    & skf18("10","2","7","5","7","6","1") = "9"
    & skf18("10","2","7","5","7","7","1") = "9"
    & skf18("10","2","7","5","7","8","1") = "9"
    & skf18("10","2","7","5","7","9","1") = "9"
    & skf18("10","2","7","5","7","10","1") = "9"
    & skf18("10","2","7","5","8","1","1") = "9"
    & skf18("10","2","7","5","8","2","1") = "9"
    & skf18("10","2","7","5","8","3","1") = "9"
    & skf18("10","2","7","5","8","4","1") = "9"
    & skf18("10","2","7","5","8","5","1") = "9"
    & skf18("10","2","7","5","8","6","1") = "9"
    & skf18("10","2","7","5","8","7","1") = "9"
    & skf18("10","2","7","5","8","8","1") = "9"
    & skf18("10","2","7","5","8","9","1") = "9"
    & skf18("10","2","7","5","8","10","1") = "9"
    & skf18("10","2","7","5","9","1","1") = "9"
    & skf18("10","2","7","5","9","2","1") = "9"
    & skf18("10","2","7","5","9","3","1") = "9"
    & skf18("10","2","7","5","9","4","1") = "9"
    & skf18("10","2","7","5","9","5","1") = "9"
    & skf18("10","2","7","5","9","6","1") = "9"
    & skf18("10","2","7","5","9","7","1") = "9"
    & skf18("10","2","7","5","9","8","1") = "9"
    & skf18("10","2","7","5","9","9","1") = "9"
    & skf18("10","2","7","5","9","10","1") = "9"
    & skf18("10","2","7","5","10","1","1") = "9"
    & skf18("10","2","7","5","10","2","1") = "9"
    & skf18("10","2","7","5","10","3","1") = "9"
    & skf18("10","2","7","5","10","4","1") = "9"
    & skf18("10","2","7","5","10","5","1") = "9"
    & skf18("10","2","7","5","10","6","1") = "9"
    & skf18("10","2","7","5","10","7","1") = "9"
    & skf18("10","2","7","5","10","8","1") = "9"
    & skf18("10","2","7","5","10","9","1") = "9"
    & skf18("10","2","7","5","10","10","1") = "9"
    & skf18("10","2","7","6","1","1","1") = "9"
    & skf18("10","2","7","6","1","2","1") = "9"
    & skf18("10","2","7","6","1","3","1") = "9"
    & skf18("10","2","7","6","1","4","1") = "9"
    & skf18("10","2","7","6","1","5","1") = "9"
    & skf18("10","2","7","6","1","6","1") = "9"
    & skf18("10","2","7","6","1","7","1") = "9"
    & skf18("10","2","7","6","1","8","1") = "9"
    & skf18("10","2","7","6","1","9","1") = "9"
    & skf18("10","2","7","6","1","10","1") = "9"
    & skf18("10","2","7","6","2","1","1") = "9"
    & skf18("10","2","7","6","2","2","1") = "9"
    & skf18("10","2","7","6","2","3","1") = "9"
    & skf18("10","2","7","6","2","4","1") = "9"
    & skf18("10","2","7","6","2","5","1") = "9"
    & skf18("10","2","7","6","2","6","1") = "9"
    & skf18("10","2","7","6","2","7","1") = "9"
    & skf18("10","2","7","6","2","8","1") = "9"
    & skf18("10","2","7","6","2","9","1") = "9"
    & skf18("10","2","7","6","2","10","1") = "9"
    & skf18("10","2","7","6","3","1","1") = "9"
    & skf18("10","2","7","6","3","2","1") = "9"
    & skf18("10","2","7","6","3","3","1") = "9"
    & skf18("10","2","7","6","3","4","1") = "9"
    & skf18("10","2","7","6","3","5","1") = "9"
    & skf18("10","2","7","6","3","6","1") = "9"
    & skf18("10","2","7","6","3","7","1") = "9"
    & skf18("10","2","7","6","3","8","1") = "9"
    & skf18("10","2","7","6","3","9","1") = "9"
    & skf18("10","2","7","6","3","10","1") = "9"
    & skf18("10","2","7","6","4","1","1") = "9"
    & skf18("10","2","7","6","4","2","1") = "9"
    & skf18("10","2","7","6","4","3","1") = "9"
    & skf18("10","2","7","6","4","4","1") = "9"
    & skf18("10","2","7","6","4","5","1") = "9"
    & skf18("10","2","7","6","4","6","1") = "9"
    & skf18("10","2","7","6","4","7","1") = "9"
    & skf18("10","2","7","6","4","8","1") = "9"
    & skf18("10","2","7","6","4","9","1") = "9"
    & skf18("10","2","7","6","4","10","1") = "9"
    & skf18("10","2","7","6","5","1","1") = "9"
    & skf18("10","2","7","6","5","2","1") = "9"
    & skf18("10","2","7","6","5","3","1") = "9"
    & skf18("10","2","7","6","5","4","1") = "9"
    & skf18("10","2","7","6","5","5","1") = "9"
    & skf18("10","2","7","6","5","6","1") = "9"
    & skf18("10","2","7","6","5","7","1") = "9"
    & skf18("10","2","7","6","5","8","1") = "9"
    & skf18("10","2","7","6","5","9","1") = "9"
    & skf18("10","2","7","6","5","10","1") = "9"
    & skf18("10","2","7","6","6","1","1") = "9"
    & skf18("10","2","7","6","6","2","1") = "9"
    & skf18("10","2","7","6","6","3","1") = "9"
    & skf18("10","2","7","6","6","4","1") = "9"
    & skf18("10","2","7","6","6","5","1") = "9"
    & skf18("10","2","7","6","6","6","1") = "9"
    & skf18("10","2","7","6","6","7","1") = "9"
    & skf18("10","2","7","6","6","8","1") = "9"
    & skf18("10","2","7","6","6","9","1") = "9"
    & skf18("10","2","7","6","6","10","1") = "9"
    & skf18("10","2","7","6","7","1","1") = "9"
    & skf18("10","2","7","6","7","2","1") = "9"
    & skf18("10","2","7","6","7","3","1") = "9"
    & skf18("10","2","7","6","7","4","1") = "9"
    & skf18("10","2","7","6","7","5","1") = "9"
    & skf18("10","2","7","6","7","6","1") = "9"
    & skf18("10","2","7","6","7","7","1") = "9"
    & skf18("10","2","7","6","7","8","1") = "9"
    & skf18("10","2","7","6","7","9","1") = "9"
    & skf18("10","2","7","6","7","10","1") = "9"
    & skf18("10","2","7","6","8","1","1") = "9"
    & skf18("10","2","7","6","8","2","1") = "9"
    & skf18("10","2","7","6","8","3","1") = "9"
    & skf18("10","2","7","6","8","4","1") = "9"
    & skf18("10","2","7","6","8","5","1") = "9"
    & skf18("10","2","7","6","8","6","1") = "9"
    & skf18("10","2","7","6","8","7","1") = "9"
    & skf18("10","2","7","6","8","8","1") = "9"
    & skf18("10","2","7","6","8","9","1") = "9"
    & skf18("10","2","7","6","8","10","1") = "9"
    & skf18("10","2","7","6","9","1","1") = "9"
    & skf18("10","2","7","6","9","2","1") = "9"
    & skf18("10","2","7","6","9","3","1") = "9"
    & skf18("10","2","7","6","9","4","1") = "9"
    & skf18("10","2","7","6","9","5","1") = "9"
    & skf18("10","2","7","6","9","6","1") = "9"
    & skf18("10","2","7","6","9","7","1") = "9"
    & skf18("10","2","7","6","9","8","1") = "9"
    & skf18("10","2","7","6","9","9","1") = "9"
    & skf18("10","2","7","6","9","10","1") = "9"
    & skf18("10","2","7","6","10","1","1") = "9"
    & skf18("10","2","7","6","10","2","1") = "9"
    & skf18("10","2","7","6","10","3","1") = "9"
    & skf18("10","2","7","6","10","4","1") = "9"
    & skf18("10","2","7","6","10","5","1") = "9"
    & skf18("10","2","7","6","10","6","1") = "9"
    & skf18("10","2","7","6","10","7","1") = "9"
    & skf18("10","2","7","6","10","8","1") = "9"
    & skf18("10","2","7","6","10","9","1") = "9"
    & skf18("10","2","7","6","10","10","1") = "9"
    & skf18("10","2","7","7","1","1","1") = "9"
    & skf18("10","2","7","7","1","2","1") = "9"
    & skf18("10","2","7","7","1","3","1") = "9"
    & skf18("10","2","7","7","1","4","1") = "9"
    & skf18("10","2","7","7","1","5","1") = "9"
    & skf18("10","2","7","7","1","6","1") = "9"
    & skf18("10","2","7","7","1","7","1") = "9"
    & skf18("10","2","7","7","1","8","1") = "9"
    & skf18("10","2","7","7","1","9","1") = "9"
    & skf18("10","2","7","7","1","10","1") = "9"
    & skf18("10","2","7","7","2","1","1") = "9"
    & skf18("10","2","7","7","2","2","1") = "9"
    & skf18("10","2","7","7","2","3","1") = "9"
    & skf18("10","2","7","7","2","4","1") = "9"
    & skf18("10","2","7","7","2","5","1") = "9"
    & skf18("10","2","7","7","2","6","1") = "9"
    & skf18("10","2","7","7","2","7","1") = "9"
    & skf18("10","2","7","7","2","8","1") = "9"
    & skf18("10","2","7","7","2","9","1") = "9"
    & skf18("10","2","7","7","2","10","1") = "9"
    & skf18("10","2","7","7","3","1","1") = "9"
    & skf18("10","2","7","7","3","2","1") = "9"
    & skf18("10","2","7","7","3","3","1") = "9"
    & skf18("10","2","7","7","3","4","1") = "9"
    & skf18("10","2","7","7","3","5","1") = "9"
    & skf18("10","2","7","7","3","6","1") = "9"
    & skf18("10","2","7","7","3","7","1") = "9"
    & skf18("10","2","7","7","3","8","1") = "9"
    & skf18("10","2","7","7","3","9","1") = "9"
    & skf18("10","2","7","7","3","10","1") = "9"
    & skf18("10","2","7","7","4","1","1") = "9"
    & skf18("10","2","7","7","4","2","1") = "9"
    & skf18("10","2","7","7","4","3","1") = "9"
    & skf18("10","2","7","7","4","4","1") = "9"
    & skf18("10","2","7","7","4","5","1") = "9"
    & skf18("10","2","7","7","4","6","1") = "9"
    & skf18("10","2","7","7","4","7","1") = "9"
    & skf18("10","2","7","7","4","8","1") = "9"
    & skf18("10","2","7","7","4","9","1") = "9"
    & skf18("10","2","7","7","4","10","1") = "9"
    & skf18("10","2","7","7","5","1","1") = "9"
    & skf18("10","2","7","7","5","2","1") = "9"
    & skf18("10","2","7","7","5","3","1") = "9"
    & skf18("10","2","7","7","5","4","1") = "9"
    & skf18("10","2","7","7","5","5","1") = "9"
    & skf18("10","2","7","7","5","6","1") = "9"
    & skf18("10","2","7","7","5","7","1") = "9"
    & skf18("10","2","7","7","5","8","1") = "9"
    & skf18("10","2","7","7","5","9","1") = "9"
    & skf18("10","2","7","7","5","10","1") = "9"
    & skf18("10","2","7","7","6","1","1") = "9"
    & skf18("10","2","7","7","6","2","1") = "9"
    & skf18("10","2","7","7","6","3","1") = "9"
    & skf18("10","2","7","7","6","4","1") = "9"
    & skf18("10","2","7","7","6","5","1") = "9"
    & skf18("10","2","7","7","6","6","1") = "9"
    & skf18("10","2","7","7","6","7","1") = "9"
    & skf18("10","2","7","7","6","8","1") = "9"
    & skf18("10","2","7","7","6","9","1") = "9"
    & skf18("10","2","7","7","6","10","1") = "9"
    & skf18("10","2","7","7","7","1","1") = "9"
    & skf18("10","2","7","7","7","2","1") = "9"
    & skf18("10","2","7","7","7","3","1") = "9"
    & skf18("10","2","7","7","7","4","1") = "9"
    & skf18("10","2","7","7","7","5","1") = "9"
    & skf18("10","2","7","7","7","6","1") = "9"
    & skf18("10","2","7","7","7","7","1") = "9"
    & skf18("10","2","7","7","7","8","1") = "9"
    & skf18("10","2","7","7","7","9","1") = "9"
    & skf18("10","2","7","7","7","10","1") = "9"
    & skf18("10","2","7","7","8","1","1") = "9"
    & skf18("10","2","7","7","8","2","1") = "9"
    & skf18("10","2","7","7","8","3","1") = "9"
    & skf18("10","2","7","7","8","4","1") = "9"
    & skf18("10","2","7","7","8","5","1") = "9"
    & skf18("10","2","7","7","8","6","1") = "9"
    & skf18("10","2","7","7","8","7","1") = "9"
    & skf18("10","2","7","7","8","8","1") = "9"
    & skf18("10","2","7","7","8","9","1") = "9"
    & skf18("10","2","7","7","8","10","1") = "9"
    & skf18("10","2","7","7","9","1","1") = "9"
    & skf18("10","2","7","7","9","2","1") = "9"
    & skf18("10","2","7","7","9","3","1") = "9"
    & skf18("10","2","7","7","9","4","1") = "9"
    & skf18("10","2","7","7","9","5","1") = "9"
    & skf18("10","2","7","7","9","6","1") = "9"
    & skf18("10","2","7","7","9","7","1") = "9"
    & skf18("10","2","7","7","9","8","1") = "9"
    & skf18("10","2","7","7","9","9","1") = "9"
    & skf18("10","2","7","7","9","10","1") = "9"
    & skf18("10","2","7","7","10","1","1") = "9"
    & skf18("10","2","7","7","10","2","1") = "9"
    & skf18("10","2","7","7","10","3","1") = "9"
    & skf18("10","2","7","7","10","4","1") = "9"
    & skf18("10","2","7","7","10","5","1") = "9"
    & skf18("10","2","7","7","10","6","1") = "9"
    & skf18("10","2","7","7","10","7","1") = "9"
    & skf18("10","2","7","7","10","8","1") = "9"
    & skf18("10","2","7","7","10","9","1") = "9"
    & skf18("10","2","7","7","10","10","1") = "9"
    & skf18("10","2","7","8","1","1","1") = "9"
    & skf18("10","2","7","8","1","2","1") = "9"
    & skf18("10","2","7","8","1","3","1") = "9"
    & skf18("10","2","7","8","1","4","1") = "9"
    & skf18("10","2","7","8","1","5","1") = "9"
    & skf18("10","2","7","8","1","6","1") = "9"
    & skf18("10","2","7","8","1","7","1") = "9"
    & skf18("10","2","7","8","1","8","1") = "9"
    & skf18("10","2","7","8","1","9","1") = "9"
    & skf18("10","2","7","8","1","10","1") = "9"
    & skf18("10","2","7","8","2","1","1") = "9"
    & skf18("10","2","7","8","2","2","1") = "9"
    & skf18("10","2","7","8","2","3","1") = "9"
    & skf18("10","2","7","8","2","4","1") = "9"
    & skf18("10","2","7","8","2","5","1") = "9"
    & skf18("10","2","7","8","2","6","1") = "9"
    & skf18("10","2","7","8","2","7","1") = "9"
    & skf18("10","2","7","8","2","8","1") = "9"
    & skf18("10","2","7","8","2","9","1") = "9"
    & skf18("10","2","7","8","2","10","1") = "9"
    & skf18("10","2","7","8","3","1","1") = "9"
    & skf18("10","2","7","8","3","2","1") = "9"
    & skf18("10","2","7","8","3","3","1") = "9"
    & skf18("10","2","7","8","3","4","1") = "9"
    & skf18("10","2","7","8","3","5","1") = "9"
    & skf18("10","2","7","8","3","6","1") = "9"
    & skf18("10","2","7","8","3","7","1") = "9"
    & skf18("10","2","7","8","3","8","1") = "9"
    & skf18("10","2","7","8","3","9","1") = "9"
    & skf18("10","2","7","8","3","10","1") = "9"
    & skf18("10","2","7","8","4","1","1") = "9"
    & skf18("10","2","7","8","4","2","1") = "9"
    & skf18("10","2","7","8","4","3","1") = "9"
    & skf18("10","2","7","8","4","4","1") = "9"
    & skf18("10","2","7","8","4","5","1") = "9"
    & skf18("10","2","7","8","4","6","1") = "9"
    & skf18("10","2","7","8","4","7","1") = "9"
    & skf18("10","2","7","8","4","8","1") = "9"
    & skf18("10","2","7","8","4","9","1") = "9"
    & skf18("10","2","7","8","4","10","1") = "9"
    & skf18("10","2","7","8","5","1","1") = "9"
    & skf18("10","2","7","8","5","2","1") = "9"
    & skf18("10","2","7","8","5","3","1") = "9"
    & skf18("10","2","7","8","5","4","1") = "9"
    & skf18("10","2","7","8","5","5","1") = "9"
    & skf18("10","2","7","8","5","6","1") = "9"
    & skf18("10","2","7","8","5","7","1") = "9"
    & skf18("10","2","7","8","5","8","1") = "9"
    & skf18("10","2","7","8","5","9","1") = "9"
    & skf18("10","2","7","8","5","10","1") = "9"
    & skf18("10","2","7","8","6","1","1") = "9"
    & skf18("10","2","7","8","6","2","1") = "9"
    & skf18("10","2","7","8","6","3","1") = "9"
    & skf18("10","2","7","8","6","4","1") = "9"
    & skf18("10","2","7","8","6","5","1") = "9"
    & skf18("10","2","7","8","6","6","1") = "9"
    & skf18("10","2","7","8","6","7","1") = "9"
    & skf18("10","2","7","8","6","8","1") = "9"
    & skf18("10","2","7","8","6","9","1") = "9"
    & skf18("10","2","7","8","6","10","1") = "9"
    & skf18("10","2","7","8","7","1","1") = "9"
    & skf18("10","2","7","8","7","2","1") = "9"
    & skf18("10","2","7","8","7","3","1") = "9"
    & skf18("10","2","7","8","7","4","1") = "9"
    & skf18("10","2","7","8","7","5","1") = "9"
    & skf18("10","2","7","8","7","6","1") = "9"
    & skf18("10","2","7","8","7","7","1") = "9"
    & skf18("10","2","7","8","7","8","1") = "9"
    & skf18("10","2","7","8","7","9","1") = "9"
    & skf18("10","2","7","8","7","10","1") = "9"
    & skf18("10","2","7","8","8","1","1") = "9"
    & skf18("10","2","7","8","8","2","1") = "9"
    & skf18("10","2","7","8","8","3","1") = "9"
    & skf18("10","2","7","8","8","4","1") = "9"
    & skf18("10","2","7","8","8","5","1") = "9"
    & skf18("10","2","7","8","8","6","1") = "9"
    & skf18("10","2","7","8","8","7","1") = "9"
    & skf18("10","2","7","8","8","8","1") = "9"
    & skf18("10","2","7","8","8","9","1") = "9"
    & skf18("10","2","7","8","8","10","1") = "9"
    & skf18("10","2","7","8","9","1","1") = "9"
    & skf18("10","2","7","8","9","2","1") = "9"
    & skf18("10","2","7","8","9","3","1") = "9"
    & skf18("10","2","7","8","9","4","1") = "9"
    & skf18("10","2","7","8","9","5","1") = "9"
    & skf18("10","2","7","8","9","6","1") = "9"
    & skf18("10","2","7","8","9","7","1") = "9"
    & skf18("10","2","7","8","9","8","1") = "9"
    & skf18("10","2","7","8","9","9","1") = "9"
    & skf18("10","2","7","8","9","10","1") = "9"
    & skf18("10","2","7","8","10","1","1") = "9"
    & skf18("10","2","7","8","10","2","1") = "9"
    & skf18("10","2","7","8","10","3","1") = "9"
    & skf18("10","2","7","8","10","4","1") = "9"
    & skf18("10","2","7","8","10","5","1") = "9"
    & skf18("10","2","7","8","10","6","1") = "9"
    & skf18("10","2","7","8","10","7","1") = "9"
    & skf18("10","2","7","8","10","8","1") = "9"
    & skf18("10","2","7","8","10","9","1") = "9"
    & skf18("10","2","7","8","10","10","1") = "9"
    & skf18("10","2","7","9","1","1","1") = "9"
    & skf18("10","2","7","9","1","2","1") = "9"
    & skf18("10","2","7","9","1","3","1") = "9"
    & skf18("10","2","7","9","1","4","1") = "9"
    & skf18("10","2","7","9","1","5","1") = "9"
    & skf18("10","2","7","9","1","6","1") = "9"
    & skf18("10","2","7","9","1","7","1") = "9"
    & skf18("10","2","7","9","1","8","1") = "9"
    & skf18("10","2","7","9","1","9","1") = "9"
    & skf18("10","2","7","9","1","10","1") = "9"
    & skf18("10","2","7","9","2","1","1") = "9"
    & skf18("10","2","7","9","2","2","1") = "9"
    & skf18("10","2","7","9","2","3","1") = "9"
    & skf18("10","2","7","9","2","4","1") = "9"
    & skf18("10","2","7","9","2","5","1") = "9"
    & skf18("10","2","7","9","2","6","1") = "9"
    & skf18("10","2","7","9","2","7","1") = "9"
    & skf18("10","2","7","9","2","8","1") = "9"
    & skf18("10","2","7","9","2","9","1") = "9"
    & skf18("10","2","7","9","2","10","1") = "9"
    & skf18("10","2","7","9","3","1","1") = "9"
    & skf18("10","2","7","9","3","2","1") = "9"
    & skf18("10","2","7","9","3","3","1") = "9"
    & skf18("10","2","7","9","3","4","1") = "9"
    & skf18("10","2","7","9","3","5","1") = "9"
    & skf18("10","2","7","9","3","6","1") = "9"
    & skf18("10","2","7","9","3","7","1") = "9"
    & skf18("10","2","7","9","3","8","1") = "9"
    & skf18("10","2","7","9","3","9","1") = "9"
    & skf18("10","2","7","9","3","10","1") = "9"
    & skf18("10","2","7","9","4","1","1") = "9"
    & skf18("10","2","7","9","4","2","1") = "9"
    & skf18("10","2","7","9","4","3","1") = "9"
    & skf18("10","2","7","9","4","4","1") = "9"
    & skf18("10","2","7","9","4","5","1") = "9"
    & skf18("10","2","7","9","4","6","1") = "9"
    & skf18("10","2","7","9","4","7","1") = "9"
    & skf18("10","2","7","9","4","8","1") = "9"
    & skf18("10","2","7","9","4","9","1") = "9"
    & skf18("10","2","7","9","4","10","1") = "9"
    & skf18("10","2","7","9","5","1","1") = "9"
    & skf18("10","2","7","9","5","2","1") = "9"
    & skf18("10","2","7","9","5","3","1") = "9"
    & skf18("10","2","7","9","5","4","1") = "9"
    & skf18("10","2","7","9","5","5","1") = "9"
    & skf18("10","2","7","9","5","6","1") = "9"
    & skf18("10","2","7","9","5","7","1") = "9"
    & skf18("10","2","7","9","5","8","1") = "9"
    & skf18("10","2","7","9","5","9","1") = "9"
    & skf18("10","2","7","9","5","10","1") = "9"
    & skf18("10","2","7","9","6","1","1") = "9"
    & skf18("10","2","7","9","6","2","1") = "9"
    & skf18("10","2","7","9","6","3","1") = "9"
    & skf18("10","2","7","9","6","4","1") = "9"
    & skf18("10","2","7","9","6","5","1") = "9"
    & skf18("10","2","7","9","6","6","1") = "9"
    & skf18("10","2","7","9","6","7","1") = "9"
    & skf18("10","2","7","9","6","8","1") = "9"
    & skf18("10","2","7","9","6","9","1") = "9"
    & skf18("10","2","7","9","6","10","1") = "9"
    & skf18("10","2","7","9","7","1","1") = "9"
    & skf18("10","2","7","9","7","2","1") = "9"
    & skf18("10","2","7","9","7","3","1") = "9"
    & skf18("10","2","7","9","7","4","1") = "9"
    & skf18("10","2","7","9","7","5","1") = "9"
    & skf18("10","2","7","9","7","6","1") = "9"
    & skf18("10","2","7","9","7","7","1") = "9"
    & skf18("10","2","7","9","7","8","1") = "9"
    & skf18("10","2","7","9","7","9","1") = "9"
    & skf18("10","2","7","9","7","10","1") = "9"
    & skf18("10","2","7","9","8","1","1") = "9"
    & skf18("10","2","7","9","8","2","1") = "9"
    & skf18("10","2","7","9","8","3","1") = "9"
    & skf18("10","2","7","9","8","4","1") = "9"
    & skf18("10","2","7","9","8","5","1") = "9"
    & skf18("10","2","7","9","8","6","1") = "9"
    & skf18("10","2","7","9","8","7","1") = "9"
    & skf18("10","2","7","9","8","8","1") = "9"
    & skf18("10","2","7","9","8","9","1") = "9"
    & skf18("10","2","7","9","8","10","1") = "9"
    & skf18("10","2","7","9","9","1","1") = "9"
    & skf18("10","2","7","9","9","2","1") = "9"
    & skf18("10","2","7","9","9","3","1") = "9"
    & skf18("10","2","7","9","9","4","1") = "9"
    & skf18("10","2","7","9","9","5","1") = "9"
    & skf18("10","2","7","9","9","6","1") = "9"
    & skf18("10","2","7","9","9","7","1") = "9"
    & skf18("10","2","7","9","9","8","1") = "9"
    & skf18("10","2","7","9","9","9","1") = "9"
    & skf18("10","2","7","9","9","10","1") = "9"
    & skf18("10","2","7","9","10","1","1") = "9"
    & skf18("10","2","7","9","10","2","1") = "9"
    & skf18("10","2","7","9","10","3","1") = "9"
    & skf18("10","2","7","9","10","4","1") = "9"
    & skf18("10","2","7","9","10","5","1") = "9"
    & skf18("10","2","7","9","10","6","1") = "9"
    & skf18("10","2","7","9","10","7","1") = "9"
    & skf18("10","2","7","9","10","8","1") = "9"
    & skf18("10","2","7","9","10","9","1") = "9"
    & skf18("10","2","7","9","10","10","1") = "9"
    & skf18("10","2","7","10","1","1","1") = "9"
    & skf18("10","2","7","10","1","2","1") = "9"
    & skf18("10","2","7","10","1","3","1") = "9"
    & skf18("10","2","7","10","1","4","1") = "9"
    & skf18("10","2","7","10","1","5","1") = "9"
    & skf18("10","2","7","10","1","6","1") = "9"
    & skf18("10","2","7","10","1","7","1") = "9"
    & skf18("10","2","7","10","1","8","1") = "9"
    & skf18("10","2","7","10","1","9","1") = "9"
    & skf18("10","2","7","10","1","10","1") = "9"
    & skf18("10","2","7","10","2","1","1") = "9"
    & skf18("10","2","7","10","2","2","1") = "9"
    & skf18("10","2","7","10","2","3","1") = "9"
    & skf18("10","2","7","10","2","4","1") = "9"
    & skf18("10","2","7","10","2","5","1") = "9"
    & skf18("10","2","7","10","2","6","1") = "9"
    & skf18("10","2","7","10","2","7","1") = "9"
    & skf18("10","2","7","10","2","8","1") = "9"
    & skf18("10","2","7","10","2","9","1") = "9"
    & skf18("10","2","7","10","2","10","1") = "9"
    & skf18("10","2","7","10","3","1","1") = "9"
    & skf18("10","2","7","10","3","2","1") = "9"
    & skf18("10","2","7","10","3","3","1") = "9"
    & skf18("10","2","7","10","3","4","1") = "9"
    & skf18("10","2","7","10","3","5","1") = "9"
    & skf18("10","2","7","10","3","6","1") = "9"
    & skf18("10","2","7","10","3","7","1") = "9"
    & skf18("10","2","7","10","3","8","1") = "9"
    & skf18("10","2","7","10","3","9","1") = "9"
    & skf18("10","2","7","10","3","10","1") = "9"
    & skf18("10","2","7","10","4","1","1") = "9"
    & skf18("10","2","7","10","4","2","1") = "9"
    & skf18("10","2","7","10","4","3","1") = "9"
    & skf18("10","2","7","10","4","4","1") = "9"
    & skf18("10","2","7","10","4","5","1") = "9"
    & skf18("10","2","7","10","4","6","1") = "9"
    & skf18("10","2","7","10","4","7","1") = "9"
    & skf18("10","2","7","10","4","8","1") = "9"
    & skf18("10","2","7","10","4","9","1") = "9"
    & skf18("10","2","7","10","4","10","1") = "9"
    & skf18("10","2","7","10","5","1","1") = "9"
    & skf18("10","2","7","10","5","2","1") = "9"
    & skf18("10","2","7","10","5","3","1") = "9"
    & skf18("10","2","7","10","5","4","1") = "9"
    & skf18("10","2","7","10","5","5","1") = "9"
    & skf18("10","2","7","10","5","6","1") = "9"
    & skf18("10","2","7","10","5","7","1") = "9"
    & skf18("10","2","7","10","5","8","1") = "9"
    & skf18("10","2","7","10","5","9","1") = "9"
    & skf18("10","2","7","10","5","10","1") = "9"
    & skf18("10","2","7","10","6","1","1") = "9"
    & skf18("10","2","7","10","6","2","1") = "9"
    & skf18("10","2","7","10","6","3","1") = "9"
    & skf18("10","2","7","10","6","4","1") = "9"
    & skf18("10","2","7","10","6","5","1") = "9"
    & skf18("10","2","7","10","6","6","1") = "9"
    & skf18("10","2","7","10","6","7","1") = "9"
    & skf18("10","2","7","10","6","8","1") = "9"
    & skf18("10","2","7","10","6","9","1") = "9"
    & skf18("10","2","7","10","6","10","1") = "9"
    & skf18("10","2","7","10","7","1","1") = "9"
    & skf18("10","2","7","10","7","2","1") = "9"
    & skf18("10","2","7","10","7","3","1") = "9"
    & skf18("10","2","7","10","7","4","1") = "9"
    & skf18("10","2","7","10","7","5","1") = "9"
    & skf18("10","2","7","10","7","6","1") = "9"
    & skf18("10","2","7","10","7","7","1") = "9"
    & skf18("10","2","7","10","7","8","1") = "9"
    & skf18("10","2","7","10","7","9","1") = "9"
    & skf18("10","2","7","10","7","10","1") = "9"
    & skf18("10","2","7","10","8","1","1") = "9"
    & skf18("10","2","7","10","8","2","1") = "9"
    & skf18("10","2","7","10","8","3","1") = "9"
    & skf18("10","2","7","10","8","4","1") = "9"
    & skf18("10","2","7","10","8","5","1") = "9"
    & skf18("10","2","7","10","8","6","1") = "9"
    & skf18("10","2","7","10","8","7","1") = "9"
    & skf18("10","2","7","10","8","8","1") = "9"
    & skf18("10","2","7","10","8","9","1") = "9"
    & skf18("10","2","7","10","8","10","1") = "9"
    & skf18("10","2","7","10","9","1","1") = "9"
    & skf18("10","2","7","10","9","2","1") = "9"
    & skf18("10","2","7","10","9","3","1") = "9"
    & skf18("10","2","7","10","9","4","1") = "9"
    & skf18("10","2","7","10","9","5","1") = "9"
    & skf18("10","2","7","10","9","6","1") = "9"
    & skf18("10","2","7","10","9","7","1") = "9"
    & skf18("10","2","7","10","9","8","1") = "9"
    & skf18("10","2","7","10","9","9","1") = "9"
    & skf18("10","2","7","10","9","10","1") = "9"
    & skf18("10","2","7","10","10","1","1") = "9"
    & skf18("10","2","7","10","10","2","1") = "9"
    & skf18("10","2","7","10","10","3","1") = "9"
    & skf18("10","2","7","10","10","4","1") = "9"
    & skf18("10","2","7","10","10","5","1") = "9"
    & skf18("10","2","7","10","10","6","1") = "9"
    & skf18("10","2","7","10","10","7","1") = "9"
    & skf18("10","2","7","10","10","8","1") = "9"
    & skf18("10","2","7","10","10","9","1") = "9"
    & skf18("10","2","7","10","10","10","1") = "9"
    & skf18("10","2","8","1","1","1","1") = "9"
    & skf18("10","2","8","1","1","2","1") = "9"
    & skf18("10","2","8","1","1","3","1") = "9"
    & skf18("10","2","8","1","1","4","1") = "9"
    & skf18("10","2","8","1","1","5","1") = "9"
    & skf18("10","2","8","1","1","6","1") = "9"
    & skf18("10","2","8","1","1","7","1") = "9"
    & skf18("10","2","8","1","1","8","1") = "9"
    & skf18("10","2","8","1","1","9","1") = "9"
    & skf18("10","2","8","1","1","10","1") = "9"
    & skf18("10","2","8","1","2","1","1") = "9"
    & skf18("10","2","8","1","2","2","1") = "9"
    & skf18("10","2","8","1","2","3","1") = "9"
    & skf18("10","2","8","1","2","4","1") = "9"
    & skf18("10","2","8","1","2","5","1") = "9"
    & skf18("10","2","8","1","2","6","1") = "9"
    & skf18("10","2","8","1","2","7","1") = "9"
    & skf18("10","2","8","1","2","8","1") = "9"
    & skf18("10","2","8","1","2","9","1") = "9"
    & skf18("10","2","8","1","2","10","1") = "9"
    & skf18("10","2","8","1","3","1","1") = "9"
    & skf18("10","2","8","1","3","2","1") = "9"
    & skf18("10","2","8","1","3","3","1") = "9"
    & skf18("10","2","8","1","3","4","1") = "9"
    & skf18("10","2","8","1","3","5","1") = "9"
    & skf18("10","2","8","1","3","6","1") = "9"
    & skf18("10","2","8","1","3","7","1") = "9"
    & skf18("10","2","8","1","3","8","1") = "9"
    & skf18("10","2","8","1","3","9","1") = "9"
    & skf18("10","2","8","1","3","10","1") = "9"
    & skf18("10","2","8","1","4","1","1") = "9"
    & skf18("10","2","8","1","4","2","1") = "9"
    & skf18("10","2","8","1","4","3","1") = "9"
    & skf18("10","2","8","1","4","4","1") = "9"
    & skf18("10","2","8","1","4","5","1") = "9"
    & skf18("10","2","8","1","4","6","1") = "9"
    & skf18("10","2","8","1","4","7","1") = "9"
    & skf18("10","2","8","1","4","8","1") = "9"
    & skf18("10","2","8","1","4","9","1") = "9"
    & skf18("10","2","8","1","4","10","1") = "9"
    & skf18("10","2","8","1","5","1","1") = "9"
    & skf18("10","2","8","1","5","2","1") = "9"
    & skf18("10","2","8","1","5","3","1") = "9"
    & skf18("10","2","8","1","5","4","1") = "9"
    & skf18("10","2","8","1","5","5","1") = "9"
    & skf18("10","2","8","1","5","6","1") = "9"
    & skf18("10","2","8","1","5","7","1") = "9"
    & skf18("10","2","8","1","5","8","1") = "9"
    & skf18("10","2","8","1","5","9","1") = "9"
    & skf18("10","2","8","1","5","10","1") = "9"
    & skf18("10","2","8","1","6","1","1") = "9"
    & skf18("10","2","8","1","6","2","1") = "9"
    & skf18("10","2","8","1","6","3","1") = "9"
    & skf18("10","2","8","1","6","4","1") = "9"
    & skf18("10","2","8","1","6","5","1") = "9"
    & skf18("10","2","8","1","6","6","1") = "9"
    & skf18("10","2","8","1","6","7","1") = "9"
    & skf18("10","2","8","1","6","8","1") = "9"
    & skf18("10","2","8","1","6","9","1") = "9"
    & skf18("10","2","8","1","6","10","1") = "9"
    & skf18("10","2","8","1","7","1","1") = "9"
    & skf18("10","2","8","1","7","2","1") = "9"
    & skf18("10","2","8","1","7","3","1") = "9"
    & skf18("10","2","8","1","7","4","1") = "9"
    & skf18("10","2","8","1","7","5","1") = "9"
    & skf18("10","2","8","1","7","6","1") = "9"
    & skf18("10","2","8","1","7","7","1") = "9"
    & skf18("10","2","8","1","7","8","1") = "9"
    & skf18("10","2","8","1","7","9","1") = "9"
    & skf18("10","2","8","1","7","10","1") = "9"
    & skf18("10","2","8","1","8","1","1") = "9"
    & skf18("10","2","8","1","8","2","1") = "9"
    & skf18("10","2","8","1","8","3","1") = "9"
    & skf18("10","2","8","1","8","4","1") = "9"
    & skf18("10","2","8","1","8","5","1") = "9"
    & skf18("10","2","8","1","8","6","1") = "9"
    & skf18("10","2","8","1","8","7","1") = "9"
    & skf18("10","2","8","1","8","8","1") = "9"
    & skf18("10","2","8","1","8","9","1") = "9"
    & skf18("10","2","8","1","8","10","1") = "9"
    & skf18("10","2","8","1","9","1","1") = "9"
    & skf18("10","2","8","1","9","2","1") = "9"
    & skf18("10","2","8","1","9","3","1") = "9"
    & skf18("10","2","8","1","9","4","1") = "9"
    & skf18("10","2","8","1","9","5","1") = "9"
    & skf18("10","2","8","1","9","6","1") = "9"
    & skf18("10","2","8","1","9","7","1") = "9"
    & skf18("10","2","8","1","9","8","1") = "9"
    & skf18("10","2","8","1","9","9","1") = "9"
    & skf18("10","2","8","1","9","10","1") = "9"
    & skf18("10","2","8","1","10","1","1") = "9"
    & skf18("10","2","8","1","10","2","1") = "9"
    & skf18("10","2","8","1","10","3","1") = "9"
    & skf18("10","2","8","1","10","4","1") = "9"
    & skf18("10","2","8","1","10","5","1") = "9"
    & skf18("10","2","8","1","10","6","1") = "9"
    & skf18("10","2","8","1","10","7","1") = "9"
    & skf18("10","2","8","1","10","8","1") = "9"
    & skf18("10","2","8","1","10","9","1") = "9"
    & skf18("10","2","8","1","10","10","1") = "9"
    & skf18("10","2","8","2","1","1","1") = "9"
    & skf18("10","2","8","2","1","2","1") = "9"
    & skf18("10","2","8","2","1","3","1") = "9"
    & skf18("10","2","8","2","1","4","1") = "9"
    & skf18("10","2","8","2","1","5","1") = "9"
    & skf18("10","2","8","2","1","6","1") = "9"
    & skf18("10","2","8","2","1","7","1") = "9"
    & skf18("10","2","8","2","1","8","1") = "9"
    & skf18("10","2","8","2","1","9","1") = "9"
    & skf18("10","2","8","2","1","10","1") = "9"
    & skf18("10","2","8","2","2","1","1") = "9"
    & skf18("10","2","8","2","2","2","1") = "9"
    & skf18("10","2","8","2","2","3","1") = "9"
    & skf18("10","2","8","2","2","4","1") = "9"
    & skf18("10","2","8","2","2","5","1") = "9"
    & skf18("10","2","8","2","2","6","1") = "9"
    & skf18("10","2","8","2","2","7","1") = "9"
    & skf18("10","2","8","2","2","8","1") = "9"
    & skf18("10","2","8","2","2","9","1") = "9"
    & skf18("10","2","8","2","2","10","1") = "9"
    & skf18("10","2","8","2","3","1","1") = "9"
    & skf18("10","2","8","2","3","2","1") = "9"
    & skf18("10","2","8","2","3","3","1") = "9"
    & skf18("10","2","8","2","3","4","1") = "9"
    & skf18("10","2","8","2","3","5","1") = "9"
    & skf18("10","2","8","2","3","6","1") = "9"
    & skf18("10","2","8","2","3","7","1") = "9"
    & skf18("10","2","8","2","3","8","1") = "9"
    & skf18("10","2","8","2","3","9","1") = "9"
    & skf18("10","2","8","2","3","10","1") = "9"
    & skf18("10","2","8","2","4","1","1") = "9"
    & skf18("10","2","8","2","4","2","1") = "9"
    & skf18("10","2","8","2","4","3","1") = "9"
    & skf18("10","2","8","2","4","4","1") = "9"
    & skf18("10","2","8","2","4","5","1") = "9"
    & skf18("10","2","8","2","4","6","1") = "9"
    & skf18("10","2","8","2","4","7","1") = "9"
    & skf18("10","2","8","2","4","8","1") = "9"
    & skf18("10","2","8","2","4","9","1") = "9"
    & skf18("10","2","8","2","4","10","1") = "9"
    & skf18("10","2","8","2","5","1","1") = "9"
    & skf18("10","2","8","2","5","2","1") = "9"
    & skf18("10","2","8","2","5","3","1") = "9"
    & skf18("10","2","8","2","5","4","1") = "9"
    & skf18("10","2","8","2","5","5","1") = "9"
    & skf18("10","2","8","2","5","6","1") = "9"
    & skf18("10","2","8","2","5","7","1") = "9"
    & skf18("10","2","8","2","5","8","1") = "9"
    & skf18("10","2","8","2","5","9","1") = "9"
    & skf18("10","2","8","2","5","10","1") = "9"
    & skf18("10","2","8","2","6","1","1") = "9"
    & skf18("10","2","8","2","6","2","1") = "9"
    & skf18("10","2","8","2","6","3","1") = "9"
    & skf18("10","2","8","2","6","4","1") = "9"
    & skf18("10","2","8","2","6","5","1") = "9"
    & skf18("10","2","8","2","6","6","1") = "9"
    & skf18("10","2","8","2","6","7","1") = "9"
    & skf18("10","2","8","2","6","8","1") = "9"
    & skf18("10","2","8","2","6","9","1") = "9"
    & skf18("10","2","8","2","6","10","1") = "9"
    & skf18("10","2","8","2","7","1","1") = "9"
    & skf18("10","2","8","2","7","2","1") = "9"
    & skf18("10","2","8","2","7","3","1") = "9"
    & skf18("10","2","8","2","7","4","1") = "9"
    & skf18("10","2","8","2","7","5","1") = "9"
    & skf18("10","2","8","2","7","6","1") = "9"
    & skf18("10","2","8","2","7","7","1") = "9"
    & skf18("10","2","8","2","7","8","1") = "9"
    & skf18("10","2","8","2","7","9","1") = "9"
    & skf18("10","2","8","2","7","10","1") = "9"
    & skf18("10","2","8","2","8","1","1") = "9"
    & skf18("10","2","8","2","8","2","1") = "9"
    & skf18("10","2","8","2","8","3","1") = "9"
    & skf18("10","2","8","2","8","4","1") = "9"
    & skf18("10","2","8","2","8","5","1") = "9"
    & skf18("10","2","8","2","8","6","1") = "9"
    & skf18("10","2","8","2","8","7","1") = "9"
    & skf18("10","2","8","2","8","8","1") = "9"
    & skf18("10","2","8","2","8","9","1") = "9"
    & skf18("10","2","8","2","8","10","1") = "9"
    & skf18("10","2","8","2","9","1","1") = "9"
    & skf18("10","2","8","2","9","2","1") = "9"
    & skf18("10","2","8","2","9","3","1") = "9"
    & skf18("10","2","8","2","9","4","1") = "9"
    & skf18("10","2","8","2","9","5","1") = "9"
    & skf18("10","2","8","2","9","6","1") = "9"
    & skf18("10","2","8","2","9","7","1") = "9"
    & skf18("10","2","8","2","9","8","1") = "9"
    & skf18("10","2","8","2","9","9","1") = "9"
    & skf18("10","2","8","2","9","10","1") = "9"
    & skf18("10","2","8","2","10","1","1") = "9"
    & skf18("10","2","8","2","10","2","1") = "9"
    & skf18("10","2","8","2","10","3","1") = "9"
    & skf18("10","2","8","2","10","4","1") = "9"
    & skf18("10","2","8","2","10","5","1") = "9"
    & skf18("10","2","8","2","10","6","1") = "9"
    & skf18("10","2","8","2","10","7","1") = "9"
    & skf18("10","2","8","2","10","8","1") = "9"
    & skf18("10","2","8","2","10","9","1") = "9"
    & skf18("10","2","8","2","10","10","1") = "9"
    & skf18("10","2","8","3","1","1","1") = "9"
    & skf18("10","2","8","3","1","2","1") = "9"
    & skf18("10","2","8","3","1","3","1") = "9"
    & skf18("10","2","8","3","1","4","1") = "9"
    & skf18("10","2","8","3","1","5","1") = "9"
    & skf18("10","2","8","3","1","6","1") = "9"
    & skf18("10","2","8","3","1","7","1") = "9"
    & skf18("10","2","8","3","1","8","1") = "9"
    & skf18("10","2","8","3","1","9","1") = "9"
    & skf18("10","2","8","3","1","10","1") = "9"
    & skf18("10","2","8","3","2","1","1") = "9"
    & skf18("10","2","8","3","2","2","1") = "9"
    & skf18("10","2","8","3","2","3","1") = "9"
    & skf18("10","2","8","3","2","4","1") = "9"
    & skf18("10","2","8","3","2","5","1") = "9"
    & skf18("10","2","8","3","2","6","1") = "9"
    & skf18("10","2","8","3","2","7","1") = "9"
    & skf18("10","2","8","3","2","8","1") = "9"
    & skf18("10","2","8","3","2","9","1") = "9"
    & skf18("10","2","8","3","2","10","1") = "9"
    & skf18("10","2","8","3","3","1","1") = "9"
    & skf18("10","2","8","3","3","2","1") = "9"
    & skf18("10","2","8","3","3","3","1") = "9"
    & skf18("10","2","8","3","3","4","1") = "9"
    & skf18("10","2","8","3","3","5","1") = "9"
    & skf18("10","2","8","3","3","6","1") = "9"
    & skf18("10","2","8","3","3","7","1") = "9"
    & skf18("10","2","8","3","3","8","1") = "9"
    & skf18("10","2","8","3","3","9","1") = "9"
    & skf18("10","2","8","3","3","10","1") = "9"
    & skf18("10","2","8","3","4","1","1") = "9"
    & skf18("10","2","8","3","4","2","1") = "9"
    & skf18("10","2","8","3","4","3","1") = "9"
    & skf18("10","2","8","3","4","4","1") = "9"
    & skf18("10","2","8","3","4","5","1") = "9"
    & skf18("10","2","8","3","4","6","1") = "9"
    & skf18("10","2","8","3","4","7","1") = "9"
    & skf18("10","2","8","3","4","8","1") = "9"
    & skf18("10","2","8","3","4","9","1") = "9"
    & skf18("10","2","8","3","4","10","1") = "9"
    & skf18("10","2","8","3","5","1","1") = "9"
    & skf18("10","2","8","3","5","2","1") = "9"
    & skf18("10","2","8","3","5","3","1") = "9"
    & skf18("10","2","8","3","5","4","1") = "9"
    & skf18("10","2","8","3","5","5","1") = "9"
    & skf18("10","2","8","3","5","6","1") = "9"
    & skf18("10","2","8","3","5","7","1") = "9"
    & skf18("10","2","8","3","5","8","1") = "9"
    & skf18("10","2","8","3","5","9","1") = "9"
    & skf18("10","2","8","3","5","10","1") = "9"
    & skf18("10","2","8","3","6","1","1") = "9"
    & skf18("10","2","8","3","6","2","1") = "9"
    & skf18("10","2","8","3","6","3","1") = "9"
    & skf18("10","2","8","3","6","4","1") = "9"
    & skf18("10","2","8","3","6","5","1") = "9"
    & skf18("10","2","8","3","6","6","1") = "9"
    & skf18("10","2","8","3","6","7","1") = "9"
    & skf18("10","2","8","3","6","8","1") = "9"
    & skf18("10","2","8","3","6","9","1") = "9"
    & skf18("10","2","8","3","6","10","1") = "9"
    & skf18("10","2","8","3","7","1","1") = "9"
    & skf18("10","2","8","3","7","2","1") = "9"
    & skf18("10","2","8","3","7","3","1") = "9"
    & skf18("10","2","8","3","7","4","1") = "9"
    & skf18("10","2","8","3","7","5","1") = "9"
    & skf18("10","2","8","3","7","6","1") = "9"
    & skf18("10","2","8","3","7","7","1") = "9"
    & skf18("10","2","8","3","7","8","1") = "9"
    & skf18("10","2","8","3","7","9","1") = "9"
    & skf18("10","2","8","3","7","10","1") = "9"
    & skf18("10","2","8","3","8","1","1") = "9"
    & skf18("10","2","8","3","8","2","1") = "9"
    & skf18("10","2","8","3","8","3","1") = "9"
    & skf18("10","2","8","3","8","4","1") = "9"
    & skf18("10","2","8","3","8","5","1") = "9"
    & skf18("10","2","8","3","8","6","1") = "9"
    & skf18("10","2","8","3","8","7","1") = "9"
    & skf18("10","2","8","3","8","8","1") = "9"
    & skf18("10","2","8","3","8","9","1") = "9"
    & skf18("10","2","8","3","8","10","1") = "9"
    & skf18("10","2","8","3","9","1","1") = "9"
    & skf18("10","2","8","3","9","2","1") = "9"
    & skf18("10","2","8","3","9","3","1") = "9"
    & skf18("10","2","8","3","9","4","1") = "9"
    & skf18("10","2","8","3","9","5","1") = "9"
    & skf18("10","2","8","3","9","6","1") = "9"
    & skf18("10","2","8","3","9","7","1") = "9"
    & skf18("10","2","8","3","9","8","1") = "9"
    & skf18("10","2","8","3","9","9","1") = "9"
    & skf18("10","2","8","3","9","10","1") = "9"
    & skf18("10","2","8","3","10","1","1") = "9"
    & skf18("10","2","8","3","10","2","1") = "9"
    & skf18("10","2","8","3","10","3","1") = "9"
    & skf18("10","2","8","3","10","4","1") = "9"
    & skf18("10","2","8","3","10","5","1") = "9"
    & skf18("10","2","8","3","10","6","1") = "9"
    & skf18("10","2","8","3","10","7","1") = "9"
    & skf18("10","2","8","3","10","8","1") = "9"
    & skf18("10","2","8","3","10","9","1") = "9"
    & skf18("10","2","8","3","10","10","1") = "9"
    & skf18("10","2","8","4","1","1","1") = "9"
    & skf18("10","2","8","4","1","2","1") = "9"
    & skf18("10","2","8","4","1","3","1") = "9"
    & skf18("10","2","8","4","1","4","1") = "9"
    & skf18("10","2","8","4","1","5","1") = "9"
    & skf18("10","2","8","4","1","6","1") = "9"
    & skf18("10","2","8","4","1","7","1") = "9"
    & skf18("10","2","8","4","1","8","1") = "9"
    & skf18("10","2","8","4","1","9","1") = "9"
    & skf18("10","2","8","4","1","10","1") = "9"
    & skf18("10","2","8","4","2","1","1") = "9"
    & skf18("10","2","8","4","2","2","1") = "9"
    & skf18("10","2","8","4","2","3","1") = "9"
    & skf18("10","2","8","4","2","4","1") = "9"
    & skf18("10","2","8","4","2","5","1") = "9"
    & skf18("10","2","8","4","2","6","1") = "9"
    & skf18("10","2","8","4","2","7","1") = "9"
    & skf18("10","2","8","4","2","8","1") = "9"
    & skf18("10","2","8","4","2","9","1") = "9"
    & skf18("10","2","8","4","2","10","1") = "9"
    & skf18("10","2","8","4","3","1","1") = "9"
    & skf18("10","2","8","4","3","2","1") = "9"
    & skf18("10","2","8","4","3","3","1") = "9"
    & skf18("10","2","8","4","3","4","1") = "9"
    & skf18("10","2","8","4","3","5","1") = "9"
    & skf18("10","2","8","4","3","6","1") = "9"
    & skf18("10","2","8","4","3","7","1") = "9"
    & skf18("10","2","8","4","3","8","1") = "9"
    & skf18("10","2","8","4","3","9","1") = "9"
    & skf18("10","2","8","4","3","10","1") = "9"
    & skf18("10","2","8","4","4","1","1") = "9"
    & skf18("10","2","8","4","4","2","1") = "9"
    & skf18("10","2","8","4","4","3","1") = "9"
    & skf18("10","2","8","4","4","4","1") = "9"
    & skf18("10","2","8","4","4","5","1") = "9"
    & skf18("10","2","8","4","4","6","1") = "9"
    & skf18("10","2","8","4","4","7","1") = "9"
    & skf18("10","2","8","4","4","8","1") = "9"
    & skf18("10","2","8","4","4","9","1") = "9"
    & skf18("10","2","8","4","4","10","1") = "9"
    & skf18("10","2","8","4","5","1","1") = "9"
    & skf18("10","2","8","4","5","2","1") = "9"
    & skf18("10","2","8","4","5","3","1") = "9"
    & skf18("10","2","8","4","5","4","1") = "9"
    & skf18("10","2","8","4","5","5","1") = "9"
    & skf18("10","2","8","4","5","6","1") = "9"
    & skf18("10","2","8","4","5","7","1") = "9"
    & skf18("10","2","8","4","5","8","1") = "9"
    & skf18("10","2","8","4","5","9","1") = "9"
    & skf18("10","2","8","4","5","10","1") = "9"
    & skf18("10","2","8","4","6","1","1") = "9"
    & skf18("10","2","8","4","6","2","1") = "9"
    & skf18("10","2","8","4","6","3","1") = "9"
    & skf18("10","2","8","4","6","4","1") = "9"
    & skf18("10","2","8","4","6","5","1") = "9"
    & skf18("10","2","8","4","6","6","1") = "9"
    & skf18("10","2","8","4","6","7","1") = "9"
    & skf18("10","2","8","4","6","8","1") = "9"
    & skf18("10","2","8","4","6","9","1") = "9"
    & skf18("10","2","8","4","6","10","1") = "9"
    & skf18("10","2","8","4","7","1","1") = "9"
    & skf18("10","2","8","4","7","2","1") = "9"
    & skf18("10","2","8","4","7","3","1") = "9"
    & skf18("10","2","8","4","7","4","1") = "9"
    & skf18("10","2","8","4","7","5","1") = "9"
    & skf18("10","2","8","4","7","6","1") = "9"
    & skf18("10","2","8","4","7","7","1") = "9"
    & skf18("10","2","8","4","7","8","1") = "9"
    & skf18("10","2","8","4","7","9","1") = "9"
    & skf18("10","2","8","4","7","10","1") = "9"
    & skf18("10","2","8","4","8","1","1") = "9"
    & skf18("10","2","8","4","8","2","1") = "9"
    & skf18("10","2","8","4","8","3","1") = "9"
    & skf18("10","2","8","4","8","4","1") = "9"
    & skf18("10","2","8","4","8","5","1") = "9"
    & skf18("10","2","8","4","8","6","1") = "9"
    & skf18("10","2","8","4","8","7","1") = "9"
    & skf18("10","2","8","4","8","8","1") = "9"
    & skf18("10","2","8","4","8","9","1") = "9"
    & skf18("10","2","8","4","8","10","1") = "9"
    & skf18("10","2","8","4","9","1","1") = "9"
    & skf18("10","2","8","4","9","2","1") = "9"
    & skf18("10","2","8","4","9","3","1") = "9"
    & skf18("10","2","8","4","9","4","1") = "9"
    & skf18("10","2","8","4","9","5","1") = "9"
    & skf18("10","2","8","4","9","6","1") = "9"
    & skf18("10","2","8","4","9","7","1") = "9"
    & skf18("10","2","8","4","9","8","1") = "9"
    & skf18("10","2","8","4","9","9","1") = "9"
    & skf18("10","2","8","4","9","10","1") = "9"
    & skf18("10","2","8","4","10","1","1") = "9"
    & skf18("10","2","8","4","10","2","1") = "9"
    & skf18("10","2","8","4","10","3","1") = "9"
    & skf18("10","2","8","4","10","4","1") = "9"
    & skf18("10","2","8","4","10","5","1") = "9"
    & skf18("10","2","8","4","10","6","1") = "9"
    & skf18("10","2","8","4","10","7","1") = "9"
    & skf18("10","2","8","4","10","8","1") = "9"
    & skf18("10","2","8","4","10","9","1") = "9"
    & skf18("10","2","8","4","10","10","1") = "9"
    & skf18("10","2","8","5","1","1","1") = "9"
    & skf18("10","2","8","5","1","2","1") = "9"
    & skf18("10","2","8","5","1","3","1") = "9"
    & skf18("10","2","8","5","1","4","1") = "9"
    & skf18("10","2","8","5","1","5","1") = "9"
    & skf18("10","2","8","5","1","6","1") = "9"
    & skf18("10","2","8","5","1","7","1") = "9"
    & skf18("10","2","8","5","1","8","1") = "9"
    & skf18("10","2","8","5","1","9","1") = "9"
    & skf18("10","2","8","5","1","10","1") = "9"
    & skf18("10","2","8","5","2","1","1") = "9"
    & skf18("10","2","8","5","2","2","1") = "9"
    & skf18("10","2","8","5","2","3","1") = "9"
    & skf18("10","2","8","5","2","4","1") = "9"
    & skf18("10","2","8","5","2","5","1") = "9"
    & skf18("10","2","8","5","2","6","1") = "9"
    & skf18("10","2","8","5","2","7","1") = "9"
    & skf18("10","2","8","5","2","8","1") = "9"
    & skf18("10","2","8","5","2","9","1") = "9"
    & skf18("10","2","8","5","2","10","1") = "9"
    & skf18("10","2","8","5","3","1","1") = "9"
    & skf18("10","2","8","5","3","2","1") = "9"
    & skf18("10","2","8","5","3","3","1") = "9"
    & skf18("10","2","8","5","3","4","1") = "9"
    & skf18("10","2","8","5","3","5","1") = "9"
    & skf18("10","2","8","5","3","6","1") = "9"
    & skf18("10","2","8","5","3","7","1") = "9"
    & skf18("10","2","8","5","3","8","1") = "9"
    & skf18("10","2","8","5","3","9","1") = "9"
    & skf18("10","2","8","5","3","10","1") = "9"
    & skf18("10","2","8","5","4","1","1") = "9"
    & skf18("10","2","8","5","4","2","1") = "9"
    & skf18("10","2","8","5","4","3","1") = "9"
    & skf18("10","2","8","5","4","4","1") = "9"
    & skf18("10","2","8","5","4","5","1") = "9"
    & skf18("10","2","8","5","4","6","1") = "9"
    & skf18("10","2","8","5","4","7","1") = "9"
    & skf18("10","2","8","5","4","8","1") = "9"
    & skf18("10","2","8","5","4","9","1") = "9"
    & skf18("10","2","8","5","4","10","1") = "9"
    & skf18("10","2","8","5","5","1","1") = "9"
    & skf18("10","2","8","5","5","2","1") = "9"
    & skf18("10","2","8","5","5","3","1") = "9"
    & skf18("10","2","8","5","5","4","1") = "9"
    & skf18("10","2","8","5","5","5","1") = "9"
    & skf18("10","2","8","5","5","6","1") = "9"
    & skf18("10","2","8","5","5","7","1") = "9"
    & skf18("10","2","8","5","5","8","1") = "9"
    & skf18("10","2","8","5","5","9","1") = "9"
    & skf18("10","2","8","5","5","10","1") = "9"
    & skf18("10","2","8","5","6","1","1") = "9"
    & skf18("10","2","8","5","6","2","1") = "9"
    & skf18("10","2","8","5","6","3","1") = "9"
    & skf18("10","2","8","5","6","4","1") = "9"
    & skf18("10","2","8","5","6","5","1") = "9"
    & skf18("10","2","8","5","6","6","1") = "9"
    & skf18("10","2","8","5","6","7","1") = "9"
    & skf18("10","2","8","5","6","8","1") = "9"
    & skf18("10","2","8","5","6","9","1") = "9"
    & skf18("10","2","8","5","6","10","1") = "9"
    & skf18("10","2","8","5","7","1","1") = "9"
    & skf18("10","2","8","5","7","2","1") = "9"
    & skf18("10","2","8","5","7","3","1") = "9"
    & skf18("10","2","8","5","7","4","1") = "9"
    & skf18("10","2","8","5","7","5","1") = "9"
    & skf18("10","2","8","5","7","6","1") = "9"
    & skf18("10","2","8","5","7","7","1") = "9"
    & skf18("10","2","8","5","7","8","1") = "9"
    & skf18("10","2","8","5","7","9","1") = "9"
    & skf18("10","2","8","5","7","10","1") = "9"
    & skf18("10","2","8","5","8","1","1") = "9"
    & skf18("10","2","8","5","8","2","1") = "9"
    & skf18("10","2","8","5","8","3","1") = "9"
    & skf18("10","2","8","5","8","4","1") = "9"
    & skf18("10","2","8","5","8","5","1") = "9"
    & skf18("10","2","8","5","8","6","1") = "9"
    & skf18("10","2","8","5","8","7","1") = "9"
    & skf18("10","2","8","5","8","8","1") = "9"
    & skf18("10","2","8","5","8","9","1") = "9"
    & skf18("10","2","8","5","8","10","1") = "9"
    & skf18("10","2","8","5","9","1","1") = "9"
    & skf18("10","2","8","5","9","2","1") = "9"
    & skf18("10","2","8","5","9","3","1") = "9"
    & skf18("10","2","8","5","9","4","1") = "9"
    & skf18("10","2","8","5","9","5","1") = "9"
    & skf18("10","2","8","5","9","6","1") = "9"
    & skf18("10","2","8","5","9","7","1") = "9"
    & skf18("10","2","8","5","9","8","1") = "9"
    & skf18("10","2","8","5","9","9","1") = "9"
    & skf18("10","2","8","5","9","10","1") = "9"
    & skf18("10","2","8","5","10","1","1") = "9"
    & skf18("10","2","8","5","10","2","1") = "9"
    & skf18("10","2","8","5","10","3","1") = "9"
    & skf18("10","2","8","5","10","4","1") = "9"
    & skf18("10","2","8","5","10","5","1") = "9"
    & skf18("10","2","8","5","10","6","1") = "9"
    & skf18("10","2","8","5","10","7","1") = "9"
    & skf18("10","2","8","5","10","8","1") = "9"
    & skf18("10","2","8","5","10","9","1") = "9"
    & skf18("10","2","8","5","10","10","1") = "9"
    & skf18("10","2","8","6","1","1","1") = "9"
    & skf18("10","2","8","6","1","2","1") = "9"
    & skf18("10","2","8","6","1","3","1") = "9"
    & skf18("10","2","8","6","1","4","1") = "9"
    & skf18("10","2","8","6","1","5","1") = "9"
    & skf18("10","2","8","6","1","6","1") = "9"
    & skf18("10","2","8","6","1","7","1") = "9"
    & skf18("10","2","8","6","1","8","1") = "9"
    & skf18("10","2","8","6","1","9","1") = "9"
    & skf18("10","2","8","6","1","10","1") = "9"
    & skf18("10","2","8","6","2","1","1") = "9"
    & skf18("10","2","8","6","2","2","1") = "9"
    & skf18("10","2","8","6","2","3","1") = "9"
    & skf18("10","2","8","6","2","4","1") = "9"
    & skf18("10","2","8","6","2","5","1") = "9"
    & skf18("10","2","8","6","2","6","1") = "9"
    & skf18("10","2","8","6","2","7","1") = "9"
    & skf18("10","2","8","6","2","8","1") = "9"
    & skf18("10","2","8","6","2","9","1") = "9"
    & skf18("10","2","8","6","2","10","1") = "9"
    & skf18("10","2","8","6","3","1","1") = "9"
    & skf18("10","2","8","6","3","2","1") = "9"
    & skf18("10","2","8","6","3","3","1") = "9"
    & skf18("10","2","8","6","3","4","1") = "9"
    & skf18("10","2","8","6","3","5","1") = "9"
    & skf18("10","2","8","6","3","6","1") = "9"
    & skf18("10","2","8","6","3","7","1") = "9"
    & skf18("10","2","8","6","3","8","1") = "9"
    & skf18("10","2","8","6","3","9","1") = "9"
    & skf18("10","2","8","6","3","10","1") = "9"
    & skf18("10","2","8","6","4","1","1") = "9"
    & skf18("10","2","8","6","4","2","1") = "9"
    & skf18("10","2","8","6","4","3","1") = "9"
    & skf18("10","2","8","6","4","4","1") = "9"
    & skf18("10","2","8","6","4","5","1") = "9"
    & skf18("10","2","8","6","4","6","1") = "9"
    & skf18("10","2","8","6","4","7","1") = "9"
    & skf18("10","2","8","6","4","8","1") = "9"
    & skf18("10","2","8","6","4","9","1") = "9"
    & skf18("10","2","8","6","4","10","1") = "9"
    & skf18("10","2","8","6","5","1","1") = "9"
    & skf18("10","2","8","6","5","2","1") = "9"
    & skf18("10","2","8","6","5","3","1") = "9"
    & skf18("10","2","8","6","5","4","1") = "9"
    & skf18("10","2","8","6","5","5","1") = "9"
    & skf18("10","2","8","6","5","6","1") = "9"
    & skf18("10","2","8","6","5","7","1") = "9"
    & skf18("10","2","8","6","5","8","1") = "9"
    & skf18("10","2","8","6","5","9","1") = "9"
    & skf18("10","2","8","6","5","10","1") = "9"
    & skf18("10","2","8","6","6","1","1") = "9"
    & skf18("10","2","8","6","6","2","1") = "9"
    & skf18("10","2","8","6","6","3","1") = "9"
    & skf18("10","2","8","6","6","4","1") = "9"
    & skf18("10","2","8","6","6","5","1") = "9"
    & skf18("10","2","8","6","6","6","1") = "9"
    & skf18("10","2","8","6","6","7","1") = "9"
    & skf18("10","2","8","6","6","8","1") = "9"
    & skf18("10","2","8","6","6","9","1") = "9"
    & skf18("10","2","8","6","6","10","1") = "9"
    & skf18("10","2","8","6","7","1","1") = "9"
    & skf18("10","2","8","6","7","2","1") = "9"
    & skf18("10","2","8","6","7","3","1") = "9"
    & skf18("10","2","8","6","7","4","1") = "9"
    & skf18("10","2","8","6","7","5","1") = "9"
    & skf18("10","2","8","6","7","6","1") = "9"
    & skf18("10","2","8","6","7","7","1") = "9"
    & skf18("10","2","8","6","7","8","1") = "9"
    & skf18("10","2","8","6","7","9","1") = "9"
    & skf18("10","2","8","6","7","10","1") = "9"
    & skf18("10","2","8","6","8","1","1") = "9"
    & skf18("10","2","8","6","8","2","1") = "9"
    & skf18("10","2","8","6","8","3","1") = "9"
    & skf18("10","2","8","6","8","4","1") = "9"
    & skf18("10","2","8","6","8","5","1") = "9"
    & skf18("10","2","8","6","8","6","1") = "9"
    & skf18("10","2","8","6","8","7","1") = "9"
    & skf18("10","2","8","6","8","8","1") = "9"
    & skf18("10","2","8","6","8","9","1") = "9"
    & skf18("10","2","8","6","8","10","1") = "9"
    & skf18("10","2","8","6","9","1","1") = "9"
    & skf18("10","2","8","6","9","2","1") = "9"
    & skf18("10","2","8","6","9","3","1") = "9"
    & skf18("10","2","8","6","9","4","1") = "9"
    & skf18("10","2","8","6","9","5","1") = "9"
    & skf18("10","2","8","6","9","6","1") = "9"
    & skf18("10","2","8","6","9","7","1") = "9"
    & skf18("10","2","8","6","9","8","1") = "9"
    & skf18("10","2","8","6","9","9","1") = "9"
    & skf18("10","2","8","6","9","10","1") = "9"
    & skf18("10","2","8","6","10","1","1") = "9"
    & skf18("10","2","8","6","10","2","1") = "9"
    & skf18("10","2","8","6","10","3","1") = "9"
    & skf18("10","2","8","6","10","4","1") = "9"
    & skf18("10","2","8","6","10","5","1") = "9"
    & skf18("10","2","8","6","10","6","1") = "9"
    & skf18("10","2","8","6","10","7","1") = "9"
    & skf18("10","2","8","6","10","8","1") = "9"
    & skf18("10","2","8","6","10","9","1") = "9"
    & skf18("10","2","8","6","10","10","1") = "9"
    & skf18("10","2","8","7","1","1","1") = "9"
    & skf18("10","2","8","7","1","2","1") = "9"
    & skf18("10","2","8","7","1","3","1") = "9"
    & skf18("10","2","8","7","1","4","1") = "9"
    & skf18("10","2","8","7","1","5","1") = "9"
    & skf18("10","2","8","7","1","6","1") = "9"
    & skf18("10","2","8","7","1","7","1") = "9"
    & skf18("10","2","8","7","1","8","1") = "9"
    & skf18("10","2","8","7","1","9","1") = "9"
    & skf18("10","2","8","7","1","10","1") = "9"
    & skf18("10","2","8","7","2","1","1") = "9"
    & skf18("10","2","8","7","2","2","1") = "9"
    & skf18("10","2","8","7","2","3","1") = "9"
    & skf18("10","2","8","7","2","4","1") = "9"
    & skf18("10","2","8","7","2","5","1") = "9"
    & skf18("10","2","8","7","2","6","1") = "9"
    & skf18("10","2","8","7","2","7","1") = "9"
    & skf18("10","2","8","7","2","8","1") = "9"
    & skf18("10","2","8","7","2","9","1") = "9"
    & skf18("10","2","8","7","2","10","1") = "9"
    & skf18("10","2","8","7","3","1","1") = "9"
    & skf18("10","2","8","7","3","2","1") = "9"
    & skf18("10","2","8","7","3","3","1") = "9"
    & skf18("10","2","8","7","3","4","1") = "9"
    & skf18("10","2","8","7","3","5","1") = "9"
    & skf18("10","2","8","7","3","6","1") = "9"
    & skf18("10","2","8","7","3","7","1") = "9"
    & skf18("10","2","8","7","3","8","1") = "9"
    & skf18("10","2","8","7","3","9","1") = "9"
    & skf18("10","2","8","7","3","10","1") = "9"
    & skf18("10","2","8","7","4","1","1") = "9"
    & skf18("10","2","8","7","4","2","1") = "9"
    & skf18("10","2","8","7","4","3","1") = "9"
    & skf18("10","2","8","7","4","4","1") = "9"
    & skf18("10","2","8","7","4","5","1") = "9"
    & skf18("10","2","8","7","4","6","1") = "9"
    & skf18("10","2","8","7","4","7","1") = "9"
    & skf18("10","2","8","7","4","8","1") = "9"
    & skf18("10","2","8","7","4","9","1") = "9"
    & skf18("10","2","8","7","4","10","1") = "9"
    & skf18("10","2","8","7","5","1","1") = "9"
    & skf18("10","2","8","7","5","2","1") = "9"
    & skf18("10","2","8","7","5","3","1") = "9"
    & skf18("10","2","8","7","5","4","1") = "9"
    & skf18("10","2","8","7","5","5","1") = "9"
    & skf18("10","2","8","7","5","6","1") = "9"
    & skf18("10","2","8","7","5","7","1") = "9"
    & skf18("10","2","8","7","5","8","1") = "9"
    & skf18("10","2","8","7","5","9","1") = "9"
    & skf18("10","2","8","7","5","10","1") = "9"
    & skf18("10","2","8","7","6","1","1") = "9"
    & skf18("10","2","8","7","6","2","1") = "9"
    & skf18("10","2","8","7","6","3","1") = "9"
    & skf18("10","2","8","7","6","4","1") = "9"
    & skf18("10","2","8","7","6","5","1") = "9"
    & skf18("10","2","8","7","6","6","1") = "9"
    & skf18("10","2","8","7","6","7","1") = "9"
    & skf18("10","2","8","7","6","8","1") = "9"
    & skf18("10","2","8","7","6","9","1") = "9"
    & skf18("10","2","8","7","6","10","1") = "9"
    & skf18("10","2","8","7","7","1","1") = "9"
    & skf18("10","2","8","7","7","2","1") = "9"
    & skf18("10","2","8","7","7","3","1") = "9"
    & skf18("10","2","8","7","7","4","1") = "9"
    & skf18("10","2","8","7","7","5","1") = "9"
    & skf18("10","2","8","7","7","6","1") = "9"
    & skf18("10","2","8","7","7","7","1") = "9"
    & skf18("10","2","8","7","7","8","1") = "9"
    & skf18("10","2","8","7","7","9","1") = "9"
    & skf18("10","2","8","7","7","10","1") = "9"
    & skf18("10","2","8","7","8","1","1") = "9"
    & skf18("10","2","8","7","8","2","1") = "9"
    & skf18("10","2","8","7","8","3","1") = "9"
    & skf18("10","2","8","7","8","4","1") = "9"
    & skf18("10","2","8","7","8","5","1") = "9"
    & skf18("10","2","8","7","8","6","1") = "9"
    & skf18("10","2","8","7","8","7","1") = "9"
    & skf18("10","2","8","7","8","8","1") = "9"
    & skf18("10","2","8","7","8","9","1") = "9"
    & skf18("10","2","8","7","8","10","1") = "9"
    & skf18("10","2","8","7","9","1","1") = "9"
    & skf18("10","2","8","7","9","2","1") = "9"
    & skf18("10","2","8","7","9","3","1") = "9"
    & skf18("10","2","8","7","9","4","1") = "9"
    & skf18("10","2","8","7","9","5","1") = "9"
    & skf18("10","2","8","7","9","6","1") = "9"
    & skf18("10","2","8","7","9","7","1") = "9"
    & skf18("10","2","8","7","9","8","1") = "9"
    & skf18("10","2","8","7","9","9","1") = "9"
    & skf18("10","2","8","7","9","10","1") = "9"
    & skf18("10","2","8","7","10","1","1") = "9"
    & skf18("10","2","8","7","10","2","1") = "9"
    & skf18("10","2","8","7","10","3","1") = "9"
    & skf18("10","2","8","7","10","4","1") = "9"
    & skf18("10","2","8","7","10","5","1") = "9"
    & skf18("10","2","8","7","10","6","1") = "9"
    & skf18("10","2","8","7","10","7","1") = "9"
    & skf18("10","2","8","7","10","8","1") = "9"
    & skf18("10","2","8","7","10","9","1") = "9"
    & skf18("10","2","8","7","10","10","1") = "9"
    & skf18("10","2","8","8","1","1","1") = "9"
    & skf18("10","2","8","8","1","2","1") = "9"
    & skf18("10","2","8","8","1","3","1") = "9"
    & skf18("10","2","8","8","1","4","1") = "9"
    & skf18("10","2","8","8","1","5","1") = "9"
    & skf18("10","2","8","8","1","6","1") = "9"
    & skf18("10","2","8","8","1","7","1") = "9"
    & skf18("10","2","8","8","1","8","1") = "9"
    & skf18("10","2","8","8","1","9","1") = "9"
    & skf18("10","2","8","8","1","10","1") = "9"
    & skf18("10","2","8","8","2","1","1") = "9"
    & skf18("10","2","8","8","2","2","1") = "9"
    & skf18("10","2","8","8","2","3","1") = "9"
    & skf18("10","2","8","8","2","4","1") = "9"
    & skf18("10","2","8","8","2","5","1") = "9"
    & skf18("10","2","8","8","2","6","1") = "9"
    & skf18("10","2","8","8","2","7","1") = "9"
    & skf18("10","2","8","8","2","8","1") = "9"
    & skf18("10","2","8","8","2","9","1") = "9"
    & skf18("10","2","8","8","2","10","1") = "9"
    & skf18("10","2","8","8","3","1","1") = "9"
    & skf18("10","2","8","8","3","2","1") = "9"
    & skf18("10","2","8","8","3","3","1") = "9"
    & skf18("10","2","8","8","3","4","1") = "9"
    & skf18("10","2","8","8","3","5","1") = "9"
    & skf18("10","2","8","8","3","6","1") = "9"
    & skf18("10","2","8","8","3","7","1") = "9"
    & skf18("10","2","8","8","3","8","1") = "9"
    & skf18("10","2","8","8","3","9","1") = "9"
    & skf18("10","2","8","8","3","10","1") = "9"
    & skf18("10","2","8","8","4","1","1") = "9"
    & skf18("10","2","8","8","4","2","1") = "9"
    & skf18("10","2","8","8","4","3","1") = "9"
    & skf18("10","2","8","8","4","4","1") = "9"
    & skf18("10","2","8","8","4","5","1") = "9"
    & skf18("10","2","8","8","4","6","1") = "9"
    & skf18("10","2","8","8","4","7","1") = "9"
    & skf18("10","2","8","8","4","8","1") = "9"
    & skf18("10","2","8","8","4","9","1") = "9"
    & skf18("10","2","8","8","4","10","1") = "9"
    & skf18("10","2","8","8","5","1","1") = "9"
    & skf18("10","2","8","8","5","2","1") = "9"
    & skf18("10","2","8","8","5","3","1") = "9"
    & skf18("10","2","8","8","5","4","1") = "9"
    & skf18("10","2","8","8","5","5","1") = "9"
    & skf18("10","2","8","8","5","6","1") = "9"
    & skf18("10","2","8","8","5","7","1") = "9"
    & skf18("10","2","8","8","5","8","1") = "9"
    & skf18("10","2","8","8","5","9","1") = "9"
    & skf18("10","2","8","8","5","10","1") = "9"
    & skf18("10","2","8","8","6","1","1") = "9"
    & skf18("10","2","8","8","6","2","1") = "9"
    & skf18("10","2","8","8","6","3","1") = "9"
    & skf18("10","2","8","8","6","4","1") = "9"
    & skf18("10","2","8","8","6","5","1") = "9"
    & skf18("10","2","8","8","6","6","1") = "9"
    & skf18("10","2","8","8","6","7","1") = "9"
    & skf18("10","2","8","8","6","8","1") = "9"
    & skf18("10","2","8","8","6","9","1") = "9"
    & skf18("10","2","8","8","6","10","1") = "9"
    & skf18("10","2","8","8","7","1","1") = "9"
    & skf18("10","2","8","8","7","2","1") = "9"
    & skf18("10","2","8","8","7","3","1") = "9"
    & skf18("10","2","8","8","7","4","1") = "9"
    & skf18("10","2","8","8","7","5","1") = "9"
    & skf18("10","2","8","8","7","6","1") = "9"
    & skf18("10","2","8","8","7","7","1") = "9"
    & skf18("10","2","8","8","7","8","1") = "9"
    & skf18("10","2","8","8","7","9","1") = "9"
    & skf18("10","2","8","8","7","10","1") = "9"
    & skf18("10","2","8","8","8","1","1") = "9"
    & skf18("10","2","8","8","8","2","1") = "9"
    & skf18("10","2","8","8","8","3","1") = "9"
    & skf18("10","2","8","8","8","4","1") = "9"
    & skf18("10","2","8","8","8","5","1") = "9"
    & skf18("10","2","8","8","8","6","1") = "9"
    & skf18("10","2","8","8","8","7","1") = "9"
    & skf18("10","2","8","8","8","8","1") = "9"
    & skf18("10","2","8","8","8","9","1") = "9"
    & skf18("10","2","8","8","8","10","1") = "9"
    & skf18("10","2","8","8","9","1","1") = "9"
    & skf18("10","2","8","8","9","2","1") = "9"
    & skf18("10","2","8","8","9","3","1") = "9"
    & skf18("10","2","8","8","9","4","1") = "9"
    & skf18("10","2","8","8","9","5","1") = "9"
    & skf18("10","2","8","8","9","6","1") = "9"
    & skf18("10","2","8","8","9","7","1") = "9"
    & skf18("10","2","8","8","9","8","1") = "9"
    & skf18("10","2","8","8","9","9","1") = "9"
    & skf18("10","2","8","8","9","10","1") = "9"
    & skf18("10","2","8","8","10","1","1") = "9"
    & skf18("10","2","8","8","10","2","1") = "9"
    & skf18("10","2","8","8","10","3","1") = "9"
    & skf18("10","2","8","8","10","4","1") = "9"
    & skf18("10","2","8","8","10","5","1") = "9"
    & skf18("10","2","8","8","10","6","1") = "9"
    & skf18("10","2","8","8","10","7","1") = "9"
    & skf18("10","2","8","8","10","8","1") = "9"
    & skf18("10","2","8","8","10","9","1") = "9"
    & skf18("10","2","8","8","10","10","1") = "9"
    & skf18("10","2","8","9","1","1","1") = "9"
    & skf18("10","2","8","9","1","2","1") = "9"
    & skf18("10","2","8","9","1","3","1") = "9"
    & skf18("10","2","8","9","1","4","1") = "9"
    & skf18("10","2","8","9","1","5","1") = "9"
    & skf18("10","2","8","9","1","6","1") = "9"
    & skf18("10","2","8","9","1","7","1") = "9"
    & skf18("10","2","8","9","1","8","1") = "9"
    & skf18("10","2","8","9","1","9","1") = "9"
    & skf18("10","2","8","9","1","10","1") = "9"
    & skf18("10","2","8","9","2","1","1") = "9"
    & skf18("10","2","8","9","2","2","1") = "9"
    & skf18("10","2","8","9","2","3","1") = "9"
    & skf18("10","2","8","9","2","4","1") = "9"
    & skf18("10","2","8","9","2","5","1") = "9"
    & skf18("10","2","8","9","2","6","1") = "9"
    & skf18("10","2","8","9","2","7","1") = "9"
    & skf18("10","2","8","9","2","8","1") = "9"
    & skf18("10","2","8","9","2","9","1") = "9"
    & skf18("10","2","8","9","2","10","1") = "9"
    & skf18("10","2","8","9","3","1","1") = "9"
    & skf18("10","2","8","9","3","2","1") = "9"
    & skf18("10","2","8","9","3","3","1") = "9"
    & skf18("10","2","8","9","3","4","1") = "9"
    & skf18("10","2","8","9","3","5","1") = "9"
    & skf18("10","2","8","9","3","6","1") = "9"
    & skf18("10","2","8","9","3","7","1") = "9"
    & skf18("10","2","8","9","3","8","1") = "9"
    & skf18("10","2","8","9","3","9","1") = "9"
    & skf18("10","2","8","9","3","10","1") = "9"
    & skf18("10","2","8","9","4","1","1") = "9"
    & skf18("10","2","8","9","4","2","1") = "9"
    & skf18("10","2","8","9","4","3","1") = "9"
    & skf18("10","2","8","9","4","4","1") = "9"
    & skf18("10","2","8","9","4","5","1") = "9"
    & skf18("10","2","8","9","4","6","1") = "9"
    & skf18("10","2","8","9","4","7","1") = "9"
    & skf18("10","2","8","9","4","8","1") = "9"
    & skf18("10","2","8","9","4","9","1") = "9"
    & skf18("10","2","8","9","4","10","1") = "9"
    & skf18("10","2","8","9","5","1","1") = "9"
    & skf18("10","2","8","9","5","2","1") = "9"
    & skf18("10","2","8","9","5","3","1") = "9"
    & skf18("10","2","8","9","5","4","1") = "9"
    & skf18("10","2","8","9","5","5","1") = "9"
    & skf18("10","2","8","9","5","6","1") = "9"
    & skf18("10","2","8","9","5","7","1") = "9"
    & skf18("10","2","8","9","5","8","1") = "9"
    & skf18("10","2","8","9","5","9","1") = "9"
    & skf18("10","2","8","9","5","10","1") = "9"
    & skf18("10","2","8","9","6","1","1") = "9"
    & skf18("10","2","8","9","6","2","1") = "9"
    & skf18("10","2","8","9","6","3","1") = "9"
    & skf18("10","2","8","9","6","4","1") = "9"
    & skf18("10","2","8","9","6","5","1") = "9"
    & skf18("10","2","8","9","6","6","1") = "9"
    & skf18("10","2","8","9","6","7","1") = "9"
    & skf18("10","2","8","9","6","8","1") = "9"
    & skf18("10","2","8","9","6","9","1") = "9"
    & skf18("10","2","8","9","6","10","1") = "9"
    & skf18("10","2","8","9","7","1","1") = "9"
    & skf18("10","2","8","9","7","2","1") = "9"
    & skf18("10","2","8","9","7","3","1") = "9"
    & skf18("10","2","8","9","7","4","1") = "9"
    & skf18("10","2","8","9","7","5","1") = "9"
    & skf18("10","2","8","9","7","6","1") = "9"
    & skf18("10","2","8","9","7","7","1") = "9"
    & skf18("10","2","8","9","7","8","1") = "9"
    & skf18("10","2","8","9","7","9","1") = "9"
    & skf18("10","2","8","9","7","10","1") = "9"
    & skf18("10","2","8","9","8","1","1") = "9"
    & skf18("10","2","8","9","8","2","1") = "9"
    & skf18("10","2","8","9","8","3","1") = "9"
    & skf18("10","2","8","9","8","4","1") = "9"
    & skf18("10","2","8","9","8","5","1") = "9"
    & skf18("10","2","8","9","8","6","1") = "9"
    & skf18("10","2","8","9","8","7","1") = "9"
    & skf18("10","2","8","9","8","8","1") = "9"
    & skf18("10","2","8","9","8","9","1") = "9"
    & skf18("10","2","8","9","8","10","1") = "9"
    & skf18("10","2","8","9","9","1","1") = "9"
    & skf18("10","2","8","9","9","2","1") = "9"
    & skf18("10","2","8","9","9","3","1") = "9"
    & skf18("10","2","8","9","9","4","1") = "9"
    & skf18("10","2","8","9","9","5","1") = "9"
    & skf18("10","2","8","9","9","6","1") = "9"
    & skf18("10","2","8","9","9","7","1") = "9"
    & skf18("10","2","8","9","9","8","1") = "9"
    & skf18("10","2","8","9","9","9","1") = "9"
    & skf18("10","2","8","9","9","10","1") = "9"
    & skf18("10","2","8","9","10","1","1") = "9"
    & skf18("10","2","8","9","10","2","1") = "9"
    & skf18("10","2","8","9","10","3","1") = "9"
    & skf18("10","2","8","9","10","4","1") = "9"
    & skf18("10","2","8","9","10","5","1") = "9"
    & skf18("10","2","8","9","10","6","1") = "9"
    & skf18("10","2","8","9","10","7","1") = "9"
    & skf18("10","2","8","9","10","8","1") = "9"
    & skf18("10","2","8","9","10","9","1") = "9"
    & skf18("10","2","8","9","10","10","1") = "9"
    & skf18("10","2","8","10","1","1","1") = "9"
    & skf18("10","2","8","10","1","2","1") = "9"
    & skf18("10","2","8","10","1","3","1") = "9"
    & skf18("10","2","8","10","1","4","1") = "9"
    & skf18("10","2","8","10","1","5","1") = "9"
    & skf18("10","2","8","10","1","6","1") = "9"
    & skf18("10","2","8","10","1","7","1") = "9"
    & skf18("10","2","8","10","1","8","1") = "9"
    & skf18("10","2","8","10","1","9","1") = "9"
    & skf18("10","2","8","10","1","10","1") = "9"
    & skf18("10","2","8","10","2","1","1") = "9"
    & skf18("10","2","8","10","2","2","1") = "9"
    & skf18("10","2","8","10","2","3","1") = "9"
    & skf18("10","2","8","10","2","4","1") = "9"
    & skf18("10","2","8","10","2","5","1") = "9"
    & skf18("10","2","8","10","2","6","1") = "9"
    & skf18("10","2","8","10","2","7","1") = "9"
    & skf18("10","2","8","10","2","8","1") = "9"
    & skf18("10","2","8","10","2","9","1") = "9"
    & skf18("10","2","8","10","2","10","1") = "9"
    & skf18("10","2","8","10","3","1","1") = "9"
    & skf18("10","2","8","10","3","2","1") = "9"
    & skf18("10","2","8","10","3","3","1") = "9"
    & skf18("10","2","8","10","3","4","1") = "9"
    & skf18("10","2","8","10","3","5","1") = "9"
    & skf18("10","2","8","10","3","6","1") = "9"
    & skf18("10","2","8","10","3","7","1") = "9"
    & skf18("10","2","8","10","3","8","1") = "9"
    & skf18("10","2","8","10","3","9","1") = "9"
    & skf18("10","2","8","10","3","10","1") = "9"
    & skf18("10","2","8","10","4","1","1") = "9"
    & skf18("10","2","8","10","4","2","1") = "9"
    & skf18("10","2","8","10","4","3","1") = "9"
    & skf18("10","2","8","10","4","4","1") = "9"
    & skf18("10","2","8","10","4","5","1") = "9"
    & skf18("10","2","8","10","4","6","1") = "9"
    & skf18("10","2","8","10","4","7","1") = "9"
    & skf18("10","2","8","10","4","8","1") = "9"
    & skf18("10","2","8","10","4","9","1") = "9"
    & skf18("10","2","8","10","4","10","1") = "9"
    & skf18("10","2","8","10","5","1","1") = "9"
    & skf18("10","2","8","10","5","2","1") = "9"
    & skf18("10","2","8","10","5","3","1") = "9"
    & skf18("10","2","8","10","5","4","1") = "9"
    & skf18("10","2","8","10","5","5","1") = "9"
    & skf18("10","2","8","10","5","6","1") = "9"
    & skf18("10","2","8","10","5","7","1") = "9"
    & skf18("10","2","8","10","5","8","1") = "9"
    & skf18("10","2","8","10","5","9","1") = "9"
    & skf18("10","2","8","10","5","10","1") = "9"
    & skf18("10","2","8","10","6","1","1") = "9"
    & skf18("10","2","8","10","6","2","1") = "9"
    & skf18("10","2","8","10","6","3","1") = "9"
    & skf18("10","2","8","10","6","4","1") = "9"
    & skf18("10","2","8","10","6","5","1") = "9"
    & skf18("10","2","8","10","6","6","1") = "9"
    & skf18("10","2","8","10","6","7","1") = "9"
    & skf18("10","2","8","10","6","8","1") = "9"
    & skf18("10","2","8","10","6","9","1") = "9"
    & skf18("10","2","8","10","6","10","1") = "9"
    & skf18("10","2","8","10","7","1","1") = "9"
    & skf18("10","2","8","10","7","2","1") = "9"
    & skf18("10","2","8","10","7","3","1") = "9"
    & skf18("10","2","8","10","7","4","1") = "9"
    & skf18("10","2","8","10","7","5","1") = "9"
    & skf18("10","2","8","10","7","6","1") = "9"
    & skf18("10","2","8","10","7","7","1") = "9"
    & skf18("10","2","8","10","7","8","1") = "9"
    & skf18("10","2","8","10","7","9","1") = "9"
    & skf18("10","2","8","10","7","10","1") = "9"
    & skf18("10","2","8","10","8","1","1") = "9"
    & skf18("10","2","8","10","8","2","1") = "9"
    & skf18("10","2","8","10","8","3","1") = "9"
    & skf18("10","2","8","10","8","4","1") = "9"
    & skf18("10","2","8","10","8","5","1") = "9"
    & skf18("10","2","8","10","8","6","1") = "9"
    & skf18("10","2","8","10","8","7","1") = "9"
    & skf18("10","2","8","10","8","8","1") = "9"
    & skf18("10","2","8","10","8","9","1") = "9"
    & skf18("10","2","8","10","8","10","1") = "9"
    & skf18("10","2","8","10","9","1","1") = "9"
    & skf18("10","2","8","10","9","2","1") = "9"
    & skf18("10","2","8","10","9","3","1") = "9"
    & skf18("10","2","8","10","9","4","1") = "9"
    & skf18("10","2","8","10","9","5","1") = "9"
    & skf18("10","2","8","10","9","6","1") = "9"
    & skf18("10","2","8","10","9","7","1") = "9"
    & skf18("10","2","8","10","9","8","1") = "9"
    & skf18("10","2","8","10","9","9","1") = "9"
    & skf18("10","2","8","10","9","10","1") = "9"
    & skf18("10","2","8","10","10","1","1") = "9"
    & skf18("10","2","8","10","10","2","1") = "9"
    & skf18("10","2","8","10","10","3","1") = "9"
    & skf18("10","2","8","10","10","4","1") = "9"
    & skf18("10","2","8","10","10","5","1") = "9"
    & skf18("10","2","8","10","10","6","1") = "9"
    & skf18("10","2","8","10","10","7","1") = "9"
    & skf18("10","2","8","10","10","8","1") = "9"
    & skf18("10","2","8","10","10","9","1") = "9"
    & skf18("10","2","8","10","10","10","1") = "9"
    & skf18("10","2","9","1","1","1","1") = "9"
    & skf18("10","2","9","1","1","2","1") = "9"
    & skf18("10","2","9","1","1","3","1") = "9"
    & skf18("10","2","9","1","1","4","1") = "9"
    & skf18("10","2","9","1","1","5","1") = "9"
    & skf18("10","2","9","1","1","6","1") = "9"
    & skf18("10","2","9","1","1","7","1") = "9"
    & skf18("10","2","9","1","1","8","1") = "9"
    & skf18("10","2","9","1","1","9","1") = "9"
    & skf18("10","2","9","1","1","10","1") = "9"
    & skf18("10","2","9","1","2","1","1") = "9"
    & skf18("10","2","9","1","2","2","1") = "9"
    & skf18("10","2","9","1","2","3","1") = "9"
    & skf18("10","2","9","1","2","4","1") = "9"
    & skf18("10","2","9","1","2","5","1") = "9"
    & skf18("10","2","9","1","2","6","1") = "9"
    & skf18("10","2","9","1","2","7","1") = "9"
    & skf18("10","2","9","1","2","8","1") = "9"
    & skf18("10","2","9","1","2","9","1") = "9"
    & skf18("10","2","9","1","2","10","1") = "9"
    & skf18("10","2","9","1","3","1","1") = "9"
    & skf18("10","2","9","1","3","2","1") = "9"
    & skf18("10","2","9","1","3","3","1") = "9"
    & skf18("10","2","9","1","3","4","1") = "9"
    & skf18("10","2","9","1","3","5","1") = "9"
    & skf18("10","2","9","1","3","6","1") = "9"
    & skf18("10","2","9","1","3","7","1") = "9"
    & skf18("10","2","9","1","3","8","1") = "9"
    & skf18("10","2","9","1","3","9","1") = "9"
    & skf18("10","2","9","1","3","10","1") = "9"
    & skf18("10","2","9","1","4","1","1") = "9"
    & skf18("10","2","9","1","4","2","1") = "9"
    & skf18("10","2","9","1","4","3","1") = "9"
    & skf18("10","2","9","1","4","4","1") = "9"
    & skf18("10","2","9","1","4","5","1") = "9"
    & skf18("10","2","9","1","4","6","1") = "9"
    & skf18("10","2","9","1","4","7","1") = "9"
    & skf18("10","2","9","1","4","8","1") = "9"
    & skf18("10","2","9","1","4","9","1") = "9"
    & skf18("10","2","9","1","4","10","1") = "9"
    & skf18("10","2","9","1","5","1","1") = "9"
    & skf18("10","2","9","1","5","2","1") = "9"
    & skf18("10","2","9","1","5","3","1") = "9"
    & skf18("10","2","9","1","5","4","1") = "9"
    & skf18("10","2","9","1","5","5","1") = "9"
    & skf18("10","2","9","1","5","6","1") = "9"
    & skf18("10","2","9","1","5","7","1") = "9"
    & skf18("10","2","9","1","5","8","1") = "9"
    & skf18("10","2","9","1","5","9","1") = "9"
    & skf18("10","2","9","1","5","10","1") = "9"
    & skf18("10","2","9","1","6","1","1") = "9"
    & skf18("10","2","9","1","6","2","1") = "9"
    & skf18("10","2","9","1","6","3","1") = "9"
    & skf18("10","2","9","1","6","4","1") = "9"
    & skf18("10","2","9","1","6","5","1") = "9"
    & skf18("10","2","9","1","6","6","1") = "9"
    & skf18("10","2","9","1","6","7","1") = "9"
    & skf18("10","2","9","1","6","8","1") = "9"
    & skf18("10","2","9","1","6","9","1") = "9"
    & skf18("10","2","9","1","6","10","1") = "9"
    & skf18("10","2","9","1","7","1","1") = "9"
    & skf18("10","2","9","1","7","2","1") = "9"
    & skf18("10","2","9","1","7","3","1") = "9"
    & skf18("10","2","9","1","7","4","1") = "9"
    & skf18("10","2","9","1","7","5","1") = "9"
    & skf18("10","2","9","1","7","6","1") = "9"
    & skf18("10","2","9","1","7","7","1") = "9"
    & skf18("10","2","9","1","7","8","1") = "9"
    & skf18("10","2","9","1","7","9","1") = "9"
    & skf18("10","2","9","1","7","10","1") = "9"
    & skf18("10","2","9","1","8","1","1") = "9"
    & skf18("10","2","9","1","8","2","1") = "9"
    & skf18("10","2","9","1","8","3","1") = "9"
    & skf18("10","2","9","1","8","4","1") = "9"
    & skf18("10","2","9","1","8","5","1") = "9"
    & skf18("10","2","9","1","8","6","1") = "9"
    & skf18("10","2","9","1","8","7","1") = "9"
    & skf18("10","2","9","1","8","8","1") = "9"
    & skf18("10","2","9","1","8","9","1") = "9"
    & skf18("10","2","9","1","8","10","1") = "9"
    & skf18("10","2","9","1","9","1","1") = "9"
    & skf18("10","2","9","1","9","2","1") = "9"
    & skf18("10","2","9","1","9","3","1") = "9"
    & skf18("10","2","9","1","9","4","1") = "9"
    & skf18("10","2","9","1","9","5","1") = "9"
    & skf18("10","2","9","1","9","6","1") = "9"
    & skf18("10","2","9","1","9","7","1") = "9"
    & skf18("10","2","9","1","9","8","1") = "9"
    & skf18("10","2","9","1","9","9","1") = "9"
    & skf18("10","2","9","1","9","10","1") = "9"
    & skf18("10","2","9","1","10","1","1") = "9"
    & skf18("10","2","9","1","10","2","1") = "9"
    & skf18("10","2","9","1","10","3","1") = "9"
    & skf18("10","2","9","1","10","4","1") = "9"
    & skf18("10","2","9","1","10","5","1") = "9"
    & skf18("10","2","9","1","10","6","1") = "9"
    & skf18("10","2","9","1","10","7","1") = "9"
    & skf18("10","2","9","1","10","8","1") = "9"
    & skf18("10","2","9","1","10","9","1") = "9"
    & skf18("10","2","9","1","10","10","1") = "9"
    & skf18("10","2","9","2","1","1","1") = "9"
    & skf18("10","2","9","2","1","2","1") = "9"
    & skf18("10","2","9","2","1","3","1") = "9"
    & skf18("10","2","9","2","1","4","1") = "9"
    & skf18("10","2","9","2","1","5","1") = "9"
    & skf18("10","2","9","2","1","6","1") = "9"
    & skf18("10","2","9","2","1","7","1") = "9"
    & skf18("10","2","9","2","1","8","1") = "9"
    & skf18("10","2","9","2","1","9","1") = "9"
    & skf18("10","2","9","2","1","10","1") = "9"
    & skf18("10","2","9","2","2","1","1") = "9"
    & skf18("10","2","9","2","2","2","1") = "9"
    & skf18("10","2","9","2","2","3","1") = "9"
    & skf18("10","2","9","2","2","4","1") = "9"
    & skf18("10","2","9","2","2","5","1") = "9"
    & skf18("10","2","9","2","2","6","1") = "9"
    & skf18("10","2","9","2","2","7","1") = "9"
    & skf18("10","2","9","2","2","8","1") = "9"
    & skf18("10","2","9","2","2","9","1") = "9"
    & skf18("10","2","9","2","2","10","1") = "9"
    & skf18("10","2","9","2","3","1","1") = "9"
    & skf18("10","2","9","2","3","2","1") = "9"
    & skf18("10","2","9","2","3","3","1") = "9"
    & skf18("10","2","9","2","3","4","1") = "9"
    & skf18("10","2","9","2","3","5","1") = "9"
    & skf18("10","2","9","2","3","6","1") = "9"
    & skf18("10","2","9","2","3","7","1") = "9"
    & skf18("10","2","9","2","3","8","1") = "9"
    & skf18("10","2","9","2","3","9","1") = "9"
    & skf18("10","2","9","2","3","10","1") = "9"
    & skf18("10","2","9","2","4","1","1") = "9"
    & skf18("10","2","9","2","4","2","1") = "9"
    & skf18("10","2","9","2","4","3","1") = "9"
    & skf18("10","2","9","2","4","4","1") = "9"
    & skf18("10","2","9","2","4","5","1") = "9"
    & skf18("10","2","9","2","4","6","1") = "9"
    & skf18("10","2","9","2","4","7","1") = "9"
    & skf18("10","2","9","2","4","8","1") = "9"
    & skf18("10","2","9","2","4","9","1") = "9"
    & skf18("10","2","9","2","4","10","1") = "9"
    & skf18("10","2","9","2","5","1","1") = "9"
    & skf18("10","2","9","2","5","2","1") = "9"
    & skf18("10","2","9","2","5","3","1") = "9"
    & skf18("10","2","9","2","5","4","1") = "9"
    & skf18("10","2","9","2","5","5","1") = "9"
    & skf18("10","2","9","2","5","6","1") = "9"
    & skf18("10","2","9","2","5","7","1") = "9"
    & skf18("10","2","9","2","5","8","1") = "9"
    & skf18("10","2","9","2","5","9","1") = "9"
    & skf18("10","2","9","2","5","10","1") = "9"
    & skf18("10","2","9","2","6","1","1") = "9"
    & skf18("10","2","9","2","6","2","1") = "9"
    & skf18("10","2","9","2","6","3","1") = "9"
    & skf18("10","2","9","2","6","4","1") = "9"
    & skf18("10","2","9","2","6","5","1") = "9"
    & skf18("10","2","9","2","6","6","1") = "9"
    & skf18("10","2","9","2","6","7","1") = "9"
    & skf18("10","2","9","2","6","8","1") = "9"
    & skf18("10","2","9","2","6","9","1") = "9"
    & skf18("10","2","9","2","6","10","1") = "9"
    & skf18("10","2","9","2","7","1","1") = "9"
    & skf18("10","2","9","2","7","2","1") = "9"
    & skf18("10","2","9","2","7","3","1") = "9"
    & skf18("10","2","9","2","7","4","1") = "9"
    & skf18("10","2","9","2","7","5","1") = "9"
    & skf18("10","2","9","2","7","6","1") = "9"
    & skf18("10","2","9","2","7","7","1") = "9"
    & skf18("10","2","9","2","7","8","1") = "9"
    & skf18("10","2","9","2","7","9","1") = "9"
    & skf18("10","2","9","2","7","10","1") = "9"
    & skf18("10","2","9","2","8","1","1") = "9"
    & skf18("10","2","9","2","8","2","1") = "9"
    & skf18("10","2","9","2","8","3","1") = "9"
    & skf18("10","2","9","2","8","4","1") = "9"
    & skf18("10","2","9","2","8","5","1") = "9"
    & skf18("10","2","9","2","8","6","1") = "9"
    & skf18("10","2","9","2","8","7","1") = "9"
    & skf18("10","2","9","2","8","8","1") = "9"
    & skf18("10","2","9","2","8","9","1") = "9"
    & skf18("10","2","9","2","8","10","1") = "9"
    & skf18("10","2","9","2","9","1","1") = "9"
    & skf18("10","2","9","2","9","2","1") = "9"
    & skf18("10","2","9","2","9","3","1") = "9"
    & skf18("10","2","9","2","9","4","1") = "9"
    & skf18("10","2","9","2","9","5","1") = "9"
    & skf18("10","2","9","2","9","6","1") = "9"
    & skf18("10","2","9","2","9","7","1") = "9"
    & skf18("10","2","9","2","9","8","1") = "9"
    & skf18("10","2","9","2","9","9","1") = "9"
    & skf18("10","2","9","2","9","10","1") = "9"
    & skf18("10","2","9","2","10","1","1") = "9"
    & skf18("10","2","9","2","10","2","1") = "9"
    & skf18("10","2","9","2","10","3","1") = "9"
    & skf18("10","2","9","2","10","4","1") = "9"
    & skf18("10","2","9","2","10","5","1") = "9"
    & skf18("10","2","9","2","10","6","1") = "9"
    & skf18("10","2","9","2","10","7","1") = "9"
    & skf18("10","2","9","2","10","8","1") = "9"
    & skf18("10","2","9","2","10","9","1") = "9"
    & skf18("10","2","9","2","10","10","1") = "9"
    & skf18("10","2","9","3","1","1","1") = "9"
    & skf18("10","2","9","3","1","2","1") = "9"
    & skf18("10","2","9","3","1","3","1") = "9"
    & skf18("10","2","9","3","1","4","1") = "9"
    & skf18("10","2","9","3","1","5","1") = "9"
    & skf18("10","2","9","3","1","6","1") = "9"
    & skf18("10","2","9","3","1","7","1") = "9"
    & skf18("10","2","9","3","1","8","1") = "9"
    & skf18("10","2","9","3","1","9","1") = "9"
    & skf18("10","2","9","3","1","10","1") = "9"
    & skf18("10","2","9","3","2","1","1") = "9"
    & skf18("10","2","9","3","2","2","1") = "9"
    & skf18("10","2","9","3","2","3","1") = "9"
    & skf18("10","2","9","3","2","4","1") = "9"
    & skf18("10","2","9","3","2","5","1") = "9"
    & skf18("10","2","9","3","2","6","1") = "9"
    & skf18("10","2","9","3","2","7","1") = "9"
    & skf18("10","2","9","3","2","8","1") = "9"
    & skf18("10","2","9","3","2","9","1") = "9"
    & skf18("10","2","9","3","2","10","1") = "9"
    & skf18("10","2","9","3","3","1","1") = "9"
    & skf18("10","2","9","3","3","2","1") = "9"
    & skf18("10","2","9","3","3","3","1") = "9"
    & skf18("10","2","9","3","3","4","1") = "9"
    & skf18("10","2","9","3","3","5","1") = "9"
    & skf18("10","2","9","3","3","6","1") = "9"
    & skf18("10","2","9","3","3","7","1") = "9"
    & skf18("10","2","9","3","3","8","1") = "9"
    & skf18("10","2","9","3","3","9","1") = "9"
    & skf18("10","2","9","3","3","10","1") = "9"
    & skf18("10","2","9","3","4","1","1") = "9"
    & skf18("10","2","9","3","4","2","1") = "9"
    & skf18("10","2","9","3","4","3","1") = "9"
    & skf18("10","2","9","3","4","4","1") = "9"
    & skf18("10","2","9","3","4","5","1") = "9"
    & skf18("10","2","9","3","4","6","1") = "9"
    & skf18("10","2","9","3","4","7","1") = "9"
    & skf18("10","2","9","3","4","8","1") = "9"
    & skf18("10","2","9","3","4","9","1") = "9"
    & skf18("10","2","9","3","4","10","1") = "9"
    & skf18("10","2","9","3","5","1","1") = "9"
    & skf18("10","2","9","3","5","2","1") = "9"
    & skf18("10","2","9","3","5","3","1") = "9"
    & skf18("10","2","9","3","5","4","1") = "9"
    & skf18("10","2","9","3","5","5","1") = "9"
    & skf18("10","2","9","3","5","6","1") = "9"
    & skf18("10","2","9","3","5","7","1") = "9"
    & skf18("10","2","9","3","5","8","1") = "9"
    & skf18("10","2","9","3","5","9","1") = "9"
    & skf18("10","2","9","3","5","10","1") = "9"
    & skf18("10","2","9","3","6","1","1") = "9"
    & skf18("10","2","9","3","6","2","1") = "9"
    & skf18("10","2","9","3","6","3","1") = "9"
    & skf18("10","2","9","3","6","4","1") = "9"
    & skf18("10","2","9","3","6","5","1") = "9"
    & skf18("10","2","9","3","6","6","1") = "9"
    & skf18("10","2","9","3","6","7","1") = "9"
    & skf18("10","2","9","3","6","8","1") = "9"
    & skf18("10","2","9","3","6","9","1") = "9"
    & skf18("10","2","9","3","6","10","1") = "9"
    & skf18("10","2","9","3","7","1","1") = "9"
    & skf18("10","2","9","3","7","2","1") = "9"
    & skf18("10","2","9","3","7","3","1") = "9"
    & skf18("10","2","9","3","7","4","1") = "9"
    & skf18("10","2","9","3","7","5","1") = "9"
    & skf18("10","2","9","3","7","6","1") = "9"
    & skf18("10","2","9","3","7","7","1") = "9"
    & skf18("10","2","9","3","7","8","1") = "9"
    & skf18("10","2","9","3","7","9","1") = "9"
    & skf18("10","2","9","3","7","10","1") = "9"
    & skf18("10","2","9","3","8","1","1") = "9"
    & skf18("10","2","9","3","8","2","1") = "9"
    & skf18("10","2","9","3","8","3","1") = "9"
    & skf18("10","2","9","3","8","4","1") = "9"
    & skf18("10","2","9","3","8","5","1") = "9"
    & skf18("10","2","9","3","8","6","1") = "9"
    & skf18("10","2","9","3","8","7","1") = "9"
    & skf18("10","2","9","3","8","8","1") = "9"
    & skf18("10","2","9","3","8","9","1") = "9"
    & skf18("10","2","9","3","8","10","1") = "9"
    & skf18("10","2","9","3","9","1","1") = "9"
    & skf18("10","2","9","3","9","2","1") = "9"
    & skf18("10","2","9","3","9","3","1") = "9"
    & skf18("10","2","9","3","9","4","1") = "9"
    & skf18("10","2","9","3","9","5","1") = "9"
    & skf18("10","2","9","3","9","6","1") = "9"
    & skf18("10","2","9","3","9","7","1") = "9"
    & skf18("10","2","9","3","9","8","1") = "9"
    & skf18("10","2","9","3","9","9","1") = "9"
    & skf18("10","2","9","3","9","10","1") = "9"
    & skf18("10","2","9","3","10","1","1") = "9"
    & skf18("10","2","9","3","10","2","1") = "9"
    & skf18("10","2","9","3","10","3","1") = "9"
    & skf18("10","2","9","3","10","4","1") = "9"
    & skf18("10","2","9","3","10","5","1") = "9"
    & skf18("10","2","9","3","10","6","1") = "9"
    & skf18("10","2","9","3","10","7","1") = "9"
    & skf18("10","2","9","3","10","8","1") = "9"
    & skf18("10","2","9","3","10","9","1") = "9"
    & skf18("10","2","9","3","10","10","1") = "9"
    & skf18("10","2","9","4","1","1","1") = "9"
    & skf18("10","2","9","4","1","2","1") = "9"
    & skf18("10","2","9","4","1","3","1") = "9"
    & skf18("10","2","9","4","1","4","1") = "9"
    & skf18("10","2","9","4","1","5","1") = "9"
    & skf18("10","2","9","4","1","6","1") = "9"
    & skf18("10","2","9","4","1","7","1") = "9"
    & skf18("10","2","9","4","1","8","1") = "9"
    & skf18("10","2","9","4","1","9","1") = "9"
    & skf18("10","2","9","4","1","10","1") = "9"
    & skf18("10","2","9","4","2","1","1") = "9"
    & skf18("10","2","9","4","2","2","1") = "9"
    & skf18("10","2","9","4","2","3","1") = "9"
    & skf18("10","2","9","4","2","4","1") = "9"
    & skf18("10","2","9","4","2","5","1") = "9"
    & skf18("10","2","9","4","2","6","1") = "9"
    & skf18("10","2","9","4","2","7","1") = "9"
    & skf18("10","2","9","4","2","8","1") = "9"
    & skf18("10","2","9","4","2","9","1") = "9"
    & skf18("10","2","9","4","2","10","1") = "9"
    & skf18("10","2","9","4","3","1","1") = "9"
    & skf18("10","2","9","4","3","2","1") = "9"
    & skf18("10","2","9","4","3","3","1") = "9"
    & skf18("10","2","9","4","3","4","1") = "9"
    & skf18("10","2","9","4","3","5","1") = "9"
    & skf18("10","2","9","4","3","6","1") = "9"
    & skf18("10","2","9","4","3","7","1") = "9"
    & skf18("10","2","9","4","3","8","1") = "9"
    & skf18("10","2","9","4","3","9","1") = "9"
    & skf18("10","2","9","4","3","10","1") = "9"
    & skf18("10","2","9","4","4","1","1") = "9"
    & skf18("10","2","9","4","4","2","1") = "9"
    & skf18("10","2","9","4","4","3","1") = "9"
    & skf18("10","2","9","4","4","4","1") = "9"
    & skf18("10","2","9","4","4","5","1") = "9"
    & skf18("10","2","9","4","4","6","1") = "9"
    & skf18("10","2","9","4","4","7","1") = "9"
    & skf18("10","2","9","4","4","8","1") = "9"
    & skf18("10","2","9","4","4","9","1") = "9"
    & skf18("10","2","9","4","4","10","1") = "9"
    & skf18("10","2","9","4","5","1","1") = "9"
    & skf18("10","2","9","4","5","2","1") = "9"
    & skf18("10","2","9","4","5","3","1") = "9"
    & skf18("10","2","9","4","5","4","1") = "9"
    & skf18("10","2","9","4","5","5","1") = "9"
    & skf18("10","2","9","4","5","6","1") = "9"
    & skf18("10","2","9","4","5","7","1") = "9"
    & skf18("10","2","9","4","5","8","1") = "9"
    & skf18("10","2","9","4","5","9","1") = "9"
    & skf18("10","2","9","4","5","10","1") = "9"
    & skf18("10","2","9","4","6","1","1") = "9"
    & skf18("10","2","9","4","6","2","1") = "9"
    & skf18("10","2","9","4","6","3","1") = "9"
    & skf18("10","2","9","4","6","4","1") = "9"
    & skf18("10","2","9","4","6","5","1") = "9"
    & skf18("10","2","9","4","6","6","1") = "9"
    & skf18("10","2","9","4","6","7","1") = "9"
    & skf18("10","2","9","4","6","8","1") = "9"
    & skf18("10","2","9","4","6","9","1") = "9"
    & skf18("10","2","9","4","6","10","1") = "9"
    & skf18("10","2","9","4","7","1","1") = "9"
    & skf18("10","2","9","4","7","2","1") = "9"
    & skf18("10","2","9","4","7","3","1") = "9"
    & skf18("10","2","9","4","7","4","1") = "9"
    & skf18("10","2","9","4","7","5","1") = "9"
    & skf18("10","2","9","4","7","6","1") = "9"
    & skf18("10","2","9","4","7","7","1") = "9"
    & skf18("10","2","9","4","7","8","1") = "9"
    & skf18("10","2","9","4","7","9","1") = "9"
    & skf18("10","2","9","4","7","10","1") = "9"
    & skf18("10","2","9","4","8","1","1") = "9"
    & skf18("10","2","9","4","8","2","1") = "9"
    & skf18("10","2","9","4","8","3","1") = "9"
    & skf18("10","2","9","4","8","4","1") = "9"
    & skf18("10","2","9","4","8","5","1") = "9"
    & skf18("10","2","9","4","8","6","1") = "9"
    & skf18("10","2","9","4","8","7","1") = "9"
    & skf18("10","2","9","4","8","8","1") = "9"
    & skf18("10","2","9","4","8","9","1") = "9"
    & skf18("10","2","9","4","8","10","1") = "9"
    & skf18("10","2","9","4","9","1","1") = "9"
    & skf18("10","2","9","4","9","2","1") = "9"
    & skf18("10","2","9","4","9","3","1") = "9"
    & skf18("10","2","9","4","9","4","1") = "9"
    & skf18("10","2","9","4","9","5","1") = "9"
    & skf18("10","2","9","4","9","6","1") = "9"
    & skf18("10","2","9","4","9","7","1") = "9"
    & skf18("10","2","9","4","9","8","1") = "9"
    & skf18("10","2","9","4","9","9","1") = "9"
    & skf18("10","2","9","4","9","10","1") = "9"
    & skf18("10","2","9","4","10","1","1") = "9"
    & skf18("10","2","9","4","10","2","1") = "9"
    & skf18("10","2","9","4","10","3","1") = "9"
    & skf18("10","2","9","4","10","4","1") = "9"
    & skf18("10","2","9","4","10","5","1") = "9"
    & skf18("10","2","9","4","10","6","1") = "9"
    & skf18("10","2","9","4","10","7","1") = "9"
    & skf18("10","2","9","4","10","8","1") = "9"
    & skf18("10","2","9","4","10","9","1") = "9"
    & skf18("10","2","9","4","10","10","1") = "9"
    & skf18("10","2","9","5","1","1","1") = "9"
    & skf18("10","2","9","5","1","2","1") = "9"
    & skf18("10","2","9","5","1","3","1") = "9"
    & skf18("10","2","9","5","1","4","1") = "9"
    & skf18("10","2","9","5","1","5","1") = "9"
    & skf18("10","2","9","5","1","6","1") = "9"
    & skf18("10","2","9","5","1","7","1") = "9"
    & skf18("10","2","9","5","1","8","1") = "9"
    & skf18("10","2","9","5","1","9","1") = "9"
    & skf18("10","2","9","5","1","10","1") = "9"
    & skf18("10","2","9","5","2","1","1") = "9"
    & skf18("10","2","9","5","2","2","1") = "9"
    & skf18("10","2","9","5","2","3","1") = "9"
    & skf18("10","2","9","5","2","4","1") = "9"
    & skf18("10","2","9","5","2","5","1") = "9"
    & skf18("10","2","9","5","2","6","1") = "9"
    & skf18("10","2","9","5","2","7","1") = "9"
    & skf18("10","2","9","5","2","8","1") = "9"
    & skf18("10","2","9","5","2","9","1") = "9"
    & skf18("10","2","9","5","2","10","1") = "9"
    & skf18("10","2","9","5","3","1","1") = "9"
    & skf18("10","2","9","5","3","2","1") = "9"
    & skf18("10","2","9","5","3","3","1") = "9"
    & skf18("10","2","9","5","3","4","1") = "9"
    & skf18("10","2","9","5","3","5","1") = "9"
    & skf18("10","2","9","5","3","6","1") = "9"
    & skf18("10","2","9","5","3","7","1") = "9"
    & skf18("10","2","9","5","3","8","1") = "9"
    & skf18("10","2","9","5","3","9","1") = "9"
    & skf18("10","2","9","5","3","10","1") = "9"
    & skf18("10","2","9","5","4","1","1") = "9"
    & skf18("10","2","9","5","4","2","1") = "9"
    & skf18("10","2","9","5","4","3","1") = "9"
    & skf18("10","2","9","5","4","4","1") = "9"
    & skf18("10","2","9","5","4","5","1") = "9"
    & skf18("10","2","9","5","4","6","1") = "9"
    & skf18("10","2","9","5","4","7","1") = "9"
    & skf18("10","2","9","5","4","8","1") = "9"
    & skf18("10","2","9","5","4","9","1") = "9"
    & skf18("10","2","9","5","4","10","1") = "9"
    & skf18("10","2","9","5","5","1","1") = "9"
    & skf18("10","2","9","5","5","2","1") = "9"
    & skf18("10","2","9","5","5","3","1") = "9"
    & skf18("10","2","9","5","5","4","1") = "9"
    & skf18("10","2","9","5","5","5","1") = "9"
    & skf18("10","2","9","5","5","6","1") = "9"
    & skf18("10","2","9","5","5","7","1") = "9"
    & skf18("10","2","9","5","5","8","1") = "9"
    & skf18("10","2","9","5","5","9","1") = "9"
    & skf18("10","2","9","5","5","10","1") = "9"
    & skf18("10","2","9","5","6","1","1") = "9"
    & skf18("10","2","9","5","6","2","1") = "9"
    & skf18("10","2","9","5","6","3","1") = "9"
    & skf18("10","2","9","5","6","4","1") = "9"
    & skf18("10","2","9","5","6","5","1") = "9"
    & skf18("10","2","9","5","6","6","1") = "9"
    & skf18("10","2","9","5","6","7","1") = "9"
    & skf18("10","2","9","5","6","8","1") = "9"
    & skf18("10","2","9","5","6","9","1") = "9"
    & skf18("10","2","9","5","6","10","1") = "9"
    & skf18("10","2","9","5","7","1","1") = "9"
    & skf18("10","2","9","5","7","2","1") = "9"
    & skf18("10","2","9","5","7","3","1") = "9"
    & skf18("10","2","9","5","7","4","1") = "9"
    & skf18("10","2","9","5","7","5","1") = "9"
    & skf18("10","2","9","5","7","6","1") = "9"
    & skf18("10","2","9","5","7","7","1") = "9"
    & skf18("10","2","9","5","7","8","1") = "9"
    & skf18("10","2","9","5","7","9","1") = "9"
    & skf18("10","2","9","5","7","10","1") = "9"
    & skf18("10","2","9","5","8","1","1") = "9"
    & skf18("10","2","9","5","8","2","1") = "9"
    & skf18("10","2","9","5","8","3","1") = "9"
    & skf18("10","2","9","5","8","4","1") = "9"
    & skf18("10","2","9","5","8","5","1") = "9"
    & skf18("10","2","9","5","8","6","1") = "9"
    & skf18("10","2","9","5","8","7","1") = "9"
    & skf18("10","2","9","5","8","8","1") = "9"
    & skf18("10","2","9","5","8","9","1") = "9"
    & skf18("10","2","9","5","8","10","1") = "9"
    & skf18("10","2","9","5","9","1","1") = "9"
    & skf18("10","2","9","5","9","2","1") = "9"
    & skf18("10","2","9","5","9","3","1") = "9"
    & skf18("10","2","9","5","9","4","1") = "9"
    & skf18("10","2","9","5","9","5","1") = "9"
    & skf18("10","2","9","5","9","6","1") = "9"
    & skf18("10","2","9","5","9","7","1") = "9"
    & skf18("10","2","9","5","9","8","1") = "9"
    & skf18("10","2","9","5","9","9","1") = "9"
    & skf18("10","2","9","5","9","10","1") = "9"
    & skf18("10","2","9","5","10","1","1") = "9"
    & skf18("10","2","9","5","10","2","1") = "9"
    & skf18("10","2","9","5","10","3","1") = "9"
    & skf18("10","2","9","5","10","4","1") = "9"
    & skf18("10","2","9","5","10","5","1") = "9"
    & skf18("10","2","9","5","10","6","1") = "9"
    & skf18("10","2","9","5","10","7","1") = "9"
    & skf18("10","2","9","5","10","8","1") = "9"
    & skf18("10","2","9","5","10","9","1") = "9"
    & skf18("10","2","9","5","10","10","1") = "9"
    & skf18("10","2","9","6","1","1","1") = "9"
    & skf18("10","2","9","6","1","2","1") = "9"
    & skf18("10","2","9","6","1","3","1") = "9"
    & skf18("10","2","9","6","1","4","1") = "9"
    & skf18("10","2","9","6","1","5","1") = "9"
    & skf18("10","2","9","6","1","6","1") = "9"
    & skf18("10","2","9","6","1","7","1") = "9"
    & skf18("10","2","9","6","1","8","1") = "9"
    & skf18("10","2","9","6","1","9","1") = "9"
    & skf18("10","2","9","6","1","10","1") = "9"
    & skf18("10","2","9","6","2","1","1") = "9"
    & skf18("10","2","9","6","2","2","1") = "9"
    & skf18("10","2","9","6","2","3","1") = "9"
    & skf18("10","2","9","6","2","4","1") = "9"
    & skf18("10","2","9","6","2","5","1") = "9"
    & skf18("10","2","9","6","2","6","1") = "9"
    & skf18("10","2","9","6","2","7","1") = "9"
    & skf18("10","2","9","6","2","8","1") = "9"
    & skf18("10","2","9","6","2","9","1") = "9"
    & skf18("10","2","9","6","2","10","1") = "9"
    & skf18("10","2","9","6","3","1","1") = "9"
    & skf18("10","2","9","6","3","2","1") = "9"
    & skf18("10","2","9","6","3","3","1") = "9"
    & skf18("10","2","9","6","3","4","1") = "9"
    & skf18("10","2","9","6","3","5","1") = "9"
    & skf18("10","2","9","6","3","6","1") = "9"
    & skf18("10","2","9","6","3","7","1") = "9"
    & skf18("10","2","9","6","3","8","1") = "9"
    & skf18("10","2","9","6","3","9","1") = "9"
    & skf18("10","2","9","6","3","10","1") = "9"
    & skf18("10","2","9","6","4","1","1") = "9"
    & skf18("10","2","9","6","4","2","1") = "9"
    & skf18("10","2","9","6","4","3","1") = "9"
    & skf18("10","2","9","6","4","4","1") = "9"
    & skf18("10","2","9","6","4","5","1") = "9"
    & skf18("10","2","9","6","4","6","1") = "9"
    & skf18("10","2","9","6","4","7","1") = "9"
    & skf18("10","2","9","6","4","8","1") = "9"
    & skf18("10","2","9","6","4","9","1") = "9"
    & skf18("10","2","9","6","4","10","1") = "9"
    & skf18("10","2","9","6","5","1","1") = "9"
    & skf18("10","2","9","6","5","2","1") = "9"
    & skf18("10","2","9","6","5","3","1") = "9"
    & skf18("10","2","9","6","5","4","1") = "9"
    & skf18("10","2","9","6","5","5","1") = "9"
    & skf18("10","2","9","6","5","6","1") = "9"
    & skf18("10","2","9","6","5","7","1") = "9"
    & skf18("10","2","9","6","5","8","1") = "9"
    & skf18("10","2","9","6","5","9","1") = "9"
    & skf18("10","2","9","6","5","10","1") = "9"
    & skf18("10","2","9","6","6","1","1") = "9"
    & skf18("10","2","9","6","6","2","1") = "9"
    & skf18("10","2","9","6","6","3","1") = "9"
    & skf18("10","2","9","6","6","4","1") = "9"
    & skf18("10","2","9","6","6","5","1") = "9"
    & skf18("10","2","9","6","6","6","1") = "9"
    & skf18("10","2","9","6","6","7","1") = "9"
    & skf18("10","2","9","6","6","8","1") = "9"
    & skf18("10","2","9","6","6","9","1") = "9"
    & skf18("10","2","9","6","6","10","1") = "9"
    & skf18("10","2","9","6","7","1","1") = "9"
    & skf18("10","2","9","6","7","2","1") = "9"
    & skf18("10","2","9","6","7","3","1") = "9"
    & skf18("10","2","9","6","7","4","1") = "9"
    & skf18("10","2","9","6","7","5","1") = "9"
    & skf18("10","2","9","6","7","6","1") = "9"
    & skf18("10","2","9","6","7","7","1") = "9"
    & skf18("10","2","9","6","7","8","1") = "9"
    & skf18("10","2","9","6","7","9","1") = "9"
    & skf18("10","2","9","6","7","10","1") = "9"
    & skf18("10","2","9","6","8","1","1") = "9"
    & skf18("10","2","9","6","8","2","1") = "9"
    & skf18("10","2","9","6","8","3","1") = "9"
    & skf18("10","2","9","6","8","4","1") = "9"
    & skf18("10","2","9","6","8","5","1") = "9"
    & skf18("10","2","9","6","8","6","1") = "9"
    & skf18("10","2","9","6","8","7","1") = "9"
    & skf18("10","2","9","6","8","8","1") = "9"
    & skf18("10","2","9","6","8","9","1") = "9"
    & skf18("10","2","9","6","8","10","1") = "9"
    & skf18("10","2","9","6","9","1","1") = "9"
    & skf18("10","2","9","6","9","2","1") = "9"
    & skf18("10","2","9","6","9","3","1") = "9"
    & skf18("10","2","9","6","9","4","1") = "9"
    & skf18("10","2","9","6","9","5","1") = "9"
    & skf18("10","2","9","6","9","6","1") = "9"
    & skf18("10","2","9","6","9","7","1") = "9"
    & skf18("10","2","9","6","9","8","1") = "9"
    & skf18("10","2","9","6","9","9","1") = "9"
    & skf18("10","2","9","6","9","10","1") = "9"
    & skf18("10","2","9","6","10","1","1") = "9"
    & skf18("10","2","9","6","10","2","1") = "9"
    & skf18("10","2","9","6","10","3","1") = "9"
    & skf18("10","2","9","6","10","4","1") = "9"
    & skf18("10","2","9","6","10","5","1") = "9"
    & skf18("10","2","9","6","10","6","1") = "9"
    & skf18("10","2","9","6","10","7","1") = "9"
    & skf18("10","2","9","6","10","8","1") = "9"
    & skf18("10","2","9","6","10","9","1") = "9"
    & skf18("10","2","9","6","10","10","1") = "9"
    & skf18("10","2","9","7","1","1","1") = "9"
    & skf18("10","2","9","7","1","2","1") = "9"
    & skf18("10","2","9","7","1","3","1") = "9"
    & skf18("10","2","9","7","1","4","1") = "9"
    & skf18("10","2","9","7","1","5","1") = "9"
    & skf18("10","2","9","7","1","6","1") = "9"
    & skf18("10","2","9","7","1","7","1") = "9"
    & skf18("10","2","9","7","1","8","1") = "9"
    & skf18("10","2","9","7","1","9","1") = "9"
    & skf18("10","2","9","7","1","10","1") = "9"
    & skf18("10","2","9","7","2","1","1") = "9"
    & skf18("10","2","9","7","2","2","1") = "9"
    & skf18("10","2","9","7","2","3","1") = "9"
    & skf18("10","2","9","7","2","4","1") = "9"
    & skf18("10","2","9","7","2","5","1") = "9"
    & skf18("10","2","9","7","2","6","1") = "9"
    & skf18("10","2","9","7","2","7","1") = "9"
    & skf18("10","2","9","7","2","8","1") = "9"
    & skf18("10","2","9","7","2","9","1") = "9"
    & skf18("10","2","9","7","2","10","1") = "9"
    & skf18("10","2","9","7","3","1","1") = "9"
    & skf18("10","2","9","7","3","2","1") = "9"
    & skf18("10","2","9","7","3","3","1") = "9"
    & skf18("10","2","9","7","3","4","1") = "9"
    & skf18("10","2","9","7","3","5","1") = "9"
    & skf18("10","2","9","7","3","6","1") = "9"
    & skf18("10","2","9","7","3","7","1") = "9"
    & skf18("10","2","9","7","3","8","1") = "9"
    & skf18("10","2","9","7","3","9","1") = "9"
    & skf18("10","2","9","7","3","10","1") = "9"
    & skf18("10","2","9","7","4","1","1") = "9"
    & skf18("10","2","9","7","4","2","1") = "9"
    & skf18("10","2","9","7","4","3","1") = "9"
    & skf18("10","2","9","7","4","4","1") = "9"
    & skf18("10","2","9","7","4","5","1") = "9"
    & skf18("10","2","9","7","4","6","1") = "9"
    & skf18("10","2","9","7","4","7","1") = "9"
    & skf18("10","2","9","7","4","8","1") = "9"
    & skf18("10","2","9","7","4","9","1") = "9"
    & skf18("10","2","9","7","4","10","1") = "9"
    & skf18("10","2","9","7","5","1","1") = "9"
    & skf18("10","2","9","7","5","2","1") = "9"
    & skf18("10","2","9","7","5","3","1") = "9"
    & skf18("10","2","9","7","5","4","1") = "9"
    & skf18("10","2","9","7","5","5","1") = "9"
    & skf18("10","2","9","7","5","6","1") = "9"
    & skf18("10","2","9","7","5","7","1") = "9"
    & skf18("10","2","9","7","5","8","1") = "9"
    & skf18("10","2","9","7","5","9","1") = "9"
    & skf18("10","2","9","7","5","10","1") = "9"
    & skf18("10","2","9","7","6","1","1") = "9"
    & skf18("10","2","9","7","6","2","1") = "9"
    & skf18("10","2","9","7","6","3","1") = "9"
    & skf18("10","2","9","7","6","4","1") = "9"
    & skf18("10","2","9","7","6","5","1") = "9"
    & skf18("10","2","9","7","6","6","1") = "9"
    & skf18("10","2","9","7","6","7","1") = "9"
    & skf18("10","2","9","7","6","8","1") = "9"
    & skf18("10","2","9","7","6","9","1") = "9"
    & skf18("10","2","9","7","6","10","1") = "9"
    & skf18("10","2","9","7","7","1","1") = "9"
    & skf18("10","2","9","7","7","2","1") = "9"
    & skf18("10","2","9","7","7","3","1") = "9"
    & skf18("10","2","9","7","7","4","1") = "9"
    & skf18("10","2","9","7","7","5","1") = "9"
    & skf18("10","2","9","7","7","6","1") = "9"
    & skf18("10","2","9","7","7","7","1") = "9"
    & skf18("10","2","9","7","7","8","1") = "9"
    & skf18("10","2","9","7","7","9","1") = "9"
    & skf18("10","2","9","7","7","10","1") = "9"
    & skf18("10","2","9","7","8","1","1") = "9"
    & skf18("10","2","9","7","8","2","1") = "9"
    & skf18("10","2","9","7","8","3","1") = "9"
    & skf18("10","2","9","7","8","4","1") = "9"
    & skf18("10","2","9","7","8","5","1") = "9"
    & skf18("10","2","9","7","8","6","1") = "9"
    & skf18("10","2","9","7","8","7","1") = "9"
    & skf18("10","2","9","7","8","8","1") = "9"
    & skf18("10","2","9","7","8","9","1") = "9"
    & skf18("10","2","9","7","8","10","1") = "9"
    & skf18("10","2","9","7","9","1","1") = "9"
    & skf18("10","2","9","7","9","2","1") = "9"
    & skf18("10","2","9","7","9","3","1") = "9"
    & skf18("10","2","9","7","9","4","1") = "9"
    & skf18("10","2","9","7","9","5","1") = "9"
    & skf18("10","2","9","7","9","6","1") = "9"
    & skf18("10","2","9","7","9","7","1") = "9"
    & skf18("10","2","9","7","9","8","1") = "9"
    & skf18("10","2","9","7","9","9","1") = "9"
    & skf18("10","2","9","7","9","10","1") = "9"
    & skf18("10","2","9","7","10","1","1") = "9"
    & skf18("10","2","9","7","10","2","1") = "9"
    & skf18("10","2","9","7","10","3","1") = "9"
    & skf18("10","2","9","7","10","4","1") = "9"
    & skf18("10","2","9","7","10","5","1") = "9"
    & skf18("10","2","9","7","10","6","1") = "9"
    & skf18("10","2","9","7","10","7","1") = "9"
    & skf18("10","2","9","7","10","8","1") = "9"
    & skf18("10","2","9","7","10","9","1") = "9"
    & skf18("10","2","9","7","10","10","1") = "9"
    & skf18("10","2","9","8","1","1","1") = "9"
    & skf18("10","2","9","8","1","2","1") = "9"
    & skf18("10","2","9","8","1","3","1") = "9"
    & skf18("10","2","9","8","1","4","1") = "9"
    & skf18("10","2","9","8","1","5","1") = "9"
    & skf18("10","2","9","8","1","6","1") = "9"
    & skf18("10","2","9","8","1","7","1") = "9"
    & skf18("10","2","9","8","1","8","1") = "9"
    & skf18("10","2","9","8","1","9","1") = "9"
    & skf18("10","2","9","8","1","10","1") = "9"
    & skf18("10","2","9","8","2","1","1") = "9"
    & skf18("10","2","9","8","2","2","1") = "9"
    & skf18("10","2","9","8","2","3","1") = "9"
    & skf18("10","2","9","8","2","4","1") = "9"
    & skf18("10","2","9","8","2","5","1") = "9"
    & skf18("10","2","9","8","2","6","1") = "9"
    & skf18("10","2","9","8","2","7","1") = "9"
    & skf18("10","2","9","8","2","8","1") = "9"
    & skf18("10","2","9","8","2","9","1") = "9"
    & skf18("10","2","9","8","2","10","1") = "9"
    & skf18("10","2","9","8","3","1","1") = "9"
    & skf18("10","2","9","8","3","2","1") = "9"
    & skf18("10","2","9","8","3","3","1") = "9"
    & skf18("10","2","9","8","3","4","1") = "9"
    & skf18("10","2","9","8","3","5","1") = "9"
    & skf18("10","2","9","8","3","6","1") = "9"
    & skf18("10","2","9","8","3","7","1") = "9"
    & skf18("10","2","9","8","3","8","1") = "9"
    & skf18("10","2","9","8","3","9","1") = "9"
    & skf18("10","2","9","8","3","10","1") = "9"
    & skf18("10","2","9","8","4","1","1") = "9"
    & skf18("10","2","9","8","4","2","1") = "9"
    & skf18("10","2","9","8","4","3","1") = "9"
    & skf18("10","2","9","8","4","4","1") = "9"
    & skf18("10","2","9","8","4","5","1") = "9"
    & skf18("10","2","9","8","4","6","1") = "9"
    & skf18("10","2","9","8","4","7","1") = "9"
    & skf18("10","2","9","8","4","8","1") = "9"
    & skf18("10","2","9","8","4","9","1") = "9"
    & skf18("10","2","9","8","4","10","1") = "9"
    & skf18("10","2","9","8","5","1","1") = "9"
    & skf18("10","2","9","8","5","2","1") = "9"
    & skf18("10","2","9","8","5","3","1") = "9"
    & skf18("10","2","9","8","5","4","1") = "9"
    & skf18("10","2","9","8","5","5","1") = "9"
    & skf18("10","2","9","8","5","6","1") = "9"
    & skf18("10","2","9","8","5","7","1") = "9"
    & skf18("10","2","9","8","5","8","1") = "9"
    & skf18("10","2","9","8","5","9","1") = "9"
    & skf18("10","2","9","8","5","10","1") = "9"
    & skf18("10","2","9","8","6","1","1") = "9"
    & skf18("10","2","9","8","6","2","1") = "9"
    & skf18("10","2","9","8","6","3","1") = "9"
    & skf18("10","2","9","8","6","4","1") = "9"
    & skf18("10","2","9","8","6","5","1") = "9"
    & skf18("10","2","9","8","6","6","1") = "9"
    & skf18("10","2","9","8","6","7","1") = "9"
    & skf18("10","2","9","8","6","8","1") = "9"
    & skf18("10","2","9","8","6","9","1") = "9"
    & skf18("10","2","9","8","6","10","1") = "9"
    & skf18("10","2","9","8","7","1","1") = "9"
    & skf18("10","2","9","8","7","2","1") = "9"
    & skf18("10","2","9","8","7","3","1") = "9"
    & skf18("10","2","9","8","7","4","1") = "9"
    & skf18("10","2","9","8","7","5","1") = "9"
    & skf18("10","2","9","8","7","6","1") = "9"
    & skf18("10","2","9","8","7","7","1") = "9"
    & skf18("10","2","9","8","7","8","1") = "9"
    & skf18("10","2","9","8","7","9","1") = "9"
    & skf18("10","2","9","8","7","10","1") = "9"
    & skf18("10","2","9","8","8","1","1") = "9"
    & skf18("10","2","9","8","8","2","1") = "9"
    & skf18("10","2","9","8","8","3","1") = "9"
    & skf18("10","2","9","8","8","4","1") = "9"
    & skf18("10","2","9","8","8","5","1") = "9"
    & skf18("10","2","9","8","8","6","1") = "9"
    & skf18("10","2","9","8","8","7","1") = "9"
    & skf18("10","2","9","8","8","8","1") = "9"
    & skf18("10","2","9","8","8","9","1") = "9"
    & skf18("10","2","9","8","8","10","1") = "9"
    & skf18("10","2","9","8","9","1","1") = "9"
    & skf18("10","2","9","8","9","2","1") = "9"
    & skf18("10","2","9","8","9","3","1") = "9"
    & skf18("10","2","9","8","9","4","1") = "9"
    & skf18("10","2","9","8","9","5","1") = "9"
    & skf18("10","2","9","8","9","6","1") = "9"
    & skf18("10","2","9","8","9","7","1") = "9"
    & skf18("10","2","9","8","9","8","1") = "9"
    & skf18("10","2","9","8","9","9","1") = "9"
    & skf18("10","2","9","8","9","10","1") = "9"
    & skf18("10","2","9","8","10","1","1") = "9"
    & skf18("10","2","9","8","10","2","1") = "9"
    & skf18("10","2","9","8","10","3","1") = "9"
    & skf18("10","2","9","8","10","4","1") = "9"
    & skf18("10","2","9","8","10","5","1") = "9"
    & skf18("10","2","9","8","10","6","1") = "9"
    & skf18("10","2","9","8","10","7","1") = "9"
    & skf18("10","2","9","8","10","8","1") = "9"
    & skf18("10","2","9","8","10","9","1") = "9"
    & skf18("10","2","9","8","10","10","1") = "9"
    & skf18("10","2","9","9","1","1","1") = "9"
    & skf18("10","2","9","9","1","2","1") = "9"
    & skf18("10","2","9","9","1","3","1") = "9"
    & skf18("10","2","9","9","1","4","1") = "9"
    & skf18("10","2","9","9","1","5","1") = "9"
    & skf18("10","2","9","9","1","6","1") = "9"
    & skf18("10","2","9","9","1","7","1") = "9"
    & skf18("10","2","9","9","1","8","1") = "9"
    & skf18("10","2","9","9","1","9","1") = "9"
    & skf18("10","2","9","9","1","10","1") = "9"
    & skf18("10","2","9","9","2","1","1") = "9"
    & skf18("10","2","9","9","2","2","1") = "9"
    & skf18("10","2","9","9","2","3","1") = "9"
    & skf18("10","2","9","9","2","4","1") = "9"
    & skf18("10","2","9","9","2","5","1") = "9"
    & skf18("10","2","9","9","2","6","1") = "9"
    & skf18("10","2","9","9","2","7","1") = "9"
    & skf18("10","2","9","9","2","8","1") = "9"
    & skf18("10","2","9","9","2","9","1") = "9"
    & skf18("10","2","9","9","2","10","1") = "9"
    & skf18("10","2","9","9","3","1","1") = "9"
    & skf18("10","2","9","9","3","2","1") = "9"
    & skf18("10","2","9","9","3","3","1") = "9"
    & skf18("10","2","9","9","3","4","1") = "9"
    & skf18("10","2","9","9","3","5","1") = "9"
    & skf18("10","2","9","9","3","6","1") = "9"
    & skf18("10","2","9","9","3","7","1") = "9"
    & skf18("10","2","9","9","3","8","1") = "9"
    & skf18("10","2","9","9","3","9","1") = "9"
    & skf18("10","2","9","9","3","10","1") = "9"
    & skf18("10","2","9","9","4","1","1") = "9"
    & skf18("10","2","9","9","4","2","1") = "9"
    & skf18("10","2","9","9","4","3","1") = "9"
    & skf18("10","2","9","9","4","4","1") = "9"
    & skf18("10","2","9","9","4","5","1") = "9"
    & skf18("10","2","9","9","4","6","1") = "9"
    & skf18("10","2","9","9","4","7","1") = "9"
    & skf18("10","2","9","9","4","8","1") = "9"
    & skf18("10","2","9","9","4","9","1") = "9"
    & skf18("10","2","9","9","4","10","1") = "9"
    & skf18("10","2","9","9","5","1","1") = "9"
    & skf18("10","2","9","9","5","2","1") = "9"
    & skf18("10","2","9","9","5","3","1") = "9"
    & skf18("10","2","9","9","5","4","1") = "9"
    & skf18("10","2","9","9","5","5","1") = "9"
    & skf18("10","2","9","9","5","6","1") = "9"
    & skf18("10","2","9","9","5","7","1") = "9"
    & skf18("10","2","9","9","5","8","1") = "9"
    & skf18("10","2","9","9","5","9","1") = "9"
    & skf18("10","2","9","9","5","10","1") = "9"
    & skf18("10","2","9","9","6","1","1") = "9"
    & skf18("10","2","9","9","6","2","1") = "9"
    & skf18("10","2","9","9","6","3","1") = "9"
    & skf18("10","2","9","9","6","4","1") = "9"
    & skf18("10","2","9","9","6","5","1") = "9"
    & skf18("10","2","9","9","6","6","1") = "9"
    & skf18("10","2","9","9","6","7","1") = "9"
    & skf18("10","2","9","9","6","8","1") = "9"
    & skf18("10","2","9","9","6","9","1") = "9"
    & skf18("10","2","9","9","6","10","1") = "9"
    & skf18("10","2","9","9","7","1","1") = "9"
    & skf18("10","2","9","9","7","2","1") = "9"
    & skf18("10","2","9","9","7","3","1") = "9"
    & skf18("10","2","9","9","7","4","1") = "9"
    & skf18("10","2","9","9","7","5","1") = "9"
    & skf18("10","2","9","9","7","6","1") = "9"
    & skf18("10","2","9","9","7","7","1") = "9"
    & skf18("10","2","9","9","7","8","1") = "9"
    & skf18("10","2","9","9","7","9","1") = "9"
    & skf18("10","2","9","9","7","10","1") = "9"
    & skf18("10","2","9","9","8","1","1") = "9"
    & skf18("10","2","9","9","8","2","1") = "9"
    & skf18("10","2","9","9","8","3","1") = "9"
    & skf18("10","2","9","9","8","4","1") = "9"
    & skf18("10","2","9","9","8","5","1") = "9"
    & skf18("10","2","9","9","8","6","1") = "9"
    & skf18("10","2","9","9","8","7","1") = "9"
    & skf18("10","2","9","9","8","8","1") = "9"
    & skf18("10","2","9","9","8","9","1") = "9"
    & skf18("10","2","9","9","8","10","1") = "9"
    & skf18("10","2","9","9","9","1","1") = "9"
    & skf18("10","2","9","9","9","2","1") = "9"
    & skf18("10","2","9","9","9","3","1") = "9"
    & skf18("10","2","9","9","9","4","1") = "9"
    & skf18("10","2","9","9","9","5","1") = "9"
    & skf18("10","2","9","9","9","6","1") = "9"
    & skf18("10","2","9","9","9","7","1") = "9"
    & skf18("10","2","9","9","9","8","1") = "9"
    & skf18("10","2","9","9","9","9","1") = "9"
    & skf18("10","2","9","9","9","10","1") = "9"
    & skf18("10","2","9","9","10","1","1") = "9"
    & skf18("10","2","9","9","10","2","1") = "9"
    & skf18("10","2","9","9","10","3","1") = "9"
    & skf18("10","2","9","9","10","4","1") = "9"
    & skf18("10","2","9","9","10","5","1") = "9"
    & skf18("10","2","9","9","10","6","1") = "9"
    & skf18("10","2","9","9","10","7","1") = "9"
    & skf18("10","2","9","9","10","8","1") = "9"
    & skf18("10","2","9","9","10","9","1") = "9"
    & skf18("10","2","9","9","10","10","1") = "9"
    & skf18("10","2","9","10","1","1","1") = "9"
    & skf18("10","2","9","10","1","2","1") = "9"
    & skf18("10","2","9","10","1","3","1") = "9"
    & skf18("10","2","9","10","1","4","1") = "9"
    & skf18("10","2","9","10","1","5","1") = "9"
    & skf18("10","2","9","10","1","6","1") = "9"
    & skf18("10","2","9","10","1","7","1") = "9"
    & skf18("10","2","9","10","1","8","1") = "9"
    & skf18("10","2","9","10","1","9","1") = "9"
    & skf18("10","2","9","10","1","10","1") = "9"
    & skf18("10","2","9","10","2","1","1") = "9"
    & skf18("10","2","9","10","2","2","1") = "9"
    & skf18("10","2","9","10","2","3","1") = "9"
    & skf18("10","2","9","10","2","4","1") = "9"
    & skf18("10","2","9","10","2","5","1") = "9"
    & skf18("10","2","9","10","2","6","1") = "9"
    & skf18("10","2","9","10","2","7","1") = "9"
    & skf18("10","2","9","10","2","8","1") = "9"
    & skf18("10","2","9","10","2","9","1") = "9"
    & skf18("10","2","9","10","2","10","1") = "9"
    & skf18("10","2","9","10","3","1","1") = "9"
    & skf18("10","2","9","10","3","2","1") = "9"
    & skf18("10","2","9","10","3","3","1") = "9"
    & skf18("10","2","9","10","3","4","1") = "9"
    & skf18("10","2","9","10","3","5","1") = "9"
    & skf18("10","2","9","10","3","6","1") = "9"
    & skf18("10","2","9","10","3","7","1") = "9"
    & skf18("10","2","9","10","3","8","1") = "9"
    & skf18("10","2","9","10","3","9","1") = "9"
    & skf18("10","2","9","10","3","10","1") = "9"
    & skf18("10","2","9","10","4","1","1") = "9"
    & skf18("10","2","9","10","4","2","1") = "9"
    & skf18("10","2","9","10","4","3","1") = "9"
    & skf18("10","2","9","10","4","4","1") = "9"
    & skf18("10","2","9","10","4","5","1") = "9"
    & skf18("10","2","9","10","4","6","1") = "9"
    & skf18("10","2","9","10","4","7","1") = "9"
    & skf18("10","2","9","10","4","8","1") = "9"
    & skf18("10","2","9","10","4","9","1") = "9"
    & skf18("10","2","9","10","4","10","1") = "9"
    & skf18("10","2","9","10","5","1","1") = "9"
    & skf18("10","2","9","10","5","2","1") = "9"
    & skf18("10","2","9","10","5","3","1") = "9"
    & skf18("10","2","9","10","5","4","1") = "9"
    & skf18("10","2","9","10","5","5","1") = "9"
    & skf18("10","2","9","10","5","6","1") = "9"
    & skf18("10","2","9","10","5","7","1") = "9"
    & skf18("10","2","9","10","5","8","1") = "9"
    & skf18("10","2","9","10","5","9","1") = "9"
    & skf18("10","2","9","10","5","10","1") = "9"
    & skf18("10","2","9","10","6","1","1") = "9"
    & skf18("10","2","9","10","6","2","1") = "9"
    & skf18("10","2","9","10","6","3","1") = "9"
    & skf18("10","2","9","10","6","4","1") = "9"
    & skf18("10","2","9","10","6","5","1") = "9"
    & skf18("10","2","9","10","6","6","1") = "9"
    & skf18("10","2","9","10","6","7","1") = "9"
    & skf18("10","2","9","10","6","8","1") = "9"
    & skf18("10","2","9","10","6","9","1") = "9"
    & skf18("10","2","9","10","6","10","1") = "9"
    & skf18("10","2","9","10","7","1","1") = "9"
    & skf18("10","2","9","10","7","2","1") = "9"
    & skf18("10","2","9","10","7","3","1") = "9"
    & skf18("10","2","9","10","7","4","1") = "9"
    & skf18("10","2","9","10","7","5","1") = "9"
    & skf18("10","2","9","10","7","6","1") = "9"
    & skf18("10","2","9","10","7","7","1") = "9"
    & skf18("10","2","9","10","7","8","1") = "9"
    & skf18("10","2","9","10","7","9","1") = "9"
    & skf18("10","2","9","10","7","10","1") = "9"
    & skf18("10","2","9","10","8","1","1") = "9"
    & skf18("10","2","9","10","8","2","1") = "9"
    & skf18("10","2","9","10","8","3","1") = "9"
    & skf18("10","2","9","10","8","4","1") = "9"
    & skf18("10","2","9","10","8","5","1") = "9"
    & skf18("10","2","9","10","8","6","1") = "9"
    & skf18("10","2","9","10","8","7","1") = "9"
    & skf18("10","2","9","10","8","8","1") = "9"
    & skf18("10","2","9","10","8","9","1") = "9"
    & skf18("10","2","9","10","8","10","1") = "9"
    & skf18("10","2","9","10","9","1","1") = "9"
    & skf18("10","2","9","10","9","2","1") = "9"
    & skf18("10","2","9","10","9","3","1") = "9"
    & skf18("10","2","9","10","9","4","1") = "9"
    & skf18("10","2","9","10","9","5","1") = "9"
    & skf18("10","2","9","10","9","6","1") = "9"
    & skf18("10","2","9","10","9","7","1") = "9"
    & skf18("10","2","9","10","9","8","1") = "9"
    & skf18("10","2","9","10","9","9","1") = "9"
    & skf18("10","2","9","10","9","10","1") = "9"
    & skf18("10","2","9","10","10","1","1") = "9"
    & skf18("10","2","9","10","10","2","1") = "9"
    & skf18("10","2","9","10","10","3","1") = "9"
    & skf18("10","2","9","10","10","4","1") = "9"
    & skf18("10","2","9","10","10","5","1") = "9"
    & skf18("10","2","9","10","10","6","1") = "9"
    & skf18("10","2","9","10","10","7","1") = "9"
    & skf18("10","2","9","10","10","8","1") = "9"
    & skf18("10","2","9","10","10","9","1") = "9"
    & skf18("10","2","9","10","10","10","1") = "9"
    & skf18("10","2","10","1","1","1","1") = "9"
    & skf18("10","2","10","1","1","2","1") = "9"
    & skf18("10","2","10","1","1","3","1") = "9"
    & skf18("10","2","10","1","1","4","1") = "9"
    & skf18("10","2","10","1","1","5","1") = "9"
    & skf18("10","2","10","1","1","6","1") = "9"
    & skf18("10","2","10","1","1","7","1") = "9"
    & skf18("10","2","10","1","1","8","1") = "9"
    & skf18("10","2","10","1","1","9","1") = "9"
    & skf18("10","2","10","1","1","10","1") = "9"
    & skf18("10","2","10","1","2","1","1") = "9"
    & skf18("10","2","10","1","2","2","1") = "9"
    & skf18("10","2","10","1","2","3","1") = "9"
    & skf18("10","2","10","1","2","4","1") = "9"
    & skf18("10","2","10","1","2","5","1") = "9"
    & skf18("10","2","10","1","2","6","1") = "9"
    & skf18("10","2","10","1","2","7","1") = "9"
    & skf18("10","2","10","1","2","8","1") = "9"
    & skf18("10","2","10","1","2","9","1") = "9"
    & skf18("10","2","10","1","2","10","1") = "9"
    & skf18("10","2","10","1","3","1","1") = "9"
    & skf18("10","2","10","1","3","2","1") = "9"
    & skf18("10","2","10","1","3","3","1") = "9"
    & skf18("10","2","10","1","3","4","1") = "9"
    & skf18("10","2","10","1","3","5","1") = "9"
    & skf18("10","2","10","1","3","6","1") = "9"
    & skf18("10","2","10","1","3","7","1") = "9"
    & skf18("10","2","10","1","3","8","1") = "9"
    & skf18("10","2","10","1","3","9","1") = "9"
    & skf18("10","2","10","1","3","10","1") = "9"
    & skf18("10","2","10","1","4","1","1") = "9"
    & skf18("10","2","10","1","4","2","1") = "9"
    & skf18("10","2","10","1","4","3","1") = "9"
    & skf18("10","2","10","1","4","4","1") = "9"
    & skf18("10","2","10","1","4","5","1") = "9"
    & skf18("10","2","10","1","4","6","1") = "9"
    & skf18("10","2","10","1","4","7","1") = "9"
    & skf18("10","2","10","1","4","8","1") = "9"
    & skf18("10","2","10","1","4","9","1") = "9"
    & skf18("10","2","10","1","4","10","1") = "9"
    & skf18("10","2","10","1","5","1","1") = "9"
    & skf18("10","2","10","1","5","2","1") = "9"
    & skf18("10","2","10","1","5","3","1") = "9"
    & skf18("10","2","10","1","5","4","1") = "9"
    & skf18("10","2","10","1","5","5","1") = "9"
    & skf18("10","2","10","1","5","6","1") = "9"
    & skf18("10","2","10","1","5","7","1") = "9"
    & skf18("10","2","10","1","5","8","1") = "9"
    & skf18("10","2","10","1","5","9","1") = "9"
    & skf18("10","2","10","1","5","10","1") = "9"
    & skf18("10","2","10","1","6","1","1") = "9"
    & skf18("10","2","10","1","6","2","1") = "9"
    & skf18("10","2","10","1","6","3","1") = "9"
    & skf18("10","2","10","1","6","4","1") = "9"
    & skf18("10","2","10","1","6","5","1") = "9"
    & skf18("10","2","10","1","6","6","1") = "9"
    & skf18("10","2","10","1","6","7","1") = "9"
    & skf18("10","2","10","1","6","8","1") = "9"
    & skf18("10","2","10","1","6","9","1") = "9"
    & skf18("10","2","10","1","6","10","1") = "9"
    & skf18("10","2","10","1","7","1","1") = "9"
    & skf18("10","2","10","1","7","2","1") = "9"
    & skf18("10","2","10","1","7","3","1") = "9"
    & skf18("10","2","10","1","7","4","1") = "9"
    & skf18("10","2","10","1","7","5","1") = "9"
    & skf18("10","2","10","1","7","6","1") = "9"
    & skf18("10","2","10","1","7","7","1") = "9"
    & skf18("10","2","10","1","7","8","1") = "9"
    & skf18("10","2","10","1","7","9","1") = "9"
    & skf18("10","2","10","1","7","10","1") = "9"
    & skf18("10","2","10","1","8","1","1") = "9"
    & skf18("10","2","10","1","8","2","1") = "9"
    & skf18("10","2","10","1","8","3","1") = "9"
    & skf18("10","2","10","1","8","4","1") = "9"
    & skf18("10","2","10","1","8","5","1") = "9"
    & skf18("10","2","10","1","8","6","1") = "9"
    & skf18("10","2","10","1","8","7","1") = "9"
    & skf18("10","2","10","1","8","8","1") = "9"
    & skf18("10","2","10","1","8","9","1") = "9"
    & skf18("10","2","10","1","8","10","1") = "9"
    & skf18("10","2","10","1","9","1","1") = "9"
    & skf18("10","2","10","1","9","2","1") = "9"
    & skf18("10","2","10","1","9","3","1") = "9"
    & skf18("10","2","10","1","9","4","1") = "9"
    & skf18("10","2","10","1","9","5","1") = "9"
    & skf18("10","2","10","1","9","6","1") = "9"
    & skf18("10","2","10","1","9","7","1") = "9"
    & skf18("10","2","10","1","9","8","1") = "9"
    & skf18("10","2","10","1","9","9","1") = "9"
    & skf18("10","2","10","1","9","10","1") = "9"
    & skf18("10","2","10","1","10","1","1") = "9"
    & skf18("10","2","10","1","10","2","1") = "9"
    & skf18("10","2","10","1","10","3","1") = "9"
    & skf18("10","2","10","1","10","4","1") = "9"
    & skf18("10","2","10","1","10","5","1") = "9"
    & skf18("10","2","10","1","10","6","1") = "9"
    & skf18("10","2","10","1","10","7","1") = "9"
    & skf18("10","2","10","1","10","8","1") = "9"
    & skf18("10","2","10","1","10","9","1") = "9"
    & skf18("10","2","10","1","10","10","1") = "9"
    & skf18("10","2","10","2","1","1","1") = "9"
    & skf18("10","2","10","2","1","2","1") = "9"
    & skf18("10","2","10","2","1","3","1") = "9"
    & skf18("10","2","10","2","1","4","1") = "9"
    & skf18("10","2","10","2","1","5","1") = "9"
    & skf18("10","2","10","2","1","6","1") = "9"
    & skf18("10","2","10","2","1","7","1") = "9"
    & skf18("10","2","10","2","1","8","1") = "9"
    & skf18("10","2","10","2","1","9","1") = "9"
    & skf18("10","2","10","2","1","10","1") = "9"
    & skf18("10","2","10","2","2","1","1") = "9"
    & skf18("10","2","10","2","2","2","1") = "9"
    & skf18("10","2","10","2","2","3","1") = "9"
    & skf18("10","2","10","2","2","4","1") = "9"
    & skf18("10","2","10","2","2","5","1") = "9"
    & skf18("10","2","10","2","2","6","1") = "9"
    & skf18("10","2","10","2","2","7","1") = "9"
    & skf18("10","2","10","2","2","8","1") = "9"
    & skf18("10","2","10","2","2","9","1") = "9"
    & skf18("10","2","10","2","2","10","1") = "9"
    & skf18("10","2","10","2","3","1","1") = "9"
    & skf18("10","2","10","2","3","2","1") = "9"
    & skf18("10","2","10","2","3","3","1") = "9"
    & skf18("10","2","10","2","3","4","1") = "9"
    & skf18("10","2","10","2","3","5","1") = "9"
    & skf18("10","2","10","2","3","6","1") = "9"
    & skf18("10","2","10","2","3","7","1") = "9"
    & skf18("10","2","10","2","3","8","1") = "9"
    & skf18("10","2","10","2","3","9","1") = "9"
    & skf18("10","2","10","2","3","10","1") = "9"
    & skf18("10","2","10","2","4","1","1") = "9"
    & skf18("10","2","10","2","4","2","1") = "9"
    & skf18("10","2","10","2","4","3","1") = "9"
    & skf18("10","2","10","2","4","4","1") = "9"
    & skf18("10","2","10","2","4","5","1") = "9"
    & skf18("10","2","10","2","4","6","1") = "9"
    & skf18("10","2","10","2","4","7","1") = "9"
    & skf18("10","2","10","2","4","8","1") = "9"
    & skf18("10","2","10","2","4","9","1") = "9"
    & skf18("10","2","10","2","4","10","1") = "9"
    & skf18("10","2","10","2","5","1","1") = "9"
    & skf18("10","2","10","2","5","2","1") = "9"
    & skf18("10","2","10","2","5","3","1") = "9"
    & skf18("10","2","10","2","5","4","1") = "9"
    & skf18("10","2","10","2","5","5","1") = "9"
    & skf18("10","2","10","2","5","6","1") = "9"
    & skf18("10","2","10","2","5","7","1") = "9"
    & skf18("10","2","10","2","5","8","1") = "9"
    & skf18("10","2","10","2","5","9","1") = "9"
    & skf18("10","2","10","2","5","10","1") = "9"
    & skf18("10","2","10","2","6","1","1") = "9"
    & skf18("10","2","10","2","6","2","1") = "9"
    & skf18("10","2","10","2","6","3","1") = "9"
    & skf18("10","2","10","2","6","4","1") = "9"
    & skf18("10","2","10","2","6","5","1") = "9"
    & skf18("10","2","10","2","6","6","1") = "9"
    & skf18("10","2","10","2","6","7","1") = "9"
    & skf18("10","2","10","2","6","8","1") = "9"
    & skf18("10","2","10","2","6","9","1") = "9"
    & skf18("10","2","10","2","6","10","1") = "9"
    & skf18("10","2","10","2","7","1","1") = "9"
    & skf18("10","2","10","2","7","2","1") = "9"
    & skf18("10","2","10","2","7","3","1") = "9"
    & skf18("10","2","10","2","7","4","1") = "9"
    & skf18("10","2","10","2","7","5","1") = "9"
    & skf18("10","2","10","2","7","6","1") = "9"
    & skf18("10","2","10","2","7","7","1") = "9"
    & skf18("10","2","10","2","7","8","1") = "9"
    & skf18("10","2","10","2","7","9","1") = "9"
    & skf18("10","2","10","2","7","10","1") = "9"
    & skf18("10","2","10","2","8","1","1") = "9"
    & skf18("10","2","10","2","8","2","1") = "9"
    & skf18("10","2","10","2","8","3","1") = "9"
    & skf18("10","2","10","2","8","4","1") = "9"
    & skf18("10","2","10","2","8","5","1") = "9"
    & skf18("10","2","10","2","8","6","1") = "9"
    & skf18("10","2","10","2","8","7","1") = "9"
    & skf18("10","2","10","2","8","8","1") = "9"
    & skf18("10","2","10","2","8","9","1") = "9"
    & skf18("10","2","10","2","8","10","1") = "9"
    & skf18("10","2","10","2","9","1","1") = "9"
    & skf18("10","2","10","2","9","2","1") = "9"
    & skf18("10","2","10","2","9","3","1") = "9"
    & skf18("10","2","10","2","9","4","1") = "9"
    & skf18("10","2","10","2","9","5","1") = "9"
    & skf18("10","2","10","2","9","6","1") = "9"
    & skf18("10","2","10","2","9","7","1") = "9"
    & skf18("10","2","10","2","9","8","1") = "9"
    & skf18("10","2","10","2","9","9","1") = "9"
    & skf18("10","2","10","2","9","10","1") = "9"
    & skf18("10","2","10","2","10","1","1") = "9"
    & skf18("10","2","10","2","10","2","1") = "9"
    & skf18("10","2","10","2","10","3","1") = "9"
    & skf18("10","2","10","2","10","4","1") = "9"
    & skf18("10","2","10","2","10","5","1") = "9"
    & skf18("10","2","10","2","10","6","1") = "9"
    & skf18("10","2","10","2","10","7","1") = "9"
    & skf18("10","2","10","2","10","8","1") = "9"
    & skf18("10","2","10","2","10","9","1") = "9"
    & skf18("10","2","10","2","10","10","1") = "9"
    & skf18("10","2","10","3","1","1","1") = "9"
    & skf18("10","2","10","3","1","2","1") = "9"
    & skf18("10","2","10","3","1","3","1") = "9"
    & skf18("10","2","10","3","1","4","1") = "9"
    & skf18("10","2","10","3","1","5","1") = "9"
    & skf18("10","2","10","3","1","6","1") = "9"
    & skf18("10","2","10","3","1","7","1") = "9"
    & skf18("10","2","10","3","1","8","1") = "9"
    & skf18("10","2","10","3","1","9","1") = "9"
    & skf18("10","2","10","3","1","10","1") = "9"
    & skf18("10","2","10","3","2","1","1") = "9"
    & skf18("10","2","10","3","2","2","1") = "9"
    & skf18("10","2","10","3","2","3","1") = "9"
    & skf18("10","2","10","3","2","4","1") = "9"
    & skf18("10","2","10","3","2","5","1") = "9"
    & skf18("10","2","10","3","2","6","1") = "9"
    & skf18("10","2","10","3","2","7","1") = "9"
    & skf18("10","2","10","3","2","8","1") = "9"
    & skf18("10","2","10","3","2","9","1") = "9"
    & skf18("10","2","10","3","2","10","1") = "9"
    & skf18("10","2","10","3","3","1","1") = "9"
    & skf18("10","2","10","3","3","2","1") = "9"
    & skf18("10","2","10","3","3","3","1") = "9"
    & skf18("10","2","10","3","3","4","1") = "9"
    & skf18("10","2","10","3","3","5","1") = "9"
    & skf18("10","2","10","3","3","6","1") = "9"
    & skf18("10","2","10","3","3","7","1") = "9"
    & skf18("10","2","10","3","3","8","1") = "9"
    & skf18("10","2","10","3","3","9","1") = "9"
    & skf18("10","2","10","3","3","10","1") = "9"
    & skf18("10","2","10","3","4","1","1") = "9"
    & skf18("10","2","10","3","4","2","1") = "9"
    & skf18("10","2","10","3","4","3","1") = "9"
    & skf18("10","2","10","3","4","4","1") = "9"
    & skf18("10","2","10","3","4","5","1") = "9"
    & skf18("10","2","10","3","4","6","1") = "9"
    & skf18("10","2","10","3","4","7","1") = "9"
    & skf18("10","2","10","3","4","8","1") = "9"
    & skf18("10","2","10","3","4","9","1") = "9"
    & skf18("10","2","10","3","4","10","1") = "9"
    & skf18("10","2","10","3","5","1","1") = "9"
    & skf18("10","2","10","3","5","2","1") = "9"
    & skf18("10","2","10","3","5","3","1") = "9"
    & skf18("10","2","10","3","5","4","1") = "9"
    & skf18("10","2","10","3","5","5","1") = "9"
    & skf18("10","2","10","3","5","6","1") = "9"
    & skf18("10","2","10","3","5","7","1") = "9"
    & skf18("10","2","10","3","5","8","1") = "9"
    & skf18("10","2","10","3","5","9","1") = "9"
    & skf18("10","2","10","3","5","10","1") = "9"
    & skf18("10","2","10","3","6","1","1") = "9"
    & skf18("10","2","10","3","6","2","1") = "9"
    & skf18("10","2","10","3","6","3","1") = "9"
    & skf18("10","2","10","3","6","4","1") = "9"
    & skf18("10","2","10","3","6","5","1") = "9"
    & skf18("10","2","10","3","6","6","1") = "9"
    & skf18("10","2","10","3","6","7","1") = "9"
    & skf18("10","2","10","3","6","8","1") = "9"
    & skf18("10","2","10","3","6","9","1") = "9"
    & skf18("10","2","10","3","6","10","1") = "9"
    & skf18("10","2","10","3","7","1","1") = "9"
    & skf18("10","2","10","3","7","2","1") = "9"
    & skf18("10","2","10","3","7","3","1") = "9"
    & skf18("10","2","10","3","7","4","1") = "9"
    & skf18("10","2","10","3","7","5","1") = "9"
    & skf18("10","2","10","3","7","6","1") = "9"
    & skf18("10","2","10","3","7","7","1") = "9"
    & skf18("10","2","10","3","7","8","1") = "9"
    & skf18("10","2","10","3","7","9","1") = "9"
    & skf18("10","2","10","3","7","10","1") = "9"
    & skf18("10","2","10","3","8","1","1") = "9"
    & skf18("10","2","10","3","8","2","1") = "9"
    & skf18("10","2","10","3","8","3","1") = "9"
    & skf18("10","2","10","3","8","4","1") = "9"
    & skf18("10","2","10","3","8","5","1") = "9"
    & skf18("10","2","10","3","8","6","1") = "9"
    & skf18("10","2","10","3","8","7","1") = "9"
    & skf18("10","2","10","3","8","8","1") = "9"
    & skf18("10","2","10","3","8","9","1") = "9"
    & skf18("10","2","10","3","8","10","1") = "9"
    & skf18("10","2","10","3","9","1","1") = "9"
    & skf18("10","2","10","3","9","2","1") = "9"
    & skf18("10","2","10","3","9","3","1") = "9"
    & skf18("10","2","10","3","9","4","1") = "9"
    & skf18("10","2","10","3","9","5","1") = "9"
    & skf18("10","2","10","3","9","6","1") = "9"
    & skf18("10","2","10","3","9","7","1") = "9"
    & skf18("10","2","10","3","9","8","1") = "9"
    & skf18("10","2","10","3","9","9","1") = "9"
    & skf18("10","2","10","3","9","10","1") = "9"
    & skf18("10","2","10","3","10","1","1") = "9"
    & skf18("10","2","10","3","10","2","1") = "9"
    & skf18("10","2","10","3","10","3","1") = "9"
    & skf18("10","2","10","3","10","4","1") = "9"
    & skf18("10","2","10","3","10","5","1") = "9"
    & skf18("10","2","10","3","10","6","1") = "9"
    & skf18("10","2","10","3","10","7","1") = "9"
    & skf18("10","2","10","3","10","8","1") = "9"
    & skf18("10","2","10","3","10","9","1") = "9"
    & skf18("10","2","10","3","10","10","1") = "9"
    & skf18("10","2","10","4","1","1","1") = "9"
    & skf18("10","2","10","4","1","2","1") = "9"
    & skf18("10","2","10","4","1","3","1") = "9"
    & skf18("10","2","10","4","1","4","1") = "9"
    & skf18("10","2","10","4","1","5","1") = "9"
    & skf18("10","2","10","4","1","6","1") = "9"
    & skf18("10","2","10","4","1","7","1") = "9"
    & skf18("10","2","10","4","1","8","1") = "9"
    & skf18("10","2","10","4","1","9","1") = "9"
    & skf18("10","2","10","4","1","10","1") = "9"
    & skf18("10","2","10","4","2","1","1") = "9"
    & skf18("10","2","10","4","2","2","1") = "9"
    & skf18("10","2","10","4","2","3","1") = "9"
    & skf18("10","2","10","4","2","4","1") = "9"
    & skf18("10","2","10","4","2","5","1") = "9"
    & skf18("10","2","10","4","2","6","1") = "9"
    & skf18("10","2","10","4","2","7","1") = "9"
    & skf18("10","2","10","4","2","8","1") = "9"
    & skf18("10","2","10","4","2","9","1") = "9"
    & skf18("10","2","10","4","2","10","1") = "9"
    & skf18("10","2","10","4","3","1","1") = "9"
    & skf18("10","2","10","4","3","2","1") = "9"
    & skf18("10","2","10","4","3","3","1") = "9"
    & skf18("10","2","10","4","3","4","1") = "9"
    & skf18("10","2","10","4","3","5","1") = "9"
    & skf18("10","2","10","4","3","6","1") = "9"
    & skf18("10","2","10","4","3","7","1") = "9"
    & skf18("10","2","10","4","3","8","1") = "9"
    & skf18("10","2","10","4","3","9","1") = "9"
    & skf18("10","2","10","4","3","10","1") = "9"
    & skf18("10","2","10","4","4","1","1") = "9"
    & skf18("10","2","10","4","4","2","1") = "9"
    & skf18("10","2","10","4","4","3","1") = "9"
    & skf18("10","2","10","4","4","4","1") = "9"
    & skf18("10","2","10","4","4","5","1") = "9"
    & skf18("10","2","10","4","4","6","1") = "9"
    & skf18("10","2","10","4","4","7","1") = "9"
    & skf18("10","2","10","4","4","8","1") = "9"
    & skf18("10","2","10","4","4","9","1") = "9"
    & skf18("10","2","10","4","4","10","1") = "9"
    & skf18("10","2","10","4","5","1","1") = "9"
    & skf18("10","2","10","4","5","2","1") = "9"
    & skf18("10","2","10","4","5","3","1") = "9"
    & skf18("10","2","10","4","5","4","1") = "9"
    & skf18("10","2","10","4","5","5","1") = "9"
    & skf18("10","2","10","4","5","6","1") = "9"
    & skf18("10","2","10","4","5","7","1") = "9"
    & skf18("10","2","10","4","5","8","1") = "9"
    & skf18("10","2","10","4","5","9","1") = "9"
    & skf18("10","2","10","4","5","10","1") = "9"
    & skf18("10","2","10","4","6","1","1") = "9"
    & skf18("10","2","10","4","6","2","1") = "9"
    & skf18("10","2","10","4","6","3","1") = "9"
    & skf18("10","2","10","4","6","4","1") = "9"
    & skf18("10","2","10","4","6","5","1") = "9"
    & skf18("10","2","10","4","6","6","1") = "9"
    & skf18("10","2","10","4","6","7","1") = "9"
    & skf18("10","2","10","4","6","8","1") = "9"
    & skf18("10","2","10","4","6","9","1") = "9"
    & skf18("10","2","10","4","6","10","1") = "9"
    & skf18("10","2","10","4","7","1","1") = "9"
    & skf18("10","2","10","4","7","2","1") = "9"
    & skf18("10","2","10","4","7","3","1") = "9"
    & skf18("10","2","10","4","7","4","1") = "9"
    & skf18("10","2","10","4","7","5","1") = "9"
    & skf18("10","2","10","4","7","6","1") = "9"
    & skf18("10","2","10","4","7","7","1") = "9"
    & skf18("10","2","10","4","7","8","1") = "9"
    & skf18("10","2","10","4","7","9","1") = "9"
    & skf18("10","2","10","4","7","10","1") = "9"
    & skf18("10","2","10","4","8","1","1") = "9"
    & skf18("10","2","10","4","8","2","1") = "9"
    & skf18("10","2","10","4","8","3","1") = "9"
    & skf18("10","2","10","4","8","4","1") = "9"
    & skf18("10","2","10","4","8","5","1") = "9"
    & skf18("10","2","10","4","8","6","1") = "9"
    & skf18("10","2","10","4","8","7","1") = "9"
    & skf18("10","2","10","4","8","8","1") = "9"
    & skf18("10","2","10","4","8","9","1") = "9"
    & skf18("10","2","10","4","8","10","1") = "9"
    & skf18("10","2","10","4","9","1","1") = "9"
    & skf18("10","2","10","4","9","2","1") = "9"
    & skf18("10","2","10","4","9","3","1") = "9"
    & skf18("10","2","10","4","9","4","1") = "9"
    & skf18("10","2","10","4","9","5","1") = "9"
    & skf18("10","2","10","4","9","6","1") = "9"
    & skf18("10","2","10","4","9","7","1") = "9"
    & skf18("10","2","10","4","9","8","1") = "9"
    & skf18("10","2","10","4","9","9","1") = "9"
    & skf18("10","2","10","4","9","10","1") = "9"
    & skf18("10","2","10","4","10","1","1") = "9"
    & skf18("10","2","10","4","10","2","1") = "9"
    & skf18("10","2","10","4","10","3","1") = "9"
    & skf18("10","2","10","4","10","4","1") = "9"
    & skf18("10","2","10","4","10","5","1") = "9"
    & skf18("10","2","10","4","10","6","1") = "9"
    & skf18("10","2","10","4","10","7","1") = "9"
    & skf18("10","2","10","4","10","8","1") = "9"
    & skf18("10","2","10","4","10","9","1") = "9"
    & skf18("10","2","10","4","10","10","1") = "9"
    & skf18("10","2","10","5","1","1","1") = "9"
    & skf18("10","2","10","5","1","2","1") = "9"
    & skf18("10","2","10","5","1","3","1") = "9"
    & skf18("10","2","10","5","1","4","1") = "9"
    & skf18("10","2","10","5","1","5","1") = "9"
    & skf18("10","2","10","5","1","6","1") = "9"
    & skf18("10","2","10","5","1","7","1") = "9"
    & skf18("10","2","10","5","1","8","1") = "9"
    & skf18("10","2","10","5","1","9","1") = "9"
    & skf18("10","2","10","5","1","10","1") = "9"
    & skf18("10","2","10","5","2","1","1") = "9"
    & skf18("10","2","10","5","2","2","1") = "9"
    & skf18("10","2","10","5","2","3","1") = "9"
    & skf18("10","2","10","5","2","4","1") = "9"
    & skf18("10","2","10","5","2","5","1") = "9"
    & skf18("10","2","10","5","2","6","1") = "9"
    & skf18("10","2","10","5","2","7","1") = "9"
    & skf18("10","2","10","5","2","8","1") = "9"
    & skf18("10","2","10","5","2","9","1") = "9"
    & skf18("10","2","10","5","2","10","1") = "9"
    & skf18("10","2","10","5","3","1","1") = "9"
    & skf18("10","2","10","5","3","2","1") = "9"
    & skf18("10","2","10","5","3","3","1") = "9"
    & skf18("10","2","10","5","3","4","1") = "9"
    & skf18("10","2","10","5","3","5","1") = "9"
    & skf18("10","2","10","5","3","6","1") = "9"
    & skf18("10","2","10","5","3","7","1") = "9"
    & skf18("10","2","10","5","3","8","1") = "9"
    & skf18("10","2","10","5","3","9","1") = "9"
    & skf18("10","2","10","5","3","10","1") = "9"
    & skf18("10","2","10","5","4","1","1") = "9"
    & skf18("10","2","10","5","4","2","1") = "9"
    & skf18("10","2","10","5","4","3","1") = "9"
    & skf18("10","2","10","5","4","4","1") = "9"
    & skf18("10","2","10","5","4","5","1") = "9"
    & skf18("10","2","10","5","4","6","1") = "9"
    & skf18("10","2","10","5","4","7","1") = "9"
    & skf18("10","2","10","5","4","8","1") = "9"
    & skf18("10","2","10","5","4","9","1") = "9"
    & skf18("10","2","10","5","4","10","1") = "9"
    & skf18("10","2","10","5","5","1","1") = "9"
    & skf18("10","2","10","5","5","2","1") = "9"
    & skf18("10","2","10","5","5","3","1") = "9"
    & skf18("10","2","10","5","5","4","1") = "9"
    & skf18("10","2","10","5","5","5","1") = "9"
    & skf18("10","2","10","5","5","6","1") = "9"
    & skf18("10","2","10","5","5","7","1") = "9"
    & skf18("10","2","10","5","5","8","1") = "9"
    & skf18("10","2","10","5","5","9","1") = "9"
    & skf18("10","2","10","5","5","10","1") = "9"
    & skf18("10","2","10","5","6","1","1") = "9"
    & skf18("10","2","10","5","6","2","1") = "9"
    & skf18("10","2","10","5","6","3","1") = "9"
    & skf18("10","2","10","5","6","4","1") = "9"
    & skf18("10","2","10","5","6","5","1") = "9"
    & skf18("10","2","10","5","6","6","1") = "9"
    & skf18("10","2","10","5","6","7","1") = "9"
    & skf18("10","2","10","5","6","8","1") = "9"
    & skf18("10","2","10","5","6","9","1") = "9"
    & skf18("10","2","10","5","6","10","1") = "9"
    & skf18("10","2","10","5","7","1","1") = "9"
    & skf18("10","2","10","5","7","2","1") = "9"
    & skf18("10","2","10","5","7","3","1") = "9"
    & skf18("10","2","10","5","7","4","1") = "9"
    & skf18("10","2","10","5","7","5","1") = "9"
    & skf18("10","2","10","5","7","6","1") = "9"
    & skf18("10","2","10","5","7","7","1") = "9"
    & skf18("10","2","10","5","7","8","1") = "9"
    & skf18("10","2","10","5","7","9","1") = "9"
    & skf18("10","2","10","5","7","10","1") = "9"
    & skf18("10","2","10","5","8","1","1") = "9"
    & skf18("10","2","10","5","8","2","1") = "9"
    & skf18("10","2","10","5","8","3","1") = "9"
    & skf18("10","2","10","5","8","4","1") = "9"
    & skf18("10","2","10","5","8","5","1") = "9"
    & skf18("10","2","10","5","8","6","1") = "9"
    & skf18("10","2","10","5","8","7","1") = "9"
    & skf18("10","2","10","5","8","8","1") = "9"
    & skf18("10","2","10","5","8","9","1") = "9"
    & skf18("10","2","10","5","8","10","1") = "9"
    & skf18("10","2","10","5","9","1","1") = "9"
    & skf18("10","2","10","5","9","2","1") = "9"
    & skf18("10","2","10","5","9","3","1") = "9"
    & skf18("10","2","10","5","9","4","1") = "9"
    & skf18("10","2","10","5","9","5","1") = "9"
    & skf18("10","2","10","5","9","6","1") = "9"
    & skf18("10","2","10","5","9","7","1") = "9"
    & skf18("10","2","10","5","9","8","1") = "9"
    & skf18("10","2","10","5","9","9","1") = "9"
    & skf18("10","2","10","5","9","10","1") = "9"
    & skf18("10","2","10","5","10","1","1") = "9"
    & skf18("10","2","10","5","10","2","1") = "9"
    & skf18("10","2","10","5","10","3","1") = "9"
    & skf18("10","2","10","5","10","4","1") = "9"
    & skf18("10","2","10","5","10","5","1") = "9"
    & skf18("10","2","10","5","10","6","1") = "9"
    & skf18("10","2","10","5","10","7","1") = "9"
    & skf18("10","2","10","5","10","8","1") = "9"
    & skf18("10","2","10","5","10","9","1") = "9"
    & skf18("10","2","10","5","10","10","1") = "9"
    & skf18("10","2","10","6","1","1","1") = "9"
    & skf18("10","2","10","6","1","2","1") = "9"
    & skf18("10","2","10","6","1","3","1") = "9"
    & skf18("10","2","10","6","1","4","1") = "9"
    & skf18("10","2","10","6","1","5","1") = "9"
    & skf18("10","2","10","6","1","6","1") = "9"
    & skf18("10","2","10","6","1","7","1") = "9"
    & skf18("10","2","10","6","1","8","1") = "9"
    & skf18("10","2","10","6","1","9","1") = "9"
    & skf18("10","2","10","6","1","10","1") = "9"
    & skf18("10","2","10","6","2","1","1") = "9"
    & skf18("10","2","10","6","2","2","1") = "9"
    & skf18("10","2","10","6","2","3","1") = "9"
    & skf18("10","2","10","6","2","4","1") = "9"
    & skf18("10","2","10","6","2","5","1") = "9"
    & skf18("10","2","10","6","2","6","1") = "9"
    & skf18("10","2","10","6","2","7","1") = "9"
    & skf18("10","2","10","6","2","8","1") = "9"
    & skf18("10","2","10","6","2","9","1") = "9"
    & skf18("10","2","10","6","2","10","1") = "9"
    & skf18("10","2","10","6","3","1","1") = "9"
    & skf18("10","2","10","6","3","2","1") = "9"
    & skf18("10","2","10","6","3","3","1") = "9"
    & skf18("10","2","10","6","3","4","1") = "9"
    & skf18("10","2","10","6","3","5","1") = "9"
    & skf18("10","2","10","6","3","6","1") = "9"
    & skf18("10","2","10","6","3","7","1") = "9"
    & skf18("10","2","10","6","3","8","1") = "9"
    & skf18("10","2","10","6","3","9","1") = "9"
    & skf18("10","2","10","6","3","10","1") = "9"
    & skf18("10","2","10","6","4","1","1") = "9"
    & skf18("10","2","10","6","4","2","1") = "9"
    & skf18("10","2","10","6","4","3","1") = "9"
    & skf18("10","2","10","6","4","4","1") = "9"
    & skf18("10","2","10","6","4","5","1") = "9"
    & skf18("10","2","10","6","4","6","1") = "9"
    & skf18("10","2","10","6","4","7","1") = "9"
    & skf18("10","2","10","6","4","8","1") = "9"
    & skf18("10","2","10","6","4","9","1") = "9"
    & skf18("10","2","10","6","4","10","1") = "9"
    & skf18("10","2","10","6","5","1","1") = "9"
    & skf18("10","2","10","6","5","2","1") = "9"
    & skf18("10","2","10","6","5","3","1") = "9"
    & skf18("10","2","10","6","5","4","1") = "9"
    & skf18("10","2","10","6","5","5","1") = "9"
    & skf18("10","2","10","6","5","6","1") = "9"
    & skf18("10","2","10","6","5","7","1") = "9"
    & skf18("10","2","10","6","5","8","1") = "9"
    & skf18("10","2","10","6","5","9","1") = "9"
    & skf18("10","2","10","6","5","10","1") = "9"
    & skf18("10","2","10","6","6","1","1") = "9"
    & skf18("10","2","10","6","6","2","1") = "9"
    & skf18("10","2","10","6","6","3","1") = "9"
    & skf18("10","2","10","6","6","4","1") = "9"
    & skf18("10","2","10","6","6","5","1") = "9"
    & skf18("10","2","10","6","6","6","1") = "9"
    & skf18("10","2","10","6","6","7","1") = "9"
    & skf18("10","2","10","6","6","8","1") = "9"
    & skf18("10","2","10","6","6","9","1") = "9"
    & skf18("10","2","10","6","6","10","1") = "9"
    & skf18("10","2","10","6","7","1","1") = "9"
    & skf18("10","2","10","6","7","2","1") = "9"
    & skf18("10","2","10","6","7","3","1") = "9"
    & skf18("10","2","10","6","7","4","1") = "9"
    & skf18("10","2","10","6","7","5","1") = "9"
    & skf18("10","2","10","6","7","6","1") = "9"
    & skf18("10","2","10","6","7","7","1") = "9"
    & skf18("10","2","10","6","7","8","1") = "9"
    & skf18("10","2","10","6","7","9","1") = "9"
    & skf18("10","2","10","6","7","10","1") = "9"
    & skf18("10","2","10","6","8","1","1") = "9"
    & skf18("10","2","10","6","8","2","1") = "9"
    & skf18("10","2","10","6","8","3","1") = "9"
    & skf18("10","2","10","6","8","4","1") = "9"
    & skf18("10","2","10","6","8","5","1") = "9"
    & skf18("10","2","10","6","8","6","1") = "9"
    & skf18("10","2","10","6","8","7","1") = "9"
    & skf18("10","2","10","6","8","8","1") = "9"
    & skf18("10","2","10","6","8","9","1") = "9"
    & skf18("10","2","10","6","8","10","1") = "9"
    & skf18("10","2","10","6","9","1","1") = "9"
    & skf18("10","2","10","6","9","2","1") = "9"
    & skf18("10","2","10","6","9","3","1") = "9"
    & skf18("10","2","10","6","9","4","1") = "9"
    & skf18("10","2","10","6","9","5","1") = "9"
    & skf18("10","2","10","6","9","6","1") = "9"
    & skf18("10","2","10","6","9","7","1") = "9"
    & skf18("10","2","10","6","9","8","1") = "9"
    & skf18("10","2","10","6","9","9","1") = "9"
    & skf18("10","2","10","6","9","10","1") = "9"
    & skf18("10","2","10","6","10","1","1") = "9"
    & skf18("10","2","10","6","10","2","1") = "9"
    & skf18("10","2","10","6","10","3","1") = "9"
    & skf18("10","2","10","6","10","4","1") = "9"
    & skf18("10","2","10","6","10","5","1") = "9"
    & skf18("10","2","10","6","10","6","1") = "9"
    & skf18("10","2","10","6","10","7","1") = "9"
    & skf18("10","2","10","6","10","8","1") = "9"
    & skf18("10","2","10","6","10","9","1") = "9"
    & skf18("10","2","10","6","10","10","1") = "9"
    & skf18("10","2","10","7","1","1","1") = "9"
    & skf18("10","2","10","7","1","2","1") = "9"
    & skf18("10","2","10","7","1","3","1") = "9"
    & skf18("10","2","10","7","1","4","1") = "9"
    & skf18("10","2","10","7","1","5","1") = "9"
    & skf18("10","2","10","7","1","6","1") = "9"
    & skf18("10","2","10","7","1","7","1") = "9"
    & skf18("10","2","10","7","1","8","1") = "9"
    & skf18("10","2","10","7","1","9","1") = "9"
    & skf18("10","2","10","7","1","10","1") = "9"
    & skf18("10","2","10","7","2","1","1") = "9"
    & skf18("10","2","10","7","2","2","1") = "9"
    & skf18("10","2","10","7","2","3","1") = "9"
    & skf18("10","2","10","7","2","4","1") = "9"
    & skf18("10","2","10","7","2","5","1") = "9"
    & skf18("10","2","10","7","2","6","1") = "9"
    & skf18("10","2","10","7","2","7","1") = "9"
    & skf18("10","2","10","7","2","8","1") = "9"
    & skf18("10","2","10","7","2","9","1") = "9"
    & skf18("10","2","10","7","2","10","1") = "9"
    & skf18("10","2","10","7","3","1","1") = "9"
    & skf18("10","2","10","7","3","2","1") = "9"
    & skf18("10","2","10","7","3","3","1") = "9"
    & skf18("10","2","10","7","3","4","1") = "9"
    & skf18("10","2","10","7","3","5","1") = "9"
    & skf18("10","2","10","7","3","6","1") = "9"
    & skf18("10","2","10","7","3","7","1") = "9"
    & skf18("10","2","10","7","3","8","1") = "9"
    & skf18("10","2","10","7","3","9","1") = "9"
    & skf18("10","2","10","7","3","10","1") = "9"
    & skf18("10","2","10","7","4","1","1") = "9"
    & skf18("10","2","10","7","4","2","1") = "9"
    & skf18("10","2","10","7","4","3","1") = "9"
    & skf18("10","2","10","7","4","4","1") = "9"
    & skf18("10","2","10","7","4","5","1") = "9"
    & skf18("10","2","10","7","4","6","1") = "9"
    & skf18("10","2","10","7","4","7","1") = "9"
    & skf18("10","2","10","7","4","8","1") = "9"
    & skf18("10","2","10","7","4","9","1") = "9"
    & skf18("10","2","10","7","4","10","1") = "9"
    & skf18("10","2","10","7","5","1","1") = "9"
    & skf18("10","2","10","7","5","2","1") = "9"
    & skf18("10","2","10","7","5","3","1") = "9"
    & skf18("10","2","10","7","5","4","1") = "9"
    & skf18("10","2","10","7","5","5","1") = "9"
    & skf18("10","2","10","7","5","6","1") = "9"
    & skf18("10","2","10","7","5","7","1") = "9"
    & skf18("10","2","10","7","5","8","1") = "9"
    & skf18("10","2","10","7","5","9","1") = "9"
    & skf18("10","2","10","7","5","10","1") = "9"
    & skf18("10","2","10","7","6","1","1") = "9"
    & skf18("10","2","10","7","6","2","1") = "9"
    & skf18("10","2","10","7","6","3","1") = "9"
    & skf18("10","2","10","7","6","4","1") = "9"
    & skf18("10","2","10","7","6","5","1") = "9"
    & skf18("10","2","10","7","6","6","1") = "9"
    & skf18("10","2","10","7","6","7","1") = "9"
    & skf18("10","2","10","7","6","8","1") = "9"
    & skf18("10","2","10","7","6","9","1") = "9"
    & skf18("10","2","10","7","6","10","1") = "9"
    & skf18("10","2","10","7","7","1","1") = "9"
    & skf18("10","2","10","7","7","2","1") = "9"
    & skf18("10","2","10","7","7","3","1") = "9"
    & skf18("10","2","10","7","7","4","1") = "9"
    & skf18("10","2","10","7","7","5","1") = "9"
    & skf18("10","2","10","7","7","6","1") = "9"
    & skf18("10","2","10","7","7","7","1") = "9"
    & skf18("10","2","10","7","7","8","1") = "9"
    & skf18("10","2","10","7","7","9","1") = "9"
    & skf18("10","2","10","7","7","10","1") = "9"
    & skf18("10","2","10","7","8","1","1") = "9"
    & skf18("10","2","10","7","8","2","1") = "9"
    & skf18("10","2","10","7","8","3","1") = "9"
    & skf18("10","2","10","7","8","4","1") = "9"
    & skf18("10","2","10","7","8","5","1") = "9"
    & skf18("10","2","10","7","8","6","1") = "9"
    & skf18("10","2","10","7","8","7","1") = "9"
    & skf18("10","2","10","7","8","8","1") = "9"
    & skf18("10","2","10","7","8","9","1") = "9"
    & skf18("10","2","10","7","8","10","1") = "9"
    & skf18("10","2","10","7","9","1","1") = "9"
    & skf18("10","2","10","7","9","2","1") = "9"
    & skf18("10","2","10","7","9","3","1") = "9"
    & skf18("10","2","10","7","9","4","1") = "9"
    & skf18("10","2","10","7","9","5","1") = "9"
    & skf18("10","2","10","7","9","6","1") = "9"
    & skf18("10","2","10","7","9","7","1") = "9"
    & skf18("10","2","10","7","9","8","1") = "9"
    & skf18("10","2","10","7","9","9","1") = "9"
    & skf18("10","2","10","7","9","10","1") = "9"
    & skf18("10","2","10","7","10","1","1") = "9"
    & skf18("10","2","10","7","10","2","1") = "9"
    & skf18("10","2","10","7","10","3","1") = "9"
    & skf18("10","2","10","7","10","4","1") = "9"
    & skf18("10","2","10","7","10","5","1") = "9"
    & skf18("10","2","10","7","10","6","1") = "9"
    & skf18("10","2","10","7","10","7","1") = "9"
    & skf18("10","2","10","7","10","8","1") = "9"
    & skf18("10","2","10","7","10","9","1") = "9"
    & skf18("10","2","10","7","10","10","1") = "9"
    & skf18("10","2","10","8","1","1","1") = "9"
    & skf18("10","2","10","8","1","2","1") = "9"
    & skf18("10","2","10","8","1","3","1") = "9"
    & skf18("10","2","10","8","1","4","1") = "9"
    & skf18("10","2","10","8","1","5","1") = "9"
    & skf18("10","2","10","8","1","6","1") = "9"
    & skf18("10","2","10","8","1","7","1") = "9"
    & skf18("10","2","10","8","1","8","1") = "9"
    & skf18("10","2","10","8","1","9","1") = "9"
    & skf18("10","2","10","8","1","10","1") = "9"
    & skf18("10","2","10","8","2","1","1") = "9"
    & skf18("10","2","10","8","2","2","1") = "9"
    & skf18("10","2","10","8","2","3","1") = "9"
    & skf18("10","2","10","8","2","4","1") = "9"
    & skf18("10","2","10","8","2","5","1") = "9"
    & skf18("10","2","10","8","2","6","1") = "9"
    & skf18("10","2","10","8","2","7","1") = "9"
    & skf18("10","2","10","8","2","8","1") = "9"
    & skf18("10","2","10","8","2","9","1") = "9"
    & skf18("10","2","10","8","2","10","1") = "9"
    & skf18("10","2","10","8","3","1","1") = "9"
    & skf18("10","2","10","8","3","2","1") = "9"
    & skf18("10","2","10","8","3","3","1") = "9"
    & skf18("10","2","10","8","3","4","1") = "9"
    & skf18("10","2","10","8","3","5","1") = "9"
    & skf18("10","2","10","8","3","6","1") = "9"
    & skf18("10","2","10","8","3","7","1") = "9"
    & skf18("10","2","10","8","3","8","1") = "9"
    & skf18("10","2","10","8","3","9","1") = "9"
    & skf18("10","2","10","8","3","10","1") = "9"
    & skf18("10","2","10","8","4","1","1") = "9"
    & skf18("10","2","10","8","4","2","1") = "9"
    & skf18("10","2","10","8","4","3","1") = "9"
    & skf18("10","2","10","8","4","4","1") = "9"
    & skf18("10","2","10","8","4","5","1") = "9"
    & skf18("10","2","10","8","4","6","1") = "9"
    & skf18("10","2","10","8","4","7","1") = "9"
    & skf18("10","2","10","8","4","8","1") = "9"
    & skf18("10","2","10","8","4","9","1") = "9"
    & skf18("10","2","10","8","4","10","1") = "9"
    & skf18("10","2","10","8","5","1","1") = "9"
    & skf18("10","2","10","8","5","2","1") = "9"
    & skf18("10","2","10","8","5","3","1") = "9"
    & skf18("10","2","10","8","5","4","1") = "9"
    & skf18("10","2","10","8","5","5","1") = "9"
    & skf18("10","2","10","8","5","6","1") = "9"
    & skf18("10","2","10","8","5","7","1") = "9"
    & skf18("10","2","10","8","5","8","1") = "9"
    & skf18("10","2","10","8","5","9","1") = "9"
    & skf18("10","2","10","8","5","10","1") = "9"
    & skf18("10","2","10","8","6","1","1") = "9"
    & skf18("10","2","10","8","6","2","1") = "9"
    & skf18("10","2","10","8","6","3","1") = "9"
    & skf18("10","2","10","8","6","4","1") = "9"
    & skf18("10","2","10","8","6","5","1") = "9"
    & skf18("10","2","10","8","6","6","1") = "9"
    & skf18("10","2","10","8","6","7","1") = "9"
    & skf18("10","2","10","8","6","8","1") = "9"
    & skf18("10","2","10","8","6","9","1") = "9"
    & skf18("10","2","10","8","6","10","1") = "9"
    & skf18("10","2","10","8","7","1","1") = "9"
    & skf18("10","2","10","8","7","2","1") = "9"
    & skf18("10","2","10","8","7","3","1") = "9"
    & skf18("10","2","10","8","7","4","1") = "9"
    & skf18("10","2","10","8","7","5","1") = "9"
    & skf18("10","2","10","8","7","6","1") = "9"
    & skf18("10","2","10","8","7","7","1") = "9"
    & skf18("10","2","10","8","7","8","1") = "9"
    & skf18("10","2","10","8","7","9","1") = "9"
    & skf18("10","2","10","8","7","10","1") = "9"
    & skf18("10","2","10","8","8","1","1") = "9"
    & skf18("10","2","10","8","8","2","1") = "9"
    & skf18("10","2","10","8","8","3","1") = "9"
    & skf18("10","2","10","8","8","4","1") = "9"
    & skf18("10","2","10","8","8","5","1") = "9"
    & skf18("10","2","10","8","8","6","1") = "9"
    & skf18("10","2","10","8","8","7","1") = "9"
    & skf18("10","2","10","8","8","8","1") = "9"
    & skf18("10","2","10","8","8","9","1") = "9"
    & skf18("10","2","10","8","8","10","1") = "9"
    & skf18("10","2","10","8","9","1","1") = "9"
    & skf18("10","2","10","8","9","2","1") = "9"
    & skf18("10","2","10","8","9","3","1") = "9"
    & skf18("10","2","10","8","9","4","1") = "9"
    & skf18("10","2","10","8","9","5","1") = "9"
    & skf18("10","2","10","8","9","6","1") = "9"
    & skf18("10","2","10","8","9","7","1") = "9"
    & skf18("10","2","10","8","9","8","1") = "9"
    & skf18("10","2","10","8","9","9","1") = "9"
    & skf18("10","2","10","8","9","10","1") = "9"
    & skf18("10","2","10","8","10","1","1") = "9"
    & skf18("10","2","10","8","10","2","1") = "9"
    & skf18("10","2","10","8","10","3","1") = "9"
    & skf18("10","2","10","8","10","4","1") = "9"
    & skf18("10","2","10","8","10","5","1") = "9"
    & skf18("10","2","10","8","10","6","1") = "9"
    & skf18("10","2","10","8","10","7","1") = "9"
    & skf18("10","2","10","8","10","8","1") = "9"
    & skf18("10","2","10","8","10","9","1") = "9"
    & skf18("10","2","10","8","10","10","1") = "9"
    & skf18("10","2","10","9","1","1","1") = "9"
    & skf18("10","2","10","9","1","2","1") = "9"
    & skf18("10","2","10","9","1","3","1") = "9"
    & skf18("10","2","10","9","1","4","1") = "9"
    & skf18("10","2","10","9","1","5","1") = "9"
    & skf18("10","2","10","9","1","6","1") = "9"
    & skf18("10","2","10","9","1","7","1") = "9"
    & skf18("10","2","10","9","1","8","1") = "9"
    & skf18("10","2","10","9","1","9","1") = "9"
    & skf18("10","2","10","9","1","10","1") = "9"
    & skf18("10","2","10","9","2","1","1") = "9"
    & skf18("10","2","10","9","2","2","1") = "9"
    & skf18("10","2","10","9","2","3","1") = "9"
    & skf18("10","2","10","9","2","4","1") = "9"
    & skf18("10","2","10","9","2","5","1") = "9"
    & skf18("10","2","10","9","2","6","1") = "9"
    & skf18("10","2","10","9","2","7","1") = "9"
    & skf18("10","2","10","9","2","8","1") = "9"
    & skf18("10","2","10","9","2","9","1") = "9"
    & skf18("10","2","10","9","2","10","1") = "9"
    & skf18("10","2","10","9","3","1","1") = "9"
    & skf18("10","2","10","9","3","2","1") = "9"
    & skf18("10","2","10","9","3","3","1") = "9"
    & skf18("10","2","10","9","3","4","1") = "9"
    & skf18("10","2","10","9","3","5","1") = "9"
    & skf18("10","2","10","9","3","6","1") = "9"
    & skf18("10","2","10","9","3","7","1") = "9"
    & skf18("10","2","10","9","3","8","1") = "9"
    & skf18("10","2","10","9","3","9","1") = "9"
    & skf18("10","2","10","9","3","10","1") = "9"
    & skf18("10","2","10","9","4","1","1") = "9"
    & skf18("10","2","10","9","4","2","1") = "9"
    & skf18("10","2","10","9","4","3","1") = "9"
    & skf18("10","2","10","9","4","4","1") = "9"
    & skf18("10","2","10","9","4","5","1") = "9"
    & skf18("10","2","10","9","4","6","1") = "9"
    & skf18("10","2","10","9","4","7","1") = "9"
    & skf18("10","2","10","9","4","8","1") = "9"
    & skf18("10","2","10","9","4","9","1") = "9"
    & skf18("10","2","10","9","4","10","1") = "9"
    & skf18("10","2","10","9","5","1","1") = "9"
    & skf18("10","2","10","9","5","2","1") = "9"
    & skf18("10","2","10","9","5","3","1") = "9"
    & skf18("10","2","10","9","5","4","1") = "9"
    & skf18("10","2","10","9","5","5","1") = "9"
    & skf18("10","2","10","9","5","6","1") = "9"
    & skf18("10","2","10","9","5","7","1") = "9"
    & skf18("10","2","10","9","5","8","1") = "9"
    & skf18("10","2","10","9","5","9","1") = "9"
    & skf18("10","2","10","9","5","10","1") = "9"
    & skf18("10","2","10","9","6","1","1") = "9"
    & skf18("10","2","10","9","6","2","1") = "9"
    & skf18("10","2","10","9","6","3","1") = "9"
    & skf18("10","2","10","9","6","4","1") = "9"
    & skf18("10","2","10","9","6","5","1") = "9"
    & skf18("10","2","10","9","6","6","1") = "9"
    & skf18("10","2","10","9","6","7","1") = "9"
    & skf18("10","2","10","9","6","8","1") = "9"
    & skf18("10","2","10","9","6","9","1") = "9"
    & skf18("10","2","10","9","6","10","1") = "9"
    & skf18("10","2","10","9","7","1","1") = "9"
    & skf18("10","2","10","9","7","2","1") = "9"
    & skf18("10","2","10","9","7","3","1") = "9"
    & skf18("10","2","10","9","7","4","1") = "9"
    & skf18("10","2","10","9","7","5","1") = "9"
    & skf18("10","2","10","9","7","6","1") = "9"
    & skf18("10","2","10","9","7","7","1") = "9"
    & skf18("10","2","10","9","7","8","1") = "9"
    & skf18("10","2","10","9","7","9","1") = "9"
    & skf18("10","2","10","9","7","10","1") = "9"
    & skf18("10","2","10","9","8","1","1") = "9"
    & skf18("10","2","10","9","8","2","1") = "9"
    & skf18("10","2","10","9","8","3","1") = "9"
    & skf18("10","2","10","9","8","4","1") = "9"
    & skf18("10","2","10","9","8","5","1") = "9"
    & skf18("10","2","10","9","8","6","1") = "9"
    & skf18("10","2","10","9","8","7","1") = "9"
    & skf18("10","2","10","9","8","8","1") = "9"
    & skf18("10","2","10","9","8","9","1") = "9"
    & skf18("10","2","10","9","8","10","1") = "9"
    & skf18("10","2","10","9","9","1","1") = "9"
    & skf18("10","2","10","9","9","2","1") = "9"
    & skf18("10","2","10","9","9","3","1") = "9"
    & skf18("10","2","10","9","9","4","1") = "9"
    & skf18("10","2","10","9","9","5","1") = "9"
    & skf18("10","2","10","9","9","6","1") = "9"
    & skf18("10","2","10","9","9","7","1") = "9"
    & skf18("10","2","10","9","9","8","1") = "9"
    & skf18("10","2","10","9","9","9","1") = "9"
    & skf18("10","2","10","9","9","10","1") = "9"
    & skf18("10","2","10","9","10","1","1") = "9"
    & skf18("10","2","10","9","10","2","1") = "9"
    & skf18("10","2","10","9","10","3","1") = "9"
    & skf18("10","2","10","9","10","4","1") = "9"
    & skf18("10","2","10","9","10","5","1") = "9"
    & skf18("10","2","10","9","10","6","1") = "9"
    & skf18("10","2","10","9","10","7","1") = "9"
    & skf18("10","2","10","9","10","8","1") = "9"
    & skf18("10","2","10","9","10","9","1") = "9"
    & skf18("10","2","10","9","10","10","1") = "9"
    & skf18("10","2","10","10","1","1","1") = "9"
    & skf18("10","2","10","10","1","2","1") = "9"
    & skf18("10","2","10","10","1","3","1") = "9"
    & skf18("10","2","10","10","1","4","1") = "9"
    & skf18("10","2","10","10","1","5","1") = "9"
    & skf18("10","2","10","10","1","6","1") = "9"
    & skf18("10","2","10","10","1","7","1") = "9"
    & skf18("10","2","10","10","1","8","1") = "9"
    & skf18("10","2","10","10","1","9","1") = "9"
    & skf18("10","2","10","10","1","10","1") = "9"
    & skf18("10","2","10","10","2","1","1") = "9"
    & skf18("10","2","10","10","2","2","1") = "9"
    & skf18("10","2","10","10","2","3","1") = "9"
    & skf18("10","2","10","10","2","4","1") = "9"
    & skf18("10","2","10","10","2","5","1") = "9"
    & skf18("10","2","10","10","2","6","1") = "9"
    & skf18("10","2","10","10","2","7","1") = "9"
    & skf18("10","2","10","10","2","8","1") = "9"
    & skf18("10","2","10","10","2","9","1") = "9"
    & skf18("10","2","10","10","2","10","1") = "9"
    & skf18("10","2","10","10","3","1","1") = "9"
    & skf18("10","2","10","10","3","2","1") = "9"
    & skf18("10","2","10","10","3","3","1") = "9"
    & skf18("10","2","10","10","3","4","1") = "9"
    & skf18("10","2","10","10","3","5","1") = "9"
    & skf18("10","2","10","10","3","6","1") = "9"
    & skf18("10","2","10","10","3","7","1") = "9"
    & skf18("10","2","10","10","3","8","1") = "9"
    & skf18("10","2","10","10","3","9","1") = "9"
    & skf18("10","2","10","10","3","10","1") = "9"
    & skf18("10","2","10","10","4","1","1") = "9"
    & skf18("10","2","10","10","4","2","1") = "9"
    & skf18("10","2","10","10","4","3","1") = "9"
    & skf18("10","2","10","10","4","4","1") = "9"
    & skf18("10","2","10","10","4","5","1") = "9"
    & skf18("10","2","10","10","4","6","1") = "9"
    & skf18("10","2","10","10","4","7","1") = "9"
    & skf18("10","2","10","10","4","8","1") = "9"
    & skf18("10","2","10","10","4","9","1") = "9"
    & skf18("10","2","10","10","4","10","1") = "9"
    & skf18("10","2","10","10","5","1","1") = "9"
    & skf18("10","2","10","10","5","2","1") = "9"
    & skf18("10","2","10","10","5","3","1") = "9"
    & skf18("10","2","10","10","5","4","1") = "9"
    & skf18("10","2","10","10","5","5","1") = "9"
    & skf18("10","2","10","10","5","6","1") = "9"
    & skf18("10","2","10","10","5","7","1") = "9"
    & skf18("10","2","10","10","5","8","1") = "9"
    & skf18("10","2","10","10","5","9","1") = "9"
    & skf18("10","2","10","10","5","10","1") = "9"
    & skf18("10","2","10","10","6","1","1") = "9"
    & skf18("10","2","10","10","6","2","1") = "9"
    & skf18("10","2","10","10","6","3","1") = "9"
    & skf18("10","2","10","10","6","4","1") = "9"
    & skf18("10","2","10","10","6","5","1") = "9"
    & skf18("10","2","10","10","6","6","1") = "9"
    & skf18("10","2","10","10","6","7","1") = "9"
    & skf18("10","2","10","10","6","8","1") = "9"
    & skf18("10","2","10","10","6","9","1") = "9"
    & skf18("10","2","10","10","6","10","1") = "9"
    & skf18("10","2","10","10","7","1","1") = "9"
    & skf18("10","2","10","10","7","2","1") = "9"
    & skf18("10","2","10","10","7","3","1") = "9"
    & skf18("10","2","10","10","7","4","1") = "9"
    & skf18("10","2","10","10","7","5","1") = "9"
    & skf18("10","2","10","10","7","6","1") = "9"
    & skf18("10","2","10","10","7","7","1") = "9"
    & skf18("10","2","10","10","7","8","1") = "9"
    & skf18("10","2","10","10","7","9","1") = "9"
    & skf18("10","2","10","10","7","10","1") = "9"
    & skf18("10","2","10","10","8","1","1") = "9"
    & skf18("10","2","10","10","8","2","1") = "9"
    & skf18("10","2","10","10","8","3","1") = "9"
    & skf18("10","2","10","10","8","4","1") = "9"
    & skf18("10","2","10","10","8","5","1") = "9"
    & skf18("10","2","10","10","8","6","1") = "9"
    & skf18("10","2","10","10","8","7","1") = "9"
    & skf18("10","2","10","10","8","8","1") = "9"
    & skf18("10","2","10","10","8","9","1") = "9"
    & skf18("10","2","10","10","8","10","1") = "9"
    & skf18("10","2","10","10","9","1","1") = "9"
    & skf18("10","2","10","10","9","2","1") = "9"
    & skf18("10","2","10","10","9","3","1") = "9"
    & skf18("10","2","10","10","9","4","1") = "9"
    & skf18("10","2","10","10","9","5","1") = "9"
    & skf18("10","2","10","10","9","6","1") = "9"
    & skf18("10","2","10","10","9","7","1") = "9"
    & skf18("10","2","10","10","9","8","1") = "9"
    & skf18("10","2","10","10","9","9","1") = "9"
    & skf18("10","2","10","10","9","10","1") = "9"
    & skf18("10","2","10","10","10","1","1") = "9"
    & skf18("10","2","10","10","10","2","1") = "9"
    & skf18("10","2","10","10","10","3","1") = "9"
    & skf18("10","2","10","10","10","4","1") = "9"
    & skf18("10","2","10","10","10","5","1") = "9"
    & skf18("10","2","10","10","10","6","1") = "9"
    & skf18("10","2","10","10","10","7","1") = "9"
    & skf18("10","2","10","10","10","8","1") = "9"
    & skf18("10","2","10","10","10","9","1") = "9"
    & skf18("10","2","10","10","10","10","1") = "9"
    & skf18("10","3","1","1","1","1","1") = "9"
    & skf18("10","3","1","1","1","2","1") = "9"
    & skf18("10","3","1","1","1","3","1") = "9"
    & skf18("10","3","1","1","1","4","1") = "9"
    & skf18("10","3","1","1","1","5","1") = "9"
    & skf18("10","3","1","1","1","6","1") = "9"
    & skf18("10","3","1","1","1","7","1") = "9"
    & skf18("10","3","1","1","1","8","1") = "9"
    & skf18("10","3","1","1","1","9","1") = "9"
    & skf18("10","3","1","1","1","10","1") = "9"
    & skf18("10","3","1","1","2","1","1") = "9"
    & skf18("10","3","1","1","2","2","1") = "9"
    & skf18("10","3","1","1","2","3","1") = "9"
    & skf18("10","3","1","1","2","4","1") = "9"
    & skf18("10","3","1","1","2","5","1") = "9"
    & skf18("10","3","1","1","2","6","1") = "9"
    & skf18("10","3","1","1","2","7","1") = "9"
    & skf18("10","3","1","1","2","8","1") = "9"
    & skf18("10","3","1","1","2","9","1") = "9"
    & skf18("10","3","1","1","2","10","1") = "9"
    & skf18("10","3","1","1","3","1","1") = "9"
    & skf18("10","3","1","1","3","2","1") = "9"
    & skf18("10","3","1","1","3","3","1") = "9"
    & skf18("10","3","1","1","3","4","1") = "9"
    & skf18("10","3","1","1","3","5","1") = "9"
    & skf18("10","3","1","1","3","6","1") = "9"
    & skf18("10","3","1","1","3","7","1") = "9"
    & skf18("10","3","1","1","3","8","1") = "9"
    & skf18("10","3","1","1","3","9","1") = "9"
    & skf18("10","3","1","1","3","10","1") = "9"
    & skf18("10","3","1","1","4","1","1") = "9"
    & skf18("10","3","1","1","4","2","1") = "9"
    & skf18("10","3","1","1","4","3","1") = "9"
    & skf18("10","3","1","1","4","4","1") = "9"
    & skf18("10","3","1","1","4","5","1") = "9"
    & skf18("10","3","1","1","4","6","1") = "9"
    & skf18("10","3","1","1","4","7","1") = "9"
    & skf18("10","3","1","1","4","8","1") = "9"
    & skf18("10","3","1","1","4","9","1") = "9"
    & skf18("10","3","1","1","4","10","1") = "9"
    & skf18("10","3","1","1","5","1","1") = "9"
    & skf18("10","3","1","1","5","2","1") = "9"
    & skf18("10","3","1","1","5","3","1") = "9"
    & skf18("10","3","1","1","5","4","1") = "9"
    & skf18("10","3","1","1","5","5","1") = "9"
    & skf18("10","3","1","1","5","6","1") = "9"
    & skf18("10","3","1","1","5","7","1") = "9"
    & skf18("10","3","1","1","5","8","1") = "9"
    & skf18("10","3","1","1","5","9","1") = "9"
    & skf18("10","3","1","1","5","10","1") = "9"
    & skf18("10","3","1","1","6","1","1") = "9"
    & skf18("10","3","1","1","6","2","1") = "9"
    & skf18("10","3","1","1","6","3","1") = "9"
    & skf18("10","3","1","1","6","4","1") = "9"
    & skf18("10","3","1","1","6","5","1") = "9"
    & skf18("10","3","1","1","6","6","1") = "9"
    & skf18("10","3","1","1","6","7","1") = "9"
    & skf18("10","3","1","1","6","8","1") = "9"
    & skf18("10","3","1","1","6","9","1") = "9"
    & skf18("10","3","1","1","6","10","1") = "9"
    & skf18("10","3","1","1","7","1","1") = "9"
    & skf18("10","3","1","1","7","2","1") = "9"
    & skf18("10","3","1","1","7","3","1") = "9"
    & skf18("10","3","1","1","7","4","1") = "9"
    & skf18("10","3","1","1","7","5","1") = "9"
    & skf18("10","3","1","1","7","6","1") = "9"
    & skf18("10","3","1","1","7","7","1") = "9"
    & skf18("10","3","1","1","7","8","1") = "9"
    & skf18("10","3","1","1","7","9","1") = "9"
    & skf18("10","3","1","1","7","10","1") = "9"
    & skf18("10","3","1","1","8","1","1") = "9"
    & skf18("10","3","1","1","8","2","1") = "9"
    & skf18("10","3","1","1","8","3","1") = "9"
    & skf18("10","3","1","1","8","4","1") = "9"
    & skf18("10","3","1","1","8","5","1") = "9"
    & skf18("10","3","1","1","8","6","1") = "9"
    & skf18("10","3","1","1","8","7","1") = "9"
    & skf18("10","3","1","1","8","8","1") = "9"
    & skf18("10","3","1","1","8","9","1") = "9"
    & skf18("10","3","1","1","8","10","1") = "9"
    & skf18("10","3","1","1","9","1","1") = "9"
    & skf18("10","3","1","1","9","2","1") = "9"
    & skf18("10","3","1","1","9","3","1") = "9"
    & skf18("10","3","1","1","9","4","1") = "9"
    & skf18("10","3","1","1","9","5","1") = "9"
    & skf18("10","3","1","1","9","6","1") = "9"
    & skf18("10","3","1","1","9","7","1") = "9"
    & skf18("10","3","1","1","9","8","1") = "9"
    & skf18("10","3","1","1","9","9","1") = "9"
    & skf18("10","3","1","1","9","10","1") = "9"
    & skf18("10","3","1","1","10","1","1") = "9"
    & skf18("10","3","1","1","10","2","1") = "9"
    & skf18("10","3","1","1","10","3","1") = "9"
    & skf18("10","3","1","1","10","4","1") = "9"
    & skf18("10","3","1","1","10","5","1") = "9"
    & skf18("10","3","1","1","10","6","1") = "9"
    & skf18("10","3","1","1","10","7","1") = "9"
    & skf18("10","3","1","1","10","8","1") = "9"
    & skf18("10","3","1","1","10","9","1") = "9"
    & skf18("10","3","1","1","10","10","1") = "9"
    & skf18("10","3","1","2","1","1","1") = "9"
    & skf18("10","3","1","2","1","2","1") = "9"
    & skf18("10","3","1","2","1","3","1") = "9"
    & skf18("10","3","1","2","1","4","1") = "9"
    & skf18("10","3","1","2","1","5","1") = "9"
    & skf18("10","3","1","2","1","6","1") = "9"
    & skf18("10","3","1","2","1","7","1") = "9"
    & skf18("10","3","1","2","1","8","1") = "9"
    & skf18("10","3","1","2","1","9","1") = "9"
    & skf18("10","3","1","2","1","10","1") = "9"
    & skf18("10","3","1","2","2","1","1") = "9"
    & skf18("10","3","1","2","2","2","1") = "9"
    & skf18("10","3","1","2","2","3","1") = "9"
    & skf18("10","3","1","2","2","4","1") = "9"
    & skf18("10","3","1","2","2","5","1") = "9"
    & skf18("10","3","1","2","2","6","1") = "9"
    & skf18("10","3","1","2","2","7","1") = "9"
    & skf18("10","3","1","2","2","8","1") = "9"
    & skf18("10","3","1","2","2","9","1") = "9"
    & skf18("10","3","1","2","2","10","1") = "9"
    & skf18("10","3","1","2","3","1","1") = "9"
    & skf18("10","3","1","2","3","2","1") = "9"
    & skf18("10","3","1","2","3","3","1") = "9"
    & skf18("10","3","1","2","3","4","1") = "9"
    & skf18("10","3","1","2","3","5","1") = "9"
    & skf18("10","3","1","2","3","6","1") = "9"
    & skf18("10","3","1","2","3","7","1") = "9"
    & skf18("10","3","1","2","3","8","1") = "9"
    & skf18("10","3","1","2","3","9","1") = "9"
    & skf18("10","3","1","2","3","10","1") = "9"
    & skf18("10","3","1","2","4","1","1") = "9"
    & skf18("10","3","1","2","4","2","1") = "9"
    & skf18("10","3","1","2","4","3","1") = "9"
    & skf18("10","3","1","2","4","4","1") = "9"
    & skf18("10","3","1","2","4","5","1") = "9"
    & skf18("10","3","1","2","4","6","1") = "9"
    & skf18("10","3","1","2","4","7","1") = "9"
    & skf18("10","3","1","2","4","8","1") = "9"
    & skf18("10","3","1","2","4","9","1") = "9"
    & skf18("10","3","1","2","4","10","1") = "9"
    & skf18("10","3","1","2","5","1","1") = "9"
    & skf18("10","3","1","2","5","2","1") = "9"
    & skf18("10","3","1","2","5","3","1") = "9"
    & skf18("10","3","1","2","5","4","1") = "9"
    & skf18("10","3","1","2","5","5","1") = "9"
    & skf18("10","3","1","2","5","6","1") = "9"
    & skf18("10","3","1","2","5","7","1") = "9"
    & skf18("10","3","1","2","5","8","1") = "9"
    & skf18("10","3","1","2","5","9","1") = "9"
    & skf18("10","3","1","2","5","10","1") = "9"
    & skf18("10","3","1","2","6","1","1") = "9"
    & skf18("10","3","1","2","6","2","1") = "9"
    & skf18("10","3","1","2","6","3","1") = "9"
    & skf18("10","3","1","2","6","4","1") = "9"
    & skf18("10","3","1","2","6","5","1") = "9"
    & skf18("10","3","1","2","6","6","1") = "9"
    & skf18("10","3","1","2","6","7","1") = "9"
    & skf18("10","3","1","2","6","8","1") = "9"
    & skf18("10","3","1","2","6","9","1") = "9"
    & skf18("10","3","1","2","6","10","1") = "9"
    & skf18("10","3","1","2","7","1","1") = "9"
    & skf18("10","3","1","2","7","2","1") = "9"
    & skf18("10","3","1","2","7","3","1") = "9"
    & skf18("10","3","1","2","7","4","1") = "9"
    & skf18("10","3","1","2","7","5","1") = "9"
    & skf18("10","3","1","2","7","6","1") = "9"
    & skf18("10","3","1","2","7","7","1") = "9"
    & skf18("10","3","1","2","7","8","1") = "9"
    & skf18("10","3","1","2","7","9","1") = "9"
    & skf18("10","3","1","2","7","10","1") = "9"
    & skf18("10","3","1","2","8","1","1") = "9"
    & skf18("10","3","1","2","8","2","1") = "9"
    & skf18("10","3","1","2","8","3","1") = "9"
    & skf18("10","3","1","2","8","4","1") = "9"
    & skf18("10","3","1","2","8","5","1") = "9"
    & skf18("10","3","1","2","8","6","1") = "9"
    & skf18("10","3","1","2","8","7","1") = "9"
    & skf18("10","3","1","2","8","8","1") = "9"
    & skf18("10","3","1","2","8","9","1") = "9"
    & skf18("10","3","1","2","8","10","1") = "9"
    & skf18("10","3","1","2","9","1","1") = "9"
    & skf18("10","3","1","2","9","2","1") = "9"
    & skf18("10","3","1","2","9","3","1") = "9"
    & skf18("10","3","1","2","9","4","1") = "9"
    & skf18("10","3","1","2","9","5","1") = "9"
    & skf18("10","3","1","2","9","6","1") = "9"
    & skf18("10","3","1","2","9","7","1") = "9"
    & skf18("10","3","1","2","9","8","1") = "9"
    & skf18("10","3","1","2","9","9","1") = "9"
    & skf18("10","3","1","2","9","10","1") = "9"
    & skf18("10","3","1","2","10","1","1") = "9"
    & skf18("10","3","1","2","10","2","1") = "9"
    & skf18("10","3","1","2","10","3","1") = "9"
    & skf18("10","3","1","2","10","4","1") = "9"
    & skf18("10","3","1","2","10","5","1") = "9"
    & skf18("10","3","1","2","10","6","1") = "9"
    & skf18("10","3","1","2","10","7","1") = "9"
    & skf18("10","3","1","2","10","8","1") = "9"
    & skf18("10","3","1","2","10","9","1") = "9"
    & skf18("10","3","1","2","10","10","1") = "9"
    & skf18("10","3","1","3","1","1","1") = "9"
    & skf18("10","3","1","3","1","2","1") = "9"
    & skf18("10","3","1","3","1","3","1") = "9"
    & skf18("10","3","1","3","1","4","1") = "9"
    & skf18("10","3","1","3","1","5","1") = "9"
    & skf18("10","3","1","3","1","6","1") = "9"
    & skf18("10","3","1","3","1","7","1") = "9"
    & skf18("10","3","1","3","1","8","1") = "9"
    & skf18("10","3","1","3","1","9","1") = "9"
    & skf18("10","3","1","3","1","10","1") = "9"
    & skf18("10","3","1","3","2","1","1") = "9"
    & skf18("10","3","1","3","2","2","1") = "9"
    & skf18("10","3","1","3","2","3","1") = "9"
    & skf18("10","3","1","3","2","4","1") = "9"
    & skf18("10","3","1","3","2","5","1") = "9"
    & skf18("10","3","1","3","2","6","1") = "9"
    & skf18("10","3","1","3","2","7","1") = "9"
    & skf18("10","3","1","3","2","8","1") = "9"
    & skf18("10","3","1","3","2","9","1") = "9"
    & skf18("10","3","1","3","2","10","1") = "9"
    & skf18("10","3","1","3","3","1","1") = "9"
    & skf18("10","3","1","3","3","2","1") = "9"
    & skf18("10","3","1","3","3","3","1") = "9"
    & skf18("10","3","1","3","3","4","1") = "9"
    & skf18("10","3","1","3","3","5","1") = "9"
    & skf18("10","3","1","3","3","6","1") = "9"
    & skf18("10","3","1","3","3","7","1") = "9"
    & skf18("10","3","1","3","3","8","1") = "9"
    & skf18("10","3","1","3","3","9","1") = "9"
    & skf18("10","3","1","3","3","10","1") = "9"
    & skf18("10","3","1","3","4","1","1") = "9"
    & skf18("10","3","1","3","4","2","1") = "9"
    & skf18("10","3","1","3","4","3","1") = "9"
    & skf18("10","3","1","3","4","4","1") = "9"
    & skf18("10","3","1","3","4","5","1") = "9"
    & skf18("10","3","1","3","4","6","1") = "9"
    & skf18("10","3","1","3","4","7","1") = "9"
    & skf18("10","3","1","3","4","8","1") = "9"
    & skf18("10","3","1","3","4","9","1") = "9"
    & skf18("10","3","1","3","4","10","1") = "9"
    & skf18("10","3","1","3","5","1","1") = "9"
    & skf18("10","3","1","3","5","2","1") = "9"
    & skf18("10","3","1","3","5","3","1") = "9"
    & skf18("10","3","1","3","5","4","1") = "9"
    & skf18("10","3","1","3","5","5","1") = "9"
    & skf18("10","3","1","3","5","6","1") = "9"
    & skf18("10","3","1","3","5","7","1") = "9"
    & skf18("10","3","1","3","5","8","1") = "9"
    & skf18("10","3","1","3","5","9","1") = "9"
    & skf18("10","3","1","3","5","10","1") = "9"
    & skf18("10","3","1","3","6","1","1") = "9"
    & skf18("10","3","1","3","6","2","1") = "9"
    & skf18("10","3","1","3","6","3","1") = "9"
    & skf18("10","3","1","3","6","4","1") = "9"
    & skf18("10","3","1","3","6","5","1") = "9"
    & skf18("10","3","1","3","6","6","1") = "9"
    & skf18("10","3","1","3","6","7","1") = "9"
    & skf18("10","3","1","3","6","8","1") = "9"
    & skf18("10","3","1","3","6","9","1") = "9"
    & skf18("10","3","1","3","6","10","1") = "9"
    & skf18("10","3","1","3","7","1","1") = "9"
    & skf18("10","3","1","3","7","2","1") = "9"
    & skf18("10","3","1","3","7","3","1") = "9"
    & skf18("10","3","1","3","7","4","1") = "9"
    & skf18("10","3","1","3","7","5","1") = "9"
    & skf18("10","3","1","3","7","6","1") = "9"
    & skf18("10","3","1","3","7","7","1") = "9"
    & skf18("10","3","1","3","7","8","1") = "9"
    & skf18("10","3","1","3","7","9","1") = "9"
    & skf18("10","3","1","3","7","10","1") = "9"
    & skf18("10","3","1","3","8","1","1") = "9"
    & skf18("10","3","1","3","8","2","1") = "9"
    & skf18("10","3","1","3","8","3","1") = "9"
    & skf18("10","3","1","3","8","4","1") = "9"
    & skf18("10","3","1","3","8","5","1") = "9"
    & skf18("10","3","1","3","8","6","1") = "9"
    & skf18("10","3","1","3","8","7","1") = "9"
    & skf18("10","3","1","3","8","8","1") = "9"
    & skf18("10","3","1","3","8","9","1") = "9"
    & skf18("10","3","1","3","8","10","1") = "9"
    & skf18("10","3","1","3","9","1","1") = "9"
    & skf18("10","3","1","3","9","2","1") = "9"
    & skf18("10","3","1","3","9","3","1") = "9"
    & skf18("10","3","1","3","9","4","1") = "9"
    & skf18("10","3","1","3","9","5","1") = "9"
    & skf18("10","3","1","3","9","6","1") = "9"
    & skf18("10","3","1","3","9","7","1") = "9"
    & skf18("10","3","1","3","9","8","1") = "9"
    & skf18("10","3","1","3","9","9","1") = "9"
    & skf18("10","3","1","3","9","10","1") = "9"
    & skf18("10","3","1","3","10","1","1") = "9"
    & skf18("10","3","1","3","10","2","1") = "9"
    & skf18("10","3","1","3","10","3","1") = "9"
    & skf18("10","3","1","3","10","4","1") = "9"
    & skf18("10","3","1","3","10","5","1") = "9"
    & skf18("10","3","1","3","10","6","1") = "9"
    & skf18("10","3","1","3","10","7","1") = "9"
    & skf18("10","3","1","3","10","8","1") = "9"
    & skf18("10","3","1","3","10","9","1") = "9"
    & skf18("10","3","1","3","10","10","1") = "9"
    & skf18("10","3","1","4","1","1","1") = "9"
    & skf18("10","3","1","4","1","2","1") = "9"
    & skf18("10","3","1","4","1","3","1") = "9"
    & skf18("10","3","1","4","1","4","1") = "9"
    & skf18("10","3","1","4","1","5","1") = "9"
    & skf18("10","3","1","4","1","6","1") = "9"
    & skf18("10","3","1","4","1","7","1") = "9"
    & skf18("10","3","1","4","1","8","1") = "9"
    & skf18("10","3","1","4","1","9","1") = "9"
    & skf18("10","3","1","4","1","10","1") = "9"
    & skf18("10","3","1","4","2","1","1") = "9"
    & skf18("10","3","1","4","2","2","1") = "9"
    & skf18("10","3","1","4","2","3","1") = "9"
    & skf18("10","3","1","4","2","4","1") = "9"
    & skf18("10","3","1","4","2","5","1") = "9"
    & skf18("10","3","1","4","2","6","1") = "9"
    & skf18("10","3","1","4","2","7","1") = "9"
    & skf18("10","3","1","4","2","8","1") = "9"
    & skf18("10","3","1","4","2","9","1") = "9"
    & skf18("10","3","1","4","2","10","1") = "9"
    & skf18("10","3","1","4","3","1","1") = "9"
    & skf18("10","3","1","4","3","2","1") = "9"
    & skf18("10","3","1","4","3","3","1") = "9"
    & skf18("10","3","1","4","3","4","1") = "9"
    & skf18("10","3","1","4","3","5","1") = "9"
    & skf18("10","3","1","4","3","6","1") = "9"
    & skf18("10","3","1","4","3","7","1") = "9"
    & skf18("10","3","1","4","3","8","1") = "9"
    & skf18("10","3","1","4","3","9","1") = "9"
    & skf18("10","3","1","4","3","10","1") = "9"
    & skf18("10","3","1","4","4","1","1") = "9"
    & skf18("10","3","1","4","4","2","1") = "9"
    & skf18("10","3","1","4","4","3","1") = "9"
    & skf18("10","3","1","4","4","4","1") = "9"
    & skf18("10","3","1","4","4","5","1") = "9"
    & skf18("10","3","1","4","4","6","1") = "9"
    & skf18("10","3","1","4","4","7","1") = "9"
    & skf18("10","3","1","4","4","8","1") = "9"
    & skf18("10","3","1","4","4","9","1") = "9"
    & skf18("10","3","1","4","4","10","1") = "9"
    & skf18("10","3","1","4","5","1","1") = "9"
    & skf18("10","3","1","4","5","2","1") = "9"
    & skf18("10","3","1","4","5","3","1") = "9"
    & skf18("10","3","1","4","5","4","1") = "9"
    & skf18("10","3","1","4","5","5","1") = "9"
    & skf18("10","3","1","4","5","6","1") = "9"
    & skf18("10","3","1","4","5","7","1") = "9"
    & skf18("10","3","1","4","5","8","1") = "9"
    & skf18("10","3","1","4","5","9","1") = "9"
    & skf18("10","3","1","4","5","10","1") = "9"
    & skf18("10","3","1","4","6","1","1") = "9"
    & skf18("10","3","1","4","6","2","1") = "9"
    & skf18("10","3","1","4","6","3","1") = "9"
    & skf18("10","3","1","4","6","4","1") = "9"
    & skf18("10","3","1","4","6","5","1") = "9"
    & skf18("10","3","1","4","6","6","1") = "9"
    & skf18("10","3","1","4","6","7","1") = "9"
    & skf18("10","3","1","4","6","8","1") = "9"
    & skf18("10","3","1","4","6","9","1") = "9"
    & skf18("10","3","1","4","6","10","1") = "9"
    & skf18("10","3","1","4","7","1","1") = "9"
    & skf18("10","3","1","4","7","2","1") = "9"
    & skf18("10","3","1","4","7","3","1") = "9"
    & skf18("10","3","1","4","7","4","1") = "9"
    & skf18("10","3","1","4","7","5","1") = "9"
    & skf18("10","3","1","4","7","6","1") = "9"
    & skf18("10","3","1","4","7","7","1") = "9"
    & skf18("10","3","1","4","7","8","1") = "9"
    & skf18("10","3","1","4","7","9","1") = "9"
    & skf18("10","3","1","4","7","10","1") = "9"
    & skf18("10","3","1","4","8","1","1") = "9"
    & skf18("10","3","1","4","8","2","1") = "9"
    & skf18("10","3","1","4","8","3","1") = "9"
    & skf18("10","3","1","4","8","4","1") = "9"
    & skf18("10","3","1","4","8","5","1") = "9"
    & skf18("10","3","1","4","8","6","1") = "9"
    & skf18("10","3","1","4","8","7","1") = "9"
    & skf18("10","3","1","4","8","8","1") = "9"
    & skf18("10","3","1","4","8","9","1") = "9"
    & skf18("10","3","1","4","8","10","1") = "9"
    & skf18("10","3","1","4","9","1","1") = "9"
    & skf18("10","3","1","4","9","2","1") = "9"
    & skf18("10","3","1","4","9","3","1") = "9"
    & skf18("10","3","1","4","9","4","1") = "9"
    & skf18("10","3","1","4","9","5","1") = "9"
    & skf18("10","3","1","4","9","6","1") = "9"
    & skf18("10","3","1","4","9","7","1") = "9"
    & skf18("10","3","1","4","9","8","1") = "9"
    & skf18("10","3","1","4","9","9","1") = "9"
    & skf18("10","3","1","4","9","10","1") = "9"
    & skf18("10","3","1","4","10","1","1") = "9"
    & skf18("10","3","1","4","10","2","1") = "9"
    & skf18("10","3","1","4","10","3","1") = "9"
    & skf18("10","3","1","4","10","4","1") = "9"
    & skf18("10","3","1","4","10","5","1") = "9"
    & skf18("10","3","1","4","10","6","1") = "9"
    & skf18("10","3","1","4","10","7","1") = "9"
    & skf18("10","3","1","4","10","8","1") = "9"
    & skf18("10","3","1","4","10","9","1") = "9"
    & skf18("10","3","1","4","10","10","1") = "9"
    & skf18("10","3","1","5","1","1","1") = "9"
    & skf18("10","3","1","5","1","2","1") = "9"
    & skf18("10","3","1","5","1","3","1") = "9"
    & skf18("10","3","1","5","1","4","1") = "9"
    & skf18("10","3","1","5","1","5","1") = "9"
    & skf18("10","3","1","5","1","6","1") = "9"
    & skf18("10","3","1","5","1","7","1") = "9"
    & skf18("10","3","1","5","1","8","1") = "9"
    & skf18("10","3","1","5","1","9","1") = "9"
    & skf18("10","3","1","5","1","10","1") = "9"
    & skf18("10","3","1","5","2","1","1") = "9"
    & skf18("10","3","1","5","2","2","1") = "9"
    & skf18("10","3","1","5","2","3","1") = "9"
    & skf18("10","3","1","5","2","4","1") = "9"
    & skf18("10","3","1","5","2","5","1") = "9"
    & skf18("10","3","1","5","2","6","1") = "9"
    & skf18("10","3","1","5","2","7","1") = "9"
    & skf18("10","3","1","5","2","8","1") = "9"
    & skf18("10","3","1","5","2","9","1") = "9"
    & skf18("10","3","1","5","2","10","1") = "9"
    & skf18("10","3","1","5","3","1","1") = "9"
    & skf18("10","3","1","5","3","2","1") = "9"
    & skf18("10","3","1","5","3","3","1") = "9"
    & skf18("10","3","1","5","3","4","1") = "9"
    & skf18("10","3","1","5","3","5","1") = "9"
    & skf18("10","3","1","5","3","6","1") = "9"
    & skf18("10","3","1","5","3","7","1") = "9"
    & skf18("10","3","1","5","3","8","1") = "9"
    & skf18("10","3","1","5","3","9","1") = "9"
    & skf18("10","3","1","5","3","10","1") = "9"
    & skf18("10","3","1","5","4","1","1") = "9"
    & skf18("10","3","1","5","4","2","1") = "9"
    & skf18("10","3","1","5","4","3","1") = "9"
    & skf18("10","3","1","5","4","4","1") = "9"
    & skf18("10","3","1","5","4","5","1") = "9"
    & skf18("10","3","1","5","4","6","1") = "9"
    & skf18("10","3","1","5","4","7","1") = "9"
    & skf18("10","3","1","5","4","8","1") = "9"
    & skf18("10","3","1","5","4","9","1") = "9"
    & skf18("10","3","1","5","4","10","1") = "9"
    & skf18("10","3","1","5","5","1","1") = "9"
    & skf18("10","3","1","5","5","2","1") = "9"
    & skf18("10","3","1","5","5","3","1") = "9"
    & skf18("10","3","1","5","5","4","1") = "9"
    & skf18("10","3","1","5","5","5","1") = "9"
    & skf18("10","3","1","5","5","6","1") = "9"
    & skf18("10","3","1","5","5","7","1") = "9"
    & skf18("10","3","1","5","5","8","1") = "9"
    & skf18("10","3","1","5","5","9","1") = "9"
    & skf18("10","3","1","5","5","10","1") = "9"
    & skf18("10","3","1","5","6","1","1") = "9"
    & skf18("10","3","1","5","6","2","1") = "9"
    & skf18("10","3","1","5","6","3","1") = "9"
    & skf18("10","3","1","5","6","4","1") = "9"
    & skf18("10","3","1","5","6","5","1") = "9"
    & skf18("10","3","1","5","6","6","1") = "9"
    & skf18("10","3","1","5","6","7","1") = "9"
    & skf18("10","3","1","5","6","8","1") = "9"
    & skf18("10","3","1","5","6","9","1") = "9"
    & skf18("10","3","1","5","6","10","1") = "9"
    & skf18("10","3","1","5","7","1","1") = "9"
    & skf18("10","3","1","5","7","2","1") = "9"
    & skf18("10","3","1","5","7","3","1") = "9"
    & skf18("10","3","1","5","7","4","1") = "9"
    & skf18("10","3","1","5","7","5","1") = "9"
    & skf18("10","3","1","5","7","6","1") = "9"
    & skf18("10","3","1","5","7","7","1") = "9"
    & skf18("10","3","1","5","7","8","1") = "9"
    & skf18("10","3","1","5","7","9","1") = "9"
    & skf18("10","3","1","5","7","10","1") = "9"
    & skf18("10","3","1","5","8","1","1") = "9"
    & skf18("10","3","1","5","8","2","1") = "9"
    & skf18("10","3","1","5","8","3","1") = "9"
    & skf18("10","3","1","5","8","4","1") = "9"
    & skf18("10","3","1","5","8","5","1") = "9"
    & skf18("10","3","1","5","8","6","1") = "9"
    & skf18("10","3","1","5","8","7","1") = "9"
    & skf18("10","3","1","5","8","8","1") = "9"
    & skf18("10","3","1","5","8","9","1") = "9"
    & skf18("10","3","1","5","8","10","1") = "9"
    & skf18("10","3","1","5","9","1","1") = "9"
    & skf18("10","3","1","5","9","2","1") = "9"
    & skf18("10","3","1","5","9","3","1") = "9"
    & skf18("10","3","1","5","9","4","1") = "9"
    & skf18("10","3","1","5","9","5","1") = "9"
    & skf18("10","3","1","5","9","6","1") = "9"
    & skf18("10","3","1","5","9","7","1") = "9"
    & skf18("10","3","1","5","9","8","1") = "9"
    & skf18("10","3","1","5","9","9","1") = "9"
    & skf18("10","3","1","5","9","10","1") = "9"
    & skf18("10","3","1","5","10","1","1") = "9"
    & skf18("10","3","1","5","10","2","1") = "9"
    & skf18("10","3","1","5","10","3","1") = "9"
    & skf18("10","3","1","5","10","4","1") = "9"
    & skf18("10","3","1","5","10","5","1") = "9"
    & skf18("10","3","1","5","10","6","1") = "9"
    & skf18("10","3","1","5","10","7","1") = "9"
    & skf18("10","3","1","5","10","8","1") = "9"
    & skf18("10","3","1","5","10","9","1") = "9"
    & skf18("10","3","1","5","10","10","1") = "9"
    & skf18("10","3","1","6","1","1","1") = "9"
    & skf18("10","3","1","6","1","2","1") = "9"
    & skf18("10","3","1","6","1","3","1") = "9"
    & skf18("10","3","1","6","1","4","1") = "9"
    & skf18("10","3","1","6","1","5","1") = "9"
    & skf18("10","3","1","6","1","6","1") = "9"
    & skf18("10","3","1","6","1","7","1") = "9"
    & skf18("10","3","1","6","1","8","1") = "9"
    & skf18("10","3","1","6","1","9","1") = "9"
    & skf18("10","3","1","6","1","10","1") = "9"
    & skf18("10","3","1","6","2","1","1") = "9"
    & skf18("10","3","1","6","2","2","1") = "9"
    & skf18("10","3","1","6","2","3","1") = "9"
    & skf18("10","3","1","6","2","4","1") = "9"
    & skf18("10","3","1","6","2","5","1") = "9"
    & skf18("10","3","1","6","2","6","1") = "9"
    & skf18("10","3","1","6","2","7","1") = "9"
    & skf18("10","3","1","6","2","8","1") = "9"
    & skf18("10","3","1","6","2","9","1") = "9"
    & skf18("10","3","1","6","2","10","1") = "9"
    & skf18("10","3","1","6","3","1","1") = "9"
    & skf18("10","3","1","6","3","2","1") = "9"
    & skf18("10","3","1","6","3","3","1") = "9"
    & skf18("10","3","1","6","3","4","1") = "9"
    & skf18("10","3","1","6","3","5","1") = "9"
    & skf18("10","3","1","6","3","6","1") = "9"
    & skf18("10","3","1","6","3","7","1") = "9"
    & skf18("10","3","1","6","3","8","1") = "9"
    & skf18("10","3","1","6","3","9","1") = "9"
    & skf18("10","3","1","6","3","10","1") = "9"
    & skf18("10","3","1","6","4","1","1") = "9"
    & skf18("10","3","1","6","4","2","1") = "9"
    & skf18("10","3","1","6","4","3","1") = "9"
    & skf18("10","3","1","6","4","4","1") = "9"
    & skf18("10","3","1","6","4","5","1") = "9"
    & skf18("10","3","1","6","4","6","1") = "9"
    & skf18("10","3","1","6","4","7","1") = "9"
    & skf18("10","3","1","6","4","8","1") = "9"
    & skf18("10","3","1","6","4","9","1") = "9"
    & skf18("10","3","1","6","4","10","1") = "9"
    & skf18("10","3","1","6","5","1","1") = "9"
    & skf18("10","3","1","6","5","2","1") = "9"
    & skf18("10","3","1","6","5","3","1") = "9"
    & skf18("10","3","1","6","5","4","1") = "9"
    & skf18("10","3","1","6","5","5","1") = "9"
    & skf18("10","3","1","6","5","6","1") = "9"
    & skf18("10","3","1","6","5","7","1") = "9"
    & skf18("10","3","1","6","5","8","1") = "9"
    & skf18("10","3","1","6","5","9","1") = "9"
    & skf18("10","3","1","6","5","10","1") = "9"
    & skf18("10","3","1","6","6","1","1") = "9"
    & skf18("10","3","1","6","6","2","1") = "9"
    & skf18("10","3","1","6","6","3","1") = "9"
    & skf18("10","3","1","6","6","4","1") = "9"
    & skf18("10","3","1","6","6","5","1") = "9"
    & skf18("10","3","1","6","6","6","1") = "9"
    & skf18("10","3","1","6","6","7","1") = "9"
    & skf18("10","3","1","6","6","8","1") = "9"
    & skf18("10","3","1","6","6","9","1") = "9"
    & skf18("10","3","1","6","6","10","1") = "9"
    & skf18("10","3","1","6","7","1","1") = "9"
    & skf18("10","3","1","6","7","2","1") = "9"
    & skf18("10","3","1","6","7","3","1") = "9"
    & skf18("10","3","1","6","7","4","1") = "9"
    & skf18("10","3","1","6","7","5","1") = "9"
    & skf18("10","3","1","6","7","6","1") = "9"
    & skf18("10","3","1","6","7","7","1") = "9"
    & skf18("10","3","1","6","7","8","1") = "9"
    & skf18("10","3","1","6","7","9","1") = "9"
    & skf18("10","3","1","6","7","10","1") = "9"
    & skf18("10","3","1","6","8","1","1") = "9"
    & skf18("10","3","1","6","8","2","1") = "9"
    & skf18("10","3","1","6","8","3","1") = "9"
    & skf18("10","3","1","6","8","4","1") = "9"
    & skf18("10","3","1","6","8","5","1") = "9"
    & skf18("10","3","1","6","8","6","1") = "9"
    & skf18("10","3","1","6","8","7","1") = "9"
    & skf18("10","3","1","6","8","8","1") = "9"
    & skf18("10","3","1","6","8","9","1") = "9"
    & skf18("10","3","1","6","8","10","1") = "9"
    & skf18("10","3","1","6","9","1","1") = "9"
    & skf18("10","3","1","6","9","2","1") = "9"
    & skf18("10","3","1","6","9","3","1") = "9"
    & skf18("10","3","1","6","9","4","1") = "9"
    & skf18("10","3","1","6","9","5","1") = "9"
    & skf18("10","3","1","6","9","6","1") = "9"
    & skf18("10","3","1","6","9","7","1") = "9"
    & skf18("10","3","1","6","9","8","1") = "9"
    & skf18("10","3","1","6","9","9","1") = "9"
    & skf18("10","3","1","6","9","10","1") = "9"
    & skf18("10","3","1","6","10","1","1") = "9"
    & skf18("10","3","1","6","10","2","1") = "9"
    & skf18("10","3","1","6","10","3","1") = "9"
    & skf18("10","3","1","6","10","4","1") = "9"
    & skf18("10","3","1","6","10","5","1") = "9"
    & skf18("10","3","1","6","10","6","1") = "9"
    & skf18("10","3","1","6","10","7","1") = "9"
    & skf18("10","3","1","6","10","8","1") = "9"
    & skf18("10","3","1","6","10","9","1") = "9"
    & skf18("10","3","1","6","10","10","1") = "9"
    & skf18("10","3","1","7","1","1","1") = "9"
    & skf18("10","3","1","7","1","2","1") = "9"
    & skf18("10","3","1","7","1","3","1") = "9"
    & skf18("10","3","1","7","1","4","1") = "9"
    & skf18("10","3","1","7","1","5","1") = "9"
    & skf18("10","3","1","7","1","6","1") = "9"
    & skf18("10","3","1","7","1","7","1") = "9"
    & skf18("10","3","1","7","1","8","1") = "9"
    & skf18("10","3","1","7","1","9","1") = "9"
    & skf18("10","3","1","7","1","10","1") = "9"
    & skf18("10","3","1","7","2","1","1") = "9"
    & skf18("10","3","1","7","2","2","1") = "9"
    & skf18("10","3","1","7","2","3","1") = "9"
    & skf18("10","3","1","7","2","4","1") = "9"
    & skf18("10","3","1","7","2","5","1") = "9"
    & skf18("10","3","1","7","2","6","1") = "9"
    & skf18("10","3","1","7","2","7","1") = "9"
    & skf18("10","3","1","7","2","8","1") = "9"
    & skf18("10","3","1","7","2","9","1") = "9"
    & skf18("10","3","1","7","2","10","1") = "9"
    & skf18("10","3","1","7","3","1","1") = "9"
    & skf18("10","3","1","7","3","2","1") = "9"
    & skf18("10","3","1","7","3","3","1") = "9"
    & skf18("10","3","1","7","3","4","1") = "9"
    & skf18("10","3","1","7","3","5","1") = "9"
    & skf18("10","3","1","7","3","6","1") = "9"
    & skf18("10","3","1","7","3","7","1") = "9"
    & skf18("10","3","1","7","3","8","1") = "9"
    & skf18("10","3","1","7","3","9","1") = "9"
    & skf18("10","3","1","7","3","10","1") = "9"
    & skf18("10","3","1","7","4","1","1") = "9"
    & skf18("10","3","1","7","4","2","1") = "9"
    & skf18("10","3","1","7","4","3","1") = "9"
    & skf18("10","3","1","7","4","4","1") = "9"
    & skf18("10","3","1","7","4","5","1") = "9"
    & skf18("10","3","1","7","4","6","1") = "9"
    & skf18("10","3","1","7","4","7","1") = "9"
    & skf18("10","3","1","7","4","8","1") = "9"
    & skf18("10","3","1","7","4","9","1") = "9"
    & skf18("10","3","1","7","4","10","1") = "9"
    & skf18("10","3","1","7","5","1","1") = "9"
    & skf18("10","3","1","7","5","2","1") = "9"
    & skf18("10","3","1","7","5","3","1") = "9"
    & skf18("10","3","1","7","5","4","1") = "9"
    & skf18("10","3","1","7","5","5","1") = "9"
    & skf18("10","3","1","7","5","6","1") = "9"
    & skf18("10","3","1","7","5","7","1") = "9"
    & skf18("10","3","1","7","5","8","1") = "9"
    & skf18("10","3","1","7","5","9","1") = "9"
    & skf18("10","3","1","7","5","10","1") = "9"
    & skf18("10","3","1","7","6","1","1") = "9"
    & skf18("10","3","1","7","6","2","1") = "9"
    & skf18("10","3","1","7","6","3","1") = "9"
    & skf18("10","3","1","7","6","4","1") = "9"
    & skf18("10","3","1","7","6","5","1") = "9"
    & skf18("10","3","1","7","6","6","1") = "9"
    & skf18("10","3","1","7","6","7","1") = "9"
    & skf18("10","3","1","7","6","8","1") = "9"
    & skf18("10","3","1","7","6","9","1") = "9"
    & skf18("10","3","1","7","6","10","1") = "9"
    & skf18("10","3","1","7","7","1","1") = "9"
    & skf18("10","3","1","7","7","2","1") = "9"
    & skf18("10","3","1","7","7","3","1") = "9"
    & skf18("10","3","1","7","7","4","1") = "9"
    & skf18("10","3","1","7","7","5","1") = "9"
    & skf18("10","3","1","7","7","6","1") = "9"
    & skf18("10","3","1","7","7","7","1") = "9"
    & skf18("10","3","1","7","7","8","1") = "9"
    & skf18("10","3","1","7","7","9","1") = "9"
    & skf18("10","3","1","7","7","10","1") = "9"
    & skf18("10","3","1","7","8","1","1") = "9"
    & skf18("10","3","1","7","8","2","1") = "9"
    & skf18("10","3","1","7","8","3","1") = "9"
    & skf18("10","3","1","7","8","4","1") = "9"
    & skf18("10","3","1","7","8","5","1") = "9"
    & skf18("10","3","1","7","8","6","1") = "9"
    & skf18("10","3","1","7","8","7","1") = "9"
    & skf18("10","3","1","7","8","8","1") = "9"
    & skf18("10","3","1","7","8","9","1") = "9"
    & skf18("10","3","1","7","8","10","1") = "9"
    & skf18("10","3","1","7","9","1","1") = "9"
    & skf18("10","3","1","7","9","2","1") = "9"
    & skf18("10","3","1","7","9","3","1") = "9"
    & skf18("10","3","1","7","9","4","1") = "9"
    & skf18("10","3","1","7","9","5","1") = "9"
    & skf18("10","3","1","7","9","6","1") = "9"
    & skf18("10","3","1","7","9","7","1") = "9"
    & skf18("10","3","1","7","9","8","1") = "9"
    & skf18("10","3","1","7","9","9","1") = "9"
    & skf18("10","3","1","7","9","10","1") = "9"
    & skf18("10","3","1","7","10","1","1") = "9"
    & skf18("10","3","1","7","10","2","1") = "9"
    & skf18("10","3","1","7","10","3","1") = "9"
    & skf18("10","3","1","7","10","4","1") = "9"
    & skf18("10","3","1","7","10","5","1") = "9"
    & skf18("10","3","1","7","10","6","1") = "9"
    & skf18("10","3","1","7","10","7","1") = "9"
    & skf18("10","3","1","7","10","8","1") = "9"
    & skf18("10","3","1","7","10","9","1") = "9"
    & skf18("10","3","1","7","10","10","1") = "9"
    & skf18("10","3","1","8","1","1","1") = "9"
    & skf18("10","3","1","8","1","2","1") = "9"
    & skf18("10","3","1","8","1","3","1") = "9"
    & skf18("10","3","1","8","1","4","1") = "9"
    & skf18("10","3","1","8","1","5","1") = "9"
    & skf18("10","3","1","8","1","6","1") = "9"
    & skf18("10","3","1","8","1","7","1") = "9"
    & skf18("10","3","1","8","1","8","1") = "9"
    & skf18("10","3","1","8","1","9","1") = "9"
    & skf18("10","3","1","8","1","10","1") = "9"
    & skf18("10","3","1","8","2","1","1") = "9"
    & skf18("10","3","1","8","2","2","1") = "9"
    & skf18("10","3","1","8","2","3","1") = "9"
    & skf18("10","3","1","8","2","4","1") = "9"
    & skf18("10","3","1","8","2","5","1") = "9"
    & skf18("10","3","1","8","2","6","1") = "9"
    & skf18("10","3","1","8","2","7","1") = "9"
    & skf18("10","3","1","8","2","8","1") = "9"
    & skf18("10","3","1","8","2","9","1") = "9"
    & skf18("10","3","1","8","2","10","1") = "9"
    & skf18("10","3","1","8","3","1","1") = "9"
    & skf18("10","3","1","8","3","2","1") = "9"
    & skf18("10","3","1","8","3","3","1") = "9"
    & skf18("10","3","1","8","3","4","1") = "9"
    & skf18("10","3","1","8","3","5","1") = "9"
    & skf18("10","3","1","8","3","6","1") = "9"
    & skf18("10","3","1","8","3","7","1") = "9"
    & skf18("10","3","1","8","3","8","1") = "9"
    & skf18("10","3","1","8","3","9","1") = "9"
    & skf18("10","3","1","8","3","10","1") = "9"
    & skf18("10","3","1","8","4","1","1") = "9"
    & skf18("10","3","1","8","4","2","1") = "9"
    & skf18("10","3","1","8","4","3","1") = "9"
    & skf18("10","3","1","8","4","4","1") = "9"
    & skf18("10","3","1","8","4","5","1") = "9"
    & skf18("10","3","1","8","4","6","1") = "9"
    & skf18("10","3","1","8","4","7","1") = "9"
    & skf18("10","3","1","8","4","8","1") = "9"
    & skf18("10","3","1","8","4","9","1") = "9"
    & skf18("10","3","1","8","4","10","1") = "9"
    & skf18("10","3","1","8","5","1","1") = "9"
    & skf18("10","3","1","8","5","2","1") = "9"
    & skf18("10","3","1","8","5","3","1") = "9"
    & skf18("10","3","1","8","5","4","1") = "9"
    & skf18("10","3","1","8","5","5","1") = "9"
    & skf18("10","3","1","8","5","6","1") = "9"
    & skf18("10","3","1","8","5","7","1") = "9"
    & skf18("10","3","1","8","5","8","1") = "9"
    & skf18("10","3","1","8","5","9","1") = "9"
    & skf18("10","3","1","8","5","10","1") = "9"
    & skf18("10","3","1","8","6","1","1") = "9"
    & skf18("10","3","1","8","6","2","1") = "9"
    & skf18("10","3","1","8","6","3","1") = "9"
    & skf18("10","3","1","8","6","4","1") = "9"
    & skf18("10","3","1","8","6","5","1") = "9"
    & skf18("10","3","1","8","6","6","1") = "9"
    & skf18("10","3","1","8","6","7","1") = "9"
    & skf18("10","3","1","8","6","8","1") = "9"
    & skf18("10","3","1","8","6","9","1") = "9"
    & skf18("10","3","1","8","6","10","1") = "9"
    & skf18("10","3","1","8","7","1","1") = "9"
    & skf18("10","3","1","8","7","2","1") = "9"
    & skf18("10","3","1","8","7","3","1") = "9"
    & skf18("10","3","1","8","7","4","1") = "9"
    & skf18("10","3","1","8","7","5","1") = "9"
    & skf18("10","3","1","8","7","6","1") = "9"
    & skf18("10","3","1","8","7","7","1") = "9"
    & skf18("10","3","1","8","7","8","1") = "9"
    & skf18("10","3","1","8","7","9","1") = "9"
    & skf18("10","3","1","8","7","10","1") = "9"
    & skf18("10","3","1","8","8","1","1") = "9"
    & skf18("10","3","1","8","8","2","1") = "9"
    & skf18("10","3","1","8","8","3","1") = "9"
    & skf18("10","3","1","8","8","4","1") = "9"
    & skf18("10","3","1","8","8","5","1") = "9"
    & skf18("10","3","1","8","8","6","1") = "9"
    & skf18("10","3","1","8","8","7","1") = "9"
    & skf18("10","3","1","8","8","8","1") = "9"
    & skf18("10","3","1","8","8","9","1") = "9"
    & skf18("10","3","1","8","8","10","1") = "9"
    & skf18("10","3","1","8","9","1","1") = "9"
    & skf18("10","3","1","8","9","2","1") = "9"
    & skf18("10","3","1","8","9","3","1") = "9"
    & skf18("10","3","1","8","9","4","1") = "9"
    & skf18("10","3","1","8","9","5","1") = "9"
    & skf18("10","3","1","8","9","6","1") = "9"
    & skf18("10","3","1","8","9","7","1") = "9"
    & skf18("10","3","1","8","9","8","1") = "9"
    & skf18("10","3","1","8","9","9","1") = "9"
    & skf18("10","3","1","8","9","10","1") = "9"
    & skf18("10","3","1","8","10","1","1") = "9"
    & skf18("10","3","1","8","10","2","1") = "9"
    & skf18("10","3","1","8","10","3","1") = "9"
    & skf18("10","3","1","8","10","4","1") = "9"
    & skf18("10","3","1","8","10","5","1") = "9"
    & skf18("10","3","1","8","10","6","1") = "9"
    & skf18("10","3","1","8","10","7","1") = "9"
    & skf18("10","3","1","8","10","8","1") = "9"
    & skf18("10","3","1","8","10","9","1") = "9"
    & skf18("10","3","1","8","10","10","1") = "9"
    & skf18("10","3","1","9","1","1","1") = "9"
    & skf18("10","3","1","9","1","2","1") = "9"
    & skf18("10","3","1","9","1","3","1") = "9"
    & skf18("10","3","1","9","1","4","1") = "9"
    & skf18("10","3","1","9","1","5","1") = "9"
    & skf18("10","3","1","9","1","6","1") = "9"
    & skf18("10","3","1","9","1","7","1") = "9"
    & skf18("10","3","1","9","1","8","1") = "9"
    & skf18("10","3","1","9","1","9","1") = "9"
    & skf18("10","3","1","9","1","10","1") = "9"
    & skf18("10","3","1","9","2","1","1") = "9"
    & skf18("10","3","1","9","2","2","1") = "9"
    & skf18("10","3","1","9","2","3","1") = "9"
    & skf18("10","3","1","9","2","4","1") = "9"
    & skf18("10","3","1","9","2","5","1") = "9"
    & skf18("10","3","1","9","2","6","1") = "9"
    & skf18("10","3","1","9","2","7","1") = "9"
    & skf18("10","3","1","9","2","8","1") = "9"
    & skf18("10","3","1","9","2","9","1") = "9"
    & skf18("10","3","1","9","2","10","1") = "9"
    & skf18("10","3","1","9","3","1","1") = "9"
    & skf18("10","3","1","9","3","2","1") = "9"
    & skf18("10","3","1","9","3","3","1") = "9"
    & skf18("10","3","1","9","3","4","1") = "9"
    & skf18("10","3","1","9","3","5","1") = "9"
    & skf18("10","3","1","9","3","6","1") = "9"
    & skf18("10","3","1","9","3","7","1") = "9"
    & skf18("10","3","1","9","3","8","1") = "9"
    & skf18("10","3","1","9","3","9","1") = "9"
    & skf18("10","3","1","9","3","10","1") = "9"
    & skf18("10","3","1","9","4","1","1") = "9"
    & skf18("10","3","1","9","4","2","1") = "9"
    & skf18("10","3","1","9","4","3","1") = "9"
    & skf18("10","3","1","9","4","4","1") = "9"
    & skf18("10","3","1","9","4","5","1") = "9"
    & skf18("10","3","1","9","4","6","1") = "9"
    & skf18("10","3","1","9","4","7","1") = "9"
    & skf18("10","3","1","9","4","8","1") = "9"
    & skf18("10","3","1","9","4","9","1") = "9"
    & skf18("10","3","1","9","4","10","1") = "9"
    & skf18("10","3","1","9","5","1","1") = "9"
    & skf18("10","3","1","9","5","2","1") = "9"
    & skf18("10","3","1","9","5","3","1") = "9"
    & skf18("10","3","1","9","5","4","1") = "9"
    & skf18("10","3","1","9","5","5","1") = "9"
    & skf18("10","3","1","9","5","6","1") = "9"
    & skf18("10","3","1","9","5","7","1") = "9"
    & skf18("10","3","1","9","5","8","1") = "9"
    & skf18("10","3","1","9","5","9","1") = "9"
    & skf18("10","3","1","9","5","10","1") = "9"
    & skf18("10","3","1","9","6","1","1") = "9"
    & skf18("10","3","1","9","6","2","1") = "9"
    & skf18("10","3","1","9","6","3","1") = "9"
    & skf18("10","3","1","9","6","4","1") = "9"
    & skf18("10","3","1","9","6","5","1") = "9"
    & skf18("10","3","1","9","6","6","1") = "9"
    & skf18("10","3","1","9","6","7","1") = "9"
    & skf18("10","3","1","9","6","8","1") = "9"
    & skf18("10","3","1","9","6","9","1") = "9"
    & skf18("10","3","1","9","6","10","1") = "9"
    & skf18("10","3","1","9","7","1","1") = "9"
    & skf18("10","3","1","9","7","2","1") = "9"
    & skf18("10","3","1","9","7","3","1") = "9"
    & skf18("10","3","1","9","7","4","1") = "9"
    & skf18("10","3","1","9","7","5","1") = "9"
    & skf18("10","3","1","9","7","6","1") = "9"
    & skf18("10","3","1","9","7","7","1") = "9"
    & skf18("10","3","1","9","7","8","1") = "9"
    & skf18("10","3","1","9","7","9","1") = "9"
    & skf18("10","3","1","9","7","10","1") = "9"
    & skf18("10","3","1","9","8","1","1") = "9"
    & skf18("10","3","1","9","8","2","1") = "9"
    & skf18("10","3","1","9","8","3","1") = "9"
    & skf18("10","3","1","9","8","4","1") = "9"
    & skf18("10","3","1","9","8","5","1") = "9"
    & skf18("10","3","1","9","8","6","1") = "9"
    & skf18("10","3","1","9","8","7","1") = "9"
    & skf18("10","3","1","9","8","8","1") = "9"
    & skf18("10","3","1","9","8","9","1") = "9"
    & skf18("10","3","1","9","8","10","1") = "9"
    & skf18("10","3","1","9","9","1","1") = "9"
    & skf18("10","3","1","9","9","2","1") = "9"
    & skf18("10","3","1","9","9","3","1") = "9"
    & skf18("10","3","1","9","9","4","1") = "9"
    & skf18("10","3","1","9","9","5","1") = "9"
    & skf18("10","3","1","9","9","6","1") = "9"
    & skf18("10","3","1","9","9","7","1") = "9"
    & skf18("10","3","1","9","9","8","1") = "9"
    & skf18("10","3","1","9","9","9","1") = "9"
    & skf18("10","3","1","9","9","10","1") = "9"
    & skf18("10","3","1","9","10","1","1") = "9"
    & skf18("10","3","1","9","10","2","1") = "9"
    & skf18("10","3","1","9","10","3","1") = "9"
    & skf18("10","3","1","9","10","4","1") = "9"
    & skf18("10","3","1","9","10","5","1") = "9"
    & skf18("10","3","1","9","10","6","1") = "9"
    & skf18("10","3","1","9","10","7","1") = "9"
    & skf18("10","3","1","9","10","8","1") = "9"
    & skf18("10","3","1","9","10","9","1") = "9"
    & skf18("10","3","1","9","10","10","1") = "9"
    & skf18("10","3","1","10","1","1","1") = "9"
    & skf18("10","3","1","10","1","2","1") = "9"
    & skf18("10","3","1","10","1","3","1") = "9"
    & skf18("10","3","1","10","1","4","1") = "9"
    & skf18("10","3","1","10","1","5","1") = "9"
    & skf18("10","3","1","10","1","6","1") = "9"
    & skf18("10","3","1","10","1","7","1") = "9"
    & skf18("10","3","1","10","1","8","1") = "9"
    & skf18("10","3","1","10","1","9","1") = "9"
    & skf18("10","3","1","10","1","10","1") = "9"
    & skf18("10","3","1","10","2","1","1") = "9"
    & skf18("10","3","1","10","2","2","1") = "9"
    & skf18("10","3","1","10","2","3","1") = "9"
    & skf18("10","3","1","10","2","4","1") = "9"
    & skf18("10","3","1","10","2","5","1") = "9"
    & skf18("10","3","1","10","2","6","1") = "9"
    & skf18("10","3","1","10","2","7","1") = "9"
    & skf18("10","3","1","10","2","8","1") = "9"
    & skf18("10","3","1","10","2","9","1") = "9"
    & skf18("10","3","1","10","2","10","1") = "9"
    & skf18("10","3","1","10","3","1","1") = "9"
    & skf18("10","3","1","10","3","2","1") = "9"
    & skf18("10","3","1","10","3","3","1") = "9"
    & skf18("10","3","1","10","3","4","1") = "9"
    & skf18("10","3","1","10","3","5","1") = "9"
    & skf18("10","3","1","10","3","6","1") = "9"
    & skf18("10","3","1","10","3","7","1") = "9"
    & skf18("10","3","1","10","3","8","1") = "9"
    & skf18("10","3","1","10","3","9","1") = "9"
    & skf18("10","3","1","10","3","10","1") = "9"
    & skf18("10","3","1","10","4","1","1") = "9"
    & skf18("10","3","1","10","4","2","1") = "9"
    & skf18("10","3","1","10","4","3","1") = "9"
    & skf18("10","3","1","10","4","4","1") = "9"
    & skf18("10","3","1","10","4","5","1") = "9"
    & skf18("10","3","1","10","4","6","1") = "9"
    & skf18("10","3","1","10","4","7","1") = "9"
    & skf18("10","3","1","10","4","8","1") = "9"
    & skf18("10","3","1","10","4","9","1") = "9"
    & skf18("10","3","1","10","4","10","1") = "9"
    & skf18("10","3","1","10","5","1","1") = "9"
    & skf18("10","3","1","10","5","2","1") = "9"
    & skf18("10","3","1","10","5","3","1") = "9"
    & skf18("10","3","1","10","5","4","1") = "9"
    & skf18("10","3","1","10","5","5","1") = "9"
    & skf18("10","3","1","10","5","6","1") = "9"
    & skf18("10","3","1","10","5","7","1") = "9"
    & skf18("10","3","1","10","5","8","1") = "9"
    & skf18("10","3","1","10","5","9","1") = "9"
    & skf18("10","3","1","10","5","10","1") = "9"
    & skf18("10","3","1","10","6","1","1") = "9"
    & skf18("10","3","1","10","6","2","1") = "9"
    & skf18("10","3","1","10","6","3","1") = "9"
    & skf18("10","3","1","10","6","4","1") = "9"
    & skf18("10","3","1","10","6","5","1") = "9"
    & skf18("10","3","1","10","6","6","1") = "9"
    & skf18("10","3","1","10","6","7","1") = "9"
    & skf18("10","3","1","10","6","8","1") = "9"
    & skf18("10","3","1","10","6","9","1") = "9"
    & skf18("10","3","1","10","6","10","1") = "9"
    & skf18("10","3","1","10","7","1","1") = "9"
    & skf18("10","3","1","10","7","2","1") = "9"
    & skf18("10","3","1","10","7","3","1") = "9"
    & skf18("10","3","1","10","7","4","1") = "9"
    & skf18("10","3","1","10","7","5","1") = "9"
    & skf18("10","3","1","10","7","6","1") = "9"
    & skf18("10","3","1","10","7","7","1") = "9"
    & skf18("10","3","1","10","7","8","1") = "9"
    & skf18("10","3","1","10","7","9","1") = "9"
    & skf18("10","3","1","10","7","10","1") = "9"
    & skf18("10","3","1","10","8","1","1") = "9"
    & skf18("10","3","1","10","8","2","1") = "9"
    & skf18("10","3","1","10","8","3","1") = "9"
    & skf18("10","3","1","10","8","4","1") = "9"
    & skf18("10","3","1","10","8","5","1") = "9"
    & skf18("10","3","1","10","8","6","1") = "9"
    & skf18("10","3","1","10","8","7","1") = "9"
    & skf18("10","3","1","10","8","8","1") = "9"
    & skf18("10","3","1","10","8","9","1") = "9"
    & skf18("10","3","1","10","8","10","1") = "9"
    & skf18("10","3","1","10","9","1","1") = "9"
    & skf18("10","3","1","10","9","2","1") = "9"
    & skf18("10","3","1","10","9","3","1") = "9"
    & skf18("10","3","1","10","9","4","1") = "9"
    & skf18("10","3","1","10","9","5","1") = "9"
    & skf18("10","3","1","10","9","6","1") = "9"
    & skf18("10","3","1","10","9","7","1") = "9"
    & skf18("10","3","1","10","9","8","1") = "9"
    & skf18("10","3","1","10","9","9","1") = "9"
    & skf18("10","3","1","10","9","10","1") = "9"
    & skf18("10","3","1","10","10","1","1") = "9"
    & skf18("10","3","1","10","10","2","1") = "9"
    & skf18("10","3","1","10","10","3","1") = "9"
    & skf18("10","3","1","10","10","4","1") = "9"
    & skf18("10","3","1","10","10","5","1") = "9"
    & skf18("10","3","1","10","10","6","1") = "9"
    & skf18("10","3","1","10","10","7","1") = "9"
    & skf18("10","3","1","10","10","8","1") = "9"
    & skf18("10","3","1","10","10","9","1") = "9"
    & skf18("10","3","1","10","10","10","1") = "9"
    & skf18("10","3","2","1","1","1","1") = "9"
    & skf18("10","3","2","1","1","2","1") = "9"
    & skf18("10","3","2","1","1","3","1") = "9"
    & skf18("10","3","2","1","1","4","1") = "9"
    & skf18("10","3","2","1","1","5","1") = "9"
    & skf18("10","3","2","1","1","6","1") = "9"
    & skf18("10","3","2","1","1","7","1") = "9"
    & skf18("10","3","2","1","1","8","1") = "9"
    & skf18("10","3","2","1","1","9","1") = "9"
    & skf18("10","3","2","1","1","10","1") = "9"
    & skf18("10","3","2","1","2","1","1") = "9"
    & skf18("10","3","2","1","2","2","1") = "9"
    & skf18("10","3","2","1","2","3","1") = "9"
    & skf18("10","3","2","1","2","4","1") = "9"
    & skf18("10","3","2","1","2","5","1") = "9"
    & skf18("10","3","2","1","2","6","1") = "9"
    & skf18("10","3","2","1","2","7","1") = "9"
    & skf18("10","3","2","1","2","8","1") = "9"
    & skf18("10","3","2","1","2","9","1") = "9"
    & skf18("10","3","2","1","2","10","1") = "9"
    & skf18("10","3","2","1","3","1","1") = "9"
    & skf18("10","3","2","1","3","2","1") = "9"
    & skf18("10","3","2","1","3","3","1") = "9"
    & skf18("10","3","2","1","3","4","1") = "9"
    & skf18("10","3","2","1","3","5","1") = "9"
    & skf18("10","3","2","1","3","6","1") = "9"
    & skf18("10","3","2","1","3","7","1") = "9"
    & skf18("10","3","2","1","3","8","1") = "9"
    & skf18("10","3","2","1","3","9","1") = "9"
    & skf18("10","3","2","1","3","10","1") = "9"
    & skf18("10","3","2","1","4","1","1") = "9"
    & skf18("10","3","2","1","4","2","1") = "9"
    & skf18("10","3","2","1","4","3","1") = "9"
    & skf18("10","3","2","1","4","4","1") = "9"
    & skf18("10","3","2","1","4","5","1") = "9"
    & skf18("10","3","2","1","4","6","1") = "9"
    & skf18("10","3","2","1","4","7","1") = "9"
    & skf18("10","3","2","1","4","8","1") = "9"
    & skf18("10","3","2","1","4","9","1") = "9"
    & skf18("10","3","2","1","4","10","1") = "9"
    & skf18("10","3","2","1","5","1","1") = "9"
    & skf18("10","3","2","1","5","2","1") = "9"
    & skf18("10","3","2","1","5","3","1") = "9"
    & skf18("10","3","2","1","5","4","1") = "9"
    & skf18("10","3","2","1","5","5","1") = "9"
    & skf18("10","3","2","1","5","6","1") = "9"
    & skf18("10","3","2","1","5","7","1") = "9"
    & skf18("10","3","2","1","5","8","1") = "9"
    & skf18("10","3","2","1","5","9","1") = "9"
    & skf18("10","3","2","1","5","10","1") = "9"
    & skf18("10","3","2","1","6","1","1") = "9"
    & skf18("10","3","2","1","6","2","1") = "9"
    & skf18("10","3","2","1","6","3","1") = "9"
    & skf18("10","3","2","1","6","4","1") = "9"
    & skf18("10","3","2","1","6","5","1") = "9"
    & skf18("10","3","2","1","6","6","1") = "9"
    & skf18("10","3","2","1","6","7","1") = "9"
    & skf18("10","3","2","1","6","8","1") = "9"
    & skf18("10","3","2","1","6","9","1") = "9"
    & skf18("10","3","2","1","6","10","1") = "9"
    & skf18("10","3","2","1","7","1","1") = "9"
    & skf18("10","3","2","1","7","2","1") = "9"
    & skf18("10","3","2","1","7","3","1") = "9"
    & skf18("10","3","2","1","7","4","1") = "9"
    & skf18("10","3","2","1","7","5","1") = "9"
    & skf18("10","3","2","1","7","6","1") = "9"
    & skf18("10","3","2","1","7","7","1") = "9"
    & skf18("10","3","2","1","7","8","1") = "9"
    & skf18("10","3","2","1","7","9","1") = "9"
    & skf18("10","3","2","1","7","10","1") = "9"
    & skf18("10","3","2","1","8","1","1") = "9"
    & skf18("10","3","2","1","8","2","1") = "9"
    & skf18("10","3","2","1","8","3","1") = "9"
    & skf18("10","3","2","1","8","4","1") = "9"
    & skf18("10","3","2","1","8","5","1") = "9"
    & skf18("10","3","2","1","8","6","1") = "9"
    & skf18("10","3","2","1","8","7","1") = "9"
    & skf18("10","3","2","1","8","8","1") = "9"
    & skf18("10","3","2","1","8","9","1") = "9"
    & skf18("10","3","2","1","8","10","1") = "9"
    & skf18("10","3","2","1","9","1","1") = "9"
    & skf18("10","3","2","1","9","2","1") = "9"
    & skf18("10","3","2","1","9","3","1") = "9"
    & skf18("10","3","2","1","9","4","1") = "9"
    & skf18("10","3","2","1","9","5","1") = "9"
    & skf18("10","3","2","1","9","6","1") = "9"
    & skf18("10","3","2","1","9","7","1") = "9"
    & skf18("10","3","2","1","9","8","1") = "9"
    & skf18("10","3","2","1","9","9","1") = "9"
    & skf18("10","3","2","1","9","10","1") = "9"
    & skf18("10","3","2","1","10","1","1") = "9"
    & skf18("10","3","2","1","10","2","1") = "9"
    & skf18("10","3","2","1","10","3","1") = "9"
    & skf18("10","3","2","1","10","4","1") = "9"
    & skf18("10","3","2","1","10","5","1") = "9"
    & skf18("10","3","2","1","10","6","1") = "9"
    & skf18("10","3","2","1","10","7","1") = "9"
    & skf18("10","3","2","1","10","8","1") = "9"
    & skf18("10","3","2","1","10","9","1") = "9"
    & skf18("10","3","2","1","10","10","1") = "9"
    & skf18("10","3","2","2","1","1","1") = "9"
    & skf18("10","3","2","2","1","2","1") = "9"
    & skf18("10","3","2","2","1","3","1") = "9"
    & skf18("10","3","2","2","1","4","1") = "9"
    & skf18("10","3","2","2","1","5","1") = "9"
    & skf18("10","3","2","2","1","6","1") = "9"
    & skf18("10","3","2","2","1","7","1") = "9"
    & skf18("10","3","2","2","1","8","1") = "9"
    & skf18("10","3","2","2","1","9","1") = "9"
    & skf18("10","3","2","2","1","10","1") = "9"
    & skf18("10","3","2","2","2","1","1") = "9"
    & skf18("10","3","2","2","2","2","1") = "9"
    & skf18("10","3","2","2","2","3","1") = "9"
    & skf18("10","3","2","2","2","4","1") = "9"
    & skf18("10","3","2","2","2","5","1") = "9"
    & skf18("10","3","2","2","2","6","1") = "9"
    & skf18("10","3","2","2","2","7","1") = "9"
    & skf18("10","3","2","2","2","8","1") = "9"
    & skf18("10","3","2","2","2","9","1") = "9"
    & skf18("10","3","2","2","2","10","1") = "9"
    & skf18("10","3","2","2","3","1","1") = "9"
    & skf18("10","3","2","2","3","2","1") = "9"
    & skf18("10","3","2","2","3","3","1") = "9"
    & skf18("10","3","2","2","3","4","1") = "9"
    & skf18("10","3","2","2","3","5","1") = "9"
    & skf18("10","3","2","2","3","6","1") = "9"
    & skf18("10","3","2","2","3","7","1") = "9"
    & skf18("10","3","2","2","3","8","1") = "9"
    & skf18("10","3","2","2","3","9","1") = "9"
    & skf18("10","3","2","2","3","10","1") = "9"
    & skf18("10","3","2","2","4","1","1") = "9"
    & skf18("10","3","2","2","4","2","1") = "9"
    & skf18("10","3","2","2","4","3","1") = "9"
    & skf18("10","3","2","2","4","4","1") = "9"
    & skf18("10","3","2","2","4","5","1") = "9"
    & skf18("10","3","2","2","4","6","1") = "9"
    & skf18("10","3","2","2","4","7","1") = "9"
    & skf18("10","3","2","2","4","8","1") = "9"
    & skf18("10","3","2","2","4","9","1") = "9"
    & skf18("10","3","2","2","4","10","1") = "9"
    & skf18("10","3","2","2","5","1","1") = "9"
    & skf18("10","3","2","2","5","2","1") = "9"
    & skf18("10","3","2","2","5","3","1") = "9"
    & skf18("10","3","2","2","5","4","1") = "9"
    & skf18("10","3","2","2","5","5","1") = "9"
    & skf18("10","3","2","2","5","6","1") = "9"
    & skf18("10","3","2","2","5","7","1") = "9"
    & skf18("10","3","2","2","5","8","1") = "9"
    & skf18("10","3","2","2","5","9","1") = "9"
    & skf18("10","3","2","2","5","10","1") = "9"
    & skf18("10","3","2","2","6","1","1") = "9"
    & skf18("10","3","2","2","6","2","1") = "9"
    & skf18("10","3","2","2","6","3","1") = "9"
    & skf18("10","3","2","2","6","4","1") = "9"
    & skf18("10","3","2","2","6","5","1") = "9"
    & skf18("10","3","2","2","6","6","1") = "9"
    & skf18("10","3","2","2","6","7","1") = "9"
    & skf18("10","3","2","2","6","8","1") = "9"
    & skf18("10","3","2","2","6","9","1") = "9"
    & skf18("10","3","2","2","6","10","1") = "9"
    & skf18("10","3","2","2","7","1","1") = "9"
    & skf18("10","3","2","2","7","2","1") = "9"
    & skf18("10","3","2","2","7","3","1") = "9"
    & skf18("10","3","2","2","7","4","1") = "9"
    & skf18("10","3","2","2","7","5","1") = "9"
    & skf18("10","3","2","2","7","6","1") = "9"
    & skf18("10","3","2","2","7","7","1") = "9"
    & skf18("10","3","2","2","7","8","1") = "9"
    & skf18("10","3","2","2","7","9","1") = "9"
    & skf18("10","3","2","2","7","10","1") = "9"
    & skf18("10","3","2","2","8","1","1") = "9"
    & skf18("10","3","2","2","8","2","1") = "9"
    & skf18("10","3","2","2","8","3","1") = "9"
    & skf18("10","3","2","2","8","4","1") = "9"
    & skf18("10","3","2","2","8","5","1") = "9"
    & skf18("10","3","2","2","8","6","1") = "9"
    & skf18("10","3","2","2","8","7","1") = "9"
    & skf18("10","3","2","2","8","8","1") = "9"
    & skf18("10","3","2","2","8","9","1") = "9"
    & skf18("10","3","2","2","8","10","1") = "9"
    & skf18("10","3","2","2","9","1","1") = "9"
    & skf18("10","3","2","2","9","2","1") = "9"
    & skf18("10","3","2","2","9","3","1") = "9"
    & skf18("10","3","2","2","9","4","1") = "9"
    & skf18("10","3","2","2","9","5","1") = "9"
    & skf18("10","3","2","2","9","6","1") = "9"
    & skf18("10","3","2","2","9","7","1") = "9"
    & skf18("10","3","2","2","9","8","1") = "9"
    & skf18("10","3","2","2","9","9","1") = "9"
    & skf18("10","3","2","2","9","10","1") = "9"
    & skf18("10","3","2","2","10","1","1") = "9"
    & skf18("10","3","2","2","10","2","1") = "9"
    & skf18("10","3","2","2","10","3","1") = "9"
    & skf18("10","3","2","2","10","4","1") = "9"
    & skf18("10","3","2","2","10","5","1") = "9"
    & skf18("10","3","2","2","10","6","1") = "9"
    & skf18("10","3","2","2","10","7","1") = "9"
    & skf18("10","3","2","2","10","8","1") = "9"
    & skf18("10","3","2","2","10","9","1") = "9"
    & skf18("10","3","2","2","10","10","1") = "9"
    & skf18("10","3","2","3","1","1","1") = "9"
    & skf18("10","3","2","3","1","2","1") = "9"
    & skf18("10","3","2","3","1","3","1") = "9"
    & skf18("10","3","2","3","1","4","1") = "9"
    & skf18("10","3","2","3","1","5","1") = "9"
    & skf18("10","3","2","3","1","6","1") = "9"
    & skf18("10","3","2","3","1","7","1") = "9"
    & skf18("10","3","2","3","1","8","1") = "9"
    & skf18("10","3","2","3","1","9","1") = "9"
    & skf18("10","3","2","3","1","10","1") = "9"
    & skf18("10","3","2","3","2","1","1") = "9"
    & skf18("10","3","2","3","2","2","1") = "9"
    & skf18("10","3","2","3","2","3","1") = "9"
    & skf18("10","3","2","3","2","4","1") = "9"
    & skf18("10","3","2","3","2","5","1") = "9"
    & skf18("10","3","2","3","2","6","1") = "9"
    & skf18("10","3","2","3","2","7","1") = "9"
    & skf18("10","3","2","3","2","8","1") = "9"
    & skf18("10","3","2","3","2","9","1") = "9"
    & skf18("10","3","2","3","2","10","1") = "9"
    & skf18("10","3","2","3","3","1","1") = "9"
    & skf18("10","3","2","3","3","2","1") = "9"
    & skf18("10","3","2","3","3","3","1") = "9"
    & skf18("10","3","2","3","3","4","1") = "9"
    & skf18("10","3","2","3","3","5","1") = "9"
    & skf18("10","3","2","3","3","6","1") = "9"
    & skf18("10","3","2","3","3","7","1") = "9"
    & skf18("10","3","2","3","3","8","1") = "9"
    & skf18("10","3","2","3","3","9","1") = "9"
    & skf18("10","3","2","3","3","10","1") = "9"
    & skf18("10","3","2","3","4","1","1") = "9"
    & skf18("10","3","2","3","4","2","1") = "9"
    & skf18("10","3","2","3","4","3","1") = "9"
    & skf18("10","3","2","3","4","4","1") = "9"
    & skf18("10","3","2","3","4","5","1") = "9"
    & skf18("10","3","2","3","4","6","1") = "9"
    & skf18("10","3","2","3","4","7","1") = "9"
    & skf18("10","3","2","3","4","8","1") = "9"
    & skf18("10","3","2","3","4","9","1") = "9"
    & skf18("10","3","2","3","4","10","1") = "9"
    & skf18("10","3","2","3","5","1","1") = "9"
    & skf18("10","3","2","3","5","2","1") = "9"
    & skf18("10","3","2","3","5","3","1") = "9"
    & skf18("10","3","2","3","5","4","1") = "9"
    & skf18("10","3","2","3","5","5","1") = "9"
    & skf18("10","3","2","3","5","6","1") = "9"
    & skf18("10","3","2","3","5","7","1") = "9"
    & skf18("10","3","2","3","5","8","1") = "9"
    & skf18("10","3","2","3","5","9","1") = "9"
    & skf18("10","3","2","3","5","10","1") = "9"
    & skf18("10","3","2","3","6","1","1") = "9"
    & skf18("10","3","2","3","6","2","1") = "9"
    & skf18("10","3","2","3","6","3","1") = "9"
    & skf18("10","3","2","3","6","4","1") = "9"
    & skf18("10","3","2","3","6","5","1") = "9"
    & skf18("10","3","2","3","6","6","1") = "9"
    & skf18("10","3","2","3","6","7","1") = "9"
    & skf18("10","3","2","3","6","8","1") = "9"
    & skf18("10","3","2","3","6","9","1") = "9"
    & skf18("10","3","2","3","6","10","1") = "9"
    & skf18("10","3","2","3","7","1","1") = "9"
    & skf18("10","3","2","3","7","2","1") = "9"
    & skf18("10","3","2","3","7","3","1") = "9"
    & skf18("10","3","2","3","7","4","1") = "9"
    & skf18("10","3","2","3","7","5","1") = "9"
    & skf18("10","3","2","3","7","6","1") = "9"
    & skf18("10","3","2","3","7","7","1") = "9"
    & skf18("10","3","2","3","7","8","1") = "9"
    & skf18("10","3","2","3","7","9","1") = "9"
    & skf18("10","3","2","3","7","10","1") = "9"
    & skf18("10","3","2","3","8","1","1") = "9"
    & skf18("10","3","2","3","8","2","1") = "9"
    & skf18("10","3","2","3","8","3","1") = "9"
    & skf18("10","3","2","3","8","4","1") = "9"
    & skf18("10","3","2","3","8","5","1") = "9"
    & skf18("10","3","2","3","8","6","1") = "9"
    & skf18("10","3","2","3","8","7","1") = "9"
    & skf18("10","3","2","3","8","8","1") = "9"
    & skf18("10","3","2","3","8","9","1") = "9"
    & skf18("10","3","2","3","8","10","1") = "9"
    & skf18("10","3","2","3","9","1","1") = "9"
    & skf18("10","3","2","3","9","2","1") = "9"
    & skf18("10","3","2","3","9","3","1") = "9"
    & skf18("10","3","2","3","9","4","1") = "9"
    & skf18("10","3","2","3","9","5","1") = "9"
    & skf18("10","3","2","3","9","6","1") = "9"
    & skf18("10","3","2","3","9","7","1") = "9"
    & skf18("10","3","2","3","9","8","1") = "9"
    & skf18("10","3","2","3","9","9","1") = "9"
    & skf18("10","3","2","3","9","10","1") = "9"
    & skf18("10","3","2","3","10","1","1") = "9"
    & skf18("10","3","2","3","10","2","1") = "9"
    & skf18("10","3","2","3","10","3","1") = "9"
    & skf18("10","3","2","3","10","4","1") = "9"
    & skf18("10","3","2","3","10","5","1") = "9"
    & skf18("10","3","2","3","10","6","1") = "9"
    & skf18("10","3","2","3","10","7","1") = "9"
    & skf18("10","3","2","3","10","8","1") = "9"
    & skf18("10","3","2","3","10","9","1") = "9"
    & skf18("10","3","2","3","10","10","1") = "9"
    & skf18("10","3","2","4","1","1","1") = "9"
    & skf18("10","3","2","4","1","2","1") = "9"
    & skf18("10","3","2","4","1","3","1") = "9"
    & skf18("10","3","2","4","1","4","1") = "9"
    & skf18("10","3","2","4","1","5","1") = "9"
    & skf18("10","3","2","4","1","6","1") = "9"
    & skf18("10","3","2","4","1","7","1") = "9"
    & skf18("10","3","2","4","1","8","1") = "9"
    & skf18("10","3","2","4","1","9","1") = "9"
    & skf18("10","3","2","4","1","10","1") = "9"
    & skf18("10","3","2","4","2","1","1") = "9"
    & skf18("10","3","2","4","2","2","1") = "9"
    & skf18("10","3","2","4","2","3","1") = "9"
    & skf18("10","3","2","4","2","4","1") = "9"
    & skf18("10","3","2","4","2","5","1") = "9"
    & skf18("10","3","2","4","2","6","1") = "9"
    & skf18("10","3","2","4","2","7","1") = "9"
    & skf18("10","3","2","4","2","8","1") = "9"
    & skf18("10","3","2","4","2","9","1") = "9"
    & skf18("10","3","2","4","2","10","1") = "9"
    & skf18("10","3","2","4","3","1","1") = "9"
    & skf18("10","3","2","4","3","2","1") = "9"
    & skf18("10","3","2","4","3","3","1") = "9"
    & skf18("10","3","2","4","3","4","1") = "9"
    & skf18("10","3","2","4","3","5","1") = "9"
    & skf18("10","3","2","4","3","6","1") = "9"
    & skf18("10","3","2","4","3","7","1") = "9"
    & skf18("10","3","2","4","3","8","1") = "9"
    & skf18("10","3","2","4","3","9","1") = "9"
    & skf18("10","3","2","4","3","10","1") = "9"
    & skf18("10","3","2","4","4","1","1") = "9"
    & skf18("10","3","2","4","4","2","1") = "9"
    & skf18("10","3","2","4","4","3","1") = "9"
    & skf18("10","3","2","4","4","4","1") = "9"
    & skf18("10","3","2","4","4","5","1") = "9"
    & skf18("10","3","2","4","4","6","1") = "9"
    & skf18("10","3","2","4","4","7","1") = "9"
    & skf18("10","3","2","4","4","8","1") = "9"
    & skf18("10","3","2","4","4","9","1") = "9"
    & skf18("10","3","2","4","4","10","1") = "9"
    & skf18("10","3","2","4","5","1","1") = "9"
    & skf18("10","3","2","4","5","2","1") = "9"
    & skf18("10","3","2","4","5","3","1") = "9"
    & skf18("10","3","2","4","5","4","1") = "9"
    & skf18("10","3","2","4","5","5","1") = "9"
    & skf18("10","3","2","4","5","6","1") = "9"
    & skf18("10","3","2","4","5","7","1") = "9"
    & skf18("10","3","2","4","5","8","1") = "9"
    & skf18("10","3","2","4","5","9","1") = "9"
    & skf18("10","3","2","4","5","10","1") = "9"
    & skf18("10","3","2","4","6","1","1") = "9"
    & skf18("10","3","2","4","6","2","1") = "9"
    & skf18("10","3","2","4","6","3","1") = "9"
    & skf18("10","3","2","4","6","4","1") = "9"
    & skf18("10","3","2","4","6","5","1") = "9"
    & skf18("10","3","2","4","6","6","1") = "9"
    & skf18("10","3","2","4","6","7","1") = "9"
    & skf18("10","3","2","4","6","8","1") = "9"
    & skf18("10","3","2","4","6","9","1") = "9"
    & skf18("10","3","2","4","6","10","1") = "9"
    & skf18("10","3","2","4","7","1","1") = "9"
    & skf18("10","3","2","4","7","2","1") = "9"
    & skf18("10","3","2","4","7","3","1") = "9"
    & skf18("10","3","2","4","7","4","1") = "9"
    & skf18("10","3","2","4","7","5","1") = "9"
    & skf18("10","3","2","4","7","6","1") = "9"
    & skf18("10","3","2","4","7","7","1") = "9"
    & skf18("10","3","2","4","7","8","1") = "9"
    & skf18("10","3","2","4","7","9","1") = "9"
    & skf18("10","3","2","4","7","10","1") = "9"
    & skf18("10","3","2","4","8","1","1") = "9"
    & skf18("10","3","2","4","8","2","1") = "9"
    & skf18("10","3","2","4","8","3","1") = "9"
    & skf18("10","3","2","4","8","4","1") = "9"
    & skf18("10","3","2","4","8","5","1") = "9"
    & skf18("10","3","2","4","8","6","1") = "9"
    & skf18("10","3","2","4","8","7","1") = "9"
    & skf18("10","3","2","4","8","8","1") = "9"
    & skf18("10","3","2","4","8","9","1") = "9"
    & skf18("10","3","2","4","8","10","1") = "9"
    & skf18("10","3","2","4","9","1","1") = "9"
    & skf18("10","3","2","4","9","2","1") = "9"
    & skf18("10","3","2","4","9","3","1") = "9"
    & skf18("10","3","2","4","9","4","1") = "9"
    & skf18("10","3","2","4","9","5","1") = "9"
    & skf18("10","3","2","4","9","6","1") = "9"
    & skf18("10","3","2","4","9","7","1") = "9"
    & skf18("10","3","2","4","9","8","1") = "9"
    & skf18("10","3","2","4","9","9","1") = "9"
    & skf18("10","3","2","4","9","10","1") = "9"
    & skf18("10","3","2","4","10","1","1") = "9"
    & skf18("10","3","2","4","10","2","1") = "9"
    & skf18("10","3","2","4","10","3","1") = "9"
    & skf18("10","3","2","4","10","4","1") = "9"
    & skf18("10","3","2","4","10","5","1") = "9"
    & skf18("10","3","2","4","10","6","1") = "9"
    & skf18("10","3","2","4","10","7","1") = "9"
    & skf18("10","3","2","4","10","8","1") = "9"
    & skf18("10","3","2","4","10","9","1") = "9"
    & skf18("10","3","2","4","10","10","1") = "9"
    & skf18("10","3","2","5","1","1","1") = "9"
    & skf18("10","3","2","5","1","2","1") = "9"
    & skf18("10","3","2","5","1","3","1") = "9"
    & skf18("10","3","2","5","1","4","1") = "9"
    & skf18("10","3","2","5","1","5","1") = "9"
    & skf18("10","3","2","5","1","6","1") = "9"
    & skf18("10","3","2","5","1","7","1") = "9"
    & skf18("10","3","2","5","1","8","1") = "9"
    & skf18("10","3","2","5","1","9","1") = "9"
    & skf18("10","3","2","5","1","10","1") = "9"
    & skf18("10","3","2","5","2","1","1") = "9"
    & skf18("10","3","2","5","2","2","1") = "9"
    & skf18("10","3","2","5","2","3","1") = "9"
    & skf18("10","3","2","5","2","4","1") = "9"
    & skf18("10","3","2","5","2","5","1") = "9"
    & skf18("10","3","2","5","2","6","1") = "9"
    & skf18("10","3","2","5","2","7","1") = "9"
    & skf18("10","3","2","5","2","8","1") = "9"
    & skf18("10","3","2","5","2","9","1") = "9"
    & skf18("10","3","2","5","2","10","1") = "9"
    & skf18("10","3","2","5","3","1","1") = "9"
    & skf18("10","3","2","5","3","2","1") = "9"
    & skf18("10","3","2","5","3","3","1") = "9"
    & skf18("10","3","2","5","3","4","1") = "9"
    & skf18("10","3","2","5","3","5","1") = "9"
    & skf18("10","3","2","5","3","6","1") = "9"
    & skf18("10","3","2","5","3","7","1") = "9"
    & skf18("10","3","2","5","3","8","1") = "9"
    & skf18("10","3","2","5","3","9","1") = "9"
    & skf18("10","3","2","5","3","10","1") = "9"
    & skf18("10","3","2","5","4","1","1") = "9"
    & skf18("10","3","2","5","4","2","1") = "9"
    & skf18("10","3","2","5","4","3","1") = "9"
    & skf18("10","3","2","5","4","4","1") = "9"
    & skf18("10","3","2","5","4","5","1") = "9"
    & skf18("10","3","2","5","4","6","1") = "9"
    & skf18("10","3","2","5","4","7","1") = "9"
    & skf18("10","3","2","5","4","8","1") = "9"
    & skf18("10","3","2","5","4","9","1") = "9"
    & skf18("10","3","2","5","4","10","1") = "9"
    & skf18("10","3","2","5","5","1","1") = "9"
    & skf18("10","3","2","5","5","2","1") = "9"
    & skf18("10","3","2","5","5","3","1") = "9"
    & skf18("10","3","2","5","5","4","1") = "9"
    & skf18("10","3","2","5","5","5","1") = "9"
    & skf18("10","3","2","5","5","6","1") = "9"
    & skf18("10","3","2","5","5","7","1") = "9"
    & skf18("10","3","2","5","5","8","1") = "9"
    & skf18("10","3","2","5","5","9","1") = "9"
    & skf18("10","3","2","5","5","10","1") = "9"
    & skf18("10","3","2","5","6","1","1") = "9"
    & skf18("10","3","2","5","6","2","1") = "9"
    & skf18("10","3","2","5","6","3","1") = "9"
    & skf18("10","3","2","5","6","4","1") = "9"
    & skf18("10","3","2","5","6","5","1") = "9"
    & skf18("10","3","2","5","6","6","1") = "9"
    & skf18("10","3","2","5","6","7","1") = "9"
    & skf18("10","3","2","5","6","8","1") = "9"
    & skf18("10","3","2","5","6","9","1") = "9"
    & skf18("10","3","2","5","6","10","1") = "9"
    & skf18("10","3","2","5","7","1","1") = "9"
    & skf18("10","3","2","5","7","2","1") = "9"
    & skf18("10","3","2","5","7","3","1") = "9"
    & skf18("10","3","2","5","7","4","1") = "9"
    & skf18("10","3","2","5","7","5","1") = "9"
    & skf18("10","3","2","5","7","6","1") = "9"
    & skf18("10","3","2","5","7","7","1") = "9"
    & skf18("10","3","2","5","7","8","1") = "9"
    & skf18("10","3","2","5","7","9","1") = "9"
    & skf18("10","3","2","5","7","10","1") = "9"
    & skf18("10","3","2","5","8","1","1") = "9"
    & skf18("10","3","2","5","8","2","1") = "9"
    & skf18("10","3","2","5","8","3","1") = "9"
    & skf18("10","3","2","5","8","4","1") = "9"
    & skf18("10","3","2","5","8","5","1") = "9"
    & skf18("10","3","2","5","8","6","1") = "9"
    & skf18("10","3","2","5","8","7","1") = "9"
    & skf18("10","3","2","5","8","8","1") = "9"
    & skf18("10","3","2","5","8","9","1") = "9"
    & skf18("10","3","2","5","8","10","1") = "9"
    & skf18("10","3","2","5","9","1","1") = "9"
    & skf18("10","3","2","5","9","2","1") = "9"
    & skf18("10","3","2","5","9","3","1") = "9"
    & skf18("10","3","2","5","9","4","1") = "9"
    & skf18("10","3","2","5","9","5","1") = "9"
    & skf18("10","3","2","5","9","6","1") = "9"
    & skf18("10","3","2","5","9","7","1") = "9"
    & skf18("10","3","2","5","9","8","1") = "9"
    & skf18("10","3","2","5","9","9","1") = "9"
    & skf18("10","3","2","5","9","10","1") = "9"
    & skf18("10","3","2","5","10","1","1") = "9"
    & skf18("10","3","2","5","10","2","1") = "9"
    & skf18("10","3","2","5","10","3","1") = "9"
    & skf18("10","3","2","5","10","4","1") = "9"
    & skf18("10","3","2","5","10","5","1") = "9"
    & skf18("10","3","2","5","10","6","1") = "9"
    & skf18("10","3","2","5","10","7","1") = "9"
    & skf18("10","3","2","5","10","8","1") = "9"
    & skf18("10","3","2","5","10","9","1") = "9"
    & skf18("10","3","2","5","10","10","1") = "9"
    & skf18("10","3","2","6","1","1","1") = "9"
    & skf18("10","3","2","6","1","2","1") = "9"
    & skf18("10","3","2","6","1","3","1") = "9"
    & skf18("10","3","2","6","1","4","1") = "9"
    & skf18("10","3","2","6","1","5","1") = "9"
    & skf18("10","3","2","6","1","6","1") = "9"
    & skf18("10","3","2","6","1","7","1") = "9"
    & skf18("10","3","2","6","1","8","1") = "9"
    & skf18("10","3","2","6","1","9","1") = "9"
    & skf18("10","3","2","6","1","10","1") = "9"
    & skf18("10","3","2","6","2","1","1") = "9"
    & skf18("10","3","2","6","2","2","1") = "9"
    & skf18("10","3","2","6","2","3","1") = "9"
    & skf18("10","3","2","6","2","4","1") = "9"
    & skf18("10","3","2","6","2","5","1") = "9"
    & skf18("10","3","2","6","2","6","1") = "9"
    & skf18("10","3","2","6","2","7","1") = "9"
    & skf18("10","3","2","6","2","8","1") = "9"
    & skf18("10","3","2","6","2","9","1") = "9"
    & skf18("10","3","2","6","2","10","1") = "9"
    & skf18("10","3","2","6","3","1","1") = "9"
    & skf18("10","3","2","6","3","2","1") = "9"
    & skf18("10","3","2","6","3","3","1") = "9"
    & skf18("10","3","2","6","3","4","1") = "9"
    & skf18("10","3","2","6","3","5","1") = "9"
    & skf18("10","3","2","6","3","6","1") = "9"
    & skf18("10","3","2","6","3","7","1") = "9"
    & skf18("10","3","2","6","3","8","1") = "9"
    & skf18("10","3","2","6","3","9","1") = "9"
    & skf18("10","3","2","6","3","10","1") = "9"
    & skf18("10","3","2","6","4","1","1") = "9"
    & skf18("10","3","2","6","4","2","1") = "9"
    & skf18("10","3","2","6","4","3","1") = "9"
    & skf18("10","3","2","6","4","4","1") = "9"
    & skf18("10","3","2","6","4","5","1") = "9"
    & skf18("10","3","2","6","4","6","1") = "9"
    & skf18("10","3","2","6","4","7","1") = "9"
    & skf18("10","3","2","6","4","8","1") = "9"
    & skf18("10","3","2","6","4","9","1") = "9"
    & skf18("10","3","2","6","4","10","1") = "9"
    & skf18("10","3","2","6","5","1","1") = "9"
    & skf18("10","3","2","6","5","2","1") = "9"
    & skf18("10","3","2","6","5","3","1") = "9"
    & skf18("10","3","2","6","5","4","1") = "9"
    & skf18("10","3","2","6","5","5","1") = "9"
    & skf18("10","3","2","6","5","6","1") = "9"
    & skf18("10","3","2","6","5","7","1") = "9"
    & skf18("10","3","2","6","5","8","1") = "9"
    & skf18("10","3","2","6","5","9","1") = "9"
    & skf18("10","3","2","6","5","10","1") = "9"
    & skf18("10","3","2","6","6","1","1") = "9"
    & skf18("10","3","2","6","6","2","1") = "9"
    & skf18("10","3","2","6","6","3","1") = "9"
    & skf18("10","3","2","6","6","4","1") = "9"
    & skf18("10","3","2","6","6","5","1") = "9"
    & skf18("10","3","2","6","6","6","1") = "9"
    & skf18("10","3","2","6","6","7","1") = "9"
    & skf18("10","3","2","6","6","8","1") = "9"
    & skf18("10","3","2","6","6","9","1") = "9"
    & skf18("10","3","2","6","6","10","1") = "9"
    & skf18("10","3","2","6","7","1","1") = "9"
    & skf18("10","3","2","6","7","2","1") = "9"
    & skf18("10","3","2","6","7","3","1") = "9"
    & skf18("10","3","2","6","7","4","1") = "9"
    & skf18("10","3","2","6","7","5","1") = "9"
    & skf18("10","3","2","6","7","6","1") = "9"
    & skf18("10","3","2","6","7","7","1") = "9"
    & skf18("10","3","2","6","7","8","1") = "9"
    & skf18("10","3","2","6","7","9","1") = "9"
    & skf18("10","3","2","6","7","10","1") = "9"
    & skf18("10","3","2","6","8","1","1") = "9"
    & skf18("10","3","2","6","8","2","1") = "9"
    & skf18("10","3","2","6","8","3","1") = "9"
    & skf18("10","3","2","6","8","4","1") = "9"
    & skf18("10","3","2","6","8","5","1") = "9"
    & skf18("10","3","2","6","8","6","1") = "9"
    & skf18("10","3","2","6","8","7","1") = "9"
    & skf18("10","3","2","6","8","8","1") = "9"
    & skf18("10","3","2","6","8","9","1") = "9"
    & skf18("10","3","2","6","8","10","1") = "9"
    & skf18("10","3","2","6","9","1","1") = "9"
    & skf18("10","3","2","6","9","2","1") = "9"
    & skf18("10","3","2","6","9","3","1") = "9"
    & skf18("10","3","2","6","9","4","1") = "9"
    & skf18("10","3","2","6","9","5","1") = "9"
    & skf18("10","3","2","6","9","6","1") = "9"
    & skf18("10","3","2","6","9","7","1") = "9"
    & skf18("10","3","2","6","9","8","1") = "9"
    & skf18("10","3","2","6","9","9","1") = "9"
    & skf18("10","3","2","6","9","10","1") = "9"
    & skf18("10","3","2","6","10","1","1") = "9"
    & skf18("10","3","2","6","10","2","1") = "9"
    & skf18("10","3","2","6","10","3","1") = "9"
    & skf18("10","3","2","6","10","4","1") = "9"
    & skf18("10","3","2","6","10","5","1") = "9"
    & skf18("10","3","2","6","10","6","1") = "9"
    & skf18("10","3","2","6","10","7","1") = "9"
    & skf18("10","3","2","6","10","8","1") = "9"
    & skf18("10","3","2","6","10","9","1") = "9"
    & skf18("10","3","2","6","10","10","1") = "9"
    & skf18("10","3","2","7","1","1","1") = "9"
    & skf18("10","3","2","7","1","2","1") = "9"
    & skf18("10","3","2","7","1","3","1") = "9"
    & skf18("10","3","2","7","1","4","1") = "9"
    & skf18("10","3","2","7","1","5","1") = "9"
    & skf18("10","3","2","7","1","6","1") = "9"
    & skf18("10","3","2","7","1","7","1") = "9"
    & skf18("10","3","2","7","1","8","1") = "9"
    & skf18("10","3","2","7","1","9","1") = "9"
    & skf18("10","3","2","7","1","10","1") = "9"
    & skf18("10","3","2","7","2","1","1") = "9"
    & skf18("10","3","2","7","2","2","1") = "9"
    & skf18("10","3","2","7","2","3","1") = "9"
    & skf18("10","3","2","7","2","4","1") = "9"
    & skf18("10","3","2","7","2","5","1") = "9"
    & skf18("10","3","2","7","2","6","1") = "9"
    & skf18("10","3","2","7","2","7","1") = "9"
    & skf18("10","3","2","7","2","8","1") = "9"
    & skf18("10","3","2","7","2","9","1") = "9"
    & skf18("10","3","2","7","2","10","1") = "9"
    & skf18("10","3","2","7","3","1","1") = "9"
    & skf18("10","3","2","7","3","2","1") = "9"
    & skf18("10","3","2","7","3","3","1") = "9"
    & skf18("10","3","2","7","3","4","1") = "9"
    & skf18("10","3","2","7","3","5","1") = "9"
    & skf18("10","3","2","7","3","6","1") = "9"
    & skf18("10","3","2","7","3","7","1") = "9"
    & skf18("10","3","2","7","3","8","1") = "9"
    & skf18("10","3","2","7","3","9","1") = "9"
    & skf18("10","3","2","7","3","10","1") = "9"
    & skf18("10","3","2","7","4","1","1") = "9"
    & skf18("10","3","2","7","4","2","1") = "9"
    & skf18("10","3","2","7","4","3","1") = "9"
    & skf18("10","3","2","7","4","4","1") = "9"
    & skf18("10","3","2","7","4","5","1") = "9"
    & skf18("10","3","2","7","4","6","1") = "9"
    & skf18("10","3","2","7","4","7","1") = "9"
    & skf18("10","3","2","7","4","8","1") = "9"
    & skf18("10","3","2","7","4","9","1") = "9"
    & skf18("10","3","2","7","4","10","1") = "9"
    & skf18("10","3","2","7","5","1","1") = "9"
    & skf18("10","3","2","7","5","2","1") = "9"
    & skf18("10","3","2","7","5","3","1") = "9"
    & skf18("10","3","2","7","5","4","1") = "9"
    & skf18("10","3","2","7","5","5","1") = "9"
    & skf18("10","3","2","7","5","6","1") = "9"
    & skf18("10","3","2","7","5","7","1") = "9"
    & skf18("10","3","2","7","5","8","1") = "9"
    & skf18("10","3","2","7","5","9","1") = "9"
    & skf18("10","3","2","7","5","10","1") = "9"
    & skf18("10","3","2","7","6","1","1") = "9"
    & skf18("10","3","2","7","6","2","1") = "9"
    & skf18("10","3","2","7","6","3","1") = "9"
    & skf18("10","3","2","7","6","4","1") = "9"
    & skf18("10","3","2","7","6","5","1") = "9"
    & skf18("10","3","2","7","6","6","1") = "9"
    & skf18("10","3","2","7","6","7","1") = "9"
    & skf18("10","3","2","7","6","8","1") = "9"
    & skf18("10","3","2","7","6","9","1") = "9"
    & skf18("10","3","2","7","6","10","1") = "9"
    & skf18("10","3","2","7","7","1","1") = "9"
    & skf18("10","3","2","7","7","2","1") = "9"
    & skf18("10","3","2","7","7","3","1") = "9"
    & skf18("10","3","2","7","7","4","1") = "9"
    & skf18("10","3","2","7","7","5","1") = "9"
    & skf18("10","3","2","7","7","6","1") = "9"
    & skf18("10","3","2","7","7","7","1") = "9"
    & skf18("10","3","2","7","7","8","1") = "9"
    & skf18("10","3","2","7","7","9","1") = "9"
    & skf18("10","3","2","7","7","10","1") = "9"
    & skf18("10","3","2","7","8","1","1") = "9"
    & skf18("10","3","2","7","8","2","1") = "9"
    & skf18("10","3","2","7","8","3","1") = "9"
    & skf18("10","3","2","7","8","4","1") = "9"
    & skf18("10","3","2","7","8","5","1") = "9"
    & skf18("10","3","2","7","8","6","1") = "9"
    & skf18("10","3","2","7","8","7","1") = "9"
    & skf18("10","3","2","7","8","8","1") = "9"
    & skf18("10","3","2","7","8","9","1") = "9"
    & skf18("10","3","2","7","8","10","1") = "9"
    & skf18("10","3","2","7","9","1","1") = "9"
    & skf18("10","3","2","7","9","2","1") = "9"
    & skf18("10","3","2","7","9","3","1") = "9"
    & skf18("10","3","2","7","9","4","1") = "9"
    & skf18("10","3","2","7","9","5","1") = "9"
    & skf18("10","3","2","7","9","6","1") = "9"
    & skf18("10","3","2","7","9","7","1") = "9"
    & skf18("10","3","2","7","9","8","1") = "9"
    & skf18("10","3","2","7","9","9","1") = "9"
    & skf18("10","3","2","7","9","10","1") = "9"
    & skf18("10","3","2","7","10","1","1") = "9"
    & skf18("10","3","2","7","10","2","1") = "9"
    & skf18("10","3","2","7","10","3","1") = "9"
    & skf18("10","3","2","7","10","4","1") = "9"
    & skf18("10","3","2","7","10","5","1") = "9"
    & skf18("10","3","2","7","10","6","1") = "9"
    & skf18("10","3","2","7","10","7","1") = "9"
    & skf18("10","3","2","7","10","8","1") = "9"
    & skf18("10","3","2","7","10","9","1") = "9"
    & skf18("10","3","2","7","10","10","1") = "9"
    & skf18("10","3","2","8","1","1","1") = "9"
    & skf18("10","3","2","8","1","2","1") = "9"
    & skf18("10","3","2","8","1","3","1") = "9"
    & skf18("10","3","2","8","1","4","1") = "9"
    & skf18("10","3","2","8","1","5","1") = "9"
    & skf18("10","3","2","8","1","6","1") = "9"
    & skf18("10","3","2","8","1","7","1") = "9"
    & skf18("10","3","2","8","1","8","1") = "9"
    & skf18("10","3","2","8","1","9","1") = "9"
    & skf18("10","3","2","8","1","10","1") = "9"
    & skf18("10","3","2","8","2","1","1") = "9"
    & skf18("10","3","2","8","2","2","1") = "9"
    & skf18("10","3","2","8","2","3","1") = "9"
    & skf18("10","3","2","8","2","4","1") = "9"
    & skf18("10","3","2","8","2","5","1") = "9"
    & skf18("10","3","2","8","2","6","1") = "9"
    & skf18("10","3","2","8","2","7","1") = "9"
    & skf18("10","3","2","8","2","8","1") = "9"
    & skf18("10","3","2","8","2","9","1") = "9"
    & skf18("10","3","2","8","2","10","1") = "9"
    & skf18("10","3","2","8","3","1","1") = "9"
    & skf18("10","3","2","8","3","2","1") = "9"
    & skf18("10","3","2","8","3","3","1") = "9"
    & skf18("10","3","2","8","3","4","1") = "9"
    & skf18("10","3","2","8","3","5","1") = "9"
    & skf18("10","3","2","8","3","6","1") = "9"
    & skf18("10","3","2","8","3","7","1") = "9"
    & skf18("10","3","2","8","3","8","1") = "9"
    & skf18("10","3","2","8","3","9","1") = "9"
    & skf18("10","3","2","8","3","10","1") = "9"
    & skf18("10","3","2","8","4","1","1") = "9"
    & skf18("10","3","2","8","4","2","1") = "9"
    & skf18("10","3","2","8","4","3","1") = "9"
    & skf18("10","3","2","8","4","4","1") = "9"
    & skf18("10","3","2","8","4","5","1") = "9"
    & skf18("10","3","2","8","4","6","1") = "9"
    & skf18("10","3","2","8","4","7","1") = "9"
    & skf18("10","3","2","8","4","8","1") = "9"
    & skf18("10","3","2","8","4","9","1") = "9"
    & skf18("10","3","2","8","4","10","1") = "9"
    & skf18("10","3","2","8","5","1","1") = "9"
    & skf18("10","3","2","8","5","2","1") = "9"
    & skf18("10","3","2","8","5","3","1") = "9"
    & skf18("10","3","2","8","5","4","1") = "9"
    & skf18("10","3","2","8","5","5","1") = "9"
    & skf18("10","3","2","8","5","6","1") = "9"
    & skf18("10","3","2","8","5","7","1") = "9"
    & skf18("10","3","2","8","5","8","1") = "9"
    & skf18("10","3","2","8","5","9","1") = "9"
    & skf18("10","3","2","8","5","10","1") = "9"
    & skf18("10","3","2","8","6","1","1") = "9"
    & skf18("10","3","2","8","6","2","1") = "9"
    & skf18("10","3","2","8","6","3","1") = "9"
    & skf18("10","3","2","8","6","4","1") = "9"
    & skf18("10","3","2","8","6","5","1") = "9"
    & skf18("10","3","2","8","6","6","1") = "9"
    & skf18("10","3","2","8","6","7","1") = "9"
    & skf18("10","3","2","8","6","8","1") = "9"
    & skf18("10","3","2","8","6","9","1") = "9"
    & skf18("10","3","2","8","6","10","1") = "9"
    & skf18("10","3","2","8","7","1","1") = "9"
    & skf18("10","3","2","8","7","2","1") = "9"
    & skf18("10","3","2","8","7","3","1") = "9"
    & skf18("10","3","2","8","7","4","1") = "9"
    & skf18("10","3","2","8","7","5","1") = "9"
    & skf18("10","3","2","8","7","6","1") = "9"
    & skf18("10","3","2","8","7","7","1") = "9"
    & skf18("10","3","2","8","7","8","1") = "9"
    & skf18("10","3","2","8","7","9","1") = "9"
    & skf18("10","3","2","8","7","10","1") = "9"
    & skf18("10","3","2","8","8","1","1") = "9"
    & skf18("10","3","2","8","8","2","1") = "9"
    & skf18("10","3","2","8","8","3","1") = "9"
    & skf18("10","3","2","8","8","4","1") = "9"
    & skf18("10","3","2","8","8","5","1") = "9"
    & skf18("10","3","2","8","8","6","1") = "9"
    & skf18("10","3","2","8","8","7","1") = "9"
    & skf18("10","3","2","8","8","8","1") = "9"
    & skf18("10","3","2","8","8","9","1") = "9"
    & skf18("10","3","2","8","8","10","1") = "9"
    & skf18("10","3","2","8","9","1","1") = "9"
    & skf18("10","3","2","8","9","2","1") = "9"
    & skf18("10","3","2","8","9","3","1") = "9"
    & skf18("10","3","2","8","9","4","1") = "9"
    & skf18("10","3","2","8","9","5","1") = "9"
    & skf18("10","3","2","8","9","6","1") = "9"
    & skf18("10","3","2","8","9","7","1") = "9"
    & skf18("10","3","2","8","9","8","1") = "9"
    & skf18("10","3","2","8","9","9","1") = "9"
    & skf18("10","3","2","8","9","10","1") = "9"
    & skf18("10","3","2","8","10","1","1") = "9"
    & skf18("10","3","2","8","10","2","1") = "9"
    & skf18("10","3","2","8","10","3","1") = "9"
    & skf18("10","3","2","8","10","4","1") = "9"
    & skf18("10","3","2","8","10","5","1") = "9"
    & skf18("10","3","2","8","10","6","1") = "9"
    & skf18("10","3","2","8","10","7","1") = "9"
    & skf18("10","3","2","8","10","8","1") = "9"
    & skf18("10","3","2","8","10","9","1") = "9"
    & skf18("10","3","2","8","10","10","1") = "9"
    & skf18("10","3","2","9","1","1","1") = "9"
    & skf18("10","3","2","9","1","2","1") = "9"
    & skf18("10","3","2","9","1","3","1") = "9"
    & skf18("10","3","2","9","1","4","1") = "9"
    & skf18("10","3","2","9","1","5","1") = "9"
    & skf18("10","3","2","9","1","6","1") = "9"
    & skf18("10","3","2","9","1","7","1") = "9"
    & skf18("10","3","2","9","1","8","1") = "9"
    & skf18("10","3","2","9","1","9","1") = "9"
    & skf18("10","3","2","9","1","10","1") = "9"
    & skf18("10","3","2","9","2","1","1") = "9"
    & skf18("10","3","2","9","2","2","1") = "9"
    & skf18("10","3","2","9","2","3","1") = "9"
    & skf18("10","3","2","9","2","4","1") = "9"
    & skf18("10","3","2","9","2","5","1") = "9"
    & skf18("10","3","2","9","2","6","1") = "9"
    & skf18("10","3","2","9","2","7","1") = "9"
    & skf18("10","3","2","9","2","8","1") = "9"
    & skf18("10","3","2","9","2","9","1") = "9"
    & skf18("10","3","2","9","2","10","1") = "9"
    & skf18("10","3","2","9","3","1","1") = "9"
    & skf18("10","3","2","9","3","2","1") = "9"
    & skf18("10","3","2","9","3","3","1") = "9"
    & skf18("10","3","2","9","3","4","1") = "9"
    & skf18("10","3","2","9","3","5","1") = "9"
    & skf18("10","3","2","9","3","6","1") = "9"
    & skf18("10","3","2","9","3","7","1") = "9"
    & skf18("10","3","2","9","3","8","1") = "9"
    & skf18("10","3","2","9","3","9","1") = "9"
    & skf18("10","3","2","9","3","10","1") = "9"
    & skf18("10","3","2","9","4","1","1") = "9"
    & skf18("10","3","2","9","4","2","1") = "9"
    & skf18("10","3","2","9","4","3","1") = "9"
    & skf18("10","3","2","9","4","4","1") = "9"
    & skf18("10","3","2","9","4","5","1") = "9"
    & skf18("10","3","2","9","4","6","1") = "9"
    & skf18("10","3","2","9","4","7","1") = "9"
    & skf18("10","3","2","9","4","8","1") = "9"
    & skf18("10","3","2","9","4","9","1") = "9"
    & skf18("10","3","2","9","4","10","1") = "9"
    & skf18("10","3","2","9","5","1","1") = "9"
    & skf18("10","3","2","9","5","2","1") = "9"
    & skf18("10","3","2","9","5","3","1") = "9"
    & skf18("10","3","2","9","5","4","1") = "9"
    & skf18("10","3","2","9","5","5","1") = "9"
    & skf18("10","3","2","9","5","6","1") = "9"
    & skf18("10","3","2","9","5","7","1") = "9"
    & skf18("10","3","2","9","5","8","1") = "9"
    & skf18("10","3","2","9","5","9","1") = "9"
    & skf18("10","3","2","9","5","10","1") = "9"
    & skf18("10","3","2","9","6","1","1") = "9"
    & skf18("10","3","2","9","6","2","1") = "9"
    & skf18("10","3","2","9","6","3","1") = "9"
    & skf18("10","3","2","9","6","4","1") = "9"
    & skf18("10","3","2","9","6","5","1") = "9"
    & skf18("10","3","2","9","6","6","1") = "9"
    & skf18("10","3","2","9","6","7","1") = "9"
    & skf18("10","3","2","9","6","8","1") = "9"
    & skf18("10","3","2","9","6","9","1") = "9"
    & skf18("10","3","2","9","6","10","1") = "9"
    & skf18("10","3","2","9","7","1","1") = "9"
    & skf18("10","3","2","9","7","2","1") = "9"
    & skf18("10","3","2","9","7","3","1") = "9"
    & skf18("10","3","2","9","7","4","1") = "9"
    & skf18("10","3","2","9","7","5","1") = "9"
    & skf18("10","3","2","9","7","6","1") = "9"
    & skf18("10","3","2","9","7","7","1") = "9"
    & skf18("10","3","2","9","7","8","1") = "9"
    & skf18("10","3","2","9","7","9","1") = "9"
    & skf18("10","3","2","9","7","10","1") = "9"
    & skf18("10","3","2","9","8","1","1") = "9"
    & skf18("10","3","2","9","8","2","1") = "9"
    & skf18("10","3","2","9","8","3","1") = "9"
    & skf18("10","3","2","9","8","4","1") = "9"
    & skf18("10","3","2","9","8","5","1") = "9"
    & skf18("10","3","2","9","8","6","1") = "9"
    & skf18("10","3","2","9","8","7","1") = "9"
    & skf18("10","3","2","9","8","8","1") = "9"
    & skf18("10","3","2","9","8","9","1") = "9"
    & skf18("10","3","2","9","8","10","1") = "9"
    & skf18("10","3","2","9","9","1","1") = "9"
    & skf18("10","3","2","9","9","2","1") = "9"
    & skf18("10","3","2","9","9","3","1") = "9"
    & skf18("10","3","2","9","9","4","1") = "9"
    & skf18("10","3","2","9","9","5","1") = "9"
    & skf18("10","3","2","9","9","6","1") = "9"
    & skf18("10","3","2","9","9","7","1") = "9"
    & skf18("10","3","2","9","9","8","1") = "9"
    & skf18("10","3","2","9","9","9","1") = "9"
    & skf18("10","3","2","9","9","10","1") = "9"
    & skf18("10","3","2","9","10","1","1") = "9"
    & skf18("10","3","2","9","10","2","1") = "9"
    & skf18("10","3","2","9","10","3","1") = "9"
    & skf18("10","3","2","9","10","4","1") = "9"
    & skf18("10","3","2","9","10","5","1") = "9"
    & skf18("10","3","2","9","10","6","1") = "9"
    & skf18("10","3","2","9","10","7","1") = "9"
    & skf18("10","3","2","9","10","8","1") = "9"
    & skf18("10","3","2","9","10","9","1") = "9"
    & skf18("10","3","2","9","10","10","1") = "9"
    & skf18("10","3","2","10","1","1","1") = "9"
    & skf18("10","3","2","10","1","2","1") = "9"
    & skf18("10","3","2","10","1","3","1") = "9"
    & skf18("10","3","2","10","1","4","1") = "9"
    & skf18("10","3","2","10","1","5","1") = "9"
    & skf18("10","3","2","10","1","6","1") = "9"
    & skf18("10","3","2","10","1","7","1") = "9"
    & skf18("10","3","2","10","1","8","1") = "9"
    & skf18("10","3","2","10","1","9","1") = "9"
    & skf18("10","3","2","10","1","10","1") = "9"
    & skf18("10","3","2","10","2","1","1") = "9"
    & skf18("10","3","2","10","2","2","1") = "9"
    & skf18("10","3","2","10","2","3","1") = "9"
    & skf18("10","3","2","10","2","4","1") = "9"
    & skf18("10","3","2","10","2","5","1") = "9"
    & skf18("10","3","2","10","2","6","1") = "9"
    & skf18("10","3","2","10","2","7","1") = "9"
    & skf18("10","3","2","10","2","8","1") = "9"
    & skf18("10","3","2","10","2","9","1") = "9"
    & skf18("10","3","2","10","2","10","1") = "9"
    & skf18("10","3","2","10","3","1","1") = "9"
    & skf18("10","3","2","10","3","2","1") = "9"
    & skf18("10","3","2","10","3","3","1") = "9"
    & skf18("10","3","2","10","3","4","1") = "9"
    & skf18("10","3","2","10","3","5","1") = "9"
    & skf18("10","3","2","10","3","6","1") = "9"
    & skf18("10","3","2","10","3","7","1") = "9"
    & skf18("10","3","2","10","3","8","1") = "9"
    & skf18("10","3","2","10","3","9","1") = "9"
    & skf18("10","3","2","10","3","10","1") = "9"
    & skf18("10","3","2","10","4","1","1") = "9"
    & skf18("10","3","2","10","4","2","1") = "9"
    & skf18("10","3","2","10","4","3","1") = "9"
    & skf18("10","3","2","10","4","4","1") = "9"
    & skf18("10","3","2","10","4","5","1") = "9"
    & skf18("10","3","2","10","4","6","1") = "9"
    & skf18("10","3","2","10","4","7","1") = "9"
    & skf18("10","3","2","10","4","8","1") = "9"
    & skf18("10","3","2","10","4","9","1") = "9"
    & skf18("10","3","2","10","4","10","1") = "9"
    & skf18("10","3","2","10","5","1","1") = "9"
    & skf18("10","3","2","10","5","2","1") = "9"
    & skf18("10","3","2","10","5","3","1") = "9"
    & skf18("10","3","2","10","5","4","1") = "9"
    & skf18("10","3","2","10","5","5","1") = "9"
    & skf18("10","3","2","10","5","6","1") = "9"
    & skf18("10","3","2","10","5","7","1") = "9"
    & skf18("10","3","2","10","5","8","1") = "9"
    & skf18("10","3","2","10","5","9","1") = "9"
    & skf18("10","3","2","10","5","10","1") = "9"
    & skf18("10","3","2","10","6","1","1") = "9"
    & skf18("10","3","2","10","6","2","1") = "9"
    & skf18("10","3","2","10","6","3","1") = "9"
    & skf18("10","3","2","10","6","4","1") = "9"
    & skf18("10","3","2","10","6","5","1") = "9"
    & skf18("10","3","2","10","6","6","1") = "9"
    & skf18("10","3","2","10","6","7","1") = "9"
    & skf18("10","3","2","10","6","8","1") = "9"
    & skf18("10","3","2","10","6","9","1") = "9"
    & skf18("10","3","2","10","6","10","1") = "9"
    & skf18("10","3","2","10","7","1","1") = "9"
    & skf18("10","3","2","10","7","2","1") = "9"
    & skf18("10","3","2","10","7","3","1") = "9"
    & skf18("10","3","2","10","7","4","1") = "9"
    & skf18("10","3","2","10","7","5","1") = "9"
    & skf18("10","3","2","10","7","6","1") = "9"
    & skf18("10","3","2","10","7","7","1") = "9"
    & skf18("10","3","2","10","7","8","1") = "9"
    & skf18("10","3","2","10","7","9","1") = "9"
    & skf18("10","3","2","10","7","10","1") = "9"
    & skf18("10","3","2","10","8","1","1") = "9"
    & skf18("10","3","2","10","8","2","1") = "9"
    & skf18("10","3","2","10","8","3","1") = "9"
    & skf18("10","3","2","10","8","4","1") = "9"
    & skf18("10","3","2","10","8","5","1") = "9"
    & skf18("10","3","2","10","8","6","1") = "9"
    & skf18("10","3","2","10","8","7","1") = "9"
    & skf18("10","3","2","10","8","8","1") = "9"
    & skf18("10","3","2","10","8","9","1") = "9"
    & skf18("10","3","2","10","8","10","1") = "9"
    & skf18("10","3","2","10","9","1","1") = "9"
    & skf18("10","3","2","10","9","2","1") = "9"
    & skf18("10","3","2","10","9","3","1") = "9"
    & skf18("10","3","2","10","9","4","1") = "9"
    & skf18("10","3","2","10","9","5","1") = "9"
    & skf18("10","3","2","10","9","6","1") = "9"
    & skf18("10","3","2","10","9","7","1") = "9"
    & skf18("10","3","2","10","9","8","1") = "9"
    & skf18("10","3","2","10","9","9","1") = "9"
    & skf18("10","3","2","10","9","10","1") = "9"
    & skf18("10","3","2","10","10","1","1") = "9"
    & skf18("10","3","2","10","10","2","1") = "9"
    & skf18("10","3","2","10","10","3","1") = "9"
    & skf18("10","3","2","10","10","4","1") = "9"
    & skf18("10","3","2","10","10","5","1") = "9"
    & skf18("10","3","2","10","10","6","1") = "9"
    & skf18("10","3","2","10","10","7","1") = "9"
    & skf18("10","3","2","10","10","8","1") = "9"
    & skf18("10","3","2","10","10","9","1") = "9"
    & skf18("10","3","2","10","10","10","1") = "9"
    & skf18("10","3","3","1","1","1","1") = "9"
    & skf18("10","3","3","1","1","2","1") = "9"
    & skf18("10","3","3","1","1","3","1") = "9"
    & skf18("10","3","3","1","1","4","1") = "9"
    & skf18("10","3","3","1","1","5","1") = "9"
    & skf18("10","3","3","1","1","6","1") = "9"
    & skf18("10","3","3","1","1","7","1") = "9"
    & skf18("10","3","3","1","1","8","1") = "9"
    & skf18("10","3","3","1","1","9","1") = "9"
    & skf18("10","3","3","1","1","10","1") = "9"
    & skf18("10","3","3","1","2","1","1") = "9"
    & skf18("10","3","3","1","2","2","1") = "9"
    & skf18("10","3","3","1","2","3","1") = "9"
    & skf18("10","3","3","1","2","4","1") = "9"
    & skf18("10","3","3","1","2","5","1") = "9"
    & skf18("10","3","3","1","2","6","1") = "9"
    & skf18("10","3","3","1","2","7","1") = "9"
    & skf18("10","3","3","1","2","8","1") = "9"
    & skf18("10","3","3","1","2","9","1") = "9"
    & skf18("10","3","3","1","2","10","1") = "9"
    & skf18("10","3","3","1","3","1","1") = "9"
    & skf18("10","3","3","1","3","2","1") = "9"
    & skf18("10","3","3","1","3","3","1") = "9"
    & skf18("10","3","3","1","3","4","1") = "9"
    & skf18("10","3","3","1","3","5","1") = "9"
    & skf18("10","3","3","1","3","6","1") = "9"
    & skf18("10","3","3","1","3","7","1") = "9"
    & skf18("10","3","3","1","3","8","1") = "9"
    & skf18("10","3","3","1","3","9","1") = "9"
    & skf18("10","3","3","1","3","10","1") = "9"
    & skf18("10","3","3","1","4","1","1") = "9"
    & skf18("10","3","3","1","4","2","1") = "9"
    & skf18("10","3","3","1","4","3","1") = "9"
    & skf18("10","3","3","1","4","4","1") = "9"
    & skf18("10","3","3","1","4","5","1") = "9"
    & skf18("10","3","3","1","4","6","1") = "9"
    & skf18("10","3","3","1","4","7","1") = "9"
    & skf18("10","3","3","1","4","8","1") = "9"
    & skf18("10","3","3","1","4","9","1") = "9"
    & skf18("10","3","3","1","4","10","1") = "9"
    & skf18("10","3","3","1","5","1","1") = "9"
    & skf18("10","3","3","1","5","2","1") = "9"
    & skf18("10","3","3","1","5","3","1") = "9"
    & skf18("10","3","3","1","5","4","1") = "9"
    & skf18("10","3","3","1","5","5","1") = "9"
    & skf18("10","3","3","1","5","6","1") = "9"
    & skf18("10","3","3","1","5","7","1") = "9"
    & skf18("10","3","3","1","5","8","1") = "9"
    & skf18("10","3","3","1","5","9","1") = "9"
    & skf18("10","3","3","1","5","10","1") = "9"
    & skf18("10","3","3","1","6","1","1") = "9"
    & skf18("10","3","3","1","6","2","1") = "9"
    & skf18("10","3","3","1","6","3","1") = "9"
    & skf18("10","3","3","1","6","4","1") = "9"
    & skf18("10","3","3","1","6","5","1") = "9"
    & skf18("10","3","3","1","6","6","1") = "9"
    & skf18("10","3","3","1","6","7","1") = "9"
    & skf18("10","3","3","1","6","8","1") = "9"
    & skf18("10","3","3","1","6","9","1") = "9"
    & skf18("10","3","3","1","6","10","1") = "9"
    & skf18("10","3","3","1","7","1","1") = "9"
    & skf18("10","3","3","1","7","2","1") = "9"
    & skf18("10","3","3","1","7","3","1") = "9"
    & skf18("10","3","3","1","7","4","1") = "9"
    & skf18("10","3","3","1","7","5","1") = "9"
    & skf18("10","3","3","1","7","6","1") = "9"
    & skf18("10","3","3","1","7","7","1") = "9"
    & skf18("10","3","3","1","7","8","1") = "9"
    & skf18("10","3","3","1","7","9","1") = "9"
    & skf18("10","3","3","1","7","10","1") = "9"
    & skf18("10","3","3","1","8","1","1") = "9"
    & skf18("10","3","3","1","8","2","1") = "9"
    & skf18("10","3","3","1","8","3","1") = "9"
    & skf18("10","3","3","1","8","4","1") = "9"
    & skf18("10","3","3","1","8","5","1") = "9"
    & skf18("10","3","3","1","8","6","1") = "9"
    & skf18("10","3","3","1","8","7","1") = "9"
    & skf18("10","3","3","1","8","8","1") = "9"
    & skf18("10","3","3","1","8","9","1") = "9"
    & skf18("10","3","3","1","8","10","1") = "9"
    & skf18("10","3","3","1","9","1","1") = "9"
    & skf18("10","3","3","1","9","2","1") = "9"
    & skf18("10","3","3","1","9","3","1") = "9"
    & skf18("10","3","3","1","9","4","1") = "9"
    & skf18("10","3","3","1","9","5","1") = "9"
    & skf18("10","3","3","1","9","6","1") = "9"
    & skf18("10","3","3","1","9","7","1") = "9"
    & skf18("10","3","3","1","9","8","1") = "9"
    & skf18("10","3","3","1","9","9","1") = "9"
    & skf18("10","3","3","1","9","10","1") = "9"
    & skf18("10","3","3","1","10","1","1") = "9"
    & skf18("10","3","3","1","10","2","1") = "9"
    & skf18("10","3","3","1","10","3","1") = "9"
    & skf18("10","3","3","1","10","4","1") = "9"
    & skf18("10","3","3","1","10","5","1") = "9"
    & skf18("10","3","3","1","10","6","1") = "9"
    & skf18("10","3","3","1","10","7","1") = "9"
    & skf18("10","3","3","1","10","8","1") = "9"
    & skf18("10","3","3","1","10","9","1") = "9"
    & skf18("10","3","3","1","10","10","1") = "9"
    & skf18("10","3","3","2","1","1","1") = "9"
    & skf18("10","3","3","2","1","2","1") = "9"
    & skf18("10","3","3","2","1","3","1") = "9"
    & skf18("10","3","3","2","1","4","1") = "9"
    & skf18("10","3","3","2","1","5","1") = "9"
    & skf18("10","3","3","2","1","6","1") = "9"
    & skf18("10","3","3","2","1","7","1") = "9"
    & skf18("10","3","3","2","1","8","1") = "9"
    & skf18("10","3","3","2","1","9","1") = "9"
    & skf18("10","3","3","2","1","10","1") = "9"
    & skf18("10","3","3","2","2","1","1") = "9"
    & skf18("10","3","3","2","2","2","1") = "9"
    & skf18("10","3","3","2","2","3","1") = "9"
    & skf18("10","3","3","2","2","4","1") = "9"
    & skf18("10","3","3","2","2","5","1") = "9"
    & skf18("10","3","3","2","2","6","1") = "9"
    & skf18("10","3","3","2","2","7","1") = "9"
    & skf18("10","3","3","2","2","8","1") = "9"
    & skf18("10","3","3","2","2","9","1") = "9"
    & skf18("10","3","3","2","2","10","1") = "9"
    & skf18("10","3","3","2","3","1","1") = "9"
    & skf18("10","3","3","2","3","2","1") = "9"
    & skf18("10","3","3","2","3","3","1") = "9"
    & skf18("10","3","3","2","3","4","1") = "9"
    & skf18("10","3","3","2","3","5","1") = "9"
    & skf18("10","3","3","2","3","6","1") = "9"
    & skf18("10","3","3","2","3","7","1") = "9"
    & skf18("10","3","3","2","3","8","1") = "9"
    & skf18("10","3","3","2","3","9","1") = "9"
    & skf18("10","3","3","2","3","10","1") = "9"
    & skf18("10","3","3","2","4","1","1") = "9"
    & skf18("10","3","3","2","4","2","1") = "9"
    & skf18("10","3","3","2","4","3","1") = "9"
    & skf18("10","3","3","2","4","4","1") = "9"
    & skf18("10","3","3","2","4","5","1") = "9"
    & skf18("10","3","3","2","4","6","1") = "9"
    & skf18("10","3","3","2","4","7","1") = "9"
    & skf18("10","3","3","2","4","8","1") = "9"
    & skf18("10","3","3","2","4","9","1") = "9"
    & skf18("10","3","3","2","4","10","1") = "9"
    & skf18("10","3","3","2","5","1","1") = "9"
    & skf18("10","3","3","2","5","2","1") = "9"
    & skf18("10","3","3","2","5","3","1") = "9"
    & skf18("10","3","3","2","5","4","1") = "9"
    & skf18("10","3","3","2","5","5","1") = "9"
    & skf18("10","3","3","2","5","6","1") = "9"
    & skf18("10","3","3","2","5","7","1") = "9"
    & skf18("10","3","3","2","5","8","1") = "9"
    & skf18("10","3","3","2","5","9","1") = "9"
    & skf18("10","3","3","2","5","10","1") = "9"
    & skf18("10","3","3","2","6","1","1") = "9"
    & skf18("10","3","3","2","6","2","1") = "9"
    & skf18("10","3","3","2","6","3","1") = "9"
    & skf18("10","3","3","2","6","4","1") = "9"
    & skf18("10","3","3","2","6","5","1") = "9"
    & skf18("10","3","3","2","6","6","1") = "9"
    & skf18("10","3","3","2","6","7","1") = "9"
    & skf18("10","3","3","2","6","8","1") = "9"
    & skf18("10","3","3","2","6","9","1") = "9"
    & skf18("10","3","3","2","6","10","1") = "9"
    & skf18("10","3","3","2","7","1","1") = "9"
    & skf18("10","3","3","2","7","2","1") = "9"
    & skf18("10","3","3","2","7","3","1") = "9"
    & skf18("10","3","3","2","7","4","1") = "9"
    & skf18("10","3","3","2","7","5","1") = "9"
    & skf18("10","3","3","2","7","6","1") = "9"
    & skf18("10","3","3","2","7","7","1") = "9"
    & skf18("10","3","3","2","7","8","1") = "9"
    & skf18("10","3","3","2","7","9","1") = "9"
    & skf18("10","3","3","2","7","10","1") = "9"
    & skf18("10","3","3","2","8","1","1") = "9"
    & skf18("10","3","3","2","8","2","1") = "9"
    & skf18("10","3","3","2","8","3","1") = "9"
    & skf18("10","3","3","2","8","4","1") = "9"
    & skf18("10","3","3","2","8","5","1") = "9"
    & skf18("10","3","3","2","8","6","1") = "9"
    & skf18("10","3","3","2","8","7","1") = "9"
    & skf18("10","3","3","2","8","8","1") = "9"
    & skf18("10","3","3","2","8","9","1") = "9"
    & skf18("10","3","3","2","8","10","1") = "9"
    & skf18("10","3","3","2","9","1","1") = "9"
    & skf18("10","3","3","2","9","2","1") = "9"
    & skf18("10","3","3","2","9","3","1") = "9"
    & skf18("10","3","3","2","9","4","1") = "9"
    & skf18("10","3","3","2","9","5","1") = "9"
    & skf18("10","3","3","2","9","6","1") = "9"
    & skf18("10","3","3","2","9","7","1") = "9"
    & skf18("10","3","3","2","9","8","1") = "9"
    & skf18("10","3","3","2","9","9","1") = "9"
    & skf18("10","3","3","2","9","10","1") = "9"
    & skf18("10","3","3","2","10","1","1") = "9"
    & skf18("10","3","3","2","10","2","1") = "9"
    & skf18("10","3","3","2","10","3","1") = "9"
    & skf18("10","3","3","2","10","4","1") = "9"
    & skf18("10","3","3","2","10","5","1") = "9"
    & skf18("10","3","3","2","10","6","1") = "9"
    & skf18("10","3","3","2","10","7","1") = "9"
    & skf18("10","3","3","2","10","8","1") = "9"
    & skf18("10","3","3","2","10","9","1") = "9"
    & skf18("10","3","3","2","10","10","1") = "9"
    & skf18("10","3","3","3","1","1","1") = "9"
    & skf18("10","3","3","3","1","2","1") = "9"
    & skf18("10","3","3","3","1","3","1") = "9"
    & skf18("10","3","3","3","1","4","1") = "9"
    & skf18("10","3","3","3","1","5","1") = "9"
    & skf18("10","3","3","3","1","6","1") = "9"
    & skf18("10","3","3","3","1","7","1") = "9"
    & skf18("10","3","3","3","1","8","1") = "9"
    & skf18("10","3","3","3","1","9","1") = "9"
    & skf18("10","3","3","3","1","10","1") = "9"
    & skf18("10","3","3","3","2","1","1") = "9"
    & skf18("10","3","3","3","2","2","1") = "9"
    & skf18("10","3","3","3","2","3","1") = "9"
    & skf18("10","3","3","3","2","4","1") = "9"
    & skf18("10","3","3","3","2","5","1") = "9"
    & skf18("10","3","3","3","2","6","1") = "9"
    & skf18("10","3","3","3","2","7","1") = "9"
    & skf18("10","3","3","3","2","8","1") = "9"
    & skf18("10","3","3","3","2","9","1") = "9"
    & skf18("10","3","3","3","2","10","1") = "9"
    & skf18("10","3","3","3","3","1","1") = "9"
    & skf18("10","3","3","3","3","2","1") = "9"
    & skf18("10","3","3","3","3","3","1") = "9"
    & skf18("10","3","3","3","3","4","1") = "9"
    & skf18("10","3","3","3","3","5","1") = "9"
    & skf18("10","3","3","3","3","6","1") = "9"
    & skf18("10","3","3","3","3","7","1") = "9"
    & skf18("10","3","3","3","3","8","1") = "9"
    & skf18("10","3","3","3","3","9","1") = "9"
    & skf18("10","3","3","3","3","10","1") = "9"
    & skf18("10","3","3","3","4","1","1") = "9"
    & skf18("10","3","3","3","4","2","1") = "9"
    & skf18("10","3","3","3","4","3","1") = "9"
    & skf18("10","3","3","3","4","4","1") = "9"
    & skf18("10","3","3","3","4","5","1") = "9"
    & skf18("10","3","3","3","4","6","1") = "9"
    & skf18("10","3","3","3","4","7","1") = "9"
    & skf18("10","3","3","3","4","8","1") = "9"
    & skf18("10","3","3","3","4","9","1") = "9"
    & skf18("10","3","3","3","4","10","1") = "9"
    & skf18("10","3","3","3","5","1","1") = "9"
    & skf18("10","3","3","3","5","2","1") = "9"
    & skf18("10","3","3","3","5","3","1") = "9"
    & skf18("10","3","3","3","5","4","1") = "9"
    & skf18("10","3","3","3","5","5","1") = "9"
    & skf18("10","3","3","3","5","6","1") = "9"
    & skf18("10","3","3","3","5","7","1") = "9"
    & skf18("10","3","3","3","5","8","1") = "9"
    & skf18("10","3","3","3","5","9","1") = "9"
    & skf18("10","3","3","3","5","10","1") = "9"
    & skf18("10","3","3","3","6","1","1") = "9"
    & skf18("10","3","3","3","6","2","1") = "9"
    & skf18("10","3","3","3","6","3","1") = "9"
    & skf18("10","3","3","3","6","4","1") = "9"
    & skf18("10","3","3","3","6","5","1") = "9"
    & skf18("10","3","3","3","6","6","1") = "9"
    & skf18("10","3","3","3","6","7","1") = "9"
    & skf18("10","3","3","3","6","8","1") = "9"
    & skf18("10","3","3","3","6","9","1") = "9"
    & skf18("10","3","3","3","6","10","1") = "9"
    & skf18("10","3","3","3","7","1","1") = "9"
    & skf18("10","3","3","3","7","2","1") = "9"
    & skf18("10","3","3","3","7","3","1") = "9"
    & skf18("10","3","3","3","7","4","1") = "9"
    & skf18("10","3","3","3","7","5","1") = "9"
    & skf18("10","3","3","3","7","6","1") = "9"
    & skf18("10","3","3","3","7","7","1") = "9"
    & skf18("10","3","3","3","7","8","1") = "9"
    & skf18("10","3","3","3","7","9","1") = "9"
    & skf18("10","3","3","3","7","10","1") = "9"
    & skf18("10","3","3","3","8","1","1") = "9"
    & skf18("10","3","3","3","8","2","1") = "9"
    & skf18("10","3","3","3","8","3","1") = "9"
    & skf18("10","3","3","3","8","4","1") = "9"
    & skf18("10","3","3","3","8","5","1") = "9"
    & skf18("10","3","3","3","8","6","1") = "9"
    & skf18("10","3","3","3","8","7","1") = "9"
    & skf18("10","3","3","3","8","8","1") = "9"
    & skf18("10","3","3","3","8","9","1") = "9"
    & skf18("10","3","3","3","8","10","1") = "9"
    & skf18("10","3","3","3","9","1","1") = "9"
    & skf18("10","3","3","3","9","2","1") = "9"
    & skf18("10","3","3","3","9","3","1") = "9"
    & skf18("10","3","3","3","9","4","1") = "9"
    & skf18("10","3","3","3","9","5","1") = "9"
    & skf18("10","3","3","3","9","6","1") = "9"
    & skf18("10","3","3","3","9","7","1") = "9"
    & skf18("10","3","3","3","9","8","1") = "9"
    & skf18("10","3","3","3","9","9","1") = "9"
    & skf18("10","3","3","3","9","10","1") = "9"
    & skf18("10","3","3","3","10","1","1") = "9"
    & skf18("10","3","3","3","10","2","1") = "9"
    & skf18("10","3","3","3","10","3","1") = "9"
    & skf18("10","3","3","3","10","4","1") = "9"
    & skf18("10","3","3","3","10","5","1") = "9"
    & skf18("10","3","3","3","10","6","1") = "9"
    & skf18("10","3","3","3","10","7","1") = "9"
    & skf18("10","3","3","3","10","8","1") = "9"
    & skf18("10","3","3","3","10","9","1") = "9"
    & skf18("10","3","3","3","10","10","1") = "9"
    & skf18("10","3","3","4","1","1","1") = "9"
    & skf18("10","3","3","4","1","2","1") = "9"
    & skf18("10","3","3","4","1","3","1") = "9"
    & skf18("10","3","3","4","1","4","1") = "9"
    & skf18("10","3","3","4","1","5","1") = "9"
    & skf18("10","3","3","4","1","6","1") = "9"
    & skf18("10","3","3","4","1","7","1") = "9"
    & skf18("10","3","3","4","1","8","1") = "9"
    & skf18("10","3","3","4","1","9","1") = "9"
    & skf18("10","3","3","4","1","10","1") = "9"
    & skf18("10","3","3","4","2","1","1") = "9"
    & skf18("10","3","3","4","2","2","1") = "9"
    & skf18("10","3","3","4","2","3","1") = "9"
    & skf18("10","3","3","4","2","4","1") = "9"
    & skf18("10","3","3","4","2","5","1") = "9"
    & skf18("10","3","3","4","2","6","1") = "9"
    & skf18("10","3","3","4","2","7","1") = "9"
    & skf18("10","3","3","4","2","8","1") = "9"
    & skf18("10","3","3","4","2","9","1") = "9"
    & skf18("10","3","3","4","2","10","1") = "9"
    & skf18("10","3","3","4","3","1","1") = "9"
    & skf18("10","3","3","4","3","2","1") = "9"
    & skf18("10","3","3","4","3","3","1") = "9"
    & skf18("10","3","3","4","3","4","1") = "9"
    & skf18("10","3","3","4","3","5","1") = "9"
    & skf18("10","3","3","4","3","6","1") = "9"
    & skf18("10","3","3","4","3","7","1") = "9"
    & skf18("10","3","3","4","3","8","1") = "9"
    & skf18("10","3","3","4","3","9","1") = "9"
    & skf18("10","3","3","4","3","10","1") = "9"
    & skf18("10","3","3","4","4","1","1") = "9"
    & skf18("10","3","3","4","4","2","1") = "9"
    & skf18("10","3","3","4","4","3","1") = "9"
    & skf18("10","3","3","4","4","4","1") = "9"
    & skf18("10","3","3","4","4","5","1") = "9"
    & skf18("10","3","3","4","4","6","1") = "9"
    & skf18("10","3","3","4","4","7","1") = "9"
    & skf18("10","3","3","4","4","8","1") = "9"
    & skf18("10","3","3","4","4","9","1") = "9"
    & skf18("10","3","3","4","4","10","1") = "9"
    & skf18("10","3","3","4","5","1","1") = "9"
    & skf18("10","3","3","4","5","2","1") = "9"
    & skf18("10","3","3","4","5","3","1") = "9"
    & skf18("10","3","3","4","5","4","1") = "9"
    & skf18("10","3","3","4","5","5","1") = "9"
    & skf18("10","3","3","4","5","6","1") = "9"
    & skf18("10","3","3","4","5","7","1") = "9"
    & skf18("10","3","3","4","5","8","1") = "9"
    & skf18("10","3","3","4","5","9","1") = "9"
    & skf18("10","3","3","4","5","10","1") = "9"
    & skf18("10","3","3","4","6","1","1") = "9"
    & skf18("10","3","3","4","6","2","1") = "9"
    & skf18("10","3","3","4","6","3","1") = "9"
    & skf18("10","3","3","4","6","4","1") = "9"
    & skf18("10","3","3","4","6","5","1") = "9"
    & skf18("10","3","3","4","6","6","1") = "9"
    & skf18("10","3","3","4","6","7","1") = "9"
    & skf18("10","3","3","4","6","8","1") = "9"
    & skf18("10","3","3","4","6","9","1") = "9"
    & skf18("10","3","3","4","6","10","1") = "9"
    & skf18("10","3","3","4","7","1","1") = "9"
    & skf18("10","3","3","4","7","2","1") = "9"
    & skf18("10","3","3","4","7","3","1") = "9"
    & skf18("10","3","3","4","7","4","1") = "9"
    & skf18("10","3","3","4","7","5","1") = "9"
    & skf18("10","3","3","4","7","6","1") = "9"
    & skf18("10","3","3","4","7","7","1") = "9"
    & skf18("10","3","3","4","7","8","1") = "9"
    & skf18("10","3","3","4","7","9","1") = "9"
    & skf18("10","3","3","4","7","10","1") = "9"
    & skf18("10","3","3","4","8","1","1") = "9"
    & skf18("10","3","3","4","8","2","1") = "9"
    & skf18("10","3","3","4","8","3","1") = "9"
    & skf18("10","3","3","4","8","4","1") = "9"
    & skf18("10","3","3","4","8","5","1") = "9"
    & skf18("10","3","3","4","8","6","1") = "9"
    & skf18("10","3","3","4","8","7","1") = "9"
    & skf18("10","3","3","4","8","8","1") = "9"
    & skf18("10","3","3","4","8","9","1") = "9"
    & skf18("10","3","3","4","8","10","1") = "9"
    & skf18("10","3","3","4","9","1","1") = "9"
    & skf18("10","3","3","4","9","2","1") = "9"
    & skf18("10","3","3","4","9","3","1") = "9"
    & skf18("10","3","3","4","9","4","1") = "9"
    & skf18("10","3","3","4","9","5","1") = "9"
    & skf18("10","3","3","4","9","6","1") = "9"
    & skf18("10","3","3","4","9","7","1") = "9"
    & skf18("10","3","3","4","9","8","1") = "9"
    & skf18("10","3","3","4","9","9","1") = "9"
    & skf18("10","3","3","4","9","10","1") = "9"
    & skf18("10","3","3","4","10","1","1") = "9"
    & skf18("10","3","3","4","10","2","1") = "9"
    & skf18("10","3","3","4","10","3","1") = "9"
    & skf18("10","3","3","4","10","4","1") = "9"
    & skf18("10","3","3","4","10","5","1") = "9"
    & skf18("10","3","3","4","10","6","1") = "9"
    & skf18("10","3","3","4","10","7","1") = "9"
    & skf18("10","3","3","4","10","8","1") = "9"
    & skf18("10","3","3","4","10","9","1") = "9"
    & skf18("10","3","3","4","10","10","1") = "9"
    & skf18("10","3","3","5","1","1","1") = "9"
    & skf18("10","3","3","5","1","2","1") = "9"
    & skf18("10","3","3","5","1","3","1") = "9"
    & skf18("10","3","3","5","1","4","1") = "9"
    & skf18("10","3","3","5","1","5","1") = "9"
    & skf18("10","3","3","5","1","6","1") = "9"
    & skf18("10","3","3","5","1","7","1") = "9"
    & skf18("10","3","3","5","1","8","1") = "9"
    & skf18("10","3","3","5","1","9","1") = "9"
    & skf18("10","3","3","5","1","10","1") = "9"
    & skf18("10","3","3","5","2","1","1") = "9"
    & skf18("10","3","3","5","2","2","1") = "9"
    & skf18("10","3","3","5","2","3","1") = "9"
    & skf18("10","3","3","5","2","4","1") = "9"
    & skf18("10","3","3","5","2","5","1") = "9"
    & skf18("10","3","3","5","2","6","1") = "9"
    & skf18("10","3","3","5","2","7","1") = "9"
    & skf18("10","3","3","5","2","8","1") = "9"
    & skf18("10","3","3","5","2","9","1") = "9"
    & skf18("10","3","3","5","2","10","1") = "9"
    & skf18("10","3","3","5","3","1","1") = "9"
    & skf18("10","3","3","5","3","2","1") = "9"
    & skf18("10","3","3","5","3","3","1") = "9"
    & skf18("10","3","3","5","3","4","1") = "9"
    & skf18("10","3","3","5","3","5","1") = "9"
    & skf18("10","3","3","5","3","6","1") = "9"
    & skf18("10","3","3","5","3","7","1") = "9"
    & skf18("10","3","3","5","3","8","1") = "9"
    & skf18("10","3","3","5","3","9","1") = "9"
    & skf18("10","3","3","5","3","10","1") = "9"
    & skf18("10","3","3","5","4","1","1") = "9"
    & skf18("10","3","3","5","4","2","1") = "9"
    & skf18("10","3","3","5","4","3","1") = "9"
    & skf18("10","3","3","5","4","4","1") = "9"
    & skf18("10","3","3","5","4","5","1") = "9"
    & skf18("10","3","3","5","4","6","1") = "9"
    & skf18("10","3","3","5","4","7","1") = "9"
    & skf18("10","3","3","5","4","8","1") = "9"
    & skf18("10","3","3","5","4","9","1") = "9"
    & skf18("10","3","3","5","4","10","1") = "9"
    & skf18("10","3","3","5","5","1","1") = "9"
    & skf18("10","3","3","5","5","2","1") = "9"
    & skf18("10","3","3","5","5","3","1") = "9"
    & skf18("10","3","3","5","5","4","1") = "9"
    & skf18("10","3","3","5","5","5","1") = "9"
    & skf18("10","3","3","5","5","6","1") = "9"
    & skf18("10","3","3","5","5","7","1") = "9"
    & skf18("10","3","3","5","5","8","1") = "9"
    & skf18("10","3","3","5","5","9","1") = "9"
    & skf18("10","3","3","5","5","10","1") = "9"
    & skf18("10","3","3","5","6","1","1") = "9"
    & skf18("10","3","3","5","6","2","1") = "9"
    & skf18("10","3","3","5","6","3","1") = "9"
    & skf18("10","3","3","5","6","4","1") = "9"
    & skf18("10","3","3","5","6","5","1") = "9"
    & skf18("10","3","3","5","6","6","1") = "9"
    & skf18("10","3","3","5","6","7","1") = "9"
    & skf18("10","3","3","5","6","8","1") = "9"
    & skf18("10","3","3","5","6","9","1") = "9"
    & skf18("10","3","3","5","6","10","1") = "9"
    & skf18("10","3","3","5","7","1","1") = "9"
    & skf18("10","3","3","5","7","2","1") = "9"
    & skf18("10","3","3","5","7","3","1") = "9"
    & skf18("10","3","3","5","7","4","1") = "9"
    & skf18("10","3","3","5","7","5","1") = "9"
    & skf18("10","3","3","5","7","6","1") = "9"
    & skf18("10","3","3","5","7","7","1") = "9"
    & skf18("10","3","3","5","7","8","1") = "9"
    & skf18("10","3","3","5","7","9","1") = "9"
    & skf18("10","3","3","5","7","10","1") = "9"
    & skf18("10","3","3","5","8","1","1") = "9"
    & skf18("10","3","3","5","8","2","1") = "9"
    & skf18("10","3","3","5","8","3","1") = "9"
    & skf18("10","3","3","5","8","4","1") = "9"
    & skf18("10","3","3","5","8","5","1") = "9"
    & skf18("10","3","3","5","8","6","1") = "9"
    & skf18("10","3","3","5","8","7","1") = "9"
    & skf18("10","3","3","5","8","8","1") = "9"
    & skf18("10","3","3","5","8","9","1") = "9"
    & skf18("10","3","3","5","8","10","1") = "9"
    & skf18("10","3","3","5","9","1","1") = "9"
    & skf18("10","3","3","5","9","2","1") = "9"
    & skf18("10","3","3","5","9","3","1") = "9"
    & skf18("10","3","3","5","9","4","1") = "9"
    & skf18("10","3","3","5","9","5","1") = "9"
    & skf18("10","3","3","5","9","6","1") = "9"
    & skf18("10","3","3","5","9","7","1") = "9"
    & skf18("10","3","3","5","9","8","1") = "9"
    & skf18("10","3","3","5","9","9","1") = "9"
    & skf18("10","3","3","5","9","10","1") = "9"
    & skf18("10","3","3","5","10","1","1") = "9"
    & skf18("10","3","3","5","10","2","1") = "9"
    & skf18("10","3","3","5","10","3","1") = "9"
    & skf18("10","3","3","5","10","4","1") = "9"
    & skf18("10","3","3","5","10","5","1") = "9"
    & skf18("10","3","3","5","10","6","1") = "9"
    & skf18("10","3","3","5","10","7","1") = "9"
    & skf18("10","3","3","5","10","8","1") = "9"
    & skf18("10","3","3","5","10","9","1") = "9"
    & skf18("10","3","3","5","10","10","1") = "9"
    & skf18("10","3","3","6","1","1","1") = "9"
    & skf18("10","3","3","6","1","2","1") = "9"
    & skf18("10","3","3","6","1","3","1") = "9"
    & skf18("10","3","3","6","1","4","1") = "9"
    & skf18("10","3","3","6","1","5","1") = "9"
    & skf18("10","3","3","6","1","6","1") = "9"
    & skf18("10","3","3","6","1","7","1") = "9"
    & skf18("10","3","3","6","1","8","1") = "9"
    & skf18("10","3","3","6","1","9","1") = "9"
    & skf18("10","3","3","6","1","10","1") = "9"
    & skf18("10","3","3","6","2","1","1") = "9"
    & skf18("10","3","3","6","2","2","1") = "9"
    & skf18("10","3","3","6","2","3","1") = "9"
    & skf18("10","3","3","6","2","4","1") = "9"
    & skf18("10","3","3","6","2","5","1") = "9"
    & skf18("10","3","3","6","2","6","1") = "9"
    & skf18("10","3","3","6","2","7","1") = "9"
    & skf18("10","3","3","6","2","8","1") = "9"
    & skf18("10","3","3","6","2","9","1") = "9"
    & skf18("10","3","3","6","2","10","1") = "9"
    & skf18("10","3","3","6","3","1","1") = "9"
    & skf18("10","3","3","6","3","2","1") = "9"
    & skf18("10","3","3","6","3","3","1") = "9"
    & skf18("10","3","3","6","3","4","1") = "9"
    & skf18("10","3","3","6","3","5","1") = "9"
    & skf18("10","3","3","6","3","6","1") = "9"
    & skf18("10","3","3","6","3","7","1") = "9"
    & skf18("10","3","3","6","3","8","1") = "9"
    & skf18("10","3","3","6","3","9","1") = "9"
    & skf18("10","3","3","6","3","10","1") = "9"
    & skf18("10","3","3","6","4","1","1") = "9"
    & skf18("10","3","3","6","4","2","1") = "9"
    & skf18("10","3","3","6","4","3","1") = "9"
    & skf18("10","3","3","6","4","4","1") = "9"
    & skf18("10","3","3","6","4","5","1") = "9"
    & skf18("10","3","3","6","4","6","1") = "9"
    & skf18("10","3","3","6","4","7","1") = "9"
    & skf18("10","3","3","6","4","8","1") = "9"
    & skf18("10","3","3","6","4","9","1") = "9"
    & skf18("10","3","3","6","4","10","1") = "9"
    & skf18("10","3","3","6","5","1","1") = "9"
    & skf18("10","3","3","6","5","2","1") = "9"
    & skf18("10","3","3","6","5","3","1") = "9"
    & skf18("10","3","3","6","5","4","1") = "9"
    & skf18("10","3","3","6","5","5","1") = "9"
    & skf18("10","3","3","6","5","6","1") = "9"
    & skf18("10","3","3","6","5","7","1") = "9"
    & skf18("10","3","3","6","5","8","1") = "9"
    & skf18("10","3","3","6","5","9","1") = "9"
    & skf18("10","3","3","6","5","10","1") = "9"
    & skf18("10","3","3","6","6","1","1") = "9"
    & skf18("10","3","3","6","6","2","1") = "9"
    & skf18("10","3","3","6","6","3","1") = "9"
    & skf18("10","3","3","6","6","4","1") = "9"
    & skf18("10","3","3","6","6","5","1") = "9"
    & skf18("10","3","3","6","6","6","1") = "9"
    & skf18("10","3","3","6","6","7","1") = "9"
    & skf18("10","3","3","6","6","8","1") = "9"
    & skf18("10","3","3","6","6","9","1") = "9"
    & skf18("10","3","3","6","6","10","1") = "9"
    & skf18("10","3","3","6","7","1","1") = "9"
    & skf18("10","3","3","6","7","2","1") = "9"
    & skf18("10","3","3","6","7","3","1") = "9"
    & skf18("10","3","3","6","7","4","1") = "9"
    & skf18("10","3","3","6","7","5","1") = "9"
    & skf18("10","3","3","6","7","6","1") = "9"
    & skf18("10","3","3","6","7","7","1") = "9"
    & skf18("10","3","3","6","7","8","1") = "9"
    & skf18("10","3","3","6","7","9","1") = "9"
    & skf18("10","3","3","6","7","10","1") = "9"
    & skf18("10","3","3","6","8","1","1") = "9"
    & skf18("10","3","3","6","8","2","1") = "9"
    & skf18("10","3","3","6","8","3","1") = "9"
    & skf18("10","3","3","6","8","4","1") = "9"
    & skf18("10","3","3","6","8","5","1") = "9"
    & skf18("10","3","3","6","8","6","1") = "9"
    & skf18("10","3","3","6","8","7","1") = "9"
    & skf18("10","3","3","6","8","8","1") = "9"
    & skf18("10","3","3","6","8","9","1") = "9"
    & skf18("10","3","3","6","8","10","1") = "9"
    & skf18("10","3","3","6","9","1","1") = "9"
    & skf18("10","3","3","6","9","2","1") = "9"
    & skf18("10","3","3","6","9","3","1") = "9"
    & skf18("10","3","3","6","9","4","1") = "9"
    & skf18("10","3","3","6","9","5","1") = "9"
    & skf18("10","3","3","6","9","6","1") = "9"
    & skf18("10","3","3","6","9","7","1") = "9"
    & skf18("10","3","3","6","9","8","1") = "9"
    & skf18("10","3","3","6","9","9","1") = "9"
    & skf18("10","3","3","6","9","10","1") = "9"
    & skf18("10","3","3","6","10","1","1") = "9"
    & skf18("10","3","3","6","10","2","1") = "9"
    & skf18("10","3","3","6","10","3","1") = "9"
    & skf18("10","3","3","6","10","4","1") = "9"
    & skf18("10","3","3","6","10","5","1") = "9"
    & skf18("10","3","3","6","10","6","1") = "9"
    & skf18("10","3","3","6","10","7","1") = "9"
    & skf18("10","3","3","6","10","8","1") = "9"
    & skf18("10","3","3","6","10","9","1") = "9"
    & skf18("10","3","3","6","10","10","1") = "9"
    & skf18("10","3","3","7","1","1","1") = "9"
    & skf18("10","3","3","7","1","2","1") = "9"
    & skf18("10","3","3","7","1","3","1") = "9"
    & skf18("10","3","3","7","1","4","1") = "9"
    & skf18("10","3","3","7","1","5","1") = "9"
    & skf18("10","3","3","7","1","6","1") = "9"
    & skf18("10","3","3","7","1","7","1") = "9"
    & skf18("10","3","3","7","1","8","1") = "9"
    & skf18("10","3","3","7","1","9","1") = "9"
    & skf18("10","3","3","7","1","10","1") = "9"
    & skf18("10","3","3","7","2","1","1") = "9"
    & skf18("10","3","3","7","2","2","1") = "9"
    & skf18("10","3","3","7","2","3","1") = "9"
    & skf18("10","3","3","7","2","4","1") = "9"
    & skf18("10","3","3","7","2","5","1") = "9"
    & skf18("10","3","3","7","2","6","1") = "9"
    & skf18("10","3","3","7","2","7","1") = "9"
    & skf18("10","3","3","7","2","8","1") = "9"
    & skf18("10","3","3","7","2","9","1") = "9"
    & skf18("10","3","3","7","2","10","1") = "9"
    & skf18("10","3","3","7","3","1","1") = "9"
    & skf18("10","3","3","7","3","2","1") = "9"
    & skf18("10","3","3","7","3","3","1") = "9"
    & skf18("10","3","3","7","3","4","1") = "9"
    & skf18("10","3","3","7","3","5","1") = "9"
    & skf18("10","3","3","7","3","6","1") = "9"
    & skf18("10","3","3","7","3","7","1") = "9"
    & skf18("10","3","3","7","3","8","1") = "9"
    & skf18("10","3","3","7","3","9","1") = "9"
    & skf18("10","3","3","7","3","10","1") = "9"
    & skf18("10","3","3","7","4","1","1") = "9"
    & skf18("10","3","3","7","4","2","1") = "9"
    & skf18("10","3","3","7","4","3","1") = "9"
    & skf18("10","3","3","7","4","4","1") = "9"
    & skf18("10","3","3","7","4","5","1") = "9"
    & skf18("10","3","3","7","4","6","1") = "9"
    & skf18("10","3","3","7","4","7","1") = "9"
    & skf18("10","3","3","7","4","8","1") = "9"
    & skf18("10","3","3","7","4","9","1") = "9"
    & skf18("10","3","3","7","4","10","1") = "9"
    & skf18("10","3","3","7","5","1","1") = "9"
    & skf18("10","3","3","7","5","2","1") = "9"
    & skf18("10","3","3","7","5","3","1") = "9"
    & skf18("10","3","3","7","5","4","1") = "9"
    & skf18("10","3","3","7","5","5","1") = "9"
    & skf18("10","3","3","7","5","6","1") = "9"
    & skf18("10","3","3","7","5","7","1") = "9"
    & skf18("10","3","3","7","5","8","1") = "9"
    & skf18("10","3","3","7","5","9","1") = "9"
    & skf18("10","3","3","7","5","10","1") = "9"
    & skf18("10","3","3","7","6","1","1") = "9"
    & skf18("10","3","3","7","6","2","1") = "9"
    & skf18("10","3","3","7","6","3","1") = "9"
    & skf18("10","3","3","7","6","4","1") = "9"
    & skf18("10","3","3","7","6","5","1") = "9"
    & skf18("10","3","3","7","6","6","1") = "9"
    & skf18("10","3","3","7","6","7","1") = "9"
    & skf18("10","3","3","7","6","8","1") = "9"
    & skf18("10","3","3","7","6","9","1") = "9"
    & skf18("10","3","3","7","6","10","1") = "9"
    & skf18("10","3","3","7","7","1","1") = "9"
    & skf18("10","3","3","7","7","2","1") = "9"
    & skf18("10","3","3","7","7","3","1") = "9"
    & skf18("10","3","3","7","7","4","1") = "9"
    & skf18("10","3","3","7","7","5","1") = "9"
    & skf18("10","3","3","7","7","6","1") = "9"
    & skf18("10","3","3","7","7","7","1") = "9"
    & skf18("10","3","3","7","7","8","1") = "9"
    & skf18("10","3","3","7","7","9","1") = "9"
    & skf18("10","3","3","7","7","10","1") = "9"
    & skf18("10","3","3","7","8","1","1") = "9"
    & skf18("10","3","3","7","8","2","1") = "9"
    & skf18("10","3","3","7","8","3","1") = "9"
    & skf18("10","3","3","7","8","4","1") = "9"
    & skf18("10","3","3","7","8","5","1") = "9"
    & skf18("10","3","3","7","8","6","1") = "9"
    & skf18("10","3","3","7","8","7","1") = "9"
    & skf18("10","3","3","7","8","8","1") = "9"
    & skf18("10","3","3","7","8","9","1") = "9"
    & skf18("10","3","3","7","8","10","1") = "9"
    & skf18("10","3","3","7","9","1","1") = "9"
    & skf18("10","3","3","7","9","2","1") = "9"
    & skf18("10","3","3","7","9","3","1") = "9"
    & skf18("10","3","3","7","9","4","1") = "9"
    & skf18("10","3","3","7","9","5","1") = "9"
    & skf18("10","3","3","7","9","6","1") = "9"
    & skf18("10","3","3","7","9","7","1") = "9"
    & skf18("10","3","3","7","9","8","1") = "9"
    & skf18("10","3","3","7","9","9","1") = "9"
    & skf18("10","3","3","7","9","10","1") = "9"
    & skf18("10","3","3","7","10","1","1") = "9"
    & skf18("10","3","3","7","10","2","1") = "9"
    & skf18("10","3","3","7","10","3","1") = "9"
    & skf18("10","3","3","7","10","4","1") = "9"
    & skf18("10","3","3","7","10","5","1") = "9"
    & skf18("10","3","3","7","10","6","1") = "9"
    & skf18("10","3","3","7","10","7","1") = "9"
    & skf18("10","3","3","7","10","8","1") = "9"
    & skf18("10","3","3","7","10","9","1") = "9"
    & skf18("10","3","3","7","10","10","1") = "9"
    & skf18("10","3","3","8","1","1","1") = "9"
    & skf18("10","3","3","8","1","2","1") = "9"
    & skf18("10","3","3","8","1","3","1") = "9"
    & skf18("10","3","3","8","1","4","1") = "9"
    & skf18("10","3","3","8","1","5","1") = "9"
    & skf18("10","3","3","8","1","6","1") = "9"
    & skf18("10","3","3","8","1","7","1") = "9"
    & skf18("10","3","3","8","1","8","1") = "9"
    & skf18("10","3","3","8","1","9","1") = "9"
    & skf18("10","3","3","8","1","10","1") = "9"
    & skf18("10","3","3","8","2","1","1") = "9"
    & skf18("10","3","3","8","2","2","1") = "9"
    & skf18("10","3","3","8","2","3","1") = "9"
    & skf18("10","3","3","8","2","4","1") = "9"
    & skf18("10","3","3","8","2","5","1") = "9"
    & skf18("10","3","3","8","2","6","1") = "9"
    & skf18("10","3","3","8","2","7","1") = "9"
    & skf18("10","3","3","8","2","8","1") = "9"
    & skf18("10","3","3","8","2","9","1") = "9"
    & skf18("10","3","3","8","2","10","1") = "9"
    & skf18("10","3","3","8","3","1","1") = "9"
    & skf18("10","3","3","8","3","2","1") = "9"
    & skf18("10","3","3","8","3","3","1") = "9"
    & skf18("10","3","3","8","3","4","1") = "9"
    & skf18("10","3","3","8","3","5","1") = "9"
    & skf18("10","3","3","8","3","6","1") = "9"
    & skf18("10","3","3","8","3","7","1") = "9"
    & skf18("10","3","3","8","3","8","1") = "9"
    & skf18("10","3","3","8","3","9","1") = "9"
    & skf18("10","3","3","8","3","10","1") = "9"
    & skf18("10","3","3","8","4","1","1") = "9"
    & skf18("10","3","3","8","4","2","1") = "9"
    & skf18("10","3","3","8","4","3","1") = "9"
    & skf18("10","3","3","8","4","4","1") = "9"
    & skf18("10","3","3","8","4","5","1") = "9"
    & skf18("10","3","3","8","4","6","1") = "9"
    & skf18("10","3","3","8","4","7","1") = "9"
    & skf18("10","3","3","8","4","8","1") = "9"
    & skf18("10","3","3","8","4","9","1") = "9"
    & skf18("10","3","3","8","4","10","1") = "9"
    & skf18("10","3","3","8","5","1","1") = "9"
    & skf18("10","3","3","8","5","2","1") = "9"
    & skf18("10","3","3","8","5","3","1") = "9"
    & skf18("10","3","3","8","5","4","1") = "9"
    & skf18("10","3","3","8","5","5","1") = "9"
    & skf18("10","3","3","8","5","6","1") = "9"
    & skf18("10","3","3","8","5","7","1") = "9"
    & skf18("10","3","3","8","5","8","1") = "9"
    & skf18("10","3","3","8","5","9","1") = "9"
    & skf18("10","3","3","8","5","10","1") = "9"
    & skf18("10","3","3","8","6","1","1") = "9"
    & skf18("10","3","3","8","6","2","1") = "9"
    & skf18("10","3","3","8","6","3","1") = "9"
    & skf18("10","3","3","8","6","4","1") = "9"
    & skf18("10","3","3","8","6","5","1") = "9"
    & skf18("10","3","3","8","6","6","1") = "9"
    & skf18("10","3","3","8","6","7","1") = "9"
    & skf18("10","3","3","8","6","8","1") = "9"
    & skf18("10","3","3","8","6","9","1") = "9"
    & skf18("10","3","3","8","6","10","1") = "9"
    & skf18("10","3","3","8","7","1","1") = "9"
    & skf18("10","3","3","8","7","2","1") = "9"
    & skf18("10","3","3","8","7","3","1") = "9"
    & skf18("10","3","3","8","7","4","1") = "9"
    & skf18("10","3","3","8","7","5","1") = "9"
    & skf18("10","3","3","8","7","6","1") = "9"
    & skf18("10","3","3","8","7","7","1") = "9"
    & skf18("10","3","3","8","7","8","1") = "9"
    & skf18("10","3","3","8","7","9","1") = "9"
    & skf18("10","3","3","8","7","10","1") = "9"
    & skf18("10","3","3","8","8","1","1") = "9"
    & skf18("10","3","3","8","8","2","1") = "9"
    & skf18("10","3","3","8","8","3","1") = "9"
    & skf18("10","3","3","8","8","4","1") = "9"
    & skf18("10","3","3","8","8","5","1") = "9"
    & skf18("10","3","3","8","8","6","1") = "9"
    & skf18("10","3","3","8","8","7","1") = "9"
    & skf18("10","3","3","8","8","8","1") = "9"
    & skf18("10","3","3","8","8","9","1") = "9"
    & skf18("10","3","3","8","8","10","1") = "9"
    & skf18("10","3","3","8","9","1","1") = "9"
    & skf18("10","3","3","8","9","2","1") = "9"
    & skf18("10","3","3","8","9","3","1") = "9"
    & skf18("10","3","3","8","9","4","1") = "9"
    & skf18("10","3","3","8","9","5","1") = "9"
    & skf18("10","3","3","8","9","6","1") = "9"
    & skf18("10","3","3","8","9","7","1") = "9"
    & skf18("10","3","3","8","9","8","1") = "9"
    & skf18("10","3","3","8","9","9","1") = "9"
    & skf18("10","3","3","8","9","10","1") = "9"
    & skf18("10","3","3","8","10","1","1") = "9"
    & skf18("10","3","3","8","10","2","1") = "9"
    & skf18("10","3","3","8","10","3","1") = "9"
    & skf18("10","3","3","8","10","4","1") = "9"
    & skf18("10","3","3","8","10","5","1") = "9"
    & skf18("10","3","3","8","10","6","1") = "9"
    & skf18("10","3","3","8","10","7","1") = "9"
    & skf18("10","3","3","8","10","8","1") = "9"
    & skf18("10","3","3","8","10","9","1") = "9"
    & skf18("10","3","3","8","10","10","1") = "9"
    & skf18("10","3","3","9","1","1","1") = "9"
    & skf18("10","3","3","9","1","2","1") = "9"
    & skf18("10","3","3","9","1","3","1") = "9"
    & skf18("10","3","3","9","1","4","1") = "9"
    & skf18("10","3","3","9","1","5","1") = "9"
    & skf18("10","3","3","9","1","6","1") = "9"
    & skf18("10","3","3","9","1","7","1") = "9"
    & skf18("10","3","3","9","1","8","1") = "9"
    & skf18("10","3","3","9","1","9","1") = "9"
    & skf18("10","3","3","9","1","10","1") = "9"
    & skf18("10","3","3","9","2","1","1") = "9"
    & skf18("10","3","3","9","2","2","1") = "9"
    & skf18("10","3","3","9","2","3","1") = "9"
    & skf18("10","3","3","9","2","4","1") = "9"
    & skf18("10","3","3","9","2","5","1") = "9"
    & skf18("10","3","3","9","2","6","1") = "9"
    & skf18("10","3","3","9","2","7","1") = "9"
    & skf18("10","3","3","9","2","8","1") = "9"
    & skf18("10","3","3","9","2","9","1") = "9"
    & skf18("10","3","3","9","2","10","1") = "9"
    & skf18("10","3","3","9","3","1","1") = "9"
    & skf18("10","3","3","9","3","2","1") = "9"
    & skf18("10","3","3","9","3","3","1") = "9"
    & skf18("10","3","3","9","3","4","1") = "9"
    & skf18("10","3","3","9","3","5","1") = "9"
    & skf18("10","3","3","9","3","6","1") = "9"
    & skf18("10","3","3","9","3","7","1") = "9"
    & skf18("10","3","3","9","3","8","1") = "9"
    & skf18("10","3","3","9","3","9","1") = "9"
    & skf18("10","3","3","9","3","10","1") = "9"
    & skf18("10","3","3","9","4","1","1") = "9"
    & skf18("10","3","3","9","4","2","1") = "9"
    & skf18("10","3","3","9","4","3","1") = "9"
    & skf18("10","3","3","9","4","4","1") = "9"
    & skf18("10","3","3","9","4","5","1") = "9"
    & skf18("10","3","3","9","4","6","1") = "9"
    & skf18("10","3","3","9","4","7","1") = "9"
    & skf18("10","3","3","9","4","8","1") = "9"
    & skf18("10","3","3","9","4","9","1") = "9"
    & skf18("10","3","3","9","4","10","1") = "9"
    & skf18("10","3","3","9","5","1","1") = "9"
    & skf18("10","3","3","9","5","2","1") = "9"
    & skf18("10","3","3","9","5","3","1") = "9"
    & skf18("10","3","3","9","5","4","1") = "9"
    & skf18("10","3","3","9","5","5","1") = "9"
    & skf18("10","3","3","9","5","6","1") = "9"
    & skf18("10","3","3","9","5","7","1") = "9"
    & skf18("10","3","3","9","5","8","1") = "9"
    & skf18("10","3","3","9","5","9","1") = "9"
    & skf18("10","3","3","9","5","10","1") = "9"
    & skf18("10","3","3","9","6","1","1") = "9"
    & skf18("10","3","3","9","6","2","1") = "9"
    & skf18("10","3","3","9","6","3","1") = "9"
    & skf18("10","3","3","9","6","4","1") = "9"
    & skf18("10","3","3","9","6","5","1") = "9"
    & skf18("10","3","3","9","6","6","1") = "9"
    & skf18("10","3","3","9","6","7","1") = "9"
    & skf18("10","3","3","9","6","8","1") = "9"
    & skf18("10","3","3","9","6","9","1") = "9"
    & skf18("10","3","3","9","6","10","1") = "9"
    & skf18("10","3","3","9","7","1","1") = "9"
    & skf18("10","3","3","9","7","2","1") = "9"
    & skf18("10","3","3","9","7","3","1") = "9"
    & skf18("10","3","3","9","7","4","1") = "9"
    & skf18("10","3","3","9","7","5","1") = "9"
    & skf18("10","3","3","9","7","6","1") = "9"
    & skf18("10","3","3","9","7","7","1") = "9"
    & skf18("10","3","3","9","7","8","1") = "9"
    & skf18("10","3","3","9","7","9","1") = "9"
    & skf18("10","3","3","9","7","10","1") = "9"
    & skf18("10","3","3","9","8","1","1") = "9"
    & skf18("10","3","3","9","8","2","1") = "9"
    & skf18("10","3","3","9","8","3","1") = "9"
    & skf18("10","3","3","9","8","4","1") = "9"
    & skf18("10","3","3","9","8","5","1") = "9"
    & skf18("10","3","3","9","8","6","1") = "9"
    & skf18("10","3","3","9","8","7","1") = "9"
    & skf18("10","3","3","9","8","8","1") = "9"
    & skf18("10","3","3","9","8","9","1") = "9"
    & skf18("10","3","3","9","8","10","1") = "9"
    & skf18("10","3","3","9","9","1","1") = "9"
    & skf18("10","3","3","9","9","2","1") = "9"
    & skf18("10","3","3","9","9","3","1") = "9"
    & skf18("10","3","3","9","9","4","1") = "9"
    & skf18("10","3","3","9","9","5","1") = "9"
    & skf18("10","3","3","9","9","6","1") = "9"
    & skf18("10","3","3","9","9","7","1") = "9"
    & skf18("10","3","3","9","9","8","1") = "9"
    & skf18("10","3","3","9","9","9","1") = "9"
    & skf18("10","3","3","9","9","10","1") = "9"
    & skf18("10","3","3","9","10","1","1") = "9"
    & skf18("10","3","3","9","10","2","1") = "9"
    & skf18("10","3","3","9","10","3","1") = "9"
    & skf18("10","3","3","9","10","4","1") = "9"
    & skf18("10","3","3","9","10","5","1") = "9"
    & skf18("10","3","3","9","10","6","1") = "9"
    & skf18("10","3","3","9","10","7","1") = "9"
    & skf18("10","3","3","9","10","8","1") = "9"
    & skf18("10","3","3","9","10","9","1") = "9"
    & skf18("10","3","3","9","10","10","1") = "9"
    & skf18("10","3","3","10","1","1","1") = "9"
    & skf18("10","3","3","10","1","2","1") = "9"
    & skf18("10","3","3","10","1","3","1") = "9"
    & skf18("10","3","3","10","1","4","1") = "9"
    & skf18("10","3","3","10","1","5","1") = "9"
    & skf18("10","3","3","10","1","6","1") = "9"
    & skf18("10","3","3","10","1","7","1") = "9"
    & skf18("10","3","3","10","1","8","1") = "9"
    & skf18("10","3","3","10","1","9","1") = "9"
    & skf18("10","3","3","10","1","10","1") = "9"
    & skf18("10","3","3","10","2","1","1") = "9"
    & skf18("10","3","3","10","2","2","1") = "9"
    & skf18("10","3","3","10","2","3","1") = "9"
    & skf18("10","3","3","10","2","4","1") = "9"
    & skf18("10","3","3","10","2","5","1") = "9"
    & skf18("10","3","3","10","2","6","1") = "9"
    & skf18("10","3","3","10","2","7","1") = "9"
    & skf18("10","3","3","10","2","8","1") = "9"
    & skf18("10","3","3","10","2","9","1") = "9"
    & skf18("10","3","3","10","2","10","1") = "9"
    & skf18("10","3","3","10","3","1","1") = "9"
    & skf18("10","3","3","10","3","2","1") = "9"
    & skf18("10","3","3","10","3","3","1") = "9"
    & skf18("10","3","3","10","3","4","1") = "9"
    & skf18("10","3","3","10","3","5","1") = "9"
    & skf18("10","3","3","10","3","6","1") = "9"
    & skf18("10","3","3","10","3","7","1") = "9"
    & skf18("10","3","3","10","3","8","1") = "9"
    & skf18("10","3","3","10","3","9","1") = "9"
    & skf18("10","3","3","10","3","10","1") = "9"
    & skf18("10","3","3","10","4","1","1") = "9"
    & skf18("10","3","3","10","4","2","1") = "9"
    & skf18("10","3","3","10","4","3","1") = "9"
    & skf18("10","3","3","10","4","4","1") = "9"
    & skf18("10","3","3","10","4","5","1") = "9"
    & skf18("10","3","3","10","4","6","1") = "9"
    & skf18("10","3","3","10","4","7","1") = "9"
    & skf18("10","3","3","10","4","8","1") = "9"
    & skf18("10","3","3","10","4","9","1") = "9"
    & skf18("10","3","3","10","4","10","1") = "9"
    & skf18("10","3","3","10","5","1","1") = "9"
    & skf18("10","3","3","10","5","2","1") = "9"
    & skf18("10","3","3","10","5","3","1") = "9"
    & skf18("10","3","3","10","5","4","1") = "9"
    & skf18("10","3","3","10","5","5","1") = "9"
    & skf18("10","3","3","10","5","6","1") = "9"
    & skf18("10","3","3","10","5","7","1") = "9"
    & skf18("10","3","3","10","5","8","1") = "9"
    & skf18("10","3","3","10","5","9","1") = "9"
    & skf18("10","3","3","10","5","10","1") = "9"
    & skf18("10","3","3","10","6","1","1") = "9"
    & skf18("10","3","3","10","6","2","1") = "9"
    & skf18("10","3","3","10","6","3","1") = "9"
    & skf18("10","3","3","10","6","4","1") = "9"
    & skf18("10","3","3","10","6","5","1") = "9"
    & skf18("10","3","3","10","6","6","1") = "9"
    & skf18("10","3","3","10","6","7","1") = "9"
    & skf18("10","3","3","10","6","8","1") = "9"
    & skf18("10","3","3","10","6","9","1") = "9"
    & skf18("10","3","3","10","6","10","1") = "9"
    & skf18("10","3","3","10","7","1","1") = "9"
    & skf18("10","3","3","10","7","2","1") = "9"
    & skf18("10","3","3","10","7","3","1") = "9"
    & skf18("10","3","3","10","7","4","1") = "9"
    & skf18("10","3","3","10","7","5","1") = "9"
    & skf18("10","3","3","10","7","6","1") = "9"
    & skf18("10","3","3","10","7","7","1") = "9"
    & skf18("10","3","3","10","7","8","1") = "9"
    & skf18("10","3","3","10","7","9","1") = "9"
    & skf18("10","3","3","10","7","10","1") = "9"
    & skf18("10","3","3","10","8","1","1") = "9"
    & skf18("10","3","3","10","8","2","1") = "9"
    & skf18("10","3","3","10","8","3","1") = "9"
    & skf18("10","3","3","10","8","4","1") = "9"
    & skf18("10","3","3","10","8","5","1") = "9"
    & skf18("10","3","3","10","8","6","1") = "9"
    & skf18("10","3","3","10","8","7","1") = "9"
    & skf18("10","3","3","10","8","8","1") = "9"
    & skf18("10","3","3","10","8","9","1") = "9"
    & skf18("10","3","3","10","8","10","1") = "9"
    & skf18("10","3","3","10","9","1","1") = "9"
    & skf18("10","3","3","10","9","2","1") = "9"
    & skf18("10","3","3","10","9","3","1") = "9"
    & skf18("10","3","3","10","9","4","1") = "9"
    & skf18("10","3","3","10","9","5","1") = "9"
    & skf18("10","3","3","10","9","6","1") = "9"
    & skf18("10","3","3","10","9","7","1") = "9"
    & skf18("10","3","3","10","9","8","1") = "9"
    & skf18("10","3","3","10","9","9","1") = "9"
    & skf18("10","3","3","10","9","10","1") = "9"
    & skf18("10","3","3","10","10","1","1") = "9"
    & skf18("10","3","3","10","10","2","1") = "9"
    & skf18("10","3","3","10","10","3","1") = "9"
    & skf18("10","3","3","10","10","4","1") = "9"
    & skf18("10","3","3","10","10","5","1") = "9"
    & skf18("10","3","3","10","10","6","1") = "9"
    & skf18("10","3","3","10","10","7","1") = "9"
    & skf18("10","3","3","10","10","8","1") = "9"
    & skf18("10","3","3","10","10","9","1") = "9"
    & skf18("10","3","3","10","10","10","1") = "9"
    & skf18("10","3","4","1","1","1","1") = "9"
    & skf18("10","3","4","1","1","2","1") = "9"
    & skf18("10","3","4","1","1","3","1") = "9"
    & skf18("10","3","4","1","1","4","1") = "9"
    & skf18("10","3","4","1","1","5","1") = "9"
    & skf18("10","3","4","1","1","6","1") = "9"
    & skf18("10","3","4","1","1","7","1") = "9"
    & skf18("10","3","4","1","1","8","1") = "9"
    & skf18("10","3","4","1","1","9","1") = "9"
    & skf18("10","3","4","1","1","10","1") = "9"
    & skf18("10","3","4","1","2","1","1") = "9"
    & skf18("10","3","4","1","2","2","1") = "9"
    & skf18("10","3","4","1","2","3","1") = "9"
    & skf18("10","3","4","1","2","4","1") = "9"
    & skf18("10","3","4","1","2","5","1") = "9"
    & skf18("10","3","4","1","2","6","1") = "9"
    & skf18("10","3","4","1","2","7","1") = "9"
    & skf18("10","3","4","1","2","8","1") = "9"
    & skf18("10","3","4","1","2","9","1") = "9"
    & skf18("10","3","4","1","2","10","1") = "9"
    & skf18("10","3","4","1","3","1","1") = "9"
    & skf18("10","3","4","1","3","2","1") = "9"
    & skf18("10","3","4","1","3","3","1") = "9"
    & skf18("10","3","4","1","3","4","1") = "9"
    & skf18("10","3","4","1","3","5","1") = "9"
    & skf18("10","3","4","1","3","6","1") = "9"
    & skf18("10","3","4","1","3","7","1") = "9"
    & skf18("10","3","4","1","3","8","1") = "9"
    & skf18("10","3","4","1","3","9","1") = "9"
    & skf18("10","3","4","1","3","10","1") = "9"
    & skf18("10","3","4","1","4","1","1") = "9"
    & skf18("10","3","4","1","4","2","1") = "9"
    & skf18("10","3","4","1","4","3","1") = "9"
    & skf18("10","3","4","1","4","4","1") = "9"
    & skf18("10","3","4","1","4","5","1") = "9"
    & skf18("10","3","4","1","4","6","1") = "9"
    & skf18("10","3","4","1","4","7","1") = "9"
    & skf18("10","3","4","1","4","8","1") = "9"
    & skf18("10","3","4","1","4","9","1") = "9"
    & skf18("10","3","4","1","4","10","1") = "9"
    & skf18("10","3","4","1","5","1","1") = "9"
    & skf18("10","3","4","1","5","2","1") = "9"
    & skf18("10","3","4","1","5","3","1") = "9"
    & skf18("10","3","4","1","5","4","1") = "9"
    & skf18("10","3","4","1","5","5","1") = "9"
    & skf18("10","3","4","1","5","6","1") = "9"
    & skf18("10","3","4","1","5","7","1") = "9"
    & skf18("10","3","4","1","5","8","1") = "9"
    & skf18("10","3","4","1","5","9","1") = "9"
    & skf18("10","3","4","1","5","10","1") = "9"
    & skf18("10","3","4","1","6","1","1") = "9"
    & skf18("10","3","4","1","6","2","1") = "9"
    & skf18("10","3","4","1","6","3","1") = "9"
    & skf18("10","3","4","1","6","4","1") = "9"
    & skf18("10","3","4","1","6","5","1") = "9"
    & skf18("10","3","4","1","6","6","1") = "9"
    & skf18("10","3","4","1","6","7","1") = "9"
    & skf18("10","3","4","1","6","8","1") = "9"
    & skf18("10","3","4","1","6","9","1") = "9"
    & skf18("10","3","4","1","6","10","1") = "9"
    & skf18("10","3","4","1","7","1","1") = "9"
    & skf18("10","3","4","1","7","2","1") = "9"
    & skf18("10","3","4","1","7","3","1") = "9"
    & skf18("10","3","4","1","7","4","1") = "9"
    & skf18("10","3","4","1","7","5","1") = "9"
    & skf18("10","3","4","1","7","6","1") = "9"
    & skf18("10","3","4","1","7","7","1") = "9"
    & skf18("10","3","4","1","7","8","1") = "9"
    & skf18("10","3","4","1","7","9","1") = "9"
    & skf18("10","3","4","1","7","10","1") = "9"
    & skf18("10","3","4","1","8","1","1") = "9"
    & skf18("10","3","4","1","8","2","1") = "9"
    & skf18("10","3","4","1","8","3","1") = "9"
    & skf18("10","3","4","1","8","4","1") = "9"
    & skf18("10","3","4","1","8","5","1") = "9"
    & skf18("10","3","4","1","8","6","1") = "9"
    & skf18("10","3","4","1","8","7","1") = "9"
    & skf18("10","3","4","1","8","8","1") = "9"
    & skf18("10","3","4","1","8","9","1") = "9"
    & skf18("10","3","4","1","8","10","1") = "9"
    & skf18("10","3","4","1","9","1","1") = "9"
    & skf18("10","3","4","1","9","2","1") = "9"
    & skf18("10","3","4","1","9","3","1") = "9"
    & skf18("10","3","4","1","9","4","1") = "9"
    & skf18("10","3","4","1","9","5","1") = "9"
    & skf18("10","3","4","1","9","6","1") = "9"
    & skf18("10","3","4","1","9","7","1") = "9"
    & skf18("10","3","4","1","9","8","1") = "9"
    & skf18("10","3","4","1","9","9","1") = "9"
    & skf18("10","3","4","1","9","10","1") = "9"
    & skf18("10","3","4","1","10","1","1") = "9"
    & skf18("10","3","4","1","10","2","1") = "9"
    & skf18("10","3","4","1","10","3","1") = "9"
    & skf18("10","3","4","1","10","4","1") = "9"
    & skf18("10","3","4","1","10","5","1") = "9"
    & skf18("10","3","4","1","10","6","1") = "9"
    & skf18("10","3","4","1","10","7","1") = "9"
    & skf18("10","3","4","1","10","8","1") = "9"
    & skf18("10","3","4","1","10","9","1") = "9"
    & skf18("10","3","4","1","10","10","1") = "9"
    & skf18("10","3","4","2","1","1","1") = "9"
    & skf18("10","3","4","2","1","2","1") = "9"
    & skf18("10","3","4","2","1","3","1") = "9"
    & skf18("10","3","4","2","1","4","1") = "9"
    & skf18("10","3","4","2","1","5","1") = "9"
    & skf18("10","3","4","2","1","6","1") = "9"
    & skf18("10","3","4","2","1","7","1") = "9"
    & skf18("10","3","4","2","1","8","1") = "9"
    & skf18("10","3","4","2","1","9","1") = "9"
    & skf18("10","3","4","2","1","10","1") = "9"
    & skf18("10","3","4","2","2","1","1") = "9"
    & skf18("10","3","4","2","2","2","1") = "9"
    & skf18("10","3","4","2","2","3","1") = "9"
    & skf18("10","3","4","2","2","4","1") = "9"
    & skf18("10","3","4","2","2","5","1") = "9"
    & skf18("10","3","4","2","2","6","1") = "9"
    & skf18("10","3","4","2","2","7","1") = "9"
    & skf18("10","3","4","2","2","8","1") = "9"
    & skf18("10","3","4","2","2","9","1") = "9"
    & skf18("10","3","4","2","2","10","1") = "9"
    & skf18("10","3","4","2","3","1","1") = "9"
    & skf18("10","3","4","2","3","2","1") = "9"
    & skf18("10","3","4","2","3","3","1") = "9"
    & skf18("10","3","4","2","3","4","1") = "9"
    & skf18("10","3","4","2","3","5","1") = "9"
    & skf18("10","3","4","2","3","6","1") = "9"
    & skf18("10","3","4","2","3","7","1") = "9"
    & skf18("10","3","4","2","3","8","1") = "9"
    & skf18("10","3","4","2","3","9","1") = "9"
    & skf18("10","3","4","2","3","10","1") = "9"
    & skf18("10","3","4","2","4","1","1") = "9"
    & skf18("10","3","4","2","4","2","1") = "9"
    & skf18("10","3","4","2","4","3","1") = "9"
    & skf18("10","3","4","2","4","4","1") = "9"
    & skf18("10","3","4","2","4","5","1") = "9"
    & skf18("10","3","4","2","4","6","1") = "9"
    & skf18("10","3","4","2","4","7","1") = "9"
    & skf18("10","3","4","2","4","8","1") = "9"
    & skf18("10","3","4","2","4","9","1") = "9"
    & skf18("10","3","4","2","4","10","1") = "9"
    & skf18("10","3","4","2","5","1","1") = "9"
    & skf18("10","3","4","2","5","2","1") = "9"
    & skf18("10","3","4","2","5","3","1") = "9"
    & skf18("10","3","4","2","5","4","1") = "9"
    & skf18("10","3","4","2","5","5","1") = "9"
    & skf18("10","3","4","2","5","6","1") = "9"
    & skf18("10","3","4","2","5","7","1") = "9"
    & skf18("10","3","4","2","5","8","1") = "9"
    & skf18("10","3","4","2","5","9","1") = "9"
    & skf18("10","3","4","2","5","10","1") = "9"
    & skf18("10","3","4","2","6","1","1") = "9"
    & skf18("10","3","4","2","6","2","1") = "9"
    & skf18("10","3","4","2","6","3","1") = "9"
    & skf18("10","3","4","2","6","4","1") = "9"
    & skf18("10","3","4","2","6","5","1") = "9"
    & skf18("10","3","4","2","6","6","1") = "9"
    & skf18("10","3","4","2","6","7","1") = "9"
    & skf18("10","3","4","2","6","8","1") = "9"
    & skf18("10","3","4","2","6","9","1") = "9"
    & skf18("10","3","4","2","6","10","1") = "9"
    & skf18("10","3","4","2","7","1","1") = "9"
    & skf18("10","3","4","2","7","2","1") = "9"
    & skf18("10","3","4","2","7","3","1") = "9"
    & skf18("10","3","4","2","7","4","1") = "9"
    & skf18("10","3","4","2","7","5","1") = "9"
    & skf18("10","3","4","2","7","6","1") = "9"
    & skf18("10","3","4","2","7","7","1") = "9"
    & skf18("10","3","4","2","7","8","1") = "9"
    & skf18("10","3","4","2","7","9","1") = "9"
    & skf18("10","3","4","2","7","10","1") = "9"
    & skf18("10","3","4","2","8","1","1") = "9"
    & skf18("10","3","4","2","8","2","1") = "9"
    & skf18("10","3","4","2","8","3","1") = "9"
    & skf18("10","3","4","2","8","4","1") = "9"
    & skf18("10","3","4","2","8","5","1") = "9"
    & skf18("10","3","4","2","8","6","1") = "9"
    & skf18("10","3","4","2","8","7","1") = "9"
    & skf18("10","3","4","2","8","8","1") = "9"
    & skf18("10","3","4","2","8","9","1") = "9"
    & skf18("10","3","4","2","8","10","1") = "9"
    & skf18("10","3","4","2","9","1","1") = "9"
    & skf18("10","3","4","2","9","2","1") = "9"
    & skf18("10","3","4","2","9","3","1") = "9"
    & skf18("10","3","4","2","9","4","1") = "9"
    & skf18("10","3","4","2","9","5","1") = "9"
    & skf18("10","3","4","2","9","6","1") = "9"
    & skf18("10","3","4","2","9","7","1") = "9"
    & skf18("10","3","4","2","9","8","1") = "9"
    & skf18("10","3","4","2","9","9","1") = "9"
    & skf18("10","3","4","2","9","10","1") = "9"
    & skf18("10","3","4","2","10","1","1") = "9"
    & skf18("10","3","4","2","10","2","1") = "9"
    & skf18("10","3","4","2","10","3","1") = "9"
    & skf18("10","3","4","2","10","4","1") = "9"
    & skf18("10","3","4","2","10","5","1") = "9"
    & skf18("10","3","4","2","10","6","1") = "9"
    & skf18("10","3","4","2","10","7","1") = "9"
    & skf18("10","3","4","2","10","8","1") = "9"
    & skf18("10","3","4","2","10","9","1") = "9"
    & skf18("10","3","4","2","10","10","1") = "9"
    & skf18("10","3","4","3","1","1","1") = "9"
    & skf18("10","3","4","3","1","2","1") = "9"
    & skf18("10","3","4","3","1","3","1") = "9"
    & skf18("10","3","4","3","1","4","1") = "9"
    & skf18("10","3","4","3","1","5","1") = "9"
    & skf18("10","3","4","3","1","6","1") = "9"
    & skf18("10","3","4","3","1","7","1") = "9"
    & skf18("10","3","4","3","1","8","1") = "9"
    & skf18("10","3","4","3","1","9","1") = "9"
    & skf18("10","3","4","3","1","10","1") = "9"
    & skf18("10","3","4","3","2","1","1") = "9"
    & skf18("10","3","4","3","2","2","1") = "9"
    & skf18("10","3","4","3","2","3","1") = "9"
    & skf18("10","3","4","3","2","4","1") = "9"
    & skf18("10","3","4","3","2","5","1") = "9"
    & skf18("10","3","4","3","2","6","1") = "9"
    & skf18("10","3","4","3","2","7","1") = "9"
    & skf18("10","3","4","3","2","8","1") = "9"
    & skf18("10","3","4","3","2","9","1") = "9"
    & skf18("10","3","4","3","2","10","1") = "9"
    & skf18("10","3","4","3","3","1","1") = "9"
    & skf18("10","3","4","3","3","2","1") = "9"
    & skf18("10","3","4","3","3","3","1") = "9"
    & skf18("10","3","4","3","3","4","1") = "9"
    & skf18("10","3","4","3","3","5","1") = "9"
    & skf18("10","3","4","3","3","6","1") = "9"
    & skf18("10","3","4","3","3","7","1") = "9"
    & skf18("10","3","4","3","3","8","1") = "9"
    & skf18("10","3","4","3","3","9","1") = "9"
    & skf18("10","3","4","3","3","10","1") = "9"
    & skf18("10","3","4","3","4","1","1") = "9"
    & skf18("10","3","4","3","4","2","1") = "9"
    & skf18("10","3","4","3","4","3","1") = "9"
    & skf18("10","3","4","3","4","4","1") = "9"
    & skf18("10","3","4","3","4","5","1") = "9"
    & skf18("10","3","4","3","4","6","1") = "9"
    & skf18("10","3","4","3","4","7","1") = "9"
    & skf18("10","3","4","3","4","8","1") = "9"
    & skf18("10","3","4","3","4","9","1") = "9"
    & skf18("10","3","4","3","4","10","1") = "9"
    & skf18("10","3","4","3","5","1","1") = "9"
    & skf18("10","3","4","3","5","2","1") = "9"
    & skf18("10","3","4","3","5","3","1") = "9"
    & skf18("10","3","4","3","5","4","1") = "9"
    & skf18("10","3","4","3","5","5","1") = "9"
    & skf18("10","3","4","3","5","6","1") = "9"
    & skf18("10","3","4","3","5","7","1") = "9"
    & skf18("10","3","4","3","5","8","1") = "9"
    & skf18("10","3","4","3","5","9","1") = "9"
    & skf18("10","3","4","3","5","10","1") = "9"
    & skf18("10","3","4","3","6","1","1") = "9"
    & skf18("10","3","4","3","6","2","1") = "9"
    & skf18("10","3","4","3","6","3","1") = "9"
    & skf18("10","3","4","3","6","4","1") = "9"
    & skf18("10","3","4","3","6","5","1") = "9"
    & skf18("10","3","4","3","6","6","1") = "9"
    & skf18("10","3","4","3","6","7","1") = "9"
    & skf18("10","3","4","3","6","8","1") = "9"
    & skf18("10","3","4","3","6","9","1") = "9"
    & skf18("10","3","4","3","6","10","1") = "9"
    & skf18("10","3","4","3","7","1","1") = "9"
    & skf18("10","3","4","3","7","2","1") = "9"
    & skf18("10","3","4","3","7","3","1") = "9"
    & skf18("10","3","4","3","7","4","1") = "9"
    & skf18("10","3","4","3","7","5","1") = "9"
    & skf18("10","3","4","3","7","6","1") = "9"
    & skf18("10","3","4","3","7","7","1") = "9"
    & skf18("10","3","4","3","7","8","1") = "9"
    & skf18("10","3","4","3","7","9","1") = "9"
    & skf18("10","3","4","3","7","10","1") = "9"
    & skf18("10","3","4","3","8","1","1") = "9"
    & skf18("10","3","4","3","8","2","1") = "9"
    & skf18("10","3","4","3","8","3","1") = "9"
    & skf18("10","3","4","3","8","4","1") = "9"
    & skf18("10","3","4","3","8","5","1") = "9"
    & skf18("10","3","4","3","8","6","1") = "9"
    & skf18("10","3","4","3","8","7","1") = "9"
    & skf18("10","3","4","3","8","8","1") = "9"
    & skf18("10","3","4","3","8","9","1") = "9"
    & skf18("10","3","4","3","8","10","1") = "9"
    & skf18("10","3","4","3","9","1","1") = "9"
    & skf18("10","3","4","3","9","2","1") = "9"
    & skf18("10","3","4","3","9","3","1") = "9"
    & skf18("10","3","4","3","9","4","1") = "9"
    & skf18("10","3","4","3","9","5","1") = "9"
    & skf18("10","3","4","3","9","6","1") = "9"
    & skf18("10","3","4","3","9","7","1") = "9"
    & skf18("10","3","4","3","9","8","1") = "9"
    & skf18("10","3","4","3","9","9","1") = "9"
    & skf18("10","3","4","3","9","10","1") = "9"
    & skf18("10","3","4","3","10","1","1") = "9"
    & skf18("10","3","4","3","10","2","1") = "9"
    & skf18("10","3","4","3","10","3","1") = "9"
    & skf18("10","3","4","3","10","4","1") = "9"
    & skf18("10","3","4","3","10","5","1") = "9"
    & skf18("10","3","4","3","10","6","1") = "9"
    & skf18("10","3","4","3","10","7","1") = "9"
    & skf18("10","3","4","3","10","8","1") = "9"
    & skf18("10","3","4","3","10","9","1") = "9"
    & skf18("10","3","4","3","10","10","1") = "9"
    & skf18("10","3","4","4","1","1","1") = "9"
    & skf18("10","3","4","4","1","2","1") = "9"
    & skf18("10","3","4","4","1","3","1") = "9"
    & skf18("10","3","4","4","1","4","1") = "9"
    & skf18("10","3","4","4","1","5","1") = "9"
    & skf18("10","3","4","4","1","6","1") = "9"
    & skf18("10","3","4","4","1","7","1") = "9"
    & skf18("10","3","4","4","1","8","1") = "9"
    & skf18("10","3","4","4","1","9","1") = "9"
    & skf18("10","3","4","4","1","10","1") = "9"
    & skf18("10","3","4","4","2","1","1") = "9"
    & skf18("10","3","4","4","2","2","1") = "9"
    & skf18("10","3","4","4","2","3","1") = "9"
    & skf18("10","3","4","4","2","4","1") = "9"
    & skf18("10","3","4","4","2","5","1") = "9"
    & skf18("10","3","4","4","2","6","1") = "9"
    & skf18("10","3","4","4","2","7","1") = "9"
    & skf18("10","3","4","4","2","8","1") = "9"
    & skf18("10","3","4","4","2","9","1") = "9"
    & skf18("10","3","4","4","2","10","1") = "9"
    & skf18("10","3","4","4","3","1","1") = "9"
    & skf18("10","3","4","4","3","2","1") = "9"
    & skf18("10","3","4","4","3","3","1") = "9"
    & skf18("10","3","4","4","3","4","1") = "9"
    & skf18("10","3","4","4","3","5","1") = "9"
    & skf18("10","3","4","4","3","6","1") = "9"
    & skf18("10","3","4","4","3","7","1") = "9"
    & skf18("10","3","4","4","3","8","1") = "9"
    & skf18("10","3","4","4","3","9","1") = "9"
    & skf18("10","3","4","4","3","10","1") = "9"
    & skf18("10","3","4","4","4","1","1") = "9"
    & skf18("10","3","4","4","4","2","1") = "9"
    & skf18("10","3","4","4","4","3","1") = "9"
    & skf18("10","3","4","4","4","4","1") = "9"
    & skf18("10","3","4","4","4","5","1") = "9"
    & skf18("10","3","4","4","4","6","1") = "9"
    & skf18("10","3","4","4","4","7","1") = "9"
    & skf18("10","3","4","4","4","8","1") = "9"
    & skf18("10","3","4","4","4","9","1") = "9"
    & skf18("10","3","4","4","4","10","1") = "9"
    & skf18("10","3","4","4","5","1","1") = "9"
    & skf18("10","3","4","4","5","2","1") = "9"
    & skf18("10","3","4","4","5","3","1") = "9"
    & skf18("10","3","4","4","5","4","1") = "9"
    & skf18("10","3","4","4","5","5","1") = "9"
    & skf18("10","3","4","4","5","6","1") = "9"
    & skf18("10","3","4","4","5","7","1") = "9"
    & skf18("10","3","4","4","5","8","1") = "9"
    & skf18("10","3","4","4","5","9","1") = "9"
    & skf18("10","3","4","4","5","10","1") = "9"
    & skf18("10","3","4","4","6","1","1") = "9"
    & skf18("10","3","4","4","6","2","1") = "9"
    & skf18("10","3","4","4","6","3","1") = "9"
    & skf18("10","3","4","4","6","4","1") = "9"
    & skf18("10","3","4","4","6","5","1") = "9"
    & skf18("10","3","4","4","6","6","1") = "9"
    & skf18("10","3","4","4","6","7","1") = "9"
    & skf18("10","3","4","4","6","8","1") = "9"
    & skf18("10","3","4","4","6","9","1") = "9"
    & skf18("10","3","4","4","6","10","1") = "9"
    & skf18("10","3","4","4","7","1","1") = "9"
    & skf18("10","3","4","4","7","2","1") = "9"
    & skf18("10","3","4","4","7","3","1") = "9"
    & skf18("10","3","4","4","7","4","1") = "9"
    & skf18("10","3","4","4","7","5","1") = "9"
    & skf18("10","3","4","4","7","6","1") = "9"
    & skf18("10","3","4","4","7","7","1") = "9"
    & skf18("10","3","4","4","7","8","1") = "9"
    & skf18("10","3","4","4","7","9","1") = "9"
    & skf18("10","3","4","4","7","10","1") = "9"
    & skf18("10","3","4","4","8","1","1") = "9"
    & skf18("10","3","4","4","8","2","1") = "9"
    & skf18("10","3","4","4","8","3","1") = "9"
    & skf18("10","3","4","4","8","4","1") = "9"
    & skf18("10","3","4","4","8","5","1") = "9"
    & skf18("10","3","4","4","8","6","1") = "9"
    & skf18("10","3","4","4","8","7","1") = "9"
    & skf18("10","3","4","4","8","8","1") = "9"
    & skf18("10","3","4","4","8","9","1") = "9"
    & skf18("10","3","4","4","8","10","1") = "9"
    & skf18("10","3","4","4","9","1","1") = "9"
    & skf18("10","3","4","4","9","2","1") = "9"
    & skf18("10","3","4","4","9","3","1") = "9"
    & skf18("10","3","4","4","9","4","1") = "9"
    & skf18("10","3","4","4","9","5","1") = "9"
    & skf18("10","3","4","4","9","6","1") = "9"
    & skf18("10","3","4","4","9","7","1") = "9"
    & skf18("10","3","4","4","9","8","1") = "9"
    & skf18("10","3","4","4","9","9","1") = "9"
    & skf18("10","3","4","4","9","10","1") = "9"
    & skf18("10","3","4","4","10","1","1") = "9"
    & skf18("10","3","4","4","10","2","1") = "9"
    & skf18("10","3","4","4","10","3","1") = "9"
    & skf18("10","3","4","4","10","4","1") = "9"
    & skf18("10","3","4","4","10","5","1") = "9"
    & skf18("10","3","4","4","10","6","1") = "9"
    & skf18("10","3","4","4","10","7","1") = "9"
    & skf18("10","3","4","4","10","8","1") = "9"
    & skf18("10","3","4","4","10","9","1") = "9"
    & skf18("10","3","4","4","10","10","1") = "9"
    & skf18("10","3","4","5","1","1","1") = "9"
    & skf18("10","3","4","5","1","2","1") = "9"
    & skf18("10","3","4","5","1","3","1") = "9"
    & skf18("10","3","4","5","1","4","1") = "9"
    & skf18("10","3","4","5","1","5","1") = "9"
    & skf18("10","3","4","5","1","6","1") = "9"
    & skf18("10","3","4","5","1","7","1") = "9"
    & skf18("10","3","4","5","1","8","1") = "9"
    & skf18("10","3","4","5","1","9","1") = "9"
    & skf18("10","3","4","5","1","10","1") = "9"
    & skf18("10","3","4","5","2","1","1") = "9"
    & skf18("10","3","4","5","2","2","1") = "9"
    & skf18("10","3","4","5","2","3","1") = "9"
    & skf18("10","3","4","5","2","4","1") = "9"
    & skf18("10","3","4","5","2","5","1") = "9"
    & skf18("10","3","4","5","2","6","1") = "9"
    & skf18("10","3","4","5","2","7","1") = "9"
    & skf18("10","3","4","5","2","8","1") = "9"
    & skf18("10","3","4","5","2","9","1") = "9"
    & skf18("10","3","4","5","2","10","1") = "9"
    & skf18("10","3","4","5","3","1","1") = "9"
    & skf18("10","3","4","5","3","2","1") = "9"
    & skf18("10","3","4","5","3","3","1") = "9"
    & skf18("10","3","4","5","3","4","1") = "9"
    & skf18("10","3","4","5","3","5","1") = "9"
    & skf18("10","3","4","5","3","6","1") = "9"
    & skf18("10","3","4","5","3","7","1") = "9"
    & skf18("10","3","4","5","3","8","1") = "9"
    & skf18("10","3","4","5","3","9","1") = "9"
    & skf18("10","3","4","5","3","10","1") = "9"
    & skf18("10","3","4","5","4","1","1") = "9"
    & skf18("10","3","4","5","4","2","1") = "9"
    & skf18("10","3","4","5","4","3","1") = "9"
    & skf18("10","3","4","5","4","4","1") = "9"
    & skf18("10","3","4","5","4","5","1") = "9"
    & skf18("10","3","4","5","4","6","1") = "9"
    & skf18("10","3","4","5","4","7","1") = "9"
    & skf18("10","3","4","5","4","8","1") = "9"
    & skf18("10","3","4","5","4","9","1") = "9"
    & skf18("10","3","4","5","4","10","1") = "9"
    & skf18("10","3","4","5","5","1","1") = "9"
    & skf18("10","3","4","5","5","2","1") = "9"
    & skf18("10","3","4","5","5","3","1") = "9"
    & skf18("10","3","4","5","5","4","1") = "9"
    & skf18("10","3","4","5","5","5","1") = "9"
    & skf18("10","3","4","5","5","6","1") = "9"
    & skf18("10","3","4","5","5","7","1") = "9"
    & skf18("10","3","4","5","5","8","1") = "9"
    & skf18("10","3","4","5","5","9","1") = "9"
    & skf18("10","3","4","5","5","10","1") = "9"
    & skf18("10","3","4","5","6","1","1") = "9"
    & skf18("10","3","4","5","6","2","1") = "9"
    & skf18("10","3","4","5","6","3","1") = "9"
    & skf18("10","3","4","5","6","4","1") = "9"
    & skf18("10","3","4","5","6","5","1") = "9"
    & skf18("10","3","4","5","6","6","1") = "9"
    & skf18("10","3","4","5","6","7","1") = "9"
    & skf18("10","3","4","5","6","8","1") = "9"
    & skf18("10","3","4","5","6","9","1") = "9"
    & skf18("10","3","4","5","6","10","1") = "9"
    & skf18("10","3","4","5","7","1","1") = "9"
    & skf18("10","3","4","5","7","2","1") = "9"
    & skf18("10","3","4","5","7","3","1") = "9"
    & skf18("10","3","4","5","7","4","1") = "9"
    & skf18("10","3","4","5","7","5","1") = "9"
    & skf18("10","3","4","5","7","6","1") = "9"
    & skf18("10","3","4","5","7","7","1") = "9"
    & skf18("10","3","4","5","7","8","1") = "9"
    & skf18("10","3","4","5","7","9","1") = "9"
    & skf18("10","3","4","5","7","10","1") = "9"
    & skf18("10","3","4","5","8","1","1") = "9"
    & skf18("10","3","4","5","8","2","1") = "9"
    & skf18("10","3","4","5","8","3","1") = "9"
    & skf18("10","3","4","5","8","4","1") = "9"
    & skf18("10","3","4","5","8","5","1") = "9"
    & skf18("10","3","4","5","8","6","1") = "9"
    & skf18("10","3","4","5","8","7","1") = "9"
    & skf18("10","3","4","5","8","8","1") = "9"
    & skf18("10","3","4","5","8","9","1") = "9"
    & skf18("10","3","4","5","8","10","1") = "9"
    & skf18("10","3","4","5","9","1","1") = "9"
    & skf18("10","3","4","5","9","2","1") = "9"
    & skf18("10","3","4","5","9","3","1") = "9"
    & skf18("10","3","4","5","9","4","1") = "9"
    & skf18("10","3","4","5","9","5","1") = "9"
    & skf18("10","3","4","5","9","6","1") = "9"
    & skf18("10","3","4","5","9","7","1") = "9"
    & skf18("10","3","4","5","9","8","1") = "9"
    & skf18("10","3","4","5","9","9","1") = "9"
    & skf18("10","3","4","5","9","10","1") = "9"
    & skf18("10","3","4","5","10","1","1") = "9"
    & skf18("10","3","4","5","10","2","1") = "9"
    & skf18("10","3","4","5","10","3","1") = "9"
    & skf18("10","3","4","5","10","4","1") = "9"
    & skf18("10","3","4","5","10","5","1") = "9"
    & skf18("10","3","4","5","10","6","1") = "9"
    & skf18("10","3","4","5","10","7","1") = "9"
    & skf18("10","3","4","5","10","8","1") = "9"
    & skf18("10","3","4","5","10","9","1") = "9"
    & skf18("10","3","4","5","10","10","1") = "9"
    & skf18("10","3","4","6","1","1","1") = "9"
    & skf18("10","3","4","6","1","2","1") = "9"
    & skf18("10","3","4","6","1","3","1") = "9"
    & skf18("10","3","4","6","1","4","1") = "9"
    & skf18("10","3","4","6","1","5","1") = "9"
    & skf18("10","3","4","6","1","6","1") = "9"
    & skf18("10","3","4","6","1","7","1") = "9"
    & skf18("10","3","4","6","1","8","1") = "9"
    & skf18("10","3","4","6","1","9","1") = "9"
    & skf18("10","3","4","6","1","10","1") = "9"
    & skf18("10","3","4","6","2","1","1") = "9"
    & skf18("10","3","4","6","2","2","1") = "9"
    & skf18("10","3","4","6","2","3","1") = "9"
    & skf18("10","3","4","6","2","4","1") = "9"
    & skf18("10","3","4","6","2","5","1") = "9"
    & skf18("10","3","4","6","2","6","1") = "9"
    & skf18("10","3","4","6","2","7","1") = "9"
    & skf18("10","3","4","6","2","8","1") = "9"
    & skf18("10","3","4","6","2","9","1") = "9"
    & skf18("10","3","4","6","2","10","1") = "9"
    & skf18("10","3","4","6","3","1","1") = "9"
    & skf18("10","3","4","6","3","2","1") = "9"
    & skf18("10","3","4","6","3","3","1") = "9"
    & skf18("10","3","4","6","3","4","1") = "9"
    & skf18("10","3","4","6","3","5","1") = "9"
    & skf18("10","3","4","6","3","6","1") = "9"
    & skf18("10","3","4","6","3","7","1") = "9"
    & skf18("10","3","4","6","3","8","1") = "9"
    & skf18("10","3","4","6","3","9","1") = "9"
    & skf18("10","3","4","6","3","10","1") = "9"
    & skf18("10","3","4","6","4","1","1") = "9"
    & skf18("10","3","4","6","4","2","1") = "9"
    & skf18("10","3","4","6","4","3","1") = "9"
    & skf18("10","3","4","6","4","4","1") = "9"
    & skf18("10","3","4","6","4","5","1") = "9"
    & skf18("10","3","4","6","4","6","1") = "9"
    & skf18("10","3","4","6","4","7","1") = "9"
    & skf18("10","3","4","6","4","8","1") = "9"
    & skf18("10","3","4","6","4","9","1") = "9"
    & skf18("10","3","4","6","4","10","1") = "9"
    & skf18("10","3","4","6","5","1","1") = "9"
    & skf18("10","3","4","6","5","2","1") = "9"
    & skf18("10","3","4","6","5","3","1") = "9"
    & skf18("10","3","4","6","5","4","1") = "9"
    & skf18("10","3","4","6","5","5","1") = "9"
    & skf18("10","3","4","6","5","6","1") = "9"
    & skf18("10","3","4","6","5","7","1") = "9"
    & skf18("10","3","4","6","5","8","1") = "9"
    & skf18("10","3","4","6","5","9","1") = "9"
    & skf18("10","3","4","6","5","10","1") = "9"
    & skf18("10","3","4","6","6","1","1") = "9"
    & skf18("10","3","4","6","6","2","1") = "9"
    & skf18("10","3","4","6","6","3","1") = "9"
    & skf18("10","3","4","6","6","4","1") = "9"
    & skf18("10","3","4","6","6","5","1") = "9"
    & skf18("10","3","4","6","6","6","1") = "9"
    & skf18("10","3","4","6","6","7","1") = "9"
    & skf18("10","3","4","6","6","8","1") = "9"
    & skf18("10","3","4","6","6","9","1") = "9"
    & skf18("10","3","4","6","6","10","1") = "9"
    & skf18("10","3","4","6","7","1","1") = "9"
    & skf18("10","3","4","6","7","2","1") = "9"
    & skf18("10","3","4","6","7","3","1") = "9"
    & skf18("10","3","4","6","7","4","1") = "9"
    & skf18("10","3","4","6","7","5","1") = "9"
    & skf18("10","3","4","6","7","6","1") = "9"
    & skf18("10","3","4","6","7","7","1") = "9"
    & skf18("10","3","4","6","7","8","1") = "9"
    & skf18("10","3","4","6","7","9","1") = "9"
    & skf18("10","3","4","6","7","10","1") = "9"
    & skf18("10","3","4","6","8","1","1") = "9"
    & skf18("10","3","4","6","8","2","1") = "9"
    & skf18("10","3","4","6","8","3","1") = "9"
    & skf18("10","3","4","6","8","4","1") = "9"
    & skf18("10","3","4","6","8","5","1") = "9"
    & skf18("10","3","4","6","8","6","1") = "9"
    & skf18("10","3","4","6","8","7","1") = "9"
    & skf18("10","3","4","6","8","8","1") = "9"
    & skf18("10","3","4","6","8","9","1") = "9"
    & skf18("10","3","4","6","8","10","1") = "9"
    & skf18("10","3","4","6","9","1","1") = "9"
    & skf18("10","3","4","6","9","2","1") = "9"
    & skf18("10","3","4","6","9","3","1") = "9"
    & skf18("10","3","4","6","9","4","1") = "9"
    & skf18("10","3","4","6","9","5","1") = "9"
    & skf18("10","3","4","6","9","6","1") = "9"
    & skf18("10","3","4","6","9","7","1") = "9"
    & skf18("10","3","4","6","9","8","1") = "9"
    & skf18("10","3","4","6","9","9","1") = "9"
    & skf18("10","3","4","6","9","10","1") = "9"
    & skf18("10","3","4","6","10","1","1") = "9"
    & skf18("10","3","4","6","10","2","1") = "9"
    & skf18("10","3","4","6","10","3","1") = "9"
    & skf18("10","3","4","6","10","4","1") = "9"
    & skf18("10","3","4","6","10","5","1") = "9"
    & skf18("10","3","4","6","10","6","1") = "9"
    & skf18("10","3","4","6","10","7","1") = "9"
    & skf18("10","3","4","6","10","8","1") = "9"
    & skf18("10","3","4","6","10","9","1") = "9"
    & skf18("10","3","4","6","10","10","1") = "9"
    & skf18("10","3","4","7","1","1","1") = "9"
    & skf18("10","3","4","7","1","2","1") = "9"
    & skf18("10","3","4","7","1","3","1") = "9"
    & skf18("10","3","4","7","1","4","1") = "9"
    & skf18("10","3","4","7","1","5","1") = "9"
    & skf18("10","3","4","7","1","6","1") = "9"
    & skf18("10","3","4","7","1","7","1") = "9"
    & skf18("10","3","4","7","1","8","1") = "9"
    & skf18("10","3","4","7","1","9","1") = "9"
    & skf18("10","3","4","7","1","10","1") = "9"
    & skf18("10","3","4","7","2","1","1") = "9"
    & skf18("10","3","4","7","2","2","1") = "9"
    & skf18("10","3","4","7","2","3","1") = "9"
    & skf18("10","3","4","7","2","4","1") = "9"
    & skf18("10","3","4","7","2","5","1") = "9"
    & skf18("10","3","4","7","2","6","1") = "9"
    & skf18("10","3","4","7","2","7","1") = "9"
    & skf18("10","3","4","7","2","8","1") = "9"
    & skf18("10","3","4","7","2","9","1") = "9"
    & skf18("10","3","4","7","2","10","1") = "9"
    & skf18("10","3","4","7","3","1","1") = "9"
    & skf18("10","3","4","7","3","2","1") = "9"
    & skf18("10","3","4","7","3","3","1") = "9"
    & skf18("10","3","4","7","3","4","1") = "9"
    & skf18("10","3","4","7","3","5","1") = "9"
    & skf18("10","3","4","7","3","6","1") = "9"
    & skf18("10","3","4","7","3","7","1") = "9"
    & skf18("10","3","4","7","3","8","1") = "9"
    & skf18("10","3","4","7","3","9","1") = "9"
    & skf18("10","3","4","7","3","10","1") = "9"
    & skf18("10","3","4","7","4","1","1") = "9"
    & skf18("10","3","4","7","4","2","1") = "9"
    & skf18("10","3","4","7","4","3","1") = "9"
    & skf18("10","3","4","7","4","4","1") = "9"
    & skf18("10","3","4","7","4","5","1") = "9"
    & skf18("10","3","4","7","4","6","1") = "9"
    & skf18("10","3","4","7","4","7","1") = "9"
    & skf18("10","3","4","7","4","8","1") = "9"
    & skf18("10","3","4","7","4","9","1") = "9"
    & skf18("10","3","4","7","4","10","1") = "9"
    & skf18("10","3","4","7","5","1","1") = "9"
    & skf18("10","3","4","7","5","2","1") = "9"
    & skf18("10","3","4","7","5","3","1") = "9"
    & skf18("10","3","4","7","5","4","1") = "9"
    & skf18("10","3","4","7","5","5","1") = "9"
    & skf18("10","3","4","7","5","6","1") = "9"
    & skf18("10","3","4","7","5","7","1") = "9"
    & skf18("10","3","4","7","5","8","1") = "9"
    & skf18("10","3","4","7","5","9","1") = "9"
    & skf18("10","3","4","7","5","10","1") = "9"
    & skf18("10","3","4","7","6","1","1") = "9"
    & skf18("10","3","4","7","6","2","1") = "9"
    & skf18("10","3","4","7","6","3","1") = "9"
    & skf18("10","3","4","7","6","4","1") = "9"
    & skf18("10","3","4","7","6","5","1") = "9"
    & skf18("10","3","4","7","6","6","1") = "9"
    & skf18("10","3","4","7","6","7","1") = "9"
    & skf18("10","3","4","7","6","8","1") = "9"
    & skf18("10","3","4","7","6","9","1") = "9"
    & skf18("10","3","4","7","6","10","1") = "9"
    & skf18("10","3","4","7","7","1","1") = "9"
    & skf18("10","3","4","7","7","2","1") = "9"
    & skf18("10","3","4","7","7","3","1") = "9"
    & skf18("10","3","4","7","7","4","1") = "9"
    & skf18("10","3","4","7","7","5","1") = "9"
    & skf18("10","3","4","7","7","6","1") = "9"
    & skf18("10","3","4","7","7","7","1") = "9"
    & skf18("10","3","4","7","7","8","1") = "9"
    & skf18("10","3","4","7","7","9","1") = "9"
    & skf18("10","3","4","7","7","10","1") = "9"
    & skf18("10","3","4","7","8","1","1") = "9"
    & skf18("10","3","4","7","8","2","1") = "9"
    & skf18("10","3","4","7","8","3","1") = "9"
    & skf18("10","3","4","7","8","4","1") = "9"
    & skf18("10","3","4","7","8","5","1") = "9"
    & skf18("10","3","4","7","8","6","1") = "9"
    & skf18("10","3","4","7","8","7","1") = "9"
    & skf18("10","3","4","7","8","8","1") = "9"
    & skf18("10","3","4","7","8","9","1") = "9"
    & skf18("10","3","4","7","8","10","1") = "9"
    & skf18("10","3","4","7","9","1","1") = "9"
    & skf18("10","3","4","7","9","2","1") = "9"
    & skf18("10","3","4","7","9","3","1") = "9"
    & skf18("10","3","4","7","9","4","1") = "9"
    & skf18("10","3","4","7","9","5","1") = "9"
    & skf18("10","3","4","7","9","6","1") = "9"
    & skf18("10","3","4","7","9","7","1") = "9"
    & skf18("10","3","4","7","9","8","1") = "9"
    & skf18("10","3","4","7","9","9","1") = "9"
    & skf18("10","3","4","7","9","10","1") = "9"
    & skf18("10","3","4","7","10","1","1") = "9"
    & skf18("10","3","4","7","10","2","1") = "9"
    & skf18("10","3","4","7","10","3","1") = "9"
    & skf18("10","3","4","7","10","4","1") = "9"
    & skf18("10","3","4","7","10","5","1") = "9"
    & skf18("10","3","4","7","10","6","1") = "9"
    & skf18("10","3","4","7","10","7","1") = "9"
    & skf18("10","3","4","7","10","8","1") = "9"
    & skf18("10","3","4","7","10","9","1") = "9"
    & skf18("10","3","4","7","10","10","1") = "9"
    & skf18("10","3","4","8","1","1","1") = "9"
    & skf18("10","3","4","8","1","2","1") = "9"
    & skf18("10","3","4","8","1","3","1") = "9"
    & skf18("10","3","4","8","1","4","1") = "9"
    & skf18("10","3","4","8","1","5","1") = "9"
    & skf18("10","3","4","8","1","6","1") = "9"
    & skf18("10","3","4","8","1","7","1") = "9"
    & skf18("10","3","4","8","1","8","1") = "9"
    & skf18("10","3","4","8","1","9","1") = "9"
    & skf18("10","3","4","8","1","10","1") = "9"
    & skf18("10","3","4","8","2","1","1") = "9"
    & skf18("10","3","4","8","2","2","1") = "9"
    & skf18("10","3","4","8","2","3","1") = "9"
    & skf18("10","3","4","8","2","4","1") = "9"
    & skf18("10","3","4","8","2","5","1") = "9"
    & skf18("10","3","4","8","2","6","1") = "9"
    & skf18("10","3","4","8","2","7","1") = "9"
    & skf18("10","3","4","8","2","8","1") = "9"
    & skf18("10","3","4","8","2","9","1") = "9"
    & skf18("10","3","4","8","2","10","1") = "9"
    & skf18("10","3","4","8","3","1","1") = "9"
    & skf18("10","3","4","8","3","2","1") = "9"
    & skf18("10","3","4","8","3","3","1") = "9"
    & skf18("10","3","4","8","3","4","1") = "9"
    & skf18("10","3","4","8","3","5","1") = "9"
    & skf18("10","3","4","8","3","6","1") = "9"
    & skf18("10","3","4","8","3","7","1") = "9"
    & skf18("10","3","4","8","3","8","1") = "9"
    & skf18("10","3","4","8","3","9","1") = "9"
    & skf18("10","3","4","8","3","10","1") = "9"
    & skf18("10","3","4","8","4","1","1") = "9"
    & skf18("10","3","4","8","4","2","1") = "9"
    & skf18("10","3","4","8","4","3","1") = "9"
    & skf18("10","3","4","8","4","4","1") = "9"
    & skf18("10","3","4","8","4","5","1") = "9"
    & skf18("10","3","4","8","4","6","1") = "9"
    & skf18("10","3","4","8","4","7","1") = "9"
    & skf18("10","3","4","8","4","8","1") = "9"
    & skf18("10","3","4","8","4","9","1") = "9"
    & skf18("10","3","4","8","4","10","1") = "9"
    & skf18("10","3","4","8","5","1","1") = "9"
    & skf18("10","3","4","8","5","2","1") = "9"
    & skf18("10","3","4","8","5","3","1") = "9"
    & skf18("10","3","4","8","5","4","1") = "9"
    & skf18("10","3","4","8","5","5","1") = "9"
    & skf18("10","3","4","8","5","6","1") = "9"
    & skf18("10","3","4","8","5","7","1") = "9"
    & skf18("10","3","4","8","5","8","1") = "9"
    & skf18("10","3","4","8","5","9","1") = "9"
    & skf18("10","3","4","8","5","10","1") = "9"
    & skf18("10","3","4","8","6","1","1") = "9"
    & skf18("10","3","4","8","6","2","1") = "9"
    & skf18("10","3","4","8","6","3","1") = "9"
    & skf18("10","3","4","8","6","4","1") = "9"
    & skf18("10","3","4","8","6","5","1") = "9"
    & skf18("10","3","4","8","6","6","1") = "9"
    & skf18("10","3","4","8","6","7","1") = "9"
    & skf18("10","3","4","8","6","8","1") = "9"
    & skf18("10","3","4","8","6","9","1") = "9"
    & skf18("10","3","4","8","6","10","1") = "9"
    & skf18("10","3","4","8","7","1","1") = "9"
    & skf18("10","3","4","8","7","2","1") = "9"
    & skf18("10","3","4","8","7","3","1") = "9"
    & skf18("10","3","4","8","7","4","1") = "9"
    & skf18("10","3","4","8","7","5","1") = "9"
    & skf18("10","3","4","8","7","6","1") = "9"
    & skf18("10","3","4","8","7","7","1") = "9"
    & skf18("10","3","4","8","7","8","1") = "9"
    & skf18("10","3","4","8","7","9","1") = "9"
    & skf18("10","3","4","8","7","10","1") = "9"
    & skf18("10","3","4","8","8","1","1") = "9"
    & skf18("10","3","4","8","8","2","1") = "9"
    & skf18("10","3","4","8","8","3","1") = "9"
    & skf18("10","3","4","8","8","4","1") = "9"
    & skf18("10","3","4","8","8","5","1") = "9"
    & skf18("10","3","4","8","8","6","1") = "9"
    & skf18("10","3","4","8","8","7","1") = "9"
    & skf18("10","3","4","8","8","8","1") = "9"
    & skf18("10","3","4","8","8","9","1") = "9"
    & skf18("10","3","4","8","8","10","1") = "9"
    & skf18("10","3","4","8","9","1","1") = "9"
    & skf18("10","3","4","8","9","2","1") = "9"
    & skf18("10","3","4","8","9","3","1") = "9"
    & skf18("10","3","4","8","9","4","1") = "9"
    & skf18("10","3","4","8","9","5","1") = "9"
    & skf18("10","3","4","8","9","6","1") = "9"
    & skf18("10","3","4","8","9","7","1") = "9"
    & skf18("10","3","4","8","9","8","1") = "9"
    & skf18("10","3","4","8","9","9","1") = "9"
    & skf18("10","3","4","8","9","10","1") = "9"
    & skf18("10","3","4","8","10","1","1") = "9"
    & skf18("10","3","4","8","10","2","1") = "9"
    & skf18("10","3","4","8","10","3","1") = "9"
    & skf18("10","3","4","8","10","4","1") = "9"
    & skf18("10","3","4","8","10","5","1") = "9"
    & skf18("10","3","4","8","10","6","1") = "9"
    & skf18("10","3","4","8","10","7","1") = "9"
    & skf18("10","3","4","8","10","8","1") = "9"
    & skf18("10","3","4","8","10","9","1") = "9"
    & skf18("10","3","4","8","10","10","1") = "9"
    & skf18("10","3","4","9","1","1","1") = "9"
    & skf18("10","3","4","9","1","2","1") = "9"
    & skf18("10","3","4","9","1","3","1") = "9"
    & skf18("10","3","4","9","1","4","1") = "9"
    & skf18("10","3","4","9","1","5","1") = "9"
    & skf18("10","3","4","9","1","6","1") = "9"
    & skf18("10","3","4","9","1","7","1") = "9"
    & skf18("10","3","4","9","1","8","1") = "9"
    & skf18("10","3","4","9","1","9","1") = "9"
    & skf18("10","3","4","9","1","10","1") = "9"
    & skf18("10","3","4","9","2","1","1") = "9"
    & skf18("10","3","4","9","2","2","1") = "9"
    & skf18("10","3","4","9","2","3","1") = "9"
    & skf18("10","3","4","9","2","4","1") = "9"
    & skf18("10","3","4","9","2","5","1") = "9"
    & skf18("10","3","4","9","2","6","1") = "9"
    & skf18("10","3","4","9","2","7","1") = "9"
    & skf18("10","3","4","9","2","8","1") = "9"
    & skf18("10","3","4","9","2","9","1") = "9"
    & skf18("10","3","4","9","2","10","1") = "9"
    & skf18("10","3","4","9","3","1","1") = "9"
    & skf18("10","3","4","9","3","2","1") = "9"
    & skf18("10","3","4","9","3","3","1") = "9"
    & skf18("10","3","4","9","3","4","1") = "9"
    & skf18("10","3","4","9","3","5","1") = "9"
    & skf18("10","3","4","9","3","6","1") = "9"
    & skf18("10","3","4","9","3","7","1") = "9"
    & skf18("10","3","4","9","3","8","1") = "9"
    & skf18("10","3","4","9","3","9","1") = "9"
    & skf18("10","3","4","9","3","10","1") = "9"
    & skf18("10","3","4","9","4","1","1") = "9"
    & skf18("10","3","4","9","4","2","1") = "9"
    & skf18("10","3","4","9","4","3","1") = "9"
    & skf18("10","3","4","9","4","4","1") = "9"
    & skf18("10","3","4","9","4","5","1") = "9"
    & skf18("10","3","4","9","4","6","1") = "9"
    & skf18("10","3","4","9","4","7","1") = "9"
    & skf18("10","3","4","9","4","8","1") = "9"
    & skf18("10","3","4","9","4","9","1") = "9"
    & skf18("10","3","4","9","4","10","1") = "9"
    & skf18("10","3","4","9","5","1","1") = "9"
    & skf18("10","3","4","9","5","2","1") = "9"
    & skf18("10","3","4","9","5","3","1") = "9"
    & skf18("10","3","4","9","5","4","1") = "9"
    & skf18("10","3","4","9","5","5","1") = "9"
    & skf18("10","3","4","9","5","6","1") = "9"
    & skf18("10","3","4","9","5","7","1") = "9"
    & skf18("10","3","4","9","5","8","1") = "9"
    & skf18("10","3","4","9","5","9","1") = "9"
    & skf18("10","3","4","9","5","10","1") = "9"
    & skf18("10","3","4","9","6","1","1") = "9"
    & skf18("10","3","4","9","6","2","1") = "9"
    & skf18("10","3","4","9","6","3","1") = "9"
    & skf18("10","3","4","9","6","4","1") = "9"
    & skf18("10","3","4","9","6","5","1") = "9"
    & skf18("10","3","4","9","6","6","1") = "9"
    & skf18("10","3","4","9","6","7","1") = "9"
    & skf18("10","3","4","9","6","8","1") = "9"
    & skf18("10","3","4","9","6","9","1") = "9"
    & skf18("10","3","4","9","6","10","1") = "9"
    & skf18("10","3","4","9","7","1","1") = "9"
    & skf18("10","3","4","9","7","2","1") = "9"
    & skf18("10","3","4","9","7","3","1") = "9"
    & skf18("10","3","4","9","7","4","1") = "9"
    & skf18("10","3","4","9","7","5","1") = "9"
    & skf18("10","3","4","9","7","6","1") = "9"
    & skf18("10","3","4","9","7","7","1") = "9"
    & skf18("10","3","4","9","7","8","1") = "9"
    & skf18("10","3","4","9","7","9","1") = "9"
    & skf18("10","3","4","9","7","10","1") = "9"
    & skf18("10","3","4","9","8","1","1") = "9"
    & skf18("10","3","4","9","8","2","1") = "9"
    & skf18("10","3","4","9","8","3","1") = "9"
    & skf18("10","3","4","9","8","4","1") = "9"
    & skf18("10","3","4","9","8","5","1") = "9"
    & skf18("10","3","4","9","8","6","1") = "9"
    & skf18("10","3","4","9","8","7","1") = "9"
    & skf18("10","3","4","9","8","8","1") = "9"
    & skf18("10","3","4","9","8","9","1") = "9"
    & skf18("10","3","4","9","8","10","1") = "9"
    & skf18("10","3","4","9","9","1","1") = "9"
    & skf18("10","3","4","9","9","2","1") = "9"
    & skf18("10","3","4","9","9","3","1") = "9"
    & skf18("10","3","4","9","9","4","1") = "9"
    & skf18("10","3","4","9","9","5","1") = "9"
    & skf18("10","3","4","9","9","6","1") = "9"
    & skf18("10","3","4","9","9","7","1") = "9"
    & skf18("10","3","4","9","9","8","1") = "9"
    & skf18("10","3","4","9","9","9","1") = "9"
    & skf18("10","3","4","9","9","10","1") = "9"
    & skf18("10","3","4","9","10","1","1") = "9"
    & skf18("10","3","4","9","10","2","1") = "9"
    & skf18("10","3","4","9","10","3","1") = "9"
    & skf18("10","3","4","9","10","4","1") = "9"
    & skf18("10","3","4","9","10","5","1") = "9"
    & skf18("10","3","4","9","10","6","1") = "9"
    & skf18("10","3","4","9","10","7","1") = "9"
    & skf18("10","3","4","9","10","8","1") = "9"
    & skf18("10","3","4","9","10","9","1") = "9"
    & skf18("10","3","4","9","10","10","1") = "9"
    & skf18("10","3","4","10","1","1","1") = "9"
    & skf18("10","3","4","10","1","2","1") = "9"
    & skf18("10","3","4","10","1","3","1") = "9"
    & skf18("10","3","4","10","1","4","1") = "9"
    & skf18("10","3","4","10","1","5","1") = "9"
    & skf18("10","3","4","10","1","6","1") = "9"
    & skf18("10","3","4","10","1","7","1") = "9"
    & skf18("10","3","4","10","1","8","1") = "9"
    & skf18("10","3","4","10","1","9","1") = "9"
    & skf18("10","3","4","10","1","10","1") = "9"
    & skf18("10","3","4","10","2","1","1") = "9"
    & skf18("10","3","4","10","2","2","1") = "9"
    & skf18("10","3","4","10","2","3","1") = "9"
    & skf18("10","3","4","10","2","4","1") = "9"
    & skf18("10","3","4","10","2","5","1") = "9"
    & skf18("10","3","4","10","2","6","1") = "9"
    & skf18("10","3","4","10","2","7","1") = "9"
    & skf18("10","3","4","10","2","8","1") = "9"
    & skf18("10","3","4","10","2","9","1") = "9"
    & skf18("10","3","4","10","2","10","1") = "9"
    & skf18("10","3","4","10","3","1","1") = "9"
    & skf18("10","3","4","10","3","2","1") = "9"
    & skf18("10","3","4","10","3","3","1") = "9"
    & skf18("10","3","4","10","3","4","1") = "9"
    & skf18("10","3","4","10","3","5","1") = "9"
    & skf18("10","3","4","10","3","6","1") = "9"
    & skf18("10","3","4","10","3","7","1") = "9"
    & skf18("10","3","4","10","3","8","1") = "9"
    & skf18("10","3","4","10","3","9","1") = "9"
    & skf18("10","3","4","10","3","10","1") = "9"
    & skf18("10","3","4","10","4","1","1") = "9"
    & skf18("10","3","4","10","4","2","1") = "9"
    & skf18("10","3","4","10","4","3","1") = "9"
    & skf18("10","3","4","10","4","4","1") = "9"
    & skf18("10","3","4","10","4","5","1") = "9"
    & skf18("10","3","4","10","4","6","1") = "9"
    & skf18("10","3","4","10","4","7","1") = "9"
    & skf18("10","3","4","10","4","8","1") = "9"
    & skf18("10","3","4","10","4","9","1") = "9"
    & skf18("10","3","4","10","4","10","1") = "9"
    & skf18("10","3","4","10","5","1","1") = "9"
    & skf18("10","3","4","10","5","2","1") = "9"
    & skf18("10","3","4","10","5","3","1") = "9"
    & skf18("10","3","4","10","5","4","1") = "9"
    & skf18("10","3","4","10","5","5","1") = "9"
    & skf18("10","3","4","10","5","6","1") = "9"
    & skf18("10","3","4","10","5","7","1") = "9"
    & skf18("10","3","4","10","5","8","1") = "9"
    & skf18("10","3","4","10","5","9","1") = "9"
    & skf18("10","3","4","10","5","10","1") = "9"
    & skf18("10","3","4","10","6","1","1") = "9"
    & skf18("10","3","4","10","6","2","1") = "9"
    & skf18("10","3","4","10","6","3","1") = "9"
    & skf18("10","3","4","10","6","4","1") = "9"
    & skf18("10","3","4","10","6","5","1") = "9"
    & skf18("10","3","4","10","6","6","1") = "9"
    & skf18("10","3","4","10","6","7","1") = "9"
    & skf18("10","3","4","10","6","8","1") = "9"
    & skf18("10","3","4","10","6","9","1") = "9"
    & skf18("10","3","4","10","6","10","1") = "9"
    & skf18("10","3","4","10","7","1","1") = "9"
    & skf18("10","3","4","10","7","2","1") = "9"
    & skf18("10","3","4","10","7","3","1") = "9"
    & skf18("10","3","4","10","7","4","1") = "9"
    & skf18("10","3","4","10","7","5","1") = "9"
    & skf18("10","3","4","10","7","6","1") = "9"
    & skf18("10","3","4","10","7","7","1") = "9"
    & skf18("10","3","4","10","7","8","1") = "9"
    & skf18("10","3","4","10","7","9","1") = "9"
    & skf18("10","3","4","10","7","10","1") = "9"
    & skf18("10","3","4","10","8","1","1") = "9"
    & skf18("10","3","4","10","8","2","1") = "9"
    & skf18("10","3","4","10","8","3","1") = "9"
    & skf18("10","3","4","10","8","4","1") = "9"
    & skf18("10","3","4","10","8","5","1") = "9"
    & skf18("10","3","4","10","8","6","1") = "9"
    & skf18("10","3","4","10","8","7","1") = "9"
    & skf18("10","3","4","10","8","8","1") = "9"
    & skf18("10","3","4","10","8","9","1") = "9"
    & skf18("10","3","4","10","8","10","1") = "9"
    & skf18("10","3","4","10","9","1","1") = "9"
    & skf18("10","3","4","10","9","2","1") = "9"
    & skf18("10","3","4","10","9","3","1") = "9"
    & skf18("10","3","4","10","9","4","1") = "9"
    & skf18("10","3","4","10","9","5","1") = "9"
    & skf18("10","3","4","10","9","6","1") = "9"
    & skf18("10","3","4","10","9","7","1") = "9"
    & skf18("10","3","4","10","9","8","1") = "9"
    & skf18("10","3","4","10","9","9","1") = "9"
    & skf18("10","3","4","10","9","10","1") = "9"
    & skf18("10","3","4","10","10","1","1") = "9"
    & skf18("10","3","4","10","10","2","1") = "9"
    & skf18("10","3","4","10","10","3","1") = "9"
    & skf18("10","3","4","10","10","4","1") = "9"
    & skf18("10","3","4","10","10","5","1") = "9"
    & skf18("10","3","4","10","10","6","1") = "9"
    & skf18("10","3","4","10","10","7","1") = "9"
    & skf18("10","3","4","10","10","8","1") = "9"
    & skf18("10","3","4","10","10","9","1") = "9"
    & skf18("10","3","4","10","10","10","1") = "9"
    & skf18("10","3","5","1","1","1","1") = "9"
    & skf18("10","3","5","1","1","2","1") = "9"
    & skf18("10","3","5","1","1","3","1") = "9"
    & skf18("10","3","5","1","1","4","1") = "9"
    & skf18("10","3","5","1","1","5","1") = "9"
    & skf18("10","3","5","1","1","6","1") = "9"
    & skf18("10","3","5","1","1","7","1") = "9"
    & skf18("10","3","5","1","1","8","1") = "9"
    & skf18("10","3","5","1","1","9","1") = "9"
    & skf18("10","3","5","1","1","10","1") = "9"
    & skf18("10","3","5","1","2","1","1") = "9"
    & skf18("10","3","5","1","2","2","1") = "9"
    & skf18("10","3","5","1","2","3","1") = "9"
    & skf18("10","3","5","1","2","4","1") = "9"
    & skf18("10","3","5","1","2","5","1") = "9"
    & skf18("10","3","5","1","2","6","1") = "9"
    & skf18("10","3","5","1","2","7","1") = "9"
    & skf18("10","3","5","1","2","8","1") = "9"
    & skf18("10","3","5","1","2","9","1") = "9"
    & skf18("10","3","5","1","2","10","1") = "9"
    & skf18("10","3","5","1","3","1","1") = "9"
    & skf18("10","3","5","1","3","2","1") = "9"
    & skf18("10","3","5","1","3","3","1") = "9"
    & skf18("10","3","5","1","3","4","1") = "9"
    & skf18("10","3","5","1","3","5","1") = "9"
    & skf18("10","3","5","1","3","6","1") = "9"
    & skf18("10","3","5","1","3","7","1") = "9"
    & skf18("10","3","5","1","3","8","1") = "9"
    & skf18("10","3","5","1","3","9","1") = "9"
    & skf18("10","3","5","1","3","10","1") = "9"
    & skf18("10","3","5","1","4","1","1") = "9"
    & skf18("10","3","5","1","4","2","1") = "9"
    & skf18("10","3","5","1","4","3","1") = "9"
    & skf18("10","3","5","1","4","4","1") = "9"
    & skf18("10","3","5","1","4","5","1") = "9"
    & skf18("10","3","5","1","4","6","1") = "9"
    & skf18("10","3","5","1","4","7","1") = "9"
    & skf18("10","3","5","1","4","8","1") = "9"
    & skf18("10","3","5","1","4","9","1") = "9"
    & skf18("10","3","5","1","4","10","1") = "9"
    & skf18("10","3","5","1","5","1","1") = "9"
    & skf18("10","3","5","1","5","2","1") = "9"
    & skf18("10","3","5","1","5","3","1") = "9"
    & skf18("10","3","5","1","5","4","1") = "9"
    & skf18("10","3","5","1","5","5","1") = "9"
    & skf18("10","3","5","1","5","6","1") = "9"
    & skf18("10","3","5","1","5","7","1") = "9"
    & skf18("10","3","5","1","5","8","1") = "9"
    & skf18("10","3","5","1","5","9","1") = "9"
    & skf18("10","3","5","1","5","10","1") = "9"
    & skf18("10","3","5","1","6","1","1") = "9"
    & skf18("10","3","5","1","6","2","1") = "9"
    & skf18("10","3","5","1","6","3","1") = "9"
    & skf18("10","3","5","1","6","4","1") = "9"
    & skf18("10","3","5","1","6","5","1") = "9"
    & skf18("10","3","5","1","6","6","1") = "9"
    & skf18("10","3","5","1","6","7","1") = "9"
    & skf18("10","3","5","1","6","8","1") = "9"
    & skf18("10","3","5","1","6","9","1") = "9"
    & skf18("10","3","5","1","6","10","1") = "9"
    & skf18("10","3","5","1","7","1","1") = "9"
    & skf18("10","3","5","1","7","2","1") = "9"
    & skf18("10","3","5","1","7","3","1") = "9"
    & skf18("10","3","5","1","7","4","1") = "9"
    & skf18("10","3","5","1","7","5","1") = "9"
    & skf18("10","3","5","1","7","6","1") = "9"
    & skf18("10","3","5","1","7","7","1") = "9"
    & skf18("10","3","5","1","7","8","1") = "9"
    & skf18("10","3","5","1","7","9","1") = "9"
    & skf18("10","3","5","1","7","10","1") = "9"
    & skf18("10","3","5","1","8","1","1") = "9"
    & skf18("10","3","5","1","8","2","1") = "9"
    & skf18("10","3","5","1","8","3","1") = "9"
    & skf18("10","3","5","1","8","4","1") = "9"
    & skf18("10","3","5","1","8","5","1") = "9"
    & skf18("10","3","5","1","8","6","1") = "9"
    & skf18("10","3","5","1","8","7","1") = "9"
    & skf18("10","3","5","1","8","8","1") = "9"
    & skf18("10","3","5","1","8","9","1") = "9"
    & skf18("10","3","5","1","8","10","1") = "9"
    & skf18("10","3","5","1","9","1","1") = "9"
    & skf18("10","3","5","1","9","2","1") = "9"
    & skf18("10","3","5","1","9","3","1") = "9"
    & skf18("10","3","5","1","9","4","1") = "9"
    & skf18("10","3","5","1","9","5","1") = "9"
    & skf18("10","3","5","1","9","6","1") = "9"
    & skf18("10","3","5","1","9","7","1") = "9"
    & skf18("10","3","5","1","9","8","1") = "9"
    & skf18("10","3","5","1","9","9","1") = "9"
    & skf18("10","3","5","1","9","10","1") = "9"
    & skf18("10","3","5","1","10","1","1") = "9"
    & skf18("10","3","5","1","10","2","1") = "9"
    & skf18("10","3","5","1","10","3","1") = "9"
    & skf18("10","3","5","1","10","4","1") = "9"
    & skf18("10","3","5","1","10","5","1") = "9"
    & skf18("10","3","5","1","10","6","1") = "9"
    & skf18("10","3","5","1","10","7","1") = "9"
    & skf18("10","3","5","1","10","8","1") = "9"
    & skf18("10","3","5","1","10","9","1") = "9"
    & skf18("10","3","5","1","10","10","1") = "9"
    & skf18("10","3","5","2","1","1","1") = "9"
    & skf18("10","3","5","2","1","2","1") = "9"
    & skf18("10","3","5","2","1","3","1") = "9"
    & skf18("10","3","5","2","1","4","1") = "9"
    & skf18("10","3","5","2","1","5","1") = "9"
    & skf18("10","3","5","2","1","6","1") = "9"
    & skf18("10","3","5","2","1","7","1") = "9"
    & skf18("10","3","5","2","1","8","1") = "9"
    & skf18("10","3","5","2","1","9","1") = "9"
    & skf18("10","3","5","2","1","10","1") = "9"
    & skf18("10","3","5","2","2","1","1") = "9"
    & skf18("10","3","5","2","2","2","1") = "9"
    & skf18("10","3","5","2","2","3","1") = "9"
    & skf18("10","3","5","2","2","4","1") = "9"
    & skf18("10","3","5","2","2","5","1") = "9"
    & skf18("10","3","5","2","2","6","1") = "9"
    & skf18("10","3","5","2","2","7","1") = "9"
    & skf18("10","3","5","2","2","8","1") = "9"
    & skf18("10","3","5","2","2","9","1") = "9"
    & skf18("10","3","5","2","2","10","1") = "9"
    & skf18("10","3","5","2","3","1","1") = "9"
    & skf18("10","3","5","2","3","2","1") = "9"
    & skf18("10","3","5","2","3","3","1") = "9"
    & skf18("10","3","5","2","3","4","1") = "9"
    & skf18("10","3","5","2","3","5","1") = "9"
    & skf18("10","3","5","2","3","6","1") = "9"
    & skf18("10","3","5","2","3","7","1") = "9"
    & skf18("10","3","5","2","3","8","1") = "9"
    & skf18("10","3","5","2","3","9","1") = "9"
    & skf18("10","3","5","2","3","10","1") = "9"
    & skf18("10","3","5","2","4","1","1") = "9"
    & skf18("10","3","5","2","4","2","1") = "9"
    & skf18("10","3","5","2","4","3","1") = "9"
    & skf18("10","3","5","2","4","4","1") = "9"
    & skf18("10","3","5","2","4","5","1") = "9"
    & skf18("10","3","5","2","4","6","1") = "9"
    & skf18("10","3","5","2","4","7","1") = "9"
    & skf18("10","3","5","2","4","8","1") = "9"
    & skf18("10","3","5","2","4","9","1") = "9"
    & skf18("10","3","5","2","4","10","1") = "9"
    & skf18("10","3","5","2","5","1","1") = "9"
    & skf18("10","3","5","2","5","2","1") = "9"
    & skf18("10","3","5","2","5","3","1") = "9"
    & skf18("10","3","5","2","5","4","1") = "9"
    & skf18("10","3","5","2","5","5","1") = "9"
    & skf18("10","3","5","2","5","6","1") = "9"
    & skf18("10","3","5","2","5","7","1") = "9"
    & skf18("10","3","5","2","5","8","1") = "9"
    & skf18("10","3","5","2","5","9","1") = "9"
    & skf18("10","3","5","2","5","10","1") = "9"
    & skf18("10","3","5","2","6","1","1") = "9"
    & skf18("10","3","5","2","6","2","1") = "9"
    & skf18("10","3","5","2","6","3","1") = "9"
    & skf18("10","3","5","2","6","4","1") = "9"
    & skf18("10","3","5","2","6","5","1") = "9"
    & skf18("10","3","5","2","6","6","1") = "9"
    & skf18("10","3","5","2","6","7","1") = "9"
    & skf18("10","3","5","2","6","8","1") = "9"
    & skf18("10","3","5","2","6","9","1") = "9"
    & skf18("10","3","5","2","6","10","1") = "9"
    & skf18("10","3","5","2","7","1","1") = "9"
    & skf18("10","3","5","2","7","2","1") = "9"
    & skf18("10","3","5","2","7","3","1") = "9"
    & skf18("10","3","5","2","7","4","1") = "9"
    & skf18("10","3","5","2","7","5","1") = "9"
    & skf18("10","3","5","2","7","6","1") = "9"
    & skf18("10","3","5","2","7","7","1") = "9"
    & skf18("10","3","5","2","7","8","1") = "9"
    & skf18("10","3","5","2","7","9","1") = "9"
    & skf18("10","3","5","2","7","10","1") = "9"
    & skf18("10","3","5","2","8","1","1") = "9"
    & skf18("10","3","5","2","8","2","1") = "9"
    & skf18("10","3","5","2","8","3","1") = "9"
    & skf18("10","3","5","2","8","4","1") = "9"
    & skf18("10","3","5","2","8","5","1") = "9"
    & skf18("10","3","5","2","8","6","1") = "9"
    & skf18("10","3","5","2","8","7","1") = "9"
    & skf18("10","3","5","2","8","8","1") = "9"
    & skf18("10","3","5","2","8","9","1") = "9"
    & skf18("10","3","5","2","8","10","1") = "9"
    & skf18("10","3","5","2","9","1","1") = "9"
    & skf18("10","3","5","2","9","2","1") = "9"
    & skf18("10","3","5","2","9","3","1") = "9"
    & skf18("10","3","5","2","9","4","1") = "9"
    & skf18("10","3","5","2","9","5","1") = "9"
    & skf18("10","3","5","2","9","6","1") = "9"
    & skf18("10","3","5","2","9","7","1") = "9"
    & skf18("10","3","5","2","9","8","1") = "9"
    & skf18("10","3","5","2","9","9","1") = "9"
    & skf18("10","3","5","2","9","10","1") = "9"
    & skf18("10","3","5","2","10","1","1") = "9"
    & skf18("10","3","5","2","10","2","1") = "9"
    & skf18("10","3","5","2","10","3","1") = "9"
    & skf18("10","3","5","2","10","4","1") = "9"
    & skf18("10","3","5","2","10","5","1") = "9"
    & skf18("10","3","5","2","10","6","1") = "9"
    & skf18("10","3","5","2","10","7","1") = "9"
    & skf18("10","3","5","2","10","8","1") = "9"
    & skf18("10","3","5","2","10","9","1") = "9"
    & skf18("10","3","5","2","10","10","1") = "9"
    & skf18("10","3","5","3","1","1","1") = "9"
    & skf18("10","3","5","3","1","2","1") = "9"
    & skf18("10","3","5","3","1","3","1") = "9"
    & skf18("10","3","5","3","1","4","1") = "9"
    & skf18("10","3","5","3","1","5","1") = "9"
    & skf18("10","3","5","3","1","6","1") = "9"
    & skf18("10","3","5","3","1","7","1") = "9"
    & skf18("10","3","5","3","1","8","1") = "9"
    & skf18("10","3","5","3","1","9","1") = "9"
    & skf18("10","3","5","3","1","10","1") = "9"
    & skf18("10","3","5","3","2","1","1") = "9"
    & skf18("10","3","5","3","2","2","1") = "9"
    & skf18("10","3","5","3","2","3","1") = "9"
    & skf18("10","3","5","3","2","4","1") = "9"
    & skf18("10","3","5","3","2","5","1") = "9"
    & skf18("10","3","5","3","2","6","1") = "9"
    & skf18("10","3","5","3","2","7","1") = "9"
    & skf18("10","3","5","3","2","8","1") = "9"
    & skf18("10","3","5","3","2","9","1") = "9"
    & skf18("10","3","5","3","2","10","1") = "9"
    & skf18("10","3","5","3","3","1","1") = "9"
    & skf18("10","3","5","3","3","2","1") = "9"
    & skf18("10","3","5","3","3","3","1") = "9"
    & skf18("10","3","5","3","3","4","1") = "9"
    & skf18("10","3","5","3","3","5","1") = "9"
    & skf18("10","3","5","3","3","6","1") = "9"
    & skf18("10","3","5","3","3","7","1") = "9"
    & skf18("10","3","5","3","3","8","1") = "9"
    & skf18("10","3","5","3","3","9","1") = "9"
    & skf18("10","3","5","3","3","10","1") = "9"
    & skf18("10","3","5","3","4","1","1") = "9"
    & skf18("10","3","5","3","4","2","1") = "9"
    & skf18("10","3","5","3","4","3","1") = "9"
    & skf18("10","3","5","3","4","4","1") = "9"
    & skf18("10","3","5","3","4","5","1") = "9"
    & skf18("10","3","5","3","4","6","1") = "9"
    & skf18("10","3","5","3","4","7","1") = "9"
    & skf18("10","3","5","3","4","8","1") = "9"
    & skf18("10","3","5","3","4","9","1") = "9"
    & skf18("10","3","5","3","4","10","1") = "9"
    & skf18("10","3","5","3","5","1","1") = "9"
    & skf18("10","3","5","3","5","2","1") = "9"
    & skf18("10","3","5","3","5","3","1") = "9"
    & skf18("10","3","5","3","5","4","1") = "9"
    & skf18("10","3","5","3","5","5","1") = "9"
    & skf18("10","3","5","3","5","6","1") = "9"
    & skf18("10","3","5","3","5","7","1") = "9"
    & skf18("10","3","5","3","5","8","1") = "9"
    & skf18("10","3","5","3","5","9","1") = "9"
    & skf18("10","3","5","3","5","10","1") = "9"
    & skf18("10","3","5","3","6","1","1") = "9"
    & skf18("10","3","5","3","6","2","1") = "9"
    & skf18("10","3","5","3","6","3","1") = "9"
    & skf18("10","3","5","3","6","4","1") = "9"
    & skf18("10","3","5","3","6","5","1") = "9"
    & skf18("10","3","5","3","6","6","1") = "9"
    & skf18("10","3","5","3","6","7","1") = "9"
    & skf18("10","3","5","3","6","8","1") = "9"
    & skf18("10","3","5","3","6","9","1") = "9"
    & skf18("10","3","5","3","6","10","1") = "9"
    & skf18("10","3","5","3","7","1","1") = "9"
    & skf18("10","3","5","3","7","2","1") = "9"
    & skf18("10","3","5","3","7","3","1") = "9"
    & skf18("10","3","5","3","7","4","1") = "9"
    & skf18("10","3","5","3","7","5","1") = "9"
    & skf18("10","3","5","3","7","6","1") = "9"
    & skf18("10","3","5","3","7","7","1") = "9"
    & skf18("10","3","5","3","7","8","1") = "9"
    & skf18("10","3","5","3","7","9","1") = "9"
    & skf18("10","3","5","3","7","10","1") = "9"
    & skf18("10","3","5","3","8","1","1") = "9"
    & skf18("10","3","5","3","8","2","1") = "9"
    & skf18("10","3","5","3","8","3","1") = "9"
    & skf18("10","3","5","3","8","4","1") = "9"
    & skf18("10","3","5","3","8","5","1") = "9"
    & skf18("10","3","5","3","8","6","1") = "9"
    & skf18("10","3","5","3","8","7","1") = "9"
    & skf18("10","3","5","3","8","8","1") = "9"
    & skf18("10","3","5","3","8","9","1") = "9"
    & skf18("10","3","5","3","8","10","1") = "9"
    & skf18("10","3","5","3","9","1","1") = "9"
    & skf18("10","3","5","3","9","2","1") = "9"
    & skf18("10","3","5","3","9","3","1") = "9"
    & skf18("10","3","5","3","9","4","1") = "9"
    & skf18("10","3","5","3","9","5","1") = "9"
    & skf18("10","3","5","3","9","6","1") = "9"
    & skf18("10","3","5","3","9","7","1") = "9"
    & skf18("10","3","5","3","9","8","1") = "9"
    & skf18("10","3","5","3","9","9","1") = "9"
    & skf18("10","3","5","3","9","10","1") = "9"
    & skf18("10","3","5","3","10","1","1") = "9"
    & skf18("10","3","5","3","10","2","1") = "9"
    & skf18("10","3","5","3","10","3","1") = "9"
    & skf18("10","3","5","3","10","4","1") = "9"
    & skf18("10","3","5","3","10","5","1") = "9"
    & skf18("10","3","5","3","10","6","1") = "9"
    & skf18("10","3","5","3","10","7","1") = "9"
    & skf18("10","3","5","3","10","8","1") = "9"
    & skf18("10","3","5","3","10","9","1") = "9"
    & skf18("10","3","5","3","10","10","1") = "9"
    & skf18("10","3","5","4","1","1","1") = "9"
    & skf18("10","3","5","4","1","2","1") = "9"
    & skf18("10","3","5","4","1","3","1") = "9"
    & skf18("10","3","5","4","1","4","1") = "9"
    & skf18("10","3","5","4","1","5","1") = "9"
    & skf18("10","3","5","4","1","6","1") = "9"
    & skf18("10","3","5","4","1","7","1") = "9"
    & skf18("10","3","5","4","1","8","1") = "9"
    & skf18("10","3","5","4","1","9","1") = "9"
    & skf18("10","3","5","4","1","10","1") = "9"
    & skf18("10","3","5","4","2","1","1") = "9"
    & skf18("10","3","5","4","2","2","1") = "9"
    & skf18("10","3","5","4","2","3","1") = "9"
    & skf18("10","3","5","4","2","4","1") = "9"
    & skf18("10","3","5","4","2","5","1") = "9"
    & skf18("10","3","5","4","2","6","1") = "9"
    & skf18("10","3","5","4","2","7","1") = "9"
    & skf18("10","3","5","4","2","8","1") = "9"
    & skf18("10","3","5","4","2","9","1") = "9"
    & skf18("10","3","5","4","2","10","1") = "9"
    & skf18("10","3","5","4","3","1","1") = "9"
    & skf18("10","3","5","4","3","2","1") = "9"
    & skf18("10","3","5","4","3","3","1") = "9"
    & skf18("10","3","5","4","3","4","1") = "9"
    & skf18("10","3","5","4","3","5","1") = "9"
    & skf18("10","3","5","4","3","6","1") = "9"
    & skf18("10","3","5","4","3","7","1") = "9"
    & skf18("10","3","5","4","3","8","1") = "9"
    & skf18("10","3","5","4","3","9","1") = "9"
    & skf18("10","3","5","4","3","10","1") = "9"
    & skf18("10","3","5","4","4","1","1") = "9"
    & skf18("10","3","5","4","4","2","1") = "9"
    & skf18("10","3","5","4","4","3","1") = "9"
    & skf18("10","3","5","4","4","4","1") = "9"
    & skf18("10","3","5","4","4","5","1") = "9"
    & skf18("10","3","5","4","4","6","1") = "9"
    & skf18("10","3","5","4","4","7","1") = "9"
    & skf18("10","3","5","4","4","8","1") = "9"
    & skf18("10","3","5","4","4","9","1") = "9"
    & skf18("10","3","5","4","4","10","1") = "9"
    & skf18("10","3","5","4","5","1","1") = "9"
    & skf18("10","3","5","4","5","2","1") = "9"
    & skf18("10","3","5","4","5","3","1") = "9"
    & skf18("10","3","5","4","5","4","1") = "9"
    & skf18("10","3","5","4","5","5","1") = "9"
    & skf18("10","3","5","4","5","6","1") = "9"
    & skf18("10","3","5","4","5","7","1") = "9"
    & skf18("10","3","5","4","5","8","1") = "9"
    & skf18("10","3","5","4","5","9","1") = "9"
    & skf18("10","3","5","4","5","10","1") = "9"
    & skf18("10","3","5","4","6","1","1") = "9"
    & skf18("10","3","5","4","6","2","1") = "9"
    & skf18("10","3","5","4","6","3","1") = "9"
    & skf18("10","3","5","4","6","4","1") = "9"
    & skf18("10","3","5","4","6","5","1") = "9"
    & skf18("10","3","5","4","6","6","1") = "9"
    & skf18("10","3","5","4","6","7","1") = "9"
    & skf18("10","3","5","4","6","8","1") = "9"
    & skf18("10","3","5","4","6","9","1") = "9"
    & skf18("10","3","5","4","6","10","1") = "9"
    & skf18("10","3","5","4","7","1","1") = "9"
    & skf18("10","3","5","4","7","2","1") = "9"
    & skf18("10","3","5","4","7","3","1") = "9"
    & skf18("10","3","5","4","7","4","1") = "9"
    & skf18("10","3","5","4","7","5","1") = "9"
    & skf18("10","3","5","4","7","6","1") = "9"
    & skf18("10","3","5","4","7","7","1") = "9"
    & skf18("10","3","5","4","7","8","1") = "9"
    & skf18("10","3","5","4","7","9","1") = "9"
    & skf18("10","3","5","4","7","10","1") = "9"
    & skf18("10","3","5","4","8","1","1") = "9"
    & skf18("10","3","5","4","8","2","1") = "9"
    & skf18("10","3","5","4","8","3","1") = "9"
    & skf18("10","3","5","4","8","4","1") = "9"
    & skf18("10","3","5","4","8","5","1") = "9"
    & skf18("10","3","5","4","8","6","1") = "9"
    & skf18("10","3","5","4","8","7","1") = "9"
    & skf18("10","3","5","4","8","8","1") = "9"
    & skf18("10","3","5","4","8","9","1") = "9"
    & skf18("10","3","5","4","8","10","1") = "9"
    & skf18("10","3","5","4","9","1","1") = "9"
    & skf18("10","3","5","4","9","2","1") = "9"
    & skf18("10","3","5","4","9","3","1") = "9"
    & skf18("10","3","5","4","9","4","1") = "9"
    & skf18("10","3","5","4","9","5","1") = "9"
    & skf18("10","3","5","4","9","6","1") = "9"
    & skf18("10","3","5","4","9","7","1") = "9"
    & skf18("10","3","5","4","9","8","1") = "9"
    & skf18("10","3","5","4","9","9","1") = "9"
    & skf18("10","3","5","4","9","10","1") = "9"
    & skf18("10","3","5","4","10","1","1") = "9"
    & skf18("10","3","5","4","10","2","1") = "9"
    & skf18("10","3","5","4","10","3","1") = "9"
    & skf18("10","3","5","4","10","4","1") = "9"
    & skf18("10","3","5","4","10","5","1") = "9"
    & skf18("10","3","5","4","10","6","1") = "9"
    & skf18("10","3","5","4","10","7","1") = "9"
    & skf18("10","3","5","4","10","8","1") = "9"
    & skf18("10","3","5","4","10","9","1") = "9"
    & skf18("10","3","5","4","10","10","1") = "9"
    & skf18("10","3","5","5","1","1","1") = "9"
    & skf18("10","3","5","5","1","2","1") = "9"
    & skf18("10","3","5","5","1","3","1") = "9"
    & skf18("10","3","5","5","1","4","1") = "9"
    & skf18("10","3","5","5","1","5","1") = "9"
    & skf18("10","3","5","5","1","6","1") = "9"
    & skf18("10","3","5","5","1","7","1") = "9"
    & skf18("10","3","5","5","1","8","1") = "9"
    & skf18("10","3","5","5","1","9","1") = "9"
    & skf18("10","3","5","5","1","10","1") = "9"
    & skf18("10","3","5","5","2","1","1") = "9"
    & skf18("10","3","5","5","2","2","1") = "9"
    & skf18("10","3","5","5","2","3","1") = "9"
    & skf18("10","3","5","5","2","4","1") = "9"
    & skf18("10","3","5","5","2","5","1") = "9"
    & skf18("10","3","5","5","2","6","1") = "9"
    & skf18("10","3","5","5","2","7","1") = "9"
    & skf18("10","3","5","5","2","8","1") = "9"
    & skf18("10","3","5","5","2","9","1") = "9"
    & skf18("10","3","5","5","2","10","1") = "9"
    & skf18("10","3","5","5","3","1","1") = "9"
    & skf18("10","3","5","5","3","2","1") = "9"
    & skf18("10","3","5","5","3","3","1") = "9"
    & skf18("10","3","5","5","3","4","1") = "9"
    & skf18("10","3","5","5","3","5","1") = "9"
    & skf18("10","3","5","5","3","6","1") = "9"
    & skf18("10","3","5","5","3","7","1") = "9"
    & skf18("10","3","5","5","3","8","1") = "9"
    & skf18("10","3","5","5","3","9","1") = "9"
    & skf18("10","3","5","5","3","10","1") = "9"
    & skf18("10","3","5","5","4","1","1") = "9"
    & skf18("10","3","5","5","4","2","1") = "9"
    & skf18("10","3","5","5","4","3","1") = "9"
    & skf18("10","3","5","5","4","4","1") = "9"
    & skf18("10","3","5","5","4","5","1") = "9"
    & skf18("10","3","5","5","4","6","1") = "9"
    & skf18("10","3","5","5","4","7","1") = "9"
    & skf18("10","3","5","5","4","8","1") = "9"
    & skf18("10","3","5","5","4","9","1") = "9"
    & skf18("10","3","5","5","4","10","1") = "9"
    & skf18("10","3","5","5","5","1","1") = "9"
    & skf18("10","3","5","5","5","2","1") = "9"
    & skf18("10","3","5","5","5","3","1") = "9"
    & skf18("10","3","5","5","5","4","1") = "9"
    & skf18("10","3","5","5","5","5","1") = "9"
    & skf18("10","3","5","5","5","6","1") = "9"
    & skf18("10","3","5","5","5","7","1") = "9"
    & skf18("10","3","5","5","5","8","1") = "9"
    & skf18("10","3","5","5","5","9","1") = "9"
    & skf18("10","3","5","5","5","10","1") = "9"
    & skf18("10","3","5","5","6","1","1") = "9"
    & skf18("10","3","5","5","6","2","1") = "9"
    & skf18("10","3","5","5","6","3","1") = "9"
    & skf18("10","3","5","5","6","4","1") = "9"
    & skf18("10","3","5","5","6","5","1") = "9"
    & skf18("10","3","5","5","6","6","1") = "9"
    & skf18("10","3","5","5","6","7","1") = "9"
    & skf18("10","3","5","5","6","8","1") = "9"
    & skf18("10","3","5","5","6","9","1") = "9"
    & skf18("10","3","5","5","6","10","1") = "9"
    & skf18("10","3","5","5","7","1","1") = "9"
    & skf18("10","3","5","5","7","2","1") = "9"
    & skf18("10","3","5","5","7","3","1") = "9"
    & skf18("10","3","5","5","7","4","1") = "9"
    & skf18("10","3","5","5","7","5","1") = "9"
    & skf18("10","3","5","5","7","6","1") = "9"
    & skf18("10","3","5","5","7","7","1") = "9"
    & skf18("10","3","5","5","7","8","1") = "9"
    & skf18("10","3","5","5","7","9","1") = "9"
    & skf18("10","3","5","5","7","10","1") = "9"
    & skf18("10","3","5","5","8","1","1") = "9"
    & skf18("10","3","5","5","8","2","1") = "9"
    & skf18("10","3","5","5","8","3","1") = "9"
    & skf18("10","3","5","5","8","4","1") = "9"
    & skf18("10","3","5","5","8","5","1") = "9"
    & skf18("10","3","5","5","8","6","1") = "9"
    & skf18("10","3","5","5","8","7","1") = "9"
    & skf18("10","3","5","5","8","8","1") = "9"
    & skf18("10","3","5","5","8","9","1") = "9"
    & skf18("10","3","5","5","8","10","1") = "9"
    & skf18("10","3","5","5","9","1","1") = "9"
    & skf18("10","3","5","5","9","2","1") = "9"
    & skf18("10","3","5","5","9","3","1") = "9"
    & skf18("10","3","5","5","9","4","1") = "9"
    & skf18("10","3","5","5","9","5","1") = "9"
    & skf18("10","3","5","5","9","6","1") = "9"
    & skf18("10","3","5","5","9","7","1") = "9"
    & skf18("10","3","5","5","9","8","1") = "9"
    & skf18("10","3","5","5","9","9","1") = "9"
    & skf18("10","3","5","5","9","10","1") = "9"
    & skf18("10","3","5","5","10","1","1") = "9"
    & skf18("10","3","5","5","10","2","1") = "9"
    & skf18("10","3","5","5","10","3","1") = "9"
    & skf18("10","3","5","5","10","4","1") = "9"
    & skf18("10","3","5","5","10","5","1") = "9"
    & skf18("10","3","5","5","10","6","1") = "9"
    & skf18("10","3","5","5","10","7","1") = "9"
    & skf18("10","3","5","5","10","8","1") = "9"
    & skf18("10","3","5","5","10","9","1") = "9"
    & skf18("10","3","5","5","10","10","1") = "9"
    & skf18("10","3","5","6","1","1","1") = "9"
    & skf18("10","3","5","6","1","2","1") = "9"
    & skf18("10","3","5","6","1","3","1") = "9"
    & skf18("10","3","5","6","1","4","1") = "9"
    & skf18("10","3","5","6","1","5","1") = "9"
    & skf18("10","3","5","6","1","6","1") = "9"
    & skf18("10","3","5","6","1","7","1") = "9"
    & skf18("10","3","5","6","1","8","1") = "9"
    & skf18("10","3","5","6","1","9","1") = "9"
    & skf18("10","3","5","6","1","10","1") = "9"
    & skf18("10","3","5","6","2","1","1") = "9"
    & skf18("10","3","5","6","2","2","1") = "9"
    & skf18("10","3","5","6","2","3","1") = "9"
    & skf18("10","3","5","6","2","4","1") = "9"
    & skf18("10","3","5","6","2","5","1") = "9"
    & skf18("10","3","5","6","2","6","1") = "9"
    & skf18("10","3","5","6","2","7","1") = "9"
    & skf18("10","3","5","6","2","8","1") = "9"
    & skf18("10","3","5","6","2","9","1") = "9"
    & skf18("10","3","5","6","2","10","1") = "9"
    & skf18("10","3","5","6","3","1","1") = "9"
    & skf18("10","3","5","6","3","2","1") = "9"
    & skf18("10","3","5","6","3","3","1") = "9"
    & skf18("10","3","5","6","3","4","1") = "9"
    & skf18("10","3","5","6","3","5","1") = "9"
    & skf18("10","3","5","6","3","6","1") = "9"
    & skf18("10","3","5","6","3","7","1") = "9"
    & skf18("10","3","5","6","3","8","1") = "9"
    & skf18("10","3","5","6","3","9","1") = "9"
    & skf18("10","3","5","6","3","10","1") = "9"
    & skf18("10","3","5","6","4","1","1") = "9"
    & skf18("10","3","5","6","4","2","1") = "9"
    & skf18("10","3","5","6","4","3","1") = "9"
    & skf18("10","3","5","6","4","4","1") = "9"
    & skf18("10","3","5","6","4","5","1") = "9"
    & skf18("10","3","5","6","4","6","1") = "9"
    & skf18("10","3","5","6","4","7","1") = "9"
    & skf18("10","3","5","6","4","8","1") = "9"
    & skf18("10","3","5","6","4","9","1") = "9"
    & skf18("10","3","5","6","4","10","1") = "9"
    & skf18("10","3","5","6","5","1","1") = "9"
    & skf18("10","3","5","6","5","2","1") = "9"
    & skf18("10","3","5","6","5","3","1") = "9"
    & skf18("10","3","5","6","5","4","1") = "9"
    & skf18("10","3","5","6","5","5","1") = "9"
    & skf18("10","3","5","6","5","6","1") = "9"
    & skf18("10","3","5","6","5","7","1") = "9"
    & skf18("10","3","5","6","5","8","1") = "9"
    & skf18("10","3","5","6","5","9","1") = "9"
    & skf18("10","3","5","6","5","10","1") = "9"
    & skf18("10","3","5","6","6","1","1") = "9"
    & skf18("10","3","5","6","6","2","1") = "9"
    & skf18("10","3","5","6","6","3","1") = "9"
    & skf18("10","3","5","6","6","4","1") = "9"
    & skf18("10","3","5","6","6","5","1") = "9"
    & skf18("10","3","5","6","6","6","1") = "9"
    & skf18("10","3","5","6","6","7","1") = "9"
    & skf18("10","3","5","6","6","8","1") = "9"
    & skf18("10","3","5","6","6","9","1") = "9"
    & skf18("10","3","5","6","6","10","1") = "9"
    & skf18("10","3","5","6","7","1","1") = "9"
    & skf18("10","3","5","6","7","2","1") = "9"
    & skf18("10","3","5","6","7","3","1") = "9"
    & skf18("10","3","5","6","7","4","1") = "9"
    & skf18("10","3","5","6","7","5","1") = "9"
    & skf18("10","3","5","6","7","6","1") = "9"
    & skf18("10","3","5","6","7","7","1") = "9"
    & skf18("10","3","5","6","7","8","1") = "9"
    & skf18("10","3","5","6","7","9","1") = "9"
    & skf18("10","3","5","6","7","10","1") = "9"
    & skf18("10","3","5","6","8","1","1") = "9"
    & skf18("10","3","5","6","8","2","1") = "9"
    & skf18("10","3","5","6","8","3","1") = "9"
    & skf18("10","3","5","6","8","4","1") = "9"
    & skf18("10","3","5","6","8","5","1") = "9"
    & skf18("10","3","5","6","8","6","1") = "9"
    & skf18("10","3","5","6","8","7","1") = "9"
    & skf18("10","3","5","6","8","8","1") = "9"
    & skf18("10","3","5","6","8","9","1") = "9"
    & skf18("10","3","5","6","8","10","1") = "9"
    & skf18("10","3","5","6","9","1","1") = "9"
    & skf18("10","3","5","6","9","2","1") = "9"
    & skf18("10","3","5","6","9","3","1") = "9"
    & skf18("10","3","5","6","9","4","1") = "9"
    & skf18("10","3","5","6","9","5","1") = "9"
    & skf18("10","3","5","6","9","6","1") = "9"
    & skf18("10","3","5","6","9","7","1") = "9"
    & skf18("10","3","5","6","9","8","1") = "9"
    & skf18("10","3","5","6","9","9","1") = "9"
    & skf18("10","3","5","6","9","10","1") = "9"
    & skf18("10","3","5","6","10","1","1") = "9"
    & skf18("10","3","5","6","10","2","1") = "9"
    & skf18("10","3","5","6","10","3","1") = "9"
    & skf18("10","3","5","6","10","4","1") = "9"
    & skf18("10","3","5","6","10","5","1") = "9"
    & skf18("10","3","5","6","10","6","1") = "9"
    & skf18("10","3","5","6","10","7","1") = "9"
    & skf18("10","3","5","6","10","8","1") = "9"
    & skf18("10","3","5","6","10","9","1") = "9"
    & skf18("10","3","5","6","10","10","1") = "9"
    & skf18("10","3","5","7","1","1","1") = "9"
    & skf18("10","3","5","7","1","2","1") = "9"
    & skf18("10","3","5","7","1","3","1") = "9"
    & skf18("10","3","5","7","1","4","1") = "9"
    & skf18("10","3","5","7","1","5","1") = "9"
    & skf18("10","3","5","7","1","6","1") = "9"
    & skf18("10","3","5","7","1","7","1") = "9"
    & skf18("10","3","5","7","1","8","1") = "9"
    & skf18("10","3","5","7","1","9","1") = "9"
    & skf18("10","3","5","7","1","10","1") = "9"
    & skf18("10","3","5","7","2","1","1") = "9"
    & skf18("10","3","5","7","2","2","1") = "9"
    & skf18("10","3","5","7","2","3","1") = "9"
    & skf18("10","3","5","7","2","4","1") = "9"
    & skf18("10","3","5","7","2","5","1") = "9"
    & skf18("10","3","5","7","2","6","1") = "9"
    & skf18("10","3","5","7","2","7","1") = "9"
    & skf18("10","3","5","7","2","8","1") = "9"
    & skf18("10","3","5","7","2","9","1") = "9"
    & skf18("10","3","5","7","2","10","1") = "9"
    & skf18("10","3","5","7","3","1","1") = "9"
    & skf18("10","3","5","7","3","2","1") = "9"
    & skf18("10","3","5","7","3","3","1") = "9"
    & skf18("10","3","5","7","3","4","1") = "9"
    & skf18("10","3","5","7","3","5","1") = "9"
    & skf18("10","3","5","7","3","6","1") = "9"
    & skf18("10","3","5","7","3","7","1") = "9"
    & skf18("10","3","5","7","3","8","1") = "9"
    & skf18("10","3","5","7","3","9","1") = "9"
    & skf18("10","3","5","7","3","10","1") = "9"
    & skf18("10","3","5","7","4","1","1") = "9"
    & skf18("10","3","5","7","4","2","1") = "9"
    & skf18("10","3","5","7","4","3","1") = "9"
    & skf18("10","3","5","7","4","4","1") = "9"
    & skf18("10","3","5","7","4","5","1") = "9"
    & skf18("10","3","5","7","4","6","1") = "9"
    & skf18("10","3","5","7","4","7","1") = "9"
    & skf18("10","3","5","7","4","8","1") = "9"
    & skf18("10","3","5","7","4","9","1") = "9"
    & skf18("10","3","5","7","4","10","1") = "9"
    & skf18("10","3","5","7","5","1","1") = "9"
    & skf18("10","3","5","7","5","2","1") = "9"
    & skf18("10","3","5","7","5","3","1") = "9"
    & skf18("10","3","5","7","5","4","1") = "9"
    & skf18("10","3","5","7","5","5","1") = "9"
    & skf18("10","3","5","7","5","6","1") = "9"
    & skf18("10","3","5","7","5","7","1") = "9"
    & skf18("10","3","5","7","5","8","1") = "9"
    & skf18("10","3","5","7","5","9","1") = "9"
    & skf18("10","3","5","7","5","10","1") = "9"
    & skf18("10","3","5","7","6","1","1") = "9"
    & skf18("10","3","5","7","6","2","1") = "9"
    & skf18("10","3","5","7","6","3","1") = "9"
    & skf18("10","3","5","7","6","4","1") = "9"
    & skf18("10","3","5","7","6","5","1") = "9"
    & skf18("10","3","5","7","6","6","1") = "9"
    & skf18("10","3","5","7","6","7","1") = "9"
    & skf18("10","3","5","7","6","8","1") = "9"
    & skf18("10","3","5","7","6","9","1") = "9"
    & skf18("10","3","5","7","6","10","1") = "9"
    & skf18("10","3","5","7","7","1","1") = "9"
    & skf18("10","3","5","7","7","2","1") = "9"
    & skf18("10","3","5","7","7","3","1") = "9"
    & skf18("10","3","5","7","7","4","1") = "9"
    & skf18("10","3","5","7","7","5","1") = "9"
    & skf18("10","3","5","7","7","6","1") = "9"
    & skf18("10","3","5","7","7","7","1") = "9"
    & skf18("10","3","5","7","7","8","1") = "9"
    & skf18("10","3","5","7","7","9","1") = "9"
    & skf18("10","3","5","7","7","10","1") = "9"
    & skf18("10","3","5","7","8","1","1") = "9"
    & skf18("10","3","5","7","8","2","1") = "9"
    & skf18("10","3","5","7","8","3","1") = "9"
    & skf18("10","3","5","7","8","4","1") = "9"
    & skf18("10","3","5","7","8","5","1") = "9"
    & skf18("10","3","5","7","8","6","1") = "9"
    & skf18("10","3","5","7","8","7","1") = "9"
    & skf18("10","3","5","7","8","8","1") = "9"
    & skf18("10","3","5","7","8","9","1") = "9"
    & skf18("10","3","5","7","8","10","1") = "9"
    & skf18("10","3","5","7","9","1","1") = "9"
    & skf18("10","3","5","7","9","2","1") = "9"
    & skf18("10","3","5","7","9","3","1") = "9"
    & skf18("10","3","5","7","9","4","1") = "9"
    & skf18("10","3","5","7","9","5","1") = "9"
    & skf18("10","3","5","7","9","6","1") = "9"
    & skf18("10","3","5","7","9","7","1") = "9"
    & skf18("10","3","5","7","9","8","1") = "9"
    & skf18("10","3","5","7","9","9","1") = "9"
    & skf18("10","3","5","7","9","10","1") = "9"
    & skf18("10","3","5","7","10","1","1") = "9"
    & skf18("10","3","5","7","10","2","1") = "9"
    & skf18("10","3","5","7","10","3","1") = "9"
    & skf18("10","3","5","7","10","4","1") = "9"
    & skf18("10","3","5","7","10","5","1") = "9"
    & skf18("10","3","5","7","10","6","1") = "9"
    & skf18("10","3","5","7","10","7","1") = "9"
    & skf18("10","3","5","7","10","8","1") = "9"
    & skf18("10","3","5","7","10","9","1") = "9"
    & skf18("10","3","5","7","10","10","1") = "9"
    & skf18("10","3","5","8","1","1","1") = "9"
    & skf18("10","3","5","8","1","2","1") = "9"
    & skf18("10","3","5","8","1","3","1") = "9"
    & skf18("10","3","5","8","1","4","1") = "9"
    & skf18("10","3","5","8","1","5","1") = "9"
    & skf18("10","3","5","8","1","6","1") = "9"
    & skf18("10","3","5","8","1","7","1") = "9"
    & skf18("10","3","5","8","1","8","1") = "9"
    & skf18("10","3","5","8","1","9","1") = "9"
    & skf18("10","3","5","8","1","10","1") = "9"
    & skf18("10","3","5","8","2","1","1") = "9"
    & skf18("10","3","5","8","2","2","1") = "9"
    & skf18("10","3","5","8","2","3","1") = "9"
    & skf18("10","3","5","8","2","4","1") = "9"
    & skf18("10","3","5","8","2","5","1") = "9"
    & skf18("10","3","5","8","2","6","1") = "9"
    & skf18("10","3","5","8","2","7","1") = "9"
    & skf18("10","3","5","8","2","8","1") = "9"
    & skf18("10","3","5","8","2","9","1") = "9"
    & skf18("10","3","5","8","2","10","1") = "9"
    & skf18("10","3","5","8","3","1","1") = "9"
    & skf18("10","3","5","8","3","2","1") = "9"
    & skf18("10","3","5","8","3","3","1") = "9"
    & skf18("10","3","5","8","3","4","1") = "9"
    & skf18("10","3","5","8","3","5","1") = "9"
    & skf18("10","3","5","8","3","6","1") = "9"
    & skf18("10","3","5","8","3","7","1") = "9"
    & skf18("10","3","5","8","3","8","1") = "9"
    & skf18("10","3","5","8","3","9","1") = "9"
    & skf18("10","3","5","8","3","10","1") = "9"
    & skf18("10","3","5","8","4","1","1") = "9"
    & skf18("10","3","5","8","4","2","1") = "9"
    & skf18("10","3","5","8","4","3","1") = "9"
    & skf18("10","3","5","8","4","4","1") = "9"
    & skf18("10","3","5","8","4","5","1") = "9"
    & skf18("10","3","5","8","4","6","1") = "9"
    & skf18("10","3","5","8","4","7","1") = "9"
    & skf18("10","3","5","8","4","8","1") = "9"
    & skf18("10","3","5","8","4","9","1") = "9"
    & skf18("10","3","5","8","4","10","1") = "9"
    & skf18("10","3","5","8","5","1","1") = "9"
    & skf18("10","3","5","8","5","2","1") = "9"
    & skf18("10","3","5","8","5","3","1") = "9"
    & skf18("10","3","5","8","5","4","1") = "9"
    & skf18("10","3","5","8","5","5","1") = "9"
    & skf18("10","3","5","8","5","6","1") = "9"
    & skf18("10","3","5","8","5","7","1") = "9"
    & skf18("10","3","5","8","5","8","1") = "9"
    & skf18("10","3","5","8","5","9","1") = "9"
    & skf18("10","3","5","8","5","10","1") = "9"
    & skf18("10","3","5","8","6","1","1") = "9"
    & skf18("10","3","5","8","6","2","1") = "9"
    & skf18("10","3","5","8","6","3","1") = "9"
    & skf18("10","3","5","8","6","4","1") = "9"
    & skf18("10","3","5","8","6","5","1") = "9"
    & skf18("10","3","5","8","6","6","1") = "9"
    & skf18("10","3","5","8","6","7","1") = "9"
    & skf18("10","3","5","8","6","8","1") = "9"
    & skf18("10","3","5","8","6","9","1") = "9"
    & skf18("10","3","5","8","6","10","1") = "9"
    & skf18("10","3","5","8","7","1","1") = "9"
    & skf18("10","3","5","8","7","2","1") = "9"
    & skf18("10","3","5","8","7","3","1") = "9"
    & skf18("10","3","5","8","7","4","1") = "9"
    & skf18("10","3","5","8","7","5","1") = "9"
    & skf18("10","3","5","8","7","6","1") = "9"
    & skf18("10","3","5","8","7","7","1") = "9"
    & skf18("10","3","5","8","7","8","1") = "9"
    & skf18("10","3","5","8","7","9","1") = "9"
    & skf18("10","3","5","8","7","10","1") = "9"
    & skf18("10","3","5","8","8","1","1") = "9"
    & skf18("10","3","5","8","8","2","1") = "9"
    & skf18("10","3","5","8","8","3","1") = "9"
    & skf18("10","3","5","8","8","4","1") = "9"
    & skf18("10","3","5","8","8","5","1") = "9"
    & skf18("10","3","5","8","8","6","1") = "9"
    & skf18("10","3","5","8","8","7","1") = "9"
    & skf18("10","3","5","8","8","8","1") = "9"
    & skf18("10","3","5","8","8","9","1") = "9"
    & skf18("10","3","5","8","8","10","1") = "9"
    & skf18("10","3","5","8","9","1","1") = "9"
    & skf18("10","3","5","8","9","2","1") = "9"
    & skf18("10","3","5","8","9","3","1") = "9"
    & skf18("10","3","5","8","9","4","1") = "9"
    & skf18("10","3","5","8","9","5","1") = "9"
    & skf18("10","3","5","8","9","6","1") = "9"
    & skf18("10","3","5","8","9","7","1") = "9"
    & skf18("10","3","5","8","9","8","1") = "9"
    & skf18("10","3","5","8","9","9","1") = "9"
    & skf18("10","3","5","8","9","10","1") = "9"
    & skf18("10","3","5","8","10","1","1") = "9"
    & skf18("10","3","5","8","10","2","1") = "9"
    & skf18("10","3","5","8","10","3","1") = "9"
    & skf18("10","3","5","8","10","4","1") = "9"
    & skf18("10","3","5","8","10","5","1") = "9"
    & skf18("10","3","5","8","10","6","1") = "9"
    & skf18("10","3","5","8","10","7","1") = "9"
    & skf18("10","3","5","8","10","8","1") = "9"
    & skf18("10","3","5","8","10","9","1") = "9"
    & skf18("10","3","5","8","10","10","1") = "9"
    & skf18("10","3","5","9","1","1","1") = "9"
    & skf18("10","3","5","9","1","2","1") = "9"
    & skf18("10","3","5","9","1","3","1") = "9"
    & skf18("10","3","5","9","1","4","1") = "9"
    & skf18("10","3","5","9","1","5","1") = "9"
    & skf18("10","3","5","9","1","6","1") = "9"
    & skf18("10","3","5","9","1","7","1") = "9"
    & skf18("10","3","5","9","1","8","1") = "9"
    & skf18("10","3","5","9","1","9","1") = "9"
    & skf18("10","3","5","9","1","10","1") = "9"
    & skf18("10","3","5","9","2","1","1") = "9"
    & skf18("10","3","5","9","2","2","1") = "9"
    & skf18("10","3","5","9","2","3","1") = "9"
    & skf18("10","3","5","9","2","4","1") = "9"
    & skf18("10","3","5","9","2","5","1") = "9"
    & skf18("10","3","5","9","2","6","1") = "9"
    & skf18("10","3","5","9","2","7","1") = "9"
    & skf18("10","3","5","9","2","8","1") = "9"
    & skf18("10","3","5","9","2","9","1") = "9"
    & skf18("10","3","5","9","2","10","1") = "9"
    & skf18("10","3","5","9","3","1","1") = "9"
    & skf18("10","3","5","9","3","2","1") = "9"
    & skf18("10","3","5","9","3","3","1") = "9"
    & skf18("10","3","5","9","3","4","1") = "9"
    & skf18("10","3","5","9","3","5","1") = "9"
    & skf18("10","3","5","9","3","6","1") = "9"
    & skf18("10","3","5","9","3","7","1") = "9"
    & skf18("10","3","5","9","3","8","1") = "9"
    & skf18("10","3","5","9","3","9","1") = "9"
    & skf18("10","3","5","9","3","10","1") = "9"
    & skf18("10","3","5","9","4","1","1") = "9"
    & skf18("10","3","5","9","4","2","1") = "9"
    & skf18("10","3","5","9","4","3","1") = "9"
    & skf18("10","3","5","9","4","4","1") = "9"
    & skf18("10","3","5","9","4","5","1") = "9"
    & skf18("10","3","5","9","4","6","1") = "9"
    & skf18("10","3","5","9","4","7","1") = "9"
    & skf18("10","3","5","9","4","8","1") = "9"
    & skf18("10","3","5","9","4","9","1") = "9"
    & skf18("10","3","5","9","4","10","1") = "9"
    & skf18("10","3","5","9","5","1","1") = "9"
    & skf18("10","3","5","9","5","2","1") = "9"
    & skf18("10","3","5","9","5","3","1") = "9"
    & skf18("10","3","5","9","5","4","1") = "9"
    & skf18("10","3","5","9","5","5","1") = "9"
    & skf18("10","3","5","9","5","6","1") = "9"
    & skf18("10","3","5","9","5","7","1") = "9"
    & skf18("10","3","5","9","5","8","1") = "9"
    & skf18("10","3","5","9","5","9","1") = "9"
    & skf18("10","3","5","9","5","10","1") = "9"
    & skf18("10","3","5","9","6","1","1") = "9"
    & skf18("10","3","5","9","6","2","1") = "9"
    & skf18("10","3","5","9","6","3","1") = "9"
    & skf18("10","3","5","9","6","4","1") = "9"
    & skf18("10","3","5","9","6","5","1") = "9"
    & skf18("10","3","5","9","6","6","1") = "9"
    & skf18("10","3","5","9","6","7","1") = "9"
    & skf18("10","3","5","9","6","8","1") = "9"
    & skf18("10","3","5","9","6","9","1") = "9"
    & skf18("10","3","5","9","6","10","1") = "9"
    & skf18("10","3","5","9","7","1","1") = "9"
    & skf18("10","3","5","9","7","2","1") = "9"
    & skf18("10","3","5","9","7","3","1") = "9"
    & skf18("10","3","5","9","7","4","1") = "9"
    & skf18("10","3","5","9","7","5","1") = "9"
    & skf18("10","3","5","9","7","6","1") = "9"
    & skf18("10","3","5","9","7","7","1") = "9"
    & skf18("10","3","5","9","7","8","1") = "9"
    & skf18("10","3","5","9","7","9","1") = "9"
    & skf18("10","3","5","9","7","10","1") = "9"
    & skf18("10","3","5","9","8","1","1") = "9"
    & skf18("10","3","5","9","8","2","1") = "9"
    & skf18("10","3","5","9","8","3","1") = "9"
    & skf18("10","3","5","9","8","4","1") = "9"
    & skf18("10","3","5","9","8","5","1") = "9"
    & skf18("10","3","5","9","8","6","1") = "9"
    & skf18("10","3","5","9","8","7","1") = "9"
    & skf18("10","3","5","9","8","8","1") = "9"
    & skf18("10","3","5","9","8","9","1") = "9"
    & skf18("10","3","5","9","8","10","1") = "9"
    & skf18("10","3","5","9","9","1","1") = "9"
    & skf18("10","3","5","9","9","2","1") = "9"
    & skf18("10","3","5","9","9","3","1") = "9"
    & skf18("10","3","5","9","9","4","1") = "9"
    & skf18("10","3","5","9","9","5","1") = "9"
    & skf18("10","3","5","9","9","6","1") = "9"
    & skf18("10","3","5","9","9","7","1") = "9"
    & skf18("10","3","5","9","9","8","1") = "9"
    & skf18("10","3","5","9","9","9","1") = "9"
    & skf18("10","3","5","9","9","10","1") = "9"
    & skf18("10","3","5","9","10","1","1") = "9"
    & skf18("10","3","5","9","10","2","1") = "9"
    & skf18("10","3","5","9","10","3","1") = "9"
    & skf18("10","3","5","9","10","4","1") = "9"
    & skf18("10","3","5","9","10","5","1") = "9"
    & skf18("10","3","5","9","10","6","1") = "9"
    & skf18("10","3","5","9","10","7","1") = "9"
    & skf18("10","3","5","9","10","8","1") = "9"
    & skf18("10","3","5","9","10","9","1") = "9"
    & skf18("10","3","5","9","10","10","1") = "9"
    & skf18("10","3","5","10","1","1","1") = "9"
    & skf18("10","3","5","10","1","2","1") = "9"
    & skf18("10","3","5","10","1","3","1") = "9"
    & skf18("10","3","5","10","1","4","1") = "9"
    & skf18("10","3","5","10","1","5","1") = "9"
    & skf18("10","3","5","10","1","6","1") = "9"
    & skf18("10","3","5","10","1","7","1") = "9"
    & skf18("10","3","5","10","1","8","1") = "9"
    & skf18("10","3","5","10","1","9","1") = "9"
    & skf18("10","3","5","10","1","10","1") = "9"
    & skf18("10","3","5","10","2","1","1") = "9"
    & skf18("10","3","5","10","2","2","1") = "9"
    & skf18("10","3","5","10","2","3","1") = "9"
    & skf18("10","3","5","10","2","4","1") = "9"
    & skf18("10","3","5","10","2","5","1") = "9"
    & skf18("10","3","5","10","2","6","1") = "9"
    & skf18("10","3","5","10","2","7","1") = "9"
    & skf18("10","3","5","10","2","8","1") = "9"
    & skf18("10","3","5","10","2","9","1") = "9"
    & skf18("10","3","5","10","2","10","1") = "9"
    & skf18("10","3","5","10","3","1","1") = "9"
    & skf18("10","3","5","10","3","2","1") = "9"
    & skf18("10","3","5","10","3","3","1") = "9"
    & skf18("10","3","5","10","3","4","1") = "9"
    & skf18("10","3","5","10","3","5","1") = "9"
    & skf18("10","3","5","10","3","6","1") = "9"
    & skf18("10","3","5","10","3","7","1") = "9"
    & skf18("10","3","5","10","3","8","1") = "9"
    & skf18("10","3","5","10","3","9","1") = "9"
    & skf18("10","3","5","10","3","10","1") = "9"
    & skf18("10","3","5","10","4","1","1") = "9"
    & skf18("10","3","5","10","4","2","1") = "9"
    & skf18("10","3","5","10","4","3","1") = "9"
    & skf18("10","3","5","10","4","4","1") = "9"
    & skf18("10","3","5","10","4","5","1") = "9"
    & skf18("10","3","5","10","4","6","1") = "9"
    & skf18("10","3","5","10","4","7","1") = "9"
    & skf18("10","3","5","10","4","8","1") = "9"
    & skf18("10","3","5","10","4","9","1") = "9"
    & skf18("10","3","5","10","4","10","1") = "9"
    & skf18("10","3","5","10","5","1","1") = "9"
    & skf18("10","3","5","10","5","2","1") = "9"
    & skf18("10","3","5","10","5","3","1") = "9"
    & skf18("10","3","5","10","5","4","1") = "9"
    & skf18("10","3","5","10","5","5","1") = "9"
    & skf18("10","3","5","10","5","6","1") = "9"
    & skf18("10","3","5","10","5","7","1") = "9"
    & skf18("10","3","5","10","5","8","1") = "9"
    & skf18("10","3","5","10","5","9","1") = "9"
    & skf18("10","3","5","10","5","10","1") = "9"
    & skf18("10","3","5","10","6","1","1") = "9"
    & skf18("10","3","5","10","6","2","1") = "9"
    & skf18("10","3","5","10","6","3","1") = "9"
    & skf18("10","3","5","10","6","4","1") = "9"
    & skf18("10","3","5","10","6","5","1") = "9"
    & skf18("10","3","5","10","6","6","1") = "9"
    & skf18("10","3","5","10","6","7","1") = "9"
    & skf18("10","3","5","10","6","8","1") = "9"
    & skf18("10","3","5","10","6","9","1") = "9"
    & skf18("10","3","5","10","6","10","1") = "9"
    & skf18("10","3","5","10","7","1","1") = "9"
    & skf18("10","3","5","10","7","2","1") = "9"
    & skf18("10","3","5","10","7","3","1") = "9"
    & skf18("10","3","5","10","7","4","1") = "9"
    & skf18("10","3","5","10","7","5","1") = "9"
    & skf18("10","3","5","10","7","6","1") = "9"
    & skf18("10","3","5","10","7","7","1") = "9"
    & skf18("10","3","5","10","7","8","1") = "9"
    & skf18("10","3","5","10","7","9","1") = "9"
    & skf18("10","3","5","10","7","10","1") = "9"
    & skf18("10","3","5","10","8","1","1") = "9"
    & skf18("10","3","5","10","8","2","1") = "9"
    & skf18("10","3","5","10","8","3","1") = "9"
    & skf18("10","3","5","10","8","4","1") = "9"
    & skf18("10","3","5","10","8","5","1") = "9"
    & skf18("10","3","5","10","8","6","1") = "9"
    & skf18("10","3","5","10","8","7","1") = "9"
    & skf18("10","3","5","10","8","8","1") = "9"
    & skf18("10","3","5","10","8","9","1") = "9"
    & skf18("10","3","5","10","8","10","1") = "9"
    & skf18("10","3","5","10","9","1","1") = "9"
    & skf18("10","3","5","10","9","2","1") = "9"
    & skf18("10","3","5","10","9","3","1") = "9"
    & skf18("10","3","5","10","9","4","1") = "9"
    & skf18("10","3","5","10","9","5","1") = "9"
    & skf18("10","3","5","10","9","6","1") = "9"
    & skf18("10","3","5","10","9","7","1") = "9"
    & skf18("10","3","5","10","9","8","1") = "9"
    & skf18("10","3","5","10","9","9","1") = "9"
    & skf18("10","3","5","10","9","10","1") = "9"
    & skf18("10","3","5","10","10","1","1") = "9"
    & skf18("10","3","5","10","10","2","1") = "9"
    & skf18("10","3","5","10","10","3","1") = "9"
    & skf18("10","3","5","10","10","4","1") = "9"
    & skf18("10","3","5","10","10","5","1") = "9"
    & skf18("10","3","5","10","10","6","1") = "9"
    & skf18("10","3","5","10","10","7","1") = "9"
    & skf18("10","3","5","10","10","8","1") = "9"
    & skf18("10","3","5","10","10","9","1") = "9"
    & skf18("10","3","5","10","10","10","1") = "9"
    & skf18("10","3","6","1","1","1","1") = "9"
    & skf18("10","3","6","1","1","2","1") = "9"
    & skf18("10","3","6","1","1","3","1") = "9"
    & skf18("10","3","6","1","1","4","1") = "9"
    & skf18("10","3","6","1","1","5","1") = "9"
    & skf18("10","3","6","1","1","6","1") = "9"
    & skf18("10","3","6","1","1","7","1") = "9"
    & skf18("10","3","6","1","1","8","1") = "9"
    & skf18("10","3","6","1","1","9","1") = "9"
    & skf18("10","3","6","1","1","10","1") = "9"
    & skf18("10","3","6","1","2","1","1") = "9"
    & skf18("10","3","6","1","2","2","1") = "9"
    & skf18("10","3","6","1","2","3","1") = "9"
    & skf18("10","3","6","1","2","4","1") = "9"
    & skf18("10","3","6","1","2","5","1") = "9"
    & skf18("10","3","6","1","2","6","1") = "9"
    & skf18("10","3","6","1","2","7","1") = "9"
    & skf18("10","3","6","1","2","8","1") = "9"
    & skf18("10","3","6","1","2","9","1") = "9"
    & skf18("10","3","6","1","2","10","1") = "9"
    & skf18("10","3","6","1","3","1","1") = "9"
    & skf18("10","3","6","1","3","2","1") = "9"
    & skf18("10","3","6","1","3","3","1") = "9"
    & skf18("10","3","6","1","3","4","1") = "9"
    & skf18("10","3","6","1","3","5","1") = "9"
    & skf18("10","3","6","1","3","6","1") = "9"
    & skf18("10","3","6","1","3","7","1") = "9"
    & skf18("10","3","6","1","3","8","1") = "9"
    & skf18("10","3","6","1","3","9","1") = "9"
    & skf18("10","3","6","1","3","10","1") = "9"
    & skf18("10","3","6","1","4","1","1") = "9"
    & skf18("10","3","6","1","4","2","1") = "9"
    & skf18("10","3","6","1","4","3","1") = "9"
    & skf18("10","3","6","1","4","4","1") = "9"
    & skf18("10","3","6","1","4","5","1") = "9"
    & skf18("10","3","6","1","4","6","1") = "9"
    & skf18("10","3","6","1","4","7","1") = "9"
    & skf18("10","3","6","1","4","8","1") = "9"
    & skf18("10","3","6","1","4","9","1") = "9"
    & skf18("10","3","6","1","4","10","1") = "9"
    & skf18("10","3","6","1","5","1","1") = "9"
    & skf18("10","3","6","1","5","2","1") = "9"
    & skf18("10","3","6","1","5","3","1") = "9"
    & skf18("10","3","6","1","5","4","1") = "9"
    & skf18("10","3","6","1","5","5","1") = "9"
    & skf18("10","3","6","1","5","6","1") = "9"
    & skf18("10","3","6","1","5","7","1") = "9"
    & skf18("10","3","6","1","5","8","1") = "9"
    & skf18("10","3","6","1","5","9","1") = "9"
    & skf18("10","3","6","1","5","10","1") = "9"
    & skf18("10","3","6","1","6","1","1") = "9"
    & skf18("10","3","6","1","6","2","1") = "9"
    & skf18("10","3","6","1","6","3","1") = "9"
    & skf18("10","3","6","1","6","4","1") = "9"
    & skf18("10","3","6","1","6","5","1") = "9"
    & skf18("10","3","6","1","6","6","1") = "9"
    & skf18("10","3","6","1","6","7","1") = "9"
    & skf18("10","3","6","1","6","8","1") = "9"
    & skf18("10","3","6","1","6","9","1") = "9"
    & skf18("10","3","6","1","6","10","1") = "9"
    & skf18("10","3","6","1","7","1","1") = "9"
    & skf18("10","3","6","1","7","2","1") = "9"
    & skf18("10","3","6","1","7","3","1") = "9"
    & skf18("10","3","6","1","7","4","1") = "9"
    & skf18("10","3","6","1","7","5","1") = "9"
    & skf18("10","3","6","1","7","6","1") = "9"
    & skf18("10","3","6","1","7","7","1") = "9"
    & skf18("10","3","6","1","7","8","1") = "9"
    & skf18("10","3","6","1","7","9","1") = "9"
    & skf18("10","3","6","1","7","10","1") = "9"
    & skf18("10","3","6","1","8","1","1") = "9"
    & skf18("10","3","6","1","8","2","1") = "9"
    & skf18("10","3","6","1","8","3","1") = "9"
    & skf18("10","3","6","1","8","4","1") = "9"
    & skf18("10","3","6","1","8","5","1") = "9"
    & skf18("10","3","6","1","8","6","1") = "9"
    & skf18("10","3","6","1","8","7","1") = "9"
    & skf18("10","3","6","1","8","8","1") = "9"
    & skf18("10","3","6","1","8","9","1") = "9"
    & skf18("10","3","6","1","8","10","1") = "9"
    & skf18("10","3","6","1","9","1","1") = "9"
    & skf18("10","3","6","1","9","2","1") = "9"
    & skf18("10","3","6","1","9","3","1") = "9"
    & skf18("10","3","6","1","9","4","1") = "9"
    & skf18("10","3","6","1","9","5","1") = "9"
    & skf18("10","3","6","1","9","6","1") = "9"
    & skf18("10","3","6","1","9","7","1") = "9"
    & skf18("10","3","6","1","9","8","1") = "9"
    & skf18("10","3","6","1","9","9","1") = "9"
    & skf18("10","3","6","1","9","10","1") = "9"
    & skf18("10","3","6","1","10","1","1") = "9"
    & skf18("10","3","6","1","10","2","1") = "9"
    & skf18("10","3","6","1","10","3","1") = "9"
    & skf18("10","3","6","1","10","4","1") = "9"
    & skf18("10","3","6","1","10","5","1") = "9"
    & skf18("10","3","6","1","10","6","1") = "9"
    & skf18("10","3","6","1","10","7","1") = "9"
    & skf18("10","3","6","1","10","8","1") = "9"
    & skf18("10","3","6","1","10","9","1") = "9"
    & skf18("10","3","6","1","10","10","1") = "9"
    & skf18("10","3","6","2","1","1","1") = "9"
    & skf18("10","3","6","2","1","2","1") = "9"
    & skf18("10","3","6","2","1","3","1") = "9"
    & skf18("10","3","6","2","1","4","1") = "9"
    & skf18("10","3","6","2","1","5","1") = "9"
    & skf18("10","3","6","2","1","6","1") = "9"
    & skf18("10","3","6","2","1","7","1") = "9"
    & skf18("10","3","6","2","1","8","1") = "9"
    & skf18("10","3","6","2","1","9","1") = "9"
    & skf18("10","3","6","2","1","10","1") = "9"
    & skf18("10","3","6","2","2","1","1") = "9"
    & skf18("10","3","6","2","2","2","1") = "9"
    & skf18("10","3","6","2","2","3","1") = "9"
    & skf18("10","3","6","2","2","4","1") = "9"
    & skf18("10","3","6","2","2","5","1") = "9"
    & skf18("10","3","6","2","2","6","1") = "9"
    & skf18("10","3","6","2","2","7","1") = "9"
    & skf18("10","3","6","2","2","8","1") = "9"
    & skf18("10","3","6","2","2","9","1") = "9"
    & skf18("10","3","6","2","2","10","1") = "9"
    & skf18("10","3","6","2","3","1","1") = "9"
    & skf18("10","3","6","2","3","2","1") = "9"
    & skf18("10","3","6","2","3","3","1") = "9"
    & skf18("10","3","6","2","3","4","1") = "9"
    & skf18("10","3","6","2","3","5","1") = "9"
    & skf18("10","3","6","2","3","6","1") = "9"
    & skf18("10","3","6","2","3","7","1") = "9"
    & skf18("10","3","6","2","3","8","1") = "9"
    & skf18("10","3","6","2","3","9","1") = "9"
    & skf18("10","3","6","2","3","10","1") = "9"
    & skf18("10","3","6","2","4","1","1") = "9"
    & skf18("10","3","6","2","4","2","1") = "9"
    & skf18("10","3","6","2","4","3","1") = "9"
    & skf18("10","3","6","2","4","4","1") = "9"
    & skf18("10","3","6","2","4","5","1") = "9"
    & skf18("10","3","6","2","4","6","1") = "9"
    & skf18("10","3","6","2","4","7","1") = "9"
    & skf18("10","3","6","2","4","8","1") = "9"
    & skf18("10","3","6","2","4","9","1") = "9"
    & skf18("10","3","6","2","4","10","1") = "9"
    & skf18("10","3","6","2","5","1","1") = "9"
    & skf18("10","3","6","2","5","2","1") = "9"
    & skf18("10","3","6","2","5","3","1") = "9"
    & skf18("10","3","6","2","5","4","1") = "9"
    & skf18("10","3","6","2","5","5","1") = "9"
    & skf18("10","3","6","2","5","6","1") = "9"
    & skf18("10","3","6","2","5","7","1") = "9"
    & skf18("10","3","6","2","5","8","1") = "9"
    & skf18("10","3","6","2","5","9","1") = "9"
    & skf18("10","3","6","2","5","10","1") = "9"
    & skf18("10","3","6","2","6","1","1") = "9"
    & skf18("10","3","6","2","6","2","1") = "9"
    & skf18("10","3","6","2","6","3","1") = "9"
    & skf18("10","3","6","2","6","4","1") = "9"
    & skf18("10","3","6","2","6","5","1") = "9"
    & skf18("10","3","6","2","6","6","1") = "9"
    & skf18("10","3","6","2","6","7","1") = "9"
    & skf18("10","3","6","2","6","8","1") = "9"
    & skf18("10","3","6","2","6","9","1") = "9"
    & skf18("10","3","6","2","6","10","1") = "9"
    & skf18("10","3","6","2","7","1","1") = "9"
    & skf18("10","3","6","2","7","2","1") = "9"
    & skf18("10","3","6","2","7","3","1") = "9"
    & skf18("10","3","6","2","7","4","1") = "9"
    & skf18("10","3","6","2","7","5","1") = "9"
    & skf18("10","3","6","2","7","6","1") = "9"
    & skf18("10","3","6","2","7","7","1") = "9"
    & skf18("10","3","6","2","7","8","1") = "9"
    & skf18("10","3","6","2","7","9","1") = "9"
    & skf18("10","3","6","2","7","10","1") = "9"
    & skf18("10","3","6","2","8","1","1") = "9"
    & skf18("10","3","6","2","8","2","1") = "9"
    & skf18("10","3","6","2","8","3","1") = "9"
    & skf18("10","3","6","2","8","4","1") = "9"
    & skf18("10","3","6","2","8","5","1") = "9"
    & skf18("10","3","6","2","8","6","1") = "9"
    & skf18("10","3","6","2","8","7","1") = "9"
    & skf18("10","3","6","2","8","8","1") = "9"
    & skf18("10","3","6","2","8","9","1") = "9"
    & skf18("10","3","6","2","8","10","1") = "9"
    & skf18("10","3","6","2","9","1","1") = "9"
    & skf18("10","3","6","2","9","2","1") = "9"
    & skf18("10","3","6","2","9","3","1") = "9"
    & skf18("10","3","6","2","9","4","1") = "9"
    & skf18("10","3","6","2","9","5","1") = "9"
    & skf18("10","3","6","2","9","6","1") = "9"
    & skf18("10","3","6","2","9","7","1") = "9"
    & skf18("10","3","6","2","9","8","1") = "9"
    & skf18("10","3","6","2","9","9","1") = "9"
    & skf18("10","3","6","2","9","10","1") = "9"
    & skf18("10","3","6","2","10","1","1") = "9"
    & skf18("10","3","6","2","10","2","1") = "9"
    & skf18("10","3","6","2","10","3","1") = "9"
    & skf18("10","3","6","2","10","4","1") = "9"
    & skf18("10","3","6","2","10","5","1") = "9"
    & skf18("10","3","6","2","10","6","1") = "9"
    & skf18("10","3","6","2","10","7","1") = "9"
    & skf18("10","3","6","2","10","8","1") = "9"
    & skf18("10","3","6","2","10","9","1") = "9"
    & skf18("10","3","6","2","10","10","1") = "9"
    & skf18("10","3","6","3","1","1","1") = "9"
    & skf18("10","3","6","3","1","2","1") = "9"
    & skf18("10","3","6","3","1","3","1") = "9"
    & skf18("10","3","6","3","1","4","1") = "9"
    & skf18("10","3","6","3","1","5","1") = "9"
    & skf18("10","3","6","3","1","6","1") = "9"
    & skf18("10","3","6","3","1","7","1") = "9"
    & skf18("10","3","6","3","1","8","1") = "9"
    & skf18("10","3","6","3","1","9","1") = "9"
    & skf18("10","3","6","3","1","10","1") = "9"
    & skf18("10","3","6","3","2","1","1") = "9"
    & skf18("10","3","6","3","2","2","1") = "9"
    & skf18("10","3","6","3","2","3","1") = "9"
    & skf18("10","3","6","3","2","4","1") = "9"
    & skf18("10","3","6","3","2","5","1") = "9"
    & skf18("10","3","6","3","2","6","1") = "9"
    & skf18("10","3","6","3","2","7","1") = "9"
    & skf18("10","3","6","3","2","8","1") = "9"
    & skf18("10","3","6","3","2","9","1") = "9"
    & skf18("10","3","6","3","2","10","1") = "9"
    & skf18("10","3","6","3","3","1","1") = "9"
    & skf18("10","3","6","3","3","2","1") = "9"
    & skf18("10","3","6","3","3","3","1") = "9"
    & skf18("10","3","6","3","3","4","1") = "9"
    & skf18("10","3","6","3","3","5","1") = "9"
    & skf18("10","3","6","3","3","6","1") = "9"
    & skf18("10","3","6","3","3","7","1") = "9"
    & skf18("10","3","6","3","3","8","1") = "9"
    & skf18("10","3","6","3","3","9","1") = "9"
    & skf18("10","3","6","3","3","10","1") = "9"
    & skf18("10","3","6","3","4","1","1") = "9"
    & skf18("10","3","6","3","4","2","1") = "9"
    & skf18("10","3","6","3","4","3","1") = "9"
    & skf18("10","3","6","3","4","4","1") = "9"
    & skf18("10","3","6","3","4","5","1") = "9"
    & skf18("10","3","6","3","4","6","1") = "9"
    & skf18("10","3","6","3","4","7","1") = "9"
    & skf18("10","3","6","3","4","8","1") = "9"
    & skf18("10","3","6","3","4","9","1") = "9"
    & skf18("10","3","6","3","4","10","1") = "9"
    & skf18("10","3","6","3","5","1","1") = "9"
    & skf18("10","3","6","3","5","2","1") = "9"
    & skf18("10","3","6","3","5","3","1") = "9"
    & skf18("10","3","6","3","5","4","1") = "9"
    & skf18("10","3","6","3","5","5","1") = "9"
    & skf18("10","3","6","3","5","6","1") = "9"
    & skf18("10","3","6","3","5","7","1") = "9"
    & skf18("10","3","6","3","5","8","1") = "9"
    & skf18("10","3","6","3","5","9","1") = "9"
    & skf18("10","3","6","3","5","10","1") = "9"
    & skf18("10","3","6","3","6","1","1") = "9"
    & skf18("10","3","6","3","6","2","1") = "9"
    & skf18("10","3","6","3","6","3","1") = "9"
    & skf18("10","3","6","3","6","4","1") = "9"
    & skf18("10","3","6","3","6","5","1") = "9"
    & skf18("10","3","6","3","6","6","1") = "9"
    & skf18("10","3","6","3","6","7","1") = "9"
    & skf18("10","3","6","3","6","8","1") = "9"
    & skf18("10","3","6","3","6","9","1") = "9"
    & skf18("10","3","6","3","6","10","1") = "9"
    & skf18("10","3","6","3","7","1","1") = "9"
    & skf18("10","3","6","3","7","2","1") = "9"
    & skf18("10","3","6","3","7","3","1") = "9"
    & skf18("10","3","6","3","7","4","1") = "9"
    & skf18("10","3","6","3","7","5","1") = "9"
    & skf18("10","3","6","3","7","6","1") = "9"
    & skf18("10","3","6","3","7","7","1") = "9"
    & skf18("10","3","6","3","7","8","1") = "9"
    & skf18("10","3","6","3","7","9","1") = "9"
    & skf18("10","3","6","3","7","10","1") = "9"
    & skf18("10","3","6","3","8","1","1") = "9"
    & skf18("10","3","6","3","8","2","1") = "9"
    & skf18("10","3","6","3","8","3","1") = "9"
    & skf18("10","3","6","3","8","4","1") = "9"
    & skf18("10","3","6","3","8","5","1") = "9"
    & skf18("10","3","6","3","8","6","1") = "9"
    & skf18("10","3","6","3","8","7","1") = "9"
    & skf18("10","3","6","3","8","8","1") = "9"
    & skf18("10","3","6","3","8","9","1") = "9"
    & skf18("10","3","6","3","8","10","1") = "9"
    & skf18("10","3","6","3","9","1","1") = "9"
    & skf18("10","3","6","3","9","2","1") = "9"
    & skf18("10","3","6","3","9","3","1") = "9"
    & skf18("10","3","6","3","9","4","1") = "9"
    & skf18("10","3","6","3","9","5","1") = "9"
    & skf18("10","3","6","3","9","6","1") = "9"
    & skf18("10","3","6","3","9","7","1") = "9"
    & skf18("10","3","6","3","9","8","1") = "9"
    & skf18("10","3","6","3","9","9","1") = "9"
    & skf18("10","3","6","3","9","10","1") = "9"
    & skf18("10","3","6","3","10","1","1") = "9"
    & skf18("10","3","6","3","10","2","1") = "9"
    & skf18("10","3","6","3","10","3","1") = "9"
    & skf18("10","3","6","3","10","4","1") = "9"
    & skf18("10","3","6","3","10","5","1") = "9"
    & skf18("10","3","6","3","10","6","1") = "9"
    & skf18("10","3","6","3","10","7","1") = "9"
    & skf18("10","3","6","3","10","8","1") = "9"
    & skf18("10","3","6","3","10","9","1") = "9"
    & skf18("10","3","6","3","10","10","1") = "9"
    & skf18("10","3","6","4","1","1","1") = "9"
    & skf18("10","3","6","4","1","2","1") = "9"
    & skf18("10","3","6","4","1","3","1") = "9"
    & skf18("10","3","6","4","1","4","1") = "9"
    & skf18("10","3","6","4","1","5","1") = "9"
    & skf18("10","3","6","4","1","6","1") = "9"
    & skf18("10","3","6","4","1","7","1") = "9"
    & skf18("10","3","6","4","1","8","1") = "9"
    & skf18("10","3","6","4","1","9","1") = "9"
    & skf18("10","3","6","4","1","10","1") = "9"
    & skf18("10","3","6","4","2","1","1") = "9"
    & skf18("10","3","6","4","2","2","1") = "9"
    & skf18("10","3","6","4","2","3","1") = "9"
    & skf18("10","3","6","4","2","4","1") = "9"
    & skf18("10","3","6","4","2","5","1") = "9"
    & skf18("10","3","6","4","2","6","1") = "9"
    & skf18("10","3","6","4","2","7","1") = "9"
    & skf18("10","3","6","4","2","8","1") = "9"
    & skf18("10","3","6","4","2","9","1") = "9"
    & skf18("10","3","6","4","2","10","1") = "9"
    & skf18("10","3","6","4","3","1","1") = "9"
    & skf18("10","3","6","4","3","2","1") = "9"
    & skf18("10","3","6","4","3","3","1") = "9"
    & skf18("10","3","6","4","3","4","1") = "9"
    & skf18("10","3","6","4","3","5","1") = "9"
    & skf18("10","3","6","4","3","6","1") = "9"
    & skf18("10","3","6","4","3","7","1") = "9"
    & skf18("10","3","6","4","3","8","1") = "9"
    & skf18("10","3","6","4","3","9","1") = "9"
    & skf18("10","3","6","4","3","10","1") = "9"
    & skf18("10","3","6","4","4","1","1") = "9"
    & skf18("10","3","6","4","4","2","1") = "9"
    & skf18("10","3","6","4","4","3","1") = "9"
    & skf18("10","3","6","4","4","4","1") = "9"
    & skf18("10","3","6","4","4","5","1") = "9"
    & skf18("10","3","6","4","4","6","1") = "9"
    & skf18("10","3","6","4","4","7","1") = "9"
    & skf18("10","3","6","4","4","8","1") = "9"
    & skf18("10","3","6","4","4","9","1") = "9"
    & skf18("10","3","6","4","4","10","1") = "9"
    & skf18("10","3","6","4","5","1","1") = "9"
    & skf18("10","3","6","4","5","2","1") = "9"
    & skf18("10","3","6","4","5","3","1") = "9"
    & skf18("10","3","6","4","5","4","1") = "9"
    & skf18("10","3","6","4","5","5","1") = "9"
    & skf18("10","3","6","4","5","6","1") = "9"
    & skf18("10","3","6","4","5","7","1") = "9"
    & skf18("10","3","6","4","5","8","1") = "9"
    & skf18("10","3","6","4","5","9","1") = "9"
    & skf18("10","3","6","4","5","10","1") = "9"
    & skf18("10","3","6","4","6","1","1") = "9"
    & skf18("10","3","6","4","6","2","1") = "9"
    & skf18("10","3","6","4","6","3","1") = "9"
    & skf18("10","3","6","4","6","4","1") = "9"
    & skf18("10","3","6","4","6","5","1") = "9"
    & skf18("10","3","6","4","6","6","1") = "9"
    & skf18("10","3","6","4","6","7","1") = "9"
    & skf18("10","3","6","4","6","8","1") = "9"
    & skf18("10","3","6","4","6","9","1") = "9"
    & skf18("10","3","6","4","6","10","1") = "9"
    & skf18("10","3","6","4","7","1","1") = "9"
    & skf18("10","3","6","4","7","2","1") = "9"
    & skf18("10","3","6","4","7","3","1") = "9"
    & skf18("10","3","6","4","7","4","1") = "9"
    & skf18("10","3","6","4","7","5","1") = "9"
    & skf18("10","3","6","4","7","6","1") = "9"
    & skf18("10","3","6","4","7","7","1") = "9"
    & skf18("10","3","6","4","7","8","1") = "9"
    & skf18("10","3","6","4","7","9","1") = "9"
    & skf18("10","3","6","4","7","10","1") = "9"
    & skf18("10","3","6","4","8","1","1") = "9"
    & skf18("10","3","6","4","8","2","1") = "9"
    & skf18("10","3","6","4","8","3","1") = "9"
    & skf18("10","3","6","4","8","4","1") = "9"
    & skf18("10","3","6","4","8","5","1") = "9"
    & skf18("10","3","6","4","8","6","1") = "9"
    & skf18("10","3","6","4","8","7","1") = "9"
    & skf18("10","3","6","4","8","8","1") = "9"
    & skf18("10","3","6","4","8","9","1") = "9"
    & skf18("10","3","6","4","8","10","1") = "9"
    & skf18("10","3","6","4","9","1","1") = "9"
    & skf18("10","3","6","4","9","2","1") = "9"
    & skf18("10","3","6","4","9","3","1") = "9"
    & skf18("10","3","6","4","9","4","1") = "9"
    & skf18("10","3","6","4","9","5","1") = "9"
    & skf18("10","3","6","4","9","6","1") = "9"
    & skf18("10","3","6","4","9","7","1") = "9"
    & skf18("10","3","6","4","9","8","1") = "9"
    & skf18("10","3","6","4","9","9","1") = "9"
    & skf18("10","3","6","4","9","10","1") = "9"
    & skf18("10","3","6","4","10","1","1") = "9"
    & skf18("10","3","6","4","10","2","1") = "9"
    & skf18("10","3","6","4","10","3","1") = "9"
    & skf18("10","3","6","4","10","4","1") = "9"
    & skf18("10","3","6","4","10","5","1") = "9"
    & skf18("10","3","6","4","10","6","1") = "9"
    & skf18("10","3","6","4","10","7","1") = "9"
    & skf18("10","3","6","4","10","8","1") = "9"
    & skf18("10","3","6","4","10","9","1") = "9"
    & skf18("10","3","6","4","10","10","1") = "9"
    & skf18("10","3","6","5","1","1","1") = "9"
    & skf18("10","3","6","5","1","2","1") = "9"
    & skf18("10","3","6","5","1","3","1") = "9"
    & skf18("10","3","6","5","1","4","1") = "9"
    & skf18("10","3","6","5","1","5","1") = "9"
    & skf18("10","3","6","5","1","6","1") = "9"
    & skf18("10","3","6","5","1","7","1") = "9"
    & skf18("10","3","6","5","1","8","1") = "9"
    & skf18("10","3","6","5","1","9","1") = "9"
    & skf18("10","3","6","5","1","10","1") = "9"
    & skf18("10","3","6","5","2","1","1") = "9"
    & skf18("10","3","6","5","2","2","1") = "9"
    & skf18("10","3","6","5","2","3","1") = "9"
    & skf18("10","3","6","5","2","4","1") = "9"
    & skf18("10","3","6","5","2","5","1") = "9"
    & skf18("10","3","6","5","2","6","1") = "9"
    & skf18("10","3","6","5","2","7","1") = "9"
    & skf18("10","3","6","5","2","8","1") = "9"
    & skf18("10","3","6","5","2","9","1") = "9"
    & skf18("10","3","6","5","2","10","1") = "9"
    & skf18("10","3","6","5","3","1","1") = "9"
    & skf18("10","3","6","5","3","2","1") = "9"
    & skf18("10","3","6","5","3","3","1") = "9"
    & skf18("10","3","6","5","3","4","1") = "9"
    & skf18("10","3","6","5","3","5","1") = "9"
    & skf18("10","3","6","5","3","6","1") = "9"
    & skf18("10","3","6","5","3","7","1") = "9"
    & skf18("10","3","6","5","3","8","1") = "9"
    & skf18("10","3","6","5","3","9","1") = "9"
    & skf18("10","3","6","5","3","10","1") = "9"
    & skf18("10","3","6","5","4","1","1") = "9"
    & skf18("10","3","6","5","4","2","1") = "9"
    & skf18("10","3","6","5","4","3","1") = "9"
    & skf18("10","3","6","5","4","4","1") = "9"
    & skf18("10","3","6","5","4","5","1") = "9"
    & skf18("10","3","6","5","4","6","1") = "9"
    & skf18("10","3","6","5","4","7","1") = "9"
    & skf18("10","3","6","5","4","8","1") = "9"
    & skf18("10","3","6","5","4","9","1") = "9"
    & skf18("10","3","6","5","4","10","1") = "9"
    & skf18("10","3","6","5","5","1","1") = "9"
    & skf18("10","3","6","5","5","2","1") = "9"
    & skf18("10","3","6","5","5","3","1") = "9"
    & skf18("10","3","6","5","5","4","1") = "9"
    & skf18("10","3","6","5","5","5","1") = "9"
    & skf18("10","3","6","5","5","6","1") = "9"
    & skf18("10","3","6","5","5","7","1") = "9"
    & skf18("10","3","6","5","5","8","1") = "9"
    & skf18("10","3","6","5","5","9","1") = "9"
    & skf18("10","3","6","5","5","10","1") = "9"
    & skf18("10","3","6","5","6","1","1") = "9"
    & skf18("10","3","6","5","6","2","1") = "9"
    & skf18("10","3","6","5","6","3","1") = "9"
    & skf18("10","3","6","5","6","4","1") = "9"
    & skf18("10","3","6","5","6","5","1") = "9"
    & skf18("10","3","6","5","6","6","1") = "9"
    & skf18("10","3","6","5","6","7","1") = "9"
    & skf18("10","3","6","5","6","8","1") = "9"
    & skf18("10","3","6","5","6","9","1") = "9"
    & skf18("10","3","6","5","6","10","1") = "9"
    & skf18("10","3","6","5","7","1","1") = "9"
    & skf18("10","3","6","5","7","2","1") = "9"
    & skf18("10","3","6","5","7","3","1") = "9"
    & skf18("10","3","6","5","7","4","1") = "9"
    & skf18("10","3","6","5","7","5","1") = "9"
    & skf18("10","3","6","5","7","6","1") = "9"
    & skf18("10","3","6","5","7","7","1") = "9"
    & skf18("10","3","6","5","7","8","1") = "9"
    & skf18("10","3","6","5","7","9","1") = "9"
    & skf18("10","3","6","5","7","10","1") = "9"
    & skf18("10","3","6","5","8","1","1") = "9"
    & skf18("10","3","6","5","8","2","1") = "9"
    & skf18("10","3","6","5","8","3","1") = "9"
    & skf18("10","3","6","5","8","4","1") = "9"
    & skf18("10","3","6","5","8","5","1") = "9"
    & skf18("10","3","6","5","8","6","1") = "9"
    & skf18("10","3","6","5","8","7","1") = "9"
    & skf18("10","3","6","5","8","8","1") = "9"
    & skf18("10","3","6","5","8","9","1") = "9"
    & skf18("10","3","6","5","8","10","1") = "9"
    & skf18("10","3","6","5","9","1","1") = "9"
    & skf18("10","3","6","5","9","2","1") = "9"
    & skf18("10","3","6","5","9","3","1") = "9"
    & skf18("10","3","6","5","9","4","1") = "9"
    & skf18("10","3","6","5","9","5","1") = "9"
    & skf18("10","3","6","5","9","6","1") = "9"
    & skf18("10","3","6","5","9","7","1") = "9"
    & skf18("10","3","6","5","9","8","1") = "9"
    & skf18("10","3","6","5","9","9","1") = "9"
    & skf18("10","3","6","5","9","10","1") = "9"
    & skf18("10","3","6","5","10","1","1") = "9"
    & skf18("10","3","6","5","10","2","1") = "9"
    & skf18("10","3","6","5","10","3","1") = "9"
    & skf18("10","3","6","5","10","4","1") = "9"
    & skf18("10","3","6","5","10","5","1") = "9"
    & skf18("10","3","6","5","10","6","1") = "9"
    & skf18("10","3","6","5","10","7","1") = "9"
    & skf18("10","3","6","5","10","8","1") = "9"
    & skf18("10","3","6","5","10","9","1") = "9"
    & skf18("10","3","6","5","10","10","1") = "9"
    & skf18("10","3","6","6","1","1","1") = "9"
    & skf18("10","3","6","6","1","2","1") = "9"
    & skf18("10","3","6","6","1","3","1") = "9"
    & skf18("10","3","6","6","1","4","1") = "9"
    & skf18("10","3","6","6","1","5","1") = "9"
    & skf18("10","3","6","6","1","6","1") = "9"
    & skf18("10","3","6","6","1","7","1") = "9"
    & skf18("10","3","6","6","1","8","1") = "9"
    & skf18("10","3","6","6","1","9","1") = "9"
    & skf18("10","3","6","6","1","10","1") = "9"
    & skf18("10","3","6","6","2","1","1") = "9"
    & skf18("10","3","6","6","2","2","1") = "9"
    & skf18("10","3","6","6","2","3","1") = "9"
    & skf18("10","3","6","6","2","4","1") = "9"
    & skf18("10","3","6","6","2","5","1") = "9"
    & skf18("10","3","6","6","2","6","1") = "9"
    & skf18("10","3","6","6","2","7","1") = "9"
    & skf18("10","3","6","6","2","8","1") = "9"
    & skf18("10","3","6","6","2","9","1") = "9"
    & skf18("10","3","6","6","2","10","1") = "9"
    & skf18("10","3","6","6","3","1","1") = "9"
    & skf18("10","3","6","6","3","2","1") = "9"
    & skf18("10","3","6","6","3","3","1") = "9"
    & skf18("10","3","6","6","3","4","1") = "9"
    & skf18("10","3","6","6","3","5","1") = "9"
    & skf18("10","3","6","6","3","6","1") = "9"
    & skf18("10","3","6","6","3","7","1") = "9"
    & skf18("10","3","6","6","3","8","1") = "9"
    & skf18("10","3","6","6","3","9","1") = "9"
    & skf18("10","3","6","6","3","10","1") = "9"
    & skf18("10","3","6","6","4","1","1") = "9"
    & skf18("10","3","6","6","4","2","1") = "9"
    & skf18("10","3","6","6","4","3","1") = "9"
    & skf18("10","3","6","6","4","4","1") = "9"
    & skf18("10","3","6","6","4","5","1") = "9"
    & skf18("10","3","6","6","4","6","1") = "9"
    & skf18("10","3","6","6","4","7","1") = "9"
    & skf18("10","3","6","6","4","8","1") = "9"
    & skf18("10","3","6","6","4","9","1") = "9"
    & skf18("10","3","6","6","4","10","1") = "9"
    & skf18("10","3","6","6","5","1","1") = "9"
    & skf18("10","3","6","6","5","2","1") = "9"
    & skf18("10","3","6","6","5","3","1") = "9"
    & skf18("10","3","6","6","5","4","1") = "9"
    & skf18("10","3","6","6","5","5","1") = "9"
    & skf18("10","3","6","6","5","6","1") = "9"
    & skf18("10","3","6","6","5","7","1") = "9"
    & skf18("10","3","6","6","5","8","1") = "9"
    & skf18("10","3","6","6","5","9","1") = "9"
    & skf18("10","3","6","6","5","10","1") = "9"
    & skf18("10","3","6","6","6","1","1") = "9"
    & skf18("10","3","6","6","6","2","1") = "9"
    & skf18("10","3","6","6","6","3","1") = "9"
    & skf18("10","3","6","6","6","4","1") = "9"
    & skf18("10","3","6","6","6","5","1") = "9"
    & skf18("10","3","6","6","6","6","1") = "9"
    & skf18("10","3","6","6","6","7","1") = "9"
    & skf18("10","3","6","6","6","8","1") = "9"
    & skf18("10","3","6","6","6","9","1") = "9"
    & skf18("10","3","6","6","6","10","1") = "9"
    & skf18("10","3","6","6","7","1","1") = "9"
    & skf18("10","3","6","6","7","2","1") = "9"
    & skf18("10","3","6","6","7","3","1") = "9"
    & skf18("10","3","6","6","7","4","1") = "9"
    & skf18("10","3","6","6","7","5","1") = "9"
    & skf18("10","3","6","6","7","6","1") = "9"
    & skf18("10","3","6","6","7","7","1") = "9"
    & skf18("10","3","6","6","7","8","1") = "9"
    & skf18("10","3","6","6","7","9","1") = "9"
    & skf18("10","3","6","6","7","10","1") = "9"
    & skf18("10","3","6","6","8","1","1") = "9"
    & skf18("10","3","6","6","8","2","1") = "9"
    & skf18("10","3","6","6","8","3","1") = "9"
    & skf18("10","3","6","6","8","4","1") = "9"
    & skf18("10","3","6","6","8","5","1") = "9"
    & skf18("10","3","6","6","8","6","1") = "9"
    & skf18("10","3","6","6","8","7","1") = "9"
    & skf18("10","3","6","6","8","8","1") = "9"
    & skf18("10","3","6","6","8","9","1") = "9"
    & skf18("10","3","6","6","8","10","1") = "9"
    & skf18("10","3","6","6","9","1","1") = "9"
    & skf18("10","3","6","6","9","2","1") = "9"
    & skf18("10","3","6","6","9","3","1") = "9"
    & skf18("10","3","6","6","9","4","1") = "9"
    & skf18("10","3","6","6","9","5","1") = "9"
    & skf18("10","3","6","6","9","6","1") = "9"
    & skf18("10","3","6","6","9","7","1") = "9"
    & skf18("10","3","6","6","9","8","1") = "9"
    & skf18("10","3","6","6","9","9","1") = "9"
    & skf18("10","3","6","6","9","10","1") = "9"
    & skf18("10","3","6","6","10","1","1") = "9"
    & skf18("10","3","6","6","10","2","1") = "9"
    & skf18("10","3","6","6","10","3","1") = "9"
    & skf18("10","3","6","6","10","4","1") = "9"
    & skf18("10","3","6","6","10","5","1") = "9"
    & skf18("10","3","6","6","10","6","1") = "9"
    & skf18("10","3","6","6","10","7","1") = "9"
    & skf18("10","3","6","6","10","8","1") = "9"
    & skf18("10","3","6","6","10","9","1") = "9"
    & skf18("10","3","6","6","10","10","1") = "9"
    & skf18("10","3","6","7","1","1","1") = "9"
    & skf18("10","3","6","7","1","2","1") = "9"
    & skf18("10","3","6","7","1","3","1") = "9"
    & skf18("10","3","6","7","1","4","1") = "9"
    & skf18("10","3","6","7","1","5","1") = "9"
    & skf18("10","3","6","7","1","6","1") = "9"
    & skf18("10","3","6","7","1","7","1") = "9"
    & skf18("10","3","6","7","1","8","1") = "9"
    & skf18("10","3","6","7","1","9","1") = "9"
    & skf18("10","3","6","7","1","10","1") = "9"
    & skf18("10","3","6","7","2","1","1") = "9"
    & skf18("10","3","6","7","2","2","1") = "9"
    & skf18("10","3","6","7","2","3","1") = "9"
    & skf18("10","3","6","7","2","4","1") = "9"
    & skf18("10","3","6","7","2","5","1") = "9"
    & skf18("10","3","6","7","2","6","1") = "9"
    & skf18("10","3","6","7","2","7","1") = "9"
    & skf18("10","3","6","7","2","8","1") = "9"
    & skf18("10","3","6","7","2","9","1") = "9"
    & skf18("10","3","6","7","2","10","1") = "9"
    & skf18("10","3","6","7","3","1","1") = "9"
    & skf18("10","3","6","7","3","2","1") = "9"
    & skf18("10","3","6","7","3","3","1") = "9"
    & skf18("10","3","6","7","3","4","1") = "9"
    & skf18("10","3","6","7","3","5","1") = "9"
    & skf18("10","3","6","7","3","6","1") = "9"
    & skf18("10","3","6","7","3","7","1") = "9"
    & skf18("10","3","6","7","3","8","1") = "9"
    & skf18("10","3","6","7","3","9","1") = "9"
    & skf18("10","3","6","7","3","10","1") = "9"
    & skf18("10","3","6","7","4","1","1") = "9"
    & skf18("10","3","6","7","4","2","1") = "9"
    & skf18("10","3","6","7","4","3","1") = "9"
    & skf18("10","3","6","7","4","4","1") = "9"
    & skf18("10","3","6","7","4","5","1") = "9"
    & skf18("10","3","6","7","4","6","1") = "9"
    & skf18("10","3","6","7","4","7","1") = "9"
    & skf18("10","3","6","7","4","8","1") = "9"
    & skf18("10","3","6","7","4","9","1") = "9"
    & skf18("10","3","6","7","4","10","1") = "9"
    & skf18("10","3","6","7","5","1","1") = "9"
    & skf18("10","3","6","7","5","2","1") = "9"
    & skf18("10","3","6","7","5","3","1") = "9"
    & skf18("10","3","6","7","5","4","1") = "9"
    & skf18("10","3","6","7","5","5","1") = "9"
    & skf18("10","3","6","7","5","6","1") = "9"
    & skf18("10","3","6","7","5","7","1") = "9"
    & skf18("10","3","6","7","5","8","1") = "9"
    & skf18("10","3","6","7","5","9","1") = "9"
    & skf18("10","3","6","7","5","10","1") = "9"
    & skf18("10","3","6","7","6","1","1") = "9"
    & skf18("10","3","6","7","6","2","1") = "9"
    & skf18("10","3","6","7","6","3","1") = "9"
    & skf18("10","3","6","7","6","4","1") = "9"
    & skf18("10","3","6","7","6","5","1") = "9"
    & skf18("10","3","6","7","6","6","1") = "9"
    & skf18("10","3","6","7","6","7","1") = "9"
    & skf18("10","3","6","7","6","8","1") = "9"
    & skf18("10","3","6","7","6","9","1") = "9"
    & skf18("10","3","6","7","6","10","1") = "9"
    & skf18("10","3","6","7","7","1","1") = "9"
    & skf18("10","3","6","7","7","2","1") = "9"
    & skf18("10","3","6","7","7","3","1") = "9"
    & skf18("10","3","6","7","7","4","1") = "9"
    & skf18("10","3","6","7","7","5","1") = "9"
    & skf18("10","3","6","7","7","6","1") = "9"
    & skf18("10","3","6","7","7","7","1") = "9"
    & skf18("10","3","6","7","7","8","1") = "9"
    & skf18("10","3","6","7","7","9","1") = "9"
    & skf18("10","3","6","7","7","10","1") = "9"
    & skf18("10","3","6","7","8","1","1") = "9"
    & skf18("10","3","6","7","8","2","1") = "9"
    & skf18("10","3","6","7","8","3","1") = "9"
    & skf18("10","3","6","7","8","4","1") = "9"
    & skf18("10","3","6","7","8","5","1") = "9"
    & skf18("10","3","6","7","8","6","1") = "9"
    & skf18("10","3","6","7","8","7","1") = "9"
    & skf18("10","3","6","7","8","8","1") = "9"
    & skf18("10","3","6","7","8","9","1") = "9"
    & skf18("10","3","6","7","8","10","1") = "9"
    & skf18("10","3","6","7","9","1","1") = "9"
    & skf18("10","3","6","7","9","2","1") = "9"
    & skf18("10","3","6","7","9","3","1") = "9"
    & skf18("10","3","6","7","9","4","1") = "9"
    & skf18("10","3","6","7","9","5","1") = "9"
    & skf18("10","3","6","7","9","6","1") = "9"
    & skf18("10","3","6","7","9","7","1") = "9"
    & skf18("10","3","6","7","9","8","1") = "9"
    & skf18("10","3","6","7","9","9","1") = "9"
    & skf18("10","3","6","7","9","10","1") = "9"
    & skf18("10","3","6","7","10","1","1") = "9"
    & skf18("10","3","6","7","10","2","1") = "9"
    & skf18("10","3","6","7","10","3","1") = "9"
    & skf18("10","3","6","7","10","4","1") = "9"
    & skf18("10","3","6","7","10","5","1") = "9"
    & skf18("10","3","6","7","10","6","1") = "9"
    & skf18("10","3","6","7","10","7","1") = "9"
    & skf18("10","3","6","7","10","8","1") = "9"
    & skf18("10","3","6","7","10","9","1") = "9"
    & skf18("10","3","6","7","10","10","1") = "9"
    & skf18("10","3","6","8","1","1","1") = "9"
    & skf18("10","3","6","8","1","2","1") = "9"
    & skf18("10","3","6","8","1","3","1") = "9"
    & skf18("10","3","6","8","1","4","1") = "9"
    & skf18("10","3","6","8","1","5","1") = "9"
    & skf18("10","3","6","8","1","6","1") = "9"
    & skf18("10","3","6","8","1","7","1") = "9"
    & skf18("10","3","6","8","1","8","1") = "9"
    & skf18("10","3","6","8","1","9","1") = "9"
    & skf18("10","3","6","8","1","10","1") = "9"
    & skf18("10","3","6","8","2","1","1") = "9"
    & skf18("10","3","6","8","2","2","1") = "9"
    & skf18("10","3","6","8","2","3","1") = "9"
    & skf18("10","3","6","8","2","4","1") = "9"
    & skf18("10","3","6","8","2","5","1") = "9"
    & skf18("10","3","6","8","2","6","1") = "9"
    & skf18("10","3","6","8","2","7","1") = "9"
    & skf18("10","3","6","8","2","8","1") = "9"
    & skf18("10","3","6","8","2","9","1") = "9"
    & skf18("10","3","6","8","2","10","1") = "9"
    & skf18("10","3","6","8","3","1","1") = "9"
    & skf18("10","3","6","8","3","2","1") = "9"
    & skf18("10","3","6","8","3","3","1") = "9"
    & skf18("10","3","6","8","3","4","1") = "9"
    & skf18("10","3","6","8","3","5","1") = "9"
    & skf18("10","3","6","8","3","6","1") = "9"
    & skf18("10","3","6","8","3","7","1") = "9"
    & skf18("10","3","6","8","3","8","1") = "9"
    & skf18("10","3","6","8","3","9","1") = "9"
    & skf18("10","3","6","8","3","10","1") = "9"
    & skf18("10","3","6","8","4","1","1") = "9"
    & skf18("10","3","6","8","4","2","1") = "9"
    & skf18("10","3","6","8","4","3","1") = "9"
    & skf18("10","3","6","8","4","4","1") = "9"
    & skf18("10","3","6","8","4","5","1") = "9"
    & skf18("10","3","6","8","4","6","1") = "9"
    & skf18("10","3","6","8","4","7","1") = "9"
    & skf18("10","3","6","8","4","8","1") = "9"
    & skf18("10","3","6","8","4","9","1") = "9"
    & skf18("10","3","6","8","4","10","1") = "9"
    & skf18("10","3","6","8","5","1","1") = "9"
    & skf18("10","3","6","8","5","2","1") = "9"
    & skf18("10","3","6","8","5","3","1") = "9"
    & skf18("10","3","6","8","5","4","1") = "9"
    & skf18("10","3","6","8","5","5","1") = "9"
    & skf18("10","3","6","8","5","6","1") = "9"
    & skf18("10","3","6","8","5","7","1") = "9"
    & skf18("10","3","6","8","5","8","1") = "9"
    & skf18("10","3","6","8","5","9","1") = "9"
    & skf18("10","3","6","8","5","10","1") = "9"
    & skf18("10","3","6","8","6","1","1") = "9"
    & skf18("10","3","6","8","6","2","1") = "9"
    & skf18("10","3","6","8","6","3","1") = "9"
    & skf18("10","3","6","8","6","4","1") = "9"
    & skf18("10","3","6","8","6","5","1") = "9"
    & skf18("10","3","6","8","6","6","1") = "9"
    & skf18("10","3","6","8","6","7","1") = "9"
    & skf18("10","3","6","8","6","8","1") = "9"
    & skf18("10","3","6","8","6","9","1") = "9"
    & skf18("10","3","6","8","6","10","1") = "9"
    & skf18("10","3","6","8","7","1","1") = "9"
    & skf18("10","3","6","8","7","2","1") = "9"
    & skf18("10","3","6","8","7","3","1") = "9"
    & skf18("10","3","6","8","7","4","1") = "9"
    & skf18("10","3","6","8","7","5","1") = "9"
    & skf18("10","3","6","8","7","6","1") = "9"
    & skf18("10","3","6","8","7","7","1") = "9"
    & skf18("10","3","6","8","7","8","1") = "9"
    & skf18("10","3","6","8","7","9","1") = "9"
    & skf18("10","3","6","8","7","10","1") = "9"
    & skf18("10","3","6","8","8","1","1") = "9"
    & skf18("10","3","6","8","8","2","1") = "9"
    & skf18("10","3","6","8","8","3","1") = "9"
    & skf18("10","3","6","8","8","4","1") = "9"
    & skf18("10","3","6","8","8","5","1") = "9"
    & skf18("10","3","6","8","8","6","1") = "9"
    & skf18("10","3","6","8","8","7","1") = "9"
    & skf18("10","3","6","8","8","8","1") = "9"
    & skf18("10","3","6","8","8","9","1") = "9"
    & skf18("10","3","6","8","8","10","1") = "9"
    & skf18("10","3","6","8","9","1","1") = "9"
    & skf18("10","3","6","8","9","2","1") = "9"
    & skf18("10","3","6","8","9","3","1") = "9"
    & skf18("10","3","6","8","9","4","1") = "9"
    & skf18("10","3","6","8","9","5","1") = "9"
    & skf18("10","3","6","8","9","6","1") = "9"
    & skf18("10","3","6","8","9","7","1") = "9"
    & skf18("10","3","6","8","9","8","1") = "9"
    & skf18("10","3","6","8","9","9","1") = "9"
    & skf18("10","3","6","8","9","10","1") = "9"
    & skf18("10","3","6","8","10","1","1") = "9"
    & skf18("10","3","6","8","10","2","1") = "9"
    & skf18("10","3","6","8","10","3","1") = "9"
    & skf18("10","3","6","8","10","4","1") = "9"
    & skf18("10","3","6","8","10","5","1") = "9"
    & skf18("10","3","6","8","10","6","1") = "9"
    & skf18("10","3","6","8","10","7","1") = "9"
    & skf18("10","3","6","8","10","8","1") = "9"
    & skf18("10","3","6","8","10","9","1") = "9"
    & skf18("10","3","6","8","10","10","1") = "9"
    & skf18("10","3","6","9","1","1","1") = "9"
    & skf18("10","3","6","9","1","2","1") = "9"
    & skf18("10","3","6","9","1","3","1") = "9"
    & skf18("10","3","6","9","1","4","1") = "9"
    & skf18("10","3","6","9","1","5","1") = "9"
    & skf18("10","3","6","9","1","6","1") = "9"
    & skf18("10","3","6","9","1","7","1") = "9"
    & skf18("10","3","6","9","1","8","1") = "9"
    & skf18("10","3","6","9","1","9","1") = "9"
    & skf18("10","3","6","9","1","10","1") = "9"
    & skf18("10","3","6","9","2","1","1") = "9"
    & skf18("10","3","6","9","2","2","1") = "9"
    & skf18("10","3","6","9","2","3","1") = "9"
    & skf18("10","3","6","9","2","4","1") = "9"
    & skf18("10","3","6","9","2","5","1") = "9"
    & skf18("10","3","6","9","2","6","1") = "9"
    & skf18("10","3","6","9","2","7","1") = "9"
    & skf18("10","3","6","9","2","8","1") = "9"
    & skf18("10","3","6","9","2","9","1") = "9"
    & skf18("10","3","6","9","2","10","1") = "9"
    & skf18("10","3","6","9","3","1","1") = "9"
    & skf18("10","3","6","9","3","2","1") = "9"
    & skf18("10","3","6","9","3","3","1") = "9"
    & skf18("10","3","6","9","3","4","1") = "9"
    & skf18("10","3","6","9","3","5","1") = "9"
    & skf18("10","3","6","9","3","6","1") = "9"
    & skf18("10","3","6","9","3","7","1") = "9"
    & skf18("10","3","6","9","3","8","1") = "9"
    & skf18("10","3","6","9","3","9","1") = "9"
    & skf18("10","3","6","9","3","10","1") = "9"
    & skf18("10","3","6","9","4","1","1") = "9"
    & skf18("10","3","6","9","4","2","1") = "9"
    & skf18("10","3","6","9","4","3","1") = "9"
    & skf18("10","3","6","9","4","4","1") = "9"
    & skf18("10","3","6","9","4","5","1") = "9"
    & skf18("10","3","6","9","4","6","1") = "9"
    & skf18("10","3","6","9","4","7","1") = "9"
    & skf18("10","3","6","9","4","8","1") = "9"
    & skf18("10","3","6","9","4","9","1") = "9"
    & skf18("10","3","6","9","4","10","1") = "9"
    & skf18("10","3","6","9","5","1","1") = "9"
    & skf18("10","3","6","9","5","2","1") = "9"
    & skf18("10","3","6","9","5","3","1") = "9"
    & skf18("10","3","6","9","5","4","1") = "9"
    & skf18("10","3","6","9","5","5","1") = "9"
    & skf18("10","3","6","9","5","6","1") = "9"
    & skf18("10","3","6","9","5","7","1") = "9"
    & skf18("10","3","6","9","5","8","1") = "9"
    & skf18("10","3","6","9","5","9","1") = "9"
    & skf18("10","3","6","9","5","10","1") = "9"
    & skf18("10","3","6","9","6","1","1") = "9"
    & skf18("10","3","6","9","6","2","1") = "9"
    & skf18("10","3","6","9","6","3","1") = "9"
    & skf18("10","3","6","9","6","4","1") = "9"
    & skf18("10","3","6","9","6","5","1") = "9"
    & skf18("10","3","6","9","6","6","1") = "9"
    & skf18("10","3","6","9","6","7","1") = "9"
    & skf18("10","3","6","9","6","8","1") = "9"
    & skf18("10","3","6","9","6","9","1") = "9"
    & skf18("10","3","6","9","6","10","1") = "9"
    & skf18("10","3","6","9","7","1","1") = "9"
    & skf18("10","3","6","9","7","2","1") = "9"
    & skf18("10","3","6","9","7","3","1") = "9"
    & skf18("10","3","6","9","7","4","1") = "9"
    & skf18("10","3","6","9","7","5","1") = "9"
    & skf18("10","3","6","9","7","6","1") = "9"
    & skf18("10","3","6","9","7","7","1") = "9"
    & skf18("10","3","6","9","7","8","1") = "9"
    & skf18("10","3","6","9","7","9","1") = "9"
    & skf18("10","3","6","9","7","10","1") = "9"
    & skf18("10","3","6","9","8","1","1") = "9"
    & skf18("10","3","6","9","8","2","1") = "9"
    & skf18("10","3","6","9","8","3","1") = "9"
    & skf18("10","3","6","9","8","4","1") = "9"
    & skf18("10","3","6","9","8","5","1") = "9"
    & skf18("10","3","6","9","8","6","1") = "9"
    & skf18("10","3","6","9","8","7","1") = "9"
    & skf18("10","3","6","9","8","8","1") = "9"
    & skf18("10","3","6","9","8","9","1") = "9"
    & skf18("10","3","6","9","8","10","1") = "9"
    & skf18("10","3","6","9","9","1","1") = "9"
    & skf18("10","3","6","9","9","2","1") = "9"
    & skf18("10","3","6","9","9","3","1") = "9"
    & skf18("10","3","6","9","9","4","1") = "9"
    & skf18("10","3","6","9","9","5","1") = "9"
    & skf18("10","3","6","9","9","6","1") = "9"
    & skf18("10","3","6","9","9","7","1") = "9"
    & skf18("10","3","6","9","9","8","1") = "9"
    & skf18("10","3","6","9","9","9","1") = "9"
    & skf18("10","3","6","9","9","10","1") = "9"
    & skf18("10","3","6","9","10","1","1") = "9"
    & skf18("10","3","6","9","10","2","1") = "9"
    & skf18("10","3","6","9","10","3","1") = "9"
    & skf18("10","3","6","9","10","4","1") = "9"
    & skf18("10","3","6","9","10","5","1") = "9"
    & skf18("10","3","6","9","10","6","1") = "9"
    & skf18("10","3","6","9","10","7","1") = "9"
    & skf18("10","3","6","9","10","8","1") = "9"
    & skf18("10","3","6","9","10","9","1") = "9"
    & skf18("10","3","6","9","10","10","1") = "9"
    & skf18("10","3","6","10","1","1","1") = "9"
    & skf18("10","3","6","10","1","2","1") = "9"
    & skf18("10","3","6","10","1","3","1") = "9"
    & skf18("10","3","6","10","1","4","1") = "9"
    & skf18("10","3","6","10","1","5","1") = "9"
    & skf18("10","3","6","10","1","6","1") = "9"
    & skf18("10","3","6","10","1","7","1") = "9"
    & skf18("10","3","6","10","1","8","1") = "9"
    & skf18("10","3","6","10","1","9","1") = "9"
    & skf18("10","3","6","10","1","10","1") = "9"
    & skf18("10","3","6","10","2","1","1") = "9"
    & skf18("10","3","6","10","2","2","1") = "9"
    & skf18("10","3","6","10","2","3","1") = "9"
    & skf18("10","3","6","10","2","4","1") = "9"
    & skf18("10","3","6","10","2","5","1") = "9"
    & skf18("10","3","6","10","2","6","1") = "9"
    & skf18("10","3","6","10","2","7","1") = "9"
    & skf18("10","3","6","10","2","8","1") = "9"
    & skf18("10","3","6","10","2","9","1") = "9"
    & skf18("10","3","6","10","2","10","1") = "9"
    & skf18("10","3","6","10","3","1","1") = "9"
    & skf18("10","3","6","10","3","2","1") = "9"
    & skf18("10","3","6","10","3","3","1") = "9"
    & skf18("10","3","6","10","3","4","1") = "9"
    & skf18("10","3","6","10","3","5","1") = "9"
    & skf18("10","3","6","10","3","6","1") = "9"
    & skf18("10","3","6","10","3","7","1") = "9"
    & skf18("10","3","6","10","3","8","1") = "9"
    & skf18("10","3","6","10","3","9","1") = "9"
    & skf18("10","3","6","10","3","10","1") = "9"
    & skf18("10","3","6","10","4","1","1") = "9"
    & skf18("10","3","6","10","4","2","1") = "9"
    & skf18("10","3","6","10","4","3","1") = "9"
    & skf18("10","3","6","10","4","4","1") = "9"
    & skf18("10","3","6","10","4","5","1") = "9"
    & skf18("10","3","6","10","4","6","1") = "9"
    & skf18("10","3","6","10","4","7","1") = "9"
    & skf18("10","3","6","10","4","8","1") = "9"
    & skf18("10","3","6","10","4","9","1") = "9"
    & skf18("10","3","6","10","4","10","1") = "9"
    & skf18("10","3","6","10","5","1","1") = "9"
    & skf18("10","3","6","10","5","2","1") = "9"
    & skf18("10","3","6","10","5","3","1") = "9"
    & skf18("10","3","6","10","5","4","1") = "9"
    & skf18("10","3","6","10","5","5","1") = "9"
    & skf18("10","3","6","10","5","6","1") = "9"
    & skf18("10","3","6","10","5","7","1") = "9"
    & skf18("10","3","6","10","5","8","1") = "9"
    & skf18("10","3","6","10","5","9","1") = "9"
    & skf18("10","3","6","10","5","10","1") = "9"
    & skf18("10","3","6","10","6","1","1") = "9"
    & skf18("10","3","6","10","6","2","1") = "9"
    & skf18("10","3","6","10","6","3","1") = "9"
    & skf18("10","3","6","10","6","4","1") = "9"
    & skf18("10","3","6","10","6","5","1") = "9"
    & skf18("10","3","6","10","6","6","1") = "9"
    & skf18("10","3","6","10","6","7","1") = "9"
    & skf18("10","3","6","10","6","8","1") = "9"
    & skf18("10","3","6","10","6","9","1") = "9"
    & skf18("10","3","6","10","6","10","1") = "9"
    & skf18("10","3","6","10","7","1","1") = "9"
    & skf18("10","3","6","10","7","2","1") = "9"
    & skf18("10","3","6","10","7","3","1") = "9"
    & skf18("10","3","6","10","7","4","1") = "9"
    & skf18("10","3","6","10","7","5","1") = "9"
    & skf18("10","3","6","10","7","6","1") = "9"
    & skf18("10","3","6","10","7","7","1") = "9"
    & skf18("10","3","6","10","7","8","1") = "9"
    & skf18("10","3","6","10","7","9","1") = "9"
    & skf18("10","3","6","10","7","10","1") = "9"
    & skf18("10","3","6","10","8","1","1") = "9"
    & skf18("10","3","6","10","8","2","1") = "9"
    & skf18("10","3","6","10","8","3","1") = "9"
    & skf18("10","3","6","10","8","4","1") = "9"
    & skf18("10","3","6","10","8","5","1") = "9"
    & skf18("10","3","6","10","8","6","1") = "9"
    & skf18("10","3","6","10","8","7","1") = "9"
    & skf18("10","3","6","10","8","8","1") = "9"
    & skf18("10","3","6","10","8","9","1") = "9"
    & skf18("10","3","6","10","8","10","1") = "9"
    & skf18("10","3","6","10","9","1","1") = "9"
    & skf18("10","3","6","10","9","2","1") = "9"
    & skf18("10","3","6","10","9","3","1") = "9"
    & skf18("10","3","6","10","9","4","1") = "9"
    & skf18("10","3","6","10","9","5","1") = "9"
    & skf18("10","3","6","10","9","6","1") = "9"
    & skf18("10","3","6","10","9","7","1") = "9"
    & skf18("10","3","6","10","9","8","1") = "9"
    & skf18("10","3","6","10","9","9","1") = "9"
    & skf18("10","3","6","10","9","10","1") = "9"
    & skf18("10","3","6","10","10","1","1") = "9"
    & skf18("10","3","6","10","10","2","1") = "9"
    & skf18("10","3","6","10","10","3","1") = "9"
    & skf18("10","3","6","10","10","4","1") = "9"
    & skf18("10","3","6","10","10","5","1") = "9"
    & skf18("10","3","6","10","10","6","1") = "9"
    & skf18("10","3","6","10","10","7","1") = "9"
    & skf18("10","3","6","10","10","8","1") = "9"
    & skf18("10","3","6","10","10","9","1") = "9"
    & skf18("10","3","6","10","10","10","1") = "9"
    & skf18("10","3","7","1","1","1","1") = "9"
    & skf18("10","3","7","1","1","2","1") = "9"
    & skf18("10","3","7","1","1","3","1") = "9"
    & skf18("10","3","7","1","1","4","1") = "9"
    & skf18("10","3","7","1","1","5","1") = "9"
    & skf18("10","3","7","1","1","6","1") = "9"
    & skf18("10","3","7","1","1","7","1") = "9"
    & skf18("10","3","7","1","1","8","1") = "9"
    & skf18("10","3","7","1","1","9","1") = "9"
    & skf18("10","3","7","1","1","10","1") = "9"
    & skf18("10","3","7","1","2","1","1") = "9"
    & skf18("10","3","7","1","2","2","1") = "9"
    & skf18("10","3","7","1","2","3","1") = "9"
    & skf18("10","3","7","1","2","4","1") = "9"
    & skf18("10","3","7","1","2","5","1") = "9"
    & skf18("10","3","7","1","2","6","1") = "9"
    & skf18("10","3","7","1","2","7","1") = "9"
    & skf18("10","3","7","1","2","8","1") = "9"
    & skf18("10","3","7","1","2","9","1") = "9"
    & skf18("10","3","7","1","2","10","1") = "9"
    & skf18("10","3","7","1","3","1","1") = "9"
    & skf18("10","3","7","1","3","2","1") = "9"
    & skf18("10","3","7","1","3","3","1") = "9"
    & skf18("10","3","7","1","3","4","1") = "9"
    & skf18("10","3","7","1","3","5","1") = "9"
    & skf18("10","3","7","1","3","6","1") = "9"
    & skf18("10","3","7","1","3","7","1") = "9"
    & skf18("10","3","7","1","3","8","1") = "9"
    & skf18("10","3","7","1","3","9","1") = "9"
    & skf18("10","3","7","1","3","10","1") = "9"
    & skf18("10","3","7","1","4","1","1") = "9"
    & skf18("10","3","7","1","4","2","1") = "9"
    & skf18("10","3","7","1","4","3","1") = "9"
    & skf18("10","3","7","1","4","4","1") = "9"
    & skf18("10","3","7","1","4","5","1") = "9"
    & skf18("10","3","7","1","4","6","1") = "9"
    & skf18("10","3","7","1","4","7","1") = "9"
    & skf18("10","3","7","1","4","8","1") = "9"
    & skf18("10","3","7","1","4","9","1") = "9"
    & skf18("10","3","7","1","4","10","1") = "9"
    & skf18("10","3","7","1","5","1","1") = "9"
    & skf18("10","3","7","1","5","2","1") = "9"
    & skf18("10","3","7","1","5","3","1") = "9"
    & skf18("10","3","7","1","5","4","1") = "9"
    & skf18("10","3","7","1","5","5","1") = "9"
    & skf18("10","3","7","1","5","6","1") = "9"
    & skf18("10","3","7","1","5","7","1") = "9"
    & skf18("10","3","7","1","5","8","1") = "9"
    & skf18("10","3","7","1","5","9","1") = "9"
    & skf18("10","3","7","1","5","10","1") = "9"
    & skf18("10","3","7","1","6","1","1") = "9"
    & skf18("10","3","7","1","6","2","1") = "9"
    & skf18("10","3","7","1","6","3","1") = "9"
    & skf18("10","3","7","1","6","4","1") = "9"
    & skf18("10","3","7","1","6","5","1") = "9"
    & skf18("10","3","7","1","6","6","1") = "9"
    & skf18("10","3","7","1","6","7","1") = "9"
    & skf18("10","3","7","1","6","8","1") = "9"
    & skf18("10","3","7","1","6","9","1") = "9"
    & skf18("10","3","7","1","6","10","1") = "9"
    & skf18("10","3","7","1","7","1","1") = "9"
    & skf18("10","3","7","1","7","2","1") = "9"
    & skf18("10","3","7","1","7","3","1") = "9"
    & skf18("10","3","7","1","7","4","1") = "9"
    & skf18("10","3","7","1","7","5","1") = "9"
    & skf18("10","3","7","1","7","6","1") = "9"
    & skf18("10","3","7","1","7","7","1") = "9"
    & skf18("10","3","7","1","7","8","1") = "9"
    & skf18("10","3","7","1","7","9","1") = "9"
    & skf18("10","3","7","1","7","10","1") = "9"
    & skf18("10","3","7","1","8","1","1") = "9"
    & skf18("10","3","7","1","8","2","1") = "9"
    & skf18("10","3","7","1","8","3","1") = "9"
    & skf18("10","3","7","1","8","4","1") = "9"
    & skf18("10","3","7","1","8","5","1") = "9"
    & skf18("10","3","7","1","8","6","1") = "9"
    & skf18("10","3","7","1","8","7","1") = "9"
    & skf18("10","3","7","1","8","8","1") = "9"
    & skf18("10","3","7","1","8","9","1") = "9"
    & skf18("10","3","7","1","8","10","1") = "9"
    & skf18("10","3","7","1","9","1","1") = "9"
    & skf18("10","3","7","1","9","2","1") = "9"
    & skf18("10","3","7","1","9","3","1") = "9"
    & skf18("10","3","7","1","9","4","1") = "9"
    & skf18("10","3","7","1","9","5","1") = "9"
    & skf18("10","3","7","1","9","6","1") = "9"
    & skf18("10","3","7","1","9","7","1") = "9"
    & skf18("10","3","7","1","9","8","1") = "9"
    & skf18("10","3","7","1","9","9","1") = "9"
    & skf18("10","3","7","1","9","10","1") = "9"
    & skf18("10","3","7","1","10","1","1") = "9"
    & skf18("10","3","7","1","10","2","1") = "9"
    & skf18("10","3","7","1","10","3","1") = "9"
    & skf18("10","3","7","1","10","4","1") = "9"
    & skf18("10","3","7","1","10","5","1") = "9"
    & skf18("10","3","7","1","10","6","1") = "9"
    & skf18("10","3","7","1","10","7","1") = "9"
    & skf18("10","3","7","1","10","8","1") = "9"
    & skf18("10","3","7","1","10","9","1") = "9"
    & skf18("10","3","7","1","10","10","1") = "9"
    & skf18("10","3","7","2","1","1","1") = "9"
    & skf18("10","3","7","2","1","2","1") = "9"
    & skf18("10","3","7","2","1","3","1") = "9"
    & skf18("10","3","7","2","1","4","1") = "9"
    & skf18("10","3","7","2","1","5","1") = "9"
    & skf18("10","3","7","2","1","6","1") = "9"
    & skf18("10","3","7","2","1","7","1") = "9"
    & skf18("10","3","7","2","1","8","1") = "9"
    & skf18("10","3","7","2","1","9","1") = "9"
    & skf18("10","3","7","2","1","10","1") = "9"
    & skf18("10","3","7","2","2","1","1") = "9"
    & skf18("10","3","7","2","2","2","1") = "9"
    & skf18("10","3","7","2","2","3","1") = "9"
    & skf18("10","3","7","2","2","4","1") = "9"
    & skf18("10","3","7","2","2","5","1") = "9"
    & skf18("10","3","7","2","2","6","1") = "9"
    & skf18("10","3","7","2","2","7","1") = "9"
    & skf18("10","3","7","2","2","8","1") = "9"
    & skf18("10","3","7","2","2","9","1") = "9"
    & skf18("10","3","7","2","2","10","1") = "9"
    & skf18("10","3","7","2","3","1","1") = "9"
    & skf18("10","3","7","2","3","2","1") = "9"
    & skf18("10","3","7","2","3","3","1") = "9"
    & skf18("10","3","7","2","3","4","1") = "9"
    & skf18("10","3","7","2","3","5","1") = "9"
    & skf18("10","3","7","2","3","6","1") = "9"
    & skf18("10","3","7","2","3","7","1") = "9"
    & skf18("10","3","7","2","3","8","1") = "9"
    & skf18("10","3","7","2","3","9","1") = "9"
    & skf18("10","3","7","2","3","10","1") = "9"
    & skf18("10","3","7","2","4","1","1") = "9"
    & skf18("10","3","7","2","4","2","1") = "9"
    & skf18("10","3","7","2","4","3","1") = "9"
    & skf18("10","3","7","2","4","4","1") = "9"
    & skf18("10","3","7","2","4","5","1") = "9"
    & skf18("10","3","7","2","4","6","1") = "9"
    & skf18("10","3","7","2","4","7","1") = "9"
    & skf18("10","3","7","2","4","8","1") = "9"
    & skf18("10","3","7","2","4","9","1") = "9"
    & skf18("10","3","7","2","4","10","1") = "9"
    & skf18("10","3","7","2","5","1","1") = "9"
    & skf18("10","3","7","2","5","2","1") = "9"
    & skf18("10","3","7","2","5","3","1") = "9"
    & skf18("10","3","7","2","5","4","1") = "9"
    & skf18("10","3","7","2","5","5","1") = "9"
    & skf18("10","3","7","2","5","6","1") = "9"
    & skf18("10","3","7","2","5","7","1") = "9"
    & skf18("10","3","7","2","5","8","1") = "9"
    & skf18("10","3","7","2","5","9","1") = "9"
    & skf18("10","3","7","2","5","10","1") = "9"
    & skf18("10","3","7","2","6","1","1") = "9"
    & skf18("10","3","7","2","6","2","1") = "9"
    & skf18("10","3","7","2","6","3","1") = "9"
    & skf18("10","3","7","2","6","4","1") = "9"
    & skf18("10","3","7","2","6","5","1") = "9"
    & skf18("10","3","7","2","6","6","1") = "9"
    & skf18("10","3","7","2","6","7","1") = "9"
    & skf18("10","3","7","2","6","8","1") = "9"
    & skf18("10","3","7","2","6","9","1") = "9"
    & skf18("10","3","7","2","6","10","1") = "9"
    & skf18("10","3","7","2","7","1","1") = "9"
    & skf18("10","3","7","2","7","2","1") = "9"
    & skf18("10","3","7","2","7","3","1") = "9"
    & skf18("10","3","7","2","7","4","1") = "9"
    & skf18("10","3","7","2","7","5","1") = "9"
    & skf18("10","3","7","2","7","6","1") = "9"
    & skf18("10","3","7","2","7","7","1") = "9"
    & skf18("10","3","7","2","7","8","1") = "9"
    & skf18("10","3","7","2","7","9","1") = "9"
    & skf18("10","3","7","2","7","10","1") = "9"
    & skf18("10","3","7","2","8","1","1") = "9"
    & skf18("10","3","7","2","8","2","1") = "9"
    & skf18("10","3","7","2","8","3","1") = "9"
    & skf18("10","3","7","2","8","4","1") = "9"
    & skf18("10","3","7","2","8","5","1") = "9"
    & skf18("10","3","7","2","8","6","1") = "9"
    & skf18("10","3","7","2","8","7","1") = "9"
    & skf18("10","3","7","2","8","8","1") = "9"
    & skf18("10","3","7","2","8","9","1") = "9"
    & skf18("10","3","7","2","8","10","1") = "9"
    & skf18("10","3","7","2","9","1","1") = "9"
    & skf18("10","3","7","2","9","2","1") = "9"
    & skf18("10","3","7","2","9","3","1") = "9"
    & skf18("10","3","7","2","9","4","1") = "9"
    & skf18("10","3","7","2","9","5","1") = "9"
    & skf18("10","3","7","2","9","6","1") = "9"
    & skf18("10","3","7","2","9","7","1") = "9"
    & skf18("10","3","7","2","9","8","1") = "9"
    & skf18("10","3","7","2","9","9","1") = "9"
    & skf18("10","3","7","2","9","10","1") = "9"
    & skf18("10","3","7","2","10","1","1") = "9"
    & skf18("10","3","7","2","10","2","1") = "9"
    & skf18("10","3","7","2","10","3","1") = "9"
    & skf18("10","3","7","2","10","4","1") = "9"
    & skf18("10","3","7","2","10","5","1") = "9"
    & skf18("10","3","7","2","10","6","1") = "9"
    & skf18("10","3","7","2","10","7","1") = "9"
    & skf18("10","3","7","2","10","8","1") = "9"
    & skf18("10","3","7","2","10","9","1") = "9"
    & skf18("10","3","7","2","10","10","1") = "9"
    & skf18("10","3","7","3","1","1","1") = "9"
    & skf18("10","3","7","3","1","2","1") = "9"
    & skf18("10","3","7","3","1","3","1") = "9"
    & skf18("10","3","7","3","1","4","1") = "9"
    & skf18("10","3","7","3","1","5","1") = "9"
    & skf18("10","3","7","3","1","6","1") = "9"
    & skf18("10","3","7","3","1","7","1") = "9"
    & skf18("10","3","7","3","1","8","1") = "9"
    & skf18("10","3","7","3","1","9","1") = "9"
    & skf18("10","3","7","3","1","10","1") = "9"
    & skf18("10","3","7","3","2","1","1") = "9"
    & skf18("10","3","7","3","2","2","1") = "9"
    & skf18("10","3","7","3","2","3","1") = "9"
    & skf18("10","3","7","3","2","4","1") = "9"
    & skf18("10","3","7","3","2","5","1") = "9"
    & skf18("10","3","7","3","2","6","1") = "9"
    & skf18("10","3","7","3","2","7","1") = "9"
    & skf18("10","3","7","3","2","8","1") = "9"
    & skf18("10","3","7","3","2","9","1") = "9"
    & skf18("10","3","7","3","2","10","1") = "9"
    & skf18("10","3","7","3","3","1","1") = "9"
    & skf18("10","3","7","3","3","2","1") = "9"
    & skf18("10","3","7","3","3","3","1") = "9"
    & skf18("10","3","7","3","3","4","1") = "9"
    & skf18("10","3","7","3","3","5","1") = "9"
    & skf18("10","3","7","3","3","6","1") = "9"
    & skf18("10","3","7","3","3","7","1") = "9"
    & skf18("10","3","7","3","3","8","1") = "9"
    & skf18("10","3","7","3","3","9","1") = "9"
    & skf18("10","3","7","3","3","10","1") = "9"
    & skf18("10","3","7","3","4","1","1") = "9"
    & skf18("10","3","7","3","4","2","1") = "9"
    & skf18("10","3","7","3","4","3","1") = "9"
    & skf18("10","3","7","3","4","4","1") = "9"
    & skf18("10","3","7","3","4","5","1") = "9"
    & skf18("10","3","7","3","4","6","1") = "9"
    & skf18("10","3","7","3","4","7","1") = "9"
    & skf18("10","3","7","3","4","8","1") = "9"
    & skf18("10","3","7","3","4","9","1") = "9"
    & skf18("10","3","7","3","4","10","1") = "9"
    & skf18("10","3","7","3","5","1","1") = "9"
    & skf18("10","3","7","3","5","2","1") = "9"
    & skf18("10","3","7","3","5","3","1") = "9"
    & skf18("10","3","7","3","5","4","1") = "9"
    & skf18("10","3","7","3","5","5","1") = "9"
    & skf18("10","3","7","3","5","6","1") = "9"
    & skf18("10","3","7","3","5","7","1") = "9"
    & skf18("10","3","7","3","5","8","1") = "9"
    & skf18("10","3","7","3","5","9","1") = "9"
    & skf18("10","3","7","3","5","10","1") = "9"
    & skf18("10","3","7","3","6","1","1") = "9"
    & skf18("10","3","7","3","6","2","1") = "9"
    & skf18("10","3","7","3","6","3","1") = "9"
    & skf18("10","3","7","3","6","4","1") = "9"
    & skf18("10","3","7","3","6","5","1") = "9"
    & skf18("10","3","7","3","6","6","1") = "9"
    & skf18("10","3","7","3","6","7","1") = "9"
    & skf18("10","3","7","3","6","8","1") = "9"
    & skf18("10","3","7","3","6","9","1") = "9"
    & skf18("10","3","7","3","6","10","1") = "9"
    & skf18("10","3","7","3","7","1","1") = "9"
    & skf18("10","3","7","3","7","2","1") = "9"
    & skf18("10","3","7","3","7","3","1") = "9"
    & skf18("10","3","7","3","7","4","1") = "9"
    & skf18("10","3","7","3","7","5","1") = "9"
    & skf18("10","3","7","3","7","6","1") = "9"
    & skf18("10","3","7","3","7","7","1") = "9"
    & skf18("10","3","7","3","7","8","1") = "9"
    & skf18("10","3","7","3","7","9","1") = "9"
    & skf18("10","3","7","3","7","10","1") = "9"
    & skf18("10","3","7","3","8","1","1") = "9"
    & skf18("10","3","7","3","8","2","1") = "9"
    & skf18("10","3","7","3","8","3","1") = "9"
    & skf18("10","3","7","3","8","4","1") = "9"
    & skf18("10","3","7","3","8","5","1") = "9"
    & skf18("10","3","7","3","8","6","1") = "9"
    & skf18("10","3","7","3","8","7","1") = "9"
    & skf18("10","3","7","3","8","8","1") = "9"
    & skf18("10","3","7","3","8","9","1") = "9"
    & skf18("10","3","7","3","8","10","1") = "9"
    & skf18("10","3","7","3","9","1","1") = "9"
    & skf18("10","3","7","3","9","2","1") = "9"
    & skf18("10","3","7","3","9","3","1") = "9"
    & skf18("10","3","7","3","9","4","1") = "9"
    & skf18("10","3","7","3","9","5","1") = "9"
    & skf18("10","3","7","3","9","6","1") = "9"
    & skf18("10","3","7","3","9","7","1") = "9"
    & skf18("10","3","7","3","9","8","1") = "9"
    & skf18("10","3","7","3","9","9","1") = "9"
    & skf18("10","3","7","3","9","10","1") = "9"
    & skf18("10","3","7","3","10","1","1") = "9"
    & skf18("10","3","7","3","10","2","1") = "9"
    & skf18("10","3","7","3","10","3","1") = "9"
    & skf18("10","3","7","3","10","4","1") = "9"
    & skf18("10","3","7","3","10","5","1") = "9"
    & skf18("10","3","7","3","10","6","1") = "9"
    & skf18("10","3","7","3","10","7","1") = "9"
    & skf18("10","3","7","3","10","8","1") = "9"
    & skf18("10","3","7","3","10","9","1") = "9"
    & skf18("10","3","7","3","10","10","1") = "9"
    & skf18("10","3","7","4","1","1","1") = "9"
    & skf18("10","3","7","4","1","2","1") = "9"
    & skf18("10","3","7","4","1","3","1") = "9"
    & skf18("10","3","7","4","1","4","1") = "9"
    & skf18("10","3","7","4","1","5","1") = "9"
    & skf18("10","3","7","4","1","6","1") = "9"
    & skf18("10","3","7","4","1","7","1") = "9"
    & skf18("10","3","7","4","1","8","1") = "9"
    & skf18("10","3","7","4","1","9","1") = "9"
    & skf18("10","3","7","4","1","10","1") = "9"
    & skf18("10","3","7","4","2","1","1") = "9"
    & skf18("10","3","7","4","2","2","1") = "9"
    & skf18("10","3","7","4","2","3","1") = "9"
    & skf18("10","3","7","4","2","4","1") = "9"
    & skf18("10","3","7","4","2","5","1") = "9"
    & skf18("10","3","7","4","2","6","1") = "9"
    & skf18("10","3","7","4","2","7","1") = "9"
    & skf18("10","3","7","4","2","8","1") = "9"
    & skf18("10","3","7","4","2","9","1") = "9"
    & skf18("10","3","7","4","2","10","1") = "9"
    & skf18("10","3","7","4","3","1","1") = "9"
    & skf18("10","3","7","4","3","2","1") = "9"
    & skf18("10","3","7","4","3","3","1") = "9"
    & skf18("10","3","7","4","3","4","1") = "9"
    & skf18("10","3","7","4","3","5","1") = "9"
    & skf18("10","3","7","4","3","6","1") = "9"
    & skf18("10","3","7","4","3","7","1") = "9"
    & skf18("10","3","7","4","3","8","1") = "9"
    & skf18("10","3","7","4","3","9","1") = "9"
    & skf18("10","3","7","4","3","10","1") = "9"
    & skf18("10","3","7","4","4","1","1") = "9"
    & skf18("10","3","7","4","4","2","1") = "9"
    & skf18("10","3","7","4","4","3","1") = "9"
    & skf18("10","3","7","4","4","4","1") = "9"
    & skf18("10","3","7","4","4","5","1") = "9"
    & skf18("10","3","7","4","4","6","1") = "9"
    & skf18("10","3","7","4","4","7","1") = "9"
    & skf18("10","3","7","4","4","8","1") = "9"
    & skf18("10","3","7","4","4","9","1") = "9"
    & skf18("10","3","7","4","4","10","1") = "9"
    & skf18("10","3","7","4","5","1","1") = "9"
    & skf18("10","3","7","4","5","2","1") = "9"
    & skf18("10","3","7","4","5","3","1") = "9"
    & skf18("10","3","7","4","5","4","1") = "9"
    & skf18("10","3","7","4","5","5","1") = "9"
    & skf18("10","3","7","4","5","6","1") = "9"
    & skf18("10","3","7","4","5","7","1") = "9"
    & skf18("10","3","7","4","5","8","1") = "9"
    & skf18("10","3","7","4","5","9","1") = "9"
    & skf18("10","3","7","4","5","10","1") = "9"
    & skf18("10","3","7","4","6","1","1") = "9"
    & skf18("10","3","7","4","6","2","1") = "9"
    & skf18("10","3","7","4","6","3","1") = "9"
    & skf18("10","3","7","4","6","4","1") = "9"
    & skf18("10","3","7","4","6","5","1") = "9"
    & skf18("10","3","7","4","6","6","1") = "9"
    & skf18("10","3","7","4","6","7","1") = "9"
    & skf18("10","3","7","4","6","8","1") = "9"
    & skf18("10","3","7","4","6","9","1") = "9"
    & skf18("10","3","7","4","6","10","1") = "9"
    & skf18("10","3","7","4","7","1","1") = "9"
    & skf18("10","3","7","4","7","2","1") = "9"
    & skf18("10","3","7","4","7","3","1") = "9"
    & skf18("10","3","7","4","7","4","1") = "9"
    & skf18("10","3","7","4","7","5","1") = "9"
    & skf18("10","3","7","4","7","6","1") = "9"
    & skf18("10","3","7","4","7","7","1") = "9"
    & skf18("10","3","7","4","7","8","1") = "9"
    & skf18("10","3","7","4","7","9","1") = "9"
    & skf18("10","3","7","4","7","10","1") = "9"
    & skf18("10","3","7","4","8","1","1") = "9"
    & skf18("10","3","7","4","8","2","1") = "9"
    & skf18("10","3","7","4","8","3","1") = "9"
    & skf18("10","3","7","4","8","4","1") = "9"
    & skf18("10","3","7","4","8","5","1") = "9"
    & skf18("10","3","7","4","8","6","1") = "9"
    & skf18("10","3","7","4","8","7","1") = "9"
    & skf18("10","3","7","4","8","8","1") = "9"
    & skf18("10","3","7","4","8","9","1") = "9"
    & skf18("10","3","7","4","8","10","1") = "9"
    & skf18("10","3","7","4","9","1","1") = "9"
    & skf18("10","3","7","4","9","2","1") = "9"
    & skf18("10","3","7","4","9","3","1") = "9"
    & skf18("10","3","7","4","9","4","1") = "9"
    & skf18("10","3","7","4","9","5","1") = "9"
    & skf18("10","3","7","4","9","6","1") = "9"
    & skf18("10","3","7","4","9","7","1") = "9"
    & skf18("10","3","7","4","9","8","1") = "9"
    & skf18("10","3","7","4","9","9","1") = "9"
    & skf18("10","3","7","4","9","10","1") = "9"
    & skf18("10","3","7","4","10","1","1") = "9"
    & skf18("10","3","7","4","10","2","1") = "9"
    & skf18("10","3","7","4","10","3","1") = "9"
    & skf18("10","3","7","4","10","4","1") = "9"
    & skf18("10","3","7","4","10","5","1") = "9"
    & skf18("10","3","7","4","10","6","1") = "9"
    & skf18("10","3","7","4","10","7","1") = "9"
    & skf18("10","3","7","4","10","8","1") = "9"
    & skf18("10","3","7","4","10","9","1") = "9"
    & skf18("10","3","7","4","10","10","1") = "9"
    & skf18("10","3","7","5","1","1","1") = "9"
    & skf18("10","3","7","5","1","2","1") = "9"
    & skf18("10","3","7","5","1","3","1") = "9"
    & skf18("10","3","7","5","1","4","1") = "9"
    & skf18("10","3","7","5","1","5","1") = "9"
    & skf18("10","3","7","5","1","6","1") = "9"
    & skf18("10","3","7","5","1","7","1") = "9"
    & skf18("10","3","7","5","1","8","1") = "9"
    & skf18("10","3","7","5","1","9","1") = "9"
    & skf18("10","3","7","5","1","10","1") = "9"
    & skf18("10","3","7","5","2","1","1") = "9"
    & skf18("10","3","7","5","2","2","1") = "9"
    & skf18("10","3","7","5","2","3","1") = "9"
    & skf18("10","3","7","5","2","4","1") = "9"
    & skf18("10","3","7","5","2","5","1") = "9"
    & skf18("10","3","7","5","2","6","1") = "9"
    & skf18("10","3","7","5","2","7","1") = "9"
    & skf18("10","3","7","5","2","8","1") = "9"
    & skf18("10","3","7","5","2","9","1") = "9"
    & skf18("10","3","7","5","2","10","1") = "9"
    & skf18("10","3","7","5","3","1","1") = "9"
    & skf18("10","3","7","5","3","2","1") = "9"
    & skf18("10","3","7","5","3","3","1") = "9"
    & skf18("10","3","7","5","3","4","1") = "9"
    & skf18("10","3","7","5","3","5","1") = "9"
    & skf18("10","3","7","5","3","6","1") = "9"
    & skf18("10","3","7","5","3","7","1") = "9"
    & skf18("10","3","7","5","3","8","1") = "9"
    & skf18("10","3","7","5","3","9","1") = "9"
    & skf18("10","3","7","5","3","10","1") = "9"
    & skf18("10","3","7","5","4","1","1") = "9"
    & skf18("10","3","7","5","4","2","1") = "9"
    & skf18("10","3","7","5","4","3","1") = "9"
    & skf18("10","3","7","5","4","4","1") = "9"
    & skf18("10","3","7","5","4","5","1") = "9"
    & skf18("10","3","7","5","4","6","1") = "9"
    & skf18("10","3","7","5","4","7","1") = "9"
    & skf18("10","3","7","5","4","8","1") = "9"
    & skf18("10","3","7","5","4","9","1") = "9"
    & skf18("10","3","7","5","4","10","1") = "9"
    & skf18("10","3","7","5","5","1","1") = "9"
    & skf18("10","3","7","5","5","2","1") = "9"
    & skf18("10","3","7","5","5","3","1") = "9"
    & skf18("10","3","7","5","5","4","1") = "9"
    & skf18("10","3","7","5","5","5","1") = "9"
    & skf18("10","3","7","5","5","6","1") = "9"
    & skf18("10","3","7","5","5","7","1") = "9"
    & skf18("10","3","7","5","5","8","1") = "9"
    & skf18("10","3","7","5","5","9","1") = "9"
    & skf18("10","3","7","5","5","10","1") = "9"
    & skf18("10","3","7","5","6","1","1") = "9"
    & skf18("10","3","7","5","6","2","1") = "9"
    & skf18("10","3","7","5","6","3","1") = "9"
    & skf18("10","3","7","5","6","4","1") = "9"
    & skf18("10","3","7","5","6","5","1") = "9"
    & skf18("10","3","7","5","6","6","1") = "9"
    & skf18("10","3","7","5","6","7","1") = "9"
    & skf18("10","3","7","5","6","8","1") = "9"
    & skf18("10","3","7","5","6","9","1") = "9"
    & skf18("10","3","7","5","6","10","1") = "9"
    & skf18("10","3","7","5","7","1","1") = "9"
    & skf18("10","3","7","5","7","2","1") = "9"
    & skf18("10","3","7","5","7","3","1") = "9"
    & skf18("10","3","7","5","7","4","1") = "9"
    & skf18("10","3","7","5","7","5","1") = "9"
    & skf18("10","3","7","5","7","6","1") = "9"
    & skf18("10","3","7","5","7","7","1") = "9"
    & skf18("10","3","7","5","7","8","1") = "9"
    & skf18("10","3","7","5","7","9","1") = "9"
    & skf18("10","3","7","5","7","10","1") = "9"
    & skf18("10","3","7","5","8","1","1") = "9"
    & skf18("10","3","7","5","8","2","1") = "9"
    & skf18("10","3","7","5","8","3","1") = "9"
    & skf18("10","3","7","5","8","4","1") = "9"
    & skf18("10","3","7","5","8","5","1") = "9"
    & skf18("10","3","7","5","8","6","1") = "9"
    & skf18("10","3","7","5","8","7","1") = "9"
    & skf18("10","3","7","5","8","8","1") = "9"
    & skf18("10","3","7","5","8","9","1") = "9"
    & skf18("10","3","7","5","8","10","1") = "9"
    & skf18("10","3","7","5","9","1","1") = "9"
    & skf18("10","3","7","5","9","2","1") = "9"
    & skf18("10","3","7","5","9","3","1") = "9"
    & skf18("10","3","7","5","9","4","1") = "9"
    & skf18("10","3","7","5","9","5","1") = "9"
    & skf18("10","3","7","5","9","6","1") = "9"
    & skf18("10","3","7","5","9","7","1") = "9"
    & skf18("10","3","7","5","9","8","1") = "9"
    & skf18("10","3","7","5","9","9","1") = "9"
    & skf18("10","3","7","5","9","10","1") = "9"
    & skf18("10","3","7","5","10","1","1") = "9"
    & skf18("10","3","7","5","10","2","1") = "9"
    & skf18("10","3","7","5","10","3","1") = "9"
    & skf18("10","3","7","5","10","4","1") = "9"
    & skf18("10","3","7","5","10","5","1") = "9"
    & skf18("10","3","7","5","10","6","1") = "9"
    & skf18("10","3","7","5","10","7","1") = "9"
    & skf18("10","3","7","5","10","8","1") = "9"
    & skf18("10","3","7","5","10","9","1") = "9"
    & skf18("10","3","7","5","10","10","1") = "9"
    & skf18("10","3","7","6","1","1","1") = "9"
    & skf18("10","3","7","6","1","2","1") = "9"
    & skf18("10","3","7","6","1","3","1") = "9"
    & skf18("10","3","7","6","1","4","1") = "9"
    & skf18("10","3","7","6","1","5","1") = "9"
    & skf18("10","3","7","6","1","6","1") = "9"
    & skf18("10","3","7","6","1","7","1") = "9"
    & skf18("10","3","7","6","1","8","1") = "9"
    & skf18("10","3","7","6","1","9","1") = "9"
    & skf18("10","3","7","6","1","10","1") = "9"
    & skf18("10","3","7","6","2","1","1") = "9"
    & skf18("10","3","7","6","2","2","1") = "9"
    & skf18("10","3","7","6","2","3","1") = "9"
    & skf18("10","3","7","6","2","4","1") = "9"
    & skf18("10","3","7","6","2","5","1") = "9"
    & skf18("10","3","7","6","2","6","1") = "9"
    & skf18("10","3","7","6","2","7","1") = "9"
    & skf18("10","3","7","6","2","8","1") = "9"
    & skf18("10","3","7","6","2","9","1") = "9"
    & skf18("10","3","7","6","2","10","1") = "9"
    & skf18("10","3","7","6","3","1","1") = "9"
    & skf18("10","3","7","6","3","2","1") = "9"
    & skf18("10","3","7","6","3","3","1") = "9"
    & skf18("10","3","7","6","3","4","1") = "9"
    & skf18("10","3","7","6","3","5","1") = "9"
    & skf18("10","3","7","6","3","6","1") = "9"
    & skf18("10","3","7","6","3","7","1") = "9"
    & skf18("10","3","7","6","3","8","1") = "9"
    & skf18("10","3","7","6","3","9","1") = "9"
    & skf18("10","3","7","6","3","10","1") = "9"
    & skf18("10","3","7","6","4","1","1") = "9"
    & skf18("10","3","7","6","4","2","1") = "9"
    & skf18("10","3","7","6","4","3","1") = "9"
    & skf18("10","3","7","6","4","4","1") = "9"
    & skf18("10","3","7","6","4","5","1") = "9"
    & skf18("10","3","7","6","4","6","1") = "9"
    & skf18("10","3","7","6","4","7","1") = "9"
    & skf18("10","3","7","6","4","8","1") = "9"
    & skf18("10","3","7","6","4","9","1") = "9"
    & skf18("10","3","7","6","4","10","1") = "9"
    & skf18("10","3","7","6","5","1","1") = "9"
    & skf18("10","3","7","6","5","2","1") = "9"
    & skf18("10","3","7","6","5","3","1") = "9"
    & skf18("10","3","7","6","5","4","1") = "9"
    & skf18("10","3","7","6","5","5","1") = "9"
    & skf18("10","3","7","6","5","6","1") = "9"
    & skf18("10","3","7","6","5","7","1") = "9"
    & skf18("10","3","7","6","5","8","1") = "9"
    & skf18("10","3","7","6","5","9","1") = "9"
    & skf18("10","3","7","6","5","10","1") = "9"
    & skf18("10","3","7","6","6","1","1") = "9"
    & skf18("10","3","7","6","6","2","1") = "9"
    & skf18("10","3","7","6","6","3","1") = "9"
    & skf18("10","3","7","6","6","4","1") = "9"
    & skf18("10","3","7","6","6","5","1") = "9"
    & skf18("10","3","7","6","6","6","1") = "9"
    & skf18("10","3","7","6","6","7","1") = "9"
    & skf18("10","3","7","6","6","8","1") = "9"
    & skf18("10","3","7","6","6","9","1") = "9"
    & skf18("10","3","7","6","6","10","1") = "9"
    & skf18("10","3","7","6","7","1","1") = "9"
    & skf18("10","3","7","6","7","2","1") = "9"
    & skf18("10","3","7","6","7","3","1") = "9"
    & skf18("10","3","7","6","7","4","1") = "9"
    & skf18("10","3","7","6","7","5","1") = "9"
    & skf18("10","3","7","6","7","6","1") = "9"
    & skf18("10","3","7","6","7","7","1") = "9"
    & skf18("10","3","7","6","7","8","1") = "9"
    & skf18("10","3","7","6","7","9","1") = "9"
    & skf18("10","3","7","6","7","10","1") = "9"
    & skf18("10","3","7","6","8","1","1") = "9"
    & skf18("10","3","7","6","8","2","1") = "9"
    & skf18("10","3","7","6","8","3","1") = "9"
    & skf18("10","3","7","6","8","4","1") = "9"
    & skf18("10","3","7","6","8","5","1") = "9"
    & skf18("10","3","7","6","8","6","1") = "9"
    & skf18("10","3","7","6","8","7","1") = "9"
    & skf18("10","3","7","6","8","8","1") = "9"
    & skf18("10","3","7","6","8","9","1") = "9"
    & skf18("10","3","7","6","8","10","1") = "9"
    & skf18("10","3","7","6","9","1","1") = "9"
    & skf18("10","3","7","6","9","2","1") = "9"
    & skf18("10","3","7","6","9","3","1") = "9"
    & skf18("10","3","7","6","9","4","1") = "9"
    & skf18("10","3","7","6","9","5","1") = "9"
    & skf18("10","3","7","6","9","6","1") = "9"
    & skf18("10","3","7","6","9","7","1") = "9"
    & skf18("10","3","7","6","9","8","1") = "9"
    & skf18("10","3","7","6","9","9","1") = "9"
    & skf18("10","3","7","6","9","10","1") = "9"
    & skf18("10","3","7","6","10","1","1") = "9"
    & skf18("10","3","7","6","10","2","1") = "9"
    & skf18("10","3","7","6","10","3","1") = "9"
    & skf18("10","3","7","6","10","4","1") = "9"
    & skf18("10","3","7","6","10","5","1") = "9"
    & skf18("10","3","7","6","10","6","1") = "9"
    & skf18("10","3","7","6","10","7","1") = "9"
    & skf18("10","3","7","6","10","8","1") = "9"
    & skf18("10","3","7","6","10","9","1") = "9"
    & skf18("10","3","7","6","10","10","1") = "9"
    & skf18("10","3","7","7","1","1","1") = "9"
    & skf18("10","3","7","7","1","2","1") = "9"
    & skf18("10","3","7","7","1","3","1") = "9"
    & skf18("10","3","7","7","1","4","1") = "9"
    & skf18("10","3","7","7","1","5","1") = "9"
    & skf18("10","3","7","7","1","6","1") = "9"
    & skf18("10","3","7","7","1","7","1") = "9"
    & skf18("10","3","7","7","1","8","1") = "9"
    & skf18("10","3","7","7","1","9","1") = "9"
    & skf18("10","3","7","7","1","10","1") = "9"
    & skf18("10","3","7","7","2","1","1") = "9"
    & skf18("10","3","7","7","2","2","1") = "9"
    & skf18("10","3","7","7","2","3","1") = "9"
    & skf18("10","3","7","7","2","4","1") = "9"
    & skf18("10","3","7","7","2","5","1") = "9"
    & skf18("10","3","7","7","2","6","1") = "9"
    & skf18("10","3","7","7","2","7","1") = "9"
    & skf18("10","3","7","7","2","8","1") = "9"
    & skf18("10","3","7","7","2","9","1") = "9"
    & skf18("10","3","7","7","2","10","1") = "9"
    & skf18("10","3","7","7","3","1","1") = "9"
    & skf18("10","3","7","7","3","2","1") = "9"
    & skf18("10","3","7","7","3","3","1") = "9"
    & skf18("10","3","7","7","3","4","1") = "9"
    & skf18("10","3","7","7","3","5","1") = "9"
    & skf18("10","3","7","7","3","6","1") = "9"
    & skf18("10","3","7","7","3","7","1") = "9"
    & skf18("10","3","7","7","3","8","1") = "9"
    & skf18("10","3","7","7","3","9","1") = "9"
    & skf18("10","3","7","7","3","10","1") = "9"
    & skf18("10","3","7","7","4","1","1") = "9"
    & skf18("10","3","7","7","4","2","1") = "9"
    & skf18("10","3","7","7","4","3","1") = "9"
    & skf18("10","3","7","7","4","4","1") = "9"
    & skf18("10","3","7","7","4","5","1") = "9"
    & skf18("10","3","7","7","4","6","1") = "9"
    & skf18("10","3","7","7","4","7","1") = "9"
    & skf18("10","3","7","7","4","8","1") = "9"
    & skf18("10","3","7","7","4","9","1") = "9"
    & skf18("10","3","7","7","4","10","1") = "9"
    & skf18("10","3","7","7","5","1","1") = "9"
    & skf18("10","3","7","7","5","2","1") = "9"
    & skf18("10","3","7","7","5","3","1") = "9"
    & skf18("10","3","7","7","5","4","1") = "9"
    & skf18("10","3","7","7","5","5","1") = "9"
    & skf18("10","3","7","7","5","6","1") = "9"
    & skf18("10","3","7","7","5","7","1") = "9"
    & skf18("10","3","7","7","5","8","1") = "9"
    & skf18("10","3","7","7","5","9","1") = "9"
    & skf18("10","3","7","7","5","10","1") = "9"
    & skf18("10","3","7","7","6","1","1") = "9"
    & skf18("10","3","7","7","6","2","1") = "9"
    & skf18("10","3","7","7","6","3","1") = "9"
    & skf18("10","3","7","7","6","4","1") = "9"
    & skf18("10","3","7","7","6","5","1") = "9"
    & skf18("10","3","7","7","6","6","1") = "9"
    & skf18("10","3","7","7","6","7","1") = "9"
    & skf18("10","3","7","7","6","8","1") = "9"
    & skf18("10","3","7","7","6","9","1") = "9"
    & skf18("10","3","7","7","6","10","1") = "9"
    & skf18("10","3","7","7","7","1","1") = "9"
    & skf18("10","3","7","7","7","2","1") = "9"
    & skf18("10","3","7","7","7","3","1") = "9"
    & skf18("10","3","7","7","7","4","1") = "9"
    & skf18("10","3","7","7","7","5","1") = "9"
    & skf18("10","3","7","7","7","6","1") = "9"
    & skf18("10","3","7","7","7","7","1") = "9"
    & skf18("10","3","7","7","7","8","1") = "9"
    & skf18("10","3","7","7","7","9","1") = "9"
    & skf18("10","3","7","7","7","10","1") = "9"
    & skf18("10","3","7","7","8","1","1") = "9"
    & skf18("10","3","7","7","8","2","1") = "9"
    & skf18("10","3","7","7","8","3","1") = "9"
    & skf18("10","3","7","7","8","4","1") = "9"
    & skf18("10","3","7","7","8","5","1") = "9"
    & skf18("10","3","7","7","8","6","1") = "9"
    & skf18("10","3","7","7","8","7","1") = "9"
    & skf18("10","3","7","7","8","8","1") = "9"
    & skf18("10","3","7","7","8","9","1") = "9"
    & skf18("10","3","7","7","8","10","1") = "9"
    & skf18("10","3","7","7","9","1","1") = "9"
    & skf18("10","3","7","7","9","2","1") = "9"
    & skf18("10","3","7","7","9","3","1") = "9"
    & skf18("10","3","7","7","9","4","1") = "9"
    & skf18("10","3","7","7","9","5","1") = "9"
    & skf18("10","3","7","7","9","6","1") = "9"
    & skf18("10","3","7","7","9","7","1") = "9"
    & skf18("10","3","7","7","9","8","1") = "9"
    & skf18("10","3","7","7","9","9","1") = "9"
    & skf18("10","3","7","7","9","10","1") = "9"
    & skf18("10","3","7","7","10","1","1") = "9"
    & skf18("10","3","7","7","10","2","1") = "9"
    & skf18("10","3","7","7","10","3","1") = "9"
    & skf18("10","3","7","7","10","4","1") = "9"
    & skf18("10","3","7","7","10","5","1") = "9"
    & skf18("10","3","7","7","10","6","1") = "9"
    & skf18("10","3","7","7","10","7","1") = "9"
    & skf18("10","3","7","7","10","8","1") = "9"
    & skf18("10","3","7","7","10","9","1") = "9"
    & skf18("10","3","7","7","10","10","1") = "9"
    & skf18("10","3","7","8","1","1","1") = "9"
    & skf18("10","3","7","8","1","2","1") = "9"
    & skf18("10","3","7","8","1","3","1") = "9"
    & skf18("10","3","7","8","1","4","1") = "9"
    & skf18("10","3","7","8","1","5","1") = "9"
    & skf18("10","3","7","8","1","6","1") = "9"
    & skf18("10","3","7","8","1","7","1") = "9"
    & skf18("10","3","7","8","1","8","1") = "9"
    & skf18("10","3","7","8","1","9","1") = "9"
    & skf18("10","3","7","8","1","10","1") = "9"
    & skf18("10","3","7","8","2","1","1") = "9"
    & skf18("10","3","7","8","2","2","1") = "9"
    & skf18("10","3","7","8","2","3","1") = "9"
    & skf18("10","3","7","8","2","4","1") = "9"
    & skf18("10","3","7","8","2","5","1") = "9"
    & skf18("10","3","7","8","2","6","1") = "9"
    & skf18("10","3","7","8","2","7","1") = "9"
    & skf18("10","3","7","8","2","8","1") = "9"
    & skf18("10","3","7","8","2","9","1") = "9"
    & skf18("10","3","7","8","2","10","1") = "9"
    & skf18("10","3","7","8","3","1","1") = "9"
    & skf18("10","3","7","8","3","2","1") = "9"
    & skf18("10","3","7","8","3","3","1") = "9"
    & skf18("10","3","7","8","3","4","1") = "9"
    & skf18("10","3","7","8","3","5","1") = "9"
    & skf18("10","3","7","8","3","6","1") = "9"
    & skf18("10","3","7","8","3","7","1") = "9"
    & skf18("10","3","7","8","3","8","1") = "9"
    & skf18("10","3","7","8","3","9","1") = "9"
    & skf18("10","3","7","8","3","10","1") = "9"
    & skf18("10","3","7","8","4","1","1") = "9"
    & skf18("10","3","7","8","4","2","1") = "9"
    & skf18("10","3","7","8","4","3","1") = "9"
    & skf18("10","3","7","8","4","4","1") = "9"
    & skf18("10","3","7","8","4","5","1") = "9"
    & skf18("10","3","7","8","4","6","1") = "9"
    & skf18("10","3","7","8","4","7","1") = "9"
    & skf18("10","3","7","8","4","8","1") = "9"
    & skf18("10","3","7","8","4","9","1") = "9"
    & skf18("10","3","7","8","4","10","1") = "9"
    & skf18("10","3","7","8","5","1","1") = "9"
    & skf18("10","3","7","8","5","2","1") = "9"
    & skf18("10","3","7","8","5","3","1") = "9"
    & skf18("10","3","7","8","5","4","1") = "9"
    & skf18("10","3","7","8","5","5","1") = "9"
    & skf18("10","3","7","8","5","6","1") = "9"
    & skf18("10","3","7","8","5","7","1") = "9"
    & skf18("10","3","7","8","5","8","1") = "9"
    & skf18("10","3","7","8","5","9","1") = "9"
    & skf18("10","3","7","8","5","10","1") = "9"
    & skf18("10","3","7","8","6","1","1") = "9"
    & skf18("10","3","7","8","6","2","1") = "9"
    & skf18("10","3","7","8","6","3","1") = "9"
    & skf18("10","3","7","8","6","4","1") = "9"
    & skf18("10","3","7","8","6","5","1") = "9"
    & skf18("10","3","7","8","6","6","1") = "9"
    & skf18("10","3","7","8","6","7","1") = "9"
    & skf18("10","3","7","8","6","8","1") = "9"
    & skf18("10","3","7","8","6","9","1") = "9"
    & skf18("10","3","7","8","6","10","1") = "9"
    & skf18("10","3","7","8","7","1","1") = "9"
    & skf18("10","3","7","8","7","2","1") = "9"
    & skf18("10","3","7","8","7","3","1") = "9"
    & skf18("10","3","7","8","7","4","1") = "9"
    & skf18("10","3","7","8","7","5","1") = "9"
    & skf18("10","3","7","8","7","6","1") = "9"
    & skf18("10","3","7","8","7","7","1") = "9"
    & skf18("10","3","7","8","7","8","1") = "9"
    & skf18("10","3","7","8","7","9","1") = "9"
    & skf18("10","3","7","8","7","10","1") = "9"
    & skf18("10","3","7","8","8","1","1") = "9"
    & skf18("10","3","7","8","8","2","1") = "9"
    & skf18("10","3","7","8","8","3","1") = "9"
    & skf18("10","3","7","8","8","4","1") = "9"
    & skf18("10","3","7","8","8","5","1") = "9"
    & skf18("10","3","7","8","8","6","1") = "9"
    & skf18("10","3","7","8","8","7","1") = "9"
    & skf18("10","3","7","8","8","8","1") = "9"
    & skf18("10","3","7","8","8","9","1") = "9"
    & skf18("10","3","7","8","8","10","1") = "9"
    & skf18("10","3","7","8","9","1","1") = "9"
    & skf18("10","3","7","8","9","2","1") = "9"
    & skf18("10","3","7","8","9","3","1") = "9"
    & skf18("10","3","7","8","9","4","1") = "9"
    & skf18("10","3","7","8","9","5","1") = "9"
    & skf18("10","3","7","8","9","6","1") = "9"
    & skf18("10","3","7","8","9","7","1") = "9"
    & skf18("10","3","7","8","9","8","1") = "9"
    & skf18("10","3","7","8","9","9","1") = "9"
    & skf18("10","3","7","8","9","10","1") = "9"
    & skf18("10","3","7","8","10","1","1") = "9"
    & skf18("10","3","7","8","10","2","1") = "9"
    & skf18("10","3","7","8","10","3","1") = "9"
    & skf18("10","3","7","8","10","4","1") = "9"
    & skf18("10","3","7","8","10","5","1") = "9"
    & skf18("10","3","7","8","10","6","1") = "9"
    & skf18("10","3","7","8","10","7","1") = "9"
    & skf18("10","3","7","8","10","8","1") = "9"
    & skf18("10","3","7","8","10","9","1") = "9"
    & skf18("10","3","7","8","10","10","1") = "9"
    & skf18("10","3","7","9","1","1","1") = "9"
    & skf18("10","3","7","9","1","2","1") = "9"
    & skf18("10","3","7","9","1","3","1") = "9"
    & skf18("10","3","7","9","1","4","1") = "9"
    & skf18("10","3","7","9","1","5","1") = "9"
    & skf18("10","3","7","9","1","6","1") = "9"
    & skf18("10","3","7","9","1","7","1") = "9"
    & skf18("10","3","7","9","1","8","1") = "9"
    & skf18("10","3","7","9","1","9","1") = "9"
    & skf18("10","3","7","9","1","10","1") = "9"
    & skf18("10","3","7","9","2","1","1") = "9"
    & skf18("10","3","7","9","2","2","1") = "9"
    & skf18("10","3","7","9","2","3","1") = "9"
    & skf18("10","3","7","9","2","4","1") = "9"
    & skf18("10","3","7","9","2","5","1") = "9"
    & skf18("10","3","7","9","2","6","1") = "9"
    & skf18("10","3","7","9","2","7","1") = "9"
    & skf18("10","3","7","9","2","8","1") = "9"
    & skf18("10","3","7","9","2","9","1") = "9"
    & skf18("10","3","7","9","2","10","1") = "9"
    & skf18("10","3","7","9","3","1","1") = "9"
    & skf18("10","3","7","9","3","2","1") = "9"
    & skf18("10","3","7","9","3","3","1") = "9"
    & skf18("10","3","7","9","3","4","1") = "9"
    & skf18("10","3","7","9","3","5","1") = "9"
    & skf18("10","3","7","9","3","6","1") = "9"
    & skf18("10","3","7","9","3","7","1") = "9"
    & skf18("10","3","7","9","3","8","1") = "9"
    & skf18("10","3","7","9","3","9","1") = "9"
    & skf18("10","3","7","9","3","10","1") = "9"
    & skf18("10","3","7","9","4","1","1") = "9"
    & skf18("10","3","7","9","4","2","1") = "9"
    & skf18("10","3","7","9","4","3","1") = "9"
    & skf18("10","3","7","9","4","4","1") = "9"
    & skf18("10","3","7","9","4","5","1") = "9"
    & skf18("10","3","7","9","4","6","1") = "9"
    & skf18("10","3","7","9","4","7","1") = "9"
    & skf18("10","3","7","9","4","8","1") = "9"
    & skf18("10","3","7","9","4","9","1") = "9"
    & skf18("10","3","7","9","4","10","1") = "9"
    & skf18("10","3","7","9","5","1","1") = "9"
    & skf18("10","3","7","9","5","2","1") = "9"
    & skf18("10","3","7","9","5","3","1") = "9"
    & skf18("10","3","7","9","5","4","1") = "9"
    & skf18("10","3","7","9","5","5","1") = "9"
    & skf18("10","3","7","9","5","6","1") = "9"
    & skf18("10","3","7","9","5","7","1") = "9"
    & skf18("10","3","7","9","5","8","1") = "9"
    & skf18("10","3","7","9","5","9","1") = "9"
    & skf18("10","3","7","9","5","10","1") = "9"
    & skf18("10","3","7","9","6","1","1") = "9"
    & skf18("10","3","7","9","6","2","1") = "9"
    & skf18("10","3","7","9","6","3","1") = "9"
    & skf18("10","3","7","9","6","4","1") = "9"
    & skf18("10","3","7","9","6","5","1") = "9"
    & skf18("10","3","7","9","6","6","1") = "9"
    & skf18("10","3","7","9","6","7","1") = "9"
    & skf18("10","3","7","9","6","8","1") = "9"
    & skf18("10","3","7","9","6","9","1") = "9"
    & skf18("10","3","7","9","6","10","1") = "9"
    & skf18("10","3","7","9","7","1","1") = "9"
    & skf18("10","3","7","9","7","2","1") = "9"
    & skf18("10","3","7","9","7","3","1") = "9"
    & skf18("10","3","7","9","7","4","1") = "9"
    & skf18("10","3","7","9","7","5","1") = "9"
    & skf18("10","3","7","9","7","6","1") = "9"
    & skf18("10","3","7","9","7","7","1") = "9"
    & skf18("10","3","7","9","7","8","1") = "9"
    & skf18("10","3","7","9","7","9","1") = "9"
    & skf18("10","3","7","9","7","10","1") = "9"
    & skf18("10","3","7","9","8","1","1") = "9"
    & skf18("10","3","7","9","8","2","1") = "9"
    & skf18("10","3","7","9","8","3","1") = "9"
    & skf18("10","3","7","9","8","4","1") = "9"
    & skf18("10","3","7","9","8","5","1") = "9"
    & skf18("10","3","7","9","8","6","1") = "9"
    & skf18("10","3","7","9","8","7","1") = "9"
    & skf18("10","3","7","9","8","8","1") = "9"
    & skf18("10","3","7","9","8","9","1") = "9"
    & skf18("10","3","7","9","8","10","1") = "9"
    & skf18("10","3","7","9","9","1","1") = "9"
    & skf18("10","3","7","9","9","2","1") = "9"
    & skf18("10","3","7","9","9","3","1") = "9"
    & skf18("10","3","7","9","9","4","1") = "9"
    & skf18("10","3","7","9","9","5","1") = "9"
    & skf18("10","3","7","9","9","6","1") = "9"
    & skf18("10","3","7","9","9","7","1") = "9"
    & skf18("10","3","7","9","9","8","1") = "9"
    & skf18("10","3","7","9","9","9","1") = "9"
    & skf18("10","3","7","9","9","10","1") = "9"
    & skf18("10","3","7","9","10","1","1") = "9"
    & skf18("10","3","7","9","10","2","1") = "9"
    & skf18("10","3","7","9","10","3","1") = "9"
    & skf18("10","3","7","9","10","4","1") = "9"
    & skf18("10","3","7","9","10","5","1") = "9"
    & skf18("10","3","7","9","10","6","1") = "9"
    & skf18("10","3","7","9","10","7","1") = "9"
    & skf18("10","3","7","9","10","8","1") = "9"
    & skf18("10","3","7","9","10","9","1") = "9"
    & skf18("10","3","7","9","10","10","1") = "9"
    & skf18("10","3","7","10","1","1","1") = "9"
    & skf18("10","3","7","10","1","2","1") = "9"
    & skf18("10","3","7","10","1","3","1") = "9"
    & skf18("10","3","7","10","1","4","1") = "9"
    & skf18("10","3","7","10","1","5","1") = "9"
    & skf18("10","3","7","10","1","6","1") = "9"
    & skf18("10","3","7","10","1","7","1") = "9"
    & skf18("10","3","7","10","1","8","1") = "9"
    & skf18("10","3","7","10","1","9","1") = "9"
    & skf18("10","3","7","10","1","10","1") = "9"
    & skf18("10","3","7","10","2","1","1") = "9"
    & skf18("10","3","7","10","2","2","1") = "9"
    & skf18("10","3","7","10","2","3","1") = "9"
    & skf18("10","3","7","10","2","4","1") = "9"
    & skf18("10","3","7","10","2","5","1") = "9"
    & skf18("10","3","7","10","2","6","1") = "9"
    & skf18("10","3","7","10","2","7","1") = "9"
    & skf18("10","3","7","10","2","8","1") = "9"
    & skf18("10","3","7","10","2","9","1") = "9"
    & skf18("10","3","7","10","2","10","1") = "9"
    & skf18("10","3","7","10","3","1","1") = "9"
    & skf18("10","3","7","10","3","2","1") = "9"
    & skf18("10","3","7","10","3","3","1") = "9"
    & skf18("10","3","7","10","3","4","1") = "9"
    & skf18("10","3","7","10","3","5","1") = "9"
    & skf18("10","3","7","10","3","6","1") = "9"
    & skf18("10","3","7","10","3","7","1") = "9"
    & skf18("10","3","7","10","3","8","1") = "9"
    & skf18("10","3","7","10","3","9","1") = "9"
    & skf18("10","3","7","10","3","10","1") = "9"
    & skf18("10","3","7","10","4","1","1") = "9"
    & skf18("10","3","7","10","4","2","1") = "9"
    & skf18("10","3","7","10","4","3","1") = "9"
    & skf18("10","3","7","10","4","4","1") = "9"
    & skf18("10","3","7","10","4","5","1") = "9"
    & skf18("10","3","7","10","4","6","1") = "9"
    & skf18("10","3","7","10","4","7","1") = "9"
    & skf18("10","3","7","10","4","8","1") = "9"
    & skf18("10","3","7","10","4","9","1") = "9"
    & skf18("10","3","7","10","4","10","1") = "9"
    & skf18("10","3","7","10","5","1","1") = "9"
    & skf18("10","3","7","10","5","2","1") = "9"
    & skf18("10","3","7","10","5","3","1") = "9"
    & skf18("10","3","7","10","5","4","1") = "9"
    & skf18("10","3","7","10","5","5","1") = "9"
    & skf18("10","3","7","10","5","6","1") = "9"
    & skf18("10","3","7","10","5","7","1") = "9"
    & skf18("10","3","7","10","5","8","1") = "9"
    & skf18("10","3","7","10","5","9","1") = "9"
    & skf18("10","3","7","10","5","10","1") = "9"
    & skf18("10","3","7","10","6","1","1") = "9"
    & skf18("10","3","7","10","6","2","1") = "9"
    & skf18("10","3","7","10","6","3","1") = "9"
    & skf18("10","3","7","10","6","4","1") = "9"
    & skf18("10","3","7","10","6","5","1") = "9"
    & skf18("10","3","7","10","6","6","1") = "9"
    & skf18("10","3","7","10","6","7","1") = "9"
    & skf18("10","3","7","10","6","8","1") = "9"
    & skf18("10","3","7","10","6","9","1") = "9"
    & skf18("10","3","7","10","6","10","1") = "9"
    & skf18("10","3","7","10","7","1","1") = "9"
    & skf18("10","3","7","10","7","2","1") = "9"
    & skf18("10","3","7","10","7","3","1") = "9"
    & skf18("10","3","7","10","7","4","1") = "9"
    & skf18("10","3","7","10","7","5","1") = "9"
    & skf18("10","3","7","10","7","6","1") = "9"
    & skf18("10","3","7","10","7","7","1") = "9"
    & skf18("10","3","7","10","7","8","1") = "9"
    & skf18("10","3","7","10","7","9","1") = "9"
    & skf18("10","3","7","10","7","10","1") = "9"
    & skf18("10","3","7","10","8","1","1") = "9"
    & skf18("10","3","7","10","8","2","1") = "9"
    & skf18("10","3","7","10","8","3","1") = "9"
    & skf18("10","3","7","10","8","4","1") = "9"
    & skf18("10","3","7","10","8","5","1") = "9"
    & skf18("10","3","7","10","8","6","1") = "9"
    & skf18("10","3","7","10","8","7","1") = "9"
    & skf18("10","3","7","10","8","8","1") = "9"
    & skf18("10","3","7","10","8","9","1") = "9"
    & skf18("10","3","7","10","8","10","1") = "9"
    & skf18("10","3","7","10","9","1","1") = "9"
    & skf18("10","3","7","10","9","2","1") = "9"
    & skf18("10","3","7","10","9","3","1") = "9"
    & skf18("10","3","7","10","9","4","1") = "9"
    & skf18("10","3","7","10","9","5","1") = "9"
    & skf18("10","3","7","10","9","6","1") = "9"
    & skf18("10","3","7","10","9","7","1") = "9"
    & skf18("10","3","7","10","9","8","1") = "9"
    & skf18("10","3","7","10","9","9","1") = "9"
    & skf18("10","3","7","10","9","10","1") = "9"
    & skf18("10","3","7","10","10","1","1") = "9"
    & skf18("10","3","7","10","10","2","1") = "9"
    & skf18("10","3","7","10","10","3","1") = "9"
    & skf18("10","3","7","10","10","4","1") = "9"
    & skf18("10","3","7","10","10","5","1") = "9"
    & skf18("10","3","7","10","10","6","1") = "9"
    & skf18("10","3","7","10","10","7","1") = "9"
    & skf18("10","3","7","10","10","8","1") = "9"
    & skf18("10","3","7","10","10","9","1") = "9"
    & skf18("10","3","7","10","10","10","1") = "9"
    & skf18("10","3","8","1","1","1","1") = "9"
    & skf18("10","3","8","1","1","2","1") = "9"
    & skf18("10","3","8","1","1","3","1") = "9"
    & skf18("10","3","8","1","1","4","1") = "9"
    & skf18("10","3","8","1","1","5","1") = "9"
    & skf18("10","3","8","1","1","6","1") = "9"
    & skf18("10","3","8","1","1","7","1") = "9"
    & skf18("10","3","8","1","1","8","1") = "9"
    & skf18("10","3","8","1","1","9","1") = "9"
    & skf18("10","3","8","1","1","10","1") = "9"
    & skf18("10","3","8","1","2","1","1") = "9"
    & skf18("10","3","8","1","2","2","1") = "9"
    & skf18("10","3","8","1","2","3","1") = "9"
    & skf18("10","3","8","1","2","4","1") = "9"
    & skf18("10","3","8","1","2","5","1") = "9"
    & skf18("10","3","8","1","2","6","1") = "9"
    & skf18("10","3","8","1","2","7","1") = "9"
    & skf18("10","3","8","1","2","8","1") = "9"
    & skf18("10","3","8","1","2","9","1") = "9"
    & skf18("10","3","8","1","2","10","1") = "9"
    & skf18("10","3","8","1","3","1","1") = "9"
    & skf18("10","3","8","1","3","2","1") = "9"
    & skf18("10","3","8","1","3","3","1") = "9"
    & skf18("10","3","8","1","3","4","1") = "9"
    & skf18("10","3","8","1","3","5","1") = "9"
    & skf18("10","3","8","1","3","6","1") = "9"
    & skf18("10","3","8","1","3","7","1") = "9"
    & skf18("10","3","8","1","3","8","1") = "9"
    & skf18("10","3","8","1","3","9","1") = "9"
    & skf18("10","3","8","1","3","10","1") = "9"
    & skf18("10","3","8","1","4","1","1") = "9"
    & skf18("10","3","8","1","4","2","1") = "9"
    & skf18("10","3","8","1","4","3","1") = "9"
    & skf18("10","3","8","1","4","4","1") = "9"
    & skf18("10","3","8","1","4","5","1") = "9"
    & skf18("10","3","8","1","4","6","1") = "9"
    & skf18("10","3","8","1","4","7","1") = "9"
    & skf18("10","3","8","1","4","8","1") = "9"
    & skf18("10","3","8","1","4","9","1") = "9"
    & skf18("10","3","8","1","4","10","1") = "9"
    & skf18("10","3","8","1","5","1","1") = "9"
    & skf18("10","3","8","1","5","2","1") = "9"
    & skf18("10","3","8","1","5","3","1") = "9"
    & skf18("10","3","8","1","5","4","1") = "9"
    & skf18("10","3","8","1","5","5","1") = "9"
    & skf18("10","3","8","1","5","6","1") = "9"
    & skf18("10","3","8","1","5","7","1") = "9"
    & skf18("10","3","8","1","5","8","1") = "9"
    & skf18("10","3","8","1","5","9","1") = "9"
    & skf18("10","3","8","1","5","10","1") = "9"
    & skf18("10","3","8","1","6","1","1") = "9"
    & skf18("10","3","8","1","6","2","1") = "9"
    & skf18("10","3","8","1","6","3","1") = "9"
    & skf18("10","3","8","1","6","4","1") = "9"
    & skf18("10","3","8","1","6","5","1") = "9"
    & skf18("10","3","8","1","6","6","1") = "9"
    & skf18("10","3","8","1","6","7","1") = "9"
    & skf18("10","3","8","1","6","8","1") = "9"
    & skf18("10","3","8","1","6","9","1") = "9"
    & skf18("10","3","8","1","6","10","1") = "9"
    & skf18("10","3","8","1","7","1","1") = "9"
    & skf18("10","3","8","1","7","2","1") = "9"
    & skf18("10","3","8","1","7","3","1") = "9"
    & skf18("10","3","8","1","7","4","1") = "9"
    & skf18("10","3","8","1","7","5","1") = "9"
    & skf18("10","3","8","1","7","6","1") = "9"
    & skf18("10","3","8","1","7","7","1") = "9"
    & skf18("10","3","8","1","7","8","1") = "9"
    & skf18("10","3","8","1","7","9","1") = "9"
    & skf18("10","3","8","1","7","10","1") = "9"
    & skf18("10","3","8","1","8","1","1") = "9"
    & skf18("10","3","8","1","8","2","1") = "9"
    & skf18("10","3","8","1","8","3","1") = "9"
    & skf18("10","3","8","1","8","4","1") = "9"
    & skf18("10","3","8","1","8","5","1") = "9"
    & skf18("10","3","8","1","8","6","1") = "9"
    & skf18("10","3","8","1","8","7","1") = "9"
    & skf18("10","3","8","1","8","8","1") = "9"
    & skf18("10","3","8","1","8","9","1") = "9"
    & skf18("10","3","8","1","8","10","1") = "9"
    & skf18("10","3","8","1","9","1","1") = "9"
    & skf18("10","3","8","1","9","2","1") = "9"
    & skf18("10","3","8","1","9","3","1") = "9"
    & skf18("10","3","8","1","9","4","1") = "9"
    & skf18("10","3","8","1","9","5","1") = "9"
    & skf18("10","3","8","1","9","6","1") = "9"
    & skf18("10","3","8","1","9","7","1") = "9"
    & skf18("10","3","8","1","9","8","1") = "9"
    & skf18("10","3","8","1","9","9","1") = "9"
    & skf18("10","3","8","1","9","10","1") = "9"
    & skf18("10","3","8","1","10","1","1") = "9"
    & skf18("10","3","8","1","10","2","1") = "9"
    & skf18("10","3","8","1","10","3","1") = "9"
    & skf18("10","3","8","1","10","4","1") = "9"
    & skf18("10","3","8","1","10","5","1") = "9"
    & skf18("10","3","8","1","10","6","1") = "9"
    & skf18("10","3","8","1","10","7","1") = "9"
    & skf18("10","3","8","1","10","8","1") = "9"
    & skf18("10","3","8","1","10","9","1") = "9"
    & skf18("10","3","8","1","10","10","1") = "9"
    & skf18("10","3","8","2","1","1","1") = "9"
    & skf18("10","3","8","2","1","2","1") = "9"
    & skf18("10","3","8","2","1","3","1") = "9"
    & skf18("10","3","8","2","1","4","1") = "9"
    & skf18("10","3","8","2","1","5","1") = "9"
    & skf18("10","3","8","2","1","6","1") = "9"
    & skf18("10","3","8","2","1","7","1") = "9"
    & skf18("10","3","8","2","1","8","1") = "9"
    & skf18("10","3","8","2","1","9","1") = "9"
    & skf18("10","3","8","2","1","10","1") = "9"
    & skf18("10","3","8","2","2","1","1") = "9"
    & skf18("10","3","8","2","2","2","1") = "9"
    & skf18("10","3","8","2","2","3","1") = "9"
    & skf18("10","3","8","2","2","4","1") = "9"
    & skf18("10","3","8","2","2","5","1") = "9"
    & skf18("10","3","8","2","2","6","1") = "9"
    & skf18("10","3","8","2","2","7","1") = "9"
    & skf18("10","3","8","2","2","8","1") = "9"
    & skf18("10","3","8","2","2","9","1") = "9"
    & skf18("10","3","8","2","2","10","1") = "9"
    & skf18("10","3","8","2","3","1","1") = "9"
    & skf18("10","3","8","2","3","2","1") = "9"
    & skf18("10","3","8","2","3","3","1") = "9"
    & skf18("10","3","8","2","3","4","1") = "9"
    & skf18("10","3","8","2","3","5","1") = "9"
    & skf18("10","3","8","2","3","6","1") = "9"
    & skf18("10","3","8","2","3","7","1") = "9"
    & skf18("10","3","8","2","3","8","1") = "9"
    & skf18("10","3","8","2","3","9","1") = "9"
    & skf18("10","3","8","2","3","10","1") = "9"
    & skf18("10","3","8","2","4","1","1") = "9"
    & skf18("10","3","8","2","4","2","1") = "9"
    & skf18("10","3","8","2","4","3","1") = "9"
    & skf18("10","3","8","2","4","4","1") = "9"
    & skf18("10","3","8","2","4","5","1") = "9"
    & skf18("10","3","8","2","4","6","1") = "9"
    & skf18("10","3","8","2","4","7","1") = "9"
    & skf18("10","3","8","2","4","8","1") = "9"
    & skf18("10","3","8","2","4","9","1") = "9"
    & skf18("10","3","8","2","4","10","1") = "9"
    & skf18("10","3","8","2","5","1","1") = "9"
    & skf18("10","3","8","2","5","2","1") = "9"
    & skf18("10","3","8","2","5","3","1") = "9"
    & skf18("10","3","8","2","5","4","1") = "9"
    & skf18("10","3","8","2","5","5","1") = "9"
    & skf18("10","3","8","2","5","6","1") = "9"
    & skf18("10","3","8","2","5","7","1") = "9"
    & skf18("10","3","8","2","5","8","1") = "9"
    & skf18("10","3","8","2","5","9","1") = "9"
    & skf18("10","3","8","2","5","10","1") = "9"
    & skf18("10","3","8","2","6","1","1") = "9"
    & skf18("10","3","8","2","6","2","1") = "9"
    & skf18("10","3","8","2","6","3","1") = "9"
    & skf18("10","3","8","2","6","4","1") = "9"
    & skf18("10","3","8","2","6","5","1") = "9"
    & skf18("10","3","8","2","6","6","1") = "9"
    & skf18("10","3","8","2","6","7","1") = "9"
    & skf18("10","3","8","2","6","8","1") = "9"
    & skf18("10","3","8","2","6","9","1") = "9"
    & skf18("10","3","8","2","6","10","1") = "9"
    & skf18("10","3","8","2","7","1","1") = "9"
    & skf18("10","3","8","2","7","2","1") = "9"
    & skf18("10","3","8","2","7","3","1") = "9"
    & skf18("10","3","8","2","7","4","1") = "9"
    & skf18("10","3","8","2","7","5","1") = "9"
    & skf18("10","3","8","2","7","6","1") = "9"
    & skf18("10","3","8","2","7","7","1") = "9"
    & skf18("10","3","8","2","7","8","1") = "9"
    & skf18("10","3","8","2","7","9","1") = "9"
    & skf18("10","3","8","2","7","10","1") = "9"
    & skf18("10","3","8","2","8","1","1") = "9"
    & skf18("10","3","8","2","8","2","1") = "9"
    & skf18("10","3","8","2","8","3","1") = "9"
    & skf18("10","3","8","2","8","4","1") = "9"
    & skf18("10","3","8","2","8","5","1") = "9"
    & skf18("10","3","8","2","8","6","1") = "9"
    & skf18("10","3","8","2","8","7","1") = "9"
    & skf18("10","3","8","2","8","8","1") = "9"
    & skf18("10","3","8","2","8","9","1") = "9"
    & skf18("10","3","8","2","8","10","1") = "9"
    & skf18("10","3","8","2","9","1","1") = "9"
    & skf18("10","3","8","2","9","2","1") = "9"
    & skf18("10","3","8","2","9","3","1") = "9"
    & skf18("10","3","8","2","9","4","1") = "9"
    & skf18("10","3","8","2","9","5","1") = "9"
    & skf18("10","3","8","2","9","6","1") = "9"
    & skf18("10","3","8","2","9","7","1") = "9"
    & skf18("10","3","8","2","9","8","1") = "9"
    & skf18("10","3","8","2","9","9","1") = "9"
    & skf18("10","3","8","2","9","10","1") = "9"
    & skf18("10","3","8","2","10","1","1") = "9"
    & skf18("10","3","8","2","10","2","1") = "9"
    & skf18("10","3","8","2","10","3","1") = "9"
    & skf18("10","3","8","2","10","4","1") = "9"
    & skf18("10","3","8","2","10","5","1") = "9"
    & skf18("10","3","8","2","10","6","1") = "9"
    & skf18("10","3","8","2","10","7","1") = "9"
    & skf18("10","3","8","2","10","8","1") = "9"
    & skf18("10","3","8","2","10","9","1") = "9"
    & skf18("10","3","8","2","10","10","1") = "9"
    & skf18("10","3","8","3","1","1","1") = "9"
    & skf18("10","3","8","3","1","2","1") = "9"
    & skf18("10","3","8","3","1","3","1") = "9"
    & skf18("10","3","8","3","1","4","1") = "9"
    & skf18("10","3","8","3","1","5","1") = "9"
    & skf18("10","3","8","3","1","6","1") = "9"
    & skf18("10","3","8","3","1","7","1") = "9"
    & skf18("10","3","8","3","1","8","1") = "9"
    & skf18("10","3","8","3","1","9","1") = "9"
    & skf18("10","3","8","3","1","10","1") = "9"
    & skf18("10","3","8","3","2","1","1") = "9"
    & skf18("10","3","8","3","2","2","1") = "9"
    & skf18("10","3","8","3","2","3","1") = "9"
    & skf18("10","3","8","3","2","4","1") = "9"
    & skf18("10","3","8","3","2","5","1") = "9"
    & skf18("10","3","8","3","2","6","1") = "9"
    & skf18("10","3","8","3","2","7","1") = "9"
    & skf18("10","3","8","3","2","8","1") = "9"
    & skf18("10","3","8","3","2","9","1") = "9"
    & skf18("10","3","8","3","2","10","1") = "9"
    & skf18("10","3","8","3","3","1","1") = "9"
    & skf18("10","3","8","3","3","2","1") = "9"
    & skf18("10","3","8","3","3","3","1") = "9"
    & skf18("10","3","8","3","3","4","1") = "9"
    & skf18("10","3","8","3","3","5","1") = "9"
    & skf18("10","3","8","3","3","6","1") = "9"
    & skf18("10","3","8","3","3","7","1") = "9"
    & skf18("10","3","8","3","3","8","1") = "9"
    & skf18("10","3","8","3","3","9","1") = "9"
    & skf18("10","3","8","3","3","10","1") = "9"
    & skf18("10","3","8","3","4","1","1") = "9"
    & skf18("10","3","8","3","4","2","1") = "9"
    & skf18("10","3","8","3","4","3","1") = "9"
    & skf18("10","3","8","3","4","4","1") = "9"
    & skf18("10","3","8","3","4","5","1") = "9"
    & skf18("10","3","8","3","4","6","1") = "9"
    & skf18("10","3","8","3","4","7","1") = "9"
    & skf18("10","3","8","3","4","8","1") = "9"
    & skf18("10","3","8","3","4","9","1") = "9"
    & skf18("10","3","8","3","4","10","1") = "9"
    & skf18("10","3","8","3","5","1","1") = "9"
    & skf18("10","3","8","3","5","2","1") = "9"
    & skf18("10","3","8","3","5","3","1") = "9"
    & skf18("10","3","8","3","5","4","1") = "9"
    & skf18("10","3","8","3","5","5","1") = "9"
    & skf18("10","3","8","3","5","6","1") = "9"
    & skf18("10","3","8","3","5","7","1") = "9"
    & skf18("10","3","8","3","5","8","1") = "9"
    & skf18("10","3","8","3","5","9","1") = "9"
    & skf18("10","3","8","3","5","10","1") = "9"
    & skf18("10","3","8","3","6","1","1") = "9"
    & skf18("10","3","8","3","6","2","1") = "9"
    & skf18("10","3","8","3","6","3","1") = "9"
    & skf18("10","3","8","3","6","4","1") = "9"
    & skf18("10","3","8","3","6","5","1") = "9"
    & skf18("10","3","8","3","6","6","1") = "9"
    & skf18("10","3","8","3","6","7","1") = "9"
    & skf18("10","3","8","3","6","8","1") = "9"
    & skf18("10","3","8","3","6","9","1") = "9"
    & skf18("10","3","8","3","6","10","1") = "9"
    & skf18("10","3","8","3","7","1","1") = "9"
    & skf18("10","3","8","3","7","2","1") = "9"
    & skf18("10","3","8","3","7","3","1") = "9"
    & skf18("10","3","8","3","7","4","1") = "9"
    & skf18("10","3","8","3","7","5","1") = "9"
    & skf18("10","3","8","3","7","6","1") = "9"
    & skf18("10","3","8","3","7","7","1") = "9"
    & skf18("10","3","8","3","7","8","1") = "9"
    & skf18("10","3","8","3","7","9","1") = "9"
    & skf18("10","3","8","3","7","10","1") = "9"
    & skf18("10","3","8","3","8","1","1") = "9"
    & skf18("10","3","8","3","8","2","1") = "9"
    & skf18("10","3","8","3","8","3","1") = "9"
    & skf18("10","3","8","3","8","4","1") = "9"
    & skf18("10","3","8","3","8","5","1") = "9"
    & skf18("10","3","8","3","8","6","1") = "9"
    & skf18("10","3","8","3","8","7","1") = "9"
    & skf18("10","3","8","3","8","8","1") = "9"
    & skf18("10","3","8","3","8","9","1") = "9"
    & skf18("10","3","8","3","8","10","1") = "9"
    & skf18("10","3","8","3","9","1","1") = "9"
    & skf18("10","3","8","3","9","2","1") = "9"
    & skf18("10","3","8","3","9","3","1") = "9"
    & skf18("10","3","8","3","9","4","1") = "9"
    & skf18("10","3","8","3","9","5","1") = "9"
    & skf18("10","3","8","3","9","6","1") = "9"
    & skf18("10","3","8","3","9","7","1") = "9"
    & skf18("10","3","8","3","9","8","1") = "9"
    & skf18("10","3","8","3","9","9","1") = "9"
    & skf18("10","3","8","3","9","10","1") = "9"
    & skf18("10","3","8","3","10","1","1") = "9"
    & skf18("10","3","8","3","10","2","1") = "9"
    & skf18("10","3","8","3","10","3","1") = "9"
    & skf18("10","3","8","3","10","4","1") = "9"
    & skf18("10","3","8","3","10","5","1") = "9"
    & skf18("10","3","8","3","10","6","1") = "9"
    & skf18("10","3","8","3","10","7","1") = "9"
    & skf18("10","3","8","3","10","8","1") = "9"
    & skf18("10","3","8","3","10","9","1") = "9"
    & skf18("10","3","8","3","10","10","1") = "9"
    & skf18("10","3","8","4","1","1","1") = "9"
    & skf18("10","3","8","4","1","2","1") = "9"
    & skf18("10","3","8","4","1","3","1") = "9"
    & skf18("10","3","8","4","1","4","1") = "9"
    & skf18("10","3","8","4","1","5","1") = "9"
    & skf18("10","3","8","4","1","6","1") = "9"
    & skf18("10","3","8","4","1","7","1") = "9"
    & skf18("10","3","8","4","1","8","1") = "9"
    & skf18("10","3","8","4","1","9","1") = "9"
    & skf18("10","3","8","4","1","10","1") = "9"
    & skf18("10","3","8","4","2","1","1") = "9"
    & skf18("10","3","8","4","2","2","1") = "9"
    & skf18("10","3","8","4","2","3","1") = "9"
    & skf18("10","3","8","4","2","4","1") = "9"
    & skf18("10","3","8","4","2","5","1") = "9"
    & skf18("10","3","8","4","2","6","1") = "9"
    & skf18("10","3","8","4","2","7","1") = "9"
    & skf18("10","3","8","4","2","8","1") = "9"
    & skf18("10","3","8","4","2","9","1") = "9"
    & skf18("10","3","8","4","2","10","1") = "9"
    & skf18("10","3","8","4","3","1","1") = "9"
    & skf18("10","3","8","4","3","2","1") = "9"
    & skf18("10","3","8","4","3","3","1") = "9"
    & skf18("10","3","8","4","3","4","1") = "9"
    & skf18("10","3","8","4","3","5","1") = "9"
    & skf18("10","3","8","4","3","6","1") = "9"
    & skf18("10","3","8","4","3","7","1") = "9"
    & skf18("10","3","8","4","3","8","1") = "9"
    & skf18("10","3","8","4","3","9","1") = "9"
    & skf18("10","3","8","4","3","10","1") = "9"
    & skf18("10","3","8","4","4","1","1") = "9"
    & skf18("10","3","8","4","4","2","1") = "9"
    & skf18("10","3","8","4","4","3","1") = "9"
    & skf18("10","3","8","4","4","4","1") = "9"
    & skf18("10","3","8","4","4","5","1") = "9"
    & skf18("10","3","8","4","4","6","1") = "9"
    & skf18("10","3","8","4","4","7","1") = "9"
    & skf18("10","3","8","4","4","8","1") = "9"
    & skf18("10","3","8","4","4","9","1") = "9"
    & skf18("10","3","8","4","4","10","1") = "9"
    & skf18("10","3","8","4","5","1","1") = "9"
    & skf18("10","3","8","4","5","2","1") = "9"
    & skf18("10","3","8","4","5","3","1") = "9"
    & skf18("10","3","8","4","5","4","1") = "9"
    & skf18("10","3","8","4","5","5","1") = "9"
    & skf18("10","3","8","4","5","6","1") = "9"
    & skf18("10","3","8","4","5","7","1") = "9"
    & skf18("10","3","8","4","5","8","1") = "9"
    & skf18("10","3","8","4","5","9","1") = "9"
    & skf18("10","3","8","4","5","10","1") = "9"
    & skf18("10","3","8","4","6","1","1") = "9"
    & skf18("10","3","8","4","6","2","1") = "9"
    & skf18("10","3","8","4","6","3","1") = "9"
    & skf18("10","3","8","4","6","4","1") = "9"
    & skf18("10","3","8","4","6","5","1") = "9"
    & skf18("10","3","8","4","6","6","1") = "9"
    & skf18("10","3","8","4","6","7","1") = "9"
    & skf18("10","3","8","4","6","8","1") = "9"
    & skf18("10","3","8","4","6","9","1") = "9"
    & skf18("10","3","8","4","6","10","1") = "9"
    & skf18("10","3","8","4","7","1","1") = "9"
    & skf18("10","3","8","4","7","2","1") = "9"
    & skf18("10","3","8","4","7","3","1") = "9"
    & skf18("10","3","8","4","7","4","1") = "9"
    & skf18("10","3","8","4","7","5","1") = "9"
    & skf18("10","3","8","4","7","6","1") = "9"
    & skf18("10","3","8","4","7","7","1") = "9"
    & skf18("10","3","8","4","7","8","1") = "9"
    & skf18("10","3","8","4","7","9","1") = "9"
    & skf18("10","3","8","4","7","10","1") = "9"
    & skf18("10","3","8","4","8","1","1") = "9"
    & skf18("10","3","8","4","8","2","1") = "9"
    & skf18("10","3","8","4","8","3","1") = "9"
    & skf18("10","3","8","4","8","4","1") = "9"
    & skf18("10","3","8","4","8","5","1") = "9"
    & skf18("10","3","8","4","8","6","1") = "9"
    & skf18("10","3","8","4","8","7","1") = "9"
    & skf18("10","3","8","4","8","8","1") = "9"
    & skf18("10","3","8","4","8","9","1") = "9"
    & skf18("10","3","8","4","8","10","1") = "9"
    & skf18("10","3","8","4","9","1","1") = "9"
    & skf18("10","3","8","4","9","2","1") = "9"
    & skf18("10","3","8","4","9","3","1") = "9"
    & skf18("10","3","8","4","9","4","1") = "9"
    & skf18("10","3","8","4","9","5","1") = "9"
    & skf18("10","3","8","4","9","6","1") = "9"
    & skf18("10","3","8","4","9","7","1") = "9"
    & skf18("10","3","8","4","9","8","1") = "9"
    & skf18("10","3","8","4","9","9","1") = "9"
    & skf18("10","3","8","4","9","10","1") = "9"
    & skf18("10","3","8","4","10","1","1") = "9"
    & skf18("10","3","8","4","10","2","1") = "9"
    & skf18("10","3","8","4","10","3","1") = "9"
    & skf18("10","3","8","4","10","4","1") = "9"
    & skf18("10","3","8","4","10","5","1") = "9"
    & skf18("10","3","8","4","10","6","1") = "9"
    & skf18("10","3","8","4","10","7","1") = "9"
    & skf18("10","3","8","4","10","8","1") = "9"
    & skf18("10","3","8","4","10","9","1") = "9"
    & skf18("10","3","8","4","10","10","1") = "9"
    & skf18("10","3","8","5","1","1","1") = "9"
    & skf18("10","3","8","5","1","2","1") = "9"
    & skf18("10","3","8","5","1","3","1") = "9"
    & skf18("10","3","8","5","1","4","1") = "9"
    & skf18("10","3","8","5","1","5","1") = "9"
    & skf18("10","3","8","5","1","6","1") = "9"
    & skf18("10","3","8","5","1","7","1") = "9"
    & skf18("10","3","8","5","1","8","1") = "9"
    & skf18("10","3","8","5","1","9","1") = "9"
    & skf18("10","3","8","5","1","10","1") = "9"
    & skf18("10","3","8","5","2","1","1") = "9"
    & skf18("10","3","8","5","2","2","1") = "9"
    & skf18("10","3","8","5","2","3","1") = "9"
    & skf18("10","3","8","5","2","4","1") = "9"
    & skf18("10","3","8","5","2","5","1") = "9"
    & skf18("10","3","8","5","2","6","1") = "9"
    & skf18("10","3","8","5","2","7","1") = "9"
    & skf18("10","3","8","5","2","8","1") = "9"
    & skf18("10","3","8","5","2","9","1") = "9"
    & skf18("10","3","8","5","2","10","1") = "9"
    & skf18("10","3","8","5","3","1","1") = "9"
    & skf18("10","3","8","5","3","2","1") = "9"
    & skf18("10","3","8","5","3","3","1") = "9"
    & skf18("10","3","8","5","3","4","1") = "9"
    & skf18("10","3","8","5","3","5","1") = "9"
    & skf18("10","3","8","5","3","6","1") = "9"
    & skf18("10","3","8","5","3","7","1") = "9"
    & skf18("10","3","8","5","3","8","1") = "9"
    & skf18("10","3","8","5","3","9","1") = "9"
    & skf18("10","3","8","5","3","10","1") = "9"
    & skf18("10","3","8","5","4","1","1") = "9"
    & skf18("10","3","8","5","4","2","1") = "9"
    & skf18("10","3","8","5","4","3","1") = "9"
    & skf18("10","3","8","5","4","4","1") = "9"
    & skf18("10","3","8","5","4","5","1") = "9"
    & skf18("10","3","8","5","4","6","1") = "9"
    & skf18("10","3","8","5","4","7","1") = "9"
    & skf18("10","3","8","5","4","8","1") = "9"
    & skf18("10","3","8","5","4","9","1") = "9"
    & skf18("10","3","8","5","4","10","1") = "9"
    & skf18("10","3","8","5","5","1","1") = "9"
    & skf18("10","3","8","5","5","2","1") = "9"
    & skf18("10","3","8","5","5","3","1") = "9"
    & skf18("10","3","8","5","5","4","1") = "9"
    & skf18("10","3","8","5","5","5","1") = "9"
    & skf18("10","3","8","5","5","6","1") = "9"
    & skf18("10","3","8","5","5","7","1") = "9"
    & skf18("10","3","8","5","5","8","1") = "9"
    & skf18("10","3","8","5","5","9","1") = "9"
    & skf18("10","3","8","5","5","10","1") = "9"
    & skf18("10","3","8","5","6","1","1") = "9"
    & skf18("10","3","8","5","6","2","1") = "9"
    & skf18("10","3","8","5","6","3","1") = "9"
    & skf18("10","3","8","5","6","4","1") = "9"
    & skf18("10","3","8","5","6","5","1") = "9"
    & skf18("10","3","8","5","6","6","1") = "9"
    & skf18("10","3","8","5","6","7","1") = "9"
    & skf18("10","3","8","5","6","8","1") = "9"
    & skf18("10","3","8","5","6","9","1") = "9"
    & skf18("10","3","8","5","6","10","1") = "9"
    & skf18("10","3","8","5","7","1","1") = "9"
    & skf18("10","3","8","5","7","2","1") = "9"
    & skf18("10","3","8","5","7","3","1") = "9"
    & skf18("10","3","8","5","7","4","1") = "9"
    & skf18("10","3","8","5","7","5","1") = "9"
    & skf18("10","3","8","5","7","6","1") = "9"
    & skf18("10","3","8","5","7","7","1") = "9"
    & skf18("10","3","8","5","7","8","1") = "9"
    & skf18("10","3","8","5","7","9","1") = "9"
    & skf18("10","3","8","5","7","10","1") = "9"
    & skf18("10","3","8","5","8","1","1") = "9"
    & skf18("10","3","8","5","8","2","1") = "9"
    & skf18("10","3","8","5","8","3","1") = "9"
    & skf18("10","3","8","5","8","4","1") = "9"
    & skf18("10","3","8","5","8","5","1") = "9"
    & skf18("10","3","8","5","8","6","1") = "9"
    & skf18("10","3","8","5","8","7","1") = "9"
    & skf18("10","3","8","5","8","8","1") = "9"
    & skf18("10","3","8","5","8","9","1") = "9"
    & skf18("10","3","8","5","8","10","1") = "9"
    & skf18("10","3","8","5","9","1","1") = "9"
    & skf18("10","3","8","5","9","2","1") = "9"
    & skf18("10","3","8","5","9","3","1") = "9"
    & skf18("10","3","8","5","9","4","1") = "9"
    & skf18("10","3","8","5","9","5","1") = "9"
    & skf18("10","3","8","5","9","6","1") = "9"
    & skf18("10","3","8","5","9","7","1") = "9"
    & skf18("10","3","8","5","9","8","1") = "9"
    & skf18("10","3","8","5","9","9","1") = "9"
    & skf18("10","3","8","5","9","10","1") = "9"
    & skf18("10","3","8","5","10","1","1") = "9"
    & skf18("10","3","8","5","10","2","1") = "9"
    & skf18("10","3","8","5","10","3","1") = "9"
    & skf18("10","3","8","5","10","4","1") = "9"
    & skf18("10","3","8","5","10","5","1") = "9"
    & skf18("10","3","8","5","10","6","1") = "9"
    & skf18("10","3","8","5","10","7","1") = "9"
    & skf18("10","3","8","5","10","8","1") = "9"
    & skf18("10","3","8","5","10","9","1") = "9"
    & skf18("10","3","8","5","10","10","1") = "9"
    & skf18("10","3","8","6","1","1","1") = "9"
    & skf18("10","3","8","6","1","2","1") = "9"
    & skf18("10","3","8","6","1","3","1") = "9"
    & skf18("10","3","8","6","1","4","1") = "9"
    & skf18("10","3","8","6","1","5","1") = "9"
    & skf18("10","3","8","6","1","6","1") = "9"
    & skf18("10","3","8","6","1","7","1") = "9"
    & skf18("10","3","8","6","1","8","1") = "9"
    & skf18("10","3","8","6","1","9","1") = "9"
    & skf18("10","3","8","6","1","10","1") = "9"
    & skf18("10","3","8","6","2","1","1") = "9"
    & skf18("10","3","8","6","2","2","1") = "9"
    & skf18("10","3","8","6","2","3","1") = "9"
    & skf18("10","3","8","6","2","4","1") = "9"
    & skf18("10","3","8","6","2","5","1") = "9"
    & skf18("10","3","8","6","2","6","1") = "9"
    & skf18("10","3","8","6","2","7","1") = "9"
    & skf18("10","3","8","6","2","8","1") = "9"
    & skf18("10","3","8","6","2","9","1") = "9"
    & skf18("10","3","8","6","2","10","1") = "9"
    & skf18("10","3","8","6","3","1","1") = "9"
    & skf18("10","3","8","6","3","2","1") = "9"
    & skf18("10","3","8","6","3","3","1") = "9"
    & skf18("10","3","8","6","3","4","1") = "9"
    & skf18("10","3","8","6","3","5","1") = "9"
    & skf18("10","3","8","6","3","6","1") = "9"
    & skf18("10","3","8","6","3","7","1") = "9"
    & skf18("10","3","8","6","3","8","1") = "9"
    & skf18("10","3","8","6","3","9","1") = "9"
    & skf18("10","3","8","6","3","10","1") = "9"
    & skf18("10","3","8","6","4","1","1") = "9"
    & skf18("10","3","8","6","4","2","1") = "9"
    & skf18("10","3","8","6","4","3","1") = "9"
    & skf18("10","3","8","6","4","4","1") = "9"
    & skf18("10","3","8","6","4","5","1") = "9"
    & skf18("10","3","8","6","4","6","1") = "9"
    & skf18("10","3","8","6","4","7","1") = "9"
    & skf18("10","3","8","6","4","8","1") = "9"
    & skf18("10","3","8","6","4","9","1") = "9"
    & skf18("10","3","8","6","4","10","1") = "9"
    & skf18("10","3","8","6","5","1","1") = "9"
    & skf18("10","3","8","6","5","2","1") = "9"
    & skf18("10","3","8","6","5","3","1") = "9"
    & skf18("10","3","8","6","5","4","1") = "9"
    & skf18("10","3","8","6","5","5","1") = "9"
    & skf18("10","3","8","6","5","6","1") = "9"
    & skf18("10","3","8","6","5","7","1") = "9"
    & skf18("10","3","8","6","5","8","1") = "9"
    & skf18("10","3","8","6","5","9","1") = "9"
    & skf18("10","3","8","6","5","10","1") = "9"
    & skf18("10","3","8","6","6","1","1") = "9"
    & skf18("10","3","8","6","6","2","1") = "9"
    & skf18("10","3","8","6","6","3","1") = "9"
    & skf18("10","3","8","6","6","4","1") = "9"
    & skf18("10","3","8","6","6","5","1") = "9"
    & skf18("10","3","8","6","6","6","1") = "9"
    & skf18("10","3","8","6","6","7","1") = "9"
    & skf18("10","3","8","6","6","8","1") = "9"
    & skf18("10","3","8","6","6","9","1") = "9"
    & skf18("10","3","8","6","6","10","1") = "9"
    & skf18("10","3","8","6","7","1","1") = "9"
    & skf18("10","3","8","6","7","2","1") = "9"
    & skf18("10","3","8","6","7","3","1") = "9"
    & skf18("10","3","8","6","7","4","1") = "9"
    & skf18("10","3","8","6","7","5","1") = "9"
    & skf18("10","3","8","6","7","6","1") = "9"
    & skf18("10","3","8","6","7","7","1") = "9"
    & skf18("10","3","8","6","7","8","1") = "9"
    & skf18("10","3","8","6","7","9","1") = "9"
    & skf18("10","3","8","6","7","10","1") = "9"
    & skf18("10","3","8","6","8","1","1") = "9"
    & skf18("10","3","8","6","8","2","1") = "9"
    & skf18("10","3","8","6","8","3","1") = "9"
    & skf18("10","3","8","6","8","4","1") = "9"
    & skf18("10","3","8","6","8","5","1") = "9"
    & skf18("10","3","8","6","8","6","1") = "9"
    & skf18("10","3","8","6","8","7","1") = "9"
    & skf18("10","3","8","6","8","8","1") = "9"
    & skf18("10","3","8","6","8","9","1") = "9"
    & skf18("10","3","8","6","8","10","1") = "9"
    & skf18("10","3","8","6","9","1","1") = "9"
    & skf18("10","3","8","6","9","2","1") = "9"
    & skf18("10","3","8","6","9","3","1") = "9"
    & skf18("10","3","8","6","9","4","1") = "9"
    & skf18("10","3","8","6","9","5","1") = "9"
    & skf18("10","3","8","6","9","6","1") = "9"
    & skf18("10","3","8","6","9","7","1") = "9"
    & skf18("10","3","8","6","9","8","1") = "9"
    & skf18("10","3","8","6","9","9","1") = "9"
    & skf18("10","3","8","6","9","10","1") = "9"
    & skf18("10","3","8","6","10","1","1") = "9"
    & skf18("10","3","8","6","10","2","1") = "9"
    & skf18("10","3","8","6","10","3","1") = "9"
    & skf18("10","3","8","6","10","4","1") = "9"
    & skf18("10","3","8","6","10","5","1") = "9"
    & skf18("10","3","8","6","10","6","1") = "9"
    & skf18("10","3","8","6","10","7","1") = "9"
    & skf18("10","3","8","6","10","8","1") = "9"
    & skf18("10","3","8","6","10","9","1") = "9"
    & skf18("10","3","8","6","10","10","1") = "9"
    & skf18("10","3","8","7","1","1","1") = "9"
    & skf18("10","3","8","7","1","2","1") = "9"
    & skf18("10","3","8","7","1","3","1") = "9"
    & skf18("10","3","8","7","1","4","1") = "9"
    & skf18("10","3","8","7","1","5","1") = "9"
    & skf18("10","3","8","7","1","6","1") = "9"
    & skf18("10","3","8","7","1","7","1") = "9"
    & skf18("10","3","8","7","1","8","1") = "9"
    & skf18("10","3","8","7","1","9","1") = "9"
    & skf18("10","3","8","7","1","10","1") = "9"
    & skf18("10","3","8","7","2","1","1") = "9"
    & skf18("10","3","8","7","2","2","1") = "9"
    & skf18("10","3","8","7","2","3","1") = "9"
    & skf18("10","3","8","7","2","4","1") = "9"
    & skf18("10","3","8","7","2","5","1") = "9"
    & skf18("10","3","8","7","2","6","1") = "9"
    & skf18("10","3","8","7","2","7","1") = "9"
    & skf18("10","3","8","7","2","8","1") = "9"
    & skf18("10","3","8","7","2","9","1") = "9"
    & skf18("10","3","8","7","2","10","1") = "9"
    & skf18("10","3","8","7","3","1","1") = "9"
    & skf18("10","3","8","7","3","2","1") = "9"
    & skf18("10","3","8","7","3","3","1") = "9"
    & skf18("10","3","8","7","3","4","1") = "9"
    & skf18("10","3","8","7","3","5","1") = "9"
    & skf18("10","3","8","7","3","6","1") = "9"
    & skf18("10","3","8","7","3","7","1") = "9"
    & skf18("10","3","8","7","3","8","1") = "9"
    & skf18("10","3","8","7","3","9","1") = "9"
    & skf18("10","3","8","7","3","10","1") = "9"
    & skf18("10","3","8","7","4","1","1") = "9"
    & skf18("10","3","8","7","4","2","1") = "9"
    & skf18("10","3","8","7","4","3","1") = "9"
    & skf18("10","3","8","7","4","4","1") = "9"
    & skf18("10","3","8","7","4","5","1") = "9"
    & skf18("10","3","8","7","4","6","1") = "9"
    & skf18("10","3","8","7","4","7","1") = "9"
    & skf18("10","3","8","7","4","8","1") = "9"
    & skf18("10","3","8","7","4","9","1") = "9"
    & skf18("10","3","8","7","4","10","1") = "9"
    & skf18("10","3","8","7","5","1","1") = "9"
    & skf18("10","3","8","7","5","2","1") = "9"
    & skf18("10","3","8","7","5","3","1") = "9"
    & skf18("10","3","8","7","5","4","1") = "9"
    & skf18("10","3","8","7","5","5","1") = "9"
    & skf18("10","3","8","7","5","6","1") = "9"
    & skf18("10","3","8","7","5","7","1") = "9"
    & skf18("10","3","8","7","5","8","1") = "9"
    & skf18("10","3","8","7","5","9","1") = "9"
    & skf18("10","3","8","7","5","10","1") = "9"
    & skf18("10","3","8","7","6","1","1") = "9"
    & skf18("10","3","8","7","6","2","1") = "9"
    & skf18("10","3","8","7","6","3","1") = "9"
    & skf18("10","3","8","7","6","4","1") = "9"
    & skf18("10","3","8","7","6","5","1") = "9"
    & skf18("10","3","8","7","6","6","1") = "9"
    & skf18("10","3","8","7","6","7","1") = "9"
    & skf18("10","3","8","7","6","8","1") = "9"
    & skf18("10","3","8","7","6","9","1") = "9"
    & skf18("10","3","8","7","6","10","1") = "9"
    & skf18("10","3","8","7","7","1","1") = "9"
    & skf18("10","3","8","7","7","2","1") = "9"
    & skf18("10","3","8","7","7","3","1") = "9"
    & skf18("10","3","8","7","7","4","1") = "9"
    & skf18("10","3","8","7","7","5","1") = "9"
    & skf18("10","3","8","7","7","6","1") = "9"
    & skf18("10","3","8","7","7","7","1") = "9"
    & skf18("10","3","8","7","7","8","1") = "9"
    & skf18("10","3","8","7","7","9","1") = "9"
    & skf18("10","3","8","7","7","10","1") = "9"
    & skf18("10","3","8","7","8","1","1") = "9"
    & skf18("10","3","8","7","8","2","1") = "9"
    & skf18("10","3","8","7","8","3","1") = "9"
    & skf18("10","3","8","7","8","4","1") = "9"
    & skf18("10","3","8","7","8","5","1") = "9"
    & skf18("10","3","8","7","8","6","1") = "9"
    & skf18("10","3","8","7","8","7","1") = "9"
    & skf18("10","3","8","7","8","8","1") = "9"
    & skf18("10","3","8","7","8","9","1") = "9"
    & skf18("10","3","8","7","8","10","1") = "9"
    & skf18("10","3","8","7","9","1","1") = "9"
    & skf18("10","3","8","7","9","2","1") = "9"
    & skf18("10","3","8","7","9","3","1") = "9"
    & skf18("10","3","8","7","9","4","1") = "9"
    & skf18("10","3","8","7","9","5","1") = "9"
    & skf18("10","3","8","7","9","6","1") = "9"
    & skf18("10","3","8","7","9","7","1") = "9"
    & skf18("10","3","8","7","9","8","1") = "9"
    & skf18("10","3","8","7","9","9","1") = "9"
    & skf18("10","3","8","7","9","10","1") = "9"
    & skf18("10","3","8","7","10","1","1") = "9"
    & skf18("10","3","8","7","10","2","1") = "9"
    & skf18("10","3","8","7","10","3","1") = "9"
    & skf18("10","3","8","7","10","4","1") = "9"
    & skf18("10","3","8","7","10","5","1") = "9"
    & skf18("10","3","8","7","10","6","1") = "9"
    & skf18("10","3","8","7","10","7","1") = "9"
    & skf18("10","3","8","7","10","8","1") = "9"
    & skf18("10","3","8","7","10","9","1") = "9"
    & skf18("10","3","8","7","10","10","1") = "9"
    & skf18("10","3","8","8","1","1","1") = "9"
    & skf18("10","3","8","8","1","2","1") = "9"
    & skf18("10","3","8","8","1","3","1") = "9"
    & skf18("10","3","8","8","1","4","1") = "9"
    & skf18("10","3","8","8","1","5","1") = "9"
    & skf18("10","3","8","8","1","6","1") = "9"
    & skf18("10","3","8","8","1","7","1") = "9"
    & skf18("10","3","8","8","1","8","1") = "9"
    & skf18("10","3","8","8","1","9","1") = "9"
    & skf18("10","3","8","8","1","10","1") = "9"
    & skf18("10","3","8","8","2","1","1") = "9"
    & skf18("10","3","8","8","2","2","1") = "9"
    & skf18("10","3","8","8","2","3","1") = "9"
    & skf18("10","3","8","8","2","4","1") = "9"
    & skf18("10","3","8","8","2","5","1") = "9"
    & skf18("10","3","8","8","2","6","1") = "9"
    & skf18("10","3","8","8","2","7","1") = "9"
    & skf18("10","3","8","8","2","8","1") = "9"
    & skf18("10","3","8","8","2","9","1") = "9"
    & skf18("10","3","8","8","2","10","1") = "9"
    & skf18("10","3","8","8","3","1","1") = "9"
    & skf18("10","3","8","8","3","2","1") = "9"
    & skf18("10","3","8","8","3","3","1") = "9"
    & skf18("10","3","8","8","3","4","1") = "9"
    & skf18("10","3","8","8","3","5","1") = "9"
    & skf18("10","3","8","8","3","6","1") = "9"
    & skf18("10","3","8","8","3","7","1") = "9"
    & skf18("10","3","8","8","3","8","1") = "9"
    & skf18("10","3","8","8","3","9","1") = "9"
    & skf18("10","3","8","8","3","10","1") = "9"
    & skf18("10","3","8","8","4","1","1") = "9"
    & skf18("10","3","8","8","4","2","1") = "9"
    & skf18("10","3","8","8","4","3","1") = "9"
    & skf18("10","3","8","8","4","4","1") = "9"
    & skf18("10","3","8","8","4","5","1") = "9"
    & skf18("10","3","8","8","4","6","1") = "9"
    & skf18("10","3","8","8","4","7","1") = "9"
    & skf18("10","3","8","8","4","8","1") = "9"
    & skf18("10","3","8","8","4","9","1") = "9"
    & skf18("10","3","8","8","4","10","1") = "9"
    & skf18("10","3","8","8","5","1","1") = "9"
    & skf18("10","3","8","8","5","2","1") = "9"
    & skf18("10","3","8","8","5","3","1") = "9"
    & skf18("10","3","8","8","5","4","1") = "9"
    & skf18("10","3","8","8","5","5","1") = "9"
    & skf18("10","3","8","8","5","6","1") = "9"
    & skf18("10","3","8","8","5","7","1") = "9"
    & skf18("10","3","8","8","5","8","1") = "9"
    & skf18("10","3","8","8","5","9","1") = "9"
    & skf18("10","3","8","8","5","10","1") = "9"
    & skf18("10","3","8","8","6","1","1") = "9"
    & skf18("10","3","8","8","6","2","1") = "9"
    & skf18("10","3","8","8","6","3","1") = "9"
    & skf18("10","3","8","8","6","4","1") = "9"
    & skf18("10","3","8","8","6","5","1") = "9"
    & skf18("10","3","8","8","6","6","1") = "9"
    & skf18("10","3","8","8","6","7","1") = "9"
    & skf18("10","3","8","8","6","8","1") = "9"
    & skf18("10","3","8","8","6","9","1") = "9"
    & skf18("10","3","8","8","6","10","1") = "9"
    & skf18("10","3","8","8","7","1","1") = "9"
    & skf18("10","3","8","8","7","2","1") = "9"
    & skf18("10","3","8","8","7","3","1") = "9"
    & skf18("10","3","8","8","7","4","1") = "9"
    & skf18("10","3","8","8","7","5","1") = "9"
    & skf18("10","3","8","8","7","6","1") = "9"
    & skf18("10","3","8","8","7","7","1") = "9"
    & skf18("10","3","8","8","7","8","1") = "9"
    & skf18("10","3","8","8","7","9","1") = "9"
    & skf18("10","3","8","8","7","10","1") = "9"
    & skf18("10","3","8","8","8","1","1") = "9"
    & skf18("10","3","8","8","8","2","1") = "9"
    & skf18("10","3","8","8","8","3","1") = "9"
    & skf18("10","3","8","8","8","4","1") = "9"
    & skf18("10","3","8","8","8","5","1") = "9"
    & skf18("10","3","8","8","8","6","1") = "9"
    & skf18("10","3","8","8","8","7","1") = "9"
    & skf18("10","3","8","8","8","8","1") = "9"
    & skf18("10","3","8","8","8","9","1") = "9"
    & skf18("10","3","8","8","8","10","1") = "9"
    & skf18("10","3","8","8","9","1","1") = "9"
    & skf18("10","3","8","8","9","2","1") = "9"
    & skf18("10","3","8","8","9","3","1") = "9"
    & skf18("10","3","8","8","9","4","1") = "9"
    & skf18("10","3","8","8","9","5","1") = "9"
    & skf18("10","3","8","8","9","6","1") = "9"
    & skf18("10","3","8","8","9","7","1") = "9"
    & skf18("10","3","8","8","9","8","1") = "9"
    & skf18("10","3","8","8","9","9","1") = "9"
    & skf18("10","3","8","8","9","10","1") = "9"
    & skf18("10","3","8","8","10","1","1") = "9"
    & skf18("10","3","8","8","10","2","1") = "9"
    & skf18("10","3","8","8","10","3","1") = "9"
    & skf18("10","3","8","8","10","4","1") = "9"
    & skf18("10","3","8","8","10","5","1") = "9"
    & skf18("10","3","8","8","10","6","1") = "9"
    & skf18("10","3","8","8","10","7","1") = "9"
    & skf18("10","3","8","8","10","8","1") = "9"
    & skf18("10","3","8","8","10","9","1") = "9"
    & skf18("10","3","8","8","10","10","1") = "9"
    & skf18("10","3","8","9","1","1","1") = "9"
    & skf18("10","3","8","9","1","2","1") = "9"
    & skf18("10","3","8","9","1","3","1") = "9"
    & skf18("10","3","8","9","1","4","1") = "9"
    & skf18("10","3","8","9","1","5","1") = "9"
    & skf18("10","3","8","9","1","6","1") = "9"
    & skf18("10","3","8","9","1","7","1") = "9"
    & skf18("10","3","8","9","1","8","1") = "9"
    & skf18("10","3","8","9","1","9","1") = "9"
    & skf18("10","3","8","9","1","10","1") = "9"
    & skf18("10","3","8","9","2","1","1") = "9"
    & skf18("10","3","8","9","2","2","1") = "9"
    & skf18("10","3","8","9","2","3","1") = "9"
    & skf18("10","3","8","9","2","4","1") = "9"
    & skf18("10","3","8","9","2","5","1") = "9"
    & skf18("10","3","8","9","2","6","1") = "9"
    & skf18("10","3","8","9","2","7","1") = "9"
    & skf18("10","3","8","9","2","8","1") = "9"
    & skf18("10","3","8","9","2","9","1") = "9"
    & skf18("10","3","8","9","2","10","1") = "9"
    & skf18("10","3","8","9","3","1","1") = "9"
    & skf18("10","3","8","9","3","2","1") = "9"
    & skf18("10","3","8","9","3","3","1") = "9"
    & skf18("10","3","8","9","3","4","1") = "9"
    & skf18("10","3","8","9","3","5","1") = "9"
    & skf18("10","3","8","9","3","6","1") = "9"
    & skf18("10","3","8","9","3","7","1") = "9"
    & skf18("10","3","8","9","3","8","1") = "9"
    & skf18("10","3","8","9","3","9","1") = "9"
    & skf18("10","3","8","9","3","10","1") = "9"
    & skf18("10","3","8","9","4","1","1") = "9"
    & skf18("10","3","8","9","4","2","1") = "9"
    & skf18("10","3","8","9","4","3","1") = "9"
    & skf18("10","3","8","9","4","4","1") = "9"
    & skf18("10","3","8","9","4","5","1") = "9"
    & skf18("10","3","8","9","4","6","1") = "9"
    & skf18("10","3","8","9","4","7","1") = "9"
    & skf18("10","3","8","9","4","8","1") = "9"
    & skf18("10","3","8","9","4","9","1") = "9"
    & skf18("10","3","8","9","4","10","1") = "9"
    & skf18("10","3","8","9","5","1","1") = "9"
    & skf18("10","3","8","9","5","2","1") = "9"
    & skf18("10","3","8","9","5","3","1") = "9"
    & skf18("10","3","8","9","5","4","1") = "9"
    & skf18("10","3","8","9","5","5","1") = "9"
    & skf18("10","3","8","9","5","6","1") = "9"
    & skf18("10","3","8","9","5","7","1") = "9"
    & skf18("10","3","8","9","5","8","1") = "9"
    & skf18("10","3","8","9","5","9","1") = "9"
    & skf18("10","3","8","9","5","10","1") = "9"
    & skf18("10","3","8","9","6","1","1") = "9"
    & skf18("10","3","8","9","6","2","1") = "9"
    & skf18("10","3","8","9","6","3","1") = "9"
    & skf18("10","3","8","9","6","4","1") = "9"
    & skf18("10","3","8","9","6","5","1") = "9"
    & skf18("10","3","8","9","6","6","1") = "9"
    & skf18("10","3","8","9","6","7","1") = "9"
    & skf18("10","3","8","9","6","8","1") = "9"
    & skf18("10","3","8","9","6","9","1") = "9"
    & skf18("10","3","8","9","6","10","1") = "9"
    & skf18("10","3","8","9","7","1","1") = "9"
    & skf18("10","3","8","9","7","2","1") = "9"
    & skf18("10","3","8","9","7","3","1") = "9"
    & skf18("10","3","8","9","7","4","1") = "9"
    & skf18("10","3","8","9","7","5","1") = "9"
    & skf18("10","3","8","9","7","6","1") = "9"
    & skf18("10","3","8","9","7","7","1") = "9"
    & skf18("10","3","8","9","7","8","1") = "9"
    & skf18("10","3","8","9","7","9","1") = "9"
    & skf18("10","3","8","9","7","10","1") = "9"
    & skf18("10","3","8","9","8","1","1") = "9"
    & skf18("10","3","8","9","8","2","1") = "9"
    & skf18("10","3","8","9","8","3","1") = "9"
    & skf18("10","3","8","9","8","4","1") = "9"
    & skf18("10","3","8","9","8","5","1") = "9"
    & skf18("10","3","8","9","8","6","1") = "9"
    & skf18("10","3","8","9","8","7","1") = "9"
    & skf18("10","3","8","9","8","8","1") = "9"
    & skf18("10","3","8","9","8","9","1") = "9"
    & skf18("10","3","8","9","8","10","1") = "9"
    & skf18("10","3","8","9","9","1","1") = "9"
    & skf18("10","3","8","9","9","2","1") = "9"
    & skf18("10","3","8","9","9","3","1") = "9"
    & skf18("10","3","8","9","9","4","1") = "9"
    & skf18("10","3","8","9","9","5","1") = "9"
    & skf18("10","3","8","9","9","6","1") = "9"
    & skf18("10","3","8","9","9","7","1") = "9"
    & skf18("10","3","8","9","9","8","1") = "9"
    & skf18("10","3","8","9","9","9","1") = "9"
    & skf18("10","3","8","9","9","10","1") = "9"
    & skf18("10","3","8","9","10","1","1") = "9"
    & skf18("10","3","8","9","10","2","1") = "9"
    & skf18("10","3","8","9","10","3","1") = "9"
    & skf18("10","3","8","9","10","4","1") = "9"
    & skf18("10","3","8","9","10","5","1") = "9"
    & skf18("10","3","8","9","10","6","1") = "9"
    & skf18("10","3","8","9","10","7","1") = "9"
    & skf18("10","3","8","9","10","8","1") = "9"
    & skf18("10","3","8","9","10","9","1") = "9"
    & skf18("10","3","8","9","10","10","1") = "9"
    & skf18("10","3","8","10","1","1","1") = "9"
    & skf18("10","3","8","10","1","2","1") = "9"
    & skf18("10","3","8","10","1","3","1") = "9"
    & skf18("10","3","8","10","1","4","1") = "9"
    & skf18("10","3","8","10","1","5","1") = "9"
    & skf18("10","3","8","10","1","6","1") = "9"
    & skf18("10","3","8","10","1","7","1") = "9"
    & skf18("10","3","8","10","1","8","1") = "9"
    & skf18("10","3","8","10","1","9","1") = "9"
    & skf18("10","3","8","10","1","10","1") = "9"
    & skf18("10","3","8","10","2","1","1") = "9"
    & skf18("10","3","8","10","2","2","1") = "9"
    & skf18("10","3","8","10","2","3","1") = "9"
    & skf18("10","3","8","10","2","4","1") = "9"
    & skf18("10","3","8","10","2","5","1") = "9"
    & skf18("10","3","8","10","2","6","1") = "9"
    & skf18("10","3","8","10","2","7","1") = "9"
    & skf18("10","3","8","10","2","8","1") = "9"
    & skf18("10","3","8","10","2","9","1") = "9"
    & skf18("10","3","8","10","2","10","1") = "9"
    & skf18("10","3","8","10","3","1","1") = "9"
    & skf18("10","3","8","10","3","2","1") = "9"
    & skf18("10","3","8","10","3","3","1") = "9"
    & skf18("10","3","8","10","3","4","1") = "9"
    & skf18("10","3","8","10","3","5","1") = "9"
    & skf18("10","3","8","10","3","6","1") = "9"
    & skf18("10","3","8","10","3","7","1") = "9"
    & skf18("10","3","8","10","3","8","1") = "9"
    & skf18("10","3","8","10","3","9","1") = "9"
    & skf18("10","3","8","10","3","10","1") = "9"
    & skf18("10","3","8","10","4","1","1") = "9"
    & skf18("10","3","8","10","4","2","1") = "9"
    & skf18("10","3","8","10","4","3","1") = "9"
    & skf18("10","3","8","10","4","4","1") = "9"
    & skf18("10","3","8","10","4","5","1") = "9"
    & skf18("10","3","8","10","4","6","1") = "9"
    & skf18("10","3","8","10","4","7","1") = "9"
    & skf18("10","3","8","10","4","8","1") = "9"
    & skf18("10","3","8","10","4","9","1") = "9"
    & skf18("10","3","8","10","4","10","1") = "9"
    & skf18("10","3","8","10","5","1","1") = "9"
    & skf18("10","3","8","10","5","2","1") = "9"
    & skf18("10","3","8","10","5","3","1") = "9"
    & skf18("10","3","8","10","5","4","1") = "9"
    & skf18("10","3","8","10","5","5","1") = "9"
    & skf18("10","3","8","10","5","6","1") = "9"
    & skf18("10","3","8","10","5","7","1") = "9"
    & skf18("10","3","8","10","5","8","1") = "9"
    & skf18("10","3","8","10","5","9","1") = "9"
    & skf18("10","3","8","10","5","10","1") = "9"
    & skf18("10","3","8","10","6","1","1") = "9"
    & skf18("10","3","8","10","6","2","1") = "9"
    & skf18("10","3","8","10","6","3","1") = "9"
    & skf18("10","3","8","10","6","4","1") = "9"
    & skf18("10","3","8","10","6","5","1") = "9"
    & skf18("10","3","8","10","6","6","1") = "9"
    & skf18("10","3","8","10","6","7","1") = "9"
    & skf18("10","3","8","10","6","8","1") = "9"
    & skf18("10","3","8","10","6","9","1") = "9"
    & skf18("10","3","8","10","6","10","1") = "9"
    & skf18("10","3","8","10","7","1","1") = "9"
    & skf18("10","3","8","10","7","2","1") = "9"
    & skf18("10","3","8","10","7","3","1") = "9"
    & skf18("10","3","8","10","7","4","1") = "9"
    & skf18("10","3","8","10","7","5","1") = "9"
    & skf18("10","3","8","10","7","6","1") = "9"
    & skf18("10","3","8","10","7","7","1") = "9"
    & skf18("10","3","8","10","7","8","1") = "9"
    & skf18("10","3","8","10","7","9","1") = "9"
    & skf18("10","3","8","10","7","10","1") = "9"
    & skf18("10","3","8","10","8","1","1") = "9"
    & skf18("10","3","8","10","8","2","1") = "9"
    & skf18("10","3","8","10","8","3","1") = "9"
    & skf18("10","3","8","10","8","4","1") = "9"
    & skf18("10","3","8","10","8","5","1") = "9"
    & skf18("10","3","8","10","8","6","1") = "9"
    & skf18("10","3","8","10","8","7","1") = "9"
    & skf18("10","3","8","10","8","8","1") = "9"
    & skf18("10","3","8","10","8","9","1") = "9"
    & skf18("10","3","8","10","8","10","1") = "9"
    & skf18("10","3","8","10","9","1","1") = "9"
    & skf18("10","3","8","10","9","2","1") = "9"
    & skf18("10","3","8","10","9","3","1") = "9"
    & skf18("10","3","8","10","9","4","1") = "9"
    & skf18("10","3","8","10","9","5","1") = "9"
    & skf18("10","3","8","10","9","6","1") = "9"
    & skf18("10","3","8","10","9","7","1") = "9"
    & skf18("10","3","8","10","9","8","1") = "9"
    & skf18("10","3","8","10","9","9","1") = "9"
    & skf18("10","3","8","10","9","10","1") = "9"
    & skf18("10","3","8","10","10","1","1") = "9"
    & skf18("10","3","8","10","10","2","1") = "9"
    & skf18("10","3","8","10","10","3","1") = "9"
    & skf18("10","3","8","10","10","4","1") = "9"
    & skf18("10","3","8","10","10","5","1") = "9"
    & skf18("10","3","8","10","10","6","1") = "9"
    & skf18("10","3","8","10","10","7","1") = "9"
    & skf18("10","3","8","10","10","8","1") = "9"
    & skf18("10","3","8","10","10","9","1") = "9"
    & skf18("10","3","8","10","10","10","1") = "9"
    & skf18("10","3","9","1","1","1","1") = "9"
    & skf18("10","3","9","1","1","2","1") = "9"
    & skf18("10","3","9","1","1","3","1") = "9"
    & skf18("10","3","9","1","1","4","1") = "9"
    & skf18("10","3","9","1","1","5","1") = "9"
    & skf18("10","3","9","1","1","6","1") = "9"
    & skf18("10","3","9","1","1","7","1") = "9"
    & skf18("10","3","9","1","1","8","1") = "9"
    & skf18("10","3","9","1","1","9","1") = "9"
    & skf18("10","3","9","1","1","10","1") = "9"
    & skf18("10","3","9","1","2","1","1") = "9"
    & skf18("10","3","9","1","2","2","1") = "9"
    & skf18("10","3","9","1","2","3","1") = "9"
    & skf18("10","3","9","1","2","4","1") = "9"
    & skf18("10","3","9","1","2","5","1") = "9"
    & skf18("10","3","9","1","2","6","1") = "9"
    & skf18("10","3","9","1","2","7","1") = "9"
    & skf18("10","3","9","1","2","8","1") = "9"
    & skf18("10","3","9","1","2","9","1") = "9"
    & skf18("10","3","9","1","2","10","1") = "9"
    & skf18("10","3","9","1","3","1","1") = "9"
    & skf18("10","3","9","1","3","2","1") = "9"
    & skf18("10","3","9","1","3","3","1") = "9"
    & skf18("10","3","9","1","3","4","1") = "9"
    & skf18("10","3","9","1","3","5","1") = "9"
    & skf18("10","3","9","1","3","6","1") = "9"
    & skf18("10","3","9","1","3","7","1") = "9"
    & skf18("10","3","9","1","3","8","1") = "9"
    & skf18("10","3","9","1","3","9","1") = "9"
    & skf18("10","3","9","1","3","10","1") = "9"
    & skf18("10","3","9","1","4","1","1") = "9"
    & skf18("10","3","9","1","4","2","1") = "9"
    & skf18("10","3","9","1","4","3","1") = "9"
    & skf18("10","3","9","1","4","4","1") = "9"
    & skf18("10","3","9","1","4","5","1") = "9"
    & skf18("10","3","9","1","4","6","1") = "9"
    & skf18("10","3","9","1","4","7","1") = "9"
    & skf18("10","3","9","1","4","8","1") = "9"
    & skf18("10","3","9","1","4","9","1") = "9"
    & skf18("10","3","9","1","4","10","1") = "9"
    & skf18("10","3","9","1","5","1","1") = "9"
    & skf18("10","3","9","1","5","2","1") = "9"
    & skf18("10","3","9","1","5","3","1") = "9"
    & skf18("10","3","9","1","5","4","1") = "9"
    & skf18("10","3","9","1","5","5","1") = "9"
    & skf18("10","3","9","1","5","6","1") = "9"
    & skf18("10","3","9","1","5","7","1") = "9"
    & skf18("10","3","9","1","5","8","1") = "9"
    & skf18("10","3","9","1","5","9","1") = "9"
    & skf18("10","3","9","1","5","10","1") = "9"
    & skf18("10","3","9","1","6","1","1") = "9"
    & skf18("10","3","9","1","6","2","1") = "9"
    & skf18("10","3","9","1","6","3","1") = "9"
    & skf18("10","3","9","1","6","4","1") = "9"
    & skf18("10","3","9","1","6","5","1") = "9"
    & skf18("10","3","9","1","6","6","1") = "9"
    & skf18("10","3","9","1","6","7","1") = "9"
    & skf18("10","3","9","1","6","8","1") = "9"
    & skf18("10","3","9","1","6","9","1") = "9"
    & skf18("10","3","9","1","6","10","1") = "9"
    & skf18("10","3","9","1","7","1","1") = "9"
    & skf18("10","3","9","1","7","2","1") = "9"
    & skf18("10","3","9","1","7","3","1") = "9"
    & skf18("10","3","9","1","7","4","1") = "9"
    & skf18("10","3","9","1","7","5","1") = "9"
    & skf18("10","3","9","1","7","6","1") = "9"
    & skf18("10","3","9","1","7","7","1") = "9"
    & skf18("10","3","9","1","7","8","1") = "9"
    & skf18("10","3","9","1","7","9","1") = "9"
    & skf18("10","3","9","1","7","10","1") = "9"
    & skf18("10","3","9","1","8","1","1") = "9"
    & skf18("10","3","9","1","8","2","1") = "9"
    & skf18("10","3","9","1","8","3","1") = "9"
    & skf18("10","3","9","1","8","4","1") = "9"
    & skf18("10","3","9","1","8","5","1") = "9"
    & skf18("10","3","9","1","8","6","1") = "9"
    & skf18("10","3","9","1","8","7","1") = "9"
    & skf18("10","3","9","1","8","8","1") = "9"
    & skf18("10","3","9","1","8","9","1") = "9"
    & skf18("10","3","9","1","8","10","1") = "9"
    & skf18("10","3","9","1","9","1","1") = "9"
    & skf18("10","3","9","1","9","2","1") = "9"
    & skf18("10","3","9","1","9","3","1") = "9"
    & skf18("10","3","9","1","9","4","1") = "9"
    & skf18("10","3","9","1","9","5","1") = "9"
    & skf18("10","3","9","1","9","6","1") = "9"
    & skf18("10","3","9","1","9","7","1") = "9"
    & skf18("10","3","9","1","9","8","1") = "9"
    & skf18("10","3","9","1","9","9","1") = "9"
    & skf18("10","3","9","1","9","10","1") = "9"
    & skf18("10","3","9","1","10","1","1") = "9"
    & skf18("10","3","9","1","10","2","1") = "9"
    & skf18("10","3","9","1","10","3","1") = "9"
    & skf18("10","3","9","1","10","4","1") = "9"
    & skf18("10","3","9","1","10","5","1") = "9"
    & skf18("10","3","9","1","10","6","1") = "9"
    & skf18("10","3","9","1","10","7","1") = "9"
    & skf18("10","3","9","1","10","8","1") = "9"
    & skf18("10","3","9","1","10","9","1") = "9"
    & skf18("10","3","9","1","10","10","1") = "9"
    & skf18("10","3","9","2","1","1","1") = "9"
    & skf18("10","3","9","2","1","2","1") = "9"
    & skf18("10","3","9","2","1","3","1") = "9"
    & skf18("10","3","9","2","1","4","1") = "9"
    & skf18("10","3","9","2","1","5","1") = "9"
    & skf18("10","3","9","2","1","6","1") = "9"
    & skf18("10","3","9","2","1","7","1") = "9"
    & skf18("10","3","9","2","1","8","1") = "9"
    & skf18("10","3","9","2","1","9","1") = "9"
    & skf18("10","3","9","2","1","10","1") = "9"
    & skf18("10","3","9","2","2","1","1") = "9"
    & skf18("10","3","9","2","2","2","1") = "9"
    & skf18("10","3","9","2","2","3","1") = "9"
    & skf18("10","3","9","2","2","4","1") = "9"
    & skf18("10","3","9","2","2","5","1") = "9"
    & skf18("10","3","9","2","2","6","1") = "9"
    & skf18("10","3","9","2","2","7","1") = "9"
    & skf18("10","3","9","2","2","8","1") = "9"
    & skf18("10","3","9","2","2","9","1") = "9"
    & skf18("10","3","9","2","2","10","1") = "9"
    & skf18("10","3","9","2","3","1","1") = "9"
    & skf18("10","3","9","2","3","2","1") = "9"
    & skf18("10","3","9","2","3","3","1") = "9"
    & skf18("10","3","9","2","3","4","1") = "9"
    & skf18("10","3","9","2","3","5","1") = "9"
    & skf18("10","3","9","2","3","6","1") = "9"
    & skf18("10","3","9","2","3","7","1") = "9"
    & skf18("10","3","9","2","3","8","1") = "9"
    & skf18("10","3","9","2","3","9","1") = "9"
    & skf18("10","3","9","2","3","10","1") = "9"
    & skf18("10","3","9","2","4","1","1") = "9"
    & skf18("10","3","9","2","4","2","1") = "9"
    & skf18("10","3","9","2","4","3","1") = "9"
    & skf18("10","3","9","2","4","4","1") = "9"
    & skf18("10","3","9","2","4","5","1") = "9"
    & skf18("10","3","9","2","4","6","1") = "9"
    & skf18("10","3","9","2","4","7","1") = "9"
    & skf18("10","3","9","2","4","8","1") = "9"
    & skf18("10","3","9","2","4","9","1") = "9"
    & skf18("10","3","9","2","4","10","1") = "9"
    & skf18("10","3","9","2","5","1","1") = "9"
    & skf18("10","3","9","2","5","2","1") = "9"
    & skf18("10","3","9","2","5","3","1") = "9"
    & skf18("10","3","9","2","5","4","1") = "9"
    & skf18("10","3","9","2","5","5","1") = "9"
    & skf18("10","3","9","2","5","6","1") = "9"
    & skf18("10","3","9","2","5","7","1") = "9"
    & skf18("10","3","9","2","5","8","1") = "9"
    & skf18("10","3","9","2","5","9","1") = "9"
    & skf18("10","3","9","2","5","10","1") = "9"
    & skf18("10","3","9","2","6","1","1") = "9"
    & skf18("10","3","9","2","6","2","1") = "9"
    & skf18("10","3","9","2","6","3","1") = "9"
    & skf18("10","3","9","2","6","4","1") = "9"
    & skf18("10","3","9","2","6","5","1") = "9"
    & skf18("10","3","9","2","6","6","1") = "9"
    & skf18("10","3","9","2","6","7","1") = "9"
    & skf18("10","3","9","2","6","8","1") = "9"
    & skf18("10","3","9","2","6","9","1") = "9"
    & skf18("10","3","9","2","6","10","1") = "9"
    & skf18("10","3","9","2","7","1","1") = "9"
    & skf18("10","3","9","2","7","2","1") = "9"
    & skf18("10","3","9","2","7","3","1") = "9"
    & skf18("10","3","9","2","7","4","1") = "9"
    & skf18("10","3","9","2","7","5","1") = "9"
    & skf18("10","3","9","2","7","6","1") = "9"
    & skf18("10","3","9","2","7","7","1") = "9"
    & skf18("10","3","9","2","7","8","1") = "9"
    & skf18("10","3","9","2","7","9","1") = "9"
    & skf18("10","3","9","2","7","10","1") = "9"
    & skf18("10","3","9","2","8","1","1") = "9"
    & skf18("10","3","9","2","8","2","1") = "9"
    & skf18("10","3","9","2","8","3","1") = "9"
    & skf18("10","3","9","2","8","4","1") = "9"
    & skf18("10","3","9","2","8","5","1") = "9"
    & skf18("10","3","9","2","8","6","1") = "9"
    & skf18("10","3","9","2","8","7","1") = "9"
    & skf18("10","3","9","2","8","8","1") = "9"
    & skf18("10","3","9","2","8","9","1") = "9"
    & skf18("10","3","9","2","8","10","1") = "9"
    & skf18("10","3","9","2","9","1","1") = "9"
    & skf18("10","3","9","2","9","2","1") = "9"
    & skf18("10","3","9","2","9","3","1") = "9"
    & skf18("10","3","9","2","9","4","1") = "9"
    & skf18("10","3","9","2","9","5","1") = "9"
    & skf18("10","3","9","2","9","6","1") = "9"
    & skf18("10","3","9","2","9","7","1") = "9"
    & skf18("10","3","9","2","9","8","1") = "9"
    & skf18("10","3","9","2","9","9","1") = "9"
    & skf18("10","3","9","2","9","10","1") = "9"
    & skf18("10","3","9","2","10","1","1") = "9"
    & skf18("10","3","9","2","10","2","1") = "9"
    & skf18("10","3","9","2","10","3","1") = "9"
    & skf18("10","3","9","2","10","4","1") = "9"
    & skf18("10","3","9","2","10","5","1") = "9"
    & skf18("10","3","9","2","10","6","1") = "9"
    & skf18("10","3","9","2","10","7","1") = "9"
    & skf18("10","3","9","2","10","8","1") = "9"
    & skf18("10","3","9","2","10","9","1") = "9"
    & skf18("10","3","9","2","10","10","1") = "9"
    & skf18("10","3","9","3","1","1","1") = "9"
    & skf18("10","3","9","3","1","2","1") = "9"
    & skf18("10","3","9","3","1","3","1") = "9"
    & skf18("10","3","9","3","1","4","1") = "9"
    & skf18("10","3","9","3","1","5","1") = "9"
    & skf18("10","3","9","3","1","6","1") = "9"
    & skf18("10","3","9","3","1","7","1") = "9"
    & skf18("10","3","9","3","1","8","1") = "9"
    & skf18("10","3","9","3","1","9","1") = "9"
    & skf18("10","3","9","3","1","10","1") = "9"
    & skf18("10","3","9","3","2","1","1") = "9"
    & skf18("10","3","9","3","2","2","1") = "9"
    & skf18("10","3","9","3","2","3","1") = "9"
    & skf18("10","3","9","3","2","4","1") = "9"
    & skf18("10","3","9","3","2","5","1") = "9"
    & skf18("10","3","9","3","2","6","1") = "9"
    & skf18("10","3","9","3","2","7","1") = "9"
    & skf18("10","3","9","3","2","8","1") = "9"
    & skf18("10","3","9","3","2","9","1") = "9"
    & skf18("10","3","9","3","2","10","1") = "9"
    & skf18("10","3","9","3","3","1","1") = "9"
    & skf18("10","3","9","3","3","2","1") = "9"
    & skf18("10","3","9","3","3","3","1") = "9"
    & skf18("10","3","9","3","3","4","1") = "9"
    & skf18("10","3","9","3","3","5","1") = "9"
    & skf18("10","3","9","3","3","6","1") = "9"
    & skf18("10","3","9","3","3","7","1") = "9"
    & skf18("10","3","9","3","3","8","1") = "9"
    & skf18("10","3","9","3","3","9","1") = "9"
    & skf18("10","3","9","3","3","10","1") = "9"
    & skf18("10","3","9","3","4","1","1") = "9"
    & skf18("10","3","9","3","4","2","1") = "9"
    & skf18("10","3","9","3","4","3","1") = "9"
    & skf18("10","3","9","3","4","4","1") = "9"
    & skf18("10","3","9","3","4","5","1") = "9"
    & skf18("10","3","9","3","4","6","1") = "9"
    & skf18("10","3","9","3","4","7","1") = "9"
    & skf18("10","3","9","3","4","8","1") = "9"
    & skf18("10","3","9","3","4","9","1") = "9"
    & skf18("10","3","9","3","4","10","1") = "9"
    & skf18("10","3","9","3","5","1","1") = "9"
    & skf18("10","3","9","3","5","2","1") = "9"
    & skf18("10","3","9","3","5","3","1") = "9"
    & skf18("10","3","9","3","5","4","1") = "9"
    & skf18("10","3","9","3","5","5","1") = "9"
    & skf18("10","3","9","3","5","6","1") = "9"
    & skf18("10","3","9","3","5","7","1") = "9"
    & skf18("10","3","9","3","5","8","1") = "9"
    & skf18("10","3","9","3","5","9","1") = "9"
    & skf18("10","3","9","3","5","10","1") = "9"
    & skf18("10","3","9","3","6","1","1") = "9"
    & skf18("10","3","9","3","6","2","1") = "9"
    & skf18("10","3","9","3","6","3","1") = "9"
    & skf18("10","3","9","3","6","4","1") = "9"
    & skf18("10","3","9","3","6","5","1") = "9"
    & skf18("10","3","9","3","6","6","1") = "9"
    & skf18("10","3","9","3","6","7","1") = "9"
    & skf18("10","3","9","3","6","8","1") = "9"
    & skf18("10","3","9","3","6","9","1") = "9"
    & skf18("10","3","9","3","6","10","1") = "9"
    & skf18("10","3","9","3","7","1","1") = "9"
    & skf18("10","3","9","3","7","2","1") = "9"
    & skf18("10","3","9","3","7","3","1") = "9"
    & skf18("10","3","9","3","7","4","1") = "9"
    & skf18("10","3","9","3","7","5","1") = "9"
    & skf18("10","3","9","3","7","6","1") = "9"
    & skf18("10","3","9","3","7","7","1") = "9"
    & skf18("10","3","9","3","7","8","1") = "9"
    & skf18("10","3","9","3","7","9","1") = "9"
    & skf18("10","3","9","3","7","10","1") = "9"
    & skf18("10","3","9","3","8","1","1") = "9"
    & skf18("10","3","9","3","8","2","1") = "9"
    & skf18("10","3","9","3","8","3","1") = "9"
    & skf18("10","3","9","3","8","4","1") = "9"
    & skf18("10","3","9","3","8","5","1") = "9"
    & skf18("10","3","9","3","8","6","1") = "9"
    & skf18("10","3","9","3","8","7","1") = "9"
    & skf18("10","3","9","3","8","8","1") = "9"
    & skf18("10","3","9","3","8","9","1") = "9"
    & skf18("10","3","9","3","8","10","1") = "9"
    & skf18("10","3","9","3","9","1","1") = "9"
    & skf18("10","3","9","3","9","2","1") = "9"
    & skf18("10","3","9","3","9","3","1") = "9"
    & skf18("10","3","9","3","9","4","1") = "9"
    & skf18("10","3","9","3","9","5","1") = "9"
    & skf18("10","3","9","3","9","6","1") = "9"
    & skf18("10","3","9","3","9","7","1") = "9"
    & skf18("10","3","9","3","9","8","1") = "9"
    & skf18("10","3","9","3","9","9","1") = "9"
    & skf18("10","3","9","3","9","10","1") = "9"
    & skf18("10","3","9","3","10","1","1") = "9"
    & skf18("10","3","9","3","10","2","1") = "9"
    & skf18("10","3","9","3","10","3","1") = "9"
    & skf18("10","3","9","3","10","4","1") = "9"
    & skf18("10","3","9","3","10","5","1") = "9"
    & skf18("10","3","9","3","10","6","1") = "9"
    & skf18("10","3","9","3","10","7","1") = "9"
    & skf18("10","3","9","3","10","8","1") = "9"
    & skf18("10","3","9","3","10","9","1") = "9"
    & skf18("10","3","9","3","10","10","1") = "9"
    & skf18("10","3","9","4","1","1","1") = "9"
    & skf18("10","3","9","4","1","2","1") = "9"
    & skf18("10","3","9","4","1","3","1") = "9"
    & skf18("10","3","9","4","1","4","1") = "9"
    & skf18("10","3","9","4","1","5","1") = "9"
    & skf18("10","3","9","4","1","6","1") = "9"
    & skf18("10","3","9","4","1","7","1") = "9"
    & skf18("10","3","9","4","1","8","1") = "9"
    & skf18("10","3","9","4","1","9","1") = "9"
    & skf18("10","3","9","4","1","10","1") = "9"
    & skf18("10","3","9","4","2","1","1") = "9"
    & skf18("10","3","9","4","2","2","1") = "9"
    & skf18("10","3","9","4","2","3","1") = "9"
    & skf18("10","3","9","4","2","4","1") = "9"
    & skf18("10","3","9","4","2","5","1") = "9"
    & skf18("10","3","9","4","2","6","1") = "9"
    & skf18("10","3","9","4","2","7","1") = "9"
    & skf18("10","3","9","4","2","8","1") = "9"
    & skf18("10","3","9","4","2","9","1") = "9"
    & skf18("10","3","9","4","2","10","1") = "9"
    & skf18("10","3","9","4","3","1","1") = "9"
    & skf18("10","3","9","4","3","2","1") = "9"
    & skf18("10","3","9","4","3","3","1") = "9"
    & skf18("10","3","9","4","3","4","1") = "9"
    & skf18("10","3","9","4","3","5","1") = "9"
    & skf18("10","3","9","4","3","6","1") = "9"
    & skf18("10","3","9","4","3","7","1") = "9"
    & skf18("10","3","9","4","3","8","1") = "9"
    & skf18("10","3","9","4","3","9","1") = "9"
    & skf18("10","3","9","4","3","10","1") = "9"
    & skf18("10","3","9","4","4","1","1") = "9"
    & skf18("10","3","9","4","4","2","1") = "9"
    & skf18("10","3","9","4","4","3","1") = "9"
    & skf18("10","3","9","4","4","4","1") = "9"
    & skf18("10","3","9","4","4","5","1") = "9"
    & skf18("10","3","9","4","4","6","1") = "9"
    & skf18("10","3","9","4","4","7","1") = "9"
    & skf18("10","3","9","4","4","8","1") = "9"
    & skf18("10","3","9","4","4","9","1") = "9"
    & skf18("10","3","9","4","4","10","1") = "9"
    & skf18("10","3","9","4","5","1","1") = "9"
    & skf18("10","3","9","4","5","2","1") = "9"
    & skf18("10","3","9","4","5","3","1") = "9"
    & skf18("10","3","9","4","5","4","1") = "9"
    & skf18("10","3","9","4","5","5","1") = "9"
    & skf18("10","3","9","4","5","6","1") = "9"
    & skf18("10","3","9","4","5","7","1") = "9"
    & skf18("10","3","9","4","5","8","1") = "9"
    & skf18("10","3","9","4","5","9","1") = "9"
    & skf18("10","3","9","4","5","10","1") = "9"
    & skf18("10","3","9","4","6","1","1") = "9"
    & skf18("10","3","9","4","6","2","1") = "9"
    & skf18("10","3","9","4","6","3","1") = "9"
    & skf18("10","3","9","4","6","4","1") = "9"
    & skf18("10","3","9","4","6","5","1") = "9"
    & skf18("10","3","9","4","6","6","1") = "9"
    & skf18("10","3","9","4","6","7","1") = "9"
    & skf18("10","3","9","4","6","8","1") = "9"
    & skf18("10","3","9","4","6","9","1") = "9"
    & skf18("10","3","9","4","6","10","1") = "9"
    & skf18("10","3","9","4","7","1","1") = "9"
    & skf18("10","3","9","4","7","2","1") = "9"
    & skf18("10","3","9","4","7","3","1") = "9"
    & skf18("10","3","9","4","7","4","1") = "9"
    & skf18("10","3","9","4","7","5","1") = "9"
    & skf18("10","3","9","4","7","6","1") = "9"
    & skf18("10","3","9","4","7","7","1") = "9"
    & skf18("10","3","9","4","7","8","1") = "9"
    & skf18("10","3","9","4","7","9","1") = "9"
    & skf18("10","3","9","4","7","10","1") = "9"
    & skf18("10","3","9","4","8","1","1") = "9"
    & skf18("10","3","9","4","8","2","1") = "9"
    & skf18("10","3","9","4","8","3","1") = "9"
    & skf18("10","3","9","4","8","4","1") = "9"
    & skf18("10","3","9","4","8","5","1") = "9"
    & skf18("10","3","9","4","8","6","1") = "9"
    & skf18("10","3","9","4","8","7","1") = "9"
    & skf18("10","3","9","4","8","8","1") = "9"
    & skf18("10","3","9","4","8","9","1") = "9"
    & skf18("10","3","9","4","8","10","1") = "9"
    & skf18("10","3","9","4","9","1","1") = "9"
    & skf18("10","3","9","4","9","2","1") = "9"
    & skf18("10","3","9","4","9","3","1") = "9"
    & skf18("10","3","9","4","9","4","1") = "9"
    & skf18("10","3","9","4","9","5","1") = "9"
    & skf18("10","3","9","4","9","6","1") = "9"
    & skf18("10","3","9","4","9","7","1") = "9"
    & skf18("10","3","9","4","9","8","1") = "9"
    & skf18("10","3","9","4","9","9","1") = "9"
    & skf18("10","3","9","4","9","10","1") = "9"
    & skf18("10","3","9","4","10","1","1") = "9"
    & skf18("10","3","9","4","10","2","1") = "9"
    & skf18("10","3","9","4","10","3","1") = "9"
    & skf18("10","3","9","4","10","4","1") = "9"
    & skf18("10","3","9","4","10","5","1") = "9"
    & skf18("10","3","9","4","10","6","1") = "9"
    & skf18("10","3","9","4","10","7","1") = "9"
    & skf18("10","3","9","4","10","8","1") = "9"
    & skf18("10","3","9","4","10","9","1") = "9"
    & skf18("10","3","9","4","10","10","1") = "9"
    & skf18("10","3","9","5","1","1","1") = "9"
    & skf18("10","3","9","5","1","2","1") = "9"
    & skf18("10","3","9","5","1","3","1") = "9"
    & skf18("10","3","9","5","1","4","1") = "9"
    & skf18("10","3","9","5","1","5","1") = "9"
    & skf18("10","3","9","5","1","6","1") = "9"
    & skf18("10","3","9","5","1","7","1") = "9"
    & skf18("10","3","9","5","1","8","1") = "9"
    & skf18("10","3","9","5","1","9","1") = "9"
    & skf18("10","3","9","5","1","10","1") = "9"
    & skf18("10","3","9","5","2","1","1") = "9"
    & skf18("10","3","9","5","2","2","1") = "9"
    & skf18("10","3","9","5","2","3","1") = "9"
    & skf18("10","3","9","5","2","4","1") = "9"
    & skf18("10","3","9","5","2","5","1") = "9"
    & skf18("10","3","9","5","2","6","1") = "9"
    & skf18("10","3","9","5","2","7","1") = "9"
    & skf18("10","3","9","5","2","8","1") = "9"
    & skf18("10","3","9","5","2","9","1") = "9"
    & skf18("10","3","9","5","2","10","1") = "9"
    & skf18("10","3","9","5","3","1","1") = "9"
    & skf18("10","3","9","5","3","2","1") = "9"
    & skf18("10","3","9","5","3","3","1") = "9"
    & skf18("10","3","9","5","3","4","1") = "9"
    & skf18("10","3","9","5","3","5","1") = "9"
    & skf18("10","3","9","5","3","6","1") = "9"
    & skf18("10","3","9","5","3","7","1") = "9"
    & skf18("10","3","9","5","3","8","1") = "9"
    & skf18("10","3","9","5","3","9","1") = "9"
    & skf18("10","3","9","5","3","10","1") = "9"
    & skf18("10","3","9","5","4","1","1") = "9"
    & skf18("10","3","9","5","4","2","1") = "9"
    & skf18("10","3","9","5","4","3","1") = "9"
    & skf18("10","3","9","5","4","4","1") = "9"
    & skf18("10","3","9","5","4","5","1") = "9"
    & skf18("10","3","9","5","4","6","1") = "9"
    & skf18("10","3","9","5","4","7","1") = "9"
    & skf18("10","3","9","5","4","8","1") = "9"
    & skf18("10","3","9","5","4","9","1") = "9"
    & skf18("10","3","9","5","4","10","1") = "9"
    & skf18("10","3","9","5","5","1","1") = "9"
    & skf18("10","3","9","5","5","2","1") = "9"
    & skf18("10","3","9","5","5","3","1") = "9"
    & skf18("10","3","9","5","5","4","1") = "9"
    & skf18("10","3","9","5","5","5","1") = "9"
    & skf18("10","3","9","5","5","6","1") = "9"
    & skf18("10","3","9","5","5","7","1") = "9"
    & skf18("10","3","9","5","5","8","1") = "9"
    & skf18("10","3","9","5","5","9","1") = "9"
    & skf18("10","3","9","5","5","10","1") = "9"
    & skf18("10","3","9","5","6","1","1") = "9"
    & skf18("10","3","9","5","6","2","1") = "9"
    & skf18("10","3","9","5","6","3","1") = "9"
    & skf18("10","3","9","5","6","4","1") = "9"
    & skf18("10","3","9","5","6","5","1") = "9"
    & skf18("10","3","9","5","6","6","1") = "9"
    & skf18("10","3","9","5","6","7","1") = "9"
    & skf18("10","3","9","5","6","8","1") = "9"
    & skf18("10","3","9","5","6","9","1") = "9"
    & skf18("10","3","9","5","6","10","1") = "9"
    & skf18("10","3","9","5","7","1","1") = "9"
    & skf18("10","3","9","5","7","2","1") = "9"
    & skf18("10","3","9","5","7","3","1") = "9"
    & skf18("10","3","9","5","7","4","1") = "9"
    & skf18("10","3","9","5","7","5","1") = "9"
    & skf18("10","3","9","5","7","6","1") = "9"
    & skf18("10","3","9","5","7","7","1") = "9"
    & skf18("10","3","9","5","7","8","1") = "9"
    & skf18("10","3","9","5","7","9","1") = "9"
    & skf18("10","3","9","5","7","10","1") = "9"
    & skf18("10","3","9","5","8","1","1") = "9"
    & skf18("10","3","9","5","8","2","1") = "9"
    & skf18("10","3","9","5","8","3","1") = "9"
    & skf18("10","3","9","5","8","4","1") = "9"
    & skf18("10","3","9","5","8","5","1") = "9"
    & skf18("10","3","9","5","8","6","1") = "9"
    & skf18("10","3","9","5","8","7","1") = "9"
    & skf18("10","3","9","5","8","8","1") = "9"
    & skf18("10","3","9","5","8","9","1") = "9"
    & skf18("10","3","9","5","8","10","1") = "9"
    & skf18("10","3","9","5","9","1","1") = "9"
    & skf18("10","3","9","5","9","2","1") = "9"
    & skf18("10","3","9","5","9","3","1") = "9"
    & skf18("10","3","9","5","9","4","1") = "9"
    & skf18("10","3","9","5","9","5","1") = "9"
    & skf18("10","3","9","5","9","6","1") = "9"
    & skf18("10","3","9","5","9","7","1") = "9"
    & skf18("10","3","9","5","9","8","1") = "9"
    & skf18("10","3","9","5","9","9","1") = "9"
    & skf18("10","3","9","5","9","10","1") = "9"
    & skf18("10","3","9","5","10","1","1") = "9"
    & skf18("10","3","9","5","10","2","1") = "9"
    & skf18("10","3","9","5","10","3","1") = "9"
    & skf18("10","3","9","5","10","4","1") = "9"
    & skf18("10","3","9","5","10","5","1") = "9"
    & skf18("10","3","9","5","10","6","1") = "9"
    & skf18("10","3","9","5","10","7","1") = "9"
    & skf18("10","3","9","5","10","8","1") = "9"
    & skf18("10","3","9","5","10","9","1") = "9"
    & skf18("10","3","9","5","10","10","1") = "9"
    & skf18("10","3","9","6","1","1","1") = "9"
    & skf18("10","3","9","6","1","2","1") = "9"
    & skf18("10","3","9","6","1","3","1") = "9"
    & skf18("10","3","9","6","1","4","1") = "9"
    & skf18("10","3","9","6","1","5","1") = "9"
    & skf18("10","3","9","6","1","6","1") = "9"
    & skf18("10","3","9","6","1","7","1") = "9"
    & skf18("10","3","9","6","1","8","1") = "9"
    & skf18("10","3","9","6","1","9","1") = "9"
    & skf18("10","3","9","6","1","10","1") = "9"
    & skf18("10","3","9","6","2","1","1") = "9"
    & skf18("10","3","9","6","2","2","1") = "9"
    & skf18("10","3","9","6","2","3","1") = "9"
    & skf18("10","3","9","6","2","4","1") = "9"
    & skf18("10","3","9","6","2","5","1") = "9"
    & skf18("10","3","9","6","2","6","1") = "9"
    & skf18("10","3","9","6","2","7","1") = "9"
    & skf18("10","3","9","6","2","8","1") = "9"
    & skf18("10","3","9","6","2","9","1") = "9"
    & skf18("10","3","9","6","2","10","1") = "9"
    & skf18("10","3","9","6","3","1","1") = "9"
    & skf18("10","3","9","6","3","2","1") = "9"
    & skf18("10","3","9","6","3","3","1") = "9"
    & skf18("10","3","9","6","3","4","1") = "9"
    & skf18("10","3","9","6","3","5","1") = "9"
    & skf18("10","3","9","6","3","6","1") = "9"
    & skf18("10","3","9","6","3","7","1") = "9"
    & skf18("10","3","9","6","3","8","1") = "9"
    & skf18("10","3","9","6","3","9","1") = "9"
    & skf18("10","3","9","6","3","10","1") = "9"
    & skf18("10","3","9","6","4","1","1") = "9"
    & skf18("10","3","9","6","4","2","1") = "9"
    & skf18("10","3","9","6","4","3","1") = "9"
    & skf18("10","3","9","6","4","4","1") = "9"
    & skf18("10","3","9","6","4","5","1") = "9"
    & skf18("10","3","9","6","4","6","1") = "9"
    & skf18("10","3","9","6","4","7","1") = "9"
    & skf18("10","3","9","6","4","8","1") = "9"
    & skf18("10","3","9","6","4","9","1") = "9"
    & skf18("10","3","9","6","4","10","1") = "9"
    & skf18("10","3","9","6","5","1","1") = "9"
    & skf18("10","3","9","6","5","2","1") = "9"
    & skf18("10","3","9","6","5","3","1") = "9"
    & skf18("10","3","9","6","5","4","1") = "9"
    & skf18("10","3","9","6","5","5","1") = "9"
    & skf18("10","3","9","6","5","6","1") = "9"
    & skf18("10","3","9","6","5","7","1") = "9"
    & skf18("10","3","9","6","5","8","1") = "9"
    & skf18("10","3","9","6","5","9","1") = "9"
    & skf18("10","3","9","6","5","10","1") = "9"
    & skf18("10","3","9","6","6","1","1") = "9"
    & skf18("10","3","9","6","6","2","1") = "9"
    & skf18("10","3","9","6","6","3","1") = "9"
    & skf18("10","3","9","6","6","4","1") = "9"
    & skf18("10","3","9","6","6","5","1") = "9"
    & skf18("10","3","9","6","6","6","1") = "9"
    & skf18("10","3","9","6","6","7","1") = "9"
    & skf18("10","3","9","6","6","8","1") = "9"
    & skf18("10","3","9","6","6","9","1") = "9"
    & skf18("10","3","9","6","6","10","1") = "9"
    & skf18("10","3","9","6","7","1","1") = "9"
    & skf18("10","3","9","6","7","2","1") = "9"
    & skf18("10","3","9","6","7","3","1") = "9"
    & skf18("10","3","9","6","7","4","1") = "9"
    & skf18("10","3","9","6","7","5","1") = "9"
    & skf18("10","3","9","6","7","6","1") = "9"
    & skf18("10","3","9","6","7","7","1") = "9"
    & skf18("10","3","9","6","7","8","1") = "9"
    & skf18("10","3","9","6","7","9","1") = "9"
    & skf18("10","3","9","6","7","10","1") = "9"
    & skf18("10","3","9","6","8","1","1") = "9"
    & skf18("10","3","9","6","8","2","1") = "9"
    & skf18("10","3","9","6","8","3","1") = "9"
    & skf18("10","3","9","6","8","4","1") = "9"
    & skf18("10","3","9","6","8","5","1") = "9"
    & skf18("10","3","9","6","8","6","1") = "9"
    & skf18("10","3","9","6","8","7","1") = "9"
    & skf18("10","3","9","6","8","8","1") = "9"
    & skf18("10","3","9","6","8","9","1") = "9"
    & skf18("10","3","9","6","8","10","1") = "9"
    & skf18("10","3","9","6","9","1","1") = "9"
    & skf18("10","3","9","6","9","2","1") = "9"
    & skf18("10","3","9","6","9","3","1") = "9"
    & skf18("10","3","9","6","9","4","1") = "9"
    & skf18("10","3","9","6","9","5","1") = "9"
    & skf18("10","3","9","6","9","6","1") = "9"
    & skf18("10","3","9","6","9","7","1") = "9"
    & skf18("10","3","9","6","9","8","1") = "9"
    & skf18("10","3","9","6","9","9","1") = "9"
    & skf18("10","3","9","6","9","10","1") = "9"
    & skf18("10","3","9","6","10","1","1") = "9"
    & skf18("10","3","9","6","10","2","1") = "9"
    & skf18("10","3","9","6","10","3","1") = "9"
    & skf18("10","3","9","6","10","4","1") = "9"
    & skf18("10","3","9","6","10","5","1") = "9"
    & skf18("10","3","9","6","10","6","1") = "9"
    & skf18("10","3","9","6","10","7","1") = "9"
    & skf18("10","3","9","6","10","8","1") = "9"
    & skf18("10","3","9","6","10","9","1") = "9"
    & skf18("10","3","9","6","10","10","1") = "9"
    & skf18("10","3","9","7","1","1","1") = "9"
    & skf18("10","3","9","7","1","2","1") = "9"
    & skf18("10","3","9","7","1","3","1") = "9"
    & skf18("10","3","9","7","1","4","1") = "9"
    & skf18("10","3","9","7","1","5","1") = "9"
    & skf18("10","3","9","7","1","6","1") = "9"
    & skf18("10","3","9","7","1","7","1") = "9"
    & skf18("10","3","9","7","1","8","1") = "9"
    & skf18("10","3","9","7","1","9","1") = "9"
    & skf18("10","3","9","7","1","10","1") = "9"
    & skf18("10","3","9","7","2","1","1") = "9"
    & skf18("10","3","9","7","2","2","1") = "9"
    & skf18("10","3","9","7","2","3","1") = "9"
    & skf18("10","3","9","7","2","4","1") = "9"
    & skf18("10","3","9","7","2","5","1") = "9"
    & skf18("10","3","9","7","2","6","1") = "9"
    & skf18("10","3","9","7","2","7","1") = "9"
    & skf18("10","3","9","7","2","8","1") = "9"
    & skf18("10","3","9","7","2","9","1") = "9"
    & skf18("10","3","9","7","2","10","1") = "9"
    & skf18("10","3","9","7","3","1","1") = "9"
    & skf18("10","3","9","7","3","2","1") = "9"
    & skf18("10","3","9","7","3","3","1") = "9"
    & skf18("10","3","9","7","3","4","1") = "9"
    & skf18("10","3","9","7","3","5","1") = "9"
    & skf18("10","3","9","7","3","6","1") = "9"
    & skf18("10","3","9","7","3","7","1") = "9"
    & skf18("10","3","9","7","3","8","1") = "9"
    & skf18("10","3","9","7","3","9","1") = "9"
    & skf18("10","3","9","7","3","10","1") = "9"
    & skf18("10","3","9","7","4","1","1") = "9"
    & skf18("10","3","9","7","4","2","1") = "9"
    & skf18("10","3","9","7","4","3","1") = "9"
    & skf18("10","3","9","7","4","4","1") = "9"
    & skf18("10","3","9","7","4","5","1") = "9"
    & skf18("10","3","9","7","4","6","1") = "9"
    & skf18("10","3","9","7","4","7","1") = "9"
    & skf18("10","3","9","7","4","8","1") = "9"
    & skf18("10","3","9","7","4","9","1") = "9"
    & skf18("10","3","9","7","4","10","1") = "9"
    & skf18("10","3","9","7","5","1","1") = "9"
    & skf18("10","3","9","7","5","2","1") = "9"
    & skf18("10","3","9","7","5","3","1") = "9"
    & skf18("10","3","9","7","5","4","1") = "9"
    & skf18("10","3","9","7","5","5","1") = "9"
    & skf18("10","3","9","7","5","6","1") = "9"
    & skf18("10","3","9","7","5","7","1") = "9"
    & skf18("10","3","9","7","5","8","1") = "9"
    & skf18("10","3","9","7","5","9","1") = "9"
    & skf18("10","3","9","7","5","10","1") = "9"
    & skf18("10","3","9","7","6","1","1") = "9"
    & skf18("10","3","9","7","6","2","1") = "9"
    & skf18("10","3","9","7","6","3","1") = "9"
    & skf18("10","3","9","7","6","4","1") = "9"
    & skf18("10","3","9","7","6","5","1") = "9"
    & skf18("10","3","9","7","6","6","1") = "9"
    & skf18("10","3","9","7","6","7","1") = "9"
    & skf18("10","3","9","7","6","8","1") = "9"
    & skf18("10","3","9","7","6","9","1") = "9"
    & skf18("10","3","9","7","6","10","1") = "9"
    & skf18("10","3","9","7","7","1","1") = "9"
    & skf18("10","3","9","7","7","2","1") = "9"
    & skf18("10","3","9","7","7","3","1") = "9"
    & skf18("10","3","9","7","7","4","1") = "9"
    & skf18("10","3","9","7","7","5","1") = "9"
    & skf18("10","3","9","7","7","6","1") = "9"
    & skf18("10","3","9","7","7","7","1") = "9"
    & skf18("10","3","9","7","7","8","1") = "9"
    & skf18("10","3","9","7","7","9","1") = "9"
    & skf18("10","3","9","7","7","10","1") = "9"
    & skf18("10","3","9","7","8","1","1") = "9"
    & skf18("10","3","9","7","8","2","1") = "9"
    & skf18("10","3","9","7","8","3","1") = "9"
    & skf18("10","3","9","7","8","4","1") = "9"
    & skf18("10","3","9","7","8","5","1") = "9"
    & skf18("10","3","9","7","8","6","1") = "9"
    & skf18("10","3","9","7","8","7","1") = "9"
    & skf18("10","3","9","7","8","8","1") = "9"
    & skf18("10","3","9","7","8","9","1") = "9"
    & skf18("10","3","9","7","8","10","1") = "9"
    & skf18("10","3","9","7","9","1","1") = "9"
    & skf18("10","3","9","7","9","2","1") = "9"
    & skf18("10","3","9","7","9","3","1") = "9"
    & skf18("10","3","9","7","9","4","1") = "9"
    & skf18("10","3","9","7","9","5","1") = "9"
    & skf18("10","3","9","7","9","6","1") = "9"
    & skf18("10","3","9","7","9","7","1") = "9"
    & skf18("10","3","9","7","9","8","1") = "9"
    & skf18("10","3","9","7","9","9","1") = "9"
    & skf18("10","3","9","7","9","10","1") = "9"
    & skf18("10","3","9","7","10","1","1") = "9"
    & skf18("10","3","9","7","10","2","1") = "9"
    & skf18("10","3","9","7","10","3","1") = "9"
    & skf18("10","3","9","7","10","4","1") = "9"
    & skf18("10","3","9","7","10","5","1") = "9"
    & skf18("10","3","9","7","10","6","1") = "9"
    & skf18("10","3","9","7","10","7","1") = "9"
    & skf18("10","3","9","7","10","8","1") = "9"
    & skf18("10","3","9","7","10","9","1") = "9"
    & skf18("10","3","9","7","10","10","1") = "9"
    & skf18("10","3","9","8","1","1","1") = "9"
    & skf18("10","3","9","8","1","2","1") = "9"
    & skf18("10","3","9","8","1","3","1") = "9"
    & skf18("10","3","9","8","1","4","1") = "9"
    & skf18("10","3","9","8","1","5","1") = "9"
    & skf18("10","3","9","8","1","6","1") = "9"
    & skf18("10","3","9","8","1","7","1") = "9"
    & skf18("10","3","9","8","1","8","1") = "9"
    & skf18("10","3","9","8","1","9","1") = "9"
    & skf18("10","3","9","8","1","10","1") = "9"
    & skf18("10","3","9","8","2","1","1") = "9"
    & skf18("10","3","9","8","2","2","1") = "9"
    & skf18("10","3","9","8","2","3","1") = "9"
    & skf18("10","3","9","8","2","4","1") = "9"
    & skf18("10","3","9","8","2","5","1") = "9"
    & skf18("10","3","9","8","2","6","1") = "9"
    & skf18("10","3","9","8","2","7","1") = "9"
    & skf18("10","3","9","8","2","8","1") = "9"
    & skf18("10","3","9","8","2","9","1") = "9"
    & skf18("10","3","9","8","2","10","1") = "9"
    & skf18("10","3","9","8","3","1","1") = "9"
    & skf18("10","3","9","8","3","2","1") = "9"
    & skf18("10","3","9","8","3","3","1") = "9"
    & skf18("10","3","9","8","3","4","1") = "9"
    & skf18("10","3","9","8","3","5","1") = "9"
    & skf18("10","3","9","8","3","6","1") = "9"
    & skf18("10","3","9","8","3","7","1") = "9"
    & skf18("10","3","9","8","3","8","1") = "9"
    & skf18("10","3","9","8","3","9","1") = "9"
    & skf18("10","3","9","8","3","10","1") = "9"
    & skf18("10","3","9","8","4","1","1") = "9"
    & skf18("10","3","9","8","4","2","1") = "9"
    & skf18("10","3","9","8","4","3","1") = "9"
    & skf18("10","3","9","8","4","4","1") = "9"
    & skf18("10","3","9","8","4","5","1") = "9"
    & skf18("10","3","9","8","4","6","1") = "9"
    & skf18("10","3","9","8","4","7","1") = "9"
    & skf18("10","3","9","8","4","8","1") = "9"
    & skf18("10","3","9","8","4","9","1") = "9"
    & skf18("10","3","9","8","4","10","1") = "9"
    & skf18("10","3","9","8","5","1","1") = "9"
    & skf18("10","3","9","8","5","2","1") = "9"
    & skf18("10","3","9","8","5","3","1") = "9"
    & skf18("10","3","9","8","5","4","1") = "9"
    & skf18("10","3","9","8","5","5","1") = "9"
    & skf18("10","3","9","8","5","6","1") = "9"
    & skf18("10","3","9","8","5","7","1") = "9"
    & skf18("10","3","9","8","5","8","1") = "9"
    & skf18("10","3","9","8","5","9","1") = "9"
    & skf18("10","3","9","8","5","10","1") = "9"
    & skf18("10","3","9","8","6","1","1") = "9"
    & skf18("10","3","9","8","6","2","1") = "9"
    & skf18("10","3","9","8","6","3","1") = "9"
    & skf18("10","3","9","8","6","4","1") = "9"
    & skf18("10","3","9","8","6","5","1") = "9"
    & skf18("10","3","9","8","6","6","1") = "9"
    & skf18("10","3","9","8","6","7","1") = "9"
    & skf18("10","3","9","8","6","8","1") = "9"
    & skf18("10","3","9","8","6","9","1") = "9"
    & skf18("10","3","9","8","6","10","1") = "9"
    & skf18("10","3","9","8","7","1","1") = "9"
    & skf18("10","3","9","8","7","2","1") = "9"
    & skf18("10","3","9","8","7","3","1") = "9"
    & skf18("10","3","9","8","7","4","1") = "9"
    & skf18("10","3","9","8","7","5","1") = "9"
    & skf18("10","3","9","8","7","6","1") = "9"
    & skf18("10","3","9","8","7","7","1") = "9"
    & skf18("10","3","9","8","7","8","1") = "9"
    & skf18("10","3","9","8","7","9","1") = "9"
    & skf18("10","3","9","8","7","10","1") = "9"
    & skf18("10","3","9","8","8","1","1") = "9"
    & skf18("10","3","9","8","8","2","1") = "9"
    & skf18("10","3","9","8","8","3","1") = "9"
    & skf18("10","3","9","8","8","4","1") = "9"
    & skf18("10","3","9","8","8","5","1") = "9"
    & skf18("10","3","9","8","8","6","1") = "9"
    & skf18("10","3","9","8","8","7","1") = "9"
    & skf18("10","3","9","8","8","8","1") = "9"
    & skf18("10","3","9","8","8","9","1") = "9"
    & skf18("10","3","9","8","8","10","1") = "9"
    & skf18("10","3","9","8","9","1","1") = "9"
    & skf18("10","3","9","8","9","2","1") = "9"
    & skf18("10","3","9","8","9","3","1") = "9"
    & skf18("10","3","9","8","9","4","1") = "9"
    & skf18("10","3","9","8","9","5","1") = "9"
    & skf18("10","3","9","8","9","6","1") = "9"
    & skf18("10","3","9","8","9","7","1") = "9"
    & skf18("10","3","9","8","9","8","1") = "9"
    & skf18("10","3","9","8","9","9","1") = "9"
    & skf18("10","3","9","8","9","10","1") = "9"
    & skf18("10","3","9","8","10","1","1") = "9"
    & skf18("10","3","9","8","10","2","1") = "9"
    & skf18("10","3","9","8","10","3","1") = "9"
    & skf18("10","3","9","8","10","4","1") = "9"
    & skf18("10","3","9","8","10","5","1") = "9"
    & skf18("10","3","9","8","10","6","1") = "9"
    & skf18("10","3","9","8","10","7","1") = "9"
    & skf18("10","3","9","8","10","8","1") = "9"
    & skf18("10","3","9","8","10","9","1") = "9"
    & skf18("10","3","9","8","10","10","1") = "9"
    & skf18("10","3","9","9","1","1","1") = "9"
    & skf18("10","3","9","9","1","2","1") = "9"
    & skf18("10","3","9","9","1","3","1") = "9"
    & skf18("10","3","9","9","1","4","1") = "9"
    & skf18("10","3","9","9","1","5","1") = "9"
    & skf18("10","3","9","9","1","6","1") = "9"
    & skf18("10","3","9","9","1","7","1") = "9"
    & skf18("10","3","9","9","1","8","1") = "9"
    & skf18("10","3","9","9","1","9","1") = "9"
    & skf18("10","3","9","9","1","10","1") = "9"
    & skf18("10","3","9","9","2","1","1") = "9"
    & skf18("10","3","9","9","2","2","1") = "9"
    & skf18("10","3","9","9","2","3","1") = "9"
    & skf18("10","3","9","9","2","4","1") = "9"
    & skf18("10","3","9","9","2","5","1") = "9"
    & skf18("10","3","9","9","2","6","1") = "9"
    & skf18("10","3","9","9","2","7","1") = "9"
    & skf18("10","3","9","9","2","8","1") = "9"
    & skf18("10","3","9","9","2","9","1") = "9"
    & skf18("10","3","9","9","2","10","1") = "9"
    & skf18("10","3","9","9","3","1","1") = "9"
    & skf18("10","3","9","9","3","2","1") = "9"
    & skf18("10","3","9","9","3","3","1") = "9"
    & skf18("10","3","9","9","3","4","1") = "9"
    & skf18("10","3","9","9","3","5","1") = "9"
    & skf18("10","3","9","9","3","6","1") = "9"
    & skf18("10","3","9","9","3","7","1") = "9"
    & skf18("10","3","9","9","3","8","1") = "9"
    & skf18("10","3","9","9","3","9","1") = "9"
    & skf18("10","3","9","9","3","10","1") = "9"
    & skf18("10","3","9","9","4","1","1") = "9"
    & skf18("10","3","9","9","4","2","1") = "9"
    & skf18("10","3","9","9","4","3","1") = "9"
    & skf18("10","3","9","9","4","4","1") = "9"
    & skf18("10","3","9","9","4","5","1") = "9"
    & skf18("10","3","9","9","4","6","1") = "9"
    & skf18("10","3","9","9","4","7","1") = "9"
    & skf18("10","3","9","9","4","8","1") = "9"
    & skf18("10","3","9","9","4","9","1") = "9"
    & skf18("10","3","9","9","4","10","1") = "9"
    & skf18("10","3","9","9","5","1","1") = "9"
    & skf18("10","3","9","9","5","2","1") = "9"
    & skf18("10","3","9","9","5","3","1") = "9"
    & skf18("10","3","9","9","5","4","1") = "9"
    & skf18("10","3","9","9","5","5","1") = "9"
    & skf18("10","3","9","9","5","6","1") = "9"
    & skf18("10","3","9","9","5","7","1") = "9"
    & skf18("10","3","9","9","5","8","1") = "9"
    & skf18("10","3","9","9","5","9","1") = "9"
    & skf18("10","3","9","9","5","10","1") = "9"
    & skf18("10","3","9","9","6","1","1") = "9"
    & skf18("10","3","9","9","6","2","1") = "9"
    & skf18("10","3","9","9","6","3","1") = "9"
    & skf18("10","3","9","9","6","4","1") = "9"
    & skf18("10","3","9","9","6","5","1") = "9"
    & skf18("10","3","9","9","6","6","1") = "9"
    & skf18("10","3","9","9","6","7","1") = "9"
    & skf18("10","3","9","9","6","8","1") = "9"
    & skf18("10","3","9","9","6","9","1") = "9"
    & skf18("10","3","9","9","6","10","1") = "9"
    & skf18("10","3","9","9","7","1","1") = "9"
    & skf18("10","3","9","9","7","2","1") = "9"
    & skf18("10","3","9","9","7","3","1") = "9"
    & skf18("10","3","9","9","7","4","1") = "9"
    & skf18("10","3","9","9","7","5","1") = "9"
    & skf18("10","3","9","9","7","6","1") = "9"
    & skf18("10","3","9","9","7","7","1") = "9"
    & skf18("10","3","9","9","7","8","1") = "9"
    & skf18("10","3","9","9","7","9","1") = "9"
    & skf18("10","3","9","9","7","10","1") = "9"
    & skf18("10","3","9","9","8","1","1") = "9"
    & skf18("10","3","9","9","8","2","1") = "9"
    & skf18("10","3","9","9","8","3","1") = "9"
    & skf18("10","3","9","9","8","4","1") = "9"
    & skf18("10","3","9","9","8","5","1") = "9"
    & skf18("10","3","9","9","8","6","1") = "9"
    & skf18("10","3","9","9","8","7","1") = "9"
    & skf18("10","3","9","9","8","8","1") = "9"
    & skf18("10","3","9","9","8","9","1") = "9"
    & skf18("10","3","9","9","8","10","1") = "9"
    & skf18("10","3","9","9","9","1","1") = "9"
    & skf18("10","3","9","9","9","2","1") = "9"
    & skf18("10","3","9","9","9","3","1") = "9"
    & skf18("10","3","9","9","9","4","1") = "9"
    & skf18("10","3","9","9","9","5","1") = "9"
    & skf18("10","3","9","9","9","6","1") = "9"
    & skf18("10","3","9","9","9","7","1") = "9"
    & skf18("10","3","9","9","9","8","1") = "9"
    & skf18("10","3","9","9","9","9","1") = "9"
    & skf18("10","3","9","9","9","10","1") = "9"
    & skf18("10","3","9","9","10","1","1") = "9"
    & skf18("10","3","9","9","10","2","1") = "9"
    & skf18("10","3","9","9","10","3","1") = "9"
    & skf18("10","3","9","9","10","4","1") = "9"
    & skf18("10","3","9","9","10","5","1") = "9"
    & skf18("10","3","9","9","10","6","1") = "9"
    & skf18("10","3","9","9","10","7","1") = "9"
    & skf18("10","3","9","9","10","8","1") = "9"
    & skf18("10","3","9","9","10","9","1") = "9"
    & skf18("10","3","9","9","10","10","1") = "9"
    & skf18("10","3","9","10","1","1","1") = "9"
    & skf18("10","3","9","10","1","2","1") = "9"
    & skf18("10","3","9","10","1","3","1") = "9"
    & skf18("10","3","9","10","1","4","1") = "9"
    & skf18("10","3","9","10","1","5","1") = "9"
    & skf18("10","3","9","10","1","6","1") = "9"
    & skf18("10","3","9","10","1","7","1") = "9"
    & skf18("10","3","9","10","1","8","1") = "9"
    & skf18("10","3","9","10","1","9","1") = "9"
    & skf18("10","3","9","10","1","10","1") = "9"
    & skf18("10","3","9","10","2","1","1") = "9"
    & skf18("10","3","9","10","2","2","1") = "9"
    & skf18("10","3","9","10","2","3","1") = "9"
    & skf18("10","3","9","10","2","4","1") = "9"
    & skf18("10","3","9","10","2","5","1") = "9"
    & skf18("10","3","9","10","2","6","1") = "9"
    & skf18("10","3","9","10","2","7","1") = "9"
    & skf18("10","3","9","10","2","8","1") = "9"
    & skf18("10","3","9","10","2","9","1") = "9"
    & skf18("10","3","9","10","2","10","1") = "9"
    & skf18("10","3","9","10","3","1","1") = "9"
    & skf18("10","3","9","10","3","2","1") = "9"
    & skf18("10","3","9","10","3","3","1") = "9"
    & skf18("10","3","9","10","3","4","1") = "9"
    & skf18("10","3","9","10","3","5","1") = "9"
    & skf18("10","3","9","10","3","6","1") = "9"
    & skf18("10","3","9","10","3","7","1") = "9"
    & skf18("10","3","9","10","3","8","1") = "9"
    & skf18("10","3","9","10","3","9","1") = "9"
    & skf18("10","3","9","10","3","10","1") = "9"
    & skf18("10","3","9","10","4","1","1") = "9"
    & skf18("10","3","9","10","4","2","1") = "9"
    & skf18("10","3","9","10","4","3","1") = "9"
    & skf18("10","3","9","10","4","4","1") = "9"
    & skf18("10","3","9","10","4","5","1") = "9"
    & skf18("10","3","9","10","4","6","1") = "9"
    & skf18("10","3","9","10","4","7","1") = "9"
    & skf18("10","3","9","10","4","8","1") = "9"
    & skf18("10","3","9","10","4","9","1") = "9"
    & skf18("10","3","9","10","4","10","1") = "9"
    & skf18("10","3","9","10","5","1","1") = "9"
    & skf18("10","3","9","10","5","2","1") = "9"
    & skf18("10","3","9","10","5","3","1") = "9"
    & skf18("10","3","9","10","5","4","1") = "9"
    & skf18("10","3","9","10","5","5","1") = "9"
    & skf18("10","3","9","10","5","6","1") = "9"
    & skf18("10","3","9","10","5","7","1") = "9"
    & skf18("10","3","9","10","5","8","1") = "9"
    & skf18("10","3","9","10","5","9","1") = "9"
    & skf18("10","3","9","10","5","10","1") = "9"
    & skf18("10","3","9","10","6","1","1") = "9"
    & skf18("10","3","9","10","6","2","1") = "9"
    & skf18("10","3","9","10","6","3","1") = "9"
    & skf18("10","3","9","10","6","4","1") = "9"
    & skf18("10","3","9","10","6","5","1") = "9"
    & skf18("10","3","9","10","6","6","1") = "9"
    & skf18("10","3","9","10","6","7","1") = "9"
    & skf18("10","3","9","10","6","8","1") = "9"
    & skf18("10","3","9","10","6","9","1") = "9"
    & skf18("10","3","9","10","6","10","1") = "9"
    & skf18("10","3","9","10","7","1","1") = "9"
    & skf18("10","3","9","10","7","2","1") = "9"
    & skf18("10","3","9","10","7","3","1") = "9"
    & skf18("10","3","9","10","7","4","1") = "9"
    & skf18("10","3","9","10","7","5","1") = "9"
    & skf18("10","3","9","10","7","6","1") = "9"
    & skf18("10","3","9","10","7","7","1") = "9"
    & skf18("10","3","9","10","7","8","1") = "9"
    & skf18("10","3","9","10","7","9","1") = "9"
    & skf18("10","3","9","10","7","10","1") = "9"
    & skf18("10","3","9","10","8","1","1") = "9"
    & skf18("10","3","9","10","8","2","1") = "9"
    & skf18("10","3","9","10","8","3","1") = "9"
    & skf18("10","3","9","10","8","4","1") = "9"
    & skf18("10","3","9","10","8","5","1") = "9"
    & skf18("10","3","9","10","8","6","1") = "9"
    & skf18("10","3","9","10","8","7","1") = "9"
    & skf18("10","3","9","10","8","8","1") = "9"
    & skf18("10","3","9","10","8","9","1") = "9"
    & skf18("10","3","9","10","8","10","1") = "9"
    & skf18("10","3","9","10","9","1","1") = "9"
    & skf18("10","3","9","10","9","2","1") = "9"
    & skf18("10","3","9","10","9","3","1") = "9"
    & skf18("10","3","9","10","9","4","1") = "9"
    & skf18("10","3","9","10","9","5","1") = "9"
    & skf18("10","3","9","10","9","6","1") = "9"
    & skf18("10","3","9","10","9","7","1") = "9"
    & skf18("10","3","9","10","9","8","1") = "9"
    & skf18("10","3","9","10","9","9","1") = "9"
    & skf18("10","3","9","10","9","10","1") = "9"
    & skf18("10","3","9","10","10","1","1") = "9"
    & skf18("10","3","9","10","10","2","1") = "9"
    & skf18("10","3","9","10","10","3","1") = "9"
    & skf18("10","3","9","10","10","4","1") = "9"
    & skf18("10","3","9","10","10","5","1") = "9"
    & skf18("10","3","9","10","10","6","1") = "9"
    & skf18("10","3","9","10","10","7","1") = "9"
    & skf18("10","3","9","10","10","8","1") = "9"
    & skf18("10","3","9","10","10","9","1") = "9"
    & skf18("10","3","9","10","10","10","1") = "9"
    & skf18("10","3","10","1","1","1","1") = "9"
    & skf18("10","3","10","1","1","2","1") = "9"
    & skf18("10","3","10","1","1","3","1") = "9"
    & skf18("10","3","10","1","1","4","1") = "9"
    & skf18("10","3","10","1","1","5","1") = "9"
    & skf18("10","3","10","1","1","6","1") = "9"
    & skf18("10","3","10","1","1","7","1") = "9"
    & skf18("10","3","10","1","1","8","1") = "9"
    & skf18("10","3","10","1","1","9","1") = "9"
    & skf18("10","3","10","1","1","10","1") = "9"
    & skf18("10","3","10","1","2","1","1") = "9"
    & skf18("10","3","10","1","2","2","1") = "9"
    & skf18("10","3","10","1","2","3","1") = "9"
    & skf18("10","3","10","1","2","4","1") = "9"
    & skf18("10","3","10","1","2","5","1") = "9"
    & skf18("10","3","10","1","2","6","1") = "9"
    & skf18("10","3","10","1","2","7","1") = "9"
    & skf18("10","3","10","1","2","8","1") = "9"
    & skf18("10","3","10","1","2","9","1") = "9"
    & skf18("10","3","10","1","2","10","1") = "9"
    & skf18("10","3","10","1","3","1","1") = "9"
    & skf18("10","3","10","1","3","2","1") = "9"
    & skf18("10","3","10","1","3","3","1") = "9"
    & skf18("10","3","10","1","3","4","1") = "9"
    & skf18("10","3","10","1","3","5","1") = "9"
    & skf18("10","3","10","1","3","6","1") = "9"
    & skf18("10","3","10","1","3","7","1") = "9"
    & skf18("10","3","10","1","3","8","1") = "9"
    & skf18("10","3","10","1","3","9","1") = "9"
    & skf18("10","3","10","1","3","10","1") = "9"
    & skf18("10","3","10","1","4","1","1") = "9"
    & skf18("10","3","10","1","4","2","1") = "9"
    & skf18("10","3","10","1","4","3","1") = "9"
    & skf18("10","3","10","1","4","4","1") = "9"
    & skf18("10","3","10","1","4","5","1") = "9"
    & skf18("10","3","10","1","4","6","1") = "9"
    & skf18("10","3","10","1","4","7","1") = "9"
    & skf18("10","3","10","1","4","8","1") = "9"
    & skf18("10","3","10","1","4","9","1") = "9"
    & skf18("10","3","10","1","4","10","1") = "9"
    & skf18("10","3","10","1","5","1","1") = "9"
    & skf18("10","3","10","1","5","2","1") = "9"
    & skf18("10","3","10","1","5","3","1") = "9"
    & skf18("10","3","10","1","5","4","1") = "9"
    & skf18("10","3","10","1","5","5","1") = "9"
    & skf18("10","3","10","1","5","6","1") = "9"
    & skf18("10","3","10","1","5","7","1") = "9"
    & skf18("10","3","10","1","5","8","1") = "9"
    & skf18("10","3","10","1","5","9","1") = "9"
    & skf18("10","3","10","1","5","10","1") = "9"
    & skf18("10","3","10","1","6","1","1") = "9"
    & skf18("10","3","10","1","6","2","1") = "9"
    & skf18("10","3","10","1","6","3","1") = "9"
    & skf18("10","3","10","1","6","4","1") = "9"
    & skf18("10","3","10","1","6","5","1") = "9"
    & skf18("10","3","10","1","6","6","1") = "9"
    & skf18("10","3","10","1","6","7","1") = "9"
    & skf18("10","3","10","1","6","8","1") = "9"
    & skf18("10","3","10","1","6","9","1") = "9"
    & skf18("10","3","10","1","6","10","1") = "9"
    & skf18("10","3","10","1","7","1","1") = "9"
    & skf18("10","3","10","1","7","2","1") = "9"
    & skf18("10","3","10","1","7","3","1") = "9"
    & skf18("10","3","10","1","7","4","1") = "9"
    & skf18("10","3","10","1","7","5","1") = "9"
    & skf18("10","3","10","1","7","6","1") = "9"
    & skf18("10","3","10","1","7","7","1") = "9"
    & skf18("10","3","10","1","7","8","1") = "9"
    & skf18("10","3","10","1","7","9","1") = "9"
    & skf18("10","3","10","1","7","10","1") = "9"
    & skf18("10","3","10","1","8","1","1") = "9"
    & skf18("10","3","10","1","8","2","1") = "9"
    & skf18("10","3","10","1","8","3","1") = "9"
    & skf18("10","3","10","1","8","4","1") = "9"
    & skf18("10","3","10","1","8","5","1") = "9"
    & skf18("10","3","10","1","8","6","1") = "9"
    & skf18("10","3","10","1","8","7","1") = "9"
    & skf18("10","3","10","1","8","8","1") = "9"
    & skf18("10","3","10","1","8","9","1") = "9"
    & skf18("10","3","10","1","8","10","1") = "9"
    & skf18("10","3","10","1","9","1","1") = "9"
    & skf18("10","3","10","1","9","2","1") = "9"
    & skf18("10","3","10","1","9","3","1") = "9"
    & skf18("10","3","10","1","9","4","1") = "9"
    & skf18("10","3","10","1","9","5","1") = "9"
    & skf18("10","3","10","1","9","6","1") = "9"
    & skf18("10","3","10","1","9","7","1") = "9"
    & skf18("10","3","10","1","9","8","1") = "9"
    & skf18("10","3","10","1","9","9","1") = "9"
    & skf18("10","3","10","1","9","10","1") = "9"
    & skf18("10","3","10","1","10","1","1") = "9"
    & skf18("10","3","10","1","10","2","1") = "9"
    & skf18("10","3","10","1","10","3","1") = "9"
    & skf18("10","3","10","1","10","4","1") = "9"
    & skf18("10","3","10","1","10","5","1") = "9"
    & skf18("10","3","10","1","10","6","1") = "9"
    & skf18("10","3","10","1","10","7","1") = "9"
    & skf18("10","3","10","1","10","8","1") = "9"
    & skf18("10","3","10","1","10","9","1") = "9"
    & skf18("10","3","10","1","10","10","1") = "9"
    & skf18("10","3","10","2","1","1","1") = "9"
    & skf18("10","3","10","2","1","2","1") = "9"
    & skf18("10","3","10","2","1","3","1") = "9"
    & skf18("10","3","10","2","1","4","1") = "9"
    & skf18("10","3","10","2","1","5","1") = "9"
    & skf18("10","3","10","2","1","6","1") = "9"
    & skf18("10","3","10","2","1","7","1") = "9"
    & skf18("10","3","10","2","1","8","1") = "9"
    & skf18("10","3","10","2","1","9","1") = "9"
    & skf18("10","3","10","2","1","10","1") = "9"
    & skf18("10","3","10","2","2","1","1") = "9"
    & skf18("10","3","10","2","2","2","1") = "9"
    & skf18("10","3","10","2","2","3","1") = "9"
    & skf18("10","3","10","2","2","4","1") = "9"
    & skf18("10","3","10","2","2","5","1") = "9"
    & skf18("10","3","10","2","2","6","1") = "9"
    & skf18("10","3","10","2","2","7","1") = "9"
    & skf18("10","3","10","2","2","8","1") = "9"
    & skf18("10","3","10","2","2","9","1") = "9"
    & skf18("10","3","10","2","2","10","1") = "9"
    & skf18("10","3","10","2","3","1","1") = "9"
    & skf18("10","3","10","2","3","2","1") = "9"
    & skf18("10","3","10","2","3","3","1") = "9"
    & skf18("10","3","10","2","3","4","1") = "9"
    & skf18("10","3","10","2","3","5","1") = "9"
    & skf18("10","3","10","2","3","6","1") = "9"
    & skf18("10","3","10","2","3","7","1") = "9"
    & skf18("10","3","10","2","3","8","1") = "9"
    & skf18("10","3","10","2","3","9","1") = "9"
    & skf18("10","3","10","2","3","10","1") = "9"
    & skf18("10","3","10","2","4","1","1") = "9"
    & skf18("10","3","10","2","4","2","1") = "9"
    & skf18("10","3","10","2","4","3","1") = "9"
    & skf18("10","3","10","2","4","4","1") = "9"
    & skf18("10","3","10","2","4","5","1") = "9"
    & skf18("10","3","10","2","4","6","1") = "9"
    & skf18("10","3","10","2","4","7","1") = "9"
    & skf18("10","3","10","2","4","8","1") = "9"
    & skf18("10","3","10","2","4","9","1") = "9"
    & skf18("10","3","10","2","4","10","1") = "9"
    & skf18("10","3","10","2","5","1","1") = "9"
    & skf18("10","3","10","2","5","2","1") = "9"
    & skf18("10","3","10","2","5","3","1") = "9"
    & skf18("10","3","10","2","5","4","1") = "9"
    & skf18("10","3","10","2","5","5","1") = "9"
    & skf18("10","3","10","2","5","6","1") = "9"
    & skf18("10","3","10","2","5","7","1") = "9"
    & skf18("10","3","10","2","5","8","1") = "9"
    & skf18("10","3","10","2","5","9","1") = "9"
    & skf18("10","3","10","2","5","10","1") = "9"
    & skf18("10","3","10","2","6","1","1") = "9"
    & skf18("10","3","10","2","6","2","1") = "9"
    & skf18("10","3","10","2","6","3","1") = "9"
    & skf18("10","3","10","2","6","4","1") = "9"
    & skf18("10","3","10","2","6","5","1") = "9"
    & skf18("10","3","10","2","6","6","1") = "9"
    & skf18("10","3","10","2","6","7","1") = "9"
    & skf18("10","3","10","2","6","8","1") = "9"
    & skf18("10","3","10","2","6","9","1") = "9"
    & skf18("10","3","10","2","6","10","1") = "9"
    & skf18("10","3","10","2","7","1","1") = "9"
    & skf18("10","3","10","2","7","2","1") = "9"
    & skf18("10","3","10","2","7","3","1") = "9"
    & skf18("10","3","10","2","7","4","1") = "9"
    & skf18("10","3","10","2","7","5","1") = "9"
    & skf18("10","3","10","2","7","6","1") = "9"
    & skf18("10","3","10","2","7","7","1") = "9"
    & skf18("10","3","10","2","7","8","1") = "9"
    & skf18("10","3","10","2","7","9","1") = "9"
    & skf18("10","3","10","2","7","10","1") = "9"
    & skf18("10","3","10","2","8","1","1") = "9"
    & skf18("10","3","10","2","8","2","1") = "9"
    & skf18("10","3","10","2","8","3","1") = "9"
    & skf18("10","3","10","2","8","4","1") = "9"
    & skf18("10","3","10","2","8","5","1") = "9"
    & skf18("10","3","10","2","8","6","1") = "9"
    & skf18("10","3","10","2","8","7","1") = "9"
    & skf18("10","3","10","2","8","8","1") = "9"
    & skf18("10","3","10","2","8","9","1") = "9"
    & skf18("10","3","10","2","8","10","1") = "9"
    & skf18("10","3","10","2","9","1","1") = "9"
    & skf18("10","3","10","2","9","2","1") = "9"
    & skf18("10","3","10","2","9","3","1") = "9"
    & skf18("10","3","10","2","9","4","1") = "9"
    & skf18("10","3","10","2","9","5","1") = "9"
    & skf18("10","3","10","2","9","6","1") = "9"
    & skf18("10","3","10","2","9","7","1") = "9"
    & skf18("10","3","10","2","9","8","1") = "9"
    & skf18("10","3","10","2","9","9","1") = "9"
    & skf18("10","3","10","2","9","10","1") = "9"
    & skf18("10","3","10","2","10","1","1") = "9"
    & skf18("10","3","10","2","10","2","1") = "9"
    & skf18("10","3","10","2","10","3","1") = "9"
    & skf18("10","3","10","2","10","4","1") = "9"
    & skf18("10","3","10","2","10","5","1") = "9"
    & skf18("10","3","10","2","10","6","1") = "9"
    & skf18("10","3","10","2","10","7","1") = "9"
    & skf18("10","3","10","2","10","8","1") = "9"
    & skf18("10","3","10","2","10","9","1") = "9"
    & skf18("10","3","10","2","10","10","1") = "9"
    & skf18("10","3","10","3","1","1","1") = "9"
    & skf18("10","3","10","3","1","2","1") = "9"
    & skf18("10","3","10","3","1","3","1") = "9"
    & skf18("10","3","10","3","1","4","1") = "9"
    & skf18("10","3","10","3","1","5","1") = "9"
    & skf18("10","3","10","3","1","6","1") = "9"
    & skf18("10","3","10","3","1","7","1") = "9"
    & skf18("10","3","10","3","1","8","1") = "9"
    & skf18("10","3","10","3","1","9","1") = "9"
    & skf18("10","3","10","3","1","10","1") = "9"
    & skf18("10","3","10","3","2","1","1") = "9"
    & skf18("10","3","10","3","2","2","1") = "9"
    & skf18("10","3","10","3","2","3","1") = "9"
    & skf18("10","3","10","3","2","4","1") = "9"
    & skf18("10","3","10","3","2","5","1") = "9"
    & skf18("10","3","10","3","2","6","1") = "9"
    & skf18("10","3","10","3","2","7","1") = "9"
    & skf18("10","3","10","3","2","8","1") = "9"
    & skf18("10","3","10","3","2","9","1") = "9"
    & skf18("10","3","10","3","2","10","1") = "9"
    & skf18("10","3","10","3","3","1","1") = "9"
    & skf18("10","3","10","3","3","2","1") = "9"
    & skf18("10","3","10","3","3","3","1") = "9"
    & skf18("10","3","10","3","3","4","1") = "9"
    & skf18("10","3","10","3","3","5","1") = "9"
    & skf18("10","3","10","3","3","6","1") = "9"
    & skf18("10","3","10","3","3","7","1") = "9"
    & skf18("10","3","10","3","3","8","1") = "9"
    & skf18("10","3","10","3","3","9","1") = "9"
    & skf18("10","3","10","3","3","10","1") = "9"
    & skf18("10","3","10","3","4","1","1") = "9"
    & skf18("10","3","10","3","4","2","1") = "9"
    & skf18("10","3","10","3","4","3","1") = "9"
    & skf18("10","3","10","3","4","4","1") = "9"
    & skf18("10","3","10","3","4","5","1") = "9"
    & skf18("10","3","10","3","4","6","1") = "9"
    & skf18("10","3","10","3","4","7","1") = "9"
    & skf18("10","3","10","3","4","8","1") = "9"
    & skf18("10","3","10","3","4","9","1") = "9"
    & skf18("10","3","10","3","4","10","1") = "9"
    & skf18("10","3","10","3","5","1","1") = "9"
    & skf18("10","3","10","3","5","2","1") = "9"
    & skf18("10","3","10","3","5","3","1") = "9"
    & skf18("10","3","10","3","5","4","1") = "9"
    & skf18("10","3","10","3","5","5","1") = "9"
    & skf18("10","3","10","3","5","6","1") = "9"
    & skf18("10","3","10","3","5","7","1") = "9"
    & skf18("10","3","10","3","5","8","1") = "9"
    & skf18("10","3","10","3","5","9","1") = "9"
    & skf18("10","3","10","3","5","10","1") = "9"
    & skf18("10","3","10","3","6","1","1") = "9"
    & skf18("10","3","10","3","6","2","1") = "9"
    & skf18("10","3","10","3","6","3","1") = "9"
    & skf18("10","3","10","3","6","4","1") = "9"
    & skf18("10","3","10","3","6","5","1") = "9"
    & skf18("10","3","10","3","6","6","1") = "9"
    & skf18("10","3","10","3","6","7","1") = "9"
    & skf18("10","3","10","3","6","8","1") = "9"
    & skf18("10","3","10","3","6","9","1") = "9"
    & skf18("10","3","10","3","6","10","1") = "9"
    & skf18("10","3","10","3","7","1","1") = "9"
    & skf18("10","3","10","3","7","2","1") = "9"
    & skf18("10","3","10","3","7","3","1") = "9"
    & skf18("10","3","10","3","7","4","1") = "9"
    & skf18("10","3","10","3","7","5","1") = "9"
    & skf18("10","3","10","3","7","6","1") = "9"
    & skf18("10","3","10","3","7","7","1") = "9"
    & skf18("10","3","10","3","7","8","1") = "9"
    & skf18("10","3","10","3","7","9","1") = "9"
    & skf18("10","3","10","3","7","10","1") = "9"
    & skf18("10","3","10","3","8","1","1") = "9"
    & skf18("10","3","10","3","8","2","1") = "9"
    & skf18("10","3","10","3","8","3","1") = "9"
    & skf18("10","3","10","3","8","4","1") = "9"
    & skf18("10","3","10","3","8","5","1") = "9"
    & skf18("10","3","10","3","8","6","1") = "9"
    & skf18("10","3","10","3","8","7","1") = "9"
    & skf18("10","3","10","3","8","8","1") = "9"
    & skf18("10","3","10","3","8","9","1") = "9"
    & skf18("10","3","10","3","8","10","1") = "9"
    & skf18("10","3","10","3","9","1","1") = "9"
    & skf18("10","3","10","3","9","2","1") = "9"
    & skf18("10","3","10","3","9","3","1") = "9"
    & skf18("10","3","10","3","9","4","1") = "9"
    & skf18("10","3","10","3","9","5","1") = "9"
    & skf18("10","3","10","3","9","6","1") = "9"
    & skf18("10","3","10","3","9","7","1") = "9"
    & skf18("10","3","10","3","9","8","1") = "9"
    & skf18("10","3","10","3","9","9","1") = "9"
    & skf18("10","3","10","3","9","10","1") = "9"
    & skf18("10","3","10","3","10","1","1") = "9"
    & skf18("10","3","10","3","10","2","1") = "9"
    & skf18("10","3","10","3","10","3","1") = "9"
    & skf18("10","3","10","3","10","4","1") = "9"
    & skf18("10","3","10","3","10","5","1") = "9"
    & skf18("10","3","10","3","10","6","1") = "9"
    & skf18("10","3","10","3","10","7","1") = "9"
    & skf18("10","3","10","3","10","8","1") = "9"
    & skf18("10","3","10","3","10","9","1") = "9"
    & skf18("10","3","10","3","10","10","1") = "9"
    & skf18("10","3","10","4","1","1","1") = "9"
    & skf18("10","3","10","4","1","2","1") = "9"
    & skf18("10","3","10","4","1","3","1") = "9"
    & skf18("10","3","10","4","1","4","1") = "9"
    & skf18("10","3","10","4","1","5","1") = "9"
    & skf18("10","3","10","4","1","6","1") = "9"
    & skf18("10","3","10","4","1","7","1") = "9"
    & skf18("10","3","10","4","1","8","1") = "9"
    & skf18("10","3","10","4","1","9","1") = "9"
    & skf18("10","3","10","4","1","10","1") = "9"
    & skf18("10","3","10","4","2","1","1") = "9"
    & skf18("10","3","10","4","2","2","1") = "9"
    & skf18("10","3","10","4","2","3","1") = "9"
    & skf18("10","3","10","4","2","4","1") = "9"
    & skf18("10","3","10","4","2","5","1") = "9"
    & skf18("10","3","10","4","2","6","1") = "9"
    & skf18("10","3","10","4","2","7","1") = "9"
    & skf18("10","3","10","4","2","8","1") = "9"
    & skf18("10","3","10","4","2","9","1") = "9"
    & skf18("10","3","10","4","2","10","1") = "9"
    & skf18("10","3","10","4","3","1","1") = "9"
    & skf18("10","3","10","4","3","2","1") = "9"
    & skf18("10","3","10","4","3","3","1") = "9"
    & skf18("10","3","10","4","3","4","1") = "9"
    & skf18("10","3","10","4","3","5","1") = "9"
    & skf18("10","3","10","4","3","6","1") = "9"
    & skf18("10","3","10","4","3","7","1") = "9"
    & skf18("10","3","10","4","3","8","1") = "9"
    & skf18("10","3","10","4","3","9","1") = "9"
    & skf18("10","3","10","4","3","10","1") = "9"
    & skf18("10","3","10","4","4","1","1") = "9"
    & skf18("10","3","10","4","4","2","1") = "9"
    & skf18("10","3","10","4","4","3","1") = "9"
    & skf18("10","3","10","4","4","4","1") = "9"
    & skf18("10","3","10","4","4","5","1") = "9"
    & skf18("10","3","10","4","4","6","1") = "9"
    & skf18("10","3","10","4","4","7","1") = "9"
    & skf18("10","3","10","4","4","8","1") = "9"
    & skf18("10","3","10","4","4","9","1") = "9"
    & skf18("10","3","10","4","4","10","1") = "9"
    & skf18("10","3","10","4","5","1","1") = "9"
    & skf18("10","3","10","4","5","2","1") = "9"
    & skf18("10","3","10","4","5","3","1") = "9"
    & skf18("10","3","10","4","5","4","1") = "9"
    & skf18("10","3","10","4","5","5","1") = "9"
    & skf18("10","3","10","4","5","6","1") = "9"
    & skf18("10","3","10","4","5","7","1") = "9"
    & skf18("10","3","10","4","5","8","1") = "9"
    & skf18("10","3","10","4","5","9","1") = "9"
    & skf18("10","3","10","4","5","10","1") = "9"
    & skf18("10","3","10","4","6","1","1") = "9"
    & skf18("10","3","10","4","6","2","1") = "9"
    & skf18("10","3","10","4","6","3","1") = "9"
    & skf18("10","3","10","4","6","4","1") = "9"
    & skf18("10","3","10","4","6","5","1") = "9"
    & skf18("10","3","10","4","6","6","1") = "9"
    & skf18("10","3","10","4","6","7","1") = "9"
    & skf18("10","3","10","4","6","8","1") = "9"
    & skf18("10","3","10","4","6","9","1") = "9"
    & skf18("10","3","10","4","6","10","1") = "9"
    & skf18("10","3","10","4","7","1","1") = "9"
    & skf18("10","3","10","4","7","2","1") = "9"
    & skf18("10","3","10","4","7","3","1") = "9"
    & skf18("10","3","10","4","7","4","1") = "9"
    & skf18("10","3","10","4","7","5","1") = "9"
    & skf18("10","3","10","4","7","6","1") = "9"
    & skf18("10","3","10","4","7","7","1") = "9"
    & skf18("10","3","10","4","7","8","1") = "9"
    & skf18("10","3","10","4","7","9","1") = "9"
    & skf18("10","3","10","4","7","10","1") = "9"
    & skf18("10","3","10","4","8","1","1") = "9"
    & skf18("10","3","10","4","8","2","1") = "9"
    & skf18("10","3","10","4","8","3","1") = "9"
    & skf18("10","3","10","4","8","4","1") = "9"
    & skf18("10","3","10","4","8","5","1") = "9"
    & skf18("10","3","10","4","8","6","1") = "9"
    & skf18("10","3","10","4","8","7","1") = "9"
    & skf18("10","3","10","4","8","8","1") = "9"
    & skf18("10","3","10","4","8","9","1") = "9"
    & skf18("10","3","10","4","8","10","1") = "9"
    & skf18("10","3","10","4","9","1","1") = "9"
    & skf18("10","3","10","4","9","2","1") = "9"
    & skf18("10","3","10","4","9","3","1") = "9"
    & skf18("10","3","10","4","9","4","1") = "9"
    & skf18("10","3","10","4","9","5","1") = "9"
    & skf18("10","3","10","4","9","6","1") = "9"
    & skf18("10","3","10","4","9","7","1") = "9"
    & skf18("10","3","10","4","9","8","1") = "9"
    & skf18("10","3","10","4","9","9","1") = "9"
    & skf18("10","3","10","4","9","10","1") = "9"
    & skf18("10","3","10","4","10","1","1") = "9"
    & skf18("10","3","10","4","10","2","1") = "9"
    & skf18("10","3","10","4","10","3","1") = "9"
    & skf18("10","3","10","4","10","4","1") = "9"
    & skf18("10","3","10","4","10","5","1") = "9"
    & skf18("10","3","10","4","10","6","1") = "9"
    & skf18("10","3","10","4","10","7","1") = "9"
    & skf18("10","3","10","4","10","8","1") = "9"
    & skf18("10","3","10","4","10","9","1") = "9"
    & skf18("10","3","10","4","10","10","1") = "9"
    & skf18("10","3","10","5","1","1","1") = "9"
    & skf18("10","3","10","5","1","2","1") = "9"
    & skf18("10","3","10","5","1","3","1") = "9"
    & skf18("10","3","10","5","1","4","1") = "9"
    & skf18("10","3","10","5","1","5","1") = "9"
    & skf18("10","3","10","5","1","6","1") = "9"
    & skf18("10","3","10","5","1","7","1") = "9"
    & skf18("10","3","10","5","1","8","1") = "9"
    & skf18("10","3","10","5","1","9","1") = "9"
    & skf18("10","3","10","5","1","10","1") = "9"
    & skf18("10","3","10","5","2","1","1") = "9"
    & skf18("10","3","10","5","2","2","1") = "9"
    & skf18("10","3","10","5","2","3","1") = "9"
    & skf18("10","3","10","5","2","4","1") = "9"
    & skf18("10","3","10","5","2","5","1") = "9"
    & skf18("10","3","10","5","2","6","1") = "9"
    & skf18("10","3","10","5","2","7","1") = "9"
    & skf18("10","3","10","5","2","8","1") = "9"
    & skf18("10","3","10","5","2","9","1") = "9"
    & skf18("10","3","10","5","2","10","1") = "9"
    & skf18("10","3","10","5","3","1","1") = "9"
    & skf18("10","3","10","5","3","2","1") = "9"
    & skf18("10","3","10","5","3","3","1") = "9"
    & skf18("10","3","10","5","3","4","1") = "9"
    & skf18("10","3","10","5","3","5","1") = "9"
    & skf18("10","3","10","5","3","6","1") = "9"
    & skf18("10","3","10","5","3","7","1") = "9"
    & skf18("10","3","10","5","3","8","1") = "9"
    & skf18("10","3","10","5","3","9","1") = "9"
    & skf18("10","3","10","5","3","10","1") = "9"
    & skf18("10","3","10","5","4","1","1") = "9"
    & skf18("10","3","10","5","4","2","1") = "9"
    & skf18("10","3","10","5","4","3","1") = "9"
    & skf18("10","3","10","5","4","4","1") = "9"
    & skf18("10","3","10","5","4","5","1") = "9"
    & skf18("10","3","10","5","4","6","1") = "9"
    & skf18("10","3","10","5","4","7","1") = "9"
    & skf18("10","3","10","5","4","8","1") = "9"
    & skf18("10","3","10","5","4","9","1") = "9"
    & skf18("10","3","10","5","4","10","1") = "9"
    & skf18("10","3","10","5","5","1","1") = "9"
    & skf18("10","3","10","5","5","2","1") = "9"
    & skf18("10","3","10","5","5","3","1") = "9"
    & skf18("10","3","10","5","5","4","1") = "9"
    & skf18("10","3","10","5","5","5","1") = "9"
    & skf18("10","3","10","5","5","6","1") = "9"
    & skf18("10","3","10","5","5","7","1") = "9"
    & skf18("10","3","10","5","5","8","1") = "9"
    & skf18("10","3","10","5","5","9","1") = "9"
    & skf18("10","3","10","5","5","10","1") = "9"
    & skf18("10","3","10","5","6","1","1") = "9"
    & skf18("10","3","10","5","6","2","1") = "9"
    & skf18("10","3","10","5","6","3","1") = "9"
    & skf18("10","3","10","5","6","4","1") = "9"
    & skf18("10","3","10","5","6","5","1") = "9"
    & skf18("10","3","10","5","6","6","1") = "9"
    & skf18("10","3","10","5","6","7","1") = "9"
    & skf18("10","3","10","5","6","8","1") = "9"
    & skf18("10","3","10","5","6","9","1") = "9"
    & skf18("10","3","10","5","6","10","1") = "9"
    & skf18("10","3","10","5","7","1","1") = "9"
    & skf18("10","3","10","5","7","2","1") = "9"
    & skf18("10","3","10","5","7","3","1") = "9"
    & skf18("10","3","10","5","7","4","1") = "9"
    & skf18("10","3","10","5","7","5","1") = "9"
    & skf18("10","3","10","5","7","6","1") = "9"
    & skf18("10","3","10","5","7","7","1") = "9"
    & skf18("10","3","10","5","7","8","1") = "9"
    & skf18("10","3","10","5","7","9","1") = "9"
    & skf18("10","3","10","5","7","10","1") = "9"
    & skf18("10","3","10","5","8","1","1") = "9"
    & skf18("10","3","10","5","8","2","1") = "9"
    & skf18("10","3","10","5","8","3","1") = "9"
    & skf18("10","3","10","5","8","4","1") = "9"
    & skf18("10","3","10","5","8","5","1") = "9"
    & skf18("10","3","10","5","8","6","1") = "9"
    & skf18("10","3","10","5","8","7","1") = "9"
    & skf18("10","3","10","5","8","8","1") = "9"
    & skf18("10","3","10","5","8","9","1") = "9"
    & skf18("10","3","10","5","8","10","1") = "9"
    & skf18("10","3","10","5","9","1","1") = "9"
    & skf18("10","3","10","5","9","2","1") = "9"
    & skf18("10","3","10","5","9","3","1") = "9"
    & skf18("10","3","10","5","9","4","1") = "9"
    & skf18("10","3","10","5","9","5","1") = "9"
    & skf18("10","3","10","5","9","6","1") = "9"
    & skf18("10","3","10","5","9","7","1") = "9"
    & skf18("10","3","10","5","9","8","1") = "9"
    & skf18("10","3","10","5","9","9","1") = "9"
    & skf18("10","3","10","5","9","10","1") = "9"
    & skf18("10","3","10","5","10","1","1") = "9"
    & skf18("10","3","10","5","10","2","1") = "9"
    & skf18("10","3","10","5","10","3","1") = "9"
    & skf18("10","3","10","5","10","4","1") = "9"
    & skf18("10","3","10","5","10","5","1") = "9"
    & skf18("10","3","10","5","10","6","1") = "9"
    & skf18("10","3","10","5","10","7","1") = "9"
    & skf18("10","3","10","5","10","8","1") = "9"
    & skf18("10","3","10","5","10","9","1") = "9"
    & skf18("10","3","10","5","10","10","1") = "9"
    & skf18("10","3","10","6","1","1","1") = "9"
    & skf18("10","3","10","6","1","2","1") = "9"
    & skf18("10","3","10","6","1","3","1") = "9"
    & skf18("10","3","10","6","1","4","1") = "9"
    & skf18("10","3","10","6","1","5","1") = "9"
    & skf18("10","3","10","6","1","6","1") = "9"
    & skf18("10","3","10","6","1","7","1") = "9"
    & skf18("10","3","10","6","1","8","1") = "9"
    & skf18("10","3","10","6","1","9","1") = "9"
    & skf18("10","3","10","6","1","10","1") = "9"
    & skf18("10","3","10","6","2","1","1") = "9"
    & skf18("10","3","10","6","2","2","1") = "9"
    & skf18("10","3","10","6","2","3","1") = "9"
    & skf18("10","3","10","6","2","4","1") = "9"
    & skf18("10","3","10","6","2","5","1") = "9"
    & skf18("10","3","10","6","2","6","1") = "9"
    & skf18("10","3","10","6","2","7","1") = "9"
    & skf18("10","3","10","6","2","8","1") = "9"
    & skf18("10","3","10","6","2","9","1") = "9"
    & skf18("10","3","10","6","2","10","1") = "9"
    & skf18("10","3","10","6","3","1","1") = "9"
    & skf18("10","3","10","6","3","2","1") = "9"
    & skf18("10","3","10","6","3","3","1") = "9"
    & skf18("10","3","10","6","3","4","1") = "9"
    & skf18("10","3","10","6","3","5","1") = "9"
    & skf18("10","3","10","6","3","6","1") = "9"
    & skf18("10","3","10","6","3","7","1") = "9"
    & skf18("10","3","10","6","3","8","1") = "9"
    & skf18("10","3","10","6","3","9","1") = "9"
    & skf18("10","3","10","6","3","10","1") = "9"
    & skf18("10","3","10","6","4","1","1") = "9"
    & skf18("10","3","10","6","4","2","1") = "9"
    & skf18("10","3","10","6","4","3","1") = "9"
    & skf18("10","3","10","6","4","4","1") = "9"
    & skf18("10","3","10","6","4","5","1") = "9"
    & skf18("10","3","10","6","4","6","1") = "9"
    & skf18("10","3","10","6","4","7","1") = "9"
    & skf18("10","3","10","6","4","8","1") = "9"
    & skf18("10","3","10","6","4","9","1") = "9"
    & skf18("10","3","10","6","4","10","1") = "9"
    & skf18("10","3","10","6","5","1","1") = "9"
    & skf18("10","3","10","6","5","2","1") = "9"
    & skf18("10","3","10","6","5","3","1") = "9"
    & skf18("10","3","10","6","5","4","1") = "9"
    & skf18("10","3","10","6","5","5","1") = "9"
    & skf18("10","3","10","6","5","6","1") = "9"
    & skf18("10","3","10","6","5","7","1") = "9"
    & skf18("10","3","10","6","5","8","1") = "9"
    & skf18("10","3","10","6","5","9","1") = "9"
    & skf18("10","3","10","6","5","10","1") = "9"
    & skf18("10","3","10","6","6","1","1") = "9"
    & skf18("10","3","10","6","6","2","1") = "9"
    & skf18("10","3","10","6","6","3","1") = "9"
    & skf18("10","3","10","6","6","4","1") = "9"
    & skf18("10","3","10","6","6","5","1") = "9"
    & skf18("10","3","10","6","6","6","1") = "9"
    & skf18("10","3","10","6","6","7","1") = "9"
    & skf18("10","3","10","6","6","8","1") = "9"
    & skf18("10","3","10","6","6","9","1") = "9"
    & skf18("10","3","10","6","6","10","1") = "9"
    & skf18("10","3","10","6","7","1","1") = "9"
    & skf18("10","3","10","6","7","2","1") = "9"
    & skf18("10","3","10","6","7","3","1") = "9"
    & skf18("10","3","10","6","7","4","1") = "9"
    & skf18("10","3","10","6","7","5","1") = "9"
    & skf18("10","3","10","6","7","6","1") = "9"
    & skf18("10","3","10","6","7","7","1") = "9"
    & skf18("10","3","10","6","7","8","1") = "9"
    & skf18("10","3","10","6","7","9","1") = "9"
    & skf18("10","3","10","6","7","10","1") = "9"
    & skf18("10","3","10","6","8","1","1") = "9"
    & skf18("10","3","10","6","8","2","1") = "9"
    & skf18("10","3","10","6","8","3","1") = "9"
    & skf18("10","3","10","6","8","4","1") = "9"
    & skf18("10","3","10","6","8","5","1") = "9"
    & skf18("10","3","10","6","8","6","1") = "9"
    & skf18("10","3","10","6","8","7","1") = "9"
    & skf18("10","3","10","6","8","8","1") = "9"
    & skf18("10","3","10","6","8","9","1") = "9"
    & skf18("10","3","10","6","8","10","1") = "9"
    & skf18("10","3","10","6","9","1","1") = "9"
    & skf18("10","3","10","6","9","2","1") = "9"
    & skf18("10","3","10","6","9","3","1") = "9"
    & skf18("10","3","10","6","9","4","1") = "9"
    & skf18("10","3","10","6","9","5","1") = "9"
    & skf18("10","3","10","6","9","6","1") = "9"
    & skf18("10","3","10","6","9","7","1") = "9"
    & skf18("10","3","10","6","9","8","1") = "9"
    & skf18("10","3","10","6","9","9","1") = "9"
    & skf18("10","3","10","6","9","10","1") = "9"
    & skf18("10","3","10","6","10","1","1") = "9"
    & skf18("10","3","10","6","10","2","1") = "9"
    & skf18("10","3","10","6","10","3","1") = "9"
    & skf18("10","3","10","6","10","4","1") = "9"
    & skf18("10","3","10","6","10","5","1") = "9"
    & skf18("10","3","10","6","10","6","1") = "9"
    & skf18("10","3","10","6","10","7","1") = "9"
    & skf18("10","3","10","6","10","8","1") = "9"
    & skf18("10","3","10","6","10","9","1") = "9"
    & skf18("10","3","10","6","10","10","1") = "9"
    & skf18("10","3","10","7","1","1","1") = "9"
    & skf18("10","3","10","7","1","2","1") = "9"
    & skf18("10","3","10","7","1","3","1") = "9"
    & skf18("10","3","10","7","1","4","1") = "9"
    & skf18("10","3","10","7","1","5","1") = "9"
    & skf18("10","3","10","7","1","6","1") = "9"
    & skf18("10","3","10","7","1","7","1") = "9"
    & skf18("10","3","10","7","1","8","1") = "9"
    & skf18("10","3","10","7","1","9","1") = "9"
    & skf18("10","3","10","7","1","10","1") = "9"
    & skf18("10","3","10","7","2","1","1") = "9"
    & skf18("10","3","10","7","2","2","1") = "9"
    & skf18("10","3","10","7","2","3","1") = "9"
    & skf18("10","3","10","7","2","4","1") = "9"
    & skf18("10","3","10","7","2","5","1") = "9"
    & skf18("10","3","10","7","2","6","1") = "9"
    & skf18("10","3","10","7","2","7","1") = "9"
    & skf18("10","3","10","7","2","8","1") = "9"
    & skf18("10","3","10","7","2","9","1") = "9"
    & skf18("10","3","10","7","2","10","1") = "9"
    & skf18("10","3","10","7","3","1","1") = "9"
    & skf18("10","3","10","7","3","2","1") = "9"
    & skf18("10","3","10","7","3","3","1") = "9"
    & skf18("10","3","10","7","3","4","1") = "9"
    & skf18("10","3","10","7","3","5","1") = "9"
    & skf18("10","3","10","7","3","6","1") = "9"
    & skf18("10","3","10","7","3","7","1") = "9"
    & skf18("10","3","10","7","3","8","1") = "9"
    & skf18("10","3","10","7","3","9","1") = "9"
    & skf18("10","3","10","7","3","10","1") = "9"
    & skf18("10","3","10","7","4","1","1") = "9"
    & skf18("10","3","10","7","4","2","1") = "9"
    & skf18("10","3","10","7","4","3","1") = "9"
    & skf18("10","3","10","7","4","4","1") = "9"
    & skf18("10","3","10","7","4","5","1") = "9"
    & skf18("10","3","10","7","4","6","1") = "9"
    & skf18("10","3","10","7","4","7","1") = "9"
    & skf18("10","3","10","7","4","8","1") = "9"
    & skf18("10","3","10","7","4","9","1") = "9"
    & skf18("10","3","10","7","4","10","1") = "9"
    & skf18("10","3","10","7","5","1","1") = "9"
    & skf18("10","3","10","7","5","2","1") = "9"
    & skf18("10","3","10","7","5","3","1") = "9"
    & skf18("10","3","10","7","5","4","1") = "9"
    & skf18("10","3","10","7","5","5","1") = "9"
    & skf18("10","3","10","7","5","6","1") = "9"
    & skf18("10","3","10","7","5","7","1") = "9"
    & skf18("10","3","10","7","5","8","1") = "9"
    & skf18("10","3","10","7","5","9","1") = "9"
    & skf18("10","3","10","7","5","10","1") = "9"
    & skf18("10","3","10","7","6","1","1") = "9"
    & skf18("10","3","10","7","6","2","1") = "9"
    & skf18("10","3","10","7","6","3","1") = "9"
    & skf18("10","3","10","7","6","4","1") = "9"
    & skf18("10","3","10","7","6","5","1") = "9"
    & skf18("10","3","10","7","6","6","1") = "9"
    & skf18("10","3","10","7","6","7","1") = "9"
    & skf18("10","3","10","7","6","8","1") = "9"
    & skf18("10","3","10","7","6","9","1") = "9"
    & skf18("10","3","10","7","6","10","1") = "9"
    & skf18("10","3","10","7","7","1","1") = "9"
    & skf18("10","3","10","7","7","2","1") = "9"
    & skf18("10","3","10","7","7","3","1") = "9"
    & skf18("10","3","10","7","7","4","1") = "9"
    & skf18("10","3","10","7","7","5","1") = "9"
    & skf18("10","3","10","7","7","6","1") = "9"
    & skf18("10","3","10","7","7","7","1") = "9"
    & skf18("10","3","10","7","7","8","1") = "9"
    & skf18("10","3","10","7","7","9","1") = "9"
    & skf18("10","3","10","7","7","10","1") = "9"
    & skf18("10","3","10","7","8","1","1") = "9"
    & skf18("10","3","10","7","8","2","1") = "9"
    & skf18("10","3","10","7","8","3","1") = "9"
    & skf18("10","3","10","7","8","4","1") = "9"
    & skf18("10","3","10","7","8","5","1") = "9"
    & skf18("10","3","10","7","8","6","1") = "9"
    & skf18("10","3","10","7","8","7","1") = "9"
    & skf18("10","3","10","7","8","8","1") = "9"
    & skf18("10","3","10","7","8","9","1") = "9"
    & skf18("10","3","10","7","8","10","1") = "9"
    & skf18("10","3","10","7","9","1","1") = "9"
    & skf18("10","3","10","7","9","2","1") = "9"
    & skf18("10","3","10","7","9","3","1") = "9"
    & skf18("10","3","10","7","9","4","1") = "9"
    & skf18("10","3","10","7","9","5","1") = "9"
    & skf18("10","3","10","7","9","6","1") = "9"
    & skf18("10","3","10","7","9","7","1") = "9"
    & skf18("10","3","10","7","9","8","1") = "9"
    & skf18("10","3","10","7","9","9","1") = "9"
    & skf18("10","3","10","7","9","10","1") = "9"
    & skf18("10","3","10","7","10","1","1") = "9"
    & skf18("10","3","10","7","10","2","1") = "9"
    & skf18("10","3","10","7","10","3","1") = "9"
    & skf18("10","3","10","7","10","4","1") = "9"
    & skf18("10","3","10","7","10","5","1") = "9"
    & skf18("10","3","10","7","10","6","1") = "9"
    & skf18("10","3","10","7","10","7","1") = "9"
    & skf18("10","3","10","7","10","8","1") = "9"
    & skf18("10","3","10","7","10","9","1") = "9"
    & skf18("10","3","10","7","10","10","1") = "9"
    & skf18("10","3","10","8","1","1","1") = "9"
    & skf18("10","3","10","8","1","2","1") = "9"
    & skf18("10","3","10","8","1","3","1") = "9"
    & skf18("10","3","10","8","1","4","1") = "9"
    & skf18("10","3","10","8","1","5","1") = "9"
    & skf18("10","3","10","8","1","6","1") = "9"
    & skf18("10","3","10","8","1","7","1") = "9"
    & skf18("10","3","10","8","1","8","1") = "9"
    & skf18("10","3","10","8","1","9","1") = "9"
    & skf18("10","3","10","8","1","10","1") = "9"
    & skf18("10","3","10","8","2","1","1") = "9"
    & skf18("10","3","10","8","2","2","1") = "9"
    & skf18("10","3","10","8","2","3","1") = "9"
    & skf18("10","3","10","8","2","4","1") = "9"
    & skf18("10","3","10","8","2","5","1") = "9"
    & skf18("10","3","10","8","2","6","1") = "9"
    & skf18("10","3","10","8","2","7","1") = "9"
    & skf18("10","3","10","8","2","8","1") = "9"
    & skf18("10","3","10","8","2","9","1") = "9"
    & skf18("10","3","10","8","2","10","1") = "9"
    & skf18("10","3","10","8","3","1","1") = "9"
    & skf18("10","3","10","8","3","2","1") = "9"
    & skf18("10","3","10","8","3","3","1") = "9"
    & skf18("10","3","10","8","3","4","1") = "9"
    & skf18("10","3","10","8","3","5","1") = "9"
    & skf18("10","3","10","8","3","6","1") = "9"
    & skf18("10","3","10","8","3","7","1") = "9"
    & skf18("10","3","10","8","3","8","1") = "9"
    & skf18("10","3","10","8","3","9","1") = "9"
    & skf18("10","3","10","8","3","10","1") = "9"
    & skf18("10","3","10","8","4","1","1") = "9"
    & skf18("10","3","10","8","4","2","1") = "9"
    & skf18("10","3","10","8","4","3","1") = "9"
    & skf18("10","3","10","8","4","4","1") = "9"
    & skf18("10","3","10","8","4","5","1") = "9"
    & skf18("10","3","10","8","4","6","1") = "9"
    & skf18("10","3","10","8","4","7","1") = "9"
    & skf18("10","3","10","8","4","8","1") = "9"
    & skf18("10","3","10","8","4","9","1") = "9"
    & skf18("10","3","10","8","4","10","1") = "9"
    & skf18("10","3","10","8","5","1","1") = "9"
    & skf18("10","3","10","8","5","2","1") = "9"
    & skf18("10","3","10","8","5","3","1") = "9"
    & skf18("10","3","10","8","5","4","1") = "9"
    & skf18("10","3","10","8","5","5","1") = "9"
    & skf18("10","3","10","8","5","6","1") = "9"
    & skf18("10","3","10","8","5","7","1") = "9"
    & skf18("10","3","10","8","5","8","1") = "9"
    & skf18("10","3","10","8","5","9","1") = "9"
    & skf18("10","3","10","8","5","10","1") = "9"
    & skf18("10","3","10","8","6","1","1") = "9"
    & skf18("10","3","10","8","6","2","1") = "9"
    & skf18("10","3","10","8","6","3","1") = "9"
    & skf18("10","3","10","8","6","4","1") = "9"
    & skf18("10","3","10","8","6","5","1") = "9"
    & skf18("10","3","10","8","6","6","1") = "9"
    & skf18("10","3","10","8","6","7","1") = "9"
    & skf18("10","3","10","8","6","8","1") = "9"
    & skf18("10","3","10","8","6","9","1") = "9"
    & skf18("10","3","10","8","6","10","1") = "9"
    & skf18("10","3","10","8","7","1","1") = "9"
    & skf18("10","3","10","8","7","2","1") = "9"
    & skf18("10","3","10","8","7","3","1") = "9"
    & skf18("10","3","10","8","7","4","1") = "9"
    & skf18("10","3","10","8","7","5","1") = "9"
    & skf18("10","3","10","8","7","6","1") = "9"
    & skf18("10","3","10","8","7","7","1") = "9"
    & skf18("10","3","10","8","7","8","1") = "9"
    & skf18("10","3","10","8","7","9","1") = "9"
    & skf18("10","3","10","8","7","10","1") = "9"
    & skf18("10","3","10","8","8","1","1") = "9"
    & skf18("10","3","10","8","8","2","1") = "9"
    & skf18("10","3","10","8","8","3","1") = "9"
    & skf18("10","3","10","8","8","4","1") = "9"
    & skf18("10","3","10","8","8","5","1") = "9"
    & skf18("10","3","10","8","8","6","1") = "9"
    & skf18("10","3","10","8","8","7","1") = "9"
    & skf18("10","3","10","8","8","8","1") = "9"
    & skf18("10","3","10","8","8","9","1") = "9"
    & skf18("10","3","10","8","8","10","1") = "9"
    & skf18("10","3","10","8","9","1","1") = "9"
    & skf18("10","3","10","8","9","2","1") = "9"
    & skf18("10","3","10","8","9","3","1") = "9"
    & skf18("10","3","10","8","9","4","1") = "9"
    & skf18("10","3","10","8","9","5","1") = "9"
    & skf18("10","3","10","8","9","6","1") = "9"
    & skf18("10","3","10","8","9","7","1") = "9"
    & skf18("10","3","10","8","9","8","1") = "9"
    & skf18("10","3","10","8","9","9","1") = "9"
    & skf18("10","3","10","8","9","10","1") = "9"
    & skf18("10","3","10","8","10","1","1") = "9"
    & skf18("10","3","10","8","10","2","1") = "9"
    & skf18("10","3","10","8","10","3","1") = "9"
    & skf18("10","3","10","8","10","4","1") = "9"
    & skf18("10","3","10","8","10","5","1") = "9"
    & skf18("10","3","10","8","10","6","1") = "9"
    & skf18("10","3","10","8","10","7","1") = "9"
    & skf18("10","3","10","8","10","8","1") = "9"
    & skf18("10","3","10","8","10","9","1") = "9"
    & skf18("10","3","10","8","10","10","1") = "9"
    & skf18("10","3","10","9","1","1","1") = "9"
    & skf18("10","3","10","9","1","2","1") = "9"
    & skf18("10","3","10","9","1","3","1") = "9"
    & skf18("10","3","10","9","1","4","1") = "9"
    & skf18("10","3","10","9","1","5","1") = "9"
    & skf18("10","3","10","9","1","6","1") = "9"
    & skf18("10","3","10","9","1","7","1") = "9"
    & skf18("10","3","10","9","1","8","1") = "9"
    & skf18("10","3","10","9","1","9","1") = "9"
    & skf18("10","3","10","9","1","10","1") = "9"
    & skf18("10","3","10","9","2","1","1") = "9"
    & skf18("10","3","10","9","2","2","1") = "9"
    & skf18("10","3","10","9","2","3","1") = "9"
    & skf18("10","3","10","9","2","4","1") = "9"
    & skf18("10","3","10","9","2","5","1") = "9"
    & skf18("10","3","10","9","2","6","1") = "9"
    & skf18("10","3","10","9","2","7","1") = "9"
    & skf18("10","3","10","9","2","8","1") = "9"
    & skf18("10","3","10","9","2","9","1") = "9"
    & skf18("10","3","10","9","2","10","1") = "9"
    & skf18("10","3","10","9","3","1","1") = "9"
    & skf18("10","3","10","9","3","2","1") = "9"
    & skf18("10","3","10","9","3","3","1") = "9"
    & skf18("10","3","10","9","3","4","1") = "9"
    & skf18("10","3","10","9","3","5","1") = "9"
    & skf18("10","3","10","9","3","6","1") = "9"
    & skf18("10","3","10","9","3","7","1") = "9"
    & skf18("10","3","10","9","3","8","1") = "9"
    & skf18("10","3","10","9","3","9","1") = "9"
    & skf18("10","3","10","9","3","10","1") = "9"
    & skf18("10","3","10","9","4","1","1") = "9"
    & skf18("10","3","10","9","4","2","1") = "9"
    & skf18("10","3","10","9","4","3","1") = "9"
    & skf18("10","3","10","9","4","4","1") = "9"
    & skf18("10","3","10","9","4","5","1") = "9"
    & skf18("10","3","10","9","4","6","1") = "9"
    & skf18("10","3","10","9","4","7","1") = "9"
    & skf18("10","3","10","9","4","8","1") = "9"
    & skf18("10","3","10","9","4","9","1") = "9"
    & skf18("10","3","10","9","4","10","1") = "9"
    & skf18("10","3","10","9","5","1","1") = "9"
    & skf18("10","3","10","9","5","2","1") = "9"
    & skf18("10","3","10","9","5","3","1") = "9"
    & skf18("10","3","10","9","5","4","1") = "9"
    & skf18("10","3","10","9","5","5","1") = "9"
    & skf18("10","3","10","9","5","6","1") = "9"
    & skf18("10","3","10","9","5","7","1") = "9"
    & skf18("10","3","10","9","5","8","1") = "9"
    & skf18("10","3","10","9","5","9","1") = "9"
    & skf18("10","3","10","9","5","10","1") = "9"
    & skf18("10","3","10","9","6","1","1") = "9"
    & skf18("10","3","10","9","6","2","1") = "9"
    & skf18("10","3","10","9","6","3","1") = "9"
    & skf18("10","3","10","9","6","4","1") = "9"
    & skf18("10","3","10","9","6","5","1") = "9"
    & skf18("10","3","10","9","6","6","1") = "9"
    & skf18("10","3","10","9","6","7","1") = "9"
    & skf18("10","3","10","9","6","8","1") = "9"
    & skf18("10","3","10","9","6","9","1") = "9"
    & skf18("10","3","10","9","6","10","1") = "9"
    & skf18("10","3","10","9","7","1","1") = "9"
    & skf18("10","3","10","9","7","2","1") = "9"
    & skf18("10","3","10","9","7","3","1") = "9"
    & skf18("10","3","10","9","7","4","1") = "9"
    & skf18("10","3","10","9","7","5","1") = "9"
    & skf18("10","3","10","9","7","6","1") = "9"
    & skf18("10","3","10","9","7","7","1") = "9"
    & skf18("10","3","10","9","7","8","1") = "9"
    & skf18("10","3","10","9","7","9","1") = "9"
    & skf18("10","3","10","9","7","10","1") = "9"
    & skf18("10","3","10","9","8","1","1") = "9"
    & skf18("10","3","10","9","8","2","1") = "9"
    & skf18("10","3","10","9","8","3","1") = "9"
    & skf18("10","3","10","9","8","4","1") = "9"
    & skf18("10","3","10","9","8","5","1") = "9"
    & skf18("10","3","10","9","8","6","1") = "9"
    & skf18("10","3","10","9","8","7","1") = "9"
    & skf18("10","3","10","9","8","8","1") = "9"
    & skf18("10","3","10","9","8","9","1") = "9"
    & skf18("10","3","10","9","8","10","1") = "9"
    & skf18("10","3","10","9","9","1","1") = "9"
    & skf18("10","3","10","9","9","2","1") = "9"
    & skf18("10","3","10","9","9","3","1") = "9"
    & skf18("10","3","10","9","9","4","1") = "9"
    & skf18("10","3","10","9","9","5","1") = "9"
    & skf18("10","3","10","9","9","6","1") = "9"
    & skf18("10","3","10","9","9","7","1") = "9"
    & skf18("10","3","10","9","9","8","1") = "9"
    & skf18("10","3","10","9","9","9","1") = "9"
    & skf18("10","3","10","9","9","10","1") = "9"
    & skf18("10","3","10","9","10","1","1") = "9"
    & skf18("10","3","10","9","10","2","1") = "9"
    & skf18("10","3","10","9","10","3","1") = "9"
    & skf18("10","3","10","9","10","4","1") = "9"
    & skf18("10","3","10","9","10","5","1") = "9"
    & skf18("10","3","10","9","10","6","1") = "9"
    & skf18("10","3","10","9","10","7","1") = "9"
    & skf18("10","3","10","9","10","8","1") = "9"
    & skf18("10","3","10","9","10","9","1") = "9"
    & skf18("10","3","10","9","10","10","1") = "9"
    & skf18("10","3","10","10","1","1","1") = "9"
    & skf18("10","3","10","10","1","2","1") = "9"
    & skf18("10","3","10","10","1","3","1") = "9"
    & skf18("10","3","10","10","1","4","1") = "9"
    & skf18("10","3","10","10","1","5","1") = "9"
    & skf18("10","3","10","10","1","6","1") = "9"
    & skf18("10","3","10","10","1","7","1") = "9"
    & skf18("10","3","10","10","1","8","1") = "9"
    & skf18("10","3","10","10","1","9","1") = "9"
    & skf18("10","3","10","10","1","10","1") = "9"
    & skf18("10","3","10","10","2","1","1") = "9"
    & skf18("10","3","10","10","2","2","1") = "9"
    & skf18("10","3","10","10","2","3","1") = "9"
    & skf18("10","3","10","10","2","4","1") = "9"
    & skf18("10","3","10","10","2","5","1") = "9"
    & skf18("10","3","10","10","2","6","1") = "9"
    & skf18("10","3","10","10","2","7","1") = "9"
    & skf18("10","3","10","10","2","8","1") = "9"
    & skf18("10","3","10","10","2","9","1") = "9"
    & skf18("10","3","10","10","2","10","1") = "9"
    & skf18("10","3","10","10","3","1","1") = "9"
    & skf18("10","3","10","10","3","2","1") = "9"
    & skf18("10","3","10","10","3","3","1") = "9"
    & skf18("10","3","10","10","3","4","1") = "9"
    & skf18("10","3","10","10","3","5","1") = "9"
    & skf18("10","3","10","10","3","6","1") = "9"
    & skf18("10","3","10","10","3","7","1") = "9"
    & skf18("10","3","10","10","3","8","1") = "9"
    & skf18("10","3","10","10","3","9","1") = "9"
    & skf18("10","3","10","10","3","10","1") = "9"
    & skf18("10","3","10","10","4","1","1") = "9"
    & skf18("10","3","10","10","4","2","1") = "9"
    & skf18("10","3","10","10","4","3","1") = "9"
    & skf18("10","3","10","10","4","4","1") = "9"
    & skf18("10","3","10","10","4","5","1") = "9"
    & skf18("10","3","10","10","4","6","1") = "9"
    & skf18("10","3","10","10","4","7","1") = "9"
    & skf18("10","3","10","10","4","8","1") = "9"
    & skf18("10","3","10","10","4","9","1") = "9"
    & skf18("10","3","10","10","4","10","1") = "9"
    & skf18("10","3","10","10","5","1","1") = "9"
    & skf18("10","3","10","10","5","2","1") = "9"
    & skf18("10","3","10","10","5","3","1") = "9"
    & skf18("10","3","10","10","5","4","1") = "9"
    & skf18("10","3","10","10","5","5","1") = "9"
    & skf18("10","3","10","10","5","6","1") = "9"
    & skf18("10","3","10","10","5","7","1") = "9"
    & skf18("10","3","10","10","5","8","1") = "9"
    & skf18("10","3","10","10","5","9","1") = "9"
    & skf18("10","3","10","10","5","10","1") = "9"
    & skf18("10","3","10","10","6","1","1") = "9"
    & skf18("10","3","10","10","6","2","1") = "9"
    & skf18("10","3","10","10","6","3","1") = "9"
    & skf18("10","3","10","10","6","4","1") = "9"
    & skf18("10","3","10","10","6","5","1") = "9"
    & skf18("10","3","10","10","6","6","1") = "9"
    & skf18("10","3","10","10","6","7","1") = "9"
    & skf18("10","3","10","10","6","8","1") = "9"
    & skf18("10","3","10","10","6","9","1") = "9"
    & skf18("10","3","10","10","6","10","1") = "9"
    & skf18("10","3","10","10","7","1","1") = "9"
    & skf18("10","3","10","10","7","2","1") = "9"
    & skf18("10","3","10","10","7","3","1") = "9"
    & skf18("10","3","10","10","7","4","1") = "9"
    & skf18("10","3","10","10","7","5","1") = "9"
    & skf18("10","3","10","10","7","6","1") = "9"
    & skf18("10","3","10","10","7","7","1") = "9"
    & skf18("10","3","10","10","7","8","1") = "9"
    & skf18("10","3","10","10","7","9","1") = "9"
    & skf18("10","3","10","10","7","10","1") = "9"
    & skf18("10","3","10","10","8","1","1") = "9"
    & skf18("10","3","10","10","8","2","1") = "9"
    & skf18("10","3","10","10","8","3","1") = "9"
    & skf18("10","3","10","10","8","4","1") = "9"
    & skf18("10","3","10","10","8","5","1") = "9"
    & skf18("10","3","10","10","8","6","1") = "9"
    & skf18("10","3","10","10","8","7","1") = "9"
    & skf18("10","3","10","10","8","8","1") = "9"
    & skf18("10","3","10","10","8","9","1") = "9"
    & skf18("10","3","10","10","8","10","1") = "9"
    & skf18("10","3","10","10","9","1","1") = "9"
    & skf18("10","3","10","10","9","2","1") = "9"
    & skf18("10","3","10","10","9","3","1") = "9"
    & skf18("10","3","10","10","9","4","1") = "9"
    & skf18("10","3","10","10","9","5","1") = "9"
    & skf18("10","3","10","10","9","6","1") = "9"
    & skf18("10","3","10","10","9","7","1") = "9"
    & skf18("10","3","10","10","9","8","1") = "9"
    & skf18("10","3","10","10","9","9","1") = "9"
    & skf18("10","3","10","10","9","10","1") = "9"
    & skf18("10","3","10","10","10","1","1") = "9"
    & skf18("10","3","10","10","10","2","1") = "9"
    & skf18("10","3","10","10","10","3","1") = "9"
    & skf18("10","3","10","10","10","4","1") = "9"
    & skf18("10","3","10","10","10","5","1") = "9"
    & skf18("10","3","10","10","10","6","1") = "9"
    & skf18("10","3","10","10","10","7","1") = "9"
    & skf18("10","3","10","10","10","8","1") = "9"
    & skf18("10","3","10","10","10","9","1") = "9"
    & skf18("10","3","10","10","10","10","1") = "9"
    & skf18("10","4","1","1","1","1","1") = "9"
    & skf18("10","4","1","1","1","2","1") = "9"
    & skf18("10","4","1","1","1","3","1") = "9"
    & skf18("10","4","1","1","1","4","1") = "9"
    & skf18("10","4","1","1","1","5","1") = "9"
    & skf18("10","4","1","1","1","6","1") = "9"
    & skf18("10","4","1","1","1","7","1") = "9"
    & skf18("10","4","1","1","1","8","1") = "9"
    & skf18("10","4","1","1","1","9","1") = "9"
    & skf18("10","4","1","1","1","10","1") = "9"
    & skf18("10","4","1","1","2","1","1") = "9"
    & skf18("10","4","1","1","2","2","1") = "9"
    & skf18("10","4","1","1","2","3","1") = "9"
    & skf18("10","4","1","1","2","4","1") = "9"
    & skf18("10","4","1","1","2","5","1") = "9"
    & skf18("10","4","1","1","2","6","1") = "9"
    & skf18("10","4","1","1","2","7","1") = "9"
    & skf18("10","4","1","1","2","8","1") = "9"
    & skf18("10","4","1","1","2","9","1") = "9"
    & skf18("10","4","1","1","2","10","1") = "9"
    & skf18("10","4","1","1","3","1","1") = "9"
    & skf18("10","4","1","1","3","2","1") = "9"
    & skf18("10","4","1","1","3","3","1") = "9"
    & skf18("10","4","1","1","3","4","1") = "9"
    & skf18("10","4","1","1","3","5","1") = "9"
    & skf18("10","4","1","1","3","6","1") = "9"
    & skf18("10","4","1","1","3","7","1") = "9"
    & skf18("10","4","1","1","3","8","1") = "9"
    & skf18("10","4","1","1","3","9","1") = "9"
    & skf18("10","4","1","1","3","10","1") = "9"
    & skf18("10","4","1","1","4","1","1") = "9"
    & skf18("10","4","1","1","4","2","1") = "9"
    & skf18("10","4","1","1","4","3","1") = "9"
    & skf18("10","4","1","1","4","4","1") = "9"
    & skf18("10","4","1","1","4","5","1") = "9"
    & skf18("10","4","1","1","4","6","1") = "9"
    & skf18("10","4","1","1","4","7","1") = "9"
    & skf18("10","4","1","1","4","8","1") = "9"
    & skf18("10","4","1","1","4","9","1") = "9"
    & skf18("10","4","1","1","4","10","1") = "9"
    & skf18("10","4","1","1","5","1","1") = "9"
    & skf18("10","4","1","1","5","2","1") = "9"
    & skf18("10","4","1","1","5","3","1") = "9"
    & skf18("10","4","1","1","5","4","1") = "9"
    & skf18("10","4","1","1","5","5","1") = "9"
    & skf18("10","4","1","1","5","6","1") = "9"
    & skf18("10","4","1","1","5","7","1") = "9"
    & skf18("10","4","1","1","5","8","1") = "9"
    & skf18("10","4","1","1","5","9","1") = "9"
    & skf18("10","4","1","1","5","10","1") = "9"
    & skf18("10","4","1","1","6","1","1") = "9"
    & skf18("10","4","1","1","6","2","1") = "9"
    & skf18("10","4","1","1","6","3","1") = "9"
    & skf18("10","4","1","1","6","4","1") = "9"
    & skf18("10","4","1","1","6","5","1") = "9"
    & skf18("10","4","1","1","6","6","1") = "9"
    & skf18("10","4","1","1","6","7","1") = "9"
    & skf18("10","4","1","1","6","8","1") = "9"
    & skf18("10","4","1","1","6","9","1") = "9"
    & skf18("10","4","1","1","6","10","1") = "9"
    & skf18("10","4","1","1","7","1","1") = "9"
    & skf18("10","4","1","1","7","2","1") = "9"
    & skf18("10","4","1","1","7","3","1") = "9"
    & skf18("10","4","1","1","7","4","1") = "9"
    & skf18("10","4","1","1","7","5","1") = "9"
    & skf18("10","4","1","1","7","6","1") = "9"
    & skf18("10","4","1","1","7","7","1") = "9"
    & skf18("10","4","1","1","7","8","1") = "9"
    & skf18("10","4","1","1","7","9","1") = "9"
    & skf18("10","4","1","1","7","10","1") = "9"
    & skf18("10","4","1","1","8","1","1") = "9"
    & skf18("10","4","1","1","8","2","1") = "9"
    & skf18("10","4","1","1","8","3","1") = "9"
    & skf18("10","4","1","1","8","4","1") = "9"
    & skf18("10","4","1","1","8","5","1") = "9"
    & skf18("10","4","1","1","8","6","1") = "9"
    & skf18("10","4","1","1","8","7","1") = "9"
    & skf18("10","4","1","1","8","8","1") = "9"
    & skf18("10","4","1","1","8","9","1") = "9"
    & skf18("10","4","1","1","8","10","1") = "9"
    & skf18("10","4","1","1","9","1","1") = "9"
    & skf18("10","4","1","1","9","2","1") = "9"
    & skf18("10","4","1","1","9","3","1") = "9"
    & skf18("10","4","1","1","9","4","1") = "9"
    & skf18("10","4","1","1","9","5","1") = "9"
    & skf18("10","4","1","1","9","6","1") = "9"
    & skf18("10","4","1","1","9","7","1") = "9"
    & skf18("10","4","1","1","9","8","1") = "9"
    & skf18("10","4","1","1","9","9","1") = "9"
    & skf18("10","4","1","1","9","10","1") = "9"
    & skf18("10","4","1","1","10","1","1") = "9"
    & skf18("10","4","1","1","10","2","1") = "9"
    & skf18("10","4","1","1","10","3","1") = "9"
    & skf18("10","4","1","1","10","4","1") = "9"
    & skf18("10","4","1","1","10","5","1") = "9"
    & skf18("10","4","1","1","10","6","1") = "9"
    & skf18("10","4","1","1","10","7","1") = "9"
    & skf18("10","4","1","1","10","8","1") = "9"
    & skf18("10","4","1","1","10","9","1") = "9"
    & skf18("10","4","1","1","10","10","1") = "9"
    & skf18("10","4","1","2","1","1","1") = "9"
    & skf18("10","4","1","2","1","2","1") = "9"
    & skf18("10","4","1","2","1","3","1") = "9"
    & skf18("10","4","1","2","1","4","1") = "9"
    & skf18("10","4","1","2","1","5","1") = "9"
    & skf18("10","4","1","2","1","6","1") = "9"
    & skf18("10","4","1","2","1","7","1") = "9"
    & skf18("10","4","1","2","1","8","1") = "9"
    & skf18("10","4","1","2","1","9","1") = "9"
    & skf18("10","4","1","2","1","10","1") = "9"
    & skf18("10","4","1","2","2","1","1") = "9"
    & skf18("10","4","1","2","2","2","1") = "9"
    & skf18("10","4","1","2","2","3","1") = "9"
    & skf18("10","4","1","2","2","4","1") = "9"
    & skf18("10","4","1","2","2","5","1") = "9"
    & skf18("10","4","1","2","2","6","1") = "9"
    & skf18("10","4","1","2","2","7","1") = "9"
    & skf18("10","4","1","2","2","8","1") = "9"
    & skf18("10","4","1","2","2","9","1") = "9"
    & skf18("10","4","1","2","2","10","1") = "9"
    & skf18("10","4","1","2","3","1","1") = "9"
    & skf18("10","4","1","2","3","2","1") = "9"
    & skf18("10","4","1","2","3","3","1") = "9"
    & skf18("10","4","1","2","3","4","1") = "9"
    & skf18("10","4","1","2","3","5","1") = "9"
    & skf18("10","4","1","2","3","6","1") = "9"
    & skf18("10","4","1","2","3","7","1") = "9"
    & skf18("10","4","1","2","3","8","1") = "9"
    & skf18("10","4","1","2","3","9","1") = "9"
    & skf18("10","4","1","2","3","10","1") = "9"
    & skf18("10","4","1","2","4","1","1") = "9"
    & skf18("10","4","1","2","4","2","1") = "9"
    & skf18("10","4","1","2","4","3","1") = "9"
    & skf18("10","4","1","2","4","4","1") = "9"
    & skf18("10","4","1","2","4","5","1") = "9"
    & skf18("10","4","1","2","4","6","1") = "9"
    & skf18("10","4","1","2","4","7","1") = "9"
    & skf18("10","4","1","2","4","8","1") = "9"
    & skf18("10","4","1","2","4","9","1") = "9"
    & skf18("10","4","1","2","4","10","1") = "9"
    & skf18("10","4","1","2","5","1","1") = "9"
    & skf18("10","4","1","2","5","2","1") = "9"
    & skf18("10","4","1","2","5","3","1") = "9"
    & skf18("10","4","1","2","5","4","1") = "9"
    & skf18("10","4","1","2","5","5","1") = "9"
    & skf18("10","4","1","2","5","6","1") = "9"
    & skf18("10","4","1","2","5","7","1") = "9"
    & skf18("10","4","1","2","5","8","1") = "9"
    & skf18("10","4","1","2","5","9","1") = "9"
    & skf18("10","4","1","2","5","10","1") = "9"
    & skf18("10","4","1","2","6","1","1") = "9"
    & skf18("10","4","1","2","6","2","1") = "9"
    & skf18("10","4","1","2","6","3","1") = "9"
    & skf18("10","4","1","2","6","4","1") = "9"
    & skf18("10","4","1","2","6","5","1") = "9"
    & skf18("10","4","1","2","6","6","1") = "9"
    & skf18("10","4","1","2","6","7","1") = "9"
    & skf18("10","4","1","2","6","8","1") = "9"
    & skf18("10","4","1","2","6","9","1") = "9"
    & skf18("10","4","1","2","6","10","1") = "9"
    & skf18("10","4","1","2","7","1","1") = "9"
    & skf18("10","4","1","2","7","2","1") = "9"
    & skf18("10","4","1","2","7","3","1") = "9"
    & skf18("10","4","1","2","7","4","1") = "9"
    & skf18("10","4","1","2","7","5","1") = "9"
    & skf18("10","4","1","2","7","6","1") = "9"
    & skf18("10","4","1","2","7","7","1") = "9"
    & skf18("10","4","1","2","7","8","1") = "9"
    & skf18("10","4","1","2","7","9","1") = "9"
    & skf18("10","4","1","2","7","10","1") = "9"
    & skf18("10","4","1","2","8","1","1") = "9"
    & skf18("10","4","1","2","8","2","1") = "9"
    & skf18("10","4","1","2","8","3","1") = "9"
    & skf18("10","4","1","2","8","4","1") = "9"
    & skf18("10","4","1","2","8","5","1") = "9"
    & skf18("10","4","1","2","8","6","1") = "9"
    & skf18("10","4","1","2","8","7","1") = "9"
    & skf18("10","4","1","2","8","8","1") = "9"
    & skf18("10","4","1","2","8","9","1") = "9"
    & skf18("10","4","1","2","8","10","1") = "9"
    & skf18("10","4","1","2","9","1","1") = "9"
    & skf18("10","4","1","2","9","2","1") = "9"
    & skf18("10","4","1","2","9","3","1") = "9"
    & skf18("10","4","1","2","9","4","1") = "9"
    & skf18("10","4","1","2","9","5","1") = "9"
    & skf18("10","4","1","2","9","6","1") = "9"
    & skf18("10","4","1","2","9","7","1") = "9"
    & skf18("10","4","1","2","9","8","1") = "9"
    & skf18("10","4","1","2","9","9","1") = "9"
    & skf18("10","4","1","2","9","10","1") = "9"
    & skf18("10","4","1","2","10","1","1") = "9"
    & skf18("10","4","1","2","10","2","1") = "9"
    & skf18("10","4","1","2","10","3","1") = "9"
    & skf18("10","4","1","2","10","4","1") = "9"
    & skf18("10","4","1","2","10","5","1") = "9"
    & skf18("10","4","1","2","10","6","1") = "9"
    & skf18("10","4","1","2","10","7","1") = "9"
    & skf18("10","4","1","2","10","8","1") = "9"
    & skf18("10","4","1","2","10","9","1") = "9"
    & skf18("10","4","1","2","10","10","1") = "9"
    & skf18("10","4","1","3","1","1","1") = "9"
    & skf18("10","4","1","3","1","2","1") = "9"
    & skf18("10","4","1","3","1","3","1") = "9"
    & skf18("10","4","1","3","1","4","1") = "9"
    & skf18("10","4","1","3","1","5","1") = "9"
    & skf18("10","4","1","3","1","6","1") = "9"
    & skf18("10","4","1","3","1","7","1") = "9"
    & skf18("10","4","1","3","1","8","1") = "9"
    & skf18("10","4","1","3","1","9","1") = "9"
    & skf18("10","4","1","3","1","10","1") = "9"
    & skf18("10","4","1","3","2","1","1") = "9"
    & skf18("10","4","1","3","2","2","1") = "9"
    & skf18("10","4","1","3","2","3","1") = "9"
    & skf18("10","4","1","3","2","4","1") = "9"
    & skf18("10","4","1","3","2","5","1") = "9"
    & skf18("10","4","1","3","2","6","1") = "9"
    & skf18("10","4","1","3","2","7","1") = "9"
    & skf18("10","4","1","3","2","8","1") = "9"
    & skf18("10","4","1","3","2","9","1") = "9"
    & skf18("10","4","1","3","2","10","1") = "9"
    & skf18("10","4","1","3","3","1","1") = "9"
    & skf18("10","4","1","3","3","2","1") = "9"
    & skf18("10","4","1","3","3","3","1") = "9"
    & skf18("10","4","1","3","3","4","1") = "9"
    & skf18("10","4","1","3","3","5","1") = "9"
    & skf18("10","4","1","3","3","6","1") = "9"
    & skf18("10","4","1","3","3","7","1") = "9"
    & skf18("10","4","1","3","3","8","1") = "9"
    & skf18("10","4","1","3","3","9","1") = "9"
    & skf18("10","4","1","3","3","10","1") = "9"
    & skf18("10","4","1","3","4","1","1") = "9"
    & skf18("10","4","1","3","4","2","1") = "9"
    & skf18("10","4","1","3","4","3","1") = "9"
    & skf18("10","4","1","3","4","4","1") = "9"
    & skf18("10","4","1","3","4","5","1") = "9"
    & skf18("10","4","1","3","4","6","1") = "9"
    & skf18("10","4","1","3","4","7","1") = "9"
    & skf18("10","4","1","3","4","8","1") = "9"
    & skf18("10","4","1","3","4","9","1") = "9"
    & skf18("10","4","1","3","4","10","1") = "9"
    & skf18("10","4","1","3","5","1","1") = "9"
    & skf18("10","4","1","3","5","2","1") = "9"
    & skf18("10","4","1","3","5","3","1") = "9"
    & skf18("10","4","1","3","5","4","1") = "9"
    & skf18("10","4","1","3","5","5","1") = "9"
    & skf18("10","4","1","3","5","6","1") = "9"
    & skf18("10","4","1","3","5","7","1") = "9"
    & skf18("10","4","1","3","5","8","1") = "9"
    & skf18("10","4","1","3","5","9","1") = "9"
    & skf18("10","4","1","3","5","10","1") = "9"
    & skf18("10","4","1","3","6","1","1") = "9"
    & skf18("10","4","1","3","6","2","1") = "9"
    & skf18("10","4","1","3","6","3","1") = "9"
    & skf18("10","4","1","3","6","4","1") = "9"
    & skf18("10","4","1","3","6","5","1") = "9"
    & skf18("10","4","1","3","6","6","1") = "9"
    & skf18("10","4","1","3","6","7","1") = "9"
    & skf18("10","4","1","3","6","8","1") = "9"
    & skf18("10","4","1","3","6","9","1") = "9"
    & skf18("10","4","1","3","6","10","1") = "9"
    & skf18("10","4","1","3","7","1","1") = "9"
    & skf18("10","4","1","3","7","2","1") = "9"
    & skf18("10","4","1","3","7","3","1") = "9"
    & skf18("10","4","1","3","7","4","1") = "9"
    & skf18("10","4","1","3","7","5","1") = "9"
    & skf18("10","4","1","3","7","6","1") = "9"
    & skf18("10","4","1","3","7","7","1") = "9"
    & skf18("10","4","1","3","7","8","1") = "9"
    & skf18("10","4","1","3","7","9","1") = "9"
    & skf18("10","4","1","3","7","10","1") = "9"
    & skf18("10","4","1","3","8","1","1") = "9"
    & skf18("10","4","1","3","8","2","1") = "9"
    & skf18("10","4","1","3","8","3","1") = "9"
    & skf18("10","4","1","3","8","4","1") = "9"
    & skf18("10","4","1","3","8","5","1") = "9"
    & skf18("10","4","1","3","8","6","1") = "9"
    & skf18("10","4","1","3","8","7","1") = "9"
    & skf18("10","4","1","3","8","8","1") = "9"
    & skf18("10","4","1","3","8","9","1") = "9"
    & skf18("10","4","1","3","8","10","1") = "9"
    & skf18("10","4","1","3","9","1","1") = "9"
    & skf18("10","4","1","3","9","2","1") = "9"
    & skf18("10","4","1","3","9","3","1") = "9"
    & skf18("10","4","1","3","9","4","1") = "9"
    & skf18("10","4","1","3","9","5","1") = "9"
    & skf18("10","4","1","3","9","6","1") = "9"
    & skf18("10","4","1","3","9","7","1") = "9"
    & skf18("10","4","1","3","9","8","1") = "9"
    & skf18("10","4","1","3","9","9","1") = "9"
    & skf18("10","4","1","3","9","10","1") = "9"
    & skf18("10","4","1","3","10","1","1") = "9"
    & skf18("10","4","1","3","10","2","1") = "9"
    & skf18("10","4","1","3","10","3","1") = "9"
    & skf18("10","4","1","3","10","4","1") = "9"
    & skf18("10","4","1","3","10","5","1") = "9"
    & skf18("10","4","1","3","10","6","1") = "9"
    & skf18("10","4","1","3","10","7","1") = "9"
    & skf18("10","4","1","3","10","8","1") = "9"
    & skf18("10","4","1","3","10","9","1") = "9"
    & skf18("10","4","1","3","10","10","1") = "9"
    & skf18("10","4","1","4","1","1","1") = "9"
    & skf18("10","4","1","4","1","2","1") = "9"
    & skf18("10","4","1","4","1","3","1") = "9"
    & skf18("10","4","1","4","1","4","1") = "9"
    & skf18("10","4","1","4","1","5","1") = "9"
    & skf18("10","4","1","4","1","6","1") = "9"
    & skf18("10","4","1","4","1","7","1") = "9"
    & skf18("10","4","1","4","1","8","1") = "9"
    & skf18("10","4","1","4","1","9","1") = "9"
    & skf18("10","4","1","4","1","10","1") = "9"
    & skf18("10","4","1","4","2","1","1") = "9"
    & skf18("10","4","1","4","2","2","1") = "9"
    & skf18("10","4","1","4","2","3","1") = "9"
    & skf18("10","4","1","4","2","4","1") = "9"
    & skf18("10","4","1","4","2","5","1") = "9"
    & skf18("10","4","1","4","2","6","1") = "9"
    & skf18("10","4","1","4","2","7","1") = "9"
    & skf18("10","4","1","4","2","8","1") = "9"
    & skf18("10","4","1","4","2","9","1") = "9"
    & skf18("10","4","1","4","2","10","1") = "9"
    & skf18("10","4","1","4","3","1","1") = "9"
    & skf18("10","4","1","4","3","2","1") = "9"
    & skf18("10","4","1","4","3","3","1") = "9"
    & skf18("10","4","1","4","3","4","1") = "9"
    & skf18("10","4","1","4","3","5","1") = "9"
    & skf18("10","4","1","4","3","6","1") = "9"
    & skf18("10","4","1","4","3","7","1") = "9"
    & skf18("10","4","1","4","3","8","1") = "9"
    & skf18("10","4","1","4","3","9","1") = "9"
    & skf18("10","4","1","4","3","10","1") = "9"
    & skf18("10","4","1","4","4","1","1") = "9"
    & skf18("10","4","1","4","4","2","1") = "9"
    & skf18("10","4","1","4","4","3","1") = "9"
    & skf18("10","4","1","4","4","4","1") = "9"
    & skf18("10","4","1","4","4","5","1") = "9"
    & skf18("10","4","1","4","4","6","1") = "9"
    & skf18("10","4","1","4","4","7","1") = "9"
    & skf18("10","4","1","4","4","8","1") = "9"
    & skf18("10","4","1","4","4","9","1") = "9"
    & skf18("10","4","1","4","4","10","1") = "9"
    & skf18("10","4","1","4","5","1","1") = "9"
    & skf18("10","4","1","4","5","2","1") = "9"
    & skf18("10","4","1","4","5","3","1") = "9"
    & skf18("10","4","1","4","5","4","1") = "9"
    & skf18("10","4","1","4","5","5","1") = "9"
    & skf18("10","4","1","4","5","6","1") = "9"
    & skf18("10","4","1","4","5","7","1") = "9"
    & skf18("10","4","1","4","5","8","1") = "9"
    & skf18("10","4","1","4","5","9","1") = "9"
    & skf18("10","4","1","4","5","10","1") = "9"
    & skf18("10","4","1","4","6","1","1") = "9"
    & skf18("10","4","1","4","6","2","1") = "9"
    & skf18("10","4","1","4","6","3","1") = "9"
    & skf18("10","4","1","4","6","4","1") = "9"
    & skf18("10","4","1","4","6","5","1") = "9"
    & skf18("10","4","1","4","6","6","1") = "9"
    & skf18("10","4","1","4","6","7","1") = "9"
    & skf18("10","4","1","4","6","8","1") = "9"
    & skf18("10","4","1","4","6","9","1") = "9"
    & skf18("10","4","1","4","6","10","1") = "9"
    & skf18("10","4","1","4","7","1","1") = "9"
    & skf18("10","4","1","4","7","2","1") = "9"
    & skf18("10","4","1","4","7","3","1") = "9"
    & skf18("10","4","1","4","7","4","1") = "9"
    & skf18("10","4","1","4","7","5","1") = "9"
    & skf18("10","4","1","4","7","6","1") = "9"
    & skf18("10","4","1","4","7","7","1") = "9"
    & skf18("10","4","1","4","7","8","1") = "9"
    & skf18("10","4","1","4","7","9","1") = "9"
    & skf18("10","4","1","4","7","10","1") = "9"
    & skf18("10","4","1","4","8","1","1") = "9"
    & skf18("10","4","1","4","8","2","1") = "9"
    & skf18("10","4","1","4","8","3","1") = "9"
    & skf18("10","4","1","4","8","4","1") = "9"
    & skf18("10","4","1","4","8","5","1") = "9"
    & skf18("10","4","1","4","8","6","1") = "9"
    & skf18("10","4","1","4","8","7","1") = "9"
    & skf18("10","4","1","4","8","8","1") = "9"
    & skf18("10","4","1","4","8","9","1") = "9"
    & skf18("10","4","1","4","8","10","1") = "9"
    & skf18("10","4","1","4","9","1","1") = "9"
    & skf18("10","4","1","4","9","2","1") = "9"
    & skf18("10","4","1","4","9","3","1") = "9"
    & skf18("10","4","1","4","9","4","1") = "9"
    & skf18("10","4","1","4","9","5","1") = "9"
    & skf18("10","4","1","4","9","6","1") = "9"
    & skf18("10","4","1","4","9","7","1") = "9"
    & skf18("10","4","1","4","9","8","1") = "9"
    & skf18("10","4","1","4","9","9","1") = "9"
    & skf18("10","4","1","4","9","10","1") = "9"
    & skf18("10","4","1","4","10","1","1") = "9"
    & skf18("10","4","1","4","10","2","1") = "9"
    & skf18("10","4","1","4","10","3","1") = "9"
    & skf18("10","4","1","4","10","4","1") = "9"
    & skf18("10","4","1","4","10","5","1") = "9"
    & skf18("10","4","1","4","10","6","1") = "9"
    & skf18("10","4","1","4","10","7","1") = "9"
    & skf18("10","4","1","4","10","8","1") = "9"
    & skf18("10","4","1","4","10","9","1") = "9"
    & skf18("10","4","1","4","10","10","1") = "9"
    & skf18("10","4","1","5","1","1","1") = "9"
    & skf18("10","4","1","5","1","2","1") = "9"
    & skf18("10","4","1","5","1","3","1") = "9"
    & skf18("10","4","1","5","1","4","1") = "9"
    & skf18("10","4","1","5","1","5","1") = "9"
    & skf18("10","4","1","5","1","6","1") = "9"
    & skf18("10","4","1","5","1","7","1") = "9"
    & skf18("10","4","1","5","1","8","1") = "9"
    & skf18("10","4","1","5","1","9","1") = "9"
    & skf18("10","4","1","5","1","10","1") = "9"
    & skf18("10","4","1","5","2","1","1") = "9"
    & skf18("10","4","1","5","2","2","1") = "9"
    & skf18("10","4","1","5","2","3","1") = "9"
    & skf18("10","4","1","5","2","4","1") = "9"
    & skf18("10","4","1","5","2","5","1") = "9"
    & skf18("10","4","1","5","2","6","1") = "9"
    & skf18("10","4","1","5","2","7","1") = "9"
    & skf18("10","4","1","5","2","8","1") = "9"
    & skf18("10","4","1","5","2","9","1") = "9"
    & skf18("10","4","1","5","2","10","1") = "9"
    & skf18("10","4","1","5","3","1","1") = "9"
    & skf18("10","4","1","5","3","2","1") = "9"
    & skf18("10","4","1","5","3","3","1") = "9"
    & skf18("10","4","1","5","3","4","1") = "9"
    & skf18("10","4","1","5","3","5","1") = "9"
    & skf18("10","4","1","5","3","6","1") = "9"
    & skf18("10","4","1","5","3","7","1") = "9"
    & skf18("10","4","1","5","3","8","1") = "9"
    & skf18("10","4","1","5","3","9","1") = "9"
    & skf18("10","4","1","5","3","10","1") = "9"
    & skf18("10","4","1","5","4","1","1") = "9"
    & skf18("10","4","1","5","4","2","1") = "9"
    & skf18("10","4","1","5","4","3","1") = "9"
    & skf18("10","4","1","5","4","4","1") = "9"
    & skf18("10","4","1","5","4","5","1") = "9"
    & skf18("10","4","1","5","4","6","1") = "9"
    & skf18("10","4","1","5","4","7","1") = "9"
    & skf18("10","4","1","5","4","8","1") = "9"
    & skf18("10","4","1","5","4","9","1") = "9"
    & skf18("10","4","1","5","4","10","1") = "9"
    & skf18("10","4","1","5","5","1","1") = "9"
    & skf18("10","4","1","5","5","2","1") = "9"
    & skf18("10","4","1","5","5","3","1") = "9"
    & skf18("10","4","1","5","5","4","1") = "9"
    & skf18("10","4","1","5","5","5","1") = "9"
    & skf18("10","4","1","5","5","6","1") = "9"
    & skf18("10","4","1","5","5","7","1") = "9"
    & skf18("10","4","1","5","5","8","1") = "9"
    & skf18("10","4","1","5","5","9","1") = "9"
    & skf18("10","4","1","5","5","10","1") = "9"
    & skf18("10","4","1","5","6","1","1") = "9"
    & skf18("10","4","1","5","6","2","1") = "9"
    & skf18("10","4","1","5","6","3","1") = "9"
    & skf18("10","4","1","5","6","4","1") = "9"
    & skf18("10","4","1","5","6","5","1") = "9"
    & skf18("10","4","1","5","6","6","1") = "9"
    & skf18("10","4","1","5","6","7","1") = "9"
    & skf18("10","4","1","5","6","8","1") = "9"
    & skf18("10","4","1","5","6","9","1") = "9"
    & skf18("10","4","1","5","6","10","1") = "9"
    & skf18("10","4","1","5","7","1","1") = "9"
    & skf18("10","4","1","5","7","2","1") = "9"
    & skf18("10","4","1","5","7","3","1") = "9"
    & skf18("10","4","1","5","7","4","1") = "9"
    & skf18("10","4","1","5","7","5","1") = "9"
    & skf18("10","4","1","5","7","6","1") = "9"
    & skf18("10","4","1","5","7","7","1") = "9"
    & skf18("10","4","1","5","7","8","1") = "9"
    & skf18("10","4","1","5","7","9","1") = "9"
    & skf18("10","4","1","5","7","10","1") = "9"
    & skf18("10","4","1","5","8","1","1") = "9"
    & skf18("10","4","1","5","8","2","1") = "9"
    & skf18("10","4","1","5","8","3","1") = "9"
    & skf18("10","4","1","5","8","4","1") = "9"
    & skf18("10","4","1","5","8","5","1") = "9"
    & skf18("10","4","1","5","8","6","1") = "9"
    & skf18("10","4","1","5","8","7","1") = "9"
    & skf18("10","4","1","5","8","8","1") = "9"
    & skf18("10","4","1","5","8","9","1") = "9"
    & skf18("10","4","1","5","8","10","1") = "9"
    & skf18("10","4","1","5","9","1","1") = "9"
    & skf18("10","4","1","5","9","2","1") = "9"
    & skf18("10","4","1","5","9","3","1") = "9"
    & skf18("10","4","1","5","9","4","1") = "9"
    & skf18("10","4","1","5","9","5","1") = "9"
    & skf18("10","4","1","5","9","6","1") = "9"
    & skf18("10","4","1","5","9","7","1") = "9"
    & skf18("10","4","1","5","9","8","1") = "9"
    & skf18("10","4","1","5","9","9","1") = "9"
    & skf18("10","4","1","5","9","10","1") = "9"
    & skf18("10","4","1","5","10","1","1") = "9"
    & skf18("10","4","1","5","10","2","1") = "9"
    & skf18("10","4","1","5","10","3","1") = "9"
    & skf18("10","4","1","5","10","4","1") = "9"
    & skf18("10","4","1","5","10","5","1") = "9"
    & skf18("10","4","1","5","10","6","1") = "9"
    & skf18("10","4","1","5","10","7","1") = "9"
    & skf18("10","4","1","5","10","8","1") = "9"
    & skf18("10","4","1","5","10","9","1") = "9"
    & skf18("10","4","1","5","10","10","1") = "9"
    & skf18("10","4","1","6","1","1","1") = "9"
    & skf18("10","4","1","6","1","2","1") = "9"
    & skf18("10","4","1","6","1","3","1") = "9"
    & skf18("10","4","1","6","1","4","1") = "9"
    & skf18("10","4","1","6","1","5","1") = "9"
    & skf18("10","4","1","6","1","6","1") = "9"
    & skf18("10","4","1","6","1","7","1") = "9"
    & skf18("10","4","1","6","1","8","1") = "9"
    & skf18("10","4","1","6","1","9","1") = "9"
    & skf18("10","4","1","6","1","10","1") = "9"
    & skf18("10","4","1","6","2","1","1") = "9"
    & skf18("10","4","1","6","2","2","1") = "9"
    & skf18("10","4","1","6","2","3","1") = "9"
    & skf18("10","4","1","6","2","4","1") = "9"
    & skf18("10","4","1","6","2","5","1") = "9"
    & skf18("10","4","1","6","2","6","1") = "9"
    & skf18("10","4","1","6","2","7","1") = "9"
    & skf18("10","4","1","6","2","8","1") = "9"
    & skf18("10","4","1","6","2","9","1") = "9"
    & skf18("10","4","1","6","2","10","1") = "9"
    & skf18("10","4","1","6","3","1","1") = "9"
    & skf18("10","4","1","6","3","2","1") = "9"
    & skf18("10","4","1","6","3","3","1") = "9"
    & skf18("10","4","1","6","3","4","1") = "9"
    & skf18("10","4","1","6","3","5","1") = "9"
    & skf18("10","4","1","6","3","6","1") = "9"
    & skf18("10","4","1","6","3","7","1") = "9"
    & skf18("10","4","1","6","3","8","1") = "9"
    & skf18("10","4","1","6","3","9","1") = "9"
    & skf18("10","4","1","6","3","10","1") = "9"
    & skf18("10","4","1","6","4","1","1") = "9"
    & skf18("10","4","1","6","4","2","1") = "9"
    & skf18("10","4","1","6","4","3","1") = "9"
    & skf18("10","4","1","6","4","4","1") = "9"
    & skf18("10","4","1","6","4","5","1") = "9"
    & skf18("10","4","1","6","4","6","1") = "9"
    & skf18("10","4","1","6","4","7","1") = "9"
    & skf18("10","4","1","6","4","8","1") = "9"
    & skf18("10","4","1","6","4","9","1") = "9"
    & skf18("10","4","1","6","4","10","1") = "9"
    & skf18("10","4","1","6","5","1","1") = "9"
    & skf18("10","4","1","6","5","2","1") = "9"
    & skf18("10","4","1","6","5","3","1") = "9"
    & skf18("10","4","1","6","5","4","1") = "9"
    & skf18("10","4","1","6","5","5","1") = "9"
    & skf18("10","4","1","6","5","6","1") = "9"
    & skf18("10","4","1","6","5","7","1") = "9"
    & skf18("10","4","1","6","5","8","1") = "9"
    & skf18("10","4","1","6","5","9","1") = "9"
    & skf18("10","4","1","6","5","10","1") = "9"
    & skf18("10","4","1","6","6","1","1") = "9"
    & skf18("10","4","1","6","6","2","1") = "9"
    & skf18("10","4","1","6","6","3","1") = "9"
    & skf18("10","4","1","6","6","4","1") = "9"
    & skf18("10","4","1","6","6","5","1") = "9"
    & skf18("10","4","1","6","6","6","1") = "9"
    & skf18("10","4","1","6","6","7","1") = "9"
    & skf18("10","4","1","6","6","8","1") = "9"
    & skf18("10","4","1","6","6","9","1") = "9"
    & skf18("10","4","1","6","6","10","1") = "9"
    & skf18("10","4","1","6","7","1","1") = "9"
    & skf18("10","4","1","6","7","2","1") = "9"
    & skf18("10","4","1","6","7","3","1") = "9"
    & skf18("10","4","1","6","7","4","1") = "9"
    & skf18("10","4","1","6","7","5","1") = "9"
    & skf18("10","4","1","6","7","6","1") = "9"
    & skf18("10","4","1","6","7","7","1") = "9"
    & skf18("10","4","1","6","7","8","1") = "9"
    & skf18("10","4","1","6","7","9","1") = "9"
    & skf18("10","4","1","6","7","10","1") = "9"
    & skf18("10","4","1","6","8","1","1") = "9"
    & skf18("10","4","1","6","8","2","1") = "9"
    & skf18("10","4","1","6","8","3","1") = "9"
    & skf18("10","4","1","6","8","4","1") = "9"
    & skf18("10","4","1","6","8","5","1") = "9"
    & skf18("10","4","1","6","8","6","1") = "9"
    & skf18("10","4","1","6","8","7","1") = "9"
    & skf18("10","4","1","6","8","8","1") = "9"
    & skf18("10","4","1","6","8","9","1") = "9"
    & skf18("10","4","1","6","8","10","1") = "9"
    & skf18("10","4","1","6","9","1","1") = "9"
    & skf18("10","4","1","6","9","2","1") = "9"
    & skf18("10","4","1","6","9","3","1") = "9"
    & skf18("10","4","1","6","9","4","1") = "9"
    & skf18("10","4","1","6","9","5","1") = "9"
    & skf18("10","4","1","6","9","6","1") = "9"
    & skf18("10","4","1","6","9","7","1") = "9"
    & skf18("10","4","1","6","9","8","1") = "9"
    & skf18("10","4","1","6","9","9","1") = "9"
    & skf18("10","4","1","6","9","10","1") = "9"
    & skf18("10","4","1","6","10","1","1") = "9"
    & skf18("10","4","1","6","10","2","1") = "9"
    & skf18("10","4","1","6","10","3","1") = "9"
    & skf18("10","4","1","6","10","4","1") = "9"
    & skf18("10","4","1","6","10","5","1") = "9"
    & skf18("10","4","1","6","10","6","1") = "9"
    & skf18("10","4","1","6","10","7","1") = "9"
    & skf18("10","4","1","6","10","8","1") = "9"
    & skf18("10","4","1","6","10","9","1") = "9"
    & skf18("10","4","1","6","10","10","1") = "9"
    & skf18("10","4","1","7","1","1","1") = "9"
    & skf18("10","4","1","7","1","2","1") = "9"
    & skf18("10","4","1","7","1","3","1") = "9"
    & skf18("10","4","1","7","1","4","1") = "9"
    & skf18("10","4","1","7","1","5","1") = "9"
    & skf18("10","4","1","7","1","6","1") = "9"
    & skf18("10","4","1","7","1","7","1") = "9"
    & skf18("10","4","1","7","1","8","1") = "9"
    & skf18("10","4","1","7","1","9","1") = "9"
    & skf18("10","4","1","7","1","10","1") = "9"
    & skf18("10","4","1","7","2","1","1") = "9"
    & skf18("10","4","1","7","2","2","1") = "9"
    & skf18("10","4","1","7","2","3","1") = "9"
    & skf18("10","4","1","7","2","4","1") = "9"
    & skf18("10","4","1","7","2","5","1") = "9"
    & skf18("10","4","1","7","2","6","1") = "9"
    & skf18("10","4","1","7","2","7","1") = "9"
    & skf18("10","4","1","7","2","8","1") = "9"
    & skf18("10","4","1","7","2","9","1") = "9"
    & skf18("10","4","1","7","2","10","1") = "9"
    & skf18("10","4","1","7","3","1","1") = "9"
    & skf18("10","4","1","7","3","2","1") = "9"
    & skf18("10","4","1","7","3","3","1") = "9"
    & skf18("10","4","1","7","3","4","1") = "9"
    & skf18("10","4","1","7","3","5","1") = "9"
    & skf18("10","4","1","7","3","6","1") = "9"
    & skf18("10","4","1","7","3","7","1") = "9"
    & skf18("10","4","1","7","3","8","1") = "9"
    & skf18("10","4","1","7","3","9","1") = "9"
    & skf18("10","4","1","7","3","10","1") = "9"
    & skf18("10","4","1","7","4","1","1") = "9"
    & skf18("10","4","1","7","4","2","1") = "9"
    & skf18("10","4","1","7","4","3","1") = "9"
    & skf18("10","4","1","7","4","4","1") = "9"
    & skf18("10","4","1","7","4","5","1") = "9"
    & skf18("10","4","1","7","4","6","1") = "9"
    & skf18("10","4","1","7","4","7","1") = "9"
    & skf18("10","4","1","7","4","8","1") = "9"
    & skf18("10","4","1","7","4","9","1") = "9"
    & skf18("10","4","1","7","4","10","1") = "9"
    & skf18("10","4","1","7","5","1","1") = "9"
    & skf18("10","4","1","7","5","2","1") = "9"
    & skf18("10","4","1","7","5","3","1") = "9"
    & skf18("10","4","1","7","5","4","1") = "9"
    & skf18("10","4","1","7","5","5","1") = "9"
    & skf18("10","4","1","7","5","6","1") = "9"
    & skf18("10","4","1","7","5","7","1") = "9"
    & skf18("10","4","1","7","5","8","1") = "9"
    & skf18("10","4","1","7","5","9","1") = "9"
    & skf18("10","4","1","7","5","10","1") = "9"
    & skf18("10","4","1","7","6","1","1") = "9"
    & skf18("10","4","1","7","6","2","1") = "9"
    & skf18("10","4","1","7","6","3","1") = "9"
    & skf18("10","4","1","7","6","4","1") = "9"
    & skf18("10","4","1","7","6","5","1") = "9"
    & skf18("10","4","1","7","6","6","1") = "9"
    & skf18("10","4","1","7","6","7","1") = "9"
    & skf18("10","4","1","7","6","8","1") = "9"
    & skf18("10","4","1","7","6","9","1") = "9"
    & skf18("10","4","1","7","6","10","1") = "9"
    & skf18("10","4","1","7","7","1","1") = "9"
    & skf18("10","4","1","7","7","2","1") = "9"
    & skf18("10","4","1","7","7","3","1") = "9"
    & skf18("10","4","1","7","7","4","1") = "9"
    & skf18("10","4","1","7","7","5","1") = "9"
    & skf18("10","4","1","7","7","6","1") = "9"
    & skf18("10","4","1","7","7","7","1") = "9"
    & skf18("10","4","1","7","7","8","1") = "9"
    & skf18("10","4","1","7","7","9","1") = "9"
    & skf18("10","4","1","7","7","10","1") = "9"
    & skf18("10","4","1","7","8","1","1") = "9"
    & skf18("10","4","1","7","8","2","1") = "9"
    & skf18("10","4","1","7","8","3","1") = "9"
    & skf18("10","4","1","7","8","4","1") = "9"
    & skf18("10","4","1","7","8","5","1") = "9"
    & skf18("10","4","1","7","8","6","1") = "9"
    & skf18("10","4","1","7","8","7","1") = "9"
    & skf18("10","4","1","7","8","8","1") = "9"
    & skf18("10","4","1","7","8","9","1") = "9"
    & skf18("10","4","1","7","8","10","1") = "9"
    & skf18("10","4","1","7","9","1","1") = "9"
    & skf18("10","4","1","7","9","2","1") = "9"
    & skf18("10","4","1","7","9","3","1") = "9"
    & skf18("10","4","1","7","9","4","1") = "9"
    & skf18("10","4","1","7","9","5","1") = "9"
    & skf18("10","4","1","7","9","6","1") = "9"
    & skf18("10","4","1","7","9","7","1") = "9"
    & skf18("10","4","1","7","9","8","1") = "9"
    & skf18("10","4","1","7","9","9","1") = "9"
    & skf18("10","4","1","7","9","10","1") = "9"
    & skf18("10","4","1","7","10","1","1") = "9"
    & skf18("10","4","1","7","10","2","1") = "9"
    & skf18("10","4","1","7","10","3","1") = "9"
    & skf18("10","4","1","7","10","4","1") = "9"
    & skf18("10","4","1","7","10","5","1") = "9"
    & skf18("10","4","1","7","10","6","1") = "9"
    & skf18("10","4","1","7","10","7","1") = "9"
    & skf18("10","4","1","7","10","8","1") = "9"
    & skf18("10","4","1","7","10","9","1") = "9"
    & skf18("10","4","1","7","10","10","1") = "9"
    & skf18("10","4","1","8","1","1","1") = "9"
    & skf18("10","4","1","8","1","2","1") = "9"
    & skf18("10","4","1","8","1","3","1") = "9"
    & skf18("10","4","1","8","1","4","1") = "9"
    & skf18("10","4","1","8","1","5","1") = "9"
    & skf18("10","4","1","8","1","6","1") = "9"
    & skf18("10","4","1","8","1","7","1") = "9"
    & skf18("10","4","1","8","1","8","1") = "9"
    & skf18("10","4","1","8","1","9","1") = "9"
    & skf18("10","4","1","8","1","10","1") = "9"
    & skf18("10","4","1","8","2","1","1") = "9"
    & skf18("10","4","1","8","2","2","1") = "9"
    & skf18("10","4","1","8","2","3","1") = "9"
    & skf18("10","4","1","8","2","4","1") = "9"
    & skf18("10","4","1","8","2","5","1") = "9"
    & skf18("10","4","1","8","2","6","1") = "9"
    & skf18("10","4","1","8","2","7","1") = "9"
    & skf18("10","4","1","8","2","8","1") = "9"
    & skf18("10","4","1","8","2","9","1") = "9"
    & skf18("10","4","1","8","2","10","1") = "9"
    & skf18("10","4","1","8","3","1","1") = "9"
    & skf18("10","4","1","8","3","2","1") = "9"
    & skf18("10","4","1","8","3","3","1") = "9"
    & skf18("10","4","1","8","3","4","1") = "9"
    & skf18("10","4","1","8","3","5","1") = "9"
    & skf18("10","4","1","8","3","6","1") = "9"
    & skf18("10","4","1","8","3","7","1") = "9"
    & skf18("10","4","1","8","3","8","1") = "9"
    & skf18("10","4","1","8","3","9","1") = "9"
    & skf18("10","4","1","8","3","10","1") = "9"
    & skf18("10","4","1","8","4","1","1") = "9"
    & skf18("10","4","1","8","4","2","1") = "9"
    & skf18("10","4","1","8","4","3","1") = "9"
    & skf18("10","4","1","8","4","4","1") = "9"
    & skf18("10","4","1","8","4","5","1") = "9"
    & skf18("10","4","1","8","4","6","1") = "9"
    & skf18("10","4","1","8","4","7","1") = "9"
    & skf18("10","4","1","8","4","8","1") = "9"
    & skf18("10","4","1","8","4","9","1") = "9"
    & skf18("10","4","1","8","4","10","1") = "9"
    & skf18("10","4","1","8","5","1","1") = "9"
    & skf18("10","4","1","8","5","2","1") = "9"
    & skf18("10","4","1","8","5","3","1") = "9"
    & skf18("10","4","1","8","5","4","1") = "9"
    & skf18("10","4","1","8","5","5","1") = "9"
    & skf18("10","4","1","8","5","6","1") = "9"
    & skf18("10","4","1","8","5","7","1") = "9"
    & skf18("10","4","1","8","5","8","1") = "9"
    & skf18("10","4","1","8","5","9","1") = "9"
    & skf18("10","4","1","8","5","10","1") = "9"
    & skf18("10","4","1","8","6","1","1") = "9"
    & skf18("10","4","1","8","6","2","1") = "9"
    & skf18("10","4","1","8","6","3","1") = "9"
    & skf18("10","4","1","8","6","4","1") = "9"
    & skf18("10","4","1","8","6","5","1") = "9"
    & skf18("10","4","1","8","6","6","1") = "9"
    & skf18("10","4","1","8","6","7","1") = "9"
    & skf18("10","4","1","8","6","8","1") = "9"
    & skf18("10","4","1","8","6","9","1") = "9"
    & skf18("10","4","1","8","6","10","1") = "9"
    & skf18("10","4","1","8","7","1","1") = "9"
    & skf18("10","4","1","8","7","2","1") = "9"
    & skf18("10","4","1","8","7","3","1") = "9"
    & skf18("10","4","1","8","7","4","1") = "9"
    & skf18("10","4","1","8","7","5","1") = "9"
    & skf18("10","4","1","8","7","6","1") = "9"
    & skf18("10","4","1","8","7","7","1") = "9"
    & skf18("10","4","1","8","7","8","1") = "9"
    & skf18("10","4","1","8","7","9","1") = "9"
    & skf18("10","4","1","8","7","10","1") = "9"
    & skf18("10","4","1","8","8","1","1") = "9"
    & skf18("10","4","1","8","8","2","1") = "9"
    & skf18("10","4","1","8","8","3","1") = "9"
    & skf18("10","4","1","8","8","4","1") = "9"
    & skf18("10","4","1","8","8","5","1") = "9"
    & skf18("10","4","1","8","8","6","1") = "9"
    & skf18("10","4","1","8","8","7","1") = "9"
    & skf18("10","4","1","8","8","8","1") = "9"
    & skf18("10","4","1","8","8","9","1") = "9"
    & skf18("10","4","1","8","8","10","1") = "9"
    & skf18("10","4","1","8","9","1","1") = "9"
    & skf18("10","4","1","8","9","2","1") = "9"
    & skf18("10","4","1","8","9","3","1") = "9"
    & skf18("10","4","1","8","9","4","1") = "9"
    & skf18("10","4","1","8","9","5","1") = "9"
    & skf18("10","4","1","8","9","6","1") = "9"
    & skf18("10","4","1","8","9","7","1") = "9"
    & skf18("10","4","1","8","9","8","1") = "9"
    & skf18("10","4","1","8","9","9","1") = "9"
    & skf18("10","4","1","8","9","10","1") = "9"
    & skf18("10","4","1","8","10","1","1") = "9"
    & skf18("10","4","1","8","10","2","1") = "9"
    & skf18("10","4","1","8","10","3","1") = "9"
    & skf18("10","4","1","8","10","4","1") = "9"
    & skf18("10","4","1","8","10","5","1") = "9"
    & skf18("10","4","1","8","10","6","1") = "9"
    & skf18("10","4","1","8","10","7","1") = "9"
    & skf18("10","4","1","8","10","8","1") = "9"
    & skf18("10","4","1","8","10","9","1") = "9"
    & skf18("10","4","1","8","10","10","1") = "9"
    & skf18("10","4","1","9","1","1","1") = "9"
    & skf18("10","4","1","9","1","2","1") = "9"
    & skf18("10","4","1","9","1","3","1") = "9"
    & skf18("10","4","1","9","1","4","1") = "9"
    & skf18("10","4","1","9","1","5","1") = "9"
    & skf18("10","4","1","9","1","6","1") = "9"
    & skf18("10","4","1","9","1","7","1") = "9"
    & skf18("10","4","1","9","1","8","1") = "9"
    & skf18("10","4","1","9","1","9","1") = "9"
    & skf18("10","4","1","9","1","10","1") = "9"
    & skf18("10","4","1","9","2","1","1") = "9"
    & skf18("10","4","1","9","2","2","1") = "9"
    & skf18("10","4","1","9","2","3","1") = "9"
    & skf18("10","4","1","9","2","4","1") = "9"
    & skf18("10","4","1","9","2","5","1") = "9"
    & skf18("10","4","1","9","2","6","1") = "9"
    & skf18("10","4","1","9","2","7","1") = "9"
    & skf18("10","4","1","9","2","8","1") = "9"
    & skf18("10","4","1","9","2","9","1") = "9"
    & skf18("10","4","1","9","2","10","1") = "9"
    & skf18("10","4","1","9","3","1","1") = "9"
    & skf18("10","4","1","9","3","2","1") = "9"
    & skf18("10","4","1","9","3","3","1") = "9"
    & skf18("10","4","1","9","3","4","1") = "9"
    & skf18("10","4","1","9","3","5","1") = "9"
    & skf18("10","4","1","9","3","6","1") = "9"
    & skf18("10","4","1","9","3","7","1") = "9"
    & skf18("10","4","1","9","3","8","1") = "9"
    & skf18("10","4","1","9","3","9","1") = "9"
    & skf18("10","4","1","9","3","10","1") = "9"
    & skf18("10","4","1","9","4","1","1") = "9"
    & skf18("10","4","1","9","4","2","1") = "9"
    & skf18("10","4","1","9","4","3","1") = "9"
    & skf18("10","4","1","9","4","4","1") = "9"
    & skf18("10","4","1","9","4","5","1") = "9"
    & skf18("10","4","1","9","4","6","1") = "9"
    & skf18("10","4","1","9","4","7","1") = "9"
    & skf18("10","4","1","9","4","8","1") = "9"
    & skf18("10","4","1","9","4","9","1") = "9"
    & skf18("10","4","1","9","4","10","1") = "9"
    & skf18("10","4","1","9","5","1","1") = "9"
    & skf18("10","4","1","9","5","2","1") = "9"
    & skf18("10","4","1","9","5","3","1") = "9"
    & skf18("10","4","1","9","5","4","1") = "9"
    & skf18("10","4","1","9","5","5","1") = "9"
    & skf18("10","4","1","9","5","6","1") = "9"
    & skf18("10","4","1","9","5","7","1") = "9"
    & skf18("10","4","1","9","5","8","1") = "9"
    & skf18("10","4","1","9","5","9","1") = "9"
    & skf18("10","4","1","9","5","10","1") = "9"
    & skf18("10","4","1","9","6","1","1") = "9"
    & skf18("10","4","1","9","6","2","1") = "9"
    & skf18("10","4","1","9","6","3","1") = "9"
    & skf18("10","4","1","9","6","4","1") = "9"
    & skf18("10","4","1","9","6","5","1") = "9"
    & skf18("10","4","1","9","6","6","1") = "9"
    & skf18("10","4","1","9","6","7","1") = "9"
    & skf18("10","4","1","9","6","8","1") = "9"
    & skf18("10","4","1","9","6","9","1") = "9"
    & skf18("10","4","1","9","6","10","1") = "9"
    & skf18("10","4","1","9","7","1","1") = "9"
    & skf18("10","4","1","9","7","2","1") = "9"
    & skf18("10","4","1","9","7","3","1") = "9"
    & skf18("10","4","1","9","7","4","1") = "9"
    & skf18("10","4","1","9","7","5","1") = "9"
    & skf18("10","4","1","9","7","6","1") = "9"
    & skf18("10","4","1","9","7","7","1") = "9"
    & skf18("10","4","1","9","7","8","1") = "9"
    & skf18("10","4","1","9","7","9","1") = "9"
    & skf18("10","4","1","9","7","10","1") = "9"
    & skf18("10","4","1","9","8","1","1") = "9"
    & skf18("10","4","1","9","8","2","1") = "9"
    & skf18("10","4","1","9","8","3","1") = "9"
    & skf18("10","4","1","9","8","4","1") = "9"
    & skf18("10","4","1","9","8","5","1") = "9"
    & skf18("10","4","1","9","8","6","1") = "9"
    & skf18("10","4","1","9","8","7","1") = "9"
    & skf18("10","4","1","9","8","8","1") = "9"
    & skf18("10","4","1","9","8","9","1") = "9"
    & skf18("10","4","1","9","8","10","1") = "9"
    & skf18("10","4","1","9","9","1","1") = "9"
    & skf18("10","4","1","9","9","2","1") = "9"
    & skf18("10","4","1","9","9","3","1") = "9"
    & skf18("10","4","1","9","9","4","1") = "9"
    & skf18("10","4","1","9","9","5","1") = "9"
    & skf18("10","4","1","9","9","6","1") = "9"
    & skf18("10","4","1","9","9","7","1") = "9"
    & skf18("10","4","1","9","9","8","1") = "9"
    & skf18("10","4","1","9","9","9","1") = "9"
    & skf18("10","4","1","9","9","10","1") = "9"
    & skf18("10","4","1","9","10","1","1") = "9"
    & skf18("10","4","1","9","10","2","1") = "9"
    & skf18("10","4","1","9","10","3","1") = "9"
    & skf18("10","4","1","9","10","4","1") = "9"
    & skf18("10","4","1","9","10","5","1") = "9"
    & skf18("10","4","1","9","10","6","1") = "9"
    & skf18("10","4","1","9","10","7","1") = "9"
    & skf18("10","4","1","9","10","8","1") = "9"
    & skf18("10","4","1","9","10","9","1") = "9"
    & skf18("10","4","1","9","10","10","1") = "9"
    & skf18("10","4","1","10","1","1","1") = "9"
    & skf18("10","4","1","10","1","2","1") = "9"
    & skf18("10","4","1","10","1","3","1") = "9"
    & skf18("10","4","1","10","1","4","1") = "9"
    & skf18("10","4","1","10","1","5","1") = "9"
    & skf18("10","4","1","10","1","6","1") = "9"
    & skf18("10","4","1","10","1","7","1") = "9"
    & skf18("10","4","1","10","1","8","1") = "9"
    & skf18("10","4","1","10","1","9","1") = "9"
    & skf18("10","4","1","10","1","10","1") = "9"
    & skf18("10","4","1","10","2","1","1") = "9"
    & skf18("10","4","1","10","2","2","1") = "9"
    & skf18("10","4","1","10","2","3","1") = "9"
    & skf18("10","4","1","10","2","4","1") = "9"
    & skf18("10","4","1","10","2","5","1") = "9"
    & skf18("10","4","1","10","2","6","1") = "9"
    & skf18("10","4","1","10","2","7","1") = "9"
    & skf18("10","4","1","10","2","8","1") = "9"
    & skf18("10","4","1","10","2","9","1") = "9"
    & skf18("10","4","1","10","2","10","1") = "9"
    & skf18("10","4","1","10","3","1","1") = "9"
    & skf18("10","4","1","10","3","2","1") = "9"
    & skf18("10","4","1","10","3","3","1") = "9"
    & skf18("10","4","1","10","3","4","1") = "9"
    & skf18("10","4","1","10","3","5","1") = "9"
    & skf18("10","4","1","10","3","6","1") = "9"
    & skf18("10","4","1","10","3","7","1") = "9"
    & skf18("10","4","1","10","3","8","1") = "9"
    & skf18("10","4","1","10","3","9","1") = "9"
    & skf18("10","4","1","10","3","10","1") = "9"
    & skf18("10","4","1","10","4","1","1") = "9"
    & skf18("10","4","1","10","4","2","1") = "9"
    & skf18("10","4","1","10","4","3","1") = "9"
    & skf18("10","4","1","10","4","4","1") = "9"
    & skf18("10","4","1","10","4","5","1") = "9"
    & skf18("10","4","1","10","4","6","1") = "9"
    & skf18("10","4","1","10","4","7","1") = "9"
    & skf18("10","4","1","10","4","8","1") = "9"
    & skf18("10","4","1","10","4","9","1") = "9"
    & skf18("10","4","1","10","4","10","1") = "9"
    & skf18("10","4","1","10","5","1","1") = "9"
    & skf18("10","4","1","10","5","2","1") = "9"
    & skf18("10","4","1","10","5","3","1") = "9"
    & skf18("10","4","1","10","5","4","1") = "9"
    & skf18("10","4","1","10","5","5","1") = "9"
    & skf18("10","4","1","10","5","6","1") = "9"
    & skf18("10","4","1","10","5","7","1") = "9"
    & skf18("10","4","1","10","5","8","1") = "9"
    & skf18("10","4","1","10","5","9","1") = "9"
    & skf18("10","4","1","10","5","10","1") = "9"
    & skf18("10","4","1","10","6","1","1") = "9"
    & skf18("10","4","1","10","6","2","1") = "9"
    & skf18("10","4","1","10","6","3","1") = "9"
    & skf18("10","4","1","10","6","4","1") = "9"
    & skf18("10","4","1","10","6","5","1") = "9"
    & skf18("10","4","1","10","6","6","1") = "9"
    & skf18("10","4","1","10","6","7","1") = "9"
    & skf18("10","4","1","10","6","8","1") = "9"
    & skf18("10","4","1","10","6","9","1") = "9"
    & skf18("10","4","1","10","6","10","1") = "9"
    & skf18("10","4","1","10","7","1","1") = "9"
    & skf18("10","4","1","10","7","2","1") = "9"
    & skf18("10","4","1","10","7","3","1") = "9"
    & skf18("10","4","1","10","7","4","1") = "9"
    & skf18("10","4","1","10","7","5","1") = "9"
    & skf18("10","4","1","10","7","6","1") = "9"
    & skf18("10","4","1","10","7","7","1") = "9"
    & skf18("10","4","1","10","7","8","1") = "9"
    & skf18("10","4","1","10","7","9","1") = "9"
    & skf18("10","4","1","10","7","10","1") = "9"
    & skf18("10","4","1","10","8","1","1") = "9"
    & skf18("10","4","1","10","8","2","1") = "9"
    & skf18("10","4","1","10","8","3","1") = "9"
    & skf18("10","4","1","10","8","4","1") = "9"
    & skf18("10","4","1","10","8","5","1") = "9"
    & skf18("10","4","1","10","8","6","1") = "9"
    & skf18("10","4","1","10","8","7","1") = "9"
    & skf18("10","4","1","10","8","8","1") = "9"
    & skf18("10","4","1","10","8","9","1") = "9"
    & skf18("10","4","1","10","8","10","1") = "9"
    & skf18("10","4","1","10","9","1","1") = "9"
    & skf18("10","4","1","10","9","2","1") = "9"
    & skf18("10","4","1","10","9","3","1") = "9"
    & skf18("10","4","1","10","9","4","1") = "9"
    & skf18("10","4","1","10","9","5","1") = "9"
    & skf18("10","4","1","10","9","6","1") = "9"
    & skf18("10","4","1","10","9","7","1") = "9"
    & skf18("10","4","1","10","9","8","1") = "9"
    & skf18("10","4","1","10","9","9","1") = "9"
    & skf18("10","4","1","10","9","10","1") = "9"
    & skf18("10","4","1","10","10","1","1") = "9"
    & skf18("10","4","1","10","10","2","1") = "9"
    & skf18("10","4","1","10","10","3","1") = "9"
    & skf18("10","4","1","10","10","4","1") = "9"
    & skf18("10","4","1","10","10","5","1") = "9"
    & skf18("10","4","1","10","10","6","1") = "9"
    & skf18("10","4","1","10","10","7","1") = "9"
    & skf18("10","4","1","10","10","8","1") = "9"
    & skf18("10","4","1","10","10","9","1") = "9"
    & skf18("10","4","1","10","10","10","1") = "9"
    & skf18("10","4","2","1","1","1","1") = "9"
    & skf18("10","4","2","1","1","2","1") = "9"
    & skf18("10","4","2","1","1","3","1") = "9"
    & skf18("10","4","2","1","1","4","1") = "9"
    & skf18("10","4","2","1","1","5","1") = "9"
    & skf18("10","4","2","1","1","6","1") = "9"
    & skf18("10","4","2","1","1","7","1") = "9"
    & skf18("10","4","2","1","1","8","1") = "9"
    & skf18("10","4","2","1","1","9","1") = "9"
    & skf18("10","4","2","1","1","10","1") = "9"
    & skf18("10","4","2","1","2","1","1") = "9"
    & skf18("10","4","2","1","2","2","1") = "9"
    & skf18("10","4","2","1","2","3","1") = "9"
    & skf18("10","4","2","1","2","4","1") = "9"
    & skf18("10","4","2","1","2","5","1") = "9"
    & skf18("10","4","2","1","2","6","1") = "9"
    & skf18("10","4","2","1","2","7","1") = "9"
    & skf18("10","4","2","1","2","8","1") = "9"
    & skf18("10","4","2","1","2","9","1") = "9"
    & skf18("10","4","2","1","2","10","1") = "9"
    & skf18("10","4","2","1","3","1","1") = "9"
    & skf18("10","4","2","1","3","2","1") = "9"
    & skf18("10","4","2","1","3","3","1") = "9"
    & skf18("10","4","2","1","3","4","1") = "9"
    & skf18("10","4","2","1","3","5","1") = "9"
    & skf18("10","4","2","1","3","6","1") = "9"
    & skf18("10","4","2","1","3","7","1") = "9"
    & skf18("10","4","2","1","3","8","1") = "9"
    & skf18("10","4","2","1","3","9","1") = "9"
    & skf18("10","4","2","1","3","10","1") = "9"
    & skf18("10","4","2","1","4","1","1") = "9"
    & skf18("10","4","2","1","4","2","1") = "9"
    & skf18("10","4","2","1","4","3","1") = "9"
    & skf18("10","4","2","1","4","4","1") = "9"
    & skf18("10","4","2","1","4","5","1") = "9"
    & skf18("10","4","2","1","4","6","1") = "9"
    & skf18("10","4","2","1","4","7","1") = "9"
    & skf18("10","4","2","1","4","8","1") = "9"
    & skf18("10","4","2","1","4","9","1") = "9"
    & skf18("10","4","2","1","4","10","1") = "9"
    & skf18("10","4","2","1","5","1","1") = "9"
    & skf18("10","4","2","1","5","2","1") = "9"
    & skf18("10","4","2","1","5","3","1") = "9"
    & skf18("10","4","2","1","5","4","1") = "9"
    & skf18("10","4","2","1","5","5","1") = "9"
    & skf18("10","4","2","1","5","6","1") = "9"
    & skf18("10","4","2","1","5","7","1") = "9"
    & skf18("10","4","2","1","5","8","1") = "9"
    & skf18("10","4","2","1","5","9","1") = "9"
    & skf18("10","4","2","1","5","10","1") = "9"
    & skf18("10","4","2","1","6","1","1") = "9"
    & skf18("10","4","2","1","6","2","1") = "9"
    & skf18("10","4","2","1","6","3","1") = "9"
    & skf18("10","4","2","1","6","4","1") = "9"
    & skf18("10","4","2","1","6","5","1") = "9"
    & skf18("10","4","2","1","6","6","1") = "9"
    & skf18("10","4","2","1","6","7","1") = "9"
    & skf18("10","4","2","1","6","8","1") = "9"
    & skf18("10","4","2","1","6","9","1") = "9"
    & skf18("10","4","2","1","6","10","1") = "9"
    & skf18("10","4","2","1","7","1","1") = "9"
    & skf18("10","4","2","1","7","2","1") = "9"
    & skf18("10","4","2","1","7","3","1") = "9"
    & skf18("10","4","2","1","7","4","1") = "9"
    & skf18("10","4","2","1","7","5","1") = "9"
    & skf18("10","4","2","1","7","6","1") = "9"
    & skf18("10","4","2","1","7","7","1") = "9"
    & skf18("10","4","2","1","7","8","1") = "9"
    & skf18("10","4","2","1","7","9","1") = "9"
    & skf18("10","4","2","1","7","10","1") = "9"
    & skf18("10","4","2","1","8","1","1") = "9"
    & skf18("10","4","2","1","8","2","1") = "9"
    & skf18("10","4","2","1","8","3","1") = "9"
    & skf18("10","4","2","1","8","4","1") = "9"
    & skf18("10","4","2","1","8","5","1") = "9"
    & skf18("10","4","2","1","8","6","1") = "9"
    & skf18("10","4","2","1","8","7","1") = "9"
    & skf18("10","4","2","1","8","8","1") = "9"
    & skf18("10","4","2","1","8","9","1") = "9"
    & skf18("10","4","2","1","8","10","1") = "9"
    & skf18("10","4","2","1","9","1","1") = "9"
    & skf18("10","4","2","1","9","2","1") = "9"
    & skf18("10","4","2","1","9","3","1") = "9"
    & skf18("10","4","2","1","9","4","1") = "9"
    & skf18("10","4","2","1","9","5","1") = "9"
    & skf18("10","4","2","1","9","6","1") = "9"
    & skf18("10","4","2","1","9","7","1") = "9"
    & skf18("10","4","2","1","9","8","1") = "9"
    & skf18("10","4","2","1","9","9","1") = "9"
    & skf18("10","4","2","1","9","10","1") = "9"
    & skf18("10","4","2","1","10","1","1") = "9"
    & skf18("10","4","2","1","10","2","1") = "9"
    & skf18("10","4","2","1","10","3","1") = "9"
    & skf18("10","4","2","1","10","4","1") = "9"
    & skf18("10","4","2","1","10","5","1") = "9"
    & skf18("10","4","2","1","10","6","1") = "9"
    & skf18("10","4","2","1","10","7","1") = "9"
    & skf18("10","4","2","1","10","8","1") = "9"
    & skf18("10","4","2","1","10","9","1") = "9"
    & skf18("10","4","2","1","10","10","1") = "9"
    & skf18("10","4","2","2","1","1","1") = "9"
    & skf18("10","4","2","2","1","2","1") = "9"
    & skf18("10","4","2","2","1","3","1") = "9"
    & skf18("10","4","2","2","1","4","1") = "9"
    & skf18("10","4","2","2","1","5","1") = "9"
    & skf18("10","4","2","2","1","6","1") = "9"
    & skf18("10","4","2","2","1","7","1") = "9"
    & skf18("10","4","2","2","1","8","1") = "9"
    & skf18("10","4","2","2","1","9","1") = "9"
    & skf18("10","4","2","2","1","10","1") = "9"
    & skf18("10","4","2","2","2","1","1") = "9"
    & skf18("10","4","2","2","2","2","1") = "9"
    & skf18("10","4","2","2","2","3","1") = "9"
    & skf18("10","4","2","2","2","4","1") = "9"
    & skf18("10","4","2","2","2","5","1") = "9"
    & skf18("10","4","2","2","2","6","1") = "9"
    & skf18("10","4","2","2","2","7","1") = "9"
    & skf18("10","4","2","2","2","8","1") = "9"
    & skf18("10","4","2","2","2","9","1") = "9"
    & skf18("10","4","2","2","2","10","1") = "9"
    & skf18("10","4","2","2","3","1","1") = "9"
    & skf18("10","4","2","2","3","2","1") = "9"
    & skf18("10","4","2","2","3","3","1") = "9"
    & skf18("10","4","2","2","3","4","1") = "9"
    & skf18("10","4","2","2","3","5","1") = "9"
    & skf18("10","4","2","2","3","6","1") = "9"
    & skf18("10","4","2","2","3","7","1") = "9"
    & skf18("10","4","2","2","3","8","1") = "9"
    & skf18("10","4","2","2","3","9","1") = "9"
    & skf18("10","4","2","2","3","10","1") = "9"
    & skf18("10","4","2","2","4","1","1") = "9"
    & skf18("10","4","2","2","4","2","1") = "9"
    & skf18("10","4","2","2","4","3","1") = "9"
    & skf18("10","4","2","2","4","4","1") = "9"
    & skf18("10","4","2","2","4","5","1") = "9"
    & skf18("10","4","2","2","4","6","1") = "9"
    & skf18("10","4","2","2","4","7","1") = "9"
    & skf18("10","4","2","2","4","8","1") = "9"
    & skf18("10","4","2","2","4","9","1") = "9"
    & skf18("10","4","2","2","4","10","1") = "9"
    & skf18("10","4","2","2","5","1","1") = "9"
    & skf18("10","4","2","2","5","2","1") = "9"
    & skf18("10","4","2","2","5","3","1") = "9"
    & skf18("10","4","2","2","5","4","1") = "9"
    & skf18("10","4","2","2","5","5","1") = "9"
    & skf18("10","4","2","2","5","6","1") = "9"
    & skf18("10","4","2","2","5","7","1") = "9"
    & skf18("10","4","2","2","5","8","1") = "9"
    & skf18("10","4","2","2","5","9","1") = "9"
    & skf18("10","4","2","2","5","10","1") = "9"
    & skf18("10","4","2","2","6","1","1") = "9"
    & skf18("10","4","2","2","6","2","1") = "9"
    & skf18("10","4","2","2","6","3","1") = "9"
    & skf18("10","4","2","2","6","4","1") = "9"
    & skf18("10","4","2","2","6","5","1") = "9"
    & skf18("10","4","2","2","6","6","1") = "9"
    & skf18("10","4","2","2","6","7","1") = "9"
    & skf18("10","4","2","2","6","8","1") = "9"
    & skf18("10","4","2","2","6","9","1") = "9"
    & skf18("10","4","2","2","6","10","1") = "9"
    & skf18("10","4","2","2","7","1","1") = "9"
    & skf18("10","4","2","2","7","2","1") = "9"
    & skf18("10","4","2","2","7","3","1") = "9"
    & skf18("10","4","2","2","7","4","1") = "9"
    & skf18("10","4","2","2","7","5","1") = "9"
    & skf18("10","4","2","2","7","6","1") = "9"
    & skf18("10","4","2","2","7","7","1") = "9"
    & skf18("10","4","2","2","7","8","1") = "9"
    & skf18("10","4","2","2","7","9","1") = "9"
    & skf18("10","4","2","2","7","10","1") = "9"
    & skf18("10","4","2","2","8","1","1") = "9"
    & skf18("10","4","2","2","8","2","1") = "9"
    & skf18("10","4","2","2","8","3","1") = "9"
    & skf18("10","4","2","2","8","4","1") = "9"
    & skf18("10","4","2","2","8","5","1") = "9"
    & skf18("10","4","2","2","8","6","1") = "9"
    & skf18("10","4","2","2","8","7","1") = "9"
    & skf18("10","4","2","2","8","8","1") = "9"
    & skf18("10","4","2","2","8","9","1") = "9"
    & skf18("10","4","2","2","8","10","1") = "9"
    & skf18("10","4","2","2","9","1","1") = "9"
    & skf18("10","4","2","2","9","2","1") = "9"
    & skf18("10","4","2","2","9","3","1") = "9"
    & skf18("10","4","2","2","9","4","1") = "9"
    & skf18("10","4","2","2","9","5","1") = "9"
    & skf18("10","4","2","2","9","6","1") = "9"
    & skf18("10","4","2","2","9","7","1") = "9"
    & skf18("10","4","2","2","9","8","1") = "9"
    & skf18("10","4","2","2","9","9","1") = "9"
    & skf18("10","4","2","2","9","10","1") = "9"
    & skf18("10","4","2","2","10","1","1") = "9"
    & skf18("10","4","2","2","10","2","1") = "9"
    & skf18("10","4","2","2","10","3","1") = "9"
    & skf18("10","4","2","2","10","4","1") = "9"
    & skf18("10","4","2","2","10","5","1") = "9"
    & skf18("10","4","2","2","10","6","1") = "9"
    & skf18("10","4","2","2","10","7","1") = "9"
    & skf18("10","4","2","2","10","8","1") = "9"
    & skf18("10","4","2","2","10","9","1") = "9"
    & skf18("10","4","2","2","10","10","1") = "9"
    & skf18("10","4","2","3","1","1","1") = "9"
    & skf18("10","4","2","3","1","2","1") = "9"
    & skf18("10","4","2","3","1","3","1") = "9"
    & skf18("10","4","2","3","1","4","1") = "9"
    & skf18("10","4","2","3","1","5","1") = "9"
    & skf18("10","4","2","3","1","6","1") = "9"
    & skf18("10","4","2","3","1","7","1") = "9"
    & skf18("10","4","2","3","1","8","1") = "9"
    & skf18("10","4","2","3","1","9","1") = "9"
    & skf18("10","4","2","3","1","10","1") = "9"
    & skf18("10","4","2","3","2","1","1") = "9"
    & skf18("10","4","2","3","2","2","1") = "9"
    & skf18("10","4","2","3","2","3","1") = "9"
    & skf18("10","4","2","3","2","4","1") = "9"
    & skf18("10","4","2","3","2","5","1") = "9"
    & skf18("10","4","2","3","2","6","1") = "9"
    & skf18("10","4","2","3","2","7","1") = "9"
    & skf18("10","4","2","3","2","8","1") = "9"
    & skf18("10","4","2","3","2","9","1") = "9"
    & skf18("10","4","2","3","2","10","1") = "9"
    & skf18("10","4","2","3","3","1","1") = "9"
    & skf18("10","4","2","3","3","2","1") = "9"
    & skf18("10","4","2","3","3","3","1") = "9"
    & skf18("10","4","2","3","3","4","1") = "9"
    & skf18("10","4","2","3","3","5","1") = "9"
    & skf18("10","4","2","3","3","6","1") = "9"
    & skf18("10","4","2","3","3","7","1") = "9"
    & skf18("10","4","2","3","3","8","1") = "9"
    & skf18("10","4","2","3","3","9","1") = "9"
    & skf18("10","4","2","3","3","10","1") = "9"
    & skf18("10","4","2","3","4","1","1") = "9"
    & skf18("10","4","2","3","4","2","1") = "9"
    & skf18("10","4","2","3","4","3","1") = "9"
    & skf18("10","4","2","3","4","4","1") = "9"
    & skf18("10","4","2","3","4","5","1") = "9"
    & skf18("10","4","2","3","4","6","1") = "9"
    & skf18("10","4","2","3","4","7","1") = "9"
    & skf18("10","4","2","3","4","8","1") = "9"
    & skf18("10","4","2","3","4","9","1") = "9"
    & skf18("10","4","2","3","4","10","1") = "9"
    & skf18("10","4","2","3","5","1","1") = "9"
    & skf18("10","4","2","3","5","2","1") = "9"
    & skf18("10","4","2","3","5","3","1") = "9"
    & skf18("10","4","2","3","5","4","1") = "9"
    & skf18("10","4","2","3","5","5","1") = "9"
    & skf18("10","4","2","3","5","6","1") = "9"
    & skf18("10","4","2","3","5","7","1") = "9"
    & skf18("10","4","2","3","5","8","1") = "9"
    & skf18("10","4","2","3","5","9","1") = "9"
    & skf18("10","4","2","3","5","10","1") = "9"
    & skf18("10","4","2","3","6","1","1") = "9"
    & skf18("10","4","2","3","6","2","1") = "9"
    & skf18("10","4","2","3","6","3","1") = "9"
    & skf18("10","4","2","3","6","4","1") = "9"
    & skf18("10","4","2","3","6","5","1") = "9"
    & skf18("10","4","2","3","6","6","1") = "9"
    & skf18("10","4","2","3","6","7","1") = "9"
    & skf18("10","4","2","3","6","8","1") = "9"
    & skf18("10","4","2","3","6","9","1") = "9"
    & skf18("10","4","2","3","6","10","1") = "9"
    & skf18("10","4","2","3","7","1","1") = "9"
    & skf18("10","4","2","3","7","2","1") = "9"
    & skf18("10","4","2","3","7","3","1") = "9"
    & skf18("10","4","2","3","7","4","1") = "9"
    & skf18("10","4","2","3","7","5","1") = "9"
    & skf18("10","4","2","3","7","6","1") = "9"
    & skf18("10","4","2","3","7","7","1") = "9"
    & skf18("10","4","2","3","7","8","1") = "9"
    & skf18("10","4","2","3","7","9","1") = "9"
    & skf18("10","4","2","3","7","10","1") = "9"
    & skf18("10","4","2","3","8","1","1") = "9"
    & skf18("10","4","2","3","8","2","1") = "9"
    & skf18("10","4","2","3","8","3","1") = "9"
    & skf18("10","4","2","3","8","4","1") = "9"
    & skf18("10","4","2","3","8","5","1") = "9"
    & skf18("10","4","2","3","8","6","1") = "9"
    & skf18("10","4","2","3","8","7","1") = "9"
    & skf18("10","4","2","3","8","8","1") = "9"
    & skf18("10","4","2","3","8","9","1") = "9"
    & skf18("10","4","2","3","8","10","1") = "9"
    & skf18("10","4","2","3","9","1","1") = "9"
    & skf18("10","4","2","3","9","2","1") = "9"
    & skf18("10","4","2","3","9","3","1") = "9"
    & skf18("10","4","2","3","9","4","1") = "9"
    & skf18("10","4","2","3","9","5","1") = "9"
    & skf18("10","4","2","3","9","6","1") = "9"
    & skf18("10","4","2","3","9","7","1") = "9"
    & skf18("10","4","2","3","9","8","1") = "9"
    & skf18("10","4","2","3","9","9","1") = "9"
    & skf18("10","4","2","3","9","10","1") = "9"
    & skf18("10","4","2","3","10","1","1") = "9"
    & skf18("10","4","2","3","10","2","1") = "9"
    & skf18("10","4","2","3","10","3","1") = "9"
    & skf18("10","4","2","3","10","4","1") = "9"
    & skf18("10","4","2","3","10","5","1") = "9"
    & skf18("10","4","2","3","10","6","1") = "9"
    & skf18("10","4","2","3","10","7","1") = "9"
    & skf18("10","4","2","3","10","8","1") = "9"
    & skf18("10","4","2","3","10","9","1") = "9"
    & skf18("10","4","2","3","10","10","1") = "9"
    & skf18("10","4","2","4","1","1","1") = "9"
    & skf18("10","4","2","4","1","2","1") = "9"
    & skf18("10","4","2","4","1","3","1") = "9"
    & skf18("10","4","2","4","1","4","1") = "9"
    & skf18("10","4","2","4","1","5","1") = "9"
    & skf18("10","4","2","4","1","6","1") = "9"
    & skf18("10","4","2","4","1","7","1") = "9"
    & skf18("10","4","2","4","1","8","1") = "9"
    & skf18("10","4","2","4","1","9","1") = "9"
    & skf18("10","4","2","4","1","10","1") = "9"
    & skf18("10","4","2","4","2","1","1") = "9"
    & skf18("10","4","2","4","2","2","1") = "9"
    & skf18("10","4","2","4","2","3","1") = "9"
    & skf18("10","4","2","4","2","4","1") = "9"
    & skf18("10","4","2","4","2","5","1") = "9"
    & skf18("10","4","2","4","2","6","1") = "9"
    & skf18("10","4","2","4","2","7","1") = "9"
    & skf18("10","4","2","4","2","8","1") = "9"
    & skf18("10","4","2","4","2","9","1") = "9"
    & skf18("10","4","2","4","2","10","1") = "9"
    & skf18("10","4","2","4","3","1","1") = "9"
    & skf18("10","4","2","4","3","2","1") = "9"
    & skf18("10","4","2","4","3","3","1") = "9"
    & skf18("10","4","2","4","3","4","1") = "9"
    & skf18("10","4","2","4","3","5","1") = "9"
    & skf18("10","4","2","4","3","6","1") = "9"
    & skf18("10","4","2","4","3","7","1") = "9"
    & skf18("10","4","2","4","3","8","1") = "9"
    & skf18("10","4","2","4","3","9","1") = "9"
    & skf18("10","4","2","4","3","10","1") = "9"
    & skf18("10","4","2","4","4","1","1") = "9"
    & skf18("10","4","2","4","4","2","1") = "9"
    & skf18("10","4","2","4","4","3","1") = "9"
    & skf18("10","4","2","4","4","4","1") = "9"
    & skf18("10","4","2","4","4","5","1") = "9"
    & skf18("10","4","2","4","4","6","1") = "9"
    & skf18("10","4","2","4","4","7","1") = "9"
    & skf18("10","4","2","4","4","8","1") = "9"
    & skf18("10","4","2","4","4","9","1") = "9"
    & skf18("10","4","2","4","4","10","1") = "9"
    & skf18("10","4","2","4","5","1","1") = "9"
    & skf18("10","4","2","4","5","2","1") = "9"
    & skf18("10","4","2","4","5","3","1") = "9"
    & skf18("10","4","2","4","5","4","1") = "9"
    & skf18("10","4","2","4","5","5","1") = "9"
    & skf18("10","4","2","4","5","6","1") = "9"
    & skf18("10","4","2","4","5","7","1") = "9"
    & skf18("10","4","2","4","5","8","1") = "9"
    & skf18("10","4","2","4","5","9","1") = "9"
    & skf18("10","4","2","4","5","10","1") = "9"
    & skf18("10","4","2","4","6","1","1") = "9"
    & skf18("10","4","2","4","6","2","1") = "9"
    & skf18("10","4","2","4","6","3","1") = "9"
    & skf18("10","4","2","4","6","4","1") = "9"
    & skf18("10","4","2","4","6","5","1") = "9"
    & skf18("10","4","2","4","6","6","1") = "9"
    & skf18("10","4","2","4","6","7","1") = "9"
    & skf18("10","4","2","4","6","8","1") = "9"
    & skf18("10","4","2","4","6","9","1") = "9"
    & skf18("10","4","2","4","6","10","1") = "9"
    & skf18("10","4","2","4","7","1","1") = "9"
    & skf18("10","4","2","4","7","2","1") = "9"
    & skf18("10","4","2","4","7","3","1") = "9"
    & skf18("10","4","2","4","7","4","1") = "9"
    & skf18("10","4","2","4","7","5","1") = "9"
    & skf18("10","4","2","4","7","6","1") = "9"
    & skf18("10","4","2","4","7","7","1") = "9"
    & skf18("10","4","2","4","7","8","1") = "9"
    & skf18("10","4","2","4","7","9","1") = "9"
    & skf18("10","4","2","4","7","10","1") = "9"
    & skf18("10","4","2","4","8","1","1") = "9"
    & skf18("10","4","2","4","8","2","1") = "9"
    & skf18("10","4","2","4","8","3","1") = "9"
    & skf18("10","4","2","4","8","4","1") = "9"
    & skf18("10","4","2","4","8","5","1") = "9"
    & skf18("10","4","2","4","8","6","1") = "9"
    & skf18("10","4","2","4","8","7","1") = "9"
    & skf18("10","4","2","4","8","8","1") = "9"
    & skf18("10","4","2","4","8","9","1") = "9"
    & skf18("10","4","2","4","8","10","1") = "9"
    & skf18("10","4","2","4","9","1","1") = "9"
    & skf18("10","4","2","4","9","2","1") = "9"
    & skf18("10","4","2","4","9","3","1") = "9"
    & skf18("10","4","2","4","9","4","1") = "9"
    & skf18("10","4","2","4","9","5","1") = "9"
    & skf18("10","4","2","4","9","6","1") = "9"
    & skf18("10","4","2","4","9","7","1") = "9"
    & skf18("10","4","2","4","9","8","1") = "9"
    & skf18("10","4","2","4","9","9","1") = "9"
    & skf18("10","4","2","4","9","10","1") = "9"
    & skf18("10","4","2","4","10","1","1") = "9"
    & skf18("10","4","2","4","10","2","1") = "9"
    & skf18("10","4","2","4","10","3","1") = "9"
    & skf18("10","4","2","4","10","4","1") = "9"
    & skf18("10","4","2","4","10","5","1") = "9"
    & skf18("10","4","2","4","10","6","1") = "9"
    & skf18("10","4","2","4","10","7","1") = "9"
    & skf18("10","4","2","4","10","8","1") = "9"
    & skf18("10","4","2","4","10","9","1") = "9"
    & skf18("10","4","2","4","10","10","1") = "9"
    & skf18("10","4","2","5","1","1","1") = "9"
    & skf18("10","4","2","5","1","2","1") = "9"
    & skf18("10","4","2","5","1","3","1") = "9"
    & skf18("10","4","2","5","1","4","1") = "9"
    & skf18("10","4","2","5","1","5","1") = "9"
    & skf18("10","4","2","5","1","6","1") = "9"
    & skf18("10","4","2","5","1","7","1") = "9"
    & skf18("10","4","2","5","1","8","1") = "9"
    & skf18("10","4","2","5","1","9","1") = "9"
    & skf18("10","4","2","5","1","10","1") = "9"
    & skf18("10","4","2","5","2","1","1") = "9"
    & skf18("10","4","2","5","2","2","1") = "9"
    & skf18("10","4","2","5","2","3","1") = "9"
    & skf18("10","4","2","5","2","4","1") = "9"
    & skf18("10","4","2","5","2","5","1") = "9"
    & skf18("10","4","2","5","2","6","1") = "9"
    & skf18("10","4","2","5","2","7","1") = "9"
    & skf18("10","4","2","5","2","8","1") = "9"
    & skf18("10","4","2","5","2","9","1") = "9"
    & skf18("10","4","2","5","2","10","1") = "9"
    & skf18("10","4","2","5","3","1","1") = "9"
    & skf18("10","4","2","5","3","2","1") = "9"
    & skf18("10","4","2","5","3","3","1") = "9"
    & skf18("10","4","2","5","3","4","1") = "9"
    & skf18("10","4","2","5","3","5","1") = "9"
    & skf18("10","4","2","5","3","6","1") = "9"
    & skf18("10","4","2","5","3","7","1") = "9"
    & skf18("10","4","2","5","3","8","1") = "9"
    & skf18("10","4","2","5","3","9","1") = "9"
    & skf18("10","4","2","5","3","10","1") = "9"
    & skf18("10","4","2","5","4","1","1") = "9"
    & skf18("10","4","2","5","4","2","1") = "9"
    & skf18("10","4","2","5","4","3","1") = "9"
    & skf18("10","4","2","5","4","4","1") = "9"
    & skf18("10","4","2","5","4","5","1") = "9"
    & skf18("10","4","2","5","4","6","1") = "9"
    & skf18("10","4","2","5","4","7","1") = "9"
    & skf18("10","4","2","5","4","8","1") = "9"
    & skf18("10","4","2","5","4","9","1") = "9"
    & skf18("10","4","2","5","4","10","1") = "9"
    & skf18("10","4","2","5","5","1","1") = "9"
    & skf18("10","4","2","5","5","2","1") = "9"
    & skf18("10","4","2","5","5","3","1") = "9"
    & skf18("10","4","2","5","5","4","1") = "9"
    & skf18("10","4","2","5","5","5","1") = "9"
    & skf18("10","4","2","5","5","6","1") = "9"
    & skf18("10","4","2","5","5","7","1") = "9"
    & skf18("10","4","2","5","5","8","1") = "9"
    & skf18("10","4","2","5","5","9","1") = "9"
    & skf18("10","4","2","5","5","10","1") = "9"
    & skf18("10","4","2","5","6","1","1") = "9"
    & skf18("10","4","2","5","6","2","1") = "9"
    & skf18("10","4","2","5","6","3","1") = "9"
    & skf18("10","4","2","5","6","4","1") = "9"
    & skf18("10","4","2","5","6","5","1") = "9"
    & skf18("10","4","2","5","6","6","1") = "9"
    & skf18("10","4","2","5","6","7","1") = "9"
    & skf18("10","4","2","5","6","8","1") = "9"
    & skf18("10","4","2","5","6","9","1") = "9"
    & skf18("10","4","2","5","6","10","1") = "9"
    & skf18("10","4","2","5","7","1","1") = "9"
    & skf18("10","4","2","5","7","2","1") = "9"
    & skf18("10","4","2","5","7","3","1") = "9"
    & skf18("10","4","2","5","7","4","1") = "9"
    & skf18("10","4","2","5","7","5","1") = "9"
    & skf18("10","4","2","5","7","6","1") = "9"
    & skf18("10","4","2","5","7","7","1") = "9"
    & skf18("10","4","2","5","7","8","1") = "9"
    & skf18("10","4","2","5","7","9","1") = "9"
    & skf18("10","4","2","5","7","10","1") = "9"
    & skf18("10","4","2","5","8","1","1") = "9"
    & skf18("10","4","2","5","8","2","1") = "9"
    & skf18("10","4","2","5","8","3","1") = "9"
    & skf18("10","4","2","5","8","4","1") = "9"
    & skf18("10","4","2","5","8","5","1") = "9"
    & skf18("10","4","2","5","8","6","1") = "9"
    & skf18("10","4","2","5","8","7","1") = "9"
    & skf18("10","4","2","5","8","8","1") = "9"
    & skf18("10","4","2","5","8","9","1") = "9"
    & skf18("10","4","2","5","8","10","1") = "9"
    & skf18("10","4","2","5","9","1","1") = "9"
    & skf18("10","4","2","5","9","2","1") = "9"
    & skf18("10","4","2","5","9","3","1") = "9"
    & skf18("10","4","2","5","9","4","1") = "9"
    & skf18("10","4","2","5","9","5","1") = "9"
    & skf18("10","4","2","5","9","6","1") = "9"
    & skf18("10","4","2","5","9","7","1") = "9"
    & skf18("10","4","2","5","9","8","1") = "9"
    & skf18("10","4","2","5","9","9","1") = "9"
    & skf18("10","4","2","5","9","10","1") = "9"
    & skf18("10","4","2","5","10","1","1") = "9"
    & skf18("10","4","2","5","10","2","1") = "9"
    & skf18("10","4","2","5","10","3","1") = "9"
    & skf18("10","4","2","5","10","4","1") = "9"
    & skf18("10","4","2","5","10","5","1") = "9"
    & skf18("10","4","2","5","10","6","1") = "9"
    & skf18("10","4","2","5","10","7","1") = "9"
    & skf18("10","4","2","5","10","8","1") = "9"
    & skf18("10","4","2","5","10","9","1") = "9"
    & skf18("10","4","2","5","10","10","1") = "9"
    & skf18("10","4","2","6","1","1","1") = "9"
    & skf18("10","4","2","6","1","2","1") = "9"
    & skf18("10","4","2","6","1","3","1") = "9"
    & skf18("10","4","2","6","1","4","1") = "9"
    & skf18("10","4","2","6","1","5","1") = "9"
    & skf18("10","4","2","6","1","6","1") = "9"
    & skf18("10","4","2","6","1","7","1") = "9"
    & skf18("10","4","2","6","1","8","1") = "9"
    & skf18("10","4","2","6","1","9","1") = "9"
    & skf18("10","4","2","6","1","10","1") = "9"
    & skf18("10","4","2","6","2","1","1") = "9"
    & skf18("10","4","2","6","2","2","1") = "9"
    & skf18("10","4","2","6","2","3","1") = "9"
    & skf18("10","4","2","6","2","4","1") = "9"
    & skf18("10","4","2","6","2","5","1") = "9"
    & skf18("10","4","2","6","2","6","1") = "9"
    & skf18("10","4","2","6","2","7","1") = "9"
    & skf18("10","4","2","6","2","8","1") = "9"
    & skf18("10","4","2","6","2","9","1") = "9"
    & skf18("10","4","2","6","2","10","1") = "9"
    & skf18("10","4","2","6","3","1","1") = "9"
    & skf18("10","4","2","6","3","2","1") = "9"
    & skf18("10","4","2","6","3","3","1") = "9"
    & skf18("10","4","2","6","3","4","1") = "9"
    & skf18("10","4","2","6","3","5","1") = "9"
    & skf18("10","4","2","6","3","6","1") = "9"
    & skf18("10","4","2","6","3","7","1") = "9"
    & skf18("10","4","2","6","3","8","1") = "9"
    & skf18("10","4","2","6","3","9","1") = "9"
    & skf18("10","4","2","6","3","10","1") = "9"
    & skf18("10","4","2","6","4","1","1") = "9"
    & skf18("10","4","2","6","4","2","1") = "9"
    & skf18("10","4","2","6","4","3","1") = "9"
    & skf18("10","4","2","6","4","4","1") = "9"
    & skf18("10","4","2","6","4","5","1") = "9"
    & skf18("10","4","2","6","4","6","1") = "9"
    & skf18("10","4","2","6","4","7","1") = "9"
    & skf18("10","4","2","6","4","8","1") = "9"
    & skf18("10","4","2","6","4","9","1") = "9"
    & skf18("10","4","2","6","4","10","1") = "9"
    & skf18("10","4","2","6","5","1","1") = "9"
    & skf18("10","4","2","6","5","2","1") = "9"
    & skf18("10","4","2","6","5","3","1") = "9"
    & skf18("10","4","2","6","5","4","1") = "9"
    & skf18("10","4","2","6","5","5","1") = "9"
    & skf18("10","4","2","6","5","6","1") = "9"
    & skf18("10","4","2","6","5","7","1") = "9"
    & skf18("10","4","2","6","5","8","1") = "9"
    & skf18("10","4","2","6","5","9","1") = "9"
    & skf18("10","4","2","6","5","10","1") = "9"
    & skf18("10","4","2","6","6","1","1") = "9"
    & skf18("10","4","2","6","6","2","1") = "9"
    & skf18("10","4","2","6","6","3","1") = "9"
    & skf18("10","4","2","6","6","4","1") = "9"
    & skf18("10","4","2","6","6","5","1") = "9"
    & skf18("10","4","2","6","6","6","1") = "9"
    & skf18("10","4","2","6","6","7","1") = "9"
    & skf18("10","4","2","6","6","8","1") = "9"
    & skf18("10","4","2","6","6","9","1") = "9"
    & skf18("10","4","2","6","6","10","1") = "9"
    & skf18("10","4","2","6","7","1","1") = "9"
    & skf18("10","4","2","6","7","2","1") = "9"
    & skf18("10","4","2","6","7","3","1") = "9"
    & skf18("10","4","2","6","7","4","1") = "9"
    & skf18("10","4","2","6","7","5","1") = "9"
    & skf18("10","4","2","6","7","6","1") = "9"
    & skf18("10","4","2","6","7","7","1") = "9"
    & skf18("10","4","2","6","7","8","1") = "9"
    & skf18("10","4","2","6","7","9","1") = "9"
    & skf18("10","4","2","6","7","10","1") = "9"
    & skf18("10","4","2","6","8","1","1") = "9"
    & skf18("10","4","2","6","8","2","1") = "9"
    & skf18("10","4","2","6","8","3","1") = "9"
    & skf18("10","4","2","6","8","4","1") = "9"
    & skf18("10","4","2","6","8","5","1") = "9"
    & skf18("10","4","2","6","8","6","1") = "9"
    & skf18("10","4","2","6","8","7","1") = "9"
    & skf18("10","4","2","6","8","8","1") = "9"
    & skf18("10","4","2","6","8","9","1") = "9"
    & skf18("10","4","2","6","8","10","1") = "9"
    & skf18("10","4","2","6","9","1","1") = "9"
    & skf18("10","4","2","6","9","2","1") = "9"
    & skf18("10","4","2","6","9","3","1") = "9"
    & skf18("10","4","2","6","9","4","1") = "9"
    & skf18("10","4","2","6","9","5","1") = "9"
    & skf18("10","4","2","6","9","6","1") = "9"
    & skf18("10","4","2","6","9","7","1") = "9"
    & skf18("10","4","2","6","9","8","1") = "9"
    & skf18("10","4","2","6","9","9","1") = "9"
    & skf18("10","4","2","6","9","10","1") = "9"
    & skf18("10","4","2","6","10","1","1") = "9"
    & skf18("10","4","2","6","10","2","1") = "9"
    & skf18("10","4","2","6","10","3","1") = "9"
    & skf18("10","4","2","6","10","4","1") = "9"
    & skf18("10","4","2","6","10","5","1") = "9"
    & skf18("10","4","2","6","10","6","1") = "9"
    & skf18("10","4","2","6","10","7","1") = "9"
    & skf18("10","4","2","6","10","8","1") = "9"
    & skf18("10","4","2","6","10","9","1") = "9"
    & skf18("10","4","2","6","10","10","1") = "9"
    & skf18("10","4","2","7","1","1","1") = "9"
    & skf18("10","4","2","7","1","2","1") = "9"
    & skf18("10","4","2","7","1","3","1") = "9"
    & skf18("10","4","2","7","1","4","1") = "9"
    & skf18("10","4","2","7","1","5","1") = "9"
    & skf18("10","4","2","7","1","6","1") = "9"
    & skf18("10","4","2","7","1","7","1") = "9"
    & skf18("10","4","2","7","1","8","1") = "9"
    & skf18("10","4","2","7","1","9","1") = "9"
    & skf18("10","4","2","7","1","10","1") = "9"
    & skf18("10","4","2","7","2","1","1") = "9"
    & skf18("10","4","2","7","2","2","1") = "9"
    & skf18("10","4","2","7","2","3","1") = "9"
    & skf18("10","4","2","7","2","4","1") = "9"
    & skf18("10","4","2","7","2","5","1") = "9"
    & skf18("10","4","2","7","2","6","1") = "9"
    & skf18("10","4","2","7","2","7","1") = "9"
    & skf18("10","4","2","7","2","8","1") = "9"
    & skf18("10","4","2","7","2","9","1") = "9"
    & skf18("10","4","2","7","2","10","1") = "9"
    & skf18("10","4","2","7","3","1","1") = "9"
    & skf18("10","4","2","7","3","2","1") = "9"
    & skf18("10","4","2","7","3","3","1") = "9"
    & skf18("10","4","2","7","3","4","1") = "9"
    & skf18("10","4","2","7","3","5","1") = "9"
    & skf18("10","4","2","7","3","6","1") = "9"
    & skf18("10","4","2","7","3","7","1") = "9"
    & skf18("10","4","2","7","3","8","1") = "9"
    & skf18("10","4","2","7","3","9","1") = "9"
    & skf18("10","4","2","7","3","10","1") = "9"
    & skf18("10","4","2","7","4","1","1") = "9"
    & skf18("10","4","2","7","4","2","1") = "9"
    & skf18("10","4","2","7","4","3","1") = "9"
    & skf18("10","4","2","7","4","4","1") = "9"
    & skf18("10","4","2","7","4","5","1") = "9"
    & skf18("10","4","2","7","4","6","1") = "9"
    & skf18("10","4","2","7","4","7","1") = "9"
    & skf18("10","4","2","7","4","8","1") = "9"
    & skf18("10","4","2","7","4","9","1") = "9"
    & skf18("10","4","2","7","4","10","1") = "9"
    & skf18("10","4","2","7","5","1","1") = "9"
    & skf18("10","4","2","7","5","2","1") = "9"
    & skf18("10","4","2","7","5","3","1") = "9"
    & skf18("10","4","2","7","5","4","1") = "9"
    & skf18("10","4","2","7","5","5","1") = "9"
    & skf18("10","4","2","7","5","6","1") = "9"
    & skf18("10","4","2","7","5","7","1") = "9"
    & skf18("10","4","2","7","5","8","1") = "9"
    & skf18("10","4","2","7","5","9","1") = "9"
    & skf18("10","4","2","7","5","10","1") = "9"
    & skf18("10","4","2","7","6","1","1") = "9"
    & skf18("10","4","2","7","6","2","1") = "9"
    & skf18("10","4","2","7","6","3","1") = "9"
    & skf18("10","4","2","7","6","4","1") = "9"
    & skf18("10","4","2","7","6","5","1") = "9"
    & skf18("10","4","2","7","6","6","1") = "9"
    & skf18("10","4","2","7","6","7","1") = "9"
    & skf18("10","4","2","7","6","8","1") = "9"
    & skf18("10","4","2","7","6","9","1") = "9"
    & skf18("10","4","2","7","6","10","1") = "9"
    & skf18("10","4","2","7","7","1","1") = "9"
    & skf18("10","4","2","7","7","2","1") = "9"
    & skf18("10","4","2","7","7","3","1") = "9"
    & skf18("10","4","2","7","7","4","1") = "9"
    & skf18("10","4","2","7","7","5","1") = "9"
    & skf18("10","4","2","7","7","6","1") = "9"
    & skf18("10","4","2","7","7","7","1") = "9"
    & skf18("10","4","2","7","7","8","1") = "9"
    & skf18("10","4","2","7","7","9","1") = "9"
    & skf18("10","4","2","7","7","10","1") = "9"
    & skf18("10","4","2","7","8","1","1") = "9"
    & skf18("10","4","2","7","8","2","1") = "9"
    & skf18("10","4","2","7","8","3","1") = "9"
    & skf18("10","4","2","7","8","4","1") = "9"
    & skf18("10","4","2","7","8","5","1") = "9"
    & skf18("10","4","2","7","8","6","1") = "9"
    & skf18("10","4","2","7","8","7","1") = "9"
    & skf18("10","4","2","7","8","8","1") = "9"
    & skf18("10","4","2","7","8","9","1") = "9"
    & skf18("10","4","2","7","8","10","1") = "9"
    & skf18("10","4","2","7","9","1","1") = "9"
    & skf18("10","4","2","7","9","2","1") = "9"
    & skf18("10","4","2","7","9","3","1") = "9"
    & skf18("10","4","2","7","9","4","1") = "9"
    & skf18("10","4","2","7","9","5","1") = "9"
    & skf18("10","4","2","7","9","6","1") = "9"
    & skf18("10","4","2","7","9","7","1") = "9"
    & skf18("10","4","2","7","9","8","1") = "9"
    & skf18("10","4","2","7","9","9","1") = "9"
    & skf18("10","4","2","7","9","10","1") = "9"
    & skf18("10","4","2","7","10","1","1") = "9"
    & skf18("10","4","2","7","10","2","1") = "9"
    & skf18("10","4","2","7","10","3","1") = "9"
    & skf18("10","4","2","7","10","4","1") = "9"
    & skf18("10","4","2","7","10","5","1") = "9"
    & skf18("10","4","2","7","10","6","1") = "9"
    & skf18("10","4","2","7","10","7","1") = "9"
    & skf18("10","4","2","7","10","8","1") = "9"
    & skf18("10","4","2","7","10","9","1") = "9"
    & skf18("10","4","2","7","10","10","1") = "9"
    & skf18("10","4","2","8","1","1","1") = "9"
    & skf18("10","4","2","8","1","2","1") = "9"
    & skf18("10","4","2","8","1","3","1") = "9"
    & skf18("10","4","2","8","1","4","1") = "9"
    & skf18("10","4","2","8","1","5","1") = "9"
    & skf18("10","4","2","8","1","6","1") = "9"
    & skf18("10","4","2","8","1","7","1") = "9"
    & skf18("10","4","2","8","1","8","1") = "9"
    & skf18("10","4","2","8","1","9","1") = "9"
    & skf18("10","4","2","8","1","10","1") = "9"
    & skf18("10","4","2","8","2","1","1") = "9"
    & skf18("10","4","2","8","2","2","1") = "9"
    & skf18("10","4","2","8","2","3","1") = "9"
    & skf18("10","4","2","8","2","4","1") = "9"
    & skf18("10","4","2","8","2","5","1") = "9"
    & skf18("10","4","2","8","2","6","1") = "9"
    & skf18("10","4","2","8","2","7","1") = "9"
    & skf18("10","4","2","8","2","8","1") = "9"
    & skf18("10","4","2","8","2","9","1") = "9"
    & skf18("10","4","2","8","2","10","1") = "9"
    & skf18("10","4","2","8","3","1","1") = "9"
    & skf18("10","4","2","8","3","2","1") = "9"
    & skf18("10","4","2","8","3","3","1") = "9"
    & skf18("10","4","2","8","3","4","1") = "9"
    & skf18("10","4","2","8","3","5","1") = "9"
    & skf18("10","4","2","8","3","6","1") = "9"
    & skf18("10","4","2","8","3","7","1") = "9"
    & skf18("10","4","2","8","3","8","1") = "9"
    & skf18("10","4","2","8","3","9","1") = "9"
    & skf18("10","4","2","8","3","10","1") = "9"
    & skf18("10","4","2","8","4","1","1") = "9"
    & skf18("10","4","2","8","4","2","1") = "9"
    & skf18("10","4","2","8","4","3","1") = "9"
    & skf18("10","4","2","8","4","4","1") = "9"
    & skf18("10","4","2","8","4","5","1") = "9"
    & skf18("10","4","2","8","4","6","1") = "9"
    & skf18("10","4","2","8","4","7","1") = "9"
    & skf18("10","4","2","8","4","8","1") = "9"
    & skf18("10","4","2","8","4","9","1") = "9"
    & skf18("10","4","2","8","4","10","1") = "9"
    & skf18("10","4","2","8","5","1","1") = "9"
    & skf18("10","4","2","8","5","2","1") = "9"
    & skf18("10","4","2","8","5","3","1") = "9"
    & skf18("10","4","2","8","5","4","1") = "9"
    & skf18("10","4","2","8","5","5","1") = "9"
    & skf18("10","4","2","8","5","6","1") = "9"
    & skf18("10","4","2","8","5","7","1") = "9"
    & skf18("10","4","2","8","5","8","1") = "9"
    & skf18("10","4","2","8","5","9","1") = "9"
    & skf18("10","4","2","8","5","10","1") = "9"
    & skf18("10","4","2","8","6","1","1") = "9"
    & skf18("10","4","2","8","6","2","1") = "9"
    & skf18("10","4","2","8","6","3","1") = "9"
    & skf18("10","4","2","8","6","4","1") = "9"
    & skf18("10","4","2","8","6","5","1") = "9"
    & skf18("10","4","2","8","6","6","1") = "9"
    & skf18("10","4","2","8","6","7","1") = "9"
    & skf18("10","4","2","8","6","8","1") = "9"
    & skf18("10","4","2","8","6","9","1") = "9"
    & skf18("10","4","2","8","6","10","1") = "9"
    & skf18("10","4","2","8","7","1","1") = "9"
    & skf18("10","4","2","8","7","2","1") = "9"
    & skf18("10","4","2","8","7","3","1") = "9"
    & skf18("10","4","2","8","7","4","1") = "9"
    & skf18("10","4","2","8","7","5","1") = "9"
    & skf18("10","4","2","8","7","6","1") = "9"
    & skf18("10","4","2","8","7","7","1") = "9"
    & skf18("10","4","2","8","7","8","1") = "9"
    & skf18("10","4","2","8","7","9","1") = "9"
    & skf18("10","4","2","8","7","10","1") = "9"
    & skf18("10","4","2","8","8","1","1") = "9"
    & skf18("10","4","2","8","8","2","1") = "9"
    & skf18("10","4","2","8","8","3","1") = "9"
    & skf18("10","4","2","8","8","4","1") = "9"
    & skf18("10","4","2","8","8","5","1") = "9"
    & skf18("10","4","2","8","8","6","1") = "9"
    & skf18("10","4","2","8","8","7","1") = "9"
    & skf18("10","4","2","8","8","8","1") = "9"
    & skf18("10","4","2","8","8","9","1") = "9"
    & skf18("10","4","2","8","8","10","1") = "9"
    & skf18("10","4","2","8","9","1","1") = "9"
    & skf18("10","4","2","8","9","2","1") = "9"
    & skf18("10","4","2","8","9","3","1") = "9"
    & skf18("10","4","2","8","9","4","1") = "9"
    & skf18("10","4","2","8","9","5","1") = "9"
    & skf18("10","4","2","8","9","6","1") = "9"
    & skf18("10","4","2","8","9","7","1") = "9"
    & skf18("10","4","2","8","9","8","1") = "9"
    & skf18("10","4","2","8","9","9","1") = "9"
    & skf18("10","4","2","8","9","10","1") = "9"
    & skf18("10","4","2","8","10","1","1") = "9"
    & skf18("10","4","2","8","10","2","1") = "9"
    & skf18("10","4","2","8","10","3","1") = "9"
    & skf18("10","4","2","8","10","4","1") = "9"
    & skf18("10","4","2","8","10","5","1") = "9"
    & skf18("10","4","2","8","10","6","1") = "9"
    & skf18("10","4","2","8","10","7","1") = "9"
    & skf18("10","4","2","8","10","8","1") = "9"
    & skf18("10","4","2","8","10","9","1") = "9"
    & skf18("10","4","2","8","10","10","1") = "9"
    & skf18("10","4","2","9","1","1","1") = "9"
    & skf18("10","4","2","9","1","2","1") = "9"
    & skf18("10","4","2","9","1","3","1") = "9"
    & skf18("10","4","2","9","1","4","1") = "9"
    & skf18("10","4","2","9","1","5","1") = "9"
    & skf18("10","4","2","9","1","6","1") = "9"
    & skf18("10","4","2","9","1","7","1") = "9"
    & skf18("10","4","2","9","1","8","1") = "9"
    & skf18("10","4","2","9","1","9","1") = "9"
    & skf18("10","4","2","9","1","10","1") = "9"
    & skf18("10","4","2","9","2","1","1") = "9"
    & skf18("10","4","2","9","2","2","1") = "9"
    & skf18("10","4","2","9","2","3","1") = "9"
    & skf18("10","4","2","9","2","4","1") = "9"
    & skf18("10","4","2","9","2","5","1") = "9"
    & skf18("10","4","2","9","2","6","1") = "9"
    & skf18("10","4","2","9","2","7","1") = "9"
    & skf18("10","4","2","9","2","8","1") = "9"
    & skf18("10","4","2","9","2","9","1") = "9"
    & skf18("10","4","2","9","2","10","1") = "9"
    & skf18("10","4","2","9","3","1","1") = "9"
    & skf18("10","4","2","9","3","2","1") = "9"
    & skf18("10","4","2","9","3","3","1") = "9"
    & skf18("10","4","2","9","3","4","1") = "9"
    & skf18("10","4","2","9","3","5","1") = "9"
    & skf18("10","4","2","9","3","6","1") = "9"
    & skf18("10","4","2","9","3","7","1") = "9"
    & skf18("10","4","2","9","3","8","1") = "9"
    & skf18("10","4","2","9","3","9","1") = "9"
    & skf18("10","4","2","9","3","10","1") = "9"
    & skf18("10","4","2","9","4","1","1") = "9"
    & skf18("10","4","2","9","4","2","1") = "9"
    & skf18("10","4","2","9","4","3","1") = "9"
    & skf18("10","4","2","9","4","4","1") = "9"
    & skf18("10","4","2","9","4","5","1") = "9"
    & skf18("10","4","2","9","4","6","1") = "9"
    & skf18("10","4","2","9","4","7","1") = "9"
    & skf18("10","4","2","9","4","8","1") = "9"
    & skf18("10","4","2","9","4","9","1") = "9"
    & skf18("10","4","2","9","4","10","1") = "9"
    & skf18("10","4","2","9","5","1","1") = "9"
    & skf18("10","4","2","9","5","2","1") = "9"
    & skf18("10","4","2","9","5","3","1") = "9"
    & skf18("10","4","2","9","5","4","1") = "9"
    & skf18("10","4","2","9","5","5","1") = "9"
    & skf18("10","4","2","9","5","6","1") = "9"
    & skf18("10","4","2","9","5","7","1") = "9"
    & skf18("10","4","2","9","5","8","1") = "9"
    & skf18("10","4","2","9","5","9","1") = "9"
    & skf18("10","4","2","9","5","10","1") = "9"
    & skf18("10","4","2","9","6","1","1") = "9"
    & skf18("10","4","2","9","6","2","1") = "9"
    & skf18("10","4","2","9","6","3","1") = "9"
    & skf18("10","4","2","9","6","4","1") = "9"
    & skf18("10","4","2","9","6","5","1") = "9"
    & skf18("10","4","2","9","6","6","1") = "9"
    & skf18("10","4","2","9","6","7","1") = "9"
    & skf18("10","4","2","9","6","8","1") = "9"
    & skf18("10","4","2","9","6","9","1") = "9"
    & skf18("10","4","2","9","6","10","1") = "9"
    & skf18("10","4","2","9","7","1","1") = "9"
    & skf18("10","4","2","9","7","2","1") = "9"
    & skf18("10","4","2","9","7","3","1") = "9"
    & skf18("10","4","2","9","7","4","1") = "9"
    & skf18("10","4","2","9","7","5","1") = "9"
    & skf18("10","4","2","9","7","6","1") = "9"
    & skf18("10","4","2","9","7","7","1") = "9"
    & skf18("10","4","2","9","7","8","1") = "9"
    & skf18("10","4","2","9","7","9","1") = "9"
    & skf18("10","4","2","9","7","10","1") = "9"
    & skf18("10","4","2","9","8","1","1") = "9"
    & skf18("10","4","2","9","8","2","1") = "9"
    & skf18("10","4","2","9","8","3","1") = "9"
    & skf18("10","4","2","9","8","4","1") = "9"
    & skf18("10","4","2","9","8","5","1") = "9"
    & skf18("10","4","2","9","8","6","1") = "9"
    & skf18("10","4","2","9","8","7","1") = "9"
    & skf18("10","4","2","9","8","8","1") = "9"
    & skf18("10","4","2","9","8","9","1") = "9"
    & skf18("10","4","2","9","8","10","1") = "9"
    & skf18("10","4","2","9","9","1","1") = "9"
    & skf18("10","4","2","9","9","2","1") = "9"
    & skf18("10","4","2","9","9","3","1") = "9"
    & skf18("10","4","2","9","9","4","1") = "9"
    & skf18("10","4","2","9","9","5","1") = "9"
    & skf18("10","4","2","9","9","6","1") = "9"
    & skf18("10","4","2","9","9","7","1") = "9"
    & skf18("10","4","2","9","9","8","1") = "9"
    & skf18("10","4","2","9","9","9","1") = "9"
    & skf18("10","4","2","9","9","10","1") = "9"
    & skf18("10","4","2","9","10","1","1") = "9"
    & skf18("10","4","2","9","10","2","1") = "9"
    & skf18("10","4","2","9","10","3","1") = "9"
    & skf18("10","4","2","9","10","4","1") = "9"
    & skf18("10","4","2","9","10","5","1") = "9"
    & skf18("10","4","2","9","10","6","1") = "9"
    & skf18("10","4","2","9","10","7","1") = "9"
    & skf18("10","4","2","9","10","8","1") = "9"
    & skf18("10","4","2","9","10","9","1") = "9"
    & skf18("10","4","2","9","10","10","1") = "9"
    & skf18("10","4","2","10","1","1","1") = "9"
    & skf18("10","4","2","10","1","2","1") = "9"
    & skf18("10","4","2","10","1","3","1") = "9"
    & skf18("10","4","2","10","1","4","1") = "9"
    & skf18("10","4","2","10","1","5","1") = "9"
    & skf18("10","4","2","10","1","6","1") = "9"
    & skf18("10","4","2","10","1","7","1") = "9"
    & skf18("10","4","2","10","1","8","1") = "9"
    & skf18("10","4","2","10","1","9","1") = "9"
    & skf18("10","4","2","10","1","10","1") = "9"
    & skf18("10","4","2","10","2","1","1") = "9"
    & skf18("10","4","2","10","2","2","1") = "9"
    & skf18("10","4","2","10","2","3","1") = "9"
    & skf18("10","4","2","10","2","4","1") = "9"
    & skf18("10","4","2","10","2","5","1") = "9"
    & skf18("10","4","2","10","2","6","1") = "9"
    & skf18("10","4","2","10","2","7","1") = "9"
    & skf18("10","4","2","10","2","8","1") = "9"
    & skf18("10","4","2","10","2","9","1") = "9"
    & skf18("10","4","2","10","2","10","1") = "9"
    & skf18("10","4","2","10","3","1","1") = "9"
    & skf18("10","4","2","10","3","2","1") = "9"
    & skf18("10","4","2","10","3","3","1") = "9"
    & skf18("10","4","2","10","3","4","1") = "9"
    & skf18("10","4","2","10","3","5","1") = "9"
    & skf18("10","4","2","10","3","6","1") = "9"
    & skf18("10","4","2","10","3","7","1") = "9"
    & skf18("10","4","2","10","3","8","1") = "9"
    & skf18("10","4","2","10","3","9","1") = "9"
    & skf18("10","4","2","10","3","10","1") = "9"
    & skf18("10","4","2","10","4","1","1") = "9"
    & skf18("10","4","2","10","4","2","1") = "9"
    & skf18("10","4","2","10","4","3","1") = "9"
    & skf18("10","4","2","10","4","4","1") = "9"
    & skf18("10","4","2","10","4","5","1") = "9"
    & skf18("10","4","2","10","4","6","1") = "9"
    & skf18("10","4","2","10","4","7","1") = "9"
    & skf18("10","4","2","10","4","8","1") = "9"
    & skf18("10","4","2","10","4","9","1") = "9"
    & skf18("10","4","2","10","4","10","1") = "9"
    & skf18("10","4","2","10","5","1","1") = "9"
    & skf18("10","4","2","10","5","2","1") = "9"
    & skf18("10","4","2","10","5","3","1") = "9"
    & skf18("10","4","2","10","5","4","1") = "9"
    & skf18("10","4","2","10","5","5","1") = "9"
    & skf18("10","4","2","10","5","6","1") = "9"
    & skf18("10","4","2","10","5","7","1") = "9"
    & skf18("10","4","2","10","5","8","1") = "9"
    & skf18("10","4","2","10","5","9","1") = "9"
    & skf18("10","4","2","10","5","10","1") = "9"
    & skf18("10","4","2","10","6","1","1") = "9"
    & skf18("10","4","2","10","6","2","1") = "9"
    & skf18("10","4","2","10","6","3","1") = "9"
    & skf18("10","4","2","10","6","4","1") = "9"
    & skf18("10","4","2","10","6","5","1") = "9"
    & skf18("10","4","2","10","6","6","1") = "9"
    & skf18("10","4","2","10","6","7","1") = "9"
    & skf18("10","4","2","10","6","8","1") = "9"
    & skf18("10","4","2","10","6","9","1") = "9"
    & skf18("10","4","2","10","6","10","1") = "9"
    & skf18("10","4","2","10","7","1","1") = "9"
    & skf18("10","4","2","10","7","2","1") = "9"
    & skf18("10","4","2","10","7","3","1") = "9"
    & skf18("10","4","2","10","7","4","1") = "9"
    & skf18("10","4","2","10","7","5","1") = "9"
    & skf18("10","4","2","10","7","6","1") = "9"
    & skf18("10","4","2","10","7","7","1") = "9"
    & skf18("10","4","2","10","7","8","1") = "9"
    & skf18("10","4","2","10","7","9","1") = "9"
    & skf18("10","4","2","10","7","10","1") = "9"
    & skf18("10","4","2","10","8","1","1") = "9"
    & skf18("10","4","2","10","8","2","1") = "9"
    & skf18("10","4","2","10","8","3","1") = "9"
    & skf18("10","4","2","10","8","4","1") = "9"
    & skf18("10","4","2","10","8","5","1") = "9"
    & skf18("10","4","2","10","8","6","1") = "9"
    & skf18("10","4","2","10","8","7","1") = "9"
    & skf18("10","4","2","10","8","8","1") = "9"
    & skf18("10","4","2","10","8","9","1") = "9"
    & skf18("10","4","2","10","8","10","1") = "9"
    & skf18("10","4","2","10","9","1","1") = "9"
    & skf18("10","4","2","10","9","2","1") = "9"
    & skf18("10","4","2","10","9","3","1") = "9"
    & skf18("10","4","2","10","9","4","1") = "9"
    & skf18("10","4","2","10","9","5","1") = "9"
    & skf18("10","4","2","10","9","6","1") = "9"
    & skf18("10","4","2","10","9","7","1") = "9"
    & skf18("10","4","2","10","9","8","1") = "9"
    & skf18("10","4","2","10","9","9","1") = "9"
    & skf18("10","4","2","10","9","10","1") = "9"
    & skf18("10","4","2","10","10","1","1") = "9"
    & skf18("10","4","2","10","10","2","1") = "9"
    & skf18("10","4","2","10","10","3","1") = "9"
    & skf18("10","4","2","10","10","4","1") = "9"
    & skf18("10","4","2","10","10","5","1") = "9"
    & skf18("10","4","2","10","10","6","1") = "9"
    & skf18("10","4","2","10","10","7","1") = "9"
    & skf18("10","4","2","10","10","8","1") = "9"
    & skf18("10","4","2","10","10","9","1") = "9"
    & skf18("10","4","2","10","10","10","1") = "9"
    & skf18("10","4","3","1","1","1","1") = "9"
    & skf18("10","4","3","1","1","2","1") = "9"
    & skf18("10","4","3","1","1","3","1") = "9"
    & skf18("10","4","3","1","1","4","1") = "9"
    & skf18("10","4","3","1","1","5","1") = "9"
    & skf18("10","4","3","1","1","6","1") = "9"
    & skf18("10","4","3","1","1","7","1") = "9"
    & skf18("10","4","3","1","1","8","1") = "9"
    & skf18("10","4","3","1","1","9","1") = "9"
    & skf18("10","4","3","1","1","10","1") = "9"
    & skf18("10","4","3","1","2","1","1") = "9"
    & skf18("10","4","3","1","2","2","1") = "9"
    & skf18("10","4","3","1","2","3","1") = "9"
    & skf18("10","4","3","1","2","4","1") = "9"
    & skf18("10","4","3","1","2","5","1") = "9"
    & skf18("10","4","3","1","2","6","1") = "9"
    & skf18("10","4","3","1","2","7","1") = "9"
    & skf18("10","4","3","1","2","8","1") = "9"
    & skf18("10","4","3","1","2","9","1") = "9"
    & skf18("10","4","3","1","2","10","1") = "9"
    & skf18("10","4","3","1","3","1","1") = "9"
    & skf18("10","4","3","1","3","2","1") = "9"
    & skf18("10","4","3","1","3","3","1") = "9"
    & skf18("10","4","3","1","3","4","1") = "9"
    & skf18("10","4","3","1","3","5","1") = "9"
    & skf18("10","4","3","1","3","6","1") = "9"
    & skf18("10","4","3","1","3","7","1") = "9"
    & skf18("10","4","3","1","3","8","1") = "9"
    & skf18("10","4","3","1","3","9","1") = "9"
    & skf18("10","4","3","1","3","10","1") = "9"
    & skf18("10","4","3","1","4","1","1") = "9"
    & skf18("10","4","3","1","4","2","1") = "9"
    & skf18("10","4","3","1","4","3","1") = "9"
    & skf18("10","4","3","1","4","4","1") = "9"
    & skf18("10","4","3","1","4","5","1") = "9"
    & skf18("10","4","3","1","4","6","1") = "9"
    & skf18("10","4","3","1","4","7","1") = "9"
    & skf18("10","4","3","1","4","8","1") = "9"
    & skf18("10","4","3","1","4","9","1") = "9"
    & skf18("10","4","3","1","4","10","1") = "9"
    & skf18("10","4","3","1","5","1","1") = "9"
    & skf18("10","4","3","1","5","2","1") = "9"
    & skf18("10","4","3","1","5","3","1") = "9"
    & skf18("10","4","3","1","5","4","1") = "9"
    & skf18("10","4","3","1","5","5","1") = "9"
    & skf18("10","4","3","1","5","6","1") = "9"
    & skf18("10","4","3","1","5","7","1") = "9"
    & skf18("10","4","3","1","5","8","1") = "9"
    & skf18("10","4","3","1","5","9","1") = "9"
    & skf18("10","4","3","1","5","10","1") = "9"
    & skf18("10","4","3","1","6","1","1") = "9"
    & skf18("10","4","3","1","6","2","1") = "9"
    & skf18("10","4","3","1","6","3","1") = "9"
    & skf18("10","4","3","1","6","4","1") = "9"
    & skf18("10","4","3","1","6","5","1") = "9"
    & skf18("10","4","3","1","6","6","1") = "9"
    & skf18("10","4","3","1","6","7","1") = "9"
    & skf18("10","4","3","1","6","8","1") = "9"
    & skf18("10","4","3","1","6","9","1") = "9"
    & skf18("10","4","3","1","6","10","1") = "9"
    & skf18("10","4","3","1","7","1","1") = "9"
    & skf18("10","4","3","1","7","2","1") = "9"
    & skf18("10","4","3","1","7","3","1") = "9"
    & skf18("10","4","3","1","7","4","1") = "9"
    & skf18("10","4","3","1","7","5","1") = "9"
    & skf18("10","4","3","1","7","6","1") = "9"
    & skf18("10","4","3","1","7","7","1") = "9"
    & skf18("10","4","3","1","7","8","1") = "9"
    & skf18("10","4","3","1","7","9","1") = "9"
    & skf18("10","4","3","1","7","10","1") = "9"
    & skf18("10","4","3","1","8","1","1") = "9"
    & skf18("10","4","3","1","8","2","1") = "9"
    & skf18("10","4","3","1","8","3","1") = "9"
    & skf18("10","4","3","1","8","4","1") = "9"
    & skf18("10","4","3","1","8","5","1") = "9"
    & skf18("10","4","3","1","8","6","1") = "9"
    & skf18("10","4","3","1","8","7","1") = "9"
    & skf18("10","4","3","1","8","8","1") = "9"
    & skf18("10","4","3","1","8","9","1") = "9"
    & skf18("10","4","3","1","8","10","1") = "9"
    & skf18("10","4","3","1","9","1","1") = "9"
    & skf18("10","4","3","1","9","2","1") = "9"
    & skf18("10","4","3","1","9","3","1") = "9"
    & skf18("10","4","3","1","9","4","1") = "9"
    & skf18("10","4","3","1","9","5","1") = "9"
    & skf18("10","4","3","1","9","6","1") = "9"
    & skf18("10","4","3","1","9","7","1") = "9"
    & skf18("10","4","3","1","9","8","1") = "9"
    & skf18("10","4","3","1","9","9","1") = "9"
    & skf18("10","4","3","1","9","10","1") = "9"
    & skf18("10","4","3","1","10","1","1") = "9"
    & skf18("10","4","3","1","10","2","1") = "9"
    & skf18("10","4","3","1","10","3","1") = "9"
    & skf18("10","4","3","1","10","4","1") = "9"
    & skf18("10","4","3","1","10","5","1") = "9"
    & skf18("10","4","3","1","10","6","1") = "9"
    & skf18("10","4","3","1","10","7","1") = "9"
    & skf18("10","4","3","1","10","8","1") = "9"
    & skf18("10","4","3","1","10","9","1") = "9"
    & skf18("10","4","3","1","10","10","1") = "9"
    & skf18("10","4","3","2","1","1","1") = "9"
    & skf18("10","4","3","2","1","2","1") = "9"
    & skf18("10","4","3","2","1","3","1") = "9"
    & skf18("10","4","3","2","1","4","1") = "9"
    & skf18("10","4","3","2","1","5","1") = "9"
    & skf18("10","4","3","2","1","6","1") = "9"
    & skf18("10","4","3","2","1","7","1") = "9"
    & skf18("10","4","3","2","1","8","1") = "9"
    & skf18("10","4","3","2","1","9","1") = "9"
    & skf18("10","4","3","2","1","10","1") = "9"
    & skf18("10","4","3","2","2","1","1") = "9"
    & skf18("10","4","3","2","2","2","1") = "9"
    & skf18("10","4","3","2","2","3","1") = "9"
    & skf18("10","4","3","2","2","4","1") = "9"
    & skf18("10","4","3","2","2","5","1") = "9"
    & skf18("10","4","3","2","2","6","1") = "9"
    & skf18("10","4","3","2","2","7","1") = "9"
    & skf18("10","4","3","2","2","8","1") = "9"
    & skf18("10","4","3","2","2","9","1") = "9"
    & skf18("10","4","3","2","2","10","1") = "9"
    & skf18("10","4","3","2","3","1","1") = "9"
    & skf18("10","4","3","2","3","2","1") = "9"
    & skf18("10","4","3","2","3","3","1") = "9"
    & skf18("10","4","3","2","3","4","1") = "9"
    & skf18("10","4","3","2","3","5","1") = "9"
    & skf18("10","4","3","2","3","6","1") = "9"
    & skf18("10","4","3","2","3","7","1") = "9"
    & skf18("10","4","3","2","3","8","1") = "9"
    & skf18("10","4","3","2","3","9","1") = "9"
    & skf18("10","4","3","2","3","10","1") = "9"
    & skf18("10","4","3","2","4","1","1") = "9"
    & skf18("10","4","3","2","4","2","1") = "9"
    & skf18("10","4","3","2","4","3","1") = "9"
    & skf18("10","4","3","2","4","4","1") = "9"
    & skf18("10","4","3","2","4","5","1") = "9"
    & skf18("10","4","3","2","4","6","1") = "9"
    & skf18("10","4","3","2","4","7","1") = "9"
    & skf18("10","4","3","2","4","8","1") = "9"
    & skf18("10","4","3","2","4","9","1") = "9"
    & skf18("10","4","3","2","4","10","1") = "9"
    & skf18("10","4","3","2","5","1","1") = "9"
    & skf18("10","4","3","2","5","2","1") = "9"
    & skf18("10","4","3","2","5","3","1") = "9"
    & skf18("10","4","3","2","5","4","1") = "9"
    & skf18("10","4","3","2","5","5","1") = "9"
    & skf18("10","4","3","2","5","6","1") = "9"
    & skf18("10","4","3","2","5","7","1") = "9"
    & skf18("10","4","3","2","5","8","1") = "9"
    & skf18("10","4","3","2","5","9","1") = "9"
    & skf18("10","4","3","2","5","10","1") = "9"
    & skf18("10","4","3","2","6","1","1") = "9"
    & skf18("10","4","3","2","6","2","1") = "9"
    & skf18("10","4","3","2","6","3","1") = "9"
    & skf18("10","4","3","2","6","4","1") = "9"
    & skf18("10","4","3","2","6","5","1") = "9"
    & skf18("10","4","3","2","6","6","1") = "9"
    & skf18("10","4","3","2","6","7","1") = "9"
    & skf18("10","4","3","2","6","8","1") = "9"
    & skf18("10","4","3","2","6","9","1") = "9"
    & skf18("10","4","3","2","6","10","1") = "9"
    & skf18("10","4","3","2","7","1","1") = "9"
    & skf18("10","4","3","2","7","2","1") = "9"
    & skf18("10","4","3","2","7","3","1") = "9"
    & skf18("10","4","3","2","7","4","1") = "9"
    & skf18("10","4","3","2","7","5","1") = "9"
    & skf18("10","4","3","2","7","6","1") = "9"
    & skf18("10","4","3","2","7","7","1") = "9"
    & skf18("10","4","3","2","7","8","1") = "9"
    & skf18("10","4","3","2","7","9","1") = "9"
    & skf18("10","4","3","2","7","10","1") = "9"
    & skf18("10","4","3","2","8","1","1") = "9"
    & skf18("10","4","3","2","8","2","1") = "9"
    & skf18("10","4","3","2","8","3","1") = "9"
    & skf18("10","4","3","2","8","4","1") = "9"
    & skf18("10","4","3","2","8","5","1") = "9"
    & skf18("10","4","3","2","8","6","1") = "9"
    & skf18("10","4","3","2","8","7","1") = "9"
    & skf18("10","4","3","2","8","8","1") = "9"
    & skf18("10","4","3","2","8","9","1") = "9"
    & skf18("10","4","3","2","8","10","1") = "9"
    & skf18("10","4","3","2","9","1","1") = "9"
    & skf18("10","4","3","2","9","2","1") = "9"
    & skf18("10","4","3","2","9","3","1") = "9"
    & skf18("10","4","3","2","9","4","1") = "9"
    & skf18("10","4","3","2","9","5","1") = "9"
    & skf18("10","4","3","2","9","6","1") = "9"
    & skf18("10","4","3","2","9","7","1") = "9"
    & skf18("10","4","3","2","9","8","1") = "9"
    & skf18("10","4","3","2","9","9","1") = "9"
    & skf18("10","4","3","2","9","10","1") = "9"
    & skf18("10","4","3","2","10","1","1") = "9"
    & skf18("10","4","3","2","10","2","1") = "9"
    & skf18("10","4","3","2","10","3","1") = "9"
    & skf18("10","4","3","2","10","4","1") = "9"
    & skf18("10","4","3","2","10","5","1") = "9"
    & skf18("10","4","3","2","10","6","1") = "9"
    & skf18("10","4","3","2","10","7","1") = "9"
    & skf18("10","4","3","2","10","8","1") = "9"
    & skf18("10","4","3","2","10","9","1") = "9"
    & skf18("10","4","3","2","10","10","1") = "9"
    & skf18("10","4","3","3","1","1","1") = "9"
    & skf18("10","4","3","3","1","2","1") = "9"
    & skf18("10","4","3","3","1","3","1") = "9"
    & skf18("10","4","3","3","1","4","1") = "9"
    & skf18("10","4","3","3","1","5","1") = "9"
    & skf18("10","4","3","3","1","6","1") = "9"
    & skf18("10","4","3","3","1","7","1") = "9"
    & skf18("10","4","3","3","1","8","1") = "9"
    & skf18("10","4","3","3","1","9","1") = "9"
    & skf18("10","4","3","3","1","10","1") = "9"
    & skf18("10","4","3","3","2","1","1") = "9"
    & skf18("10","4","3","3","2","2","1") = "9"
    & skf18("10","4","3","3","2","3","1") = "9"
    & skf18("10","4","3","3","2","4","1") = "9"
    & skf18("10","4","3","3","2","5","1") = "9"
    & skf18("10","4","3","3","2","6","1") = "9"
    & skf18("10","4","3","3","2","7","1") = "9"
    & skf18("10","4","3","3","2","8","1") = "9"
    & skf18("10","4","3","3","2","9","1") = "9"
    & skf18("10","4","3","3","2","10","1") = "9"
    & skf18("10","4","3","3","3","1","1") = "9"
    & skf18("10","4","3","3","3","2","1") = "9"
    & skf18("10","4","3","3","3","3","1") = "9"
    & skf18("10","4","3","3","3","4","1") = "9"
    & skf18("10","4","3","3","3","5","1") = "9"
    & skf18("10","4","3","3","3","6","1") = "9"
    & skf18("10","4","3","3","3","7","1") = "9"
    & skf18("10","4","3","3","3","8","1") = "9"
    & skf18("10","4","3","3","3","9","1") = "9"
    & skf18("10","4","3","3","3","10","1") = "9"
    & skf18("10","4","3","3","4","1","1") = "9"
    & skf18("10","4","3","3","4","2","1") = "9"
    & skf18("10","4","3","3","4","3","1") = "9"
    & skf18("10","4","3","3","4","4","1") = "9"
    & skf18("10","4","3","3","4","5","1") = "9"
    & skf18("10","4","3","3","4","6","1") = "9"
    & skf18("10","4","3","3","4","7","1") = "9"
    & skf18("10","4","3","3","4","8","1") = "9"
    & skf18("10","4","3","3","4","9","1") = "9"
    & skf18("10","4","3","3","4","10","1") = "9"
    & skf18("10","4","3","3","5","1","1") = "9"
    & skf18("10","4","3","3","5","2","1") = "9"
    & skf18("10","4","3","3","5","3","1") = "9"
    & skf18("10","4","3","3","5","4","1") = "9"
    & skf18("10","4","3","3","5","5","1") = "9"
    & skf18("10","4","3","3","5","6","1") = "9"
    & skf18("10","4","3","3","5","7","1") = "9"
    & skf18("10","4","3","3","5","8","1") = "9"
    & skf18("10","4","3","3","5","9","1") = "9"
    & skf18("10","4","3","3","5","10","1") = "9"
    & skf18("10","4","3","3","6","1","1") = "9"
    & skf18("10","4","3","3","6","2","1") = "9"
    & skf18("10","4","3","3","6","3","1") = "9"
    & skf18("10","4","3","3","6","4","1") = "9"
    & skf18("10","4","3","3","6","5","1") = "9"
    & skf18("10","4","3","3","6","6","1") = "9"
    & skf18("10","4","3","3","6","7","1") = "9"
    & skf18("10","4","3","3","6","8","1") = "9"
    & skf18("10","4","3","3","6","9","1") = "9"
    & skf18("10","4","3","3","6","10","1") = "9"
    & skf18("10","4","3","3","7","1","1") = "9"
    & skf18("10","4","3","3","7","2","1") = "9"
    & skf18("10","4","3","3","7","3","1") = "9"
    & skf18("10","4","3","3","7","4","1") = "9"
    & skf18("10","4","3","3","7","5","1") = "9"
    & skf18("10","4","3","3","7","6","1") = "9"
    & skf18("10","4","3","3","7","7","1") = "9"
    & skf18("10","4","3","3","7","8","1") = "9"
    & skf18("10","4","3","3","7","9","1") = "9"
    & skf18("10","4","3","3","7","10","1") = "9"
    & skf18("10","4","3","3","8","1","1") = "9"
    & skf18("10","4","3","3","8","2","1") = "9"
    & skf18("10","4","3","3","8","3","1") = "9"
    & skf18("10","4","3","3","8","4","1") = "9"
    & skf18("10","4","3","3","8","5","1") = "9"
    & skf18("10","4","3","3","8","6","1") = "9"
    & skf18("10","4","3","3","8","7","1") = "9"
    & skf18("10","4","3","3","8","8","1") = "9"
    & skf18("10","4","3","3","8","9","1") = "9"
    & skf18("10","4","3","3","8","10","1") = "9"
    & skf18("10","4","3","3","9","1","1") = "9"
    & skf18("10","4","3","3","9","2","1") = "9"
    & skf18("10","4","3","3","9","3","1") = "9"
    & skf18("10","4","3","3","9","4","1") = "9"
    & skf18("10","4","3","3","9","5","1") = "9"
    & skf18("10","4","3","3","9","6","1") = "9"
    & skf18("10","4","3","3","9","7","1") = "9"
    & skf18("10","4","3","3","9","8","1") = "9"
    & skf18("10","4","3","3","9","9","1") = "9"
    & skf18("10","4","3","3","9","10","1") = "9"
    & skf18("10","4","3","3","10","1","1") = "9"
    & skf18("10","4","3","3","10","2","1") = "9"
    & skf18("10","4","3","3","10","3","1") = "9"
    & skf18("10","4","3","3","10","4","1") = "9"
    & skf18("10","4","3","3","10","5","1") = "9"
    & skf18("10","4","3","3","10","6","1") = "9"
    & skf18("10","4","3","3","10","7","1") = "9"
    & skf18("10","4","3","3","10","8","1") = "9"
    & skf18("10","4","3","3","10","9","1") = "9"
    & skf18("10","4","3","3","10","10","1") = "9"
    & skf18("10","4","3","4","1","1","1") = "9"
    & skf18("10","4","3","4","1","2","1") = "9"
    & skf18("10","4","3","4","1","3","1") = "9"
    & skf18("10","4","3","4","1","4","1") = "9"
    & skf18("10","4","3","4","1","5","1") = "9"
    & skf18("10","4","3","4","1","6","1") = "9"
    & skf18("10","4","3","4","1","7","1") = "9"
    & skf18("10","4","3","4","1","8","1") = "9"
    & skf18("10","4","3","4","1","9","1") = "9"
    & skf18("10","4","3","4","1","10","1") = "9"
    & skf18("10","4","3","4","2","1","1") = "9"
    & skf18("10","4","3","4","2","2","1") = "9"
    & skf18("10","4","3","4","2","3","1") = "9"
    & skf18("10","4","3","4","2","4","1") = "9"
    & skf18("10","4","3","4","2","5","1") = "9"
    & skf18("10","4","3","4","2","6","1") = "9"
    & skf18("10","4","3","4","2","7","1") = "9"
    & skf18("10","4","3","4","2","8","1") = "9"
    & skf18("10","4","3","4","2","9","1") = "9"
    & skf18("10","4","3","4","2","10","1") = "9"
    & skf18("10","4","3","4","3","1","1") = "9"
    & skf18("10","4","3","4","3","2","1") = "9"
    & skf18("10","4","3","4","3","3","1") = "9"
    & skf18("10","4","3","4","3","4","1") = "9"
    & skf18("10","4","3","4","3","5","1") = "9"
    & skf18("10","4","3","4","3","6","1") = "9"
    & skf18("10","4","3","4","3","7","1") = "9"
    & skf18("10","4","3","4","3","8","1") = "9"
    & skf18("10","4","3","4","3","9","1") = "9"
    & skf18("10","4","3","4","3","10","1") = "9"
    & skf18("10","4","3","4","4","1","1") = "9"
    & skf18("10","4","3","4","4","2","1") = "9"
    & skf18("10","4","3","4","4","3","1") = "9"
    & skf18("10","4","3","4","4","4","1") = "9"
    & skf18("10","4","3","4","4","5","1") = "9"
    & skf18("10","4","3","4","4","6","1") = "9"
    & skf18("10","4","3","4","4","7","1") = "9"
    & skf18("10","4","3","4","4","8","1") = "9"
    & skf18("10","4","3","4","4","9","1") = "9"
    & skf18("10","4","3","4","4","10","1") = "9"
    & skf18("10","4","3","4","5","1","1") = "9"
    & skf18("10","4","3","4","5","2","1") = "9"
    & skf18("10","4","3","4","5","3","1") = "9"
    & skf18("10","4","3","4","5","4","1") = "9"
    & skf18("10","4","3","4","5","5","1") = "9"
    & skf18("10","4","3","4","5","6","1") = "9"
    & skf18("10","4","3","4","5","7","1") = "9"
    & skf18("10","4","3","4","5","8","1") = "9"
    & skf18("10","4","3","4","5","9","1") = "9"
    & skf18("10","4","3","4","5","10","1") = "9"
    & skf18("10","4","3","4","6","1","1") = "9"
    & skf18("10","4","3","4","6","2","1") = "9"
    & skf18("10","4","3","4","6","3","1") = "9"
    & skf18("10","4","3","4","6","4","1") = "9"
    & skf18("10","4","3","4","6","5","1") = "9"
    & skf18("10","4","3","4","6","6","1") = "9"
    & skf18("10","4","3","4","6","7","1") = "9"
    & skf18("10","4","3","4","6","8","1") = "9"
    & skf18("10","4","3","4","6","9","1") = "9"
    & skf18("10","4","3","4","6","10","1") = "9"
    & skf18("10","4","3","4","7","1","1") = "9"
    & skf18("10","4","3","4","7","2","1") = "9"
    & skf18("10","4","3","4","7","3","1") = "9"
    & skf18("10","4","3","4","7","4","1") = "9"
    & skf18("10","4","3","4","7","5","1") = "9"
    & skf18("10","4","3","4","7","6","1") = "9"
    & skf18("10","4","3","4","7","7","1") = "9"
    & skf18("10","4","3","4","7","8","1") = "9"
    & skf18("10","4","3","4","7","9","1") = "9"
    & skf18("10","4","3","4","7","10","1") = "9"
    & skf18("10","4","3","4","8","1","1") = "9"
    & skf18("10","4","3","4","8","2","1") = "9"
    & skf18("10","4","3","4","8","3","1") = "9"
    & skf18("10","4","3","4","8","4","1") = "9"
    & skf18("10","4","3","4","8","5","1") = "9"
    & skf18("10","4","3","4","8","6","1") = "9"
    & skf18("10","4","3","4","8","7","1") = "9"
    & skf18("10","4","3","4","8","8","1") = "9"
    & skf18("10","4","3","4","8","9","1") = "9"
    & skf18("10","4","3","4","8","10","1") = "9"
    & skf18("10","4","3","4","9","1","1") = "9"
    & skf18("10","4","3","4","9","2","1") = "9"
    & skf18("10","4","3","4","9","3","1") = "9"
    & skf18("10","4","3","4","9","4","1") = "9"
    & skf18("10","4","3","4","9","5","1") = "9"
    & skf18("10","4","3","4","9","6","1") = "9"
    & skf18("10","4","3","4","9","7","1") = "9"
    & skf18("10","4","3","4","9","8","1") = "9"
    & skf18("10","4","3","4","9","9","1") = "9"
    & skf18("10","4","3","4","9","10","1") = "9"
    & skf18("10","4","3","4","10","1","1") = "9"
    & skf18("10","4","3","4","10","2","1") = "9"
    & skf18("10","4","3","4","10","3","1") = "9"
    & skf18("10","4","3","4","10","4","1") = "9"
    & skf18("10","4","3","4","10","5","1") = "9"
    & skf18("10","4","3","4","10","6","1") = "9"
    & skf18("10","4","3","4","10","7","1") = "9"
    & skf18("10","4","3","4","10","8","1") = "9"
    & skf18("10","4","3","4","10","9","1") = "9"
    & skf18("10","4","3","4","10","10","1") = "9"
    & skf18("10","4","3","5","1","1","1") = "9"
    & skf18("10","4","3","5","1","2","1") = "9"
    & skf18("10","4","3","5","1","3","1") = "9"
    & skf18("10","4","3","5","1","4","1") = "9"
    & skf18("10","4","3","5","1","5","1") = "9"
    & skf18("10","4","3","5","1","6","1") = "9"
    & skf18("10","4","3","5","1","7","1") = "9"
    & skf18("10","4","3","5","1","8","1") = "9"
    & skf18("10","4","3","5","1","9","1") = "9"
    & skf18("10","4","3","5","1","10","1") = "9"
    & skf18("10","4","3","5","2","1","1") = "9"
    & skf18("10","4","3","5","2","2","1") = "9"
    & skf18("10","4","3","5","2","3","1") = "9"
    & skf18("10","4","3","5","2","4","1") = "9"
    & skf18("10","4","3","5","2","5","1") = "9"
    & skf18("10","4","3","5","2","6","1") = "9"
    & skf18("10","4","3","5","2","7","1") = "9"
    & skf18("10","4","3","5","2","8","1") = "9"
    & skf18("10","4","3","5","2","9","1") = "9"
    & skf18("10","4","3","5","2","10","1") = "9"
    & skf18("10","4","3","5","3","1","1") = "9"
    & skf18("10","4","3","5","3","2","1") = "9"
    & skf18("10","4","3","5","3","3","1") = "9"
    & skf18("10","4","3","5","3","4","1") = "9"
    & skf18("10","4","3","5","3","5","1") = "9"
    & skf18("10","4","3","5","3","6","1") = "9"
    & skf18("10","4","3","5","3","7","1") = "9"
    & skf18("10","4","3","5","3","8","1") = "9"
    & skf18("10","4","3","5","3","9","1") = "9"
    & skf18("10","4","3","5","3","10","1") = "9"
    & skf18("10","4","3","5","4","1","1") = "9"
    & skf18("10","4","3","5","4","2","1") = "9"
    & skf18("10","4","3","5","4","3","1") = "9"
    & skf18("10","4","3","5","4","4","1") = "9"
    & skf18("10","4","3","5","4","5","1") = "9"
    & skf18("10","4","3","5","4","6","1") = "9"
    & skf18("10","4","3","5","4","7","1") = "9"
    & skf18("10","4","3","5","4","8","1") = "9"
    & skf18("10","4","3","5","4","9","1") = "9"
    & skf18("10","4","3","5","4","10","1") = "9"
    & skf18("10","4","3","5","5","1","1") = "9"
    & skf18("10","4","3","5","5","2","1") = "9"
    & skf18("10","4","3","5","5","3","1") = "9"
    & skf18("10","4","3","5","5","4","1") = "9"
    & skf18("10","4","3","5","5","5","1") = "9"
    & skf18("10","4","3","5","5","6","1") = "9"
    & skf18("10","4","3","5","5","7","1") = "9"
    & skf18("10","4","3","5","5","8","1") = "9"
    & skf18("10","4","3","5","5","9","1") = "9"
    & skf18("10","4","3","5","5","10","1") = "9"
    & skf18("10","4","3","5","6","1","1") = "9"
    & skf18("10","4","3","5","6","2","1") = "9"
    & skf18("10","4","3","5","6","3","1") = "9"
    & skf18("10","4","3","5","6","4","1") = "9"
    & skf18("10","4","3","5","6","5","1") = "9"
    & skf18("10","4","3","5","6","6","1") = "9"
    & skf18("10","4","3","5","6","7","1") = "9"
    & skf18("10","4","3","5","6","8","1") = "9"
    & skf18("10","4","3","5","6","9","1") = "9"
    & skf18("10","4","3","5","6","10","1") = "9"
    & skf18("10","4","3","5","7","1","1") = "9"
    & skf18("10","4","3","5","7","2","1") = "9"
    & skf18("10","4","3","5","7","3","1") = "9"
    & skf18("10","4","3","5","7","4","1") = "9"
    & skf18("10","4","3","5","7","5","1") = "9"
    & skf18("10","4","3","5","7","6","1") = "9"
    & skf18("10","4","3","5","7","7","1") = "9"
    & skf18("10","4","3","5","7","8","1") = "9"
    & skf18("10","4","3","5","7","9","1") = "9"
    & skf18("10","4","3","5","7","10","1") = "9"
    & skf18("10","4","3","5","8","1","1") = "9"
    & skf18("10","4","3","5","8","2","1") = "9"
    & skf18("10","4","3","5","8","3","1") = "9"
    & skf18("10","4","3","5","8","4","1") = "9"
    & skf18("10","4","3","5","8","5","1") = "9"
    & skf18("10","4","3","5","8","6","1") = "9"
    & skf18("10","4","3","5","8","7","1") = "9"
    & skf18("10","4","3","5","8","8","1") = "9"
    & skf18("10","4","3","5","8","9","1") = "9"
    & skf18("10","4","3","5","8","10","1") = "9"
    & skf18("10","4","3","5","9","1","1") = "9"
    & skf18("10","4","3","5","9","2","1") = "9"
    & skf18("10","4","3","5","9","3","1") = "9"
    & skf18("10","4","3","5","9","4","1") = "9"
    & skf18("10","4","3","5","9","5","1") = "9"
    & skf18("10","4","3","5","9","6","1") = "9"
    & skf18("10","4","3","5","9","7","1") = "9"
    & skf18("10","4","3","5","9","8","1") = "9"
    & skf18("10","4","3","5","9","9","1") = "9"
    & skf18("10","4","3","5","9","10","1") = "9"
    & skf18("10","4","3","5","10","1","1") = "9"
    & skf18("10","4","3","5","10","2","1") = "9"
    & skf18("10","4","3","5","10","3","1") = "9"
    & skf18("10","4","3","5","10","4","1") = "9"
    & skf18("10","4","3","5","10","5","1") = "9"
    & skf18("10","4","3","5","10","6","1") = "9"
    & skf18("10","4","3","5","10","7","1") = "9"
    & skf18("10","4","3","5","10","8","1") = "9"
    & skf18("10","4","3","5","10","9","1") = "9"
    & skf18("10","4","3","5","10","10","1") = "9"
    & skf18("10","4","3","6","1","1","1") = "9"
    & skf18("10","4","3","6","1","2","1") = "9"
    & skf18("10","4","3","6","1","3","1") = "9"
    & skf18("10","4","3","6","1","4","1") = "9"
    & skf18("10","4","3","6","1","5","1") = "9"
    & skf18("10","4","3","6","1","6","1") = "9"
    & skf18("10","4","3","6","1","7","1") = "9"
    & skf18("10","4","3","6","1","8","1") = "9"
    & skf18("10","4","3","6","1","9","1") = "9"
    & skf18("10","4","3","6","1","10","1") = "9"
    & skf18("10","4","3","6","2","1","1") = "9"
    & skf18("10","4","3","6","2","2","1") = "9"
    & skf18("10","4","3","6","2","3","1") = "9"
    & skf18("10","4","3","6","2","4","1") = "9"
    & skf18("10","4","3","6","2","5","1") = "9"
    & skf18("10","4","3","6","2","6","1") = "9"
    & skf18("10","4","3","6","2","7","1") = "9"
    & skf18("10","4","3","6","2","8","1") = "9"
    & skf18("10","4","3","6","2","9","1") = "9"
    & skf18("10","4","3","6","2","10","1") = "9"
    & skf18("10","4","3","6","3","1","1") = "9"
    & skf18("10","4","3","6","3","2","1") = "9"
    & skf18("10","4","3","6","3","3","1") = "9"
    & skf18("10","4","3","6","3","4","1") = "9"
    & skf18("10","4","3","6","3","5","1") = "9"
    & skf18("10","4","3","6","3","6","1") = "9"
    & skf18("10","4","3","6","3","7","1") = "9"
    & skf18("10","4","3","6","3","8","1") = "9"
    & skf18("10","4","3","6","3","9","1") = "9"
    & skf18("10","4","3","6","3","10","1") = "9"
    & skf18("10","4","3","6","4","1","1") = "9"
    & skf18("10","4","3","6","4","2","1") = "9"
    & skf18("10","4","3","6","4","3","1") = "9"
    & skf18("10","4","3","6","4","4","1") = "9"
    & skf18("10","4","3","6","4","5","1") = "9"
    & skf18("10","4","3","6","4","6","1") = "9"
    & skf18("10","4","3","6","4","7","1") = "9"
    & skf18("10","4","3","6","4","8","1") = "9"
    & skf18("10","4","3","6","4","9","1") = "9"
    & skf18("10","4","3","6","4","10","1") = "9"
    & skf18("10","4","3","6","5","1","1") = "9"
    & skf18("10","4","3","6","5","2","1") = "9"
    & skf18("10","4","3","6","5","3","1") = "9"
    & skf18("10","4","3","6","5","4","1") = "9"
    & skf18("10","4","3","6","5","5","1") = "9"
    & skf18("10","4","3","6","5","6","1") = "9"
    & skf18("10","4","3","6","5","7","1") = "9"
    & skf18("10","4","3","6","5","8","1") = "9"
    & skf18("10","4","3","6","5","9","1") = "9"
    & skf18("10","4","3","6","5","10","1") = "9"
    & skf18("10","4","3","6","6","1","1") = "9"
    & skf18("10","4","3","6","6","2","1") = "9"
    & skf18("10","4","3","6","6","3","1") = "9"
    & skf18("10","4","3","6","6","4","1") = "9"
    & skf18("10","4","3","6","6","5","1") = "9"
    & skf18("10","4","3","6","6","6","1") = "9"
    & skf18("10","4","3","6","6","7","1") = "9"
    & skf18("10","4","3","6","6","8","1") = "9"
    & skf18("10","4","3","6","6","9","1") = "9"
    & skf18("10","4","3","6","6","10","1") = "9"
    & skf18("10","4","3","6","7","1","1") = "9"
    & skf18("10","4","3","6","7","2","1") = "9"
    & skf18("10","4","3","6","7","3","1") = "9"
    & skf18("10","4","3","6","7","4","1") = "9"
    & skf18("10","4","3","6","7","5","1") = "9"
    & skf18("10","4","3","6","7","6","1") = "9"
    & skf18("10","4","3","6","7","7","1") = "9"
    & skf18("10","4","3","6","7","8","1") = "9"
    & skf18("10","4","3","6","7","9","1") = "9"
    & skf18("10","4","3","6","7","10","1") = "9"
    & skf18("10","4","3","6","8","1","1") = "9"
    & skf18("10","4","3","6","8","2","1") = "9"
    & skf18("10","4","3","6","8","3","1") = "9"
    & skf18("10","4","3","6","8","4","1") = "9"
    & skf18("10","4","3","6","8","5","1") = "9"
    & skf18("10","4","3","6","8","6","1") = "9"
    & skf18("10","4","3","6","8","7","1") = "9"
    & skf18("10","4","3","6","8","8","1") = "9"
    & skf18("10","4","3","6","8","9","1") = "9"
    & skf18("10","4","3","6","8","10","1") = "9"
    & skf18("10","4","3","6","9","1","1") = "9"
    & skf18("10","4","3","6","9","2","1") = "9"
    & skf18("10","4","3","6","9","3","1") = "9"
    & skf18("10","4","3","6","9","4","1") = "9"
    & skf18("10","4","3","6","9","5","1") = "9"
    & skf18("10","4","3","6","9","6","1") = "9"
    & skf18("10","4","3","6","9","7","1") = "9"
    & skf18("10","4","3","6","9","8","1") = "9"
    & skf18("10","4","3","6","9","9","1") = "9"
    & skf18("10","4","3","6","9","10","1") = "9"
    & skf18("10","4","3","6","10","1","1") = "9"
    & skf18("10","4","3","6","10","2","1") = "9"
    & skf18("10","4","3","6","10","3","1") = "9"
    & skf18("10","4","3","6","10","4","1") = "9"
    & skf18("10","4","3","6","10","5","1") = "9"
    & skf18("10","4","3","6","10","6","1") = "9"
    & skf18("10","4","3","6","10","7","1") = "9"
    & skf18("10","4","3","6","10","8","1") = "9"
    & skf18("10","4","3","6","10","9","1") = "9"
    & skf18("10","4","3","6","10","10","1") = "9"
    & skf18("10","4","3","7","1","1","1") = "9"
    & skf18("10","4","3","7","1","2","1") = "9"
    & skf18("10","4","3","7","1","3","1") = "9"
    & skf18("10","4","3","7","1","4","1") = "9"
    & skf18("10","4","3","7","1","5","1") = "9"
    & skf18("10","4","3","7","1","6","1") = "9"
    & skf18("10","4","3","7","1","7","1") = "9"
    & skf18("10","4","3","7","1","8","1") = "9"
    & skf18("10","4","3","7","1","9","1") = "9"
    & skf18("10","4","3","7","1","10","1") = "9"
    & skf18("10","4","3","7","2","1","1") = "9"
    & skf18("10","4","3","7","2","2","1") = "9"
    & skf18("10","4","3","7","2","3","1") = "9"
    & skf18("10","4","3","7","2","4","1") = "9"
    & skf18("10","4","3","7","2","5","1") = "9"
    & skf18("10","4","3","7","2","6","1") = "9"
    & skf18("10","4","3","7","2","7","1") = "9"
    & skf18("10","4","3","7","2","8","1") = "9"
    & skf18("10","4","3","7","2","9","1") = "9"
    & skf18("10","4","3","7","2","10","1") = "9"
    & skf18("10","4","3","7","3","1","1") = "9"
    & skf18("10","4","3","7","3","2","1") = "9"
    & skf18("10","4","3","7","3","3","1") = "9"
    & skf18("10","4","3","7","3","4","1") = "9"
    & skf18("10","4","3","7","3","5","1") = "9"
    & skf18("10","4","3","7","3","6","1") = "9"
    & skf18("10","4","3","7","3","7","1") = "9"
    & skf18("10","4","3","7","3","8","1") = "9"
    & skf18("10","4","3","7","3","9","1") = "9"
    & skf18("10","4","3","7","3","10","1") = "9"
    & skf18("10","4","3","7","4","1","1") = "9"
    & skf18("10","4","3","7","4","2","1") = "9"
    & skf18("10","4","3","7","4","3","1") = "9"
    & skf18("10","4","3","7","4","4","1") = "9"
    & skf18("10","4","3","7","4","5","1") = "9"
    & skf18("10","4","3","7","4","6","1") = "9"
    & skf18("10","4","3","7","4","7","1") = "9"
    & skf18("10","4","3","7","4","8","1") = "9"
    & skf18("10","4","3","7","4","9","1") = "9"
    & skf18("10","4","3","7","4","10","1") = "9"
    & skf18("10","4","3","7","5","1","1") = "9"
    & skf18("10","4","3","7","5","2","1") = "9"
    & skf18("10","4","3","7","5","3","1") = "9"
    & skf18("10","4","3","7","5","4","1") = "9"
    & skf18("10","4","3","7","5","5","1") = "9"
    & skf18("10","4","3","7","5","6","1") = "9"
    & skf18("10","4","3","7","5","7","1") = "9"
    & skf18("10","4","3","7","5","8","1") = "9"
    & skf18("10","4","3","7","5","9","1") = "9"
    & skf18("10","4","3","7","5","10","1") = "9"
    & skf18("10","4","3","7","6","1","1") = "9"
    & skf18("10","4","3","7","6","2","1") = "9"
    & skf18("10","4","3","7","6","3","1") = "9"
    & skf18("10","4","3","7","6","4","1") = "9"
    & skf18("10","4","3","7","6","5","1") = "9"
    & skf18("10","4","3","7","6","6","1") = "9"
    & skf18("10","4","3","7","6","7","1") = "9"
    & skf18("10","4","3","7","6","8","1") = "9"
    & skf18("10","4","3","7","6","9","1") = "9"
    & skf18("10","4","3","7","6","10","1") = "9"
    & skf18("10","4","3","7","7","1","1") = "9"
    & skf18("10","4","3","7","7","2","1") = "9"
    & skf18("10","4","3","7","7","3","1") = "9"
    & skf18("10","4","3","7","7","4","1") = "9"
    & skf18("10","4","3","7","7","5","1") = "9"
    & skf18("10","4","3","7","7","6","1") = "9"
    & skf18("10","4","3","7","7","7","1") = "9"
    & skf18("10","4","3","7","7","8","1") = "9"
    & skf18("10","4","3","7","7","9","1") = "9"
    & skf18("10","4","3","7","7","10","1") = "9"
    & skf18("10","4","3","7","8","1","1") = "9"
    & skf18("10","4","3","7","8","2","1") = "9"
    & skf18("10","4","3","7","8","3","1") = "9"
    & skf18("10","4","3","7","8","4","1") = "9"
    & skf18("10","4","3","7","8","5","1") = "9"
    & skf18("10","4","3","7","8","6","1") = "9"
    & skf18("10","4","3","7","8","7","1") = "9"
    & skf18("10","4","3","7","8","8","1") = "9"
    & skf18("10","4","3","7","8","9","1") = "9"
    & skf18("10","4","3","7","8","10","1") = "9"
    & skf18("10","4","3","7","9","1","1") = "9"
    & skf18("10","4","3","7","9","2","1") = "9"
    & skf18("10","4","3","7","9","3","1") = "9"
    & skf18("10","4","3","7","9","4","1") = "9"
    & skf18("10","4","3","7","9","5","1") = "9"
    & skf18("10","4","3","7","9","6","1") = "9"
    & skf18("10","4","3","7","9","7","1") = "9"
    & skf18("10","4","3","7","9","8","1") = "9"
    & skf18("10","4","3","7","9","9","1") = "9"
    & skf18("10","4","3","7","9","10","1") = "9"
    & skf18("10","4","3","7","10","1","1") = "9"
    & skf18("10","4","3","7","10","2","1") = "9"
    & skf18("10","4","3","7","10","3","1") = "9"
    & skf18("10","4","3","7","10","4","1") = "9"
    & skf18("10","4","3","7","10","5","1") = "9"
    & skf18("10","4","3","7","10","6","1") = "9"
    & skf18("10","4","3","7","10","7","1") = "9"
    & skf18("10","4","3","7","10","8","1") = "9"
    & skf18("10","4","3","7","10","9","1") = "9"
    & skf18("10","4","3","7","10","10","1") = "9"
    & skf18("10","4","3","8","1","1","1") = "9"
    & skf18("10","4","3","8","1","2","1") = "9"
    & skf18("10","4","3","8","1","3","1") = "9"
    & skf18("10","4","3","8","1","4","1") = "9"
    & skf18("10","4","3","8","1","5","1") = "9"
    & skf18("10","4","3","8","1","6","1") = "9"
    & skf18("10","4","3","8","1","7","1") = "9"
    & skf18("10","4","3","8","1","8","1") = "9"
    & skf18("10","4","3","8","1","9","1") = "9"
    & skf18("10","4","3","8","1","10","1") = "9"
    & skf18("10","4","3","8","2","1","1") = "9"
    & skf18("10","4","3","8","2","2","1") = "9"
    & skf18("10","4","3","8","2","3","1") = "9"
    & skf18("10","4","3","8","2","4","1") = "9"
    & skf18("10","4","3","8","2","5","1") = "9"
    & skf18("10","4","3","8","2","6","1") = "9"
    & skf18("10","4","3","8","2","7","1") = "9"
    & skf18("10","4","3","8","2","8","1") = "9"
    & skf18("10","4","3","8","2","9","1") = "9"
    & skf18("10","4","3","8","2","10","1") = "9"
    & skf18("10","4","3","8","3","1","1") = "9"
    & skf18("10","4","3","8","3","2","1") = "9"
    & skf18("10","4","3","8","3","3","1") = "9"
    & skf18("10","4","3","8","3","4","1") = "9"
    & skf18("10","4","3","8","3","5","1") = "9"
    & skf18("10","4","3","8","3","6","1") = "9"
    & skf18("10","4","3","8","3","7","1") = "9"
    & skf18("10","4","3","8","3","8","1") = "9"
    & skf18("10","4","3","8","3","9","1") = "9"
    & skf18("10","4","3","8","3","10","1") = "9"
    & skf18("10","4","3","8","4","1","1") = "9"
    & skf18("10","4","3","8","4","2","1") = "9"
    & skf18("10","4","3","8","4","3","1") = "9"
    & skf18("10","4","3","8","4","4","1") = "9"
    & skf18("10","4","3","8","4","5","1") = "9"
    & skf18("10","4","3","8","4","6","1") = "9"
    & skf18("10","4","3","8","4","7","1") = "9"
    & skf18("10","4","3","8","4","8","1") = "9"
    & skf18("10","4","3","8","4","9","1") = "9"
    & skf18("10","4","3","8","4","10","1") = "9"
    & skf18("10","4","3","8","5","1","1") = "9"
    & skf18("10","4","3","8","5","2","1") = "9"
    & skf18("10","4","3","8","5","3","1") = "9"
    & skf18("10","4","3","8","5","4","1") = "9"
    & skf18("10","4","3","8","5","5","1") = "9"
    & skf18("10","4","3","8","5","6","1") = "9"
    & skf18("10","4","3","8","5","7","1") = "9"
    & skf18("10","4","3","8","5","8","1") = "9"
    & skf18("10","4","3","8","5","9","1") = "9"
    & skf18("10","4","3","8","5","10","1") = "9"
    & skf18("10","4","3","8","6","1","1") = "9"
    & skf18("10","4","3","8","6","2","1") = "9"
    & skf18("10","4","3","8","6","3","1") = "9"
    & skf18("10","4","3","8","6","4","1") = "9"
    & skf18("10","4","3","8","6","5","1") = "9"
    & skf18("10","4","3","8","6","6","1") = "9"
    & skf18("10","4","3","8","6","7","1") = "9"
    & skf18("10","4","3","8","6","8","1") = "9"
    & skf18("10","4","3","8","6","9","1") = "9"
    & skf18("10","4","3","8","6","10","1") = "9"
    & skf18("10","4","3","8","7","1","1") = "9"
    & skf18("10","4","3","8","7","2","1") = "9"
    & skf18("10","4","3","8","7","3","1") = "9"
    & skf18("10","4","3","8","7","4","1") = "9"
    & skf18("10","4","3","8","7","5","1") = "9"
    & skf18("10","4","3","8","7","6","1") = "9"
    & skf18("10","4","3","8","7","7","1") = "9"
    & skf18("10","4","3","8","7","8","1") = "9"
    & skf18("10","4","3","8","7","9","1") = "9"
    & skf18("10","4","3","8","7","10","1") = "9"
    & skf18("10","4","3","8","8","1","1") = "9"
    & skf18("10","4","3","8","8","2","1") = "9"
    & skf18("10","4","3","8","8","3","1") = "9"
    & skf18("10","4","3","8","8","4","1") = "9"
    & skf18("10","4","3","8","8","5","1") = "9"
    & skf18("10","4","3","8","8","6","1") = "9"
    & skf18("10","4","3","8","8","7","1") = "9"
    & skf18("10","4","3","8","8","8","1") = "9"
    & skf18("10","4","3","8","8","9","1") = "9"
    & skf18("10","4","3","8","8","10","1") = "9"
    & skf18("10","4","3","8","9","1","1") = "9"
    & skf18("10","4","3","8","9","2","1") = "9"
    & skf18("10","4","3","8","9","3","1") = "9"
    & skf18("10","4","3","8","9","4","1") = "9"
    & skf18("10","4","3","8","9","5","1") = "9"
    & skf18("10","4","3","8","9","6","1") = "9"
    & skf18("10","4","3","8","9","7","1") = "9"
    & skf18("10","4","3","8","9","8","1") = "9"
    & skf18("10","4","3","8","9","9","1") = "9"
    & skf18("10","4","3","8","9","10","1") = "9"
    & skf18("10","4","3","8","10","1","1") = "9"
    & skf18("10","4","3","8","10","2","1") = "9"
    & skf18("10","4","3","8","10","3","1") = "9"
    & skf18("10","4","3","8","10","4","1") = "9"
    & skf18("10","4","3","8","10","5","1") = "9"
    & skf18("10","4","3","8","10","6","1") = "9"
    & skf18("10","4","3","8","10","7","1") = "9"
    & skf18("10","4","3","8","10","8","1") = "9"
    & skf18("10","4","3","8","10","9","1") = "9"
    & skf18("10","4","3","8","10","10","1") = "9"
    & skf18("10","4","3","9","1","1","1") = "9"
    & skf18("10","4","3","9","1","2","1") = "9"
    & skf18("10","4","3","9","1","3","1") = "9"
    & skf18("10","4","3","9","1","4","1") = "9"
    & skf18("10","4","3","9","1","5","1") = "9"
    & skf18("10","4","3","9","1","6","1") = "9"
    & skf18("10","4","3","9","1","7","1") = "9"
    & skf18("10","4","3","9","1","8","1") = "9"
    & skf18("10","4","3","9","1","9","1") = "9"
    & skf18("10","4","3","9","1","10","1") = "9"
    & skf18("10","4","3","9","2","1","1") = "9"
    & skf18("10","4","3","9","2","2","1") = "9"
    & skf18("10","4","3","9","2","3","1") = "9"
    & skf18("10","4","3","9","2","4","1") = "9"
    & skf18("10","4","3","9","2","5","1") = "9"
    & skf18("10","4","3","9","2","6","1") = "9"
    & skf18("10","4","3","9","2","7","1") = "9"
    & skf18("10","4","3","9","2","8","1") = "9"
    & skf18("10","4","3","9","2","9","1") = "9"
    & skf18("10","4","3","9","2","10","1") = "9"
    & skf18("10","4","3","9","3","1","1") = "9"
    & skf18("10","4","3","9","3","2","1") = "9"
    & skf18("10","4","3","9","3","3","1") = "9"
    & skf18("10","4","3","9","3","4","1") = "9"
    & skf18("10","4","3","9","3","5","1") = "9"
    & skf18("10","4","3","9","3","6","1") = "9"
    & skf18("10","4","3","9","3","7","1") = "9"
    & skf18("10","4","3","9","3","8","1") = "9"
    & skf18("10","4","3","9","3","9","1") = "9"
    & skf18("10","4","3","9","3","10","1") = "9"
    & skf18("10","4","3","9","4","1","1") = "9"
    & skf18("10","4","3","9","4","2","1") = "9"
    & skf18("10","4","3","9","4","3","1") = "9"
    & skf18("10","4","3","9","4","4","1") = "9"
    & skf18("10","4","3","9","4","5","1") = "9"
    & skf18("10","4","3","9","4","6","1") = "9"
    & skf18("10","4","3","9","4","7","1") = "9"
    & skf18("10","4","3","9","4","8","1") = "9"
    & skf18("10","4","3","9","4","9","1") = "9"
    & skf18("10","4","3","9","4","10","1") = "9"
    & skf18("10","4","3","9","5","1","1") = "9"
    & skf18("10","4","3","9","5","2","1") = "9"
    & skf18("10","4","3","9","5","3","1") = "9"
    & skf18("10","4","3","9","5","4","1") = "9"
    & skf18("10","4","3","9","5","5","1") = "9"
    & skf18("10","4","3","9","5","6","1") = "9"
    & skf18("10","4","3","9","5","7","1") = "9"
    & skf18("10","4","3","9","5","8","1") = "9"
    & skf18("10","4","3","9","5","9","1") = "9"
    & skf18("10","4","3","9","5","10","1") = "9"
    & skf18("10","4","3","9","6","1","1") = "9"
    & skf18("10","4","3","9","6","2","1") = "9"
    & skf18("10","4","3","9","6","3","1") = "9"
    & skf18("10","4","3","9","6","4","1") = "9"
    & skf18("10","4","3","9","6","5","1") = "9"
    & skf18("10","4","3","9","6","6","1") = "9"
    & skf18("10","4","3","9","6","7","1") = "9"
    & skf18("10","4","3","9","6","8","1") = "9"
    & skf18("10","4","3","9","6","9","1") = "9"
    & skf18("10","4","3","9","6","10","1") = "9"
    & skf18("10","4","3","9","7","1","1") = "9"
    & skf18("10","4","3","9","7","2","1") = "9"
    & skf18("10","4","3","9","7","3","1") = "9"
    & skf18("10","4","3","9","7","4","1") = "9"
    & skf18("10","4","3","9","7","5","1") = "9"
    & skf18("10","4","3","9","7","6","1") = "9"
    & skf18("10","4","3","9","7","7","1") = "9"
    & skf18("10","4","3","9","7","8","1") = "9"
    & skf18("10","4","3","9","7","9","1") = "9"
    & skf18("10","4","3","9","7","10","1") = "9"
    & skf18("10","4","3","9","8","1","1") = "9"
    & skf18("10","4","3","9","8","2","1") = "9"
    & skf18("10","4","3","9","8","3","1") = "9"
    & skf18("10","4","3","9","8","4","1") = "9"
    & skf18("10","4","3","9","8","5","1") = "9"
    & skf18("10","4","3","9","8","6","1") = "9"
    & skf18("10","4","3","9","8","7","1") = "9"
    & skf18("10","4","3","9","8","8","1") = "9"
    & skf18("10","4","3","9","8","9","1") = "9"
    & skf18("10","4","3","9","8","10","1") = "9"
    & skf18("10","4","3","9","9","1","1") = "9"
    & skf18("10","4","3","9","9","2","1") = "9"
    & skf18("10","4","3","9","9","3","1") = "9"
    & skf18("10","4","3","9","9","4","1") = "9"
    & skf18("10","4","3","9","9","5","1") = "9"
    & skf18("10","4","3","9","9","6","1") = "9"
    & skf18("10","4","3","9","9","7","1") = "9"
    & skf18("10","4","3","9","9","8","1") = "9"
    & skf18("10","4","3","9","9","9","1") = "9"
    & skf18("10","4","3","9","9","10","1") = "9"
    & skf18("10","4","3","9","10","1","1") = "9"
    & skf18("10","4","3","9","10","2","1") = "9"
    & skf18("10","4","3","9","10","3","1") = "9"
    & skf18("10","4","3","9","10","4","1") = "9"
    & skf18("10","4","3","9","10","5","1") = "9"
    & skf18("10","4","3","9","10","6","1") = "9"
    & skf18("10","4","3","9","10","7","1") = "9"
    & skf18("10","4","3","9","10","8","1") = "9"
    & skf18("10","4","3","9","10","9","1") = "9"
    & skf18("10","4","3","9","10","10","1") = "9"
    & skf18("10","4","3","10","1","1","1") = "9"
    & skf18("10","4","3","10","1","2","1") = "9"
    & skf18("10","4","3","10","1","3","1") = "9"
    & skf18("10","4","3","10","1","4","1") = "9"
    & skf18("10","4","3","10","1","5","1") = "9"
    & skf18("10","4","3","10","1","6","1") = "9"
    & skf18("10","4","3","10","1","7","1") = "9"
    & skf18("10","4","3","10","1","8","1") = "9"
    & skf18("10","4","3","10","1","9","1") = "9"
    & skf18("10","4","3","10","1","10","1") = "9"
    & skf18("10","4","3","10","2","1","1") = "9"
    & skf18("10","4","3","10","2","2","1") = "9"
    & skf18("10","4","3","10","2","3","1") = "9"
    & skf18("10","4","3","10","2","4","1") = "9"
    & skf18("10","4","3","10","2","5","1") = "9"
    & skf18("10","4","3","10","2","6","1") = "9"
    & skf18("10","4","3","10","2","7","1") = "9"
    & skf18("10","4","3","10","2","8","1") = "9"
    & skf18("10","4","3","10","2","9","1") = "9"
    & skf18("10","4","3","10","2","10","1") = "9"
    & skf18("10","4","3","10","3","1","1") = "9"
    & skf18("10","4","3","10","3","2","1") = "9"
    & skf18("10","4","3","10","3","3","1") = "9"
    & skf18("10","4","3","10","3","4","1") = "9"
    & skf18("10","4","3","10","3","5","1") = "9"
    & skf18("10","4","3","10","3","6","1") = "9"
    & skf18("10","4","3","10","3","7","1") = "9"
    & skf18("10","4","3","10","3","8","1") = "9"
    & skf18("10","4","3","10","3","9","1") = "9"
    & skf18("10","4","3","10","3","10","1") = "9"
    & skf18("10","4","3","10","4","1","1") = "9"
    & skf18("10","4","3","10","4","2","1") = "9"
    & skf18("10","4","3","10","4","3","1") = "9"
    & skf18("10","4","3","10","4","4","1") = "9"
    & skf18("10","4","3","10","4","5","1") = "9"
    & skf18("10","4","3","10","4","6","1") = "9"
    & skf18("10","4","3","10","4","7","1") = "9"
    & skf18("10","4","3","10","4","8","1") = "9"
    & skf18("10","4","3","10","4","9","1") = "9"
    & skf18("10","4","3","10","4","10","1") = "9"
    & skf18("10","4","3","10","5","1","1") = "9"
    & skf18("10","4","3","10","5","2","1") = "9"
    & skf18("10","4","3","10","5","3","1") = "9"
    & skf18("10","4","3","10","5","4","1") = "9"
    & skf18("10","4","3","10","5","5","1") = "9"
    & skf18("10","4","3","10","5","6","1") = "9"
    & skf18("10","4","3","10","5","7","1") = "9"
    & skf18("10","4","3","10","5","8","1") = "9"
    & skf18("10","4","3","10","5","9","1") = "9"
    & skf18("10","4","3","10","5","10","1") = "9"
    & skf18("10","4","3","10","6","1","1") = "9"
    & skf18("10","4","3","10","6","2","1") = "9"
    & skf18("10","4","3","10","6","3","1") = "9"
    & skf18("10","4","3","10","6","4","1") = "9"
    & skf18("10","4","3","10","6","5","1") = "9"
    & skf18("10","4","3","10","6","6","1") = "9"
    & skf18("10","4","3","10","6","7","1") = "9"
    & skf18("10","4","3","10","6","8","1") = "9"
    & skf18("10","4","3","10","6","9","1") = "9"
    & skf18("10","4","3","10","6","10","1") = "9"
    & skf18("10","4","3","10","7","1","1") = "9"
    & skf18("10","4","3","10","7","2","1") = "9"
    & skf18("10","4","3","10","7","3","1") = "9"
    & skf18("10","4","3","10","7","4","1") = "9"
    & skf18("10","4","3","10","7","5","1") = "9"
    & skf18("10","4","3","10","7","6","1") = "9"
    & skf18("10","4","3","10","7","7","1") = "9"
    & skf18("10","4","3","10","7","8","1") = "9"
    & skf18("10","4","3","10","7","9","1") = "9"
    & skf18("10","4","3","10","7","10","1") = "9"
    & skf18("10","4","3","10","8","1","1") = "9"
    & skf18("10","4","3","10","8","2","1") = "9"
    & skf18("10","4","3","10","8","3","1") = "9"
    & skf18("10","4","3","10","8","4","1") = "9"
    & skf18("10","4","3","10","8","5","1") = "9"
    & skf18("10","4","3","10","8","6","1") = "9"
    & skf18("10","4","3","10","8","7","1") = "9"
    & skf18("10","4","3","10","8","8","1") = "9"
    & skf18("10","4","3","10","8","9","1") = "9"
    & skf18("10","4","3","10","8","10","1") = "9"
    & skf18("10","4","3","10","9","1","1") = "9"
    & skf18("10","4","3","10","9","2","1") = "9"
    & skf18("10","4","3","10","9","3","1") = "9"
    & skf18("10","4","3","10","9","4","1") = "9"
    & skf18("10","4","3","10","9","5","1") = "9"
    & skf18("10","4","3","10","9","6","1") = "9"
    & skf18("10","4","3","10","9","7","1") = "9"
    & skf18("10","4","3","10","9","8","1") = "9"
    & skf18("10","4","3","10","9","9","1") = "9"
    & skf18("10","4","3","10","9","10","1") = "9"
    & skf18("10","4","3","10","10","1","1") = "9"
    & skf18("10","4","3","10","10","2","1") = "9"
    & skf18("10","4","3","10","10","3","1") = "9"
    & skf18("10","4","3","10","10","4","1") = "9"
    & skf18("10","4","3","10","10","5","1") = "9"
    & skf18("10","4","3","10","10","6","1") = "9"
    & skf18("10","4","3","10","10","7","1") = "9"
    & skf18("10","4","3","10","10","8","1") = "9"
    & skf18("10","4","3","10","10","9","1") = "9"
    & skf18("10","4","3","10","10","10","1") = "9"
    & skf18("10","4","4","1","1","1","1") = "9"
    & skf18("10","4","4","1","1","2","1") = "9"
    & skf18("10","4","4","1","1","3","1") = "9"
    & skf18("10","4","4","1","1","4","1") = "9"
    & skf18("10","4","4","1","1","5","1") = "9"
    & skf18("10","4","4","1","1","6","1") = "9"
    & skf18("10","4","4","1","1","7","1") = "9"
    & skf18("10","4","4","1","1","8","1") = "9"
    & skf18("10","4","4","1","1","9","1") = "9"
    & skf18("10","4","4","1","1","10","1") = "9"
    & skf18("10","4","4","1","2","1","1") = "9"
    & skf18("10","4","4","1","2","2","1") = "9"
    & skf18("10","4","4","1","2","3","1") = "9"
    & skf18("10","4","4","1","2","4","1") = "9"
    & skf18("10","4","4","1","2","5","1") = "9"
    & skf18("10","4","4","1","2","6","1") = "9"
    & skf18("10","4","4","1","2","7","1") = "9"
    & skf18("10","4","4","1","2","8","1") = "9"
    & skf18("10","4","4","1","2","9","1") = "9"
    & skf18("10","4","4","1","2","10","1") = "9"
    & skf18("10","4","4","1","3","1","1") = "9"
    & skf18("10","4","4","1","3","2","1") = "9"
    & skf18("10","4","4","1","3","3","1") = "9"
    & skf18("10","4","4","1","3","4","1") = "9"
    & skf18("10","4","4","1","3","5","1") = "9"
    & skf18("10","4","4","1","3","6","1") = "9"
    & skf18("10","4","4","1","3","7","1") = "9"
    & skf18("10","4","4","1","3","8","1") = "9"
    & skf18("10","4","4","1","3","9","1") = "9"
    & skf18("10","4","4","1","3","10","1") = "9"
    & skf18("10","4","4","1","4","1","1") = "9"
    & skf18("10","4","4","1","4","2","1") = "9"
    & skf18("10","4","4","1","4","3","1") = "9"
    & skf18("10","4","4","1","4","4","1") = "9"
    & skf18("10","4","4","1","4","5","1") = "9"
    & skf18("10","4","4","1","4","6","1") = "9"
    & skf18("10","4","4","1","4","7","1") = "9"
    & skf18("10","4","4","1","4","8","1") = "9"
    & skf18("10","4","4","1","4","9","1") = "9"
    & skf18("10","4","4","1","4","10","1") = "9"
    & skf18("10","4","4","1","5","1","1") = "9"
    & skf18("10","4","4","1","5","2","1") = "9"
    & skf18("10","4","4","1","5","3","1") = "9"
    & skf18("10","4","4","1","5","4","1") = "9"
    & skf18("10","4","4","1","5","5","1") = "9"
    & skf18("10","4","4","1","5","6","1") = "9"
    & skf18("10","4","4","1","5","7","1") = "9"
    & skf18("10","4","4","1","5","8","1") = "9"
    & skf18("10","4","4","1","5","9","1") = "9"
    & skf18("10","4","4","1","5","10","1") = "9"
    & skf18("10","4","4","1","6","1","1") = "9"
    & skf18("10","4","4","1","6","2","1") = "9"
    & skf18("10","4","4","1","6","3","1") = "9"
    & skf18("10","4","4","1","6","4","1") = "9"
    & skf18("10","4","4","1","6","5","1") = "9"
    & skf18("10","4","4","1","6","6","1") = "9"
    & skf18("10","4","4","1","6","7","1") = "9"
    & skf18("10","4","4","1","6","8","1") = "9"
    & skf18("10","4","4","1","6","9","1") = "9"
    & skf18("10","4","4","1","6","10","1") = "9"
    & skf18("10","4","4","1","7","1","1") = "9"
    & skf18("10","4","4","1","7","2","1") = "9"
    & skf18("10","4","4","1","7","3","1") = "9"
    & skf18("10","4","4","1","7","4","1") = "9"
    & skf18("10","4","4","1","7","5","1") = "9"
    & skf18("10","4","4","1","7","6","1") = "9"
    & skf18("10","4","4","1","7","7","1") = "9"
    & skf18("10","4","4","1","7","8","1") = "9"
    & skf18("10","4","4","1","7","9","1") = "9"
    & skf18("10","4","4","1","7","10","1") = "9"
    & skf18("10","4","4","1","8","1","1") = "9"
    & skf18("10","4","4","1","8","2","1") = "9"
    & skf18("10","4","4","1","8","3","1") = "9"
    & skf18("10","4","4","1","8","4","1") = "9"
    & skf18("10","4","4","1","8","5","1") = "9"
    & skf18("10","4","4","1","8","6","1") = "9"
    & skf18("10","4","4","1","8","7","1") = "9"
    & skf18("10","4","4","1","8","8","1") = "9"
    & skf18("10","4","4","1","8","9","1") = "9"
    & skf18("10","4","4","1","8","10","1") = "9"
    & skf18("10","4","4","1","9","1","1") = "9"
    & skf18("10","4","4","1","9","2","1") = "9"
    & skf18("10","4","4","1","9","3","1") = "9"
    & skf18("10","4","4","1","9","4","1") = "9"
    & skf18("10","4","4","1","9","5","1") = "9"
    & skf18("10","4","4","1","9","6","1") = "9"
    & skf18("10","4","4","1","9","7","1") = "9"
    & skf18("10","4","4","1","9","8","1") = "9"
    & skf18("10","4","4","1","9","9","1") = "9"
    & skf18("10","4","4","1","9","10","1") = "9"
    & skf18("10","4","4","1","10","1","1") = "9"
    & skf18("10","4","4","1","10","2","1") = "9"
    & skf18("10","4","4","1","10","3","1") = "9"
    & skf18("10","4","4","1","10","4","1") = "9"
    & skf18("10","4","4","1","10","5","1") = "9"
    & skf18("10","4","4","1","10","6","1") = "9"
    & skf18("10","4","4","1","10","7","1") = "9"
    & skf18("10","4","4","1","10","8","1") = "9"
    & skf18("10","4","4","1","10","9","1") = "9"
    & skf18("10","4","4","1","10","10","1") = "9"
    & skf18("10","4","4","2","1","1","1") = "9"
    & skf18("10","4","4","2","1","2","1") = "9"
    & skf18("10","4","4","2","1","3","1") = "9"
    & skf18("10","4","4","2","1","4","1") = "9"
    & skf18("10","4","4","2","1","5","1") = "9"
    & skf18("10","4","4","2","1","6","1") = "9"
    & skf18("10","4","4","2","1","7","1") = "9"
    & skf18("10","4","4","2","1","8","1") = "9"
    & skf18("10","4","4","2","1","9","1") = "9"
    & skf18("10","4","4","2","1","10","1") = "9"
    & skf18("10","4","4","2","2","1","1") = "9"
    & skf18("10","4","4","2","2","2","1") = "9"
    & skf18("10","4","4","2","2","3","1") = "9"
    & skf18("10","4","4","2","2","4","1") = "9"
    & skf18("10","4","4","2","2","5","1") = "9"
    & skf18("10","4","4","2","2","6","1") = "9"
    & skf18("10","4","4","2","2","7","1") = "9"
    & skf18("10","4","4","2","2","8","1") = "9"
    & skf18("10","4","4","2","2","9","1") = "9"
    & skf18("10","4","4","2","2","10","1") = "9"
    & skf18("10","4","4","2","3","1","1") = "9"
    & skf18("10","4","4","2","3","2","1") = "9"
    & skf18("10","4","4","2","3","3","1") = "9"
    & skf18("10","4","4","2","3","4","1") = "9"
    & skf18("10","4","4","2","3","5","1") = "9"
    & skf18("10","4","4","2","3","6","1") = "9"
    & skf18("10","4","4","2","3","7","1") = "9"
    & skf18("10","4","4","2","3","8","1") = "9"
    & skf18("10","4","4","2","3","9","1") = "9"
    & skf18("10","4","4","2","3","10","1") = "9"
    & skf18("10","4","4","2","4","1","1") = "9"
    & skf18("10","4","4","2","4","2","1") = "9"
    & skf18("10","4","4","2","4","3","1") = "9"
    & skf18("10","4","4","2","4","4","1") = "9"
    & skf18("10","4","4","2","4","5","1") = "9"
    & skf18("10","4","4","2","4","6","1") = "9"
    & skf18("10","4","4","2","4","7","1") = "9"
    & skf18("10","4","4","2","4","8","1") = "9"
    & skf18("10","4","4","2","4","9","1") = "9"
    & skf18("10","4","4","2","4","10","1") = "9"
    & skf18("10","4","4","2","5","1","1") = "9"
    & skf18("10","4","4","2","5","2","1") = "9"
    & skf18("10","4","4","2","5","3","1") = "9"
    & skf18("10","4","4","2","5","4","1") = "9"
    & skf18("10","4","4","2","5","5","1") = "9"
    & skf18("10","4","4","2","5","6","1") = "9"
    & skf18("10","4","4","2","5","7","1") = "9"
    & skf18("10","4","4","2","5","8","1") = "9"
    & skf18("10","4","4","2","5","9","1") = "9"
    & skf18("10","4","4","2","5","10","1") = "9"
    & skf18("10","4","4","2","6","1","1") = "9"
    & skf18("10","4","4","2","6","2","1") = "9"
    & skf18("10","4","4","2","6","3","1") = "9"
    & skf18("10","4","4","2","6","4","1") = "9"
    & skf18("10","4","4","2","6","5","1") = "9"
    & skf18("10","4","4","2","6","6","1") = "9"
    & skf18("10","4","4","2","6","7","1") = "9"
    & skf18("10","4","4","2","6","8","1") = "9"
    & skf18("10","4","4","2","6","9","1") = "9"
    & skf18("10","4","4","2","6","10","1") = "9"
    & skf18("10","4","4","2","7","1","1") = "9"
    & skf18("10","4","4","2","7","2","1") = "9"
    & skf18("10","4","4","2","7","3","1") = "9"
    & skf18("10","4","4","2","7","4","1") = "9"
    & skf18("10","4","4","2","7","5","1") = "9"
    & skf18("10","4","4","2","7","6","1") = "9"
    & skf18("10","4","4","2","7","7","1") = "9"
    & skf18("10","4","4","2","7","8","1") = "9"
    & skf18("10","4","4","2","7","9","1") = "9"
    & skf18("10","4","4","2","7","10","1") = "9"
    & skf18("10","4","4","2","8","1","1") = "9"
    & skf18("10","4","4","2","8","2","1") = "9"
    & skf18("10","4","4","2","8","3","1") = "9"
    & skf18("10","4","4","2","8","4","1") = "9"
    & skf18("10","4","4","2","8","5","1") = "9"
    & skf18("10","4","4","2","8","6","1") = "9"
    & skf18("10","4","4","2","8","7","1") = "9"
    & skf18("10","4","4","2","8","8","1") = "9"
    & skf18("10","4","4","2","8","9","1") = "9"
    & skf18("10","4","4","2","8","10","1") = "9"
    & skf18("10","4","4","2","9","1","1") = "9"
    & skf18("10","4","4","2","9","2","1") = "9"
    & skf18("10","4","4","2","9","3","1") = "9"
    & skf18("10","4","4","2","9","4","1") = "9"
    & skf18("10","4","4","2","9","5","1") = "9"
    & skf18("10","4","4","2","9","6","1") = "9"
    & skf18("10","4","4","2","9","7","1") = "9"
    & skf18("10","4","4","2","9","8","1") = "9"
    & skf18("10","4","4","2","9","9","1") = "9"
    & skf18("10","4","4","2","9","10","1") = "9"
    & skf18("10","4","4","2","10","1","1") = "9"
    & skf18("10","4","4","2","10","2","1") = "9"
    & skf18("10","4","4","2","10","3","1") = "9"
    & skf18("10","4","4","2","10","4","1") = "9"
    & skf18("10","4","4","2","10","5","1") = "9"
    & skf18("10","4","4","2","10","6","1") = "9"
    & skf18("10","4","4","2","10","7","1") = "9"
    & skf18("10","4","4","2","10","8","1") = "9"
    & skf18("10","4","4","2","10","9","1") = "9"
    & skf18("10","4","4","2","10","10","1") = "9"
    & skf18("10","4","4","3","1","1","1") = "9"
    & skf18("10","4","4","3","1","2","1") = "9"
    & skf18("10","4","4","3","1","3","1") = "9"
    & skf18("10","4","4","3","1","4","1") = "9"
    & skf18("10","4","4","3","1","5","1") = "9"
    & skf18("10","4","4","3","1","6","1") = "9"
    & skf18("10","4","4","3","1","7","1") = "9"
    & skf18("10","4","4","3","1","8","1") = "9"
    & skf18("10","4","4","3","1","9","1") = "9"
    & skf18("10","4","4","3","1","10","1") = "9"
    & skf18("10","4","4","3","2","1","1") = "9"
    & skf18("10","4","4","3","2","2","1") = "9"
    & skf18("10","4","4","3","2","3","1") = "9"
    & skf18("10","4","4","3","2","4","1") = "9"
    & skf18("10","4","4","3","2","5","1") = "9"
    & skf18("10","4","4","3","2","6","1") = "9"
    & skf18("10","4","4","3","2","7","1") = "9"
    & skf18("10","4","4","3","2","8","1") = "9"
    & skf18("10","4","4","3","2","9","1") = "9"
    & skf18("10","4","4","3","2","10","1") = "9"
    & skf18("10","4","4","3","3","1","1") = "9"
    & skf18("10","4","4","3","3","2","1") = "9"
    & skf18("10","4","4","3","3","3","1") = "9"
    & skf18("10","4","4","3","3","4","1") = "9"
    & skf18("10","4","4","3","3","5","1") = "9"
    & skf18("10","4","4","3","3","6","1") = "9"
    & skf18("10","4","4","3","3","7","1") = "9"
    & skf18("10","4","4","3","3","8","1") = "9"
    & skf18("10","4","4","3","3","9","1") = "9"
    & skf18("10","4","4","3","3","10","1") = "9"
    & skf18("10","4","4","3","4","1","1") = "9"
    & skf18("10","4","4","3","4","2","1") = "9"
    & skf18("10","4","4","3","4","3","1") = "9"
    & skf18("10","4","4","3","4","4","1") = "9"
    & skf18("10","4","4","3","4","5","1") = "9"
    & skf18("10","4","4","3","4","6","1") = "9"
    & skf18("10","4","4","3","4","7","1") = "9"
    & skf18("10","4","4","3","4","8","1") = "9"
    & skf18("10","4","4","3","4","9","1") = "9"
    & skf18("10","4","4","3","4","10","1") = "9"
    & skf18("10","4","4","3","5","1","1") = "9"
    & skf18("10","4","4","3","5","2","1") = "9"
    & skf18("10","4","4","3","5","3","1") = "9"
    & skf18("10","4","4","3","5","4","1") = "9"
    & skf18("10","4","4","3","5","5","1") = "9"
    & skf18("10","4","4","3","5","6","1") = "9"
    & skf18("10","4","4","3","5","7","1") = "9"
    & skf18("10","4","4","3","5","8","1") = "9"
    & skf18("10","4","4","3","5","9","1") = "9"
    & skf18("10","4","4","3","5","10","1") = "9"
    & skf18("10","4","4","3","6","1","1") = "9"
    & skf18("10","4","4","3","6","2","1") = "9"
    & skf18("10","4","4","3","6","3","1") = "9"
    & skf18("10","4","4","3","6","4","1") = "9"
    & skf18("10","4","4","3","6","5","1") = "9"
    & skf18("10","4","4","3","6","6","1") = "9"
    & skf18("10","4","4","3","6","7","1") = "9"
    & skf18("10","4","4","3","6","8","1") = "9"
    & skf18("10","4","4","3","6","9","1") = "9"
    & skf18("10","4","4","3","6","10","1") = "9"
    & skf18("10","4","4","3","7","1","1") = "9"
    & skf18("10","4","4","3","7","2","1") = "9"
    & skf18("10","4","4","3","7","3","1") = "9"
    & skf18("10","4","4","3","7","4","1") = "9"
    & skf18("10","4","4","3","7","5","1") = "9"
    & skf18("10","4","4","3","7","6","1") = "9"
    & skf18("10","4","4","3","7","7","1") = "9"
    & skf18("10","4","4","3","7","8","1") = "9"
    & skf18("10","4","4","3","7","9","1") = "9"
    & skf18("10","4","4","3","7","10","1") = "9"
    & skf18("10","4","4","3","8","1","1") = "9"
    & skf18("10","4","4","3","8","2","1") = "9"
    & skf18("10","4","4","3","8","3","1") = "9"
    & skf18("10","4","4","3","8","4","1") = "9"
    & skf18("10","4","4","3","8","5","1") = "9"
    & skf18("10","4","4","3","8","6","1") = "9"
    & skf18("10","4","4","3","8","7","1") = "9"
    & skf18("10","4","4","3","8","8","1") = "9"
    & skf18("10","4","4","3","8","9","1") = "9"
    & skf18("10","4","4","3","8","10","1") = "9"
    & skf18("10","4","4","3","9","1","1") = "9"
    & skf18("10","4","4","3","9","2","1") = "9"
    & skf18("10","4","4","3","9","3","1") = "9"
    & skf18("10","4","4","3","9","4","1") = "9"
    & skf18("10","4","4","3","9","5","1") = "9"
    & skf18("10","4","4","3","9","6","1") = "9"
    & skf18("10","4","4","3","9","7","1") = "9"
    & skf18("10","4","4","3","9","8","1") = "9"
    & skf18("10","4","4","3","9","9","1") = "9"
    & skf18("10","4","4","3","9","10","1") = "9"
    & skf18("10","4","4","3","10","1","1") = "9"
    & skf18("10","4","4","3","10","2","1") = "9"
    & skf18("10","4","4","3","10","3","1") = "9"
    & skf18("10","4","4","3","10","4","1") = "9"
    & skf18("10","4","4","3","10","5","1") = "9"
    & skf18("10","4","4","3","10","6","1") = "9"
    & skf18("10","4","4","3","10","7","1") = "9"
    & skf18("10","4","4","3","10","8","1") = "9"
    & skf18("10","4","4","3","10","9","1") = "9"
    & skf18("10","4","4","3","10","10","1") = "9"
    & skf18("10","4","4","4","1","1","1") = "9"
    & skf18("10","4","4","4","1","2","1") = "9"
    & skf18("10","4","4","4","1","3","1") = "9"
    & skf18("10","4","4","4","1","4","1") = "9"
    & skf18("10","4","4","4","1","5","1") = "9"
    & skf18("10","4","4","4","1","6","1") = "9"
    & skf18("10","4","4","4","1","7","1") = "9"
    & skf18("10","4","4","4","1","8","1") = "9"
    & skf18("10","4","4","4","1","9","1") = "9"
    & skf18("10","4","4","4","1","10","1") = "9"
    & skf18("10","4","4","4","2","1","1") = "9"
    & skf18("10","4","4","4","2","2","1") = "9"
    & skf18("10","4","4","4","2","3","1") = "9"
    & skf18("10","4","4","4","2","4","1") = "9"
    & skf18("10","4","4","4","2","5","1") = "9"
    & skf18("10","4","4","4","2","6","1") = "9"
    & skf18("10","4","4","4","2","7","1") = "9"
    & skf18("10","4","4","4","2","8","1") = "9"
    & skf18("10","4","4","4","2","9","1") = "9"
    & skf18("10","4","4","4","2","10","1") = "9"
    & skf18("10","4","4","4","3","1","1") = "9"
    & skf18("10","4","4","4","3","2","1") = "9"
    & skf18("10","4","4","4","3","3","1") = "9"
    & skf18("10","4","4","4","3","4","1") = "9"
    & skf18("10","4","4","4","3","5","1") = "9"
    & skf18("10","4","4","4","3","6","1") = "9"
    & skf18("10","4","4","4","3","7","1") = "9"
    & skf18("10","4","4","4","3","8","1") = "9"
    & skf18("10","4","4","4","3","9","1") = "9"
    & skf18("10","4","4","4","3","10","1") = "9"
    & skf18("10","4","4","4","4","1","1") = "9"
    & skf18("10","4","4","4","4","2","1") = "9"
    & skf18("10","4","4","4","4","3","1") = "9"
    & skf18("10","4","4","4","4","4","1") = "9"
    & skf18("10","4","4","4","4","5","1") = "9"
    & skf18("10","4","4","4","4","6","1") = "9"
    & skf18("10","4","4","4","4","7","1") = "9"
    & skf18("10","4","4","4","4","8","1") = "9"
    & skf18("10","4","4","4","4","9","1") = "9"
    & skf18("10","4","4","4","4","10","1") = "9"
    & skf18("10","4","4","4","5","1","1") = "9"
    & skf18("10","4","4","4","5","2","1") = "9"
    & skf18("10","4","4","4","5","3","1") = "9"
    & skf18("10","4","4","4","5","4","1") = "9"
    & skf18("10","4","4","4","5","5","1") = "9"
    & skf18("10","4","4","4","5","6","1") = "9"
    & skf18("10","4","4","4","5","7","1") = "9"
    & skf18("10","4","4","4","5","8","1") = "9"
    & skf18("10","4","4","4","5","9","1") = "9"
    & skf18("10","4","4","4","5","10","1") = "9"
    & skf18("10","4","4","4","6","1","1") = "9"
    & skf18("10","4","4","4","6","2","1") = "9"
    & skf18("10","4","4","4","6","3","1") = "9"
    & skf18("10","4","4","4","6","4","1") = "9"
    & skf18("10","4","4","4","6","5","1") = "9"
    & skf18("10","4","4","4","6","6","1") = "9"
    & skf18("10","4","4","4","6","7","1") = "9"
    & skf18("10","4","4","4","6","8","1") = "9"
    & skf18("10","4","4","4","6","9","1") = "9"
    & skf18("10","4","4","4","6","10","1") = "9"
    & skf18("10","4","4","4","7","1","1") = "9"
    & skf18("10","4","4","4","7","2","1") = "9"
    & skf18("10","4","4","4","7","3","1") = "9"
    & skf18("10","4","4","4","7","4","1") = "9"
    & skf18("10","4","4","4","7","5","1") = "9"
    & skf18("10","4","4","4","7","6","1") = "9"
    & skf18("10","4","4","4","7","7","1") = "9"
    & skf18("10","4","4","4","7","8","1") = "9"
    & skf18("10","4","4","4","7","9","1") = "9"
    & skf18("10","4","4","4","7","10","1") = "9"
    & skf18("10","4","4","4","8","1","1") = "9"
    & skf18("10","4","4","4","8","2","1") = "9"
    & skf18("10","4","4","4","8","3","1") = "9"
    & skf18("10","4","4","4","8","4","1") = "9"
    & skf18("10","4","4","4","8","5","1") = "9"
    & skf18("10","4","4","4","8","6","1") = "9"
    & skf18("10","4","4","4","8","7","1") = "9"
    & skf18("10","4","4","4","8","8","1") = "9"
    & skf18("10","4","4","4","8","9","1") = "9"
    & skf18("10","4","4","4","8","10","1") = "9"
    & skf18("10","4","4","4","9","1","1") = "9"
    & skf18("10","4","4","4","9","2","1") = "9"
    & skf18("10","4","4","4","9","3","1") = "9"
    & skf18("10","4","4","4","9","4","1") = "9"
    & skf18("10","4","4","4","9","5","1") = "9"
    & skf18("10","4","4","4","9","6","1") = "9"
    & skf18("10","4","4","4","9","7","1") = "9"
    & skf18("10","4","4","4","9","8","1") = "9"
    & skf18("10","4","4","4","9","9","1") = "9"
    & skf18("10","4","4","4","9","10","1") = "9"
    & skf18("10","4","4","4","10","1","1") = "9"
    & skf18("10","4","4","4","10","2","1") = "9"
    & skf18("10","4","4","4","10","3","1") = "9"
    & skf18("10","4","4","4","10","4","1") = "9"
    & skf18("10","4","4","4","10","5","1") = "9"
    & skf18("10","4","4","4","10","6","1") = "9"
    & skf18("10","4","4","4","10","7","1") = "9"
    & skf18("10","4","4","4","10","8","1") = "9"
    & skf18("10","4","4","4","10","9","1") = "9"
    & skf18("10","4","4","4","10","10","1") = "9"
    & skf18("10","4","4","5","1","1","1") = "9"
    & skf18("10","4","4","5","1","2","1") = "9"
    & skf18("10","4","4","5","1","3","1") = "9"
    & skf18("10","4","4","5","1","4","1") = "9"
    & skf18("10","4","4","5","1","5","1") = "9"
    & skf18("10","4","4","5","1","6","1") = "9"
    & skf18("10","4","4","5","1","7","1") = "9"
    & skf18("10","4","4","5","1","8","1") = "9"
    & skf18("10","4","4","5","1","9","1") = "9"
    & skf18("10","4","4","5","1","10","1") = "9"
    & skf18("10","4","4","5","2","1","1") = "9"
    & skf18("10","4","4","5","2","2","1") = "9"
    & skf18("10","4","4","5","2","3","1") = "9"
    & skf18("10","4","4","5","2","4","1") = "9"
    & skf18("10","4","4","5","2","5","1") = "9"
    & skf18("10","4","4","5","2","6","1") = "9"
    & skf18("10","4","4","5","2","7","1") = "9"
    & skf18("10","4","4","5","2","8","1") = "9"
    & skf18("10","4","4","5","2","9","1") = "9"
    & skf18("10","4","4","5","2","10","1") = "9"
    & skf18("10","4","4","5","3","1","1") = "9"
    & skf18("10","4","4","5","3","2","1") = "9"
    & skf18("10","4","4","5","3","3","1") = "9"
    & skf18("10","4","4","5","3","4","1") = "9"
    & skf18("10","4","4","5","3","5","1") = "9"
    & skf18("10","4","4","5","3","6","1") = "9"
    & skf18("10","4","4","5","3","7","1") = "9"
    & skf18("10","4","4","5","3","8","1") = "9"
    & skf18("10","4","4","5","3","9","1") = "9"
    & skf18("10","4","4","5","3","10","1") = "9"
    & skf18("10","4","4","5","4","1","1") = "9"
    & skf18("10","4","4","5","4","2","1") = "9"
    & skf18("10","4","4","5","4","3","1") = "9"
    & skf18("10","4","4","5","4","4","1") = "9"
    & skf18("10","4","4","5","4","5","1") = "9"
    & skf18("10","4","4","5","4","6","1") = "9"
    & skf18("10","4","4","5","4","7","1") = "9"
    & skf18("10","4","4","5","4","8","1") = "9"
    & skf18("10","4","4","5","4","9","1") = "9"
    & skf18("10","4","4","5","4","10","1") = "9"
    & skf18("10","4","4","5","5","1","1") = "9"
    & skf18("10","4","4","5","5","2","1") = "9"
    & skf18("10","4","4","5","5","3","1") = "9"
    & skf18("10","4","4","5","5","4","1") = "9"
    & skf18("10","4","4","5","5","5","1") = "9"
    & skf18("10","4","4","5","5","6","1") = "9"
    & skf18("10","4","4","5","5","7","1") = "9"
    & skf18("10","4","4","5","5","8","1") = "9"
    & skf18("10","4","4","5","5","9","1") = "9"
    & skf18("10","4","4","5","5","10","1") = "9"
    & skf18("10","4","4","5","6","1","1") = "9"
    & skf18("10","4","4","5","6","2","1") = "9"
    & skf18("10","4","4","5","6","3","1") = "9"
    & skf18("10","4","4","5","6","4","1") = "9"
    & skf18("10","4","4","5","6","5","1") = "9"
    & skf18("10","4","4","5","6","6","1") = "9"
    & skf18("10","4","4","5","6","7","1") = "9"
    & skf18("10","4","4","5","6","8","1") = "9"
    & skf18("10","4","4","5","6","9","1") = "9"
    & skf18("10","4","4","5","6","10","1") = "9"
    & skf18("10","4","4","5","7","1","1") = "9"
    & skf18("10","4","4","5","7","2","1") = "9"
    & skf18("10","4","4","5","7","3","1") = "9"
    & skf18("10","4","4","5","7","4","1") = "9"
    & skf18("10","4","4","5","7","5","1") = "9"
    & skf18("10","4","4","5","7","6","1") = "9"
    & skf18("10","4","4","5","7","7","1") = "9"
    & skf18("10","4","4","5","7","8","1") = "9"
    & skf18("10","4","4","5","7","9","1") = "9"
    & skf18("10","4","4","5","7","10","1") = "9"
    & skf18("10","4","4","5","8","1","1") = "9"
    & skf18("10","4","4","5","8","2","1") = "9"
    & skf18("10","4","4","5","8","3","1") = "9"
    & skf18("10","4","4","5","8","4","1") = "9"
    & skf18("10","4","4","5","8","5","1") = "9"
    & skf18("10","4","4","5","8","6","1") = "9"
    & skf18("10","4","4","5","8","7","1") = "9"
    & skf18("10","4","4","5","8","8","1") = "9"
    & skf18("10","4","4","5","8","9","1") = "9"
    & skf18("10","4","4","5","8","10","1") = "9"
    & skf18("10","4","4","5","9","1","1") = "9"
    & skf18("10","4","4","5","9","2","1") = "9"
    & skf18("10","4","4","5","9","3","1") = "9"
    & skf18("10","4","4","5","9","4","1") = "9"
    & skf18("10","4","4","5","9","5","1") = "9"
    & skf18("10","4","4","5","9","6","1") = "9"
    & skf18("10","4","4","5","9","7","1") = "9"
    & skf18("10","4","4","5","9","8","1") = "9"
    & skf18("10","4","4","5","9","9","1") = "9"
    & skf18("10","4","4","5","9","10","1") = "9"
    & skf18("10","4","4","5","10","1","1") = "9"
    & skf18("10","4","4","5","10","2","1") = "9"
    & skf18("10","4","4","5","10","3","1") = "9"
    & skf18("10","4","4","5","10","4","1") = "9"
    & skf18("10","4","4","5","10","5","1") = "9"
    & skf18("10","4","4","5","10","6","1") = "9"
    & skf18("10","4","4","5","10","7","1") = "9"
    & skf18("10","4","4","5","10","8","1") = "9"
    & skf18("10","4","4","5","10","9","1") = "9"
    & skf18("10","4","4","5","10","10","1") = "9"
    & skf18("10","4","4","6","1","1","1") = "9"
    & skf18("10","4","4","6","1","2","1") = "9"
    & skf18("10","4","4","6","1","3","1") = "9"
    & skf18("10","4","4","6","1","4","1") = "9"
    & skf18("10","4","4","6","1","5","1") = "9"
    & skf18("10","4","4","6","1","6","1") = "9"
    & skf18("10","4","4","6","1","7","1") = "9"
    & skf18("10","4","4","6","1","8","1") = "9"
    & skf18("10","4","4","6","1","9","1") = "9"
    & skf18("10","4","4","6","1","10","1") = "9"
    & skf18("10","4","4","6","2","1","1") = "9"
    & skf18("10","4","4","6","2","2","1") = "9"
    & skf18("10","4","4","6","2","3","1") = "9"
    & skf18("10","4","4","6","2","4","1") = "9"
    & skf18("10","4","4","6","2","5","1") = "9"
    & skf18("10","4","4","6","2","6","1") = "9"
    & skf18("10","4","4","6","2","7","1") = "9"
    & skf18("10","4","4","6","2","8","1") = "9"
    & skf18("10","4","4","6","2","9","1") = "9"
    & skf18("10","4","4","6","2","10","1") = "9"
    & skf18("10","4","4","6","3","1","1") = "9"
    & skf18("10","4","4","6","3","2","1") = "9"
    & skf18("10","4","4","6","3","3","1") = "9"
    & skf18("10","4","4","6","3","4","1") = "9"
    & skf18("10","4","4","6","3","5","1") = "9"
    & skf18("10","4","4","6","3","6","1") = "9"
    & skf18("10","4","4","6","3","7","1") = "9"
    & skf18("10","4","4","6","3","8","1") = "9"
    & skf18("10","4","4","6","3","9","1") = "9"
    & skf18("10","4","4","6","3","10","1") = "9"
    & skf18("10","4","4","6","4","1","1") = "9"
    & skf18("10","4","4","6","4","2","1") = "9"
    & skf18("10","4","4","6","4","3","1") = "9"
    & skf18("10","4","4","6","4","4","1") = "9"
    & skf18("10","4","4","6","4","5","1") = "9"
    & skf18("10","4","4","6","4","6","1") = "9"
    & skf18("10","4","4","6","4","7","1") = "9"
    & skf18("10","4","4","6","4","8","1") = "9"
    & skf18("10","4","4","6","4","9","1") = "9"
    & skf18("10","4","4","6","4","10","1") = "9"
    & skf18("10","4","4","6","5","1","1") = "9"
    & skf18("10","4","4","6","5","2","1") = "9"
    & skf18("10","4","4","6","5","3","1") = "9"
    & skf18("10","4","4","6","5","4","1") = "9"
    & skf18("10","4","4","6","5","5","1") = "9"
    & skf18("10","4","4","6","5","6","1") = "9"
    & skf18("10","4","4","6","5","7","1") = "9"
    & skf18("10","4","4","6","5","8","1") = "9"
    & skf18("10","4","4","6","5","9","1") = "9"
    & skf18("10","4","4","6","5","10","1") = "9"
    & skf18("10","4","4","6","6","1","1") = "9"
    & skf18("10","4","4","6","6","2","1") = "9"
    & skf18("10","4","4","6","6","3","1") = "9"
    & skf18("10","4","4","6","6","4","1") = "9"
    & skf18("10","4","4","6","6","5","1") = "9"
    & skf18("10","4","4","6","6","6","1") = "9"
    & skf18("10","4","4","6","6","7","1") = "9"
    & skf18("10","4","4","6","6","8","1") = "9"
    & skf18("10","4","4","6","6","9","1") = "9"
    & skf18("10","4","4","6","6","10","1") = "9"
    & skf18("10","4","4","6","7","1","1") = "9"
    & skf18("10","4","4","6","7","2","1") = "9"
    & skf18("10","4","4","6","7","3","1") = "9"
    & skf18("10","4","4","6","7","4","1") = "9"
    & skf18("10","4","4","6","7","5","1") = "9"
    & skf18("10","4","4","6","7","6","1") = "9"
    & skf18("10","4","4","6","7","7","1") = "9"
    & skf18("10","4","4","6","7","8","1") = "9"
    & skf18("10","4","4","6","7","9","1") = "9"
    & skf18("10","4","4","6","7","10","1") = "9"
    & skf18("10","4","4","6","8","1","1") = "9"
    & skf18("10","4","4","6","8","2","1") = "9"
    & skf18("10","4","4","6","8","3","1") = "9"
    & skf18("10","4","4","6","8","4","1") = "9"
    & skf18("10","4","4","6","8","5","1") = "9"
    & skf18("10","4","4","6","8","6","1") = "9"
    & skf18("10","4","4","6","8","7","1") = "9"
    & skf18("10","4","4","6","8","8","1") = "9"
    & skf18("10","4","4","6","8","9","1") = "9"
    & skf18("10","4","4","6","8","10","1") = "9"
    & skf18("10","4","4","6","9","1","1") = "9"
    & skf18("10","4","4","6","9","2","1") = "9"
    & skf18("10","4","4","6","9","3","1") = "9"
    & skf18("10","4","4","6","9","4","1") = "9"
    & skf18("10","4","4","6","9","5","1") = "9"
    & skf18("10","4","4","6","9","6","1") = "9"
    & skf18("10","4","4","6","9","7","1") = "9"
    & skf18("10","4","4","6","9","8","1") = "9"
    & skf18("10","4","4","6","9","9","1") = "9"
    & skf18("10","4","4","6","9","10","1") = "9"
    & skf18("10","4","4","6","10","1","1") = "9"
    & skf18("10","4","4","6","10","2","1") = "9"
    & skf18("10","4","4","6","10","3","1") = "9"
    & skf18("10","4","4","6","10","4","1") = "9"
    & skf18("10","4","4","6","10","5","1") = "9"
    & skf18("10","4","4","6","10","6","1") = "9"
    & skf18("10","4","4","6","10","7","1") = "9"
    & skf18("10","4","4","6","10","8","1") = "9"
    & skf18("10","4","4","6","10","9","1") = "9"
    & skf18("10","4","4","6","10","10","1") = "9"
    & skf18("10","4","4","7","1","1","1") = "9"
    & skf18("10","4","4","7","1","2","1") = "9"
    & skf18("10","4","4","7","1","3","1") = "9"
    & skf18("10","4","4","7","1","4","1") = "9"
    & skf18("10","4","4","7","1","5","1") = "9"
    & skf18("10","4","4","7","1","6","1") = "9"
    & skf18("10","4","4","7","1","7","1") = "9"
    & skf18("10","4","4","7","1","8","1") = "9"
    & skf18("10","4","4","7","1","9","1") = "9"
    & skf18("10","4","4","7","1","10","1") = "9"
    & skf18("10","4","4","7","2","1","1") = "9"
    & skf18("10","4","4","7","2","2","1") = "9"
    & skf18("10","4","4","7","2","3","1") = "9"
    & skf18("10","4","4","7","2","4","1") = "9"
    & skf18("10","4","4","7","2","5","1") = "9"
    & skf18("10","4","4","7","2","6","1") = "9"
    & skf18("10","4","4","7","2","7","1") = "9"
    & skf18("10","4","4","7","2","8","1") = "9"
    & skf18("10","4","4","7","2","9","1") = "9"
    & skf18("10","4","4","7","2","10","1") = "9"
    & skf18("10","4","4","7","3","1","1") = "9"
    & skf18("10","4","4","7","3","2","1") = "9"
    & skf18("10","4","4","7","3","3","1") = "9"
    & skf18("10","4","4","7","3","4","1") = "9"
    & skf18("10","4","4","7","3","5","1") = "9"
    & skf18("10","4","4","7","3","6","1") = "9"
    & skf18("10","4","4","7","3","7","1") = "9"
    & skf18("10","4","4","7","3","8","1") = "9"
    & skf18("10","4","4","7","3","9","1") = "9"
    & skf18("10","4","4","7","3","10","1") = "9"
    & skf18("10","4","4","7","4","1","1") = "9"
    & skf18("10","4","4","7","4","2","1") = "9"
    & skf18("10","4","4","7","4","3","1") = "9"
    & skf18("10","4","4","7","4","4","1") = "9"
    & skf18("10","4","4","7","4","5","1") = "9"
    & skf18("10","4","4","7","4","6","1") = "9"
    & skf18("10","4","4","7","4","7","1") = "9"
    & skf18("10","4","4","7","4","8","1") = "9"
    & skf18("10","4","4","7","4","9","1") = "9"
    & skf18("10","4","4","7","4","10","1") = "9"
    & skf18("10","4","4","7","5","1","1") = "9"
    & skf18("10","4","4","7","5","2","1") = "9"
    & skf18("10","4","4","7","5","3","1") = "9"
    & skf18("10","4","4","7","5","4","1") = "9"
    & skf18("10","4","4","7","5","5","1") = "9"
    & skf18("10","4","4","7","5","6","1") = "9"
    & skf18("10","4","4","7","5","7","1") = "9"
    & skf18("10","4","4","7","5","8","1") = "9"
    & skf18("10","4","4","7","5","9","1") = "9"
    & skf18("10","4","4","7","5","10","1") = "9"
    & skf18("10","4","4","7","6","1","1") = "9"
    & skf18("10","4","4","7","6","2","1") = "9"
    & skf18("10","4","4","7","6","3","1") = "9"
    & skf18("10","4","4","7","6","4","1") = "9"
    & skf18("10","4","4","7","6","5","1") = "9"
    & skf18("10","4","4","7","6","6","1") = "9"
    & skf18("10","4","4","7","6","7","1") = "9"
    & skf18("10","4","4","7","6","8","1") = "9"
    & skf18("10","4","4","7","6","9","1") = "9"
    & skf18("10","4","4","7","6","10","1") = "9"
    & skf18("10","4","4","7","7","1","1") = "9"
    & skf18("10","4","4","7","7","2","1") = "9"
    & skf18("10","4","4","7","7","3","1") = "9"
    & skf18("10","4","4","7","7","4","1") = "9"
    & skf18("10","4","4","7","7","5","1") = "9"
    & skf18("10","4","4","7","7","6","1") = "9"
    & skf18("10","4","4","7","7","7","1") = "9"
    & skf18("10","4","4","7","7","8","1") = "9"
    & skf18("10","4","4","7","7","9","1") = "9"
    & skf18("10","4","4","7","7","10","1") = "9"
    & skf18("10","4","4","7","8","1","1") = "9"
    & skf18("10","4","4","7","8","2","1") = "9"
    & skf18("10","4","4","7","8","3","1") = "9"
    & skf18("10","4","4","7","8","4","1") = "9"
    & skf18("10","4","4","7","8","5","1") = "9"
    & skf18("10","4","4","7","8","6","1") = "9"
    & skf18("10","4","4","7","8","7","1") = "9"
    & skf18("10","4","4","7","8","8","1") = "9"
    & skf18("10","4","4","7","8","9","1") = "9"
    & skf18("10","4","4","7","8","10","1") = "9"
    & skf18("10","4","4","7","9","1","1") = "9"
    & skf18("10","4","4","7","9","2","1") = "9"
    & skf18("10","4","4","7","9","3","1") = "9"
    & skf18("10","4","4","7","9","4","1") = "9"
    & skf18("10","4","4","7","9","5","1") = "9"
    & skf18("10","4","4","7","9","6","1") = "9"
    & skf18("10","4","4","7","9","7","1") = "9"
    & skf18("10","4","4","7","9","8","1") = "9"
    & skf18("10","4","4","7","9","9","1") = "9"
    & skf18("10","4","4","7","9","10","1") = "9"
    & skf18("10","4","4","7","10","1","1") = "9"
    & skf18("10","4","4","7","10","2","1") = "9"
    & skf18("10","4","4","7","10","3","1") = "9"
    & skf18("10","4","4","7","10","4","1") = "9"
    & skf18("10","4","4","7","10","5","1") = "9"
    & skf18("10","4","4","7","10","6","1") = "9"
    & skf18("10","4","4","7","10","7","1") = "9"
    & skf18("10","4","4","7","10","8","1") = "9"
    & skf18("10","4","4","7","10","9","1") = "9"
    & skf18("10","4","4","7","10","10","1") = "9"
    & skf18("10","4","4","8","1","1","1") = "9"
    & skf18("10","4","4","8","1","2","1") = "9"
    & skf18("10","4","4","8","1","3","1") = "9"
    & skf18("10","4","4","8","1","4","1") = "9"
    & skf18("10","4","4","8","1","5","1") = "9"
    & skf18("10","4","4","8","1","6","1") = "9"
    & skf18("10","4","4","8","1","7","1") = "9"
    & skf18("10","4","4","8","1","8","1") = "9"
    & skf18("10","4","4","8","1","9","1") = "9"
    & skf18("10","4","4","8","1","10","1") = "9"
    & skf18("10","4","4","8","2","1","1") = "9"
    & skf18("10","4","4","8","2","2","1") = "9"
    & skf18("10","4","4","8","2","3","1") = "9"
    & skf18("10","4","4","8","2","4","1") = "9"
    & skf18("10","4","4","8","2","5","1") = "9"
    & skf18("10","4","4","8","2","6","1") = "9"
    & skf18("10","4","4","8","2","7","1") = "9"
    & skf18("10","4","4","8","2","8","1") = "9"
    & skf18("10","4","4","8","2","9","1") = "9"
    & skf18("10","4","4","8","2","10","1") = "9"
    & skf18("10","4","4","8","3","1","1") = "9"
    & skf18("10","4","4","8","3","2","1") = "9"
    & skf18("10","4","4","8","3","3","1") = "9"
    & skf18("10","4","4","8","3","4","1") = "9"
    & skf18("10","4","4","8","3","5","1") = "9"
    & skf18("10","4","4","8","3","6","1") = "9"
    & skf18("10","4","4","8","3","7","1") = "9"
    & skf18("10","4","4","8","3","8","1") = "9"
    & skf18("10","4","4","8","3","9","1") = "9"
    & skf18("10","4","4","8","3","10","1") = "9"
    & skf18("10","4","4","8","4","1","1") = "9"
    & skf18("10","4","4","8","4","2","1") = "9"
    & skf18("10","4","4","8","4","3","1") = "9"
    & skf18("10","4","4","8","4","4","1") = "9"
    & skf18("10","4","4","8","4","5","1") = "9"
    & skf18("10","4","4","8","4","6","1") = "9"
    & skf18("10","4","4","8","4","7","1") = "9"
    & skf18("10","4","4","8","4","8","1") = "9"
    & skf18("10","4","4","8","4","9","1") = "9"
    & skf18("10","4","4","8","4","10","1") = "9"
    & skf18("10","4","4","8","5","1","1") = "9"
    & skf18("10","4","4","8","5","2","1") = "9"
    & skf18("10","4","4","8","5","3","1") = "9"
    & skf18("10","4","4","8","5","4","1") = "9"
    & skf18("10","4","4","8","5","5","1") = "9"
    & skf18("10","4","4","8","5","6","1") = "9"
    & skf18("10","4","4","8","5","7","1") = "9"
    & skf18("10","4","4","8","5","8","1") = "9"
    & skf18("10","4","4","8","5","9","1") = "9"
    & skf18("10","4","4","8","5","10","1") = "9"
    & skf18("10","4","4","8","6","1","1") = "9"
    & skf18("10","4","4","8","6","2","1") = "9"
    & skf18("10","4","4","8","6","3","1") = "9"
    & skf18("10","4","4","8","6","4","1") = "9"
    & skf18("10","4","4","8","6","5","1") = "9"
    & skf18("10","4","4","8","6","6","1") = "9"
    & skf18("10","4","4","8","6","7","1") = "9"
    & skf18("10","4","4","8","6","8","1") = "9"
    & skf18("10","4","4","8","6","9","1") = "9"
    & skf18("10","4","4","8","6","10","1") = "9"
    & skf18("10","4","4","8","7","1","1") = "9"
    & skf18("10","4","4","8","7","2","1") = "9"
    & skf18("10","4","4","8","7","3","1") = "9"
    & skf18("10","4","4","8","7","4","1") = "9"
    & skf18("10","4","4","8","7","5","1") = "9"
    & skf18("10","4","4","8","7","6","1") = "9"
    & skf18("10","4","4","8","7","7","1") = "9"
    & skf18("10","4","4","8","7","8","1") = "9"
    & skf18("10","4","4","8","7","9","1") = "9"
    & skf18("10","4","4","8","7","10","1") = "9"
    & skf18("10","4","4","8","8","1","1") = "9"
    & skf18("10","4","4","8","8","2","1") = "9"
    & skf18("10","4","4","8","8","3","1") = "9"
    & skf18("10","4","4","8","8","4","1") = "9"
    & skf18("10","4","4","8","8","5","1") = "9"
    & skf18("10","4","4","8","8","6","1") = "9"
    & skf18("10","4","4","8","8","7","1") = "9"
    & skf18("10","4","4","8","8","8","1") = "9"
    & skf18("10","4","4","8","8","9","1") = "9"
    & skf18("10","4","4","8","8","10","1") = "9"
    & skf18("10","4","4","8","9","1","1") = "9"
    & skf18("10","4","4","8","9","2","1") = "9"
    & skf18("10","4","4","8","9","3","1") = "9"
    & skf18("10","4","4","8","9","4","1") = "9"
    & skf18("10","4","4","8","9","5","1") = "9"
    & skf18("10","4","4","8","9","6","1") = "9"
    & skf18("10","4","4","8","9","7","1") = "9"
    & skf18("10","4","4","8","9","8","1") = "9"
    & skf18("10","4","4","8","9","9","1") = "9"
    & skf18("10","4","4","8","9","10","1") = "9"
    & skf18("10","4","4","8","10","1","1") = "9"
    & skf18("10","4","4","8","10","2","1") = "9"
    & skf18("10","4","4","8","10","3","1") = "9"
    & skf18("10","4","4","8","10","4","1") = "9"
    & skf18("10","4","4","8","10","5","1") = "9"
    & skf18("10","4","4","8","10","6","1") = "9"
    & skf18("10","4","4","8","10","7","1") = "9"
    & skf18("10","4","4","8","10","8","1") = "9"
    & skf18("10","4","4","8","10","9","1") = "9"
    & skf18("10","4","4","8","10","10","1") = "9"
    & skf18("10","4","4","9","1","1","1") = "9"
    & skf18("10","4","4","9","1","2","1") = "9"
    & skf18("10","4","4","9","1","3","1") = "9"
    & skf18("10","4","4","9","1","4","1") = "9"
    & skf18("10","4","4","9","1","5","1") = "9"
    & skf18("10","4","4","9","1","6","1") = "9"
    & skf18("10","4","4","9","1","7","1") = "9"
    & skf18("10","4","4","9","1","8","1") = "9"
    & skf18("10","4","4","9","1","9","1") = "9"
    & skf18("10","4","4","9","1","10","1") = "9"
    & skf18("10","4","4","9","2","1","1") = "9"
    & skf18("10","4","4","9","2","2","1") = "9"
    & skf18("10","4","4","9","2","3","1") = "9"
    & skf18("10","4","4","9","2","4","1") = "9"
    & skf18("10","4","4","9","2","5","1") = "9"
    & skf18("10","4","4","9","2","6","1") = "9"
    & skf18("10","4","4","9","2","7","1") = "9"
    & skf18("10","4","4","9","2","8","1") = "9"
    & skf18("10","4","4","9","2","9","1") = "9"
    & skf18("10","4","4","9","2","10","1") = "9"
    & skf18("10","4","4","9","3","1","1") = "9"
    & skf18("10","4","4","9","3","2","1") = "9"
    & skf18("10","4","4","9","3","3","1") = "9"
    & skf18("10","4","4","9","3","4","1") = "9"
    & skf18("10","4","4","9","3","5","1") = "9"
    & skf18("10","4","4","9","3","6","1") = "9"
    & skf18("10","4","4","9","3","7","1") = "9"
    & skf18("10","4","4","9","3","8","1") = "9"
    & skf18("10","4","4","9","3","9","1") = "9"
    & skf18("10","4","4","9","3","10","1") = "9"
    & skf18("10","4","4","9","4","1","1") = "9"
    & skf18("10","4","4","9","4","2","1") = "9"
    & skf18("10","4","4","9","4","3","1") = "9"
    & skf18("10","4","4","9","4","4","1") = "9"
    & skf18("10","4","4","9","4","5","1") = "9"
    & skf18("10","4","4","9","4","6","1") = "9"
    & skf18("10","4","4","9","4","7","1") = "9"
    & skf18("10","4","4","9","4","8","1") = "9"
    & skf18("10","4","4","9","4","9","1") = "9"
    & skf18("10","4","4","9","4","10","1") = "9"
    & skf18("10","4","4","9","5","1","1") = "9"
    & skf18("10","4","4","9","5","2","1") = "9"
    & skf18("10","4","4","9","5","3","1") = "9"
    & skf18("10","4","4","9","5","4","1") = "9"
    & skf18("10","4","4","9","5","5","1") = "9"
    & skf18("10","4","4","9","5","6","1") = "9"
    & skf18("10","4","4","9","5","7","1") = "9"
    & skf18("10","4","4","9","5","8","1") = "9"
    & skf18("10","4","4","9","5","9","1") = "9"
    & skf18("10","4","4","9","5","10","1") = "9"
    & skf18("10","4","4","9","6","1","1") = "9"
    & skf18("10","4","4","9","6","2","1") = "9"
    & skf18("10","4","4","9","6","3","1") = "9"
    & skf18("10","4","4","9","6","4","1") = "9"
    & skf18("10","4","4","9","6","5","1") = "9"
    & skf18("10","4","4","9","6","6","1") = "9"
    & skf18("10","4","4","9","6","7","1") = "9"
    & skf18("10","4","4","9","6","8","1") = "9"
    & skf18("10","4","4","9","6","9","1") = "9"
    & skf18("10","4","4","9","6","10","1") = "9"
    & skf18("10","4","4","9","7","1","1") = "9"
    & skf18("10","4","4","9","7","2","1") = "9"
    & skf18("10","4","4","9","7","3","1") = "9"
    & skf18("10","4","4","9","7","4","1") = "9"
    & skf18("10","4","4","9","7","5","1") = "9"
    & skf18("10","4","4","9","7","6","1") = "9"
    & skf18("10","4","4","9","7","7","1") = "9"
    & skf18("10","4","4","9","7","8","1") = "9"
    & skf18("10","4","4","9","7","9","1") = "9"
    & skf18("10","4","4","9","7","10","1") = "9"
    & skf18("10","4","4","9","8","1","1") = "9"
    & skf18("10","4","4","9","8","2","1") = "9"
    & skf18("10","4","4","9","8","3","1") = "9"
    & skf18("10","4","4","9","8","4","1") = "9"
    & skf18("10","4","4","9","8","5","1") = "9"
    & skf18("10","4","4","9","8","6","1") = "9"
    & skf18("10","4","4","9","8","7","1") = "9"
    & skf18("10","4","4","9","8","8","1") = "9"
    & skf18("10","4","4","9","8","9","1") = "9"
    & skf18("10","4","4","9","8","10","1") = "9"
    & skf18("10","4","4","9","9","1","1") = "9"
    & skf18("10","4","4","9","9","2","1") = "9"
    & skf18("10","4","4","9","9","3","1") = "9"
    & skf18("10","4","4","9","9","4","1") = "9"
    & skf18("10","4","4","9","9","5","1") = "9"
    & skf18("10","4","4","9","9","6","1") = "9"
    & skf18("10","4","4","9","9","7","1") = "9"
    & skf18("10","4","4","9","9","8","1") = "9"
    & skf18("10","4","4","9","9","9","1") = "9"
    & skf18("10","4","4","9","9","10","1") = "9"
    & skf18("10","4","4","9","10","1","1") = "9"
    & skf18("10","4","4","9","10","2","1") = "9"
    & skf18("10","4","4","9","10","3","1") = "9"
    & skf18("10","4","4","9","10","4","1") = "9"
    & skf18("10","4","4","9","10","5","1") = "9"
    & skf18("10","4","4","9","10","6","1") = "9"
    & skf18("10","4","4","9","10","7","1") = "9"
    & skf18("10","4","4","9","10","8","1") = "9"
    & skf18("10","4","4","9","10","9","1") = "9"
    & skf18("10","4","4","9","10","10","1") = "9"
    & skf18("10","4","4","10","1","1","1") = "9"
    & skf18("10","4","4","10","1","2","1") = "9"
    & skf18("10","4","4","10","1","3","1") = "9"
    & skf18("10","4","4","10","1","4","1") = "9"
    & skf18("10","4","4","10","1","5","1") = "9"
    & skf18("10","4","4","10","1","6","1") = "9"
    & skf18("10","4","4","10","1","7","1") = "9"
    & skf18("10","4","4","10","1","8","1") = "9"
    & skf18("10","4","4","10","1","9","1") = "9"
    & skf18("10","4","4","10","1","10","1") = "9"
    & skf18("10","4","4","10","2","1","1") = "9"
    & skf18("10","4","4","10","2","2","1") = "9"
    & skf18("10","4","4","10","2","3","1") = "9"
    & skf18("10","4","4","10","2","4","1") = "9"
    & skf18("10","4","4","10","2","5","1") = "9"
    & skf18("10","4","4","10","2","6","1") = "9"
    & skf18("10","4","4","10","2","7","1") = "9"
    & skf18("10","4","4","10","2","8","1") = "9"
    & skf18("10","4","4","10","2","9","1") = "9"
    & skf18("10","4","4","10","2","10","1") = "9"
    & skf18("10","4","4","10","3","1","1") = "9"
    & skf18("10","4","4","10","3","2","1") = "9"
    & skf18("10","4","4","10","3","3","1") = "9"
    & skf18("10","4","4","10","3","4","1") = "9"
    & skf18("10","4","4","10","3","5","1") = "9"
    & skf18("10","4","4","10","3","6","1") = "9"
    & skf18("10","4","4","10","3","7","1") = "9"
    & skf18("10","4","4","10","3","8","1") = "9"
    & skf18("10","4","4","10","3","9","1") = "9"
    & skf18("10","4","4","10","3","10","1") = "9"
    & skf18("10","4","4","10","4","1","1") = "9"
    & skf18("10","4","4","10","4","2","1") = "9"
    & skf18("10","4","4","10","4","3","1") = "9"
    & skf18("10","4","4","10","4","4","1") = "9"
    & skf18("10","4","4","10","4","5","1") = "9"
    & skf18("10","4","4","10","4","6","1") = "9"
    & skf18("10","4","4","10","4","7","1") = "9"
    & skf18("10","4","4","10","4","8","1") = "9"
    & skf18("10","4","4","10","4","9","1") = "9"
    & skf18("10","4","4","10","4","10","1") = "9"
    & skf18("10","4","4","10","5","1","1") = "9"
    & skf18("10","4","4","10","5","2","1") = "9"
    & skf18("10","4","4","10","5","3","1") = "9"
    & skf18("10","4","4","10","5","4","1") = "9"
    & skf18("10","4","4","10","5","5","1") = "9"
    & skf18("10","4","4","10","5","6","1") = "9"
    & skf18("10","4","4","10","5","7","1") = "9"
    & skf18("10","4","4","10","5","8","1") = "9"
    & skf18("10","4","4","10","5","9","1") = "9"
    & skf18("10","4","4","10","5","10","1") = "9"
    & skf18("10","4","4","10","6","1","1") = "9"
    & skf18("10","4","4","10","6","2","1") = "9"
    & skf18("10","4","4","10","6","3","1") = "9"
    & skf18("10","4","4","10","6","4","1") = "9"
    & skf18("10","4","4","10","6","5","1") = "9"
    & skf18("10","4","4","10","6","6","1") = "9"
    & skf18("10","4","4","10","6","7","1") = "9"
    & skf18("10","4","4","10","6","8","1") = "9"
    & skf18("10","4","4","10","6","9","1") = "9"
    & skf18("10","4","4","10","6","10","1") = "9"
    & skf18("10","4","4","10","7","1","1") = "9"
    & skf18("10","4","4","10","7","2","1") = "9"
    & skf18("10","4","4","10","7","3","1") = "9"
    & skf18("10","4","4","10","7","4","1") = "9"
    & skf18("10","4","4","10","7","5","1") = "9"
    & skf18("10","4","4","10","7","6","1") = "9"
    & skf18("10","4","4","10","7","7","1") = "9"
    & skf18("10","4","4","10","7","8","1") = "9"
    & skf18("10","4","4","10","7","9","1") = "9"
    & skf18("10","4","4","10","7","10","1") = "9"
    & skf18("10","4","4","10","8","1","1") = "9"
    & skf18("10","4","4","10","8","2","1") = "9"
    & skf18("10","4","4","10","8","3","1") = "9"
    & skf18("10","4","4","10","8","4","1") = "9"
    & skf18("10","4","4","10","8","5","1") = "9"
    & skf18("10","4","4","10","8","6","1") = "9"
    & skf18("10","4","4","10","8","7","1") = "9"
    & skf18("10","4","4","10","8","8","1") = "9"
    & skf18("10","4","4","10","8","9","1") = "9"
    & skf18("10","4","4","10","8","10","1") = "9"
    & skf18("10","4","4","10","9","1","1") = "9"
    & skf18("10","4","4","10","9","2","1") = "9"
    & skf18("10","4","4","10","9","3","1") = "9"
    & skf18("10","4","4","10","9","4","1") = "9"
    & skf18("10","4","4","10","9","5","1") = "9"
    & skf18("10","4","4","10","9","6","1") = "9"
    & skf18("10","4","4","10","9","7","1") = "9"
    & skf18("10","4","4","10","9","8","1") = "9"
    & skf18("10","4","4","10","9","9","1") = "9"
    & skf18("10","4","4","10","9","10","1") = "9"
    & skf18("10","4","4","10","10","1","1") = "9"
    & skf18("10","4","4","10","10","2","1") = "9"
    & skf18("10","4","4","10","10","3","1") = "9"
    & skf18("10","4","4","10","10","4","1") = "9"
    & skf18("10","4","4","10","10","5","1") = "9"
    & skf18("10","4","4","10","10","6","1") = "9"
    & skf18("10","4","4","10","10","7","1") = "9"
    & skf18("10","4","4","10","10","8","1") = "9"
    & skf18("10","4","4","10","10","9","1") = "9"
    & skf18("10","4","4","10","10","10","1") = "9"
    & skf18("10","4","5","1","1","1","1") = "9"
    & skf18("10","4","5","1","1","2","1") = "9"
    & skf18("10","4","5","1","1","3","1") = "9"
    & skf18("10","4","5","1","1","4","1") = "9"
    & skf18("10","4","5","1","1","5","1") = "9"
    & skf18("10","4","5","1","1","6","1") = "9"
    & skf18("10","4","5","1","1","7","1") = "9"
    & skf18("10","4","5","1","1","8","1") = "9"
    & skf18("10","4","5","1","1","9","1") = "9"
    & skf18("10","4","5","1","1","10","1") = "9"
    & skf18("10","4","5","1","2","1","1") = "9"
    & skf18("10","4","5","1","2","2","1") = "9"
    & skf18("10","4","5","1","2","3","1") = "9"
    & skf18("10","4","5","1","2","4","1") = "9"
    & skf18("10","4","5","1","2","5","1") = "9"
    & skf18("10","4","5","1","2","6","1") = "9"
    & skf18("10","4","5","1","2","7","1") = "9"
    & skf18("10","4","5","1","2","8","1") = "9"
    & skf18("10","4","5","1","2","9","1") = "9"
    & skf18("10","4","5","1","2","10","1") = "9"
    & skf18("10","4","5","1","3","1","1") = "9"
    & skf18("10","4","5","1","3","2","1") = "9"
    & skf18("10","4","5","1","3","3","1") = "9"
    & skf18("10","4","5","1","3","4","1") = "9"
    & skf18("10","4","5","1","3","5","1") = "9"
    & skf18("10","4","5","1","3","6","1") = "9"
    & skf18("10","4","5","1","3","7","1") = "9"
    & skf18("10","4","5","1","3","8","1") = "9"
    & skf18("10","4","5","1","3","9","1") = "9"
    & skf18("10","4","5","1","3","10","1") = "9"
    & skf18("10","4","5","1","4","1","1") = "9"
    & skf18("10","4","5","1","4","2","1") = "9"
    & skf18("10","4","5","1","4","3","1") = "9"
    & skf18("10","4","5","1","4","4","1") = "9"
    & skf18("10","4","5","1","4","5","1") = "9"
    & skf18("10","4","5","1","4","6","1") = "9"
    & skf18("10","4","5","1","4","7","1") = "9"
    & skf18("10","4","5","1","4","8","1") = "9"
    & skf18("10","4","5","1","4","9","1") = "9"
    & skf18("10","4","5","1","4","10","1") = "9"
    & skf18("10","4","5","1","5","1","1") = "9"
    & skf18("10","4","5","1","5","2","1") = "9"
    & skf18("10","4","5","1","5","3","1") = "9"
    & skf18("10","4","5","1","5","4","1") = "9"
    & skf18("10","4","5","1","5","5","1") = "9"
    & skf18("10","4","5","1","5","6","1") = "9"
    & skf18("10","4","5","1","5","7","1") = "9"
    & skf18("10","4","5","1","5","8","1") = "9"
    & skf18("10","4","5","1","5","9","1") = "9"
    & skf18("10","4","5","1","5","10","1") = "9"
    & skf18("10","4","5","1","6","1","1") = "9"
    & skf18("10","4","5","1","6","2","1") = "9"
    & skf18("10","4","5","1","6","3","1") = "9"
    & skf18("10","4","5","1","6","4","1") = "9"
    & skf18("10","4","5","1","6","5","1") = "9"
    & skf18("10","4","5","1","6","6","1") = "9"
    & skf18("10","4","5","1","6","7","1") = "9"
    & skf18("10","4","5","1","6","8","1") = "9"
    & skf18("10","4","5","1","6","9","1") = "9"
    & skf18("10","4","5","1","6","10","1") = "9"
    & skf18("10","4","5","1","7","1","1") = "9"
    & skf18("10","4","5","1","7","2","1") = "9"
    & skf18("10","4","5","1","7","3","1") = "9"
    & skf18("10","4","5","1","7","4","1") = "9"
    & skf18("10","4","5","1","7","5","1") = "9"
    & skf18("10","4","5","1","7","6","1") = "9"
    & skf18("10","4","5","1","7","7","1") = "9"
    & skf18("10","4","5","1","7","8","1") = "9"
    & skf18("10","4","5","1","7","9","1") = "9"
    & skf18("10","4","5","1","7","10","1") = "9"
    & skf18("10","4","5","1","8","1","1") = "9"
    & skf18("10","4","5","1","8","2","1") = "9"
    & skf18("10","4","5","1","8","3","1") = "9"
    & skf18("10","4","5","1","8","4","1") = "9"
    & skf18("10","4","5","1","8","5","1") = "9"
    & skf18("10","4","5","1","8","6","1") = "9"
    & skf18("10","4","5","1","8","7","1") = "9"
    & skf18("10","4","5","1","8","8","1") = "9"
    & skf18("10","4","5","1","8","9","1") = "9"
    & skf18("10","4","5","1","8","10","1") = "9"
    & skf18("10","4","5","1","9","1","1") = "9"
    & skf18("10","4","5","1","9","2","1") = "9"
    & skf18("10","4","5","1","9","3","1") = "9"
    & skf18("10","4","5","1","9","4","1") = "9"
    & skf18("10","4","5","1","9","5","1") = "9"
    & skf18("10","4","5","1","9","6","1") = "9"
    & skf18("10","4","5","1","9","7","1") = "9"
    & skf18("10","4","5","1","9","8","1") = "9"
    & skf18("10","4","5","1","9","9","1") = "9"
    & skf18("10","4","5","1","9","10","1") = "9"
    & skf18("10","4","5","1","10","1","1") = "9"
    & skf18("10","4","5","1","10","2","1") = "9"
    & skf18("10","4","5","1","10","3","1") = "9"
    & skf18("10","4","5","1","10","4","1") = "9"
    & skf18("10","4","5","1","10","5","1") = "9"
    & skf18("10","4","5","1","10","6","1") = "9"
    & skf18("10","4","5","1","10","7","1") = "9"
    & skf18("10","4","5","1","10","8","1") = "9"
    & skf18("10","4","5","1","10","9","1") = "9"
    & skf18("10","4","5","1","10","10","1") = "9"
    & skf18("10","4","5","2","1","1","1") = "9"
    & skf18("10","4","5","2","1","2","1") = "9"
    & skf18("10","4","5","2","1","3","1") = "9"
    & skf18("10","4","5","2","1","4","1") = "9"
    & skf18("10","4","5","2","1","5","1") = "9"
    & skf18("10","4","5","2","1","6","1") = "9"
    & skf18("10","4","5","2","1","7","1") = "9"
    & skf18("10","4","5","2","1","8","1") = "9"
    & skf18("10","4","5","2","1","9","1") = "9"
    & skf18("10","4","5","2","1","10","1") = "9"
    & skf18("10","4","5","2","2","1","1") = "9"
    & skf18("10","4","5","2","2","2","1") = "9"
    & skf18("10","4","5","2","2","3","1") = "9"
    & skf18("10","4","5","2","2","4","1") = "9"
    & skf18("10","4","5","2","2","5","1") = "9"
    & skf18("10","4","5","2","2","6","1") = "9"
    & skf18("10","4","5","2","2","7","1") = "9"
    & skf18("10","4","5","2","2","8","1") = "9"
    & skf18("10","4","5","2","2","9","1") = "9"
    & skf18("10","4","5","2","2","10","1") = "9"
    & skf18("10","4","5","2","3","1","1") = "9"
    & skf18("10","4","5","2","3","2","1") = "9"
    & skf18("10","4","5","2","3","3","1") = "9"
    & skf18("10","4","5","2","3","4","1") = "9"
    & skf18("10","4","5","2","3","5","1") = "9"
    & skf18("10","4","5","2","3","6","1") = "9"
    & skf18("10","4","5","2","3","7","1") = "9"
    & skf18("10","4","5","2","3","8","1") = "9"
    & skf18("10","4","5","2","3","9","1") = "9"
    & skf18("10","4","5","2","3","10","1") = "9"
    & skf18("10","4","5","2","4","1","1") = "9"
    & skf18("10","4","5","2","4","2","1") = "9"
    & skf18("10","4","5","2","4","3","1") = "9"
    & skf18("10","4","5","2","4","4","1") = "9"
    & skf18("10","4","5","2","4","5","1") = "9"
    & skf18("10","4","5","2","4","6","1") = "9"
    & skf18("10","4","5","2","4","7","1") = "9"
    & skf18("10","4","5","2","4","8","1") = "9"
    & skf18("10","4","5","2","4","9","1") = "9"
    & skf18("10","4","5","2","4","10","1") = "9"
    & skf18("10","4","5","2","5","1","1") = "9"
    & skf18("10","4","5","2","5","2","1") = "9"
    & skf18("10","4","5","2","5","3","1") = "9"
    & skf18("10","4","5","2","5","4","1") = "9"
    & skf18("10","4","5","2","5","5","1") = "9"
    & skf18("10","4","5","2","5","6","1") = "9"
    & skf18("10","4","5","2","5","7","1") = "9"
    & skf18("10","4","5","2","5","8","1") = "9"
    & skf18("10","4","5","2","5","9","1") = "9"
    & skf18("10","4","5","2","5","10","1") = "9"
    & skf18("10","4","5","2","6","1","1") = "9"
    & skf18("10","4","5","2","6","2","1") = "9"
    & skf18("10","4","5","2","6","3","1") = "9"
    & skf18("10","4","5","2","6","4","1") = "9"
    & skf18("10","4","5","2","6","5","1") = "9"
    & skf18("10","4","5","2","6","6","1") = "9"
    & skf18("10","4","5","2","6","7","1") = "9"
    & skf18("10","4","5","2","6","8","1") = "9"
    & skf18("10","4","5","2","6","9","1") = "9"
    & skf18("10","4","5","2","6","10","1") = "9"
    & skf18("10","4","5","2","7","1","1") = "9"
    & skf18("10","4","5","2","7","2","1") = "9"
    & skf18("10","4","5","2","7","3","1") = "9"
    & skf18("10","4","5","2","7","4","1") = "9"
    & skf18("10","4","5","2","7","5","1") = "9"
    & skf18("10","4","5","2","7","6","1") = "9"
    & skf18("10","4","5","2","7","7","1") = "9"
    & skf18("10","4","5","2","7","8","1") = "9"
    & skf18("10","4","5","2","7","9","1") = "9"
    & skf18("10","4","5","2","7","10","1") = "9"
    & skf18("10","4","5","2","8","1","1") = "9"
    & skf18("10","4","5","2","8","2","1") = "9"
    & skf18("10","4","5","2","8","3","1") = "9"
    & skf18("10","4","5","2","8","4","1") = "9"
    & skf18("10","4","5","2","8","5","1") = "9"
    & skf18("10","4","5","2","8","6","1") = "9"
    & skf18("10","4","5","2","8","7","1") = "9"
    & skf18("10","4","5","2","8","8","1") = "9"
    & skf18("10","4","5","2","8","9","1") = "9"
    & skf18("10","4","5","2","8","10","1") = "9"
    & skf18("10","4","5","2","9","1","1") = "9"
    & skf18("10","4","5","2","9","2","1") = "9"
    & skf18("10","4","5","2","9","3","1") = "9"
    & skf18("10","4","5","2","9","4","1") = "9"
    & skf18("10","4","5","2","9","5","1") = "9"
    & skf18("10","4","5","2","9","6","1") = "9"
    & skf18("10","4","5","2","9","7","1") = "9"
    & skf18("10","4","5","2","9","8","1") = "9"
    & skf18("10","4","5","2","9","9","1") = "9"
    & skf18("10","4","5","2","9","10","1") = "9"
    & skf18("10","4","5","2","10","1","1") = "9"
    & skf18("10","4","5","2","10","2","1") = "9"
    & skf18("10","4","5","2","10","3","1") = "9"
    & skf18("10","4","5","2","10","4","1") = "9"
    & skf18("10","4","5","2","10","5","1") = "9"
    & skf18("10","4","5","2","10","6","1") = "9"
    & skf18("10","4","5","2","10","7","1") = "9"
    & skf18("10","4","5","2","10","8","1") = "9"
    & skf18("10","4","5","2","10","9","1") = "9"
    & skf18("10","4","5","2","10","10","1") = "9"
    & skf18("10","4","5","3","1","1","1") = "9"
    & skf18("10","4","5","3","1","2","1") = "9"
    & skf18("10","4","5","3","1","3","1") = "9"
    & skf18("10","4","5","3","1","4","1") = "9"
    & skf18("10","4","5","3","1","5","1") = "9"
    & skf18("10","4","5","3","1","6","1") = "9"
    & skf18("10","4","5","3","1","7","1") = "9"
    & skf18("10","4","5","3","1","8","1") = "9"
    & skf18("10","4","5","3","1","9","1") = "9"
    & skf18("10","4","5","3","1","10","1") = "9"
    & skf18("10","4","5","3","2","1","1") = "9"
    & skf18("10","4","5","3","2","2","1") = "9"
    & skf18("10","4","5","3","2","3","1") = "9"
    & skf18("10","4","5","3","2","4","1") = "9"
    & skf18("10","4","5","3","2","5","1") = "9"
    & skf18("10","4","5","3","2","6","1") = "9"
    & skf18("10","4","5","3","2","7","1") = "9"
    & skf18("10","4","5","3","2","8","1") = "9"
    & skf18("10","4","5","3","2","9","1") = "9"
    & skf18("10","4","5","3","2","10","1") = "9"
    & skf18("10","4","5","3","3","1","1") = "9"
    & skf18("10","4","5","3","3","2","1") = "9"
    & skf18("10","4","5","3","3","3","1") = "9"
    & skf18("10","4","5","3","3","4","1") = "9"
    & skf18("10","4","5","3","3","5","1") = "9"
    & skf18("10","4","5","3","3","6","1") = "9"
    & skf18("10","4","5","3","3","7","1") = "9"
    & skf18("10","4","5","3","3","8","1") = "9"
    & skf18("10","4","5","3","3","9","1") = "9"
    & skf18("10","4","5","3","3","10","1") = "9"
    & skf18("10","4","5","3","4","1","1") = "9"
    & skf18("10","4","5","3","4","2","1") = "9"
    & skf18("10","4","5","3","4","3","1") = "9"
    & skf18("10","4","5","3","4","4","1") = "9"
    & skf18("10","4","5","3","4","5","1") = "9"
    & skf18("10","4","5","3","4","6","1") = "9"
    & skf18("10","4","5","3","4","7","1") = "9"
    & skf18("10","4","5","3","4","8","1") = "9"
    & skf18("10","4","5","3","4","9","1") = "9"
    & skf18("10","4","5","3","4","10","1") = "9"
    & skf18("10","4","5","3","5","1","1") = "9"
    & skf18("10","4","5","3","5","2","1") = "9"
    & skf18("10","4","5","3","5","3","1") = "9"
    & skf18("10","4","5","3","5","4","1") = "9"
    & skf18("10","4","5","3","5","5","1") = "9"
    & skf18("10","4","5","3","5","6","1") = "9"
    & skf18("10","4","5","3","5","7","1") = "9"
    & skf18("10","4","5","3","5","8","1") = "9"
    & skf18("10","4","5","3","5","9","1") = "9"
    & skf18("10","4","5","3","5","10","1") = "9"
    & skf18("10","4","5","3","6","1","1") = "9"
    & skf18("10","4","5","3","6","2","1") = "9"
    & skf18("10","4","5","3","6","3","1") = "9"
    & skf18("10","4","5","3","6","4","1") = "9"
    & skf18("10","4","5","3","6","5","1") = "9"
    & skf18("10","4","5","3","6","6","1") = "9"
    & skf18("10","4","5","3","6","7","1") = "9"
    & skf18("10","4","5","3","6","8","1") = "9"
    & skf18("10","4","5","3","6","9","1") = "9"
    & skf18("10","4","5","3","6","10","1") = "9"
    & skf18("10","4","5","3","7","1","1") = "9"
    & skf18("10","4","5","3","7","2","1") = "9"
    & skf18("10","4","5","3","7","3","1") = "9"
    & skf18("10","4","5","3","7","4","1") = "9"
    & skf18("10","4","5","3","7","5","1") = "9"
    & skf18("10","4","5","3","7","6","1") = "9"
    & skf18("10","4","5","3","7","7","1") = "9"
    & skf18("10","4","5","3","7","8","1") = "9"
    & skf18("10","4","5","3","7","9","1") = "9"
    & skf18("10","4","5","3","7","10","1") = "9"
    & skf18("10","4","5","3","8","1","1") = "9"
    & skf18("10","4","5","3","8","2","1") = "9"
    & skf18("10","4","5","3","8","3","1") = "9"
    & skf18("10","4","5","3","8","4","1") = "9"
    & skf18("10","4","5","3","8","5","1") = "9"
    & skf18("10","4","5","3","8","6","1") = "9"
    & skf18("10","4","5","3","8","7","1") = "9"
    & skf18("10","4","5","3","8","8","1") = "9"
    & skf18("10","4","5","3","8","9","1") = "9"
    & skf18("10","4","5","3","8","10","1") = "9"
    & skf18("10","4","5","3","9","1","1") = "9"
    & skf18("10","4","5","3","9","2","1") = "9"
    & skf18("10","4","5","3","9","3","1") = "9"
    & skf18("10","4","5","3","9","4","1") = "9"
    & skf18("10","4","5","3","9","5","1") = "9"
    & skf18("10","4","5","3","9","6","1") = "9"
    & skf18("10","4","5","3","9","7","1") = "9"
    & skf18("10","4","5","3","9","8","1") = "9"
    & skf18("10","4","5","3","9","9","1") = "9"
    & skf18("10","4","5","3","9","10","1") = "9"
    & skf18("10","4","5","3","10","1","1") = "9"
    & skf18("10","4","5","3","10","2","1") = "9"
    & skf18("10","4","5","3","10","3","1") = "9"
    & skf18("10","4","5","3","10","4","1") = "9"
    & skf18("10","4","5","3","10","5","1") = "9"
    & skf18("10","4","5","3","10","6","1") = "9"
    & skf18("10","4","5","3","10","7","1") = "9"
    & skf18("10","4","5","3","10","8","1") = "9"
    & skf18("10","4","5","3","10","9","1") = "9"
    & skf18("10","4","5","3","10","10","1") = "9"
    & skf18("10","4","5","4","1","1","1") = "9"
    & skf18("10","4","5","4","1","2","1") = "9"
    & skf18("10","4","5","4","1","3","1") = "9"
    & skf18("10","4","5","4","1","4","1") = "9"
    & skf18("10","4","5","4","1","5","1") = "9"
    & skf18("10","4","5","4","1","6","1") = "9"
    & skf18("10","4","5","4","1","7","1") = "9"
    & skf18("10","4","5","4","1","8","1") = "9"
    & skf18("10","4","5","4","1","9","1") = "9"
    & skf18("10","4","5","4","1","10","1") = "9"
    & skf18("10","4","5","4","2","1","1") = "9"
    & skf18("10","4","5","4","2","2","1") = "9"
    & skf18("10","4","5","4","2","3","1") = "9"
    & skf18("10","4","5","4","2","4","1") = "9"
    & skf18("10","4","5","4","2","5","1") = "9"
    & skf18("10","4","5","4","2","6","1") = "9"
    & skf18("10","4","5","4","2","7","1") = "9"
    & skf18("10","4","5","4","2","8","1") = "9"
    & skf18("10","4","5","4","2","9","1") = "9"
    & skf18("10","4","5","4","2","10","1") = "9"
    & skf18("10","4","5","4","3","1","1") = "9"
    & skf18("10","4","5","4","3","2","1") = "9"
    & skf18("10","4","5","4","3","3","1") = "9"
    & skf18("10","4","5","4","3","4","1") = "9"
    & skf18("10","4","5","4","3","5","1") = "9"
    & skf18("10","4","5","4","3","6","1") = "9"
    & skf18("10","4","5","4","3","7","1") = "9"
    & skf18("10","4","5","4","3","8","1") = "9"
    & skf18("10","4","5","4","3","9","1") = "9"
    & skf18("10","4","5","4","3","10","1") = "9"
    & skf18("10","4","5","4","4","1","1") = "9"
    & skf18("10","4","5","4","4","2","1") = "9"
    & skf18("10","4","5","4","4","3","1") = "9"
    & skf18("10","4","5","4","4","4","1") = "9"
    & skf18("10","4","5","4","4","5","1") = "9"
    & skf18("10","4","5","4","4","6","1") = "9"
    & skf18("10","4","5","4","4","7","1") = "9"
    & skf18("10","4","5","4","4","8","1") = "9"
    & skf18("10","4","5","4","4","9","1") = "9"
    & skf18("10","4","5","4","4","10","1") = "9"
    & skf18("10","4","5","4","5","1","1") = "9"
    & skf18("10","4","5","4","5","2","1") = "9"
    & skf18("10","4","5","4","5","3","1") = "9"
    & skf18("10","4","5","4","5","4","1") = "9"
    & skf18("10","4","5","4","5","5","1") = "9"
    & skf18("10","4","5","4","5","6","1") = "9"
    & skf18("10","4","5","4","5","7","1") = "9"
    & skf18("10","4","5","4","5","8","1") = "9"
    & skf18("10","4","5","4","5","9","1") = "9"
    & skf18("10","4","5","4","5","10","1") = "9"
    & skf18("10","4","5","4","6","1","1") = "9"
    & skf18("10","4","5","4","6","2","1") = "9"
    & skf18("10","4","5","4","6","3","1") = "9"
    & skf18("10","4","5","4","6","4","1") = "9"
    & skf18("10","4","5","4","6","5","1") = "9"
    & skf18("10","4","5","4","6","6","1") = "9"
    & skf18("10","4","5","4","6","7","1") = "9"
    & skf18("10","4","5","4","6","8","1") = "9"
    & skf18("10","4","5","4","6","9","1") = "9"
    & skf18("10","4","5","4","6","10","1") = "9"
    & skf18("10","4","5","4","7","1","1") = "9"
    & skf18("10","4","5","4","7","2","1") = "9"
    & skf18("10","4","5","4","7","3","1") = "9"
    & skf18("10","4","5","4","7","4","1") = "9"
    & skf18("10","4","5","4","7","5","1") = "9"
    & skf18("10","4","5","4","7","6","1") = "9"
    & skf18("10","4","5","4","7","7","1") = "9"
    & skf18("10","4","5","4","7","8","1") = "9"
    & skf18("10","4","5","4","7","9","1") = "9"
    & skf18("10","4","5","4","7","10","1") = "9"
    & skf18("10","4","5","4","8","1","1") = "9"
    & skf18("10","4","5","4","8","2","1") = "9"
    & skf18("10","4","5","4","8","3","1") = "9"
    & skf18("10","4","5","4","8","4","1") = "9"
    & skf18("10","4","5","4","8","5","1") = "9"
    & skf18("10","4","5","4","8","6","1") = "9"
    & skf18("10","4","5","4","8","7","1") = "9"
    & skf18("10","4","5","4","8","8","1") = "9"
    & skf18("10","4","5","4","8","9","1") = "9"
    & skf18("10","4","5","4","8","10","1") = "9"
    & skf18("10","4","5","4","9","1","1") = "9"
    & skf18("10","4","5","4","9","2","1") = "9"
    & skf18("10","4","5","4","9","3","1") = "9"
    & skf18("10","4","5","4","9","4","1") = "9"
    & skf18("10","4","5","4","9","5","1") = "9"
    & skf18("10","4","5","4","9","6","1") = "9"
    & skf18("10","4","5","4","9","7","1") = "9"
    & skf18("10","4","5","4","9","8","1") = "9"
    & skf18("10","4","5","4","9","9","1") = "9"
    & skf18("10","4","5","4","9","10","1") = "9"
    & skf18("10","4","5","4","10","1","1") = "9"
    & skf18("10","4","5","4","10","2","1") = "9"
    & skf18("10","4","5","4","10","3","1") = "9"
    & skf18("10","4","5","4","10","4","1") = "9"
    & skf18("10","4","5","4","10","5","1") = "9"
    & skf18("10","4","5","4","10","6","1") = "9"
    & skf18("10","4","5","4","10","7","1") = "9"
    & skf18("10","4","5","4","10","8","1") = "9"
    & skf18("10","4","5","4","10","9","1") = "9"
    & skf18("10","4","5","4","10","10","1") = "9"
    & skf18("10","4","5","5","1","1","1") = "9"
    & skf18("10","4","5","5","1","2","1") = "9"
    & skf18("10","4","5","5","1","3","1") = "9"
    & skf18("10","4","5","5","1","4","1") = "9"
    & skf18("10","4","5","5","1","5","1") = "9"
    & skf18("10","4","5","5","1","6","1") = "9"
    & skf18("10","4","5","5","1","7","1") = "9"
    & skf18("10","4","5","5","1","8","1") = "9"
    & skf18("10","4","5","5","1","9","1") = "9"
    & skf18("10","4","5","5","1","10","1") = "9"
    & skf18("10","4","5","5","2","1","1") = "9"
    & skf18("10","4","5","5","2","2","1") = "9"
    & skf18("10","4","5","5","2","3","1") = "9"
    & skf18("10","4","5","5","2","4","1") = "9"
    & skf18("10","4","5","5","2","5","1") = "9"
    & skf18("10","4","5","5","2","6","1") = "9"
    & skf18("10","4","5","5","2","7","1") = "9"
    & skf18("10","4","5","5","2","8","1") = "9"
    & skf18("10","4","5","5","2","9","1") = "9"
    & skf18("10","4","5","5","2","10","1") = "9"
    & skf18("10","4","5","5","3","1","1") = "9"
    & skf18("10","4","5","5","3","2","1") = "9"
    & skf18("10","4","5","5","3","3","1") = "9"
    & skf18("10","4","5","5","3","4","1") = "9"
    & skf18("10","4","5","5","3","5","1") = "9"
    & skf18("10","4","5","5","3","6","1") = "9"
    & skf18("10","4","5","5","3","7","1") = "9"
    & skf18("10","4","5","5","3","8","1") = "9"
    & skf18("10","4","5","5","3","9","1") = "9"
    & skf18("10","4","5","5","3","10","1") = "9"
    & skf18("10","4","5","5","4","1","1") = "9"
    & skf18("10","4","5","5","4","2","1") = "9"
    & skf18("10","4","5","5","4","3","1") = "9"
    & skf18("10","4","5","5","4","4","1") = "9"
    & skf18("10","4","5","5","4","5","1") = "9"
    & skf18("10","4","5","5","4","6","1") = "9"
    & skf18("10","4","5","5","4","7","1") = "9"
    & skf18("10","4","5","5","4","8","1") = "9"
    & skf18("10","4","5","5","4","9","1") = "9"
    & skf18("10","4","5","5","4","10","1") = "9"
    & skf18("10","4","5","5","5","1","1") = "9"
    & skf18("10","4","5","5","5","2","1") = "9"
    & skf18("10","4","5","5","5","3","1") = "9"
    & skf18("10","4","5","5","5","4","1") = "9"
    & skf18("10","4","5","5","5","5","1") = "9"
    & skf18("10","4","5","5","5","6","1") = "9"
    & skf18("10","4","5","5","5","7","1") = "9"
    & skf18("10","4","5","5","5","8","1") = "9"
    & skf18("10","4","5","5","5","9","1") = "9"
    & skf18("10","4","5","5","5","10","1") = "9"
    & skf18("10","4","5","5","6","1","1") = "9"
    & skf18("10","4","5","5","6","2","1") = "9"
    & skf18("10","4","5","5","6","3","1") = "9"
    & skf18("10","4","5","5","6","4","1") = "9"
    & skf18("10","4","5","5","6","5","1") = "9"
    & skf18("10","4","5","5","6","6","1") = "9"
    & skf18("10","4","5","5","6","7","1") = "9"
    & skf18("10","4","5","5","6","8","1") = "9"
    & skf18("10","4","5","5","6","9","1") = "9"
    & skf18("10","4","5","5","6","10","1") = "9"
    & skf18("10","4","5","5","7","1","1") = "9"
    & skf18("10","4","5","5","7","2","1") = "9"
    & skf18("10","4","5","5","7","3","1") = "9"
    & skf18("10","4","5","5","7","4","1") = "9"
    & skf18("10","4","5","5","7","5","1") = "9"
    & skf18("10","4","5","5","7","6","1") = "9"
    & skf18("10","4","5","5","7","7","1") = "9"
    & skf18("10","4","5","5","7","8","1") = "9"
    & skf18("10","4","5","5","7","9","1") = "9"
    & skf18("10","4","5","5","7","10","1") = "9"
    & skf18("10","4","5","5","8","1","1") = "9"
    & skf18("10","4","5","5","8","2","1") = "9"
    & skf18("10","4","5","5","8","3","1") = "9"
    & skf18("10","4","5","5","8","4","1") = "9"
    & skf18("10","4","5","5","8","5","1") = "9"
    & skf18("10","4","5","5","8","6","1") = "9"
    & skf18("10","4","5","5","8","7","1") = "9"
    & skf18("10","4","5","5","8","8","1") = "9"
    & skf18("10","4","5","5","8","9","1") = "9"
    & skf18("10","4","5","5","8","10","1") = "9"
    & skf18("10","4","5","5","9","1","1") = "9"
    & skf18("10","4","5","5","9","2","1") = "9"
    & skf18("10","4","5","5","9","3","1") = "9"
    & skf18("10","4","5","5","9","4","1") = "9"
    & skf18("10","4","5","5","9","5","1") = "9"
    & skf18("10","4","5","5","9","6","1") = "9"
    & skf18("10","4","5","5","9","7","1") = "9"
    & skf18("10","4","5","5","9","8","1") = "9"
    & skf18("10","4","5","5","9","9","1") = "9"
    & skf18("10","4","5","5","9","10","1") = "9"
    & skf18("10","4","5","5","10","1","1") = "9"
    & skf18("10","4","5","5","10","2","1") = "9"
    & skf18("10","4","5","5","10","3","1") = "9"
    & skf18("10","4","5","5","10","4","1") = "9"
    & skf18("10","4","5","5","10","5","1") = "9"
    & skf18("10","4","5","5","10","6","1") = "9"
    & skf18("10","4","5","5","10","7","1") = "9"
    & skf18("10","4","5","5","10","8","1") = "9"
    & skf18("10","4","5","5","10","9","1") = "9"
    & skf18("10","4","5","5","10","10","1") = "9"
    & skf18("10","4","5","6","1","1","1") = "9"
    & skf18("10","4","5","6","1","2","1") = "9"
    & skf18("10","4","5","6","1","3","1") = "9"
    & skf18("10","4","5","6","1","4","1") = "9"
    & skf18("10","4","5","6","1","5","1") = "9"
    & skf18("10","4","5","6","1","6","1") = "9"
    & skf18("10","4","5","6","1","7","1") = "9"
    & skf18("10","4","5","6","1","8","1") = "9"
    & skf18("10","4","5","6","1","9","1") = "9"
    & skf18("10","4","5","6","1","10","1") = "9"
    & skf18("10","4","5","6","2","1","1") = "9"
    & skf18("10","4","5","6","2","2","1") = "9"
    & skf18("10","4","5","6","2","3","1") = "9"
    & skf18("10","4","5","6","2","4","1") = "9"
    & skf18("10","4","5","6","2","5","1") = "9"
    & skf18("10","4","5","6","2","6","1") = "9"
    & skf18("10","4","5","6","2","7","1") = "9"
    & skf18("10","4","5","6","2","8","1") = "9"
    & skf18("10","4","5","6","2","9","1") = "9"
    & skf18("10","4","5","6","2","10","1") = "9"
    & skf18("10","4","5","6","3","1","1") = "9"
    & skf18("10","4","5","6","3","2","1") = "9"
    & skf18("10","4","5","6","3","3","1") = "9"
    & skf18("10","4","5","6","3","4","1") = "9"
    & skf18("10","4","5","6","3","5","1") = "9"
    & skf18("10","4","5","6","3","6","1") = "9"
    & skf18("10","4","5","6","3","7","1") = "9"
    & skf18("10","4","5","6","3","8","1") = "9"
    & skf18("10","4","5","6","3","9","1") = "9"
    & skf18("10","4","5","6","3","10","1") = "9"
    & skf18("10","4","5","6","4","1","1") = "9"
    & skf18("10","4","5","6","4","2","1") = "9"
    & skf18("10","4","5","6","4","3","1") = "9"
    & skf18("10","4","5","6","4","4","1") = "9"
    & skf18("10","4","5","6","4","5","1") = "9"
    & skf18("10","4","5","6","4","6","1") = "9"
    & skf18("10","4","5","6","4","7","1") = "9"
    & skf18("10","4","5","6","4","8","1") = "9"
    & skf18("10","4","5","6","4","9","1") = "9"
    & skf18("10","4","5","6","4","10","1") = "9"
    & skf18("10","4","5","6","5","1","1") = "9"
    & skf18("10","4","5","6","5","2","1") = "9"
    & skf18("10","4","5","6","5","3","1") = "9"
    & skf18("10","4","5","6","5","4","1") = "9"
    & skf18("10","4","5","6","5","5","1") = "9"
    & skf18("10","4","5","6","5","6","1") = "9"
    & skf18("10","4","5","6","5","7","1") = "9"
    & skf18("10","4","5","6","5","8","1") = "9"
    & skf18("10","4","5","6","5","9","1") = "9"
    & skf18("10","4","5","6","5","10","1") = "9"
    & skf18("10","4","5","6","6","1","1") = "9"
    & skf18("10","4","5","6","6","2","1") = "9"
    & skf18("10","4","5","6","6","3","1") = "9"
    & skf18("10","4","5","6","6","4","1") = "9"
    & skf18("10","4","5","6","6","5","1") = "9"
    & skf18("10","4","5","6","6","6","1") = "9"
    & skf18("10","4","5","6","6","7","1") = "9"
    & skf18("10","4","5","6","6","8","1") = "9"
    & skf18("10","4","5","6","6","9","1") = "9"
    & skf18("10","4","5","6","6","10","1") = "9"
    & skf18("10","4","5","6","7","1","1") = "9"
    & skf18("10","4","5","6","7","2","1") = "9"
    & skf18("10","4","5","6","7","3","1") = "9"
    & skf18("10","4","5","6","7","4","1") = "9"
    & skf18("10","4","5","6","7","5","1") = "9"
    & skf18("10","4","5","6","7","6","1") = "9"
    & skf18("10","4","5","6","7","7","1") = "9"
    & skf18("10","4","5","6","7","8","1") = "9"
    & skf18("10","4","5","6","7","9","1") = "9"
    & skf18("10","4","5","6","7","10","1") = "9"
    & skf18("10","4","5","6","8","1","1") = "9"
    & skf18("10","4","5","6","8","2","1") = "9"
    & skf18("10","4","5","6","8","3","1") = "9"
    & skf18("10","4","5","6","8","4","1") = "9"
    & skf18("10","4","5","6","8","5","1") = "9"
    & skf18("10","4","5","6","8","6","1") = "9"
    & skf18("10","4","5","6","8","7","1") = "9"
    & skf18("10","4","5","6","8","8","1") = "9"
    & skf18("10","4","5","6","8","9","1") = "9"
    & skf18("10","4","5","6","8","10","1") = "9"
    & skf18("10","4","5","6","9","1","1") = "9"
    & skf18("10","4","5","6","9","2","1") = "9"
    & skf18("10","4","5","6","9","3","1") = "9"
    & skf18("10","4","5","6","9","4","1") = "9"
    & skf18("10","4","5","6","9","5","1") = "9"
    & skf18("10","4","5","6","9","6","1") = "9"
    & skf18("10","4","5","6","9","7","1") = "9"
    & skf18("10","4","5","6","9","8","1") = "9"
    & skf18("10","4","5","6","9","9","1") = "9"
    & skf18("10","4","5","6","9","10","1") = "9"
    & skf18("10","4","5","6","10","1","1") = "9"
    & skf18("10","4","5","6","10","2","1") = "9"
    & skf18("10","4","5","6","10","3","1") = "9"
    & skf18("10","4","5","6","10","4","1") = "9"
    & skf18("10","4","5","6","10","5","1") = "9"
    & skf18("10","4","5","6","10","6","1") = "9"
    & skf18("10","4","5","6","10","7","1") = "9"
    & skf18("10","4","5","6","10","8","1") = "9"
    & skf18("10","4","5","6","10","9","1") = "9"
    & skf18("10","4","5","6","10","10","1") = "9"
    & skf18("10","4","5","7","1","1","1") = "9"
    & skf18("10","4","5","7","1","2","1") = "9"
    & skf18("10","4","5","7","1","3","1") = "9"
    & skf18("10","4","5","7","1","4","1") = "9"
    & skf18("10","4","5","7","1","5","1") = "9"
    & skf18("10","4","5","7","1","6","1") = "9"
    & skf18("10","4","5","7","1","7","1") = "9"
    & skf18("10","4","5","7","1","8","1") = "9"
    & skf18("10","4","5","7","1","9","1") = "9"
    & skf18("10","4","5","7","1","10","1") = "9"
    & skf18("10","4","5","7","2","1","1") = "9"
    & skf18("10","4","5","7","2","2","1") = "9"
    & skf18("10","4","5","7","2","3","1") = "9"
    & skf18("10","4","5","7","2","4","1") = "9"
    & skf18("10","4","5","7","2","5","1") = "9"
    & skf18("10","4","5","7","2","6","1") = "9"
    & skf18("10","4","5","7","2","7","1") = "9"
    & skf18("10","4","5","7","2","8","1") = "9"
    & skf18("10","4","5","7","2","9","1") = "9"
    & skf18("10","4","5","7","2","10","1") = "9"
    & skf18("10","4","5","7","3","1","1") = "9"
    & skf18("10","4","5","7","3","2","1") = "9"
    & skf18("10","4","5","7","3","3","1") = "9"
    & skf18("10","4","5","7","3","4","1") = "9"
    & skf18("10","4","5","7","3","5","1") = "9"
    & skf18("10","4","5","7","3","6","1") = "9"
    & skf18("10","4","5","7","3","7","1") = "9"
    & skf18("10","4","5","7","3","8","1") = "9"
    & skf18("10","4","5","7","3","9","1") = "9"
    & skf18("10","4","5","7","3","10","1") = "9"
    & skf18("10","4","5","7","4","1","1") = "9"
    & skf18("10","4","5","7","4","2","1") = "9"
    & skf18("10","4","5","7","4","3","1") = "9"
    & skf18("10","4","5","7","4","4","1") = "9"
    & skf18("10","4","5","7","4","5","1") = "9"
    & skf18("10","4","5","7","4","6","1") = "9"
    & skf18("10","4","5","7","4","7","1") = "9"
    & skf18("10","4","5","7","4","8","1") = "9"
    & skf18("10","4","5","7","4","9","1") = "9"
    & skf18("10","4","5","7","4","10","1") = "9"
    & skf18("10","4","5","7","5","1","1") = "9"
    & skf18("10","4","5","7","5","2","1") = "9"
    & skf18("10","4","5","7","5","3","1") = "9"
    & skf18("10","4","5","7","5","4","1") = "9"
    & skf18("10","4","5","7","5","5","1") = "9"
    & skf18("10","4","5","7","5","6","1") = "9"
    & skf18("10","4","5","7","5","7","1") = "9"
    & skf18("10","4","5","7","5","8","1") = "9"
    & skf18("10","4","5","7","5","9","1") = "9"
    & skf18("10","4","5","7","5","10","1") = "9"
    & skf18("10","4","5","7","6","1","1") = "9"
    & skf18("10","4","5","7","6","2","1") = "9"
    & skf18("10","4","5","7","6","3","1") = "9"
    & skf18("10","4","5","7","6","4","1") = "9"
    & skf18("10","4","5","7","6","5","1") = "9"
    & skf18("10","4","5","7","6","6","1") = "9"
    & skf18("10","4","5","7","6","7","1") = "9"
    & skf18("10","4","5","7","6","8","1") = "9"
    & skf18("10","4","5","7","6","9","1") = "9"
    & skf18("10","4","5","7","6","10","1") = "9"
    & skf18("10","4","5","7","7","1","1") = "9"
    & skf18("10","4","5","7","7","2","1") = "9"
    & skf18("10","4","5","7","7","3","1") = "9"
    & skf18("10","4","5","7","7","4","1") = "9"
    & skf18("10","4","5","7","7","5","1") = "9"
    & skf18("10","4","5","7","7","6","1") = "9"
    & skf18("10","4","5","7","7","7","1") = "9"
    & skf18("10","4","5","7","7","8","1") = "9"
    & skf18("10","4","5","7","7","9","1") = "9"
    & skf18("10","4","5","7","7","10","1") = "9"
    & skf18("10","4","5","7","8","1","1") = "9"
    & skf18("10","4","5","7","8","2","1") = "9"
    & skf18("10","4","5","7","8","3","1") = "9"
    & skf18("10","4","5","7","8","4","1") = "9"
    & skf18("10","4","5","7","8","5","1") = "9"
    & skf18("10","4","5","7","8","6","1") = "9"
    & skf18("10","4","5","7","8","7","1") = "9"
    & skf18("10","4","5","7","8","8","1") = "9"
    & skf18("10","4","5","7","8","9","1") = "9"
    & skf18("10","4","5","7","8","10","1") = "9"
    & skf18("10","4","5","7","9","1","1") = "9"
    & skf18("10","4","5","7","9","2","1") = "9"
    & skf18("10","4","5","7","9","3","1") = "9"
    & skf18("10","4","5","7","9","4","1") = "9"
    & skf18("10","4","5","7","9","5","1") = "9"
    & skf18("10","4","5","7","9","6","1") = "9"
    & skf18("10","4","5","7","9","7","1") = "9"
    & skf18("10","4","5","7","9","8","1") = "9"
    & skf18("10","4","5","7","9","9","1") = "9"
    & skf18("10","4","5","7","9","10","1") = "9"
    & skf18("10","4","5","7","10","1","1") = "9"
    & skf18("10","4","5","7","10","2","1") = "9"
    & skf18("10","4","5","7","10","3","1") = "9"
    & skf18("10","4","5","7","10","4","1") = "9"
    & skf18("10","4","5","7","10","5","1") = "9"
    & skf18("10","4","5","7","10","6","1") = "9"
    & skf18("10","4","5","7","10","7","1") = "9"
    & skf18("10","4","5","7","10","8","1") = "9"
    & skf18("10","4","5","7","10","9","1") = "9"
    & skf18("10","4","5","7","10","10","1") = "9"
    & skf18("10","4","5","8","1","1","1") = "9"
    & skf18("10","4","5","8","1","2","1") = "9"
    & skf18("10","4","5","8","1","3","1") = "9"
    & skf18("10","4","5","8","1","4","1") = "9"
    & skf18("10","4","5","8","1","5","1") = "9"
    & skf18("10","4","5","8","1","6","1") = "9"
    & skf18("10","4","5","8","1","7","1") = "9"
    & skf18("10","4","5","8","1","8","1") = "9"
    & skf18("10","4","5","8","1","9","1") = "9"
    & skf18("10","4","5","8","1","10","1") = "9"
    & skf18("10","4","5","8","2","1","1") = "9"
    & skf18("10","4","5","8","2","2","1") = "9"
    & skf18("10","4","5","8","2","3","1") = "9"
    & skf18("10","4","5","8","2","4","1") = "9"
    & skf18("10","4","5","8","2","5","1") = "9"
    & skf18("10","4","5","8","2","6","1") = "9"
    & skf18("10","4","5","8","2","7","1") = "9"
    & skf18("10","4","5","8","2","8","1") = "9"
    & skf18("10","4","5","8","2","9","1") = "9"
    & skf18("10","4","5","8","2","10","1") = "9"
    & skf18("10","4","5","8","3","1","1") = "9"
    & skf18("10","4","5","8","3","2","1") = "9"
    & skf18("10","4","5","8","3","3","1") = "9"
    & skf18("10","4","5","8","3","4","1") = "9"
    & skf18("10","4","5","8","3","5","1") = "9"
    & skf18("10","4","5","8","3","6","1") = "9"
    & skf18("10","4","5","8","3","7","1") = "9"
    & skf18("10","4","5","8","3","8","1") = "9"
    & skf18("10","4","5","8","3","9","1") = "9"
    & skf18("10","4","5","8","3","10","1") = "9"
    & skf18("10","4","5","8","4","1","1") = "9"
    & skf18("10","4","5","8","4","2","1") = "9"
    & skf18("10","4","5","8","4","3","1") = "9"
    & skf18("10","4","5","8","4","4","1") = "9"
    & skf18("10","4","5","8","4","5","1") = "9"
    & skf18("10","4","5","8","4","6","1") = "9"
    & skf18("10","4","5","8","4","7","1") = "9"
    & skf18("10","4","5","8","4","8","1") = "9"
    & skf18("10","4","5","8","4","9","1") = "9"
    & skf18("10","4","5","8","4","10","1") = "9"
    & skf18("10","4","5","8","5","1","1") = "9"
    & skf18("10","4","5","8","5","2","1") = "9"
    & skf18("10","4","5","8","5","3","1") = "9"
    & skf18("10","4","5","8","5","4","1") = "9"
    & skf18("10","4","5","8","5","5","1") = "9"
    & skf18("10","4","5","8","5","6","1") = "9"
    & skf18("10","4","5","8","5","7","1") = "9"
    & skf18("10","4","5","8","5","8","1") = "9"
    & skf18("10","4","5","8","5","9","1") = "9"
    & skf18("10","4","5","8","5","10","1") = "9"
    & skf18("10","4","5","8","6","1","1") = "9"
    & skf18("10","4","5","8","6","2","1") = "9"
    & skf18("10","4","5","8","6","3","1") = "9"
    & skf18("10","4","5","8","6","4","1") = "9"
    & skf18("10","4","5","8","6","5","1") = "9"
    & skf18("10","4","5","8","6","6","1") = "9"
    & skf18("10","4","5","8","6","7","1") = "9"
    & skf18("10","4","5","8","6","8","1") = "9"
    & skf18("10","4","5","8","6","9","1") = "9"
    & skf18("10","4","5","8","6","10","1") = "9"
    & skf18("10","4","5","8","7","1","1") = "9"
    & skf18("10","4","5","8","7","2","1") = "9"
    & skf18("10","4","5","8","7","3","1") = "9"
    & skf18("10","4","5","8","7","4","1") = "9"
    & skf18("10","4","5","8","7","5","1") = "9"
    & skf18("10","4","5","8","7","6","1") = "9"
    & skf18("10","4","5","8","7","7","1") = "9"
    & skf18("10","4","5","8","7","8","1") = "9"
    & skf18("10","4","5","8","7","9","1") = "9"
    & skf18("10","4","5","8","7","10","1") = "9"
    & skf18("10","4","5","8","8","1","1") = "9"
    & skf18("10","4","5","8","8","2","1") = "9"
    & skf18("10","4","5","8","8","3","1") = "9"
    & skf18("10","4","5","8","8","4","1") = "9"
    & skf18("10","4","5","8","8","5","1") = "9"
    & skf18("10","4","5","8","8","6","1") = "9"
    & skf18("10","4","5","8","8","7","1") = "9"
    & skf18("10","4","5","8","8","8","1") = "9"
    & skf18("10","4","5","8","8","9","1") = "9"
    & skf18("10","4","5","8","8","10","1") = "9"
    & skf18("10","4","5","8","9","1","1") = "9"
    & skf18("10","4","5","8","9","2","1") = "9"
    & skf18("10","4","5","8","9","3","1") = "9"
    & skf18("10","4","5","8","9","4","1") = "9"
    & skf18("10","4","5","8","9","5","1") = "9"
    & skf18("10","4","5","8","9","6","1") = "9"
    & skf18("10","4","5","8","9","7","1") = "9"
    & skf18("10","4","5","8","9","8","1") = "9"
    & skf18("10","4","5","8","9","9","1") = "9"
    & skf18("10","4","5","8","9","10","1") = "9"
    & skf18("10","4","5","8","10","1","1") = "9"
    & skf18("10","4","5","8","10","2","1") = "9"
    & skf18("10","4","5","8","10","3","1") = "9"
    & skf18("10","4","5","8","10","4","1") = "9"
    & skf18("10","4","5","8","10","5","1") = "9"
    & skf18("10","4","5","8","10","6","1") = "9"
    & skf18("10","4","5","8","10","7","1") = "9"
    & skf18("10","4","5","8","10","8","1") = "9"
    & skf18("10","4","5","8","10","9","1") = "9"
    & skf18("10","4","5","8","10","10","1") = "9"
    & skf18("10","4","5","9","1","1","1") = "9"
    & skf18("10","4","5","9","1","2","1") = "9"
    & skf18("10","4","5","9","1","3","1") = "9"
    & skf18("10","4","5","9","1","4","1") = "9"
    & skf18("10","4","5","9","1","5","1") = "9"
    & skf18("10","4","5","9","1","6","1") = "9"
    & skf18("10","4","5","9","1","7","1") = "9"
    & skf18("10","4","5","9","1","8","1") = "9"
    & skf18("10","4","5","9","1","9","1") = "9"
    & skf18("10","4","5","9","1","10","1") = "9"
    & skf18("10","4","5","9","2","1","1") = "9"
    & skf18("10","4","5","9","2","2","1") = "9"
    & skf18("10","4","5","9","2","3","1") = "9"
    & skf18("10","4","5","9","2","4","1") = "9"
    & skf18("10","4","5","9","2","5","1") = "9"
    & skf18("10","4","5","9","2","6","1") = "9"
    & skf18("10","4","5","9","2","7","1") = "9"
    & skf18("10","4","5","9","2","8","1") = "9"
    & skf18("10","4","5","9","2","9","1") = "9"
    & skf18("10","4","5","9","2","10","1") = "9"
    & skf18("10","4","5","9","3","1","1") = "9"
    & skf18("10","4","5","9","3","2","1") = "9"
    & skf18("10","4","5","9","3","3","1") = "9"
    & skf18("10","4","5","9","3","4","1") = "9"
    & skf18("10","4","5","9","3","5","1") = "9"
    & skf18("10","4","5","9","3","6","1") = "9"
    & skf18("10","4","5","9","3","7","1") = "9"
    & skf18("10","4","5","9","3","8","1") = "9"
    & skf18("10","4","5","9","3","9","1") = "9"
    & skf18("10","4","5","9","3","10","1") = "9"
    & skf18("10","4","5","9","4","1","1") = "9"
    & skf18("10","4","5","9","4","2","1") = "9"
    & skf18("10","4","5","9","4","3","1") = "9"
    & skf18("10","4","5","9","4","4","1") = "9"
    & skf18("10","4","5","9","4","5","1") = "9"
    & skf18("10","4","5","9","4","6","1") = "9"
    & skf18("10","4","5","9","4","7","1") = "9"
    & skf18("10","4","5","9","4","8","1") = "9"
    & skf18("10","4","5","9","4","9","1") = "9"
    & skf18("10","4","5","9","4","10","1") = "9"
    & skf18("10","4","5","9","5","1","1") = "9"
    & skf18("10","4","5","9","5","2","1") = "9"
    & skf18("10","4","5","9","5","3","1") = "9"
    & skf18("10","4","5","9","5","4","1") = "9"
    & skf18("10","4","5","9","5","5","1") = "9"
    & skf18("10","4","5","9","5","6","1") = "9"
    & skf18("10","4","5","9","5","7","1") = "9"
    & skf18("10","4","5","9","5","8","1") = "9"
    & skf18("10","4","5","9","5","9","1") = "9"
    & skf18("10","4","5","9","5","10","1") = "9"
    & skf18("10","4","5","9","6","1","1") = "9"
    & skf18("10","4","5","9","6","2","1") = "9"
    & skf18("10","4","5","9","6","3","1") = "9"
    & skf18("10","4","5","9","6","4","1") = "9"
    & skf18("10","4","5","9","6","5","1") = "9"
    & skf18("10","4","5","9","6","6","1") = "9"
    & skf18("10","4","5","9","6","7","1") = "9"
    & skf18("10","4","5","9","6","8","1") = "9"
    & skf18("10","4","5","9","6","9","1") = "9"
    & skf18("10","4","5","9","6","10","1") = "9"
    & skf18("10","4","5","9","7","1","1") = "9"
    & skf18("10","4","5","9","7","2","1") = "9"
    & skf18("10","4","5","9","7","3","1") = "9"
    & skf18("10","4","5","9","7","4","1") = "9"
    & skf18("10","4","5","9","7","5","1") = "9"
    & skf18("10","4","5","9","7","6","1") = "9"
    & skf18("10","4","5","9","7","7","1") = "9"
    & skf18("10","4","5","9","7","8","1") = "9"
    & skf18("10","4","5","9","7","9","1") = "9"
    & skf18("10","4","5","9","7","10","1") = "9"
    & skf18("10","4","5","9","8","1","1") = "9"
    & skf18("10","4","5","9","8","2","1") = "9"
    & skf18("10","4","5","9","8","3","1") = "9"
    & skf18("10","4","5","9","8","4","1") = "9"
    & skf18("10","4","5","9","8","5","1") = "9"
    & skf18("10","4","5","9","8","6","1") = "9"
    & skf18("10","4","5","9","8","7","1") = "9"
    & skf18("10","4","5","9","8","8","1") = "9"
    & skf18("10","4","5","9","8","9","1") = "9"
    & skf18("10","4","5","9","8","10","1") = "9"
    & skf18("10","4","5","9","9","1","1") = "9"
    & skf18("10","4","5","9","9","2","1") = "9"
    & skf18("10","4","5","9","9","3","1") = "9"
    & skf18("10","4","5","9","9","4","1") = "9"
    & skf18("10","4","5","9","9","5","1") = "9"
    & skf18("10","4","5","9","9","6","1") = "9"
    & skf18("10","4","5","9","9","7","1") = "9"
    & skf18("10","4","5","9","9","8","1") = "9"
    & skf18("10","4","5","9","9","9","1") = "9"
    & skf18("10","4","5","9","9","10","1") = "9"
    & skf18("10","4","5","9","10","1","1") = "9"
    & skf18("10","4","5","9","10","2","1") = "9"
    & skf18("10","4","5","9","10","3","1") = "9"
    & skf18("10","4","5","9","10","4","1") = "9"
    & skf18("10","4","5","9","10","5","1") = "9"
    & skf18("10","4","5","9","10","6","1") = "9"
    & skf18("10","4","5","9","10","7","1") = "9"
    & skf18("10","4","5","9","10","8","1") = "9"
    & skf18("10","4","5","9","10","9","1") = "9"
    & skf18("10","4","5","9","10","10","1") = "9"
    & skf18("10","4","5","10","1","1","1") = "9"
    & skf18("10","4","5","10","1","2","1") = "9"
    & skf18("10","4","5","10","1","3","1") = "9"
    & skf18("10","4","5","10","1","4","1") = "9"
    & skf18("10","4","5","10","1","5","1") = "9"
    & skf18("10","4","5","10","1","6","1") = "9"
    & skf18("10","4","5","10","1","7","1") = "9"
    & skf18("10","4","5","10","1","8","1") = "9"
    & skf18("10","4","5","10","1","9","1") = "9"
    & skf18("10","4","5","10","1","10","1") = "9"
    & skf18("10","4","5","10","2","1","1") = "9"
    & skf18("10","4","5","10","2","2","1") = "9"
    & skf18("10","4","5","10","2","3","1") = "9"
    & skf18("10","4","5","10","2","4","1") = "9"
    & skf18("10","4","5","10","2","5","1") = "9"
    & skf18("10","4","5","10","2","6","1") = "9"
    & skf18("10","4","5","10","2","7","1") = "9"
    & skf18("10","4","5","10","2","8","1") = "9"
    & skf18("10","4","5","10","2","9","1") = "9"
    & skf18("10","4","5","10","2","10","1") = "9"
    & skf18("10","4","5","10","3","1","1") = "9"
    & skf18("10","4","5","10","3","2","1") = "9"
    & skf18("10","4","5","10","3","3","1") = "9"
    & skf18("10","4","5","10","3","4","1") = "9"
    & skf18("10","4","5","10","3","5","1") = "9"
    & skf18("10","4","5","10","3","6","1") = "9"
    & skf18("10","4","5","10","3","7","1") = "9"
    & skf18("10","4","5","10","3","8","1") = "9"
    & skf18("10","4","5","10","3","9","1") = "9"
    & skf18("10","4","5","10","3","10","1") = "9"
    & skf18("10","4","5","10","4","1","1") = "9"
    & skf18("10","4","5","10","4","2","1") = "9"
    & skf18("10","4","5","10","4","3","1") = "9"
    & skf18("10","4","5","10","4","4","1") = "9"
    & skf18("10","4","5","10","4","5","1") = "9"
    & skf18("10","4","5","10","4","6","1") = "9"
    & skf18("10","4","5","10","4","7","1") = "9"
    & skf18("10","4","5","10","4","8","1") = "9"
    & skf18("10","4","5","10","4","9","1") = "9"
    & skf18("10","4","5","10","4","10","1") = "9"
    & skf18("10","4","5","10","5","1","1") = "9"
    & skf18("10","4","5","10","5","2","1") = "9"
    & skf18("10","4","5","10","5","3","1") = "9"
    & skf18("10","4","5","10","5","4","1") = "9"
    & skf18("10","4","5","10","5","5","1") = "9"
    & skf18("10","4","5","10","5","6","1") = "9"
    & skf18("10","4","5","10","5","7","1") = "9"
    & skf18("10","4","5","10","5","8","1") = "9"
    & skf18("10","4","5","10","5","9","1") = "9"
    & skf18("10","4","5","10","5","10","1") = "9"
    & skf18("10","4","5","10","6","1","1") = "9"
    & skf18("10","4","5","10","6","2","1") = "9"
    & skf18("10","4","5","10","6","3","1") = "9"
    & skf18("10","4","5","10","6","4","1") = "9"
    & skf18("10","4","5","10","6","5","1") = "9"
    & skf18("10","4","5","10","6","6","1") = "9"
    & skf18("10","4","5","10","6","7","1") = "9"
    & skf18("10","4","5","10","6","8","1") = "9"
    & skf18("10","4","5","10","6","9","1") = "9"
    & skf18("10","4","5","10","6","10","1") = "9"
    & skf18("10","4","5","10","7","1","1") = "9"
    & skf18("10","4","5","10","7","2","1") = "9"
    & skf18("10","4","5","10","7","3","1") = "9"
    & skf18("10","4","5","10","7","4","1") = "9"
    & skf18("10","4","5","10","7","5","1") = "9"
    & skf18("10","4","5","10","7","6","1") = "9"
    & skf18("10","4","5","10","7","7","1") = "9"
    & skf18("10","4","5","10","7","8","1") = "9"
    & skf18("10","4","5","10","7","9","1") = "9"
    & skf18("10","4","5","10","7","10","1") = "9"
    & skf18("10","4","5","10","8","1","1") = "9"
    & skf18("10","4","5","10","8","2","1") = "9"
    & skf18("10","4","5","10","8","3","1") = "9"
    & skf18("10","4","5","10","8","4","1") = "9"
    & skf18("10","4","5","10","8","5","1") = "9"
    & skf18("10","4","5","10","8","6","1") = "9"
    & skf18("10","4","5","10","8","7","1") = "9"
    & skf18("10","4","5","10","8","8","1") = "9"
    & skf18("10","4","5","10","8","9","1") = "9"
    & skf18("10","4","5","10","8","10","1") = "9"
    & skf18("10","4","5","10","9","1","1") = "9"
    & skf18("10","4","5","10","9","2","1") = "9"
    & skf18("10","4","5","10","9","3","1") = "9"
    & skf18("10","4","5","10","9","4","1") = "9"
    & skf18("10","4","5","10","9","5","1") = "9"
    & skf18("10","4","5","10","9","6","1") = "9"
    & skf18("10","4","5","10","9","7","1") = "9"
    & skf18("10","4","5","10","9","8","1") = "9"
    & skf18("10","4","5","10","9","9","1") = "9"
    & skf18("10","4","5","10","9","10","1") = "9"
    & skf18("10","4","5","10","10","1","1") = "9"
    & skf18("10","4","5","10","10","2","1") = "9"
    & skf18("10","4","5","10","10","3","1") = "9"
    & skf18("10","4","5","10","10","4","1") = "9"
    & skf18("10","4","5","10","10","5","1") = "9"
    & skf18("10","4","5","10","10","6","1") = "9"
    & skf18("10","4","5","10","10","7","1") = "9"
    & skf18("10","4","5","10","10","8","1") = "9"
    & skf18("10","4","5","10","10","9","1") = "9"
    & skf18("10","4","5","10","10","10","1") = "9"
    & skf18("10","4","6","1","1","1","1") = "9"
    & skf18("10","4","6","1","1","2","1") = "9"
    & skf18("10","4","6","1","1","3","1") = "9"
    & skf18("10","4","6","1","1","4","1") = "9"
    & skf18("10","4","6","1","1","5","1") = "9"
    & skf18("10","4","6","1","1","6","1") = "9"
    & skf18("10","4","6","1","1","7","1") = "9"
    & skf18("10","4","6","1","1","8","1") = "9"
    & skf18("10","4","6","1","1","9","1") = "9"
    & skf18("10","4","6","1","1","10","1") = "9"
    & skf18("10","4","6","1","2","1","1") = "9"
    & skf18("10","4","6","1","2","2","1") = "9"
    & skf18("10","4","6","1","2","3","1") = "9"
    & skf18("10","4","6","1","2","4","1") = "9"
    & skf18("10","4","6","1","2","5","1") = "9"
    & skf18("10","4","6","1","2","6","1") = "9"
    & skf18("10","4","6","1","2","7","1") = "9"
    & skf18("10","4","6","1","2","8","1") = "9"
    & skf18("10","4","6","1","2","9","1") = "9"
    & skf18("10","4","6","1","2","10","1") = "9"
    & skf18("10","4","6","1","3","1","1") = "9"
    & skf18("10","4","6","1","3","2","1") = "9"
    & skf18("10","4","6","1","3","3","1") = "9"
    & skf18("10","4","6","1","3","4","1") = "9"
    & skf18("10","4","6","1","3","5","1") = "9"
    & skf18("10","4","6","1","3","6","1") = "9"
    & skf18("10","4","6","1","3","7","1") = "9"
    & skf18("10","4","6","1","3","8","1") = "9"
    & skf18("10","4","6","1","3","9","1") = "9"
    & skf18("10","4","6","1","3","10","1") = "9"
    & skf18("10","4","6","1","4","1","1") = "9"
    & skf18("10","4","6","1","4","2","1") = "9"
    & skf18("10","4","6","1","4","3","1") = "9"
    & skf18("10","4","6","1","4","4","1") = "9"
    & skf18("10","4","6","1","4","5","1") = "9"
    & skf18("10","4","6","1","4","6","1") = "9"
    & skf18("10","4","6","1","4","7","1") = "9"
    & skf18("10","4","6","1","4","8","1") = "9"
    & skf18("10","4","6","1","4","9","1") = "9"
    & skf18("10","4","6","1","4","10","1") = "9"
    & skf18("10","4","6","1","5","1","1") = "9"
    & skf18("10","4","6","1","5","2","1") = "9"
    & skf18("10","4","6","1","5","3","1") = "9"
    & skf18("10","4","6","1","5","4","1") = "9"
    & skf18("10","4","6","1","5","5","1") = "9"
    & skf18("10","4","6","1","5","6","1") = "9"
    & skf18("10","4","6","1","5","7","1") = "9"
    & skf18("10","4","6","1","5","8","1") = "9"
    & skf18("10","4","6","1","5","9","1") = "9"
    & skf18("10","4","6","1","5","10","1") = "9"
    & skf18("10","4","6","1","6","1","1") = "9"
    & skf18("10","4","6","1","6","2","1") = "9"
    & skf18("10","4","6","1","6","3","1") = "9"
    & skf18("10","4","6","1","6","4","1") = "9"
    & skf18("10","4","6","1","6","5","1") = "9"
    & skf18("10","4","6","1","6","6","1") = "9"
    & skf18("10","4","6","1","6","7","1") = "9"
    & skf18("10","4","6","1","6","8","1") = "9"
    & skf18("10","4","6","1","6","9","1") = "9"
    & skf18("10","4","6","1","6","10","1") = "9"
    & skf18("10","4","6","1","7","1","1") = "9"
    & skf18("10","4","6","1","7","2","1") = "9"
    & skf18("10","4","6","1","7","3","1") = "9"
    & skf18("10","4","6","1","7","4","1") = "9"
    & skf18("10","4","6","1","7","5","1") = "9"
    & skf18("10","4","6","1","7","6","1") = "9"
    & skf18("10","4","6","1","7","7","1") = "9"
    & skf18("10","4","6","1","7","8","1") = "9"
    & skf18("10","4","6","1","7","9","1") = "9"
    & skf18("10","4","6","1","7","10","1") = "9"
    & skf18("10","4","6","1","8","1","1") = "9"
    & skf18("10","4","6","1","8","2","1") = "9"
    & skf18("10","4","6","1","8","3","1") = "9"
    & skf18("10","4","6","1","8","4","1") = "9"
    & skf18("10","4","6","1","8","5","1") = "9"
    & skf18("10","4","6","1","8","6","1") = "9"
    & skf18("10","4","6","1","8","7","1") = "9"
    & skf18("10","4","6","1","8","8","1") = "9"
    & skf18("10","4","6","1","8","9","1") = "9"
    & skf18("10","4","6","1","8","10","1") = "9"
    & skf18("10","4","6","1","9","1","1") = "9"
    & skf18("10","4","6","1","9","2","1") = "9"
    & skf18("10","4","6","1","9","3","1") = "9"
    & skf18("10","4","6","1","9","4","1") = "9"
    & skf18("10","4","6","1","9","5","1") = "9"
    & skf18("10","4","6","1","9","6","1") = "9"
    & skf18("10","4","6","1","9","7","1") = "9"
    & skf18("10","4","6","1","9","8","1") = "9"
    & skf18("10","4","6","1","9","9","1") = "9"
    & skf18("10","4","6","1","9","10","1") = "9"
    & skf18("10","4","6","1","10","1","1") = "9"
    & skf18("10","4","6","1","10","2","1") = "9"
    & skf18("10","4","6","1","10","3","1") = "9"
    & skf18("10","4","6","1","10","4","1") = "9"
    & skf18("10","4","6","1","10","5","1") = "9"
    & skf18("10","4","6","1","10","6","1") = "9"
    & skf18("10","4","6","1","10","7","1") = "9"
    & skf18("10","4","6","1","10","8","1") = "9"
    & skf18("10","4","6","1","10","9","1") = "9"
    & skf18("10","4","6","1","10","10","1") = "9"
    & skf18("10","4","6","2","1","1","1") = "9"
    & skf18("10","4","6","2","1","2","1") = "9"
    & skf18("10","4","6","2","1","3","1") = "9"
    & skf18("10","4","6","2","1","4","1") = "9"
    & skf18("10","4","6","2","1","5","1") = "9"
    & skf18("10","4","6","2","1","6","1") = "9"
    & skf18("10","4","6","2","1","7","1") = "9"
    & skf18("10","4","6","2","1","8","1") = "9"
    & skf18("10","4","6","2","1","9","1") = "9"
    & skf18("10","4","6","2","1","10","1") = "9"
    & skf18("10","4","6","2","2","1","1") = "9"
    & skf18("10","4","6","2","2","2","1") = "9"
    & skf18("10","4","6","2","2","3","1") = "9"
    & skf18("10","4","6","2","2","4","1") = "9"
    & skf18("10","4","6","2","2","5","1") = "9"
    & skf18("10","4","6","2","2","6","1") = "9"
    & skf18("10","4","6","2","2","7","1") = "9"
    & skf18("10","4","6","2","2","8","1") = "9"
    & skf18("10","4","6","2","2","9","1") = "9"
    & skf18("10","4","6","2","2","10","1") = "9"
    & skf18("10","4","6","2","3","1","1") = "9"
    & skf18("10","4","6","2","3","2","1") = "9"
    & skf18("10","4","6","2","3","3","1") = "9"
    & skf18("10","4","6","2","3","4","1") = "9"
    & skf18("10","4","6","2","3","5","1") = "9"
    & skf18("10","4","6","2","3","6","1") = "9"
    & skf18("10","4","6","2","3","7","1") = "9"
    & skf18("10","4","6","2","3","8","1") = "9"
    & skf18("10","4","6","2","3","9","1") = "9"
    & skf18("10","4","6","2","3","10","1") = "9"
    & skf18("10","4","6","2","4","1","1") = "9"
    & skf18("10","4","6","2","4","2","1") = "9"
    & skf18("10","4","6","2","4","3","1") = "9"
    & skf18("10","4","6","2","4","4","1") = "9"
    & skf18("10","4","6","2","4","5","1") = "9"
    & skf18("10","4","6","2","4","6","1") = "9"
    & skf18("10","4","6","2","4","7","1") = "9"
    & skf18("10","4","6","2","4","8","1") = "9"
    & skf18("10","4","6","2","4","9","1") = "9"
    & skf18("10","4","6","2","4","10","1") = "9"
    & skf18("10","4","6","2","5","1","1") = "9"
    & skf18("10","4","6","2","5","2","1") = "9"
    & skf18("10","4","6","2","5","3","1") = "9"
    & skf18("10","4","6","2","5","4","1") = "9"
    & skf18("10","4","6","2","5","5","1") = "9"
    & skf18("10","4","6","2","5","6","1") = "9"
    & skf18("10","4","6","2","5","7","1") = "9"
    & skf18("10","4","6","2","5","8","1") = "9"
    & skf18("10","4","6","2","5","9","1") = "9"
    & skf18("10","4","6","2","5","10","1") = "9"
    & skf18("10","4","6","2","6","1","1") = "9"
    & skf18("10","4","6","2","6","2","1") = "9"
    & skf18("10","4","6","2","6","3","1") = "9"
    & skf18("10","4","6","2","6","4","1") = "9"
    & skf18("10","4","6","2","6","5","1") = "9"
    & skf18("10","4","6","2","6","6","1") = "9"
    & skf18("10","4","6","2","6","7","1") = "9"
    & skf18("10","4","6","2","6","8","1") = "9"
    & skf18("10","4","6","2","6","9","1") = "9"
    & skf18("10","4","6","2","6","10","1") = "9"
    & skf18("10","4","6","2","7","1","1") = "9"
    & skf18("10","4","6","2","7","2","1") = "9"
    & skf18("10","4","6","2","7","3","1") = "9"
    & skf18("10","4","6","2","7","4","1") = "9"
    & skf18("10","4","6","2","7","5","1") = "9"
    & skf18("10","4","6","2","7","6","1") = "9"
    & skf18("10","4","6","2","7","7","1") = "9"
    & skf18("10","4","6","2","7","8","1") = "9"
    & skf18("10","4","6","2","7","9","1") = "9"
    & skf18("10","4","6","2","7","10","1") = "9"
    & skf18("10","4","6","2","8","1","1") = "9"
    & skf18("10","4","6","2","8","2","1") = "9"
    & skf18("10","4","6","2","8","3","1") = "9"
    & skf18("10","4","6","2","8","4","1") = "9"
    & skf18("10","4","6","2","8","5","1") = "9"
    & skf18("10","4","6","2","8","6","1") = "9"
    & skf18("10","4","6","2","8","7","1") = "9"
    & skf18("10","4","6","2","8","8","1") = "9"
    & skf18("10","4","6","2","8","9","1") = "9"
    & skf18("10","4","6","2","8","10","1") = "9"
    & skf18("10","4","6","2","9","1","1") = "9"
    & skf18("10","4","6","2","9","2","1") = "9"
    & skf18("10","4","6","2","9","3","1") = "9"
    & skf18("10","4","6","2","9","4","1") = "9"
    & skf18("10","4","6","2","9","5","1") = "9"
    & skf18("10","4","6","2","9","6","1") = "9"
    & skf18("10","4","6","2","9","7","1") = "9"
    & skf18("10","4","6","2","9","8","1") = "9"
    & skf18("10","4","6","2","9","9","1") = "9"
    & skf18("10","4","6","2","9","10","1") = "9"
    & skf18("10","4","6","2","10","1","1") = "9"
    & skf18("10","4","6","2","10","2","1") = "9"
    & skf18("10","4","6","2","10","3","1") = "9"
    & skf18("10","4","6","2","10","4","1") = "9"
    & skf18("10","4","6","2","10","5","1") = "9"
    & skf18("10","4","6","2","10","6","1") = "9"
    & skf18("10","4","6","2","10","7","1") = "9"
    & skf18("10","4","6","2","10","8","1") = "9"
    & skf18("10","4","6","2","10","9","1") = "9"
    & skf18("10","4","6","2","10","10","1") = "9"
    & skf18("10","4","6","3","1","1","1") = "9"
    & skf18("10","4","6","3","1","2","1") = "9"
    & skf18("10","4","6","3","1","3","1") = "9"
    & skf18("10","4","6","3","1","4","1") = "9"
    & skf18("10","4","6","3","1","5","1") = "9"
    & skf18("10","4","6","3","1","6","1") = "9"
    & skf18("10","4","6","3","1","7","1") = "9"
    & skf18("10","4","6","3","1","8","1") = "9"
    & skf18("10","4","6","3","1","9","1") = "9"
    & skf18("10","4","6","3","1","10","1") = "9"
    & skf18("10","4","6","3","2","1","1") = "9"
    & skf18("10","4","6","3","2","2","1") = "9"
    & skf18("10","4","6","3","2","3","1") = "9"
    & skf18("10","4","6","3","2","4","1") = "9"
    & skf18("10","4","6","3","2","5","1") = "9"
    & skf18("10","4","6","3","2","6","1") = "9"
    & skf18("10","4","6","3","2","7","1") = "9"
    & skf18("10","4","6","3","2","8","1") = "9"
    & skf18("10","4","6","3","2","9","1") = "9"
    & skf18("10","4","6","3","2","10","1") = "9"
    & skf18("10","4","6","3","3","1","1") = "9"
    & skf18("10","4","6","3","3","2","1") = "9"
    & skf18("10","4","6","3","3","3","1") = "9"
    & skf18("10","4","6","3","3","4","1") = "9"
    & skf18("10","4","6","3","3","5","1") = "9"
    & skf18("10","4","6","3","3","6","1") = "9"
    & skf18("10","4","6","3","3","7","1") = "9"
    & skf18("10","4","6","3","3","8","1") = "9"
    & skf18("10","4","6","3","3","9","1") = "9"
    & skf18("10","4","6","3","3","10","1") = "9"
    & skf18("10","4","6","3","4","1","1") = "9"
    & skf18("10","4","6","3","4","2","1") = "9"
    & skf18("10","4","6","3","4","3","1") = "9"
    & skf18("10","4","6","3","4","4","1") = "9"
    & skf18("10","4","6","3","4","5","1") = "9"
    & skf18("10","4","6","3","4","6","1") = "9"
    & skf18("10","4","6","3","4","7","1") = "9"
    & skf18("10","4","6","3","4","8","1") = "9"
    & skf18("10","4","6","3","4","9","1") = "9"
    & skf18("10","4","6","3","4","10","1") = "9"
    & skf18("10","4","6","3","5","1","1") = "9"
    & skf18("10","4","6","3","5","2","1") = "9"
    & skf18("10","4","6","3","5","3","1") = "9"
    & skf18("10","4","6","3","5","4","1") = "9"
    & skf18("10","4","6","3","5","5","1") = "9"
    & skf18("10","4","6","3","5","6","1") = "9"
    & skf18("10","4","6","3","5","7","1") = "9"
    & skf18("10","4","6","3","5","8","1") = "9"
    & skf18("10","4","6","3","5","9","1") = "9"
    & skf18("10","4","6","3","5","10","1") = "9"
    & skf18("10","4","6","3","6","1","1") = "9"
    & skf18("10","4","6","3","6","2","1") = "9"
    & skf18("10","4","6","3","6","3","1") = "9"
    & skf18("10","4","6","3","6","4","1") = "9"
    & skf18("10","4","6","3","6","5","1") = "9"
    & skf18("10","4","6","3","6","6","1") = "9"
    & skf18("10","4","6","3","6","7","1") = "9"
    & skf18("10","4","6","3","6","8","1") = "9"
    & skf18("10","4","6","3","6","9","1") = "9"
    & skf18("10","4","6","3","6","10","1") = "9"
    & skf18("10","4","6","3","7","1","1") = "9"
    & skf18("10","4","6","3","7","2","1") = "9"
    & skf18("10","4","6","3","7","3","1") = "9"
    & skf18("10","4","6","3","7","4","1") = "9"
    & skf18("10","4","6","3","7","5","1") = "9"
    & skf18("10","4","6","3","7","6","1") = "9"
    & skf18("10","4","6","3","7","7","1") = "9"
    & skf18("10","4","6","3","7","8","1") = "9"
    & skf18("10","4","6","3","7","9","1") = "9"
    & skf18("10","4","6","3","7","10","1") = "9"
    & skf18("10","4","6","3","8","1","1") = "9"
    & skf18("10","4","6","3","8","2","1") = "9"
    & skf18("10","4","6","3","8","3","1") = "9"
    & skf18("10","4","6","3","8","4","1") = "9"
    & skf18("10","4","6","3","8","5","1") = "9"
    & skf18("10","4","6","3","8","6","1") = "9"
    & skf18("10","4","6","3","8","7","1") = "9"
    & skf18("10","4","6","3","8","8","1") = "9"
    & skf18("10","4","6","3","8","9","1") = "9"
    & skf18("10","4","6","3","8","10","1") = "9"
    & skf18("10","4","6","3","9","1","1") = "9"
    & skf18("10","4","6","3","9","2","1") = "9"
    & skf18("10","4","6","3","9","3","1") = "9"
    & skf18("10","4","6","3","9","4","1") = "9"
    & skf18("10","4","6","3","9","5","1") = "9"
    & skf18("10","4","6","3","9","6","1") = "9"
    & skf18("10","4","6","3","9","7","1") = "9"
    & skf18("10","4","6","3","9","8","1") = "9"
    & skf18("10","4","6","3","9","9","1") = "9"
    & skf18("10","4","6","3","9","10","1") = "9"
    & skf18("10","4","6","3","10","1","1") = "9"
    & skf18("10","4","6","3","10","2","1") = "9"
    & skf18("10","4","6","3","10","3","1") = "9"
    & skf18("10","4","6","3","10","4","1") = "9"
    & skf18("10","4","6","3","10","5","1") = "9"
    & skf18("10","4","6","3","10","6","1") = "9"
    & skf18("10","4","6","3","10","7","1") = "9"
    & skf18("10","4","6","3","10","8","1") = "9"
    & skf18("10","4","6","3","10","9","1") = "9"
    & skf18("10","4","6","3","10","10","1") = "9"
    & skf18("10","4","6","4","1","1","1") = "9"
    & skf18("10","4","6","4","1","2","1") = "9"
    & skf18("10","4","6","4","1","3","1") = "9"
    & skf18("10","4","6","4","1","4","1") = "9"
    & skf18("10","4","6","4","1","5","1") = "9"
    & skf18("10","4","6","4","1","6","1") = "9"
    & skf18("10","4","6","4","1","7","1") = "9"
    & skf18("10","4","6","4","1","8","1") = "9"
    & skf18("10","4","6","4","1","9","1") = "9"
    & skf18("10","4","6","4","1","10","1") = "9"
    & skf18("10","4","6","4","2","1","1") = "9"
    & skf18("10","4","6","4","2","2","1") = "9"
    & skf18("10","4","6","4","2","3","1") = "9"
    & skf18("10","4","6","4","2","4","1") = "9"
    & skf18("10","4","6","4","2","5","1") = "9"
    & skf18("10","4","6","4","2","6","1") = "9"
    & skf18("10","4","6","4","2","7","1") = "9"
    & skf18("10","4","6","4","2","8","1") = "9"
    & skf18("10","4","6","4","2","9","1") = "9"
    & skf18("10","4","6","4","2","10","1") = "9"
    & skf18("10","4","6","4","3","1","1") = "9"
    & skf18("10","4","6","4","3","2","1") = "9"
    & skf18("10","4","6","4","3","3","1") = "9"
    & skf18("10","4","6","4","3","4","1") = "9"
    & skf18("10","4","6","4","3","5","1") = "9"
    & skf18("10","4","6","4","3","6","1") = "9"
    & skf18("10","4","6","4","3","7","1") = "9"
    & skf18("10","4","6","4","3","8","1") = "9"
    & skf18("10","4","6","4","3","9","1") = "9"
    & skf18("10","4","6","4","3","10","1") = "9"
    & skf18("10","4","6","4","4","1","1") = "9"
    & skf18("10","4","6","4","4","2","1") = "9"
    & skf18("10","4","6","4","4","3","1") = "9"
    & skf18("10","4","6","4","4","4","1") = "9"
    & skf18("10","4","6","4","4","5","1") = "9"
    & skf18("10","4","6","4","4","6","1") = "9"
    & skf18("10","4","6","4","4","7","1") = "9"
    & skf18("10","4","6","4","4","8","1") = "9"
    & skf18("10","4","6","4","4","9","1") = "9"
    & skf18("10","4","6","4","4","10","1") = "9"
    & skf18("10","4","6","4","5","1","1") = "9"
    & skf18("10","4","6","4","5","2","1") = "9"
    & skf18("10","4","6","4","5","3","1") = "9"
    & skf18("10","4","6","4","5","4","1") = "9"
    & skf18("10","4","6","4","5","5","1") = "9"
    & skf18("10","4","6","4","5","6","1") = "9"
    & skf18("10","4","6","4","5","7","1") = "9"
    & skf18("10","4","6","4","5","8","1") = "9"
    & skf18("10","4","6","4","5","9","1") = "9"
    & skf18("10","4","6","4","5","10","1") = "9"
    & skf18("10","4","6","4","6","1","1") = "9"
    & skf18("10","4","6","4","6","2","1") = "9"
    & skf18("10","4","6","4","6","3","1") = "9"
    & skf18("10","4","6","4","6","4","1") = "9"
    & skf18("10","4","6","4","6","5","1") = "9"
    & skf18("10","4","6","4","6","6","1") = "9"
    & skf18("10","4","6","4","6","7","1") = "9"
    & skf18("10","4","6","4","6","8","1") = "9"
    & skf18("10","4","6","4","6","9","1") = "9"
    & skf18("10","4","6","4","6","10","1") = "9"
    & skf18("10","4","6","4","7","1","1") = "9"
    & skf18("10","4","6","4","7","2","1") = "9"
    & skf18("10","4","6","4","7","3","1") = "9"
    & skf18("10","4","6","4","7","4","1") = "9"
    & skf18("10","4","6","4","7","5","1") = "9"
    & skf18("10","4","6","4","7","6","1") = "9"
    & skf18("10","4","6","4","7","7","1") = "9"
    & skf18("10","4","6","4","7","8","1") = "9"
    & skf18("10","4","6","4","7","9","1") = "9"
    & skf18("10","4","6","4","7","10","1") = "9"
    & skf18("10","4","6","4","8","1","1") = "9"
    & skf18("10","4","6","4","8","2","1") = "9"
    & skf18("10","4","6","4","8","3","1") = "9"
    & skf18("10","4","6","4","8","4","1") = "9"
    & skf18("10","4","6","4","8","5","1") = "9"
    & skf18("10","4","6","4","8","6","1") = "9"
    & skf18("10","4","6","4","8","7","1") = "9"
    & skf18("10","4","6","4","8","8","1") = "9"
    & skf18("10","4","6","4","8","9","1") = "9"
    & skf18("10","4","6","4","8","10","1") = "9"
    & skf18("10","4","6","4","9","1","1") = "9"
    & skf18("10","4","6","4","9","2","1") = "9"
    & skf18("10","4","6","4","9","3","1") = "9"
    & skf18("10","4","6","4","9","4","1") = "9"
    & skf18("10","4","6","4","9","5","1") = "9"
    & skf18("10","4","6","4","9","6","1") = "9"
    & skf18("10","4","6","4","9","7","1") = "9"
    & skf18("10","4","6","4","9","8","1") = "9"
    & skf18("10","4","6","4","9","9","1") = "9"
    & skf18("10","4","6","4","9","10","1") = "9"
    & skf18("10","4","6","4","10","1","1") = "9"
    & skf18("10","4","6","4","10","2","1") = "9"
    & skf18("10","4","6","4","10","3","1") = "9"
    & skf18("10","4","6","4","10","4","1") = "9"
    & skf18("10","4","6","4","10","5","1") = "9"
    & skf18("10","4","6","4","10","6","1") = "9"
    & skf18("10","4","6","4","10","7","1") = "9"
    & skf18("10","4","6","4","10","8","1") = "9"
    & skf18("10","4","6","4","10","9","1") = "9"
    & skf18("10","4","6","4","10","10","1") = "9"
    & skf18("10","4","6","5","1","1","1") = "9"
    & skf18("10","4","6","5","1","2","1") = "9"
    & skf18("10","4","6","5","1","3","1") = "9"
    & skf18("10","4","6","5","1","4","1") = "9"
    & skf18("10","4","6","5","1","5","1") = "9"
    & skf18("10","4","6","5","1","6","1") = "9"
    & skf18("10","4","6","5","1","7","1") = "9"
    & skf18("10","4","6","5","1","8","1") = "9"
    & skf18("10","4","6","5","1","9","1") = "9"
    & skf18("10","4","6","5","1","10","1") = "9"
    & skf18("10","4","6","5","2","1","1") = "9"
    & skf18("10","4","6","5","2","2","1") = "9"
    & skf18("10","4","6","5","2","3","1") = "9"
    & skf18("10","4","6","5","2","4","1") = "9"
    & skf18("10","4","6","5","2","5","1") = "9"
    & skf18("10","4","6","5","2","6","1") = "9"
    & skf18("10","4","6","5","2","7","1") = "9"
    & skf18("10","4","6","5","2","8","1") = "9"
    & skf18("10","4","6","5","2","9","1") = "9"
    & skf18("10","4","6","5","2","10","1") = "9"
    & skf18("10","4","6","5","3","1","1") = "9"
    & skf18("10","4","6","5","3","2","1") = "9"
    & skf18("10","4","6","5","3","3","1") = "9"
    & skf18("10","4","6","5","3","4","1") = "9"
    & skf18("10","4","6","5","3","5","1") = "9"
    & skf18("10","4","6","5","3","6","1") = "9"
    & skf18("10","4","6","5","3","7","1") = "9"
    & skf18("10","4","6","5","3","8","1") = "9"
    & skf18("10","4","6","5","3","9","1") = "9"
    & skf18("10","4","6","5","3","10","1") = "9"
    & skf18("10","4","6","5","4","1","1") = "9"
    & skf18("10","4","6","5","4","2","1") = "9"
    & skf18("10","4","6","5","4","3","1") = "9"
    & skf18("10","4","6","5","4","4","1") = "9"
    & skf18("10","4","6","5","4","5","1") = "9"
    & skf18("10","4","6","5","4","6","1") = "9"
    & skf18("10","4","6","5","4","7","1") = "9"
    & skf18("10","4","6","5","4","8","1") = "9"
    & skf18("10","4","6","5","4","9","1") = "9"
    & skf18("10","4","6","5","4","10","1") = "9"
    & skf18("10","4","6","5","5","1","1") = "9"
    & skf18("10","4","6","5","5","2","1") = "9"
    & skf18("10","4","6","5","5","3","1") = "9"
    & skf18("10","4","6","5","5","4","1") = "9"
    & skf18("10","4","6","5","5","5","1") = "9"
    & skf18("10","4","6","5","5","6","1") = "9"
    & skf18("10","4","6","5","5","7","1") = "9"
    & skf18("10","4","6","5","5","8","1") = "9"
    & skf18("10","4","6","5","5","9","1") = "9"
    & skf18("10","4","6","5","5","10","1") = "9"
    & skf18("10","4","6","5","6","1","1") = "9"
    & skf18("10","4","6","5","6","2","1") = "9"
    & skf18("10","4","6","5","6","3","1") = "9"
    & skf18("10","4","6","5","6","4","1") = "9"
    & skf18("10","4","6","5","6","5","1") = "9"
    & skf18("10","4","6","5","6","6","1") = "9"
    & skf18("10","4","6","5","6","7","1") = "9"
    & skf18("10","4","6","5","6","8","1") = "9"
    & skf18("10","4","6","5","6","9","1") = "9"
    & skf18("10","4","6","5","6","10","1") = "9"
    & skf18("10","4","6","5","7","1","1") = "9"
    & skf18("10","4","6","5","7","2","1") = "9"
    & skf18("10","4","6","5","7","3","1") = "9"
    & skf18("10","4","6","5","7","4","1") = "9"
    & skf18("10","4","6","5","7","5","1") = "9"
    & skf18("10","4","6","5","7","6","1") = "9"
    & skf18("10","4","6","5","7","7","1") = "9"
    & skf18("10","4","6","5","7","8","1") = "9"
    & skf18("10","4","6","5","7","9","1") = "9"
    & skf18("10","4","6","5","7","10","1") = "9"
    & skf18("10","4","6","5","8","1","1") = "9"
    & skf18("10","4","6","5","8","2","1") = "9"
    & skf18("10","4","6","5","8","3","1") = "9"
    & skf18("10","4","6","5","8","4","1") = "9"
    & skf18("10","4","6","5","8","5","1") = "9"
    & skf18("10","4","6","5","8","6","1") = "9"
    & skf18("10","4","6","5","8","7","1") = "9"
    & skf18("10","4","6","5","8","8","1") = "9"
    & skf18("10","4","6","5","8","9","1") = "9"
    & skf18("10","4","6","5","8","10","1") = "9"
    & skf18("10","4","6","5","9","1","1") = "9"
    & skf18("10","4","6","5","9","2","1") = "9"
    & skf18("10","4","6","5","9","3","1") = "9"
    & skf18("10","4","6","5","9","4","1") = "9"
    & skf18("10","4","6","5","9","5","1") = "9"
    & skf18("10","4","6","5","9","6","1") = "9"
    & skf18("10","4","6","5","9","7","1") = "9"
    & skf18("10","4","6","5","9","8","1") = "9"
    & skf18("10","4","6","5","9","9","1") = "9"
    & skf18("10","4","6","5","9","10","1") = "9"
    & skf18("10","4","6","5","10","1","1") = "9"
    & skf18("10","4","6","5","10","2","1") = "9"
    & skf18("10","4","6","5","10","3","1") = "9"
    & skf18("10","4","6","5","10","4","1") = "9"
    & skf18("10","4","6","5","10","5","1") = "9"
    & skf18("10","4","6","5","10","6","1") = "9"
    & skf18("10","4","6","5","10","7","1") = "9"
    & skf18("10","4","6","5","10","8","1") = "9"
    & skf18("10","4","6","5","10","9","1") = "9"
    & skf18("10","4","6","5","10","10","1") = "9"
    & skf18("10","4","6","6","1","1","1") = "9"
    & skf18("10","4","6","6","1","2","1") = "9"
    & skf18("10","4","6","6","1","3","1") = "9"
    & skf18("10","4","6","6","1","4","1") = "9"
    & skf18("10","4","6","6","1","5","1") = "9"
    & skf18("10","4","6","6","1","6","1") = "9"
    & skf18("10","4","6","6","1","7","1") = "9"
    & skf18("10","4","6","6","1","8","1") = "9"
    & skf18("10","4","6","6","1","9","1") = "9"
    & skf18("10","4","6","6","1","10","1") = "9"
    & skf18("10","4","6","6","2","1","1") = "9"
    & skf18("10","4","6","6","2","2","1") = "9"
    & skf18("10","4","6","6","2","3","1") = "9"
    & skf18("10","4","6","6","2","4","1") = "9"
    & skf18("10","4","6","6","2","5","1") = "9"
    & skf18("10","4","6","6","2","6","1") = "9"
    & skf18("10","4","6","6","2","7","1") = "9"
    & skf18("10","4","6","6","2","8","1") = "9"
    & skf18("10","4","6","6","2","9","1") = "9"
    & skf18("10","4","6","6","2","10","1") = "9"
    & skf18("10","4","6","6","3","1","1") = "9"
    & skf18("10","4","6","6","3","2","1") = "9"
    & skf18("10","4","6","6","3","3","1") = "9"
    & skf18("10","4","6","6","3","4","1") = "9"
    & skf18("10","4","6","6","3","5","1") = "9"
    & skf18("10","4","6","6","3","6","1") = "9"
    & skf18("10","4","6","6","3","7","1") = "9"
    & skf18("10","4","6","6","3","8","1") = "9"
    & skf18("10","4","6","6","3","9","1") = "9"
    & skf18("10","4","6","6","3","10","1") = "9"
    & skf18("10","4","6","6","4","1","1") = "9"
    & skf18("10","4","6","6","4","2","1") = "9"
    & skf18("10","4","6","6","4","3","1") = "9"
    & skf18("10","4","6","6","4","4","1") = "9"
    & skf18("10","4","6","6","4","5","1") = "9"
    & skf18("10","4","6","6","4","6","1") = "9"
    & skf18("10","4","6","6","4","7","1") = "9"
    & skf18("10","4","6","6","4","8","1") = "9"
    & skf18("10","4","6","6","4","9","1") = "9"
    & skf18("10","4","6","6","4","10","1") = "9"
    & skf18("10","4","6","6","5","1","1") = "9"
    & skf18("10","4","6","6","5","2","1") = "9"
    & skf18("10","4","6","6","5","3","1") = "9"
    & skf18("10","4","6","6","5","4","1") = "9"
    & skf18("10","4","6","6","5","5","1") = "9"
    & skf18("10","4","6","6","5","6","1") = "9"
    & skf18("10","4","6","6","5","7","1") = "9"
    & skf18("10","4","6","6","5","8","1") = "9"
    & skf18("10","4","6","6","5","9","1") = "9"
    & skf18("10","4","6","6","5","10","1") = "9"
    & skf18("10","4","6","6","6","1","1") = "9"
    & skf18("10","4","6","6","6","2","1") = "9"
    & skf18("10","4","6","6","6","3","1") = "9"
    & skf18("10","4","6","6","6","4","1") = "9"
    & skf18("10","4","6","6","6","5","1") = "9"
    & skf18("10","4","6","6","6","6","1") = "9"
    & skf18("10","4","6","6","6","7","1") = "9"
    & skf18("10","4","6","6","6","8","1") = "9"
    & skf18("10","4","6","6","6","9","1") = "9"
    & skf18("10","4","6","6","6","10","1") = "9"
    & skf18("10","4","6","6","7","1","1") = "9"
    & skf18("10","4","6","6","7","2","1") = "9"
    & skf18("10","4","6","6","7","3","1") = "9"
    & skf18("10","4","6","6","7","4","1") = "9"
    & skf18("10","4","6","6","7","5","1") = "9"
    & skf18("10","4","6","6","7","6","1") = "9"
    & skf18("10","4","6","6","7","7","1") = "9"
    & skf18("10","4","6","6","7","8","1") = "9"
    & skf18("10","4","6","6","7","9","1") = "9"
    & skf18("10","4","6","6","7","10","1") = "9"
    & skf18("10","4","6","6","8","1","1") = "9"
    & skf18("10","4","6","6","8","2","1") = "9"
    & skf18("10","4","6","6","8","3","1") = "9"
    & skf18("10","4","6","6","8","4","1") = "9"
    & skf18("10","4","6","6","8","5","1") = "9"
    & skf18("10","4","6","6","8","6","1") = "9"
    & skf18("10","4","6","6","8","7","1") = "9"
    & skf18("10","4","6","6","8","8","1") = "9"
    & skf18("10","4","6","6","8","9","1") = "9"
    & skf18("10","4","6","6","8","10","1") = "9"
    & skf18("10","4","6","6","9","1","1") = "9"
    & skf18("10","4","6","6","9","2","1") = "9"
    & skf18("10","4","6","6","9","3","1") = "9"
    & skf18("10","4","6","6","9","4","1") = "9"
    & skf18("10","4","6","6","9","5","1") = "9"
    & skf18("10","4","6","6","9","6","1") = "9"
    & skf18("10","4","6","6","9","7","1") = "9"
    & skf18("10","4","6","6","9","8","1") = "9"
    & skf18("10","4","6","6","9","9","1") = "9"
    & skf18("10","4","6","6","9","10","1") = "9"
    & skf18("10","4","6","6","10","1","1") = "9"
    & skf18("10","4","6","6","10","2","1") = "9"
    & skf18("10","4","6","6","10","3","1") = "9"
    & skf18("10","4","6","6","10","4","1") = "9"
    & skf18("10","4","6","6","10","5","1") = "9"
    & skf18("10","4","6","6","10","6","1") = "9"
    & skf18("10","4","6","6","10","7","1") = "9"
    & skf18("10","4","6","6","10","8","1") = "9"
    & skf18("10","4","6","6","10","9","1") = "9"
    & skf18("10","4","6","6","10","10","1") = "9"
    & skf18("10","4","6","7","1","1","1") = "9"
    & skf18("10","4","6","7","1","2","1") = "9"
    & skf18("10","4","6","7","1","3","1") = "9"
    & skf18("10","4","6","7","1","4","1") = "9"
    & skf18("10","4","6","7","1","5","1") = "9"
    & skf18("10","4","6","7","1","6","1") = "9"
    & skf18("10","4","6","7","1","7","1") = "9"
    & skf18("10","4","6","7","1","8","1") = "9"
    & skf18("10","4","6","7","1","9","1") = "9"
    & skf18("10","4","6","7","1","10","1") = "9"
    & skf18("10","4","6","7","2","1","1") = "9"
    & skf18("10","4","6","7","2","2","1") = "9"
    & skf18("10","4","6","7","2","3","1") = "9"
    & skf18("10","4","6","7","2","4","1") = "9"
    & skf18("10","4","6","7","2","5","1") = "9"
    & skf18("10","4","6","7","2","6","1") = "9"
    & skf18("10","4","6","7","2","7","1") = "9"
    & skf18("10","4","6","7","2","8","1") = "9"
    & skf18("10","4","6","7","2","9","1") = "9"
    & skf18("10","4","6","7","2","10","1") = "9"
    & skf18("10","4","6","7","3","1","1") = "9"
    & skf18("10","4","6","7","3","2","1") = "9"
    & skf18("10","4","6","7","3","3","1") = "9"
    & skf18("10","4","6","7","3","4","1") = "9"
    & skf18("10","4","6","7","3","5","1") = "9"
    & skf18("10","4","6","7","3","6","1") = "9"
    & skf18("10","4","6","7","3","7","1") = "9"
    & skf18("10","4","6","7","3","8","1") = "9"
    & skf18("10","4","6","7","3","9","1") = "9"
    & skf18("10","4","6","7","3","10","1") = "9"
    & skf18("10","4","6","7","4","1","1") = "9"
    & skf18("10","4","6","7","4","2","1") = "9"
    & skf18("10","4","6","7","4","3","1") = "9"
    & skf18("10","4","6","7","4","4","1") = "9"
    & skf18("10","4","6","7","4","5","1") = "9"
    & skf18("10","4","6","7","4","6","1") = "9"
    & skf18("10","4","6","7","4","7","1") = "9"
    & skf18("10","4","6","7","4","8","1") = "9"
    & skf18("10","4","6","7","4","9","1") = "9"
    & skf18("10","4","6","7","4","10","1") = "9"
    & skf18("10","4","6","7","5","1","1") = "9"
    & skf18("10","4","6","7","5","2","1") = "9"
    & skf18("10","4","6","7","5","3","1") = "9"
    & skf18("10","4","6","7","5","4","1") = "9"
    & skf18("10","4","6","7","5","5","1") = "9"
    & skf18("10","4","6","7","5","6","1") = "9"
    & skf18("10","4","6","7","5","7","1") = "9"
    & skf18("10","4","6","7","5","8","1") = "9"
    & skf18("10","4","6","7","5","9","1") = "9"
    & skf18("10","4","6","7","5","10","1") = "9"
    & skf18("10","4","6","7","6","1","1") = "9"
    & skf18("10","4","6","7","6","2","1") = "9"
    & skf18("10","4","6","7","6","3","1") = "9"
    & skf18("10","4","6","7","6","4","1") = "9"
    & skf18("10","4","6","7","6","5","1") = "9"
    & skf18("10","4","6","7","6","6","1") = "9"
    & skf18("10","4","6","7","6","7","1") = "9"
    & skf18("10","4","6","7","6","8","1") = "9"
    & skf18("10","4","6","7","6","9","1") = "9"
    & skf18("10","4","6","7","6","10","1") = "9"
    & skf18("10","4","6","7","7","1","1") = "9"
    & skf18("10","4","6","7","7","2","1") = "9"
    & skf18("10","4","6","7","7","3","1") = "9"
    & skf18("10","4","6","7","7","4","1") = "9"
    & skf18("10","4","6","7","7","5","1") = "9"
    & skf18("10","4","6","7","7","6","1") = "9"
    & skf18("10","4","6","7","7","7","1") = "9"
    & skf18("10","4","6","7","7","8","1") = "9"
    & skf18("10","4","6","7","7","9","1") = "9"
    & skf18("10","4","6","7","7","10","1") = "9"
    & skf18("10","4","6","7","8","1","1") = "9"
    & skf18("10","4","6","7","8","2","1") = "9"
    & skf18("10","4","6","7","8","3","1") = "9"
    & skf18("10","4","6","7","8","4","1") = "9"
    & skf18("10","4","6","7","8","5","1") = "9"
    & skf18("10","4","6","7","8","6","1") = "9"
    & skf18("10","4","6","7","8","7","1") = "9"
    & skf18("10","4","6","7","8","8","1") = "9"
    & skf18("10","4","6","7","8","9","1") = "9"
    & skf18("10","4","6","7","8","10","1") = "9"
    & skf18("10","4","6","7","9","1","1") = "9"
    & skf18("10","4","6","7","9","2","1") = "9"
    & skf18("10","4","6","7","9","3","1") = "9"
    & skf18("10","4","6","7","9","4","1") = "9"
    & skf18("10","4","6","7","9","5","1") = "9"
    & skf18("10","4","6","7","9","6","1") = "9"
    & skf18("10","4","6","7","9","7","1") = "9"
    & skf18("10","4","6","7","9","8","1") = "9"
    & skf18("10","4","6","7","9","9","1") = "9"
    & skf18("10","4","6","7","9","10","1") = "9"
    & skf18("10","4","6","7","10","1","1") = "9"
    & skf18("10","4","6","7","10","2","1") = "9"
    & skf18("10","4","6","7","10","3","1") = "9"
    & skf18("10","4","6","7","10","4","1") = "9"
    & skf18("10","4","6","7","10","5","1") = "9"
    & skf18("10","4","6","7","10","6","1") = "9"
    & skf18("10","4","6","7","10","7","1") = "9"
    & skf18("10","4","6","7","10","8","1") = "9"
    & skf18("10","4","6","7","10","9","1") = "9"
    & skf18("10","4","6","7","10","10","1") = "9"
    & skf18("10","4","6","8","1","1","1") = "9"
    & skf18("10","4","6","8","1","2","1") = "9"
    & skf18("10","4","6","8","1","3","1") = "9"
    & skf18("10","4","6","8","1","4","1") = "9"
    & skf18("10","4","6","8","1","5","1") = "9"
    & skf18("10","4","6","8","1","6","1") = "9"
    & skf18("10","4","6","8","1","7","1") = "9"
    & skf18("10","4","6","8","1","8","1") = "9"
    & skf18("10","4","6","8","1","9","1") = "9"
    & skf18("10","4","6","8","1","10","1") = "9"
    & skf18("10","4","6","8","2","1","1") = "9"
    & skf18("10","4","6","8","2","2","1") = "9"
    & skf18("10","4","6","8","2","3","1") = "9"
    & skf18("10","4","6","8","2","4","1") = "9"
    & skf18("10","4","6","8","2","5","1") = "9"
    & skf18("10","4","6","8","2","6","1") = "9"
    & skf18("10","4","6","8","2","7","1") = "9"
    & skf18("10","4","6","8","2","8","1") = "9"
    & skf18("10","4","6","8","2","9","1") = "9"
    & skf18("10","4","6","8","2","10","1") = "9"
    & skf18("10","4","6","8","3","1","1") = "9"
    & skf18("10","4","6","8","3","2","1") = "9"
    & skf18("10","4","6","8","3","3","1") = "9"
    & skf18("10","4","6","8","3","4","1") = "9"
    & skf18("10","4","6","8","3","5","1") = "9"
    & skf18("10","4","6","8","3","6","1") = "9"
    & skf18("10","4","6","8","3","7","1") = "9"
    & skf18("10","4","6","8","3","8","1") = "9"
    & skf18("10","4","6","8","3","9","1") = "9"
    & skf18("10","4","6","8","3","10","1") = "9"
    & skf18("10","4","6","8","4","1","1") = "9"
    & skf18("10","4","6","8","4","2","1") = "9"
    & skf18("10","4","6","8","4","3","1") = "9"
    & skf18("10","4","6","8","4","4","1") = "9"
    & skf18("10","4","6","8","4","5","1") = "9"
    & skf18("10","4","6","8","4","6","1") = "9"
    & skf18("10","4","6","8","4","7","1") = "9"
    & skf18("10","4","6","8","4","8","1") = "9"
    & skf18("10","4","6","8","4","9","1") = "9"
    & skf18("10","4","6","8","4","10","1") = "9"
    & skf18("10","4","6","8","5","1","1") = "9"
    & skf18("10","4","6","8","5","2","1") = "9"
    & skf18("10","4","6","8","5","3","1") = "9"
    & skf18("10","4","6","8","5","4","1") = "9"
    & skf18("10","4","6","8","5","5","1") = "9"
    & skf18("10","4","6","8","5","6","1") = "9"
    & skf18("10","4","6","8","5","7","1") = "9"
    & skf18("10","4","6","8","5","8","1") = "9"
    & skf18("10","4","6","8","5","9","1") = "9"
    & skf18("10","4","6","8","5","10","1") = "9"
    & skf18("10","4","6","8","6","1","1") = "9"
    & skf18("10","4","6","8","6","2","1") = "9"
    & skf18("10","4","6","8","6","3","1") = "9"
    & skf18("10","4","6","8","6","4","1") = "9"
    & skf18("10","4","6","8","6","5","1") = "9"
    & skf18("10","4","6","8","6","6","1") = "9"
    & skf18("10","4","6","8","6","7","1") = "9"
    & skf18("10","4","6","8","6","8","1") = "9"
    & skf18("10","4","6","8","6","9","1") = "9"
    & skf18("10","4","6","8","6","10","1") = "9"
    & skf18("10","4","6","8","7","1","1") = "9"
    & skf18("10","4","6","8","7","2","1") = "9"
    & skf18("10","4","6","8","7","3","1") = "9"
    & skf18("10","4","6","8","7","4","1") = "9"
    & skf18("10","4","6","8","7","5","1") = "9"
    & skf18("10","4","6","8","7","6","1") = "9"
    & skf18("10","4","6","8","7","7","1") = "9"
    & skf18("10","4","6","8","7","8","1") = "9"
    & skf18("10","4","6","8","7","9","1") = "9"
    & skf18("10","4","6","8","7","10","1") = "9"
    & skf18("10","4","6","8","8","1","1") = "9"
    & skf18("10","4","6","8","8","2","1") = "9"
    & skf18("10","4","6","8","8","3","1") = "9"
    & skf18("10","4","6","8","8","4","1") = "9"
    & skf18("10","4","6","8","8","5","1") = "9"
    & skf18("10","4","6","8","8","6","1") = "9"
    & skf18("10","4","6","8","8","7","1") = "9"
    & skf18("10","4","6","8","8","8","1") = "9"
    & skf18("10","4","6","8","8","9","1") = "9"
    & skf18("10","4","6","8","8","10","1") = "9"
    & skf18("10","4","6","8","9","1","1") = "9"
    & skf18("10","4","6","8","9","2","1") = "9"
    & skf18("10","4","6","8","9","3","1") = "9"
    & skf18("10","4","6","8","9","4","1") = "9"
    & skf18("10","4","6","8","9","5","1") = "9"
    & skf18("10","4","6","8","9","6","1") = "9"
    & skf18("10","4","6","8","9","7","1") = "9"
    & skf18("10","4","6","8","9","8","1") = "9"
    & skf18("10","4","6","8","9","9","1") = "9"
    & skf18("10","4","6","8","9","10","1") = "9"
    & skf18("10","4","6","8","10","1","1") = "9"
    & skf18("10","4","6","8","10","2","1") = "9"
    & skf18("10","4","6","8","10","3","1") = "9"
    & skf18("10","4","6","8","10","4","1") = "9"
    & skf18("10","4","6","8","10","5","1") = "9"
    & skf18("10","4","6","8","10","6","1") = "9"
    & skf18("10","4","6","8","10","7","1") = "9"
    & skf18("10","4","6","8","10","8","1") = "9"
    & skf18("10","4","6","8","10","9","1") = "9"
    & skf18("10","4","6","8","10","10","1") = "9"
    & skf18("10","4","6","9","1","1","1") = "9"
    & skf18("10","4","6","9","1","2","1") = "9"
    & skf18("10","4","6","9","1","3","1") = "9"
    & skf18("10","4","6","9","1","4","1") = "9"
    & skf18("10","4","6","9","1","5","1") = "9"
    & skf18("10","4","6","9","1","6","1") = "9"
    & skf18("10","4","6","9","1","7","1") = "9"
    & skf18("10","4","6","9","1","8","1") = "9"
    & skf18("10","4","6","9","1","9","1") = "9"
    & skf18("10","4","6","9","1","10","1") = "9"
    & skf18("10","4","6","9","2","1","1") = "9"
    & skf18("10","4","6","9","2","2","1") = "9"
    & skf18("10","4","6","9","2","3","1") = "9"
    & skf18("10","4","6","9","2","4","1") = "9"
    & skf18("10","4","6","9","2","5","1") = "9"
    & skf18("10","4","6","9","2","6","1") = "9"
    & skf18("10","4","6","9","2","7","1") = "9"
    & skf18("10","4","6","9","2","8","1") = "9"
    & skf18("10","4","6","9","2","9","1") = "9"
    & skf18("10","4","6","9","2","10","1") = "9"
    & skf18("10","4","6","9","3","1","1") = "9"
    & skf18("10","4","6","9","3","2","1") = "9"
    & skf18("10","4","6","9","3","3","1") = "9"
    & skf18("10","4","6","9","3","4","1") = "9"
    & skf18("10","4","6","9","3","5","1") = "9"
    & skf18("10","4","6","9","3","6","1") = "9"
    & skf18("10","4","6","9","3","7","1") = "9"
    & skf18("10","4","6","9","3","8","1") = "9"
    & skf18("10","4","6","9","3","9","1") = "9"
    & skf18("10","4","6","9","3","10","1") = "9"
    & skf18("10","4","6","9","4","1","1") = "9"
    & skf18("10","4","6","9","4","2","1") = "9"
    & skf18("10","4","6","9","4","3","1") = "9"
    & skf18("10","4","6","9","4","4","1") = "9"
    & skf18("10","4","6","9","4","5","1") = "9"
    & skf18("10","4","6","9","4","6","1") = "9"
    & skf18("10","4","6","9","4","7","1") = "9"
    & skf18("10","4","6","9","4","8","1") = "9"
    & skf18("10","4","6","9","4","9","1") = "9"
    & skf18("10","4","6","9","4","10","1") = "9"
    & skf18("10","4","6","9","5","1","1") = "9"
    & skf18("10","4","6","9","5","2","1") = "9"
    & skf18("10","4","6","9","5","3","1") = "9"
    & skf18("10","4","6","9","5","4","1") = "9"
    & skf18("10","4","6","9","5","5","1") = "9"
    & skf18("10","4","6","9","5","6","1") = "9"
    & skf18("10","4","6","9","5","7","1") = "9"
    & skf18("10","4","6","9","5","8","1") = "9"
    & skf18("10","4","6","9","5","9","1") = "9"
    & skf18("10","4","6","9","5","10","1") = "9"
    & skf18("10","4","6","9","6","1","1") = "9"
    & skf18("10","4","6","9","6","2","1") = "9"
    & skf18("10","4","6","9","6","3","1") = "9"
    & skf18("10","4","6","9","6","4","1") = "9"
    & skf18("10","4","6","9","6","5","1") = "9"
    & skf18("10","4","6","9","6","6","1") = "9"
    & skf18("10","4","6","9","6","7","1") = "9"
    & skf18("10","4","6","9","6","8","1") = "9"
    & skf18("10","4","6","9","6","9","1") = "9"
    & skf18("10","4","6","9","6","10","1") = "9"
    & skf18("10","4","6","9","7","1","1") = "9"
    & skf18("10","4","6","9","7","2","1") = "9"
    & skf18("10","4","6","9","7","3","1") = "9"
    & skf18("10","4","6","9","7","4","1") = "9"
    & skf18("10","4","6","9","7","5","1") = "9"
    & skf18("10","4","6","9","7","6","1") = "9"
    & skf18("10","4","6","9","7","7","1") = "9"
    & skf18("10","4","6","9","7","8","1") = "9"
    & skf18("10","4","6","9","7","9","1") = "9"
    & skf18("10","4","6","9","7","10","1") = "9"
    & skf18("10","4","6","9","8","1","1") = "9"
    & skf18("10","4","6","9","8","2","1") = "9"
    & skf18("10","4","6","9","8","3","1") = "9"
    & skf18("10","4","6","9","8","4","1") = "9"
    & skf18("10","4","6","9","8","5","1") = "9"
    & skf18("10","4","6","9","8","6","1") = "9"
    & skf18("10","4","6","9","8","7","1") = "9"
    & skf18("10","4","6","9","8","8","1") = "9"
    & skf18("10","4","6","9","8","9","1") = "9"
    & skf18("10","4","6","9","8","10","1") = "9"
    & skf18("10","4","6","9","9","1","1") = "9"
    & skf18("10","4","6","9","9","2","1") = "9"
    & skf18("10","4","6","9","9","3","1") = "9"
    & skf18("10","4","6","9","9","4","1") = "9"
    & skf18("10","4","6","9","9","5","1") = "9"
    & skf18("10","4","6","9","9","6","1") = "9"
    & skf18("10","4","6","9","9","7","1") = "9"
    & skf18("10","4","6","9","9","8","1") = "9"
    & skf18("10","4","6","9","9","9","1") = "9"
    & skf18("10","4","6","9","9","10","1") = "9"
    & skf18("10","4","6","9","10","1","1") = "9"
    & skf18("10","4","6","9","10","2","1") = "9"
    & skf18("10","4","6","9","10","3","1") = "9"
    & skf18("10","4","6","9","10","4","1") = "9"
    & skf18("10","4","6","9","10","5","1") = "9"
    & skf18("10","4","6","9","10","6","1") = "9"
    & skf18("10","4","6","9","10","7","1") = "9"
    & skf18("10","4","6","9","10","8","1") = "9"
    & skf18("10","4","6","9","10","9","1") = "9"
    & skf18("10","4","6","9","10","10","1") = "9"
    & skf18("10","4","6","10","1","1","1") = "9"
    & skf18("10","4","6","10","1","2","1") = "9"
    & skf18("10","4","6","10","1","3","1") = "9"
    & skf18("10","4","6","10","1","4","1") = "9"
    & skf18("10","4","6","10","1","5","1") = "9"
    & skf18("10","4","6","10","1","6","1") = "9"
    & skf18("10","4","6","10","1","7","1") = "9"
    & skf18("10","4","6","10","1","8","1") = "9"
    & skf18("10","4","6","10","1","9","1") = "9"
    & skf18("10","4","6","10","1","10","1") = "9"
    & skf18("10","4","6","10","2","1","1") = "9"
    & skf18("10","4","6","10","2","2","1") = "9"
    & skf18("10","4","6","10","2","3","1") = "9"
    & skf18("10","4","6","10","2","4","1") = "9"
    & skf18("10","4","6","10","2","5","1") = "9"
    & skf18("10","4","6","10","2","6","1") = "9"
    & skf18("10","4","6","10","2","7","1") = "9"
    & skf18("10","4","6","10","2","8","1") = "9"
    & skf18("10","4","6","10","2","9","1") = "9"
    & skf18("10","4","6","10","2","10","1") = "9"
    & skf18("10","4","6","10","3","1","1") = "9"
    & skf18("10","4","6","10","3","2","1") = "9"
    & skf18("10","4","6","10","3","3","1") = "9"
    & skf18("10","4","6","10","3","4","1") = "9"
    & skf18("10","4","6","10","3","5","1") = "9"
    & skf18("10","4","6","10","3","6","1") = "9"
    & skf18("10","4","6","10","3","7","1") = "9"
    & skf18("10","4","6","10","3","8","1") = "9"
    & skf18("10","4","6","10","3","9","1") = "9"
    & skf18("10","4","6","10","3","10","1") = "9"
    & skf18("10","4","6","10","4","1","1") = "9"
    & skf18("10","4","6","10","4","2","1") = "9"
    & skf18("10","4","6","10","4","3","1") = "9"
    & skf18("10","4","6","10","4","4","1") = "9"
    & skf18("10","4","6","10","4","5","1") = "9"
    & skf18("10","4","6","10","4","6","1") = "9"
    & skf18("10","4","6","10","4","7","1") = "9"
    & skf18("10","4","6","10","4","8","1") = "9"
    & skf18("10","4","6","10","4","9","1") = "9"
    & skf18("10","4","6","10","4","10","1") = "9"
    & skf18("10","4","6","10","5","1","1") = "9"
    & skf18("10","4","6","10","5","2","1") = "9"
    & skf18("10","4","6","10","5","3","1") = "9"
    & skf18("10","4","6","10","5","4","1") = "9"
    & skf18("10","4","6","10","5","5","1") = "9"
    & skf18("10","4","6","10","5","6","1") = "9"
    & skf18("10","4","6","10","5","7","1") = "9"
    & skf18("10","4","6","10","5","8","1") = "9"
    & skf18("10","4","6","10","5","9","1") = "9"
    & skf18("10","4","6","10","5","10","1") = "9"
    & skf18("10","4","6","10","6","1","1") = "9"
    & skf18("10","4","6","10","6","2","1") = "9"
    & skf18("10","4","6","10","6","3","1") = "9"
    & skf18("10","4","6","10","6","4","1") = "9"
    & skf18("10","4","6","10","6","5","1") = "9"
    & skf18("10","4","6","10","6","6","1") = "9"
    & skf18("10","4","6","10","6","7","1") = "9"
    & skf18("10","4","6","10","6","8","1") = "9"
    & skf18("10","4","6","10","6","9","1") = "9"
    & skf18("10","4","6","10","6","10","1") = "9"
    & skf18("10","4","6","10","7","1","1") = "9"
    & skf18("10","4","6","10","7","2","1") = "9"
    & skf18("10","4","6","10","7","3","1") = "9"
    & skf18("10","4","6","10","7","4","1") = "9"
    & skf18("10","4","6","10","7","5","1") = "9"
    & skf18("10","4","6","10","7","6","1") = "9"
    & skf18("10","4","6","10","7","7","1") = "9"
    & skf18("10","4","6","10","7","8","1") = "9"
    & skf18("10","4","6","10","7","9","1") = "9"
    & skf18("10","4","6","10","7","10","1") = "9"
    & skf18("10","4","6","10","8","1","1") = "9"
    & skf18("10","4","6","10","8","2","1") = "9"
    & skf18("10","4","6","10","8","3","1") = "9"
    & skf18("10","4","6","10","8","4","1") = "9"
    & skf18("10","4","6","10","8","5","1") = "9"
    & skf18("10","4","6","10","8","6","1") = "9"
    & skf18("10","4","6","10","8","7","1") = "9"
    & skf18("10","4","6","10","8","8","1") = "9"
    & skf18("10","4","6","10","8","9","1") = "9"
    & skf18("10","4","6","10","8","10","1") = "9"
    & skf18("10","4","6","10","9","1","1") = "9"
    & skf18("10","4","6","10","9","2","1") = "9"
    & skf18("10","4","6","10","9","3","1") = "9"
    & skf18("10","4","6","10","9","4","1") = "9"
    & skf18("10","4","6","10","9","5","1") = "9"
    & skf18("10","4","6","10","9","6","1") = "9"
    & skf18("10","4","6","10","9","7","1") = "9"
    & skf18("10","4","6","10","9","8","1") = "9"
    & skf18("10","4","6","10","9","9","1") = "9"
    & skf18("10","4","6","10","9","10","1") = "9"
    & skf18("10","4","6","10","10","1","1") = "9"
    & skf18("10","4","6","10","10","2","1") = "9"
    & skf18("10","4","6","10","10","3","1") = "9"
    & skf18("10","4","6","10","10","4","1") = "9"
    & skf18("10","4","6","10","10","5","1") = "9"
    & skf18("10","4","6","10","10","6","1") = "9"
    & skf18("10","4","6","10","10","7","1") = "9"
    & skf18("10","4","6","10","10","8","1") = "9"
    & skf18("10","4","6","10","10","9","1") = "9"
    & skf18("10","4","6","10","10","10","1") = "9"
    & skf18("10","4","7","1","1","1","1") = "9"
    & skf18("10","4","7","1","1","2","1") = "9"
    & skf18("10","4","7","1","1","3","1") = "9"
    & skf18("10","4","7","1","1","4","1") = "9"
    & skf18("10","4","7","1","1","5","1") = "9"
    & skf18("10","4","7","1","1","6","1") = "9"
    & skf18("10","4","7","1","1","7","1") = "9"
    & skf18("10","4","7","1","1","8","1") = "9"
    & skf18("10","4","7","1","1","9","1") = "9"
    & skf18("10","4","7","1","1","10","1") = "9"
    & skf18("10","4","7","1","2","1","1") = "9"
    & skf18("10","4","7","1","2","2","1") = "9"
    & skf18("10","4","7","1","2","3","1") = "9"
    & skf18("10","4","7","1","2","4","1") = "9"
    & skf18("10","4","7","1","2","5","1") = "9"
    & skf18("10","4","7","1","2","6","1") = "9"
    & skf18("10","4","7","1","2","7","1") = "9"
    & skf18("10","4","7","1","2","8","1") = "9"
    & skf18("10","4","7","1","2","9","1") = "9"
    & skf18("10","4","7","1","2","10","1") = "9"
    & skf18("10","4","7","1","3","1","1") = "9"
    & skf18("10","4","7","1","3","2","1") = "9"
    & skf18("10","4","7","1","3","3","1") = "9"
    & skf18("10","4","7","1","3","4","1") = "9"
    & skf18("10","4","7","1","3","5","1") = "9"
    & skf18("10","4","7","1","3","6","1") = "9"
    & skf18("10","4","7","1","3","7","1") = "9"
    & skf18("10","4","7","1","3","8","1") = "9"
    & skf18("10","4","7","1","3","9","1") = "9"
    & skf18("10","4","7","1","3","10","1") = "9"
    & skf18("10","4","7","1","4","1","1") = "9"
    & skf18("10","4","7","1","4","2","1") = "9"
    & skf18("10","4","7","1","4","3","1") = "9"
    & skf18("10","4","7","1","4","4","1") = "9"
    & skf18("10","4","7","1","4","5","1") = "9"
    & skf18("10","4","7","1","4","6","1") = "9"
    & skf18("10","4","7","1","4","7","1") = "9"
    & skf18("10","4","7","1","4","8","1") = "9"
    & skf18("10","4","7","1","4","9","1") = "9"
    & skf18("10","4","7","1","4","10","1") = "9"
    & skf18("10","4","7","1","5","1","1") = "9"
    & skf18("10","4","7","1","5","2","1") = "9"
    & skf18("10","4","7","1","5","3","1") = "9"
    & skf18("10","4","7","1","5","4","1") = "9"
    & skf18("10","4","7","1","5","5","1") = "9"
    & skf18("10","4","7","1","5","6","1") = "9"
    & skf18("10","4","7","1","5","7","1") = "9"
    & skf18("10","4","7","1","5","8","1") = "9"
    & skf18("10","4","7","1","5","9","1") = "9"
    & skf18("10","4","7","1","5","10","1") = "9"
    & skf18("10","4","7","1","6","1","1") = "9"
    & skf18("10","4","7","1","6","2","1") = "9"
    & skf18("10","4","7","1","6","3","1") = "9"
    & skf18("10","4","7","1","6","4","1") = "9"
    & skf18("10","4","7","1","6","5","1") = "9"
    & skf18("10","4","7","1","6","6","1") = "9"
    & skf18("10","4","7","1","6","7","1") = "9"
    & skf18("10","4","7","1","6","8","1") = "9"
    & skf18("10","4","7","1","6","9","1") = "9"
    & skf18("10","4","7","1","6","10","1") = "9"
    & skf18("10","4","7","1","7","1","1") = "9"
    & skf18("10","4","7","1","7","2","1") = "9"
    & skf18("10","4","7","1","7","3","1") = "9"
    & skf18("10","4","7","1","7","4","1") = "9"
    & skf18("10","4","7","1","7","5","1") = "9"
    & skf18("10","4","7","1","7","6","1") = "9"
    & skf18("10","4","7","1","7","7","1") = "9"
    & skf18("10","4","7","1","7","8","1") = "9"
    & skf18("10","4","7","1","7","9","1") = "9"
    & skf18("10","4","7","1","7","10","1") = "9"
    & skf18("10","4","7","1","8","1","1") = "9"
    & skf18("10","4","7","1","8","2","1") = "9"
    & skf18("10","4","7","1","8","3","1") = "9"
    & skf18("10","4","7","1","8","4","1") = "9"
    & skf18("10","4","7","1","8","5","1") = "9"
    & skf18("10","4","7","1","8","6","1") = "9"
    & skf18("10","4","7","1","8","7","1") = "9"
    & skf18("10","4","7","1","8","8","1") = "9"
    & skf18("10","4","7","1","8","9","1") = "9"
    & skf18("10","4","7","1","8","10","1") = "9"
    & skf18("10","4","7","1","9","1","1") = "9"
    & skf18("10","4","7","1","9","2","1") = "9"
    & skf18("10","4","7","1","9","3","1") = "9"
    & skf18("10","4","7","1","9","4","1") = "9"
    & skf18("10","4","7","1","9","5","1") = "9"
    & skf18("10","4","7","1","9","6","1") = "9"
    & skf18("10","4","7","1","9","7","1") = "9"
    & skf18("10","4","7","1","9","8","1") = "9"
    & skf18("10","4","7","1","9","9","1") = "9"
    & skf18("10","4","7","1","9","10","1") = "9"
    & skf18("10","4","7","1","10","1","1") = "9"
    & skf18("10","4","7","1","10","2","1") = "9"
    & skf18("10","4","7","1","10","3","1") = "9"
    & skf18("10","4","7","1","10","4","1") = "9"
    & skf18("10","4","7","1","10","5","1") = "9"
    & skf18("10","4","7","1","10","6","1") = "9"
    & skf18("10","4","7","1","10","7","1") = "9"
    & skf18("10","4","7","1","10","8","1") = "9"
    & skf18("10","4","7","1","10","9","1") = "9"
    & skf18("10","4","7","1","10","10","1") = "9"
    & skf18("10","4","7","2","1","1","1") = "9"
    & skf18("10","4","7","2","1","2","1") = "9"
    & skf18("10","4","7","2","1","3","1") = "9"
    & skf18("10","4","7","2","1","4","1") = "9"
    & skf18("10","4","7","2","1","5","1") = "9"
    & skf18("10","4","7","2","1","6","1") = "9"
    & skf18("10","4","7","2","1","7","1") = "9"
    & skf18("10","4","7","2","1","8","1") = "9"
    & skf18("10","4","7","2","1","9","1") = "9"
    & skf18("10","4","7","2","1","10","1") = "9"
    & skf18("10","4","7","2","2","1","1") = "9"
    & skf18("10","4","7","2","2","2","1") = "9"
    & skf18("10","4","7","2","2","3","1") = "9"
    & skf18("10","4","7","2","2","4","1") = "9"
    & skf18("10","4","7","2","2","5","1") = "9"
    & skf18("10","4","7","2","2","6","1") = "9"
    & skf18("10","4","7","2","2","7","1") = "9"
    & skf18("10","4","7","2","2","8","1") = "9"
    & skf18("10","4","7","2","2","9","1") = "9"
    & skf18("10","4","7","2","2","10","1") = "9"
    & skf18("10","4","7","2","3","1","1") = "9"
    & skf18("10","4","7","2","3","2","1") = "9"
    & skf18("10","4","7","2","3","3","1") = "9"
    & skf18("10","4","7","2","3","4","1") = "9"
    & skf18("10","4","7","2","3","5","1") = "9"
    & skf18("10","4","7","2","3","6","1") = "9"
    & skf18("10","4","7","2","3","7","1") = "9"
    & skf18("10","4","7","2","3","8","1") = "9"
    & skf18("10","4","7","2","3","9","1") = "9"
    & skf18("10","4","7","2","3","10","1") = "9"
    & skf18("10","4","7","2","4","1","1") = "9"
    & skf18("10","4","7","2","4","2","1") = "9"
    & skf18("10","4","7","2","4","3","1") = "9"
    & skf18("10","4","7","2","4","4","1") = "9"
    & skf18("10","4","7","2","4","5","1") = "9"
    & skf18("10","4","7","2","4","6","1") = "9"
    & skf18("10","4","7","2","4","7","1") = "9"
    & skf18("10","4","7","2","4","8","1") = "9"
    & skf18("10","4","7","2","4","9","1") = "9"
    & skf18("10","4","7","2","4","10","1") = "9"
    & skf18("10","4","7","2","5","1","1") = "9"
    & skf18("10","4","7","2","5","2","1") = "9"
    & skf18("10","4","7","2","5","3","1") = "9"
    & skf18("10","4","7","2","5","4","1") = "9"
    & skf18("10","4","7","2","5","5","1") = "9"
    & skf18("10","4","7","2","5","6","1") = "9"
    & skf18("10","4","7","2","5","7","1") = "9"
    & skf18("10","4","7","2","5","8","1") = "9"
    & skf18("10","4","7","2","5","9","1") = "9"
    & skf18("10","4","7","2","5","10","1") = "9"
    & skf18("10","4","7","2","6","1","1") = "9"
    & skf18("10","4","7","2","6","2","1") = "9"
    & skf18("10","4","7","2","6","3","1") = "9"
    & skf18("10","4","7","2","6","4","1") = "9"
    & skf18("10","4","7","2","6","5","1") = "9"
    & skf18("10","4","7","2","6","6","1") = "9"
    & skf18("10","4","7","2","6","7","1") = "9"
    & skf18("10","4","7","2","6","8","1") = "9"
    & skf18("10","4","7","2","6","9","1") = "9"
    & skf18("10","4","7","2","6","10","1") = "9"
    & skf18("10","4","7","2","7","1","1") = "9"
    & skf18("10","4","7","2","7","2","1") = "9"
    & skf18("10","4","7","2","7","3","1") = "9"
    & skf18("10","4","7","2","7","4","1") = "9"
    & skf18("10","4","7","2","7","5","1") = "9"
    & skf18("10","4","7","2","7","6","1") = "9"
    & skf18("10","4","7","2","7","7","1") = "9"
    & skf18("10","4","7","2","7","8","1") = "9"
    & skf18("10","4","7","2","7","9","1") = "9"
    & skf18("10","4","7","2","7","10","1") = "9"
    & skf18("10","4","7","2","8","1","1") = "9"
    & skf18("10","4","7","2","8","2","1") = "9"
    & skf18("10","4","7","2","8","3","1") = "9"
    & skf18("10","4","7","2","8","4","1") = "9"
    & skf18("10","4","7","2","8","5","1") = "9"
    & skf18("10","4","7","2","8","6","1") = "9"
    & skf18("10","4","7","2","8","7","1") = "9"
    & skf18("10","4","7","2","8","8","1") = "9"
    & skf18("10","4","7","2","8","9","1") = "9"
    & skf18("10","4","7","2","8","10","1") = "9"
    & skf18("10","4","7","2","9","1","1") = "9"
    & skf18("10","4","7","2","9","2","1") = "9"
    & skf18("10","4","7","2","9","3","1") = "9"
    & skf18("10","4","7","2","9","4","1") = "9"
    & skf18("10","4","7","2","9","5","1") = "9"
    & skf18("10","4","7","2","9","6","1") = "9"
    & skf18("10","4","7","2","9","7","1") = "9"
    & skf18("10","4","7","2","9","8","1") = "9"
    & skf18("10","4","7","2","9","9","1") = "9"
    & skf18("10","4","7","2","9","10","1") = "9"
    & skf18("10","4","7","2","10","1","1") = "9"
    & skf18("10","4","7","2","10","2","1") = "9"
    & skf18("10","4","7","2","10","3","1") = "9"
    & skf18("10","4","7","2","10","4","1") = "9"
    & skf18("10","4","7","2","10","5","1") = "9"
    & skf18("10","4","7","2","10","6","1") = "9"
    & skf18("10","4","7","2","10","7","1") = "9"
    & skf18("10","4","7","2","10","8","1") = "9"
    & skf18("10","4","7","2","10","9","1") = "9"
    & skf18("10","4","7","2","10","10","1") = "9"
    & skf18("10","4","7","3","1","1","1") = "9"
    & skf18("10","4","7","3","1","2","1") = "9"
    & skf18("10","4","7","3","1","3","1") = "9"
    & skf18("10","4","7","3","1","4","1") = "9"
    & skf18("10","4","7","3","1","5","1") = "9"
    & skf18("10","4","7","3","1","6","1") = "9"
    & skf18("10","4","7","3","1","7","1") = "9"
    & skf18("10","4","7","3","1","8","1") = "9"
    & skf18("10","4","7","3","1","9","1") = "9"
    & skf18("10","4","7","3","1","10","1") = "9"
    & skf18("10","4","7","3","2","1","1") = "9"
    & skf18("10","4","7","3","2","2","1") = "9"
    & skf18("10","4","7","3","2","3","1") = "9"
    & skf18("10","4","7","3","2","4","1") = "9"
    & skf18("10","4","7","3","2","5","1") = "9"
    & skf18("10","4","7","3","2","6","1") = "9"
    & skf18("10","4","7","3","2","7","1") = "9"
    & skf18("10","4","7","3","2","8","1") = "9"
    & skf18("10","4","7","3","2","9","1") = "9"
    & skf18("10","4","7","3","2","10","1") = "9"
    & skf18("10","4","7","3","3","1","1") = "9"
    & skf18("10","4","7","3","3","2","1") = "9"
    & skf18("10","4","7","3","3","3","1") = "9"
    & skf18("10","4","7","3","3","4","1") = "9"
    & skf18("10","4","7","3","3","5","1") = "9"
    & skf18("10","4","7","3","3","6","1") = "9"
    & skf18("10","4","7","3","3","7","1") = "9"
    & skf18("10","4","7","3","3","8","1") = "9"
    & skf18("10","4","7","3","3","9","1") = "9"
    & skf18("10","4","7","3","3","10","1") = "9"
    & skf18("10","4","7","3","4","1","1") = "9"
    & skf18("10","4","7","3","4","2","1") = "9"
    & skf18("10","4","7","3","4","3","1") = "9"
    & skf18("10","4","7","3","4","4","1") = "9"
    & skf18("10","4","7","3","4","5","1") = "9"
    & skf18("10","4","7","3","4","6","1") = "9"
    & skf18("10","4","7","3","4","7","1") = "9"
    & skf18("10","4","7","3","4","8","1") = "9"
    & skf18("10","4","7","3","4","9","1") = "9"
    & skf18("10","4","7","3","4","10","1") = "9"
    & skf18("10","4","7","3","5","1","1") = "9"
    & skf18("10","4","7","3","5","2","1") = "9"
    & skf18("10","4","7","3","5","3","1") = "9"
    & skf18("10","4","7","3","5","4","1") = "9"
    & skf18("10","4","7","3","5","5","1") = "9"
    & skf18("10","4","7","3","5","6","1") = "9"
    & skf18("10","4","7","3","5","7","1") = "9"
    & skf18("10","4","7","3","5","8","1") = "9"
    & skf18("10","4","7","3","5","9","1") = "9"
    & skf18("10","4","7","3","5","10","1") = "9"
    & skf18("10","4","7","3","6","1","1") = "9"
    & skf18("10","4","7","3","6","2","1") = "9"
    & skf18("10","4","7","3","6","3","1") = "9"
    & skf18("10","4","7","3","6","4","1") = "9"
    & skf18("10","4","7","3","6","5","1") = "9"
    & skf18("10","4","7","3","6","6","1") = "9"
    & skf18("10","4","7","3","6","7","1") = "9"
    & skf18("10","4","7","3","6","8","1") = "9"
    & skf18("10","4","7","3","6","9","1") = "9"
    & skf18("10","4","7","3","6","10","1") = "9"
    & skf18("10","4","7","3","7","1","1") = "9"
    & skf18("10","4","7","3","7","2","1") = "9"
    & skf18("10","4","7","3","7","3","1") = "9"
    & skf18("10","4","7","3","7","4","1") = "9"
    & skf18("10","4","7","3","7","5","1") = "9"
    & skf18("10","4","7","3","7","6","1") = "9"
    & skf18("10","4","7","3","7","7","1") = "9"
    & skf18("10","4","7","3","7","8","1") = "9"
    & skf18("10","4","7","3","7","9","1") = "9"
    & skf18("10","4","7","3","7","10","1") = "9"
    & skf18("10","4","7","3","8","1","1") = "9"
    & skf18("10","4","7","3","8","2","1") = "9"
    & skf18("10","4","7","3","8","3","1") = "9"
    & skf18("10","4","7","3","8","4","1") = "9"
    & skf18("10","4","7","3","8","5","1") = "9"
    & skf18("10","4","7","3","8","6","1") = "9"
    & skf18("10","4","7","3","8","7","1") = "9"
    & skf18("10","4","7","3","8","8","1") = "9"
    & skf18("10","4","7","3","8","9","1") = "9"
    & skf18("10","4","7","3","8","10","1") = "9"
    & skf18("10","4","7","3","9","1","1") = "9"
    & skf18("10","4","7","3","9","2","1") = "9"
    & skf18("10","4","7","3","9","3","1") = "9"
    & skf18("10","4","7","3","9","4","1") = "9"
    & skf18("10","4","7","3","9","5","1") = "9"
    & skf18("10","4","7","3","9","6","1") = "9"
    & skf18("10","4","7","3","9","7","1") = "9"
    & skf18("10","4","7","3","9","8","1") = "9"
    & skf18("10","4","7","3","9","9","1") = "9"
    & skf18("10","4","7","3","9","10","1") = "9"
    & skf18("10","4","7","3","10","1","1") = "9"
    & skf18("10","4","7","3","10","2","1") = "9"
    & skf18("10","4","7","3","10","3","1") = "9"
    & skf18("10","4","7","3","10","4","1") = "9"
    & skf18("10","4","7","3","10","5","1") = "9"
    & skf18("10","4","7","3","10","6","1") = "9"
    & skf18("10","4","7","3","10","7","1") = "9"
    & skf18("10","4","7","3","10","8","1") = "9"
    & skf18("10","4","7","3","10","9","1") = "9"
    & skf18("10","4","7","3","10","10","1") = "9"
    & skf18("10","4","7","4","1","1","1") = "9"
    & skf18("10","4","7","4","1","2","1") = "9"
    & skf18("10","4","7","4","1","3","1") = "9"
    & skf18("10","4","7","4","1","4","1") = "9"
    & skf18("10","4","7","4","1","5","1") = "9"
    & skf18("10","4","7","4","1","6","1") = "9"
    & skf18("10","4","7","4","1","7","1") = "9"
    & skf18("10","4","7","4","1","8","1") = "9"
    & skf18("10","4","7","4","1","9","1") = "9"
    & skf18("10","4","7","4","1","10","1") = "9"
    & skf18("10","4","7","4","2","1","1") = "9"
    & skf18("10","4","7","4","2","2","1") = "9"
    & skf18("10","4","7","4","2","3","1") = "9"
    & skf18("10","4","7","4","2","4","1") = "9"
    & skf18("10","4","7","4","2","5","1") = "9"
    & skf18("10","4","7","4","2","6","1") = "9"
    & skf18("10","4","7","4","2","7","1") = "9"
    & skf18("10","4","7","4","2","8","1") = "9"
    & skf18("10","4","7","4","2","9","1") = "9"
    & skf18("10","4","7","4","2","10","1") = "9"
    & skf18("10","4","7","4","3","1","1") = "9"
    & skf18("10","4","7","4","3","2","1") = "9"
    & skf18("10","4","7","4","3","3","1") = "9"
    & skf18("10","4","7","4","3","4","1") = "9"
    & skf18("10","4","7","4","3","5","1") = "9"
    & skf18("10","4","7","4","3","6","1") = "9"
    & skf18("10","4","7","4","3","7","1") = "9"
    & skf18("10","4","7","4","3","8","1") = "9"
    & skf18("10","4","7","4","3","9","1") = "9"
    & skf18("10","4","7","4","3","10","1") = "9"
    & skf18("10","4","7","4","4","1","1") = "9"
    & skf18("10","4","7","4","4","2","1") = "9"
    & skf18("10","4","7","4","4","3","1") = "9"
    & skf18("10","4","7","4","4","4","1") = "9"
    & skf18("10","4","7","4","4","5","1") = "9"
    & skf18("10","4","7","4","4","6","1") = "9"
    & skf18("10","4","7","4","4","7","1") = "9"
    & skf18("10","4","7","4","4","8","1") = "9"
    & skf18("10","4","7","4","4","9","1") = "9"
    & skf18("10","4","7","4","4","10","1") = "9"
    & skf18("10","4","7","4","5","1","1") = "9"
    & skf18("10","4","7","4","5","2","1") = "9"
    & skf18("10","4","7","4","5","3","1") = "9"
    & skf18("10","4","7","4","5","4","1") = "9"
    & skf18("10","4","7","4","5","5","1") = "9"
    & skf18("10","4","7","4","5","6","1") = "9"
    & skf18("10","4","7","4","5","7","1") = "9"
    & skf18("10","4","7","4","5","8","1") = "9"
    & skf18("10","4","7","4","5","9","1") = "9"
    & skf18("10","4","7","4","5","10","1") = "9"
    & skf18("10","4","7","4","6","1","1") = "9"
    & skf18("10","4","7","4","6","2","1") = "9"
    & skf18("10","4","7","4","6","3","1") = "9"
    & skf18("10","4","7","4","6","4","1") = "9"
    & skf18("10","4","7","4","6","5","1") = "9"
    & skf18("10","4","7","4","6","6","1") = "9"
    & skf18("10","4","7","4","6","7","1") = "9"
    & skf18("10","4","7","4","6","8","1") = "9"
    & skf18("10","4","7","4","6","9","1") = "9"
    & skf18("10","4","7","4","6","10","1") = "9"
    & skf18("10","4","7","4","7","1","1") = "9"
    & skf18("10","4","7","4","7","2","1") = "9"
    & skf18("10","4","7","4","7","3","1") = "9"
    & skf18("10","4","7","4","7","4","1") = "9"
    & skf18("10","4","7","4","7","5","1") = "9"
    & skf18("10","4","7","4","7","6","1") = "9"
    & skf18("10","4","7","4","7","7","1") = "9"
    & skf18("10","4","7","4","7","8","1") = "9"
    & skf18("10","4","7","4","7","9","1") = "9"
    & skf18("10","4","7","4","7","10","1") = "9"
    & skf18("10","4","7","4","8","1","1") = "9"
    & skf18("10","4","7","4","8","2","1") = "9"
    & skf18("10","4","7","4","8","3","1") = "9"
    & skf18("10","4","7","4","8","4","1") = "9"
    & skf18("10","4","7","4","8","5","1") = "9"
    & skf18("10","4","7","4","8","6","1") = "9"
    & skf18("10","4","7","4","8","7","1") = "9"
    & skf18("10","4","7","4","8","8","1") = "9"
    & skf18("10","4","7","4","8","9","1") = "9"
    & skf18("10","4","7","4","8","10","1") = "9"
    & skf18("10","4","7","4","9","1","1") = "9"
    & skf18("10","4","7","4","9","2","1") = "9"
    & skf18("10","4","7","4","9","3","1") = "9"
    & skf18("10","4","7","4","9","4","1") = "9"
    & skf18("10","4","7","4","9","5","1") = "9"
    & skf18("10","4","7","4","9","6","1") = "9"
    & skf18("10","4","7","4","9","7","1") = "9"
    & skf18("10","4","7","4","9","8","1") = "9"
    & skf18("10","4","7","4","9","9","1") = "9"
    & skf18("10","4","7","4","9","10","1") = "9"
    & skf18("10","4","7","4","10","1","1") = "9"
    & skf18("10","4","7","4","10","2","1") = "9"
    & skf18("10","4","7","4","10","3","1") = "9"
    & skf18("10","4","7","4","10","4","1") = "9"
    & skf18("10","4","7","4","10","5","1") = "9"
    & skf18("10","4","7","4","10","6","1") = "9"
    & skf18("10","4","7","4","10","7","1") = "9"
    & skf18("10","4","7","4","10","8","1") = "9"
    & skf18("10","4","7","4","10","9","1") = "9"
    & skf18("10","4","7","4","10","10","1") = "9"
    & skf18("10","4","7","5","1","1","1") = "9"
    & skf18("10","4","7","5","1","2","1") = "9"
    & skf18("10","4","7","5","1","3","1") = "9"
    & skf18("10","4","7","5","1","4","1") = "9"
    & skf18("10","4","7","5","1","5","1") = "9"
    & skf18("10","4","7","5","1","6","1") = "9"
    & skf18("10","4","7","5","1","7","1") = "9"
    & skf18("10","4","7","5","1","8","1") = "9"
    & skf18("10","4","7","5","1","9","1") = "9"
    & skf18("10","4","7","5","1","10","1") = "9"
    & skf18("10","4","7","5","2","1","1") = "9"
    & skf18("10","4","7","5","2","2","1") = "9"
    & skf18("10","4","7","5","2","3","1") = "9"
    & skf18("10","4","7","5","2","4","1") = "9"
    & skf18("10","4","7","5","2","5","1") = "9"
    & skf18("10","4","7","5","2","6","1") = "9"
    & skf18("10","4","7","5","2","7","1") = "9"
    & skf18("10","4","7","5","2","8","1") = "9"
    & skf18("10","4","7","5","2","9","1") = "9"
    & skf18("10","4","7","5","2","10","1") = "9"
    & skf18("10","4","7","5","3","1","1") = "9"
    & skf18("10","4","7","5","3","2","1") = "9"
    & skf18("10","4","7","5","3","3","1") = "9"
    & skf18("10","4","7","5","3","4","1") = "9"
    & skf18("10","4","7","5","3","5","1") = "9"
    & skf18("10","4","7","5","3","6","1") = "9"
    & skf18("10","4","7","5","3","7","1") = "9"
    & skf18("10","4","7","5","3","8","1") = "9"
    & skf18("10","4","7","5","3","9","1") = "9"
    & skf18("10","4","7","5","3","10","1") = "9"
    & skf18("10","4","7","5","4","1","1") = "9"
    & skf18("10","4","7","5","4","2","1") = "9"
    & skf18("10","4","7","5","4","3","1") = "9"
    & skf18("10","4","7","5","4","4","1") = "9"
    & skf18("10","4","7","5","4","5","1") = "9"
    & skf18("10","4","7","5","4","6","1") = "9"
    & skf18("10","4","7","5","4","7","1") = "9"
    & skf18("10","4","7","5","4","8","1") = "9"
    & skf18("10","4","7","5","4","9","1") = "9"
    & skf18("10","4","7","5","4","10","1") = "9"
    & skf18("10","4","7","5","5","1","1") = "9"
    & skf18("10","4","7","5","5","2","1") = "9"
    & skf18("10","4","7","5","5","3","1") = "9"
    & skf18("10","4","7","5","5","4","1") = "9"
    & skf18("10","4","7","5","5","5","1") = "9"
    & skf18("10","4","7","5","5","6","1") = "9"
    & skf18("10","4","7","5","5","7","1") = "9"
    & skf18("10","4","7","5","5","8","1") = "9"
    & skf18("10","4","7","5","5","9","1") = "9"
    & skf18("10","4","7","5","5","10","1") = "9"
    & skf18("10","4","7","5","6","1","1") = "9"
    & skf18("10","4","7","5","6","2","1") = "9"
    & skf18("10","4","7","5","6","3","1") = "9"
    & skf18("10","4","7","5","6","4","1") = "9"
    & skf18("10","4","7","5","6","5","1") = "9"
    & skf18("10","4","7","5","6","6","1") = "9"
    & skf18("10","4","7","5","6","7","1") = "9"
    & skf18("10","4","7","5","6","8","1") = "9"
    & skf18("10","4","7","5","6","9","1") = "9"
    & skf18("10","4","7","5","6","10","1") = "9"
    & skf18("10","4","7","5","7","1","1") = "9"
    & skf18("10","4","7","5","7","2","1") = "9"
    & skf18("10","4","7","5","7","3","1") = "9"
    & skf18("10","4","7","5","7","4","1") = "9"
    & skf18("10","4","7","5","7","5","1") = "9"
    & skf18("10","4","7","5","7","6","1") = "9"
    & skf18("10","4","7","5","7","7","1") = "9"
    & skf18("10","4","7","5","7","8","1") = "9"
    & skf18("10","4","7","5","7","9","1") = "9"
    & skf18("10","4","7","5","7","10","1") = "9"
    & skf18("10","4","7","5","8","1","1") = "9"
    & skf18("10","4","7","5","8","2","1") = "9"
    & skf18("10","4","7","5","8","3","1") = "9"
    & skf18("10","4","7","5","8","4","1") = "9"
    & skf18("10","4","7","5","8","5","1") = "9"
    & skf18("10","4","7","5","8","6","1") = "9"
    & skf18("10","4","7","5","8","7","1") = "9"
    & skf18("10","4","7","5","8","8","1") = "9"
    & skf18("10","4","7","5","8","9","1") = "9"
    & skf18("10","4","7","5","8","10","1") = "9"
    & skf18("10","4","7","5","9","1","1") = "9"
    & skf18("10","4","7","5","9","2","1") = "9"
    & skf18("10","4","7","5","9","3","1") = "9"
    & skf18("10","4","7","5","9","4","1") = "9"
    & skf18("10","4","7","5","9","5","1") = "9"
    & skf18("10","4","7","5","9","6","1") = "9"
    & skf18("10","4","7","5","9","7","1") = "9"
    & skf18("10","4","7","5","9","8","1") = "9"
    & skf18("10","4","7","5","9","9","1") = "9"
    & skf18("10","4","7","5","9","10","1") = "9"
    & skf18("10","4","7","5","10","1","1") = "9"
    & skf18("10","4","7","5","10","2","1") = "9"
    & skf18("10","4","7","5","10","3","1") = "9"
    & skf18("10","4","7","5","10","4","1") = "9"
    & skf18("10","4","7","5","10","5","1") = "9"
    & skf18("10","4","7","5","10","6","1") = "9"
    & skf18("10","4","7","5","10","7","1") = "9"
    & skf18("10","4","7","5","10","8","1") = "9"
    & skf18("10","4","7","5","10","9","1") = "9"
    & skf18("10","4","7","5","10","10","1") = "9"
    & skf18("10","4","7","6","1","1","1") = "9"
    & skf18("10","4","7","6","1","2","1") = "9"
    & skf18("10","4","7","6","1","3","1") = "9"
    & skf18("10","4","7","6","1","4","1") = "9"
    & skf18("10","4","7","6","1","5","1") = "9"
    & skf18("10","4","7","6","1","6","1") = "9"
    & skf18("10","4","7","6","1","7","1") = "9"
    & skf18("10","4","7","6","1","8","1") = "9"
    & skf18("10","4","7","6","1","9","1") = "9"
    & skf18("10","4","7","6","1","10","1") = "9"
    & skf18("10","4","7","6","2","1","1") = "9"
    & skf18("10","4","7","6","2","2","1") = "9"
    & skf18("10","4","7","6","2","3","1") = "9"
    & skf18("10","4","7","6","2","4","1") = "9"
    & skf18("10","4","7","6","2","5","1") = "9"
    & skf18("10","4","7","6","2","6","1") = "9"
    & skf18("10","4","7","6","2","7","1") = "9"
    & skf18("10","4","7","6","2","8","1") = "9"
    & skf18("10","4","7","6","2","9","1") = "9"
    & skf18("10","4","7","6","2","10","1") = "9"
    & skf18("10","4","7","6","3","1","1") = "9"
    & skf18("10","4","7","6","3","2","1") = "9"
    & skf18("10","4","7","6","3","3","1") = "9"
    & skf18("10","4","7","6","3","4","1") = "9"
    & skf18("10","4","7","6","3","5","1") = "9"
    & skf18("10","4","7","6","3","6","1") = "9"
    & skf18("10","4","7","6","3","7","1") = "9"
    & skf18("10","4","7","6","3","8","1") = "9"
    & skf18("10","4","7","6","3","9","1") = "9"
    & skf18("10","4","7","6","3","10","1") = "9"
    & skf18("10","4","7","6","4","1","1") = "9"
    & skf18("10","4","7","6","4","2","1") = "9"
    & skf18("10","4","7","6","4","3","1") = "9"
    & skf18("10","4","7","6","4","4","1") = "9"
    & skf18("10","4","7","6","4","5","1") = "9"
    & skf18("10","4","7","6","4","6","1") = "9"
    & skf18("10","4","7","6","4","7","1") = "9"
    & skf18("10","4","7","6","4","8","1") = "9"
    & skf18("10","4","7","6","4","9","1") = "9"
    & skf18("10","4","7","6","4","10","1") = "9"
    & skf18("10","4","7","6","5","1","1") = "9"
    & skf18("10","4","7","6","5","2","1") = "9"
    & skf18("10","4","7","6","5","3","1") = "9"
    & skf18("10","4","7","6","5","4","1") = "9"
    & skf18("10","4","7","6","5","5","1") = "9"
    & skf18("10","4","7","6","5","6","1") = "9"
    & skf18("10","4","7","6","5","7","1") = "9"
    & skf18("10","4","7","6","5","8","1") = "9"
    & skf18("10","4","7","6","5","9","1") = "9"
    & skf18("10","4","7","6","5","10","1") = "9"
    & skf18("10","4","7","6","6","1","1") = "9"
    & skf18("10","4","7","6","6","2","1") = "9"
    & skf18("10","4","7","6","6","3","1") = "9"
    & skf18("10","4","7","6","6","4","1") = "9"
    & skf18("10","4","7","6","6","5","1") = "9"
    & skf18("10","4","7","6","6","6","1") = "9"
    & skf18("10","4","7","6","6","7","1") = "9"
    & skf18("10","4","7","6","6","8","1") = "9"
    & skf18("10","4","7","6","6","9","1") = "9"
    & skf18("10","4","7","6","6","10","1") = "9"
    & skf18("10","4","7","6","7","1","1") = "9"
    & skf18("10","4","7","6","7","2","1") = "9"
    & skf18("10","4","7","6","7","3","1") = "9"
    & skf18("10","4","7","6","7","4","1") = "9"
    & skf18("10","4","7","6","7","5","1") = "9"
    & skf18("10","4","7","6","7","6","1") = "9"
    & skf18("10","4","7","6","7","7","1") = "9"
    & skf18("10","4","7","6","7","8","1") = "9"
    & skf18("10","4","7","6","7","9","1") = "9"
    & skf18("10","4","7","6","7","10","1") = "9"
    & skf18("10","4","7","6","8","1","1") = "9"
    & skf18("10","4","7","6","8","2","1") = "9"
    & skf18("10","4","7","6","8","3","1") = "9"
    & skf18("10","4","7","6","8","4","1") = "9"
    & skf18("10","4","7","6","8","5","1") = "9"
    & skf18("10","4","7","6","8","6","1") = "9"
    & skf18("10","4","7","6","8","7","1") = "9"
    & skf18("10","4","7","6","8","8","1") = "9"
    & skf18("10","4","7","6","8","9","1") = "9"
    & skf18("10","4","7","6","8","10","1") = "9"
    & skf18("10","4","7","6","9","1","1") = "9"
    & skf18("10","4","7","6","9","2","1") = "9"
    & skf18("10","4","7","6","9","3","1") = "9"
    & skf18("10","4","7","6","9","4","1") = "9"
    & skf18("10","4","7","6","9","5","1") = "9"
    & skf18("10","4","7","6","9","6","1") = "9"
    & skf18("10","4","7","6","9","7","1") = "9"
    & skf18("10","4","7","6","9","8","1") = "9"
    & skf18("10","4","7","6","9","9","1") = "9"
    & skf18("10","4","7","6","9","10","1") = "9"
    & skf18("10","4","7","6","10","1","1") = "9"
    & skf18("10","4","7","6","10","2","1") = "9"
    & skf18("10","4","7","6","10","3","1") = "9"
    & skf18("10","4","7","6","10","4","1") = "9"
    & skf18("10","4","7","6","10","5","1") = "9"
    & skf18("10","4","7","6","10","6","1") = "9"
    & skf18("10","4","7","6","10","7","1") = "9"
    & skf18("10","4","7","6","10","8","1") = "9"
    & skf18("10","4","7","6","10","9","1") = "9"
    & skf18("10","4","7","6","10","10","1") = "9"
    & skf18("10","4","7","7","1","1","1") = "9"
    & skf18("10","4","7","7","1","2","1") = "9"
    & skf18("10","4","7","7","1","3","1") = "9"
    & skf18("10","4","7","7","1","4","1") = "9"
    & skf18("10","4","7","7","1","5","1") = "9"
    & skf18("10","4","7","7","1","6","1") = "9"
    & skf18("10","4","7","7","1","7","1") = "9"
    & skf18("10","4","7","7","1","8","1") = "9"
    & skf18("10","4","7","7","1","9","1") = "9"
    & skf18("10","4","7","7","1","10","1") = "9"
    & skf18("10","4","7","7","2","1","1") = "9"
    & skf18("10","4","7","7","2","2","1") = "9"
    & skf18("10","4","7","7","2","3","1") = "9"
    & skf18("10","4","7","7","2","4","1") = "9"
    & skf18("10","4","7","7","2","5","1") = "9"
    & skf18("10","4","7","7","2","6","1") = "9"
    & skf18("10","4","7","7","2","7","1") = "9"
    & skf18("10","4","7","7","2","8","1") = "9"
    & skf18("10","4","7","7","2","9","1") = "9"
    & skf18("10","4","7","7","2","10","1") = "9"
    & skf18("10","4","7","7","3","1","1") = "9"
    & skf18("10","4","7","7","3","2","1") = "9"
    & skf18("10","4","7","7","3","3","1") = "9"
    & skf18("10","4","7","7","3","4","1") = "9"
    & skf18("10","4","7","7","3","5","1") = "9"
    & skf18("10","4","7","7","3","6","1") = "9"
    & skf18("10","4","7","7","3","7","1") = "9"
    & skf18("10","4","7","7","3","8","1") = "9"
    & skf18("10","4","7","7","3","9","1") = "9"
    & skf18("10","4","7","7","3","10","1") = "9"
    & skf18("10","4","7","7","4","1","1") = "9"
    & skf18("10","4","7","7","4","2","1") = "9"
    & skf18("10","4","7","7","4","3","1") = "9"
    & skf18("10","4","7","7","4","4","1") = "9"
    & skf18("10","4","7","7","4","5","1") = "9"
    & skf18("10","4","7","7","4","6","1") = "9"
    & skf18("10","4","7","7","4","7","1") = "9"
    & skf18("10","4","7","7","4","8","1") = "9"
    & skf18("10","4","7","7","4","9","1") = "9"
    & skf18("10","4","7","7","4","10","1") = "9"
    & skf18("10","4","7","7","5","1","1") = "9"
    & skf18("10","4","7","7","5","2","1") = "9"
    & skf18("10","4","7","7","5","3","1") = "9"
    & skf18("10","4","7","7","5","4","1") = "9"
    & skf18("10","4","7","7","5","5","1") = "9"
    & skf18("10","4","7","7","5","6","1") = "9"
    & skf18("10","4","7","7","5","7","1") = "9"
    & skf18("10","4","7","7","5","8","1") = "9"
    & skf18("10","4","7","7","5","9","1") = "9"
    & skf18("10","4","7","7","5","10","1") = "9"
    & skf18("10","4","7","7","6","1","1") = "9"
    & skf18("10","4","7","7","6","2","1") = "9"
    & skf18("10","4","7","7","6","3","1") = "9"
    & skf18("10","4","7","7","6","4","1") = "9"
    & skf18("10","4","7","7","6","5","1") = "9"
    & skf18("10","4","7","7","6","6","1") = "9"
    & skf18("10","4","7","7","6","7","1") = "9"
    & skf18("10","4","7","7","6","8","1") = "9"
    & skf18("10","4","7","7","6","9","1") = "9"
    & skf18("10","4","7","7","6","10","1") = "9"
    & skf18("10","4","7","7","7","1","1") = "9"
    & skf18("10","4","7","7","7","2","1") = "9"
    & skf18("10","4","7","7","7","3","1") = "9"
    & skf18("10","4","7","7","7","4","1") = "9"
    & skf18("10","4","7","7","7","5","1") = "9"
    & skf18("10","4","7","7","7","6","1") = "9"
    & skf18("10","4","7","7","7","7","1") = "9"
    & skf18("10","4","7","7","7","8","1") = "9"
    & skf18("10","4","7","7","7","9","1") = "9"
    & skf18("10","4","7","7","7","10","1") = "9"
    & skf18("10","4","7","7","8","1","1") = "9"
    & skf18("10","4","7","7","8","2","1") = "9"
    & skf18("10","4","7","7","8","3","1") = "9"
    & skf18("10","4","7","7","8","4","1") = "9"
    & skf18("10","4","7","7","8","5","1") = "9"
    & skf18("10","4","7","7","8","6","1") = "9"
    & skf18("10","4","7","7","8","7","1") = "9"
    & skf18("10","4","7","7","8","8","1") = "9"
    & skf18("10","4","7","7","8","9","1") = "9"
    & skf18("10","4","7","7","8","10","1") = "9"
    & skf18("10","4","7","7","9","1","1") = "9"
    & skf18("10","4","7","7","9","2","1") = "9"
    & skf18("10","4","7","7","9","3","1") = "9"
    & skf18("10","4","7","7","9","4","1") = "9"
    & skf18("10","4","7","7","9","5","1") = "9"
    & skf18("10","4","7","7","9","6","1") = "9"
    & skf18("10","4","7","7","9","7","1") = "9"
    & skf18("10","4","7","7","9","8","1") = "9"
    & skf18("10","4","7","7","9","9","1") = "9"
    & skf18("10","4","7","7","9","10","1") = "9"
    & skf18("10","4","7","7","10","1","1") = "9"
    & skf18("10","4","7","7","10","2","1") = "9"
    & skf18("10","4","7","7","10","3","1") = "9"
    & skf18("10","4","7","7","10","4","1") = "9"
    & skf18("10","4","7","7","10","5","1") = "9"
    & skf18("10","4","7","7","10","6","1") = "9"
    & skf18("10","4","7","7","10","7","1") = "9"
    & skf18("10","4","7","7","10","8","1") = "9"
    & skf18("10","4","7","7","10","9","1") = "9"
    & skf18("10","4","7","7","10","10","1") = "9"
    & skf18("10","4","7","8","1","1","1") = "9"
    & skf18("10","4","7","8","1","2","1") = "9"
    & skf18("10","4","7","8","1","3","1") = "9"
    & skf18("10","4","7","8","1","4","1") = "9"
    & skf18("10","4","7","8","1","5","1") = "9"
    & skf18("10","4","7","8","1","6","1") = "9"
    & skf18("10","4","7","8","1","7","1") = "9"
    & skf18("10","4","7","8","1","8","1") = "9"
    & skf18("10","4","7","8","1","9","1") = "9"
    & skf18("10","4","7","8","1","10","1") = "9"
    & skf18("10","4","7","8","2","1","1") = "9"
    & skf18("10","4","7","8","2","2","1") = "9"
    & skf18("10","4","7","8","2","3","1") = "9"
    & skf18("10","4","7","8","2","4","1") = "9"
    & skf18("10","4","7","8","2","5","1") = "9"
    & skf18("10","4","7","8","2","6","1") = "9"
    & skf18("10","4","7","8","2","7","1") = "9"
    & skf18("10","4","7","8","2","8","1") = "9"
    & skf18("10","4","7","8","2","9","1") = "9"
    & skf18("10","4","7","8","2","10","1") = "9"
    & skf18("10","4","7","8","3","1","1") = "9"
    & skf18("10","4","7","8","3","2","1") = "9"
    & skf18("10","4","7","8","3","3","1") = "9"
    & skf18("10","4","7","8","3","4","1") = "9"
    & skf18("10","4","7","8","3","5","1") = "9"
    & skf18("10","4","7","8","3","6","1") = "9"
    & skf18("10","4","7","8","3","7","1") = "9"
    & skf18("10","4","7","8","3","8","1") = "9"
    & skf18("10","4","7","8","3","9","1") = "9"
    & skf18("10","4","7","8","3","10","1") = "9"
    & skf18("10","4","7","8","4","1","1") = "9"
    & skf18("10","4","7","8","4","2","1") = "9"
    & skf18("10","4","7","8","4","3","1") = "9"
    & skf18("10","4","7","8","4","4","1") = "9"
    & skf18("10","4","7","8","4","5","1") = "9"
    & skf18("10","4","7","8","4","6","1") = "9"
    & skf18("10","4","7","8","4","7","1") = "9"
    & skf18("10","4","7","8","4","8","1") = "9"
    & skf18("10","4","7","8","4","9","1") = "9"
    & skf18("10","4","7","8","4","10","1") = "9"
    & skf18("10","4","7","8","5","1","1") = "9"
    & skf18("10","4","7","8","5","2","1") = "9"
    & skf18("10","4","7","8","5","3","1") = "9"
    & skf18("10","4","7","8","5","4","1") = "9"
    & skf18("10","4","7","8","5","5","1") = "9"
    & skf18("10","4","7","8","5","6","1") = "9"
    & skf18("10","4","7","8","5","7","1") = "9"
    & skf18("10","4","7","8","5","8","1") = "9"
    & skf18("10","4","7","8","5","9","1") = "9"
    & skf18("10","4","7","8","5","10","1") = "9"
    & skf18("10","4","7","8","6","1","1") = "9"
    & skf18("10","4","7","8","6","2","1") = "9"
    & skf18("10","4","7","8","6","3","1") = "9"
    & skf18("10","4","7","8","6","4","1") = "9"
    & skf18("10","4","7","8","6","5","1") = "9"
    & skf18("10","4","7","8","6","6","1") = "9"
    & skf18("10","4","7","8","6","7","1") = "9"
    & skf18("10","4","7","8","6","8","1") = "9"
    & skf18("10","4","7","8","6","9","1") = "9"
    & skf18("10","4","7","8","6","10","1") = "9"
    & skf18("10","4","7","8","7","1","1") = "9"
    & skf18("10","4","7","8","7","2","1") = "9"
    & skf18("10","4","7","8","7","3","1") = "9"
    & skf18("10","4","7","8","7","4","1") = "9"
    & skf18("10","4","7","8","7","5","1") = "9"
    & skf18("10","4","7","8","7","6","1") = "9"
    & skf18("10","4","7","8","7","7","1") = "9"
    & skf18("10","4","7","8","7","8","1") = "9"
    & skf18("10","4","7","8","7","9","1") = "9"
    & skf18("10","4","7","8","7","10","1") = "9"
    & skf18("10","4","7","8","8","1","1") = "9"
    & skf18("10","4","7","8","8","2","1") = "9"
    & skf18("10","4","7","8","8","3","1") = "9"
    & skf18("10","4","7","8","8","4","1") = "9"
    & skf18("10","4","7","8","8","5","1") = "9"
    & skf18("10","4","7","8","8","6","1") = "9"
    & skf18("10","4","7","8","8","7","1") = "9"
    & skf18("10","4","7","8","8","8","1") = "9"
    & skf18("10","4","7","8","8","9","1") = "9"
    & skf18("10","4","7","8","8","10","1") = "9"
    & skf18("10","4","7","8","9","1","1") = "9"
    & skf18("10","4","7","8","9","2","1") = "9"
    & skf18("10","4","7","8","9","3","1") = "9"
    & skf18("10","4","7","8","9","4","1") = "9"
    & skf18("10","4","7","8","9","5","1") = "9"
    & skf18("10","4","7","8","9","6","1") = "9"
    & skf18("10","4","7","8","9","7","1") = "9"
    & skf18("10","4","7","8","9","8","1") = "9"
    & skf18("10","4","7","8","9","9","1") = "9"
    & skf18("10","4","7","8","9","10","1") = "9"
    & skf18("10","4","7","8","10","1","1") = "9"
    & skf18("10","4","7","8","10","2","1") = "9"
    & skf18("10","4","7","8","10","3","1") = "9"
    & skf18("10","4","7","8","10","4","1") = "9"
    & skf18("10","4","7","8","10","5","1") = "9"
    & skf18("10","4","7","8","10","6","1") = "9"
    & skf18("10","4","7","8","10","7","1") = "9"
    & skf18("10","4","7","8","10","8","1") = "9"
    & skf18("10","4","7","8","10","9","1") = "9"
    & skf18("10","4","7","8","10","10","1") = "9"
    & skf18("10","4","7","9","1","1","1") = "9"
    & skf18("10","4","7","9","1","2","1") = "9"
    & skf18("10","4","7","9","1","3","1") = "9"
    & skf18("10","4","7","9","1","4","1") = "9"
    & skf18("10","4","7","9","1","5","1") = "9"
    & skf18("10","4","7","9","1","6","1") = "9"
    & skf18("10","4","7","9","1","7","1") = "9"
    & skf18("10","4","7","9","1","8","1") = "9"
    & skf18("10","4","7","9","1","9","1") = "9"
    & skf18("10","4","7","9","1","10","1") = "9"
    & skf18("10","4","7","9","2","1","1") = "9"
    & skf18("10","4","7","9","2","2","1") = "9"
    & skf18("10","4","7","9","2","3","1") = "9"
    & skf18("10","4","7","9","2","4","1") = "9"
    & skf18("10","4","7","9","2","5","1") = "9"
    & skf18("10","4","7","9","2","6","1") = "9"
    & skf18("10","4","7","9","2","7","1") = "9"
    & skf18("10","4","7","9","2","8","1") = "9"
    & skf18("10","4","7","9","2","9","1") = "9"
    & skf18("10","4","7","9","2","10","1") = "9"
    & skf18("10","4","7","9","3","1","1") = "9"
    & skf18("10","4","7","9","3","2","1") = "9"
    & skf18("10","4","7","9","3","3","1") = "9"
    & skf18("10","4","7","9","3","4","1") = "9"
    & skf18("10","4","7","9","3","5","1") = "9"
    & skf18("10","4","7","9","3","6","1") = "9"
    & skf18("10","4","7","9","3","7","1") = "9"
    & skf18("10","4","7","9","3","8","1") = "9"
    & skf18("10","4","7","9","3","9","1") = "9"
    & skf18("10","4","7","9","3","10","1") = "9"
    & skf18("10","4","7","9","4","1","1") = "9"
    & skf18("10","4","7","9","4","2","1") = "9"
    & skf18("10","4","7","9","4","3","1") = "9"
    & skf18("10","4","7","9","4","4","1") = "9"
    & skf18("10","4","7","9","4","5","1") = "9"
    & skf18("10","4","7","9","4","6","1") = "9"
    & skf18("10","4","7","9","4","7","1") = "9"
    & skf18("10","4","7","9","4","8","1") = "9"
    & skf18("10","4","7","9","4","9","1") = "9"
    & skf18("10","4","7","9","4","10","1") = "9"
    & skf18("10","4","7","9","5","1","1") = "9"
    & skf18("10","4","7","9","5","2","1") = "9"
    & skf18("10","4","7","9","5","3","1") = "9"
    & skf18("10","4","7","9","5","4","1") = "9"
    & skf18("10","4","7","9","5","5","1") = "9"
    & skf18("10","4","7","9","5","6","1") = "9"
    & skf18("10","4","7","9","5","7","1") = "9"
    & skf18("10","4","7","9","5","8","1") = "9"
    & skf18("10","4","7","9","5","9","1") = "9"
    & skf18("10","4","7","9","5","10","1") = "9"
    & skf18("10","4","7","9","6","1","1") = "9"
    & skf18("10","4","7","9","6","2","1") = "9"
    & skf18("10","4","7","9","6","3","1") = "9"
    & skf18("10","4","7","9","6","4","1") = "9"
    & skf18("10","4","7","9","6","5","1") = "9"
    & skf18("10","4","7","9","6","6","1") = "9"
    & skf18("10","4","7","9","6","7","1") = "9"
    & skf18("10","4","7","9","6","8","1") = "9"
    & skf18("10","4","7","9","6","9","1") = "9"
    & skf18("10","4","7","9","6","10","1") = "9"
    & skf18("10","4","7","9","7","1","1") = "9"
    & skf18("10","4","7","9","7","2","1") = "9"
    & skf18("10","4","7","9","7","3","1") = "9"
    & skf18("10","4","7","9","7","4","1") = "9"
    & skf18("10","4","7","9","7","5","1") = "9"
    & skf18("10","4","7","9","7","6","1") = "9"
    & skf18("10","4","7","9","7","7","1") = "9"
    & skf18("10","4","7","9","7","8","1") = "9"
    & skf18("10","4","7","9","7","9","1") = "9"
    & skf18("10","4","7","9","7","10","1") = "9"
    & skf18("10","4","7","9","8","1","1") = "9"
    & skf18("10","4","7","9","8","2","1") = "9"
    & skf18("10","4","7","9","8","3","1") = "9"
    & skf18("10","4","7","9","8","4","1") = "9"
    & skf18("10","4","7","9","8","5","1") = "9"
    & skf18("10","4","7","9","8","6","1") = "9"
    & skf18("10","4","7","9","8","7","1") = "9"
    & skf18("10","4","7","9","8","8","1") = "9"
    & skf18("10","4","7","9","8","9","1") = "9"
    & skf18("10","4","7","9","8","10","1") = "9"
    & skf18("10","4","7","9","9","1","1") = "9"
    & skf18("10","4","7","9","9","2","1") = "9"
    & skf18("10","4","7","9","9","3","1") = "9"
    & skf18("10","4","7","9","9","4","1") = "9"
    & skf18("10","4","7","9","9","5","1") = "9"
    & skf18("10","4","7","9","9","6","1") = "9"
    & skf18("10","4","7","9","9","7","1") = "9"
    & skf18("10","4","7","9","9","8","1") = "9"
    & skf18("10","4","7","9","9","9","1") = "9"
    & skf18("10","4","7","9","9","10","1") = "9"
    & skf18("10","4","7","9","10","1","1") = "9"
    & skf18("10","4","7","9","10","2","1") = "9"
    & skf18("10","4","7","9","10","3","1") = "9"
    & skf18("10","4","7","9","10","4","1") = "9"
    & skf18("10","4","7","9","10","5","1") = "9"
    & skf18("10","4","7","9","10","6","1") = "9"
    & skf18("10","4","7","9","10","7","1") = "9"
    & skf18("10","4","7","9","10","8","1") = "9"
    & skf18("10","4","7","9","10","9","1") = "9"
    & skf18("10","4","7","9","10","10","1") = "9"
    & skf18("10","4","7","10","1","1","1") = "9"
    & skf18("10","4","7","10","1","2","1") = "9"
    & skf18("10","4","7","10","1","3","1") = "9"
    & skf18("10","4","7","10","1","4","1") = "9"
    & skf18("10","4","7","10","1","5","1") = "9"
    & skf18("10","4","7","10","1","6","1") = "9"
    & skf18("10","4","7","10","1","7","1") = "9"
    & skf18("10","4","7","10","1","8","1") = "9"
    & skf18("10","4","7","10","1","9","1") = "9"
    & skf18("10","4","7","10","1","10","1") = "9"
    & skf18("10","4","7","10","2","1","1") = "9"
    & skf18("10","4","7","10","2","2","1") = "9"
    & skf18("10","4","7","10","2","3","1") = "9"
    & skf18("10","4","7","10","2","4","1") = "9"
    & skf18("10","4","7","10","2","5","1") = "9"
    & skf18("10","4","7","10","2","6","1") = "9"
    & skf18("10","4","7","10","2","7","1") = "9"
    & skf18("10","4","7","10","2","8","1") = "9"
    & skf18("10","4","7","10","2","9","1") = "9"
    & skf18("10","4","7","10","2","10","1") = "9"
    & skf18("10","4","7","10","3","1","1") = "9"
    & skf18("10","4","7","10","3","2","1") = "9"
    & skf18("10","4","7","10","3","3","1") = "9"
    & skf18("10","4","7","10","3","4","1") = "9"
    & skf18("10","4","7","10","3","5","1") = "9"
    & skf18("10","4","7","10","3","6","1") = "9"
    & skf18("10","4","7","10","3","7","1") = "9"
    & skf18("10","4","7","10","3","8","1") = "9"
    & skf18("10","4","7","10","3","9","1") = "9"
    & skf18("10","4","7","10","3","10","1") = "9"
    & skf18("10","4","7","10","4","1","1") = "9"
    & skf18("10","4","7","10","4","2","1") = "9"
    & skf18("10","4","7","10","4","3","1") = "9"
    & skf18("10","4","7","10","4","4","1") = "9"
    & skf18("10","4","7","10","4","5","1") = "9"
    & skf18("10","4","7","10","4","6","1") = "9"
    & skf18("10","4","7","10","4","7","1") = "9"
    & skf18("10","4","7","10","4","8","1") = "9"
    & skf18("10","4","7","10","4","9","1") = "9"
    & skf18("10","4","7","10","4","10","1") = "9"
    & skf18("10","4","7","10","5","1","1") = "9"
    & skf18("10","4","7","10","5","2","1") = "9"
    & skf18("10","4","7","10","5","3","1") = "9"
    & skf18("10","4","7","10","5","4","1") = "9"
    & skf18("10","4","7","10","5","5","1") = "9"
    & skf18("10","4","7","10","5","6","1") = "9"
    & skf18("10","4","7","10","5","7","1") = "9"
    & skf18("10","4","7","10","5","8","1") = "9"
    & skf18("10","4","7","10","5","9","1") = "9"
    & skf18("10","4","7","10","5","10","1") = "9"
    & skf18("10","4","7","10","6","1","1") = "9"
    & skf18("10","4","7","10","6","2","1") = "9"
    & skf18("10","4","7","10","6","3","1") = "9"
    & skf18("10","4","7","10","6","4","1") = "9"
    & skf18("10","4","7","10","6","5","1") = "9"
    & skf18("10","4","7","10","6","6","1") = "9"
    & skf18("10","4","7","10","6","7","1") = "9"
    & skf18("10","4","7","10","6","8","1") = "9"
    & skf18("10","4","7","10","6","9","1") = "9"
    & skf18("10","4","7","10","6","10","1") = "9"
    & skf18("10","4","7","10","7","1","1") = "9"
    & skf18("10","4","7","10","7","2","1") = "9"
    & skf18("10","4","7","10","7","3","1") = "9"
    & skf18("10","4","7","10","7","4","1") = "9"
    & skf18("10","4","7","10","7","5","1") = "9"
    & skf18("10","4","7","10","7","6","1") = "9"
    & skf18("10","4","7","10","7","7","1") = "9"
    & skf18("10","4","7","10","7","8","1") = "9"
    & skf18("10","4","7","10","7","9","1") = "9"
    & skf18("10","4","7","10","7","10","1") = "9"
    & skf18("10","4","7","10","8","1","1") = "9"
    & skf18("10","4","7","10","8","2","1") = "9"
    & skf18("10","4","7","10","8","3","1") = "9"
    & skf18("10","4","7","10","8","4","1") = "9"
    & skf18("10","4","7","10","8","5","1") = "9"
    & skf18("10","4","7","10","8","6","1") = "9"
    & skf18("10","4","7","10","8","7","1") = "9"
    & skf18("10","4","7","10","8","8","1") = "9"
    & skf18("10","4","7","10","8","9","1") = "9"
    & skf18("10","4","7","10","8","10","1") = "9"
    & skf18("10","4","7","10","9","1","1") = "9"
    & skf18("10","4","7","10","9","2","1") = "9"
    & skf18("10","4","7","10","9","3","1") = "9"
    & skf18("10","4","7","10","9","4","1") = "9"
    & skf18("10","4","7","10","9","5","1") = "9"
    & skf18("10","4","7","10","9","6","1") = "9"
    & skf18("10","4","7","10","9","7","1") = "9"
    & skf18("10","4","7","10","9","8","1") = "9"
    & skf18("10","4","7","10","9","9","1") = "9"
    & skf18("10","4","7","10","9","10","1") = "9"
    & skf18("10","4","7","10","10","1","1") = "9"
    & skf18("10","4","7","10","10","2","1") = "9"
    & skf18("10","4","7","10","10","3","1") = "9"
    & skf18("10","4","7","10","10","4","1") = "9"
    & skf18("10","4","7","10","10","5","1") = "9"
    & skf18("10","4","7","10","10","6","1") = "9"
    & skf18("10","4","7","10","10","7","1") = "9"
    & skf18("10","4","7","10","10","8","1") = "9"
    & skf18("10","4","7","10","10","9","1") = "9"
    & skf18("10","4","7","10","10","10","1") = "9"
    & skf18("10","4","8","1","1","1","1") = "9"
    & skf18("10","4","8","1","1","2","1") = "9"
    & skf18("10","4","8","1","1","3","1") = "9"
    & skf18("10","4","8","1","1","4","1") = "9"
    & skf18("10","4","8","1","1","5","1") = "9"
    & skf18("10","4","8","1","1","6","1") = "9"
    & skf18("10","4","8","1","1","7","1") = "9"
    & skf18("10","4","8","1","1","8","1") = "9"
    & skf18("10","4","8","1","1","9","1") = "9"
    & skf18("10","4","8","1","1","10","1") = "9"
    & skf18("10","4","8","1","2","1","1") = "9"
    & skf18("10","4","8","1","2","2","1") = "9"
    & skf18("10","4","8","1","2","3","1") = "9"
    & skf18("10","4","8","1","2","4","1") = "9"
    & skf18("10","4","8","1","2","5","1") = "9"
    & skf18("10","4","8","1","2","6","1") = "9"
    & skf18("10","4","8","1","2","7","1") = "9"
    & skf18("10","4","8","1","2","8","1") = "9"
    & skf18("10","4","8","1","2","9","1") = "9"
    & skf18("10","4","8","1","2","10","1") = "9"
    & skf18("10","4","8","1","3","1","1") = "9"
    & skf18("10","4","8","1","3","2","1") = "9"
    & skf18("10","4","8","1","3","3","1") = "9"
    & skf18("10","4","8","1","3","4","1") = "9"
    & skf18("10","4","8","1","3","5","1") = "9"
    & skf18("10","4","8","1","3","6","1") = "9"
    & skf18("10","4","8","1","3","7","1") = "9"
    & skf18("10","4","8","1","3","8","1") = "9"
    & skf18("10","4","8","1","3","9","1") = "9"
    & skf18("10","4","8","1","3","10","1") = "9"
    & skf18("10","4","8","1","4","1","1") = "9"
    & skf18("10","4","8","1","4","2","1") = "9"
    & skf18("10","4","8","1","4","3","1") = "9"
    & skf18("10","4","8","1","4","4","1") = "9"
    & skf18("10","4","8","1","4","5","1") = "9"
    & skf18("10","4","8","1","4","6","1") = "9"
    & skf18("10","4","8","1","4","7","1") = "9"
    & skf18("10","4","8","1","4","8","1") = "9"
    & skf18("10","4","8","1","4","9","1") = "9"
    & skf18("10","4","8","1","4","10","1") = "9"
    & skf18("10","4","8","1","5","1","1") = "9"
    & skf18("10","4","8","1","5","2","1") = "9"
    & skf18("10","4","8","1","5","3","1") = "9"
    & skf18("10","4","8","1","5","4","1") = "9"
    & skf18("10","4","8","1","5","5","1") = "9"
    & skf18("10","4","8","1","5","6","1") = "9"
    & skf18("10","4","8","1","5","7","1") = "9"
    & skf18("10","4","8","1","5","8","1") = "9"
    & skf18("10","4","8","1","5","9","1") = "9"
    & skf18("10","4","8","1","5","10","1") = "9"
    & skf18("10","4","8","1","6","1","1") = "9"
    & skf18("10","4","8","1","6","2","1") = "9"
    & skf18("10","4","8","1","6","3","1") = "9"
    & skf18("10","4","8","1","6","4","1") = "9"
    & skf18("10","4","8","1","6","5","1") = "9"
    & skf18("10","4","8","1","6","6","1") = "9"
    & skf18("10","4","8","1","6","7","1") = "9"
    & skf18("10","4","8","1","6","8","1") = "9"
    & skf18("10","4","8","1","6","9","1") = "9"
    & skf18("10","4","8","1","6","10","1") = "9"
    & skf18("10","4","8","1","7","1","1") = "9"
    & skf18("10","4","8","1","7","2","1") = "9"
    & skf18("10","4","8","1","7","3","1") = "9"
    & skf18("10","4","8","1","7","4","1") = "9"
    & skf18("10","4","8","1","7","5","1") = "9"
    & skf18("10","4","8","1","7","6","1") = "9"
    & skf18("10","4","8","1","7","7","1") = "9"
    & skf18("10","4","8","1","7","8","1") = "9"
    & skf18("10","4","8","1","7","9","1") = "9"
    & skf18("10","4","8","1","7","10","1") = "9"
    & skf18("10","4","8","1","8","1","1") = "9"
    & skf18("10","4","8","1","8","2","1") = "9"
    & skf18("10","4","8","1","8","3","1") = "9"
    & skf18("10","4","8","1","8","4","1") = "9"
    & skf18("10","4","8","1","8","5","1") = "9"
    & skf18("10","4","8","1","8","6","1") = "9"
    & skf18("10","4","8","1","8","7","1") = "9"
    & skf18("10","4","8","1","8","8","1") = "9"
    & skf18("10","4","8","1","8","9","1") = "9"
    & skf18("10","4","8","1","8","10","1") = "9"
    & skf18("10","4","8","1","9","1","1") = "9"
    & skf18("10","4","8","1","9","2","1") = "9"
    & skf18("10","4","8","1","9","3","1") = "9"
    & skf18("10","4","8","1","9","4","1") = "9"
    & skf18("10","4","8","1","9","5","1") = "9"
    & skf18("10","4","8","1","9","6","1") = "9"
    & skf18("10","4","8","1","9","7","1") = "9"
    & skf18("10","4","8","1","9","8","1") = "9"
    & skf18("10","4","8","1","9","9","1") = "9"
    & skf18("10","4","8","1","9","10","1") = "9"
    & skf18("10","4","8","1","10","1","1") = "9"
    & skf18("10","4","8","1","10","2","1") = "9"
    & skf18("10","4","8","1","10","3","1") = "9"
    & skf18("10","4","8","1","10","4","1") = "9"
    & skf18("10","4","8","1","10","5","1") = "9"
    & skf18("10","4","8","1","10","6","1") = "9"
    & skf18("10","4","8","1","10","7","1") = "9"
    & skf18("10","4","8","1","10","8","1") = "9"
    & skf18("10","4","8","1","10","9","1") = "9"
    & skf18("10","4","8","1","10","10","1") = "9"
    & skf18("10","4","8","2","1","1","1") = "9"
    & skf18("10","4","8","2","1","2","1") = "9"
    & skf18("10","4","8","2","1","3","1") = "9"
    & skf18("10","4","8","2","1","4","1") = "9"
    & skf18("10","4","8","2","1","5","1") = "9"
    & skf18("10","4","8","2","1","6","1") = "9"
    & skf18("10","4","8","2","1","7","1") = "9"
    & skf18("10","4","8","2","1","8","1") = "9"
    & skf18("10","4","8","2","1","9","1") = "9"
    & skf18("10","4","8","2","1","10","1") = "9"
    & skf18("10","4","8","2","2","1","1") = "9"
    & skf18("10","4","8","2","2","2","1") = "9"
    & skf18("10","4","8","2","2","3","1") = "9"
    & skf18("10","4","8","2","2","4","1") = "9"
    & skf18("10","4","8","2","2","5","1") = "9"
    & skf18("10","4","8","2","2","6","1") = "9"
    & skf18("10","4","8","2","2","7","1") = "9"
    & skf18("10","4","8","2","2","8","1") = "9"
    & skf18("10","4","8","2","2","9","1") = "9"
    & skf18("10","4","8","2","2","10","1") = "9"
    & skf18("10","4","8","2","3","1","1") = "9"
    & skf18("10","4","8","2","3","2","1") = "9"
    & skf18("10","4","8","2","3","3","1") = "9"
    & skf18("10","4","8","2","3","4","1") = "9"
    & skf18("10","4","8","2","3","5","1") = "9"
    & skf18("10","4","8","2","3","6","1") = "9"
    & skf18("10","4","8","2","3","7","1") = "9"
    & skf18("10","4","8","2","3","8","1") = "9"
    & skf18("10","4","8","2","3","9","1") = "9"
    & skf18("10","4","8","2","3","10","1") = "9"
    & skf18("10","4","8","2","4","1","1") = "9"
    & skf18("10","4","8","2","4","2","1") = "9"
    & skf18("10","4","8","2","4","3","1") = "9"
    & skf18("10","4","8","2","4","4","1") = "9"
    & skf18("10","4","8","2","4","5","1") = "9"
    & skf18("10","4","8","2","4","6","1") = "9"
    & skf18("10","4","8","2","4","7","1") = "9"
    & skf18("10","4","8","2","4","8","1") = "9"
    & skf18("10","4","8","2","4","9","1") = "9"
    & skf18("10","4","8","2","4","10","1") = "9"
    & skf18("10","4","8","2","5","1","1") = "9"
    & skf18("10","4","8","2","5","2","1") = "9"
    & skf18("10","4","8","2","5","3","1") = "9"
    & skf18("10","4","8","2","5","4","1") = "9"
    & skf18("10","4","8","2","5","5","1") = "9"
    & skf18("10","4","8","2","5","6","1") = "9"
    & skf18("10","4","8","2","5","7","1") = "9"
    & skf18("10","4","8","2","5","8","1") = "9"
    & skf18("10","4","8","2","5","9","1") = "9"
    & skf18("10","4","8","2","5","10","1") = "9"
    & skf18("10","4","8","2","6","1","1") = "9"
    & skf18("10","4","8","2","6","2","1") = "9"
    & skf18("10","4","8","2","6","3","1") = "9"
    & skf18("10","4","8","2","6","4","1") = "9"
    & skf18("10","4","8","2","6","5","1") = "9"
    & skf18("10","4","8","2","6","6","1") = "9"
    & skf18("10","4","8","2","6","7","1") = "9"
    & skf18("10","4","8","2","6","8","1") = "9"
    & skf18("10","4","8","2","6","9","1") = "9"
    & skf18("10","4","8","2","6","10","1") = "9"
    & skf18("10","4","8","2","7","1","1") = "9"
    & skf18("10","4","8","2","7","2","1") = "9"
    & skf18("10","4","8","2","7","3","1") = "9"
    & skf18("10","4","8","2","7","4","1") = "9"
    & skf18("10","4","8","2","7","5","1") = "9"
    & skf18("10","4","8","2","7","6","1") = "9"
    & skf18("10","4","8","2","7","7","1") = "9"
    & skf18("10","4","8","2","7","8","1") = "9"
    & skf18("10","4","8","2","7","9","1") = "9"
    & skf18("10","4","8","2","7","10","1") = "9"
    & skf18("10","4","8","2","8","1","1") = "9"
    & skf18("10","4","8","2","8","2","1") = "9"
    & skf18("10","4","8","2","8","3","1") = "9"
    & skf18("10","4","8","2","8","4","1") = "9"
    & skf18("10","4","8","2","8","5","1") = "9"
    & skf18("10","4","8","2","8","6","1") = "9"
    & skf18("10","4","8","2","8","7","1") = "9"
    & skf18("10","4","8","2","8","8","1") = "9"
    & skf18("10","4","8","2","8","9","1") = "9"
    & skf18("10","4","8","2","8","10","1") = "9"
    & skf18("10","4","8","2","9","1","1") = "9"
    & skf18("10","4","8","2","9","2","1") = "9"
    & skf18("10","4","8","2","9","3","1") = "9"
    & skf18("10","4","8","2","9","4","1") = "9"
    & skf18("10","4","8","2","9","5","1") = "9"
    & skf18("10","4","8","2","9","6","1") = "9"
    & skf18("10","4","8","2","9","7","1") = "9"
    & skf18("10","4","8","2","9","8","1") = "9"
    & skf18("10","4","8","2","9","9","1") = "9"
    & skf18("10","4","8","2","9","10","1") = "9"
    & skf18("10","4","8","2","10","1","1") = "9"
    & skf18("10","4","8","2","10","2","1") = "9"
    & skf18("10","4","8","2","10","3","1") = "9"
    & skf18("10","4","8","2","10","4","1") = "9"
    & skf18("10","4","8","2","10","5","1") = "9"
    & skf18("10","4","8","2","10","6","1") = "9"
    & skf18("10","4","8","2","10","7","1") = "9"
    & skf18("10","4","8","2","10","8","1") = "9"
    & skf18("10","4","8","2","10","9","1") = "9"
    & skf18("10","4","8","2","10","10","1") = "9"
    & skf18("10","4","8","3","1","1","1") = "9"
    & skf18("10","4","8","3","1","2","1") = "9"
    & skf18("10","4","8","3","1","3","1") = "9"
    & skf18("10","4","8","3","1","4","1") = "9"
    & skf18("10","4","8","3","1","5","1") = "9"
    & skf18("10","4","8","3","1","6","1") = "9"
    & skf18("10","4","8","3","1","7","1") = "9"
    & skf18("10","4","8","3","1","8","1") = "9"
    & skf18("10","4","8","3","1","9","1") = "9"
    & skf18("10","4","8","3","1","10","1") = "9"
    & skf18("10","4","8","3","2","1","1") = "9"
    & skf18("10","4","8","3","2","2","1") = "9"
    & skf18("10","4","8","3","2","3","1") = "9"
    & skf18("10","4","8","3","2","4","1") = "9"
    & skf18("10","4","8","3","2","5","1") = "9"
    & skf18("10","4","8","3","2","6","1") = "9"
    & skf18("10","4","8","3","2","7","1") = "9"
    & skf18("10","4","8","3","2","8","1") = "9"
    & skf18("10","4","8","3","2","9","1") = "9"
    & skf18("10","4","8","3","2","10","1") = "9"
    & skf18("10","4","8","3","3","1","1") = "9"
    & skf18("10","4","8","3","3","2","1") = "9"
    & skf18("10","4","8","3","3","3","1") = "9"
    & skf18("10","4","8","3","3","4","1") = "9"
    & skf18("10","4","8","3","3","5","1") = "9"
    & skf18("10","4","8","3","3","6","1") = "9"
    & skf18("10","4","8","3","3","7","1") = "9"
    & skf18("10","4","8","3","3","8","1") = "9"
    & skf18("10","4","8","3","3","9","1") = "9"
    & skf18("10","4","8","3","3","10","1") = "9"
    & skf18("10","4","8","3","4","1","1") = "9"
    & skf18("10","4","8","3","4","2","1") = "9"
    & skf18("10","4","8","3","4","3","1") = "9"
    & skf18("10","4","8","3","4","4","1") = "9"
    & skf18("10","4","8","3","4","5","1") = "9"
    & skf18("10","4","8","3","4","6","1") = "9"
    & skf18("10","4","8","3","4","7","1") = "9"
    & skf18("10","4","8","3","4","8","1") = "9"
    & skf18("10","4","8","3","4","9","1") = "9"
    & skf18("10","4","8","3","4","10","1") = "9"
    & skf18("10","4","8","3","5","1","1") = "9"
    & skf18("10","4","8","3","5","2","1") = "9"
    & skf18("10","4","8","3","5","3","1") = "9"
    & skf18("10","4","8","3","5","4","1") = "9"
    & skf18("10","4","8","3","5","5","1") = "9"
    & skf18("10","4","8","3","5","6","1") = "9"
    & skf18("10","4","8","3","5","7","1") = "9"
    & skf18("10","4","8","3","5","8","1") = "9"
    & skf18("10","4","8","3","5","9","1") = "9"
    & skf18("10","4","8","3","5","10","1") = "9"
    & skf18("10","4","8","3","6","1","1") = "9"
    & skf18("10","4","8","3","6","2","1") = "9"
    & skf18("10","4","8","3","6","3","1") = "9"
    & skf18("10","4","8","3","6","4","1") = "9"
    & skf18("10","4","8","3","6","5","1") = "9"
    & skf18("10","4","8","3","6","6","1") = "9"
    & skf18("10","4","8","3","6","7","1") = "9"
    & skf18("10","4","8","3","6","8","1") = "9"
    & skf18("10","4","8","3","6","9","1") = "9"
    & skf18("10","4","8","3","6","10","1") = "9"
    & skf18("10","4","8","3","7","1","1") = "9"
    & skf18("10","4","8","3","7","2","1") = "9"
    & skf18("10","4","8","3","7","3","1") = "9"
    & skf18("10","4","8","3","7","4","1") = "9"
    & skf18("10","4","8","3","7","5","1") = "9"
    & skf18("10","4","8","3","7","6","1") = "9"
    & skf18("10","4","8","3","7","7","1") = "9"
    & skf18("10","4","8","3","7","8","1") = "9"
    & skf18("10","4","8","3","7","9","1") = "9"
    & skf18("10","4","8","3","7","10","1") = "9"
    & skf18("10","4","8","3","8","1","1") = "9"
    & skf18("10","4","8","3","8","2","1") = "9"
    & skf18("10","4","8","3","8","3","1") = "9"
    & skf18("10","4","8","3","8","4","1") = "9"
    & skf18("10","4","8","3","8","5","1") = "9"
    & skf18("10","4","8","3","8","6","1") = "9"
    & skf18("10","4","8","3","8","7","1") = "9"
    & skf18("10","4","8","3","8","8","1") = "9"
    & skf18("10","4","8","3","8","9","1") = "9"
    & skf18("10","4","8","3","8","10","1") = "9"
    & skf18("10","4","8","3","9","1","1") = "9"
    & skf18("10","4","8","3","9","2","1") = "9"
    & skf18("10","4","8","3","9","3","1") = "9"
    & skf18("10","4","8","3","9","4","1") = "9"
    & skf18("10","4","8","3","9","5","1") = "9"
    & skf18("10","4","8","3","9","6","1") = "9"
    & skf18("10","4","8","3","9","7","1") = "9"
    & skf18("10","4","8","3","9","8","1") = "9"
    & skf18("10","4","8","3","9","9","1") = "9"
    & skf18("10","4","8","3","9","10","1") = "9"
    & skf18("10","4","8","3","10","1","1") = "9"
    & skf18("10","4","8","3","10","2","1") = "9"
    & skf18("10","4","8","3","10","3","1") = "9"
    & skf18("10","4","8","3","10","4","1") = "9"
    & skf18("10","4","8","3","10","5","1") = "9"
    & skf18("10","4","8","3","10","6","1") = "9"
    & skf18("10","4","8","3","10","7","1") = "9"
    & skf18("10","4","8","3","10","8","1") = "9"
    & skf18("10","4","8","3","10","9","1") = "9"
    & skf18("10","4","8","3","10","10","1") = "9"
    & skf18("10","4","8","4","1","1","1") = "9"
    & skf18("10","4","8","4","1","2","1") = "9"
    & skf18("10","4","8","4","1","3","1") = "9"
    & skf18("10","4","8","4","1","4","1") = "9"
    & skf18("10","4","8","4","1","5","1") = "9"
    & skf18("10","4","8","4","1","6","1") = "9"
    & skf18("10","4","8","4","1","7","1") = "9"
    & skf18("10","4","8","4","1","8","1") = "9"
    & skf18("10","4","8","4","1","9","1") = "9"
    & skf18("10","4","8","4","1","10","1") = "9"
    & skf18("10","4","8","4","2","1","1") = "9"
    & skf18("10","4","8","4","2","2","1") = "9"
    & skf18("10","4","8","4","2","3","1") = "9"
    & skf18("10","4","8","4","2","4","1") = "9"
    & skf18("10","4","8","4","2","5","1") = "9"
    & skf18("10","4","8","4","2","6","1") = "9"
    & skf18("10","4","8","4","2","7","1") = "9"
    & skf18("10","4","8","4","2","8","1") = "9"
    & skf18("10","4","8","4","2","9","1") = "9"
    & skf18("10","4","8","4","2","10","1") = "9"
    & skf18("10","4","8","4","3","1","1") = "9"
    & skf18("10","4","8","4","3","2","1") = "9"
    & skf18("10","4","8","4","3","3","1") = "9"
    & skf18("10","4","8","4","3","4","1") = "9"
    & skf18("10","4","8","4","3","5","1") = "9"
    & skf18("10","4","8","4","3","6","1") = "9"
    & skf18("10","4","8","4","3","7","1") = "9"
    & skf18("10","4","8","4","3","8","1") = "9"
    & skf18("10","4","8","4","3","9","1") = "9"
    & skf18("10","4","8","4","3","10","1") = "9"
    & skf18("10","4","8","4","4","1","1") = "9"
    & skf18("10","4","8","4","4","2","1") = "9"
    & skf18("10","4","8","4","4","3","1") = "9"
    & skf18("10","4","8","4","4","4","1") = "9"
    & skf18("10","4","8","4","4","5","1") = "9"
    & skf18("10","4","8","4","4","6","1") = "9"
    & skf18("10","4","8","4","4","7","1") = "9"
    & skf18("10","4","8","4","4","8","1") = "9"
    & skf18("10","4","8","4","4","9","1") = "9"
    & skf18("10","4","8","4","4","10","1") = "9"
    & skf18("10","4","8","4","5","1","1") = "9"
    & skf18("10","4","8","4","5","2","1") = "9"
    & skf18("10","4","8","4","5","3","1") = "9"
    & skf18("10","4","8","4","5","4","1") = "9"
    & skf18("10","4","8","4","5","5","1") = "9"
    & skf18("10","4","8","4","5","6","1") = "9"
    & skf18("10","4","8","4","5","7","1") = "9"
    & skf18("10","4","8","4","5","8","1") = "9"
    & skf18("10","4","8","4","5","9","1") = "9"
    & skf18("10","4","8","4","5","10","1") = "9"
    & skf18("10","4","8","4","6","1","1") = "9"
    & skf18("10","4","8","4","6","2","1") = "9"
    & skf18("10","4","8","4","6","3","1") = "9"
    & skf18("10","4","8","4","6","4","1") = "9"
    & skf18("10","4","8","4","6","5","1") = "9"
    & skf18("10","4","8","4","6","6","1") = "9"
    & skf18("10","4","8","4","6","7","1") = "9"
    & skf18("10","4","8","4","6","8","1") = "9"
    & skf18("10","4","8","4","6","9","1") = "9"
    & skf18("10","4","8","4","6","10","1") = "9"
    & skf18("10","4","8","4","7","1","1") = "9"
    & skf18("10","4","8","4","7","2","1") = "9"
    & skf18("10","4","8","4","7","3","1") = "9"
    & skf18("10","4","8","4","7","4","1") = "9"
    & skf18("10","4","8","4","7","5","1") = "9"
    & skf18("10","4","8","4","7","6","1") = "9"
    & skf18("10","4","8","4","7","7","1") = "9"
    & skf18("10","4","8","4","7","8","1") = "9"
    & skf18("10","4","8","4","7","9","1") = "9"
    & skf18("10","4","8","4","7","10","1") = "9"
    & skf18("10","4","8","4","8","1","1") = "9"
    & skf18("10","4","8","4","8","2","1") = "9"
    & skf18("10","4","8","4","8","3","1") = "9"
    & skf18("10","4","8","4","8","4","1") = "9"
    & skf18("10","4","8","4","8","5","1") = "9"
    & skf18("10","4","8","4","8","6","1") = "9"
    & skf18("10","4","8","4","8","7","1") = "9"
    & skf18("10","4","8","4","8","8","1") = "9"
    & skf18("10","4","8","4","8","9","1") = "9"
    & skf18("10","4","8","4","8","10","1") = "9"
    & skf18("10","4","8","4","9","1","1") = "9"
    & skf18("10","4","8","4","9","2","1") = "9"
    & skf18("10","4","8","4","9","3","1") = "9"
    & skf18("10","4","8","4","9","4","1") = "9"
    & skf18("10","4","8","4","9","5","1") = "9"
    & skf18("10","4","8","4","9","6","1") = "9"
    & skf18("10","4","8","4","9","7","1") = "9"
    & skf18("10","4","8","4","9","8","1") = "9"
    & skf18("10","4","8","4","9","9","1") = "9"
    & skf18("10","4","8","4","9","10","1") = "9"
    & skf18("10","4","8","4","10","1","1") = "9"
    & skf18("10","4","8","4","10","2","1") = "9"
    & skf18("10","4","8","4","10","3","1") = "9"
    & skf18("10","4","8","4","10","4","1") = "9"
    & skf18("10","4","8","4","10","5","1") = "9"
    & skf18("10","4","8","4","10","6","1") = "9"
    & skf18("10","4","8","4","10","7","1") = "9"
    & skf18("10","4","8","4","10","8","1") = "9"
    & skf18("10","4","8","4","10","9","1") = "9"
    & skf18("10","4","8","4","10","10","1") = "9"
    & skf18("10","4","8","5","1","1","1") = "9"
    & skf18("10","4","8","5","1","2","1") = "9"
    & skf18("10","4","8","5","1","3","1") = "9"
    & skf18("10","4","8","5","1","4","1") = "9"
    & skf18("10","4","8","5","1","5","1") = "9"
    & skf18("10","4","8","5","1","6","1") = "9"
    & skf18("10","4","8","5","1","7","1") = "9"
    & skf18("10","4","8","5","1","8","1") = "9"
    & skf18("10","4","8","5","1","9","1") = "9"
    & skf18("10","4","8","5","1","10","1") = "9"
    & skf18("10","4","8","5","2","1","1") = "9"
    & skf18("10","4","8","5","2","2","1") = "9"
    & skf18("10","4","8","5","2","3","1") = "9"
    & skf18("10","4","8","5","2","4","1") = "9"
    & skf18("10","4","8","5","2","5","1") = "9"
    & skf18("10","4","8","5","2","6","1") = "9"
    & skf18("10","4","8","5","2","7","1") = "9"
    & skf18("10","4","8","5","2","8","1") = "9"
    & skf18("10","4","8","5","2","9","1") = "9"
    & skf18("10","4","8","5","2","10","1") = "9"
    & skf18("10","4","8","5","3","1","1") = "9"
    & skf18("10","4","8","5","3","2","1") = "9"
    & skf18("10","4","8","5","3","3","1") = "9"
    & skf18("10","4","8","5","3","4","1") = "9"
    & skf18("10","4","8","5","3","5","1") = "9"
    & skf18("10","4","8","5","3","6","1") = "9"
    & skf18("10","4","8","5","3","7","1") = "9"
    & skf18("10","4","8","5","3","8","1") = "9"
    & skf18("10","4","8","5","3","9","1") = "9"
    & skf18("10","4","8","5","3","10","1") = "9"
    & skf18("10","4","8","5","4","1","1") = "9"
    & skf18("10","4","8","5","4","2","1") = "9"
    & skf18("10","4","8","5","4","3","1") = "9"
    & skf18("10","4","8","5","4","4","1") = "9"
    & skf18("10","4","8","5","4","5","1") = "9"
    & skf18("10","4","8","5","4","6","1") = "9"
    & skf18("10","4","8","5","4","7","1") = "9"
    & skf18("10","4","8","5","4","8","1") = "9"
    & skf18("10","4","8","5","4","9","1") = "9"
    & skf18("10","4","8","5","4","10","1") = "9"
    & skf18("10","4","8","5","5","1","1") = "9"
    & skf18("10","4","8","5","5","2","1") = "9"
    & skf18("10","4","8","5","5","3","1") = "9"
    & skf18("10","4","8","5","5","4","1") = "9"
    & skf18("10","4","8","5","5","5","1") = "9"
    & skf18("10","4","8","5","5","6","1") = "9"
    & skf18("10","4","8","5","5","7","1") = "9"
    & skf18("10","4","8","5","5","8","1") = "9"
    & skf18("10","4","8","5","5","9","1") = "9"
    & skf18("10","4","8","5","5","10","1") = "9"
    & skf18("10","4","8","5","6","1","1") = "9"
    & skf18("10","4","8","5","6","2","1") = "9"
    & skf18("10","4","8","5","6","3","1") = "9"
    & skf18("10","4","8","5","6","4","1") = "9"
    & skf18("10","4","8","5","6","5","1") = "9"
    & skf18("10","4","8","5","6","6","1") = "9"
    & skf18("10","4","8","5","6","7","1") = "9"
    & skf18("10","4","8","5","6","8","1") = "9"
    & skf18("10","4","8","5","6","9","1") = "9"
    & skf18("10","4","8","5","6","10","1") = "9"
    & skf18("10","4","8","5","7","1","1") = "9"
    & skf18("10","4","8","5","7","2","1") = "9"
    & skf18("10","4","8","5","7","3","1") = "9"
    & skf18("10","4","8","5","7","4","1") = "9"
    & skf18("10","4","8","5","7","5","1") = "9"
    & skf18("10","4","8","5","7","6","1") = "9"
    & skf18("10","4","8","5","7","7","1") = "9"
    & skf18("10","4","8","5","7","8","1") = "9"
    & skf18("10","4","8","5","7","9","1") = "9"
    & skf18("10","4","8","5","7","10","1") = "9"
    & skf18("10","4","8","5","8","1","1") = "9"
    & skf18("10","4","8","5","8","2","1") = "9"
    & skf18("10","4","8","5","8","3","1") = "9"
    & skf18("10","4","8","5","8","4","1") = "9"
    & skf18("10","4","8","5","8","5","1") = "9"
    & skf18("10","4","8","5","8","6","1") = "9"
    & skf18("10","4","8","5","8","7","1") = "9"
    & skf18("10","4","8","5","8","8","1") = "9"
    & skf18("10","4","8","5","8","9","1") = "9"
    & skf18("10","4","8","5","8","10","1") = "9"
    & skf18("10","4","8","5","9","1","1") = "9"
    & skf18("10","4","8","5","9","2","1") = "9"
    & skf18("10","4","8","5","9","3","1") = "9"
    & skf18("10","4","8","5","9","4","1") = "9"
    & skf18("10","4","8","5","9","5","1") = "9"
    & skf18("10","4","8","5","9","6","1") = "9"
    & skf18("10","4","8","5","9","7","1") = "9"
    & skf18("10","4","8","5","9","8","1") = "9"
    & skf18("10","4","8","5","9","9","1") = "9"
    & skf18("10","4","8","5","9","10","1") = "9"
    & skf18("10","4","8","5","10","1","1") = "9"
    & skf18("10","4","8","5","10","2","1") = "9"
    & skf18("10","4","8","5","10","3","1") = "9"
    & skf18("10","4","8","5","10","4","1") = "9"
    & skf18("10","4","8","5","10","5","1") = "9"
    & skf18("10","4","8","5","10","6","1") = "9"
    & skf18("10","4","8","5","10","7","1") = "9"
    & skf18("10","4","8","5","10","8","1") = "9"
    & skf18("10","4","8","5","10","9","1") = "9"
    & skf18("10","4","8","5","10","10","1") = "9"
    & skf18("10","4","8","6","1","1","1") = "9"
    & skf18("10","4","8","6","1","2","1") = "9"
    & skf18("10","4","8","6","1","3","1") = "9"
    & skf18("10","4","8","6","1","4","1") = "9"
    & skf18("10","4","8","6","1","5","1") = "9"
    & skf18("10","4","8","6","1","6","1") = "9"
    & skf18("10","4","8","6","1","7","1") = "9"
    & skf18("10","4","8","6","1","8","1") = "9"
    & skf18("10","4","8","6","1","9","1") = "9"
    & skf18("10","4","8","6","1","10","1") = "9"
    & skf18("10","4","8","6","2","1","1") = "9"
    & skf18("10","4","8","6","2","2","1") = "9"
    & skf18("10","4","8","6","2","3","1") = "9"
    & skf18("10","4","8","6","2","4","1") = "9"
    & skf18("10","4","8","6","2","5","1") = "9"
    & skf18("10","4","8","6","2","6","1") = "9"
    & skf18("10","4","8","6","2","7","1") = "9"
    & skf18("10","4","8","6","2","8","1") = "9"
    & skf18("10","4","8","6","2","9","1") = "9"
    & skf18("10","4","8","6","2","10","1") = "9"
    & skf18("10","4","8","6","3","1","1") = "9"
    & skf18("10","4","8","6","3","2","1") = "9"
    & skf18("10","4","8","6","3","3","1") = "9"
    & skf18("10","4","8","6","3","4","1") = "9"
    & skf18("10","4","8","6","3","5","1") = "9"
    & skf18("10","4","8","6","3","6","1") = "9"
    & skf18("10","4","8","6","3","7","1") = "9"
    & skf18("10","4","8","6","3","8","1") = "9"
    & skf18("10","4","8","6","3","9","1") = "9"
    & skf18("10","4","8","6","3","10","1") = "9"
    & skf18("10","4","8","6","4","1","1") = "9"
    & skf18("10","4","8","6","4","2","1") = "9"
    & skf18("10","4","8","6","4","3","1") = "9"
    & skf18("10","4","8","6","4","4","1") = "9"
    & skf18("10","4","8","6","4","5","1") = "9"
    & skf18("10","4","8","6","4","6","1") = "9"
    & skf18("10","4","8","6","4","7","1") = "9"
    & skf18("10","4","8","6","4","8","1") = "9"
    & skf18("10","4","8","6","4","9","1") = "9"
    & skf18("10","4","8","6","4","10","1") = "9"
    & skf18("10","4","8","6","5","1","1") = "9"
    & skf18("10","4","8","6","5","2","1") = "9"
    & skf18("10","4","8","6","5","3","1") = "9"
    & skf18("10","4","8","6","5","4","1") = "9"
    & skf18("10","4","8","6","5","5","1") = "9"
    & skf18("10","4","8","6","5","6","1") = "9"
    & skf18("10","4","8","6","5","7","1") = "9"
    & skf18("10","4","8","6","5","8","1") = "9"
    & skf18("10","4","8","6","5","9","1") = "9"
    & skf18("10","4","8","6","5","10","1") = "9"
    & skf18("10","4","8","6","6","1","1") = "9"
    & skf18("10","4","8","6","6","2","1") = "9"
    & skf18("10","4","8","6","6","3","1") = "9"
    & skf18("10","4","8","6","6","4","1") = "9"
    & skf18("10","4","8","6","6","5","1") = "9"
    & skf18("10","4","8","6","6","6","1") = "9"
    & skf18("10","4","8","6","6","7","1") = "9"
    & skf18("10","4","8","6","6","8","1") = "9"
    & skf18("10","4","8","6","6","9","1") = "9"
    & skf18("10","4","8","6","6","10","1") = "9"
    & skf18("10","4","8","6","7","1","1") = "9"
    & skf18("10","4","8","6","7","2","1") = "9"
    & skf18("10","4","8","6","7","3","1") = "9"
    & skf18("10","4","8","6","7","4","1") = "9"
    & skf18("10","4","8","6","7","5","1") = "9"
    & skf18("10","4","8","6","7","6","1") = "9"
    & skf18("10","4","8","6","7","7","1") = "9"
    & skf18("10","4","8","6","7","8","1") = "9"
    & skf18("10","4","8","6","7","9","1") = "9"
    & skf18("10","4","8","6","7","10","1") = "9"
    & skf18("10","4","8","6","8","1","1") = "9"
    & skf18("10","4","8","6","8","2","1") = "9"
    & skf18("10","4","8","6","8","3","1") = "9"
    & skf18("10","4","8","6","8","4","1") = "9"
    & skf18("10","4","8","6","8","5","1") = "9"
    & skf18("10","4","8","6","8","6","1") = "9"
    & skf18("10","4","8","6","8","7","1") = "9"
    & skf18("10","4","8","6","8","8","1") = "9"
    & skf18("10","4","8","6","8","9","1") = "9"
    & skf18("10","4","8","6","8","10","1") = "9"
    & skf18("10","4","8","6","9","1","1") = "9"
    & skf18("10","4","8","6","9","2","1") = "9"
    & skf18("10","4","8","6","9","3","1") = "9"
    & skf18("10","4","8","6","9","4","1") = "9"
    & skf18("10","4","8","6","9","5","1") = "9"
    & skf18("10","4","8","6","9","6","1") = "9"
    & skf18("10","4","8","6","9","7","1") = "9"
    & skf18("10","4","8","6","9","8","1") = "9"
    & skf18("10","4","8","6","9","9","1") = "9"
    & skf18("10","4","8","6","9","10","1") = "9"
    & skf18("10","4","8","6","10","1","1") = "9"
    & skf18("10","4","8","6","10","2","1") = "9"
    & skf18("10","4","8","6","10","3","1") = "9"
    & skf18("10","4","8","6","10","4","1") = "9"
    & skf18("10","4","8","6","10","5","1") = "9"
    & skf18("10","4","8","6","10","6","1") = "9"
    & skf18("10","4","8","6","10","7","1") = "9"
    & skf18("10","4","8","6","10","8","1") = "9"
    & skf18("10","4","8","6","10","9","1") = "9"
    & skf18("10","4","8","6","10","10","1") = "9"
    & skf18("10","4","8","7","1","1","1") = "9"
    & skf18("10","4","8","7","1","2","1") = "9"
    & skf18("10","4","8","7","1","3","1") = "9"
    & skf18("10","4","8","7","1","4","1") = "9"
    & skf18("10","4","8","7","1","5","1") = "9"
    & skf18("10","4","8","7","1","6","1") = "9"
    & skf18("10","4","8","7","1","7","1") = "9"
    & skf18("10","4","8","7","1","8","1") = "9"
    & skf18("10","4","8","7","1","9","1") = "9"
    & skf18("10","4","8","7","1","10","1") = "9"
    & skf18("10","4","8","7","2","1","1") = "9"
    & skf18("10","4","8","7","2","2","1") = "9"
    & skf18("10","4","8","7","2","3","1") = "9"
    & skf18("10","4","8","7","2","4","1") = "9"
    & skf18("10","4","8","7","2","5","1") = "9"
    & skf18("10","4","8","7","2","6","1") = "9"
    & skf18("10","4","8","7","2","7","1") = "9"
    & skf18("10","4","8","7","2","8","1") = "9"
    & skf18("10","4","8","7","2","9","1") = "9"
    & skf18("10","4","8","7","2","10","1") = "9"
    & skf18("10","4","8","7","3","1","1") = "9"
    & skf18("10","4","8","7","3","2","1") = "9"
    & skf18("10","4","8","7","3","3","1") = "9"
    & skf18("10","4","8","7","3","4","1") = "9"
    & skf18("10","4","8","7","3","5","1") = "9"
    & skf18("10","4","8","7","3","6","1") = "9"
    & skf18("10","4","8","7","3","7","1") = "9"
    & skf18("10","4","8","7","3","8","1") = "9"
    & skf18("10","4","8","7","3","9","1") = "9"
    & skf18("10","4","8","7","3","10","1") = "9"
    & skf18("10","4","8","7","4","1","1") = "9"
    & skf18("10","4","8","7","4","2","1") = "9"
    & skf18("10","4","8","7","4","3","1") = "9"
    & skf18("10","4","8","7","4","4","1") = "9"
    & skf18("10","4","8","7","4","5","1") = "9"
    & skf18("10","4","8","7","4","6","1") = "9"
    & skf18("10","4","8","7","4","7","1") = "9"
    & skf18("10","4","8","7","4","8","1") = "9"
    & skf18("10","4","8","7","4","9","1") = "9"
    & skf18("10","4","8","7","4","10","1") = "9"
    & skf18("10","4","8","7","5","1","1") = "9"
    & skf18("10","4","8","7","5","2","1") = "9"
    & skf18("10","4","8","7","5","3","1") = "9"
    & skf18("10","4","8","7","5","4","1") = "9"
    & skf18("10","4","8","7","5","5","1") = "9"
    & skf18("10","4","8","7","5","6","1") = "9"
    & skf18("10","4","8","7","5","7","1") = "9"
    & skf18("10","4","8","7","5","8","1") = "9"
    & skf18("10","4","8","7","5","9","1") = "9"
    & skf18("10","4","8","7","5","10","1") = "9"
    & skf18("10","4","8","7","6","1","1") = "9"
    & skf18("10","4","8","7","6","2","1") = "9"
    & skf18("10","4","8","7","6","3","1") = "9"
    & skf18("10","4","8","7","6","4","1") = "9"
    & skf18("10","4","8","7","6","5","1") = "9"
    & skf18("10","4","8","7","6","6","1") = "9"
    & skf18("10","4","8","7","6","7","1") = "9"
    & skf18("10","4","8","7","6","8","1") = "9"
    & skf18("10","4","8","7","6","9","1") = "9"
    & skf18("10","4","8","7","6","10","1") = "9"
    & skf18("10","4","8","7","7","1","1") = "9"
    & skf18("10","4","8","7","7","2","1") = "9"
    & skf18("10","4","8","7","7","3","1") = "9"
    & skf18("10","4","8","7","7","4","1") = "9"
    & skf18("10","4","8","7","7","5","1") = "9"
    & skf18("10","4","8","7","7","6","1") = "9"
    & skf18("10","4","8","7","7","7","1") = "9"
    & skf18("10","4","8","7","7","8","1") = "9"
    & skf18("10","4","8","7","7","9","1") = "9"
    & skf18("10","4","8","7","7","10","1") = "9"
    & skf18("10","4","8","7","8","1","1") = "9"
    & skf18("10","4","8","7","8","2","1") = "9"
    & skf18("10","4","8","7","8","3","1") = "9"
    & skf18("10","4","8","7","8","4","1") = "9"
    & skf18("10","4","8","7","8","5","1") = "9"
    & skf18("10","4","8","7","8","6","1") = "9"
    & skf18("10","4","8","7","8","7","1") = "9"
    & skf18("10","4","8","7","8","8","1") = "9"
    & skf18("10","4","8","7","8","9","1") = "9"
    & skf18("10","4","8","7","8","10","1") = "9"
    & skf18("10","4","8","7","9","1","1") = "9"
    & skf18("10","4","8","7","9","2","1") = "9"
    & skf18("10","4","8","7","9","3","1") = "9"
    & skf18("10","4","8","7","9","4","1") = "9"
    & skf18("10","4","8","7","9","5","1") = "9"
    & skf18("10","4","8","7","9","6","1") = "9"
    & skf18("10","4","8","7","9","7","1") = "9"
    & skf18("10","4","8","7","9","8","1") = "9"
    & skf18("10","4","8","7","9","9","1") = "9"
    & skf18("10","4","8","7","9","10","1") = "9"
    & skf18("10","4","8","7","10","1","1") = "9"
    & skf18("10","4","8","7","10","2","1") = "9"
    & skf18("10","4","8","7","10","3","1") = "9"
    & skf18("10","4","8","7","10","4","1") = "9"
    & skf18("10","4","8","7","10","5","1") = "9"
    & skf18("10","4","8","7","10","6","1") = "9"
    & skf18("10","4","8","7","10","7","1") = "9"
    & skf18("10","4","8","7","10","8","1") = "9"
    & skf18("10","4","8","7","10","9","1") = "9"
    & skf18("10","4","8","7","10","10","1") = "9"
    & skf18("10","4","8","8","1","1","1") = "9"
    & skf18("10","4","8","8","1","2","1") = "9"
    & skf18("10","4","8","8","1","3","1") = "9"
    & skf18("10","4","8","8","1","4","1") = "9"
    & skf18("10","4","8","8","1","5","1") = "9"
    & skf18("10","4","8","8","1","6","1") = "9"
    & skf18("10","4","8","8","1","7","1") = "9"
    & skf18("10","4","8","8","1","8","1") = "9"
    & skf18("10","4","8","8","1","9","1") = "9"
    & skf18("10","4","8","8","1","10","1") = "9"
    & skf18("10","4","8","8","2","1","1") = "9"
    & skf18("10","4","8","8","2","2","1") = "9"
    & skf18("10","4","8","8","2","3","1") = "9"
    & skf18("10","4","8","8","2","4","1") = "9"
    & skf18("10","4","8","8","2","5","1") = "9"
    & skf18("10","4","8","8","2","6","1") = "9"
    & skf18("10","4","8","8","2","7","1") = "9"
    & skf18("10","4","8","8","2","8","1") = "9"
    & skf18("10","4","8","8","2","9","1") = "9"
    & skf18("10","4","8","8","2","10","1") = "9"
    & skf18("10","4","8","8","3","1","1") = "9"
    & skf18("10","4","8","8","3","2","1") = "9"
    & skf18("10","4","8","8","3","3","1") = "9"
    & skf18("10","4","8","8","3","4","1") = "9"
    & skf18("10","4","8","8","3","5","1") = "9"
    & skf18("10","4","8","8","3","6","1") = "9"
    & skf18("10","4","8","8","3","7","1") = "9"
    & skf18("10","4","8","8","3","8","1") = "9"
    & skf18("10","4","8","8","3","9","1") = "9"
    & skf18("10","4","8","8","3","10","1") = "9"
    & skf18("10","4","8","8","4","1","1") = "9"
    & skf18("10","4","8","8","4","2","1") = "9"
    & skf18("10","4","8","8","4","3","1") = "9"
    & skf18("10","4","8","8","4","4","1") = "9"
    & skf18("10","4","8","8","4","5","1") = "9"
    & skf18("10","4","8","8","4","6","1") = "9"
    & skf18("10","4","8","8","4","7","1") = "9"
    & skf18("10","4","8","8","4","8","1") = "9"
    & skf18("10","4","8","8","4","9","1") = "9"
    & skf18("10","4","8","8","4","10","1") = "9"
    & skf18("10","4","8","8","5","1","1") = "9"
    & skf18("10","4","8","8","5","2","1") = "9"
    & skf18("10","4","8","8","5","3","1") = "9"
    & skf18("10","4","8","8","5","4","1") = "9"
    & skf18("10","4","8","8","5","5","1") = "9"
    & skf18("10","4","8","8","5","6","1") = "9"
    & skf18("10","4","8","8","5","7","1") = "9"
    & skf18("10","4","8","8","5","8","1") = "9"
    & skf18("10","4","8","8","5","9","1") = "9"
    & skf18("10","4","8","8","5","10","1") = "9"
    & skf18("10","4","8","8","6","1","1") = "9"
    & skf18("10","4","8","8","6","2","1") = "9"
    & skf18("10","4","8","8","6","3","1") = "9"
    & skf18("10","4","8","8","6","4","1") = "9"
    & skf18("10","4","8","8","6","5","1") = "9"
    & skf18("10","4","8","8","6","6","1") = "9"
    & skf18("10","4","8","8","6","7","1") = "9"
    & skf18("10","4","8","8","6","8","1") = "9"
    & skf18("10","4","8","8","6","9","1") = "9"
    & skf18("10","4","8","8","6","10","1") = "9"
    & skf18("10","4","8","8","7","1","1") = "9"
    & skf18("10","4","8","8","7","2","1") = "9"
    & skf18("10","4","8","8","7","3","1") = "9"
    & skf18("10","4","8","8","7","4","1") = "9"
    & skf18("10","4","8","8","7","5","1") = "9"
    & skf18("10","4","8","8","7","6","1") = "9"
    & skf18("10","4","8","8","7","7","1") = "9"
    & skf18("10","4","8","8","7","8","1") = "9"
    & skf18("10","4","8","8","7","9","1") = "9"
    & skf18("10","4","8","8","7","10","1") = "9"
    & skf18("10","4","8","8","8","1","1") = "9"
    & skf18("10","4","8","8","8","2","1") = "9"
    & skf18("10","4","8","8","8","3","1") = "9"
    & skf18("10","4","8","8","8","4","1") = "9"
    & skf18("10","4","8","8","8","5","1") = "9"
    & skf18("10","4","8","8","8","6","1") = "9"
    & skf18("10","4","8","8","8","7","1") = "9"
    & skf18("10","4","8","8","8","8","1") = "9"
    & skf18("10","4","8","8","8","9","1") = "9"
    & skf18("10","4","8","8","8","10","1") = "9"
    & skf18("10","4","8","8","9","1","1") = "9"
    & skf18("10","4","8","8","9","2","1") = "9"
    & skf18("10","4","8","8","9","3","1") = "9"
    & skf18("10","4","8","8","9","4","1") = "9"
    & skf18("10","4","8","8","9","5","1") = "9"
    & skf18("10","4","8","8","9","6","1") = "9"
    & skf18("10","4","8","8","9","7","1") = "9"
    & skf18("10","4","8","8","9","8","1") = "9"
    & skf18("10","4","8","8","9","9","1") = "9"
    & skf18("10","4","8","8","9","10","1") = "9"
    & skf18("10","4","8","8","10","1","1") = "9"
    & skf18("10","4","8","8","10","2","1") = "9"
    & skf18("10","4","8","8","10","3","1") = "9"
    & skf18("10","4","8","8","10","4","1") = "9"
    & skf18("10","4","8","8","10","5","1") = "9"
    & skf18("10","4","8","8","10","6","1") = "9"
    & skf18("10","4","8","8","10","7","1") = "9"
    & skf18("10","4","8","8","10","8","1") = "9"
    & skf18("10","4","8","8","10","9","1") = "9"
    & skf18("10","4","8","8","10","10","1") = "9"
    & skf18("10","4","8","9","1","1","1") = "9"
    & skf18("10","4","8","9","1","2","1") = "9"
    & skf18("10","4","8","9","1","3","1") = "9"
    & skf18("10","4","8","9","1","4","1") = "9"
    & skf18("10","4","8","9","1","5","1") = "9"
    & skf18("10","4","8","9","1","6","1") = "9"
    & skf18("10","4","8","9","1","7","1") = "9"
    & skf18("10","4","8","9","1","8","1") = "9"
    & skf18("10","4","8","9","1","9","1") = "9"
    & skf18("10","4","8","9","1","10","1") = "9"
    & skf18("10","4","8","9","2","1","1") = "9"
    & skf18("10","4","8","9","2","2","1") = "9"
    & skf18("10","4","8","9","2","3","1") = "9"
    & skf18("10","4","8","9","2","4","1") = "9"
    & skf18("10","4","8","9","2","5","1") = "9"
    & skf18("10","4","8","9","2","6","1") = "9"
    & skf18("10","4","8","9","2","7","1") = "9"
    & skf18("10","4","8","9","2","8","1") = "9"
    & skf18("10","4","8","9","2","9","1") = "9"
    & skf18("10","4","8","9","2","10","1") = "9"
    & skf18("10","4","8","9","3","1","1") = "9"
    & skf18("10","4","8","9","3","2","1") = "9"
    & skf18("10","4","8","9","3","3","1") = "9"
    & skf18("10","4","8","9","3","4","1") = "9"
    & skf18("10","4","8","9","3","5","1") = "9"
    & skf18("10","4","8","9","3","6","1") = "9"
    & skf18("10","4","8","9","3","7","1") = "9"
    & skf18("10","4","8","9","3","8","1") = "9"
    & skf18("10","4","8","9","3","9","1") = "9"
    & skf18("10","4","8","9","3","10","1") = "9"
    & skf18("10","4","8","9","4","1","1") = "9"
    & skf18("10","4","8","9","4","2","1") = "9"
    & skf18("10","4","8","9","4","3","1") = "9"
    & skf18("10","4","8","9","4","4","1") = "9"
    & skf18("10","4","8","9","4","5","1") = "9"
    & skf18("10","4","8","9","4","6","1") = "9"
    & skf18("10","4","8","9","4","7","1") = "9"
    & skf18("10","4","8","9","4","8","1") = "9"
    & skf18("10","4","8","9","4","9","1") = "9"
    & skf18("10","4","8","9","4","10","1") = "9"
    & skf18("10","4","8","9","5","1","1") = "9"
    & skf18("10","4","8","9","5","2","1") = "9"
    & skf18("10","4","8","9","5","3","1") = "9"
    & skf18("10","4","8","9","5","4","1") = "9"
    & skf18("10","4","8","9","5","5","1") = "9"
    & skf18("10","4","8","9","5","6","1") = "9"
    & skf18("10","4","8","9","5","7","1") = "9"
    & skf18("10","4","8","9","5","8","1") = "9"
    & skf18("10","4","8","9","5","9","1") = "9"
    & skf18("10","4","8","9","5","10","1") = "9"
    & skf18("10","4","8","9","6","1","1") = "9"
    & skf18("10","4","8","9","6","2","1") = "9"
    & skf18("10","4","8","9","6","3","1") = "9"
    & skf18("10","4","8","9","6","4","1") = "9"
    & skf18("10","4","8","9","6","5","1") = "9"
    & skf18("10","4","8","9","6","6","1") = "9"
    & skf18("10","4","8","9","6","7","1") = "9"
    & skf18("10","4","8","9","6","8","1") = "9"
    & skf18("10","4","8","9","6","9","1") = "9"
    & skf18("10","4","8","9","6","10","1") = "9"
    & skf18("10","4","8","9","7","1","1") = "9"
    & skf18("10","4","8","9","7","2","1") = "9"
    & skf18("10","4","8","9","7","3","1") = "9"
    & skf18("10","4","8","9","7","4","1") = "9"
    & skf18("10","4","8","9","7","5","1") = "9"
    & skf18("10","4","8","9","7","6","1") = "9"
    & skf18("10","4","8","9","7","7","1") = "9"
    & skf18("10","4","8","9","7","8","1") = "9"
    & skf18("10","4","8","9","7","9","1") = "9"
    & skf18("10","4","8","9","7","10","1") = "9"
    & skf18("10","4","8","9","8","1","1") = "9"
    & skf18("10","4","8","9","8","2","1") = "9"
    & skf18("10","4","8","9","8","3","1") = "9"
    & skf18("10","4","8","9","8","4","1") = "9"
    & skf18("10","4","8","9","8","5","1") = "9"
    & skf18("10","4","8","9","8","6","1") = "9"
    & skf18("10","4","8","9","8","7","1") = "9"
    & skf18("10","4","8","9","8","8","1") = "9"
    & skf18("10","4","8","9","8","9","1") = "9"
    & skf18("10","4","8","9","8","10","1") = "9"
    & skf18("10","4","8","9","9","1","1") = "9"
    & skf18("10","4","8","9","9","2","1") = "9"
    & skf18("10","4","8","9","9","3","1") = "9"
    & skf18("10","4","8","9","9","4","1") = "9"
    & skf18("10","4","8","9","9","5","1") = "9"
    & skf18("10","4","8","9","9","6","1") = "9"
    & skf18("10","4","8","9","9","7","1") = "9"
    & skf18("10","4","8","9","9","8","1") = "9"
    & skf18("10","4","8","9","9","9","1") = "9"
    & skf18("10","4","8","9","9","10","1") = "9"
    & skf18("10","4","8","9","10","1","1") = "9"
    & skf18("10","4","8","9","10","2","1") = "9"
    & skf18("10","4","8","9","10","3","1") = "9"
    & skf18("10","4","8","9","10","4","1") = "9"
    & skf18("10","4","8","9","10","5","1") = "9"
    & skf18("10","4","8","9","10","6","1") = "9"
    & skf18("10","4","8","9","10","7","1") = "9"
    & skf18("10","4","8","9","10","8","1") = "9"
    & skf18("10","4","8","9","10","9","1") = "9"
    & skf18("10","4","8","9","10","10","1") = "9"
    & skf18("10","4","8","10","1","1","1") = "9"
    & skf18("10","4","8","10","1","2","1") = "9"
    & skf18("10","4","8","10","1","3","1") = "9"
    & skf18("10","4","8","10","1","4","1") = "9"
    & skf18("10","4","8","10","1","5","1") = "9"
    & skf18("10","4","8","10","1","6","1") = "9"
    & skf18("10","4","8","10","1","7","1") = "9"
    & skf18("10","4","8","10","1","8","1") = "9"
    & skf18("10","4","8","10","1","9","1") = "9"
    & skf18("10","4","8","10","1","10","1") = "9"
    & skf18("10","4","8","10","2","1","1") = "9"
    & skf18("10","4","8","10","2","2","1") = "9"
    & skf18("10","4","8","10","2","3","1") = "9"
    & skf18("10","4","8","10","2","4","1") = "9"
    & skf18("10","4","8","10","2","5","1") = "9"
    & skf18("10","4","8","10","2","6","1") = "9"
    & skf18("10","4","8","10","2","7","1") = "9"
    & skf18("10","4","8","10","2","8","1") = "9"
    & skf18("10","4","8","10","2","9","1") = "9"
    & skf18("10","4","8","10","2","10","1") = "9"
    & skf18("10","4","8","10","3","1","1") = "9"
    & skf18("10","4","8","10","3","2","1") = "9"
    & skf18("10","4","8","10","3","3","1") = "9"
    & skf18("10","4","8","10","3","4","1") = "9"
    & skf18("10","4","8","10","3","5","1") = "9"
    & skf18("10","4","8","10","3","6","1") = "9"
    & skf18("10","4","8","10","3","7","1") = "9"
    & skf18("10","4","8","10","3","8","1") = "9"
    & skf18("10","4","8","10","3","9","1") = "9"
    & skf18("10","4","8","10","3","10","1") = "9"
    & skf18("10","4","8","10","4","1","1") = "9"
    & skf18("10","4","8","10","4","2","1") = "9"
    & skf18("10","4","8","10","4","3","1") = "9"
    & skf18("10","4","8","10","4","4","1") = "9"
    & skf18("10","4","8","10","4","5","1") = "9"
    & skf18("10","4","8","10","4","6","1") = "9"
    & skf18("10","4","8","10","4","7","1") = "9"
    & skf18("10","4","8","10","4","8","1") = "9"
    & skf18("10","4","8","10","4","9","1") = "9"
    & skf18("10","4","8","10","4","10","1") = "9"
    & skf18("10","4","8","10","5","1","1") = "9"
    & skf18("10","4","8","10","5","2","1") = "9"
    & skf18("10","4","8","10","5","3","1") = "9"
    & skf18("10","4","8","10","5","4","1") = "9"
    & skf18("10","4","8","10","5","5","1") = "9"
    & skf18("10","4","8","10","5","6","1") = "9"
    & skf18("10","4","8","10","5","7","1") = "9"
    & skf18("10","4","8","10","5","8","1") = "9"
    & skf18("10","4","8","10","5","9","1") = "9"
    & skf18("10","4","8","10","5","10","1") = "9"
    & skf18("10","4","8","10","6","1","1") = "9"
    & skf18("10","4","8","10","6","2","1") = "9"
    & skf18("10","4","8","10","6","3","1") = "9"
    & skf18("10","4","8","10","6","4","1") = "9"
    & skf18("10","4","8","10","6","5","1") = "9"
    & skf18("10","4","8","10","6","6","1") = "9"
    & skf18("10","4","8","10","6","7","1") = "9"
    & skf18("10","4","8","10","6","8","1") = "9"
    & skf18("10","4","8","10","6","9","1") = "9"
    & skf18("10","4","8","10","6","10","1") = "9"
    & skf18("10","4","8","10","7","1","1") = "9"
    & skf18("10","4","8","10","7","2","1") = "9"
    & skf18("10","4","8","10","7","3","1") = "9"
    & skf18("10","4","8","10","7","4","1") = "9"
    & skf18("10","4","8","10","7","5","1") = "9"
    & skf18("10","4","8","10","7","6","1") = "9"
    & skf18("10","4","8","10","7","7","1") = "9"
    & skf18("10","4","8","10","7","8","1") = "9"
    & skf18("10","4","8","10","7","9","1") = "9"
    & skf18("10","4","8","10","7","10","1") = "9"
    & skf18("10","4","8","10","8","1","1") = "9"
    & skf18("10","4","8","10","8","2","1") = "9"
    & skf18("10","4","8","10","8","3","1") = "9"
    & skf18("10","4","8","10","8","4","1") = "9"
    & skf18("10","4","8","10","8","5","1") = "9"
    & skf18("10","4","8","10","8","6","1") = "9"
    & skf18("10","4","8","10","8","7","1") = "9"
    & skf18("10","4","8","10","8","8","1") = "9"
    & skf18("10","4","8","10","8","9","1") = "9"
    & skf18("10","4","8","10","8","10","1") = "9"
    & skf18("10","4","8","10","9","1","1") = "9"
    & skf18("10","4","8","10","9","2","1") = "9"
    & skf18("10","4","8","10","9","3","1") = "9"
    & skf18("10","4","8","10","9","4","1") = "9"
    & skf18("10","4","8","10","9","5","1") = "9"
    & skf18("10","4","8","10","9","6","1") = "9"
    & skf18("10","4","8","10","9","7","1") = "9"
    & skf18("10","4","8","10","9","8","1") = "9"
    & skf18("10","4","8","10","9","9","1") = "9"
    & skf18("10","4","8","10","9","10","1") = "9"
    & skf18("10","4","8","10","10","1","1") = "9"
    & skf18("10","4","8","10","10","2","1") = "9"
    & skf18("10","4","8","10","10","3","1") = "9"
    & skf18("10","4","8","10","10","4","1") = "9"
    & skf18("10","4","8","10","10","5","1") = "9"
    & skf18("10","4","8","10","10","6","1") = "9"
    & skf18("10","4","8","10","10","7","1") = "9"
    & skf18("10","4","8","10","10","8","1") = "9"
    & skf18("10","4","8","10","10","9","1") = "9"
    & skf18("10","4","8","10","10","10","1") = "9"
    & skf18("10","4","9","1","1","1","1") = "9"
    & skf18("10","4","9","1","1","2","1") = "9"
    & skf18("10","4","9","1","1","3","1") = "9"
    & skf18("10","4","9","1","1","4","1") = "9"
    & skf18("10","4","9","1","1","5","1") = "9"
    & skf18("10","4","9","1","1","6","1") = "9"
    & skf18("10","4","9","1","1","7","1") = "9"
    & skf18("10","4","9","1","1","8","1") = "9"
    & skf18("10","4","9","1","1","9","1") = "9"
    & skf18("10","4","9","1","1","10","1") = "9"
    & skf18("10","4","9","1","2","1","1") = "9"
    & skf18("10","4","9","1","2","2","1") = "9"
    & skf18("10","4","9","1","2","3","1") = "9"
    & skf18("10","4","9","1","2","4","1") = "9"
    & skf18("10","4","9","1","2","5","1") = "9"
    & skf18("10","4","9","1","2","6","1") = "9"
    & skf18("10","4","9","1","2","7","1") = "9"
    & skf18("10","4","9","1","2","8","1") = "9"
    & skf18("10","4","9","1","2","9","1") = "9"
    & skf18("10","4","9","1","2","10","1") = "9"
    & skf18("10","4","9","1","3","1","1") = "9"
    & skf18("10","4","9","1","3","2","1") = "9"
    & skf18("10","4","9","1","3","3","1") = "9"
    & skf18("10","4","9","1","3","4","1") = "9"
    & skf18("10","4","9","1","3","5","1") = "9"
    & skf18("10","4","9","1","3","6","1") = "9"
    & skf18("10","4","9","1","3","7","1") = "9"
    & skf18("10","4","9","1","3","8","1") = "9"
    & skf18("10","4","9","1","3","9","1") = "9"
    & skf18("10","4","9","1","3","10","1") = "9"
    & skf18("10","4","9","1","4","1","1") = "9"
    & skf18("10","4","9","1","4","2","1") = "9"
    & skf18("10","4","9","1","4","3","1") = "9"
    & skf18("10","4","9","1","4","4","1") = "9"
    & skf18("10","4","9","1","4","5","1") = "9"
    & skf18("10","4","9","1","4","6","1") = "9"
    & skf18("10","4","9","1","4","7","1") = "9"
    & skf18("10","4","9","1","4","8","1") = "9"
    & skf18("10","4","9","1","4","9","1") = "9"
    & skf18("10","4","9","1","4","10","1") = "9"
    & skf18("10","4","9","1","5","1","1") = "9"
    & skf18("10","4","9","1","5","2","1") = "9"
    & skf18("10","4","9","1","5","3","1") = "9"
    & skf18("10","4","9","1","5","4","1") = "9"
    & skf18("10","4","9","1","5","5","1") = "9"
    & skf18("10","4","9","1","5","6","1") = "9"
    & skf18("10","4","9","1","5","7","1") = "9"
    & skf18("10","4","9","1","5","8","1") = "9"
    & skf18("10","4","9","1","5","9","1") = "9"
    & skf18("10","4","9","1","5","10","1") = "9"
    & skf18("10","4","9","1","6","1","1") = "9"
    & skf18("10","4","9","1","6","2","1") = "9"
    & skf18("10","4","9","1","6","3","1") = "9"
    & skf18("10","4","9","1","6","4","1") = "9"
    & skf18("10","4","9","1","6","5","1") = "9"
    & skf18("10","4","9","1","6","6","1") = "9"
    & skf18("10","4","9","1","6","7","1") = "9"
    & skf18("10","4","9","1","6","8","1") = "9"
    & skf18("10","4","9","1","6","9","1") = "9"
    & skf18("10","4","9","1","6","10","1") = "9"
    & skf18("10","4","9","1","7","1","1") = "9"
    & skf18("10","4","9","1","7","2","1") = "9"
    & skf18("10","4","9","1","7","3","1") = "9"
    & skf18("10","4","9","1","7","4","1") = "9"
    & skf18("10","4","9","1","7","5","1") = "9"
    & skf18("10","4","9","1","7","6","1") = "9"
    & skf18("10","4","9","1","7","7","1") = "9"
    & skf18("10","4","9","1","7","8","1") = "9"
    & skf18("10","4","9","1","7","9","1") = "9"
    & skf18("10","4","9","1","7","10","1") = "9"
    & skf18("10","4","9","1","8","1","1") = "9"
    & skf18("10","4","9","1","8","2","1") = "9"
    & skf18("10","4","9","1","8","3","1") = "9"
    & skf18("10","4","9","1","8","4","1") = "9"
    & skf18("10","4","9","1","8","5","1") = "9"
    & skf18("10","4","9","1","8","6","1") = "9"
    & skf18("10","4","9","1","8","7","1") = "9"
    & skf18("10","4","9","1","8","8","1") = "9"
    & skf18("10","4","9","1","8","9","1") = "9"
    & skf18("10","4","9","1","8","10","1") = "9"
    & skf18("10","4","9","1","9","1","1") = "9"
    & skf18("10","4","9","1","9","2","1") = "9"
    & skf18("10","4","9","1","9","3","1") = "9"
    & skf18("10","4","9","1","9","4","1") = "9"
    & skf18("10","4","9","1","9","5","1") = "9"
    & skf18("10","4","9","1","9","6","1") = "9"
    & skf18("10","4","9","1","9","7","1") = "9"
    & skf18("10","4","9","1","9","8","1") = "9"
    & skf18("10","4","9","1","9","9","1") = "9"
    & skf18("10","4","9","1","9","10","1") = "9"
    & skf18("10","4","9","1","10","1","1") = "9"
    & skf18("10","4","9","1","10","2","1") = "9"
    & skf18("10","4","9","1","10","3","1") = "9"
    & skf18("10","4","9","1","10","4","1") = "9"
    & skf18("10","4","9","1","10","5","1") = "9"
    & skf18("10","4","9","1","10","6","1") = "9"
    & skf18("10","4","9","1","10","7","1") = "9"
    & skf18("10","4","9","1","10","8","1") = "9"
    & skf18("10","4","9","1","10","9","1") = "9"
    & skf18("10","4","9","1","10","10","1") = "9"
    & skf18("10","4","9","2","1","1","1") = "9"
    & skf18("10","4","9","2","1","2","1") = "9"
    & skf18("10","4","9","2","1","3","1") = "9"
    & skf18("10","4","9","2","1","4","1") = "9"
    & skf18("10","4","9","2","1","5","1") = "9"
    & skf18("10","4","9","2","1","6","1") = "9"
    & skf18("10","4","9","2","1","7","1") = "9"
    & skf18("10","4","9","2","1","8","1") = "9"
    & skf18("10","4","9","2","1","9","1") = "9"
    & skf18("10","4","9","2","1","10","1") = "9"
    & skf18("10","4","9","2","2","1","1") = "9"
    & skf18("10","4","9","2","2","2","1") = "9"
    & skf18("10","4","9","2","2","3","1") = "9"
    & skf18("10","4","9","2","2","4","1") = "9"
    & skf18("10","4","9","2","2","5","1") = "9"
    & skf18("10","4","9","2","2","6","1") = "9"
    & skf18("10","4","9","2","2","7","1") = "9"
    & skf18("10","4","9","2","2","8","1") = "9"
    & skf18("10","4","9","2","2","9","1") = "9"
    & skf18("10","4","9","2","2","10","1") = "9"
    & skf18("10","4","9","2","3","1","1") = "9"
    & skf18("10","4","9","2","3","2","1") = "9"
    & skf18("10","4","9","2","3","3","1") = "9"
    & skf18("10","4","9","2","3","4","1") = "9"
    & skf18("10","4","9","2","3","5","1") = "9"
    & skf18("10","4","9","2","3","6","1") = "9"
    & skf18("10","4","9","2","3","7","1") = "9"
    & skf18("10","4","9","2","3","8","1") = "9"
    & skf18("10","4","9","2","3","9","1") = "9"
    & skf18("10","4","9","2","3","10","1") = "9"
    & skf18("10","4","9","2","4","1","1") = "9"
    & skf18("10","4","9","2","4","2","1") = "9"
    & skf18("10","4","9","2","4","3","1") = "9"
    & skf18("10","4","9","2","4","4","1") = "9"
    & skf18("10","4","9","2","4","5","1") = "9"
    & skf18("10","4","9","2","4","6","1") = "9"
    & skf18("10","4","9","2","4","7","1") = "9"
    & skf18("10","4","9","2","4","8","1") = "9"
    & skf18("10","4","9","2","4","9","1") = "9"
    & skf18("10","4","9","2","4","10","1") = "9"
    & skf18("10","4","9","2","5","1","1") = "9"
    & skf18("10","4","9","2","5","2","1") = "9"
    & skf18("10","4","9","2","5","3","1") = "9"
    & skf18("10","4","9","2","5","4","1") = "9"
    & skf18("10","4","9","2","5","5","1") = "9"
    & skf18("10","4","9","2","5","6","1") = "9"
    & skf18("10","4","9","2","5","7","1") = "9"
    & skf18("10","4","9","2","5","8","1") = "9"
    & skf18("10","4","9","2","5","9","1") = "9"
    & skf18("10","4","9","2","5","10","1") = "9"
    & skf18("10","4","9","2","6","1","1") = "9"
    & skf18("10","4","9","2","6","2","1") = "9"
    & skf18("10","4","9","2","6","3","1") = "9"
    & skf18("10","4","9","2","6","4","1") = "9"
    & skf18("10","4","9","2","6","5","1") = "9"
    & skf18("10","4","9","2","6","6","1") = "9"
    & skf18("10","4","9","2","6","7","1") = "9"
    & skf18("10","4","9","2","6","8","1") = "9"
    & skf18("10","4","9","2","6","9","1") = "9"
    & skf18("10","4","9","2","6","10","1") = "9"
    & skf18("10","4","9","2","7","1","1") = "9"
    & skf18("10","4","9","2","7","2","1") = "9"
    & skf18("10","4","9","2","7","3","1") = "9"
    & skf18("10","4","9","2","7","4","1") = "9"
    & skf18("10","4","9","2","7","5","1") = "9"
    & skf18("10","4","9","2","7","6","1") = "9"
    & skf18("10","4","9","2","7","7","1") = "9"
    & skf18("10","4","9","2","7","8","1") = "9"
    & skf18("10","4","9","2","7","9","1") = "9"
    & skf18("10","4","9","2","7","10","1") = "9"
    & skf18("10","4","9","2","8","1","1") = "9"
    & skf18("10","4","9","2","8","2","1") = "9"
    & skf18("10","4","9","2","8","3","1") = "9"
    & skf18("10","4","9","2","8","4","1") = "9"
    & skf18("10","4","9","2","8","5","1") = "9"
    & skf18("10","4","9","2","8","6","1") = "9"
    & skf18("10","4","9","2","8","7","1") = "9"
    & skf18("10","4","9","2","8","8","1") = "9"
    & skf18("10","4","9","2","8","9","1") = "9"
    & skf18("10","4","9","2","8","10","1") = "9"
    & skf18("10","4","9","2","9","1","1") = "9"
    & skf18("10","4","9","2","9","2","1") = "9"
    & skf18("10","4","9","2","9","3","1") = "9"
    & skf18("10","4","9","2","9","4","1") = "9"
    & skf18("10","4","9","2","9","5","1") = "9"
    & skf18("10","4","9","2","9","6","1") = "9"
    & skf18("10","4","9","2","9","7","1") = "9"
    & skf18("10","4","9","2","9","8","1") = "9"
    & skf18("10","4","9","2","9","9","1") = "9"
    & skf18("10","4","9","2","9","10","1") = "9"
    & skf18("10","4","9","2","10","1","1") = "9"
    & skf18("10","4","9","2","10","2","1") = "9"
    & skf18("10","4","9","2","10","3","1") = "9"
    & skf18("10","4","9","2","10","4","1") = "9"
    & skf18("10","4","9","2","10","5","1") = "9"
    & skf18("10","4","9","2","10","6","1") = "9"
    & skf18("10","4","9","2","10","7","1") = "9"
    & skf18("10","4","9","2","10","8","1") = "9"
    & skf18("10","4","9","2","10","9","1") = "9"
    & skf18("10","4","9","2","10","10","1") = "9"
    & skf18("10","4","9","3","1","1","1") = "9"
    & skf18("10","4","9","3","1","2","1") = "9"
    & skf18("10","4","9","3","1","3","1") = "9"
    & skf18("10","4","9","3","1","4","1") = "9"
    & skf18("10","4","9","3","1","5","1") = "9"
    & skf18("10","4","9","3","1","6","1") = "9"
    & skf18("10","4","9","3","1","7","1") = "9"
    & skf18("10","4","9","3","1","8","1") = "9"
    & skf18("10","4","9","3","1","9","1") = "9"
    & skf18("10","4","9","3","1","10","1") = "9"
    & skf18("10","4","9","3","2","1","1") = "9"
    & skf18("10","4","9","3","2","2","1") = "9"
    & skf18("10","4","9","3","2","3","1") = "9"
    & skf18("10","4","9","3","2","4","1") = "9"
    & skf18("10","4","9","3","2","5","1") = "9"
    & skf18("10","4","9","3","2","6","1") = "9"
    & skf18("10","4","9","3","2","7","1") = "9"
    & skf18("10","4","9","3","2","8","1") = "9"
    & skf18("10","4","9","3","2","9","1") = "9"
    & skf18("10","4","9","3","2","10","1") = "9"
    & skf18("10","4","9","3","3","1","1") = "9"
    & skf18("10","4","9","3","3","2","1") = "9"
    & skf18("10","4","9","3","3","3","1") = "9"
    & skf18("10","4","9","3","3","4","1") = "9"
    & skf18("10","4","9","3","3","5","1") = "9"
    & skf18("10","4","9","3","3","6","1") = "9"
    & skf18("10","4","9","3","3","7","1") = "9"
    & skf18("10","4","9","3","3","8","1") = "9"
    & skf18("10","4","9","3","3","9","1") = "9"
    & skf18("10","4","9","3","3","10","1") = "9"
    & skf18("10","4","9","3","4","1","1") = "9"
    & skf18("10","4","9","3","4","2","1") = "9"
    & skf18("10","4","9","3","4","3","1") = "9"
    & skf18("10","4","9","3","4","4","1") = "9"
    & skf18("10","4","9","3","4","5","1") = "9"
    & skf18("10","4","9","3","4","6","1") = "9"
    & skf18("10","4","9","3","4","7","1") = "9"
    & skf18("10","4","9","3","4","8","1") = "9"
    & skf18("10","4","9","3","4","9","1") = "9"
    & skf18("10","4","9","3","4","10","1") = "9"
    & skf18("10","4","9","3","5","1","1") = "9"
    & skf18("10","4","9","3","5","2","1") = "9"
    & skf18("10","4","9","3","5","3","1") = "9"
    & skf18("10","4","9","3","5","4","1") = "9"
    & skf18("10","4","9","3","5","5","1") = "9"
    & skf18("10","4","9","3","5","6","1") = "9"
    & skf18("10","4","9","3","5","7","1") = "9"
    & skf18("10","4","9","3","5","8","1") = "9"
    & skf18("10","4","9","3","5","9","1") = "9"
    & skf18("10","4","9","3","5","10","1") = "9"
    & skf18("10","4","9","3","6","1","1") = "9"
    & skf18("10","4","9","3","6","2","1") = "9"
    & skf18("10","4","9","3","6","3","1") = "9"
    & skf18("10","4","9","3","6","4","1") = "9"
    & skf18("10","4","9","3","6","5","1") = "9"
    & skf18("10","4","9","3","6","6","1") = "9"
    & skf18("10","4","9","3","6","7","1") = "9"
    & skf18("10","4","9","3","6","8","1") = "9"
    & skf18("10","4","9","3","6","9","1") = "9"
    & skf18("10","4","9","3","6","10","1") = "9"
    & skf18("10","4","9","3","7","1","1") = "9"
    & skf18("10","4","9","3","7","2","1") = "9"
    & skf18("10","4","9","3","7","3","1") = "9"
    & skf18("10","4","9","3","7","4","1") = "9"
    & skf18("10","4","9","3","7","5","1") = "9"
    & skf18("10","4","9","3","7","6","1") = "9"
    & skf18("10","4","9","3","7","7","1") = "9"
    & skf18("10","4","9","3","7","8","1") = "9"
    & skf18("10","4","9","3","7","9","1") = "9"
    & skf18("10","4","9","3","7","10","1") = "9"
    & skf18("10","4","9","3","8","1","1") = "9"
    & skf18("10","4","9","3","8","2","1") = "9"
    & skf18("10","4","9","3","8","3","1") = "9"
    & skf18("10","4","9","3","8","4","1") = "9"
    & skf18("10","4","9","3","8","5","1") = "9"
    & skf18("10","4","9","3","8","6","1") = "9"
    & skf18("10","4","9","3","8","7","1") = "9"
    & skf18("10","4","9","3","8","8","1") = "9"
    & skf18("10","4","9","3","8","9","1") = "9"
    & skf18("10","4","9","3","8","10","1") = "9"
    & skf18("10","4","9","3","9","1","1") = "9"
    & skf18("10","4","9","3","9","2","1") = "9"
    & skf18("10","4","9","3","9","3","1") = "9"
    & skf18("10","4","9","3","9","4","1") = "9"
    & skf18("10","4","9","3","9","5","1") = "9"
    & skf18("10","4","9","3","9","6","1") = "9"
    & skf18("10","4","9","3","9","7","1") = "9"
    & skf18("10","4","9","3","9","8","1") = "9"
    & skf18("10","4","9","3","9","9","1") = "9"
    & skf18("10","4","9","3","9","10","1") = "9"
    & skf18("10","4","9","3","10","1","1") = "9"
    & skf18("10","4","9","3","10","2","1") = "9"
    & skf18("10","4","9","3","10","3","1") = "9"
    & skf18("10","4","9","3","10","4","1") = "9"
    & skf18("10","4","9","3","10","5","1") = "9"
    & skf18("10","4","9","3","10","6","1") = "9"
    & skf18("10","4","9","3","10","7","1") = "9"
    & skf18("10","4","9","3","10","8","1") = "9"
    & skf18("10","4","9","3","10","9","1") = "9"
    & skf18("10","4","9","3","10","10","1") = "9"
    & skf18("10","4","9","4","1","1","1") = "9"
    & skf18("10","4","9","4","1","2","1") = "9"
    & skf18("10","4","9","4","1","3","1") = "9"
    & skf18("10","4","9","4","1","4","1") = "9"
    & skf18("10","4","9","4","1","5","1") = "9"
    & skf18("10","4","9","4","1","6","1") = "9"
    & skf18("10","4","9","4","1","7","1") = "9"
    & skf18("10","4","9","4","1","8","1") = "9"
    & skf18("10","4","9","4","1","9","1") = "9"
    & skf18("10","4","9","4","1","10","1") = "9"
    & skf18("10","4","9","4","2","1","1") = "9"
    & skf18("10","4","9","4","2","2","1") = "9"
    & skf18("10","4","9","4","2","3","1") = "9"
    & skf18("10","4","9","4","2","4","1") = "9"
    & skf18("10","4","9","4","2","5","1") = "9"
    & skf18("10","4","9","4","2","6","1") = "9"
    & skf18("10","4","9","4","2","7","1") = "9"
    & skf18("10","4","9","4","2","8","1") = "9"
    & skf18("10","4","9","4","2","9","1") = "9"
    & skf18("10","4","9","4","2","10","1") = "9"
    & skf18("10","4","9","4","3","1","1") = "9"
    & skf18("10","4","9","4","3","2","1") = "9"
    & skf18("10","4","9","4","3","3","1") = "9"
    & skf18("10","4","9","4","3","4","1") = "9"
    & skf18("10","4","9","4","3","5","1") = "9"
    & skf18("10","4","9","4","3","6","1") = "9"
    & skf18("10","4","9","4","3","7","1") = "9"
    & skf18("10","4","9","4","3","8","1") = "9"
    & skf18("10","4","9","4","3","9","1") = "9"
    & skf18("10","4","9","4","3","10","1") = "9"
    & skf18("10","4","9","4","4","1","1") = "9"
    & skf18("10","4","9","4","4","2","1") = "9"
    & skf18("10","4","9","4","4","3","1") = "9"
    & skf18("10","4","9","4","4","4","1") = "9"
    & skf18("10","4","9","4","4","5","1") = "9"
    & skf18("10","4","9","4","4","6","1") = "9"
    & skf18("10","4","9","4","4","7","1") = "9"
    & skf18("10","4","9","4","4","8","1") = "9"
    & skf18("10","4","9","4","4","9","1") = "9"
    & skf18("10","4","9","4","4","10","1") = "9"
    & skf18("10","4","9","4","5","1","1") = "9"
    & skf18("10","4","9","4","5","2","1") = "9"
    & skf18("10","4","9","4","5","3","1") = "9"
    & skf18("10","4","9","4","5","4","1") = "9"
    & skf18("10","4","9","4","5","5","1") = "9"
    & skf18("10","4","9","4","5","6","1") = "9"
    & skf18("10","4","9","4","5","7","1") = "9"
    & skf18("10","4","9","4","5","8","1") = "9"
    & skf18("10","4","9","4","5","9","1") = "9"
    & skf18("10","4","9","4","5","10","1") = "9"
    & skf18("10","4","9","4","6","1","1") = "9"
    & skf18("10","4","9","4","6","2","1") = "9"
    & skf18("10","4","9","4","6","3","1") = "9"
    & skf18("10","4","9","4","6","4","1") = "9"
    & skf18("10","4","9","4","6","5","1") = "9"
    & skf18("10","4","9","4","6","6","1") = "9"
    & skf18("10","4","9","4","6","7","1") = "9"
    & skf18("10","4","9","4","6","8","1") = "9"
    & skf18("10","4","9","4","6","9","1") = "9"
    & skf18("10","4","9","4","6","10","1") = "9"
    & skf18("10","4","9","4","7","1","1") = "9"
    & skf18("10","4","9","4","7","2","1") = "9"
    & skf18("10","4","9","4","7","3","1") = "9"
    & skf18("10","4","9","4","7","4","1") = "9"
    & skf18("10","4","9","4","7","5","1") = "9"
    & skf18("10","4","9","4","7","6","1") = "9"
    & skf18("10","4","9","4","7","7","1") = "9"
    & skf18("10","4","9","4","7","8","1") = "9"
    & skf18("10","4","9","4","7","9","1") = "9"
    & skf18("10","4","9","4","7","10","1") = "9"
    & skf18("10","4","9","4","8","1","1") = "9"
    & skf18("10","4","9","4","8","2","1") = "9"
    & skf18("10","4","9","4","8","3","1") = "9"
    & skf18("10","4","9","4","8","4","1") = "9"
    & skf18("10","4","9","4","8","5","1") = "9"
    & skf18("10","4","9","4","8","6","1") = "9"
    & skf18("10","4","9","4","8","7","1") = "9"
    & skf18("10","4","9","4","8","8","1") = "9"
    & skf18("10","4","9","4","8","9","1") = "9"
    & skf18("10","4","9","4","8","10","1") = "9"
    & skf18("10","4","9","4","9","1","1") = "9"
    & skf18("10","4","9","4","9","2","1") = "9"
    & skf18("10","4","9","4","9","3","1") = "9"
    & skf18("10","4","9","4","9","4","1") = "9"
    & skf18("10","4","9","4","9","5","1") = "9"
    & skf18("10","4","9","4","9","6","1") = "9"
    & skf18("10","4","9","4","9","7","1") = "9"
    & skf18("10","4","9","4","9","8","1") = "9"
    & skf18("10","4","9","4","9","9","1") = "9"
    & skf18("10","4","9","4","9","10","1") = "9"
    & skf18("10","4","9","4","10","1","1") = "9"
    & skf18("10","4","9","4","10","2","1") = "9"
    & skf18("10","4","9","4","10","3","1") = "9"
    & skf18("10","4","9","4","10","4","1") = "9"
    & skf18("10","4","9","4","10","5","1") = "9"
    & skf18("10","4","9","4","10","6","1") = "9"
    & skf18("10","4","9","4","10","7","1") = "9"
    & skf18("10","4","9","4","10","8","1") = "9"
    & skf18("10","4","9","4","10","9","1") = "9"
    & skf18("10","4","9","4","10","10","1") = "9"
    & skf18("10","4","9","5","1","1","1") = "9"
    & skf18("10","4","9","5","1","2","1") = "9"
    & skf18("10","4","9","5","1","3","1") = "9"
    & skf18("10","4","9","5","1","4","1") = "9"
    & skf18("10","4","9","5","1","5","1") = "9"
    & skf18("10","4","9","5","1","6","1") = "9"
    & skf18("10","4","9","5","1","7","1") = "9"
    & skf18("10","4","9","5","1","8","1") = "9"
    & skf18("10","4","9","5","1","9","1") = "9"
    & skf18("10","4","9","5","1","10","1") = "9"
    & skf18("10","4","9","5","2","1","1") = "9"
    & skf18("10","4","9","5","2","2","1") = "9"
    & skf18("10","4","9","5","2","3","1") = "9"
    & skf18("10","4","9","5","2","4","1") = "9"
    & skf18("10","4","9","5","2","5","1") = "9"
    & skf18("10","4","9","5","2","6","1") = "9"
    & skf18("10","4","9","5","2","7","1") = "9"
    & skf18("10","4","9","5","2","8","1") = "9"
    & skf18("10","4","9","5","2","9","1") = "9"
    & skf18("10","4","9","5","2","10","1") = "9"
    & skf18("10","4","9","5","3","1","1") = "9"
    & skf18("10","4","9","5","3","2","1") = "9"
    & skf18("10","4","9","5","3","3","1") = "9"
    & skf18("10","4","9","5","3","4","1") = "9"
    & skf18("10","4","9","5","3","5","1") = "9"
    & skf18("10","4","9","5","3","6","1") = "9"
    & skf18("10","4","9","5","3","7","1") = "9"
    & skf18("10","4","9","5","3","8","1") = "9"
    & skf18("10","4","9","5","3","9","1") = "9"
    & skf18("10","4","9","5","3","10","1") = "9"
    & skf18("10","4","9","5","4","1","1") = "9"
    & skf18("10","4","9","5","4","2","1") = "9"
    & skf18("10","4","9","5","4","3","1") = "9"
    & skf18("10","4","9","5","4","4","1") = "9"
    & skf18("10","4","9","5","4","5","1") = "9"
    & skf18("10","4","9","5","4","6","1") = "9"
    & skf18("10","4","9","5","4","7","1") = "9"
    & skf18("10","4","9","5","4","8","1") = "9"
    & skf18("10","4","9","5","4","9","1") = "9"
    & skf18("10","4","9","5","4","10","1") = "9"
    & skf18("10","4","9","5","5","1","1") = "9"
    & skf18("10","4","9","5","5","2","1") = "9"
    & skf18("10","4","9","5","5","3","1") = "9"
    & skf18("10","4","9","5","5","4","1") = "9"
    & skf18("10","4","9","5","5","5","1") = "9"
    & skf18("10","4","9","5","5","6","1") = "9"
    & skf18("10","4","9","5","5","7","1") = "9"
    & skf18("10","4","9","5","5","8","1") = "9"
    & skf18("10","4","9","5","5","9","1") = "9"
    & skf18("10","4","9","5","5","10","1") = "9"
    & skf18("10","4","9","5","6","1","1") = "9"
    & skf18("10","4","9","5","6","2","1") = "9"
    & skf18("10","4","9","5","6","3","1") = "9"
    & skf18("10","4","9","5","6","4","1") = "9"
    & skf18("10","4","9","5","6","5","1") = "9"
    & skf18("10","4","9","5","6","6","1") = "9"
    & skf18("10","4","9","5","6","7","1") = "9"
    & skf18("10","4","9","5","6","8","1") = "9"
    & skf18("10","4","9","5","6","9","1") = "9"
    & skf18("10","4","9","5","6","10","1") = "9"
    & skf18("10","4","9","5","7","1","1") = "9"
    & skf18("10","4","9","5","7","2","1") = "9"
    & skf18("10","4","9","5","7","3","1") = "9"
    & skf18("10","4","9","5","7","4","1") = "9"
    & skf18("10","4","9","5","7","5","1") = "9"
    & skf18("10","4","9","5","7","6","1") = "9"
    & skf18("10","4","9","5","7","7","1") = "9"
    & skf18("10","4","9","5","7","8","1") = "9"
    & skf18("10","4","9","5","7","9","1") = "9"
    & skf18("10","4","9","5","7","10","1") = "9"
    & skf18("10","4","9","5","8","1","1") = "9"
    & skf18("10","4","9","5","8","2","1") = "9"
    & skf18("10","4","9","5","8","3","1") = "9"
    & skf18("10","4","9","5","8","4","1") = "9"
    & skf18("10","4","9","5","8","5","1") = "9"
    & skf18("10","4","9","5","8","6","1") = "9"
    & skf18("10","4","9","5","8","7","1") = "9"
    & skf18("10","4","9","5","8","8","1") = "9"
    & skf18("10","4","9","5","8","9","1") = "9"
    & skf18("10","4","9","5","8","10","1") = "9"
    & skf18("10","4","9","5","9","1","1") = "9"
    & skf18("10","4","9","5","9","2","1") = "9"
    & skf18("10","4","9","5","9","3","1") = "9"
    & skf18("10","4","9","5","9","4","1") = "9"
    & skf18("10","4","9","5","9","5","1") = "9"
    & skf18("10","4","9","5","9","6","1") = "9"
    & skf18("10","4","9","5","9","7","1") = "9"
    & skf18("10","4","9","5","9","8","1") = "9"
    & skf18("10","4","9","5","9","9","1") = "9"
    & skf18("10","4","9","5","9","10","1") = "9"
    & skf18("10","4","9","5","10","1","1") = "9"
    & skf18("10","4","9","5","10","2","1") = "9"
    & skf18("10","4","9","5","10","3","1") = "9"
    & skf18("10","4","9","5","10","4","1") = "9"
    & skf18("10","4","9","5","10","5","1") = "9"
    & skf18("10","4","9","5","10","6","1") = "9"
    & skf18("10","4","9","5","10","7","1") = "9"
    & skf18("10","4","9","5","10","8","1") = "9"
    & skf18("10","4","9","5","10","9","1") = "9"
    & skf18("10","4","9","5","10","10","1") = "9"
    & skf18("10","4","9","6","1","1","1") = "9"
    & skf18("10","4","9","6","1","2","1") = "9"
    & skf18("10","4","9","6","1","3","1") = "9"
    & skf18("10","4","9","6","1","4","1") = "9"
    & skf18("10","4","9","6","1","5","1") = "9"
    & skf18("10","4","9","6","1","6","1") = "9"
    & skf18("10","4","9","6","1","7","1") = "9"
    & skf18("10","4","9","6","1","8","1") = "9"
    & skf18("10","4","9","6","1","9","1") = "9"
    & skf18("10","4","9","6","1","10","1") = "9"
    & skf18("10","4","9","6","2","1","1") = "9"
    & skf18("10","4","9","6","2","2","1") = "9"
    & skf18("10","4","9","6","2","3","1") = "9"
    & skf18("10","4","9","6","2","4","1") = "9"
    & skf18("10","4","9","6","2","5","1") = "9"
    & skf18("10","4","9","6","2","6","1") = "9"
    & skf18("10","4","9","6","2","7","1") = "9"
    & skf18("10","4","9","6","2","8","1") = "9"
    & skf18("10","4","9","6","2","9","1") = "9"
    & skf18("10","4","9","6","2","10","1") = "9"
    & skf18("10","4","9","6","3","1","1") = "9"
    & skf18("10","4","9","6","3","2","1") = "9"
    & skf18("10","4","9","6","3","3","1") = "9"
    & skf18("10","4","9","6","3","4","1") = "9"
    & skf18("10","4","9","6","3","5","1") = "9"
    & skf18("10","4","9","6","3","6","1") = "9"
    & skf18("10","4","9","6","3","7","1") = "9"
    & skf18("10","4","9","6","3","8","1") = "9"
    & skf18("10","4","9","6","3","9","1") = "9"
    & skf18("10","4","9","6","3","10","1") = "9"
    & skf18("10","4","9","6","4","1","1") = "9"
    & skf18("10","4","9","6","4","2","1") = "9"
    & skf18("10","4","9","6","4","3","1") = "9"
    & skf18("10","4","9","6","4","4","1") = "9"
    & skf18("10","4","9","6","4","5","1") = "9"
    & skf18("10","4","9","6","4","6","1") = "9"
    & skf18("10","4","9","6","4","7","1") = "9"
    & skf18("10","4","9","6","4","8","1") = "9"
    & skf18("10","4","9","6","4","9","1") = "9"
    & skf18("10","4","9","6","4","10","1") = "9"
    & skf18("10","4","9","6","5","1","1") = "9"
    & skf18("10","4","9","6","5","2","1") = "9"
    & skf18("10","4","9","6","5","3","1") = "9"
    & skf18("10","4","9","6","5","4","1") = "9"
    & skf18("10","4","9","6","5","5","1") = "9"
    & skf18("10","4","9","6","5","6","1") = "9"
    & skf18("10","4","9","6","5","7","1") = "9"
    & skf18("10","4","9","6","5","8","1") = "9"
    & skf18("10","4","9","6","5","9","1") = "9"
    & skf18("10","4","9","6","5","10","1") = "9"
    & skf18("10","4","9","6","6","1","1") = "9"
    & skf18("10","4","9","6","6","2","1") = "9"
    & skf18("10","4","9","6","6","3","1") = "9"
    & skf18("10","4","9","6","6","4","1") = "9"
    & skf18("10","4","9","6","6","5","1") = "9"
    & skf18("10","4","9","6","6","6","1") = "9"
    & skf18("10","4","9","6","6","7","1") = "9"
    & skf18("10","4","9","6","6","8","1") = "9"
    & skf18("10","4","9","6","6","9","1") = "9"
    & skf18("10","4","9","6","6","10","1") = "9"
    & skf18("10","4","9","6","7","1","1") = "9"
    & skf18("10","4","9","6","7","2","1") = "9"
    & skf18("10","4","9","6","7","3","1") = "9"
    & skf18("10","4","9","6","7","4","1") = "9"
    & skf18("10","4","9","6","7","5","1") = "9"
    & skf18("10","4","9","6","7","6","1") = "9"
    & skf18("10","4","9","6","7","7","1") = "9"
    & skf18("10","4","9","6","7","8","1") = "9"
    & skf18("10","4","9","6","7","9","1") = "9"
    & skf18("10","4","9","6","7","10","1") = "9"
    & skf18("10","4","9","6","8","1","1") = "9"
    & skf18("10","4","9","6","8","2","1") = "9"
    & skf18("10","4","9","6","8","3","1") = "9"
    & skf18("10","4","9","6","8","4","1") = "9"
    & skf18("10","4","9","6","8","5","1") = "9"
    & skf18("10","4","9","6","8","6","1") = "9"
    & skf18("10","4","9","6","8","7","1") = "9"
    & skf18("10","4","9","6","8","8","1") = "9"
    & skf18("10","4","9","6","8","9","1") = "9"
    & skf18("10","4","9","6","8","10","1") = "9"
    & skf18("10","4","9","6","9","1","1") = "9"
    & skf18("10","4","9","6","9","2","1") = "9"
    & skf18("10","4","9","6","9","3","1") = "9"
    & skf18("10","4","9","6","9","4","1") = "9"
    & skf18("10","4","9","6","9","5","1") = "9"
    & skf18("10","4","9","6","9","6","1") = "9"
    & skf18("10","4","9","6","9","7","1") = "9"
    & skf18("10","4","9","6","9","8","1") = "9"
    & skf18("10","4","9","6","9","9","1") = "9"
    & skf18("10","4","9","6","9","10","1") = "9"
    & skf18("10","4","9","6","10","1","1") = "9"
    & skf18("10","4","9","6","10","2","1") = "9"
    & skf18("10","4","9","6","10","3","1") = "9"
    & skf18("10","4","9","6","10","4","1") = "9"
    & skf18("10","4","9","6","10","5","1") = "9"
    & skf18("10","4","9","6","10","6","1") = "9"
    & skf18("10","4","9","6","10","7","1") = "9"
    & skf18("10","4","9","6","10","8","1") = "9"
    & skf18("10","4","9","6","10","9","1") = "9"
    & skf18("10","4","9","6","10","10","1") = "9"
    & skf18("10","4","9","7","1","1","1") = "9"
    & skf18("10","4","9","7","1","2","1") = "9"
    & skf18("10","4","9","7","1","3","1") = "9"
    & skf18("10","4","9","7","1","4","1") = "9"
    & skf18("10","4","9","7","1","5","1") = "9"
    & skf18("10","4","9","7","1","6","1") = "9"
    & skf18("10","4","9","7","1","7","1") = "9"
    & skf18("10","4","9","7","1","8","1") = "9"
    & skf18("10","4","9","7","1","9","1") = "9"
    & skf18("10","4","9","7","1","10","1") = "9"
    & skf18("10","4","9","7","2","1","1") = "9"
    & skf18("10","4","9","7","2","2","1") = "9"
    & skf18("10","4","9","7","2","3","1") = "9"
    & skf18("10","4","9","7","2","4","1") = "9"
    & skf18("10","4","9","7","2","5","1") = "9"
    & skf18("10","4","9","7","2","6","1") = "9"
    & skf18("10","4","9","7","2","7","1") = "9"
    & skf18("10","4","9","7","2","8","1") = "9"
    & skf18("10","4","9","7","2","9","1") = "9"
    & skf18("10","4","9","7","2","10","1") = "9"
    & skf18("10","4","9","7","3","1","1") = "9"
    & skf18("10","4","9","7","3","2","1") = "9"
    & skf18("10","4","9","7","3","3","1") = "9"
    & skf18("10","4","9","7","3","4","1") = "9"
    & skf18("10","4","9","7","3","5","1") = "9"
    & skf18("10","4","9","7","3","6","1") = "9"
    & skf18("10","4","9","7","3","7","1") = "9"
    & skf18("10","4","9","7","3","8","1") = "9"
    & skf18("10","4","9","7","3","9","1") = "9"
    & skf18("10","4","9","7","3","10","1") = "9"
    & skf18("10","4","9","7","4","1","1") = "9"
    & skf18("10","4","9","7","4","2","1") = "9"
    & skf18("10","4","9","7","4","3","1") = "9"
    & skf18("10","4","9","7","4","4","1") = "9"
    & skf18("10","4","9","7","4","5","1") = "9"
    & skf18("10","4","9","7","4","6","1") = "9"
    & skf18("10","4","9","7","4","7","1") = "9"
    & skf18("10","4","9","7","4","8","1") = "9"
    & skf18("10","4","9","7","4","9","1") = "9"
    & skf18("10","4","9","7","4","10","1") = "9"
    & skf18("10","4","9","7","5","1","1") = "9"
    & skf18("10","4","9","7","5","2","1") = "9"
    & skf18("10","4","9","7","5","3","1") = "9"
    & skf18("10","4","9","7","5","4","1") = "9"
    & skf18("10","4","9","7","5","5","1") = "9"
    & skf18("10","4","9","7","5","6","1") = "9"
    & skf18("10","4","9","7","5","7","1") = "9"
    & skf18("10","4","9","7","5","8","1") = "9"
    & skf18("10","4","9","7","5","9","1") = "9"
    & skf18("10","4","9","7","5","10","1") = "9"
    & skf18("10","4","9","7","6","1","1") = "9"
    & skf18("10","4","9","7","6","2","1") = "9"
    & skf18("10","4","9","7","6","3","1") = "9"
    & skf18("10","4","9","7","6","4","1") = "9"
    & skf18("10","4","9","7","6","5","1") = "9"
    & skf18("10","4","9","7","6","6","1") = "9"
    & skf18("10","4","9","7","6","7","1") = "9"
    & skf18("10","4","9","7","6","8","1") = "9"
    & skf18("10","4","9","7","6","9","1") = "9"
    & skf18("10","4","9","7","6","10","1") = "9"
    & skf18("10","4","9","7","7","1","1") = "9"
    & skf18("10","4","9","7","7","2","1") = "9"
    & skf18("10","4","9","7","7","3","1") = "9"
    & skf18("10","4","9","7","7","4","1") = "9"
    & skf18("10","4","9","7","7","5","1") = "9"
    & skf18("10","4","9","7","7","6","1") = "9"
    & skf18("10","4","9","7","7","7","1") = "9"
    & skf18("10","4","9","7","7","8","1") = "9"
    & skf18("10","4","9","7","7","9","1") = "9"
    & skf18("10","4","9","7","7","10","1") = "9"
    & skf18("10","4","9","7","8","1","1") = "9"
    & skf18("10","4","9","7","8","2","1") = "9"
    & skf18("10","4","9","7","8","3","1") = "9"
    & skf18("10","4","9","7","8","4","1") = "9"
    & skf18("10","4","9","7","8","5","1") = "9"
    & skf18("10","4","9","7","8","6","1") = "9"
    & skf18("10","4","9","7","8","7","1") = "9"
    & skf18("10","4","9","7","8","8","1") = "9"
    & skf18("10","4","9","7","8","9","1") = "9"
    & skf18("10","4","9","7","8","10","1") = "9"
    & skf18("10","4","9","7","9","1","1") = "9"
    & skf18("10","4","9","7","9","2","1") = "9"
    & skf18("10","4","9","7","9","3","1") = "9"
    & skf18("10","4","9","7","9","4","1") = "9"
    & skf18("10","4","9","7","9","5","1") = "9"
    & skf18("10","4","9","7","9","6","1") = "9"
    & skf18("10","4","9","7","9","7","1") = "9"
    & skf18("10","4","9","7","9","8","1") = "9"
    & skf18("10","4","9","7","9","9","1") = "9"
    & skf18("10","4","9","7","9","10","1") = "9"
    & skf18("10","4","9","7","10","1","1") = "9"
    & skf18("10","4","9","7","10","2","1") = "9"
    & skf18("10","4","9","7","10","3","1") = "9"
    & skf18("10","4","9","7","10","4","1") = "9"
    & skf18("10","4","9","7","10","5","1") = "9"
    & skf18("10","4","9","7","10","6","1") = "9"
    & skf18("10","4","9","7","10","7","1") = "9"
    & skf18("10","4","9","7","10","8","1") = "9"
    & skf18("10","4","9","7","10","9","1") = "9"
    & skf18("10","4","9","7","10","10","1") = "9"
    & skf18("10","4","9","8","1","1","1") = "9"
    & skf18("10","4","9","8","1","2","1") = "9"
    & skf18("10","4","9","8","1","3","1") = "9"
    & skf18("10","4","9","8","1","4","1") = "9"
    & skf18("10","4","9","8","1","5","1") = "9"
    & skf18("10","4","9","8","1","6","1") = "9"
    & skf18("10","4","9","8","1","7","1") = "9"
    & skf18("10","4","9","8","1","8","1") = "9"
    & skf18("10","4","9","8","1","9","1") = "9"
    & skf18("10","4","9","8","1","10","1") = "9"
    & skf18("10","4","9","8","2","1","1") = "9"
    & skf18("10","4","9","8","2","2","1") = "9"
    & skf18("10","4","9","8","2","3","1") = "9"
    & skf18("10","4","9","8","2","4","1") = "9"
    & skf18("10","4","9","8","2","5","1") = "9"
    & skf18("10","4","9","8","2","6","1") = "9"
    & skf18("10","4","9","8","2","7","1") = "9"
    & skf18("10","4","9","8","2","8","1") = "9"
    & skf18("10","4","9","8","2","9","1") = "9"
    & skf18("10","4","9","8","2","10","1") = "9"
    & skf18("10","4","9","8","3","1","1") = "9"
    & skf18("10","4","9","8","3","2","1") = "9"
    & skf18("10","4","9","8","3","3","1") = "9"
    & skf18("10","4","9","8","3","4","1") = "9"
    & skf18("10","4","9","8","3","5","1") = "9"
    & skf18("10","4","9","8","3","6","1") = "9"
    & skf18("10","4","9","8","3","7","1") = "9"
    & skf18("10","4","9","8","3","8","1") = "9"
    & skf18("10","4","9","8","3","9","1") = "9"
    & skf18("10","4","9","8","3","10","1") = "9"
    & skf18("10","4","9","8","4","1","1") = "9"
    & skf18("10","4","9","8","4","2","1") = "9"
    & skf18("10","4","9","8","4","3","1") = "9"
    & skf18("10","4","9","8","4","4","1") = "9"
    & skf18("10","4","9","8","4","5","1") = "9"
    & skf18("10","4","9","8","4","6","1") = "9"
    & skf18("10","4","9","8","4","7","1") = "9"
    & skf18("10","4","9","8","4","8","1") = "9"
    & skf18("10","4","9","8","4","9","1") = "9"
    & skf18("10","4","9","8","4","10","1") = "9"
    & skf18("10","4","9","8","5","1","1") = "9"
    & skf18("10","4","9","8","5","2","1") = "9"
    & skf18("10","4","9","8","5","3","1") = "9"
    & skf18("10","4","9","8","5","4","1") = "9"
    & skf18("10","4","9","8","5","5","1") = "9"
    & skf18("10","4","9","8","5","6","1") = "9"
    & skf18("10","4","9","8","5","7","1") = "9"
    & skf18("10","4","9","8","5","8","1") = "9"
    & skf18("10","4","9","8","5","9","1") = "9"
    & skf18("10","4","9","8","5","10","1") = "9"
    & skf18("10","4","9","8","6","1","1") = "9"
    & skf18("10","4","9","8","6","2","1") = "9"
    & skf18("10","4","9","8","6","3","1") = "9"
    & skf18("10","4","9","8","6","4","1") = "9"
    & skf18("10","4","9","8","6","5","1") = "9"
    & skf18("10","4","9","8","6","6","1") = "9"
    & skf18("10","4","9","8","6","7","1") = "9"
    & skf18("10","4","9","8","6","8","1") = "9"
    & skf18("10","4","9","8","6","9","1") = "9"
    & skf18("10","4","9","8","6","10","1") = "9"
    & skf18("10","4","9","8","7","1","1") = "9"
    & skf18("10","4","9","8","7","2","1") = "9"
    & skf18("10","4","9","8","7","3","1") = "9"
    & skf18("10","4","9","8","7","4","1") = "9"
    & skf18("10","4","9","8","7","5","1") = "9"
    & skf18("10","4","9","8","7","6","1") = "9"
    & skf18("10","4","9","8","7","7","1") = "9"
    & skf18("10","4","9","8","7","8","1") = "9"
    & skf18("10","4","9","8","7","9","1") = "9"
    & skf18("10","4","9","8","7","10","1") = "9"
    & skf18("10","4","9","8","8","1","1") = "9"
    & skf18("10","4","9","8","8","2","1") = "9"
    & skf18("10","4","9","8","8","3","1") = "9"
    & skf18("10","4","9","8","8","4","1") = "9"
    & skf18("10","4","9","8","8","5","1") = "9"
    & skf18("10","4","9","8","8","6","1") = "9"
    & skf18("10","4","9","8","8","7","1") = "9"
    & skf18("10","4","9","8","8","8","1") = "9"
    & skf18("10","4","9","8","8","9","1") = "9"
    & skf18("10","4","9","8","8","10","1") = "9"
    & skf18("10","4","9","8","9","1","1") = "9"
    & skf18("10","4","9","8","9","2","1") = "9"
    & skf18("10","4","9","8","9","3","1") = "9"
    & skf18("10","4","9","8","9","4","1") = "9"
    & skf18("10","4","9","8","9","5","1") = "9"
    & skf18("10","4","9","8","9","6","1") = "9"
    & skf18("10","4","9","8","9","7","1") = "9"
    & skf18("10","4","9","8","9","8","1") = "9"
    & skf18("10","4","9","8","9","9","1") = "9"
    & skf18("10","4","9","8","9","10","1") = "9"
    & skf18("10","4","9","8","10","1","1") = "9"
    & skf18("10","4","9","8","10","2","1") = "9"
    & skf18("10","4","9","8","10","3","1") = "9"
    & skf18("10","4","9","8","10","4","1") = "9"
    & skf18("10","4","9","8","10","5","1") = "9"
    & skf18("10","4","9","8","10","6","1") = "9"
    & skf18("10","4","9","8","10","7","1") = "9"
    & skf18("10","4","9","8","10","8","1") = "9"
    & skf18("10","4","9","8","10","9","1") = "9"
    & skf18("10","4","9","8","10","10","1") = "9"
    & skf18("10","4","9","9","1","1","1") = "9"
    & skf18("10","4","9","9","1","2","1") = "9"
    & skf18("10","4","9","9","1","3","1") = "9"
    & skf18("10","4","9","9","1","4","1") = "9"
    & skf18("10","4","9","9","1","5","1") = "9"
    & skf18("10","4","9","9","1","6","1") = "9"
    & skf18("10","4","9","9","1","7","1") = "9"
    & skf18("10","4","9","9","1","8","1") = "9"
    & skf18("10","4","9","9","1","9","1") = "9"
    & skf18("10","4","9","9","1","10","1") = "9"
    & skf18("10","4","9","9","2","1","1") = "9"
    & skf18("10","4","9","9","2","2","1") = "9"
    & skf18("10","4","9","9","2","3","1") = "9"
    & skf18("10","4","9","9","2","4","1") = "9"
    & skf18("10","4","9","9","2","5","1") = "9"
    & skf18("10","4","9","9","2","6","1") = "9"
    & skf18("10","4","9","9","2","7","1") = "9"
    & skf18("10","4","9","9","2","8","1") = "9"
    & skf18("10","4","9","9","2","9","1") = "9"
    & skf18("10","4","9","9","2","10","1") = "9"
    & skf18("10","4","9","9","3","1","1") = "9"
    & skf18("10","4","9","9","3","2","1") = "9"
    & skf18("10","4","9","9","3","3","1") = "9"
    & skf18("10","4","9","9","3","4","1") = "9"
    & skf18("10","4","9","9","3","5","1") = "9"
    & skf18("10","4","9","9","3","6","1") = "9"
    & skf18("10","4","9","9","3","7","1") = "9"
    & skf18("10","4","9","9","3","8","1") = "9"
    & skf18("10","4","9","9","3","9","1") = "9"
    & skf18("10","4","9","9","3","10","1") = "9"
    & skf18("10","4","9","9","4","1","1") = "9"
    & skf18("10","4","9","9","4","2","1") = "9"
    & skf18("10","4","9","9","4","3","1") = "9"
    & skf18("10","4","9","9","4","4","1") = "9"
    & skf18("10","4","9","9","4","5","1") = "9"
    & skf18("10","4","9","9","4","6","1") = "9"
    & skf18("10","4","9","9","4","7","1") = "9"
    & skf18("10","4","9","9","4","8","1") = "9"
    & skf18("10","4","9","9","4","9","1") = "9"
    & skf18("10","4","9","9","4","10","1") = "9"
    & skf18("10","4","9","9","5","1","1") = "9"
    & skf18("10","4","9","9","5","2","1") = "9"
    & skf18("10","4","9","9","5","3","1") = "9"
    & skf18("10","4","9","9","5","4","1") = "9"
    & skf18("10","4","9","9","5","5","1") = "9"
    & skf18("10","4","9","9","5","6","1") = "9"
    & skf18("10","4","9","9","5","7","1") = "9"
    & skf18("10","4","9","9","5","8","1") = "9"
    & skf18("10","4","9","9","5","9","1") = "9"
    & skf18("10","4","9","9","5","10","1") = "9"
    & skf18("10","4","9","9","6","1","1") = "9"
    & skf18("10","4","9","9","6","2","1") = "9"
    & skf18("10","4","9","9","6","3","1") = "9"
    & skf18("10","4","9","9","6","4","1") = "9"
    & skf18("10","4","9","9","6","5","1") = "9"
    & skf18("10","4","9","9","6","6","1") = "9"
    & skf18("10","4","9","9","6","7","1") = "9"
    & skf18("10","4","9","9","6","8","1") = "9"
    & skf18("10","4","9","9","6","9","1") = "9"
    & skf18("10","4","9","9","6","10","1") = "9"
    & skf18("10","4","9","9","7","1","1") = "9"
    & skf18("10","4","9","9","7","2","1") = "9"
    & skf18("10","4","9","9","7","3","1") = "9"
    & skf18("10","4","9","9","7","4","1") = "9"
    & skf18("10","4","9","9","7","5","1") = "9"
    & skf18("10","4","9","9","7","6","1") = "9"
    & skf18("10","4","9","9","7","7","1") = "9"
    & skf18("10","4","9","9","7","8","1") = "9"
    & skf18("10","4","9","9","7","9","1") = "9"
    & skf18("10","4","9","9","7","10","1") = "9"
    & skf18("10","4","9","9","8","1","1") = "9"
    & skf18("10","4","9","9","8","2","1") = "9"
    & skf18("10","4","9","9","8","3","1") = "9"
    & skf18("10","4","9","9","8","4","1") = "9"
    & skf18("10","4","9","9","8","5","1") = "9"
    & skf18("10","4","9","9","8","6","1") = "9"
    & skf18("10","4","9","9","8","7","1") = "9"
    & skf18("10","4","9","9","8","8","1") = "9"
    & skf18("10","4","9","9","8","9","1") = "9"
    & skf18("10","4","9","9","8","10","1") = "9"
    & skf18("10","4","9","9","9","1","1") = "9"
    & skf18("10","4","9","9","9","2","1") = "9"
    & skf18("10","4","9","9","9","3","1") = "9"
    & skf18("10","4","9","9","9","4","1") = "9"
    & skf18("10","4","9","9","9","5","1") = "9"
    & skf18("10","4","9","9","9","6","1") = "9"
    & skf18("10","4","9","9","9","7","1") = "9"
    & skf18("10","4","9","9","9","8","1") = "9"
    & skf18("10","4","9","9","9","9","1") = "9"
    & skf18("10","4","9","9","9","10","1") = "9"
    & skf18("10","4","9","9","10","1","1") = "9"
    & skf18("10","4","9","9","10","2","1") = "9"
    & skf18("10","4","9","9","10","3","1") = "9"
    & skf18("10","4","9","9","10","4","1") = "9"
    & skf18("10","4","9","9","10","5","1") = "9"
    & skf18("10","4","9","9","10","6","1") = "9"
    & skf18("10","4","9","9","10","7","1") = "9"
    & skf18("10","4","9","9","10","8","1") = "9"
    & skf18("10","4","9","9","10","9","1") = "9"
    & skf18("10","4","9","9","10","10","1") = "9"
    & skf18("10","4","9","10","1","1","1") = "9"
    & skf18("10","4","9","10","1","2","1") = "9"
    & skf18("10","4","9","10","1","3","1") = "9"
    & skf18("10","4","9","10","1","4","1") = "9"
    & skf18("10","4","9","10","1","5","1") = "9"
    & skf18("10","4","9","10","1","6","1") = "9"
    & skf18("10","4","9","10","1","7","1") = "9"
    & skf18("10","4","9","10","1","8","1") = "9"
    & skf18("10","4","9","10","1","9","1") = "9"
    & skf18("10","4","9","10","1","10","1") = "9"
    & skf18("10","4","9","10","2","1","1") = "9"
    & skf18("10","4","9","10","2","2","1") = "9"
    & skf18("10","4","9","10","2","3","1") = "9"
    & skf18("10","4","9","10","2","4","1") = "9"
    & skf18("10","4","9","10","2","5","1") = "9"
    & skf18("10","4","9","10","2","6","1") = "9"
    & skf18("10","4","9","10","2","7","1") = "9"
    & skf18("10","4","9","10","2","8","1") = "9"
    & skf18("10","4","9","10","2","9","1") = "9"
    & skf18("10","4","9","10","2","10","1") = "9"
    & skf18("10","4","9","10","3","1","1") = "9"
    & skf18("10","4","9","10","3","2","1") = "9"
    & skf18("10","4","9","10","3","3","1") = "9"
    & skf18("10","4","9","10","3","4","1") = "9"
    & skf18("10","4","9","10","3","5","1") = "9"
    & skf18("10","4","9","10","3","6","1") = "9"
    & skf18("10","4","9","10","3","7","1") = "9"
    & skf18("10","4","9","10","3","8","1") = "9"
    & skf18("10","4","9","10","3","9","1") = "9"
    & skf18("10","4","9","10","3","10","1") = "9"
    & skf18("10","4","9","10","4","1","1") = "9"
    & skf18("10","4","9","10","4","2","1") = "9"
    & skf18("10","4","9","10","4","3","1") = "9"
    & skf18("10","4","9","10","4","4","1") = "9"
    & skf18("10","4","9","10","4","5","1") = "9"
    & skf18("10","4","9","10","4","6","1") = "9"
    & skf18("10","4","9","10","4","7","1") = "9"
    & skf18("10","4","9","10","4","8","1") = "9"
    & skf18("10","4","9","10","4","9","1") = "9"
    & skf18("10","4","9","10","4","10","1") = "9"
    & skf18("10","4","9","10","5","1","1") = "9"
    & skf18("10","4","9","10","5","2","1") = "9"
    & skf18("10","4","9","10","5","3","1") = "9"
    & skf18("10","4","9","10","5","4","1") = "9"
    & skf18("10","4","9","10","5","5","1") = "9"
    & skf18("10","4","9","10","5","6","1") = "9"
    & skf18("10","4","9","10","5","7","1") = "9"
    & skf18("10","4","9","10","5","8","1") = "9"
    & skf18("10","4","9","10","5","9","1") = "9"
    & skf18("10","4","9","10","5","10","1") = "9"
    & skf18("10","4","9","10","6","1","1") = "9"
    & skf18("10","4","9","10","6","2","1") = "9"
    & skf18("10","4","9","10","6","3","1") = "9"
    & skf18("10","4","9","10","6","4","1") = "9"
    & skf18("10","4","9","10","6","5","1") = "9"
    & skf18("10","4","9","10","6","6","1") = "9"
    & skf18("10","4","9","10","6","7","1") = "9"
    & skf18("10","4","9","10","6","8","1") = "9"
    & skf18("10","4","9","10","6","9","1") = "9"
    & skf18("10","4","9","10","6","10","1") = "9"
    & skf18("10","4","9","10","7","1","1") = "9"
    & skf18("10","4","9","10","7","2","1") = "9"
    & skf18("10","4","9","10","7","3","1") = "9"
    & skf18("10","4","9","10","7","4","1") = "9"
    & skf18("10","4","9","10","7","5","1") = "9"
    & skf18("10","4","9","10","7","6","1") = "9"
    & skf18("10","4","9","10","7","7","1") = "9"
    & skf18("10","4","9","10","7","8","1") = "9"
    & skf18("10","4","9","10","7","9","1") = "9"
    & skf18("10","4","9","10","7","10","1") = "9"
    & skf18("10","4","9","10","8","1","1") = "9"
    & skf18("10","4","9","10","8","2","1") = "9"
    & skf18("10","4","9","10","8","3","1") = "9"
    & skf18("10","4","9","10","8","4","1") = "9"
    & skf18("10","4","9","10","8","5","1") = "9"
    & skf18("10","4","9","10","8","6","1") = "9"
    & skf18("10","4","9","10","8","7","1") = "9"
    & skf18("10","4","9","10","8","8","1") = "9"
    & skf18("10","4","9","10","8","9","1") = "9"
    & skf18("10","4","9","10","8","10","1") = "9"
    & skf18("10","4","9","10","9","1","1") = "9"
    & skf18("10","4","9","10","9","2","1") = "9"
    & skf18("10","4","9","10","9","3","1") = "9"
    & skf18("10","4","9","10","9","4","1") = "9"
    & skf18("10","4","9","10","9","5","1") = "9"
    & skf18("10","4","9","10","9","6","1") = "9"
    & skf18("10","4","9","10","9","7","1") = "9"
    & skf18("10","4","9","10","9","8","1") = "9"
    & skf18("10","4","9","10","9","9","1") = "9"
    & skf18("10","4","9","10","9","10","1") = "9"
    & skf18("10","4","9","10","10","1","1") = "9"
    & skf18("10","4","9","10","10","2","1") = "9"
    & skf18("10","4","9","10","10","3","1") = "9"
    & skf18("10","4","9","10","10","4","1") = "9"
    & skf18("10","4","9","10","10","5","1") = "9"
    & skf18("10","4","9","10","10","6","1") = "9"
    & skf18("10","4","9","10","10","7","1") = "9"
    & skf18("10","4","9","10","10","8","1") = "9"
    & skf18("10","4","9","10","10","9","1") = "9"
    & skf18("10","4","9","10","10","10","1") = "9"
    & skf18("10","4","10","1","1","1","1") = "9"
    & skf18("10","4","10","1","1","2","1") = "9"
    & skf18("10","4","10","1","1","3","1") = "9"
    & skf18("10","4","10","1","1","4","1") = "9"
    & skf18("10","4","10","1","1","5","1") = "9"
    & skf18("10","4","10","1","1","6","1") = "9"
    & skf18("10","4","10","1","1","7","1") = "9"
    & skf18("10","4","10","1","1","8","1") = "9"
    & skf18("10","4","10","1","1","9","1") = "9"
    & skf18("10","4","10","1","1","10","1") = "9"
    & skf18("10","4","10","1","2","1","1") = "9"
    & skf18("10","4","10","1","2","2","1") = "9"
    & skf18("10","4","10","1","2","3","1") = "9"
    & skf18("10","4","10","1","2","4","1") = "9"
    & skf18("10","4","10","1","2","5","1") = "9"
    & skf18("10","4","10","1","2","6","1") = "9"
    & skf18("10","4","10","1","2","7","1") = "9"
    & skf18("10","4","10","1","2","8","1") = "9"
    & skf18("10","4","10","1","2","9","1") = "9"
    & skf18("10","4","10","1","2","10","1") = "9"
    & skf18("10","4","10","1","3","1","1") = "9"
    & skf18("10","4","10","1","3","2","1") = "9"
    & skf18("10","4","10","1","3","3","1") = "9"
    & skf18("10","4","10","1","3","4","1") = "9"
    & skf18("10","4","10","1","3","5","1") = "9"
    & skf18("10","4","10","1","3","6","1") = "9"
    & skf18("10","4","10","1","3","7","1") = "9"
    & skf18("10","4","10","1","3","8","1") = "9"
    & skf18("10","4","10","1","3","9","1") = "9"
    & skf18("10","4","10","1","3","10","1") = "9"
    & skf18("10","4","10","1","4","1","1") = "9"
    & skf18("10","4","10","1","4","2","1") = "9"
    & skf18("10","4","10","1","4","3","1") = "9"
    & skf18("10","4","10","1","4","4","1") = "9"
    & skf18("10","4","10","1","4","5","1") = "9"
    & skf18("10","4","10","1","4","6","1") = "9"
    & skf18("10","4","10","1","4","7","1") = "9"
    & skf18("10","4","10","1","4","8","1") = "9"
    & skf18("10","4","10","1","4","9","1") = "9"
    & skf18("10","4","10","1","4","10","1") = "9"
    & skf18("10","4","10","1","5","1","1") = "9"
    & skf18("10","4","10","1","5","2","1") = "9"
    & skf18("10","4","10","1","5","3","1") = "9"
    & skf18("10","4","10","1","5","4","1") = "9"
    & skf18("10","4","10","1","5","5","1") = "9"
    & skf18("10","4","10","1","5","6","1") = "9"
    & skf18("10","4","10","1","5","7","1") = "9"
    & skf18("10","4","10","1","5","8","1") = "9"
    & skf18("10","4","10","1","5","9","1") = "9"
    & skf18("10","4","10","1","5","10","1") = "9"
    & skf18("10","4","10","1","6","1","1") = "9"
    & skf18("10","4","10","1","6","2","1") = "9"
    & skf18("10","4","10","1","6","3","1") = "9"
    & skf18("10","4","10","1","6","4","1") = "9"
    & skf18("10","4","10","1","6","5","1") = "9"
    & skf18("10","4","10","1","6","6","1") = "9"
    & skf18("10","4","10","1","6","7","1") = "9"
    & skf18("10","4","10","1","6","8","1") = "9"
    & skf18("10","4","10","1","6","9","1") = "9"
    & skf18("10","4","10","1","6","10","1") = "9"
    & skf18("10","4","10","1","7","1","1") = "9"
    & skf18("10","4","10","1","7","2","1") = "9"
    & skf18("10","4","10","1","7","3","1") = "9"
    & skf18("10","4","10","1","7","4","1") = "9"
    & skf18("10","4","10","1","7","5","1") = "9"
    & skf18("10","4","10","1","7","6","1") = "9"
    & skf18("10","4","10","1","7","7","1") = "9"
    & skf18("10","4","10","1","7","8","1") = "9"
    & skf18("10","4","10","1","7","9","1") = "9"
    & skf18("10","4","10","1","7","10","1") = "9"
    & skf18("10","4","10","1","8","1","1") = "9"
    & skf18("10","4","10","1","8","2","1") = "9"
    & skf18("10","4","10","1","8","3","1") = "9"
    & skf18("10","4","10","1","8","4","1") = "9"
    & skf18("10","4","10","1","8","5","1") = "9"
    & skf18("10","4","10","1","8","6","1") = "9"
    & skf18("10","4","10","1","8","7","1") = "9"
    & skf18("10","4","10","1","8","8","1") = "9"
    & skf18("10","4","10","1","8","9","1") = "9"
    & skf18("10","4","10","1","8","10","1") = "9"
    & skf18("10","4","10","1","9","1","1") = "9"
    & skf18("10","4","10","1","9","2","1") = "9"
    & skf18("10","4","10","1","9","3","1") = "9"
    & skf18("10","4","10","1","9","4","1") = "9"
    & skf18("10","4","10","1","9","5","1") = "9"
    & skf18("10","4","10","1","9","6","1") = "9"
    & skf18("10","4","10","1","9","7","1") = "9"
    & skf18("10","4","10","1","9","8","1") = "9"
    & skf18("10","4","10","1","9","9","1") = "9"
    & skf18("10","4","10","1","9","10","1") = "9"
    & skf18("10","4","10","1","10","1","1") = "9"
    & skf18("10","4","10","1","10","2","1") = "9"
    & skf18("10","4","10","1","10","3","1") = "9"
    & skf18("10","4","10","1","10","4","1") = "9"
    & skf18("10","4","10","1","10","5","1") = "9"
    & skf18("10","4","10","1","10","6","1") = "9"
    & skf18("10","4","10","1","10","7","1") = "9"
    & skf18("10","4","10","1","10","8","1") = "9"
    & skf18("10","4","10","1","10","9","1") = "9"
    & skf18("10","4","10","1","10","10","1") = "9"
    & skf18("10","4","10","2","1","1","1") = "9"
    & skf18("10","4","10","2","1","2","1") = "9"
    & skf18("10","4","10","2","1","3","1") = "9"
    & skf18("10","4","10","2","1","4","1") = "9"
    & skf18("10","4","10","2","1","5","1") = "9"
    & skf18("10","4","10","2","1","6","1") = "9"
    & skf18("10","4","10","2","1","7","1") = "9"
    & skf18("10","4","10","2","1","8","1") = "9"
    & skf18("10","4","10","2","1","9","1") = "9"
    & skf18("10","4","10","2","1","10","1") = "9"
    & skf18("10","4","10","2","2","1","1") = "9"
    & skf18("10","4","10","2","2","2","1") = "9"
    & skf18("10","4","10","2","2","3","1") = "9"
    & skf18("10","4","10","2","2","4","1") = "9"
    & skf18("10","4","10","2","2","5","1") = "9"
    & skf18("10","4","10","2","2","6","1") = "9"
    & skf18("10","4","10","2","2","7","1") = "9"
    & skf18("10","4","10","2","2","8","1") = "9"
    & skf18("10","4","10","2","2","9","1") = "9"
    & skf18("10","4","10","2","2","10","1") = "9"
    & skf18("10","4","10","2","3","1","1") = "9"
    & skf18("10","4","10","2","3","2","1") = "9"
    & skf18("10","4","10","2","3","3","1") = "9"
    & skf18("10","4","10","2","3","4","1") = "9"
    & skf18("10","4","10","2","3","5","1") = "9"
    & skf18("10","4","10","2","3","6","1") = "9"
    & skf18("10","4","10","2","3","7","1") = "9"
    & skf18("10","4","10","2","3","8","1") = "9"
    & skf18("10","4","10","2","3","9","1") = "9"
    & skf18("10","4","10","2","3","10","1") = "9"
    & skf18("10","4","10","2","4","1","1") = "9"
    & skf18("10","4","10","2","4","2","1") = "9"
    & skf18("10","4","10","2","4","3","1") = "9"
    & skf18("10","4","10","2","4","4","1") = "9"
    & skf18("10","4","10","2","4","5","1") = "9"
    & skf18("10","4","10","2","4","6","1") = "9"
    & skf18("10","4","10","2","4","7","1") = "9"
    & skf18("10","4","10","2","4","8","1") = "9"
    & skf18("10","4","10","2","4","9","1") = "9"
    & skf18("10","4","10","2","4","10","1") = "9"
    & skf18("10","4","10","2","5","1","1") = "9"
    & skf18("10","4","10","2","5","2","1") = "9"
    & skf18("10","4","10","2","5","3","1") = "9"
    & skf18("10","4","10","2","5","4","1") = "9"
    & skf18("10","4","10","2","5","5","1") = "9"
    & skf18("10","4","10","2","5","6","1") = "9"
    & skf18("10","4","10","2","5","7","1") = "9"
    & skf18("10","4","10","2","5","8","1") = "9"
    & skf18("10","4","10","2","5","9","1") = "9"
    & skf18("10","4","10","2","5","10","1") = "9"
    & skf18("10","4","10","2","6","1","1") = "9"
    & skf18("10","4","10","2","6","2","1") = "9"
    & skf18("10","4","10","2","6","3","1") = "9"
    & skf18("10","4","10","2","6","4","1") = "9"
    & skf18("10","4","10","2","6","5","1") = "9"
    & skf18("10","4","10","2","6","6","1") = "9"
    & skf18("10","4","10","2","6","7","1") = "9"
    & skf18("10","4","10","2","6","8","1") = "9"
    & skf18("10","4","10","2","6","9","1") = "9"
    & skf18("10","4","10","2","6","10","1") = "9"
    & skf18("10","4","10","2","7","1","1") = "9"
    & skf18("10","4","10","2","7","2","1") = "9"
    & skf18("10","4","10","2","7","3","1") = "9"
    & skf18("10","4","10","2","7","4","1") = "9"
    & skf18("10","4","10","2","7","5","1") = "9"
    & skf18("10","4","10","2","7","6","1") = "9"
    & skf18("10","4","10","2","7","7","1") = "9"
    & skf18("10","4","10","2","7","8","1") = "9"
    & skf18("10","4","10","2","7","9","1") = "9"
    & skf18("10","4","10","2","7","10","1") = "9"
    & skf18("10","4","10","2","8","1","1") = "9"
    & skf18("10","4","10","2","8","2","1") = "9"
    & skf18("10","4","10","2","8","3","1") = "9"
    & skf18("10","4","10","2","8","4","1") = "9"
    & skf18("10","4","10","2","8","5","1") = "9"
    & skf18("10","4","10","2","8","6","1") = "9"
    & skf18("10","4","10","2","8","7","1") = "9"
    & skf18("10","4","10","2","8","8","1") = "9"
    & skf18("10","4","10","2","8","9","1") = "9"
    & skf18("10","4","10","2","8","10","1") = "9"
    & skf18("10","4","10","2","9","1","1") = "9"
    & skf18("10","4","10","2","9","2","1") = "9"
    & skf18("10","4","10","2","9","3","1") = "9"
    & skf18("10","4","10","2","9","4","1") = "9"
    & skf18("10","4","10","2","9","5","1") = "9"
    & skf18("10","4","10","2","9","6","1") = "9"
    & skf18("10","4","10","2","9","7","1") = "9"
    & skf18("10","4","10","2","9","8","1") = "9"
    & skf18("10","4","10","2","9","9","1") = "9"
    & skf18("10","4","10","2","9","10","1") = "9"
    & skf18("10","4","10","2","10","1","1") = "9"
    & skf18("10","4","10","2","10","2","1") = "9"
    & skf18("10","4","10","2","10","3","1") = "9"
    & skf18("10","4","10","2","10","4","1") = "9"
    & skf18("10","4","10","2","10","5","1") = "9"
    & skf18("10","4","10","2","10","6","1") = "9"
    & skf18("10","4","10","2","10","7","1") = "9"
    & skf18("10","4","10","2","10","8","1") = "9"
    & skf18("10","4","10","2","10","9","1") = "9"
    & skf18("10","4","10","2","10","10","1") = "9"
    & skf18("10","4","10","3","1","1","1") = "9"
    & skf18("10","4","10","3","1","2","1") = "9"
    & skf18("10","4","10","3","1","3","1") = "9"
    & skf18("10","4","10","3","1","4","1") = "9"
    & skf18("10","4","10","3","1","5","1") = "9"
    & skf18("10","4","10","3","1","6","1") = "9"
    & skf18("10","4","10","3","1","7","1") = "9"
    & skf18("10","4","10","3","1","8","1") = "9"
    & skf18("10","4","10","3","1","9","1") = "9"
    & skf18("10","4","10","3","1","10","1") = "9"
    & skf18("10","4","10","3","2","1","1") = "9"
    & skf18("10","4","10","3","2","2","1") = "9"
    & skf18("10","4","10","3","2","3","1") = "9"
    & skf18("10","4","10","3","2","4","1") = "9"
    & skf18("10","4","10","3","2","5","1") = "9"
    & skf18("10","4","10","3","2","6","1") = "9"
    & skf18("10","4","10","3","2","7","1") = "9"
    & skf18("10","4","10","3","2","8","1") = "9"
    & skf18("10","4","10","3","2","9","1") = "9"
    & skf18("10","4","10","3","2","10","1") = "9"
    & skf18("10","4","10","3","3","1","1") = "9"
    & skf18("10","4","10","3","3","2","1") = "9"
    & skf18("10","4","10","3","3","3","1") = "9"
    & skf18("10","4","10","3","3","4","1") = "9"
    & skf18("10","4","10","3","3","5","1") = "9"
    & skf18("10","4","10","3","3","6","1") = "9"
    & skf18("10","4","10","3","3","7","1") = "9"
    & skf18("10","4","10","3","3","8","1") = "9"
    & skf18("10","4","10","3","3","9","1") = "9"
    & skf18("10","4","10","3","3","10","1") = "9"
    & skf18("10","4","10","3","4","1","1") = "9"
    & skf18("10","4","10","3","4","2","1") = "9"
    & skf18("10","4","10","3","4","3","1") = "9"
    & skf18("10","4","10","3","4","4","1") = "9"
    & skf18("10","4","10","3","4","5","1") = "9"
    & skf18("10","4","10","3","4","6","1") = "9"
    & skf18("10","4","10","3","4","7","1") = "9"
    & skf18("10","4","10","3","4","8","1") = "9"
    & skf18("10","4","10","3","4","9","1") = "9"
    & skf18("10","4","10","3","4","10","1") = "9"
    & skf18("10","4","10","3","5","1","1") = "9"
    & skf18("10","4","10","3","5","2","1") = "9"
    & skf18("10","4","10","3","5","3","1") = "9"
    & skf18("10","4","10","3","5","4","1") = "9"
    & skf18("10","4","10","3","5","5","1") = "9"
    & skf18("10","4","10","3","5","6","1") = "9"
    & skf18("10","4","10","3","5","7","1") = "9"
    & skf18("10","4","10","3","5","8","1") = "9"
    & skf18("10","4","10","3","5","9","1") = "9"
    & skf18("10","4","10","3","5","10","1") = "9"
    & skf18("10","4","10","3","6","1","1") = "9"
    & skf18("10","4","10","3","6","2","1") = "9"
    & skf18("10","4","10","3","6","3","1") = "9"
    & skf18("10","4","10","3","6","4","1") = "9"
    & skf18("10","4","10","3","6","5","1") = "9"
    & skf18("10","4","10","3","6","6","1") = "9"
    & skf18("10","4","10","3","6","7","1") = "9"
    & skf18("10","4","10","3","6","8","1") = "9"
    & skf18("10","4","10","3","6","9","1") = "9"
    & skf18("10","4","10","3","6","10","1") = "9"
    & skf18("10","4","10","3","7","1","1") = "9"
    & skf18("10","4","10","3","7","2","1") = "9"
    & skf18("10","4","10","3","7","3","1") = "9"
    & skf18("10","4","10","3","7","4","1") = "9"
    & skf18("10","4","10","3","7","5","1") = "9"
    & skf18("10","4","10","3","7","6","1") = "9"
    & skf18("10","4","10","3","7","7","1") = "9"
    & skf18("10","4","10","3","7","8","1") = "9"
    & skf18("10","4","10","3","7","9","1") = "9"
    & skf18("10","4","10","3","7","10","1") = "9"
    & skf18("10","4","10","3","8","1","1") = "9"
    & skf18("10","4","10","3","8","2","1") = "9"
    & skf18("10","4","10","3","8","3","1") = "9"
    & skf18("10","4","10","3","8","4","1") = "9"
    & skf18("10","4","10","3","8","5","1") = "9"
    & skf18("10","4","10","3","8","6","1") = "9"
    & skf18("10","4","10","3","8","7","1") = "9"
    & skf18("10","4","10","3","8","8","1") = "9"
    & skf18("10","4","10","3","8","9","1") = "9"
    & skf18("10","4","10","3","8","10","1") = "9"
    & skf18("10","4","10","3","9","1","1") = "9"
    & skf18("10","4","10","3","9","2","1") = "9"
    & skf18("10","4","10","3","9","3","1") = "9"
    & skf18("10","4","10","3","9","4","1") = "9"
    & skf18("10","4","10","3","9","5","1") = "9"
    & skf18("10","4","10","3","9","6","1") = "9"
    & skf18("10","4","10","3","9","7","1") = "9"
    & skf18("10","4","10","3","9","8","1") = "9"
    & skf18("10","4","10","3","9","9","1") = "9"
    & skf18("10","4","10","3","9","10","1") = "9"
    & skf18("10","4","10","3","10","1","1") = "9"
    & skf18("10","4","10","3","10","2","1") = "9"
    & skf18("10","4","10","3","10","3","1") = "9"
    & skf18("10","4","10","3","10","4","1") = "9"
    & skf18("10","4","10","3","10","5","1") = "9"
    & skf18("10","4","10","3","10","6","1") = "9"
    & skf18("10","4","10","3","10","7","1") = "9"
    & skf18("10","4","10","3","10","8","1") = "9"
    & skf18("10","4","10","3","10","9","1") = "9"
    & skf18("10","4","10","3","10","10","1") = "9"
    & skf18("10","4","10","4","1","1","1") = "9"
    & skf18("10","4","10","4","1","2","1") = "9"
    & skf18("10","4","10","4","1","3","1") = "9"
    & skf18("10","4","10","4","1","4","1") = "9"
    & skf18("10","4","10","4","1","5","1") = "9"
    & skf18("10","4","10","4","1","6","1") = "9"
    & skf18("10","4","10","4","1","7","1") = "9"
    & skf18("10","4","10","4","1","8","1") = "9"
    & skf18("10","4","10","4","1","9","1") = "9"
    & skf18("10","4","10","4","1","10","1") = "9"
    & skf18("10","4","10","4","2","1","1") = "9"
    & skf18("10","4","10","4","2","2","1") = "9"
    & skf18("10","4","10","4","2","3","1") = "9"
    & skf18("10","4","10","4","2","4","1") = "9"
    & skf18("10","4","10","4","2","5","1") = "9"
    & skf18("10","4","10","4","2","6","1") = "9"
    & skf18("10","4","10","4","2","7","1") = "9"
    & skf18("10","4","10","4","2","8","1") = "9"
    & skf18("10","4","10","4","2","9","1") = "9"
    & skf18("10","4","10","4","2","10","1") = "9"
    & skf18("10","4","10","4","3","1","1") = "9"
    & skf18("10","4","10","4","3","2","1") = "9"
    & skf18("10","4","10","4","3","3","1") = "9"
    & skf18("10","4","10","4","3","4","1") = "9"
    & skf18("10","4","10","4","3","5","1") = "9"
    & skf18("10","4","10","4","3","6","1") = "9"
    & skf18("10","4","10","4","3","7","1") = "9"
    & skf18("10","4","10","4","3","8","1") = "9"
    & skf18("10","4","10","4","3","9","1") = "9"
    & skf18("10","4","10","4","3","10","1") = "9"
    & skf18("10","4","10","4","4","1","1") = "9"
    & skf18("10","4","10","4","4","2","1") = "9"
    & skf18("10","4","10","4","4","3","1") = "9"
    & skf18("10","4","10","4","4","4","1") = "9"
    & skf18("10","4","10","4","4","5","1") = "9"
    & skf18("10","4","10","4","4","6","1") = "9"
    & skf18("10","4","10","4","4","7","1") = "9"
    & skf18("10","4","10","4","4","8","1") = "9"
    & skf18("10","4","10","4","4","9","1") = "9"
    & skf18("10","4","10","4","4","10","1") = "9"
    & skf18("10","4","10","4","5","1","1") = "9"
    & skf18("10","4","10","4","5","2","1") = "9"
    & skf18("10","4","10","4","5","3","1") = "9"
    & skf18("10","4","10","4","5","4","1") = "9"
    & skf18("10","4","10","4","5","5","1") = "9"
    & skf18("10","4","10","4","5","6","1") = "9"
    & skf18("10","4","10","4","5","7","1") = "9"
    & skf18("10","4","10","4","5","8","1") = "9"
    & skf18("10","4","10","4","5","9","1") = "9"
    & skf18("10","4","10","4","5","10","1") = "9"
    & skf18("10","4","10","4","6","1","1") = "9"
    & skf18("10","4","10","4","6","2","1") = "9"
    & skf18("10","4","10","4","6","3","1") = "9"
    & skf18("10","4","10","4","6","4","1") = "9"
    & skf18("10","4","10","4","6","5","1") = "9"
    & skf18("10","4","10","4","6","6","1") = "9"
    & skf18("10","4","10","4","6","7","1") = "9"
    & skf18("10","4","10","4","6","8","1") = "9"
    & skf18("10","4","10","4","6","9","1") = "9"
    & skf18("10","4","10","4","6","10","1") = "9"
    & skf18("10","4","10","4","7","1","1") = "9"
    & skf18("10","4","10","4","7","2","1") = "9"
    & skf18("10","4","10","4","7","3","1") = "9"
    & skf18("10","4","10","4","7","4","1") = "9"
    & skf18("10","4","10","4","7","5","1") = "9"
    & skf18("10","4","10","4","7","6","1") = "9"
    & skf18("10","4","10","4","7","7","1") = "9"
    & skf18("10","4","10","4","7","8","1") = "9"
    & skf18("10","4","10","4","7","9","1") = "9"
    & skf18("10","4","10","4","7","10","1") = "9"
    & skf18("10","4","10","4","8","1","1") = "9"
    & skf18("10","4","10","4","8","2","1") = "9"
    & skf18("10","4","10","4","8","3","1") = "9"
    & skf18("10","4","10","4","8","4","1") = "9"
    & skf18("10","4","10","4","8","5","1") = "9"
    & skf18("10","4","10","4","8","6","1") = "9"
    & skf18("10","4","10","4","8","7","1") = "9"
    & skf18("10","4","10","4","8","8","1") = "9"
    & skf18("10","4","10","4","8","9","1") = "9"
    & skf18("10","4","10","4","8","10","1") = "9"
    & skf18("10","4","10","4","9","1","1") = "9"
    & skf18("10","4","10","4","9","2","1") = "9"
    & skf18("10","4","10","4","9","3","1") = "9"
    & skf18("10","4","10","4","9","4","1") = "9"
    & skf18("10","4","10","4","9","5","1") = "9"
    & skf18("10","4","10","4","9","6","1") = "9"
    & skf18("10","4","10","4","9","7","1") = "9"
    & skf18("10","4","10","4","9","8","1") = "9"
    & skf18("10","4","10","4","9","9","1") = "9"
    & skf18("10","4","10","4","9","10","1") = "9"
    & skf18("10","4","10","4","10","1","1") = "9"
    & skf18("10","4","10","4","10","2","1") = "9"
    & skf18("10","4","10","4","10","3","1") = "9"
    & skf18("10","4","10","4","10","4","1") = "9"
    & skf18("10","4","10","4","10","5","1") = "9"
    & skf18("10","4","10","4","10","6","1") = "9"
    & skf18("10","4","10","4","10","7","1") = "9"
    & skf18("10","4","10","4","10","8","1") = "9"
    & skf18("10","4","10","4","10","9","1") = "9"
    & skf18("10","4","10","4","10","10","1") = "9"
    & skf18("10","4","10","5","1","1","1") = "9"
    & skf18("10","4","10","5","1","2","1") = "9"
    & skf18("10","4","10","5","1","3","1") = "9"
    & skf18("10","4","10","5","1","4","1") = "9"
    & skf18("10","4","10","5","1","5","1") = "9"
    & skf18("10","4","10","5","1","6","1") = "9"
    & skf18("10","4","10","5","1","7","1") = "9"
    & skf18("10","4","10","5","1","8","1") = "9"
    & skf18("10","4","10","5","1","9","1") = "9"
    & skf18("10","4","10","5","1","10","1") = "9"
    & skf18("10","4","10","5","2","1","1") = "9"
    & skf18("10","4","10","5","2","2","1") = "9"
    & skf18("10","4","10","5","2","3","1") = "9"
    & skf18("10","4","10","5","2","4","1") = "9"
    & skf18("10","4","10","5","2","5","1") = "9"
    & skf18("10","4","10","5","2","6","1") = "9"
    & skf18("10","4","10","5","2","7","1") = "9"
    & skf18("10","4","10","5","2","8","1") = "9"
    & skf18("10","4","10","5","2","9","1") = "9"
    & skf18("10","4","10","5","2","10","1") = "9"
    & skf18("10","4","10","5","3","1","1") = "9"
    & skf18("10","4","10","5","3","2","1") = "9"
    & skf18("10","4","10","5","3","3","1") = "9"
    & skf18("10","4","10","5","3","4","1") = "9"
    & skf18("10","4","10","5","3","5","1") = "9"
    & skf18("10","4","10","5","3","6","1") = "9"
    & skf18("10","4","10","5","3","7","1") = "9"
    & skf18("10","4","10","5","3","8","1") = "9"
    & skf18("10","4","10","5","3","9","1") = "9"
    & skf18("10","4","10","5","3","10","1") = "9"
    & skf18("10","4","10","5","4","1","1") = "9"
    & skf18("10","4","10","5","4","2","1") = "9"
    & skf18("10","4","10","5","4","3","1") = "9"
    & skf18("10","4","10","5","4","4","1") = "9"
    & skf18("10","4","10","5","4","5","1") = "9"
    & skf18("10","4","10","5","4","6","1") = "9"
    & skf18("10","4","10","5","4","7","1") = "9"
    & skf18("10","4","10","5","4","8","1") = "9"
    & skf18("10","4","10","5","4","9","1") = "9"
    & skf18("10","4","10","5","4","10","1") = "9"
    & skf18("10","4","10","5","5","1","1") = "9"
    & skf18("10","4","10","5","5","2","1") = "9"
    & skf18("10","4","10","5","5","3","1") = "9"
    & skf18("10","4","10","5","5","4","1") = "9"
    & skf18("10","4","10","5","5","5","1") = "9"
    & skf18("10","4","10","5","5","6","1") = "9"
    & skf18("10","4","10","5","5","7","1") = "9"
    & skf18("10","4","10","5","5","8","1") = "9"
    & skf18("10","4","10","5","5","9","1") = "9"
    & skf18("10","4","10","5","5","10","1") = "9"
    & skf18("10","4","10","5","6","1","1") = "9"
    & skf18("10","4","10","5","6","2","1") = "9"
    & skf18("10","4","10","5","6","3","1") = "9"
    & skf18("10","4","10","5","6","4","1") = "9"
    & skf18("10","4","10","5","6","5","1") = "9"
    & skf18("10","4","10","5","6","6","1") = "9"
    & skf18("10","4","10","5","6","7","1") = "9"
    & skf18("10","4","10","5","6","8","1") = "9"
    & skf18("10","4","10","5","6","9","1") = "9"
    & skf18("10","4","10","5","6","10","1") = "9"
    & skf18("10","4","10","5","7","1","1") = "9"
    & skf18("10","4","10","5","7","2","1") = "9"
    & skf18("10","4","10","5","7","3","1") = "9"
    & skf18("10","4","10","5","7","4","1") = "9"
    & skf18("10","4","10","5","7","5","1") = "9"
    & skf18("10","4","10","5","7","6","1") = "9"
    & skf18("10","4","10","5","7","7","1") = "9"
    & skf18("10","4","10","5","7","8","1") = "9"
    & skf18("10","4","10","5","7","9","1") = "9"
    & skf18("10","4","10","5","7","10","1") = "9"
    & skf18("10","4","10","5","8","1","1") = "9"
    & skf18("10","4","10","5","8","2","1") = "9"
    & skf18("10","4","10","5","8","3","1") = "9"
    & skf18("10","4","10","5","8","4","1") = "9"
    & skf18("10","4","10","5","8","5","1") = "9"
    & skf18("10","4","10","5","8","6","1") = "9"
    & skf18("10","4","10","5","8","7","1") = "9"
    & skf18("10","4","10","5","8","8","1") = "9"
    & skf18("10","4","10","5","8","9","1") = "9"
    & skf18("10","4","10","5","8","10","1") = "9"
    & skf18("10","4","10","5","9","1","1") = "9"
    & skf18("10","4","10","5","9","2","1") = "9"
    & skf18("10","4","10","5","9","3","1") = "9"
    & skf18("10","4","10","5","9","4","1") = "9"
    & skf18("10","4","10","5","9","5","1") = "9"
    & skf18("10","4","10","5","9","6","1") = "9"
    & skf18("10","4","10","5","9","7","1") = "9"
    & skf18("10","4","10","5","9","8","1") = "9"
    & skf18("10","4","10","5","9","9","1") = "9"
    & skf18("10","4","10","5","9","10","1") = "9"
    & skf18("10","4","10","5","10","1","1") = "9"
    & skf18("10","4","10","5","10","2","1") = "9"
    & skf18("10","4","10","5","10","3","1") = "9"
    & skf18("10","4","10","5","10","4","1") = "9"
    & skf18("10","4","10","5","10","5","1") = "9"
    & skf18("10","4","10","5","10","6","1") = "9"
    & skf18("10","4","10","5","10","7","1") = "9"
    & skf18("10","4","10","5","10","8","1") = "9"
    & skf18("10","4","10","5","10","9","1") = "9"
    & skf18("10","4","10","5","10","10","1") = "9"
    & skf18("10","4","10","6","1","1","1") = "9"
    & skf18("10","4","10","6","1","2","1") = "9"
    & skf18("10","4","10","6","1","3","1") = "9"
    & skf18("10","4","10","6","1","4","1") = "9"
    & skf18("10","4","10","6","1","5","1") = "9"
    & skf18("10","4","10","6","1","6","1") = "9"
    & skf18("10","4","10","6","1","7","1") = "9"
    & skf18("10","4","10","6","1","8","1") = "9"
    & skf18("10","4","10","6","1","9","1") = "9"
    & skf18("10","4","10","6","1","10","1") = "9"
    & skf18("10","4","10","6","2","1","1") = "9"
    & skf18("10","4","10","6","2","2","1") = "9"
    & skf18("10","4","10","6","2","3","1") = "9"
    & skf18("10","4","10","6","2","4","1") = "9"
    & skf18("10","4","10","6","2","5","1") = "9"
    & skf18("10","4","10","6","2","6","1") = "9"
    & skf18("10","4","10","6","2","7","1") = "9"
    & skf18("10","4","10","6","2","8","1") = "9"
    & skf18("10","4","10","6","2","9","1") = "9"
    & skf18("10","4","10","6","2","10","1") = "9"
    & skf18("10","4","10","6","3","1","1") = "9"
    & skf18("10","4","10","6","3","2","1") = "9"
    & skf18("10","4","10","6","3","3","1") = "9"
    & skf18("10","4","10","6","3","4","1") = "9"
    & skf18("10","4","10","6","3","5","1") = "9"
    & skf18("10","4","10","6","3","6","1") = "9"
    & skf18("10","4","10","6","3","7","1") = "9"
    & skf18("10","4","10","6","3","8","1") = "9"
    & skf18("10","4","10","6","3","9","1") = "9"
    & skf18("10","4","10","6","3","10","1") = "9"
    & skf18("10","4","10","6","4","1","1") = "9"
    & skf18("10","4","10","6","4","2","1") = "9"
    & skf18("10","4","10","6","4","3","1") = "9"
    & skf18("10","4","10","6","4","4","1") = "9"
    & skf18("10","4","10","6","4","5","1") = "9"
    & skf18("10","4","10","6","4","6","1") = "9"
    & skf18("10","4","10","6","4","7","1") = "9"
    & skf18("10","4","10","6","4","8","1") = "9"
    & skf18("10","4","10","6","4","9","1") = "9"
    & skf18("10","4","10","6","4","10","1") = "9"
    & skf18("10","4","10","6","5","1","1") = "9"
    & skf18("10","4","10","6","5","2","1") = "9"
    & skf18("10","4","10","6","5","3","1") = "9"
    & skf18("10","4","10","6","5","4","1") = "9"
    & skf18("10","4","10","6","5","5","1") = "9"
    & skf18("10","4","10","6","5","6","1") = "9"
    & skf18("10","4","10","6","5","7","1") = "9"
    & skf18("10","4","10","6","5","8","1") = "9"
    & skf18("10","4","10","6","5","9","1") = "9"
    & skf18("10","4","10","6","5","10","1") = "9"
    & skf18("10","4","10","6","6","1","1") = "9"
    & skf18("10","4","10","6","6","2","1") = "9"
    & skf18("10","4","10","6","6","3","1") = "9"
    & skf18("10","4","10","6","6","4","1") = "9"
    & skf18("10","4","10","6","6","5","1") = "9"
    & skf18("10","4","10","6","6","6","1") = "9"
    & skf18("10","4","10","6","6","7","1") = "9"
    & skf18("10","4","10","6","6","8","1") = "9"
    & skf18("10","4","10","6","6","9","1") = "9"
    & skf18("10","4","10","6","6","10","1") = "9"
    & skf18("10","4","10","6","7","1","1") = "9"
    & skf18("10","4","10","6","7","2","1") = "9"
    & skf18("10","4","10","6","7","3","1") = "9"
    & skf18("10","4","10","6","7","4","1") = "9"
    & skf18("10","4","10","6","7","5","1") = "9"
    & skf18("10","4","10","6","7","6","1") = "9"
    & skf18("10","4","10","6","7","7","1") = "9"
    & skf18("10","4","10","6","7","8","1") = "9"
    & skf18("10","4","10","6","7","9","1") = "9"
    & skf18("10","4","10","6","7","10","1") = "9"
    & skf18("10","4","10","6","8","1","1") = "9"
    & skf18("10","4","10","6","8","2","1") = "9"
    & skf18("10","4","10","6","8","3","1") = "9"
    & skf18("10","4","10","6","8","4","1") = "9"
    & skf18("10","4","10","6","8","5","1") = "9"
    & skf18("10","4","10","6","8","6","1") = "9"
    & skf18("10","4","10","6","8","7","1") = "9"
    & skf18("10","4","10","6","8","8","1") = "9"
    & skf18("10","4","10","6","8","9","1") = "9"
    & skf18("10","4","10","6","8","10","1") = "9"
    & skf18("10","4","10","6","9","1","1") = "9"
    & skf18("10","4","10","6","9","2","1") = "9"
    & skf18("10","4","10","6","9","3","1") = "9"
    & skf18("10","4","10","6","9","4","1") = "9"
    & skf18("10","4","10","6","9","5","1") = "9"
    & skf18("10","4","10","6","9","6","1") = "9"
    & skf18("10","4","10","6","9","7","1") = "9"
    & skf18("10","4","10","6","9","8","1") = "9"
    & skf18("10","4","10","6","9","9","1") = "9"
    & skf18("10","4","10","6","9","10","1") = "9"
    & skf18("10","4","10","6","10","1","1") = "9"
    & skf18("10","4","10","6","10","2","1") = "9"
    & skf18("10","4","10","6","10","3","1") = "9"
    & skf18("10","4","10","6","10","4","1") = "9"
    & skf18("10","4","10","6","10","5","1") = "9"
    & skf18("10","4","10","6","10","6","1") = "9"
    & skf18("10","4","10","6","10","7","1") = "9"
    & skf18("10","4","10","6","10","8","1") = "9"
    & skf18("10","4","10","6","10","9","1") = "9"
    & skf18("10","4","10","6","10","10","1") = "9"
    & skf18("10","4","10","7","1","1","1") = "9"
    & skf18("10","4","10","7","1","2","1") = "9"
    & skf18("10","4","10","7","1","3","1") = "9"
    & skf18("10","4","10","7","1","4","1") = "9"
    & skf18("10","4","10","7","1","5","1") = "9"
    & skf18("10","4","10","7","1","6","1") = "9"
    & skf18("10","4","10","7","1","7","1") = "9"
    & skf18("10","4","10","7","1","8","1") = "9"
    & skf18("10","4","10","7","1","9","1") = "9"
    & skf18("10","4","10","7","1","10","1") = "9"
    & skf18("10","4","10","7","2","1","1") = "9"
    & skf18("10","4","10","7","2","2","1") = "9"
    & skf18("10","4","10","7","2","3","1") = "9"
    & skf18("10","4","10","7","2","4","1") = "9"
    & skf18("10","4","10","7","2","5","1") = "9"
    & skf18("10","4","10","7","2","6","1") = "9"
    & skf18("10","4","10","7","2","7","1") = "9"
    & skf18("10","4","10","7","2","8","1") = "9"
    & skf18("10","4","10","7","2","9","1") = "9"
    & skf18("10","4","10","7","2","10","1") = "9"
    & skf18("10","4","10","7","3","1","1") = "9"
    & skf18("10","4","10","7","3","2","1") = "9"
    & skf18("10","4","10","7","3","3","1") = "9"
    & skf18("10","4","10","7","3","4","1") = "9"
    & skf18("10","4","10","7","3","5","1") = "9"
    & skf18("10","4","10","7","3","6","1") = "9"
    & skf18("10","4","10","7","3","7","1") = "9"
    & skf18("10","4","10","7","3","8","1") = "9"
    & skf18("10","4","10","7","3","9","1") = "9"
    & skf18("10","4","10","7","3","10","1") = "9"
    & skf18("10","4","10","7","4","1","1") = "9"
    & skf18("10","4","10","7","4","2","1") = "9"
    & skf18("10","4","10","7","4","3","1") = "9"
    & skf18("10","4","10","7","4","4","1") = "9"
    & skf18("10","4","10","7","4","5","1") = "9"
    & skf18("10","4","10","7","4","6","1") = "9"
    & skf18("10","4","10","7","4","7","1") = "9"
    & skf18("10","4","10","7","4","8","1") = "9"
    & skf18("10","4","10","7","4","9","1") = "9"
    & skf18("10","4","10","7","4","10","1") = "9"
    & skf18("10","4","10","7","5","1","1") = "9"
    & skf18("10","4","10","7","5","2","1") = "9"
    & skf18("10","4","10","7","5","3","1") = "9"
    & skf18("10","4","10","7","5","4","1") = "9"
    & skf18("10","4","10","7","5","5","1") = "9"
    & skf18("10","4","10","7","5","6","1") = "9"
    & skf18("10","4","10","7","5","7","1") = "9"
    & skf18("10","4","10","7","5","8","1") = "9"
    & skf18("10","4","10","7","5","9","1") = "9"
    & skf18("10","4","10","7","5","10","1") = "9"
    & skf18("10","4","10","7","6","1","1") = "9"
    & skf18("10","4","10","7","6","2","1") = "9"
    & skf18("10","4","10","7","6","3","1") = "9"
    & skf18("10","4","10","7","6","4","1") = "9"
    & skf18("10","4","10","7","6","5","1") = "9"
    & skf18("10","4","10","7","6","6","1") = "9"
    & skf18("10","4","10","7","6","7","1") = "9"
    & skf18("10","4","10","7","6","8","1") = "9"
    & skf18("10","4","10","7","6","9","1") = "9"
    & skf18("10","4","10","7","6","10","1") = "9"
    & skf18("10","4","10","7","7","1","1") = "9"
    & skf18("10","4","10","7","7","2","1") = "9"
    & skf18("10","4","10","7","7","3","1") = "9"
    & skf18("10","4","10","7","7","4","1") = "9"
    & skf18("10","4","10","7","7","5","1") = "9"
    & skf18("10","4","10","7","7","6","1") = "9"
    & skf18("10","4","10","7","7","7","1") = "9"
    & skf18("10","4","10","7","7","8","1") = "9"
    & skf18("10","4","10","7","7","9","1") = "9"
    & skf18("10","4","10","7","7","10","1") = "9"
    & skf18("10","4","10","7","8","1","1") = "9"
    & skf18("10","4","10","7","8","2","1") = "9"
    & skf18("10","4","10","7","8","3","1") = "9"
    & skf18("10","4","10","7","8","4","1") = "9"
    & skf18("10","4","10","7","8","5","1") = "9"
    & skf18("10","4","10","7","8","6","1") = "9"
    & skf18("10","4","10","7","8","7","1") = "9"
    & skf18("10","4","10","7","8","8","1") = "9"
    & skf18("10","4","10","7","8","9","1") = "9"
    & skf18("10","4","10","7","8","10","1") = "9"
    & skf18("10","4","10","7","9","1","1") = "9"
    & skf18("10","4","10","7","9","2","1") = "9"
    & skf18("10","4","10","7","9","3","1") = "9"
    & skf18("10","4","10","7","9","4","1") = "9"
    & skf18("10","4","10","7","9","5","1") = "9"
    & skf18("10","4","10","7","9","6","1") = "9"
    & skf18("10","4","10","7","9","7","1") = "9"
    & skf18("10","4","10","7","9","8","1") = "9"
    & skf18("10","4","10","7","9","9","1") = "9"
    & skf18("10","4","10","7","9","10","1") = "9"
    & skf18("10","4","10","7","10","1","1") = "9"
    & skf18("10","4","10","7","10","2","1") = "9"
    & skf18("10","4","10","7","10","3","1") = "9"
    & skf18("10","4","10","7","10","4","1") = "9"
    & skf18("10","4","10","7","10","5","1") = "9"
    & skf18("10","4","10","7","10","6","1") = "9"
    & skf18("10","4","10","7","10","7","1") = "9"
    & skf18("10","4","10","7","10","8","1") = "9"
    & skf18("10","4","10","7","10","9","1") = "9"
    & skf18("10","4","10","7","10","10","1") = "9"
    & skf18("10","4","10","8","1","1","1") = "9"
    & skf18("10","4","10","8","1","2","1") = "9"
    & skf18("10","4","10","8","1","3","1") = "9"
    & skf18("10","4","10","8","1","4","1") = "9"
    & skf18("10","4","10","8","1","5","1") = "9"
    & skf18("10","4","10","8","1","6","1") = "9"
    & skf18("10","4","10","8","1","7","1") = "9"
    & skf18("10","4","10","8","1","8","1") = "9"
    & skf18("10","4","10","8","1","9","1") = "9"
    & skf18("10","4","10","8","1","10","1") = "9"
    & skf18("10","4","10","8","2","1","1") = "9"
    & skf18("10","4","10","8","2","2","1") = "9"
    & skf18("10","4","10","8","2","3","1") = "9"
    & skf18("10","4","10","8","2","4","1") = "9"
    & skf18("10","4","10","8","2","5","1") = "9"
    & skf18("10","4","10","8","2","6","1") = "9"
    & skf18("10","4","10","8","2","7","1") = "9"
    & skf18("10","4","10","8","2","8","1") = "9"
    & skf18("10","4","10","8","2","9","1") = "9"
    & skf18("10","4","10","8","2","10","1") = "9"
    & skf18("10","4","10","8","3","1","1") = "9"
    & skf18("10","4","10","8","3","2","1") = "9"
    & skf18("10","4","10","8","3","3","1") = "9"
    & skf18("10","4","10","8","3","4","1") = "9"
    & skf18("10","4","10","8","3","5","1") = "9"
    & skf18("10","4","10","8","3","6","1") = "9"
    & skf18("10","4","10","8","3","7","1") = "9"
    & skf18("10","4","10","8","3","8","1") = "9"
    & skf18("10","4","10","8","3","9","1") = "9"
    & skf18("10","4","10","8","3","10","1") = "9"
    & skf18("10","4","10","8","4","1","1") = "9"
    & skf18("10","4","10","8","4","2","1") = "9"
    & skf18("10","4","10","8","4","3","1") = "9"
    & skf18("10","4","10","8","4","4","1") = "9"
    & skf18("10","4","10","8","4","5","1") = "9"
    & skf18("10","4","10","8","4","6","1") = "9"
    & skf18("10","4","10","8","4","7","1") = "9"
    & skf18("10","4","10","8","4","8","1") = "9"
    & skf18("10","4","10","8","4","9","1") = "9"
    & skf18("10","4","10","8","4","10","1") = "9"
    & skf18("10","4","10","8","5","1","1") = "9"
    & skf18("10","4","10","8","5","2","1") = "9"
    & skf18("10","4","10","8","5","3","1") = "9"
    & skf18("10","4","10","8","5","4","1") = "9"
    & skf18("10","4","10","8","5","5","1") = "9"
    & skf18("10","4","10","8","5","6","1") = "9"
    & skf18("10","4","10","8","5","7","1") = "9"
    & skf18("10","4","10","8","5","8","1") = "9"
    & skf18("10","4","10","8","5","9","1") = "9"
    & skf18("10","4","10","8","5","10","1") = "9"
    & skf18("10","4","10","8","6","1","1") = "9"
    & skf18("10","4","10","8","6","2","1") = "9"
    & skf18("10","4","10","8","6","3","1") = "9"
    & skf18("10","4","10","8","6","4","1") = "9"
    & skf18("10","4","10","8","6","5","1") = "9"
    & skf18("10","4","10","8","6","6","1") = "9"
    & skf18("10","4","10","8","6","7","1") = "9"
    & skf18("10","4","10","8","6","8","1") = "9"
    & skf18("10","4","10","8","6","9","1") = "9"
    & skf18("10","4","10","8","6","10","1") = "9"
    & skf18("10","4","10","8","7","1","1") = "9"
    & skf18("10","4","10","8","7","2","1") = "9"
    & skf18("10","4","10","8","7","3","1") = "9"
    & skf18("10","4","10","8","7","4","1") = "9"
    & skf18("10","4","10","8","7","5","1") = "9"
    & skf18("10","4","10","8","7","6","1") = "9"
    & skf18("10","4","10","8","7","7","1") = "9"
    & skf18("10","4","10","8","7","8","1") = "9"
    & skf18("10","4","10","8","7","9","1") = "9"
    & skf18("10","4","10","8","7","10","1") = "9"
    & skf18("10","4","10","8","8","1","1") = "9"
    & skf18("10","4","10","8","8","2","1") = "9"
    & skf18("10","4","10","8","8","3","1") = "9"
    & skf18("10","4","10","8","8","4","1") = "9"
    & skf18("10","4","10","8","8","5","1") = "9"
    & skf18("10","4","10","8","8","6","1") = "9"
    & skf18("10","4","10","8","8","7","1") = "9"
    & skf18("10","4","10","8","8","8","1") = "9"
    & skf18("10","4","10","8","8","9","1") = "9"
    & skf18("10","4","10","8","8","10","1") = "9"
    & skf18("10","4","10","8","9","1","1") = "9"
    & skf18("10","4","10","8","9","2","1") = "9"
    & skf18("10","4","10","8","9","3","1") = "9"
    & skf18("10","4","10","8","9","4","1") = "9"
    & skf18("10","4","10","8","9","5","1") = "9"
    & skf18("10","4","10","8","9","6","1") = "9"
    & skf18("10","4","10","8","9","7","1") = "9"
    & skf18("10","4","10","8","9","8","1") = "9"
    & skf18("10","4","10","8","9","9","1") = "9"
    & skf18("10","4","10","8","9","10","1") = "9"
    & skf18("10","4","10","8","10","1","1") = "9"
    & skf18("10","4","10","8","10","2","1") = "9"
    & skf18("10","4","10","8","10","3","1") = "9"
    & skf18("10","4","10","8","10","4","1") = "9"
    & skf18("10","4","10","8","10","5","1") = "9"
    & skf18("10","4","10","8","10","6","1") = "9"
    & skf18("10","4","10","8","10","7","1") = "9"
    & skf18("10","4","10","8","10","8","1") = "9"
    & skf18("10","4","10","8","10","9","1") = "9"
    & skf18("10","4","10","8","10","10","1") = "9"
    & skf18("10","4","10","9","1","1","1") = "9"
    & skf18("10","4","10","9","1","2","1") = "9"
    & skf18("10","4","10","9","1","3","1") = "9"
    & skf18("10","4","10","9","1","4","1") = "9"
    & skf18("10","4","10","9","1","5","1") = "9"
    & skf18("10","4","10","9","1","6","1") = "9"
    & skf18("10","4","10","9","1","7","1") = "9"
    & skf18("10","4","10","9","1","8","1") = "9"
    & skf18("10","4","10","9","1","9","1") = "9"
    & skf18("10","4","10","9","1","10","1") = "9"
    & skf18("10","4","10","9","2","1","1") = "9"
    & skf18("10","4","10","9","2","2","1") = "9"
    & skf18("10","4","10","9","2","3","1") = "9"
    & skf18("10","4","10","9","2","4","1") = "9"
    & skf18("10","4","10","9","2","5","1") = "9"
    & skf18("10","4","10","9","2","6","1") = "9"
    & skf18("10","4","10","9","2","7","1") = "9"
    & skf18("10","4","10","9","2","8","1") = "9"
    & skf18("10","4","10","9","2","9","1") = "9"
    & skf18("10","4","10","9","2","10","1") = "9"
    & skf18("10","4","10","9","3","1","1") = "9"
    & skf18("10","4","10","9","3","2","1") = "9"
    & skf18("10","4","10","9","3","3","1") = "9"
    & skf18("10","4","10","9","3","4","1") = "9"
    & skf18("10","4","10","9","3","5","1") = "9"
    & skf18("10","4","10","9","3","6","1") = "9"
    & skf18("10","4","10","9","3","7","1") = "9"
    & skf18("10","4","10","9","3","8","1") = "9"
    & skf18("10","4","10","9","3","9","1") = "9"
    & skf18("10","4","10","9","3","10","1") = "9"
    & skf18("10","4","10","9","4","1","1") = "9"
    & skf18("10","4","10","9","4","2","1") = "9"
    & skf18("10","4","10","9","4","3","1") = "9"
    & skf18("10","4","10","9","4","4","1") = "9"
    & skf18("10","4","10","9","4","5","1") = "9"
    & skf18("10","4","10","9","4","6","1") = "9"
    & skf18("10","4","10","9","4","7","1") = "9"
    & skf18("10","4","10","9","4","8","1") = "9"
    & skf18("10","4","10","9","4","9","1") = "9"
    & skf18("10","4","10","9","4","10","1") = "9"
    & skf18("10","4","10","9","5","1","1") = "9"
    & skf18("10","4","10","9","5","2","1") = "9"
    & skf18("10","4","10","9","5","3","1") = "9"
    & skf18("10","4","10","9","5","4","1") = "9"
    & skf18("10","4","10","9","5","5","1") = "9"
    & skf18("10","4","10","9","5","6","1") = "9"
    & skf18("10","4","10","9","5","7","1") = "9"
    & skf18("10","4","10","9","5","8","1") = "9"
    & skf18("10","4","10","9","5","9","1") = "9"
    & skf18("10","4","10","9","5","10","1") = "9"
    & skf18("10","4","10","9","6","1","1") = "9"
    & skf18("10","4","10","9","6","2","1") = "9"
    & skf18("10","4","10","9","6","3","1") = "9"
    & skf18("10","4","10","9","6","4","1") = "9"
    & skf18("10","4","10","9","6","5","1") = "9"
    & skf18("10","4","10","9","6","6","1") = "9"
    & skf18("10","4","10","9","6","7","1") = "9"
    & skf18("10","4","10","9","6","8","1") = "9"
    & skf18("10","4","10","9","6","9","1") = "9"
    & skf18("10","4","10","9","6","10","1") = "9"
    & skf18("10","4","10","9","7","1","1") = "9"
    & skf18("10","4","10","9","7","2","1") = "9"
    & skf18("10","4","10","9","7","3","1") = "9"
    & skf18("10","4","10","9","7","4","1") = "9"
    & skf18("10","4","10","9","7","5","1") = "9"
    & skf18("10","4","10","9","7","6","1") = "9"
    & skf18("10","4","10","9","7","7","1") = "9"
    & skf18("10","4","10","9","7","8","1") = "9"
    & skf18("10","4","10","9","7","9","1") = "9"
    & skf18("10","4","10","9","7","10","1") = "9"
    & skf18("10","4","10","9","8","1","1") = "9"
    & skf18("10","4","10","9","8","2","1") = "9"
    & skf18("10","4","10","9","8","3","1") = "9"
    & skf18("10","4","10","9","8","4","1") = "9"
    & skf18("10","4","10","9","8","5","1") = "9"
    & skf18("10","4","10","9","8","6","1") = "9"
    & skf18("10","4","10","9","8","7","1") = "9"
    & skf18("10","4","10","9","8","8","1") = "9"
    & skf18("10","4","10","9","8","9","1") = "9"
    & skf18("10","4","10","9","8","10","1") = "9"
    & skf18("10","4","10","9","9","1","1") = "9"
    & skf18("10","4","10","9","9","2","1") = "9"
    & skf18("10","4","10","9","9","3","1") = "9"
    & skf18("10","4","10","9","9","4","1") = "9"
    & skf18("10","4","10","9","9","5","1") = "9"
    & skf18("10","4","10","9","9","6","1") = "9"
    & skf18("10","4","10","9","9","7","1") = "9"
    & skf18("10","4","10","9","9","8","1") = "9"
    & skf18("10","4","10","9","9","9","1") = "9"
    & skf18("10","4","10","9","9","10","1") = "9"
    & skf18("10","4","10","9","10","1","1") = "9"
    & skf18("10","4","10","9","10","2","1") = "9"
    & skf18("10","4","10","9","10","3","1") = "9"
    & skf18("10","4","10","9","10","4","1") = "9"
    & skf18("10","4","10","9","10","5","1") = "9"
    & skf18("10","4","10","9","10","6","1") = "9"
    & skf18("10","4","10","9","10","7","1") = "9"
    & skf18("10","4","10","9","10","8","1") = "9"
    & skf18("10","4","10","9","10","9","1") = "9"
    & skf18("10","4","10","9","10","10","1") = "9"
    & skf18("10","4","10","10","1","1","1") = "9"
    & skf18("10","4","10","10","1","2","1") = "9"
    & skf18("10","4","10","10","1","3","1") = "9"
    & skf18("10","4","10","10","1","4","1") = "9"
    & skf18("10","4","10","10","1","5","1") = "9"
    & skf18("10","4","10","10","1","6","1") = "9"
    & skf18("10","4","10","10","1","7","1") = "9"
    & skf18("10","4","10","10","1","8","1") = "9"
    & skf18("10","4","10","10","1","9","1") = "9"
    & skf18("10","4","10","10","1","10","1") = "9"
    & skf18("10","4","10","10","2","1","1") = "9"
    & skf18("10","4","10","10","2","2","1") = "9"
    & skf18("10","4","10","10","2","3","1") = "9"
    & skf18("10","4","10","10","2","4","1") = "9"
    & skf18("10","4","10","10","2","5","1") = "9"
    & skf18("10","4","10","10","2","6","1") = "9"
    & skf18("10","4","10","10","2","7","1") = "9"
    & skf18("10","4","10","10","2","8","1") = "9"
    & skf18("10","4","10","10","2","9","1") = "9"
    & skf18("10","4","10","10","2","10","1") = "9"
    & skf18("10","4","10","10","3","1","1") = "9"
    & skf18("10","4","10","10","3","2","1") = "9"
    & skf18("10","4","10","10","3","3","1") = "9"
    & skf18("10","4","10","10","3","4","1") = "9"
    & skf18("10","4","10","10","3","5","1") = "9"
    & skf18("10","4","10","10","3","6","1") = "9"
    & skf18("10","4","10","10","3","7","1") = "9"
    & skf18("10","4","10","10","3","8","1") = "9"
    & skf18("10","4","10","10","3","9","1") = "9"
    & skf18("10","4","10","10","3","10","1") = "9"
    & skf18("10","4","10","10","4","1","1") = "9"
    & skf18("10","4","10","10","4","2","1") = "9"
    & skf18("10","4","10","10","4","3","1") = "9"
    & skf18("10","4","10","10","4","4","1") = "9"
    & skf18("10","4","10","10","4","5","1") = "9"
    & skf18("10","4","10","10","4","6","1") = "9"
    & skf18("10","4","10","10","4","7","1") = "9"
    & skf18("10","4","10","10","4","8","1") = "9"
    & skf18("10","4","10","10","4","9","1") = "9"
    & skf18("10","4","10","10","4","10","1") = "9"
    & skf18("10","4","10","10","5","1","1") = "9"
    & skf18("10","4","10","10","5","2","1") = "9"
    & skf18("10","4","10","10","5","3","1") = "9"
    & skf18("10","4","10","10","5","4","1") = "9"
    & skf18("10","4","10","10","5","5","1") = "9"
    & skf18("10","4","10","10","5","6","1") = "9"
    & skf18("10","4","10","10","5","7","1") = "9"
    & skf18("10","4","10","10","5","8","1") = "9"
    & skf18("10","4","10","10","5","9","1") = "9"
    & skf18("10","4","10","10","5","10","1") = "9"
    & skf18("10","4","10","10","6","1","1") = "9"
    & skf18("10","4","10","10","6","2","1") = "9"
    & skf18("10","4","10","10","6","3","1") = "9"
    & skf18("10","4","10","10","6","4","1") = "9"
    & skf18("10","4","10","10","6","5","1") = "9"
    & skf18("10","4","10","10","6","6","1") = "9"
    & skf18("10","4","10","10","6","7","1") = "9"
    & skf18("10","4","10","10","6","8","1") = "9"
    & skf18("10","4","10","10","6","9","1") = "9"
    & skf18("10","4","10","10","6","10","1") = "9"
    & skf18("10","4","10","10","7","1","1") = "9"
    & skf18("10","4","10","10","7","2","1") = "9"
    & skf18("10","4","10","10","7","3","1") = "9"
    & skf18("10","4","10","10","7","4","1") = "9"
    & skf18("10","4","10","10","7","5","1") = "9"
    & skf18("10","4","10","10","7","6","1") = "9"
    & skf18("10","4","10","10","7","7","1") = "9"
    & skf18("10","4","10","10","7","8","1") = "9"
    & skf18("10","4","10","10","7","9","1") = "9"
    & skf18("10","4","10","10","7","10","1") = "9"
    & skf18("10","4","10","10","8","1","1") = "9"
    & skf18("10","4","10","10","8","2","1") = "9"
    & skf18("10","4","10","10","8","3","1") = "9"
    & skf18("10","4","10","10","8","4","1") = "9"
    & skf18("10","4","10","10","8","5","1") = "9"
    & skf18("10","4","10","10","8","6","1") = "9"
    & skf18("10","4","10","10","8","7","1") = "9"
    & skf18("10","4","10","10","8","8","1") = "9"
    & skf18("10","4","10","10","8","9","1") = "9"
    & skf18("10","4","10","10","8","10","1") = "9"
    & skf18("10","4","10","10","9","1","1") = "9"
    & skf18("10","4","10","10","9","2","1") = "9"
    & skf18("10","4","10","10","9","3","1") = "9"
    & skf18("10","4","10","10","9","4","1") = "9"
    & skf18("10","4","10","10","9","5","1") = "9"
    & skf18("10","4","10","10","9","6","1") = "9"
    & skf18("10","4","10","10","9","7","1") = "9"
    & skf18("10","4","10","10","9","8","1") = "9"
    & skf18("10","4","10","10","9","9","1") = "9"
    & skf18("10","4","10","10","9","10","1") = "9"
    & skf18("10","4","10","10","10","1","1") = "9"
    & skf18("10","4","10","10","10","2","1") = "9"
    & skf18("10","4","10","10","10","3","1") = "9"
    & skf18("10","4","10","10","10","4","1") = "9"
    & skf18("10","4","10","10","10","5","1") = "9"
    & skf18("10","4","10","10","10","6","1") = "9"
    & skf18("10","4","10","10","10","7","1") = "9"
    & skf18("10","4","10","10","10","8","1") = "9"
    & skf18("10","4","10","10","10","9","1") = "9"
    & skf18("10","4","10","10","10","10","1") = "9"
    & skf18("10","5","1","1","1","1","1") = "9"
    & skf18("10","5","1","1","1","2","1") = "9"
    & skf18("10","5","1","1","1","3","1") = "9"
    & skf18("10","5","1","1","1","4","1") = "9"
    & skf18("10","5","1","1","1","5","1") = "9"
    & skf18("10","5","1","1","1","6","1") = "9"
    & skf18("10","5","1","1","1","7","1") = "9"
    & skf18("10","5","1","1","1","8","1") = "9"
    & skf18("10","5","1","1","1","9","1") = "9"
    & skf18("10","5","1","1","1","10","1") = "9"
    & skf18("10","5","1","1","2","1","1") = "9"
    & skf18("10","5","1","1","2","2","1") = "9"
    & skf18("10","5","1","1","2","3","1") = "9"
    & skf18("10","5","1","1","2","4","1") = "9"
    & skf18("10","5","1","1","2","5","1") = "9"
    & skf18("10","5","1","1","2","6","1") = "9"
    & skf18("10","5","1","1","2","7","1") = "9"
    & skf18("10","5","1","1","2","8","1") = "9"
    & skf18("10","5","1","1","2","9","1") = "9"
    & skf18("10","5","1","1","2","10","1") = "9"
    & skf18("10","5","1","1","3","1","1") = "9"
    & skf18("10","5","1","1","3","2","1") = "9"
    & skf18("10","5","1","1","3","3","1") = "9"
    & skf18("10","5","1","1","3","4","1") = "9"
    & skf18("10","5","1","1","3","5","1") = "9"
    & skf18("10","5","1","1","3","6","1") = "9"
    & skf18("10","5","1","1","3","7","1") = "9"
    & skf18("10","5","1","1","3","8","1") = "9"
    & skf18("10","5","1","1","3","9","1") = "9"
    & skf18("10","5","1","1","3","10","1") = "9"
    & skf18("10","5","1","1","4","1","1") = "9"
    & skf18("10","5","1","1","4","2","1") = "9"
    & skf18("10","5","1","1","4","3","1") = "9"
    & skf18("10","5","1","1","4","4","1") = "9"
    & skf18("10","5","1","1","4","5","1") = "9"
    & skf18("10","5","1","1","4","6","1") = "9"
    & skf18("10","5","1","1","4","7","1") = "9"
    & skf18("10","5","1","1","4","8","1") = "9"
    & skf18("10","5","1","1","4","9","1") = "9"
    & skf18("10","5","1","1","4","10","1") = "9"
    & skf18("10","5","1","1","5","1","1") = "9"
    & skf18("10","5","1","1","5","2","1") = "9"
    & skf18("10","5","1","1","5","3","1") = "9"
    & skf18("10","5","1","1","5","4","1") = "9"
    & skf18("10","5","1","1","5","5","1") = "9"
    & skf18("10","5","1","1","5","6","1") = "9"
    & skf18("10","5","1","1","5","7","1") = "9"
    & skf18("10","5","1","1","5","8","1") = "9"
    & skf18("10","5","1","1","5","9","1") = "9"
    & skf18("10","5","1","1","5","10","1") = "9"
    & skf18("10","5","1","1","6","1","1") = "9"
    & skf18("10","5","1","1","6","2","1") = "9"
    & skf18("10","5","1","1","6","3","1") = "9"
    & skf18("10","5","1","1","6","4","1") = "9"
    & skf18("10","5","1","1","6","5","1") = "9"
    & skf18("10","5","1","1","6","6","1") = "9"
    & skf18("10","5","1","1","6","7","1") = "9"
    & skf18("10","5","1","1","6","8","1") = "9"
    & skf18("10","5","1","1","6","9","1") = "9"
    & skf18("10","5","1","1","6","10","1") = "9"
    & skf18("10","5","1","1","7","1","1") = "9"
    & skf18("10","5","1","1","7","2","1") = "9"
    & skf18("10","5","1","1","7","3","1") = "9"
    & skf18("10","5","1","1","7","4","1") = "9"
    & skf18("10","5","1","1","7","5","1") = "9"
    & skf18("10","5","1","1","7","6","1") = "9"
    & skf18("10","5","1","1","7","7","1") = "9"
    & skf18("10","5","1","1","7","8","1") = "9"
    & skf18("10","5","1","1","7","9","1") = "9"
    & skf18("10","5","1","1","7","10","1") = "9"
    & skf18("10","5","1","1","8","1","1") = "9"
    & skf18("10","5","1","1","8","2","1") = "9"
    & skf18("10","5","1","1","8","3","1") = "9"
    & skf18("10","5","1","1","8","4","1") = "9"
    & skf18("10","5","1","1","8","5","1") = "9"
    & skf18("10","5","1","1","8","6","1") = "9"
    & skf18("10","5","1","1","8","7","1") = "9"
    & skf18("10","5","1","1","8","8","1") = "9"
    & skf18("10","5","1","1","8","9","1") = "9"
    & skf18("10","5","1","1","8","10","1") = "9"
    & skf18("10","5","1","1","9","1","1") = "9"
    & skf18("10","5","1","1","9","2","1") = "9"
    & skf18("10","5","1","1","9","3","1") = "9"
    & skf18("10","5","1","1","9","4","1") = "9"
    & skf18("10","5","1","1","9","5","1") = "9"
    & skf18("10","5","1","1","9","6","1") = "9"
    & skf18("10","5","1","1","9","7","1") = "9"
    & skf18("10","5","1","1","9","8","1") = "9"
    & skf18("10","5","1","1","9","9","1") = "9"
    & skf18("10","5","1","1","9","10","1") = "9"
    & skf18("10","5","1","1","10","1","1") = "9"
    & skf18("10","5","1","1","10","2","1") = "9"
    & skf18("10","5","1","1","10","3","1") = "9"
    & skf18("10","5","1","1","10","4","1") = "9"
    & skf18("10","5","1","1","10","5","1") = "9"
    & skf18("10","5","1","1","10","6","1") = "9"
    & skf18("10","5","1","1","10","7","1") = "9"
    & skf18("10","5","1","1","10","8","1") = "9"
    & skf18("10","5","1","1","10","9","1") = "9"
    & skf18("10","5","1","1","10","10","1") = "9"
    & skf18("10","5","1","2","1","1","1") = "9"
    & skf18("10","5","1","2","1","2","1") = "9"
    & skf18("10","5","1","2","1","3","1") = "9"
    & skf18("10","5","1","2","1","4","1") = "9"
    & skf18("10","5","1","2","1","5","1") = "9"
    & skf18("10","5","1","2","1","6","1") = "9"
    & skf18("10","5","1","2","1","7","1") = "9"
    & skf18("10","5","1","2","1","8","1") = "9"
    & skf18("10","5","1","2","1","9","1") = "9"
    & skf18("10","5","1","2","1","10","1") = "9"
    & skf18("10","5","1","2","2","1","1") = "9"
    & skf18("10","5","1","2","2","2","1") = "9"
    & skf18("10","5","1","2","2","3","1") = "9"
    & skf18("10","5","1","2","2","4","1") = "9"
    & skf18("10","5","1","2","2","5","1") = "9"
    & skf18("10","5","1","2","2","6","1") = "9"
    & skf18("10","5","1","2","2","7","1") = "9"
    & skf18("10","5","1","2","2","8","1") = "9"
    & skf18("10","5","1","2","2","9","1") = "9"
    & skf18("10","5","1","2","2","10","1") = "9"
    & skf18("10","5","1","2","3","1","1") = "9"
    & skf18("10","5","1","2","3","2","1") = "9"
    & skf18("10","5","1","2","3","3","1") = "9"
    & skf18("10","5","1","2","3","4","1") = "9"
    & skf18("10","5","1","2","3","5","1") = "9"
    & skf18("10","5","1","2","3","6","1") = "9"
    & skf18("10","5","1","2","3","7","1") = "9"
    & skf18("10","5","1","2","3","8","1") = "9"
    & skf18("10","5","1","2","3","9","1") = "9"
    & skf18("10","5","1","2","3","10","1") = "9"
    & skf18("10","5","1","2","4","1","1") = "9"
    & skf18("10","5","1","2","4","2","1") = "9"
    & skf18("10","5","1","2","4","3","1") = "9"
    & skf18("10","5","1","2","4","4","1") = "9"
    & skf18("10","5","1","2","4","5","1") = "9"
    & skf18("10","5","1","2","4","6","1") = "9"
    & skf18("10","5","1","2","4","7","1") = "9"
    & skf18("10","5","1","2","4","8","1") = "9"
    & skf18("10","5","1","2","4","9","1") = "9"
    & skf18("10","5","1","2","4","10","1") = "9"
    & skf18("10","5","1","2","5","1","1") = "9"
    & skf18("10","5","1","2","5","2","1") = "9"
    & skf18("10","5","1","2","5","3","1") = "9"
    & skf18("10","5","1","2","5","4","1") = "9"
    & skf18("10","5","1","2","5","5","1") = "9"
    & skf18("10","5","1","2","5","6","1") = "9"
    & skf18("10","5","1","2","5","7","1") = "9"
    & skf18("10","5","1","2","5","8","1") = "9"
    & skf18("10","5","1","2","5","9","1") = "9"
    & skf18("10","5","1","2","5","10","1") = "9"
    & skf18("10","5","1","2","6","1","1") = "9"
    & skf18("10","5","1","2","6","2","1") = "9"
    & skf18("10","5","1","2","6","3","1") = "9"
    & skf18("10","5","1","2","6","4","1") = "9"
    & skf18("10","5","1","2","6","5","1") = "9"
    & skf18("10","5","1","2","6","6","1") = "9"
    & skf18("10","5","1","2","6","7","1") = "9"
    & skf18("10","5","1","2","6","8","1") = "9"
    & skf18("10","5","1","2","6","9","1") = "9"
    & skf18("10","5","1","2","6","10","1") = "9"
    & skf18("10","5","1","2","7","1","1") = "9"
    & skf18("10","5","1","2","7","2","1") = "9"
    & skf18("10","5","1","2","7","3","1") = "9"
    & skf18("10","5","1","2","7","4","1") = "9"
    & skf18("10","5","1","2","7","5","1") = "9"
    & skf18("10","5","1","2","7","6","1") = "9"
    & skf18("10","5","1","2","7","7","1") = "9"
    & skf18("10","5","1","2","7","8","1") = "9"
    & skf18("10","5","1","2","7","9","1") = "9"
    & skf18("10","5","1","2","7","10","1") = "9"
    & skf18("10","5","1","2","8","1","1") = "9"
    & skf18("10","5","1","2","8","2","1") = "9"
    & skf18("10","5","1","2","8","3","1") = "9"
    & skf18("10","5","1","2","8","4","1") = "9"
    & skf18("10","5","1","2","8","5","1") = "9"
    & skf18("10","5","1","2","8","6","1") = "9"
    & skf18("10","5","1","2","8","7","1") = "9"
    & skf18("10","5","1","2","8","8","1") = "9"
    & skf18("10","5","1","2","8","9","1") = "9"
    & skf18("10","5","1","2","8","10","1") = "9"
    & skf18("10","5","1","2","9","1","1") = "9"
    & skf18("10","5","1","2","9","2","1") = "9"
    & skf18("10","5","1","2","9","3","1") = "9"
    & skf18("10","5","1","2","9","4","1") = "9"
    & skf18("10","5","1","2","9","5","1") = "9"
    & skf18("10","5","1","2","9","6","1") = "9"
    & skf18("10","5","1","2","9","7","1") = "9"
    & skf18("10","5","1","2","9","8","1") = "9"
    & skf18("10","5","1","2","9","9","1") = "9"
    & skf18("10","5","1","2","9","10","1") = "9"
    & skf18("10","5","1","2","10","1","1") = "9"
    & skf18("10","5","1","2","10","2","1") = "9"
    & skf18("10","5","1","2","10","3","1") = "9"
    & skf18("10","5","1","2","10","4","1") = "9"
    & skf18("10","5","1","2","10","5","1") = "9"
    & skf18("10","5","1","2","10","6","1") = "9"
    & skf18("10","5","1","2","10","7","1") = "9"
    & skf18("10","5","1","2","10","8","1") = "9"
    & skf18("10","5","1","2","10","9","1") = "9"
    & skf18("10","5","1","2","10","10","1") = "9"
    & skf18("10","5","1","3","1","1","1") = "9"
    & skf18("10","5","1","3","1","2","1") = "9"
    & skf18("10","5","1","3","1","3","1") = "9"
    & skf18("10","5","1","3","1","4","1") = "9"
    & skf18("10","5","1","3","1","5","1") = "9"
    & skf18("10","5","1","3","1","6","1") = "9"
    & skf18("10","5","1","3","1","7","1") = "9"
    & skf18("10","5","1","3","1","8","1") = "9"
    & skf18("10","5","1","3","1","9","1") = "9"
    & skf18("10","5","1","3","1","10","1") = "9"
    & skf18("10","5","1","3","2","1","1") = "9"
    & skf18("10","5","1","3","2","2","1") = "9"
    & skf18("10","5","1","3","2","3","1") = "9"
    & skf18("10","5","1","3","2","4","1") = "9"
    & skf18("10","5","1","3","2","5","1") = "9"
    & skf18("10","5","1","3","2","6","1") = "9"
    & skf18("10","5","1","3","2","7","1") = "9"
    & skf18("10","5","1","3","2","8","1") = "9"
    & skf18("10","5","1","3","2","9","1") = "9"
    & skf18("10","5","1","3","2","10","1") = "9"
    & skf18("10","5","1","3","3","1","1") = "9"
    & skf18("10","5","1","3","3","2","1") = "9"
    & skf18("10","5","1","3","3","3","1") = "9"
    & skf18("10","5","1","3","3","4","1") = "9"
    & skf18("10","5","1","3","3","5","1") = "9"
    & skf18("10","5","1","3","3","6","1") = "9"
    & skf18("10","5","1","3","3","7","1") = "9"
    & skf18("10","5","1","3","3","8","1") = "9"
    & skf18("10","5","1","3","3","9","1") = "9"
    & skf18("10","5","1","3","3","10","1") = "9"
    & skf18("10","5","1","3","4","1","1") = "9"
    & skf18("10","5","1","3","4","2","1") = "9"
    & skf18("10","5","1","3","4","3","1") = "9"
    & skf18("10","5","1","3","4","4","1") = "9"
    & skf18("10","5","1","3","4","5","1") = "9"
    & skf18("10","5","1","3","4","6","1") = "9"
    & skf18("10","5","1","3","4","7","1") = "9"
    & skf18("10","5","1","3","4","8","1") = "9"
    & skf18("10","5","1","3","4","9","1") = "9"
    & skf18("10","5","1","3","4","10","1") = "9"
    & skf18("10","5","1","3","5","1","1") = "9"
    & skf18("10","5","1","3","5","2","1") = "9"
    & skf18("10","5","1","3","5","3","1") = "9"
    & skf18("10","5","1","3","5","4","1") = "9"
    & skf18("10","5","1","3","5","5","1") = "9"
    & skf18("10","5","1","3","5","6","1") = "9"
    & skf18("10","5","1","3","5","7","1") = "9"
    & skf18("10","5","1","3","5","8","1") = "9"
    & skf18("10","5","1","3","5","9","1") = "9"
    & skf18("10","5","1","3","5","10","1") = "9"
    & skf18("10","5","1","3","6","1","1") = "9"
    & skf18("10","5","1","3","6","2","1") = "9"
    & skf18("10","5","1","3","6","3","1") = "9"
    & skf18("10","5","1","3","6","4","1") = "9"
    & skf18("10","5","1","3","6","5","1") = "9"
    & skf18("10","5","1","3","6","6","1") = "9"
    & skf18("10","5","1","3","6","7","1") = "9"
    & skf18("10","5","1","3","6","8","1") = "9"
    & skf18("10","5","1","3","6","9","1") = "9"
    & skf18("10","5","1","3","6","10","1") = "9"
    & skf18("10","5","1","3","7","1","1") = "9"
    & skf18("10","5","1","3","7","2","1") = "9"
    & skf18("10","5","1","3","7","3","1") = "9"
    & skf18("10","5","1","3","7","4","1") = "9"
    & skf18("10","5","1","3","7","5","1") = "9"
    & skf18("10","5","1","3","7","6","1") = "9"
    & skf18("10","5","1","3","7","7","1") = "9"
    & skf18("10","5","1","3","7","8","1") = "9"
    & skf18("10","5","1","3","7","9","1") = "9"
    & skf18("10","5","1","3","7","10","1") = "9"
    & skf18("10","5","1","3","8","1","1") = "9"
    & skf18("10","5","1","3","8","2","1") = "9"
    & skf18("10","5","1","3","8","3","1") = "9"
    & skf18("10","5","1","3","8","4","1") = "9"
    & skf18("10","5","1","3","8","5","1") = "9"
    & skf18("10","5","1","3","8","6","1") = "9"
    & skf18("10","5","1","3","8","7","1") = "9"
    & skf18("10","5","1","3","8","8","1") = "9"
    & skf18("10","5","1","3","8","9","1") = "9"
    & skf18("10","5","1","3","8","10","1") = "9"
    & skf18("10","5","1","3","9","1","1") = "9"
    & skf18("10","5","1","3","9","2","1") = "9"
    & skf18("10","5","1","3","9","3","1") = "9"
    & skf18("10","5","1","3","9","4","1") = "9"
    & skf18("10","5","1","3","9","5","1") = "9"
    & skf18("10","5","1","3","9","6","1") = "9"
    & skf18("10","5","1","3","9","7","1") = "9"
    & skf18("10","5","1","3","9","8","1") = "9"
    & skf18("10","5","1","3","9","9","1") = "9"
    & skf18("10","5","1","3","9","10","1") = "9"
    & skf18("10","5","1","3","10","1","1") = "9"
    & skf18("10","5","1","3","10","2","1") = "9"
    & skf18("10","5","1","3","10","3","1") = "9"
    & skf18("10","5","1","3","10","4","1") = "9"
    & skf18("10","5","1","3","10","5","1") = "9"
    & skf18("10","5","1","3","10","6","1") = "9"
    & skf18("10","5","1","3","10","7","1") = "9"
    & skf18("10","5","1","3","10","8","1") = "9"
    & skf18("10","5","1","3","10","9","1") = "9"
    & skf18("10","5","1","3","10","10","1") = "9"
    & skf18("10","5","1","4","1","1","1") = "9"
    & skf18("10","5","1","4","1","2","1") = "9"
    & skf18("10","5","1","4","1","3","1") = "9"
    & skf18("10","5","1","4","1","4","1") = "9"
    & skf18("10","5","1","4","1","5","1") = "9"
    & skf18("10","5","1","4","1","6","1") = "9"
    & skf18("10","5","1","4","1","7","1") = "9"
    & skf18("10","5","1","4","1","8","1") = "9"
    & skf18("10","5","1","4","1","9","1") = "9"
    & skf18("10","5","1","4","1","10","1") = "9"
    & skf18("10","5","1","4","2","1","1") = "9"
    & skf18("10","5","1","4","2","2","1") = "9"
    & skf18("10","5","1","4","2","3","1") = "9"
    & skf18("10","5","1","4","2","4","1") = "9"
    & skf18("10","5","1","4","2","5","1") = "9"
    & skf18("10","5","1","4","2","6","1") = "9"
    & skf18("10","5","1","4","2","7","1") = "9"
    & skf18("10","5","1","4","2","8","1") = "9"
    & skf18("10","5","1","4","2","9","1") = "9"
    & skf18("10","5","1","4","2","10","1") = "9"
    & skf18("10","5","1","4","3","1","1") = "9"
    & skf18("10","5","1","4","3","2","1") = "9"
    & skf18("10","5","1","4","3","3","1") = "9"
    & skf18("10","5","1","4","3","4","1") = "9"
    & skf18("10","5","1","4","3","5","1") = "9"
    & skf18("10","5","1","4","3","6","1") = "9"
    & skf18("10","5","1","4","3","7","1") = "9"
    & skf18("10","5","1","4","3","8","1") = "9"
    & skf18("10","5","1","4","3","9","1") = "9"
    & skf18("10","5","1","4","3","10","1") = "9"
    & skf18("10","5","1","4","4","1","1") = "9"
    & skf18("10","5","1","4","4","2","1") = "9"
    & skf18("10","5","1","4","4","3","1") = "9"
    & skf18("10","5","1","4","4","4","1") = "9"
    & skf18("10","5","1","4","4","5","1") = "9"
    & skf18("10","5","1","4","4","6","1") = "9"
    & skf18("10","5","1","4","4","7","1") = "9"
    & skf18("10","5","1","4","4","8","1") = "9"
    & skf18("10","5","1","4","4","9","1") = "9"
    & skf18("10","5","1","4","4","10","1") = "9"
    & skf18("10","5","1","4","5","1","1") = "9"
    & skf18("10","5","1","4","5","2","1") = "9"
    & skf18("10","5","1","4","5","3","1") = "9"
    & skf18("10","5","1","4","5","4","1") = "9"
    & skf18("10","5","1","4","5","5","1") = "9"
    & skf18("10","5","1","4","5","6","1") = "9"
    & skf18("10","5","1","4","5","7","1") = "9"
    & skf18("10","5","1","4","5","8","1") = "9"
    & skf18("10","5","1","4","5","9","1") = "9"
    & skf18("10","5","1","4","5","10","1") = "9"
    & skf18("10","5","1","4","6","1","1") = "9"
    & skf18("10","5","1","4","6","2","1") = "9"
    & skf18("10","5","1","4","6","3","1") = "9"
    & skf18("10","5","1","4","6","4","1") = "9"
    & skf18("10","5","1","4","6","5","1") = "9"
    & skf18("10","5","1","4","6","6","1") = "9"
    & skf18("10","5","1","4","6","7","1") = "9"
    & skf18("10","5","1","4","6","8","1") = "9"
    & skf18("10","5","1","4","6","9","1") = "9"
    & skf18("10","5","1","4","6","10","1") = "9"
    & skf18("10","5","1","4","7","1","1") = "9"
    & skf18("10","5","1","4","7","2","1") = "9"
    & skf18("10","5","1","4","7","3","1") = "9"
    & skf18("10","5","1","4","7","4","1") = "9"
    & skf18("10","5","1","4","7","5","1") = "9"
    & skf18("10","5","1","4","7","6","1") = "9"
    & skf18("10","5","1","4","7","7","1") = "9"
    & skf18("10","5","1","4","7","8","1") = "9"
    & skf18("10","5","1","4","7","9","1") = "9"
    & skf18("10","5","1","4","7","10","1") = "9"
    & skf18("10","5","1","4","8","1","1") = "9"
    & skf18("10","5","1","4","8","2","1") = "9"
    & skf18("10","5","1","4","8","3","1") = "9"
    & skf18("10","5","1","4","8","4","1") = "9"
    & skf18("10","5","1","4","8","5","1") = "9"
    & skf18("10","5","1","4","8","6","1") = "9"
    & skf18("10","5","1","4","8","7","1") = "9"
    & skf18("10","5","1","4","8","8","1") = "9"
    & skf18("10","5","1","4","8","9","1") = "9"
    & skf18("10","5","1","4","8","10","1") = "9"
    & skf18("10","5","1","4","9","1","1") = "9"
    & skf18("10","5","1","4","9","2","1") = "9"
    & skf18("10","5","1","4","9","3","1") = "9"
    & skf18("10","5","1","4","9","4","1") = "9"
    & skf18("10","5","1","4","9","5","1") = "9"
    & skf18("10","5","1","4","9","6","1") = "9"
    & skf18("10","5","1","4","9","7","1") = "9"
    & skf18("10","5","1","4","9","8","1") = "9"
    & skf18("10","5","1","4","9","9","1") = "9"
    & skf18("10","5","1","4","9","10","1") = "9"
    & skf18("10","5","1","4","10","1","1") = "9"
    & skf18("10","5","1","4","10","2","1") = "9"
    & skf18("10","5","1","4","10","3","1") = "9"
    & skf18("10","5","1","4","10","4","1") = "9"
    & skf18("10","5","1","4","10","5","1") = "9"
    & skf18("10","5","1","4","10","6","1") = "9"
    & skf18("10","5","1","4","10","7","1") = "9"
    & skf18("10","5","1","4","10","8","1") = "9"
    & skf18("10","5","1","4","10","9","1") = "9"
    & skf18("10","5","1","4","10","10","1") = "9"
    & skf18("10","5","1","5","1","1","1") = "9"
    & skf18("10","5","1","5","1","2","1") = "9"
    & skf18("10","5","1","5","1","3","1") = "9"
    & skf18("10","5","1","5","1","4","1") = "9"
    & skf18("10","5","1","5","1","5","1") = "9"
    & skf18("10","5","1","5","1","6","1") = "9"
    & skf18("10","5","1","5","1","7","1") = "9"
    & skf18("10","5","1","5","1","8","1") = "9"
    & skf18("10","5","1","5","1","9","1") = "9"
    & skf18("10","5","1","5","1","10","1") = "9"
    & skf18("10","5","1","5","2","1","1") = "9"
    & skf18("10","5","1","5","2","2","1") = "9"
    & skf18("10","5","1","5","2","3","1") = "9"
    & skf18("10","5","1","5","2","4","1") = "9"
    & skf18("10","5","1","5","2","5","1") = "9"
    & skf18("10","5","1","5","2","6","1") = "9"
    & skf18("10","5","1","5","2","7","1") = "9"
    & skf18("10","5","1","5","2","8","1") = "9"
    & skf18("10","5","1","5","2","9","1") = "9"
    & skf18("10","5","1","5","2","10","1") = "9"
    & skf18("10","5","1","5","3","1","1") = "9"
    & skf18("10","5","1","5","3","2","1") = "9"
    & skf18("10","5","1","5","3","3","1") = "9"
    & skf18("10","5","1","5","3","4","1") = "9"
    & skf18("10","5","1","5","3","5","1") = "9"
    & skf18("10","5","1","5","3","6","1") = "9"
    & skf18("10","5","1","5","3","7","1") = "9"
    & skf18("10","5","1","5","3","8","1") = "9"
    & skf18("10","5","1","5","3","9","1") = "9"
    & skf18("10","5","1","5","3","10","1") = "9"
    & skf18("10","5","1","5","4","1","1") = "9"
    & skf18("10","5","1","5","4","2","1") = "9"
    & skf18("10","5","1","5","4","3","1") = "9"
    & skf18("10","5","1","5","4","4","1") = "9"
    & skf18("10","5","1","5","4","5","1") = "9"
    & skf18("10","5","1","5","4","6","1") = "9"
    & skf18("10","5","1","5","4","7","1") = "9"
    & skf18("10","5","1","5","4","8","1") = "9"
    & skf18("10","5","1","5","4","9","1") = "9"
    & skf18("10","5","1","5","4","10","1") = "9"
    & skf18("10","5","1","5","5","1","1") = "9"
    & skf18("10","5","1","5","5","2","1") = "9"
    & skf18("10","5","1","5","5","3","1") = "9"
    & skf18("10","5","1","5","5","4","1") = "9"
    & skf18("10","5","1","5","5","5","1") = "9"
    & skf18("10","5","1","5","5","6","1") = "9"
    & skf18("10","5","1","5","5","7","1") = "9"
    & skf18("10","5","1","5","5","8","1") = "9"
    & skf18("10","5","1","5","5","9","1") = "9"
    & skf18("10","5","1","5","5","10","1") = "9"
    & skf18("10","5","1","5","6","1","1") = "9"
    & skf18("10","5","1","5","6","2","1") = "9"
    & skf18("10","5","1","5","6","3","1") = "9"
    & skf18("10","5","1","5","6","4","1") = "9"
    & skf18("10","5","1","5","6","5","1") = "9"
    & skf18("10","5","1","5","6","6","1") = "9"
    & skf18("10","5","1","5","6","7","1") = "9"
    & skf18("10","5","1","5","6","8","1") = "9"
    & skf18("10","5","1","5","6","9","1") = "9"
    & skf18("10","5","1","5","6","10","1") = "9"
    & skf18("10","5","1","5","7","1","1") = "9"
    & skf18("10","5","1","5","7","2","1") = "9"
    & skf18("10","5","1","5","7","3","1") = "9"
    & skf18("10","5","1","5","7","4","1") = "9"
    & skf18("10","5","1","5","7","5","1") = "9"
    & skf18("10","5","1","5","7","6","1") = "9"
    & skf18("10","5","1","5","7","7","1") = "9"
    & skf18("10","5","1","5","7","8","1") = "9"
    & skf18("10","5","1","5","7","9","1") = "9"
    & skf18("10","5","1","5","7","10","1") = "9"
    & skf18("10","5","1","5","8","1","1") = "9"
    & skf18("10","5","1","5","8","2","1") = "9"
    & skf18("10","5","1","5","8","3","1") = "9"
    & skf18("10","5","1","5","8","4","1") = "9"
    & skf18("10","5","1","5","8","5","1") = "9"
    & skf18("10","5","1","5","8","6","1") = "9"
    & skf18("10","5","1","5","8","7","1") = "9"
    & skf18("10","5","1","5","8","8","1") = "9"
    & skf18("10","5","1","5","8","9","1") = "9"
    & skf18("10","5","1","5","8","10","1") = "9"
    & skf18("10","5","1","5","9","1","1") = "9"
    & skf18("10","5","1","5","9","2","1") = "9"
    & skf18("10","5","1","5","9","3","1") = "9"
    & skf18("10","5","1","5","9","4","1") = "9"
    & skf18("10","5","1","5","9","5","1") = "9"
    & skf18("10","5","1","5","9","6","1") = "9"
    & skf18("10","5","1","5","9","7","1") = "9"
    & skf18("10","5","1","5","9","8","1") = "9"
    & skf18("10","5","1","5","9","9","1") = "9"
    & skf18("10","5","1","5","9","10","1") = "9"
    & skf18("10","5","1","5","10","1","1") = "9"
    & skf18("10","5","1","5","10","2","1") = "9"
    & skf18("10","5","1","5","10","3","1") = "9"
    & skf18("10","5","1","5","10","4","1") = "9"
    & skf18("10","5","1","5","10","5","1") = "9"
    & skf18("10","5","1","5","10","6","1") = "9"
    & skf18("10","5","1","5","10","7","1") = "9"
    & skf18("10","5","1","5","10","8","1") = "9"
    & skf18("10","5","1","5","10","9","1") = "9"
    & skf18("10","5","1","5","10","10","1") = "9"
    & skf18("10","5","1","6","1","1","1") = "9"
    & skf18("10","5","1","6","1","2","1") = "9"
    & skf18("10","5","1","6","1","3","1") = "9"
    & skf18("10","5","1","6","1","4","1") = "9"
    & skf18("10","5","1","6","1","5","1") = "9"
    & skf18("10","5","1","6","1","6","1") = "9"
    & skf18("10","5","1","6","1","7","1") = "9"
    & skf18("10","5","1","6","1","8","1") = "9"
    & skf18("10","5","1","6","1","9","1") = "9"
    & skf18("10","5","1","6","1","10","1") = "9"
    & skf18("10","5","1","6","2","1","1") = "9"
    & skf18("10","5","1","6","2","2","1") = "9"
    & skf18("10","5","1","6","2","3","1") = "9"
    & skf18("10","5","1","6","2","4","1") = "9"
    & skf18("10","5","1","6","2","5","1") = "9"
    & skf18("10","5","1","6","2","6","1") = "9"
    & skf18("10","5","1","6","2","7","1") = "9"
    & skf18("10","5","1","6","2","8","1") = "9"
    & skf18("10","5","1","6","2","9","1") = "9"
    & skf18("10","5","1","6","2","10","1") = "9"
    & skf18("10","5","1","6","3","1","1") = "9"
    & skf18("10","5","1","6","3","2","1") = "9"
    & skf18("10","5","1","6","3","3","1") = "9"
    & skf18("10","5","1","6","3","4","1") = "9"
    & skf18("10","5","1","6","3","5","1") = "9"
    & skf18("10","5","1","6","3","6","1") = "9"
    & skf18("10","5","1","6","3","7","1") = "9"
    & skf18("10","5","1","6","3","8","1") = "9"
    & skf18("10","5","1","6","3","9","1") = "9"
    & skf18("10","5","1","6","3","10","1") = "9"
    & skf18("10","5","1","6","4","1","1") = "9"
    & skf18("10","5","1","6","4","2","1") = "9"
    & skf18("10","5","1","6","4","3","1") = "9"
    & skf18("10","5","1","6","4","4","1") = "9"
    & skf18("10","5","1","6","4","5","1") = "9"
    & skf18("10","5","1","6","4","6","1") = "9"
    & skf18("10","5","1","6","4","7","1") = "9"
    & skf18("10","5","1","6","4","8","1") = "9"
    & skf18("10","5","1","6","4","9","1") = "9"
    & skf18("10","5","1","6","4","10","1") = "9"
    & skf18("10","5","1","6","5","1","1") = "9"
    & skf18("10","5","1","6","5","2","1") = "9"
    & skf18("10","5","1","6","5","3","1") = "9"
    & skf18("10","5","1","6","5","4","1") = "9"
    & skf18("10","5","1","6","5","5","1") = "9"
    & skf18("10","5","1","6","5","6","1") = "9"
    & skf18("10","5","1","6","5","7","1") = "9"
    & skf18("10","5","1","6","5","8","1") = "9"
    & skf18("10","5","1","6","5","9","1") = "9"
    & skf18("10","5","1","6","5","10","1") = "9"
    & skf18("10","5","1","6","6","1","1") = "9"
    & skf18("10","5","1","6","6","2","1") = "9"
    & skf18("10","5","1","6","6","3","1") = "9"
    & skf18("10","5","1","6","6","4","1") = "9"
    & skf18("10","5","1","6","6","5","1") = "9"
    & skf18("10","5","1","6","6","6","1") = "9"
    & skf18("10","5","1","6","6","7","1") = "9"
    & skf18("10","5","1","6","6","8","1") = "9"
    & skf18("10","5","1","6","6","9","1") = "9"
    & skf18("10","5","1","6","6","10","1") = "9"
    & skf18("10","5","1","6","7","1","1") = "9"
    & skf18("10","5","1","6","7","2","1") = "9"
    & skf18("10","5","1","6","7","3","1") = "9"
    & skf18("10","5","1","6","7","4","1") = "9"
    & skf18("10","5","1","6","7","5","1") = "9"
    & skf18("10","5","1","6","7","6","1") = "9"
    & skf18("10","5","1","6","7","7","1") = "9"
    & skf18("10","5","1","6","7","8","1") = "9"
    & skf18("10","5","1","6","7","9","1") = "9"
    & skf18("10","5","1","6","7","10","1") = "9"
    & skf18("10","5","1","6","8","1","1") = "9"
    & skf18("10","5","1","6","8","2","1") = "9"
    & skf18("10","5","1","6","8","3","1") = "9"
    & skf18("10","5","1","6","8","4","1") = "9"
    & skf18("10","5","1","6","8","5","1") = "9"
    & skf18("10","5","1","6","8","6","1") = "9"
    & skf18("10","5","1","6","8","7","1") = "9"
    & skf18("10","5","1","6","8","8","1") = "9"
    & skf18("10","5","1","6","8","9","1") = "9"
    & skf18("10","5","1","6","8","10","1") = "9"
    & skf18("10","5","1","6","9","1","1") = "9"
    & skf18("10","5","1","6","9","2","1") = "9"
    & skf18("10","5","1","6","9","3","1") = "9"
    & skf18("10","5","1","6","9","4","1") = "9"
    & skf18("10","5","1","6","9","5","1") = "9"
    & skf18("10","5","1","6","9","6","1") = "9"
    & skf18("10","5","1","6","9","7","1") = "9"
    & skf18("10","5","1","6","9","8","1") = "9"
    & skf18("10","5","1","6","9","9","1") = "9"
    & skf18("10","5","1","6","9","10","1") = "9"
    & skf18("10","5","1","6","10","1","1") = "9"
    & skf18("10","5","1","6","10","2","1") = "9"
    & skf18("10","5","1","6","10","3","1") = "9"
    & skf18("10","5","1","6","10","4","1") = "9"
    & skf18("10","5","1","6","10","5","1") = "9"
    & skf18("10","5","1","6","10","6","1") = "9"
    & skf18("10","5","1","6","10","7","1") = "9"
    & skf18("10","5","1","6","10","8","1") = "9"
    & skf18("10","5","1","6","10","9","1") = "9"
    & skf18("10","5","1","6","10","10","1") = "9"
    & skf18("10","5","1","7","1","1","1") = "9"
    & skf18("10","5","1","7","1","2","1") = "9"
    & skf18("10","5","1","7","1","3","1") = "9"
    & skf18("10","5","1","7","1","4","1") = "9"
    & skf18("10","5","1","7","1","5","1") = "9"
    & skf18("10","5","1","7","1","6","1") = "9"
    & skf18("10","5","1","7","1","7","1") = "9"
    & skf18("10","5","1","7","1","8","1") = "9"
    & skf18("10","5","1","7","1","9","1") = "9"
    & skf18("10","5","1","7","1","10","1") = "9"
    & skf18("10","5","1","7","2","1","1") = "9"
    & skf18("10","5","1","7","2","2","1") = "9"
    & skf18("10","5","1","7","2","3","1") = "9"
    & skf18("10","5","1","7","2","4","1") = "9"
    & skf18("10","5","1","7","2","5","1") = "9"
    & skf18("10","5","1","7","2","6","1") = "9"
    & skf18("10","5","1","7","2","7","1") = "9"
    & skf18("10","5","1","7","2","8","1") = "9"
    & skf18("10","5","1","7","2","9","1") = "9"
    & skf18("10","5","1","7","2","10","1") = "9"
    & skf18("10","5","1","7","3","1","1") = "9"
    & skf18("10","5","1","7","3","2","1") = "9"
    & skf18("10","5","1","7","3","3","1") = "9"
    & skf18("10","5","1","7","3","4","1") = "9"
    & skf18("10","5","1","7","3","5","1") = "9"
    & skf18("10","5","1","7","3","6","1") = "9"
    & skf18("10","5","1","7","3","7","1") = "9"
    & skf18("10","5","1","7","3","8","1") = "9"
    & skf18("10","5","1","7","3","9","1") = "9"
    & skf18("10","5","1","7","3","10","1") = "9"
    & skf18("10","5","1","7","4","1","1") = "9"
    & skf18("10","5","1","7","4","2","1") = "9"
    & skf18("10","5","1","7","4","3","1") = "9"
    & skf18("10","5","1","7","4","4","1") = "9"
    & skf18("10","5","1","7","4","5","1") = "9"
    & skf18("10","5","1","7","4","6","1") = "9"
    & skf18("10","5","1","7","4","7","1") = "9"
    & skf18("10","5","1","7","4","8","1") = "9"
    & skf18("10","5","1","7","4","9","1") = "9"
    & skf18("10","5","1","7","4","10","1") = "9"
    & skf18("10","5","1","7","5","1","1") = "9"
    & skf18("10","5","1","7","5","2","1") = "9"
    & skf18("10","5","1","7","5","3","1") = "9"
    & skf18("10","5","1","7","5","4","1") = "9"
    & skf18("10","5","1","7","5","5","1") = "9"
    & skf18("10","5","1","7","5","6","1") = "9"
    & skf18("10","5","1","7","5","7","1") = "9"
    & skf18("10","5","1","7","5","8","1") = "9"
    & skf18("10","5","1","7","5","9","1") = "9"
    & skf18("10","5","1","7","5","10","1") = "9"
    & skf18("10","5","1","7","6","1","1") = "9"
    & skf18("10","5","1","7","6","2","1") = "9"
    & skf18("10","5","1","7","6","3","1") = "9"
    & skf18("10","5","1","7","6","4","1") = "9"
    & skf18("10","5","1","7","6","5","1") = "9"
    & skf18("10","5","1","7","6","6","1") = "9"
    & skf18("10","5","1","7","6","7","1") = "9"
    & skf18("10","5","1","7","6","8","1") = "9"
    & skf18("10","5","1","7","6","9","1") = "9"
    & skf18("10","5","1","7","6","10","1") = "9"
    & skf18("10","5","1","7","7","1","1") = "9"
    & skf18("10","5","1","7","7","2","1") = "9"
    & skf18("10","5","1","7","7","3","1") = "9"
    & skf18("10","5","1","7","7","4","1") = "9"
    & skf18("10","5","1","7","7","5","1") = "9"
    & skf18("10","5","1","7","7","6","1") = "9"
    & skf18("10","5","1","7","7","7","1") = "9"
    & skf18("10","5","1","7","7","8","1") = "9"
    & skf18("10","5","1","7","7","9","1") = "9"
    & skf18("10","5","1","7","7","10","1") = "9"
    & skf18("10","5","1","7","8","1","1") = "9"
    & skf18("10","5","1","7","8","2","1") = "9"
    & skf18("10","5","1","7","8","3","1") = "9"
    & skf18("10","5","1","7","8","4","1") = "9"
    & skf18("10","5","1","7","8","5","1") = "9"
    & skf18("10","5","1","7","8","6","1") = "9"
    & skf18("10","5","1","7","8","7","1") = "9"
    & skf18("10","5","1","7","8","8","1") = "9"
    & skf18("10","5","1","7","8","9","1") = "9"
    & skf18("10","5","1","7","8","10","1") = "9"
    & skf18("10","5","1","7","9","1","1") = "9"
    & skf18("10","5","1","7","9","2","1") = "9"
    & skf18("10","5","1","7","9","3","1") = "9"
    & skf18("10","5","1","7","9","4","1") = "9"
    & skf18("10","5","1","7","9","5","1") = "9"
    & skf18("10","5","1","7","9","6","1") = "9"
    & skf18("10","5","1","7","9","7","1") = "9"
    & skf18("10","5","1","7","9","8","1") = "9"
    & skf18("10","5","1","7","9","9","1") = "9"
    & skf18("10","5","1","7","9","10","1") = "9"
    & skf18("10","5","1","7","10","1","1") = "9"
    & skf18("10","5","1","7","10","2","1") = "9"
    & skf18("10","5","1","7","10","3","1") = "9"
    & skf18("10","5","1","7","10","4","1") = "9"
    & skf18("10","5","1","7","10","5","1") = "9"
    & skf18("10","5","1","7","10","6","1") = "9"
    & skf18("10","5","1","7","10","7","1") = "9"
    & skf18("10","5","1","7","10","8","1") = "9"
    & skf18("10","5","1","7","10","9","1") = "9"
    & skf18("10","5","1","7","10","10","1") = "9"
    & skf18("10","5","1","8","1","1","1") = "9"
    & skf18("10","5","1","8","1","2","1") = "9"
    & skf18("10","5","1","8","1","3","1") = "9"
    & skf18("10","5","1","8","1","4","1") = "9"
    & skf18("10","5","1","8","1","5","1") = "9"
    & skf18("10","5","1","8","1","6","1") = "9"
    & skf18("10","5","1","8","1","7","1") = "9"
    & skf18("10","5","1","8","1","8","1") = "9"
    & skf18("10","5","1","8","1","9","1") = "9"
    & skf18("10","5","1","8","1","10","1") = "9"
    & skf18("10","5","1","8","2","1","1") = "9"
    & skf18("10","5","1","8","2","2","1") = "9"
    & skf18("10","5","1","8","2","3","1") = "9"
    & skf18("10","5","1","8","2","4","1") = "9"
    & skf18("10","5","1","8","2","5","1") = "9"
    & skf18("10","5","1","8","2","6","1") = "9"
    & skf18("10","5","1","8","2","7","1") = "9"
    & skf18("10","5","1","8","2","8","1") = "9"
    & skf18("10","5","1","8","2","9","1") = "9"
    & skf18("10","5","1","8","2","10","1") = "9"
    & skf18("10","5","1","8","3","1","1") = "9"
    & skf18("10","5","1","8","3","2","1") = "9"
    & skf18("10","5","1","8","3","3","1") = "9"
    & skf18("10","5","1","8","3","4","1") = "9"
    & skf18("10","5","1","8","3","5","1") = "9"
    & skf18("10","5","1","8","3","6","1") = "9"
    & skf18("10","5","1","8","3","7","1") = "9"
    & skf18("10","5","1","8","3","8","1") = "9"
    & skf18("10","5","1","8","3","9","1") = "9"
    & skf18("10","5","1","8","3","10","1") = "9"
    & skf18("10","5","1","8","4","1","1") = "9"
    & skf18("10","5","1","8","4","2","1") = "9"
    & skf18("10","5","1","8","4","3","1") = "9"
    & skf18("10","5","1","8","4","4","1") = "9"
    & skf18("10","5","1","8","4","5","1") = "9"
    & skf18("10","5","1","8","4","6","1") = "9"
    & skf18("10","5","1","8","4","7","1") = "9"
    & skf18("10","5","1","8","4","8","1") = "9"
    & skf18("10","5","1","8","4","9","1") = "9"
    & skf18("10","5","1","8","4","10","1") = "9"
    & skf18("10","5","1","8","5","1","1") = "9"
    & skf18("10","5","1","8","5","2","1") = "9"
    & skf18("10","5","1","8","5","3","1") = "9"
    & skf18("10","5","1","8","5","4","1") = "9"
    & skf18("10","5","1","8","5","5","1") = "9"
    & skf18("10","5","1","8","5","6","1") = "9"
    & skf18("10","5","1","8","5","7","1") = "9"
    & skf18("10","5","1","8","5","8","1") = "9"
    & skf18("10","5","1","8","5","9","1") = "9"
    & skf18("10","5","1","8","5","10","1") = "9"
    & skf18("10","5","1","8","6","1","1") = "9"
    & skf18("10","5","1","8","6","2","1") = "9"
    & skf18("10","5","1","8","6","3","1") = "9"
    & skf18("10","5","1","8","6","4","1") = "9"
    & skf18("10","5","1","8","6","5","1") = "9"
    & skf18("10","5","1","8","6","6","1") = "9"
    & skf18("10","5","1","8","6","7","1") = "9"
    & skf18("10","5","1","8","6","8","1") = "9"
    & skf18("10","5","1","8","6","9","1") = "9"
    & skf18("10","5","1","8","6","10","1") = "9"
    & skf18("10","5","1","8","7","1","1") = "9"
    & skf18("10","5","1","8","7","2","1") = "9"
    & skf18("10","5","1","8","7","3","1") = "9"
    & skf18("10","5","1","8","7","4","1") = "9"
    & skf18("10","5","1","8","7","5","1") = "9"
    & skf18("10","5","1","8","7","6","1") = "9"
    & skf18("10","5","1","8","7","7","1") = "9"
    & skf18("10","5","1","8","7","8","1") = "9"
    & skf18("10","5","1","8","7","9","1") = "9"
    & skf18("10","5","1","8","7","10","1") = "9"
    & skf18("10","5","1","8","8","1","1") = "9"
    & skf18("10","5","1","8","8","2","1") = "9"
    & skf18("10","5","1","8","8","3","1") = "9"
    & skf18("10","5","1","8","8","4","1") = "9"
    & skf18("10","5","1","8","8","5","1") = "9"
    & skf18("10","5","1","8","8","6","1") = "9"
    & skf18("10","5","1","8","8","7","1") = "9"
    & skf18("10","5","1","8","8","8","1") = "9"
    & skf18("10","5","1","8","8","9","1") = "9"
    & skf18("10","5","1","8","8","10","1") = "9"
    & skf18("10","5","1","8","9","1","1") = "9"
    & skf18("10","5","1","8","9","2","1") = "9"
    & skf18("10","5","1","8","9","3","1") = "9"
    & skf18("10","5","1","8","9","4","1") = "9"
    & skf18("10","5","1","8","9","5","1") = "9"
    & skf18("10","5","1","8","9","6","1") = "9"
    & skf18("10","5","1","8","9","7","1") = "9"
    & skf18("10","5","1","8","9","8","1") = "9"
    & skf18("10","5","1","8","9","9","1") = "9"
    & skf18("10","5","1","8","9","10","1") = "9"
    & skf18("10","5","1","8","10","1","1") = "9"
    & skf18("10","5","1","8","10","2","1") = "9"
    & skf18("10","5","1","8","10","3","1") = "9"
    & skf18("10","5","1","8","10","4","1") = "9"
    & skf18("10","5","1","8","10","5","1") = "9"
    & skf18("10","5","1","8","10","6","1") = "9"
    & skf18("10","5","1","8","10","7","1") = "9"
    & skf18("10","5","1","8","10","8","1") = "9"
    & skf18("10","5","1","8","10","9","1") = "9"
    & skf18("10","5","1","8","10","10","1") = "9"
    & skf18("10","5","1","9","1","1","1") = "9"
    & skf18("10","5","1","9","1","2","1") = "9"
    & skf18("10","5","1","9","1","3","1") = "9"
    & skf18("10","5","1","9","1","4","1") = "9"
    & skf18("10","5","1","9","1","5","1") = "9"
    & skf18("10","5","1","9","1","6","1") = "9"
    & skf18("10","5","1","9","1","7","1") = "9"
    & skf18("10","5","1","9","1","8","1") = "9"
    & skf18("10","5","1","9","1","9","1") = "9"
    & skf18("10","5","1","9","1","10","1") = "9"
    & skf18("10","5","1","9","2","1","1") = "9"
    & skf18("10","5","1","9","2","2","1") = "9"
    & skf18("10","5","1","9","2","3","1") = "9"
    & skf18("10","5","1","9","2","4","1") = "9"
    & skf18("10","5","1","9","2","5","1") = "9"
    & skf18("10","5","1","9","2","6","1") = "9"
    & skf18("10","5","1","9","2","7","1") = "9"
    & skf18("10","5","1","9","2","8","1") = "9"
    & skf18("10","5","1","9","2","9","1") = "9"
    & skf18("10","5","1","9","2","10","1") = "9"
    & skf18("10","5","1","9","3","1","1") = "9"
    & skf18("10","5","1","9","3","2","1") = "9"
    & skf18("10","5","1","9","3","3","1") = "9"
    & skf18("10","5","1","9","3","4","1") = "9"
    & skf18("10","5","1","9","3","5","1") = "9"
    & skf18("10","5","1","9","3","6","1") = "9"
    & skf18("10","5","1","9","3","7","1") = "9"
    & skf18("10","5","1","9","3","8","1") = "9"
    & skf18("10","5","1","9","3","9","1") = "9"
    & skf18("10","5","1","9","3","10","1") = "9"
    & skf18("10","5","1","9","4","1","1") = "9"
    & skf18("10","5","1","9","4","2","1") = "9"
    & skf18("10","5","1","9","4","3","1") = "9"
    & skf18("10","5","1","9","4","4","1") = "9"
    & skf18("10","5","1","9","4","5","1") = "9"
    & skf18("10","5","1","9","4","6","1") = "9"
    & skf18("10","5","1","9","4","7","1") = "9"
    & skf18("10","5","1","9","4","8","1") = "9"
    & skf18("10","5","1","9","4","9","1") = "9"
    & skf18("10","5","1","9","4","10","1") = "9"
    & skf18("10","5","1","9","5","1","1") = "9"
    & skf18("10","5","1","9","5","2","1") = "9"
    & skf18("10","5","1","9","5","3","1") = "9"
    & skf18("10","5","1","9","5","4","1") = "9"
    & skf18("10","5","1","9","5","5","1") = "9"
    & skf18("10","5","1","9","5","6","1") = "9"
    & skf18("10","5","1","9","5","7","1") = "9"
    & skf18("10","5","1","9","5","8","1") = "9"
    & skf18("10","5","1","9","5","9","1") = "9"
    & skf18("10","5","1","9","5","10","1") = "9"
    & skf18("10","5","1","9","6","1","1") = "9"
    & skf18("10","5","1","9","6","2","1") = "9"
    & skf18("10","5","1","9","6","3","1") = "9"
    & skf18("10","5","1","9","6","4","1") = "9"
    & skf18("10","5","1","9","6","5","1") = "9"
    & skf18("10","5","1","9","6","6","1") = "9"
    & skf18("10","5","1","9","6","7","1") = "9"
    & skf18("10","5","1","9","6","8","1") = "9"
    & skf18("10","5","1","9","6","9","1") = "9"
    & skf18("10","5","1","9","6","10","1") = "9"
    & skf18("10","5","1","9","7","1","1") = "9"
    & skf18("10","5","1","9","7","2","1") = "9"
    & skf18("10","5","1","9","7","3","1") = "9"
    & skf18("10","5","1","9","7","4","1") = "9"
    & skf18("10","5","1","9","7","5","1") = "9"
    & skf18("10","5","1","9","7","6","1") = "9"
    & skf18("10","5","1","9","7","7","1") = "9"
    & skf18("10","5","1","9","7","8","1") = "9"
    & skf18("10","5","1","9","7","9","1") = "9"
    & skf18("10","5","1","9","7","10","1") = "9"
    & skf18("10","5","1","9","8","1","1") = "9"
    & skf18("10","5","1","9","8","2","1") = "9"
    & skf18("10","5","1","9","8","3","1") = "9"
    & skf18("10","5","1","9","8","4","1") = "9"
    & skf18("10","5","1","9","8","5","1") = "9"
    & skf18("10","5","1","9","8","6","1") = "9"
    & skf18("10","5","1","9","8","7","1") = "9"
    & skf18("10","5","1","9","8","8","1") = "9"
    & skf18("10","5","1","9","8","9","1") = "9"
    & skf18("10","5","1","9","8","10","1") = "9"
    & skf18("10","5","1","9","9","1","1") = "9"
    & skf18("10","5","1","9","9","2","1") = "9"
    & skf18("10","5","1","9","9","3","1") = "9"
    & skf18("10","5","1","9","9","4","1") = "9"
    & skf18("10","5","1","9","9","5","1") = "9"
    & skf18("10","5","1","9","9","6","1") = "9"
    & skf18("10","5","1","9","9","7","1") = "9"
    & skf18("10","5","1","9","9","8","1") = "9"
    & skf18("10","5","1","9","9","9","1") = "9"
    & skf18("10","5","1","9","9","10","1") = "9"
    & skf18("10","5","1","9","10","1","1") = "9"
    & skf18("10","5","1","9","10","2","1") = "9"
    & skf18("10","5","1","9","10","3","1") = "9"
    & skf18("10","5","1","9","10","4","1") = "9"
    & skf18("10","5","1","9","10","5","1") = "9"
    & skf18("10","5","1","9","10","6","1") = "9"
    & skf18("10","5","1","9","10","7","1") = "9"
    & skf18("10","5","1","9","10","8","1") = "9"
    & skf18("10","5","1","9","10","9","1") = "9"
    & skf18("10","5","1","9","10","10","1") = "9"
    & skf18("10","5","1","10","1","1","1") = "9"
    & skf18("10","5","1","10","1","2","1") = "9"
    & skf18("10","5","1","10","1","3","1") = "9"
    & skf18("10","5","1","10","1","4","1") = "9"
    & skf18("10","5","1","10","1","5","1") = "9"
    & skf18("10","5","1","10","1","6","1") = "9"
    & skf18("10","5","1","10","1","7","1") = "9"
    & skf18("10","5","1","10","1","8","1") = "9"
    & skf18("10","5","1","10","1","9","1") = "9"
    & skf18("10","5","1","10","1","10","1") = "9"
    & skf18("10","5","1","10","2","1","1") = "9"
    & skf18("10","5","1","10","2","2","1") = "9"
    & skf18("10","5","1","10","2","3","1") = "9"
    & skf18("10","5","1","10","2","4","1") = "9"
    & skf18("10","5","1","10","2","5","1") = "9"
    & skf18("10","5","1","10","2","6","1") = "9"
    & skf18("10","5","1","10","2","7","1") = "9"
    & skf18("10","5","1","10","2","8","1") = "9"
    & skf18("10","5","1","10","2","9","1") = "9"
    & skf18("10","5","1","10","2","10","1") = "9"
    & skf18("10","5","1","10","3","1","1") = "9"
    & skf18("10","5","1","10","3","2","1") = "9"
    & skf18("10","5","1","10","3","3","1") = "9"
    & skf18("10","5","1","10","3","4","1") = "9"
    & skf18("10","5","1","10","3","5","1") = "9"
    & skf18("10","5","1","10","3","6","1") = "9"
    & skf18("10","5","1","10","3","7","1") = "9"
    & skf18("10","5","1","10","3","8","1") = "9"
    & skf18("10","5","1","10","3","9","1") = "9"
    & skf18("10","5","1","10","3","10","1") = "9"
    & skf18("10","5","1","10","4","1","1") = "9"
    & skf18("10","5","1","10","4","2","1") = "9"
    & skf18("10","5","1","10","4","3","1") = "9"
    & skf18("10","5","1","10","4","4","1") = "9"
    & skf18("10","5","1","10","4","5","1") = "9"
    & skf18("10","5","1","10","4","6","1") = "9"
    & skf18("10","5","1","10","4","7","1") = "9"
    & skf18("10","5","1","10","4","8","1") = "9"
    & skf18("10","5","1","10","4","9","1") = "9"
    & skf18("10","5","1","10","4","10","1") = "9"
    & skf18("10","5","1","10","5","1","1") = "9"
    & skf18("10","5","1","10","5","2","1") = "9"
    & skf18("10","5","1","10","5","3","1") = "9"
    & skf18("10","5","1","10","5","4","1") = "9"
    & skf18("10","5","1","10","5","5","1") = "9"
    & skf18("10","5","1","10","5","6","1") = "9"
    & skf18("10","5","1","10","5","7","1") = "9"
    & skf18("10","5","1","10","5","8","1") = "9"
    & skf18("10","5","1","10","5","9","1") = "9"
    & skf18("10","5","1","10","5","10","1") = "9"
    & skf18("10","5","1","10","6","1","1") = "9"
    & skf18("10","5","1","10","6","2","1") = "9"
    & skf18("10","5","1","10","6","3","1") = "9"
    & skf18("10","5","1","10","6","4","1") = "9"
    & skf18("10","5","1","10","6","5","1") = "9"
    & skf18("10","5","1","10","6","6","1") = "9"
    & skf18("10","5","1","10","6","7","1") = "9"
    & skf18("10","5","1","10","6","8","1") = "9"
    & skf18("10","5","1","10","6","9","1") = "9"
    & skf18("10","5","1","10","6","10","1") = "9"
    & skf18("10","5","1","10","7","1","1") = "9"
    & skf18("10","5","1","10","7","2","1") = "9"
    & skf18("10","5","1","10","7","3","1") = "9"
    & skf18("10","5","1","10","7","4","1") = "9"
    & skf18("10","5","1","10","7","5","1") = "9"
    & skf18("10","5","1","10","7","6","1") = "9"
    & skf18("10","5","1","10","7","7","1") = "9"
    & skf18("10","5","1","10","7","8","1") = "9"
    & skf18("10","5","1","10","7","9","1") = "9"
    & skf18("10","5","1","10","7","10","1") = "9"
    & skf18("10","5","1","10","8","1","1") = "9"
    & skf18("10","5","1","10","8","2","1") = "9"
    & skf18("10","5","1","10","8","3","1") = "9"
    & skf18("10","5","1","10","8","4","1") = "9"
    & skf18("10","5","1","10","8","5","1") = "9"
    & skf18("10","5","1","10","8","6","1") = "9"
    & skf18("10","5","1","10","8","7","1") = "9"
    & skf18("10","5","1","10","8","8","1") = "9"
    & skf18("10","5","1","10","8","9","1") = "9"
    & skf18("10","5","1","10","8","10","1") = "9"
    & skf18("10","5","1","10","9","1","1") = "9"
    & skf18("10","5","1","10","9","2","1") = "9"
    & skf18("10","5","1","10","9","3","1") = "9"
    & skf18("10","5","1","10","9","4","1") = "9"
    & skf18("10","5","1","10","9","5","1") = "9"
    & skf18("10","5","1","10","9","6","1") = "9"
    & skf18("10","5","1","10","9","7","1") = "9"
    & skf18("10","5","1","10","9","8","1") = "9"
    & skf18("10","5","1","10","9","9","1") = "9"
    & skf18("10","5","1","10","9","10","1") = "9"
    & skf18("10","5","1","10","10","1","1") = "9"
    & skf18("10","5","1","10","10","2","1") = "9"
    & skf18("10","5","1","10","10","3","1") = "9"
    & skf18("10","5","1","10","10","4","1") = "9"
    & skf18("10","5","1","10","10","5","1") = "9"
    & skf18("10","5","1","10","10","6","1") = "9"
    & skf18("10","5","1","10","10","7","1") = "9"
    & skf18("10","5","1","10","10","8","1") = "9"
    & skf18("10","5","1","10","10","9","1") = "9"
    & skf18("10","5","1","10","10","10","1") = "9"
    & skf18("10","5","2","1","1","1","1") = "9"
    & skf18("10","5","2","1","1","2","1") = "9"
    & skf18("10","5","2","1","1","3","1") = "9"
    & skf18("10","5","2","1","1","4","1") = "9"
    & skf18("10","5","2","1","1","5","1") = "9"
    & skf18("10","5","2","1","1","6","1") = "9"
    & skf18("10","5","2","1","1","7","1") = "9"
    & skf18("10","5","2","1","1","8","1") = "9"
    & skf18("10","5","2","1","1","9","1") = "9"
    & skf18("10","5","2","1","1","10","1") = "9"
    & skf18("10","5","2","1","2","1","1") = "9"
    & skf18("10","5","2","1","2","2","1") = "9"
    & skf18("10","5","2","1","2","3","1") = "9"
    & skf18("10","5","2","1","2","4","1") = "9"
    & skf18("10","5","2","1","2","5","1") = "9"
    & skf18("10","5","2","1","2","6","1") = "9"
    & skf18("10","5","2","1","2","7","1") = "9"
    & skf18("10","5","2","1","2","8","1") = "9"
    & skf18("10","5","2","1","2","9","1") = "9"
    & skf18("10","5","2","1","2","10","1") = "9"
    & skf18("10","5","2","1","3","1","1") = "9"
    & skf18("10","5","2","1","3","2","1") = "9"
    & skf18("10","5","2","1","3","3","1") = "9"
    & skf18("10","5","2","1","3","4","1") = "9"
    & skf18("10","5","2","1","3","5","1") = "9"
    & skf18("10","5","2","1","3","6","1") = "9"
    & skf18("10","5","2","1","3","7","1") = "9"
    & skf18("10","5","2","1","3","8","1") = "9"
    & skf18("10","5","2","1","3","9","1") = "9"
    & skf18("10","5","2","1","3","10","1") = "9"
    & skf18("10","5","2","1","4","1","1") = "9"
    & skf18("10","5","2","1","4","2","1") = "9"
    & skf18("10","5","2","1","4","3","1") = "9"
    & skf18("10","5","2","1","4","4","1") = "9"
    & skf18("10","5","2","1","4","5","1") = "9"
    & skf18("10","5","2","1","4","6","1") = "9"
    & skf18("10","5","2","1","4","7","1") = "9"
    & skf18("10","5","2","1","4","8","1") = "9"
    & skf18("10","5","2","1","4","9","1") = "9"
    & skf18("10","5","2","1","4","10","1") = "9"
    & skf18("10","5","2","1","5","1","1") = "9"
    & skf18("10","5","2","1","5","2","1") = "9"
    & skf18("10","5","2","1","5","3","1") = "9"
    & skf18("10","5","2","1","5","4","1") = "9"
    & skf18("10","5","2","1","5","5","1") = "9"
    & skf18("10","5","2","1","5","6","1") = "9"
    & skf18("10","5","2","1","5","7","1") = "9"
    & skf18("10","5","2","1","5","8","1") = "9"
    & skf18("10","5","2","1","5","9","1") = "9"
    & skf18("10","5","2","1","5","10","1") = "9"
    & skf18("10","5","2","1","6","1","1") = "9"
    & skf18("10","5","2","1","6","2","1") = "9"
    & skf18("10","5","2","1","6","3","1") = "9"
    & skf18("10","5","2","1","6","4","1") = "9"
    & skf18("10","5","2","1","6","5","1") = "9"
    & skf18("10","5","2","1","6","6","1") = "9"
    & skf18("10","5","2","1","6","7","1") = "9"
    & skf18("10","5","2","1","6","8","1") = "9"
    & skf18("10","5","2","1","6","9","1") = "9"
    & skf18("10","5","2","1","6","10","1") = "9"
    & skf18("10","5","2","1","7","1","1") = "9"
    & skf18("10","5","2","1","7","2","1") = "9"
    & skf18("10","5","2","1","7","3","1") = "9"
    & skf18("10","5","2","1","7","4","1") = "9"
    & skf18("10","5","2","1","7","5","1") = "9"
    & skf18("10","5","2","1","7","6","1") = "9"
    & skf18("10","5","2","1","7","7","1") = "9"
    & skf18("10","5","2","1","7","8","1") = "9"
    & skf18("10","5","2","1","7","9","1") = "9"
    & skf18("10","5","2","1","7","10","1") = "9"
    & skf18("10","5","2","1","8","1","1") = "9"
    & skf18("10","5","2","1","8","2","1") = "9"
    & skf18("10","5","2","1","8","3","1") = "9"
    & skf18("10","5","2","1","8","4","1") = "9"
    & skf18("10","5","2","1","8","5","1") = "9"
    & skf18("10","5","2","1","8","6","1") = "9"
    & skf18("10","5","2","1","8","7","1") = "9"
    & skf18("10","5","2","1","8","8","1") = "9"
    & skf18("10","5","2","1","8","9","1") = "9"
    & skf18("10","5","2","1","8","10","1") = "9"
    & skf18("10","5","2","1","9","1","1") = "9"
    & skf18("10","5","2","1","9","2","1") = "9"
    & skf18("10","5","2","1","9","3","1") = "9"
    & skf18("10","5","2","1","9","4","1") = "9"
    & skf18("10","5","2","1","9","5","1") = "9"
    & skf18("10","5","2","1","9","6","1") = "9"
    & skf18("10","5","2","1","9","7","1") = "9"
    & skf18("10","5","2","1","9","8","1") = "9"
    & skf18("10","5","2","1","9","9","1") = "9"
    & skf18("10","5","2","1","9","10","1") = "9"
    & skf18("10","5","2","1","10","1","1") = "9"
    & skf18("10","5","2","1","10","2","1") = "9"
    & skf18("10","5","2","1","10","3","1") = "9"
    & skf18("10","5","2","1","10","4","1") = "9"
    & skf18("10","5","2","1","10","5","1") = "9"
    & skf18("10","5","2","1","10","6","1") = "9"
    & skf18("10","5","2","1","10","7","1") = "9"
    & skf18("10","5","2","1","10","8","1") = "9"
    & skf18("10","5","2","1","10","9","1") = "9"
    & skf18("10","5","2","1","10","10","1") = "9"
    & skf18("10","5","2","2","1","1","1") = "9"
    & skf18("10","5","2","2","1","2","1") = "9"
    & skf18("10","5","2","2","1","3","1") = "9"
    & skf18("10","5","2","2","1","4","1") = "9"
    & skf18("10","5","2","2","1","5","1") = "9"
    & skf18("10","5","2","2","1","6","1") = "9"
    & skf18("10","5","2","2","1","7","1") = "9"
    & skf18("10","5","2","2","1","8","1") = "9"
    & skf18("10","5","2","2","1","9","1") = "9"
    & skf18("10","5","2","2","1","10","1") = "9"
    & skf18("10","5","2","2","2","1","1") = "9"
    & skf18("10","5","2","2","2","2","1") = "9"
    & skf18("10","5","2","2","2","3","1") = "9"
    & skf18("10","5","2","2","2","4","1") = "9"
    & skf18("10","5","2","2","2","5","1") = "9"
    & skf18("10","5","2","2","2","6","1") = "9"
    & skf18("10","5","2","2","2","7","1") = "9"
    & skf18("10","5","2","2","2","8","1") = "9"
    & skf18("10","5","2","2","2","9","1") = "9"
    & skf18("10","5","2","2","2","10","1") = "9"
    & skf18("10","5","2","2","3","1","1") = "9"
    & skf18("10","5","2","2","3","2","1") = "9"
    & skf18("10","5","2","2","3","3","1") = "9"
    & skf18("10","5","2","2","3","4","1") = "9"
    & skf18("10","5","2","2","3","5","1") = "9"
    & skf18("10","5","2","2","3","6","1") = "9"
    & skf18("10","5","2","2","3","7","1") = "9"
    & skf18("10","5","2","2","3","8","1") = "9"
    & skf18("10","5","2","2","3","9","1") = "9"
    & skf18("10","5","2","2","3","10","1") = "9"
    & skf18("10","5","2","2","4","1","1") = "9"
    & skf18("10","5","2","2","4","2","1") = "9"
    & skf18("10","5","2","2","4","3","1") = "9"
    & skf18("10","5","2","2","4","4","1") = "9"
    & skf18("10","5","2","2","4","5","1") = "9"
    & skf18("10","5","2","2","4","6","1") = "9"
    & skf18("10","5","2","2","4","7","1") = "9"
    & skf18("10","5","2","2","4","8","1") = "9"
    & skf18("10","5","2","2","4","9","1") = "9"
    & skf18("10","5","2","2","4","10","1") = "9"
    & skf18("10","5","2","2","5","1","1") = "9"
    & skf18("10","5","2","2","5","2","1") = "9"
    & skf18("10","5","2","2","5","3","1") = "9"
    & skf18("10","5","2","2","5","4","1") = "9"
    & skf18("10","5","2","2","5","5","1") = "9"
    & skf18("10","5","2","2","5","6","1") = "9"
    & skf18("10","5","2","2","5","7","1") = "9"
    & skf18("10","5","2","2","5","8","1") = "9"
    & skf18("10","5","2","2","5","9","1") = "9"
    & skf18("10","5","2","2","5","10","1") = "9"
    & skf18("10","5","2","2","6","1","1") = "9"
    & skf18("10","5","2","2","6","2","1") = "9"
    & skf18("10","5","2","2","6","3","1") = "9"
    & skf18("10","5","2","2","6","4","1") = "9"
    & skf18("10","5","2","2","6","5","1") = "9"
    & skf18("10","5","2","2","6","6","1") = "9"
    & skf18("10","5","2","2","6","7","1") = "9"
    & skf18("10","5","2","2","6","8","1") = "9"
    & skf18("10","5","2","2","6","9","1") = "9"
    & skf18("10","5","2","2","6","10","1") = "9"
    & skf18("10","5","2","2","7","1","1") = "9"
    & skf18("10","5","2","2","7","2","1") = "9"
    & skf18("10","5","2","2","7","3","1") = "9"
    & skf18("10","5","2","2","7","4","1") = "9"
    & skf18("10","5","2","2","7","5","1") = "9"
    & skf18("10","5","2","2","7","6","1") = "9"
    & skf18("10","5","2","2","7","7","1") = "9"
    & skf18("10","5","2","2","7","8","1") = "9"
    & skf18("10","5","2","2","7","9","1") = "9"
    & skf18("10","5","2","2","7","10","1") = "9"
    & skf18("10","5","2","2","8","1","1") = "9"
    & skf18("10","5","2","2","8","2","1") = "9"
    & skf18("10","5","2","2","8","3","1") = "9"
    & skf18("10","5","2","2","8","4","1") = "9"
    & skf18("10","5","2","2","8","5","1") = "9"
    & skf18("10","5","2","2","8","6","1") = "9"
    & skf18("10","5","2","2","8","7","1") = "9"
    & skf18("10","5","2","2","8","8","1") = "9"
    & skf18("10","5","2","2","8","9","1") = "9"
    & skf18("10","5","2","2","8","10","1") = "9"
    & skf18("10","5","2","2","9","1","1") = "9"
    & skf18("10","5","2","2","9","2","1") = "9"
    & skf18("10","5","2","2","9","3","1") = "9"
    & skf18("10","5","2","2","9","4","1") = "9"
    & skf18("10","5","2","2","9","5","1") = "9"
    & skf18("10","5","2","2","9","6","1") = "9"
    & skf18("10","5","2","2","9","7","1") = "9"
    & skf18("10","5","2","2","9","8","1") = "9"
    & skf18("10","5","2","2","9","9","1") = "9"
    & skf18("10","5","2","2","9","10","1") = "9"
    & skf18("10","5","2","2","10","1","1") = "9"
    & skf18("10","5","2","2","10","2","1") = "9"
    & skf18("10","5","2","2","10","3","1") = "9"
    & skf18("10","5","2","2","10","4","1") = "9"
    & skf18("10","5","2","2","10","5","1") = "9"
    & skf18("10","5","2","2","10","6","1") = "9"
    & skf18("10","5","2","2","10","7","1") = "9"
    & skf18("10","5","2","2","10","8","1") = "9"
    & skf18("10","5","2","2","10","9","1") = "9"
    & skf18("10","5","2","2","10","10","1") = "9"
    & skf18("10","5","2","3","1","1","1") = "9"
    & skf18("10","5","2","3","1","2","1") = "9"
    & skf18("10","5","2","3","1","3","1") = "9"
    & skf18("10","5","2","3","1","4","1") = "9"
    & skf18("10","5","2","3","1","5","1") = "9"
    & skf18("10","5","2","3","1","6","1") = "9"
    & skf18("10","5","2","3","1","7","1") = "9"
    & skf18("10","5","2","3","1","8","1") = "9"
    & skf18("10","5","2","3","1","9","1") = "9"
    & skf18("10","5","2","3","1","10","1") = "9"
    & skf18("10","5","2","3","2","1","1") = "9"
    & skf18("10","5","2","3","2","2","1") = "9"
    & skf18("10","5","2","3","2","3","1") = "9"
    & skf18("10","5","2","3","2","4","1") = "9"
    & skf18("10","5","2","3","2","5","1") = "9"
    & skf18("10","5","2","3","2","6","1") = "9"
    & skf18("10","5","2","3","2","7","1") = "9"
    & skf18("10","5","2","3","2","8","1") = "9"
    & skf18("10","5","2","3","2","9","1") = "9"
    & skf18("10","5","2","3","2","10","1") = "9"
    & skf18("10","5","2","3","3","1","1") = "9"
    & skf18("10","5","2","3","3","2","1") = "9"
    & skf18("10","5","2","3","3","3","1") = "9"
    & skf18("10","5","2","3","3","4","1") = "9"
    & skf18("10","5","2","3","3","5","1") = "9"
    & skf18("10","5","2","3","3","6","1") = "9"
    & skf18("10","5","2","3","3","7","1") = "9"
    & skf18("10","5","2","3","3","8","1") = "9"
    & skf18("10","5","2","3","3","9","1") = "9"
    & skf18("10","5","2","3","3","10","1") = "9"
    & skf18("10","5","2","3","4","1","1") = "9"
    & skf18("10","5","2","3","4","2","1") = "9"
    & skf18("10","5","2","3","4","3","1") = "9"
    & skf18("10","5","2","3","4","4","1") = "9"
    & skf18("10","5","2","3","4","5","1") = "9"
    & skf18("10","5","2","3","4","6","1") = "9"
    & skf18("10","5","2","3","4","7","1") = "9"
    & skf18("10","5","2","3","4","8","1") = "9"
    & skf18("10","5","2","3","4","9","1") = "9"
    & skf18("10","5","2","3","4","10","1") = "9"
    & skf18("10","5","2","3","5","1","1") = "9"
    & skf18("10","5","2","3","5","2","1") = "9"
    & skf18("10","5","2","3","5","3","1") = "9"
    & skf18("10","5","2","3","5","4","1") = "9"
    & skf18("10","5","2","3","5","5","1") = "9"
    & skf18("10","5","2","3","5","6","1") = "9"
    & skf18("10","5","2","3","5","7","1") = "9"
    & skf18("10","5","2","3","5","8","1") = "9"
    & skf18("10","5","2","3","5","9","1") = "9"
    & skf18("10","5","2","3","5","10","1") = "9"
    & skf18("10","5","2","3","6","1","1") = "9"
    & skf18("10","5","2","3","6","2","1") = "9"
    & skf18("10","5","2","3","6","3","1") = "9"
    & skf18("10","5","2","3","6","4","1") = "9"
    & skf18("10","5","2","3","6","5","1") = "9"
    & skf18("10","5","2","3","6","6","1") = "9"
    & skf18("10","5","2","3","6","7","1") = "9"
    & skf18("10","5","2","3","6","8","1") = "9"
    & skf18("10","5","2","3","6","9","1") = "9"
    & skf18("10","5","2","3","6","10","1") = "9"
    & skf18("10","5","2","3","7","1","1") = "9"
    & skf18("10","5","2","3","7","2","1") = "9"
    & skf18("10","5","2","3","7","3","1") = "9"
    & skf18("10","5","2","3","7","4","1") = "9"
    & skf18("10","5","2","3","7","5","1") = "9"
    & skf18("10","5","2","3","7","6","1") = "9"
    & skf18("10","5","2","3","7","7","1") = "9"
    & skf18("10","5","2","3","7","8","1") = "9"
    & skf18("10","5","2","3","7","9","1") = "9"
    & skf18("10","5","2","3","7","10","1") = "9"
    & skf18("10","5","2","3","8","1","1") = "9"
    & skf18("10","5","2","3","8","2","1") = "9"
    & skf18("10","5","2","3","8","3","1") = "9"
    & skf18("10","5","2","3","8","4","1") = "9"
    & skf18("10","5","2","3","8","5","1") = "9"
    & skf18("10","5","2","3","8","6","1") = "9"
    & skf18("10","5","2","3","8","7","1") = "9"
    & skf18("10","5","2","3","8","8","1") = "9"
    & skf18("10","5","2","3","8","9","1") = "9"
    & skf18("10","5","2","3","8","10","1") = "9"
    & skf18("10","5","2","3","9","1","1") = "9"
    & skf18("10","5","2","3","9","2","1") = "9"
    & skf18("10","5","2","3","9","3","1") = "9"
    & skf18("10","5","2","3","9","4","1") = "9"
    & skf18("10","5","2","3","9","5","1") = "9"
    & skf18("10","5","2","3","9","6","1") = "9"
    & skf18("10","5","2","3","9","7","1") = "9"
    & skf18("10","5","2","3","9","8","1") = "9"
    & skf18("10","5","2","3","9","9","1") = "9"
    & skf18("10","5","2","3","9","10","1") = "9"
    & skf18("10","5","2","3","10","1","1") = "9"
    & skf18("10","5","2","3","10","2","1") = "9"
    & skf18("10","5","2","3","10","3","1") = "9"
    & skf18("10","5","2","3","10","4","1") = "9"
    & skf18("10","5","2","3","10","5","1") = "9"
    & skf18("10","5","2","3","10","6","1") = "9"
    & skf18("10","5","2","3","10","7","1") = "9"
    & skf18("10","5","2","3","10","8","1") = "9"
    & skf18("10","5","2","3","10","9","1") = "9"
    & skf18("10","5","2","3","10","10","1") = "9"
    & skf18("10","5","2","4","1","1","1") = "9"
    & skf18("10","5","2","4","1","2","1") = "9"
    & skf18("10","5","2","4","1","3","1") = "9"
    & skf18("10","5","2","4","1","4","1") = "9"
    & skf18("10","5","2","4","1","5","1") = "9"
    & skf18("10","5","2","4","1","6","1") = "9"
    & skf18("10","5","2","4","1","7","1") = "9"
    & skf18("10","5","2","4","1","8","1") = "9"
    & skf18("10","5","2","4","1","9","1") = "9"
    & skf18("10","5","2","4","1","10","1") = "9"
    & skf18("10","5","2","4","2","1","1") = "9"
    & skf18("10","5","2","4","2","2","1") = "9"
    & skf18("10","5","2","4","2","3","1") = "9"
    & skf18("10","5","2","4","2","4","1") = "9"
    & skf18("10","5","2","4","2","5","1") = "9"
    & skf18("10","5","2","4","2","6","1") = "9"
    & skf18("10","5","2","4","2","7","1") = "9"
    & skf18("10","5","2","4","2","8","1") = "9"
    & skf18("10","5","2","4","2","9","1") = "9"
    & skf18("10","5","2","4","2","10","1") = "9"
    & skf18("10","5","2","4","3","1","1") = "9"
    & skf18("10","5","2","4","3","2","1") = "9"
    & skf18("10","5","2","4","3","3","1") = "9"
    & skf18("10","5","2","4","3","4","1") = "9"
    & skf18("10","5","2","4","3","5","1") = "9"
    & skf18("10","5","2","4","3","6","1") = "9"
    & skf18("10","5","2","4","3","7","1") = "9"
    & skf18("10","5","2","4","3","8","1") = "9"
    & skf18("10","5","2","4","3","9","1") = "9"
    & skf18("10","5","2","4","3","10","1") = "9"
    & skf18("10","5","2","4","4","1","1") = "9"
    & skf18("10","5","2","4","4","2","1") = "9"
    & skf18("10","5","2","4","4","3","1") = "9"
    & skf18("10","5","2","4","4","4","1") = "9"
    & skf18("10","5","2","4","4","5","1") = "9"
    & skf18("10","5","2","4","4","6","1") = "9"
    & skf18("10","5","2","4","4","7","1") = "9"
    & skf18("10","5","2","4","4","8","1") = "9"
    & skf18("10","5","2","4","4","9","1") = "9"
    & skf18("10","5","2","4","4","10","1") = "9"
    & skf18("10","5","2","4","5","1","1") = "9"
    & skf18("10","5","2","4","5","2","1") = "9"
    & skf18("10","5","2","4","5","3","1") = "9"
    & skf18("10","5","2","4","5","4","1") = "9"
    & skf18("10","5","2","4","5","5","1") = "9"
    & skf18("10","5","2","4","5","6","1") = "9"
    & skf18("10","5","2","4","5","7","1") = "9"
    & skf18("10","5","2","4","5","8","1") = "9"
    & skf18("10","5","2","4","5","9","1") = "9"
    & skf18("10","5","2","4","5","10","1") = "9"
    & skf18("10","5","2","4","6","1","1") = "9"
    & skf18("10","5","2","4","6","2","1") = "9"
    & skf18("10","5","2","4","6","3","1") = "9"
    & skf18("10","5","2","4","6","4","1") = "9"
    & skf18("10","5","2","4","6","5","1") = "9"
    & skf18("10","5","2","4","6","6","1") = "9"
    & skf18("10","5","2","4","6","7","1") = "9"
    & skf18("10","5","2","4","6","8","1") = "9"
    & skf18("10","5","2","4","6","9","1") = "9"
    & skf18("10","5","2","4","6","10","1") = "9"
    & skf18("10","5","2","4","7","1","1") = "9"
    & skf18("10","5","2","4","7","2","1") = "9"
    & skf18("10","5","2","4","7","3","1") = "9"
    & skf18("10","5","2","4","7","4","1") = "9"
    & skf18("10","5","2","4","7","5","1") = "9"
    & skf18("10","5","2","4","7","6","1") = "9"
    & skf18("10","5","2","4","7","7","1") = "9"
    & skf18("10","5","2","4","7","8","1") = "9"
    & skf18("10","5","2","4","7","9","1") = "9"
    & skf18("10","5","2","4","7","10","1") = "9"
    & skf18("10","5","2","4","8","1","1") = "9"
    & skf18("10","5","2","4","8","2","1") = "9"
    & skf18("10","5","2","4","8","3","1") = "9"
    & skf18("10","5","2","4","8","4","1") = "9"
    & skf18("10","5","2","4","8","5","1") = "9"
    & skf18("10","5","2","4","8","6","1") = "9"
    & skf18("10","5","2","4","8","7","1") = "9"
    & skf18("10","5","2","4","8","8","1") = "9"
    & skf18("10","5","2","4","8","9","1") = "9"
    & skf18("10","5","2","4","8","10","1") = "9"
    & skf18("10","5","2","4","9","1","1") = "9"
    & skf18("10","5","2","4","9","2","1") = "9"
    & skf18("10","5","2","4","9","3","1") = "9"
    & skf18("10","5","2","4","9","4","1") = "9"
    & skf18("10","5","2","4","9","5","1") = "9"
    & skf18("10","5","2","4","9","6","1") = "9"
    & skf18("10","5","2","4","9","7","1") = "9"
    & skf18("10","5","2","4","9","8","1") = "9"
    & skf18("10","5","2","4","9","9","1") = "9"
    & skf18("10","5","2","4","9","10","1") = "9"
    & skf18("10","5","2","4","10","1","1") = "9"
    & skf18("10","5","2","4","10","2","1") = "9"
    & skf18("10","5","2","4","10","3","1") = "9"
    & skf18("10","5","2","4","10","4","1") = "9"
    & skf18("10","5","2","4","10","5","1") = "9"
    & skf18("10","5","2","4","10","6","1") = "9"
    & skf18("10","5","2","4","10","7","1") = "9"
    & skf18("10","5","2","4","10","8","1") = "9"
    & skf18("10","5","2","4","10","9","1") = "9"
    & skf18("10","5","2","4","10","10","1") = "9"
    & skf18("10","5","2","5","1","1","1") = "9"
    & skf18("10","5","2","5","1","2","1") = "9"
    & skf18("10","5","2","5","1","3","1") = "9"
    & skf18("10","5","2","5","1","4","1") = "9"
    & skf18("10","5","2","5","1","5","1") = "9"
    & skf18("10","5","2","5","1","6","1") = "9"
    & skf18("10","5","2","5","1","7","1") = "9"
    & skf18("10","5","2","5","1","8","1") = "9"
    & skf18("10","5","2","5","1","9","1") = "9"
    & skf18("10","5","2","5","1","10","1") = "9"
    & skf18("10","5","2","5","2","1","1") = "9"
    & skf18("10","5","2","5","2","2","1") = "9"
    & skf18("10","5","2","5","2","3","1") = "9"
    & skf18("10","5","2","5","2","4","1") = "9"
    & skf18("10","5","2","5","2","5","1") = "9"
    & skf18("10","5","2","5","2","6","1") = "9"
    & skf18("10","5","2","5","2","7","1") = "9"
    & skf18("10","5","2","5","2","8","1") = "9"
    & skf18("10","5","2","5","2","9","1") = "9"
    & skf18("10","5","2","5","2","10","1") = "9"
    & skf18("10","5","2","5","3","1","1") = "9"
    & skf18("10","5","2","5","3","2","1") = "9"
    & skf18("10","5","2","5","3","3","1") = "9"
    & skf18("10","5","2","5","3","4","1") = "9"
    & skf18("10","5","2","5","3","5","1") = "9"
    & skf18("10","5","2","5","3","6","1") = "9"
    & skf18("10","5","2","5","3","7","1") = "9"
    & skf18("10","5","2","5","3","8","1") = "9"
    & skf18("10","5","2","5","3","9","1") = "9"
    & skf18("10","5","2","5","3","10","1") = "9"
    & skf18("10","5","2","5","4","1","1") = "9"
    & skf18("10","5","2","5","4","2","1") = "9"
    & skf18("10","5","2","5","4","3","1") = "9"
    & skf18("10","5","2","5","4","4","1") = "9"
    & skf18("10","5","2","5","4","5","1") = "9"
    & skf18("10","5","2","5","4","6","1") = "9"
    & skf18("10","5","2","5","4","7","1") = "9"
    & skf18("10","5","2","5","4","8","1") = "9"
    & skf18("10","5","2","5","4","9","1") = "9"
    & skf18("10","5","2","5","4","10","1") = "9"
    & skf18("10","5","2","5","5","1","1") = "9"
    & skf18("10","5","2","5","5","2","1") = "9"
    & skf18("10","5","2","5","5","3","1") = "9"
    & skf18("10","5","2","5","5","4","1") = "9"
    & skf18("10","5","2","5","5","5","1") = "9"
    & skf18("10","5","2","5","5","6","1") = "9"
    & skf18("10","5","2","5","5","7","1") = "9"
    & skf18("10","5","2","5","5","8","1") = "9"
    & skf18("10","5","2","5","5","9","1") = "9"
    & skf18("10","5","2","5","5","10","1") = "9"
    & skf18("10","5","2","5","6","1","1") = "9"
    & skf18("10","5","2","5","6","2","1") = "9"
    & skf18("10","5","2","5","6","3","1") = "9"
    & skf18("10","5","2","5","6","4","1") = "9"
    & skf18("10","5","2","5","6","5","1") = "9"
    & skf18("10","5","2","5","6","6","1") = "9"
    & skf18("10","5","2","5","6","7","1") = "9"
    & skf18("10","5","2","5","6","8","1") = "9"
    & skf18("10","5","2","5","6","9","1") = "9"
    & skf18("10","5","2","5","6","10","1") = "9"
    & skf18("10","5","2","5","7","1","1") = "9"
    & skf18("10","5","2","5","7","2","1") = "9"
    & skf18("10","5","2","5","7","3","1") = "9"
    & skf18("10","5","2","5","7","4","1") = "9"
    & skf18("10","5","2","5","7","5","1") = "9"
    & skf18("10","5","2","5","7","6","1") = "9"
    & skf18("10","5","2","5","7","7","1") = "9"
    & skf18("10","5","2","5","7","8","1") = "9"
    & skf18("10","5","2","5","7","9","1") = "9"
    & skf18("10","5","2","5","7","10","1") = "9"
    & skf18("10","5","2","5","8","1","1") = "9"
    & skf18("10","5","2","5","8","2","1") = "9"
    & skf18("10","5","2","5","8","3","1") = "9"
    & skf18("10","5","2","5","8","4","1") = "9"
    & skf18("10","5","2","5","8","5","1") = "9"
    & skf18("10","5","2","5","8","6","1") = "9"
    & skf18("10","5","2","5","8","7","1") = "9"
    & skf18("10","5","2","5","8","8","1") = "9"
    & skf18("10","5","2","5","8","9","1") = "9"
    & skf18("10","5","2","5","8","10","1") = "9"
    & skf18("10","5","2","5","9","1","1") = "9"
    & skf18("10","5","2","5","9","2","1") = "9"
    & skf18("10","5","2","5","9","3","1") = "9"
    & skf18("10","5","2","5","9","4","1") = "9"
    & skf18("10","5","2","5","9","5","1") = "9"
    & skf18("10","5","2","5","9","6","1") = "9"
    & skf18("10","5","2","5","9","7","1") = "9"
    & skf18("10","5","2","5","9","8","1") = "9"
    & skf18("10","5","2","5","9","9","1") = "9"
    & skf18("10","5","2","5","9","10","1") = "9"
    & skf18("10","5","2","5","10","1","1") = "9"
    & skf18("10","5","2","5","10","2","1") = "9"
    & skf18("10","5","2","5","10","3","1") = "9"
    & skf18("10","5","2","5","10","4","1") = "9"
    & skf18("10","5","2","5","10","5","1") = "9"
    & skf18("10","5","2","5","10","6","1") = "9"
    & skf18("10","5","2","5","10","7","1") = "9"
    & skf18("10","5","2","5","10","8","1") = "9"
    & skf18("10","5","2","5","10","9","1") = "9"
    & skf18("10","5","2","5","10","10","1") = "9"
    & skf18("10","5","2","6","1","1","1") = "9"
    & skf18("10","5","2","6","1","2","1") = "9"
    & skf18("10","5","2","6","1","3","1") = "9"
    & skf18("10","5","2","6","1","4","1") = "9"
    & skf18("10","5","2","6","1","5","1") = "9"
    & skf18("10","5","2","6","1","6","1") = "9"
    & skf18("10","5","2","6","1","7","1") = "9"
    & skf18("10","5","2","6","1","8","1") = "9"
    & skf18("10","5","2","6","1","9","1") = "9"
    & skf18("10","5","2","6","1","10","1") = "9"
    & skf18("10","5","2","6","2","1","1") = "9"
    & skf18("10","5","2","6","2","2","1") = "9"
    & skf18("10","5","2","6","2","3","1") = "9"
    & skf18("10","5","2","6","2","4","1") = "9"
    & skf18("10","5","2","6","2","5","1") = "9"
    & skf18("10","5","2","6","2","6","1") = "9"
    & skf18("10","5","2","6","2","7","1") = "9"
    & skf18("10","5","2","6","2","8","1") = "9"
    & skf18("10","5","2","6","2","9","1") = "9"
    & skf18("10","5","2","6","2","10","1") = "9"
    & skf18("10","5","2","6","3","1","1") = "9"
    & skf18("10","5","2","6","3","2","1") = "9"
    & skf18("10","5","2","6","3","3","1") = "9"
    & skf18("10","5","2","6","3","4","1") = "9"
    & skf18("10","5","2","6","3","5","1") = "9"
    & skf18("10","5","2","6","3","6","1") = "9"
    & skf18("10","5","2","6","3","7","1") = "9"
    & skf18("10","5","2","6","3","8","1") = "9"
    & skf18("10","5","2","6","3","9","1") = "9"
    & skf18("10","5","2","6","3","10","1") = "9"
    & skf18("10","5","2","6","4","1","1") = "9"
    & skf18("10","5","2","6","4","2","1") = "9"
    & skf18("10","5","2","6","4","3","1") = "9"
    & skf18("10","5","2","6","4","4","1") = "9"
    & skf18("10","5","2","6","4","5","1") = "9"
    & skf18("10","5","2","6","4","6","1") = "9"
    & skf18("10","5","2","6","4","7","1") = "9"
    & skf18("10","5","2","6","4","8","1") = "9"
    & skf18("10","5","2","6","4","9","1") = "9"
    & skf18("10","5","2","6","4","10","1") = "9"
    & skf18("10","5","2","6","5","1","1") = "9"
    & skf18("10","5","2","6","5","2","1") = "9"
    & skf18("10","5","2","6","5","3","1") = "9"
    & skf18("10","5","2","6","5","4","1") = "9"
    & skf18("10","5","2","6","5","5","1") = "9"
    & skf18("10","5","2","6","5","6","1") = "9"
    & skf18("10","5","2","6","5","7","1") = "9"
    & skf18("10","5","2","6","5","8","1") = "9"
    & skf18("10","5","2","6","5","9","1") = "9"
    & skf18("10","5","2","6","5","10","1") = "9"
    & skf18("10","5","2","6","6","1","1") = "9"
    & skf18("10","5","2","6","6","2","1") = "9"
    & skf18("10","5","2","6","6","3","1") = "9"
    & skf18("10","5","2","6","6","4","1") = "9"
    & skf18("10","5","2","6","6","5","1") = "9"
    & skf18("10","5","2","6","6","6","1") = "9"
    & skf18("10","5","2","6","6","7","1") = "9"
    & skf18("10","5","2","6","6","8","1") = "9"
    & skf18("10","5","2","6","6","9","1") = "9"
    & skf18("10","5","2","6","6","10","1") = "9"
    & skf18("10","5","2","6","7","1","1") = "9"
    & skf18("10","5","2","6","7","2","1") = "9"
    & skf18("10","5","2","6","7","3","1") = "9"
    & skf18("10","5","2","6","7","4","1") = "9"
    & skf18("10","5","2","6","7","5","1") = "9"
    & skf18("10","5","2","6","7","6","1") = "9"
    & skf18("10","5","2","6","7","7","1") = "9"
    & skf18("10","5","2","6","7","8","1") = "9"
    & skf18("10","5","2","6","7","9","1") = "9"
    & skf18("10","5","2","6","7","10","1") = "9"
    & skf18("10","5","2","6","8","1","1") = "9"
    & skf18("10","5","2","6","8","2","1") = "9"
    & skf18("10","5","2","6","8","3","1") = "9"
    & skf18("10","5","2","6","8","4","1") = "9"
    & skf18("10","5","2","6","8","5","1") = "9"
    & skf18("10","5","2","6","8","6","1") = "9"
    & skf18("10","5","2","6","8","7","1") = "9"
    & skf18("10","5","2","6","8","8","1") = "9"
    & skf18("10","5","2","6","8","9","1") = "9"
    & skf18("10","5","2","6","8","10","1") = "9"
    & skf18("10","5","2","6","9","1","1") = "9"
    & skf18("10","5","2","6","9","2","1") = "9"
    & skf18("10","5","2","6","9","3","1") = "9"
    & skf18("10","5","2","6","9","4","1") = "9"
    & skf18("10","5","2","6","9","5","1") = "9"
    & skf18("10","5","2","6","9","6","1") = "9"
    & skf18("10","5","2","6","9","7","1") = "9"
    & skf18("10","5","2","6","9","8","1") = "9"
    & skf18("10","5","2","6","9","9","1") = "9"
    & skf18("10","5","2","6","9","10","1") = "9"
    & skf18("10","5","2","6","10","1","1") = "9"
    & skf18("10","5","2","6","10","2","1") = "9"
    & skf18("10","5","2","6","10","3","1") = "9"
    & skf18("10","5","2","6","10","4","1") = "9"
    & skf18("10","5","2","6","10","5","1") = "9"
    & skf18("10","5","2","6","10","6","1") = "9"
    & skf18("10","5","2","6","10","7","1") = "9"
    & skf18("10","5","2","6","10","8","1") = "9"
    & skf18("10","5","2","6","10","9","1") = "9"
    & skf18("10","5","2","6","10","10","1") = "9"
    & skf18("10","5","2","7","1","1","1") = "9"
    & skf18("10","5","2","7","1","2","1") = "9"
    & skf18("10","5","2","7","1","3","1") = "9"
    & skf18("10","5","2","7","1","4","1") = "9"
    & skf18("10","5","2","7","1","5","1") = "9"
    & skf18("10","5","2","7","1","6","1") = "9"
    & skf18("10","5","2","7","1","7","1") = "9"
    & skf18("10","5","2","7","1","8","1") = "9"
    & skf18("10","5","2","7","1","9","1") = "9"
    & skf18("10","5","2","7","1","10","1") = "9"
    & skf18("10","5","2","7","2","1","1") = "9"
    & skf18("10","5","2","7","2","2","1") = "9"
    & skf18("10","5","2","7","2","3","1") = "9"
    & skf18("10","5","2","7","2","4","1") = "9"
    & skf18("10","5","2","7","2","5","1") = "9"
    & skf18("10","5","2","7","2","6","1") = "9"
    & skf18("10","5","2","7","2","7","1") = "9"
    & skf18("10","5","2","7","2","8","1") = "9"
    & skf18("10","5","2","7","2","9","1") = "9"
    & skf18("10","5","2","7","2","10","1") = "9"
    & skf18("10","5","2","7","3","1","1") = "9"
    & skf18("10","5","2","7","3","2","1") = "9"
    & skf18("10","5","2","7","3","3","1") = "9"
    & skf18("10","5","2","7","3","4","1") = "9"
    & skf18("10","5","2","7","3","5","1") = "9"
    & skf18("10","5","2","7","3","6","1") = "9"
    & skf18("10","5","2","7","3","7","1") = "9"
    & skf18("10","5","2","7","3","8","1") = "9"
    & skf18("10","5","2","7","3","9","1") = "9"
    & skf18("10","5","2","7","3","10","1") = "9"
    & skf18("10","5","2","7","4","1","1") = "9"
    & skf18("10","5","2","7","4","2","1") = "9"
    & skf18("10","5","2","7","4","3","1") = "9"
    & skf18("10","5","2","7","4","4","1") = "9"
    & skf18("10","5","2","7","4","5","1") = "9"
    & skf18("10","5","2","7","4","6","1") = "9"
    & skf18("10","5","2","7","4","7","1") = "9"
    & skf18("10","5","2","7","4","8","1") = "9"
    & skf18("10","5","2","7","4","9","1") = "9"
    & skf18("10","5","2","7","4","10","1") = "9"
    & skf18("10","5","2","7","5","1","1") = "9"
    & skf18("10","5","2","7","5","2","1") = "9"
    & skf18("10","5","2","7","5","3","1") = "9"
    & skf18("10","5","2","7","5","4","1") = "9"
    & skf18("10","5","2","7","5","5","1") = "9"
    & skf18("10","5","2","7","5","6","1") = "9"
    & skf18("10","5","2","7","5","7","1") = "9"
    & skf18("10","5","2","7","5","8","1") = "9"
    & skf18("10","5","2","7","5","9","1") = "9"
    & skf18("10","5","2","7","5","10","1") = "9"
    & skf18("10","5","2","7","6","1","1") = "9"
    & skf18("10","5","2","7","6","2","1") = "9"
    & skf18("10","5","2","7","6","3","1") = "9"
    & skf18("10","5","2","7","6","4","1") = "9"
    & skf18("10","5","2","7","6","5","1") = "9"
    & skf18("10","5","2","7","6","6","1") = "9"
    & skf18("10","5","2","7","6","7","1") = "9"
    & skf18("10","5","2","7","6","8","1") = "9"
    & skf18("10","5","2","7","6","9","1") = "9"
    & skf18("10","5","2","7","6","10","1") = "9"
    & skf18("10","5","2","7","7","1","1") = "9"
    & skf18("10","5","2","7","7","2","1") = "9"
    & skf18("10","5","2","7","7","3","1") = "9"
    & skf18("10","5","2","7","7","4","1") = "9"
    & skf18("10","5","2","7","7","5","1") = "9"
    & skf18("10","5","2","7","7","6","1") = "9"
    & skf18("10","5","2","7","7","7","1") = "9"
    & skf18("10","5","2","7","7","8","1") = "9"
    & skf18("10","5","2","7","7","9","1") = "9"
    & skf18("10","5","2","7","7","10","1") = "9"
    & skf18("10","5","2","7","8","1","1") = "9"
    & skf18("10","5","2","7","8","2","1") = "9"
    & skf18("10","5","2","7","8","3","1") = "9"
    & skf18("10","5","2","7","8","4","1") = "9"
    & skf18("10","5","2","7","8","5","1") = "9"
    & skf18("10","5","2","7","8","6","1") = "9"
    & skf18("10","5","2","7","8","7","1") = "9"
    & skf18("10","5","2","7","8","8","1") = "9"
    & skf18("10","5","2","7","8","9","1") = "9"
    & skf18("10","5","2","7","8","10","1") = "9"
    & skf18("10","5","2","7","9","1","1") = "9"
    & skf18("10","5","2","7","9","2","1") = "9"
    & skf18("10","5","2","7","9","3","1") = "9"
    & skf18("10","5","2","7","9","4","1") = "9"
    & skf18("10","5","2","7","9","5","1") = "9"
    & skf18("10","5","2","7","9","6","1") = "9"
    & skf18("10","5","2","7","9","7","1") = "9"
    & skf18("10","5","2","7","9","8","1") = "9"
    & skf18("10","5","2","7","9","9","1") = "9"
    & skf18("10","5","2","7","9","10","1") = "9"
    & skf18("10","5","2","7","10","1","1") = "9"
    & skf18("10","5","2","7","10","2","1") = "9"
    & skf18("10","5","2","7","10","3","1") = "9"
    & skf18("10","5","2","7","10","4","1") = "9"
    & skf18("10","5","2","7","10","5","1") = "9"
    & skf18("10","5","2","7","10","6","1") = "9"
    & skf18("10","5","2","7","10","7","1") = "9"
    & skf18("10","5","2","7","10","8","1") = "9"
    & skf18("10","5","2","7","10","9","1") = "9"
    & skf18("10","5","2","7","10","10","1") = "9"
    & skf18("10","5","2","8","1","1","1") = "9"
    & skf18("10","5","2","8","1","2","1") = "9"
    & skf18("10","5","2","8","1","3","1") = "9"
    & skf18("10","5","2","8","1","4","1") = "9"
    & skf18("10","5","2","8","1","5","1") = "9"
    & skf18("10","5","2","8","1","6","1") = "9"
    & skf18("10","5","2","8","1","7","1") = "9"
    & skf18("10","5","2","8","1","8","1") = "9"
    & skf18("10","5","2","8","1","9","1") = "9"
    & skf18("10","5","2","8","1","10","1") = "9"
    & skf18("10","5","2","8","2","1","1") = "9"
    & skf18("10","5","2","8","2","2","1") = "9"
    & skf18("10","5","2","8","2","3","1") = "9"
    & skf18("10","5","2","8","2","4","1") = "9"
    & skf18("10","5","2","8","2","5","1") = "9"
    & skf18("10","5","2","8","2","6","1") = "9"
    & skf18("10","5","2","8","2","7","1") = "9"
    & skf18("10","5","2","8","2","8","1") = "9"
    & skf18("10","5","2","8","2","9","1") = "9"
    & skf18("10","5","2","8","2","10","1") = "9"
    & skf18("10","5","2","8","3","1","1") = "9"
    & skf18("10","5","2","8","3","2","1") = "9"
    & skf18("10","5","2","8","3","3","1") = "9"
    & skf18("10","5","2","8","3","4","1") = "9"
    & skf18("10","5","2","8","3","5","1") = "9"
    & skf18("10","5","2","8","3","6","1") = "9"
    & skf18("10","5","2","8","3","7","1") = "9"
    & skf18("10","5","2","8","3","8","1") = "9"
    & skf18("10","5","2","8","3","9","1") = "9"
    & skf18("10","5","2","8","3","10","1") = "9"
    & skf18("10","5","2","8","4","1","1") = "9"
    & skf18("10","5","2","8","4","2","1") = "9"
    & skf18("10","5","2","8","4","3","1") = "9"
    & skf18("10","5","2","8","4","4","1") = "9"
    & skf18("10","5","2","8","4","5","1") = "9"
    & skf18("10","5","2","8","4","6","1") = "9"
    & skf18("10","5","2","8","4","7","1") = "9"
    & skf18("10","5","2","8","4","8","1") = "9"
    & skf18("10","5","2","8","4","9","1") = "9"
    & skf18("10","5","2","8","4","10","1") = "9"
    & skf18("10","5","2","8","5","1","1") = "9"
    & skf18("10","5","2","8","5","2","1") = "9"
    & skf18("10","5","2","8","5","3","1") = "9"
    & skf18("10","5","2","8","5","4","1") = "9"
    & skf18("10","5","2","8","5","5","1") = "9"
    & skf18("10","5","2","8","5","6","1") = "9"
    & skf18("10","5","2","8","5","7","1") = "9"
    & skf18("10","5","2","8","5","8","1") = "9"
    & skf18("10","5","2","8","5","9","1") = "9"
    & skf18("10","5","2","8","5","10","1") = "9"
    & skf18("10","5","2","8","6","1","1") = "9"
    & skf18("10","5","2","8","6","2","1") = "9"
    & skf18("10","5","2","8","6","3","1") = "9"
    & skf18("10","5","2","8","6","4","1") = "9"
    & skf18("10","5","2","8","6","5","1") = "9"
    & skf18("10","5","2","8","6","6","1") = "9"
    & skf18("10","5","2","8","6","7","1") = "9"
    & skf18("10","5","2","8","6","8","1") = "9"
    & skf18("10","5","2","8","6","9","1") = "9"
    & skf18("10","5","2","8","6","10","1") = "9"
    & skf18("10","5","2","8","7","1","1") = "9"
    & skf18("10","5","2","8","7","2","1") = "9"
    & skf18("10","5","2","8","7","3","1") = "9"
    & skf18("10","5","2","8","7","4","1") = "9"
    & skf18("10","5","2","8","7","5","1") = "9"
    & skf18("10","5","2","8","7","6","1") = "9"
    & skf18("10","5","2","8","7","7","1") = "9"
    & skf18("10","5","2","8","7","8","1") = "9"
    & skf18("10","5","2","8","7","9","1") = "9"
    & skf18("10","5","2","8","7","10","1") = "9"
    & skf18("10","5","2","8","8","1","1") = "9"
    & skf18("10","5","2","8","8","2","1") = "9"
    & skf18("10","5","2","8","8","3","1") = "9"
    & skf18("10","5","2","8","8","4","1") = "9"
    & skf18("10","5","2","8","8","5","1") = "9"
    & skf18("10","5","2","8","8","6","1") = "9"
    & skf18("10","5","2","8","8","7","1") = "9"
    & skf18("10","5","2","8","8","8","1") = "9"
    & skf18("10","5","2","8","8","9","1") = "9"
    & skf18("10","5","2","8","8","10","1") = "9"
    & skf18("10","5","2","8","9","1","1") = "9"
    & skf18("10","5","2","8","9","2","1") = "9"
    & skf18("10","5","2","8","9","3","1") = "9"
    & skf18("10","5","2","8","9","4","1") = "9"
    & skf18("10","5","2","8","9","5","1") = "9"
    & skf18("10","5","2","8","9","6","1") = "9"
    & skf18("10","5","2","8","9","7","1") = "9"
    & skf18("10","5","2","8","9","8","1") = "9"
    & skf18("10","5","2","8","9","9","1") = "9"
    & skf18("10","5","2","8","9","10","1") = "9"
    & skf18("10","5","2","8","10","1","1") = "9"
    & skf18("10","5","2","8","10","2","1") = "9"
    & skf18("10","5","2","8","10","3","1") = "9"
    & skf18("10","5","2","8","10","4","1") = "9"
    & skf18("10","5","2","8","10","5","1") = "9"
    & skf18("10","5","2","8","10","6","1") = "9"
    & skf18("10","5","2","8","10","7","1") = "9"
    & skf18("10","5","2","8","10","8","1") = "9"
    & skf18("10","5","2","8","10","9","1") = "9"
    & skf18("10","5","2","8","10","10","1") = "9"
    & skf18("10","5","2","9","1","1","1") = "9"
    & skf18("10","5","2","9","1","2","1") = "9"
    & skf18("10","5","2","9","1","3","1") = "9"
    & skf18("10","5","2","9","1","4","1") = "9"
    & skf18("10","5","2","9","1","5","1") = "9"
    & skf18("10","5","2","9","1","6","1") = "9"
    & skf18("10","5","2","9","1","7","1") = "9"
    & skf18("10","5","2","9","1","8","1") = "9"
    & skf18("10","5","2","9","1","9","1") = "9"
    & skf18("10","5","2","9","1","10","1") = "9"
    & skf18("10","5","2","9","2","1","1") = "9"
    & skf18("10","5","2","9","2","2","1") = "9"
    & skf18("10","5","2","9","2","3","1") = "9"
    & skf18("10","5","2","9","2","4","1") = "9"
    & skf18("10","5","2","9","2","5","1") = "9"
    & skf18("10","5","2","9","2","6","1") = "9"
    & skf18("10","5","2","9","2","7","1") = "9"
    & skf18("10","5","2","9","2","8","1") = "9"
    & skf18("10","5","2","9","2","9","1") = "9"
    & skf18("10","5","2","9","2","10","1") = "9"
    & skf18("10","5","2","9","3","1","1") = "9"
    & skf18("10","5","2","9","3","2","1") = "9"
    & skf18("10","5","2","9","3","3","1") = "9"
    & skf18("10","5","2","9","3","4","1") = "9"
    & skf18("10","5","2","9","3","5","1") = "9"
    & skf18("10","5","2","9","3","6","1") = "9"
    & skf18("10","5","2","9","3","7","1") = "9"
    & skf18("10","5","2","9","3","8","1") = "9"
    & skf18("10","5","2","9","3","9","1") = "9"
    & skf18("10","5","2","9","3","10","1") = "9"
    & skf18("10","5","2","9","4","1","1") = "9"
    & skf18("10","5","2","9","4","2","1") = "9"
    & skf18("10","5","2","9","4","3","1") = "9"
    & skf18("10","5","2","9","4","4","1") = "9"
    & skf18("10","5","2","9","4","5","1") = "9"
    & skf18("10","5","2","9","4","6","1") = "9"
    & skf18("10","5","2","9","4","7","1") = "9"
    & skf18("10","5","2","9","4","8","1") = "9"
    & skf18("10","5","2","9","4","9","1") = "9"
    & skf18("10","5","2","9","4","10","1") = "9"
    & skf18("10","5","2","9","5","1","1") = "9"
    & skf18("10","5","2","9","5","2","1") = "9"
    & skf18("10","5","2","9","5","3","1") = "9"
    & skf18("10","5","2","9","5","4","1") = "9"
    & skf18("10","5","2","9","5","5","1") = "9"
    & skf18("10","5","2","9","5","6","1") = "9"
    & skf18("10","5","2","9","5","7","1") = "9"
    & skf18("10","5","2","9","5","8","1") = "9"
    & skf18("10","5","2","9","5","9","1") = "9"
    & skf18("10","5","2","9","5","10","1") = "9"
    & skf18("10","5","2","9","6","1","1") = "9"
    & skf18("10","5","2","9","6","2","1") = "9"
    & skf18("10","5","2","9","6","3","1") = "9"
    & skf18("10","5","2","9","6","4","1") = "9"
    & skf18("10","5","2","9","6","5","1") = "9"
    & skf18("10","5","2","9","6","6","1") = "9"
    & skf18("10","5","2","9","6","7","1") = "9"
    & skf18("10","5","2","9","6","8","1") = "9"
    & skf18("10","5","2","9","6","9","1") = "9"
    & skf18("10","5","2","9","6","10","1") = "9"
    & skf18("10","5","2","9","7","1","1") = "9"
    & skf18("10","5","2","9","7","2","1") = "9"
    & skf18("10","5","2","9","7","3","1") = "9"
    & skf18("10","5","2","9","7","4","1") = "9"
    & skf18("10","5","2","9","7","5","1") = "9"
    & skf18("10","5","2","9","7","6","1") = "9"
    & skf18("10","5","2","9","7","7","1") = "9"
    & skf18("10","5","2","9","7","8","1") = "9"
    & skf18("10","5","2","9","7","9","1") = "9"
    & skf18("10","5","2","9","7","10","1") = "9"
    & skf18("10","5","2","9","8","1","1") = "9"
    & skf18("10","5","2","9","8","2","1") = "9"
    & skf18("10","5","2","9","8","3","1") = "9"
    & skf18("10","5","2","9","8","4","1") = "9"
    & skf18("10","5","2","9","8","5","1") = "9"
    & skf18("10","5","2","9","8","6","1") = "9"
    & skf18("10","5","2","9","8","7","1") = "9"
    & skf18("10","5","2","9","8","8","1") = "9"
    & skf18("10","5","2","9","8","9","1") = "9"
    & skf18("10","5","2","9","8","10","1") = "9"
    & skf18("10","5","2","9","9","1","1") = "9"
    & skf18("10","5","2","9","9","2","1") = "9"
    & skf18("10","5","2","9","9","3","1") = "9"
    & skf18("10","5","2","9","9","4","1") = "9"
    & skf18("10","5","2","9","9","5","1") = "9"
    & skf18("10","5","2","9","9","6","1") = "9"
    & skf18("10","5","2","9","9","7","1") = "9"
    & skf18("10","5","2","9","9","8","1") = "9"
    & skf18("10","5","2","9","9","9","1") = "9"
    & skf18("10","5","2","9","9","10","1") = "9"
    & skf18("10","5","2","9","10","1","1") = "9"
    & skf18("10","5","2","9","10","2","1") = "9"
    & skf18("10","5","2","9","10","3","1") = "9"
    & skf18("10","5","2","9","10","4","1") = "9"
    & skf18("10","5","2","9","10","5","1") = "9"
    & skf18("10","5","2","9","10","6","1") = "9"
    & skf18("10","5","2","9","10","7","1") = "9"
    & skf18("10","5","2","9","10","8","1") = "9"
    & skf18("10","5","2","9","10","9","1") = "9"
    & skf18("10","5","2","9","10","10","1") = "9"
    & skf18("10","5","2","10","1","1","1") = "9"
    & skf18("10","5","2","10","1","2","1") = "9"
    & skf18("10","5","2","10","1","3","1") = "9"
    & skf18("10","5","2","10","1","4","1") = "9"
    & skf18("10","5","2","10","1","5","1") = "9"
    & skf18("10","5","2","10","1","6","1") = "9"
    & skf18("10","5","2","10","1","7","1") = "9"
    & skf18("10","5","2","10","1","8","1") = "9"
    & skf18("10","5","2","10","1","9","1") = "9"
    & skf18("10","5","2","10","1","10","1") = "9"
    & skf18("10","5","2","10","2","1","1") = "9"
    & skf18("10","5","2","10","2","2","1") = "9"
    & skf18("10","5","2","10","2","3","1") = "9"
    & skf18("10","5","2","10","2","4","1") = "9"
    & skf18("10","5","2","10","2","5","1") = "9"
    & skf18("10","5","2","10","2","6","1") = "9"
    & skf18("10","5","2","10","2","7","1") = "9"
    & skf18("10","5","2","10","2","8","1") = "9"
    & skf18("10","5","2","10","2","9","1") = "9"
    & skf18("10","5","2","10","2","10","1") = "9"
    & skf18("10","5","2","10","3","1","1") = "9"
    & skf18("10","5","2","10","3","2","1") = "9"
    & skf18("10","5","2","10","3","3","1") = "9"
    & skf18("10","5","2","10","3","4","1") = "9"
    & skf18("10","5","2","10","3","5","1") = "9"
    & skf18("10","5","2","10","3","6","1") = "9"
    & skf18("10","5","2","10","3","7","1") = "9"
    & skf18("10","5","2","10","3","8","1") = "9"
    & skf18("10","5","2","10","3","9","1") = "9"
    & skf18("10","5","2","10","3","10","1") = "9"
    & skf18("10","5","2","10","4","1","1") = "9"
    & skf18("10","5","2","10","4","2","1") = "9"
    & skf18("10","5","2","10","4","3","1") = "9"
    & skf18("10","5","2","10","4","4","1") = "9"
    & skf18("10","5","2","10","4","5","1") = "9"
    & skf18("10","5","2","10","4","6","1") = "9"
    & skf18("10","5","2","10","4","7","1") = "9"
    & skf18("10","5","2","10","4","8","1") = "9"
    & skf18("10","5","2","10","4","9","1") = "9"
    & skf18("10","5","2","10","4","10","1") = "9"
    & skf18("10","5","2","10","5","1","1") = "9"
    & skf18("10","5","2","10","5","2","1") = "9"
    & skf18("10","5","2","10","5","3","1") = "9"
    & skf18("10","5","2","10","5","4","1") = "9"
    & skf18("10","5","2","10","5","5","1") = "9"
    & skf18("10","5","2","10","5","6","1") = "9"
    & skf18("10","5","2","10","5","7","1") = "9"
    & skf18("10","5","2","10","5","8","1") = "9"
    & skf18("10","5","2","10","5","9","1") = "9"
    & skf18("10","5","2","10","5","10","1") = "9"
    & skf18("10","5","2","10","6","1","1") = "9"
    & skf18("10","5","2","10","6","2","1") = "9"
    & skf18("10","5","2","10","6","3","1") = "9"
    & skf18("10","5","2","10","6","4","1") = "9"
    & skf18("10","5","2","10","6","5","1") = "9"
    & skf18("10","5","2","10","6","6","1") = "9"
    & skf18("10","5","2","10","6","7","1") = "9"
    & skf18("10","5","2","10","6","8","1") = "9"
    & skf18("10","5","2","10","6","9","1") = "9"
    & skf18("10","5","2","10","6","10","1") = "9"
    & skf18("10","5","2","10","7","1","1") = "9"
    & skf18("10","5","2","10","7","2","1") = "9"
    & skf18("10","5","2","10","7","3","1") = "9"
    & skf18("10","5","2","10","7","4","1") = "9"
    & skf18("10","5","2","10","7","5","1") = "9"
    & skf18("10","5","2","10","7","6","1") = "9"
    & skf18("10","5","2","10","7","7","1") = "9"
    & skf18("10","5","2","10","7","8","1") = "9"
    & skf18("10","5","2","10","7","9","1") = "9"
    & skf18("10","5","2","10","7","10","1") = "9"
    & skf18("10","5","2","10","8","1","1") = "9"
    & skf18("10","5","2","10","8","2","1") = "9"
    & skf18("10","5","2","10","8","3","1") = "9"
    & skf18("10","5","2","10","8","4","1") = "9"
    & skf18("10","5","2","10","8","5","1") = "9"
    & skf18("10","5","2","10","8","6","1") = "9"
    & skf18("10","5","2","10","8","7","1") = "9"
    & skf18("10","5","2","10","8","8","1") = "9"
    & skf18("10","5","2","10","8","9","1") = "9"
    & skf18("10","5","2","10","8","10","1") = "9"
    & skf18("10","5","2","10","9","1","1") = "9"
    & skf18("10","5","2","10","9","2","1") = "9"
    & skf18("10","5","2","10","9","3","1") = "9"
    & skf18("10","5","2","10","9","4","1") = "9"
    & skf18("10","5","2","10","9","5","1") = "9"
    & skf18("10","5","2","10","9","6","1") = "9"
    & skf18("10","5","2","10","9","7","1") = "9"
    & skf18("10","5","2","10","9","8","1") = "9"
    & skf18("10","5","2","10","9","9","1") = "9"
    & skf18("10","5","2","10","9","10","1") = "9"
    & skf18("10","5","2","10","10","1","1") = "9"
    & skf18("10","5","2","10","10","2","1") = "9"
    & skf18("10","5","2","10","10","3","1") = "9"
    & skf18("10","5","2","10","10","4","1") = "9"
    & skf18("10","5","2","10","10","5","1") = "9"
    & skf18("10","5","2","10","10","6","1") = "9"
    & skf18("10","5","2","10","10","7","1") = "9"
    & skf18("10","5","2","10","10","8","1") = "9"
    & skf18("10","5","2","10","10","9","1") = "9"
    & skf18("10","5","2","10","10","10","1") = "9"
    & skf18("10","5","3","1","1","1","1") = "9"
    & skf18("10","5","3","1","1","2","1") = "9"
    & skf18("10","5","3","1","1","3","1") = "9"
    & skf18("10","5","3","1","1","4","1") = "9"
    & skf18("10","5","3","1","1","5","1") = "9"
    & skf18("10","5","3","1","1","6","1") = "9"
    & skf18("10","5","3","1","1","7","1") = "9"
    & skf18("10","5","3","1","1","8","1") = "9"
    & skf18("10","5","3","1","1","9","1") = "9"
    & skf18("10","5","3","1","1","10","1") = "9"
    & skf18("10","5","3","1","2","1","1") = "9"
    & skf18("10","5","3","1","2","2","1") = "9"
    & skf18("10","5","3","1","2","3","1") = "9"
    & skf18("10","5","3","1","2","4","1") = "9"
    & skf18("10","5","3","1","2","5","1") = "9"
    & skf18("10","5","3","1","2","6","1") = "9"
    & skf18("10","5","3","1","2","7","1") = "9"
    & skf18("10","5","3","1","2","8","1") = "9"
    & skf18("10","5","3","1","2","9","1") = "9"
    & skf18("10","5","3","1","2","10","1") = "9"
    & skf18("10","5","3","1","3","1","1") = "9"
    & skf18("10","5","3","1","3","2","1") = "9"
    & skf18("10","5","3","1","3","3","1") = "9"
    & skf18("10","5","3","1","3","4","1") = "9"
    & skf18("10","5","3","1","3","5","1") = "9"
    & skf18("10","5","3","1","3","6","1") = "9"
    & skf18("10","5","3","1","3","7","1") = "9"
    & skf18("10","5","3","1","3","8","1") = "9"
    & skf18("10","5","3","1","3","9","1") = "9"
    & skf18("10","5","3","1","3","10","1") = "9"
    & skf18("10","5","3","1","4","1","1") = "9"
    & skf18("10","5","3","1","4","2","1") = "9"
    & skf18("10","5","3","1","4","3","1") = "9"
    & skf18("10","5","3","1","4","4","1") = "9"
    & skf18("10","5","3","1","4","5","1") = "9"
    & skf18("10","5","3","1","4","6","1") = "9"
    & skf18("10","5","3","1","4","7","1") = "9"
    & skf18("10","5","3","1","4","8","1") = "9"
    & skf18("10","5","3","1","4","9","1") = "9"
    & skf18("10","5","3","1","4","10","1") = "9"
    & skf18("10","5","3","1","5","1","1") = "9"
    & skf18("10","5","3","1","5","2","1") = "9"
    & skf18("10","5","3","1","5","3","1") = "9"
    & skf18("10","5","3","1","5","4","1") = "9"
    & skf18("10","5","3","1","5","5","1") = "9"
    & skf18("10","5","3","1","5","6","1") = "9"
    & skf18("10","5","3","1","5","7","1") = "9"
    & skf18("10","5","3","1","5","8","1") = "9"
    & skf18("10","5","3","1","5","9","1") = "9"
    & skf18("10","5","3","1","5","10","1") = "9"
    & skf18("10","5","3","1","6","1","1") = "9"
    & skf18("10","5","3","1","6","2","1") = "9"
    & skf18("10","5","3","1","6","3","1") = "9"
    & skf18("10","5","3","1","6","4","1") = "9"
    & skf18("10","5","3","1","6","5","1") = "9"
    & skf18("10","5","3","1","6","6","1") = "9"
    & skf18("10","5","3","1","6","7","1") = "9"
    & skf18("10","5","3","1","6","8","1") = "9"
    & skf18("10","5","3","1","6","9","1") = "9"
    & skf18("10","5","3","1","6","10","1") = "9"
    & skf18("10","5","3","1","7","1","1") = "9"
    & skf18("10","5","3","1","7","2","1") = "9"
    & skf18("10","5","3","1","7","3","1") = "9"
    & skf18("10","5","3","1","7","4","1") = "9"
    & skf18("10","5","3","1","7","5","1") = "9"
    & skf18("10","5","3","1","7","6","1") = "9"
    & skf18("10","5","3","1","7","7","1") = "9"
    & skf18("10","5","3","1","7","8","1") = "9"
    & skf18("10","5","3","1","7","9","1") = "9"
    & skf18("10","5","3","1","7","10","1") = "9"
    & skf18("10","5","3","1","8","1","1") = "9"
    & skf18("10","5","3","1","8","2","1") = "9"
    & skf18("10","5","3","1","8","3","1") = "9"
    & skf18("10","5","3","1","8","4","1") = "9"
    & skf18("10","5","3","1","8","5","1") = "9"
    & skf18("10","5","3","1","8","6","1") = "9"
    & skf18("10","5","3","1","8","7","1") = "9"
    & skf18("10","5","3","1","8","8","1") = "9"
    & skf18("10","5","3","1","8","9","1") = "9"
    & skf18("10","5","3","1","8","10","1") = "9"
    & skf18("10","5","3","1","9","1","1") = "9"
    & skf18("10","5","3","1","9","2","1") = "9"
    & skf18("10","5","3","1","9","3","1") = "9"
    & skf18("10","5","3","1","9","4","1") = "9"
    & skf18("10","5","3","1","9","5","1") = "9"
    & skf18("10","5","3","1","9","6","1") = "9"
    & skf18("10","5","3","1","9","7","1") = "9"
    & skf18("10","5","3","1","9","8","1") = "9"
    & skf18("10","5","3","1","9","9","1") = "9"
    & skf18("10","5","3","1","9","10","1") = "9"
    & skf18("10","5","3","1","10","1","1") = "9"
    & skf18("10","5","3","1","10","2","1") = "9"
    & skf18("10","5","3","1","10","3","1") = "9"
    & skf18("10","5","3","1","10","4","1") = "9"
    & skf18("10","5","3","1","10","5","1") = "9"
    & skf18("10","5","3","1","10","6","1") = "9"
    & skf18("10","5","3","1","10","7","1") = "9"
    & skf18("10","5","3","1","10","8","1") = "9"
    & skf18("10","5","3","1","10","9","1") = "9"
    & skf18("10","5","3","1","10","10","1") = "9"
    & skf18("10","5","3","2","1","1","1") = "9"
    & skf18("10","5","3","2","1","2","1") = "9"
    & skf18("10","5","3","2","1","3","1") = "9"
    & skf18("10","5","3","2","1","4","1") = "9"
    & skf18("10","5","3","2","1","5","1") = "9"
    & skf18("10","5","3","2","1","6","1") = "9"
    & skf18("10","5","3","2","1","7","1") = "9"
    & skf18("10","5","3","2","1","8","1") = "9"
    & skf18("10","5","3","2","1","9","1") = "9"
    & skf18("10","5","3","2","1","10","1") = "9"
    & skf18("10","5","3","2","2","1","1") = "9"
    & skf18("10","5","3","2","2","2","1") = "9"
    & skf18("10","5","3","2","2","3","1") = "9"
    & skf18("10","5","3","2","2","4","1") = "9"
    & skf18("10","5","3","2","2","5","1") = "9"
    & skf18("10","5","3","2","2","6","1") = "9"
    & skf18("10","5","3","2","2","7","1") = "9"
    & skf18("10","5","3","2","2","8","1") = "9"
    & skf18("10","5","3","2","2","9","1") = "9"
    & skf18("10","5","3","2","2","10","1") = "9"
    & skf18("10","5","3","2","3","1","1") = "9"
    & skf18("10","5","3","2","3","2","1") = "9"
    & skf18("10","5","3","2","3","3","1") = "9"
    & skf18("10","5","3","2","3","4","1") = "9"
    & skf18("10","5","3","2","3","5","1") = "9"
    & skf18("10","5","3","2","3","6","1") = "9"
    & skf18("10","5","3","2","3","7","1") = "9"
    & skf18("10","5","3","2","3","8","1") = "9"
    & skf18("10","5","3","2","3","9","1") = "9"
    & skf18("10","5","3","2","3","10","1") = "9"
    & skf18("10","5","3","2","4","1","1") = "9"
    & skf18("10","5","3","2","4","2","1") = "9"
    & skf18("10","5","3","2","4","3","1") = "9"
    & skf18("10","5","3","2","4","4","1") = "9"
    & skf18("10","5","3","2","4","5","1") = "9"
    & skf18("10","5","3","2","4","6","1") = "9"
    & skf18("10","5","3","2","4","7","1") = "9"
    & skf18("10","5","3","2","4","8","1") = "9"
    & skf18("10","5","3","2","4","9","1") = "9"
    & skf18("10","5","3","2","4","10","1") = "9"
    & skf18("10","5","3","2","5","1","1") = "9"
    & skf18("10","5","3","2","5","2","1") = "9"
    & skf18("10","5","3","2","5","3","1") = "9"
    & skf18("10","5","3","2","5","4","1") = "9"
    & skf18("10","5","3","2","5","5","1") = "9"
    & skf18("10","5","3","2","5","6","1") = "9"
    & skf18("10","5","3","2","5","7","1") = "9"
    & skf18("10","5","3","2","5","8","1") = "9"
    & skf18("10","5","3","2","5","9","1") = "9"
    & skf18("10","5","3","2","5","10","1") = "9"
    & skf18("10","5","3","2","6","1","1") = "9"
    & skf18("10","5","3","2","6","2","1") = "9"
    & skf18("10","5","3","2","6","3","1") = "9"
    & skf18("10","5","3","2","6","4","1") = "9"
    & skf18("10","5","3","2","6","5","1") = "9"
    & skf18("10","5","3","2","6","6","1") = "9"
    & skf18("10","5","3","2","6","7","1") = "9"
    & skf18("10","5","3","2","6","8","1") = "9"
    & skf18("10","5","3","2","6","9","1") = "9"
    & skf18("10","5","3","2","6","10","1") = "9"
    & skf18("10","5","3","2","7","1","1") = "9"
    & skf18("10","5","3","2","7","2","1") = "9"
    & skf18("10","5","3","2","7","3","1") = "9"
    & skf18("10","5","3","2","7","4","1") = "9"
    & skf18("10","5","3","2","7","5","1") = "9"
    & skf18("10","5","3","2","7","6","1") = "9"
    & skf18("10","5","3","2","7","7","1") = "9"
    & skf18("10","5","3","2","7","8","1") = "9"
    & skf18("10","5","3","2","7","9","1") = "9"
    & skf18("10","5","3","2","7","10","1") = "9"
    & skf18("10","5","3","2","8","1","1") = "9"
    & skf18("10","5","3","2","8","2","1") = "9"
    & skf18("10","5","3","2","8","3","1") = "9"
    & skf18("10","5","3","2","8","4","1") = "9"
    & skf18("10","5","3","2","8","5","1") = "9"
    & skf18("10","5","3","2","8","6","1") = "9"
    & skf18("10","5","3","2","8","7","1") = "9"
    & skf18("10","5","3","2","8","8","1") = "9"
    & skf18("10","5","3","2","8","9","1") = "9"
    & skf18("10","5","3","2","8","10","1") = "9"
    & skf18("10","5","3","2","9","1","1") = "9"
    & skf18("10","5","3","2","9","2","1") = "9"
    & skf18("10","5","3","2","9","3","1") = "9"
    & skf18("10","5","3","2","9","4","1") = "9"
    & skf18("10","5","3","2","9","5","1") = "9"
    & skf18("10","5","3","2","9","6","1") = "9"
    & skf18("10","5","3","2","9","7","1") = "9"
    & skf18("10","5","3","2","9","8","1") = "9"
    & skf18("10","5","3","2","9","9","1") = "9"
    & skf18("10","5","3","2","9","10","1") = "9"
    & skf18("10","5","3","2","10","1","1") = "9"
    & skf18("10","5","3","2","10","2","1") = "9"
    & skf18("10","5","3","2","10","3","1") = "9"
    & skf18("10","5","3","2","10","4","1") = "9"
    & skf18("10","5","3","2","10","5","1") = "9"
    & skf18("10","5","3","2","10","6","1") = "9"
    & skf18("10","5","3","2","10","7","1") = "9"
    & skf18("10","5","3","2","10","8","1") = "9"
    & skf18("10","5","3","2","10","9","1") = "9"
    & skf18("10","5","3","2","10","10","1") = "9"
    & skf18("10","5","3","3","1","1","1") = "9"
    & skf18("10","5","3","3","1","2","1") = "9"
    & skf18("10","5","3","3","1","3","1") = "9"
    & skf18("10","5","3","3","1","4","1") = "9"
    & skf18("10","5","3","3","1","5","1") = "9"
    & skf18("10","5","3","3","1","6","1") = "9"
    & skf18("10","5","3","3","1","7","1") = "9"
    & skf18("10","5","3","3","1","8","1") = "9"
    & skf18("10","5","3","3","1","9","1") = "9"
    & skf18("10","5","3","3","1","10","1") = "9"
    & skf18("10","5","3","3","2","1","1") = "9"
    & skf18("10","5","3","3","2","2","1") = "9"
    & skf18("10","5","3","3","2","3","1") = "9"
    & skf18("10","5","3","3","2","4","1") = "9"
    & skf18("10","5","3","3","2","5","1") = "9"
    & skf18("10","5","3","3","2","6","1") = "9"
    & skf18("10","5","3","3","2","7","1") = "9"
    & skf18("10","5","3","3","2","8","1") = "9"
    & skf18("10","5","3","3","2","9","1") = "9"
    & skf18("10","5","3","3","2","10","1") = "9"
    & skf18("10","5","3","3","3","1","1") = "9"
    & skf18("10","5","3","3","3","2","1") = "9"
    & skf18("10","5","3","3","3","3","1") = "9"
    & skf18("10","5","3","3","3","4","1") = "9"
    & skf18("10","5","3","3","3","5","1") = "9"
    & skf18("10","5","3","3","3","6","1") = "9"
    & skf18("10","5","3","3","3","7","1") = "9"
    & skf18("10","5","3","3","3","8","1") = "9"
    & skf18("10","5","3","3","3","9","1") = "9"
    & skf18("10","5","3","3","3","10","1") = "9"
    & skf18("10","5","3","3","4","1","1") = "9"
    & skf18("10","5","3","3","4","2","1") = "9"
    & skf18("10","5","3","3","4","3","1") = "9"
    & skf18("10","5","3","3","4","4","1") = "9"
    & skf18("10","5","3","3","4","5","1") = "9"
    & skf18("10","5","3","3","4","6","1") = "9"
    & skf18("10","5","3","3","4","7","1") = "9"
    & skf18("10","5","3","3","4","8","1") = "9"
    & skf18("10","5","3","3","4","9","1") = "9"
    & skf18("10","5","3","3","4","10","1") = "9"
    & skf18("10","5","3","3","5","1","1") = "9"
    & skf18("10","5","3","3","5","2","1") = "9"
    & skf18("10","5","3","3","5","3","1") = "9"
    & skf18("10","5","3","3","5","4","1") = "9"
    & skf18("10","5","3","3","5","5","1") = "9"
    & skf18("10","5","3","3","5","6","1") = "9"
    & skf18("10","5","3","3","5","7","1") = "9"
    & skf18("10","5","3","3","5","8","1") = "9"
    & skf18("10","5","3","3","5","9","1") = "9"
    & skf18("10","5","3","3","5","10","1") = "9"
    & skf18("10","5","3","3","6","1","1") = "9"
    & skf18("10","5","3","3","6","2","1") = "9"
    & skf18("10","5","3","3","6","3","1") = "9"
    & skf18("10","5","3","3","6","4","1") = "9"
    & skf18("10","5","3","3","6","5","1") = "9"
    & skf18("10","5","3","3","6","6","1") = "9"
    & skf18("10","5","3","3","6","7","1") = "9"
    & skf18("10","5","3","3","6","8","1") = "9"
    & skf18("10","5","3","3","6","9","1") = "9"
    & skf18("10","5","3","3","6","10","1") = "9"
    & skf18("10","5","3","3","7","1","1") = "9"
    & skf18("10","5","3","3","7","2","1") = "9"
    & skf18("10","5","3","3","7","3","1") = "9"
    & skf18("10","5","3","3","7","4","1") = "9"
    & skf18("10","5","3","3","7","5","1") = "9"
    & skf18("10","5","3","3","7","6","1") = "9"
    & skf18("10","5","3","3","7","7","1") = "9"
    & skf18("10","5","3","3","7","8","1") = "9"
    & skf18("10","5","3","3","7","9","1") = "9"
    & skf18("10","5","3","3","7","10","1") = "9"
    & skf18("10","5","3","3","8","1","1") = "9"
    & skf18("10","5","3","3","8","2","1") = "9"
    & skf18("10","5","3","3","8","3","1") = "9"
    & skf18("10","5","3","3","8","4","1") = "9"
    & skf18("10","5","3","3","8","5","1") = "9"
    & skf18("10","5","3","3","8","6","1") = "9"
    & skf18("10","5","3","3","8","7","1") = "9"
    & skf18("10","5","3","3","8","8","1") = "9"
    & skf18("10","5","3","3","8","9","1") = "9"
    & skf18("10","5","3","3","8","10","1") = "9"
    & skf18("10","5","3","3","9","1","1") = "9"
    & skf18("10","5","3","3","9","2","1") = "9"
    & skf18("10","5","3","3","9","3","1") = "9"
    & skf18("10","5","3","3","9","4","1") = "9"
    & skf18("10","5","3","3","9","5","1") = "9"
    & skf18("10","5","3","3","9","6","1") = "9"
    & skf18("10","5","3","3","9","7","1") = "9"
    & skf18("10","5","3","3","9","8","1") = "9"
    & skf18("10","5","3","3","9","9","1") = "9"
    & skf18("10","5","3","3","9","10","1") = "9"
    & skf18("10","5","3","3","10","1","1") = "9"
    & skf18("10","5","3","3","10","2","1") = "9"
    & skf18("10","5","3","3","10","3","1") = "9"
    & skf18("10","5","3","3","10","4","1") = "9"
    & skf18("10","5","3","3","10","5","1") = "9"
    & skf18("10","5","3","3","10","6","1") = "9"
    & skf18("10","5","3","3","10","7","1") = "9"
    & skf18("10","5","3","3","10","8","1") = "9"
    & skf18("10","5","3","3","10","9","1") = "9"
    & skf18("10","5","3","3","10","10","1") = "9"
    & skf18("10","5","3","4","1","1","1") = "9"
    & skf18("10","5","3","4","1","2","1") = "9"
    & skf18("10","5","3","4","1","3","1") = "9"
    & skf18("10","5","3","4","1","4","1") = "9"
    & skf18("10","5","3","4","1","5","1") = "9"
    & skf18("10","5","3","4","1","6","1") = "9"
    & skf18("10","5","3","4","1","7","1") = "9"
    & skf18("10","5","3","4","1","8","1") = "9"
    & skf18("10","5","3","4","1","9","1") = "9"
    & skf18("10","5","3","4","1","10","1") = "9"
    & skf18("10","5","3","4","2","1","1") = "9"
    & skf18("10","5","3","4","2","2","1") = "9"
    & skf18("10","5","3","4","2","3","1") = "9"
    & skf18("10","5","3","4","2","4","1") = "9"
    & skf18("10","5","3","4","2","5","1") = "9"
    & skf18("10","5","3","4","2","6","1") = "9"
    & skf18("10","5","3","4","2","7","1") = "9"
    & skf18("10","5","3","4","2","8","1") = "9"
    & skf18("10","5","3","4","2","9","1") = "9"
    & skf18("10","5","3","4","2","10","1") = "9"
    & skf18("10","5","3","4","3","1","1") = "9"
    & skf18("10","5","3","4","3","2","1") = "9"
    & skf18("10","5","3","4","3","3","1") = "9"
    & skf18("10","5","3","4","3","4","1") = "9"
    & skf18("10","5","3","4","3","5","1") = "9"
    & skf18("10","5","3","4","3","6","1") = "9"
    & skf18("10","5","3","4","3","7","1") = "9"
    & skf18("10","5","3","4","3","8","1") = "9"
    & skf18("10","5","3","4","3","9","1") = "9"
    & skf18("10","5","3","4","3","10","1") = "9"
    & skf18("10","5","3","4","4","1","1") = "9"
    & skf18("10","5","3","4","4","2","1") = "9"
    & skf18("10","5","3","4","4","3","1") = "9"
    & skf18("10","5","3","4","4","4","1") = "9"
    & skf18("10","5","3","4","4","5","1") = "9"
    & skf18("10","5","3","4","4","6","1") = "9"
    & skf18("10","5","3","4","4","7","1") = "9"
    & skf18("10","5","3","4","4","8","1") = "9"
    & skf18("10","5","3","4","4","9","1") = "9"
    & skf18("10","5","3","4","4","10","1") = "9"
    & skf18("10","5","3","4","5","1","1") = "9"
    & skf18("10","5","3","4","5","2","1") = "9"
    & skf18("10","5","3","4","5","3","1") = "9"
    & skf18("10","5","3","4","5","4","1") = "9"
    & skf18("10","5","3","4","5","5","1") = "9"
    & skf18("10","5","3","4","5","6","1") = "9"
    & skf18("10","5","3","4","5","7","1") = "9"
    & skf18("10","5","3","4","5","8","1") = "9"
    & skf18("10","5","3","4","5","9","1") = "9"
    & skf18("10","5","3","4","5","10","1") = "9"
    & skf18("10","5","3","4","6","1","1") = "9"
    & skf18("10","5","3","4","6","2","1") = "9"
    & skf18("10","5","3","4","6","3","1") = "9"
    & skf18("10","5","3","4","6","4","1") = "9"
    & skf18("10","5","3","4","6","5","1") = "9"
    & skf18("10","5","3","4","6","6","1") = "9"
    & skf18("10","5","3","4","6","7","1") = "9"
    & skf18("10","5","3","4","6","8","1") = "9"
    & skf18("10","5","3","4","6","9","1") = "9"
    & skf18("10","5","3","4","6","10","1") = "9"
    & skf18("10","5","3","4","7","1","1") = "9"
    & skf18("10","5","3","4","7","2","1") = "9"
    & skf18("10","5","3","4","7","3","1") = "9"
    & skf18("10","5","3","4","7","4","1") = "9"
    & skf18("10","5","3","4","7","5","1") = "9"
    & skf18("10","5","3","4","7","6","1") = "9"
    & skf18("10","5","3","4","7","7","1") = "9"
    & skf18("10","5","3","4","7","8","1") = "9"
    & skf18("10","5","3","4","7","9","1") = "9"
    & skf18("10","5","3","4","7","10","1") = "9"
    & skf18("10","5","3","4","8","1","1") = "9"
    & skf18("10","5","3","4","8","2","1") = "9"
    & skf18("10","5","3","4","8","3","1") = "9"
    & skf18("10","5","3","4","8","4","1") = "9"
    & skf18("10","5","3","4","8","5","1") = "9"
    & skf18("10","5","3","4","8","6","1") = "9"
    & skf18("10","5","3","4","8","7","1") = "9"
    & skf18("10","5","3","4","8","8","1") = "9"
    & skf18("10","5","3","4","8","9","1") = "9"
    & skf18("10","5","3","4","8","10","1") = "9"
    & skf18("10","5","3","4","9","1","1") = "9"
    & skf18("10","5","3","4","9","2","1") = "9"
    & skf18("10","5","3","4","9","3","1") = "9"
    & skf18("10","5","3","4","9","4","1") = "9"
    & skf18("10","5","3","4","9","5","1") = "9"
    & skf18("10","5","3","4","9","6","1") = "9"
    & skf18("10","5","3","4","9","7","1") = "9"
    & skf18("10","5","3","4","9","8","1") = "9"
    & skf18("10","5","3","4","9","9","1") = "9"
    & skf18("10","5","3","4","9","10","1") = "9"
    & skf18("10","5","3","4","10","1","1") = "9"
    & skf18("10","5","3","4","10","2","1") = "9"
    & skf18("10","5","3","4","10","3","1") = "9"
    & skf18("10","5","3","4","10","4","1") = "9"
    & skf18("10","5","3","4","10","5","1") = "9"
    & skf18("10","5","3","4","10","6","1") = "9"
    & skf18("10","5","3","4","10","7","1") = "9"
    & skf18("10","5","3","4","10","8","1") = "9"
    & skf18("10","5","3","4","10","9","1") = "9"
    & skf18("10","5","3","4","10","10","1") = "9"
    & skf18("10","5","3","5","1","1","1") = "9"
    & skf18("10","5","3","5","1","2","1") = "9"
    & skf18("10","5","3","5","1","3","1") = "9"
    & skf18("10","5","3","5","1","4","1") = "9"
    & skf18("10","5","3","5","1","5","1") = "9"
    & skf18("10","5","3","5","1","6","1") = "9"
    & skf18("10","5","3","5","1","7","1") = "9"
    & skf18("10","5","3","5","1","8","1") = "9"
    & skf18("10","5","3","5","1","9","1") = "9"
    & skf18("10","5","3","5","1","10","1") = "9"
    & skf18("10","5","3","5","2","1","1") = "9"
    & skf18("10","5","3","5","2","2","1") = "9"
    & skf18("10","5","3","5","2","3","1") = "9"
    & skf18("10","5","3","5","2","4","1") = "9"
    & skf18("10","5","3","5","2","5","1") = "9"
    & skf18("10","5","3","5","2","6","1") = "9"
    & skf18("10","5","3","5","2","7","1") = "9"
    & skf18("10","5","3","5","2","8","1") = "9"
    & skf18("10","5","3","5","2","9","1") = "9"
    & skf18("10","5","3","5","2","10","1") = "9"
    & skf18("10","5","3","5","3","1","1") = "9"
    & skf18("10","5","3","5","3","2","1") = "9"
    & skf18("10","5","3","5","3","3","1") = "9"
    & skf18("10","5","3","5","3","4","1") = "9"
    & skf18("10","5","3","5","3","5","1") = "9"
    & skf18("10","5","3","5","3","6","1") = "9"
    & skf18("10","5","3","5","3","7","1") = "9"
    & skf18("10","5","3","5","3","8","1") = "9"
    & skf18("10","5","3","5","3","9","1") = "9"
    & skf18("10","5","3","5","3","10","1") = "9"
    & skf18("10","5","3","5","4","1","1") = "9"
    & skf18("10","5","3","5","4","2","1") = "9"
    & skf18("10","5","3","5","4","3","1") = "9"
    & skf18("10","5","3","5","4","4","1") = "9"
    & skf18("10","5","3","5","4","5","1") = "9"
    & skf18("10","5","3","5","4","6","1") = "9"
    & skf18("10","5","3","5","4","7","1") = "9"
    & skf18("10","5","3","5","4","8","1") = "9"
    & skf18("10","5","3","5","4","9","1") = "9"
    & skf18("10","5","3","5","4","10","1") = "9"
    & skf18("10","5","3","5","5","1","1") = "9"
    & skf18("10","5","3","5","5","2","1") = "9"
    & skf18("10","5","3","5","5","3","1") = "9"
    & skf18("10","5","3","5","5","4","1") = "9"
    & skf18("10","5","3","5","5","5","1") = "9"
    & skf18("10","5","3","5","5","6","1") = "9"
    & skf18("10","5","3","5","5","7","1") = "9"
    & skf18("10","5","3","5","5","8","1") = "9"
    & skf18("10","5","3","5","5","9","1") = "9"
    & skf18("10","5","3","5","5","10","1") = "9"
    & skf18("10","5","3","5","6","1","1") = "9"
    & skf18("10","5","3","5","6","2","1") = "9"
    & skf18("10","5","3","5","6","3","1") = "9"
    & skf18("10","5","3","5","6","4","1") = "9"
    & skf18("10","5","3","5","6","5","1") = "9"
    & skf18("10","5","3","5","6","6","1") = "9"
    & skf18("10","5","3","5","6","7","1") = "9"
    & skf18("10","5","3","5","6","8","1") = "9"
    & skf18("10","5","3","5","6","9","1") = "9"
    & skf18("10","5","3","5","6","10","1") = "9"
    & skf18("10","5","3","5","7","1","1") = "9"
    & skf18("10","5","3","5","7","2","1") = "9"
    & skf18("10","5","3","5","7","3","1") = "9"
    & skf18("10","5","3","5","7","4","1") = "9"
    & skf18("10","5","3","5","7","5","1") = "9"
    & skf18("10","5","3","5","7","6","1") = "9"
    & skf18("10","5","3","5","7","7","1") = "9"
    & skf18("10","5","3","5","7","8","1") = "9"
    & skf18("10","5","3","5","7","9","1") = "9"
    & skf18("10","5","3","5","7","10","1") = "9"
    & skf18("10","5","3","5","8","1","1") = "9"
    & skf18("10","5","3","5","8","2","1") = "9"
    & skf18("10","5","3","5","8","3","1") = "9"
    & skf18("10","5","3","5","8","4","1") = "9"
    & skf18("10","5","3","5","8","5","1") = "9"
    & skf18("10","5","3","5","8","6","1") = "9"
    & skf18("10","5","3","5","8","7","1") = "9"
    & skf18("10","5","3","5","8","8","1") = "9"
    & skf18("10","5","3","5","8","9","1") = "9"
    & skf18("10","5","3","5","8","10","1") = "9"
    & skf18("10","5","3","5","9","1","1") = "9"
    & skf18("10","5","3","5","9","2","1") = "9"
    & skf18("10","5","3","5","9","3","1") = "9"
    & skf18("10","5","3","5","9","4","1") = "9"
    & skf18("10","5","3","5","9","5","1") = "9"
    & skf18("10","5","3","5","9","6","1") = "9"
    & skf18("10","5","3","5","9","7","1") = "9"
    & skf18("10","5","3","5","9","8","1") = "9"
    & skf18("10","5","3","5","9","9","1") = "9"
    & skf18("10","5","3","5","9","10","1") = "9"
    & skf18("10","5","3","5","10","1","1") = "9"
    & skf18("10","5","3","5","10","2","1") = "9"
    & skf18("10","5","3","5","10","3","1") = "9"
    & skf18("10","5","3","5","10","4","1") = "9"
    & skf18("10","5","3","5","10","5","1") = "9"
    & skf18("10","5","3","5","10","6","1") = "9"
    & skf18("10","5","3","5","10","7","1") = "9"
    & skf18("10","5","3","5","10","8","1") = "9"
    & skf18("10","5","3","5","10","9","1") = "9"
    & skf18("10","5","3","5","10","10","1") = "9"
    & skf18("10","5","3","6","1","1","1") = "9"
    & skf18("10","5","3","6","1","2","1") = "9"
    & skf18("10","5","3","6","1","3","1") = "9"
    & skf18("10","5","3","6","1","4","1") = "9"
    & skf18("10","5","3","6","1","5","1") = "9"
    & skf18("10","5","3","6","1","6","1") = "9"
    & skf18("10","5","3","6","1","7","1") = "9"
    & skf18("10","5","3","6","1","8","1") = "9"
    & skf18("10","5","3","6","1","9","1") = "9"
    & skf18("10","5","3","6","1","10","1") = "9"
    & skf18("10","5","3","6","2","1","1") = "9"
    & skf18("10","5","3","6","2","2","1") = "9"
    & skf18("10","5","3","6","2","3","1") = "9"
    & skf18("10","5","3","6","2","4","1") = "9"
    & skf18("10","5","3","6","2","5","1") = "9"
    & skf18("10","5","3","6","2","6","1") = "9"
    & skf18("10","5","3","6","2","7","1") = "9"
    & skf18("10","5","3","6","2","8","1") = "9"
    & skf18("10","5","3","6","2","9","1") = "9"
    & skf18("10","5","3","6","2","10","1") = "9"
    & skf18("10","5","3","6","3","1","1") = "9"
    & skf18("10","5","3","6","3","2","1") = "9"
    & skf18("10","5","3","6","3","3","1") = "9"
    & skf18("10","5","3","6","3","4","1") = "9"
    & skf18("10","5","3","6","3","5","1") = "9"
    & skf18("10","5","3","6","3","6","1") = "9"
    & skf18("10","5","3","6","3","7","1") = "9"
    & skf18("10","5","3","6","3","8","1") = "9"
    & skf18("10","5","3","6","3","9","1") = "9"
    & skf18("10","5","3","6","3","10","1") = "9"
    & skf18("10","5","3","6","4","1","1") = "9"
    & skf18("10","5","3","6","4","2","1") = "9"
    & skf18("10","5","3","6","4","3","1") = "9"
    & skf18("10","5","3","6","4","4","1") = "9"
    & skf18("10","5","3","6","4","5","1") = "9"
    & skf18("10","5","3","6","4","6","1") = "9"
    & skf18("10","5","3","6","4","7","1") = "9"
    & skf18("10","5","3","6","4","8","1") = "9"
    & skf18("10","5","3","6","4","9","1") = "9"
    & skf18("10","5","3","6","4","10","1") = "9"
    & skf18("10","5","3","6","5","1","1") = "9"
    & skf18("10","5","3","6","5","2","1") = "9"
    & skf18("10","5","3","6","5","3","1") = "9"
    & skf18("10","5","3","6","5","4","1") = "9"
    & skf18("10","5","3","6","5","5","1") = "9"
    & skf18("10","5","3","6","5","6","1") = "9"
    & skf18("10","5","3","6","5","7","1") = "9"
    & skf18("10","5","3","6","5","8","1") = "9"
    & skf18("10","5","3","6","5","9","1") = "9"
    & skf18("10","5","3","6","5","10","1") = "9"
    & skf18("10","5","3","6","6","1","1") = "9"
    & skf18("10","5","3","6","6","2","1") = "9"
    & skf18("10","5","3","6","6","3","1") = "9"
    & skf18("10","5","3","6","6","4","1") = "9"
    & skf18("10","5","3","6","6","5","1") = "9"
    & skf18("10","5","3","6","6","6","1") = "9"
    & skf18("10","5","3","6","6","7","1") = "9"
    & skf18("10","5","3","6","6","8","1") = "9"
    & skf18("10","5","3","6","6","9","1") = "9"
    & skf18("10","5","3","6","6","10","1") = "9"
    & skf18("10","5","3","6","7","1","1") = "9"
    & skf18("10","5","3","6","7","2","1") = "9"
    & skf18("10","5","3","6","7","3","1") = "9"
    & skf18("10","5","3","6","7","4","1") = "9"
    & skf18("10","5","3","6","7","5","1") = "9"
    & skf18("10","5","3","6","7","6","1") = "9"
    & skf18("10","5","3","6","7","7","1") = "9"
    & skf18("10","5","3","6","7","8","1") = "9"
    & skf18("10","5","3","6","7","9","1") = "9"
    & skf18("10","5","3","6","7","10","1") = "9"
    & skf18("10","5","3","6","8","1","1") = "9"
    & skf18("10","5","3","6","8","2","1") = "9"
    & skf18("10","5","3","6","8","3","1") = "9"
    & skf18("10","5","3","6","8","4","1") = "9"
    & skf18("10","5","3","6","8","5","1") = "9"
    & skf18("10","5","3","6","8","6","1") = "9"
    & skf18("10","5","3","6","8","7","1") = "9"
    & skf18("10","5","3","6","8","8","1") = "9"
    & skf18("10","5","3","6","8","9","1") = "9"
    & skf18("10","5","3","6","8","10","1") = "9"
    & skf18("10","5","3","6","9","1","1") = "9"
    & skf18("10","5","3","6","9","2","1") = "9"
    & skf18("10","5","3","6","9","3","1") = "9"
    & skf18("10","5","3","6","9","4","1") = "9"
    & skf18("10","5","3","6","9","5","1") = "9"
    & skf18("10","5","3","6","9","6","1") = "9"
    & skf18("10","5","3","6","9","7","1") = "9"
    & skf18("10","5","3","6","9","8","1") = "9"
    & skf18("10","5","3","6","9","9","1") = "9"
    & skf18("10","5","3","6","9","10","1") = "9"
    & skf18("10","5","3","6","10","1","1") = "9"
    & skf18("10","5","3","6","10","2","1") = "9"
    & skf18("10","5","3","6","10","3","1") = "9"
    & skf18("10","5","3","6","10","4","1") = "9"
    & skf18("10","5","3","6","10","5","1") = "9"
    & skf18("10","5","3","6","10","6","1") = "9"
    & skf18("10","5","3","6","10","7","1") = "9"
    & skf18("10","5","3","6","10","8","1") = "9"
    & skf18("10","5","3","6","10","9","1") = "9"
    & skf18("10","5","3","6","10","10","1") = "9"
    & skf18("10","5","3","7","1","1","1") = "9"
    & skf18("10","5","3","7","1","2","1") = "9"
    & skf18("10","5","3","7","1","3","1") = "9"
    & skf18("10","5","3","7","1","4","1") = "9"
    & skf18("10","5","3","7","1","5","1") = "9"
    & skf18("10","5","3","7","1","6","1") = "9"
    & skf18("10","5","3","7","1","7","1") = "9"
    & skf18("10","5","3","7","1","8","1") = "9"
    & skf18("10","5","3","7","1","9","1") = "9"
    & skf18("10","5","3","7","1","10","1") = "9"
    & skf18("10","5","3","7","2","1","1") = "9"
    & skf18("10","5","3","7","2","2","1") = "9"
    & skf18("10","5","3","7","2","3","1") = "9"
    & skf18("10","5","3","7","2","4","1") = "9"
    & skf18("10","5","3","7","2","5","1") = "9"
    & skf18("10","5","3","7","2","6","1") = "9"
    & skf18("10","5","3","7","2","7","1") = "9"
    & skf18("10","5","3","7","2","8","1") = "9"
    & skf18("10","5","3","7","2","9","1") = "9"
    & skf18("10","5","3","7","2","10","1") = "9"
    & skf18("10","5","3","7","3","1","1") = "9"
    & skf18("10","5","3","7","3","2","1") = "9"
    & skf18("10","5","3","7","3","3","1") = "9"
    & skf18("10","5","3","7","3","4","1") = "9"
    & skf18("10","5","3","7","3","5","1") = "9"
    & skf18("10","5","3","7","3","6","1") = "9"
    & skf18("10","5","3","7","3","7","1") = "9"
    & skf18("10","5","3","7","3","8","1") = "9"
    & skf18("10","5","3","7","3","9","1") = "9"
    & skf18("10","5","3","7","3","10","1") = "9"
    & skf18("10","5","3","7","4","1","1") = "9"
    & skf18("10","5","3","7","4","2","1") = "9"
    & skf18("10","5","3","7","4","3","1") = "9"
    & skf18("10","5","3","7","4","4","1") = "9"
    & skf18("10","5","3","7","4","5","1") = "9"
    & skf18("10","5","3","7","4","6","1") = "9"
    & skf18("10","5","3","7","4","7","1") = "9"
    & skf18("10","5","3","7","4","8","1") = "9"
    & skf18("10","5","3","7","4","9","1") = "9"
    & skf18("10","5","3","7","4","10","1") = "9"
    & skf18("10","5","3","7","5","1","1") = "9"
    & skf18("10","5","3","7","5","2","1") = "9"
    & skf18("10","5","3","7","5","3","1") = "9"
    & skf18("10","5","3","7","5","4","1") = "9"
    & skf18("10","5","3","7","5","5","1") = "9"
    & skf18("10","5","3","7","5","6","1") = "9"
    & skf18("10","5","3","7","5","7","1") = "9"
    & skf18("10","5","3","7","5","8","1") = "9"
    & skf18("10","5","3","7","5","9","1") = "9"
    & skf18("10","5","3","7","5","10","1") = "9"
    & skf18("10","5","3","7","6","1","1") = "9"
    & skf18("10","5","3","7","6","2","1") = "9"
    & skf18("10","5","3","7","6","3","1") = "9"
    & skf18("10","5","3","7","6","4","1") = "9"
    & skf18("10","5","3","7","6","5","1") = "9"
    & skf18("10","5","3","7","6","6","1") = "9"
    & skf18("10","5","3","7","6","7","1") = "9"
    & skf18("10","5","3","7","6","8","1") = "9"
    & skf18("10","5","3","7","6","9","1") = "9"
    & skf18("10","5","3","7","6","10","1") = "9"
    & skf18("10","5","3","7","7","1","1") = "9"
    & skf18("10","5","3","7","7","2","1") = "9"
    & skf18("10","5","3","7","7","3","1") = "9"
    & skf18("10","5","3","7","7","4","1") = "9"
    & skf18("10","5","3","7","7","5","1") = "9"
    & skf18("10","5","3","7","7","6","1") = "9"
    & skf18("10","5","3","7","7","7","1") = "9"
    & skf18("10","5","3","7","7","8","1") = "9"
    & skf18("10","5","3","7","7","9","1") = "9"
    & skf18("10","5","3","7","7","10","1") = "9"
    & skf18("10","5","3","7","8","1","1") = "9"
    & skf18("10","5","3","7","8","2","1") = "9"
    & skf18("10","5","3","7","8","3","1") = "9"
    & skf18("10","5","3","7","8","4","1") = "9"
    & skf18("10","5","3","7","8","5","1") = "9"
    & skf18("10","5","3","7","8","6","1") = "9"
    & skf18("10","5","3","7","8","7","1") = "9"
    & skf18("10","5","3","7","8","8","1") = "9"
    & skf18("10","5","3","7","8","9","1") = "9"
    & skf18("10","5","3","7","8","10","1") = "9"
    & skf18("10","5","3","7","9","1","1") = "9"
    & skf18("10","5","3","7","9","2","1") = "9"
    & skf18("10","5","3","7","9","3","1") = "9"
    & skf18("10","5","3","7","9","4","1") = "9"
    & skf18("10","5","3","7","9","5","1") = "9"
    & skf18("10","5","3","7","9","6","1") = "9"
    & skf18("10","5","3","7","9","7","1") = "9"
    & skf18("10","5","3","7","9","8","1") = "9"
    & skf18("10","5","3","7","9","9","1") = "9"
    & skf18("10","5","3","7","9","10","1") = "9"
    & skf18("10","5","3","7","10","1","1") = "9"
    & skf18("10","5","3","7","10","2","1") = "9"
    & skf18("10","5","3","7","10","3","1") = "9"
    & skf18("10","5","3","7","10","4","1") = "9"
    & skf18("10","5","3","7","10","5","1") = "9"
    & skf18("10","5","3","7","10","6","1") = "9"
    & skf18("10","5","3","7","10","7","1") = "9"
    & skf18("10","5","3","7","10","8","1") = "9"
    & skf18("10","5","3","7","10","9","1") = "9"
    & skf18("10","5","3","7","10","10","1") = "9"
    & skf18("10","5","3","8","1","1","1") = "9"
    & skf18("10","5","3","8","1","2","1") = "9"
    & skf18("10","5","3","8","1","3","1") = "9"
    & skf18("10","5","3","8","1","4","1") = "9"
    & skf18("10","5","3","8","1","5","1") = "9"
    & skf18("10","5","3","8","1","6","1") = "9"
    & skf18("10","5","3","8","1","7","1") = "9"
    & skf18("10","5","3","8","1","8","1") = "9"
    & skf18("10","5","3","8","1","9","1") = "9"
    & skf18("10","5","3","8","1","10","1") = "9"
    & skf18("10","5","3","8","2","1","1") = "9"
    & skf18("10","5","3","8","2","2","1") = "9"
    & skf18("10","5","3","8","2","3","1") = "9"
    & skf18("10","5","3","8","2","4","1") = "9"
    & skf18("10","5","3","8","2","5","1") = "9"
    & skf18("10","5","3","8","2","6","1") = "9"
    & skf18("10","5","3","8","2","7","1") = "9"
    & skf18("10","5","3","8","2","8","1") = "9"
    & skf18("10","5","3","8","2","9","1") = "9"
    & skf18("10","5","3","8","2","10","1") = "9"
    & skf18("10","5","3","8","3","1","1") = "9"
    & skf18("10","5","3","8","3","2","1") = "9"
    & skf18("10","5","3","8","3","3","1") = "9"
    & skf18("10","5","3","8","3","4","1") = "9"
    & skf18("10","5","3","8","3","5","1") = "9"
    & skf18("10","5","3","8","3","6","1") = "9"
    & skf18("10","5","3","8","3","7","1") = "9"
    & skf18("10","5","3","8","3","8","1") = "9"
    & skf18("10","5","3","8","3","9","1") = "9"
    & skf18("10","5","3","8","3","10","1") = "9"
    & skf18("10","5","3","8","4","1","1") = "9"
    & skf18("10","5","3","8","4","2","1") = "9"
    & skf18("10","5","3","8","4","3","1") = "9"
    & skf18("10","5","3","8","4","4","1") = "9"
    & skf18("10","5","3","8","4","5","1") = "9"
    & skf18("10","5","3","8","4","6","1") = "9"
    & skf18("10","5","3","8","4","7","1") = "9"
    & skf18("10","5","3","8","4","8","1") = "9"
    & skf18("10","5","3","8","4","9","1") = "9"
    & skf18("10","5","3","8","4","10","1") = "9"
    & skf18("10","5","3","8","5","1","1") = "9"
    & skf18("10","5","3","8","5","2","1") = "9"
    & skf18("10","5","3","8","5","3","1") = "9"
    & skf18("10","5","3","8","5","4","1") = "9"
    & skf18("10","5","3","8","5","5","1") = "9"
    & skf18("10","5","3","8","5","6","1") = "9"
    & skf18("10","5","3","8","5","7","1") = "9"
    & skf18("10","5","3","8","5","8","1") = "9"
    & skf18("10","5","3","8","5","9","1") = "9"
    & skf18("10","5","3","8","5","10","1") = "9"
    & skf18("10","5","3","8","6","1","1") = "9"
    & skf18("10","5","3","8","6","2","1") = "9"
    & skf18("10","5","3","8","6","3","1") = "9"
    & skf18("10","5","3","8","6","4","1") = "9"
    & skf18("10","5","3","8","6","5","1") = "9"
    & skf18("10","5","3","8","6","6","1") = "9"
    & skf18("10","5","3","8","6","7","1") = "9"
    & skf18("10","5","3","8","6","8","1") = "9"
    & skf18("10","5","3","8","6","9","1") = "9"
    & skf18("10","5","3","8","6","10","1") = "9"
    & skf18("10","5","3","8","7","1","1") = "9"
    & skf18("10","5","3","8","7","2","1") = "9"
    & skf18("10","5","3","8","7","3","1") = "9"
    & skf18("10","5","3","8","7","4","1") = "9"
    & skf18("10","5","3","8","7","5","1") = "9"
    & skf18("10","5","3","8","7","6","1") = "9"
    & skf18("10","5","3","8","7","7","1") = "9"
    & skf18("10","5","3","8","7","8","1") = "9"
    & skf18("10","5","3","8","7","9","1") = "9"
    & skf18("10","5","3","8","7","10","1") = "9"
    & skf18("10","5","3","8","8","1","1") = "9"
    & skf18("10","5","3","8","8","2","1") = "9"
    & skf18("10","5","3","8","8","3","1") = "9"
    & skf18("10","5","3","8","8","4","1") = "9"
    & skf18("10","5","3","8","8","5","1") = "9"
    & skf18("10","5","3","8","8","6","1") = "9"
    & skf18("10","5","3","8","8","7","1") = "9"
    & skf18("10","5","3","8","8","8","1") = "9"
    & skf18("10","5","3","8","8","9","1") = "9"
    & skf18("10","5","3","8","8","10","1") = "9"
    & skf18("10","5","3","8","9","1","1") = "9"
    & skf18("10","5","3","8","9","2","1") = "9"
    & skf18("10","5","3","8","9","3","1") = "9"
    & skf18("10","5","3","8","9","4","1") = "9"
    & skf18("10","5","3","8","9","5","1") = "9"
    & skf18("10","5","3","8","9","6","1") = "9"
    & skf18("10","5","3","8","9","7","1") = "9"
    & skf18("10","5","3","8","9","8","1") = "9"
    & skf18("10","5","3","8","9","9","1") = "9"
    & skf18("10","5","3","8","9","10","1") = "9"
    & skf18("10","5","3","8","10","1","1") = "9"
    & skf18("10","5","3","8","10","2","1") = "9"
    & skf18("10","5","3","8","10","3","1") = "9"
    & skf18("10","5","3","8","10","4","1") = "9"
    & skf18("10","5","3","8","10","5","1") = "9"
    & skf18("10","5","3","8","10","6","1") = "9"
    & skf18("10","5","3","8","10","7","1") = "9"
    & skf18("10","5","3","8","10","8","1") = "9"
    & skf18("10","5","3","8","10","9","1") = "9"
    & skf18("10","5","3","8","10","10","1") = "9"
    & skf18("10","5","3","9","1","1","1") = "9"
    & skf18("10","5","3","9","1","2","1") = "9"
    & skf18("10","5","3","9","1","3","1") = "9"
    & skf18("10","5","3","9","1","4","1") = "9"
    & skf18("10","5","3","9","1","5","1") = "9"
    & skf18("10","5","3","9","1","6","1") = "9"
    & skf18("10","5","3","9","1","7","1") = "9"
    & skf18("10","5","3","9","1","8","1") = "9"
    & skf18("10","5","3","9","1","9","1") = "9"
    & skf18("10","5","3","9","1","10","1") = "9"
    & skf18("10","5","3","9","2","1","1") = "9"
    & skf18("10","5","3","9","2","2","1") = "9"
    & skf18("10","5","3","9","2","3","1") = "9"
    & skf18("10","5","3","9","2","4","1") = "9"
    & skf18("10","5","3","9","2","5","1") = "9"
    & skf18("10","5","3","9","2","6","1") = "9"
    & skf18("10","5","3","9","2","7","1") = "9"
    & skf18("10","5","3","9","2","8","1") = "9"
    & skf18("10","5","3","9","2","9","1") = "9"
    & skf18("10","5","3","9","2","10","1") = "9"
    & skf18("10","5","3","9","3","1","1") = "9"
    & skf18("10","5","3","9","3","2","1") = "9"
    & skf18("10","5","3","9","3","3","1") = "9"
    & skf18("10","5","3","9","3","4","1") = "9"
    & skf18("10","5","3","9","3","5","1") = "9"
    & skf18("10","5","3","9","3","6","1") = "9"
    & skf18("10","5","3","9","3","7","1") = "9"
    & skf18("10","5","3","9","3","8","1") = "9"
    & skf18("10","5","3","9","3","9","1") = "9"
    & skf18("10","5","3","9","3","10","1") = "9"
    & skf18("10","5","3","9","4","1","1") = "9"
    & skf18("10","5","3","9","4","2","1") = "9"
    & skf18("10","5","3","9","4","3","1") = "9"
    & skf18("10","5","3","9","4","4","1") = "9"
    & skf18("10","5","3","9","4","5","1") = "9"
    & skf18("10","5","3","9","4","6","1") = "9"
    & skf18("10","5","3","9","4","7","1") = "9"
    & skf18("10","5","3","9","4","8","1") = "9"
    & skf18("10","5","3","9","4","9","1") = "9"
    & skf18("10","5","3","9","4","10","1") = "9"
    & skf18("10","5","3","9","5","1","1") = "9"
    & skf18("10","5","3","9","5","2","1") = "9"
    & skf18("10","5","3","9","5","3","1") = "9"
    & skf18("10","5","3","9","5","4","1") = "9"
    & skf18("10","5","3","9","5","5","1") = "9"
    & skf18("10","5","3","9","5","6","1") = "9"
    & skf18("10","5","3","9","5","7","1") = "9"
    & skf18("10","5","3","9","5","8","1") = "9"
    & skf18("10","5","3","9","5","9","1") = "9"
    & skf18("10","5","3","9","5","10","1") = "9"
    & skf18("10","5","3","9","6","1","1") = "9"
    & skf18("10","5","3","9","6","2","1") = "9"
    & skf18("10","5","3","9","6","3","1") = "9"
    & skf18("10","5","3","9","6","4","1") = "9"
    & skf18("10","5","3","9","6","5","1") = "9"
    & skf18("10","5","3","9","6","6","1") = "9"
    & skf18("10","5","3","9","6","7","1") = "9"
    & skf18("10","5","3","9","6","8","1") = "9"
    & skf18("10","5","3","9","6","9","1") = "9"
    & skf18("10","5","3","9","6","10","1") = "9"
    & skf18("10","5","3","9","7","1","1") = "9"
    & skf18("10","5","3","9","7","2","1") = "9"
    & skf18("10","5","3","9","7","3","1") = "9"
    & skf18("10","5","3","9","7","4","1") = "9"
    & skf18("10","5","3","9","7","5","1") = "9"
    & skf18("10","5","3","9","7","6","1") = "9"
    & skf18("10","5","3","9","7","7","1") = "9"
    & skf18("10","5","3","9","7","8","1") = "9"
    & skf18("10","5","3","9","7","9","1") = "9"
    & skf18("10","5","3","9","7","10","1") = "9"
    & skf18("10","5","3","9","8","1","1") = "9"
    & skf18("10","5","3","9","8","2","1") = "9"
    & skf18("10","5","3","9","8","3","1") = "9"
    & skf18("10","5","3","9","8","4","1") = "9"
    & skf18("10","5","3","9","8","5","1") = "9"
    & skf18("10","5","3","9","8","6","1") = "9"
    & skf18("10","5","3","9","8","7","1") = "9"
    & skf18("10","5","3","9","8","8","1") = "9"
    & skf18("10","5","3","9","8","9","1") = "9"
    & skf18("10","5","3","9","8","10","1") = "9"
    & skf18("10","5","3","9","9","1","1") = "9"
    & skf18("10","5","3","9","9","2","1") = "9"
    & skf18("10","5","3","9","9","3","1") = "9"
    & skf18("10","5","3","9","9","4","1") = "9"
    & skf18("10","5","3","9","9","5","1") = "9"
    & skf18("10","5","3","9","9","6","1") = "9"
    & skf18("10","5","3","9","9","7","1") = "9"
    & skf18("10","5","3","9","9","8","1") = "9"
    & skf18("10","5","3","9","9","9","1") = "9"
    & skf18("10","5","3","9","9","10","1") = "9"
    & skf18("10","5","3","9","10","1","1") = "9"
    & skf18("10","5","3","9","10","2","1") = "9"
    & skf18("10","5","3","9","10","3","1") = "9"
    & skf18("10","5","3","9","10","4","1") = "9"
    & skf18("10","5","3","9","10","5","1") = "9"
    & skf18("10","5","3","9","10","6","1") = "9"
    & skf18("10","5","3","9","10","7","1") = "9"
    & skf18("10","5","3","9","10","8","1") = "9"
    & skf18("10","5","3","9","10","9","1") = "9"
    & skf18("10","5","3","9","10","10","1") = "9"
    & skf18("10","5","3","10","1","1","1") = "9"
    & skf18("10","5","3","10","1","2","1") = "9"
    & skf18("10","5","3","10","1","3","1") = "9"
    & skf18("10","5","3","10","1","4","1") = "9"
    & skf18("10","5","3","10","1","5","1") = "9"
    & skf18("10","5","3","10","1","6","1") = "9"
    & skf18("10","5","3","10","1","7","1") = "9"
    & skf18("10","5","3","10","1","8","1") = "9"
    & skf18("10","5","3","10","1","9","1") = "9"
    & skf18("10","5","3","10","1","10","1") = "9"
    & skf18("10","5","3","10","2","1","1") = "9"
    & skf18("10","5","3","10","2","2","1") = "9"
    & skf18("10","5","3","10","2","3","1") = "9"
    & skf18("10","5","3","10","2","4","1") = "9"
    & skf18("10","5","3","10","2","5","1") = "9"
    & skf18("10","5","3","10","2","6","1") = "9"
    & skf18("10","5","3","10","2","7","1") = "9"
    & skf18("10","5","3","10","2","8","1") = "9"
    & skf18("10","5","3","10","2","9","1") = "9"
    & skf18("10","5","3","10","2","10","1") = "9"
    & skf18("10","5","3","10","3","1","1") = "9"
    & skf18("10","5","3","10","3","2","1") = "9"
    & skf18("10","5","3","10","3","3","1") = "9"
    & skf18("10","5","3","10","3","4","1") = "9"
    & skf18("10","5","3","10","3","5","1") = "9"
    & skf18("10","5","3","10","3","6","1") = "9"
    & skf18("10","5","3","10","3","7","1") = "9"
    & skf18("10","5","3","10","3","8","1") = "9"
    & skf18("10","5","3","10","3","9","1") = "9"
    & skf18("10","5","3","10","3","10","1") = "9"
    & skf18("10","5","3","10","4","1","1") = "9"
    & skf18("10","5","3","10","4","2","1") = "9"
    & skf18("10","5","3","10","4","3","1") = "9"
    & skf18("10","5","3","10","4","4","1") = "9"
    & skf18("10","5","3","10","4","5","1") = "9"
    & skf18("10","5","3","10","4","6","1") = "9"
    & skf18("10","5","3","10","4","7","1") = "9"
    & skf18("10","5","3","10","4","8","1") = "9"
    & skf18("10","5","3","10","4","9","1") = "9"
    & skf18("10","5","3","10","4","10","1") = "9"
    & skf18("10","5","3","10","5","1","1") = "9"
    & skf18("10","5","3","10","5","2","1") = "9"
    & skf18("10","5","3","10","5","3","1") = "9"
    & skf18("10","5","3","10","5","4","1") = "9"
    & skf18("10","5","3","10","5","5","1") = "9"
    & skf18("10","5","3","10","5","6","1") = "9"
    & skf18("10","5","3","10","5","7","1") = "9"
    & skf18("10","5","3","10","5","8","1") = "9"
    & skf18("10","5","3","10","5","9","1") = "9"
    & skf18("10","5","3","10","5","10","1") = "9"
    & skf18("10","5","3","10","6","1","1") = "9"
    & skf18("10","5","3","10","6","2","1") = "9"
    & skf18("10","5","3","10","6","3","1") = "9"
    & skf18("10","5","3","10","6","4","1") = "9"
    & skf18("10","5","3","10","6","5","1") = "9"
    & skf18("10","5","3","10","6","6","1") = "9"
    & skf18("10","5","3","10","6","7","1") = "9"
    & skf18("10","5","3","10","6","8","1") = "9"
    & skf18("10","5","3","10","6","9","1") = "9"
    & skf18("10","5","3","10","6","10","1") = "9"
    & skf18("10","5","3","10","7","1","1") = "9"
    & skf18("10","5","3","10","7","2","1") = "9"
    & skf18("10","5","3","10","7","3","1") = "9"
    & skf18("10","5","3","10","7","4","1") = "9"
    & skf18("10","5","3","10","7","5","1") = "9"
    & skf18("10","5","3","10","7","6","1") = "9"
    & skf18("10","5","3","10","7","7","1") = "9"
    & skf18("10","5","3","10","7","8","1") = "9"
    & skf18("10","5","3","10","7","9","1") = "9"
    & skf18("10","5","3","10","7","10","1") = "9"
    & skf18("10","5","3","10","8","1","1") = "9"
    & skf18("10","5","3","10","8","2","1") = "9"
    & skf18("10","5","3","10","8","3","1") = "9"
    & skf18("10","5","3","10","8","4","1") = "9"
    & skf18("10","5","3","10","8","5","1") = "9"
    & skf18("10","5","3","10","8","6","1") = "9"
    & skf18("10","5","3","10","8","7","1") = "9"
    & skf18("10","5","3","10","8","8","1") = "9"
    & skf18("10","5","3","10","8","9","1") = "9"
    & skf18("10","5","3","10","8","10","1") = "9"
    & skf18("10","5","3","10","9","1","1") = "9"
    & skf18("10","5","3","10","9","2","1") = "9"
    & skf18("10","5","3","10","9","3","1") = "9"
    & skf18("10","5","3","10","9","4","1") = "9"
    & skf18("10","5","3","10","9","5","1") = "9"
    & skf18("10","5","3","10","9","6","1") = "9"
    & skf18("10","5","3","10","9","7","1") = "9"
    & skf18("10","5","3","10","9","8","1") = "9"
    & skf18("10","5","3","10","9","9","1") = "9"
    & skf18("10","5","3","10","9","10","1") = "9"
    & skf18("10","5","3","10","10","1","1") = "9"
    & skf18("10","5","3","10","10","2","1") = "9"
    & skf18("10","5","3","10","10","3","1") = "9"
    & skf18("10","5","3","10","10","4","1") = "9"
    & skf18("10","5","3","10","10","5","1") = "9"
    & skf18("10","5","3","10","10","6","1") = "9"
    & skf18("10","5","3","10","10","7","1") = "9"
    & skf18("10","5","3","10","10","8","1") = "9"
    & skf18("10","5","3","10","10","9","1") = "9"
    & skf18("10","5","3","10","10","10","1") = "9"
    & skf18("10","5","4","1","1","1","1") = "9"
    & skf18("10","5","4","1","1","2","1") = "9"
    & skf18("10","5","4","1","1","3","1") = "9"
    & skf18("10","5","4","1","1","4","1") = "9"
    & skf18("10","5","4","1","1","5","1") = "9"
    & skf18("10","5","4","1","1","6","1") = "9"
    & skf18("10","5","4","1","1","7","1") = "9"
    & skf18("10","5","4","1","1","8","1") = "9"
    & skf18("10","5","4","1","1","9","1") = "9"
    & skf18("10","5","4","1","1","10","1") = "9"
    & skf18("10","5","4","1","2","1","1") = "9"
    & skf18("10","5","4","1","2","2","1") = "9"
    & skf18("10","5","4","1","2","3","1") = "9"
    & skf18("10","5","4","1","2","4","1") = "9"
    & skf18("10","5","4","1","2","5","1") = "9"
    & skf18("10","5","4","1","2","6","1") = "9"
    & skf18("10","5","4","1","2","7","1") = "9"
    & skf18("10","5","4","1","2","8","1") = "9"
    & skf18("10","5","4","1","2","9","1") = "9"
    & skf18("10","5","4","1","2","10","1") = "9"
    & skf18("10","5","4","1","3","1","1") = "9"
    & skf18("10","5","4","1","3","2","1") = "9"
    & skf18("10","5","4","1","3","3","1") = "9"
    & skf18("10","5","4","1","3","4","1") = "9"
    & skf18("10","5","4","1","3","5","1") = "9"
    & skf18("10","5","4","1","3","6","1") = "9"
    & skf18("10","5","4","1","3","7","1") = "9"
    & skf18("10","5","4","1","3","8","1") = "9"
    & skf18("10","5","4","1","3","9","1") = "9"
    & skf18("10","5","4","1","3","10","1") = "9"
    & skf18("10","5","4","1","4","1","1") = "9"
    & skf18("10","5","4","1","4","2","1") = "9"
    & skf18("10","5","4","1","4","3","1") = "9"
    & skf18("10","5","4","1","4","4","1") = "9"
    & skf18("10","5","4","1","4","5","1") = "9"
    & skf18("10","5","4","1","4","6","1") = "9"
    & skf18("10","5","4","1","4","7","1") = "9"
    & skf18("10","5","4","1","4","8","1") = "9"
    & skf18("10","5","4","1","4","9","1") = "9"
    & skf18("10","5","4","1","4","10","1") = "9"
    & skf18("10","5","4","1","5","1","1") = "9"
    & skf18("10","5","4","1","5","2","1") = "9"
    & skf18("10","5","4","1","5","3","1") = "9"
    & skf18("10","5","4","1","5","4","1") = "9"
    & skf18("10","5","4","1","5","5","1") = "9"
    & skf18("10","5","4","1","5","6","1") = "9"
    & skf18("10","5","4","1","5","7","1") = "9"
    & skf18("10","5","4","1","5","8","1") = "9"
    & skf18("10","5","4","1","5","9","1") = "9"
    & skf18("10","5","4","1","5","10","1") = "9"
    & skf18("10","5","4","1","6","1","1") = "9"
    & skf18("10","5","4","1","6","2","1") = "9"
    & skf18("10","5","4","1","6","3","1") = "9"
    & skf18("10","5","4","1","6","4","1") = "9"
    & skf18("10","5","4","1","6","5","1") = "9"
    & skf18("10","5","4","1","6","6","1") = "9"
    & skf18("10","5","4","1","6","7","1") = "9"
    & skf18("10","5","4","1","6","8","1") = "9"
    & skf18("10","5","4","1","6","9","1") = "9"
    & skf18("10","5","4","1","6","10","1") = "9"
    & skf18("10","5","4","1","7","1","1") = "9"
    & skf18("10","5","4","1","7","2","1") = "9"
    & skf18("10","5","4","1","7","3","1") = "9"
    & skf18("10","5","4","1","7","4","1") = "9"
    & skf18("10","5","4","1","7","5","1") = "9"
    & skf18("10","5","4","1","7","6","1") = "9"
    & skf18("10","5","4","1","7","7","1") = "9"
    & skf18("10","5","4","1","7","8","1") = "9"
    & skf18("10","5","4","1","7","9","1") = "9"
    & skf18("10","5","4","1","7","10","1") = "9"
    & skf18("10","5","4","1","8","1","1") = "9"
    & skf18("10","5","4","1","8","2","1") = "9"
    & skf18("10","5","4","1","8","3","1") = "9"
    & skf18("10","5","4","1","8","4","1") = "9"
    & skf18("10","5","4","1","8","5","1") = "9"
    & skf18("10","5","4","1","8","6","1") = "9"
    & skf18("10","5","4","1","8","7","1") = "9"
    & skf18("10","5","4","1","8","8","1") = "9"
    & skf18("10","5","4","1","8","9","1") = "9"
    & skf18("10","5","4","1","8","10","1") = "9"
    & skf18("10","5","4","1","9","1","1") = "9"
    & skf18("10","5","4","1","9","2","1") = "9"
    & skf18("10","5","4","1","9","3","1") = "9"
    & skf18("10","5","4","1","9","4","1") = "9"
    & skf18("10","5","4","1","9","5","1") = "9"
    & skf18("10","5","4","1","9","6","1") = "9"
    & skf18("10","5","4","1","9","7","1") = "9"
    & skf18("10","5","4","1","9","8","1") = "9"
    & skf18("10","5","4","1","9","9","1") = "9"
    & skf18("10","5","4","1","9","10","1") = "9"
    & skf18("10","5","4","1","10","1","1") = "9"
    & skf18("10","5","4","1","10","2","1") = "9"
    & skf18("10","5","4","1","10","3","1") = "9"
    & skf18("10","5","4","1","10","4","1") = "9"
    & skf18("10","5","4","1","10","5","1") = "9"
    & skf18("10","5","4","1","10","6","1") = "9"
    & skf18("10","5","4","1","10","7","1") = "9"
    & skf18("10","5","4","1","10","8","1") = "9"
    & skf18("10","5","4","1","10","9","1") = "9"
    & skf18("10","5","4","1","10","10","1") = "9"
    & skf18("10","5","4","2","1","1","1") = "9"
    & skf18("10","5","4","2","1","2","1") = "9"
    & skf18("10","5","4","2","1","3","1") = "9"
    & skf18("10","5","4","2","1","4","1") = "9"
    & skf18("10","5","4","2","1","5","1") = "9"
    & skf18("10","5","4","2","1","6","1") = "9"
    & skf18("10","5","4","2","1","7","1") = "9"
    & skf18("10","5","4","2","1","8","1") = "9"
    & skf18("10","5","4","2","1","9","1") = "9"
    & skf18("10","5","4","2","1","10","1") = "9"
    & skf18("10","5","4","2","2","1","1") = "9"
    & skf18("10","5","4","2","2","2","1") = "9"
    & skf18("10","5","4","2","2","3","1") = "9"
    & skf18("10","5","4","2","2","4","1") = "9"
    & skf18("10","5","4","2","2","5","1") = "9"
    & skf18("10","5","4","2","2","6","1") = "9"
    & skf18("10","5","4","2","2","7","1") = "9"
    & skf18("10","5","4","2","2","8","1") = "9"
    & skf18("10","5","4","2","2","9","1") = "9"
    & skf18("10","5","4","2","2","10","1") = "9"
    & skf18("10","5","4","2","3","1","1") = "9"
    & skf18("10","5","4","2","3","2","1") = "9"
    & skf18("10","5","4","2","3","3","1") = "9"
    & skf18("10","5","4","2","3","4","1") = "9"
    & skf18("10","5","4","2","3","5","1") = "9"
    & skf18("10","5","4","2","3","6","1") = "9"
    & skf18("10","5","4","2","3","7","1") = "9"
    & skf18("10","5","4","2","3","8","1") = "9"
    & skf18("10","5","4","2","3","9","1") = "9"
    & skf18("10","5","4","2","3","10","1") = "9"
    & skf18("10","5","4","2","4","1","1") = "9"
    & skf18("10","5","4","2","4","2","1") = "9"
    & skf18("10","5","4","2","4","3","1") = "9"
    & skf18("10","5","4","2","4","4","1") = "9"
    & skf18("10","5","4","2","4","5","1") = "9"
    & skf18("10","5","4","2","4","6","1") = "9"
    & skf18("10","5","4","2","4","7","1") = "9"
    & skf18("10","5","4","2","4","8","1") = "9"
    & skf18("10","5","4","2","4","9","1") = "9"
    & skf18("10","5","4","2","4","10","1") = "9"
    & skf18("10","5","4","2","5","1","1") = "9"
    & skf18("10","5","4","2","5","2","1") = "9"
    & skf18("10","5","4","2","5","3","1") = "9"
    & skf18("10","5","4","2","5","4","1") = "9"
    & skf18("10","5","4","2","5","5","1") = "9"
    & skf18("10","5","4","2","5","6","1") = "9"
    & skf18("10","5","4","2","5","7","1") = "9"
    & skf18("10","5","4","2","5","8","1") = "9"
    & skf18("10","5","4","2","5","9","1") = "9"
    & skf18("10","5","4","2","5","10","1") = "9"
    & skf18("10","5","4","2","6","1","1") = "9"
    & skf18("10","5","4","2","6","2","1") = "9"
    & skf18("10","5","4","2","6","3","1") = "9"
    & skf18("10","5","4","2","6","4","1") = "9"
    & skf18("10","5","4","2","6","5","1") = "9"
    & skf18("10","5","4","2","6","6","1") = "9"
    & skf18("10","5","4","2","6","7","1") = "9"
    & skf18("10","5","4","2","6","8","1") = "9"
    & skf18("10","5","4","2","6","9","1") = "9"
    & skf18("10","5","4","2","6","10","1") = "9"
    & skf18("10","5","4","2","7","1","1") = "9"
    & skf18("10","5","4","2","7","2","1") = "9"
    & skf18("10","5","4","2","7","3","1") = "9"
    & skf18("10","5","4","2","7","4","1") = "9"
    & skf18("10","5","4","2","7","5","1") = "9"
    & skf18("10","5","4","2","7","6","1") = "9"
    & skf18("10","5","4","2","7","7","1") = "9"
    & skf18("10","5","4","2","7","8","1") = "9"
    & skf18("10","5","4","2","7","9","1") = "9"
    & skf18("10","5","4","2","7","10","1") = "9"
    & skf18("10","5","4","2","8","1","1") = "9"
    & skf18("10","5","4","2","8","2","1") = "9"
    & skf18("10","5","4","2","8","3","1") = "9"
    & skf18("10","5","4","2","8","4","1") = "9"
    & skf18("10","5","4","2","8","5","1") = "9"
    & skf18("10","5","4","2","8","6","1") = "9"
    & skf18("10","5","4","2","8","7","1") = "9"
    & skf18("10","5","4","2","8","8","1") = "9"
    & skf18("10","5","4","2","8","9","1") = "9"
    & skf18("10","5","4","2","8","10","1") = "9"
    & skf18("10","5","4","2","9","1","1") = "9"
    & skf18("10","5","4","2","9","2","1") = "9"
    & skf18("10","5","4","2","9","3","1") = "9"
    & skf18("10","5","4","2","9","4","1") = "9"
    & skf18("10","5","4","2","9","5","1") = "9"
    & skf18("10","5","4","2","9","6","1") = "9"
    & skf18("10","5","4","2","9","7","1") = "9"
    & skf18("10","5","4","2","9","8","1") = "9"
    & skf18("10","5","4","2","9","9","1") = "9"
    & skf18("10","5","4","2","9","10","1") = "9"
    & skf18("10","5","4","2","10","1","1") = "9"
    & skf18("10","5","4","2","10","2","1") = "9"
    & skf18("10","5","4","2","10","3","1") = "9"
    & skf18("10","5","4","2","10","4","1") = "9"
    & skf18("10","5","4","2","10","5","1") = "9"
    & skf18("10","5","4","2","10","6","1") = "9"
    & skf18("10","5","4","2","10","7","1") = "9"
    & skf18("10","5","4","2","10","8","1") = "9"
    & skf18("10","5","4","2","10","9","1") = "9"
    & skf18("10","5","4","2","10","10","1") = "9"
    & skf18("10","5","4","3","1","1","1") = "9"
    & skf18("10","5","4","3","1","2","1") = "9"
    & skf18("10","5","4","3","1","3","1") = "9"
    & skf18("10","5","4","3","1","4","1") = "9"
    & skf18("10","5","4","3","1","5","1") = "9"
    & skf18("10","5","4","3","1","6","1") = "9"
    & skf18("10","5","4","3","1","7","1") = "9"
    & skf18("10","5","4","3","1","8","1") = "9"
    & skf18("10","5","4","3","1","9","1") = "9"
    & skf18("10","5","4","3","1","10","1") = "9"
    & skf18("10","5","4","3","2","1","1") = "9"
    & skf18("10","5","4","3","2","2","1") = "9"
    & skf18("10","5","4","3","2","3","1") = "9"
    & skf18("10","5","4","3","2","4","1") = "9"
    & skf18("10","5","4","3","2","5","1") = "9"
    & skf18("10","5","4","3","2","6","1") = "9"
    & skf18("10","5","4","3","2","7","1") = "9"
    & skf18("10","5","4","3","2","8","1") = "9"
    & skf18("10","5","4","3","2","9","1") = "9"
    & skf18("10","5","4","3","2","10","1") = "9"
    & skf18("10","5","4","3","3","1","1") = "9"
    & skf18("10","5","4","3","3","2","1") = "9"
    & skf18("10","5","4","3","3","3","1") = "9"
    & skf18("10","5","4","3","3","4","1") = "9"
    & skf18("10","5","4","3","3","5","1") = "9"
    & skf18("10","5","4","3","3","6","1") = "9"
    & skf18("10","5","4","3","3","7","1") = "9"
    & skf18("10","5","4","3","3","8","1") = "9"
    & skf18("10","5","4","3","3","9","1") = "9"
    & skf18("10","5","4","3","3","10","1") = "9"
    & skf18("10","5","4","3","4","1","1") = "9"
    & skf18("10","5","4","3","4","2","1") = "9"
    & skf18("10","5","4","3","4","3","1") = "9"
    & skf18("10","5","4","3","4","4","1") = "9"
    & skf18("10","5","4","3","4","5","1") = "9"
    & skf18("10","5","4","3","4","6","1") = "9"
    & skf18("10","5","4","3","4","7","1") = "9"
    & skf18("10","5","4","3","4","8","1") = "9"
    & skf18("10","5","4","3","4","9","1") = "9"
    & skf18("10","5","4","3","4","10","1") = "9"
    & skf18("10","5","4","3","5","1","1") = "9"
    & skf18("10","5","4","3","5","2","1") = "9"
    & skf18("10","5","4","3","5","3","1") = "9"
    & skf18("10","5","4","3","5","4","1") = "9"
    & skf18("10","5","4","3","5","5","1") = "9"
    & skf18("10","5","4","3","5","6","1") = "9"
    & skf18("10","5","4","3","5","7","1") = "9"
    & skf18("10","5","4","3","5","8","1") = "9"
    & skf18("10","5","4","3","5","9","1") = "9"
    & skf18("10","5","4","3","5","10","1") = "9"
    & skf18("10","5","4","3","6","1","1") = "9"
    & skf18("10","5","4","3","6","2","1") = "9"
    & skf18("10","5","4","3","6","3","1") = "9"
    & skf18("10","5","4","3","6","4","1") = "9"
    & skf18("10","5","4","3","6","5","1") = "9"
    & skf18("10","5","4","3","6","6","1") = "9"
    & skf18("10","5","4","3","6","7","1") = "9"
    & skf18("10","5","4","3","6","8","1") = "9"
    & skf18("10","5","4","3","6","9","1") = "9"
    & skf18("10","5","4","3","6","10","1") = "9"
    & skf18("10","5","4","3","7","1","1") = "9"
    & skf18("10","5","4","3","7","2","1") = "9"
    & skf18("10","5","4","3","7","3","1") = "9"
    & skf18("10","5","4","3","7","4","1") = "9"
    & skf18("10","5","4","3","7","5","1") = "9"
    & skf18("10","5","4","3","7","6","1") = "9"
    & skf18("10","5","4","3","7","7","1") = "9"
    & skf18("10","5","4","3","7","8","1") = "9"
    & skf18("10","5","4","3","7","9","1") = "9"
    & skf18("10","5","4","3","7","10","1") = "9"
    & skf18("10","5","4","3","8","1","1") = "9"
    & skf18("10","5","4","3","8","2","1") = "9"
    & skf18("10","5","4","3","8","3","1") = "9"
    & skf18("10","5","4","3","8","4","1") = "9"
    & skf18("10","5","4","3","8","5","1") = "9"
    & skf18("10","5","4","3","8","6","1") = "9"
    & skf18("10","5","4","3","8","7","1") = "9"
    & skf18("10","5","4","3","8","8","1") = "9"
    & skf18("10","5","4","3","8","9","1") = "9"
    & skf18("10","5","4","3","8","10","1") = "9"
    & skf18("10","5","4","3","9","1","1") = "9"
    & skf18("10","5","4","3","9","2","1") = "9"
    & skf18("10","5","4","3","9","3","1") = "9"
    & skf18("10","5","4","3","9","4","1") = "9"
    & skf18("10","5","4","3","9","5","1") = "9"
    & skf18("10","5","4","3","9","6","1") = "9"
    & skf18("10","5","4","3","9","7","1") = "9"
    & skf18("10","5","4","3","9","8","1") = "9"
    & skf18("10","5","4","3","9","9","1") = "9"
    & skf18("10","5","4","3","9","10","1") = "9"
    & skf18("10","5","4","3","10","1","1") = "9"
    & skf18("10","5","4","3","10","2","1") = "9"
    & skf18("10","5","4","3","10","3","1") = "9"
    & skf18("10","5","4","3","10","4","1") = "9"
    & skf18("10","5","4","3","10","5","1") = "9"
    & skf18("10","5","4","3","10","6","1") = "9"
    & skf18("10","5","4","3","10","7","1") = "9"
    & skf18("10","5","4","3","10","8","1") = "9"
    & skf18("10","5","4","3","10","9","1") = "9"
    & skf18("10","5","4","3","10","10","1") = "9"
    & skf18("10","5","4","4","1","1","1") = "9"
    & skf18("10","5","4","4","1","2","1") = "9"
    & skf18("10","5","4","4","1","3","1") = "9"
    & skf18("10","5","4","4","1","4","1") = "9"
    & skf18("10","5","4","4","1","5","1") = "9"
    & skf18("10","5","4","4","1","6","1") = "9"
    & skf18("10","5","4","4","1","7","1") = "9"
    & skf18("10","5","4","4","1","8","1") = "9"
    & skf18("10","5","4","4","1","9","1") = "9"
    & skf18("10","5","4","4","1","10","1") = "9"
    & skf18("10","5","4","4","2","1","1") = "9"
    & skf18("10","5","4","4","2","2","1") = "9"
    & skf18("10","5","4","4","2","3","1") = "9"
    & skf18("10","5","4","4","2","4","1") = "9"
    & skf18("10","5","4","4","2","5","1") = "9"
    & skf18("10","5","4","4","2","6","1") = "9"
    & skf18("10","5","4","4","2","7","1") = "9"
    & skf18("10","5","4","4","2","8","1") = "9"
    & skf18("10","5","4","4","2","9","1") = "9"
    & skf18("10","5","4","4","2","10","1") = "9"
    & skf18("10","5","4","4","3","1","1") = "9"
    & skf18("10","5","4","4","3","2","1") = "9"
    & skf18("10","5","4","4","3","3","1") = "9"
    & skf18("10","5","4","4","3","4","1") = "9"
    & skf18("10","5","4","4","3","5","1") = "9"
    & skf18("10","5","4","4","3","6","1") = "9"
    & skf18("10","5","4","4","3","7","1") = "9"
    & skf18("10","5","4","4","3","8","1") = "9"
    & skf18("10","5","4","4","3","9","1") = "9"
    & skf18("10","5","4","4","3","10","1") = "9"
    & skf18("10","5","4","4","4","1","1") = "9"
    & skf18("10","5","4","4","4","2","1") = "9"
    & skf18("10","5","4","4","4","3","1") = "9"
    & skf18("10","5","4","4","4","4","1") = "9"
    & skf18("10","5","4","4","4","5","1") = "9"
    & skf18("10","5","4","4","4","6","1") = "9"
    & skf18("10","5","4","4","4","7","1") = "9"
    & skf18("10","5","4","4","4","8","1") = "9"
    & skf18("10","5","4","4","4","9","1") = "9"
    & skf18("10","5","4","4","4","10","1") = "9"
    & skf18("10","5","4","4","5","1","1") = "9"
    & skf18("10","5","4","4","5","2","1") = "9"
    & skf18("10","5","4","4","5","3","1") = "9"
    & skf18("10","5","4","4","5","4","1") = "9"
    & skf18("10","5","4","4","5","5","1") = "9"
    & skf18("10","5","4","4","5","6","1") = "9"
    & skf18("10","5","4","4","5","7","1") = "9"
    & skf18("10","5","4","4","5","8","1") = "9"
    & skf18("10","5","4","4","5","9","1") = "9"
    & skf18("10","5","4","4","5","10","1") = "9"
    & skf18("10","5","4","4","6","1","1") = "9"
    & skf18("10","5","4","4","6","2","1") = "9"
    & skf18("10","5","4","4","6","3","1") = "9"
    & skf18("10","5","4","4","6","4","1") = "9"
    & skf18("10","5","4","4","6","5","1") = "9"
    & skf18("10","5","4","4","6","6","1") = "9"
    & skf18("10","5","4","4","6","7","1") = "9"
    & skf18("10","5","4","4","6","8","1") = "9"
    & skf18("10","5","4","4","6","9","1") = "9"
    & skf18("10","5","4","4","6","10","1") = "9"
    & skf18("10","5","4","4","7","1","1") = "9"
    & skf18("10","5","4","4","7","2","1") = "9"
    & skf18("10","5","4","4","7","3","1") = "9"
    & skf18("10","5","4","4","7","4","1") = "9"
    & skf18("10","5","4","4","7","5","1") = "9"
    & skf18("10","5","4","4","7","6","1") = "9"
    & skf18("10","5","4","4","7","7","1") = "9"
    & skf18("10","5","4","4","7","8","1") = "9"
    & skf18("10","5","4","4","7","9","1") = "9"
    & skf18("10","5","4","4","7","10","1") = "9"
    & skf18("10","5","4","4","8","1","1") = "9"
    & skf18("10","5","4","4","8","2","1") = "9"
    & skf18("10","5","4","4","8","3","1") = "9"
    & skf18("10","5","4","4","8","4","1") = "9"
    & skf18("10","5","4","4","8","5","1") = "9"
    & skf18("10","5","4","4","8","6","1") = "9"
    & skf18("10","5","4","4","8","7","1") = "9"
    & skf18("10","5","4","4","8","8","1") = "9"
    & skf18("10","5","4","4","8","9","1") = "9"
    & skf18("10","5","4","4","8","10","1") = "9"
    & skf18("10","5","4","4","9","1","1") = "9"
    & skf18("10","5","4","4","9","2","1") = "9"
    & skf18("10","5","4","4","9","3","1") = "9"
    & skf18("10","5","4","4","9","4","1") = "9"
    & skf18("10","5","4","4","9","5","1") = "9"
    & skf18("10","5","4","4","9","6","1") = "9"
    & skf18("10","5","4","4","9","7","1") = "9"
    & skf18("10","5","4","4","9","8","1") = "9"
    & skf18("10","5","4","4","9","9","1") = "9"
    & skf18("10","5","4","4","9","10","1") = "9"
    & skf18("10","5","4","4","10","1","1") = "9"
    & skf18("10","5","4","4","10","2","1") = "9"
    & skf18("10","5","4","4","10","3","1") = "9"
    & skf18("10","5","4","4","10","4","1") = "9"
    & skf18("10","5","4","4","10","5","1") = "9"
    & skf18("10","5","4","4","10","6","1") = "9"
    & skf18("10","5","4","4","10","7","1") = "9"
    & skf18("10","5","4","4","10","8","1") = "9"
    & skf18("10","5","4","4","10","9","1") = "9"
    & skf18("10","5","4","4","10","10","1") = "9"
    & skf18("10","5","4","5","1","1","1") = "9"
    & skf18("10","5","4","5","1","2","1") = "9"
    & skf18("10","5","4","5","1","3","1") = "9"
    & skf18("10","5","4","5","1","4","1") = "9"
    & skf18("10","5","4","5","1","5","1") = "9"
    & skf18("10","5","4","5","1","6","1") = "9"
    & skf18("10","5","4","5","1","7","1") = "9"
    & skf18("10","5","4","5","1","8","1") = "9"
    & skf18("10","5","4","5","1","9","1") = "9"
    & skf18("10","5","4","5","1","10","1") = "9"
    & skf18("10","5","4","5","2","1","1") = "9"
    & skf18("10","5","4","5","2","2","1") = "9"
    & skf18("10","5","4","5","2","3","1") = "9"
    & skf18("10","5","4","5","2","4","1") = "9"
    & skf18("10","5","4","5","2","5","1") = "9"
    & skf18("10","5","4","5","2","6","1") = "9"
    & skf18("10","5","4","5","2","7","1") = "9"
    & skf18("10","5","4","5","2","8","1") = "9"
    & skf18("10","5","4","5","2","9","1") = "9"
    & skf18("10","5","4","5","2","10","1") = "9"
    & skf18("10","5","4","5","3","1","1") = "9"
    & skf18("10","5","4","5","3","2","1") = "9"
    & skf18("10","5","4","5","3","3","1") = "9"
    & skf18("10","5","4","5","3","4","1") = "9"
    & skf18("10","5","4","5","3","5","1") = "9"
    & skf18("10","5","4","5","3","6","1") = "9"
    & skf18("10","5","4","5","3","7","1") = "9"
    & skf18("10","5","4","5","3","8","1") = "9"
    & skf18("10","5","4","5","3","9","1") = "9"
    & skf18("10","5","4","5","3","10","1") = "9"
    & skf18("10","5","4","5","4","1","1") = "9"
    & skf18("10","5","4","5","4","2","1") = "9"
    & skf18("10","5","4","5","4","3","1") = "9"
    & skf18("10","5","4","5","4","4","1") = "9"
    & skf18("10","5","4","5","4","5","1") = "9"
    & skf18("10","5","4","5","4","6","1") = "9"
    & skf18("10","5","4","5","4","7","1") = "9"
    & skf18("10","5","4","5","4","8","1") = "9"
    & skf18("10","5","4","5","4","9","1") = "9"
    & skf18("10","5","4","5","4","10","1") = "9"
    & skf18("10","5","4","5","5","1","1") = "9"
    & skf18("10","5","4","5","5","2","1") = "9"
    & skf18("10","5","4","5","5","3","1") = "9"
    & skf18("10","5","4","5","5","4","1") = "9"
    & skf18("10","5","4","5","5","5","1") = "9"
    & skf18("10","5","4","5","5","6","1") = "9"
    & skf18("10","5","4","5","5","7","1") = "9"
    & skf18("10","5","4","5","5","8","1") = "9"
    & skf18("10","5","4","5","5","9","1") = "9"
    & skf18("10","5","4","5","5","10","1") = "9"
    & skf18("10","5","4","5","6","1","1") = "9"
    & skf18("10","5","4","5","6","2","1") = "9"
    & skf18("10","5","4","5","6","3","1") = "9"
    & skf18("10","5","4","5","6","4","1") = "9"
    & skf18("10","5","4","5","6","5","1") = "9"
    & skf18("10","5","4","5","6","6","1") = "9"
    & skf18("10","5","4","5","6","7","1") = "9"
    & skf18("10","5","4","5","6","8","1") = "9"
    & skf18("10","5","4","5","6","9","1") = "9"
    & skf18("10","5","4","5","6","10","1") = "9"
    & skf18("10","5","4","5","7","1","1") = "9"
    & skf18("10","5","4","5","7","2","1") = "9"
    & skf18("10","5","4","5","7","3","1") = "9"
    & skf18("10","5","4","5","7","4","1") = "9"
    & skf18("10","5","4","5","7","5","1") = "9"
    & skf18("10","5","4","5","7","6","1") = "9"
    & skf18("10","5","4","5","7","7","1") = "9"
    & skf18("10","5","4","5","7","8","1") = "9"
    & skf18("10","5","4","5","7","9","1") = "9"
    & skf18("10","5","4","5","7","10","1") = "9"
    & skf18("10","5","4","5","8","1","1") = "9"
    & skf18("10","5","4","5","8","2","1") = "9"
    & skf18("10","5","4","5","8","3","1") = "9"
    & skf18("10","5","4","5","8","4","1") = "9"
    & skf18("10","5","4","5","8","5","1") = "9"
    & skf18("10","5","4","5","8","6","1") = "9"
    & skf18("10","5","4","5","8","7","1") = "9"
    & skf18("10","5","4","5","8","8","1") = "9"
    & skf18("10","5","4","5","8","9","1") = "9"
    & skf18("10","5","4","5","8","10","1") = "9"
    & skf18("10","5","4","5","9","1","1") = "9"
    & skf18("10","5","4","5","9","2","1") = "9"
    & skf18("10","5","4","5","9","3","1") = "9"
    & skf18("10","5","4","5","9","4","1") = "9"
    & skf18("10","5","4","5","9","5","1") = "9"
    & skf18("10","5","4","5","9","6","1") = "9"
    & skf18("10","5","4","5","9","7","1") = "9"
    & skf18("10","5","4","5","9","8","1") = "9"
    & skf18("10","5","4","5","9","9","1") = "9"
    & skf18("10","5","4","5","9","10","1") = "9"
    & skf18("10","5","4","5","10","1","1") = "9"
    & skf18("10","5","4","5","10","2","1") = "9"
    & skf18("10","5","4","5","10","3","1") = "9"
    & skf18("10","5","4","5","10","4","1") = "9"
    & skf18("10","5","4","5","10","5","1") = "9"
    & skf18("10","5","4","5","10","6","1") = "9"
    & skf18("10","5","4","5","10","7","1") = "9"
    & skf18("10","5","4","5","10","8","1") = "9"
    & skf18("10","5","4","5","10","9","1") = "9"
    & skf18("10","5","4","5","10","10","1") = "9"
    & skf18("10","5","4","6","1","1","1") = "9"
    & skf18("10","5","4","6","1","2","1") = "9"
    & skf18("10","5","4","6","1","3","1") = "9"
    & skf18("10","5","4","6","1","4","1") = "9"
    & skf18("10","5","4","6","1","5","1") = "9"
    & skf18("10","5","4","6","1","6","1") = "9"
    & skf18("10","5","4","6","1","7","1") = "9"
    & skf18("10","5","4","6","1","8","1") = "9"
    & skf18("10","5","4","6","1","9","1") = "9"
    & skf18("10","5","4","6","1","10","1") = "9"
    & skf18("10","5","4","6","2","1","1") = "9"
    & skf18("10","5","4","6","2","2","1") = "9"
    & skf18("10","5","4","6","2","3","1") = "9"
    & skf18("10","5","4","6","2","4","1") = "9"
    & skf18("10","5","4","6","2","5","1") = "9"
    & skf18("10","5","4","6","2","6","1") = "9"
    & skf18("10","5","4","6","2","7","1") = "9"
    & skf18("10","5","4","6","2","8","1") = "9"
    & skf18("10","5","4","6","2","9","1") = "9"
    & skf18("10","5","4","6","2","10","1") = "9"
    & skf18("10","5","4","6","3","1","1") = "9"
    & skf18("10","5","4","6","3","2","1") = "9"
    & skf18("10","5","4","6","3","3","1") = "9"
    & skf18("10","5","4","6","3","4","1") = "9"
    & skf18("10","5","4","6","3","5","1") = "9"
    & skf18("10","5","4","6","3","6","1") = "9"
    & skf18("10","5","4","6","3","7","1") = "9"
    & skf18("10","5","4","6","3","8","1") = "9"
    & skf18("10","5","4","6","3","9","1") = "9"
    & skf18("10","5","4","6","3","10","1") = "9"
    & skf18("10","5","4","6","4","1","1") = "9"
    & skf18("10","5","4","6","4","2","1") = "9"
    & skf18("10","5","4","6","4","3","1") = "9"
    & skf18("10","5","4","6","4","4","1") = "9"
    & skf18("10","5","4","6","4","5","1") = "9"
    & skf18("10","5","4","6","4","6","1") = "9"
    & skf18("10","5","4","6","4","7","1") = "9"
    & skf18("10","5","4","6","4","8","1") = "9"
    & skf18("10","5","4","6","4","9","1") = "9"
    & skf18("10","5","4","6","4","10","1") = "9"
    & skf18("10","5","4","6","5","1","1") = "9"
    & skf18("10","5","4","6","5","2","1") = "9"
    & skf18("10","5","4","6","5","3","1") = "9"
    & skf18("10","5","4","6","5","4","1") = "9"
    & skf18("10","5","4","6","5","5","1") = "9"
    & skf18("10","5","4","6","5","6","1") = "9"
    & skf18("10","5","4","6","5","7","1") = "9"
    & skf18("10","5","4","6","5","8","1") = "9"
    & skf18("10","5","4","6","5","9","1") = "9"
    & skf18("10","5","4","6","5","10","1") = "9"
    & skf18("10","5","4","6","6","1","1") = "9"
    & skf18("10","5","4","6","6","2","1") = "9"
    & skf18("10","5","4","6","6","3","1") = "9"
    & skf18("10","5","4","6","6","4","1") = "9"
    & skf18("10","5","4","6","6","5","1") = "9"
    & skf18("10","5","4","6","6","6","1") = "9"
    & skf18("10","5","4","6","6","7","1") = "9"
    & skf18("10","5","4","6","6","8","1") = "9"
    & skf18("10","5","4","6","6","9","1") = "9"
    & skf18("10","5","4","6","6","10","1") = "9"
    & skf18("10","5","4","6","7","1","1") = "9"
    & skf18("10","5","4","6","7","2","1") = "9"
    & skf18("10","5","4","6","7","3","1") = "9"
    & skf18("10","5","4","6","7","4","1") = "9"
    & skf18("10","5","4","6","7","5","1") = "9"
    & skf18("10","5","4","6","7","6","1") = "9"
    & skf18("10","5","4","6","7","7","1") = "9"
    & skf18("10","5","4","6","7","8","1") = "9"
    & skf18("10","5","4","6","7","9","1") = "9"
    & skf18("10","5","4","6","7","10","1") = "9"
    & skf18("10","5","4","6","8","1","1") = "9"
    & skf18("10","5","4","6","8","2","1") = "9"
    & skf18("10","5","4","6","8","3","1") = "9"
    & skf18("10","5","4","6","8","4","1") = "9"
    & skf18("10","5","4","6","8","5","1") = "9"
    & skf18("10","5","4","6","8","6","1") = "9"
    & skf18("10","5","4","6","8","7","1") = "9"
    & skf18("10","5","4","6","8","8","1") = "9"
    & skf18("10","5","4","6","8","9","1") = "9"
    & skf18("10","5","4","6","8","10","1") = "9"
    & skf18("10","5","4","6","9","1","1") = "9"
    & skf18("10","5","4","6","9","2","1") = "9"
    & skf18("10","5","4","6","9","3","1") = "9"
    & skf18("10","5","4","6","9","4","1") = "9"
    & skf18("10","5","4","6","9","5","1") = "9"
    & skf18("10","5","4","6","9","6","1") = "9"
    & skf18("10","5","4","6","9","7","1") = "9"
    & skf18("10","5","4","6","9","8","1") = "9"
    & skf18("10","5","4","6","9","9","1") = "9"
    & skf18("10","5","4","6","9","10","1") = "9"
    & skf18("10","5","4","6","10","1","1") = "9"
    & skf18("10","5","4","6","10","2","1") = "9"
    & skf18("10","5","4","6","10","3","1") = "9"
    & skf18("10","5","4","6","10","4","1") = "9"
    & skf18("10","5","4","6","10","5","1") = "9"
    & skf18("10","5","4","6","10","6","1") = "9"
    & skf18("10","5","4","6","10","7","1") = "9"
    & skf18("10","5","4","6","10","8","1") = "9"
    & skf18("10","5","4","6","10","9","1") = "9"
    & skf18("10","5","4","6","10","10","1") = "9"
    & skf18("10","5","4","7","1","1","1") = "9"
    & skf18("10","5","4","7","1","2","1") = "9"
    & skf18("10","5","4","7","1","3","1") = "9"
    & skf18("10","5","4","7","1","4","1") = "9"
    & skf18("10","5","4","7","1","5","1") = "9"
    & skf18("10","5","4","7","1","6","1") = "9"
    & skf18("10","5","4","7","1","7","1") = "9"
    & skf18("10","5","4","7","1","8","1") = "9"
    & skf18("10","5","4","7","1","9","1") = "9"
    & skf18("10","5","4","7","1","10","1") = "9"
    & skf18("10","5","4","7","2","1","1") = "9"
    & skf18("10","5","4","7","2","2","1") = "9"
    & skf18("10","5","4","7","2","3","1") = "9"
    & skf18("10","5","4","7","2","4","1") = "9"
    & skf18("10","5","4","7","2","5","1") = "9"
    & skf18("10","5","4","7","2","6","1") = "9"
    & skf18("10","5","4","7","2","7","1") = "9"
    & skf18("10","5","4","7","2","8","1") = "9"
    & skf18("10","5","4","7","2","9","1") = "9"
    & skf18("10","5","4","7","2","10","1") = "9"
    & skf18("10","5","4","7","3","1","1") = "9"
    & skf18("10","5","4","7","3","2","1") = "9"
    & skf18("10","5","4","7","3","3","1") = "9"
    & skf18("10","5","4","7","3","4","1") = "9"
    & skf18("10","5","4","7","3","5","1") = "9"
    & skf18("10","5","4","7","3","6","1") = "9"
    & skf18("10","5","4","7","3","7","1") = "9"
    & skf18("10","5","4","7","3","8","1") = "9"
    & skf18("10","5","4","7","3","9","1") = "9"
    & skf18("10","5","4","7","3","10","1") = "9"
    & skf18("10","5","4","7","4","1","1") = "9"
    & skf18("10","5","4","7","4","2","1") = "9"
    & skf18("10","5","4","7","4","3","1") = "9"
    & skf18("10","5","4","7","4","4","1") = "9"
    & skf18("10","5","4","7","4","5","1") = "9"
    & skf18("10","5","4","7","4","6","1") = "9"
    & skf18("10","5","4","7","4","7","1") = "9"
    & skf18("10","5","4","7","4","8","1") = "9"
    & skf18("10","5","4","7","4","9","1") = "9"
    & skf18("10","5","4","7","4","10","1") = "9"
    & skf18("10","5","4","7","5","1","1") = "9"
    & skf18("10","5","4","7","5","2","1") = "9"
    & skf18("10","5","4","7","5","3","1") = "9"
    & skf18("10","5","4","7","5","4","1") = "9"
    & skf18("10","5","4","7","5","5","1") = "9"
    & skf18("10","5","4","7","5","6","1") = "9"
    & skf18("10","5","4","7","5","7","1") = "9"
    & skf18("10","5","4","7","5","8","1") = "9"
    & skf18("10","5","4","7","5","9","1") = "9"
    & skf18("10","5","4","7","5","10","1") = "9"
    & skf18("10","5","4","7","6","1","1") = "9"
    & skf18("10","5","4","7","6","2","1") = "9"
    & skf18("10","5","4","7","6","3","1") = "9"
    & skf18("10","5","4","7","6","4","1") = "9"
    & skf18("10","5","4","7","6","5","1") = "9"
    & skf18("10","5","4","7","6","6","1") = "9"
    & skf18("10","5","4","7","6","7","1") = "9"
    & skf18("10","5","4","7","6","8","1") = "9"
    & skf18("10","5","4","7","6","9","1") = "9"
    & skf18("10","5","4","7","6","10","1") = "9"
    & skf18("10","5","4","7","7","1","1") = "9"
    & skf18("10","5","4","7","7","2","1") = "9"
    & skf18("10","5","4","7","7","3","1") = "9"
    & skf18("10","5","4","7","7","4","1") = "9"
    & skf18("10","5","4","7","7","5","1") = "9"
    & skf18("10","5","4","7","7","6","1") = "9"
    & skf18("10","5","4","7","7","7","1") = "9"
    & skf18("10","5","4","7","7","8","1") = "9"
    & skf18("10","5","4","7","7","9","1") = "9"
    & skf18("10","5","4","7","7","10","1") = "9"
    & skf18("10","5","4","7","8","1","1") = "9"
    & skf18("10","5","4","7","8","2","1") = "9"
    & skf18("10","5","4","7","8","3","1") = "9"
    & skf18("10","5","4","7","8","4","1") = "9"
    & skf18("10","5","4","7","8","5","1") = "9"
    & skf18("10","5","4","7","8","6","1") = "9"
    & skf18("10","5","4","7","8","7","1") = "9"
    & skf18("10","5","4","7","8","8","1") = "9"
    & skf18("10","5","4","7","8","9","1") = "9"
    & skf18("10","5","4","7","8","10","1") = "9"
    & skf18("10","5","4","7","9","1","1") = "9"
    & skf18("10","5","4","7","9","2","1") = "9"
    & skf18("10","5","4","7","9","3","1") = "9"
    & skf18("10","5","4","7","9","4","1") = "9"
    & skf18("10","5","4","7","9","5","1") = "9"
    & skf18("10","5","4","7","9","6","1") = "9"
    & skf18("10","5","4","7","9","7","1") = "9"
    & skf18("10","5","4","7","9","8","1") = "9"
    & skf18("10","5","4","7","9","9","1") = "9"
    & skf18("10","5","4","7","9","10","1") = "9"
    & skf18("10","5","4","7","10","1","1") = "9"
    & skf18("10","5","4","7","10","2","1") = "9"
    & skf18("10","5","4","7","10","3","1") = "9"
    & skf18("10","5","4","7","10","4","1") = "9"
    & skf18("10","5","4","7","10","5","1") = "9"
    & skf18("10","5","4","7","10","6","1") = "9"
    & skf18("10","5","4","7","10","7","1") = "9"
    & skf18("10","5","4","7","10","8","1") = "9"
    & skf18("10","5","4","7","10","9","1") = "9"
    & skf18("10","5","4","7","10","10","1") = "9"
    & skf18("10","5","4","8","1","1","1") = "9"
    & skf18("10","5","4","8","1","2","1") = "9"
    & skf18("10","5","4","8","1","3","1") = "9"
    & skf18("10","5","4","8","1","4","1") = "9"
    & skf18("10","5","4","8","1","5","1") = "9"
    & skf18("10","5","4","8","1","6","1") = "9"
    & skf18("10","5","4","8","1","7","1") = "9"
    & skf18("10","5","4","8","1","8","1") = "9"
    & skf18("10","5","4","8","1","9","1") = "9"
    & skf18("10","5","4","8","1","10","1") = "9"
    & skf18("10","5","4","8","2","1","1") = "9"
    & skf18("10","5","4","8","2","2","1") = "9"
    & skf18("10","5","4","8","2","3","1") = "9"
    & skf18("10","5","4","8","2","4","1") = "9"
    & skf18("10","5","4","8","2","5","1") = "9"
    & skf18("10","5","4","8","2","6","1") = "9"
    & skf18("10","5","4","8","2","7","1") = "9"
    & skf18("10","5","4","8","2","8","1") = "9"
    & skf18("10","5","4","8","2","9","1") = "9"
    & skf18("10","5","4","8","2","10","1") = "9"
    & skf18("10","5","4","8","3","1","1") = "9"
    & skf18("10","5","4","8","3","2","1") = "9"
    & skf18("10","5","4","8","3","3","1") = "9"
    & skf18("10","5","4","8","3","4","1") = "9"
    & skf18("10","5","4","8","3","5","1") = "9"
    & skf18("10","5","4","8","3","6","1") = "9"
    & skf18("10","5","4","8","3","7","1") = "9"
    & skf18("10","5","4","8","3","8","1") = "9"
    & skf18("10","5","4","8","3","9","1") = "9"
    & skf18("10","5","4","8","3","10","1") = "9"
    & skf18("10","5","4","8","4","1","1") = "9"
    & skf18("10","5","4","8","4","2","1") = "9"
    & skf18("10","5","4","8","4","3","1") = "9"
    & skf18("10","5","4","8","4","4","1") = "9"
    & skf18("10","5","4","8","4","5","1") = "9"
    & skf18("10","5","4","8","4","6","1") = "9"
    & skf18("10","5","4","8","4","7","1") = "9"
    & skf18("10","5","4","8","4","8","1") = "9"
    & skf18("10","5","4","8","4","9","1") = "9"
    & skf18("10","5","4","8","4","10","1") = "9"
    & skf18("10","5","4","8","5","1","1") = "9"
    & skf18("10","5","4","8","5","2","1") = "9"
    & skf18("10","5","4","8","5","3","1") = "9"
    & skf18("10","5","4","8","5","4","1") = "9"
    & skf18("10","5","4","8","5","5","1") = "9"
    & skf18("10","5","4","8","5","6","1") = "9"
    & skf18("10","5","4","8","5","7","1") = "9"
    & skf18("10","5","4","8","5","8","1") = "9"
    & skf18("10","5","4","8","5","9","1") = "9"
    & skf18("10","5","4","8","5","10","1") = "9"
    & skf18("10","5","4","8","6","1","1") = "9"
    & skf18("10","5","4","8","6","2","1") = "9"
    & skf18("10","5","4","8","6","3","1") = "9"
    & skf18("10","5","4","8","6","4","1") = "9"
    & skf18("10","5","4","8","6","5","1") = "9"
    & skf18("10","5","4","8","6","6","1") = "9"
    & skf18("10","5","4","8","6","7","1") = "9"
    & skf18("10","5","4","8","6","8","1") = "9"
    & skf18("10","5","4","8","6","9","1") = "9"
    & skf18("10","5","4","8","6","10","1") = "9"
    & skf18("10","5","4","8","7","1","1") = "9"
    & skf18("10","5","4","8","7","2","1") = "9"
    & skf18("10","5","4","8","7","3","1") = "9"
    & skf18("10","5","4","8","7","4","1") = "9"
    & skf18("10","5","4","8","7","5","1") = "9"
    & skf18("10","5","4","8","7","6","1") = "9"
    & skf18("10","5","4","8","7","7","1") = "9"
    & skf18("10","5","4","8","7","8","1") = "9"
    & skf18("10","5","4","8","7","9","1") = "9"
    & skf18("10","5","4","8","7","10","1") = "9"
    & skf18("10","5","4","8","8","1","1") = "9"
    & skf18("10","5","4","8","8","2","1") = "9"
    & skf18("10","5","4","8","8","3","1") = "9"
    & skf18("10","5","4","8","8","4","1") = "9"
    & skf18("10","5","4","8","8","5","1") = "9"
    & skf18("10","5","4","8","8","6","1") = "9"
    & skf18("10","5","4","8","8","7","1") = "9"
    & skf18("10","5","4","8","8","8","1") = "9"
    & skf18("10","5","4","8","8","9","1") = "9"
    & skf18("10","5","4","8","8","10","1") = "9"
    & skf18("10","5","4","8","9","1","1") = "9"
    & skf18("10","5","4","8","9","2","1") = "9"
    & skf18("10","5","4","8","9","3","1") = "9"
    & skf18("10","5","4","8","9","4","1") = "9"
    & skf18("10","5","4","8","9","5","1") = "9"
    & skf18("10","5","4","8","9","6","1") = "9"
    & skf18("10","5","4","8","9","7","1") = "9"
    & skf18("10","5","4","8","9","8","1") = "9"
    & skf18("10","5","4","8","9","9","1") = "9"
    & skf18("10","5","4","8","9","10","1") = "9"
    & skf18("10","5","4","8","10","1","1") = "9"
    & skf18("10","5","4","8","10","2","1") = "9"
    & skf18("10","5","4","8","10","3","1") = "9"
    & skf18("10","5","4","8","10","4","1") = "9"
    & skf18("10","5","4","8","10","5","1") = "9"
    & skf18("10","5","4","8","10","6","1") = "9"
    & skf18("10","5","4","8","10","7","1") = "9"
    & skf18("10","5","4","8","10","8","1") = "9"
    & skf18("10","5","4","8","10","9","1") = "9"
    & skf18("10","5","4","8","10","10","1") = "9"
    & skf18("10","5","4","9","1","1","1") = "9"
    & skf18("10","5","4","9","1","2","1") = "9"
    & skf18("10","5","4","9","1","3","1") = "9"
    & skf18("10","5","4","9","1","4","1") = "9"
    & skf18("10","5","4","9","1","5","1") = "9"
    & skf18("10","5","4","9","1","6","1") = "9"
    & skf18("10","5","4","9","1","7","1") = "9"
    & skf18("10","5","4","9","1","8","1") = "9"
    & skf18("10","5","4","9","1","9","1") = "9"
    & skf18("10","5","4","9","1","10","1") = "9"
    & skf18("10","5","4","9","2","1","1") = "9"
    & skf18("10","5","4","9","2","2","1") = "9"
    & skf18("10","5","4","9","2","3","1") = "9"
    & skf18("10","5","4","9","2","4","1") = "9"
    & skf18("10","5","4","9","2","5","1") = "9"
    & skf18("10","5","4","9","2","6","1") = "9"
    & skf18("10","5","4","9","2","7","1") = "9"
    & skf18("10","5","4","9","2","8","1") = "9"
    & skf18("10","5","4","9","2","9","1") = "9"
    & skf18("10","5","4","9","2","10","1") = "9"
    & skf18("10","5","4","9","3","1","1") = "9"
    & skf18("10","5","4","9","3","2","1") = "9"
    & skf18("10","5","4","9","3","3","1") = "9"
    & skf18("10","5","4","9","3","4","1") = "9"
    & skf18("10","5","4","9","3","5","1") = "9"
    & skf18("10","5","4","9","3","6","1") = "9"
    & skf18("10","5","4","9","3","7","1") = "9"
    & skf18("10","5","4","9","3","8","1") = "9"
    & skf18("10","5","4","9","3","9","1") = "9"
    & skf18("10","5","4","9","3","10","1") = "9"
    & skf18("10","5","4","9","4","1","1") = "9"
    & skf18("10","5","4","9","4","2","1") = "9"
    & skf18("10","5","4","9","4","3","1") = "9"
    & skf18("10","5","4","9","4","4","1") = "9"
    & skf18("10","5","4","9","4","5","1") = "9"
    & skf18("10","5","4","9","4","6","1") = "9"
    & skf18("10","5","4","9","4","7","1") = "9"
    & skf18("10","5","4","9","4","8","1") = "9"
    & skf18("10","5","4","9","4","9","1") = "9"
    & skf18("10","5","4","9","4","10","1") = "9"
    & skf18("10","5","4","9","5","1","1") = "9"
    & skf18("10","5","4","9","5","2","1") = "9"
    & skf18("10","5","4","9","5","3","1") = "9"
    & skf18("10","5","4","9","5","4","1") = "9"
    & skf18("10","5","4","9","5","5","1") = "9"
    & skf18("10","5","4","9","5","6","1") = "9"
    & skf18("10","5","4","9","5","7","1") = "9"
    & skf18("10","5","4","9","5","8","1") = "9"
    & skf18("10","5","4","9","5","9","1") = "9"
    & skf18("10","5","4","9","5","10","1") = "9"
    & skf18("10","5","4","9","6","1","1") = "9"
    & skf18("10","5","4","9","6","2","1") = "9"
    & skf18("10","5","4","9","6","3","1") = "9"
    & skf18("10","5","4","9","6","4","1") = "9"
    & skf18("10","5","4","9","6","5","1") = "9"
    & skf18("10","5","4","9","6","6","1") = "9"
    & skf18("10","5","4","9","6","7","1") = "9"
    & skf18("10","5","4","9","6","8","1") = "9"
    & skf18("10","5","4","9","6","9","1") = "9"
    & skf18("10","5","4","9","6","10","1") = "9"
    & skf18("10","5","4","9","7","1","1") = "9"
    & skf18("10","5","4","9","7","2","1") = "9"
    & skf18("10","5","4","9","7","3","1") = "9"
    & skf18("10","5","4","9","7","4","1") = "9"
    & skf18("10","5","4","9","7","5","1") = "9"
    & skf18("10","5","4","9","7","6","1") = "9"
    & skf18("10","5","4","9","7","7","1") = "9"
    & skf18("10","5","4","9","7","8","1") = "9"
    & skf18("10","5","4","9","7","9","1") = "9"
    & skf18("10","5","4","9","7","10","1") = "9"
    & skf18("10","5","4","9","8","1","1") = "9"
    & skf18("10","5","4","9","8","2","1") = "9"
    & skf18("10","5","4","9","8","3","1") = "9"
    & skf18("10","5","4","9","8","4","1") = "9"
    & skf18("10","5","4","9","8","5","1") = "9"
    & skf18("10","5","4","9","8","6","1") = "9"
    & skf18("10","5","4","9","8","7","1") = "9"
    & skf18("10","5","4","9","8","8","1") = "9"
    & skf18("10","5","4","9","8","9","1") = "9"
    & skf18("10","5","4","9","8","10","1") = "9"
    & skf18("10","5","4","9","9","1","1") = "9"
    & skf18("10","5","4","9","9","2","1") = "9"
    & skf18("10","5","4","9","9","3","1") = "9"
    & skf18("10","5","4","9","9","4","1") = "9"
    & skf18("10","5","4","9","9","5","1") = "9"
    & skf18("10","5","4","9","9","6","1") = "9"
    & skf18("10","5","4","9","9","7","1") = "9"
    & skf18("10","5","4","9","9","8","1") = "9"
    & skf18("10","5","4","9","9","9","1") = "9"
    & skf18("10","5","4","9","9","10","1") = "9"
    & skf18("10","5","4","9","10","1","1") = "9"
    & skf18("10","5","4","9","10","2","1") = "9"
    & skf18("10","5","4","9","10","3","1") = "9"
    & skf18("10","5","4","9","10","4","1") = "9"
    & skf18("10","5","4","9","10","5","1") = "9"
    & skf18("10","5","4","9","10","6","1") = "9"
    & skf18("10","5","4","9","10","7","1") = "9"
    & skf18("10","5","4","9","10","8","1") = "9"
    & skf18("10","5","4","9","10","9","1") = "9"
    & skf18("10","5","4","9","10","10","1") = "9"
    & skf18("10","5","4","10","1","1","1") = "9"
    & skf18("10","5","4","10","1","2","1") = "9"
    & skf18("10","5","4","10","1","3","1") = "9"
    & skf18("10","5","4","10","1","4","1") = "9"
    & skf18("10","5","4","10","1","5","1") = "9"
    & skf18("10","5","4","10","1","6","1") = "9"
    & skf18("10","5","4","10","1","7","1") = "9"
    & skf18("10","5","4","10","1","8","1") = "9"
    & skf18("10","5","4","10","1","9","1") = "9"
    & skf18("10","5","4","10","1","10","1") = "9"
    & skf18("10","5","4","10","2","1","1") = "9"
    & skf18("10","5","4","10","2","2","1") = "9"
    & skf18("10","5","4","10","2","3","1") = "9"
    & skf18("10","5","4","10","2","4","1") = "9"
    & skf18("10","5","4","10","2","5","1") = "9"
    & skf18("10","5","4","10","2","6","1") = "9"
    & skf18("10","5","4","10","2","7","1") = "9"
    & skf18("10","5","4","10","2","8","1") = "9"
    & skf18("10","5","4","10","2","9","1") = "9"
    & skf18("10","5","4","10","2","10","1") = "9"
    & skf18("10","5","4","10","3","1","1") = "9"
    & skf18("10","5","4","10","3","2","1") = "9"
    & skf18("10","5","4","10","3","3","1") = "9"
    & skf18("10","5","4","10","3","4","1") = "9"
    & skf18("10","5","4","10","3","5","1") = "9"
    & skf18("10","5","4","10","3","6","1") = "9"
    & skf18("10","5","4","10","3","7","1") = "9"
    & skf18("10","5","4","10","3","8","1") = "9"
    & skf18("10","5","4","10","3","9","1") = "9"
    & skf18("10","5","4","10","3","10","1") = "9"
    & skf18("10","5","4","10","4","1","1") = "9"
    & skf18("10","5","4","10","4","2","1") = "9"
    & skf18("10","5","4","10","4","3","1") = "9"
    & skf18("10","5","4","10","4","4","1") = "9"
    & skf18("10","5","4","10","4","5","1") = "9"
    & skf18("10","5","4","10","4","6","1") = "9"
    & skf18("10","5","4","10","4","7","1") = "9"
    & skf18("10","5","4","10","4","8","1") = "9"
    & skf18("10","5","4","10","4","9","1") = "9"
    & skf18("10","5","4","10","4","10","1") = "9"
    & skf18("10","5","4","10","5","1","1") = "9"
    & skf18("10","5","4","10","5","2","1") = "9"
    & skf18("10","5","4","10","5","3","1") = "9"
    & skf18("10","5","4","10","5","4","1") = "9"
    & skf18("10","5","4","10","5","5","1") = "9"
    & skf18("10","5","4","10","5","6","1") = "9"
    & skf18("10","5","4","10","5","7","1") = "9"
    & skf18("10","5","4","10","5","8","1") = "9"
    & skf18("10","5","4","10","5","9","1") = "9"
    & skf18("10","5","4","10","5","10","1") = "9"
    & skf18("10","5","4","10","6","1","1") = "9"
    & skf18("10","5","4","10","6","2","1") = "9"
    & skf18("10","5","4","10","6","3","1") = "9"
    & skf18("10","5","4","10","6","4","1") = "9"
    & skf18("10","5","4","10","6","5","1") = "9"
    & skf18("10","5","4","10","6","6","1") = "9"
    & skf18("10","5","4","10","6","7","1") = "9"
    & skf18("10","5","4","10","6","8","1") = "9"
    & skf18("10","5","4","10","6","9","1") = "9"
    & skf18("10","5","4","10","6","10","1") = "9"
    & skf18("10","5","4","10","7","1","1") = "9"
    & skf18("10","5","4","10","7","2","1") = "9"
    & skf18("10","5","4","10","7","3","1") = "9"
    & skf18("10","5","4","10","7","4","1") = "9"
    & skf18("10","5","4","10","7","5","1") = "9"
    & skf18("10","5","4","10","7","6","1") = "9"
    & skf18("10","5","4","10","7","7","1") = "9"
    & skf18("10","5","4","10","7","8","1") = "9"
    & skf18("10","5","4","10","7","9","1") = "9"
    & skf18("10","5","4","10","7","10","1") = "9"
    & skf18("10","5","4","10","8","1","1") = "9"
    & skf18("10","5","4","10","8","2","1") = "9"
    & skf18("10","5","4","10","8","3","1") = "9"
    & skf18("10","5","4","10","8","4","1") = "9"
    & skf18("10","5","4","10","8","5","1") = "9"
    & skf18("10","5","4","10","8","6","1") = "9"
    & skf18("10","5","4","10","8","7","1") = "9"
    & skf18("10","5","4","10","8","8","1") = "9"
    & skf18("10","5","4","10","8","9","1") = "9"
    & skf18("10","5","4","10","8","10","1") = "9"
    & skf18("10","5","4","10","9","1","1") = "9"
    & skf18("10","5","4","10","9","2","1") = "9"
    & skf18("10","5","4","10","9","3","1") = "9"
    & skf18("10","5","4","10","9","4","1") = "9"
    & skf18("10","5","4","10","9","5","1") = "9"
    & skf18("10","5","4","10","9","6","1") = "9"
    & skf18("10","5","4","10","9","7","1") = "9"
    & skf18("10","5","4","10","9","8","1") = "9"
    & skf18("10","5","4","10","9","9","1") = "9"
    & skf18("10","5","4","10","9","10","1") = "9"
    & skf18("10","5","4","10","10","1","1") = "9"
    & skf18("10","5","4","10","10","2","1") = "9"
    & skf18("10","5","4","10","10","3","1") = "9"
    & skf18("10","5","4","10","10","4","1") = "9"
    & skf18("10","5","4","10","10","5","1") = "9"
    & skf18("10","5","4","10","10","6","1") = "9"
    & skf18("10","5","4","10","10","7","1") = "9"
    & skf18("10","5","4","10","10","8","1") = "9"
    & skf18("10","5","4","10","10","9","1") = "9"
    & skf18("10","5","4","10","10","10","1") = "9"
    & skf18("10","5","5","1","1","1","1") = "9"
    & skf18("10","5","5","1","1","2","1") = "9"
    & skf18("10","5","5","1","1","3","1") = "9"
    & skf18("10","5","5","1","1","4","1") = "9"
    & skf18("10","5","5","1","1","5","1") = "9"
    & skf18("10","5","5","1","1","6","1") = "9"
    & skf18("10","5","5","1","1","7","1") = "9"
    & skf18("10","5","5","1","1","8","1") = "9"
    & skf18("10","5","5","1","1","9","1") = "9"
    & skf18("10","5","5","1","1","10","1") = "9"
    & skf18("10","5","5","1","2","1","1") = "9"
    & skf18("10","5","5","1","2","2","1") = "9"
    & skf18("10","5","5","1","2","3","1") = "9"
    & skf18("10","5","5","1","2","4","1") = "9"
    & skf18("10","5","5","1","2","5","1") = "9"
    & skf18("10","5","5","1","2","6","1") = "9"
    & skf18("10","5","5","1","2","7","1") = "9"
    & skf18("10","5","5","1","2","8","1") = "9"
    & skf18("10","5","5","1","2","9","1") = "9"
    & skf18("10","5","5","1","2","10","1") = "9"
    & skf18("10","5","5","1","3","1","1") = "9"
    & skf18("10","5","5","1","3","2","1") = "9"
    & skf18("10","5","5","1","3","3","1") = "9"
    & skf18("10","5","5","1","3","4","1") = "9"
    & skf18("10","5","5","1","3","5","1") = "9"
    & skf18("10","5","5","1","3","6","1") = "9"
    & skf18("10","5","5","1","3","7","1") = "9"
    & skf18("10","5","5","1","3","8","1") = "9"
    & skf18("10","5","5","1","3","9","1") = "9"
    & skf18("10","5","5","1","3","10","1") = "9"
    & skf18("10","5","5","1","4","1","1") = "9"
    & skf18("10","5","5","1","4","2","1") = "9"
    & skf18("10","5","5","1","4","3","1") = "9"
    & skf18("10","5","5","1","4","4","1") = "9"
    & skf18("10","5","5","1","4","5","1") = "9"
    & skf18("10","5","5","1","4","6","1") = "9"
    & skf18("10","5","5","1","4","7","1") = "9"
    & skf18("10","5","5","1","4","8","1") = "9"
    & skf18("10","5","5","1","4","9","1") = "9"
    & skf18("10","5","5","1","4","10","1") = "9"
    & skf18("10","5","5","1","5","1","1") = "9"
    & skf18("10","5","5","1","5","2","1") = "9"
    & skf18("10","5","5","1","5","3","1") = "9"
    & skf18("10","5","5","1","5","4","1") = "9"
    & skf18("10","5","5","1","5","5","1") = "9"
    & skf18("10","5","5","1","5","6","1") = "9"
    & skf18("10","5","5","1","5","7","1") = "9"
    & skf18("10","5","5","1","5","8","1") = "9"
    & skf18("10","5","5","1","5","9","1") = "9"
    & skf18("10","5","5","1","5","10","1") = "9"
    & skf18("10","5","5","1","6","1","1") = "9"
    & skf18("10","5","5","1","6","2","1") = "9"
    & skf18("10","5","5","1","6","3","1") = "9"
    & skf18("10","5","5","1","6","4","1") = "9"
    & skf18("10","5","5","1","6","5","1") = "9"
    & skf18("10","5","5","1","6","6","1") = "9"
    & skf18("10","5","5","1","6","7","1") = "9"
    & skf18("10","5","5","1","6","8","1") = "9"
    & skf18("10","5","5","1","6","9","1") = "9"
    & skf18("10","5","5","1","6","10","1") = "9"
    & skf18("10","5","5","1","7","1","1") = "9"
    & skf18("10","5","5","1","7","2","1") = "9"
    & skf18("10","5","5","1","7","3","1") = "9"
    & skf18("10","5","5","1","7","4","1") = "9"
    & skf18("10","5","5","1","7","5","1") = "9"
    & skf18("10","5","5","1","7","6","1") = "9"
    & skf18("10","5","5","1","7","7","1") = "9"
    & skf18("10","5","5","1","7","8","1") = "9"
    & skf18("10","5","5","1","7","9","1") = "9"
    & skf18("10","5","5","1","7","10","1") = "9"
    & skf18("10","5","5","1","8","1","1") = "9"
    & skf18("10","5","5","1","8","2","1") = "9"
    & skf18("10","5","5","1","8","3","1") = "9"
    & skf18("10","5","5","1","8","4","1") = "9"
    & skf18("10","5","5","1","8","5","1") = "9"
    & skf18("10","5","5","1","8","6","1") = "9"
    & skf18("10","5","5","1","8","7","1") = "9"
    & skf18("10","5","5","1","8","8","1") = "9"
    & skf18("10","5","5","1","8","9","1") = "9"
    & skf18("10","5","5","1","8","10","1") = "9"
    & skf18("10","5","5","1","9","1","1") = "9"
    & skf18("10","5","5","1","9","2","1") = "9"
    & skf18("10","5","5","1","9","3","1") = "9"
    & skf18("10","5","5","1","9","4","1") = "9"
    & skf18("10","5","5","1","9","5","1") = "9"
    & skf18("10","5","5","1","9","6","1") = "9"
    & skf18("10","5","5","1","9","7","1") = "9"
    & skf18("10","5","5","1","9","8","1") = "9"
    & skf18("10","5","5","1","9","9","1") = "9"
    & skf18("10","5","5","1","9","10","1") = "9"
    & skf18("10","5","5","1","10","1","1") = "9"
    & skf18("10","5","5","1","10","2","1") = "9"
    & skf18("10","5","5","1","10","3","1") = "9"
    & skf18("10","5","5","1","10","4","1") = "9"
    & skf18("10","5","5","1","10","5","1") = "9"
    & skf18("10","5","5","1","10","6","1") = "9"
    & skf18("10","5","5","1","10","7","1") = "9"
    & skf18("10","5","5","1","10","8","1") = "9"
    & skf18("10","5","5","1","10","9","1") = "9"
    & skf18("10","5","5","1","10","10","1") = "9"
    & skf18("10","5","5","2","1","1","1") = "9"
    & skf18("10","5","5","2","1","2","1") = "9"
    & skf18("10","5","5","2","1","3","1") = "9"
    & skf18("10","5","5","2","1","4","1") = "9"
    & skf18("10","5","5","2","1","5","1") = "9"
    & skf18("10","5","5","2","1","6","1") = "9"
    & skf18("10","5","5","2","1","7","1") = "9"
    & skf18("10","5","5","2","1","8","1") = "9"
    & skf18("10","5","5","2","1","9","1") = "9"
    & skf18("10","5","5","2","1","10","1") = "9"
    & skf18("10","5","5","2","2","1","1") = "9"
    & skf18("10","5","5","2","2","2","1") = "9"
    & skf18("10","5","5","2","2","3","1") = "9"
    & skf18("10","5","5","2","2","4","1") = "9"
    & skf18("10","5","5","2","2","5","1") = "9"
    & skf18("10","5","5","2","2","6","1") = "9"
    & skf18("10","5","5","2","2","7","1") = "9"
    & skf18("10","5","5","2","2","8","1") = "9"
    & skf18("10","5","5","2","2","9","1") = "9"
    & skf18("10","5","5","2","2","10","1") = "9"
    & skf18("10","5","5","2","3","1","1") = "9"
    & skf18("10","5","5","2","3","2","1") = "9"
    & skf18("10","5","5","2","3","3","1") = "9"
    & skf18("10","5","5","2","3","4","1") = "9"
    & skf18("10","5","5","2","3","5","1") = "9"
    & skf18("10","5","5","2","3","6","1") = "9"
    & skf18("10","5","5","2","3","7","1") = "9"
    & skf18("10","5","5","2","3","8","1") = "9"
    & skf18("10","5","5","2","3","9","1") = "9"
    & skf18("10","5","5","2","3","10","1") = "9"
    & skf18("10","5","5","2","4","1","1") = "9"
    & skf18("10","5","5","2","4","2","1") = "9"
    & skf18("10","5","5","2","4","3","1") = "9"
    & skf18("10","5","5","2","4","4","1") = "9"
    & skf18("10","5","5","2","4","5","1") = "9"
    & skf18("10","5","5","2","4","6","1") = "9"
    & skf18("10","5","5","2","4","7","1") = "9"
    & skf18("10","5","5","2","4","8","1") = "9"
    & skf18("10","5","5","2","4","9","1") = "9"
    & skf18("10","5","5","2","4","10","1") = "9"
    & skf18("10","5","5","2","5","1","1") = "9"
    & skf18("10","5","5","2","5","2","1") = "9"
    & skf18("10","5","5","2","5","3","1") = "9"
    & skf18("10","5","5","2","5","4","1") = "9"
    & skf18("10","5","5","2","5","5","1") = "9"
    & skf18("10","5","5","2","5","6","1") = "9"
    & skf18("10","5","5","2","5","7","1") = "9"
    & skf18("10","5","5","2","5","8","1") = "9"
    & skf18("10","5","5","2","5","9","1") = "9"
    & skf18("10","5","5","2","5","10","1") = "9"
    & skf18("10","5","5","2","6","1","1") = "9"
    & skf18("10","5","5","2","6","2","1") = "9"
    & skf18("10","5","5","2","6","3","1") = "9"
    & skf18("10","5","5","2","6","4","1") = "9"
    & skf18("10","5","5","2","6","5","1") = "9"
    & skf18("10","5","5","2","6","6","1") = "9"
    & skf18("10","5","5","2","6","7","1") = "9"
    & skf18("10","5","5","2","6","8","1") = "9"
    & skf18("10","5","5","2","6","9","1") = "9"
    & skf18("10","5","5","2","6","10","1") = "9"
    & skf18("10","5","5","2","7","1","1") = "9"
    & skf18("10","5","5","2","7","2","1") = "9"
    & skf18("10","5","5","2","7","3","1") = "9"
    & skf18("10","5","5","2","7","4","1") = "9"
    & skf18("10","5","5","2","7","5","1") = "9"
    & skf18("10","5","5","2","7","6","1") = "9"
    & skf18("10","5","5","2","7","7","1") = "9"
    & skf18("10","5","5","2","7","8","1") = "9"
    & skf18("10","5","5","2","7","9","1") = "9"
    & skf18("10","5","5","2","7","10","1") = "9"
    & skf18("10","5","5","2","8","1","1") = "9"
    & skf18("10","5","5","2","8","2","1") = "9"
    & skf18("10","5","5","2","8","3","1") = "9"
    & skf18("10","5","5","2","8","4","1") = "9"
    & skf18("10","5","5","2","8","5","1") = "9"
    & skf18("10","5","5","2","8","6","1") = "9"
    & skf18("10","5","5","2","8","7","1") = "9"
    & skf18("10","5","5","2","8","8","1") = "9"
    & skf18("10","5","5","2","8","9","1") = "9"
    & skf18("10","5","5","2","8","10","1") = "9"
    & skf18("10","5","5","2","9","1","1") = "9"
    & skf18("10","5","5","2","9","2","1") = "9"
    & skf18("10","5","5","2","9","3","1") = "9"
    & skf18("10","5","5","2","9","4","1") = "9"
    & skf18("10","5","5","2","9","5","1") = "9"
    & skf18("10","5","5","2","9","6","1") = "9"
    & skf18("10","5","5","2","9","7","1") = "9"
    & skf18("10","5","5","2","9","8","1") = "9"
    & skf18("10","5","5","2","9","9","1") = "9"
    & skf18("10","5","5","2","9","10","1") = "9"
    & skf18("10","5","5","2","10","1","1") = "9"
    & skf18("10","5","5","2","10","2","1") = "9"
    & skf18("10","5","5","2","10","3","1") = "9"
    & skf18("10","5","5","2","10","4","1") = "9"
    & skf18("10","5","5","2","10","5","1") = "9"
    & skf18("10","5","5","2","10","6","1") = "9"
    & skf18("10","5","5","2","10","7","1") = "9"
    & skf18("10","5","5","2","10","8","1") = "9"
    & skf18("10","5","5","2","10","9","1") = "9"
    & skf18("10","5","5","2","10","10","1") = "9"
    & skf18("10","5","5","3","1","1","1") = "9"
    & skf18("10","5","5","3","1","2","1") = "9"
    & skf18("10","5","5","3","1","3","1") = "9"
    & skf18("10","5","5","3","1","4","1") = "9"
    & skf18("10","5","5","3","1","5","1") = "9"
    & skf18("10","5","5","3","1","6","1") = "9"
    & skf18("10","5","5","3","1","7","1") = "9"
    & skf18("10","5","5","3","1","8","1") = "9"
    & skf18("10","5","5","3","1","9","1") = "9"
    & skf18("10","5","5","3","1","10","1") = "9"
    & skf18("10","5","5","3","2","1","1") = "9"
    & skf18("10","5","5","3","2","2","1") = "9"
    & skf18("10","5","5","3","2","3","1") = "9"
    & skf18("10","5","5","3","2","4","1") = "9"
    & skf18("10","5","5","3","2","5","1") = "9"
    & skf18("10","5","5","3","2","6","1") = "9"
    & skf18("10","5","5","3","2","7","1") = "9"
    & skf18("10","5","5","3","2","8","1") = "9"
    & skf18("10","5","5","3","2","9","1") = "9"
    & skf18("10","5","5","3","2","10","1") = "9"
    & skf18("10","5","5","3","3","1","1") = "9"
    & skf18("10","5","5","3","3","2","1") = "9"
    & skf18("10","5","5","3","3","3","1") = "9"
    & skf18("10","5","5","3","3","4","1") = "9"
    & skf18("10","5","5","3","3","5","1") = "9"
    & skf18("10","5","5","3","3","6","1") = "9"
    & skf18("10","5","5","3","3","7","1") = "9"
    & skf18("10","5","5","3","3","8","1") = "9"
    & skf18("10","5","5","3","3","9","1") = "9"
    & skf18("10","5","5","3","3","10","1") = "9"
    & skf18("10","5","5","3","4","1","1") = "9"
    & skf18("10","5","5","3","4","2","1") = "9"
    & skf18("10","5","5","3","4","3","1") = "9"
    & skf18("10","5","5","3","4","4","1") = "9"
    & skf18("10","5","5","3","4","5","1") = "9"
    & skf18("10","5","5","3","4","6","1") = "9"
    & skf18("10","5","5","3","4","7","1") = "9"
    & skf18("10","5","5","3","4","8","1") = "9"
    & skf18("10","5","5","3","4","9","1") = "9"
    & skf18("10","5","5","3","4","10","1") = "9"
    & skf18("10","5","5","3","5","1","1") = "9"
    & skf18("10","5","5","3","5","2","1") = "9"
    & skf18("10","5","5","3","5","3","1") = "9"
    & skf18("10","5","5","3","5","4","1") = "9"
    & skf18("10","5","5","3","5","5","1") = "9"
    & skf18("10","5","5","3","5","6","1") = "9"
    & skf18("10","5","5","3","5","7","1") = "9"
    & skf18("10","5","5","3","5","8","1") = "9"
    & skf18("10","5","5","3","5","9","1") = "9"
    & skf18("10","5","5","3","5","10","1") = "9"
    & skf18("10","5","5","3","6","1","1") = "9"
    & skf18("10","5","5","3","6","2","1") = "9"
    & skf18("10","5","5","3","6","3","1") = "9"
    & skf18("10","5","5","3","6","4","1") = "9"
    & skf18("10","5","5","3","6","5","1") = "9"
    & skf18("10","5","5","3","6","6","1") = "9"
    & skf18("10","5","5","3","6","7","1") = "9"
    & skf18("10","5","5","3","6","8","1") = "9"
    & skf18("10","5","5","3","6","9","1") = "9"
    & skf18("10","5","5","3","6","10","1") = "9"
    & skf18("10","5","5","3","7","1","1") = "9"
    & skf18("10","5","5","3","7","2","1") = "9"
    & skf18("10","5","5","3","7","3","1") = "9"
    & skf18("10","5","5","3","7","4","1") = "9"
    & skf18("10","5","5","3","7","5","1") = "9"
    & skf18("10","5","5","3","7","6","1") = "9"
    & skf18("10","5","5","3","7","7","1") = "9"
    & skf18("10","5","5","3","7","8","1") = "9"
    & skf18("10","5","5","3","7","9","1") = "9"
    & skf18("10","5","5","3","7","10","1") = "9"
    & skf18("10","5","5","3","8","1","1") = "9"
    & skf18("10","5","5","3","8","2","1") = "9"
    & skf18("10","5","5","3","8","3","1") = "9"
    & skf18("10","5","5","3","8","4","1") = "9"
    & skf18("10","5","5","3","8","5","1") = "9"
    & skf18("10","5","5","3","8","6","1") = "9"
    & skf18("10","5","5","3","8","7","1") = "9"
    & skf18("10","5","5","3","8","8","1") = "9"
    & skf18("10","5","5","3","8","9","1") = "9"
    & skf18("10","5","5","3","8","10","1") = "9"
    & skf18("10","5","5","3","9","1","1") = "9"
    & skf18("10","5","5","3","9","2","1") = "9"
    & skf18("10","5","5","3","9","3","1") = "9"
    & skf18("10","5","5","3","9","4","1") = "9"
    & skf18("10","5","5","3","9","5","1") = "9"
    & skf18("10","5","5","3","9","6","1") = "9"
    & skf18("10","5","5","3","9","7","1") = "9"
    & skf18("10","5","5","3","9","8","1") = "9"
    & skf18("10","5","5","3","9","9","1") = "9"
    & skf18("10","5","5","3","9","10","1") = "9"
    & skf18("10","5","5","3","10","1","1") = "9"
    & skf18("10","5","5","3","10","2","1") = "9"
    & skf18("10","5","5","3","10","3","1") = "9"
    & skf18("10","5","5","3","10","4","1") = "9"
    & skf18("10","5","5","3","10","5","1") = "9"
    & skf18("10","5","5","3","10","6","1") = "9"
    & skf18("10","5","5","3","10","7","1") = "9"
    & skf18("10","5","5","3","10","8","1") = "9"
    & skf18("10","5","5","3","10","9","1") = "9"
    & skf18("10","5","5","3","10","10","1") = "9"
    & skf18("10","5","5","4","1","1","1") = "9"
    & skf18("10","5","5","4","1","2","1") = "9"
    & skf18("10","5","5","4","1","3","1") = "9"
    & skf18("10","5","5","4","1","4","1") = "9"
    & skf18("10","5","5","4","1","5","1") = "9"
    & skf18("10","5","5","4","1","6","1") = "9"
    & skf18("10","5","5","4","1","7","1") = "9"
    & skf18("10","5","5","4","1","8","1") = "9"
    & skf18("10","5","5","4","1","9","1") = "9"
    & skf18("10","5","5","4","1","10","1") = "9"
    & skf18("10","5","5","4","2","1","1") = "9"
    & skf18("10","5","5","4","2","2","1") = "9"
    & skf18("10","5","5","4","2","3","1") = "9"
    & skf18("10","5","5","4","2","4","1") = "9"
    & skf18("10","5","5","4","2","5","1") = "9"
    & skf18("10","5","5","4","2","6","1") = "9"
    & skf18("10","5","5","4","2","7","1") = "9"
    & skf18("10","5","5","4","2","8","1") = "9"
    & skf18("10","5","5","4","2","9","1") = "9"
    & skf18("10","5","5","4","2","10","1") = "9"
    & skf18("10","5","5","4","3","1","1") = "9"
    & skf18("10","5","5","4","3","2","1") = "9"
    & skf18("10","5","5","4","3","3","1") = "9"
    & skf18("10","5","5","4","3","4","1") = "9"
    & skf18("10","5","5","4","3","5","1") = "9"
    & skf18("10","5","5","4","3","6","1") = "9"
    & skf18("10","5","5","4","3","7","1") = "9"
    & skf18("10","5","5","4","3","8","1") = "9"
    & skf18("10","5","5","4","3","9","1") = "9"
    & skf18("10","5","5","4","3","10","1") = "9"
    & skf18("10","5","5","4","4","1","1") = "9"
    & skf18("10","5","5","4","4","2","1") = "9"
    & skf18("10","5","5","4","4","3","1") = "9"
    & skf18("10","5","5","4","4","4","1") = "9"
    & skf18("10","5","5","4","4","5","1") = "9"
    & skf18("10","5","5","4","4","6","1") = "9"
    & skf18("10","5","5","4","4","7","1") = "9"
    & skf18("10","5","5","4","4","8","1") = "9"
    & skf18("10","5","5","4","4","9","1") = "9"
    & skf18("10","5","5","4","4","10","1") = "9"
    & skf18("10","5","5","4","5","1","1") = "9"
    & skf18("10","5","5","4","5","2","1") = "9"
    & skf18("10","5","5","4","5","3","1") = "9"
    & skf18("10","5","5","4","5","4","1") = "9"
    & skf18("10","5","5","4","5","5","1") = "9"
    & skf18("10","5","5","4","5","6","1") = "9"
    & skf18("10","5","5","4","5","7","1") = "9"
    & skf18("10","5","5","4","5","8","1") = "9"
    & skf18("10","5","5","4","5","9","1") = "9"
    & skf18("10","5","5","4","5","10","1") = "9"
    & skf18("10","5","5","4","6","1","1") = "9"
    & skf18("10","5","5","4","6","2","1") = "9"
    & skf18("10","5","5","4","6","3","1") = "9"
    & skf18("10","5","5","4","6","4","1") = "9"
    & skf18("10","5","5","4","6","5","1") = "9"
    & skf18("10","5","5","4","6","6","1") = "9"
    & skf18("10","5","5","4","6","7","1") = "9"
    & skf18("10","5","5","4","6","8","1") = "9"
    & skf18("10","5","5","4","6","9","1") = "9"
    & skf18("10","5","5","4","6","10","1") = "9"
    & skf18("10","5","5","4","7","1","1") = "9"
    & skf18("10","5","5","4","7","2","1") = "9"
    & skf18("10","5","5","4","7","3","1") = "9"
    & skf18("10","5","5","4","7","4","1") = "9"
    & skf18("10","5","5","4","7","5","1") = "9"
    & skf18("10","5","5","4","7","6","1") = "9"
    & skf18("10","5","5","4","7","7","1") = "9"
    & skf18("10","5","5","4","7","8","1") = "9"
    & skf18("10","5","5","4","7","9","1") = "9"
    & skf18("10","5","5","4","7","10","1") = "9"
    & skf18("10","5","5","4","8","1","1") = "9"
    & skf18("10","5","5","4","8","2","1") = "9"
    & skf18("10","5","5","4","8","3","1") = "9"
    & skf18("10","5","5","4","8","4","1") = "9"
    & skf18("10","5","5","4","8","5","1") = "9"
    & skf18("10","5","5","4","8","6","1") = "9"
    & skf18("10","5","5","4","8","7","1") = "9"
    & skf18("10","5","5","4","8","8","1") = "9"
    & skf18("10","5","5","4","8","9","1") = "9"
    & skf18("10","5","5","4","8","10","1") = "9"
    & skf18("10","5","5","4","9","1","1") = "9"
    & skf18("10","5","5","4","9","2","1") = "9"
    & skf18("10","5","5","4","9","3","1") = "9"
    & skf18("10","5","5","4","9","4","1") = "9"
    & skf18("10","5","5","4","9","5","1") = "9"
    & skf18("10","5","5","4","9","6","1") = "9"
    & skf18("10","5","5","4","9","7","1") = "9"
    & skf18("10","5","5","4","9","8","1") = "9"
    & skf18("10","5","5","4","9","9","1") = "9"
    & skf18("10","5","5","4","9","10","1") = "9"
    & skf18("10","5","5","4","10","1","1") = "9"
    & skf18("10","5","5","4","10","2","1") = "9"
    & skf18("10","5","5","4","10","3","1") = "9"
    & skf18("10","5","5","4","10","4","1") = "9"
    & skf18("10","5","5","4","10","5","1") = "9"
    & skf18("10","5","5","4","10","6","1") = "9"
    & skf18("10","5","5","4","10","7","1") = "9"
    & skf18("10","5","5","4","10","8","1") = "9"
    & skf18("10","5","5","4","10","9","1") = "9"
    & skf18("10","5","5","4","10","10","1") = "9"
    & skf18("10","5","5","5","1","1","1") = "9"
    & skf18("10","5","5","5","1","2","1") = "9"
    & skf18("10","5","5","5","1","3","1") = "9"
    & skf18("10","5","5","5","1","4","1") = "9"
    & skf18("10","5","5","5","1","5","1") = "9"
    & skf18("10","5","5","5","1","6","1") = "9"
    & skf18("10","5","5","5","1","7","1") = "9"
    & skf18("10","5","5","5","1","8","1") = "9"
    & skf18("10","5","5","5","1","9","1") = "9"
    & skf18("10","5","5","5","1","10","1") = "9"
    & skf18("10","5","5","5","2","1","1") = "9"
    & skf18("10","5","5","5","2","2","1") = "9"
    & skf18("10","5","5","5","2","3","1") = "9"
    & skf18("10","5","5","5","2","4","1") = "9"
    & skf18("10","5","5","5","2","5","1") = "9"
    & skf18("10","5","5","5","2","6","1") = "9"
    & skf18("10","5","5","5","2","7","1") = "9"
    & skf18("10","5","5","5","2","8","1") = "9"
    & skf18("10","5","5","5","2","9","1") = "9"
    & skf18("10","5","5","5","2","10","1") = "9"
    & skf18("10","5","5","5","3","1","1") = "9"
    & skf18("10","5","5","5","3","2","1") = "9"
    & skf18("10","5","5","5","3","3","1") = "9"
    & skf18("10","5","5","5","3","4","1") = "9"
    & skf18("10","5","5","5","3","5","1") = "9"
    & skf18("10","5","5","5","3","6","1") = "9"
    & skf18("10","5","5","5","3","7","1") = "9"
    & skf18("10","5","5","5","3","8","1") = "9"
    & skf18("10","5","5","5","3","9","1") = "9"
    & skf18("10","5","5","5","3","10","1") = "9"
    & skf18("10","5","5","5","4","1","1") = "9"
    & skf18("10","5","5","5","4","2","1") = "9"
    & skf18("10","5","5","5","4","3","1") = "9"
    & skf18("10","5","5","5","4","4","1") = "9"
    & skf18("10","5","5","5","4","5","1") = "9"
    & skf18("10","5","5","5","4","6","1") = "9"
    & skf18("10","5","5","5","4","7","1") = "9"
    & skf18("10","5","5","5","4","8","1") = "9"
    & skf18("10","5","5","5","4","9","1") = "9"
    & skf18("10","5","5","5","4","10","1") = "9"
    & skf18("10","5","5","5","5","1","1") = "9"
    & skf18("10","5","5","5","5","2","1") = "9"
    & skf18("10","5","5","5","5","3","1") = "9"
    & skf18("10","5","5","5","5","4","1") = "9"
    & skf18("10","5","5","5","5","5","1") = "9"
    & skf18("10","5","5","5","5","6","1") = "9"
    & skf18("10","5","5","5","5","7","1") = "9"
    & skf18("10","5","5","5","5","8","1") = "9"
    & skf18("10","5","5","5","5","9","1") = "9"
    & skf18("10","5","5","5","5","10","1") = "9"
    & skf18("10","5","5","5","6","1","1") = "9"
    & skf18("10","5","5","5","6","2","1") = "9"
    & skf18("10","5","5","5","6","3","1") = "9"
    & skf18("10","5","5","5","6","4","1") = "9"
    & skf18("10","5","5","5","6","5","1") = "9"
    & skf18("10","5","5","5","6","6","1") = "9"
    & skf18("10","5","5","5","6","7","1") = "9"
    & skf18("10","5","5","5","6","8","1") = "9"
    & skf18("10","5","5","5","6","9","1") = "9"
    & skf18("10","5","5","5","6","10","1") = "9"
    & skf18("10","5","5","5","7","1","1") = "9"
    & skf18("10","5","5","5","7","2","1") = "9"
    & skf18("10","5","5","5","7","3","1") = "9"
    & skf18("10","5","5","5","7","4","1") = "9"
    & skf18("10","5","5","5","7","5","1") = "9"
    & skf18("10","5","5","5","7","6","1") = "9"
    & skf18("10","5","5","5","7","7","1") = "9"
    & skf18("10","5","5","5","7","8","1") = "9"
    & skf18("10","5","5","5","7","9","1") = "9"
    & skf18("10","5","5","5","7","10","1") = "9"
    & skf18("10","5","5","5","8","1","1") = "9"
    & skf18("10","5","5","5","8","2","1") = "9"
    & skf18("10","5","5","5","8","3","1") = "9"
    & skf18("10","5","5","5","8","4","1") = "9"
    & skf18("10","5","5","5","8","5","1") = "9"
    & skf18("10","5","5","5","8","6","1") = "9"
    & skf18("10","5","5","5","8","7","1") = "9"
    & skf18("10","5","5","5","8","8","1") = "9"
    & skf18("10","5","5","5","8","9","1") = "9"
    & skf18("10","5","5","5","8","10","1") = "9"
    & skf18("10","5","5","5","9","1","1") = "9"
    & skf18("10","5","5","5","9","2","1") = "9"
    & skf18("10","5","5","5","9","3","1") = "9"
    & skf18("10","5","5","5","9","4","1") = "9"
    & skf18("10","5","5","5","9","5","1") = "9"
    & skf18("10","5","5","5","9","6","1") = "9"
    & skf18("10","5","5","5","9","7","1") = "9"
    & skf18("10","5","5","5","9","8","1") = "9"
    & skf18("10","5","5","5","9","9","1") = "9"
    & skf18("10","5","5","5","9","10","1") = "9"
    & skf18("10","5","5","5","10","1","1") = "9"
    & skf18("10","5","5","5","10","2","1") = "9"
    & skf18("10","5","5","5","10","3","1") = "9"
    & skf18("10","5","5","5","10","4","1") = "9"
    & skf18("10","5","5","5","10","5","1") = "9"
    & skf18("10","5","5","5","10","6","1") = "9"
    & skf18("10","5","5","5","10","7","1") = "9"
    & skf18("10","5","5","5","10","8","1") = "9"
    & skf18("10","5","5","5","10","9","1") = "9"
    & skf18("10","5","5","5","10","10","1") = "9"
    & skf18("10","5","5","6","1","1","1") = "9"
    & skf18("10","5","5","6","1","2","1") = "9"
    & skf18("10","5","5","6","1","3","1") = "9"
    & skf18("10","5","5","6","1","4","1") = "9"
    & skf18("10","5","5","6","1","5","1") = "9"
    & skf18("10","5","5","6","1","6","1") = "9"
    & skf18("10","5","5","6","1","7","1") = "9"
    & skf18("10","5","5","6","1","8","1") = "9"
    & skf18("10","5","5","6","1","9","1") = "9"
    & skf18("10","5","5","6","1","10","1") = "9"
    & skf18("10","5","5","6","2","1","1") = "9"
    & skf18("10","5","5","6","2","2","1") = "9"
    & skf18("10","5","5","6","2","3","1") = "9"
    & skf18("10","5","5","6","2","4","1") = "9"
    & skf18("10","5","5","6","2","5","1") = "9"
    & skf18("10","5","5","6","2","6","1") = "9"
    & skf18("10","5","5","6","2","7","1") = "9"
    & skf18("10","5","5","6","2","8","1") = "9"
    & skf18("10","5","5","6","2","9","1") = "9"
    & skf18("10","5","5","6","2","10","1") = "9"
    & skf18("10","5","5","6","3","1","1") = "9"
    & skf18("10","5","5","6","3","2","1") = "9"
    & skf18("10","5","5","6","3","3","1") = "9"
    & skf18("10","5","5","6","3","4","1") = "9"
    & skf18("10","5","5","6","3","5","1") = "9"
    & skf18("10","5","5","6","3","6","1") = "9"
    & skf18("10","5","5","6","3","7","1") = "9"
    & skf18("10","5","5","6","3","8","1") = "9"
    & skf18("10","5","5","6","3","9","1") = "9"
    & skf18("10","5","5","6","3","10","1") = "9"
    & skf18("10","5","5","6","4","1","1") = "9"
    & skf18("10","5","5","6","4","2","1") = "9"
    & skf18("10","5","5","6","4","3","1") = "9"
    & skf18("10","5","5","6","4","4","1") = "9"
    & skf18("10","5","5","6","4","5","1") = "9"
    & skf18("10","5","5","6","4","6","1") = "9"
    & skf18("10","5","5","6","4","7","1") = "9"
    & skf18("10","5","5","6","4","8","1") = "9"
    & skf18("10","5","5","6","4","9","1") = "9"
    & skf18("10","5","5","6","4","10","1") = "9"
    & skf18("10","5","5","6","5","1","1") = "9"
    & skf18("10","5","5","6","5","2","1") = "9"
    & skf18("10","5","5","6","5","3","1") = "9"
    & skf18("10","5","5","6","5","4","1") = "9"
    & skf18("10","5","5","6","5","5","1") = "9"
    & skf18("10","5","5","6","5","6","1") = "9"
    & skf18("10","5","5","6","5","7","1") = "9"
    & skf18("10","5","5","6","5","8","1") = "9"
    & skf18("10","5","5","6","5","9","1") = "9"
    & skf18("10","5","5","6","5","10","1") = "9"
    & skf18("10","5","5","6","6","1","1") = "9"
    & skf18("10","5","5","6","6","2","1") = "9"
    & skf18("10","5","5","6","6","3","1") = "9"
    & skf18("10","5","5","6","6","4","1") = "9"
    & skf18("10","5","5","6","6","5","1") = "9"
    & skf18("10","5","5","6","6","6","1") = "9"
    & skf18("10","5","5","6","6","7","1") = "9"
    & skf18("10","5","5","6","6","8","1") = "9"
    & skf18("10","5","5","6","6","9","1") = "9"
    & skf18("10","5","5","6","6","10","1") = "9"
    & skf18("10","5","5","6","7","1","1") = "9"
    & skf18("10","5","5","6","7","2","1") = "9"
    & skf18("10","5","5","6","7","3","1") = "9"
    & skf18("10","5","5","6","7","4","1") = "9"
    & skf18("10","5","5","6","7","5","1") = "9"
    & skf18("10","5","5","6","7","6","1") = "9"
    & skf18("10","5","5","6","7","7","1") = "9"
    & skf18("10","5","5","6","7","8","1") = "9"
    & skf18("10","5","5","6","7","9","1") = "9"
    & skf18("10","5","5","6","7","10","1") = "9"
    & skf18("10","5","5","6","8","1","1") = "9"
    & skf18("10","5","5","6","8","2","1") = "9"
    & skf18("10","5","5","6","8","3","1") = "9"
    & skf18("10","5","5","6","8","4","1") = "9"
    & skf18("10","5","5","6","8","5","1") = "9"
    & skf18("10","5","5","6","8","6","1") = "9"
    & skf18("10","5","5","6","8","7","1") = "9"
    & skf18("10","5","5","6","8","8","1") = "9"
    & skf18("10","5","5","6","8","9","1") = "9"
    & skf18("10","5","5","6","8","10","1") = "9"
    & skf18("10","5","5","6","9","1","1") = "9"
    & skf18("10","5","5","6","9","2","1") = "9"
    & skf18("10","5","5","6","9","3","1") = "9"
    & skf18("10","5","5","6","9","4","1") = "9"
    & skf18("10","5","5","6","9","5","1") = "9"
    & skf18("10","5","5","6","9","6","1") = "9"
    & skf18("10","5","5","6","9","7","1") = "9"
    & skf18("10","5","5","6","9","8","1") = "9"
    & skf18("10","5","5","6","9","9","1") = "9"
    & skf18("10","5","5","6","9","10","1") = "9"
    & skf18("10","5","5","6","10","1","1") = "9"
    & skf18("10","5","5","6","10","2","1") = "9"
    & skf18("10","5","5","6","10","3","1") = "9"
    & skf18("10","5","5","6","10","4","1") = "9"
    & skf18("10","5","5","6","10","5","1") = "9"
    & skf18("10","5","5","6","10","6","1") = "9"
    & skf18("10","5","5","6","10","7","1") = "9"
    & skf18("10","5","5","6","10","8","1") = "9"
    & skf18("10","5","5","6","10","9","1") = "9"
    & skf18("10","5","5","6","10","10","1") = "9"
    & skf18("10","5","5","7","1","1","1") = "9"
    & skf18("10","5","5","7","1","2","1") = "9"
    & skf18("10","5","5","7","1","3","1") = "9"
    & skf18("10","5","5","7","1","4","1") = "9"
    & skf18("10","5","5","7","1","5","1") = "9"
    & skf18("10","5","5","7","1","6","1") = "9"
    & skf18("10","5","5","7","1","7","1") = "9"
    & skf18("10","5","5","7","1","8","1") = "9"
    & skf18("10","5","5","7","1","9","1") = "9"
    & skf18("10","5","5","7","1","10","1") = "9"
    & skf18("10","5","5","7","2","1","1") = "9"
    & skf18("10","5","5","7","2","2","1") = "9"
    & skf18("10","5","5","7","2","3","1") = "9"
    & skf18("10","5","5","7","2","4","1") = "9"
    & skf18("10","5","5","7","2","5","1") = "9"
    & skf18("10","5","5","7","2","6","1") = "9"
    & skf18("10","5","5","7","2","7","1") = "9"
    & skf18("10","5","5","7","2","8","1") = "9"
    & skf18("10","5","5","7","2","9","1") = "9"
    & skf18("10","5","5","7","2","10","1") = "9"
    & skf18("10","5","5","7","3","1","1") = "9"
    & skf18("10","5","5","7","3","2","1") = "9"
    & skf18("10","5","5","7","3","3","1") = "9"
    & skf18("10","5","5","7","3","4","1") = "9"
    & skf18("10","5","5","7","3","5","1") = "9"
    & skf18("10","5","5","7","3","6","1") = "9"
    & skf18("10","5","5","7","3","7","1") = "9"
    & skf18("10","5","5","7","3","8","1") = "9"
    & skf18("10","5","5","7","3","9","1") = "9"
    & skf18("10","5","5","7","3","10","1") = "9"
    & skf18("10","5","5","7","4","1","1") = "9"
    & skf18("10","5","5","7","4","2","1") = "9"
    & skf18("10","5","5","7","4","3","1") = "9"
    & skf18("10","5","5","7","4","4","1") = "9"
    & skf18("10","5","5","7","4","5","1") = "9"
    & skf18("10","5","5","7","4","6","1") = "9"
    & skf18("10","5","5","7","4","7","1") = "9"
    & skf18("10","5","5","7","4","8","1") = "9"
    & skf18("10","5","5","7","4","9","1") = "9"
    & skf18("10","5","5","7","4","10","1") = "9"
    & skf18("10","5","5","7","5","1","1") = "9"
    & skf18("10","5","5","7","5","2","1") = "9"
    & skf18("10","5","5","7","5","3","1") = "9"
    & skf18("10","5","5","7","5","4","1") = "9"
    & skf18("10","5","5","7","5","5","1") = "9"
    & skf18("10","5","5","7","5","6","1") = "9"
    & skf18("10","5","5","7","5","7","1") = "9"
    & skf18("10","5","5","7","5","8","1") = "9"
    & skf18("10","5","5","7","5","9","1") = "9"
    & skf18("10","5","5","7","5","10","1") = "9"
    & skf18("10","5","5","7","6","1","1") = "9"
    & skf18("10","5","5","7","6","2","1") = "9"
    & skf18("10","5","5","7","6","3","1") = "9"
    & skf18("10","5","5","7","6","4","1") = "9"
    & skf18("10","5","5","7","6","5","1") = "9"
    & skf18("10","5","5","7","6","6","1") = "9"
    & skf18("10","5","5","7","6","7","1") = "9"
    & skf18("10","5","5","7","6","8","1") = "9"
    & skf18("10","5","5","7","6","9","1") = "9"
    & skf18("10","5","5","7","6","10","1") = "9"
    & skf18("10","5","5","7","7","1","1") = "9"
    & skf18("10","5","5","7","7","2","1") = "9"
    & skf18("10","5","5","7","7","3","1") = "9"
    & skf18("10","5","5","7","7","4","1") = "9"
    & skf18("10","5","5","7","7","5","1") = "9"
    & skf18("10","5","5","7","7","6","1") = "9"
    & skf18("10","5","5","7","7","7","1") = "9"
    & skf18("10","5","5","7","7","8","1") = "9"
    & skf18("10","5","5","7","7","9","1") = "9"
    & skf18("10","5","5","7","7","10","1") = "9"
    & skf18("10","5","5","7","8","1","1") = "9"
    & skf18("10","5","5","7","8","2","1") = "9"
    & skf18("10","5","5","7","8","3","1") = "9"
    & skf18("10","5","5","7","8","4","1") = "9"
    & skf18("10","5","5","7","8","5","1") = "9"
    & skf18("10","5","5","7","8","6","1") = "9"
    & skf18("10","5","5","7","8","7","1") = "9"
    & skf18("10","5","5","7","8","8","1") = "9"
    & skf18("10","5","5","7","8","9","1") = "9"
    & skf18("10","5","5","7","8","10","1") = "9"
    & skf18("10","5","5","7","9","1","1") = "9"
    & skf18("10","5","5","7","9","2","1") = "9"
    & skf18("10","5","5","7","9","3","1") = "9"
    & skf18("10","5","5","7","9","4","1") = "9"
    & skf18("10","5","5","7","9","5","1") = "9"
    & skf18("10","5","5","7","9","6","1") = "9"
    & skf18("10","5","5","7","9","7","1") = "9"
    & skf18("10","5","5","7","9","8","1") = "9"
    & skf18("10","5","5","7","9","9","1") = "9"
    & skf18("10","5","5","7","9","10","1") = "9"
    & skf18("10","5","5","7","10","1","1") = "9"
    & skf18("10","5","5","7","10","2","1") = "9"
    & skf18("10","5","5","7","10","3","1") = "9"
    & skf18("10","5","5","7","10","4","1") = "9"
    & skf18("10","5","5","7","10","5","1") = "9"
    & skf18("10","5","5","7","10","6","1") = "9"
    & skf18("10","5","5","7","10","7","1") = "9"
    & skf18("10","5","5","7","10","8","1") = "9"
    & skf18("10","5","5","7","10","9","1") = "9"
    & skf18("10","5","5","7","10","10","1") = "9"
    & skf18("10","5","5","8","1","1","1") = "9"
    & skf18("10","5","5","8","1","2","1") = "9"
    & skf18("10","5","5","8","1","3","1") = "9"
    & skf18("10","5","5","8","1","4","1") = "9"
    & skf18("10","5","5","8","1","5","1") = "9"
    & skf18("10","5","5","8","1","6","1") = "9"
    & skf18("10","5","5","8","1","7","1") = "9"
    & skf18("10","5","5","8","1","8","1") = "9"
    & skf18("10","5","5","8","1","9","1") = "9"
    & skf18("10","5","5","8","1","10","1") = "9"
    & skf18("10","5","5","8","2","1","1") = "9"
    & skf18("10","5","5","8","2","2","1") = "9"
    & skf18("10","5","5","8","2","3","1") = "9"
    & skf18("10","5","5","8","2","4","1") = "9"
    & skf18("10","5","5","8","2","5","1") = "9"
    & skf18("10","5","5","8","2","6","1") = "9"
    & skf18("10","5","5","8","2","7","1") = "9"
    & skf18("10","5","5","8","2","8","1") = "9"
    & skf18("10","5","5","8","2","9","1") = "9"
    & skf18("10","5","5","8","2","10","1") = "9"
    & skf18("10","5","5","8","3","1","1") = "9"
    & skf18("10","5","5","8","3","2","1") = "9"
    & skf18("10","5","5","8","3","3","1") = "9"
    & skf18("10","5","5","8","3","4","1") = "9"
    & skf18("10","5","5","8","3","5","1") = "9"
    & skf18("10","5","5","8","3","6","1") = "9"
    & skf18("10","5","5","8","3","7","1") = "9"
    & skf18("10","5","5","8","3","8","1") = "9"
    & skf18("10","5","5","8","3","9","1") = "9"
    & skf18("10","5","5","8","3","10","1") = "9"
    & skf18("10","5","5","8","4","1","1") = "9"
    & skf18("10","5","5","8","4","2","1") = "9"
    & skf18("10","5","5","8","4","3","1") = "9"
    & skf18("10","5","5","8","4","4","1") = "9"
    & skf18("10","5","5","8","4","5","1") = "9"
    & skf18("10","5","5","8","4","6","1") = "9"
    & skf18("10","5","5","8","4","7","1") = "9"
    & skf18("10","5","5","8","4","8","1") = "9"
    & skf18("10","5","5","8","4","9","1") = "9"
    & skf18("10","5","5","8","4","10","1") = "9"
    & skf18("10","5","5","8","5","1","1") = "9"
    & skf18("10","5","5","8","5","2","1") = "9"
    & skf18("10","5","5","8","5","3","1") = "9"
    & skf18("10","5","5","8","5","4","1") = "9"
    & skf18("10","5","5","8","5","5","1") = "9"
    & skf18("10","5","5","8","5","6","1") = "9"
    & skf18("10","5","5","8","5","7","1") = "9"
    & skf18("10","5","5","8","5","8","1") = "9"
    & skf18("10","5","5","8","5","9","1") = "9"
    & skf18("10","5","5","8","5","10","1") = "9"
    & skf18("10","5","5","8","6","1","1") = "9"
    & skf18("10","5","5","8","6","2","1") = "9"
    & skf18("10","5","5","8","6","3","1") = "9"
    & skf18("10","5","5","8","6","4","1") = "9"
    & skf18("10","5","5","8","6","5","1") = "9"
    & skf18("10","5","5","8","6","6","1") = "9"
    & skf18("10","5","5","8","6","7","1") = "9"
    & skf18("10","5","5","8","6","8","1") = "9"
    & skf18("10","5","5","8","6","9","1") = "9"
    & skf18("10","5","5","8","6","10","1") = "9"
    & skf18("10","5","5","8","7","1","1") = "9"
    & skf18("10","5","5","8","7","2","1") = "9"
    & skf18("10","5","5","8","7","3","1") = "9"
    & skf18("10","5","5","8","7","4","1") = "9"
    & skf18("10","5","5","8","7","5","1") = "9"
    & skf18("10","5","5","8","7","6","1") = "9"
    & skf18("10","5","5","8","7","7","1") = "9"
    & skf18("10","5","5","8","7","8","1") = "9"
    & skf18("10","5","5","8","7","9","1") = "9"
    & skf18("10","5","5","8","7","10","1") = "9"
    & skf18("10","5","5","8","8","1","1") = "9"
    & skf18("10","5","5","8","8","2","1") = "9"
    & skf18("10","5","5","8","8","3","1") = "9"
    & skf18("10","5","5","8","8","4","1") = "9"
    & skf18("10","5","5","8","8","5","1") = "9"
    & skf18("10","5","5","8","8","6","1") = "9"
    & skf18("10","5","5","8","8","7","1") = "9"
    & skf18("10","5","5","8","8","8","1") = "9"
    & skf18("10","5","5","8","8","9","1") = "9"
    & skf18("10","5","5","8","8","10","1") = "9"
    & skf18("10","5","5","8","9","1","1") = "9"
    & skf18("10","5","5","8","9","2","1") = "9"
    & skf18("10","5","5","8","9","3","1") = "9"
    & skf18("10","5","5","8","9","4","1") = "9"
    & skf18("10","5","5","8","9","5","1") = "9"
    & skf18("10","5","5","8","9","6","1") = "9"
    & skf18("10","5","5","8","9","7","1") = "9"
    & skf18("10","5","5","8","9","8","1") = "9"
    & skf18("10","5","5","8","9","9","1") = "9"
    & skf18("10","5","5","8","9","10","1") = "9"
    & skf18("10","5","5","8","10","1","1") = "9"
    & skf18("10","5","5","8","10","2","1") = "9"
    & skf18("10","5","5","8","10","3","1") = "9"
    & skf18("10","5","5","8","10","4","1") = "9"
    & skf18("10","5","5","8","10","5","1") = "9"
    & skf18("10","5","5","8","10","6","1") = "9"
    & skf18("10","5","5","8","10","7","1") = "9"
    & skf18("10","5","5","8","10","8","1") = "9"
    & skf18("10","5","5","8","10","9","1") = "9"
    & skf18("10","5","5","8","10","10","1") = "9"
    & skf18("10","5","5","9","1","1","1") = "9"
    & skf18("10","5","5","9","1","2","1") = "9"
    & skf18("10","5","5","9","1","3","1") = "9"
    & skf18("10","5","5","9","1","4","1") = "9"
    & skf18("10","5","5","9","1","5","1") = "9"
    & skf18("10","5","5","9","1","6","1") = "9"
    & skf18("10","5","5","9","1","7","1") = "9"
    & skf18("10","5","5","9","1","8","1") = "9"
    & skf18("10","5","5","9","1","9","1") = "9"
    & skf18("10","5","5","9","1","10","1") = "9"
    & skf18("10","5","5","9","2","1","1") = "9"
    & skf18("10","5","5","9","2","2","1") = "9"
    & skf18("10","5","5","9","2","3","1") = "9"
    & skf18("10","5","5","9","2","4","1") = "9"
    & skf18("10","5","5","9","2","5","1") = "9"
    & skf18("10","5","5","9","2","6","1") = "9"
    & skf18("10","5","5","9","2","7","1") = "9"
    & skf18("10","5","5","9","2","8","1") = "9"
    & skf18("10","5","5","9","2","9","1") = "9"
    & skf18("10","5","5","9","2","10","1") = "9"
    & skf18("10","5","5","9","3","1","1") = "9"
    & skf18("10","5","5","9","3","2","1") = "9"
    & skf18("10","5","5","9","3","3","1") = "9"
    & skf18("10","5","5","9","3","4","1") = "9"
    & skf18("10","5","5","9","3","5","1") = "9"
    & skf18("10","5","5","9","3","6","1") = "9"
    & skf18("10","5","5","9","3","7","1") = "9"
    & skf18("10","5","5","9","3","8","1") = "9"
    & skf18("10","5","5","9","3","9","1") = "9"
    & skf18("10","5","5","9","3","10","1") = "9"
    & skf18("10","5","5","9","4","1","1") = "9"
    & skf18("10","5","5","9","4","2","1") = "9"
    & skf18("10","5","5","9","4","3","1") = "9"
    & skf18("10","5","5","9","4","4","1") = "9"
    & skf18("10","5","5","9","4","5","1") = "9"
    & skf18("10","5","5","9","4","6","1") = "9"
    & skf18("10","5","5","9","4","7","1") = "9"
    & skf18("10","5","5","9","4","8","1") = "9"
    & skf18("10","5","5","9","4","9","1") = "9"
    & skf18("10","5","5","9","4","10","1") = "9"
    & skf18("10","5","5","9","5","1","1") = "9"
    & skf18("10","5","5","9","5","2","1") = "9"
    & skf18("10","5","5","9","5","3","1") = "9"
    & skf18("10","5","5","9","5","4","1") = "9"
    & skf18("10","5","5","9","5","5","1") = "9"
    & skf18("10","5","5","9","5","6","1") = "9"
    & skf18("10","5","5","9","5","7","1") = "9"
    & skf18("10","5","5","9","5","8","1") = "9"
    & skf18("10","5","5","9","5","9","1") = "9"
    & skf18("10","5","5","9","5","10","1") = "9"
    & skf18("10","5","5","9","6","1","1") = "9"
    & skf18("10","5","5","9","6","2","1") = "9"
    & skf18("10","5","5","9","6","3","1") = "9"
    & skf18("10","5","5","9","6","4","1") = "9"
    & skf18("10","5","5","9","6","5","1") = "9"
    & skf18("10","5","5","9","6","6","1") = "9"
    & skf18("10","5","5","9","6","7","1") = "9"
    & skf18("10","5","5","9","6","8","1") = "9"
    & skf18("10","5","5","9","6","9","1") = "9"
    & skf18("10","5","5","9","6","10","1") = "9"
    & skf18("10","5","5","9","7","1","1") = "9"
    & skf18("10","5","5","9","7","2","1") = "9"
    & skf18("10","5","5","9","7","3","1") = "9"
    & skf18("10","5","5","9","7","4","1") = "9"
    & skf18("10","5","5","9","7","5","1") = "9"
    & skf18("10","5","5","9","7","6","1") = "9"
    & skf18("10","5","5","9","7","7","1") = "9"
    & skf18("10","5","5","9","7","8","1") = "9"
    & skf18("10","5","5","9","7","9","1") = "9"
    & skf18("10","5","5","9","7","10","1") = "9"
    & skf18("10","5","5","9","8","1","1") = "9"
    & skf18("10","5","5","9","8","2","1") = "9"
    & skf18("10","5","5","9","8","3","1") = "9"
    & skf18("10","5","5","9","8","4","1") = "9"
    & skf18("10","5","5","9","8","5","1") = "9"
    & skf18("10","5","5","9","8","6","1") = "9"
    & skf18("10","5","5","9","8","7","1") = "9"
    & skf18("10","5","5","9","8","8","1") = "9"
    & skf18("10","5","5","9","8","9","1") = "9"
    & skf18("10","5","5","9","8","10","1") = "9"
    & skf18("10","5","5","9","9","1","1") = "9"
    & skf18("10","5","5","9","9","2","1") = "9"
    & skf18("10","5","5","9","9","3","1") = "9"
    & skf18("10","5","5","9","9","4","1") = "9"
    & skf18("10","5","5","9","9","5","1") = "9"
    & skf18("10","5","5","9","9","6","1") = "9"
    & skf18("10","5","5","9","9","7","1") = "9"
    & skf18("10","5","5","9","9","8","1") = "9"
    & skf18("10","5","5","9","9","9","1") = "9"
    & skf18("10","5","5","9","9","10","1") = "9"
    & skf18("10","5","5","9","10","1","1") = "9"
    & skf18("10","5","5","9","10","2","1") = "9"
    & skf18("10","5","5","9","10","3","1") = "9"
    & skf18("10","5","5","9","10","4","1") = "9"
    & skf18("10","5","5","9","10","5","1") = "9"
    & skf18("10","5","5","9","10","6","1") = "9"
    & skf18("10","5","5","9","10","7","1") = "9"
    & skf18("10","5","5","9","10","8","1") = "9"
    & skf18("10","5","5","9","10","9","1") = "9"
    & skf18("10","5","5","9","10","10","1") = "9"
    & skf18("10","5","5","10","1","1","1") = "9"
    & skf18("10","5","5","10","1","2","1") = "9"
    & skf18("10","5","5","10","1","3","1") = "9"
    & skf18("10","5","5","10","1","4","1") = "9"
    & skf18("10","5","5","10","1","5","1") = "9"
    & skf18("10","5","5","10","1","6","1") = "9"
    & skf18("10","5","5","10","1","7","1") = "9"
    & skf18("10","5","5","10","1","8","1") = "9"
    & skf18("10","5","5","10","1","9","1") = "9"
    & skf18("10","5","5","10","1","10","1") = "9"
    & skf18("10","5","5","10","2","1","1") = "9"
    & skf18("10","5","5","10","2","2","1") = "9"
    & skf18("10","5","5","10","2","3","1") = "9"
    & skf18("10","5","5","10","2","4","1") = "9"
    & skf18("10","5","5","10","2","5","1") = "9"
    & skf18("10","5","5","10","2","6","1") = "9"
    & skf18("10","5","5","10","2","7","1") = "9"
    & skf18("10","5","5","10","2","8","1") = "9"
    & skf18("10","5","5","10","2","9","1") = "9"
    & skf18("10","5","5","10","2","10","1") = "9"
    & skf18("10","5","5","10","3","1","1") = "9"
    & skf18("10","5","5","10","3","2","1") = "9"
    & skf18("10","5","5","10","3","3","1") = "9"
    & skf18("10","5","5","10","3","4","1") = "9"
    & skf18("10","5","5","10","3","5","1") = "9"
    & skf18("10","5","5","10","3","6","1") = "9"
    & skf18("10","5","5","10","3","7","1") = "9"
    & skf18("10","5","5","10","3","8","1") = "9"
    & skf18("10","5","5","10","3","9","1") = "9"
    & skf18("10","5","5","10","3","10","1") = "9"
    & skf18("10","5","5","10","4","1","1") = "9"
    & skf18("10","5","5","10","4","2","1") = "9"
    & skf18("10","5","5","10","4","3","1") = "9"
    & skf18("10","5","5","10","4","4","1") = "9"
    & skf18("10","5","5","10","4","5","1") = "9"
    & skf18("10","5","5","10","4","6","1") = "9"
    & skf18("10","5","5","10","4","7","1") = "9"
    & skf18("10","5","5","10","4","8","1") = "9"
    & skf18("10","5","5","10","4","9","1") = "9"
    & skf18("10","5","5","10","4","10","1") = "9"
    & skf18("10","5","5","10","5","1","1") = "9"
    & skf18("10","5","5","10","5","2","1") = "9"
    & skf18("10","5","5","10","5","3","1") = "9"
    & skf18("10","5","5","10","5","4","1") = "9"
    & skf18("10","5","5","10","5","5","1") = "9"
    & skf18("10","5","5","10","5","6","1") = "9"
    & skf18("10","5","5","10","5","7","1") = "9"
    & skf18("10","5","5","10","5","8","1") = "9"
    & skf18("10","5","5","10","5","9","1") = "9"
    & skf18("10","5","5","10","5","10","1") = "9"
    & skf18("10","5","5","10","6","1","1") = "9"
    & skf18("10","5","5","10","6","2","1") = "9"
    & skf18("10","5","5","10","6","3","1") = "9"
    & skf18("10","5","5","10","6","4","1") = "9"
    & skf18("10","5","5","10","6","5","1") = "9"
    & skf18("10","5","5","10","6","6","1") = "9"
    & skf18("10","5","5","10","6","7","1") = "9"
    & skf18("10","5","5","10","6","8","1") = "9"
    & skf18("10","5","5","10","6","9","1") = "9"
    & skf18("10","5","5","10","6","10","1") = "9"
    & skf18("10","5","5","10","7","1","1") = "9"
    & skf18("10","5","5","10","7","2","1") = "9"
    & skf18("10","5","5","10","7","3","1") = "9"
    & skf18("10","5","5","10","7","4","1") = "9"
    & skf18("10","5","5","10","7","5","1") = "9"
    & skf18("10","5","5","10","7","6","1") = "9"
    & skf18("10","5","5","10","7","7","1") = "9"
    & skf18("10","5","5","10","7","8","1") = "9"
    & skf18("10","5","5","10","7","9","1") = "9"
    & skf18("10","5","5","10","7","10","1") = "9"
    & skf18("10","5","5","10","8","1","1") = "9"
    & skf18("10","5","5","10","8","2","1") = "9"
    & skf18("10","5","5","10","8","3","1") = "9"
    & skf18("10","5","5","10","8","4","1") = "9"
    & skf18("10","5","5","10","8","5","1") = "9"
    & skf18("10","5","5","10","8","6","1") = "9"
    & skf18("10","5","5","10","8","7","1") = "9"
    & skf18("10","5","5","10","8","8","1") = "9"
    & skf18("10","5","5","10","8","9","1") = "9"
    & skf18("10","5","5","10","8","10","1") = "9"
    & skf18("10","5","5","10","9","1","1") = "9"
    & skf18("10","5","5","10","9","2","1") = "9"
    & skf18("10","5","5","10","9","3","1") = "9"
    & skf18("10","5","5","10","9","4","1") = "9"
    & skf18("10","5","5","10","9","5","1") = "9"
    & skf18("10","5","5","10","9","6","1") = "9"
    & skf18("10","5","5","10","9","7","1") = "9"
    & skf18("10","5","5","10","9","8","1") = "9"
    & skf18("10","5","5","10","9","9","1") = "9"
    & skf18("10","5","5","10","9","10","1") = "9"
    & skf18("10","5","5","10","10","1","1") = "9"
    & skf18("10","5","5","10","10","2","1") = "9"
    & skf18("10","5","5","10","10","3","1") = "9"
    & skf18("10","5","5","10","10","4","1") = "9"
    & skf18("10","5","5","10","10","5","1") = "9"
    & skf18("10","5","5","10","10","6","1") = "9"
    & skf18("10","5","5","10","10","7","1") = "9"
    & skf18("10","5","5","10","10","8","1") = "9"
    & skf18("10","5","5","10","10","9","1") = "9"
    & skf18("10","5","5","10","10","10","1") = "9"
    & skf18("10","5","6","1","1","1","1") = "9"
    & skf18("10","5","6","1","1","2","1") = "9"
    & skf18("10","5","6","1","1","3","1") = "9"
    & skf18("10","5","6","1","1","4","1") = "9"
    & skf18("10","5","6","1","1","5","1") = "9"
    & skf18("10","5","6","1","1","6","1") = "9"
    & skf18("10","5","6","1","1","7","1") = "9"
    & skf18("10","5","6","1","1","8","1") = "9"
    & skf18("10","5","6","1","1","9","1") = "9"
    & skf18("10","5","6","1","1","10","1") = "9"
    & skf18("10","5","6","1","2","1","1") = "9"
    & skf18("10","5","6","1","2","2","1") = "9"
    & skf18("10","5","6","1","2","3","1") = "9"
    & skf18("10","5","6","1","2","4","1") = "9"
    & skf18("10","5","6","1","2","5","1") = "9"
    & skf18("10","5","6","1","2","6","1") = "9"
    & skf18("10","5","6","1","2","7","1") = "9"
    & skf18("10","5","6","1","2","8","1") = "9"
    & skf18("10","5","6","1","2","9","1") = "9"
    & skf18("10","5","6","1","2","10","1") = "9"
    & skf18("10","5","6","1","3","1","1") = "9"
    & skf18("10","5","6","1","3","2","1") = "9"
    & skf18("10","5","6","1","3","3","1") = "9"
    & skf18("10","5","6","1","3","4","1") = "9"
    & skf18("10","5","6","1","3","5","1") = "9"
    & skf18("10","5","6","1","3","6","1") = "9"
    & skf18("10","5","6","1","3","7","1") = "9"
    & skf18("10","5","6","1","3","8","1") = "9"
    & skf18("10","5","6","1","3","9","1") = "9"
    & skf18("10","5","6","1","3","10","1") = "9"
    & skf18("10","5","6","1","4","1","1") = "9"
    & skf18("10","5","6","1","4","2","1") = "9"
    & skf18("10","5","6","1","4","3","1") = "9"
    & skf18("10","5","6","1","4","4","1") = "9"
    & skf18("10","5","6","1","4","5","1") = "9"
    & skf18("10","5","6","1","4","6","1") = "9"
    & skf18("10","5","6","1","4","7","1") = "9"
    & skf18("10","5","6","1","4","8","1") = "9"
    & skf18("10","5","6","1","4","9","1") = "9"
    & skf18("10","5","6","1","4","10","1") = "9"
    & skf18("10","5","6","1","5","1","1") = "9"
    & skf18("10","5","6","1","5","2","1") = "9"
    & skf18("10","5","6","1","5","3","1") = "9"
    & skf18("10","5","6","1","5","4","1") = "9"
    & skf18("10","5","6","1","5","5","1") = "9"
    & skf18("10","5","6","1","5","6","1") = "9"
    & skf18("10","5","6","1","5","7","1") = "9"
    & skf18("10","5","6","1","5","8","1") = "9"
    & skf18("10","5","6","1","5","9","1") = "9"
    & skf18("10","5","6","1","5","10","1") = "9"
    & skf18("10","5","6","1","6","1","1") = "9"
    & skf18("10","5","6","1","6","2","1") = "9"
    & skf18("10","5","6","1","6","3","1") = "9"
    & skf18("10","5","6","1","6","4","1") = "9"
    & skf18("10","5","6","1","6","5","1") = "9"
    & skf18("10","5","6","1","6","6","1") = "9"
    & skf18("10","5","6","1","6","7","1") = "9"
    & skf18("10","5","6","1","6","8","1") = "9"
    & skf18("10","5","6","1","6","9","1") = "9"
    & skf18("10","5","6","1","6","10","1") = "9"
    & skf18("10","5","6","1","7","1","1") = "9"
    & skf18("10","5","6","1","7","2","1") = "9"
    & skf18("10","5","6","1","7","3","1") = "9"
    & skf18("10","5","6","1","7","4","1") = "9"
    & skf18("10","5","6","1","7","5","1") = "9"
    & skf18("10","5","6","1","7","6","1") = "9"
    & skf18("10","5","6","1","7","7","1") = "9"
    & skf18("10","5","6","1","7","8","1") = "9"
    & skf18("10","5","6","1","7","9","1") = "9"
    & skf18("10","5","6","1","7","10","1") = "9"
    & skf18("10","5","6","1","8","1","1") = "9"
    & skf18("10","5","6","1","8","2","1") = "9"
    & skf18("10","5","6","1","8","3","1") = "9"
    & skf18("10","5","6","1","8","4","1") = "9"
    & skf18("10","5","6","1","8","5","1") = "9"
    & skf18("10","5","6","1","8","6","1") = "9"
    & skf18("10","5","6","1","8","7","1") = "9"
    & skf18("10","5","6","1","8","8","1") = "9"
    & skf18("10","5","6","1","8","9","1") = "9"
    & skf18("10","5","6","1","8","10","1") = "9"
    & skf18("10","5","6","1","9","1","1") = "9"
    & skf18("10","5","6","1","9","2","1") = "9"
    & skf18("10","5","6","1","9","3","1") = "9"
    & skf18("10","5","6","1","9","4","1") = "9"
    & skf18("10","5","6","1","9","5","1") = "9"
    & skf18("10","5","6","1","9","6","1") = "9"
    & skf18("10","5","6","1","9","7","1") = "9"
    & skf18("10","5","6","1","9","8","1") = "9"
    & skf18("10","5","6","1","9","9","1") = "9"
    & skf18("10","5","6","1","9","10","1") = "9"
    & skf18("10","5","6","1","10","1","1") = "9"
    & skf18("10","5","6","1","10","2","1") = "9"
    & skf18("10","5","6","1","10","3","1") = "9"
    & skf18("10","5","6","1","10","4","1") = "9"
    & skf18("10","5","6","1","10","5","1") = "9"
    & skf18("10","5","6","1","10","6","1") = "9"
    & skf18("10","5","6","1","10","7","1") = "9"
    & skf18("10","5","6","1","10","8","1") = "9"
    & skf18("10","5","6","1","10","9","1") = "9"
    & skf18("10","5","6","1","10","10","1") = "9"
    & skf18("10","5","6","2","1","1","1") = "9"
    & skf18("10","5","6","2","1","2","1") = "9"
    & skf18("10","5","6","2","1","3","1") = "9"
    & skf18("10","5","6","2","1","4","1") = "9"
    & skf18("10","5","6","2","1","5","1") = "9"
    & skf18("10","5","6","2","1","6","1") = "9"
    & skf18("10","5","6","2","1","7","1") = "9"
    & skf18("10","5","6","2","1","8","1") = "9"
    & skf18("10","5","6","2","1","9","1") = "9"
    & skf18("10","5","6","2","1","10","1") = "9"
    & skf18("10","5","6","2","2","1","1") = "9"
    & skf18("10","5","6","2","2","2","1") = "9"
    & skf18("10","5","6","2","2","3","1") = "9"
    & skf18("10","5","6","2","2","4","1") = "9"
    & skf18("10","5","6","2","2","5","1") = "9"
    & skf18("10","5","6","2","2","6","1") = "9"
    & skf18("10","5","6","2","2","7","1") = "9"
    & skf18("10","5","6","2","2","8","1") = "9"
    & skf18("10","5","6","2","2","9","1") = "9"
    & skf18("10","5","6","2","2","10","1") = "9"
    & skf18("10","5","6","2","3","1","1") = "9"
    & skf18("10","5","6","2","3","2","1") = "9"
    & skf18("10","5","6","2","3","3","1") = "9"
    & skf18("10","5","6","2","3","4","1") = "9"
    & skf18("10","5","6","2","3","5","1") = "9"
    & skf18("10","5","6","2","3","6","1") = "9"
    & skf18("10","5","6","2","3","7","1") = "9"
    & skf18("10","5","6","2","3","8","1") = "9"
    & skf18("10","5","6","2","3","9","1") = "9"
    & skf18("10","5","6","2","3","10","1") = "9"
    & skf18("10","5","6","2","4","1","1") = "9"
    & skf18("10","5","6","2","4","2","1") = "9"
    & skf18("10","5","6","2","4","3","1") = "9"
    & skf18("10","5","6","2","4","4","1") = "9"
    & skf18("10","5","6","2","4","5","1") = "9"
    & skf18("10","5","6","2","4","6","1") = "9"
    & skf18("10","5","6","2","4","7","1") = "9"
    & skf18("10","5","6","2","4","8","1") = "9"
    & skf18("10","5","6","2","4","9","1") = "9"
    & skf18("10","5","6","2","4","10","1") = "9"
    & skf18("10","5","6","2","5","1","1") = "9"
    & skf18("10","5","6","2","5","2","1") = "9"
    & skf18("10","5","6","2","5","3","1") = "9"
    & skf18("10","5","6","2","5","4","1") = "9"
    & skf18("10","5","6","2","5","5","1") = "9"
    & skf18("10","5","6","2","5","6","1") = "9"
    & skf18("10","5","6","2","5","7","1") = "9"
    & skf18("10","5","6","2","5","8","1") = "9"
    & skf18("10","5","6","2","5","9","1") = "9"
    & skf18("10","5","6","2","5","10","1") = "9"
    & skf18("10","5","6","2","6","1","1") = "9"
    & skf18("10","5","6","2","6","2","1") = "9"
    & skf18("10","5","6","2","6","3","1") = "9"
    & skf18("10","5","6","2","6","4","1") = "9"
    & skf18("10","5","6","2","6","5","1") = "9"
    & skf18("10","5","6","2","6","6","1") = "9"
    & skf18("10","5","6","2","6","7","1") = "9"
    & skf18("10","5","6","2","6","8","1") = "9"
    & skf18("10","5","6","2","6","9","1") = "9"
    & skf18("10","5","6","2","6","10","1") = "9"
    & skf18("10","5","6","2","7","1","1") = "9"
    & skf18("10","5","6","2","7","2","1") = "9"
    & skf18("10","5","6","2","7","3","1") = "9"
    & skf18("10","5","6","2","7","4","1") = "9"
    & skf18("10","5","6","2","7","5","1") = "9"
    & skf18("10","5","6","2","7","6","1") = "9"
    & skf18("10","5","6","2","7","7","1") = "9"
    & skf18("10","5","6","2","7","8","1") = "9"
    & skf18("10","5","6","2","7","9","1") = "9"
    & skf18("10","5","6","2","7","10","1") = "9"
    & skf18("10","5","6","2","8","1","1") = "9"
    & skf18("10","5","6","2","8","2","1") = "9"
    & skf18("10","5","6","2","8","3","1") = "9"
    & skf18("10","5","6","2","8","4","1") = "9"
    & skf18("10","5","6","2","8","5","1") = "9"
    & skf18("10","5","6","2","8","6","1") = "9"
    & skf18("10","5","6","2","8","7","1") = "9"
    & skf18("10","5","6","2","8","8","1") = "9"
    & skf18("10","5","6","2","8","9","1") = "9"
    & skf18("10","5","6","2","8","10","1") = "9"
    & skf18("10","5","6","2","9","1","1") = "9"
    & skf18("10","5","6","2","9","2","1") = "9"
    & skf18("10","5","6","2","9","3","1") = "9"
    & skf18("10","5","6","2","9","4","1") = "9"
    & skf18("10","5","6","2","9","5","1") = "9"
    & skf18("10","5","6","2","9","6","1") = "9"
    & skf18("10","5","6","2","9","7","1") = "9"
    & skf18("10","5","6","2","9","8","1") = "9"
    & skf18("10","5","6","2","9","9","1") = "9"
    & skf18("10","5","6","2","9","10","1") = "9"
    & skf18("10","5","6","2","10","1","1") = "9"
    & skf18("10","5","6","2","10","2","1") = "9"
    & skf18("10","5","6","2","10","3","1") = "9"
    & skf18("10","5","6","2","10","4","1") = "9"
    & skf18("10","5","6","2","10","5","1") = "9"
    & skf18("10","5","6","2","10","6","1") = "9"
    & skf18("10","5","6","2","10","7","1") = "9"
    & skf18("10","5","6","2","10","8","1") = "9"
    & skf18("10","5","6","2","10","9","1") = "9"
    & skf18("10","5","6","2","10","10","1") = "9"
    & skf18("10","5","6","3","1","1","1") = "9"
    & skf18("10","5","6","3","1","2","1") = "9"
    & skf18("10","5","6","3","1","3","1") = "9"
    & skf18("10","5","6","3","1","4","1") = "9"
    & skf18("10","5","6","3","1","5","1") = "9"
    & skf18("10","5","6","3","1","6","1") = "9"
    & skf18("10","5","6","3","1","7","1") = "9"
    & skf18("10","5","6","3","1","8","1") = "9"
    & skf18("10","5","6","3","1","9","1") = "9"
    & skf18("10","5","6","3","1","10","1") = "9"
    & skf18("10","5","6","3","2","1","1") = "9"
    & skf18("10","5","6","3","2","2","1") = "9"
    & skf18("10","5","6","3","2","3","1") = "9"
    & skf18("10","5","6","3","2","4","1") = "9"
    & skf18("10","5","6","3","2","5","1") = "9"
    & skf18("10","5","6","3","2","6","1") = "9"
    & skf18("10","5","6","3","2","7","1") = "9"
    & skf18("10","5","6","3","2","8","1") = "9"
    & skf18("10","5","6","3","2","9","1") = "9"
    & skf18("10","5","6","3","2","10","1") = "9"
    & skf18("10","5","6","3","3","1","1") = "9"
    & skf18("10","5","6","3","3","2","1") = "9"
    & skf18("10","5","6","3","3","3","1") = "9"
    & skf18("10","5","6","3","3","4","1") = "9"
    & skf18("10","5","6","3","3","5","1") = "9"
    & skf18("10","5","6","3","3","6","1") = "9"
    & skf18("10","5","6","3","3","7","1") = "9"
    & skf18("10","5","6","3","3","8","1") = "9"
    & skf18("10","5","6","3","3","9","1") = "9"
    & skf18("10","5","6","3","3","10","1") = "9"
    & skf18("10","5","6","3","4","1","1") = "9"
    & skf18("10","5","6","3","4","2","1") = "9"
    & skf18("10","5","6","3","4","3","1") = "9"
    & skf18("10","5","6","3","4","4","1") = "9"
    & skf18("10","5","6","3","4","5","1") = "9"
    & skf18("10","5","6","3","4","6","1") = "9"
    & skf18("10","5","6","3","4","7","1") = "9"
    & skf18("10","5","6","3","4","8","1") = "9"
    & skf18("10","5","6","3","4","9","1") = "9"
    & skf18("10","5","6","3","4","10","1") = "9"
    & skf18("10","5","6","3","5","1","1") = "9"
    & skf18("10","5","6","3","5","2","1") = "9"
    & skf18("10","5","6","3","5","3","1") = "9"
    & skf18("10","5","6","3","5","4","1") = "9"
    & skf18("10","5","6","3","5","5","1") = "9"
    & skf18("10","5","6","3","5","6","1") = "9"
    & skf18("10","5","6","3","5","7","1") = "9"
    & skf18("10","5","6","3","5","8","1") = "9"
    & skf18("10","5","6","3","5","9","1") = "9"
    & skf18("10","5","6","3","5","10","1") = "9"
    & skf18("10","5","6","3","6","1","1") = "9"
    & skf18("10","5","6","3","6","2","1") = "9"
    & skf18("10","5","6","3","6","3","1") = "9"
    & skf18("10","5","6","3","6","4","1") = "9"
    & skf18("10","5","6","3","6","5","1") = "9"
    & skf18("10","5","6","3","6","6","1") = "9"
    & skf18("10","5","6","3","6","7","1") = "9"
    & skf18("10","5","6","3","6","8","1") = "9"
    & skf18("10","5","6","3","6","9","1") = "9"
    & skf18("10","5","6","3","6","10","1") = "9"
    & skf18("10","5","6","3","7","1","1") = "9"
    & skf18("10","5","6","3","7","2","1") = "9"
    & skf18("10","5","6","3","7","3","1") = "9"
    & skf18("10","5","6","3","7","4","1") = "9"
    & skf18("10","5","6","3","7","5","1") = "9"
    & skf18("10","5","6","3","7","6","1") = "9"
    & skf18("10","5","6","3","7","7","1") = "9"
    & skf18("10","5","6","3","7","8","1") = "9"
    & skf18("10","5","6","3","7","9","1") = "9"
    & skf18("10","5","6","3","7","10","1") = "9"
    & skf18("10","5","6","3","8","1","1") = "9"
    & skf18("10","5","6","3","8","2","1") = "9"
    & skf18("10","5","6","3","8","3","1") = "9"
    & skf18("10","5","6","3","8","4","1") = "9"
    & skf18("10","5","6","3","8","5","1") = "9"
    & skf18("10","5","6","3","8","6","1") = "9"
    & skf18("10","5","6","3","8","7","1") = "9"
    & skf18("10","5","6","3","8","8","1") = "9"
    & skf18("10","5","6","3","8","9","1") = "9"
    & skf18("10","5","6","3","8","10","1") = "9"
    & skf18("10","5","6","3","9","1","1") = "9"
    & skf18("10","5","6","3","9","2","1") = "9"
    & skf18("10","5","6","3","9","3","1") = "9"
    & skf18("10","5","6","3","9","4","1") = "9"
    & skf18("10","5","6","3","9","5","1") = "9"
    & skf18("10","5","6","3","9","6","1") = "9"
    & skf18("10","5","6","3","9","7","1") = "9"
    & skf18("10","5","6","3","9","8","1") = "9"
    & skf18("10","5","6","3","9","9","1") = "9"
    & skf18("10","5","6","3","9","10","1") = "9"
    & skf18("10","5","6","3","10","1","1") = "9"
    & skf18("10","5","6","3","10","2","1") = "9"
    & skf18("10","5","6","3","10","3","1") = "9"
    & skf18("10","5","6","3","10","4","1") = "9"
    & skf18("10","5","6","3","10","5","1") = "9"
    & skf18("10","5","6","3","10","6","1") = "9"
    & skf18("10","5","6","3","10","7","1") = "9"
    & skf18("10","5","6","3","10","8","1") = "9"
    & skf18("10","5","6","3","10","9","1") = "9"
    & skf18("10","5","6","3","10","10","1") = "9"
    & skf18("10","5","6","4","1","1","1") = "9"
    & skf18("10","5","6","4","1","2","1") = "9"
    & skf18("10","5","6","4","1","3","1") = "9"
    & skf18("10","5","6","4","1","4","1") = "9"
    & skf18("10","5","6","4","1","5","1") = "9"
    & skf18("10","5","6","4","1","6","1") = "9"
    & skf18("10","5","6","4","1","7","1") = "9"
    & skf18("10","5","6","4","1","8","1") = "9"
    & skf18("10","5","6","4","1","9","1") = "9"
    & skf18("10","5","6","4","1","10","1") = "9"
    & skf18("10","5","6","4","2","1","1") = "9"
    & skf18("10","5","6","4","2","2","1") = "9"
    & skf18("10","5","6","4","2","3","1") = "9"
    & skf18("10","5","6","4","2","4","1") = "9"
    & skf18("10","5","6","4","2","5","1") = "9"
    & skf18("10","5","6","4","2","6","1") = "9"
    & skf18("10","5","6","4","2","7","1") = "9"
    & skf18("10","5","6","4","2","8","1") = "9"
    & skf18("10","5","6","4","2","9","1") = "9"
    & skf18("10","5","6","4","2","10","1") = "9"
    & skf18("10","5","6","4","3","1","1") = "9"
    & skf18("10","5","6","4","3","2","1") = "9"
    & skf18("10","5","6","4","3","3","1") = "9"
    & skf18("10","5","6","4","3","4","1") = "9"
    & skf18("10","5","6","4","3","5","1") = "9"
    & skf18("10","5","6","4","3","6","1") = "9"
    & skf18("10","5","6","4","3","7","1") = "9"
    & skf18("10","5","6","4","3","8","1") = "9"
    & skf18("10","5","6","4","3","9","1") = "9"
    & skf18("10","5","6","4","3","10","1") = "9"
    & skf18("10","5","6","4","4","1","1") = "9"
    & skf18("10","5","6","4","4","2","1") = "9"
    & skf18("10","5","6","4","4","3","1") = "9"
    & skf18("10","5","6","4","4","4","1") = "9"
    & skf18("10","5","6","4","4","5","1") = "9"
    & skf18("10","5","6","4","4","6","1") = "9"
    & skf18("10","5","6","4","4","7","1") = "9"
    & skf18("10","5","6","4","4","8","1") = "9"
    & skf18("10","5","6","4","4","9","1") = "9"
    & skf18("10","5","6","4","4","10","1") = "9"
    & skf18("10","5","6","4","5","1","1") = "9"
    & skf18("10","5","6","4","5","2","1") = "9"
    & skf18("10","5","6","4","5","3","1") = "9"
    & skf18("10","5","6","4","5","4","1") = "9"
    & skf18("10","5","6","4","5","5","1") = "9"
    & skf18("10","5","6","4","5","6","1") = "9"
    & skf18("10","5","6","4","5","7","1") = "9"
    & skf18("10","5","6","4","5","8","1") = "9"
    & skf18("10","5","6","4","5","9","1") = "9"
    & skf18("10","5","6","4","5","10","1") = "9"
    & skf18("10","5","6","4","6","1","1") = "9"
    & skf18("10","5","6","4","6","2","1") = "9"
    & skf18("10","5","6","4","6","3","1") = "9"
    & skf18("10","5","6","4","6","4","1") = "9"
    & skf18("10","5","6","4","6","5","1") = "9"
    & skf18("10","5","6","4","6","6","1") = "9"
    & skf18("10","5","6","4","6","7","1") = "9"
    & skf18("10","5","6","4","6","8","1") = "9"
    & skf18("10","5","6","4","6","9","1") = "9"
    & skf18("10","5","6","4","6","10","1") = "9"
    & skf18("10","5","6","4","7","1","1") = "9"
    & skf18("10","5","6","4","7","2","1") = "9"
    & skf18("10","5","6","4","7","3","1") = "9"
    & skf18("10","5","6","4","7","4","1") = "9"
    & skf18("10","5","6","4","7","5","1") = "9"
    & skf18("10","5","6","4","7","6","1") = "9"
    & skf18("10","5","6","4","7","7","1") = "9"
    & skf18("10","5","6","4","7","8","1") = "9"
    & skf18("10","5","6","4","7","9","1") = "9"
    & skf18("10","5","6","4","7","10","1") = "9"
    & skf18("10","5","6","4","8","1","1") = "9"
    & skf18("10","5","6","4","8","2","1") = "9"
    & skf18("10","5","6","4","8","3","1") = "9"
    & skf18("10","5","6","4","8","4","1") = "9"
    & skf18("10","5","6","4","8","5","1") = "9"
    & skf18("10","5","6","4","8","6","1") = "9"
    & skf18("10","5","6","4","8","7","1") = "9"
    & skf18("10","5","6","4","8","8","1") = "9"
    & skf18("10","5","6","4","8","9","1") = "9"
    & skf18("10","5","6","4","8","10","1") = "9"
    & skf18("10","5","6","4","9","1","1") = "9"
    & skf18("10","5","6","4","9","2","1") = "9"
    & skf18("10","5","6","4","9","3","1") = "9"
    & skf18("10","5","6","4","9","4","1") = "9"
    & skf18("10","5","6","4","9","5","1") = "9"
    & skf18("10","5","6","4","9","6","1") = "9"
    & skf18("10","5","6","4","9","7","1") = "9"
    & skf18("10","5","6","4","9","8","1") = "9"
    & skf18("10","5","6","4","9","9","1") = "9"
    & skf18("10","5","6","4","9","10","1") = "9"
    & skf18("10","5","6","4","10","1","1") = "9"
    & skf18("10","5","6","4","10","2","1") = "9"
    & skf18("10","5","6","4","10","3","1") = "9"
    & skf18("10","5","6","4","10","4","1") = "9"
    & skf18("10","5","6","4","10","5","1") = "9"
    & skf18("10","5","6","4","10","6","1") = "9"
    & skf18("10","5","6","4","10","7","1") = "9"
    & skf18("10","5","6","4","10","8","1") = "9"
    & skf18("10","5","6","4","10","9","1") = "9"
    & skf18("10","5","6","4","10","10","1") = "9"
    & skf18("10","5","6","5","1","1","1") = "9"
    & skf18("10","5","6","5","1","2","1") = "9"
    & skf18("10","5","6","5","1","3","1") = "9"
    & skf18("10","5","6","5","1","4","1") = "9"
    & skf18("10","5","6","5","1","5","1") = "9"
    & skf18("10","5","6","5","1","6","1") = "9"
    & skf18("10","5","6","5","1","7","1") = "9"
    & skf18("10","5","6","5","1","8","1") = "9"
    & skf18("10","5","6","5","1","9","1") = "9"
    & skf18("10","5","6","5","1","10","1") = "9"
    & skf18("10","5","6","5","2","1","1") = "9"
    & skf18("10","5","6","5","2","2","1") = "9"
    & skf18("10","5","6","5","2","3","1") = "9"
    & skf18("10","5","6","5","2","4","1") = "9"
    & skf18("10","5","6","5","2","5","1") = "9"
    & skf18("10","5","6","5","2","6","1") = "9"
    & skf18("10","5","6","5","2","7","1") = "9"
    & skf18("10","5","6","5","2","8","1") = "9"
    & skf18("10","5","6","5","2","9","1") = "9"
    & skf18("10","5","6","5","2","10","1") = "9"
    & skf18("10","5","6","5","3","1","1") = "9"
    & skf18("10","5","6","5","3","2","1") = "9"
    & skf18("10","5","6","5","3","3","1") = "9"
    & skf18("10","5","6","5","3","4","1") = "9"
    & skf18("10","5","6","5","3","5","1") = "9"
    & skf18("10","5","6","5","3","6","1") = "9"
    & skf18("10","5","6","5","3","7","1") = "9"
    & skf18("10","5","6","5","3","8","1") = "9"
    & skf18("10","5","6","5","3","9","1") = "9"
    & skf18("10","5","6","5","3","10","1") = "9"
    & skf18("10","5","6","5","4","1","1") = "9"
    & skf18("10","5","6","5","4","2","1") = "9"
    & skf18("10","5","6","5","4","3","1") = "9"
    & skf18("10","5","6","5","4","4","1") = "9"
    & skf18("10","5","6","5","4","5","1") = "9"
    & skf18("10","5","6","5","4","6","1") = "9"
    & skf18("10","5","6","5","4","7","1") = "9"
    & skf18("10","5","6","5","4","8","1") = "9"
    & skf18("10","5","6","5","4","9","1") = "9"
    & skf18("10","5","6","5","4","10","1") = "9"
    & skf18("10","5","6","5","5","1","1") = "9"
    & skf18("10","5","6","5","5","2","1") = "9"
    & skf18("10","5","6","5","5","3","1") = "9"
    & skf18("10","5","6","5","5","4","1") = "9"
    & skf18("10","5","6","5","5","5","1") = "9"
    & skf18("10","5","6","5","5","6","1") = "9"
    & skf18("10","5","6","5","5","7","1") = "9"
    & skf18("10","5","6","5","5","8","1") = "9"
    & skf18("10","5","6","5","5","9","1") = "9"
    & skf18("10","5","6","5","5","10","1") = "9"
    & skf18("10","5","6","5","6","1","1") = "9"
    & skf18("10","5","6","5","6","2","1") = "9"
    & skf18("10","5","6","5","6","3","1") = "9"
    & skf18("10","5","6","5","6","4","1") = "9"
    & skf18("10","5","6","5","6","5","1") = "9"
    & skf18("10","5","6","5","6","6","1") = "9"
    & skf18("10","5","6","5","6","7","1") = "9"
    & skf18("10","5","6","5","6","8","1") = "9"
    & skf18("10","5","6","5","6","9","1") = "9"
    & skf18("10","5","6","5","6","10","1") = "9"
    & skf18("10","5","6","5","7","1","1") = "9"
    & skf18("10","5","6","5","7","2","1") = "9"
    & skf18("10","5","6","5","7","3","1") = "9"
    & skf18("10","5","6","5","7","4","1") = "9"
    & skf18("10","5","6","5","7","5","1") = "9"
    & skf18("10","5","6","5","7","6","1") = "9"
    & skf18("10","5","6","5","7","7","1") = "9"
    & skf18("10","5","6","5","7","8","1") = "9"
    & skf18("10","5","6","5","7","9","1") = "9"
    & skf18("10","5","6","5","7","10","1") = "9"
    & skf18("10","5","6","5","8","1","1") = "9"
    & skf18("10","5","6","5","8","2","1") = "9"
    & skf18("10","5","6","5","8","3","1") = "9"
    & skf18("10","5","6","5","8","4","1") = "9"
    & skf18("10","5","6","5","8","5","1") = "9"
    & skf18("10","5","6","5","8","6","1") = "9"
    & skf18("10","5","6","5","8","7","1") = "9"
    & skf18("10","5","6","5","8","8","1") = "9"
    & skf18("10","5","6","5","8","9","1") = "9"
    & skf18("10","5","6","5","8","10","1") = "9"
    & skf18("10","5","6","5","9","1","1") = "9"
    & skf18("10","5","6","5","9","2","1") = "9"
    & skf18("10","5","6","5","9","3","1") = "9"
    & skf18("10","5","6","5","9","4","1") = "9"
    & skf18("10","5","6","5","9","5","1") = "9"
    & skf18("10","5","6","5","9","6","1") = "9"
    & skf18("10","5","6","5","9","7","1") = "9"
    & skf18("10","5","6","5","9","8","1") = "9"
    & skf18("10","5","6","5","9","9","1") = "9"
    & skf18("10","5","6","5","9","10","1") = "9"
    & skf18("10","5","6","5","10","1","1") = "9"
    & skf18("10","5","6","5","10","2","1") = "9"
    & skf18("10","5","6","5","10","3","1") = "9"
    & skf18("10","5","6","5","10","4","1") = "9"
    & skf18("10","5","6","5","10","5","1") = "9"
    & skf18("10","5","6","5","10","6","1") = "9"
    & skf18("10","5","6","5","10","7","1") = "9"
    & skf18("10","5","6","5","10","8","1") = "9"
    & skf18("10","5","6","5","10","9","1") = "9"
    & skf18("10","5","6","5","10","10","1") = "9"
    & skf18("10","5","6","6","1","1","1") = "9"
    & skf18("10","5","6","6","1","2","1") = "9"
    & skf18("10","5","6","6","1","3","1") = "9"
    & skf18("10","5","6","6","1","4","1") = "9"
    & skf18("10","5","6","6","1","5","1") = "9"
    & skf18("10","5","6","6","1","6","1") = "9"
    & skf18("10","5","6","6","1","7","1") = "9"
    & skf18("10","5","6","6","1","8","1") = "9"
    & skf18("10","5","6","6","1","9","1") = "9"
    & skf18("10","5","6","6","1","10","1") = "9"
    & skf18("10","5","6","6","2","1","1") = "9"
    & skf18("10","5","6","6","2","2","1") = "9"
    & skf18("10","5","6","6","2","3","1") = "9"
    & skf18("10","5","6","6","2","4","1") = "9"
    & skf18("10","5","6","6","2","5","1") = "9"
    & skf18("10","5","6","6","2","6","1") = "9"
    & skf18("10","5","6","6","2","7","1") = "9"
    & skf18("10","5","6","6","2","8","1") = "9"
    & skf18("10","5","6","6","2","9","1") = "9"
    & skf18("10","5","6","6","2","10","1") = "9"
    & skf18("10","5","6","6","3","1","1") = "9"
    & skf18("10","5","6","6","3","2","1") = "9"
    & skf18("10","5","6","6","3","3","1") = "9"
    & skf18("10","5","6","6","3","4","1") = "9"
    & skf18("10","5","6","6","3","5","1") = "9"
    & skf18("10","5","6","6","3","6","1") = "9"
    & skf18("10","5","6","6","3","7","1") = "9"
    & skf18("10","5","6","6","3","8","1") = "9"
    & skf18("10","5","6","6","3","9","1") = "9"
    & skf18("10","5","6","6","3","10","1") = "9"
    & skf18("10","5","6","6","4","1","1") = "9"
    & skf18("10","5","6","6","4","2","1") = "9"
    & skf18("10","5","6","6","4","3","1") = "9"
    & skf18("10","5","6","6","4","4","1") = "9"
    & skf18("10","5","6","6","4","5","1") = "9"
    & skf18("10","5","6","6","4","6","1") = "9"
    & skf18("10","5","6","6","4","7","1") = "9"
    & skf18("10","5","6","6","4","8","1") = "9"
    & skf18("10","5","6","6","4","9","1") = "9"
    & skf18("10","5","6","6","4","10","1") = "9"
    & skf18("10","5","6","6","5","1","1") = "9"
    & skf18("10","5","6","6","5","2","1") = "9"
    & skf18("10","5","6","6","5","3","1") = "9"
    & skf18("10","5","6","6","5","4","1") = "9"
    & skf18("10","5","6","6","5","5","1") = "9"
    & skf18("10","5","6","6","5","6","1") = "9"
    & skf18("10","5","6","6","5","7","1") = "9"
    & skf18("10","5","6","6","5","8","1") = "9"
    & skf18("10","5","6","6","5","9","1") = "9"
    & skf18("10","5","6","6","5","10","1") = "9"
    & skf18("10","5","6","6","6","1","1") = "9"
    & skf18("10","5","6","6","6","2","1") = "9"
    & skf18("10","5","6","6","6","3","1") = "9"
    & skf18("10","5","6","6","6","4","1") = "9"
    & skf18("10","5","6","6","6","5","1") = "9"
    & skf18("10","5","6","6","6","6","1") = "9"
    & skf18("10","5","6","6","6","7","1") = "9"
    & skf18("10","5","6","6","6","8","1") = "9"
    & skf18("10","5","6","6","6","9","1") = "9"
    & skf18("10","5","6","6","6","10","1") = "9"
    & skf18("10","5","6","6","7","1","1") = "9"
    & skf18("10","5","6","6","7","2","1") = "9"
    & skf18("10","5","6","6","7","3","1") = "9"
    & skf18("10","5","6","6","7","4","1") = "9"
    & skf18("10","5","6","6","7","5","1") = "9"
    & skf18("10","5","6","6","7","6","1") = "9"
    & skf18("10","5","6","6","7","7","1") = "9"
    & skf18("10","5","6","6","7","8","1") = "9"
    & skf18("10","5","6","6","7","9","1") = "9"
    & skf18("10","5","6","6","7","10","1") = "9"
    & skf18("10","5","6","6","8","1","1") = "9"
    & skf18("10","5","6","6","8","2","1") = "9"
    & skf18("10","5","6","6","8","3","1") = "9"
    & skf18("10","5","6","6","8","4","1") = "9"
    & skf18("10","5","6","6","8","5","1") = "9"
    & skf18("10","5","6","6","8","6","1") = "9"
    & skf18("10","5","6","6","8","7","1") = "9"
    & skf18("10","5","6","6","8","8","1") = "9"
    & skf18("10","5","6","6","8","9","1") = "9"
    & skf18("10","5","6","6","8","10","1") = "9"
    & skf18("10","5","6","6","9","1","1") = "9"
    & skf18("10","5","6","6","9","2","1") = "9"
    & skf18("10","5","6","6","9","3","1") = "9"
    & skf18("10","5","6","6","9","4","1") = "9"
    & skf18("10","5","6","6","9","5","1") = "9"
    & skf18("10","5","6","6","9","6","1") = "9"
    & skf18("10","5","6","6","9","7","1") = "9"
    & skf18("10","5","6","6","9","8","1") = "9"
    & skf18("10","5","6","6","9","9","1") = "9"
    & skf18("10","5","6","6","9","10","1") = "9"
    & skf18("10","5","6","6","10","1","1") = "9"
    & skf18("10","5","6","6","10","2","1") = "9"
    & skf18("10","5","6","6","10","3","1") = "9"
    & skf18("10","5","6","6","10","4","1") = "9"
    & skf18("10","5","6","6","10","5","1") = "9"
    & skf18("10","5","6","6","10","6","1") = "9"
    & skf18("10","5","6","6","10","7","1") = "9"
    & skf18("10","5","6","6","10","8","1") = "9"
    & skf18("10","5","6","6","10","9","1") = "9"
    & skf18("10","5","6","6","10","10","1") = "9"
    & skf18("10","5","6","7","1","1","1") = "9"
    & skf18("10","5","6","7","1","2","1") = "9"
    & skf18("10","5","6","7","1","3","1") = "9"
    & skf18("10","5","6","7","1","4","1") = "9"
    & skf18("10","5","6","7","1","5","1") = "9"
    & skf18("10","5","6","7","1","6","1") = "9"
    & skf18("10","5","6","7","1","7","1") = "9"
    & skf18("10","5","6","7","1","8","1") = "9"
    & skf18("10","5","6","7","1","9","1") = "9"
    & skf18("10","5","6","7","1","10","1") = "9"
    & skf18("10","5","6","7","2","1","1") = "9"
    & skf18("10","5","6","7","2","2","1") = "9"
    & skf18("10","5","6","7","2","3","1") = "9"
    & skf18("10","5","6","7","2","4","1") = "9"
    & skf18("10","5","6","7","2","5","1") = "9"
    & skf18("10","5","6","7","2","6","1") = "9"
    & skf18("10","5","6","7","2","7","1") = "9"
    & skf18("10","5","6","7","2","8","1") = "9"
    & skf18("10","5","6","7","2","9","1") = "9"
    & skf18("10","5","6","7","2","10","1") = "9"
    & skf18("10","5","6","7","3","1","1") = "9"
    & skf18("10","5","6","7","3","2","1") = "9"
    & skf18("10","5","6","7","3","3","1") = "9"
    & skf18("10","5","6","7","3","4","1") = "9"
    & skf18("10","5","6","7","3","5","1") = "9"
    & skf18("10","5","6","7","3","6","1") = "9"
    & skf18("10","5","6","7","3","7","1") = "9"
    & skf18("10","5","6","7","3","8","1") = "9"
    & skf18("10","5","6","7","3","9","1") = "9"
    & skf18("10","5","6","7","3","10","1") = "9"
    & skf18("10","5","6","7","4","1","1") = "9"
    & skf18("10","5","6","7","4","2","1") = "9"
    & skf18("10","5","6","7","4","3","1") = "9"
    & skf18("10","5","6","7","4","4","1") = "9"
    & skf18("10","5","6","7","4","5","1") = "9"
    & skf18("10","5","6","7","4","6","1") = "9"
    & skf18("10","5","6","7","4","7","1") = "9"
    & skf18("10","5","6","7","4","8","1") = "9"
    & skf18("10","5","6","7","4","9","1") = "9"
    & skf18("10","5","6","7","4","10","1") = "9"
    & skf18("10","5","6","7","5","1","1") = "9"
    & skf18("10","5","6","7","5","2","1") = "9"
    & skf18("10","5","6","7","5","3","1") = "9"
    & skf18("10","5","6","7","5","4","1") = "9"
    & skf18("10","5","6","7","5","5","1") = "9"
    & skf18("10","5","6","7","5","6","1") = "9"
    & skf18("10","5","6","7","5","7","1") = "9"
    & skf18("10","5","6","7","5","8","1") = "9"
    & skf18("10","5","6","7","5","9","1") = "9"
    & skf18("10","5","6","7","5","10","1") = "9"
    & skf18("10","5","6","7","6","1","1") = "9"
    & skf18("10","5","6","7","6","2","1") = "9"
    & skf18("10","5","6","7","6","3","1") = "9"
    & skf18("10","5","6","7","6","4","1") = "9"
    & skf18("10","5","6","7","6","5","1") = "9"
    & skf18("10","5","6","7","6","6","1") = "9"
    & skf18("10","5","6","7","6","7","1") = "9"
    & skf18("10","5","6","7","6","8","1") = "9"
    & skf18("10","5","6","7","6","9","1") = "9"
    & skf18("10","5","6","7","6","10","1") = "9"
    & skf18("10","5","6","7","7","1","1") = "9"
    & skf18("10","5","6","7","7","2","1") = "9"
    & skf18("10","5","6","7","7","3","1") = "9"
    & skf18("10","5","6","7","7","4","1") = "9"
    & skf18("10","5","6","7","7","5","1") = "9"
    & skf18("10","5","6","7","7","6","1") = "9"
    & skf18("10","5","6","7","7","7","1") = "9"
    & skf18("10","5","6","7","7","8","1") = "9"
    & skf18("10","5","6","7","7","9","1") = "9"
    & skf18("10","5","6","7","7","10","1") = "9"
    & skf18("10","5","6","7","8","1","1") = "9"
    & skf18("10","5","6","7","8","2","1") = "9"
    & skf18("10","5","6","7","8","3","1") = "9"
    & skf18("10","5","6","7","8","4","1") = "9"
    & skf18("10","5","6","7","8","5","1") = "9"
    & skf18("10","5","6","7","8","6","1") = "9"
    & skf18("10","5","6","7","8","7","1") = "9"
    & skf18("10","5","6","7","8","8","1") = "9"
    & skf18("10","5","6","7","8","9","1") = "9"
    & skf18("10","5","6","7","8","10","1") = "9"
    & skf18("10","5","6","7","9","1","1") = "9"
    & skf18("10","5","6","7","9","2","1") = "9"
    & skf18("10","5","6","7","9","3","1") = "9"
    & skf18("10","5","6","7","9","4","1") = "9"
    & skf18("10","5","6","7","9","5","1") = "9"
    & skf18("10","5","6","7","9","6","1") = "9"
    & skf18("10","5","6","7","9","7","1") = "9"
    & skf18("10","5","6","7","9","8","1") = "9"
    & skf18("10","5","6","7","9","9","1") = "9"
    & skf18("10","5","6","7","9","10","1") = "9"
    & skf18("10","5","6","7","10","1","1") = "9"
    & skf18("10","5","6","7","10","2","1") = "9"
    & skf18("10","5","6","7","10","3","1") = "9"
    & skf18("10","5","6","7","10","4","1") = "9"
    & skf18("10","5","6","7","10","5","1") = "9"
    & skf18("10","5","6","7","10","6","1") = "9"
    & skf18("10","5","6","7","10","7","1") = "9"
    & skf18("10","5","6","7","10","8","1") = "9"
    & skf18("10","5","6","7","10","9","1") = "9"
    & skf18("10","5","6","7","10","10","1") = "9"
    & skf18("10","5","6","8","1","1","1") = "9"
    & skf18("10","5","6","8","1","2","1") = "9"
    & skf18("10","5","6","8","1","3","1") = "9"
    & skf18("10","5","6","8","1","4","1") = "9"
    & skf18("10","5","6","8","1","5","1") = "9"
    & skf18("10","5","6","8","1","6","1") = "9"
    & skf18("10","5","6","8","1","7","1") = "9"
    & skf18("10","5","6","8","1","8","1") = "9"
    & skf18("10","5","6","8","1","9","1") = "9"
    & skf18("10","5","6","8","1","10","1") = "9"
    & skf18("10","5","6","8","2","1","1") = "9"
    & skf18("10","5","6","8","2","2","1") = "9"
    & skf18("10","5","6","8","2","3","1") = "9"
    & skf18("10","5","6","8","2","4","1") = "9"
    & skf18("10","5","6","8","2","5","1") = "9"
    & skf18("10","5","6","8","2","6","1") = "9"
    & skf18("10","5","6","8","2","7","1") = "9"
    & skf18("10","5","6","8","2","8","1") = "9"
    & skf18("10","5","6","8","2","9","1") = "9"
    & skf18("10","5","6","8","2","10","1") = "9"
    & skf18("10","5","6","8","3","1","1") = "9"
    & skf18("10","5","6","8","3","2","1") = "9"
    & skf18("10","5","6","8","3","3","1") = "9"
    & skf18("10","5","6","8","3","4","1") = "9"
    & skf18("10","5","6","8","3","5","1") = "9"
    & skf18("10","5","6","8","3","6","1") = "9"
    & skf18("10","5","6","8","3","7","1") = "9"
    & skf18("10","5","6","8","3","8","1") = "9"
    & skf18("10","5","6","8","3","9","1") = "9"
    & skf18("10","5","6","8","3","10","1") = "9"
    & skf18("10","5","6","8","4","1","1") = "9"
    & skf18("10","5","6","8","4","2","1") = "9"
    & skf18("10","5","6","8","4","3","1") = "9"
    & skf18("10","5","6","8","4","4","1") = "9"
    & skf18("10","5","6","8","4","5","1") = "9"
    & skf18("10","5","6","8","4","6","1") = "9"
    & skf18("10","5","6","8","4","7","1") = "9"
    & skf18("10","5","6","8","4","8","1") = "9"
    & skf18("10","5","6","8","4","9","1") = "9"
    & skf18("10","5","6","8","4","10","1") = "9"
    & skf18("10","5","6","8","5","1","1") = "9"
    & skf18("10","5","6","8","5","2","1") = "9"
    & skf18("10","5","6","8","5","3","1") = "9"
    & skf18("10","5","6","8","5","4","1") = "9"
    & skf18("10","5","6","8","5","5","1") = "9"
    & skf18("10","5","6","8","5","6","1") = "9"
    & skf18("10","5","6","8","5","7","1") = "9"
    & skf18("10","5","6","8","5","8","1") = "9"
    & skf18("10","5","6","8","5","9","1") = "9"
    & skf18("10","5","6","8","5","10","1") = "9"
    & skf18("10","5","6","8","6","1","1") = "9"
    & skf18("10","5","6","8","6","2","1") = "9"
    & skf18("10","5","6","8","6","3","1") = "9"
    & skf18("10","5","6","8","6","4","1") = "9"
    & skf18("10","5","6","8","6","5","1") = "9"
    & skf18("10","5","6","8","6","6","1") = "9"
    & skf18("10","5","6","8","6","7","1") = "9"
    & skf18("10","5","6","8","6","8","1") = "9"
    & skf18("10","5","6","8","6","9","1") = "9"
    & skf18("10","5","6","8","6","10","1") = "9"
    & skf18("10","5","6","8","7","1","1") = "9"
    & skf18("10","5","6","8","7","2","1") = "9"
    & skf18("10","5","6","8","7","3","1") = "9"
    & skf18("10","5","6","8","7","4","1") = "9"
    & skf18("10","5","6","8","7","5","1") = "9"
    & skf18("10","5","6","8","7","6","1") = "9"
    & skf18("10","5","6","8","7","7","1") = "9"
    & skf18("10","5","6","8","7","8","1") = "9"
    & skf18("10","5","6","8","7","9","1") = "9"
    & skf18("10","5","6","8","7","10","1") = "9"
    & skf18("10","5","6","8","8","1","1") = "9"
    & skf18("10","5","6","8","8","2","1") = "9"
    & skf18("10","5","6","8","8","3","1") = "9"
    & skf18("10","5","6","8","8","4","1") = "9"
    & skf18("10","5","6","8","8","5","1") = "9"
    & skf18("10","5","6","8","8","6","1") = "9"
    & skf18("10","5","6","8","8","7","1") = "9"
    & skf18("10","5","6","8","8","8","1") = "9"
    & skf18("10","5","6","8","8","9","1") = "9"
    & skf18("10","5","6","8","8","10","1") = "9"
    & skf18("10","5","6","8","9","1","1") = "9"
    & skf18("10","5","6","8","9","2","1") = "9"
    & skf18("10","5","6","8","9","3","1") = "9"
    & skf18("10","5","6","8","9","4","1") = "9"
    & skf18("10","5","6","8","9","5","1") = "9"
    & skf18("10","5","6","8","9","6","1") = "9"
    & skf18("10","5","6","8","9","7","1") = "9"
    & skf18("10","5","6","8","9","8","1") = "9"
    & skf18("10","5","6","8","9","9","1") = "9"
    & skf18("10","5","6","8","9","10","1") = "9"
    & skf18("10","5","6","8","10","1","1") = "9"
    & skf18("10","5","6","8","10","2","1") = "9"
    & skf18("10","5","6","8","10","3","1") = "9"
    & skf18("10","5","6","8","10","4","1") = "9"
    & skf18("10","5","6","8","10","5","1") = "9"
    & skf18("10","5","6","8","10","6","1") = "9"
    & skf18("10","5","6","8","10","7","1") = "9"
    & skf18("10","5","6","8","10","8","1") = "9"
    & skf18("10","5","6","8","10","9","1") = "9"
    & skf18("10","5","6","8","10","10","1") = "9"
    & skf18("10","5","6","9","1","1","1") = "9"
    & skf18("10","5","6","9","1","2","1") = "9"
    & skf18("10","5","6","9","1","3","1") = "9"
    & skf18("10","5","6","9","1","4","1") = "9"
    & skf18("10","5","6","9","1","5","1") = "9"
    & skf18("10","5","6","9","1","6","1") = "9"
    & skf18("10","5","6","9","1","7","1") = "9"
    & skf18("10","5","6","9","1","8","1") = "9"
    & skf18("10","5","6","9","1","9","1") = "9"
    & skf18("10","5","6","9","1","10","1") = "9"
    & skf18("10","5","6","9","2","1","1") = "9"
    & skf18("10","5","6","9","2","2","1") = "9"
    & skf18("10","5","6","9","2","3","1") = "9"
    & skf18("10","5","6","9","2","4","1") = "9"
    & skf18("10","5","6","9","2","5","1") = "9"
    & skf18("10","5","6","9","2","6","1") = "9"
    & skf18("10","5","6","9","2","7","1") = "9"
    & skf18("10","5","6","9","2","8","1") = "9"
    & skf18("10","5","6","9","2","9","1") = "9"
    & skf18("10","5","6","9","2","10","1") = "9"
    & skf18("10","5","6","9","3","1","1") = "9"
    & skf18("10","5","6","9","3","2","1") = "9"
    & skf18("10","5","6","9","3","3","1") = "9"
    & skf18("10","5","6","9","3","4","1") = "9"
    & skf18("10","5","6","9","3","5","1") = "9"
    & skf18("10","5","6","9","3","6","1") = "9"
    & skf18("10","5","6","9","3","7","1") = "9"
    & skf18("10","5","6","9","3","8","1") = "9"
    & skf18("10","5","6","9","3","9","1") = "9"
    & skf18("10","5","6","9","3","10","1") = "9"
    & skf18("10","5","6","9","4","1","1") = "9"
    & skf18("10","5","6","9","4","2","1") = "9"
    & skf18("10","5","6","9","4","3","1") = "9"
    & skf18("10","5","6","9","4","4","1") = "9"
    & skf18("10","5","6","9","4","5","1") = "9"
    & skf18("10","5","6","9","4","6","1") = "9"
    & skf18("10","5","6","9","4","7","1") = "9"
    & skf18("10","5","6","9","4","8","1") = "9"
    & skf18("10","5","6","9","4","9","1") = "9"
    & skf18("10","5","6","9","4","10","1") = "9"
    & skf18("10","5","6","9","5","1","1") = "9"
    & skf18("10","5","6","9","5","2","1") = "9"
    & skf18("10","5","6","9","5","3","1") = "9"
    & skf18("10","5","6","9","5","4","1") = "9"
    & skf18("10","5","6","9","5","5","1") = "9"
    & skf18("10","5","6","9","5","6","1") = "9"
    & skf18("10","5","6","9","5","7","1") = "9"
    & skf18("10","5","6","9","5","8","1") = "9"
    & skf18("10","5","6","9","5","9","1") = "9"
    & skf18("10","5","6","9","5","10","1") = "9"
    & skf18("10","5","6","9","6","1","1") = "9"
    & skf18("10","5","6","9","6","2","1") = "9"
    & skf18("10","5","6","9","6","3","1") = "9"
    & skf18("10","5","6","9","6","4","1") = "9"
    & skf18("10","5","6","9","6","5","1") = "9"
    & skf18("10","5","6","9","6","6","1") = "9"
    & skf18("10","5","6","9","6","7","1") = "9"
    & skf18("10","5","6","9","6","8","1") = "9"
    & skf18("10","5","6","9","6","9","1") = "9"
    & skf18("10","5","6","9","6","10","1") = "9"
    & skf18("10","5","6","9","7","1","1") = "9"
    & skf18("10","5","6","9","7","2","1") = "9"
    & skf18("10","5","6","9","7","3","1") = "9"
    & skf18("10","5","6","9","7","4","1") = "9"
    & skf18("10","5","6","9","7","5","1") = "9"
    & skf18("10","5","6","9","7","6","1") = "9"
    & skf18("10","5","6","9","7","7","1") = "9"
    & skf18("10","5","6","9","7","8","1") = "9"
    & skf18("10","5","6","9","7","9","1") = "9"
    & skf18("10","5","6","9","7","10","1") = "9"
    & skf18("10","5","6","9","8","1","1") = "9"
    & skf18("10","5","6","9","8","2","1") = "9"
    & skf18("10","5","6","9","8","3","1") = "9"
    & skf18("10","5","6","9","8","4","1") = "9"
    & skf18("10","5","6","9","8","5","1") = "9"
    & skf18("10","5","6","9","8","6","1") = "9"
    & skf18("10","5","6","9","8","7","1") = "9"
    & skf18("10","5","6","9","8","8","1") = "9"
    & skf18("10","5","6","9","8","9","1") = "9"
    & skf18("10","5","6","9","8","10","1") = "9"
    & skf18("10","5","6","9","9","1","1") = "9"
    & skf18("10","5","6","9","9","2","1") = "9"
    & skf18("10","5","6","9","9","3","1") = "9"
    & skf18("10","5","6","9","9","4","1") = "9"
    & skf18("10","5","6","9","9","5","1") = "9"
    & skf18("10","5","6","9","9","6","1") = "9"
    & skf18("10","5","6","9","9","7","1") = "9"
    & skf18("10","5","6","9","9","8","1") = "9"
    & skf18("10","5","6","9","9","9","1") = "9"
    & skf18("10","5","6","9","9","10","1") = "9"
    & skf18("10","5","6","9","10","1","1") = "9"
    & skf18("10","5","6","9","10","2","1") = "9"
    & skf18("10","5","6","9","10","3","1") = "9"
    & skf18("10","5","6","9","10","4","1") = "9"
    & skf18("10","5","6","9","10","5","1") = "9"
    & skf18("10","5","6","9","10","6","1") = "9"
    & skf18("10","5","6","9","10","7","1") = "9"
    & skf18("10","5","6","9","10","8","1") = "9"
    & skf18("10","5","6","9","10","9","1") = "9"
    & skf18("10","5","6","9","10","10","1") = "9"
    & skf18("10","5","6","10","1","1","1") = "9"
    & skf18("10","5","6","10","1","2","1") = "9"
    & skf18("10","5","6","10","1","3","1") = "9"
    & skf18("10","5","6","10","1","4","1") = "9"
    & skf18("10","5","6","10","1","5","1") = "9"
    & skf18("10","5","6","10","1","6","1") = "9"
    & skf18("10","5","6","10","1","7","1") = "9"
    & skf18("10","5","6","10","1","8","1") = "9"
    & skf18("10","5","6","10","1","9","1") = "9"
    & skf18("10","5","6","10","1","10","1") = "9"
    & skf18("10","5","6","10","2","1","1") = "9"
    & skf18("10","5","6","10","2","2","1") = "9"
    & skf18("10","5","6","10","2","3","1") = "9"
    & skf18("10","5","6","10","2","4","1") = "9"
    & skf18("10","5","6","10","2","5","1") = "9"
    & skf18("10","5","6","10","2","6","1") = "9"
    & skf18("10","5","6","10","2","7","1") = "9"
    & skf18("10","5","6","10","2","8","1") = "9"
    & skf18("10","5","6","10","2","9","1") = "9"
    & skf18("10","5","6","10","2","10","1") = "9"
    & skf18("10","5","6","10","3","1","1") = "9"
    & skf18("10","5","6","10","3","2","1") = "9"
    & skf18("10","5","6","10","3","3","1") = "9"
    & skf18("10","5","6","10","3","4","1") = "9"
    & skf18("10","5","6","10","3","5","1") = "9"
    & skf18("10","5","6","10","3","6","1") = "9"
    & skf18("10","5","6","10","3","7","1") = "9"
    & skf18("10","5","6","10","3","8","1") = "9"
    & skf18("10","5","6","10","3","9","1") = "9"
    & skf18("10","5","6","10","3","10","1") = "9"
    & skf18("10","5","6","10","4","1","1") = "9"
    & skf18("10","5","6","10","4","2","1") = "9"
    & skf18("10","5","6","10","4","3","1") = "9"
    & skf18("10","5","6","10","4","4","1") = "9"
    & skf18("10","5","6","10","4","5","1") = "9"
    & skf18("10","5","6","10","4","6","1") = "9"
    & skf18("10","5","6","10","4","7","1") = "9"
    & skf18("10","5","6","10","4","8","1") = "9"
    & skf18("10","5","6","10","4","9","1") = "9"
    & skf18("10","5","6","10","4","10","1") = "9"
    & skf18("10","5","6","10","5","1","1") = "9"
    & skf18("10","5","6","10","5","2","1") = "9"
    & skf18("10","5","6","10","5","3","1") = "9"
    & skf18("10","5","6","10","5","4","1") = "9"
    & skf18("10","5","6","10","5","5","1") = "9"
    & skf18("10","5","6","10","5","6","1") = "9"
    & skf18("10","5","6","10","5","7","1") = "9"
    & skf18("10","5","6","10","5","8","1") = "9"
    & skf18("10","5","6","10","5","9","1") = "9"
    & skf18("10","5","6","10","5","10","1") = "9"
    & skf18("10","5","6","10","6","1","1") = "9"
    & skf18("10","5","6","10","6","2","1") = "9"
    & skf18("10","5","6","10","6","3","1") = "9"
    & skf18("10","5","6","10","6","4","1") = "9"
    & skf18("10","5","6","10","6","5","1") = "9"
    & skf18("10","5","6","10","6","6","1") = "9"
    & skf18("10","5","6","10","6","7","1") = "9"
    & skf18("10","5","6","10","6","8","1") = "9"
    & skf18("10","5","6","10","6","9","1") = "9"
    & skf18("10","5","6","10","6","10","1") = "9"
    & skf18("10","5","6","10","7","1","1") = "9"
    & skf18("10","5","6","10","7","2","1") = "9"
    & skf18("10","5","6","10","7","3","1") = "9"
    & skf18("10","5","6","10","7","4","1") = "9"
    & skf18("10","5","6","10","7","5","1") = "9"
    & skf18("10","5","6","10","7","6","1") = "9"
    & skf18("10","5","6","10","7","7","1") = "9"
    & skf18("10","5","6","10","7","8","1") = "9"
    & skf18("10","5","6","10","7","9","1") = "9"
    & skf18("10","5","6","10","7","10","1") = "9"
    & skf18("10","5","6","10","8","1","1") = "9"
    & skf18("10","5","6","10","8","2","1") = "9"
    & skf18("10","5","6","10","8","3","1") = "9"
    & skf18("10","5","6","10","8","4","1") = "9"
    & skf18("10","5","6","10","8","5","1") = "9"
    & skf18("10","5","6","10","8","6","1") = "9"
    & skf18("10","5","6","10","8","7","1") = "9"
    & skf18("10","5","6","10","8","8","1") = "9"
    & skf18("10","5","6","10","8","9","1") = "9"
    & skf18("10","5","6","10","8","10","1") = "9"
    & skf18("10","5","6","10","9","1","1") = "9"
    & skf18("10","5","6","10","9","2","1") = "9"
    & skf18("10","5","6","10","9","3","1") = "9"
    & skf18("10","5","6","10","9","4","1") = "9"
    & skf18("10","5","6","10","9","5","1") = "9"
    & skf18("10","5","6","10","9","6","1") = "9"
    & skf18("10","5","6","10","9","7","1") = "9"
    & skf18("10","5","6","10","9","8","1") = "9"
    & skf18("10","5","6","10","9","9","1") = "9"
    & skf18("10","5","6","10","9","10","1") = "9"
    & skf18("10","5","6","10","10","1","1") = "9"
    & skf18("10","5","6","10","10","2","1") = "9"
    & skf18("10","5","6","10","10","3","1") = "9"
    & skf18("10","5","6","10","10","4","1") = "9"
    & skf18("10","5","6","10","10","5","1") = "9"
    & skf18("10","5","6","10","10","6","1") = "9"
    & skf18("10","5","6","10","10","7","1") = "9"
    & skf18("10","5","6","10","10","8","1") = "9"
    & skf18("10","5","6","10","10","9","1") = "9"
    & skf18("10","5","6","10","10","10","1") = "9"
    & skf18("10","5","7","1","1","1","1") = "9"
    & skf18("10","5","7","1","1","2","1") = "9"
    & skf18("10","5","7","1","1","3","1") = "9"
    & skf18("10","5","7","1","1","4","1") = "9"
    & skf18("10","5","7","1","1","5","1") = "9"
    & skf18("10","5","7","1","1","6","1") = "9"
    & skf18("10","5","7","1","1","7","1") = "9"
    & skf18("10","5","7","1","1","8","1") = "9"
    & skf18("10","5","7","1","1","9","1") = "9"
    & skf18("10","5","7","1","1","10","1") = "9"
    & skf18("10","5","7","1","2","1","1") = "9"
    & skf18("10","5","7","1","2","2","1") = "9"
    & skf18("10","5","7","1","2","3","1") = "9"
    & skf18("10","5","7","1","2","4","1") = "9"
    & skf18("10","5","7","1","2","5","1") = "9"
    & skf18("10","5","7","1","2","6","1") = "9"
    & skf18("10","5","7","1","2","7","1") = "9"
    & skf18("10","5","7","1","2","8","1") = "9"
    & skf18("10","5","7","1","2","9","1") = "9"
    & skf18("10","5","7","1","2","10","1") = "9"
    & skf18("10","5","7","1","3","1","1") = "9"
    & skf18("10","5","7","1","3","2","1") = "9"
    & skf18("10","5","7","1","3","3","1") = "9"
    & skf18("10","5","7","1","3","4","1") = "9"
    & skf18("10","5","7","1","3","5","1") = "9"
    & skf18("10","5","7","1","3","6","1") = "9"
    & skf18("10","5","7","1","3","7","1") = "9"
    & skf18("10","5","7","1","3","8","1") = "9"
    & skf18("10","5","7","1","3","9","1") = "9"
    & skf18("10","5","7","1","3","10","1") = "9"
    & skf18("10","5","7","1","4","1","1") = "9"
    & skf18("10","5","7","1","4","2","1") = "9"
    & skf18("10","5","7","1","4","3","1") = "9"
    & skf18("10","5","7","1","4","4","1") = "9"
    & skf18("10","5","7","1","4","5","1") = "9"
    & skf18("10","5","7","1","4","6","1") = "9"
    & skf18("10","5","7","1","4","7","1") = "9"
    & skf18("10","5","7","1","4","8","1") = "9"
    & skf18("10","5","7","1","4","9","1") = "9"
    & skf18("10","5","7","1","4","10","1") = "9"
    & skf18("10","5","7","1","5","1","1") = "9"
    & skf18("10","5","7","1","5","2","1") = "9"
    & skf18("10","5","7","1","5","3","1") = "9"
    & skf18("10","5","7","1","5","4","1") = "9"
    & skf18("10","5","7","1","5","5","1") = "9"
    & skf18("10","5","7","1","5","6","1") = "9"
    & skf18("10","5","7","1","5","7","1") = "9"
    & skf18("10","5","7","1","5","8","1") = "9"
    & skf18("10","5","7","1","5","9","1") = "9"
    & skf18("10","5","7","1","5","10","1") = "9"
    & skf18("10","5","7","1","6","1","1") = "9"
    & skf18("10","5","7","1","6","2","1") = "9"
    & skf18("10","5","7","1","6","3","1") = "9"
    & skf18("10","5","7","1","6","4","1") = "9"
    & skf18("10","5","7","1","6","5","1") = "9"
    & skf18("10","5","7","1","6","6","1") = "9"
    & skf18("10","5","7","1","6","7","1") = "9"
    & skf18("10","5","7","1","6","8","1") = "9"
    & skf18("10","5","7","1","6","9","1") = "9"
    & skf18("10","5","7","1","6","10","1") = "9"
    & skf18("10","5","7","1","7","1","1") = "9"
    & skf18("10","5","7","1","7","2","1") = "9"
    & skf18("10","5","7","1","7","3","1") = "9"
    & skf18("10","5","7","1","7","4","1") = "9"
    & skf18("10","5","7","1","7","5","1") = "9"
    & skf18("10","5","7","1","7","6","1") = "9"
    & skf18("10","5","7","1","7","7","1") = "9"
    & skf18("10","5","7","1","7","8","1") = "9"
    & skf18("10","5","7","1","7","9","1") = "9"
    & skf18("10","5","7","1","7","10","1") = "9"
    & skf18("10","5","7","1","8","1","1") = "9"
    & skf18("10","5","7","1","8","2","1") = "9"
    & skf18("10","5","7","1","8","3","1") = "9"
    & skf18("10","5","7","1","8","4","1") = "9"
    & skf18("10","5","7","1","8","5","1") = "9"
    & skf18("10","5","7","1","8","6","1") = "9"
    & skf18("10","5","7","1","8","7","1") = "9"
    & skf18("10","5","7","1","8","8","1") = "9"
    & skf18("10","5","7","1","8","9","1") = "9"
    & skf18("10","5","7","1","8","10","1") = "9"
    & skf18("10","5","7","1","9","1","1") = "9"
    & skf18("10","5","7","1","9","2","1") = "9"
    & skf18("10","5","7","1","9","3","1") = "9"
    & skf18("10","5","7","1","9","4","1") = "9"
    & skf18("10","5","7","1","9","5","1") = "9"
    & skf18("10","5","7","1","9","6","1") = "9"
    & skf18("10","5","7","1","9","7","1") = "9"
    & skf18("10","5","7","1","9","8","1") = "9"
    & skf18("10","5","7","1","9","9","1") = "9"
    & skf18("10","5","7","1","9","10","1") = "9"
    & skf18("10","5","7","1","10","1","1") = "9"
    & skf18("10","5","7","1","10","2","1") = "9"
    & skf18("10","5","7","1","10","3","1") = "9"
    & skf18("10","5","7","1","10","4","1") = "9"
    & skf18("10","5","7","1","10","5","1") = "9"
    & skf18("10","5","7","1","10","6","1") = "9"
    & skf18("10","5","7","1","10","7","1") = "9"
    & skf18("10","5","7","1","10","8","1") = "9"
    & skf18("10","5","7","1","10","9","1") = "9"
    & skf18("10","5","7","1","10","10","1") = "9"
    & skf18("10","5","7","2","1","1","1") = "9"
    & skf18("10","5","7","2","1","2","1") = "9"
    & skf18("10","5","7","2","1","3","1") = "9"
    & skf18("10","5","7","2","1","4","1") = "9"
    & skf18("10","5","7","2","1","5","1") = "9"
    & skf18("10","5","7","2","1","6","1") = "9"
    & skf18("10","5","7","2","1","7","1") = "9"
    & skf18("10","5","7","2","1","8","1") = "9"
    & skf18("10","5","7","2","1","9","1") = "9"
    & skf18("10","5","7","2","1","10","1") = "9"
    & skf18("10","5","7","2","2","1","1") = "9"
    & skf18("10","5","7","2","2","2","1") = "9"
    & skf18("10","5","7","2","2","3","1") = "9"
    & skf18("10","5","7","2","2","4","1") = "9"
    & skf18("10","5","7","2","2","5","1") = "9"
    & skf18("10","5","7","2","2","6","1") = "9"
    & skf18("10","5","7","2","2","7","1") = "9"
    & skf18("10","5","7","2","2","8","1") = "9"
    & skf18("10","5","7","2","2","9","1") = "9"
    & skf18("10","5","7","2","2","10","1") = "9"
    & skf18("10","5","7","2","3","1","1") = "9"
    & skf18("10","5","7","2","3","2","1") = "9"
    & skf18("10","5","7","2","3","3","1") = "9"
    & skf18("10","5","7","2","3","4","1") = "9"
    & skf18("10","5","7","2","3","5","1") = "9"
    & skf18("10","5","7","2","3","6","1") = "9"
    & skf18("10","5","7","2","3","7","1") = "9"
    & skf18("10","5","7","2","3","8","1") = "9"
    & skf18("10","5","7","2","3","9","1") = "9"
    & skf18("10","5","7","2","3","10","1") = "9"
    & skf18("10","5","7","2","4","1","1") = "9"
    & skf18("10","5","7","2","4","2","1") = "9"
    & skf18("10","5","7","2","4","3","1") = "9"
    & skf18("10","5","7","2","4","4","1") = "9"
    & skf18("10","5","7","2","4","5","1") = "9"
    & skf18("10","5","7","2","4","6","1") = "9"
    & skf18("10","5","7","2","4","7","1") = "9"
    & skf18("10","5","7","2","4","8","1") = "9"
    & skf18("10","5","7","2","4","9","1") = "9"
    & skf18("10","5","7","2","4","10","1") = "9"
    & skf18("10","5","7","2","5","1","1") = "9"
    & skf18("10","5","7","2","5","2","1") = "9"
    & skf18("10","5","7","2","5","3","1") = "9"
    & skf18("10","5","7","2","5","4","1") = "9"
    & skf18("10","5","7","2","5","5","1") = "9"
    & skf18("10","5","7","2","5","6","1") = "9"
    & skf18("10","5","7","2","5","7","1") = "9"
    & skf18("10","5","7","2","5","8","1") = "9"
    & skf18("10","5","7","2","5","9","1") = "9"
    & skf18("10","5","7","2","5","10","1") = "9"
    & skf18("10","5","7","2","6","1","1") = "9"
    & skf18("10","5","7","2","6","2","1") = "9"
    & skf18("10","5","7","2","6","3","1") = "9"
    & skf18("10","5","7","2","6","4","1") = "9"
    & skf18("10","5","7","2","6","5","1") = "9"
    & skf18("10","5","7","2","6","6","1") = "9"
    & skf18("10","5","7","2","6","7","1") = "9"
    & skf18("10","5","7","2","6","8","1") = "9"
    & skf18("10","5","7","2","6","9","1") = "9"
    & skf18("10","5","7","2","6","10","1") = "9"
    & skf18("10","5","7","2","7","1","1") = "9"
    & skf18("10","5","7","2","7","2","1") = "9"
    & skf18("10","5","7","2","7","3","1") = "9"
    & skf18("10","5","7","2","7","4","1") = "9"
    & skf18("10","5","7","2","7","5","1") = "9"
    & skf18("10","5","7","2","7","6","1") = "9"
    & skf18("10","5","7","2","7","7","1") = "9"
    & skf18("10","5","7","2","7","8","1") = "9"
    & skf18("10","5","7","2","7","9","1") = "9"
    & skf18("10","5","7","2","7","10","1") = "9"
    & skf18("10","5","7","2","8","1","1") = "9"
    & skf18("10","5","7","2","8","2","1") = "9"
    & skf18("10","5","7","2","8","3","1") = "9"
    & skf18("10","5","7","2","8","4","1") = "9"
    & skf18("10","5","7","2","8","5","1") = "9"
    & skf18("10","5","7","2","8","6","1") = "9"
    & skf18("10","5","7","2","8","7","1") = "9"
    & skf18("10","5","7","2","8","8","1") = "9"
    & skf18("10","5","7","2","8","9","1") = "9"
    & skf18("10","5","7","2","8","10","1") = "9"
    & skf18("10","5","7","2","9","1","1") = "9"
    & skf18("10","5","7","2","9","2","1") = "9"
    & skf18("10","5","7","2","9","3","1") = "9"
    & skf18("10","5","7","2","9","4","1") = "9"
    & skf18("10","5","7","2","9","5","1") = "9"
    & skf18("10","5","7","2","9","6","1") = "9"
    & skf18("10","5","7","2","9","7","1") = "9"
    & skf18("10","5","7","2","9","8","1") = "9"
    & skf18("10","5","7","2","9","9","1") = "9"
    & skf18("10","5","7","2","9","10","1") = "9"
    & skf18("10","5","7","2","10","1","1") = "9"
    & skf18("10","5","7","2","10","2","1") = "9"
    & skf18("10","5","7","2","10","3","1") = "9"
    & skf18("10","5","7","2","10","4","1") = "9"
    & skf18("10","5","7","2","10","5","1") = "9"
    & skf18("10","5","7","2","10","6","1") = "9"
    & skf18("10","5","7","2","10","7","1") = "9"
    & skf18("10","5","7","2","10","8","1") = "9"
    & skf18("10","5","7","2","10","9","1") = "9"
    & skf18("10","5","7","2","10","10","1") = "9"
    & skf18("10","5","7","3","1","1","1") = "9"
    & skf18("10","5","7","3","1","2","1") = "9"
    & skf18("10","5","7","3","1","3","1") = "9"
    & skf18("10","5","7","3","1","4","1") = "9"
    & skf18("10","5","7","3","1","5","1") = "9"
    & skf18("10","5","7","3","1","6","1") = "9"
    & skf18("10","5","7","3","1","7","1") = "9"
    & skf18("10","5","7","3","1","8","1") = "9"
    & skf18("10","5","7","3","1","9","1") = "9"
    & skf18("10","5","7","3","1","10","1") = "9"
    & skf18("10","5","7","3","2","1","1") = "9"
    & skf18("10","5","7","3","2","2","1") = "9"
    & skf18("10","5","7","3","2","3","1") = "9"
    & skf18("10","5","7","3","2","4","1") = "9"
    & skf18("10","5","7","3","2","5","1") = "9"
    & skf18("10","5","7","3","2","6","1") = "9"
    & skf18("10","5","7","3","2","7","1") = "9"
    & skf18("10","5","7","3","2","8","1") = "9"
    & skf18("10","5","7","3","2","9","1") = "9"
    & skf18("10","5","7","3","2","10","1") = "9"
    & skf18("10","5","7","3","3","1","1") = "9"
    & skf18("10","5","7","3","3","2","1") = "9"
    & skf18("10","5","7","3","3","3","1") = "9"
    & skf18("10","5","7","3","3","4","1") = "9"
    & skf18("10","5","7","3","3","5","1") = "9"
    & skf18("10","5","7","3","3","6","1") = "9"
    & skf18("10","5","7","3","3","7","1") = "9"
    & skf18("10","5","7","3","3","8","1") = "9"
    & skf18("10","5","7","3","3","9","1") = "9"
    & skf18("10","5","7","3","3","10","1") = "9"
    & skf18("10","5","7","3","4","1","1") = "9"
    & skf18("10","5","7","3","4","2","1") = "9"
    & skf18("10","5","7","3","4","3","1") = "9"
    & skf18("10","5","7","3","4","4","1") = "9"
    & skf18("10","5","7","3","4","5","1") = "9"
    & skf18("10","5","7","3","4","6","1") = "9"
    & skf18("10","5","7","3","4","7","1") = "9"
    & skf18("10","5","7","3","4","8","1") = "9"
    & skf18("10","5","7","3","4","9","1") = "9"
    & skf18("10","5","7","3","4","10","1") = "9"
    & skf18("10","5","7","3","5","1","1") = "9"
    & skf18("10","5","7","3","5","2","1") = "9"
    & skf18("10","5","7","3","5","3","1") = "9"
    & skf18("10","5","7","3","5","4","1") = "9"
    & skf18("10","5","7","3","5","5","1") = "9"
    & skf18("10","5","7","3","5","6","1") = "9"
    & skf18("10","5","7","3","5","7","1") = "9"
    & skf18("10","5","7","3","5","8","1") = "9"
    & skf18("10","5","7","3","5","9","1") = "9"
    & skf18("10","5","7","3","5","10","1") = "9"
    & skf18("10","5","7","3","6","1","1") = "9"
    & skf18("10","5","7","3","6","2","1") = "9"
    & skf18("10","5","7","3","6","3","1") = "9"
    & skf18("10","5","7","3","6","4","1") = "9"
    & skf18("10","5","7","3","6","5","1") = "9"
    & skf18("10","5","7","3","6","6","1") = "9"
    & skf18("10","5","7","3","6","7","1") = "9"
    & skf18("10","5","7","3","6","8","1") = "9"
    & skf18("10","5","7","3","6","9","1") = "9"
    & skf18("10","5","7","3","6","10","1") = "9"
    & skf18("10","5","7","3","7","1","1") = "9"
    & skf18("10","5","7","3","7","2","1") = "9"
    & skf18("10","5","7","3","7","3","1") = "9"
    & skf18("10","5","7","3","7","4","1") = "9"
    & skf18("10","5","7","3","7","5","1") = "9"
    & skf18("10","5","7","3","7","6","1") = "9"
    & skf18("10","5","7","3","7","7","1") = "9"
    & skf18("10","5","7","3","7","8","1") = "9"
    & skf18("10","5","7","3","7","9","1") = "9"
    & skf18("10","5","7","3","7","10","1") = "9"
    & skf18("10","5","7","3","8","1","1") = "9"
    & skf18("10","5","7","3","8","2","1") = "9"
    & skf18("10","5","7","3","8","3","1") = "9"
    & skf18("10","5","7","3","8","4","1") = "9"
    & skf18("10","5","7","3","8","5","1") = "9"
    & skf18("10","5","7","3","8","6","1") = "9"
    & skf18("10","5","7","3","8","7","1") = "9"
    & skf18("10","5","7","3","8","8","1") = "9"
    & skf18("10","5","7","3","8","9","1") = "9"
    & skf18("10","5","7","3","8","10","1") = "9"
    & skf18("10","5","7","3","9","1","1") = "9"
    & skf18("10","5","7","3","9","2","1") = "9"
    & skf18("10","5","7","3","9","3","1") = "9"
    & skf18("10","5","7","3","9","4","1") = "9"
    & skf18("10","5","7","3","9","5","1") = "9"
    & skf18("10","5","7","3","9","6","1") = "9"
    & skf18("10","5","7","3","9","7","1") = "9"
    & skf18("10","5","7","3","9","8","1") = "9"
    & skf18("10","5","7","3","9","9","1") = "9"
    & skf18("10","5","7","3","9","10","1") = "9"
    & skf18("10","5","7","3","10","1","1") = "9"
    & skf18("10","5","7","3","10","2","1") = "9"
    & skf18("10","5","7","3","10","3","1") = "9"
    & skf18("10","5","7","3","10","4","1") = "9"
    & skf18("10","5","7","3","10","5","1") = "9"
    & skf18("10","5","7","3","10","6","1") = "9"
    & skf18("10","5","7","3","10","7","1") = "9"
    & skf18("10","5","7","3","10","8","1") = "9"
    & skf18("10","5","7","3","10","9","1") = "9"
    & skf18("10","5","7","3","10","10","1") = "9"
    & skf18("10","5","7","4","1","1","1") = "9"
    & skf18("10","5","7","4","1","2","1") = "9"
    & skf18("10","5","7","4","1","3","1") = "9"
    & skf18("10","5","7","4","1","4","1") = "9"
    & skf18("10","5","7","4","1","5","1") = "9"
    & skf18("10","5","7","4","1","6","1") = "9"
    & skf18("10","5","7","4","1","7","1") = "9"
    & skf18("10","5","7","4","1","8","1") = "9"
    & skf18("10","5","7","4","1","9","1") = "9"
    & skf18("10","5","7","4","1","10","1") = "9"
    & skf18("10","5","7","4","2","1","1") = "9"
    & skf18("10","5","7","4","2","2","1") = "9"
    & skf18("10","5","7","4","2","3","1") = "9"
    & skf18("10","5","7","4","2","4","1") = "9"
    & skf18("10","5","7","4","2","5","1") = "9"
    & skf18("10","5","7","4","2","6","1") = "9"
    & skf18("10","5","7","4","2","7","1") = "9"
    & skf18("10","5","7","4","2","8","1") = "9"
    & skf18("10","5","7","4","2","9","1") = "9"
    & skf18("10","5","7","4","2","10","1") = "9"
    & skf18("10","5","7","4","3","1","1") = "9"
    & skf18("10","5","7","4","3","2","1") = "9"
    & skf18("10","5","7","4","3","3","1") = "9"
    & skf18("10","5","7","4","3","4","1") = "9"
    & skf18("10","5","7","4","3","5","1") = "9"
    & skf18("10","5","7","4","3","6","1") = "9"
    & skf18("10","5","7","4","3","7","1") = "9"
    & skf18("10","5","7","4","3","8","1") = "9"
    & skf18("10","5","7","4","3","9","1") = "9"
    & skf18("10","5","7","4","3","10","1") = "9"
    & skf18("10","5","7","4","4","1","1") = "9"
    & skf18("10","5","7","4","4","2","1") = "9"
    & skf18("10","5","7","4","4","3","1") = "9"
    & skf18("10","5","7","4","4","4","1") = "9"
    & skf18("10","5","7","4","4","5","1") = "9"
    & skf18("10","5","7","4","4","6","1") = "9"
    & skf18("10","5","7","4","4","7","1") = "9"
    & skf18("10","5","7","4","4","8","1") = "9"
    & skf18("10","5","7","4","4","9","1") = "9"
    & skf18("10","5","7","4","4","10","1") = "9"
    & skf18("10","5","7","4","5","1","1") = "9"
    & skf18("10","5","7","4","5","2","1") = "9"
    & skf18("10","5","7","4","5","3","1") = "9"
    & skf18("10","5","7","4","5","4","1") = "9"
    & skf18("10","5","7","4","5","5","1") = "9"
    & skf18("10","5","7","4","5","6","1") = "9"
    & skf18("10","5","7","4","5","7","1") = "9"
    & skf18("10","5","7","4","5","8","1") = "9"
    & skf18("10","5","7","4","5","9","1") = "9"
    & skf18("10","5","7","4","5","10","1") = "9"
    & skf18("10","5","7","4","6","1","1") = "9"
    & skf18("10","5","7","4","6","2","1") = "9"
    & skf18("10","5","7","4","6","3","1") = "9"
    & skf18("10","5","7","4","6","4","1") = "9"
    & skf18("10","5","7","4","6","5","1") = "9"
    & skf18("10","5","7","4","6","6","1") = "9"
    & skf18("10","5","7","4","6","7","1") = "9"
    & skf18("10","5","7","4","6","8","1") = "9"
    & skf18("10","5","7","4","6","9","1") = "9"
    & skf18("10","5","7","4","6","10","1") = "9"
    & skf18("10","5","7","4","7","1","1") = "9"
    & skf18("10","5","7","4","7","2","1") = "9"
    & skf18("10","5","7","4","7","3","1") = "9"
    & skf18("10","5","7","4","7","4","1") = "9"
    & skf18("10","5","7","4","7","5","1") = "9"
    & skf18("10","5","7","4","7","6","1") = "9"
    & skf18("10","5","7","4","7","7","1") = "9"
    & skf18("10","5","7","4","7","8","1") = "9"
    & skf18("10","5","7","4","7","9","1") = "9"
    & skf18("10","5","7","4","7","10","1") = "9"
    & skf18("10","5","7","4","8","1","1") = "9"
    & skf18("10","5","7","4","8","2","1") = "9"
    & skf18("10","5","7","4","8","3","1") = "9"
    & skf18("10","5","7","4","8","4","1") = "9"
    & skf18("10","5","7","4","8","5","1") = "9"
    & skf18("10","5","7","4","8","6","1") = "9"
    & skf18("10","5","7","4","8","7","1") = "9"
    & skf18("10","5","7","4","8","8","1") = "9"
    & skf18("10","5","7","4","8","9","1") = "9"
    & skf18("10","5","7","4","8","10","1") = "9"
    & skf18("10","5","7","4","9","1","1") = "9"
    & skf18("10","5","7","4","9","2","1") = "9"
    & skf18("10","5","7","4","9","3","1") = "9"
    & skf18("10","5","7","4","9","4","1") = "9"
    & skf18("10","5","7","4","9","5","1") = "9"
    & skf18("10","5","7","4","9","6","1") = "9"
    & skf18("10","5","7","4","9","7","1") = "9"
    & skf18("10","5","7","4","9","8","1") = "9"
    & skf18("10","5","7","4","9","9","1") = "9"
    & skf18("10","5","7","4","9","10","1") = "9"
    & skf18("10","5","7","4","10","1","1") = "9"
    & skf18("10","5","7","4","10","2","1") = "9"
    & skf18("10","5","7","4","10","3","1") = "9"
    & skf18("10","5","7","4","10","4","1") = "9"
    & skf18("10","5","7","4","10","5","1") = "9"
    & skf18("10","5","7","4","10","6","1") = "9"
    & skf18("10","5","7","4","10","7","1") = "9"
    & skf18("10","5","7","4","10","8","1") = "9"
    & skf18("10","5","7","4","10","9","1") = "9"
    & skf18("10","5","7","4","10","10","1") = "9"
    & skf18("10","5","7","5","1","1","1") = "9"
    & skf18("10","5","7","5","1","2","1") = "9"
    & skf18("10","5","7","5","1","3","1") = "9"
    & skf18("10","5","7","5","1","4","1") = "9"
    & skf18("10","5","7","5","1","5","1") = "9"
    & skf18("10","5","7","5","1","6","1") = "9"
    & skf18("10","5","7","5","1","7","1") = "9"
    & skf18("10","5","7","5","1","8","1") = "9"
    & skf18("10","5","7","5","1","9","1") = "9"
    & skf18("10","5","7","5","1","10","1") = "9"
    & skf18("10","5","7","5","2","1","1") = "9"
    & skf18("10","5","7","5","2","2","1") = "9"
    & skf18("10","5","7","5","2","3","1") = "9"
    & skf18("10","5","7","5","2","4","1") = "9"
    & skf18("10","5","7","5","2","5","1") = "9"
    & skf18("10","5","7","5","2","6","1") = "9"
    & skf18("10","5","7","5","2","7","1") = "9"
    & skf18("10","5","7","5","2","8","1") = "9"
    & skf18("10","5","7","5","2","9","1") = "9"
    & skf18("10","5","7","5","2","10","1") = "9"
    & skf18("10","5","7","5","3","1","1") = "9"
    & skf18("10","5","7","5","3","2","1") = "9"
    & skf18("10","5","7","5","3","3","1") = "9"
    & skf18("10","5","7","5","3","4","1") = "9"
    & skf18("10","5","7","5","3","5","1") = "9"
    & skf18("10","5","7","5","3","6","1") = "9"
    & skf18("10","5","7","5","3","7","1") = "9"
    & skf18("10","5","7","5","3","8","1") = "9"
    & skf18("10","5","7","5","3","9","1") = "9"
    & skf18("10","5","7","5","3","10","1") = "9"
    & skf18("10","5","7","5","4","1","1") = "9"
    & skf18("10","5","7","5","4","2","1") = "9"
    & skf18("10","5","7","5","4","3","1") = "9"
    & skf18("10","5","7","5","4","4","1") = "9"
    & skf18("10","5","7","5","4","5","1") = "9"
    & skf18("10","5","7","5","4","6","1") = "9"
    & skf18("10","5","7","5","4","7","1") = "9"
    & skf18("10","5","7","5","4","8","1") = "9"
    & skf18("10","5","7","5","4","9","1") = "9"
    & skf18("10","5","7","5","4","10","1") = "9"
    & skf18("10","5","7","5","5","1","1") = "9"
    & skf18("10","5","7","5","5","2","1") = "9"
    & skf18("10","5","7","5","5","3","1") = "9"
    & skf18("10","5","7","5","5","4","1") = "9"
    & skf18("10","5","7","5","5","5","1") = "9"
    & skf18("10","5","7","5","5","6","1") = "9"
    & skf18("10","5","7","5","5","7","1") = "9"
    & skf18("10","5","7","5","5","8","1") = "9"
    & skf18("10","5","7","5","5","9","1") = "9"
    & skf18("10","5","7","5","5","10","1") = "9"
    & skf18("10","5","7","5","6","1","1") = "9"
    & skf18("10","5","7","5","6","2","1") = "9"
    & skf18("10","5","7","5","6","3","1") = "9"
    & skf18("10","5","7","5","6","4","1") = "9"
    & skf18("10","5","7","5","6","5","1") = "9"
    & skf18("10","5","7","5","6","6","1") = "9"
    & skf18("10","5","7","5","6","7","1") = "9"
    & skf18("10","5","7","5","6","8","1") = "9"
    & skf18("10","5","7","5","6","9","1") = "9"
    & skf18("10","5","7","5","6","10","1") = "9"
    & skf18("10","5","7","5","7","1","1") = "9"
    & skf18("10","5","7","5","7","2","1") = "9"
    & skf18("10","5","7","5","7","3","1") = "9"
    & skf18("10","5","7","5","7","4","1") = "9"
    & skf18("10","5","7","5","7","5","1") = "9"
    & skf18("10","5","7","5","7","6","1") = "9"
    & skf18("10","5","7","5","7","7","1") = "9"
    & skf18("10","5","7","5","7","8","1") = "9"
    & skf18("10","5","7","5","7","9","1") = "9"
    & skf18("10","5","7","5","7","10","1") = "9"
    & skf18("10","5","7","5","8","1","1") = "9"
    & skf18("10","5","7","5","8","2","1") = "9"
    & skf18("10","5","7","5","8","3","1") = "9"
    & skf18("10","5","7","5","8","4","1") = "9"
    & skf18("10","5","7","5","8","5","1") = "9"
    & skf18("10","5","7","5","8","6","1") = "9"
    & skf18("10","5","7","5","8","7","1") = "9"
    & skf18("10","5","7","5","8","8","1") = "9"
    & skf18("10","5","7","5","8","9","1") = "9"
    & skf18("10","5","7","5","8","10","1") = "9"
    & skf18("10","5","7","5","9","1","1") = "9"
    & skf18("10","5","7","5","9","2","1") = "9"
    & skf18("10","5","7","5","9","3","1") = "9"
    & skf18("10","5","7","5","9","4","1") = "9"
    & skf18("10","5","7","5","9","5","1") = "9"
    & skf18("10","5","7","5","9","6","1") = "9"
    & skf18("10","5","7","5","9","7","1") = "9"
    & skf18("10","5","7","5","9","8","1") = "9"
    & skf18("10","5","7","5","9","9","1") = "9"
    & skf18("10","5","7","5","9","10","1") = "9"
    & skf18("10","5","7","5","10","1","1") = "9"
    & skf18("10","5","7","5","10","2","1") = "9"
    & skf18("10","5","7","5","10","3","1") = "9"
    & skf18("10","5","7","5","10","4","1") = "9"
    & skf18("10","5","7","5","10","5","1") = "9"
    & skf18("10","5","7","5","10","6","1") = "9"
    & skf18("10","5","7","5","10","7","1") = "9"
    & skf18("10","5","7","5","10","8","1") = "9"
    & skf18("10","5","7","5","10","9","1") = "9"
    & skf18("10","5","7","5","10","10","1") = "9"
    & skf18("10","5","7","6","1","1","1") = "9"
    & skf18("10","5","7","6","1","2","1") = "9"
    & skf18("10","5","7","6","1","3","1") = "9"
    & skf18("10","5","7","6","1","4","1") = "9"
    & skf18("10","5","7","6","1","5","1") = "9"
    & skf18("10","5","7","6","1","6","1") = "9"
    & skf18("10","5","7","6","1","7","1") = "9"
    & skf18("10","5","7","6","1","8","1") = "9"
    & skf18("10","5","7","6","1","9","1") = "9"
    & skf18("10","5","7","6","1","10","1") = "9"
    & skf18("10","5","7","6","2","1","1") = "9"
    & skf18("10","5","7","6","2","2","1") = "9"
    & skf18("10","5","7","6","2","3","1") = "9"
    & skf18("10","5","7","6","2","4","1") = "9"
    & skf18("10","5","7","6","2","5","1") = "9"
    & skf18("10","5","7","6","2","6","1") = "9"
    & skf18("10","5","7","6","2","7","1") = "9"
    & skf18("10","5","7","6","2","8","1") = "9"
    & skf18("10","5","7","6","2","9","1") = "9"
    & skf18("10","5","7","6","2","10","1") = "9"
    & skf18("10","5","7","6","3","1","1") = "9"
    & skf18("10","5","7","6","3","2","1") = "9"
    & skf18("10","5","7","6","3","3","1") = "9"
    & skf18("10","5","7","6","3","4","1") = "9"
    & skf18("10","5","7","6","3","5","1") = "9"
    & skf18("10","5","7","6","3","6","1") = "9"
    & skf18("10","5","7","6","3","7","1") = "9"
    & skf18("10","5","7","6","3","8","1") = "9"
    & skf18("10","5","7","6","3","9","1") = "9"
    & skf18("10","5","7","6","3","10","1") = "9"
    & skf18("10","5","7","6","4","1","1") = "9"
    & skf18("10","5","7","6","4","2","1") = "9"
    & skf18("10","5","7","6","4","3","1") = "9"
    & skf18("10","5","7","6","4","4","1") = "9"
    & skf18("10","5","7","6","4","5","1") = "9"
    & skf18("10","5","7","6","4","6","1") = "9"
    & skf18("10","5","7","6","4","7","1") = "9"
    & skf18("10","5","7","6","4","8","1") = "9"
    & skf18("10","5","7","6","4","9","1") = "9"
    & skf18("10","5","7","6","4","10","1") = "9"
    & skf18("10","5","7","6","5","1","1") = "9"
    & skf18("10","5","7","6","5","2","1") = "9"
    & skf18("10","5","7","6","5","3","1") = "9"
    & skf18("10","5","7","6","5","4","1") = "9"
    & skf18("10","5","7","6","5","5","1") = "9"
    & skf18("10","5","7","6","5","6","1") = "9"
    & skf18("10","5","7","6","5","7","1") = "9"
    & skf18("10","5","7","6","5","8","1") = "9"
    & skf18("10","5","7","6","5","9","1") = "9"
    & skf18("10","5","7","6","5","10","1") = "9"
    & skf18("10","5","7","6","6","1","1") = "9"
    & skf18("10","5","7","6","6","2","1") = "9"
    & skf18("10","5","7","6","6","3","1") = "9"
    & skf18("10","5","7","6","6","4","1") = "9"
    & skf18("10","5","7","6","6","5","1") = "9"
    & skf18("10","5","7","6","6","6","1") = "9"
    & skf18("10","5","7","6","6","7","1") = "9"
    & skf18("10","5","7","6","6","8","1") = "9"
    & skf18("10","5","7","6","6","9","1") = "9"
    & skf18("10","5","7","6","6","10","1") = "9"
    & skf18("10","5","7","6","7","1","1") = "9"
    & skf18("10","5","7","6","7","2","1") = "9"
    & skf18("10","5","7","6","7","3","1") = "9"
    & skf18("10","5","7","6","7","4","1") = "9"
    & skf18("10","5","7","6","7","5","1") = "9"
    & skf18("10","5","7","6","7","6","1") = "9"
    & skf18("10","5","7","6","7","7","1") = "9"
    & skf18("10","5","7","6","7","8","1") = "9"
    & skf18("10","5","7","6","7","9","1") = "9"
    & skf18("10","5","7","6","7","10","1") = "9"
    & skf18("10","5","7","6","8","1","1") = "9"
    & skf18("10","5","7","6","8","2","1") = "9"
    & skf18("10","5","7","6","8","3","1") = "9"
    & skf18("10","5","7","6","8","4","1") = "9"
    & skf18("10","5","7","6","8","5","1") = "9"
    & skf18("10","5","7","6","8","6","1") = "9"
    & skf18("10","5","7","6","8","7","1") = "9"
    & skf18("10","5","7","6","8","8","1") = "9"
    & skf18("10","5","7","6","8","9","1") = "9"
    & skf18("10","5","7","6","8","10","1") = "9"
    & skf18("10","5","7","6","9","1","1") = "9"
    & skf18("10","5","7","6","9","2","1") = "9"
    & skf18("10","5","7","6","9","3","1") = "9"
    & skf18("10","5","7","6","9","4","1") = "9"
    & skf18("10","5","7","6","9","5","1") = "9"
    & skf18("10","5","7","6","9","6","1") = "9"
    & skf18("10","5","7","6","9","7","1") = "9"
    & skf18("10","5","7","6","9","8","1") = "9"
    & skf18("10","5","7","6","9","9","1") = "9"
    & skf18("10","5","7","6","9","10","1") = "9"
    & skf18("10","5","7","6","10","1","1") = "9"
    & skf18("10","5","7","6","10","2","1") = "9"
    & skf18("10","5","7","6","10","3","1") = "9"
    & skf18("10","5","7","6","10","4","1") = "9"
    & skf18("10","5","7","6","10","5","1") = "9"
    & skf18("10","5","7","6","10","6","1") = "9"
    & skf18("10","5","7","6","10","7","1") = "9"
    & skf18("10","5","7","6","10","8","1") = "9"
    & skf18("10","5","7","6","10","9","1") = "9"
    & skf18("10","5","7","6","10","10","1") = "9"
    & skf18("10","5","7","7","1","1","1") = "9"
    & skf18("10","5","7","7","1","2","1") = "9"
    & skf18("10","5","7","7","1","3","1") = "9"
    & skf18("10","5","7","7","1","4","1") = "9"
    & skf18("10","5","7","7","1","5","1") = "9"
    & skf18("10","5","7","7","1","6","1") = "9"
    & skf18("10","5","7","7","1","7","1") = "9"
    & skf18("10","5","7","7","1","8","1") = "9"
    & skf18("10","5","7","7","1","9","1") = "9"
    & skf18("10","5","7","7","1","10","1") = "9"
    & skf18("10","5","7","7","2","1","1") = "9"
    & skf18("10","5","7","7","2","2","1") = "9"
    & skf18("10","5","7","7","2","3","1") = "9"
    & skf18("10","5","7","7","2","4","1") = "9"
    & skf18("10","5","7","7","2","5","1") = "9"
    & skf18("10","5","7","7","2","6","1") = "9"
    & skf18("10","5","7","7","2","7","1") = "9"
    & skf18("10","5","7","7","2","8","1") = "9"
    & skf18("10","5","7","7","2","9","1") = "9"
    & skf18("10","5","7","7","2","10","1") = "9"
    & skf18("10","5","7","7","3","1","1") = "9"
    & skf18("10","5","7","7","3","2","1") = "9"
    & skf18("10","5","7","7","3","3","1") = "9"
    & skf18("10","5","7","7","3","4","1") = "9"
    & skf18("10","5","7","7","3","5","1") = "9"
    & skf18("10","5","7","7","3","6","1") = "9"
    & skf18("10","5","7","7","3","7","1") = "9"
    & skf18("10","5","7","7","3","8","1") = "9"
    & skf18("10","5","7","7","3","9","1") = "9"
    & skf18("10","5","7","7","3","10","1") = "9"
    & skf18("10","5","7","7","4","1","1") = "9"
    & skf18("10","5","7","7","4","2","1") = "9"
    & skf18("10","5","7","7","4","3","1") = "9"
    & skf18("10","5","7","7","4","4","1") = "9"
    & skf18("10","5","7","7","4","5","1") = "9"
    & skf18("10","5","7","7","4","6","1") = "9"
    & skf18("10","5","7","7","4","7","1") = "9"
    & skf18("10","5","7","7","4","8","1") = "9"
    & skf18("10","5","7","7","4","9","1") = "9"
    & skf18("10","5","7","7","4","10","1") = "9"
    & skf18("10","5","7","7","5","1","1") = "9"
    & skf18("10","5","7","7","5","2","1") = "9"
    & skf18("10","5","7","7","5","3","1") = "9"
    & skf18("10","5","7","7","5","4","1") = "9"
    & skf18("10","5","7","7","5","5","1") = "9"
    & skf18("10","5","7","7","5","6","1") = "9"
    & skf18("10","5","7","7","5","7","1") = "9"
    & skf18("10","5","7","7","5","8","1") = "9"
    & skf18("10","5","7","7","5","9","1") = "9"
    & skf18("10","5","7","7","5","10","1") = "9"
    & skf18("10","5","7","7","6","1","1") = "9"
    & skf18("10","5","7","7","6","2","1") = "9"
    & skf18("10","5","7","7","6","3","1") = "9"
    & skf18("10","5","7","7","6","4","1") = "9"
    & skf18("10","5","7","7","6","5","1") = "9"
    & skf18("10","5","7","7","6","6","1") = "9"
    & skf18("10","5","7","7","6","7","1") = "9"
    & skf18("10","5","7","7","6","8","1") = "9"
    & skf18("10","5","7","7","6","9","1") = "9"
    & skf18("10","5","7","7","6","10","1") = "9"
    & skf18("10","5","7","7","7","1","1") = "9"
    & skf18("10","5","7","7","7","2","1") = "9"
    & skf18("10","5","7","7","7","3","1") = "9"
    & skf18("10","5","7","7","7","4","1") = "9"
    & skf18("10","5","7","7","7","5","1") = "9"
    & skf18("10","5","7","7","7","6","1") = "9"
    & skf18("10","5","7","7","7","7","1") = "9"
    & skf18("10","5","7","7","7","8","1") = "9"
    & skf18("10","5","7","7","7","9","1") = "9"
    & skf18("10","5","7","7","7","10","1") = "9"
    & skf18("10","5","7","7","8","1","1") = "9"
    & skf18("10","5","7","7","8","2","1") = "9"
    & skf18("10","5","7","7","8","3","1") = "9"
    & skf18("10","5","7","7","8","4","1") = "9"
    & skf18("10","5","7","7","8","5","1") = "9"
    & skf18("10","5","7","7","8","6","1") = "9"
    & skf18("10","5","7","7","8","7","1") = "9"
    & skf18("10","5","7","7","8","8","1") = "9"
    & skf18("10","5","7","7","8","9","1") = "9"
    & skf18("10","5","7","7","8","10","1") = "9"
    & skf18("10","5","7","7","9","1","1") = "9"
    & skf18("10","5","7","7","9","2","1") = "9"
    & skf18("10","5","7","7","9","3","1") = "9"
    & skf18("10","5","7","7","9","4","1") = "9"
    & skf18("10","5","7","7","9","5","1") = "9"
    & skf18("10","5","7","7","9","6","1") = "9"
    & skf18("10","5","7","7","9","7","1") = "9"
    & skf18("10","5","7","7","9","8","1") = "9"
    & skf18("10","5","7","7","9","9","1") = "9"
    & skf18("10","5","7","7","9","10","1") = "9"
    & skf18("10","5","7","7","10","1","1") = "9"
    & skf18("10","5","7","7","10","2","1") = "9"
    & skf18("10","5","7","7","10","3","1") = "9"
    & skf18("10","5","7","7","10","4","1") = "9"
    & skf18("10","5","7","7","10","5","1") = "9"
    & skf18("10","5","7","7","10","6","1") = "9"
    & skf18("10","5","7","7","10","7","1") = "9"
    & skf18("10","5","7","7","10","8","1") = "9"
    & skf18("10","5","7","7","10","9","1") = "9"
    & skf18("10","5","7","7","10","10","1") = "9"
    & skf18("10","5","7","8","1","1","1") = "9"
    & skf18("10","5","7","8","1","2","1") = "9"
    & skf18("10","5","7","8","1","3","1") = "9"
    & skf18("10","5","7","8","1","4","1") = "9"
    & skf18("10","5","7","8","1","5","1") = "9"
    & skf18("10","5","7","8","1","6","1") = "9"
    & skf18("10","5","7","8","1","7","1") = "9"
    & skf18("10","5","7","8","1","8","1") = "9"
    & skf18("10","5","7","8","1","9","1") = "9"
    & skf18("10","5","7","8","1","10","1") = "9"
    & skf18("10","5","7","8","2","1","1") = "9"
    & skf18("10","5","7","8","2","2","1") = "9"
    & skf18("10","5","7","8","2","3","1") = "9"
    & skf18("10","5","7","8","2","4","1") = "9"
    & skf18("10","5","7","8","2","5","1") = "9"
    & skf18("10","5","7","8","2","6","1") = "9"
    & skf18("10","5","7","8","2","7","1") = "9"
    & skf18("10","5","7","8","2","8","1") = "9"
    & skf18("10","5","7","8","2","9","1") = "9"
    & skf18("10","5","7","8","2","10","1") = "9"
    & skf18("10","5","7","8","3","1","1") = "9"
    & skf18("10","5","7","8","3","2","1") = "9"
    & skf18("10","5","7","8","3","3","1") = "9"
    & skf18("10","5","7","8","3","4","1") = "9"
    & skf18("10","5","7","8","3","5","1") = "9"
    & skf18("10","5","7","8","3","6","1") = "9"
    & skf18("10","5","7","8","3","7","1") = "9"
    & skf18("10","5","7","8","3","8","1") = "9"
    & skf18("10","5","7","8","3","9","1") = "9"
    & skf18("10","5","7","8","3","10","1") = "9"
    & skf18("10","5","7","8","4","1","1") = "9"
    & skf18("10","5","7","8","4","2","1") = "9"
    & skf18("10","5","7","8","4","3","1") = "9"
    & skf18("10","5","7","8","4","4","1") = "9"
    & skf18("10","5","7","8","4","5","1") = "9"
    & skf18("10","5","7","8","4","6","1") = "9"
    & skf18("10","5","7","8","4","7","1") = "9"
    & skf18("10","5","7","8","4","8","1") = "9"
    & skf18("10","5","7","8","4","9","1") = "9"
    & skf18("10","5","7","8","4","10","1") = "9"
    & skf18("10","5","7","8","5","1","1") = "9"
    & skf18("10","5","7","8","5","2","1") = "9"
    & skf18("10","5","7","8","5","3","1") = "9"
    & skf18("10","5","7","8","5","4","1") = "9"
    & skf18("10","5","7","8","5","5","1") = "9"
    & skf18("10","5","7","8","5","6","1") = "9"
    & skf18("10","5","7","8","5","7","1") = "9"
    & skf18("10","5","7","8","5","8","1") = "9"
    & skf18("10","5","7","8","5","9","1") = "9"
    & skf18("10","5","7","8","5","10","1") = "9"
    & skf18("10","5","7","8","6","1","1") = "9"
    & skf18("10","5","7","8","6","2","1") = "9"
    & skf18("10","5","7","8","6","3","1") = "9"
    & skf18("10","5","7","8","6","4","1") = "9"
    & skf18("10","5","7","8","6","5","1") = "9"
    & skf18("10","5","7","8","6","6","1") = "9"
    & skf18("10","5","7","8","6","7","1") = "9"
    & skf18("10","5","7","8","6","8","1") = "9"
    & skf18("10","5","7","8","6","9","1") = "9"
    & skf18("10","5","7","8","6","10","1") = "9"
    & skf18("10","5","7","8","7","1","1") = "9"
    & skf18("10","5","7","8","7","2","1") = "9"
    & skf18("10","5","7","8","7","3","1") = "9"
    & skf18("10","5","7","8","7","4","1") = "9"
    & skf18("10","5","7","8","7","5","1") = "9"
    & skf18("10","5","7","8","7","6","1") = "9"
    & skf18("10","5","7","8","7","7","1") = "9"
    & skf18("10","5","7","8","7","8","1") = "9"
    & skf18("10","5","7","8","7","9","1") = "9"
    & skf18("10","5","7","8","7","10","1") = "9"
    & skf18("10","5","7","8","8","1","1") = "9"
    & skf18("10","5","7","8","8","2","1") = "9"
    & skf18("10","5","7","8","8","3","1") = "9"
    & skf18("10","5","7","8","8","4","1") = "9"
    & skf18("10","5","7","8","8","5","1") = "9"
    & skf18("10","5","7","8","8","6","1") = "9"
    & skf18("10","5","7","8","8","7","1") = "9"
    & skf18("10","5","7","8","8","8","1") = "9"
    & skf18("10","5","7","8","8","9","1") = "9"
    & skf18("10","5","7","8","8","10","1") = "9"
    & skf18("10","5","7","8","9","1","1") = "9"
    & skf18("10","5","7","8","9","2","1") = "9"
    & skf18("10","5","7","8","9","3","1") = "9"
    & skf18("10","5","7","8","9","4","1") = "9"
    & skf18("10","5","7","8","9","5","1") = "9"
    & skf18("10","5","7","8","9","6","1") = "9"
    & skf18("10","5","7","8","9","7","1") = "9"
    & skf18("10","5","7","8","9","8","1") = "9"
    & skf18("10","5","7","8","9","9","1") = "9"
    & skf18("10","5","7","8","9","10","1") = "9"
    & skf18("10","5","7","8","10","1","1") = "9"
    & skf18("10","5","7","8","10","2","1") = "9"
    & skf18("10","5","7","8","10","3","1") = "9"
    & skf18("10","5","7","8","10","4","1") = "9"
    & skf18("10","5","7","8","10","5","1") = "9"
    & skf18("10","5","7","8","10","6","1") = "9"
    & skf18("10","5","7","8","10","7","1") = "9"
    & skf18("10","5","7","8","10","8","1") = "9"
    & skf18("10","5","7","8","10","9","1") = "9"
    & skf18("10","5","7","8","10","10","1") = "9"
    & skf18("10","5","7","9","1","1","1") = "9"
    & skf18("10","5","7","9","1","2","1") = "9"
    & skf18("10","5","7","9","1","3","1") = "9"
    & skf18("10","5","7","9","1","4","1") = "9"
    & skf18("10","5","7","9","1","5","1") = "9"
    & skf18("10","5","7","9","1","6","1") = "9"
    & skf18("10","5","7","9","1","7","1") = "9"
    & skf18("10","5","7","9","1","8","1") = "9"
    & skf18("10","5","7","9","1","9","1") = "9"
    & skf18("10","5","7","9","1","10","1") = "9"
    & skf18("10","5","7","9","2","1","1") = "9"
    & skf18("10","5","7","9","2","2","1") = "9"
    & skf18("10","5","7","9","2","3","1") = "9"
    & skf18("10","5","7","9","2","4","1") = "9"
    & skf18("10","5","7","9","2","5","1") = "9"
    & skf18("10","5","7","9","2","6","1") = "9"
    & skf18("10","5","7","9","2","7","1") = "9"
    & skf18("10","5","7","9","2","8","1") = "9"
    & skf18("10","5","7","9","2","9","1") = "9"
    & skf18("10","5","7","9","2","10","1") = "9"
    & skf18("10","5","7","9","3","1","1") = "9"
    & skf18("10","5","7","9","3","2","1") = "9"
    & skf18("10","5","7","9","3","3","1") = "9"
    & skf18("10","5","7","9","3","4","1") = "9"
    & skf18("10","5","7","9","3","5","1") = "9"
    & skf18("10","5","7","9","3","6","1") = "9"
    & skf18("10","5","7","9","3","7","1") = "9"
    & skf18("10","5","7","9","3","8","1") = "9"
    & skf18("10","5","7","9","3","9","1") = "9"
    & skf18("10","5","7","9","3","10","1") = "9"
    & skf18("10","5","7","9","4","1","1") = "9"
    & skf18("10","5","7","9","4","2","1") = "9"
    & skf18("10","5","7","9","4","3","1") = "9"
    & skf18("10","5","7","9","4","4","1") = "9"
    & skf18("10","5","7","9","4","5","1") = "9"
    & skf18("10","5","7","9","4","6","1") = "9"
    & skf18("10","5","7","9","4","7","1") = "9"
    & skf18("10","5","7","9","4","8","1") = "9"
    & skf18("10","5","7","9","4","9","1") = "9"
    & skf18("10","5","7","9","4","10","1") = "9"
    & skf18("10","5","7","9","5","1","1") = "9"
    & skf18("10","5","7","9","5","2","1") = "9"
    & skf18("10","5","7","9","5","3","1") = "9"
    & skf18("10","5","7","9","5","4","1") = "9"
    & skf18("10","5","7","9","5","5","1") = "9"
    & skf18("10","5","7","9","5","6","1") = "9"
    & skf18("10","5","7","9","5","7","1") = "9"
    & skf18("10","5","7","9","5","8","1") = "9"
    & skf18("10","5","7","9","5","9","1") = "9"
    & skf18("10","5","7","9","5","10","1") = "9"
    & skf18("10","5","7","9","6","1","1") = "9"
    & skf18("10","5","7","9","6","2","1") = "9"
    & skf18("10","5","7","9","6","3","1") = "9"
    & skf18("10","5","7","9","6","4","1") = "9"
    & skf18("10","5","7","9","6","5","1") = "9"
    & skf18("10","5","7","9","6","6","1") = "9"
    & skf18("10","5","7","9","6","7","1") = "9"
    & skf18("10","5","7","9","6","8","1") = "9"
    & skf18("10","5","7","9","6","9","1") = "9"
    & skf18("10","5","7","9","6","10","1") = "9"
    & skf18("10","5","7","9","7","1","1") = "9"
    & skf18("10","5","7","9","7","2","1") = "9"
    & skf18("10","5","7","9","7","3","1") = "9"
    & skf18("10","5","7","9","7","4","1") = "9"
    & skf18("10","5","7","9","7","5","1") = "9"
    & skf18("10","5","7","9","7","6","1") = "9"
    & skf18("10","5","7","9","7","7","1") = "9"
    & skf18("10","5","7","9","7","8","1") = "9"
    & skf18("10","5","7","9","7","9","1") = "9"
    & skf18("10","5","7","9","7","10","1") = "9"
    & skf18("10","5","7","9","8","1","1") = "9"
    & skf18("10","5","7","9","8","2","1") = "9"
    & skf18("10","5","7","9","8","3","1") = "9"
    & skf18("10","5","7","9","8","4","1") = "9"
    & skf18("10","5","7","9","8","5","1") = "9"
    & skf18("10","5","7","9","8","6","1") = "9"
    & skf18("10","5","7","9","8","7","1") = "9"
    & skf18("10","5","7","9","8","8","1") = "9"
    & skf18("10","5","7","9","8","9","1") = "9"
    & skf18("10","5","7","9","8","10","1") = "9"
    & skf18("10","5","7","9","9","1","1") = "9"
    & skf18("10","5","7","9","9","2","1") = "9"
    & skf18("10","5","7","9","9","3","1") = "9"
    & skf18("10","5","7","9","9","4","1") = "9"
    & skf18("10","5","7","9","9","5","1") = "9"
    & skf18("10","5","7","9","9","6","1") = "9"
    & skf18("10","5","7","9","9","7","1") = "9"
    & skf18("10","5","7","9","9","8","1") = "9"
    & skf18("10","5","7","9","9","9","1") = "9"
    & skf18("10","5","7","9","9","10","1") = "9"
    & skf18("10","5","7","9","10","1","1") = "9"
    & skf18("10","5","7","9","10","2","1") = "9"
    & skf18("10","5","7","9","10","3","1") = "9"
    & skf18("10","5","7","9","10","4","1") = "9"
    & skf18("10","5","7","9","10","5","1") = "9"
    & skf18("10","5","7","9","10","6","1") = "9"
    & skf18("10","5","7","9","10","7","1") = "9"
    & skf18("10","5","7","9","10","8","1") = "9"
    & skf18("10","5","7","9","10","9","1") = "9"
    & skf18("10","5","7","9","10","10","1") = "9"
    & skf18("10","5","7","10","1","1","1") = "9"
    & skf18("10","5","7","10","1","2","1") = "9"
    & skf18("10","5","7","10","1","3","1") = "9"
    & skf18("10","5","7","10","1","4","1") = "9"
    & skf18("10","5","7","10","1","5","1") = "9"
    & skf18("10","5","7","10","1","6","1") = "9"
    & skf18("10","5","7","10","1","7","1") = "9"
    & skf18("10","5","7","10","1","8","1") = "9"
    & skf18("10","5","7","10","1","9","1") = "9"
    & skf18("10","5","7","10","1","10","1") = "9"
    & skf18("10","5","7","10","2","1","1") = "9"
    & skf18("10","5","7","10","2","2","1") = "9"
    & skf18("10","5","7","10","2","3","1") = "9"
    & skf18("10","5","7","10","2","4","1") = "9"
    & skf18("10","5","7","10","2","5","1") = "9"
    & skf18("10","5","7","10","2","6","1") = "9"
    & skf18("10","5","7","10","2","7","1") = "9"
    & skf18("10","5","7","10","2","8","1") = "9"
    & skf18("10","5","7","10","2","9","1") = "9"
    & skf18("10","5","7","10","2","10","1") = "9"
    & skf18("10","5","7","10","3","1","1") = "9"
    & skf18("10","5","7","10","3","2","1") = "9"
    & skf18("10","5","7","10","3","3","1") = "9"
    & skf18("10","5","7","10","3","4","1") = "9"
    & skf18("10","5","7","10","3","5","1") = "9"
    & skf18("10","5","7","10","3","6","1") = "9"
    & skf18("10","5","7","10","3","7","1") = "9"
    & skf18("10","5","7","10","3","8","1") = "9"
    & skf18("10","5","7","10","3","9","1") = "9"
    & skf18("10","5","7","10","3","10","1") = "9"
    & skf18("10","5","7","10","4","1","1") = "9"
    & skf18("10","5","7","10","4","2","1") = "9"
    & skf18("10","5","7","10","4","3","1") = "9"
    & skf18("10","5","7","10","4","4","1") = "9"
    & skf18("10","5","7","10","4","5","1") = "9"
    & skf18("10","5","7","10","4","6","1") = "9"
    & skf18("10","5","7","10","4","7","1") = "9"
    & skf18("10","5","7","10","4","8","1") = "9"
    & skf18("10","5","7","10","4","9","1") = "9"
    & skf18("10","5","7","10","4","10","1") = "9"
    & skf18("10","5","7","10","5","1","1") = "9"
    & skf18("10","5","7","10","5","2","1") = "9"
    & skf18("10","5","7","10","5","3","1") = "9"
    & skf18("10","5","7","10","5","4","1") = "9"
    & skf18("10","5","7","10","5","5","1") = "9"
    & skf18("10","5","7","10","5","6","1") = "9"
    & skf18("10","5","7","10","5","7","1") = "9"
    & skf18("10","5","7","10","5","8","1") = "9"
    & skf18("10","5","7","10","5","9","1") = "9"
    & skf18("10","5","7","10","5","10","1") = "9"
    & skf18("10","5","7","10","6","1","1") = "9"
    & skf18("10","5","7","10","6","2","1") = "9"
    & skf18("10","5","7","10","6","3","1") = "9"
    & skf18("10","5","7","10","6","4","1") = "9"
    & skf18("10","5","7","10","6","5","1") = "9"
    & skf18("10","5","7","10","6","6","1") = "9"
    & skf18("10","5","7","10","6","7","1") = "9"
    & skf18("10","5","7","10","6","8","1") = "9"
    & skf18("10","5","7","10","6","9","1") = "9"
    & skf18("10","5","7","10","6","10","1") = "9"
    & skf18("10","5","7","10","7","1","1") = "9"
    & skf18("10","5","7","10","7","2","1") = "9"
    & skf18("10","5","7","10","7","3","1") = "9"
    & skf18("10","5","7","10","7","4","1") = "9"
    & skf18("10","5","7","10","7","5","1") = "9"
    & skf18("10","5","7","10","7","6","1") = "9"
    & skf18("10","5","7","10","7","7","1") = "9"
    & skf18("10","5","7","10","7","8","1") = "9"
    & skf18("10","5","7","10","7","9","1") = "9"
    & skf18("10","5","7","10","7","10","1") = "9"
    & skf18("10","5","7","10","8","1","1") = "9"
    & skf18("10","5","7","10","8","2","1") = "9"
    & skf18("10","5","7","10","8","3","1") = "9"
    & skf18("10","5","7","10","8","4","1") = "9"
    & skf18("10","5","7","10","8","5","1") = "9"
    & skf18("10","5","7","10","8","6","1") = "9"
    & skf18("10","5","7","10","8","7","1") = "9"
    & skf18("10","5","7","10","8","8","1") = "9"
    & skf18("10","5","7","10","8","9","1") = "9"
    & skf18("10","5","7","10","8","10","1") = "9"
    & skf18("10","5","7","10","9","1","1") = "9"
    & skf18("10","5","7","10","9","2","1") = "9"
    & skf18("10","5","7","10","9","3","1") = "9"
    & skf18("10","5","7","10","9","4","1") = "9"
    & skf18("10","5","7","10","9","5","1") = "9"
    & skf18("10","5","7","10","9","6","1") = "9"
    & skf18("10","5","7","10","9","7","1") = "9"
    & skf18("10","5","7","10","9","8","1") = "9"
    & skf18("10","5","7","10","9","9","1") = "9"
    & skf18("10","5","7","10","9","10","1") = "9"
    & skf18("10","5","7","10","10","1","1") = "9"
    & skf18("10","5","7","10","10","2","1") = "9"
    & skf18("10","5","7","10","10","3","1") = "9"
    & skf18("10","5","7","10","10","4","1") = "9"
    & skf18("10","5","7","10","10","5","1") = "9"
    & skf18("10","5","7","10","10","6","1") = "9"
    & skf18("10","5","7","10","10","7","1") = "9"
    & skf18("10","5","7","10","10","8","1") = "9"
    & skf18("10","5","7","10","10","9","1") = "9"
    & skf18("10","5","7","10","10","10","1") = "9"
    & skf18("10","5","8","1","1","1","1") = "9"
    & skf18("10","5","8","1","1","2","1") = "9"
    & skf18("10","5","8","1","1","3","1") = "9"
    & skf18("10","5","8","1","1","4","1") = "9"
    & skf18("10","5","8","1","1","5","1") = "9"
    & skf18("10","5","8","1","1","6","1") = "9"
    & skf18("10","5","8","1","1","7","1") = "9"
    & skf18("10","5","8","1","1","8","1") = "9"
    & skf18("10","5","8","1","1","9","1") = "9"
    & skf18("10","5","8","1","1","10","1") = "9"
    & skf18("10","5","8","1","2","1","1") = "9"
    & skf18("10","5","8","1","2","2","1") = "9"
    & skf18("10","5","8","1","2","3","1") = "9"
    & skf18("10","5","8","1","2","4","1") = "9"
    & skf18("10","5","8","1","2","5","1") = "9"
    & skf18("10","5","8","1","2","6","1") = "9"
    & skf18("10","5","8","1","2","7","1") = "9"
    & skf18("10","5","8","1","2","8","1") = "9"
    & skf18("10","5","8","1","2","9","1") = "9"
    & skf18("10","5","8","1","2","10","1") = "9"
    & skf18("10","5","8","1","3","1","1") = "9"
    & skf18("10","5","8","1","3","2","1") = "9"
    & skf18("10","5","8","1","3","3","1") = "9"
    & skf18("10","5","8","1","3","4","1") = "9"
    & skf18("10","5","8","1","3","5","1") = "9"
    & skf18("10","5","8","1","3","6","1") = "9"
    & skf18("10","5","8","1","3","7","1") = "9"
    & skf18("10","5","8","1","3","8","1") = "9"
    & skf18("10","5","8","1","3","9","1") = "9"
    & skf18("10","5","8","1","3","10","1") = "9"
    & skf18("10","5","8","1","4","1","1") = "9"
    & skf18("10","5","8","1","4","2","1") = "9"
    & skf18("10","5","8","1","4","3","1") = "9"
    & skf18("10","5","8","1","4","4","1") = "9"
    & skf18("10","5","8","1","4","5","1") = "9"
    & skf18("10","5","8","1","4","6","1") = "9"
    & skf18("10","5","8","1","4","7","1") = "9"
    & skf18("10","5","8","1","4","8","1") = "9"
    & skf18("10","5","8","1","4","9","1") = "9"
    & skf18("10","5","8","1","4","10","1") = "9"
    & skf18("10","5","8","1","5","1","1") = "9"
    & skf18("10","5","8","1","5","2","1") = "9"
    & skf18("10","5","8","1","5","3","1") = "9"
    & skf18("10","5","8","1","5","4","1") = "9"
    & skf18("10","5","8","1","5","5","1") = "9"
    & skf18("10","5","8","1","5","6","1") = "9"
    & skf18("10","5","8","1","5","7","1") = "9"
    & skf18("10","5","8","1","5","8","1") = "9"
    & skf18("10","5","8","1","5","9","1") = "9"
    & skf18("10","5","8","1","5","10","1") = "9"
    & skf18("10","5","8","1","6","1","1") = "9"
    & skf18("10","5","8","1","6","2","1") = "9"
    & skf18("10","5","8","1","6","3","1") = "9"
    & skf18("10","5","8","1","6","4","1") = "9"
    & skf18("10","5","8","1","6","5","1") = "9"
    & skf18("10","5","8","1","6","6","1") = "9"
    & skf18("10","5","8","1","6","7","1") = "9"
    & skf18("10","5","8","1","6","8","1") = "9"
    & skf18("10","5","8","1","6","9","1") = "9"
    & skf18("10","5","8","1","6","10","1") = "9"
    & skf18("10","5","8","1","7","1","1") = "9"
    & skf18("10","5","8","1","7","2","1") = "9"
    & skf18("10","5","8","1","7","3","1") = "9"
    & skf18("10","5","8","1","7","4","1") = "9"
    & skf18("10","5","8","1","7","5","1") = "9"
    & skf18("10","5","8","1","7","6","1") = "9"
    & skf18("10","5","8","1","7","7","1") = "9"
    & skf18("10","5","8","1","7","8","1") = "9"
    & skf18("10","5","8","1","7","9","1") = "9"
    & skf18("10","5","8","1","7","10","1") = "9"
    & skf18("10","5","8","1","8","1","1") = "9"
    & skf18("10","5","8","1","8","2","1") = "9"
    & skf18("10","5","8","1","8","3","1") = "9"
    & skf18("10","5","8","1","8","4","1") = "9"
    & skf18("10","5","8","1","8","5","1") = "9"
    & skf18("10","5","8","1","8","6","1") = "9"
    & skf18("10","5","8","1","8","7","1") = "9"
    & skf18("10","5","8","1","8","8","1") = "9"
    & skf18("10","5","8","1","8","9","1") = "9"
    & skf18("10","5","8","1","8","10","1") = "9"
    & skf18("10","5","8","1","9","1","1") = "9"
    & skf18("10","5","8","1","9","2","1") = "9"
    & skf18("10","5","8","1","9","3","1") = "9"
    & skf18("10","5","8","1","9","4","1") = "9"
    & skf18("10","5","8","1","9","5","1") = "9"
    & skf18("10","5","8","1","9","6","1") = "9"
    & skf18("10","5","8","1","9","7","1") = "9"
    & skf18("10","5","8","1","9","8","1") = "9"
    & skf18("10","5","8","1","9","9","1") = "9"
    & skf18("10","5","8","1","9","10","1") = "9"
    & skf18("10","5","8","1","10","1","1") = "9"
    & skf18("10","5","8","1","10","2","1") = "9"
    & skf18("10","5","8","1","10","3","1") = "9"
    & skf18("10","5","8","1","10","4","1") = "9"
    & skf18("10","5","8","1","10","5","1") = "9"
    & skf18("10","5","8","1","10","6","1") = "9"
    & skf18("10","5","8","1","10","7","1") = "9"
    & skf18("10","5","8","1","10","8","1") = "9"
    & skf18("10","5","8","1","10","9","1") = "9"
    & skf18("10","5","8","1","10","10","1") = "9"
    & skf18("10","5","8","2","1","1","1") = "9"
    & skf18("10","5","8","2","1","2","1") = "9"
    & skf18("10","5","8","2","1","3","1") = "9"
    & skf18("10","5","8","2","1","4","1") = "9"
    & skf18("10","5","8","2","1","5","1") = "9"
    & skf18("10","5","8","2","1","6","1") = "9"
    & skf18("10","5","8","2","1","7","1") = "9"
    & skf18("10","5","8","2","1","8","1") = "9"
    & skf18("10","5","8","2","1","9","1") = "9"
    & skf18("10","5","8","2","1","10","1") = "9"
    & skf18("10","5","8","2","2","1","1") = "9"
    & skf18("10","5","8","2","2","2","1") = "9"
    & skf18("10","5","8","2","2","3","1") = "9"
    & skf18("10","5","8","2","2","4","1") = "9"
    & skf18("10","5","8","2","2","5","1") = "9"
    & skf18("10","5","8","2","2","6","1") = "9"
    & skf18("10","5","8","2","2","7","1") = "9"
    & skf18("10","5","8","2","2","8","1") = "9"
    & skf18("10","5","8","2","2","9","1") = "9"
    & skf18("10","5","8","2","2","10","1") = "9"
    & skf18("10","5","8","2","3","1","1") = "9"
    & skf18("10","5","8","2","3","2","1") = "9"
    & skf18("10","5","8","2","3","3","1") = "9"
    & skf18("10","5","8","2","3","4","1") = "9"
    & skf18("10","5","8","2","3","5","1") = "9"
    & skf18("10","5","8","2","3","6","1") = "9"
    & skf18("10","5","8","2","3","7","1") = "9"
    & skf18("10","5","8","2","3","8","1") = "9"
    & skf18("10","5","8","2","3","9","1") = "9"
    & skf18("10","5","8","2","3","10","1") = "9"
    & skf18("10","5","8","2","4","1","1") = "9"
    & skf18("10","5","8","2","4","2","1") = "9"
    & skf18("10","5","8","2","4","3","1") = "9"
    & skf18("10","5","8","2","4","4","1") = "9"
    & skf18("10","5","8","2","4","5","1") = "9"
    & skf18("10","5","8","2","4","6","1") = "9"
    & skf18("10","5","8","2","4","7","1") = "9"
    & skf18("10","5","8","2","4","8","1") = "9"
    & skf18("10","5","8","2","4","9","1") = "9"
    & skf18("10","5","8","2","4","10","1") = "9"
    & skf18("10","5","8","2","5","1","1") = "9"
    & skf18("10","5","8","2","5","2","1") = "9"
    & skf18("10","5","8","2","5","3","1") = "9"
    & skf18("10","5","8","2","5","4","1") = "9"
    & skf18("10","5","8","2","5","5","1") = "9"
    & skf18("10","5","8","2","5","6","1") = "9"
    & skf18("10","5","8","2","5","7","1") = "9"
    & skf18("10","5","8","2","5","8","1") = "9"
    & skf18("10","5","8","2","5","9","1") = "9"
    & skf18("10","5","8","2","5","10","1") = "9"
    & skf18("10","5","8","2","6","1","1") = "9"
    & skf18("10","5","8","2","6","2","1") = "9"
    & skf18("10","5","8","2","6","3","1") = "9"
    & skf18("10","5","8","2","6","4","1") = "9"
    & skf18("10","5","8","2","6","5","1") = "9"
    & skf18("10","5","8","2","6","6","1") = "9"
    & skf18("10","5","8","2","6","7","1") = "9"
    & skf18("10","5","8","2","6","8","1") = "9"
    & skf18("10","5","8","2","6","9","1") = "9"
    & skf18("10","5","8","2","6","10","1") = "9"
    & skf18("10","5","8","2","7","1","1") = "9"
    & skf18("10","5","8","2","7","2","1") = "9"
    & skf18("10","5","8","2","7","3","1") = "9"
    & skf18("10","5","8","2","7","4","1") = "9"
    & skf18("10","5","8","2","7","5","1") = "9"
    & skf18("10","5","8","2","7","6","1") = "9"
    & skf18("10","5","8","2","7","7","1") = "9"
    & skf18("10","5","8","2","7","8","1") = "9"
    & skf18("10","5","8","2","7","9","1") = "9"
    & skf18("10","5","8","2","7","10","1") = "9"
    & skf18("10","5","8","2","8","1","1") = "9"
    & skf18("10","5","8","2","8","2","1") = "9"
    & skf18("10","5","8","2","8","3","1") = "9"
    & skf18("10","5","8","2","8","4","1") = "9"
    & skf18("10","5","8","2","8","5","1") = "9"
    & skf18("10","5","8","2","8","6","1") = "9"
    & skf18("10","5","8","2","8","7","1") = "9"
    & skf18("10","5","8","2","8","8","1") = "9"
    & skf18("10","5","8","2","8","9","1") = "9"
    & skf18("10","5","8","2","8","10","1") = "9"
    & skf18("10","5","8","2","9","1","1") = "9"
    & skf18("10","5","8","2","9","2","1") = "9"
    & skf18("10","5","8","2","9","3","1") = "9"
    & skf18("10","5","8","2","9","4","1") = "9"
    & skf18("10","5","8","2","9","5","1") = "9"
    & skf18("10","5","8","2","9","6","1") = "9"
    & skf18("10","5","8","2","9","7","1") = "9"
    & skf18("10","5","8","2","9","8","1") = "9"
    & skf18("10","5","8","2","9","9","1") = "9"
    & skf18("10","5","8","2","9","10","1") = "9"
    & skf18("10","5","8","2","10","1","1") = "9"
    & skf18("10","5","8","2","10","2","1") = "9"
    & skf18("10","5","8","2","10","3","1") = "9"
    & skf18("10","5","8","2","10","4","1") = "9"
    & skf18("10","5","8","2","10","5","1") = "9"
    & skf18("10","5","8","2","10","6","1") = "9"
    & skf18("10","5","8","2","10","7","1") = "9"
    & skf18("10","5","8","2","10","8","1") = "9"
    & skf18("10","5","8","2","10","9","1") = "9"
    & skf18("10","5","8","2","10","10","1") = "9"
    & skf18("10","5","8","3","1","1","1") = "9"
    & skf18("10","5","8","3","1","2","1") = "9"
    & skf18("10","5","8","3","1","3","1") = "9"
    & skf18("10","5","8","3","1","4","1") = "9"
    & skf18("10","5","8","3","1","5","1") = "9"
    & skf18("10","5","8","3","1","6","1") = "9"
    & skf18("10","5","8","3","1","7","1") = "9"
    & skf18("10","5","8","3","1","8","1") = "9"
    & skf18("10","5","8","3","1","9","1") = "9"
    & skf18("10","5","8","3","1","10","1") = "9"
    & skf18("10","5","8","3","2","1","1") = "9"
    & skf18("10","5","8","3","2","2","1") = "9"
    & skf18("10","5","8","3","2","3","1") = "9"
    & skf18("10","5","8","3","2","4","1") = "9"
    & skf18("10","5","8","3","2","5","1") = "9"
    & skf18("10","5","8","3","2","6","1") = "9"
    & skf18("10","5","8","3","2","7","1") = "9"
    & skf18("10","5","8","3","2","8","1") = "9"
    & skf18("10","5","8","3","2","9","1") = "9"
    & skf18("10","5","8","3","2","10","1") = "9"
    & skf18("10","5","8","3","3","1","1") = "9"
    & skf18("10","5","8","3","3","2","1") = "9"
    & skf18("10","5","8","3","3","3","1") = "9"
    & skf18("10","5","8","3","3","4","1") = "9"
    & skf18("10","5","8","3","3","5","1") = "9"
    & skf18("10","5","8","3","3","6","1") = "9"
    & skf18("10","5","8","3","3","7","1") = "9"
    & skf18("10","5","8","3","3","8","1") = "9"
    & skf18("10","5","8","3","3","9","1") = "9"
    & skf18("10","5","8","3","3","10","1") = "9"
    & skf18("10","5","8","3","4","1","1") = "9"
    & skf18("10","5","8","3","4","2","1") = "9"
    & skf18("10","5","8","3","4","3","1") = "9"
    & skf18("10","5","8","3","4","4","1") = "9"
    & skf18("10","5","8","3","4","5","1") = "9"
    & skf18("10","5","8","3","4","6","1") = "9"
    & skf18("10","5","8","3","4","7","1") = "9"
    & skf18("10","5","8","3","4","8","1") = "9"
    & skf18("10","5","8","3","4","9","1") = "9"
    & skf18("10","5","8","3","4","10","1") = "9"
    & skf18("10","5","8","3","5","1","1") = "9"
    & skf18("10","5","8","3","5","2","1") = "9"
    & skf18("10","5","8","3","5","3","1") = "9"
    & skf18("10","5","8","3","5","4","1") = "9"
    & skf18("10","5","8","3","5","5","1") = "9"
    & skf18("10","5","8","3","5","6","1") = "9"
    & skf18("10","5","8","3","5","7","1") = "9"
    & skf18("10","5","8","3","5","8","1") = "9"
    & skf18("10","5","8","3","5","9","1") = "9"
    & skf18("10","5","8","3","5","10","1") = "9"
    & skf18("10","5","8","3","6","1","1") = "9"
    & skf18("10","5","8","3","6","2","1") = "9"
    & skf18("10","5","8","3","6","3","1") = "9"
    & skf18("10","5","8","3","6","4","1") = "9"
    & skf18("10","5","8","3","6","5","1") = "9"
    & skf18("10","5","8","3","6","6","1") = "9"
    & skf18("10","5","8","3","6","7","1") = "9"
    & skf18("10","5","8","3","6","8","1") = "9"
    & skf18("10","5","8","3","6","9","1") = "9"
    & skf18("10","5","8","3","6","10","1") = "9"
    & skf18("10","5","8","3","7","1","1") = "9"
    & skf18("10","5","8","3","7","2","1") = "9"
    & skf18("10","5","8","3","7","3","1") = "9"
    & skf18("10","5","8","3","7","4","1") = "9"
    & skf18("10","5","8","3","7","5","1") = "9"
    & skf18("10","5","8","3","7","6","1") = "9"
    & skf18("10","5","8","3","7","7","1") = "9"
    & skf18("10","5","8","3","7","8","1") = "9"
    & skf18("10","5","8","3","7","9","1") = "9"
    & skf18("10","5","8","3","7","10","1") = "9"
    & skf18("10","5","8","3","8","1","1") = "9"
    & skf18("10","5","8","3","8","2","1") = "9"
    & skf18("10","5","8","3","8","3","1") = "9"
    & skf18("10","5","8","3","8","4","1") = "9"
    & skf18("10","5","8","3","8","5","1") = "9"
    & skf18("10","5","8","3","8","6","1") = "9"
    & skf18("10","5","8","3","8","7","1") = "9"
    & skf18("10","5","8","3","8","8","1") = "9"
    & skf18("10","5","8","3","8","9","1") = "9"
    & skf18("10","5","8","3","8","10","1") = "9"
    & skf18("10","5","8","3","9","1","1") = "9"
    & skf18("10","5","8","3","9","2","1") = "9"
    & skf18("10","5","8","3","9","3","1") = "9"
    & skf18("10","5","8","3","9","4","1") = "9"
    & skf18("10","5","8","3","9","5","1") = "9"
    & skf18("10","5","8","3","9","6","1") = "9"
    & skf18("10","5","8","3","9","7","1") = "9"
    & skf18("10","5","8","3","9","8","1") = "9"
    & skf18("10","5","8","3","9","9","1") = "9"
    & skf18("10","5","8","3","9","10","1") = "9"
    & skf18("10","5","8","3","10","1","1") = "9"
    & skf18("10","5","8","3","10","2","1") = "9"
    & skf18("10","5","8","3","10","3","1") = "9"
    & skf18("10","5","8","3","10","4","1") = "9"
    & skf18("10","5","8","3","10","5","1") = "9"
    & skf18("10","5","8","3","10","6","1") = "9"
    & skf18("10","5","8","3","10","7","1") = "9"
    & skf18("10","5","8","3","10","8","1") = "9"
    & skf18("10","5","8","3","10","9","1") = "9"
    & skf18("10","5","8","3","10","10","1") = "9"
    & skf18("10","5","8","4","1","1","1") = "9"
    & skf18("10","5","8","4","1","2","1") = "9"
    & skf18("10","5","8","4","1","3","1") = "9"
    & skf18("10","5","8","4","1","4","1") = "9"
    & skf18("10","5","8","4","1","5","1") = "9"
    & skf18("10","5","8","4","1","6","1") = "9"
    & skf18("10","5","8","4","1","7","1") = "9"
    & skf18("10","5","8","4","1","8","1") = "9"
    & skf18("10","5","8","4","1","9","1") = "9"
    & skf18("10","5","8","4","1","10","1") = "9"
    & skf18("10","5","8","4","2","1","1") = "9"
    & skf18("10","5","8","4","2","2","1") = "9"
    & skf18("10","5","8","4","2","3","1") = "9"
    & skf18("10","5","8","4","2","4","1") = "9"
    & skf18("10","5","8","4","2","5","1") = "9"
    & skf18("10","5","8","4","2","6","1") = "9"
    & skf18("10","5","8","4","2","7","1") = "9"
    & skf18("10","5","8","4","2","8","1") = "9"
    & skf18("10","5","8","4","2","9","1") = "9"
    & skf18("10","5","8","4","2","10","1") = "9"
    & skf18("10","5","8","4","3","1","1") = "9"
    & skf18("10","5","8","4","3","2","1") = "9"
    & skf18("10","5","8","4","3","3","1") = "9"
    & skf18("10","5","8","4","3","4","1") = "9"
    & skf18("10","5","8","4","3","5","1") = "9"
    & skf18("10","5","8","4","3","6","1") = "9"
    & skf18("10","5","8","4","3","7","1") = "9"
    & skf18("10","5","8","4","3","8","1") = "9"
    & skf18("10","5","8","4","3","9","1") = "9"
    & skf18("10","5","8","4","3","10","1") = "9"
    & skf18("10","5","8","4","4","1","1") = "9"
    & skf18("10","5","8","4","4","2","1") = "9"
    & skf18("10","5","8","4","4","3","1") = "9"
    & skf18("10","5","8","4","4","4","1") = "9"
    & skf18("10","5","8","4","4","5","1") = "9"
    & skf18("10","5","8","4","4","6","1") = "9"
    & skf18("10","5","8","4","4","7","1") = "9"
    & skf18("10","5","8","4","4","8","1") = "9"
    & skf18("10","5","8","4","4","9","1") = "9"
    & skf18("10","5","8","4","4","10","1") = "9"
    & skf18("10","5","8","4","5","1","1") = "9"
    & skf18("10","5","8","4","5","2","1") = "9"
    & skf18("10","5","8","4","5","3","1") = "9"
    & skf18("10","5","8","4","5","4","1") = "9"
    & skf18("10","5","8","4","5","5","1") = "9"
    & skf18("10","5","8","4","5","6","1") = "9"
    & skf18("10","5","8","4","5","7","1") = "9"
    & skf18("10","5","8","4","5","8","1") = "9"
    & skf18("10","5","8","4","5","9","1") = "9"
    & skf18("10","5","8","4","5","10","1") = "9"
    & skf18("10","5","8","4","6","1","1") = "9"
    & skf18("10","5","8","4","6","2","1") = "9"
    & skf18("10","5","8","4","6","3","1") = "9"
    & skf18("10","5","8","4","6","4","1") = "9"
    & skf18("10","5","8","4","6","5","1") = "9"
    & skf18("10","5","8","4","6","6","1") = "9"
    & skf18("10","5","8","4","6","7","1") = "9"
    & skf18("10","5","8","4","6","8","1") = "9"
    & skf18("10","5","8","4","6","9","1") = "9"
    & skf18("10","5","8","4","6","10","1") = "9"
    & skf18("10","5","8","4","7","1","1") = "9"
    & skf18("10","5","8","4","7","2","1") = "9"
    & skf18("10","5","8","4","7","3","1") = "9"
    & skf18("10","5","8","4","7","4","1") = "9"
    & skf18("10","5","8","4","7","5","1") = "9"
    & skf18("10","5","8","4","7","6","1") = "9"
    & skf18("10","5","8","4","7","7","1") = "9"
    & skf18("10","5","8","4","7","8","1") = "9"
    & skf18("10","5","8","4","7","9","1") = "9"
    & skf18("10","5","8","4","7","10","1") = "9"
    & skf18("10","5","8","4","8","1","1") = "9"
    & skf18("10","5","8","4","8","2","1") = "9"
    & skf18("10","5","8","4","8","3","1") = "9"
    & skf18("10","5","8","4","8","4","1") = "9"
    & skf18("10","5","8","4","8","5","1") = "9"
    & skf18("10","5","8","4","8","6","1") = "9"
    & skf18("10","5","8","4","8","7","1") = "9"
    & skf18("10","5","8","4","8","8","1") = "9"
    & skf18("10","5","8","4","8","9","1") = "9"
    & skf18("10","5","8","4","8","10","1") = "9"
    & skf18("10","5","8","4","9","1","1") = "9"
    & skf18("10","5","8","4","9","2","1") = "9"
    & skf18("10","5","8","4","9","3","1") = "9"
    & skf18("10","5","8","4","9","4","1") = "9"
    & skf18("10","5","8","4","9","5","1") = "9"
    & skf18("10","5","8","4","9","6","1") = "9"
    & skf18("10","5","8","4","9","7","1") = "9"
    & skf18("10","5","8","4","9","8","1") = "9"
    & skf18("10","5","8","4","9","9","1") = "9"
    & skf18("10","5","8","4","9","10","1") = "9"
    & skf18("10","5","8","4","10","1","1") = "9"
    & skf18("10","5","8","4","10","2","1") = "9"
    & skf18("10","5","8","4","10","3","1") = "9"
    & skf18("10","5","8","4","10","4","1") = "9"
    & skf18("10","5","8","4","10","5","1") = "9"
    & skf18("10","5","8","4","10","6","1") = "9"
    & skf18("10","5","8","4","10","7","1") = "9"
    & skf18("10","5","8","4","10","8","1") = "9"
    & skf18("10","5","8","4","10","9","1") = "9"
    & skf18("10","5","8","4","10","10","1") = "9"
    & skf18("10","5","8","5","1","1","1") = "9"
    & skf18("10","5","8","5","1","2","1") = "9"
    & skf18("10","5","8","5","1","3","1") = "9"
    & skf18("10","5","8","5","1","4","1") = "9"
    & skf18("10","5","8","5","1","5","1") = "9"
    & skf18("10","5","8","5","1","6","1") = "9"
    & skf18("10","5","8","5","1","7","1") = "9"
    & skf18("10","5","8","5","1","8","1") = "9"
    & skf18("10","5","8","5","1","9","1") = "9"
    & skf18("10","5","8","5","1","10","1") = "9"
    & skf18("10","5","8","5","2","1","1") = "9"
    & skf18("10","5","8","5","2","2","1") = "9"
    & skf18("10","5","8","5","2","3","1") = "9"
    & skf18("10","5","8","5","2","4","1") = "9"
    & skf18("10","5","8","5","2","5","1") = "9"
    & skf18("10","5","8","5","2","6","1") = "9"
    & skf18("10","5","8","5","2","7","1") = "9"
    & skf18("10","5","8","5","2","8","1") = "9"
    & skf18("10","5","8","5","2","9","1") = "9"
    & skf18("10","5","8","5","2","10","1") = "9"
    & skf18("10","5","8","5","3","1","1") = "9"
    & skf18("10","5","8","5","3","2","1") = "9"
    & skf18("10","5","8","5","3","3","1") = "9"
    & skf18("10","5","8","5","3","4","1") = "9"
    & skf18("10","5","8","5","3","5","1") = "9"
    & skf18("10","5","8","5","3","6","1") = "9"
    & skf18("10","5","8","5","3","7","1") = "9"
    & skf18("10","5","8","5","3","8","1") = "9"
    & skf18("10","5","8","5","3","9","1") = "9"
    & skf18("10","5","8","5","3","10","1") = "9"
    & skf18("10","5","8","5","4","1","1") = "9"
    & skf18("10","5","8","5","4","2","1") = "9"
    & skf18("10","5","8","5","4","3","1") = "9"
    & skf18("10","5","8","5","4","4","1") = "9"
    & skf18("10","5","8","5","4","5","1") = "9"
    & skf18("10","5","8","5","4","6","1") = "9"
    & skf18("10","5","8","5","4","7","1") = "9"
    & skf18("10","5","8","5","4","8","1") = "9"
    & skf18("10","5","8","5","4","9","1") = "9"
    & skf18("10","5","8","5","4","10","1") = "9"
    & skf18("10","5","8","5","5","1","1") = "9"
    & skf18("10","5","8","5","5","2","1") = "9"
    & skf18("10","5","8","5","5","3","1") = "9"
    & skf18("10","5","8","5","5","4","1") = "9"
    & skf18("10","5","8","5","5","5","1") = "9"
    & skf18("10","5","8","5","5","6","1") = "9"
    & skf18("10","5","8","5","5","7","1") = "9"
    & skf18("10","5","8","5","5","8","1") = "9"
    & skf18("10","5","8","5","5","9","1") = "9"
    & skf18("10","5","8","5","5","10","1") = "9"
    & skf18("10","5","8","5","6","1","1") = "9"
    & skf18("10","5","8","5","6","2","1") = "9"
    & skf18("10","5","8","5","6","3","1") = "9"
    & skf18("10","5","8","5","6","4","1") = "9"
    & skf18("10","5","8","5","6","5","1") = "9"
    & skf18("10","5","8","5","6","6","1") = "9"
    & skf18("10","5","8","5","6","7","1") = "9"
    & skf18("10","5","8","5","6","8","1") = "9"
    & skf18("10","5","8","5","6","9","1") = "9"
    & skf18("10","5","8","5","6","10","1") = "9"
    & skf18("10","5","8","5","7","1","1") = "9"
    & skf18("10","5","8","5","7","2","1") = "9"
    & skf18("10","5","8","5","7","3","1") = "9"
    & skf18("10","5","8","5","7","4","1") = "9"
    & skf18("10","5","8","5","7","5","1") = "9"
    & skf18("10","5","8","5","7","6","1") = "9"
    & skf18("10","5","8","5","7","7","1") = "9"
    & skf18("10","5","8","5","7","8","1") = "9"
    & skf18("10","5","8","5","7","9","1") = "9"
    & skf18("10","5","8","5","7","10","1") = "9"
    & skf18("10","5","8","5","8","1","1") = "9"
    & skf18("10","5","8","5","8","2","1") = "9"
    & skf18("10","5","8","5","8","3","1") = "9"
    & skf18("10","5","8","5","8","4","1") = "9"
    & skf18("10","5","8","5","8","5","1") = "9"
    & skf18("10","5","8","5","8","6","1") = "9"
    & skf18("10","5","8","5","8","7","1") = "9"
    & skf18("10","5","8","5","8","8","1") = "9"
    & skf18("10","5","8","5","8","9","1") = "9"
    & skf18("10","5","8","5","8","10","1") = "9"
    & skf18("10","5","8","5","9","1","1") = "9"
    & skf18("10","5","8","5","9","2","1") = "9"
    & skf18("10","5","8","5","9","3","1") = "9"
    & skf18("10","5","8","5","9","4","1") = "9"
    & skf18("10","5","8","5","9","5","1") = "9"
    & skf18("10","5","8","5","9","6","1") = "9"
    & skf18("10","5","8","5","9","7","1") = "9"
    & skf18("10","5","8","5","9","8","1") = "9"
    & skf18("10","5","8","5","9","9","1") = "9"
    & skf18("10","5","8","5","9","10","1") = "9"
    & skf18("10","5","8","5","10","1","1") = "9"
    & skf18("10","5","8","5","10","2","1") = "9"
    & skf18("10","5","8","5","10","3","1") = "9"
    & skf18("10","5","8","5","10","4","1") = "9"
    & skf18("10","5","8","5","10","5","1") = "9"
    & skf18("10","5","8","5","10","6","1") = "9"
    & skf18("10","5","8","5","10","7","1") = "9"
    & skf18("10","5","8","5","10","8","1") = "9"
    & skf18("10","5","8","5","10","9","1") = "9"
    & skf18("10","5","8","5","10","10","1") = "9"
    & skf18("10","5","8","6","1","1","1") = "9"
    & skf18("10","5","8","6","1","2","1") = "9"
    & skf18("10","5","8","6","1","3","1") = "9"
    & skf18("10","5","8","6","1","4","1") = "9"
    & skf18("10","5","8","6","1","5","1") = "9"
    & skf18("10","5","8","6","1","6","1") = "9"
    & skf18("10","5","8","6","1","7","1") = "9"
    & skf18("10","5","8","6","1","8","1") = "9"
    & skf18("10","5","8","6","1","9","1") = "9"
    & skf18("10","5","8","6","1","10","1") = "9"
    & skf18("10","5","8","6","2","1","1") = "9"
    & skf18("10","5","8","6","2","2","1") = "9"
    & skf18("10","5","8","6","2","3","1") = "9"
    & skf18("10","5","8","6","2","4","1") = "9"
    & skf18("10","5","8","6","2","5","1") = "9"
    & skf18("10","5","8","6","2","6","1") = "9"
    & skf18("10","5","8","6","2","7","1") = "9"
    & skf18("10","5","8","6","2","8","1") = "9"
    & skf18("10","5","8","6","2","9","1") = "9"
    & skf18("10","5","8","6","2","10","1") = "9"
    & skf18("10","5","8","6","3","1","1") = "9"
    & skf18("10","5","8","6","3","2","1") = "9"
    & skf18("10","5","8","6","3","3","1") = "9"
    & skf18("10","5","8","6","3","4","1") = "9"
    & skf18("10","5","8","6","3","5","1") = "9"
    & skf18("10","5","8","6","3","6","1") = "9"
    & skf18("10","5","8","6","3","7","1") = "9"
    & skf18("10","5","8","6","3","8","1") = "9"
    & skf18("10","5","8","6","3","9","1") = "9"
    & skf18("10","5","8","6","3","10","1") = "9"
    & skf18("10","5","8","6","4","1","1") = "9"
    & skf18("10","5","8","6","4","2","1") = "9"
    & skf18("10","5","8","6","4","3","1") = "9"
    & skf18("10","5","8","6","4","4","1") = "9"
    & skf18("10","5","8","6","4","5","1") = "9"
    & skf18("10","5","8","6","4","6","1") = "9"
    & skf18("10","5","8","6","4","7","1") = "9"
    & skf18("10","5","8","6","4","8","1") = "9"
    & skf18("10","5","8","6","4","9","1") = "9"
    & skf18("10","5","8","6","4","10","1") = "9"
    & skf18("10","5","8","6","5","1","1") = "9"
    & skf18("10","5","8","6","5","2","1") = "9"
    & skf18("10","5","8","6","5","3","1") = "9"
    & skf18("10","5","8","6","5","4","1") = "9"
    & skf18("10","5","8","6","5","5","1") = "9"
    & skf18("10","5","8","6","5","6","1") = "9"
    & skf18("10","5","8","6","5","7","1") = "9"
    & skf18("10","5","8","6","5","8","1") = "9"
    & skf18("10","5","8","6","5","9","1") = "9"
    & skf18("10","5","8","6","5","10","1") = "9"
    & skf18("10","5","8","6","6","1","1") = "9"
    & skf18("10","5","8","6","6","2","1") = "9"
    & skf18("10","5","8","6","6","3","1") = "9"
    & skf18("10","5","8","6","6","4","1") = "9"
    & skf18("10","5","8","6","6","5","1") = "9"
    & skf18("10","5","8","6","6","6","1") = "9"
    & skf18("10","5","8","6","6","7","1") = "9"
    & skf18("10","5","8","6","6","8","1") = "9"
    & skf18("10","5","8","6","6","9","1") = "9"
    & skf18("10","5","8","6","6","10","1") = "9"
    & skf18("10","5","8","6","7","1","1") = "9"
    & skf18("10","5","8","6","7","2","1") = "9"
    & skf18("10","5","8","6","7","3","1") = "9"
    & skf18("10","5","8","6","7","4","1") = "9"
    & skf18("10","5","8","6","7","5","1") = "9"
    & skf18("10","5","8","6","7","6","1") = "9"
    & skf18("10","5","8","6","7","7","1") = "9"
    & skf18("10","5","8","6","7","8","1") = "9"
    & skf18("10","5","8","6","7","9","1") = "9"
    & skf18("10","5","8","6","7","10","1") = "9"
    & skf18("10","5","8","6","8","1","1") = "9"
    & skf18("10","5","8","6","8","2","1") = "9"
    & skf18("10","5","8","6","8","3","1") = "9"
    & skf18("10","5","8","6","8","4","1") = "9"
    & skf18("10","5","8","6","8","5","1") = "9"
    & skf18("10","5","8","6","8","6","1") = "9"
    & skf18("10","5","8","6","8","7","1") = "9"
    & skf18("10","5","8","6","8","8","1") = "9"
    & skf18("10","5","8","6","8","9","1") = "9"
    & skf18("10","5","8","6","8","10","1") = "9"
    & skf18("10","5","8","6","9","1","1") = "9"
    & skf18("10","5","8","6","9","2","1") = "9"
    & skf18("10","5","8","6","9","3","1") = "9"
    & skf18("10","5","8","6","9","4","1") = "9"
    & skf18("10","5","8","6","9","5","1") = "9"
    & skf18("10","5","8","6","9","6","1") = "9"
    & skf18("10","5","8","6","9","7","1") = "9"
    & skf18("10","5","8","6","9","8","1") = "9"
    & skf18("10","5","8","6","9","9","1") = "9"
    & skf18("10","5","8","6","9","10","1") = "9"
    & skf18("10","5","8","6","10","1","1") = "9"
    & skf18("10","5","8","6","10","2","1") = "9"
    & skf18("10","5","8","6","10","3","1") = "9"
    & skf18("10","5","8","6","10","4","1") = "9"
    & skf18("10","5","8","6","10","5","1") = "9"
    & skf18("10","5","8","6","10","6","1") = "9"
    & skf18("10","5","8","6","10","7","1") = "9"
    & skf18("10","5","8","6","10","8","1") = "9"
    & skf18("10","5","8","6","10","9","1") = "9"
    & skf18("10","5","8","6","10","10","1") = "9"
    & skf18("10","5","8","7","1","1","1") = "9"
    & skf18("10","5","8","7","1","2","1") = "9"
    & skf18("10","5","8","7","1","3","1") = "9"
    & skf18("10","5","8","7","1","4","1") = "9"
    & skf18("10","5","8","7","1","5","1") = "9"
    & skf18("10","5","8","7","1","6","1") = "9"
    & skf18("10","5","8","7","1","7","1") = "9"
    & skf18("10","5","8","7","1","8","1") = "9"
    & skf18("10","5","8","7","1","9","1") = "9"
    & skf18("10","5","8","7","1","10","1") = "9"
    & skf18("10","5","8","7","2","1","1") = "9"
    & skf18("10","5","8","7","2","2","1") = "9"
    & skf18("10","5","8","7","2","3","1") = "9"
    & skf18("10","5","8","7","2","4","1") = "9"
    & skf18("10","5","8","7","2","5","1") = "9"
    & skf18("10","5","8","7","2","6","1") = "9"
    & skf18("10","5","8","7","2","7","1") = "9"
    & skf18("10","5","8","7","2","8","1") = "9"
    & skf18("10","5","8","7","2","9","1") = "9"
    & skf18("10","5","8","7","2","10","1") = "9"
    & skf18("10","5","8","7","3","1","1") = "9"
    & skf18("10","5","8","7","3","2","1") = "9"
    & skf18("10","5","8","7","3","3","1") = "9"
    & skf18("10","5","8","7","3","4","1") = "9"
    & skf18("10","5","8","7","3","5","1") = "9"
    & skf18("10","5","8","7","3","6","1") = "9"
    & skf18("10","5","8","7","3","7","1") = "9"
    & skf18("10","5","8","7","3","8","1") = "9"
    & skf18("10","5","8","7","3","9","1") = "9"
    & skf18("10","5","8","7","3","10","1") = "9"
    & skf18("10","5","8","7","4","1","1") = "9"
    & skf18("10","5","8","7","4","2","1") = "9"
    & skf18("10","5","8","7","4","3","1") = "9"
    & skf18("10","5","8","7","4","4","1") = "9"
    & skf18("10","5","8","7","4","5","1") = "9"
    & skf18("10","5","8","7","4","6","1") = "9"
    & skf18("10","5","8","7","4","7","1") = "9"
    & skf18("10","5","8","7","4","8","1") = "9"
    & skf18("10","5","8","7","4","9","1") = "9"
    & skf18("10","5","8","7","4","10","1") = "9"
    & skf18("10","5","8","7","5","1","1") = "9"
    & skf18("10","5","8","7","5","2","1") = "9"
    & skf18("10","5","8","7","5","3","1") = "9"
    & skf18("10","5","8","7","5","4","1") = "9"
    & skf18("10","5","8","7","5","5","1") = "9"
    & skf18("10","5","8","7","5","6","1") = "9"
    & skf18("10","5","8","7","5","7","1") = "9"
    & skf18("10","5","8","7","5","8","1") = "9"
    & skf18("10","5","8","7","5","9","1") = "9"
    & skf18("10","5","8","7","5","10","1") = "9"
    & skf18("10","5","8","7","6","1","1") = "9"
    & skf18("10","5","8","7","6","2","1") = "9"
    & skf18("10","5","8","7","6","3","1") = "9"
    & skf18("10","5","8","7","6","4","1") = "9"
    & skf18("10","5","8","7","6","5","1") = "9"
    & skf18("10","5","8","7","6","6","1") = "9"
    & skf18("10","5","8","7","6","7","1") = "9"
    & skf18("10","5","8","7","6","8","1") = "9"
    & skf18("10","5","8","7","6","9","1") = "9"
    & skf18("10","5","8","7","6","10","1") = "9"
    & skf18("10","5","8","7","7","1","1") = "9"
    & skf18("10","5","8","7","7","2","1") = "9"
    & skf18("10","5","8","7","7","3","1") = "9"
    & skf18("10","5","8","7","7","4","1") = "9"
    & skf18("10","5","8","7","7","5","1") = "9"
    & skf18("10","5","8","7","7","6","1") = "9"
    & skf18("10","5","8","7","7","7","1") = "9"
    & skf18("10","5","8","7","7","8","1") = "9"
    & skf18("10","5","8","7","7","9","1") = "9"
    & skf18("10","5","8","7","7","10","1") = "9"
    & skf18("10","5","8","7","8","1","1") = "9"
    & skf18("10","5","8","7","8","2","1") = "9"
    & skf18("10","5","8","7","8","3","1") = "9"
    & skf18("10","5","8","7","8","4","1") = "9"
    & skf18("10","5","8","7","8","5","1") = "9"
    & skf18("10","5","8","7","8","6","1") = "9"
    & skf18("10","5","8","7","8","7","1") = "9"
    & skf18("10","5","8","7","8","8","1") = "9"
    & skf18("10","5","8","7","8","9","1") = "9"
    & skf18("10","5","8","7","8","10","1") = "9"
    & skf18("10","5","8","7","9","1","1") = "9"
    & skf18("10","5","8","7","9","2","1") = "9"
    & skf18("10","5","8","7","9","3","1") = "9"
    & skf18("10","5","8","7","9","4","1") = "9"
    & skf18("10","5","8","7","9","5","1") = "9"
    & skf18("10","5","8","7","9","6","1") = "9"
    & skf18("10","5","8","7","9","7","1") = "9"
    & skf18("10","5","8","7","9","8","1") = "9"
    & skf18("10","5","8","7","9","9","1") = "9"
    & skf18("10","5","8","7","9","10","1") = "9"
    & skf18("10","5","8","7","10","1","1") = "9"
    & skf18("10","5","8","7","10","2","1") = "9"
    & skf18("10","5","8","7","10","3","1") = "9"
    & skf18("10","5","8","7","10","4","1") = "9"
    & skf18("10","5","8","7","10","5","1") = "9"
    & skf18("10","5","8","7","10","6","1") = "9"
    & skf18("10","5","8","7","10","7","1") = "9"
    & skf18("10","5","8","7","10","8","1") = "9"
    & skf18("10","5","8","7","10","9","1") = "9"
    & skf18("10","5","8","7","10","10","1") = "9"
    & skf18("10","5","8","8","1","1","1") = "9"
    & skf18("10","5","8","8","1","2","1") = "9"
    & skf18("10","5","8","8","1","3","1") = "9"
    & skf18("10","5","8","8","1","4","1") = "9"
    & skf18("10","5","8","8","1","5","1") = "9"
    & skf18("10","5","8","8","1","6","1") = "9"
    & skf18("10","5","8","8","1","7","1") = "9"
    & skf18("10","5","8","8","1","8","1") = "9"
    & skf18("10","5","8","8","1","9","1") = "9"
    & skf18("10","5","8","8","1","10","1") = "9"
    & skf18("10","5","8","8","2","1","1") = "9"
    & skf18("10","5","8","8","2","2","1") = "9"
    & skf18("10","5","8","8","2","3","1") = "9"
    & skf18("10","5","8","8","2","4","1") = "9"
    & skf18("10","5","8","8","2","5","1") = "9"
    & skf18("10","5","8","8","2","6","1") = "9"
    & skf18("10","5","8","8","2","7","1") = "9"
    & skf18("10","5","8","8","2","8","1") = "9"
    & skf18("10","5","8","8","2","9","1") = "9"
    & skf18("10","5","8","8","2","10","1") = "9"
    & skf18("10","5","8","8","3","1","1") = "9"
    & skf18("10","5","8","8","3","2","1") = "9"
    & skf18("10","5","8","8","3","3","1") = "9"
    & skf18("10","5","8","8","3","4","1") = "9"
    & skf18("10","5","8","8","3","5","1") = "9"
    & skf18("10","5","8","8","3","6","1") = "9"
    & skf18("10","5","8","8","3","7","1") = "9"
    & skf18("10","5","8","8","3","8","1") = "9"
    & skf18("10","5","8","8","3","9","1") = "9"
    & skf18("10","5","8","8","3","10","1") = "9"
    & skf18("10","5","8","8","4","1","1") = "9"
    & skf18("10","5","8","8","4","2","1") = "9"
    & skf18("10","5","8","8","4","3","1") = "9"
    & skf18("10","5","8","8","4","4","1") = "9"
    & skf18("10","5","8","8","4","5","1") = "9"
    & skf18("10","5","8","8","4","6","1") = "9"
    & skf18("10","5","8","8","4","7","1") = "9"
    & skf18("10","5","8","8","4","8","1") = "9"
    & skf18("10","5","8","8","4","9","1") = "9"
    & skf18("10","5","8","8","4","10","1") = "9"
    & skf18("10","5","8","8","5","1","1") = "9"
    & skf18("10","5","8","8","5","2","1") = "9"
    & skf18("10","5","8","8","5","3","1") = "9"
    & skf18("10","5","8","8","5","4","1") = "9"
    & skf18("10","5","8","8","5","5","1") = "9"
    & skf18("10","5","8","8","5","6","1") = "9"
    & skf18("10","5","8","8","5","7","1") = "9"
    & skf18("10","5","8","8","5","8","1") = "9"
    & skf18("10","5","8","8","5","9","1") = "9"
    & skf18("10","5","8","8","5","10","1") = "9"
    & skf18("10","5","8","8","6","1","1") = "9"
    & skf18("10","5","8","8","6","2","1") = "9"
    & skf18("10","5","8","8","6","3","1") = "9"
    & skf18("10","5","8","8","6","4","1") = "9"
    & skf18("10","5","8","8","6","5","1") = "9"
    & skf18("10","5","8","8","6","6","1") = "9"
    & skf18("10","5","8","8","6","7","1") = "9"
    & skf18("10","5","8","8","6","8","1") = "9"
    & skf18("10","5","8","8","6","9","1") = "9"
    & skf18("10","5","8","8","6","10","1") = "9"
    & skf18("10","5","8","8","7","1","1") = "9"
    & skf18("10","5","8","8","7","2","1") = "9"
    & skf18("10","5","8","8","7","3","1") = "9"
    & skf18("10","5","8","8","7","4","1") = "9"
    & skf18("10","5","8","8","7","5","1") = "9"
    & skf18("10","5","8","8","7","6","1") = "9"
    & skf18("10","5","8","8","7","7","1") = "9"
    & skf18("10","5","8","8","7","8","1") = "9"
    & skf18("10","5","8","8","7","9","1") = "9"
    & skf18("10","5","8","8","7","10","1") = "9"
    & skf18("10","5","8","8","8","1","1") = "9"
    & skf18("10","5","8","8","8","2","1") = "9"
    & skf18("10","5","8","8","8","3","1") = "9"
    & skf18("10","5","8","8","8","4","1") = "9"
    & skf18("10","5","8","8","8","5","1") = "9"
    & skf18("10","5","8","8","8","6","1") = "9"
    & skf18("10","5","8","8","8","7","1") = "9"
    & skf18("10","5","8","8","8","8","1") = "9"
    & skf18("10","5","8","8","8","9","1") = "9"
    & skf18("10","5","8","8","8","10","1") = "9"
    & skf18("10","5","8","8","9","1","1") = "9"
    & skf18("10","5","8","8","9","2","1") = "9"
    & skf18("10","5","8","8","9","3","1") = "9"
    & skf18("10","5","8","8","9","4","1") = "9"
    & skf18("10","5","8","8","9","5","1") = "9"
    & skf18("10","5","8","8","9","6","1") = "9"
    & skf18("10","5","8","8","9","7","1") = "9"
    & skf18("10","5","8","8","9","8","1") = "9"
    & skf18("10","5","8","8","9","9","1") = "9"
    & skf18("10","5","8","8","9","10","1") = "9"
    & skf18("10","5","8","8","10","1","1") = "9"
    & skf18("10","5","8","8","10","2","1") = "9"
    & skf18("10","5","8","8","10","3","1") = "9"
    & skf18("10","5","8","8","10","4","1") = "9"
    & skf18("10","5","8","8","10","5","1") = "9"
    & skf18("10","5","8","8","10","6","1") = "9"
    & skf18("10","5","8","8","10","7","1") = "9"
    & skf18("10","5","8","8","10","8","1") = "9"
    & skf18("10","5","8","8","10","9","1") = "9"
    & skf18("10","5","8","8","10","10","1") = "9"
    & skf18("10","5","8","9","1","1","1") = "9"
    & skf18("10","5","8","9","1","2","1") = "9"
    & skf18("10","5","8","9","1","3","1") = "9"
    & skf18("10","5","8","9","1","4","1") = "9"
    & skf18("10","5","8","9","1","5","1") = "9"
    & skf18("10","5","8","9","1","6","1") = "9"
    & skf18("10","5","8","9","1","7","1") = "9"
    & skf18("10","5","8","9","1","8","1") = "9"
    & skf18("10","5","8","9","1","9","1") = "9"
    & skf18("10","5","8","9","1","10","1") = "9"
    & skf18("10","5","8","9","2","1","1") = "9"
    & skf18("10","5","8","9","2","2","1") = "9"
    & skf18("10","5","8","9","2","3","1") = "9"
    & skf18("10","5","8","9","2","4","1") = "9"
    & skf18("10","5","8","9","2","5","1") = "9"
    & skf18("10","5","8","9","2","6","1") = "9"
    & skf18("10","5","8","9","2","7","1") = "9"
    & skf18("10","5","8","9","2","8","1") = "9"
    & skf18("10","5","8","9","2","9","1") = "9"
    & skf18("10","5","8","9","2","10","1") = "9"
    & skf18("10","5","8","9","3","1","1") = "9"
    & skf18("10","5","8","9","3","2","1") = "9"
    & skf18("10","5","8","9","3","3","1") = "9"
    & skf18("10","5","8","9","3","4","1") = "9"
    & skf18("10","5","8","9","3","5","1") = "9"
    & skf18("10","5","8","9","3","6","1") = "9"
    & skf18("10","5","8","9","3","7","1") = "9"
    & skf18("10","5","8","9","3","8","1") = "9"
    & skf18("10","5","8","9","3","9","1") = "9"
    & skf18("10","5","8","9","3","10","1") = "9"
    & skf18("10","5","8","9","4","1","1") = "9"
    & skf18("10","5","8","9","4","2","1") = "9"
    & skf18("10","5","8","9","4","3","1") = "9"
    & skf18("10","5","8","9","4","4","1") = "9"
    & skf18("10","5","8","9","4","5","1") = "9"
    & skf18("10","5","8","9","4","6","1") = "9"
    & skf18("10","5","8","9","4","7","1") = "9"
    & skf18("10","5","8","9","4","8","1") = "9"
    & skf18("10","5","8","9","4","9","1") = "9"
    & skf18("10","5","8","9","4","10","1") = "9"
    & skf18("10","5","8","9","5","1","1") = "9"
    & skf18("10","5","8","9","5","2","1") = "9"
    & skf18("10","5","8","9","5","3","1") = "9"
    & skf18("10","5","8","9","5","4","1") = "9"
    & skf18("10","5","8","9","5","5","1") = "9"
    & skf18("10","5","8","9","5","6","1") = "9"
    & skf18("10","5","8","9","5","7","1") = "9"
    & skf18("10","5","8","9","5","8","1") = "9"
    & skf18("10","5","8","9","5","9","1") = "9"
    & skf18("10","5","8","9","5","10","1") = "9"
    & skf18("10","5","8","9","6","1","1") = "9"
    & skf18("10","5","8","9","6","2","1") = "9"
    & skf18("10","5","8","9","6","3","1") = "9"
    & skf18("10","5","8","9","6","4","1") = "9"
    & skf18("10","5","8","9","6","5","1") = "9"
    & skf18("10","5","8","9","6","6","1") = "9"
    & skf18("10","5","8","9","6","7","1") = "9"
    & skf18("10","5","8","9","6","8","1") = "9"
    & skf18("10","5","8","9","6","9","1") = "9"
    & skf18("10","5","8","9","6","10","1") = "9"
    & skf18("10","5","8","9","7","1","1") = "9"
    & skf18("10","5","8","9","7","2","1") = "9"
    & skf18("10","5","8","9","7","3","1") = "9"
    & skf18("10","5","8","9","7","4","1") = "9"
    & skf18("10","5","8","9","7","5","1") = "9"
    & skf18("10","5","8","9","7","6","1") = "9"
    & skf18("10","5","8","9","7","7","1") = "9"
    & skf18("10","5","8","9","7","8","1") = "9"
    & skf18("10","5","8","9","7","9","1") = "9"
    & skf18("10","5","8","9","7","10","1") = "9"
    & skf18("10","5","8","9","8","1","1") = "9"
    & skf18("10","5","8","9","8","2","1") = "9"
    & skf18("10","5","8","9","8","3","1") = "9"
    & skf18("10","5","8","9","8","4","1") = "9"
    & skf18("10","5","8","9","8","5","1") = "9"
    & skf18("10","5","8","9","8","6","1") = "9"
    & skf18("10","5","8","9","8","7","1") = "9"
    & skf18("10","5","8","9","8","8","1") = "9"
    & skf18("10","5","8","9","8","9","1") = "9"
    & skf18("10","5","8","9","8","10","1") = "9"
    & skf18("10","5","8","9","9","1","1") = "9"
    & skf18("10","5","8","9","9","2","1") = "9"
    & skf18("10","5","8","9","9","3","1") = "9"
    & skf18("10","5","8","9","9","4","1") = "9"
    & skf18("10","5","8","9","9","5","1") = "9"
    & skf18("10","5","8","9","9","6","1") = "9"
    & skf18("10","5","8","9","9","7","1") = "9"
    & skf18("10","5","8","9","9","8","1") = "9"
    & skf18("10","5","8","9","9","9","1") = "9"
    & skf18("10","5","8","9","9","10","1") = "9"
    & skf18("10","5","8","9","10","1","1") = "9"
    & skf18("10","5","8","9","10","2","1") = "9"
    & skf18("10","5","8","9","10","3","1") = "9"
    & skf18("10","5","8","9","10","4","1") = "9"
    & skf18("10","5","8","9","10","5","1") = "9"
    & skf18("10","5","8","9","10","6","1") = "9"
    & skf18("10","5","8","9","10","7","1") = "9"
    & skf18("10","5","8","9","10","8","1") = "9"
    & skf18("10","5","8","9","10","9","1") = "9"
    & skf18("10","5","8","9","10","10","1") = "9"
    & skf18("10","5","8","10","1","1","1") = "9"
    & skf18("10","5","8","10","1","2","1") = "9"
    & skf18("10","5","8","10","1","3","1") = "9"
    & skf18("10","5","8","10","1","4","1") = "9"
    & skf18("10","5","8","10","1","5","1") = "9"
    & skf18("10","5","8","10","1","6","1") = "9"
    & skf18("10","5","8","10","1","7","1") = "9"
    & skf18("10","5","8","10","1","8","1") = "9"
    & skf18("10","5","8","10","1","9","1") = "9"
    & skf18("10","5","8","10","1","10","1") = "9"
    & skf18("10","5","8","10","2","1","1") = "9"
    & skf18("10","5","8","10","2","2","1") = "9"
    & skf18("10","5","8","10","2","3","1") = "9"
    & skf18("10","5","8","10","2","4","1") = "9"
    & skf18("10","5","8","10","2","5","1") = "9"
    & skf18("10","5","8","10","2","6","1") = "9"
    & skf18("10","5","8","10","2","7","1") = "9"
    & skf18("10","5","8","10","2","8","1") = "9"
    & skf18("10","5","8","10","2","9","1") = "9"
    & skf18("10","5","8","10","2","10","1") = "9"
    & skf18("10","5","8","10","3","1","1") = "9"
    & skf18("10","5","8","10","3","2","1") = "9"
    & skf18("10","5","8","10","3","3","1") = "9"
    & skf18("10","5","8","10","3","4","1") = "9"
    & skf18("10","5","8","10","3","5","1") = "9"
    & skf18("10","5","8","10","3","6","1") = "9"
    & skf18("10","5","8","10","3","7","1") = "9"
    & skf18("10","5","8","10","3","8","1") = "9"
    & skf18("10","5","8","10","3","9","1") = "9"
    & skf18("10","5","8","10","3","10","1") = "9"
    & skf18("10","5","8","10","4","1","1") = "9"
    & skf18("10","5","8","10","4","2","1") = "9"
    & skf18("10","5","8","10","4","3","1") = "9"
    & skf18("10","5","8","10","4","4","1") = "9"
    & skf18("10","5","8","10","4","5","1") = "9"
    & skf18("10","5","8","10","4","6","1") = "9"
    & skf18("10","5","8","10","4","7","1") = "9"
    & skf18("10","5","8","10","4","8","1") = "9"
    & skf18("10","5","8","10","4","9","1") = "9"
    & skf18("10","5","8","10","4","10","1") = "9"
    & skf18("10","5","8","10","5","1","1") = "9"
    & skf18("10","5","8","10","5","2","1") = "9"
    & skf18("10","5","8","10","5","3","1") = "9"
    & skf18("10","5","8","10","5","4","1") = "9"
    & skf18("10","5","8","10","5","5","1") = "9"
    & skf18("10","5","8","10","5","6","1") = "9"
    & skf18("10","5","8","10","5","7","1") = "9"
    & skf18("10","5","8","10","5","8","1") = "9"
    & skf18("10","5","8","10","5","9","1") = "9"
    & skf18("10","5","8","10","5","10","1") = "9"
    & skf18("10","5","8","10","6","1","1") = "9"
    & skf18("10","5","8","10","6","2","1") = "9"
    & skf18("10","5","8","10","6","3","1") = "9"
    & skf18("10","5","8","10","6","4","1") = "9"
    & skf18("10","5","8","10","6","5","1") = "9"
    & skf18("10","5","8","10","6","6","1") = "9"
    & skf18("10","5","8","10","6","7","1") = "9"
    & skf18("10","5","8","10","6","8","1") = "9"
    & skf18("10","5","8","10","6","9","1") = "9"
    & skf18("10","5","8","10","6","10","1") = "9"
    & skf18("10","5","8","10","7","1","1") = "9"
    & skf18("10","5","8","10","7","2","1") = "9"
    & skf18("10","5","8","10","7","3","1") = "9"
    & skf18("10","5","8","10","7","4","1") = "9"
    & skf18("10","5","8","10","7","5","1") = "9"
    & skf18("10","5","8","10","7","6","1") = "9"
    & skf18("10","5","8","10","7","7","1") = "9"
    & skf18("10","5","8","10","7","8","1") = "9"
    & skf18("10","5","8","10","7","9","1") = "9"
    & skf18("10","5","8","10","7","10","1") = "9"
    & skf18("10","5","8","10","8","1","1") = "9"
    & skf18("10","5","8","10","8","2","1") = "9"
    & skf18("10","5","8","10","8","3","1") = "9"
    & skf18("10","5","8","10","8","4","1") = "9"
    & skf18("10","5","8","10","8","5","1") = "9"
    & skf18("10","5","8","10","8","6","1") = "9"
    & skf18("10","5","8","10","8","7","1") = "9"
    & skf18("10","5","8","10","8","8","1") = "9"
    & skf18("10","5","8","10","8","9","1") = "9"
    & skf18("10","5","8","10","8","10","1") = "9"
    & skf18("10","5","8","10","9","1","1") = "9"
    & skf18("10","5","8","10","9","2","1") = "9"
    & skf18("10","5","8","10","9","3","1") = "9"
    & skf18("10","5","8","10","9","4","1") = "9"
    & skf18("10","5","8","10","9","5","1") = "9"
    & skf18("10","5","8","10","9","6","1") = "9"
    & skf18("10","5","8","10","9","7","1") = "9"
    & skf18("10","5","8","10","9","8","1") = "9"
    & skf18("10","5","8","10","9","9","1") = "9"
    & skf18("10","5","8","10","9","10","1") = "9"
    & skf18("10","5","8","10","10","1","1") = "9"
    & skf18("10","5","8","10","10","2","1") = "9"
    & skf18("10","5","8","10","10","3","1") = "9"
    & skf18("10","5","8","10","10","4","1") = "9"
    & skf18("10","5","8","10","10","5","1") = "9"
    & skf18("10","5","8","10","10","6","1") = "9"
    & skf18("10","5","8","10","10","7","1") = "9"
    & skf18("10","5","8","10","10","8","1") = "9"
    & skf18("10","5","8","10","10","9","1") = "9"
    & skf18("10","5","8","10","10","10","1") = "9"
    & skf18("10","5","9","1","1","1","1") = "9"
    & skf18("10","5","9","1","1","2","1") = "9"
    & skf18("10","5","9","1","1","3","1") = "9"
    & skf18("10","5","9","1","1","4","1") = "9"
    & skf18("10","5","9","1","1","5","1") = "9"
    & skf18("10","5","9","1","1","6","1") = "9"
    & skf18("10","5","9","1","1","7","1") = "9"
    & skf18("10","5","9","1","1","8","1") = "9"
    & skf18("10","5","9","1","1","9","1") = "9"
    & skf18("10","5","9","1","1","10","1") = "9"
    & skf18("10","5","9","1","2","1","1") = "9"
    & skf18("10","5","9","1","2","2","1") = "9"
    & skf18("10","5","9","1","2","3","1") = "9"
    & skf18("10","5","9","1","2","4","1") = "9"
    & skf18("10","5","9","1","2","5","1") = "9"
    & skf18("10","5","9","1","2","6","1") = "9"
    & skf18("10","5","9","1","2","7","1") = "9"
    & skf18("10","5","9","1","2","8","1") = "9"
    & skf18("10","5","9","1","2","9","1") = "9"
    & skf18("10","5","9","1","2","10","1") = "9"
    & skf18("10","5","9","1","3","1","1") = "9"
    & skf18("10","5","9","1","3","2","1") = "9"
    & skf18("10","5","9","1","3","3","1") = "9"
    & skf18("10","5","9","1","3","4","1") = "9"
    & skf18("10","5","9","1","3","5","1") = "9"
    & skf18("10","5","9","1","3","6","1") = "9"
    & skf18("10","5","9","1","3","7","1") = "9"
    & skf18("10","5","9","1","3","8","1") = "9"
    & skf18("10","5","9","1","3","9","1") = "9"
    & skf18("10","5","9","1","3","10","1") = "9"
    & skf18("10","5","9","1","4","1","1") = "9"
    & skf18("10","5","9","1","4","2","1") = "9"
    & skf18("10","5","9","1","4","3","1") = "9"
    & skf18("10","5","9","1","4","4","1") = "9"
    & skf18("10","5","9","1","4","5","1") = "9"
    & skf18("10","5","9","1","4","6","1") = "9"
    & skf18("10","5","9","1","4","7","1") = "9"
    & skf18("10","5","9","1","4","8","1") = "9"
    & skf18("10","5","9","1","4","9","1") = "9"
    & skf18("10","5","9","1","4","10","1") = "9"
    & skf18("10","5","9","1","5","1","1") = "9"
    & skf18("10","5","9","1","5","2","1") = "9"
    & skf18("10","5","9","1","5","3","1") = "9"
    & skf18("10","5","9","1","5","4","1") = "9"
    & skf18("10","5","9","1","5","5","1") = "9"
    & skf18("10","5","9","1","5","6","1") = "9"
    & skf18("10","5","9","1","5","7","1") = "9"
    & skf18("10","5","9","1","5","8","1") = "9"
    & skf18("10","5","9","1","5","9","1") = "9"
    & skf18("10","5","9","1","5","10","1") = "9"
    & skf18("10","5","9","1","6","1","1") = "9"
    & skf18("10","5","9","1","6","2","1") = "9"
    & skf18("10","5","9","1","6","3","1") = "9"
    & skf18("10","5","9","1","6","4","1") = "9"
    & skf18("10","5","9","1","6","5","1") = "9"
    & skf18("10","5","9","1","6","6","1") = "9"
    & skf18("10","5","9","1","6","7","1") = "9"
    & skf18("10","5","9","1","6","8","1") = "9"
    & skf18("10","5","9","1","6","9","1") = "9"
    & skf18("10","5","9","1","6","10","1") = "9"
    & skf18("10","5","9","1","7","1","1") = "9"
    & skf18("10","5","9","1","7","2","1") = "9"
    & skf18("10","5","9","1","7","3","1") = "9"
    & skf18("10","5","9","1","7","4","1") = "9"
    & skf18("10","5","9","1","7","5","1") = "9"
    & skf18("10","5","9","1","7","6","1") = "9"
    & skf18("10","5","9","1","7","7","1") = "9"
    & skf18("10","5","9","1","7","8","1") = "9"
    & skf18("10","5","9","1","7","9","1") = "9"
    & skf18("10","5","9","1","7","10","1") = "9"
    & skf18("10","5","9","1","8","1","1") = "9"
    & skf18("10","5","9","1","8","2","1") = "9"
    & skf18("10","5","9","1","8","3","1") = "9"
    & skf18("10","5","9","1","8","4","1") = "9"
    & skf18("10","5","9","1","8","5","1") = "9"
    & skf18("10","5","9","1","8","6","1") = "9"
    & skf18("10","5","9","1","8","7","1") = "9"
    & skf18("10","5","9","1","8","8","1") = "9"
    & skf18("10","5","9","1","8","9","1") = "9"
    & skf18("10","5","9","1","8","10","1") = "9"
    & skf18("10","5","9","1","9","1","1") = "9"
    & skf18("10","5","9","1","9","2","1") = "9"
    & skf18("10","5","9","1","9","3","1") = "9"
    & skf18("10","5","9","1","9","4","1") = "9"
    & skf18("10","5","9","1","9","5","1") = "9"
    & skf18("10","5","9","1","9","6","1") = "9"
    & skf18("10","5","9","1","9","7","1") = "9"
    & skf18("10","5","9","1","9","8","1") = "9"
    & skf18("10","5","9","1","9","9","1") = "9"
    & skf18("10","5","9","1","9","10","1") = "9"
    & skf18("10","5","9","1","10","1","1") = "9"
    & skf18("10","5","9","1","10","2","1") = "9"
    & skf18("10","5","9","1","10","3","1") = "9"
    & skf18("10","5","9","1","10","4","1") = "9"
    & skf18("10","5","9","1","10","5","1") = "9"
    & skf18("10","5","9","1","10","6","1") = "9"
    & skf18("10","5","9","1","10","7","1") = "9"
    & skf18("10","5","9","1","10","8","1") = "9"
    & skf18("10","5","9","1","10","9","1") = "9"
    & skf18("10","5","9","1","10","10","1") = "9"
    & skf18("10","5","9","2","1","1","1") = "9"
    & skf18("10","5","9","2","1","2","1") = "9"
    & skf18("10","5","9","2","1","3","1") = "9"
    & skf18("10","5","9","2","1","4","1") = "9"
    & skf18("10","5","9","2","1","5","1") = "9"
    & skf18("10","5","9","2","1","6","1") = "9"
    & skf18("10","5","9","2","1","7","1") = "9"
    & skf18("10","5","9","2","1","8","1") = "9"
    & skf18("10","5","9","2","1","9","1") = "9"
    & skf18("10","5","9","2","1","10","1") = "9"
    & skf18("10","5","9","2","2","1","1") = "9"
    & skf18("10","5","9","2","2","2","1") = "9"
    & skf18("10","5","9","2","2","3","1") = "9"
    & skf18("10","5","9","2","2","4","1") = "9"
    & skf18("10","5","9","2","2","5","1") = "9"
    & skf18("10","5","9","2","2","6","1") = "9"
    & skf18("10","5","9","2","2","7","1") = "9"
    & skf18("10","5","9","2","2","8","1") = "9"
    & skf18("10","5","9","2","2","9","1") = "9"
    & skf18("10","5","9","2","2","10","1") = "9"
    & skf18("10","5","9","2","3","1","1") = "9"
    & skf18("10","5","9","2","3","2","1") = "9"
    & skf18("10","5","9","2","3","3","1") = "9"
    & skf18("10","5","9","2","3","4","1") = "9"
    & skf18("10","5","9","2","3","5","1") = "9"
    & skf18("10","5","9","2","3","6","1") = "9"
    & skf18("10","5","9","2","3","7","1") = "9"
    & skf18("10","5","9","2","3","8","1") = "9"
    & skf18("10","5","9","2","3","9","1") = "9"
    & skf18("10","5","9","2","3","10","1") = "9"
    & skf18("10","5","9","2","4","1","1") = "9"
    & skf18("10","5","9","2","4","2","1") = "9"
    & skf18("10","5","9","2","4","3","1") = "9"
    & skf18("10","5","9","2","4","4","1") = "9"
    & skf18("10","5","9","2","4","5","1") = "9"
    & skf18("10","5","9","2","4","6","1") = "9"
    & skf18("10","5","9","2","4","7","1") = "9"
    & skf18("10","5","9","2","4","8","1") = "9"
    & skf18("10","5","9","2","4","9","1") = "9"
    & skf18("10","5","9","2","4","10","1") = "9"
    & skf18("10","5","9","2","5","1","1") = "9"
    & skf18("10","5","9","2","5","2","1") = "9"
    & skf18("10","5","9","2","5","3","1") = "9"
    & skf18("10","5","9","2","5","4","1") = "9"
    & skf18("10","5","9","2","5","5","1") = "9"
    & skf18("10","5","9","2","5","6","1") = "9"
    & skf18("10","5","9","2","5","7","1") = "9"
    & skf18("10","5","9","2","5","8","1") = "9"
    & skf18("10","5","9","2","5","9","1") = "9"
    & skf18("10","5","9","2","5","10","1") = "9"
    & skf18("10","5","9","2","6","1","1") = "9"
    & skf18("10","5","9","2","6","2","1") = "9"
    & skf18("10","5","9","2","6","3","1") = "9"
    & skf18("10","5","9","2","6","4","1") = "9"
    & skf18("10","5","9","2","6","5","1") = "9"
    & skf18("10","5","9","2","6","6","1") = "9"
    & skf18("10","5","9","2","6","7","1") = "9"
    & skf18("10","5","9","2","6","8","1") = "9"
    & skf18("10","5","9","2","6","9","1") = "9"
    & skf18("10","5","9","2","6","10","1") = "9"
    & skf18("10","5","9","2","7","1","1") = "9"
    & skf18("10","5","9","2","7","2","1") = "9"
    & skf18("10","5","9","2","7","3","1") = "9"
    & skf18("10","5","9","2","7","4","1") = "9"
    & skf18("10","5","9","2","7","5","1") = "9"
    & skf18("10","5","9","2","7","6","1") = "9"
    & skf18("10","5","9","2","7","7","1") = "9"
    & skf18("10","5","9","2","7","8","1") = "9"
    & skf18("10","5","9","2","7","9","1") = "9"
    & skf18("10","5","9","2","7","10","1") = "9"
    & skf18("10","5","9","2","8","1","1") = "9"
    & skf18("10","5","9","2","8","2","1") = "9"
    & skf18("10","5","9","2","8","3","1") = "9"
    & skf18("10","5","9","2","8","4","1") = "9"
    & skf18("10","5","9","2","8","5","1") = "9"
    & skf18("10","5","9","2","8","6","1") = "9"
    & skf18("10","5","9","2","8","7","1") = "9"
    & skf18("10","5","9","2","8","8","1") = "9"
    & skf18("10","5","9","2","8","9","1") = "9"
    & skf18("10","5","9","2","8","10","1") = "9"
    & skf18("10","5","9","2","9","1","1") = "9"
    & skf18("10","5","9","2","9","2","1") = "9"
    & skf18("10","5","9","2","9","3","1") = "9"
    & skf18("10","5","9","2","9","4","1") = "9"
    & skf18("10","5","9","2","9","5","1") = "9"
    & skf18("10","5","9","2","9","6","1") = "9"
    & skf18("10","5","9","2","9","7","1") = "9"
    & skf18("10","5","9","2","9","8","1") = "9"
    & skf18("10","5","9","2","9","9","1") = "9"
    & skf18("10","5","9","2","9","10","1") = "9"
    & skf18("10","5","9","2","10","1","1") = "9"
    & skf18("10","5","9","2","10","2","1") = "9"
    & skf18("10","5","9","2","10","3","1") = "9"
    & skf18("10","5","9","2","10","4","1") = "9"
    & skf18("10","5","9","2","10","5","1") = "9"
    & skf18("10","5","9","2","10","6","1") = "9"
    & skf18("10","5","9","2","10","7","1") = "9"
    & skf18("10","5","9","2","10","8","1") = "9"
    & skf18("10","5","9","2","10","9","1") = "9"
    & skf18("10","5","9","2","10","10","1") = "9"
    & skf18("10","5","9","3","1","1","1") = "9"
    & skf18("10","5","9","3","1","2","1") = "9"
    & skf18("10","5","9","3","1","3","1") = "9"
    & skf18("10","5","9","3","1","4","1") = "9"
    & skf18("10","5","9","3","1","5","1") = "9"
    & skf18("10","5","9","3","1","6","1") = "9"
    & skf18("10","5","9","3","1","7","1") = "9"
    & skf18("10","5","9","3","1","8","1") = "9"
    & skf18("10","5","9","3","1","9","1") = "9"
    & skf18("10","5","9","3","1","10","1") = "9"
    & skf18("10","5","9","3","2","1","1") = "9"
    & skf18("10","5","9","3","2","2","1") = "9"
    & skf18("10","5","9","3","2","3","1") = "9"
    & skf18("10","5","9","3","2","4","1") = "9"
    & skf18("10","5","9","3","2","5","1") = "9"
    & skf18("10","5","9","3","2","6","1") = "9"
    & skf18("10","5","9","3","2","7","1") = "9"
    & skf18("10","5","9","3","2","8","1") = "9"
    & skf18("10","5","9","3","2","9","1") = "9"
    & skf18("10","5","9","3","2","10","1") = "9"
    & skf18("10","5","9","3","3","1","1") = "9"
    & skf18("10","5","9","3","3","2","1") = "9"
    & skf18("10","5","9","3","3","3","1") = "9"
    & skf18("10","5","9","3","3","4","1") = "9"
    & skf18("10","5","9","3","3","5","1") = "9"
    & skf18("10","5","9","3","3","6","1") = "9"
    & skf18("10","5","9","3","3","7","1") = "9"
    & skf18("10","5","9","3","3","8","1") = "9"
    & skf18("10","5","9","3","3","9","1") = "9"
    & skf18("10","5","9","3","3","10","1") = "9"
    & skf18("10","5","9","3","4","1","1") = "9"
    & skf18("10","5","9","3","4","2","1") = "9"
    & skf18("10","5","9","3","4","3","1") = "9"
    & skf18("10","5","9","3","4","4","1") = "9"
    & skf18("10","5","9","3","4","5","1") = "9"
    & skf18("10","5","9","3","4","6","1") = "9"
    & skf18("10","5","9","3","4","7","1") = "9"
    & skf18("10","5","9","3","4","8","1") = "9"
    & skf18("10","5","9","3","4","9","1") = "9"
    & skf18("10","5","9","3","4","10","1") = "9"
    & skf18("10","5","9","3","5","1","1") = "9"
    & skf18("10","5","9","3","5","2","1") = "9"
    & skf18("10","5","9","3","5","3","1") = "9"
    & skf18("10","5","9","3","5","4","1") = "9"
    & skf18("10","5","9","3","5","5","1") = "9"
    & skf18("10","5","9","3","5","6","1") = "9"
    & skf18("10","5","9","3","5","7","1") = "9"
    & skf18("10","5","9","3","5","8","1") = "9"
    & skf18("10","5","9","3","5","9","1") = "9"
    & skf18("10","5","9","3","5","10","1") = "9"
    & skf18("10","5","9","3","6","1","1") = "9"
    & skf18("10","5","9","3","6","2","1") = "9"
    & skf18("10","5","9","3","6","3","1") = "9"
    & skf18("10","5","9","3","6","4","1") = "9"
    & skf18("10","5","9","3","6","5","1") = "9"
    & skf18("10","5","9","3","6","6","1") = "9"
    & skf18("10","5","9","3","6","7","1") = "9"
    & skf18("10","5","9","3","6","8","1") = "9"
    & skf18("10","5","9","3","6","9","1") = "9"
    & skf18("10","5","9","3","6","10","1") = "9"
    & skf18("10","5","9","3","7","1","1") = "9"
    & skf18("10","5","9","3","7","2","1") = "9"
    & skf18("10","5","9","3","7","3","1") = "9"
    & skf18("10","5","9","3","7","4","1") = "9"
    & skf18("10","5","9","3","7","5","1") = "9"
    & skf18("10","5","9","3","7","6","1") = "9"
    & skf18("10","5","9","3","7","7","1") = "9"
    & skf18("10","5","9","3","7","8","1") = "9"
    & skf18("10","5","9","3","7","9","1") = "9"
    & skf18("10","5","9","3","7","10","1") = "9"
    & skf18("10","5","9","3","8","1","1") = "9"
    & skf18("10","5","9","3","8","2","1") = "9"
    & skf18("10","5","9","3","8","3","1") = "9"
    & skf18("10","5","9","3","8","4","1") = "9"
    & skf18("10","5","9","3","8","5","1") = "9"
    & skf18("10","5","9","3","8","6","1") = "9"
    & skf18("10","5","9","3","8","7","1") = "9"
    & skf18("10","5","9","3","8","8","1") = "9"
    & skf18("10","5","9","3","8","9","1") = "9"
    & skf18("10","5","9","3","8","10","1") = "9"
    & skf18("10","5","9","3","9","1","1") = "9"
    & skf18("10","5","9","3","9","2","1") = "9"
    & skf18("10","5","9","3","9","3","1") = "9"
    & skf18("10","5","9","3","9","4","1") = "9"
    & skf18("10","5","9","3","9","5","1") = "9"
    & skf18("10","5","9","3","9","6","1") = "9"
    & skf18("10","5","9","3","9","7","1") = "9"
    & skf18("10","5","9","3","9","8","1") = "9"
    & skf18("10","5","9","3","9","9","1") = "9"
    & skf18("10","5","9","3","9","10","1") = "9"
    & skf18("10","5","9","3","10","1","1") = "9"
    & skf18("10","5","9","3","10","2","1") = "9"
    & skf18("10","5","9","3","10","3","1") = "9"
    & skf18("10","5","9","3","10","4","1") = "9"
    & skf18("10","5","9","3","10","5","1") = "9"
    & skf18("10","5","9","3","10","6","1") = "9"
    & skf18("10","5","9","3","10","7","1") = "9"
    & skf18("10","5","9","3","10","8","1") = "9"
    & skf18("10","5","9","3","10","9","1") = "9"
    & skf18("10","5","9","3","10","10","1") = "9"
    & skf18("10","5","9","4","1","1","1") = "9"
    & skf18("10","5","9","4","1","2","1") = "9"
    & skf18("10","5","9","4","1","3","1") = "9"
    & skf18("10","5","9","4","1","4","1") = "9"
    & skf18("10","5","9","4","1","5","1") = "9"
    & skf18("10","5","9","4","1","6","1") = "9"
    & skf18("10","5","9","4","1","7","1") = "9"
    & skf18("10","5","9","4","1","8","1") = "9"
    & skf18("10","5","9","4","1","9","1") = "9"
    & skf18("10","5","9","4","1","10","1") = "9"
    & skf18("10","5","9","4","2","1","1") = "9"
    & skf18("10","5","9","4","2","2","1") = "9"
    & skf18("10","5","9","4","2","3","1") = "9"
    & skf18("10","5","9","4","2","4","1") = "9"
    & skf18("10","5","9","4","2","5","1") = "9"
    & skf18("10","5","9","4","2","6","1") = "9"
    & skf18("10","5","9","4","2","7","1") = "9"
    & skf18("10","5","9","4","2","8","1") = "9"
    & skf18("10","5","9","4","2","9","1") = "9"
    & skf18("10","5","9","4","2","10","1") = "9"
    & skf18("10","5","9","4","3","1","1") = "9"
    & skf18("10","5","9","4","3","2","1") = "9"
    & skf18("10","5","9","4","3","3","1") = "9"
    & skf18("10","5","9","4","3","4","1") = "9"
    & skf18("10","5","9","4","3","5","1") = "9"
    & skf18("10","5","9","4","3","6","1") = "9"
    & skf18("10","5","9","4","3","7","1") = "9"
    & skf18("10","5","9","4","3","8","1") = "9"
    & skf18("10","5","9","4","3","9","1") = "9"
    & skf18("10","5","9","4","3","10","1") = "9"
    & skf18("10","5","9","4","4","1","1") = "9"
    & skf18("10","5","9","4","4","2","1") = "9"
    & skf18("10","5","9","4","4","3","1") = "9"
    & skf18("10","5","9","4","4","4","1") = "9"
    & skf18("10","5","9","4","4","5","1") = "9"
    & skf18("10","5","9","4","4","6","1") = "9"
    & skf18("10","5","9","4","4","7","1") = "9"
    & skf18("10","5","9","4","4","8","1") = "9"
    & skf18("10","5","9","4","4","9","1") = "9"
    & skf18("10","5","9","4","4","10","1") = "9"
    & skf18("10","5","9","4","5","1","1") = "9"
    & skf18("10","5","9","4","5","2","1") = "9"
    & skf18("10","5","9","4","5","3","1") = "9"
    & skf18("10","5","9","4","5","4","1") = "9"
    & skf18("10","5","9","4","5","5","1") = "9"
    & skf18("10","5","9","4","5","6","1") = "9"
    & skf18("10","5","9","4","5","7","1") = "9"
    & skf18("10","5","9","4","5","8","1") = "9"
    & skf18("10","5","9","4","5","9","1") = "9"
    & skf18("10","5","9","4","5","10","1") = "9"
    & skf18("10","5","9","4","6","1","1") = "9"
    & skf18("10","5","9","4","6","2","1") = "9"
    & skf18("10","5","9","4","6","3","1") = "9"
    & skf18("10","5","9","4","6","4","1") = "9"
    & skf18("10","5","9","4","6","5","1") = "9"
    & skf18("10","5","9","4","6","6","1") = "9"
    & skf18("10","5","9","4","6","7","1") = "9"
    & skf18("10","5","9","4","6","8","1") = "9"
    & skf18("10","5","9","4","6","9","1") = "9"
    & skf18("10","5","9","4","6","10","1") = "9"
    & skf18("10","5","9","4","7","1","1") = "9"
    & skf18("10","5","9","4","7","2","1") = "9"
    & skf18("10","5","9","4","7","3","1") = "9"
    & skf18("10","5","9","4","7","4","1") = "9"
    & skf18("10","5","9","4","7","5","1") = "9"
    & skf18("10","5","9","4","7","6","1") = "9"
    & skf18("10","5","9","4","7","7","1") = "9"
    & skf18("10","5","9","4","7","8","1") = "9"
    & skf18("10","5","9","4","7","9","1") = "9"
    & skf18("10","5","9","4","7","10","1") = "9"
    & skf18("10","5","9","4","8","1","1") = "9"
    & skf18("10","5","9","4","8","2","1") = "9"
    & skf18("10","5","9","4","8","3","1") = "9"
    & skf18("10","5","9","4","8","4","1") = "9"
    & skf18("10","5","9","4","8","5","1") = "9"
    & skf18("10","5","9","4","8","6","1") = "9"
    & skf18("10","5","9","4","8","7","1") = "9"
    & skf18("10","5","9","4","8","8","1") = "9"
    & skf18("10","5","9","4","8","9","1") = "9"
    & skf18("10","5","9","4","8","10","1") = "9"
    & skf18("10","5","9","4","9","1","1") = "9"
    & skf18("10","5","9","4","9","2","1") = "9"
    & skf18("10","5","9","4","9","3","1") = "9"
    & skf18("10","5","9","4","9","4","1") = "9"
    & skf18("10","5","9","4","9","5","1") = "9"
    & skf18("10","5","9","4","9","6","1") = "9"
    & skf18("10","5","9","4","9","7","1") = "9"
    & skf18("10","5","9","4","9","8","1") = "9"
    & skf18("10","5","9","4","9","9","1") = "9"
    & skf18("10","5","9","4","9","10","1") = "9"
    & skf18("10","5","9","4","10","1","1") = "9"
    & skf18("10","5","9","4","10","2","1") = "9"
    & skf18("10","5","9","4","10","3","1") = "9"
    & skf18("10","5","9","4","10","4","1") = "9"
    & skf18("10","5","9","4","10","5","1") = "9"
    & skf18("10","5","9","4","10","6","1") = "9"
    & skf18("10","5","9","4","10","7","1") = "9"
    & skf18("10","5","9","4","10","8","1") = "9"
    & skf18("10","5","9","4","10","9","1") = "9"
    & skf18("10","5","9","4","10","10","1") = "9"
    & skf18("10","5","9","5","1","1","1") = "9"
    & skf18("10","5","9","5","1","2","1") = "9"
    & skf18("10","5","9","5","1","3","1") = "9"
    & skf18("10","5","9","5","1","4","1") = "9"
    & skf18("10","5","9","5","1","5","1") = "9"
    & skf18("10","5","9","5","1","6","1") = "9"
    & skf18("10","5","9","5","1","7","1") = "9"
    & skf18("10","5","9","5","1","8","1") = "9"
    & skf18("10","5","9","5","1","9","1") = "9"
    & skf18("10","5","9","5","1","10","1") = "9"
    & skf18("10","5","9","5","2","1","1") = "9"
    & skf18("10","5","9","5","2","2","1") = "9"
    & skf18("10","5","9","5","2","3","1") = "9"
    & skf18("10","5","9","5","2","4","1") = "9"
    & skf18("10","5","9","5","2","5","1") = "9"
    & skf18("10","5","9","5","2","6","1") = "9"
    & skf18("10","5","9","5","2","7","1") = "9"
    & skf18("10","5","9","5","2","8","1") = "9"
    & skf18("10","5","9","5","2","9","1") = "9"
    & skf18("10","5","9","5","2","10","1") = "9"
    & skf18("10","5","9","5","3","1","1") = "9"
    & skf18("10","5","9","5","3","2","1") = "9"
    & skf18("10","5","9","5","3","3","1") = "9"
    & skf18("10","5","9","5","3","4","1") = "9"
    & skf18("10","5","9","5","3","5","1") = "9"
    & skf18("10","5","9","5","3","6","1") = "9"
    & skf18("10","5","9","5","3","7","1") = "9"
    & skf18("10","5","9","5","3","8","1") = "9"
    & skf18("10","5","9","5","3","9","1") = "9"
    & skf18("10","5","9","5","3","10","1") = "9"
    & skf18("10","5","9","5","4","1","1") = "9"
    & skf18("10","5","9","5","4","2","1") = "9"
    & skf18("10","5","9","5","4","3","1") = "9"
    & skf18("10","5","9","5","4","4","1") = "9"
    & skf18("10","5","9","5","4","5","1") = "9"
    & skf18("10","5","9","5","4","6","1") = "9"
    & skf18("10","5","9","5","4","7","1") = "9"
    & skf18("10","5","9","5","4","8","1") = "9"
    & skf18("10","5","9","5","4","9","1") = "9"
    & skf18("10","5","9","5","4","10","1") = "9"
    & skf18("10","5","9","5","5","1","1") = "9"
    & skf18("10","5","9","5","5","2","1") = "9"
    & skf18("10","5","9","5","5","3","1") = "9"
    & skf18("10","5","9","5","5","4","1") = "9"
    & skf18("10","5","9","5","5","5","1") = "9"
    & skf18("10","5","9","5","5","6","1") = "9"
    & skf18("10","5","9","5","5","7","1") = "9"
    & skf18("10","5","9","5","5","8","1") = "9"
    & skf18("10","5","9","5","5","9","1") = "9"
    & skf18("10","5","9","5","5","10","1") = "9"
    & skf18("10","5","9","5","6","1","1") = "9"
    & skf18("10","5","9","5","6","2","1") = "9"
    & skf18("10","5","9","5","6","3","1") = "9"
    & skf18("10","5","9","5","6","4","1") = "9"
    & skf18("10","5","9","5","6","5","1") = "9"
    & skf18("10","5","9","5","6","6","1") = "9"
    & skf18("10","5","9","5","6","7","1") = "9"
    & skf18("10","5","9","5","6","8","1") = "9"
    & skf18("10","5","9","5","6","9","1") = "9"
    & skf18("10","5","9","5","6","10","1") = "9"
    & skf18("10","5","9","5","7","1","1") = "9"
    & skf18("10","5","9","5","7","2","1") = "9"
    & skf18("10","5","9","5","7","3","1") = "9"
    & skf18("10","5","9","5","7","4","1") = "9"
    & skf18("10","5","9","5","7","5","1") = "9"
    & skf18("10","5","9","5","7","6","1") = "9"
    & skf18("10","5","9","5","7","7","1") = "9"
    & skf18("10","5","9","5","7","8","1") = "9"
    & skf18("10","5","9","5","7","9","1") = "9"
    & skf18("10","5","9","5","7","10","1") = "9"
    & skf18("10","5","9","5","8","1","1") = "9"
    & skf18("10","5","9","5","8","2","1") = "9"
    & skf18("10","5","9","5","8","3","1") = "9"
    & skf18("10","5","9","5","8","4","1") = "9"
    & skf18("10","5","9","5","8","5","1") = "9"
    & skf18("10","5","9","5","8","6","1") = "9"
    & skf18("10","5","9","5","8","7","1") = "9"
    & skf18("10","5","9","5","8","8","1") = "9"
    & skf18("10","5","9","5","8","9","1") = "9"
    & skf18("10","5","9","5","8","10","1") = "9"
    & skf18("10","5","9","5","9","1","1") = "9"
    & skf18("10","5","9","5","9","2","1") = "9"
    & skf18("10","5","9","5","9","3","1") = "9"
    & skf18("10","5","9","5","9","4","1") = "9"
    & skf18("10","5","9","5","9","5","1") = "9"
    & skf18("10","5","9","5","9","6","1") = "9"
    & skf18("10","5","9","5","9","7","1") = "9"
    & skf18("10","5","9","5","9","8","1") = "9"
    & skf18("10","5","9","5","9","9","1") = "9"
    & skf18("10","5","9","5","9","10","1") = "9"
    & skf18("10","5","9","5","10","1","1") = "9"
    & skf18("10","5","9","5","10","2","1") = "9"
    & skf18("10","5","9","5","10","3","1") = "9"
    & skf18("10","5","9","5","10","4","1") = "9"
    & skf18("10","5","9","5","10","5","1") = "9"
    & skf18("10","5","9","5","10","6","1") = "9"
    & skf18("10","5","9","5","10","7","1") = "9"
    & skf18("10","5","9","5","10","8","1") = "9"
    & skf18("10","5","9","5","10","9","1") = "9"
    & skf18("10","5","9","5","10","10","1") = "9"
    & skf18("10","5","9","6","1","1","1") = "9"
    & skf18("10","5","9","6","1","2","1") = "9"
    & skf18("10","5","9","6","1","3","1") = "9"
    & skf18("10","5","9","6","1","4","1") = "9"
    & skf18("10","5","9","6","1","5","1") = "9"
    & skf18("10","5","9","6","1","6","1") = "9"
    & skf18("10","5","9","6","1","7","1") = "9"
    & skf18("10","5","9","6","1","8","1") = "9"
    & skf18("10","5","9","6","1","9","1") = "9"
    & skf18("10","5","9","6","1","10","1") = "9"
    & skf18("10","5","9","6","2","1","1") = "9"
    & skf18("10","5","9","6","2","2","1") = "9"
    & skf18("10","5","9","6","2","3","1") = "9"
    & skf18("10","5","9","6","2","4","1") = "9"
    & skf18("10","5","9","6","2","5","1") = "9"
    & skf18("10","5","9","6","2","6","1") = "9"
    & skf18("10","5","9","6","2","7","1") = "9"
    & skf18("10","5","9","6","2","8","1") = "9"
    & skf18("10","5","9","6","2","9","1") = "9"
    & skf18("10","5","9","6","2","10","1") = "9"
    & skf18("10","5","9","6","3","1","1") = "9"
    & skf18("10","5","9","6","3","2","1") = "9"
    & skf18("10","5","9","6","3","3","1") = "9"
    & skf18("10","5","9","6","3","4","1") = "9"
    & skf18("10","5","9","6","3","5","1") = "9"
    & skf18("10","5","9","6","3","6","1") = "9"
    & skf18("10","5","9","6","3","7","1") = "9"
    & skf18("10","5","9","6","3","8","1") = "9"
    & skf18("10","5","9","6","3","9","1") = "9"
    & skf18("10","5","9","6","3","10","1") = "9"
    & skf18("10","5","9","6","4","1","1") = "9"
    & skf18("10","5","9","6","4","2","1") = "9"
    & skf18("10","5","9","6","4","3","1") = "9"
    & skf18("10","5","9","6","4","4","1") = "9"
    & skf18("10","5","9","6","4","5","1") = "9"
    & skf18("10","5","9","6","4","6","1") = "9"
    & skf18("10","5","9","6","4","7","1") = "9"
    & skf18("10","5","9","6","4","8","1") = "9"
    & skf18("10","5","9","6","4","9","1") = "9"
    & skf18("10","5","9","6","4","10","1") = "9"
    & skf18("10","5","9","6","5","1","1") = "9"
    & skf18("10","5","9","6","5","2","1") = "9"
    & skf18("10","5","9","6","5","3","1") = "9"
    & skf18("10","5","9","6","5","4","1") = "9"
    & skf18("10","5","9","6","5","5","1") = "9"
    & skf18("10","5","9","6","5","6","1") = "9"
    & skf18("10","5","9","6","5","7","1") = "9"
    & skf18("10","5","9","6","5","8","1") = "9"
    & skf18("10","5","9","6","5","9","1") = "9"
    & skf18("10","5","9","6","5","10","1") = "9"
    & skf18("10","5","9","6","6","1","1") = "9"
    & skf18("10","5","9","6","6","2","1") = "9"
    & skf18("10","5","9","6","6","3","1") = "9"
    & skf18("10","5","9","6","6","4","1") = "9"
    & skf18("10","5","9","6","6","5","1") = "9"
    & skf18("10","5","9","6","6","6","1") = "9"
    & skf18("10","5","9","6","6","7","1") = "9"
    & skf18("10","5","9","6","6","8","1") = "9"
    & skf18("10","5","9","6","6","9","1") = "9"
    & skf18("10","5","9","6","6","10","1") = "9"
    & skf18("10","5","9","6","7","1","1") = "9"
    & skf18("10","5","9","6","7","2","1") = "9"
    & skf18("10","5","9","6","7","3","1") = "9"
    & skf18("10","5","9","6","7","4","1") = "9"
    & skf18("10","5","9","6","7","5","1") = "9"
    & skf18("10","5","9","6","7","6","1") = "9"
    & skf18("10","5","9","6","7","7","1") = "9"
    & skf18("10","5","9","6","7","8","1") = "9"
    & skf18("10","5","9","6","7","9","1") = "9"
    & skf18("10","5","9","6","7","10","1") = "9"
    & skf18("10","5","9","6","8","1","1") = "9"
    & skf18("10","5","9","6","8","2","1") = "9"
    & skf18("10","5","9","6","8","3","1") = "9"
    & skf18("10","5","9","6","8","4","1") = "9"
    & skf18("10","5","9","6","8","5","1") = "9"
    & skf18("10","5","9","6","8","6","1") = "9"
    & skf18("10","5","9","6","8","7","1") = "9"
    & skf18("10","5","9","6","8","8","1") = "9"
    & skf18("10","5","9","6","8","9","1") = "9"
    & skf18("10","5","9","6","8","10","1") = "9"
    & skf18("10","5","9","6","9","1","1") = "9"
    & skf18("10","5","9","6","9","2","1") = "9"
    & skf18("10","5","9","6","9","3","1") = "9"
    & skf18("10","5","9","6","9","4","1") = "9"
    & skf18("10","5","9","6","9","5","1") = "9"
    & skf18("10","5","9","6","9","6","1") = "9"
    & skf18("10","5","9","6","9","7","1") = "9"
    & skf18("10","5","9","6","9","8","1") = "9"
    & skf18("10","5","9","6","9","9","1") = "9"
    & skf18("10","5","9","6","9","10","1") = "9"
    & skf18("10","5","9","6","10","1","1") = "9"
    & skf18("10","5","9","6","10","2","1") = "9"
    & skf18("10","5","9","6","10","3","1") = "9"
    & skf18("10","5","9","6","10","4","1") = "9"
    & skf18("10","5","9","6","10","5","1") = "9"
    & skf18("10","5","9","6","10","6","1") = "9"
    & skf18("10","5","9","6","10","7","1") = "9"
    & skf18("10","5","9","6","10","8","1") = "9"
    & skf18("10","5","9","6","10","9","1") = "9"
    & skf18("10","5","9","6","10","10","1") = "9"
    & skf18("10","5","9","7","1","1","1") = "9"
    & skf18("10","5","9","7","1","2","1") = "9"
    & skf18("10","5","9","7","1","3","1") = "9"
    & skf18("10","5","9","7","1","4","1") = "9"
    & skf18("10","5","9","7","1","5","1") = "9"
    & skf18("10","5","9","7","1","6","1") = "9"
    & skf18("10","5","9","7","1","7","1") = "9"
    & skf18("10","5","9","7","1","8","1") = "9"
    & skf18("10","5","9","7","1","9","1") = "9"
    & skf18("10","5","9","7","1","10","1") = "9"
    & skf18("10","5","9","7","2","1","1") = "9"
    & skf18("10","5","9","7","2","2","1") = "9"
    & skf18("10","5","9","7","2","3","1") = "9"
    & skf18("10","5","9","7","2","4","1") = "9"
    & skf18("10","5","9","7","2","5","1") = "9"
    & skf18("10","5","9","7","2","6","1") = "9"
    & skf18("10","5","9","7","2","7","1") = "9"
    & skf18("10","5","9","7","2","8","1") = "9"
    & skf18("10","5","9","7","2","9","1") = "9"
    & skf18("10","5","9","7","2","10","1") = "9"
    & skf18("10","5","9","7","3","1","1") = "9"
    & skf18("10","5","9","7","3","2","1") = "9"
    & skf18("10","5","9","7","3","3","1") = "9"
    & skf18("10","5","9","7","3","4","1") = "9"
    & skf18("10","5","9","7","3","5","1") = "9"
    & skf18("10","5","9","7","3","6","1") = "9"
    & skf18("10","5","9","7","3","7","1") = "9"
    & skf18("10","5","9","7","3","8","1") = "9"
    & skf18("10","5","9","7","3","9","1") = "9"
    & skf18("10","5","9","7","3","10","1") = "9"
    & skf18("10","5","9","7","4","1","1") = "9"
    & skf18("10","5","9","7","4","2","1") = "9"
    & skf18("10","5","9","7","4","3","1") = "9"
    & skf18("10","5","9","7","4","4","1") = "9"
    & skf18("10","5","9","7","4","5","1") = "9"
    & skf18("10","5","9","7","4","6","1") = "9"
    & skf18("10","5","9","7","4","7","1") = "9"
    & skf18("10","5","9","7","4","8","1") = "9"
    & skf18("10","5","9","7","4","9","1") = "9"
    & skf18("10","5","9","7","4","10","1") = "9"
    & skf18("10","5","9","7","5","1","1") = "9"
    & skf18("10","5","9","7","5","2","1") = "9"
    & skf18("10","5","9","7","5","3","1") = "9"
    & skf18("10","5","9","7","5","4","1") = "9"
    & skf18("10","5","9","7","5","5","1") = "9"
    & skf18("10","5","9","7","5","6","1") = "9"
    & skf18("10","5","9","7","5","7","1") = "9"
    & skf18("10","5","9","7","5","8","1") = "9"
    & skf18("10","5","9","7","5","9","1") = "9"
    & skf18("10","5","9","7","5","10","1") = "9"
    & skf18("10","5","9","7","6","1","1") = "9"
    & skf18("10","5","9","7","6","2","1") = "9"
    & skf18("10","5","9","7","6","3","1") = "9"
    & skf18("10","5","9","7","6","4","1") = "9"
    & skf18("10","5","9","7","6","5","1") = "9"
    & skf18("10","5","9","7","6","6","1") = "9"
    & skf18("10","5","9","7","6","7","1") = "9"
    & skf18("10","5","9","7","6","8","1") = "9"
    & skf18("10","5","9","7","6","9","1") = "9"
    & skf18("10","5","9","7","6","10","1") = "9"
    & skf18("10","5","9","7","7","1","1") = "9"
    & skf18("10","5","9","7","7","2","1") = "9"
    & skf18("10","5","9","7","7","3","1") = "9"
    & skf18("10","5","9","7","7","4","1") = "9"
    & skf18("10","5","9","7","7","5","1") = "9"
    & skf18("10","5","9","7","7","6","1") = "9"
    & skf18("10","5","9","7","7","7","1") = "9"
    & skf18("10","5","9","7","7","8","1") = "9"
    & skf18("10","5","9","7","7","9","1") = "9"
    & skf18("10","5","9","7","7","10","1") = "9"
    & skf18("10","5","9","7","8","1","1") = "9"
    & skf18("10","5","9","7","8","2","1") = "9"
    & skf18("10","5","9","7","8","3","1") = "9"
    & skf18("10","5","9","7","8","4","1") = "9"
    & skf18("10","5","9","7","8","5","1") = "9"
    & skf18("10","5","9","7","8","6","1") = "9"
    & skf18("10","5","9","7","8","7","1") = "9"
    & skf18("10","5","9","7","8","8","1") = "9"
    & skf18("10","5","9","7","8","9","1") = "9"
    & skf18("10","5","9","7","8","10","1") = "9"
    & skf18("10","5","9","7","9","1","1") = "9"
    & skf18("10","5","9","7","9","2","1") = "9"
    & skf18("10","5","9","7","9","3","1") = "9"
    & skf18("10","5","9","7","9","4","1") = "9"
    & skf18("10","5","9","7","9","5","1") = "9"
    & skf18("10","5","9","7","9","6","1") = "9"
    & skf18("10","5","9","7","9","7","1") = "9"
    & skf18("10","5","9","7","9","8","1") = "9"
    & skf18("10","5","9","7","9","9","1") = "9"
    & skf18("10","5","9","7","9","10","1") = "9"
    & skf18("10","5","9","7","10","1","1") = "9"
    & skf18("10","5","9","7","10","2","1") = "9"
    & skf18("10","5","9","7","10","3","1") = "9"
    & skf18("10","5","9","7","10","4","1") = "9"
    & skf18("10","5","9","7","10","5","1") = "9"
    & skf18("10","5","9","7","10","6","1") = "9"
    & skf18("10","5","9","7","10","7","1") = "9"
    & skf18("10","5","9","7","10","8","1") = "9"
    & skf18("10","5","9","7","10","9","1") = "9"
    & skf18("10","5","9","7","10","10","1") = "9"
    & skf18("10","5","9","8","1","1","1") = "9"
    & skf18("10","5","9","8","1","2","1") = "9"
    & skf18("10","5","9","8","1","3","1") = "9"
    & skf18("10","5","9","8","1","4","1") = "9"
    & skf18("10","5","9","8","1","5","1") = "9"
    & skf18("10","5","9","8","1","6","1") = "9"
    & skf18("10","5","9","8","1","7","1") = "9"
    & skf18("10","5","9","8","1","8","1") = "9"
    & skf18("10","5","9","8","1","9","1") = "9"
    & skf18("10","5","9","8","1","10","1") = "9"
    & skf18("10","5","9","8","2","1","1") = "9"
    & skf18("10","5","9","8","2","2","1") = "9"
    & skf18("10","5","9","8","2","3","1") = "9"
    & skf18("10","5","9","8","2","4","1") = "9"
    & skf18("10","5","9","8","2","5","1") = "9"
    & skf18("10","5","9","8","2","6","1") = "9"
    & skf18("10","5","9","8","2","7","1") = "9"
    & skf18("10","5","9","8","2","8","1") = "9"
    & skf18("10","5","9","8","2","9","1") = "9"
    & skf18("10","5","9","8","2","10","1") = "9"
    & skf18("10","5","9","8","3","1","1") = "9"
    & skf18("10","5","9","8","3","2","1") = "9"
    & skf18("10","5","9","8","3","3","1") = "9"
    & skf18("10","5","9","8","3","4","1") = "9"
    & skf18("10","5","9","8","3","5","1") = "9"
    & skf18("10","5","9","8","3","6","1") = "9"
    & skf18("10","5","9","8","3","7","1") = "9"
    & skf18("10","5","9","8","3","8","1") = "9"
    & skf18("10","5","9","8","3","9","1") = "9"
    & skf18("10","5","9","8","3","10","1") = "9"
    & skf18("10","5","9","8","4","1","1") = "9"
    & skf18("10","5","9","8","4","2","1") = "9"
    & skf18("10","5","9","8","4","3","1") = "9"
    & skf18("10","5","9","8","4","4","1") = "9"
    & skf18("10","5","9","8","4","5","1") = "9"
    & skf18("10","5","9","8","4","6","1") = "9"
    & skf18("10","5","9","8","4","7","1") = "9"
    & skf18("10","5","9","8","4","8","1") = "9"
    & skf18("10","5","9","8","4","9","1") = "9"
    & skf18("10","5","9","8","4","10","1") = "9"
    & skf18("10","5","9","8","5","1","1") = "9"
    & skf18("10","5","9","8","5","2","1") = "9"
    & skf18("10","5","9","8","5","3","1") = "9"
    & skf18("10","5","9","8","5","4","1") = "9"
    & skf18("10","5","9","8","5","5","1") = "9"
    & skf18("10","5","9","8","5","6","1") = "9"
    & skf18("10","5","9","8","5","7","1") = "9"
    & skf18("10","5","9","8","5","8","1") = "9"
    & skf18("10","5","9","8","5","9","1") = "9"
    & skf18("10","5","9","8","5","10","1") = "9"
    & skf18("10","5","9","8","6","1","1") = "9"
    & skf18("10","5","9","8","6","2","1") = "9"
    & skf18("10","5","9","8","6","3","1") = "9"
    & skf18("10","5","9","8","6","4","1") = "9"
    & skf18("10","5","9","8","6","5","1") = "9"
    & skf18("10","5","9","8","6","6","1") = "9"
    & skf18("10","5","9","8","6","7","1") = "9"
    & skf18("10","5","9","8","6","8","1") = "9"
    & skf18("10","5","9","8","6","9","1") = "9"
    & skf18("10","5","9","8","6","10","1") = "9"
    & skf18("10","5","9","8","7","1","1") = "9"
    & skf18("10","5","9","8","7","2","1") = "9"
    & skf18("10","5","9","8","7","3","1") = "9"
    & skf18("10","5","9","8","7","4","1") = "9"
    & skf18("10","5","9","8","7","5","1") = "9"
    & skf18("10","5","9","8","7","6","1") = "9"
    & skf18("10","5","9","8","7","7","1") = "9"
    & skf18("10","5","9","8","7","8","1") = "9"
    & skf18("10","5","9","8","7","9","1") = "9"
    & skf18("10","5","9","8","7","10","1") = "9"
    & skf18("10","5","9","8","8","1","1") = "9"
    & skf18("10","5","9","8","8","2","1") = "9"
    & skf18("10","5","9","8","8","3","1") = "9"
    & skf18("10","5","9","8","8","4","1") = "9"
    & skf18("10","5","9","8","8","5","1") = "9"
    & skf18("10","5","9","8","8","6","1") = "9"
    & skf18("10","5","9","8","8","7","1") = "9"
    & skf18("10","5","9","8","8","8","1") = "9"
    & skf18("10","5","9","8","8","9","1") = "9"
    & skf18("10","5","9","8","8","10","1") = "9"
    & skf18("10","5","9","8","9","1","1") = "9"
    & skf18("10","5","9","8","9","2","1") = "9"
    & skf18("10","5","9","8","9","3","1") = "9"
    & skf18("10","5","9","8","9","4","1") = "9"
    & skf18("10","5","9","8","9","5","1") = "9"
    & skf18("10","5","9","8","9","6","1") = "9"
    & skf18("10","5","9","8","9","7","1") = "9"
    & skf18("10","5","9","8","9","8","1") = "9"
    & skf18("10","5","9","8","9","9","1") = "9"
    & skf18("10","5","9","8","9","10","1") = "9"
    & skf18("10","5","9","8","10","1","1") = "9"
    & skf18("10","5","9","8","10","2","1") = "9"
    & skf18("10","5","9","8","10","3","1") = "9"
    & skf18("10","5","9","8","10","4","1") = "9"
    & skf18("10","5","9","8","10","5","1") = "9"
    & skf18("10","5","9","8","10","6","1") = "9"
    & skf18("10","5","9","8","10","7","1") = "9"
    & skf18("10","5","9","8","10","8","1") = "9"
    & skf18("10","5","9","8","10","9","1") = "9"
    & skf18("10","5","9","8","10","10","1") = "9"
    & skf18("10","5","9","9","1","1","1") = "9"
    & skf18("10","5","9","9","1","2","1") = "9"
    & skf18("10","5","9","9","1","3","1") = "9"
    & skf18("10","5","9","9","1","4","1") = "9"
    & skf18("10","5","9","9","1","5","1") = "9"
    & skf18("10","5","9","9","1","6","1") = "9"
    & skf18("10","5","9","9","1","7","1") = "9"
    & skf18("10","5","9","9","1","8","1") = "9"
    & skf18("10","5","9","9","1","9","1") = "9"
    & skf18("10","5","9","9","1","10","1") = "9"
    & skf18("10","5","9","9","2","1","1") = "9"
    & skf18("10","5","9","9","2","2","1") = "9"
    & skf18("10","5","9","9","2","3","1") = "9"
    & skf18("10","5","9","9","2","4","1") = "9"
    & skf18("10","5","9","9","2","5","1") = "9"
    & skf18("10","5","9","9","2","6","1") = "9"
    & skf18("10","5","9","9","2","7","1") = "9"
    & skf18("10","5","9","9","2","8","1") = "9"
    & skf18("10","5","9","9","2","9","1") = "9"
    & skf18("10","5","9","9","2","10","1") = "9"
    & skf18("10","5","9","9","3","1","1") = "9"
    & skf18("10","5","9","9","3","2","1") = "9"
    & skf18("10","5","9","9","3","3","1") = "9"
    & skf18("10","5","9","9","3","4","1") = "9"
    & skf18("10","5","9","9","3","5","1") = "9"
    & skf18("10","5","9","9","3","6","1") = "9"
    & skf18("10","5","9","9","3","7","1") = "9"
    & skf18("10","5","9","9","3","8","1") = "9"
    & skf18("10","5","9","9","3","9","1") = "9"
    & skf18("10","5","9","9","3","10","1") = "9"
    & skf18("10","5","9","9","4","1","1") = "9"
    & skf18("10","5","9","9","4","2","1") = "9"
    & skf18("10","5","9","9","4","3","1") = "9"
    & skf18("10","5","9","9","4","4","1") = "9"
    & skf18("10","5","9","9","4","5","1") = "9"
    & skf18("10","5","9","9","4","6","1") = "9"
    & skf18("10","5","9","9","4","7","1") = "9"
    & skf18("10","5","9","9","4","8","1") = "9"
    & skf18("10","5","9","9","4","9","1") = "9"
    & skf18("10","5","9","9","4","10","1") = "9"
    & skf18("10","5","9","9","5","1","1") = "9"
    & skf18("10","5","9","9","5","2","1") = "9"
    & skf18("10","5","9","9","5","3","1") = "9"
    & skf18("10","5","9","9","5","4","1") = "9"
    & skf18("10","5","9","9","5","5","1") = "9"
    & skf18("10","5","9","9","5","6","1") = "9"
    & skf18("10","5","9","9","5","7","1") = "9"
    & skf18("10","5","9","9","5","8","1") = "9"
    & skf18("10","5","9","9","5","9","1") = "9"
    & skf18("10","5","9","9","5","10","1") = "9"
    & skf18("10","5","9","9","6","1","1") = "9"
    & skf18("10","5","9","9","6","2","1") = "9"
    & skf18("10","5","9","9","6","3","1") = "9"
    & skf18("10","5","9","9","6","4","1") = "9"
    & skf18("10","5","9","9","6","5","1") = "9"
    & skf18("10","5","9","9","6","6","1") = "9"
    & skf18("10","5","9","9","6","7","1") = "9"
    & skf18("10","5","9","9","6","8","1") = "9"
    & skf18("10","5","9","9","6","9","1") = "9"
    & skf18("10","5","9","9","6","10","1") = "9"
    & skf18("10","5","9","9","7","1","1") = "9"
    & skf18("10","5","9","9","7","2","1") = "9"
    & skf18("10","5","9","9","7","3","1") = "9"
    & skf18("10","5","9","9","7","4","1") = "9"
    & skf18("10","5","9","9","7","5","1") = "9"
    & skf18("10","5","9","9","7","6","1") = "9"
    & skf18("10","5","9","9","7","7","1") = "9"
    & skf18("10","5","9","9","7","8","1") = "9"
    & skf18("10","5","9","9","7","9","1") = "9"
    & skf18("10","5","9","9","7","10","1") = "9"
    & skf18("10","5","9","9","8","1","1") = "9"
    & skf18("10","5","9","9","8","2","1") = "9"
    & skf18("10","5","9","9","8","3","1") = "9"
    & skf18("10","5","9","9","8","4","1") = "9"
    & skf18("10","5","9","9","8","5","1") = "9"
    & skf18("10","5","9","9","8","6","1") = "9"
    & skf18("10","5","9","9","8","7","1") = "9"
    & skf18("10","5","9","9","8","8","1") = "9"
    & skf18("10","5","9","9","8","9","1") = "9"
    & skf18("10","5","9","9","8","10","1") = "9"
    & skf18("10","5","9","9","9","1","1") = "9"
    & skf18("10","5","9","9","9","2","1") = "9"
    & skf18("10","5","9","9","9","3","1") = "9"
    & skf18("10","5","9","9","9","4","1") = "9"
    & skf18("10","5","9","9","9","5","1") = "9"
    & skf18("10","5","9","9","9","6","1") = "9"
    & skf18("10","5","9","9","9","7","1") = "9"
    & skf18("10","5","9","9","9","8","1") = "9"
    & skf18("10","5","9","9","9","9","1") = "9"
    & skf18("10","5","9","9","9","10","1") = "9"
    & skf18("10","5","9","9","10","1","1") = "9"
    & skf18("10","5","9","9","10","2","1") = "9"
    & skf18("10","5","9","9","10","3","1") = "9"
    & skf18("10","5","9","9","10","4","1") = "9"
    & skf18("10","5","9","9","10","5","1") = "9"
    & skf18("10","5","9","9","10","6","1") = "9"
    & skf18("10","5","9","9","10","7","1") = "9"
    & skf18("10","5","9","9","10","8","1") = "9"
    & skf18("10","5","9","9","10","9","1") = "9"
    & skf18("10","5","9","9","10","10","1") = "9"
    & skf18("10","5","9","10","1","1","1") = "9"
    & skf18("10","5","9","10","1","2","1") = "9"
    & skf18("10","5","9","10","1","3","1") = "9"
    & skf18("10","5","9","10","1","4","1") = "9"
    & skf18("10","5","9","10","1","5","1") = "9"
    & skf18("10","5","9","10","1","6","1") = "9"
    & skf18("10","5","9","10","1","7","1") = "9"
    & skf18("10","5","9","10","1","8","1") = "9"
    & skf18("10","5","9","10","1","9","1") = "9"
    & skf18("10","5","9","10","1","10","1") = "9"
    & skf18("10","5","9","10","2","1","1") = "9"
    & skf18("10","5","9","10","2","2","1") = "9"
    & skf18("10","5","9","10","2","3","1") = "9"
    & skf18("10","5","9","10","2","4","1") = "9"
    & skf18("10","5","9","10","2","5","1") = "9"
    & skf18("10","5","9","10","2","6","1") = "9"
    & skf18("10","5","9","10","2","7","1") = "9"
    & skf18("10","5","9","10","2","8","1") = "9"
    & skf18("10","5","9","10","2","9","1") = "9"
    & skf18("10","5","9","10","2","10","1") = "9"
    & skf18("10","5","9","10","3","1","1") = "9"
    & skf18("10","5","9","10","3","2","1") = "9"
    & skf18("10","5","9","10","3","3","1") = "9"
    & skf18("10","5","9","10","3","4","1") = "9"
    & skf18("10","5","9","10","3","5","1") = "9"
    & skf18("10","5","9","10","3","6","1") = "9"
    & skf18("10","5","9","10","3","7","1") = "9"
    & skf18("10","5","9","10","3","8","1") = "9"
    & skf18("10","5","9","10","3","9","1") = "9"
    & skf18("10","5","9","10","3","10","1") = "9"
    & skf18("10","5","9","10","4","1","1") = "9"
    & skf18("10","5","9","10","4","2","1") = "9"
    & skf18("10","5","9","10","4","3","1") = "9"
    & skf18("10","5","9","10","4","4","1") = "9"
    & skf18("10","5","9","10","4","5","1") = "9"
    & skf18("10","5","9","10","4","6","1") = "9"
    & skf18("10","5","9","10","4","7","1") = "9"
    & skf18("10","5","9","10","4","8","1") = "9"
    & skf18("10","5","9","10","4","9","1") = "9"
    & skf18("10","5","9","10","4","10","1") = "9"
    & skf18("10","5","9","10","5","1","1") = "9"
    & skf18("10","5","9","10","5","2","1") = "9"
    & skf18("10","5","9","10","5","3","1") = "9"
    & skf18("10","5","9","10","5","4","1") = "9"
    & skf18("10","5","9","10","5","5","1") = "9"
    & skf18("10","5","9","10","5","6","1") = "9"
    & skf18("10","5","9","10","5","7","1") = "9"
    & skf18("10","5","9","10","5","8","1") = "9"
    & skf18("10","5","9","10","5","9","1") = "9"
    & skf18("10","5","9","10","5","10","1") = "9"
    & skf18("10","5","9","10","6","1","1") = "9"
    & skf18("10","5","9","10","6","2","1") = "9"
    & skf18("10","5","9","10","6","3","1") = "9"
    & skf18("10","5","9","10","6","4","1") = "9"
    & skf18("10","5","9","10","6","5","1") = "9"
    & skf18("10","5","9","10","6","6","1") = "9"
    & skf18("10","5","9","10","6","7","1") = "9"
    & skf18("10","5","9","10","6","8","1") = "9"
    & skf18("10","5","9","10","6","9","1") = "9"
    & skf18("10","5","9","10","6","10","1") = "9"
    & skf18("10","5","9","10","7","1","1") = "9"
    & skf18("10","5","9","10","7","2","1") = "9"
    & skf18("10","5","9","10","7","3","1") = "9"
    & skf18("10","5","9","10","7","4","1") = "9"
    & skf18("10","5","9","10","7","5","1") = "9"
    & skf18("10","5","9","10","7","6","1") = "9"
    & skf18("10","5","9","10","7","7","1") = "9"
    & skf18("10","5","9","10","7","8","1") = "9"
    & skf18("10","5","9","10","7","9","1") = "9"
    & skf18("10","5","9","10","7","10","1") = "9"
    & skf18("10","5","9","10","8","1","1") = "9"
    & skf18("10","5","9","10","8","2","1") = "9"
    & skf18("10","5","9","10","8","3","1") = "9"
    & skf18("10","5","9","10","8","4","1") = "9"
    & skf18("10","5","9","10","8","5","1") = "9"
    & skf18("10","5","9","10","8","6","1") = "9"
    & skf18("10","5","9","10","8","7","1") = "9"
    & skf18("10","5","9","10","8","8","1") = "9"
    & skf18("10","5","9","10","8","9","1") = "9"
    & skf18("10","5","9","10","8","10","1") = "9"
    & skf18("10","5","9","10","9","1","1") = "9"
    & skf18("10","5","9","10","9","2","1") = "9"
    & skf18("10","5","9","10","9","3","1") = "9"
    & skf18("10","5","9","10","9","4","1") = "9"
    & skf18("10","5","9","10","9","5","1") = "9"
    & skf18("10","5","9","10","9","6","1") = "9"
    & skf18("10","5","9","10","9","7","1") = "9"
    & skf18("10","5","9","10","9","8","1") = "9"
    & skf18("10","5","9","10","9","9","1") = "9"
    & skf18("10","5","9","10","9","10","1") = "9"
    & skf18("10","5","9","10","10","1","1") = "9"
    & skf18("10","5","9","10","10","2","1") = "9"
    & skf18("10","5","9","10","10","3","1") = "9"
    & skf18("10","5","9","10","10","4","1") = "9"
    & skf18("10","5","9","10","10","5","1") = "9"
    & skf18("10","5","9","10","10","6","1") = "9"
    & skf18("10","5","9","10","10","7","1") = "9"
    & skf18("10","5","9","10","10","8","1") = "9"
    & skf18("10","5","9","10","10","9","1") = "9"
    & skf18("10","5","9","10","10","10","1") = "9"
    & skf18("10","5","10","1","1","1","1") = "9"
    & skf18("10","5","10","1","1","2","1") = "9"
    & skf18("10","5","10","1","1","3","1") = "9"
    & skf18("10","5","10","1","1","4","1") = "9"
    & skf18("10","5","10","1","1","5","1") = "9"
    & skf18("10","5","10","1","1","6","1") = "9"
    & skf18("10","5","10","1","1","7","1") = "9"
    & skf18("10","5","10","1","1","8","1") = "9"
    & skf18("10","5","10","1","1","9","1") = "9"
    & skf18("10","5","10","1","1","10","1") = "9"
    & skf18("10","5","10","1","2","1","1") = "9"
    & skf18("10","5","10","1","2","2","1") = "9"
    & skf18("10","5","10","1","2","3","1") = "9"
    & skf18("10","5","10","1","2","4","1") = "9"
    & skf18("10","5","10","1","2","5","1") = "9"
    & skf18("10","5","10","1","2","6","1") = "9"
    & skf18("10","5","10","1","2","7","1") = "9"
    & skf18("10","5","10","1","2","8","1") = "9"
    & skf18("10","5","10","1","2","9","1") = "9"
    & skf18("10","5","10","1","2","10","1") = "9"
    & skf18("10","5","10","1","3","1","1") = "9"
    & skf18("10","5","10","1","3","2","1") = "9"
    & skf18("10","5","10","1","3","3","1") = "9"
    & skf18("10","5","10","1","3","4","1") = "9"
    & skf18("10","5","10","1","3","5","1") = "9"
    & skf18("10","5","10","1","3","6","1") = "9"
    & skf18("10","5","10","1","3","7","1") = "9"
    & skf18("10","5","10","1","3","8","1") = "9"
    & skf18("10","5","10","1","3","9","1") = "9"
    & skf18("10","5","10","1","3","10","1") = "9"
    & skf18("10","5","10","1","4","1","1") = "9"
    & skf18("10","5","10","1","4","2","1") = "9"
    & skf18("10","5","10","1","4","3","1") = "9"
    & skf18("10","5","10","1","4","4","1") = "9"
    & skf18("10","5","10","1","4","5","1") = "9"
    & skf18("10","5","10","1","4","6","1") = "9"
    & skf18("10","5","10","1","4","7","1") = "9"
    & skf18("10","5","10","1","4","8","1") = "9"
    & skf18("10","5","10","1","4","9","1") = "9"
    & skf18("10","5","10","1","4","10","1") = "9"
    & skf18("10","5","10","1","5","1","1") = "9"
    & skf18("10","5","10","1","5","2","1") = "9"
    & skf18("10","5","10","1","5","3","1") = "9"
    & skf18("10","5","10","1","5","4","1") = "9"
    & skf18("10","5","10","1","5","5","1") = "9"
    & skf18("10","5","10","1","5","6","1") = "9"
    & skf18("10","5","10","1","5","7","1") = "9"
    & skf18("10","5","10","1","5","8","1") = "9"
    & skf18("10","5","10","1","5","9","1") = "9"
    & skf18("10","5","10","1","5","10","1") = "9"
    & skf18("10","5","10","1","6","1","1") = "9"
    & skf18("10","5","10","1","6","2","1") = "9"
    & skf18("10","5","10","1","6","3","1") = "9"
    & skf18("10","5","10","1","6","4","1") = "9"
    & skf18("10","5","10","1","6","5","1") = "9"
    & skf18("10","5","10","1","6","6","1") = "9"
    & skf18("10","5","10","1","6","7","1") = "9"
    & skf18("10","5","10","1","6","8","1") = "9"
    & skf18("10","5","10","1","6","9","1") = "9"
    & skf18("10","5","10","1","6","10","1") = "9"
    & skf18("10","5","10","1","7","1","1") = "9"
    & skf18("10","5","10","1","7","2","1") = "9"
    & skf18("10","5","10","1","7","3","1") = "9"
    & skf18("10","5","10","1","7","4","1") = "9"
    & skf18("10","5","10","1","7","5","1") = "9"
    & skf18("10","5","10","1","7","6","1") = "9"
    & skf18("10","5","10","1","7","7","1") = "9"
    & skf18("10","5","10","1","7","8","1") = "9"
    & skf18("10","5","10","1","7","9","1") = "9"
    & skf18("10","5","10","1","7","10","1") = "9"
    & skf18("10","5","10","1","8","1","1") = "9"
    & skf18("10","5","10","1","8","2","1") = "9"
    & skf18("10","5","10","1","8","3","1") = "9"
    & skf18("10","5","10","1","8","4","1") = "9"
    & skf18("10","5","10","1","8","5","1") = "9"
    & skf18("10","5","10","1","8","6","1") = "9"
    & skf18("10","5","10","1","8","7","1") = "9"
    & skf18("10","5","10","1","8","8","1") = "9"
    & skf18("10","5","10","1","8","9","1") = "9"
    & skf18("10","5","10","1","8","10","1") = "9"
    & skf18("10","5","10","1","9","1","1") = "9"
    & skf18("10","5","10","1","9","2","1") = "9"
    & skf18("10","5","10","1","9","3","1") = "9"
    & skf18("10","5","10","1","9","4","1") = "9"
    & skf18("10","5","10","1","9","5","1") = "9"
    & skf18("10","5","10","1","9","6","1") = "9"
    & skf18("10","5","10","1","9","7","1") = "9"
    & skf18("10","5","10","1","9","8","1") = "9"
    & skf18("10","5","10","1","9","9","1") = "9"
    & skf18("10","5","10","1","9","10","1") = "9"
    & skf18("10","5","10","1","10","1","1") = "9"
    & skf18("10","5","10","1","10","2","1") = "9"
    & skf18("10","5","10","1","10","3","1") = "9"
    & skf18("10","5","10","1","10","4","1") = "9"
    & skf18("10","5","10","1","10","5","1") = "9"
    & skf18("10","5","10","1","10","6","1") = "9"
    & skf18("10","5","10","1","10","7","1") = "9"
    & skf18("10","5","10","1","10","8","1") = "9"
    & skf18("10","5","10","1","10","9","1") = "9"
    & skf18("10","5","10","1","10","10","1") = "9"
    & skf18("10","5","10","2","1","1","1") = "9"
    & skf18("10","5","10","2","1","2","1") = "9"
    & skf18("10","5","10","2","1","3","1") = "9"
    & skf18("10","5","10","2","1","4","1") = "9"
    & skf18("10","5","10","2","1","5","1") = "9"
    & skf18("10","5","10","2","1","6","1") = "9"
    & skf18("10","5","10","2","1","7","1") = "9"
    & skf18("10","5","10","2","1","8","1") = "9"
    & skf18("10","5","10","2","1","9","1") = "9"
    & skf18("10","5","10","2","1","10","1") = "9"
    & skf18("10","5","10","2","2","1","1") = "9"
    & skf18("10","5","10","2","2","2","1") = "9"
    & skf18("10","5","10","2","2","3","1") = "9"
    & skf18("10","5","10","2","2","4","1") = "9"
    & skf18("10","5","10","2","2","5","1") = "9"
    & skf18("10","5","10","2","2","6","1") = "9"
    & skf18("10","5","10","2","2","7","1") = "9"
    & skf18("10","5","10","2","2","8","1") = "9"
    & skf18("10","5","10","2","2","9","1") = "9"
    & skf18("10","5","10","2","2","10","1") = "9"
    & skf18("10","5","10","2","3","1","1") = "9"
    & skf18("10","5","10","2","3","2","1") = "9"
    & skf18("10","5","10","2","3","3","1") = "9"
    & skf18("10","5","10","2","3","4","1") = "9"
    & skf18("10","5","10","2","3","5","1") = "9"
    & skf18("10","5","10","2","3","6","1") = "9"
    & skf18("10","5","10","2","3","7","1") = "9"
    & skf18("10","5","10","2","3","8","1") = "9"
    & skf18("10","5","10","2","3","9","1") = "9"
    & skf18("10","5","10","2","3","10","1") = "9"
    & skf18("10","5","10","2","4","1","1") = "9"
    & skf18("10","5","10","2","4","2","1") = "9"
    & skf18("10","5","10","2","4","3","1") = "9"
    & skf18("10","5","10","2","4","4","1") = "9"
    & skf18("10","5","10","2","4","5","1") = "9"
    & skf18("10","5","10","2","4","6","1") = "9"
    & skf18("10","5","10","2","4","7","1") = "9"
    & skf18("10","5","10","2","4","8","1") = "9"
    & skf18("10","5","10","2","4","9","1") = "9"
    & skf18("10","5","10","2","4","10","1") = "9"
    & skf18("10","5","10","2","5","1","1") = "9"
    & skf18("10","5","10","2","5","2","1") = "9"
    & skf18("10","5","10","2","5","3","1") = "9"
    & skf18("10","5","10","2","5","4","1") = "9"
    & skf18("10","5","10","2","5","5","1") = "9"
    & skf18("10","5","10","2","5","6","1") = "9"
    & skf18("10","5","10","2","5","7","1") = "9"
    & skf18("10","5","10","2","5","8","1") = "9"
    & skf18("10","5","10","2","5","9","1") = "9"
    & skf18("10","5","10","2","5","10","1") = "9"
    & skf18("10","5","10","2","6","1","1") = "9"
    & skf18("10","5","10","2","6","2","1") = "9"
    & skf18("10","5","10","2","6","3","1") = "9"
    & skf18("10","5","10","2","6","4","1") = "9"
    & skf18("10","5","10","2","6","5","1") = "9"
    & skf18("10","5","10","2","6","6","1") = "9"
    & skf18("10","5","10","2","6","7","1") = "9"
    & skf18("10","5","10","2","6","8","1") = "9"
    & skf18("10","5","10","2","6","9","1") = "9"
    & skf18("10","5","10","2","6","10","1") = "9"
    & skf18("10","5","10","2","7","1","1") = "9"
    & skf18("10","5","10","2","7","2","1") = "9"
    & skf18("10","5","10","2","7","3","1") = "9"
    & skf18("10","5","10","2","7","4","1") = "9"
    & skf18("10","5","10","2","7","5","1") = "9"
    & skf18("10","5","10","2","7","6","1") = "9"
    & skf18("10","5","10","2","7","7","1") = "9"
    & skf18("10","5","10","2","7","8","1") = "9"
    & skf18("10","5","10","2","7","9","1") = "9"
    & skf18("10","5","10","2","7","10","1") = "9"
    & skf18("10","5","10","2","8","1","1") = "9"
    & skf18("10","5","10","2","8","2","1") = "9"
    & skf18("10","5","10","2","8","3","1") = "9"
    & skf18("10","5","10","2","8","4","1") = "9"
    & skf18("10","5","10","2","8","5","1") = "9"
    & skf18("10","5","10","2","8","6","1") = "9"
    & skf18("10","5","10","2","8","7","1") = "9"
    & skf18("10","5","10","2","8","8","1") = "9"
    & skf18("10","5","10","2","8","9","1") = "9"
    & skf18("10","5","10","2","8","10","1") = "9"
    & skf18("10","5","10","2","9","1","1") = "9"
    & skf18("10","5","10","2","9","2","1") = "9"
    & skf18("10","5","10","2","9","3","1") = "9"
    & skf18("10","5","10","2","9","4","1") = "9"
    & skf18("10","5","10","2","9","5","1") = "9"
    & skf18("10","5","10","2","9","6","1") = "9"
    & skf18("10","5","10","2","9","7","1") = "9"
    & skf18("10","5","10","2","9","8","1") = "9"
    & skf18("10","5","10","2","9","9","1") = "9"
    & skf18("10","5","10","2","9","10","1") = "9"
    & skf18("10","5","10","2","10","1","1") = "9"
    & skf18("10","5","10","2","10","2","1") = "9"
    & skf18("10","5","10","2","10","3","1") = "9"
    & skf18("10","5","10","2","10","4","1") = "9"
    & skf18("10","5","10","2","10","5","1") = "9"
    & skf18("10","5","10","2","10","6","1") = "9"
    & skf18("10","5","10","2","10","7","1") = "9"
    & skf18("10","5","10","2","10","8","1") = "9"
    & skf18("10","5","10","2","10","9","1") = "9"
    & skf18("10","5","10","2","10","10","1") = "9"
    & skf18("10","5","10","3","1","1","1") = "9"
    & skf18("10","5","10","3","1","2","1") = "9"
    & skf18("10","5","10","3","1","3","1") = "9"
    & skf18("10","5","10","3","1","4","1") = "9"
    & skf18("10","5","10","3","1","5","1") = "9"
    & skf18("10","5","10","3","1","6","1") = "9"
    & skf18("10","5","10","3","1","7","1") = "9"
    & skf18("10","5","10","3","1","8","1") = "9"
    & skf18("10","5","10","3","1","9","1") = "9"
    & skf18("10","5","10","3","1","10","1") = "9"
    & skf18("10","5","10","3","2","1","1") = "9"
    & skf18("10","5","10","3","2","2","1") = "9"
    & skf18("10","5","10","3","2","3","1") = "9"
    & skf18("10","5","10","3","2","4","1") = "9"
    & skf18("10","5","10","3","2","5","1") = "9"
    & skf18("10","5","10","3","2","6","1") = "9"
    & skf18("10","5","10","3","2","7","1") = "9"
    & skf18("10","5","10","3","2","8","1") = "9"
    & skf18("10","5","10","3","2","9","1") = "9"
    & skf18("10","5","10","3","2","10","1") = "9"
    & skf18("10","5","10","3","3","1","1") = "9"
    & skf18("10","5","10","3","3","2","1") = "9"
    & skf18("10","5","10","3","3","3","1") = "9"
    & skf18("10","5","10","3","3","4","1") = "9"
    & skf18("10","5","10","3","3","5","1") = "9"
    & skf18("10","5","10","3","3","6","1") = "9"
    & skf18("10","5","10","3","3","7","1") = "9"
    & skf18("10","5","10","3","3","8","1") = "9"
    & skf18("10","5","10","3","3","9","1") = "9"
    & skf18("10","5","10","3","3","10","1") = "9"
    & skf18("10","5","10","3","4","1","1") = "9"
    & skf18("10","5","10","3","4","2","1") = "9"
    & skf18("10","5","10","3","4","3","1") = "9"
    & skf18("10","5","10","3","4","4","1") = "9"
    & skf18("10","5","10","3","4","5","1") = "9"
    & skf18("10","5","10","3","4","6","1") = "9"
    & skf18("10","5","10","3","4","7","1") = "9"
    & skf18("10","5","10","3","4","8","1") = "9"
    & skf18("10","5","10","3","4","9","1") = "9"
    & skf18("10","5","10","3","4","10","1") = "9"
    & skf18("10","5","10","3","5","1","1") = "9"
    & skf18("10","5","10","3","5","2","1") = "9"
    & skf18("10","5","10","3","5","3","1") = "9"
    & skf18("10","5","10","3","5","4","1") = "9"
    & skf18("10","5","10","3","5","5","1") = "9"
    & skf18("10","5","10","3","5","6","1") = "9"
    & skf18("10","5","10","3","5","7","1") = "9"
    & skf18("10","5","10","3","5","8","1") = "9"
    & skf18("10","5","10","3","5","9","1") = "9"
    & skf18("10","5","10","3","5","10","1") = "9"
    & skf18("10","5","10","3","6","1","1") = "9"
    & skf18("10","5","10","3","6","2","1") = "9"
    & skf18("10","5","10","3","6","3","1") = "9"
    & skf18("10","5","10","3","6","4","1") = "9"
    & skf18("10","5","10","3","6","5","1") = "9"
    & skf18("10","5","10","3","6","6","1") = "9"
    & skf18("10","5","10","3","6","7","1") = "9"
    & skf18("10","5","10","3","6","8","1") = "9"
    & skf18("10","5","10","3","6","9","1") = "9"
    & skf18("10","5","10","3","6","10","1") = "9"
    & skf18("10","5","10","3","7","1","1") = "9"
    & skf18("10","5","10","3","7","2","1") = "9"
    & skf18("10","5","10","3","7","3","1") = "9"
    & skf18("10","5","10","3","7","4","1") = "9"
    & skf18("10","5","10","3","7","5","1") = "9"
    & skf18("10","5","10","3","7","6","1") = "9"
    & skf18("10","5","10","3","7","7","1") = "9"
    & skf18("10","5","10","3","7","8","1") = "9"
    & skf18("10","5","10","3","7","9","1") = "9"
    & skf18("10","5","10","3","7","10","1") = "9"
    & skf18("10","5","10","3","8","1","1") = "9"
    & skf18("10","5","10","3","8","2","1") = "9"
    & skf18("10","5","10","3","8","3","1") = "9"
    & skf18("10","5","10","3","8","4","1") = "9"
    & skf18("10","5","10","3","8","5","1") = "9"
    & skf18("10","5","10","3","8","6","1") = "9"
    & skf18("10","5","10","3","8","7","1") = "9"
    & skf18("10","5","10","3","8","8","1") = "9"
    & skf18("10","5","10","3","8","9","1") = "9"
    & skf18("10","5","10","3","8","10","1") = "9"
    & skf18("10","5","10","3","9","1","1") = "9"
    & skf18("10","5","10","3","9","2","1") = "9"
    & skf18("10","5","10","3","9","3","1") = "9"
    & skf18("10","5","10","3","9","4","1") = "9"
    & skf18("10","5","10","3","9","5","1") = "9"
    & skf18("10","5","10","3","9","6","1") = "9"
    & skf18("10","5","10","3","9","7","1") = "9"
    & skf18("10","5","10","3","9","8","1") = "9"
    & skf18("10","5","10","3","9","9","1") = "9"
    & skf18("10","5","10","3","9","10","1") = "9"
    & skf18("10","5","10","3","10","1","1") = "9"
    & skf18("10","5","10","3","10","2","1") = "9"
    & skf18("10","5","10","3","10","3","1") = "9"
    & skf18("10","5","10","3","10","4","1") = "9"
    & skf18("10","5","10","3","10","5","1") = "9"
    & skf18("10","5","10","3","10","6","1") = "9"
    & skf18("10","5","10","3","10","7","1") = "9"
    & skf18("10","5","10","3","10","8","1") = "9"
    & skf18("10","5","10","3","10","9","1") = "9"
    & skf18("10","5","10","3","10","10","1") = "9"
    & skf18("10","5","10","4","1","1","1") = "9"
    & skf18("10","5","10","4","1","2","1") = "9"
    & skf18("10","5","10","4","1","3","1") = "9"
    & skf18("10","5","10","4","1","4","1") = "9"
    & skf18("10","5","10","4","1","5","1") = "9"
    & skf18("10","5","10","4","1","6","1") = "9"
    & skf18("10","5","10","4","1","7","1") = "9"
    & skf18("10","5","10","4","1","8","1") = "9"
    & skf18("10","5","10","4","1","9","1") = "9"
    & skf18("10","5","10","4","1","10","1") = "9"
    & skf18("10","5","10","4","2","1","1") = "9"
    & skf18("10","5","10","4","2","2","1") = "9"
    & skf18("10","5","10","4","2","3","1") = "9"
    & skf18("10","5","10","4","2","4","1") = "9"
    & skf18("10","5","10","4","2","5","1") = "9"
    & skf18("10","5","10","4","2","6","1") = "9"
    & skf18("10","5","10","4","2","7","1") = "9"
    & skf18("10","5","10","4","2","8","1") = "9"
    & skf18("10","5","10","4","2","9","1") = "9"
    & skf18("10","5","10","4","2","10","1") = "9"
    & skf18("10","5","10","4","3","1","1") = "9"
    & skf18("10","5","10","4","3","2","1") = "9"
    & skf18("10","5","10","4","3","3","1") = "9"
    & skf18("10","5","10","4","3","4","1") = "9"
    & skf18("10","5","10","4","3","5","1") = "9"
    & skf18("10","5","10","4","3","6","1") = "9"
    & skf18("10","5","10","4","3","7","1") = "9"
    & skf18("10","5","10","4","3","8","1") = "9"
    & skf18("10","5","10","4","3","9","1") = "9"
    & skf18("10","5","10","4","3","10","1") = "9"
    & skf18("10","5","10","4","4","1","1") = "9"
    & skf18("10","5","10","4","4","2","1") = "9"
    & skf18("10","5","10","4","4","3","1") = "9"
    & skf18("10","5","10","4","4","4","1") = "9"
    & skf18("10","5","10","4","4","5","1") = "9"
    & skf18("10","5","10","4","4","6","1") = "9"
    & skf18("10","5","10","4","4","7","1") = "9"
    & skf18("10","5","10","4","4","8","1") = "9"
    & skf18("10","5","10","4","4","9","1") = "9"
    & skf18("10","5","10","4","4","10","1") = "9"
    & skf18("10","5","10","4","5","1","1") = "9"
    & skf18("10","5","10","4","5","2","1") = "9"
    & skf18("10","5","10","4","5","3","1") = "9"
    & skf18("10","5","10","4","5","4","1") = "9"
    & skf18("10","5","10","4","5","5","1") = "9"
    & skf18("10","5","10","4","5","6","1") = "9"
    & skf18("10","5","10","4","5","7","1") = "9"
    & skf18("10","5","10","4","5","8","1") = "9"
    & skf18("10","5","10","4","5","9","1") = "9"
    & skf18("10","5","10","4","5","10","1") = "9"
    & skf18("10","5","10","4","6","1","1") = "9"
    & skf18("10","5","10","4","6","2","1") = "9"
    & skf18("10","5","10","4","6","3","1") = "9"
    & skf18("10","5","10","4","6","4","1") = "9"
    & skf18("10","5","10","4","6","5","1") = "9"
    & skf18("10","5","10","4","6","6","1") = "9"
    & skf18("10","5","10","4","6","7","1") = "9"
    & skf18("10","5","10","4","6","8","1") = "9"
    & skf18("10","5","10","4","6","9","1") = "9"
    & skf18("10","5","10","4","6","10","1") = "9"
    & skf18("10","5","10","4","7","1","1") = "9"
    & skf18("10","5","10","4","7","2","1") = "9"
    & skf18("10","5","10","4","7","3","1") = "9"
    & skf18("10","5","10","4","7","4","1") = "9"
    & skf18("10","5","10","4","7","5","1") = "9"
    & skf18("10","5","10","4","7","6","1") = "9"
    & skf18("10","5","10","4","7","7","1") = "9"
    & skf18("10","5","10","4","7","8","1") = "9"
    & skf18("10","5","10","4","7","9","1") = "9"
    & skf18("10","5","10","4","7","10","1") = "9"
    & skf18("10","5","10","4","8","1","1") = "9"
    & skf18("10","5","10","4","8","2","1") = "9"
    & skf18("10","5","10","4","8","3","1") = "9"
    & skf18("10","5","10","4","8","4","1") = "9"
    & skf18("10","5","10","4","8","5","1") = "9"
    & skf18("10","5","10","4","8","6","1") = "9"
    & skf18("10","5","10","4","8","7","1") = "9"
    & skf18("10","5","10","4","8","8","1") = "9"
    & skf18("10","5","10","4","8","9","1") = "9"
    & skf18("10","5","10","4","8","10","1") = "9"
    & skf18("10","5","10","4","9","1","1") = "9"
    & skf18("10","5","10","4","9","2","1") = "9"
    & skf18("10","5","10","4","9","3","1") = "9"
    & skf18("10","5","10","4","9","4","1") = "9"
    & skf18("10","5","10","4","9","5","1") = "9"
    & skf18("10","5","10","4","9","6","1") = "9"
    & skf18("10","5","10","4","9","7","1") = "9"
    & skf18("10","5","10","4","9","8","1") = "9"
    & skf18("10","5","10","4","9","9","1") = "9"
    & skf18("10","5","10","4","9","10","1") = "9"
    & skf18("10","5","10","4","10","1","1") = "9"
    & skf18("10","5","10","4","10","2","1") = "9"
    & skf18("10","5","10","4","10","3","1") = "9"
    & skf18("10","5","10","4","10","4","1") = "9"
    & skf18("10","5","10","4","10","5","1") = "9"
    & skf18("10","5","10","4","10","6","1") = "9"
    & skf18("10","5","10","4","10","7","1") = "9"
    & skf18("10","5","10","4","10","8","1") = "9"
    & skf18("10","5","10","4","10","9","1") = "9"
    & skf18("10","5","10","4","10","10","1") = "9"
    & skf18("10","5","10","5","1","1","1") = "9"
    & skf18("10","5","10","5","1","2","1") = "9"
    & skf18("10","5","10","5","1","3","1") = "9"
    & skf18("10","5","10","5","1","4","1") = "9"
    & skf18("10","5","10","5","1","5","1") = "9"
    & skf18("10","5","10","5","1","6","1") = "9"
    & skf18("10","5","10","5","1","7","1") = "9"
    & skf18("10","5","10","5","1","8","1") = "9"
    & skf18("10","5","10","5","1","9","1") = "9"
    & skf18("10","5","10","5","1","10","1") = "9"
    & skf18("10","5","10","5","2","1","1") = "9"
    & skf18("10","5","10","5","2","2","1") = "9"
    & skf18("10","5","10","5","2","3","1") = "9"
    & skf18("10","5","10","5","2","4","1") = "9"
    & skf18("10","5","10","5","2","5","1") = "9"
    & skf18("10","5","10","5","2","6","1") = "9"
    & skf18("10","5","10","5","2","7","1") = "9"
    & skf18("10","5","10","5","2","8","1") = "9"
    & skf18("10","5","10","5","2","9","1") = "9"
    & skf18("10","5","10","5","2","10","1") = "9"
    & skf18("10","5","10","5","3","1","1") = "9"
    & skf18("10","5","10","5","3","2","1") = "9"
    & skf18("10","5","10","5","3","3","1") = "9"
    & skf18("10","5","10","5","3","4","1") = "9"
    & skf18("10","5","10","5","3","5","1") = "9"
    & skf18("10","5","10","5","3","6","1") = "9"
    & skf18("10","5","10","5","3","7","1") = "9"
    & skf18("10","5","10","5","3","8","1") = "9"
    & skf18("10","5","10","5","3","9","1") = "9"
    & skf18("10","5","10","5","3","10","1") = "9"
    & skf18("10","5","10","5","4","1","1") = "9"
    & skf18("10","5","10","5","4","2","1") = "9"
    & skf18("10","5","10","5","4","3","1") = "9"
    & skf18("10","5","10","5","4","4","1") = "9"
    & skf18("10","5","10","5","4","5","1") = "9"
    & skf18("10","5","10","5","4","6","1") = "9"
    & skf18("10","5","10","5","4","7","1") = "9"
    & skf18("10","5","10","5","4","8","1") = "9"
    & skf18("10","5","10","5","4","9","1") = "9"
    & skf18("10","5","10","5","4","10","1") = "9"
    & skf18("10","5","10","5","5","1","1") = "9"
    & skf18("10","5","10","5","5","2","1") = "9"
    & skf18("10","5","10","5","5","3","1") = "9"
    & skf18("10","5","10","5","5","4","1") = "9"
    & skf18("10","5","10","5","5","5","1") = "9"
    & skf18("10","5","10","5","5","6","1") = "9"
    & skf18("10","5","10","5","5","7","1") = "9"
    & skf18("10","5","10","5","5","8","1") = "9"
    & skf18("10","5","10","5","5","9","1") = "9"
    & skf18("10","5","10","5","5","10","1") = "9"
    & skf18("10","5","10","5","6","1","1") = "9"
    & skf18("10","5","10","5","6","2","1") = "9"
    & skf18("10","5","10","5","6","3","1") = "9"
    & skf18("10","5","10","5","6","4","1") = "9"
    & skf18("10","5","10","5","6","5","1") = "9"
    & skf18("10","5","10","5","6","6","1") = "9"
    & skf18("10","5","10","5","6","7","1") = "9"
    & skf18("10","5","10","5","6","8","1") = "9"
    & skf18("10","5","10","5","6","9","1") = "9"
    & skf18("10","5","10","5","6","10","1") = "9"
    & skf18("10","5","10","5","7","1","1") = "9"
    & skf18("10","5","10","5","7","2","1") = "9"
    & skf18("10","5","10","5","7","3","1") = "9"
    & skf18("10","5","10","5","7","4","1") = "9"
    & skf18("10","5","10","5","7","5","1") = "9"
    & skf18("10","5","10","5","7","6","1") = "9"
    & skf18("10","5","10","5","7","7","1") = "9"
    & skf18("10","5","10","5","7","8","1") = "9"
    & skf18("10","5","10","5","7","9","1") = "9"
    & skf18("10","5","10","5","7","10","1") = "9"
    & skf18("10","5","10","5","8","1","1") = "9"
    & skf18("10","5","10","5","8","2","1") = "9"
    & skf18("10","5","10","5","8","3","1") = "9"
    & skf18("10","5","10","5","8","4","1") = "9"
    & skf18("10","5","10","5","8","5","1") = "9"
    & skf18("10","5","10","5","8","6","1") = "9"
    & skf18("10","5","10","5","8","7","1") = "9"
    & skf18("10","5","10","5","8","8","1") = "9"
    & skf18("10","5","10","5","8","9","1") = "9"
    & skf18("10","5","10","5","8","10","1") = "9"
    & skf18("10","5","10","5","9","1","1") = "9"
    & skf18("10","5","10","5","9","2","1") = "9"
    & skf18("10","5","10","5","9","3","1") = "9"
    & skf18("10","5","10","5","9","4","1") = "9"
    & skf18("10","5","10","5","9","5","1") = "9"
    & skf18("10","5","10","5","9","6","1") = "9"
    & skf18("10","5","10","5","9","7","1") = "9"
    & skf18("10","5","10","5","9","8","1") = "9"
    & skf18("10","5","10","5","9","9","1") = "9"
    & skf18("10","5","10","5","9","10","1") = "9"
    & skf18("10","5","10","5","10","1","1") = "9"
    & skf18("10","5","10","5","10","2","1") = "9"
    & skf18("10","5","10","5","10","3","1") = "9"
    & skf18("10","5","10","5","10","4","1") = "9"
    & skf18("10","5","10","5","10","5","1") = "9"
    & skf18("10","5","10","5","10","6","1") = "9"
    & skf18("10","5","10","5","10","7","1") = "9"
    & skf18("10","5","10","5","10","8","1") = "9"
    & skf18("10","5","10","5","10","9","1") = "9"
    & skf18("10","5","10","5","10","10","1") = "9"
    & skf18("10","5","10","6","1","1","1") = "9"
    & skf18("10","5","10","6","1","2","1") = "9"
    & skf18("10","5","10","6","1","3","1") = "9"
    & skf18("10","5","10","6","1","4","1") = "9"
    & skf18("10","5","10","6","1","5","1") = "9"
    & skf18("10","5","10","6","1","6","1") = "9"
    & skf18("10","5","10","6","1","7","1") = "9"
    & skf18("10","5","10","6","1","8","1") = "9"
    & skf18("10","5","10","6","1","9","1") = "9"
    & skf18("10","5","10","6","1","10","1") = "9"
    & skf18("10","5","10","6","2","1","1") = "9"
    & skf18("10","5","10","6","2","2","1") = "9"
    & skf18("10","5","10","6","2","3","1") = "9"
    & skf18("10","5","10","6","2","4","1") = "9"
    & skf18("10","5","10","6","2","5","1") = "9"
    & skf18("10","5","10","6","2","6","1") = "9"
    & skf18("10","5","10","6","2","7","1") = "9"
    & skf18("10","5","10","6","2","8","1") = "9"
    & skf18("10","5","10","6","2","9","1") = "9"
    & skf18("10","5","10","6","2","10","1") = "9"
    & skf18("10","5","10","6","3","1","1") = "9"
    & skf18("10","5","10","6","3","2","1") = "9"
    & skf18("10","5","10","6","3","3","1") = "9"
    & skf18("10","5","10","6","3","4","1") = "9"
    & skf18("10","5","10","6","3","5","1") = "9"
    & skf18("10","5","10","6","3","6","1") = "9"
    & skf18("10","5","10","6","3","7","1") = "9"
    & skf18("10","5","10","6","3","8","1") = "9"
    & skf18("10","5","10","6","3","9","1") = "9"
    & skf18("10","5","10","6","3","10","1") = "9"
    & skf18("10","5","10","6","4","1","1") = "9"
    & skf18("10","5","10","6","4","2","1") = "9"
    & skf18("10","5","10","6","4","3","1") = "9"
    & skf18("10","5","10","6","4","4","1") = "9"
    & skf18("10","5","10","6","4","5","1") = "9"
    & skf18("10","5","10","6","4","6","1") = "9"
    & skf18("10","5","10","6","4","7","1") = "9"
    & skf18("10","5","10","6","4","8","1") = "9"
    & skf18("10","5","10","6","4","9","1") = "9"
    & skf18("10","5","10","6","4","10","1") = "9"
    & skf18("10","5","10","6","5","1","1") = "9"
    & skf18("10","5","10","6","5","2","1") = "9"
    & skf18("10","5","10","6","5","3","1") = "9"
    & skf18("10","5","10","6","5","4","1") = "9"
    & skf18("10","5","10","6","5","5","1") = "9"
    & skf18("10","5","10","6","5","6","1") = "9"
    & skf18("10","5","10","6","5","7","1") = "9"
    & skf18("10","5","10","6","5","8","1") = "9"
    & skf18("10","5","10","6","5","9","1") = "9"
    & skf18("10","5","10","6","5","10","1") = "9"
    & skf18("10","5","10","6","6","1","1") = "9"
    & skf18("10","5","10","6","6","2","1") = "9"
    & skf18("10","5","10","6","6","3","1") = "9"
    & skf18("10","5","10","6","6","4","1") = "9"
    & skf18("10","5","10","6","6","5","1") = "9"
    & skf18("10","5","10","6","6","6","1") = "9"
    & skf18("10","5","10","6","6","7","1") = "9"
    & skf18("10","5","10","6","6","8","1") = "9"
    & skf18("10","5","10","6","6","9","1") = "9"
    & skf18("10","5","10","6","6","10","1") = "9"
    & skf18("10","5","10","6","7","1","1") = "9"
    & skf18("10","5","10","6","7","2","1") = "9"
    & skf18("10","5","10","6","7","3","1") = "9"
    & skf18("10","5","10","6","7","4","1") = "9"
    & skf18("10","5","10","6","7","5","1") = "9"
    & skf18("10","5","10","6","7","6","1") = "9"
    & skf18("10","5","10","6","7","7","1") = "9"
    & skf18("10","5","10","6","7","8","1") = "9"
    & skf18("10","5","10","6","7","9","1") = "9"
    & skf18("10","5","10","6","7","10","1") = "9"
    & skf18("10","5","10","6","8","1","1") = "9"
    & skf18("10","5","10","6","8","2","1") = "9"
    & skf18("10","5","10","6","8","3","1") = "9"
    & skf18("10","5","10","6","8","4","1") = "9"
    & skf18("10","5","10","6","8","5","1") = "9"
    & skf18("10","5","10","6","8","6","1") = "9"
    & skf18("10","5","10","6","8","7","1") = "9"
    & skf18("10","5","10","6","8","8","1") = "9"
    & skf18("10","5","10","6","8","9","1") = "9"
    & skf18("10","5","10","6","8","10","1") = "9"
    & skf18("10","5","10","6","9","1","1") = "9"
    & skf18("10","5","10","6","9","2","1") = "9"
    & skf18("10","5","10","6","9","3","1") = "9"
    & skf18("10","5","10","6","9","4","1") = "9"
    & skf18("10","5","10","6","9","5","1") = "9"
    & skf18("10","5","10","6","9","6","1") = "9"
    & skf18("10","5","10","6","9","7","1") = "9"
    & skf18("10","5","10","6","9","8","1") = "9"
    & skf18("10","5","10","6","9","9","1") = "9"
    & skf18("10","5","10","6","9","10","1") = "9"
    & skf18("10","5","10","6","10","1","1") = "9"
    & skf18("10","5","10","6","10","2","1") = "9"
    & skf18("10","5","10","6","10","3","1") = "9"
    & skf18("10","5","10","6","10","4","1") = "9"
    & skf18("10","5","10","6","10","5","1") = "9"
    & skf18("10","5","10","6","10","6","1") = "9"
    & skf18("10","5","10","6","10","7","1") = "9"
    & skf18("10","5","10","6","10","8","1") = "9"
    & skf18("10","5","10","6","10","9","1") = "9"
    & skf18("10","5","10","6","10","10","1") = "9"
    & skf18("10","5","10","7","1","1","1") = "9"
    & skf18("10","5","10","7","1","2","1") = "9"
    & skf18("10","5","10","7","1","3","1") = "9"
    & skf18("10","5","10","7","1","4","1") = "9"
    & skf18("10","5","10","7","1","5","1") = "9"
    & skf18("10","5","10","7","1","6","1") = "9"
    & skf18("10","5","10","7","1","7","1") = "9"
    & skf18("10","5","10","7","1","8","1") = "9"
    & skf18("10","5","10","7","1","9","1") = "9"
    & skf18("10","5","10","7","1","10","1") = "9"
    & skf18("10","5","10","7","2","1","1") = "9"
    & skf18("10","5","10","7","2","2","1") = "9"
    & skf18("10","5","10","7","2","3","1") = "9"
    & skf18("10","5","10","7","2","4","1") = "9"
    & skf18("10","5","10","7","2","5","1") = "9"
    & skf18("10","5","10","7","2","6","1") = "9"
    & skf18("10","5","10","7","2","7","1") = "9"
    & skf18("10","5","10","7","2","8","1") = "9"
    & skf18("10","5","10","7","2","9","1") = "9"
    & skf18("10","5","10","7","2","10","1") = "9"
    & skf18("10","5","10","7","3","1","1") = "9"
    & skf18("10","5","10","7","3","2","1") = "9"
    & skf18("10","5","10","7","3","3","1") = "9"
    & skf18("10","5","10","7","3","4","1") = "9"
    & skf18("10","5","10","7","3","5","1") = "9"
    & skf18("10","5","10","7","3","6","1") = "9"
    & skf18("10","5","10","7","3","7","1") = "9"
    & skf18("10","5","10","7","3","8","1") = "9"
    & skf18("10","5","10","7","3","9","1") = "9"
    & skf18("10","5","10","7","3","10","1") = "9"
    & skf18("10","5","10","7","4","1","1") = "9"
    & skf18("10","5","10","7","4","2","1") = "9"
    & skf18("10","5","10","7","4","3","1") = "9"
    & skf18("10","5","10","7","4","4","1") = "9"
    & skf18("10","5","10","7","4","5","1") = "9"
    & skf18("10","5","10","7","4","6","1") = "9"
    & skf18("10","5","10","7","4","7","1") = "9"
    & skf18("10","5","10","7","4","8","1") = "9"
    & skf18("10","5","10","7","4","9","1") = "9"
    & skf18("10","5","10","7","4","10","1") = "9"
    & skf18("10","5","10","7","5","1","1") = "9"
    & skf18("10","5","10","7","5","2","1") = "9"
    & skf18("10","5","10","7","5","3","1") = "9"
    & skf18("10","5","10","7","5","4","1") = "9"
    & skf18("10","5","10","7","5","5","1") = "9"
    & skf18("10","5","10","7","5","6","1") = "9"
    & skf18("10","5","10","7","5","7","1") = "9"
    & skf18("10","5","10","7","5","8","1") = "9"
    & skf18("10","5","10","7","5","9","1") = "9"
    & skf18("10","5","10","7","5","10","1") = "9"
    & skf18("10","5","10","7","6","1","1") = "9"
    & skf18("10","5","10","7","6","2","1") = "9"
    & skf18("10","5","10","7","6","3","1") = "9"
    & skf18("10","5","10","7","6","4","1") = "9"
    & skf18("10","5","10","7","6","5","1") = "9"
    & skf18("10","5","10","7","6","6","1") = "9"
    & skf18("10","5","10","7","6","7","1") = "9"
    & skf18("10","5","10","7","6","8","1") = "9"
    & skf18("10","5","10","7","6","9","1") = "9"
    & skf18("10","5","10","7","6","10","1") = "9"
    & skf18("10","5","10","7","7","1","1") = "9"
    & skf18("10","5","10","7","7","2","1") = "9"
    & skf18("10","5","10","7","7","3","1") = "9"
    & skf18("10","5","10","7","7","4","1") = "9"
    & skf18("10","5","10","7","7","5","1") = "9"
    & skf18("10","5","10","7","7","6","1") = "9"
    & skf18("10","5","10","7","7","7","1") = "9"
    & skf18("10","5","10","7","7","8","1") = "9"
    & skf18("10","5","10","7","7","9","1") = "9"
    & skf18("10","5","10","7","7","10","1") = "9"
    & skf18("10","5","10","7","8","1","1") = "9"
    & skf18("10","5","10","7","8","2","1") = "9"
    & skf18("10","5","10","7","8","3","1") = "9"
    & skf18("10","5","10","7","8","4","1") = "9"
    & skf18("10","5","10","7","8","5","1") = "9"
    & skf18("10","5","10","7","8","6","1") = "9"
    & skf18("10","5","10","7","8","7","1") = "9"
    & skf18("10","5","10","7","8","8","1") = "9"
    & skf18("10","5","10","7","8","9","1") = "9"
    & skf18("10","5","10","7","8","10","1") = "9"
    & skf18("10","5","10","7","9","1","1") = "9"
    & skf18("10","5","10","7","9","2","1") = "9"
    & skf18("10","5","10","7","9","3","1") = "9"
    & skf18("10","5","10","7","9","4","1") = "9"
    & skf18("10","5","10","7","9","5","1") = "9"
    & skf18("10","5","10","7","9","6","1") = "9"
    & skf18("10","5","10","7","9","7","1") = "9"
    & skf18("10","5","10","7","9","8","1") = "9"
    & skf18("10","5","10","7","9","9","1") = "9"
    & skf18("10","5","10","7","9","10","1") = "9"
    & skf18("10","5","10","7","10","1","1") = "9"
    & skf18("10","5","10","7","10","2","1") = "9"
    & skf18("10","5","10","7","10","3","1") = "9"
    & skf18("10","5","10","7","10","4","1") = "9"
    & skf18("10","5","10","7","10","5","1") = "9"
    & skf18("10","5","10","7","10","6","1") = "9"
    & skf18("10","5","10","7","10","7","1") = "9"
    & skf18("10","5","10","7","10","8","1") = "9"
    & skf18("10","5","10","7","10","9","1") = "9"
    & skf18("10","5","10","7","10","10","1") = "9"
    & skf18("10","5","10","8","1","1","1") = "9"
    & skf18("10","5","10","8","1","2","1") = "9"
    & skf18("10","5","10","8","1","3","1") = "9"
    & skf18("10","5","10","8","1","4","1") = "9"
    & skf18("10","5","10","8","1","5","1") = "9"
    & skf18("10","5","10","8","1","6","1") = "9"
    & skf18("10","5","10","8","1","7","1") = "9"
    & skf18("10","5","10","8","1","8","1") = "9"
    & skf18("10","5","10","8","1","9","1") = "9"
    & skf18("10","5","10","8","1","10","1") = "9"
    & skf18("10","5","10","8","2","1","1") = "9"
    & skf18("10","5","10","8","2","2","1") = "9"
    & skf18("10","5","10","8","2","3","1") = "9"
    & skf18("10","5","10","8","2","4","1") = "9"
    & skf18("10","5","10","8","2","5","1") = "9"
    & skf18("10","5","10","8","2","6","1") = "9"
    & skf18("10","5","10","8","2","7","1") = "9"
    & skf18("10","5","10","8","2","8","1") = "9"
    & skf18("10","5","10","8","2","9","1") = "9"
    & skf18("10","5","10","8","2","10","1") = "9"
    & skf18("10","5","10","8","3","1","1") = "9"
    & skf18("10","5","10","8","3","2","1") = "9"
    & skf18("10","5","10","8","3","3","1") = "9"
    & skf18("10","5","10","8","3","4","1") = "9"
    & skf18("10","5","10","8","3","5","1") = "9"
    & skf18("10","5","10","8","3","6","1") = "9"
    & skf18("10","5","10","8","3","7","1") = "9"
    & skf18("10","5","10","8","3","8","1") = "9"
    & skf18("10","5","10","8","3","9","1") = "9"
    & skf18("10","5","10","8","3","10","1") = "9"
    & skf18("10","5","10","8","4","1","1") = "9"
    & skf18("10","5","10","8","4","2","1") = "9"
    & skf18("10","5","10","8","4","3","1") = "9"
    & skf18("10","5","10","8","4","4","1") = "9"
    & skf18("10","5","10","8","4","5","1") = "9"
    & skf18("10","5","10","8","4","6","1") = "9"
    & skf18("10","5","10","8","4","7","1") = "9"
    & skf18("10","5","10","8","4","8","1") = "9"
    & skf18("10","5","10","8","4","9","1") = "9"
    & skf18("10","5","10","8","4","10","1") = "9"
    & skf18("10","5","10","8","5","1","1") = "9"
    & skf18("10","5","10","8","5","2","1") = "9"
    & skf18("10","5","10","8","5","3","1") = "9"
    & skf18("10","5","10","8","5","4","1") = "9"
    & skf18("10","5","10","8","5","5","1") = "9"
    & skf18("10","5","10","8","5","6","1") = "9"
    & skf18("10","5","10","8","5","7","1") = "9"
    & skf18("10","5","10","8","5","8","1") = "9"
    & skf18("10","5","10","8","5","9","1") = "9"
    & skf18("10","5","10","8","5","10","1") = "9"
    & skf18("10","5","10","8","6","1","1") = "9"
    & skf18("10","5","10","8","6","2","1") = "9"
    & skf18("10","5","10","8","6","3","1") = "9"
    & skf18("10","5","10","8","6","4","1") = "9"
    & skf18("10","5","10","8","6","5","1") = "9"
    & skf18("10","5","10","8","6","6","1") = "9"
    & skf18("10","5","10","8","6","7","1") = "9"
    & skf18("10","5","10","8","6","8","1") = "9"
    & skf18("10","5","10","8","6","9","1") = "9"
    & skf18("10","5","10","8","6","10","1") = "9"
    & skf18("10","5","10","8","7","1","1") = "9"
    & skf18("10","5","10","8","7","2","1") = "9"
    & skf18("10","5","10","8","7","3","1") = "9"
    & skf18("10","5","10","8","7","4","1") = "9"
    & skf18("10","5","10","8","7","5","1") = "9"
    & skf18("10","5","10","8","7","6","1") = "9"
    & skf18("10","5","10","8","7","7","1") = "9"
    & skf18("10","5","10","8","7","8","1") = "9"
    & skf18("10","5","10","8","7","9","1") = "9"
    & skf18("10","5","10","8","7","10","1") = "9"
    & skf18("10","5","10","8","8","1","1") = "9"
    & skf18("10","5","10","8","8","2","1") = "9"
    & skf18("10","5","10","8","8","3","1") = "9"
    & skf18("10","5","10","8","8","4","1") = "9"
    & skf18("10","5","10","8","8","5","1") = "9"
    & skf18("10","5","10","8","8","6","1") = "9"
    & skf18("10","5","10","8","8","7","1") = "9"
    & skf18("10","5","10","8","8","8","1") = "9"
    & skf18("10","5","10","8","8","9","1") = "9"
    & skf18("10","5","10","8","8","10","1") = "9"
    & skf18("10","5","10","8","9","1","1") = "9"
    & skf18("10","5","10","8","9","2","1") = "9"
    & skf18("10","5","10","8","9","3","1") = "9"
    & skf18("10","5","10","8","9","4","1") = "9"
    & skf18("10","5","10","8","9","5","1") = "9"
    & skf18("10","5","10","8","9","6","1") = "9"
    & skf18("10","5","10","8","9","7","1") = "9"
    & skf18("10","5","10","8","9","8","1") = "9"
    & skf18("10","5","10","8","9","9","1") = "9"
    & skf18("10","5","10","8","9","10","1") = "9"
    & skf18("10","5","10","8","10","1","1") = "9"
    & skf18("10","5","10","8","10","2","1") = "9"
    & skf18("10","5","10","8","10","3","1") = "9"
    & skf18("10","5","10","8","10","4","1") = "9"
    & skf18("10","5","10","8","10","5","1") = "9"
    & skf18("10","5","10","8","10","6","1") = "9"
    & skf18("10","5","10","8","10","7","1") = "9"
    & skf18("10","5","10","8","10","8","1") = "9"
    & skf18("10","5","10","8","10","9","1") = "9"
    & skf18("10","5","10","8","10","10","1") = "9"
    & skf18("10","5","10","9","1","1","1") = "9"
    & skf18("10","5","10","9","1","2","1") = "9"
    & skf18("10","5","10","9","1","3","1") = "9"
    & skf18("10","5","10","9","1","4","1") = "9"
    & skf18("10","5","10","9","1","5","1") = "9"
    & skf18("10","5","10","9","1","6","1") = "9"
    & skf18("10","5","10","9","1","7","1") = "9"
    & skf18("10","5","10","9","1","8","1") = "9"
    & skf18("10","5","10","9","1","9","1") = "9"
    & skf18("10","5","10","9","1","10","1") = "9"
    & skf18("10","5","10","9","2","1","1") = "9"
    & skf18("10","5","10","9","2","2","1") = "9"
    & skf18("10","5","10","9","2","3","1") = "9"
    & skf18("10","5","10","9","2","4","1") = "9"
    & skf18("10","5","10","9","2","5","1") = "9"
    & skf18("10","5","10","9","2","6","1") = "9"
    & skf18("10","5","10","9","2","7","1") = "9"
    & skf18("10","5","10","9","2","8","1") = "9"
    & skf18("10","5","10","9","2","9","1") = "9"
    & skf18("10","5","10","9","2","10","1") = "9"
    & skf18("10","5","10","9","3","1","1") = "9"
    & skf18("10","5","10","9","3","2","1") = "9"
    & skf18("10","5","10","9","3","3","1") = "9"
    & skf18("10","5","10","9","3","4","1") = "9"
    & skf18("10","5","10","9","3","5","1") = "9"
    & skf18("10","5","10","9","3","6","1") = "9"
    & skf18("10","5","10","9","3","7","1") = "9"
    & skf18("10","5","10","9","3","8","1") = "9"
    & skf18("10","5","10","9","3","9","1") = "9"
    & skf18("10","5","10","9","3","10","1") = "9"
    & skf18("10","5","10","9","4","1","1") = "9"
    & skf18("10","5","10","9","4","2","1") = "9"
    & skf18("10","5","10","9","4","3","1") = "9"
    & skf18("10","5","10","9","4","4","1") = "9"
    & skf18("10","5","10","9","4","5","1") = "9"
    & skf18("10","5","10","9","4","6","1") = "9"
    & skf18("10","5","10","9","4","7","1") = "9"
    & skf18("10","5","10","9","4","8","1") = "9"
    & skf18("10","5","10","9","4","9","1") = "9"
    & skf18("10","5","10","9","4","10","1") = "9"
    & skf18("10","5","10","9","5","1","1") = "9"
    & skf18("10","5","10","9","5","2","1") = "9"
    & skf18("10","5","10","9","5","3","1") = "9"
    & skf18("10","5","10","9","5","4","1") = "9"
    & skf18("10","5","10","9","5","5","1") = "9"
    & skf18("10","5","10","9","5","6","1") = "9"
    & skf18("10","5","10","9","5","7","1") = "9"
    & skf18("10","5","10","9","5","8","1") = "9"
    & skf18("10","5","10","9","5","9","1") = "9"
    & skf18("10","5","10","9","5","10","1") = "9"
    & skf18("10","5","10","9","6","1","1") = "9"
    & skf18("10","5","10","9","6","2","1") = "9"
    & skf18("10","5","10","9","6","3","1") = "9"
    & skf18("10","5","10","9","6","4","1") = "9"
    & skf18("10","5","10","9","6","5","1") = "9"
    & skf18("10","5","10","9","6","6","1") = "9"
    & skf18("10","5","10","9","6","7","1") = "9"
    & skf18("10","5","10","9","6","8","1") = "9"
    & skf18("10","5","10","9","6","9","1") = "9"
    & skf18("10","5","10","9","6","10","1") = "9"
    & skf18("10","5","10","9","7","1","1") = "9"
    & skf18("10","5","10","9","7","2","1") = "9"
    & skf18("10","5","10","9","7","3","1") = "9"
    & skf18("10","5","10","9","7","4","1") = "9"
    & skf18("10","5","10","9","7","5","1") = "9"
    & skf18("10","5","10","9","7","6","1") = "9"
    & skf18("10","5","10","9","7","7","1") = "9"
    & skf18("10","5","10","9","7","8","1") = "9"
    & skf18("10","5","10","9","7","9","1") = "9"
    & skf18("10","5","10","9","7","10","1") = "9"
    & skf18("10","5","10","9","8","1","1") = "9"
    & skf18("10","5","10","9","8","2","1") = "9"
    & skf18("10","5","10","9","8","3","1") = "9"
    & skf18("10","5","10","9","8","4","1") = "9"
    & skf18("10","5","10","9","8","5","1") = "9"
    & skf18("10","5","10","9","8","6","1") = "9"
    & skf18("10","5","10","9","8","7","1") = "9"
    & skf18("10","5","10","9","8","8","1") = "9"
    & skf18("10","5","10","9","8","9","1") = "9"
    & skf18("10","5","10","9","8","10","1") = "9"
    & skf18("10","5","10","9","9","1","1") = "9"
    & skf18("10","5","10","9","9","2","1") = "9"
    & skf18("10","5","10","9","9","3","1") = "9"
    & skf18("10","5","10","9","9","4","1") = "9"
    & skf18("10","5","10","9","9","5","1") = "9"
    & skf18("10","5","10","9","9","6","1") = "9"
    & skf18("10","5","10","9","9","7","1") = "9"
    & skf18("10","5","10","9","9","8","1") = "9"
    & skf18("10","5","10","9","9","9","1") = "9"
    & skf18("10","5","10","9","9","10","1") = "9"
    & skf18("10","5","10","9","10","1","1") = "9"
    & skf18("10","5","10","9","10","2","1") = "9"
    & skf18("10","5","10","9","10","3","1") = "9"
    & skf18("10","5","10","9","10","4","1") = "9"
    & skf18("10","5","10","9","10","5","1") = "9"
    & skf18("10","5","10","9","10","6","1") = "9"
    & skf18("10","5","10","9","10","7","1") = "9"
    & skf18("10","5","10","9","10","8","1") = "9"
    & skf18("10","5","10","9","10","9","1") = "9"
    & skf18("10","5","10","9","10","10","1") = "9"
    & skf18("10","5","10","10","1","1","1") = "9"
    & skf18("10","5","10","10","1","2","1") = "9"
    & skf18("10","5","10","10","1","3","1") = "9"
    & skf18("10","5","10","10","1","4","1") = "9"
    & skf18("10","5","10","10","1","5","1") = "9"
    & skf18("10","5","10","10","1","6","1") = "9"
    & skf18("10","5","10","10","1","7","1") = "9"
    & skf18("10","5","10","10","1","8","1") = "9"
    & skf18("10","5","10","10","1","9","1") = "9"
    & skf18("10","5","10","10","1","10","1") = "9"
    & skf18("10","5","10","10","2","1","1") = "9"
    & skf18("10","5","10","10","2","2","1") = "9"
    & skf18("10","5","10","10","2","3","1") = "9"
    & skf18("10","5","10","10","2","4","1") = "9"
    & skf18("10","5","10","10","2","5","1") = "9"
    & skf18("10","5","10","10","2","6","1") = "9"
    & skf18("10","5","10","10","2","7","1") = "9"
    & skf18("10","5","10","10","2","8","1") = "9"
    & skf18("10","5","10","10","2","9","1") = "9"
    & skf18("10","5","10","10","2","10","1") = "9"
    & skf18("10","5","10","10","3","1","1") = "9"
    & skf18("10","5","10","10","3","2","1") = "9"
    & skf18("10","5","10","10","3","3","1") = "9"
    & skf18("10","5","10","10","3","4","1") = "9"
    & skf18("10","5","10","10","3","5","1") = "9"
    & skf18("10","5","10","10","3","6","1") = "9"
    & skf18("10","5","10","10","3","7","1") = "9"
    & skf18("10","5","10","10","3","8","1") = "9"
    & skf18("10","5","10","10","3","9","1") = "9"
    & skf18("10","5","10","10","3","10","1") = "9"
    & skf18("10","5","10","10","4","1","1") = "9"
    & skf18("10","5","10","10","4","2","1") = "9"
    & skf18("10","5","10","10","4","3","1") = "9"
    & skf18("10","5","10","10","4","4","1") = "9"
    & skf18("10","5","10","10","4","5","1") = "9"
    & skf18("10","5","10","10","4","6","1") = "9"
    & skf18("10","5","10","10","4","7","1") = "9"
    & skf18("10","5","10","10","4","8","1") = "9"
    & skf18("10","5","10","10","4","9","1") = "9"
    & skf18("10","5","10","10","4","10","1") = "9"
    & skf18("10","5","10","10","5","1","1") = "9"
    & skf18("10","5","10","10","5","2","1") = "9"
    & skf18("10","5","10","10","5","3","1") = "9"
    & skf18("10","5","10","10","5","4","1") = "9"
    & skf18("10","5","10","10","5","5","1") = "9"
    & skf18("10","5","10","10","5","6","1") = "9"
    & skf18("10","5","10","10","5","7","1") = "9"
    & skf18("10","5","10","10","5","8","1") = "9"
    & skf18("10","5","10","10","5","9","1") = "9"
    & skf18("10","5","10","10","5","10","1") = "9"
    & skf18("10","5","10","10","6","1","1") = "9"
    & skf18("10","5","10","10","6","2","1") = "9"
    & skf18("10","5","10","10","6","3","1") = "9"
    & skf18("10","5","10","10","6","4","1") = "9"
    & skf18("10","5","10","10","6","5","1") = "9"
    & skf18("10","5","10","10","6","6","1") = "9"
    & skf18("10","5","10","10","6","7","1") = "9"
    & skf18("10","5","10","10","6","8","1") = "9"
    & skf18("10","5","10","10","6","9","1") = "9"
    & skf18("10","5","10","10","6","10","1") = "9"
    & skf18("10","5","10","10","7","1","1") = "9"
    & skf18("10","5","10","10","7","2","1") = "9"
    & skf18("10","5","10","10","7","3","1") = "9"
    & skf18("10","5","10","10","7","4","1") = "9"
    & skf18("10","5","10","10","7","5","1") = "9"
    & skf18("10","5","10","10","7","6","1") = "9"
    & skf18("10","5","10","10","7","7","1") = "9"
    & skf18("10","5","10","10","7","8","1") = "9"
    & skf18("10","5","10","10","7","9","1") = "9"
    & skf18("10","5","10","10","7","10","1") = "9"
    & skf18("10","5","10","10","8","1","1") = "9"
    & skf18("10","5","10","10","8","2","1") = "9"
    & skf18("10","5","10","10","8","3","1") = "9"
    & skf18("10","5","10","10","8","4","1") = "9"
    & skf18("10","5","10","10","8","5","1") = "9"
    & skf18("10","5","10","10","8","6","1") = "9"
    & skf18("10","5","10","10","8","7","1") = "9"
    & skf18("10","5","10","10","8","8","1") = "9"
    & skf18("10","5","10","10","8","9","1") = "9"
    & skf18("10","5","10","10","8","10","1") = "9"
    & skf18("10","5","10","10","9","1","1") = "9"
    & skf18("10","5","10","10","9","2","1") = "9"
    & skf18("10","5","10","10","9","3","1") = "9"
    & skf18("10","5","10","10","9","4","1") = "9"
    & skf18("10","5","10","10","9","5","1") = "9"
    & skf18("10","5","10","10","9","6","1") = "9"
    & skf18("10","5","10","10","9","7","1") = "9"
    & skf18("10","5","10","10","9","8","1") = "9"
    & skf18("10","5","10","10","9","9","1") = "9"
    & skf18("10","5","10","10","9","10","1") = "9"
    & skf18("10","5","10","10","10","1","1") = "9"
    & skf18("10","5","10","10","10","2","1") = "9"
    & skf18("10","5","10","10","10","3","1") = "9"
    & skf18("10","5","10","10","10","4","1") = "9"
    & skf18("10","5","10","10","10","5","1") = "9"
    & skf18("10","5","10","10","10","6","1") = "9"
    & skf18("10","5","10","10","10","7","1") = "9"
    & skf18("10","5","10","10","10","8","1") = "9"
    & skf18("10","5","10","10","10","9","1") = "9"
    & skf18("10","5","10","10","10","10","1") = "9"
    & skf18("10","6","1","1","1","1","1") = "9"
    & skf18("10","6","1","1","1","2","1") = "9"
    & skf18("10","6","1","1","1","3","1") = "9"
    & skf18("10","6","1","1","1","4","1") = "9"
    & skf18("10","6","1","1","1","5","1") = "9"
    & skf18("10","6","1","1","1","6","1") = "9"
    & skf18("10","6","1","1","1","7","1") = "9"
    & skf18("10","6","1","1","1","8","1") = "9"
    & skf18("10","6","1","1","1","9","1") = "9"
    & skf18("10","6","1","1","1","10","1") = "9"
    & skf18("10","6","1","1","2","1","1") = "9"
    & skf18("10","6","1","1","2","2","1") = "9"
    & skf18("10","6","1","1","2","3","1") = "9"
    & skf18("10","6","1","1","2","4","1") = "9"
    & skf18("10","6","1","1","2","5","1") = "9"
    & skf18("10","6","1","1","2","6","1") = "9"
    & skf18("10","6","1","1","2","7","1") = "9"
    & skf18("10","6","1","1","2","8","1") = "9"
    & skf18("10","6","1","1","2","9","1") = "9"
    & skf18("10","6","1","1","2","10","1") = "9"
    & skf18("10","6","1","1","3","1","1") = "9"
    & skf18("10","6","1","1","3","2","1") = "9"
    & skf18("10","6","1","1","3","3","1") = "9"
    & skf18("10","6","1","1","3","4","1") = "9"
    & skf18("10","6","1","1","3","5","1") = "9"
    & skf18("10","6","1","1","3","6","1") = "9"
    & skf18("10","6","1","1","3","7","1") = "9"
    & skf18("10","6","1","1","3","8","1") = "9"
    & skf18("10","6","1","1","3","9","1") = "9"
    & skf18("10","6","1","1","3","10","1") = "9"
    & skf18("10","6","1","1","4","1","1") = "9"
    & skf18("10","6","1","1","4","2","1") = "9"
    & skf18("10","6","1","1","4","3","1") = "9"
    & skf18("10","6","1","1","4","4","1") = "9"
    & skf18("10","6","1","1","4","5","1") = "9"
    & skf18("10","6","1","1","4","6","1") = "9"
    & skf18("10","6","1","1","4","7","1") = "9"
    & skf18("10","6","1","1","4","8","1") = "9"
    & skf18("10","6","1","1","4","9","1") = "9"
    & skf18("10","6","1","1","4","10","1") = "9"
    & skf18("10","6","1","1","5","1","1") = "9"
    & skf18("10","6","1","1","5","2","1") = "9"
    & skf18("10","6","1","1","5","3","1") = "9"
    & skf18("10","6","1","1","5","4","1") = "9"
    & skf18("10","6","1","1","5","5","1") = "9"
    & skf18("10","6","1","1","5","6","1") = "9"
    & skf18("10","6","1","1","5","7","1") = "9"
    & skf18("10","6","1","1","5","8","1") = "9"
    & skf18("10","6","1","1","5","9","1") = "9"
    & skf18("10","6","1","1","5","10","1") = "9"
    & skf18("10","6","1","1","6","1","1") = "9"
    & skf18("10","6","1","1","6","2","1") = "9"
    & skf18("10","6","1","1","6","3","1") = "9"
    & skf18("10","6","1","1","6","4","1") = "9"
    & skf18("10","6","1","1","6","5","1") = "9"
    & skf18("10","6","1","1","6","6","1") = "9"
    & skf18("10","6","1","1","6","7","1") = "9"
    & skf18("10","6","1","1","6","8","1") = "9"
    & skf18("10","6","1","1","6","9","1") = "9"
    & skf18("10","6","1","1","6","10","1") = "9"
    & skf18("10","6","1","1","7","1","1") = "9"
    & skf18("10","6","1","1","7","2","1") = "9"
    & skf18("10","6","1","1","7","3","1") = "9"
    & skf18("10","6","1","1","7","4","1") = "9"
    & skf18("10","6","1","1","7","5","1") = "9"
    & skf18("10","6","1","1","7","6","1") = "9"
    & skf18("10","6","1","1","7","7","1") = "9"
    & skf18("10","6","1","1","7","8","1") = "9"
    & skf18("10","6","1","1","7","9","1") = "9"
    & skf18("10","6","1","1","7","10","1") = "9"
    & skf18("10","6","1","1","8","1","1") = "9"
    & skf18("10","6","1","1","8","2","1") = "9"
    & skf18("10","6","1","1","8","3","1") = "9"
    & skf18("10","6","1","1","8","4","1") = "9"
    & skf18("10","6","1","1","8","5","1") = "9"
    & skf18("10","6","1","1","8","6","1") = "9"
    & skf18("10","6","1","1","8","7","1") = "9"
    & skf18("10","6","1","1","8","8","1") = "9"
    & skf18("10","6","1","1","8","9","1") = "9"
    & skf18("10","6","1","1","8","10","1") = "9"
    & skf18("10","6","1","1","9","1","1") = "9"
    & skf18("10","6","1","1","9","2","1") = "9"
    & skf18("10","6","1","1","9","3","1") = "9"
    & skf18("10","6","1","1","9","4","1") = "9"
    & skf18("10","6","1","1","9","5","1") = "9"
    & skf18("10","6","1","1","9","6","1") = "9"
    & skf18("10","6","1","1","9","7","1") = "9"
    & skf18("10","6","1","1","9","8","1") = "9"
    & skf18("10","6","1","1","9","9","1") = "9"
    & skf18("10","6","1","1","9","10","1") = "9"
    & skf18("10","6","1","1","10","1","1") = "9"
    & skf18("10","6","1","1","10","2","1") = "9"
    & skf18("10","6","1","1","10","3","1") = "9"
    & skf18("10","6","1","1","10","4","1") = "9"
    & skf18("10","6","1","1","10","5","1") = "9"
    & skf18("10","6","1","1","10","6","1") = "9"
    & skf18("10","6","1","1","10","7","1") = "9"
    & skf18("10","6","1","1","10","8","1") = "9"
    & skf18("10","6","1","1","10","9","1") = "9"
    & skf18("10","6","1","1","10","10","1") = "9"
    & skf18("10","6","1","2","1","1","1") = "9"
    & skf18("10","6","1","2","1","2","1") = "9"
    & skf18("10","6","1","2","1","3","1") = "9"
    & skf18("10","6","1","2","1","4","1") = "9"
    & skf18("10","6","1","2","1","5","1") = "9"
    & skf18("10","6","1","2","1","6","1") = "9"
    & skf18("10","6","1","2","1","7","1") = "9"
    & skf18("10","6","1","2","1","8","1") = "9"
    & skf18("10","6","1","2","1","9","1") = "9"
    & skf18("10","6","1","2","1","10","1") = "9"
    & skf18("10","6","1","2","2","1","1") = "9"
    & skf18("10","6","1","2","2","2","1") = "9"
    & skf18("10","6","1","2","2","3","1") = "9"
    & skf18("10","6","1","2","2","4","1") = "9"
    & skf18("10","6","1","2","2","5","1") = "9"
    & skf18("10","6","1","2","2","6","1") = "9"
    & skf18("10","6","1","2","2","7","1") = "9"
    & skf18("10","6","1","2","2","8","1") = "9"
    & skf18("10","6","1","2","2","9","1") = "9"
    & skf18("10","6","1","2","2","10","1") = "9"
    & skf18("10","6","1","2","3","1","1") = "9"
    & skf18("10","6","1","2","3","2","1") = "9"
    & skf18("10","6","1","2","3","3","1") = "9"
    & skf18("10","6","1","2","3","4","1") = "9"
    & skf18("10","6","1","2","3","5","1") = "9"
    & skf18("10","6","1","2","3","6","1") = "9"
    & skf18("10","6","1","2","3","7","1") = "9"
    & skf18("10","6","1","2","3","8","1") = "9"
    & skf18("10","6","1","2","3","9","1") = "9"
    & skf18("10","6","1","2","3","10","1") = "9"
    & skf18("10","6","1","2","4","1","1") = "9"
    & skf18("10","6","1","2","4","2","1") = "9"
    & skf18("10","6","1","2","4","3","1") = "9"
    & skf18("10","6","1","2","4","4","1") = "9"
    & skf18("10","6","1","2","4","5","1") = "9"
    & skf18("10","6","1","2","4","6","1") = "9"
    & skf18("10","6","1","2","4","7","1") = "9"
    & skf18("10","6","1","2","4","8","1") = "9"
    & skf18("10","6","1","2","4","9","1") = "9"
    & skf18("10","6","1","2","4","10","1") = "9"
    & skf18("10","6","1","2","5","1","1") = "9"
    & skf18("10","6","1","2","5","2","1") = "9"
    & skf18("10","6","1","2","5","3","1") = "9"
    & skf18("10","6","1","2","5","4","1") = "9"
    & skf18("10","6","1","2","5","5","1") = "9"
    & skf18("10","6","1","2","5","6","1") = "9"
    & skf18("10","6","1","2","5","7","1") = "9"
    & skf18("10","6","1","2","5","8","1") = "9"
    & skf18("10","6","1","2","5","9","1") = "9"
    & skf18("10","6","1","2","5","10","1") = "9"
    & skf18("10","6","1","2","6","1","1") = "9"
    & skf18("10","6","1","2","6","2","1") = "9"
    & skf18("10","6","1","2","6","3","1") = "9"
    & skf18("10","6","1","2","6","4","1") = "9"
    & skf18("10","6","1","2","6","5","1") = "9"
    & skf18("10","6","1","2","6","6","1") = "9"
    & skf18("10","6","1","2","6","7","1") = "9"
    & skf18("10","6","1","2","6","8","1") = "9"
    & skf18("10","6","1","2","6","9","1") = "9"
    & skf18("10","6","1","2","6","10","1") = "9"
    & skf18("10","6","1","2","7","1","1") = "9"
    & skf18("10","6","1","2","7","2","1") = "9"
    & skf18("10","6","1","2","7","3","1") = "9"
    & skf18("10","6","1","2","7","4","1") = "9"
    & skf18("10","6","1","2","7","5","1") = "9"
    & skf18("10","6","1","2","7","6","1") = "9"
    & skf18("10","6","1","2","7","7","1") = "9"
    & skf18("10","6","1","2","7","8","1") = "9"
    & skf18("10","6","1","2","7","9","1") = "9"
    & skf18("10","6","1","2","7","10","1") = "9"
    & skf18("10","6","1","2","8","1","1") = "9"
    & skf18("10","6","1","2","8","2","1") = "9"
    & skf18("10","6","1","2","8","3","1") = "9"
    & skf18("10","6","1","2","8","4","1") = "9"
    & skf18("10","6","1","2","8","5","1") = "9"
    & skf18("10","6","1","2","8","6","1") = "9"
    & skf18("10","6","1","2","8","7","1") = "9"
    & skf18("10","6","1","2","8","8","1") = "9"
    & skf18("10","6","1","2","8","9","1") = "9"
    & skf18("10","6","1","2","8","10","1") = "9"
    & skf18("10","6","1","2","9","1","1") = "9"
    & skf18("10","6","1","2","9","2","1") = "9"
    & skf18("10","6","1","2","9","3","1") = "9"
    & skf18("10","6","1","2","9","4","1") = "9"
    & skf18("10","6","1","2","9","5","1") = "9"
    & skf18("10","6","1","2","9","6","1") = "9"
    & skf18("10","6","1","2","9","7","1") = "9"
    & skf18("10","6","1","2","9","8","1") = "9"
    & skf18("10","6","1","2","9","9","1") = "9"
    & skf18("10","6","1","2","9","10","1") = "9"
    & skf18("10","6","1","2","10","1","1") = "9"
    & skf18("10","6","1","2","10","2","1") = "9"
    & skf18("10","6","1","2","10","3","1") = "9"
    & skf18("10","6","1","2","10","4","1") = "9"
    & skf18("10","6","1","2","10","5","1") = "9"
    & skf18("10","6","1","2","10","6","1") = "9"
    & skf18("10","6","1","2","10","7","1") = "9"
    & skf18("10","6","1","2","10","8","1") = "9"
    & skf18("10","6","1","2","10","9","1") = "9"
    & skf18("10","6","1","2","10","10","1") = "9"
    & skf18("10","6","1","3","1","1","1") = "9"
    & skf18("10","6","1","3","1","2","1") = "9"
    & skf18("10","6","1","3","1","3","1") = "9"
    & skf18("10","6","1","3","1","4","1") = "9"
    & skf18("10","6","1","3","1","5","1") = "9"
    & skf18("10","6","1","3","1","6","1") = "9"
    & skf18("10","6","1","3","1","7","1") = "9"
    & skf18("10","6","1","3","1","8","1") = "9"
    & skf18("10","6","1","3","1","9","1") = "9"
    & skf18("10","6","1","3","1","10","1") = "9"
    & skf18("10","6","1","3","2","1","1") = "9"
    & skf18("10","6","1","3","2","2","1") = "9"
    & skf18("10","6","1","3","2","3","1") = "9"
    & skf18("10","6","1","3","2","4","1") = "9"
    & skf18("10","6","1","3","2","5","1") = "9"
    & skf18("10","6","1","3","2","6","1") = "9"
    & skf18("10","6","1","3","2","7","1") = "9"
    & skf18("10","6","1","3","2","8","1") = "9"
    & skf18("10","6","1","3","2","9","1") = "9"
    & skf18("10","6","1","3","2","10","1") = "9"
    & skf18("10","6","1","3","3","1","1") = "9"
    & skf18("10","6","1","3","3","2","1") = "9"
    & skf18("10","6","1","3","3","3","1") = "9"
    & skf18("10","6","1","3","3","4","1") = "9"
    & skf18("10","6","1","3","3","5","1") = "9"
    & skf18("10","6","1","3","3","6","1") = "9"
    & skf18("10","6","1","3","3","7","1") = "9"
    & skf18("10","6","1","3","3","8","1") = "9"
    & skf18("10","6","1","3","3","9","1") = "9"
    & skf18("10","6","1","3","3","10","1") = "9"
    & skf18("10","6","1","3","4","1","1") = "9"
    & skf18("10","6","1","3","4","2","1") = "9"
    & skf18("10","6","1","3","4","3","1") = "9"
    & skf18("10","6","1","3","4","4","1") = "9"
    & skf18("10","6","1","3","4","5","1") = "9"
    & skf18("10","6","1","3","4","6","1") = "9"
    & skf18("10","6","1","3","4","7","1") = "9"
    & skf18("10","6","1","3","4","8","1") = "9"
    & skf18("10","6","1","3","4","9","1") = "9"
    & skf18("10","6","1","3","4","10","1") = "9"
    & skf18("10","6","1","3","5","1","1") = "9"
    & skf18("10","6","1","3","5","2","1") = "9"
    & skf18("10","6","1","3","5","3","1") = "9"
    & skf18("10","6","1","3","5","4","1") = "9"
    & skf18("10","6","1","3","5","5","1") = "9"
    & skf18("10","6","1","3","5","6","1") = "9"
    & skf18("10","6","1","3","5","7","1") = "9"
    & skf18("10","6","1","3","5","8","1") = "9"
    & skf18("10","6","1","3","5","9","1") = "9"
    & skf18("10","6","1","3","5","10","1") = "9"
    & skf18("10","6","1","3","6","1","1") = "9"
    & skf18("10","6","1","3","6","2","1") = "9"
    & skf18("10","6","1","3","6","3","1") = "9"
    & skf18("10","6","1","3","6","4","1") = "9"
    & skf18("10","6","1","3","6","5","1") = "9"
    & skf18("10","6","1","3","6","6","1") = "9"
    & skf18("10","6","1","3","6","7","1") = "9"
    & skf18("10","6","1","3","6","8","1") = "9"
    & skf18("10","6","1","3","6","9","1") = "9"
    & skf18("10","6","1","3","6","10","1") = "9"
    & skf18("10","6","1","3","7","1","1") = "9"
    & skf18("10","6","1","3","7","2","1") = "9"
    & skf18("10","6","1","3","7","3","1") = "9"
    & skf18("10","6","1","3","7","4","1") = "9"
    & skf18("10","6","1","3","7","5","1") = "9"
    & skf18("10","6","1","3","7","6","1") = "9"
    & skf18("10","6","1","3","7","7","1") = "9"
    & skf18("10","6","1","3","7","8","1") = "9"
    & skf18("10","6","1","3","7","9","1") = "9"
    & skf18("10","6","1","3","7","10","1") = "9"
    & skf18("10","6","1","3","8","1","1") = "9"
    & skf18("10","6","1","3","8","2","1") = "9"
    & skf18("10","6","1","3","8","3","1") = "9"
    & skf18("10","6","1","3","8","4","1") = "9"
    & skf18("10","6","1","3","8","5","1") = "9"
    & skf18("10","6","1","3","8","6","1") = "9"
    & skf18("10","6","1","3","8","7","1") = "9"
    & skf18("10","6","1","3","8","8","1") = "9"
    & skf18("10","6","1","3","8","9","1") = "9"
    & skf18("10","6","1","3","8","10","1") = "9"
    & skf18("10","6","1","3","9","1","1") = "9"
    & skf18("10","6","1","3","9","2","1") = "9"
    & skf18("10","6","1","3","9","3","1") = "9"
    & skf18("10","6","1","3","9","4","1") = "9"
    & skf18("10","6","1","3","9","5","1") = "9"
    & skf18("10","6","1","3","9","6","1") = "9"
    & skf18("10","6","1","3","9","7","1") = "9"
    & skf18("10","6","1","3","9","8","1") = "9"
    & skf18("10","6","1","3","9","9","1") = "9"
    & skf18("10","6","1","3","9","10","1") = "9"
    & skf18("10","6","1","3","10","1","1") = "9"
    & skf18("10","6","1","3","10","2","1") = "9"
    & skf18("10","6","1","3","10","3","1") = "9"
    & skf18("10","6","1","3","10","4","1") = "9"
    & skf18("10","6","1","3","10","5","1") = "9"
    & skf18("10","6","1","3","10","6","1") = "9"
    & skf18("10","6","1","3","10","7","1") = "9"
    & skf18("10","6","1","3","10","8","1") = "9"
    & skf18("10","6","1","3","10","9","1") = "9"
    & skf18("10","6","1","3","10","10","1") = "9"
    & skf18("10","6","1","4","1","1","1") = "9"
    & skf18("10","6","1","4","1","2","1") = "9"
    & skf18("10","6","1","4","1","3","1") = "9"
    & skf18("10","6","1","4","1","4","1") = "9"
    & skf18("10","6","1","4","1","5","1") = "9"
    & skf18("10","6","1","4","1","6","1") = "9"
    & skf18("10","6","1","4","1","7","1") = "9"
    & skf18("10","6","1","4","1","8","1") = "9"
    & skf18("10","6","1","4","1","9","1") = "9"
    & skf18("10","6","1","4","1","10","1") = "9"
    & skf18("10","6","1","4","2","1","1") = "9"
    & skf18("10","6","1","4","2","2","1") = "9"
    & skf18("10","6","1","4","2","3","1") = "9"
    & skf18("10","6","1","4","2","4","1") = "9"
    & skf18("10","6","1","4","2","5","1") = "9"
    & skf18("10","6","1","4","2","6","1") = "9"
    & skf18("10","6","1","4","2","7","1") = "9"
    & skf18("10","6","1","4","2","8","1") = "9"
    & skf18("10","6","1","4","2","9","1") = "9"
    & skf18("10","6","1","4","2","10","1") = "9"
    & skf18("10","6","1","4","3","1","1") = "9"
    & skf18("10","6","1","4","3","2","1") = "9"
    & skf18("10","6","1","4","3","3","1") = "9"
    & skf18("10","6","1","4","3","4","1") = "9"
    & skf18("10","6","1","4","3","5","1") = "9"
    & skf18("10","6","1","4","3","6","1") = "9"
    & skf18("10","6","1","4","3","7","1") = "9"
    & skf18("10","6","1","4","3","8","1") = "9"
    & skf18("10","6","1","4","3","9","1") = "9"
    & skf18("10","6","1","4","3","10","1") = "9"
    & skf18("10","6","1","4","4","1","1") = "9"
    & skf18("10","6","1","4","4","2","1") = "9"
    & skf18("10","6","1","4","4","3","1") = "9"
    & skf18("10","6","1","4","4","4","1") = "9"
    & skf18("10","6","1","4","4","5","1") = "9"
    & skf18("10","6","1","4","4","6","1") = "9"
    & skf18("10","6","1","4","4","7","1") = "9"
    & skf18("10","6","1","4","4","8","1") = "9"
    & skf18("10","6","1","4","4","9","1") = "9"
    & skf18("10","6","1","4","4","10","1") = "9"
    & skf18("10","6","1","4","5","1","1") = "9"
    & skf18("10","6","1","4","5","2","1") = "9"
    & skf18("10","6","1","4","5","3","1") = "9"
    & skf18("10","6","1","4","5","4","1") = "9"
    & skf18("10","6","1","4","5","5","1") = "9"
    & skf18("10","6","1","4","5","6","1") = "9"
    & skf18("10","6","1","4","5","7","1") = "9"
    & skf18("10","6","1","4","5","8","1") = "9"
    & skf18("10","6","1","4","5","9","1") = "9"
    & skf18("10","6","1","4","5","10","1") = "9"
    & skf18("10","6","1","4","6","1","1") = "9"
    & skf18("10","6","1","4","6","2","1") = "9"
    & skf18("10","6","1","4","6","3","1") = "9"
    & skf18("10","6","1","4","6","4","1") = "9"
    & skf18("10","6","1","4","6","5","1") = "9"
    & skf18("10","6","1","4","6","6","1") = "9"
    & skf18("10","6","1","4","6","7","1") = "9"
    & skf18("10","6","1","4","6","8","1") = "9"
    & skf18("10","6","1","4","6","9","1") = "9"
    & skf18("10","6","1","4","6","10","1") = "9"
    & skf18("10","6","1","4","7","1","1") = "9"
    & skf18("10","6","1","4","7","2","1") = "9"
    & skf18("10","6","1","4","7","3","1") = "9"
    & skf18("10","6","1","4","7","4","1") = "9"
    & skf18("10","6","1","4","7","5","1") = "9"
    & skf18("10","6","1","4","7","6","1") = "9"
    & skf18("10","6","1","4","7","7","1") = "9"
    & skf18("10","6","1","4","7","8","1") = "9"
    & skf18("10","6","1","4","7","9","1") = "9"
    & skf18("10","6","1","4","7","10","1") = "9"
    & skf18("10","6","1","4","8","1","1") = "9"
    & skf18("10","6","1","4","8","2","1") = "9"
    & skf18("10","6","1","4","8","3","1") = "9"
    & skf18("10","6","1","4","8","4","1") = "9"
    & skf18("10","6","1","4","8","5","1") = "9"
    & skf18("10","6","1","4","8","6","1") = "9"
    & skf18("10","6","1","4","8","7","1") = "9"
    & skf18("10","6","1","4","8","8","1") = "9"
    & skf18("10","6","1","4","8","9","1") = "9"
    & skf18("10","6","1","4","8","10","1") = "9"
    & skf18("10","6","1","4","9","1","1") = "9"
    & skf18("10","6","1","4","9","2","1") = "9"
    & skf18("10","6","1","4","9","3","1") = "9"
    & skf18("10","6","1","4","9","4","1") = "9"
    & skf18("10","6","1","4","9","5","1") = "9"
    & skf18("10","6","1","4","9","6","1") = "9"
    & skf18("10","6","1","4","9","7","1") = "9"
    & skf18("10","6","1","4","9","8","1") = "9"
    & skf18("10","6","1","4","9","9","1") = "9"
    & skf18("10","6","1","4","9","10","1") = "9"
    & skf18("10","6","1","4","10","1","1") = "9"
    & skf18("10","6","1","4","10","2","1") = "9"
    & skf18("10","6","1","4","10","3","1") = "9"
    & skf18("10","6","1","4","10","4","1") = "9"
    & skf18("10","6","1","4","10","5","1") = "9"
    & skf18("10","6","1","4","10","6","1") = "9"
    & skf18("10","6","1","4","10","7","1") = "9"
    & skf18("10","6","1","4","10","8","1") = "9"
    & skf18("10","6","1","4","10","9","1") = "9"
    & skf18("10","6","1","4","10","10","1") = "9"
    & skf18("10","6","1","5","1","1","1") = "9"
    & skf18("10","6","1","5","1","2","1") = "9"
    & skf18("10","6","1","5","1","3","1") = "9"
    & skf18("10","6","1","5","1","4","1") = "9"
    & skf18("10","6","1","5","1","5","1") = "9"
    & skf18("10","6","1","5","1","6","1") = "9"
    & skf18("10","6","1","5","1","7","1") = "9"
    & skf18("10","6","1","5","1","8","1") = "9"
    & skf18("10","6","1","5","1","9","1") = "9"
    & skf18("10","6","1","5","1","10","1") = "9"
    & skf18("10","6","1","5","2","1","1") = "9"
    & skf18("10","6","1","5","2","2","1") = "9"
    & skf18("10","6","1","5","2","3","1") = "9"
    & skf18("10","6","1","5","2","4","1") = "9"
    & skf18("10","6","1","5","2","5","1") = "9"
    & skf18("10","6","1","5","2","6","1") = "9"
    & skf18("10","6","1","5","2","7","1") = "9"
    & skf18("10","6","1","5","2","8","1") = "9"
    & skf18("10","6","1","5","2","9","1") = "9"
    & skf18("10","6","1","5","2","10","1") = "9"
    & skf18("10","6","1","5","3","1","1") = "9"
    & skf18("10","6","1","5","3","2","1") = "9"
    & skf18("10","6","1","5","3","3","1") = "9"
    & skf18("10","6","1","5","3","4","1") = "9"
    & skf18("10","6","1","5","3","5","1") = "9"
    & skf18("10","6","1","5","3","6","1") = "9"
    & skf18("10","6","1","5","3","7","1") = "9"
    & skf18("10","6","1","5","3","8","1") = "9"
    & skf18("10","6","1","5","3","9","1") = "9"
    & skf18("10","6","1","5","3","10","1") = "9"
    & skf18("10","6","1","5","4","1","1") = "9"
    & skf18("10","6","1","5","4","2","1") = "9"
    & skf18("10","6","1","5","4","3","1") = "9"
    & skf18("10","6","1","5","4","4","1") = "9"
    & skf18("10","6","1","5","4","5","1") = "9"
    & skf18("10","6","1","5","4","6","1") = "9"
    & skf18("10","6","1","5","4","7","1") = "9"
    & skf18("10","6","1","5","4","8","1") = "9"
    & skf18("10","6","1","5","4","9","1") = "9"
    & skf18("10","6","1","5","4","10","1") = "9"
    & skf18("10","6","1","5","5","1","1") = "9"
    & skf18("10","6","1","5","5","2","1") = "9"
    & skf18("10","6","1","5","5","3","1") = "9"
    & skf18("10","6","1","5","5","4","1") = "9"
    & skf18("10","6","1","5","5","5","1") = "9"
    & skf18("10","6","1","5","5","6","1") = "9"
    & skf18("10","6","1","5","5","7","1") = "9"
    & skf18("10","6","1","5","5","8","1") = "9"
    & skf18("10","6","1","5","5","9","1") = "9"
    & skf18("10","6","1","5","5","10","1") = "9"
    & skf18("10","6","1","5","6","1","1") = "9"
    & skf18("10","6","1","5","6","2","1") = "9"
    & skf18("10","6","1","5","6","3","1") = "9"
    & skf18("10","6","1","5","6","4","1") = "9"
    & skf18("10","6","1","5","6","5","1") = "9"
    & skf18("10","6","1","5","6","6","1") = "9"
    & skf18("10","6","1","5","6","7","1") = "9"
    & skf18("10","6","1","5","6","8","1") = "9"
    & skf18("10","6","1","5","6","9","1") = "9"
    & skf18("10","6","1","5","6","10","1") = "9"
    & skf18("10","6","1","5","7","1","1") = "9"
    & skf18("10","6","1","5","7","2","1") = "9"
    & skf18("10","6","1","5","7","3","1") = "9"
    & skf18("10","6","1","5","7","4","1") = "9"
    & skf18("10","6","1","5","7","5","1") = "9"
    & skf18("10","6","1","5","7","6","1") = "9"
    & skf18("10","6","1","5","7","7","1") = "9"
    & skf18("10","6","1","5","7","8","1") = "9"
    & skf18("10","6","1","5","7","9","1") = "9"
    & skf18("10","6","1","5","7","10","1") = "9"
    & skf18("10","6","1","5","8","1","1") = "9"
    & skf18("10","6","1","5","8","2","1") = "9"
    & skf18("10","6","1","5","8","3","1") = "9"
    & skf18("10","6","1","5","8","4","1") = "9"
    & skf18("10","6","1","5","8","5","1") = "9"
    & skf18("10","6","1","5","8","6","1") = "9"
    & skf18("10","6","1","5","8","7","1") = "9"
    & skf18("10","6","1","5","8","8","1") = "9"
    & skf18("10","6","1","5","8","9","1") = "9"
    & skf18("10","6","1","5","8","10","1") = "9"
    & skf18("10","6","1","5","9","1","1") = "9"
    & skf18("10","6","1","5","9","2","1") = "9"
    & skf18("10","6","1","5","9","3","1") = "9"
    & skf18("10","6","1","5","9","4","1") = "9"
    & skf18("10","6","1","5","9","5","1") = "9"
    & skf18("10","6","1","5","9","6","1") = "9"
    & skf18("10","6","1","5","9","7","1") = "9"
    & skf18("10","6","1","5","9","8","1") = "9"
    & skf18("10","6","1","5","9","9","1") = "9"
    & skf18("10","6","1","5","9","10","1") = "9"
    & skf18("10","6","1","5","10","1","1") = "9"
    & skf18("10","6","1","5","10","2","1") = "9"
    & skf18("10","6","1","5","10","3","1") = "9"
    & skf18("10","6","1","5","10","4","1") = "9"
    & skf18("10","6","1","5","10","5","1") = "9"
    & skf18("10","6","1","5","10","6","1") = "9"
    & skf18("10","6","1","5","10","7","1") = "9"
    & skf18("10","6","1","5","10","8","1") = "9"
    & skf18("10","6","1","5","10","9","1") = "9"
    & skf18("10","6","1","5","10","10","1") = "9"
    & skf18("10","6","1","6","1","1","1") = "9"
    & skf18("10","6","1","6","1","2","1") = "9"
    & skf18("10","6","1","6","1","3","1") = "9"
    & skf18("10","6","1","6","1","4","1") = "9"
    & skf18("10","6","1","6","1","5","1") = "9"
    & skf18("10","6","1","6","1","6","1") = "9"
    & skf18("10","6","1","6","1","7","1") = "9"
    & skf18("10","6","1","6","1","8","1") = "9"
    & skf18("10","6","1","6","1","9","1") = "9"
    & skf18("10","6","1","6","1","10","1") = "9"
    & skf18("10","6","1","6","2","1","1") = "9"
    & skf18("10","6","1","6","2","2","1") = "9"
    & skf18("10","6","1","6","2","3","1") = "9"
    & skf18("10","6","1","6","2","4","1") = "9"
    & skf18("10","6","1","6","2","5","1") = "9"
    & skf18("10","6","1","6","2","6","1") = "9"
    & skf18("10","6","1","6","2","7","1") = "9"
    & skf18("10","6","1","6","2","8","1") = "9"
    & skf18("10","6","1","6","2","9","1") = "9"
    & skf18("10","6","1","6","2","10","1") = "9"
    & skf18("10","6","1","6","3","1","1") = "9"
    & skf18("10","6","1","6","3","2","1") = "9"
    & skf18("10","6","1","6","3","3","1") = "9"
    & skf18("10","6","1","6","3","4","1") = "9"
    & skf18("10","6","1","6","3","5","1") = "9"
    & skf18("10","6","1","6","3","6","1") = "9"
    & skf18("10","6","1","6","3","7","1") = "9"
    & skf18("10","6","1","6","3","8","1") = "9"
    & skf18("10","6","1","6","3","9","1") = "9"
    & skf18("10","6","1","6","3","10","1") = "9"
    & skf18("10","6","1","6","4","1","1") = "9"
    & skf18("10","6","1","6","4","2","1") = "9"
    & skf18("10","6","1","6","4","3","1") = "9"
    & skf18("10","6","1","6","4","4","1") = "9"
    & skf18("10","6","1","6","4","5","1") = "9"
    & skf18("10","6","1","6","4","6","1") = "9"
    & skf18("10","6","1","6","4","7","1") = "9"
    & skf18("10","6","1","6","4","8","1") = "9"
    & skf18("10","6","1","6","4","9","1") = "9"
    & skf18("10","6","1","6","4","10","1") = "9"
    & skf18("10","6","1","6","5","1","1") = "9"
    & skf18("10","6","1","6","5","2","1") = "9"
    & skf18("10","6","1","6","5","3","1") = "9"
    & skf18("10","6","1","6","5","4","1") = "9"
    & skf18("10","6","1","6","5","5","1") = "9"
    & skf18("10","6","1","6","5","6","1") = "9"
    & skf18("10","6","1","6","5","7","1") = "9"
    & skf18("10","6","1","6","5","8","1") = "9"
    & skf18("10","6","1","6","5","9","1") = "9"
    & skf18("10","6","1","6","5","10","1") = "9"
    & skf18("10","6","1","6","6","1","1") = "9"
    & skf18("10","6","1","6","6","2","1") = "9"
    & skf18("10","6","1","6","6","3","1") = "9"
    & skf18("10","6","1","6","6","4","1") = "9"
    & skf18("10","6","1","6","6","5","1") = "9"
    & skf18("10","6","1","6","6","6","1") = "9"
    & skf18("10","6","1","6","6","7","1") = "9"
    & skf18("10","6","1","6","6","8","1") = "9"
    & skf18("10","6","1","6","6","9","1") = "9"
    & skf18("10","6","1","6","6","10","1") = "9"
    & skf18("10","6","1","6","7","1","1") = "9"
    & skf18("10","6","1","6","7","2","1") = "9"
    & skf18("10","6","1","6","7","3","1") = "9"
    & skf18("10","6","1","6","7","4","1") = "9"
    & skf18("10","6","1","6","7","5","1") = "9"
    & skf18("10","6","1","6","7","6","1") = "9"
    & skf18("10","6","1","6","7","7","1") = "9"
    & skf18("10","6","1","6","7","8","1") = "9"
    & skf18("10","6","1","6","7","9","1") = "9"
    & skf18("10","6","1","6","7","10","1") = "9"
    & skf18("10","6","1","6","8","1","1") = "9"
    & skf18("10","6","1","6","8","2","1") = "9"
    & skf18("10","6","1","6","8","3","1") = "9"
    & skf18("10","6","1","6","8","4","1") = "9"
    & skf18("10","6","1","6","8","5","1") = "9"
    & skf18("10","6","1","6","8","6","1") = "9"
    & skf18("10","6","1","6","8","7","1") = "9"
    & skf18("10","6","1","6","8","8","1") = "9"
    & skf18("10","6","1","6","8","9","1") = "9"
    & skf18("10","6","1","6","8","10","1") = "9"
    & skf18("10","6","1","6","9","1","1") = "9"
    & skf18("10","6","1","6","9","2","1") = "9"
    & skf18("10","6","1","6","9","3","1") = "9"
    & skf18("10","6","1","6","9","4","1") = "9"
    & skf18("10","6","1","6","9","5","1") = "9"
    & skf18("10","6","1","6","9","6","1") = "9"
    & skf18("10","6","1","6","9","7","1") = "9"
    & skf18("10","6","1","6","9","8","1") = "9"
    & skf18("10","6","1","6","9","9","1") = "9"
    & skf18("10","6","1","6","9","10","1") = "9"
    & skf18("10","6","1","6","10","1","1") = "9"
    & skf18("10","6","1","6","10","2","1") = "9"
    & skf18("10","6","1","6","10","3","1") = "9"
    & skf18("10","6","1","6","10","4","1") = "9"
    & skf18("10","6","1","6","10","5","1") = "9"
    & skf18("10","6","1","6","10","6","1") = "9"
    & skf18("10","6","1","6","10","7","1") = "9"
    & skf18("10","6","1","6","10","8","1") = "9"
    & skf18("10","6","1","6","10","9","1") = "9"
    & skf18("10","6","1","6","10","10","1") = "9"
    & skf18("10","6","1","7","1","1","1") = "9"
    & skf18("10","6","1","7","1","2","1") = "9"
    & skf18("10","6","1","7","1","3","1") = "9"
    & skf18("10","6","1","7","1","4","1") = "9"
    & skf18("10","6","1","7","1","5","1") = "9"
    & skf18("10","6","1","7","1","6","1") = "9"
    & skf18("10","6","1","7","1","7","1") = "9"
    & skf18("10","6","1","7","1","8","1") = "9"
    & skf18("10","6","1","7","1","9","1") = "9"
    & skf18("10","6","1","7","1","10","1") = "9"
    & skf18("10","6","1","7","2","1","1") = "9"
    & skf18("10","6","1","7","2","2","1") = "9"
    & skf18("10","6","1","7","2","3","1") = "9"
    & skf18("10","6","1","7","2","4","1") = "9"
    & skf18("10","6","1","7","2","5","1") = "9"
    & skf18("10","6","1","7","2","6","1") = "9"
    & skf18("10","6","1","7","2","7","1") = "9"
    & skf18("10","6","1","7","2","8","1") = "9"
    & skf18("10","6","1","7","2","9","1") = "9"
    & skf18("10","6","1","7","2","10","1") = "9"
    & skf18("10","6","1","7","3","1","1") = "9"
    & skf18("10","6","1","7","3","2","1") = "9"
    & skf18("10","6","1","7","3","3","1") = "9"
    & skf18("10","6","1","7","3","4","1") = "9"
    & skf18("10","6","1","7","3","5","1") = "9"
    & skf18("10","6","1","7","3","6","1") = "9"
    & skf18("10","6","1","7","3","7","1") = "9"
    & skf18("10","6","1","7","3","8","1") = "9"
    & skf18("10","6","1","7","3","9","1") = "9"
    & skf18("10","6","1","7","3","10","1") = "9"
    & skf18("10","6","1","7","4","1","1") = "9"
    & skf18("10","6","1","7","4","2","1") = "9"
    & skf18("10","6","1","7","4","3","1") = "9"
    & skf18("10","6","1","7","4","4","1") = "9"
    & skf18("10","6","1","7","4","5","1") = "9"
    & skf18("10","6","1","7","4","6","1") = "9"
    & skf18("10","6","1","7","4","7","1") = "9"
    & skf18("10","6","1","7","4","8","1") = "9"
    & skf18("10","6","1","7","4","9","1") = "9"
    & skf18("10","6","1","7","4","10","1") = "9"
    & skf18("10","6","1","7","5","1","1") = "9"
    & skf18("10","6","1","7","5","2","1") = "9"
    & skf18("10","6","1","7","5","3","1") = "9"
    & skf18("10","6","1","7","5","4","1") = "9"
    & skf18("10","6","1","7","5","5","1") = "9"
    & skf18("10","6","1","7","5","6","1") = "9"
    & skf18("10","6","1","7","5","7","1") = "9"
    & skf18("10","6","1","7","5","8","1") = "9"
    & skf18("10","6","1","7","5","9","1") = "9"
    & skf18("10","6","1","7","5","10","1") = "9"
    & skf18("10","6","1","7","6","1","1") = "9"
    & skf18("10","6","1","7","6","2","1") = "9"
    & skf18("10","6","1","7","6","3","1") = "9"
    & skf18("10","6","1","7","6","4","1") = "9"
    & skf18("10","6","1","7","6","5","1") = "9"
    & skf18("10","6","1","7","6","6","1") = "9"
    & skf18("10","6","1","7","6","7","1") = "9"
    & skf18("10","6","1","7","6","8","1") = "9"
    & skf18("10","6","1","7","6","9","1") = "9"
    & skf18("10","6","1","7","6","10","1") = "9"
    & skf18("10","6","1","7","7","1","1") = "9"
    & skf18("10","6","1","7","7","2","1") = "9"
    & skf18("10","6","1","7","7","3","1") = "9"
    & skf18("10","6","1","7","7","4","1") = "9"
    & skf18("10","6","1","7","7","5","1") = "9"
    & skf18("10","6","1","7","7","6","1") = "9"
    & skf18("10","6","1","7","7","7","1") = "9"
    & skf18("10","6","1","7","7","8","1") = "9"
    & skf18("10","6","1","7","7","9","1") = "9"
    & skf18("10","6","1","7","7","10","1") = "9"
    & skf18("10","6","1","7","8","1","1") = "9"
    & skf18("10","6","1","7","8","2","1") = "9"
    & skf18("10","6","1","7","8","3","1") = "9"
    & skf18("10","6","1","7","8","4","1") = "9"
    & skf18("10","6","1","7","8","5","1") = "9"
    & skf18("10","6","1","7","8","6","1") = "9"
    & skf18("10","6","1","7","8","7","1") = "9"
    & skf18("10","6","1","7","8","8","1") = "9"
    & skf18("10","6","1","7","8","9","1") = "9"
    & skf18("10","6","1","7","8","10","1") = "9"
    & skf18("10","6","1","7","9","1","1") = "9"
    & skf18("10","6","1","7","9","2","1") = "9"
    & skf18("10","6","1","7","9","3","1") = "9"
    & skf18("10","6","1","7","9","4","1") = "9"
    & skf18("10","6","1","7","9","5","1") = "9"
    & skf18("10","6","1","7","9","6","1") = "9"
    & skf18("10","6","1","7","9","7","1") = "9"
    & skf18("10","6","1","7","9","8","1") = "9"
    & skf18("10","6","1","7","9","9","1") = "9"
    & skf18("10","6","1","7","9","10","1") = "9"
    & skf18("10","6","1","7","10","1","1") = "9"
    & skf18("10","6","1","7","10","2","1") = "9"
    & skf18("10","6","1","7","10","3","1") = "9"
    & skf18("10","6","1","7","10","4","1") = "9"
    & skf18("10","6","1","7","10","5","1") = "9"
    & skf18("10","6","1","7","10","6","1") = "9"
    & skf18("10","6","1","7","10","7","1") = "9"
    & skf18("10","6","1","7","10","8","1") = "9"
    & skf18("10","6","1","7","10","9","1") = "9"
    & skf18("10","6","1","7","10","10","1") = "9"
    & skf18("10","6","1","8","1","1","1") = "9"
    & skf18("10","6","1","8","1","2","1") = "9"
    & skf18("10","6","1","8","1","3","1") = "9"
    & skf18("10","6","1","8","1","4","1") = "9"
    & skf18("10","6","1","8","1","5","1") = "9"
    & skf18("10","6","1","8","1","6","1") = "9"
    & skf18("10","6","1","8","1","7","1") = "9"
    & skf18("10","6","1","8","1","8","1") = "9"
    & skf18("10","6","1","8","1","9","1") = "9"
    & skf18("10","6","1","8","1","10","1") = "9"
    & skf18("10","6","1","8","2","1","1") = "9"
    & skf18("10","6","1","8","2","2","1") = "9"
    & skf18("10","6","1","8","2","3","1") = "9"
    & skf18("10","6","1","8","2","4","1") = "9"
    & skf18("10","6","1","8","2","5","1") = "9"
    & skf18("10","6","1","8","2","6","1") = "9"
    & skf18("10","6","1","8","2","7","1") = "9"
    & skf18("10","6","1","8","2","8","1") = "9"
    & skf18("10","6","1","8","2","9","1") = "9"
    & skf18("10","6","1","8","2","10","1") = "9"
    & skf18("10","6","1","8","3","1","1") = "9"
    & skf18("10","6","1","8","3","2","1") = "9"
    & skf18("10","6","1","8","3","3","1") = "9"
    & skf18("10","6","1","8","3","4","1") = "9"
    & skf18("10","6","1","8","3","5","1") = "9"
    & skf18("10","6","1","8","3","6","1") = "9"
    & skf18("10","6","1","8","3","7","1") = "9"
    & skf18("10","6","1","8","3","8","1") = "9"
    & skf18("10","6","1","8","3","9","1") = "9"
    & skf18("10","6","1","8","3","10","1") = "9"
    & skf18("10","6","1","8","4","1","1") = "9"
    & skf18("10","6","1","8","4","2","1") = "9"
    & skf18("10","6","1","8","4","3","1") = "9"
    & skf18("10","6","1","8","4","4","1") = "9"
    & skf18("10","6","1","8","4","5","1") = "9"
    & skf18("10","6","1","8","4","6","1") = "9"
    & skf18("10","6","1","8","4","7","1") = "9"
    & skf18("10","6","1","8","4","8","1") = "9"
    & skf18("10","6","1","8","4","9","1") = "9"
    & skf18("10","6","1","8","4","10","1") = "9"
    & skf18("10","6","1","8","5","1","1") = "9"
    & skf18("10","6","1","8","5","2","1") = "9"
    & skf18("10","6","1","8","5","3","1") = "9"
    & skf18("10","6","1","8","5","4","1") = "9"
    & skf18("10","6","1","8","5","5","1") = "9"
    & skf18("10","6","1","8","5","6","1") = "9"
    & skf18("10","6","1","8","5","7","1") = "9"
    & skf18("10","6","1","8","5","8","1") = "9"
    & skf18("10","6","1","8","5","9","1") = "9"
    & skf18("10","6","1","8","5","10","1") = "9"
    & skf18("10","6","1","8","6","1","1") = "9"
    & skf18("10","6","1","8","6","2","1") = "9"
    & skf18("10","6","1","8","6","3","1") = "9"
    & skf18("10","6","1","8","6","4","1") = "9"
    & skf18("10","6","1","8","6","5","1") = "9"
    & skf18("10","6","1","8","6","6","1") = "9"
    & skf18("10","6","1","8","6","7","1") = "9"
    & skf18("10","6","1","8","6","8","1") = "9"
    & skf18("10","6","1","8","6","9","1") = "9"
    & skf18("10","6","1","8","6","10","1") = "9"
    & skf18("10","6","1","8","7","1","1") = "9"
    & skf18("10","6","1","8","7","2","1") = "9"
    & skf18("10","6","1","8","7","3","1") = "9"
    & skf18("10","6","1","8","7","4","1") = "9"
    & skf18("10","6","1","8","7","5","1") = "9"
    & skf18("10","6","1","8","7","6","1") = "9"
    & skf18("10","6","1","8","7","7","1") = "9"
    & skf18("10","6","1","8","7","8","1") = "9"
    & skf18("10","6","1","8","7","9","1") = "9"
    & skf18("10","6","1","8","7","10","1") = "9"
    & skf18("10","6","1","8","8","1","1") = "9"
    & skf18("10","6","1","8","8","2","1") = "9"
    & skf18("10","6","1","8","8","3","1") = "9"
    & skf18("10","6","1","8","8","4","1") = "9"
    & skf18("10","6","1","8","8","5","1") = "9"
    & skf18("10","6","1","8","8","6","1") = "9"
    & skf18("10","6","1","8","8","7","1") = "9"
    & skf18("10","6","1","8","8","8","1") = "9"
    & skf18("10","6","1","8","8","9","1") = "9"
    & skf18("10","6","1","8","8","10","1") = "9"
    & skf18("10","6","1","8","9","1","1") = "9"
    & skf18("10","6","1","8","9","2","1") = "9"
    & skf18("10","6","1","8","9","3","1") = "9"
    & skf18("10","6","1","8","9","4","1") = "9"
    & skf18("10","6","1","8","9","5","1") = "9"
    & skf18("10","6","1","8","9","6","1") = "9"
    & skf18("10","6","1","8","9","7","1") = "9"
    & skf18("10","6","1","8","9","8","1") = "9"
    & skf18("10","6","1","8","9","9","1") = "9"
    & skf18("10","6","1","8","9","10","1") = "9"
    & skf18("10","6","1","8","10","1","1") = "9"
    & skf18("10","6","1","8","10","2","1") = "9"
    & skf18("10","6","1","8","10","3","1") = "9"
    & skf18("10","6","1","8","10","4","1") = "9"
    & skf18("10","6","1","8","10","5","1") = "9"
    & skf18("10","6","1","8","10","6","1") = "9"
    & skf18("10","6","1","8","10","7","1") = "9"
    & skf18("10","6","1","8","10","8","1") = "9"
    & skf18("10","6","1","8","10","9","1") = "9"
    & skf18("10","6","1","8","10","10","1") = "9"
    & skf18("10","6","1","9","1","1","1") = "9"
    & skf18("10","6","1","9","1","2","1") = "9"
    & skf18("10","6","1","9","1","3","1") = "9"
    & skf18("10","6","1","9","1","4","1") = "9"
    & skf18("10","6","1","9","1","5","1") = "9"
    & skf18("10","6","1","9","1","6","1") = "9"
    & skf18("10","6","1","9","1","7","1") = "9"
    & skf18("10","6","1","9","1","8","1") = "9"
    & skf18("10","6","1","9","1","9","1") = "9"
    & skf18("10","6","1","9","1","10","1") = "9"
    & skf18("10","6","1","9","2","1","1") = "9"
    & skf18("10","6","1","9","2","2","1") = "9"
    & skf18("10","6","1","9","2","3","1") = "9"
    & skf18("10","6","1","9","2","4","1") = "9"
    & skf18("10","6","1","9","2","5","1") = "9"
    & skf18("10","6","1","9","2","6","1") = "9"
    & skf18("10","6","1","9","2","7","1") = "9"
    & skf18("10","6","1","9","2","8","1") = "9"
    & skf18("10","6","1","9","2","9","1") = "9"
    & skf18("10","6","1","9","2","10","1") = "9"
    & skf18("10","6","1","9","3","1","1") = "9"
    & skf18("10","6","1","9","3","2","1") = "9"
    & skf18("10","6","1","9","3","3","1") = "9"
    & skf18("10","6","1","9","3","4","1") = "9"
    & skf18("10","6","1","9","3","5","1") = "9"
    & skf18("10","6","1","9","3","6","1") = "9"
    & skf18("10","6","1","9","3","7","1") = "9"
    & skf18("10","6","1","9","3","8","1") = "9"
    & skf18("10","6","1","9","3","9","1") = "9"
    & skf18("10","6","1","9","3","10","1") = "9"
    & skf18("10","6","1","9","4","1","1") = "9"
    & skf18("10","6","1","9","4","2","1") = "9"
    & skf18("10","6","1","9","4","3","1") = "9"
    & skf18("10","6","1","9","4","4","1") = "9"
    & skf18("10","6","1","9","4","5","1") = "9"
    & skf18("10","6","1","9","4","6","1") = "9"
    & skf18("10","6","1","9","4","7","1") = "9"
    & skf18("10","6","1","9","4","8","1") = "9"
    & skf18("10","6","1","9","4","9","1") = "9"
    & skf18("10","6","1","9","4","10","1") = "9"
    & skf18("10","6","1","9","5","1","1") = "9"
    & skf18("10","6","1","9","5","2","1") = "9"
    & skf18("10","6","1","9","5","3","1") = "9"
    & skf18("10","6","1","9","5","4","1") = "9"
    & skf18("10","6","1","9","5","5","1") = "9"
    & skf18("10","6","1","9","5","6","1") = "9"
    & skf18("10","6","1","9","5","7","1") = "9"
    & skf18("10","6","1","9","5","8","1") = "9"
    & skf18("10","6","1","9","5","9","1") = "9"
    & skf18("10","6","1","9","5","10","1") = "9"
    & skf18("10","6","1","9","6","1","1") = "9"
    & skf18("10","6","1","9","6","2","1") = "9"
    & skf18("10","6","1","9","6","3","1") = "9"
    & skf18("10","6","1","9","6","4","1") = "9"
    & skf18("10","6","1","9","6","5","1") = "9"
    & skf18("10","6","1","9","6","6","1") = "9"
    & skf18("10","6","1","9","6","7","1") = "9"
    & skf18("10","6","1","9","6","8","1") = "9"
    & skf18("10","6","1","9","6","9","1") = "9"
    & skf18("10","6","1","9","6","10","1") = "9"
    & skf18("10","6","1","9","7","1","1") = "9"
    & skf18("10","6","1","9","7","2","1") = "9"
    & skf18("10","6","1","9","7","3","1") = "9"
    & skf18("10","6","1","9","7","4","1") = "9"
    & skf18("10","6","1","9","7","5","1") = "9"
    & skf18("10","6","1","9","7","6","1") = "9"
    & skf18("10","6","1","9","7","7","1") = "9"
    & skf18("10","6","1","9","7","8","1") = "9"
    & skf18("10","6","1","9","7","9","1") = "9"
    & skf18("10","6","1","9","7","10","1") = "9"
    & skf18("10","6","1","9","8","1","1") = "9"
    & skf18("10","6","1","9","8","2","1") = "9"
    & skf18("10","6","1","9","8","3","1") = "9"
    & skf18("10","6","1","9","8","4","1") = "9"
    & skf18("10","6","1","9","8","5","1") = "9"
    & skf18("10","6","1","9","8","6","1") = "9"
    & skf18("10","6","1","9","8","7","1") = "9"
    & skf18("10","6","1","9","8","8","1") = "9"
    & skf18("10","6","1","9","8","9","1") = "9"
    & skf18("10","6","1","9","8","10","1") = "9"
    & skf18("10","6","1","9","9","1","1") = "9"
    & skf18("10","6","1","9","9","2","1") = "9"
    & skf18("10","6","1","9","9","3","1") = "9"
    & skf18("10","6","1","9","9","4","1") = "9"
    & skf18("10","6","1","9","9","5","1") = "9"
    & skf18("10","6","1","9","9","6","1") = "9"
    & skf18("10","6","1","9","9","7","1") = "9"
    & skf18("10","6","1","9","9","8","1") = "9"
    & skf18("10","6","1","9","9","9","1") = "9"
    & skf18("10","6","1","9","9","10","1") = "9"
    & skf18("10","6","1","9","10","1","1") = "9"
    & skf18("10","6","1","9","10","2","1") = "9"
    & skf18("10","6","1","9","10","3","1") = "9"
    & skf18("10","6","1","9","10","4","1") = "9"
    & skf18("10","6","1","9","10","5","1") = "9"
    & skf18("10","6","1","9","10","6","1") = "9"
    & skf18("10","6","1","9","10","7","1") = "9"
    & skf18("10","6","1","9","10","8","1") = "9"
    & skf18("10","6","1","9","10","9","1") = "9"
    & skf18("10","6","1","9","10","10","1") = "9"
    & skf18("10","6","1","10","1","1","1") = "9"
    & skf18("10","6","1","10","1","2","1") = "9"
    & skf18("10","6","1","10","1","3","1") = "9"
    & skf18("10","6","1","10","1","4","1") = "9"
    & skf18("10","6","1","10","1","5","1") = "9"
    & skf18("10","6","1","10","1","6","1") = "9"
    & skf18("10","6","1","10","1","7","1") = "9"
    & skf18("10","6","1","10","1","8","1") = "9"
    & skf18("10","6","1","10","1","9","1") = "9"
    & skf18("10","6","1","10","1","10","1") = "9"
    & skf18("10","6","1","10","2","1","1") = "9"
    & skf18("10","6","1","10","2","2","1") = "9"
    & skf18("10","6","1","10","2","3","1") = "9"
    & skf18("10","6","1","10","2","4","1") = "9"
    & skf18("10","6","1","10","2","5","1") = "9"
    & skf18("10","6","1","10","2","6","1") = "9"
    & skf18("10","6","1","10","2","7","1") = "9"
    & skf18("10","6","1","10","2","8","1") = "9"
    & skf18("10","6","1","10","2","9","1") = "9"
    & skf18("10","6","1","10","2","10","1") = "9"
    & skf18("10","6","1","10","3","1","1") = "9"
    & skf18("10","6","1","10","3","2","1") = "9"
    & skf18("10","6","1","10","3","3","1") = "9"
    & skf18("10","6","1","10","3","4","1") = "9"
    & skf18("10","6","1","10","3","5","1") = "9"
    & skf18("10","6","1","10","3","6","1") = "9"
    & skf18("10","6","1","10","3","7","1") = "9"
    & skf18("10","6","1","10","3","8","1") = "9"
    & skf18("10","6","1","10","3","9","1") = "9"
    & skf18("10","6","1","10","3","10","1") = "9"
    & skf18("10","6","1","10","4","1","1") = "9"
    & skf18("10","6","1","10","4","2","1") = "9"
    & skf18("10","6","1","10","4","3","1") = "9"
    & skf18("10","6","1","10","4","4","1") = "9"
    & skf18("10","6","1","10","4","5","1") = "9"
    & skf18("10","6","1","10","4","6","1") = "9"
    & skf18("10","6","1","10","4","7","1") = "9"
    & skf18("10","6","1","10","4","8","1") = "9"
    & skf18("10","6","1","10","4","9","1") = "9"
    & skf18("10","6","1","10","4","10","1") = "9"
    & skf18("10","6","1","10","5","1","1") = "9"
    & skf18("10","6","1","10","5","2","1") = "9"
    & skf18("10","6","1","10","5","3","1") = "9"
    & skf18("10","6","1","10","5","4","1") = "9"
    & skf18("10","6","1","10","5","5","1") = "9"
    & skf18("10","6","1","10","5","6","1") = "9"
    & skf18("10","6","1","10","5","7","1") = "9"
    & skf18("10","6","1","10","5","8","1") = "9"
    & skf18("10","6","1","10","5","9","1") = "9"
    & skf18("10","6","1","10","5","10","1") = "9"
    & skf18("10","6","1","10","6","1","1") = "9"
    & skf18("10","6","1","10","6","2","1") = "9"
    & skf18("10","6","1","10","6","3","1") = "9"
    & skf18("10","6","1","10","6","4","1") = "9"
    & skf18("10","6","1","10","6","5","1") = "9"
    & skf18("10","6","1","10","6","6","1") = "9"
    & skf18("10","6","1","10","6","7","1") = "9"
    & skf18("10","6","1","10","6","8","1") = "9"
    & skf18("10","6","1","10","6","9","1") = "9"
    & skf18("10","6","1","10","6","10","1") = "9"
    & skf18("10","6","1","10","7","1","1") = "9"
    & skf18("10","6","1","10","7","2","1") = "9"
    & skf18("10","6","1","10","7","3","1") = "9"
    & skf18("10","6","1","10","7","4","1") = "9"
    & skf18("10","6","1","10","7","5","1") = "9"
    & skf18("10","6","1","10","7","6","1") = "9"
    & skf18("10","6","1","10","7","7","1") = "9"
    & skf18("10","6","1","10","7","8","1") = "9"
    & skf18("10","6","1","10","7","9","1") = "9"
    & skf18("10","6","1","10","7","10","1") = "9"
    & skf18("10","6","1","10","8","1","1") = "9"
    & skf18("10","6","1","10","8","2","1") = "9"
    & skf18("10","6","1","10","8","3","1") = "9"
    & skf18("10","6","1","10","8","4","1") = "9"
    & skf18("10","6","1","10","8","5","1") = "9"
    & skf18("10","6","1","10","8","6","1") = "9"
    & skf18("10","6","1","10","8","7","1") = "9"
    & skf18("10","6","1","10","8","8","1") = "9"
    & skf18("10","6","1","10","8","9","1") = "9"
    & skf18("10","6","1","10","8","10","1") = "9"
    & skf18("10","6","1","10","9","1","1") = "9"
    & skf18("10","6","1","10","9","2","1") = "9"
    & skf18("10","6","1","10","9","3","1") = "9"
    & skf18("10","6","1","10","9","4","1") = "9"
    & skf18("10","6","1","10","9","5","1") = "9"
    & skf18("10","6","1","10","9","6","1") = "9"
    & skf18("10","6","1","10","9","7","1") = "9"
    & skf18("10","6","1","10","9","8","1") = "9"
    & skf18("10","6","1","10","9","9","1") = "9"
    & skf18("10","6","1","10","9","10","1") = "9"
    & skf18("10","6","1","10","10","1","1") = "9"
    & skf18("10","6","1","10","10","2","1") = "9"
    & skf18("10","6","1","10","10","3","1") = "9"
    & skf18("10","6","1","10","10","4","1") = "9"
    & skf18("10","6","1","10","10","5","1") = "9"
    & skf18("10","6","1","10","10","6","1") = "9"
    & skf18("10","6","1","10","10","7","1") = "9"
    & skf18("10","6","1","10","10","8","1") = "9"
    & skf18("10","6","1","10","10","9","1") = "9"
    & skf18("10","6","1","10","10","10","1") = "9"
    & skf18("10","6","2","1","1","1","1") = "9"
    & skf18("10","6","2","1","1","2","1") = "9"
    & skf18("10","6","2","1","1","3","1") = "9"
    & skf18("10","6","2","1","1","4","1") = "9"
    & skf18("10","6","2","1","1","5","1") = "9"
    & skf18("10","6","2","1","1","6","1") = "9"
    & skf18("10","6","2","1","1","7","1") = "9"
    & skf18("10","6","2","1","1","8","1") = "9"
    & skf18("10","6","2","1","1","9","1") = "9"
    & skf18("10","6","2","1","1","10","1") = "9"
    & skf18("10","6","2","1","2","1","1") = "9"
    & skf18("10","6","2","1","2","2","1") = "9"
    & skf18("10","6","2","1","2","3","1") = "9"
    & skf18("10","6","2","1","2","4","1") = "9"
    & skf18("10","6","2","1","2","5","1") = "9"
    & skf18("10","6","2","1","2","6","1") = "9"
    & skf18("10","6","2","1","2","7","1") = "9"
    & skf18("10","6","2","1","2","8","1") = "9"
    & skf18("10","6","2","1","2","9","1") = "9"
    & skf18("10","6","2","1","2","10","1") = "9"
    & skf18("10","6","2","1","3","1","1") = "9"
    & skf18("10","6","2","1","3","2","1") = "9"
    & skf18("10","6","2","1","3","3","1") = "9"
    & skf18("10","6","2","1","3","4","1") = "9"
    & skf18("10","6","2","1","3","5","1") = "9"
    & skf18("10","6","2","1","3","6","1") = "9"
    & skf18("10","6","2","1","3","7","1") = "9"
    & skf18("10","6","2","1","3","8","1") = "9"
    & skf18("10","6","2","1","3","9","1") = "9"
    & skf18("10","6","2","1","3","10","1") = "9"
    & skf18("10","6","2","1","4","1","1") = "9"
    & skf18("10","6","2","1","4","2","1") = "9"
    & skf18("10","6","2","1","4","3","1") = "9"
    & skf18("10","6","2","1","4","4","1") = "9"
    & skf18("10","6","2","1","4","5","1") = "9"
    & skf18("10","6","2","1","4","6","1") = "9"
    & skf18("10","6","2","1","4","7","1") = "9"
    & skf18("10","6","2","1","4","8","1") = "9"
    & skf18("10","6","2","1","4","9","1") = "9"
    & skf18("10","6","2","1","4","10","1") = "9"
    & skf18("10","6","2","1","5","1","1") = "9"
    & skf18("10","6","2","1","5","2","1") = "9"
    & skf18("10","6","2","1","5","3","1") = "9"
    & skf18("10","6","2","1","5","4","1") = "9"
    & skf18("10","6","2","1","5","5","1") = "9"
    & skf18("10","6","2","1","5","6","1") = "9"
    & skf18("10","6","2","1","5","7","1") = "9"
    & skf18("10","6","2","1","5","8","1") = "9"
    & skf18("10","6","2","1","5","9","1") = "9"
    & skf18("10","6","2","1","5","10","1") = "9"
    & skf18("10","6","2","1","6","1","1") = "9"
    & skf18("10","6","2","1","6","2","1") = "9"
    & skf18("10","6","2","1","6","3","1") = "9"
    & skf18("10","6","2","1","6","4","1") = "9"
    & skf18("10","6","2","1","6","5","1") = "9"
    & skf18("10","6","2","1","6","6","1") = "9"
    & skf18("10","6","2","1","6","7","1") = "9"
    & skf18("10","6","2","1","6","8","1") = "9"
    & skf18("10","6","2","1","6","9","1") = "9"
    & skf18("10","6","2","1","6","10","1") = "9"
    & skf18("10","6","2","1","7","1","1") = "9"
    & skf18("10","6","2","1","7","2","1") = "9"
    & skf18("10","6","2","1","7","3","1") = "9"
    & skf18("10","6","2","1","7","4","1") = "9"
    & skf18("10","6","2","1","7","5","1") = "9"
    & skf18("10","6","2","1","7","6","1") = "9"
    & skf18("10","6","2","1","7","7","1") = "9"
    & skf18("10","6","2","1","7","8","1") = "9"
    & skf18("10","6","2","1","7","9","1") = "9"
    & skf18("10","6","2","1","7","10","1") = "9"
    & skf18("10","6","2","1","8","1","1") = "9"
    & skf18("10","6","2","1","8","2","1") = "9"
    & skf18("10","6","2","1","8","3","1") = "9"
    & skf18("10","6","2","1","8","4","1") = "9"
    & skf18("10","6","2","1","8","5","1") = "9"
    & skf18("10","6","2","1","8","6","1") = "9"
    & skf18("10","6","2","1","8","7","1") = "9"
    & skf18("10","6","2","1","8","8","1") = "9"
    & skf18("10","6","2","1","8","9","1") = "9"
    & skf18("10","6","2","1","8","10","1") = "9"
    & skf18("10","6","2","1","9","1","1") = "9"
    & skf18("10","6","2","1","9","2","1") = "9"
    & skf18("10","6","2","1","9","3","1") = "9"
    & skf18("10","6","2","1","9","4","1") = "9"
    & skf18("10","6","2","1","9","5","1") = "9"
    & skf18("10","6","2","1","9","6","1") = "9"
    & skf18("10","6","2","1","9","7","1") = "9"
    & skf18("10","6","2","1","9","8","1") = "9"
    & skf18("10","6","2","1","9","9","1") = "9"
    & skf18("10","6","2","1","9","10","1") = "9"
    & skf18("10","6","2","1","10","1","1") = "9"
    & skf18("10","6","2","1","10","2","1") = "9"
    & skf18("10","6","2","1","10","3","1") = "9"
    & skf18("10","6","2","1","10","4","1") = "9"
    & skf18("10","6","2","1","10","5","1") = "9"
    & skf18("10","6","2","1","10","6","1") = "9"
    & skf18("10","6","2","1","10","7","1") = "9"
    & skf18("10","6","2","1","10","8","1") = "9"
    & skf18("10","6","2","1","10","9","1") = "9"
    & skf18("10","6","2","1","10","10","1") = "9"
    & skf18("10","6","2","2","1","1","1") = "9"
    & skf18("10","6","2","2","1","2","1") = "9"
    & skf18("10","6","2","2","1","3","1") = "9"
    & skf18("10","6","2","2","1","4","1") = "9"
    & skf18("10","6","2","2","1","5","1") = "9"
    & skf18("10","6","2","2","1","6","1") = "9"
    & skf18("10","6","2","2","1","7","1") = "9"
    & skf18("10","6","2","2","1","8","1") = "9"
    & skf18("10","6","2","2","1","9","1") = "9"
    & skf18("10","6","2","2","1","10","1") = "9"
    & skf18("10","6","2","2","2","1","1") = "9"
    & skf18("10","6","2","2","2","2","1") = "9"
    & skf18("10","6","2","2","2","3","1") = "9"
    & skf18("10","6","2","2","2","4","1") = "9"
    & skf18("10","6","2","2","2","5","1") = "9"
    & skf18("10","6","2","2","2","6","1") = "9"
    & skf18("10","6","2","2","2","7","1") = "9"
    & skf18("10","6","2","2","2","8","1") = "9"
    & skf18("10","6","2","2","2","9","1") = "9"
    & skf18("10","6","2","2","2","10","1") = "9"
    & skf18("10","6","2","2","3","1","1") = "9"
    & skf18("10","6","2","2","3","2","1") = "9"
    & skf18("10","6","2","2","3","3","1") = "9"
    & skf18("10","6","2","2","3","4","1") = "9"
    & skf18("10","6","2","2","3","5","1") = "9"
    & skf18("10","6","2","2","3","6","1") = "9"
    & skf18("10","6","2","2","3","7","1") = "9"
    & skf18("10","6","2","2","3","8","1") = "9"
    & skf18("10","6","2","2","3","9","1") = "9"
    & skf18("10","6","2","2","3","10","1") = "9"
    & skf18("10","6","2","2","4","1","1") = "9"
    & skf18("10","6","2","2","4","2","1") = "9"
    & skf18("10","6","2","2","4","3","1") = "9"
    & skf18("10","6","2","2","4","4","1") = "9"
    & skf18("10","6","2","2","4","5","1") = "9"
    & skf18("10","6","2","2","4","6","1") = "9"
    & skf18("10","6","2","2","4","7","1") = "9"
    & skf18("10","6","2","2","4","8","1") = "9"
    & skf18("10","6","2","2","4","9","1") = "9"
    & skf18("10","6","2","2","4","10","1") = "9"
    & skf18("10","6","2","2","5","1","1") = "9"
    & skf18("10","6","2","2","5","2","1") = "9"
    & skf18("10","6","2","2","5","3","1") = "9"
    & skf18("10","6","2","2","5","4","1") = "9"
    & skf18("10","6","2","2","5","5","1") = "9"
    & skf18("10","6","2","2","5","6","1") = "9"
    & skf18("10","6","2","2","5","7","1") = "9"
    & skf18("10","6","2","2","5","8","1") = "9"
    & skf18("10","6","2","2","5","9","1") = "9"
    & skf18("10","6","2","2","5","10","1") = "9"
    & skf18("10","6","2","2","6","1","1") = "9"
    & skf18("10","6","2","2","6","2","1") = "9"
    & skf18("10","6","2","2","6","3","1") = "9"
    & skf18("10","6","2","2","6","4","1") = "9"
    & skf18("10","6","2","2","6","5","1") = "9"
    & skf18("10","6","2","2","6","6","1") = "9"
    & skf18("10","6","2","2","6","7","1") = "9"
    & skf18("10","6","2","2","6","8","1") = "9"
    & skf18("10","6","2","2","6","9","1") = "9"
    & skf18("10","6","2","2","6","10","1") = "9"
    & skf18("10","6","2","2","7","1","1") = "9"
    & skf18("10","6","2","2","7","2","1") = "9"
    & skf18("10","6","2","2","7","3","1") = "9"
    & skf18("10","6","2","2","7","4","1") = "9"
    & skf18("10","6","2","2","7","5","1") = "9"
    & skf18("10","6","2","2","7","6","1") = "9"
    & skf18("10","6","2","2","7","7","1") = "9"
    & skf18("10","6","2","2","7","8","1") = "9"
    & skf18("10","6","2","2","7","9","1") = "9"
    & skf18("10","6","2","2","7","10","1") = "9"
    & skf18("10","6","2","2","8","1","1") = "9"
    & skf18("10","6","2","2","8","2","1") = "9"
    & skf18("10","6","2","2","8","3","1") = "9"
    & skf18("10","6","2","2","8","4","1") = "9"
    & skf18("10","6","2","2","8","5","1") = "9"
    & skf18("10","6","2","2","8","6","1") = "9"
    & skf18("10","6","2","2","8","7","1") = "9"
    & skf18("10","6","2","2","8","8","1") = "9"
    & skf18("10","6","2","2","8","9","1") = "9"
    & skf18("10","6","2","2","8","10","1") = "9"
    & skf18("10","6","2","2","9","1","1") = "9"
    & skf18("10","6","2","2","9","2","1") = "9"
    & skf18("10","6","2","2","9","3","1") = "9"
    & skf18("10","6","2","2","9","4","1") = "9"
    & skf18("10","6","2","2","9","5","1") = "9"
    & skf18("10","6","2","2","9","6","1") = "9"
    & skf18("10","6","2","2","9","7","1") = "9"
    & skf18("10","6","2","2","9","8","1") = "9"
    & skf18("10","6","2","2","9","9","1") = "9"
    & skf18("10","6","2","2","9","10","1") = "9"
    & skf18("10","6","2","2","10","1","1") = "9"
    & skf18("10","6","2","2","10","2","1") = "9"
    & skf18("10","6","2","2","10","3","1") = "9"
    & skf18("10","6","2","2","10","4","1") = "9"
    & skf18("10","6","2","2","10","5","1") = "9"
    & skf18("10","6","2","2","10","6","1") = "9"
    & skf18("10","6","2","2","10","7","1") = "9"
    & skf18("10","6","2","2","10","8","1") = "9"
    & skf18("10","6","2","2","10","9","1") = "9"
    & skf18("10","6","2","2","10","10","1") = "9"
    & skf18("10","6","2","3","1","1","1") = "9"
    & skf18("10","6","2","3","1","2","1") = "9"
    & skf18("10","6","2","3","1","3","1") = "9"
    & skf18("10","6","2","3","1","4","1") = "9"
    & skf18("10","6","2","3","1","5","1") = "9"
    & skf18("10","6","2","3","1","6","1") = "9"
    & skf18("10","6","2","3","1","7","1") = "9"
    & skf18("10","6","2","3","1","8","1") = "9"
    & skf18("10","6","2","3","1","9","1") = "9"
    & skf18("10","6","2","3","1","10","1") = "9"
    & skf18("10","6","2","3","2","1","1") = "9"
    & skf18("10","6","2","3","2","2","1") = "9"
    & skf18("10","6","2","3","2","3","1") = "9"
    & skf18("10","6","2","3","2","4","1") = "9"
    & skf18("10","6","2","3","2","5","1") = "9"
    & skf18("10","6","2","3","2","6","1") = "9"
    & skf18("10","6","2","3","2","7","1") = "9"
    & skf18("10","6","2","3","2","8","1") = "9"
    & skf18("10","6","2","3","2","9","1") = "9"
    & skf18("10","6","2","3","2","10","1") = "9"
    & skf18("10","6","2","3","3","1","1") = "9"
    & skf18("10","6","2","3","3","2","1") = "9"
    & skf18("10","6","2","3","3","3","1") = "9"
    & skf18("10","6","2","3","3","4","1") = "9"
    & skf18("10","6","2","3","3","5","1") = "9"
    & skf18("10","6","2","3","3","6","1") = "9"
    & skf18("10","6","2","3","3","7","1") = "9"
    & skf18("10","6","2","3","3","8","1") = "9"
    & skf18("10","6","2","3","3","9","1") = "9"
    & skf18("10","6","2","3","3","10","1") = "9"
    & skf18("10","6","2","3","4","1","1") = "9"
    & skf18("10","6","2","3","4","2","1") = "9"
    & skf18("10","6","2","3","4","3","1") = "9"
    & skf18("10","6","2","3","4","4","1") = "9"
    & skf18("10","6","2","3","4","5","1") = "9"
    & skf18("10","6","2","3","4","6","1") = "9"
    & skf18("10","6","2","3","4","7","1") = "9"
    & skf18("10","6","2","3","4","8","1") = "9"
    & skf18("10","6","2","3","4","9","1") = "9"
    & skf18("10","6","2","3","4","10","1") = "9"
    & skf18("10","6","2","3","5","1","1") = "9"
    & skf18("10","6","2","3","5","2","1") = "9"
    & skf18("10","6","2","3","5","3","1") = "9"
    & skf18("10","6","2","3","5","4","1") = "9"
    & skf18("10","6","2","3","5","5","1") = "9"
    & skf18("10","6","2","3","5","6","1") = "9"
    & skf18("10","6","2","3","5","7","1") = "9"
    & skf18("10","6","2","3","5","8","1") = "9"
    & skf18("10","6","2","3","5","9","1") = "9"
    & skf18("10","6","2","3","5","10","1") = "9"
    & skf18("10","6","2","3","6","1","1") = "9"
    & skf18("10","6","2","3","6","2","1") = "9"
    & skf18("10","6","2","3","6","3","1") = "9"
    & skf18("10","6","2","3","6","4","1") = "9"
    & skf18("10","6","2","3","6","5","1") = "9"
    & skf18("10","6","2","3","6","6","1") = "9"
    & skf18("10","6","2","3","6","7","1") = "9"
    & skf18("10","6","2","3","6","8","1") = "9"
    & skf18("10","6","2","3","6","9","1") = "9"
    & skf18("10","6","2","3","6","10","1") = "9"
    & skf18("10","6","2","3","7","1","1") = "9"
    & skf18("10","6","2","3","7","2","1") = "9"
    & skf18("10","6","2","3","7","3","1") = "9"
    & skf18("10","6","2","3","7","4","1") = "9"
    & skf18("10","6","2","3","7","5","1") = "9"
    & skf18("10","6","2","3","7","6","1") = "9"
    & skf18("10","6","2","3","7","7","1") = "9"
    & skf18("10","6","2","3","7","8","1") = "9"
    & skf18("10","6","2","3","7","9","1") = "9"
    & skf18("10","6","2","3","7","10","1") = "9"
    & skf18("10","6","2","3","8","1","1") = "9"
    & skf18("10","6","2","3","8","2","1") = "9"
    & skf18("10","6","2","3","8","3","1") = "9"
    & skf18("10","6","2","3","8","4","1") = "9"
    & skf18("10","6","2","3","8","5","1") = "9"
    & skf18("10","6","2","3","8","6","1") = "9"
    & skf18("10","6","2","3","8","7","1") = "9"
    & skf18("10","6","2","3","8","8","1") = "9"
    & skf18("10","6","2","3","8","9","1") = "9"
    & skf18("10","6","2","3","8","10","1") = "9"
    & skf18("10","6","2","3","9","1","1") = "9"
    & skf18("10","6","2","3","9","2","1") = "9"
    & skf18("10","6","2","3","9","3","1") = "9"
    & skf18("10","6","2","3","9","4","1") = "9"
    & skf18("10","6","2","3","9","5","1") = "9"
    & skf18("10","6","2","3","9","6","1") = "9"
    & skf18("10","6","2","3","9","7","1") = "9"
    & skf18("10","6","2","3","9","8","1") = "9"
    & skf18("10","6","2","3","9","9","1") = "9"
    & skf18("10","6","2","3","9","10","1") = "9"
    & skf18("10","6","2","3","10","1","1") = "9"
    & skf18("10","6","2","3","10","2","1") = "9"
    & skf18("10","6","2","3","10","3","1") = "9"
    & skf18("10","6","2","3","10","4","1") = "9"
    & skf18("10","6","2","3","10","5","1") = "9"
    & skf18("10","6","2","3","10","6","1") = "9"
    & skf18("10","6","2","3","10","7","1") = "9"
    & skf18("10","6","2","3","10","8","1") = "9"
    & skf18("10","6","2","3","10","9","1") = "9"
    & skf18("10","6","2","3","10","10","1") = "9"
    & skf18("10","6","2","4","1","1","1") = "9"
    & skf18("10","6","2","4","1","2","1") = "9"
    & skf18("10","6","2","4","1","3","1") = "9"
    & skf18("10","6","2","4","1","4","1") = "9"
    & skf18("10","6","2","4","1","5","1") = "9"
    & skf18("10","6","2","4","1","6","1") = "9"
    & skf18("10","6","2","4","1","7","1") = "9"
    & skf18("10","6","2","4","1","8","1") = "9"
    & skf18("10","6","2","4","1","9","1") = "9"
    & skf18("10","6","2","4","1","10","1") = "9"
    & skf18("10","6","2","4","2","1","1") = "9"
    & skf18("10","6","2","4","2","2","1") = "9"
    & skf18("10","6","2","4","2","3","1") = "9"
    & skf18("10","6","2","4","2","4","1") = "9"
    & skf18("10","6","2","4","2","5","1") = "9"
    & skf18("10","6","2","4","2","6","1") = "9"
    & skf18("10","6","2","4","2","7","1") = "9"
    & skf18("10","6","2","4","2","8","1") = "9"
    & skf18("10","6","2","4","2","9","1") = "9"
    & skf18("10","6","2","4","2","10","1") = "9"
    & skf18("10","6","2","4","3","1","1") = "9"
    & skf18("10","6","2","4","3","2","1") = "9"
    & skf18("10","6","2","4","3","3","1") = "9"
    & skf18("10","6","2","4","3","4","1") = "9"
    & skf18("10","6","2","4","3","5","1") = "9"
    & skf18("10","6","2","4","3","6","1") = "9"
    & skf18("10","6","2","4","3","7","1") = "9"
    & skf18("10","6","2","4","3","8","1") = "9"
    & skf18("10","6","2","4","3","9","1") = "9"
    & skf18("10","6","2","4","3","10","1") = "9"
    & skf18("10","6","2","4","4","1","1") = "9"
    & skf18("10","6","2","4","4","2","1") = "9"
    & skf18("10","6","2","4","4","3","1") = "9"
    & skf18("10","6","2","4","4","4","1") = "9"
    & skf18("10","6","2","4","4","5","1") = "9"
    & skf18("10","6","2","4","4","6","1") = "9"
    & skf18("10","6","2","4","4","7","1") = "9"
    & skf18("10","6","2","4","4","8","1") = "9"
    & skf18("10","6","2","4","4","9","1") = "9"
    & skf18("10","6","2","4","4","10","1") = "9"
    & skf18("10","6","2","4","5","1","1") = "9"
    & skf18("10","6","2","4","5","2","1") = "9"
    & skf18("10","6","2","4","5","3","1") = "9"
    & skf18("10","6","2","4","5","4","1") = "9"
    & skf18("10","6","2","4","5","5","1") = "9"
    & skf18("10","6","2","4","5","6","1") = "9"
    & skf18("10","6","2","4","5","7","1") = "9"
    & skf18("10","6","2","4","5","8","1") = "9"
    & skf18("10","6","2","4","5","9","1") = "9"
    & skf18("10","6","2","4","5","10","1") = "9"
    & skf18("10","6","2","4","6","1","1") = "9"
    & skf18("10","6","2","4","6","2","1") = "9"
    & skf18("10","6","2","4","6","3","1") = "9"
    & skf18("10","6","2","4","6","4","1") = "9"
    & skf18("10","6","2","4","6","5","1") = "9"
    & skf18("10","6","2","4","6","6","1") = "9"
    & skf18("10","6","2","4","6","7","1") = "9"
    & skf18("10","6","2","4","6","8","1") = "9"
    & skf18("10","6","2","4","6","9","1") = "9"
    & skf18("10","6","2","4","6","10","1") = "9"
    & skf18("10","6","2","4","7","1","1") = "9"
    & skf18("10","6","2","4","7","2","1") = "9"
    & skf18("10","6","2","4","7","3","1") = "9"
    & skf18("10","6","2","4","7","4","1") = "9"
    & skf18("10","6","2","4","7","5","1") = "9"
    & skf18("10","6","2","4","7","6","1") = "9"
    & skf18("10","6","2","4","7","7","1") = "9"
    & skf18("10","6","2","4","7","8","1") = "9"
    & skf18("10","6","2","4","7","9","1") = "9"
    & skf18("10","6","2","4","7","10","1") = "9"
    & skf18("10","6","2","4","8","1","1") = "9"
    & skf18("10","6","2","4","8","2","1") = "9"
    & skf18("10","6","2","4","8","3","1") = "9"
    & skf18("10","6","2","4","8","4","1") = "9"
    & skf18("10","6","2","4","8","5","1") = "9"
    & skf18("10","6","2","4","8","6","1") = "9"
    & skf18("10","6","2","4","8","7","1") = "9"
    & skf18("10","6","2","4","8","8","1") = "9"
    & skf18("10","6","2","4","8","9","1") = "9"
    & skf18("10","6","2","4","8","10","1") = "9"
    & skf18("10","6","2","4","9","1","1") = "9"
    & skf18("10","6","2","4","9","2","1") = "9"
    & skf18("10","6","2","4","9","3","1") = "9"
    & skf18("10","6","2","4","9","4","1") = "9"
    & skf18("10","6","2","4","9","5","1") = "9"
    & skf18("10","6","2","4","9","6","1") = "9"
    & skf18("10","6","2","4","9","7","1") = "9"
    & skf18("10","6","2","4","9","8","1") = "9"
    & skf18("10","6","2","4","9","9","1") = "9"
    & skf18("10","6","2","4","9","10","1") = "9"
    & skf18("10","6","2","4","10","1","1") = "9"
    & skf18("10","6","2","4","10","2","1") = "9"
    & skf18("10","6","2","4","10","3","1") = "9"
    & skf18("10","6","2","4","10","4","1") = "9"
    & skf18("10","6","2","4","10","5","1") = "9"
    & skf18("10","6","2","4","10","6","1") = "9"
    & skf18("10","6","2","4","10","7","1") = "9"
    & skf18("10","6","2","4","10","8","1") = "9"
    & skf18("10","6","2","4","10","9","1") = "9"
    & skf18("10","6","2","4","10","10","1") = "9"
    & skf18("10","6","2","5","1","1","1") = "9"
    & skf18("10","6","2","5","1","2","1") = "9"
    & skf18("10","6","2","5","1","3","1") = "9"
    & skf18("10","6","2","5","1","4","1") = "9"
    & skf18("10","6","2","5","1","5","1") = "9"
    & skf18("10","6","2","5","1","6","1") = "9"
    & skf18("10","6","2","5","1","7","1") = "9"
    & skf18("10","6","2","5","1","8","1") = "9"
    & skf18("10","6","2","5","1","9","1") = "9"
    & skf18("10","6","2","5","1","10","1") = "9"
    & skf18("10","6","2","5","2","1","1") = "9"
    & skf18("10","6","2","5","2","2","1") = "9"
    & skf18("10","6","2","5","2","3","1") = "9"
    & skf18("10","6","2","5","2","4","1") = "9"
    & skf18("10","6","2","5","2","5","1") = "9"
    & skf18("10","6","2","5","2","6","1") = "9"
    & skf18("10","6","2","5","2","7","1") = "9"
    & skf18("10","6","2","5","2","8","1") = "9"
    & skf18("10","6","2","5","2","9","1") = "9"
    & skf18("10","6","2","5","2","10","1") = "9"
    & skf18("10","6","2","5","3","1","1") = "9"
    & skf18("10","6","2","5","3","2","1") = "9"
    & skf18("10","6","2","5","3","3","1") = "9"
    & skf18("10","6","2","5","3","4","1") = "9"
    & skf18("10","6","2","5","3","5","1") = "9"
    & skf18("10","6","2","5","3","6","1") = "9"
    & skf18("10","6","2","5","3","7","1") = "9"
    & skf18("10","6","2","5","3","8","1") = "9"
    & skf18("10","6","2","5","3","9","1") = "9"
    & skf18("10","6","2","5","3","10","1") = "9"
    & skf18("10","6","2","5","4","1","1") = "9"
    & skf18("10","6","2","5","4","2","1") = "9"
    & skf18("10","6","2","5","4","3","1") = "9"
    & skf18("10","6","2","5","4","4","1") = "9"
    & skf18("10","6","2","5","4","5","1") = "9"
    & skf18("10","6","2","5","4","6","1") = "9"
    & skf18("10","6","2","5","4","7","1") = "9"
    & skf18("10","6","2","5","4","8","1") = "9"
    & skf18("10","6","2","5","4","9","1") = "9"
    & skf18("10","6","2","5","4","10","1") = "9"
    & skf18("10","6","2","5","5","1","1") = "9"
    & skf18("10","6","2","5","5","2","1") = "9"
    & skf18("10","6","2","5","5","3","1") = "9"
    & skf18("10","6","2","5","5","4","1") = "9"
    & skf18("10","6","2","5","5","5","1") = "9"
    & skf18("10","6","2","5","5","6","1") = "9"
    & skf18("10","6","2","5","5","7","1") = "9"
    & skf18("10","6","2","5","5","8","1") = "9"
    & skf18("10","6","2","5","5","9","1") = "9"
    & skf18("10","6","2","5","5","10","1") = "9"
    & skf18("10","6","2","5","6","1","1") = "9"
    & skf18("10","6","2","5","6","2","1") = "9"
    & skf18("10","6","2","5","6","3","1") = "9"
    & skf18("10","6","2","5","6","4","1") = "9"
    & skf18("10","6","2","5","6","5","1") = "9"
    & skf18("10","6","2","5","6","6","1") = "9"
    & skf18("10","6","2","5","6","7","1") = "9"
    & skf18("10","6","2","5","6","8","1") = "9"
    & skf18("10","6","2","5","6","9","1") = "9"
    & skf18("10","6","2","5","6","10","1") = "9"
    & skf18("10","6","2","5","7","1","1") = "9"
    & skf18("10","6","2","5","7","2","1") = "9"
    & skf18("10","6","2","5","7","3","1") = "9"
    & skf18("10","6","2","5","7","4","1") = "9"
    & skf18("10","6","2","5","7","5","1") = "9"
    & skf18("10","6","2","5","7","6","1") = "9"
    & skf18("10","6","2","5","7","7","1") = "9"
    & skf18("10","6","2","5","7","8","1") = "9"
    & skf18("10","6","2","5","7","9","1") = "9"
    & skf18("10","6","2","5","7","10","1") = "9"
    & skf18("10","6","2","5","8","1","1") = "9"
    & skf18("10","6","2","5","8","2","1") = "9"
    & skf18("10","6","2","5","8","3","1") = "9"
    & skf18("10","6","2","5","8","4","1") = "9"
    & skf18("10","6","2","5","8","5","1") = "9"
    & skf18("10","6","2","5","8","6","1") = "9"
    & skf18("10","6","2","5","8","7","1") = "9"
    & skf18("10","6","2","5","8","8","1") = "9"
    & skf18("10","6","2","5","8","9","1") = "9"
    & skf18("10","6","2","5","8","10","1") = "9"
    & skf18("10","6","2","5","9","1","1") = "9"
    & skf18("10","6","2","5","9","2","1") = "9"
    & skf18("10","6","2","5","9","3","1") = "9"
    & skf18("10","6","2","5","9","4","1") = "9"
    & skf18("10","6","2","5","9","5","1") = "9"
    & skf18("10","6","2","5","9","6","1") = "9"
    & skf18("10","6","2","5","9","7","1") = "9"
    & skf18("10","6","2","5","9","8","1") = "9"
    & skf18("10","6","2","5","9","9","1") = "9"
    & skf18("10","6","2","5","9","10","1") = "9"
    & skf18("10","6","2","5","10","1","1") = "9"
    & skf18("10","6","2","5","10","2","1") = "9"
    & skf18("10","6","2","5","10","3","1") = "9"
    & skf18("10","6","2","5","10","4","1") = "9"
    & skf18("10","6","2","5","10","5","1") = "9"
    & skf18("10","6","2","5","10","6","1") = "9"
    & skf18("10","6","2","5","10","7","1") = "9"
    & skf18("10","6","2","5","10","8","1") = "9"
    & skf18("10","6","2","5","10","9","1") = "9"
    & skf18("10","6","2","5","10","10","1") = "9"
    & skf18("10","6","2","6","1","1","1") = "9"
    & skf18("10","6","2","6","1","2","1") = "9"
    & skf18("10","6","2","6","1","3","1") = "9"
    & skf18("10","6","2","6","1","4","1") = "9"
    & skf18("10","6","2","6","1","5","1") = "9"
    & skf18("10","6","2","6","1","6","1") = "9"
    & skf18("10","6","2","6","1","7","1") = "9"
    & skf18("10","6","2","6","1","8","1") = "9"
    & skf18("10","6","2","6","1","9","1") = "9"
    & skf18("10","6","2","6","1","10","1") = "9"
    & skf18("10","6","2","6","2","1","1") = "9"
    & skf18("10","6","2","6","2","2","1") = "9"
    & skf18("10","6","2","6","2","3","1") = "9"
    & skf18("10","6","2","6","2","4","1") = "9"
    & skf18("10","6","2","6","2","5","1") = "9"
    & skf18("10","6","2","6","2","6","1") = "9"
    & skf18("10","6","2","6","2","7","1") = "9"
    & skf18("10","6","2","6","2","8","1") = "9"
    & skf18("10","6","2","6","2","9","1") = "9"
    & skf18("10","6","2","6","2","10","1") = "9"
    & skf18("10","6","2","6","3","1","1") = "9"
    & skf18("10","6","2","6","3","2","1") = "9"
    & skf18("10","6","2","6","3","3","1") = "9"
    & skf18("10","6","2","6","3","4","1") = "9"
    & skf18("10","6","2","6","3","5","1") = "9"
    & skf18("10","6","2","6","3","6","1") = "9"
    & skf18("10","6","2","6","3","7","1") = "9"
    & skf18("10","6","2","6","3","8","1") = "9"
    & skf18("10","6","2","6","3","9","1") = "9"
    & skf18("10","6","2","6","3","10","1") = "9"
    & skf18("10","6","2","6","4","1","1") = "9"
    & skf18("10","6","2","6","4","2","1") = "9"
    & skf18("10","6","2","6","4","3","1") = "9"
    & skf18("10","6","2","6","4","4","1") = "9"
    & skf18("10","6","2","6","4","5","1") = "9"
    & skf18("10","6","2","6","4","6","1") = "9"
    & skf18("10","6","2","6","4","7","1") = "9"
    & skf18("10","6","2","6","4","8","1") = "9"
    & skf18("10","6","2","6","4","9","1") = "9"
    & skf18("10","6","2","6","4","10","1") = "9"
    & skf18("10","6","2","6","5","1","1") = "9"
    & skf18("10","6","2","6","5","2","1") = "9"
    & skf18("10","6","2","6","5","3","1") = "9"
    & skf18("10","6","2","6","5","4","1") = "9"
    & skf18("10","6","2","6","5","5","1") = "9"
    & skf18("10","6","2","6","5","6","1") = "9"
    & skf18("10","6","2","6","5","7","1") = "9"
    & skf18("10","6","2","6","5","8","1") = "9"
    & skf18("10","6","2","6","5","9","1") = "9"
    & skf18("10","6","2","6","5","10","1") = "9"
    & skf18("10","6","2","6","6","1","1") = "9"
    & skf18("10","6","2","6","6","2","1") = "9"
    & skf18("10","6","2","6","6","3","1") = "9"
    & skf18("10","6","2","6","6","4","1") = "9"
    & skf18("10","6","2","6","6","5","1") = "9"
    & skf18("10","6","2","6","6","6","1") = "9"
    & skf18("10","6","2","6","6","7","1") = "9"
    & skf18("10","6","2","6","6","8","1") = "9"
    & skf18("10","6","2","6","6","9","1") = "9"
    & skf18("10","6","2","6","6","10","1") = "9"
    & skf18("10","6","2","6","7","1","1") = "9"
    & skf18("10","6","2","6","7","2","1") = "9"
    & skf18("10","6","2","6","7","3","1") = "9"
    & skf18("10","6","2","6","7","4","1") = "9"
    & skf18("10","6","2","6","7","5","1") = "9"
    & skf18("10","6","2","6","7","6","1") = "9"
    & skf18("10","6","2","6","7","7","1") = "9"
    & skf18("10","6","2","6","7","8","1") = "9"
    & skf18("10","6","2","6","7","9","1") = "9"
    & skf18("10","6","2","6","7","10","1") = "9"
    & skf18("10","6","2","6","8","1","1") = "9"
    & skf18("10","6","2","6","8","2","1") = "9"
    & skf18("10","6","2","6","8","3","1") = "9"
    & skf18("10","6","2","6","8","4","1") = "9"
    & skf18("10","6","2","6","8","5","1") = "9"
    & skf18("10","6","2","6","8","6","1") = "9"
    & skf18("10","6","2","6","8","7","1") = "9"
    & skf18("10","6","2","6","8","8","1") = "9"
    & skf18("10","6","2","6","8","9","1") = "9"
    & skf18("10","6","2","6","8","10","1") = "9"
    & skf18("10","6","2","6","9","1","1") = "9"
    & skf18("10","6","2","6","9","2","1") = "9"
    & skf18("10","6","2","6","9","3","1") = "9"
    & skf18("10","6","2","6","9","4","1") = "9"
    & skf18("10","6","2","6","9","5","1") = "9"
    & skf18("10","6","2","6","9","6","1") = "9"
    & skf18("10","6","2","6","9","7","1") = "9"
    & skf18("10","6","2","6","9","8","1") = "9"
    & skf18("10","6","2","6","9","9","1") = "9"
    & skf18("10","6","2","6","9","10","1") = "9"
    & skf18("10","6","2","6","10","1","1") = "9"
    & skf18("10","6","2","6","10","2","1") = "9"
    & skf18("10","6","2","6","10","3","1") = "9"
    & skf18("10","6","2","6","10","4","1") = "9"
    & skf18("10","6","2","6","10","5","1") = "9"
    & skf18("10","6","2","6","10","6","1") = "9"
    & skf18("10","6","2","6","10","7","1") = "9"
    & skf18("10","6","2","6","10","8","1") = "9"
    & skf18("10","6","2","6","10","9","1") = "9"
    & skf18("10","6","2","6","10","10","1") = "9"
    & skf18("10","6","2","7","1","1","1") = "9"
    & skf18("10","6","2","7","1","2","1") = "9"
    & skf18("10","6","2","7","1","3","1") = "9"
    & skf18("10","6","2","7","1","4","1") = "9"
    & skf18("10","6","2","7","1","5","1") = "9"
    & skf18("10","6","2","7","1","6","1") = "9"
    & skf18("10","6","2","7","1","7","1") = "9"
    & skf18("10","6","2","7","1","8","1") = "9"
    & skf18("10","6","2","7","1","9","1") = "9"
    & skf18("10","6","2","7","1","10","1") = "9"
    & skf18("10","6","2","7","2","1","1") = "9"
    & skf18("10","6","2","7","2","2","1") = "9"
    & skf18("10","6","2","7","2","3","1") = "9"
    & skf18("10","6","2","7","2","4","1") = "9"
    & skf18("10","6","2","7","2","5","1") = "9"
    & skf18("10","6","2","7","2","6","1") = "9"
    & skf18("10","6","2","7","2","7","1") = "9"
    & skf18("10","6","2","7","2","8","1") = "9"
    & skf18("10","6","2","7","2","9","1") = "9"
    & skf18("10","6","2","7","2","10","1") = "9"
    & skf18("10","6","2","7","3","1","1") = "9"
    & skf18("10","6","2","7","3","2","1") = "9"
    & skf18("10","6","2","7","3","3","1") = "9"
    & skf18("10","6","2","7","3","4","1") = "9"
    & skf18("10","6","2","7","3","5","1") = "9"
    & skf18("10","6","2","7","3","6","1") = "9"
    & skf18("10","6","2","7","3","7","1") = "9"
    & skf18("10","6","2","7","3","8","1") = "9"
    & skf18("10","6","2","7","3","9","1") = "9"
    & skf18("10","6","2","7","3","10","1") = "9"
    & skf18("10","6","2","7","4","1","1") = "9"
    & skf18("10","6","2","7","4","2","1") = "9"
    & skf18("10","6","2","7","4","3","1") = "9"
    & skf18("10","6","2","7","4","4","1") = "9"
    & skf18("10","6","2","7","4","5","1") = "9"
    & skf18("10","6","2","7","4","6","1") = "9"
    & skf18("10","6","2","7","4","7","1") = "9"
    & skf18("10","6","2","7","4","8","1") = "9"
    & skf18("10","6","2","7","4","9","1") = "9"
    & skf18("10","6","2","7","4","10","1") = "9"
    & skf18("10","6","2","7","5","1","1") = "9"
    & skf18("10","6","2","7","5","2","1") = "9"
    & skf18("10","6","2","7","5","3","1") = "9"
    & skf18("10","6","2","7","5","4","1") = "9"
    & skf18("10","6","2","7","5","5","1") = "9"
    & skf18("10","6","2","7","5","6","1") = "9"
    & skf18("10","6","2","7","5","7","1") = "9"
    & skf18("10","6","2","7","5","8","1") = "9"
    & skf18("10","6","2","7","5","9","1") = "9"
    & skf18("10","6","2","7","5","10","1") = "9"
    & skf18("10","6","2","7","6","1","1") = "9"
    & skf18("10","6","2","7","6","2","1") = "9"
    & skf18("10","6","2","7","6","3","1") = "9"
    & skf18("10","6","2","7","6","4","1") = "9"
    & skf18("10","6","2","7","6","5","1") = "9"
    & skf18("10","6","2","7","6","6","1") = "9"
    & skf18("10","6","2","7","6","7","1") = "9"
    & skf18("10","6","2","7","6","8","1") = "9"
    & skf18("10","6","2","7","6","9","1") = "9"
    & skf18("10","6","2","7","6","10","1") = "9"
    & skf18("10","6","2","7","7","1","1") = "9"
    & skf18("10","6","2","7","7","2","1") = "9"
    & skf18("10","6","2","7","7","3","1") = "9"
    & skf18("10","6","2","7","7","4","1") = "9"
    & skf18("10","6","2","7","7","5","1") = "9"
    & skf18("10","6","2","7","7","6","1") = "9"
    & skf18("10","6","2","7","7","7","1") = "9"
    & skf18("10","6","2","7","7","8","1") = "9"
    & skf18("10","6","2","7","7","9","1") = "9"
    & skf18("10","6","2","7","7","10","1") = "9"
    & skf18("10","6","2","7","8","1","1") = "9"
    & skf18("10","6","2","7","8","2","1") = "9"
    & skf18("10","6","2","7","8","3","1") = "9"
    & skf18("10","6","2","7","8","4","1") = "9"
    & skf18("10","6","2","7","8","5","1") = "9"
    & skf18("10","6","2","7","8","6","1") = "9"
    & skf18("10","6","2","7","8","7","1") = "9"
    & skf18("10","6","2","7","8","8","1") = "9"
    & skf18("10","6","2","7","8","9","1") = "9"
    & skf18("10","6","2","7","8","10","1") = "9"
    & skf18("10","6","2","7","9","1","1") = "9"
    & skf18("10","6","2","7","9","2","1") = "9"
    & skf18("10","6","2","7","9","3","1") = "9"
    & skf18("10","6","2","7","9","4","1") = "9"
    & skf18("10","6","2","7","9","5","1") = "9"
    & skf18("10","6","2","7","9","6","1") = "9"
    & skf18("10","6","2","7","9","7","1") = "9"
    & skf18("10","6","2","7","9","8","1") = "9"
    & skf18("10","6","2","7","9","9","1") = "9"
    & skf18("10","6","2","7","9","10","1") = "9"
    & skf18("10","6","2","7","10","1","1") = "9"
    & skf18("10","6","2","7","10","2","1") = "9"
    & skf18("10","6","2","7","10","3","1") = "9"
    & skf18("10","6","2","7","10","4","1") = "9"
    & skf18("10","6","2","7","10","5","1") = "9"
    & skf18("10","6","2","7","10","6","1") = "9"
    & skf18("10","6","2","7","10","7","1") = "9"
    & skf18("10","6","2","7","10","8","1") = "9"
    & skf18("10","6","2","7","10","9","1") = "9"
    & skf18("10","6","2","7","10","10","1") = "9"
    & skf18("10","6","2","8","1","1","1") = "9"
    & skf18("10","6","2","8","1","2","1") = "9"
    & skf18("10","6","2","8","1","3","1") = "9"
    & skf18("10","6","2","8","1","4","1") = "9"
    & skf18("10","6","2","8","1","5","1") = "9"
    & skf18("10","6","2","8","1","6","1") = "9"
    & skf18("10","6","2","8","1","7","1") = "9"
    & skf18("10","6","2","8","1","8","1") = "9"
    & skf18("10","6","2","8","1","9","1") = "9"
    & skf18("10","6","2","8","1","10","1") = "9"
    & skf18("10","6","2","8","2","1","1") = "9"
    & skf18("10","6","2","8","2","2","1") = "9"
    & skf18("10","6","2","8","2","3","1") = "9"
    & skf18("10","6","2","8","2","4","1") = "9"
    & skf18("10","6","2","8","2","5","1") = "9"
    & skf18("10","6","2","8","2","6","1") = "9"
    & skf18("10","6","2","8","2","7","1") = "9"
    & skf18("10","6","2","8","2","8","1") = "9"
    & skf18("10","6","2","8","2","9","1") = "9"
    & skf18("10","6","2","8","2","10","1") = "9"
    & skf18("10","6","2","8","3","1","1") = "9"
    & skf18("10","6","2","8","3","2","1") = "9"
    & skf18("10","6","2","8","3","3","1") = "9"
    & skf18("10","6","2","8","3","4","1") = "9"
    & skf18("10","6","2","8","3","5","1") = "9"
    & skf18("10","6","2","8","3","6","1") = "9"
    & skf18("10","6","2","8","3","7","1") = "9"
    & skf18("10","6","2","8","3","8","1") = "9"
    & skf18("10","6","2","8","3","9","1") = "9"
    & skf18("10","6","2","8","3","10","1") = "9"
    & skf18("10","6","2","8","4","1","1") = "9"
    & skf18("10","6","2","8","4","2","1") = "9"
    & skf18("10","6","2","8","4","3","1") = "9"
    & skf18("10","6","2","8","4","4","1") = "9"
    & skf18("10","6","2","8","4","5","1") = "9"
    & skf18("10","6","2","8","4","6","1") = "9"
    & skf18("10","6","2","8","4","7","1") = "9"
    & skf18("10","6","2","8","4","8","1") = "9"
    & skf18("10","6","2","8","4","9","1") = "9"
    & skf18("10","6","2","8","4","10","1") = "9"
    & skf18("10","6","2","8","5","1","1") = "9"
    & skf18("10","6","2","8","5","2","1") = "9"
    & skf18("10","6","2","8","5","3","1") = "9"
    & skf18("10","6","2","8","5","4","1") = "9"
    & skf18("10","6","2","8","5","5","1") = "9"
    & skf18("10","6","2","8","5","6","1") = "9"
    & skf18("10","6","2","8","5","7","1") = "9"
    & skf18("10","6","2","8","5","8","1") = "9"
    & skf18("10","6","2","8","5","9","1") = "9"
    & skf18("10","6","2","8","5","10","1") = "9"
    & skf18("10","6","2","8","6","1","1") = "9"
    & skf18("10","6","2","8","6","2","1") = "9"
    & skf18("10","6","2","8","6","3","1") = "9"
    & skf18("10","6","2","8","6","4","1") = "9"
    & skf18("10","6","2","8","6","5","1") = "9"
    & skf18("10","6","2","8","6","6","1") = "9"
    & skf18("10","6","2","8","6","7","1") = "9"
    & skf18("10","6","2","8","6","8","1") = "9"
    & skf18("10","6","2","8","6","9","1") = "9"
    & skf18("10","6","2","8","6","10","1") = "9"
    & skf18("10","6","2","8","7","1","1") = "9"
    & skf18("10","6","2","8","7","2","1") = "9"
    & skf18("10","6","2","8","7","3","1") = "9"
    & skf18("10","6","2","8","7","4","1") = "9"
    & skf18("10","6","2","8","7","5","1") = "9"
    & skf18("10","6","2","8","7","6","1") = "9"
    & skf18("10","6","2","8","7","7","1") = "9"
    & skf18("10","6","2","8","7","8","1") = "9"
    & skf18("10","6","2","8","7","9","1") = "9"
    & skf18("10","6","2","8","7","10","1") = "9"
    & skf18("10","6","2","8","8","1","1") = "9"
    & skf18("10","6","2","8","8","2","1") = "9"
    & skf18("10","6","2","8","8","3","1") = "9"
    & skf18("10","6","2","8","8","4","1") = "9"
    & skf18("10","6","2","8","8","5","1") = "9"
    & skf18("10","6","2","8","8","6","1") = "9"
    & skf18("10","6","2","8","8","7","1") = "9"
    & skf18("10","6","2","8","8","8","1") = "9"
    & skf18("10","6","2","8","8","9","1") = "9"
    & skf18("10","6","2","8","8","10","1") = "9"
    & skf18("10","6","2","8","9","1","1") = "9"
    & skf18("10","6","2","8","9","2","1") = "9"
    & skf18("10","6","2","8","9","3","1") = "9"
    & skf18("10","6","2","8","9","4","1") = "9"
    & skf18("10","6","2","8","9","5","1") = "9"
    & skf18("10","6","2","8","9","6","1") = "9"
    & skf18("10","6","2","8","9","7","1") = "9"
    & skf18("10","6","2","8","9","8","1") = "9"
    & skf18("10","6","2","8","9","9","1") = "9"
    & skf18("10","6","2","8","9","10","1") = "9"
    & skf18("10","6","2","8","10","1","1") = "9"
    & skf18("10","6","2","8","10","2","1") = "9"
    & skf18("10","6","2","8","10","3","1") = "9"
    & skf18("10","6","2","8","10","4","1") = "9"
    & skf18("10","6","2","8","10","5","1") = "9"
    & skf18("10","6","2","8","10","6","1") = "9"
    & skf18("10","6","2","8","10","7","1") = "9"
    & skf18("10","6","2","8","10","8","1") = "9"
    & skf18("10","6","2","8","10","9","1") = "9"
    & skf18("10","6","2","8","10","10","1") = "9"
    & skf18("10","6","2","9","1","1","1") = "9"
    & skf18("10","6","2","9","1","2","1") = "9"
    & skf18("10","6","2","9","1","3","1") = "9"
    & skf18("10","6","2","9","1","4","1") = "9"
    & skf18("10","6","2","9","1","5","1") = "9"
    & skf18("10","6","2","9","1","6","1") = "9"
    & skf18("10","6","2","9","1","7","1") = "9"
    & skf18("10","6","2","9","1","8","1") = "9"
    & skf18("10","6","2","9","1","9","1") = "9"
    & skf18("10","6","2","9","1","10","1") = "9"
    & skf18("10","6","2","9","2","1","1") = "9"
    & skf18("10","6","2","9","2","2","1") = "9"
    & skf18("10","6","2","9","2","3","1") = "9"
    & skf18("10","6","2","9","2","4","1") = "9"
    & skf18("10","6","2","9","2","5","1") = "9"
    & skf18("10","6","2","9","2","6","1") = "9"
    & skf18("10","6","2","9","2","7","1") = "9"
    & skf18("10","6","2","9","2","8","1") = "9"
    & skf18("10","6","2","9","2","9","1") = "9"
    & skf18("10","6","2","9","2","10","1") = "9"
    & skf18("10","6","2","9","3","1","1") = "9"
    & skf18("10","6","2","9","3","2","1") = "9"
    & skf18("10","6","2","9","3","3","1") = "9"
    & skf18("10","6","2","9","3","4","1") = "9"
    & skf18("10","6","2","9","3","5","1") = "9"
    & skf18("10","6","2","9","3","6","1") = "9"
    & skf18("10","6","2","9","3","7","1") = "9"
    & skf18("10","6","2","9","3","8","1") = "9"
    & skf18("10","6","2","9","3","9","1") = "9"
    & skf18("10","6","2","9","3","10","1") = "9"
    & skf18("10","6","2","9","4","1","1") = "9"
    & skf18("10","6","2","9","4","2","1") = "9"
    & skf18("10","6","2","9","4","3","1") = "9"
    & skf18("10","6","2","9","4","4","1") = "9"
    & skf18("10","6","2","9","4","5","1") = "9"
    & skf18("10","6","2","9","4","6","1") = "9"
    & skf18("10","6","2","9","4","7","1") = "9"
    & skf18("10","6","2","9","4","8","1") = "9"
    & skf18("10","6","2","9","4","9","1") = "9"
    & skf18("10","6","2","9","4","10","1") = "9"
    & skf18("10","6","2","9","5","1","1") = "9"
    & skf18("10","6","2","9","5","2","1") = "9"
    & skf18("10","6","2","9","5","3","1") = "9"
    & skf18("10","6","2","9","5","4","1") = "9"
    & skf18("10","6","2","9","5","5","1") = "9"
    & skf18("10","6","2","9","5","6","1") = "9"
    & skf18("10","6","2","9","5","7","1") = "9"
    & skf18("10","6","2","9","5","8","1") = "9"
    & skf18("10","6","2","9","5","9","1") = "9"
    & skf18("10","6","2","9","5","10","1") = "9"
    & skf18("10","6","2","9","6","1","1") = "9"
    & skf18("10","6","2","9","6","2","1") = "9"
    & skf18("10","6","2","9","6","3","1") = "9"
    & skf18("10","6","2","9","6","4","1") = "9"
    & skf18("10","6","2","9","6","5","1") = "9"
    & skf18("10","6","2","9","6","6","1") = "9"
    & skf18("10","6","2","9","6","7","1") = "9"
    & skf18("10","6","2","9","6","8","1") = "9"
    & skf18("10","6","2","9","6","9","1") = "9"
    & skf18("10","6","2","9","6","10","1") = "9"
    & skf18("10","6","2","9","7","1","1") = "9"
    & skf18("10","6","2","9","7","2","1") = "9"
    & skf18("10","6","2","9","7","3","1") = "9"
    & skf18("10","6","2","9","7","4","1") = "9"
    & skf18("10","6","2","9","7","5","1") = "9"
    & skf18("10","6","2","9","7","6","1") = "9"
    & skf18("10","6","2","9","7","7","1") = "9"
    & skf18("10","6","2","9","7","8","1") = "9"
    & skf18("10","6","2","9","7","9","1") = "9"
    & skf18("10","6","2","9","7","10","1") = "9"
    & skf18("10","6","2","9","8","1","1") = "9"
    & skf18("10","6","2","9","8","2","1") = "9"
    & skf18("10","6","2","9","8","3","1") = "9"
    & skf18("10","6","2","9","8","4","1") = "9"
    & skf18("10","6","2","9","8","5","1") = "9"
    & skf18("10","6","2","9","8","6","1") = "9"
    & skf18("10","6","2","9","8","7","1") = "9"
    & skf18("10","6","2","9","8","8","1") = "9"
    & skf18("10","6","2","9","8","9","1") = "9"
    & skf18("10","6","2","9","8","10","1") = "9"
    & skf18("10","6","2","9","9","1","1") = "9"
    & skf18("10","6","2","9","9","2","1") = "9"
    & skf18("10","6","2","9","9","3","1") = "9"
    & skf18("10","6","2","9","9","4","1") = "9"
    & skf18("10","6","2","9","9","5","1") = "9"
    & skf18("10","6","2","9","9","6","1") = "9"
    & skf18("10","6","2","9","9","7","1") = "9"
    & skf18("10","6","2","9","9","8","1") = "9"
    & skf18("10","6","2","9","9","9","1") = "9"
    & skf18("10","6","2","9","9","10","1") = "9"
    & skf18("10","6","2","9","10","1","1") = "9"
    & skf18("10","6","2","9","10","2","1") = "9"
    & skf18("10","6","2","9","10","3","1") = "9"
    & skf18("10","6","2","9","10","4","1") = "9"
    & skf18("10","6","2","9","10","5","1") = "9"
    & skf18("10","6","2","9","10","6","1") = "9"
    & skf18("10","6","2","9","10","7","1") = "9"
    & skf18("10","6","2","9","10","8","1") = "9"
    & skf18("10","6","2","9","10","9","1") = "9"
    & skf18("10","6","2","9","10","10","1") = "9"
    & skf18("10","6","2","10","1","1","1") = "9"
    & skf18("10","6","2","10","1","2","1") = "9"
    & skf18("10","6","2","10","1","3","1") = "9"
    & skf18("10","6","2","10","1","4","1") = "9"
    & skf18("10","6","2","10","1","5","1") = "9"
    & skf18("10","6","2","10","1","6","1") = "9"
    & skf18("10","6","2","10","1","7","1") = "9"
    & skf18("10","6","2","10","1","8","1") = "9"
    & skf18("10","6","2","10","1","9","1") = "9"
    & skf18("10","6","2","10","1","10","1") = "9"
    & skf18("10","6","2","10","2","1","1") = "9"
    & skf18("10","6","2","10","2","2","1") = "9"
    & skf18("10","6","2","10","2","3","1") = "9"
    & skf18("10","6","2","10","2","4","1") = "9"
    & skf18("10","6","2","10","2","5","1") = "9"
    & skf18("10","6","2","10","2","6","1") = "9"
    & skf18("10","6","2","10","2","7","1") = "9"
    & skf18("10","6","2","10","2","8","1") = "9"
    & skf18("10","6","2","10","2","9","1") = "9"
    & skf18("10","6","2","10","2","10","1") = "9"
    & skf18("10","6","2","10","3","1","1") = "9"
    & skf18("10","6","2","10","3","2","1") = "9"
    & skf18("10","6","2","10","3","3","1") = "9"
    & skf18("10","6","2","10","3","4","1") = "9"
    & skf18("10","6","2","10","3","5","1") = "9"
    & skf18("10","6","2","10","3","6","1") = "9"
    & skf18("10","6","2","10","3","7","1") = "9"
    & skf18("10","6","2","10","3","8","1") = "9"
    & skf18("10","6","2","10","3","9","1") = "9"
    & skf18("10","6","2","10","3","10","1") = "9"
    & skf18("10","6","2","10","4","1","1") = "9"
    & skf18("10","6","2","10","4","2","1") = "9"
    & skf18("10","6","2","10","4","3","1") = "9"
    & skf18("10","6","2","10","4","4","1") = "9"
    & skf18("10","6","2","10","4","5","1") = "9"
    & skf18("10","6","2","10","4","6","1") = "9"
    & skf18("10","6","2","10","4","7","1") = "9"
    & skf18("10","6","2","10","4","8","1") = "9"
    & skf18("10","6","2","10","4","9","1") = "9"
    & skf18("10","6","2","10","4","10","1") = "9"
    & skf18("10","6","2","10","5","1","1") = "9"
    & skf18("10","6","2","10","5","2","1") = "9"
    & skf18("10","6","2","10","5","3","1") = "9"
    & skf18("10","6","2","10","5","4","1") = "9"
    & skf18("10","6","2","10","5","5","1") = "9"
    & skf18("10","6","2","10","5","6","1") = "9"
    & skf18("10","6","2","10","5","7","1") = "9"
    & skf18("10","6","2","10","5","8","1") = "9"
    & skf18("10","6","2","10","5","9","1") = "9"
    & skf18("10","6","2","10","5","10","1") = "9"
    & skf18("10","6","2","10","6","1","1") = "9"
    & skf18("10","6","2","10","6","2","1") = "9"
    & skf18("10","6","2","10","6","3","1") = "9"
    & skf18("10","6","2","10","6","4","1") = "9"
    & skf18("10","6","2","10","6","5","1") = "9"
    & skf18("10","6","2","10","6","6","1") = "9"
    & skf18("10","6","2","10","6","7","1") = "9"
    & skf18("10","6","2","10","6","8","1") = "9"
    & skf18("10","6","2","10","6","9","1") = "9"
    & skf18("10","6","2","10","6","10","1") = "9"
    & skf18("10","6","2","10","7","1","1") = "9"
    & skf18("10","6","2","10","7","2","1") = "9"
    & skf18("10","6","2","10","7","3","1") = "9"
    & skf18("10","6","2","10","7","4","1") = "9"
    & skf18("10","6","2","10","7","5","1") = "9"
    & skf18("10","6","2","10","7","6","1") = "9"
    & skf18("10","6","2","10","7","7","1") = "9"
    & skf18("10","6","2","10","7","8","1") = "9"
    & skf18("10","6","2","10","7","9","1") = "9"
    & skf18("10","6","2","10","7","10","1") = "9"
    & skf18("10","6","2","10","8","1","1") = "9"
    & skf18("10","6","2","10","8","2","1") = "9"
    & skf18("10","6","2","10","8","3","1") = "9"
    & skf18("10","6","2","10","8","4","1") = "9"
    & skf18("10","6","2","10","8","5","1") = "9"
    & skf18("10","6","2","10","8","6","1") = "9"
    & skf18("10","6","2","10","8","7","1") = "9"
    & skf18("10","6","2","10","8","8","1") = "9"
    & skf18("10","6","2","10","8","9","1") = "9"
    & skf18("10","6","2","10","8","10","1") = "9"
    & skf18("10","6","2","10","9","1","1") = "9"
    & skf18("10","6","2","10","9","2","1") = "9"
    & skf18("10","6","2","10","9","3","1") = "9"
    & skf18("10","6","2","10","9","4","1") = "9"
    & skf18("10","6","2","10","9","5","1") = "9"
    & skf18("10","6","2","10","9","6","1") = "9"
    & skf18("10","6","2","10","9","7","1") = "9"
    & skf18("10","6","2","10","9","8","1") = "9"
    & skf18("10","6","2","10","9","9","1") = "9"
    & skf18("10","6","2","10","9","10","1") = "9"
    & skf18("10","6","2","10","10","1","1") = "9"
    & skf18("10","6","2","10","10","2","1") = "9"
    & skf18("10","6","2","10","10","3","1") = "9"
    & skf18("10","6","2","10","10","4","1") = "9"
    & skf18("10","6","2","10","10","5","1") = "9"
    & skf18("10","6","2","10","10","6","1") = "9"
    & skf18("10","6","2","10","10","7","1") = "9"
    & skf18("10","6","2","10","10","8","1") = "9"
    & skf18("10","6","2","10","10","9","1") = "9"
    & skf18("10","6","2","10","10","10","1") = "9"
    & skf18("10","6","3","1","1","1","1") = "9"
    & skf18("10","6","3","1","1","2","1") = "9"
    & skf18("10","6","3","1","1","3","1") = "9"
    & skf18("10","6","3","1","1","4","1") = "9"
    & skf18("10","6","3","1","1","5","1") = "9"
    & skf18("10","6","3","1","1","6","1") = "9"
    & skf18("10","6","3","1","1","7","1") = "9"
    & skf18("10","6","3","1","1","8","1") = "9"
    & skf18("10","6","3","1","1","9","1") = "9"
    & skf18("10","6","3","1","1","10","1") = "9"
    & skf18("10","6","3","1","2","1","1") = "9"
    & skf18("10","6","3","1","2","2","1") = "9"
    & skf18("10","6","3","1","2","3","1") = "9"
    & skf18("10","6","3","1","2","4","1") = "9"
    & skf18("10","6","3","1","2","5","1") = "9"
    & skf18("10","6","3","1","2","6","1") = "9"
    & skf18("10","6","3","1","2","7","1") = "9"
    & skf18("10","6","3","1","2","8","1") = "9"
    & skf18("10","6","3","1","2","9","1") = "9"
    & skf18("10","6","3","1","2","10","1") = "9"
    & skf18("10","6","3","1","3","1","1") = "9"
    & skf18("10","6","3","1","3","2","1") = "9"
    & skf18("10","6","3","1","3","3","1") = "9"
    & skf18("10","6","3","1","3","4","1") = "9"
    & skf18("10","6","3","1","3","5","1") = "9"
    & skf18("10","6","3","1","3","6","1") = "9"
    & skf18("10","6","3","1","3","7","1") = "9"
    & skf18("10","6","3","1","3","8","1") = "9"
    & skf18("10","6","3","1","3","9","1") = "9"
    & skf18("10","6","3","1","3","10","1") = "9"
    & skf18("10","6","3","1","4","1","1") = "9"
    & skf18("10","6","3","1","4","2","1") = "9"
    & skf18("10","6","3","1","4","3","1") = "9"
    & skf18("10","6","3","1","4","4","1") = "9"
    & skf18("10","6","3","1","4","5","1") = "9"
    & skf18("10","6","3","1","4","6","1") = "9"
    & skf18("10","6","3","1","4","7","1") = "9"
    & skf18("10","6","3","1","4","8","1") = "9"
    & skf18("10","6","3","1","4","9","1") = "9"
    & skf18("10","6","3","1","4","10","1") = "9"
    & skf18("10","6","3","1","5","1","1") = "9"
    & skf18("10","6","3","1","5","2","1") = "9"
    & skf18("10","6","3","1","5","3","1") = "9"
    & skf18("10","6","3","1","5","4","1") = "9"
    & skf18("10","6","3","1","5","5","1") = "9"
    & skf18("10","6","3","1","5","6","1") = "9"
    & skf18("10","6","3","1","5","7","1") = "9"
    & skf18("10","6","3","1","5","8","1") = "9"
    & skf18("10","6","3","1","5","9","1") = "9"
    & skf18("10","6","3","1","5","10","1") = "9"
    & skf18("10","6","3","1","6","1","1") = "9"
    & skf18("10","6","3","1","6","2","1") = "9"
    & skf18("10","6","3","1","6","3","1") = "9"
    & skf18("10","6","3","1","6","4","1") = "9"
    & skf18("10","6","3","1","6","5","1") = "9"
    & skf18("10","6","3","1","6","6","1") = "9"
    & skf18("10","6","3","1","6","7","1") = "9"
    & skf18("10","6","3","1","6","8","1") = "9"
    & skf18("10","6","3","1","6","9","1") = "9"
    & skf18("10","6","3","1","6","10","1") = "9"
    & skf18("10","6","3","1","7","1","1") = "9"
    & skf18("10","6","3","1","7","2","1") = "9"
    & skf18("10","6","3","1","7","3","1") = "9"
    & skf18("10","6","3","1","7","4","1") = "9"
    & skf18("10","6","3","1","7","5","1") = "9"
    & skf18("10","6","3","1","7","6","1") = "9"
    & skf18("10","6","3","1","7","7","1") = "9"
    & skf18("10","6","3","1","7","8","1") = "9"
    & skf18("10","6","3","1","7","9","1") = "9"
    & skf18("10","6","3","1","7","10","1") = "9"
    & skf18("10","6","3","1","8","1","1") = "9"
    & skf18("10","6","3","1","8","2","1") = "9"
    & skf18("10","6","3","1","8","3","1") = "9"
    & skf18("10","6","3","1","8","4","1") = "9"
    & skf18("10","6","3","1","8","5","1") = "9"
    & skf18("10","6","3","1","8","6","1") = "9"
    & skf18("10","6","3","1","8","7","1") = "9"
    & skf18("10","6","3","1","8","8","1") = "9"
    & skf18("10","6","3","1","8","9","1") = "9"
    & skf18("10","6","3","1","8","10","1") = "9"
    & skf18("10","6","3","1","9","1","1") = "9"
    & skf18("10","6","3","1","9","2","1") = "9"
    & skf18("10","6","3","1","9","3","1") = "9"
    & skf18("10","6","3","1","9","4","1") = "9"
    & skf18("10","6","3","1","9","5","1") = "9"
    & skf18("10","6","3","1","9","6","1") = "9"
    & skf18("10","6","3","1","9","7","1") = "9"
    & skf18("10","6","3","1","9","8","1") = "9"
    & skf18("10","6","3","1","9","9","1") = "9"
    & skf18("10","6","3","1","9","10","1") = "9"
    & skf18("10","6","3","1","10","1","1") = "9"
    & skf18("10","6","3","1","10","2","1") = "9"
    & skf18("10","6","3","1","10","3","1") = "9"
    & skf18("10","6","3","1","10","4","1") = "9"
    & skf18("10","6","3","1","10","5","1") = "9"
    & skf18("10","6","3","1","10","6","1") = "9"
    & skf18("10","6","3","1","10","7","1") = "9"
    & skf18("10","6","3","1","10","8","1") = "9"
    & skf18("10","6","3","1","10","9","1") = "9"
    & skf18("10","6","3","1","10","10","1") = "9"
    & skf18("10","6","3","2","1","1","1") = "9"
    & skf18("10","6","3","2","1","2","1") = "9"
    & skf18("10","6","3","2","1","3","1") = "9"
    & skf18("10","6","3","2","1","4","1") = "9"
    & skf18("10","6","3","2","1","5","1") = "9"
    & skf18("10","6","3","2","1","6","1") = "9"
    & skf18("10","6","3","2","1","7","1") = "9"
    & skf18("10","6","3","2","1","8","1") = "9"
    & skf18("10","6","3","2","1","9","1") = "9"
    & skf18("10","6","3","2","1","10","1") = "9"
    & skf18("10","6","3","2","2","1","1") = "9"
    & skf18("10","6","3","2","2","2","1") = "9"
    & skf18("10","6","3","2","2","3","1") = "9"
    & skf18("10","6","3","2","2","4","1") = "9"
    & skf18("10","6","3","2","2","5","1") = "9"
    & skf18("10","6","3","2","2","6","1") = "9"
    & skf18("10","6","3","2","2","7","1") = "9"
    & skf18("10","6","3","2","2","8","1") = "9"
    & skf18("10","6","3","2","2","9","1") = "9"
    & skf18("10","6","3","2","2","10","1") = "9"
    & skf18("10","6","3","2","3","1","1") = "9"
    & skf18("10","6","3","2","3","2","1") = "9"
    & skf18("10","6","3","2","3","3","1") = "9"
    & skf18("10","6","3","2","3","4","1") = "9"
    & skf18("10","6","3","2","3","5","1") = "9"
    & skf18("10","6","3","2","3","6","1") = "9"
    & skf18("10","6","3","2","3","7","1") = "9"
    & skf18("10","6","3","2","3","8","1") = "9"
    & skf18("10","6","3","2","3","9","1") = "9"
    & skf18("10","6","3","2","3","10","1") = "9"
    & skf18("10","6","3","2","4","1","1") = "9"
    & skf18("10","6","3","2","4","2","1") = "9"
    & skf18("10","6","3","2","4","3","1") = "9"
    & skf18("10","6","3","2","4","4","1") = "9"
    & skf18("10","6","3","2","4","5","1") = "9"
    & skf18("10","6","3","2","4","6","1") = "9"
    & skf18("10","6","3","2","4","7","1") = "9"
    & skf18("10","6","3","2","4","8","1") = "9"
    & skf18("10","6","3","2","4","9","1") = "9"
    & skf18("10","6","3","2","4","10","1") = "9"
    & skf18("10","6","3","2","5","1","1") = "9"
    & skf18("10","6","3","2","5","2","1") = "9"
    & skf18("10","6","3","2","5","3","1") = "9"
    & skf18("10","6","3","2","5","4","1") = "9"
    & skf18("10","6","3","2","5","5","1") = "9"
    & skf18("10","6","3","2","5","6","1") = "9"
    & skf18("10","6","3","2","5","7","1") = "9"
    & skf18("10","6","3","2","5","8","1") = "9"
    & skf18("10","6","3","2","5","9","1") = "9"
    & skf18("10","6","3","2","5","10","1") = "9"
    & skf18("10","6","3","2","6","1","1") = "9"
    & skf18("10","6","3","2","6","2","1") = "9"
    & skf18("10","6","3","2","6","3","1") = "9"
    & skf18("10","6","3","2","6","4","1") = "9"
    & skf18("10","6","3","2","6","5","1") = "9"
    & skf18("10","6","3","2","6","6","1") = "9"
    & skf18("10","6","3","2","6","7","1") = "9"
    & skf18("10","6","3","2","6","8","1") = "9"
    & skf18("10","6","3","2","6","9","1") = "9"
    & skf18("10","6","3","2","6","10","1") = "9"
    & skf18("10","6","3","2","7","1","1") = "9"
    & skf18("10","6","3","2","7","2","1") = "9"
    & skf18("10","6","3","2","7","3","1") = "9"
    & skf18("10","6","3","2","7","4","1") = "9"
    & skf18("10","6","3","2","7","5","1") = "9"
    & skf18("10","6","3","2","7","6","1") = "9"
    & skf18("10","6","3","2","7","7","1") = "9"
    & skf18("10","6","3","2","7","8","1") = "9"
    & skf18("10","6","3","2","7","9","1") = "9"
    & skf18("10","6","3","2","7","10","1") = "9"
    & skf18("10","6","3","2","8","1","1") = "9"
    & skf18("10","6","3","2","8","2","1") = "9"
    & skf18("10","6","3","2","8","3","1") = "9"
    & skf18("10","6","3","2","8","4","1") = "9"
    & skf18("10","6","3","2","8","5","1") = "9"
    & skf18("10","6","3","2","8","6","1") = "9"
    & skf18("10","6","3","2","8","7","1") = "9"
    & skf18("10","6","3","2","8","8","1") = "9"
    & skf18("10","6","3","2","8","9","1") = "9"
    & skf18("10","6","3","2","8","10","1") = "9"
    & skf18("10","6","3","2","9","1","1") = "9"
    & skf18("10","6","3","2","9","2","1") = "9"
    & skf18("10","6","3","2","9","3","1") = "9"
    & skf18("10","6","3","2","9","4","1") = "9"
    & skf18("10","6","3","2","9","5","1") = "9"
    & skf18("10","6","3","2","9","6","1") = "9"
    & skf18("10","6","3","2","9","7","1") = "9"
    & skf18("10","6","3","2","9","8","1") = "9"
    & skf18("10","6","3","2","9","9","1") = "9"
    & skf18("10","6","3","2","9","10","1") = "9"
    & skf18("10","6","3","2","10","1","1") = "9"
    & skf18("10","6","3","2","10","2","1") = "9"
    & skf18("10","6","3","2","10","3","1") = "9"
    & skf18("10","6","3","2","10","4","1") = "9"
    & skf18("10","6","3","2","10","5","1") = "9"
    & skf18("10","6","3","2","10","6","1") = "9"
    & skf18("10","6","3","2","10","7","1") = "9"
    & skf18("10","6","3","2","10","8","1") = "9"
    & skf18("10","6","3","2","10","9","1") = "9"
    & skf18("10","6","3","2","10","10","1") = "9"
    & skf18("10","6","3","3","1","1","1") = "9"
    & skf18("10","6","3","3","1","2","1") = "9"
    & skf18("10","6","3","3","1","3","1") = "9"
    & skf18("10","6","3","3","1","4","1") = "9"
    & skf18("10","6","3","3","1","5","1") = "9"
    & skf18("10","6","3","3","1","6","1") = "9"
    & skf18("10","6","3","3","1","7","1") = "9"
    & skf18("10","6","3","3","1","8","1") = "9"
    & skf18("10","6","3","3","1","9","1") = "9"
    & skf18("10","6","3","3","1","10","1") = "9"
    & skf18("10","6","3","3","2","1","1") = "9"
    & skf18("10","6","3","3","2","2","1") = "9"
    & skf18("10","6","3","3","2","3","1") = "9"
    & skf18("10","6","3","3","2","4","1") = "9"
    & skf18("10","6","3","3","2","5","1") = "9"
    & skf18("10","6","3","3","2","6","1") = "9"
    & skf18("10","6","3","3","2","7","1") = "9"
    & skf18("10","6","3","3","2","8","1") = "9"
    & skf18("10","6","3","3","2","9","1") = "9"
    & skf18("10","6","3","3","2","10","1") = "9"
    & skf18("10","6","3","3","3","1","1") = "9"
    & skf18("10","6","3","3","3","2","1") = "9"
    & skf18("10","6","3","3","3","3","1") = "9"
    & skf18("10","6","3","3","3","4","1") = "9"
    & skf18("10","6","3","3","3","5","1") = "9"
    & skf18("10","6","3","3","3","6","1") = "9"
    & skf18("10","6","3","3","3","7","1") = "9"
    & skf18("10","6","3","3","3","8","1") = "9"
    & skf18("10","6","3","3","3","9","1") = "9"
    & skf18("10","6","3","3","3","10","1") = "9"
    & skf18("10","6","3","3","4","1","1") = "9"
    & skf18("10","6","3","3","4","2","1") = "9"
    & skf18("10","6","3","3","4","3","1") = "9"
    & skf18("10","6","3","3","4","4","1") = "9"
    & skf18("10","6","3","3","4","5","1") = "9"
    & skf18("10","6","3","3","4","6","1") = "9"
    & skf18("10","6","3","3","4","7","1") = "9"
    & skf18("10","6","3","3","4","8","1") = "9"
    & skf18("10","6","3","3","4","9","1") = "9"
    & skf18("10","6","3","3","4","10","1") = "9"
    & skf18("10","6","3","3","5","1","1") = "9"
    & skf18("10","6","3","3","5","2","1") = "9"
    & skf18("10","6","3","3","5","3","1") = "9"
    & skf18("10","6","3","3","5","4","1") = "9"
    & skf18("10","6","3","3","5","5","1") = "9"
    & skf18("10","6","3","3","5","6","1") = "9"
    & skf18("10","6","3","3","5","7","1") = "9"
    & skf18("10","6","3","3","5","8","1") = "9"
    & skf18("10","6","3","3","5","9","1") = "9"
    & skf18("10","6","3","3","5","10","1") = "9"
    & skf18("10","6","3","3","6","1","1") = "9"
    & skf18("10","6","3","3","6","2","1") = "9"
    & skf18("10","6","3","3","6","3","1") = "9"
    & skf18("10","6","3","3","6","4","1") = "9"
    & skf18("10","6","3","3","6","5","1") = "9"
    & skf18("10","6","3","3","6","6","1") = "9"
    & skf18("10","6","3","3","6","7","1") = "9"
    & skf18("10","6","3","3","6","8","1") = "9"
    & skf18("10","6","3","3","6","9","1") = "9"
    & skf18("10","6","3","3","6","10","1") = "9"
    & skf18("10","6","3","3","7","1","1") = "9"
    & skf18("10","6","3","3","7","2","1") = "9"
    & skf18("10","6","3","3","7","3","1") = "9"
    & skf18("10","6","3","3","7","4","1") = "9"
    & skf18("10","6","3","3","7","5","1") = "9"
    & skf18("10","6","3","3","7","6","1") = "9"
    & skf18("10","6","3","3","7","7","1") = "9"
    & skf18("10","6","3","3","7","8","1") = "9"
    & skf18("10","6","3","3","7","9","1") = "9"
    & skf18("10","6","3","3","7","10","1") = "9"
    & skf18("10","6","3","3","8","1","1") = "9"
    & skf18("10","6","3","3","8","2","1") = "9"
    & skf18("10","6","3","3","8","3","1") = "9"
    & skf18("10","6","3","3","8","4","1") = "9"
    & skf18("10","6","3","3","8","5","1") = "9"
    & skf18("10","6","3","3","8","6","1") = "9"
    & skf18("10","6","3","3","8","7","1") = "9"
    & skf18("10","6","3","3","8","8","1") = "9"
    & skf18("10","6","3","3","8","9","1") = "9"
    & skf18("10","6","3","3","8","10","1") = "9"
    & skf18("10","6","3","3","9","1","1") = "9"
    & skf18("10","6","3","3","9","2","1") = "9"
    & skf18("10","6","3","3","9","3","1") = "9"
    & skf18("10","6","3","3","9","4","1") = "9"
    & skf18("10","6","3","3","9","5","1") = "9"
    & skf18("10","6","3","3","9","6","1") = "9"
    & skf18("10","6","3","3","9","7","1") = "9"
    & skf18("10","6","3","3","9","8","1") = "9"
    & skf18("10","6","3","3","9","9","1") = "9"
    & skf18("10","6","3","3","9","10","1") = "9"
    & skf18("10","6","3","3","10","1","1") = "9"
    & skf18("10","6","3","3","10","2","1") = "9"
    & skf18("10","6","3","3","10","3","1") = "9"
    & skf18("10","6","3","3","10","4","1") = "9"
    & skf18("10","6","3","3","10","5","1") = "9"
    & skf18("10","6","3","3","10","6","1") = "9"
    & skf18("10","6","3","3","10","7","1") = "9"
    & skf18("10","6","3","3","10","8","1") = "9"
    & skf18("10","6","3","3","10","9","1") = "9"
    & skf18("10","6","3","3","10","10","1") = "9"
    & skf18("10","6","3","4","1","1","1") = "9"
    & skf18("10","6","3","4","1","2","1") = "9"
    & skf18("10","6","3","4","1","3","1") = "9"
    & skf18("10","6","3","4","1","4","1") = "9"
    & skf18("10","6","3","4","1","5","1") = "9"
    & skf18("10","6","3","4","1","6","1") = "9"
    & skf18("10","6","3","4","1","7","1") = "9"
    & skf18("10","6","3","4","1","8","1") = "9"
    & skf18("10","6","3","4","1","9","1") = "9"
    & skf18("10","6","3","4","1","10","1") = "9"
    & skf18("10","6","3","4","2","1","1") = "9"
    & skf18("10","6","3","4","2","2","1") = "9"
    & skf18("10","6","3","4","2","3","1") = "9"
    & skf18("10","6","3","4","2","4","1") = "9"
    & skf18("10","6","3","4","2","5","1") = "9"
    & skf18("10","6","3","4","2","6","1") = "9"
    & skf18("10","6","3","4","2","7","1") = "9"
    & skf18("10","6","3","4","2","8","1") = "9"
    & skf18("10","6","3","4","2","9","1") = "9"
    & skf18("10","6","3","4","2","10","1") = "9"
    & skf18("10","6","3","4","3","1","1") = "9"
    & skf18("10","6","3","4","3","2","1") = "9"
    & skf18("10","6","3","4","3","3","1") = "9"
    & skf18("10","6","3","4","3","4","1") = "9"
    & skf18("10","6","3","4","3","5","1") = "9"
    & skf18("10","6","3","4","3","6","1") = "9"
    & skf18("10","6","3","4","3","7","1") = "9"
    & skf18("10","6","3","4","3","8","1") = "9"
    & skf18("10","6","3","4","3","9","1") = "9"
    & skf18("10","6","3","4","3","10","1") = "9"
    & skf18("10","6","3","4","4","1","1") = "9"
    & skf18("10","6","3","4","4","2","1") = "9"
    & skf18("10","6","3","4","4","3","1") = "9"
    & skf18("10","6","3","4","4","4","1") = "9"
    & skf18("10","6","3","4","4","5","1") = "9"
    & skf18("10","6","3","4","4","6","1") = "9"
    & skf18("10","6","3","4","4","7","1") = "9"
    & skf18("10","6","3","4","4","8","1") = "9"
    & skf18("10","6","3","4","4","9","1") = "9"
    & skf18("10","6","3","4","4","10","1") = "9"
    & skf18("10","6","3","4","5","1","1") = "9"
    & skf18("10","6","3","4","5","2","1") = "9"
    & skf18("10","6","3","4","5","3","1") = "9"
    & skf18("10","6","3","4","5","4","1") = "9"
    & skf18("10","6","3","4","5","5","1") = "9"
    & skf18("10","6","3","4","5","6","1") = "9"
    & skf18("10","6","3","4","5","7","1") = "9"
    & skf18("10","6","3","4","5","8","1") = "9"
    & skf18("10","6","3","4","5","9","1") = "9"
    & skf18("10","6","3","4","5","10","1") = "9"
    & skf18("10","6","3","4","6","1","1") = "9"
    & skf18("10","6","3","4","6","2","1") = "9"
    & skf18("10","6","3","4","6","3","1") = "9"
    & skf18("10","6","3","4","6","4","1") = "9"
    & skf18("10","6","3","4","6","5","1") = "9"
    & skf18("10","6","3","4","6","6","1") = "9"
    & skf18("10","6","3","4","6","7","1") = "9"
    & skf18("10","6","3","4","6","8","1") = "9"
    & skf18("10","6","3","4","6","9","1") = "9"
    & skf18("10","6","3","4","6","10","1") = "9"
    & skf18("10","6","3","4","7","1","1") = "9"
    & skf18("10","6","3","4","7","2","1") = "9"
    & skf18("10","6","3","4","7","3","1") = "9"
    & skf18("10","6","3","4","7","4","1") = "9"
    & skf18("10","6","3","4","7","5","1") = "9"
    & skf18("10","6","3","4","7","6","1") = "9"
    & skf18("10","6","3","4","7","7","1") = "9"
    & skf18("10","6","3","4","7","8","1") = "9"
    & skf18("10","6","3","4","7","9","1") = "9"
    & skf18("10","6","3","4","7","10","1") = "9"
    & skf18("10","6","3","4","8","1","1") = "9"
    & skf18("10","6","3","4","8","2","1") = "9"
    & skf18("10","6","3","4","8","3","1") = "9"
    & skf18("10","6","3","4","8","4","1") = "9"
    & skf18("10","6","3","4","8","5","1") = "9"
    & skf18("10","6","3","4","8","6","1") = "9"
    & skf18("10","6","3","4","8","7","1") = "9"
    & skf18("10","6","3","4","8","8","1") = "9"
    & skf18("10","6","3","4","8","9","1") = "9"
    & skf18("10","6","3","4","8","10","1") = "9"
    & skf18("10","6","3","4","9","1","1") = "9"
    & skf18("10","6","3","4","9","2","1") = "9"
    & skf18("10","6","3","4","9","3","1") = "9"
    & skf18("10","6","3","4","9","4","1") = "9"
    & skf18("10","6","3","4","9","5","1") = "9"
    & skf18("10","6","3","4","9","6","1") = "9"
    & skf18("10","6","3","4","9","7","1") = "9"
    & skf18("10","6","3","4","9","8","1") = "9"
    & skf18("10","6","3","4","9","9","1") = "9"
    & skf18("10","6","3","4","9","10","1") = "9"
    & skf18("10","6","3","4","10","1","1") = "9"
    & skf18("10","6","3","4","10","2","1") = "9"
    & skf18("10","6","3","4","10","3","1") = "9"
    & skf18("10","6","3","4","10","4","1") = "9"
    & skf18("10","6","3","4","10","5","1") = "9"
    & skf18("10","6","3","4","10","6","1") = "9"
    & skf18("10","6","3","4","10","7","1") = "9"
    & skf18("10","6","3","4","10","8","1") = "9"
    & skf18("10","6","3","4","10","9","1") = "9"
    & skf18("10","6","3","4","10","10","1") = "9"
    & skf18("10","6","3","5","1","1","1") = "9"
    & skf18("10","6","3","5","1","2","1") = "9"
    & skf18("10","6","3","5","1","3","1") = "9"
    & skf18("10","6","3","5","1","4","1") = "9"
    & skf18("10","6","3","5","1","5","1") = "9"
    & skf18("10","6","3","5","1","6","1") = "9"
    & skf18("10","6","3","5","1","7","1") = "9"
    & skf18("10","6","3","5","1","8","1") = "9"
    & skf18("10","6","3","5","1","9","1") = "9"
    & skf18("10","6","3","5","1","10","1") = "9"
    & skf18("10","6","3","5","2","1","1") = "9"
    & skf18("10","6","3","5","2","2","1") = "9"
    & skf18("10","6","3","5","2","3","1") = "9"
    & skf18("10","6","3","5","2","4","1") = "9"
    & skf18("10","6","3","5","2","5","1") = "9"
    & skf18("10","6","3","5","2","6","1") = "9"
    & skf18("10","6","3","5","2","7","1") = "9"
    & skf18("10","6","3","5","2","8","1") = "9"
    & skf18("10","6","3","5","2","9","1") = "9"
    & skf18("10","6","3","5","2","10","1") = "9"
    & skf18("10","6","3","5","3","1","1") = "9"
    & skf18("10","6","3","5","3","2","1") = "9"
    & skf18("10","6","3","5","3","3","1") = "9"
    & skf18("10","6","3","5","3","4","1") = "9"
    & skf18("10","6","3","5","3","5","1") = "9"
    & skf18("10","6","3","5","3","6","1") = "9"
    & skf18("10","6","3","5","3","7","1") = "9"
    & skf18("10","6","3","5","3","8","1") = "9"
    & skf18("10","6","3","5","3","9","1") = "9"
    & skf18("10","6","3","5","3","10","1") = "9"
    & skf18("10","6","3","5","4","1","1") = "9"
    & skf18("10","6","3","5","4","2","1") = "9"
    & skf18("10","6","3","5","4","3","1") = "9"
    & skf18("10","6","3","5","4","4","1") = "9"
    & skf18("10","6","3","5","4","5","1") = "9"
    & skf18("10","6","3","5","4","6","1") = "9"
    & skf18("10","6","3","5","4","7","1") = "9"
    & skf18("10","6","3","5","4","8","1") = "9"
    & skf18("10","6","3","5","4","9","1") = "9"
    & skf18("10","6","3","5","4","10","1") = "9"
    & skf18("10","6","3","5","5","1","1") = "9"
    & skf18("10","6","3","5","5","2","1") = "9"
    & skf18("10","6","3","5","5","3","1") = "9"
    & skf18("10","6","3","5","5","4","1") = "9"
    & skf18("10","6","3","5","5","5","1") = "9"
    & skf18("10","6","3","5","5","6","1") = "9"
    & skf18("10","6","3","5","5","7","1") = "9"
    & skf18("10","6","3","5","5","8","1") = "9"
    & skf18("10","6","3","5","5","9","1") = "9"
    & skf18("10","6","3","5","5","10","1") = "9"
    & skf18("10","6","3","5","6","1","1") = "9"
    & skf18("10","6","3","5","6","2","1") = "9"
    & skf18("10","6","3","5","6","3","1") = "9"
    & skf18("10","6","3","5","6","4","1") = "9"
    & skf18("10","6","3","5","6","5","1") = "9"
    & skf18("10","6","3","5","6","6","1") = "9"
    & skf18("10","6","3","5","6","7","1") = "9"
    & skf18("10","6","3","5","6","8","1") = "9"
    & skf18("10","6","3","5","6","9","1") = "9"
    & skf18("10","6","3","5","6","10","1") = "9"
    & skf18("10","6","3","5","7","1","1") = "9"
    & skf18("10","6","3","5","7","2","1") = "9"
    & skf18("10","6","3","5","7","3","1") = "9"
    & skf18("10","6","3","5","7","4","1") = "9"
    & skf18("10","6","3","5","7","5","1") = "9"
    & skf18("10","6","3","5","7","6","1") = "9"
    & skf18("10","6","3","5","7","7","1") = "9"
    & skf18("10","6","3","5","7","8","1") = "9"
    & skf18("10","6","3","5","7","9","1") = "9"
    & skf18("10","6","3","5","7","10","1") = "9"
    & skf18("10","6","3","5","8","1","1") = "9"
    & skf18("10","6","3","5","8","2","1") = "9"
    & skf18("10","6","3","5","8","3","1") = "9"
    & skf18("10","6","3","5","8","4","1") = "9"
    & skf18("10","6","3","5","8","5","1") = "9"
    & skf18("10","6","3","5","8","6","1") = "9"
    & skf18("10","6","3","5","8","7","1") = "9"
    & skf18("10","6","3","5","8","8","1") = "9"
    & skf18("10","6","3","5","8","9","1") = "9"
    & skf18("10","6","3","5","8","10","1") = "9"
    & skf18("10","6","3","5","9","1","1") = "9"
    & skf18("10","6","3","5","9","2","1") = "9"
    & skf18("10","6","3","5","9","3","1") = "9"
    & skf18("10","6","3","5","9","4","1") = "9"
    & skf18("10","6","3","5","9","5","1") = "9"
    & skf18("10","6","3","5","9","6","1") = "9"
    & skf18("10","6","3","5","9","7","1") = "9"
    & skf18("10","6","3","5","9","8","1") = "9"
    & skf18("10","6","3","5","9","9","1") = "9"
    & skf18("10","6","3","5","9","10","1") = "9"
    & skf18("10","6","3","5","10","1","1") = "9"
    & skf18("10","6","3","5","10","2","1") = "9"
    & skf18("10","6","3","5","10","3","1") = "9"
    & skf18("10","6","3","5","10","4","1") = "9"
    & skf18("10","6","3","5","10","5","1") = "9"
    & skf18("10","6","3","5","10","6","1") = "9"
    & skf18("10","6","3","5","10","7","1") = "9"
    & skf18("10","6","3","5","10","8","1") = "9"
    & skf18("10","6","3","5","10","9","1") = "9"
    & skf18("10","6","3","5","10","10","1") = "9"
    & skf18("10","6","3","6","1","1","1") = "9"
    & skf18("10","6","3","6","1","2","1") = "9"
    & skf18("10","6","3","6","1","3","1") = "9"
    & skf18("10","6","3","6","1","4","1") = "9"
    & skf18("10","6","3","6","1","5","1") = "9"
    & skf18("10","6","3","6","1","6","1") = "9"
    & skf18("10","6","3","6","1","7","1") = "9"
    & skf18("10","6","3","6","1","8","1") = "9"
    & skf18("10","6","3","6","1","9","1") = "9"
    & skf18("10","6","3","6","1","10","1") = "9"
    & skf18("10","6","3","6","2","1","1") = "9"
    & skf18("10","6","3","6","2","2","1") = "9"
    & skf18("10","6","3","6","2","3","1") = "9"
    & skf18("10","6","3","6","2","4","1") = "9"
    & skf18("10","6","3","6","2","5","1") = "9"
    & skf18("10","6","3","6","2","6","1") = "9"
    & skf18("10","6","3","6","2","7","1") = "9"
    & skf18("10","6","3","6","2","8","1") = "9"
    & skf18("10","6","3","6","2","9","1") = "9"
    & skf18("10","6","3","6","2","10","1") = "9"
    & skf18("10","6","3","6","3","1","1") = "9"
    & skf18("10","6","3","6","3","2","1") = "9"
    & skf18("10","6","3","6","3","3","1") = "9"
    & skf18("10","6","3","6","3","4","1") = "9"
    & skf18("10","6","3","6","3","5","1") = "9"
    & skf18("10","6","3","6","3","6","1") = "9"
    & skf18("10","6","3","6","3","7","1") = "9"
    & skf18("10","6","3","6","3","8","1") = "9"
    & skf18("10","6","3","6","3","9","1") = "9"
    & skf18("10","6","3","6","3","10","1") = "9"
    & skf18("10","6","3","6","4","1","1") = "9"
    & skf18("10","6","3","6","4","2","1") = "9"
    & skf18("10","6","3","6","4","3","1") = "9"
    & skf18("10","6","3","6","4","4","1") = "9"
    & skf18("10","6","3","6","4","5","1") = "9"
    & skf18("10","6","3","6","4","6","1") = "9"
    & skf18("10","6","3","6","4","7","1") = "9"
    & skf18("10","6","3","6","4","8","1") = "9"
    & skf18("10","6","3","6","4","9","1") = "9"
    & skf18("10","6","3","6","4","10","1") = "9"
    & skf18("10","6","3","6","5","1","1") = "9"
    & skf18("10","6","3","6","5","2","1") = "9"
    & skf18("10","6","3","6","5","3","1") = "9"
    & skf18("10","6","3","6","5","4","1") = "9"
    & skf18("10","6","3","6","5","5","1") = "9"
    & skf18("10","6","3","6","5","6","1") = "9"
    & skf18("10","6","3","6","5","7","1") = "9"
    & skf18("10","6","3","6","5","8","1") = "9"
    & skf18("10","6","3","6","5","9","1") = "9"
    & skf18("10","6","3","6","5","10","1") = "9"
    & skf18("10","6","3","6","6","1","1") = "9"
    & skf18("10","6","3","6","6","2","1") = "9"
    & skf18("10","6","3","6","6","3","1") = "9"
    & skf18("10","6","3","6","6","4","1") = "9"
    & skf18("10","6","3","6","6","5","1") = "9"
    & skf18("10","6","3","6","6","6","1") = "9"
    & skf18("10","6","3","6","6","7","1") = "9"
    & skf18("10","6","3","6","6","8","1") = "9"
    & skf18("10","6","3","6","6","9","1") = "9"
    & skf18("10","6","3","6","6","10","1") = "9"
    & skf18("10","6","3","6","7","1","1") = "9"
    & skf18("10","6","3","6","7","2","1") = "9"
    & skf18("10","6","3","6","7","3","1") = "9"
    & skf18("10","6","3","6","7","4","1") = "9"
    & skf18("10","6","3","6","7","5","1") = "9"
    & skf18("10","6","3","6","7","6","1") = "9"
    & skf18("10","6","3","6","7","7","1") = "9"
    & skf18("10","6","3","6","7","8","1") = "9"
    & skf18("10","6","3","6","7","9","1") = "9"
    & skf18("10","6","3","6","7","10","1") = "9"
    & skf18("10","6","3","6","8","1","1") = "9"
    & skf18("10","6","3","6","8","2","1") = "9"
    & skf18("10","6","3","6","8","3","1") = "9"
    & skf18("10","6","3","6","8","4","1") = "9"
    & skf18("10","6","3","6","8","5","1") = "9"
    & skf18("10","6","3","6","8","6","1") = "9"
    & skf18("10","6","3","6","8","7","1") = "9"
    & skf18("10","6","3","6","8","8","1") = "9"
    & skf18("10","6","3","6","8","9","1") = "9"
    & skf18("10","6","3","6","8","10","1") = "9"
    & skf18("10","6","3","6","9","1","1") = "9"
    & skf18("10","6","3","6","9","2","1") = "9"
    & skf18("10","6","3","6","9","3","1") = "9"
    & skf18("10","6","3","6","9","4","1") = "9"
    & skf18("10","6","3","6","9","5","1") = "9"
    & skf18("10","6","3","6","9","6","1") = "9"
    & skf18("10","6","3","6","9","7","1") = "9"
    & skf18("10","6","3","6","9","8","1") = "9"
    & skf18("10","6","3","6","9","9","1") = "9"
    & skf18("10","6","3","6","9","10","1") = "9"
    & skf18("10","6","3","6","10","1","1") = "9"
    & skf18("10","6","3","6","10","2","1") = "9"
    & skf18("10","6","3","6","10","3","1") = "9"
    & skf18("10","6","3","6","10","4","1") = "9"
    & skf18("10","6","3","6","10","5","1") = "9"
    & skf18("10","6","3","6","10","6","1") = "9"
    & skf18("10","6","3","6","10","7","1") = "9"
    & skf18("10","6","3","6","10","8","1") = "9"
    & skf18("10","6","3","6","10","9","1") = "9"
    & skf18("10","6","3","6","10","10","1") = "9"
    & skf18("10","6","3","7","1","1","1") = "9"
    & skf18("10","6","3","7","1","2","1") = "9"
    & skf18("10","6","3","7","1","3","1") = "9"
    & skf18("10","6","3","7","1","4","1") = "9"
    & skf18("10","6","3","7","1","5","1") = "9"
    & skf18("10","6","3","7","1","6","1") = "9"
    & skf18("10","6","3","7","1","7","1") = "9"
    & skf18("10","6","3","7","1","8","1") = "9"
    & skf18("10","6","3","7","1","9","1") = "9"
    & skf18("10","6","3","7","1","10","1") = "9"
    & skf18("10","6","3","7","2","1","1") = "9"
    & skf18("10","6","3","7","2","2","1") = "9"
    & skf18("10","6","3","7","2","3","1") = "9"
    & skf18("10","6","3","7","2","4","1") = "9"
    & skf18("10","6","3","7","2","5","1") = "9"
    & skf18("10","6","3","7","2","6","1") = "9"
    & skf18("10","6","3","7","2","7","1") = "9"
    & skf18("10","6","3","7","2","8","1") = "9"
    & skf18("10","6","3","7","2","9","1") = "9"
    & skf18("10","6","3","7","2","10","1") = "9"
    & skf18("10","6","3","7","3","1","1") = "9"
    & skf18("10","6","3","7","3","2","1") = "9"
    & skf18("10","6","3","7","3","3","1") = "9"
    & skf18("10","6","3","7","3","4","1") = "9"
    & skf18("10","6","3","7","3","5","1") = "9"
    & skf18("10","6","3","7","3","6","1") = "9"
    & skf18("10","6","3","7","3","7","1") = "9"
    & skf18("10","6","3","7","3","8","1") = "9"
    & skf18("10","6","3","7","3","9","1") = "9"
    & skf18("10","6","3","7","3","10","1") = "9"
    & skf18("10","6","3","7","4","1","1") = "9"
    & skf18("10","6","3","7","4","2","1") = "9"
    & skf18("10","6","3","7","4","3","1") = "9"
    & skf18("10","6","3","7","4","4","1") = "9"
    & skf18("10","6","3","7","4","5","1") = "9"
    & skf18("10","6","3","7","4","6","1") = "9"
    & skf18("10","6","3","7","4","7","1") = "9"
    & skf18("10","6","3","7","4","8","1") = "9"
    & skf18("10","6","3","7","4","9","1") = "9"
    & skf18("10","6","3","7","4","10","1") = "9"
    & skf18("10","6","3","7","5","1","1") = "9"
    & skf18("10","6","3","7","5","2","1") = "9"
    & skf18("10","6","3","7","5","3","1") = "9"
    & skf18("10","6","3","7","5","4","1") = "9"
    & skf18("10","6","3","7","5","5","1") = "9"
    & skf18("10","6","3","7","5","6","1") = "9"
    & skf18("10","6","3","7","5","7","1") = "9"
    & skf18("10","6","3","7","5","8","1") = "9"
    & skf18("10","6","3","7","5","9","1") = "9"
    & skf18("10","6","3","7","5","10","1") = "9"
    & skf18("10","6","3","7","6","1","1") = "9"
    & skf18("10","6","3","7","6","2","1") = "9"
    & skf18("10","6","3","7","6","3","1") = "9"
    & skf18("10","6","3","7","6","4","1") = "9"
    & skf18("10","6","3","7","6","5","1") = "9"
    & skf18("10","6","3","7","6","6","1") = "9"
    & skf18("10","6","3","7","6","7","1") = "9"
    & skf18("10","6","3","7","6","8","1") = "9"
    & skf18("10","6","3","7","6","9","1") = "9"
    & skf18("10","6","3","7","6","10","1") = "9"
    & skf18("10","6","3","7","7","1","1") = "9"
    & skf18("10","6","3","7","7","2","1") = "9"
    & skf18("10","6","3","7","7","3","1") = "9"
    & skf18("10","6","3","7","7","4","1") = "9"
    & skf18("10","6","3","7","7","5","1") = "9"
    & skf18("10","6","3","7","7","6","1") = "9"
    & skf18("10","6","3","7","7","7","1") = "9"
    & skf18("10","6","3","7","7","8","1") = "9"
    & skf18("10","6","3","7","7","9","1") = "9"
    & skf18("10","6","3","7","7","10","1") = "9"
    & skf18("10","6","3","7","8","1","1") = "9"
    & skf18("10","6","3","7","8","2","1") = "9"
    & skf18("10","6","3","7","8","3","1") = "9"
    & skf18("10","6","3","7","8","4","1") = "9"
    & skf18("10","6","3","7","8","5","1") = "9"
    & skf18("10","6","3","7","8","6","1") = "9"
    & skf18("10","6","3","7","8","7","1") = "9"
    & skf18("10","6","3","7","8","8","1") = "9"
    & skf18("10","6","3","7","8","9","1") = "9"
    & skf18("10","6","3","7","8","10","1") = "9"
    & skf18("10","6","3","7","9","1","1") = "9"
    & skf18("10","6","3","7","9","2","1") = "9"
    & skf18("10","6","3","7","9","3","1") = "9"
    & skf18("10","6","3","7","9","4","1") = "9"
    & skf18("10","6","3","7","9","5","1") = "9"
    & skf18("10","6","3","7","9","6","1") = "9"
    & skf18("10","6","3","7","9","7","1") = "9"
    & skf18("10","6","3","7","9","8","1") = "9"
    & skf18("10","6","3","7","9","9","1") = "9"
    & skf18("10","6","3","7","9","10","1") = "9"
    & skf18("10","6","3","7","10","1","1") = "9"
    & skf18("10","6","3","7","10","2","1") = "9"
    & skf18("10","6","3","7","10","3","1") = "9"
    & skf18("10","6","3","7","10","4","1") = "9"
    & skf18("10","6","3","7","10","5","1") = "9"
    & skf18("10","6","3","7","10","6","1") = "9"
    & skf18("10","6","3","7","10","7","1") = "9"
    & skf18("10","6","3","7","10","8","1") = "9"
    & skf18("10","6","3","7","10","9","1") = "9"
    & skf18("10","6","3","7","10","10","1") = "9"
    & skf18("10","6","3","8","1","1","1") = "9"
    & skf18("10","6","3","8","1","2","1") = "9"
    & skf18("10","6","3","8","1","3","1") = "9"
    & skf18("10","6","3","8","1","4","1") = "9"
    & skf18("10","6","3","8","1","5","1") = "9"
    & skf18("10","6","3","8","1","6","1") = "9"
    & skf18("10","6","3","8","1","7","1") = "9"
    & skf18("10","6","3","8","1","8","1") = "9"
    & skf18("10","6","3","8","1","9","1") = "9"
    & skf18("10","6","3","8","1","10","1") = "9"
    & skf18("10","6","3","8","2","1","1") = "9"
    & skf18("10","6","3","8","2","2","1") = "9"
    & skf18("10","6","3","8","2","3","1") = "9"
    & skf18("10","6","3","8","2","4","1") = "9"
    & skf18("10","6","3","8","2","5","1") = "9"
    & skf18("10","6","3","8","2","6","1") = "9"
    & skf18("10","6","3","8","2","7","1") = "9"
    & skf18("10","6","3","8","2","8","1") = "9"
    & skf18("10","6","3","8","2","9","1") = "9"
    & skf18("10","6","3","8","2","10","1") = "9"
    & skf18("10","6","3","8","3","1","1") = "9"
    & skf18("10","6","3","8","3","2","1") = "9"
    & skf18("10","6","3","8","3","3","1") = "9"
    & skf18("10","6","3","8","3","4","1") = "9"
    & skf18("10","6","3","8","3","5","1") = "9"
    & skf18("10","6","3","8","3","6","1") = "9"
    & skf18("10","6","3","8","3","7","1") = "9"
    & skf18("10","6","3","8","3","8","1") = "9"
    & skf18("10","6","3","8","3","9","1") = "9"
    & skf18("10","6","3","8","3","10","1") = "9"
    & skf18("10","6","3","8","4","1","1") = "9"
    & skf18("10","6","3","8","4","2","1") = "9"
    & skf18("10","6","3","8","4","3","1") = "9"
    & skf18("10","6","3","8","4","4","1") = "9"
    & skf18("10","6","3","8","4","5","1") = "9"
    & skf18("10","6","3","8","4","6","1") = "9"
    & skf18("10","6","3","8","4","7","1") = "9"
    & skf18("10","6","3","8","4","8","1") = "9"
    & skf18("10","6","3","8","4","9","1") = "9"
    & skf18("10","6","3","8","4","10","1") = "9"
    & skf18("10","6","3","8","5","1","1") = "9"
    & skf18("10","6","3","8","5","2","1") = "9"
    & skf18("10","6","3","8","5","3","1") = "9"
    & skf18("10","6","3","8","5","4","1") = "9"
    & skf18("10","6","3","8","5","5","1") = "9"
    & skf18("10","6","3","8","5","6","1") = "9"
    & skf18("10","6","3","8","5","7","1") = "9"
    & skf18("10","6","3","8","5","8","1") = "9"
    & skf18("10","6","3","8","5","9","1") = "9"
    & skf18("10","6","3","8","5","10","1") = "9"
    & skf18("10","6","3","8","6","1","1") = "9"
    & skf18("10","6","3","8","6","2","1") = "9"
    & skf18("10","6","3","8","6","3","1") = "9"
    & skf18("10","6","3","8","6","4","1") = "9"
    & skf18("10","6","3","8","6","5","1") = "9"
    & skf18("10","6","3","8","6","6","1") = "9"
    & skf18("10","6","3","8","6","7","1") = "9"
    & skf18("10","6","3","8","6","8","1") = "9"
    & skf18("10","6","3","8","6","9","1") = "9"
    & skf18("10","6","3","8","6","10","1") = "9"
    & skf18("10","6","3","8","7","1","1") = "9"
    & skf18("10","6","3","8","7","2","1") = "9"
    & skf18("10","6","3","8","7","3","1") = "9"
    & skf18("10","6","3","8","7","4","1") = "9"
    & skf18("10","6","3","8","7","5","1") = "9"
    & skf18("10","6","3","8","7","6","1") = "9"
    & skf18("10","6","3","8","7","7","1") = "9"
    & skf18("10","6","3","8","7","8","1") = "9"
    & skf18("10","6","3","8","7","9","1") = "9"
    & skf18("10","6","3","8","7","10","1") = "9"
    & skf18("10","6","3","8","8","1","1") = "9"
    & skf18("10","6","3","8","8","2","1") = "9"
    & skf18("10","6","3","8","8","3","1") = "9"
    & skf18("10","6","3","8","8","4","1") = "9"
    & skf18("10","6","3","8","8","5","1") = "9"
    & skf18("10","6","3","8","8","6","1") = "9"
    & skf18("10","6","3","8","8","7","1") = "9"
    & skf18("10","6","3","8","8","8","1") = "9"
    & skf18("10","6","3","8","8","9","1") = "9"
    & skf18("10","6","3","8","8","10","1") = "9"
    & skf18("10","6","3","8","9","1","1") = "9"
    & skf18("10","6","3","8","9","2","1") = "9"
    & skf18("10","6","3","8","9","3","1") = "9"
    & skf18("10","6","3","8","9","4","1") = "9"
    & skf18("10","6","3","8","9","5","1") = "9"
    & skf18("10","6","3","8","9","6","1") = "9"
    & skf18("10","6","3","8","9","7","1") = "9"
    & skf18("10","6","3","8","9","8","1") = "9"
    & skf18("10","6","3","8","9","9","1") = "9"
    & skf18("10","6","3","8","9","10","1") = "9"
    & skf18("10","6","3","8","10","1","1") = "9"
    & skf18("10","6","3","8","10","2","1") = "9"
    & skf18("10","6","3","8","10","3","1") = "9"
    & skf18("10","6","3","8","10","4","1") = "9"
    & skf18("10","6","3","8","10","5","1") = "9"
    & skf18("10","6","3","8","10","6","1") = "9"
    & skf18("10","6","3","8","10","7","1") = "9"
    & skf18("10","6","3","8","10","8","1") = "9"
    & skf18("10","6","3","8","10","9","1") = "9"
    & skf18("10","6","3","8","10","10","1") = "9"
    & skf18("10","6","3","9","1","1","1") = "9"
    & skf18("10","6","3","9","1","2","1") = "9"
    & skf18("10","6","3","9","1","3","1") = "9"
    & skf18("10","6","3","9","1","4","1") = "9"
    & skf18("10","6","3","9","1","5","1") = "9"
    & skf18("10","6","3","9","1","6","1") = "9"
    & skf18("10","6","3","9","1","7","1") = "9"
    & skf18("10","6","3","9","1","8","1") = "9"
    & skf18("10","6","3","9","1","9","1") = "9"
    & skf18("10","6","3","9","1","10","1") = "9"
    & skf18("10","6","3","9","2","1","1") = "9"
    & skf18("10","6","3","9","2","2","1") = "9"
    & skf18("10","6","3","9","2","3","1") = "9"
    & skf18("10","6","3","9","2","4","1") = "9"
    & skf18("10","6","3","9","2","5","1") = "9"
    & skf18("10","6","3","9","2","6","1") = "9"
    & skf18("10","6","3","9","2","7","1") = "9"
    & skf18("10","6","3","9","2","8","1") = "9"
    & skf18("10","6","3","9","2","9","1") = "9"
    & skf18("10","6","3","9","2","10","1") = "9"
    & skf18("10","6","3","9","3","1","1") = "9"
    & skf18("10","6","3","9","3","2","1") = "9"
    & skf18("10","6","3","9","3","3","1") = "9"
    & skf18("10","6","3","9","3","4","1") = "9"
    & skf18("10","6","3","9","3","5","1") = "9"
    & skf18("10","6","3","9","3","6","1") = "9"
    & skf18("10","6","3","9","3","7","1") = "9"
    & skf18("10","6","3","9","3","8","1") = "9"
    & skf18("10","6","3","9","3","9","1") = "9"
    & skf18("10","6","3","9","3","10","1") = "9"
    & skf18("10","6","3","9","4","1","1") = "9"
    & skf18("10","6","3","9","4","2","1") = "9"
    & skf18("10","6","3","9","4","3","1") = "9"
    & skf18("10","6","3","9","4","4","1") = "9"
    & skf18("10","6","3","9","4","5","1") = "9"
    & skf18("10","6","3","9","4","6","1") = "9"
    & skf18("10","6","3","9","4","7","1") = "9"
    & skf18("10","6","3","9","4","8","1") = "9"
    & skf18("10","6","3","9","4","9","1") = "9"
    & skf18("10","6","3","9","4","10","1") = "9"
    & skf18("10","6","3","9","5","1","1") = "9"
    & skf18("10","6","3","9","5","2","1") = "9"
    & skf18("10","6","3","9","5","3","1") = "9"
    & skf18("10","6","3","9","5","4","1") = "9"
    & skf18("10","6","3","9","5","5","1") = "9"
    & skf18("10","6","3","9","5","6","1") = "9"
    & skf18("10","6","3","9","5","7","1") = "9"
    & skf18("10","6","3","9","5","8","1") = "9"
    & skf18("10","6","3","9","5","9","1") = "9"
    & skf18("10","6","3","9","5","10","1") = "9"
    & skf18("10","6","3","9","6","1","1") = "9"
    & skf18("10","6","3","9","6","2","1") = "9"
    & skf18("10","6","3","9","6","3","1") = "9"
    & skf18("10","6","3","9","6","4","1") = "9"
    & skf18("10","6","3","9","6","5","1") = "9"
    & skf18("10","6","3","9","6","6","1") = "9"
    & skf18("10","6","3","9","6","7","1") = "9"
    & skf18("10","6","3","9","6","8","1") = "9"
    & skf18("10","6","3","9","6","9","1") = "9"
    & skf18("10","6","3","9","6","10","1") = "9"
    & skf18("10","6","3","9","7","1","1") = "9"
    & skf18("10","6","3","9","7","2","1") = "9"
    & skf18("10","6","3","9","7","3","1") = "9"
    & skf18("10","6","3","9","7","4","1") = "9"
    & skf18("10","6","3","9","7","5","1") = "9"
    & skf18("10","6","3","9","7","6","1") = "9"
    & skf18("10","6","3","9","7","7","1") = "9"
    & skf18("10","6","3","9","7","8","1") = "9"
    & skf18("10","6","3","9","7","9","1") = "9"
    & skf18("10","6","3","9","7","10","1") = "9"
    & skf18("10","6","3","9","8","1","1") = "9"
    & skf18("10","6","3","9","8","2","1") = "9"
    & skf18("10","6","3","9","8","3","1") = "9"
    & skf18("10","6","3","9","8","4","1") = "9"
    & skf18("10","6","3","9","8","5","1") = "9"
    & skf18("10","6","3","9","8","6","1") = "9"
    & skf18("10","6","3","9","8","7","1") = "9"
    & skf18("10","6","3","9","8","8","1") = "9"
    & skf18("10","6","3","9","8","9","1") = "9"
    & skf18("10","6","3","9","8","10","1") = "9"
    & skf18("10","6","3","9","9","1","1") = "9"
    & skf18("10","6","3","9","9","2","1") = "9"
    & skf18("10","6","3","9","9","3","1") = "9"
    & skf18("10","6","3","9","9","4","1") = "9"
    & skf18("10","6","3","9","9","5","1") = "9"
    & skf18("10","6","3","9","9","6","1") = "9"
    & skf18("10","6","3","9","9","7","1") = "9"
    & skf18("10","6","3","9","9","8","1") = "9"
    & skf18("10","6","3","9","9","9","1") = "9"
    & skf18("10","6","3","9","9","10","1") = "9"
    & skf18("10","6","3","9","10","1","1") = "9"
    & skf18("10","6","3","9","10","2","1") = "9"
    & skf18("10","6","3","9","10","3","1") = "9"
    & skf18("10","6","3","9","10","4","1") = "9"
    & skf18("10","6","3","9","10","5","1") = "9"
    & skf18("10","6","3","9","10","6","1") = "9"
    & skf18("10","6","3","9","10","7","1") = "9"
    & skf18("10","6","3","9","10","8","1") = "9"
    & skf18("10","6","3","9","10","9","1") = "9"
    & skf18("10","6","3","9","10","10","1") = "9"
    & skf18("10","6","3","10","1","1","1") = "9"
    & skf18("10","6","3","10","1","2","1") = "9"
    & skf18("10","6","3","10","1","3","1") = "9"
    & skf18("10","6","3","10","1","4","1") = "9"
    & skf18("10","6","3","10","1","5","1") = "9"
    & skf18("10","6","3","10","1","6","1") = "9"
    & skf18("10","6","3","10","1","7","1") = "9"
    & skf18("10","6","3","10","1","8","1") = "9"
    & skf18("10","6","3","10","1","9","1") = "9"
    & skf18("10","6","3","10","1","10","1") = "9"
    & skf18("10","6","3","10","2","1","1") = "9"
    & skf18("10","6","3","10","2","2","1") = "9"
    & skf18("10","6","3","10","2","3","1") = "9"
    & skf18("10","6","3","10","2","4","1") = "9"
    & skf18("10","6","3","10","2","5","1") = "9"
    & skf18("10","6","3","10","2","6","1") = "9"
    & skf18("10","6","3","10","2","7","1") = "9"
    & skf18("10","6","3","10","2","8","1") = "9"
    & skf18("10","6","3","10","2","9","1") = "9"
    & skf18("10","6","3","10","2","10","1") = "9"
    & skf18("10","6","3","10","3","1","1") = "9"
    & skf18("10","6","3","10","3","2","1") = "9"
    & skf18("10","6","3","10","3","3","1") = "9"
    & skf18("10","6","3","10","3","4","1") = "9"
    & skf18("10","6","3","10","3","5","1") = "9"
    & skf18("10","6","3","10","3","6","1") = "9"
    & skf18("10","6","3","10","3","7","1") = "9"
    & skf18("10","6","3","10","3","8","1") = "9"
    & skf18("10","6","3","10","3","9","1") = "9"
    & skf18("10","6","3","10","3","10","1") = "9"
    & skf18("10","6","3","10","4","1","1") = "9"
    & skf18("10","6","3","10","4","2","1") = "9"
    & skf18("10","6","3","10","4","3","1") = "9"
    & skf18("10","6","3","10","4","4","1") = "9"
    & skf18("10","6","3","10","4","5","1") = "9"
    & skf18("10","6","3","10","4","6","1") = "9"
    & skf18("10","6","3","10","4","7","1") = "9"
    & skf18("10","6","3","10","4","8","1") = "9"
    & skf18("10","6","3","10","4","9","1") = "9"
    & skf18("10","6","3","10","4","10","1") = "9"
    & skf18("10","6","3","10","5","1","1") = "9"
    & skf18("10","6","3","10","5","2","1") = "9"
    & skf18("10","6","3","10","5","3","1") = "9"
    & skf18("10","6","3","10","5","4","1") = "9"
    & skf18("10","6","3","10","5","5","1") = "9"
    & skf18("10","6","3","10","5","6","1") = "9"
    & skf18("10","6","3","10","5","7","1") = "9"
    & skf18("10","6","3","10","5","8","1") = "9"
    & skf18("10","6","3","10","5","9","1") = "9"
    & skf18("10","6","3","10","5","10","1") = "9"
    & skf18("10","6","3","10","6","1","1") = "9"
    & skf18("10","6","3","10","6","2","1") = "9"
    & skf18("10","6","3","10","6","3","1") = "9"
    & skf18("10","6","3","10","6","4","1") = "9"
    & skf18("10","6","3","10","6","5","1") = "9"
    & skf18("10","6","3","10","6","6","1") = "9"
    & skf18("10","6","3","10","6","7","1") = "9"
    & skf18("10","6","3","10","6","8","1") = "9"
    & skf18("10","6","3","10","6","9","1") = "9"
    & skf18("10","6","3","10","6","10","1") = "9"
    & skf18("10","6","3","10","7","1","1") = "9"
    & skf18("10","6","3","10","7","2","1") = "9"
    & skf18("10","6","3","10","7","3","1") = "9"
    & skf18("10","6","3","10","7","4","1") = "9"
    & skf18("10","6","3","10","7","5","1") = "9"
    & skf18("10","6","3","10","7","6","1") = "9"
    & skf18("10","6","3","10","7","7","1") = "9"
    & skf18("10","6","3","10","7","8","1") = "9"
    & skf18("10","6","3","10","7","9","1") = "9"
    & skf18("10","6","3","10","7","10","1") = "9"
    & skf18("10","6","3","10","8","1","1") = "9"
    & skf18("10","6","3","10","8","2","1") = "9"
    & skf18("10","6","3","10","8","3","1") = "9"
    & skf18("10","6","3","10","8","4","1") = "9"
    & skf18("10","6","3","10","8","5","1") = "9"
    & skf18("10","6","3","10","8","6","1") = "9"
    & skf18("10","6","3","10","8","7","1") = "9"
    & skf18("10","6","3","10","8","8","1") = "9"
    & skf18("10","6","3","10","8","9","1") = "9"
    & skf18("10","6","3","10","8","10","1") = "9"
    & skf18("10","6","3","10","9","1","1") = "9"
    & skf18("10","6","3","10","9","2","1") = "9"
    & skf18("10","6","3","10","9","3","1") = "9"
    & skf18("10","6","3","10","9","4","1") = "9"
    & skf18("10","6","3","10","9","5","1") = "9"
    & skf18("10","6","3","10","9","6","1") = "9"
    & skf18("10","6","3","10","9","7","1") = "9"
    & skf18("10","6","3","10","9","8","1") = "9"
    & skf18("10","6","3","10","9","9","1") = "9"
    & skf18("10","6","3","10","9","10","1") = "9"
    & skf18("10","6","3","10","10","1","1") = "9"
    & skf18("10","6","3","10","10","2","1") = "9"
    & skf18("10","6","3","10","10","3","1") = "9"
    & skf18("10","6","3","10","10","4","1") = "9"
    & skf18("10","6","3","10","10","5","1") = "9"
    & skf18("10","6","3","10","10","6","1") = "9"
    & skf18("10","6","3","10","10","7","1") = "9"
    & skf18("10","6","3","10","10","8","1") = "9"
    & skf18("10","6","3","10","10","9","1") = "9"
    & skf18("10","6","3","10","10","10","1") = "9"
    & skf18("10","6","4","1","1","1","1") = "9"
    & skf18("10","6","4","1","1","2","1") = "9"
    & skf18("10","6","4","1","1","3","1") = "9"
    & skf18("10","6","4","1","1","4","1") = "9"
    & skf18("10","6","4","1","1","5","1") = "9"
    & skf18("10","6","4","1","1","6","1") = "9"
    & skf18("10","6","4","1","1","7","1") = "9"
    & skf18("10","6","4","1","1","8","1") = "9"
    & skf18("10","6","4","1","1","9","1") = "9"
    & skf18("10","6","4","1","1","10","1") = "9"
    & skf18("10","6","4","1","2","1","1") = "9"
    & skf18("10","6","4","1","2","2","1") = "9"
    & skf18("10","6","4","1","2","3","1") = "9"
    & skf18("10","6","4","1","2","4","1") = "9"
    & skf18("10","6","4","1","2","5","1") = "9"
    & skf18("10","6","4","1","2","6","1") = "9"
    & skf18("10","6","4","1","2","7","1") = "9"
    & skf18("10","6","4","1","2","8","1") = "9"
    & skf18("10","6","4","1","2","9","1") = "9"
    & skf18("10","6","4","1","2","10","1") = "9"
    & skf18("10","6","4","1","3","1","1") = "9"
    & skf18("10","6","4","1","3","2","1") = "9"
    & skf18("10","6","4","1","3","3","1") = "9"
    & skf18("10","6","4","1","3","4","1") = "9"
    & skf18("10","6","4","1","3","5","1") = "9"
    & skf18("10","6","4","1","3","6","1") = "9"
    & skf18("10","6","4","1","3","7","1") = "9"
    & skf18("10","6","4","1","3","8","1") = "9"
    & skf18("10","6","4","1","3","9","1") = "9"
    & skf18("10","6","4","1","3","10","1") = "9"
    & skf18("10","6","4","1","4","1","1") = "9"
    & skf18("10","6","4","1","4","2","1") = "9"
    & skf18("10","6","4","1","4","3","1") = "9"
    & skf18("10","6","4","1","4","4","1") = "9"
    & skf18("10","6","4","1","4","5","1") = "9"
    & skf18("10","6","4","1","4","6","1") = "9"
    & skf18("10","6","4","1","4","7","1") = "9"
    & skf18("10","6","4","1","4","8","1") = "9"
    & skf18("10","6","4","1","4","9","1") = "9"
    & skf18("10","6","4","1","4","10","1") = "9"
    & skf18("10","6","4","1","5","1","1") = "9"
    & skf18("10","6","4","1","5","2","1") = "9"
    & skf18("10","6","4","1","5","3","1") = "9"
    & skf18("10","6","4","1","5","4","1") = "9"
    & skf18("10","6","4","1","5","5","1") = "9"
    & skf18("10","6","4","1","5","6","1") = "9"
    & skf18("10","6","4","1","5","7","1") = "9"
    & skf18("10","6","4","1","5","8","1") = "9"
    & skf18("10","6","4","1","5","9","1") = "9"
    & skf18("10","6","4","1","5","10","1") = "9"
    & skf18("10","6","4","1","6","1","1") = "9"
    & skf18("10","6","4","1","6","2","1") = "9"
    & skf18("10","6","4","1","6","3","1") = "9"
    & skf18("10","6","4","1","6","4","1") = "9"
    & skf18("10","6","4","1","6","5","1") = "9"
    & skf18("10","6","4","1","6","6","1") = "9"
    & skf18("10","6","4","1","6","7","1") = "9"
    & skf18("10","6","4","1","6","8","1") = "9"
    & skf18("10","6","4","1","6","9","1") = "9"
    & skf18("10","6","4","1","6","10","1") = "9"
    & skf18("10","6","4","1","7","1","1") = "9"
    & skf18("10","6","4","1","7","2","1") = "9"
    & skf18("10","6","4","1","7","3","1") = "9"
    & skf18("10","6","4","1","7","4","1") = "9"
    & skf18("10","6","4","1","7","5","1") = "9"
    & skf18("10","6","4","1","7","6","1") = "9"
    & skf18("10","6","4","1","7","7","1") = "9"
    & skf18("10","6","4","1","7","8","1") = "9"
    & skf18("10","6","4","1","7","9","1") = "9"
    & skf18("10","6","4","1","7","10","1") = "9"
    & skf18("10","6","4","1","8","1","1") = "9"
    & skf18("10","6","4","1","8","2","1") = "9"
    & skf18("10","6","4","1","8","3","1") = "9"
    & skf18("10","6","4","1","8","4","1") = "9"
    & skf18("10","6","4","1","8","5","1") = "9"
    & skf18("10","6","4","1","8","6","1") = "9"
    & skf18("10","6","4","1","8","7","1") = "9"
    & skf18("10","6","4","1","8","8","1") = "9"
    & skf18("10","6","4","1","8","9","1") = "9"
    & skf18("10","6","4","1","8","10","1") = "9"
    & skf18("10","6","4","1","9","1","1") = "9"
    & skf18("10","6","4","1","9","2","1") = "9"
    & skf18("10","6","4","1","9","3","1") = "9"
    & skf18("10","6","4","1","9","4","1") = "9"
    & skf18("10","6","4","1","9","5","1") = "9"
    & skf18("10","6","4","1","9","6","1") = "9"
    & skf18("10","6","4","1","9","7","1") = "9"
    & skf18("10","6","4","1","9","8","1") = "9"
    & skf18("10","6","4","1","9","9","1") = "9"
    & skf18("10","6","4","1","9","10","1") = "9"
    & skf18("10","6","4","1","10","1","1") = "9"
    & skf18("10","6","4","1","10","2","1") = "9"
    & skf18("10","6","4","1","10","3","1") = "9"
    & skf18("10","6","4","1","10","4","1") = "9"
    & skf18("10","6","4","1","10","5","1") = "9"
    & skf18("10","6","4","1","10","6","1") = "9"
    & skf18("10","6","4","1","10","7","1") = "9"
    & skf18("10","6","4","1","10","8","1") = "9"
    & skf18("10","6","4","1","10","9","1") = "9"
    & skf18("10","6","4","1","10","10","1") = "9"
    & skf18("10","6","4","2","1","1","1") = "9"
    & skf18("10","6","4","2","1","2","1") = "9"
    & skf18("10","6","4","2","1","3","1") = "9"
    & skf18("10","6","4","2","1","4","1") = "9"
    & skf18("10","6","4","2","1","5","1") = "9"
    & skf18("10","6","4","2","1","6","1") = "9"
    & skf18("10","6","4","2","1","7","1") = "9"
    & skf18("10","6","4","2","1","8","1") = "9"
    & skf18("10","6","4","2","1","9","1") = "9"
    & skf18("10","6","4","2","1","10","1") = "9"
    & skf18("10","6","4","2","2","1","1") = "9"
    & skf18("10","6","4","2","2","2","1") = "9"
    & skf18("10","6","4","2","2","3","1") = "9"
    & skf18("10","6","4","2","2","4","1") = "9"
    & skf18("10","6","4","2","2","5","1") = "9"
    & skf18("10","6","4","2","2","6","1") = "9"
    & skf18("10","6","4","2","2","7","1") = "9"
    & skf18("10","6","4","2","2","8","1") = "9"
    & skf18("10","6","4","2","2","9","1") = "9"
    & skf18("10","6","4","2","2","10","1") = "9"
    & skf18("10","6","4","2","3","1","1") = "9"
    & skf18("10","6","4","2","3","2","1") = "9"
    & skf18("10","6","4","2","3","3","1") = "9"
    & skf18("10","6","4","2","3","4","1") = "9"
    & skf18("10","6","4","2","3","5","1") = "9"
    & skf18("10","6","4","2","3","6","1") = "9"
    & skf18("10","6","4","2","3","7","1") = "9"
    & skf18("10","6","4","2","3","8","1") = "9"
    & skf18("10","6","4","2","3","9","1") = "9"
    & skf18("10","6","4","2","3","10","1") = "9"
    & skf18("10","6","4","2","4","1","1") = "9"
    & skf18("10","6","4","2","4","2","1") = "9"
    & skf18("10","6","4","2","4","3","1") = "9"
    & skf18("10","6","4","2","4","4","1") = "9"
    & skf18("10","6","4","2","4","5","1") = "9"
    & skf18("10","6","4","2","4","6","1") = "9"
    & skf18("10","6","4","2","4","7","1") = "9"
    & skf18("10","6","4","2","4","8","1") = "9"
    & skf18("10","6","4","2","4","9","1") = "9"
    & skf18("10","6","4","2","4","10","1") = "9"
    & skf18("10","6","4","2","5","1","1") = "9"
    & skf18("10","6","4","2","5","2","1") = "9"
    & skf18("10","6","4","2","5","3","1") = "9"
    & skf18("10","6","4","2","5","4","1") = "9"
    & skf18("10","6","4","2","5","5","1") = "9"
    & skf18("10","6","4","2","5","6","1") = "9"
    & skf18("10","6","4","2","5","7","1") = "9"
    & skf18("10","6","4","2","5","8","1") = "9"
    & skf18("10","6","4","2","5","9","1") = "9"
    & skf18("10","6","4","2","5","10","1") = "9"
    & skf18("10","6","4","2","6","1","1") = "9"
    & skf18("10","6","4","2","6","2","1") = "9"
    & skf18("10","6","4","2","6","3","1") = "9"
    & skf18("10","6","4","2","6","4","1") = "9"
    & skf18("10","6","4","2","6","5","1") = "9"
    & skf18("10","6","4","2","6","6","1") = "9"
    & skf18("10","6","4","2","6","7","1") = "9"
    & skf18("10","6","4","2","6","8","1") = "9"
    & skf18("10","6","4","2","6","9","1") = "9"
    & skf18("10","6","4","2","6","10","1") = "9"
    & skf18("10","6","4","2","7","1","1") = "9"
    & skf18("10","6","4","2","7","2","1") = "9"
    & skf18("10","6","4","2","7","3","1") = "9"
    & skf18("10","6","4","2","7","4","1") = "9"
    & skf18("10","6","4","2","7","5","1") = "9"
    & skf18("10","6","4","2","7","6","1") = "9"
    & skf18("10","6","4","2","7","7","1") = "9"
    & skf18("10","6","4","2","7","8","1") = "9"
    & skf18("10","6","4","2","7","9","1") = "9"
    & skf18("10","6","4","2","7","10","1") = "9"
    & skf18("10","6","4","2","8","1","1") = "9"
    & skf18("10","6","4","2","8","2","1") = "9"
    & skf18("10","6","4","2","8","3","1") = "9"
    & skf18("10","6","4","2","8","4","1") = "9"
    & skf18("10","6","4","2","8","5","1") = "9"
    & skf18("10","6","4","2","8","6","1") = "9"
    & skf18("10","6","4","2","8","7","1") = "9"
    & skf18("10","6","4","2","8","8","1") = "9"
    & skf18("10","6","4","2","8","9","1") = "9"
    & skf18("10","6","4","2","8","10","1") = "9"
    & skf18("10","6","4","2","9","1","1") = "9"
    & skf18("10","6","4","2","9","2","1") = "9"
    & skf18("10","6","4","2","9","3","1") = "9"
    & skf18("10","6","4","2","9","4","1") = "9"
    & skf18("10","6","4","2","9","5","1") = "9"
    & skf18("10","6","4","2","9","6","1") = "9"
    & skf18("10","6","4","2","9","7","1") = "9"
    & skf18("10","6","4","2","9","8","1") = "9"
    & skf18("10","6","4","2","9","9","1") = "9"
    & skf18("10","6","4","2","9","10","1") = "9"
    & skf18("10","6","4","2","10","1","1") = "9"
    & skf18("10","6","4","2","10","2","1") = "9"
    & skf18("10","6","4","2","10","3","1") = "9"
    & skf18("10","6","4","2","10","4","1") = "9"
    & skf18("10","6","4","2","10","5","1") = "9"
    & skf18("10","6","4","2","10","6","1") = "9"
    & skf18("10","6","4","2","10","7","1") = "9"
    & skf18("10","6","4","2","10","8","1") = "9"
    & skf18("10","6","4","2","10","9","1") = "9"
    & skf18("10","6","4","2","10","10","1") = "9"
    & skf18("10","6","4","3","1","1","1") = "9"
    & skf18("10","6","4","3","1","2","1") = "9"
    & skf18("10","6","4","3","1","3","1") = "9"
    & skf18("10","6","4","3","1","4","1") = "9"
    & skf18("10","6","4","3","1","5","1") = "9"
    & skf18("10","6","4","3","1","6","1") = "9"
    & skf18("10","6","4","3","1","7","1") = "9"
    & skf18("10","6","4","3","1","8","1") = "9"
    & skf18("10","6","4","3","1","9","1") = "9"
    & skf18("10","6","4","3","1","10","1") = "9"
    & skf18("10","6","4","3","2","1","1") = "9"
    & skf18("10","6","4","3","2","2","1") = "9"
    & skf18("10","6","4","3","2","3","1") = "9"
    & skf18("10","6","4","3","2","4","1") = "9"
    & skf18("10","6","4","3","2","5","1") = "9"
    & skf18("10","6","4","3","2","6","1") = "9"
    & skf18("10","6","4","3","2","7","1") = "9"
    & skf18("10","6","4","3","2","8","1") = "9"
    & skf18("10","6","4","3","2","9","1") = "9"
    & skf18("10","6","4","3","2","10","1") = "9"
    & skf18("10","6","4","3","3","1","1") = "9"
    & skf18("10","6","4","3","3","2","1") = "9"
    & skf18("10","6","4","3","3","3","1") = "9"
    & skf18("10","6","4","3","3","4","1") = "9"
    & skf18("10","6","4","3","3","5","1") = "9"
    & skf18("10","6","4","3","3","6","1") = "9"
    & skf18("10","6","4","3","3","7","1") = "9"
    & skf18("10","6","4","3","3","8","1") = "9"
    & skf18("10","6","4","3","3","9","1") = "9"
    & skf18("10","6","4","3","3","10","1") = "9"
    & skf18("10","6","4","3","4","1","1") = "9"
    & skf18("10","6","4","3","4","2","1") = "9"
    & skf18("10","6","4","3","4","3","1") = "9"
    & skf18("10","6","4","3","4","4","1") = "9"
    & skf18("10","6","4","3","4","5","1") = "9"
    & skf18("10","6","4","3","4","6","1") = "9"
    & skf18("10","6","4","3","4","7","1") = "9"
    & skf18("10","6","4","3","4","8","1") = "9"
    & skf18("10","6","4","3","4","9","1") = "9"
    & skf18("10","6","4","3","4","10","1") = "9"
    & skf18("10","6","4","3","5","1","1") = "9"
    & skf18("10","6","4","3","5","2","1") = "9"
    & skf18("10","6","4","3","5","3","1") = "9"
    & skf18("10","6","4","3","5","4","1") = "9"
    & skf18("10","6","4","3","5","5","1") = "9"
    & skf18("10","6","4","3","5","6","1") = "9"
    & skf18("10","6","4","3","5","7","1") = "9"
    & skf18("10","6","4","3","5","8","1") = "9"
    & skf18("10","6","4","3","5","9","1") = "9"
    & skf18("10","6","4","3","5","10","1") = "9"
    & skf18("10","6","4","3","6","1","1") = "9"
    & skf18("10","6","4","3","6","2","1") = "9"
    & skf18("10","6","4","3","6","3","1") = "9"
    & skf18("10","6","4","3","6","4","1") = "9"
    & skf18("10","6","4","3","6","5","1") = "9"
    & skf18("10","6","4","3","6","6","1") = "9"
    & skf18("10","6","4","3","6","7","1") = "9"
    & skf18("10","6","4","3","6","8","1") = "9"
    & skf18("10","6","4","3","6","9","1") = "9"
    & skf18("10","6","4","3","6","10","1") = "9"
    & skf18("10","6","4","3","7","1","1") = "9"
    & skf18("10","6","4","3","7","2","1") = "9"
    & skf18("10","6","4","3","7","3","1") = "9"
    & skf18("10","6","4","3","7","4","1") = "9"
    & skf18("10","6","4","3","7","5","1") = "9"
    & skf18("10","6","4","3","7","6","1") = "9"
    & skf18("10","6","4","3","7","7","1") = "9"
    & skf18("10","6","4","3","7","8","1") = "9"
    & skf18("10","6","4","3","7","9","1") = "9"
    & skf18("10","6","4","3","7","10","1") = "9"
    & skf18("10","6","4","3","8","1","1") = "9"
    & skf18("10","6","4","3","8","2","1") = "9"
    & skf18("10","6","4","3","8","3","1") = "9"
    & skf18("10","6","4","3","8","4","1") = "9"
    & skf18("10","6","4","3","8","5","1") = "9"
    & skf18("10","6","4","3","8","6","1") = "9"
    & skf18("10","6","4","3","8","7","1") = "9"
    & skf18("10","6","4","3","8","8","1") = "9"
    & skf18("10","6","4","3","8","9","1") = "9"
    & skf18("10","6","4","3","8","10","1") = "9"
    & skf18("10","6","4","3","9","1","1") = "9"
    & skf18("10","6","4","3","9","2","1") = "9"
    & skf18("10","6","4","3","9","3","1") = "9"
    & skf18("10","6","4","3","9","4","1") = "9"
    & skf18("10","6","4","3","9","5","1") = "9"
    & skf18("10","6","4","3","9","6","1") = "9"
    & skf18("10","6","4","3","9","7","1") = "9"
    & skf18("10","6","4","3","9","8","1") = "9"
    & skf18("10","6","4","3","9","9","1") = "9"
    & skf18("10","6","4","3","9","10","1") = "9"
    & skf18("10","6","4","3","10","1","1") = "9"
    & skf18("10","6","4","3","10","2","1") = "9"
    & skf18("10","6","4","3","10","3","1") = "9"
    & skf18("10","6","4","3","10","4","1") = "9"
    & skf18("10","6","4","3","10","5","1") = "9"
    & skf18("10","6","4","3","10","6","1") = "9"
    & skf18("10","6","4","3","10","7","1") = "9"
    & skf18("10","6","4","3","10","8","1") = "9"
    & skf18("10","6","4","3","10","9","1") = "9"
    & skf18("10","6","4","3","10","10","1") = "9"
    & skf18("10","6","4","4","1","1","1") = "9"
    & skf18("10","6","4","4","1","2","1") = "9"
    & skf18("10","6","4","4","1","3","1") = "9"
    & skf18("10","6","4","4","1","4","1") = "9"
    & skf18("10","6","4","4","1","5","1") = "9"
    & skf18("10","6","4","4","1","6","1") = "9"
    & skf18("10","6","4","4","1","7","1") = "9"
    & skf18("10","6","4","4","1","8","1") = "9"
    & skf18("10","6","4","4","1","9","1") = "9"
    & skf18("10","6","4","4","1","10","1") = "9"
    & skf18("10","6","4","4","2","1","1") = "9"
    & skf18("10","6","4","4","2","2","1") = "9"
    & skf18("10","6","4","4","2","3","1") = "9"
    & skf18("10","6","4","4","2","4","1") = "9"
    & skf18("10","6","4","4","2","5","1") = "9"
    & skf18("10","6","4","4","2","6","1") = "9"
    & skf18("10","6","4","4","2","7","1") = "9"
    & skf18("10","6","4","4","2","8","1") = "9"
    & skf18("10","6","4","4","2","9","1") = "9"
    & skf18("10","6","4","4","2","10","1") = "9"
    & skf18("10","6","4","4","3","1","1") = "9"
    & skf18("10","6","4","4","3","2","1") = "9"
    & skf18("10","6","4","4","3","3","1") = "9"
    & skf18("10","6","4","4","3","4","1") = "9"
    & skf18("10","6","4","4","3","5","1") = "9"
    & skf18("10","6","4","4","3","6","1") = "9"
    & skf18("10","6","4","4","3","7","1") = "9"
    & skf18("10","6","4","4","3","8","1") = "9"
    & skf18("10","6","4","4","3","9","1") = "9"
    & skf18("10","6","4","4","3","10","1") = "9"
    & skf18("10","6","4","4","4","1","1") = "9"
    & skf18("10","6","4","4","4","2","1") = "9"
    & skf18("10","6","4","4","4","3","1") = "9"
    & skf18("10","6","4","4","4","4","1") = "9"
    & skf18("10","6","4","4","4","5","1") = "9"
    & skf18("10","6","4","4","4","6","1") = "9"
    & skf18("10","6","4","4","4","7","1") = "9"
    & skf18("10","6","4","4","4","8","1") = "9"
    & skf18("10","6","4","4","4","9","1") = "9"
    & skf18("10","6","4","4","4","10","1") = "9"
    & skf18("10","6","4","4","5","1","1") = "9"
    & skf18("10","6","4","4","5","2","1") = "9"
    & skf18("10","6","4","4","5","3","1") = "9"
    & skf18("10","6","4","4","5","4","1") = "9"
    & skf18("10","6","4","4","5","5","1") = "9"
    & skf18("10","6","4","4","5","6","1") = "9"
    & skf18("10","6","4","4","5","7","1") = "9"
    & skf18("10","6","4","4","5","8","1") = "9"
    & skf18("10","6","4","4","5","9","1") = "9"
    & skf18("10","6","4","4","5","10","1") = "9"
    & skf18("10","6","4","4","6","1","1") = "9"
    & skf18("10","6","4","4","6","2","1") = "9"
    & skf18("10","6","4","4","6","3","1") = "9"
    & skf18("10","6","4","4","6","4","1") = "9"
    & skf18("10","6","4","4","6","5","1") = "9"
    & skf18("10","6","4","4","6","6","1") = "9"
    & skf18("10","6","4","4","6","7","1") = "9"
    & skf18("10","6","4","4","6","8","1") = "9"
    & skf18("10","6","4","4","6","9","1") = "9"
    & skf18("10","6","4","4","6","10","1") = "9"
    & skf18("10","6","4","4","7","1","1") = "9"
    & skf18("10","6","4","4","7","2","1") = "9"
    & skf18("10","6","4","4","7","3","1") = "9"
    & skf18("10","6","4","4","7","4","1") = "9"
    & skf18("10","6","4","4","7","5","1") = "9"
    & skf18("10","6","4","4","7","6","1") = "9"
    & skf18("10","6","4","4","7","7","1") = "9"
    & skf18("10","6","4","4","7","8","1") = "9"
    & skf18("10","6","4","4","7","9","1") = "9"
    & skf18("10","6","4","4","7","10","1") = "9"
    & skf18("10","6","4","4","8","1","1") = "9"
    & skf18("10","6","4","4","8","2","1") = "9"
    & skf18("10","6","4","4","8","3","1") = "9"
    & skf18("10","6","4","4","8","4","1") = "9"
    & skf18("10","6","4","4","8","5","1") = "9"
    & skf18("10","6","4","4","8","6","1") = "9"
    & skf18("10","6","4","4","8","7","1") = "9"
    & skf18("10","6","4","4","8","8","1") = "9"
    & skf18("10","6","4","4","8","9","1") = "9"
    & skf18("10","6","4","4","8","10","1") = "9"
    & skf18("10","6","4","4","9","1","1") = "9"
    & skf18("10","6","4","4","9","2","1") = "9"
    & skf18("10","6","4","4","9","3","1") = "9"
    & skf18("10","6","4","4","9","4","1") = "9"
    & skf18("10","6","4","4","9","5","1") = "9"
    & skf18("10","6","4","4","9","6","1") = "9"
    & skf18("10","6","4","4","9","7","1") = "9"
    & skf18("10","6","4","4","9","8","1") = "9"
    & skf18("10","6","4","4","9","9","1") = "9"
    & skf18("10","6","4","4","9","10","1") = "9"
    & skf18("10","6","4","4","10","1","1") = "9"
    & skf18("10","6","4","4","10","2","1") = "9"
    & skf18("10","6","4","4","10","3","1") = "9"
    & skf18("10","6","4","4","10","4","1") = "9"
    & skf18("10","6","4","4","10","5","1") = "9"
    & skf18("10","6","4","4","10","6","1") = "9"
    & skf18("10","6","4","4","10","7","1") = "9"
    & skf18("10","6","4","4","10","8","1") = "9"
    & skf18("10","6","4","4","10","9","1") = "9"
    & skf18("10","6","4","4","10","10","1") = "9"
    & skf18("10","6","4","5","1","1","1") = "9"
    & skf18("10","6","4","5","1","2","1") = "9"
    & skf18("10","6","4","5","1","3","1") = "9"
    & skf18("10","6","4","5","1","4","1") = "9"
    & skf18("10","6","4","5","1","5","1") = "9"
    & skf18("10","6","4","5","1","6","1") = "9"
    & skf18("10","6","4","5","1","7","1") = "9"
    & skf18("10","6","4","5","1","8","1") = "9"
    & skf18("10","6","4","5","1","9","1") = "9"
    & skf18("10","6","4","5","1","10","1") = "9"
    & skf18("10","6","4","5","2","1","1") = "9"
    & skf18("10","6","4","5","2","2","1") = "9"
    & skf18("10","6","4","5","2","3","1") = "9"
    & skf18("10","6","4","5","2","4","1") = "9"
    & skf18("10","6","4","5","2","5","1") = "9"
    & skf18("10","6","4","5","2","6","1") = "9"
    & skf18("10","6","4","5","2","7","1") = "9"
    & skf18("10","6","4","5","2","8","1") = "9"
    & skf18("10","6","4","5","2","9","1") = "9"
    & skf18("10","6","4","5","2","10","1") = "9"
    & skf18("10","6","4","5","3","1","1") = "9"
    & skf18("10","6","4","5","3","2","1") = "9"
    & skf18("10","6","4","5","3","3","1") = "9"
    & skf18("10","6","4","5","3","4","1") = "9"
    & skf18("10","6","4","5","3","5","1") = "9"
    & skf18("10","6","4","5","3","6","1") = "9"
    & skf18("10","6","4","5","3","7","1") = "9"
    & skf18("10","6","4","5","3","8","1") = "9"
    & skf18("10","6","4","5","3","9","1") = "9"
    & skf18("10","6","4","5","3","10","1") = "9"
    & skf18("10","6","4","5","4","1","1") = "9"
    & skf18("10","6","4","5","4","2","1") = "9"
    & skf18("10","6","4","5","4","3","1") = "9"
    & skf18("10","6","4","5","4","4","1") = "9"
    & skf18("10","6","4","5","4","5","1") = "9"
    & skf18("10","6","4","5","4","6","1") = "9"
    & skf18("10","6","4","5","4","7","1") = "9"
    & skf18("10","6","4","5","4","8","1") = "9"
    & skf18("10","6","4","5","4","9","1") = "9"
    & skf18("10","6","4","5","4","10","1") = "9"
    & skf18("10","6","4","5","5","1","1") = "9"
    & skf18("10","6","4","5","5","2","1") = "9"
    & skf18("10","6","4","5","5","3","1") = "9"
    & skf18("10","6","4","5","5","4","1") = "9"
    & skf18("10","6","4","5","5","5","1") = "9"
    & skf18("10","6","4","5","5","6","1") = "9"
    & skf18("10","6","4","5","5","7","1") = "9"
    & skf18("10","6","4","5","5","8","1") = "9"
    & skf18("10","6","4","5","5","9","1") = "9"
    & skf18("10","6","4","5","5","10","1") = "9"
    & skf18("10","6","4","5","6","1","1") = "9"
    & skf18("10","6","4","5","6","2","1") = "9"
    & skf18("10","6","4","5","6","3","1") = "9"
    & skf18("10","6","4","5","6","4","1") = "9"
    & skf18("10","6","4","5","6","5","1") = "9"
    & skf18("10","6","4","5","6","6","1") = "9"
    & skf18("10","6","4","5","6","7","1") = "9"
    & skf18("10","6","4","5","6","8","1") = "9"
    & skf18("10","6","4","5","6","9","1") = "9"
    & skf18("10","6","4","5","6","10","1") = "9"
    & skf18("10","6","4","5","7","1","1") = "9"
    & skf18("10","6","4","5","7","2","1") = "9"
    & skf18("10","6","4","5","7","3","1") = "9"
    & skf18("10","6","4","5","7","4","1") = "9"
    & skf18("10","6","4","5","7","5","1") = "9"
    & skf18("10","6","4","5","7","6","1") = "9"
    & skf18("10","6","4","5","7","7","1") = "9"
    & skf18("10","6","4","5","7","8","1") = "9"
    & skf18("10","6","4","5","7","9","1") = "9"
    & skf18("10","6","4","5","7","10","1") = "9"
    & skf18("10","6","4","5","8","1","1") = "9"
    & skf18("10","6","4","5","8","2","1") = "9"
    & skf18("10","6","4","5","8","3","1") = "9"
    & skf18("10","6","4","5","8","4","1") = "9"
    & skf18("10","6","4","5","8","5","1") = "9"
    & skf18("10","6","4","5","8","6","1") = "9"
    & skf18("10","6","4","5","8","7","1") = "9"
    & skf18("10","6","4","5","8","8","1") = "9"
    & skf18("10","6","4","5","8","9","1") = "9"
    & skf18("10","6","4","5","8","10","1") = "9"
    & skf18("10","6","4","5","9","1","1") = "9"
    & skf18("10","6","4","5","9","2","1") = "9"
    & skf18("10","6","4","5","9","3","1") = "9"
    & skf18("10","6","4","5","9","4","1") = "9"
    & skf18("10","6","4","5","9","5","1") = "9"
    & skf18("10","6","4","5","9","6","1") = "9"
    & skf18("10","6","4","5","9","7","1") = "9"
    & skf18("10","6","4","5","9","8","1") = "9"
    & skf18("10","6","4","5","9","9","1") = "9"
    & skf18("10","6","4","5","9","10","1") = "9"
    & skf18("10","6","4","5","10","1","1") = "9"
    & skf18("10","6","4","5","10","2","1") = "9"
    & skf18("10","6","4","5","10","3","1") = "9"
    & skf18("10","6","4","5","10","4","1") = "9"
    & skf18("10","6","4","5","10","5","1") = "9"
    & skf18("10","6","4","5","10","6","1") = "9"
    & skf18("10","6","4","5","10","7","1") = "9"
    & skf18("10","6","4","5","10","8","1") = "9"
    & skf18("10","6","4","5","10","9","1") = "9"
    & skf18("10","6","4","5","10","10","1") = "9"
    & skf18("10","6","4","6","1","1","1") = "9"
    & skf18("10","6","4","6","1","2","1") = "9"
    & skf18("10","6","4","6","1","3","1") = "9"
    & skf18("10","6","4","6","1","4","1") = "9"
    & skf18("10","6","4","6","1","5","1") = "9"
    & skf18("10","6","4","6","1","6","1") = "9"
    & skf18("10","6","4","6","1","7","1") = "9"
    & skf18("10","6","4","6","1","8","1") = "9"
    & skf18("10","6","4","6","1","9","1") = "9"
    & skf18("10","6","4","6","1","10","1") = "9"
    & skf18("10","6","4","6","2","1","1") = "9"
    & skf18("10","6","4","6","2","2","1") = "9"
    & skf18("10","6","4","6","2","3","1") = "9"
    & skf18("10","6","4","6","2","4","1") = "9"
    & skf18("10","6","4","6","2","5","1") = "9"
    & skf18("10","6","4","6","2","6","1") = "9"
    & skf18("10","6","4","6","2","7","1") = "9"
    & skf18("10","6","4","6","2","8","1") = "9"
    & skf18("10","6","4","6","2","9","1") = "9"
    & skf18("10","6","4","6","2","10","1") = "9"
    & skf18("10","6","4","6","3","1","1") = "9"
    & skf18("10","6","4","6","3","2","1") = "9"
    & skf18("10","6","4","6","3","3","1") = "9"
    & skf18("10","6","4","6","3","4","1") = "9"
    & skf18("10","6","4","6","3","5","1") = "9"
    & skf18("10","6","4","6","3","6","1") = "9"
    & skf18("10","6","4","6","3","7","1") = "9"
    & skf18("10","6","4","6","3","8","1") = "9"
    & skf18("10","6","4","6","3","9","1") = "9"
    & skf18("10","6","4","6","3","10","1") = "9"
    & skf18("10","6","4","6","4","1","1") = "9"
    & skf18("10","6","4","6","4","2","1") = "9"
    & skf18("10","6","4","6","4","3","1") = "9"
    & skf18("10","6","4","6","4","4","1") = "9"
    & skf18("10","6","4","6","4","5","1") = "9"
    & skf18("10","6","4","6","4","6","1") = "9"
    & skf18("10","6","4","6","4","7","1") = "9"
    & skf18("10","6","4","6","4","8","1") = "9"
    & skf18("10","6","4","6","4","9","1") = "9"
    & skf18("10","6","4","6","4","10","1") = "9"
    & skf18("10","6","4","6","5","1","1") = "9"
    & skf18("10","6","4","6","5","2","1") = "9"
    & skf18("10","6","4","6","5","3","1") = "9"
    & skf18("10","6","4","6","5","4","1") = "9"
    & skf18("10","6","4","6","5","5","1") = "9"
    & skf18("10","6","4","6","5","6","1") = "9"
    & skf18("10","6","4","6","5","7","1") = "9"
    & skf18("10","6","4","6","5","8","1") = "9"
    & skf18("10","6","4","6","5","9","1") = "9"
    & skf18("10","6","4","6","5","10","1") = "9"
    & skf18("10","6","4","6","6","1","1") = "9"
    & skf18("10","6","4","6","6","2","1") = "9"
    & skf18("10","6","4","6","6","3","1") = "9"
    & skf18("10","6","4","6","6","4","1") = "9"
    & skf18("10","6","4","6","6","5","1") = "9"
    & skf18("10","6","4","6","6","6","1") = "9"
    & skf18("10","6","4","6","6","7","1") = "9"
    & skf18("10","6","4","6","6","8","1") = "9"
    & skf18("10","6","4","6","6","9","1") = "9"
    & skf18("10","6","4","6","6","10","1") = "9"
    & skf18("10","6","4","6","7","1","1") = "9"
    & skf18("10","6","4","6","7","2","1") = "9"
    & skf18("10","6","4","6","7","3","1") = "9"
    & skf18("10","6","4","6","7","4","1") = "9"
    & skf18("10","6","4","6","7","5","1") = "9"
    & skf18("10","6","4","6","7","6","1") = "9"
    & skf18("10","6","4","6","7","7","1") = "9"
    & skf18("10","6","4","6","7","8","1") = "9"
    & skf18("10","6","4","6","7","9","1") = "9"
    & skf18("10","6","4","6","7","10","1") = "9"
    & skf18("10","6","4","6","8","1","1") = "9"
    & skf18("10","6","4","6","8","2","1") = "9"
    & skf18("10","6","4","6","8","3","1") = "9"
    & skf18("10","6","4","6","8","4","1") = "9"
    & skf18("10","6","4","6","8","5","1") = "9"
    & skf18("10","6","4","6","8","6","1") = "9"
    & skf18("10","6","4","6","8","7","1") = "9"
    & skf18("10","6","4","6","8","8","1") = "9"
    & skf18("10","6","4","6","8","9","1") = "9"
    & skf18("10","6","4","6","8","10","1") = "9"
    & skf18("10","6","4","6","9","1","1") = "9"
    & skf18("10","6","4","6","9","2","1") = "9"
    & skf18("10","6","4","6","9","3","1") = "9"
    & skf18("10","6","4","6","9","4","1") = "9"
    & skf18("10","6","4","6","9","5","1") = "9"
    & skf18("10","6","4","6","9","6","1") = "9"
    & skf18("10","6","4","6","9","7","1") = "9"
    & skf18("10","6","4","6","9","8","1") = "9"
    & skf18("10","6","4","6","9","9","1") = "9"
    & skf18("10","6","4","6","9","10","1") = "9"
    & skf18("10","6","4","6","10","1","1") = "9"
    & skf18("10","6","4","6","10","2","1") = "9"
    & skf18("10","6","4","6","10","3","1") = "9"
    & skf18("10","6","4","6","10","4","1") = "9"
    & skf18("10","6","4","6","10","5","1") = "9"
    & skf18("10","6","4","6","10","6","1") = "9"
    & skf18("10","6","4","6","10","7","1") = "9"
    & skf18("10","6","4","6","10","8","1") = "9"
    & skf18("10","6","4","6","10","9","1") = "9"
    & skf18("10","6","4","6","10","10","1") = "9"
    & skf18("10","6","4","7","1","1","1") = "9"
    & skf18("10","6","4","7","1","2","1") = "9"
    & skf18("10","6","4","7","1","3","1") = "9"
    & skf18("10","6","4","7","1","4","1") = "9"
    & skf18("10","6","4","7","1","5","1") = "9"
    & skf18("10","6","4","7","1","6","1") = "9"
    & skf18("10","6","4","7","1","7","1") = "9"
    & skf18("10","6","4","7","1","8","1") = "9"
    & skf18("10","6","4","7","1","9","1") = "9"
    & skf18("10","6","4","7","1","10","1") = "9"
    & skf18("10","6","4","7","2","1","1") = "9"
    & skf18("10","6","4","7","2","2","1") = "9"
    & skf18("10","6","4","7","2","3","1") = "9"
    & skf18("10","6","4","7","2","4","1") = "9"
    & skf18("10","6","4","7","2","5","1") = "9"
    & skf18("10","6","4","7","2","6","1") = "9"
    & skf18("10","6","4","7","2","7","1") = "9"
    & skf18("10","6","4","7","2","8","1") = "9"
    & skf18("10","6","4","7","2","9","1") = "9"
    & skf18("10","6","4","7","2","10","1") = "9"
    & skf18("10","6","4","7","3","1","1") = "9"
    & skf18("10","6","4","7","3","2","1") = "9"
    & skf18("10","6","4","7","3","3","1") = "9"
    & skf18("10","6","4","7","3","4","1") = "9"
    & skf18("10","6","4","7","3","5","1") = "9"
    & skf18("10","6","4","7","3","6","1") = "9"
    & skf18("10","6","4","7","3","7","1") = "9"
    & skf18("10","6","4","7","3","8","1") = "9"
    & skf18("10","6","4","7","3","9","1") = "9"
    & skf18("10","6","4","7","3","10","1") = "9"
    & skf18("10","6","4","7","4","1","1") = "9"
    & skf18("10","6","4","7","4","2","1") = "9"
    & skf18("10","6","4","7","4","3","1") = "9"
    & skf18("10","6","4","7","4","4","1") = "9"
    & skf18("10","6","4","7","4","5","1") = "9"
    & skf18("10","6","4","7","4","6","1") = "9"
    & skf18("10","6","4","7","4","7","1") = "9"
    & skf18("10","6","4","7","4","8","1") = "9"
    & skf18("10","6","4","7","4","9","1") = "9"
    & skf18("10","6","4","7","4","10","1") = "9"
    & skf18("10","6","4","7","5","1","1") = "9"
    & skf18("10","6","4","7","5","2","1") = "9"
    & skf18("10","6","4","7","5","3","1") = "9"
    & skf18("10","6","4","7","5","4","1") = "9"
    & skf18("10","6","4","7","5","5","1") = "9"
    & skf18("10","6","4","7","5","6","1") = "9"
    & skf18("10","6","4","7","5","7","1") = "9"
    & skf18("10","6","4","7","5","8","1") = "9"
    & skf18("10","6","4","7","5","9","1") = "9"
    & skf18("10","6","4","7","5","10","1") = "9"
    & skf18("10","6","4","7","6","1","1") = "9"
    & skf18("10","6","4","7","6","2","1") = "9"
    & skf18("10","6","4","7","6","3","1") = "9"
    & skf18("10","6","4","7","6","4","1") = "9"
    & skf18("10","6","4","7","6","5","1") = "9"
    & skf18("10","6","4","7","6","6","1") = "9"
    & skf18("10","6","4","7","6","7","1") = "9"
    & skf18("10","6","4","7","6","8","1") = "9"
    & skf18("10","6","4","7","6","9","1") = "9"
    & skf18("10","6","4","7","6","10","1") = "9"
    & skf18("10","6","4","7","7","1","1") = "9"
    & skf18("10","6","4","7","7","2","1") = "9"
    & skf18("10","6","4","7","7","3","1") = "9"
    & skf18("10","6","4","7","7","4","1") = "9"
    & skf18("10","6","4","7","7","5","1") = "9"
    & skf18("10","6","4","7","7","6","1") = "9"
    & skf18("10","6","4","7","7","7","1") = "9"
    & skf18("10","6","4","7","7","8","1") = "9"
    & skf18("10","6","4","7","7","9","1") = "9"
    & skf18("10","6","4","7","7","10","1") = "9"
    & skf18("10","6","4","7","8","1","1") = "9"
    & skf18("10","6","4","7","8","2","1") = "9"
    & skf18("10","6","4","7","8","3","1") = "9"
    & skf18("10","6","4","7","8","4","1") = "9"
    & skf18("10","6","4","7","8","5","1") = "9"
    & skf18("10","6","4","7","8","6","1") = "9"
    & skf18("10","6","4","7","8","7","1") = "9"
    & skf18("10","6","4","7","8","8","1") = "9"
    & skf18("10","6","4","7","8","9","1") = "9"
    & skf18("10","6","4","7","8","10","1") = "9"
    & skf18("10","6","4","7","9","1","1") = "9"
    & skf18("10","6","4","7","9","2","1") = "9"
    & skf18("10","6","4","7","9","3","1") = "9"
    & skf18("10","6","4","7","9","4","1") = "9"
    & skf18("10","6","4","7","9","5","1") = "9"
    & skf18("10","6","4","7","9","6","1") = "9"
    & skf18("10","6","4","7","9","7","1") = "9"
    & skf18("10","6","4","7","9","8","1") = "9"
    & skf18("10","6","4","7","9","9","1") = "9"
    & skf18("10","6","4","7","9","10","1") = "9"
    & skf18("10","6","4","7","10","1","1") = "9"
    & skf18("10","6","4","7","10","2","1") = "9"
    & skf18("10","6","4","7","10","3","1") = "9"
    & skf18("10","6","4","7","10","4","1") = "9"
    & skf18("10","6","4","7","10","5","1") = "9"
    & skf18("10","6","4","7","10","6","1") = "9"
    & skf18("10","6","4","7","10","7","1") = "9"
    & skf18("10","6","4","7","10","8","1") = "9"
    & skf18("10","6","4","7","10","9","1") = "9"
    & skf18("10","6","4","7","10","10","1") = "9"
    & skf18("10","6","4","8","1","1","1") = "9"
    & skf18("10","6","4","8","1","2","1") = "9"
    & skf18("10","6","4","8","1","3","1") = "9"
    & skf18("10","6","4","8","1","4","1") = "9"
    & skf18("10","6","4","8","1","5","1") = "9"
    & skf18("10","6","4","8","1","6","1") = "9"
    & skf18("10","6","4","8","1","7","1") = "9"
    & skf18("10","6","4","8","1","8","1") = "9"
    & skf18("10","6","4","8","1","9","1") = "9"
    & skf18("10","6","4","8","1","10","1") = "9"
    & skf18("10","6","4","8","2","1","1") = "9"
    & skf18("10","6","4","8","2","2","1") = "9"
    & skf18("10","6","4","8","2","3","1") = "9"
    & skf18("10","6","4","8","2","4","1") = "9"
    & skf18("10","6","4","8","2","5","1") = "9"
    & skf18("10","6","4","8","2","6","1") = "9"
    & skf18("10","6","4","8","2","7","1") = "9"
    & skf18("10","6","4","8","2","8","1") = "9"
    & skf18("10","6","4","8","2","9","1") = "9"
    & skf18("10","6","4","8","2","10","1") = "9"
    & skf18("10","6","4","8","3","1","1") = "9"
    & skf18("10","6","4","8","3","2","1") = "9"
    & skf18("10","6","4","8","3","3","1") = "9"
    & skf18("10","6","4","8","3","4","1") = "9"
    & skf18("10","6","4","8","3","5","1") = "9"
    & skf18("10","6","4","8","3","6","1") = "9"
    & skf18("10","6","4","8","3","7","1") = "9"
    & skf18("10","6","4","8","3","8","1") = "9"
    & skf18("10","6","4","8","3","9","1") = "9"
    & skf18("10","6","4","8","3","10","1") = "9"
    & skf18("10","6","4","8","4","1","1") = "9"
    & skf18("10","6","4","8","4","2","1") = "9"
    & skf18("10","6","4","8","4","3","1") = "9"
    & skf18("10","6","4","8","4","4","1") = "9"
    & skf18("10","6","4","8","4","5","1") = "9"
    & skf18("10","6","4","8","4","6","1") = "9"
    & skf18("10","6","4","8","4","7","1") = "9"
    & skf18("10","6","4","8","4","8","1") = "9"
    & skf18("10","6","4","8","4","9","1") = "9"
    & skf18("10","6","4","8","4","10","1") = "9"
    & skf18("10","6","4","8","5","1","1") = "9"
    & skf18("10","6","4","8","5","2","1") = "9"
    & skf18("10","6","4","8","5","3","1") = "9"
    & skf18("10","6","4","8","5","4","1") = "9"
    & skf18("10","6","4","8","5","5","1") = "9"
    & skf18("10","6","4","8","5","6","1") = "9"
    & skf18("10","6","4","8","5","7","1") = "9"
    & skf18("10","6","4","8","5","8","1") = "9"
    & skf18("10","6","4","8","5","9","1") = "9"
    & skf18("10","6","4","8","5","10","1") = "9"
    & skf18("10","6","4","8","6","1","1") = "9"
    & skf18("10","6","4","8","6","2","1") = "9"
    & skf18("10","6","4","8","6","3","1") = "9"
    & skf18("10","6","4","8","6","4","1") = "9"
    & skf18("10","6","4","8","6","5","1") = "9"
    & skf18("10","6","4","8","6","6","1") = "9"
    & skf18("10","6","4","8","6","7","1") = "9"
    & skf18("10","6","4","8","6","8","1") = "9"
    & skf18("10","6","4","8","6","9","1") = "9"
    & skf18("10","6","4","8","6","10","1") = "9"
    & skf18("10","6","4","8","7","1","1") = "9"
    & skf18("10","6","4","8","7","2","1") = "9"
    & skf18("10","6","4","8","7","3","1") = "9"
    & skf18("10","6","4","8","7","4","1") = "9"
    & skf18("10","6","4","8","7","5","1") = "9"
    & skf18("10","6","4","8","7","6","1") = "9"
    & skf18("10","6","4","8","7","7","1") = "9"
    & skf18("10","6","4","8","7","8","1") = "9"
    & skf18("10","6","4","8","7","9","1") = "9"
    & skf18("10","6","4","8","7","10","1") = "9"
    & skf18("10","6","4","8","8","1","1") = "9"
    & skf18("10","6","4","8","8","2","1") = "9"
    & skf18("10","6","4","8","8","3","1") = "9"
    & skf18("10","6","4","8","8","4","1") = "9"
    & skf18("10","6","4","8","8","5","1") = "9"
    & skf18("10","6","4","8","8","6","1") = "9"
    & skf18("10","6","4","8","8","7","1") = "9"
    & skf18("10","6","4","8","8","8","1") = "9"
    & skf18("10","6","4","8","8","9","1") = "9"
    & skf18("10","6","4","8","8","10","1") = "9"
    & skf18("10","6","4","8","9","1","1") = "9"
    & skf18("10","6","4","8","9","2","1") = "9"
    & skf18("10","6","4","8","9","3","1") = "9"
    & skf18("10","6","4","8","9","4","1") = "9"
    & skf18("10","6","4","8","9","5","1") = "9"
    & skf18("10","6","4","8","9","6","1") = "9"
    & skf18("10","6","4","8","9","7","1") = "9"
    & skf18("10","6","4","8","9","8","1") = "9"
    & skf18("10","6","4","8","9","9","1") = "9"
    & skf18("10","6","4","8","9","10","1") = "9"
    & skf18("10","6","4","8","10","1","1") = "9"
    & skf18("10","6","4","8","10","2","1") = "9"
    & skf18("10","6","4","8","10","3","1") = "9"
    & skf18("10","6","4","8","10","4","1") = "9"
    & skf18("10","6","4","8","10","5","1") = "9"
    & skf18("10","6","4","8","10","6","1") = "9"
    & skf18("10","6","4","8","10","7","1") = "9"
    & skf18("10","6","4","8","10","8","1") = "9"
    & skf18("10","6","4","8","10","9","1") = "9"
    & skf18("10","6","4","8","10","10","1") = "9"
    & skf18("10","6","4","9","1","1","1") = "9"
    & skf18("10","6","4","9","1","2","1") = "9"
    & skf18("10","6","4","9","1","3","1") = "9"
    & skf18("10","6","4","9","1","4","1") = "9"
    & skf18("10","6","4","9","1","5","1") = "9"
    & skf18("10","6","4","9","1","6","1") = "9"
    & skf18("10","6","4","9","1","7","1") = "9"
    & skf18("10","6","4","9","1","8","1") = "9"
    & skf18("10","6","4","9","1","9","1") = "9"
    & skf18("10","6","4","9","1","10","1") = "9"
    & skf18("10","6","4","9","2","1","1") = "9"
    & skf18("10","6","4","9","2","2","1") = "9"
    & skf18("10","6","4","9","2","3","1") = "9"
    & skf18("10","6","4","9","2","4","1") = "9"
    & skf18("10","6","4","9","2","5","1") = "9"
    & skf18("10","6","4","9","2","6","1") = "9"
    & skf18("10","6","4","9","2","7","1") = "9"
    & skf18("10","6","4","9","2","8","1") = "9"
    & skf18("10","6","4","9","2","9","1") = "9"
    & skf18("10","6","4","9","2","10","1") = "9"
    & skf18("10","6","4","9","3","1","1") = "9"
    & skf18("10","6","4","9","3","2","1") = "9"
    & skf18("10","6","4","9","3","3","1") = "9"
    & skf18("10","6","4","9","3","4","1") = "9"
    & skf18("10","6","4","9","3","5","1") = "9"
    & skf18("10","6","4","9","3","6","1") = "9"
    & skf18("10","6","4","9","3","7","1") = "9"
    & skf18("10","6","4","9","3","8","1") = "9"
    & skf18("10","6","4","9","3","9","1") = "9"
    & skf18("10","6","4","9","3","10","1") = "9"
    & skf18("10","6","4","9","4","1","1") = "9"
    & skf18("10","6","4","9","4","2","1") = "9"
    & skf18("10","6","4","9","4","3","1") = "9"
    & skf18("10","6","4","9","4","4","1") = "9"
    & skf18("10","6","4","9","4","5","1") = "9"
    & skf18("10","6","4","9","4","6","1") = "9"
    & skf18("10","6","4","9","4","7","1") = "9"
    & skf18("10","6","4","9","4","8","1") = "9"
    & skf18("10","6","4","9","4","9","1") = "9"
    & skf18("10","6","4","9","4","10","1") = "9"
    & skf18("10","6","4","9","5","1","1") = "9"
    & skf18("10","6","4","9","5","2","1") = "9"
    & skf18("10","6","4","9","5","3","1") = "9"
    & skf18("10","6","4","9","5","4","1") = "9"
    & skf18("10","6","4","9","5","5","1") = "9"
    & skf18("10","6","4","9","5","6","1") = "9"
    & skf18("10","6","4","9","5","7","1") = "9"
    & skf18("10","6","4","9","5","8","1") = "9"
    & skf18("10","6","4","9","5","9","1") = "9"
    & skf18("10","6","4","9","5","10","1") = "9"
    & skf18("10","6","4","9","6","1","1") = "9"
    & skf18("10","6","4","9","6","2","1") = "9"
    & skf18("10","6","4","9","6","3","1") = "9"
    & skf18("10","6","4","9","6","4","1") = "9"
    & skf18("10","6","4","9","6","5","1") = "9"
    & skf18("10","6","4","9","6","6","1") = "9"
    & skf18("10","6","4","9","6","7","1") = "9"
    & skf18("10","6","4","9","6","8","1") = "9"
    & skf18("10","6","4","9","6","9","1") = "9"
    & skf18("10","6","4","9","6","10","1") = "9"
    & skf18("10","6","4","9","7","1","1") = "9"
    & skf18("10","6","4","9","7","2","1") = "9"
    & skf18("10","6","4","9","7","3","1") = "9"
    & skf18("10","6","4","9","7","4","1") = "9"
    & skf18("10","6","4","9","7","5","1") = "9"
    & skf18("10","6","4","9","7","6","1") = "9"
    & skf18("10","6","4","9","7","7","1") = "9"
    & skf18("10","6","4","9","7","8","1") = "9"
    & skf18("10","6","4","9","7","9","1") = "9"
    & skf18("10","6","4","9","7","10","1") = "9"
    & skf18("10","6","4","9","8","1","1") = "9"
    & skf18("10","6","4","9","8","2","1") = "9"
    & skf18("10","6","4","9","8","3","1") = "9"
    & skf18("10","6","4","9","8","4","1") = "9"
    & skf18("10","6","4","9","8","5","1") = "9"
    & skf18("10","6","4","9","8","6","1") = "9"
    & skf18("10","6","4","9","8","7","1") = "9"
    & skf18("10","6","4","9","8","8","1") = "9"
    & skf18("10","6","4","9","8","9","1") = "9"
    & skf18("10","6","4","9","8","10","1") = "9"
    & skf18("10","6","4","9","9","1","1") = "9"
    & skf18("10","6","4","9","9","2","1") = "9"
    & skf18("10","6","4","9","9","3","1") = "9"
    & skf18("10","6","4","9","9","4","1") = "9"
    & skf18("10","6","4","9","9","5","1") = "9"
    & skf18("10","6","4","9","9","6","1") = "9"
    & skf18("10","6","4","9","9","7","1") = "9"
    & skf18("10","6","4","9","9","8","1") = "9"
    & skf18("10","6","4","9","9","9","1") = "9"
    & skf18("10","6","4","9","9","10","1") = "9"
    & skf18("10","6","4","9","10","1","1") = "9"
    & skf18("10","6","4","9","10","2","1") = "9"
    & skf18("10","6","4","9","10","3","1") = "9"
    & skf18("10","6","4","9","10","4","1") = "9"
    & skf18("10","6","4","9","10","5","1") = "9"
    & skf18("10","6","4","9","10","6","1") = "9"
    & skf18("10","6","4","9","10","7","1") = "9"
    & skf18("10","6","4","9","10","8","1") = "9"
    & skf18("10","6","4","9","10","9","1") = "9"
    & skf18("10","6","4","9","10","10","1") = "9"
    & skf18("10","6","4","10","1","1","1") = "9"
    & skf18("10","6","4","10","1","2","1") = "9"
    & skf18("10","6","4","10","1","3","1") = "9"
    & skf18("10","6","4","10","1","4","1") = "9"
    & skf18("10","6","4","10","1","5","1") = "9"
    & skf18("10","6","4","10","1","6","1") = "9"
    & skf18("10","6","4","10","1","7","1") = "9"
    & skf18("10","6","4","10","1","8","1") = "9"
    & skf18("10","6","4","10","1","9","1") = "9"
    & skf18("10","6","4","10","1","10","1") = "9"
    & skf18("10","6","4","10","2","1","1") = "9"
    & skf18("10","6","4","10","2","2","1") = "9"
    & skf18("10","6","4","10","2","3","1") = "9"
    & skf18("10","6","4","10","2","4","1") = "9"
    & skf18("10","6","4","10","2","5","1") = "9"
    & skf18("10","6","4","10","2","6","1") = "9"
    & skf18("10","6","4","10","2","7","1") = "9"
    & skf18("10","6","4","10","2","8","1") = "9"
    & skf18("10","6","4","10","2","9","1") = "9"
    & skf18("10","6","4","10","2","10","1") = "9"
    & skf18("10","6","4","10","3","1","1") = "9"
    & skf18("10","6","4","10","3","2","1") = "9"
    & skf18("10","6","4","10","3","3","1") = "9"
    & skf18("10","6","4","10","3","4","1") = "9"
    & skf18("10","6","4","10","3","5","1") = "9"
    & skf18("10","6","4","10","3","6","1") = "9"
    & skf18("10","6","4","10","3","7","1") = "9"
    & skf18("10","6","4","10","3","8","1") = "9"
    & skf18("10","6","4","10","3","9","1") = "9"
    & skf18("10","6","4","10","3","10","1") = "9"
    & skf18("10","6","4","10","4","1","1") = "9"
    & skf18("10","6","4","10","4","2","1") = "9"
    & skf18("10","6","4","10","4","3","1") = "9"
    & skf18("10","6","4","10","4","4","1") = "9"
    & skf18("10","6","4","10","4","5","1") = "9"
    & skf18("10","6","4","10","4","6","1") = "9"
    & skf18("10","6","4","10","4","7","1") = "9"
    & skf18("10","6","4","10","4","8","1") = "9"
    & skf18("10","6","4","10","4","9","1") = "9"
    & skf18("10","6","4","10","4","10","1") = "9"
    & skf18("10","6","4","10","5","1","1") = "9"
    & skf18("10","6","4","10","5","2","1") = "9"
    & skf18("10","6","4","10","5","3","1") = "9"
    & skf18("10","6","4","10","5","4","1") = "9"
    & skf18("10","6","4","10","5","5","1") = "9"
    & skf18("10","6","4","10","5","6","1") = "9"
    & skf18("10","6","4","10","5","7","1") = "9"
    & skf18("10","6","4","10","5","8","1") = "9"
    & skf18("10","6","4","10","5","9","1") = "9"
    & skf18("10","6","4","10","5","10","1") = "9"
    & skf18("10","6","4","10","6","1","1") = "9"
    & skf18("10","6","4","10","6","2","1") = "9"
    & skf18("10","6","4","10","6","3","1") = "9"
    & skf18("10","6","4","10","6","4","1") = "9"
    & skf18("10","6","4","10","6","5","1") = "9"
    & skf18("10","6","4","10","6","6","1") = "9"
    & skf18("10","6","4","10","6","7","1") = "9"
    & skf18("10","6","4","10","6","8","1") = "9"
    & skf18("10","6","4","10","6","9","1") = "9"
    & skf18("10","6","4","10","6","10","1") = "9"
    & skf18("10","6","4","10","7","1","1") = "9"
    & skf18("10","6","4","10","7","2","1") = "9"
    & skf18("10","6","4","10","7","3","1") = "9"
    & skf18("10","6","4","10","7","4","1") = "9"
    & skf18("10","6","4","10","7","5","1") = "9"
    & skf18("10","6","4","10","7","6","1") = "9"
    & skf18("10","6","4","10","7","7","1") = "9"
    & skf18("10","6","4","10","7","8","1") = "9"
    & skf18("10","6","4","10","7","9","1") = "9"
    & skf18("10","6","4","10","7","10","1") = "9"
    & skf18("10","6","4","10","8","1","1") = "9"
    & skf18("10","6","4","10","8","2","1") = "9"
    & skf18("10","6","4","10","8","3","1") = "9"
    & skf18("10","6","4","10","8","4","1") = "9"
    & skf18("10","6","4","10","8","5","1") = "9"
    & skf18("10","6","4","10","8","6","1") = "9"
    & skf18("10","6","4","10","8","7","1") = "9"
    & skf18("10","6","4","10","8","8","1") = "9"
    & skf18("10","6","4","10","8","9","1") = "9"
    & skf18("10","6","4","10","8","10","1") = "9"
    & skf18("10","6","4","10","9","1","1") = "9"
    & skf18("10","6","4","10","9","2","1") = "9"
    & skf18("10","6","4","10","9","3","1") = "9"
    & skf18("10","6","4","10","9","4","1") = "9"
    & skf18("10","6","4","10","9","5","1") = "9"
    & skf18("10","6","4","10","9","6","1") = "9"
    & skf18("10","6","4","10","9","7","1") = "9"
    & skf18("10","6","4","10","9","8","1") = "9"
    & skf18("10","6","4","10","9","9","1") = "9"
    & skf18("10","6","4","10","9","10","1") = "9"
    & skf18("10","6","4","10","10","1","1") = "9"
    & skf18("10","6","4","10","10","2","1") = "9"
    & skf18("10","6","4","10","10","3","1") = "9"
    & skf18("10","6","4","10","10","4","1") = "9"
    & skf18("10","6","4","10","10","5","1") = "9"
    & skf18("10","6","4","10","10","6","1") = "9"
    & skf18("10","6","4","10","10","7","1") = "9"
    & skf18("10","6","4","10","10","8","1") = "9"
    & skf18("10","6","4","10","10","9","1") = "9"
    & skf18("10","6","4","10","10","10","1") = "9"
    & skf18("10","6","5","1","1","1","1") = "9"
    & skf18("10","6","5","1","1","2","1") = "9"
    & skf18("10","6","5","1","1","3","1") = "9"
    & skf18("10","6","5","1","1","4","1") = "9"
    & skf18("10","6","5","1","1","5","1") = "9"
    & skf18("10","6","5","1","1","6","1") = "9"
    & skf18("10","6","5","1","1","7","1") = "9"
    & skf18("10","6","5","1","1","8","1") = "9"
    & skf18("10","6","5","1","1","9","1") = "9"
    & skf18("10","6","5","1","1","10","1") = "9"
    & skf18("10","6","5","1","2","1","1") = "9"
    & skf18("10","6","5","1","2","2","1") = "9"
    & skf18("10","6","5","1","2","3","1") = "9"
    & skf18("10","6","5","1","2","4","1") = "9"
    & skf18("10","6","5","1","2","5","1") = "9"
    & skf18("10","6","5","1","2","6","1") = "9"
    & skf18("10","6","5","1","2","7","1") = "9"
    & skf18("10","6","5","1","2","8","1") = "9"
    & skf18("10","6","5","1","2","9","1") = "9"
    & skf18("10","6","5","1","2","10","1") = "9"
    & skf18("10","6","5","1","3","1","1") = "9"
    & skf18("10","6","5","1","3","2","1") = "9"
    & skf18("10","6","5","1","3","3","1") = "9"
    & skf18("10","6","5","1","3","4","1") = "9"
    & skf18("10","6","5","1","3","5","1") = "9"
    & skf18("10","6","5","1","3","6","1") = "9"
    & skf18("10","6","5","1","3","7","1") = "9"
    & skf18("10","6","5","1","3","8","1") = "9"
    & skf18("10","6","5","1","3","9","1") = "9"
    & skf18("10","6","5","1","3","10","1") = "9"
    & skf18("10","6","5","1","4","1","1") = "9"
    & skf18("10","6","5","1","4","2","1") = "9"
    & skf18("10","6","5","1","4","3","1") = "9"
    & skf18("10","6","5","1","4","4","1") = "9"
    & skf18("10","6","5","1","4","5","1") = "9"
    & skf18("10","6","5","1","4","6","1") = "9"
    & skf18("10","6","5","1","4","7","1") = "9"
    & skf18("10","6","5","1","4","8","1") = "9"
    & skf18("10","6","5","1","4","9","1") = "9"
    & skf18("10","6","5","1","4","10","1") = "9"
    & skf18("10","6","5","1","5","1","1") = "9"
    & skf18("10","6","5","1","5","2","1") = "9"
    & skf18("10","6","5","1","5","3","1") = "9"
    & skf18("10","6","5","1","5","4","1") = "9"
    & skf18("10","6","5","1","5","5","1") = "9"
    & skf18("10","6","5","1","5","6","1") = "9"
    & skf18("10","6","5","1","5","7","1") = "9"
    & skf18("10","6","5","1","5","8","1") = "9"
    & skf18("10","6","5","1","5","9","1") = "9"
    & skf18("10","6","5","1","5","10","1") = "9"
    & skf18("10","6","5","1","6","1","1") = "9"
    & skf18("10","6","5","1","6","2","1") = "9"
    & skf18("10","6","5","1","6","3","1") = "9"
    & skf18("10","6","5","1","6","4","1") = "9"
    & skf18("10","6","5","1","6","5","1") = "9"
    & skf18("10","6","5","1","6","6","1") = "9"
    & skf18("10","6","5","1","6","7","1") = "9"
    & skf18("10","6","5","1","6","8","1") = "9"
    & skf18("10","6","5","1","6","9","1") = "9"
    & skf18("10","6","5","1","6","10","1") = "9"
    & skf18("10","6","5","1","7","1","1") = "9"
    & skf18("10","6","5","1","7","2","1") = "9"
    & skf18("10","6","5","1","7","3","1") = "9"
    & skf18("10","6","5","1","7","4","1") = "9"
    & skf18("10","6","5","1","7","5","1") = "9"
    & skf18("10","6","5","1","7","6","1") = "9"
    & skf18("10","6","5","1","7","7","1") = "9"
    & skf18("10","6","5","1","7","8","1") = "9"
    & skf18("10","6","5","1","7","9","1") = "9"
    & skf18("10","6","5","1","7","10","1") = "9"
    & skf18("10","6","5","1","8","1","1") = "9"
    & skf18("10","6","5","1","8","2","1") = "9"
    & skf18("10","6","5","1","8","3","1") = "9"
    & skf18("10","6","5","1","8","4","1") = "9"
    & skf18("10","6","5","1","8","5","1") = "9"
    & skf18("10","6","5","1","8","6","1") = "9"
    & skf18("10","6","5","1","8","7","1") = "9"
    & skf18("10","6","5","1","8","8","1") = "9"
    & skf18("10","6","5","1","8","9","1") = "9"
    & skf18("10","6","5","1","8","10","1") = "9"
    & skf18("10","6","5","1","9","1","1") = "9"
    & skf18("10","6","5","1","9","2","1") = "9"
    & skf18("10","6","5","1","9","3","1") = "9"
    & skf18("10","6","5","1","9","4","1") = "9"
    & skf18("10","6","5","1","9","5","1") = "9"
    & skf18("10","6","5","1","9","6","1") = "9"
    & skf18("10","6","5","1","9","7","1") = "9"
    & skf18("10","6","5","1","9","8","1") = "9"
    & skf18("10","6","5","1","9","9","1") = "9"
    & skf18("10","6","5","1","9","10","1") = "9"
    & skf18("10","6","5","1","10","1","1") = "9"
    & skf18("10","6","5","1","10","2","1") = "9"
    & skf18("10","6","5","1","10","3","1") = "9"
    & skf18("10","6","5","1","10","4","1") = "9"
    & skf18("10","6","5","1","10","5","1") = "9"
    & skf18("10","6","5","1","10","6","1") = "9"
    & skf18("10","6","5","1","10","7","1") = "9"
    & skf18("10","6","5","1","10","8","1") = "9"
    & skf18("10","6","5","1","10","9","1") = "9"
    & skf18("10","6","5","1","10","10","1") = "9"
    & skf18("10","6","5","2","1","1","1") = "9"
    & skf18("10","6","5","2","1","2","1") = "9"
    & skf18("10","6","5","2","1","3","1") = "9"
    & skf18("10","6","5","2","1","4","1") = "9"
    & skf18("10","6","5","2","1","5","1") = "9"
    & skf18("10","6","5","2","1","6","1") = "9"
    & skf18("10","6","5","2","1","7","1") = "9"
    & skf18("10","6","5","2","1","8","1") = "9"
    & skf18("10","6","5","2","1","9","1") = "9"
    & skf18("10","6","5","2","1","10","1") = "9"
    & skf18("10","6","5","2","2","1","1") = "9"
    & skf18("10","6","5","2","2","2","1") = "9"
    & skf18("10","6","5","2","2","3","1") = "9"
    & skf18("10","6","5","2","2","4","1") = "9"
    & skf18("10","6","5","2","2","5","1") = "9"
    & skf18("10","6","5","2","2","6","1") = "9"
    & skf18("10","6","5","2","2","7","1") = "9"
    & skf18("10","6","5","2","2","8","1") = "9"
    & skf18("10","6","5","2","2","9","1") = "9"
    & skf18("10","6","5","2","2","10","1") = "9"
    & skf18("10","6","5","2","3","1","1") = "9"
    & skf18("10","6","5","2","3","2","1") = "9"
    & skf18("10","6","5","2","3","3","1") = "9"
    & skf18("10","6","5","2","3","4","1") = "9"
    & skf18("10","6","5","2","3","5","1") = "9"
    & skf18("10","6","5","2","3","6","1") = "9"
    & skf18("10","6","5","2","3","7","1") = "9"
    & skf18("10","6","5","2","3","8","1") = "9"
    & skf18("10","6","5","2","3","9","1") = "9"
    & skf18("10","6","5","2","3","10","1") = "9"
    & skf18("10","6","5","2","4","1","1") = "9"
    & skf18("10","6","5","2","4","2","1") = "9"
    & skf18("10","6","5","2","4","3","1") = "9"
    & skf18("10","6","5","2","4","4","1") = "9"
    & skf18("10","6","5","2","4","5","1") = "9"
    & skf18("10","6","5","2","4","6","1") = "9"
    & skf18("10","6","5","2","4","7","1") = "9"
    & skf18("10","6","5","2","4","8","1") = "9"
    & skf18("10","6","5","2","4","9","1") = "9"
    & skf18("10","6","5","2","4","10","1") = "9"
    & skf18("10","6","5","2","5","1","1") = "9"
    & skf18("10","6","5","2","5","2","1") = "9"
    & skf18("10","6","5","2","5","3","1") = "9"
    & skf18("10","6","5","2","5","4","1") = "9"
    & skf18("10","6","5","2","5","5","1") = "9"
    & skf18("10","6","5","2","5","6","1") = "9"
    & skf18("10","6","5","2","5","7","1") = "9"
    & skf18("10","6","5","2","5","8","1") = "9"
    & skf18("10","6","5","2","5","9","1") = "9"
    & skf18("10","6","5","2","5","10","1") = "9"
    & skf18("10","6","5","2","6","1","1") = "9"
    & skf18("10","6","5","2","6","2","1") = "9"
    & skf18("10","6","5","2","6","3","1") = "9"
    & skf18("10","6","5","2","6","4","1") = "9"
    & skf18("10","6","5","2","6","5","1") = "9"
    & skf18("10","6","5","2","6","6","1") = "9"
    & skf18("10","6","5","2","6","7","1") = "9"
    & skf18("10","6","5","2","6","8","1") = "9"
    & skf18("10","6","5","2","6","9","1") = "9"
    & skf18("10","6","5","2","6","10","1") = "9"
    & skf18("10","6","5","2","7","1","1") = "9"
    & skf18("10","6","5","2","7","2","1") = "9"
    & skf18("10","6","5","2","7","3","1") = "9"
    & skf18("10","6","5","2","7","4","1") = "9"
    & skf18("10","6","5","2","7","5","1") = "9"
    & skf18("10","6","5","2","7","6","1") = "9"
    & skf18("10","6","5","2","7","7","1") = "9"
    & skf18("10","6","5","2","7","8","1") = "9"
    & skf18("10","6","5","2","7","9","1") = "9"
    & skf18("10","6","5","2","7","10","1") = "9"
    & skf18("10","6","5","2","8","1","1") = "9"
    & skf18("10","6","5","2","8","2","1") = "9"
    & skf18("10","6","5","2","8","3","1") = "9"
    & skf18("10","6","5","2","8","4","1") = "9"
    & skf18("10","6","5","2","8","5","1") = "9"
    & skf18("10","6","5","2","8","6","1") = "9"
    & skf18("10","6","5","2","8","7","1") = "9"
    & skf18("10","6","5","2","8","8","1") = "9"
    & skf18("10","6","5","2","8","9","1") = "9"
    & skf18("10","6","5","2","8","10","1") = "9"
    & skf18("10","6","5","2","9","1","1") = "9"
    & skf18("10","6","5","2","9","2","1") = "9"
    & skf18("10","6","5","2","9","3","1") = "9"
    & skf18("10","6","5","2","9","4","1") = "9"
    & skf18("10","6","5","2","9","5","1") = "9"
    & skf18("10","6","5","2","9","6","1") = "9"
    & skf18("10","6","5","2","9","7","1") = "9"
    & skf18("10","6","5","2","9","8","1") = "9"
    & skf18("10","6","5","2","9","9","1") = "9"
    & skf18("10","6","5","2","9","10","1") = "9"
    & skf18("10","6","5","2","10","1","1") = "9"
    & skf18("10","6","5","2","10","2","1") = "9"
    & skf18("10","6","5","2","10","3","1") = "9"
    & skf18("10","6","5","2","10","4","1") = "9"
    & skf18("10","6","5","2","10","5","1") = "9"
    & skf18("10","6","5","2","10","6","1") = "9"
    & skf18("10","6","5","2","10","7","1") = "9"
    & skf18("10","6","5","2","10","8","1") = "9"
    & skf18("10","6","5","2","10","9","1") = "9"
    & skf18("10","6","5","2","10","10","1") = "9"
    & skf18("10","6","5","3","1","1","1") = "9"
    & skf18("10","6","5","3","1","2","1") = "9"
    & skf18("10","6","5","3","1","3","1") = "9"
    & skf18("10","6","5","3","1","4","1") = "9"
    & skf18("10","6","5","3","1","5","1") = "9"
    & skf18("10","6","5","3","1","6","1") = "9"
    & skf18("10","6","5","3","1","7","1") = "9"
    & skf18("10","6","5","3","1","8","1") = "9"
    & skf18("10","6","5","3","1","9","1") = "9"
    & skf18("10","6","5","3","1","10","1") = "9"
    & skf18("10","6","5","3","2","1","1") = "9"
    & skf18("10","6","5","3","2","2","1") = "9"
    & skf18("10","6","5","3","2","3","1") = "9"
    & skf18("10","6","5","3","2","4","1") = "9"
    & skf18("10","6","5","3","2","5","1") = "9"
    & skf18("10","6","5","3","2","6","1") = "9"
    & skf18("10","6","5","3","2","7","1") = "9"
    & skf18("10","6","5","3","2","8","1") = "9"
    & skf18("10","6","5","3","2","9","1") = "9"
    & skf18("10","6","5","3","2","10","1") = "9"
    & skf18("10","6","5","3","3","1","1") = "9"
    & skf18("10","6","5","3","3","2","1") = "9"
    & skf18("10","6","5","3","3","3","1") = "9"
    & skf18("10","6","5","3","3","4","1") = "9"
    & skf18("10","6","5","3","3","5","1") = "9"
    & skf18("10","6","5","3","3","6","1") = "9"
    & skf18("10","6","5","3","3","7","1") = "9"
    & skf18("10","6","5","3","3","8","1") = "9"
    & skf18("10","6","5","3","3","9","1") = "9"
    & skf18("10","6","5","3","3","10","1") = "9"
    & skf18("10","6","5","3","4","1","1") = "9"
    & skf18("10","6","5","3","4","2","1") = "9"
    & skf18("10","6","5","3","4","3","1") = "9"
    & skf18("10","6","5","3","4","4","1") = "9"
    & skf18("10","6","5","3","4","5","1") = "9"
    & skf18("10","6","5","3","4","6","1") = "9"
    & skf18("10","6","5","3","4","7","1") = "9"
    & skf18("10","6","5","3","4","8","1") = "9"
    & skf18("10","6","5","3","4","9","1") = "9"
    & skf18("10","6","5","3","4","10","1") = "9"
    & skf18("10","6","5","3","5","1","1") = "9"
    & skf18("10","6","5","3","5","2","1") = "9"
    & skf18("10","6","5","3","5","3","1") = "9"
    & skf18("10","6","5","3","5","4","1") = "9"
    & skf18("10","6","5","3","5","5","1") = "9"
    & skf18("10","6","5","3","5","6","1") = "9"
    & skf18("10","6","5","3","5","7","1") = "9"
    & skf18("10","6","5","3","5","8","1") = "9"
    & skf18("10","6","5","3","5","9","1") = "9"
    & skf18("10","6","5","3","5","10","1") = "9"
    & skf18("10","6","5","3","6","1","1") = "9"
    & skf18("10","6","5","3","6","2","1") = "9"
    & skf18("10","6","5","3","6","3","1") = "9"
    & skf18("10","6","5","3","6","4","1") = "9"
    & skf18("10","6","5","3","6","5","1") = "9"
    & skf18("10","6","5","3","6","6","1") = "9"
    & skf18("10","6","5","3","6","7","1") = "9"
    & skf18("10","6","5","3","6","8","1") = "9"
    & skf18("10","6","5","3","6","9","1") = "9"
    & skf18("10","6","5","3","6","10","1") = "9"
    & skf18("10","6","5","3","7","1","1") = "9"
    & skf18("10","6","5","3","7","2","1") = "9"
    & skf18("10","6","5","3","7","3","1") = "9"
    & skf18("10","6","5","3","7","4","1") = "9"
    & skf18("10","6","5","3","7","5","1") = "9"
    & skf18("10","6","5","3","7","6","1") = "9"
    & skf18("10","6","5","3","7","7","1") = "9"
    & skf18("10","6","5","3","7","8","1") = "9"
    & skf18("10","6","5","3","7","9","1") = "9"
    & skf18("10","6","5","3","7","10","1") = "9"
    & skf18("10","6","5","3","8","1","1") = "9"
    & skf18("10","6","5","3","8","2","1") = "9"
    & skf18("10","6","5","3","8","3","1") = "9"
    & skf18("10","6","5","3","8","4","1") = "9"
    & skf18("10","6","5","3","8","5","1") = "9"
    & skf18("10","6","5","3","8","6","1") = "9"
    & skf18("10","6","5","3","8","7","1") = "9"
    & skf18("10","6","5","3","8","8","1") = "9"
    & skf18("10","6","5","3","8","9","1") = "9"
    & skf18("10","6","5","3","8","10","1") = "9"
    & skf18("10","6","5","3","9","1","1") = "9"
    & skf18("10","6","5","3","9","2","1") = "9"
    & skf18("10","6","5","3","9","3","1") = "9"
    & skf18("10","6","5","3","9","4","1") = "9"
    & skf18("10","6","5","3","9","5","1") = "9"
    & skf18("10","6","5","3","9","6","1") = "9"
    & skf18("10","6","5","3","9","7","1") = "9"
    & skf18("10","6","5","3","9","8","1") = "9"
    & skf18("10","6","5","3","9","9","1") = "9"
    & skf18("10","6","5","3","9","10","1") = "9"
    & skf18("10","6","5","3","10","1","1") = "9"
    & skf18("10","6","5","3","10","2","1") = "9"
    & skf18("10","6","5","3","10","3","1") = "9"
    & skf18("10","6","5","3","10","4","1") = "9"
    & skf18("10","6","5","3","10","5","1") = "9"
    & skf18("10","6","5","3","10","6","1") = "9"
    & skf18("10","6","5","3","10","7","1") = "9"
    & skf18("10","6","5","3","10","8","1") = "9"
    & skf18("10","6","5","3","10","9","1") = "9"
    & skf18("10","6","5","3","10","10","1") = "9"
    & skf18("10","6","5","4","1","1","1") = "9"
    & skf18("10","6","5","4","1","2","1") = "9"
    & skf18("10","6","5","4","1","3","1") = "9"
    & skf18("10","6","5","4","1","4","1") = "9"
    & skf18("10","6","5","4","1","5","1") = "9"
    & skf18("10","6","5","4","1","6","1") = "9"
    & skf18("10","6","5","4","1","7","1") = "9"
    & skf18("10","6","5","4","1","8","1") = "9"
    & skf18("10","6","5","4","1","9","1") = "9"
    & skf18("10","6","5","4","1","10","1") = "9"
    & skf18("10","6","5","4","2","1","1") = "9"
    & skf18("10","6","5","4","2","2","1") = "9"
    & skf18("10","6","5","4","2","3","1") = "9"
    & skf18("10","6","5","4","2","4","1") = "9"
    & skf18("10","6","5","4","2","5","1") = "9"
    & skf18("10","6","5","4","2","6","1") = "9"
    & skf18("10","6","5","4","2","7","1") = "9"
    & skf18("10","6","5","4","2","8","1") = "9"
    & skf18("10","6","5","4","2","9","1") = "9"
    & skf18("10","6","5","4","2","10","1") = "9"
    & skf18("10","6","5","4","3","1","1") = "9"
    & skf18("10","6","5","4","3","2","1") = "9"
    & skf18("10","6","5","4","3","3","1") = "9"
    & skf18("10","6","5","4","3","4","1") = "9"
    & skf18("10","6","5","4","3","5","1") = "9"
    & skf18("10","6","5","4","3","6","1") = "9"
    & skf18("10","6","5","4","3","7","1") = "9"
    & skf18("10","6","5","4","3","8","1") = "9"
    & skf18("10","6","5","4","3","9","1") = "9"
    & skf18("10","6","5","4","3","10","1") = "9"
    & skf18("10","6","5","4","4","1","1") = "9"
    & skf18("10","6","5","4","4","2","1") = "9"
    & skf18("10","6","5","4","4","3","1") = "9"
    & skf18("10","6","5","4","4","4","1") = "9"
    & skf18("10","6","5","4","4","5","1") = "9"
    & skf18("10","6","5","4","4","6","1") = "9"
    & skf18("10","6","5","4","4","7","1") = "9"
    & skf18("10","6","5","4","4","8","1") = "9"
    & skf18("10","6","5","4","4","9","1") = "9"
    & skf18("10","6","5","4","4","10","1") = "9"
    & skf18("10","6","5","4","5","1","1") = "9"
    & skf18("10","6","5","4","5","2","1") = "9"
    & skf18("10","6","5","4","5","3","1") = "9"
    & skf18("10","6","5","4","5","4","1") = "9"
    & skf18("10","6","5","4","5","5","1") = "9"
    & skf18("10","6","5","4","5","6","1") = "9"
    & skf18("10","6","5","4","5","7","1") = "9"
    & skf18("10","6","5","4","5","8","1") = "9"
    & skf18("10","6","5","4","5","9","1") = "9"
    & skf18("10","6","5","4","5","10","1") = "9"
    & skf18("10","6","5","4","6","1","1") = "9"
    & skf18("10","6","5","4","6","2","1") = "9"
    & skf18("10","6","5","4","6","3","1") = "9"
    & skf18("10","6","5","4","6","4","1") = "9"
    & skf18("10","6","5","4","6","5","1") = "9"
    & skf18("10","6","5","4","6","6","1") = "9"
    & skf18("10","6","5","4","6","7","1") = "9"
    & skf18("10","6","5","4","6","8","1") = "9"
    & skf18("10","6","5","4","6","9","1") = "9"
    & skf18("10","6","5","4","6","10","1") = "9"
    & skf18("10","6","5","4","7","1","1") = "9"
    & skf18("10","6","5","4","7","2","1") = "9"
    & skf18("10","6","5","4","7","3","1") = "9"
    & skf18("10","6","5","4","7","4","1") = "9"
    & skf18("10","6","5","4","7","5","1") = "9"
    & skf18("10","6","5","4","7","6","1") = "9"
    & skf18("10","6","5","4","7","7","1") = "9"
    & skf18("10","6","5","4","7","8","1") = "9"
    & skf18("10","6","5","4","7","9","1") = "9"
    & skf18("10","6","5","4","7","10","1") = "9"
    & skf18("10","6","5","4","8","1","1") = "9"
    & skf18("10","6","5","4","8","2","1") = "9"
    & skf18("10","6","5","4","8","3","1") = "9"
    & skf18("10","6","5","4","8","4","1") = "9"
    & skf18("10","6","5","4","8","5","1") = "9"
    & skf18("10","6","5","4","8","6","1") = "9"
    & skf18("10","6","5","4","8","7","1") = "9"
    & skf18("10","6","5","4","8","8","1") = "9"
    & skf18("10","6","5","4","8","9","1") = "9"
    & skf18("10","6","5","4","8","10","1") = "9"
    & skf18("10","6","5","4","9","1","1") = "9"
    & skf18("10","6","5","4","9","2","1") = "9"
    & skf18("10","6","5","4","9","3","1") = "9"
    & skf18("10","6","5","4","9","4","1") = "9"
    & skf18("10","6","5","4","9","5","1") = "9"
    & skf18("10","6","5","4","9","6","1") = "9"
    & skf18("10","6","5","4","9","7","1") = "9"
    & skf18("10","6","5","4","9","8","1") = "9"
    & skf18("10","6","5","4","9","9","1") = "9"
    & skf18("10","6","5","4","9","10","1") = "9"
    & skf18("10","6","5","4","10","1","1") = "9"
    & skf18("10","6","5","4","10","2","1") = "9"
    & skf18("10","6","5","4","10","3","1") = "9"
    & skf18("10","6","5","4","10","4","1") = "9"
    & skf18("10","6","5","4","10","5","1") = "9"
    & skf18("10","6","5","4","10","6","1") = "9"
    & skf18("10","6","5","4","10","7","1") = "9"
    & skf18("10","6","5","4","10","8","1") = "9"
    & skf18("10","6","5","4","10","9","1") = "9"
    & skf18("10","6","5","4","10","10","1") = "9"
    & skf18("10","6","5","5","1","1","1") = "9"
    & skf18("10","6","5","5","1","2","1") = "9"
    & skf18("10","6","5","5","1","3","1") = "9"
    & skf18("10","6","5","5","1","4","1") = "9"
    & skf18("10","6","5","5","1","5","1") = "9"
    & skf18("10","6","5","5","1","6","1") = "9"
    & skf18("10","6","5","5","1","7","1") = "9"
    & skf18("10","6","5","5","1","8","1") = "9"
    & skf18("10","6","5","5","1","9","1") = "9"
    & skf18("10","6","5","5","1","10","1") = "9"
    & skf18("10","6","5","5","2","1","1") = "9"
    & skf18("10","6","5","5","2","2","1") = "9"
    & skf18("10","6","5","5","2","3","1") = "9"
    & skf18("10","6","5","5","2","4","1") = "9"
    & skf18("10","6","5","5","2","5","1") = "9"
    & skf18("10","6","5","5","2","6","1") = "9"
    & skf18("10","6","5","5","2","7","1") = "9"
    & skf18("10","6","5","5","2","8","1") = "9"
    & skf18("10","6","5","5","2","9","1") = "9"
    & skf18("10","6","5","5","2","10","1") = "9"
    & skf18("10","6","5","5","3","1","1") = "9"
    & skf18("10","6","5","5","3","2","1") = "9"
    & skf18("10","6","5","5","3","3","1") = "9"
    & skf18("10","6","5","5","3","4","1") = "9"
    & skf18("10","6","5","5","3","5","1") = "9"
    & skf18("10","6","5","5","3","6","1") = "9"
    & skf18("10","6","5","5","3","7","1") = "9"
    & skf18("10","6","5","5","3","8","1") = "9"
    & skf18("10","6","5","5","3","9","1") = "9"
    & skf18("10","6","5","5","3","10","1") = "9"
    & skf18("10","6","5","5","4","1","1") = "9"
    & skf18("10","6","5","5","4","2","1") = "9"
    & skf18("10","6","5","5","4","3","1") = "9"
    & skf18("10","6","5","5","4","4","1") = "9"
    & skf18("10","6","5","5","4","5","1") = "9"
    & skf18("10","6","5","5","4","6","1") = "9"
    & skf18("10","6","5","5","4","7","1") = "9"
    & skf18("10","6","5","5","4","8","1") = "9"
    & skf18("10","6","5","5","4","9","1") = "9"
    & skf18("10","6","5","5","4","10","1") = "9"
    & skf18("10","6","5","5","5","1","1") = "9"
    & skf18("10","6","5","5","5","2","1") = "9"
    & skf18("10","6","5","5","5","3","1") = "9"
    & skf18("10","6","5","5","5","4","1") = "9"
    & skf18("10","6","5","5","5","5","1") = "9"
    & skf18("10","6","5","5","5","6","1") = "9"
    & skf18("10","6","5","5","5","7","1") = "9"
    & skf18("10","6","5","5","5","8","1") = "9"
    & skf18("10","6","5","5","5","9","1") = "9"
    & skf18("10","6","5","5","5","10","1") = "9"
    & skf18("10","6","5","5","6","1","1") = "9"
    & skf18("10","6","5","5","6","2","1") = "9"
    & skf18("10","6","5","5","6","3","1") = "9"
    & skf18("10","6","5","5","6","4","1") = "9"
    & skf18("10","6","5","5","6","5","1") = "9"
    & skf18("10","6","5","5","6","6","1") = "9"
    & skf18("10","6","5","5","6","7","1") = "9"
    & skf18("10","6","5","5","6","8","1") = "9"
    & skf18("10","6","5","5","6","9","1") = "9"
    & skf18("10","6","5","5","6","10","1") = "9"
    & skf18("10","6","5","5","7","1","1") = "9"
    & skf18("10","6","5","5","7","2","1") = "9"
    & skf18("10","6","5","5","7","3","1") = "9"
    & skf18("10","6","5","5","7","4","1") = "9"
    & skf18("10","6","5","5","7","5","1") = "9"
    & skf18("10","6","5","5","7","6","1") = "9"
    & skf18("10","6","5","5","7","7","1") = "9"
    & skf18("10","6","5","5","7","8","1") = "9"
    & skf18("10","6","5","5","7","9","1") = "9"
    & skf18("10","6","5","5","7","10","1") = "9"
    & skf18("10","6","5","5","8","1","1") = "9"
    & skf18("10","6","5","5","8","2","1") = "9"
    & skf18("10","6","5","5","8","3","1") = "9"
    & skf18("10","6","5","5","8","4","1") = "9"
    & skf18("10","6","5","5","8","5","1") = "9"
    & skf18("10","6","5","5","8","6","1") = "9"
    & skf18("10","6","5","5","8","7","1") = "9"
    & skf18("10","6","5","5","8","8","1") = "9"
    & skf18("10","6","5","5","8","9","1") = "9"
    & skf18("10","6","5","5","8","10","1") = "9"
    & skf18("10","6","5","5","9","1","1") = "9"
    & skf18("10","6","5","5","9","2","1") = "9"
    & skf18("10","6","5","5","9","3","1") = "9"
    & skf18("10","6","5","5","9","4","1") = "9"
    & skf18("10","6","5","5","9","5","1") = "9"
    & skf18("10","6","5","5","9","6","1") = "9"
    & skf18("10","6","5","5","9","7","1") = "9"
    & skf18("10","6","5","5","9","8","1") = "9"
    & skf18("10","6","5","5","9","9","1") = "9"
    & skf18("10","6","5","5","9","10","1") = "9"
    & skf18("10","6","5","5","10","1","1") = "9"
    & skf18("10","6","5","5","10","2","1") = "9"
    & skf18("10","6","5","5","10","3","1") = "9"
    & skf18("10","6","5","5","10","4","1") = "9"
    & skf18("10","6","5","5","10","5","1") = "9"
    & skf18("10","6","5","5","10","6","1") = "9"
    & skf18("10","6","5","5","10","7","1") = "9"
    & skf18("10","6","5","5","10","8","1") = "9"
    & skf18("10","6","5","5","10","9","1") = "9"
    & skf18("10","6","5","5","10","10","1") = "9"
    & skf18("10","6","5","6","1","1","1") = "9"
    & skf18("10","6","5","6","1","2","1") = "9"
    & skf18("10","6","5","6","1","3","1") = "9"
    & skf18("10","6","5","6","1","4","1") = "9"
    & skf18("10","6","5","6","1","5","1") = "9"
    & skf18("10","6","5","6","1","6","1") = "9"
    & skf18("10","6","5","6","1","7","1") = "9"
    & skf18("10","6","5","6","1","8","1") = "9"
    & skf18("10","6","5","6","1","9","1") = "9"
    & skf18("10","6","5","6","1","10","1") = "9"
    & skf18("10","6","5","6","2","1","1") = "9"
    & skf18("10","6","5","6","2","2","1") = "9"
    & skf18("10","6","5","6","2","3","1") = "9"
    & skf18("10","6","5","6","2","4","1") = "9"
    & skf18("10","6","5","6","2","5","1") = "9"
    & skf18("10","6","5","6","2","6","1") = "9"
    & skf18("10","6","5","6","2","7","1") = "9"
    & skf18("10","6","5","6","2","8","1") = "9"
    & skf18("10","6","5","6","2","9","1") = "9"
    & skf18("10","6","5","6","2","10","1") = "9"
    & skf18("10","6","5","6","3","1","1") = "9"
    & skf18("10","6","5","6","3","2","1") = "9"
    & skf18("10","6","5","6","3","3","1") = "9"
    & skf18("10","6","5","6","3","4","1") = "9"
    & skf18("10","6","5","6","3","5","1") = "9"
    & skf18("10","6","5","6","3","6","1") = "9"
    & skf18("10","6","5","6","3","7","1") = "9"
    & skf18("10","6","5","6","3","8","1") = "9"
    & skf18("10","6","5","6","3","9","1") = "9"
    & skf18("10","6","5","6","3","10","1") = "9"
    & skf18("10","6","5","6","4","1","1") = "9"
    & skf18("10","6","5","6","4","2","1") = "9"
    & skf18("10","6","5","6","4","3","1") = "9"
    & skf18("10","6","5","6","4","4","1") = "9"
    & skf18("10","6","5","6","4","5","1") = "9"
    & skf18("10","6","5","6","4","6","1") = "9"
    & skf18("10","6","5","6","4","7","1") = "9"
    & skf18("10","6","5","6","4","8","1") = "9"
    & skf18("10","6","5","6","4","9","1") = "9"
    & skf18("10","6","5","6","4","10","1") = "9"
    & skf18("10","6","5","6","5","1","1") = "9"
    & skf18("10","6","5","6","5","2","1") = "9"
    & skf18("10","6","5","6","5","3","1") = "9"
    & skf18("10","6","5","6","5","4","1") = "9"
    & skf18("10","6","5","6","5","5","1") = "9"
    & skf18("10","6","5","6","5","6","1") = "9"
    & skf18("10","6","5","6","5","7","1") = "9"
    & skf18("10","6","5","6","5","8","1") = "9"
    & skf18("10","6","5","6","5","9","1") = "9"
    & skf18("10","6","5","6","5","10","1") = "9"
    & skf18("10","6","5","6","6","1","1") = "9"
    & skf18("10","6","5","6","6","2","1") = "9"
    & skf18("10","6","5","6","6","3","1") = "9"
    & skf18("10","6","5","6","6","4","1") = "9"
    & skf18("10","6","5","6","6","5","1") = "9"
    & skf18("10","6","5","6","6","6","1") = "9"
    & skf18("10","6","5","6","6","7","1") = "9"
    & skf18("10","6","5","6","6","8","1") = "9"
    & skf18("10","6","5","6","6","9","1") = "9"
    & skf18("10","6","5","6","6","10","1") = "9"
    & skf18("10","6","5","6","7","1","1") = "9"
    & skf18("10","6","5","6","7","2","1") = "9"
    & skf18("10","6","5","6","7","3","1") = "9"
    & skf18("10","6","5","6","7","4","1") = "9"
    & skf18("10","6","5","6","7","5","1") = "9"
    & skf18("10","6","5","6","7","6","1") = "9"
    & skf18("10","6","5","6","7","7","1") = "9"
    & skf18("10","6","5","6","7","8","1") = "9"
    & skf18("10","6","5","6","7","9","1") = "9"
    & skf18("10","6","5","6","7","10","1") = "9"
    & skf18("10","6","5","6","8","1","1") = "9"
    & skf18("10","6","5","6","8","2","1") = "9"
    & skf18("10","6","5","6","8","3","1") = "9"
    & skf18("10","6","5","6","8","4","1") = "9"
    & skf18("10","6","5","6","8","5","1") = "9"
    & skf18("10","6","5","6","8","6","1") = "9"
    & skf18("10","6","5","6","8","7","1") = "9"
    & skf18("10","6","5","6","8","8","1") = "9"
    & skf18("10","6","5","6","8","9","1") = "9"
    & skf18("10","6","5","6","8","10","1") = "9"
    & skf18("10","6","5","6","9","1","1") = "9"
    & skf18("10","6","5","6","9","2","1") = "9"
    & skf18("10","6","5","6","9","3","1") = "9"
    & skf18("10","6","5","6","9","4","1") = "9"
    & skf18("10","6","5","6","9","5","1") = "9"
    & skf18("10","6","5","6","9","6","1") = "9"
    & skf18("10","6","5","6","9","7","1") = "9"
    & skf18("10","6","5","6","9","8","1") = "9"
    & skf18("10","6","5","6","9","9","1") = "9"
    & skf18("10","6","5","6","9","10","1") = "9"
    & skf18("10","6","5","6","10","1","1") = "9"
    & skf18("10","6","5","6","10","2","1") = "9"
    & skf18("10","6","5","6","10","3","1") = "9"
    & skf18("10","6","5","6","10","4","1") = "9"
    & skf18("10","6","5","6","10","5","1") = "9"
    & skf18("10","6","5","6","10","6","1") = "9"
    & skf18("10","6","5","6","10","7","1") = "9"
    & skf18("10","6","5","6","10","8","1") = "9"
    & skf18("10","6","5","6","10","9","1") = "9"
    & skf18("10","6","5","6","10","10","1") = "9"
    & skf18("10","6","5","7","1","1","1") = "9"
    & skf18("10","6","5","7","1","2","1") = "9"
    & skf18("10","6","5","7","1","3","1") = "9"
    & skf18("10","6","5","7","1","4","1") = "9"
    & skf18("10","6","5","7","1","5","1") = "9"
    & skf18("10","6","5","7","1","6","1") = "9"
    & skf18("10","6","5","7","1","7","1") = "9"
    & skf18("10","6","5","7","1","8","1") = "9"
    & skf18("10","6","5","7","1","9","1") = "9"
    & skf18("10","6","5","7","1","10","1") = "9"
    & skf18("10","6","5","7","2","1","1") = "9"
    & skf18("10","6","5","7","2","2","1") = "9"
    & skf18("10","6","5","7","2","3","1") = "9"
    & skf18("10","6","5","7","2","4","1") = "9"
    & skf18("10","6","5","7","2","5","1") = "9"
    & skf18("10","6","5","7","2","6","1") = "9"
    & skf18("10","6","5","7","2","7","1") = "9"
    & skf18("10","6","5","7","2","8","1") = "9"
    & skf18("10","6","5","7","2","9","1") = "9"
    & skf18("10","6","5","7","2","10","1") = "9"
    & skf18("10","6","5","7","3","1","1") = "9"
    & skf18("10","6","5","7","3","2","1") = "9"
    & skf18("10","6","5","7","3","3","1") = "9"
    & skf18("10","6","5","7","3","4","1") = "9"
    & skf18("10","6","5","7","3","5","1") = "9"
    & skf18("10","6","5","7","3","6","1") = "9"
    & skf18("10","6","5","7","3","7","1") = "9"
    & skf18("10","6","5","7","3","8","1") = "9"
    & skf18("10","6","5","7","3","9","1") = "9"
    & skf18("10","6","5","7","3","10","1") = "9"
    & skf18("10","6","5","7","4","1","1") = "9"
    & skf18("10","6","5","7","4","2","1") = "9"
    & skf18("10","6","5","7","4","3","1") = "9"
    & skf18("10","6","5","7","4","4","1") = "9"
    & skf18("10","6","5","7","4","5","1") = "9"
    & skf18("10","6","5","7","4","6","1") = "9"
    & skf18("10","6","5","7","4","7","1") = "9"
    & skf18("10","6","5","7","4","8","1") = "9"
    & skf18("10","6","5","7","4","9","1") = "9"
    & skf18("10","6","5","7","4","10","1") = "9"
    & skf18("10","6","5","7","5","1","1") = "9"
    & skf18("10","6","5","7","5","2","1") = "9"
    & skf18("10","6","5","7","5","3","1") = "9"
    & skf18("10","6","5","7","5","4","1") = "9"
    & skf18("10","6","5","7","5","5","1") = "9"
    & skf18("10","6","5","7","5","6","1") = "9"
    & skf18("10","6","5","7","5","7","1") = "9"
    & skf18("10","6","5","7","5","8","1") = "9"
    & skf18("10","6","5","7","5","9","1") = "9"
    & skf18("10","6","5","7","5","10","1") = "9"
    & skf18("10","6","5","7","6","1","1") = "9"
    & skf18("10","6","5","7","6","2","1") = "9"
    & skf18("10","6","5","7","6","3","1") = "9"
    & skf18("10","6","5","7","6","4","1") = "9"
    & skf18("10","6","5","7","6","5","1") = "9"
    & skf18("10","6","5","7","6","6","1") = "9"
    & skf18("10","6","5","7","6","7","1") = "9"
    & skf18("10","6","5","7","6","8","1") = "9"
    & skf18("10","6","5","7","6","9","1") = "9"
    & skf18("10","6","5","7","6","10","1") = "9"
    & skf18("10","6","5","7","7","1","1") = "9"
    & skf18("10","6","5","7","7","2","1") = "9"
    & skf18("10","6","5","7","7","3","1") = "9"
    & skf18("10","6","5","7","7","4","1") = "9"
    & skf18("10","6","5","7","7","5","1") = "9"
    & skf18("10","6","5","7","7","6","1") = "9"
    & skf18("10","6","5","7","7","7","1") = "9"
    & skf18("10","6","5","7","7","8","1") = "9"
    & skf18("10","6","5","7","7","9","1") = "9"
    & skf18("10","6","5","7","7","10","1") = "9"
    & skf18("10","6","5","7","8","1","1") = "9"
    & skf18("10","6","5","7","8","2","1") = "9"
    & skf18("10","6","5","7","8","3","1") = "9"
    & skf18("10","6","5","7","8","4","1") = "9"
    & skf18("10","6","5","7","8","5","1") = "9"
    & skf18("10","6","5","7","8","6","1") = "9"
    & skf18("10","6","5","7","8","7","1") = "9"
    & skf18("10","6","5","7","8","8","1") = "9"
    & skf18("10","6","5","7","8","9","1") = "9"
    & skf18("10","6","5","7","8","10","1") = "9"
    & skf18("10","6","5","7","9","1","1") = "9"
    & skf18("10","6","5","7","9","2","1") = "9"
    & skf18("10","6","5","7","9","3","1") = "9"
    & skf18("10","6","5","7","9","4","1") = "9"
    & skf18("10","6","5","7","9","5","1") = "9"
    & skf18("10","6","5","7","9","6","1") = "9"
    & skf18("10","6","5","7","9","7","1") = "9"
    & skf18("10","6","5","7","9","8","1") = "9"
    & skf18("10","6","5","7","9","9","1") = "9"
    & skf18("10","6","5","7","9","10","1") = "9"
    & skf18("10","6","5","7","10","1","1") = "9"
    & skf18("10","6","5","7","10","2","1") = "9"
    & skf18("10","6","5","7","10","3","1") = "9"
    & skf18("10","6","5","7","10","4","1") = "9"
    & skf18("10","6","5","7","10","5","1") = "9"
    & skf18("10","6","5","7","10","6","1") = "9"
    & skf18("10","6","5","7","10","7","1") = "9"
    & skf18("10","6","5","7","10","8","1") = "9"
    & skf18("10","6","5","7","10","9","1") = "9"
    & skf18("10","6","5","7","10","10","1") = "9"
    & skf18("10","6","5","8","1","1","1") = "9"
    & skf18("10","6","5","8","1","2","1") = "9"
    & skf18("10","6","5","8","1","3","1") = "9"
    & skf18("10","6","5","8","1","4","1") = "9"
    & skf18("10","6","5","8","1","5","1") = "9"
    & skf18("10","6","5","8","1","6","1") = "9"
    & skf18("10","6","5","8","1","7","1") = "9"
    & skf18("10","6","5","8","1","8","1") = "9"
    & skf18("10","6","5","8","1","9","1") = "9"
    & skf18("10","6","5","8","1","10","1") = "9"
    & skf18("10","6","5","8","2","1","1") = "9"
    & skf18("10","6","5","8","2","2","1") = "9"
    & skf18("10","6","5","8","2","3","1") = "9"
    & skf18("10","6","5","8","2","4","1") = "9"
    & skf18("10","6","5","8","2","5","1") = "9"
    & skf18("10","6","5","8","2","6","1") = "9"
    & skf18("10","6","5","8","2","7","1") = "9"
    & skf18("10","6","5","8","2","8","1") = "9"
    & skf18("10","6","5","8","2","9","1") = "9"
    & skf18("10","6","5","8","2","10","1") = "9"
    & skf18("10","6","5","8","3","1","1") = "9"
    & skf18("10","6","5","8","3","2","1") = "9"
    & skf18("10","6","5","8","3","3","1") = "9"
    & skf18("10","6","5","8","3","4","1") = "9"
    & skf18("10","6","5","8","3","5","1") = "9"
    & skf18("10","6","5","8","3","6","1") = "9"
    & skf18("10","6","5","8","3","7","1") = "9"
    & skf18("10","6","5","8","3","8","1") = "9"
    & skf18("10","6","5","8","3","9","1") = "9"
    & skf18("10","6","5","8","3","10","1") = "9"
    & skf18("10","6","5","8","4","1","1") = "9"
    & skf18("10","6","5","8","4","2","1") = "9"
    & skf18("10","6","5","8","4","3","1") = "9"
    & skf18("10","6","5","8","4","4","1") = "9"
    & skf18("10","6","5","8","4","5","1") = "9"
    & skf18("10","6","5","8","4","6","1") = "9"
    & skf18("10","6","5","8","4","7","1") = "9"
    & skf18("10","6","5","8","4","8","1") = "9"
    & skf18("10","6","5","8","4","9","1") = "9"
    & skf18("10","6","5","8","4","10","1") = "9"
    & skf18("10","6","5","8","5","1","1") = "9"
    & skf18("10","6","5","8","5","2","1") = "9"
    & skf18("10","6","5","8","5","3","1") = "9"
    & skf18("10","6","5","8","5","4","1") = "9"
    & skf18("10","6","5","8","5","5","1") = "9"
    & skf18("10","6","5","8","5","6","1") = "9"
    & skf18("10","6","5","8","5","7","1") = "9"
    & skf18("10","6","5","8","5","8","1") = "9"
    & skf18("10","6","5","8","5","9","1") = "9"
    & skf18("10","6","5","8","5","10","1") = "9"
    & skf18("10","6","5","8","6","1","1") = "9"
    & skf18("10","6","5","8","6","2","1") = "9"
    & skf18("10","6","5","8","6","3","1") = "9"
    & skf18("10","6","5","8","6","4","1") = "9"
    & skf18("10","6","5","8","6","5","1") = "9"
    & skf18("10","6","5","8","6","6","1") = "9"
    & skf18("10","6","5","8","6","7","1") = "9"
    & skf18("10","6","5","8","6","8","1") = "9"
    & skf18("10","6","5","8","6","9","1") = "9"
    & skf18("10","6","5","8","6","10","1") = "9"
    & skf18("10","6","5","8","7","1","1") = "9"
    & skf18("10","6","5","8","7","2","1") = "9"
    & skf18("10","6","5","8","7","3","1") = "9"
    & skf18("10","6","5","8","7","4","1") = "9"
    & skf18("10","6","5","8","7","5","1") = "9"
    & skf18("10","6","5","8","7","6","1") = "9"
    & skf18("10","6","5","8","7","7","1") = "9"
    & skf18("10","6","5","8","7","8","1") = "9"
    & skf18("10","6","5","8","7","9","1") = "9"
    & skf18("10","6","5","8","7","10","1") = "9"
    & skf18("10","6","5","8","8","1","1") = "9"
    & skf18("10","6","5","8","8","2","1") = "9"
    & skf18("10","6","5","8","8","3","1") = "9"
    & skf18("10","6","5","8","8","4","1") = "9"
    & skf18("10","6","5","8","8","5","1") = "9"
    & skf18("10","6","5","8","8","6","1") = "9"
    & skf18("10","6","5","8","8","7","1") = "9"
    & skf18("10","6","5","8","8","8","1") = "9"
    & skf18("10","6","5","8","8","9","1") = "9"
    & skf18("10","6","5","8","8","10","1") = "9"
    & skf18("10","6","5","8","9","1","1") = "9"
    & skf18("10","6","5","8","9","2","1") = "9"
    & skf18("10","6","5","8","9","3","1") = "9"
    & skf18("10","6","5","8","9","4","1") = "9"
    & skf18("10","6","5","8","9","5","1") = "9"
    & skf18("10","6","5","8","9","6","1") = "9"
    & skf18("10","6","5","8","9","7","1") = "9"
    & skf18("10","6","5","8","9","8","1") = "9"
    & skf18("10","6","5","8","9","9","1") = "9"
    & skf18("10","6","5","8","9","10","1") = "9"
    & skf18("10","6","5","8","10","1","1") = "9"
    & skf18("10","6","5","8","10","2","1") = "9"
    & skf18("10","6","5","8","10","3","1") = "9"
    & skf18("10","6","5","8","10","4","1") = "9"
    & skf18("10","6","5","8","10","5","1") = "9"
    & skf18("10","6","5","8","10","6","1") = "9"
    & skf18("10","6","5","8","10","7","1") = "9"
    & skf18("10","6","5","8","10","8","1") = "9"
    & skf18("10","6","5","8","10","9","1") = "9"
    & skf18("10","6","5","8","10","10","1") = "9"
    & skf18("10","6","5","9","1","1","1") = "9"
    & skf18("10","6","5","9","1","2","1") = "9"
    & skf18("10","6","5","9","1","3","1") = "9"
    & skf18("10","6","5","9","1","4","1") = "9"
    & skf18("10","6","5","9","1","5","1") = "9"
    & skf18("10","6","5","9","1","6","1") = "9"
    & skf18("10","6","5","9","1","7","1") = "9"
    & skf18("10","6","5","9","1","8","1") = "9"
    & skf18("10","6","5","9","1","9","1") = "9"
    & skf18("10","6","5","9","1","10","1") = "9"
    & skf18("10","6","5","9","2","1","1") = "9"
    & skf18("10","6","5","9","2","2","1") = "9"
    & skf18("10","6","5","9","2","3","1") = "9"
    & skf18("10","6","5","9","2","4","1") = "9"
    & skf18("10","6","5","9","2","5","1") = "9"
    & skf18("10","6","5","9","2","6","1") = "9"
    & skf18("10","6","5","9","2","7","1") = "9"
    & skf18("10","6","5","9","2","8","1") = "9"
    & skf18("10","6","5","9","2","9","1") = "9"
    & skf18("10","6","5","9","2","10","1") = "9"
    & skf18("10","6","5","9","3","1","1") = "9"
    & skf18("10","6","5","9","3","2","1") = "9"
    & skf18("10","6","5","9","3","3","1") = "9"
    & skf18("10","6","5","9","3","4","1") = "9"
    & skf18("10","6","5","9","3","5","1") = "9"
    & skf18("10","6","5","9","3","6","1") = "9"
    & skf18("10","6","5","9","3","7","1") = "9"
    & skf18("10","6","5","9","3","8","1") = "9"
    & skf18("10","6","5","9","3","9","1") = "9"
    & skf18("10","6","5","9","3","10","1") = "9"
    & skf18("10","6","5","9","4","1","1") = "9"
    & skf18("10","6","5","9","4","2","1") = "9"
    & skf18("10","6","5","9","4","3","1") = "9"
    & skf18("10","6","5","9","4","4","1") = "9"
    & skf18("10","6","5","9","4","5","1") = "9"
    & skf18("10","6","5","9","4","6","1") = "9"
    & skf18("10","6","5","9","4","7","1") = "9"
    & skf18("10","6","5","9","4","8","1") = "9"
    & skf18("10","6","5","9","4","9","1") = "9"
    & skf18("10","6","5","9","4","10","1") = "9"
    & skf18("10","6","5","9","5","1","1") = "9"
    & skf18("10","6","5","9","5","2","1") = "9"
    & skf18("10","6","5","9","5","3","1") = "9"
    & skf18("10","6","5","9","5","4","1") = "9"
    & skf18("10","6","5","9","5","5","1") = "9"
    & skf18("10","6","5","9","5","6","1") = "9"
    & skf18("10","6","5","9","5","7","1") = "9"
    & skf18("10","6","5","9","5","8","1") = "9"
    & skf18("10","6","5","9","5","9","1") = "9"
    & skf18("10","6","5","9","5","10","1") = "9"
    & skf18("10","6","5","9","6","1","1") = "9"
    & skf18("10","6","5","9","6","2","1") = "9"
    & skf18("10","6","5","9","6","3","1") = "9"
    & skf18("10","6","5","9","6","4","1") = "9"
    & skf18("10","6","5","9","6","5","1") = "9"
    & skf18("10","6","5","9","6","6","1") = "9"
    & skf18("10","6","5","9","6","7","1") = "9"
    & skf18("10","6","5","9","6","8","1") = "9"
    & skf18("10","6","5","9","6","9","1") = "9"
    & skf18("10","6","5","9","6","10","1") = "9"
    & skf18("10","6","5","9","7","1","1") = "9"
    & skf18("10","6","5","9","7","2","1") = "9"
    & skf18("10","6","5","9","7","3","1") = "9"
    & skf18("10","6","5","9","7","4","1") = "9"
    & skf18("10","6","5","9","7","5","1") = "9"
    & skf18("10","6","5","9","7","6","1") = "9"
    & skf18("10","6","5","9","7","7","1") = "9"
    & skf18("10","6","5","9","7","8","1") = "9"
    & skf18("10","6","5","9","7","9","1") = "9"
    & skf18("10","6","5","9","7","10","1") = "9"
    & skf18("10","6","5","9","8","1","1") = "9"
    & skf18("10","6","5","9","8","2","1") = "9"
    & skf18("10","6","5","9","8","3","1") = "9"
    & skf18("10","6","5","9","8","4","1") = "9"
    & skf18("10","6","5","9","8","5","1") = "9"
    & skf18("10","6","5","9","8","6","1") = "9"
    & skf18("10","6","5","9","8","7","1") = "9"
    & skf18("10","6","5","9","8","8","1") = "9"
    & skf18("10","6","5","9","8","9","1") = "9"
    & skf18("10","6","5","9","8","10","1") = "9"
    & skf18("10","6","5","9","9","1","1") = "9"
    & skf18("10","6","5","9","9","2","1") = "9"
    & skf18("10","6","5","9","9","3","1") = "9"
    & skf18("10","6","5","9","9","4","1") = "9"
    & skf18("10","6","5","9","9","5","1") = "9"
    & skf18("10","6","5","9","9","6","1") = "9"
    & skf18("10","6","5","9","9","7","1") = "9"
    & skf18("10","6","5","9","9","8","1") = "9"
    & skf18("10","6","5","9","9","9","1") = "9"
    & skf18("10","6","5","9","9","10","1") = "9"
    & skf18("10","6","5","9","10","1","1") = "9"
    & skf18("10","6","5","9","10","2","1") = "9"
    & skf18("10","6","5","9","10","3","1") = "9"
    & skf18("10","6","5","9","10","4","1") = "9"
    & skf18("10","6","5","9","10","5","1") = "9"
    & skf18("10","6","5","9","10","6","1") = "9"
    & skf18("10","6","5","9","10","7","1") = "9"
    & skf18("10","6","5","9","10","8","1") = "9"
    & skf18("10","6","5","9","10","9","1") = "9"
    & skf18("10","6","5","9","10","10","1") = "9"
    & skf18("10","6","5","10","1","1","1") = "9"
    & skf18("10","6","5","10","1","2","1") = "9"
    & skf18("10","6","5","10","1","3","1") = "9"
    & skf18("10","6","5","10","1","4","1") = "9"
    & skf18("10","6","5","10","1","5","1") = "9"
    & skf18("10","6","5","10","1","6","1") = "9"
    & skf18("10","6","5","10","1","7","1") = "9"
    & skf18("10","6","5","10","1","8","1") = "9"
    & skf18("10","6","5","10","1","9","1") = "9"
    & skf18("10","6","5","10","1","10","1") = "9"
    & skf18("10","6","5","10","2","1","1") = "9"
    & skf18("10","6","5","10","2","2","1") = "9"
    & skf18("10","6","5","10","2","3","1") = "9"
    & skf18("10","6","5","10","2","4","1") = "9"
    & skf18("10","6","5","10","2","5","1") = "9"
    & skf18("10","6","5","10","2","6","1") = "9"
    & skf18("10","6","5","10","2","7","1") = "9"
    & skf18("10","6","5","10","2","8","1") = "9"
    & skf18("10","6","5","10","2","9","1") = "9"
    & skf18("10","6","5","10","2","10","1") = "9"
    & skf18("10","6","5","10","3","1","1") = "9"
    & skf18("10","6","5","10","3","2","1") = "9"
    & skf18("10","6","5","10","3","3","1") = "9"
    & skf18("10","6","5","10","3","4","1") = "9"
    & skf18("10","6","5","10","3","5","1") = "9"
    & skf18("10","6","5","10","3","6","1") = "9"
    & skf18("10","6","5","10","3","7","1") = "9"
    & skf18("10","6","5","10","3","8","1") = "9"
    & skf18("10","6","5","10","3","9","1") = "9"
    & skf18("10","6","5","10","3","10","1") = "9"
    & skf18("10","6","5","10","4","1","1") = "9"
    & skf18("10","6","5","10","4","2","1") = "9"
    & skf18("10","6","5","10","4","3","1") = "9"
    & skf18("10","6","5","10","4","4","1") = "9"
    & skf18("10","6","5","10","4","5","1") = "9"
    & skf18("10","6","5","10","4","6","1") = "9"
    & skf18("10","6","5","10","4","7","1") = "9"
    & skf18("10","6","5","10","4","8","1") = "9"
    & skf18("10","6","5","10","4","9","1") = "9"
    & skf18("10","6","5","10","4","10","1") = "9"
    & skf18("10","6","5","10","5","1","1") = "9"
    & skf18("10","6","5","10","5","2","1") = "9"
    & skf18("10","6","5","10","5","3","1") = "9"
    & skf18("10","6","5","10","5","4","1") = "9"
    & skf18("10","6","5","10","5","5","1") = "9"
    & skf18("10","6","5","10","5","6","1") = "9"
    & skf18("10","6","5","10","5","7","1") = "9"
    & skf18("10","6","5","10","5","8","1") = "9"
    & skf18("10","6","5","10","5","9","1") = "9"
    & skf18("10","6","5","10","5","10","1") = "9"
    & skf18("10","6","5","10","6","1","1") = "9"
    & skf18("10","6","5","10","6","2","1") = "9"
    & skf18("10","6","5","10","6","3","1") = "9"
    & skf18("10","6","5","10","6","4","1") = "9"
    & skf18("10","6","5","10","6","5","1") = "9"
    & skf18("10","6","5","10","6","6","1") = "9"
    & skf18("10","6","5","10","6","7","1") = "9"
    & skf18("10","6","5","10","6","8","1") = "9"
    & skf18("10","6","5","10","6","9","1") = "9"
    & skf18("10","6","5","10","6","10","1") = "9"
    & skf18("10","6","5","10","7","1","1") = "9"
    & skf18("10","6","5","10","7","2","1") = "9"
    & skf18("10","6","5","10","7","3","1") = "9"
    & skf18("10","6","5","10","7","4","1") = "9"
    & skf18("10","6","5","10","7","5","1") = "9"
    & skf18("10","6","5","10","7","6","1") = "9"
    & skf18("10","6","5","10","7","7","1") = "9"
    & skf18("10","6","5","10","7","8","1") = "9"
    & skf18("10","6","5","10","7","9","1") = "9"
    & skf18("10","6","5","10","7","10","1") = "9"
    & skf18("10","6","5","10","8","1","1") = "9"
    & skf18("10","6","5","10","8","2","1") = "9"
    & skf18("10","6","5","10","8","3","1") = "9"
    & skf18("10","6","5","10","8","4","1") = "9"
    & skf18("10","6","5","10","8","5","1") = "9"
    & skf18("10","6","5","10","8","6","1") = "9"
    & skf18("10","6","5","10","8","7","1") = "9"
    & skf18("10","6","5","10","8","8","1") = "9"
    & skf18("10","6","5","10","8","9","1") = "9"
    & skf18("10","6","5","10","8","10","1") = "9"
    & skf18("10","6","5","10","9","1","1") = "9"
    & skf18("10","6","5","10","9","2","1") = "9"
    & skf18("10","6","5","10","9","3","1") = "9"
    & skf18("10","6","5","10","9","4","1") = "9"
    & skf18("10","6","5","10","9","5","1") = "9"
    & skf18("10","6","5","10","9","6","1") = "9"
    & skf18("10","6","5","10","9","7","1") = "9"
    & skf18("10","6","5","10","9","8","1") = "9"
    & skf18("10","6","5","10","9","9","1") = "9"
    & skf18("10","6","5","10","9","10","1") = "9"
    & skf18("10","6","5","10","10","1","1") = "9"
    & skf18("10","6","5","10","10","2","1") = "9"
    & skf18("10","6","5","10","10","3","1") = "9"
    & skf18("10","6","5","10","10","4","1") = "9"
    & skf18("10","6","5","10","10","5","1") = "9"
    & skf18("10","6","5","10","10","6","1") = "9"
    & skf18("10","6","5","10","10","7","1") = "9"
    & skf18("10","6","5","10","10","8","1") = "9"
    & skf18("10","6","5","10","10","9","1") = "9"
    & skf18("10","6","5","10","10","10","1") = "9"
    & skf18("10","6","6","1","1","1","1") = "9"
    & skf18("10","6","6","1","1","2","1") = "9"
    & skf18("10","6","6","1","1","3","1") = "9"
    & skf18("10","6","6","1","1","4","1") = "9"
    & skf18("10","6","6","1","1","5","1") = "9"
    & skf18("10","6","6","1","1","6","1") = "9"
    & skf18("10","6","6","1","1","7","1") = "9"
    & skf18("10","6","6","1","1","8","1") = "9"
    & skf18("10","6","6","1","1","9","1") = "9"
    & skf18("10","6","6","1","1","10","1") = "9"
    & skf18("10","6","6","1","2","1","1") = "9"
    & skf18("10","6","6","1","2","2","1") = "9"
    & skf18("10","6","6","1","2","3","1") = "9"
    & skf18("10","6","6","1","2","4","1") = "9"
    & skf18("10","6","6","1","2","5","1") = "9"
    & skf18("10","6","6","1","2","6","1") = "9"
    & skf18("10","6","6","1","2","7","1") = "9"
    & skf18("10","6","6","1","2","8","1") = "9"
    & skf18("10","6","6","1","2","9","1") = "9"
    & skf18("10","6","6","1","2","10","1") = "9"
    & skf18("10","6","6","1","3","1","1") = "9"
    & skf18("10","6","6","1","3","2","1") = "9"
    & skf18("10","6","6","1","3","3","1") = "9"
    & skf18("10","6","6","1","3","4","1") = "9"
    & skf18("10","6","6","1","3","5","1") = "9"
    & skf18("10","6","6","1","3","6","1") = "9"
    & skf18("10","6","6","1","3","7","1") = "9"
    & skf18("10","6","6","1","3","8","1") = "9"
    & skf18("10","6","6","1","3","9","1") = "9"
    & skf18("10","6","6","1","3","10","1") = "9"
    & skf18("10","6","6","1","4","1","1") = "9"
    & skf18("10","6","6","1","4","2","1") = "9"
    & skf18("10","6","6","1","4","3","1") = "9"
    & skf18("10","6","6","1","4","4","1") = "9"
    & skf18("10","6","6","1","4","5","1") = "9"
    & skf18("10","6","6","1","4","6","1") = "9"
    & skf18("10","6","6","1","4","7","1") = "9"
    & skf18("10","6","6","1","4","8","1") = "9"
    & skf18("10","6","6","1","4","9","1") = "9"
    & skf18("10","6","6","1","4","10","1") = "9"
    & skf18("10","6","6","1","5","1","1") = "9"
    & skf18("10","6","6","1","5","2","1") = "9"
    & skf18("10","6","6","1","5","3","1") = "9"
    & skf18("10","6","6","1","5","4","1") = "9"
    & skf18("10","6","6","1","5","5","1") = "9"
    & skf18("10","6","6","1","5","6","1") = "9"
    & skf18("10","6","6","1","5","7","1") = "9"
    & skf18("10","6","6","1","5","8","1") = "9"
    & skf18("10","6","6","1","5","9","1") = "9"
    & skf18("10","6","6","1","5","10","1") = "9"
    & skf18("10","6","6","1","6","1","1") = "9"
    & skf18("10","6","6","1","6","2","1") = "9"
    & skf18("10","6","6","1","6","3","1") = "9"
    & skf18("10","6","6","1","6","4","1") = "9"
    & skf18("10","6","6","1","6","5","1") = "9"
    & skf18("10","6","6","1","6","6","1") = "9"
    & skf18("10","6","6","1","6","7","1") = "9"
    & skf18("10","6","6","1","6","8","1") = "9"
    & skf18("10","6","6","1","6","9","1") = "9"
    & skf18("10","6","6","1","6","10","1") = "9"
    & skf18("10","6","6","1","7","1","1") = "9"
    & skf18("10","6","6","1","7","2","1") = "9"
    & skf18("10","6","6","1","7","3","1") = "9"
    & skf18("10","6","6","1","7","4","1") = "9"
    & skf18("10","6","6","1","7","5","1") = "9"
    & skf18("10","6","6","1","7","6","1") = "9"
    & skf18("10","6","6","1","7","7","1") = "9"
    & skf18("10","6","6","1","7","8","1") = "9"
    & skf18("10","6","6","1","7","9","1") = "9"
    & skf18("10","6","6","1","7","10","1") = "9"
    & skf18("10","6","6","1","8","1","1") = "9"
    & skf18("10","6","6","1","8","2","1") = "9"
    & skf18("10","6","6","1","8","3","1") = "9"
    & skf18("10","6","6","1","8","4","1") = "9"
    & skf18("10","6","6","1","8","5","1") = "9"
    & skf18("10","6","6","1","8","6","1") = "9"
    & skf18("10","6","6","1","8","7","1") = "9"
    & skf18("10","6","6","1","8","8","1") = "9"
    & skf18("10","6","6","1","8","9","1") = "9"
    & skf18("10","6","6","1","8","10","1") = "9"
    & skf18("10","6","6","1","9","1","1") = "9"
    & skf18("10","6","6","1","9","2","1") = "9"
    & skf18("10","6","6","1","9","3","1") = "9"
    & skf18("10","6","6","1","9","4","1") = "9"
    & skf18("10","6","6","1","9","5","1") = "9"
    & skf18("10","6","6","1","9","6","1") = "9"
    & skf18("10","6","6","1","9","7","1") = "9"
    & skf18("10","6","6","1","9","8","1") = "9"
    & skf18("10","6","6","1","9","9","1") = "9"
    & skf18("10","6","6","1","9","10","1") = "9"
    & skf18("10","6","6","1","10","1","1") = "9"
    & skf18("10","6","6","1","10","2","1") = "9"
    & skf18("10","6","6","1","10","3","1") = "9"
    & skf18("10","6","6","1","10","4","1") = "9"
    & skf18("10","6","6","1","10","5","1") = "9"
    & skf18("10","6","6","1","10","6","1") = "9"
    & skf18("10","6","6","1","10","7","1") = "9"
    & skf18("10","6","6","1","10","8","1") = "9"
    & skf18("10","6","6","1","10","9","1") = "9"
    & skf18("10","6","6","1","10","10","1") = "9"
    & skf18("10","6","6","2","1","1","1") = "9"
    & skf18("10","6","6","2","1","2","1") = "9"
    & skf18("10","6","6","2","1","3","1") = "9"
    & skf18("10","6","6","2","1","4","1") = "9"
    & skf18("10","6","6","2","1","5","1") = "9"
    & skf18("10","6","6","2","1","6","1") = "9"
    & skf18("10","6","6","2","1","7","1") = "9"
    & skf18("10","6","6","2","1","8","1") = "9"
    & skf18("10","6","6","2","1","9","1") = "9"
    & skf18("10","6","6","2","1","10","1") = "9"
    & skf18("10","6","6","2","2","1","1") = "9"
    & skf18("10","6","6","2","2","2","1") = "9"
    & skf18("10","6","6","2","2","3","1") = "9"
    & skf18("10","6","6","2","2","4","1") = "9"
    & skf18("10","6","6","2","2","5","1") = "9"
    & skf18("10","6","6","2","2","6","1") = "9"
    & skf18("10","6","6","2","2","7","1") = "9"
    & skf18("10","6","6","2","2","8","1") = "9"
    & skf18("10","6","6","2","2","9","1") = "9"
    & skf18("10","6","6","2","2","10","1") = "9"
    & skf18("10","6","6","2","3","1","1") = "9"
    & skf18("10","6","6","2","3","2","1") = "9"
    & skf18("10","6","6","2","3","3","1") = "9"
    & skf18("10","6","6","2","3","4","1") = "9"
    & skf18("10","6","6","2","3","5","1") = "9"
    & skf18("10","6","6","2","3","6","1") = "9"
    & skf18("10","6","6","2","3","7","1") = "9"
    & skf18("10","6","6","2","3","8","1") = "9"
    & skf18("10","6","6","2","3","9","1") = "9"
    & skf18("10","6","6","2","3","10","1") = "9"
    & skf18("10","6","6","2","4","1","1") = "9"
    & skf18("10","6","6","2","4","2","1") = "9"
    & skf18("10","6","6","2","4","3","1") = "9"
    & skf18("10","6","6","2","4","4","1") = "9"
    & skf18("10","6","6","2","4","5","1") = "9"
    & skf18("10","6","6","2","4","6","1") = "9"
    & skf18("10","6","6","2","4","7","1") = "9"
    & skf18("10","6","6","2","4","8","1") = "9"
    & skf18("10","6","6","2","4","9","1") = "9"
    & skf18("10","6","6","2","4","10","1") = "9"
    & skf18("10","6","6","2","5","1","1") = "9"
    & skf18("10","6","6","2","5","2","1") = "9"
    & skf18("10","6","6","2","5","3","1") = "9"
    & skf18("10","6","6","2","5","4","1") = "9"
    & skf18("10","6","6","2","5","5","1") = "9"
    & skf18("10","6","6","2","5","6","1") = "9"
    & skf18("10","6","6","2","5","7","1") = "9"
    & skf18("10","6","6","2","5","8","1") = "9"
    & skf18("10","6","6","2","5","9","1") = "9"
    & skf18("10","6","6","2","5","10","1") = "9"
    & skf18("10","6","6","2","6","1","1") = "9"
    & skf18("10","6","6","2","6","2","1") = "9"
    & skf18("10","6","6","2","6","3","1") = "9"
    & skf18("10","6","6","2","6","4","1") = "9"
    & skf18("10","6","6","2","6","5","1") = "9"
    & skf18("10","6","6","2","6","6","1") = "9"
    & skf18("10","6","6","2","6","7","1") = "9"
    & skf18("10","6","6","2","6","8","1") = "9"
    & skf18("10","6","6","2","6","9","1") = "9"
    & skf18("10","6","6","2","6","10","1") = "9"
    & skf18("10","6","6","2","7","1","1") = "9"
    & skf18("10","6","6","2","7","2","1") = "9"
    & skf18("10","6","6","2","7","3","1") = "9"
    & skf18("10","6","6","2","7","4","1") = "9"
    & skf18("10","6","6","2","7","5","1") = "9"
    & skf18("10","6","6","2","7","6","1") = "9"
    & skf18("10","6","6","2","7","7","1") = "9"
    & skf18("10","6","6","2","7","8","1") = "9"
    & skf18("10","6","6","2","7","9","1") = "9"
    & skf18("10","6","6","2","7","10","1") = "9"
    & skf18("10","6","6","2","8","1","1") = "9"
    & skf18("10","6","6","2","8","2","1") = "9"
    & skf18("10","6","6","2","8","3","1") = "9"
    & skf18("10","6","6","2","8","4","1") = "9"
    & skf18("10","6","6","2","8","5","1") = "9"
    & skf18("10","6","6","2","8","6","1") = "9"
    & skf18("10","6","6","2","8","7","1") = "9"
    & skf18("10","6","6","2","8","8","1") = "9"
    & skf18("10","6","6","2","8","9","1") = "9"
    & skf18("10","6","6","2","8","10","1") = "9"
    & skf18("10","6","6","2","9","1","1") = "9"
    & skf18("10","6","6","2","9","2","1") = "9"
    & skf18("10","6","6","2","9","3","1") = "9"
    & skf18("10","6","6","2","9","4","1") = "9"
    & skf18("10","6","6","2","9","5","1") = "9"
    & skf18("10","6","6","2","9","6","1") = "9"
    & skf18("10","6","6","2","9","7","1") = "9"
    & skf18("10","6","6","2","9","8","1") = "9"
    & skf18("10","6","6","2","9","9","1") = "9"
    & skf18("10","6","6","2","9","10","1") = "9"
    & skf18("10","6","6","2","10","1","1") = "9"
    & skf18("10","6","6","2","10","2","1") = "9"
    & skf18("10","6","6","2","10","3","1") = "9"
    & skf18("10","6","6","2","10","4","1") = "9"
    & skf18("10","6","6","2","10","5","1") = "9"
    & skf18("10","6","6","2","10","6","1") = "9"
    & skf18("10","6","6","2","10","7","1") = "9"
    & skf18("10","6","6","2","10","8","1") = "9"
    & skf18("10","6","6","2","10","9","1") = "9"
    & skf18("10","6","6","2","10","10","1") = "9"
    & skf18("10","6","6","3","1","1","1") = "9"
    & skf18("10","6","6","3","1","2","1") = "9"
    & skf18("10","6","6","3","1","3","1") = "9"
    & skf18("10","6","6","3","1","4","1") = "9"
    & skf18("10","6","6","3","1","5","1") = "9"
    & skf18("10","6","6","3","1","6","1") = "9"
    & skf18("10","6","6","3","1","7","1") = "9"
    & skf18("10","6","6","3","1","8","1") = "9"
    & skf18("10","6","6","3","1","9","1") = "9"
    & skf18("10","6","6","3","1","10","1") = "9"
    & skf18("10","6","6","3","2","1","1") = "9"
    & skf18("10","6","6","3","2","2","1") = "9"
    & skf18("10","6","6","3","2","3","1") = "9"
    & skf18("10","6","6","3","2","4","1") = "9"
    & skf18("10","6","6","3","2","5","1") = "9"
    & skf18("10","6","6","3","2","6","1") = "9"
    & skf18("10","6","6","3","2","7","1") = "9"
    & skf18("10","6","6","3","2","8","1") = "9"
    & skf18("10","6","6","3","2","9","1") = "9"
    & skf18("10","6","6","3","2","10","1") = "9"
    & skf18("10","6","6","3","3","1","1") = "9"
    & skf18("10","6","6","3","3","2","1") = "9"
    & skf18("10","6","6","3","3","3","1") = "9"
    & skf18("10","6","6","3","3","4","1") = "9"
    & skf18("10","6","6","3","3","5","1") = "9"
    & skf18("10","6","6","3","3","6","1") = "9"
    & skf18("10","6","6","3","3","7","1") = "9"
    & skf18("10","6","6","3","3","8","1") = "9"
    & skf18("10","6","6","3","3","9","1") = "9"
    & skf18("10","6","6","3","3","10","1") = "9"
    & skf18("10","6","6","3","4","1","1") = "9"
    & skf18("10","6","6","3","4","2","1") = "9"
    & skf18("10","6","6","3","4","3","1") = "9"
    & skf18("10","6","6","3","4","4","1") = "9"
    & skf18("10","6","6","3","4","5","1") = "9"
    & skf18("10","6","6","3","4","6","1") = "9"
    & skf18("10","6","6","3","4","7","1") = "9"
    & skf18("10","6","6","3","4","8","1") = "9"
    & skf18("10","6","6","3","4","9","1") = "9"
    & skf18("10","6","6","3","4","10","1") = "9"
    & skf18("10","6","6","3","5","1","1") = "9"
    & skf18("10","6","6","3","5","2","1") = "9"
    & skf18("10","6","6","3","5","3","1") = "9"
    & skf18("10","6","6","3","5","4","1") = "9"
    & skf18("10","6","6","3","5","5","1") = "9"
    & skf18("10","6","6","3","5","6","1") = "9"
    & skf18("10","6","6","3","5","7","1") = "9"
    & skf18("10","6","6","3","5","8","1") = "9"
    & skf18("10","6","6","3","5","9","1") = "9"
    & skf18("10","6","6","3","5","10","1") = "9"
    & skf18("10","6","6","3","6","1","1") = "9"
    & skf18("10","6","6","3","6","2","1") = "9"
    & skf18("10","6","6","3","6","3","1") = "9"
    & skf18("10","6","6","3","6","4","1") = "9"
    & skf18("10","6","6","3","6","5","1") = "9"
    & skf18("10","6","6","3","6","6","1") = "9"
    & skf18("10","6","6","3","6","7","1") = "9"
    & skf18("10","6","6","3","6","8","1") = "9"
    & skf18("10","6","6","3","6","9","1") = "9"
    & skf18("10","6","6","3","6","10","1") = "9"
    & skf18("10","6","6","3","7","1","1") = "9"
    & skf18("10","6","6","3","7","2","1") = "9"
    & skf18("10","6","6","3","7","3","1") = "9"
    & skf18("10","6","6","3","7","4","1") = "9"
    & skf18("10","6","6","3","7","5","1") = "9"
    & skf18("10","6","6","3","7","6","1") = "9"
    & skf18("10","6","6","3","7","7","1") = "9"
    & skf18("10","6","6","3","7","8","1") = "9"
    & skf18("10","6","6","3","7","9","1") = "9"
    & skf18("10","6","6","3","7","10","1") = "9"
    & skf18("10","6","6","3","8","1","1") = "9"
    & skf18("10","6","6","3","8","2","1") = "9"
    & skf18("10","6","6","3","8","3","1") = "9"
    & skf18("10","6","6","3","8","4","1") = "9"
    & skf18("10","6","6","3","8","5","1") = "9"
    & skf18("10","6","6","3","8","6","1") = "9"
    & skf18("10","6","6","3","8","7","1") = "9"
    & skf18("10","6","6","3","8","8","1") = "9"
    & skf18("10","6","6","3","8","9","1") = "9"
    & skf18("10","6","6","3","8","10","1") = "9"
    & skf18("10","6","6","3","9","1","1") = "9"
    & skf18("10","6","6","3","9","2","1") = "9"
    & skf18("10","6","6","3","9","3","1") = "9"
    & skf18("10","6","6","3","9","4","1") = "9"
    & skf18("10","6","6","3","9","5","1") = "9"
    & skf18("10","6","6","3","9","6","1") = "9"
    & skf18("10","6","6","3","9","7","1") = "9"
    & skf18("10","6","6","3","9","8","1") = "9"
    & skf18("10","6","6","3","9","9","1") = "9"
    & skf18("10","6","6","3","9","10","1") = "9"
    & skf18("10","6","6","3","10","1","1") = "9"
    & skf18("10","6","6","3","10","2","1") = "9"
    & skf18("10","6","6","3","10","3","1") = "9"
    & skf18("10","6","6","3","10","4","1") = "9"
    & skf18("10","6","6","3","10","5","1") = "9"
    & skf18("10","6","6","3","10","6","1") = "9"
    & skf18("10","6","6","3","10","7","1") = "9"
    & skf18("10","6","6","3","10","8","1") = "9"
    & skf18("10","6","6","3","10","9","1") = "9"
    & skf18("10","6","6","3","10","10","1") = "9"
    & skf18("10","6","6","4","1","1","1") = "9"
    & skf18("10","6","6","4","1","2","1") = "9"
    & skf18("10","6","6","4","1","3","1") = "9"
    & skf18("10","6","6","4","1","4","1") = "9"
    & skf18("10","6","6","4","1","5","1") = "9"
    & skf18("10","6","6","4","1","6","1") = "9"
    & skf18("10","6","6","4","1","7","1") = "9"
    & skf18("10","6","6","4","1","8","1") = "9"
    & skf18("10","6","6","4","1","9","1") = "9"
    & skf18("10","6","6","4","1","10","1") = "9"
    & skf18("10","6","6","4","2","1","1") = "9"
    & skf18("10","6","6","4","2","2","1") = "9"
    & skf18("10","6","6","4","2","3","1") = "9"
    & skf18("10","6","6","4","2","4","1") = "9"
    & skf18("10","6","6","4","2","5","1") = "9"
    & skf18("10","6","6","4","2","6","1") = "9"
    & skf18("10","6","6","4","2","7","1") = "9"
    & skf18("10","6","6","4","2","8","1") = "9"
    & skf18("10","6","6","4","2","9","1") = "9"
    & skf18("10","6","6","4","2","10","1") = "9"
    & skf18("10","6","6","4","3","1","1") = "9"
    & skf18("10","6","6","4","3","2","1") = "9"
    & skf18("10","6","6","4","3","3","1") = "9"
    & skf18("10","6","6","4","3","4","1") = "9"
    & skf18("10","6","6","4","3","5","1") = "9"
    & skf18("10","6","6","4","3","6","1") = "9"
    & skf18("10","6","6","4","3","7","1") = "9"
    & skf18("10","6","6","4","3","8","1") = "9"
    & skf18("10","6","6","4","3","9","1") = "9"
    & skf18("10","6","6","4","3","10","1") = "9"
    & skf18("10","6","6","4","4","1","1") = "9"
    & skf18("10","6","6","4","4","2","1") = "9"
    & skf18("10","6","6","4","4","3","1") = "9"
    & skf18("10","6","6","4","4","4","1") = "9"
    & skf18("10","6","6","4","4","5","1") = "9"
    & skf18("10","6","6","4","4","6","1") = "9"
    & skf18("10","6","6","4","4","7","1") = "9"
    & skf18("10","6","6","4","4","8","1") = "9"
    & skf18("10","6","6","4","4","9","1") = "9"
    & skf18("10","6","6","4","4","10","1") = "9"
    & skf18("10","6","6","4","5","1","1") = "9"
    & skf18("10","6","6","4","5","2","1") = "9"
    & skf18("10","6","6","4","5","3","1") = "9"
    & skf18("10","6","6","4","5","4","1") = "9"
    & skf18("10","6","6","4","5","5","1") = "9"
    & skf18("10","6","6","4","5","6","1") = "9"
    & skf18("10","6","6","4","5","7","1") = "9"
    & skf18("10","6","6","4","5","8","1") = "9"
    & skf18("10","6","6","4","5","9","1") = "9"
    & skf18("10","6","6","4","5","10","1") = "9"
    & skf18("10","6","6","4","6","1","1") = "9"
    & skf18("10","6","6","4","6","2","1") = "9"
    & skf18("10","6","6","4","6","3","1") = "9"
    & skf18("10","6","6","4","6","4","1") = "9"
    & skf18("10","6","6","4","6","5","1") = "9"
    & skf18("10","6","6","4","6","6","1") = "9"
    & skf18("10","6","6","4","6","7","1") = "9"
    & skf18("10","6","6","4","6","8","1") = "9"
    & skf18("10","6","6","4","6","9","1") = "9"
    & skf18("10","6","6","4","6","10","1") = "9"
    & skf18("10","6","6","4","7","1","1") = "9"
    & skf18("10","6","6","4","7","2","1") = "9"
    & skf18("10","6","6","4","7","3","1") = "9"
    & skf18("10","6","6","4","7","4","1") = "9"
    & skf18("10","6","6","4","7","5","1") = "9"
    & skf18("10","6","6","4","7","6","1") = "9"
    & skf18("10","6","6","4","7","7","1") = "9"
    & skf18("10","6","6","4","7","8","1") = "9"
    & skf18("10","6","6","4","7","9","1") = "9"
    & skf18("10","6","6","4","7","10","1") = "9"
    & skf18("10","6","6","4","8","1","1") = "9"
    & skf18("10","6","6","4","8","2","1") = "9"
    & skf18("10","6","6","4","8","3","1") = "9"
    & skf18("10","6","6","4","8","4","1") = "9"
    & skf18("10","6","6","4","8","5","1") = "9"
    & skf18("10","6","6","4","8","6","1") = "9"
    & skf18("10","6","6","4","8","7","1") = "9"
    & skf18("10","6","6","4","8","8","1") = "9"
    & skf18("10","6","6","4","8","9","1") = "9"
    & skf18("10","6","6","4","8","10","1") = "9"
    & skf18("10","6","6","4","9","1","1") = "9"
    & skf18("10","6","6","4","9","2","1") = "9"
    & skf18("10","6","6","4","9","3","1") = "9"
    & skf18("10","6","6","4","9","4","1") = "9"
    & skf18("10","6","6","4","9","5","1") = "9"
    & skf18("10","6","6","4","9","6","1") = "9"
    & skf18("10","6","6","4","9","7","1") = "9"
    & skf18("10","6","6","4","9","8","1") = "9"
    & skf18("10","6","6","4","9","9","1") = "9"
    & skf18("10","6","6","4","9","10","1") = "9"
    & skf18("10","6","6","4","10","1","1") = "9"
    & skf18("10","6","6","4","10","2","1") = "9"
    & skf18("10","6","6","4","10","3","1") = "9"
    & skf18("10","6","6","4","10","4","1") = "9"
    & skf18("10","6","6","4","10","5","1") = "9"
    & skf18("10","6","6","4","10","6","1") = "9"
    & skf18("10","6","6","4","10","7","1") = "9"
    & skf18("10","6","6","4","10","8","1") = "9"
    & skf18("10","6","6","4","10","9","1") = "9"
    & skf18("10","6","6","4","10","10","1") = "9"
    & skf18("10","6","6","5","1","1","1") = "9"
    & skf18("10","6","6","5","1","2","1") = "9"
    & skf18("10","6","6","5","1","3","1") = "9"
    & skf18("10","6","6","5","1","4","1") = "9"
    & skf18("10","6","6","5","1","5","1") = "9"
    & skf18("10","6","6","5","1","6","1") = "9"
    & skf18("10","6","6","5","1","7","1") = "9"
    & skf18("10","6","6","5","1","8","1") = "9"
    & skf18("10","6","6","5","1","9","1") = "9"
    & skf18("10","6","6","5","1","10","1") = "9"
    & skf18("10","6","6","5","2","1","1") = "9"
    & skf18("10","6","6","5","2","2","1") = "9"
    & skf18("10","6","6","5","2","3","1") = "9"
    & skf18("10","6","6","5","2","4","1") = "9"
    & skf18("10","6","6","5","2","5","1") = "9"
    & skf18("10","6","6","5","2","6","1") = "9"
    & skf18("10","6","6","5","2","7","1") = "9"
    & skf18("10","6","6","5","2","8","1") = "9"
    & skf18("10","6","6","5","2","9","1") = "9"
    & skf18("10","6","6","5","2","10","1") = "9"
    & skf18("10","6","6","5","3","1","1") = "9"
    & skf18("10","6","6","5","3","2","1") = "9"
    & skf18("10","6","6","5","3","3","1") = "9"
    & skf18("10","6","6","5","3","4","1") = "9"
    & skf18("10","6","6","5","3","5","1") = "9"
    & skf18("10","6","6","5","3","6","1") = "9"
    & skf18("10","6","6","5","3","7","1") = "9"
    & skf18("10","6","6","5","3","8","1") = "9"
    & skf18("10","6","6","5","3","9","1") = "9"
    & skf18("10","6","6","5","3","10","1") = "9"
    & skf18("10","6","6","5","4","1","1") = "9"
    & skf18("10","6","6","5","4","2","1") = "9"
    & skf18("10","6","6","5","4","3","1") = "9"
    & skf18("10","6","6","5","4","4","1") = "9"
    & skf18("10","6","6","5","4","5","1") = "9"
    & skf18("10","6","6","5","4","6","1") = "9"
    & skf18("10","6","6","5","4","7","1") = "9"
    & skf18("10","6","6","5","4","8","1") = "9"
    & skf18("10","6","6","5","4","9","1") = "9"
    & skf18("10","6","6","5","4","10","1") = "9"
    & skf18("10","6","6","5","5","1","1") = "9"
    & skf18("10","6","6","5","5","2","1") = "9"
    & skf18("10","6","6","5","5","3","1") = "9"
    & skf18("10","6","6","5","5","4","1") = "9"
    & skf18("10","6","6","5","5","5","1") = "9"
    & skf18("10","6","6","5","5","6","1") = "9"
    & skf18("10","6","6","5","5","7","1") = "9"
    & skf18("10","6","6","5","5","8","1") = "9"
    & skf18("10","6","6","5","5","9","1") = "9"
    & skf18("10","6","6","5","5","10","1") = "9"
    & skf18("10","6","6","5","6","1","1") = "9"
    & skf18("10","6","6","5","6","2","1") = "9"
    & skf18("10","6","6","5","6","3","1") = "9"
    & skf18("10","6","6","5","6","4","1") = "9"
    & skf18("10","6","6","5","6","5","1") = "9"
    & skf18("10","6","6","5","6","6","1") = "9"
    & skf18("10","6","6","5","6","7","1") = "9"
    & skf18("10","6","6","5","6","8","1") = "9"
    & skf18("10","6","6","5","6","9","1") = "9"
    & skf18("10","6","6","5","6","10","1") = "9"
    & skf18("10","6","6","5","7","1","1") = "9"
    & skf18("10","6","6","5","7","2","1") = "9"
    & skf18("10","6","6","5","7","3","1") = "9"
    & skf18("10","6","6","5","7","4","1") = "9"
    & skf18("10","6","6","5","7","5","1") = "9"
    & skf18("10","6","6","5","7","6","1") = "9"
    & skf18("10","6","6","5","7","7","1") = "9"
    & skf18("10","6","6","5","7","8","1") = "9"
    & skf18("10","6","6","5","7","9","1") = "9"
    & skf18("10","6","6","5","7","10","1") = "9"
    & skf18("10","6","6","5","8","1","1") = "9"
    & skf18("10","6","6","5","8","2","1") = "9"
    & skf18("10","6","6","5","8","3","1") = "9"
    & skf18("10","6","6","5","8","4","1") = "9"
    & skf18("10","6","6","5","8","5","1") = "9"
    & skf18("10","6","6","5","8","6","1") = "9"
    & skf18("10","6","6","5","8","7","1") = "9"
    & skf18("10","6","6","5","8","8","1") = "9"
    & skf18("10","6","6","5","8","9","1") = "9"
    & skf18("10","6","6","5","8","10","1") = "9"
    & skf18("10","6","6","5","9","1","1") = "9"
    & skf18("10","6","6","5","9","2","1") = "9"
    & skf18("10","6","6","5","9","3","1") = "9"
    & skf18("10","6","6","5","9","4","1") = "9"
    & skf18("10","6","6","5","9","5","1") = "9"
    & skf18("10","6","6","5","9","6","1") = "9"
    & skf18("10","6","6","5","9","7","1") = "9"
    & skf18("10","6","6","5","9","8","1") = "9"
    & skf18("10","6","6","5","9","9","1") = "9"
    & skf18("10","6","6","5","9","10","1") = "9"
    & skf18("10","6","6","5","10","1","1") = "9"
    & skf18("10","6","6","5","10","2","1") = "9"
    & skf18("10","6","6","5","10","3","1") = "9"
    & skf18("10","6","6","5","10","4","1") = "9"
    & skf18("10","6","6","5","10","5","1") = "9"
    & skf18("10","6","6","5","10","6","1") = "9"
    & skf18("10","6","6","5","10","7","1") = "9"
    & skf18("10","6","6","5","10","8","1") = "9"
    & skf18("10","6","6","5","10","9","1") = "9"
    & skf18("10","6","6","5","10","10","1") = "9"
    & skf18("10","6","6","6","1","1","1") = "9"
    & skf18("10","6","6","6","1","2","1") = "9"
    & skf18("10","6","6","6","1","3","1") = "9"
    & skf18("10","6","6","6","1","4","1") = "9"
    & skf18("10","6","6","6","1","5","1") = "9"
    & skf18("10","6","6","6","1","6","1") = "9"
    & skf18("10","6","6","6","1","7","1") = "9"
    & skf18("10","6","6","6","1","8","1") = "9"
    & skf18("10","6","6","6","1","9","1") = "9"
    & skf18("10","6","6","6","1","10","1") = "9"
    & skf18("10","6","6","6","2","1","1") = "9"
    & skf18("10","6","6","6","2","2","1") = "9"
    & skf18("10","6","6","6","2","3","1") = "9"
    & skf18("10","6","6","6","2","4","1") = "9"
    & skf18("10","6","6","6","2","5","1") = "9"
    & skf18("10","6","6","6","2","6","1") = "9"
    & skf18("10","6","6","6","2","7","1") = "9"
    & skf18("10","6","6","6","2","8","1") = "9"
    & skf18("10","6","6","6","2","9","1") = "9"
    & skf18("10","6","6","6","2","10","1") = "9"
    & skf18("10","6","6","6","3","1","1") = "9"
    & skf18("10","6","6","6","3","2","1") = "9"
    & skf18("10","6","6","6","3","3","1") = "9"
    & skf18("10","6","6","6","3","4","1") = "9"
    & skf18("10","6","6","6","3","5","1") = "9"
    & skf18("10","6","6","6","3","6","1") = "9"
    & skf18("10","6","6","6","3","7","1") = "9"
    & skf18("10","6","6","6","3","8","1") = "9"
    & skf18("10","6","6","6","3","9","1") = "9"
    & skf18("10","6","6","6","3","10","1") = "9"
    & skf18("10","6","6","6","4","1","1") = "9"
    & skf18("10","6","6","6","4","2","1") = "9"
    & skf18("10","6","6","6","4","3","1") = "9"
    & skf18("10","6","6","6","4","4","1") = "9"
    & skf18("10","6","6","6","4","5","1") = "9"
    & skf18("10","6","6","6","4","6","1") = "9"
    & skf18("10","6","6","6","4","7","1") = "9"
    & skf18("10","6","6","6","4","8","1") = "9"
    & skf18("10","6","6","6","4","9","1") = "9"
    & skf18("10","6","6","6","4","10","1") = "9"
    & skf18("10","6","6","6","5","1","1") = "9"
    & skf18("10","6","6","6","5","2","1") = "9"
    & skf18("10","6","6","6","5","3","1") = "9"
    & skf18("10","6","6","6","5","4","1") = "9"
    & skf18("10","6","6","6","5","5","1") = "9"
    & skf18("10","6","6","6","5","6","1") = "9"
    & skf18("10","6","6","6","5","7","1") = "9"
    & skf18("10","6","6","6","5","8","1") = "9"
    & skf18("10","6","6","6","5","9","1") = "9"
    & skf18("10","6","6","6","5","10","1") = "9"
    & skf18("10","6","6","6","6","1","1") = "9"
    & skf18("10","6","6","6","6","2","1") = "9"
    & skf18("10","6","6","6","6","3","1") = "9"
    & skf18("10","6","6","6","6","4","1") = "9"
    & skf18("10","6","6","6","6","5","1") = "9"
    & skf18("10","6","6","6","6","6","1") = "9"
    & skf18("10","6","6","6","6","7","1") = "9"
    & skf18("10","6","6","6","6","8","1") = "9"
    & skf18("10","6","6","6","6","9","1") = "9"
    & skf18("10","6","6","6","6","10","1") = "9"
    & skf18("10","6","6","6","7","1","1") = "9"
    & skf18("10","6","6","6","7","2","1") = "9"
    & skf18("10","6","6","6","7","3","1") = "9"
    & skf18("10","6","6","6","7","4","1") = "9"
    & skf18("10","6","6","6","7","5","1") = "9"
    & skf18("10","6","6","6","7","6","1") = "9"
    & skf18("10","6","6","6","7","7","1") = "9"
    & skf18("10","6","6","6","7","8","1") = "9"
    & skf18("10","6","6","6","7","9","1") = "9"
    & skf18("10","6","6","6","7","10","1") = "9"
    & skf18("10","6","6","6","8","1","1") = "9"
    & skf18("10","6","6","6","8","2","1") = "9"
    & skf18("10","6","6","6","8","3","1") = "9"
    & skf18("10","6","6","6","8","4","1") = "9"
    & skf18("10","6","6","6","8","5","1") = "9"
    & skf18("10","6","6","6","8","6","1") = "9"
    & skf18("10","6","6","6","8","7","1") = "9"
    & skf18("10","6","6","6","8","8","1") = "9"
    & skf18("10","6","6","6","8","9","1") = "9"
    & skf18("10","6","6","6","8","10","1") = "9"
    & skf18("10","6","6","6","9","1","1") = "9"
    & skf18("10","6","6","6","9","2","1") = "9"
    & skf18("10","6","6","6","9","3","1") = "9"
    & skf18("10","6","6","6","9","4","1") = "9"
    & skf18("10","6","6","6","9","5","1") = "9"
    & skf18("10","6","6","6","9","6","1") = "9"
    & skf18("10","6","6","6","9","7","1") = "9"
    & skf18("10","6","6","6","9","8","1") = "9"
    & skf18("10","6","6","6","9","9","1") = "9"
    & skf18("10","6","6","6","9","10","1") = "9"
    & skf18("10","6","6","6","10","1","1") = "9"
    & skf18("10","6","6","6","10","2","1") = "9"
    & skf18("10","6","6","6","10","3","1") = "9"
    & skf18("10","6","6","6","10","4","1") = "9"
    & skf18("10","6","6","6","10","5","1") = "9"
    & skf18("10","6","6","6","10","6","1") = "9"
    & skf18("10","6","6","6","10","7","1") = "9"
    & skf18("10","6","6","6","10","8","1") = "9"
    & skf18("10","6","6","6","10","9","1") = "9"
    & skf18("10","6","6","6","10","10","1") = "9"
    & skf18("10","6","6","7","1","1","1") = "9"
    & skf18("10","6","6","7","1","2","1") = "9"
    & skf18("10","6","6","7","1","3","1") = "9"
    & skf18("10","6","6","7","1","4","1") = "9"
    & skf18("10","6","6","7","1","5","1") = "9"
    & skf18("10","6","6","7","1","6","1") = "9"
    & skf18("10","6","6","7","1","7","1") = "9"
    & skf18("10","6","6","7","1","8","1") = "9"
    & skf18("10","6","6","7","1","9","1") = "9"
    & skf18("10","6","6","7","1","10","1") = "9"
    & skf18("10","6","6","7","2","1","1") = "9"
    & skf18("10","6","6","7","2","2","1") = "9"
    & skf18("10","6","6","7","2","3","1") = "9"
    & skf18("10","6","6","7","2","4","1") = "9"
    & skf18("10","6","6","7","2","5","1") = "9"
    & skf18("10","6","6","7","2","6","1") = "9"
    & skf18("10","6","6","7","2","7","1") = "9"
    & skf18("10","6","6","7","2","8","1") = "9"
    & skf18("10","6","6","7","2","9","1") = "9"
    & skf18("10","6","6","7","2","10","1") = "9"
    & skf18("10","6","6","7","3","1","1") = "9"
    & skf18("10","6","6","7","3","2","1") = "9"
    & skf18("10","6","6","7","3","3","1") = "9"
    & skf18("10","6","6","7","3","4","1") = "9"
    & skf18("10","6","6","7","3","5","1") = "9"
    & skf18("10","6","6","7","3","6","1") = "9"
    & skf18("10","6","6","7","3","7","1") = "9"
    & skf18("10","6","6","7","3","8","1") = "9"
    & skf18("10","6","6","7","3","9","1") = "9"
    & skf18("10","6","6","7","3","10","1") = "9"
    & skf18("10","6","6","7","4","1","1") = "9"
    & skf18("10","6","6","7","4","2","1") = "9"
    & skf18("10","6","6","7","4","3","1") = "9"
    & skf18("10","6","6","7","4","4","1") = "9"
    & skf18("10","6","6","7","4","5","1") = "9"
    & skf18("10","6","6","7","4","6","1") = "9"
    & skf18("10","6","6","7","4","7","1") = "9"
    & skf18("10","6","6","7","4","8","1") = "9"
    & skf18("10","6","6","7","4","9","1") = "9"
    & skf18("10","6","6","7","4","10","1") = "9"
    & skf18("10","6","6","7","5","1","1") = "9"
    & skf18("10","6","6","7","5","2","1") = "9"
    & skf18("10","6","6","7","5","3","1") = "9"
    & skf18("10","6","6","7","5","4","1") = "9"
    & skf18("10","6","6","7","5","5","1") = "9"
    & skf18("10","6","6","7","5","6","1") = "9"
    & skf18("10","6","6","7","5","7","1") = "9"
    & skf18("10","6","6","7","5","8","1") = "9"
    & skf18("10","6","6","7","5","9","1") = "9"
    & skf18("10","6","6","7","5","10","1") = "9"
    & skf18("10","6","6","7","6","1","1") = "9"
    & skf18("10","6","6","7","6","2","1") = "9"
    & skf18("10","6","6","7","6","3","1") = "9"
    & skf18("10","6","6","7","6","4","1") = "9"
    & skf18("10","6","6","7","6","5","1") = "9"
    & skf18("10","6","6","7","6","6","1") = "9"
    & skf18("10","6","6","7","6","7","1") = "9"
    & skf18("10","6","6","7","6","8","1") = "9"
    & skf18("10","6","6","7","6","9","1") = "9"
    & skf18("10","6","6","7","6","10","1") = "9"
    & skf18("10","6","6","7","7","1","1") = "9"
    & skf18("10","6","6","7","7","2","1") = "9"
    & skf18("10","6","6","7","7","3","1") = "9"
    & skf18("10","6","6","7","7","4","1") = "9"
    & skf18("10","6","6","7","7","5","1") = "9"
    & skf18("10","6","6","7","7","6","1") = "9"
    & skf18("10","6","6","7","7","7","1") = "9"
    & skf18("10","6","6","7","7","8","1") = "9"
    & skf18("10","6","6","7","7","9","1") = "9"
    & skf18("10","6","6","7","7","10","1") = "9"
    & skf18("10","6","6","7","8","1","1") = "9"
    & skf18("10","6","6","7","8","2","1") = "9"
    & skf18("10","6","6","7","8","3","1") = "9"
    & skf18("10","6","6","7","8","4","1") = "9"
    & skf18("10","6","6","7","8","5","1") = "9"
    & skf18("10","6","6","7","8","6","1") = "9"
    & skf18("10","6","6","7","8","7","1") = "9"
    & skf18("10","6","6","7","8","8","1") = "9"
    & skf18("10","6","6","7","8","9","1") = "9"
    & skf18("10","6","6","7","8","10","1") = "9"
    & skf18("10","6","6","7","9","1","1") = "9"
    & skf18("10","6","6","7","9","2","1") = "9"
    & skf18("10","6","6","7","9","3","1") = "9"
    & skf18("10","6","6","7","9","4","1") = "9"
    & skf18("10","6","6","7","9","5","1") = "9"
    & skf18("10","6","6","7","9","6","1") = "9"
    & skf18("10","6","6","7","9","7","1") = "9"
    & skf18("10","6","6","7","9","8","1") = "9"
    & skf18("10","6","6","7","9","9","1") = "9"
    & skf18("10","6","6","7","9","10","1") = "9"
    & skf18("10","6","6","7","10","1","1") = "9"
    & skf18("10","6","6","7","10","2","1") = "9"
    & skf18("10","6","6","7","10","3","1") = "9"
    & skf18("10","6","6","7","10","4","1") = "9"
    & skf18("10","6","6","7","10","5","1") = "9"
    & skf18("10","6","6","7","10","6","1") = "9"
    & skf18("10","6","6","7","10","7","1") = "9"
    & skf18("10","6","6","7","10","8","1") = "9"
    & skf18("10","6","6","7","10","9","1") = "9"
    & skf18("10","6","6","7","10","10","1") = "9"
    & skf18("10","6","6","8","1","1","1") = "9"
    & skf18("10","6","6","8","1","2","1") = "9"
    & skf18("10","6","6","8","1","3","1") = "9"
    & skf18("10","6","6","8","1","4","1") = "9"
    & skf18("10","6","6","8","1","5","1") = "9"
    & skf18("10","6","6","8","1","6","1") = "9"
    & skf18("10","6","6","8","1","7","1") = "9"
    & skf18("10","6","6","8","1","8","1") = "9"
    & skf18("10","6","6","8","1","9","1") = "9"
    & skf18("10","6","6","8","1","10","1") = "9"
    & skf18("10","6","6","8","2","1","1") = "9"
    & skf18("10","6","6","8","2","2","1") = "9"
    & skf18("10","6","6","8","2","3","1") = "9"
    & skf18("10","6","6","8","2","4","1") = "9"
    & skf18("10","6","6","8","2","5","1") = "9"
    & skf18("10","6","6","8","2","6","1") = "9"
    & skf18("10","6","6","8","2","7","1") = "9"
    & skf18("10","6","6","8","2","8","1") = "9"
    & skf18("10","6","6","8","2","9","1") = "9"
    & skf18("10","6","6","8","2","10","1") = "9"
    & skf18("10","6","6","8","3","1","1") = "9"
    & skf18("10","6","6","8","3","2","1") = "9"
    & skf18("10","6","6","8","3","3","1") = "9"
    & skf18("10","6","6","8","3","4","1") = "9"
    & skf18("10","6","6","8","3","5","1") = "9"
    & skf18("10","6","6","8","3","6","1") = "9"
    & skf18("10","6","6","8","3","7","1") = "9"
    & skf18("10","6","6","8","3","8","1") = "9"
    & skf18("10","6","6","8","3","9","1") = "9"
    & skf18("10","6","6","8","3","10","1") = "9"
    & skf18("10","6","6","8","4","1","1") = "9"
    & skf18("10","6","6","8","4","2","1") = "9"
    & skf18("10","6","6","8","4","3","1") = "9"
    & skf18("10","6","6","8","4","4","1") = "9"
    & skf18("10","6","6","8","4","5","1") = "9"
    & skf18("10","6","6","8","4","6","1") = "9"
    & skf18("10","6","6","8","4","7","1") = "9"
    & skf18("10","6","6","8","4","8","1") = "9"
    & skf18("10","6","6","8","4","9","1") = "9"
    & skf18("10","6","6","8","4","10","1") = "9"
    & skf18("10","6","6","8","5","1","1") = "9"
    & skf18("10","6","6","8","5","2","1") = "9"
    & skf18("10","6","6","8","5","3","1") = "9"
    & skf18("10","6","6","8","5","4","1") = "9"
    & skf18("10","6","6","8","5","5","1") = "9"
    & skf18("10","6","6","8","5","6","1") = "9"
    & skf18("10","6","6","8","5","7","1") = "9"
    & skf18("10","6","6","8","5","8","1") = "9"
    & skf18("10","6","6","8","5","9","1") = "9"
    & skf18("10","6","6","8","5","10","1") = "9"
    & skf18("10","6","6","8","6","1","1") = "9"
    & skf18("10","6","6","8","6","2","1") = "9"
    & skf18("10","6","6","8","6","3","1") = "9"
    & skf18("10","6","6","8","6","4","1") = "9"
    & skf18("10","6","6","8","6","5","1") = "9"
    & skf18("10","6","6","8","6","6","1") = "9"
    & skf18("10","6","6","8","6","7","1") = "9"
    & skf18("10","6","6","8","6","8","1") = "9"
    & skf18("10","6","6","8","6","9","1") = "9"
    & skf18("10","6","6","8","6","10","1") = "9"
    & skf18("10","6","6","8","7","1","1") = "9"
    & skf18("10","6","6","8","7","2","1") = "9"
    & skf18("10","6","6","8","7","3","1") = "9"
    & skf18("10","6","6","8","7","4","1") = "9"
    & skf18("10","6","6","8","7","5","1") = "9"
    & skf18("10","6","6","8","7","6","1") = "9"
    & skf18("10","6","6","8","7","7","1") = "9"
    & skf18("10","6","6","8","7","8","1") = "9"
    & skf18("10","6","6","8","7","9","1") = "9"
    & skf18("10","6","6","8","7","10","1") = "9"
    & skf18("10","6","6","8","8","1","1") = "9"
    & skf18("10","6","6","8","8","2","1") = "9"
    & skf18("10","6","6","8","8","3","1") = "9"
    & skf18("10","6","6","8","8","4","1") = "9"
    & skf18("10","6","6","8","8","5","1") = "9"
    & skf18("10","6","6","8","8","6","1") = "9"
    & skf18("10","6","6","8","8","7","1") = "9"
    & skf18("10","6","6","8","8","8","1") = "9"
    & skf18("10","6","6","8","8","9","1") = "9"
    & skf18("10","6","6","8","8","10","1") = "9"
    & skf18("10","6","6","8","9","1","1") = "9"
    & skf18("10","6","6","8","9","2","1") = "9"
    & skf18("10","6","6","8","9","3","1") = "9"
    & skf18("10","6","6","8","9","4","1") = "9"
    & skf18("10","6","6","8","9","5","1") = "9"
    & skf18("10","6","6","8","9","6","1") = "9"
    & skf18("10","6","6","8","9","7","1") = "9"
    & skf18("10","6","6","8","9","8","1") = "9"
    & skf18("10","6","6","8","9","9","1") = "9"
    & skf18("10","6","6","8","9","10","1") = "9"
    & skf18("10","6","6","8","10","1","1") = "9"
    & skf18("10","6","6","8","10","2","1") = "9"
    & skf18("10","6","6","8","10","3","1") = "9"
    & skf18("10","6","6","8","10","4","1") = "9"
    & skf18("10","6","6","8","10","5","1") = "9"
    & skf18("10","6","6","8","10","6","1") = "9"
    & skf18("10","6","6","8","10","7","1") = "9"
    & skf18("10","6","6","8","10","8","1") = "9"
    & skf18("10","6","6","8","10","9","1") = "9"
    & skf18("10","6","6","8","10","10","1") = "9"
    & skf18("10","6","6","9","1","1","1") = "9"
    & skf18("10","6","6","9","1","2","1") = "9"
    & skf18("10","6","6","9","1","3","1") = "9"
    & skf18("10","6","6","9","1","4","1") = "9"
    & skf18("10","6","6","9","1","5","1") = "9"
    & skf18("10","6","6","9","1","6","1") = "9"
    & skf18("10","6","6","9","1","7","1") = "9"
    & skf18("10","6","6","9","1","8","1") = "9"
    & skf18("10","6","6","9","1","9","1") = "9"
    & skf18("10","6","6","9","1","10","1") = "9"
    & skf18("10","6","6","9","2","1","1") = "9"
    & skf18("10","6","6","9","2","2","1") = "9"
    & skf18("10","6","6","9","2","3","1") = "9"
    & skf18("10","6","6","9","2","4","1") = "9"
    & skf18("10","6","6","9","2","5","1") = "9"
    & skf18("10","6","6","9","2","6","1") = "9"
    & skf18("10","6","6","9","2","7","1") = "9"
    & skf18("10","6","6","9","2","8","1") = "9"
    & skf18("10","6","6","9","2","9","1") = "9"
    & skf18("10","6","6","9","2","10","1") = "9"
    & skf18("10","6","6","9","3","1","1") = "9"
    & skf18("10","6","6","9","3","2","1") = "9"
    & skf18("10","6","6","9","3","3","1") = "9"
    & skf18("10","6","6","9","3","4","1") = "9"
    & skf18("10","6","6","9","3","5","1") = "9"
    & skf18("10","6","6","9","3","6","1") = "9"
    & skf18("10","6","6","9","3","7","1") = "9"
    & skf18("10","6","6","9","3","8","1") = "9"
    & skf18("10","6","6","9","3","9","1") = "9"
    & skf18("10","6","6","9","3","10","1") = "9"
    & skf18("10","6","6","9","4","1","1") = "9"
    & skf18("10","6","6","9","4","2","1") = "9"
    & skf18("10","6","6","9","4","3","1") = "9"
    & skf18("10","6","6","9","4","4","1") = "9"
    & skf18("10","6","6","9","4","5","1") = "9"
    & skf18("10","6","6","9","4","6","1") = "9"
    & skf18("10","6","6","9","4","7","1") = "9"
    & skf18("10","6","6","9","4","8","1") = "9"
    & skf18("10","6","6","9","4","9","1") = "9"
    & skf18("10","6","6","9","4","10","1") = "9"
    & skf18("10","6","6","9","5","1","1") = "9"
    & skf18("10","6","6","9","5","2","1") = "9"
    & skf18("10","6","6","9","5","3","1") = "9"
    & skf18("10","6","6","9","5","4","1") = "9"
    & skf18("10","6","6","9","5","5","1") = "9"
    & skf18("10","6","6","9","5","6","1") = "9"
    & skf18("10","6","6","9","5","7","1") = "9"
    & skf18("10","6","6","9","5","8","1") = "9"
    & skf18("10","6","6","9","5","9","1") = "9"
    & skf18("10","6","6","9","5","10","1") = "9"
    & skf18("10","6","6","9","6","1","1") = "9"
    & skf18("10","6","6","9","6","2","1") = "9"
    & skf18("10","6","6","9","6","3","1") = "9"
    & skf18("10","6","6","9","6","4","1") = "9"
    & skf18("10","6","6","9","6","5","1") = "9"
    & skf18("10","6","6","9","6","6","1") = "9"
    & skf18("10","6","6","9","6","7","1") = "9"
    & skf18("10","6","6","9","6","8","1") = "9"
    & skf18("10","6","6","9","6","9","1") = "9"
    & skf18("10","6","6","9","6","10","1") = "9"
    & skf18("10","6","6","9","7","1","1") = "9"
    & skf18("10","6","6","9","7","2","1") = "9"
    & skf18("10","6","6","9","7","3","1") = "9"
    & skf18("10","6","6","9","7","4","1") = "9"
    & skf18("10","6","6","9","7","5","1") = "9"
    & skf18("10","6","6","9","7","6","1") = "9"
    & skf18("10","6","6","9","7","7","1") = "9"
    & skf18("10","6","6","9","7","8","1") = "9"
    & skf18("10","6","6","9","7","9","1") = "9"
    & skf18("10","6","6","9","7","10","1") = "9"
    & skf18("10","6","6","9","8","1","1") = "9"
    & skf18("10","6","6","9","8","2","1") = "9"
    & skf18("10","6","6","9","8","3","1") = "9"
    & skf18("10","6","6","9","8","4","1") = "9"
    & skf18("10","6","6","9","8","5","1") = "9"
    & skf18("10","6","6","9","8","6","1") = "9"
    & skf18("10","6","6","9","8","7","1") = "9"
    & skf18("10","6","6","9","8","8","1") = "9"
    & skf18("10","6","6","9","8","9","1") = "9"
    & skf18("10","6","6","9","8","10","1") = "9"
    & skf18("10","6","6","9","9","1","1") = "9"
    & skf18("10","6","6","9","9","2","1") = "9"
    & skf18("10","6","6","9","9","3","1") = "9"
    & skf18("10","6","6","9","9","4","1") = "9"
    & skf18("10","6","6","9","9","5","1") = "9"
    & skf18("10","6","6","9","9","6","1") = "9"
    & skf18("10","6","6","9","9","7","1") = "9"
    & skf18("10","6","6","9","9","8","1") = "9"
    & skf18("10","6","6","9","9","9","1") = "9"
    & skf18("10","6","6","9","9","10","1") = "9"
    & skf18("10","6","6","9","10","1","1") = "9"
    & skf18("10","6","6","9","10","2","1") = "9"
    & skf18("10","6","6","9","10","3","1") = "9"
    & skf18("10","6","6","9","10","4","1") = "9"
    & skf18("10","6","6","9","10","5","1") = "9"
    & skf18("10","6","6","9","10","6","1") = "9"
    & skf18("10","6","6","9","10","7","1") = "9"
    & skf18("10","6","6","9","10","8","1") = "9"
    & skf18("10","6","6","9","10","9","1") = "9"
    & skf18("10","6","6","9","10","10","1") = "9"
    & skf18("10","6","6","10","1","1","1") = "9"
    & skf18("10","6","6","10","1","2","1") = "9"
    & skf18("10","6","6","10","1","3","1") = "9"
    & skf18("10","6","6","10","1","4","1") = "9"
    & skf18("10","6","6","10","1","5","1") = "9"
    & skf18("10","6","6","10","1","6","1") = "9"
    & skf18("10","6","6","10","1","7","1") = "9"
    & skf18("10","6","6","10","1","8","1") = "9"
    & skf18("10","6","6","10","1","9","1") = "9"
    & skf18("10","6","6","10","1","10","1") = "9"
    & skf18("10","6","6","10","2","1","1") = "9"
    & skf18("10","6","6","10","2","2","1") = "9"
    & skf18("10","6","6","10","2","3","1") = "9"
    & skf18("10","6","6","10","2","4","1") = "9"
    & skf18("10","6","6","10","2","5","1") = "9"
    & skf18("10","6","6","10","2","6","1") = "9"
    & skf18("10","6","6","10","2","7","1") = "9"
    & skf18("10","6","6","10","2","8","1") = "9"
    & skf18("10","6","6","10","2","9","1") = "9"
    & skf18("10","6","6","10","2","10","1") = "9"
    & skf18("10","6","6","10","3","1","1") = "9"
    & skf18("10","6","6","10","3","2","1") = "9"
    & skf18("10","6","6","10","3","3","1") = "9"
    & skf18("10","6","6","10","3","4","1") = "9"
    & skf18("10","6","6","10","3","5","1") = "9"
    & skf18("10","6","6","10","3","6","1") = "9"
    & skf18("10","6","6","10","3","7","1") = "9"
    & skf18("10","6","6","10","3","8","1") = "9"
    & skf18("10","6","6","10","3","9","1") = "9"
    & skf18("10","6","6","10","3","10","1") = "9"
    & skf18("10","6","6","10","4","1","1") = "9"
    & skf18("10","6","6","10","4","2","1") = "9"
    & skf18("10","6","6","10","4","3","1") = "9"
    & skf18("10","6","6","10","4","4","1") = "9"
    & skf18("10","6","6","10","4","5","1") = "9"
    & skf18("10","6","6","10","4","6","1") = "9"
    & skf18("10","6","6","10","4","7","1") = "9"
    & skf18("10","6","6","10","4","8","1") = "9"
    & skf18("10","6","6","10","4","9","1") = "9"
    & skf18("10","6","6","10","4","10","1") = "9"
    & skf18("10","6","6","10","5","1","1") = "9"
    & skf18("10","6","6","10","5","2","1") = "9"
    & skf18("10","6","6","10","5","3","1") = "9"
    & skf18("10","6","6","10","5","4","1") = "9"
    & skf18("10","6","6","10","5","5","1") = "9"
    & skf18("10","6","6","10","5","6","1") = "9"
    & skf18("10","6","6","10","5","7","1") = "9"
    & skf18("10","6","6","10","5","8","1") = "9"
    & skf18("10","6","6","10","5","9","1") = "9"
    & skf18("10","6","6","10","5","10","1") = "9"
    & skf18("10","6","6","10","6","1","1") = "9"
    & skf18("10","6","6","10","6","2","1") = "9"
    & skf18("10","6","6","10","6","3","1") = "9"
    & skf18("10","6","6","10","6","4","1") = "9"
    & skf18("10","6","6","10","6","5","1") = "9"
    & skf18("10","6","6","10","6","6","1") = "9"
    & skf18("10","6","6","10","6","7","1") = "9"
    & skf18("10","6","6","10","6","8","1") = "9"
    & skf18("10","6","6","10","6","9","1") = "9"
    & skf18("10","6","6","10","6","10","1") = "9"
    & skf18("10","6","6","10","7","1","1") = "9"
    & skf18("10","6","6","10","7","2","1") = "9"
    & skf18("10","6","6","10","7","3","1") = "9"
    & skf18("10","6","6","10","7","4","1") = "9"
    & skf18("10","6","6","10","7","5","1") = "9"
    & skf18("10","6","6","10","7","6","1") = "9"
    & skf18("10","6","6","10","7","7","1") = "9"
    & skf18("10","6","6","10","7","8","1") = "9"
    & skf18("10","6","6","10","7","9","1") = "9"
    & skf18("10","6","6","10","7","10","1") = "9"
    & skf18("10","6","6","10","8","1","1") = "9"
    & skf18("10","6","6","10","8","2","1") = "9"
    & skf18("10","6","6","10","8","3","1") = "9"
    & skf18("10","6","6","10","8","4","1") = "9"
    & skf18("10","6","6","10","8","5","1") = "9"
    & skf18("10","6","6","10","8","6","1") = "9"
    & skf18("10","6","6","10","8","7","1") = "9"
    & skf18("10","6","6","10","8","8","1") = "9"
    & skf18("10","6","6","10","8","9","1") = "9"
    & skf18("10","6","6","10","8","10","1") = "9"
    & skf18("10","6","6","10","9","1","1") = "9"
    & skf18("10","6","6","10","9","2","1") = "9"
    & skf18("10","6","6","10","9","3","1") = "9"
    & skf18("10","6","6","10","9","4","1") = "9"
    & skf18("10","6","6","10","9","5","1") = "9"
    & skf18("10","6","6","10","9","6","1") = "9"
    & skf18("10","6","6","10","9","7","1") = "9"
    & skf18("10","6","6","10","9","8","1") = "9"
    & skf18("10","6","6","10","9","9","1") = "9"
    & skf18("10","6","6","10","9","10","1") = "9"
    & skf18("10","6","6","10","10","1","1") = "9"
    & skf18("10","6","6","10","10","2","1") = "9"
    & skf18("10","6","6","10","10","3","1") = "9"
    & skf18("10","6","6","10","10","4","1") = "9"
    & skf18("10","6","6","10","10","5","1") = "9"
    & skf18("10","6","6","10","10","6","1") = "9"
    & skf18("10","6","6","10","10","7","1") = "9"
    & skf18("10","6","6","10","10","8","1") = "9"
    & skf18("10","6","6","10","10","9","1") = "9"
    & skf18("10","6","6","10","10","10","1") = "9"
    & skf18("10","6","7","1","1","1","1") = "9"
    & skf18("10","6","7","1","1","2","1") = "9"
    & skf18("10","6","7","1","1","3","1") = "9"
    & skf18("10","6","7","1","1","4","1") = "9"
    & skf18("10","6","7","1","1","5","1") = "9"
    & skf18("10","6","7","1","1","6","1") = "9"
    & skf18("10","6","7","1","1","7","1") = "9"
    & skf18("10","6","7","1","1","8","1") = "9"
    & skf18("10","6","7","1","1","9","1") = "9"
    & skf18("10","6","7","1","1","10","1") = "9"
    & skf18("10","6","7","1","2","1","1") = "9"
    & skf18("10","6","7","1","2","2","1") = "9"
    & skf18("10","6","7","1","2","3","1") = "9"
    & skf18("10","6","7","1","2","4","1") = "9"
    & skf18("10","6","7","1","2","5","1") = "9"
    & skf18("10","6","7","1","2","6","1") = "9"
    & skf18("10","6","7","1","2","7","1") = "9"
    & skf18("10","6","7","1","2","8","1") = "9"
    & skf18("10","6","7","1","2","9","1") = "9"
    & skf18("10","6","7","1","2","10","1") = "9"
    & skf18("10","6","7","1","3","1","1") = "9"
    & skf18("10","6","7","1","3","2","1") = "9"
    & skf18("10","6","7","1","3","3","1") = "9"
    & skf18("10","6","7","1","3","4","1") = "9"
    & skf18("10","6","7","1","3","5","1") = "9"
    & skf18("10","6","7","1","3","6","1") = "9"
    & skf18("10","6","7","1","3","7","1") = "9"
    & skf18("10","6","7","1","3","8","1") = "9"
    & skf18("10","6","7","1","3","9","1") = "9"
    & skf18("10","6","7","1","3","10","1") = "9"
    & skf18("10","6","7","1","4","1","1") = "9"
    & skf18("10","6","7","1","4","2","1") = "9"
    & skf18("10","6","7","1","4","3","1") = "9"
    & skf18("10","6","7","1","4","4","1") = "9"
    & skf18("10","6","7","1","4","5","1") = "9"
    & skf18("10","6","7","1","4","6","1") = "9"
    & skf18("10","6","7","1","4","7","1") = "9"
    & skf18("10","6","7","1","4","8","1") = "9"
    & skf18("10","6","7","1","4","9","1") = "9"
    & skf18("10","6","7","1","4","10","1") = "9"
    & skf18("10","6","7","1","5","1","1") = "9"
    & skf18("10","6","7","1","5","2","1") = "9"
    & skf18("10","6","7","1","5","3","1") = "9"
    & skf18("10","6","7","1","5","4","1") = "9"
    & skf18("10","6","7","1","5","5","1") = "9"
    & skf18("10","6","7","1","5","6","1") = "9"
    & skf18("10","6","7","1","5","7","1") = "9"
    & skf18("10","6","7","1","5","8","1") = "9"
    & skf18("10","6","7","1","5","9","1") = "9"
    & skf18("10","6","7","1","5","10","1") = "9"
    & skf18("10","6","7","1","6","1","1") = "9"
    & skf18("10","6","7","1","6","2","1") = "9"
    & skf18("10","6","7","1","6","3","1") = "9"
    & skf18("10","6","7","1","6","4","1") = "9"
    & skf18("10","6","7","1","6","5","1") = "9"
    & skf18("10","6","7","1","6","6","1") = "9"
    & skf18("10","6","7","1","6","7","1") = "9"
    & skf18("10","6","7","1","6","8","1") = "9"
    & skf18("10","6","7","1","6","9","1") = "9"
    & skf18("10","6","7","1","6","10","1") = "9"
    & skf18("10","6","7","1","7","1","1") = "9"
    & skf18("10","6","7","1","7","2","1") = "9"
    & skf18("10","6","7","1","7","3","1") = "9"
    & skf18("10","6","7","1","7","4","1") = "9"
    & skf18("10","6","7","1","7","5","1") = "9"
    & skf18("10","6","7","1","7","6","1") = "9"
    & skf18("10","6","7","1","7","7","1") = "9"
    & skf18("10","6","7","1","7","8","1") = "9"
    & skf18("10","6","7","1","7","9","1") = "9"
    & skf18("10","6","7","1","7","10","1") = "9"
    & skf18("10","6","7","1","8","1","1") = "9"
    & skf18("10","6","7","1","8","2","1") = "9"
    & skf18("10","6","7","1","8","3","1") = "9"
    & skf18("10","6","7","1","8","4","1") = "9"
    & skf18("10","6","7","1","8","5","1") = "9"
    & skf18("10","6","7","1","8","6","1") = "9"
    & skf18("10","6","7","1","8","7","1") = "9"
    & skf18("10","6","7","1","8","8","1") = "9"
    & skf18("10","6","7","1","8","9","1") = "9"
    & skf18("10","6","7","1","8","10","1") = "9"
    & skf18("10","6","7","1","9","1","1") = "9"
    & skf18("10","6","7","1","9","2","1") = "9"
    & skf18("10","6","7","1","9","3","1") = "9"
    & skf18("10","6","7","1","9","4","1") = "9"
    & skf18("10","6","7","1","9","5","1") = "9"
    & skf18("10","6","7","1","9","6","1") = "9"
    & skf18("10","6","7","1","9","7","1") = "9"
    & skf18("10","6","7","1","9","8","1") = "9"
    & skf18("10","6","7","1","9","9","1") = "9"
    & skf18("10","6","7","1","9","10","1") = "9"
    & skf18("10","6","7","1","10","1","1") = "9"
    & skf18("10","6","7","1","10","2","1") = "9"
    & skf18("10","6","7","1","10","3","1") = "9"
    & skf18("10","6","7","1","10","4","1") = "9"
    & skf18("10","6","7","1","10","5","1") = "9"
    & skf18("10","6","7","1","10","6","1") = "9"
    & skf18("10","6","7","1","10","7","1") = "9"
    & skf18("10","6","7","1","10","8","1") = "9"
    & skf18("10","6","7","1","10","9","1") = "9"
    & skf18("10","6","7","1","10","10","1") = "9"
    & skf18("10","6","7","2","1","1","1") = "9"
    & skf18("10","6","7","2","1","2","1") = "9"
    & skf18("10","6","7","2","1","3","1") = "9"
    & skf18("10","6","7","2","1","4","1") = "9"
    & skf18("10","6","7","2","1","5","1") = "9"
    & skf18("10","6","7","2","1","6","1") = "9"
    & skf18("10","6","7","2","1","7","1") = "9"
    & skf18("10","6","7","2","1","8","1") = "9"
    & skf18("10","6","7","2","1","9","1") = "9"
    & skf18("10","6","7","2","1","10","1") = "9"
    & skf18("10","6","7","2","2","1","1") = "9"
    & skf18("10","6","7","2","2","2","1") = "9"
    & skf18("10","6","7","2","2","3","1") = "9"
    & skf18("10","6","7","2","2","4","1") = "9"
    & skf18("10","6","7","2","2","5","1") = "9"
    & skf18("10","6","7","2","2","6","1") = "9"
    & skf18("10","6","7","2","2","7","1") = "9"
    & skf18("10","6","7","2","2","8","1") = "9"
    & skf18("10","6","7","2","2","9","1") = "9"
    & skf18("10","6","7","2","2","10","1") = "9"
    & skf18("10","6","7","2","3","1","1") = "9"
    & skf18("10","6","7","2","3","2","1") = "9"
    & skf18("10","6","7","2","3","3","1") = "9"
    & skf18("10","6","7","2","3","4","1") = "9"
    & skf18("10","6","7","2","3","5","1") = "9"
    & skf18("10","6","7","2","3","6","1") = "9"
    & skf18("10","6","7","2","3","7","1") = "9"
    & skf18("10","6","7","2","3","8","1") = "9"
    & skf18("10","6","7","2","3","9","1") = "9"
    & skf18("10","6","7","2","3","10","1") = "9"
    & skf18("10","6","7","2","4","1","1") = "9"
    & skf18("10","6","7","2","4","2","1") = "9"
    & skf18("10","6","7","2","4","3","1") = "9"
    & skf18("10","6","7","2","4","4","1") = "9"
    & skf18("10","6","7","2","4","5","1") = "9"
    & skf18("10","6","7","2","4","6","1") = "9"
    & skf18("10","6","7","2","4","7","1") = "9"
    & skf18("10","6","7","2","4","8","1") = "9"
    & skf18("10","6","7","2","4","9","1") = "9"
    & skf18("10","6","7","2","4","10","1") = "9"
    & skf18("10","6","7","2","5","1","1") = "9"
    & skf18("10","6","7","2","5","2","1") = "9"
    & skf18("10","6","7","2","5","3","1") = "9"
    & skf18("10","6","7","2","5","4","1") = "9"
    & skf18("10","6","7","2","5","5","1") = "9"
    & skf18("10","6","7","2","5","6","1") = "9"
    & skf18("10","6","7","2","5","7","1") = "9"
    & skf18("10","6","7","2","5","8","1") = "9"
    & skf18("10","6","7","2","5","9","1") = "9"
    & skf18("10","6","7","2","5","10","1") = "9"
    & skf18("10","6","7","2","6","1","1") = "9"
    & skf18("10","6","7","2","6","2","1") = "9"
    & skf18("10","6","7","2","6","3","1") = "9"
    & skf18("10","6","7","2","6","4","1") = "9"
    & skf18("10","6","7","2","6","5","1") = "9"
    & skf18("10","6","7","2","6","6","1") = "9"
    & skf18("10","6","7","2","6","7","1") = "9"
    & skf18("10","6","7","2","6","8","1") = "9"
    & skf18("10","6","7","2","6","9","1") = "9"
    & skf18("10","6","7","2","6","10","1") = "9"
    & skf18("10","6","7","2","7","1","1") = "9"
    & skf18("10","6","7","2","7","2","1") = "9"
    & skf18("10","6","7","2","7","3","1") = "9"
    & skf18("10","6","7","2","7","4","1") = "9"
    & skf18("10","6","7","2","7","5","1") = "9"
    & skf18("10","6","7","2","7","6","1") = "9"
    & skf18("10","6","7","2","7","7","1") = "9"
    & skf18("10","6","7","2","7","8","1") = "9"
    & skf18("10","6","7","2","7","9","1") = "9"
    & skf18("10","6","7","2","7","10","1") = "9"
    & skf18("10","6","7","2","8","1","1") = "9"
    & skf18("10","6","7","2","8","2","1") = "9"
    & skf18("10","6","7","2","8","3","1") = "9"
    & skf18("10","6","7","2","8","4","1") = "9"
    & skf18("10","6","7","2","8","5","1") = "9"
    & skf18("10","6","7","2","8","6","1") = "9"
    & skf18("10","6","7","2","8","7","1") = "9"
    & skf18("10","6","7","2","8","8","1") = "9"
    & skf18("10","6","7","2","8","9","1") = "9"
    & skf18("10","6","7","2","8","10","1") = "9"
    & skf18("10","6","7","2","9","1","1") = "9"
    & skf18("10","6","7","2","9","2","1") = "9"
    & skf18("10","6","7","2","9","3","1") = "9"
    & skf18("10","6","7","2","9","4","1") = "9"
    & skf18("10","6","7","2","9","5","1") = "9"
    & skf18("10","6","7","2","9","6","1") = "9"
    & skf18("10","6","7","2","9","7","1") = "9"
    & skf18("10","6","7","2","9","8","1") = "9"
    & skf18("10","6","7","2","9","9","1") = "9"
    & skf18("10","6","7","2","9","10","1") = "9"
    & skf18("10","6","7","2","10","1","1") = "9"
    & skf18("10","6","7","2","10","2","1") = "9"
    & skf18("10","6","7","2","10","3","1") = "9"
    & skf18("10","6","7","2","10","4","1") = "9"
    & skf18("10","6","7","2","10","5","1") = "9"
    & skf18("10","6","7","2","10","6","1") = "9"
    & skf18("10","6","7","2","10","7","1") = "9"
    & skf18("10","6","7","2","10","8","1") = "9"
    & skf18("10","6","7","2","10","9","1") = "9"
    & skf18("10","6","7","2","10","10","1") = "9"
    & skf18("10","6","7","3","1","1","1") = "9"
    & skf18("10","6","7","3","1","2","1") = "9"
    & skf18("10","6","7","3","1","3","1") = "9"
    & skf18("10","6","7","3","1","4","1") = "9"
    & skf18("10","6","7","3","1","5","1") = "9"
    & skf18("10","6","7","3","1","6","1") = "9"
    & skf18("10","6","7","3","1","7","1") = "9"
    & skf18("10","6","7","3","1","8","1") = "9"
    & skf18("10","6","7","3","1","9","1") = "9"
    & skf18("10","6","7","3","1","10","1") = "9"
    & skf18("10","6","7","3","2","1","1") = "9"
    & skf18("10","6","7","3","2","2","1") = "9"
    & skf18("10","6","7","3","2","3","1") = "9"
    & skf18("10","6","7","3","2","4","1") = "9"
    & skf18("10","6","7","3","2","5","1") = "9"
    & skf18("10","6","7","3","2","6","1") = "9"
    & skf18("10","6","7","3","2","7","1") = "9"
    & skf18("10","6","7","3","2","8","1") = "9"
    & skf18("10","6","7","3","2","9","1") = "9"
    & skf18("10","6","7","3","2","10","1") = "9"
    & skf18("10","6","7","3","3","1","1") = "9"
    & skf18("10","6","7","3","3","2","1") = "9"
    & skf18("10","6","7","3","3","3","1") = "9"
    & skf18("10","6","7","3","3","4","1") = "9"
    & skf18("10","6","7","3","3","5","1") = "9"
    & skf18("10","6","7","3","3","6","1") = "9"
    & skf18("10","6","7","3","3","7","1") = "9"
    & skf18("10","6","7","3","3","8","1") = "9"
    & skf18("10","6","7","3","3","9","1") = "9"
    & skf18("10","6","7","3","3","10","1") = "9"
    & skf18("10","6","7","3","4","1","1") = "9"
    & skf18("10","6","7","3","4","2","1") = "9"
    & skf18("10","6","7","3","4","3","1") = "9"
    & skf18("10","6","7","3","4","4","1") = "9"
    & skf18("10","6","7","3","4","5","1") = "9"
    & skf18("10","6","7","3","4","6","1") = "9"
    & skf18("10","6","7","3","4","7","1") = "9"
    & skf18("10","6","7","3","4","8","1") = "9"
    & skf18("10","6","7","3","4","9","1") = "9"
    & skf18("10","6","7","3","4","10","1") = "9"
    & skf18("10","6","7","3","5","1","1") = "9"
    & skf18("10","6","7","3","5","2","1") = "9"
    & skf18("10","6","7","3","5","3","1") = "9"
    & skf18("10","6","7","3","5","4","1") = "9"
    & skf18("10","6","7","3","5","5","1") = "9"
    & skf18("10","6","7","3","5","6","1") = "9"
    & skf18("10","6","7","3","5","7","1") = "9"
    & skf18("10","6","7","3","5","8","1") = "9"
    & skf18("10","6","7","3","5","9","1") = "9"
    & skf18("10","6","7","3","5","10","1") = "9"
    & skf18("10","6","7","3","6","1","1") = "9"
    & skf18("10","6","7","3","6","2","1") = "9"
    & skf18("10","6","7","3","6","3","1") = "9"
    & skf18("10","6","7","3","6","4","1") = "9"
    & skf18("10","6","7","3","6","5","1") = "9"
    & skf18("10","6","7","3","6","6","1") = "9"
    & skf18("10","6","7","3","6","7","1") = "9"
    & skf18("10","6","7","3","6","8","1") = "9"
    & skf18("10","6","7","3","6","9","1") = "9"
    & skf18("10","6","7","3","6","10","1") = "9"
    & skf18("10","6","7","3","7","1","1") = "9"
    & skf18("10","6","7","3","7","2","1") = "9"
    & skf18("10","6","7","3","7","3","1") = "9"
    & skf18("10","6","7","3","7","4","1") = "9"
    & skf18("10","6","7","3","7","5","1") = "9"
    & skf18("10","6","7","3","7","6","1") = "9"
    & skf18("10","6","7","3","7","7","1") = "9"
    & skf18("10","6","7","3","7","8","1") = "9"
    & skf18("10","6","7","3","7","9","1") = "9"
    & skf18("10","6","7","3","7","10","1") = "9"
    & skf18("10","6","7","3","8","1","1") = "9"
    & skf18("10","6","7","3","8","2","1") = "9"
    & skf18("10","6","7","3","8","3","1") = "9"
    & skf18("10","6","7","3","8","4","1") = "9"
    & skf18("10","6","7","3","8","5","1") = "9"
    & skf18("10","6","7","3","8","6","1") = "9"
    & skf18("10","6","7","3","8","7","1") = "9"
    & skf18("10","6","7","3","8","8","1") = "9"
    & skf18("10","6","7","3","8","9","1") = "9"
    & skf18("10","6","7","3","8","10","1") = "9"
    & skf18("10","6","7","3","9","1","1") = "9"
    & skf18("10","6","7","3","9","2","1") = "9"
    & skf18("10","6","7","3","9","3","1") = "9"
    & skf18("10","6","7","3","9","4","1") = "9"
    & skf18("10","6","7","3","9","5","1") = "9"
    & skf18("10","6","7","3","9","6","1") = "9"
    & skf18("10","6","7","3","9","7","1") = "9"
    & skf18("10","6","7","3","9","8","1") = "9"
    & skf18("10","6","7","3","9","9","1") = "9"
    & skf18("10","6","7","3","9","10","1") = "9"
    & skf18("10","6","7","3","10","1","1") = "9"
    & skf18("10","6","7","3","10","2","1") = "9"
    & skf18("10","6","7","3","10","3","1") = "9"
    & skf18("10","6","7","3","10","4","1") = "9"
    & skf18("10","6","7","3","10","5","1") = "9"
    & skf18("10","6","7","3","10","6","1") = "9"
    & skf18("10","6","7","3","10","7","1") = "9"
    & skf18("10","6","7","3","10","8","1") = "9"
    & skf18("10","6","7","3","10","9","1") = "9"
    & skf18("10","6","7","3","10","10","1") = "9"
    & skf18("10","6","7","4","1","1","1") = "9"
    & skf18("10","6","7","4","1","2","1") = "9"
    & skf18("10","6","7","4","1","3","1") = "9"
    & skf18("10","6","7","4","1","4","1") = "9"
    & skf18("10","6","7","4","1","5","1") = "9"
    & skf18("10","6","7","4","1","6","1") = "9"
    & skf18("10","6","7","4","1","7","1") = "9"
    & skf18("10","6","7","4","1","8","1") = "9"
    & skf18("10","6","7","4","1","9","1") = "9"
    & skf18("10","6","7","4","1","10","1") = "9"
    & skf18("10","6","7","4","2","1","1") = "9"
    & skf18("10","6","7","4","2","2","1") = "9"
    & skf18("10","6","7","4","2","3","1") = "9"
    & skf18("10","6","7","4","2","4","1") = "9"
    & skf18("10","6","7","4","2","5","1") = "9"
    & skf18("10","6","7","4","2","6","1") = "9"
    & skf18("10","6","7","4","2","7","1") = "9"
    & skf18("10","6","7","4","2","8","1") = "9"
    & skf18("10","6","7","4","2","9","1") = "9"
    & skf18("10","6","7","4","2","10","1") = "9"
    & skf18("10","6","7","4","3","1","1") = "9"
    & skf18("10","6","7","4","3","2","1") = "9"
    & skf18("10","6","7","4","3","3","1") = "9"
    & skf18("10","6","7","4","3","4","1") = "9"
    & skf18("10","6","7","4","3","5","1") = "9"
    & skf18("10","6","7","4","3","6","1") = "9"
    & skf18("10","6","7","4","3","7","1") = "9"
    & skf18("10","6","7","4","3","8","1") = "9"
    & skf18("10","6","7","4","3","9","1") = "9"
    & skf18("10","6","7","4","3","10","1") = "9"
    & skf18("10","6","7","4","4","1","1") = "9"
    & skf18("10","6","7","4","4","2","1") = "9"
    & skf18("10","6","7","4","4","3","1") = "9"
    & skf18("10","6","7","4","4","4","1") = "9"
    & skf18("10","6","7","4","4","5","1") = "9"
    & skf18("10","6","7","4","4","6","1") = "9"
    & skf18("10","6","7","4","4","7","1") = "9"
    & skf18("10","6","7","4","4","8","1") = "9"
    & skf18("10","6","7","4","4","9","1") = "9"
    & skf18("10","6","7","4","4","10","1") = "9"
    & skf18("10","6","7","4","5","1","1") = "9"
    & skf18("10","6","7","4","5","2","1") = "9"
    & skf18("10","6","7","4","5","3","1") = "9"
    & skf18("10","6","7","4","5","4","1") = "9"
    & skf18("10","6","7","4","5","5","1") = "9"
    & skf18("10","6","7","4","5","6","1") = "9"
    & skf18("10","6","7","4","5","7","1") = "9"
    & skf18("10","6","7","4","5","8","1") = "9"
    & skf18("10","6","7","4","5","9","1") = "9"
    & skf18("10","6","7","4","5","10","1") = "9"
    & skf18("10","6","7","4","6","1","1") = "9"
    & skf18("10","6","7","4","6","2","1") = "9"
    & skf18("10","6","7","4","6","3","1") = "9"
    & skf18("10","6","7","4","6","4","1") = "9"
    & skf18("10","6","7","4","6","5","1") = "9"
    & skf18("10","6","7","4","6","6","1") = "9"
    & skf18("10","6","7","4","6","7","1") = "9"
    & skf18("10","6","7","4","6","8","1") = "9"
    & skf18("10","6","7","4","6","9","1") = "9"
    & skf18("10","6","7","4","6","10","1") = "9"
    & skf18("10","6","7","4","7","1","1") = "9"
    & skf18("10","6","7","4","7","2","1") = "9"
    & skf18("10","6","7","4","7","3","1") = "9"
    & skf18("10","6","7","4","7","4","1") = "9"
    & skf18("10","6","7","4","7","5","1") = "9"
    & skf18("10","6","7","4","7","6","1") = "9"
    & skf18("10","6","7","4","7","7","1") = "9"
    & skf18("10","6","7","4","7","8","1") = "9"
    & skf18("10","6","7","4","7","9","1") = "9"
    & skf18("10","6","7","4","7","10","1") = "9"
    & skf18("10","6","7","4","8","1","1") = "9"
    & skf18("10","6","7","4","8","2","1") = "9"
    & skf18("10","6","7","4","8","3","1") = "9"
    & skf18("10","6","7","4","8","4","1") = "9"
    & skf18("10","6","7","4","8","5","1") = "9"
    & skf18("10","6","7","4","8","6","1") = "9"
    & skf18("10","6","7","4","8","7","1") = "9"
    & skf18("10","6","7","4","8","8","1") = "9"
    & skf18("10","6","7","4","8","9","1") = "9"
    & skf18("10","6","7","4","8","10","1") = "9"
    & skf18("10","6","7","4","9","1","1") = "9"
    & skf18("10","6","7","4","9","2","1") = "9"
    & skf18("10","6","7","4","9","3","1") = "9"
    & skf18("10","6","7","4","9","4","1") = "9"
    & skf18("10","6","7","4","9","5","1") = "9"
    & skf18("10","6","7","4","9","6","1") = "9"
    & skf18("10","6","7","4","9","7","1") = "9"
    & skf18("10","6","7","4","9","8","1") = "9"
    & skf18("10","6","7","4","9","9","1") = "9"
    & skf18("10","6","7","4","9","10","1") = "9"
    & skf18("10","6","7","4","10","1","1") = "9"
    & skf18("10","6","7","4","10","2","1") = "9"
    & skf18("10","6","7","4","10","3","1") = "9"
    & skf18("10","6","7","4","10","4","1") = "9"
    & skf18("10","6","7","4","10","5","1") = "9"
    & skf18("10","6","7","4","10","6","1") = "9"
    & skf18("10","6","7","4","10","7","1") = "9"
    & skf18("10","6","7","4","10","8","1") = "9"
    & skf18("10","6","7","4","10","9","1") = "9"
    & skf18("10","6","7","4","10","10","1") = "9"
    & skf18("10","6","7","5","1","1","1") = "9"
    & skf18("10","6","7","5","1","2","1") = "9"
    & skf18("10","6","7","5","1","3","1") = "9"
    & skf18("10","6","7","5","1","4","1") = "9"
    & skf18("10","6","7","5","1","5","1") = "9"
    & skf18("10","6","7","5","1","6","1") = "9"
    & skf18("10","6","7","5","1","7","1") = "9"
    & skf18("10","6","7","5","1","8","1") = "9"
    & skf18("10","6","7","5","1","9","1") = "9"
    & skf18("10","6","7","5","1","10","1") = "9"
    & skf18("10","6","7","5","2","1","1") = "9"
    & skf18("10","6","7","5","2","2","1") = "9"
    & skf18("10","6","7","5","2","3","1") = "9"
    & skf18("10","6","7","5","2","4","1") = "9"
    & skf18("10","6","7","5","2","5","1") = "9"
    & skf18("10","6","7","5","2","6","1") = "9"
    & skf18("10","6","7","5","2","7","1") = "9"
    & skf18("10","6","7","5","2","8","1") = "9"
    & skf18("10","6","7","5","2","9","1") = "9"
    & skf18("10","6","7","5","2","10","1") = "9"
    & skf18("10","6","7","5","3","1","1") = "9"
    & skf18("10","6","7","5","3","2","1") = "9"
    & skf18("10","6","7","5","3","3","1") = "9"
    & skf18("10","6","7","5","3","4","1") = "9"
    & skf18("10","6","7","5","3","5","1") = "9"
    & skf18("10","6","7","5","3","6","1") = "9"
    & skf18("10","6","7","5","3","7","1") = "9"
    & skf18("10","6","7","5","3","8","1") = "9"
    & skf18("10","6","7","5","3","9","1") = "9"
    & skf18("10","6","7","5","3","10","1") = "9"
    & skf18("10","6","7","5","4","1","1") = "9"
    & skf18("10","6","7","5","4","2","1") = "9"
    & skf18("10","6","7","5","4","3","1") = "9"
    & skf18("10","6","7","5","4","4","1") = "9"
    & skf18("10","6","7","5","4","5","1") = "9"
    & skf18("10","6","7","5","4","6","1") = "9"
    & skf18("10","6","7","5","4","7","1") = "9"
    & skf18("10","6","7","5","4","8","1") = "9"
    & skf18("10","6","7","5","4","9","1") = "9"
    & skf18("10","6","7","5","4","10","1") = "9"
    & skf18("10","6","7","5","5","1","1") = "9"
    & skf18("10","6","7","5","5","2","1") = "9"
    & skf18("10","6","7","5","5","3","1") = "9"
    & skf18("10","6","7","5","5","4","1") = "9"
    & skf18("10","6","7","5","5","5","1") = "9"
    & skf18("10","6","7","5","5","6","1") = "9"
    & skf18("10","6","7","5","5","7","1") = "9"
    & skf18("10","6","7","5","5","8","1") = "9"
    & skf18("10","6","7","5","5","9","1") = "9"
    & skf18("10","6","7","5","5","10","1") = "9"
    & skf18("10","6","7","5","6","1","1") = "9"
    & skf18("10","6","7","5","6","2","1") = "9"
    & skf18("10","6","7","5","6","3","1") = "9"
    & skf18("10","6","7","5","6","4","1") = "9"
    & skf18("10","6","7","5","6","5","1") = "9"
    & skf18("10","6","7","5","6","6","1") = "9"
    & skf18("10","6","7","5","6","7","1") = "9"
    & skf18("10","6","7","5","6","8","1") = "9"
    & skf18("10","6","7","5","6","9","1") = "9"
    & skf18("10","6","7","5","6","10","1") = "9"
    & skf18("10","6","7","5","7","1","1") = "9"
    & skf18("10","6","7","5","7","2","1") = "9"
    & skf18("10","6","7","5","7","3","1") = "9"
    & skf18("10","6","7","5","7","4","1") = "9"
    & skf18("10","6","7","5","7","5","1") = "9"
    & skf18("10","6","7","5","7","6","1") = "9"
    & skf18("10","6","7","5","7","7","1") = "9"
    & skf18("10","6","7","5","7","8","1") = "9"
    & skf18("10","6","7","5","7","9","1") = "9"
    & skf18("10","6","7","5","7","10","1") = "9"
    & skf18("10","6","7","5","8","1","1") = "9"
    & skf18("10","6","7","5","8","2","1") = "9"
    & skf18("10","6","7","5","8","3","1") = "9"
    & skf18("10","6","7","5","8","4","1") = "9"
    & skf18("10","6","7","5","8","5","1") = "9"
    & skf18("10","6","7","5","8","6","1") = "9"
    & skf18("10","6","7","5","8","7","1") = "9"
    & skf18("10","6","7","5","8","8","1") = "9"
    & skf18("10","6","7","5","8","9","1") = "9"
    & skf18("10","6","7","5","8","10","1") = "9"
    & skf18("10","6","7","5","9","1","1") = "9"
    & skf18("10","6","7","5","9","2","1") = "9"
    & skf18("10","6","7","5","9","3","1") = "9"
    & skf18("10","6","7","5","9","4","1") = "9"
    & skf18("10","6","7","5","9","5","1") = "9"
    & skf18("10","6","7","5","9","6","1") = "9"
    & skf18("10","6","7","5","9","7","1") = "9"
    & skf18("10","6","7","5","9","8","1") = "9"
    & skf18("10","6","7","5","9","9","1") = "9"
    & skf18("10","6","7","5","9","10","1") = "9"
    & skf18("10","6","7","5","10","1","1") = "9"
    & skf18("10","6","7","5","10","2","1") = "9"
    & skf18("10","6","7","5","10","3","1") = "9"
    & skf18("10","6","7","5","10","4","1") = "9"
    & skf18("10","6","7","5","10","5","1") = "9"
    & skf18("10","6","7","5","10","6","1") = "9"
    & skf18("10","6","7","5","10","7","1") = "9"
    & skf18("10","6","7","5","10","8","1") = "9"
    & skf18("10","6","7","5","10","9","1") = "9"
    & skf18("10","6","7","5","10","10","1") = "9"
    & skf18("10","6","7","6","1","1","1") = "9"
    & skf18("10","6","7","6","1","2","1") = "9"
    & skf18("10","6","7","6","1","3","1") = "9"
    & skf18("10","6","7","6","1","4","1") = "9"
    & skf18("10","6","7","6","1","5","1") = "9"
    & skf18("10","6","7","6","1","6","1") = "9"
    & skf18("10","6","7","6","1","7","1") = "9"
    & skf18("10","6","7","6","1","8","1") = "9"
    & skf18("10","6","7","6","1","9","1") = "9"
    & skf18("10","6","7","6","1","10","1") = "9"
    & skf18("10","6","7","6","2","1","1") = "9"
    & skf18("10","6","7","6","2","2","1") = "9"
    & skf18("10","6","7","6","2","3","1") = "9"
    & skf18("10","6","7","6","2","4","1") = "9"
    & skf18("10","6","7","6","2","5","1") = "9"
    & skf18("10","6","7","6","2","6","1") = "9"
    & skf18("10","6","7","6","2","7","1") = "9"
    & skf18("10","6","7","6","2","8","1") = "9"
    & skf18("10","6","7","6","2","9","1") = "9"
    & skf18("10","6","7","6","2","10","1") = "9"
    & skf18("10","6","7","6","3","1","1") = "9"
    & skf18("10","6","7","6","3","2","1") = "9"
    & skf18("10","6","7","6","3","3","1") = "9"
    & skf18("10","6","7","6","3","4","1") = "9"
    & skf18("10","6","7","6","3","5","1") = "9"
    & skf18("10","6","7","6","3","6","1") = "9"
    & skf18("10","6","7","6","3","7","1") = "9"
    & skf18("10","6","7","6","3","8","1") = "9"
    & skf18("10","6","7","6","3","9","1") = "9"
    & skf18("10","6","7","6","3","10","1") = "9"
    & skf18("10","6","7","6","4","1","1") = "9"
    & skf18("10","6","7","6","4","2","1") = "9"
    & skf18("10","6","7","6","4","3","1") = "9"
    & skf18("10","6","7","6","4","4","1") = "9"
    & skf18("10","6","7","6","4","5","1") = "9"
    & skf18("10","6","7","6","4","6","1") = "9"
    & skf18("10","6","7","6","4","7","1") = "9"
    & skf18("10","6","7","6","4","8","1") = "9"
    & skf18("10","6","7","6","4","9","1") = "9"
    & skf18("10","6","7","6","4","10","1") = "9"
    & skf18("10","6","7","6","5","1","1") = "9"
    & skf18("10","6","7","6","5","2","1") = "9"
    & skf18("10","6","7","6","5","3","1") = "9"
    & skf18("10","6","7","6","5","4","1") = "9"
    & skf18("10","6","7","6","5","5","1") = "9"
    & skf18("10","6","7","6","5","6","1") = "9"
    & skf18("10","6","7","6","5","7","1") = "9"
    & skf18("10","6","7","6","5","8","1") = "9"
    & skf18("10","6","7","6","5","9","1") = "9"
    & skf18("10","6","7","6","5","10","1") = "9"
    & skf18("10","6","7","6","6","1","1") = "9"
    & skf18("10","6","7","6","6","2","1") = "9"
    & skf18("10","6","7","6","6","3","1") = "9"
    & skf18("10","6","7","6","6","4","1") = "9"
    & skf18("10","6","7","6","6","5","1") = "9"
    & skf18("10","6","7","6","6","6","1") = "9"
    & skf18("10","6","7","6","6","7","1") = "9"
    & skf18("10","6","7","6","6","8","1") = "9"
    & skf18("10","6","7","6","6","9","1") = "9"
    & skf18("10","6","7","6","6","10","1") = "9"
    & skf18("10","6","7","6","7","1","1") = "9"
    & skf18("10","6","7","6","7","2","1") = "9"
    & skf18("10","6","7","6","7","3","1") = "9"
    & skf18("10","6","7","6","7","4","1") = "9"
    & skf18("10","6","7","6","7","5","1") = "9"
    & skf18("10","6","7","6","7","6","1") = "9"
    & skf18("10","6","7","6","7","7","1") = "9"
    & skf18("10","6","7","6","7","8","1") = "9"
    & skf18("10","6","7","6","7","9","1") = "9"
    & skf18("10","6","7","6","7","10","1") = "9"
    & skf18("10","6","7","6","8","1","1") = "9"
    & skf18("10","6","7","6","8","2","1") = "9"
    & skf18("10","6","7","6","8","3","1") = "9"
    & skf18("10","6","7","6","8","4","1") = "9"
    & skf18("10","6","7","6","8","5","1") = "9"
    & skf18("10","6","7","6","8","6","1") = "9"
    & skf18("10","6","7","6","8","7","1") = "9"
    & skf18("10","6","7","6","8","8","1") = "9"
    & skf18("10","6","7","6","8","9","1") = "9"
    & skf18("10","6","7","6","8","10","1") = "9"
    & skf18("10","6","7","6","9","1","1") = "9"
    & skf18("10","6","7","6","9","2","1") = "9"
    & skf18("10","6","7","6","9","3","1") = "9"
    & skf18("10","6","7","6","9","4","1") = "9"
    & skf18("10","6","7","6","9","5","1") = "9"
    & skf18("10","6","7","6","9","6","1") = "9"
    & skf18("10","6","7","6","9","7","1") = "9"
    & skf18("10","6","7","6","9","8","1") = "9"
    & skf18("10","6","7","6","9","9","1") = "9"
    & skf18("10","6","7","6","9","10","1") = "9"
    & skf18("10","6","7","6","10","1","1") = "9"
    & skf18("10","6","7","6","10","2","1") = "9"
    & skf18("10","6","7","6","10","3","1") = "9"
    & skf18("10","6","7","6","10","4","1") = "9"
    & skf18("10","6","7","6","10","5","1") = "9"
    & skf18("10","6","7","6","10","6","1") = "9"
    & skf18("10","6","7","6","10","7","1") = "9"
    & skf18("10","6","7","6","10","8","1") = "9"
    & skf18("10","6","7","6","10","9","1") = "9"
    & skf18("10","6","7","6","10","10","1") = "9"
    & skf18("10","6","7","7","1","1","1") = "9"
    & skf18("10","6","7","7","1","2","1") = "9"
    & skf18("10","6","7","7","1","3","1") = "9"
    & skf18("10","6","7","7","1","4","1") = "9"
    & skf18("10","6","7","7","1","5","1") = "9"
    & skf18("10","6","7","7","1","6","1") = "9"
    & skf18("10","6","7","7","1","7","1") = "9"
    & skf18("10","6","7","7","1","8","1") = "9"
    & skf18("10","6","7","7","1","9","1") = "9"
    & skf18("10","6","7","7","1","10","1") = "9"
    & skf18("10","6","7","7","2","1","1") = "9"
    & skf18("10","6","7","7","2","2","1") = "9"
    & skf18("10","6","7","7","2","3","1") = "9"
    & skf18("10","6","7","7","2","4","1") = "9"
    & skf18("10","6","7","7","2","5","1") = "9"
    & skf18("10","6","7","7","2","6","1") = "9"
    & skf18("10","6","7","7","2","7","1") = "9"
    & skf18("10","6","7","7","2","8","1") = "9"
    & skf18("10","6","7","7","2","9","1") = "9"
    & skf18("10","6","7","7","2","10","1") = "9"
    & skf18("10","6","7","7","3","1","1") = "9"
    & skf18("10","6","7","7","3","2","1") = "9"
    & skf18("10","6","7","7","3","3","1") = "9"
    & skf18("10","6","7","7","3","4","1") = "9"
    & skf18("10","6","7","7","3","5","1") = "9"
    & skf18("10","6","7","7","3","6","1") = "9"
    & skf18("10","6","7","7","3","7","1") = "9"
    & skf18("10","6","7","7","3","8","1") = "9"
    & skf18("10","6","7","7","3","9","1") = "9"
    & skf18("10","6","7","7","3","10","1") = "9"
    & skf18("10","6","7","7","4","1","1") = "9"
    & skf18("10","6","7","7","4","2","1") = "9"
    & skf18("10","6","7","7","4","3","1") = "9"
    & skf18("10","6","7","7","4","4","1") = "9"
    & skf18("10","6","7","7","4","5","1") = "9"
    & skf18("10","6","7","7","4","6","1") = "9"
    & skf18("10","6","7","7","4","7","1") = "9"
    & skf18("10","6","7","7","4","8","1") = "9"
    & skf18("10","6","7","7","4","9","1") = "9"
    & skf18("10","6","7","7","4","10","1") = "9"
    & skf18("10","6","7","7","5","1","1") = "9"
    & skf18("10","6","7","7","5","2","1") = "9"
    & skf18("10","6","7","7","5","3","1") = "9"
    & skf18("10","6","7","7","5","4","1") = "9"
    & skf18("10","6","7","7","5","5","1") = "9"
    & skf18("10","6","7","7","5","6","1") = "9"
    & skf18("10","6","7","7","5","7","1") = "9"
    & skf18("10","6","7","7","5","8","1") = "9"
    & skf18("10","6","7","7","5","9","1") = "9"
    & skf18("10","6","7","7","5","10","1") = "9"
    & skf18("10","6","7","7","6","1","1") = "9"
    & skf18("10","6","7","7","6","2","1") = "9"
    & skf18("10","6","7","7","6","3","1") = "9"
    & skf18("10","6","7","7","6","4","1") = "9"
    & skf18("10","6","7","7","6","5","1") = "9"
    & skf18("10","6","7","7","6","6","1") = "9"
    & skf18("10","6","7","7","6","7","1") = "9"
    & skf18("10","6","7","7","6","8","1") = "9"
    & skf18("10","6","7","7","6","9","1") = "9"
    & skf18("10","6","7","7","6","10","1") = "9"
    & skf18("10","6","7","7","7","1","1") = "9"
    & skf18("10","6","7","7","7","2","1") = "9"
    & skf18("10","6","7","7","7","3","1") = "9"
    & skf18("10","6","7","7","7","4","1") = "9"
    & skf18("10","6","7","7","7","5","1") = "9"
    & skf18("10","6","7","7","7","6","1") = "9"
    & skf18("10","6","7","7","7","7","1") = "9"
    & skf18("10","6","7","7","7","8","1") = "9"
    & skf18("10","6","7","7","7","9","1") = "9"
    & skf18("10","6","7","7","7","10","1") = "9"
    & skf18("10","6","7","7","8","1","1") = "9"
    & skf18("10","6","7","7","8","2","1") = "9"
    & skf18("10","6","7","7","8","3","1") = "9"
    & skf18("10","6","7","7","8","4","1") = "9"
    & skf18("10","6","7","7","8","5","1") = "9"
    & skf18("10","6","7","7","8","6","1") = "9"
    & skf18("10","6","7","7","8","7","1") = "9"
    & skf18("10","6","7","7","8","8","1") = "9"
    & skf18("10","6","7","7","8","9","1") = "9"
    & skf18("10","6","7","7","8","10","1") = "9"
    & skf18("10","6","7","7","9","1","1") = "9"
    & skf18("10","6","7","7","9","2","1") = "9"
    & skf18("10","6","7","7","9","3","1") = "9"
    & skf18("10","6","7","7","9","4","1") = "9"
    & skf18("10","6","7","7","9","5","1") = "9"
    & skf18("10","6","7","7","9","6","1") = "9"
    & skf18("10","6","7","7","9","7","1") = "9"
    & skf18("10","6","7","7","9","8","1") = "9"
    & skf18("10","6","7","7","9","9","1") = "9"
    & skf18("10","6","7","7","9","10","1") = "9"
    & skf18("10","6","7","7","10","1","1") = "9"
    & skf18("10","6","7","7","10","2","1") = "9"
    & skf18("10","6","7","7","10","3","1") = "9"
    & skf18("10","6","7","7","10","4","1") = "9"
    & skf18("10","6","7","7","10","5","1") = "9"
    & skf18("10","6","7","7","10","6","1") = "9"
    & skf18("10","6","7","7","10","7","1") = "9"
    & skf18("10","6","7","7","10","8","1") = "9"
    & skf18("10","6","7","7","10","9","1") = "9"
    & skf18("10","6","7","7","10","10","1") = "9"
    & skf18("10","6","7","8","1","1","1") = "9"
    & skf18("10","6","7","8","1","2","1") = "9"
    & skf18("10","6","7","8","1","3","1") = "9"
    & skf18("10","6","7","8","1","4","1") = "9"
    & skf18("10","6","7","8","1","5","1") = "9"
    & skf18("10","6","7","8","1","6","1") = "9"
    & skf18("10","6","7","8","1","7","1") = "9"
    & skf18("10","6","7","8","1","8","1") = "9"
    & skf18("10","6","7","8","1","9","1") = "9"
    & skf18("10","6","7","8","1","10","1") = "9"
    & skf18("10","6","7","8","2","1","1") = "9"
    & skf18("10","6","7","8","2","2","1") = "9"
    & skf18("10","6","7","8","2","3","1") = "9"
    & skf18("10","6","7","8","2","4","1") = "9"
    & skf18("10","6","7","8","2","5","1") = "9"
    & skf18("10","6","7","8","2","6","1") = "9"
    & skf18("10","6","7","8","2","7","1") = "9"
    & skf18("10","6","7","8","2","8","1") = "9"
    & skf18("10","6","7","8","2","9","1") = "9"
    & skf18("10","6","7","8","2","10","1") = "9"
    & skf18("10","6","7","8","3","1","1") = "9"
    & skf18("10","6","7","8","3","2","1") = "9"
    & skf18("10","6","7","8","3","3","1") = "9"
    & skf18("10","6","7","8","3","4","1") = "9"
    & skf18("10","6","7","8","3","5","1") = "9"
    & skf18("10","6","7","8","3","6","1") = "9"
    & skf18("10","6","7","8","3","7","1") = "9"
    & skf18("10","6","7","8","3","8","1") = "9"
    & skf18("10","6","7","8","3","9","1") = "9"
    & skf18("10","6","7","8","3","10","1") = "9"
    & skf18("10","6","7","8","4","1","1") = "9"
    & skf18("10","6","7","8","4","2","1") = "9"
    & skf18("10","6","7","8","4","3","1") = "9"
    & skf18("10","6","7","8","4","4","1") = "9"
    & skf18("10","6","7","8","4","5","1") = "9"
    & skf18("10","6","7","8","4","6","1") = "9"
    & skf18("10","6","7","8","4","7","1") = "9"
    & skf18("10","6","7","8","4","8","1") = "9"
    & skf18("10","6","7","8","4","9","1") = "9"
    & skf18("10","6","7","8","4","10","1") = "9"
    & skf18("10","6","7","8","5","1","1") = "9"
    & skf18("10","6","7","8","5","2","1") = "9"
    & skf18("10","6","7","8","5","3","1") = "9"
    & skf18("10","6","7","8","5","4","1") = "9"
    & skf18("10","6","7","8","5","5","1") = "9"
    & skf18("10","6","7","8","5","6","1") = "9"
    & skf18("10","6","7","8","5","7","1") = "9"
    & skf18("10","6","7","8","5","8","1") = "9"
    & skf18("10","6","7","8","5","9","1") = "9"
    & skf18("10","6","7","8","5","10","1") = "9"
    & skf18("10","6","7","8","6","1","1") = "9"
    & skf18("10","6","7","8","6","2","1") = "9"
    & skf18("10","6","7","8","6","3","1") = "9"
    & skf18("10","6","7","8","6","4","1") = "9"
    & skf18("10","6","7","8","6","5","1") = "9"
    & skf18("10","6","7","8","6","6","1") = "9"
    & skf18("10","6","7","8","6","7","1") = "9"
    & skf18("10","6","7","8","6","8","1") = "9"
    & skf18("10","6","7","8","6","9","1") = "9"
    & skf18("10","6","7","8","6","10","1") = "9"
    & skf18("10","6","7","8","7","1","1") = "9"
    & skf18("10","6","7","8","7","2","1") = "9"
    & skf18("10","6","7","8","7","3","1") = "9"
    & skf18("10","6","7","8","7","4","1") = "9"
    & skf18("10","6","7","8","7","5","1") = "9"
    & skf18("10","6","7","8","7","6","1") = "9"
    & skf18("10","6","7","8","7","7","1") = "9"
    & skf18("10","6","7","8","7","8","1") = "9"
    & skf18("10","6","7","8","7","9","1") = "9"
    & skf18("10","6","7","8","7","10","1") = "9"
    & skf18("10","6","7","8","8","1","1") = "9"
    & skf18("10","6","7","8","8","2","1") = "9"
    & skf18("10","6","7","8","8","3","1") = "9"
    & skf18("10","6","7","8","8","4","1") = "9"
    & skf18("10","6","7","8","8","5","1") = "9"
    & skf18("10","6","7","8","8","6","1") = "9"
    & skf18("10","6","7","8","8","7","1") = "9"
    & skf18("10","6","7","8","8","8","1") = "9"
    & skf18("10","6","7","8","8","9","1") = "9"
    & skf18("10","6","7","8","8","10","1") = "9"
    & skf18("10","6","7","8","9","1","1") = "9"
    & skf18("10","6","7","8","9","2","1") = "9"
    & skf18("10","6","7","8","9","3","1") = "9"
    & skf18("10","6","7","8","9","4","1") = "9"
    & skf18("10","6","7","8","9","5","1") = "9"
    & skf18("10","6","7","8","9","6","1") = "9"
    & skf18("10","6","7","8","9","7","1") = "9"
    & skf18("10","6","7","8","9","8","1") = "9"
    & skf18("10","6","7","8","9","9","1") = "9"
    & skf18("10","6","7","8","9","10","1") = "9"
    & skf18("10","6","7","8","10","1","1") = "9"
    & skf18("10","6","7","8","10","2","1") = "9"
    & skf18("10","6","7","8","10","3","1") = "9"
    & skf18("10","6","7","8","10","4","1") = "9"
    & skf18("10","6","7","8","10","5","1") = "9"
    & skf18("10","6","7","8","10","6","1") = "9"
    & skf18("10","6","7","8","10","7","1") = "9"
    & skf18("10","6","7","8","10","8","1") = "9"
    & skf18("10","6","7","8","10","9","1") = "9"
    & skf18("10","6","7","8","10","10","1") = "9"
    & skf18("10","6","7","9","1","1","1") = "9"
    & skf18("10","6","7","9","1","2","1") = "9"
    & skf18("10","6","7","9","1","3","1") = "9"
    & skf18("10","6","7","9","1","4","1") = "9"
    & skf18("10","6","7","9","1","5","1") = "9"
    & skf18("10","6","7","9","1","6","1") = "9"
    & skf18("10","6","7","9","1","7","1") = "9"
    & skf18("10","6","7","9","1","8","1") = "9"
    & skf18("10","6","7","9","1","9","1") = "9"
    & skf18("10","6","7","9","1","10","1") = "9"
    & skf18("10","6","7","9","2","1","1") = "9"
    & skf18("10","6","7","9","2","2","1") = "9"
    & skf18("10","6","7","9","2","3","1") = "9"
    & skf18("10","6","7","9","2","4","1") = "9"
    & skf18("10","6","7","9","2","5","1") = "9"
    & skf18("10","6","7","9","2","6","1") = "9"
    & skf18("10","6","7","9","2","7","1") = "9"
    & skf18("10","6","7","9","2","8","1") = "9"
    & skf18("10","6","7","9","2","9","1") = "9"
    & skf18("10","6","7","9","2","10","1") = "9"
    & skf18("10","6","7","9","3","1","1") = "9"
    & skf18("10","6","7","9","3","2","1") = "9"
    & skf18("10","6","7","9","3","3","1") = "9"
    & skf18("10","6","7","9","3","4","1") = "9"
    & skf18("10","6","7","9","3","5","1") = "9"
    & skf18("10","6","7","9","3","6","1") = "9"
    & skf18("10","6","7","9","3","7","1") = "9"
    & skf18("10","6","7","9","3","8","1") = "9"
    & skf18("10","6","7","9","3","9","1") = "9"
    & skf18("10","6","7","9","3","10","1") = "9"
    & skf18("10","6","7","9","4","1","1") = "9"
    & skf18("10","6","7","9","4","2","1") = "9"
    & skf18("10","6","7","9","4","3","1") = "9"
    & skf18("10","6","7","9","4","4","1") = "9"
    & skf18("10","6","7","9","4","5","1") = "9"
    & skf18("10","6","7","9","4","6","1") = "9"
    & skf18("10","6","7","9","4","7","1") = "9"
    & skf18("10","6","7","9","4","8","1") = "9"
    & skf18("10","6","7","9","4","9","1") = "9"
    & skf18("10","6","7","9","4","10","1") = "9"
    & skf18("10","6","7","9","5","1","1") = "9"
    & skf18("10","6","7","9","5","2","1") = "9"
    & skf18("10","6","7","9","5","3","1") = "9"
    & skf18("10","6","7","9","5","4","1") = "9"
    & skf18("10","6","7","9","5","5","1") = "9"
    & skf18("10","6","7","9","5","6","1") = "9"
    & skf18("10","6","7","9","5","7","1") = "9"
    & skf18("10","6","7","9","5","8","1") = "9"
    & skf18("10","6","7","9","5","9","1") = "9"
    & skf18("10","6","7","9","5","10","1") = "9"
    & skf18("10","6","7","9","6","1","1") = "9"
    & skf18("10","6","7","9","6","2","1") = "9"
    & skf18("10","6","7","9","6","3","1") = "9"
    & skf18("10","6","7","9","6","4","1") = "9"
    & skf18("10","6","7","9","6","5","1") = "9"
    & skf18("10","6","7","9","6","6","1") = "9"
    & skf18("10","6","7","9","6","7","1") = "9"
    & skf18("10","6","7","9","6","8","1") = "9"
    & skf18("10","6","7","9","6","9","1") = "9"
    & skf18("10","6","7","9","6","10","1") = "9"
    & skf18("10","6","7","9","7","1","1") = "9"
    & skf18("10","6","7","9","7","2","1") = "9"
    & skf18("10","6","7","9","7","3","1") = "9"
    & skf18("10","6","7","9","7","4","1") = "9"
    & skf18("10","6","7","9","7","5","1") = "9"
    & skf18("10","6","7","9","7","6","1") = "9"
    & skf18("10","6","7","9","7","7","1") = "9"
    & skf18("10","6","7","9","7","8","1") = "9"
    & skf18("10","6","7","9","7","9","1") = "9"
    & skf18("10","6","7","9","7","10","1") = "9"
    & skf18("10","6","7","9","8","1","1") = "9"
    & skf18("10","6","7","9","8","2","1") = "9"
    & skf18("10","6","7","9","8","3","1") = "9"
    & skf18("10","6","7","9","8","4","1") = "9"
    & skf18("10","6","7","9","8","5","1") = "9"
    & skf18("10","6","7","9","8","6","1") = "9"
    & skf18("10","6","7","9","8","7","1") = "9"
    & skf18("10","6","7","9","8","8","1") = "9"
    & skf18("10","6","7","9","8","9","1") = "9"
    & skf18("10","6","7","9","8","10","1") = "9"
    & skf18("10","6","7","9","9","1","1") = "9"
    & skf18("10","6","7","9","9","2","1") = "9"
    & skf18("10","6","7","9","9","3","1") = "9"
    & skf18("10","6","7","9","9","4","1") = "9"
    & skf18("10","6","7","9","9","5","1") = "9"
    & skf18("10","6","7","9","9","6","1") = "9"
    & skf18("10","6","7","9","9","7","1") = "9"
    & skf18("10","6","7","9","9","8","1") = "9"
    & skf18("10","6","7","9","9","9","1") = "9"
    & skf18("10","6","7","9","9","10","1") = "9"
    & skf18("10","6","7","9","10","1","1") = "9"
    & skf18("10","6","7","9","10","2","1") = "9"
    & skf18("10","6","7","9","10","3","1") = "9"
    & skf18("10","6","7","9","10","4","1") = "9"
    & skf18("10","6","7","9","10","5","1") = "9"
    & skf18("10","6","7","9","10","6","1") = "9"
    & skf18("10","6","7","9","10","7","1") = "9"
    & skf18("10","6","7","9","10","8","1") = "9"
    & skf18("10","6","7","9","10","9","1") = "9"
    & skf18("10","6","7","9","10","10","1") = "9"
    & skf18("10","6","7","10","1","1","1") = "9"
    & skf18("10","6","7","10","1","2","1") = "9"
    & skf18("10","6","7","10","1","3","1") = "9"
    & skf18("10","6","7","10","1","4","1") = "9"
    & skf18("10","6","7","10","1","5","1") = "9"
    & skf18("10","6","7","10","1","6","1") = "9"
    & skf18("10","6","7","10","1","7","1") = "9"
    & skf18("10","6","7","10","1","8","1") = "9"
    & skf18("10","6","7","10","1","9","1") = "9"
    & skf18("10","6","7","10","1","10","1") = "9"
    & skf18("10","6","7","10","2","1","1") = "9"
    & skf18("10","6","7","10","2","2","1") = "9"
    & skf18("10","6","7","10","2","3","1") = "9"
    & skf18("10","6","7","10","2","4","1") = "9"
    & skf18("10","6","7","10","2","5","1") = "9"
    & skf18("10","6","7","10","2","6","1") = "9"
    & skf18("10","6","7","10","2","7","1") = "9"
    & skf18("10","6","7","10","2","8","1") = "9"
    & skf18("10","6","7","10","2","9","1") = "9"
    & skf18("10","6","7","10","2","10","1") = "9"
    & skf18("10","6","7","10","3","1","1") = "9"
    & skf18("10","6","7","10","3","2","1") = "9"
    & skf18("10","6","7","10","3","3","1") = "9"
    & skf18("10","6","7","10","3","4","1") = "9"
    & skf18("10","6","7","10","3","5","1") = "9"
    & skf18("10","6","7","10","3","6","1") = "9"
    & skf18("10","6","7","10","3","7","1") = "9"
    & skf18("10","6","7","10","3","8","1") = "9"
    & skf18("10","6","7","10","3","9","1") = "9"
    & skf18("10","6","7","10","3","10","1") = "9"
    & skf18("10","6","7","10","4","1","1") = "9"
    & skf18("10","6","7","10","4","2","1") = "9"
    & skf18("10","6","7","10","4","3","1") = "9"
    & skf18("10","6","7","10","4","4","1") = "9"
    & skf18("10","6","7","10","4","5","1") = "9"
    & skf18("10","6","7","10","4","6","1") = "9"
    & skf18("10","6","7","10","4","7","1") = "9"
    & skf18("10","6","7","10","4","8","1") = "9"
    & skf18("10","6","7","10","4","9","1") = "9"
    & skf18("10","6","7","10","4","10","1") = "9"
    & skf18("10","6","7","10","5","1","1") = "9"
    & skf18("10","6","7","10","5","2","1") = "9"
    & skf18("10","6","7","10","5","3","1") = "9"
    & skf18("10","6","7","10","5","4","1") = "9"
    & skf18("10","6","7","10","5","5","1") = "9"
    & skf18("10","6","7","10","5","6","1") = "9"
    & skf18("10","6","7","10","5","7","1") = "9"
    & skf18("10","6","7","10","5","8","1") = "9"
    & skf18("10","6","7","10","5","9","1") = "9"
    & skf18("10","6","7","10","5","10","1") = "9"
    & skf18("10","6","7","10","6","1","1") = "9"
    & skf18("10","6","7","10","6","2","1") = "9"
    & skf18("10","6","7","10","6","3","1") = "9"
    & skf18("10","6","7","10","6","4","1") = "9"
    & skf18("10","6","7","10","6","5","1") = "9"
    & skf18("10","6","7","10","6","6","1") = "9"
    & skf18("10","6","7","10","6","7","1") = "9"
    & skf18("10","6","7","10","6","8","1") = "9"
    & skf18("10","6","7","10","6","9","1") = "9"
    & skf18("10","6","7","10","6","10","1") = "9"
    & skf18("10","6","7","10","7","1","1") = "9"
    & skf18("10","6","7","10","7","2","1") = "9"
    & skf18("10","6","7","10","7","3","1") = "9"
    & skf18("10","6","7","10","7","4","1") = "9"
    & skf18("10","6","7","10","7","5","1") = "9"
    & skf18("10","6","7","10","7","6","1") = "9"
    & skf18("10","6","7","10","7","7","1") = "9"
    & skf18("10","6","7","10","7","8","1") = "9"
    & skf18("10","6","7","10","7","9","1") = "9"
    & skf18("10","6","7","10","7","10","1") = "9"
    & skf18("10","6","7","10","8","1","1") = "9"
    & skf18("10","6","7","10","8","2","1") = "9"
    & skf18("10","6","7","10","8","3","1") = "9"
    & skf18("10","6","7","10","8","4","1") = "9"
    & skf18("10","6","7","10","8","5","1") = "9"
    & skf18("10","6","7","10","8","6","1") = "9"
    & skf18("10","6","7","10","8","7","1") = "9"
    & skf18("10","6","7","10","8","8","1") = "9"
    & skf18("10","6","7","10","8","9","1") = "9"
    & skf18("10","6","7","10","8","10","1") = "9"
    & skf18("10","6","7","10","9","1","1") = "9"
    & skf18("10","6","7","10","9","2","1") = "9"
    & skf18("10","6","7","10","9","3","1") = "9"
    & skf18("10","6","7","10","9","4","1") = "9"
    & skf18("10","6","7","10","9","5","1") = "9"
    & skf18("10","6","7","10","9","6","1") = "9"
    & skf18("10","6","7","10","9","7","1") = "9"
    & skf18("10","6","7","10","9","8","1") = "9"
    & skf18("10","6","7","10","9","9","1") = "9"
    & skf18("10","6","7","10","9","10","1") = "9"
    & skf18("10","6","7","10","10","1","1") = "9"
    & skf18("10","6","7","10","10","2","1") = "9"
    & skf18("10","6","7","10","10","3","1") = "9"
    & skf18("10","6","7","10","10","4","1") = "9"
    & skf18("10","6","7","10","10","5","1") = "9"
    & skf18("10","6","7","10","10","6","1") = "9"
    & skf18("10","6","7","10","10","7","1") = "9"
    & skf18("10","6","7","10","10","8","1") = "9"
    & skf18("10","6","7","10","10","9","1") = "9"
    & skf18("10","6","7","10","10","10","1") = "9"
    & skf18("10","6","8","1","1","1","1") = "9"
    & skf18("10","6","8","1","1","2","1") = "9"
    & skf18("10","6","8","1","1","3","1") = "9"
    & skf18("10","6","8","1","1","4","1") = "9"
    & skf18("10","6","8","1","1","5","1") = "9"
    & skf18("10","6","8","1","1","6","1") = "9"
    & skf18("10","6","8","1","1","7","1") = "9"
    & skf18("10","6","8","1","1","8","1") = "9"
    & skf18("10","6","8","1","1","9","1") = "9"
    & skf18("10","6","8","1","1","10","1") = "9"
    & skf18("10","6","8","1","2","1","1") = "9"
    & skf18("10","6","8","1","2","2","1") = "9"
    & skf18("10","6","8","1","2","3","1") = "9"
    & skf18("10","6","8","1","2","4","1") = "9"
    & skf18("10","6","8","1","2","5","1") = "9"
    & skf18("10","6","8","1","2","6","1") = "9"
    & skf18("10","6","8","1","2","7","1") = "9"
    & skf18("10","6","8","1","2","8","1") = "9"
    & skf18("10","6","8","1","2","9","1") = "9"
    & skf18("10","6","8","1","2","10","1") = "9"
    & skf18("10","6","8","1","3","1","1") = "9"
    & skf18("10","6","8","1","3","2","1") = "9"
    & skf18("10","6","8","1","3","3","1") = "9"
    & skf18("10","6","8","1","3","4","1") = "9"
    & skf18("10","6","8","1","3","5","1") = "9"
    & skf18("10","6","8","1","3","6","1") = "9"
    & skf18("10","6","8","1","3","7","1") = "9"
    & skf18("10","6","8","1","3","8","1") = "9"
    & skf18("10","6","8","1","3","9","1") = "9"
    & skf18("10","6","8","1","3","10","1") = "9"
    & skf18("10","6","8","1","4","1","1") = "9"
    & skf18("10","6","8","1","4","2","1") = "9"
    & skf18("10","6","8","1","4","3","1") = "9"
    & skf18("10","6","8","1","4","4","1") = "9"
    & skf18("10","6","8","1","4","5","1") = "9"
    & skf18("10","6","8","1","4","6","1") = "9"
    & skf18("10","6","8","1","4","7","1") = "9"
    & skf18("10","6","8","1","4","8","1") = "9"
    & skf18("10","6","8","1","4","9","1") = "9"
    & skf18("10","6","8","1","4","10","1") = "9"
    & skf18("10","6","8","1","5","1","1") = "9"
    & skf18("10","6","8","1","5","2","1") = "9"
    & skf18("10","6","8","1","5","3","1") = "9"
    & skf18("10","6","8","1","5","4","1") = "9"
    & skf18("10","6","8","1","5","5","1") = "9"
    & skf18("10","6","8","1","5","6","1") = "9"
    & skf18("10","6","8","1","5","7","1") = "9"
    & skf18("10","6","8","1","5","8","1") = "9"
    & skf18("10","6","8","1","5","9","1") = "9"
    & skf18("10","6","8","1","5","10","1") = "9"
    & skf18("10","6","8","1","6","1","1") = "9"
    & skf18("10","6","8","1","6","2","1") = "9"
    & skf18("10","6","8","1","6","3","1") = "9"
    & skf18("10","6","8","1","6","4","1") = "9"
    & skf18("10","6","8","1","6","5","1") = "9"
    & skf18("10","6","8","1","6","6","1") = "9"
    & skf18("10","6","8","1","6","7","1") = "9"
    & skf18("10","6","8","1","6","8","1") = "9"
    & skf18("10","6","8","1","6","9","1") = "9"
    & skf18("10","6","8","1","6","10","1") = "9"
    & skf18("10","6","8","1","7","1","1") = "9"
    & skf18("10","6","8","1","7","2","1") = "9"
    & skf18("10","6","8","1","7","3","1") = "9"
    & skf18("10","6","8","1","7","4","1") = "9"
    & skf18("10","6","8","1","7","5","1") = "9"
    & skf18("10","6","8","1","7","6","1") = "9"
    & skf18("10","6","8","1","7","7","1") = "9"
    & skf18("10","6","8","1","7","8","1") = "9"
    & skf18("10","6","8","1","7","9","1") = "9"
    & skf18("10","6","8","1","7","10","1") = "9"
    & skf18("10","6","8","1","8","1","1") = "9"
    & skf18("10","6","8","1","8","2","1") = "9"
    & skf18("10","6","8","1","8","3","1") = "9"
    & skf18("10","6","8","1","8","4","1") = "9"
    & skf18("10","6","8","1","8","5","1") = "9"
    & skf18("10","6","8","1","8","6","1") = "9"
    & skf18("10","6","8","1","8","7","1") = "9"
    & skf18("10","6","8","1","8","8","1") = "9"
    & skf18("10","6","8","1","8","9","1") = "9"
    & skf18("10","6","8","1","8","10","1") = "9"
    & skf18("10","6","8","1","9","1","1") = "9"
    & skf18("10","6","8","1","9","2","1") = "9"
    & skf18("10","6","8","1","9","3","1") = "9"
    & skf18("10","6","8","1","9","4","1") = "9"
    & skf18("10","6","8","1","9","5","1") = "9"
    & skf18("10","6","8","1","9","6","1") = "9"
    & skf18("10","6","8","1","9","7","1") = "9"
    & skf18("10","6","8","1","9","8","1") = "9"
    & skf18("10","6","8","1","9","9","1") = "9"
    & skf18("10","6","8","1","9","10","1") = "9"
    & skf18("10","6","8","1","10","1","1") = "9"
    & skf18("10","6","8","1","10","2","1") = "9"
    & skf18("10","6","8","1","10","3","1") = "9"
    & skf18("10","6","8","1","10","4","1") = "9"
    & skf18("10","6","8","1","10","5","1") = "9"
    & skf18("10","6","8","1","10","6","1") = "9"
    & skf18("10","6","8","1","10","7","1") = "9"
    & skf18("10","6","8","1","10","8","1") = "9"
    & skf18("10","6","8","1","10","9","1") = "9"
    & skf18("10","6","8","1","10","10","1") = "9"
    & skf18("10","6","8","2","1","1","1") = "9"
    & skf18("10","6","8","2","1","2","1") = "9"
    & skf18("10","6","8","2","1","3","1") = "9"
    & skf18("10","6","8","2","1","4","1") = "9"
    & skf18("10","6","8","2","1","5","1") = "9"
    & skf18("10","6","8","2","1","6","1") = "9"
    & skf18("10","6","8","2","1","7","1") = "9"
    & skf18("10","6","8","2","1","8","1") = "9"
    & skf18("10","6","8","2","1","9","1") = "9"
    & skf18("10","6","8","2","1","10","1") = "9"
    & skf18("10","6","8","2","2","1","1") = "9"
    & skf18("10","6","8","2","2","2","1") = "9"
    & skf18("10","6","8","2","2","3","1") = "9"
    & skf18("10","6","8","2","2","4","1") = "9"
    & skf18("10","6","8","2","2","5","1") = "9"
    & skf18("10","6","8","2","2","6","1") = "9"
    & skf18("10","6","8","2","2","7","1") = "9"
    & skf18("10","6","8","2","2","8","1") = "9"
    & skf18("10","6","8","2","2","9","1") = "9"
    & skf18("10","6","8","2","2","10","1") = "9"
    & skf18("10","6","8","2","3","1","1") = "9"
    & skf18("10","6","8","2","3","2","1") = "9"
    & skf18("10","6","8","2","3","3","1") = "9"
    & skf18("10","6","8","2","3","4","1") = "9"
    & skf18("10","6","8","2","3","5","1") = "9"
    & skf18("10","6","8","2","3","6","1") = "9"
    & skf18("10","6","8","2","3","7","1") = "9"
    & skf18("10","6","8","2","3","8","1") = "9"
    & skf18("10","6","8","2","3","9","1") = "9"
    & skf18("10","6","8","2","3","10","1") = "9"
    & skf18("10","6","8","2","4","1","1") = "9"
    & skf18("10","6","8","2","4","2","1") = "9"
    & skf18("10","6","8","2","4","3","1") = "9"
    & skf18("10","6","8","2","4","4","1") = "9"
    & skf18("10","6","8","2","4","5","1") = "9"
    & skf18("10","6","8","2","4","6","1") = "9"
    & skf18("10","6","8","2","4","7","1") = "9"
    & skf18("10","6","8","2","4","8","1") = "9"
    & skf18("10","6","8","2","4","9","1") = "9"
    & skf18("10","6","8","2","4","10","1") = "9"
    & skf18("10","6","8","2","5","1","1") = "9"
    & skf18("10","6","8","2","5","2","1") = "9"
    & skf18("10","6","8","2","5","3","1") = "9"
    & skf18("10","6","8","2","5","4","1") = "9"
    & skf18("10","6","8","2","5","5","1") = "9"
    & skf18("10","6","8","2","5","6","1") = "9"
    & skf18("10","6","8","2","5","7","1") = "9"
    & skf18("10","6","8","2","5","8","1") = "9"
    & skf18("10","6","8","2","5","9","1") = "9"
    & skf18("10","6","8","2","5","10","1") = "9"
    & skf18("10","6","8","2","6","1","1") = "9"
    & skf18("10","6","8","2","6","2","1") = "9"
    & skf18("10","6","8","2","6","3","1") = "9"
    & skf18("10","6","8","2","6","4","1") = "9"
    & skf18("10","6","8","2","6","5","1") = "9"
    & skf18("10","6","8","2","6","6","1") = "9"
    & skf18("10","6","8","2","6","7","1") = "9"
    & skf18("10","6","8","2","6","8","1") = "9"
    & skf18("10","6","8","2","6","9","1") = "9"
    & skf18("10","6","8","2","6","10","1") = "9"
    & skf18("10","6","8","2","7","1","1") = "9"
    & skf18("10","6","8","2","7","2","1") = "9"
    & skf18("10","6","8","2","7","3","1") = "9"
    & skf18("10","6","8","2","7","4","1") = "9"
    & skf18("10","6","8","2","7","5","1") = "9"
    & skf18("10","6","8","2","7","6","1") = "9"
    & skf18("10","6","8","2","7","7","1") = "9"
    & skf18("10","6","8","2","7","8","1") = "9"
    & skf18("10","6","8","2","7","9","1") = "9"
    & skf18("10","6","8","2","7","10","1") = "9"
    & skf18("10","6","8","2","8","1","1") = "9"
    & skf18("10","6","8","2","8","2","1") = "9"
    & skf18("10","6","8","2","8","3","1") = "9"
    & skf18("10","6","8","2","8","4","1") = "9"
    & skf18("10","6","8","2","8","5","1") = "9"
    & skf18("10","6","8","2","8","6","1") = "9"
    & skf18("10","6","8","2","8","7","1") = "9"
    & skf18("10","6","8","2","8","8","1") = "9"
    & skf18("10","6","8","2","8","9","1") = "9"
    & skf18("10","6","8","2","8","10","1") = "9"
    & skf18("10","6","8","2","9","1","1") = "9"
    & skf18("10","6","8","2","9","2","1") = "9"
    & skf18("10","6","8","2","9","3","1") = "9"
    & skf18("10","6","8","2","9","4","1") = "9"
    & skf18("10","6","8","2","9","5","1") = "9"
    & skf18("10","6","8","2","9","6","1") = "9"
    & skf18("10","6","8","2","9","7","1") = "9"
    & skf18("10","6","8","2","9","8","1") = "9"
    & skf18("10","6","8","2","9","9","1") = "9"
    & skf18("10","6","8","2","9","10","1") = "9"
    & skf18("10","6","8","2","10","1","1") = "9"
    & skf18("10","6","8","2","10","2","1") = "9"
    & skf18("10","6","8","2","10","3","1") = "9"
    & skf18("10","6","8","2","10","4","1") = "9"
    & skf18("10","6","8","2","10","5","1") = "9"
    & skf18("10","6","8","2","10","6","1") = "9"
    & skf18("10","6","8","2","10","7","1") = "9"
    & skf18("10","6","8","2","10","8","1") = "9"
    & skf18("10","6","8","2","10","9","1") = "9"
    & skf18("10","6","8","2","10","10","1") = "9"
    & skf18("10","6","8","3","1","1","1") = "9"
    & skf18("10","6","8","3","1","2","1") = "9"
    & skf18("10","6","8","3","1","3","1") = "9"
    & skf18("10","6","8","3","1","4","1") = "9"
    & skf18("10","6","8","3","1","5","1") = "9"
    & skf18("10","6","8","3","1","6","1") = "9"
    & skf18("10","6","8","3","1","7","1") = "9"
    & skf18("10","6","8","3","1","8","1") = "9"
    & skf18("10","6","8","3","1","9","1") = "9"
    & skf18("10","6","8","3","1","10","1") = "9"
    & skf18("10","6","8","3","2","1","1") = "9"
    & skf18("10","6","8","3","2","2","1") = "9"
    & skf18("10","6","8","3","2","3","1") = "9"
    & skf18("10","6","8","3","2","4","1") = "9"
    & skf18("10","6","8","3","2","5","1") = "9"
    & skf18("10","6","8","3","2","6","1") = "9"
    & skf18("10","6","8","3","2","7","1") = "9"
    & skf18("10","6","8","3","2","8","1") = "9"
    & skf18("10","6","8","3","2","9","1") = "9"
    & skf18("10","6","8","3","2","10","1") = "9"
    & skf18("10","6","8","3","3","1","1") = "9"
    & skf18("10","6","8","3","3","2","1") = "9"
    & skf18("10","6","8","3","3","3","1") = "9"
    & skf18("10","6","8","3","3","4","1") = "9"
    & skf18("10","6","8","3","3","5","1") = "9"
    & skf18("10","6","8","3","3","6","1") = "9"
    & skf18("10","6","8","3","3","7","1") = "9"
    & skf18("10","6","8","3","3","8","1") = "9"
    & skf18("10","6","8","3","3","9","1") = "9"
    & skf18("10","6","8","3","3","10","1") = "9"
    & skf18("10","6","8","3","4","1","1") = "9"
    & skf18("10","6","8","3","4","2","1") = "9"
    & skf18("10","6","8","3","4","3","1") = "9"
    & skf18("10","6","8","3","4","4","1") = "9"
    & skf18("10","6","8","3","4","5","1") = "9"
    & skf18("10","6","8","3","4","6","1") = "9"
    & skf18("10","6","8","3","4","7","1") = "9"
    & skf18("10","6","8","3","4","8","1") = "9"
    & skf18("10","6","8","3","4","9","1") = "9"
    & skf18("10","6","8","3","4","10","1") = "9"
    & skf18("10","6","8","3","5","1","1") = "9"
    & skf18("10","6","8","3","5","2","1") = "9"
    & skf18("10","6","8","3","5","3","1") = "9"
    & skf18("10","6","8","3","5","4","1") = "9"
    & skf18("10","6","8","3","5","5","1") = "9"
    & skf18("10","6","8","3","5","6","1") = "9"
    & skf18("10","6","8","3","5","7","1") = "9"
    & skf18("10","6","8","3","5","8","1") = "9"
    & skf18("10","6","8","3","5","9","1") = "9"
    & skf18("10","6","8","3","5","10","1") = "9"
    & skf18("10","6","8","3","6","1","1") = "9"
    & skf18("10","6","8","3","6","2","1") = "9"
    & skf18("10","6","8","3","6","3","1") = "9"
    & skf18("10","6","8","3","6","4","1") = "9"
    & skf18("10","6","8","3","6","5","1") = "9"
    & skf18("10","6","8","3","6","6","1") = "9"
    & skf18("10","6","8","3","6","7","1") = "9"
    & skf18("10","6","8","3","6","8","1") = "9"
    & skf18("10","6","8","3","6","9","1") = "9"
    & skf18("10","6","8","3","6","10","1") = "9"
    & skf18("10","6","8","3","7","1","1") = "9"
    & skf18("10","6","8","3","7","2","1") = "9"
    & skf18("10","6","8","3","7","3","1") = "9"
    & skf18("10","6","8","3","7","4","1") = "9"
    & skf18("10","6","8","3","7","5","1") = "9"
    & skf18("10","6","8","3","7","6","1") = "9"
    & skf18("10","6","8","3","7","7","1") = "9"
    & skf18("10","6","8","3","7","8","1") = "9"
    & skf18("10","6","8","3","7","9","1") = "9"
    & skf18("10","6","8","3","7","10","1") = "9"
    & skf18("10","6","8","3","8","1","1") = "9"
    & skf18("10","6","8","3","8","2","1") = "9"
    & skf18("10","6","8","3","8","3","1") = "9"
    & skf18("10","6","8","3","8","4","1") = "9"
    & skf18("10","6","8","3","8","5","1") = "9"
    & skf18("10","6","8","3","8","6","1") = "9"
    & skf18("10","6","8","3","8","7","1") = "9"
    & skf18("10","6","8","3","8","8","1") = "9"
    & skf18("10","6","8","3","8","9","1") = "9"
    & skf18("10","6","8","3","8","10","1") = "9"
    & skf18("10","6","8","3","9","1","1") = "9"
    & skf18("10","6","8","3","9","2","1") = "9"
    & skf18("10","6","8","3","9","3","1") = "9"
    & skf18("10","6","8","3","9","4","1") = "9"
    & skf18("10","6","8","3","9","5","1") = "9"
    & skf18("10","6","8","3","9","6","1") = "9"
    & skf18("10","6","8","3","9","7","1") = "9"
    & skf18("10","6","8","3","9","8","1") = "9"
    & skf18("10","6","8","3","9","9","1") = "9"
    & skf18("10","6","8","3","9","10","1") = "9"
    & skf18("10","6","8","3","10","1","1") = "9"
    & skf18("10","6","8","3","10","2","1") = "9"
    & skf18("10","6","8","3","10","3","1") = "9"
    & skf18("10","6","8","3","10","4","1") = "9"
    & skf18("10","6","8","3","10","5","1") = "9"
    & skf18("10","6","8","3","10","6","1") = "9"
    & skf18("10","6","8","3","10","7","1") = "9"
    & skf18("10","6","8","3","10","8","1") = "9"
    & skf18("10","6","8","3","10","9","1") = "9"
    & skf18("10","6","8","3","10","10","1") = "9"
    & skf18("10","6","8","4","1","1","1") = "9"
    & skf18("10","6","8","4","1","2","1") = "9"
    & skf18("10","6","8","4","1","3","1") = "9"
    & skf18("10","6","8","4","1","4","1") = "9"
    & skf18("10","6","8","4","1","5","1") = "9"
    & skf18("10","6","8","4","1","6","1") = "9"
    & skf18("10","6","8","4","1","7","1") = "9"
    & skf18("10","6","8","4","1","8","1") = "9"
    & skf18("10","6","8","4","1","9","1") = "9"
    & skf18("10","6","8","4","1","10","1") = "9"
    & skf18("10","6","8","4","2","1","1") = "9"
    & skf18("10","6","8","4","2","2","1") = "9"
    & skf18("10","6","8","4","2","3","1") = "9"
    & skf18("10","6","8","4","2","4","1") = "9"
    & skf18("10","6","8","4","2","5","1") = "9"
    & skf18("10","6","8","4","2","6","1") = "9"
    & skf18("10","6","8","4","2","7","1") = "9"
    & skf18("10","6","8","4","2","8","1") = "9"
    & skf18("10","6","8","4","2","9","1") = "9"
    & skf18("10","6","8","4","2","10","1") = "9"
    & skf18("10","6","8","4","3","1","1") = "9"
    & skf18("10","6","8","4","3","2","1") = "9"
    & skf18("10","6","8","4","3","3","1") = "9"
    & skf18("10","6","8","4","3","4","1") = "9"
    & skf18("10","6","8","4","3","5","1") = "9"
    & skf18("10","6","8","4","3","6","1") = "9"
    & skf18("10","6","8","4","3","7","1") = "9"
    & skf18("10","6","8","4","3","8","1") = "9"
    & skf18("10","6","8","4","3","9","1") = "9"
    & skf18("10","6","8","4","3","10","1") = "9"
    & skf18("10","6","8","4","4","1","1") = "9"
    & skf18("10","6","8","4","4","2","1") = "9"
    & skf18("10","6","8","4","4","3","1") = "9"
    & skf18("10","6","8","4","4","4","1") = "9"
    & skf18("10","6","8","4","4","5","1") = "9"
    & skf18("10","6","8","4","4","6","1") = "9"
    & skf18("10","6","8","4","4","7","1") = "9"
    & skf18("10","6","8","4","4","8","1") = "9"
    & skf18("10","6","8","4","4","9","1") = "9"
    & skf18("10","6","8","4","4","10","1") = "9"
    & skf18("10","6","8","4","5","1","1") = "9"
    & skf18("10","6","8","4","5","2","1") = "9"
    & skf18("10","6","8","4","5","3","1") = "9"
    & skf18("10","6","8","4","5","4","1") = "9"
    & skf18("10","6","8","4","5","5","1") = "9"
    & skf18("10","6","8","4","5","6","1") = "9"
    & skf18("10","6","8","4","5","7","1") = "9"
    & skf18("10","6","8","4","5","8","1") = "9"
    & skf18("10","6","8","4","5","9","1") = "9"
    & skf18("10","6","8","4","5","10","1") = "9"
    & skf18("10","6","8","4","6","1","1") = "9"
    & skf18("10","6","8","4","6","2","1") = "9"
    & skf18("10","6","8","4","6","3","1") = "9"
    & skf18("10","6","8","4","6","4","1") = "9"
    & skf18("10","6","8","4","6","5","1") = "9"
    & skf18("10","6","8","4","6","6","1") = "9"
    & skf18("10","6","8","4","6","7","1") = "9"
    & skf18("10","6","8","4","6","8","1") = "9"
    & skf18("10","6","8","4","6","9","1") = "9"
    & skf18("10","6","8","4","6","10","1") = "9"
    & skf18("10","6","8","4","7","1","1") = "9"
    & skf18("10","6","8","4","7","2","1") = "9"
    & skf18("10","6","8","4","7","3","1") = "9"
    & skf18("10","6","8","4","7","4","1") = "9"
    & skf18("10","6","8","4","7","5","1") = "9"
    & skf18("10","6","8","4","7","6","1") = "9"
    & skf18("10","6","8","4","7","7","1") = "9"
    & skf18("10","6","8","4","7","8","1") = "9"
    & skf18("10","6","8","4","7","9","1") = "9"
    & skf18("10","6","8","4","7","10","1") = "9"
    & skf18("10","6","8","4","8","1","1") = "9"
    & skf18("10","6","8","4","8","2","1") = "9"
    & skf18("10","6","8","4","8","3","1") = "9"
    & skf18("10","6","8","4","8","4","1") = "9"
    & skf18("10","6","8","4","8","5","1") = "9"
    & skf18("10","6","8","4","8","6","1") = "9"
    & skf18("10","6","8","4","8","7","1") = "9"
    & skf18("10","6","8","4","8","8","1") = "9"
    & skf18("10","6","8","4","8","9","1") = "9"
    & skf18("10","6","8","4","8","10","1") = "9"
    & skf18("10","6","8","4","9","1","1") = "9"
    & skf18("10","6","8","4","9","2","1") = "9"
    & skf18("10","6","8","4","9","3","1") = "9"
    & skf18("10","6","8","4","9","4","1") = "9"
    & skf18("10","6","8","4","9","5","1") = "9"
    & skf18("10","6","8","4","9","6","1") = "9"
    & skf18("10","6","8","4","9","7","1") = "9"
    & skf18("10","6","8","4","9","8","1") = "9"
    & skf18("10","6","8","4","9","9","1") = "9"
    & skf18("10","6","8","4","9","10","1") = "9"
    & skf18("10","6","8","4","10","1","1") = "9"
    & skf18("10","6","8","4","10","2","1") = "9"
    & skf18("10","6","8","4","10","3","1") = "9"
    & skf18("10","6","8","4","10","4","1") = "9"
    & skf18("10","6","8","4","10","5","1") = "9"
    & skf18("10","6","8","4","10","6","1") = "9"
    & skf18("10","6","8","4","10","7","1") = "9"
    & skf18("10","6","8","4","10","8","1") = "9"
    & skf18("10","6","8","4","10","9","1") = "9"
    & skf18("10","6","8","4","10","10","1") = "9"
    & skf18("10","6","8","5","1","1","1") = "9"
    & skf18("10","6","8","5","1","2","1") = "9"
    & skf18("10","6","8","5","1","3","1") = "9"
    & skf18("10","6","8","5","1","4","1") = "9"
    & skf18("10","6","8","5","1","5","1") = "9"
    & skf18("10","6","8","5","1","6","1") = "9"
    & skf18("10","6","8","5","1","7","1") = "9"
    & skf18("10","6","8","5","1","8","1") = "9"
    & skf18("10","6","8","5","1","9","1") = "9"
    & skf18("10","6","8","5","1","10","1") = "9"
    & skf18("10","6","8","5","2","1","1") = "9"
    & skf18("10","6","8","5","2","2","1") = "9"
    & skf18("10","6","8","5","2","3","1") = "9"
    & skf18("10","6","8","5","2","4","1") = "9"
    & skf18("10","6","8","5","2","5","1") = "9"
    & skf18("10","6","8","5","2","6","1") = "9"
    & skf18("10","6","8","5","2","7","1") = "9"
    & skf18("10","6","8","5","2","8","1") = "9"
    & skf18("10","6","8","5","2","9","1") = "9"
    & skf18("10","6","8","5","2","10","1") = "9"
    & skf18("10","6","8","5","3","1","1") = "9"
    & skf18("10","6","8","5","3","2","1") = "9"
    & skf18("10","6","8","5","3","3","1") = "9"
    & skf18("10","6","8","5","3","4","1") = "9"
    & skf18("10","6","8","5","3","5","1") = "9"
    & skf18("10","6","8","5","3","6","1") = "9"
    & skf18("10","6","8","5","3","7","1") = "9"
    & skf18("10","6","8","5","3","8","1") = "9"
    & skf18("10","6","8","5","3","9","1") = "9"
    & skf18("10","6","8","5","3","10","1") = "9"
    & skf18("10","6","8","5","4","1","1") = "9"
    & skf18("10","6","8","5","4","2","1") = "9"
    & skf18("10","6","8","5","4","3","1") = "9"
    & skf18("10","6","8","5","4","4","1") = "9"
    & skf18("10","6","8","5","4","5","1") = "9"
    & skf18("10","6","8","5","4","6","1") = "9"
    & skf18("10","6","8","5","4","7","1") = "9"
    & skf18("10","6","8","5","4","8","1") = "9"
    & skf18("10","6","8","5","4","9","1") = "9"
    & skf18("10","6","8","5","4","10","1") = "9"
    & skf18("10","6","8","5","5","1","1") = "9"
    & skf18("10","6","8","5","5","2","1") = "9"
    & skf18("10","6","8","5","5","3","1") = "9"
    & skf18("10","6","8","5","5","4","1") = "9"
    & skf18("10","6","8","5","5","5","1") = "9"
    & skf18("10","6","8","5","5","6","1") = "9"
    & skf18("10","6","8","5","5","7","1") = "9"
    & skf18("10","6","8","5","5","8","1") = "9"
    & skf18("10","6","8","5","5","9","1") = "9"
    & skf18("10","6","8","5","5","10","1") = "9"
    & skf18("10","6","8","5","6","1","1") = "9"
    & skf18("10","6","8","5","6","2","1") = "9"
    & skf18("10","6","8","5","6","3","1") = "9"
    & skf18("10","6","8","5","6","4","1") = "9"
    & skf18("10","6","8","5","6","5","1") = "9"
    & skf18("10","6","8","5","6","6","1") = "9"
    & skf18("10","6","8","5","6","7","1") = "9"
    & skf18("10","6","8","5","6","8","1") = "9"
    & skf18("10","6","8","5","6","9","1") = "9"
    & skf18("10","6","8","5","6","10","1") = "9"
    & skf18("10","6","8","5","7","1","1") = "9"
    & skf18("10","6","8","5","7","2","1") = "9"
    & skf18("10","6","8","5","7","3","1") = "9"
    & skf18("10","6","8","5","7","4","1") = "9"
    & skf18("10","6","8","5","7","5","1") = "9"
    & skf18("10","6","8","5","7","6","1") = "9"
    & skf18("10","6","8","5","7","7","1") = "9"
    & skf18("10","6","8","5","7","8","1") = "9"
    & skf18("10","6","8","5","7","9","1") = "9"
    & skf18("10","6","8","5","7","10","1") = "9"
    & skf18("10","6","8","5","8","1","1") = "9"
    & skf18("10","6","8","5","8","2","1") = "9"
    & skf18("10","6","8","5","8","3","1") = "9"
    & skf18("10","6","8","5","8","4","1") = "9"
    & skf18("10","6","8","5","8","5","1") = "9"
    & skf18("10","6","8","5","8","6","1") = "9"
    & skf18("10","6","8","5","8","7","1") = "9"
    & skf18("10","6","8","5","8","8","1") = "9"
    & skf18("10","6","8","5","8","9","1") = "9"
    & skf18("10","6","8","5","8","10","1") = "9"
    & skf18("10","6","8","5","9","1","1") = "9"
    & skf18("10","6","8","5","9","2","1") = "9"
    & skf18("10","6","8","5","9","3","1") = "9"
    & skf18("10","6","8","5","9","4","1") = "9"
    & skf18("10","6","8","5","9","5","1") = "9"
    & skf18("10","6","8","5","9","6","1") = "9"
    & skf18("10","6","8","5","9","7","1") = "9"
    & skf18("10","6","8","5","9","8","1") = "9"
    & skf18("10","6","8","5","9","9","1") = "9"
    & skf18("10","6","8","5","9","10","1") = "9"
    & skf18("10","6","8","5","10","1","1") = "9"
    & skf18("10","6","8","5","10","2","1") = "9"
    & skf18("10","6","8","5","10","3","1") = "9"
    & skf18("10","6","8","5","10","4","1") = "9"
    & skf18("10","6","8","5","10","5","1") = "9"
    & skf18("10","6","8","5","10","6","1") = "9"
    & skf18("10","6","8","5","10","7","1") = "9"
    & skf18("10","6","8","5","10","8","1") = "9"
    & skf18("10","6","8","5","10","9","1") = "9"
    & skf18("10","6","8","5","10","10","1") = "9"
    & skf18("10","6","8","6","1","1","1") = "9"
    & skf18("10","6","8","6","1","2","1") = "9"
    & skf18("10","6","8","6","1","3","1") = "9"
    & skf18("10","6","8","6","1","4","1") = "9"
    & skf18("10","6","8","6","1","5","1") = "9"
    & skf18("10","6","8","6","1","6","1") = "9"
    & skf18("10","6","8","6","1","7","1") = "9"
    & skf18("10","6","8","6","1","8","1") = "9"
    & skf18("10","6","8","6","1","9","1") = "9"
    & skf18("10","6","8","6","1","10","1") = "9"
    & skf18("10","6","8","6","2","1","1") = "9"
    & skf18("10","6","8","6","2","2","1") = "9"
    & skf18("10","6","8","6","2","3","1") = "9"
    & skf18("10","6","8","6","2","4","1") = "9"
    & skf18("10","6","8","6","2","5","1") = "9"
    & skf18("10","6","8","6","2","6","1") = "9"
    & skf18("10","6","8","6","2","7","1") = "9"
    & skf18("10","6","8","6","2","8","1") = "9"
    & skf18("10","6","8","6","2","9","1") = "9"
    & skf18("10","6","8","6","2","10","1") = "9"
    & skf18("10","6","8","6","3","1","1") = "9"
    & skf18("10","6","8","6","3","2","1") = "9"
    & skf18("10","6","8","6","3","3","1") = "9"
    & skf18("10","6","8","6","3","4","1") = "9"
    & skf18("10","6","8","6","3","5","1") = "9"
    & skf18("10","6","8","6","3","6","1") = "9"
    & skf18("10","6","8","6","3","7","1") = "9"
    & skf18("10","6","8","6","3","8","1") = "9"
    & skf18("10","6","8","6","3","9","1") = "9"
    & skf18("10","6","8","6","3","10","1") = "9"
    & skf18("10","6","8","6","4","1","1") = "9"
    & skf18("10","6","8","6","4","2","1") = "9"
    & skf18("10","6","8","6","4","3","1") = "9"
    & skf18("10","6","8","6","4","4","1") = "9"
    & skf18("10","6","8","6","4","5","1") = "9"
    & skf18("10","6","8","6","4","6","1") = "9"
    & skf18("10","6","8","6","4","7","1") = "9"
    & skf18("10","6","8","6","4","8","1") = "9"
    & skf18("10","6","8","6","4","9","1") = "9"
    & skf18("10","6","8","6","4","10","1") = "9"
    & skf18("10","6","8","6","5","1","1") = "9"
    & skf18("10","6","8","6","5","2","1") = "9"
    & skf18("10","6","8","6","5","3","1") = "9"
    & skf18("10","6","8","6","5","4","1") = "9"
    & skf18("10","6","8","6","5","5","1") = "9"
    & skf18("10","6","8","6","5","6","1") = "9"
    & skf18("10","6","8","6","5","7","1") = "9"
    & skf18("10","6","8","6","5","8","1") = "9"
    & skf18("10","6","8","6","5","9","1") = "9"
    & skf18("10","6","8","6","5","10","1") = "9"
    & skf18("10","6","8","6","6","1","1") = "9"
    & skf18("10","6","8","6","6","2","1") = "9"
    & skf18("10","6","8","6","6","3","1") = "9"
    & skf18("10","6","8","6","6","4","1") = "9"
    & skf18("10","6","8","6","6","5","1") = "9"
    & skf18("10","6","8","6","6","6","1") = "9"
    & skf18("10","6","8","6","6","7","1") = "9"
    & skf18("10","6","8","6","6","8","1") = "9"
    & skf18("10","6","8","6","6","9","1") = "9"
    & skf18("10","6","8","6","6","10","1") = "9"
    & skf18("10","6","8","6","7","1","1") = "9"
    & skf18("10","6","8","6","7","2","1") = "9"
    & skf18("10","6","8","6","7","3","1") = "9"
    & skf18("10","6","8","6","7","4","1") = "9"
    & skf18("10","6","8","6","7","5","1") = "9"
    & skf18("10","6","8","6","7","6","1") = "9"
    & skf18("10","6","8","6","7","7","1") = "9"
    & skf18("10","6","8","6","7","8","1") = "9"
    & skf18("10","6","8","6","7","9","1") = "9"
    & skf18("10","6","8","6","7","10","1") = "9"
    & skf18("10","6","8","6","8","1","1") = "9"
    & skf18("10","6","8","6","8","2","1") = "9"
    & skf18("10","6","8","6","8","3","1") = "9"
    & skf18("10","6","8","6","8","4","1") = "9"
    & skf18("10","6","8","6","8","5","1") = "9"
    & skf18("10","6","8","6","8","6","1") = "9"
    & skf18("10","6","8","6","8","7","1") = "9"
    & skf18("10","6","8","6","8","8","1") = "9"
    & skf18("10","6","8","6","8","9","1") = "9"
    & skf18("10","6","8","6","8","10","1") = "9"
    & skf18("10","6","8","6","9","1","1") = "9"
    & skf18("10","6","8","6","9","2","1") = "9"
    & skf18("10","6","8","6","9","3","1") = "9"
    & skf18("10","6","8","6","9","4","1") = "9"
    & skf18("10","6","8","6","9","5","1") = "9"
    & skf18("10","6","8","6","9","6","1") = "9"
    & skf18("10","6","8","6","9","7","1") = "9"
    & skf18("10","6","8","6","9","8","1") = "9"
    & skf18("10","6","8","6","9","9","1") = "9"
    & skf18("10","6","8","6","9","10","1") = "9"
    & skf18("10","6","8","6","10","1","1") = "9"
    & skf18("10","6","8","6","10","2","1") = "9"
    & skf18("10","6","8","6","10","3","1") = "9"
    & skf18("10","6","8","6","10","4","1") = "9"
    & skf18("10","6","8","6","10","5","1") = "9"
    & skf18("10","6","8","6","10","6","1") = "9"
    & skf18("10","6","8","6","10","7","1") = "9"
    & skf18("10","6","8","6","10","8","1") = "9"
    & skf18("10","6","8","6","10","9","1") = "9"
    & skf18("10","6","8","6","10","10","1") = "9"
    & skf18("10","6","8","7","1","1","1") = "9"
    & skf18("10","6","8","7","1","2","1") = "9"
    & skf18("10","6","8","7","1","3","1") = "9"
    & skf18("10","6","8","7","1","4","1") = "9"
    & skf18("10","6","8","7","1","5","1") = "9"
    & skf18("10","6","8","7","1","6","1") = "9"
    & skf18("10","6","8","7","1","7","1") = "9"
    & skf18("10","6","8","7","1","8","1") = "9"
    & skf18("10","6","8","7","1","9","1") = "9"
    & skf18("10","6","8","7","1","10","1") = "9"
    & skf18("10","6","8","7","2","1","1") = "9"
    & skf18("10","6","8","7","2","2","1") = "9"
    & skf18("10","6","8","7","2","3","1") = "9"
    & skf18("10","6","8","7","2","4","1") = "9"
    & skf18("10","6","8","7","2","5","1") = "9"
    & skf18("10","6","8","7","2","6","1") = "9"
    & skf18("10","6","8","7","2","7","1") = "9"
    & skf18("10","6","8","7","2","8","1") = "9"
    & skf18("10","6","8","7","2","9","1") = "9"
    & skf18("10","6","8","7","2","10","1") = "9"
    & skf18("10","6","8","7","3","1","1") = "9"
    & skf18("10","6","8","7","3","2","1") = "9"
    & skf18("10","6","8","7","3","3","1") = "9"
    & skf18("10","6","8","7","3","4","1") = "9"
    & skf18("10","6","8","7","3","5","1") = "9"
    & skf18("10","6","8","7","3","6","1") = "9"
    & skf18("10","6","8","7","3","7","1") = "9"
    & skf18("10","6","8","7","3","8","1") = "9"
    & skf18("10","6","8","7","3","9","1") = "9"
    & skf18("10","6","8","7","3","10","1") = "9"
    & skf18("10","6","8","7","4","1","1") = "9"
    & skf18("10","6","8","7","4","2","1") = "9"
    & skf18("10","6","8","7","4","3","1") = "9"
    & skf18("10","6","8","7","4","4","1") = "9"
    & skf18("10","6","8","7","4","5","1") = "9"
    & skf18("10","6","8","7","4","6","1") = "9"
    & skf18("10","6","8","7","4","7","1") = "9"
    & skf18("10","6","8","7","4","8","1") = "9"
    & skf18("10","6","8","7","4","9","1") = "9"
    & skf18("10","6","8","7","4","10","1") = "9"
    & skf18("10","6","8","7","5","1","1") = "9"
    & skf18("10","6","8","7","5","2","1") = "9"
    & skf18("10","6","8","7","5","3","1") = "9"
    & skf18("10","6","8","7","5","4","1") = "9"
    & skf18("10","6","8","7","5","5","1") = "9"
    & skf18("10","6","8","7","5","6","1") = "9"
    & skf18("10","6","8","7","5","7","1") = "9"
    & skf18("10","6","8","7","5","8","1") = "9"
    & skf18("10","6","8","7","5","9","1") = "9"
    & skf18("10","6","8","7","5","10","1") = "9"
    & skf18("10","6","8","7","6","1","1") = "9"
    & skf18("10","6","8","7","6","2","1") = "9"
    & skf18("10","6","8","7","6","3","1") = "9"
    & skf18("10","6","8","7","6","4","1") = "9"
    & skf18("10","6","8","7","6","5","1") = "9"
    & skf18("10","6","8","7","6","6","1") = "9"
    & skf18("10","6","8","7","6","7","1") = "9"
    & skf18("10","6","8","7","6","8","1") = "9"
    & skf18("10","6","8","7","6","9","1") = "9"
    & skf18("10","6","8","7","6","10","1") = "9"
    & skf18("10","6","8","7","7","1","1") = "9"
    & skf18("10","6","8","7","7","2","1") = "9"
    & skf18("10","6","8","7","7","3","1") = "9"
    & skf18("10","6","8","7","7","4","1") = "9"
    & skf18("10","6","8","7","7","5","1") = "9"
    & skf18("10","6","8","7","7","6","1") = "9"
    & skf18("10","6","8","7","7","7","1") = "9"
    & skf18("10","6","8","7","7","8","1") = "9"
    & skf18("10","6","8","7","7","9","1") = "9"
    & skf18("10","6","8","7","7","10","1") = "9"
    & skf18("10","6","8","7","8","1","1") = "9"
    & skf18("10","6","8","7","8","2","1") = "9"
    & skf18("10","6","8","7","8","3","1") = "9"
    & skf18("10","6","8","7","8","4","1") = "9"
    & skf18("10","6","8","7","8","5","1") = "9"
    & skf18("10","6","8","7","8","6","1") = "9"
    & skf18("10","6","8","7","8","7","1") = "9"
    & skf18("10","6","8","7","8","8","1") = "9"
    & skf18("10","6","8","7","8","9","1") = "9"
    & skf18("10","6","8","7","8","10","1") = "9"
    & skf18("10","6","8","7","9","1","1") = "9"
    & skf18("10","6","8","7","9","2","1") = "9"
    & skf18("10","6","8","7","9","3","1") = "9"
    & skf18("10","6","8","7","9","4","1") = "9"
    & skf18("10","6","8","7","9","5","1") = "9"
    & skf18("10","6","8","7","9","6","1") = "9"
    & skf18("10","6","8","7","9","7","1") = "9"
    & skf18("10","6","8","7","9","8","1") = "9"
    & skf18("10","6","8","7","9","9","1") = "9"
    & skf18("10","6","8","7","9","10","1") = "9"
    & skf18("10","6","8","7","10","1","1") = "9"
    & skf18("10","6","8","7","10","2","1") = "9"
    & skf18("10","6","8","7","10","3","1") = "9"
    & skf18("10","6","8","7","10","4","1") = "9"
    & skf18("10","6","8","7","10","5","1") = "9"
    & skf18("10","6","8","7","10","6","1") = "9"
    & skf18("10","6","8","7","10","7","1") = "9"
    & skf18("10","6","8","7","10","8","1") = "9"
    & skf18("10","6","8","7","10","9","1") = "9"
    & skf18("10","6","8","7","10","10","1") = "9"
    & skf18("10","6","8","8","1","1","1") = "9"
    & skf18("10","6","8","8","1","2","1") = "9"
    & skf18("10","6","8","8","1","3","1") = "9"
    & skf18("10","6","8","8","1","4","1") = "9"
    & skf18("10","6","8","8","1","5","1") = "9"
    & skf18("10","6","8","8","1","6","1") = "9"
    & skf18("10","6","8","8","1","7","1") = "9"
    & skf18("10","6","8","8","1","8","1") = "9"
    & skf18("10","6","8","8","1","9","1") = "9"
    & skf18("10","6","8","8","1","10","1") = "9"
    & skf18("10","6","8","8","2","1","1") = "9"
    & skf18("10","6","8","8","2","2","1") = "9"
    & skf18("10","6","8","8","2","3","1") = "9"
    & skf18("10","6","8","8","2","4","1") = "9"
    & skf18("10","6","8","8","2","5","1") = "9"
    & skf18("10","6","8","8","2","6","1") = "9"
    & skf18("10","6","8","8","2","7","1") = "9"
    & skf18("10","6","8","8","2","8","1") = "9"
    & skf18("10","6","8","8","2","9","1") = "9"
    & skf18("10","6","8","8","2","10","1") = "9"
    & skf18("10","6","8","8","3","1","1") = "9"
    & skf18("10","6","8","8","3","2","1") = "9"
    & skf18("10","6","8","8","3","3","1") = "9"
    & skf18("10","6","8","8","3","4","1") = "9"
    & skf18("10","6","8","8","3","5","1") = "9"
    & skf18("10","6","8","8","3","6","1") = "9"
    & skf18("10","6","8","8","3","7","1") = "9"
    & skf18("10","6","8","8","3","8","1") = "9"
    & skf18("10","6","8","8","3","9","1") = "9"
    & skf18("10","6","8","8","3","10","1") = "9"
    & skf18("10","6","8","8","4","1","1") = "9"
    & skf18("10","6","8","8","4","2","1") = "9"
    & skf18("10","6","8","8","4","3","1") = "9"
    & skf18("10","6","8","8","4","4","1") = "9"
    & skf18("10","6","8","8","4","5","1") = "9"
    & skf18("10","6","8","8","4","6","1") = "9"
    & skf18("10","6","8","8","4","7","1") = "9"
    & skf18("10","6","8","8","4","8","1") = "9"
    & skf18("10","6","8","8","4","9","1") = "9"
    & skf18("10","6","8","8","4","10","1") = "9"
    & skf18("10","6","8","8","5","1","1") = "9"
    & skf18("10","6","8","8","5","2","1") = "9"
    & skf18("10","6","8","8","5","3","1") = "9"
    & skf18("10","6","8","8","5","4","1") = "9"
    & skf18("10","6","8","8","5","5","1") = "9"
    & skf18("10","6","8","8","5","6","1") = "9"
    & skf18("10","6","8","8","5","7","1") = "9"
    & skf18("10","6","8","8","5","8","1") = "9"
    & skf18("10","6","8","8","5","9","1") = "9"
    & skf18("10","6","8","8","5","10","1") = "9"
    & skf18("10","6","8","8","6","1","1") = "9"
    & skf18("10","6","8","8","6","2","1") = "9"
    & skf18("10","6","8","8","6","3","1") = "9"
    & skf18("10","6","8","8","6","4","1") = "9"
    & skf18("10","6","8","8","6","5","1") = "9"
    & skf18("10","6","8","8","6","6","1") = "9"
    & skf18("10","6","8","8","6","7","1") = "9"
    & skf18("10","6","8","8","6","8","1") = "9"
    & skf18("10","6","8","8","6","9","1") = "9"
    & skf18("10","6","8","8","6","10","1") = "9"
    & skf18("10","6","8","8","7","1","1") = "9"
    & skf18("10","6","8","8","7","2","1") = "9"
    & skf18("10","6","8","8","7","3","1") = "9"
    & skf18("10","6","8","8","7","4","1") = "9"
    & skf18("10","6","8","8","7","5","1") = "9"
    & skf18("10","6","8","8","7","6","1") = "9"
    & skf18("10","6","8","8","7","7","1") = "9"
    & skf18("10","6","8","8","7","8","1") = "9"
    & skf18("10","6","8","8","7","9","1") = "9"
    & skf18("10","6","8","8","7","10","1") = "9"
    & skf18("10","6","8","8","8","1","1") = "9"
    & skf18("10","6","8","8","8","2","1") = "9"
    & skf18("10","6","8","8","8","3","1") = "9"
    & skf18("10","6","8","8","8","4","1") = "9"
    & skf18("10","6","8","8","8","5","1") = "9"
    & skf18("10","6","8","8","8","6","1") = "9"
    & skf18("10","6","8","8","8","7","1") = "9"
    & skf18("10","6","8","8","8","8","1") = "9"
    & skf18("10","6","8","8","8","9","1") = "9"
    & skf18("10","6","8","8","8","10","1") = "9"
    & skf18("10","6","8","8","9","1","1") = "9"
    & skf18("10","6","8","8","9","2","1") = "9"
    & skf18("10","6","8","8","9","3","1") = "9"
    & skf18("10","6","8","8","9","4","1") = "9"
    & skf18("10","6","8","8","9","5","1") = "9"
    & skf18("10","6","8","8","9","6","1") = "9"
    & skf18("10","6","8","8","9","7","1") = "9"
    & skf18("10","6","8","8","9","8","1") = "9"
    & skf18("10","6","8","8","9","9","1") = "9"
    & skf18("10","6","8","8","9","10","1") = "9"
    & skf18("10","6","8","8","10","1","1") = "9"
    & skf18("10","6","8","8","10","2","1") = "9"
    & skf18("10","6","8","8","10","3","1") = "9"
    & skf18("10","6","8","8","10","4","1") = "9"
    & skf18("10","6","8","8","10","5","1") = "9"
    & skf18("10","6","8","8","10","6","1") = "9"
    & skf18("10","6","8","8","10","7","1") = "9"
    & skf18("10","6","8","8","10","8","1") = "9"
    & skf18("10","6","8","8","10","9","1") = "9"
    & skf18("10","6","8","8","10","10","1") = "9"
    & skf18("10","6","8","9","1","1","1") = "9"
    & skf18("10","6","8","9","1","2","1") = "9"
    & skf18("10","6","8","9","1","3","1") = "9"
    & skf18("10","6","8","9","1","4","1") = "9"
    & skf18("10","6","8","9","1","5","1") = "9"
    & skf18("10","6","8","9","1","6","1") = "9"
    & skf18("10","6","8","9","1","7","1") = "9"
    & skf18("10","6","8","9","1","8","1") = "9"
    & skf18("10","6","8","9","1","9","1") = "9"
    & skf18("10","6","8","9","1","10","1") = "9"
    & skf18("10","6","8","9","2","1","1") = "9"
    & skf18("10","6","8","9","2","2","1") = "9"
    & skf18("10","6","8","9","2","3","1") = "9"
    & skf18("10","6","8","9","2","4","1") = "9"
    & skf18("10","6","8","9","2","5","1") = "9"
    & skf18("10","6","8","9","2","6","1") = "9"
    & skf18("10","6","8","9","2","7","1") = "9"
    & skf18("10","6","8","9","2","8","1") = "9"
    & skf18("10","6","8","9","2","9","1") = "9"
    & skf18("10","6","8","9","2","10","1") = "9"
    & skf18("10","6","8","9","3","1","1") = "9"
    & skf18("10","6","8","9","3","2","1") = "9"
    & skf18("10","6","8","9","3","3","1") = "9"
    & skf18("10","6","8","9","3","4","1") = "9"
    & skf18("10","6","8","9","3","5","1") = "9"
    & skf18("10","6","8","9","3","6","1") = "9"
    & skf18("10","6","8","9","3","7","1") = "9"
    & skf18("10","6","8","9","3","8","1") = "9"
    & skf18("10","6","8","9","3","9","1") = "9"
    & skf18("10","6","8","9","3","10","1") = "9"
    & skf18("10","6","8","9","4","1","1") = "9"
    & skf18("10","6","8","9","4","2","1") = "9"
    & skf18("10","6","8","9","4","3","1") = "9"
    & skf18("10","6","8","9","4","4","1") = "9"
    & skf18("10","6","8","9","4","5","1") = "9"
    & skf18("10","6","8","9","4","6","1") = "9"
    & skf18("10","6","8","9","4","7","1") = "9"
    & skf18("10","6","8","9","4","8","1") = "9"
    & skf18("10","6","8","9","4","9","1") = "9"
    & skf18("10","6","8","9","4","10","1") = "9"
    & skf18("10","6","8","9","5","1","1") = "9"
    & skf18("10","6","8","9","5","2","1") = "9"
    & skf18("10","6","8","9","5","3","1") = "9"
    & skf18("10","6","8","9","5","4","1") = "9"
    & skf18("10","6","8","9","5","5","1") = "9"
    & skf18("10","6","8","9","5","6","1") = "9"
    & skf18("10","6","8","9","5","7","1") = "9"
    & skf18("10","6","8","9","5","8","1") = "9"
    & skf18("10","6","8","9","5","9","1") = "9"
    & skf18("10","6","8","9","5","10","1") = "9"
    & skf18("10","6","8","9","6","1","1") = "9"
    & skf18("10","6","8","9","6","2","1") = "9"
    & skf18("10","6","8","9","6","3","1") = "9"
    & skf18("10","6","8","9","6","4","1") = "9"
    & skf18("10","6","8","9","6","5","1") = "9"
    & skf18("10","6","8","9","6","6","1") = "9"
    & skf18("10","6","8","9","6","7","1") = "9"
    & skf18("10","6","8","9","6","8","1") = "9"
    & skf18("10","6","8","9","6","9","1") = "9"
    & skf18("10","6","8","9","6","10","1") = "9"
    & skf18("10","6","8","9","7","1","1") = "9"
    & skf18("10","6","8","9","7","2","1") = "9"
    & skf18("10","6","8","9","7","3","1") = "9"
    & skf18("10","6","8","9","7","4","1") = "9"
    & skf18("10","6","8","9","7","5","1") = "9"
    & skf18("10","6","8","9","7","6","1") = "9"
    & skf18("10","6","8","9","7","7","1") = "9"
    & skf18("10","6","8","9","7","8","1") = "9"
    & skf18("10","6","8","9","7","9","1") = "9"
    & skf18("10","6","8","9","7","10","1") = "9"
    & skf18("10","6","8","9","8","1","1") = "9"
    & skf18("10","6","8","9","8","2","1") = "9"
    & skf18("10","6","8","9","8","3","1") = "9"
    & skf18("10","6","8","9","8","4","1") = "9"
    & skf18("10","6","8","9","8","5","1") = "9"
    & skf18("10","6","8","9","8","6","1") = "9"
    & skf18("10","6","8","9","8","7","1") = "9"
    & skf18("10","6","8","9","8","8","1") = "9"
    & skf18("10","6","8","9","8","9","1") = "9"
    & skf18("10","6","8","9","8","10","1") = "9"
    & skf18("10","6","8","9","9","1","1") = "9"
    & skf18("10","6","8","9","9","2","1") = "9"
    & skf18("10","6","8","9","9","3","1") = "9"
    & skf18("10","6","8","9","9","4","1") = "9"
    & skf18("10","6","8","9","9","5","1") = "9"
    & skf18("10","6","8","9","9","6","1") = "9"
    & skf18("10","6","8","9","9","7","1") = "9"
    & skf18("10","6","8","9","9","8","1") = "9"
    & skf18("10","6","8","9","9","9","1") = "9"
    & skf18("10","6","8","9","9","10","1") = "9"
    & skf18("10","6","8","9","10","1","1") = "9"
    & skf18("10","6","8","9","10","2","1") = "9"
    & skf18("10","6","8","9","10","3","1") = "9"
    & skf18("10","6","8","9","10","4","1") = "9"
    & skf18("10","6","8","9","10","5","1") = "9"
    & skf18("10","6","8","9","10","6","1") = "9"
    & skf18("10","6","8","9","10","7","1") = "9"
    & skf18("10","6","8","9","10","8","1") = "9"
    & skf18("10","6","8","9","10","9","1") = "9"
    & skf18("10","6","8","9","10","10","1") = "9"
    & skf18("10","6","8","10","1","1","1") = "9"
    & skf18("10","6","8","10","1","2","1") = "9"
    & skf18("10","6","8","10","1","3","1") = "9"
    & skf18("10","6","8","10","1","4","1") = "9"
    & skf18("10","6","8","10","1","5","1") = "9"
    & skf18("10","6","8","10","1","6","1") = "9"
    & skf18("10","6","8","10","1","7","1") = "9"
    & skf18("10","6","8","10","1","8","1") = "9"
    & skf18("10","6","8","10","1","9","1") = "9"
    & skf18("10","6","8","10","1","10","1") = "9"
    & skf18("10","6","8","10","2","1","1") = "9"
    & skf18("10","6","8","10","2","2","1") = "9"
    & skf18("10","6","8","10","2","3","1") = "9"
    & skf18("10","6","8","10","2","4","1") = "9"
    & skf18("10","6","8","10","2","5","1") = "9"
    & skf18("10","6","8","10","2","6","1") = "9"
    & skf18("10","6","8","10","2","7","1") = "9"
    & skf18("10","6","8","10","2","8","1") = "9"
    & skf18("10","6","8","10","2","9","1") = "9"
    & skf18("10","6","8","10","2","10","1") = "9"
    & skf18("10","6","8","10","3","1","1") = "9"
    & skf18("10","6","8","10","3","2","1") = "9"
    & skf18("10","6","8","10","3","3","1") = "9"
    & skf18("10","6","8","10","3","4","1") = "9"
    & skf18("10","6","8","10","3","5","1") = "9"
    & skf18("10","6","8","10","3","6","1") = "9"
    & skf18("10","6","8","10","3","7","1") = "9"
    & skf18("10","6","8","10","3","8","1") = "9"
    & skf18("10","6","8","10","3","9","1") = "9"
    & skf18("10","6","8","10","3","10","1") = "9"
    & skf18("10","6","8","10","4","1","1") = "9"
    & skf18("10","6","8","10","4","2","1") = "9"
    & skf18("10","6","8","10","4","3","1") = "9"
    & skf18("10","6","8","10","4","4","1") = "9"
    & skf18("10","6","8","10","4","5","1") = "9"
    & skf18("10","6","8","10","4","6","1") = "9"
    & skf18("10","6","8","10","4","7","1") = "9"
    & skf18("10","6","8","10","4","8","1") = "9"
    & skf18("10","6","8","10","4","9","1") = "9"
    & skf18("10","6","8","10","4","10","1") = "9"
    & skf18("10","6","8","10","5","1","1") = "9"
    & skf18("10","6","8","10","5","2","1") = "9"
    & skf18("10","6","8","10","5","3","1") = "9"
    & skf18("10","6","8","10","5","4","1") = "9"
    & skf18("10","6","8","10","5","5","1") = "9"
    & skf18("10","6","8","10","5","6","1") = "9"
    & skf18("10","6","8","10","5","7","1") = "9"
    & skf18("10","6","8","10","5","8","1") = "9"
    & skf18("10","6","8","10","5","9","1") = "9"
    & skf18("10","6","8","10","5","10","1") = "9"
    & skf18("10","6","8","10","6","1","1") = "9"
    & skf18("10","6","8","10","6","2","1") = "9"
    & skf18("10","6","8","10","6","3","1") = "9"
    & skf18("10","6","8","10","6","4","1") = "9"
    & skf18("10","6","8","10","6","5","1") = "9"
    & skf18("10","6","8","10","6","6","1") = "9"
    & skf18("10","6","8","10","6","7","1") = "9"
    & skf18("10","6","8","10","6","8","1") = "9"
    & skf18("10","6","8","10","6","9","1") = "9"
    & skf18("10","6","8","10","6","10","1") = "9"
    & skf18("10","6","8","10","7","1","1") = "9"
    & skf18("10","6","8","10","7","2","1") = "9"
    & skf18("10","6","8","10","7","3","1") = "9"
    & skf18("10","6","8","10","7","4","1") = "9"
    & skf18("10","6","8","10","7","5","1") = "9"
    & skf18("10","6","8","10","7","6","1") = "9"
    & skf18("10","6","8","10","7","7","1") = "9"
    & skf18("10","6","8","10","7","8","1") = "9"
    & skf18("10","6","8","10","7","9","1") = "9"
    & skf18("10","6","8","10","7","10","1") = "9"
    & skf18("10","6","8","10","8","1","1") = "9"
    & skf18("10","6","8","10","8","2","1") = "9"
    & skf18("10","6","8","10","8","3","1") = "9"
    & skf18("10","6","8","10","8","4","1") = "9"
    & skf18("10","6","8","10","8","5","1") = "9"
    & skf18("10","6","8","10","8","6","1") = "9"
    & skf18("10","6","8","10","8","7","1") = "9"
    & skf18("10","6","8","10","8","8","1") = "9"
    & skf18("10","6","8","10","8","9","1") = "9"
    & skf18("10","6","8","10","8","10","1") = "9"
    & skf18("10","6","8","10","9","1","1") = "9"
    & skf18("10","6","8","10","9","2","1") = "9"
    & skf18("10","6","8","10","9","3","1") = "9"
    & skf18("10","6","8","10","9","4","1") = "9"
    & skf18("10","6","8","10","9","5","1") = "9"
    & skf18("10","6","8","10","9","6","1") = "9"
    & skf18("10","6","8","10","9","7","1") = "9"
    & skf18("10","6","8","10","9","8","1") = "9"
    & skf18("10","6","8","10","9","9","1") = "9"
    & skf18("10","6","8","10","9","10","1") = "9"
    & skf18("10","6","8","10","10","1","1") = "9"
    & skf18("10","6","8","10","10","2","1") = "9"
    & skf18("10","6","8","10","10","3","1") = "9"
    & skf18("10","6","8","10","10","4","1") = "9"
    & skf18("10","6","8","10","10","5","1") = "9"
    & skf18("10","6","8","10","10","6","1") = "9"
    & skf18("10","6","8","10","10","7","1") = "9"
    & skf18("10","6","8","10","10","8","1") = "9"
    & skf18("10","6","8","10","10","9","1") = "9"
    & skf18("10","6","8","10","10","10","1") = "9"
    & skf18("10","6","9","1","1","1","1") = "9"
    & skf18("10","6","9","1","1","2","1") = "9"
    & skf18("10","6","9","1","1","3","1") = "9"
    & skf18("10","6","9","1","1","4","1") = "9"
    & skf18("10","6","9","1","1","5","1") = "9"
    & skf18("10","6","9","1","1","6","1") = "9"
    & skf18("10","6","9","1","1","7","1") = "9"
    & skf18("10","6","9","1","1","8","1") = "9"
    & skf18("10","6","9","1","1","9","1") = "9"
    & skf18("10","6","9","1","1","10","1") = "9"
    & skf18("10","6","9","1","2","1","1") = "9"
    & skf18("10","6","9","1","2","2","1") = "9"
    & skf18("10","6","9","1","2","3","1") = "9"
    & skf18("10","6","9","1","2","4","1") = "9"
    & skf18("10","6","9","1","2","5","1") = "9"
    & skf18("10","6","9","1","2","6","1") = "9"
    & skf18("10","6","9","1","2","7","1") = "9"
    & skf18("10","6","9","1","2","8","1") = "9"
    & skf18("10","6","9","1","2","9","1") = "9"
    & skf18("10","6","9","1","2","10","1") = "9"
    & skf18("10","6","9","1","3","1","1") = "9"
    & skf18("10","6","9","1","3","2","1") = "9"
    & skf18("10","6","9","1","3","3","1") = "9"
    & skf18("10","6","9","1","3","4","1") = "9"
    & skf18("10","6","9","1","3","5","1") = "9"
    & skf18("10","6","9","1","3","6","1") = "9"
    & skf18("10","6","9","1","3","7","1") = "9"
    & skf18("10","6","9","1","3","8","1") = "9"
    & skf18("10","6","9","1","3","9","1") = "9"
    & skf18("10","6","9","1","3","10","1") = "9"
    & skf18("10","6","9","1","4","1","1") = "9"
    & skf18("10","6","9","1","4","2","1") = "9"
    & skf18("10","6","9","1","4","3","1") = "9"
    & skf18("10","6","9","1","4","4","1") = "9"
    & skf18("10","6","9","1","4","5","1") = "9"
    & skf18("10","6","9","1","4","6","1") = "9"
    & skf18("10","6","9","1","4","7","1") = "9"
    & skf18("10","6","9","1","4","8","1") = "9"
    & skf18("10","6","9","1","4","9","1") = "9"
    & skf18("10","6","9","1","4","10","1") = "9"
    & skf18("10","6","9","1","5","1","1") = "9"
    & skf18("10","6","9","1","5","2","1") = "9"
    & skf18("10","6","9","1","5","3","1") = "9"
    & skf18("10","6","9","1","5","4","1") = "9"
    & skf18("10","6","9","1","5","5","1") = "9"
    & skf18("10","6","9","1","5","6","1") = "9"
    & skf18("10","6","9","1","5","7","1") = "9"
    & skf18("10","6","9","1","5","8","1") = "9"
    & skf18("10","6","9","1","5","9","1") = "9"
    & skf18("10","6","9","1","5","10","1") = "9"
    & skf18("10","6","9","1","6","1","1") = "9"
    & skf18("10","6","9","1","6","2","1") = "9"
    & skf18("10","6","9","1","6","3","1") = "9"
    & skf18("10","6","9","1","6","4","1") = "9"
    & skf18("10","6","9","1","6","5","1") = "9"
    & skf18("10","6","9","1","6","6","1") = "9"
    & skf18("10","6","9","1","6","7","1") = "9"
    & skf18("10","6","9","1","6","8","1") = "9"
    & skf18("10","6","9","1","6","9","1") = "9"
    & skf18("10","6","9","1","6","10","1") = "9"
    & skf18("10","6","9","1","7","1","1") = "9"
    & skf18("10","6","9","1","7","2","1") = "9"
    & skf18("10","6","9","1","7","3","1") = "9"
    & skf18("10","6","9","1","7","4","1") = "9"
    & skf18("10","6","9","1","7","5","1") = "9"
    & skf18("10","6","9","1","7","6","1") = "9"
    & skf18("10","6","9","1","7","7","1") = "9"
    & skf18("10","6","9","1","7","8","1") = "9"
    & skf18("10","6","9","1","7","9","1") = "9"
    & skf18("10","6","9","1","7","10","1") = "9"
    & skf18("10","6","9","1","8","1","1") = "9"
    & skf18("10","6","9","1","8","2","1") = "9"
    & skf18("10","6","9","1","8","3","1") = "9"
    & skf18("10","6","9","1","8","4","1") = "9"
    & skf18("10","6","9","1","8","5","1") = "9"
    & skf18("10","6","9","1","8","6","1") = "9"
    & skf18("10","6","9","1","8","7","1") = "9"
    & skf18("10","6","9","1","8","8","1") = "9"
    & skf18("10","6","9","1","8","9","1") = "9"
    & skf18("10","6","9","1","8","10","1") = "9"
    & skf18("10","6","9","1","9","1","1") = "9"
    & skf18("10","6","9","1","9","2","1") = "9"
    & skf18("10","6","9","1","9","3","1") = "9"
    & skf18("10","6","9","1","9","4","1") = "9"
    & skf18("10","6","9","1","9","5","1") = "9"
    & skf18("10","6","9","1","9","6","1") = "9"
    & skf18("10","6","9","1","9","7","1") = "9"
    & skf18("10","6","9","1","9","8","1") = "9"
    & skf18("10","6","9","1","9","9","1") = "9"
    & skf18("10","6","9","1","9","10","1") = "9"
    & skf18("10","6","9","1","10","1","1") = "9"
    & skf18("10","6","9","1","10","2","1") = "9"
    & skf18("10","6","9","1","10","3","1") = "9"
    & skf18("10","6","9","1","10","4","1") = "9"
    & skf18("10","6","9","1","10","5","1") = "9"
    & skf18("10","6","9","1","10","6","1") = "9"
    & skf18("10","6","9","1","10","7","1") = "9"
    & skf18("10","6","9","1","10","8","1") = "9"
    & skf18("10","6","9","1","10","9","1") = "9"
    & skf18("10","6","9","1","10","10","1") = "9"
    & skf18("10","6","9","2","1","1","1") = "9"
    & skf18("10","6","9","2","1","2","1") = "9"
    & skf18("10","6","9","2","1","3","1") = "9"
    & skf18("10","6","9","2","1","4","1") = "9"
    & skf18("10","6","9","2","1","5","1") = "9"
    & skf18("10","6","9","2","1","6","1") = "9"
    & skf18("10","6","9","2","1","7","1") = "9"
    & skf18("10","6","9","2","1","8","1") = "9"
    & skf18("10","6","9","2","1","9","1") = "9"
    & skf18("10","6","9","2","1","10","1") = "9"
    & skf18("10","6","9","2","2","1","1") = "9"
    & skf18("10","6","9","2","2","2","1") = "9"
    & skf18("10","6","9","2","2","3","1") = "9"
    & skf18("10","6","9","2","2","4","1") = "9"
    & skf18("10","6","9","2","2","5","1") = "9"
    & skf18("10","6","9","2","2","6","1") = "9"
    & skf18("10","6","9","2","2","7","1") = "9"
    & skf18("10","6","9","2","2","8","1") = "9"
    & skf18("10","6","9","2","2","9","1") = "9"
    & skf18("10","6","9","2","2","10","1") = "9"
    & skf18("10","6","9","2","3","1","1") = "9"
    & skf18("10","6","9","2","3","2","1") = "9"
    & skf18("10","6","9","2","3","3","1") = "9"
    & skf18("10","6","9","2","3","4","1") = "9"
    & skf18("10","6","9","2","3","5","1") = "9"
    & skf18("10","6","9","2","3","6","1") = "9"
    & skf18("10","6","9","2","3","7","1") = "9"
    & skf18("10","6","9","2","3","8","1") = "9"
    & skf18("10","6","9","2","3","9","1") = "9"
    & skf18("10","6","9","2","3","10","1") = "9"
    & skf18("10","6","9","2","4","1","1") = "9"
    & skf18("10","6","9","2","4","2","1") = "9"
    & skf18("10","6","9","2","4","3","1") = "9"
    & skf18("10","6","9","2","4","4","1") = "9"
    & skf18("10","6","9","2","4","5","1") = "9"
    & skf18("10","6","9","2","4","6","1") = "9"
    & skf18("10","6","9","2","4","7","1") = "9"
    & skf18("10","6","9","2","4","8","1") = "9"
    & skf18("10","6","9","2","4","9","1") = "9"
    & skf18("10","6","9","2","4","10","1") = "9"
    & skf18("10","6","9","2","5","1","1") = "9"
    & skf18("10","6","9","2","5","2","1") = "9"
    & skf18("10","6","9","2","5","3","1") = "9"
    & skf18("10","6","9","2","5","4","1") = "9"
    & skf18("10","6","9","2","5","5","1") = "9"
    & skf18("10","6","9","2","5","6","1") = "9"
    & skf18("10","6","9","2","5","7","1") = "9"
    & skf18("10","6","9","2","5","8","1") = "9"
    & skf18("10","6","9","2","5","9","1") = "9"
    & skf18("10","6","9","2","5","10","1") = "9"
    & skf18("10","6","9","2","6","1","1") = "9"
    & skf18("10","6","9","2","6","2","1") = "9"
    & skf18("10","6","9","2","6","3","1") = "9"
    & skf18("10","6","9","2","6","4","1") = "9"
    & skf18("10","6","9","2","6","5","1") = "9"
    & skf18("10","6","9","2","6","6","1") = "9"
    & skf18("10","6","9","2","6","7","1") = "9"
    & skf18("10","6","9","2","6","8","1") = "9"
    & skf18("10","6","9","2","6","9","1") = "9"
    & skf18("10","6","9","2","6","10","1") = "9"
    & skf18("10","6","9","2","7","1","1") = "9"
    & skf18("10","6","9","2","7","2","1") = "9"
    & skf18("10","6","9","2","7","3","1") = "9"
    & skf18("10","6","9","2","7","4","1") = "9"
    & skf18("10","6","9","2","7","5","1") = "9"
    & skf18("10","6","9","2","7","6","1") = "9"
    & skf18("10","6","9","2","7","7","1") = "9"
    & skf18("10","6","9","2","7","8","1") = "9"
    & skf18("10","6","9","2","7","9","1") = "9"
    & skf18("10","6","9","2","7","10","1") = "9"
    & skf18("10","6","9","2","8","1","1") = "9"
    & skf18("10","6","9","2","8","2","1") = "9"
    & skf18("10","6","9","2","8","3","1") = "9"
    & skf18("10","6","9","2","8","4","1") = "9"
    & skf18("10","6","9","2","8","5","1") = "9"
    & skf18("10","6","9","2","8","6","1") = "9"
    & skf18("10","6","9","2","8","7","1") = "9"
    & skf18("10","6","9","2","8","8","1") = "9"
    & skf18("10","6","9","2","8","9","1") = "9"
    & skf18("10","6","9","2","8","10","1") = "9"
    & skf18("10","6","9","2","9","1","1") = "9"
    & skf18("10","6","9","2","9","2","1") = "9"
    & skf18("10","6","9","2","9","3","1") = "9"
    & skf18("10","6","9","2","9","4","1") = "9"
    & skf18("10","6","9","2","9","5","1") = "9"
    & skf18("10","6","9","2","9","6","1") = "9"
    & skf18("10","6","9","2","9","7","1") = "9"
    & skf18("10","6","9","2","9","8","1") = "9"
    & skf18("10","6","9","2","9","9","1") = "9"
    & skf18("10","6","9","2","9","10","1") = "9"
    & skf18("10","6","9","2","10","1","1") = "9"
    & skf18("10","6","9","2","10","2","1") = "9"
    & skf18("10","6","9","2","10","3","1") = "9"
    & skf18("10","6","9","2","10","4","1") = "9"
    & skf18("10","6","9","2","10","5","1") = "9"
    & skf18("10","6","9","2","10","6","1") = "9"
    & skf18("10","6","9","2","10","7","1") = "9"
    & skf18("10","6","9","2","10","8","1") = "9"
    & skf18("10","6","9","2","10","9","1") = "9"
    & skf18("10","6","9","2","10","10","1") = "9"
    & skf18("10","6","9","3","1","1","1") = "9"
    & skf18("10","6","9","3","1","2","1") = "9"
    & skf18("10","6","9","3","1","3","1") = "9"
    & skf18("10","6","9","3","1","4","1") = "9"
    & skf18("10","6","9","3","1","5","1") = "9"
    & skf18("10","6","9","3","1","6","1") = "9"
    & skf18("10","6","9","3","1","7","1") = "9"
    & skf18("10","6","9","3","1","8","1") = "9"
    & skf18("10","6","9","3","1","9","1") = "9"
    & skf18("10","6","9","3","1","10","1") = "9"
    & skf18("10","6","9","3","2","1","1") = "9"
    & skf18("10","6","9","3","2","2","1") = "9"
    & skf18("10","6","9","3","2","3","1") = "9"
    & skf18("10","6","9","3","2","4","1") = "9"
    & skf18("10","6","9","3","2","5","1") = "9"
    & skf18("10","6","9","3","2","6","1") = "9"
    & skf18("10","6","9","3","2","7","1") = "9"
    & skf18("10","6","9","3","2","8","1") = "9"
    & skf18("10","6","9","3","2","9","1") = "9"
    & skf18("10","6","9","3","2","10","1") = "9"
    & skf18("10","6","9","3","3","1","1") = "9"
    & skf18("10","6","9","3","3","2","1") = "9"
    & skf18("10","6","9","3","3","3","1") = "9"
    & skf18("10","6","9","3","3","4","1") = "9"
    & skf18("10","6","9","3","3","5","1") = "9"
    & skf18("10","6","9","3","3","6","1") = "9"
    & skf18("10","6","9","3","3","7","1") = "9"
    & skf18("10","6","9","3","3","8","1") = "9"
    & skf18("10","6","9","3","3","9","1") = "9"
    & skf18("10","6","9","3","3","10","1") = "9"
    & skf18("10","6","9","3","4","1","1") = "9"
    & skf18("10","6","9","3","4","2","1") = "9"
    & skf18("10","6","9","3","4","3","1") = "9"
    & skf18("10","6","9","3","4","4","1") = "9"
    & skf18("10","6","9","3","4","5","1") = "9"
    & skf18("10","6","9","3","4","6","1") = "9"
    & skf18("10","6","9","3","4","7","1") = "9"
    & skf18("10","6","9","3","4","8","1") = "9"
    & skf18("10","6","9","3","4","9","1") = "9"
    & skf18("10","6","9","3","4","10","1") = "9"
    & skf18("10","6","9","3","5","1","1") = "9"
    & skf18("10","6","9","3","5","2","1") = "9"
    & skf18("10","6","9","3","5","3","1") = "9"
    & skf18("10","6","9","3","5","4","1") = "9"
    & skf18("10","6","9","3","5","5","1") = "9"
    & skf18("10","6","9","3","5","6","1") = "9"
    & skf18("10","6","9","3","5","7","1") = "9"
    & skf18("10","6","9","3","5","8","1") = "9"
    & skf18("10","6","9","3","5","9","1") = "9"
    & skf18("10","6","9","3","5","10","1") = "9"
    & skf18("10","6","9","3","6","1","1") = "9"
    & skf18("10","6","9","3","6","2","1") = "9"
    & skf18("10","6","9","3","6","3","1") = "9"
    & skf18("10","6","9","3","6","4","1") = "9"
    & skf18("10","6","9","3","6","5","1") = "9"
    & skf18("10","6","9","3","6","6","1") = "9"
    & skf18("10","6","9","3","6","7","1") = "9"
    & skf18("10","6","9","3","6","8","1") = "9"
    & skf18("10","6","9","3","6","9","1") = "9"
    & skf18("10","6","9","3","6","10","1") = "9"
    & skf18("10","6","9","3","7","1","1") = "9"
    & skf18("10","6","9","3","7","2","1") = "9"
    & skf18("10","6","9","3","7","3","1") = "9"
    & skf18("10","6","9","3","7","4","1") = "9"
    & skf18("10","6","9","3","7","5","1") = "9"
    & skf18("10","6","9","3","7","6","1") = "9"
    & skf18("10","6","9","3","7","7","1") = "9"
    & skf18("10","6","9","3","7","8","1") = "9"
    & skf18("10","6","9","3","7","9","1") = "9"
    & skf18("10","6","9","3","7","10","1") = "9"
    & skf18("10","6","9","3","8","1","1") = "9"
    & skf18("10","6","9","3","8","2","1") = "9"
    & skf18("10","6","9","3","8","3","1") = "9"
    & skf18("10","6","9","3","8","4","1") = "9"
    & skf18("10","6","9","3","8","5","1") = "9"
    & skf18("10","6","9","3","8","6","1") = "9"
    & skf18("10","6","9","3","8","7","1") = "9"
    & skf18("10","6","9","3","8","8","1") = "9"
    & skf18("10","6","9","3","8","9","1") = "9"
    & skf18("10","6","9","3","8","10","1") = "9"
    & skf18("10","6","9","3","9","1","1") = "9"
    & skf18("10","6","9","3","9","2","1") = "9"
    & skf18("10","6","9","3","9","3","1") = "9"
    & skf18("10","6","9","3","9","4","1") = "9"
    & skf18("10","6","9","3","9","5","1") = "9"
    & skf18("10","6","9","3","9","6","1") = "9"
    & skf18("10","6","9","3","9","7","1") = "9"
    & skf18("10","6","9","3","9","8","1") = "9"
    & skf18("10","6","9","3","9","9","1") = "9"
    & skf18("10","6","9","3","9","10","1") = "9"
    & skf18("10","6","9","3","10","1","1") = "9"
    & skf18("10","6","9","3","10","2","1") = "9"
    & skf18("10","6","9","3","10","3","1") = "9"
    & skf18("10","6","9","3","10","4","1") = "9"
    & skf18("10","6","9","3","10","5","1") = "9"
    & skf18("10","6","9","3","10","6","1") = "9"
    & skf18("10","6","9","3","10","7","1") = "9"
    & skf18("10","6","9","3","10","8","1") = "9"
    & skf18("10","6","9","3","10","9","1") = "9"
    & skf18("10","6","9","3","10","10","1") = "9"
    & skf18("10","6","9","4","1","1","1") = "9"
    & skf18("10","6","9","4","1","2","1") = "9"
    & skf18("10","6","9","4","1","3","1") = "9"
    & skf18("10","6","9","4","1","4","1") = "9"
    & skf18("10","6","9","4","1","5","1") = "9"
    & skf18("10","6","9","4","1","6","1") = "9"
    & skf18("10","6","9","4","1","7","1") = "9"
    & skf18("10","6","9","4","1","8","1") = "9"
    & skf18("10","6","9","4","1","9","1") = "9"
    & skf18("10","6","9","4","1","10","1") = "9"
    & skf18("10","6","9","4","2","1","1") = "9"
    & skf18("10","6","9","4","2","2","1") = "9"
    & skf18("10","6","9","4","2","3","1") = "9"
    & skf18("10","6","9","4","2","4","1") = "9"
    & skf18("10","6","9","4","2","5","1") = "9"
    & skf18("10","6","9","4","2","6","1") = "9"
    & skf18("10","6","9","4","2","7","1") = "9"
    & skf18("10","6","9","4","2","8","1") = "9"
    & skf18("10","6","9","4","2","9","1") = "9"
    & skf18("10","6","9","4","2","10","1") = "9"
    & skf18("10","6","9","4","3","1","1") = "9"
    & skf18("10","6","9","4","3","2","1") = "9"
    & skf18("10","6","9","4","3","3","1") = "9"
    & skf18("10","6","9","4","3","4","1") = "9"
    & skf18("10","6","9","4","3","5","1") = "9"
    & skf18("10","6","9","4","3","6","1") = "9"
    & skf18("10","6","9","4","3","7","1") = "9"
    & skf18("10","6","9","4","3","8","1") = "9"
    & skf18("10","6","9","4","3","9","1") = "9"
    & skf18("10","6","9","4","3","10","1") = "9"
    & skf18("10","6","9","4","4","1","1") = "9"
    & skf18("10","6","9","4","4","2","1") = "9"
    & skf18("10","6","9","4","4","3","1") = "9"
    & skf18("10","6","9","4","4","4","1") = "9"
    & skf18("10","6","9","4","4","5","1") = "9"
    & skf18("10","6","9","4","4","6","1") = "9"
    & skf18("10","6","9","4","4","7","1") = "9"
    & skf18("10","6","9","4","4","8","1") = "9"
    & skf18("10","6","9","4","4","9","1") = "9"
    & skf18("10","6","9","4","4","10","1") = "9"
    & skf18("10","6","9","4","5","1","1") = "9"
    & skf18("10","6","9","4","5","2","1") = "9"
    & skf18("10","6","9","4","5","3","1") = "9"
    & skf18("10","6","9","4","5","4","1") = "9"
    & skf18("10","6","9","4","5","5","1") = "9"
    & skf18("10","6","9","4","5","6","1") = "9"
    & skf18("10","6","9","4","5","7","1") = "9"
    & skf18("10","6","9","4","5","8","1") = "9"
    & skf18("10","6","9","4","5","9","1") = "9"
    & skf18("10","6","9","4","5","10","1") = "9"
    & skf18("10","6","9","4","6","1","1") = "9"
    & skf18("10","6","9","4","6","2","1") = "9"
    & skf18("10","6","9","4","6","3","1") = "9"
    & skf18("10","6","9","4","6","4","1") = "9"
    & skf18("10","6","9","4","6","5","1") = "9"
    & skf18("10","6","9","4","6","6","1") = "9"
    & skf18("10","6","9","4","6","7","1") = "9"
    & skf18("10","6","9","4","6","8","1") = "9"
    & skf18("10","6","9","4","6","9","1") = "9"
    & skf18("10","6","9","4","6","10","1") = "9"
    & skf18("10","6","9","4","7","1","1") = "9"
    & skf18("10","6","9","4","7","2","1") = "9"
    & skf18("10","6","9","4","7","3","1") = "9"
    & skf18("10","6","9","4","7","4","1") = "9"
    & skf18("10","6","9","4","7","5","1") = "9"
    & skf18("10","6","9","4","7","6","1") = "9"
    & skf18("10","6","9","4","7","7","1") = "9"
    & skf18("10","6","9","4","7","8","1") = "9"
    & skf18("10","6","9","4","7","9","1") = "9"
    & skf18("10","6","9","4","7","10","1") = "9"
    & skf18("10","6","9","4","8","1","1") = "9"
    & skf18("10","6","9","4","8","2","1") = "9"
    & skf18("10","6","9","4","8","3","1") = "9"
    & skf18("10","6","9","4","8","4","1") = "9"
    & skf18("10","6","9","4","8","5","1") = "9"
    & skf18("10","6","9","4","8","6","1") = "9"
    & skf18("10","6","9","4","8","7","1") = "9"
    & skf18("10","6","9","4","8","8","1") = "9"
    & skf18("10","6","9","4","8","9","1") = "9"
    & skf18("10","6","9","4","8","10","1") = "9"
    & skf18("10","6","9","4","9","1","1") = "9"
    & skf18("10","6","9","4","9","2","1") = "9"
    & skf18("10","6","9","4","9","3","1") = "9"
    & skf18("10","6","9","4","9","4","1") = "9"
    & skf18("10","6","9","4","9","5","1") = "9"
    & skf18("10","6","9","4","9","6","1") = "9"
    & skf18("10","6","9","4","9","7","1") = "9"
    & skf18("10","6","9","4","9","8","1") = "9"
    & skf18("10","6","9","4","9","9","1") = "9"
    & skf18("10","6","9","4","9","10","1") = "9"
    & skf18("10","6","9","4","10","1","1") = "9"
    & skf18("10","6","9","4","10","2","1") = "9"
    & skf18("10","6","9","4","10","3","1") = "9"
    & skf18("10","6","9","4","10","4","1") = "9"
    & skf18("10","6","9","4","10","5","1") = "9"
    & skf18("10","6","9","4","10","6","1") = "9"
    & skf18("10","6","9","4","10","7","1") = "9"
    & skf18("10","6","9","4","10","8","1") = "9"
    & skf18("10","6","9","4","10","9","1") = "9"
    & skf18("10","6","9","4","10","10","1") = "9"
    & skf18("10","6","9","5","1","1","1") = "9"
    & skf18("10","6","9","5","1","2","1") = "9"
    & skf18("10","6","9","5","1","3","1") = "9"
    & skf18("10","6","9","5","1","4","1") = "9"
    & skf18("10","6","9","5","1","5","1") = "9"
    & skf18("10","6","9","5","1","6","1") = "9"
    & skf18("10","6","9","5","1","7","1") = "9"
    & skf18("10","6","9","5","1","8","1") = "9"
    & skf18("10","6","9","5","1","9","1") = "9"
    & skf18("10","6","9","5","1","10","1") = "9"
    & skf18("10","6","9","5","2","1","1") = "9"
    & skf18("10","6","9","5","2","2","1") = "9"
    & skf18("10","6","9","5","2","3","1") = "9"
    & skf18("10","6","9","5","2","4","1") = "9"
    & skf18("10","6","9","5","2","5","1") = "9"
    & skf18("10","6","9","5","2","6","1") = "9"
    & skf18("10","6","9","5","2","7","1") = "9"
    & skf18("10","6","9","5","2","8","1") = "9"
    & skf18("10","6","9","5","2","9","1") = "9"
    & skf18("10","6","9","5","2","10","1") = "9"
    & skf18("10","6","9","5","3","1","1") = "9"
    & skf18("10","6","9","5","3","2","1") = "9"
    & skf18("10","6","9","5","3","3","1") = "9"
    & skf18("10","6","9","5","3","4","1") = "9"
    & skf18("10","6","9","5","3","5","1") = "9"
    & skf18("10","6","9","5","3","6","1") = "9"
    & skf18("10","6","9","5","3","7","1") = "9"
    & skf18("10","6","9","5","3","8","1") = "9"
    & skf18("10","6","9","5","3","9","1") = "9"
    & skf18("10","6","9","5","3","10","1") = "9"
    & skf18("10","6","9","5","4","1","1") = "9"
    & skf18("10","6","9","5","4","2","1") = "9"
    & skf18("10","6","9","5","4","3","1") = "9"
    & skf18("10","6","9","5","4","4","1") = "9"
    & skf18("10","6","9","5","4","5","1") = "9"
    & skf18("10","6","9","5","4","6","1") = "9"
    & skf18("10","6","9","5","4","7","1") = "9"
    & skf18("10","6","9","5","4","8","1") = "9"
    & skf18("10","6","9","5","4","9","1") = "9"
    & skf18("10","6","9","5","4","10","1") = "9"
    & skf18("10","6","9","5","5","1","1") = "9"
    & skf18("10","6","9","5","5","2","1") = "9"
    & skf18("10","6","9","5","5","3","1") = "9"
    & skf18("10","6","9","5","5","4","1") = "9"
    & skf18("10","6","9","5","5","5","1") = "9"
    & skf18("10","6","9","5","5","6","1") = "9"
    & skf18("10","6","9","5","5","7","1") = "9"
    & skf18("10","6","9","5","5","8","1") = "9"
    & skf18("10","6","9","5","5","9","1") = "9"
    & skf18("10","6","9","5","5","10","1") = "9"
    & skf18("10","6","9","5","6","1","1") = "9"
    & skf18("10","6","9","5","6","2","1") = "9"
    & skf18("10","6","9","5","6","3","1") = "9"
    & skf18("10","6","9","5","6","4","1") = "9"
    & skf18("10","6","9","5","6","5","1") = "9"
    & skf18("10","6","9","5","6","6","1") = "9"
    & skf18("10","6","9","5","6","7","1") = "9"
    & skf18("10","6","9","5","6","8","1") = "9"
    & skf18("10","6","9","5","6","9","1") = "9"
    & skf18("10","6","9","5","6","10","1") = "9"
    & skf18("10","6","9","5","7","1","1") = "9"
    & skf18("10","6","9","5","7","2","1") = "9"
    & skf18("10","6","9","5","7","3","1") = "9"
    & skf18("10","6","9","5","7","4","1") = "9"
    & skf18("10","6","9","5","7","5","1") = "9"
    & skf18("10","6","9","5","7","6","1") = "9"
    & skf18("10","6","9","5","7","7","1") = "9"
    & skf18("10","6","9","5","7","8","1") = "9"
    & skf18("10","6","9","5","7","9","1") = "9"
    & skf18("10","6","9","5","7","10","1") = "9"
    & skf18("10","6","9","5","8","1","1") = "9"
    & skf18("10","6","9","5","8","2","1") = "9"
    & skf18("10","6","9","5","8","3","1") = "9"
    & skf18("10","6","9","5","8","4","1") = "9"
    & skf18("10","6","9","5","8","5","1") = "9"
    & skf18("10","6","9","5","8","6","1") = "9"
    & skf18("10","6","9","5","8","7","1") = "9"
    & skf18("10","6","9","5","8","8","1") = "9"
    & skf18("10","6","9","5","8","9","1") = "9"
    & skf18("10","6","9","5","8","10","1") = "9"
    & skf18("10","6","9","5","9","1","1") = "9"
    & skf18("10","6","9","5","9","2","1") = "9"
    & skf18("10","6","9","5","9","3","1") = "9"
    & skf18("10","6","9","5","9","4","1") = "9"
    & skf18("10","6","9","5","9","5","1") = "9"
    & skf18("10","6","9","5","9","6","1") = "9"
    & skf18("10","6","9","5","9","7","1") = "9"
    & skf18("10","6","9","5","9","8","1") = "9"
    & skf18("10","6","9","5","9","9","1") = "9"
    & skf18("10","6","9","5","9","10","1") = "9"
    & skf18("10","6","9","5","10","1","1") = "9"
    & skf18("10","6","9","5","10","2","1") = "9"
    & skf18("10","6","9","5","10","3","1") = "9"
    & skf18("10","6","9","5","10","4","1") = "9"
    & skf18("10","6","9","5","10","5","1") = "9"
    & skf18("10","6","9","5","10","6","1") = "9"
    & skf18("10","6","9","5","10","7","1") = "9"
    & skf18("10","6","9","5","10","8","1") = "9"
    & skf18("10","6","9","5","10","9","1") = "9"
    & skf18("10","6","9","5","10","10","1") = "9"
    & skf18("10","6","9","6","1","1","1") = "9"
    & skf18("10","6","9","6","1","2","1") = "9"
    & skf18("10","6","9","6","1","3","1") = "9"
    & skf18("10","6","9","6","1","4","1") = "9"
    & skf18("10","6","9","6","1","5","1") = "9"
    & skf18("10","6","9","6","1","6","1") = "9"
    & skf18("10","6","9","6","1","7","1") = "9"
    & skf18("10","6","9","6","1","8","1") = "9"
    & skf18("10","6","9","6","1","9","1") = "9"
    & skf18("10","6","9","6","1","10","1") = "9"
    & skf18("10","6","9","6","2","1","1") = "9"
    & skf18("10","6","9","6","2","2","1") = "9"
    & skf18("10","6","9","6","2","3","1") = "9"
    & skf18("10","6","9","6","2","4","1") = "9"
    & skf18("10","6","9","6","2","5","1") = "9"
    & skf18("10","6","9","6","2","6","1") = "9"
    & skf18("10","6","9","6","2","7","1") = "9"
    & skf18("10","6","9","6","2","8","1") = "9"
    & skf18("10","6","9","6","2","9","1") = "9"
    & skf18("10","6","9","6","2","10","1") = "9"
    & skf18("10","6","9","6","3","1","1") = "9"
    & skf18("10","6","9","6","3","2","1") = "9"
    & skf18("10","6","9","6","3","3","1") = "9"
    & skf18("10","6","9","6","3","4","1") = "9"
    & skf18("10","6","9","6","3","5","1") = "9"
    & skf18("10","6","9","6","3","6","1") = "9"
    & skf18("10","6","9","6","3","7","1") = "9"
    & skf18("10","6","9","6","3","8","1") = "9"
    & skf18("10","6","9","6","3","9","1") = "9"
    & skf18("10","6","9","6","3","10","1") = "9"
    & skf18("10","6","9","6","4","1","1") = "9"
    & skf18("10","6","9","6","4","2","1") = "9"
    & skf18("10","6","9","6","4","3","1") = "9"
    & skf18("10","6","9","6","4","4","1") = "9"
    & skf18("10","6","9","6","4","5","1") = "9"
    & skf18("10","6","9","6","4","6","1") = "9"
    & skf18("10","6","9","6","4","7","1") = "9"
    & skf18("10","6","9","6","4","8","1") = "9"
    & skf18("10","6","9","6","4","9","1") = "9"
    & skf18("10","6","9","6","4","10","1") = "9"
    & skf18("10","6","9","6","5","1","1") = "9"
    & skf18("10","6","9","6","5","2","1") = "9"
    & skf18("10","6","9","6","5","3","1") = "9"
    & skf18("10","6","9","6","5","4","1") = "9"
    & skf18("10","6","9","6","5","5","1") = "9"
    & skf18("10","6","9","6","5","6","1") = "9"
    & skf18("10","6","9","6","5","7","1") = "9"
    & skf18("10","6","9","6","5","8","1") = "9"
    & skf18("10","6","9","6","5","9","1") = "9"
    & skf18("10","6","9","6","5","10","1") = "9"
    & skf18("10","6","9","6","6","1","1") = "9"
    & skf18("10","6","9","6","6","2","1") = "9"
    & skf18("10","6","9","6","6","3","1") = "9"
    & skf18("10","6","9","6","6","4","1") = "9"
    & skf18("10","6","9","6","6","5","1") = "9"
    & skf18("10","6","9","6","6","6","1") = "9"
    & skf18("10","6","9","6","6","7","1") = "9"
    & skf18("10","6","9","6","6","8","1") = "9"
    & skf18("10","6","9","6","6","9","1") = "9"
    & skf18("10","6","9","6","6","10","1") = "9"
    & skf18("10","6","9","6","7","1","1") = "9"
    & skf18("10","6","9","6","7","2","1") = "9"
    & skf18("10","6","9","6","7","3","1") = "9"
    & skf18("10","6","9","6","7","4","1") = "9"
    & skf18("10","6","9","6","7","5","1") = "9"
    & skf18("10","6","9","6","7","6","1") = "9"
    & skf18("10","6","9","6","7","7","1") = "9"
    & skf18("10","6","9","6","7","8","1") = "9"
    & skf18("10","6","9","6","7","9","1") = "9"
    & skf18("10","6","9","6","7","10","1") = "9"
    & skf18("10","6","9","6","8","1","1") = "9"
    & skf18("10","6","9","6","8","2","1") = "9"
    & skf18("10","6","9","6","8","3","1") = "9"
    & skf18("10","6","9","6","8","4","1") = "9"
    & skf18("10","6","9","6","8","5","1") = "9"
    & skf18("10","6","9","6","8","6","1") = "9"
    & skf18("10","6","9","6","8","7","1") = "9"
    & skf18("10","6","9","6","8","8","1") = "9"
    & skf18("10","6","9","6","8","9","1") = "9"
    & skf18("10","6","9","6","8","10","1") = "9"
    & skf18("10","6","9","6","9","1","1") = "9"
    & skf18("10","6","9","6","9","2","1") = "9"
    & skf18("10","6","9","6","9","3","1") = "9"
    & skf18("10","6","9","6","9","4","1") = "9"
    & skf18("10","6","9","6","9","5","1") = "9"
    & skf18("10","6","9","6","9","6","1") = "9"
    & skf18("10","6","9","6","9","7","1") = "9"
    & skf18("10","6","9","6","9","8","1") = "9"
    & skf18("10","6","9","6","9","9","1") = "9"
    & skf18("10","6","9","6","9","10","1") = "9"
    & skf18("10","6","9","6","10","1","1") = "9"
    & skf18("10","6","9","6","10","2","1") = "9"
    & skf18("10","6","9","6","10","3","1") = "9"
    & skf18("10","6","9","6","10","4","1") = "9"
    & skf18("10","6","9","6","10","5","1") = "9"
    & skf18("10","6","9","6","10","6","1") = "9"
    & skf18("10","6","9","6","10","7","1") = "9"
    & skf18("10","6","9","6","10","8","1") = "9"
    & skf18("10","6","9","6","10","9","1") = "9"
    & skf18("10","6","9","6","10","10","1") = "9"
    & skf18("10","6","9","7","1","1","1") = "9"
    & skf18("10","6","9","7","1","2","1") = "9"
    & skf18("10","6","9","7","1","3","1") = "9"
    & skf18("10","6","9","7","1","4","1") = "9"
    & skf18("10","6","9","7","1","5","1") = "9"
    & skf18("10","6","9","7","1","6","1") = "9"
    & skf18("10","6","9","7","1","7","1") = "9"
    & skf18("10","6","9","7","1","8","1") = "9"
    & skf18("10","6","9","7","1","9","1") = "9"
    & skf18("10","6","9","7","1","10","1") = "9"
    & skf18("10","6","9","7","2","1","1") = "9"
    & skf18("10","6","9","7","2","2","1") = "9"
    & skf18("10","6","9","7","2","3","1") = "9"
    & skf18("10","6","9","7","2","4","1") = "9"
    & skf18("10","6","9","7","2","5","1") = "9"
    & skf18("10","6","9","7","2","6","1") = "9"
    & skf18("10","6","9","7","2","7","1") = "9"
    & skf18("10","6","9","7","2","8","1") = "9"
    & skf18("10","6","9","7","2","9","1") = "9"
    & skf18("10","6","9","7","2","10","1") = "9"
    & skf18("10","6","9","7","3","1","1") = "9"
    & skf18("10","6","9","7","3","2","1") = "9"
    & skf18("10","6","9","7","3","3","1") = "9"
    & skf18("10","6","9","7","3","4","1") = "9"
    & skf18("10","6","9","7","3","5","1") = "9"
    & skf18("10","6","9","7","3","6","1") = "9"
    & skf18("10","6","9","7","3","7","1") = "9"
    & skf18("10","6","9","7","3","8","1") = "9"
    & skf18("10","6","9","7","3","9","1") = "9"
    & skf18("10","6","9","7","3","10","1") = "9"
    & skf18("10","6","9","7","4","1","1") = "9"
    & skf18("10","6","9","7","4","2","1") = "9"
    & skf18("10","6","9","7","4","3","1") = "9"
    & skf18("10","6","9","7","4","4","1") = "9"
    & skf18("10","6","9","7","4","5","1") = "9"
    & skf18("10","6","9","7","4","6","1") = "9"
    & skf18("10","6","9","7","4","7","1") = "9"
    & skf18("10","6","9","7","4","8","1") = "9"
    & skf18("10","6","9","7","4","9","1") = "9"
    & skf18("10","6","9","7","4","10","1") = "9"
    & skf18("10","6","9","7","5","1","1") = "9"
    & skf18("10","6","9","7","5","2","1") = "9"
    & skf18("10","6","9","7","5","3","1") = "9"
    & skf18("10","6","9","7","5","4","1") = "9"
    & skf18("10","6","9","7","5","5","1") = "9"
    & skf18("10","6","9","7","5","6","1") = "9"
    & skf18("10","6","9","7","5","7","1") = "9"
    & skf18("10","6","9","7","5","8","1") = "9"
    & skf18("10","6","9","7","5","9","1") = "9"
    & skf18("10","6","9","7","5","10","1") = "9"
    & skf18("10","6","9","7","6","1","1") = "9"
    & skf18("10","6","9","7","6","2","1") = "9"
    & skf18("10","6","9","7","6","3","1") = "9"
    & skf18("10","6","9","7","6","4","1") = "9"
    & skf18("10","6","9","7","6","5","1") = "9"
    & skf18("10","6","9","7","6","6","1") = "9"
    & skf18("10","6","9","7","6","7","1") = "9"
    & skf18("10","6","9","7","6","8","1") = "9"
    & skf18("10","6","9","7","6","9","1") = "9"
    & skf18("10","6","9","7","6","10","1") = "9"
    & skf18("10","6","9","7","7","1","1") = "9"
    & skf18("10","6","9","7","7","2","1") = "9"
    & skf18("10","6","9","7","7","3","1") = "9"
    & skf18("10","6","9","7","7","4","1") = "9"
    & skf18("10","6","9","7","7","5","1") = "9"
    & skf18("10","6","9","7","7","6","1") = "9"
    & skf18("10","6","9","7","7","7","1") = "9"
    & skf18("10","6","9","7","7","8","1") = "9"
    & skf18("10","6","9","7","7","9","1") = "9"
    & skf18("10","6","9","7","7","10","1") = "9"
    & skf18("10","6","9","7","8","1","1") = "9"
    & skf18("10","6","9","7","8","2","1") = "9"
    & skf18("10","6","9","7","8","3","1") = "9"
    & skf18("10","6","9","7","8","4","1") = "9"
    & skf18("10","6","9","7","8","5","1") = "9"
    & skf18("10","6","9","7","8","6","1") = "9"
    & skf18("10","6","9","7","8","7","1") = "9"
    & skf18("10","6","9","7","8","8","1") = "9"
    & skf18("10","6","9","7","8","9","1") = "9"
    & skf18("10","6","9","7","8","10","1") = "9"
    & skf18("10","6","9","7","9","1","1") = "9"
    & skf18("10","6","9","7","9","2","1") = "9"
    & skf18("10","6","9","7","9","3","1") = "9"
    & skf18("10","6","9","7","9","4","1") = "9"
    & skf18("10","6","9","7","9","5","1") = "9"
    & skf18("10","6","9","7","9","6","1") = "9"
    & skf18("10","6","9","7","9","7","1") = "9"
    & skf18("10","6","9","7","9","8","1") = "9"
    & skf18("10","6","9","7","9","9","1") = "9"
    & skf18("10","6","9","7","9","10","1") = "9"
    & skf18("10","6","9","7","10","1","1") = "9"
    & skf18("10","6","9","7","10","2","1") = "9"
    & skf18("10","6","9","7","10","3","1") = "9"
    & skf18("10","6","9","7","10","4","1") = "9"
    & skf18("10","6","9","7","10","5","1") = "9"
    & skf18("10","6","9","7","10","6","1") = "9"
    & skf18("10","6","9","7","10","7","1") = "9"
    & skf18("10","6","9","7","10","8","1") = "9"
    & skf18("10","6","9","7","10","9","1") = "9"
    & skf18("10","6","9","7","10","10","1") = "9"
    & skf18("10","6","9","8","1","1","1") = "9"
    & skf18("10","6","9","8","1","2","1") = "9"
    & skf18("10","6","9","8","1","3","1") = "9"
    & skf18("10","6","9","8","1","4","1") = "9"
    & skf18("10","6","9","8","1","5","1") = "9"
    & skf18("10","6","9","8","1","6","1") = "9"
    & skf18("10","6","9","8","1","7","1") = "9"
    & skf18("10","6","9","8","1","8","1") = "9"
    & skf18("10","6","9","8","1","9","1") = "9"
    & skf18("10","6","9","8","1","10","1") = "9"
    & skf18("10","6","9","8","2","1","1") = "9"
    & skf18("10","6","9","8","2","2","1") = "9"
    & skf18("10","6","9","8","2","3","1") = "9"
    & skf18("10","6","9","8","2","4","1") = "9"
    & skf18("10","6","9","8","2","5","1") = "9"
    & skf18("10","6","9","8","2","6","1") = "9"
    & skf18("10","6","9","8","2","7","1") = "9"
    & skf18("10","6","9","8","2","8","1") = "9"
    & skf18("10","6","9","8","2","9","1") = "9"
    & skf18("10","6","9","8","2","10","1") = "9"
    & skf18("10","6","9","8","3","1","1") = "9"
    & skf18("10","6","9","8","3","2","1") = "9"
    & skf18("10","6","9","8","3","3","1") = "9"
    & skf18("10","6","9","8","3","4","1") = "9"
    & skf18("10","6","9","8","3","5","1") = "9"
    & skf18("10","6","9","8","3","6","1") = "9"
    & skf18("10","6","9","8","3","7","1") = "9"
    & skf18("10","6","9","8","3","8","1") = "9"
    & skf18("10","6","9","8","3","9","1") = "9"
    & skf18("10","6","9","8","3","10","1") = "9"
    & skf18("10","6","9","8","4","1","1") = "9"
    & skf18("10","6","9","8","4","2","1") = "9"
    & skf18("10","6","9","8","4","3","1") = "9"
    & skf18("10","6","9","8","4","4","1") = "9"
    & skf18("10","6","9","8","4","5","1") = "9"
    & skf18("10","6","9","8","4","6","1") = "9"
    & skf18("10","6","9","8","4","7","1") = "9"
    & skf18("10","6","9","8","4","8","1") = "9"
    & skf18("10","6","9","8","4","9","1") = "9"
    & skf18("10","6","9","8","4","10","1") = "9"
    & skf18("10","6","9","8","5","1","1") = "9"
    & skf18("10","6","9","8","5","2","1") = "9"
    & skf18("10","6","9","8","5","3","1") = "9"
    & skf18("10","6","9","8","5","4","1") = "9"
    & skf18("10","6","9","8","5","5","1") = "9"
    & skf18("10","6","9","8","5","6","1") = "9"
    & skf18("10","6","9","8","5","7","1") = "9"
    & skf18("10","6","9","8","5","8","1") = "9"
    & skf18("10","6","9","8","5","9","1") = "9"
    & skf18("10","6","9","8","5","10","1") = "9"
    & skf18("10","6","9","8","6","1","1") = "9"
    & skf18("10","6","9","8","6","2","1") = "9"
    & skf18("10","6","9","8","6","3","1") = "9"
    & skf18("10","6","9","8","6","4","1") = "9"
    & skf18("10","6","9","8","6","5","1") = "9"
    & skf18("10","6","9","8","6","6","1") = "9"
    & skf18("10","6","9","8","6","7","1") = "9"
    & skf18("10","6","9","8","6","8","1") = "9"
    & skf18("10","6","9","8","6","9","1") = "9"
    & skf18("10","6","9","8","6","10","1") = "9"
    & skf18("10","6","9","8","7","1","1") = "9"
    & skf18("10","6","9","8","7","2","1") = "9"
    & skf18("10","6","9","8","7","3","1") = "9"
    & skf18("10","6","9","8","7","4","1") = "9"
    & skf18("10","6","9","8","7","5","1") = "9"
    & skf18("10","6","9","8","7","6","1") = "9"
    & skf18("10","6","9","8","7","7","1") = "9"
    & skf18("10","6","9","8","7","8","1") = "9"
    & skf18("10","6","9","8","7","9","1") = "9"
    & skf18("10","6","9","8","7","10","1") = "9"
    & skf18("10","6","9","8","8","1","1") = "9"
    & skf18("10","6","9","8","8","2","1") = "9"
    & skf18("10","6","9","8","8","3","1") = "9"
    & skf18("10","6","9","8","8","4","1") = "9"
    & skf18("10","6","9","8","8","5","1") = "9"
    & skf18("10","6","9","8","8","6","1") = "9"
    & skf18("10","6","9","8","8","7","1") = "9"
    & skf18("10","6","9","8","8","8","1") = "9"
    & skf18("10","6","9","8","8","9","1") = "9"
    & skf18("10","6","9","8","8","10","1") = "9"
    & skf18("10","6","9","8","9","1","1") = "9"
    & skf18("10","6","9","8","9","2","1") = "9"
    & skf18("10","6","9","8","9","3","1") = "9"
    & skf18("10","6","9","8","9","4","1") = "9"
    & skf18("10","6","9","8","9","5","1") = "9"
    & skf18("10","6","9","8","9","6","1") = "9"
    & skf18("10","6","9","8","9","7","1") = "9"
    & skf18("10","6","9","8","9","8","1") = "9"
    & skf18("10","6","9","8","9","9","1") = "9"
    & skf18("10","6","9","8","9","10","1") = "9"
    & skf18("10","6","9","8","10","1","1") = "9"
    & skf18("10","6","9","8","10","2","1") = "9"
    & skf18("10","6","9","8","10","3","1") = "9"
    & skf18("10","6","9","8","10","4","1") = "9"
    & skf18("10","6","9","8","10","5","1") = "9"
    & skf18("10","6","9","8","10","6","1") = "9"
    & skf18("10","6","9","8","10","7","1") = "9"
    & skf18("10","6","9","8","10","8","1") = "9"
    & skf18("10","6","9","8","10","9","1") = "9"
    & skf18("10","6","9","8","10","10","1") = "9"
    & skf18("10","6","9","9","1","1","1") = "9"
    & skf18("10","6","9","9","1","2","1") = "9"
    & skf18("10","6","9","9","1","3","1") = "9"
    & skf18("10","6","9","9","1","4","1") = "9"
    & skf18("10","6","9","9","1","5","1") = "9"
    & skf18("10","6","9","9","1","6","1") = "9"
    & skf18("10","6","9","9","1","7","1") = "9"
    & skf18("10","6","9","9","1","8","1") = "9"
    & skf18("10","6","9","9","1","9","1") = "9"
    & skf18("10","6","9","9","1","10","1") = "9"
    & skf18("10","6","9","9","2","1","1") = "9"
    & skf18("10","6","9","9","2","2","1") = "9"
    & skf18("10","6","9","9","2","3","1") = "9"
    & skf18("10","6","9","9","2","4","1") = "9"
    & skf18("10","6","9","9","2","5","1") = "9"
    & skf18("10","6","9","9","2","6","1") = "9"
    & skf18("10","6","9","9","2","7","1") = "9"
    & skf18("10","6","9","9","2","8","1") = "9"
    & skf18("10","6","9","9","2","9","1") = "9"
    & skf18("10","6","9","9","2","10","1") = "9"
    & skf18("10","6","9","9","3","1","1") = "9"
    & skf18("10","6","9","9","3","2","1") = "9"
    & skf18("10","6","9","9","3","3","1") = "9"
    & skf18("10","6","9","9","3","4","1") = "9"
    & skf18("10","6","9","9","3","5","1") = "9"
    & skf18("10","6","9","9","3","6","1") = "9"
    & skf18("10","6","9","9","3","7","1") = "9"
    & skf18("10","6","9","9","3","8","1") = "9"
    & skf18("10","6","9","9","3","9","1") = "9"
    & skf18("10","6","9","9","3","10","1") = "9"
    & skf18("10","6","9","9","4","1","1") = "9"
    & skf18("10","6","9","9","4","2","1") = "9"
    & skf18("10","6","9","9","4","3","1") = "9"
    & skf18("10","6","9","9","4","4","1") = "9"
    & skf18("10","6","9","9","4","5","1") = "9"
    & skf18("10","6","9","9","4","6","1") = "9"
    & skf18("10","6","9","9","4","7","1") = "9"
    & skf18("10","6","9","9","4","8","1") = "9"
    & skf18("10","6","9","9","4","9","1") = "9"
    & skf18("10","6","9","9","4","10","1") = "9"
    & skf18("10","6","9","9","5","1","1") = "9"
    & skf18("10","6","9","9","5","2","1") = "9"
    & skf18("10","6","9","9","5","3","1") = "9"
    & skf18("10","6","9","9","5","4","1") = "9"
    & skf18("10","6","9","9","5","5","1") = "9"
    & skf18("10","6","9","9","5","6","1") = "9"
    & skf18("10","6","9","9","5","7","1") = "9"
    & skf18("10","6","9","9","5","8","1") = "9"
    & skf18("10","6","9","9","5","9","1") = "9"
    & skf18("10","6","9","9","5","10","1") = "9"
    & skf18("10","6","9","9","6","1","1") = "9"
    & skf18("10","6","9","9","6","2","1") = "9"
    & skf18("10","6","9","9","6","3","1") = "9"
    & skf18("10","6","9","9","6","4","1") = "9"
    & skf18("10","6","9","9","6","5","1") = "9"
    & skf18("10","6","9","9","6","6","1") = "9"
    & skf18("10","6","9","9","6","7","1") = "9"
    & skf18("10","6","9","9","6","8","1") = "9"
    & skf18("10","6","9","9","6","9","1") = "9"
    & skf18("10","6","9","9","6","10","1") = "9"
    & skf18("10","6","9","9","7","1","1") = "9"
    & skf18("10","6","9","9","7","2","1") = "9"
    & skf18("10","6","9","9","7","3","1") = "9"
    & skf18("10","6","9","9","7","4","1") = "9"
    & skf18("10","6","9","9","7","5","1") = "9"
    & skf18("10","6","9","9","7","6","1") = "9"
    & skf18("10","6","9","9","7","7","1") = "9"
    & skf18("10","6","9","9","7","8","1") = "9"
    & skf18("10","6","9","9","7","9","1") = "9"
    & skf18("10","6","9","9","7","10","1") = "9"
    & skf18("10","6","9","9","8","1","1") = "9"
    & skf18("10","6","9","9","8","2","1") = "9"
    & skf18("10","6","9","9","8","3","1") = "9"
    & skf18("10","6","9","9","8","4","1") = "9"
    & skf18("10","6","9","9","8","5","1") = "9"
    & skf18("10","6","9","9","8","6","1") = "9"
    & skf18("10","6","9","9","8","7","1") = "9"
    & skf18("10","6","9","9","8","8","1") = "9"
    & skf18("10","6","9","9","8","9","1") = "9"
    & skf18("10","6","9","9","8","10","1") = "9"
    & skf18("10","6","9","9","9","1","1") = "9"
    & skf18("10","6","9","9","9","2","1") = "9"
    & skf18("10","6","9","9","9","3","1") = "9"
    & skf18("10","6","9","9","9","4","1") = "9"
    & skf18("10","6","9","9","9","5","1") = "9"
    & skf18("10","6","9","9","9","6","1") = "9"
    & skf18("10","6","9","9","9","7","1") = "9"
    & skf18("10","6","9","9","9","8","1") = "9"
    & skf18("10","6","9","9","9","9","1") = "9"
    & skf18("10","6","9","9","9","10","1") = "9"
    & skf18("10","6","9","9","10","1","1") = "9"
    & skf18("10","6","9","9","10","2","1") = "9"
    & skf18("10","6","9","9","10","3","1") = "9"
    & skf18("10","6","9","9","10","4","1") = "9"
    & skf18("10","6","9","9","10","5","1") = "9"
    & skf18("10","6","9","9","10","6","1") = "9"
    & skf18("10","6","9","9","10","7","1") = "9"
    & skf18("10","6","9","9","10","8","1") = "9"
    & skf18("10","6","9","9","10","9","1") = "9"
    & skf18("10","6","9","9","10","10","1") = "9"
    & skf18("10","6","9","10","1","1","1") = "9"
    & skf18("10","6","9","10","1","2","1") = "9"
    & skf18("10","6","9","10","1","3","1") = "9"
    & skf18("10","6","9","10","1","4","1") = "9"
    & skf18("10","6","9","10","1","5","1") = "9"
    & skf18("10","6","9","10","1","6","1") = "9"
    & skf18("10","6","9","10","1","7","1") = "9"
    & skf18("10","6","9","10","1","8","1") = "9"
    & skf18("10","6","9","10","1","9","1") = "9"
    & skf18("10","6","9","10","1","10","1") = "9"
    & skf18("10","6","9","10","2","1","1") = "9"
    & skf18("10","6","9","10","2","2","1") = "9"
    & skf18("10","6","9","10","2","3","1") = "9"
    & skf18("10","6","9","10","2","4","1") = "9"
    & skf18("10","6","9","10","2","5","1") = "9"
    & skf18("10","6","9","10","2","6","1") = "9"
    & skf18("10","6","9","10","2","7","1") = "9"
    & skf18("10","6","9","10","2","8","1") = "9"
    & skf18("10","6","9","10","2","9","1") = "9"
    & skf18("10","6","9","10","2","10","1") = "9"
    & skf18("10","6","9","10","3","1","1") = "9"
    & skf18("10","6","9","10","3","2","1") = "9"
    & skf18("10","6","9","10","3","3","1") = "9"
    & skf18("10","6","9","10","3","4","1") = "9"
    & skf18("10","6","9","10","3","5","1") = "9"
    & skf18("10","6","9","10","3","6","1") = "9"
    & skf18("10","6","9","10","3","7","1") = "9"
    & skf18("10","6","9","10","3","8","1") = "9"
    & skf18("10","6","9","10","3","9","1") = "9"
    & skf18("10","6","9","10","3","10","1") = "9"
    & skf18("10","6","9","10","4","1","1") = "9"
    & skf18("10","6","9","10","4","2","1") = "9"
    & skf18("10","6","9","10","4","3","1") = "9"
    & skf18("10","6","9","10","4","4","1") = "9"
    & skf18("10","6","9","10","4","5","1") = "9"
    & skf18("10","6","9","10","4","6","1") = "9"
    & skf18("10","6","9","10","4","7","1") = "9"
    & skf18("10","6","9","10","4","8","1") = "9"
    & skf18("10","6","9","10","4","9","1") = "9"
    & skf18("10","6","9","10","4","10","1") = "9"
    & skf18("10","6","9","10","5","1","1") = "9"
    & skf18("10","6","9","10","5","2","1") = "9"
    & skf18("10","6","9","10","5","3","1") = "9"
    & skf18("10","6","9","10","5","4","1") = "9"
    & skf18("10","6","9","10","5","5","1") = "9"
    & skf18("10","6","9","10","5","6","1") = "9"
    & skf18("10","6","9","10","5","7","1") = "9"
    & skf18("10","6","9","10","5","8","1") = "9"
    & skf18("10","6","9","10","5","9","1") = "9"
    & skf18("10","6","9","10","5","10","1") = "9"
    & skf18("10","6","9","10","6","1","1") = "9"
    & skf18("10","6","9","10","6","2","1") = "9"
    & skf18("10","6","9","10","6","3","1") = "9"
    & skf18("10","6","9","10","6","4","1") = "9"
    & skf18("10","6","9","10","6","5","1") = "9"
    & skf18("10","6","9","10","6","6","1") = "9"
    & skf18("10","6","9","10","6","7","1") = "9"
    & skf18("10","6","9","10","6","8","1") = "9"
    & skf18("10","6","9","10","6","9","1") = "9"
    & skf18("10","6","9","10","6","10","1") = "9"
    & skf18("10","6","9","10","7","1","1") = "9"
    & skf18("10","6","9","10","7","2","1") = "9"
    & skf18("10","6","9","10","7","3","1") = "9"
    & skf18("10","6","9","10","7","4","1") = "9"
    & skf18("10","6","9","10","7","5","1") = "9"
    & skf18("10","6","9","10","7","6","1") = "9"
    & skf18("10","6","9","10","7","7","1") = "9"
    & skf18("10","6","9","10","7","8","1") = "9"
    & skf18("10","6","9","10","7","9","1") = "9"
    & skf18("10","6","9","10","7","10","1") = "9"
    & skf18("10","6","9","10","8","1","1") = "9"
    & skf18("10","6","9","10","8","2","1") = "9"
    & skf18("10","6","9","10","8","3","1") = "9"
    & skf18("10","6","9","10","8","4","1") = "9"
    & skf18("10","6","9","10","8","5","1") = "9"
    & skf18("10","6","9","10","8","6","1") = "9"
    & skf18("10","6","9","10","8","7","1") = "9"
    & skf18("10","6","9","10","8","8","1") = "9"
    & skf18("10","6","9","10","8","9","1") = "9"
    & skf18("10","6","9","10","8","10","1") = "9"
    & skf18("10","6","9","10","9","1","1") = "9"
    & skf18("10","6","9","10","9","2","1") = "9"
    & skf18("10","6","9","10","9","3","1") = "9"
    & skf18("10","6","9","10","9","4","1") = "9"
    & skf18("10","6","9","10","9","5","1") = "9"
    & skf18("10","6","9","10","9","6","1") = "9"
    & skf18("10","6","9","10","9","7","1") = "9"
    & skf18("10","6","9","10","9","8","1") = "9"
    & skf18("10","6","9","10","9","9","1") = "9"
    & skf18("10","6","9","10","9","10","1") = "9"
    & skf18("10","6","9","10","10","1","1") = "9"
    & skf18("10","6","9","10","10","2","1") = "9"
    & skf18("10","6","9","10","10","3","1") = "9"
    & skf18("10","6","9","10","10","4","1") = "9"
    & skf18("10","6","9","10","10","5","1") = "9"
    & skf18("10","6","9","10","10","6","1") = "9"
    & skf18("10","6","9","10","10","7","1") = "9"
    & skf18("10","6","9","10","10","8","1") = "9"
    & skf18("10","6","9","10","10","9","1") = "9"
    & skf18("10","6","9","10","10","10","1") = "9"
    & skf18("10","6","10","1","1","1","1") = "9"
    & skf18("10","6","10","1","1","2","1") = "9"
    & skf18("10","6","10","1","1","3","1") = "9"
    & skf18("10","6","10","1","1","4","1") = "9"
    & skf18("10","6","10","1","1","5","1") = "9"
    & skf18("10","6","10","1","1","6","1") = "9"
    & skf18("10","6","10","1","1","7","1") = "9"
    & skf18("10","6","10","1","1","8","1") = "9"
    & skf18("10","6","10","1","1","9","1") = "9"
    & skf18("10","6","10","1","1","10","1") = "9"
    & skf18("10","6","10","1","2","1","1") = "9"
    & skf18("10","6","10","1","2","2","1") = "9"
    & skf18("10","6","10","1","2","3","1") = "9"
    & skf18("10","6","10","1","2","4","1") = "9"
    & skf18("10","6","10","1","2","5","1") = "9"
    & skf18("10","6","10","1","2","6","1") = "9"
    & skf18("10","6","10","1","2","7","1") = "9"
    & skf18("10","6","10","1","2","8","1") = "9"
    & skf18("10","6","10","1","2","9","1") = "9"
    & skf18("10","6","10","1","2","10","1") = "9"
    & skf18("10","6","10","1","3","1","1") = "9"
    & skf18("10","6","10","1","3","2","1") = "9"
    & skf18("10","6","10","1","3","3","1") = "9"
    & skf18("10","6","10","1","3","4","1") = "9"
    & skf18("10","6","10","1","3","5","1") = "9"
    & skf18("10","6","10","1","3","6","1") = "9"
    & skf18("10","6","10","1","3","7","1") = "9"
    & skf18("10","6","10","1","3","8","1") = "9"
    & skf18("10","6","10","1","3","9","1") = "9"
    & skf18("10","6","10","1","3","10","1") = "9"
    & skf18("10","6","10","1","4","1","1") = "9"
    & skf18("10","6","10","1","4","2","1") = "9"
    & skf18("10","6","10","1","4","3","1") = "9"
    & skf18("10","6","10","1","4","4","1") = "9"
    & skf18("10","6","10","1","4","5","1") = "9"
    & skf18("10","6","10","1","4","6","1") = "9"
    & skf18("10","6","10","1","4","7","1") = "9"
    & skf18("10","6","10","1","4","8","1") = "9"
    & skf18("10","6","10","1","4","9","1") = "9"
    & skf18("10","6","10","1","4","10","1") = "9"
    & skf18("10","6","10","1","5","1","1") = "9"
    & skf18("10","6","10","1","5","2","1") = "9"
    & skf18("10","6","10","1","5","3","1") = "9"
    & skf18("10","6","10","1","5","4","1") = "9"
    & skf18("10","6","10","1","5","5","1") = "9"
    & skf18("10","6","10","1","5","6","1") = "9"
    & skf18("10","6","10","1","5","7","1") = "9"
    & skf18("10","6","10","1","5","8","1") = "9"
    & skf18("10","6","10","1","5","9","1") = "9"
    & skf18("10","6","10","1","5","10","1") = "9"
    & skf18("10","6","10","1","6","1","1") = "9"
    & skf18("10","6","10","1","6","2","1") = "9"
    & skf18("10","6","10","1","6","3","1") = "9"
    & skf18("10","6","10","1","6","4","1") = "9"
    & skf18("10","6","10","1","6","5","1") = "9"
    & skf18("10","6","10","1","6","6","1") = "9"
    & skf18("10","6","10","1","6","7","1") = "9"
    & skf18("10","6","10","1","6","8","1") = "9"
    & skf18("10","6","10","1","6","9","1") = "9"
    & skf18("10","6","10","1","6","10","1") = "9"
    & skf18("10","6","10","1","7","1","1") = "9"
    & skf18("10","6","10","1","7","2","1") = "9"
    & skf18("10","6","10","1","7","3","1") = "9"
    & skf18("10","6","10","1","7","4","1") = "9"
    & skf18("10","6","10","1","7","5","1") = "9"
    & skf18("10","6","10","1","7","6","1") = "9"
    & skf18("10","6","10","1","7","7","1") = "9"
    & skf18("10","6","10","1","7","8","1") = "9"
    & skf18("10","6","10","1","7","9","1") = "9"
    & skf18("10","6","10","1","7","10","1") = "9"
    & skf18("10","6","10","1","8","1","1") = "9"
    & skf18("10","6","10","1","8","2","1") = "9"
    & skf18("10","6","10","1","8","3","1") = "9"
    & skf18("10","6","10","1","8","4","1") = "9"
    & skf18("10","6","10","1","8","5","1") = "9"
    & skf18("10","6","10","1","8","6","1") = "9"
    & skf18("10","6","10","1","8","7","1") = "9"
    & skf18("10","6","10","1","8","8","1") = "9"
    & skf18("10","6","10","1","8","9","1") = "9"
    & skf18("10","6","10","1","8","10","1") = "9"
    & skf18("10","6","10","1","9","1","1") = "9"
    & skf18("10","6","10","1","9","2","1") = "9"
    & skf18("10","6","10","1","9","3","1") = "9"
    & skf18("10","6","10","1","9","4","1") = "9"
    & skf18("10","6","10","1","9","5","1") = "9"
    & skf18("10","6","10","1","9","6","1") = "9"
    & skf18("10","6","10","1","9","7","1") = "9"
    & skf18("10","6","10","1","9","8","1") = "9"
    & skf18("10","6","10","1","9","9","1") = "9"
    & skf18("10","6","10","1","9","10","1") = "9"
    & skf18("10","6","10","1","10","1","1") = "9"
    & skf18("10","6","10","1","10","2","1") = "9"
    & skf18("10","6","10","1","10","3","1") = "9"
    & skf18("10","6","10","1","10","4","1") = "9"
    & skf18("10","6","10","1","10","5","1") = "9"
    & skf18("10","6","10","1","10","6","1") = "9"
    & skf18("10","6","10","1","10","7","1") = "9"
    & skf18("10","6","10","1","10","8","1") = "9"
    & skf18("10","6","10","1","10","9","1") = "9"
    & skf18("10","6","10","1","10","10","1") = "9"
    & skf18("10","6","10","2","1","1","1") = "9"
    & skf18("10","6","10","2","1","2","1") = "9"
    & skf18("10","6","10","2","1","3","1") = "9"
    & skf18("10","6","10","2","1","4","1") = "9"
    & skf18("10","6","10","2","1","5","1") = "9"
    & skf18("10","6","10","2","1","6","1") = "9"
    & skf18("10","6","10","2","1","7","1") = "9"
    & skf18("10","6","10","2","1","8","1") = "9"
    & skf18("10","6","10","2","1","9","1") = "9"
    & skf18("10","6","10","2","1","10","1") = "9"
    & skf18("10","6","10","2","2","1","1") = "9"
    & skf18("10","6","10","2","2","2","1") = "9"
    & skf18("10","6","10","2","2","3","1") = "9"
    & skf18("10","6","10","2","2","4","1") = "9"
    & skf18("10","6","10","2","2","5","1") = "9"
    & skf18("10","6","10","2","2","6","1") = "9"
    & skf18("10","6","10","2","2","7","1") = "9"
    & skf18("10","6","10","2","2","8","1") = "9"
    & skf18("10","6","10","2","2","9","1") = "9"
    & skf18("10","6","10","2","2","10","1") = "9"
    & skf18("10","6","10","2","3","1","1") = "9"
    & skf18("10","6","10","2","3","2","1") = "9"
    & skf18("10","6","10","2","3","3","1") = "9"
    & skf18("10","6","10","2","3","4","1") = "9"
    & skf18("10","6","10","2","3","5","1") = "9"
    & skf18("10","6","10","2","3","6","1") = "9"
    & skf18("10","6","10","2","3","7","1") = "9"
    & skf18("10","6","10","2","3","8","1") = "9"
    & skf18("10","6","10","2","3","9","1") = "9"
    & skf18("10","6","10","2","3","10","1") = "9"
    & skf18("10","6","10","2","4","1","1") = "9"
    & skf18("10","6","10","2","4","2","1") = "9"
    & skf18("10","6","10","2","4","3","1") = "9"
    & skf18("10","6","10","2","4","4","1") = "9"
    & skf18("10","6","10","2","4","5","1") = "9"
    & skf18("10","6","10","2","4","6","1") = "9"
    & skf18("10","6","10","2","4","7","1") = "9"
    & skf18("10","6","10","2","4","8","1") = "9"
    & skf18("10","6","10","2","4","9","1") = "9"
    & skf18("10","6","10","2","4","10","1") = "9"
    & skf18("10","6","10","2","5","1","1") = "9"
    & skf18("10","6","10","2","5","2","1") = "9"
    & skf18("10","6","10","2","5","3","1") = "9"
    & skf18("10","6","10","2","5","4","1") = "9"
    & skf18("10","6","10","2","5","5","1") = "9"
    & skf18("10","6","10","2","5","6","1") = "9"
    & skf18("10","6","10","2","5","7","1") = "9"
    & skf18("10","6","10","2","5","8","1") = "9"
    & skf18("10","6","10","2","5","9","1") = "9"
    & skf18("10","6","10","2","5","10","1") = "9"
    & skf18("10","6","10","2","6","1","1") = "9"
    & skf18("10","6","10","2","6","2","1") = "9"
    & skf18("10","6","10","2","6","3","1") = "9"
    & skf18("10","6","10","2","6","4","1") = "9"
    & skf18("10","6","10","2","6","5","1") = "9"
    & skf18("10","6","10","2","6","6","1") = "9"
    & skf18("10","6","10","2","6","7","1") = "9"
    & skf18("10","6","10","2","6","8","1") = "9"
    & skf18("10","6","10","2","6","9","1") = "9"
    & skf18("10","6","10","2","6","10","1") = "9"
    & skf18("10","6","10","2","7","1","1") = "9"
    & skf18("10","6","10","2","7","2","1") = "9"
    & skf18("10","6","10","2","7","3","1") = "9"
    & skf18("10","6","10","2","7","4","1") = "9"
    & skf18("10","6","10","2","7","5","1") = "9"
    & skf18("10","6","10","2","7","6","1") = "9"
    & skf18("10","6","10","2","7","7","1") = "9"
    & skf18("10","6","10","2","7","8","1") = "9"
    & skf18("10","6","10","2","7","9","1") = "9"
    & skf18("10","6","10","2","7","10","1") = "9"
    & skf18("10","6","10","2","8","1","1") = "9"
    & skf18("10","6","10","2","8","2","1") = "9"
    & skf18("10","6","10","2","8","3","1") = "9"
    & skf18("10","6","10","2","8","4","1") = "9"
    & skf18("10","6","10","2","8","5","1") = "9"
    & skf18("10","6","10","2","8","6","1") = "9"
    & skf18("10","6","10","2","8","7","1") = "9"
    & skf18("10","6","10","2","8","8","1") = "9"
    & skf18("10","6","10","2","8","9","1") = "9"
    & skf18("10","6","10","2","8","10","1") = "9"
    & skf18("10","6","10","2","9","1","1") = "9"
    & skf18("10","6","10","2","9","2","1") = "9"
    & skf18("10","6","10","2","9","3","1") = "9"
    & skf18("10","6","10","2","9","4","1") = "9"
    & skf18("10","6","10","2","9","5","1") = "9"
    & skf18("10","6","10","2","9","6","1") = "9"
    & skf18("10","6","10","2","9","7","1") = "9"
    & skf18("10","6","10","2","9","8","1") = "9"
    & skf18("10","6","10","2","9","9","1") = "9"
    & skf18("10","6","10","2","9","10","1") = "9"
    & skf18("10","6","10","2","10","1","1") = "9"
    & skf18("10","6","10","2","10","2","1") = "9"
    & skf18("10","6","10","2","10","3","1") = "9"
    & skf18("10","6","10","2","10","4","1") = "9"
    & skf18("10","6","10","2","10","5","1") = "9"
    & skf18("10","6","10","2","10","6","1") = "9"
    & skf18("10","6","10","2","10","7","1") = "9"
    & skf18("10","6","10","2","10","8","1") = "9"
    & skf18("10","6","10","2","10","9","1") = "9"
    & skf18("10","6","10","2","10","10","1") = "9"
    & skf18("10","6","10","3","1","1","1") = "9"
    & skf18("10","6","10","3","1","2","1") = "9"
    & skf18("10","6","10","3","1","3","1") = "9"
    & skf18("10","6","10","3","1","4","1") = "9"
    & skf18("10","6","10","3","1","5","1") = "9"
    & skf18("10","6","10","3","1","6","1") = "9"
    & skf18("10","6","10","3","1","7","1") = "9"
    & skf18("10","6","10","3","1","8","1") = "9"
    & skf18("10","6","10","3","1","9","1") = "9"
    & skf18("10","6","10","3","1","10","1") = "9"
    & skf18("10","6","10","3","2","1","1") = "9"
    & skf18("10","6","10","3","2","2","1") = "9"
    & skf18("10","6","10","3","2","3","1") = "9"
    & skf18("10","6","10","3","2","4","1") = "9"
    & skf18("10","6","10","3","2","5","1") = "9"
    & skf18("10","6","10","3","2","6","1") = "9"
    & skf18("10","6","10","3","2","7","1") = "9"
    & skf18("10","6","10","3","2","8","1") = "9"
    & skf18("10","6","10","3","2","9","1") = "9"
    & skf18("10","6","10","3","2","10","1") = "9"
    & skf18("10","6","10","3","3","1","1") = "9"
    & skf18("10","6","10","3","3","2","1") = "9"
    & skf18("10","6","10","3","3","3","1") = "9"
    & skf18("10","6","10","3","3","4","1") = "9"
    & skf18("10","6","10","3","3","5","1") = "9"
    & skf18("10","6","10","3","3","6","1") = "9"
    & skf18("10","6","10","3","3","7","1") = "9"
    & skf18("10","6","10","3","3","8","1") = "9"
    & skf18("10","6","10","3","3","9","1") = "9"
    & skf18("10","6","10","3","3","10","1") = "9"
    & skf18("10","6","10","3","4","1","1") = "9"
    & skf18("10","6","10","3","4","2","1") = "9"
    & skf18("10","6","10","3","4","3","1") = "9"
    & skf18("10","6","10","3","4","4","1") = "9"
    & skf18("10","6","10","3","4","5","1") = "9"
    & skf18("10","6","10","3","4","6","1") = "9"
    & skf18("10","6","10","3","4","7","1") = "9"
    & skf18("10","6","10","3","4","8","1") = "9"
    & skf18("10","6","10","3","4","9","1") = "9"
    & skf18("10","6","10","3","4","10","1") = "9"
    & skf18("10","6","10","3","5","1","1") = "9"
    & skf18("10","6","10","3","5","2","1") = "9"
    & skf18("10","6","10","3","5","3","1") = "9"
    & skf18("10","6","10","3","5","4","1") = "9"
    & skf18("10","6","10","3","5","5","1") = "9"
    & skf18("10","6","10","3","5","6","1") = "9"
    & skf18("10","6","10","3","5","7","1") = "9"
    & skf18("10","6","10","3","5","8","1") = "9"
    & skf18("10","6","10","3","5","9","1") = "9"
    & skf18("10","6","10","3","5","10","1") = "9"
    & skf18("10","6","10","3","6","1","1") = "9"
    & skf18("10","6","10","3","6","2","1") = "9"
    & skf18("10","6","10","3","6","3","1") = "9"
    & skf18("10","6","10","3","6","4","1") = "9"
    & skf18("10","6","10","3","6","5","1") = "9"
    & skf18("10","6","10","3","6","6","1") = "9"
    & skf18("10","6","10","3","6","7","1") = "9"
    & skf18("10","6","10","3","6","8","1") = "9"
    & skf18("10","6","10","3","6","9","1") = "9"
    & skf18("10","6","10","3","6","10","1") = "9"
    & skf18("10","6","10","3","7","1","1") = "9"
    & skf18("10","6","10","3","7","2","1") = "9"
    & skf18("10","6","10","3","7","3","1") = "9"
    & skf18("10","6","10","3","7","4","1") = "9"
    & skf18("10","6","10","3","7","5","1") = "9"
    & skf18("10","6","10","3","7","6","1") = "9"
    & skf18("10","6","10","3","7","7","1") = "9"
    & skf18("10","6","10","3","7","8","1") = "9"
    & skf18("10","6","10","3","7","9","1") = "9"
    & skf18("10","6","10","3","7","10","1") = "9"
    & skf18("10","6","10","3","8","1","1") = "9"
    & skf18("10","6","10","3","8","2","1") = "9"
    & skf18("10","6","10","3","8","3","1") = "9"
    & skf18("10","6","10","3","8","4","1") = "9"
    & skf18("10","6","10","3","8","5","1") = "9"
    & skf18("10","6","10","3","8","6","1") = "9"
    & skf18("10","6","10","3","8","7","1") = "9"
    & skf18("10","6","10","3","8","8","1") = "9"
    & skf18("10","6","10","3","8","9","1") = "9"
    & skf18("10","6","10","3","8","10","1") = "9"
    & skf18("10","6","10","3","9","1","1") = "9"
    & skf18("10","6","10","3","9","2","1") = "9"
    & skf18("10","6","10","3","9","3","1") = "9"
    & skf18("10","6","10","3","9","4","1") = "9"
    & skf18("10","6","10","3","9","5","1") = "9"
    & skf18("10","6","10","3","9","6","1") = "9"
    & skf18("10","6","10","3","9","7","1") = "9"
    & skf18("10","6","10","3","9","8","1") = "9"
    & skf18("10","6","10","3","9","9","1") = "9"
    & skf18("10","6","10","3","9","10","1") = "9"
    & skf18("10","6","10","3","10","1","1") = "9"
    & skf18("10","6","10","3","10","2","1") = "9"
    & skf18("10","6","10","3","10","3","1") = "9"
    & skf18("10","6","10","3","10","4","1") = "9"
    & skf18("10","6","10","3","10","5","1") = "9"
    & skf18("10","6","10","3","10","6","1") = "9"
    & skf18("10","6","10","3","10","7","1") = "9"
    & skf18("10","6","10","3","10","8","1") = "9"
    & skf18("10","6","10","3","10","9","1") = "9"
    & skf18("10","6","10","3","10","10","1") = "9"
    & skf18("10","6","10","4","1","1","1") = "9"
    & skf18("10","6","10","4","1","2","1") = "9"
    & skf18("10","6","10","4","1","3","1") = "9"
    & skf18("10","6","10","4","1","4","1") = "9"
    & skf18("10","6","10","4","1","5","1") = "9"
    & skf18("10","6","10","4","1","6","1") = "9"
    & skf18("10","6","10","4","1","7","1") = "9"
    & skf18("10","6","10","4","1","8","1") = "9"
    & skf18("10","6","10","4","1","9","1") = "9"
    & skf18("10","6","10","4","1","10","1") = "9"
    & skf18("10","6","10","4","2","1","1") = "9"
    & skf18("10","6","10","4","2","2","1") = "9"
    & skf18("10","6","10","4","2","3","1") = "9"
    & skf18("10","6","10","4","2","4","1") = "9"
    & skf18("10","6","10","4","2","5","1") = "9"
    & skf18("10","6","10","4","2","6","1") = "9"
    & skf18("10","6","10","4","2","7","1") = "9"
    & skf18("10","6","10","4","2","8","1") = "9"
    & skf18("10","6","10","4","2","9","1") = "9"
    & skf18("10","6","10","4","2","10","1") = "9"
    & skf18("10","6","10","4","3","1","1") = "9"
    & skf18("10","6","10","4","3","2","1") = "9"
    & skf18("10","6","10","4","3","3","1") = "9"
    & skf18("10","6","10","4","3","4","1") = "9"
    & skf18("10","6","10","4","3","5","1") = "9"
    & skf18("10","6","10","4","3","6","1") = "9"
    & skf18("10","6","10","4","3","7","1") = "9"
    & skf18("10","6","10","4","3","8","1") = "9"
    & skf18("10","6","10","4","3","9","1") = "9"
    & skf18("10","6","10","4","3","10","1") = "9"
    & skf18("10","6","10","4","4","1","1") = "9"
    & skf18("10","6","10","4","4","2","1") = "9"
    & skf18("10","6","10","4","4","3","1") = "9"
    & skf18("10","6","10","4","4","4","1") = "9"
    & skf18("10","6","10","4","4","5","1") = "9"
    & skf18("10","6","10","4","4","6","1") = "9"
    & skf18("10","6","10","4","4","7","1") = "9"
    & skf18("10","6","10","4","4","8","1") = "9"
    & skf18("10","6","10","4","4","9","1") = "9"
    & skf18("10","6","10","4","4","10","1") = "9"
    & skf18("10","6","10","4","5","1","1") = "9"
    & skf18("10","6","10","4","5","2","1") = "9"
    & skf18("10","6","10","4","5","3","1") = "9"
    & skf18("10","6","10","4","5","4","1") = "9"
    & skf18("10","6","10","4","5","5","1") = "9"
    & skf18("10","6","10","4","5","6","1") = "9"
    & skf18("10","6","10","4","5","7","1") = "9"
    & skf18("10","6","10","4","5","8","1") = "9"
    & skf18("10","6","10","4","5","9","1") = "9"
    & skf18("10","6","10","4","5","10","1") = "9"
    & skf18("10","6","10","4","6","1","1") = "9"
    & skf18("10","6","10","4","6","2","1") = "9"
    & skf18("10","6","10","4","6","3","1") = "9"
    & skf18("10","6","10","4","6","4","1") = "9"
    & skf18("10","6","10","4","6","5","1") = "9"
    & skf18("10","6","10","4","6","6","1") = "9"
    & skf18("10","6","10","4","6","7","1") = "9"
    & skf18("10","6","10","4","6","8","1") = "9"
    & skf18("10","6","10","4","6","9","1") = "9"
    & skf18("10","6","10","4","6","10","1") = "9"
    & skf18("10","6","10","4","7","1","1") = "9"
    & skf18("10","6","10","4","7","2","1") = "9"
    & skf18("10","6","10","4","7","3","1") = "9"
    & skf18("10","6","10","4","7","4","1") = "9"
    & skf18("10","6","10","4","7","5","1") = "9"
    & skf18("10","6","10","4","7","6","1") = "9"
    & skf18("10","6","10","4","7","7","1") = "9"
    & skf18("10","6","10","4","7","8","1") = "9"
    & skf18("10","6","10","4","7","9","1") = "9"
    & skf18("10","6","10","4","7","10","1") = "9"
    & skf18("10","6","10","4","8","1","1") = "9"
    & skf18("10","6","10","4","8","2","1") = "9"
    & skf18("10","6","10","4","8","3","1") = "9"
    & skf18("10","6","10","4","8","4","1") = "9"
    & skf18("10","6","10","4","8","5","1") = "9"
    & skf18("10","6","10","4","8","6","1") = "9"
    & skf18("10","6","10","4","8","7","1") = "9"
    & skf18("10","6","10","4","8","8","1") = "9"
    & skf18("10","6","10","4","8","9","1") = "9"
    & skf18("10","6","10","4","8","10","1") = "9"
    & skf18("10","6","10","4","9","1","1") = "9"
    & skf18("10","6","10","4","9","2","1") = "9"
    & skf18("10","6","10","4","9","3","1") = "9"
    & skf18("10","6","10","4","9","4","1") = "9"
    & skf18("10","6","10","4","9","5","1") = "9"
    & skf18("10","6","10","4","9","6","1") = "9"
    & skf18("10","6","10","4","9","7","1") = "9"
    & skf18("10","6","10","4","9","8","1") = "9"
    & skf18("10","6","10","4","9","9","1") = "9"
    & skf18("10","6","10","4","9","10","1") = "9"
    & skf18("10","6","10","4","10","1","1") = "9"
    & skf18("10","6","10","4","10","2","1") = "9"
    & skf18("10","6","10","4","10","3","1") = "9"
    & skf18("10","6","10","4","10","4","1") = "9"
    & skf18("10","6","10","4","10","5","1") = "9"
    & skf18("10","6","10","4","10","6","1") = "9"
    & skf18("10","6","10","4","10","7","1") = "9"
    & skf18("10","6","10","4","10","8","1") = "9"
    & skf18("10","6","10","4","10","9","1") = "9"
    & skf18("10","6","10","4","10","10","1") = "9"
    & skf18("10","6","10","5","1","1","1") = "9"
    & skf18("10","6","10","5","1","2","1") = "9"
    & skf18("10","6","10","5","1","3","1") = "9"
    & skf18("10","6","10","5","1","4","1") = "9"
    & skf18("10","6","10","5","1","5","1") = "9"
    & skf18("10","6","10","5","1","6","1") = "9"
    & skf18("10","6","10","5","1","7","1") = "9"
    & skf18("10","6","10","5","1","8","1") = "9"
    & skf18("10","6","10","5","1","9","1") = "9"
    & skf18("10","6","10","5","1","10","1") = "9"
    & skf18("10","6","10","5","2","1","1") = "9"
    & skf18("10","6","10","5","2","2","1") = "9"
    & skf18("10","6","10","5","2","3","1") = "9"
    & skf18("10","6","10","5","2","4","1") = "9"
    & skf18("10","6","10","5","2","5","1") = "9"
    & skf18("10","6","10","5","2","6","1") = "9"
    & skf18("10","6","10","5","2","7","1") = "9"
    & skf18("10","6","10","5","2","8","1") = "9"
    & skf18("10","6","10","5","2","9","1") = "9"
    & skf18("10","6","10","5","2","10","1") = "9"
    & skf18("10","6","10","5","3","1","1") = "9"
    & skf18("10","6","10","5","3","2","1") = "9"
    & skf18("10","6","10","5","3","3","1") = "9"
    & skf18("10","6","10","5","3","4","1") = "9"
    & skf18("10","6","10","5","3","5","1") = "9"
    & skf18("10","6","10","5","3","6","1") = "9"
    & skf18("10","6","10","5","3","7","1") = "9"
    & skf18("10","6","10","5","3","8","1") = "9"
    & skf18("10","6","10","5","3","9","1") = "9"
    & skf18("10","6","10","5","3","10","1") = "9"
    & skf18("10","6","10","5","4","1","1") = "9"
    & skf18("10","6","10","5","4","2","1") = "9"
    & skf18("10","6","10","5","4","3","1") = "9"
    & skf18("10","6","10","5","4","4","1") = "9"
    & skf18("10","6","10","5","4","5","1") = "9"
    & skf18("10","6","10","5","4","6","1") = "9"
    & skf18("10","6","10","5","4","7","1") = "9"
    & skf18("10","6","10","5","4","8","1") = "9"
    & skf18("10","6","10","5","4","9","1") = "9"
    & skf18("10","6","10","5","4","10","1") = "9"
    & skf18("10","6","10","5","5","1","1") = "9"
    & skf18("10","6","10","5","5","2","1") = "9"
    & skf18("10","6","10","5","5","3","1") = "9"
    & skf18("10","6","10","5","5","4","1") = "9"
    & skf18("10","6","10","5","5","5","1") = "9"
    & skf18("10","6","10","5","5","6","1") = "9"
    & skf18("10","6","10","5","5","7","1") = "9"
    & skf18("10","6","10","5","5","8","1") = "9"
    & skf18("10","6","10","5","5","9","1") = "9"
    & skf18("10","6","10","5","5","10","1") = "9"
    & skf18("10","6","10","5","6","1","1") = "9"
    & skf18("10","6","10","5","6","2","1") = "9"
    & skf18("10","6","10","5","6","3","1") = "9"
    & skf18("10","6","10","5","6","4","1") = "9"
    & skf18("10","6","10","5","6","5","1") = "9"
    & skf18("10","6","10","5","6","6","1") = "9"
    & skf18("10","6","10","5","6","7","1") = "9"
    & skf18("10","6","10","5","6","8","1") = "9"
    & skf18("10","6","10","5","6","9","1") = "9"
    & skf18("10","6","10","5","6","10","1") = "9"
    & skf18("10","6","10","5","7","1","1") = "9"
    & skf18("10","6","10","5","7","2","1") = "9"
    & skf18("10","6","10","5","7","3","1") = "9"
    & skf18("10","6","10","5","7","4","1") = "9"
    & skf18("10","6","10","5","7","5","1") = "9"
    & skf18("10","6","10","5","7","6","1") = "9"
    & skf18("10","6","10","5","7","7","1") = "9"
    & skf18("10","6","10","5","7","8","1") = "9"
    & skf18("10","6","10","5","7","9","1") = "9"
    & skf18("10","6","10","5","7","10","1") = "9"
    & skf18("10","6","10","5","8","1","1") = "9"
    & skf18("10","6","10","5","8","2","1") = "9"
    & skf18("10","6","10","5","8","3","1") = "9"
    & skf18("10","6","10","5","8","4","1") = "9"
    & skf18("10","6","10","5","8","5","1") = "9"
    & skf18("10","6","10","5","8","6","1") = "9"
    & skf18("10","6","10","5","8","7","1") = "9"
    & skf18("10","6","10","5","8","8","1") = "9"
    & skf18("10","6","10","5","8","9","1") = "9"
    & skf18("10","6","10","5","8","10","1") = "9"
    & skf18("10","6","10","5","9","1","1") = "9"
    & skf18("10","6","10","5","9","2","1") = "9"
    & skf18("10","6","10","5","9","3","1") = "9"
    & skf18("10","6","10","5","9","4","1") = "9"
    & skf18("10","6","10","5","9","5","1") = "9"
    & skf18("10","6","10","5","9","6","1") = "9"
    & skf18("10","6","10","5","9","7","1") = "9"
    & skf18("10","6","10","5","9","8","1") = "9"
    & skf18("10","6","10","5","9","9","1") = "9"
    & skf18("10","6","10","5","9","10","1") = "9"
    & skf18("10","6","10","5","10","1","1") = "9"
    & skf18("10","6","10","5","10","2","1") = "9"
    & skf18("10","6","10","5","10","3","1") = "9"
    & skf18("10","6","10","5","10","4","1") = "9"
    & skf18("10","6","10","5","10","5","1") = "9"
    & skf18("10","6","10","5","10","6","1") = "9"
    & skf18("10","6","10","5","10","7","1") = "9"
    & skf18("10","6","10","5","10","8","1") = "9"
    & skf18("10","6","10","5","10","9","1") = "9"
    & skf18("10","6","10","5","10","10","1") = "9"
    & skf18("10","6","10","6","1","1","1") = "9"
    & skf18("10","6","10","6","1","2","1") = "9"
    & skf18("10","6","10","6","1","3","1") = "9"
    & skf18("10","6","10","6","1","4","1") = "9"
    & skf18("10","6","10","6","1","5","1") = "9"
    & skf18("10","6","10","6","1","6","1") = "9"
    & skf18("10","6","10","6","1","7","1") = "9"
    & skf18("10","6","10","6","1","8","1") = "9"
    & skf18("10","6","10","6","1","9","1") = "9"
    & skf18("10","6","10","6","1","10","1") = "9"
    & skf18("10","6","10","6","2","1","1") = "9"
    & skf18("10","6","10","6","2","2","1") = "9"
    & skf18("10","6","10","6","2","3","1") = "9"
    & skf18("10","6","10","6","2","4","1") = "9"
    & skf18("10","6","10","6","2","5","1") = "9"
    & skf18("10","6","10","6","2","6","1") = "9"
    & skf18("10","6","10","6","2","7","1") = "9"
    & skf18("10","6","10","6","2","8","1") = "9"
    & skf18("10","6","10","6","2","9","1") = "9"
    & skf18("10","6","10","6","2","10","1") = "9"
    & skf18("10","6","10","6","3","1","1") = "9"
    & skf18("10","6","10","6","3","2","1") = "9"
    & skf18("10","6","10","6","3","3","1") = "9"
    & skf18("10","6","10","6","3","4","1") = "9"
    & skf18("10","6","10","6","3","5","1") = "9"
    & skf18("10","6","10","6","3","6","1") = "9"
    & skf18("10","6","10","6","3","7","1") = "9"
    & skf18("10","6","10","6","3","8","1") = "9"
    & skf18("10","6","10","6","3","9","1") = "9"
    & skf18("10","6","10","6","3","10","1") = "9"
    & skf18("10","6","10","6","4","1","1") = "9"
    & skf18("10","6","10","6","4","2","1") = "9"
    & skf18("10","6","10","6","4","3","1") = "9"
    & skf18("10","6","10","6","4","4","1") = "9"
    & skf18("10","6","10","6","4","5","1") = "9"
    & skf18("10","6","10","6","4","6","1") = "9"
    & skf18("10","6","10","6","4","7","1") = "9"
    & skf18("10","6","10","6","4","8","1") = "9"
    & skf18("10","6","10","6","4","9","1") = "9"
    & skf18("10","6","10","6","4","10","1") = "9"
    & skf18("10","6","10","6","5","1","1") = "9"
    & skf18("10","6","10","6","5","2","1") = "9"
    & skf18("10","6","10","6","5","3","1") = "9"
    & skf18("10","6","10","6","5","4","1") = "9"
    & skf18("10","6","10","6","5","5","1") = "9"
    & skf18("10","6","10","6","5","6","1") = "9"
    & skf18("10","6","10","6","5","7","1") = "9"
    & skf18("10","6","10","6","5","8","1") = "9"
    & skf18("10","6","10","6","5","9","1") = "9"
    & skf18("10","6","10","6","5","10","1") = "9"
    & skf18("10","6","10","6","6","1","1") = "9"
    & skf18("10","6","10","6","6","2","1") = "9"
    & skf18("10","6","10","6","6","3","1") = "9"
    & skf18("10","6","10","6","6","4","1") = "9"
    & skf18("10","6","10","6","6","5","1") = "9"
    & skf18("10","6","10","6","6","6","1") = "9"
    & skf18("10","6","10","6","6","7","1") = "9"
    & skf18("10","6","10","6","6","8","1") = "9"
    & skf18("10","6","10","6","6","9","1") = "9"
    & skf18("10","6","10","6","6","10","1") = "9"
    & skf18("10","6","10","6","7","1","1") = "9"
    & skf18("10","6","10","6","7","2","1") = "9"
    & skf18("10","6","10","6","7","3","1") = "9"
    & skf18("10","6","10","6","7","4","1") = "9"
    & skf18("10","6","10","6","7","5","1") = "9"
    & skf18("10","6","10","6","7","6","1") = "9"
    & skf18("10","6","10","6","7","7","1") = "9"
    & skf18("10","6","10","6","7","8","1") = "9"
    & skf18("10","6","10","6","7","9","1") = "9"
    & skf18("10","6","10","6","7","10","1") = "9"
    & skf18("10","6","10","6","8","1","1") = "9"
    & skf18("10","6","10","6","8","2","1") = "9"
    & skf18("10","6","10","6","8","3","1") = "9"
    & skf18("10","6","10","6","8","4","1") = "9"
    & skf18("10","6","10","6","8","5","1") = "9"
    & skf18("10","6","10","6","8","6","1") = "9"
    & skf18("10","6","10","6","8","7","1") = "9"
    & skf18("10","6","10","6","8","8","1") = "9"
    & skf18("10","6","10","6","8","9","1") = "9"
    & skf18("10","6","10","6","8","10","1") = "9"
    & skf18("10","6","10","6","9","1","1") = "9"
    & skf18("10","6","10","6","9","2","1") = "9"
    & skf18("10","6","10","6","9","3","1") = "9"
    & skf18("10","6","10","6","9","4","1") = "9"
    & skf18("10","6","10","6","9","5","1") = "9"
    & skf18("10","6","10","6","9","6","1") = "9"
    & skf18("10","6","10","6","9","7","1") = "9"
    & skf18("10","6","10","6","9","8","1") = "9"
    & skf18("10","6","10","6","9","9","1") = "9"
    & skf18("10","6","10","6","9","10","1") = "9"
    & skf18("10","6","10","6","10","1","1") = "9"
    & skf18("10","6","10","6","10","2","1") = "9"
    & skf18("10","6","10","6","10","3","1") = "9"
    & skf18("10","6","10","6","10","4","1") = "9"
    & skf18("10","6","10","6","10","5","1") = "9"
    & skf18("10","6","10","6","10","6","1") = "9"
    & skf18("10","6","10","6","10","7","1") = "9"
    & skf18("10","6","10","6","10","8","1") = "9"
    & skf18("10","6","10","6","10","9","1") = "9"
    & skf18("10","6","10","6","10","10","1") = "9"
    & skf18("10","6","10","7","1","1","1") = "9"
    & skf18("10","6","10","7","1","2","1") = "9"
    & skf18("10","6","10","7","1","3","1") = "9"
    & skf18("10","6","10","7","1","4","1") = "9"
    & skf18("10","6","10","7","1","5","1") = "9"
    & skf18("10","6","10","7","1","6","1") = "9"
    & skf18("10","6","10","7","1","7","1") = "9"
    & skf18("10","6","10","7","1","8","1") = "9"
    & skf18("10","6","10","7","1","9","1") = "9"
    & skf18("10","6","10","7","1","10","1") = "9"
    & skf18("10","6","10","7","2","1","1") = "9"
    & skf18("10","6","10","7","2","2","1") = "9"
    & skf18("10","6","10","7","2","3","1") = "9"
    & skf18("10","6","10","7","2","4","1") = "9"
    & skf18("10","6","10","7","2","5","1") = "9"
    & skf18("10","6","10","7","2","6","1") = "9"
    & skf18("10","6","10","7","2","7","1") = "9"
    & skf18("10","6","10","7","2","8","1") = "9"
    & skf18("10","6","10","7","2","9","1") = "9"
    & skf18("10","6","10","7","2","10","1") = "9"
    & skf18("10","6","10","7","3","1","1") = "9"
    & skf18("10","6","10","7","3","2","1") = "9"
    & skf18("10","6","10","7","3","3","1") = "9"
    & skf18("10","6","10","7","3","4","1") = "9"
    & skf18("10","6","10","7","3","5","1") = "9"
    & skf18("10","6","10","7","3","6","1") = "9"
    & skf18("10","6","10","7","3","7","1") = "9"
    & skf18("10","6","10","7","3","8","1") = "9"
    & skf18("10","6","10","7","3","9","1") = "9"
    & skf18("10","6","10","7","3","10","1") = "9"
    & skf18("10","6","10","7","4","1","1") = "9"
    & skf18("10","6","10","7","4","2","1") = "9"
    & skf18("10","6","10","7","4","3","1") = "9"
    & skf18("10","6","10","7","4","4","1") = "9"
    & skf18("10","6","10","7","4","5","1") = "9"
    & skf18("10","6","10","7","4","6","1") = "9"
    & skf18("10","6","10","7","4","7","1") = "9"
    & skf18("10","6","10","7","4","8","1") = "9"
    & skf18("10","6","10","7","4","9","1") = "9"
    & skf18("10","6","10","7","4","10","1") = "9"
    & skf18("10","6","10","7","5","1","1") = "9"
    & skf18("10","6","10","7","5","2","1") = "9"
    & skf18("10","6","10","7","5","3","1") = "9"
    & skf18("10","6","10","7","5","4","1") = "9"
    & skf18("10","6","10","7","5","5","1") = "9"
    & skf18("10","6","10","7","5","6","1") = "9"
    & skf18("10","6","10","7","5","7","1") = "9"
    & skf18("10","6","10","7","5","8","1") = "9"
    & skf18("10","6","10","7","5","9","1") = "9"
    & skf18("10","6","10","7","5","10","1") = "9"
    & skf18("10","6","10","7","6","1","1") = "9"
    & skf18("10","6","10","7","6","2","1") = "9"
    & skf18("10","6","10","7","6","3","1") = "9"
    & skf18("10","6","10","7","6","4","1") = "9"
    & skf18("10","6","10","7","6","5","1") = "9"
    & skf18("10","6","10","7","6","6","1") = "9"
    & skf18("10","6","10","7","6","7","1") = "9"
    & skf18("10","6","10","7","6","8","1") = "9"
    & skf18("10","6","10","7","6","9","1") = "9"
    & skf18("10","6","10","7","6","10","1") = "9"
    & skf18("10","6","10","7","7","1","1") = "9"
    & skf18("10","6","10","7","7","2","1") = "9"
    & skf18("10","6","10","7","7","3","1") = "9"
    & skf18("10","6","10","7","7","4","1") = "9"
    & skf18("10","6","10","7","7","5","1") = "9"
    & skf18("10","6","10","7","7","6","1") = "9"
    & skf18("10","6","10","7","7","7","1") = "9"
    & skf18("10","6","10","7","7","8","1") = "9"
    & skf18("10","6","10","7","7","9","1") = "9"
    & skf18("10","6","10","7","7","10","1") = "9"
    & skf18("10","6","10","7","8","1","1") = "9"
    & skf18("10","6","10","7","8","2","1") = "9"
    & skf18("10","6","10","7","8","3","1") = "9"
    & skf18("10","6","10","7","8","4","1") = "9"
    & skf18("10","6","10","7","8","5","1") = "9"
    & skf18("10","6","10","7","8","6","1") = "9"
    & skf18("10","6","10","7","8","7","1") = "9"
    & skf18("10","6","10","7","8","8","1") = "9"
    & skf18("10","6","10","7","8","9","1") = "9"
    & skf18("10","6","10","7","8","10","1") = "9"
    & skf18("10","6","10","7","9","1","1") = "9"
    & skf18("10","6","10","7","9","2","1") = "9"
    & skf18("10","6","10","7","9","3","1") = "9"
    & skf18("10","6","10","7","9","4","1") = "9"
    & skf18("10","6","10","7","9","5","1") = "9"
    & skf18("10","6","10","7","9","6","1") = "9"
    & skf18("10","6","10","7","9","7","1") = "9"
    & skf18("10","6","10","7","9","8","1") = "9"
    & skf18("10","6","10","7","9","9","1") = "9"
    & skf18("10","6","10","7","9","10","1") = "9"
    & skf18("10","6","10","7","10","1","1") = "9"
    & skf18("10","6","10","7","10","2","1") = "9"
    & skf18("10","6","10","7","10","3","1") = "9"
    & skf18("10","6","10","7","10","4","1") = "9"
    & skf18("10","6","10","7","10","5","1") = "9"
    & skf18("10","6","10","7","10","6","1") = "9"
    & skf18("10","6","10","7","10","7","1") = "9"
    & skf18("10","6","10","7","10","8","1") = "9"
    & skf18("10","6","10","7","10","9","1") = "9"
    & skf18("10","6","10","7","10","10","1") = "9"
    & skf18("10","6","10","8","1","1","1") = "9"
    & skf18("10","6","10","8","1","2","1") = "9"
    & skf18("10","6","10","8","1","3","1") = "9"
    & skf18("10","6","10","8","1","4","1") = "9"
    & skf18("10","6","10","8","1","5","1") = "9"
    & skf18("10","6","10","8","1","6","1") = "9"
    & skf18("10","6","10","8","1","7","1") = "9"
    & skf18("10","6","10","8","1","8","1") = "9"
    & skf18("10","6","10","8","1","9","1") = "9"
    & skf18("10","6","10","8","1","10","1") = "9"
    & skf18("10","6","10","8","2","1","1") = "9"
    & skf18("10","6","10","8","2","2","1") = "9"
    & skf18("10","6","10","8","2","3","1") = "9"
    & skf18("10","6","10","8","2","4","1") = "9"
    & skf18("10","6","10","8","2","5","1") = "9"
    & skf18("10","6","10","8","2","6","1") = "9"
    & skf18("10","6","10","8","2","7","1") = "9"
    & skf18("10","6","10","8","2","8","1") = "9"
    & skf18("10","6","10","8","2","9","1") = "9"
    & skf18("10","6","10","8","2","10","1") = "9"
    & skf18("10","6","10","8","3","1","1") = "9"
    & skf18("10","6","10","8","3","2","1") = "9"
    & skf18("10","6","10","8","3","3","1") = "9"
    & skf18("10","6","10","8","3","4","1") = "9"
    & skf18("10","6","10","8","3","5","1") = "9"
    & skf18("10","6","10","8","3","6","1") = "9"
    & skf18("10","6","10","8","3","7","1") = "9"
    & skf18("10","6","10","8","3","8","1") = "9"
    & skf18("10","6","10","8","3","9","1") = "9"
    & skf18("10","6","10","8","3","10","1") = "9"
    & skf18("10","6","10","8","4","1","1") = "9"
    & skf18("10","6","10","8","4","2","1") = "9"
    & skf18("10","6","10","8","4","3","1") = "9"
    & skf18("10","6","10","8","4","4","1") = "9"
    & skf18("10","6","10","8","4","5","1") = "9"
    & skf18("10","6","10","8","4","6","1") = "9"
    & skf18("10","6","10","8","4","7","1") = "9"
    & skf18("10","6","10","8","4","8","1") = "9"
    & skf18("10","6","10","8","4","9","1") = "9"
    & skf18("10","6","10","8","4","10","1") = "9"
    & skf18("10","6","10","8","5","1","1") = "9"
    & skf18("10","6","10","8","5","2","1") = "9"
    & skf18("10","6","10","8","5","3","1") = "9"
    & skf18("10","6","10","8","5","4","1") = "9"
    & skf18("10","6","10","8","5","5","1") = "9"
    & skf18("10","6","10","8","5","6","1") = "9"
    & skf18("10","6","10","8","5","7","1") = "9"
    & skf18("10","6","10","8","5","8","1") = "9"
    & skf18("10","6","10","8","5","9","1") = "9"
    & skf18("10","6","10","8","5","10","1") = "9"
    & skf18("10","6","10","8","6","1","1") = "9"
    & skf18("10","6","10","8","6","2","1") = "9"
    & skf18("10","6","10","8","6","3","1") = "9"
    & skf18("10","6","10","8","6","4","1") = "9"
    & skf18("10","6","10","8","6","5","1") = "9"
    & skf18("10","6","10","8","6","6","1") = "9"
    & skf18("10","6","10","8","6","7","1") = "9"
    & skf18("10","6","10","8","6","8","1") = "9"
    & skf18("10","6","10","8","6","9","1") = "9"
    & skf18("10","6","10","8","6","10","1") = "9"
    & skf18("10","6","10","8","7","1","1") = "9"
    & skf18("10","6","10","8","7","2","1") = "9"
    & skf18("10","6","10","8","7","3","1") = "9"
    & skf18("10","6","10","8","7","4","1") = "9"
    & skf18("10","6","10","8","7","5","1") = "9"
    & skf18("10","6","10","8","7","6","1") = "9"
    & skf18("10","6","10","8","7","7","1") = "9"
    & skf18("10","6","10","8","7","8","1") = "9"
    & skf18("10","6","10","8","7","9","1") = "9"
    & skf18("10","6","10","8","7","10","1") = "9"
    & skf18("10","6","10","8","8","1","1") = "9"
    & skf18("10","6","10","8","8","2","1") = "9"
    & skf18("10","6","10","8","8","3","1") = "9"
    & skf18("10","6","10","8","8","4","1") = "9"
    & skf18("10","6","10","8","8","5","1") = "9"
    & skf18("10","6","10","8","8","6","1") = "9"
    & skf18("10","6","10","8","8","7","1") = "9"
    & skf18("10","6","10","8","8","8","1") = "9"
    & skf18("10","6","10","8","8","9","1") = "9"
    & skf18("10","6","10","8","8","10","1") = "9"
    & skf18("10","6","10","8","9","1","1") = "9"
    & skf18("10","6","10","8","9","2","1") = "9"
    & skf18("10","6","10","8","9","3","1") = "9"
    & skf18("10","6","10","8","9","4","1") = "9"
    & skf18("10","6","10","8","9","5","1") = "9"
    & skf18("10","6","10","8","9","6","1") = "9"
    & skf18("10","6","10","8","9","7","1") = "9"
    & skf18("10","6","10","8","9","8","1") = "9"
    & skf18("10","6","10","8","9","9","1") = "9"
    & skf18("10","6","10","8","9","10","1") = "9"
    & skf18("10","6","10","8","10","1","1") = "9"
    & skf18("10","6","10","8","10","2","1") = "9"
    & skf18("10","6","10","8","10","3","1") = "9"
    & skf18("10","6","10","8","10","4","1") = "9"
    & skf18("10","6","10","8","10","5","1") = "9"
    & skf18("10","6","10","8","10","6","1") = "9"
    & skf18("10","6","10","8","10","7","1") = "9"
    & skf18("10","6","10","8","10","8","1") = "9"
    & skf18("10","6","10","8","10","9","1") = "9"
    & skf18("10","6","10","8","10","10","1") = "9"
    & skf18("10","6","10","9","1","1","1") = "9"
    & skf18("10","6","10","9","1","2","1") = "9"
    & skf18("10","6","10","9","1","3","1") = "9"
    & skf18("10","6","10","9","1","4","1") = "9"
    & skf18("10","6","10","9","1","5","1") = "9"
    & skf18("10","6","10","9","1","6","1") = "9"
    & skf18("10","6","10","9","1","7","1") = "9"
    & skf18("10","6","10","9","1","8","1") = "9"
    & skf18("10","6","10","9","1","9","1") = "9"
    & skf18("10","6","10","9","1","10","1") = "9"
    & skf18("10","6","10","9","2","1","1") = "9"
    & skf18("10","6","10","9","2","2","1") = "9"
    & skf18("10","6","10","9","2","3","1") = "9"
    & skf18("10","6","10","9","2","4","1") = "9"
    & skf18("10","6","10","9","2","5","1") = "9"
    & skf18("10","6","10","9","2","6","1") = "9"
    & skf18("10","6","10","9","2","7","1") = "9"
    & skf18("10","6","10","9","2","8","1") = "9"
    & skf18("10","6","10","9","2","9","1") = "9"
    & skf18("10","6","10","9","2","10","1") = "9"
    & skf18("10","6","10","9","3","1","1") = "9"
    & skf18("10","6","10","9","3","2","1") = "9"
    & skf18("10","6","10","9","3","3","1") = "9"
    & skf18("10","6","10","9","3","4","1") = "9"
    & skf18("10","6","10","9","3","5","1") = "9"
    & skf18("10","6","10","9","3","6","1") = "9"
    & skf18("10","6","10","9","3","7","1") = "9"
    & skf18("10","6","10","9","3","8","1") = "9"
    & skf18("10","6","10","9","3","9","1") = "9"
    & skf18("10","6","10","9","3","10","1") = "9"
    & skf18("10","6","10","9","4","1","1") = "9"
    & skf18("10","6","10","9","4","2","1") = "9"
    & skf18("10","6","10","9","4","3","1") = "9"
    & skf18("10","6","10","9","4","4","1") = "9"
    & skf18("10","6","10","9","4","5","1") = "9"
    & skf18("10","6","10","9","4","6","1") = "9"
    & skf18("10","6","10","9","4","7","1") = "9"
    & skf18("10","6","10","9","4","8","1") = "9"
    & skf18("10","6","10","9","4","9","1") = "9"
    & skf18("10","6","10","9","4","10","1") = "9"
    & skf18("10","6","10","9","5","1","1") = "9"
    & skf18("10","6","10","9","5","2","1") = "9"
    & skf18("10","6","10","9","5","3","1") = "9"
    & skf18("10","6","10","9","5","4","1") = "9"
    & skf18("10","6","10","9","5","5","1") = "9"
    & skf18("10","6","10","9","5","6","1") = "9"
    & skf18("10","6","10","9","5","7","1") = "9"
    & skf18("10","6","10","9","5","8","1") = "9"
    & skf18("10","6","10","9","5","9","1") = "9"
    & skf18("10","6","10","9","5","10","1") = "9"
    & skf18("10","6","10","9","6","1","1") = "9"
    & skf18("10","6","10","9","6","2","1") = "9"
    & skf18("10","6","10","9","6","3","1") = "9"
    & skf18("10","6","10","9","6","4","1") = "9"
    & skf18("10","6","10","9","6","5","1") = "9"
    & skf18("10","6","10","9","6","6","1") = "9"
    & skf18("10","6","10","9","6","7","1") = "9"
    & skf18("10","6","10","9","6","8","1") = "9"
    & skf18("10","6","10","9","6","9","1") = "9"
    & skf18("10","6","10","9","6","10","1") = "9"
    & skf18("10","6","10","9","7","1","1") = "9"
    & skf18("10","6","10","9","7","2","1") = "9"
    & skf18("10","6","10","9","7","3","1") = "9"
    & skf18("10","6","10","9","7","4","1") = "9"
    & skf18("10","6","10","9","7","5","1") = "9"
    & skf18("10","6","10","9","7","6","1") = "9"
    & skf18("10","6","10","9","7","7","1") = "9"
    & skf18("10","6","10","9","7","8","1") = "9"
    & skf18("10","6","10","9","7","9","1") = "9"
    & skf18("10","6","10","9","7","10","1") = "9"
    & skf18("10","6","10","9","8","1","1") = "9"
    & skf18("10","6","10","9","8","2","1") = "9"
    & skf18("10","6","10","9","8","3","1") = "9"
    & skf18("10","6","10","9","8","4","1") = "9"
    & skf18("10","6","10","9","8","5","1") = "9"
    & skf18("10","6","10","9","8","6","1") = "9"
    & skf18("10","6","10","9","8","7","1") = "9"
    & skf18("10","6","10","9","8","8","1") = "9"
    & skf18("10","6","10","9","8","9","1") = "9"
    & skf18("10","6","10","9","8","10","1") = "9"
    & skf18("10","6","10","9","9","1","1") = "9"
    & skf18("10","6","10","9","9","2","1") = "9"
    & skf18("10","6","10","9","9","3","1") = "9"
    & skf18("10","6","10","9","9","4","1") = "9"
    & skf18("10","6","10","9","9","5","1") = "9"
    & skf18("10","6","10","9","9","6","1") = "9"
    & skf18("10","6","10","9","9","7","1") = "9"
    & skf18("10","6","10","9","9","8","1") = "9"
    & skf18("10","6","10","9","9","9","1") = "9"
    & skf18("10","6","10","9","9","10","1") = "9"
    & skf18("10","6","10","9","10","1","1") = "9"
    & skf18("10","6","10","9","10","2","1") = "9"
    & skf18("10","6","10","9","10","3","1") = "9"
    & skf18("10","6","10","9","10","4","1") = "9"
    & skf18("10","6","10","9","10","5","1") = "9"
    & skf18("10","6","10","9","10","6","1") = "9"
    & skf18("10","6","10","9","10","7","1") = "9"
    & skf18("10","6","10","9","10","8","1") = "9"
    & skf18("10","6","10","9","10","9","1") = "9"
    & skf18("10","6","10","9","10","10","1") = "9"
    & skf18("10","6","10","10","1","1","1") = "9"
    & skf18("10","6","10","10","1","2","1") = "9"
    & skf18("10","6","10","10","1","3","1") = "9"
    & skf18("10","6","10","10","1","4","1") = "9"
    & skf18("10","6","10","10","1","5","1") = "9"
    & skf18("10","6","10","10","1","6","1") = "9"
    & skf18("10","6","10","10","1","7","1") = "9"
    & skf18("10","6","10","10","1","8","1") = "9"
    & skf18("10","6","10","10","1","9","1") = "9"
    & skf18("10","6","10","10","1","10","1") = "9"
    & skf18("10","6","10","10","2","1","1") = "9"
    & skf18("10","6","10","10","2","2","1") = "9"
    & skf18("10","6","10","10","2","3","1") = "9"
    & skf18("10","6","10","10","2","4","1") = "9"
    & skf18("10","6","10","10","2","5","1") = "9"
    & skf18("10","6","10","10","2","6","1") = "9"
    & skf18("10","6","10","10","2","7","1") = "9"
    & skf18("10","6","10","10","2","8","1") = "9"
    & skf18("10","6","10","10","2","9","1") = "9"
    & skf18("10","6","10","10","2","10","1") = "9"
    & skf18("10","6","10","10","3","1","1") = "9"
    & skf18("10","6","10","10","3","2","1") = "9"
    & skf18("10","6","10","10","3","3","1") = "9"
    & skf18("10","6","10","10","3","4","1") = "9"
    & skf18("10","6","10","10","3","5","1") = "9"
    & skf18("10","6","10","10","3","6","1") = "9"
    & skf18("10","6","10","10","3","7","1") = "9"
    & skf18("10","6","10","10","3","8","1") = "9"
    & skf18("10","6","10","10","3","9","1") = "9"
    & skf18("10","6","10","10","3","10","1") = "9"
    & skf18("10","6","10","10","4","1","1") = "9"
    & skf18("10","6","10","10","4","2","1") = "9"
    & skf18("10","6","10","10","4","3","1") = "9"
    & skf18("10","6","10","10","4","4","1") = "9"
    & skf18("10","6","10","10","4","5","1") = "9"
    & skf18("10","6","10","10","4","6","1") = "9"
    & skf18("10","6","10","10","4","7","1") = "9"
    & skf18("10","6","10","10","4","8","1") = "9"
    & skf18("10","6","10","10","4","9","1") = "9"
    & skf18("10","6","10","10","4","10","1") = "9"
    & skf18("10","6","10","10","5","1","1") = "9"
    & skf18("10","6","10","10","5","2","1") = "9"
    & skf18("10","6","10","10","5","3","1") = "9"
    & skf18("10","6","10","10","5","4","1") = "9"
    & skf18("10","6","10","10","5","5","1") = "9"
    & skf18("10","6","10","10","5","6","1") = "9"
    & skf18("10","6","10","10","5","7","1") = "9"
    & skf18("10","6","10","10","5","8","1") = "9"
    & skf18("10","6","10","10","5","9","1") = "9"
    & skf18("10","6","10","10","5","10","1") = "9"
    & skf18("10","6","10","10","6","1","1") = "9"
    & skf18("10","6","10","10","6","2","1") = "9"
    & skf18("10","6","10","10","6","3","1") = "9"
    & skf18("10","6","10","10","6","4","1") = "9"
    & skf18("10","6","10","10","6","5","1") = "9"
    & skf18("10","6","10","10","6","6","1") = "9"
    & skf18("10","6","10","10","6","7","1") = "9"
    & skf18("10","6","10","10","6","8","1") = "9"
    & skf18("10","6","10","10","6","9","1") = "9"
    & skf18("10","6","10","10","6","10","1") = "9"
    & skf18("10","6","10","10","7","1","1") = "9"
    & skf18("10","6","10","10","7","2","1") = "9"
    & skf18("10","6","10","10","7","3","1") = "9"
    & skf18("10","6","10","10","7","4","1") = "9"
    & skf18("10","6","10","10","7","5","1") = "9"
    & skf18("10","6","10","10","7","6","1") = "9"
    & skf18("10","6","10","10","7","7","1") = "9"
    & skf18("10","6","10","10","7","8","1") = "9"
    & skf18("10","6","10","10","7","9","1") = "9"
    & skf18("10","6","10","10","7","10","1") = "9"
    & skf18("10","6","10","10","8","1","1") = "9"
    & skf18("10","6","10","10","8","2","1") = "9"
    & skf18("10","6","10","10","8","3","1") = "9"
    & skf18("10","6","10","10","8","4","1") = "9"
    & skf18("10","6","10","10","8","5","1") = "9"
    & skf18("10","6","10","10","8","6","1") = "9"
    & skf18("10","6","10","10","8","7","1") = "9"
    & skf18("10","6","10","10","8","8","1") = "9"
    & skf18("10","6","10","10","8","9","1") = "9"
    & skf18("10","6","10","10","8","10","1") = "9"
    & skf18("10","6","10","10","9","1","1") = "9"
    & skf18("10","6","10","10","9","2","1") = "9"
    & skf18("10","6","10","10","9","3","1") = "9"
    & skf18("10","6","10","10","9","4","1") = "9"
    & skf18("10","6","10","10","9","5","1") = "9"
    & skf18("10","6","10","10","9","6","1") = "9"
    & skf18("10","6","10","10","9","7","1") = "9"
    & skf18("10","6","10","10","9","8","1") = "9"
    & skf18("10","6","10","10","9","9","1") = "9"
    & skf18("10","6","10","10","9","10","1") = "9"
    & skf18("10","6","10","10","10","1","1") = "9"
    & skf18("10","6","10","10","10","2","1") = "9"
    & skf18("10","6","10","10","10","3","1") = "9"
    & skf18("10","6","10","10","10","4","1") = "9"
    & skf18("10","6","10","10","10","5","1") = "9"
    & skf18("10","6","10","10","10","6","1") = "9"
    & skf18("10","6","10","10","10","7","1") = "9"
    & skf18("10","6","10","10","10","8","1") = "9"
    & skf18("10","6","10","10","10","9","1") = "9"
    & skf18("10","6","10","10","10","10","1") = "9"
    & skf18("10","7","1","1","1","1","1") = "9"
    & skf18("10","7","1","1","1","2","1") = "9"
    & skf18("10","7","1","1","1","3","1") = "9"
    & skf18("10","7","1","1","1","4","1") = "9"
    & skf18("10","7","1","1","1","5","1") = "9"
    & skf18("10","7","1","1","1","6","1") = "9"
    & skf18("10","7","1","1","1","7","1") = "9"
    & skf18("10","7","1","1","1","8","1") = "9"
    & skf18("10","7","1","1","1","9","1") = "9"
    & skf18("10","7","1","1","1","10","1") = "9"
    & skf18("10","7","1","1","2","1","1") = "9"
    & skf18("10","7","1","1","2","2","1") = "9"
    & skf18("10","7","1","1","2","3","1") = "9"
    & skf18("10","7","1","1","2","4","1") = "9"
    & skf18("10","7","1","1","2","5","1") = "9"
    & skf18("10","7","1","1","2","6","1") = "9"
    & skf18("10","7","1","1","2","7","1") = "9"
    & skf18("10","7","1","1","2","8","1") = "9"
    & skf18("10","7","1","1","2","9","1") = "9"
    & skf18("10","7","1","1","2","10","1") = "9"
    & skf18("10","7","1","1","3","1","1") = "9"
    & skf18("10","7","1","1","3","2","1") = "9"
    & skf18("10","7","1","1","3","3","1") = "9"
    & skf18("10","7","1","1","3","4","1") = "9"
    & skf18("10","7","1","1","3","5","1") = "9"
    & skf18("10","7","1","1","3","6","1") = "9"
    & skf18("10","7","1","1","3","7","1") = "9"
    & skf18("10","7","1","1","3","8","1") = "9"
    & skf18("10","7","1","1","3","9","1") = "9"
    & skf18("10","7","1","1","3","10","1") = "9"
    & skf18("10","7","1","1","4","1","1") = "9"
    & skf18("10","7","1","1","4","2","1") = "9"
    & skf18("10","7","1","1","4","3","1") = "9"
    & skf18("10","7","1","1","4","4","1") = "9"
    & skf18("10","7","1","1","4","5","1") = "9"
    & skf18("10","7","1","1","4","6","1") = "9"
    & skf18("10","7","1","1","4","7","1") = "9"
    & skf18("10","7","1","1","4","8","1") = "9"
    & skf18("10","7","1","1","4","9","1") = "9"
    & skf18("10","7","1","1","4","10","1") = "9"
    & skf18("10","7","1","1","5","1","1") = "9"
    & skf18("10","7","1","1","5","2","1") = "9"
    & skf18("10","7","1","1","5","3","1") = "9"
    & skf18("10","7","1","1","5","4","1") = "9"
    & skf18("10","7","1","1","5","5","1") = "9"
    & skf18("10","7","1","1","5","6","1") = "9"
    & skf18("10","7","1","1","5","7","1") = "9"
    & skf18("10","7","1","1","5","8","1") = "9"
    & skf18("10","7","1","1","5","9","1") = "9"
    & skf18("10","7","1","1","5","10","1") = "9"
    & skf18("10","7","1","1","6","1","1") = "9"
    & skf18("10","7","1","1","6","2","1") = "9"
    & skf18("10","7","1","1","6","3","1") = "9"
    & skf18("10","7","1","1","6","4","1") = "9"
    & skf18("10","7","1","1","6","5","1") = "9"
    & skf18("10","7","1","1","6","6","1") = "9"
    & skf18("10","7","1","1","6","7","1") = "9"
    & skf18("10","7","1","1","6","8","1") = "9"
    & skf18("10","7","1","1","6","9","1") = "9"
    & skf18("10","7","1","1","6","10","1") = "9"
    & skf18("10","7","1","1","7","1","1") = "9"
    & skf18("10","7","1","1","7","2","1") = "9"
    & skf18("10","7","1","1","7","3","1") = "9"
    & skf18("10","7","1","1","7","4","1") = "9"
    & skf18("10","7","1","1","7","5","1") = "9"
    & skf18("10","7","1","1","7","6","1") = "9"
    & skf18("10","7","1","1","7","7","1") = "9"
    & skf18("10","7","1","1","7","8","1") = "9"
    & skf18("10","7","1","1","7","9","1") = "9"
    & skf18("10","7","1","1","7","10","1") = "9"
    & skf18("10","7","1","1","8","1","1") = "9"
    & skf18("10","7","1","1","8","2","1") = "9"
    & skf18("10","7","1","1","8","3","1") = "9"
    & skf18("10","7","1","1","8","4","1") = "9"
    & skf18("10","7","1","1","8","5","1") = "9"
    & skf18("10","7","1","1","8","6","1") = "9"
    & skf18("10","7","1","1","8","7","1") = "9"
    & skf18("10","7","1","1","8","8","1") = "9"
    & skf18("10","7","1","1","8","9","1") = "9"
    & skf18("10","7","1","1","8","10","1") = "9"
    & skf18("10","7","1","1","9","1","1") = "9"
    & skf18("10","7","1","1","9","2","1") = "9"
    & skf18("10","7","1","1","9","3","1") = "9"
    & skf18("10","7","1","1","9","4","1") = "9"
    & skf18("10","7","1","1","9","5","1") = "9"
    & skf18("10","7","1","1","9","6","1") = "9"
    & skf18("10","7","1","1","9","7","1") = "9"
    & skf18("10","7","1","1","9","8","1") = "9"
    & skf18("10","7","1","1","9","9","1") = "9"
    & skf18("10","7","1","1","9","10","1") = "9"
    & skf18("10","7","1","1","10","1","1") = "9"
    & skf18("10","7","1","1","10","2","1") = "9"
    & skf18("10","7","1","1","10","3","1") = "9"
    & skf18("10","7","1","1","10","4","1") = "9"
    & skf18("10","7","1","1","10","5","1") = "9"
    & skf18("10","7","1","1","10","6","1") = "9"
    & skf18("10","7","1","1","10","7","1") = "9"
    & skf18("10","7","1","1","10","8","1") = "9"
    & skf18("10","7","1","1","10","9","1") = "9"
    & skf18("10","7","1","1","10","10","1") = "9"
    & skf18("10","7","1","2","1","1","1") = "9"
    & skf18("10","7","1","2","1","2","1") = "9"
    & skf18("10","7","1","2","1","3","1") = "9"
    & skf18("10","7","1","2","1","4","1") = "9"
    & skf18("10","7","1","2","1","5","1") = "9"
    & skf18("10","7","1","2","1","6","1") = "9"
    & skf18("10","7","1","2","1","7","1") = "9"
    & skf18("10","7","1","2","1","8","1") = "9"
    & skf18("10","7","1","2","1","9","1") = "9"
    & skf18("10","7","1","2","1","10","1") = "9"
    & skf18("10","7","1","2","2","1","1") = "9"
    & skf18("10","7","1","2","2","2","1") = "9"
    & skf18("10","7","1","2","2","3","1") = "9"
    & skf18("10","7","1","2","2","4","1") = "9"
    & skf18("10","7","1","2","2","5","1") = "9"
    & skf18("10","7","1","2","2","6","1") = "9"
    & skf18("10","7","1","2","2","7","1") = "9"
    & skf18("10","7","1","2","2","8","1") = "9"
    & skf18("10","7","1","2","2","9","1") = "9"
    & skf18("10","7","1","2","2","10","1") = "9"
    & skf18("10","7","1","2","3","1","1") = "9"
    & skf18("10","7","1","2","3","2","1") = "9"
    & skf18("10","7","1","2","3","3","1") = "9"
    & skf18("10","7","1","2","3","4","1") = "9"
    & skf18("10","7","1","2","3","5","1") = "9"
    & skf18("10","7","1","2","3","6","1") = "9"
    & skf18("10","7","1","2","3","7","1") = "9"
    & skf18("10","7","1","2","3","8","1") = "9"
    & skf18("10","7","1","2","3","9","1") = "9"
    & skf18("10","7","1","2","3","10","1") = "9"
    & skf18("10","7","1","2","4","1","1") = "9"
    & skf18("10","7","1","2","4","2","1") = "9"
    & skf18("10","7","1","2","4","3","1") = "9"
    & skf18("10","7","1","2","4","4","1") = "9"
    & skf18("10","7","1","2","4","5","1") = "9"
    & skf18("10","7","1","2","4","6","1") = "9"
    & skf18("10","7","1","2","4","7","1") = "9"
    & skf18("10","7","1","2","4","8","1") = "9"
    & skf18("10","7","1","2","4","9","1") = "9"
    & skf18("10","7","1","2","4","10","1") = "9"
    & skf18("10","7","1","2","5","1","1") = "9"
    & skf18("10","7","1","2","5","2","1") = "9"
    & skf18("10","7","1","2","5","3","1") = "9"
    & skf18("10","7","1","2","5","4","1") = "9"
    & skf18("10","7","1","2","5","5","1") = "9"
    & skf18("10","7","1","2","5","6","1") = "9"
    & skf18("10","7","1","2","5","7","1") = "9"
    & skf18("10","7","1","2","5","8","1") = "9"
    & skf18("10","7","1","2","5","9","1") = "9"
    & skf18("10","7","1","2","5","10","1") = "9"
    & skf18("10","7","1","2","6","1","1") = "9"
    & skf18("10","7","1","2","6","2","1") = "9"
    & skf18("10","7","1","2","6","3","1") = "9"
    & skf18("10","7","1","2","6","4","1") = "9"
    & skf18("10","7","1","2","6","5","1") = "9"
    & skf18("10","7","1","2","6","6","1") = "9"
    & skf18("10","7","1","2","6","7","1") = "9"
    & skf18("10","7","1","2","6","8","1") = "9"
    & skf18("10","7","1","2","6","9","1") = "9"
    & skf18("10","7","1","2","6","10","1") = "9"
    & skf18("10","7","1","2","7","1","1") = "9"
    & skf18("10","7","1","2","7","2","1") = "9"
    & skf18("10","7","1","2","7","3","1") = "9"
    & skf18("10","7","1","2","7","4","1") = "9"
    & skf18("10","7","1","2","7","5","1") = "9"
    & skf18("10","7","1","2","7","6","1") = "9"
    & skf18("10","7","1","2","7","7","1") = "9"
    & skf18("10","7","1","2","7","8","1") = "9"
    & skf18("10","7","1","2","7","9","1") = "9"
    & skf18("10","7","1","2","7","10","1") = "9"
    & skf18("10","7","1","2","8","1","1") = "9"
    & skf18("10","7","1","2","8","2","1") = "9"
    & skf18("10","7","1","2","8","3","1") = "9"
    & skf18("10","7","1","2","8","4","1") = "9"
    & skf18("10","7","1","2","8","5","1") = "9"
    & skf18("10","7","1","2","8","6","1") = "9"
    & skf18("10","7","1","2","8","7","1") = "9"
    & skf18("10","7","1","2","8","8","1") = "9"
    & skf18("10","7","1","2","8","9","1") = "9"
    & skf18("10","7","1","2","8","10","1") = "9"
    & skf18("10","7","1","2","9","1","1") = "9"
    & skf18("10","7","1","2","9","2","1") = "9"
    & skf18("10","7","1","2","9","3","1") = "9"
    & skf18("10","7","1","2","9","4","1") = "9"
    & skf18("10","7","1","2","9","5","1") = "9"
    & skf18("10","7","1","2","9","6","1") = "9"
    & skf18("10","7","1","2","9","7","1") = "9"
    & skf18("10","7","1","2","9","8","1") = "9"
    & skf18("10","7","1","2","9","9","1") = "9"
    & skf18("10","7","1","2","9","10","1") = "9"
    & skf18("10","7","1","2","10","1","1") = "9"
    & skf18("10","7","1","2","10","2","1") = "9"
    & skf18("10","7","1","2","10","3","1") = "9"
    & skf18("10","7","1","2","10","4","1") = "9"
    & skf18("10","7","1","2","10","5","1") = "9"
    & skf18("10","7","1","2","10","6","1") = "9"
    & skf18("10","7","1","2","10","7","1") = "9"
    & skf18("10","7","1","2","10","8","1") = "9"
    & skf18("10","7","1","2","10","9","1") = "9"
    & skf18("10","7","1","2","10","10","1") = "9"
    & skf18("10","7","1","3","1","1","1") = "9"
    & skf18("10","7","1","3","1","2","1") = "9"
    & skf18("10","7","1","3","1","3","1") = "9"
    & skf18("10","7","1","3","1","4","1") = "9"
    & skf18("10","7","1","3","1","5","1") = "9"
    & skf18("10","7","1","3","1","6","1") = "9"
    & skf18("10","7","1","3","1","7","1") = "9"
    & skf18("10","7","1","3","1","8","1") = "9"
    & skf18("10","7","1","3","1","9","1") = "9"
    & skf18("10","7","1","3","1","10","1") = "9"
    & skf18("10","7","1","3","2","1","1") = "9"
    & skf18("10","7","1","3","2","2","1") = "9"
    & skf18("10","7","1","3","2","3","1") = "9"
    & skf18("10","7","1","3","2","4","1") = "9"
    & skf18("10","7","1","3","2","5","1") = "9"
    & skf18("10","7","1","3","2","6","1") = "9"
    & skf18("10","7","1","3","2","7","1") = "9"
    & skf18("10","7","1","3","2","8","1") = "9"
    & skf18("10","7","1","3","2","9","1") = "9"
    & skf18("10","7","1","3","2","10","1") = "9"
    & skf18("10","7","1","3","3","1","1") = "9"
    & skf18("10","7","1","3","3","2","1") = "9"
    & skf18("10","7","1","3","3","3","1") = "9"
    & skf18("10","7","1","3","3","4","1") = "9"
    & skf18("10","7","1","3","3","5","1") = "9"
    & skf18("10","7","1","3","3","6","1") = "9"
    & skf18("10","7","1","3","3","7","1") = "9"
    & skf18("10","7","1","3","3","8","1") = "9"
    & skf18("10","7","1","3","3","9","1") = "9"
    & skf18("10","7","1","3","3","10","1") = "9"
    & skf18("10","7","1","3","4","1","1") = "9"
    & skf18("10","7","1","3","4","2","1") = "9"
    & skf18("10","7","1","3","4","3","1") = "9"
    & skf18("10","7","1","3","4","4","1") = "9"
    & skf18("10","7","1","3","4","5","1") = "9"
    & skf18("10","7","1","3","4","6","1") = "9"
    & skf18("10","7","1","3","4","7","1") = "9"
    & skf18("10","7","1","3","4","8","1") = "9"
    & skf18("10","7","1","3","4","9","1") = "9"
    & skf18("10","7","1","3","4","10","1") = "9"
    & skf18("10","7","1","3","5","1","1") = "9"
    & skf18("10","7","1","3","5","2","1") = "9"
    & skf18("10","7","1","3","5","3","1") = "9"
    & skf18("10","7","1","3","5","4","1") = "9"
    & skf18("10","7","1","3","5","5","1") = "9"
    & skf18("10","7","1","3","5","6","1") = "9"
    & skf18("10","7","1","3","5","7","1") = "9"
    & skf18("10","7","1","3","5","8","1") = "9"
    & skf18("10","7","1","3","5","9","1") = "9"
    & skf18("10","7","1","3","5","10","1") = "9"
    & skf18("10","7","1","3","6","1","1") = "9"
    & skf18("10","7","1","3","6","2","1") = "9"
    & skf18("10","7","1","3","6","3","1") = "9"
    & skf18("10","7","1","3","6","4","1") = "9"
    & skf18("10","7","1","3","6","5","1") = "9"
    & skf18("10","7","1","3","6","6","1") = "9"
    & skf18("10","7","1","3","6","7","1") = "9"
    & skf18("10","7","1","3","6","8","1") = "9"
    & skf18("10","7","1","3","6","9","1") = "9"
    & skf18("10","7","1","3","6","10","1") = "9"
    & skf18("10","7","1","3","7","1","1") = "9"
    & skf18("10","7","1","3","7","2","1") = "9"
    & skf18("10","7","1","3","7","3","1") = "9"
    & skf18("10","7","1","3","7","4","1") = "9"
    & skf18("10","7","1","3","7","5","1") = "9"
    & skf18("10","7","1","3","7","6","1") = "9"
    & skf18("10","7","1","3","7","7","1") = "9"
    & skf18("10","7","1","3","7","8","1") = "9"
    & skf18("10","7","1","3","7","9","1") = "9"
    & skf18("10","7","1","3","7","10","1") = "9"
    & skf18("10","7","1","3","8","1","1") = "9"
    & skf18("10","7","1","3","8","2","1") = "9"
    & skf18("10","7","1","3","8","3","1") = "9"
    & skf18("10","7","1","3","8","4","1") = "9"
    & skf18("10","7","1","3","8","5","1") = "9"
    & skf18("10","7","1","3","8","6","1") = "9"
    & skf18("10","7","1","3","8","7","1") = "9"
    & skf18("10","7","1","3","8","8","1") = "9"
    & skf18("10","7","1","3","8","9","1") = "9"
    & skf18("10","7","1","3","8","10","1") = "9"
    & skf18("10","7","1","3","9","1","1") = "9"
    & skf18("10","7","1","3","9","2","1") = "9"
    & skf18("10","7","1","3","9","3","1") = "9"
    & skf18("10","7","1","3","9","4","1") = "9"
    & skf18("10","7","1","3","9","5","1") = "9"
    & skf18("10","7","1","3","9","6","1") = "9"
    & skf18("10","7","1","3","9","7","1") = "9"
    & skf18("10","7","1","3","9","8","1") = "9"
    & skf18("10","7","1","3","9","9","1") = "9"
    & skf18("10","7","1","3","9","10","1") = "9"
    & skf18("10","7","1","3","10","1","1") = "9"
    & skf18("10","7","1","3","10","2","1") = "9"
    & skf18("10","7","1","3","10","3","1") = "9"
    & skf18("10","7","1","3","10","4","1") = "9"
    & skf18("10","7","1","3","10","5","1") = "9"
    & skf18("10","7","1","3","10","6","1") = "9"
    & skf18("10","7","1","3","10","7","1") = "9"
    & skf18("10","7","1","3","10","8","1") = "9"
    & skf18("10","7","1","3","10","9","1") = "9"
    & skf18("10","7","1","3","10","10","1") = "9"
    & skf18("10","7","1","4","1","1","1") = "9"
    & skf18("10","7","1","4","1","2","1") = "9"
    & skf18("10","7","1","4","1","3","1") = "9"
    & skf18("10","7","1","4","1","4","1") = "9"
    & skf18("10","7","1","4","1","5","1") = "9"
    & skf18("10","7","1","4","1","6","1") = "9"
    & skf18("10","7","1","4","1","7","1") = "9"
    & skf18("10","7","1","4","1","8","1") = "9"
    & skf18("10","7","1","4","1","9","1") = "9"
    & skf18("10","7","1","4","1","10","1") = "9"
    & skf18("10","7","1","4","2","1","1") = "9"
    & skf18("10","7","1","4","2","2","1") = "9"
    & skf18("10","7","1","4","2","3","1") = "9"
    & skf18("10","7","1","4","2","4","1") = "9"
    & skf18("10","7","1","4","2","5","1") = "9"
    & skf18("10","7","1","4","2","6","1") = "9"
    & skf18("10","7","1","4","2","7","1") = "9"
    & skf18("10","7","1","4","2","8","1") = "9"
    & skf18("10","7","1","4","2","9","1") = "9"
    & skf18("10","7","1","4","2","10","1") = "9"
    & skf18("10","7","1","4","3","1","1") = "9"
    & skf18("10","7","1","4","3","2","1") = "9"
    & skf18("10","7","1","4","3","3","1") = "9"
    & skf18("10","7","1","4","3","4","1") = "9"
    & skf18("10","7","1","4","3","5","1") = "9"
    & skf18("10","7","1","4","3","6","1") = "9"
    & skf18("10","7","1","4","3","7","1") = "9"
    & skf18("10","7","1","4","3","8","1") = "9"
    & skf18("10","7","1","4","3","9","1") = "9"
    & skf18("10","7","1","4","3","10","1") = "9"
    & skf18("10","7","1","4","4","1","1") = "9"
    & skf18("10","7","1","4","4","2","1") = "9"
    & skf18("10","7","1","4","4","3","1") = "9"
    & skf18("10","7","1","4","4","4","1") = "9"
    & skf18("10","7","1","4","4","5","1") = "9"
    & skf18("10","7","1","4","4","6","1") = "9"
    & skf18("10","7","1","4","4","7","1") = "9"
    & skf18("10","7","1","4","4","8","1") = "9"
    & skf18("10","7","1","4","4","9","1") = "9"
    & skf18("10","7","1","4","4","10","1") = "9"
    & skf18("10","7","1","4","5","1","1") = "9"
    & skf18("10","7","1","4","5","2","1") = "9"
    & skf18("10","7","1","4","5","3","1") = "9"
    & skf18("10","7","1","4","5","4","1") = "9"
    & skf18("10","7","1","4","5","5","1") = "9"
    & skf18("10","7","1","4","5","6","1") = "9"
    & skf18("10","7","1","4","5","7","1") = "9"
    & skf18("10","7","1","4","5","8","1") = "9"
    & skf18("10","7","1","4","5","9","1") = "9"
    & skf18("10","7","1","4","5","10","1") = "9"
    & skf18("10","7","1","4","6","1","1") = "9"
    & skf18("10","7","1","4","6","2","1") = "9"
    & skf18("10","7","1","4","6","3","1") = "9"
    & skf18("10","7","1","4","6","4","1") = "9"
    & skf18("10","7","1","4","6","5","1") = "9"
    & skf18("10","7","1","4","6","6","1") = "9"
    & skf18("10","7","1","4","6","7","1") = "9"
    & skf18("10","7","1","4","6","8","1") = "9"
    & skf18("10","7","1","4","6","9","1") = "9"
    & skf18("10","7","1","4","6","10","1") = "9"
    & skf18("10","7","1","4","7","1","1") = "9"
    & skf18("10","7","1","4","7","2","1") = "9"
    & skf18("10","7","1","4","7","3","1") = "9"
    & skf18("10","7","1","4","7","4","1") = "9"
    & skf18("10","7","1","4","7","5","1") = "9"
    & skf18("10","7","1","4","7","6","1") = "9"
    & skf18("10","7","1","4","7","7","1") = "9"
    & skf18("10","7","1","4","7","8","1") = "9"
    & skf18("10","7","1","4","7","9","1") = "9"
    & skf18("10","7","1","4","7","10","1") = "9"
    & skf18("10","7","1","4","8","1","1") = "9"
    & skf18("10","7","1","4","8","2","1") = "9"
    & skf18("10","7","1","4","8","3","1") = "9"
    & skf18("10","7","1","4","8","4","1") = "9"
    & skf18("10","7","1","4","8","5","1") = "9"
    & skf18("10","7","1","4","8","6","1") = "9"
    & skf18("10","7","1","4","8","7","1") = "9"
    & skf18("10","7","1","4","8","8","1") = "9"
    & skf18("10","7","1","4","8","9","1") = "9"
    & skf18("10","7","1","4","8","10","1") = "9"
    & skf18("10","7","1","4","9","1","1") = "9"
    & skf18("10","7","1","4","9","2","1") = "9"
    & skf18("10","7","1","4","9","3","1") = "9"
    & skf18("10","7","1","4","9","4","1") = "9"
    & skf18("10","7","1","4","9","5","1") = "9"
    & skf18("10","7","1","4","9","6","1") = "9"
    & skf18("10","7","1","4","9","7","1") = "9"
    & skf18("10","7","1","4","9","8","1") = "9"
    & skf18("10","7","1","4","9","9","1") = "9"
    & skf18("10","7","1","4","9","10","1") = "9"
    & skf18("10","7","1","4","10","1","1") = "9"
    & skf18("10","7","1","4","10","2","1") = "9"
    & skf18("10","7","1","4","10","3","1") = "9"
    & skf18("10","7","1","4","10","4","1") = "9"
    & skf18("10","7","1","4","10","5","1") = "9"
    & skf18("10","7","1","4","10","6","1") = "9"
    & skf18("10","7","1","4","10","7","1") = "9"
    & skf18("10","7","1","4","10","8","1") = "9"
    & skf18("10","7","1","4","10","9","1") = "9"
    & skf18("10","7","1","4","10","10","1") = "9"
    & skf18("10","7","1","5","1","1","1") = "9"
    & skf18("10","7","1","5","1","2","1") = "9"
    & skf18("10","7","1","5","1","3","1") = "9"
    & skf18("10","7","1","5","1","4","1") = "9"
    & skf18("10","7","1","5","1","5","1") = "9"
    & skf18("10","7","1","5","1","6","1") = "9"
    & skf18("10","7","1","5","1","7","1") = "9"
    & skf18("10","7","1","5","1","8","1") = "9"
    & skf18("10","7","1","5","1","9","1") = "9"
    & skf18("10","7","1","5","1","10","1") = "9"
    & skf18("10","7","1","5","2","1","1") = "9"
    & skf18("10","7","1","5","2","2","1") = "9"
    & skf18("10","7","1","5","2","3","1") = "9"
    & skf18("10","7","1","5","2","4","1") = "9"
    & skf18("10","7","1","5","2","5","1") = "9"
    & skf18("10","7","1","5","2","6","1") = "9"
    & skf18("10","7","1","5","2","7","1") = "9"
    & skf18("10","7","1","5","2","8","1") = "9"
    & skf18("10","7","1","5","2","9","1") = "9"
    & skf18("10","7","1","5","2","10","1") = "9"
    & skf18("10","7","1","5","3","1","1") = "9"
    & skf18("10","7","1","5","3","2","1") = "9"
    & skf18("10","7","1","5","3","3","1") = "9"
    & skf18("10","7","1","5","3","4","1") = "9"
    & skf18("10","7","1","5","3","5","1") = "9"
    & skf18("10","7","1","5","3","6","1") = "9"
    & skf18("10","7","1","5","3","7","1") = "9"
    & skf18("10","7","1","5","3","8","1") = "9"
    & skf18("10","7","1","5","3","9","1") = "9"
    & skf18("10","7","1","5","3","10","1") = "9"
    & skf18("10","7","1","5","4","1","1") = "9"
    & skf18("10","7","1","5","4","2","1") = "9"
    & skf18("10","7","1","5","4","3","1") = "9"
    & skf18("10","7","1","5","4","4","1") = "9"
    & skf18("10","7","1","5","4","5","1") = "9"
    & skf18("10","7","1","5","4","6","1") = "9"
    & skf18("10","7","1","5","4","7","1") = "9"
    & skf18("10","7","1","5","4","8","1") = "9"
    & skf18("10","7","1","5","4","9","1") = "9"
    & skf18("10","7","1","5","4","10","1") = "9"
    & skf18("10","7","1","5","5","1","1") = "9"
    & skf18("10","7","1","5","5","2","1") = "9"
    & skf18("10","7","1","5","5","3","1") = "9"
    & skf18("10","7","1","5","5","4","1") = "9"
    & skf18("10","7","1","5","5","5","1") = "9"
    & skf18("10","7","1","5","5","6","1") = "9"
    & skf18("10","7","1","5","5","7","1") = "9"
    & skf18("10","7","1","5","5","8","1") = "9"
    & skf18("10","7","1","5","5","9","1") = "9"
    & skf18("10","7","1","5","5","10","1") = "9"
    & skf18("10","7","1","5","6","1","1") = "9"
    & skf18("10","7","1","5","6","2","1") = "9"
    & skf18("10","7","1","5","6","3","1") = "9"
    & skf18("10","7","1","5","6","4","1") = "9"
    & skf18("10","7","1","5","6","5","1") = "9"
    & skf18("10","7","1","5","6","6","1") = "9"
    & skf18("10","7","1","5","6","7","1") = "9"
    & skf18("10","7","1","5","6","8","1") = "9"
    & skf18("10","7","1","5","6","9","1") = "9"
    & skf18("10","7","1","5","6","10","1") = "9"
    & skf18("10","7","1","5","7","1","1") = "9"
    & skf18("10","7","1","5","7","2","1") = "9"
    & skf18("10","7","1","5","7","3","1") = "9"
    & skf18("10","7","1","5","7","4","1") = "9"
    & skf18("10","7","1","5","7","5","1") = "9"
    & skf18("10","7","1","5","7","6","1") = "9"
    & skf18("10","7","1","5","7","7","1") = "9"
    & skf18("10","7","1","5","7","8","1") = "9"
    & skf18("10","7","1","5","7","9","1") = "9"
    & skf18("10","7","1","5","7","10","1") = "9"
    & skf18("10","7","1","5","8","1","1") = "9"
    & skf18("10","7","1","5","8","2","1") = "9"
    & skf18("10","7","1","5","8","3","1") = "9"
    & skf18("10","7","1","5","8","4","1") = "9"
    & skf18("10","7","1","5","8","5","1") = "9"
    & skf18("10","7","1","5","8","6","1") = "9"
    & skf18("10","7","1","5","8","7","1") = "9"
    & skf18("10","7","1","5","8","8","1") = "9"
    & skf18("10","7","1","5","8","9","1") = "9"
    & skf18("10","7","1","5","8","10","1") = "9"
    & skf18("10","7","1","5","9","1","1") = "9"
    & skf18("10","7","1","5","9","2","1") = "9"
    & skf18("10","7","1","5","9","3","1") = "9"
    & skf18("10","7","1","5","9","4","1") = "9"
    & skf18("10","7","1","5","9","5","1") = "9"
    & skf18("10","7","1","5","9","6","1") = "9"
    & skf18("10","7","1","5","9","7","1") = "9"
    & skf18("10","7","1","5","9","8","1") = "9"
    & skf18("10","7","1","5","9","9","1") = "9"
    & skf18("10","7","1","5","9","10","1") = "9"
    & skf18("10","7","1","5","10","1","1") = "9"
    & skf18("10","7","1","5","10","2","1") = "9"
    & skf18("10","7","1","5","10","3","1") = "9"
    & skf18("10","7","1","5","10","4","1") = "9"
    & skf18("10","7","1","5","10","5","1") = "9"
    & skf18("10","7","1","5","10","6","1") = "9"
    & skf18("10","7","1","5","10","7","1") = "9"
    & skf18("10","7","1","5","10","8","1") = "9"
    & skf18("10","7","1","5","10","9","1") = "9"
    & skf18("10","7","1","5","10","10","1") = "9"
    & skf18("10","7","1","6","1","1","1") = "9"
    & skf18("10","7","1","6","1","2","1") = "9"
    & skf18("10","7","1","6","1","3","1") = "9"
    & skf18("10","7","1","6","1","4","1") = "9"
    & skf18("10","7","1","6","1","5","1") = "9"
    & skf18("10","7","1","6","1","6","1") = "9"
    & skf18("10","7","1","6","1","7","1") = "9"
    & skf18("10","7","1","6","1","8","1") = "9"
    & skf18("10","7","1","6","1","9","1") = "9"
    & skf18("10","7","1","6","1","10","1") = "9"
    & skf18("10","7","1","6","2","1","1") = "9"
    & skf18("10","7","1","6","2","2","1") = "9"
    & skf18("10","7","1","6","2","3","1") = "9"
    & skf18("10","7","1","6","2","4","1") = "9"
    & skf18("10","7","1","6","2","5","1") = "9"
    & skf18("10","7","1","6","2","6","1") = "9"
    & skf18("10","7","1","6","2","7","1") = "9"
    & skf18("10","7","1","6","2","8","1") = "9"
    & skf18("10","7","1","6","2","9","1") = "9"
    & skf18("10","7","1","6","2","10","1") = "9"
    & skf18("10","7","1","6","3","1","1") = "9"
    & skf18("10","7","1","6","3","2","1") = "9"
    & skf18("10","7","1","6","3","3","1") = "9"
    & skf18("10","7","1","6","3","4","1") = "9"
    & skf18("10","7","1","6","3","5","1") = "9"
    & skf18("10","7","1","6","3","6","1") = "9"
    & skf18("10","7","1","6","3","7","1") = "9"
    & skf18("10","7","1","6","3","8","1") = "9"
    & skf18("10","7","1","6","3","9","1") = "9"
    & skf18("10","7","1","6","3","10","1") = "9"
    & skf18("10","7","1","6","4","1","1") = "9"
    & skf18("10","7","1","6","4","2","1") = "9"
    & skf18("10","7","1","6","4","3","1") = "9"
    & skf18("10","7","1","6","4","4","1") = "9"
    & skf18("10","7","1","6","4","5","1") = "9"
    & skf18("10","7","1","6","4","6","1") = "9"
    & skf18("10","7","1","6","4","7","1") = "9"
    & skf18("10","7","1","6","4","8","1") = "9"
    & skf18("10","7","1","6","4","9","1") = "9"
    & skf18("10","7","1","6","4","10","1") = "9"
    & skf18("10","7","1","6","5","1","1") = "9"
    & skf18("10","7","1","6","5","2","1") = "9"
    & skf18("10","7","1","6","5","3","1") = "9"
    & skf18("10","7","1","6","5","4","1") = "9"
    & skf18("10","7","1","6","5","5","1") = "9"
    & skf18("10","7","1","6","5","6","1") = "9"
    & skf18("10","7","1","6","5","7","1") = "9"
    & skf18("10","7","1","6","5","8","1") = "9"
    & skf18("10","7","1","6","5","9","1") = "9"
    & skf18("10","7","1","6","5","10","1") = "9"
    & skf18("10","7","1","6","6","1","1") = "9"
    & skf18("10","7","1","6","6","2","1") = "9"
    & skf18("10","7","1","6","6","3","1") = "9"
    & skf18("10","7","1","6","6","4","1") = "9"
    & skf18("10","7","1","6","6","5","1") = "9"
    & skf18("10","7","1","6","6","6","1") = "9"
    & skf18("10","7","1","6","6","7","1") = "9"
    & skf18("10","7","1","6","6","8","1") = "9"
    & skf18("10","7","1","6","6","9","1") = "9"
    & skf18("10","7","1","6","6","10","1") = "9"
    & skf18("10","7","1","6","7","1","1") = "9"
    & skf18("10","7","1","6","7","2","1") = "9"
    & skf18("10","7","1","6","7","3","1") = "9"
    & skf18("10","7","1","6","7","4","1") = "9"
    & skf18("10","7","1","6","7","5","1") = "9"
    & skf18("10","7","1","6","7","6","1") = "9"
    & skf18("10","7","1","6","7","7","1") = "9"
    & skf18("10","7","1","6","7","8","1") = "9"
    & skf18("10","7","1","6","7","9","1") = "9"
    & skf18("10","7","1","6","7","10","1") = "9"
    & skf18("10","7","1","6","8","1","1") = "9"
    & skf18("10","7","1","6","8","2","1") = "9"
    & skf18("10","7","1","6","8","3","1") = "9"
    & skf18("10","7","1","6","8","4","1") = "9"
    & skf18("10","7","1","6","8","5","1") = "9"
    & skf18("10","7","1","6","8","6","1") = "9"
    & skf18("10","7","1","6","8","7","1") = "9"
    & skf18("10","7","1","6","8","8","1") = "9"
    & skf18("10","7","1","6","8","9","1") = "9"
    & skf18("10","7","1","6","8","10","1") = "9"
    & skf18("10","7","1","6","9","1","1") = "9"
    & skf18("10","7","1","6","9","2","1") = "9"
    & skf18("10","7","1","6","9","3","1") = "9"
    & skf18("10","7","1","6","9","4","1") = "9"
    & skf18("10","7","1","6","9","5","1") = "9"
    & skf18("10","7","1","6","9","6","1") = "9"
    & skf18("10","7","1","6","9","7","1") = "9"
    & skf18("10","7","1","6","9","8","1") = "9"
    & skf18("10","7","1","6","9","9","1") = "9"
    & skf18("10","7","1","6","9","10","1") = "9"
    & skf18("10","7","1","6","10","1","1") = "9"
    & skf18("10","7","1","6","10","2","1") = "9"
    & skf18("10","7","1","6","10","3","1") = "9"
    & skf18("10","7","1","6","10","4","1") = "9"
    & skf18("10","7","1","6","10","5","1") = "9"
    & skf18("10","7","1","6","10","6","1") = "9"
    & skf18("10","7","1","6","10","7","1") = "9"
    & skf18("10","7","1","6","10","8","1") = "9"
    & skf18("10","7","1","6","10","9","1") = "9"
    & skf18("10","7","1","6","10","10","1") = "9"
    & skf18("10","7","1","7","1","1","1") = "9"
    & skf18("10","7","1","7","1","2","1") = "9"
    & skf18("10","7","1","7","1","3","1") = "9"
    & skf18("10","7","1","7","1","4","1") = "9"
    & skf18("10","7","1","7","1","5","1") = "9"
    & skf18("10","7","1","7","1","6","1") = "9"
    & skf18("10","7","1","7","1","7","1") = "9"
    & skf18("10","7","1","7","1","8","1") = "9"
    & skf18("10","7","1","7","1","9","1") = "9"
    & skf18("10","7","1","7","1","10","1") = "9"
    & skf18("10","7","1","7","2","1","1") = "9"
    & skf18("10","7","1","7","2","2","1") = "9"
    & skf18("10","7","1","7","2","3","1") = "9"
    & skf18("10","7","1","7","2","4","1") = "9"
    & skf18("10","7","1","7","2","5","1") = "9"
    & skf18("10","7","1","7","2","6","1") = "9"
    & skf18("10","7","1","7","2","7","1") = "9"
    & skf18("10","7","1","7","2","8","1") = "9"
    & skf18("10","7","1","7","2","9","1") = "9"
    & skf18("10","7","1","7","2","10","1") = "9"
    & skf18("10","7","1","7","3","1","1") = "9"
    & skf18("10","7","1","7","3","2","1") = "9"
    & skf18("10","7","1","7","3","3","1") = "9"
    & skf18("10","7","1","7","3","4","1") = "9"
    & skf18("10","7","1","7","3","5","1") = "9"
    & skf18("10","7","1","7","3","6","1") = "9"
    & skf18("10","7","1","7","3","7","1") = "9"
    & skf18("10","7","1","7","3","8","1") = "9"
    & skf18("10","7","1","7","3","9","1") = "9"
    & skf18("10","7","1","7","3","10","1") = "9"
    & skf18("10","7","1","7","4","1","1") = "9"
    & skf18("10","7","1","7","4","2","1") = "9"
    & skf18("10","7","1","7","4","3","1") = "9"
    & skf18("10","7","1","7","4","4","1") = "9"
    & skf18("10","7","1","7","4","5","1") = "9"
    & skf18("10","7","1","7","4","6","1") = "9"
    & skf18("10","7","1","7","4","7","1") = "9"
    & skf18("10","7","1","7","4","8","1") = "9"
    & skf18("10","7","1","7","4","9","1") = "9"
    & skf18("10","7","1","7","4","10","1") = "9"
    & skf18("10","7","1","7","5","1","1") = "9"
    & skf18("10","7","1","7","5","2","1") = "9"
    & skf18("10","7","1","7","5","3","1") = "9"
    & skf18("10","7","1","7","5","4","1") = "9"
    & skf18("10","7","1","7","5","5","1") = "9"
    & skf18("10","7","1","7","5","6","1") = "9"
    & skf18("10","7","1","7","5","7","1") = "9"
    & skf18("10","7","1","7","5","8","1") = "9"
    & skf18("10","7","1","7","5","9","1") = "9"
    & skf18("10","7","1","7","5","10","1") = "9"
    & skf18("10","7","1","7","6","1","1") = "9"
    & skf18("10","7","1","7","6","2","1") = "9"
    & skf18("10","7","1","7","6","3","1") = "9"
    & skf18("10","7","1","7","6","4","1") = "9"
    & skf18("10","7","1","7","6","5","1") = "9"
    & skf18("10","7","1","7","6","6","1") = "9"
    & skf18("10","7","1","7","6","7","1") = "9"
    & skf18("10","7","1","7","6","8","1") = "9"
    & skf18("10","7","1","7","6","9","1") = "9"
    & skf18("10","7","1","7","6","10","1") = "9"
    & skf18("10","7","1","7","7","1","1") = "9"
    & skf18("10","7","1","7","7","2","1") = "9"
    & skf18("10","7","1","7","7","3","1") = "9"
    & skf18("10","7","1","7","7","4","1") = "9"
    & skf18("10","7","1","7","7","5","1") = "9"
    & skf18("10","7","1","7","7","6","1") = "9"
    & skf18("10","7","1","7","7","7","1") = "9"
    & skf18("10","7","1","7","7","8","1") = "9"
    & skf18("10","7","1","7","7","9","1") = "9"
    & skf18("10","7","1","7","7","10","1") = "9"
    & skf18("10","7","1","7","8","1","1") = "9"
    & skf18("10","7","1","7","8","2","1") = "9"
    & skf18("10","7","1","7","8","3","1") = "9"
    & skf18("10","7","1","7","8","4","1") = "9"
    & skf18("10","7","1","7","8","5","1") = "9"
    & skf18("10","7","1","7","8","6","1") = "9"
    & skf18("10","7","1","7","8","7","1") = "9"
    & skf18("10","7","1","7","8","8","1") = "9"
    & skf18("10","7","1","7","8","9","1") = "9"
    & skf18("10","7","1","7","8","10","1") = "9"
    & skf18("10","7","1","7","9","1","1") = "9"
    & skf18("10","7","1","7","9","2","1") = "9"
    & skf18("10","7","1","7","9","3","1") = "9"
    & skf18("10","7","1","7","9","4","1") = "9"
    & skf18("10","7","1","7","9","5","1") = "9"
    & skf18("10","7","1","7","9","6","1") = "9"
    & skf18("10","7","1","7","9","7","1") = "9"
    & skf18("10","7","1","7","9","8","1") = "9"
    & skf18("10","7","1","7","9","9","1") = "9"
    & skf18("10","7","1","7","9","10","1") = "9"
    & skf18("10","7","1","7","10","1","1") = "9"
    & skf18("10","7","1","7","10","2","1") = "9"
    & skf18("10","7","1","7","10","3","1") = "9"
    & skf18("10","7","1","7","10","4","1") = "9"
    & skf18("10","7","1","7","10","5","1") = "9"
    & skf18("10","7","1","7","10","6","1") = "9"
    & skf18("10","7","1","7","10","7","1") = "9"
    & skf18("10","7","1","7","10","8","1") = "9"
    & skf18("10","7","1","7","10","9","1") = "9"
    & skf18("10","7","1","7","10","10","1") = "9"
    & skf18("10","7","1","8","1","1","1") = "9"
    & skf18("10","7","1","8","1","2","1") = "9"
    & skf18("10","7","1","8","1","3","1") = "9"
    & skf18("10","7","1","8","1","4","1") = "9"
    & skf18("10","7","1","8","1","5","1") = "9"
    & skf18("10","7","1","8","1","6","1") = "9"
    & skf18("10","7","1","8","1","7","1") = "9"
    & skf18("10","7","1","8","1","8","1") = "9"
    & skf18("10","7","1","8","1","9","1") = "9"
    & skf18("10","7","1","8","1","10","1") = "9"
    & skf18("10","7","1","8","2","1","1") = "9"
    & skf18("10","7","1","8","2","2","1") = "9"
    & skf18("10","7","1","8","2","3","1") = "9"
    & skf18("10","7","1","8","2","4","1") = "9"
    & skf18("10","7","1","8","2","5","1") = "9"
    & skf18("10","7","1","8","2","6","1") = "9"
    & skf18("10","7","1","8","2","7","1") = "9"
    & skf18("10","7","1","8","2","8","1") = "9"
    & skf18("10","7","1","8","2","9","1") = "9"
    & skf18("10","7","1","8","2","10","1") = "9"
    & skf18("10","7","1","8","3","1","1") = "9"
    & skf18("10","7","1","8","3","2","1") = "9"
    & skf18("10","7","1","8","3","3","1") = "9"
    & skf18("10","7","1","8","3","4","1") = "9"
    & skf18("10","7","1","8","3","5","1") = "9"
    & skf18("10","7","1","8","3","6","1") = "9"
    & skf18("10","7","1","8","3","7","1") = "9"
    & skf18("10","7","1","8","3","8","1") = "9"
    & skf18("10","7","1","8","3","9","1") = "9"
    & skf18("10","7","1","8","3","10","1") = "9"
    & skf18("10","7","1","8","4","1","1") = "9"
    & skf18("10","7","1","8","4","2","1") = "9"
    & skf18("10","7","1","8","4","3","1") = "9"
    & skf18("10","7","1","8","4","4","1") = "9"
    & skf18("10","7","1","8","4","5","1") = "9"
    & skf18("10","7","1","8","4","6","1") = "9"
    & skf18("10","7","1","8","4","7","1") = "9"
    & skf18("10","7","1","8","4","8","1") = "9"
    & skf18("10","7","1","8","4","9","1") = "9"
    & skf18("10","7","1","8","4","10","1") = "9"
    & skf18("10","7","1","8","5","1","1") = "9"
    & skf18("10","7","1","8","5","2","1") = "9"
    & skf18("10","7","1","8","5","3","1") = "9"
    & skf18("10","7","1","8","5","4","1") = "9"
    & skf18("10","7","1","8","5","5","1") = "9"
    & skf18("10","7","1","8","5","6","1") = "9"
    & skf18("10","7","1","8","5","7","1") = "9"
    & skf18("10","7","1","8","5","8","1") = "9"
    & skf18("10","7","1","8","5","9","1") = "9"
    & skf18("10","7","1","8","5","10","1") = "9"
    & skf18("10","7","1","8","6","1","1") = "9"
    & skf18("10","7","1","8","6","2","1") = "9"
    & skf18("10","7","1","8","6","3","1") = "9"
    & skf18("10","7","1","8","6","4","1") = "9"
    & skf18("10","7","1","8","6","5","1") = "9"
    & skf18("10","7","1","8","6","6","1") = "9"
    & skf18("10","7","1","8","6","7","1") = "9"
    & skf18("10","7","1","8","6","8","1") = "9"
    & skf18("10","7","1","8","6","9","1") = "9"
    & skf18("10","7","1","8","6","10","1") = "9"
    & skf18("10","7","1","8","7","1","1") = "9"
    & skf18("10","7","1","8","7","2","1") = "9"
    & skf18("10","7","1","8","7","3","1") = "9"
    & skf18("10","7","1","8","7","4","1") = "9"
    & skf18("10","7","1","8","7","5","1") = "9"
    & skf18("10","7","1","8","7","6","1") = "9"
    & skf18("10","7","1","8","7","7","1") = "9"
    & skf18("10","7","1","8","7","8","1") = "9"
    & skf18("10","7","1","8","7","9","1") = "9"
    & skf18("10","7","1","8","7","10","1") = "9"
    & skf18("10","7","1","8","8","1","1") = "9"
    & skf18("10","7","1","8","8","2","1") = "9"
    & skf18("10","7","1","8","8","3","1") = "9"
    & skf18("10","7","1","8","8","4","1") = "9"
    & skf18("10","7","1","8","8","5","1") = "9"
    & skf18("10","7","1","8","8","6","1") = "9"
    & skf18("10","7","1","8","8","7","1") = "9"
    & skf18("10","7","1","8","8","8","1") = "9"
    & skf18("10","7","1","8","8","9","1") = "9"
    & skf18("10","7","1","8","8","10","1") = "9"
    & skf18("10","7","1","8","9","1","1") = "9"
    & skf18("10","7","1","8","9","2","1") = "9"
    & skf18("10","7","1","8","9","3","1") = "9"
    & skf18("10","7","1","8","9","4","1") = "9"
    & skf18("10","7","1","8","9","5","1") = "9"
    & skf18("10","7","1","8","9","6","1") = "9"
    & skf18("10","7","1","8","9","7","1") = "9"
    & skf18("10","7","1","8","9","8","1") = "9"
    & skf18("10","7","1","8","9","9","1") = "9"
    & skf18("10","7","1","8","9","10","1") = "9"
    & skf18("10","7","1","8","10","1","1") = "9"
    & skf18("10","7","1","8","10","2","1") = "9"
    & skf18("10","7","1","8","10","3","1") = "9"
    & skf18("10","7","1","8","10","4","1") = "9"
    & skf18("10","7","1","8","10","5","1") = "9"
    & skf18("10","7","1","8","10","6","1") = "9"
    & skf18("10","7","1","8","10","7","1") = "9"
    & skf18("10","7","1","8","10","8","1") = "9"
    & skf18("10","7","1","8","10","9","1") = "9"
    & skf18("10","7","1","8","10","10","1") = "9"
    & skf18("10","7","1","9","1","1","1") = "9"
    & skf18("10","7","1","9","1","2","1") = "9"
    & skf18("10","7","1","9","1","3","1") = "9"
    & skf18("10","7","1","9","1","4","1") = "9"
    & skf18("10","7","1","9","1","5","1") = "9"
    & skf18("10","7","1","9","1","6","1") = "9"
    & skf18("10","7","1","9","1","7","1") = "9"
    & skf18("10","7","1","9","1","8","1") = "9"
    & skf18("10","7","1","9","1","9","1") = "9"
    & skf18("10","7","1","9","1","10","1") = "9"
    & skf18("10","7","1","9","2","1","1") = "9"
    & skf18("10","7","1","9","2","2","1") = "9"
    & skf18("10","7","1","9","2","3","1") = "9"
    & skf18("10","7","1","9","2","4","1") = "9"
    & skf18("10","7","1","9","2","5","1") = "9"
    & skf18("10","7","1","9","2","6","1") = "9"
    & skf18("10","7","1","9","2","7","1") = "9"
    & skf18("10","7","1","9","2","8","1") = "9"
    & skf18("10","7","1","9","2","9","1") = "9"
    & skf18("10","7","1","9","2","10","1") = "9"
    & skf18("10","7","1","9","3","1","1") = "9"
    & skf18("10","7","1","9","3","2","1") = "9"
    & skf18("10","7","1","9","3","3","1") = "9"
    & skf18("10","7","1","9","3","4","1") = "9"
    & skf18("10","7","1","9","3","5","1") = "9"
    & skf18("10","7","1","9","3","6","1") = "9"
    & skf18("10","7","1","9","3","7","1") = "9"
    & skf18("10","7","1","9","3","8","1") = "9"
    & skf18("10","7","1","9","3","9","1") = "9"
    & skf18("10","7","1","9","3","10","1") = "9"
    & skf18("10","7","1","9","4","1","1") = "9"
    & skf18("10","7","1","9","4","2","1") = "9"
    & skf18("10","7","1","9","4","3","1") = "9"
    & skf18("10","7","1","9","4","4","1") = "9"
    & skf18("10","7","1","9","4","5","1") = "9"
    & skf18("10","7","1","9","4","6","1") = "9"
    & skf18("10","7","1","9","4","7","1") = "9"
    & skf18("10","7","1","9","4","8","1") = "9"
    & skf18("10","7","1","9","4","9","1") = "9"
    & skf18("10","7","1","9","4","10","1") = "9"
    & skf18("10","7","1","9","5","1","1") = "9"
    & skf18("10","7","1","9","5","2","1") = "9"
    & skf18("10","7","1","9","5","3","1") = "9"
    & skf18("10","7","1","9","5","4","1") = "9"
    & skf18("10","7","1","9","5","5","1") = "9"
    & skf18("10","7","1","9","5","6","1") = "9"
    & skf18("10","7","1","9","5","7","1") = "9"
    & skf18("10","7","1","9","5","8","1") = "9"
    & skf18("10","7","1","9","5","9","1") = "9"
    & skf18("10","7","1","9","5","10","1") = "9"
    & skf18("10","7","1","9","6","1","1") = "9"
    & skf18("10","7","1","9","6","2","1") = "9"
    & skf18("10","7","1","9","6","3","1") = "9"
    & skf18("10","7","1","9","6","4","1") = "9"
    & skf18("10","7","1","9","6","5","1") = "9"
    & skf18("10","7","1","9","6","6","1") = "9"
    & skf18("10","7","1","9","6","7","1") = "9"
    & skf18("10","7","1","9","6","8","1") = "9"
    & skf18("10","7","1","9","6","9","1") = "9"
    & skf18("10","7","1","9","6","10","1") = "9"
    & skf18("10","7","1","9","7","1","1") = "9"
    & skf18("10","7","1","9","7","2","1") = "9"
    & skf18("10","7","1","9","7","3","1") = "9"
    & skf18("10","7","1","9","7","4","1") = "9"
    & skf18("10","7","1","9","7","5","1") = "9"
    & skf18("10","7","1","9","7","6","1") = "9"
    & skf18("10","7","1","9","7","7","1") = "9"
    & skf18("10","7","1","9","7","8","1") = "9"
    & skf18("10","7","1","9","7","9","1") = "9"
    & skf18("10","7","1","9","7","10","1") = "9"
    & skf18("10","7","1","9","8","1","1") = "9"
    & skf18("10","7","1","9","8","2","1") = "9"
    & skf18("10","7","1","9","8","3","1") = "9"
    & skf18("10","7","1","9","8","4","1") = "9"
    & skf18("10","7","1","9","8","5","1") = "9"
    & skf18("10","7","1","9","8","6","1") = "9"
    & skf18("10","7","1","9","8","7","1") = "9"
    & skf18("10","7","1","9","8","8","1") = "9"
    & skf18("10","7","1","9","8","9","1") = "9"
    & skf18("10","7","1","9","8","10","1") = "9"
    & skf18("10","7","1","9","9","1","1") = "9"
    & skf18("10","7","1","9","9","2","1") = "9"
    & skf18("10","7","1","9","9","3","1") = "9"
    & skf18("10","7","1","9","9","4","1") = "9"
    & skf18("10","7","1","9","9","5","1") = "9"
    & skf18("10","7","1","9","9","6","1") = "9"
    & skf18("10","7","1","9","9","7","1") = "9"
    & skf18("10","7","1","9","9","8","1") = "9"
    & skf18("10","7","1","9","9","9","1") = "9"
    & skf18("10","7","1","9","9","10","1") = "9"
    & skf18("10","7","1","9","10","1","1") = "9"
    & skf18("10","7","1","9","10","2","1") = "9"
    & skf18("10","7","1","9","10","3","1") = "9"
    & skf18("10","7","1","9","10","4","1") = "9"
    & skf18("10","7","1","9","10","5","1") = "9"
    & skf18("10","7","1","9","10","6","1") = "9"
    & skf18("10","7","1","9","10","7","1") = "9"
    & skf18("10","7","1","9","10","8","1") = "9"
    & skf18("10","7","1","9","10","9","1") = "9"
    & skf18("10","7","1","9","10","10","1") = "9"
    & skf18("10","7","1","10","1","1","1") = "9"
    & skf18("10","7","1","10","1","2","1") = "9"
    & skf18("10","7","1","10","1","3","1") = "9"
    & skf18("10","7","1","10","1","4","1") = "9"
    & skf18("10","7","1","10","1","5","1") = "9"
    & skf18("10","7","1","10","1","6","1") = "9"
    & skf18("10","7","1","10","1","7","1") = "9"
    & skf18("10","7","1","10","1","8","1") = "9"
    & skf18("10","7","1","10","1","9","1") = "9"
    & skf18("10","7","1","10","1","10","1") = "9"
    & skf18("10","7","1","10","2","1","1") = "9"
    & skf18("10","7","1","10","2","2","1") = "9"
    & skf18("10","7","1","10","2","3","1") = "9"
    & skf18("10","7","1","10","2","4","1") = "9"
    & skf18("10","7","1","10","2","5","1") = "9"
    & skf18("10","7","1","10","2","6","1") = "9"
    & skf18("10","7","1","10","2","7","1") = "9"
    & skf18("10","7","1","10","2","8","1") = "9"
    & skf18("10","7","1","10","2","9","1") = "9"
    & skf18("10","7","1","10","2","10","1") = "9"
    & skf18("10","7","1","10","3","1","1") = "9"
    & skf18("10","7","1","10","3","2","1") = "9"
    & skf18("10","7","1","10","3","3","1") = "9"
    & skf18("10","7","1","10","3","4","1") = "9"
    & skf18("10","7","1","10","3","5","1") = "9"
    & skf18("10","7","1","10","3","6","1") = "9"
    & skf18("10","7","1","10","3","7","1") = "9"
    & skf18("10","7","1","10","3","8","1") = "9"
    & skf18("10","7","1","10","3","9","1") = "9"
    & skf18("10","7","1","10","3","10","1") = "9"
    & skf18("10","7","1","10","4","1","1") = "9"
    & skf18("10","7","1","10","4","2","1") = "9"
    & skf18("10","7","1","10","4","3","1") = "9"
    & skf18("10","7","1","10","4","4","1") = "9"
    & skf18("10","7","1","10","4","5","1") = "9"
    & skf18("10","7","1","10","4","6","1") = "9"
    & skf18("10","7","1","10","4","7","1") = "9"
    & skf18("10","7","1","10","4","8","1") = "9"
    & skf18("10","7","1","10","4","9","1") = "9"
    & skf18("10","7","1","10","4","10","1") = "9"
    & skf18("10","7","1","10","5","1","1") = "9"
    & skf18("10","7","1","10","5","2","1") = "9"
    & skf18("10","7","1","10","5","3","1") = "9"
    & skf18("10","7","1","10","5","4","1") = "9"
    & skf18("10","7","1","10","5","5","1") = "9"
    & skf18("10","7","1","10","5","6","1") = "9"
    & skf18("10","7","1","10","5","7","1") = "9"
    & skf18("10","7","1","10","5","8","1") = "9"
    & skf18("10","7","1","10","5","9","1") = "9"
    & skf18("10","7","1","10","5","10","1") = "9"
    & skf18("10","7","1","10","6","1","1") = "9"
    & skf18("10","7","1","10","6","2","1") = "9"
    & skf18("10","7","1","10","6","3","1") = "9"
    & skf18("10","7","1","10","6","4","1") = "9"
    & skf18("10","7","1","10","6","5","1") = "9"
    & skf18("10","7","1","10","6","6","1") = "9"
    & skf18("10","7","1","10","6","7","1") = "9"
    & skf18("10","7","1","10","6","8","1") = "9"
    & skf18("10","7","1","10","6","9","1") = "9"
    & skf18("10","7","1","10","6","10","1") = "9"
    & skf18("10","7","1","10","7","1","1") = "9"
    & skf18("10","7","1","10","7","2","1") = "9"
    & skf18("10","7","1","10","7","3","1") = "9"
    & skf18("10","7","1","10","7","4","1") = "9"
    & skf18("10","7","1","10","7","5","1") = "9"
    & skf18("10","7","1","10","7","6","1") = "9"
    & skf18("10","7","1","10","7","7","1") = "9"
    & skf18("10","7","1","10","7","8","1") = "9"
    & skf18("10","7","1","10","7","9","1") = "9"
    & skf18("10","7","1","10","7","10","1") = "9"
    & skf18("10","7","1","10","8","1","1") = "9"
    & skf18("10","7","1","10","8","2","1") = "9"
    & skf18("10","7","1","10","8","3","1") = "9"
    & skf18("10","7","1","10","8","4","1") = "9"
    & skf18("10","7","1","10","8","5","1") = "9"
    & skf18("10","7","1","10","8","6","1") = "9"
    & skf18("10","7","1","10","8","7","1") = "9"
    & skf18("10","7","1","10","8","8","1") = "9"
    & skf18("10","7","1","10","8","9","1") = "9"
    & skf18("10","7","1","10","8","10","1") = "9"
    & skf18("10","7","1","10","9","1","1") = "9"
    & skf18("10","7","1","10","9","2","1") = "9"
    & skf18("10","7","1","10","9","3","1") = "9"
    & skf18("10","7","1","10","9","4","1") = "9"
    & skf18("10","7","1","10","9","5","1") = "9"
    & skf18("10","7","1","10","9","6","1") = "9"
    & skf18("10","7","1","10","9","7","1") = "9"
    & skf18("10","7","1","10","9","8","1") = "9"
    & skf18("10","7","1","10","9","9","1") = "9"
    & skf18("10","7","1","10","9","10","1") = "9"
    & skf18("10","7","1","10","10","1","1") = "9"
    & skf18("10","7","1","10","10","2","1") = "9"
    & skf18("10","7","1","10","10","3","1") = "9"
    & skf18("10","7","1","10","10","4","1") = "9"
    & skf18("10","7","1","10","10","5","1") = "9"
    & skf18("10","7","1","10","10","6","1") = "9"
    & skf18("10","7","1","10","10","7","1") = "9"
    & skf18("10","7","1","10","10","8","1") = "9"
    & skf18("10","7","1","10","10","9","1") = "9"
    & skf18("10","7","1","10","10","10","1") = "9"
    & skf18("10","7","2","1","1","1","1") = "9"
    & skf18("10","7","2","1","1","2","1") = "9"
    & skf18("10","7","2","1","1","3","1") = "9"
    & skf18("10","7","2","1","1","4","1") = "9"
    & skf18("10","7","2","1","1","5","1") = "9"
    & skf18("10","7","2","1","1","6","1") = "9"
    & skf18("10","7","2","1","1","7","1") = "9"
    & skf18("10","7","2","1","1","8","1") = "9"
    & skf18("10","7","2","1","1","9","1") = "9"
    & skf18("10","7","2","1","1","10","1") = "9"
    & skf18("10","7","2","1","2","1","1") = "9"
    & skf18("10","7","2","1","2","2","1") = "9"
    & skf18("10","7","2","1","2","3","1") = "9"
    & skf18("10","7","2","1","2","4","1") = "9"
    & skf18("10","7","2","1","2","5","1") = "9"
    & skf18("10","7","2","1","2","6","1") = "9"
    & skf18("10","7","2","1","2","7","1") = "9"
    & skf18("10","7","2","1","2","8","1") = "9"
    & skf18("10","7","2","1","2","9","1") = "9"
    & skf18("10","7","2","1","2","10","1") = "9"
    & skf18("10","7","2","1","3","1","1") = "9"
    & skf18("10","7","2","1","3","2","1") = "9"
    & skf18("10","7","2","1","3","3","1") = "9"
    & skf18("10","7","2","1","3","4","1") = "9"
    & skf18("10","7","2","1","3","5","1") = "9"
    & skf18("10","7","2","1","3","6","1") = "9"
    & skf18("10","7","2","1","3","7","1") = "9"
    & skf18("10","7","2","1","3","8","1") = "9"
    & skf18("10","7","2","1","3","9","1") = "9"
    & skf18("10","7","2","1","3","10","1") = "9"
    & skf18("10","7","2","1","4","1","1") = "9"
    & skf18("10","7","2","1","4","2","1") = "9"
    & skf18("10","7","2","1","4","3","1") = "9"
    & skf18("10","7","2","1","4","4","1") = "9"
    & skf18("10","7","2","1","4","5","1") = "9"
    & skf18("10","7","2","1","4","6","1") = "9"
    & skf18("10","7","2","1","4","7","1") = "9"
    & skf18("10","7","2","1","4","8","1") = "9"
    & skf18("10","7","2","1","4","9","1") = "9"
    & skf18("10","7","2","1","4","10","1") = "9"
    & skf18("10","7","2","1","5","1","1") = "9"
    & skf18("10","7","2","1","5","2","1") = "9"
    & skf18("10","7","2","1","5","3","1") = "9"
    & skf18("10","7","2","1","5","4","1") = "9"
    & skf18("10","7","2","1","5","5","1") = "9"
    & skf18("10","7","2","1","5","6","1") = "9"
    & skf18("10","7","2","1","5","7","1") = "9"
    & skf18("10","7","2","1","5","8","1") = "9"
    & skf18("10","7","2","1","5","9","1") = "9"
    & skf18("10","7","2","1","5","10","1") = "9"
    & skf18("10","7","2","1","6","1","1") = "9"
    & skf18("10","7","2","1","6","2","1") = "9"
    & skf18("10","7","2","1","6","3","1") = "9"
    & skf18("10","7","2","1","6","4","1") = "9"
    & skf18("10","7","2","1","6","5","1") = "9"
    & skf18("10","7","2","1","6","6","1") = "9"
    & skf18("10","7","2","1","6","7","1") = "9"
    & skf18("10","7","2","1","6","8","1") = "9"
    & skf18("10","7","2","1","6","9","1") = "9"
    & skf18("10","7","2","1","6","10","1") = "9"
    & skf18("10","7","2","1","7","1","1") = "9"
    & skf18("10","7","2","1","7","2","1") = "9"
    & skf18("10","7","2","1","7","3","1") = "9"
    & skf18("10","7","2","1","7","4","1") = "9"
    & skf18("10","7","2","1","7","5","1") = "9"
    & skf18("10","7","2","1","7","6","1") = "9"
    & skf18("10","7","2","1","7","7","1") = "9"
    & skf18("10","7","2","1","7","8","1") = "9"
    & skf18("10","7","2","1","7","9","1") = "9"
    & skf18("10","7","2","1","7","10","1") = "9"
    & skf18("10","7","2","1","8","1","1") = "9"
    & skf18("10","7","2","1","8","2","1") = "9"
    & skf18("10","7","2","1","8","3","1") = "9"
    & skf18("10","7","2","1","8","4","1") = "9"
    & skf18("10","7","2","1","8","5","1") = "9"
    & skf18("10","7","2","1","8","6","1") = "9"
    & skf18("10","7","2","1","8","7","1") = "9"
    & skf18("10","7","2","1","8","8","1") = "9"
    & skf18("10","7","2","1","8","9","1") = "9"
    & skf18("10","7","2","1","8","10","1") = "9"
    & skf18("10","7","2","1","9","1","1") = "9"
    & skf18("10","7","2","1","9","2","1") = "9"
    & skf18("10","7","2","1","9","3","1") = "9"
    & skf18("10","7","2","1","9","4","1") = "9"
    & skf18("10","7","2","1","9","5","1") = "9"
    & skf18("10","7","2","1","9","6","1") = "9"
    & skf18("10","7","2","1","9","7","1") = "9"
    & skf18("10","7","2","1","9","8","1") = "9"
    & skf18("10","7","2","1","9","9","1") = "9"
    & skf18("10","7","2","1","9","10","1") = "9"
    & skf18("10","7","2","1","10","1","1") = "9"
    & skf18("10","7","2","1","10","2","1") = "9"
    & skf18("10","7","2","1","10","3","1") = "9"
    & skf18("10","7","2","1","10","4","1") = "9"
    & skf18("10","7","2","1","10","5","1") = "9"
    & skf18("10","7","2","1","10","6","1") = "9"
    & skf18("10","7","2","1","10","7","1") = "9"
    & skf18("10","7","2","1","10","8","1") = "9"
    & skf18("10","7","2","1","10","9","1") = "9"
    & skf18("10","7","2","1","10","10","1") = "9"
    & skf18("10","7","2","2","1","1","1") = "9"
    & skf18("10","7","2","2","1","2","1") = "9"
    & skf18("10","7","2","2","1","3","1") = "9"
    & skf18("10","7","2","2","1","4","1") = "9"
    & skf18("10","7","2","2","1","5","1") = "9"
    & skf18("10","7","2","2","1","6","1") = "9"
    & skf18("10","7","2","2","1","7","1") = "9"
    & skf18("10","7","2","2","1","8","1") = "9"
    & skf18("10","7","2","2","1","9","1") = "9"
    & skf18("10","7","2","2","1","10","1") = "9"
    & skf18("10","7","2","2","2","1","1") = "9"
    & skf18("10","7","2","2","2","2","1") = "9"
    & skf18("10","7","2","2","2","3","1") = "9"
    & skf18("10","7","2","2","2","4","1") = "9"
    & skf18("10","7","2","2","2","5","1") = "9"
    & skf18("10","7","2","2","2","6","1") = "9"
    & skf18("10","7","2","2","2","7","1") = "9"
    & skf18("10","7","2","2","2","8","1") = "9"
    & skf18("10","7","2","2","2","9","1") = "9"
    & skf18("10","7","2","2","2","10","1") = "9"
    & skf18("10","7","2","2","3","1","1") = "9"
    & skf18("10","7","2","2","3","2","1") = "9"
    & skf18("10","7","2","2","3","3","1") = "9"
    & skf18("10","7","2","2","3","4","1") = "9"
    & skf18("10","7","2","2","3","5","1") = "9"
    & skf18("10","7","2","2","3","6","1") = "9"
    & skf18("10","7","2","2","3","7","1") = "9"
    & skf18("10","7","2","2","3","8","1") = "9"
    & skf18("10","7","2","2","3","9","1") = "9"
    & skf18("10","7","2","2","3","10","1") = "9"
    & skf18("10","7","2","2","4","1","1") = "9"
    & skf18("10","7","2","2","4","2","1") = "9"
    & skf18("10","7","2","2","4","3","1") = "9"
    & skf18("10","7","2","2","4","4","1") = "9"
    & skf18("10","7","2","2","4","5","1") = "9"
    & skf18("10","7","2","2","4","6","1") = "9"
    & skf18("10","7","2","2","4","7","1") = "9"
    & skf18("10","7","2","2","4","8","1") = "9"
    & skf18("10","7","2","2","4","9","1") = "9"
    & skf18("10","7","2","2","4","10","1") = "9"
    & skf18("10","7","2","2","5","1","1") = "9"
    & skf18("10","7","2","2","5","2","1") = "9"
    & skf18("10","7","2","2","5","3","1") = "9"
    & skf18("10","7","2","2","5","4","1") = "9"
    & skf18("10","7","2","2","5","5","1") = "9"
    & skf18("10","7","2","2","5","6","1") = "9"
    & skf18("10","7","2","2","5","7","1") = "9"
    & skf18("10","7","2","2","5","8","1") = "9"
    & skf18("10","7","2","2","5","9","1") = "9"
    & skf18("10","7","2","2","5","10","1") = "9"
    & skf18("10","7","2","2","6","1","1") = "9"
    & skf18("10","7","2","2","6","2","1") = "9"
    & skf18("10","7","2","2","6","3","1") = "9"
    & skf18("10","7","2","2","6","4","1") = "9"
    & skf18("10","7","2","2","6","5","1") = "9"
    & skf18("10","7","2","2","6","6","1") = "9"
    & skf18("10","7","2","2","6","7","1") = "9"
    & skf18("10","7","2","2","6","8","1") = "9"
    & skf18("10","7","2","2","6","9","1") = "9"
    & skf18("10","7","2","2","6","10","1") = "9"
    & skf18("10","7","2","2","7","1","1") = "9"
    & skf18("10","7","2","2","7","2","1") = "9"
    & skf18("10","7","2","2","7","3","1") = "9"
    & skf18("10","7","2","2","7","4","1") = "9"
    & skf18("10","7","2","2","7","5","1") = "9"
    & skf18("10","7","2","2","7","6","1") = "9"
    & skf18("10","7","2","2","7","7","1") = "9"
    & skf18("10","7","2","2","7","8","1") = "9"
    & skf18("10","7","2","2","7","9","1") = "9"
    & skf18("10","7","2","2","7","10","1") = "9"
    & skf18("10","7","2","2","8","1","1") = "9"
    & skf18("10","7","2","2","8","2","1") = "9"
    & skf18("10","7","2","2","8","3","1") = "9"
    & skf18("10","7","2","2","8","4","1") = "9"
    & skf18("10","7","2","2","8","5","1") = "9"
    & skf18("10","7","2","2","8","6","1") = "9"
    & skf18("10","7","2","2","8","7","1") = "9"
    & skf18("10","7","2","2","8","8","1") = "9"
    & skf18("10","7","2","2","8","9","1") = "9"
    & skf18("10","7","2","2","8","10","1") = "9"
    & skf18("10","7","2","2","9","1","1") = "9"
    & skf18("10","7","2","2","9","2","1") = "9"
    & skf18("10","7","2","2","9","3","1") = "9"
    & skf18("10","7","2","2","9","4","1") = "9"
    & skf18("10","7","2","2","9","5","1") = "9"
    & skf18("10","7","2","2","9","6","1") = "9"
    & skf18("10","7","2","2","9","7","1") = "9"
    & skf18("10","7","2","2","9","8","1") = "9"
    & skf18("10","7","2","2","9","9","1") = "9"
    & skf18("10","7","2","2","9","10","1") = "9"
    & skf18("10","7","2","2","10","1","1") = "9"
    & skf18("10","7","2","2","10","2","1") = "9"
    & skf18("10","7","2","2","10","3","1") = "9"
    & skf18("10","7","2","2","10","4","1") = "9"
    & skf18("10","7","2","2","10","5","1") = "9"
    & skf18("10","7","2","2","10","6","1") = "9"
    & skf18("10","7","2","2","10","7","1") = "9"
    & skf18("10","7","2","2","10","8","1") = "9"
    & skf18("10","7","2","2","10","9","1") = "9"
    & skf18("10","7","2","2","10","10","1") = "9"
    & skf18("10","7","2","3","1","1","1") = "9"
    & skf18("10","7","2","3","1","2","1") = "9"
    & skf18("10","7","2","3","1","3","1") = "9"
    & skf18("10","7","2","3","1","4","1") = "9"
    & skf18("10","7","2","3","1","5","1") = "9"
    & skf18("10","7","2","3","1","6","1") = "9"
    & skf18("10","7","2","3","1","7","1") = "9"
    & skf18("10","7","2","3","1","8","1") = "9"
    & skf18("10","7","2","3","1","9","1") = "9"
    & skf18("10","7","2","3","1","10","1") = "9"
    & skf18("10","7","2","3","2","1","1") = "9"
    & skf18("10","7","2","3","2","2","1") = "9"
    & skf18("10","7","2","3","2","3","1") = "9"
    & skf18("10","7","2","3","2","4","1") = "9"
    & skf18("10","7","2","3","2","5","1") = "9"
    & skf18("10","7","2","3","2","6","1") = "9"
    & skf18("10","7","2","3","2","7","1") = "9"
    & skf18("10","7","2","3","2","8","1") = "9"
    & skf18("10","7","2","3","2","9","1") = "9"
    & skf18("10","7","2","3","2","10","1") = "9"
    & skf18("10","7","2","3","3","1","1") = "9"
    & skf18("10","7","2","3","3","2","1") = "9"
    & skf18("10","7","2","3","3","3","1") = "9"
    & skf18("10","7","2","3","3","4","1") = "9"
    & skf18("10","7","2","3","3","5","1") = "9"
    & skf18("10","7","2","3","3","6","1") = "9"
    & skf18("10","7","2","3","3","7","1") = "9"
    & skf18("10","7","2","3","3","8","1") = "9"
    & skf18("10","7","2","3","3","9","1") = "9"
    & skf18("10","7","2","3","3","10","1") = "9"
    & skf18("10","7","2","3","4","1","1") = "9"
    & skf18("10","7","2","3","4","2","1") = "9"
    & skf18("10","7","2","3","4","3","1") = "9"
    & skf18("10","7","2","3","4","4","1") = "9"
    & skf18("10","7","2","3","4","5","1") = "9"
    & skf18("10","7","2","3","4","6","1") = "9"
    & skf18("10","7","2","3","4","7","1") = "9"
    & skf18("10","7","2","3","4","8","1") = "9"
    & skf18("10","7","2","3","4","9","1") = "9"
    & skf18("10","7","2","3","4","10","1") = "9"
    & skf18("10","7","2","3","5","1","1") = "9"
    & skf18("10","7","2","3","5","2","1") = "9"
    & skf18("10","7","2","3","5","3","1") = "9"
    & skf18("10","7","2","3","5","4","1") = "9"
    & skf18("10","7","2","3","5","5","1") = "9"
    & skf18("10","7","2","3","5","6","1") = "9"
    & skf18("10","7","2","3","5","7","1") = "9"
    & skf18("10","7","2","3","5","8","1") = "9"
    & skf18("10","7","2","3","5","9","1") = "9"
    & skf18("10","7","2","3","5","10","1") = "9"
    & skf18("10","7","2","3","6","1","1") = "9"
    & skf18("10","7","2","3","6","2","1") = "9"
    & skf18("10","7","2","3","6","3","1") = "9"
    & skf18("10","7","2","3","6","4","1") = "9"
    & skf18("10","7","2","3","6","5","1") = "9"
    & skf18("10","7","2","3","6","6","1") = "9"
    & skf18("10","7","2","3","6","7","1") = "9"
    & skf18("10","7","2","3","6","8","1") = "9"
    & skf18("10","7","2","3","6","9","1") = "9"
    & skf18("10","7","2","3","6","10","1") = "9"
    & skf18("10","7","2","3","7","1","1") = "9"
    & skf18("10","7","2","3","7","2","1") = "9"
    & skf18("10","7","2","3","7","3","1") = "9"
    & skf18("10","7","2","3","7","4","1") = "9"
    & skf18("10","7","2","3","7","5","1") = "9"
    & skf18("10","7","2","3","7","6","1") = "9"
    & skf18("10","7","2","3","7","7","1") = "9"
    & skf18("10","7","2","3","7","8","1") = "9"
    & skf18("10","7","2","3","7","9","1") = "9"
    & skf18("10","7","2","3","7","10","1") = "9"
    & skf18("10","7","2","3","8","1","1") = "9"
    & skf18("10","7","2","3","8","2","1") = "9"
    & skf18("10","7","2","3","8","3","1") = "9"
    & skf18("10","7","2","3","8","4","1") = "9"
    & skf18("10","7","2","3","8","5","1") = "9"
    & skf18("10","7","2","3","8","6","1") = "9"
    & skf18("10","7","2","3","8","7","1") = "9"
    & skf18("10","7","2","3","8","8","1") = "9"
    & skf18("10","7","2","3","8","9","1") = "9"
    & skf18("10","7","2","3","8","10","1") = "9"
    & skf18("10","7","2","3","9","1","1") = "9"
    & skf18("10","7","2","3","9","2","1") = "9"
    & skf18("10","7","2","3","9","3","1") = "9"
    & skf18("10","7","2","3","9","4","1") = "9"
    & skf18("10","7","2","3","9","5","1") = "9"
    & skf18("10","7","2","3","9","6","1") = "9"
    & skf18("10","7","2","3","9","7","1") = "9"
    & skf18("10","7","2","3","9","8","1") = "9"
    & skf18("10","7","2","3","9","9","1") = "9"
    & skf18("10","7","2","3","9","10","1") = "9"
    & skf18("10","7","2","3","10","1","1") = "9"
    & skf18("10","7","2","3","10","2","1") = "9"
    & skf18("10","7","2","3","10","3","1") = "9"
    & skf18("10","7","2","3","10","4","1") = "9"
    & skf18("10","7","2","3","10","5","1") = "9"
    & skf18("10","7","2","3","10","6","1") = "9"
    & skf18("10","7","2","3","10","7","1") = "9"
    & skf18("10","7","2","3","10","8","1") = "9"
    & skf18("10","7","2","3","10","9","1") = "9"
    & skf18("10","7","2","3","10","10","1") = "9"
    & skf18("10","7","2","4","1","1","1") = "9"
    & skf18("10","7","2","4","1","2","1") = "9"
    & skf18("10","7","2","4","1","3","1") = "9"
    & skf18("10","7","2","4","1","4","1") = "9"
    & skf18("10","7","2","4","1","5","1") = "9"
    & skf18("10","7","2","4","1","6","1") = "9"
    & skf18("10","7","2","4","1","7","1") = "9"
    & skf18("10","7","2","4","1","8","1") = "9"
    & skf18("10","7","2","4","1","9","1") = "9"
    & skf18("10","7","2","4","1","10","1") = "9"
    & skf18("10","7","2","4","2","1","1") = "9"
    & skf18("10","7","2","4","2","2","1") = "9"
    & skf18("10","7","2","4","2","3","1") = "9"
    & skf18("10","7","2","4","2","4","1") = "9"
    & skf18("10","7","2","4","2","5","1") = "9"
    & skf18("10","7","2","4","2","6","1") = "9"
    & skf18("10","7","2","4","2","7","1") = "9"
    & skf18("10","7","2","4","2","8","1") = "9"
    & skf18("10","7","2","4","2","9","1") = "9"
    & skf18("10","7","2","4","2","10","1") = "9"
    & skf18("10","7","2","4","3","1","1") = "9"
    & skf18("10","7","2","4","3","2","1") = "9"
    & skf18("10","7","2","4","3","3","1") = "9"
    & skf18("10","7","2","4","3","4","1") = "9"
    & skf18("10","7","2","4","3","5","1") = "9"
    & skf18("10","7","2","4","3","6","1") = "9"
    & skf18("10","7","2","4","3","7","1") = "9"
    & skf18("10","7","2","4","3","8","1") = "9"
    & skf18("10","7","2","4","3","9","1") = "9"
    & skf18("10","7","2","4","3","10","1") = "9"
    & skf18("10","7","2","4","4","1","1") = "9"
    & skf18("10","7","2","4","4","2","1") = "9"
    & skf18("10","7","2","4","4","3","1") = "9"
    & skf18("10","7","2","4","4","4","1") = "9"
    & skf18("10","7","2","4","4","5","1") = "9"
    & skf18("10","7","2","4","4","6","1") = "9"
    & skf18("10","7","2","4","4","7","1") = "9"
    & skf18("10","7","2","4","4","8","1") = "9"
    & skf18("10","7","2","4","4","9","1") = "9"
    & skf18("10","7","2","4","4","10","1") = "9"
    & skf18("10","7","2","4","5","1","1") = "9"
    & skf18("10","7","2","4","5","2","1") = "9"
    & skf18("10","7","2","4","5","3","1") = "9"
    & skf18("10","7","2","4","5","4","1") = "9"
    & skf18("10","7","2","4","5","5","1") = "9"
    & skf18("10","7","2","4","5","6","1") = "9"
    & skf18("10","7","2","4","5","7","1") = "9"
    & skf18("10","7","2","4","5","8","1") = "9"
    & skf18("10","7","2","4","5","9","1") = "9"
    & skf18("10","7","2","4","5","10","1") = "9"
    & skf18("10","7","2","4","6","1","1") = "9"
    & skf18("10","7","2","4","6","2","1") = "9"
    & skf18("10","7","2","4","6","3","1") = "9"
    & skf18("10","7","2","4","6","4","1") = "9"
    & skf18("10","7","2","4","6","5","1") = "9"
    & skf18("10","7","2","4","6","6","1") = "9"
    & skf18("10","7","2","4","6","7","1") = "9"
    & skf18("10","7","2","4","6","8","1") = "9"
    & skf18("10","7","2","4","6","9","1") = "9"
    & skf18("10","7","2","4","6","10","1") = "9"
    & skf18("10","7","2","4","7","1","1") = "9"
    & skf18("10","7","2","4","7","2","1") = "9"
    & skf18("10","7","2","4","7","3","1") = "9"
    & skf18("10","7","2","4","7","4","1") = "9"
    & skf18("10","7","2","4","7","5","1") = "9"
    & skf18("10","7","2","4","7","6","1") = "9"
    & skf18("10","7","2","4","7","7","1") = "9"
    & skf18("10","7","2","4","7","8","1") = "9"
    & skf18("10","7","2","4","7","9","1") = "9"
    & skf18("10","7","2","4","7","10","1") = "9"
    & skf18("10","7","2","4","8","1","1") = "9"
    & skf18("10","7","2","4","8","2","1") = "9"
    & skf18("10","7","2","4","8","3","1") = "9"
    & skf18("10","7","2","4","8","4","1") = "9"
    & skf18("10","7","2","4","8","5","1") = "9"
    & skf18("10","7","2","4","8","6","1") = "9"
    & skf18("10","7","2","4","8","7","1") = "9"
    & skf18("10","7","2","4","8","8","1") = "9"
    & skf18("10","7","2","4","8","9","1") = "9"
    & skf18("10","7","2","4","8","10","1") = "9"
    & skf18("10","7","2","4","9","1","1") = "9"
    & skf18("10","7","2","4","9","2","1") = "9"
    & skf18("10","7","2","4","9","3","1") = "9"
    & skf18("10","7","2","4","9","4","1") = "9"
    & skf18("10","7","2","4","9","5","1") = "9"
    & skf18("10","7","2","4","9","6","1") = "9"
    & skf18("10","7","2","4","9","7","1") = "9"
    & skf18("10","7","2","4","9","8","1") = "9"
    & skf18("10","7","2","4","9","9","1") = "9"
    & skf18("10","7","2","4","9","10","1") = "9"
    & skf18("10","7","2","4","10","1","1") = "9"
    & skf18("10","7","2","4","10","2","1") = "9"
    & skf18("10","7","2","4","10","3","1") = "9"
    & skf18("10","7","2","4","10","4","1") = "9"
    & skf18("10","7","2","4","10","5","1") = "9"
    & skf18("10","7","2","4","10","6","1") = "9"
    & skf18("10","7","2","4","10","7","1") = "9"
    & skf18("10","7","2","4","10","8","1") = "9"
    & skf18("10","7","2","4","10","9","1") = "9"
    & skf18("10","7","2","4","10","10","1") = "9"
    & skf18("10","7","2","5","1","1","1") = "9"
    & skf18("10","7","2","5","1","2","1") = "9"
    & skf18("10","7","2","5","1","3","1") = "9"
    & skf18("10","7","2","5","1","4","1") = "9"
    & skf18("10","7","2","5","1","5","1") = "9"
    & skf18("10","7","2","5","1","6","1") = "9"
    & skf18("10","7","2","5","1","7","1") = "9"
    & skf18("10","7","2","5","1","8","1") = "9"
    & skf18("10","7","2","5","1","9","1") = "9"
    & skf18("10","7","2","5","1","10","1") = "9"
    & skf18("10","7","2","5","2","1","1") = "9"
    & skf18("10","7","2","5","2","2","1") = "9"
    & skf18("10","7","2","5","2","3","1") = "9"
    & skf18("10","7","2","5","2","4","1") = "9"
    & skf18("10","7","2","5","2","5","1") = "9"
    & skf18("10","7","2","5","2","6","1") = "9"
    & skf18("10","7","2","5","2","7","1") = "9"
    & skf18("10","7","2","5","2","8","1") = "9"
    & skf18("10","7","2","5","2","9","1") = "9"
    & skf18("10","7","2","5","2","10","1") = "9"
    & skf18("10","7","2","5","3","1","1") = "9"
    & skf18("10","7","2","5","3","2","1") = "9"
    & skf18("10","7","2","5","3","3","1") = "9"
    & skf18("10","7","2","5","3","4","1") = "9"
    & skf18("10","7","2","5","3","5","1") = "9"
    & skf18("10","7","2","5","3","6","1") = "9"
    & skf18("10","7","2","5","3","7","1") = "9"
    & skf18("10","7","2","5","3","8","1") = "9"
    & skf18("10","7","2","5","3","9","1") = "9"
    & skf18("10","7","2","5","3","10","1") = "9"
    & skf18("10","7","2","5","4","1","1") = "9"
    & skf18("10","7","2","5","4","2","1") = "9"
    & skf18("10","7","2","5","4","3","1") = "9"
    & skf18("10","7","2","5","4","4","1") = "9"
    & skf18("10","7","2","5","4","5","1") = "9"
    & skf18("10","7","2","5","4","6","1") = "9"
    & skf18("10","7","2","5","4","7","1") = "9"
    & skf18("10","7","2","5","4","8","1") = "9"
    & skf18("10","7","2","5","4","9","1") = "9"
    & skf18("10","7","2","5","4","10","1") = "9"
    & skf18("10","7","2","5","5","1","1") = "9"
    & skf18("10","7","2","5","5","2","1") = "9"
    & skf18("10","7","2","5","5","3","1") = "9"
    & skf18("10","7","2","5","5","4","1") = "9"
    & skf18("10","7","2","5","5","5","1") = "9"
    & skf18("10","7","2","5","5","6","1") = "9"
    & skf18("10","7","2","5","5","7","1") = "9"
    & skf18("10","7","2","5","5","8","1") = "9"
    & skf18("10","7","2","5","5","9","1") = "9"
    & skf18("10","7","2","5","5","10","1") = "9"
    & skf18("10","7","2","5","6","1","1") = "9"
    & skf18("10","7","2","5","6","2","1") = "9"
    & skf18("10","7","2","5","6","3","1") = "9"
    & skf18("10","7","2","5","6","4","1") = "9"
    & skf18("10","7","2","5","6","5","1") = "9"
    & skf18("10","7","2","5","6","6","1") = "9"
    & skf18("10","7","2","5","6","7","1") = "9"
    & skf18("10","7","2","5","6","8","1") = "9"
    & skf18("10","7","2","5","6","9","1") = "9"
    & skf18("10","7","2","5","6","10","1") = "9"
    & skf18("10","7","2","5","7","1","1") = "9"
    & skf18("10","7","2","5","7","2","1") = "9"
    & skf18("10","7","2","5","7","3","1") = "9"
    & skf18("10","7","2","5","7","4","1") = "9"
    & skf18("10","7","2","5","7","5","1") = "9"
    & skf18("10","7","2","5","7","6","1") = "9"
    & skf18("10","7","2","5","7","7","1") = "9"
    & skf18("10","7","2","5","7","8","1") = "9"
    & skf18("10","7","2","5","7","9","1") = "9"
    & skf18("10","7","2","5","7","10","1") = "9"
    & skf18("10","7","2","5","8","1","1") = "9"
    & skf18("10","7","2","5","8","2","1") = "9"
    & skf18("10","7","2","5","8","3","1") = "9"
    & skf18("10","7","2","5","8","4","1") = "9"
    & skf18("10","7","2","5","8","5","1") = "9"
    & skf18("10","7","2","5","8","6","1") = "9"
    & skf18("10","7","2","5","8","7","1") = "9"
    & skf18("10","7","2","5","8","8","1") = "9"
    & skf18("10","7","2","5","8","9","1") = "9"
    & skf18("10","7","2","5","8","10","1") = "9"
    & skf18("10","7","2","5","9","1","1") = "9"
    & skf18("10","7","2","5","9","2","1") = "9"
    & skf18("10","7","2","5","9","3","1") = "9"
    & skf18("10","7","2","5","9","4","1") = "9"
    & skf18("10","7","2","5","9","5","1") = "9"
    & skf18("10","7","2","5","9","6","1") = "9"
    & skf18("10","7","2","5","9","7","1") = "9"
    & skf18("10","7","2","5","9","8","1") = "9"
    & skf18("10","7","2","5","9","9","1") = "9"
    & skf18("10","7","2","5","9","10","1") = "9"
    & skf18("10","7","2","5","10","1","1") = "9"
    & skf18("10","7","2","5","10","2","1") = "9"
    & skf18("10","7","2","5","10","3","1") = "9"
    & skf18("10","7","2","5","10","4","1") = "9"
    & skf18("10","7","2","5","10","5","1") = "9"
    & skf18("10","7","2","5","10","6","1") = "9"
    & skf18("10","7","2","5","10","7","1") = "9"
    & skf18("10","7","2","5","10","8","1") = "9"
    & skf18("10","7","2","5","10","9","1") = "9"
    & skf18("10","7","2","5","10","10","1") = "9"
    & skf18("10","7","2","6","1","1","1") = "9"
    & skf18("10","7","2","6","1","2","1") = "9"
    & skf18("10","7","2","6","1","3","1") = "9"
    & skf18("10","7","2","6","1","4","1") = "9"
    & skf18("10","7","2","6","1","5","1") = "9"
    & skf18("10","7","2","6","1","6","1") = "9"
    & skf18("10","7","2","6","1","7","1") = "9"
    & skf18("10","7","2","6","1","8","1") = "9"
    & skf18("10","7","2","6","1","9","1") = "9"
    & skf18("10","7","2","6","1","10","1") = "9"
    & skf18("10","7","2","6","2","1","1") = "9"
    & skf18("10","7","2","6","2","2","1") = "9"
    & skf18("10","7","2","6","2","3","1") = "9"
    & skf18("10","7","2","6","2","4","1") = "9"
    & skf18("10","7","2","6","2","5","1") = "9"
    & skf18("10","7","2","6","2","6","1") = "9"
    & skf18("10","7","2","6","2","7","1") = "9"
    & skf18("10","7","2","6","2","8","1") = "9"
    & skf18("10","7","2","6","2","9","1") = "9"
    & skf18("10","7","2","6","2","10","1") = "9"
    & skf18("10","7","2","6","3","1","1") = "9"
    & skf18("10","7","2","6","3","2","1") = "9"
    & skf18("10","7","2","6","3","3","1") = "9"
    & skf18("10","7","2","6","3","4","1") = "9"
    & skf18("10","7","2","6","3","5","1") = "9"
    & skf18("10","7","2","6","3","6","1") = "9"
    & skf18("10","7","2","6","3","7","1") = "9"
    & skf18("10","7","2","6","3","8","1") = "9"
    & skf18("10","7","2","6","3","9","1") = "9"
    & skf18("10","7","2","6","3","10","1") = "9"
    & skf18("10","7","2","6","4","1","1") = "9"
    & skf18("10","7","2","6","4","2","1") = "9"
    & skf18("10","7","2","6","4","3","1") = "9"
    & skf18("10","7","2","6","4","4","1") = "9"
    & skf18("10","7","2","6","4","5","1") = "9"
    & skf18("10","7","2","6","4","6","1") = "9"
    & skf18("10","7","2","6","4","7","1") = "9"
    & skf18("10","7","2","6","4","8","1") = "9"
    & skf18("10","7","2","6","4","9","1") = "9"
    & skf18("10","7","2","6","4","10","1") = "9"
    & skf18("10","7","2","6","5","1","1") = "9"
    & skf18("10","7","2","6","5","2","1") = "9"
    & skf18("10","7","2","6","5","3","1") = "9"
    & skf18("10","7","2","6","5","4","1") = "9"
    & skf18("10","7","2","6","5","5","1") = "9"
    & skf18("10","7","2","6","5","6","1") = "9"
    & skf18("10","7","2","6","5","7","1") = "9"
    & skf18("10","7","2","6","5","8","1") = "9"
    & skf18("10","7","2","6","5","9","1") = "9"
    & skf18("10","7","2","6","5","10","1") = "9"
    & skf18("10","7","2","6","6","1","1") = "9"
    & skf18("10","7","2","6","6","2","1") = "9"
    & skf18("10","7","2","6","6","3","1") = "9"
    & skf18("10","7","2","6","6","4","1") = "9"
    & skf18("10","7","2","6","6","5","1") = "9"
    & skf18("10","7","2","6","6","6","1") = "9"
    & skf18("10","7","2","6","6","7","1") = "9"
    & skf18("10","7","2","6","6","8","1") = "9"
    & skf18("10","7","2","6","6","9","1") = "9"
    & skf18("10","7","2","6","6","10","1") = "9"
    & skf18("10","7","2","6","7","1","1") = "9"
    & skf18("10","7","2","6","7","2","1") = "9"
    & skf18("10","7","2","6","7","3","1") = "9"
    & skf18("10","7","2","6","7","4","1") = "9"
    & skf18("10","7","2","6","7","5","1") = "9"
    & skf18("10","7","2","6","7","6","1") = "9"
    & skf18("10","7","2","6","7","7","1") = "9"
    & skf18("10","7","2","6","7","8","1") = "9"
    & skf18("10","7","2","6","7","9","1") = "9"
    & skf18("10","7","2","6","7","10","1") = "9"
    & skf18("10","7","2","6","8","1","1") = "9"
    & skf18("10","7","2","6","8","2","1") = "9"
    & skf18("10","7","2","6","8","3","1") = "9"
    & skf18("10","7","2","6","8","4","1") = "9"
    & skf18("10","7","2","6","8","5","1") = "9"
    & skf18("10","7","2","6","8","6","1") = "9"
    & skf18("10","7","2","6","8","7","1") = "9"
    & skf18("10","7","2","6","8","8","1") = "9"
    & skf18("10","7","2","6","8","9","1") = "9"
    & skf18("10","7","2","6","8","10","1") = "9"
    & skf18("10","7","2","6","9","1","1") = "9"
    & skf18("10","7","2","6","9","2","1") = "9"
    & skf18("10","7","2","6","9","3","1") = "9"
    & skf18("10","7","2","6","9","4","1") = "9"
    & skf18("10","7","2","6","9","5","1") = "9"
    & skf18("10","7","2","6","9","6","1") = "9"
    & skf18("10","7","2","6","9","7","1") = "9"
    & skf18("10","7","2","6","9","8","1") = "9"
    & skf18("10","7","2","6","9","9","1") = "9"
    & skf18("10","7","2","6","9","10","1") = "9"
    & skf18("10","7","2","6","10","1","1") = "9"
    & skf18("10","7","2","6","10","2","1") = "9"
    & skf18("10","7","2","6","10","3","1") = "9"
    & skf18("10","7","2","6","10","4","1") = "9"
    & skf18("10","7","2","6","10","5","1") = "9"
    & skf18("10","7","2","6","10","6","1") = "9"
    & skf18("10","7","2","6","10","7","1") = "9"
    & skf18("10","7","2","6","10","8","1") = "9"
    & skf18("10","7","2","6","10","9","1") = "9"
    & skf18("10","7","2","6","10","10","1") = "9"
    & skf18("10","7","2","7","1","1","1") = "9"
    & skf18("10","7","2","7","1","2","1") = "9"
    & skf18("10","7","2","7","1","3","1") = "9"
    & skf18("10","7","2","7","1","4","1") = "9"
    & skf18("10","7","2","7","1","5","1") = "9"
    & skf18("10","7","2","7","1","6","1") = "9"
    & skf18("10","7","2","7","1","7","1") = "9"
    & skf18("10","7","2","7","1","8","1") = "9"
    & skf18("10","7","2","7","1","9","1") = "9"
    & skf18("10","7","2","7","1","10","1") = "9"
    & skf18("10","7","2","7","2","1","1") = "9"
    & skf18("10","7","2","7","2","2","1") = "9"
    & skf18("10","7","2","7","2","3","1") = "9"
    & skf18("10","7","2","7","2","4","1") = "9"
    & skf18("10","7","2","7","2","5","1") = "9"
    & skf18("10","7","2","7","2","6","1") = "9"
    & skf18("10","7","2","7","2","7","1") = "9"
    & skf18("10","7","2","7","2","8","1") = "9"
    & skf18("10","7","2","7","2","9","1") = "9"
    & skf18("10","7","2","7","2","10","1") = "9"
    & skf18("10","7","2","7","3","1","1") = "9"
    & skf18("10","7","2","7","3","2","1") = "9"
    & skf18("10","7","2","7","3","3","1") = "9"
    & skf18("10","7","2","7","3","4","1") = "9"
    & skf18("10","7","2","7","3","5","1") = "9"
    & skf18("10","7","2","7","3","6","1") = "9"
    & skf18("10","7","2","7","3","7","1") = "9"
    & skf18("10","7","2","7","3","8","1") = "9"
    & skf18("10","7","2","7","3","9","1") = "9"
    & skf18("10","7","2","7","3","10","1") = "9"
    & skf18("10","7","2","7","4","1","1") = "9"
    & skf18("10","7","2","7","4","2","1") = "9"
    & skf18("10","7","2","7","4","3","1") = "9"
    & skf18("10","7","2","7","4","4","1") = "9"
    & skf18("10","7","2","7","4","5","1") = "9"
    & skf18("10","7","2","7","4","6","1") = "9"
    & skf18("10","7","2","7","4","7","1") = "9"
    & skf18("10","7","2","7","4","8","1") = "9"
    & skf18("10","7","2","7","4","9","1") = "9"
    & skf18("10","7","2","7","4","10","1") = "9"
    & skf18("10","7","2","7","5","1","1") = "9"
    & skf18("10","7","2","7","5","2","1") = "9"
    & skf18("10","7","2","7","5","3","1") = "9"
    & skf18("10","7","2","7","5","4","1") = "9"
    & skf18("10","7","2","7","5","5","1") = "9"
    & skf18("10","7","2","7","5","6","1") = "9"
    & skf18("10","7","2","7","5","7","1") = "9"
    & skf18("10","7","2","7","5","8","1") = "9"
    & skf18("10","7","2","7","5","9","1") = "9"
    & skf18("10","7","2","7","5","10","1") = "9"
    & skf18("10","7","2","7","6","1","1") = "9"
    & skf18("10","7","2","7","6","2","1") = "9"
    & skf18("10","7","2","7","6","3","1") = "9"
    & skf18("10","7","2","7","6","4","1") = "9"
    & skf18("10","7","2","7","6","5","1") = "9"
    & skf18("10","7","2","7","6","6","1") = "9"
    & skf18("10","7","2","7","6","7","1") = "9"
    & skf18("10","7","2","7","6","8","1") = "9"
    & skf18("10","7","2","7","6","9","1") = "9"
    & skf18("10","7","2","7","6","10","1") = "9"
    & skf18("10","7","2","7","7","1","1") = "9"
    & skf18("10","7","2","7","7","2","1") = "9"
    & skf18("10","7","2","7","7","3","1") = "9"
    & skf18("10","7","2","7","7","4","1") = "9"
    & skf18("10","7","2","7","7","5","1") = "9"
    & skf18("10","7","2","7","7","6","1") = "9"
    & skf18("10","7","2","7","7","7","1") = "9"
    & skf18("10","7","2","7","7","8","1") = "9"
    & skf18("10","7","2","7","7","9","1") = "9"
    & skf18("10","7","2","7","7","10","1") = "9"
    & skf18("10","7","2","7","8","1","1") = "9"
    & skf18("10","7","2","7","8","2","1") = "9"
    & skf18("10","7","2","7","8","3","1") = "9"
    & skf18("10","7","2","7","8","4","1") = "9"
    & skf18("10","7","2","7","8","5","1") = "9"
    & skf18("10","7","2","7","8","6","1") = "9"
    & skf18("10","7","2","7","8","7","1") = "9"
    & skf18("10","7","2","7","8","8","1") = "9"
    & skf18("10","7","2","7","8","9","1") = "9"
    & skf18("10","7","2","7","8","10","1") = "9"
    & skf18("10","7","2","7","9","1","1") = "9"
    & skf18("10","7","2","7","9","2","1") = "9"
    & skf18("10","7","2","7","9","3","1") = "9"
    & skf18("10","7","2","7","9","4","1") = "9"
    & skf18("10","7","2","7","9","5","1") = "9"
    & skf18("10","7","2","7","9","6","1") = "9"
    & skf18("10","7","2","7","9","7","1") = "9"
    & skf18("10","7","2","7","9","8","1") = "9"
    & skf18("10","7","2","7","9","9","1") = "9"
    & skf18("10","7","2","7","9","10","1") = "9"
    & skf18("10","7","2","7","10","1","1") = "9"
    & skf18("10","7","2","7","10","2","1") = "9"
    & skf18("10","7","2","7","10","3","1") = "9"
    & skf18("10","7","2","7","10","4","1") = "9"
    & skf18("10","7","2","7","10","5","1") = "9"
    & skf18("10","7","2","7","10","6","1") = "9"
    & skf18("10","7","2","7","10","7","1") = "9"
    & skf18("10","7","2","7","10","8","1") = "9"
    & skf18("10","7","2","7","10","9","1") = "9"
    & skf18("10","7","2","7","10","10","1") = "9"
    & skf18("10","7","2","8","1","1","1") = "9"
    & skf18("10","7","2","8","1","2","1") = "9"
    & skf18("10","7","2","8","1","3","1") = "9"
    & skf18("10","7","2","8","1","4","1") = "9"
    & skf18("10","7","2","8","1","5","1") = "9"
    & skf18("10","7","2","8","1","6","1") = "9"
    & skf18("10","7","2","8","1","7","1") = "9"
    & skf18("10","7","2","8","1","8","1") = "9"
    & skf18("10","7","2","8","1","9","1") = "9"
    & skf18("10","7","2","8","1","10","1") = "9"
    & skf18("10","7","2","8","2","1","1") = "9"
    & skf18("10","7","2","8","2","2","1") = "9"
    & skf18("10","7","2","8","2","3","1") = "9"
    & skf18("10","7","2","8","2","4","1") = "9"
    & skf18("10","7","2","8","2","5","1") = "9"
    & skf18("10","7","2","8","2","6","1") = "9"
    & skf18("10","7","2","8","2","7","1") = "9"
    & skf18("10","7","2","8","2","8","1") = "9"
    & skf18("10","7","2","8","2","9","1") = "9"
    & skf18("10","7","2","8","2","10","1") = "9"
    & skf18("10","7","2","8","3","1","1") = "9"
    & skf18("10","7","2","8","3","2","1") = "9"
    & skf18("10","7","2","8","3","3","1") = "9"
    & skf18("10","7","2","8","3","4","1") = "9"
    & skf18("10","7","2","8","3","5","1") = "9"
    & skf18("10","7","2","8","3","6","1") = "9"
    & skf18("10","7","2","8","3","7","1") = "9"
    & skf18("10","7","2","8","3","8","1") = "9"
    & skf18("10","7","2","8","3","9","1") = "9"
    & skf18("10","7","2","8","3","10","1") = "9"
    & skf18("10","7","2","8","4","1","1") = "9"
    & skf18("10","7","2","8","4","2","1") = "9"
    & skf18("10","7","2","8","4","3","1") = "9"
    & skf18("10","7","2","8","4","4","1") = "9"
    & skf18("10","7","2","8","4","5","1") = "9"
    & skf18("10","7","2","8","4","6","1") = "9"
    & skf18("10","7","2","8","4","7","1") = "9"
    & skf18("10","7","2","8","4","8","1") = "9"
    & skf18("10","7","2","8","4","9","1") = "9"
    & skf18("10","7","2","8","4","10","1") = "9"
    & skf18("10","7","2","8","5","1","1") = "9"
    & skf18("10","7","2","8","5","2","1") = "9"
    & skf18("10","7","2","8","5","3","1") = "9"
    & skf18("10","7","2","8","5","4","1") = "9"
    & skf18("10","7","2","8","5","5","1") = "9"
    & skf18("10","7","2","8","5","6","1") = "9"
    & skf18("10","7","2","8","5","7","1") = "9"
    & skf18("10","7","2","8","5","8","1") = "9"
    & skf18("10","7","2","8","5","9","1") = "9"
    & skf18("10","7","2","8","5","10","1") = "9"
    & skf18("10","7","2","8","6","1","1") = "9"
    & skf18("10","7","2","8","6","2","1") = "9"
    & skf18("10","7","2","8","6","3","1") = "9"
    & skf18("10","7","2","8","6","4","1") = "9"
    & skf18("10","7","2","8","6","5","1") = "9"
    & skf18("10","7","2","8","6","6","1") = "9"
    & skf18("10","7","2","8","6","7","1") = "9"
    & skf18("10","7","2","8","6","8","1") = "9"
    & skf18("10","7","2","8","6","9","1") = "9"
    & skf18("10","7","2","8","6","10","1") = "9"
    & skf18("10","7","2","8","7","1","1") = "9"
    & skf18("10","7","2","8","7","2","1") = "9"
    & skf18("10","7","2","8","7","3","1") = "9"
    & skf18("10","7","2","8","7","4","1") = "9"
    & skf18("10","7","2","8","7","5","1") = "9"
    & skf18("10","7","2","8","7","6","1") = "9"
    & skf18("10","7","2","8","7","7","1") = "9"
    & skf18("10","7","2","8","7","8","1") = "9"
    & skf18("10","7","2","8","7","9","1") = "9"
    & skf18("10","7","2","8","7","10","1") = "9"
    & skf18("10","7","2","8","8","1","1") = "9"
    & skf18("10","7","2","8","8","2","1") = "9"
    & skf18("10","7","2","8","8","3","1") = "9"
    & skf18("10","7","2","8","8","4","1") = "9"
    & skf18("10","7","2","8","8","5","1") = "9"
    & skf18("10","7","2","8","8","6","1") = "9"
    & skf18("10","7","2","8","8","7","1") = "9"
    & skf18("10","7","2","8","8","8","1") = "9"
    & skf18("10","7","2","8","8","9","1") = "9"
    & skf18("10","7","2","8","8","10","1") = "9"
    & skf18("10","7","2","8","9","1","1") = "9"
    & skf18("10","7","2","8","9","2","1") = "9"
    & skf18("10","7","2","8","9","3","1") = "9"
    & skf18("10","7","2","8","9","4","1") = "9"
    & skf18("10","7","2","8","9","5","1") = "9"
    & skf18("10","7","2","8","9","6","1") = "9"
    & skf18("10","7","2","8","9","7","1") = "9"
    & skf18("10","7","2","8","9","8","1") = "9"
    & skf18("10","7","2","8","9","9","1") = "9"
    & skf18("10","7","2","8","9","10","1") = "9"
    & skf18("10","7","2","8","10","1","1") = "9"
    & skf18("10","7","2","8","10","2","1") = "9"
    & skf18("10","7","2","8","10","3","1") = "9"
    & skf18("10","7","2","8","10","4","1") = "9"
    & skf18("10","7","2","8","10","5","1") = "9"
    & skf18("10","7","2","8","10","6","1") = "9"
    & skf18("10","7","2","8","10","7","1") = "9"
    & skf18("10","7","2","8","10","8","1") = "9"
    & skf18("10","7","2","8","10","9","1") = "9"
    & skf18("10","7","2","8","10","10","1") = "9"
    & skf18("10","7","2","9","1","1","1") = "9"
    & skf18("10","7","2","9","1","2","1") = "9"
    & skf18("10","7","2","9","1","3","1") = "9"
    & skf18("10","7","2","9","1","4","1") = "9"
    & skf18("10","7","2","9","1","5","1") = "9"
    & skf18("10","7","2","9","1","6","1") = "9"
    & skf18("10","7","2","9","1","7","1") = "9"
    & skf18("10","7","2","9","1","8","1") = "9"
    & skf18("10","7","2","9","1","9","1") = "9"
    & skf18("10","7","2","9","1","10","1") = "9"
    & skf18("10","7","2","9","2","1","1") = "9"
    & skf18("10","7","2","9","2","2","1") = "9"
    & skf18("10","7","2","9","2","3","1") = "9"
    & skf18("10","7","2","9","2","4","1") = "9"
    & skf18("10","7","2","9","2","5","1") = "9"
    & skf18("10","7","2","9","2","6","1") = "9"
    & skf18("10","7","2","9","2","7","1") = "9"
    & skf18("10","7","2","9","2","8","1") = "9"
    & skf18("10","7","2","9","2","9","1") = "9"
    & skf18("10","7","2","9","2","10","1") = "9"
    & skf18("10","7","2","9","3","1","1") = "9"
    & skf18("10","7","2","9","3","2","1") = "9"
    & skf18("10","7","2","9","3","3","1") = "9"
    & skf18("10","7","2","9","3","4","1") = "9"
    & skf18("10","7","2","9","3","5","1") = "9"
    & skf18("10","7","2","9","3","6","1") = "9"
    & skf18("10","7","2","9","3","7","1") = "9"
    & skf18("10","7","2","9","3","8","1") = "9"
    & skf18("10","7","2","9","3","9","1") = "9"
    & skf18("10","7","2","9","3","10","1") = "9"
    & skf18("10","7","2","9","4","1","1") = "9"
    & skf18("10","7","2","9","4","2","1") = "9"
    & skf18("10","7","2","9","4","3","1") = "9"
    & skf18("10","7","2","9","4","4","1") = "9"
    & skf18("10","7","2","9","4","5","1") = "9"
    & skf18("10","7","2","9","4","6","1") = "9"
    & skf18("10","7","2","9","4","7","1") = "9"
    & skf18("10","7","2","9","4","8","1") = "9"
    & skf18("10","7","2","9","4","9","1") = "9"
    & skf18("10","7","2","9","4","10","1") = "9"
    & skf18("10","7","2","9","5","1","1") = "9"
    & skf18("10","7","2","9","5","2","1") = "9"
    & skf18("10","7","2","9","5","3","1") = "9"
    & skf18("10","7","2","9","5","4","1") = "9"
    & skf18("10","7","2","9","5","5","1") = "9"
    & skf18("10","7","2","9","5","6","1") = "9"
    & skf18("10","7","2","9","5","7","1") = "9"
    & skf18("10","7","2","9","5","8","1") = "9"
    & skf18("10","7","2","9","5","9","1") = "9"
    & skf18("10","7","2","9","5","10","1") = "9"
    & skf18("10","7","2","9","6","1","1") = "9"
    & skf18("10","7","2","9","6","2","1") = "9"
    & skf18("10","7","2","9","6","3","1") = "9"
    & skf18("10","7","2","9","6","4","1") = "9"
    & skf18("10","7","2","9","6","5","1") = "9"
    & skf18("10","7","2","9","6","6","1") = "9"
    & skf18("10","7","2","9","6","7","1") = "9"
    & skf18("10","7","2","9","6","8","1") = "9"
    & skf18("10","7","2","9","6","9","1") = "9"
    & skf18("10","7","2","9","6","10","1") = "9"
    & skf18("10","7","2","9","7","1","1") = "9"
    & skf18("10","7","2","9","7","2","1") = "9"
    & skf18("10","7","2","9","7","3","1") = "9"
    & skf18("10","7","2","9","7","4","1") = "9"
    & skf18("10","7","2","9","7","5","1") = "9"
    & skf18("10","7","2","9","7","6","1") = "9"
    & skf18("10","7","2","9","7","7","1") = "9"
    & skf18("10","7","2","9","7","8","1") = "9"
    & skf18("10","7","2","9","7","9","1") = "9"
    & skf18("10","7","2","9","7","10","1") = "9"
    & skf18("10","7","2","9","8","1","1") = "9"
    & skf18("10","7","2","9","8","2","1") = "9"
    & skf18("10","7","2","9","8","3","1") = "9"
    & skf18("10","7","2","9","8","4","1") = "9"
    & skf18("10","7","2","9","8","5","1") = "9"
    & skf18("10","7","2","9","8","6","1") = "9"
    & skf18("10","7","2","9","8","7","1") = "9"
    & skf18("10","7","2","9","8","8","1") = "9"
    & skf18("10","7","2","9","8","9","1") = "9"
    & skf18("10","7","2","9","8","10","1") = "9"
    & skf18("10","7","2","9","9","1","1") = "9"
    & skf18("10","7","2","9","9","2","1") = "9"
    & skf18("10","7","2","9","9","3","1") = "9"
    & skf18("10","7","2","9","9","4","1") = "9"
    & skf18("10","7","2","9","9","5","1") = "9"
    & skf18("10","7","2","9","9","6","1") = "9"
    & skf18("10","7","2","9","9","7","1") = "9"
    & skf18("10","7","2","9","9","8","1") = "9"
    & skf18("10","7","2","9","9","9","1") = "9"
    & skf18("10","7","2","9","9","10","1") = "9"
    & skf18("10","7","2","9","10","1","1") = "9"
    & skf18("10","7","2","9","10","2","1") = "9"
    & skf18("10","7","2","9","10","3","1") = "9"
    & skf18("10","7","2","9","10","4","1") = "9"
    & skf18("10","7","2","9","10","5","1") = "9"
    & skf18("10","7","2","9","10","6","1") = "9"
    & skf18("10","7","2","9","10","7","1") = "9"
    & skf18("10","7","2","9","10","8","1") = "9"
    & skf18("10","7","2","9","10","9","1") = "9"
    & skf18("10","7","2","9","10","10","1") = "9"
    & skf18("10","7","2","10","1","1","1") = "9"
    & skf18("10","7","2","10","1","2","1") = "9"
    & skf18("10","7","2","10","1","3","1") = "9"
    & skf18("10","7","2","10","1","4","1") = "9"
    & skf18("10","7","2","10","1","5","1") = "9"
    & skf18("10","7","2","10","1","6","1") = "9"
    & skf18("10","7","2","10","1","7","1") = "9"
    & skf18("10","7","2","10","1","8","1") = "9"
    & skf18("10","7","2","10","1","9","1") = "9"
    & skf18("10","7","2","10","1","10","1") = "9"
    & skf18("10","7","2","10","2","1","1") = "9"
    & skf18("10","7","2","10","2","2","1") = "9"
    & skf18("10","7","2","10","2","3","1") = "9"
    & skf18("10","7","2","10","2","4","1") = "9"
    & skf18("10","7","2","10","2","5","1") = "9"
    & skf18("10","7","2","10","2","6","1") = "9"
    & skf18("10","7","2","10","2","7","1") = "9"
    & skf18("10","7","2","10","2","8","1") = "9"
    & skf18("10","7","2","10","2","9","1") = "9"
    & skf18("10","7","2","10","2","10","1") = "9"
    & skf18("10","7","2","10","3","1","1") = "9"
    & skf18("10","7","2","10","3","2","1") = "9"
    & skf18("10","7","2","10","3","3","1") = "9"
    & skf18("10","7","2","10","3","4","1") = "9"
    & skf18("10","7","2","10","3","5","1") = "9"
    & skf18("10","7","2","10","3","6","1") = "9"
    & skf18("10","7","2","10","3","7","1") = "9"
    & skf18("10","7","2","10","3","8","1") = "9"
    & skf18("10","7","2","10","3","9","1") = "9"
    & skf18("10","7","2","10","3","10","1") = "9"
    & skf18("10","7","2","10","4","1","1") = "9"
    & skf18("10","7","2","10","4","2","1") = "9"
    & skf18("10","7","2","10","4","3","1") = "9"
    & skf18("10","7","2","10","4","4","1") = "9"
    & skf18("10","7","2","10","4","5","1") = "9"
    & skf18("10","7","2","10","4","6","1") = "9"
    & skf18("10","7","2","10","4","7","1") = "9"
    & skf18("10","7","2","10","4","8","1") = "9"
    & skf18("10","7","2","10","4","9","1") = "9"
    & skf18("10","7","2","10","4","10","1") = "9"
    & skf18("10","7","2","10","5","1","1") = "9"
    & skf18("10","7","2","10","5","2","1") = "9"
    & skf18("10","7","2","10","5","3","1") = "9"
    & skf18("10","7","2","10","5","4","1") = "9"
    & skf18("10","7","2","10","5","5","1") = "9"
    & skf18("10","7","2","10","5","6","1") = "9"
    & skf18("10","7","2","10","5","7","1") = "9"
    & skf18("10","7","2","10","5","8","1") = "9"
    & skf18("10","7","2","10","5","9","1") = "9"
    & skf18("10","7","2","10","5","10","1") = "9"
    & skf18("10","7","2","10","6","1","1") = "9"
    & skf18("10","7","2","10","6","2","1") = "9"
    & skf18("10","7","2","10","6","3","1") = "9"
    & skf18("10","7","2","10","6","4","1") = "9"
    & skf18("10","7","2","10","6","5","1") = "9"
    & skf18("10","7","2","10","6","6","1") = "9"
    & skf18("10","7","2","10","6","7","1") = "9"
    & skf18("10","7","2","10","6","8","1") = "9"
    & skf18("10","7","2","10","6","9","1") = "9"
    & skf18("10","7","2","10","6","10","1") = "9"
    & skf18("10","7","2","10","7","1","1") = "9"
    & skf18("10","7","2","10","7","2","1") = "9"
    & skf18("10","7","2","10","7","3","1") = "9"
    & skf18("10","7","2","10","7","4","1") = "9"
    & skf18("10","7","2","10","7","5","1") = "9"
    & skf18("10","7","2","10","7","6","1") = "9"
    & skf18("10","7","2","10","7","7","1") = "9"
    & skf18("10","7","2","10","7","8","1") = "9"
    & skf18("10","7","2","10","7","9","1") = "9"
    & skf18("10","7","2","10","7","10","1") = "9"
    & skf18("10","7","2","10","8","1","1") = "9"
    & skf18("10","7","2","10","8","2","1") = "9"
    & skf18("10","7","2","10","8","3","1") = "9"
    & skf18("10","7","2","10","8","4","1") = "9"
    & skf18("10","7","2","10","8","5","1") = "9"
    & skf18("10","7","2","10","8","6","1") = "9"
    & skf18("10","7","2","10","8","7","1") = "9"
    & skf18("10","7","2","10","8","8","1") = "9"
    & skf18("10","7","2","10","8","9","1") = "9"
    & skf18("10","7","2","10","8","10","1") = "9"
    & skf18("10","7","2","10","9","1","1") = "9"
    & skf18("10","7","2","10","9","2","1") = "9"
    & skf18("10","7","2","10","9","3","1") = "9"
    & skf18("10","7","2","10","9","4","1") = "9"
    & skf18("10","7","2","10","9","5","1") = "9"
    & skf18("10","7","2","10","9","6","1") = "9"
    & skf18("10","7","2","10","9","7","1") = "9"
    & skf18("10","7","2","10","9","8","1") = "9"
    & skf18("10","7","2","10","9","9","1") = "9"
    & skf18("10","7","2","10","9","10","1") = "9"
    & skf18("10","7","2","10","10","1","1") = "9"
    & skf18("10","7","2","10","10","2","1") = "9"
    & skf18("10","7","2","10","10","3","1") = "9"
    & skf18("10","7","2","10","10","4","1") = "9"
    & skf18("10","7","2","10","10","5","1") = "9"
    & skf18("10","7","2","10","10","6","1") = "9"
    & skf18("10","7","2","10","10","7","1") = "9"
    & skf18("10","7","2","10","10","8","1") = "9"
    & skf18("10","7","2","10","10","9","1") = "9"
    & skf18("10","7","2","10","10","10","1") = "9"
    & skf18("10","7","3","1","1","1","1") = "9"
    & skf18("10","7","3","1","1","2","1") = "9"
    & skf18("10","7","3","1","1","3","1") = "9"
    & skf18("10","7","3","1","1","4","1") = "9"
    & skf18("10","7","3","1","1","5","1") = "9"
    & skf18("10","7","3","1","1","6","1") = "9"
    & skf18("10","7","3","1","1","7","1") = "9"
    & skf18("10","7","3","1","1","8","1") = "9"
    & skf18("10","7","3","1","1","9","1") = "9"
    & skf18("10","7","3","1","1","10","1") = "9"
    & skf18("10","7","3","1","2","1","1") = "9"
    & skf18("10","7","3","1","2","2","1") = "9"
    & skf18("10","7","3","1","2","3","1") = "9"
    & skf18("10","7","3","1","2","4","1") = "9"
    & skf18("10","7","3","1","2","5","1") = "9"
    & skf18("10","7","3","1","2","6","1") = "9"
    & skf18("10","7","3","1","2","7","1") = "9"
    & skf18("10","7","3","1","2","8","1") = "9"
    & skf18("10","7","3","1","2","9","1") = "9"
    & skf18("10","7","3","1","2","10","1") = "9"
    & skf18("10","7","3","1","3","1","1") = "9"
    & skf18("10","7","3","1","3","2","1") = "9"
    & skf18("10","7","3","1","3","3","1") = "9"
    & skf18("10","7","3","1","3","4","1") = "9"
    & skf18("10","7","3","1","3","5","1") = "9"
    & skf18("10","7","3","1","3","6","1") = "9"
    & skf18("10","7","3","1","3","7","1") = "9"
    & skf18("10","7","3","1","3","8","1") = "9"
    & skf18("10","7","3","1","3","9","1") = "9"
    & skf18("10","7","3","1","3","10","1") = "9"
    & skf18("10","7","3","1","4","1","1") = "9"
    & skf18("10","7","3","1","4","2","1") = "9"
    & skf18("10","7","3","1","4","3","1") = "9"
    & skf18("10","7","3","1","4","4","1") = "9"
    & skf18("10","7","3","1","4","5","1") = "9"
    & skf18("10","7","3","1","4","6","1") = "9"
    & skf18("10","7","3","1","4","7","1") = "9"
    & skf18("10","7","3","1","4","8","1") = "9"
    & skf18("10","7","3","1","4","9","1") = "9"
    & skf18("10","7","3","1","4","10","1") = "9"
    & skf18("10","7","3","1","5","1","1") = "9"
    & skf18("10","7","3","1","5","2","1") = "9"
    & skf18("10","7","3","1","5","3","1") = "9"
    & skf18("10","7","3","1","5","4","1") = "9"
    & skf18("10","7","3","1","5","5","1") = "9"
    & skf18("10","7","3","1","5","6","1") = "9"
    & skf18("10","7","3","1","5","7","1") = "9"
    & skf18("10","7","3","1","5","8","1") = "9"
    & skf18("10","7","3","1","5","9","1") = "9"
    & skf18("10","7","3","1","5","10","1") = "9"
    & skf18("10","7","3","1","6","1","1") = "9"
    & skf18("10","7","3","1","6","2","1") = "9"
    & skf18("10","7","3","1","6","3","1") = "9"
    & skf18("10","7","3","1","6","4","1") = "9"
    & skf18("10","7","3","1","6","5","1") = "9"
    & skf18("10","7","3","1","6","6","1") = "9"
    & skf18("10","7","3","1","6","7","1") = "9"
    & skf18("10","7","3","1","6","8","1") = "9"
    & skf18("10","7","3","1","6","9","1") = "9"
    & skf18("10","7","3","1","6","10","1") = "9"
    & skf18("10","7","3","1","7","1","1") = "9"
    & skf18("10","7","3","1","7","2","1") = "9"
    & skf18("10","7","3","1","7","3","1") = "9"
    & skf18("10","7","3","1","7","4","1") = "9"
    & skf18("10","7","3","1","7","5","1") = "9"
    & skf18("10","7","3","1","7","6","1") = "9"
    & skf18("10","7","3","1","7","7","1") = "9"
    & skf18("10","7","3","1","7","8","1") = "9"
    & skf18("10","7","3","1","7","9","1") = "9"
    & skf18("10","7","3","1","7","10","1") = "9"
    & skf18("10","7","3","1","8","1","1") = "9"
    & skf18("10","7","3","1","8","2","1") = "9"
    & skf18("10","7","3","1","8","3","1") = "9"
    & skf18("10","7","3","1","8","4","1") = "9"
    & skf18("10","7","3","1","8","5","1") = "9"
    & skf18("10","7","3","1","8","6","1") = "9"
    & skf18("10","7","3","1","8","7","1") = "9"
    & skf18("10","7","3","1","8","8","1") = "9"
    & skf18("10","7","3","1","8","9","1") = "9"
    & skf18("10","7","3","1","8","10","1") = "9"
    & skf18("10","7","3","1","9","1","1") = "9"
    & skf18("10","7","3","1","9","2","1") = "9"
    & skf18("10","7","3","1","9","3","1") = "9"
    & skf18("10","7","3","1","9","4","1") = "9"
    & skf18("10","7","3","1","9","5","1") = "9"
    & skf18("10","7","3","1","9","6","1") = "9"
    & skf18("10","7","3","1","9","7","1") = "9"
    & skf18("10","7","3","1","9","8","1") = "9"
    & skf18("10","7","3","1","9","9","1") = "9"
    & skf18("10","7","3","1","9","10","1") = "9"
    & skf18("10","7","3","1","10","1","1") = "9"
    & skf18("10","7","3","1","10","2","1") = "9"
    & skf18("10","7","3","1","10","3","1") = "9"
    & skf18("10","7","3","1","10","4","1") = "9"
    & skf18("10","7","3","1","10","5","1") = "9"
    & skf18("10","7","3","1","10","6","1") = "9"
    & skf18("10","7","3","1","10","7","1") = "9"
    & skf18("10","7","3","1","10","8","1") = "9"
    & skf18("10","7","3","1","10","9","1") = "9"
    & skf18("10","7","3","1","10","10","1") = "9"
    & skf18("10","7","3","2","1","1","1") = "9"
    & skf18("10","7","3","2","1","2","1") = "9"
    & skf18("10","7","3","2","1","3","1") = "9"
    & skf18("10","7","3","2","1","4","1") = "9"
    & skf18("10","7","3","2","1","5","1") = "9"
    & skf18("10","7","3","2","1","6","1") = "9"
    & skf18("10","7","3","2","1","7","1") = "9"
    & skf18("10","7","3","2","1","8","1") = "9"
    & skf18("10","7","3","2","1","9","1") = "9"
    & skf18("10","7","3","2","1","10","1") = "9"
    & skf18("10","7","3","2","2","1","1") = "9"
    & skf18("10","7","3","2","2","2","1") = "9"
    & skf18("10","7","3","2","2","3","1") = "9"
    & skf18("10","7","3","2","2","4","1") = "9"
    & skf18("10","7","3","2","2","5","1") = "9"
    & skf18("10","7","3","2","2","6","1") = "9"
    & skf18("10","7","3","2","2","7","1") = "9"
    & skf18("10","7","3","2","2","8","1") = "9"
    & skf18("10","7","3","2","2","9","1") = "9"
    & skf18("10","7","3","2","2","10","1") = "9"
    & skf18("10","7","3","2","3","1","1") = "9"
    & skf18("10","7","3","2","3","2","1") = "9"
    & skf18("10","7","3","2","3","3","1") = "9"
    & skf18("10","7","3","2","3","4","1") = "9"
    & skf18("10","7","3","2","3","5","1") = "9"
    & skf18("10","7","3","2","3","6","1") = "9"
    & skf18("10","7","3","2","3","7","1") = "9"
    & skf18("10","7","3","2","3","8","1") = "9"
    & skf18("10","7","3","2","3","9","1") = "9"
    & skf18("10","7","3","2","3","10","1") = "9"
    & skf18("10","7","3","2","4","1","1") = "9"
    & skf18("10","7","3","2","4","2","1") = "9"
    & skf18("10","7","3","2","4","3","1") = "9"
    & skf18("10","7","3","2","4","4","1") = "9"
    & skf18("10","7","3","2","4","5","1") = "9"
    & skf18("10","7","3","2","4","6","1") = "9"
    & skf18("10","7","3","2","4","7","1") = "9"
    & skf18("10","7","3","2","4","8","1") = "9"
    & skf18("10","7","3","2","4","9","1") = "9"
    & skf18("10","7","3","2","4","10","1") = "9"
    & skf18("10","7","3","2","5","1","1") = "9"
    & skf18("10","7","3","2","5","2","1") = "9"
    & skf18("10","7","3","2","5","3","1") = "9"
    & skf18("10","7","3","2","5","4","1") = "9"
    & skf18("10","7","3","2","5","5","1") = "9"
    & skf18("10","7","3","2","5","6","1") = "9"
    & skf18("10","7","3","2","5","7","1") = "9"
    & skf18("10","7","3","2","5","8","1") = "9"
    & skf18("10","7","3","2","5","9","1") = "9"
    & skf18("10","7","3","2","5","10","1") = "9"
    & skf18("10","7","3","2","6","1","1") = "9"
    & skf18("10","7","3","2","6","2","1") = "9"
    & skf18("10","7","3","2","6","3","1") = "9"
    & skf18("10","7","3","2","6","4","1") = "9"
    & skf18("10","7","3","2","6","5","1") = "9"
    & skf18("10","7","3","2","6","6","1") = "9"
    & skf18("10","7","3","2","6","7","1") = "9"
    & skf18("10","7","3","2","6","8","1") = "9"
    & skf18("10","7","3","2","6","9","1") = "9"
    & skf18("10","7","3","2","6","10","1") = "9"
    & skf18("10","7","3","2","7","1","1") = "9"
    & skf18("10","7","3","2","7","2","1") = "9"
    & skf18("10","7","3","2","7","3","1") = "9"
    & skf18("10","7","3","2","7","4","1") = "9"
    & skf18("10","7","3","2","7","5","1") = "9"
    & skf18("10","7","3","2","7","6","1") = "9"
    & skf18("10","7","3","2","7","7","1") = "9"
    & skf18("10","7","3","2","7","8","1") = "9"
    & skf18("10","7","3","2","7","9","1") = "9"
    & skf18("10","7","3","2","7","10","1") = "9"
    & skf18("10","7","3","2","8","1","1") = "9"
    & skf18("10","7","3","2","8","2","1") = "9"
    & skf18("10","7","3","2","8","3","1") = "9"
    & skf18("10","7","3","2","8","4","1") = "9"
    & skf18("10","7","3","2","8","5","1") = "9"
    & skf18("10","7","3","2","8","6","1") = "9"
    & skf18("10","7","3","2","8","7","1") = "9"
    & skf18("10","7","3","2","8","8","1") = "9"
    & skf18("10","7","3","2","8","9","1") = "9"
    & skf18("10","7","3","2","8","10","1") = "9"
    & skf18("10","7","3","2","9","1","1") = "9"
    & skf18("10","7","3","2","9","2","1") = "9"
    & skf18("10","7","3","2","9","3","1") = "9"
    & skf18("10","7","3","2","9","4","1") = "9"
    & skf18("10","7","3","2","9","5","1") = "9"
    & skf18("10","7","3","2","9","6","1") = "9"
    & skf18("10","7","3","2","9","7","1") = "9"
    & skf18("10","7","3","2","9","8","1") = "9"
    & skf18("10","7","3","2","9","9","1") = "9"
    & skf18("10","7","3","2","9","10","1") = "9"
    & skf18("10","7","3","2","10","1","1") = "9"
    & skf18("10","7","3","2","10","2","1") = "9"
    & skf18("10","7","3","2","10","3","1") = "9"
    & skf18("10","7","3","2","10","4","1") = "9"
    & skf18("10","7","3","2","10","5","1") = "9"
    & skf18("10","7","3","2","10","6","1") = "9"
    & skf18("10","7","3","2","10","7","1") = "9"
    & skf18("10","7","3","2","10","8","1") = "9"
    & skf18("10","7","3","2","10","9","1") = "9"
    & skf18("10","7","3","2","10","10","1") = "9"
    & skf18("10","7","3","3","1","1","1") = "9"
    & skf18("10","7","3","3","1","2","1") = "9"
    & skf18("10","7","3","3","1","3","1") = "9"
    & skf18("10","7","3","3","1","4","1") = "9"
    & skf18("10","7","3","3","1","5","1") = "9"
    & skf18("10","7","3","3","1","6","1") = "9"
    & skf18("10","7","3","3","1","7","1") = "9"
    & skf18("10","7","3","3","1","8","1") = "9"
    & skf18("10","7","3","3","1","9","1") = "9"
    & skf18("10","7","3","3","1","10","1") = "9"
    & skf18("10","7","3","3","2","1","1") = "9"
    & skf18("10","7","3","3","2","2","1") = "9"
    & skf18("10","7","3","3","2","3","1") = "9"
    & skf18("10","7","3","3","2","4","1") = "9"
    & skf18("10","7","3","3","2","5","1") = "9"
    & skf18("10","7","3","3","2","6","1") = "9"
    & skf18("10","7","3","3","2","7","1") = "9"
    & skf18("10","7","3","3","2","8","1") = "9"
    & skf18("10","7","3","3","2","9","1") = "9"
    & skf18("10","7","3","3","2","10","1") = "9"
    & skf18("10","7","3","3","3","1","1") = "9"
    & skf18("10","7","3","3","3","2","1") = "9"
    & skf18("10","7","3","3","3","3","1") = "9"
    & skf18("10","7","3","3","3","4","1") = "9"
    & skf18("10","7","3","3","3","5","1") = "9"
    & skf18("10","7","3","3","3","6","1") = "9"
    & skf18("10","7","3","3","3","7","1") = "9"
    & skf18("10","7","3","3","3","8","1") = "9"
    & skf18("10","7","3","3","3","9","1") = "9"
    & skf18("10","7","3","3","3","10","1") = "9"
    & skf18("10","7","3","3","4","1","1") = "9"
    & skf18("10","7","3","3","4","2","1") = "9"
    & skf18("10","7","3","3","4","3","1") = "9"
    & skf18("10","7","3","3","4","4","1") = "9"
    & skf18("10","7","3","3","4","5","1") = "9"
    & skf18("10","7","3","3","4","6","1") = "9"
    & skf18("10","7","3","3","4","7","1") = "9"
    & skf18("10","7","3","3","4","8","1") = "9"
    & skf18("10","7","3","3","4","9","1") = "9"
    & skf18("10","7","3","3","4","10","1") = "9"
    & skf18("10","7","3","3","5","1","1") = "9"
    & skf18("10","7","3","3","5","2","1") = "9"
    & skf18("10","7","3","3","5","3","1") = "9"
    & skf18("10","7","3","3","5","4","1") = "9"
    & skf18("10","7","3","3","5","5","1") = "9"
    & skf18("10","7","3","3","5","6","1") = "9"
    & skf18("10","7","3","3","5","7","1") = "9"
    & skf18("10","7","3","3","5","8","1") = "9"
    & skf18("10","7","3","3","5","9","1") = "9"
    & skf18("10","7","3","3","5","10","1") = "9"
    & skf18("10","7","3","3","6","1","1") = "9"
    & skf18("10","7","3","3","6","2","1") = "9"
    & skf18("10","7","3","3","6","3","1") = "9"
    & skf18("10","7","3","3","6","4","1") = "9"
    & skf18("10","7","3","3","6","5","1") = "9"
    & skf18("10","7","3","3","6","6","1") = "9"
    & skf18("10","7","3","3","6","7","1") = "9"
    & skf18("10","7","3","3","6","8","1") = "9"
    & skf18("10","7","3","3","6","9","1") = "9"
    & skf18("10","7","3","3","6","10","1") = "9"
    & skf18("10","7","3","3","7","1","1") = "9"
    & skf18("10","7","3","3","7","2","1") = "9"
    & skf18("10","7","3","3","7","3","1") = "9"
    & skf18("10","7","3","3","7","4","1") = "9"
    & skf18("10","7","3","3","7","5","1") = "9"
    & skf18("10","7","3","3","7","6","1") = "9"
    & skf18("10","7","3","3","7","7","1") = "9"
    & skf18("10","7","3","3","7","8","1") = "9"
    & skf18("10","7","3","3","7","9","1") = "9"
    & skf18("10","7","3","3","7","10","1") = "9"
    & skf18("10","7","3","3","8","1","1") = "9"
    & skf18("10","7","3","3","8","2","1") = "9"
    & skf18("10","7","3","3","8","3","1") = "9"
    & skf18("10","7","3","3","8","4","1") = "9"
    & skf18("10","7","3","3","8","5","1") = "9"
    & skf18("10","7","3","3","8","6","1") = "9"
    & skf18("10","7","3","3","8","7","1") = "9"
    & skf18("10","7","3","3","8","8","1") = "9"
    & skf18("10","7","3","3","8","9","1") = "9"
    & skf18("10","7","3","3","8","10","1") = "9"
    & skf18("10","7","3","3","9","1","1") = "9"
    & skf18("10","7","3","3","9","2","1") = "9"
    & skf18("10","7","3","3","9","3","1") = "9"
    & skf18("10","7","3","3","9","4","1") = "9"
    & skf18("10","7","3","3","9","5","1") = "9"
    & skf18("10","7","3","3","9","6","1") = "9"
    & skf18("10","7","3","3","9","7","1") = "9"
    & skf18("10","7","3","3","9","8","1") = "9"
    & skf18("10","7","3","3","9","9","1") = "9"
    & skf18("10","7","3","3","9","10","1") = "9"
    & skf18("10","7","3","3","10","1","1") = "9"
    & skf18("10","7","3","3","10","2","1") = "9"
    & skf18("10","7","3","3","10","3","1") = "9"
    & skf18("10","7","3","3","10","4","1") = "9"
    & skf18("10","7","3","3","10","5","1") = "9"
    & skf18("10","7","3","3","10","6","1") = "9"
    & skf18("10","7","3","3","10","7","1") = "9"
    & skf18("10","7","3","3","10","8","1") = "9"
    & skf18("10","7","3","3","10","9","1") = "9"
    & skf18("10","7","3","3","10","10","1") = "9"
    & skf18("10","7","3","4","1","1","1") = "9"
    & skf18("10","7","3","4","1","2","1") = "9"
    & skf18("10","7","3","4","1","3","1") = "9"
    & skf18("10","7","3","4","1","4","1") = "9"
    & skf18("10","7","3","4","1","5","1") = "9"
    & skf18("10","7","3","4","1","6","1") = "9"
    & skf18("10","7","3","4","1","7","1") = "9"
    & skf18("10","7","3","4","1","8","1") = "9"
    & skf18("10","7","3","4","1","9","1") = "9"
    & skf18("10","7","3","4","1","10","1") = "9"
    & skf18("10","7","3","4","2","1","1") = "9"
    & skf18("10","7","3","4","2","2","1") = "9"
    & skf18("10","7","3","4","2","3","1") = "9"
    & skf18("10","7","3","4","2","4","1") = "9"
    & skf18("10","7","3","4","2","5","1") = "9"
    & skf18("10","7","3","4","2","6","1") = "9"
    & skf18("10","7","3","4","2","7","1") = "9"
    & skf18("10","7","3","4","2","8","1") = "9"
    & skf18("10","7","3","4","2","9","1") = "9"
    & skf18("10","7","3","4","2","10","1") = "9"
    & skf18("10","7","3","4","3","1","1") = "9"
    & skf18("10","7","3","4","3","2","1") = "9"
    & skf18("10","7","3","4","3","3","1") = "9"
    & skf18("10","7","3","4","3","4","1") = "9"
    & skf18("10","7","3","4","3","5","1") = "9"
    & skf18("10","7","3","4","3","6","1") = "9"
    & skf18("10","7","3","4","3","7","1") = "9"
    & skf18("10","7","3","4","3","8","1") = "9"
    & skf18("10","7","3","4","3","9","1") = "9"
    & skf18("10","7","3","4","3","10","1") = "9"
    & skf18("10","7","3","4","4","1","1") = "9"
    & skf18("10","7","3","4","4","2","1") = "9"
    & skf18("10","7","3","4","4","3","1") = "9"
    & skf18("10","7","3","4","4","4","1") = "9"
    & skf18("10","7","3","4","4","5","1") = "9"
    & skf18("10","7","3","4","4","6","1") = "9"
    & skf18("10","7","3","4","4","7","1") = "9"
    & skf18("10","7","3","4","4","8","1") = "9"
    & skf18("10","7","3","4","4","9","1") = "9"
    & skf18("10","7","3","4","4","10","1") = "9"
    & skf18("10","7","3","4","5","1","1") = "9"
    & skf18("10","7","3","4","5","2","1") = "9"
    & skf18("10","7","3","4","5","3","1") = "9"
    & skf18("10","7","3","4","5","4","1") = "9"
    & skf18("10","7","3","4","5","5","1") = "9"
    & skf18("10","7","3","4","5","6","1") = "9"
    & skf18("10","7","3","4","5","7","1") = "9"
    & skf18("10","7","3","4","5","8","1") = "9"
    & skf18("10","7","3","4","5","9","1") = "9"
    & skf18("10","7","3","4","5","10","1") = "9"
    & skf18("10","7","3","4","6","1","1") = "9"
    & skf18("10","7","3","4","6","2","1") = "9"
    & skf18("10","7","3","4","6","3","1") = "9"
    & skf18("10","7","3","4","6","4","1") = "9"
    & skf18("10","7","3","4","6","5","1") = "9"
    & skf18("10","7","3","4","6","6","1") = "9"
    & skf18("10","7","3","4","6","7","1") = "9"
    & skf18("10","7","3","4","6","8","1") = "9"
    & skf18("10","7","3","4","6","9","1") = "9"
    & skf18("10","7","3","4","6","10","1") = "9"
    & skf18("10","7","3","4","7","1","1") = "9"
    & skf18("10","7","3","4","7","2","1") = "9"
    & skf18("10","7","3","4","7","3","1") = "9"
    & skf18("10","7","3","4","7","4","1") = "9"
    & skf18("10","7","3","4","7","5","1") = "9"
    & skf18("10","7","3","4","7","6","1") = "9"
    & skf18("10","7","3","4","7","7","1") = "9"
    & skf18("10","7","3","4","7","8","1") = "9"
    & skf18("10","7","3","4","7","9","1") = "9"
    & skf18("10","7","3","4","7","10","1") = "9"
    & skf18("10","7","3","4","8","1","1") = "9"
    & skf18("10","7","3","4","8","2","1") = "9"
    & skf18("10","7","3","4","8","3","1") = "9"
    & skf18("10","7","3","4","8","4","1") = "9"
    & skf18("10","7","3","4","8","5","1") = "9"
    & skf18("10","7","3","4","8","6","1") = "9"
    & skf18("10","7","3","4","8","7","1") = "9"
    & skf18("10","7","3","4","8","8","1") = "9"
    & skf18("10","7","3","4","8","9","1") = "9"
    & skf18("10","7","3","4","8","10","1") = "9"
    & skf18("10","7","3","4","9","1","1") = "9"
    & skf18("10","7","3","4","9","2","1") = "9"
    & skf18("10","7","3","4","9","3","1") = "9"
    & skf18("10","7","3","4","9","4","1") = "9"
    & skf18("10","7","3","4","9","5","1") = "9"
    & skf18("10","7","3","4","9","6","1") = "9"
    & skf18("10","7","3","4","9","7","1") = "9"
    & skf18("10","7","3","4","9","8","1") = "9"
    & skf18("10","7","3","4","9","9","1") = "9"
    & skf18("10","7","3","4","9","10","1") = "9"
    & skf18("10","7","3","4","10","1","1") = "9"
    & skf18("10","7","3","4","10","2","1") = "9"
    & skf18("10","7","3","4","10","3","1") = "9"
    & skf18("10","7","3","4","10","4","1") = "9"
    & skf18("10","7","3","4","10","5","1") = "9"
    & skf18("10","7","3","4","10","6","1") = "9"
    & skf18("10","7","3","4","10","7","1") = "9"
    & skf18("10","7","3","4","10","8","1") = "9"
    & skf18("10","7","3","4","10","9","1") = "9"
    & skf18("10","7","3","4","10","10","1") = "9"
    & skf18("10","7","3","5","1","1","1") = "9"
    & skf18("10","7","3","5","1","2","1") = "9"
    & skf18("10","7","3","5","1","3","1") = "9"
    & skf18("10","7","3","5","1","4","1") = "9"
    & skf18("10","7","3","5","1","5","1") = "9"
    & skf18("10","7","3","5","1","6","1") = "9"
    & skf18("10","7","3","5","1","7","1") = "9"
    & skf18("10","7","3","5","1","8","1") = "9"
    & skf18("10","7","3","5","1","9","1") = "9"
    & skf18("10","7","3","5","1","10","1") = "9"
    & skf18("10","7","3","5","2","1","1") = "9"
    & skf18("10","7","3","5","2","2","1") = "9"
    & skf18("10","7","3","5","2","3","1") = "9"
    & skf18("10","7","3","5","2","4","1") = "9"
    & skf18("10","7","3","5","2","5","1") = "9"
    & skf18("10","7","3","5","2","6","1") = "9"
    & skf18("10","7","3","5","2","7","1") = "9"
    & skf18("10","7","3","5","2","8","1") = "9"
    & skf18("10","7","3","5","2","9","1") = "9"
    & skf18("10","7","3","5","2","10","1") = "9"
    & skf18("10","7","3","5","3","1","1") = "9"
    & skf18("10","7","3","5","3","2","1") = "9"
    & skf18("10","7","3","5","3","3","1") = "9"
    & skf18("10","7","3","5","3","4","1") = "9"
    & skf18("10","7","3","5","3","5","1") = "9"
    & skf18("10","7","3","5","3","6","1") = "9"
    & skf18("10","7","3","5","3","7","1") = "9"
    & skf18("10","7","3","5","3","8","1") = "9"
    & skf18("10","7","3","5","3","9","1") = "9"
    & skf18("10","7","3","5","3","10","1") = "9"
    & skf18("10","7","3","5","4","1","1") = "9"
    & skf18("10","7","3","5","4","2","1") = "9"
    & skf18("10","7","3","5","4","3","1") = "9"
    & skf18("10","7","3","5","4","4","1") = "9"
    & skf18("10","7","3","5","4","5","1") = "9"
    & skf18("10","7","3","5","4","6","1") = "9"
    & skf18("10","7","3","5","4","7","1") = "9"
    & skf18("10","7","3","5","4","8","1") = "9"
    & skf18("10","7","3","5","4","9","1") = "9"
    & skf18("10","7","3","5","4","10","1") = "9"
    & skf18("10","7","3","5","5","1","1") = "9"
    & skf18("10","7","3","5","5","2","1") = "9"
    & skf18("10","7","3","5","5","3","1") = "9"
    & skf18("10","7","3","5","5","4","1") = "9"
    & skf18("10","7","3","5","5","5","1") = "9"
    & skf18("10","7","3","5","5","6","1") = "9"
    & skf18("10","7","3","5","5","7","1") = "9"
    & skf18("10","7","3","5","5","8","1") = "9"
    & skf18("10","7","3","5","5","9","1") = "9"
    & skf18("10","7","3","5","5","10","1") = "9"
    & skf18("10","7","3","5","6","1","1") = "9"
    & skf18("10","7","3","5","6","2","1") = "9"
    & skf18("10","7","3","5","6","3","1") = "9"
    & skf18("10","7","3","5","6","4","1") = "9"
    & skf18("10","7","3","5","6","5","1") = "9"
    & skf18("10","7","3","5","6","6","1") = "9"
    & skf18("10","7","3","5","6","7","1") = "9"
    & skf18("10","7","3","5","6","8","1") = "9"
    & skf18("10","7","3","5","6","9","1") = "9"
    & skf18("10","7","3","5","6","10","1") = "9"
    & skf18("10","7","3","5","7","1","1") = "9"
    & skf18("10","7","3","5","7","2","1") = "9"
    & skf18("10","7","3","5","7","3","1") = "9"
    & skf18("10","7","3","5","7","4","1") = "9"
    & skf18("10","7","3","5","7","5","1") = "9"
    & skf18("10","7","3","5","7","6","1") = "9"
    & skf18("10","7","3","5","7","7","1") = "9"
    & skf18("10","7","3","5","7","8","1") = "9"
    & skf18("10","7","3","5","7","9","1") = "9"
    & skf18("10","7","3","5","7","10","1") = "9"
    & skf18("10","7","3","5","8","1","1") = "9"
    & skf18("10","7","3","5","8","2","1") = "9"
    & skf18("10","7","3","5","8","3","1") = "9"
    & skf18("10","7","3","5","8","4","1") = "9"
    & skf18("10","7","3","5","8","5","1") = "9"
    & skf18("10","7","3","5","8","6","1") = "9"
    & skf18("10","7","3","5","8","7","1") = "9"
    & skf18("10","7","3","5","8","8","1") = "9"
    & skf18("10","7","3","5","8","9","1") = "9"
    & skf18("10","7","3","5","8","10","1") = "9"
    & skf18("10","7","3","5","9","1","1") = "9"
    & skf18("10","7","3","5","9","2","1") = "9"
    & skf18("10","7","3","5","9","3","1") = "9"
    & skf18("10","7","3","5","9","4","1") = "9"
    & skf18("10","7","3","5","9","5","1") = "9"
    & skf18("10","7","3","5","9","6","1") = "9"
    & skf18("10","7","3","5","9","7","1") = "9"
    & skf18("10","7","3","5","9","8","1") = "9"
    & skf18("10","7","3","5","9","9","1") = "9"
    & skf18("10","7","3","5","9","10","1") = "9"
    & skf18("10","7","3","5","10","1","1") = "9"
    & skf18("10","7","3","5","10","2","1") = "9"
    & skf18("10","7","3","5","10","3","1") = "9"
    & skf18("10","7","3","5","10","4","1") = "9"
    & skf18("10","7","3","5","10","5","1") = "9"
    & skf18("10","7","3","5","10","6","1") = "9"
    & skf18("10","7","3","5","10","7","1") = "9"
    & skf18("10","7","3","5","10","8","1") = "9"
    & skf18("10","7","3","5","10","9","1") = "9"
    & skf18("10","7","3","5","10","10","1") = "9"
    & skf18("10","7","3","6","1","1","1") = "9"
    & skf18("10","7","3","6","1","2","1") = "9"
    & skf18("10","7","3","6","1","3","1") = "9"
    & skf18("10","7","3","6","1","4","1") = "9"
    & skf18("10","7","3","6","1","5","1") = "9"
    & skf18("10","7","3","6","1","6","1") = "9"
    & skf18("10","7","3","6","1","7","1") = "9"
    & skf18("10","7","3","6","1","8","1") = "9"
    & skf18("10","7","3","6","1","9","1") = "9"
    & skf18("10","7","3","6","1","10","1") = "9"
    & skf18("10","7","3","6","2","1","1") = "9"
    & skf18("10","7","3","6","2","2","1") = "9"
    & skf18("10","7","3","6","2","3","1") = "9"
    & skf18("10","7","3","6","2","4","1") = "9"
    & skf18("10","7","3","6","2","5","1") = "9"
    & skf18("10","7","3","6","2","6","1") = "9"
    & skf18("10","7","3","6","2","7","1") = "9"
    & skf18("10","7","3","6","2","8","1") = "9"
    & skf18("10","7","3","6","2","9","1") = "9"
    & skf18("10","7","3","6","2","10","1") = "9"
    & skf18("10","7","3","6","3","1","1") = "9"
    & skf18("10","7","3","6","3","2","1") = "9"
    & skf18("10","7","3","6","3","3","1") = "9"
    & skf18("10","7","3","6","3","4","1") = "9"
    & skf18("10","7","3","6","3","5","1") = "9"
    & skf18("10","7","3","6","3","6","1") = "9"
    & skf18("10","7","3","6","3","7","1") = "9"
    & skf18("10","7","3","6","3","8","1") = "9"
    & skf18("10","7","3","6","3","9","1") = "9"
    & skf18("10","7","3","6","3","10","1") = "9"
    & skf18("10","7","3","6","4","1","1") = "9"
    & skf18("10","7","3","6","4","2","1") = "9"
    & skf18("10","7","3","6","4","3","1") = "9"
    & skf18("10","7","3","6","4","4","1") = "9"
    & skf18("10","7","3","6","4","5","1") = "9"
    & skf18("10","7","3","6","4","6","1") = "9"
    & skf18("10","7","3","6","4","7","1") = "9"
    & skf18("10","7","3","6","4","8","1") = "9"
    & skf18("10","7","3","6","4","9","1") = "9"
    & skf18("10","7","3","6","4","10","1") = "9"
    & skf18("10","7","3","6","5","1","1") = "9"
    & skf18("10","7","3","6","5","2","1") = "9"
    & skf18("10","7","3","6","5","3","1") = "9"
    & skf18("10","7","3","6","5","4","1") = "9"
    & skf18("10","7","3","6","5","5","1") = "9"
    & skf18("10","7","3","6","5","6","1") = "9"
    & skf18("10","7","3","6","5","7","1") = "9"
    & skf18("10","7","3","6","5","8","1") = "9"
    & skf18("10","7","3","6","5","9","1") = "9"
    & skf18("10","7","3","6","5","10","1") = "9"
    & skf18("10","7","3","6","6","1","1") = "9"
    & skf18("10","7","3","6","6","2","1") = "9"
    & skf18("10","7","3","6","6","3","1") = "9"
    & skf18("10","7","3","6","6","4","1") = "9"
    & skf18("10","7","3","6","6","5","1") = "9"
    & skf18("10","7","3","6","6","6","1") = "9"
    & skf18("10","7","3","6","6","7","1") = "9"
    & skf18("10","7","3","6","6","8","1") = "9"
    & skf18("10","7","3","6","6","9","1") = "9"
    & skf18("10","7","3","6","6","10","1") = "9"
    & skf18("10","7","3","6","7","1","1") = "9"
    & skf18("10","7","3","6","7","2","1") = "9"
    & skf18("10","7","3","6","7","3","1") = "9"
    & skf18("10","7","3","6","7","4","1") = "9"
    & skf18("10","7","3","6","7","5","1") = "9"
    & skf18("10","7","3","6","7","6","1") = "9"
    & skf18("10","7","3","6","7","7","1") = "9"
    & skf18("10","7","3","6","7","8","1") = "9"
    & skf18("10","7","3","6","7","9","1") = "9"
    & skf18("10","7","3","6","7","10","1") = "9"
    & skf18("10","7","3","6","8","1","1") = "9"
    & skf18("10","7","3","6","8","2","1") = "9"
    & skf18("10","7","3","6","8","3","1") = "9"
    & skf18("10","7","3","6","8","4","1") = "9"
    & skf18("10","7","3","6","8","5","1") = "9"
    & skf18("10","7","3","6","8","6","1") = "9"
    & skf18("10","7","3","6","8","7","1") = "9"
    & skf18("10","7","3","6","8","8","1") = "9"
    & skf18("10","7","3","6","8","9","1") = "9"
    & skf18("10","7","3","6","8","10","1") = "9"
    & skf18("10","7","3","6","9","1","1") = "9"
    & skf18("10","7","3","6","9","2","1") = "9"
    & skf18("10","7","3","6","9","3","1") = "9"
    & skf18("10","7","3","6","9","4","1") = "9"
    & skf18("10","7","3","6","9","5","1") = "9"
    & skf18("10","7","3","6","9","6","1") = "9"
    & skf18("10","7","3","6","9","7","1") = "9"
    & skf18("10","7","3","6","9","8","1") = "9"
    & skf18("10","7","3","6","9","9","1") = "9"
    & skf18("10","7","3","6","9","10","1") = "9"
    & skf18("10","7","3","6","10","1","1") = "9"
    & skf18("10","7","3","6","10","2","1") = "9"
    & skf18("10","7","3","6","10","3","1") = "9"
    & skf18("10","7","3","6","10","4","1") = "9"
    & skf18("10","7","3","6","10","5","1") = "9"
    & skf18("10","7","3","6","10","6","1") = "9"
    & skf18("10","7","3","6","10","7","1") = "9"
    & skf18("10","7","3","6","10","8","1") = "9"
    & skf18("10","7","3","6","10","9","1") = "9"
    & skf18("10","7","3","6","10","10","1") = "9"
    & skf18("10","7","3","7","1","1","1") = "9"
    & skf18("10","7","3","7","1","2","1") = "9"
    & skf18("10","7","3","7","1","3","1") = "9"
    & skf18("10","7","3","7","1","4","1") = "9"
    & skf18("10","7","3","7","1","5","1") = "9"
    & skf18("10","7","3","7","1","6","1") = "9"
    & skf18("10","7","3","7","1","7","1") = "9"
    & skf18("10","7","3","7","1","8","1") = "9"
    & skf18("10","7","3","7","1","9","1") = "9"
    & skf18("10","7","3","7","1","10","1") = "9"
    & skf18("10","7","3","7","2","1","1") = "9"
    & skf18("10","7","3","7","2","2","1") = "9"
    & skf18("10","7","3","7","2","3","1") = "9"
    & skf18("10","7","3","7","2","4","1") = "9"
    & skf18("10","7","3","7","2","5","1") = "9"
    & skf18("10","7","3","7","2","6","1") = "9"
    & skf18("10","7","3","7","2","7","1") = "9"
    & skf18("10","7","3","7","2","8","1") = "9"
    & skf18("10","7","3","7","2","9","1") = "9"
    & skf18("10","7","3","7","2","10","1") = "9"
    & skf18("10","7","3","7","3","1","1") = "9"
    & skf18("10","7","3","7","3","2","1") = "9"
    & skf18("10","7","3","7","3","3","1") = "9"
    & skf18("10","7","3","7","3","4","1") = "9"
    & skf18("10","7","3","7","3","5","1") = "9"
    & skf18("10","7","3","7","3","6","1") = "9"
    & skf18("10","7","3","7","3","7","1") = "9"
    & skf18("10","7","3","7","3","8","1") = "9"
    & skf18("10","7","3","7","3","9","1") = "9"
    & skf18("10","7","3","7","3","10","1") = "9"
    & skf18("10","7","3","7","4","1","1") = "9"
    & skf18("10","7","3","7","4","2","1") = "9"
    & skf18("10","7","3","7","4","3","1") = "9"
    & skf18("10","7","3","7","4","4","1") = "9"
    & skf18("10","7","3","7","4","5","1") = "9"
    & skf18("10","7","3","7","4","6","1") = "9"
    & skf18("10","7","3","7","4","7","1") = "9"
    & skf18("10","7","3","7","4","8","1") = "9"
    & skf18("10","7","3","7","4","9","1") = "9"
    & skf18("10","7","3","7","4","10","1") = "9"
    & skf18("10","7","3","7","5","1","1") = "9"
    & skf18("10","7","3","7","5","2","1") = "9"
    & skf18("10","7","3","7","5","3","1") = "9"
    & skf18("10","7","3","7","5","4","1") = "9"
    & skf18("10","7","3","7","5","5","1") = "9"
    & skf18("10","7","3","7","5","6","1") = "9"
    & skf18("10","7","3","7","5","7","1") = "9"
    & skf18("10","7","3","7","5","8","1") = "9"
    & skf18("10","7","3","7","5","9","1") = "9"
    & skf18("10","7","3","7","5","10","1") = "9"
    & skf18("10","7","3","7","6","1","1") = "9"
    & skf18("10","7","3","7","6","2","1") = "9"
    & skf18("10","7","3","7","6","3","1") = "9"
    & skf18("10","7","3","7","6","4","1") = "9"
    & skf18("10","7","3","7","6","5","1") = "9"
    & skf18("10","7","3","7","6","6","1") = "9"
    & skf18("10","7","3","7","6","7","1") = "9"
    & skf18("10","7","3","7","6","8","1") = "9"
    & skf18("10","7","3","7","6","9","1") = "9"
    & skf18("10","7","3","7","6","10","1") = "9"
    & skf18("10","7","3","7","7","1","1") = "9"
    & skf18("10","7","3","7","7","2","1") = "9"
    & skf18("10","7","3","7","7","3","1") = "9"
    & skf18("10","7","3","7","7","4","1") = "9"
    & skf18("10","7","3","7","7","5","1") = "9"
    & skf18("10","7","3","7","7","6","1") = "9"
    & skf18("10","7","3","7","7","7","1") = "9"
    & skf18("10","7","3","7","7","8","1") = "9"
    & skf18("10","7","3","7","7","9","1") = "9"
    & skf18("10","7","3","7","7","10","1") = "9"
    & skf18("10","7","3","7","8","1","1") = "9"
    & skf18("10","7","3","7","8","2","1") = "9"
    & skf18("10","7","3","7","8","3","1") = "9"
    & skf18("10","7","3","7","8","4","1") = "9"
    & skf18("10","7","3","7","8","5","1") = "9"
    & skf18("10","7","3","7","8","6","1") = "9"
    & skf18("10","7","3","7","8","7","1") = "9"
    & skf18("10","7","3","7","8","8","1") = "9"
    & skf18("10","7","3","7","8","9","1") = "9"
    & skf18("10","7","3","7","8","10","1") = "9"
    & skf18("10","7","3","7","9","1","1") = "9"
    & skf18("10","7","3","7","9","2","1") = "9"
    & skf18("10","7","3","7","9","3","1") = "9"
    & skf18("10","7","3","7","9","4","1") = "9"
    & skf18("10","7","3","7","9","5","1") = "9"
    & skf18("10","7","3","7","9","6","1") = "9"
    & skf18("10","7","3","7","9","7","1") = "9"
    & skf18("10","7","3","7","9","8","1") = "9"
    & skf18("10","7","3","7","9","9","1") = "9"
    & skf18("10","7","3","7","9","10","1") = "9"
    & skf18("10","7","3","7","10","1","1") = "9"
    & skf18("10","7","3","7","10","2","1") = "9"
    & skf18("10","7","3","7","10","3","1") = "9"
    & skf18("10","7","3","7","10","4","1") = "9"
    & skf18("10","7","3","7","10","5","1") = "9"
    & skf18("10","7","3","7","10","6","1") = "9"
    & skf18("10","7","3","7","10","7","1") = "9"
    & skf18("10","7","3","7","10","8","1") = "9"
    & skf18("10","7","3","7","10","9","1") = "9"
    & skf18("10","7","3","7","10","10","1") = "9"
    & skf18("10","7","3","8","1","1","1") = "9"
    & skf18("10","7","3","8","1","2","1") = "9"
    & skf18("10","7","3","8","1","3","1") = "9"
    & skf18("10","7","3","8","1","4","1") = "9"
    & skf18("10","7","3","8","1","5","1") = "9"
    & skf18("10","7","3","8","1","6","1") = "9"
    & skf18("10","7","3","8","1","7","1") = "9"
    & skf18("10","7","3","8","1","8","1") = "9"
    & skf18("10","7","3","8","1","9","1") = "9"
    & skf18("10","7","3","8","1","10","1") = "9"
    & skf18("10","7","3","8","2","1","1") = "9"
    & skf18("10","7","3","8","2","2","1") = "9"
    & skf18("10","7","3","8","2","3","1") = "9"
    & skf18("10","7","3","8","2","4","1") = "9"
    & skf18("10","7","3","8","2","5","1") = "9"
    & skf18("10","7","3","8","2","6","1") = "9"
    & skf18("10","7","3","8","2","7","1") = "9"
    & skf18("10","7","3","8","2","8","1") = "9"
    & skf18("10","7","3","8","2","9","1") = "9"
    & skf18("10","7","3","8","2","10","1") = "9"
    & skf18("10","7","3","8","3","1","1") = "9"
    & skf18("10","7","3","8","3","2","1") = "9"
    & skf18("10","7","3","8","3","3","1") = "9"
    & skf18("10","7","3","8","3","4","1") = "9"
    & skf18("10","7","3","8","3","5","1") = "9"
    & skf18("10","7","3","8","3","6","1") = "9"
    & skf18("10","7","3","8","3","7","1") = "9"
    & skf18("10","7","3","8","3","8","1") = "9"
    & skf18("10","7","3","8","3","9","1") = "9"
    & skf18("10","7","3","8","3","10","1") = "9"
    & skf18("10","7","3","8","4","1","1") = "9"
    & skf18("10","7","3","8","4","2","1") = "9"
    & skf18("10","7","3","8","4","3","1") = "9"
    & skf18("10","7","3","8","4","4","1") = "9"
    & skf18("10","7","3","8","4","5","1") = "9"
    & skf18("10","7","3","8","4","6","1") = "9"
    & skf18("10","7","3","8","4","7","1") = "9"
    & skf18("10","7","3","8","4","8","1") = "9"
    & skf18("10","7","3","8","4","9","1") = "9"
    & skf18("10","7","3","8","4","10","1") = "9"
    & skf18("10","7","3","8","5","1","1") = "9"
    & skf18("10","7","3","8","5","2","1") = "9"
    & skf18("10","7","3","8","5","3","1") = "9"
    & skf18("10","7","3","8","5","4","1") = "9"
    & skf18("10","7","3","8","5","5","1") = "9"
    & skf18("10","7","3","8","5","6","1") = "9"
    & skf18("10","7","3","8","5","7","1") = "9"
    & skf18("10","7","3","8","5","8","1") = "9"
    & skf18("10","7","3","8","5","9","1") = "9"
    & skf18("10","7","3","8","5","10","1") = "9"
    & skf18("10","7","3","8","6","1","1") = "9"
    & skf18("10","7","3","8","6","2","1") = "9"
    & skf18("10","7","3","8","6","3","1") = "9"
    & skf18("10","7","3","8","6","4","1") = "9"
    & skf18("10","7","3","8","6","5","1") = "9"
    & skf18("10","7","3","8","6","6","1") = "9"
    & skf18("10","7","3","8","6","7","1") = "9"
    & skf18("10","7","3","8","6","8","1") = "9"
    & skf18("10","7","3","8","6","9","1") = "9"
    & skf18("10","7","3","8","6","10","1") = "9"
    & skf18("10","7","3","8","7","1","1") = "9"
    & skf18("10","7","3","8","7","2","1") = "9"
    & skf18("10","7","3","8","7","3","1") = "9"
    & skf18("10","7","3","8","7","4","1") = "9"
    & skf18("10","7","3","8","7","5","1") = "9"
    & skf18("10","7","3","8","7","6","1") = "9"
    & skf18("10","7","3","8","7","7","1") = "9"
    & skf18("10","7","3","8","7","8","1") = "9"
    & skf18("10","7","3","8","7","9","1") = "9"
    & skf18("10","7","3","8","7","10","1") = "9"
    & skf18("10","7","3","8","8","1","1") = "9"
    & skf18("10","7","3","8","8","2","1") = "9"
    & skf18("10","7","3","8","8","3","1") = "9"
    & skf18("10","7","3","8","8","4","1") = "9"
    & skf18("10","7","3","8","8","5","1") = "9"
    & skf18("10","7","3","8","8","6","1") = "9"
    & skf18("10","7","3","8","8","7","1") = "9"
    & skf18("10","7","3","8","8","8","1") = "9"
    & skf18("10","7","3","8","8","9","1") = "9"
    & skf18("10","7","3","8","8","10","1") = "9"
    & skf18("10","7","3","8","9","1","1") = "9"
    & skf18("10","7","3","8","9","2","1") = "9"
    & skf18("10","7","3","8","9","3","1") = "9"
    & skf18("10","7","3","8","9","4","1") = "9"
    & skf18("10","7","3","8","9","5","1") = "9"
    & skf18("10","7","3","8","9","6","1") = "9"
    & skf18("10","7","3","8","9","7","1") = "9"
    & skf18("10","7","3","8","9","8","1") = "9"
    & skf18("10","7","3","8","9","9","1") = "9"
    & skf18("10","7","3","8","9","10","1") = "9"
    & skf18("10","7","3","8","10","1","1") = "9"
    & skf18("10","7","3","8","10","2","1") = "9"
    & skf18("10","7","3","8","10","3","1") = "9"
    & skf18("10","7","3","8","10","4","1") = "9"
    & skf18("10","7","3","8","10","5","1") = "9"
    & skf18("10","7","3","8","10","6","1") = "9"
    & skf18("10","7","3","8","10","7","1") = "9"
    & skf18("10","7","3","8","10","8","1") = "9"
    & skf18("10","7","3","8","10","9","1") = "9"
    & skf18("10","7","3","8","10","10","1") = "9"
    & skf18("10","7","3","9","1","1","1") = "9"
    & skf18("10","7","3","9","1","2","1") = "9"
    & skf18("10","7","3","9","1","3","1") = "9"
    & skf18("10","7","3","9","1","4","1") = "9"
    & skf18("10","7","3","9","1","5","1") = "9"
    & skf18("10","7","3","9","1","6","1") = "9"
    & skf18("10","7","3","9","1","7","1") = "9"
    & skf18("10","7","3","9","1","8","1") = "9"
    & skf18("10","7","3","9","1","9","1") = "9"
    & skf18("10","7","3","9","1","10","1") = "9"
    & skf18("10","7","3","9","2","1","1") = "9"
    & skf18("10","7","3","9","2","2","1") = "9"
    & skf18("10","7","3","9","2","3","1") = "9"
    & skf18("10","7","3","9","2","4","1") = "9"
    & skf18("10","7","3","9","2","5","1") = "9"
    & skf18("10","7","3","9","2","6","1") = "9"
    & skf18("10","7","3","9","2","7","1") = "9"
    & skf18("10","7","3","9","2","8","1") = "9"
    & skf18("10","7","3","9","2","9","1") = "9"
    & skf18("10","7","3","9","2","10","1") = "9"
    & skf18("10","7","3","9","3","1","1") = "9"
    & skf18("10","7","3","9","3","2","1") = "9"
    & skf18("10","7","3","9","3","3","1") = "9"
    & skf18("10","7","3","9","3","4","1") = "9"
    & skf18("10","7","3","9","3","5","1") = "9"
    & skf18("10","7","3","9","3","6","1") = "9"
    & skf18("10","7","3","9","3","7","1") = "9"
    & skf18("10","7","3","9","3","8","1") = "9"
    & skf18("10","7","3","9","3","9","1") = "9"
    & skf18("10","7","3","9","3","10","1") = "9"
    & skf18("10","7","3","9","4","1","1") = "9"
    & skf18("10","7","3","9","4","2","1") = "9"
    & skf18("10","7","3","9","4","3","1") = "9"
    & skf18("10","7","3","9","4","4","1") = "9"
    & skf18("10","7","3","9","4","5","1") = "9"
    & skf18("10","7","3","9","4","6","1") = "9"
    & skf18("10","7","3","9","4","7","1") = "9"
    & skf18("10","7","3","9","4","8","1") = "9"
    & skf18("10","7","3","9","4","9","1") = "9"
    & skf18("10","7","3","9","4","10","1") = "9"
    & skf18("10","7","3","9","5","1","1") = "9"
    & skf18("10","7","3","9","5","2","1") = "9"
    & skf18("10","7","3","9","5","3","1") = "9"
    & skf18("10","7","3","9","5","4","1") = "9"
    & skf18("10","7","3","9","5","5","1") = "9"
    & skf18("10","7","3","9","5","6","1") = "9"
    & skf18("10","7","3","9","5","7","1") = "9"
    & skf18("10","7","3","9","5","8","1") = "9"
    & skf18("10","7","3","9","5","9","1") = "9"
    & skf18("10","7","3","9","5","10","1") = "9"
    & skf18("10","7","3","9","6","1","1") = "9"
    & skf18("10","7","3","9","6","2","1") = "9"
    & skf18("10","7","3","9","6","3","1") = "9"
    & skf18("10","7","3","9","6","4","1") = "9"
    & skf18("10","7","3","9","6","5","1") = "9"
    & skf18("10","7","3","9","6","6","1") = "9"
    & skf18("10","7","3","9","6","7","1") = "9"
    & skf18("10","7","3","9","6","8","1") = "9"
    & skf18("10","7","3","9","6","9","1") = "9"
    & skf18("10","7","3","9","6","10","1") = "9"
    & skf18("10","7","3","9","7","1","1") = "9"
    & skf18("10","7","3","9","7","2","1") = "9"
    & skf18("10","7","3","9","7","3","1") = "9"
    & skf18("10","7","3","9","7","4","1") = "9"
    & skf18("10","7","3","9","7","5","1") = "9"
    & skf18("10","7","3","9","7","6","1") = "9"
    & skf18("10","7","3","9","7","7","1") = "9"
    & skf18("10","7","3","9","7","8","1") = "9"
    & skf18("10","7","3","9","7","9","1") = "9"
    & skf18("10","7","3","9","7","10","1") = "9"
    & skf18("10","7","3","9","8","1","1") = "9"
    & skf18("10","7","3","9","8","2","1") = "9"
    & skf18("10","7","3","9","8","3","1") = "9"
    & skf18("10","7","3","9","8","4","1") = "9"
    & skf18("10","7","3","9","8","5","1") = "9"
    & skf18("10","7","3","9","8","6","1") = "9"
    & skf18("10","7","3","9","8","7","1") = "9"
    & skf18("10","7","3","9","8","8","1") = "9"
    & skf18("10","7","3","9","8","9","1") = "9"
    & skf18("10","7","3","9","8","10","1") = "9"
    & skf18("10","7","3","9","9","1","1") = "9"
    & skf18("10","7","3","9","9","2","1") = "9"
    & skf18("10","7","3","9","9","3","1") = "9"
    & skf18("10","7","3","9","9","4","1") = "9"
    & skf18("10","7","3","9","9","5","1") = "9"
    & skf18("10","7","3","9","9","6","1") = "9"
    & skf18("10","7","3","9","9","7","1") = "9"
    & skf18("10","7","3","9","9","8","1") = "9"
    & skf18("10","7","3","9","9","9","1") = "9"
    & skf18("10","7","3","9","9","10","1") = "9"
    & skf18("10","7","3","9","10","1","1") = "9"
    & skf18("10","7","3","9","10","2","1") = "9"
    & skf18("10","7","3","9","10","3","1") = "9"
    & skf18("10","7","3","9","10","4","1") = "9"
    & skf18("10","7","3","9","10","5","1") = "9"
    & skf18("10","7","3","9","10","6","1") = "9"
    & skf18("10","7","3","9","10","7","1") = "9"
    & skf18("10","7","3","9","10","8","1") = "9"
    & skf18("10","7","3","9","10","9","1") = "9"
    & skf18("10","7","3","9","10","10","1") = "9"
    & skf18("10","7","3","10","1","1","1") = "9"
    & skf18("10","7","3","10","1","2","1") = "9"
    & skf18("10","7","3","10","1","3","1") = "9"
    & skf18("10","7","3","10","1","4","1") = "9"
    & skf18("10","7","3","10","1","5","1") = "9"
    & skf18("10","7","3","10","1","6","1") = "9"
    & skf18("10","7","3","10","1","7","1") = "9"
    & skf18("10","7","3","10","1","8","1") = "9"
    & skf18("10","7","3","10","1","9","1") = "9"
    & skf18("10","7","3","10","1","10","1") = "9"
    & skf18("10","7","3","10","2","1","1") = "9"
    & skf18("10","7","3","10","2","2","1") = "9"
    & skf18("10","7","3","10","2","3","1") = "9"
    & skf18("10","7","3","10","2","4","1") = "9"
    & skf18("10","7","3","10","2","5","1") = "9"
    & skf18("10","7","3","10","2","6","1") = "9"
    & skf18("10","7","3","10","2","7","1") = "9"
    & skf18("10","7","3","10","2","8","1") = "9"
    & skf18("10","7","3","10","2","9","1") = "9"
    & skf18("10","7","3","10","2","10","1") = "9"
    & skf18("10","7","3","10","3","1","1") = "9"
    & skf18("10","7","3","10","3","2","1") = "9"
    & skf18("10","7","3","10","3","3","1") = "9"
    & skf18("10","7","3","10","3","4","1") = "9"
    & skf18("10","7","3","10","3","5","1") = "9"
    & skf18("10","7","3","10","3","6","1") = "9"
    & skf18("10","7","3","10","3","7","1") = "9"
    & skf18("10","7","3","10","3","8","1") = "9"
    & skf18("10","7","3","10","3","9","1") = "9"
    & skf18("10","7","3","10","3","10","1") = "9"
    & skf18("10","7","3","10","4","1","1") = "9"
    & skf18("10","7","3","10","4","2","1") = "9"
    & skf18("10","7","3","10","4","3","1") = "9"
    & skf18("10","7","3","10","4","4","1") = "9"
    & skf18("10","7","3","10","4","5","1") = "9"
    & skf18("10","7","3","10","4","6","1") = "9"
    & skf18("10","7","3","10","4","7","1") = "9"
    & skf18("10","7","3","10","4","8","1") = "9"
    & skf18("10","7","3","10","4","9","1") = "9"
    & skf18("10","7","3","10","4","10","1") = "9"
    & skf18("10","7","3","10","5","1","1") = "9"
    & skf18("10","7","3","10","5","2","1") = "9"
    & skf18("10","7","3","10","5","3","1") = "9"
    & skf18("10","7","3","10","5","4","1") = "9"
    & skf18("10","7","3","10","5","5","1") = "9"
    & skf18("10","7","3","10","5","6","1") = "9"
    & skf18("10","7","3","10","5","7","1") = "9"
    & skf18("10","7","3","10","5","8","1") = "9"
    & skf18("10","7","3","10","5","9","1") = "9"
    & skf18("10","7","3","10","5","10","1") = "9"
    & skf18("10","7","3","10","6","1","1") = "9"
    & skf18("10","7","3","10","6","2","1") = "9"
    & skf18("10","7","3","10","6","3","1") = "9"
    & skf18("10","7","3","10","6","4","1") = "9"
    & skf18("10","7","3","10","6","5","1") = "9"
    & skf18("10","7","3","10","6","6","1") = "9"
    & skf18("10","7","3","10","6","7","1") = "9"
    & skf18("10","7","3","10","6","8","1") = "9"
    & skf18("10","7","3","10","6","9","1") = "9"
    & skf18("10","7","3","10","6","10","1") = "9"
    & skf18("10","7","3","10","7","1","1") = "9"
    & skf18("10","7","3","10","7","2","1") = "9"
    & skf18("10","7","3","10","7","3","1") = "9"
    & skf18("10","7","3","10","7","4","1") = "9"
    & skf18("10","7","3","10","7","5","1") = "9"
    & skf18("10","7","3","10","7","6","1") = "9"
    & skf18("10","7","3","10","7","7","1") = "9"
    & skf18("10","7","3","10","7","8","1") = "9"
    & skf18("10","7","3","10","7","9","1") = "9"
    & skf18("10","7","3","10","7","10","1") = "9"
    & skf18("10","7","3","10","8","1","1") = "9"
    & skf18("10","7","3","10","8","2","1") = "9"
    & skf18("10","7","3","10","8","3","1") = "9"
    & skf18("10","7","3","10","8","4","1") = "9"
    & skf18("10","7","3","10","8","5","1") = "9"
    & skf18("10","7","3","10","8","6","1") = "9"
    & skf18("10","7","3","10","8","7","1") = "9"
    & skf18("10","7","3","10","8","8","1") = "9"
    & skf18("10","7","3","10","8","9","1") = "9"
    & skf18("10","7","3","10","8","10","1") = "9"
    & skf18("10","7","3","10","9","1","1") = "9"
    & skf18("10","7","3","10","9","2","1") = "9"
    & skf18("10","7","3","10","9","3","1") = "9"
    & skf18("10","7","3","10","9","4","1") = "9"
    & skf18("10","7","3","10","9","5","1") = "9"
    & skf18("10","7","3","10","9","6","1") = "9"
    & skf18("10","7","3","10","9","7","1") = "9"
    & skf18("10","7","3","10","9","8","1") = "9"
    & skf18("10","7","3","10","9","9","1") = "9"
    & skf18("10","7","3","10","9","10","1") = "9"
    & skf18("10","7","3","10","10","1","1") = "9"
    & skf18("10","7","3","10","10","2","1") = "9"
    & skf18("10","7","3","10","10","3","1") = "9"
    & skf18("10","7","3","10","10","4","1") = "9"
    & skf18("10","7","3","10","10","5","1") = "9"
    & skf18("10","7","3","10","10","6","1") = "9"
    & skf18("10","7","3","10","10","7","1") = "9"
    & skf18("10","7","3","10","10","8","1") = "9"
    & skf18("10","7","3","10","10","9","1") = "9"
    & skf18("10","7","3","10","10","10","1") = "9"
    & skf18("10","7","4","1","1","1","1") = "9"
    & skf18("10","7","4","1","1","2","1") = "9"
    & skf18("10","7","4","1","1","3","1") = "9"
    & skf18("10","7","4","1","1","4","1") = "9"
    & skf18("10","7","4","1","1","5","1") = "9"
    & skf18("10","7","4","1","1","6","1") = "9"
    & skf18("10","7","4","1","1","7","1") = "9"
    & skf18("10","7","4","1","1","8","1") = "9"
    & skf18("10","7","4","1","1","9","1") = "9"
    & skf18("10","7","4","1","1","10","1") = "9"
    & skf18("10","7","4","1","2","1","1") = "9"
    & skf18("10","7","4","1","2","2","1") = "9"
    & skf18("10","7","4","1","2","3","1") = "9"
    & skf18("10","7","4","1","2","4","1") = "9"
    & skf18("10","7","4","1","2","5","1") = "9"
    & skf18("10","7","4","1","2","6","1") = "9"
    & skf18("10","7","4","1","2","7","1") = "9"
    & skf18("10","7","4","1","2","8","1") = "9"
    & skf18("10","7","4","1","2","9","1") = "9"
    & skf18("10","7","4","1","2","10","1") = "9"
    & skf18("10","7","4","1","3","1","1") = "9"
    & skf18("10","7","4","1","3","2","1") = "9"
    & skf18("10","7","4","1","3","3","1") = "9"
    & skf18("10","7","4","1","3","4","1") = "9"
    & skf18("10","7","4","1","3","5","1") = "9"
    & skf18("10","7","4","1","3","6","1") = "9"
    & skf18("10","7","4","1","3","7","1") = "9"
    & skf18("10","7","4","1","3","8","1") = "9"
    & skf18("10","7","4","1","3","9","1") = "9"
    & skf18("10","7","4","1","3","10","1") = "9"
    & skf18("10","7","4","1","4","1","1") = "9"
    & skf18("10","7","4","1","4","2","1") = "9"
    & skf18("10","7","4","1","4","3","1") = "9"
    & skf18("10","7","4","1","4","4","1") = "9"
    & skf18("10","7","4","1","4","5","1") = "9"
    & skf18("10","7","4","1","4","6","1") = "9"
    & skf18("10","7","4","1","4","7","1") = "9"
    & skf18("10","7","4","1","4","8","1") = "9"
    & skf18("10","7","4","1","4","9","1") = "9"
    & skf18("10","7","4","1","4","10","1") = "9"
    & skf18("10","7","4","1","5","1","1") = "9"
    & skf18("10","7","4","1","5","2","1") = "9"
    & skf18("10","7","4","1","5","3","1") = "9"
    & skf18("10","7","4","1","5","4","1") = "9"
    & skf18("10","7","4","1","5","5","1") = "9"
    & skf18("10","7","4","1","5","6","1") = "9"
    & skf18("10","7","4","1","5","7","1") = "9"
    & skf18("10","7","4","1","5","8","1") = "9"
    & skf18("10","7","4","1","5","9","1") = "9"
    & skf18("10","7","4","1","5","10","1") = "9"
    & skf18("10","7","4","1","6","1","1") = "9"
    & skf18("10","7","4","1","6","2","1") = "9"
    & skf18("10","7","4","1","6","3","1") = "9"
    & skf18("10","7","4","1","6","4","1") = "9"
    & skf18("10","7","4","1","6","5","1") = "9"
    & skf18("10","7","4","1","6","6","1") = "9"
    & skf18("10","7","4","1","6","7","1") = "9"
    & skf18("10","7","4","1","6","8","1") = "9"
    & skf18("10","7","4","1","6","9","1") = "9"
    & skf18("10","7","4","1","6","10","1") = "9"
    & skf18("10","7","4","1","7","1","1") = "9"
    & skf18("10","7","4","1","7","2","1") = "9"
    & skf18("10","7","4","1","7","3","1") = "9"
    & skf18("10","7","4","1","7","4","1") = "9"
    & skf18("10","7","4","1","7","5","1") = "9"
    & skf18("10","7","4","1","7","6","1") = "9"
    & skf18("10","7","4","1","7","7","1") = "9"
    & skf18("10","7","4","1","7","8","1") = "9"
    & skf18("10","7","4","1","7","9","1") = "9"
    & skf18("10","7","4","1","7","10","1") = "9"
    & skf18("10","7","4","1","8","1","1") = "9"
    & skf18("10","7","4","1","8","2","1") = "9"
    & skf18("10","7","4","1","8","3","1") = "9"
    & skf18("10","7","4","1","8","4","1") = "9"
    & skf18("10","7","4","1","8","5","1") = "9"
    & skf18("10","7","4","1","8","6","1") = "9"
    & skf18("10","7","4","1","8","7","1") = "9"
    & skf18("10","7","4","1","8","8","1") = "9"
    & skf18("10","7","4","1","8","9","1") = "9"
    & skf18("10","7","4","1","8","10","1") = "9"
    & skf18("10","7","4","1","9","1","1") = "9"
    & skf18("10","7","4","1","9","2","1") = "9"
    & skf18("10","7","4","1","9","3","1") = "9"
    & skf18("10","7","4","1","9","4","1") = "9"
    & skf18("10","7","4","1","9","5","1") = "9"
    & skf18("10","7","4","1","9","6","1") = "9"
    & skf18("10","7","4","1","9","7","1") = "9"
    & skf18("10","7","4","1","9","8","1") = "9"
    & skf18("10","7","4","1","9","9","1") = "9"
    & skf18("10","7","4","1","9","10","1") = "9"
    & skf18("10","7","4","1","10","1","1") = "9"
    & skf18("10","7","4","1","10","2","1") = "9"
    & skf18("10","7","4","1","10","3","1") = "9"
    & skf18("10","7","4","1","10","4","1") = "9"
    & skf18("10","7","4","1","10","5","1") = "9"
    & skf18("10","7","4","1","10","6","1") = "9"
    & skf18("10","7","4","1","10","7","1") = "9"
    & skf18("10","7","4","1","10","8","1") = "9"
    & skf18("10","7","4","1","10","9","1") = "9"
    & skf18("10","7","4","1","10","10","1") = "9"
    & skf18("10","7","4","2","1","1","1") = "9"
    & skf18("10","7","4","2","1","2","1") = "9"
    & skf18("10","7","4","2","1","3","1") = "9"
    & skf18("10","7","4","2","1","4","1") = "9"
    & skf18("10","7","4","2","1","5","1") = "9"
    & skf18("10","7","4","2","1","6","1") = "9"
    & skf18("10","7","4","2","1","7","1") = "9"
    & skf18("10","7","4","2","1","8","1") = "9"
    & skf18("10","7","4","2","1","9","1") = "9"
    & skf18("10","7","4","2","1","10","1") = "9"
    & skf18("10","7","4","2","2","1","1") = "9"
    & skf18("10","7","4","2","2","2","1") = "9"
    & skf18("10","7","4","2","2","3","1") = "9"
    & skf18("10","7","4","2","2","4","1") = "9"
    & skf18("10","7","4","2","2","5","1") = "9"
    & skf18("10","7","4","2","2","6","1") = "9"
    & skf18("10","7","4","2","2","7","1") = "9"
    & skf18("10","7","4","2","2","8","1") = "9"
    & skf18("10","7","4","2","2","9","1") = "9"
    & skf18("10","7","4","2","2","10","1") = "9"
    & skf18("10","7","4","2","3","1","1") = "9"
    & skf18("10","7","4","2","3","2","1") = "9"
    & skf18("10","7","4","2","3","3","1") = "9"
    & skf18("10","7","4","2","3","4","1") = "9"
    & skf18("10","7","4","2","3","5","1") = "9"
    & skf18("10","7","4","2","3","6","1") = "9"
    & skf18("10","7","4","2","3","7","1") = "9"
    & skf18("10","7","4","2","3","8","1") = "9"
    & skf18("10","7","4","2","3","9","1") = "9"
    & skf18("10","7","4","2","3","10","1") = "9"
    & skf18("10","7","4","2","4","1","1") = "9"
    & skf18("10","7","4","2","4","2","1") = "9"
    & skf18("10","7","4","2","4","3","1") = "9"
    & skf18("10","7","4","2","4","4","1") = "9"
    & skf18("10","7","4","2","4","5","1") = "9"
    & skf18("10","7","4","2","4","6","1") = "9"
    & skf18("10","7","4","2","4","7","1") = "9"
    & skf18("10","7","4","2","4","8","1") = "9"
    & skf18("10","7","4","2","4","9","1") = "9"
    & skf18("10","7","4","2","4","10","1") = "9"
    & skf18("10","7","4","2","5","1","1") = "9"
    & skf18("10","7","4","2","5","2","1") = "9"
    & skf18("10","7","4","2","5","3","1") = "9"
    & skf18("10","7","4","2","5","4","1") = "9"
    & skf18("10","7","4","2","5","5","1") = "9"
    & skf18("10","7","4","2","5","6","1") = "9"
    & skf18("10","7","4","2","5","7","1") = "9"
    & skf18("10","7","4","2","5","8","1") = "9"
    & skf18("10","7","4","2","5","9","1") = "9"
    & skf18("10","7","4","2","5","10","1") = "9"
    & skf18("10","7","4","2","6","1","1") = "9"
    & skf18("10","7","4","2","6","2","1") = "9"
    & skf18("10","7","4","2","6","3","1") = "9"
    & skf18("10","7","4","2","6","4","1") = "9"
    & skf18("10","7","4","2","6","5","1") = "9"
    & skf18("10","7","4","2","6","6","1") = "9"
    & skf18("10","7","4","2","6","7","1") = "9"
    & skf18("10","7","4","2","6","8","1") = "9"
    & skf18("10","7","4","2","6","9","1") = "9"
    & skf18("10","7","4","2","6","10","1") = "9"
    & skf18("10","7","4","2","7","1","1") = "9"
    & skf18("10","7","4","2","7","2","1") = "9"
    & skf18("10","7","4","2","7","3","1") = "9"
    & skf18("10","7","4","2","7","4","1") = "9"
    & skf18("10","7","4","2","7","5","1") = "9"
    & skf18("10","7","4","2","7","6","1") = "9"
    & skf18("10","7","4","2","7","7","1") = "9"
    & skf18("10","7","4","2","7","8","1") = "9"
    & skf18("10","7","4","2","7","9","1") = "9"
    & skf18("10","7","4","2","7","10","1") = "9"
    & skf18("10","7","4","2","8","1","1") = "9"
    & skf18("10","7","4","2","8","2","1") = "9"
    & skf18("10","7","4","2","8","3","1") = "9"
    & skf18("10","7","4","2","8","4","1") = "9"
    & skf18("10","7","4","2","8","5","1") = "9"
    & skf18("10","7","4","2","8","6","1") = "9"
    & skf18("10","7","4","2","8","7","1") = "9"
    & skf18("10","7","4","2","8","8","1") = "9"
    & skf18("10","7","4","2","8","9","1") = "9"
    & skf18("10","7","4","2","8","10","1") = "9"
    & skf18("10","7","4","2","9","1","1") = "9"
    & skf18("10","7","4","2","9","2","1") = "9"
    & skf18("10","7","4","2","9","3","1") = "9"
    & skf18("10","7","4","2","9","4","1") = "9"
    & skf18("10","7","4","2","9","5","1") = "9"
    & skf18("10","7","4","2","9","6","1") = "9"
    & skf18("10","7","4","2","9","7","1") = "9"
    & skf18("10","7","4","2","9","8","1") = "9"
    & skf18("10","7","4","2","9","9","1") = "9"
    & skf18("10","7","4","2","9","10","1") = "9"
    & skf18("10","7","4","2","10","1","1") = "9"
    & skf18("10","7","4","2","10","2","1") = "9"
    & skf18("10","7","4","2","10","3","1") = "9"
    & skf18("10","7","4","2","10","4","1") = "9"
    & skf18("10","7","4","2","10","5","1") = "9"
    & skf18("10","7","4","2","10","6","1") = "9"
    & skf18("10","7","4","2","10","7","1") = "9"
    & skf18("10","7","4","2","10","8","1") = "9"
    & skf18("10","7","4","2","10","9","1") = "9"
    & skf18("10","7","4","2","10","10","1") = "9"
    & skf18("10","7","4","3","1","1","1") = "9"
    & skf18("10","7","4","3","1","2","1") = "9"
    & skf18("10","7","4","3","1","3","1") = "9"
    & skf18("10","7","4","3","1","4","1") = "9"
    & skf18("10","7","4","3","1","5","1") = "9"
    & skf18("10","7","4","3","1","6","1") = "9"
    & skf18("10","7","4","3","1","7","1") = "9"
    & skf18("10","7","4","3","1","8","1") = "9"
    & skf18("10","7","4","3","1","9","1") = "9"
    & skf18("10","7","4","3","1","10","1") = "9"
    & skf18("10","7","4","3","2","1","1") = "9"
    & skf18("10","7","4","3","2","2","1") = "9"
    & skf18("10","7","4","3","2","3","1") = "9"
    & skf18("10","7","4","3","2","4","1") = "9"
    & skf18("10","7","4","3","2","5","1") = "9"
    & skf18("10","7","4","3","2","6","1") = "9"
    & skf18("10","7","4","3","2","7","1") = "9"
    & skf18("10","7","4","3","2","8","1") = "9"
    & skf18("10","7","4","3","2","9","1") = "9"
    & skf18("10","7","4","3","2","10","1") = "9"
    & skf18("10","7","4","3","3","1","1") = "9"
    & skf18("10","7","4","3","3","2","1") = "9"
    & skf18("10","7","4","3","3","3","1") = "9"
    & skf18("10","7","4","3","3","4","1") = "9"
    & skf18("10","7","4","3","3","5","1") = "9"
    & skf18("10","7","4","3","3","6","1") = "9"
    & skf18("10","7","4","3","3","7","1") = "9"
    & skf18("10","7","4","3","3","8","1") = "9"
    & skf18("10","7","4","3","3","9","1") = "9"
    & skf18("10","7","4","3","3","10","1") = "9"
    & skf18("10","7","4","3","4","1","1") = "9"
    & skf18("10","7","4","3","4","2","1") = "9"
    & skf18("10","7","4","3","4","3","1") = "9"
    & skf18("10","7","4","3","4","4","1") = "9"
    & skf18("10","7","4","3","4","5","1") = "9"
    & skf18("10","7","4","3","4","6","1") = "9"
    & skf18("10","7","4","3","4","7","1") = "9"
    & skf18("10","7","4","3","4","8","1") = "9"
    & skf18("10","7","4","3","4","9","1") = "9"
    & skf18("10","7","4","3","4","10","1") = "9"
    & skf18("10","7","4","3","5","1","1") = "9"
    & skf18("10","7","4","3","5","2","1") = "9"
    & skf18("10","7","4","3","5","3","1") = "9"
    & skf18("10","7","4","3","5","4","1") = "9"
    & skf18("10","7","4","3","5","5","1") = "9"
    & skf18("10","7","4","3","5","6","1") = "9"
    & skf18("10","7","4","3","5","7","1") = "9"
    & skf18("10","7","4","3","5","8","1") = "9"
    & skf18("10","7","4","3","5","9","1") = "9"
    & skf18("10","7","4","3","5","10","1") = "9"
    & skf18("10","7","4","3","6","1","1") = "9"
    & skf18("10","7","4","3","6","2","1") = "9"
    & skf18("10","7","4","3","6","3","1") = "9"
    & skf18("10","7","4","3","6","4","1") = "9"
    & skf18("10","7","4","3","6","5","1") = "9"
    & skf18("10","7","4","3","6","6","1") = "9"
    & skf18("10","7","4","3","6","7","1") = "9"
    & skf18("10","7","4","3","6","8","1") = "9"
    & skf18("10","7","4","3","6","9","1") = "9"
    & skf18("10","7","4","3","6","10","1") = "9"
    & skf18("10","7","4","3","7","1","1") = "9"
    & skf18("10","7","4","3","7","2","1") = "9"
    & skf18("10","7","4","3","7","3","1") = "9"
    & skf18("10","7","4","3","7","4","1") = "9"
    & skf18("10","7","4","3","7","5","1") = "9"
    & skf18("10","7","4","3","7","6","1") = "9"
    & skf18("10","7","4","3","7","7","1") = "9"
    & skf18("10","7","4","3","7","8","1") = "9"
    & skf18("10","7","4","3","7","9","1") = "9"
    & skf18("10","7","4","3","7","10","1") = "9"
    & skf18("10","7","4","3","8","1","1") = "9"
    & skf18("10","7","4","3","8","2","1") = "9"
    & skf18("10","7","4","3","8","3","1") = "9"
    & skf18("10","7","4","3","8","4","1") = "9"
    & skf18("10","7","4","3","8","5","1") = "9"
    & skf18("10","7","4","3","8","6","1") = "9"
    & skf18("10","7","4","3","8","7","1") = "9"
    & skf18("10","7","4","3","8","8","1") = "9"
    & skf18("10","7","4","3","8","9","1") = "9"
    & skf18("10","7","4","3","8","10","1") = "9"
    & skf18("10","7","4","3","9","1","1") = "9"
    & skf18("10","7","4","3","9","2","1") = "9"
    & skf18("10","7","4","3","9","3","1") = "9"
    & skf18("10","7","4","3","9","4","1") = "9"
    & skf18("10","7","4","3","9","5","1") = "9"
    & skf18("10","7","4","3","9","6","1") = "9"
    & skf18("10","7","4","3","9","7","1") = "9"
    & skf18("10","7","4","3","9","8","1") = "9"
    & skf18("10","7","4","3","9","9","1") = "9"
    & skf18("10","7","4","3","9","10","1") = "9"
    & skf18("10","7","4","3","10","1","1") = "9"
    & skf18("10","7","4","3","10","2","1") = "9"
    & skf18("10","7","4","3","10","3","1") = "9"
    & skf18("10","7","4","3","10","4","1") = "9"
    & skf18("10","7","4","3","10","5","1") = "9"
    & skf18("10","7","4","3","10","6","1") = "9"
    & skf18("10","7","4","3","10","7","1") = "9"
    & skf18("10","7","4","3","10","8","1") = "9"
    & skf18("10","7","4","3","10","9","1") = "9"
    & skf18("10","7","4","3","10","10","1") = "9"
    & skf18("10","7","4","4","1","1","1") = "9"
    & skf18("10","7","4","4","1","2","1") = "9"
    & skf18("10","7","4","4","1","3","1") = "9"
    & skf18("10","7","4","4","1","4","1") = "9"
    & skf18("10","7","4","4","1","5","1") = "9"
    & skf18("10","7","4","4","1","6","1") = "9"
    & skf18("10","7","4","4","1","7","1") = "9"
    & skf18("10","7","4","4","1","8","1") = "9"
    & skf18("10","7","4","4","1","9","1") = "9"
    & skf18("10","7","4","4","1","10","1") = "9"
    & skf18("10","7","4","4","2","1","1") = "9"
    & skf18("10","7","4","4","2","2","1") = "9"
    & skf18("10","7","4","4","2","3","1") = "9"
    & skf18("10","7","4","4","2","4","1") = "9"
    & skf18("10","7","4","4","2","5","1") = "9"
    & skf18("10","7","4","4","2","6","1") = "9"
    & skf18("10","7","4","4","2","7","1") = "9"
    & skf18("10","7","4","4","2","8","1") = "9"
    & skf18("10","7","4","4","2","9","1") = "9"
    & skf18("10","7","4","4","2","10","1") = "9"
    & skf18("10","7","4","4","3","1","1") = "9"
    & skf18("10","7","4","4","3","2","1") = "9"
    & skf18("10","7","4","4","3","3","1") = "9"
    & skf18("10","7","4","4","3","4","1") = "9"
    & skf18("10","7","4","4","3","5","1") = "9"
    & skf18("10","7","4","4","3","6","1") = "9"
    & skf18("10","7","4","4","3","7","1") = "9"
    & skf18("10","7","4","4","3","8","1") = "9"
    & skf18("10","7","4","4","3","9","1") = "9"
    & skf18("10","7","4","4","3","10","1") = "9"
    & skf18("10","7","4","4","4","1","1") = "9"
    & skf18("10","7","4","4","4","2","1") = "9"
    & skf18("10","7","4","4","4","3","1") = "9"
    & skf18("10","7","4","4","4","4","1") = "9"
    & skf18("10","7","4","4","4","5","1") = "9"
    & skf18("10","7","4","4","4","6","1") = "9"
    & skf18("10","7","4","4","4","7","1") = "9"
    & skf18("10","7","4","4","4","8","1") = "9"
    & skf18("10","7","4","4","4","9","1") = "9"
    & skf18("10","7","4","4","4","10","1") = "9"
    & skf18("10","7","4","4","5","1","1") = "9"
    & skf18("10","7","4","4","5","2","1") = "9"
    & skf18("10","7","4","4","5","3","1") = "9"
    & skf18("10","7","4","4","5","4","1") = "9"
    & skf18("10","7","4","4","5","5","1") = "9"
    & skf18("10","7","4","4","5","6","1") = "9"
    & skf18("10","7","4","4","5","7","1") = "9"
    & skf18("10","7","4","4","5","8","1") = "9"
    & skf18("10","7","4","4","5","9","1") = "9"
    & skf18("10","7","4","4","5","10","1") = "9"
    & skf18("10","7","4","4","6","1","1") = "9"
    & skf18("10","7","4","4","6","2","1") = "9"
    & skf18("10","7","4","4","6","3","1") = "9"
    & skf18("10","7","4","4","6","4","1") = "9"
    & skf18("10","7","4","4","6","5","1") = "9"
    & skf18("10","7","4","4","6","6","1") = "9"
    & skf18("10","7","4","4","6","7","1") = "9"
    & skf18("10","7","4","4","6","8","1") = "9"
    & skf18("10","7","4","4","6","9","1") = "9"
    & skf18("10","7","4","4","6","10","1") = "9"
    & skf18("10","7","4","4","7","1","1") = "9"
    & skf18("10","7","4","4","7","2","1") = "9"
    & skf18("10","7","4","4","7","3","1") = "9"
    & skf18("10","7","4","4","7","4","1") = "9"
    & skf18("10","7","4","4","7","5","1") = "9"
    & skf18("10","7","4","4","7","6","1") = "9"
    & skf18("10","7","4","4","7","7","1") = "9"
    & skf18("10","7","4","4","7","8","1") = "9"
    & skf18("10","7","4","4","7","9","1") = "9"
    & skf18("10","7","4","4","7","10","1") = "9"
    & skf18("10","7","4","4","8","1","1") = "9"
    & skf18("10","7","4","4","8","2","1") = "9"
    & skf18("10","7","4","4","8","3","1") = "9"
    & skf18("10","7","4","4","8","4","1") = "9"
    & skf18("10","7","4","4","8","5","1") = "9"
    & skf18("10","7","4","4","8","6","1") = "9"
    & skf18("10","7","4","4","8","7","1") = "9"
    & skf18("10","7","4","4","8","8","1") = "9"
    & skf18("10","7","4","4","8","9","1") = "9"
    & skf18("10","7","4","4","8","10","1") = "9"
    & skf18("10","7","4","4","9","1","1") = "9"
    & skf18("10","7","4","4","9","2","1") = "9"
    & skf18("10","7","4","4","9","3","1") = "9"
    & skf18("10","7","4","4","9","4","1") = "9"
    & skf18("10","7","4","4","9","5","1") = "9"
    & skf18("10","7","4","4","9","6","1") = "9"
    & skf18("10","7","4","4","9","7","1") = "9"
    & skf18("10","7","4","4","9","8","1") = "9"
    & skf18("10","7","4","4","9","9","1") = "9"
    & skf18("10","7","4","4","9","10","1") = "9"
    & skf18("10","7","4","4","10","1","1") = "9"
    & skf18("10","7","4","4","10","2","1") = "9"
    & skf18("10","7","4","4","10","3","1") = "9"
    & skf18("10","7","4","4","10","4","1") = "9"
    & skf18("10","7","4","4","10","5","1") = "9"
    & skf18("10","7","4","4","10","6","1") = "9"
    & skf18("10","7","4","4","10","7","1") = "9"
    & skf18("10","7","4","4","10","8","1") = "9"
    & skf18("10","7","4","4","10","9","1") = "9"
    & skf18("10","7","4","4","10","10","1") = "9"
    & skf18("10","7","4","5","1","1","1") = "9"
    & skf18("10","7","4","5","1","2","1") = "9"
    & skf18("10","7","4","5","1","3","1") = "9"
    & skf18("10","7","4","5","1","4","1") = "9"
    & skf18("10","7","4","5","1","5","1") = "9"
    & skf18("10","7","4","5","1","6","1") = "9"
    & skf18("10","7","4","5","1","7","1") = "9"
    & skf18("10","7","4","5","1","8","1") = "9"
    & skf18("10","7","4","5","1","9","1") = "9"
    & skf18("10","7","4","5","1","10","1") = "9"
    & skf18("10","7","4","5","2","1","1") = "9"
    & skf18("10","7","4","5","2","2","1") = "9"
    & skf18("10","7","4","5","2","3","1") = "9"
    & skf18("10","7","4","5","2","4","1") = "9"
    & skf18("10","7","4","5","2","5","1") = "9"
    & skf18("10","7","4","5","2","6","1") = "9"
    & skf18("10","7","4","5","2","7","1") = "9"
    & skf18("10","7","4","5","2","8","1") = "9"
    & skf18("10","7","4","5","2","9","1") = "9"
    & skf18("10","7","4","5","2","10","1") = "9"
    & skf18("10","7","4","5","3","1","1") = "9"
    & skf18("10","7","4","5","3","2","1") = "9"
    & skf18("10","7","4","5","3","3","1") = "9"
    & skf18("10","7","4","5","3","4","1") = "9"
    & skf18("10","7","4","5","3","5","1") = "9"
    & skf18("10","7","4","5","3","6","1") = "9"
    & skf18("10","7","4","5","3","7","1") = "9"
    & skf18("10","7","4","5","3","8","1") = "9"
    & skf18("10","7","4","5","3","9","1") = "9"
    & skf18("10","7","4","5","3","10","1") = "9"
    & skf18("10","7","4","5","4","1","1") = "9"
    & skf18("10","7","4","5","4","2","1") = "9"
    & skf18("10","7","4","5","4","3","1") = "9"
    & skf18("10","7","4","5","4","4","1") = "9"
    & skf18("10","7","4","5","4","5","1") = "9"
    & skf18("10","7","4","5","4","6","1") = "9"
    & skf18("10","7","4","5","4","7","1") = "9"
    & skf18("10","7","4","5","4","8","1") = "9"
    & skf18("10","7","4","5","4","9","1") = "9"
    & skf18("10","7","4","5","4","10","1") = "9"
    & skf18("10","7","4","5","5","1","1") = "9"
    & skf18("10","7","4","5","5","2","1") = "9"
    & skf18("10","7","4","5","5","3","1") = "9"
    & skf18("10","7","4","5","5","4","1") = "9"
    & skf18("10","7","4","5","5","5","1") = "9"
    & skf18("10","7","4","5","5","6","1") = "9"
    & skf18("10","7","4","5","5","7","1") = "9"
    & skf18("10","7","4","5","5","8","1") = "9"
    & skf18("10","7","4","5","5","9","1") = "9"
    & skf18("10","7","4","5","5","10","1") = "9"
    & skf18("10","7","4","5","6","1","1") = "9"
    & skf18("10","7","4","5","6","2","1") = "9"
    & skf18("10","7","4","5","6","3","1") = "9"
    & skf18("10","7","4","5","6","4","1") = "9"
    & skf18("10","7","4","5","6","5","1") = "9"
    & skf18("10","7","4","5","6","6","1") = "9"
    & skf18("10","7","4","5","6","7","1") = "9"
    & skf18("10","7","4","5","6","8","1") = "9"
    & skf18("10","7","4","5","6","9","1") = "9"
    & skf18("10","7","4","5","6","10","1") = "9"
    & skf18("10","7","4","5","7","1","1") = "9"
    & skf18("10","7","4","5","7","2","1") = "9"
    & skf18("10","7","4","5","7","3","1") = "9"
    & skf18("10","7","4","5","7","4","1") = "9"
    & skf18("10","7","4","5","7","5","1") = "9"
    & skf18("10","7","4","5","7","6","1") = "9"
    & skf18("10","7","4","5","7","7","1") = "9"
    & skf18("10","7","4","5","7","8","1") = "9"
    & skf18("10","7","4","5","7","9","1") = "9"
    & skf18("10","7","4","5","7","10","1") = "9"
    & skf18("10","7","4","5","8","1","1") = "9"
    & skf18("10","7","4","5","8","2","1") = "9"
    & skf18("10","7","4","5","8","3","1") = "9"
    & skf18("10","7","4","5","8","4","1") = "9"
    & skf18("10","7","4","5","8","5","1") = "9"
    & skf18("10","7","4","5","8","6","1") = "9"
    & skf18("10","7","4","5","8","7","1") = "9"
    & skf18("10","7","4","5","8","8","1") = "9"
    & skf18("10","7","4","5","8","9","1") = "9"
    & skf18("10","7","4","5","8","10","1") = "9"
    & skf18("10","7","4","5","9","1","1") = "9"
    & skf18("10","7","4","5","9","2","1") = "9"
    & skf18("10","7","4","5","9","3","1") = "9"
    & skf18("10","7","4","5","9","4","1") = "9"
    & skf18("10","7","4","5","9","5","1") = "9"
    & skf18("10","7","4","5","9","6","1") = "9"
    & skf18("10","7","4","5","9","7","1") = "9"
    & skf18("10","7","4","5","9","8","1") = "9"
    & skf18("10","7","4","5","9","9","1") = "9"
    & skf18("10","7","4","5","9","10","1") = "9"
    & skf18("10","7","4","5","10","1","1") = "9"
    & skf18("10","7","4","5","10","2","1") = "9"
    & skf18("10","7","4","5","10","3","1") = "9"
    & skf18("10","7","4","5","10","4","1") = "9"
    & skf18("10","7","4","5","10","5","1") = "9"
    & skf18("10","7","4","5","10","6","1") = "9"
    & skf18("10","7","4","5","10","7","1") = "9"
    & skf18("10","7","4","5","10","8","1") = "9"
    & skf18("10","7","4","5","10","9","1") = "9"
    & skf18("10","7","4","5","10","10","1") = "9"
    & skf18("10","7","4","6","1","1","1") = "9"
    & skf18("10","7","4","6","1","2","1") = "9"
    & skf18("10","7","4","6","1","3","1") = "9"
    & skf18("10","7","4","6","1","4","1") = "9"
    & skf18("10","7","4","6","1","5","1") = "9"
    & skf18("10","7","4","6","1","6","1") = "9"
    & skf18("10","7","4","6","1","7","1") = "9"
    & skf18("10","7","4","6","1","8","1") = "9"
    & skf18("10","7","4","6","1","9","1") = "9"
    & skf18("10","7","4","6","1","10","1") = "9"
    & skf18("10","7","4","6","2","1","1") = "9"
    & skf18("10","7","4","6","2","2","1") = "9"
    & skf18("10","7","4","6","2","3","1") = "9"
    & skf18("10","7","4","6","2","4","1") = "9"
    & skf18("10","7","4","6","2","5","1") = "9"
    & skf18("10","7","4","6","2","6","1") = "9"
    & skf18("10","7","4","6","2","7","1") = "9"
    & skf18("10","7","4","6","2","8","1") = "9"
    & skf18("10","7","4","6","2","9","1") = "9"
    & skf18("10","7","4","6","2","10","1") = "9"
    & skf18("10","7","4","6","3","1","1") = "9"
    & skf18("10","7","4","6","3","2","1") = "9"
    & skf18("10","7","4","6","3","3","1") = "9"
    & skf18("10","7","4","6","3","4","1") = "9"
    & skf18("10","7","4","6","3","5","1") = "9"
    & skf18("10","7","4","6","3","6","1") = "9"
    & skf18("10","7","4","6","3","7","1") = "9"
    & skf18("10","7","4","6","3","8","1") = "9"
    & skf18("10","7","4","6","3","9","1") = "9"
    & skf18("10","7","4","6","3","10","1") = "9"
    & skf18("10","7","4","6","4","1","1") = "9"
    & skf18("10","7","4","6","4","2","1") = "9"
    & skf18("10","7","4","6","4","3","1") = "9"
    & skf18("10","7","4","6","4","4","1") = "9"
    & skf18("10","7","4","6","4","5","1") = "9"
    & skf18("10","7","4","6","4","6","1") = "9"
    & skf18("10","7","4","6","4","7","1") = "9"
    & skf18("10","7","4","6","4","8","1") = "9"
    & skf18("10","7","4","6","4","9","1") = "9"
    & skf18("10","7","4","6","4","10","1") = "9"
    & skf18("10","7","4","6","5","1","1") = "9"
    & skf18("10","7","4","6","5","2","1") = "9"
    & skf18("10","7","4","6","5","3","1") = "9"
    & skf18("10","7","4","6","5","4","1") = "9"
    & skf18("10","7","4","6","5","5","1") = "9"
    & skf18("10","7","4","6","5","6","1") = "9"
    & skf18("10","7","4","6","5","7","1") = "9"
    & skf18("10","7","4","6","5","8","1") = "9"
    & skf18("10","7","4","6","5","9","1") = "9"
    & skf18("10","7","4","6","5","10","1") = "9"
    & skf18("10","7","4","6","6","1","1") = "9"
    & skf18("10","7","4","6","6","2","1") = "9"
    & skf18("10","7","4","6","6","3","1") = "9"
    & skf18("10","7","4","6","6","4","1") = "9"
    & skf18("10","7","4","6","6","5","1") = "9"
    & skf18("10","7","4","6","6","6","1") = "9"
    & skf18("10","7","4","6","6","7","1") = "9"
    & skf18("10","7","4","6","6","8","1") = "9"
    & skf18("10","7","4","6","6","9","1") = "9"
    & skf18("10","7","4","6","6","10","1") = "9"
    & skf18("10","7","4","6","7","1","1") = "9"
    & skf18("10","7","4","6","7","2","1") = "9"
    & skf18("10","7","4","6","7","3","1") = "9"
    & skf18("10","7","4","6","7","4","1") = "9"
    & skf18("10","7","4","6","7","5","1") = "9"
    & skf18("10","7","4","6","7","6","1") = "9"
    & skf18("10","7","4","6","7","7","1") = "9"
    & skf18("10","7","4","6","7","8","1") = "9"
    & skf18("10","7","4","6","7","9","1") = "9"
    & skf18("10","7","4","6","7","10","1") = "9"
    & skf18("10","7","4","6","8","1","1") = "9"
    & skf18("10","7","4","6","8","2","1") = "9"
    & skf18("10","7","4","6","8","3","1") = "9"
    & skf18("10","7","4","6","8","4","1") = "9"
    & skf18("10","7","4","6","8","5","1") = "9"
    & skf18("10","7","4","6","8","6","1") = "9"
    & skf18("10","7","4","6","8","7","1") = "9"
    & skf18("10","7","4","6","8","8","1") = "9"
    & skf18("10","7","4","6","8","9","1") = "9"
    & skf18("10","7","4","6","8","10","1") = "9"
    & skf18("10","7","4","6","9","1","1") = "9"
    & skf18("10","7","4","6","9","2","1") = "9"
    & skf18("10","7","4","6","9","3","1") = "9"
    & skf18("10","7","4","6","9","4","1") = "9"
    & skf18("10","7","4","6","9","5","1") = "9"
    & skf18("10","7","4","6","9","6","1") = "9"
    & skf18("10","7","4","6","9","7","1") = "9"
    & skf18("10","7","4","6","9","8","1") = "9"
    & skf18("10","7","4","6","9","9","1") = "9"
    & skf18("10","7","4","6","9","10","1") = "9"
    & skf18("10","7","4","6","10","1","1") = "9"
    & skf18("10","7","4","6","10","2","1") = "9"
    & skf18("10","7","4","6","10","3","1") = "9"
    & skf18("10","7","4","6","10","4","1") = "9"
    & skf18("10","7","4","6","10","5","1") = "9"
    & skf18("10","7","4","6","10","6","1") = "9"
    & skf18("10","7","4","6","10","7","1") = "9"
    & skf18("10","7","4","6","10","8","1") = "9"
    & skf18("10","7","4","6","10","9","1") = "9"
    & skf18("10","7","4","6","10","10","1") = "9"
    & skf18("10","7","4","7","1","1","1") = "9"
    & skf18("10","7","4","7","1","2","1") = "9"
    & skf18("10","7","4","7","1","3","1") = "9"
    & skf18("10","7","4","7","1","4","1") = "9"
    & skf18("10","7","4","7","1","5","1") = "9"
    & skf18("10","7","4","7","1","6","1") = "9"
    & skf18("10","7","4","7","1","7","1") = "9"
    & skf18("10","7","4","7","1","8","1") = "9"
    & skf18("10","7","4","7","1","9","1") = "9"
    & skf18("10","7","4","7","1","10","1") = "9"
    & skf18("10","7","4","7","2","1","1") = "9"
    & skf18("10","7","4","7","2","2","1") = "9"
    & skf18("10","7","4","7","2","3","1") = "9"
    & skf18("10","7","4","7","2","4","1") = "9"
    & skf18("10","7","4","7","2","5","1") = "9"
    & skf18("10","7","4","7","2","6","1") = "9"
    & skf18("10","7","4","7","2","7","1") = "9"
    & skf18("10","7","4","7","2","8","1") = "9"
    & skf18("10","7","4","7","2","9","1") = "9"
    & skf18("10","7","4","7","2","10","1") = "9"
    & skf18("10","7","4","7","3","1","1") = "9"
    & skf18("10","7","4","7","3","2","1") = "9"
    & skf18("10","7","4","7","3","3","1") = "9"
    & skf18("10","7","4","7","3","4","1") = "9"
    & skf18("10","7","4","7","3","5","1") = "9"
    & skf18("10","7","4","7","3","6","1") = "9"
    & skf18("10","7","4","7","3","7","1") = "9"
    & skf18("10","7","4","7","3","8","1") = "9"
    & skf18("10","7","4","7","3","9","1") = "9"
    & skf18("10","7","4","7","3","10","1") = "9"
    & skf18("10","7","4","7","4","1","1") = "9"
    & skf18("10","7","4","7","4","2","1") = "9"
    & skf18("10","7","4","7","4","3","1") = "9"
    & skf18("10","7","4","7","4","4","1") = "9"
    & skf18("10","7","4","7","4","5","1") = "9"
    & skf18("10","7","4","7","4","6","1") = "9"
    & skf18("10","7","4","7","4","7","1") = "9"
    & skf18("10","7","4","7","4","8","1") = "9"
    & skf18("10","7","4","7","4","9","1") = "9"
    & skf18("10","7","4","7","4","10","1") = "9"
    & skf18("10","7","4","7","5","1","1") = "9"
    & skf18("10","7","4","7","5","2","1") = "9"
    & skf18("10","7","4","7","5","3","1") = "9"
    & skf18("10","7","4","7","5","4","1") = "9"
    & skf18("10","7","4","7","5","5","1") = "9"
    & skf18("10","7","4","7","5","6","1") = "9"
    & skf18("10","7","4","7","5","7","1") = "9"
    & skf18("10","7","4","7","5","8","1") = "9"
    & skf18("10","7","4","7","5","9","1") = "9"
    & skf18("10","7","4","7","5","10","1") = "9"
    & skf18("10","7","4","7","6","1","1") = "9"
    & skf18("10","7","4","7","6","2","1") = "9"
    & skf18("10","7","4","7","6","3","1") = "9"
    & skf18("10","7","4","7","6","4","1") = "9"
    & skf18("10","7","4","7","6","5","1") = "9"
    & skf18("10","7","4","7","6","6","1") = "9"
    & skf18("10","7","4","7","6","7","1") = "9"
    & skf18("10","7","4","7","6","8","1") = "9"
    & skf18("10","7","4","7","6","9","1") = "9"
    & skf18("10","7","4","7","6","10","1") = "9"
    & skf18("10","7","4","7","7","1","1") = "9"
    & skf18("10","7","4","7","7","2","1") = "9"
    & skf18("10","7","4","7","7","3","1") = "9"
    & skf18("10","7","4","7","7","4","1") = "9"
    & skf18("10","7","4","7","7","5","1") = "9"
    & skf18("10","7","4","7","7","6","1") = "9"
    & skf18("10","7","4","7","7","7","1") = "9"
    & skf18("10","7","4","7","7","8","1") = "9"
    & skf18("10","7","4","7","7","9","1") = "9"
    & skf18("10","7","4","7","7","10","1") = "9"
    & skf18("10","7","4","7","8","1","1") = "9"
    & skf18("10","7","4","7","8","2","1") = "9"
    & skf18("10","7","4","7","8","3","1") = "9"
    & skf18("10","7","4","7","8","4","1") = "9"
    & skf18("10","7","4","7","8","5","1") = "9"
    & skf18("10","7","4","7","8","6","1") = "9"
    & skf18("10","7","4","7","8","7","1") = "9"
    & skf18("10","7","4","7","8","8","1") = "9"
    & skf18("10","7","4","7","8","9","1") = "9"
    & skf18("10","7","4","7","8","10","1") = "9"
    & skf18("10","7","4","7","9","1","1") = "9"
    & skf18("10","7","4","7","9","2","1") = "9"
    & skf18("10","7","4","7","9","3","1") = "9"
    & skf18("10","7","4","7","9","4","1") = "9"
    & skf18("10","7","4","7","9","5","1") = "9"
    & skf18("10","7","4","7","9","6","1") = "9"
    & skf18("10","7","4","7","9","7","1") = "9"
    & skf18("10","7","4","7","9","8","1") = "9"
    & skf18("10","7","4","7","9","9","1") = "9"
    & skf18("10","7","4","7","9","10","1") = "9"
    & skf18("10","7","4","7","10","1","1") = "9"
    & skf18("10","7","4","7","10","2","1") = "9"
    & skf18("10","7","4","7","10","3","1") = "9"
    & skf18("10","7","4","7","10","4","1") = "9"
    & skf18("10","7","4","7","10","5","1") = "9"
    & skf18("10","7","4","7","10","6","1") = "9"
    & skf18("10","7","4","7","10","7","1") = "9"
    & skf18("10","7","4","7","10","8","1") = "9"
    & skf18("10","7","4","7","10","9","1") = "9"
    & skf18("10","7","4","7","10","10","1") = "9"
    & skf18("10","7","4","8","1","1","1") = "9"
    & skf18("10","7","4","8","1","2","1") = "9"
    & skf18("10","7","4","8","1","3","1") = "9"
    & skf18("10","7","4","8","1","4","1") = "9"
    & skf18("10","7","4","8","1","5","1") = "9"
    & skf18("10","7","4","8","1","6","1") = "9"
    & skf18("10","7","4","8","1","7","1") = "9"
    & skf18("10","7","4","8","1","8","1") = "9"
    & skf18("10","7","4","8","1","9","1") = "9"
    & skf18("10","7","4","8","1","10","1") = "9"
    & skf18("10","7","4","8","2","1","1") = "9"
    & skf18("10","7","4","8","2","2","1") = "9"
    & skf18("10","7","4","8","2","3","1") = "9"
    & skf18("10","7","4","8","2","4","1") = "9"
    & skf18("10","7","4","8","2","5","1") = "9"
    & skf18("10","7","4","8","2","6","1") = "9"
    & skf18("10","7","4","8","2","7","1") = "9"
    & skf18("10","7","4","8","2","8","1") = "9"
    & skf18("10","7","4","8","2","9","1") = "9"
    & skf18("10","7","4","8","2","10","1") = "9"
    & skf18("10","7","4","8","3","1","1") = "9"
    & skf18("10","7","4","8","3","2","1") = "9"
    & skf18("10","7","4","8","3","3","1") = "9"
    & skf18("10","7","4","8","3","4","1") = "9"
    & skf18("10","7","4","8","3","5","1") = "9"
    & skf18("10","7","4","8","3","6","1") = "9"
    & skf18("10","7","4","8","3","7","1") = "9"
    & skf18("10","7","4","8","3","8","1") = "9"
    & skf18("10","7","4","8","3","9","1") = "9"
    & skf18("10","7","4","8","3","10","1") = "9"
    & skf18("10","7","4","8","4","1","1") = "9"
    & skf18("10","7","4","8","4","2","1") = "9"
    & skf18("10","7","4","8","4","3","1") = "9"
    & skf18("10","7","4","8","4","4","1") = "9"
    & skf18("10","7","4","8","4","5","1") = "9"
    & skf18("10","7","4","8","4","6","1") = "9"
    & skf18("10","7","4","8","4","7","1") = "9"
    & skf18("10","7","4","8","4","8","1") = "9"
    & skf18("10","7","4","8","4","9","1") = "9"
    & skf18("10","7","4","8","4","10","1") = "9"
    & skf18("10","7","4","8","5","1","1") = "9"
    & skf18("10","7","4","8","5","2","1") = "9"
    & skf18("10","7","4","8","5","3","1") = "9"
    & skf18("10","7","4","8","5","4","1") = "9"
    & skf18("10","7","4","8","5","5","1") = "9"
    & skf18("10","7","4","8","5","6","1") = "9"
    & skf18("10","7","4","8","5","7","1") = "9"
    & skf18("10","7","4","8","5","8","1") = "9"
    & skf18("10","7","4","8","5","9","1") = "9"
    & skf18("10","7","4","8","5","10","1") = "9"
    & skf18("10","7","4","8","6","1","1") = "9"
    & skf18("10","7","4","8","6","2","1") = "9"
    & skf18("10","7","4","8","6","3","1") = "9"
    & skf18("10","7","4","8","6","4","1") = "9"
    & skf18("10","7","4","8","6","5","1") = "9"
    & skf18("10","7","4","8","6","6","1") = "9"
    & skf18("10","7","4","8","6","7","1") = "9"
    & skf18("10","7","4","8","6","8","1") = "9"
    & skf18("10","7","4","8","6","9","1") = "9"
    & skf18("10","7","4","8","6","10","1") = "9"
    & skf18("10","7","4","8","7","1","1") = "9"
    & skf18("10","7","4","8","7","2","1") = "9"
    & skf18("10","7","4","8","7","3","1") = "9"
    & skf18("10","7","4","8","7","4","1") = "9"
    & skf18("10","7","4","8","7","5","1") = "9"
    & skf18("10","7","4","8","7","6","1") = "9"
    & skf18("10","7","4","8","7","7","1") = "9"
    & skf18("10","7","4","8","7","8","1") = "9"
    & skf18("10","7","4","8","7","9","1") = "9"
    & skf18("10","7","4","8","7","10","1") = "9"
    & skf18("10","7","4","8","8","1","1") = "9"
    & skf18("10","7","4","8","8","2","1") = "9"
    & skf18("10","7","4","8","8","3","1") = "9"
    & skf18("10","7","4","8","8","4","1") = "9"
    & skf18("10","7","4","8","8","5","1") = "9"
    & skf18("10","7","4","8","8","6","1") = "9"
    & skf18("10","7","4","8","8","7","1") = "9"
    & skf18("10","7","4","8","8","8","1") = "9"
    & skf18("10","7","4","8","8","9","1") = "9"
    & skf18("10","7","4","8","8","10","1") = "9"
    & skf18("10","7","4","8","9","1","1") = "9"
    & skf18("10","7","4","8","9","2","1") = "9"
    & skf18("10","7","4","8","9","3","1") = "9"
    & skf18("10","7","4","8","9","4","1") = "9"
    & skf18("10","7","4","8","9","5","1") = "9"
    & skf18("10","7","4","8","9","6","1") = "9"
    & skf18("10","7","4","8","9","7","1") = "9"
    & skf18("10","7","4","8","9","8","1") = "9"
    & skf18("10","7","4","8","9","9","1") = "9"
    & skf18("10","7","4","8","9","10","1") = "9"
    & skf18("10","7","4","8","10","1","1") = "9"
    & skf18("10","7","4","8","10","2","1") = "9"
    & skf18("10","7","4","8","10","3","1") = "9"
    & skf18("10","7","4","8","10","4","1") = "9"
    & skf18("10","7","4","8","10","5","1") = "9"
    & skf18("10","7","4","8","10","6","1") = "9"
    & skf18("10","7","4","8","10","7","1") = "9"
    & skf18("10","7","4","8","10","8","1") = "9"
    & skf18("10","7","4","8","10","9","1") = "9"
    & skf18("10","7","4","8","10","10","1") = "9"
    & skf18("10","7","4","9","1","1","1") = "9"
    & skf18("10","7","4","9","1","2","1") = "9"
    & skf18("10","7","4","9","1","3","1") = "9"
    & skf18("10","7","4","9","1","4","1") = "9"
    & skf18("10","7","4","9","1","5","1") = "9"
    & skf18("10","7","4","9","1","6","1") = "9"
    & skf18("10","7","4","9","1","7","1") = "9"
    & skf18("10","7","4","9","1","8","1") = "9"
    & skf18("10","7","4","9","1","9","1") = "9"
    & skf18("10","7","4","9","1","10","1") = "9"
    & skf18("10","7","4","9","2","1","1") = "9"
    & skf18("10","7","4","9","2","2","1") = "9"
    & skf18("10","7","4","9","2","3","1") = "9"
    & skf18("10","7","4","9","2","4","1") = "9"
    & skf18("10","7","4","9","2","5","1") = "9"
    & skf18("10","7","4","9","2","6","1") = "9"
    & skf18("10","7","4","9","2","7","1") = "9"
    & skf18("10","7","4","9","2","8","1") = "9"
    & skf18("10","7","4","9","2","9","1") = "9"
    & skf18("10","7","4","9","2","10","1") = "9"
    & skf18("10","7","4","9","3","1","1") = "9"
    & skf18("10","7","4","9","3","2","1") = "9"
    & skf18("10","7","4","9","3","3","1") = "9"
    & skf18("10","7","4","9","3","4","1") = "9"
    & skf18("10","7","4","9","3","5","1") = "9"
    & skf18("10","7","4","9","3","6","1") = "9"
    & skf18("10","7","4","9","3","7","1") = "9"
    & skf18("10","7","4","9","3","8","1") = "9"
    & skf18("10","7","4","9","3","9","1") = "9"
    & skf18("10","7","4","9","3","10","1") = "9"
    & skf18("10","7","4","9","4","1","1") = "9"
    & skf18("10","7","4","9","4","2","1") = "9"
    & skf18("10","7","4","9","4","3","1") = "9"
    & skf18("10","7","4","9","4","4","1") = "9"
    & skf18("10","7","4","9","4","5","1") = "9"
    & skf18("10","7","4","9","4","6","1") = "9"
    & skf18("10","7","4","9","4","7","1") = "9"
    & skf18("10","7","4","9","4","8","1") = "9"
    & skf18("10","7","4","9","4","9","1") = "9"
    & skf18("10","7","4","9","4","10","1") = "9"
    & skf18("10","7","4","9","5","1","1") = "9"
    & skf18("10","7","4","9","5","2","1") = "9"
    & skf18("10","7","4","9","5","3","1") = "9"
    & skf18("10","7","4","9","5","4","1") = "9"
    & skf18("10","7","4","9","5","5","1") = "9"
    & skf18("10","7","4","9","5","6","1") = "9"
    & skf18("10","7","4","9","5","7","1") = "9"
    & skf18("10","7","4","9","5","8","1") = "9"
    & skf18("10","7","4","9","5","9","1") = "9"
    & skf18("10","7","4","9","5","10","1") = "9"
    & skf18("10","7","4","9","6","1","1") = "9"
    & skf18("10","7","4","9","6","2","1") = "9"
    & skf18("10","7","4","9","6","3","1") = "9"
    & skf18("10","7","4","9","6","4","1") = "9"
    & skf18("10","7","4","9","6","5","1") = "9"
    & skf18("10","7","4","9","6","6","1") = "9"
    & skf18("10","7","4","9","6","7","1") = "9"
    & skf18("10","7","4","9","6","8","1") = "9"
    & skf18("10","7","4","9","6","9","1") = "9"
    & skf18("10","7","4","9","6","10","1") = "9"
    & skf18("10","7","4","9","7","1","1") = "9"
    & skf18("10","7","4","9","7","2","1") = "9"
    & skf18("10","7","4","9","7","3","1") = "9"
    & skf18("10","7","4","9","7","4","1") = "9"
    & skf18("10","7","4","9","7","5","1") = "9"
    & skf18("10","7","4","9","7","6","1") = "9"
    & skf18("10","7","4","9","7","7","1") = "9"
    & skf18("10","7","4","9","7","8","1") = "9"
    & skf18("10","7","4","9","7","9","1") = "9"
    & skf18("10","7","4","9","7","10","1") = "9"
    & skf18("10","7","4","9","8","1","1") = "9"
    & skf18("10","7","4","9","8","2","1") = "9"
    & skf18("10","7","4","9","8","3","1") = "9"
    & skf18("10","7","4","9","8","4","1") = "9"
    & skf18("10","7","4","9","8","5","1") = "9"
    & skf18("10","7","4","9","8","6","1") = "9"
    & skf18("10","7","4","9","8","7","1") = "9"
    & skf18("10","7","4","9","8","8","1") = "9"
    & skf18("10","7","4","9","8","9","1") = "9"
    & skf18("10","7","4","9","8","10","1") = "9"
    & skf18("10","7","4","9","9","1","1") = "9"
    & skf18("10","7","4","9","9","2","1") = "9"
    & skf18("10","7","4","9","9","3","1") = "9"
    & skf18("10","7","4","9","9","4","1") = "9"
    & skf18("10","7","4","9","9","5","1") = "9"
    & skf18("10","7","4","9","9","6","1") = "9"
    & skf18("10","7","4","9","9","7","1") = "9"
    & skf18("10","7","4","9","9","8","1") = "9"
    & skf18("10","7","4","9","9","9","1") = "9"
    & skf18("10","7","4","9","9","10","1") = "9"
    & skf18("10","7","4","9","10","1","1") = "9"
    & skf18("10","7","4","9","10","2","1") = "9"
    & skf18("10","7","4","9","10","3","1") = "9"
    & skf18("10","7","4","9","10","4","1") = "9"
    & skf18("10","7","4","9","10","5","1") = "9"
    & skf18("10","7","4","9","10","6","1") = "9"
    & skf18("10","7","4","9","10","7","1") = "9"
    & skf18("10","7","4","9","10","8","1") = "9"
    & skf18("10","7","4","9","10","9","1") = "9"
    & skf18("10","7","4","9","10","10","1") = "9"
    & skf18("10","7","4","10","1","1","1") = "9"
    & skf18("10","7","4","10","1","2","1") = "9"
    & skf18("10","7","4","10","1","3","1") = "9"
    & skf18("10","7","4","10","1","4","1") = "9"
    & skf18("10","7","4","10","1","5","1") = "9"
    & skf18("10","7","4","10","1","6","1") = "9"
    & skf18("10","7","4","10","1","7","1") = "9"
    & skf18("10","7","4","10","1","8","1") = "9"
    & skf18("10","7","4","10","1","9","1") = "9"
    & skf18("10","7","4","10","1","10","1") = "9"
    & skf18("10","7","4","10","2","1","1") = "9"
    & skf18("10","7","4","10","2","2","1") = "9"
    & skf18("10","7","4","10","2","3","1") = "9"
    & skf18("10","7","4","10","2","4","1") = "9"
    & skf18("10","7","4","10","2","5","1") = "9"
    & skf18("10","7","4","10","2","6","1") = "9"
    & skf18("10","7","4","10","2","7","1") = "9"
    & skf18("10","7","4","10","2","8","1") = "9"
    & skf18("10","7","4","10","2","9","1") = "9"
    & skf18("10","7","4","10","2","10","1") = "9"
    & skf18("10","7","4","10","3","1","1") = "9"
    & skf18("10","7","4","10","3","2","1") = "9"
    & skf18("10","7","4","10","3","3","1") = "9"
    & skf18("10","7","4","10","3","4","1") = "9"
    & skf18("10","7","4","10","3","5","1") = "9"
    & skf18("10","7","4","10","3","6","1") = "9"
    & skf18("10","7","4","10","3","7","1") = "9"
    & skf18("10","7","4","10","3","8","1") = "9"
    & skf18("10","7","4","10","3","9","1") = "9"
    & skf18("10","7","4","10","3","10","1") = "9"
    & skf18("10","7","4","10","4","1","1") = "9"
    & skf18("10","7","4","10","4","2","1") = "9"
    & skf18("10","7","4","10","4","3","1") = "9"
    & skf18("10","7","4","10","4","4","1") = "9"
    & skf18("10","7","4","10","4","5","1") = "9"
    & skf18("10","7","4","10","4","6","1") = "9"
    & skf18("10","7","4","10","4","7","1") = "9"
    & skf18("10","7","4","10","4","8","1") = "9"
    & skf18("10","7","4","10","4","9","1") = "9"
    & skf18("10","7","4","10","4","10","1") = "9"
    & skf18("10","7","4","10","5","1","1") = "9"
    & skf18("10","7","4","10","5","2","1") = "9"
    & skf18("10","7","4","10","5","3","1") = "9"
    & skf18("10","7","4","10","5","4","1") = "9"
    & skf18("10","7","4","10","5","5","1") = "9"
    & skf18("10","7","4","10","5","6","1") = "9"
    & skf18("10","7","4","10","5","7","1") = "9"
    & skf18("10","7","4","10","5","8","1") = "9"
    & skf18("10","7","4","10","5","9","1") = "9"
    & skf18("10","7","4","10","5","10","1") = "9"
    & skf18("10","7","4","10","6","1","1") = "9"
    & skf18("10","7","4","10","6","2","1") = "9"
    & skf18("10","7","4","10","6","3","1") = "9"
    & skf18("10","7","4","10","6","4","1") = "9"
    & skf18("10","7","4","10","6","5","1") = "9"
    & skf18("10","7","4","10","6","6","1") = "9"
    & skf18("10","7","4","10","6","7","1") = "9"
    & skf18("10","7","4","10","6","8","1") = "9"
    & skf18("10","7","4","10","6","9","1") = "9"
    & skf18("10","7","4","10","6","10","1") = "9"
    & skf18("10","7","4","10","7","1","1") = "9"
    & skf18("10","7","4","10","7","2","1") = "9"
    & skf18("10","7","4","10","7","3","1") = "9"
    & skf18("10","7","4","10","7","4","1") = "9"
    & skf18("10","7","4","10","7","5","1") = "9"
    & skf18("10","7","4","10","7","6","1") = "9"
    & skf18("10","7","4","10","7","7","1") = "9"
    & skf18("10","7","4","10","7","8","1") = "9"
    & skf18("10","7","4","10","7","9","1") = "9"
    & skf18("10","7","4","10","7","10","1") = "9"
    & skf18("10","7","4","10","8","1","1") = "9"
    & skf18("10","7","4","10","8","2","1") = "9"
    & skf18("10","7","4","10","8","3","1") = "9"
    & skf18("10","7","4","10","8","4","1") = "9"
    & skf18("10","7","4","10","8","5","1") = "9"
    & skf18("10","7","4","10","8","6","1") = "9"
    & skf18("10","7","4","10","8","7","1") = "9"
    & skf18("10","7","4","10","8","8","1") = "9"
    & skf18("10","7","4","10","8","9","1") = "9"
    & skf18("10","7","4","10","8","10","1") = "9"
    & skf18("10","7","4","10","9","1","1") = "9"
    & skf18("10","7","4","10","9","2","1") = "9"
    & skf18("10","7","4","10","9","3","1") = "9"
    & skf18("10","7","4","10","9","4","1") = "9"
    & skf18("10","7","4","10","9","5","1") = "9"
    & skf18("10","7","4","10","9","6","1") = "9"
    & skf18("10","7","4","10","9","7","1") = "9"
    & skf18("10","7","4","10","9","8","1") = "9"
    & skf18("10","7","4","10","9","9","1") = "9"
    & skf18("10","7","4","10","9","10","1") = "9"
    & skf18("10","7","4","10","10","1","1") = "9"
    & skf18("10","7","4","10","10","2","1") = "9"
    & skf18("10","7","4","10","10","3","1") = "9"
    & skf18("10","7","4","10","10","4","1") = "9"
    & skf18("10","7","4","10","10","5","1") = "9"
    & skf18("10","7","4","10","10","6","1") = "9"
    & skf18("10","7","4","10","10","7","1") = "9"
    & skf18("10","7","4","10","10","8","1") = "9"
    & skf18("10","7","4","10","10","9","1") = "9"
    & skf18("10","7","4","10","10","10","1") = "9"
    & skf18("10","7","5","1","1","1","1") = "9"
    & skf18("10","7","5","1","1","2","1") = "9"
    & skf18("10","7","5","1","1","3","1") = "9"
    & skf18("10","7","5","1","1","4","1") = "9"
    & skf18("10","7","5","1","1","5","1") = "9"
    & skf18("10","7","5","1","1","6","1") = "9"
    & skf18("10","7","5","1","1","7","1") = "9"
    & skf18("10","7","5","1","1","8","1") = "9"
    & skf18("10","7","5","1","1","9","1") = "9"
    & skf18("10","7","5","1","1","10","1") = "9"
    & skf18("10","7","5","1","2","1","1") = "9"
    & skf18("10","7","5","1","2","2","1") = "9"
    & skf18("10","7","5","1","2","3","1") = "9"
    & skf18("10","7","5","1","2","4","1") = "9"
    & skf18("10","7","5","1","2","5","1") = "9"
    & skf18("10","7","5","1","2","6","1") = "9"
    & skf18("10","7","5","1","2","7","1") = "9"
    & skf18("10","7","5","1","2","8","1") = "9"
    & skf18("10","7","5","1","2","9","1") = "9"
    & skf18("10","7","5","1","2","10","1") = "9"
    & skf18("10","7","5","1","3","1","1") = "9"
    & skf18("10","7","5","1","3","2","1") = "9"
    & skf18("10","7","5","1","3","3","1") = "9"
    & skf18("10","7","5","1","3","4","1") = "9"
    & skf18("10","7","5","1","3","5","1") = "9"
    & skf18("10","7","5","1","3","6","1") = "9"
    & skf18("10","7","5","1","3","7","1") = "9"
    & skf18("10","7","5","1","3","8","1") = "9"
    & skf18("10","7","5","1","3","9","1") = "9"
    & skf18("10","7","5","1","3","10","1") = "9"
    & skf18("10","7","5","1","4","1","1") = "9"
    & skf18("10","7","5","1","4","2","1") = "9"
    & skf18("10","7","5","1","4","3","1") = "9"
    & skf18("10","7","5","1","4","4","1") = "9"
    & skf18("10","7","5","1","4","5","1") = "9"
    & skf18("10","7","5","1","4","6","1") = "9"
    & skf18("10","7","5","1","4","7","1") = "9"
    & skf18("10","7","5","1","4","8","1") = "9"
    & skf18("10","7","5","1","4","9","1") = "9"
    & skf18("10","7","5","1","4","10","1") = "9"
    & skf18("10","7","5","1","5","1","1") = "9"
    & skf18("10","7","5","1","5","2","1") = "9"
    & skf18("10","7","5","1","5","3","1") = "9"
    & skf18("10","7","5","1","5","4","1") = "9"
    & skf18("10","7","5","1","5","5","1") = "9"
    & skf18("10","7","5","1","5","6","1") = "9"
    & skf18("10","7","5","1","5","7","1") = "9"
    & skf18("10","7","5","1","5","8","1") = "9"
    & skf18("10","7","5","1","5","9","1") = "9"
    & skf18("10","7","5","1","5","10","1") = "9"
    & skf18("10","7","5","1","6","1","1") = "9"
    & skf18("10","7","5","1","6","2","1") = "9"
    & skf18("10","7","5","1","6","3","1") = "9"
    & skf18("10","7","5","1","6","4","1") = "9"
    & skf18("10","7","5","1","6","5","1") = "9"
    & skf18("10","7","5","1","6","6","1") = "9"
    & skf18("10","7","5","1","6","7","1") = "9"
    & skf18("10","7","5","1","6","8","1") = "9"
    & skf18("10","7","5","1","6","9","1") = "9"
    & skf18("10","7","5","1","6","10","1") = "9"
    & skf18("10","7","5","1","7","1","1") = "9"
    & skf18("10","7","5","1","7","2","1") = "9"
    & skf18("10","7","5","1","7","3","1") = "9"
    & skf18("10","7","5","1","7","4","1") = "9"
    & skf18("10","7","5","1","7","5","1") = "9"
    & skf18("10","7","5","1","7","6","1") = "9"
    & skf18("10","7","5","1","7","7","1") = "9"
    & skf18("10","7","5","1","7","8","1") = "9"
    & skf18("10","7","5","1","7","9","1") = "9"
    & skf18("10","7","5","1","7","10","1") = "9"
    & skf18("10","7","5","1","8","1","1") = "9"
    & skf18("10","7","5","1","8","2","1") = "9"
    & skf18("10","7","5","1","8","3","1") = "9"
    & skf18("10","7","5","1","8","4","1") = "9"
    & skf18("10","7","5","1","8","5","1") = "9"
    & skf18("10","7","5","1","8","6","1") = "9"
    & skf18("10","7","5","1","8","7","1") = "9"
    & skf18("10","7","5","1","8","8","1") = "9"
    & skf18("10","7","5","1","8","9","1") = "9"
    & skf18("10","7","5","1","8","10","1") = "9"
    & skf18("10","7","5","1","9","1","1") = "9"
    & skf18("10","7","5","1","9","2","1") = "9"
    & skf18("10","7","5","1","9","3","1") = "9"
    & skf18("10","7","5","1","9","4","1") = "9"
    & skf18("10","7","5","1","9","5","1") = "9"
    & skf18("10","7","5","1","9","6","1") = "9"
    & skf18("10","7","5","1","9","7","1") = "9"
    & skf18("10","7","5","1","9","8","1") = "9"
    & skf18("10","7","5","1","9","9","1") = "9"
    & skf18("10","7","5","1","9","10","1") = "9"
    & skf18("10","7","5","1","10","1","1") = "9"
    & skf18("10","7","5","1","10","2","1") = "9"
    & skf18("10","7","5","1","10","3","1") = "9"
    & skf18("10","7","5","1","10","4","1") = "9"
    & skf18("10","7","5","1","10","5","1") = "9"
    & skf18("10","7","5","1","10","6","1") = "9"
    & skf18("10","7","5","1","10","7","1") = "9"
    & skf18("10","7","5","1","10","8","1") = "9"
    & skf18("10","7","5","1","10","9","1") = "9"
    & skf18("10","7","5","1","10","10","1") = "9"
    & skf18("10","7","5","2","1","1","1") = "9"
    & skf18("10","7","5","2","1","2","1") = "9"
    & skf18("10","7","5","2","1","3","1") = "9"
    & skf18("10","7","5","2","1","4","1") = "9"
    & skf18("10","7","5","2","1","5","1") = "9"
    & skf18("10","7","5","2","1","6","1") = "9"
    & skf18("10","7","5","2","1","7","1") = "9"
    & skf18("10","7","5","2","1","8","1") = "9"
    & skf18("10","7","5","2","1","9","1") = "9"
    & skf18("10","7","5","2","1","10","1") = "9"
    & skf18("10","7","5","2","2","1","1") = "9"
    & skf18("10","7","5","2","2","2","1") = "9"
    & skf18("10","7","5","2","2","3","1") = "9"
    & skf18("10","7","5","2","2","4","1") = "9"
    & skf18("10","7","5","2","2","5","1") = "9"
    & skf18("10","7","5","2","2","6","1") = "9"
    & skf18("10","7","5","2","2","7","1") = "9"
    & skf18("10","7","5","2","2","8","1") = "9"
    & skf18("10","7","5","2","2","9","1") = "9"
    & skf18("10","7","5","2","2","10","1") = "9"
    & skf18("10","7","5","2","3","1","1") = "9"
    & skf18("10","7","5","2","3","2","1") = "9"
    & skf18("10","7","5","2","3","3","1") = "9"
    & skf18("10","7","5","2","3","4","1") = "9"
    & skf18("10","7","5","2","3","5","1") = "9"
    & skf18("10","7","5","2","3","6","1") = "9"
    & skf18("10","7","5","2","3","7","1") = "9"
    & skf18("10","7","5","2","3","8","1") = "9"
    & skf18("10","7","5","2","3","9","1") = "9"
    & skf18("10","7","5","2","3","10","1") = "9"
    & skf18("10","7","5","2","4","1","1") = "9"
    & skf18("10","7","5","2","4","2","1") = "9"
    & skf18("10","7","5","2","4","3","1") = "9"
    & skf18("10","7","5","2","4","4","1") = "9"
    & skf18("10","7","5","2","4","5","1") = "9"
    & skf18("10","7","5","2","4","6","1") = "9"
    & skf18("10","7","5","2","4","7","1") = "9"
    & skf18("10","7","5","2","4","8","1") = "9"
    & skf18("10","7","5","2","4","9","1") = "9"
    & skf18("10","7","5","2","4","10","1") = "9"
    & skf18("10","7","5","2","5","1","1") = "9"
    & skf18("10","7","5","2","5","2","1") = "9"
    & skf18("10","7","5","2","5","3","1") = "9"
    & skf18("10","7","5","2","5","4","1") = "9"
    & skf18("10","7","5","2","5","5","1") = "9"
    & skf18("10","7","5","2","5","6","1") = "9"
    & skf18("10","7","5","2","5","7","1") = "9"
    & skf18("10","7","5","2","5","8","1") = "9"
    & skf18("10","7","5","2","5","9","1") = "9"
    & skf18("10","7","5","2","5","10","1") = "9"
    & skf18("10","7","5","2","6","1","1") = "9"
    & skf18("10","7","5","2","6","2","1") = "9"
    & skf18("10","7","5","2","6","3","1") = "9"
    & skf18("10","7","5","2","6","4","1") = "9"
    & skf18("10","7","5","2","6","5","1") = "9"
    & skf18("10","7","5","2","6","6","1") = "9"
    & skf18("10","7","5","2","6","7","1") = "9"
    & skf18("10","7","5","2","6","8","1") = "9"
    & skf18("10","7","5","2","6","9","1") = "9"
    & skf18("10","7","5","2","6","10","1") = "9"
    & skf18("10","7","5","2","7","1","1") = "9"
    & skf18("10","7","5","2","7","2","1") = "9"
    & skf18("10","7","5","2","7","3","1") = "9"
    & skf18("10","7","5","2","7","4","1") = "9"
    & skf18("10","7","5","2","7","5","1") = "9"
    & skf18("10","7","5","2","7","6","1") = "9"
    & skf18("10","7","5","2","7","7","1") = "9"
    & skf18("10","7","5","2","7","8","1") = "9"
    & skf18("10","7","5","2","7","9","1") = "9"
    & skf18("10","7","5","2","7","10","1") = "9"
    & skf18("10","7","5","2","8","1","1") = "9"
    & skf18("10","7","5","2","8","2","1") = "9"
    & skf18("10","7","5","2","8","3","1") = "9"
    & skf18("10","7","5","2","8","4","1") = "9"
    & skf18("10","7","5","2","8","5","1") = "9"
    & skf18("10","7","5","2","8","6","1") = "9"
    & skf18("10","7","5","2","8","7","1") = "9"
    & skf18("10","7","5","2","8","8","1") = "9"
    & skf18("10","7","5","2","8","9","1") = "9"
    & skf18("10","7","5","2","8","10","1") = "9"
    & skf18("10","7","5","2","9","1","1") = "9"
    & skf18("10","7","5","2","9","2","1") = "9"
    & skf18("10","7","5","2","9","3","1") = "9"
    & skf18("10","7","5","2","9","4","1") = "9"
    & skf18("10","7","5","2","9","5","1") = "9"
    & skf18("10","7","5","2","9","6","1") = "9"
    & skf18("10","7","5","2","9","7","1") = "9"
    & skf18("10","7","5","2","9","8","1") = "9"
    & skf18("10","7","5","2","9","9","1") = "9"
    & skf18("10","7","5","2","9","10","1") = "9"
    & skf18("10","7","5","2","10","1","1") = "9"
    & skf18("10","7","5","2","10","2","1") = "9"
    & skf18("10","7","5","2","10","3","1") = "9"
    & skf18("10","7","5","2","10","4","1") = "9"
    & skf18("10","7","5","2","10","5","1") = "9"
    & skf18("10","7","5","2","10","6","1") = "9"
    & skf18("10","7","5","2","10","7","1") = "9"
    & skf18("10","7","5","2","10","8","1") = "9"
    & skf18("10","7","5","2","10","9","1") = "9"
    & skf18("10","7","5","2","10","10","1") = "9"
    & skf18("10","7","5","3","1","1","1") = "9"
    & skf18("10","7","5","3","1","2","1") = "9"
    & skf18("10","7","5","3","1","3","1") = "9"
    & skf18("10","7","5","3","1","4","1") = "9"
    & skf18("10","7","5","3","1","5","1") = "9"
    & skf18("10","7","5","3","1","6","1") = "9"
    & skf18("10","7","5","3","1","7","1") = "9"
    & skf18("10","7","5","3","1","8","1") = "9"
    & skf18("10","7","5","3","1","9","1") = "9"
    & skf18("10","7","5","3","1","10","1") = "9"
    & skf18("10","7","5","3","2","1","1") = "9"
    & skf18("10","7","5","3","2","2","1") = "9"
    & skf18("10","7","5","3","2","3","1") = "9"
    & skf18("10","7","5","3","2","4","1") = "9"
    & skf18("10","7","5","3","2","5","1") = "9"
    & skf18("10","7","5","3","2","6","1") = "9"
    & skf18("10","7","5","3","2","7","1") = "9"
    & skf18("10","7","5","3","2","8","1") = "9"
    & skf18("10","7","5","3","2","9","1") = "9"
    & skf18("10","7","5","3","2","10","1") = "9"
    & skf18("10","7","5","3","3","1","1") = "9"
    & skf18("10","7","5","3","3","2","1") = "9"
    & skf18("10","7","5","3","3","3","1") = "9"
    & skf18("10","7","5","3","3","4","1") = "9"
    & skf18("10","7","5","3","3","5","1") = "9"
    & skf18("10","7","5","3","3","6","1") = "9"
    & skf18("10","7","5","3","3","7","1") = "9"
    & skf18("10","7","5","3","3","8","1") = "9"
    & skf18("10","7","5","3","3","9","1") = "9"
    & skf18("10","7","5","3","3","10","1") = "9"
    & skf18("10","7","5","3","4","1","1") = "9"
    & skf18("10","7","5","3","4","2","1") = "9"
    & skf18("10","7","5","3","4","3","1") = "9"
    & skf18("10","7","5","3","4","4","1") = "9"
    & skf18("10","7","5","3","4","5","1") = "9"
    & skf18("10","7","5","3","4","6","1") = "9"
    & skf18("10","7","5","3","4","7","1") = "9"
    & skf18("10","7","5","3","4","8","1") = "9"
    & skf18("10","7","5","3","4","9","1") = "9"
    & skf18("10","7","5","3","4","10","1") = "9"
    & skf18("10","7","5","3","5","1","1") = "9"
    & skf18("10","7","5","3","5","2","1") = "9"
    & skf18("10","7","5","3","5","3","1") = "9"
    & skf18("10","7","5","3","5","4","1") = "9"
    & skf18("10","7","5","3","5","5","1") = "9"
    & skf18("10","7","5","3","5","6","1") = "9"
    & skf18("10","7","5","3","5","7","1") = "9"
    & skf18("10","7","5","3","5","8","1") = "9"
    & skf18("10","7","5","3","5","9","1") = "9"
    & skf18("10","7","5","3","5","10","1") = "9"
    & skf18("10","7","5","3","6","1","1") = "9"
    & skf18("10","7","5","3","6","2","1") = "9"
    & skf18("10","7","5","3","6","3","1") = "9"
    & skf18("10","7","5","3","6","4","1") = "9"
    & skf18("10","7","5","3","6","5","1") = "9"
    & skf18("10","7","5","3","6","6","1") = "9"
    & skf18("10","7","5","3","6","7","1") = "9"
    & skf18("10","7","5","3","6","8","1") = "9"
    & skf18("10","7","5","3","6","9","1") = "9"
    & skf18("10","7","5","3","6","10","1") = "9"
    & skf18("10","7","5","3","7","1","1") = "9"
    & skf18("10","7","5","3","7","2","1") = "9"
    & skf18("10","7","5","3","7","3","1") = "9"
    & skf18("10","7","5","3","7","4","1") = "9"
    & skf18("10","7","5","3","7","5","1") = "9"
    & skf18("10","7","5","3","7","6","1") = "9"
    & skf18("10","7","5","3","7","7","1") = "9"
    & skf18("10","7","5","3","7","8","1") = "9"
    & skf18("10","7","5","3","7","9","1") = "9"
    & skf18("10","7","5","3","7","10","1") = "9"
    & skf18("10","7","5","3","8","1","1") = "9"
    & skf18("10","7","5","3","8","2","1") = "9"
    & skf18("10","7","5","3","8","3","1") = "9"
    & skf18("10","7","5","3","8","4","1") = "9"
    & skf18("10","7","5","3","8","5","1") = "9"
    & skf18("10","7","5","3","8","6","1") = "9"
    & skf18("10","7","5","3","8","7","1") = "9"
    & skf18("10","7","5","3","8","8","1") = "9"
    & skf18("10","7","5","3","8","9","1") = "9"
    & skf18("10","7","5","3","8","10","1") = "9"
    & skf18("10","7","5","3","9","1","1") = "9"
    & skf18("10","7","5","3","9","2","1") = "9"
    & skf18("10","7","5","3","9","3","1") = "9"
    & skf18("10","7","5","3","9","4","1") = "9"
    & skf18("10","7","5","3","9","5","1") = "9"
    & skf18("10","7","5","3","9","6","1") = "9"
    & skf18("10","7","5","3","9","7","1") = "9"
    & skf18("10","7","5","3","9","8","1") = "9"
    & skf18("10","7","5","3","9","9","1") = "9"
    & skf18("10","7","5","3","9","10","1") = "9"
    & skf18("10","7","5","3","10","1","1") = "9"
    & skf18("10","7","5","3","10","2","1") = "9"
    & skf18("10","7","5","3","10","3","1") = "9"
    & skf18("10","7","5","3","10","4","1") = "9"
    & skf18("10","7","5","3","10","5","1") = "9"
    & skf18("10","7","5","3","10","6","1") = "9"
    & skf18("10","7","5","3","10","7","1") = "9"
    & skf18("10","7","5","3","10","8","1") = "9"
    & skf18("10","7","5","3","10","9","1") = "9"
    & skf18("10","7","5","3","10","10","1") = "9"
    & skf18("10","7","5","4","1","1","1") = "9"
    & skf18("10","7","5","4","1","2","1") = "9"
    & skf18("10","7","5","4","1","3","1") = "9"
    & skf18("10","7","5","4","1","4","1") = "9"
    & skf18("10","7","5","4","1","5","1") = "9"
    & skf18("10","7","5","4","1","6","1") = "9"
    & skf18("10","7","5","4","1","7","1") = "9"
    & skf18("10","7","5","4","1","8","1") = "9"
    & skf18("10","7","5","4","1","9","1") = "9"
    & skf18("10","7","5","4","1","10","1") = "9"
    & skf18("10","7","5","4","2","1","1") = "9"
    & skf18("10","7","5","4","2","2","1") = "9"
    & skf18("10","7","5","4","2","3","1") = "9"
    & skf18("10","7","5","4","2","4","1") = "9"
    & skf18("10","7","5","4","2","5","1") = "9"
    & skf18("10","7","5","4","2","6","1") = "9"
    & skf18("10","7","5","4","2","7","1") = "9"
    & skf18("10","7","5","4","2","8","1") = "9"
    & skf18("10","7","5","4","2","9","1") = "9"
    & skf18("10","7","5","4","2","10","1") = "9"
    & skf18("10","7","5","4","3","1","1") = "9"
    & skf18("10","7","5","4","3","2","1") = "9"
    & skf18("10","7","5","4","3","3","1") = "9"
    & skf18("10","7","5","4","3","4","1") = "9"
    & skf18("10","7","5","4","3","5","1") = "9"
    & skf18("10","7","5","4","3","6","1") = "9"
    & skf18("10","7","5","4","3","7","1") = "9"
    & skf18("10","7","5","4","3","8","1") = "9"
    & skf18("10","7","5","4","3","9","1") = "9"
    & skf18("10","7","5","4","3","10","1") = "9"
    & skf18("10","7","5","4","4","1","1") = "9"
    & skf18("10","7","5","4","4","2","1") = "9"
    & skf18("10","7","5","4","4","3","1") = "9"
    & skf18("10","7","5","4","4","4","1") = "9"
    & skf18("10","7","5","4","4","5","1") = "9"
    & skf18("10","7","5","4","4","6","1") = "9"
    & skf18("10","7","5","4","4","7","1") = "9"
    & skf18("10","7","5","4","4","8","1") = "9"
    & skf18("10","7","5","4","4","9","1") = "9"
    & skf18("10","7","5","4","4","10","1") = "9"
    & skf18("10","7","5","4","5","1","1") = "9"
    & skf18("10","7","5","4","5","2","1") = "9"
    & skf18("10","7","5","4","5","3","1") = "9"
    & skf18("10","7","5","4","5","4","1") = "9"
    & skf18("10","7","5","4","5","5","1") = "9"
    & skf18("10","7","5","4","5","6","1") = "9"
    & skf18("10","7","5","4","5","7","1") = "9"
    & skf18("10","7","5","4","5","8","1") = "9"
    & skf18("10","7","5","4","5","9","1") = "9"
    & skf18("10","7","5","4","5","10","1") = "9"
    & skf18("10","7","5","4","6","1","1") = "9"
    & skf18("10","7","5","4","6","2","1") = "9"
    & skf18("10","7","5","4","6","3","1") = "9"
    & skf18("10","7","5","4","6","4","1") = "9"
    & skf18("10","7","5","4","6","5","1") = "9"
    & skf18("10","7","5","4","6","6","1") = "9"
    & skf18("10","7","5","4","6","7","1") = "9"
    & skf18("10","7","5","4","6","8","1") = "9"
    & skf18("10","7","5","4","6","9","1") = "9"
    & skf18("10","7","5","4","6","10","1") = "9"
    & skf18("10","7","5","4","7","1","1") = "9"
    & skf18("10","7","5","4","7","2","1") = "9"
    & skf18("10","7","5","4","7","3","1") = "9"
    & skf18("10","7","5","4","7","4","1") = "9"
    & skf18("10","7","5","4","7","5","1") = "9"
    & skf18("10","7","5","4","7","6","1") = "9"
    & skf18("10","7","5","4","7","7","1") = "9"
    & skf18("10","7","5","4","7","8","1") = "9"
    & skf18("10","7","5","4","7","9","1") = "9"
    & skf18("10","7","5","4","7","10","1") = "9"
    & skf18("10","7","5","4","8","1","1") = "9"
    & skf18("10","7","5","4","8","2","1") = "9"
    & skf18("10","7","5","4","8","3","1") = "9"
    & skf18("10","7","5","4","8","4","1") = "9"
    & skf18("10","7","5","4","8","5","1") = "9"
    & skf18("10","7","5","4","8","6","1") = "9"
    & skf18("10","7","5","4","8","7","1") = "9"
    & skf18("10","7","5","4","8","8","1") = "9"
    & skf18("10","7","5","4","8","9","1") = "9"
    & skf18("10","7","5","4","8","10","1") = "9"
    & skf18("10","7","5","4","9","1","1") = "9"
    & skf18("10","7","5","4","9","2","1") = "9"
    & skf18("10","7","5","4","9","3","1") = "9"
    & skf18("10","7","5","4","9","4","1") = "9"
    & skf18("10","7","5","4","9","5","1") = "9"
    & skf18("10","7","5","4","9","6","1") = "9"
    & skf18("10","7","5","4","9","7","1") = "9"
    & skf18("10","7","5","4","9","8","1") = "9"
    & skf18("10","7","5","4","9","9","1") = "9"
    & skf18("10","7","5","4","9","10","1") = "9"
    & skf18("10","7","5","4","10","1","1") = "9"
    & skf18("10","7","5","4","10","2","1") = "9"
    & skf18("10","7","5","4","10","3","1") = "9"
    & skf18("10","7","5","4","10","4","1") = "9"
    & skf18("10","7","5","4","10","5","1") = "9"
    & skf18("10","7","5","4","10","6","1") = "9"
    & skf18("10","7","5","4","10","7","1") = "9"
    & skf18("10","7","5","4","10","8","1") = "9"
    & skf18("10","7","5","4","10","9","1") = "9"
    & skf18("10","7","5","4","10","10","1") = "9"
    & skf18("10","7","5","5","1","1","1") = "9"
    & skf18("10","7","5","5","1","2","1") = "9"
    & skf18("10","7","5","5","1","3","1") = "9"
    & skf18("10","7","5","5","1","4","1") = "9"
    & skf18("10","7","5","5","1","5","1") = "9"
    & skf18("10","7","5","5","1","6","1") = "9"
    & skf18("10","7","5","5","1","7","1") = "9"
    & skf18("10","7","5","5","1","8","1") = "9"
    & skf18("10","7","5","5","1","9","1") = "9"
    & skf18("10","7","5","5","1","10","1") = "9"
    & skf18("10","7","5","5","2","1","1") = "9"
    & skf18("10","7","5","5","2","2","1") = "9"
    & skf18("10","7","5","5","2","3","1") = "9"
    & skf18("10","7","5","5","2","4","1") = "9"
    & skf18("10","7","5","5","2","5","1") = "9"
    & skf18("10","7","5","5","2","6","1") = "9"
    & skf18("10","7","5","5","2","7","1") = "9"
    & skf18("10","7","5","5","2","8","1") = "9"
    & skf18("10","7","5","5","2","9","1") = "9"
    & skf18("10","7","5","5","2","10","1") = "9"
    & skf18("10","7","5","5","3","1","1") = "9"
    & skf18("10","7","5","5","3","2","1") = "9"
    & skf18("10","7","5","5","3","3","1") = "9"
    & skf18("10","7","5","5","3","4","1") = "9"
    & skf18("10","7","5","5","3","5","1") = "9"
    & skf18("10","7","5","5","3","6","1") = "9"
    & skf18("10","7","5","5","3","7","1") = "9"
    & skf18("10","7","5","5","3","8","1") = "9"
    & skf18("10","7","5","5","3","9","1") = "9"
    & skf18("10","7","5","5","3","10","1") = "9"
    & skf18("10","7","5","5","4","1","1") = "9"
    & skf18("10","7","5","5","4","2","1") = "9"
    & skf18("10","7","5","5","4","3","1") = "9"
    & skf18("10","7","5","5","4","4","1") = "9"
    & skf18("10","7","5","5","4","5","1") = "9"
    & skf18("10","7","5","5","4","6","1") = "9"
    & skf18("10","7","5","5","4","7","1") = "9"
    & skf18("10","7","5","5","4","8","1") = "9"
    & skf18("10","7","5","5","4","9","1") = "9"
    & skf18("10","7","5","5","4","10","1") = "9"
    & skf18("10","7","5","5","5","1","1") = "9"
    & skf18("10","7","5","5","5","2","1") = "9"
    & skf18("10","7","5","5","5","3","1") = "9"
    & skf18("10","7","5","5","5","4","1") = "9"
    & skf18("10","7","5","5","5","5","1") = "9"
    & skf18("10","7","5","5","5","6","1") = "9"
    & skf18("10","7","5","5","5","7","1") = "9"
    & skf18("10","7","5","5","5","8","1") = "9"
    & skf18("10","7","5","5","5","9","1") = "9"
    & skf18("10","7","5","5","5","10","1") = "9"
    & skf18("10","7","5","5","6","1","1") = "9"
    & skf18("10","7","5","5","6","2","1") = "9"
    & skf18("10","7","5","5","6","3","1") = "9"
    & skf18("10","7","5","5","6","4","1") = "9"
    & skf18("10","7","5","5","6","5","1") = "9"
    & skf18("10","7","5","5","6","6","1") = "9"
    & skf18("10","7","5","5","6","7","1") = "9"
    & skf18("10","7","5","5","6","8","1") = "9"
    & skf18("10","7","5","5","6","9","1") = "9"
    & skf18("10","7","5","5","6","10","1") = "9"
    & skf18("10","7","5","5","7","1","1") = "9"
    & skf18("10","7","5","5","7","2","1") = "9"
    & skf18("10","7","5","5","7","3","1") = "9"
    & skf18("10","7","5","5","7","4","1") = "9"
    & skf18("10","7","5","5","7","5","1") = "9"
    & skf18("10","7","5","5","7","6","1") = "9"
    & skf18("10","7","5","5","7","7","1") = "9"
    & skf18("10","7","5","5","7","8","1") = "9"
    & skf18("10","7","5","5","7","9","1") = "9"
    & skf18("10","7","5","5","7","10","1") = "9"
    & skf18("10","7","5","5","8","1","1") = "9"
    & skf18("10","7","5","5","8","2","1") = "9"
    & skf18("10","7","5","5","8","3","1") = "9"
    & skf18("10","7","5","5","8","4","1") = "9"
    & skf18("10","7","5","5","8","5","1") = "9"
    & skf18("10","7","5","5","8","6","1") = "9"
    & skf18("10","7","5","5","8","7","1") = "9"
    & skf18("10","7","5","5","8","8","1") = "9"
    & skf18("10","7","5","5","8","9","1") = "9"
    & skf18("10","7","5","5","8","10","1") = "9"
    & skf18("10","7","5","5","9","1","1") = "9"
    & skf18("10","7","5","5","9","2","1") = "9"
    & skf18("10","7","5","5","9","3","1") = "9"
    & skf18("10","7","5","5","9","4","1") = "9"
    & skf18("10","7","5","5","9","5","1") = "9"
    & skf18("10","7","5","5","9","6","1") = "9"
    & skf18("10","7","5","5","9","7","1") = "9"
    & skf18("10","7","5","5","9","8","1") = "9"
    & skf18("10","7","5","5","9","9","1") = "9"
    & skf18("10","7","5","5","9","10","1") = "9"
    & skf18("10","7","5","5","10","1","1") = "9"
    & skf18("10","7","5","5","10","2","1") = "9"
    & skf18("10","7","5","5","10","3","1") = "9"
    & skf18("10","7","5","5","10","4","1") = "9"
    & skf18("10","7","5","5","10","5","1") = "9"
    & skf18("10","7","5","5","10","6","1") = "9"
    & skf18("10","7","5","5","10","7","1") = "9"
    & skf18("10","7","5","5","10","8","1") = "9"
    & skf18("10","7","5","5","10","9","1") = "9"
    & skf18("10","7","5","5","10","10","1") = "9"
    & skf18("10","7","5","6","1","1","1") = "9"
    & skf18("10","7","5","6","1","2","1") = "9"
    & skf18("10","7","5","6","1","3","1") = "9"
    & skf18("10","7","5","6","1","4","1") = "9"
    & skf18("10","7","5","6","1","5","1") = "9"
    & skf18("10","7","5","6","1","6","1") = "9"
    & skf18("10","7","5","6","1","7","1") = "9"
    & skf18("10","7","5","6","1","8","1") = "9"
    & skf18("10","7","5","6","1","9","1") = "9"
    & skf18("10","7","5","6","1","10","1") = "9"
    & skf18("10","7","5","6","2","1","1") = "9"
    & skf18("10","7","5","6","2","2","1") = "9"
    & skf18("10","7","5","6","2","3","1") = "9"
    & skf18("10","7","5","6","2","4","1") = "9"
    & skf18("10","7","5","6","2","5","1") = "9"
    & skf18("10","7","5","6","2","6","1") = "9"
    & skf18("10","7","5","6","2","7","1") = "9"
    & skf18("10","7","5","6","2","8","1") = "9"
    & skf18("10","7","5","6","2","9","1") = "9"
    & skf18("10","7","5","6","2","10","1") = "9"
    & skf18("10","7","5","6","3","1","1") = "9"
    & skf18("10","7","5","6","3","2","1") = "9"
    & skf18("10","7","5","6","3","3","1") = "9"
    & skf18("10","7","5","6","3","4","1") = "9"
    & skf18("10","7","5","6","3","5","1") = "9"
    & skf18("10","7","5","6","3","6","1") = "9"
    & skf18("10","7","5","6","3","7","1") = "9"
    & skf18("10","7","5","6","3","8","1") = "9"
    & skf18("10","7","5","6","3","9","1") = "9"
    & skf18("10","7","5","6","3","10","1") = "9"
    & skf18("10","7","5","6","4","1","1") = "9"
    & skf18("10","7","5","6","4","2","1") = "9"
    & skf18("10","7","5","6","4","3","1") = "9"
    & skf18("10","7","5","6","4","4","1") = "9"
    & skf18("10","7","5","6","4","5","1") = "9"
    & skf18("10","7","5","6","4","6","1") = "9"
    & skf18("10","7","5","6","4","7","1") = "9"
    & skf18("10","7","5","6","4","8","1") = "9"
    & skf18("10","7","5","6","4","9","1") = "9"
    & skf18("10","7","5","6","4","10","1") = "9"
    & skf18("10","7","5","6","5","1","1") = "9"
    & skf18("10","7","5","6","5","2","1") = "9"
    & skf18("10","7","5","6","5","3","1") = "9"
    & skf18("10","7","5","6","5","4","1") = "9"
    & skf18("10","7","5","6","5","5","1") = "9"
    & skf18("10","7","5","6","5","6","1") = "9"
    & skf18("10","7","5","6","5","7","1") = "9"
    & skf18("10","7","5","6","5","8","1") = "9"
    & skf18("10","7","5","6","5","9","1") = "9"
    & skf18("10","7","5","6","5","10","1") = "9"
    & skf18("10","7","5","6","6","1","1") = "9"
    & skf18("10","7","5","6","6","2","1") = "9"
    & skf18("10","7","5","6","6","3","1") = "9"
    & skf18("10","7","5","6","6","4","1") = "9"
    & skf18("10","7","5","6","6","5","1") = "9"
    & skf18("10","7","5","6","6","6","1") = "9"
    & skf18("10","7","5","6","6","7","1") = "9"
    & skf18("10","7","5","6","6","8","1") = "9"
    & skf18("10","7","5","6","6","9","1") = "9"
    & skf18("10","7","5","6","6","10","1") = "9"
    & skf18("10","7","5","6","7","1","1") = "9"
    & skf18("10","7","5","6","7","2","1") = "9"
    & skf18("10","7","5","6","7","3","1") = "9"
    & skf18("10","7","5","6","7","4","1") = "9"
    & skf18("10","7","5","6","7","5","1") = "9"
    & skf18("10","7","5","6","7","6","1") = "9"
    & skf18("10","7","5","6","7","7","1") = "9"
    & skf18("10","7","5","6","7","8","1") = "9"
    & skf18("10","7","5","6","7","9","1") = "9"
    & skf18("10","7","5","6","7","10","1") = "9"
    & skf18("10","7","5","6","8","1","1") = "9"
    & skf18("10","7","5","6","8","2","1") = "9"
    & skf18("10","7","5","6","8","3","1") = "9"
    & skf18("10","7","5","6","8","4","1") = "9"
    & skf18("10","7","5","6","8","5","1") = "9"
    & skf18("10","7","5","6","8","6","1") = "9"
    & skf18("10","7","5","6","8","7","1") = "9"
    & skf18("10","7","5","6","8","8","1") = "9"
    & skf18("10","7","5","6","8","9","1") = "9"
    & skf18("10","7","5","6","8","10","1") = "9"
    & skf18("10","7","5","6","9","1","1") = "9"
    & skf18("10","7","5","6","9","2","1") = "9"
    & skf18("10","7","5","6","9","3","1") = "9"
    & skf18("10","7","5","6","9","4","1") = "9"
    & skf18("10","7","5","6","9","5","1") = "9"
    & skf18("10","7","5","6","9","6","1") = "9"
    & skf18("10","7","5","6","9","7","1") = "9"
    & skf18("10","7","5","6","9","8","1") = "9"
    & skf18("10","7","5","6","9","9","1") = "9"
    & skf18("10","7","5","6","9","10","1") = "9"
    & skf18("10","7","5","6","10","1","1") = "9"
    & skf18("10","7","5","6","10","2","1") = "9"
    & skf18("10","7","5","6","10","3","1") = "9"
    & skf18("10","7","5","6","10","4","1") = "9"
    & skf18("10","7","5","6","10","5","1") = "9"
    & skf18("10","7","5","6","10","6","1") = "9"
    & skf18("10","7","5","6","10","7","1") = "9"
    & skf18("10","7","5","6","10","8","1") = "9"
    & skf18("10","7","5","6","10","9","1") = "9"
    & skf18("10","7","5","6","10","10","1") = "9"
    & skf18("10","7","5","7","1","1","1") = "9"
    & skf18("10","7","5","7","1","2","1") = "9"
    & skf18("10","7","5","7","1","3","1") = "9"
    & skf18("10","7","5","7","1","4","1") = "9"
    & skf18("10","7","5","7","1","5","1") = "9"
    & skf18("10","7","5","7","1","6","1") = "9"
    & skf18("10","7","5","7","1","7","1") = "9"
    & skf18("10","7","5","7","1","8","1") = "9"
    & skf18("10","7","5","7","1","9","1") = "9"
    & skf18("10","7","5","7","1","10","1") = "9"
    & skf18("10","7","5","7","2","1","1") = "9"
    & skf18("10","7","5","7","2","2","1") = "9"
    & skf18("10","7","5","7","2","3","1") = "9"
    & skf18("10","7","5","7","2","4","1") = "9"
    & skf18("10","7","5","7","2","5","1") = "9"
    & skf18("10","7","5","7","2","6","1") = "9"
    & skf18("10","7","5","7","2","7","1") = "9"
    & skf18("10","7","5","7","2","8","1") = "9"
    & skf18("10","7","5","7","2","9","1") = "9"
    & skf18("10","7","5","7","2","10","1") = "9"
    & skf18("10","7","5","7","3","1","1") = "9"
    & skf18("10","7","5","7","3","2","1") = "9"
    & skf18("10","7","5","7","3","3","1") = "9"
    & skf18("10","7","5","7","3","4","1") = "9"
    & skf18("10","7","5","7","3","5","1") = "9"
    & skf18("10","7","5","7","3","6","1") = "9"
    & skf18("10","7","5","7","3","7","1") = "9"
    & skf18("10","7","5","7","3","8","1") = "9"
    & skf18("10","7","5","7","3","9","1") = "9"
    & skf18("10","7","5","7","3","10","1") = "9"
    & skf18("10","7","5","7","4","1","1") = "9"
    & skf18("10","7","5","7","4","2","1") = "9"
    & skf18("10","7","5","7","4","3","1") = "9"
    & skf18("10","7","5","7","4","4","1") = "9"
    & skf18("10","7","5","7","4","5","1") = "9"
    & skf18("10","7","5","7","4","6","1") = "9"
    & skf18("10","7","5","7","4","7","1") = "9"
    & skf18("10","7","5","7","4","8","1") = "9"
    & skf18("10","7","5","7","4","9","1") = "9"
    & skf18("10","7","5","7","4","10","1") = "9"
    & skf18("10","7","5","7","5","1","1") = "9"
    & skf18("10","7","5","7","5","2","1") = "9"
    & skf18("10","7","5","7","5","3","1") = "9"
    & skf18("10","7","5","7","5","4","1") = "9"
    & skf18("10","7","5","7","5","5","1") = "9"
    & skf18("10","7","5","7","5","6","1") = "9"
    & skf18("10","7","5","7","5","7","1") = "9"
    & skf18("10","7","5","7","5","8","1") = "9"
    & skf18("10","7","5","7","5","9","1") = "9"
    & skf18("10","7","5","7","5","10","1") = "9"
    & skf18("10","7","5","7","6","1","1") = "9"
    & skf18("10","7","5","7","6","2","1") = "9"
    & skf18("10","7","5","7","6","3","1") = "9"
    & skf18("10","7","5","7","6","4","1") = "9"
    & skf18("10","7","5","7","6","5","1") = "9"
    & skf18("10","7","5","7","6","6","1") = "9"
    & skf18("10","7","5","7","6","7","1") = "9"
    & skf18("10","7","5","7","6","8","1") = "9"
    & skf18("10","7","5","7","6","9","1") = "9"
    & skf18("10","7","5","7","6","10","1") = "9"
    & skf18("10","7","5","7","7","1","1") = "9"
    & skf18("10","7","5","7","7","2","1") = "9"
    & skf18("10","7","5","7","7","3","1") = "9"
    & skf18("10","7","5","7","7","4","1") = "9"
    & skf18("10","7","5","7","7","5","1") = "9"
    & skf18("10","7","5","7","7","6","1") = "9"
    & skf18("10","7","5","7","7","7","1") = "9"
    & skf18("10","7","5","7","7","8","1") = "9"
    & skf18("10","7","5","7","7","9","1") = "9"
    & skf18("10","7","5","7","7","10","1") = "9"
    & skf18("10","7","5","7","8","1","1") = "9"
    & skf18("10","7","5","7","8","2","1") = "9"
    & skf18("10","7","5","7","8","3","1") = "9"
    & skf18("10","7","5","7","8","4","1") = "9"
    & skf18("10","7","5","7","8","5","1") = "9"
    & skf18("10","7","5","7","8","6","1") = "9"
    & skf18("10","7","5","7","8","7","1") = "9"
    & skf18("10","7","5","7","8","8","1") = "9"
    & skf18("10","7","5","7","8","9","1") = "9"
    & skf18("10","7","5","7","8","10","1") = "9"
    & skf18("10","7","5","7","9","1","1") = "9"
    & skf18("10","7","5","7","9","2","1") = "9"
    & skf18("10","7","5","7","9","3","1") = "9"
    & skf18("10","7","5","7","9","4","1") = "9"
    & skf18("10","7","5","7","9","5","1") = "9"
    & skf18("10","7","5","7","9","6","1") = "9"
    & skf18("10","7","5","7","9","7","1") = "9"
    & skf18("10","7","5","7","9","8","1") = "9"
    & skf18("10","7","5","7","9","9","1") = "9"
    & skf18("10","7","5","7","9","10","1") = "9"
    & skf18("10","7","5","7","10","1","1") = "9"
    & skf18("10","7","5","7","10","2","1") = "9"
    & skf18("10","7","5","7","10","3","1") = "9"
    & skf18("10","7","5","7","10","4","1") = "9"
    & skf18("10","7","5","7","10","5","1") = "9"
    & skf18("10","7","5","7","10","6","1") = "9"
    & skf18("10","7","5","7","10","7","1") = "9"
    & skf18("10","7","5","7","10","8","1") = "9"
    & skf18("10","7","5","7","10","9","1") = "9"
    & skf18("10","7","5","7","10","10","1") = "9"
    & skf18("10","7","5","8","1","1","1") = "9"
    & skf18("10","7","5","8","1","2","1") = "9"
    & skf18("10","7","5","8","1","3","1") = "9"
    & skf18("10","7","5","8","1","4","1") = "9"
    & skf18("10","7","5","8","1","5","1") = "9"
    & skf18("10","7","5","8","1","6","1") = "9"
    & skf18("10","7","5","8","1","7","1") = "9"
    & skf18("10","7","5","8","1","8","1") = "9"
    & skf18("10","7","5","8","1","9","1") = "9"
    & skf18("10","7","5","8","1","10","1") = "9"
    & skf18("10","7","5","8","2","1","1") = "9"
    & skf18("10","7","5","8","2","2","1") = "9"
    & skf18("10","7","5","8","2","3","1") = "9"
    & skf18("10","7","5","8","2","4","1") = "9"
    & skf18("10","7","5","8","2","5","1") = "9"
    & skf18("10","7","5","8","2","6","1") = "9"
    & skf18("10","7","5","8","2","7","1") = "9"
    & skf18("10","7","5","8","2","8","1") = "9"
    & skf18("10","7","5","8","2","9","1") = "9"
    & skf18("10","7","5","8","2","10","1") = "9"
    & skf18("10","7","5","8","3","1","1") = "9"
    & skf18("10","7","5","8","3","2","1") = "9"
    & skf18("10","7","5","8","3","3","1") = "9"
    & skf18("10","7","5","8","3","4","1") = "9"
    & skf18("10","7","5","8","3","5","1") = "9"
    & skf18("10","7","5","8","3","6","1") = "9"
    & skf18("10","7","5","8","3","7","1") = "9"
    & skf18("10","7","5","8","3","8","1") = "9"
    & skf18("10","7","5","8","3","9","1") = "9"
    & skf18("10","7","5","8","3","10","1") = "9"
    & skf18("10","7","5","8","4","1","1") = "9"
    & skf18("10","7","5","8","4","2","1") = "9"
    & skf18("10","7","5","8","4","3","1") = "9"
    & skf18("10","7","5","8","4","4","1") = "9"
    & skf18("10","7","5","8","4","5","1") = "9"
    & skf18("10","7","5","8","4","6","1") = "9"
    & skf18("10","7","5","8","4","7","1") = "9"
    & skf18("10","7","5","8","4","8","1") = "9"
    & skf18("10","7","5","8","4","9","1") = "9"
    & skf18("10","7","5","8","4","10","1") = "9"
    & skf18("10","7","5","8","5","1","1") = "9"
    & skf18("10","7","5","8","5","2","1") = "9"
    & skf18("10","7","5","8","5","3","1") = "9"
    & skf18("10","7","5","8","5","4","1") = "9"
    & skf18("10","7","5","8","5","5","1") = "9"
    & skf18("10","7","5","8","5","6","1") = "9"
    & skf18("10","7","5","8","5","7","1") = "9"
    & skf18("10","7","5","8","5","8","1") = "9"
    & skf18("10","7","5","8","5","9","1") = "9"
    & skf18("10","7","5","8","5","10","1") = "9"
    & skf18("10","7","5","8","6","1","1") = "9"
    & skf18("10","7","5","8","6","2","1") = "9"
    & skf18("10","7","5","8","6","3","1") = "9"
    & skf18("10","7","5","8","6","4","1") = "9"
    & skf18("10","7","5","8","6","5","1") = "9"
    & skf18("10","7","5","8","6","6","1") = "9"
    & skf18("10","7","5","8","6","7","1") = "9"
    & skf18("10","7","5","8","6","8","1") = "9"
    & skf18("10","7","5","8","6","9","1") = "9"
    & skf18("10","7","5","8","6","10","1") = "9"
    & skf18("10","7","5","8","7","1","1") = "9"
    & skf18("10","7","5","8","7","2","1") = "9"
    & skf18("10","7","5","8","7","3","1") = "9"
    & skf18("10","7","5","8","7","4","1") = "9"
    & skf18("10","7","5","8","7","5","1") = "9"
    & skf18("10","7","5","8","7","6","1") = "9"
    & skf18("10","7","5","8","7","7","1") = "9"
    & skf18("10","7","5","8","7","8","1") = "9"
    & skf18("10","7","5","8","7","9","1") = "9"
    & skf18("10","7","5","8","7","10","1") = "9"
    & skf18("10","7","5","8","8","1","1") = "9"
    & skf18("10","7","5","8","8","2","1") = "9"
    & skf18("10","7","5","8","8","3","1") = "9"
    & skf18("10","7","5","8","8","4","1") = "9"
    & skf18("10","7","5","8","8","5","1") = "9"
    & skf18("10","7","5","8","8","6","1") = "9"
    & skf18("10","7","5","8","8","7","1") = "9"
    & skf18("10","7","5","8","8","8","1") = "9"
    & skf18("10","7","5","8","8","9","1") = "9"
    & skf18("10","7","5","8","8","10","1") = "9"
    & skf18("10","7","5","8","9","1","1") = "9"
    & skf18("10","7","5","8","9","2","1") = "9"
    & skf18("10","7","5","8","9","3","1") = "9"
    & skf18("10","7","5","8","9","4","1") = "9"
    & skf18("10","7","5","8","9","5","1") = "9"
    & skf18("10","7","5","8","9","6","1") = "9"
    & skf18("10","7","5","8","9","7","1") = "9"
    & skf18("10","7","5","8","9","8","1") = "9"
    & skf18("10","7","5","8","9","9","1") = "9"
    & skf18("10","7","5","8","9","10","1") = "9"
    & skf18("10","7","5","8","10","1","1") = "9"
    & skf18("10","7","5","8","10","2","1") = "9"
    & skf18("10","7","5","8","10","3","1") = "9"
    & skf18("10","7","5","8","10","4","1") = "9"
    & skf18("10","7","5","8","10","5","1") = "9"
    & skf18("10","7","5","8","10","6","1") = "9"
    & skf18("10","7","5","8","10","7","1") = "9"
    & skf18("10","7","5","8","10","8","1") = "9"
    & skf18("10","7","5","8","10","9","1") = "9"
    & skf18("10","7","5","8","10","10","1") = "9"
    & skf18("10","7","5","9","1","1","1") = "9"
    & skf18("10","7","5","9","1","2","1") = "9"
    & skf18("10","7","5","9","1","3","1") = "9"
    & skf18("10","7","5","9","1","4","1") = "9"
    & skf18("10","7","5","9","1","5","1") = "9"
    & skf18("10","7","5","9","1","6","1") = "9"
    & skf18("10","7","5","9","1","7","1") = "9"
    & skf18("10","7","5","9","1","8","1") = "9"
    & skf18("10","7","5","9","1","9","1") = "9"
    & skf18("10","7","5","9","1","10","1") = "9"
    & skf18("10","7","5","9","2","1","1") = "9"
    & skf18("10","7","5","9","2","2","1") = "9"
    & skf18("10","7","5","9","2","3","1") = "9"
    & skf18("10","7","5","9","2","4","1") = "9"
    & skf18("10","7","5","9","2","5","1") = "9"
    & skf18("10","7","5","9","2","6","1") = "9"
    & skf18("10","7","5","9","2","7","1") = "9"
    & skf18("10","7","5","9","2","8","1") = "9"
    & skf18("10","7","5","9","2","9","1") = "9"
    & skf18("10","7","5","9","2","10","1") = "9"
    & skf18("10","7","5","9","3","1","1") = "9"
    & skf18("10","7","5","9","3","2","1") = "9"
    & skf18("10","7","5","9","3","3","1") = "9"
    & skf18("10","7","5","9","3","4","1") = "9"
    & skf18("10","7","5","9","3","5","1") = "9"
    & skf18("10","7","5","9","3","6","1") = "9"
    & skf18("10","7","5","9","3","7","1") = "9"
    & skf18("10","7","5","9","3","8","1") = "9"
    & skf18("10","7","5","9","3","9","1") = "9"
    & skf18("10","7","5","9","3","10","1") = "9"
    & skf18("10","7","5","9","4","1","1") = "9"
    & skf18("10","7","5","9","4","2","1") = "9"
    & skf18("10","7","5","9","4","3","1") = "9"
    & skf18("10","7","5","9","4","4","1") = "9"
    & skf18("10","7","5","9","4","5","1") = "9"
    & skf18("10","7","5","9","4","6","1") = "9"
    & skf18("10","7","5","9","4","7","1") = "9"
    & skf18("10","7","5","9","4","8","1") = "9"
    & skf18("10","7","5","9","4","9","1") = "9"
    & skf18("10","7","5","9","4","10","1") = "9"
    & skf18("10","7","5","9","5","1","1") = "9"
    & skf18("10","7","5","9","5","2","1") = "9"
    & skf18("10","7","5","9","5","3","1") = "9"
    & skf18("10","7","5","9","5","4","1") = "9"
    & skf18("10","7","5","9","5","5","1") = "9"
    & skf18("10","7","5","9","5","6","1") = "9"
    & skf18("10","7","5","9","5","7","1") = "9"
    & skf18("10","7","5","9","5","8","1") = "9"
    & skf18("10","7","5","9","5","9","1") = "9"
    & skf18("10","7","5","9","5","10","1") = "9"
    & skf18("10","7","5","9","6","1","1") = "9"
    & skf18("10","7","5","9","6","2","1") = "9"
    & skf18("10","7","5","9","6","3","1") = "9"
    & skf18("10","7","5","9","6","4","1") = "9"
    & skf18("10","7","5","9","6","5","1") = "9"
    & skf18("10","7","5","9","6","6","1") = "9"
    & skf18("10","7","5","9","6","7","1") = "9"
    & skf18("10","7","5","9","6","8","1") = "9"
    & skf18("10","7","5","9","6","9","1") = "9"
    & skf18("10","7","5","9","6","10","1") = "9"
    & skf18("10","7","5","9","7","1","1") = "9"
    & skf18("10","7","5","9","7","2","1") = "9"
    & skf18("10","7","5","9","7","3","1") = "9"
    & skf18("10","7","5","9","7","4","1") = "9"
    & skf18("10","7","5","9","7","5","1") = "9"
    & skf18("10","7","5","9","7","6","1") = "9"
    & skf18("10","7","5","9","7","7","1") = "9"
    & skf18("10","7","5","9","7","8","1") = "9"
    & skf18("10","7","5","9","7","9","1") = "9"
    & skf18("10","7","5","9","7","10","1") = "9"
    & skf18("10","7","5","9","8","1","1") = "9"
    & skf18("10","7","5","9","8","2","1") = "9"
    & skf18("10","7","5","9","8","3","1") = "9"
    & skf18("10","7","5","9","8","4","1") = "9"
    & skf18("10","7","5","9","8","5","1") = "9"
    & skf18("10","7","5","9","8","6","1") = "9"
    & skf18("10","7","5","9","8","7","1") = "9"
    & skf18("10","7","5","9","8","8","1") = "9"
    & skf18("10","7","5","9","8","9","1") = "9"
    & skf18("10","7","5","9","8","10","1") = "9"
    & skf18("10","7","5","9","9","1","1") = "9"
    & skf18("10","7","5","9","9","2","1") = "9"
    & skf18("10","7","5","9","9","3","1") = "9"
    & skf18("10","7","5","9","9","4","1") = "9"
    & skf18("10","7","5","9","9","5","1") = "9"
    & skf18("10","7","5","9","9","6","1") = "9"
    & skf18("10","7","5","9","9","7","1") = "9"
    & skf18("10","7","5","9","9","8","1") = "9"
    & skf18("10","7","5","9","9","9","1") = "9"
    & skf18("10","7","5","9","9","10","1") = "9"
    & skf18("10","7","5","9","10","1","1") = "9"
    & skf18("10","7","5","9","10","2","1") = "9"
    & skf18("10","7","5","9","10","3","1") = "9"
    & skf18("10","7","5","9","10","4","1") = "9"
    & skf18("10","7","5","9","10","5","1") = "9"
    & skf18("10","7","5","9","10","6","1") = "9"
    & skf18("10","7","5","9","10","7","1") = "9"
    & skf18("10","7","5","9","10","8","1") = "9"
    & skf18("10","7","5","9","10","9","1") = "9"
    & skf18("10","7","5","9","10","10","1") = "9"
    & skf18("10","7","5","10","1","1","1") = "9"
    & skf18("10","7","5","10","1","2","1") = "9"
    & skf18("10","7","5","10","1","3","1") = "9"
    & skf18("10","7","5","10","1","4","1") = "9"
    & skf18("10","7","5","10","1","5","1") = "9"
    & skf18("10","7","5","10","1","6","1") = "9"
    & skf18("10","7","5","10","1","7","1") = "9"
    & skf18("10","7","5","10","1","8","1") = "9"
    & skf18("10","7","5","10","1","9","1") = "9"
    & skf18("10","7","5","10","1","10","1") = "9"
    & skf18("10","7","5","10","2","1","1") = "9"
    & skf18("10","7","5","10","2","2","1") = "9"
    & skf18("10","7","5","10","2","3","1") = "9"
    & skf18("10","7","5","10","2","4","1") = "9"
    & skf18("10","7","5","10","2","5","1") = "9"
    & skf18("10","7","5","10","2","6","1") = "9"
    & skf18("10","7","5","10","2","7","1") = "9"
    & skf18("10","7","5","10","2","8","1") = "9"
    & skf18("10","7","5","10","2","9","1") = "9"
    & skf18("10","7","5","10","2","10","1") = "9"
    & skf18("10","7","5","10","3","1","1") = "9"
    & skf18("10","7","5","10","3","2","1") = "9"
    & skf18("10","7","5","10","3","3","1") = "9"
    & skf18("10","7","5","10","3","4","1") = "9"
    & skf18("10","7","5","10","3","5","1") = "9"
    & skf18("10","7","5","10","3","6","1") = "9"
    & skf18("10","7","5","10","3","7","1") = "9"
    & skf18("10","7","5","10","3","8","1") = "9"
    & skf18("10","7","5","10","3","9","1") = "9"
    & skf18("10","7","5","10","3","10","1") = "9"
    & skf18("10","7","5","10","4","1","1") = "9"
    & skf18("10","7","5","10","4","2","1") = "9"
    & skf18("10","7","5","10","4","3","1") = "9"
    & skf18("10","7","5","10","4","4","1") = "9"
    & skf18("10","7","5","10","4","5","1") = "9"
    & skf18("10","7","5","10","4","6","1") = "9"
    & skf18("10","7","5","10","4","7","1") = "9"
    & skf18("10","7","5","10","4","8","1") = "9"
    & skf18("10","7","5","10","4","9","1") = "9"
    & skf18("10","7","5","10","4","10","1") = "9"
    & skf18("10","7","5","10","5","1","1") = "9"
    & skf18("10","7","5","10","5","2","1") = "9"
    & skf18("10","7","5","10","5","3","1") = "9"
    & skf18("10","7","5","10","5","4","1") = "9"
    & skf18("10","7","5","10","5","5","1") = "9"
    & skf18("10","7","5","10","5","6","1") = "9"
    & skf18("10","7","5","10","5","7","1") = "9"
    & skf18("10","7","5","10","5","8","1") = "9"
    & skf18("10","7","5","10","5","9","1") = "9"
    & skf18("10","7","5","10","5","10","1") = "9"
    & skf18("10","7","5","10","6","1","1") = "9"
    & skf18("10","7","5","10","6","2","1") = "9"
    & skf18("10","7","5","10","6","3","1") = "9"
    & skf18("10","7","5","10","6","4","1") = "9"
    & skf18("10","7","5","10","6","5","1") = "9"
    & skf18("10","7","5","10","6","6","1") = "9"
    & skf18("10","7","5","10","6","7","1") = "9"
    & skf18("10","7","5","10","6","8","1") = "9"
    & skf18("10","7","5","10","6","9","1") = "9"
    & skf18("10","7","5","10","6","10","1") = "9"
    & skf18("10","7","5","10","7","1","1") = "9"
    & skf18("10","7","5","10","7","2","1") = "9"
    & skf18("10","7","5","10","7","3","1") = "9"
    & skf18("10","7","5","10","7","4","1") = "9"
    & skf18("10","7","5","10","7","5","1") = "9"
    & skf18("10","7","5","10","7","6","1") = "9"
    & skf18("10","7","5","10","7","7","1") = "9"
    & skf18("10","7","5","10","7","8","1") = "9"
    & skf18("10","7","5","10","7","9","1") = "9"
    & skf18("10","7","5","10","7","10","1") = "9"
    & skf18("10","7","5","10","8","1","1") = "9"
    & skf18("10","7","5","10","8","2","1") = "9"
    & skf18("10","7","5","10","8","3","1") = "9"
    & skf18("10","7","5","10","8","4","1") = "9"
    & skf18("10","7","5","10","8","5","1") = "9"
    & skf18("10","7","5","10","8","6","1") = "9"
    & skf18("10","7","5","10","8","7","1") = "9"
    & skf18("10","7","5","10","8","8","1") = "9"
    & skf18("10","7","5","10","8","9","1") = "9"
    & skf18("10","7","5","10","8","10","1") = "9"
    & skf18("10","7","5","10","9","1","1") = "9"
    & skf18("10","7","5","10","9","2","1") = "9"
    & skf18("10","7","5","10","9","3","1") = "9"
    & skf18("10","7","5","10","9","4","1") = "9"
    & skf18("10","7","5","10","9","5","1") = "9"
    & skf18("10","7","5","10","9","6","1") = "9"
    & skf18("10","7","5","10","9","7","1") = "9"
    & skf18("10","7","5","10","9","8","1") = "9"
    & skf18("10","7","5","10","9","9","1") = "9"
    & skf18("10","7","5","10","9","10","1") = "9"
    & skf18("10","7","5","10","10","1","1") = "9"
    & skf18("10","7","5","10","10","2","1") = "9"
    & skf18("10","7","5","10","10","3","1") = "9"
    & skf18("10","7","5","10","10","4","1") = "9"
    & skf18("10","7","5","10","10","5","1") = "9"
    & skf18("10","7","5","10","10","6","1") = "9"
    & skf18("10","7","5","10","10","7","1") = "9"
    & skf18("10","7","5","10","10","8","1") = "9"
    & skf18("10","7","5","10","10","9","1") = "9"
    & skf18("10","7","5","10","10","10","1") = "9"
    & skf18("10","7","6","1","1","1","1") = "9"
    & skf18("10","7","6","1","1","2","1") = "9"
    & skf18("10","7","6","1","1","3","1") = "9"
    & skf18("10","7","6","1","1","4","1") = "9"
    & skf18("10","7","6","1","1","5","1") = "9"
    & skf18("10","7","6","1","1","6","1") = "9"
    & skf18("10","7","6","1","1","7","1") = "9"
    & skf18("10","7","6","1","1","8","1") = "9"
    & skf18("10","7","6","1","1","9","1") = "9"
    & skf18("10","7","6","1","1","10","1") = "9"
    & skf18("10","7","6","1","2","1","1") = "9"
    & skf18("10","7","6","1","2","2","1") = "9"
    & skf18("10","7","6","1","2","3","1") = "9"
    & skf18("10","7","6","1","2","4","1") = "9"
    & skf18("10","7","6","1","2","5","1") = "9"
    & skf18("10","7","6","1","2","6","1") = "9"
    & skf18("10","7","6","1","2","7","1") = "9"
    & skf18("10","7","6","1","2","8","1") = "9"
    & skf18("10","7","6","1","2","9","1") = "9"
    & skf18("10","7","6","1","2","10","1") = "9"
    & skf18("10","7","6","1","3","1","1") = "9"
    & skf18("10","7","6","1","3","2","1") = "9"
    & skf18("10","7","6","1","3","3","1") = "9"
    & skf18("10","7","6","1","3","4","1") = "9"
    & skf18("10","7","6","1","3","5","1") = "9"
    & skf18("10","7","6","1","3","6","1") = "9"
    & skf18("10","7","6","1","3","7","1") = "9"
    & skf18("10","7","6","1","3","8","1") = "9"
    & skf18("10","7","6","1","3","9","1") = "9"
    & skf18("10","7","6","1","3","10","1") = "9"
    & skf18("10","7","6","1","4","1","1") = "9"
    & skf18("10","7","6","1","4","2","1") = "9"
    & skf18("10","7","6","1","4","3","1") = "9"
    & skf18("10","7","6","1","4","4","1") = "9"
    & skf18("10","7","6","1","4","5","1") = "9"
    & skf18("10","7","6","1","4","6","1") = "9"
    & skf18("10","7","6","1","4","7","1") = "9"
    & skf18("10","7","6","1","4","8","1") = "9"
    & skf18("10","7","6","1","4","9","1") = "9"
    & skf18("10","7","6","1","4","10","1") = "9"
    & skf18("10","7","6","1","5","1","1") = "9"
    & skf18("10","7","6","1","5","2","1") = "9"
    & skf18("10","7","6","1","5","3","1") = "9"
    & skf18("10","7","6","1","5","4","1") = "9"
    & skf18("10","7","6","1","5","5","1") = "9"
    & skf18("10","7","6","1","5","6","1") = "9"
    & skf18("10","7","6","1","5","7","1") = "9"
    & skf18("10","7","6","1","5","8","1") = "9"
    & skf18("10","7","6","1","5","9","1") = "9"
    & skf18("10","7","6","1","5","10","1") = "9"
    & skf18("10","7","6","1","6","1","1") = "9"
    & skf18("10","7","6","1","6","2","1") = "9"
    & skf18("10","7","6","1","6","3","1") = "9"
    & skf18("10","7","6","1","6","4","1") = "9"
    & skf18("10","7","6","1","6","5","1") = "9"
    & skf18("10","7","6","1","6","6","1") = "9"
    & skf18("10","7","6","1","6","7","1") = "9"
    & skf18("10","7","6","1","6","8","1") = "9"
    & skf18("10","7","6","1","6","9","1") = "9"
    & skf18("10","7","6","1","6","10","1") = "9"
    & skf18("10","7","6","1","7","1","1") = "9"
    & skf18("10","7","6","1","7","2","1") = "9"
    & skf18("10","7","6","1","7","3","1") = "9"
    & skf18("10","7","6","1","7","4","1") = "9"
    & skf18("10","7","6","1","7","5","1") = "9"
    & skf18("10","7","6","1","7","6","1") = "9"
    & skf18("10","7","6","1","7","7","1") = "9"
    & skf18("10","7","6","1","7","8","1") = "9"
    & skf18("10","7","6","1","7","9","1") = "9"
    & skf18("10","7","6","1","7","10","1") = "9"
    & skf18("10","7","6","1","8","1","1") = "9"
    & skf18("10","7","6","1","8","2","1") = "9"
    & skf18("10","7","6","1","8","3","1") = "9"
    & skf18("10","7","6","1","8","4","1") = "9"
    & skf18("10","7","6","1","8","5","1") = "9"
    & skf18("10","7","6","1","8","6","1") = "9"
    & skf18("10","7","6","1","8","7","1") = "9"
    & skf18("10","7","6","1","8","8","1") = "9"
    & skf18("10","7","6","1","8","9","1") = "9"
    & skf18("10","7","6","1","8","10","1") = "9"
    & skf18("10","7","6","1","9","1","1") = "9"
    & skf18("10","7","6","1","9","2","1") = "9"
    & skf18("10","7","6","1","9","3","1") = "9"
    & skf18("10","7","6","1","9","4","1") = "9"
    & skf18("10","7","6","1","9","5","1") = "9"
    & skf18("10","7","6","1","9","6","1") = "9"
    & skf18("10","7","6","1","9","7","1") = "9"
    & skf18("10","7","6","1","9","8","1") = "9"
    & skf18("10","7","6","1","9","9","1") = "9"
    & skf18("10","7","6","1","9","10","1") = "9"
    & skf18("10","7","6","1","10","1","1") = "9"
    & skf18("10","7","6","1","10","2","1") = "9"
    & skf18("10","7","6","1","10","3","1") = "9"
    & skf18("10","7","6","1","10","4","1") = "9"
    & skf18("10","7","6","1","10","5","1") = "9"
    & skf18("10","7","6","1","10","6","1") = "9"
    & skf18("10","7","6","1","10","7","1") = "9"
    & skf18("10","7","6","1","10","8","1") = "9"
    & skf18("10","7","6","1","10","9","1") = "9"
    & skf18("10","7","6","1","10","10","1") = "9"
    & skf18("10","7","6","2","1","1","1") = "9"
    & skf18("10","7","6","2","1","2","1") = "9"
    & skf18("10","7","6","2","1","3","1") = "9"
    & skf18("10","7","6","2","1","4","1") = "9"
    & skf18("10","7","6","2","1","5","1") = "9"
    & skf18("10","7","6","2","1","6","1") = "9"
    & skf18("10","7","6","2","1","7","1") = "9"
    & skf18("10","7","6","2","1","8","1") = "9"
    & skf18("10","7","6","2","1","9","1") = "9"
    & skf18("10","7","6","2","1","10","1") = "9"
    & skf18("10","7","6","2","2","1","1") = "9"
    & skf18("10","7","6","2","2","2","1") = "9"
    & skf18("10","7","6","2","2","3","1") = "9"
    & skf18("10","7","6","2","2","4","1") = "9"
    & skf18("10","7","6","2","2","5","1") = "9"
    & skf18("10","7","6","2","2","6","1") = "9"
    & skf18("10","7","6","2","2","7","1") = "9"
    & skf18("10","7","6","2","2","8","1") = "9"
    & skf18("10","7","6","2","2","9","1") = "9"
    & skf18("10","7","6","2","2","10","1") = "9"
    & skf18("10","7","6","2","3","1","1") = "9"
    & skf18("10","7","6","2","3","2","1") = "9"
    & skf18("10","7","6","2","3","3","1") = "9"
    & skf18("10","7","6","2","3","4","1") = "9"
    & skf18("10","7","6","2","3","5","1") = "9"
    & skf18("10","7","6","2","3","6","1") = "9"
    & skf18("10","7","6","2","3","7","1") = "9"
    & skf18("10","7","6","2","3","8","1") = "9"
    & skf18("10","7","6","2","3","9","1") = "9"
    & skf18("10","7","6","2","3","10","1") = "9"
    & skf18("10","7","6","2","4","1","1") = "9"
    & skf18("10","7","6","2","4","2","1") = "9"
    & skf18("10","7","6","2","4","3","1") = "9"
    & skf18("10","7","6","2","4","4","1") = "9"
    & skf18("10","7","6","2","4","5","1") = "9"
    & skf18("10","7","6","2","4","6","1") = "9"
    & skf18("10","7","6","2","4","7","1") = "9"
    & skf18("10","7","6","2","4","8","1") = "9"
    & skf18("10","7","6","2","4","9","1") = "9"
    & skf18("10","7","6","2","4","10","1") = "9"
    & skf18("10","7","6","2","5","1","1") = "9"
    & skf18("10","7","6","2","5","2","1") = "9"
    & skf18("10","7","6","2","5","3","1") = "9"
    & skf18("10","7","6","2","5","4","1") = "9"
    & skf18("10","7","6","2","5","5","1") = "9"
    & skf18("10","7","6","2","5","6","1") = "9"
    & skf18("10","7","6","2","5","7","1") = "9"
    & skf18("10","7","6","2","5","8","1") = "9"
    & skf18("10","7","6","2","5","9","1") = "9"
    & skf18("10","7","6","2","5","10","1") = "9"
    & skf18("10","7","6","2","6","1","1") = "9"
    & skf18("10","7","6","2","6","2","1") = "9"
    & skf18("10","7","6","2","6","3","1") = "9"
    & skf18("10","7","6","2","6","4","1") = "9"
    & skf18("10","7","6","2","6","5","1") = "9"
    & skf18("10","7","6","2","6","6","1") = "9"
    & skf18("10","7","6","2","6","7","1") = "9"
    & skf18("10","7","6","2","6","8","1") = "9"
    & skf18("10","7","6","2","6","9","1") = "9"
    & skf18("10","7","6","2","6","10","1") = "9"
    & skf18("10","7","6","2","7","1","1") = "9"
    & skf18("10","7","6","2","7","2","1") = "9"
    & skf18("10","7","6","2","7","3","1") = "9"
    & skf18("10","7","6","2","7","4","1") = "9"
    & skf18("10","7","6","2","7","5","1") = "9"
    & skf18("10","7","6","2","7","6","1") = "9"
    & skf18("10","7","6","2","7","7","1") = "9"
    & skf18("10","7","6","2","7","8","1") = "9"
    & skf18("10","7","6","2","7","9","1") = "9"
    & skf18("10","7","6","2","7","10","1") = "9"
    & skf18("10","7","6","2","8","1","1") = "9"
    & skf18("10","7","6","2","8","2","1") = "9"
    & skf18("10","7","6","2","8","3","1") = "9"
    & skf18("10","7","6","2","8","4","1") = "9"
    & skf18("10","7","6","2","8","5","1") = "9"
    & skf18("10","7","6","2","8","6","1") = "9"
    & skf18("10","7","6","2","8","7","1") = "9"
    & skf18("10","7","6","2","8","8","1") = "9"
    & skf18("10","7","6","2","8","9","1") = "9"
    & skf18("10","7","6","2","8","10","1") = "9"
    & skf18("10","7","6","2","9","1","1") = "9"
    & skf18("10","7","6","2","9","2","1") = "9"
    & skf18("10","7","6","2","9","3","1") = "9"
    & skf18("10","7","6","2","9","4","1") = "9"
    & skf18("10","7","6","2","9","5","1") = "9"
    & skf18("10","7","6","2","9","6","1") = "9"
    & skf18("10","7","6","2","9","7","1") = "9"
    & skf18("10","7","6","2","9","8","1") = "9"
    & skf18("10","7","6","2","9","9","1") = "9"
    & skf18("10","7","6","2","9","10","1") = "9"
    & skf18("10","7","6","2","10","1","1") = "9"
    & skf18("10","7","6","2","10","2","1") = "9"
    & skf18("10","7","6","2","10","3","1") = "9"
    & skf18("10","7","6","2","10","4","1") = "9"
    & skf18("10","7","6","2","10","5","1") = "9"
    & skf18("10","7","6","2","10","6","1") = "9"
    & skf18("10","7","6","2","10","7","1") = "9"
    & skf18("10","7","6","2","10","8","1") = "9"
    & skf18("10","7","6","2","10","9","1") = "9"
    & skf18("10","7","6","2","10","10","1") = "9"
    & skf18("10","7","6","3","1","1","1") = "9"
    & skf18("10","7","6","3","1","2","1") = "9"
    & skf18("10","7","6","3","1","3","1") = "9"
    & skf18("10","7","6","3","1","4","1") = "9"
    & skf18("10","7","6","3","1","5","1") = "9"
    & skf18("10","7","6","3","1","6","1") = "9"
    & skf18("10","7","6","3","1","7","1") = "9"
    & skf18("10","7","6","3","1","8","1") = "9"
    & skf18("10","7","6","3","1","9","1") = "9"
    & skf18("10","7","6","3","1","10","1") = "9"
    & skf18("10","7","6","3","2","1","1") = "9"
    & skf18("10","7","6","3","2","2","1") = "9"
    & skf18("10","7","6","3","2","3","1") = "9"
    & skf18("10","7","6","3","2","4","1") = "9"
    & skf18("10","7","6","3","2","5","1") = "9"
    & skf18("10","7","6","3","2","6","1") = "9"
    & skf18("10","7","6","3","2","7","1") = "9"
    & skf18("10","7","6","3","2","8","1") = "9"
    & skf18("10","7","6","3","2","9","1") = "9"
    & skf18("10","7","6","3","2","10","1") = "9"
    & skf18("10","7","6","3","3","1","1") = "9"
    & skf18("10","7","6","3","3","2","1") = "9"
    & skf18("10","7","6","3","3","3","1") = "9"
    & skf18("10","7","6","3","3","4","1") = "9"
    & skf18("10","7","6","3","3","5","1") = "9"
    & skf18("10","7","6","3","3","6","1") = "9"
    & skf18("10","7","6","3","3","7","1") = "9"
    & skf18("10","7","6","3","3","8","1") = "9"
    & skf18("10","7","6","3","3","9","1") = "9"
    & skf18("10","7","6","3","3","10","1") = "9"
    & skf18("10","7","6","3","4","1","1") = "9"
    & skf18("10","7","6","3","4","2","1") = "9"
    & skf18("10","7","6","3","4","3","1") = "9"
    & skf18("10","7","6","3","4","4","1") = "9"
    & skf18("10","7","6","3","4","5","1") = "9"
    & skf18("10","7","6","3","4","6","1") = "9"
    & skf18("10","7","6","3","4","7","1") = "9"
    & skf18("10","7","6","3","4","8","1") = "9"
    & skf18("10","7","6","3","4","9","1") = "9"
    & skf18("10","7","6","3","4","10","1") = "9"
    & skf18("10","7","6","3","5","1","1") = "9"
    & skf18("10","7","6","3","5","2","1") = "9"
    & skf18("10","7","6","3","5","3","1") = "9"
    & skf18("10","7","6","3","5","4","1") = "9"
    & skf18("10","7","6","3","5","5","1") = "9"
    & skf18("10","7","6","3","5","6","1") = "9"
    & skf18("10","7","6","3","5","7","1") = "9"
    & skf18("10","7","6","3","5","8","1") = "9"
    & skf18("10","7","6","3","5","9","1") = "9"
    & skf18("10","7","6","3","5","10","1") = "9"
    & skf18("10","7","6","3","6","1","1") = "9"
    & skf18("10","7","6","3","6","2","1") = "9"
    & skf18("10","7","6","3","6","3","1") = "9"
    & skf18("10","7","6","3","6","4","1") = "9"
    & skf18("10","7","6","3","6","5","1") = "9"
    & skf18("10","7","6","3","6","6","1") = "9"
    & skf18("10","7","6","3","6","7","1") = "9"
    & skf18("10","7","6","3","6","8","1") = "9"
    & skf18("10","7","6","3","6","9","1") = "9"
    & skf18("10","7","6","3","6","10","1") = "9"
    & skf18("10","7","6","3","7","1","1") = "9"
    & skf18("10","7","6","3","7","2","1") = "9"
    & skf18("10","7","6","3","7","3","1") = "9"
    & skf18("10","7","6","3","7","4","1") = "9"
    & skf18("10","7","6","3","7","5","1") = "9"
    & skf18("10","7","6","3","7","6","1") = "9"
    & skf18("10","7","6","3","7","7","1") = "9"
    & skf18("10","7","6","3","7","8","1") = "9"
    & skf18("10","7","6","3","7","9","1") = "9"
    & skf18("10","7","6","3","7","10","1") = "9"
    & skf18("10","7","6","3","8","1","1") = "9"
    & skf18("10","7","6","3","8","2","1") = "9"
    & skf18("10","7","6","3","8","3","1") = "9"
    & skf18("10","7","6","3","8","4","1") = "9"
    & skf18("10","7","6","3","8","5","1") = "9"
    & skf18("10","7","6","3","8","6","1") = "9"
    & skf18("10","7","6","3","8","7","1") = "9"
    & skf18("10","7","6","3","8","8","1") = "9"
    & skf18("10","7","6","3","8","9","1") = "9"
    & skf18("10","7","6","3","8","10","1") = "9"
    & skf18("10","7","6","3","9","1","1") = "9"
    & skf18("10","7","6","3","9","2","1") = "9"
    & skf18("10","7","6","3","9","3","1") = "9"
    & skf18("10","7","6","3","9","4","1") = "9"
    & skf18("10","7","6","3","9","5","1") = "9"
    & skf18("10","7","6","3","9","6","1") = "9"
    & skf18("10","7","6","3","9","7","1") = "9"
    & skf18("10","7","6","3","9","8","1") = "9"
    & skf18("10","7","6","3","9","9","1") = "9"
    & skf18("10","7","6","3","9","10","1") = "9"
    & skf18("10","7","6","3","10","1","1") = "9"
    & skf18("10","7","6","3","10","2","1") = "9"
    & skf18("10","7","6","3","10","3","1") = "9"
    & skf18("10","7","6","3","10","4","1") = "9"
    & skf18("10","7","6","3","10","5","1") = "9"
    & skf18("10","7","6","3","10","6","1") = "9"
    & skf18("10","7","6","3","10","7","1") = "9"
    & skf18("10","7","6","3","10","8","1") = "9"
    & skf18("10","7","6","3","10","9","1") = "9"
    & skf18("10","7","6","3","10","10","1") = "9"
    & skf18("10","7","6","4","1","1","1") = "9"
    & skf18("10","7","6","4","1","2","1") = "9"
    & skf18("10","7","6","4","1","3","1") = "9"
    & skf18("10","7","6","4","1","4","1") = "9"
    & skf18("10","7","6","4","1","5","1") = "9"
    & skf18("10","7","6","4","1","6","1") = "9"
    & skf18("10","7","6","4","1","7","1") = "9"
    & skf18("10","7","6","4","1","8","1") = "9"
    & skf18("10","7","6","4","1","9","1") = "9"
    & skf18("10","7","6","4","1","10","1") = "9"
    & skf18("10","7","6","4","2","1","1") = "9"
    & skf18("10","7","6","4","2","2","1") = "9"
    & skf18("10","7","6","4","2","3","1") = "9"
    & skf18("10","7","6","4","2","4","1") = "9"
    & skf18("10","7","6","4","2","5","1") = "9"
    & skf18("10","7","6","4","2","6","1") = "9"
    & skf18("10","7","6","4","2","7","1") = "9"
    & skf18("10","7","6","4","2","8","1") = "9"
    & skf18("10","7","6","4","2","9","1") = "9"
    & skf18("10","7","6","4","2","10","1") = "9"
    & skf18("10","7","6","4","3","1","1") = "9"
    & skf18("10","7","6","4","3","2","1") = "9"
    & skf18("10","7","6","4","3","3","1") = "9"
    & skf18("10","7","6","4","3","4","1") = "9"
    & skf18("10","7","6","4","3","5","1") = "9"
    & skf18("10","7","6","4","3","6","1") = "9"
    & skf18("10","7","6","4","3","7","1") = "9"
    & skf18("10","7","6","4","3","8","1") = "9"
    & skf18("10","7","6","4","3","9","1") = "9"
    & skf18("10","7","6","4","3","10","1") = "9"
    & skf18("10","7","6","4","4","1","1") = "9"
    & skf18("10","7","6","4","4","2","1") = "9"
    & skf18("10","7","6","4","4","3","1") = "9"
    & skf18("10","7","6","4","4","4","1") = "9"
    & skf18("10","7","6","4","4","5","1") = "9"
    & skf18("10","7","6","4","4","6","1") = "9"
    & skf18("10","7","6","4","4","7","1") = "9"
    & skf18("10","7","6","4","4","8","1") = "9"
    & skf18("10","7","6","4","4","9","1") = "9"
    & skf18("10","7","6","4","4","10","1") = "9"
    & skf18("10","7","6","4","5","1","1") = "9"
    & skf18("10","7","6","4","5","2","1") = "9"
    & skf18("10","7","6","4","5","3","1") = "9"
    & skf18("10","7","6","4","5","4","1") = "9"
    & skf18("10","7","6","4","5","5","1") = "9"
    & skf18("10","7","6","4","5","6","1") = "9"
    & skf18("10","7","6","4","5","7","1") = "9"
    & skf18("10","7","6","4","5","8","1") = "9"
    & skf18("10","7","6","4","5","9","1") = "9"
    & skf18("10","7","6","4","5","10","1") = "9"
    & skf18("10","7","6","4","6","1","1") = "9"
    & skf18("10","7","6","4","6","2","1") = "9"
    & skf18("10","7","6","4","6","3","1") = "9"
    & skf18("10","7","6","4","6","4","1") = "9"
    & skf18("10","7","6","4","6","5","1") = "9"
    & skf18("10","7","6","4","6","6","1") = "9"
    & skf18("10","7","6","4","6","7","1") = "9"
    & skf18("10","7","6","4","6","8","1") = "9"
    & skf18("10","7","6","4","6","9","1") = "9"
    & skf18("10","7","6","4","6","10","1") = "9"
    & skf18("10","7","6","4","7","1","1") = "9"
    & skf18("10","7","6","4","7","2","1") = "9"
    & skf18("10","7","6","4","7","3","1") = "9"
    & skf18("10","7","6","4","7","4","1") = "9"
    & skf18("10","7","6","4","7","5","1") = "9"
    & skf18("10","7","6","4","7","6","1") = "9"
    & skf18("10","7","6","4","7","7","1") = "9"
    & skf18("10","7","6","4","7","8","1") = "9"
    & skf18("10","7","6","4","7","9","1") = "9"
    & skf18("10","7","6","4","7","10","1") = "9"
    & skf18("10","7","6","4","8","1","1") = "9"
    & skf18("10","7","6","4","8","2","1") = "9"
    & skf18("10","7","6","4","8","3","1") = "9"
    & skf18("10","7","6","4","8","4","1") = "9"
    & skf18("10","7","6","4","8","5","1") = "9"
    & skf18("10","7","6","4","8","6","1") = "9"
    & skf18("10","7","6","4","8","7","1") = "9"
    & skf18("10","7","6","4","8","8","1") = "9"
    & skf18("10","7","6","4","8","9","1") = "9"
    & skf18("10","7","6","4","8","10","1") = "9"
    & skf18("10","7","6","4","9","1","1") = "9"
    & skf18("10","7","6","4","9","2","1") = "9"
    & skf18("10","7","6","4","9","3","1") = "9"
    & skf18("10","7","6","4","9","4","1") = "9"
    & skf18("10","7","6","4","9","5","1") = "9"
    & skf18("10","7","6","4","9","6","1") = "9"
    & skf18("10","7","6","4","9","7","1") = "9"
    & skf18("10","7","6","4","9","8","1") = "9"
    & skf18("10","7","6","4","9","9","1") = "9"
    & skf18("10","7","6","4","9","10","1") = "9"
    & skf18("10","7","6","4","10","1","1") = "9"
    & skf18("10","7","6","4","10","2","1") = "9"
    & skf18("10","7","6","4","10","3","1") = "9"
    & skf18("10","7","6","4","10","4","1") = "9"
    & skf18("10","7","6","4","10","5","1") = "9"
    & skf18("10","7","6","4","10","6","1") = "9"
    & skf18("10","7","6","4","10","7","1") = "9"
    & skf18("10","7","6","4","10","8","1") = "9"
    & skf18("10","7","6","4","10","9","1") = "9"
    & skf18("10","7","6","4","10","10","1") = "9"
    & skf18("10","7","6","5","1","1","1") = "9"
    & skf18("10","7","6","5","1","2","1") = "9"
    & skf18("10","7","6","5","1","3","1") = "9"
    & skf18("10","7","6","5","1","4","1") = "9"
    & skf18("10","7","6","5","1","5","1") = "9"
    & skf18("10","7","6","5","1","6","1") = "9"
    & skf18("10","7","6","5","1","7","1") = "9"
    & skf18("10","7","6","5","1","8","1") = "9"
    & skf18("10","7","6","5","1","9","1") = "9"
    & skf18("10","7","6","5","1","10","1") = "9"
    & skf18("10","7","6","5","2","1","1") = "9"
    & skf18("10","7","6","5","2","2","1") = "9"
    & skf18("10","7","6","5","2","3","1") = "9"
    & skf18("10","7","6","5","2","4","1") = "9"
    & skf18("10","7","6","5","2","5","1") = "9"
    & skf18("10","7","6","5","2","6","1") = "9"
    & skf18("10","7","6","5","2","7","1") = "9"
    & skf18("10","7","6","5","2","8","1") = "9"
    & skf18("10","7","6","5","2","9","1") = "9"
    & skf18("10","7","6","5","2","10","1") = "9"
    & skf18("10","7","6","5","3","1","1") = "9"
    & skf18("10","7","6","5","3","2","1") = "9"
    & skf18("10","7","6","5","3","3","1") = "9"
    & skf18("10","7","6","5","3","4","1") = "9"
    & skf18("10","7","6","5","3","5","1") = "9"
    & skf18("10","7","6","5","3","6","1") = "9"
    & skf18("10","7","6","5","3","7","1") = "9"
    & skf18("10","7","6","5","3","8","1") = "9"
    & skf18("10","7","6","5","3","9","1") = "9"
    & skf18("10","7","6","5","3","10","1") = "9"
    & skf18("10","7","6","5","4","1","1") = "9"
    & skf18("10","7","6","5","4","2","1") = "9"
    & skf18("10","7","6","5","4","3","1") = "9"
    & skf18("10","7","6","5","4","4","1") = "9"
    & skf18("10","7","6","5","4","5","1") = "9"
    & skf18("10","7","6","5","4","6","1") = "9"
    & skf18("10","7","6","5","4","7","1") = "9"
    & skf18("10","7","6","5","4","8","1") = "9"
    & skf18("10","7","6","5","4","9","1") = "9"
    & skf18("10","7","6","5","4","10","1") = "9"
    & skf18("10","7","6","5","5","1","1") = "9"
    & skf18("10","7","6","5","5","2","1") = "9"
    & skf18("10","7","6","5","5","3","1") = "9"
    & skf18("10","7","6","5","5","4","1") = "9"
    & skf18("10","7","6","5","5","5","1") = "9"
    & skf18("10","7","6","5","5","6","1") = "9"
    & skf18("10","7","6","5","5","7","1") = "9"
    & skf18("10","7","6","5","5","8","1") = "9"
    & skf18("10","7","6","5","5","9","1") = "9"
    & skf18("10","7","6","5","5","10","1") = "9"
    & skf18("10","7","6","5","6","1","1") = "9"
    & skf18("10","7","6","5","6","2","1") = "9"
    & skf18("10","7","6","5","6","3","1") = "9"
    & skf18("10","7","6","5","6","4","1") = "9"
    & skf18("10","7","6","5","6","5","1") = "9"
    & skf18("10","7","6","5","6","6","1") = "9"
    & skf18("10","7","6","5","6","7","1") = "9"
    & skf18("10","7","6","5","6","8","1") = "9"
    & skf18("10","7","6","5","6","9","1") = "9"
    & skf18("10","7","6","5","6","10","1") = "9"
    & skf18("10","7","6","5","7","1","1") = "9"
    & skf18("10","7","6","5","7","2","1") = "9"
    & skf18("10","7","6","5","7","3","1") = "9"
    & skf18("10","7","6","5","7","4","1") = "9"
    & skf18("10","7","6","5","7","5","1") = "9"
    & skf18("10","7","6","5","7","6","1") = "9"
    & skf18("10","7","6","5","7","7","1") = "9"
    & skf18("10","7","6","5","7","8","1") = "9"
    & skf18("10","7","6","5","7","9","1") = "9"
    & skf18("10","7","6","5","7","10","1") = "9"
    & skf18("10","7","6","5","8","1","1") = "9"
    & skf18("10","7","6","5","8","2","1") = "9"
    & skf18("10","7","6","5","8","3","1") = "9"
    & skf18("10","7","6","5","8","4","1") = "9"
    & skf18("10","7","6","5","8","5","1") = "9"
    & skf18("10","7","6","5","8","6","1") = "9"
    & skf18("10","7","6","5","8","7","1") = "9"
    & skf18("10","7","6","5","8","8","1") = "9"
    & skf18("10","7","6","5","8","9","1") = "9"
    & skf18("10","7","6","5","8","10","1") = "9"
    & skf18("10","7","6","5","9","1","1") = "9"
    & skf18("10","7","6","5","9","2","1") = "9"
    & skf18("10","7","6","5","9","3","1") = "9"
    & skf18("10","7","6","5","9","4","1") = "9"
    & skf18("10","7","6","5","9","5","1") = "9"
    & skf18("10","7","6","5","9","6","1") = "9"
    & skf18("10","7","6","5","9","7","1") = "9"
    & skf18("10","7","6","5","9","8","1") = "9"
    & skf18("10","7","6","5","9","9","1") = "9"
    & skf18("10","7","6","5","9","10","1") = "9"
    & skf18("10","7","6","5","10","1","1") = "9"
    & skf18("10","7","6","5","10","2","1") = "9"
    & skf18("10","7","6","5","10","3","1") = "9"
    & skf18("10","7","6","5","10","4","1") = "9"
    & skf18("10","7","6","5","10","5","1") = "9"
    & skf18("10","7","6","5","10","6","1") = "9"
    & skf18("10","7","6","5","10","7","1") = "9"
    & skf18("10","7","6","5","10","8","1") = "9"
    & skf18("10","7","6","5","10","9","1") = "9"
    & skf18("10","7","6","5","10","10","1") = "9"
    & skf18("10","7","6","6","1","1","1") = "9"
    & skf18("10","7","6","6","1","2","1") = "9"
    & skf18("10","7","6","6","1","3","1") = "9"
    & skf18("10","7","6","6","1","4","1") = "9"
    & skf18("10","7","6","6","1","5","1") = "9"
    & skf18("10","7","6","6","1","6","1") = "9"
    & skf18("10","7","6","6","1","7","1") = "9"
    & skf18("10","7","6","6","1","8","1") = "9"
    & skf18("10","7","6","6","1","9","1") = "9"
    & skf18("10","7","6","6","1","10","1") = "9"
    & skf18("10","7","6","6","2","1","1") = "9"
    & skf18("10","7","6","6","2","2","1") = "9"
    & skf18("10","7","6","6","2","3","1") = "9"
    & skf18("10","7","6","6","2","4","1") = "9"
    & skf18("10","7","6","6","2","5","1") = "9"
    & skf18("10","7","6","6","2","6","1") = "9"
    & skf18("10","7","6","6","2","7","1") = "9"
    & skf18("10","7","6","6","2","8","1") = "9"
    & skf18("10","7","6","6","2","9","1") = "9"
    & skf18("10","7","6","6","2","10","1") = "9"
    & skf18("10","7","6","6","3","1","1") = "9"
    & skf18("10","7","6","6","3","2","1") = "9"
    & skf18("10","7","6","6","3","3","1") = "9"
    & skf18("10","7","6","6","3","4","1") = "9"
    & skf18("10","7","6","6","3","5","1") = "9"
    & skf18("10","7","6","6","3","6","1") = "9"
    & skf18("10","7","6","6","3","7","1") = "9"
    & skf18("10","7","6","6","3","8","1") = "9"
    & skf18("10","7","6","6","3","9","1") = "9"
    & skf18("10","7","6","6","3","10","1") = "9"
    & skf18("10","7","6","6","4","1","1") = "9"
    & skf18("10","7","6","6","4","2","1") = "9"
    & skf18("10","7","6","6","4","3","1") = "9"
    & skf18("10","7","6","6","4","4","1") = "9"
    & skf18("10","7","6","6","4","5","1") = "9"
    & skf18("10","7","6","6","4","6","1") = "9"
    & skf18("10","7","6","6","4","7","1") = "9"
    & skf18("10","7","6","6","4","8","1") = "9"
    & skf18("10","7","6","6","4","9","1") = "9"
    & skf18("10","7","6","6","4","10","1") = "9"
    & skf18("10","7","6","6","5","1","1") = "9"
    & skf18("10","7","6","6","5","2","1") = "9"
    & skf18("10","7","6","6","5","3","1") = "9"
    & skf18("10","7","6","6","5","4","1") = "9"
    & skf18("10","7","6","6","5","5","1") = "9"
    & skf18("10","7","6","6","5","6","1") = "9"
    & skf18("10","7","6","6","5","7","1") = "9"
    & skf18("10","7","6","6","5","8","1") = "9"
    & skf18("10","7","6","6","5","9","1") = "9"
    & skf18("10","7","6","6","5","10","1") = "9"
    & skf18("10","7","6","6","6","1","1") = "9"
    & skf18("10","7","6","6","6","2","1") = "9"
    & skf18("10","7","6","6","6","3","1") = "9"
    & skf18("10","7","6","6","6","4","1") = "9"
    & skf18("10","7","6","6","6","5","1") = "9"
    & skf18("10","7","6","6","6","6","1") = "9"
    & skf18("10","7","6","6","6","7","1") = "9"
    & skf18("10","7","6","6","6","8","1") = "9"
    & skf18("10","7","6","6","6","9","1") = "9"
    & skf18("10","7","6","6","6","10","1") = "9"
    & skf18("10","7","6","6","7","1","1") = "9"
    & skf18("10","7","6","6","7","2","1") = "9"
    & skf18("10","7","6","6","7","3","1") = "9"
    & skf18("10","7","6","6","7","4","1") = "9"
    & skf18("10","7","6","6","7","5","1") = "9"
    & skf18("10","7","6","6","7","6","1") = "9"
    & skf18("10","7","6","6","7","7","1") = "9"
    & skf18("10","7","6","6","7","8","1") = "9"
    & skf18("10","7","6","6","7","9","1") = "9"
    & skf18("10","7","6","6","7","10","1") = "9"
    & skf18("10","7","6","6","8","1","1") = "9"
    & skf18("10","7","6","6","8","2","1") = "9"
    & skf18("10","7","6","6","8","3","1") = "9"
    & skf18("10","7","6","6","8","4","1") = "9"
    & skf18("10","7","6","6","8","5","1") = "9"
    & skf18("10","7","6","6","8","6","1") = "9"
    & skf18("10","7","6","6","8","7","1") = "9"
    & skf18("10","7","6","6","8","8","1") = "9"
    & skf18("10","7","6","6","8","9","1") = "9"
    & skf18("10","7","6","6","8","10","1") = "9"
    & skf18("10","7","6","6","9","1","1") = "9"
    & skf18("10","7","6","6","9","2","1") = "9"
    & skf18("10","7","6","6","9","3","1") = "9"
    & skf18("10","7","6","6","9","4","1") = "9"
    & skf18("10","7","6","6","9","5","1") = "9"
    & skf18("10","7","6","6","9","6","1") = "9"
    & skf18("10","7","6","6","9","7","1") = "9"
    & skf18("10","7","6","6","9","8","1") = "9"
    & skf18("10","7","6","6","9","9","1") = "9"
    & skf18("10","7","6","6","9","10","1") = "9"
    & skf18("10","7","6","6","10","1","1") = "9"
    & skf18("10","7","6","6","10","2","1") = "9"
    & skf18("10","7","6","6","10","3","1") = "9"
    & skf18("10","7","6","6","10","4","1") = "9"
    & skf18("10","7","6","6","10","5","1") = "9"
    & skf18("10","7","6","6","10","6","1") = "9"
    & skf18("10","7","6","6","10","7","1") = "9"
    & skf18("10","7","6","6","10","8","1") = "9"
    & skf18("10","7","6","6","10","9","1") = "9"
    & skf18("10","7","6","6","10","10","1") = "9"
    & skf18("10","7","6","7","1","1","1") = "9"
    & skf18("10","7","6","7","1","2","1") = "9"
    & skf18("10","7","6","7","1","3","1") = "9"
    & skf18("10","7","6","7","1","4","1") = "9"
    & skf18("10","7","6","7","1","5","1") = "9"
    & skf18("10","7","6","7","1","6","1") = "9"
    & skf18("10","7","6","7","1","7","1") = "9"
    & skf18("10","7","6","7","1","8","1") = "9"
    & skf18("10","7","6","7","1","9","1") = "9"
    & skf18("10","7","6","7","1","10","1") = "9"
    & skf18("10","7","6","7","2","1","1") = "9"
    & skf18("10","7","6","7","2","2","1") = "9"
    & skf18("10","7","6","7","2","3","1") = "9"
    & skf18("10","7","6","7","2","4","1") = "9"
    & skf18("10","7","6","7","2","5","1") = "9"
    & skf18("10","7","6","7","2","6","1") = "9"
    & skf18("10","7","6","7","2","7","1") = "9"
    & skf18("10","7","6","7","2","8","1") = "9"
    & skf18("10","7","6","7","2","9","1") = "9"
    & skf18("10","7","6","7","2","10","1") = "9"
    & skf18("10","7","6","7","3","1","1") = "9"
    & skf18("10","7","6","7","3","2","1") = "9"
    & skf18("10","7","6","7","3","3","1") = "9"
    & skf18("10","7","6","7","3","4","1") = "9"
    & skf18("10","7","6","7","3","5","1") = "9"
    & skf18("10","7","6","7","3","6","1") = "9"
    & skf18("10","7","6","7","3","7","1") = "9"
    & skf18("10","7","6","7","3","8","1") = "9"
    & skf18("10","7","6","7","3","9","1") = "9"
    & skf18("10","7","6","7","3","10","1") = "9"
    & skf18("10","7","6","7","4","1","1") = "9"
    & skf18("10","7","6","7","4","2","1") = "9"
    & skf18("10","7","6","7","4","3","1") = "9"
    & skf18("10","7","6","7","4","4","1") = "9"
    & skf18("10","7","6","7","4","5","1") = "9"
    & skf18("10","7","6","7","4","6","1") = "9"
    & skf18("10","7","6","7","4","7","1") = "9"
    & skf18("10","7","6","7","4","8","1") = "9"
    & skf18("10","7","6","7","4","9","1") = "9"
    & skf18("10","7","6","7","4","10","1") = "9"
    & skf18("10","7","6","7","5","1","1") = "9"
    & skf18("10","7","6","7","5","2","1") = "9"
    & skf18("10","7","6","7","5","3","1") = "9"
    & skf18("10","7","6","7","5","4","1") = "9"
    & skf18("10","7","6","7","5","5","1") = "9"
    & skf18("10","7","6","7","5","6","1") = "9"
    & skf18("10","7","6","7","5","7","1") = "9"
    & skf18("10","7","6","7","5","8","1") = "9"
    & skf18("10","7","6","7","5","9","1") = "9"
    & skf18("10","7","6","7","5","10","1") = "9"
    & skf18("10","7","6","7","6","1","1") = "9"
    & skf18("10","7","6","7","6","2","1") = "9"
    & skf18("10","7","6","7","6","3","1") = "9"
    & skf18("10","7","6","7","6","4","1") = "9"
    & skf18("10","7","6","7","6","5","1") = "9"
    & skf18("10","7","6","7","6","6","1") = "9"
    & skf18("10","7","6","7","6","7","1") = "9"
    & skf18("10","7","6","7","6","8","1") = "9"
    & skf18("10","7","6","7","6","9","1") = "9"
    & skf18("10","7","6","7","6","10","1") = "9"
    & skf18("10","7","6","7","7","1","1") = "9"
    & skf18("10","7","6","7","7","2","1") = "9"
    & skf18("10","7","6","7","7","3","1") = "9"
    & skf18("10","7","6","7","7","4","1") = "9"
    & skf18("10","7","6","7","7","5","1") = "9"
    & skf18("10","7","6","7","7","6","1") = "9"
    & skf18("10","7","6","7","7","7","1") = "9"
    & skf18("10","7","6","7","7","8","1") = "9"
    & skf18("10","7","6","7","7","9","1") = "9"
    & skf18("10","7","6","7","7","10","1") = "9"
    & skf18("10","7","6","7","8","1","1") = "9"
    & skf18("10","7","6","7","8","2","1") = "9"
    & skf18("10","7","6","7","8","3","1") = "9"
    & skf18("10","7","6","7","8","4","1") = "9"
    & skf18("10","7","6","7","8","5","1") = "9"
    & skf18("10","7","6","7","8","6","1") = "9"
    & skf18("10","7","6","7","8","7","1") = "9"
    & skf18("10","7","6","7","8","8","1") = "9"
    & skf18("10","7","6","7","8","9","1") = "9"
    & skf18("10","7","6","7","8","10","1") = "9"
    & skf18("10","7","6","7","9","1","1") = "9"
    & skf18("10","7","6","7","9","2","1") = "9"
    & skf18("10","7","6","7","9","3","1") = "9"
    & skf18("10","7","6","7","9","4","1") = "9"
    & skf18("10","7","6","7","9","5","1") = "9"
    & skf18("10","7","6","7","9","6","1") = "9"
    & skf18("10","7","6","7","9","7","1") = "9"
    & skf18("10","7","6","7","9","8","1") = "9"
    & skf18("10","7","6","7","9","9","1") = "9"
    & skf18("10","7","6","7","9","10","1") = "9"
    & skf18("10","7","6","7","10","1","1") = "9"
    & skf18("10","7","6","7","10","2","1") = "9"
    & skf18("10","7","6","7","10","3","1") = "9"
    & skf18("10","7","6","7","10","4","1") = "9"
    & skf18("10","7","6","7","10","5","1") = "9"
    & skf18("10","7","6","7","10","6","1") = "9"
    & skf18("10","7","6","7","10","7","1") = "9"
    & skf18("10","7","6","7","10","8","1") = "9"
    & skf18("10","7","6","7","10","9","1") = "9"
    & skf18("10","7","6","7","10","10","1") = "9"
    & skf18("10","7","6","8","1","1","1") = "9"
    & skf18("10","7","6","8","1","2","1") = "9"
    & skf18("10","7","6","8","1","3","1") = "9"
    & skf18("10","7","6","8","1","4","1") = "9"
    & skf18("10","7","6","8","1","5","1") = "9"
    & skf18("10","7","6","8","1","6","1") = "9"
    & skf18("10","7","6","8","1","7","1") = "9"
    & skf18("10","7","6","8","1","8","1") = "9"
    & skf18("10","7","6","8","1","9","1") = "9"
    & skf18("10","7","6","8","1","10","1") = "9"
    & skf18("10","7","6","8","2","1","1") = "9"
    & skf18("10","7","6","8","2","2","1") = "9"
    & skf18("10","7","6","8","2","3","1") = "9"
    & skf18("10","7","6","8","2","4","1") = "9"
    & skf18("10","7","6","8","2","5","1") = "9"
    & skf18("10","7","6","8","2","6","1") = "9"
    & skf18("10","7","6","8","2","7","1") = "9"
    & skf18("10","7","6","8","2","8","1") = "9"
    & skf18("10","7","6","8","2","9","1") = "9"
    & skf18("10","7","6","8","2","10","1") = "9"
    & skf18("10","7","6","8","3","1","1") = "9"
    & skf18("10","7","6","8","3","2","1") = "9"
    & skf18("10","7","6","8","3","3","1") = "9"
    & skf18("10","7","6","8","3","4","1") = "9"
    & skf18("10","7","6","8","3","5","1") = "9"
    & skf18("10","7","6","8","3","6","1") = "9"
    & skf18("10","7","6","8","3","7","1") = "9"
    & skf18("10","7","6","8","3","8","1") = "9"
    & skf18("10","7","6","8","3","9","1") = "9"
    & skf18("10","7","6","8","3","10","1") = "9"
    & skf18("10","7","6","8","4","1","1") = "9"
    & skf18("10","7","6","8","4","2","1") = "9"
    & skf18("10","7","6","8","4","3","1") = "9"
    & skf18("10","7","6","8","4","4","1") = "9"
    & skf18("10","7","6","8","4","5","1") = "9"
    & skf18("10","7","6","8","4","6","1") = "9"
    & skf18("10","7","6","8","4","7","1") = "9"
    & skf18("10","7","6","8","4","8","1") = "9"
    & skf18("10","7","6","8","4","9","1") = "9"
    & skf18("10","7","6","8","4","10","1") = "9"
    & skf18("10","7","6","8","5","1","1") = "9"
    & skf18("10","7","6","8","5","2","1") = "9"
    & skf18("10","7","6","8","5","3","1") = "9"
    & skf18("10","7","6","8","5","4","1") = "9"
    & skf18("10","7","6","8","5","5","1") = "9"
    & skf18("10","7","6","8","5","6","1") = "9"
    & skf18("10","7","6","8","5","7","1") = "9"
    & skf18("10","7","6","8","5","8","1") = "9"
    & skf18("10","7","6","8","5","9","1") = "9"
    & skf18("10","7","6","8","5","10","1") = "9"
    & skf18("10","7","6","8","6","1","1") = "9"
    & skf18("10","7","6","8","6","2","1") = "9"
    & skf18("10","7","6","8","6","3","1") = "9"
    & skf18("10","7","6","8","6","4","1") = "9"
    & skf18("10","7","6","8","6","5","1") = "9"
    & skf18("10","7","6","8","6","6","1") = "9"
    & skf18("10","7","6","8","6","7","1") = "9"
    & skf18("10","7","6","8","6","8","1") = "9"
    & skf18("10","7","6","8","6","9","1") = "9"
    & skf18("10","7","6","8","6","10","1") = "9"
    & skf18("10","7","6","8","7","1","1") = "9"
    & skf18("10","7","6","8","7","2","1") = "9"
    & skf18("10","7","6","8","7","3","1") = "9"
    & skf18("10","7","6","8","7","4","1") = "9"
    & skf18("10","7","6","8","7","5","1") = "9"
    & skf18("10","7","6","8","7","6","1") = "9"
    & skf18("10","7","6","8","7","7","1") = "9"
    & skf18("10","7","6","8","7","8","1") = "9"
    & skf18("10","7","6","8","7","9","1") = "9"
    & skf18("10","7","6","8","7","10","1") = "9"
    & skf18("10","7","6","8","8","1","1") = "9"
    & skf18("10","7","6","8","8","2","1") = "9"
    & skf18("10","7","6","8","8","3","1") = "9"
    & skf18("10","7","6","8","8","4","1") = "9"
    & skf18("10","7","6","8","8","5","1") = "9"
    & skf18("10","7","6","8","8","6","1") = "9"
    & skf18("10","7","6","8","8","7","1") = "9"
    & skf18("10","7","6","8","8","8","1") = "9"
    & skf18("10","7","6","8","8","9","1") = "9"
    & skf18("10","7","6","8","8","10","1") = "9"
    & skf18("10","7","6","8","9","1","1") = "9"
    & skf18("10","7","6","8","9","2","1") = "9"
    & skf18("10","7","6","8","9","3","1") = "9"
    & skf18("10","7","6","8","9","4","1") = "9"
    & skf18("10","7","6","8","9","5","1") = "9"
    & skf18("10","7","6","8","9","6","1") = "9"
    & skf18("10","7","6","8","9","7","1") = "9"
    & skf18("10","7","6","8","9","8","1") = "9"
    & skf18("10","7","6","8","9","9","1") = "9"
    & skf18("10","7","6","8","9","10","1") = "9"
    & skf18("10","7","6","8","10","1","1") = "9"
    & skf18("10","7","6","8","10","2","1") = "9"
    & skf18("10","7","6","8","10","3","1") = "9"
    & skf18("10","7","6","8","10","4","1") = "9"
    & skf18("10","7","6","8","10","5","1") = "9"
    & skf18("10","7","6","8","10","6","1") = "9"
    & skf18("10","7","6","8","10","7","1") = "9"
    & skf18("10","7","6","8","10","8","1") = "9"
    & skf18("10","7","6","8","10","9","1") = "9"
    & skf18("10","7","6","8","10","10","1") = "9"
    & skf18("10","7","6","9","1","1","1") = "9"
    & skf18("10","7","6","9","1","2","1") = "9"
    & skf18("10","7","6","9","1","3","1") = "9"
    & skf18("10","7","6","9","1","4","1") = "9"
    & skf18("10","7","6","9","1","5","1") = "9"
    & skf18("10","7","6","9","1","6","1") = "9"
    & skf18("10","7","6","9","1","7","1") = "9"
    & skf18("10","7","6","9","1","8","1") = "9"
    & skf18("10","7","6","9","1","9","1") = "9"
    & skf18("10","7","6","9","1","10","1") = "9"
    & skf18("10","7","6","9","2","1","1") = "9"
    & skf18("10","7","6","9","2","2","1") = "9"
    & skf18("10","7","6","9","2","3","1") = "9"
    & skf18("10","7","6","9","2","4","1") = "9"
    & skf18("10","7","6","9","2","5","1") = "9"
    & skf18("10","7","6","9","2","6","1") = "9"
    & skf18("10","7","6","9","2","7","1") = "9"
    & skf18("10","7","6","9","2","8","1") = "9"
    & skf18("10","7","6","9","2","9","1") = "9"
    & skf18("10","7","6","9","2","10","1") = "9"
    & skf18("10","7","6","9","3","1","1") = "9"
    & skf18("10","7","6","9","3","2","1") = "9"
    & skf18("10","7","6","9","3","3","1") = "9"
    & skf18("10","7","6","9","3","4","1") = "9"
    & skf18("10","7","6","9","3","5","1") = "9"
    & skf18("10","7","6","9","3","6","1") = "9"
    & skf18("10","7","6","9","3","7","1") = "9"
    & skf18("10","7","6","9","3","8","1") = "9"
    & skf18("10","7","6","9","3","9","1") = "9"
    & skf18("10","7","6","9","3","10","1") = "9"
    & skf18("10","7","6","9","4","1","1") = "9"
    & skf18("10","7","6","9","4","2","1") = "9"
    & skf18("10","7","6","9","4","3","1") = "9"
    & skf18("10","7","6","9","4","4","1") = "9"
    & skf18("10","7","6","9","4","5","1") = "9"
    & skf18("10","7","6","9","4","6","1") = "9"
    & skf18("10","7","6","9","4","7","1") = "9"
    & skf18("10","7","6","9","4","8","1") = "9"
    & skf18("10","7","6","9","4","9","1") = "9"
    & skf18("10","7","6","9","4","10","1") = "9"
    & skf18("10","7","6","9","5","1","1") = "9"
    & skf18("10","7","6","9","5","2","1") = "9"
    & skf18("10","7","6","9","5","3","1") = "9"
    & skf18("10","7","6","9","5","4","1") = "9"
    & skf18("10","7","6","9","5","5","1") = "9"
    & skf18("10","7","6","9","5","6","1") = "9"
    & skf18("10","7","6","9","5","7","1") = "9"
    & skf18("10","7","6","9","5","8","1") = "9"
    & skf18("10","7","6","9","5","9","1") = "9"
    & skf18("10","7","6","9","5","10","1") = "9"
    & skf18("10","7","6","9","6","1","1") = "9"
    & skf18("10","7","6","9","6","2","1") = "9"
    & skf18("10","7","6","9","6","3","1") = "9"
    & skf18("10","7","6","9","6","4","1") = "9"
    & skf18("10","7","6","9","6","5","1") = "9"
    & skf18("10","7","6","9","6","6","1") = "9"
    & skf18("10","7","6","9","6","7","1") = "9"
    & skf18("10","7","6","9","6","8","1") = "9"
    & skf18("10","7","6","9","6","9","1") = "9"
    & skf18("10","7","6","9","6","10","1") = "9"
    & skf18("10","7","6","9","7","1","1") = "9"
    & skf18("10","7","6","9","7","2","1") = "9"
    & skf18("10","7","6","9","7","3","1") = "9"
    & skf18("10","7","6","9","7","4","1") = "9"
    & skf18("10","7","6","9","7","5","1") = "9"
    & skf18("10","7","6","9","7","6","1") = "9"
    & skf18("10","7","6","9","7","7","1") = "9"
    & skf18("10","7","6","9","7","8","1") = "9"
    & skf18("10","7","6","9","7","9","1") = "9"
    & skf18("10","7","6","9","7","10","1") = "9"
    & skf18("10","7","6","9","8","1","1") = "9"
    & skf18("10","7","6","9","8","2","1") = "9"
    & skf18("10","7","6","9","8","3","1") = "9"
    & skf18("10","7","6","9","8","4","1") = "9"
    & skf18("10","7","6","9","8","5","1") = "9"
    & skf18("10","7","6","9","8","6","1") = "9"
    & skf18("10","7","6","9","8","7","1") = "9"
    & skf18("10","7","6","9","8","8","1") = "9"
    & skf18("10","7","6","9","8","9","1") = "9"
    & skf18("10","7","6","9","8","10","1") = "9"
    & skf18("10","7","6","9","9","1","1") = "9"
    & skf18("10","7","6","9","9","2","1") = "9"
    & skf18("10","7","6","9","9","3","1") = "9"
    & skf18("10","7","6","9","9","4","1") = "9"
    & skf18("10","7","6","9","9","5","1") = "9"
    & skf18("10","7","6","9","9","6","1") = "9"
    & skf18("10","7","6","9","9","7","1") = "9"
    & skf18("10","7","6","9","9","8","1") = "9"
    & skf18("10","7","6","9","9","9","1") = "9"
    & skf18("10","7","6","9","9","10","1") = "9"
    & skf18("10","7","6","9","10","1","1") = "9"
    & skf18("10","7","6","9","10","2","1") = "9"
    & skf18("10","7","6","9","10","3","1") = "9"
    & skf18("10","7","6","9","10","4","1") = "9"
    & skf18("10","7","6","9","10","5","1") = "9"
    & skf18("10","7","6","9","10","6","1") = "9"
    & skf18("10","7","6","9","10","7","1") = "9"
    & skf18("10","7","6","9","10","8","1") = "9"
    & skf18("10","7","6","9","10","9","1") = "9"
    & skf18("10","7","6","9","10","10","1") = "9"
    & skf18("10","7","6","10","1","1","1") = "9"
    & skf18("10","7","6","10","1","2","1") = "9"
    & skf18("10","7","6","10","1","3","1") = "9"
    & skf18("10","7","6","10","1","4","1") = "9"
    & skf18("10","7","6","10","1","5","1") = "9"
    & skf18("10","7","6","10","1","6","1") = "9"
    & skf18("10","7","6","10","1","7","1") = "9"
    & skf18("10","7","6","10","1","8","1") = "9"
    & skf18("10","7","6","10","1","9","1") = "9"
    & skf18("10","7","6","10","1","10","1") = "9"
    & skf18("10","7","6","10","2","1","1") = "9"
    & skf18("10","7","6","10","2","2","1") = "9"
    & skf18("10","7","6","10","2","3","1") = "9"
    & skf18("10","7","6","10","2","4","1") = "9"
    & skf18("10","7","6","10","2","5","1") = "9"
    & skf18("10","7","6","10","2","6","1") = "9"
    & skf18("10","7","6","10","2","7","1") = "9"
    & skf18("10","7","6","10","2","8","1") = "9"
    & skf18("10","7","6","10","2","9","1") = "9"
    & skf18("10","7","6","10","2","10","1") = "9"
    & skf18("10","7","6","10","3","1","1") = "9"
    & skf18("10","7","6","10","3","2","1") = "9"
    & skf18("10","7","6","10","3","3","1") = "9"
    & skf18("10","7","6","10","3","4","1") = "9"
    & skf18("10","7","6","10","3","5","1") = "9"
    & skf18("10","7","6","10","3","6","1") = "9"
    & skf18("10","7","6","10","3","7","1") = "9"
    & skf18("10","7","6","10","3","8","1") = "9"
    & skf18("10","7","6","10","3","9","1") = "9"
    & skf18("10","7","6","10","3","10","1") = "9"
    & skf18("10","7","6","10","4","1","1") = "9"
    & skf18("10","7","6","10","4","2","1") = "9"
    & skf18("10","7","6","10","4","3","1") = "9"
    & skf18("10","7","6","10","4","4","1") = "9"
    & skf18("10","7","6","10","4","5","1") = "9"
    & skf18("10","7","6","10","4","6","1") = "9"
    & skf18("10","7","6","10","4","7","1") = "9"
    & skf18("10","7","6","10","4","8","1") = "9"
    & skf18("10","7","6","10","4","9","1") = "9"
    & skf18("10","7","6","10","4","10","1") = "9"
    & skf18("10","7","6","10","5","1","1") = "9"
    & skf18("10","7","6","10","5","2","1") = "9"
    & skf18("10","7","6","10","5","3","1") = "9"
    & skf18("10","7","6","10","5","4","1") = "9"
    & skf18("10","7","6","10","5","5","1") = "9"
    & skf18("10","7","6","10","5","6","1") = "9"
    & skf18("10","7","6","10","5","7","1") = "9"
    & skf18("10","7","6","10","5","8","1") = "9"
    & skf18("10","7","6","10","5","9","1") = "9"
    & skf18("10","7","6","10","5","10","1") = "9"
    & skf18("10","7","6","10","6","1","1") = "9"
    & skf18("10","7","6","10","6","2","1") = "9"
    & skf18("10","7","6","10","6","3","1") = "9"
    & skf18("10","7","6","10","6","4","1") = "9"
    & skf18("10","7","6","10","6","5","1") = "9"
    & skf18("10","7","6","10","6","6","1") = "9"
    & skf18("10","7","6","10","6","7","1") = "9"
    & skf18("10","7","6","10","6","8","1") = "9"
    & skf18("10","7","6","10","6","9","1") = "9"
    & skf18("10","7","6","10","6","10","1") = "9"
    & skf18("10","7","6","10","7","1","1") = "9"
    & skf18("10","7","6","10","7","2","1") = "9"
    & skf18("10","7","6","10","7","3","1") = "9"
    & skf18("10","7","6","10","7","4","1") = "9"
    & skf18("10","7","6","10","7","5","1") = "9"
    & skf18("10","7","6","10","7","6","1") = "9"
    & skf18("10","7","6","10","7","7","1") = "9"
    & skf18("10","7","6","10","7","8","1") = "9"
    & skf18("10","7","6","10","7","9","1") = "9"
    & skf18("10","7","6","10","7","10","1") = "9"
    & skf18("10","7","6","10","8","1","1") = "9"
    & skf18("10","7","6","10","8","2","1") = "9"
    & skf18("10","7","6","10","8","3","1") = "9"
    & skf18("10","7","6","10","8","4","1") = "9"
    & skf18("10","7","6","10","8","5","1") = "9"
    & skf18("10","7","6","10","8","6","1") = "9"
    & skf18("10","7","6","10","8","7","1") = "9"
    & skf18("10","7","6","10","8","8","1") = "9"
    & skf18("10","7","6","10","8","9","1") = "9"
    & skf18("10","7","6","10","8","10","1") = "9"
    & skf18("10","7","6","10","9","1","1") = "9"
    & skf18("10","7","6","10","9","2","1") = "9"
    & skf18("10","7","6","10","9","3","1") = "9"
    & skf18("10","7","6","10","9","4","1") = "9"
    & skf18("10","7","6","10","9","5","1") = "9"
    & skf18("10","7","6","10","9","6","1") = "9"
    & skf18("10","7","6","10","9","7","1") = "9"
    & skf18("10","7","6","10","9","8","1") = "9"
    & skf18("10","7","6","10","9","9","1") = "9"
    & skf18("10","7","6","10","9","10","1") = "9"
    & skf18("10","7","6","10","10","1","1") = "9"
    & skf18("10","7","6","10","10","2","1") = "9"
    & skf18("10","7","6","10","10","3","1") = "9"
    & skf18("10","7","6","10","10","4","1") = "9"
    & skf18("10","7","6","10","10","5","1") = "9"
    & skf18("10","7","6","10","10","6","1") = "9"
    & skf18("10","7","6","10","10","7","1") = "9"
    & skf18("10","7","6","10","10","8","1") = "9"
    & skf18("10","7","6","10","10","9","1") = "9"
    & skf18("10","7","6","10","10","10","1") = "9"
    & skf18("10","7","7","1","1","1","1") = "9"
    & skf18("10","7","7","1","1","2","1") = "9"
    & skf18("10","7","7","1","1","3","1") = "9"
    & skf18("10","7","7","1","1","4","1") = "9"
    & skf18("10","7","7","1","1","5","1") = "9"
    & skf18("10","7","7","1","1","6","1") = "9"
    & skf18("10","7","7","1","1","7","1") = "9"
    & skf18("10","7","7","1","1","8","1") = "9"
    & skf18("10","7","7","1","1","9","1") = "9"
    & skf18("10","7","7","1","1","10","1") = "9"
    & skf18("10","7","7","1","2","1","1") = "9"
    & skf18("10","7","7","1","2","2","1") = "9"
    & skf18("10","7","7","1","2","3","1") = "9"
    & skf18("10","7","7","1","2","4","1") = "9"
    & skf18("10","7","7","1","2","5","1") = "9"
    & skf18("10","7","7","1","2","6","1") = "9"
    & skf18("10","7","7","1","2","7","1") = "9"
    & skf18("10","7","7","1","2","8","1") = "9"
    & skf18("10","7","7","1","2","9","1") = "9"
    & skf18("10","7","7","1","2","10","1") = "9"
    & skf18("10","7","7","1","3","1","1") = "9"
    & skf18("10","7","7","1","3","2","1") = "9"
    & skf18("10","7","7","1","3","3","1") = "9"
    & skf18("10","7","7","1","3","4","1") = "9"
    & skf18("10","7","7","1","3","5","1") = "9"
    & skf18("10","7","7","1","3","6","1") = "9"
    & skf18("10","7","7","1","3","7","1") = "9"
    & skf18("10","7","7","1","3","8","1") = "9"
    & skf18("10","7","7","1","3","9","1") = "9"
    & skf18("10","7","7","1","3","10","1") = "9"
    & skf18("10","7","7","1","4","1","1") = "9"
    & skf18("10","7","7","1","4","2","1") = "9"
    & skf18("10","7","7","1","4","3","1") = "9"
    & skf18("10","7","7","1","4","4","1") = "9"
    & skf18("10","7","7","1","4","5","1") = "9"
    & skf18("10","7","7","1","4","6","1") = "9"
    & skf18("10","7","7","1","4","7","1") = "9"
    & skf18("10","7","7","1","4","8","1") = "9"
    & skf18("10","7","7","1","4","9","1") = "9"
    & skf18("10","7","7","1","4","10","1") = "9"
    & skf18("10","7","7","1","5","1","1") = "9"
    & skf18("10","7","7","1","5","2","1") = "9"
    & skf18("10","7","7","1","5","3","1") = "9"
    & skf18("10","7","7","1","5","4","1") = "9"
    & skf18("10","7","7","1","5","5","1") = "9"
    & skf18("10","7","7","1","5","6","1") = "9"
    & skf18("10","7","7","1","5","7","1") = "9"
    & skf18("10","7","7","1","5","8","1") = "9"
    & skf18("10","7","7","1","5","9","1") = "9"
    & skf18("10","7","7","1","5","10","1") = "9"
    & skf18("10","7","7","1","6","1","1") = "9"
    & skf18("10","7","7","1","6","2","1") = "9"
    & skf18("10","7","7","1","6","3","1") = "9"
    & skf18("10","7","7","1","6","4","1") = "9"
    & skf18("10","7","7","1","6","5","1") = "9"
    & skf18("10","7","7","1","6","6","1") = "9"
    & skf18("10","7","7","1","6","7","1") = "9"
    & skf18("10","7","7","1","6","8","1") = "9"
    & skf18("10","7","7","1","6","9","1") = "9"
    & skf18("10","7","7","1","6","10","1") = "9"
    & skf18("10","7","7","1","7","1","1") = "9"
    & skf18("10","7","7","1","7","2","1") = "9"
    & skf18("10","7","7","1","7","3","1") = "9"
    & skf18("10","7","7","1","7","4","1") = "9"
    & skf18("10","7","7","1","7","5","1") = "9"
    & skf18("10","7","7","1","7","6","1") = "9"
    & skf18("10","7","7","1","7","7","1") = "9"
    & skf18("10","7","7","1","7","8","1") = "9"
    & skf18("10","7","7","1","7","9","1") = "9"
    & skf18("10","7","7","1","7","10","1") = "9"
    & skf18("10","7","7","1","8","1","1") = "9"
    & skf18("10","7","7","1","8","2","1") = "9"
    & skf18("10","7","7","1","8","3","1") = "9"
    & skf18("10","7","7","1","8","4","1") = "9"
    & skf18("10","7","7","1","8","5","1") = "9"
    & skf18("10","7","7","1","8","6","1") = "9"
    & skf18("10","7","7","1","8","7","1") = "9"
    & skf18("10","7","7","1","8","8","1") = "9"
    & skf18("10","7","7","1","8","9","1") = "9"
    & skf18("10","7","7","1","8","10","1") = "9"
    & skf18("10","7","7","1","9","1","1") = "9"
    & skf18("10","7","7","1","9","2","1") = "9"
    & skf18("10","7","7","1","9","3","1") = "9"
    & skf18("10","7","7","1","9","4","1") = "9"
    & skf18("10","7","7","1","9","5","1") = "9"
    & skf18("10","7","7","1","9","6","1") = "9"
    & skf18("10","7","7","1","9","7","1") = "9"
    & skf18("10","7","7","1","9","8","1") = "9"
    & skf18("10","7","7","1","9","9","1") = "9"
    & skf18("10","7","7","1","9","10","1") = "9"
    & skf18("10","7","7","1","10","1","1") = "9"
    & skf18("10","7","7","1","10","2","1") = "9"
    & skf18("10","7","7","1","10","3","1") = "9"
    & skf18("10","7","7","1","10","4","1") = "9"
    & skf18("10","7","7","1","10","5","1") = "9"
    & skf18("10","7","7","1","10","6","1") = "9"
    & skf18("10","7","7","1","10","7","1") = "9"
    & skf18("10","7","7","1","10","8","1") = "9"
    & skf18("10","7","7","1","10","9","1") = "9"
    & skf18("10","7","7","1","10","10","1") = "9"
    & skf18("10","7","7","2","1","1","1") = "9"
    & skf18("10","7","7","2","1","2","1") = "9"
    & skf18("10","7","7","2","1","3","1") = "9"
    & skf18("10","7","7","2","1","4","1") = "9"
    & skf18("10","7","7","2","1","5","1") = "9"
    & skf18("10","7","7","2","1","6","1") = "9"
    & skf18("10","7","7","2","1","7","1") = "9"
    & skf18("10","7","7","2","1","8","1") = "9"
    & skf18("10","7","7","2","1","9","1") = "9"
    & skf18("10","7","7","2","1","10","1") = "9"
    & skf18("10","7","7","2","2","1","1") = "9"
    & skf18("10","7","7","2","2","2","1") = "9"
    & skf18("10","7","7","2","2","3","1") = "9"
    & skf18("10","7","7","2","2","4","1") = "9"
    & skf18("10","7","7","2","2","5","1") = "9"
    & skf18("10","7","7","2","2","6","1") = "9"
    & skf18("10","7","7","2","2","7","1") = "9"
    & skf18("10","7","7","2","2","8","1") = "9"
    & skf18("10","7","7","2","2","9","1") = "9"
    & skf18("10","7","7","2","2","10","1") = "9"
    & skf18("10","7","7","2","3","1","1") = "9"
    & skf18("10","7","7","2","3","2","1") = "9"
    & skf18("10","7","7","2","3","3","1") = "9"
    & skf18("10","7","7","2","3","4","1") = "9"
    & skf18("10","7","7","2","3","5","1") = "9"
    & skf18("10","7","7","2","3","6","1") = "9"
    & skf18("10","7","7","2","3","7","1") = "9"
    & skf18("10","7","7","2","3","8","1") = "9"
    & skf18("10","7","7","2","3","9","1") = "9"
    & skf18("10","7","7","2","3","10","1") = "9"
    & skf18("10","7","7","2","4","1","1") = "9"
    & skf18("10","7","7","2","4","2","1") = "9"
    & skf18("10","7","7","2","4","3","1") = "9"
    & skf18("10","7","7","2","4","4","1") = "9"
    & skf18("10","7","7","2","4","5","1") = "9"
    & skf18("10","7","7","2","4","6","1") = "9"
    & skf18("10","7","7","2","4","7","1") = "9"
    & skf18("10","7","7","2","4","8","1") = "9"
    & skf18("10","7","7","2","4","9","1") = "9"
    & skf18("10","7","7","2","4","10","1") = "9"
    & skf18("10","7","7","2","5","1","1") = "9"
    & skf18("10","7","7","2","5","2","1") = "9"
    & skf18("10","7","7","2","5","3","1") = "9"
    & skf18("10","7","7","2","5","4","1") = "9"
    & skf18("10","7","7","2","5","5","1") = "9"
    & skf18("10","7","7","2","5","6","1") = "9"
    & skf18("10","7","7","2","5","7","1") = "9"
    & skf18("10","7","7","2","5","8","1") = "9"
    & skf18("10","7","7","2","5","9","1") = "9"
    & skf18("10","7","7","2","5","10","1") = "9"
    & skf18("10","7","7","2","6","1","1") = "9"
    & skf18("10","7","7","2","6","2","1") = "9"
    & skf18("10","7","7","2","6","3","1") = "9"
    & skf18("10","7","7","2","6","4","1") = "9"
    & skf18("10","7","7","2","6","5","1") = "9"
    & skf18("10","7","7","2","6","6","1") = "9"
    & skf18("10","7","7","2","6","7","1") = "9"
    & skf18("10","7","7","2","6","8","1") = "9"
    & skf18("10","7","7","2","6","9","1") = "9"
    & skf18("10","7","7","2","6","10","1") = "9"
    & skf18("10","7","7","2","7","1","1") = "9"
    & skf18("10","7","7","2","7","2","1") = "9"
    & skf18("10","7","7","2","7","3","1") = "9"
    & skf18("10","7","7","2","7","4","1") = "9"
    & skf18("10","7","7","2","7","5","1") = "9"
    & skf18("10","7","7","2","7","6","1") = "9"
    & skf18("10","7","7","2","7","7","1") = "9"
    & skf18("10","7","7","2","7","8","1") = "9"
    & skf18("10","7","7","2","7","9","1") = "9"
    & skf18("10","7","7","2","7","10","1") = "9"
    & skf18("10","7","7","2","8","1","1") = "9"
    & skf18("10","7","7","2","8","2","1") = "9"
    & skf18("10","7","7","2","8","3","1") = "9"
    & skf18("10","7","7","2","8","4","1") = "9"
    & skf18("10","7","7","2","8","5","1") = "9"
    & skf18("10","7","7","2","8","6","1") = "9"
    & skf18("10","7","7","2","8","7","1") = "9"
    & skf18("10","7","7","2","8","8","1") = "9"
    & skf18("10","7","7","2","8","9","1") = "9"
    & skf18("10","7","7","2","8","10","1") = "9"
    & skf18("10","7","7","2","9","1","1") = "9"
    & skf18("10","7","7","2","9","2","1") = "9"
    & skf18("10","7","7","2","9","3","1") = "9"
    & skf18("10","7","7","2","9","4","1") = "9"
    & skf18("10","7","7","2","9","5","1") = "9"
    & skf18("10","7","7","2","9","6","1") = "9"
    & skf18("10","7","7","2","9","7","1") = "9"
    & skf18("10","7","7","2","9","8","1") = "9"
    & skf18("10","7","7","2","9","9","1") = "9"
    & skf18("10","7","7","2","9","10","1") = "9"
    & skf18("10","7","7","2","10","1","1") = "9"
    & skf18("10","7","7","2","10","2","1") = "9"
    & skf18("10","7","7","2","10","3","1") = "9"
    & skf18("10","7","7","2","10","4","1") = "9"
    & skf18("10","7","7","2","10","5","1") = "9"
    & skf18("10","7","7","2","10","6","1") = "9"
    & skf18("10","7","7","2","10","7","1") = "9"
    & skf18("10","7","7","2","10","8","1") = "9"
    & skf18("10","7","7","2","10","9","1") = "9"
    & skf18("10","7","7","2","10","10","1") = "9"
    & skf18("10","7","7","3","1","1","1") = "9"
    & skf18("10","7","7","3","1","2","1") = "9"
    & skf18("10","7","7","3","1","3","1") = "9"
    & skf18("10","7","7","3","1","4","1") = "9"
    & skf18("10","7","7","3","1","5","1") = "9"
    & skf18("10","7","7","3","1","6","1") = "9"
    & skf18("10","7","7","3","1","7","1") = "9"
    & skf18("10","7","7","3","1","8","1") = "9"
    & skf18("10","7","7","3","1","9","1") = "9"
    & skf18("10","7","7","3","1","10","1") = "9"
    & skf18("10","7","7","3","2","1","1") = "9"
    & skf18("10","7","7","3","2","2","1") = "9"
    & skf18("10","7","7","3","2","3","1") = "9"
    & skf18("10","7","7","3","2","4","1") = "9"
    & skf18("10","7","7","3","2","5","1") = "9"
    & skf18("10","7","7","3","2","6","1") = "9"
    & skf18("10","7","7","3","2","7","1") = "9"
    & skf18("10","7","7","3","2","8","1") = "9"
    & skf18("10","7","7","3","2","9","1") = "9"
    & skf18("10","7","7","3","2","10","1") = "9"
    & skf18("10","7","7","3","3","1","1") = "9"
    & skf18("10","7","7","3","3","2","1") = "9"
    & skf18("10","7","7","3","3","3","1") = "9"
    & skf18("10","7","7","3","3","4","1") = "9"
    & skf18("10","7","7","3","3","5","1") = "9"
    & skf18("10","7","7","3","3","6","1") = "9"
    & skf18("10","7","7","3","3","7","1") = "9"
    & skf18("10","7","7","3","3","8","1") = "9"
    & skf18("10","7","7","3","3","9","1") = "9"
    & skf18("10","7","7","3","3","10","1") = "9"
    & skf18("10","7","7","3","4","1","1") = "9"
    & skf18("10","7","7","3","4","2","1") = "9"
    & skf18("10","7","7","3","4","3","1") = "9"
    & skf18("10","7","7","3","4","4","1") = "9"
    & skf18("10","7","7","3","4","5","1") = "9"
    & skf18("10","7","7","3","4","6","1") = "9"
    & skf18("10","7","7","3","4","7","1") = "9"
    & skf18("10","7","7","3","4","8","1") = "9"
    & skf18("10","7","7","3","4","9","1") = "9"
    & skf18("10","7","7","3","4","10","1") = "9"
    & skf18("10","7","7","3","5","1","1") = "9"
    & skf18("10","7","7","3","5","2","1") = "9"
    & skf18("10","7","7","3","5","3","1") = "9"
    & skf18("10","7","7","3","5","4","1") = "9"
    & skf18("10","7","7","3","5","5","1") = "9"
    & skf18("10","7","7","3","5","6","1") = "9"
    & skf18("10","7","7","3","5","7","1") = "9"
    & skf18("10","7","7","3","5","8","1") = "9"
    & skf18("10","7","7","3","5","9","1") = "9"
    & skf18("10","7","7","3","5","10","1") = "9"
    & skf18("10","7","7","3","6","1","1") = "9"
    & skf18("10","7","7","3","6","2","1") = "9"
    & skf18("10","7","7","3","6","3","1") = "9"
    & skf18("10","7","7","3","6","4","1") = "9"
    & skf18("10","7","7","3","6","5","1") = "9"
    & skf18("10","7","7","3","6","6","1") = "9"
    & skf18("10","7","7","3","6","7","1") = "9"
    & skf18("10","7","7","3","6","8","1") = "9"
    & skf18("10","7","7","3","6","9","1") = "9"
    & skf18("10","7","7","3","6","10","1") = "9"
    & skf18("10","7","7","3","7","1","1") = "9"
    & skf18("10","7","7","3","7","2","1") = "9"
    & skf18("10","7","7","3","7","3","1") = "9"
    & skf18("10","7","7","3","7","4","1") = "9"
    & skf18("10","7","7","3","7","5","1") = "9"
    & skf18("10","7","7","3","7","6","1") = "9"
    & skf18("10","7","7","3","7","7","1") = "9"
    & skf18("10","7","7","3","7","8","1") = "9"
    & skf18("10","7","7","3","7","9","1") = "9"
    & skf18("10","7","7","3","7","10","1") = "9"
    & skf18("10","7","7","3","8","1","1") = "9"
    & skf18("10","7","7","3","8","2","1") = "9"
    & skf18("10","7","7","3","8","3","1") = "9"
    & skf18("10","7","7","3","8","4","1") = "9"
    & skf18("10","7","7","3","8","5","1") = "9"
    & skf18("10","7","7","3","8","6","1") = "9"
    & skf18("10","7","7","3","8","7","1") = "9"
    & skf18("10","7","7","3","8","8","1") = "9"
    & skf18("10","7","7","3","8","9","1") = "9"
    & skf18("10","7","7","3","8","10","1") = "9"
    & skf18("10","7","7","3","9","1","1") = "9"
    & skf18("10","7","7","3","9","2","1") = "9"
    & skf18("10","7","7","3","9","3","1") = "9"
    & skf18("10","7","7","3","9","4","1") = "9"
    & skf18("10","7","7","3","9","5","1") = "9"
    & skf18("10","7","7","3","9","6","1") = "9"
    & skf18("10","7","7","3","9","7","1") = "9"
    & skf18("10","7","7","3","9","8","1") = "9"
    & skf18("10","7","7","3","9","9","1") = "9"
    & skf18("10","7","7","3","9","10","1") = "9"
    & skf18("10","7","7","3","10","1","1") = "9"
    & skf18("10","7","7","3","10","2","1") = "9"
    & skf18("10","7","7","3","10","3","1") = "9"
    & skf18("10","7","7","3","10","4","1") = "9"
    & skf18("10","7","7","3","10","5","1") = "9"
    & skf18("10","7","7","3","10","6","1") = "9"
    & skf18("10","7","7","3","10","7","1") = "9"
    & skf18("10","7","7","3","10","8","1") = "9"
    & skf18("10","7","7","3","10","9","1") = "9"
    & skf18("10","7","7","3","10","10","1") = "9"
    & skf18("10","7","7","4","1","1","1") = "9"
    & skf18("10","7","7","4","1","2","1") = "9"
    & skf18("10","7","7","4","1","3","1") = "9"
    & skf18("10","7","7","4","1","4","1") = "9"
    & skf18("10","7","7","4","1","5","1") = "9"
    & skf18("10","7","7","4","1","6","1") = "9"
    & skf18("10","7","7","4","1","7","1") = "9"
    & skf18("10","7","7","4","1","8","1") = "9"
    & skf18("10","7","7","4","1","9","1") = "9"
    & skf18("10","7","7","4","1","10","1") = "9"
    & skf18("10","7","7","4","2","1","1") = "9"
    & skf18("10","7","7","4","2","2","1") = "9"
    & skf18("10","7","7","4","2","3","1") = "9"
    & skf18("10","7","7","4","2","4","1") = "9"
    & skf18("10","7","7","4","2","5","1") = "9"
    & skf18("10","7","7","4","2","6","1") = "9"
    & skf18("10","7","7","4","2","7","1") = "9"
    & skf18("10","7","7","4","2","8","1") = "9"
    & skf18("10","7","7","4","2","9","1") = "9"
    & skf18("10","7","7","4","2","10","1") = "9"
    & skf18("10","7","7","4","3","1","1") = "9"
    & skf18("10","7","7","4","3","2","1") = "9"
    & skf18("10","7","7","4","3","3","1") = "9"
    & skf18("10","7","7","4","3","4","1") = "9"
    & skf18("10","7","7","4","3","5","1") = "9"
    & skf18("10","7","7","4","3","6","1") = "9"
    & skf18("10","7","7","4","3","7","1") = "9"
    & skf18("10","7","7","4","3","8","1") = "9"
    & skf18("10","7","7","4","3","9","1") = "9"
    & skf18("10","7","7","4","3","10","1") = "9"
    & skf18("10","7","7","4","4","1","1") = "9"
    & skf18("10","7","7","4","4","2","1") = "9"
    & skf18("10","7","7","4","4","3","1") = "9"
    & skf18("10","7","7","4","4","4","1") = "9"
    & skf18("10","7","7","4","4","5","1") = "9"
    & skf18("10","7","7","4","4","6","1") = "9"
    & skf18("10","7","7","4","4","7","1") = "9"
    & skf18("10","7","7","4","4","8","1") = "9"
    & skf18("10","7","7","4","4","9","1") = "9"
    & skf18("10","7","7","4","4","10","1") = "9"
    & skf18("10","7","7","4","5","1","1") = "9"
    & skf18("10","7","7","4","5","2","1") = "9"
    & skf18("10","7","7","4","5","3","1") = "9"
    & skf18("10","7","7","4","5","4","1") = "9"
    & skf18("10","7","7","4","5","5","1") = "9"
    & skf18("10","7","7","4","5","6","1") = "9"
    & skf18("10","7","7","4","5","7","1") = "9"
    & skf18("10","7","7","4","5","8","1") = "9"
    & skf18("10","7","7","4","5","9","1") = "9"
    & skf18("10","7","7","4","5","10","1") = "9"
    & skf18("10","7","7","4","6","1","1") = "9"
    & skf18("10","7","7","4","6","2","1") = "9"
    & skf18("10","7","7","4","6","3","1") = "9"
    & skf18("10","7","7","4","6","4","1") = "9"
    & skf18("10","7","7","4","6","5","1") = "9"
    & skf18("10","7","7","4","6","6","1") = "9"
    & skf18("10","7","7","4","6","7","1") = "9"
    & skf18("10","7","7","4","6","8","1") = "9"
    & skf18("10","7","7","4","6","9","1") = "9"
    & skf18("10","7","7","4","6","10","1") = "9"
    & skf18("10","7","7","4","7","1","1") = "9"
    & skf18("10","7","7","4","7","2","1") = "9"
    & skf18("10","7","7","4","7","3","1") = "9"
    & skf18("10","7","7","4","7","4","1") = "9"
    & skf18("10","7","7","4","7","5","1") = "9"
    & skf18("10","7","7","4","7","6","1") = "9"
    & skf18("10","7","7","4","7","7","1") = "9"
    & skf18("10","7","7","4","7","8","1") = "9"
    & skf18("10","7","7","4","7","9","1") = "9"
    & skf18("10","7","7","4","7","10","1") = "9"
    & skf18("10","7","7","4","8","1","1") = "9"
    & skf18("10","7","7","4","8","2","1") = "9"
    & skf18("10","7","7","4","8","3","1") = "9"
    & skf18("10","7","7","4","8","4","1") = "9"
    & skf18("10","7","7","4","8","5","1") = "9"
    & skf18("10","7","7","4","8","6","1") = "9"
    & skf18("10","7","7","4","8","7","1") = "9"
    & skf18("10","7","7","4","8","8","1") = "9"
    & skf18("10","7","7","4","8","9","1") = "9"
    & skf18("10","7","7","4","8","10","1") = "9"
    & skf18("10","7","7","4","9","1","1") = "9"
    & skf18("10","7","7","4","9","2","1") = "9"
    & skf18("10","7","7","4","9","3","1") = "9"
    & skf18("10","7","7","4","9","4","1") = "9"
    & skf18("10","7","7","4","9","5","1") = "9"
    & skf18("10","7","7","4","9","6","1") = "9"
    & skf18("10","7","7","4","9","7","1") = "9"
    & skf18("10","7","7","4","9","8","1") = "9"
    & skf18("10","7","7","4","9","9","1") = "9"
    & skf18("10","7","7","4","9","10","1") = "9"
    & skf18("10","7","7","4","10","1","1") = "9"
    & skf18("10","7","7","4","10","2","1") = "9"
    & skf18("10","7","7","4","10","3","1") = "9"
    & skf18("10","7","7","4","10","4","1") = "9"
    & skf18("10","7","7","4","10","5","1") = "9"
    & skf18("10","7","7","4","10","6","1") = "9"
    & skf18("10","7","7","4","10","7","1") = "9"
    & skf18("10","7","7","4","10","8","1") = "9"
    & skf18("10","7","7","4","10","9","1") = "9"
    & skf18("10","7","7","4","10","10","1") = "9"
    & skf18("10","7","7","5","1","1","1") = "9"
    & skf18("10","7","7","5","1","2","1") = "9"
    & skf18("10","7","7","5","1","3","1") = "9"
    & skf18("10","7","7","5","1","4","1") = "9"
    & skf18("10","7","7","5","1","5","1") = "9"
    & skf18("10","7","7","5","1","6","1") = "9"
    & skf18("10","7","7","5","1","7","1") = "9"
    & skf18("10","7","7","5","1","8","1") = "9"
    & skf18("10","7","7","5","1","9","1") = "9"
    & skf18("10","7","7","5","1","10","1") = "9"
    & skf18("10","7","7","5","2","1","1") = "9"
    & skf18("10","7","7","5","2","2","1") = "9"
    & skf18("10","7","7","5","2","3","1") = "9"
    & skf18("10","7","7","5","2","4","1") = "9"
    & skf18("10","7","7","5","2","5","1") = "9"
    & skf18("10","7","7","5","2","6","1") = "9"
    & skf18("10","7","7","5","2","7","1") = "9"
    & skf18("10","7","7","5","2","8","1") = "9"
    & skf18("10","7","7","5","2","9","1") = "9"
    & skf18("10","7","7","5","2","10","1") = "9"
    & skf18("10","7","7","5","3","1","1") = "9"
    & skf18("10","7","7","5","3","2","1") = "9"
    & skf18("10","7","7","5","3","3","1") = "9"
    & skf18("10","7","7","5","3","4","1") = "9"
    & skf18("10","7","7","5","3","5","1") = "9"
    & skf18("10","7","7","5","3","6","1") = "9"
    & skf18("10","7","7","5","3","7","1") = "9"
    & skf18("10","7","7","5","3","8","1") = "9"
    & skf18("10","7","7","5","3","9","1") = "9"
    & skf18("10","7","7","5","3","10","1") = "9"
    & skf18("10","7","7","5","4","1","1") = "9"
    & skf18("10","7","7","5","4","2","1") = "9"
    & skf18("10","7","7","5","4","3","1") = "9"
    & skf18("10","7","7","5","4","4","1") = "9"
    & skf18("10","7","7","5","4","5","1") = "9"
    & skf18("10","7","7","5","4","6","1") = "9"
    & skf18("10","7","7","5","4","7","1") = "9"
    & skf18("10","7","7","5","4","8","1") = "9"
    & skf18("10","7","7","5","4","9","1") = "9"
    & skf18("10","7","7","5","4","10","1") = "9"
    & skf18("10","7","7","5","5","1","1") = "9"
    & skf18("10","7","7","5","5","2","1") = "9"
    & skf18("10","7","7","5","5","3","1") = "9"
    & skf18("10","7","7","5","5","4","1") = "9"
    & skf18("10","7","7","5","5","5","1") = "9"
    & skf18("10","7","7","5","5","6","1") = "9"
    & skf18("10","7","7","5","5","7","1") = "9"
    & skf18("10","7","7","5","5","8","1") = "9"
    & skf18("10","7","7","5","5","9","1") = "9"
    & skf18("10","7","7","5","5","10","1") = "9"
    & skf18("10","7","7","5","6","1","1") = "9"
    & skf18("10","7","7","5","6","2","1") = "9"
    & skf18("10","7","7","5","6","3","1") = "9"
    & skf18("10","7","7","5","6","4","1") = "9"
    & skf18("10","7","7","5","6","5","1") = "9"
    & skf18("10","7","7","5","6","6","1") = "9"
    & skf18("10","7","7","5","6","7","1") = "9"
    & skf18("10","7","7","5","6","8","1") = "9"
    & skf18("10","7","7","5","6","9","1") = "9"
    & skf18("10","7","7","5","6","10","1") = "9"
    & skf18("10","7","7","5","7","1","1") = "9"
    & skf18("10","7","7","5","7","2","1") = "9"
    & skf18("10","7","7","5","7","3","1") = "9"
    & skf18("10","7","7","5","7","4","1") = "9"
    & skf18("10","7","7","5","7","5","1") = "9"
    & skf18("10","7","7","5","7","6","1") = "9"
    & skf18("10","7","7","5","7","7","1") = "9"
    & skf18("10","7","7","5","7","8","1") = "9"
    & skf18("10","7","7","5","7","9","1") = "9"
    & skf18("10","7","7","5","7","10","1") = "9"
    & skf18("10","7","7","5","8","1","1") = "9"
    & skf18("10","7","7","5","8","2","1") = "9"
    & skf18("10","7","7","5","8","3","1") = "9"
    & skf18("10","7","7","5","8","4","1") = "9"
    & skf18("10","7","7","5","8","5","1") = "9"
    & skf18("10","7","7","5","8","6","1") = "9"
    & skf18("10","7","7","5","8","7","1") = "9"
    & skf18("10","7","7","5","8","8","1") = "9"
    & skf18("10","7","7","5","8","9","1") = "9"
    & skf18("10","7","7","5","8","10","1") = "9"
    & skf18("10","7","7","5","9","1","1") = "9"
    & skf18("10","7","7","5","9","2","1") = "9"
    & skf18("10","7","7","5","9","3","1") = "9"
    & skf18("10","7","7","5","9","4","1") = "9"
    & skf18("10","7","7","5","9","5","1") = "9"
    & skf18("10","7","7","5","9","6","1") = "9"
    & skf18("10","7","7","5","9","7","1") = "9"
    & skf18("10","7","7","5","9","8","1") = "9"
    & skf18("10","7","7","5","9","9","1") = "9"
    & skf18("10","7","7","5","9","10","1") = "9"
    & skf18("10","7","7","5","10","1","1") = "9"
    & skf18("10","7","7","5","10","2","1") = "9"
    & skf18("10","7","7","5","10","3","1") = "9"
    & skf18("10","7","7","5","10","4","1") = "9"
    & skf18("10","7","7","5","10","5","1") = "9"
    & skf18("10","7","7","5","10","6","1") = "9"
    & skf18("10","7","7","5","10","7","1") = "9"
    & skf18("10","7","7","5","10","8","1") = "9"
    & skf18("10","7","7","5","10","9","1") = "9"
    & skf18("10","7","7","5","10","10","1") = "9"
    & skf18("10","7","7","6","1","1","1") = "9"
    & skf18("10","7","7","6","1","2","1") = "9"
    & skf18("10","7","7","6","1","3","1") = "9"
    & skf18("10","7","7","6","1","4","1") = "9"
    & skf18("10","7","7","6","1","5","1") = "9"
    & skf18("10","7","7","6","1","6","1") = "9"
    & skf18("10","7","7","6","1","7","1") = "9"
    & skf18("10","7","7","6","1","8","1") = "9"
    & skf18("10","7","7","6","1","9","1") = "9"
    & skf18("10","7","7","6","1","10","1") = "9"
    & skf18("10","7","7","6","2","1","1") = "9"
    & skf18("10","7","7","6","2","2","1") = "9"
    & skf18("10","7","7","6","2","3","1") = "9"
    & skf18("10","7","7","6","2","4","1") = "9"
    & skf18("10","7","7","6","2","5","1") = "9"
    & skf18("10","7","7","6","2","6","1") = "9"
    & skf18("10","7","7","6","2","7","1") = "9"
    & skf18("10","7","7","6","2","8","1") = "9"
    & skf18("10","7","7","6","2","9","1") = "9"
    & skf18("10","7","7","6","2","10","1") = "9"
    & skf18("10","7","7","6","3","1","1") = "9"
    & skf18("10","7","7","6","3","2","1") = "9"
    & skf18("10","7","7","6","3","3","1") = "9"
    & skf18("10","7","7","6","3","4","1") = "9"
    & skf18("10","7","7","6","3","5","1") = "9"
    & skf18("10","7","7","6","3","6","1") = "9"
    & skf18("10","7","7","6","3","7","1") = "9"
    & skf18("10","7","7","6","3","8","1") = "9"
    & skf18("10","7","7","6","3","9","1") = "9"
    & skf18("10","7","7","6","3","10","1") = "9"
    & skf18("10","7","7","6","4","1","1") = "9"
    & skf18("10","7","7","6","4","2","1") = "9"
    & skf18("10","7","7","6","4","3","1") = "9"
    & skf18("10","7","7","6","4","4","1") = "9"
    & skf18("10","7","7","6","4","5","1") = "9"
    & skf18("10","7","7","6","4","6","1") = "9"
    & skf18("10","7","7","6","4","7","1") = "9"
    & skf18("10","7","7","6","4","8","1") = "9"
    & skf18("10","7","7","6","4","9","1") = "9"
    & skf18("10","7","7","6","4","10","1") = "9"
    & skf18("10","7","7","6","5","1","1") = "9"
    & skf18("10","7","7","6","5","2","1") = "9"
    & skf18("10","7","7","6","5","3","1") = "9"
    & skf18("10","7","7","6","5","4","1") = "9"
    & skf18("10","7","7","6","5","5","1") = "9"
    & skf18("10","7","7","6","5","6","1") = "9"
    & skf18("10","7","7","6","5","7","1") = "9"
    & skf18("10","7","7","6","5","8","1") = "9"
    & skf18("10","7","7","6","5","9","1") = "9"
    & skf18("10","7","7","6","5","10","1") = "9"
    & skf18("10","7","7","6","6","1","1") = "9"
    & skf18("10","7","7","6","6","2","1") = "9"
    & skf18("10","7","7","6","6","3","1") = "9"
    & skf18("10","7","7","6","6","4","1") = "9"
    & skf18("10","7","7","6","6","5","1") = "9"
    & skf18("10","7","7","6","6","6","1") = "9"
    & skf18("10","7","7","6","6","7","1") = "9"
    & skf18("10","7","7","6","6","8","1") = "9"
    & skf18("10","7","7","6","6","9","1") = "9"
    & skf18("10","7","7","6","6","10","1") = "9"
    & skf18("10","7","7","6","7","1","1") = "9"
    & skf18("10","7","7","6","7","2","1") = "9"
    & skf18("10","7","7","6","7","3","1") = "9"
    & skf18("10","7","7","6","7","4","1") = "9"
    & skf18("10","7","7","6","7","5","1") = "9"
    & skf18("10","7","7","6","7","6","1") = "9"
    & skf18("10","7","7","6","7","7","1") = "9"
    & skf18("10","7","7","6","7","8","1") = "9"
    & skf18("10","7","7","6","7","9","1") = "9"
    & skf18("10","7","7","6","7","10","1") = "9"
    & skf18("10","7","7","6","8","1","1") = "9"
    & skf18("10","7","7","6","8","2","1") = "9"
    & skf18("10","7","7","6","8","3","1") = "9"
    & skf18("10","7","7","6","8","4","1") = "9"
    & skf18("10","7","7","6","8","5","1") = "9"
    & skf18("10","7","7","6","8","6","1") = "9"
    & skf18("10","7","7","6","8","7","1") = "9"
    & skf18("10","7","7","6","8","8","1") = "9"
    & skf18("10","7","7","6","8","9","1") = "9"
    & skf18("10","7","7","6","8","10","1") = "9"
    & skf18("10","7","7","6","9","1","1") = "9"
    & skf18("10","7","7","6","9","2","1") = "9"
    & skf18("10","7","7","6","9","3","1") = "9"
    & skf18("10","7","7","6","9","4","1") = "9"
    & skf18("10","7","7","6","9","5","1") = "9"
    & skf18("10","7","7","6","9","6","1") = "9"
    & skf18("10","7","7","6","9","7","1") = "9"
    & skf18("10","7","7","6","9","8","1") = "9"
    & skf18("10","7","7","6","9","9","1") = "9"
    & skf18("10","7","7","6","9","10","1") = "9"
    & skf18("10","7","7","6","10","1","1") = "9"
    & skf18("10","7","7","6","10","2","1") = "9"
    & skf18("10","7","7","6","10","3","1") = "9"
    & skf18("10","7","7","6","10","4","1") = "9"
    & skf18("10","7","7","6","10","5","1") = "9"
    & skf18("10","7","7","6","10","6","1") = "9"
    & skf18("10","7","7","6","10","7","1") = "9"
    & skf18("10","7","7","6","10","8","1") = "9"
    & skf18("10","7","7","6","10","9","1") = "9"
    & skf18("10","7","7","6","10","10","1") = "9"
    & skf18("10","7","7","7","1","1","1") = "9"
    & skf18("10","7","7","7","1","2","1") = "9"
    & skf18("10","7","7","7","1","3","1") = "9"
    & skf18("10","7","7","7","1","4","1") = "9"
    & skf18("10","7","7","7","1","5","1") = "9"
    & skf18("10","7","7","7","1","6","1") = "9"
    & skf18("10","7","7","7","1","7","1") = "9"
    & skf18("10","7","7","7","1","8","1") = "9"
    & skf18("10","7","7","7","1","9","1") = "9"
    & skf18("10","7","7","7","1","10","1") = "9"
    & skf18("10","7","7","7","2","1","1") = "9"
    & skf18("10","7","7","7","2","2","1") = "9"
    & skf18("10","7","7","7","2","3","1") = "9"
    & skf18("10","7","7","7","2","4","1") = "9"
    & skf18("10","7","7","7","2","5","1") = "9"
    & skf18("10","7","7","7","2","6","1") = "9"
    & skf18("10","7","7","7","2","7","1") = "9"
    & skf18("10","7","7","7","2","8","1") = "9"
    & skf18("10","7","7","7","2","9","1") = "9"
    & skf18("10","7","7","7","2","10","1") = "9"
    & skf18("10","7","7","7","3","1","1") = "9"
    & skf18("10","7","7","7","3","2","1") = "9"
    & skf18("10","7","7","7","3","3","1") = "9"
    & skf18("10","7","7","7","3","4","1") = "9"
    & skf18("10","7","7","7","3","5","1") = "9"
    & skf18("10","7","7","7","3","6","1") = "9"
    & skf18("10","7","7","7","3","7","1") = "9"
    & skf18("10","7","7","7","3","8","1") = "9"
    & skf18("10","7","7","7","3","9","1") = "9"
    & skf18("10","7","7","7","3","10","1") = "9"
    & skf18("10","7","7","7","4","1","1") = "9"
    & skf18("10","7","7","7","4","2","1") = "9"
    & skf18("10","7","7","7","4","3","1") = "9"
    & skf18("10","7","7","7","4","4","1") = "9"
    & skf18("10","7","7","7","4","5","1") = "9"
    & skf18("10","7","7","7","4","6","1") = "9"
    & skf18("10","7","7","7","4","7","1") = "9"
    & skf18("10","7","7","7","4","8","1") = "9"
    & skf18("10","7","7","7","4","9","1") = "9"
    & skf18("10","7","7","7","4","10","1") = "9"
    & skf18("10","7","7","7","5","1","1") = "9"
    & skf18("10","7","7","7","5","2","1") = "9"
    & skf18("10","7","7","7","5","3","1") = "9"
    & skf18("10","7","7","7","5","4","1") = "9"
    & skf18("10","7","7","7","5","5","1") = "9"
    & skf18("10","7","7","7","5","6","1") = "9"
    & skf18("10","7","7","7","5","7","1") = "9"
    & skf18("10","7","7","7","5","8","1") = "9"
    & skf18("10","7","7","7","5","9","1") = "9"
    & skf18("10","7","7","7","5","10","1") = "9"
    & skf18("10","7","7","7","6","1","1") = "9"
    & skf18("10","7","7","7","6","2","1") = "9"
    & skf18("10","7","7","7","6","3","1") = "9"
    & skf18("10","7","7","7","6","4","1") = "9"
    & skf18("10","7","7","7","6","5","1") = "9"
    & skf18("10","7","7","7","6","6","1") = "9"
    & skf18("10","7","7","7","6","7","1") = "9"
    & skf18("10","7","7","7","6","8","1") = "9"
    & skf18("10","7","7","7","6","9","1") = "9"
    & skf18("10","7","7","7","6","10","1") = "9"
    & skf18("10","7","7","7","7","1","1") = "9"
    & skf18("10","7","7","7","7","2","1") = "9"
    & skf18("10","7","7","7","7","3","1") = "9"
    & skf18("10","7","7","7","7","4","1") = "9"
    & skf18("10","7","7","7","7","5","1") = "9"
    & skf18("10","7","7","7","7","6","1") = "9"
    & skf18("10","7","7","7","7","7","1") = "9"
    & skf18("10","7","7","7","7","8","1") = "9"
    & skf18("10","7","7","7","7","9","1") = "9"
    & skf18("10","7","7","7","7","10","1") = "9"
    & skf18("10","7","7","7","8","1","1") = "9"
    & skf18("10","7","7","7","8","2","1") = "9"
    & skf18("10","7","7","7","8","3","1") = "9"
    & skf18("10","7","7","7","8","4","1") = "9"
    & skf18("10","7","7","7","8","5","1") = "9"
    & skf18("10","7","7","7","8","6","1") = "9"
    & skf18("10","7","7","7","8","7","1") = "9"
    & skf18("10","7","7","7","8","8","1") = "9"
    & skf18("10","7","7","7","8","9","1") = "9"
    & skf18("10","7","7","7","8","10","1") = "9"
    & skf18("10","7","7","7","9","1","1") = "9"
    & skf18("10","7","7","7","9","2","1") = "9"
    & skf18("10","7","7","7","9","3","1") = "9"
    & skf18("10","7","7","7","9","4","1") = "9"
    & skf18("10","7","7","7","9","5","1") = "9"
    & skf18("10","7","7","7","9","6","1") = "9"
    & skf18("10","7","7","7","9","7","1") = "9"
    & skf18("10","7","7","7","9","8","1") = "9"
    & skf18("10","7","7","7","9","9","1") = "9"
    & skf18("10","7","7","7","9","10","1") = "9"
    & skf18("10","7","7","7","10","1","1") = "9"
    & skf18("10","7","7","7","10","2","1") = "9"
    & skf18("10","7","7","7","10","3","1") = "9"
    & skf18("10","7","7","7","10","4","1") = "9"
    & skf18("10","7","7","7","10","5","1") = "9"
    & skf18("10","7","7","7","10","6","1") = "9"
    & skf18("10","7","7","7","10","7","1") = "9"
    & skf18("10","7","7","7","10","8","1") = "9"
    & skf18("10","7","7","7","10","9","1") = "9"
    & skf18("10","7","7","7","10","10","1") = "9"
    & skf18("10","7","7","8","1","1","1") = "9"
    & skf18("10","7","7","8","1","2","1") = "9"
    & skf18("10","7","7","8","1","3","1") = "9"
    & skf18("10","7","7","8","1","4","1") = "9"
    & skf18("10","7","7","8","1","5","1") = "9"
    & skf18("10","7","7","8","1","6","1") = "9"
    & skf18("10","7","7","8","1","7","1") = "9"
    & skf18("10","7","7","8","1","8","1") = "9"
    & skf18("10","7","7","8","1","9","1") = "9"
    & skf18("10","7","7","8","1","10","1") = "9"
    & skf18("10","7","7","8","2","1","1") = "9"
    & skf18("10","7","7","8","2","2","1") = "9"
    & skf18("10","7","7","8","2","3","1") = "9"
    & skf18("10","7","7","8","2","4","1") = "9"
    & skf18("10","7","7","8","2","5","1") = "9"
    & skf18("10","7","7","8","2","6","1") = "9"
    & skf18("10","7","7","8","2","7","1") = "9"
    & skf18("10","7","7","8","2","8","1") = "9"
    & skf18("10","7","7","8","2","9","1") = "9"
    & skf18("10","7","7","8","2","10","1") = "9"
    & skf18("10","7","7","8","3","1","1") = "9"
    & skf18("10","7","7","8","3","2","1") = "9"
    & skf18("10","7","7","8","3","3","1") = "9"
    & skf18("10","7","7","8","3","4","1") = "9"
    & skf18("10","7","7","8","3","5","1") = "9"
    & skf18("10","7","7","8","3","6","1") = "9"
    & skf18("10","7","7","8","3","7","1") = "9"
    & skf18("10","7","7","8","3","8","1") = "9"
    & skf18("10","7","7","8","3","9","1") = "9"
    & skf18("10","7","7","8","3","10","1") = "9"
    & skf18("10","7","7","8","4","1","1") = "9"
    & skf18("10","7","7","8","4","2","1") = "9"
    & skf18("10","7","7","8","4","3","1") = "9"
    & skf18("10","7","7","8","4","4","1") = "9"
    & skf18("10","7","7","8","4","5","1") = "9"
    & skf18("10","7","7","8","4","6","1") = "9"
    & skf18("10","7","7","8","4","7","1") = "9"
    & skf18("10","7","7","8","4","8","1") = "9"
    & skf18("10","7","7","8","4","9","1") = "9"
    & skf18("10","7","7","8","4","10","1") = "9"
    & skf18("10","7","7","8","5","1","1") = "9"
    & skf18("10","7","7","8","5","2","1") = "9"
    & skf18("10","7","7","8","5","3","1") = "9"
    & skf18("10","7","7","8","5","4","1") = "9"
    & skf18("10","7","7","8","5","5","1") = "9"
    & skf18("10","7","7","8","5","6","1") = "9"
    & skf18("10","7","7","8","5","7","1") = "9"
    & skf18("10","7","7","8","5","8","1") = "9"
    & skf18("10","7","7","8","5","9","1") = "9"
    & skf18("10","7","7","8","5","10","1") = "9"
    & skf18("10","7","7","8","6","1","1") = "9"
    & skf18("10","7","7","8","6","2","1") = "9"
    & skf18("10","7","7","8","6","3","1") = "9"
    & skf18("10","7","7","8","6","4","1") = "9"
    & skf18("10","7","7","8","6","5","1") = "9"
    & skf18("10","7","7","8","6","6","1") = "9"
    & skf18("10","7","7","8","6","7","1") = "9"
    & skf18("10","7","7","8","6","8","1") = "9"
    & skf18("10","7","7","8","6","9","1") = "9"
    & skf18("10","7","7","8","6","10","1") = "9"
    & skf18("10","7","7","8","7","1","1") = "9"
    & skf18("10","7","7","8","7","2","1") = "9"
    & skf18("10","7","7","8","7","3","1") = "9"
    & skf18("10","7","7","8","7","4","1") = "9"
    & skf18("10","7","7","8","7","5","1") = "9"
    & skf18("10","7","7","8","7","6","1") = "9"
    & skf18("10","7","7","8","7","7","1") = "9"
    & skf18("10","7","7","8","7","8","1") = "9"
    & skf18("10","7","7","8","7","9","1") = "9"
    & skf18("10","7","7","8","7","10","1") = "9"
    & skf18("10","7","7","8","8","1","1") = "9"
    & skf18("10","7","7","8","8","2","1") = "9"
    & skf18("10","7","7","8","8","3","1") = "9"
    & skf18("10","7","7","8","8","4","1") = "9"
    & skf18("10","7","7","8","8","5","1") = "9"
    & skf18("10","7","7","8","8","6","1") = "9"
    & skf18("10","7","7","8","8","7","1") = "9"
    & skf18("10","7","7","8","8","8","1") = "9"
    & skf18("10","7","7","8","8","9","1") = "9"
    & skf18("10","7","7","8","8","10","1") = "9"
    & skf18("10","7","7","8","9","1","1") = "9"
    & skf18("10","7","7","8","9","2","1") = "9"
    & skf18("10","7","7","8","9","3","1") = "9"
    & skf18("10","7","7","8","9","4","1") = "9"
    & skf18("10","7","7","8","9","5","1") = "9"
    & skf18("10","7","7","8","9","6","1") = "9"
    & skf18("10","7","7","8","9","7","1") = "9"
    & skf18("10","7","7","8","9","8","1") = "9"
    & skf18("10","7","7","8","9","9","1") = "9"
    & skf18("10","7","7","8","9","10","1") = "9"
    & skf18("10","7","7","8","10","1","1") = "9"
    & skf18("10","7","7","8","10","2","1") = "9"
    & skf18("10","7","7","8","10","3","1") = "9"
    & skf18("10","7","7","8","10","4","1") = "9"
    & skf18("10","7","7","8","10","5","1") = "9"
    & skf18("10","7","7","8","10","6","1") = "9"
    & skf18("10","7","7","8","10","7","1") = "9"
    & skf18("10","7","7","8","10","8","1") = "9"
    & skf18("10","7","7","8","10","9","1") = "9"
    & skf18("10","7","7","8","10","10","1") = "9"
    & skf18("10","7","7","9","1","1","1") = "9"
    & skf18("10","7","7","9","1","2","1") = "9"
    & skf18("10","7","7","9","1","3","1") = "9"
    & skf18("10","7","7","9","1","4","1") = "9"
    & skf18("10","7","7","9","1","5","1") = "9"
    & skf18("10","7","7","9","1","6","1") = "9"
    & skf18("10","7","7","9","1","7","1") = "9"
    & skf18("10","7","7","9","1","8","1") = "9"
    & skf18("10","7","7","9","1","9","1") = "9"
    & skf18("10","7","7","9","1","10","1") = "9"
    & skf18("10","7","7","9","2","1","1") = "9"
    & skf18("10","7","7","9","2","2","1") = "9"
    & skf18("10","7","7","9","2","3","1") = "9"
    & skf18("10","7","7","9","2","4","1") = "9"
    & skf18("10","7","7","9","2","5","1") = "9"
    & skf18("10","7","7","9","2","6","1") = "9"
    & skf18("10","7","7","9","2","7","1") = "9"
    & skf18("10","7","7","9","2","8","1") = "9"
    & skf18("10","7","7","9","2","9","1") = "9"
    & skf18("10","7","7","9","2","10","1") = "9"
    & skf18("10","7","7","9","3","1","1") = "9"
    & skf18("10","7","7","9","3","2","1") = "9"
    & skf18("10","7","7","9","3","3","1") = "9"
    & skf18("10","7","7","9","3","4","1") = "9"
    & skf18("10","7","7","9","3","5","1") = "9"
    & skf18("10","7","7","9","3","6","1") = "9"
    & skf18("10","7","7","9","3","7","1") = "9"
    & skf18("10","7","7","9","3","8","1") = "9"
    & skf18("10","7","7","9","3","9","1") = "9"
    & skf18("10","7","7","9","3","10","1") = "9"
    & skf18("10","7","7","9","4","1","1") = "9"
    & skf18("10","7","7","9","4","2","1") = "9"
    & skf18("10","7","7","9","4","3","1") = "9"
    & skf18("10","7","7","9","4","4","1") = "9"
    & skf18("10","7","7","9","4","5","1") = "9"
    & skf18("10","7","7","9","4","6","1") = "9"
    & skf18("10","7","7","9","4","7","1") = "9"
    & skf18("10","7","7","9","4","8","1") = "9"
    & skf18("10","7","7","9","4","9","1") = "9"
    & skf18("10","7","7","9","4","10","1") = "9"
    & skf18("10","7","7","9","5","1","1") = "9"
    & skf18("10","7","7","9","5","2","1") = "9"
    & skf18("10","7","7","9","5","3","1") = "9"
    & skf18("10","7","7","9","5","4","1") = "9"
    & skf18("10","7","7","9","5","5","1") = "9"
    & skf18("10","7","7","9","5","6","1") = "9"
    & skf18("10","7","7","9","5","7","1") = "9"
    & skf18("10","7","7","9","5","8","1") = "9"
    & skf18("10","7","7","9","5","9","1") = "9"
    & skf18("10","7","7","9","5","10","1") = "9"
    & skf18("10","7","7","9","6","1","1") = "9"
    & skf18("10","7","7","9","6","2","1") = "9"
    & skf18("10","7","7","9","6","3","1") = "9"
    & skf18("10","7","7","9","6","4","1") = "9"
    & skf18("10","7","7","9","6","5","1") = "9"
    & skf18("10","7","7","9","6","6","1") = "9"
    & skf18("10","7","7","9","6","7","1") = "9"
    & skf18("10","7","7","9","6","8","1") = "9"
    & skf18("10","7","7","9","6","9","1") = "9"
    & skf18("10","7","7","9","6","10","1") = "9"
    & skf18("10","7","7","9","7","1","1") = "9"
    & skf18("10","7","7","9","7","2","1") = "9"
    & skf18("10","7","7","9","7","3","1") = "9"
    & skf18("10","7","7","9","7","4","1") = "9"
    & skf18("10","7","7","9","7","5","1") = "9"
    & skf18("10","7","7","9","7","6","1") = "9"
    & skf18("10","7","7","9","7","7","1") = "9"
    & skf18("10","7","7","9","7","8","1") = "9"
    & skf18("10","7","7","9","7","9","1") = "9"
    & skf18("10","7","7","9","7","10","1") = "9"
    & skf18("10","7","7","9","8","1","1") = "9"
    & skf18("10","7","7","9","8","2","1") = "9"
    & skf18("10","7","7","9","8","3","1") = "9"
    & skf18("10","7","7","9","8","4","1") = "9"
    & skf18("10","7","7","9","8","5","1") = "9"
    & skf18("10","7","7","9","8","6","1") = "9"
    & skf18("10","7","7","9","8","7","1") = "9"
    & skf18("10","7","7","9","8","8","1") = "9"
    & skf18("10","7","7","9","8","9","1") = "9"
    & skf18("10","7","7","9","8","10","1") = "9"
    & skf18("10","7","7","9","9","1","1") = "9"
    & skf18("10","7","7","9","9","2","1") = "9"
    & skf18("10","7","7","9","9","3","1") = "9"
    & skf18("10","7","7","9","9","4","1") = "9"
    & skf18("10","7","7","9","9","5","1") = "9"
    & skf18("10","7","7","9","9","6","1") = "9"
    & skf18("10","7","7","9","9","7","1") = "9"
    & skf18("10","7","7","9","9","8","1") = "9"
    & skf18("10","7","7","9","9","9","1") = "9"
    & skf18("10","7","7","9","9","10","1") = "9"
    & skf18("10","7","7","9","10","1","1") = "9"
    & skf18("10","7","7","9","10","2","1") = "9"
    & skf18("10","7","7","9","10","3","1") = "9"
    & skf18("10","7","7","9","10","4","1") = "9"
    & skf18("10","7","7","9","10","5","1") = "9"
    & skf18("10","7","7","9","10","6","1") = "9"
    & skf18("10","7","7","9","10","7","1") = "9"
    & skf18("10","7","7","9","10","8","1") = "9"
    & skf18("10","7","7","9","10","9","1") = "9"
    & skf18("10","7","7","9","10","10","1") = "9"
    & skf18("10","7","7","10","1","1","1") = "9"
    & skf18("10","7","7","10","1","2","1") = "9"
    & skf18("10","7","7","10","1","3","1") = "9"
    & skf18("10","7","7","10","1","4","1") = "9"
    & skf18("10","7","7","10","1","5","1") = "9"
    & skf18("10","7","7","10","1","6","1") = "9"
    & skf18("10","7","7","10","1","7","1") = "9"
    & skf18("10","7","7","10","1","8","1") = "9"
    & skf18("10","7","7","10","1","9","1") = "9"
    & skf18("10","7","7","10","1","10","1") = "9"
    & skf18("10","7","7","10","2","1","1") = "9"
    & skf18("10","7","7","10","2","2","1") = "9"
    & skf18("10","7","7","10","2","3","1") = "9"
    & skf18("10","7","7","10","2","4","1") = "9"
    & skf18("10","7","7","10","2","5","1") = "9"
    & skf18("10","7","7","10","2","6","1") = "9"
    & skf18("10","7","7","10","2","7","1") = "9"
    & skf18("10","7","7","10","2","8","1") = "9"
    & skf18("10","7","7","10","2","9","1") = "9"
    & skf18("10","7","7","10","2","10","1") = "9"
    & skf18("10","7","7","10","3","1","1") = "9"
    & skf18("10","7","7","10","3","2","1") = "9"
    & skf18("10","7","7","10","3","3","1") = "9"
    & skf18("10","7","7","10","3","4","1") = "9"
    & skf18("10","7","7","10","3","5","1") = "9"
    & skf18("10","7","7","10","3","6","1") = "9"
    & skf18("10","7","7","10","3","7","1") = "9"
    & skf18("10","7","7","10","3","8","1") = "9"
    & skf18("10","7","7","10","3","9","1") = "9"
    & skf18("10","7","7","10","3","10","1") = "9"
    & skf18("10","7","7","10","4","1","1") = "9"
    & skf18("10","7","7","10","4","2","1") = "9"
    & skf18("10","7","7","10","4","3","1") = "9"
    & skf18("10","7","7","10","4","4","1") = "9"
    & skf18("10","7","7","10","4","5","1") = "9"
    & skf18("10","7","7","10","4","6","1") = "9"
    & skf18("10","7","7","10","4","7","1") = "9"
    & skf18("10","7","7","10","4","8","1") = "9"
    & skf18("10","7","7","10","4","9","1") = "9"
    & skf18("10","7","7","10","4","10","1") = "9"
    & skf18("10","7","7","10","5","1","1") = "9"
    & skf18("10","7","7","10","5","2","1") = "9"
    & skf18("10","7","7","10","5","3","1") = "9"
    & skf18("10","7","7","10","5","4","1") = "9"
    & skf18("10","7","7","10","5","5","1") = "9"
    & skf18("10","7","7","10","5","6","1") = "9"
    & skf18("10","7","7","10","5","7","1") = "9"
    & skf18("10","7","7","10","5","8","1") = "9"
    & skf18("10","7","7","10","5","9","1") = "9"
    & skf18("10","7","7","10","5","10","1") = "9"
    & skf18("10","7","7","10","6","1","1") = "9"
    & skf18("10","7","7","10","6","2","1") = "9"
    & skf18("10","7","7","10","6","3","1") = "9"
    & skf18("10","7","7","10","6","4","1") = "9"
    & skf18("10","7","7","10","6","5","1") = "9"
    & skf18("10","7","7","10","6","6","1") = "9"
    & skf18("10","7","7","10","6","7","1") = "9"
    & skf18("10","7","7","10","6","8","1") = "9"
    & skf18("10","7","7","10","6","9","1") = "9"
    & skf18("10","7","7","10","6","10","1") = "9"
    & skf18("10","7","7","10","7","1","1") = "9"
    & skf18("10","7","7","10","7","2","1") = "9"
    & skf18("10","7","7","10","7","3","1") = "9"
    & skf18("10","7","7","10","7","4","1") = "9"
    & skf18("10","7","7","10","7","5","1") = "9"
    & skf18("10","7","7","10","7","6","1") = "9"
    & skf18("10","7","7","10","7","7","1") = "9"
    & skf18("10","7","7","10","7","8","1") = "9"
    & skf18("10","7","7","10","7","9","1") = "9"
    & skf18("10","7","7","10","7","10","1") = "9"
    & skf18("10","7","7","10","8","1","1") = "9"
    & skf18("10","7","7","10","8","2","1") = "9"
    & skf18("10","7","7","10","8","3","1") = "9"
    & skf18("10","7","7","10","8","4","1") = "9"
    & skf18("10","7","7","10","8","5","1") = "9"
    & skf18("10","7","7","10","8","6","1") = "9"
    & skf18("10","7","7","10","8","7","1") = "9"
    & skf18("10","7","7","10","8","8","1") = "9"
    & skf18("10","7","7","10","8","9","1") = "9"
    & skf18("10","7","7","10","8","10","1") = "9"
    & skf18("10","7","7","10","9","1","1") = "9"
    & skf18("10","7","7","10","9","2","1") = "9"
    & skf18("10","7","7","10","9","3","1") = "9"
    & skf18("10","7","7","10","9","4","1") = "9"
    & skf18("10","7","7","10","9","5","1") = "9"
    & skf18("10","7","7","10","9","6","1") = "9"
    & skf18("10","7","7","10","9","7","1") = "9"
    & skf18("10","7","7","10","9","8","1") = "9"
    & skf18("10","7","7","10","9","9","1") = "9"
    & skf18("10","7","7","10","9","10","1") = "9"
    & skf18("10","7","7","10","10","1","1") = "9"
    & skf18("10","7","7","10","10","2","1") = "9"
    & skf18("10","7","7","10","10","3","1") = "9"
    & skf18("10","7","7","10","10","4","1") = "9"
    & skf18("10","7","7","10","10","5","1") = "9"
    & skf18("10","7","7","10","10","6","1") = "9"
    & skf18("10","7","7","10","10","7","1") = "9"
    & skf18("10","7","7","10","10","8","1") = "9"
    & skf18("10","7","7","10","10","9","1") = "9"
    & skf18("10","7","7","10","10","10","1") = "9"
    & skf18("10","7","8","1","1","1","1") = "9"
    & skf18("10","7","8","1","1","2","1") = "9"
    & skf18("10","7","8","1","1","3","1") = "9"
    & skf18("10","7","8","1","1","4","1") = "9"
    & skf18("10","7","8","1","1","5","1") = "9"
    & skf18("10","7","8","1","1","6","1") = "9"
    & skf18("10","7","8","1","1","7","1") = "9"
    & skf18("10","7","8","1","1","8","1") = "9"
    & skf18("10","7","8","1","1","9","1") = "9"
    & skf18("10","7","8","1","1","10","1") = "9"
    & skf18("10","7","8","1","2","1","1") = "9"
    & skf18("10","7","8","1","2","2","1") = "9"
    & skf18("10","7","8","1","2","3","1") = "9"
    & skf18("10","7","8","1","2","4","1") = "9"
    & skf18("10","7","8","1","2","5","1") = "9"
    & skf18("10","7","8","1","2","6","1") = "9"
    & skf18("10","7","8","1","2","7","1") = "9"
    & skf18("10","7","8","1","2","8","1") = "9"
    & skf18("10","7","8","1","2","9","1") = "9"
    & skf18("10","7","8","1","2","10","1") = "9"
    & skf18("10","7","8","1","3","1","1") = "9"
    & skf18("10","7","8","1","3","2","1") = "9"
    & skf18("10","7","8","1","3","3","1") = "9"
    & skf18("10","7","8","1","3","4","1") = "9"
    & skf18("10","7","8","1","3","5","1") = "9"
    & skf18("10","7","8","1","3","6","1") = "9"
    & skf18("10","7","8","1","3","7","1") = "9"
    & skf18("10","7","8","1","3","8","1") = "9"
    & skf18("10","7","8","1","3","9","1") = "9"
    & skf18("10","7","8","1","3","10","1") = "9"
    & skf18("10","7","8","1","4","1","1") = "9"
    & skf18("10","7","8","1","4","2","1") = "9"
    & skf18("10","7","8","1","4","3","1") = "9"
    & skf18("10","7","8","1","4","4","1") = "9"
    & skf18("10","7","8","1","4","5","1") = "9"
    & skf18("10","7","8","1","4","6","1") = "9"
    & skf18("10","7","8","1","4","7","1") = "9"
    & skf18("10","7","8","1","4","8","1") = "9"
    & skf18("10","7","8","1","4","9","1") = "9"
    & skf18("10","7","8","1","4","10","1") = "9"
    & skf18("10","7","8","1","5","1","1") = "9"
    & skf18("10","7","8","1","5","2","1") = "9"
    & skf18("10","7","8","1","5","3","1") = "9"
    & skf18("10","7","8","1","5","4","1") = "9"
    & skf18("10","7","8","1","5","5","1") = "9"
    & skf18("10","7","8","1","5","6","1") = "9"
    & skf18("10","7","8","1","5","7","1") = "9"
    & skf18("10","7","8","1","5","8","1") = "9"
    & skf18("10","7","8","1","5","9","1") = "9"
    & skf18("10","7","8","1","5","10","1") = "9"
    & skf18("10","7","8","1","6","1","1") = "9"
    & skf18("10","7","8","1","6","2","1") = "9"
    & skf18("10","7","8","1","6","3","1") = "9"
    & skf18("10","7","8","1","6","4","1") = "9"
    & skf18("10","7","8","1","6","5","1") = "9"
    & skf18("10","7","8","1","6","6","1") = "9"
    & skf18("10","7","8","1","6","7","1") = "9"
    & skf18("10","7","8","1","6","8","1") = "9"
    & skf18("10","7","8","1","6","9","1") = "9"
    & skf18("10","7","8","1","6","10","1") = "9"
    & skf18("10","7","8","1","7","1","1") = "9"
    & skf18("10","7","8","1","7","2","1") = "9"
    & skf18("10","7","8","1","7","3","1") = "9"
    & skf18("10","7","8","1","7","4","1") = "9"
    & skf18("10","7","8","1","7","5","1") = "9"
    & skf18("10","7","8","1","7","6","1") = "9"
    & skf18("10","7","8","1","7","7","1") = "9"
    & skf18("10","7","8","1","7","8","1") = "9"
    & skf18("10","7","8","1","7","9","1") = "9"
    & skf18("10","7","8","1","7","10","1") = "9"
    & skf18("10","7","8","1","8","1","1") = "9"
    & skf18("10","7","8","1","8","2","1") = "9"
    & skf18("10","7","8","1","8","3","1") = "9"
    & skf18("10","7","8","1","8","4","1") = "9"
    & skf18("10","7","8","1","8","5","1") = "9"
    & skf18("10","7","8","1","8","6","1") = "9"
    & skf18("10","7","8","1","8","7","1") = "9"
    & skf18("10","7","8","1","8","8","1") = "9"
    & skf18("10","7","8","1","8","9","1") = "9"
    & skf18("10","7","8","1","8","10","1") = "9"
    & skf18("10","7","8","1","9","1","1") = "9"
    & skf18("10","7","8","1","9","2","1") = "9"
    & skf18("10","7","8","1","9","3","1") = "9"
    & skf18("10","7","8","1","9","4","1") = "9"
    & skf18("10","7","8","1","9","5","1") = "9"
    & skf18("10","7","8","1","9","6","1") = "9"
    & skf18("10","7","8","1","9","7","1") = "9"
    & skf18("10","7","8","1","9","8","1") = "9"
    & skf18("10","7","8","1","9","9","1") = "9"
    & skf18("10","7","8","1","9","10","1") = "9"
    & skf18("10","7","8","1","10","1","1") = "9"
    & skf18("10","7","8","1","10","2","1") = "9"
    & skf18("10","7","8","1","10","3","1") = "9"
    & skf18("10","7","8","1","10","4","1") = "9"
    & skf18("10","7","8","1","10","5","1") = "9"
    & skf18("10","7","8","1","10","6","1") = "9"
    & skf18("10","7","8","1","10","7","1") = "9"
    & skf18("10","7","8","1","10","8","1") = "9"
    & skf18("10","7","8","1","10","9","1") = "9"
    & skf18("10","7","8","1","10","10","1") = "9"
    & skf18("10","7","8","2","1","1","1") = "9"
    & skf18("10","7","8","2","1","2","1") = "9"
    & skf18("10","7","8","2","1","3","1") = "9"
    & skf18("10","7","8","2","1","4","1") = "9"
    & skf18("10","7","8","2","1","5","1") = "9"
    & skf18("10","7","8","2","1","6","1") = "9"
    & skf18("10","7","8","2","1","7","1") = "9"
    & skf18("10","7","8","2","1","8","1") = "9"
    & skf18("10","7","8","2","1","9","1") = "9"
    & skf18("10","7","8","2","1","10","1") = "9"
    & skf18("10","7","8","2","2","1","1") = "9"
    & skf18("10","7","8","2","2","2","1") = "9"
    & skf18("10","7","8","2","2","3","1") = "9"
    & skf18("10","7","8","2","2","4","1") = "9"
    & skf18("10","7","8","2","2","5","1") = "9"
    & skf18("10","7","8","2","2","6","1") = "9"
    & skf18("10","7","8","2","2","7","1") = "9"
    & skf18("10","7","8","2","2","8","1") = "9"
    & skf18("10","7","8","2","2","9","1") = "9"
    & skf18("10","7","8","2","2","10","1") = "9"
    & skf18("10","7","8","2","3","1","1") = "9"
    & skf18("10","7","8","2","3","2","1") = "9"
    & skf18("10","7","8","2","3","3","1") = "9"
    & skf18("10","7","8","2","3","4","1") = "9"
    & skf18("10","7","8","2","3","5","1") = "9"
    & skf18("10","7","8","2","3","6","1") = "9"
    & skf18("10","7","8","2","3","7","1") = "9"
    & skf18("10","7","8","2","3","8","1") = "9"
    & skf18("10","7","8","2","3","9","1") = "9"
    & skf18("10","7","8","2","3","10","1") = "9"
    & skf18("10","7","8","2","4","1","1") = "9"
    & skf18("10","7","8","2","4","2","1") = "9"
    & skf18("10","7","8","2","4","3","1") = "9"
    & skf18("10","7","8","2","4","4","1") = "9"
    & skf18("10","7","8","2","4","5","1") = "9"
    & skf18("10","7","8","2","4","6","1") = "9"
    & skf18("10","7","8","2","4","7","1") = "9"
    & skf18("10","7","8","2","4","8","1") = "9"
    & skf18("10","7","8","2","4","9","1") = "9"
    & skf18("10","7","8","2","4","10","1") = "9"
    & skf18("10","7","8","2","5","1","1") = "9"
    & skf18("10","7","8","2","5","2","1") = "9"
    & skf18("10","7","8","2","5","3","1") = "9"
    & skf18("10","7","8","2","5","4","1") = "9"
    & skf18("10","7","8","2","5","5","1") = "9"
    & skf18("10","7","8","2","5","6","1") = "9"
    & skf18("10","7","8","2","5","7","1") = "9"
    & skf18("10","7","8","2","5","8","1") = "9"
    & skf18("10","7","8","2","5","9","1") = "9"
    & skf18("10","7","8","2","5","10","1") = "9"
    & skf18("10","7","8","2","6","1","1") = "9"
    & skf18("10","7","8","2","6","2","1") = "9"
    & skf18("10","7","8","2","6","3","1") = "9"
    & skf18("10","7","8","2","6","4","1") = "9"
    & skf18("10","7","8","2","6","5","1") = "9"
    & skf18("10","7","8","2","6","6","1") = "9"
    & skf18("10","7","8","2","6","7","1") = "9"
    & skf18("10","7","8","2","6","8","1") = "9"
    & skf18("10","7","8","2","6","9","1") = "9"
    & skf18("10","7","8","2","6","10","1") = "9"
    & skf18("10","7","8","2","7","1","1") = "9"
    & skf18("10","7","8","2","7","2","1") = "9"
    & skf18("10","7","8","2","7","3","1") = "9"
    & skf18("10","7","8","2","7","4","1") = "9"
    & skf18("10","7","8","2","7","5","1") = "9"
    & skf18("10","7","8","2","7","6","1") = "9"
    & skf18("10","7","8","2","7","7","1") = "9"
    & skf18("10","7","8","2","7","8","1") = "9"
    & skf18("10","7","8","2","7","9","1") = "9"
    & skf18("10","7","8","2","7","10","1") = "9"
    & skf18("10","7","8","2","8","1","1") = "9"
    & skf18("10","7","8","2","8","2","1") = "9"
    & skf18("10","7","8","2","8","3","1") = "9"
    & skf18("10","7","8","2","8","4","1") = "9"
    & skf18("10","7","8","2","8","5","1") = "9"
    & skf18("10","7","8","2","8","6","1") = "9"
    & skf18("10","7","8","2","8","7","1") = "9"
    & skf18("10","7","8","2","8","8","1") = "9"
    & skf18("10","7","8","2","8","9","1") = "9"
    & skf18("10","7","8","2","8","10","1") = "9"
    & skf18("10","7","8","2","9","1","1") = "9"
    & skf18("10","7","8","2","9","2","1") = "9"
    & skf18("10","7","8","2","9","3","1") = "9"
    & skf18("10","7","8","2","9","4","1") = "9"
    & skf18("10","7","8","2","9","5","1") = "9"
    & skf18("10","7","8","2","9","6","1") = "9"
    & skf18("10","7","8","2","9","7","1") = "9"
    & skf18("10","7","8","2","9","8","1") = "9"
    & skf18("10","7","8","2","9","9","1") = "9"
    & skf18("10","7","8","2","9","10","1") = "9"
    & skf18("10","7","8","2","10","1","1") = "9"
    & skf18("10","7","8","2","10","2","1") = "9"
    & skf18("10","7","8","2","10","3","1") = "9"
    & skf18("10","7","8","2","10","4","1") = "9"
    & skf18("10","7","8","2","10","5","1") = "9"
    & skf18("10","7","8","2","10","6","1") = "9"
    & skf18("10","7","8","2","10","7","1") = "9"
    & skf18("10","7","8","2","10","8","1") = "9"
    & skf18("10","7","8","2","10","9","1") = "9"
    & skf18("10","7","8","2","10","10","1") = "9"
    & skf18("10","7","8","3","1","1","1") = "9"
    & skf18("10","7","8","3","1","2","1") = "9"
    & skf18("10","7","8","3","1","3","1") = "9"
    & skf18("10","7","8","3","1","4","1") = "9"
    & skf18("10","7","8","3","1","5","1") = "9"
    & skf18("10","7","8","3","1","6","1") = "9"
    & skf18("10","7","8","3","1","7","1") = "9"
    & skf18("10","7","8","3","1","8","1") = "9"
    & skf18("10","7","8","3","1","9","1") = "9"
    & skf18("10","7","8","3","1","10","1") = "9"
    & skf18("10","7","8","3","2","1","1") = "9"
    & skf18("10","7","8","3","2","2","1") = "9"
    & skf18("10","7","8","3","2","3","1") = "9"
    & skf18("10","7","8","3","2","4","1") = "9"
    & skf18("10","7","8","3","2","5","1") = "9"
    & skf18("10","7","8","3","2","6","1") = "9"
    & skf18("10","7","8","3","2","7","1") = "9"
    & skf18("10","7","8","3","2","8","1") = "9"
    & skf18("10","7","8","3","2","9","1") = "9"
    & skf18("10","7","8","3","2","10","1") = "9"
    & skf18("10","7","8","3","3","1","1") = "9"
    & skf18("10","7","8","3","3","2","1") = "9"
    & skf18("10","7","8","3","3","3","1") = "9"
    & skf18("10","7","8","3","3","4","1") = "9"
    & skf18("10","7","8","3","3","5","1") = "9"
    & skf18("10","7","8","3","3","6","1") = "9"
    & skf18("10","7","8","3","3","7","1") = "9"
    & skf18("10","7","8","3","3","8","1") = "9"
    & skf18("10","7","8","3","3","9","1") = "9"
    & skf18("10","7","8","3","3","10","1") = "9"
    & skf18("10","7","8","3","4","1","1") = "9"
    & skf18("10","7","8","3","4","2","1") = "9"
    & skf18("10","7","8","3","4","3","1") = "9"
    & skf18("10","7","8","3","4","4","1") = "9"
    & skf18("10","7","8","3","4","5","1") = "9"
    & skf18("10","7","8","3","4","6","1") = "9"
    & skf18("10","7","8","3","4","7","1") = "9"
    & skf18("10","7","8","3","4","8","1") = "9"
    & skf18("10","7","8","3","4","9","1") = "9"
    & skf18("10","7","8","3","4","10","1") = "9"
    & skf18("10","7","8","3","5","1","1") = "9"
    & skf18("10","7","8","3","5","2","1") = "9"
    & skf18("10","7","8","3","5","3","1") = "9"
    & skf18("10","7","8","3","5","4","1") = "9"
    & skf18("10","7","8","3","5","5","1") = "9"
    & skf18("10","7","8","3","5","6","1") = "9"
    & skf18("10","7","8","3","5","7","1") = "9"
    & skf18("10","7","8","3","5","8","1") = "9"
    & skf18("10","7","8","3","5","9","1") = "9"
    & skf18("10","7","8","3","5","10","1") = "9"
    & skf18("10","7","8","3","6","1","1") = "9"
    & skf18("10","7","8","3","6","2","1") = "9"
    & skf18("10","7","8","3","6","3","1") = "9"
    & skf18("10","7","8","3","6","4","1") = "9"
    & skf18("10","7","8","3","6","5","1") = "9"
    & skf18("10","7","8","3","6","6","1") = "9"
    & skf18("10","7","8","3","6","7","1") = "9"
    & skf18("10","7","8","3","6","8","1") = "9"
    & skf18("10","7","8","3","6","9","1") = "9"
    & skf18("10","7","8","3","6","10","1") = "9"
    & skf18("10","7","8","3","7","1","1") = "9"
    & skf18("10","7","8","3","7","2","1") = "9"
    & skf18("10","7","8","3","7","3","1") = "9"
    & skf18("10","7","8","3","7","4","1") = "9"
    & skf18("10","7","8","3","7","5","1") = "9"
    & skf18("10","7","8","3","7","6","1") = "9"
    & skf18("10","7","8","3","7","7","1") = "9"
    & skf18("10","7","8","3","7","8","1") = "9"
    & skf18("10","7","8","3","7","9","1") = "9"
    & skf18("10","7","8","3","7","10","1") = "9"
    & skf18("10","7","8","3","8","1","1") = "9"
    & skf18("10","7","8","3","8","2","1") = "9"
    & skf18("10","7","8","3","8","3","1") = "9"
    & skf18("10","7","8","3","8","4","1") = "9"
    & skf18("10","7","8","3","8","5","1") = "9"
    & skf18("10","7","8","3","8","6","1") = "9"
    & skf18("10","7","8","3","8","7","1") = "9"
    & skf18("10","7","8","3","8","8","1") = "9"
    & skf18("10","7","8","3","8","9","1") = "9"
    & skf18("10","7","8","3","8","10","1") = "9"
    & skf18("10","7","8","3","9","1","1") = "9"
    & skf18("10","7","8","3","9","2","1") = "9"
    & skf18("10","7","8","3","9","3","1") = "9"
    & skf18("10","7","8","3","9","4","1") = "9"
    & skf18("10","7","8","3","9","5","1") = "9"
    & skf18("10","7","8","3","9","6","1") = "9"
    & skf18("10","7","8","3","9","7","1") = "9"
    & skf18("10","7","8","3","9","8","1") = "9"
    & skf18("10","7","8","3","9","9","1") = "9"
    & skf18("10","7","8","3","9","10","1") = "9"
    & skf18("10","7","8","3","10","1","1") = "9"
    & skf18("10","7","8","3","10","2","1") = "9"
    & skf18("10","7","8","3","10","3","1") = "9"
    & skf18("10","7","8","3","10","4","1") = "9"
    & skf18("10","7","8","3","10","5","1") = "9"
    & skf18("10","7","8","3","10","6","1") = "9"
    & skf18("10","7","8","3","10","7","1") = "9"
    & skf18("10","7","8","3","10","8","1") = "9"
    & skf18("10","7","8","3","10","9","1") = "9"
    & skf18("10","7","8","3","10","10","1") = "9"
    & skf18("10","7","8","4","1","1","1") = "9"
    & skf18("10","7","8","4","1","2","1") = "9"
    & skf18("10","7","8","4","1","3","1") = "9"
    & skf18("10","7","8","4","1","4","1") = "9"
    & skf18("10","7","8","4","1","5","1") = "9"
    & skf18("10","7","8","4","1","6","1") = "9"
    & skf18("10","7","8","4","1","7","1") = "9"
    & skf18("10","7","8","4","1","8","1") = "9"
    & skf18("10","7","8","4","1","9","1") = "9"
    & skf18("10","7","8","4","1","10","1") = "9"
    & skf18("10","7","8","4","2","1","1") = "9"
    & skf18("10","7","8","4","2","2","1") = "9"
    & skf18("10","7","8","4","2","3","1") = "9"
    & skf18("10","7","8","4","2","4","1") = "9"
    & skf18("10","7","8","4","2","5","1") = "9"
    & skf18("10","7","8","4","2","6","1") = "9"
    & skf18("10","7","8","4","2","7","1") = "9"
    & skf18("10","7","8","4","2","8","1") = "9"
    & skf18("10","7","8","4","2","9","1") = "9"
    & skf18("10","7","8","4","2","10","1") = "9"
    & skf18("10","7","8","4","3","1","1") = "9"
    & skf18("10","7","8","4","3","2","1") = "9"
    & skf18("10","7","8","4","3","3","1") = "9"
    & skf18("10","7","8","4","3","4","1") = "9"
    & skf18("10","7","8","4","3","5","1") = "9"
    & skf18("10","7","8","4","3","6","1") = "9"
    & skf18("10","7","8","4","3","7","1") = "9"
    & skf18("10","7","8","4","3","8","1") = "9"
    & skf18("10","7","8","4","3","9","1") = "9"
    & skf18("10","7","8","4","3","10","1") = "9"
    & skf18("10","7","8","4","4","1","1") = "9"
    & skf18("10","7","8","4","4","2","1") = "9"
    & skf18("10","7","8","4","4","3","1") = "9"
    & skf18("10","7","8","4","4","4","1") = "9"
    & skf18("10","7","8","4","4","5","1") = "9"
    & skf18("10","7","8","4","4","6","1") = "9"
    & skf18("10","7","8","4","4","7","1") = "9"
    & skf18("10","7","8","4","4","8","1") = "9"
    & skf18("10","7","8","4","4","9","1") = "9"
    & skf18("10","7","8","4","4","10","1") = "9"
    & skf18("10","7","8","4","5","1","1") = "9"
    & skf18("10","7","8","4","5","2","1") = "9"
    & skf18("10","7","8","4","5","3","1") = "9"
    & skf18("10","7","8","4","5","4","1") = "9"
    & skf18("10","7","8","4","5","5","1") = "9"
    & skf18("10","7","8","4","5","6","1") = "9"
    & skf18("10","7","8","4","5","7","1") = "9"
    & skf18("10","7","8","4","5","8","1") = "9"
    & skf18("10","7","8","4","5","9","1") = "9"
    & skf18("10","7","8","4","5","10","1") = "9"
    & skf18("10","7","8","4","6","1","1") = "9"
    & skf18("10","7","8","4","6","2","1") = "9"
    & skf18("10","7","8","4","6","3","1") = "9"
    & skf18("10","7","8","4","6","4","1") = "9"
    & skf18("10","7","8","4","6","5","1") = "9"
    & skf18("10","7","8","4","6","6","1") = "9"
    & skf18("10","7","8","4","6","7","1") = "9"
    & skf18("10","7","8","4","6","8","1") = "9"
    & skf18("10","7","8","4","6","9","1") = "9"
    & skf18("10","7","8","4","6","10","1") = "9"
    & skf18("10","7","8","4","7","1","1") = "9"
    & skf18("10","7","8","4","7","2","1") = "9"
    & skf18("10","7","8","4","7","3","1") = "9"
    & skf18("10","7","8","4","7","4","1") = "9"
    & skf18("10","7","8","4","7","5","1") = "9"
    & skf18("10","7","8","4","7","6","1") = "9"
    & skf18("10","7","8","4","7","7","1") = "9"
    & skf18("10","7","8","4","7","8","1") = "9"
    & skf18("10","7","8","4","7","9","1") = "9"
    & skf18("10","7","8","4","7","10","1") = "9"
    & skf18("10","7","8","4","8","1","1") = "9"
    & skf18("10","7","8","4","8","2","1") = "9"
    & skf18("10","7","8","4","8","3","1") = "9"
    & skf18("10","7","8","4","8","4","1") = "9"
    & skf18("10","7","8","4","8","5","1") = "9"
    & skf18("10","7","8","4","8","6","1") = "9"
    & skf18("10","7","8","4","8","7","1") = "9"
    & skf18("10","7","8","4","8","8","1") = "9"
    & skf18("10","7","8","4","8","9","1") = "9"
    & skf18("10","7","8","4","8","10","1") = "9"
    & skf18("10","7","8","4","9","1","1") = "9"
    & skf18("10","7","8","4","9","2","1") = "9"
    & skf18("10","7","8","4","9","3","1") = "9"
    & skf18("10","7","8","4","9","4","1") = "9"
    & skf18("10","7","8","4","9","5","1") = "9"
    & skf18("10","7","8","4","9","6","1") = "9"
    & skf18("10","7","8","4","9","7","1") = "9"
    & skf18("10","7","8","4","9","8","1") = "9"
    & skf18("10","7","8","4","9","9","1") = "9"
    & skf18("10","7","8","4","9","10","1") = "9"
    & skf18("10","7","8","4","10","1","1") = "9"
    & skf18("10","7","8","4","10","2","1") = "9"
    & skf18("10","7","8","4","10","3","1") = "9"
    & skf18("10","7","8","4","10","4","1") = "9"
    & skf18("10","7","8","4","10","5","1") = "9"
    & skf18("10","7","8","4","10","6","1") = "9"
    & skf18("10","7","8","4","10","7","1") = "9"
    & skf18("10","7","8","4","10","8","1") = "9"
    & skf18("10","7","8","4","10","9","1") = "9"
    & skf18("10","7","8","4","10","10","1") = "9"
    & skf18("10","7","8","5","1","1","1") = "9"
    & skf18("10","7","8","5","1","2","1") = "9"
    & skf18("10","7","8","5","1","3","1") = "9"
    & skf18("10","7","8","5","1","4","1") = "9"
    & skf18("10","7","8","5","1","5","1") = "9"
    & skf18("10","7","8","5","1","6","1") = "9"
    & skf18("10","7","8","5","1","7","1") = "9"
    & skf18("10","7","8","5","1","8","1") = "9"
    & skf18("10","7","8","5","1","9","1") = "9"
    & skf18("10","7","8","5","1","10","1") = "9"
    & skf18("10","7","8","5","2","1","1") = "9"
    & skf18("10","7","8","5","2","2","1") = "9"
    & skf18("10","7","8","5","2","3","1") = "9"
    & skf18("10","7","8","5","2","4","1") = "9"
    & skf18("10","7","8","5","2","5","1") = "9"
    & skf18("10","7","8","5","2","6","1") = "9"
    & skf18("10","7","8","5","2","7","1") = "9"
    & skf18("10","7","8","5","2","8","1") = "9"
    & skf18("10","7","8","5","2","9","1") = "9"
    & skf18("10","7","8","5","2","10","1") = "9"
    & skf18("10","7","8","5","3","1","1") = "9"
    & skf18("10","7","8","5","3","2","1") = "9"
    & skf18("10","7","8","5","3","3","1") = "9"
    & skf18("10","7","8","5","3","4","1") = "9"
    & skf18("10","7","8","5","3","5","1") = "9"
    & skf18("10","7","8","5","3","6","1") = "9"
    & skf18("10","7","8","5","3","7","1") = "9"
    & skf18("10","7","8","5","3","8","1") = "9"
    & skf18("10","7","8","5","3","9","1") = "9"
    & skf18("10","7","8","5","3","10","1") = "9"
    & skf18("10","7","8","5","4","1","1") = "9"
    & skf18("10","7","8","5","4","2","1") = "9"
    & skf18("10","7","8","5","4","3","1") = "9"
    & skf18("10","7","8","5","4","4","1") = "9"
    & skf18("10","7","8","5","4","5","1") = "9"
    & skf18("10","7","8","5","4","6","1") = "9"
    & skf18("10","7","8","5","4","7","1") = "9"
    & skf18("10","7","8","5","4","8","1") = "9"
    & skf18("10","7","8","5","4","9","1") = "9"
    & skf18("10","7","8","5","4","10","1") = "9"
    & skf18("10","7","8","5","5","1","1") = "9"
    & skf18("10","7","8","5","5","2","1") = "9"
    & skf18("10","7","8","5","5","3","1") = "9"
    & skf18("10","7","8","5","5","4","1") = "9"
    & skf18("10","7","8","5","5","5","1") = "9"
    & skf18("10","7","8","5","5","6","1") = "9"
    & skf18("10","7","8","5","5","7","1") = "9"
    & skf18("10","7","8","5","5","8","1") = "9"
    & skf18("10","7","8","5","5","9","1") = "9"
    & skf18("10","7","8","5","5","10","1") = "9"
    & skf18("10","7","8","5","6","1","1") = "9"
    & skf18("10","7","8","5","6","2","1") = "9"
    & skf18("10","7","8","5","6","3","1") = "9"
    & skf18("10","7","8","5","6","4","1") = "9"
    & skf18("10","7","8","5","6","5","1") = "9"
    & skf18("10","7","8","5","6","6","1") = "9"
    & skf18("10","7","8","5","6","7","1") = "9"
    & skf18("10","7","8","5","6","8","1") = "9"
    & skf18("10","7","8","5","6","9","1") = "9"
    & skf18("10","7","8","5","6","10","1") = "9"
    & skf18("10","7","8","5","7","1","1") = "9"
    & skf18("10","7","8","5","7","2","1") = "9"
    & skf18("10","7","8","5","7","3","1") = "9"
    & skf18("10","7","8","5","7","4","1") = "9"
    & skf18("10","7","8","5","7","5","1") = "9"
    & skf18("10","7","8","5","7","6","1") = "9"
    & skf18("10","7","8","5","7","7","1") = "9"
    & skf18("10","7","8","5","7","8","1") = "9"
    & skf18("10","7","8","5","7","9","1") = "9"
    & skf18("10","7","8","5","7","10","1") = "9"
    & skf18("10","7","8","5","8","1","1") = "9"
    & skf18("10","7","8","5","8","2","1") = "9"
    & skf18("10","7","8","5","8","3","1") = "9"
    & skf18("10","7","8","5","8","4","1") = "9"
    & skf18("10","7","8","5","8","5","1") = "9"
    & skf18("10","7","8","5","8","6","1") = "9"
    & skf18("10","7","8","5","8","7","1") = "9"
    & skf18("10","7","8","5","8","8","1") = "9"
    & skf18("10","7","8","5","8","9","1") = "9"
    & skf18("10","7","8","5","8","10","1") = "9"
    & skf18("10","7","8","5","9","1","1") = "9"
    & skf18("10","7","8","5","9","2","1") = "9"
    & skf18("10","7","8","5","9","3","1") = "9"
    & skf18("10","7","8","5","9","4","1") = "9"
    & skf18("10","7","8","5","9","5","1") = "9"
    & skf18("10","7","8","5","9","6","1") = "9"
    & skf18("10","7","8","5","9","7","1") = "9"
    & skf18("10","7","8","5","9","8","1") = "9"
    & skf18("10","7","8","5","9","9","1") = "9"
    & skf18("10","7","8","5","9","10","1") = "9"
    & skf18("10","7","8","5","10","1","1") = "9"
    & skf18("10","7","8","5","10","2","1") = "9"
    & skf18("10","7","8","5","10","3","1") = "9"
    & skf18("10","7","8","5","10","4","1") = "9"
    & skf18("10","7","8","5","10","5","1") = "9"
    & skf18("10","7","8","5","10","6","1") = "9"
    & skf18("10","7","8","5","10","7","1") = "9"
    & skf18("10","7","8","5","10","8","1") = "9"
    & skf18("10","7","8","5","10","9","1") = "9"
    & skf18("10","7","8","5","10","10","1") = "9"
    & skf18("10","7","8","6","1","1","1") = "9"
    & skf18("10","7","8","6","1","2","1") = "9"
    & skf18("10","7","8","6","1","3","1") = "9"
    & skf18("10","7","8","6","1","4","1") = "9"
    & skf18("10","7","8","6","1","5","1") = "9"
    & skf18("10","7","8","6","1","6","1") = "9"
    & skf18("10","7","8","6","1","7","1") = "9"
    & skf18("10","7","8","6","1","8","1") = "9"
    & skf18("10","7","8","6","1","9","1") = "9"
    & skf18("10","7","8","6","1","10","1") = "9"
    & skf18("10","7","8","6","2","1","1") = "9"
    & skf18("10","7","8","6","2","2","1") = "9"
    & skf18("10","7","8","6","2","3","1") = "9"
    & skf18("10","7","8","6","2","4","1") = "9"
    & skf18("10","7","8","6","2","5","1") = "9"
    & skf18("10","7","8","6","2","6","1") = "9"
    & skf18("10","7","8","6","2","7","1") = "9"
    & skf18("10","7","8","6","2","8","1") = "9"
    & skf18("10","7","8","6","2","9","1") = "9"
    & skf18("10","7","8","6","2","10","1") = "9"
    & skf18("10","7","8","6","3","1","1") = "9"
    & skf18("10","7","8","6","3","2","1") = "9"
    & skf18("10","7","8","6","3","3","1") = "9"
    & skf18("10","7","8","6","3","4","1") = "9"
    & skf18("10","7","8","6","3","5","1") = "9"
    & skf18("10","7","8","6","3","6","1") = "9"
    & skf18("10","7","8","6","3","7","1") = "9"
    & skf18("10","7","8","6","3","8","1") = "9"
    & skf18("10","7","8","6","3","9","1") = "9"
    & skf18("10","7","8","6","3","10","1") = "9"
    & skf18("10","7","8","6","4","1","1") = "9"
    & skf18("10","7","8","6","4","2","1") = "9"
    & skf18("10","7","8","6","4","3","1") = "9"
    & skf18("10","7","8","6","4","4","1") = "9"
    & skf18("10","7","8","6","4","5","1") = "9"
    & skf18("10","7","8","6","4","6","1") = "9"
    & skf18("10","7","8","6","4","7","1") = "9"
    & skf18("10","7","8","6","4","8","1") = "9"
    & skf18("10","7","8","6","4","9","1") = "9"
    & skf18("10","7","8","6","4","10","1") = "9"
    & skf18("10","7","8","6","5","1","1") = "9"
    & skf18("10","7","8","6","5","2","1") = "9"
    & skf18("10","7","8","6","5","3","1") = "9"
    & skf18("10","7","8","6","5","4","1") = "9"
    & skf18("10","7","8","6","5","5","1") = "9"
    & skf18("10","7","8","6","5","6","1") = "9"
    & skf18("10","7","8","6","5","7","1") = "9"
    & skf18("10","7","8","6","5","8","1") = "9"
    & skf18("10","7","8","6","5","9","1") = "9"
    & skf18("10","7","8","6","5","10","1") = "9"
    & skf18("10","7","8","6","6","1","1") = "9"
    & skf18("10","7","8","6","6","2","1") = "9"
    & skf18("10","7","8","6","6","3","1") = "9"
    & skf18("10","7","8","6","6","4","1") = "9"
    & skf18("10","7","8","6","6","5","1") = "9"
    & skf18("10","7","8","6","6","6","1") = "9"
    & skf18("10","7","8","6","6","7","1") = "9"
    & skf18("10","7","8","6","6","8","1") = "9"
    & skf18("10","7","8","6","6","9","1") = "9"
    & skf18("10","7","8","6","6","10","1") = "9"
    & skf18("10","7","8","6","7","1","1") = "9"
    & skf18("10","7","8","6","7","2","1") = "9"
    & skf18("10","7","8","6","7","3","1") = "9"
    & skf18("10","7","8","6","7","4","1") = "9"
    & skf18("10","7","8","6","7","5","1") = "9"
    & skf18("10","7","8","6","7","6","1") = "9"
    & skf18("10","7","8","6","7","7","1") = "9"
    & skf18("10","7","8","6","7","8","1") = "9"
    & skf18("10","7","8","6","7","9","1") = "9"
    & skf18("10","7","8","6","7","10","1") = "9"
    & skf18("10","7","8","6","8","1","1") = "9"
    & skf18("10","7","8","6","8","2","1") = "9"
    & skf18("10","7","8","6","8","3","1") = "9"
    & skf18("10","7","8","6","8","4","1") = "9"
    & skf18("10","7","8","6","8","5","1") = "9"
    & skf18("10","7","8","6","8","6","1") = "9"
    & skf18("10","7","8","6","8","7","1") = "9"
    & skf18("10","7","8","6","8","8","1") = "9"
    & skf18("10","7","8","6","8","9","1") = "9"
    & skf18("10","7","8","6","8","10","1") = "9"
    & skf18("10","7","8","6","9","1","1") = "9"
    & skf18("10","7","8","6","9","2","1") = "9"
    & skf18("10","7","8","6","9","3","1") = "9"
    & skf18("10","7","8","6","9","4","1") = "9"
    & skf18("10","7","8","6","9","5","1") = "9"
    & skf18("10","7","8","6","9","6","1") = "9"
    & skf18("10","7","8","6","9","7","1") = "9"
    & skf18("10","7","8","6","9","8","1") = "9"
    & skf18("10","7","8","6","9","9","1") = "9"
    & skf18("10","7","8","6","9","10","1") = "9"
    & skf18("10","7","8","6","10","1","1") = "9"
    & skf18("10","7","8","6","10","2","1") = "9"
    & skf18("10","7","8","6","10","3","1") = "9"
    & skf18("10","7","8","6","10","4","1") = "9"
    & skf18("10","7","8","6","10","5","1") = "9"
    & skf18("10","7","8","6","10","6","1") = "9"
    & skf18("10","7","8","6","10","7","1") = "9"
    & skf18("10","7","8","6","10","8","1") = "9"
    & skf18("10","7","8","6","10","9","1") = "9"
    & skf18("10","7","8","6","10","10","1") = "9"
    & skf18("10","7","8","7","1","1","1") = "9"
    & skf18("10","7","8","7","1","2","1") = "9"
    & skf18("10","7","8","7","1","3","1") = "9"
    & skf18("10","7","8","7","1","4","1") = "9"
    & skf18("10","7","8","7","1","5","1") = "9"
    & skf18("10","7","8","7","1","6","1") = "9"
    & skf18("10","7","8","7","1","7","1") = "9"
    & skf18("10","7","8","7","1","8","1") = "9"
    & skf18("10","7","8","7","1","9","1") = "9"
    & skf18("10","7","8","7","1","10","1") = "9"
    & skf18("10","7","8","7","2","1","1") = "9"
    & skf18("10","7","8","7","2","2","1") = "9"
    & skf18("10","7","8","7","2","3","1") = "9"
    & skf18("10","7","8","7","2","4","1") = "9"
    & skf18("10","7","8","7","2","5","1") = "9"
    & skf18("10","7","8","7","2","6","1") = "9"
    & skf18("10","7","8","7","2","7","1") = "9"
    & skf18("10","7","8","7","2","8","1") = "9"
    & skf18("10","7","8","7","2","9","1") = "9"
    & skf18("10","7","8","7","2","10","1") = "9"
    & skf18("10","7","8","7","3","1","1") = "9"
    & skf18("10","7","8","7","3","2","1") = "9"
    & skf18("10","7","8","7","3","3","1") = "9"
    & skf18("10","7","8","7","3","4","1") = "9"
    & skf18("10","7","8","7","3","5","1") = "9"
    & skf18("10","7","8","7","3","6","1") = "9"
    & skf18("10","7","8","7","3","7","1") = "9"
    & skf18("10","7","8","7","3","8","1") = "9"
    & skf18("10","7","8","7","3","9","1") = "9"
    & skf18("10","7","8","7","3","10","1") = "9"
    & skf18("10","7","8","7","4","1","1") = "9"
    & skf18("10","7","8","7","4","2","1") = "9"
    & skf18("10","7","8","7","4","3","1") = "9"
    & skf18("10","7","8","7","4","4","1") = "9"
    & skf18("10","7","8","7","4","5","1") = "9"
    & skf18("10","7","8","7","4","6","1") = "9"
    & skf18("10","7","8","7","4","7","1") = "9"
    & skf18("10","7","8","7","4","8","1") = "9"
    & skf18("10","7","8","7","4","9","1") = "9"
    & skf18("10","7","8","7","4","10","1") = "9"
    & skf18("10","7","8","7","5","1","1") = "9"
    & skf18("10","7","8","7","5","2","1") = "9"
    & skf18("10","7","8","7","5","3","1") = "9"
    & skf18("10","7","8","7","5","4","1") = "9"
    & skf18("10","7","8","7","5","5","1") = "9"
    & skf18("10","7","8","7","5","6","1") = "9"
    & skf18("10","7","8","7","5","7","1") = "9"
    & skf18("10","7","8","7","5","8","1") = "9"
    & skf18("10","7","8","7","5","9","1") = "9"
    & skf18("10","7","8","7","5","10","1") = "9"
    & skf18("10","7","8","7","6","1","1") = "9"
    & skf18("10","7","8","7","6","2","1") = "9"
    & skf18("10","7","8","7","6","3","1") = "9"
    & skf18("10","7","8","7","6","4","1") = "9"
    & skf18("10","7","8","7","6","5","1") = "9"
    & skf18("10","7","8","7","6","6","1") = "9"
    & skf18("10","7","8","7","6","7","1") = "9"
    & skf18("10","7","8","7","6","8","1") = "9"
    & skf18("10","7","8","7","6","9","1") = "9"
    & skf18("10","7","8","7","6","10","1") = "9"
    & skf18("10","7","8","7","7","1","1") = "9"
    & skf18("10","7","8","7","7","2","1") = "9"
    & skf18("10","7","8","7","7","3","1") = "9"
    & skf18("10","7","8","7","7","4","1") = "9"
    & skf18("10","7","8","7","7","5","1") = "9"
    & skf18("10","7","8","7","7","6","1") = "9"
    & skf18("10","7","8","7","7","7","1") = "9"
    & skf18("10","7","8","7","7","8","1") = "9"
    & skf18("10","7","8","7","7","9","1") = "9"
    & skf18("10","7","8","7","7","10","1") = "9"
    & skf18("10","7","8","7","8","1","1") = "9"
    & skf18("10","7","8","7","8","2","1") = "9"
    & skf18("10","7","8","7","8","3","1") = "9"
    & skf18("10","7","8","7","8","4","1") = "9"
    & skf18("10","7","8","7","8","5","1") = "9"
    & skf18("10","7","8","7","8","6","1") = "9"
    & skf18("10","7","8","7","8","7","1") = "9"
    & skf18("10","7","8","7","8","8","1") = "9"
    & skf18("10","7","8","7","8","9","1") = "9"
    & skf18("10","7","8","7","8","10","1") = "9"
    & skf18("10","7","8","7","9","1","1") = "9"
    & skf18("10","7","8","7","9","2","1") = "9"
    & skf18("10","7","8","7","9","3","1") = "9"
    & skf18("10","7","8","7","9","4","1") = "9"
    & skf18("10","7","8","7","9","5","1") = "9"
    & skf18("10","7","8","7","9","6","1") = "9"
    & skf18("10","7","8","7","9","7","1") = "9"
    & skf18("10","7","8","7","9","8","1") = "9"
    & skf18("10","7","8","7","9","9","1") = "9"
    & skf18("10","7","8","7","9","10","1") = "9"
    & skf18("10","7","8","7","10","1","1") = "9"
    & skf18("10","7","8","7","10","2","1") = "9"
    & skf18("10","7","8","7","10","3","1") = "9"
    & skf18("10","7","8","7","10","4","1") = "9"
    & skf18("10","7","8","7","10","5","1") = "9"
    & skf18("10","7","8","7","10","6","1") = "9"
    & skf18("10","7","8","7","10","7","1") = "9"
    & skf18("10","7","8","7","10","8","1") = "9"
    & skf18("10","7","8","7","10","9","1") = "9"
    & skf18("10","7","8","7","10","10","1") = "9"
    & skf18("10","7","8","8","1","1","1") = "9"
    & skf18("10","7","8","8","1","2","1") = "9"
    & skf18("10","7","8","8","1","3","1") = "9"
    & skf18("10","7","8","8","1","4","1") = "9"
    & skf18("10","7","8","8","1","5","1") = "9"
    & skf18("10","7","8","8","1","6","1") = "9"
    & skf18("10","7","8","8","1","7","1") = "9"
    & skf18("10","7","8","8","1","8","1") = "9"
    & skf18("10","7","8","8","1","9","1") = "9"
    & skf18("10","7","8","8","1","10","1") = "9"
    & skf18("10","7","8","8","2","1","1") = "9"
    & skf18("10","7","8","8","2","2","1") = "9"
    & skf18("10","7","8","8","2","3","1") = "9"
    & skf18("10","7","8","8","2","4","1") = "9"
    & skf18("10","7","8","8","2","5","1") = "9"
    & skf18("10","7","8","8","2","6","1") = "9"
    & skf18("10","7","8","8","2","7","1") = "9"
    & skf18("10","7","8","8","2","8","1") = "9"
    & skf18("10","7","8","8","2","9","1") = "9"
    & skf18("10","7","8","8","2","10","1") = "9"
    & skf18("10","7","8","8","3","1","1") = "9"
    & skf18("10","7","8","8","3","2","1") = "9"
    & skf18("10","7","8","8","3","3","1") = "9"
    & skf18("10","7","8","8","3","4","1") = "9"
    & skf18("10","7","8","8","3","5","1") = "9"
    & skf18("10","7","8","8","3","6","1") = "9"
    & skf18("10","7","8","8","3","7","1") = "9"
    & skf18("10","7","8","8","3","8","1") = "9"
    & skf18("10","7","8","8","3","9","1") = "9"
    & skf18("10","7","8","8","3","10","1") = "9"
    & skf18("10","7","8","8","4","1","1") = "9"
    & skf18("10","7","8","8","4","2","1") = "9"
    & skf18("10","7","8","8","4","3","1") = "9"
    & skf18("10","7","8","8","4","4","1") = "9"
    & skf18("10","7","8","8","4","5","1") = "9"
    & skf18("10","7","8","8","4","6","1") = "9"
    & skf18("10","7","8","8","4","7","1") = "9"
    & skf18("10","7","8","8","4","8","1") = "9"
    & skf18("10","7","8","8","4","9","1") = "9"
    & skf18("10","7","8","8","4","10","1") = "9"
    & skf18("10","7","8","8","5","1","1") = "9"
    & skf18("10","7","8","8","5","2","1") = "9"
    & skf18("10","7","8","8","5","3","1") = "9"
    & skf18("10","7","8","8","5","4","1") = "9"
    & skf18("10","7","8","8","5","5","1") = "9"
    & skf18("10","7","8","8","5","6","1") = "9"
    & skf18("10","7","8","8","5","7","1") = "9"
    & skf18("10","7","8","8","5","8","1") = "9"
    & skf18("10","7","8","8","5","9","1") = "9"
    & skf18("10","7","8","8","5","10","1") = "9"
    & skf18("10","7","8","8","6","1","1") = "9"
    & skf18("10","7","8","8","6","2","1") = "9"
    & skf18("10","7","8","8","6","3","1") = "9"
    & skf18("10","7","8","8","6","4","1") = "9"
    & skf18("10","7","8","8","6","5","1") = "9"
    & skf18("10","7","8","8","6","6","1") = "9"
    & skf18("10","7","8","8","6","7","1") = "9"
    & skf18("10","7","8","8","6","8","1") = "9"
    & skf18("10","7","8","8","6","9","1") = "9"
    & skf18("10","7","8","8","6","10","1") = "9"
    & skf18("10","7","8","8","7","1","1") = "9"
    & skf18("10","7","8","8","7","2","1") = "9"
    & skf18("10","7","8","8","7","3","1") = "9"
    & skf18("10","7","8","8","7","4","1") = "9"
    & skf18("10","7","8","8","7","5","1") = "9"
    & skf18("10","7","8","8","7","6","1") = "9"
    & skf18("10","7","8","8","7","7","1") = "9"
    & skf18("10","7","8","8","7","8","1") = "9"
    & skf18("10","7","8","8","7","9","1") = "9"
    & skf18("10","7","8","8","7","10","1") = "9"
    & skf18("10","7","8","8","8","1","1") = "9"
    & skf18("10","7","8","8","8","2","1") = "9"
    & skf18("10","7","8","8","8","3","1") = "9"
    & skf18("10","7","8","8","8","4","1") = "9"
    & skf18("10","7","8","8","8","5","1") = "9"
    & skf18("10","7","8","8","8","6","1") = "9"
    & skf18("10","7","8","8","8","7","1") = "9"
    & skf18("10","7","8","8","8","8","1") = "9"
    & skf18("10","7","8","8","8","9","1") = "9"
    & skf18("10","7","8","8","8","10","1") = "9"
    & skf18("10","7","8","8","9","1","1") = "9"
    & skf18("10","7","8","8","9","2","1") = "9"
    & skf18("10","7","8","8","9","3","1") = "9"
    & skf18("10","7","8","8","9","4","1") = "9"
    & skf18("10","7","8","8","9","5","1") = "9"
    & skf18("10","7","8","8","9","6","1") = "9"
    & skf18("10","7","8","8","9","7","1") = "9"
    & skf18("10","7","8","8","9","8","1") = "9"
    & skf18("10","7","8","8","9","9","1") = "9"
    & skf18("10","7","8","8","9","10","1") = "9"
    & skf18("10","7","8","8","10","1","1") = "9"
    & skf18("10","7","8","8","10","2","1") = "9"
    & skf18("10","7","8","8","10","3","1") = "9"
    & skf18("10","7","8","8","10","4","1") = "9"
    & skf18("10","7","8","8","10","5","1") = "9"
    & skf18("10","7","8","8","10","6","1") = "9"
    & skf18("10","7","8","8","10","7","1") = "9"
    & skf18("10","7","8","8","10","8","1") = "9"
    & skf18("10","7","8","8","10","9","1") = "9"
    & skf18("10","7","8","8","10","10","1") = "9"
    & skf18("10","7","8","9","1","1","1") = "9"
    & skf18("10","7","8","9","1","2","1") = "9"
    & skf18("10","7","8","9","1","3","1") = "9"
    & skf18("10","7","8","9","1","4","1") = "9"
    & skf18("10","7","8","9","1","5","1") = "9"
    & skf18("10","7","8","9","1","6","1") = "9"
    & skf18("10","7","8","9","1","7","1") = "9"
    & skf18("10","7","8","9","1","8","1") = "9"
    & skf18("10","7","8","9","1","9","1") = "9"
    & skf18("10","7","8","9","1","10","1") = "9"
    & skf18("10","7","8","9","2","1","1") = "9"
    & skf18("10","7","8","9","2","2","1") = "9"
    & skf18("10","7","8","9","2","3","1") = "9"
    & skf18("10","7","8","9","2","4","1") = "9"
    & skf18("10","7","8","9","2","5","1") = "9"
    & skf18("10","7","8","9","2","6","1") = "9"
    & skf18("10","7","8","9","2","7","1") = "9"
    & skf18("10","7","8","9","2","8","1") = "9"
    & skf18("10","7","8","9","2","9","1") = "9"
    & skf18("10","7","8","9","2","10","1") = "9"
    & skf18("10","7","8","9","3","1","1") = "9"
    & skf18("10","7","8","9","3","2","1") = "9"
    & skf18("10","7","8","9","3","3","1") = "9"
    & skf18("10","7","8","9","3","4","1") = "9"
    & skf18("10","7","8","9","3","5","1") = "9"
    & skf18("10","7","8","9","3","6","1") = "9"
    & skf18("10","7","8","9","3","7","1") = "9"
    & skf18("10","7","8","9","3","8","1") = "9"
    & skf18("10","7","8","9","3","9","1") = "9"
    & skf18("10","7","8","9","3","10","1") = "9"
    & skf18("10","7","8","9","4","1","1") = "9"
    & skf18("10","7","8","9","4","2","1") = "9"
    & skf18("10","7","8","9","4","3","1") = "9"
    & skf18("10","7","8","9","4","4","1") = "9"
    & skf18("10","7","8","9","4","5","1") = "9"
    & skf18("10","7","8","9","4","6","1") = "9"
    & skf18("10","7","8","9","4","7","1") = "9"
    & skf18("10","7","8","9","4","8","1") = "9"
    & skf18("10","7","8","9","4","9","1") = "9"
    & skf18("10","7","8","9","4","10","1") = "9"
    & skf18("10","7","8","9","5","1","1") = "9"
    & skf18("10","7","8","9","5","2","1") = "9"
    & skf18("10","7","8","9","5","3","1") = "9"
    & skf18("10","7","8","9","5","4","1") = "9"
    & skf18("10","7","8","9","5","5","1") = "9"
    & skf18("10","7","8","9","5","6","1") = "9"
    & skf18("10","7","8","9","5","7","1") = "9"
    & skf18("10","7","8","9","5","8","1") = "9"
    & skf18("10","7","8","9","5","9","1") = "9"
    & skf18("10","7","8","9","5","10","1") = "9"
    & skf18("10","7","8","9","6","1","1") = "9"
    & skf18("10","7","8","9","6","2","1") = "9"
    & skf18("10","7","8","9","6","3","1") = "9"
    & skf18("10","7","8","9","6","4","1") = "9"
    & skf18("10","7","8","9","6","5","1") = "9"
    & skf18("10","7","8","9","6","6","1") = "9"
    & skf18("10","7","8","9","6","7","1") = "9"
    & skf18("10","7","8","9","6","8","1") = "9"
    & skf18("10","7","8","9","6","9","1") = "9"
    & skf18("10","7","8","9","6","10","1") = "9"
    & skf18("10","7","8","9","7","1","1") = "9"
    & skf18("10","7","8","9","7","2","1") = "9"
    & skf18("10","7","8","9","7","3","1") = "9"
    & skf18("10","7","8","9","7","4","1") = "9"
    & skf18("10","7","8","9","7","5","1") = "9"
    & skf18("10","7","8","9","7","6","1") = "9"
    & skf18("10","7","8","9","7","7","1") = "9"
    & skf18("10","7","8","9","7","8","1") = "9"
    & skf18("10","7","8","9","7","9","1") = "9"
    & skf18("10","7","8","9","7","10","1") = "9"
    & skf18("10","7","8","9","8","1","1") = "9"
    & skf18("10","7","8","9","8","2","1") = "9"
    & skf18("10","7","8","9","8","3","1") = "9"
    & skf18("10","7","8","9","8","4","1") = "9"
    & skf18("10","7","8","9","8","5","1") = "9"
    & skf18("10","7","8","9","8","6","1") = "9"
    & skf18("10","7","8","9","8","7","1") = "9"
    & skf18("10","7","8","9","8","8","1") = "9"
    & skf18("10","7","8","9","8","9","1") = "9"
    & skf18("10","7","8","9","8","10","1") = "9"
    & skf18("10","7","8","9","9","1","1") = "9"
    & skf18("10","7","8","9","9","2","1") = "9"
    & skf18("10","7","8","9","9","3","1") = "9"
    & skf18("10","7","8","9","9","4","1") = "9"
    & skf18("10","7","8","9","9","5","1") = "9"
    & skf18("10","7","8","9","9","6","1") = "9"
    & skf18("10","7","8","9","9","7","1") = "9"
    & skf18("10","7","8","9","9","8","1") = "9"
    & skf18("10","7","8","9","9","9","1") = "9"
    & skf18("10","7","8","9","9","10","1") = "9"
    & skf18("10","7","8","9","10","1","1") = "9"
    & skf18("10","7","8","9","10","2","1") = "9"
    & skf18("10","7","8","9","10","3","1") = "9"
    & skf18("10","7","8","9","10","4","1") = "9"
    & skf18("10","7","8","9","10","5","1") = "9"
    & skf18("10","7","8","9","10","6","1") = "9"
    & skf18("10","7","8","9","10","7","1") = "9"
    & skf18("10","7","8","9","10","8","1") = "9"
    & skf18("10","7","8","9","10","9","1") = "9"
    & skf18("10","7","8","9","10","10","1") = "9"
    & skf18("10","7","8","10","1","1","1") = "9"
    & skf18("10","7","8","10","1","2","1") = "9"
    & skf18("10","7","8","10","1","3","1") = "9"
    & skf18("10","7","8","10","1","4","1") = "9"
    & skf18("10","7","8","10","1","5","1") = "9"
    & skf18("10","7","8","10","1","6","1") = "9"
    & skf18("10","7","8","10","1","7","1") = "9"
    & skf18("10","7","8","10","1","8","1") = "9"
    & skf18("10","7","8","10","1","9","1") = "9"
    & skf18("10","7","8","10","1","10","1") = "9"
    & skf18("10","7","8","10","2","1","1") = "9"
    & skf18("10","7","8","10","2","2","1") = "9"
    & skf18("10","7","8","10","2","3","1") = "9"
    & skf18("10","7","8","10","2","4","1") = "9"
    & skf18("10","7","8","10","2","5","1") = "9"
    & skf18("10","7","8","10","2","6","1") = "9"
    & skf18("10","7","8","10","2","7","1") = "9"
    & skf18("10","7","8","10","2","8","1") = "9"
    & skf18("10","7","8","10","2","9","1") = "9"
    & skf18("10","7","8","10","2","10","1") = "9"
    & skf18("10","7","8","10","3","1","1") = "9"
    & skf18("10","7","8","10","3","2","1") = "9"
    & skf18("10","7","8","10","3","3","1") = "9"
    & skf18("10","7","8","10","3","4","1") = "9"
    & skf18("10","7","8","10","3","5","1") = "9"
    & skf18("10","7","8","10","3","6","1") = "9"
    & skf18("10","7","8","10","3","7","1") = "9"
    & skf18("10","7","8","10","3","8","1") = "9"
    & skf18("10","7","8","10","3","9","1") = "9"
    & skf18("10","7","8","10","3","10","1") = "9"
    & skf18("10","7","8","10","4","1","1") = "9"
    & skf18("10","7","8","10","4","2","1") = "9"
    & skf18("10","7","8","10","4","3","1") = "9"
    & skf18("10","7","8","10","4","4","1") = "9"
    & skf18("10","7","8","10","4","5","1") = "9"
    & skf18("10","7","8","10","4","6","1") = "9"
    & skf18("10","7","8","10","4","7","1") = "9"
    & skf18("10","7","8","10","4","8","1") = "9"
    & skf18("10","7","8","10","4","9","1") = "9"
    & skf18("10","7","8","10","4","10","1") = "9"
    & skf18("10","7","8","10","5","1","1") = "9"
    & skf18("10","7","8","10","5","2","1") = "9"
    & skf18("10","7","8","10","5","3","1") = "9"
    & skf18("10","7","8","10","5","4","1") = "9"
    & skf18("10","7","8","10","5","5","1") = "9"
    & skf18("10","7","8","10","5","6","1") = "9"
    & skf18("10","7","8","10","5","7","1") = "9"
    & skf18("10","7","8","10","5","8","1") = "9"
    & skf18("10","7","8","10","5","9","1") = "9"
    & skf18("10","7","8","10","5","10","1") = "9"
    & skf18("10","7","8","10","6","1","1") = "9"
    & skf18("10","7","8","10","6","2","1") = "9"
    & skf18("10","7","8","10","6","3","1") = "9"
    & skf18("10","7","8","10","6","4","1") = "9"
    & skf18("10","7","8","10","6","5","1") = "9"
    & skf18("10","7","8","10","6","6","1") = "9"
    & skf18("10","7","8","10","6","7","1") = "9"
    & skf18("10","7","8","10","6","8","1") = "9"
    & skf18("10","7","8","10","6","9","1") = "9"
    & skf18("10","7","8","10","6","10","1") = "9"
    & skf18("10","7","8","10","7","1","1") = "9"
    & skf18("10","7","8","10","7","2","1") = "9"
    & skf18("10","7","8","10","7","3","1") = "9"
    & skf18("10","7","8","10","7","4","1") = "9"
    & skf18("10","7","8","10","7","5","1") = "9"
    & skf18("10","7","8","10","7","6","1") = "9"
    & skf18("10","7","8","10","7","7","1") = "9"
    & skf18("10","7","8","10","7","8","1") = "9"
    & skf18("10","7","8","10","7","9","1") = "9"
    & skf18("10","7","8","10","7","10","1") = "9"
    & skf18("10","7","8","10","8","1","1") = "9"
    & skf18("10","7","8","10","8","2","1") = "9"
    & skf18("10","7","8","10","8","3","1") = "9"
    & skf18("10","7","8","10","8","4","1") = "9"
    & skf18("10","7","8","10","8","5","1") = "9"
    & skf18("10","7","8","10","8","6","1") = "9"
    & skf18("10","7","8","10","8","7","1") = "9"
    & skf18("10","7","8","10","8","8","1") = "9"
    & skf18("10","7","8","10","8","9","1") = "9"
    & skf18("10","7","8","10","8","10","1") = "9"
    & skf18("10","7","8","10","9","1","1") = "9"
    & skf18("10","7","8","10","9","2","1") = "9"
    & skf18("10","7","8","10","9","3","1") = "9"
    & skf18("10","7","8","10","9","4","1") = "9"
    & skf18("10","7","8","10","9","5","1") = "9"
    & skf18("10","7","8","10","9","6","1") = "9"
    & skf18("10","7","8","10","9","7","1") = "9"
    & skf18("10","7","8","10","9","8","1") = "9"
    & skf18("10","7","8","10","9","9","1") = "9"
    & skf18("10","7","8","10","9","10","1") = "9"
    & skf18("10","7","8","10","10","1","1") = "9"
    & skf18("10","7","8","10","10","2","1") = "9"
    & skf18("10","7","8","10","10","3","1") = "9"
    & skf18("10","7","8","10","10","4","1") = "9"
    & skf18("10","7","8","10","10","5","1") = "9"
    & skf18("10","7","8","10","10","6","1") = "9"
    & skf18("10","7","8","10","10","7","1") = "9"
    & skf18("10","7","8","10","10","8","1") = "9"
    & skf18("10","7","8","10","10","9","1") = "9"
    & skf18("10","7","8","10","10","10","1") = "9"
    & skf18("10","7","9","1","1","1","1") = "9"
    & skf18("10","7","9","1","1","2","1") = "9"
    & skf18("10","7","9","1","1","3","1") = "9"
    & skf18("10","7","9","1","1","4","1") = "9"
    & skf18("10","7","9","1","1","5","1") = "9"
    & skf18("10","7","9","1","1","6","1") = "9"
    & skf18("10","7","9","1","1","7","1") = "9"
    & skf18("10","7","9","1","1","8","1") = "9"
    & skf18("10","7","9","1","1","9","1") = "9"
    & skf18("10","7","9","1","1","10","1") = "9"
    & skf18("10","7","9","1","2","1","1") = "9"
    & skf18("10","7","9","1","2","2","1") = "9"
    & skf18("10","7","9","1","2","3","1") = "9"
    & skf18("10","7","9","1","2","4","1") = "9"
    & skf18("10","7","9","1","2","5","1") = "9"
    & skf18("10","7","9","1","2","6","1") = "9"
    & skf18("10","7","9","1","2","7","1") = "9"
    & skf18("10","7","9","1","2","8","1") = "9"
    & skf18("10","7","9","1","2","9","1") = "9"
    & skf18("10","7","9","1","2","10","1") = "9"
    & skf18("10","7","9","1","3","1","1") = "9"
    & skf18("10","7","9","1","3","2","1") = "9"
    & skf18("10","7","9","1","3","3","1") = "9"
    & skf18("10","7","9","1","3","4","1") = "9"
    & skf18("10","7","9","1","3","5","1") = "9"
    & skf18("10","7","9","1","3","6","1") = "9"
    & skf18("10","7","9","1","3","7","1") = "9"
    & skf18("10","7","9","1","3","8","1") = "9"
    & skf18("10","7","9","1","3","9","1") = "9"
    & skf18("10","7","9","1","3","10","1") = "9"
    & skf18("10","7","9","1","4","1","1") = "9"
    & skf18("10","7","9","1","4","2","1") = "9"
    & skf18("10","7","9","1","4","3","1") = "9"
    & skf18("10","7","9","1","4","4","1") = "9"
    & skf18("10","7","9","1","4","5","1") = "9"
    & skf18("10","7","9","1","4","6","1") = "9"
    & skf18("10","7","9","1","4","7","1") = "9"
    & skf18("10","7","9","1","4","8","1") = "9"
    & skf18("10","7","9","1","4","9","1") = "9"
    & skf18("10","7","9","1","4","10","1") = "9"
    & skf18("10","7","9","1","5","1","1") = "9"
    & skf18("10","7","9","1","5","2","1") = "9"
    & skf18("10","7","9","1","5","3","1") = "9"
    & skf18("10","7","9","1","5","4","1") = "9"
    & skf18("10","7","9","1","5","5","1") = "9"
    & skf18("10","7","9","1","5","6","1") = "9"
    & skf18("10","7","9","1","5","7","1") = "9"
    & skf18("10","7","9","1","5","8","1") = "9"
    & skf18("10","7","9","1","5","9","1") = "9"
    & skf18("10","7","9","1","5","10","1") = "9"
    & skf18("10","7","9","1","6","1","1") = "9"
    & skf18("10","7","9","1","6","2","1") = "9"
    & skf18("10","7","9","1","6","3","1") = "9"
    & skf18("10","7","9","1","6","4","1") = "9"
    & skf18("10","7","9","1","6","5","1") = "9"
    & skf18("10","7","9","1","6","6","1") = "9"
    & skf18("10","7","9","1","6","7","1") = "9"
    & skf18("10","7","9","1","6","8","1") = "9"
    & skf18("10","7","9","1","6","9","1") = "9"
    & skf18("10","7","9","1","6","10","1") = "9"
    & skf18("10","7","9","1","7","1","1") = "9"
    & skf18("10","7","9","1","7","2","1") = "9"
    & skf18("10","7","9","1","7","3","1") = "9"
    & skf18("10","7","9","1","7","4","1") = "9"
    & skf18("10","7","9","1","7","5","1") = "9"
    & skf18("10","7","9","1","7","6","1") = "9"
    & skf18("10","7","9","1","7","7","1") = "9"
    & skf18("10","7","9","1","7","8","1") = "9"
    & skf18("10","7","9","1","7","9","1") = "9"
    & skf18("10","7","9","1","7","10","1") = "9"
    & skf18("10","7","9","1","8","1","1") = "9"
    & skf18("10","7","9","1","8","2","1") = "9"
    & skf18("10","7","9","1","8","3","1") = "9"
    & skf18("10","7","9","1","8","4","1") = "9"
    & skf18("10","7","9","1","8","5","1") = "9"
    & skf18("10","7","9","1","8","6","1") = "9"
    & skf18("10","7","9","1","8","7","1") = "9"
    & skf18("10","7","9","1","8","8","1") = "9"
    & skf18("10","7","9","1","8","9","1") = "9"
    & skf18("10","7","9","1","8","10","1") = "9"
    & skf18("10","7","9","1","9","1","1") = "9"
    & skf18("10","7","9","1","9","2","1") = "9"
    & skf18("10","7","9","1","9","3","1") = "9"
    & skf18("10","7","9","1","9","4","1") = "9"
    & skf18("10","7","9","1","9","5","1") = "9"
    & skf18("10","7","9","1","9","6","1") = "9"
    & skf18("10","7","9","1","9","7","1") = "9"
    & skf18("10","7","9","1","9","8","1") = "9"
    & skf18("10","7","9","1","9","9","1") = "9"
    & skf18("10","7","9","1","9","10","1") = "9"
    & skf18("10","7","9","1","10","1","1") = "9"
    & skf18("10","7","9","1","10","2","1") = "9"
    & skf18("10","7","9","1","10","3","1") = "9"
    & skf18("10","7","9","1","10","4","1") = "9"
    & skf18("10","7","9","1","10","5","1") = "9"
    & skf18("10","7","9","1","10","6","1") = "9"
    & skf18("10","7","9","1","10","7","1") = "9"
    & skf18("10","7","9","1","10","8","1") = "9"
    & skf18("10","7","9","1","10","9","1") = "9"
    & skf18("10","7","9","1","10","10","1") = "9"
    & skf18("10","7","9","2","1","1","1") = "9"
    & skf18("10","7","9","2","1","2","1") = "9"
    & skf18("10","7","9","2","1","3","1") = "9"
    & skf18("10","7","9","2","1","4","1") = "9"
    & skf18("10","7","9","2","1","5","1") = "9"
    & skf18("10","7","9","2","1","6","1") = "9"
    & skf18("10","7","9","2","1","7","1") = "9"
    & skf18("10","7","9","2","1","8","1") = "9"
    & skf18("10","7","9","2","1","9","1") = "9"
    & skf18("10","7","9","2","1","10","1") = "9"
    & skf18("10","7","9","2","2","1","1") = "9"
    & skf18("10","7","9","2","2","2","1") = "9"
    & skf18("10","7","9","2","2","3","1") = "9"
    & skf18("10","7","9","2","2","4","1") = "9"
    & skf18("10","7","9","2","2","5","1") = "9"
    & skf18("10","7","9","2","2","6","1") = "9"
    & skf18("10","7","9","2","2","7","1") = "9"
    & skf18("10","7","9","2","2","8","1") = "9"
    & skf18("10","7","9","2","2","9","1") = "9"
    & skf18("10","7","9","2","2","10","1") = "9"
    & skf18("10","7","9","2","3","1","1") = "9"
    & skf18("10","7","9","2","3","2","1") = "9"
    & skf18("10","7","9","2","3","3","1") = "9"
    & skf18("10","7","9","2","3","4","1") = "9"
    & skf18("10","7","9","2","3","5","1") = "9"
    & skf18("10","7","9","2","3","6","1") = "9"
    & skf18("10","7","9","2","3","7","1") = "9"
    & skf18("10","7","9","2","3","8","1") = "9"
    & skf18("10","7","9","2","3","9","1") = "9"
    & skf18("10","7","9","2","3","10","1") = "9"
    & skf18("10","7","9","2","4","1","1") = "9"
    & skf18("10","7","9","2","4","2","1") = "9"
    & skf18("10","7","9","2","4","3","1") = "9"
    & skf18("10","7","9","2","4","4","1") = "9"
    & skf18("10","7","9","2","4","5","1") = "9"
    & skf18("10","7","9","2","4","6","1") = "9"
    & skf18("10","7","9","2","4","7","1") = "9"
    & skf18("10","7","9","2","4","8","1") = "9"
    & skf18("10","7","9","2","4","9","1") = "9"
    & skf18("10","7","9","2","4","10","1") = "9"
    & skf18("10","7","9","2","5","1","1") = "9"
    & skf18("10","7","9","2","5","2","1") = "9"
    & skf18("10","7","9","2","5","3","1") = "9"
    & skf18("10","7","9","2","5","4","1") = "9"
    & skf18("10","7","9","2","5","5","1") = "9"
    & skf18("10","7","9","2","5","6","1") = "9"
    & skf18("10","7","9","2","5","7","1") = "9"
    & skf18("10","7","9","2","5","8","1") = "9"
    & skf18("10","7","9","2","5","9","1") = "9"
    & skf18("10","7","9","2","5","10","1") = "9"
    & skf18("10","7","9","2","6","1","1") = "9"
    & skf18("10","7","9","2","6","2","1") = "9"
    & skf18("10","7","9","2","6","3","1") = "9"
    & skf18("10","7","9","2","6","4","1") = "9"
    & skf18("10","7","9","2","6","5","1") = "9"
    & skf18("10","7","9","2","6","6","1") = "9"
    & skf18("10","7","9","2","6","7","1") = "9"
    & skf18("10","7","9","2","6","8","1") = "9"
    & skf18("10","7","9","2","6","9","1") = "9"
    & skf18("10","7","9","2","6","10","1") = "9"
    & skf18("10","7","9","2","7","1","1") = "9"
    & skf18("10","7","9","2","7","2","1") = "9"
    & skf18("10","7","9","2","7","3","1") = "9"
    & skf18("10","7","9","2","7","4","1") = "9"
    & skf18("10","7","9","2","7","5","1") = "9"
    & skf18("10","7","9","2","7","6","1") = "9"
    & skf18("10","7","9","2","7","7","1") = "9"
    & skf18("10","7","9","2","7","8","1") = "9"
    & skf18("10","7","9","2","7","9","1") = "9"
    & skf18("10","7","9","2","7","10","1") = "9"
    & skf18("10","7","9","2","8","1","1") = "9"
    & skf18("10","7","9","2","8","2","1") = "9"
    & skf18("10","7","9","2","8","3","1") = "9"
    & skf18("10","7","9","2","8","4","1") = "9"
    & skf18("10","7","9","2","8","5","1") = "9"
    & skf18("10","7","9","2","8","6","1") = "9"
    & skf18("10","7","9","2","8","7","1") = "9"
    & skf18("10","7","9","2","8","8","1") = "9"
    & skf18("10","7","9","2","8","9","1") = "9"
    & skf18("10","7","9","2","8","10","1") = "9"
    & skf18("10","7","9","2","9","1","1") = "9"
    & skf18("10","7","9","2","9","2","1") = "9"
    & skf18("10","7","9","2","9","3","1") = "9"
    & skf18("10","7","9","2","9","4","1") = "9"
    & skf18("10","7","9","2","9","5","1") = "9"
    & skf18("10","7","9","2","9","6","1") = "9"
    & skf18("10","7","9","2","9","7","1") = "9"
    & skf18("10","7","9","2","9","8","1") = "9"
    & skf18("10","7","9","2","9","9","1") = "9"
    & skf18("10","7","9","2","9","10","1") = "9"
    & skf18("10","7","9","2","10","1","1") = "9"
    & skf18("10","7","9","2","10","2","1") = "9"
    & skf18("10","7","9","2","10","3","1") = "9"
    & skf18("10","7","9","2","10","4","1") = "9"
    & skf18("10","7","9","2","10","5","1") = "9"
    & skf18("10","7","9","2","10","6","1") = "9"
    & skf18("10","7","9","2","10","7","1") = "9"
    & skf18("10","7","9","2","10","8","1") = "9"
    & skf18("10","7","9","2","10","9","1") = "9"
    & skf18("10","7","9","2","10","10","1") = "9"
    & skf18("10","7","9","3","1","1","1") = "9"
    & skf18("10","7","9","3","1","2","1") = "9"
    & skf18("10","7","9","3","1","3","1") = "9"
    & skf18("10","7","9","3","1","4","1") = "9"
    & skf18("10","7","9","3","1","5","1") = "9"
    & skf18("10","7","9","3","1","6","1") = "9"
    & skf18("10","7","9","3","1","7","1") = "9"
    & skf18("10","7","9","3","1","8","1") = "9"
    & skf18("10","7","9","3","1","9","1") = "9"
    & skf18("10","7","9","3","1","10","1") = "9"
    & skf18("10","7","9","3","2","1","1") = "9"
    & skf18("10","7","9","3","2","2","1") = "9"
    & skf18("10","7","9","3","2","3","1") = "9"
    & skf18("10","7","9","3","2","4","1") = "9"
    & skf18("10","7","9","3","2","5","1") = "9"
    & skf18("10","7","9","3","2","6","1") = "9"
    & skf18("10","7","9","3","2","7","1") = "9"
    & skf18("10","7","9","3","2","8","1") = "9"
    & skf18("10","7","9","3","2","9","1") = "9"
    & skf18("10","7","9","3","2","10","1") = "9"
    & skf18("10","7","9","3","3","1","1") = "9"
    & skf18("10","7","9","3","3","2","1") = "9"
    & skf18("10","7","9","3","3","3","1") = "9"
    & skf18("10","7","9","3","3","4","1") = "9"
    & skf18("10","7","9","3","3","5","1") = "9"
    & skf18("10","7","9","3","3","6","1") = "9"
    & skf18("10","7","9","3","3","7","1") = "9"
    & skf18("10","7","9","3","3","8","1") = "9"
    & skf18("10","7","9","3","3","9","1") = "9"
    & skf18("10","7","9","3","3","10","1") = "9"
    & skf18("10","7","9","3","4","1","1") = "9"
    & skf18("10","7","9","3","4","2","1") = "9"
    & skf18("10","7","9","3","4","3","1") = "9"
    & skf18("10","7","9","3","4","4","1") = "9"
    & skf18("10","7","9","3","4","5","1") = "9"
    & skf18("10","7","9","3","4","6","1") = "9"
    & skf18("10","7","9","3","4","7","1") = "9"
    & skf18("10","7","9","3","4","8","1") = "9"
    & skf18("10","7","9","3","4","9","1") = "9"
    & skf18("10","7","9","3","4","10","1") = "9"
    & skf18("10","7","9","3","5","1","1") = "9"
    & skf18("10","7","9","3","5","2","1") = "9"
    & skf18("10","7","9","3","5","3","1") = "9"
    & skf18("10","7","9","3","5","4","1") = "9"
    & skf18("10","7","9","3","5","5","1") = "9"
    & skf18("10","7","9","3","5","6","1") = "9"
    & skf18("10","7","9","3","5","7","1") = "9"
    & skf18("10","7","9","3","5","8","1") = "9"
    & skf18("10","7","9","3","5","9","1") = "9"
    & skf18("10","7","9","3","5","10","1") = "9"
    & skf18("10","7","9","3","6","1","1") = "9"
    & skf18("10","7","9","3","6","2","1") = "9"
    & skf18("10","7","9","3","6","3","1") = "9"
    & skf18("10","7","9","3","6","4","1") = "9"
    & skf18("10","7","9","3","6","5","1") = "9"
    & skf18("10","7","9","3","6","6","1") = "9"
    & skf18("10","7","9","3","6","7","1") = "9"
    & skf18("10","7","9","3","6","8","1") = "9"
    & skf18("10","7","9","3","6","9","1") = "9"
    & skf18("10","7","9","3","6","10","1") = "9"
    & skf18("10","7","9","3","7","1","1") = "9"
    & skf18("10","7","9","3","7","2","1") = "9"
    & skf18("10","7","9","3","7","3","1") = "9"
    & skf18("10","7","9","3","7","4","1") = "9"
    & skf18("10","7","9","3","7","5","1") = "9"
    & skf18("10","7","9","3","7","6","1") = "9"
    & skf18("10","7","9","3","7","7","1") = "9"
    & skf18("10","7","9","3","7","8","1") = "9"
    & skf18("10","7","9","3","7","9","1") = "9"
    & skf18("10","7","9","3","7","10","1") = "9"
    & skf18("10","7","9","3","8","1","1") = "9"
    & skf18("10","7","9","3","8","2","1") = "9"
    & skf18("10","7","9","3","8","3","1") = "9"
    & skf18("10","7","9","3","8","4","1") = "9"
    & skf18("10","7","9","3","8","5","1") = "9"
    & skf18("10","7","9","3","8","6","1") = "9"
    & skf18("10","7","9","3","8","7","1") = "9"
    & skf18("10","7","9","3","8","8","1") = "9"
    & skf18("10","7","9","3","8","9","1") = "9"
    & skf18("10","7","9","3","8","10","1") = "9"
    & skf18("10","7","9","3","9","1","1") = "9"
    & skf18("10","7","9","3","9","2","1") = "9"
    & skf18("10","7","9","3","9","3","1") = "9"
    & skf18("10","7","9","3","9","4","1") = "9"
    & skf18("10","7","9","3","9","5","1") = "9"
    & skf18("10","7","9","3","9","6","1") = "9"
    & skf18("10","7","9","3","9","7","1") = "9"
    & skf18("10","7","9","3","9","8","1") = "9"
    & skf18("10","7","9","3","9","9","1") = "9"
    & skf18("10","7","9","3","9","10","1") = "9"
    & skf18("10","7","9","3","10","1","1") = "9"
    & skf18("10","7","9","3","10","2","1") = "9"
    & skf18("10","7","9","3","10","3","1") = "9"
    & skf18("10","7","9","3","10","4","1") = "9"
    & skf18("10","7","9","3","10","5","1") = "9"
    & skf18("10","7","9","3","10","6","1") = "9"
    & skf18("10","7","9","3","10","7","1") = "9"
    & skf18("10","7","9","3","10","8","1") = "9"
    & skf18("10","7","9","3","10","9","1") = "9"
    & skf18("10","7","9","3","10","10","1") = "9"
    & skf18("10","7","9","4","1","1","1") = "9"
    & skf18("10","7","9","4","1","2","1") = "9"
    & skf18("10","7","9","4","1","3","1") = "9"
    & skf18("10","7","9","4","1","4","1") = "9"
    & skf18("10","7","9","4","1","5","1") = "9"
    & skf18("10","7","9","4","1","6","1") = "9"
    & skf18("10","7","9","4","1","7","1") = "9"
    & skf18("10","7","9","4","1","8","1") = "9"
    & skf18("10","7","9","4","1","9","1") = "9"
    & skf18("10","7","9","4","1","10","1") = "9"
    & skf18("10","7","9","4","2","1","1") = "9"
    & skf18("10","7","9","4","2","2","1") = "9"
    & skf18("10","7","9","4","2","3","1") = "9"
    & skf18("10","7","9","4","2","4","1") = "9"
    & skf18("10","7","9","4","2","5","1") = "9"
    & skf18("10","7","9","4","2","6","1") = "9"
    & skf18("10","7","9","4","2","7","1") = "9"
    & skf18("10","7","9","4","2","8","1") = "9"
    & skf18("10","7","9","4","2","9","1") = "9"
    & skf18("10","7","9","4","2","10","1") = "9"
    & skf18("10","7","9","4","3","1","1") = "9"
    & skf18("10","7","9","4","3","2","1") = "9"
    & skf18("10","7","9","4","3","3","1") = "9"
    & skf18("10","7","9","4","3","4","1") = "9"
    & skf18("10","7","9","4","3","5","1") = "9"
    & skf18("10","7","9","4","3","6","1") = "9"
    & skf18("10","7","9","4","3","7","1") = "9"
    & skf18("10","7","9","4","3","8","1") = "9"
    & skf18("10","7","9","4","3","9","1") = "9"
    & skf18("10","7","9","4","3","10","1") = "9"
    & skf18("10","7","9","4","4","1","1") = "9"
    & skf18("10","7","9","4","4","2","1") = "9"
    & skf18("10","7","9","4","4","3","1") = "9"
    & skf18("10","7","9","4","4","4","1") = "9"
    & skf18("10","7","9","4","4","5","1") = "9"
    & skf18("10","7","9","4","4","6","1") = "9"
    & skf18("10","7","9","4","4","7","1") = "9"
    & skf18("10","7","9","4","4","8","1") = "9"
    & skf18("10","7","9","4","4","9","1") = "9"
    & skf18("10","7","9","4","4","10","1") = "9"
    & skf18("10","7","9","4","5","1","1") = "9"
    & skf18("10","7","9","4","5","2","1") = "9"
    & skf18("10","7","9","4","5","3","1") = "9"
    & skf18("10","7","9","4","5","4","1") = "9"
    & skf18("10","7","9","4","5","5","1") = "9"
    & skf18("10","7","9","4","5","6","1") = "9"
    & skf18("10","7","9","4","5","7","1") = "9"
    & skf18("10","7","9","4","5","8","1") = "9"
    & skf18("10","7","9","4","5","9","1") = "9"
    & skf18("10","7","9","4","5","10","1") = "9"
    & skf18("10","7","9","4","6","1","1") = "9"
    & skf18("10","7","9","4","6","2","1") = "9"
    & skf18("10","7","9","4","6","3","1") = "9"
    & skf18("10","7","9","4","6","4","1") = "9"
    & skf18("10","7","9","4","6","5","1") = "9"
    & skf18("10","7","9","4","6","6","1") = "9"
    & skf18("10","7","9","4","6","7","1") = "9"
    & skf18("10","7","9","4","6","8","1") = "9"
    & skf18("10","7","9","4","6","9","1") = "9"
    & skf18("10","7","9","4","6","10","1") = "9"
    & skf18("10","7","9","4","7","1","1") = "9"
    & skf18("10","7","9","4","7","2","1") = "9"
    & skf18("10","7","9","4","7","3","1") = "9"
    & skf18("10","7","9","4","7","4","1") = "9"
    & skf18("10","7","9","4","7","5","1") = "9"
    & skf18("10","7","9","4","7","6","1") = "9"
    & skf18("10","7","9","4","7","7","1") = "9"
    & skf18("10","7","9","4","7","8","1") = "9"
    & skf18("10","7","9","4","7","9","1") = "9"
    & skf18("10","7","9","4","7","10","1") = "9"
    & skf18("10","7","9","4","8","1","1") = "9"
    & skf18("10","7","9","4","8","2","1") = "9"
    & skf18("10","7","9","4","8","3","1") = "9"
    & skf18("10","7","9","4","8","4","1") = "9"
    & skf18("10","7","9","4","8","5","1") = "9"
    & skf18("10","7","9","4","8","6","1") = "9"
    & skf18("10","7","9","4","8","7","1") = "9"
    & skf18("10","7","9","4","8","8","1") = "9"
    & skf18("10","7","9","4","8","9","1") = "9"
    & skf18("10","7","9","4","8","10","1") = "9"
    & skf18("10","7","9","4","9","1","1") = "9"
    & skf18("10","7","9","4","9","2","1") = "9"
    & skf18("10","7","9","4","9","3","1") = "9"
    & skf18("10","7","9","4","9","4","1") = "9"
    & skf18("10","7","9","4","9","5","1") = "9"
    & skf18("10","7","9","4","9","6","1") = "9"
    & skf18("10","7","9","4","9","7","1") = "9"
    & skf18("10","7","9","4","9","8","1") = "9"
    & skf18("10","7","9","4","9","9","1") = "9"
    & skf18("10","7","9","4","9","10","1") = "9"
    & skf18("10","7","9","4","10","1","1") = "9"
    & skf18("10","7","9","4","10","2","1") = "9"
    & skf18("10","7","9","4","10","3","1") = "9"
    & skf18("10","7","9","4","10","4","1") = "9"
    & skf18("10","7","9","4","10","5","1") = "9"
    & skf18("10","7","9","4","10","6","1") = "9"
    & skf18("10","7","9","4","10","7","1") = "9"
    & skf18("10","7","9","4","10","8","1") = "9"
    & skf18("10","7","9","4","10","9","1") = "9"
    & skf18("10","7","9","4","10","10","1") = "9"
    & skf18("10","7","9","5","1","1","1") = "9"
    & skf18("10","7","9","5","1","2","1") = "9"
    & skf18("10","7","9","5","1","3","1") = "9"
    & skf18("10","7","9","5","1","4","1") = "9"
    & skf18("10","7","9","5","1","5","1") = "9"
    & skf18("10","7","9","5","1","6","1") = "9"
    & skf18("10","7","9","5","1","7","1") = "9"
    & skf18("10","7","9","5","1","8","1") = "9"
    & skf18("10","7","9","5","1","9","1") = "9"
    & skf18("10","7","9","5","1","10","1") = "9"
    & skf18("10","7","9","5","2","1","1") = "9"
    & skf18("10","7","9","5","2","2","1") = "9"
    & skf18("10","7","9","5","2","3","1") = "9"
    & skf18("10","7","9","5","2","4","1") = "9"
    & skf18("10","7","9","5","2","5","1") = "9"
    & skf18("10","7","9","5","2","6","1") = "9"
    & skf18("10","7","9","5","2","7","1") = "9"
    & skf18("10","7","9","5","2","8","1") = "9"
    & skf18("10","7","9","5","2","9","1") = "9"
    & skf18("10","7","9","5","2","10","1") = "9"
    & skf18("10","7","9","5","3","1","1") = "9"
    & skf18("10","7","9","5","3","2","1") = "9"
    & skf18("10","7","9","5","3","3","1") = "9"
    & skf18("10","7","9","5","3","4","1") = "9"
    & skf18("10","7","9","5","3","5","1") = "9"
    & skf18("10","7","9","5","3","6","1") = "9"
    & skf18("10","7","9","5","3","7","1") = "9"
    & skf18("10","7","9","5","3","8","1") = "9"
    & skf18("10","7","9","5","3","9","1") = "9"
    & skf18("10","7","9","5","3","10","1") = "9"
    & skf18("10","7","9","5","4","1","1") = "9"
    & skf18("10","7","9","5","4","2","1") = "9"
    & skf18("10","7","9","5","4","3","1") = "9"
    & skf18("10","7","9","5","4","4","1") = "9"
    & skf18("10","7","9","5","4","5","1") = "9"
    & skf18("10","7","9","5","4","6","1") = "9"
    & skf18("10","7","9","5","4","7","1") = "9"
    & skf18("10","7","9","5","4","8","1") = "9"
    & skf18("10","7","9","5","4","9","1") = "9"
    & skf18("10","7","9","5","4","10","1") = "9"
    & skf18("10","7","9","5","5","1","1") = "9"
    & skf18("10","7","9","5","5","2","1") = "9"
    & skf18("10","7","9","5","5","3","1") = "9"
    & skf18("10","7","9","5","5","4","1") = "9"
    & skf18("10","7","9","5","5","5","1") = "9"
    & skf18("10","7","9","5","5","6","1") = "9"
    & skf18("10","7","9","5","5","7","1") = "9"
    & skf18("10","7","9","5","5","8","1") = "9"
    & skf18("10","7","9","5","5","9","1") = "9"
    & skf18("10","7","9","5","5","10","1") = "9"
    & skf18("10","7","9","5","6","1","1") = "9"
    & skf18("10","7","9","5","6","2","1") = "9"
    & skf18("10","7","9","5","6","3","1") = "9"
    & skf18("10","7","9","5","6","4","1") = "9"
    & skf18("10","7","9","5","6","5","1") = "9"
    & skf18("10","7","9","5","6","6","1") = "9"
    & skf18("10","7","9","5","6","7","1") = "9"
    & skf18("10","7","9","5","6","8","1") = "9"
    & skf18("10","7","9","5","6","9","1") = "9"
    & skf18("10","7","9","5","6","10","1") = "9"
    & skf18("10","7","9","5","7","1","1") = "9"
    & skf18("10","7","9","5","7","2","1") = "9"
    & skf18("10","7","9","5","7","3","1") = "9"
    & skf18("10","7","9","5","7","4","1") = "9"
    & skf18("10","7","9","5","7","5","1") = "9"
    & skf18("10","7","9","5","7","6","1") = "9"
    & skf18("10","7","9","5","7","7","1") = "9"
    & skf18("10","7","9","5","7","8","1") = "9"
    & skf18("10","7","9","5","7","9","1") = "9"
    & skf18("10","7","9","5","7","10","1") = "9"
    & skf18("10","7","9","5","8","1","1") = "9"
    & skf18("10","7","9","5","8","2","1") = "9"
    & skf18("10","7","9","5","8","3","1") = "9"
    & skf18("10","7","9","5","8","4","1") = "9"
    & skf18("10","7","9","5","8","5","1") = "9"
    & skf18("10","7","9","5","8","6","1") = "9"
    & skf18("10","7","9","5","8","7","1") = "9"
    & skf18("10","7","9","5","8","8","1") = "9"
    & skf18("10","7","9","5","8","9","1") = "9"
    & skf18("10","7","9","5","8","10","1") = "9"
    & skf18("10","7","9","5","9","1","1") = "9"
    & skf18("10","7","9","5","9","2","1") = "9"
    & skf18("10","7","9","5","9","3","1") = "9"
    & skf18("10","7","9","5","9","4","1") = "9"
    & skf18("10","7","9","5","9","5","1") = "9"
    & skf18("10","7","9","5","9","6","1") = "9"
    & skf18("10","7","9","5","9","7","1") = "9"
    & skf18("10","7","9","5","9","8","1") = "9"
    & skf18("10","7","9","5","9","9","1") = "9"
    & skf18("10","7","9","5","9","10","1") = "9"
    & skf18("10","7","9","5","10","1","1") = "9"
    & skf18("10","7","9","5","10","2","1") = "9"
    & skf18("10","7","9","5","10","3","1") = "9"
    & skf18("10","7","9","5","10","4","1") = "9"
    & skf18("10","7","9","5","10","5","1") = "9"
    & skf18("10","7","9","5","10","6","1") = "9"
    & skf18("10","7","9","5","10","7","1") = "9"
    & skf18("10","7","9","5","10","8","1") = "9"
    & skf18("10","7","9","5","10","9","1") = "9"
    & skf18("10","7","9","5","10","10","1") = "9"
    & skf18("10","7","9","6","1","1","1") = "9"
    & skf18("10","7","9","6","1","2","1") = "9"
    & skf18("10","7","9","6","1","3","1") = "9"
    & skf18("10","7","9","6","1","4","1") = "9"
    & skf18("10","7","9","6","1","5","1") = "9"
    & skf18("10","7","9","6","1","6","1") = "9"
    & skf18("10","7","9","6","1","7","1") = "9"
    & skf18("10","7","9","6","1","8","1") = "9"
    & skf18("10","7","9","6","1","9","1") = "9"
    & skf18("10","7","9","6","1","10","1") = "9"
    & skf18("10","7","9","6","2","1","1") = "9"
    & skf18("10","7","9","6","2","2","1") = "9"
    & skf18("10","7","9","6","2","3","1") = "9"
    & skf18("10","7","9","6","2","4","1") = "9"
    & skf18("10","7","9","6","2","5","1") = "9"
    & skf18("10","7","9","6","2","6","1") = "9"
    & skf18("10","7","9","6","2","7","1") = "9"
    & skf18("10","7","9","6","2","8","1") = "9"
    & skf18("10","7","9","6","2","9","1") = "9"
    & skf18("10","7","9","6","2","10","1") = "9"
    & skf18("10","7","9","6","3","1","1") = "9"
    & skf18("10","7","9","6","3","2","1") = "9"
    & skf18("10","7","9","6","3","3","1") = "9"
    & skf18("10","7","9","6","3","4","1") = "9"
    & skf18("10","7","9","6","3","5","1") = "9"
    & skf18("10","7","9","6","3","6","1") = "9"
    & skf18("10","7","9","6","3","7","1") = "9"
    & skf18("10","7","9","6","3","8","1") = "9"
    & skf18("10","7","9","6","3","9","1") = "9"
    & skf18("10","7","9","6","3","10","1") = "9"
    & skf18("10","7","9","6","4","1","1") = "9"
    & skf18("10","7","9","6","4","2","1") = "9"
    & skf18("10","7","9","6","4","3","1") = "9"
    & skf18("10","7","9","6","4","4","1") = "9"
    & skf18("10","7","9","6","4","5","1") = "9"
    & skf18("10","7","9","6","4","6","1") = "9"
    & skf18("10","7","9","6","4","7","1") = "9"
    & skf18("10","7","9","6","4","8","1") = "9"
    & skf18("10","7","9","6","4","9","1") = "9"
    & skf18("10","7","9","6","4","10","1") = "9"
    & skf18("10","7","9","6","5","1","1") = "9"
    & skf18("10","7","9","6","5","2","1") = "9"
    & skf18("10","7","9","6","5","3","1") = "9"
    & skf18("10","7","9","6","5","4","1") = "9"
    & skf18("10","7","9","6","5","5","1") = "9"
    & skf18("10","7","9","6","5","6","1") = "9"
    & skf18("10","7","9","6","5","7","1") = "9"
    & skf18("10","7","9","6","5","8","1") = "9"
    & skf18("10","7","9","6","5","9","1") = "9"
    & skf18("10","7","9","6","5","10","1") = "9"
    & skf18("10","7","9","6","6","1","1") = "9"
    & skf18("10","7","9","6","6","2","1") = "9"
    & skf18("10","7","9","6","6","3","1") = "9"
    & skf18("10","7","9","6","6","4","1") = "9"
    & skf18("10","7","9","6","6","5","1") = "9"
    & skf18("10","7","9","6","6","6","1") = "9"
    & skf18("10","7","9","6","6","7","1") = "9"
    & skf18("10","7","9","6","6","8","1") = "9"
    & skf18("10","7","9","6","6","9","1") = "9"
    & skf18("10","7","9","6","6","10","1") = "9"
    & skf18("10","7","9","6","7","1","1") = "9"
    & skf18("10","7","9","6","7","2","1") = "9"
    & skf18("10","7","9","6","7","3","1") = "9"
    & skf18("10","7","9","6","7","4","1") = "9"
    & skf18("10","7","9","6","7","5","1") = "9"
    & skf18("10","7","9","6","7","6","1") = "9"
    & skf18("10","7","9","6","7","7","1") = "9"
    & skf18("10","7","9","6","7","8","1") = "9"
    & skf18("10","7","9","6","7","9","1") = "9"
    & skf18("10","7","9","6","7","10","1") = "9"
    & skf18("10","7","9","6","8","1","1") = "9"
    & skf18("10","7","9","6","8","2","1") = "9"
    & skf18("10","7","9","6","8","3","1") = "9"
    & skf18("10","7","9","6","8","4","1") = "9"
    & skf18("10","7","9","6","8","5","1") = "9"
    & skf18("10","7","9","6","8","6","1") = "9"
    & skf18("10","7","9","6","8","7","1") = "9"
    & skf18("10","7","9","6","8","8","1") = "9"
    & skf18("10","7","9","6","8","9","1") = "9"
    & skf18("10","7","9","6","8","10","1") = "9"
    & skf18("10","7","9","6","9","1","1") = "9"
    & skf18("10","7","9","6","9","2","1") = "9"
    & skf18("10","7","9","6","9","3","1") = "9"
    & skf18("10","7","9","6","9","4","1") = "9"
    & skf18("10","7","9","6","9","5","1") = "9"
    & skf18("10","7","9","6","9","6","1") = "9"
    & skf18("10","7","9","6","9","7","1") = "9"
    & skf18("10","7","9","6","9","8","1") = "9"
    & skf18("10","7","9","6","9","9","1") = "9"
    & skf18("10","7","9","6","9","10","1") = "9"
    & skf18("10","7","9","6","10","1","1") = "9"
    & skf18("10","7","9","6","10","2","1") = "9"
    & skf18("10","7","9","6","10","3","1") = "9"
    & skf18("10","7","9","6","10","4","1") = "9"
    & skf18("10","7","9","6","10","5","1") = "9"
    & skf18("10","7","9","6","10","6","1") = "9"
    & skf18("10","7","9","6","10","7","1") = "9"
    & skf18("10","7","9","6","10","8","1") = "9"
    & skf18("10","7","9","6","10","9","1") = "9"
    & skf18("10","7","9","6","10","10","1") = "9"
    & skf18("10","7","9","7","1","1","1") = "9"
    & skf18("10","7","9","7","1","2","1") = "9"
    & skf18("10","7","9","7","1","3","1") = "9"
    & skf18("10","7","9","7","1","4","1") = "9"
    & skf18("10","7","9","7","1","5","1") = "9"
    & skf18("10","7","9","7","1","6","1") = "9"
    & skf18("10","7","9","7","1","7","1") = "9"
    & skf18("10","7","9","7","1","8","1") = "9"
    & skf18("10","7","9","7","1","9","1") = "9"
    & skf18("10","7","9","7","1","10","1") = "9"
    & skf18("10","7","9","7","2","1","1") = "9"
    & skf18("10","7","9","7","2","2","1") = "9"
    & skf18("10","7","9","7","2","3","1") = "9"
    & skf18("10","7","9","7","2","4","1") = "9"
    & skf18("10","7","9","7","2","5","1") = "9"
    & skf18("10","7","9","7","2","6","1") = "9"
    & skf18("10","7","9","7","2","7","1") = "9"
    & skf18("10","7","9","7","2","8","1") = "9"
    & skf18("10","7","9","7","2","9","1") = "9"
    & skf18("10","7","9","7","2","10","1") = "9"
    & skf18("10","7","9","7","3","1","1") = "9"
    & skf18("10","7","9","7","3","2","1") = "9"
    & skf18("10","7","9","7","3","3","1") = "9"
    & skf18("10","7","9","7","3","4","1") = "9"
    & skf18("10","7","9","7","3","5","1") = "9"
    & skf18("10","7","9","7","3","6","1") = "9"
    & skf18("10","7","9","7","3","7","1") = "9"
    & skf18("10","7","9","7","3","8","1") = "9"
    & skf18("10","7","9","7","3","9","1") = "9"
    & skf18("10","7","9","7","3","10","1") = "9"
    & skf18("10","7","9","7","4","1","1") = "9"
    & skf18("10","7","9","7","4","2","1") = "9"
    & skf18("10","7","9","7","4","3","1") = "9"
    & skf18("10","7","9","7","4","4","1") = "9"
    & skf18("10","7","9","7","4","5","1") = "9"
    & skf18("10","7","9","7","4","6","1") = "9"
    & skf18("10","7","9","7","4","7","1") = "9"
    & skf18("10","7","9","7","4","8","1") = "9"
    & skf18("10","7","9","7","4","9","1") = "9"
    & skf18("10","7","9","7","4","10","1") = "9"
    & skf18("10","7","9","7","5","1","1") = "9"
    & skf18("10","7","9","7","5","2","1") = "9"
    & skf18("10","7","9","7","5","3","1") = "9"
    & skf18("10","7","9","7","5","4","1") = "9"
    & skf18("10","7","9","7","5","5","1") = "9"
    & skf18("10","7","9","7","5","6","1") = "9"
    & skf18("10","7","9","7","5","7","1") = "9"
    & skf18("10","7","9","7","5","8","1") = "9"
    & skf18("10","7","9","7","5","9","1") = "9"
    & skf18("10","7","9","7","5","10","1") = "9"
    & skf18("10","7","9","7","6","1","1") = "9"
    & skf18("10","7","9","7","6","2","1") = "9"
    & skf18("10","7","9","7","6","3","1") = "9"
    & skf18("10","7","9","7","6","4","1") = "9"
    & skf18("10","7","9","7","6","5","1") = "9"
    & skf18("10","7","9","7","6","6","1") = "9"
    & skf18("10","7","9","7","6","7","1") = "9"
    & skf18("10","7","9","7","6","8","1") = "9"
    & skf18("10","7","9","7","6","9","1") = "9"
    & skf18("10","7","9","7","6","10","1") = "9"
    & skf18("10","7","9","7","7","1","1") = "9"
    & skf18("10","7","9","7","7","2","1") = "9"
    & skf18("10","7","9","7","7","3","1") = "9"
    & skf18("10","7","9","7","7","4","1") = "9"
    & skf18("10","7","9","7","7","5","1") = "9"
    & skf18("10","7","9","7","7","6","1") = "9"
    & skf18("10","7","9","7","7","7","1") = "9"
    & skf18("10","7","9","7","7","8","1") = "9"
    & skf18("10","7","9","7","7","9","1") = "9"
    & skf18("10","7","9","7","7","10","1") = "9"
    & skf18("10","7","9","7","8","1","1") = "9"
    & skf18("10","7","9","7","8","2","1") = "9"
    & skf18("10","7","9","7","8","3","1") = "9"
    & skf18("10","7","9","7","8","4","1") = "9"
    & skf18("10","7","9","7","8","5","1") = "9"
    & skf18("10","7","9","7","8","6","1") = "9"
    & skf18("10","7","9","7","8","7","1") = "9"
    & skf18("10","7","9","7","8","8","1") = "9"
    & skf18("10","7","9","7","8","9","1") = "9"
    & skf18("10","7","9","7","8","10","1") = "9"
    & skf18("10","7","9","7","9","1","1") = "9"
    & skf18("10","7","9","7","9","2","1") = "9"
    & skf18("10","7","9","7","9","3","1") = "9"
    & skf18("10","7","9","7","9","4","1") = "9"
    & skf18("10","7","9","7","9","5","1") = "9"
    & skf18("10","7","9","7","9","6","1") = "9"
    & skf18("10","7","9","7","9","7","1") = "9"
    & skf18("10","7","9","7","9","8","1") = "9"
    & skf18("10","7","9","7","9","9","1") = "9"
    & skf18("10","7","9","7","9","10","1") = "9"
    & skf18("10","7","9","7","10","1","1") = "9"
    & skf18("10","7","9","7","10","2","1") = "9"
    & skf18("10","7","9","7","10","3","1") = "9"
    & skf18("10","7","9","7","10","4","1") = "9"
    & skf18("10","7","9","7","10","5","1") = "9"
    & skf18("10","7","9","7","10","6","1") = "9"
    & skf18("10","7","9","7","10","7","1") = "9"
    & skf18("10","7","9","7","10","8","1") = "9"
    & skf18("10","7","9","7","10","9","1") = "9"
    & skf18("10","7","9","7","10","10","1") = "9"
    & skf18("10","7","9","8","1","1","1") = "9"
    & skf18("10","7","9","8","1","2","1") = "9"
    & skf18("10","7","9","8","1","3","1") = "9"
    & skf18("10","7","9","8","1","4","1") = "9"
    & skf18("10","7","9","8","1","5","1") = "9"
    & skf18("10","7","9","8","1","6","1") = "9"
    & skf18("10","7","9","8","1","7","1") = "9"
    & skf18("10","7","9","8","1","8","1") = "9"
    & skf18("10","7","9","8","1","9","1") = "9"
    & skf18("10","7","9","8","1","10","1") = "9"
    & skf18("10","7","9","8","2","1","1") = "9"
    & skf18("10","7","9","8","2","2","1") = "9"
    & skf18("10","7","9","8","2","3","1") = "9"
    & skf18("10","7","9","8","2","4","1") = "9"
    & skf18("10","7","9","8","2","5","1") = "9"
    & skf18("10","7","9","8","2","6","1") = "9"
    & skf18("10","7","9","8","2","7","1") = "9"
    & skf18("10","7","9","8","2","8","1") = "9"
    & skf18("10","7","9","8","2","9","1") = "9"
    & skf18("10","7","9","8","2","10","1") = "9"
    & skf18("10","7","9","8","3","1","1") = "9"
    & skf18("10","7","9","8","3","2","1") = "9"
    & skf18("10","7","9","8","3","3","1") = "9"
    & skf18("10","7","9","8","3","4","1") = "9"
    & skf18("10","7","9","8","3","5","1") = "9"
    & skf18("10","7","9","8","3","6","1") = "9"
    & skf18("10","7","9","8","3","7","1") = "9"
    & skf18("10","7","9","8","3","8","1") = "9"
    & skf18("10","7","9","8","3","9","1") = "9"
    & skf18("10","7","9","8","3","10","1") = "9"
    & skf18("10","7","9","8","4","1","1") = "9"
    & skf18("10","7","9","8","4","2","1") = "9"
    & skf18("10","7","9","8","4","3","1") = "9"
    & skf18("10","7","9","8","4","4","1") = "9"
    & skf18("10","7","9","8","4","5","1") = "9"
    & skf18("10","7","9","8","4","6","1") = "9"
    & skf18("10","7","9","8","4","7","1") = "9"
    & skf18("10","7","9","8","4","8","1") = "9"
    & skf18("10","7","9","8","4","9","1") = "9"
    & skf18("10","7","9","8","4","10","1") = "9"
    & skf18("10","7","9","8","5","1","1") = "9"
    & skf18("10","7","9","8","5","2","1") = "9"
    & skf18("10","7","9","8","5","3","1") = "9"
    & skf18("10","7","9","8","5","4","1") = "9"
    & skf18("10","7","9","8","5","5","1") = "9"
    & skf18("10","7","9","8","5","6","1") = "9"
    & skf18("10","7","9","8","5","7","1") = "9"
    & skf18("10","7","9","8","5","8","1") = "9"
    & skf18("10","7","9","8","5","9","1") = "9"
    & skf18("10","7","9","8","5","10","1") = "9"
    & skf18("10","7","9","8","6","1","1") = "9"
    & skf18("10","7","9","8","6","2","1") = "9"
    & skf18("10","7","9","8","6","3","1") = "9"
    & skf18("10","7","9","8","6","4","1") = "9"
    & skf18("10","7","9","8","6","5","1") = "9"
    & skf18("10","7","9","8","6","6","1") = "9"
    & skf18("10","7","9","8","6","7","1") = "9"
    & skf18("10","7","9","8","6","8","1") = "9"
    & skf18("10","7","9","8","6","9","1") = "9"
    & skf18("10","7","9","8","6","10","1") = "9"
    & skf18("10","7","9","8","7","1","1") = "9"
    & skf18("10","7","9","8","7","2","1") = "9"
    & skf18("10","7","9","8","7","3","1") = "9"
    & skf18("10","7","9","8","7","4","1") = "9"
    & skf18("10","7","9","8","7","5","1") = "9"
    & skf18("10","7","9","8","7","6","1") = "9"
    & skf18("10","7","9","8","7","7","1") = "9"
    & skf18("10","7","9","8","7","8","1") = "9"
    & skf18("10","7","9","8","7","9","1") = "9"
    & skf18("10","7","9","8","7","10","1") = "9"
    & skf18("10","7","9","8","8","1","1") = "9"
    & skf18("10","7","9","8","8","2","1") = "9"
    & skf18("10","7","9","8","8","3","1") = "9"
    & skf18("10","7","9","8","8","4","1") = "9"
    & skf18("10","7","9","8","8","5","1") = "9"
    & skf18("10","7","9","8","8","6","1") = "9"
    & skf18("10","7","9","8","8","7","1") = "9"
    & skf18("10","7","9","8","8","8","1") = "9"
    & skf18("10","7","9","8","8","9","1") = "9"
    & skf18("10","7","9","8","8","10","1") = "9"
    & skf18("10","7","9","8","9","1","1") = "9"
    & skf18("10","7","9","8","9","2","1") = "9"
    & skf18("10","7","9","8","9","3","1") = "9"
    & skf18("10","7","9","8","9","4","1") = "9"
    & skf18("10","7","9","8","9","5","1") = "9"
    & skf18("10","7","9","8","9","6","1") = "9"
    & skf18("10","7","9","8","9","7","1") = "9"
    & skf18("10","7","9","8","9","8","1") = "9"
    & skf18("10","7","9","8","9","9","1") = "9"
    & skf18("10","7","9","8","9","10","1") = "9"
    & skf18("10","7","9","8","10","1","1") = "9"
    & skf18("10","7","9","8","10","2","1") = "9"
    & skf18("10","7","9","8","10","3","1") = "9"
    & skf18("10","7","9","8","10","4","1") = "9"
    & skf18("10","7","9","8","10","5","1") = "9"
    & skf18("10","7","9","8","10","6","1") = "9"
    & skf18("10","7","9","8","10","7","1") = "9"
    & skf18("10","7","9","8","10","8","1") = "9"
    & skf18("10","7","9","8","10","9","1") = "9"
    & skf18("10","7","9","8","10","10","1") = "9"
    & skf18("10","7","9","9","1","1","1") = "9"
    & skf18("10","7","9","9","1","2","1") = "9"
    & skf18("10","7","9","9","1","3","1") = "9"
    & skf18("10","7","9","9","1","4","1") = "9"
    & skf18("10","7","9","9","1","5","1") = "9"
    & skf18("10","7","9","9","1","6","1") = "9"
    & skf18("10","7","9","9","1","7","1") = "9"
    & skf18("10","7","9","9","1","8","1") = "9"
    & skf18("10","7","9","9","1","9","1") = "9"
    & skf18("10","7","9","9","1","10","1") = "9"
    & skf18("10","7","9","9","2","1","1") = "9"
    & skf18("10","7","9","9","2","2","1") = "9"
    & skf18("10","7","9","9","2","3","1") = "9"
    & skf18("10","7","9","9","2","4","1") = "9"
    & skf18("10","7","9","9","2","5","1") = "9"
    & skf18("10","7","9","9","2","6","1") = "9"
    & skf18("10","7","9","9","2","7","1") = "9"
    & skf18("10","7","9","9","2","8","1") = "9"
    & skf18("10","7","9","9","2","9","1") = "9"
    & skf18("10","7","9","9","2","10","1") = "9"
    & skf18("10","7","9","9","3","1","1") = "9"
    & skf18("10","7","9","9","3","2","1") = "9"
    & skf18("10","7","9","9","3","3","1") = "9"
    & skf18("10","7","9","9","3","4","1") = "9"
    & skf18("10","7","9","9","3","5","1") = "9"
    & skf18("10","7","9","9","3","6","1") = "9"
    & skf18("10","7","9","9","3","7","1") = "9"
    & skf18("10","7","9","9","3","8","1") = "9"
    & skf18("10","7","9","9","3","9","1") = "9"
    & skf18("10","7","9","9","3","10","1") = "9"
    & skf18("10","7","9","9","4","1","1") = "9"
    & skf18("10","7","9","9","4","2","1") = "9"
    & skf18("10","7","9","9","4","3","1") = "9"
    & skf18("10","7","9","9","4","4","1") = "9"
    & skf18("10","7","9","9","4","5","1") = "9"
    & skf18("10","7","9","9","4","6","1") = "9"
    & skf18("10","7","9","9","4","7","1") = "9"
    & skf18("10","7","9","9","4","8","1") = "9"
    & skf18("10","7","9","9","4","9","1") = "9"
    & skf18("10","7","9","9","4","10","1") = "9"
    & skf18("10","7","9","9","5","1","1") = "9"
    & skf18("10","7","9","9","5","2","1") = "9"
    & skf18("10","7","9","9","5","3","1") = "9"
    & skf18("10","7","9","9","5","4","1") = "9"
    & skf18("10","7","9","9","5","5","1") = "9"
    & skf18("10","7","9","9","5","6","1") = "9"
    & skf18("10","7","9","9","5","7","1") = "9"
    & skf18("10","7","9","9","5","8","1") = "9"
    & skf18("10","7","9","9","5","9","1") = "9"
    & skf18("10","7","9","9","5","10","1") = "9"
    & skf18("10","7","9","9","6","1","1") = "9"
    & skf18("10","7","9","9","6","2","1") = "9"
    & skf18("10","7","9","9","6","3","1") = "9"
    & skf18("10","7","9","9","6","4","1") = "9"
    & skf18("10","7","9","9","6","5","1") = "9"
    & skf18("10","7","9","9","6","6","1") = "9"
    & skf18("10","7","9","9","6","7","1") = "9"
    & skf18("10","7","9","9","6","8","1") = "9"
    & skf18("10","7","9","9","6","9","1") = "9"
    & skf18("10","7","9","9","6","10","1") = "9"
    & skf18("10","7","9","9","7","1","1") = "9"
    & skf18("10","7","9","9","7","2","1") = "9"
    & skf18("10","7","9","9","7","3","1") = "9"
    & skf18("10","7","9","9","7","4","1") = "9"
    & skf18("10","7","9","9","7","5","1") = "9"
    & skf18("10","7","9","9","7","6","1") = "9"
    & skf18("10","7","9","9","7","7","1") = "9"
    & skf18("10","7","9","9","7","8","1") = "9"
    & skf18("10","7","9","9","7","9","1") = "9"
    & skf18("10","7","9","9","7","10","1") = "9"
    & skf18("10","7","9","9","8","1","1") = "9"
    & skf18("10","7","9","9","8","2","1") = "9"
    & skf18("10","7","9","9","8","3","1") = "9"
    & skf18("10","7","9","9","8","4","1") = "9"
    & skf18("10","7","9","9","8","5","1") = "9"
    & skf18("10","7","9","9","8","6","1") = "9"
    & skf18("10","7","9","9","8","7","1") = "9"
    & skf18("10","7","9","9","8","8","1") = "9"
    & skf18("10","7","9","9","8","9","1") = "9"
    & skf18("10","7","9","9","8","10","1") = "9"
    & skf18("10","7","9","9","9","1","1") = "9"
    & skf18("10","7","9","9","9","2","1") = "9"
    & skf18("10","7","9","9","9","3","1") = "9"
    & skf18("10","7","9","9","9","4","1") = "9"
    & skf18("10","7","9","9","9","5","1") = "9"
    & skf18("10","7","9","9","9","6","1") = "9"
    & skf18("10","7","9","9","9","7","1") = "9"
    & skf18("10","7","9","9","9","8","1") = "9"
    & skf18("10","7","9","9","9","9","1") = "9"
    & skf18("10","7","9","9","9","10","1") = "9"
    & skf18("10","7","9","9","10","1","1") = "9"
    & skf18("10","7","9","9","10","2","1") = "9"
    & skf18("10","7","9","9","10","3","1") = "9"
    & skf18("10","7","9","9","10","4","1") = "9"
    & skf18("10","7","9","9","10","5","1") = "9"
    & skf18("10","7","9","9","10","6","1") = "9"
    & skf18("10","7","9","9","10","7","1") = "9"
    & skf18("10","7","9","9","10","8","1") = "9"
    & skf18("10","7","9","9","10","9","1") = "9"
    & skf18("10","7","9","9","10","10","1") = "9"
    & skf18("10","7","9","10","1","1","1") = "9"
    & skf18("10","7","9","10","1","2","1") = "9"
    & skf18("10","7","9","10","1","3","1") = "9"
    & skf18("10","7","9","10","1","4","1") = "9"
    & skf18("10","7","9","10","1","5","1") = "9"
    & skf18("10","7","9","10","1","6","1") = "9"
    & skf18("10","7","9","10","1","7","1") = "9"
    & skf18("10","7","9","10","1","8","1") = "9"
    & skf18("10","7","9","10","1","9","1") = "9"
    & skf18("10","7","9","10","1","10","1") = "9"
    & skf18("10","7","9","10","2","1","1") = "9"
    & skf18("10","7","9","10","2","2","1") = "9"
    & skf18("10","7","9","10","2","3","1") = "9"
    & skf18("10","7","9","10","2","4","1") = "9"
    & skf18("10","7","9","10","2","5","1") = "9"
    & skf18("10","7","9","10","2","6","1") = "9"
    & skf18("10","7","9","10","2","7","1") = "9"
    & skf18("10","7","9","10","2","8","1") = "9"
    & skf18("10","7","9","10","2","9","1") = "9"
    & skf18("10","7","9","10","2","10","1") = "9"
    & skf18("10","7","9","10","3","1","1") = "9"
    & skf18("10","7","9","10","3","2","1") = "9"
    & skf18("10","7","9","10","3","3","1") = "9"
    & skf18("10","7","9","10","3","4","1") = "9"
    & skf18("10","7","9","10","3","5","1") = "9"
    & skf18("10","7","9","10","3","6","1") = "9"
    & skf18("10","7","9","10","3","7","1") = "9"
    & skf18("10","7","9","10","3","8","1") = "9"
    & skf18("10","7","9","10","3","9","1") = "9"
    & skf18("10","7","9","10","3","10","1") = "9"
    & skf18("10","7","9","10","4","1","1") = "9"
    & skf18("10","7","9","10","4","2","1") = "9"
    & skf18("10","7","9","10","4","3","1") = "9"
    & skf18("10","7","9","10","4","4","1") = "9"
    & skf18("10","7","9","10","4","5","1") = "9"
    & skf18("10","7","9","10","4","6","1") = "9"
    & skf18("10","7","9","10","4","7","1") = "9"
    & skf18("10","7","9","10","4","8","1") = "9"
    & skf18("10","7","9","10","4","9","1") = "9"
    & skf18("10","7","9","10","4","10","1") = "9"
    & skf18("10","7","9","10","5","1","1") = "9"
    & skf18("10","7","9","10","5","2","1") = "9"
    & skf18("10","7","9","10","5","3","1") = "9"
    & skf18("10","7","9","10","5","4","1") = "9"
    & skf18("10","7","9","10","5","5","1") = "9"
    & skf18("10","7","9","10","5","6","1") = "9"
    & skf18("10","7","9","10","5","7","1") = "9"
    & skf18("10","7","9","10","5","8","1") = "9"
    & skf18("10","7","9","10","5","9","1") = "9"
    & skf18("10","7","9","10","5","10","1") = "9"
    & skf18("10","7","9","10","6","1","1") = "9"
    & skf18("10","7","9","10","6","2","1") = "9"
    & skf18("10","7","9","10","6","3","1") = "9"
    & skf18("10","7","9","10","6","4","1") = "9"
    & skf18("10","7","9","10","6","5","1") = "9"
    & skf18("10","7","9","10","6","6","1") = "9"
    & skf18("10","7","9","10","6","7","1") = "9"
    & skf18("10","7","9","10","6","8","1") = "9"
    & skf18("10","7","9","10","6","9","1") = "9"
    & skf18("10","7","9","10","6","10","1") = "9"
    & skf18("10","7","9","10","7","1","1") = "9"
    & skf18("10","7","9","10","7","2","1") = "9"
    & skf18("10","7","9","10","7","3","1") = "9"
    & skf18("10","7","9","10","7","4","1") = "9"
    & skf18("10","7","9","10","7","5","1") = "9"
    & skf18("10","7","9","10","7","6","1") = "9"
    & skf18("10","7","9","10","7","7","1") = "9"
    & skf18("10","7","9","10","7","8","1") = "9"
    & skf18("10","7","9","10","7","9","1") = "9"
    & skf18("10","7","9","10","7","10","1") = "9"
    & skf18("10","7","9","10","8","1","1") = "9"
    & skf18("10","7","9","10","8","2","1") = "9"
    & skf18("10","7","9","10","8","3","1") = "9"
    & skf18("10","7","9","10","8","4","1") = "9"
    & skf18("10","7","9","10","8","5","1") = "9"
    & skf18("10","7","9","10","8","6","1") = "9"
    & skf18("10","7","9","10","8","7","1") = "9"
    & skf18("10","7","9","10","8","8","1") = "9"
    & skf18("10","7","9","10","8","9","1") = "9"
    & skf18("10","7","9","10","8","10","1") = "9"
    & skf18("10","7","9","10","9","1","1") = "9"
    & skf18("10","7","9","10","9","2","1") = "9"
    & skf18("10","7","9","10","9","3","1") = "9"
    & skf18("10","7","9","10","9","4","1") = "9"
    & skf18("10","7","9","10","9","5","1") = "9"
    & skf18("10","7","9","10","9","6","1") = "9"
    & skf18("10","7","9","10","9","7","1") = "9"
    & skf18("10","7","9","10","9","8","1") = "9"
    & skf18("10","7","9","10","9","9","1") = "9"
    & skf18("10","7","9","10","9","10","1") = "9"
    & skf18("10","7","9","10","10","1","1") = "9"
    & skf18("10","7","9","10","10","2","1") = "9"
    & skf18("10","7","9","10","10","3","1") = "9"
    & skf18("10","7","9","10","10","4","1") = "9"
    & skf18("10","7","9","10","10","5","1") = "9"
    & skf18("10","7","9","10","10","6","1") = "9"
    & skf18("10","7","9","10","10","7","1") = "9"
    & skf18("10","7","9","10","10","8","1") = "9"
    & skf18("10","7","9","10","10","9","1") = "9"
    & skf18("10","7","9","10","10","10","1") = "9"
    & skf18("10","7","10","1","1","1","1") = "9"
    & skf18("10","7","10","1","1","2","1") = "9"
    & skf18("10","7","10","1","1","3","1") = "9"
    & skf18("10","7","10","1","1","4","1") = "9"
    & skf18("10","7","10","1","1","5","1") = "9"
    & skf18("10","7","10","1","1","6","1") = "9"
    & skf18("10","7","10","1","1","7","1") = "9"
    & skf18("10","7","10","1","1","8","1") = "9"
    & skf18("10","7","10","1","1","9","1") = "9"
    & skf18("10","7","10","1","1","10","1") = "9"
    & skf18("10","7","10","1","2","1","1") = "9"
    & skf18("10","7","10","1","2","2","1") = "9"
    & skf18("10","7","10","1","2","3","1") = "9"
    & skf18("10","7","10","1","2","4","1") = "9"
    & skf18("10","7","10","1","2","5","1") = "9"
    & skf18("10","7","10","1","2","6","1") = "9"
    & skf18("10","7","10","1","2","7","1") = "9"
    & skf18("10","7","10","1","2","8","1") = "9"
    & skf18("10","7","10","1","2","9","1") = "9"
    & skf18("10","7","10","1","2","10","1") = "9"
    & skf18("10","7","10","1","3","1","1") = "9"
    & skf18("10","7","10","1","3","2","1") = "9"
    & skf18("10","7","10","1","3","3","1") = "9"
    & skf18("10","7","10","1","3","4","1") = "9"
    & skf18("10","7","10","1","3","5","1") = "9"
    & skf18("10","7","10","1","3","6","1") = "9"
    & skf18("10","7","10","1","3","7","1") = "9"
    & skf18("10","7","10","1","3","8","1") = "9"
    & skf18("10","7","10","1","3","9","1") = "9"
    & skf18("10","7","10","1","3","10","1") = "9"
    & skf18("10","7","10","1","4","1","1") = "9"
    & skf18("10","7","10","1","4","2","1") = "9"
    & skf18("10","7","10","1","4","3","1") = "9"
    & skf18("10","7","10","1","4","4","1") = "9"
    & skf18("10","7","10","1","4","5","1") = "9"
    & skf18("10","7","10","1","4","6","1") = "9"
    & skf18("10","7","10","1","4","7","1") = "9"
    & skf18("10","7","10","1","4","8","1") = "9"
    & skf18("10","7","10","1","4","9","1") = "9"
    & skf18("10","7","10","1","4","10","1") = "9"
    & skf18("10","7","10","1","5","1","1") = "9"
    & skf18("10","7","10","1","5","2","1") = "9"
    & skf18("10","7","10","1","5","3","1") = "9"
    & skf18("10","7","10","1","5","4","1") = "9"
    & skf18("10","7","10","1","5","5","1") = "9"
    & skf18("10","7","10","1","5","6","1") = "9"
    & skf18("10","7","10","1","5","7","1") = "9"
    & skf18("10","7","10","1","5","8","1") = "9"
    & skf18("10","7","10","1","5","9","1") = "9"
    & skf18("10","7","10","1","5","10","1") = "9"
    & skf18("10","7","10","1","6","1","1") = "9"
    & skf18("10","7","10","1","6","2","1") = "9"
    & skf18("10","7","10","1","6","3","1") = "9"
    & skf18("10","7","10","1","6","4","1") = "9"
    & skf18("10","7","10","1","6","5","1") = "9"
    & skf18("10","7","10","1","6","6","1") = "9"
    & skf18("10","7","10","1","6","7","1") = "9"
    & skf18("10","7","10","1","6","8","1") = "9"
    & skf18("10","7","10","1","6","9","1") = "9"
    & skf18("10","7","10","1","6","10","1") = "9"
    & skf18("10","7","10","1","7","1","1") = "9"
    & skf18("10","7","10","1","7","2","1") = "9"
    & skf18("10","7","10","1","7","3","1") = "9"
    & skf18("10","7","10","1","7","4","1") = "9"
    & skf18("10","7","10","1","7","5","1") = "9"
    & skf18("10","7","10","1","7","6","1") = "9"
    & skf18("10","7","10","1","7","7","1") = "9"
    & skf18("10","7","10","1","7","8","1") = "9"
    & skf18("10","7","10","1","7","9","1") = "9"
    & skf18("10","7","10","1","7","10","1") = "9"
    & skf18("10","7","10","1","8","1","1") = "9"
    & skf18("10","7","10","1","8","2","1") = "9"
    & skf18("10","7","10","1","8","3","1") = "9"
    & skf18("10","7","10","1","8","4","1") = "9"
    & skf18("10","7","10","1","8","5","1") = "9"
    & skf18("10","7","10","1","8","6","1") = "9"
    & skf18("10","7","10","1","8","7","1") = "9"
    & skf18("10","7","10","1","8","8","1") = "9"
    & skf18("10","7","10","1","8","9","1") = "9"
    & skf18("10","7","10","1","8","10","1") = "9"
    & skf18("10","7","10","1","9","1","1") = "9"
    & skf18("10","7","10","1","9","2","1") = "9"
    & skf18("10","7","10","1","9","3","1") = "9"
    & skf18("10","7","10","1","9","4","1") = "9"
    & skf18("10","7","10","1","9","5","1") = "9"
    & skf18("10","7","10","1","9","6","1") = "9"
    & skf18("10","7","10","1","9","7","1") = "9"
    & skf18("10","7","10","1","9","8","1") = "9"
    & skf18("10","7","10","1","9","9","1") = "9"
    & skf18("10","7","10","1","9","10","1") = "9"
    & skf18("10","7","10","1","10","1","1") = "9"
    & skf18("10","7","10","1","10","2","1") = "9"
    & skf18("10","7","10","1","10","3","1") = "9"
    & skf18("10","7","10","1","10","4","1") = "9"
    & skf18("10","7","10","1","10","5","1") = "9"
    & skf18("10","7","10","1","10","6","1") = "9"
    & skf18("10","7","10","1","10","7","1") = "9"
    & skf18("10","7","10","1","10","8","1") = "9"
    & skf18("10","7","10","1","10","9","1") = "9"
    & skf18("10","7","10","1","10","10","1") = "9"
    & skf18("10","7","10","2","1","1","1") = "9"
    & skf18("10","7","10","2","1","2","1") = "9"
    & skf18("10","7","10","2","1","3","1") = "9"
    & skf18("10","7","10","2","1","4","1") = "9"
    & skf18("10","7","10","2","1","5","1") = "9"
    & skf18("10","7","10","2","1","6","1") = "9"
    & skf18("10","7","10","2","1","7","1") = "9"
    & skf18("10","7","10","2","1","8","1") = "9"
    & skf18("10","7","10","2","1","9","1") = "9"
    & skf18("10","7","10","2","1","10","1") = "9"
    & skf18("10","7","10","2","2","1","1") = "9"
    & skf18("10","7","10","2","2","2","1") = "9"
    & skf18("10","7","10","2","2","3","1") = "9"
    & skf18("10","7","10","2","2","4","1") = "9"
    & skf18("10","7","10","2","2","5","1") = "9"
    & skf18("10","7","10","2","2","6","1") = "9"
    & skf18("10","7","10","2","2","7","1") = "9"
    & skf18("10","7","10","2","2","8","1") = "9"
    & skf18("10","7","10","2","2","9","1") = "9"
    & skf18("10","7","10","2","2","10","1") = "9"
    & skf18("10","7","10","2","3","1","1") = "9"
    & skf18("10","7","10","2","3","2","1") = "9"
    & skf18("10","7","10","2","3","3","1") = "9"
    & skf18("10","7","10","2","3","4","1") = "9"
    & skf18("10","7","10","2","3","5","1") = "9"
    & skf18("10","7","10","2","3","6","1") = "9"
    & skf18("10","7","10","2","3","7","1") = "9"
    & skf18("10","7","10","2","3","8","1") = "9"
    & skf18("10","7","10","2","3","9","1") = "9"
    & skf18("10","7","10","2","3","10","1") = "9"
    & skf18("10","7","10","2","4","1","1") = "9"
    & skf18("10","7","10","2","4","2","1") = "9"
    & skf18("10","7","10","2","4","3","1") = "9"
    & skf18("10","7","10","2","4","4","1") = "9"
    & skf18("10","7","10","2","4","5","1") = "9"
    & skf18("10","7","10","2","4","6","1") = "9"
    & skf18("10","7","10","2","4","7","1") = "9"
    & skf18("10","7","10","2","4","8","1") = "9"
    & skf18("10","7","10","2","4","9","1") = "9"
    & skf18("10","7","10","2","4","10","1") = "9"
    & skf18("10","7","10","2","5","1","1") = "9"
    & skf18("10","7","10","2","5","2","1") = "9"
    & skf18("10","7","10","2","5","3","1") = "9"
    & skf18("10","7","10","2","5","4","1") = "9"
    & skf18("10","7","10","2","5","5","1") = "9"
    & skf18("10","7","10","2","5","6","1") = "9"
    & skf18("10","7","10","2","5","7","1") = "9"
    & skf18("10","7","10","2","5","8","1") = "9"
    & skf18("10","7","10","2","5","9","1") = "9"
    & skf18("10","7","10","2","5","10","1") = "9"
    & skf18("10","7","10","2","6","1","1") = "9"
    & skf18("10","7","10","2","6","2","1") = "9"
    & skf18("10","7","10","2","6","3","1") = "9"
    & skf18("10","7","10","2","6","4","1") = "9"
    & skf18("10","7","10","2","6","5","1") = "9"
    & skf18("10","7","10","2","6","6","1") = "9"
    & skf18("10","7","10","2","6","7","1") = "9"
    & skf18("10","7","10","2","6","8","1") = "9"
    & skf18("10","7","10","2","6","9","1") = "9"
    & skf18("10","7","10","2","6","10","1") = "9"
    & skf18("10","7","10","2","7","1","1") = "9"
    & skf18("10","7","10","2","7","2","1") = "9"
    & skf18("10","7","10","2","7","3","1") = "9"
    & skf18("10","7","10","2","7","4","1") = "9"
    & skf18("10","7","10","2","7","5","1") = "9"
    & skf18("10","7","10","2","7","6","1") = "9"
    & skf18("10","7","10","2","7","7","1") = "9"
    & skf18("10","7","10","2","7","8","1") = "9"
    & skf18("10","7","10","2","7","9","1") = "9"
    & skf18("10","7","10","2","7","10","1") = "9"
    & skf18("10","7","10","2","8","1","1") = "9"
    & skf18("10","7","10","2","8","2","1") = "9"
    & skf18("10","7","10","2","8","3","1") = "9"
    & skf18("10","7","10","2","8","4","1") = "9"
    & skf18("10","7","10","2","8","5","1") = "9"
    & skf18("10","7","10","2","8","6","1") = "9"
    & skf18("10","7","10","2","8","7","1") = "9"
    & skf18("10","7","10","2","8","8","1") = "9"
    & skf18("10","7","10","2","8","9","1") = "9"
    & skf18("10","7","10","2","8","10","1") = "9"
    & skf18("10","7","10","2","9","1","1") = "9"
    & skf18("10","7","10","2","9","2","1") = "9"
    & skf18("10","7","10","2","9","3","1") = "9"
    & skf18("10","7","10","2","9","4","1") = "9"
    & skf18("10","7","10","2","9","5","1") = "9"
    & skf18("10","7","10","2","9","6","1") = "9"
    & skf18("10","7","10","2","9","7","1") = "9"
    & skf18("10","7","10","2","9","8","1") = "9"
    & skf18("10","7","10","2","9","9","1") = "9"
    & skf18("10","7","10","2","9","10","1") = "9"
    & skf18("10","7","10","2","10","1","1") = "9"
    & skf18("10","7","10","2","10","2","1") = "9"
    & skf18("10","7","10","2","10","3","1") = "9"
    & skf18("10","7","10","2","10","4","1") = "9"
    & skf18("10","7","10","2","10","5","1") = "9"
    & skf18("10","7","10","2","10","6","1") = "9"
    & skf18("10","7","10","2","10","7","1") = "9"
    & skf18("10","7","10","2","10","8","1") = "9"
    & skf18("10","7","10","2","10","9","1") = "9"
    & skf18("10","7","10","2","10","10","1") = "9"
    & skf18("10","7","10","3","1","1","1") = "9"
    & skf18("10","7","10","3","1","2","1") = "9"
    & skf18("10","7","10","3","1","3","1") = "9"
    & skf18("10","7","10","3","1","4","1") = "9"
    & skf18("10","7","10","3","1","5","1") = "9"
    & skf18("10","7","10","3","1","6","1") = "9"
    & skf18("10","7","10","3","1","7","1") = "9"
    & skf18("10","7","10","3","1","8","1") = "9"
    & skf18("10","7","10","3","1","9","1") = "9"
    & skf18("10","7","10","3","1","10","1") = "9"
    & skf18("10","7","10","3","2","1","1") = "9"
    & skf18("10","7","10","3","2","2","1") = "9"
    & skf18("10","7","10","3","2","3","1") = "9"
    & skf18("10","7","10","3","2","4","1") = "9"
    & skf18("10","7","10","3","2","5","1") = "9"
    & skf18("10","7","10","3","2","6","1") = "9"
    & skf18("10","7","10","3","2","7","1") = "9"
    & skf18("10","7","10","3","2","8","1") = "9"
    & skf18("10","7","10","3","2","9","1") = "9"
    & skf18("10","7","10","3","2","10","1") = "9"
    & skf18("10","7","10","3","3","1","1") = "9"
    & skf18("10","7","10","3","3","2","1") = "9"
    & skf18("10","7","10","3","3","3","1") = "9"
    & skf18("10","7","10","3","3","4","1") = "9"
    & skf18("10","7","10","3","3","5","1") = "9"
    & skf18("10","7","10","3","3","6","1") = "9"
    & skf18("10","7","10","3","3","7","1") = "9"
    & skf18("10","7","10","3","3","8","1") = "9"
    & skf18("10","7","10","3","3","9","1") = "9"
    & skf18("10","7","10","3","3","10","1") = "9"
    & skf18("10","7","10","3","4","1","1") = "9"
    & skf18("10","7","10","3","4","2","1") = "9"
    & skf18("10","7","10","3","4","3","1") = "9"
    & skf18("10","7","10","3","4","4","1") = "9"
    & skf18("10","7","10","3","4","5","1") = "9"
    & skf18("10","7","10","3","4","6","1") = "9"
    & skf18("10","7","10","3","4","7","1") = "9"
    & skf18("10","7","10","3","4","8","1") = "9"
    & skf18("10","7","10","3","4","9","1") = "9"
    & skf18("10","7","10","3","4","10","1") = "9"
    & skf18("10","7","10","3","5","1","1") = "9"
    & skf18("10","7","10","3","5","2","1") = "9"
    & skf18("10","7","10","3","5","3","1") = "9"
    & skf18("10","7","10","3","5","4","1") = "9"
    & skf18("10","7","10","3","5","5","1") = "9"
    & skf18("10","7","10","3","5","6","1") = "9"
    & skf18("10","7","10","3","5","7","1") = "9"
    & skf18("10","7","10","3","5","8","1") = "9"
    & skf18("10","7","10","3","5","9","1") = "9"
    & skf18("10","7","10","3","5","10","1") = "9"
    & skf18("10","7","10","3","6","1","1") = "9"
    & skf18("10","7","10","3","6","2","1") = "9"
    & skf18("10","7","10","3","6","3","1") = "9"
    & skf18("10","7","10","3","6","4","1") = "9"
    & skf18("10","7","10","3","6","5","1") = "9"
    & skf18("10","7","10","3","6","6","1") = "9"
    & skf18("10","7","10","3","6","7","1") = "9"
    & skf18("10","7","10","3","6","8","1") = "9"
    & skf18("10","7","10","3","6","9","1") = "9"
    & skf18("10","7","10","3","6","10","1") = "9"
    & skf18("10","7","10","3","7","1","1") = "9"
    & skf18("10","7","10","3","7","2","1") = "9"
    & skf18("10","7","10","3","7","3","1") = "9"
    & skf18("10","7","10","3","7","4","1") = "9"
    & skf18("10","7","10","3","7","5","1") = "9"
    & skf18("10","7","10","3","7","6","1") = "9"
    & skf18("10","7","10","3","7","7","1") = "9"
    & skf18("10","7","10","3","7","8","1") = "9"
    & skf18("10","7","10","3","7","9","1") = "9"
    & skf18("10","7","10","3","7","10","1") = "9"
    & skf18("10","7","10","3","8","1","1") = "9"
    & skf18("10","7","10","3","8","2","1") = "9"
    & skf18("10","7","10","3","8","3","1") = "9"
    & skf18("10","7","10","3","8","4","1") = "9"
    & skf18("10","7","10","3","8","5","1") = "9"
    & skf18("10","7","10","3","8","6","1") = "9"
    & skf18("10","7","10","3","8","7","1") = "9"
    & skf18("10","7","10","3","8","8","1") = "9"
    & skf18("10","7","10","3","8","9","1") = "9"
    & skf18("10","7","10","3","8","10","1") = "9"
    & skf18("10","7","10","3","9","1","1") = "9"
    & skf18("10","7","10","3","9","2","1") = "9"
    & skf18("10","7","10","3","9","3","1") = "9"
    & skf18("10","7","10","3","9","4","1") = "9"
    & skf18("10","7","10","3","9","5","1") = "9"
    & skf18("10","7","10","3","9","6","1") = "9"
    & skf18("10","7","10","3","9","7","1") = "9"
    & skf18("10","7","10","3","9","8","1") = "9"
    & skf18("10","7","10","3","9","9","1") = "9"
    & skf18("10","7","10","3","9","10","1") = "9"
    & skf18("10","7","10","3","10","1","1") = "9"
    & skf18("10","7","10","3","10","2","1") = "9"
    & skf18("10","7","10","3","10","3","1") = "9"
    & skf18("10","7","10","3","10","4","1") = "9"
    & skf18("10","7","10","3","10","5","1") = "9"
    & skf18("10","7","10","3","10","6","1") = "9"
    & skf18("10","7","10","3","10","7","1") = "9"
    & skf18("10","7","10","3","10","8","1") = "9"
    & skf18("10","7","10","3","10","9","1") = "9"
    & skf18("10","7","10","3","10","10","1") = "9"
    & skf18("10","7","10","4","1","1","1") = "9"
    & skf18("10","7","10","4","1","2","1") = "9"
    & skf18("10","7","10","4","1","3","1") = "9"
    & skf18("10","7","10","4","1","4","1") = "9"
    & skf18("10","7","10","4","1","5","1") = "9"
    & skf18("10","7","10","4","1","6","1") = "9"
    & skf18("10","7","10","4","1","7","1") = "9"
    & skf18("10","7","10","4","1","8","1") = "9"
    & skf18("10","7","10","4","1","9","1") = "9"
    & skf18("10","7","10","4","1","10","1") = "9"
    & skf18("10","7","10","4","2","1","1") = "9"
    & skf18("10","7","10","4","2","2","1") = "9"
    & skf18("10","7","10","4","2","3","1") = "9"
    & skf18("10","7","10","4","2","4","1") = "9"
    & skf18("10","7","10","4","2","5","1") = "9"
    & skf18("10","7","10","4","2","6","1") = "9"
    & skf18("10","7","10","4","2","7","1") = "9"
    & skf18("10","7","10","4","2","8","1") = "9"
    & skf18("10","7","10","4","2","9","1") = "9"
    & skf18("10","7","10","4","2","10","1") = "9"
    & skf18("10","7","10","4","3","1","1") = "9"
    & skf18("10","7","10","4","3","2","1") = "9"
    & skf18("10","7","10","4","3","3","1") = "9"
    & skf18("10","7","10","4","3","4","1") = "9"
    & skf18("10","7","10","4","3","5","1") = "9"
    & skf18("10","7","10","4","3","6","1") = "9"
    & skf18("10","7","10","4","3","7","1") = "9"
    & skf18("10","7","10","4","3","8","1") = "9"
    & skf18("10","7","10","4","3","9","1") = "9"
    & skf18("10","7","10","4","3","10","1") = "9"
    & skf18("10","7","10","4","4","1","1") = "9"
    & skf18("10","7","10","4","4","2","1") = "9"
    & skf18("10","7","10","4","4","3","1") = "9"
    & skf18("10","7","10","4","4","4","1") = "9"
    & skf18("10","7","10","4","4","5","1") = "9"
    & skf18("10","7","10","4","4","6","1") = "9"
    & skf18("10","7","10","4","4","7","1") = "9"
    & skf18("10","7","10","4","4","8","1") = "9"
    & skf18("10","7","10","4","4","9","1") = "9"
    & skf18("10","7","10","4","4","10","1") = "9"
    & skf18("10","7","10","4","5","1","1") = "9"
    & skf18("10","7","10","4","5","2","1") = "9"
    & skf18("10","7","10","4","5","3","1") = "9"
    & skf18("10","7","10","4","5","4","1") = "9"
    & skf18("10","7","10","4","5","5","1") = "9"
    & skf18("10","7","10","4","5","6","1") = "9"
    & skf18("10","7","10","4","5","7","1") = "9"
    & skf18("10","7","10","4","5","8","1") = "9"
    & skf18("10","7","10","4","5","9","1") = "9"
    & skf18("10","7","10","4","5","10","1") = "9"
    & skf18("10","7","10","4","6","1","1") = "9"
    & skf18("10","7","10","4","6","2","1") = "9"
    & skf18("10","7","10","4","6","3","1") = "9"
    & skf18("10","7","10","4","6","4","1") = "9"
    & skf18("10","7","10","4","6","5","1") = "9"
    & skf18("10","7","10","4","6","6","1") = "9"
    & skf18("10","7","10","4","6","7","1") = "9"
    & skf18("10","7","10","4","6","8","1") = "9"
    & skf18("10","7","10","4","6","9","1") = "9"
    & skf18("10","7","10","4","6","10","1") = "9"
    & skf18("10","7","10","4","7","1","1") = "9"
    & skf18("10","7","10","4","7","2","1") = "9"
    & skf18("10","7","10","4","7","3","1") = "9"
    & skf18("10","7","10","4","7","4","1") = "9"
    & skf18("10","7","10","4","7","5","1") = "9"
    & skf18("10","7","10","4","7","6","1") = "9"
    & skf18("10","7","10","4","7","7","1") = "9"
    & skf18("10","7","10","4","7","8","1") = "9"
    & skf18("10","7","10","4","7","9","1") = "9"
    & skf18("10","7","10","4","7","10","1") = "9"
    & skf18("10","7","10","4","8","1","1") = "9"
    & skf18("10","7","10","4","8","2","1") = "9"
    & skf18("10","7","10","4","8","3","1") = "9"
    & skf18("10","7","10","4","8","4","1") = "9"
    & skf18("10","7","10","4","8","5","1") = "9"
    & skf18("10","7","10","4","8","6","1") = "9"
    & skf18("10","7","10","4","8","7","1") = "9"
    & skf18("10","7","10","4","8","8","1") = "9"
    & skf18("10","7","10","4","8","9","1") = "9"
    & skf18("10","7","10","4","8","10","1") = "9"
    & skf18("10","7","10","4","9","1","1") = "9"
    & skf18("10","7","10","4","9","2","1") = "9"
    & skf18("10","7","10","4","9","3","1") = "9"
    & skf18("10","7","10","4","9","4","1") = "9"
    & skf18("10","7","10","4","9","5","1") = "9"
    & skf18("10","7","10","4","9","6","1") = "9"
    & skf18("10","7","10","4","9","7","1") = "9"
    & skf18("10","7","10","4","9","8","1") = "9"
    & skf18("10","7","10","4","9","9","1") = "9"
    & skf18("10","7","10","4","9","10","1") = "9"
    & skf18("10","7","10","4","10","1","1") = "9"
    & skf18("10","7","10","4","10","2","1") = "9"
    & skf18("10","7","10","4","10","3","1") = "9"
    & skf18("10","7","10","4","10","4","1") = "9"
    & skf18("10","7","10","4","10","5","1") = "9"
    & skf18("10","7","10","4","10","6","1") = "9"
    & skf18("10","7","10","4","10","7","1") = "9"
    & skf18("10","7","10","4","10","8","1") = "9"
    & skf18("10","7","10","4","10","9","1") = "9"
    & skf18("10","7","10","4","10","10","1") = "9"
    & skf18("10","7","10","5","1","1","1") = "9"
    & skf18("10","7","10","5","1","2","1") = "9"
    & skf18("10","7","10","5","1","3","1") = "9"
    & skf18("10","7","10","5","1","4","1") = "9"
    & skf18("10","7","10","5","1","5","1") = "9"
    & skf18("10","7","10","5","1","6","1") = "9"
    & skf18("10","7","10","5","1","7","1") = "9"
    & skf18("10","7","10","5","1","8","1") = "9"
    & skf18("10","7","10","5","1","9","1") = "9"
    & skf18("10","7","10","5","1","10","1") = "9"
    & skf18("10","7","10","5","2","1","1") = "9"
    & skf18("10","7","10","5","2","2","1") = "9"
    & skf18("10","7","10","5","2","3","1") = "9"
    & skf18("10","7","10","5","2","4","1") = "9"
    & skf18("10","7","10","5","2","5","1") = "9"
    & skf18("10","7","10","5","2","6","1") = "9"
    & skf18("10","7","10","5","2","7","1") = "9"
    & skf18("10","7","10","5","2","8","1") = "9"
    & skf18("10","7","10","5","2","9","1") = "9"
    & skf18("10","7","10","5","2","10","1") = "9"
    & skf18("10","7","10","5","3","1","1") = "9"
    & skf18("10","7","10","5","3","2","1") = "9"
    & skf18("10","7","10","5","3","3","1") = "9"
    & skf18("10","7","10","5","3","4","1") = "9"
    & skf18("10","7","10","5","3","5","1") = "9"
    & skf18("10","7","10","5","3","6","1") = "9"
    & skf18("10","7","10","5","3","7","1") = "9"
    & skf18("10","7","10","5","3","8","1") = "9"
    & skf18("10","7","10","5","3","9","1") = "9"
    & skf18("10","7","10","5","3","10","1") = "9"
    & skf18("10","7","10","5","4","1","1") = "9"
    & skf18("10","7","10","5","4","2","1") = "9"
    & skf18("10","7","10","5","4","3","1") = "9"
    & skf18("10","7","10","5","4","4","1") = "9"
    & skf18("10","7","10","5","4","5","1") = "9"
    & skf18("10","7","10","5","4","6","1") = "9"
    & skf18("10","7","10","5","4","7","1") = "9"
    & skf18("10","7","10","5","4","8","1") = "9"
    & skf18("10","7","10","5","4","9","1") = "9"
    & skf18("10","7","10","5","4","10","1") = "9"
    & skf18("10","7","10","5","5","1","1") = "9"
    & skf18("10","7","10","5","5","2","1") = "9"
    & skf18("10","7","10","5","5","3","1") = "9"
    & skf18("10","7","10","5","5","4","1") = "9"
    & skf18("10","7","10","5","5","5","1") = "9"
    & skf18("10","7","10","5","5","6","1") = "9"
    & skf18("10","7","10","5","5","7","1") = "9"
    & skf18("10","7","10","5","5","8","1") = "9"
    & skf18("10","7","10","5","5","9","1") = "9"
    & skf18("10","7","10","5","5","10","1") = "9"
    & skf18("10","7","10","5","6","1","1") = "9"
    & skf18("10","7","10","5","6","2","1") = "9"
    & skf18("10","7","10","5","6","3","1") = "9"
    & skf18("10","7","10","5","6","4","1") = "9"
    & skf18("10","7","10","5","6","5","1") = "9"
    & skf18("10","7","10","5","6","6","1") = "9"
    & skf18("10","7","10","5","6","7","1") = "9"
    & skf18("10","7","10","5","6","8","1") = "9"
    & skf18("10","7","10","5","6","9","1") = "9"
    & skf18("10","7","10","5","6","10","1") = "9"
    & skf18("10","7","10","5","7","1","1") = "9"
    & skf18("10","7","10","5","7","2","1") = "9"
    & skf18("10","7","10","5","7","3","1") = "9"
    & skf18("10","7","10","5","7","4","1") = "9"
    & skf18("10","7","10","5","7","5","1") = "9"
    & skf18("10","7","10","5","7","6","1") = "9"
    & skf18("10","7","10","5","7","7","1") = "9"
    & skf18("10","7","10","5","7","8","1") = "9"
    & skf18("10","7","10","5","7","9","1") = "9"
    & skf18("10","7","10","5","7","10","1") = "9"
    & skf18("10","7","10","5","8","1","1") = "9"
    & skf18("10","7","10","5","8","2","1") = "9"
    & skf18("10","7","10","5","8","3","1") = "9"
    & skf18("10","7","10","5","8","4","1") = "9"
    & skf18("10","7","10","5","8","5","1") = "9"
    & skf18("10","7","10","5","8","6","1") = "9"
    & skf18("10","7","10","5","8","7","1") = "9"
    & skf18("10","7","10","5","8","8","1") = "9"
    & skf18("10","7","10","5","8","9","1") = "9"
    & skf18("10","7","10","5","8","10","1") = "9"
    & skf18("10","7","10","5","9","1","1") = "9"
    & skf18("10","7","10","5","9","2","1") = "9"
    & skf18("10","7","10","5","9","3","1") = "9"
    & skf18("10","7","10","5","9","4","1") = "9"
    & skf18("10","7","10","5","9","5","1") = "9"
    & skf18("10","7","10","5","9","6","1") = "9"
    & skf18("10","7","10","5","9","7","1") = "9"
    & skf18("10","7","10","5","9","8","1") = "9"
    & skf18("10","7","10","5","9","9","1") = "9"
    & skf18("10","7","10","5","9","10","1") = "9"
    & skf18("10","7","10","5","10","1","1") = "9"
    & skf18("10","7","10","5","10","2","1") = "9"
    & skf18("10","7","10","5","10","3","1") = "9"
    & skf18("10","7","10","5","10","4","1") = "9"
    & skf18("10","7","10","5","10","5","1") = "9"
    & skf18("10","7","10","5","10","6","1") = "9"
    & skf18("10","7","10","5","10","7","1") = "9"
    & skf18("10","7","10","5","10","8","1") = "9"
    & skf18("10","7","10","5","10","9","1") = "9"
    & skf18("10","7","10","5","10","10","1") = "9"
    & skf18("10","7","10","6","1","1","1") = "9"
    & skf18("10","7","10","6","1","2","1") = "9"
    & skf18("10","7","10","6","1","3","1") = "9"
    & skf18("10","7","10","6","1","4","1") = "9"
    & skf18("10","7","10","6","1","5","1") = "9"
    & skf18("10","7","10","6","1","6","1") = "9"
    & skf18("10","7","10","6","1","7","1") = "9"
    & skf18("10","7","10","6","1","8","1") = "9"
    & skf18("10","7","10","6","1","9","1") = "9"
    & skf18("10","7","10","6","1","10","1") = "9"
    & skf18("10","7","10","6","2","1","1") = "9"
    & skf18("10","7","10","6","2","2","1") = "9"
    & skf18("10","7","10","6","2","3","1") = "9"
    & skf18("10","7","10","6","2","4","1") = "9"
    & skf18("10","7","10","6","2","5","1") = "9"
    & skf18("10","7","10","6","2","6","1") = "9"
    & skf18("10","7","10","6","2","7","1") = "9"
    & skf18("10","7","10","6","2","8","1") = "9"
    & skf18("10","7","10","6","2","9","1") = "9"
    & skf18("10","7","10","6","2","10","1") = "9"
    & skf18("10","7","10","6","3","1","1") = "9"
    & skf18("10","7","10","6","3","2","1") = "9"
    & skf18("10","7","10","6","3","3","1") = "9"
    & skf18("10","7","10","6","3","4","1") = "9"
    & skf18("10","7","10","6","3","5","1") = "9"
    & skf18("10","7","10","6","3","6","1") = "9"
    & skf18("10","7","10","6","3","7","1") = "9"
    & skf18("10","7","10","6","3","8","1") = "9"
    & skf18("10","7","10","6","3","9","1") = "9"
    & skf18("10","7","10","6","3","10","1") = "9"
    & skf18("10","7","10","6","4","1","1") = "9"
    & skf18("10","7","10","6","4","2","1") = "9"
    & skf18("10","7","10","6","4","3","1") = "9"
    & skf18("10","7","10","6","4","4","1") = "9"
    & skf18("10","7","10","6","4","5","1") = "9"
    & skf18("10","7","10","6","4","6","1") = "9"
    & skf18("10","7","10","6","4","7","1") = "9"
    & skf18("10","7","10","6","4","8","1") = "9"
    & skf18("10","7","10","6","4","9","1") = "9"
    & skf18("10","7","10","6","4","10","1") = "9"
    & skf18("10","7","10","6","5","1","1") = "9"
    & skf18("10","7","10","6","5","2","1") = "9"
    & skf18("10","7","10","6","5","3","1") = "9"
    & skf18("10","7","10","6","5","4","1") = "9"
    & skf18("10","7","10","6","5","5","1") = "9"
    & skf18("10","7","10","6","5","6","1") = "9"
    & skf18("10","7","10","6","5","7","1") = "9"
    & skf18("10","7","10","6","5","8","1") = "9"
    & skf18("10","7","10","6","5","9","1") = "9"
    & skf18("10","7","10","6","5","10","1") = "9"
    & skf18("10","7","10","6","6","1","1") = "9"
    & skf18("10","7","10","6","6","2","1") = "9"
    & skf18("10","7","10","6","6","3","1") = "9"
    & skf18("10","7","10","6","6","4","1") = "9"
    & skf18("10","7","10","6","6","5","1") = "9"
    & skf18("10","7","10","6","6","6","1") = "9"
    & skf18("10","7","10","6","6","7","1") = "9"
    & skf18("10","7","10","6","6","8","1") = "9"
    & skf18("10","7","10","6","6","9","1") = "9"
    & skf18("10","7","10","6","6","10","1") = "9"
    & skf18("10","7","10","6","7","1","1") = "9"
    & skf18("10","7","10","6","7","2","1") = "9"
    & skf18("10","7","10","6","7","3","1") = "9"
    & skf18("10","7","10","6","7","4","1") = "9"
    & skf18("10","7","10","6","7","5","1") = "9"
    & skf18("10","7","10","6","7","6","1") = "9"
    & skf18("10","7","10","6","7","7","1") = "9"
    & skf18("10","7","10","6","7","8","1") = "9"
    & skf18("10","7","10","6","7","9","1") = "9"
    & skf18("10","7","10","6","7","10","1") = "9"
    & skf18("10","7","10","6","8","1","1") = "9"
    & skf18("10","7","10","6","8","2","1") = "9"
    & skf18("10","7","10","6","8","3","1") = "9"
    & skf18("10","7","10","6","8","4","1") = "9"
    & skf18("10","7","10","6","8","5","1") = "9"
    & skf18("10","7","10","6","8","6","1") = "9"
    & skf18("10","7","10","6","8","7","1") = "9"
    & skf18("10","7","10","6","8","8","1") = "9"
    & skf18("10","7","10","6","8","9","1") = "9"
    & skf18("10","7","10","6","8","10","1") = "9"
    & skf18("10","7","10","6","9","1","1") = "9"
    & skf18("10","7","10","6","9","2","1") = "9"
    & skf18("10","7","10","6","9","3","1") = "9"
    & skf18("10","7","10","6","9","4","1") = "9"
    & skf18("10","7","10","6","9","5","1") = "9"
    & skf18("10","7","10","6","9","6","1") = "9"
    & skf18("10","7","10","6","9","7","1") = "9"
    & skf18("10","7","10","6","9","8","1") = "9"
    & skf18("10","7","10","6","9","9","1") = "9"
    & skf18("10","7","10","6","9","10","1") = "9"
    & skf18("10","7","10","6","10","1","1") = "9"
    & skf18("10","7","10","6","10","2","1") = "9"
    & skf18("10","7","10","6","10","3","1") = "9"
    & skf18("10","7","10","6","10","4","1") = "9"
    & skf18("10","7","10","6","10","5","1") = "9"
    & skf18("10","7","10","6","10","6","1") = "9"
    & skf18("10","7","10","6","10","7","1") = "9"
    & skf18("10","7","10","6","10","8","1") = "9"
    & skf18("10","7","10","6","10","9","1") = "9"
    & skf18("10","7","10","6","10","10","1") = "9"
    & skf18("10","7","10","7","1","1","1") = "9"
    & skf18("10","7","10","7","1","2","1") = "9"
    & skf18("10","7","10","7","1","3","1") = "9"
    & skf18("10","7","10","7","1","4","1") = "9"
    & skf18("10","7","10","7","1","5","1") = "9"
    & skf18("10","7","10","7","1","6","1") = "9"
    & skf18("10","7","10","7","1","7","1") = "9"
    & skf18("10","7","10","7","1","8","1") = "9"
    & skf18("10","7","10","7","1","9","1") = "9"
    & skf18("10","7","10","7","1","10","1") = "9"
    & skf18("10","7","10","7","2","1","1") = "9"
    & skf18("10","7","10","7","2","2","1") = "9"
    & skf18("10","7","10","7","2","3","1") = "9"
    & skf18("10","7","10","7","2","4","1") = "9"
    & skf18("10","7","10","7","2","5","1") = "9"
    & skf18("10","7","10","7","2","6","1") = "9"
    & skf18("10","7","10","7","2","7","1") = "9"
    & skf18("10","7","10","7","2","8","1") = "9"
    & skf18("10","7","10","7","2","9","1") = "9"
    & skf18("10","7","10","7","2","10","1") = "9"
    & skf18("10","7","10","7","3","1","1") = "9"
    & skf18("10","7","10","7","3","2","1") = "9"
    & skf18("10","7","10","7","3","3","1") = "9"
    & skf18("10","7","10","7","3","4","1") = "9"
    & skf18("10","7","10","7","3","5","1") = "9"
    & skf18("10","7","10","7","3","6","1") = "9"
    & skf18("10","7","10","7","3","7","1") = "9"
    & skf18("10","7","10","7","3","8","1") = "9"
    & skf18("10","7","10","7","3","9","1") = "9"
    & skf18("10","7","10","7","3","10","1") = "9"
    & skf18("10","7","10","7","4","1","1") = "9"
    & skf18("10","7","10","7","4","2","1") = "9"
    & skf18("10","7","10","7","4","3","1") = "9"
    & skf18("10","7","10","7","4","4","1") = "9"
    & skf18("10","7","10","7","4","5","1") = "9"
    & skf18("10","7","10","7","4","6","1") = "9"
    & skf18("10","7","10","7","4","7","1") = "9"
    & skf18("10","7","10","7","4","8","1") = "9"
    & skf18("10","7","10","7","4","9","1") = "9"
    & skf18("10","7","10","7","4","10","1") = "9"
    & skf18("10","7","10","7","5","1","1") = "9"
    & skf18("10","7","10","7","5","2","1") = "9"
    & skf18("10","7","10","7","5","3","1") = "9"
    & skf18("10","7","10","7","5","4","1") = "9"
    & skf18("10","7","10","7","5","5","1") = "9"
    & skf18("10","7","10","7","5","6","1") = "9"
    & skf18("10","7","10","7","5","7","1") = "9"
    & skf18("10","7","10","7","5","8","1") = "9"
    & skf18("10","7","10","7","5","9","1") = "9"
    & skf18("10","7","10","7","5","10","1") = "9"
    & skf18("10","7","10","7","6","1","1") = "9"
    & skf18("10","7","10","7","6","2","1") = "9"
    & skf18("10","7","10","7","6","3","1") = "9"
    & skf18("10","7","10","7","6","4","1") = "9"
    & skf18("10","7","10","7","6","5","1") = "9"
    & skf18("10","7","10","7","6","6","1") = "9"
    & skf18("10","7","10","7","6","7","1") = "9"
    & skf18("10","7","10","7","6","8","1") = "9"
    & skf18("10","7","10","7","6","9","1") = "9"
    & skf18("10","7","10","7","6","10","1") = "9"
    & skf18("10","7","10","7","7","1","1") = "9"
    & skf18("10","7","10","7","7","2","1") = "9"
    & skf18("10","7","10","7","7","3","1") = "9"
    & skf18("10","7","10","7","7","4","1") = "9"
    & skf18("10","7","10","7","7","5","1") = "9"
    & skf18("10","7","10","7","7","6","1") = "9"
    & skf18("10","7","10","7","7","7","1") = "9"
    & skf18("10","7","10","7","7","8","1") = "9"
    & skf18("10","7","10","7","7","9","1") = "9"
    & skf18("10","7","10","7","7","10","1") = "9"
    & skf18("10","7","10","7","8","1","1") = "9"
    & skf18("10","7","10","7","8","2","1") = "9"
    & skf18("10","7","10","7","8","3","1") = "9"
    & skf18("10","7","10","7","8","4","1") = "9"
    & skf18("10","7","10","7","8","5","1") = "9"
    & skf18("10","7","10","7","8","6","1") = "9"
    & skf18("10","7","10","7","8","7","1") = "9"
    & skf18("10","7","10","7","8","8","1") = "9"
    & skf18("10","7","10","7","8","9","1") = "9"
    & skf18("10","7","10","7","8","10","1") = "9"
    & skf18("10","7","10","7","9","1","1") = "9"
    & skf18("10","7","10","7","9","2","1") = "9"
    & skf18("10","7","10","7","9","3","1") = "9"
    & skf18("10","7","10","7","9","4","1") = "9"
    & skf18("10","7","10","7","9","5","1") = "9"
    & skf18("10","7","10","7","9","6","1") = "9"
    & skf18("10","7","10","7","9","7","1") = "9"
    & skf18("10","7","10","7","9","8","1") = "9"
    & skf18("10","7","10","7","9","9","1") = "9"
    & skf18("10","7","10","7","9","10","1") = "9"
    & skf18("10","7","10","7","10","1","1") = "9"
    & skf18("10","7","10","7","10","2","1") = "9"
    & skf18("10","7","10","7","10","3","1") = "9"
    & skf18("10","7","10","7","10","4","1") = "9"
    & skf18("10","7","10","7","10","5","1") = "9"
    & skf18("10","7","10","7","10","6","1") = "9"
    & skf18("10","7","10","7","10","7","1") = "9"
    & skf18("10","7","10","7","10","8","1") = "9"
    & skf18("10","7","10","7","10","9","1") = "9"
    & skf18("10","7","10","7","10","10","1") = "9"
    & skf18("10","7","10","8","1","1","1") = "9"
    & skf18("10","7","10","8","1","2","1") = "9"
    & skf18("10","7","10","8","1","3","1") = "9"
    & skf18("10","7","10","8","1","4","1") = "9"
    & skf18("10","7","10","8","1","5","1") = "9"
    & skf18("10","7","10","8","1","6","1") = "9"
    & skf18("10","7","10","8","1","7","1") = "9"
    & skf18("10","7","10","8","1","8","1") = "9"
    & skf18("10","7","10","8","1","9","1") = "9"
    & skf18("10","7","10","8","1","10","1") = "9"
    & skf18("10","7","10","8","2","1","1") = "9"
    & skf18("10","7","10","8","2","2","1") = "9"
    & skf18("10","7","10","8","2","3","1") = "9"
    & skf18("10","7","10","8","2","4","1") = "9"
    & skf18("10","7","10","8","2","5","1") = "9"
    & skf18("10","7","10","8","2","6","1") = "9"
    & skf18("10","7","10","8","2","7","1") = "9"
    & skf18("10","7","10","8","2","8","1") = "9"
    & skf18("10","7","10","8","2","9","1") = "9"
    & skf18("10","7","10","8","2","10","1") = "9"
    & skf18("10","7","10","8","3","1","1") = "9"
    & skf18("10","7","10","8","3","2","1") = "9"
    & skf18("10","7","10","8","3","3","1") = "9"
    & skf18("10","7","10","8","3","4","1") = "9"
    & skf18("10","7","10","8","3","5","1") = "9"
    & skf18("10","7","10","8","3","6","1") = "9"
    & skf18("10","7","10","8","3","7","1") = "9"
    & skf18("10","7","10","8","3","8","1") = "9"
    & skf18("10","7","10","8","3","9","1") = "9"
    & skf18("10","7","10","8","3","10","1") = "9"
    & skf18("10","7","10","8","4","1","1") = "9"
    & skf18("10","7","10","8","4","2","1") = "9"
    & skf18("10","7","10","8","4","3","1") = "9"
    & skf18("10","7","10","8","4","4","1") = "9"
    & skf18("10","7","10","8","4","5","1") = "9"
    & skf18("10","7","10","8","4","6","1") = "9"
    & skf18("10","7","10","8","4","7","1") = "9"
    & skf18("10","7","10","8","4","8","1") = "9"
    & skf18("10","7","10","8","4","9","1") = "9"
    & skf18("10","7","10","8","4","10","1") = "9"
    & skf18("10","7","10","8","5","1","1") = "9"
    & skf18("10","7","10","8","5","2","1") = "9"
    & skf18("10","7","10","8","5","3","1") = "9"
    & skf18("10","7","10","8","5","4","1") = "9"
    & skf18("10","7","10","8","5","5","1") = "9"
    & skf18("10","7","10","8","5","6","1") = "9"
    & skf18("10","7","10","8","5","7","1") = "9"
    & skf18("10","7","10","8","5","8","1") = "9"
    & skf18("10","7","10","8","5","9","1") = "9"
    & skf18("10","7","10","8","5","10","1") = "9"
    & skf18("10","7","10","8","6","1","1") = "9"
    & skf18("10","7","10","8","6","2","1") = "9"
    & skf18("10","7","10","8","6","3","1") = "9"
    & skf18("10","7","10","8","6","4","1") = "9"
    & skf18("10","7","10","8","6","5","1") = "9"
    & skf18("10","7","10","8","6","6","1") = "9"
    & skf18("10","7","10","8","6","7","1") = "9"
    & skf18("10","7","10","8","6","8","1") = "9"
    & skf18("10","7","10","8","6","9","1") = "9"
    & skf18("10","7","10","8","6","10","1") = "9"
    & skf18("10","7","10","8","7","1","1") = "9"
    & skf18("10","7","10","8","7","2","1") = "9"
    & skf18("10","7","10","8","7","3","1") = "9"
    & skf18("10","7","10","8","7","4","1") = "9"
    & skf18("10","7","10","8","7","5","1") = "9"
    & skf18("10","7","10","8","7","6","1") = "9"
    & skf18("10","7","10","8","7","7","1") = "9"
    & skf18("10","7","10","8","7","8","1") = "9"
    & skf18("10","7","10","8","7","9","1") = "9"
    & skf18("10","7","10","8","7","10","1") = "9"
    & skf18("10","7","10","8","8","1","1") = "9"
    & skf18("10","7","10","8","8","2","1") = "9"
    & skf18("10","7","10","8","8","3","1") = "9"
    & skf18("10","7","10","8","8","4","1") = "9"
    & skf18("10","7","10","8","8","5","1") = "9"
    & skf18("10","7","10","8","8","6","1") = "9"
    & skf18("10","7","10","8","8","7","1") = "9"
    & skf18("10","7","10","8","8","8","1") = "9"
    & skf18("10","7","10","8","8","9","1") = "9"
    & skf18("10","7","10","8","8","10","1") = "9"
    & skf18("10","7","10","8","9","1","1") = "9"
    & skf18("10","7","10","8","9","2","1") = "9"
    & skf18("10","7","10","8","9","3","1") = "9"
    & skf18("10","7","10","8","9","4","1") = "9"
    & skf18("10","7","10","8","9","5","1") = "9"
    & skf18("10","7","10","8","9","6","1") = "9"
    & skf18("10","7","10","8","9","7","1") = "9"
    & skf18("10","7","10","8","9","8","1") = "9"
    & skf18("10","7","10","8","9","9","1") = "9"
    & skf18("10","7","10","8","9","10","1") = "9"
    & skf18("10","7","10","8","10","1","1") = "9"
    & skf18("10","7","10","8","10","2","1") = "9"
    & skf18("10","7","10","8","10","3","1") = "9"
    & skf18("10","7","10","8","10","4","1") = "9"
    & skf18("10","7","10","8","10","5","1") = "9"
    & skf18("10","7","10","8","10","6","1") = "9"
    & skf18("10","7","10","8","10","7","1") = "9"
    & skf18("10","7","10","8","10","8","1") = "9"
    & skf18("10","7","10","8","10","9","1") = "9"
    & skf18("10","7","10","8","10","10","1") = "9"
    & skf18("10","7","10","9","1","1","1") = "9"
    & skf18("10","7","10","9","1","2","1") = "9"
    & skf18("10","7","10","9","1","3","1") = "9"
    & skf18("10","7","10","9","1","4","1") = "9"
    & skf18("10","7","10","9","1","5","1") = "9"
    & skf18("10","7","10","9","1","6","1") = "9"
    & skf18("10","7","10","9","1","7","1") = "9"
    & skf18("10","7","10","9","1","8","1") = "9"
    & skf18("10","7","10","9","1","9","1") = "9"
    & skf18("10","7","10","9","1","10","1") = "9"
    & skf18("10","7","10","9","2","1","1") = "9"
    & skf18("10","7","10","9","2","2","1") = "9"
    & skf18("10","7","10","9","2","3","1") = "9"
    & skf18("10","7","10","9","2","4","1") = "9"
    & skf18("10","7","10","9","2","5","1") = "9"
    & skf18("10","7","10","9","2","6","1") = "9"
    & skf18("10","7","10","9","2","7","1") = "9"
    & skf18("10","7","10","9","2","8","1") = "9"
    & skf18("10","7","10","9","2","9","1") = "9"
    & skf18("10","7","10","9","2","10","1") = "9"
    & skf18("10","7","10","9","3","1","1") = "9"
    & skf18("10","7","10","9","3","2","1") = "9"
    & skf18("10","7","10","9","3","3","1") = "9"
    & skf18("10","7","10","9","3","4","1") = "9"
    & skf18("10","7","10","9","3","5","1") = "9"
    & skf18("10","7","10","9","3","6","1") = "9"
    & skf18("10","7","10","9","3","7","1") = "9"
    & skf18("10","7","10","9","3","8","1") = "9"
    & skf18("10","7","10","9","3","9","1") = "9"
    & skf18("10","7","10","9","3","10","1") = "9"
    & skf18("10","7","10","9","4","1","1") = "9"
    & skf18("10","7","10","9","4","2","1") = "9"
    & skf18("10","7","10","9","4","3","1") = "9"
    & skf18("10","7","10","9","4","4","1") = "9"
    & skf18("10","7","10","9","4","5","1") = "9"
    & skf18("10","7","10","9","4","6","1") = "9"
    & skf18("10","7","10","9","4","7","1") = "9"
    & skf18("10","7","10","9","4","8","1") = "9"
    & skf18("10","7","10","9","4","9","1") = "9"
    & skf18("10","7","10","9","4","10","1") = "9"
    & skf18("10","7","10","9","5","1","1") = "9"
    & skf18("10","7","10","9","5","2","1") = "9"
    & skf18("10","7","10","9","5","3","1") = "9"
    & skf18("10","7","10","9","5","4","1") = "9"
    & skf18("10","7","10","9","5","5","1") = "9"
    & skf18("10","7","10","9","5","6","1") = "9"
    & skf18("10","7","10","9","5","7","1") = "9"
    & skf18("10","7","10","9","5","8","1") = "9"
    & skf18("10","7","10","9","5","9","1") = "9"
    & skf18("10","7","10","9","5","10","1") = "9"
    & skf18("10","7","10","9","6","1","1") = "9"
    & skf18("10","7","10","9","6","2","1") = "9"
    & skf18("10","7","10","9","6","3","1") = "9"
    & skf18("10","7","10","9","6","4","1") = "9"
    & skf18("10","7","10","9","6","5","1") = "9"
    & skf18("10","7","10","9","6","6","1") = "9"
    & skf18("10","7","10","9","6","7","1") = "9"
    & skf18("10","7","10","9","6","8","1") = "9"
    & skf18("10","7","10","9","6","9","1") = "9"
    & skf18("10","7","10","9","6","10","1") = "9"
    & skf18("10","7","10","9","7","1","1") = "9"
    & skf18("10","7","10","9","7","2","1") = "9"
    & skf18("10","7","10","9","7","3","1") = "9"
    & skf18("10","7","10","9","7","4","1") = "9"
    & skf18("10","7","10","9","7","5","1") = "9"
    & skf18("10","7","10","9","7","6","1") = "9"
    & skf18("10","7","10","9","7","7","1") = "9"
    & skf18("10","7","10","9","7","8","1") = "9"
    & skf18("10","7","10","9","7","9","1") = "9"
    & skf18("10","7","10","9","7","10","1") = "9"
    & skf18("10","7","10","9","8","1","1") = "9"
    & skf18("10","7","10","9","8","2","1") = "9"
    & skf18("10","7","10","9","8","3","1") = "9"
    & skf18("10","7","10","9","8","4","1") = "9"
    & skf18("10","7","10","9","8","5","1") = "9"
    & skf18("10","7","10","9","8","6","1") = "9"
    & skf18("10","7","10","9","8","7","1") = "9"
    & skf18("10","7","10","9","8","8","1") = "9"
    & skf18("10","7","10","9","8","9","1") = "9"
    & skf18("10","7","10","9","8","10","1") = "9"
    & skf18("10","7","10","9","9","1","1") = "9"
    & skf18("10","7","10","9","9","2","1") = "9"
    & skf18("10","7","10","9","9","3","1") = "9"
    & skf18("10","7","10","9","9","4","1") = "9"
    & skf18("10","7","10","9","9","5","1") = "9"
    & skf18("10","7","10","9","9","6","1") = "9"
    & skf18("10","7","10","9","9","7","1") = "9"
    & skf18("10","7","10","9","9","8","1") = "9"
    & skf18("10","7","10","9","9","9","1") = "9"
    & skf18("10","7","10","9","9","10","1") = "9"
    & skf18("10","7","10","9","10","1","1") = "9"
    & skf18("10","7","10","9","10","2","1") = "9"
    & skf18("10","7","10","9","10","3","1") = "9"
    & skf18("10","7","10","9","10","4","1") = "9"
    & skf18("10","7","10","9","10","5","1") = "9"
    & skf18("10","7","10","9","10","6","1") = "9"
    & skf18("10","7","10","9","10","7","1") = "9"
    & skf18("10","7","10","9","10","8","1") = "9"
    & skf18("10","7","10","9","10","9","1") = "9"
    & skf18("10","7","10","9","10","10","1") = "9"
    & skf18("10","7","10","10","1","1","1") = "9"
    & skf18("10","7","10","10","1","2","1") = "9"
    & skf18("10","7","10","10","1","3","1") = "9"
    & skf18("10","7","10","10","1","4","1") = "9"
    & skf18("10","7","10","10","1","5","1") = "9"
    & skf18("10","7","10","10","1","6","1") = "9"
    & skf18("10","7","10","10","1","7","1") = "9"
    & skf18("10","7","10","10","1","8","1") = "9"
    & skf18("10","7","10","10","1","9","1") = "9"
    & skf18("10","7","10","10","1","10","1") = "9"
    & skf18("10","7","10","10","2","1","1") = "9"
    & skf18("10","7","10","10","2","2","1") = "9"
    & skf18("10","7","10","10","2","3","1") = "9"
    & skf18("10","7","10","10","2","4","1") = "9"
    & skf18("10","7","10","10","2","5","1") = "9"
    & skf18("10","7","10","10","2","6","1") = "9"
    & skf18("10","7","10","10","2","7","1") = "9"
    & skf18("10","7","10","10","2","8","1") = "9"
    & skf18("10","7","10","10","2","9","1") = "9"
    & skf18("10","7","10","10","2","10","1") = "9"
    & skf18("10","7","10","10","3","1","1") = "9"
    & skf18("10","7","10","10","3","2","1") = "9"
    & skf18("10","7","10","10","3","3","1") = "9"
    & skf18("10","7","10","10","3","4","1") = "9"
    & skf18("10","7","10","10","3","5","1") = "9"
    & skf18("10","7","10","10","3","6","1") = "9"
    & skf18("10","7","10","10","3","7","1") = "9"
    & skf18("10","7","10","10","3","8","1") = "9"
    & skf18("10","7","10","10","3","9","1") = "9"
    & skf18("10","7","10","10","3","10","1") = "9"
    & skf18("10","7","10","10","4","1","1") = "9"
    & skf18("10","7","10","10","4","2","1") = "9"
    & skf18("10","7","10","10","4","3","1") = "9"
    & skf18("10","7","10","10","4","4","1") = "9"
    & skf18("10","7","10","10","4","5","1") = "9"
    & skf18("10","7","10","10","4","6","1") = "9"
    & skf18("10","7","10","10","4","7","1") = "9"
    & skf18("10","7","10","10","4","8","1") = "9"
    & skf18("10","7","10","10","4","9","1") = "9"
    & skf18("10","7","10","10","4","10","1") = "9"
    & skf18("10","7","10","10","5","1","1") = "9"
    & skf18("10","7","10","10","5","2","1") = "9"
    & skf18("10","7","10","10","5","3","1") = "9"
    & skf18("10","7","10","10","5","4","1") = "9"
    & skf18("10","7","10","10","5","5","1") = "9"
    & skf18("10","7","10","10","5","6","1") = "9"
    & skf18("10","7","10","10","5","7","1") = "9"
    & skf18("10","7","10","10","5","8","1") = "9"
    & skf18("10","7","10","10","5","9","1") = "9"
    & skf18("10","7","10","10","5","10","1") = "9"
    & skf18("10","7","10","10","6","1","1") = "9"
    & skf18("10","7","10","10","6","2","1") = "9"
    & skf18("10","7","10","10","6","3","1") = "9"
    & skf18("10","7","10","10","6","4","1") = "9"
    & skf18("10","7","10","10","6","5","1") = "9"
    & skf18("10","7","10","10","6","6","1") = "9"
    & skf18("10","7","10","10","6","7","1") = "9"
    & skf18("10","7","10","10","6","8","1") = "9"
    & skf18("10","7","10","10","6","9","1") = "9"
    & skf18("10","7","10","10","6","10","1") = "9"
    & skf18("10","7","10","10","7","1","1") = "9"
    & skf18("10","7","10","10","7","2","1") = "9"
    & skf18("10","7","10","10","7","3","1") = "9"
    & skf18("10","7","10","10","7","4","1") = "9"
    & skf18("10","7","10","10","7","5","1") = "9"
    & skf18("10","7","10","10","7","6","1") = "9"
    & skf18("10","7","10","10","7","7","1") = "9"
    & skf18("10","7","10","10","7","8","1") = "9"
    & skf18("10","7","10","10","7","9","1") = "9"
    & skf18("10","7","10","10","7","10","1") = "9"
    & skf18("10","7","10","10","8","1","1") = "9"
    & skf18("10","7","10","10","8","2","1") = "9"
    & skf18("10","7","10","10","8","3","1") = "9"
    & skf18("10","7","10","10","8","4","1") = "9"
    & skf18("10","7","10","10","8","5","1") = "9"
    & skf18("10","7","10","10","8","6","1") = "9"
    & skf18("10","7","10","10","8","7","1") = "9"
    & skf18("10","7","10","10","8","8","1") = "9"
    & skf18("10","7","10","10","8","9","1") = "9"
    & skf18("10","7","10","10","8","10","1") = "9"
    & skf18("10","7","10","10","9","1","1") = "9"
    & skf18("10","7","10","10","9","2","1") = "9"
    & skf18("10","7","10","10","9","3","1") = "9"
    & skf18("10","7","10","10","9","4","1") = "9"
    & skf18("10","7","10","10","9","5","1") = "9"
    & skf18("10","7","10","10","9","6","1") = "9"
    & skf18("10","7","10","10","9","7","1") = "9"
    & skf18("10","7","10","10","9","8","1") = "9"
    & skf18("10","7","10","10","9","9","1") = "9"
    & skf18("10","7","10","10","9","10","1") = "9"
    & skf18("10","7","10","10","10","1","1") = "9"
    & skf18("10","7","10","10","10","2","1") = "9"
    & skf18("10","7","10","10","10","3","1") = "9"
    & skf18("10","7","10","10","10","4","1") = "9"
    & skf18("10","7","10","10","10","5","1") = "9"
    & skf18("10","7","10","10","10","6","1") = "9"
    & skf18("10","7","10","10","10","7","1") = "9"
    & skf18("10","7","10","10","10","8","1") = "9"
    & skf18("10","7","10","10","10","9","1") = "9"
    & skf18("10","7","10","10","10","10","1") = "9"
    & skf18("10","8","1","1","1","1","1") = "9"
    & skf18("10","8","1","1","1","2","1") = "9"
    & skf18("10","8","1","1","1","3","1") = "9"
    & skf18("10","8","1","1","1","4","1") = "9"
    & skf18("10","8","1","1","1","5","1") = "9"
    & skf18("10","8","1","1","1","6","1") = "9"
    & skf18("10","8","1","1","1","7","1") = "9"
    & skf18("10","8","1","1","1","8","1") = "9"
    & skf18("10","8","1","1","1","9","1") = "9"
    & skf18("10","8","1","1","1","10","1") = "9"
    & skf18("10","8","1","1","2","1","1") = "9"
    & skf18("10","8","1","1","2","2","1") = "9"
    & skf18("10","8","1","1","2","3","1") = "9"
    & skf18("10","8","1","1","2","4","1") = "9"
    & skf18("10","8","1","1","2","5","1") = "9"
    & skf18("10","8","1","1","2","6","1") = "9"
    & skf18("10","8","1","1","2","7","1") = "9"
    & skf18("10","8","1","1","2","8","1") = "9"
    & skf18("10","8","1","1","2","9","1") = "9"
    & skf18("10","8","1","1","2","10","1") = "9"
    & skf18("10","8","1","1","3","1","1") = "9"
    & skf18("10","8","1","1","3","2","1") = "9"
    & skf18("10","8","1","1","3","3","1") = "9"
    & skf18("10","8","1","1","3","4","1") = "9"
    & skf18("10","8","1","1","3","5","1") = "9"
    & skf18("10","8","1","1","3","6","1") = "9"
    & skf18("10","8","1","1","3","7","1") = "9"
    & skf18("10","8","1","1","3","8","1") = "9"
    & skf18("10","8","1","1","3","9","1") = "9"
    & skf18("10","8","1","1","3","10","1") = "9"
    & skf18("10","8","1","1","4","1","1") = "9"
    & skf18("10","8","1","1","4","2","1") = "9"
    & skf18("10","8","1","1","4","3","1") = "9"
    & skf18("10","8","1","1","4","4","1") = "9"
    & skf18("10","8","1","1","4","5","1") = "9"
    & skf18("10","8","1","1","4","6","1") = "9"
    & skf18("10","8","1","1","4","7","1") = "9"
    & skf18("10","8","1","1","4","8","1") = "9"
    & skf18("10","8","1","1","4","9","1") = "9"
    & skf18("10","8","1","1","4","10","1") = "9"
    & skf18("10","8","1","1","5","1","1") = "9"
    & skf18("10","8","1","1","5","2","1") = "9"
    & skf18("10","8","1","1","5","3","1") = "9"
    & skf18("10","8","1","1","5","4","1") = "9"
    & skf18("10","8","1","1","5","5","1") = "9"
    & skf18("10","8","1","1","5","6","1") = "9"
    & skf18("10","8","1","1","5","7","1") = "9"
    & skf18("10","8","1","1","5","8","1") = "9"
    & skf18("10","8","1","1","5","9","1") = "9"
    & skf18("10","8","1","1","5","10","1") = "9"
    & skf18("10","8","1","1","6","1","1") = "9"
    & skf18("10","8","1","1","6","2","1") = "9"
    & skf18("10","8","1","1","6","3","1") = "9"
    & skf18("10","8","1","1","6","4","1") = "9"
    & skf18("10","8","1","1","6","5","1") = "9"
    & skf18("10","8","1","1","6","6","1") = "9"
    & skf18("10","8","1","1","6","7","1") = "9"
    & skf18("10","8","1","1","6","8","1") = "9"
    & skf18("10","8","1","1","6","9","1") = "9"
    & skf18("10","8","1","1","6","10","1") = "9"
    & skf18("10","8","1","1","7","1","1") = "9"
    & skf18("10","8","1","1","7","2","1") = "9"
    & skf18("10","8","1","1","7","3","1") = "9"
    & skf18("10","8","1","1","7","4","1") = "9"
    & skf18("10","8","1","1","7","5","1") = "9"
    & skf18("10","8","1","1","7","6","1") = "9"
    & skf18("10","8","1","1","7","7","1") = "9"
    & skf18("10","8","1","1","7","8","1") = "9"
    & skf18("10","8","1","1","7","9","1") = "9"
    & skf18("10","8","1","1","7","10","1") = "9"
    & skf18("10","8","1","1","8","1","1") = "9"
    & skf18("10","8","1","1","8","2","1") = "9"
    & skf18("10","8","1","1","8","3","1") = "9"
    & skf18("10","8","1","1","8","4","1") = "9"
    & skf18("10","8","1","1","8","5","1") = "9"
    & skf18("10","8","1","1","8","6","1") = "9"
    & skf18("10","8","1","1","8","7","1") = "9"
    & skf18("10","8","1","1","8","8","1") = "9"
    & skf18("10","8","1","1","8","9","1") = "9"
    & skf18("10","8","1","1","8","10","1") = "9"
    & skf18("10","8","1","1","9","1","1") = "9"
    & skf18("10","8","1","1","9","2","1") = "9"
    & skf18("10","8","1","1","9","3","1") = "9"
    & skf18("10","8","1","1","9","4","1") = "9"
    & skf18("10","8","1","1","9","5","1") = "9"
    & skf18("10","8","1","1","9","6","1") = "9"
    & skf18("10","8","1","1","9","7","1") = "9"
    & skf18("10","8","1","1","9","8","1") = "9"
    & skf18("10","8","1","1","9","9","1") = "9"
    & skf18("10","8","1","1","9","10","1") = "9"
    & skf18("10","8","1","1","10","1","1") = "9"
    & skf18("10","8","1","1","10","2","1") = "9"
    & skf18("10","8","1","1","10","3","1") = "9"
    & skf18("10","8","1","1","10","4","1") = "9"
    & skf18("10","8","1","1","10","5","1") = "9"
    & skf18("10","8","1","1","10","6","1") = "9"
    & skf18("10","8","1","1","10","7","1") = "9"
    & skf18("10","8","1","1","10","8","1") = "9"
    & skf18("10","8","1","1","10","9","1") = "9"
    & skf18("10","8","1","1","10","10","1") = "9"
    & skf18("10","8","1","2","1","1","1") = "9"
    & skf18("10","8","1","2","1","2","1") = "9"
    & skf18("10","8","1","2","1","3","1") = "9"
    & skf18("10","8","1","2","1","4","1") = "9"
    & skf18("10","8","1","2","1","5","1") = "9"
    & skf18("10","8","1","2","1","6","1") = "9"
    & skf18("10","8","1","2","1","7","1") = "9"
    & skf18("10","8","1","2","1","8","1") = "9"
    & skf18("10","8","1","2","1","9","1") = "9"
    & skf18("10","8","1","2","1","10","1") = "9"
    & skf18("10","8","1","2","2","1","1") = "9"
    & skf18("10","8","1","2","2","2","1") = "9"
    & skf18("10","8","1","2","2","3","1") = "9"
    & skf18("10","8","1","2","2","4","1") = "9"
    & skf18("10","8","1","2","2","5","1") = "9"
    & skf18("10","8","1","2","2","6","1") = "9"
    & skf18("10","8","1","2","2","7","1") = "9"
    & skf18("10","8","1","2","2","8","1") = "9"
    & skf18("10","8","1","2","2","9","1") = "9"
    & skf18("10","8","1","2","2","10","1") = "9"
    & skf18("10","8","1","2","3","1","1") = "9"
    & skf18("10","8","1","2","3","2","1") = "9"
    & skf18("10","8","1","2","3","3","1") = "9"
    & skf18("10","8","1","2","3","4","1") = "9"
    & skf18("10","8","1","2","3","5","1") = "9"
    & skf18("10","8","1","2","3","6","1") = "9"
    & skf18("10","8","1","2","3","7","1") = "9"
    & skf18("10","8","1","2","3","8","1") = "9"
    & skf18("10","8","1","2","3","9","1") = "9"
    & skf18("10","8","1","2","3","10","1") = "9"
    & skf18("10","8","1","2","4","1","1") = "9"
    & skf18("10","8","1","2","4","2","1") = "9"
    & skf18("10","8","1","2","4","3","1") = "9"
    & skf18("10","8","1","2","4","4","1") = "9"
    & skf18("10","8","1","2","4","5","1") = "9"
    & skf18("10","8","1","2","4","6","1") = "9"
    & skf18("10","8","1","2","4","7","1") = "9"
    & skf18("10","8","1","2","4","8","1") = "9"
    & skf18("10","8","1","2","4","9","1") = "9"
    & skf18("10","8","1","2","4","10","1") = "9"
    & skf18("10","8","1","2","5","1","1") = "9"
    & skf18("10","8","1","2","5","2","1") = "9"
    & skf18("10","8","1","2","5","3","1") = "9"
    & skf18("10","8","1","2","5","4","1") = "9"
    & skf18("10","8","1","2","5","5","1") = "9"
    & skf18("10","8","1","2","5","6","1") = "9"
    & skf18("10","8","1","2","5","7","1") = "9"
    & skf18("10","8","1","2","5","8","1") = "9"
    & skf18("10","8","1","2","5","9","1") = "9"
    & skf18("10","8","1","2","5","10","1") = "9"
    & skf18("10","8","1","2","6","1","1") = "9"
    & skf18("10","8","1","2","6","2","1") = "9"
    & skf18("10","8","1","2","6","3","1") = "9"
    & skf18("10","8","1","2","6","4","1") = "9"
    & skf18("10","8","1","2","6","5","1") = "9"
    & skf18("10","8","1","2","6","6","1") = "9"
    & skf18("10","8","1","2","6","7","1") = "9"
    & skf18("10","8","1","2","6","8","1") = "9"
    & skf18("10","8","1","2","6","9","1") = "9"
    & skf18("10","8","1","2","6","10","1") = "9"
    & skf18("10","8","1","2","7","1","1") = "9"
    & skf18("10","8","1","2","7","2","1") = "9"
    & skf18("10","8","1","2","7","3","1") = "9"
    & skf18("10","8","1","2","7","4","1") = "9"
    & skf18("10","8","1","2","7","5","1") = "9"
    & skf18("10","8","1","2","7","6","1") = "9"
    & skf18("10","8","1","2","7","7","1") = "9"
    & skf18("10","8","1","2","7","8","1") = "9"
    & skf18("10","8","1","2","7","9","1") = "9"
    & skf18("10","8","1","2","7","10","1") = "9"
    & skf18("10","8","1","2","8","1","1") = "9"
    & skf18("10","8","1","2","8","2","1") = "9"
    & skf18("10","8","1","2","8","3","1") = "9"
    & skf18("10","8","1","2","8","4","1") = "9"
    & skf18("10","8","1","2","8","5","1") = "9"
    & skf18("10","8","1","2","8","6","1") = "9"
    & skf18("10","8","1","2","8","7","1") = "9"
    & skf18("10","8","1","2","8","8","1") = "9"
    & skf18("10","8","1","2","8","9","1") = "9"
    & skf18("10","8","1","2","8","10","1") = "9"
    & skf18("10","8","1","2","9","1","1") = "9"
    & skf18("10","8","1","2","9","2","1") = "9"
    & skf18("10","8","1","2","9","3","1") = "9"
    & skf18("10","8","1","2","9","4","1") = "9"
    & skf18("10","8","1","2","9","5","1") = "9"
    & skf18("10","8","1","2","9","6","1") = "9"
    & skf18("10","8","1","2","9","7","1") = "9"
    & skf18("10","8","1","2","9","8","1") = "9"
    & skf18("10","8","1","2","9","9","1") = "9"
    & skf18("10","8","1","2","9","10","1") = "9"
    & skf18("10","8","1","2","10","1","1") = "9"
    & skf18("10","8","1","2","10","2","1") = "9"
    & skf18("10","8","1","2","10","3","1") = "9"
    & skf18("10","8","1","2","10","4","1") = "9"
    & skf18("10","8","1","2","10","5","1") = "9"
    & skf18("10","8","1","2","10","6","1") = "9"
    & skf18("10","8","1","2","10","7","1") = "9"
    & skf18("10","8","1","2","10","8","1") = "9"
    & skf18("10","8","1","2","10","9","1") = "9"
    & skf18("10","8","1","2","10","10","1") = "9"
    & skf18("10","8","1","3","1","1","1") = "9"
    & skf18("10","8","1","3","1","2","1") = "9"
    & skf18("10","8","1","3","1","3","1") = "9"
    & skf18("10","8","1","3","1","4","1") = "9"
    & skf18("10","8","1","3","1","5","1") = "9"
    & skf18("10","8","1","3","1","6","1") = "9"
    & skf18("10","8","1","3","1","7","1") = "9"
    & skf18("10","8","1","3","1","8","1") = "9"
    & skf18("10","8","1","3","1","9","1") = "9"
    & skf18("10","8","1","3","1","10","1") = "9"
    & skf18("10","8","1","3","2","1","1") = "9"
    & skf18("10","8","1","3","2","2","1") = "9"
    & skf18("10","8","1","3","2","3","1") = "9"
    & skf18("10","8","1","3","2","4","1") = "9"
    & skf18("10","8","1","3","2","5","1") = "9"
    & skf18("10","8","1","3","2","6","1") = "9"
    & skf18("10","8","1","3","2","7","1") = "9"
    & skf18("10","8","1","3","2","8","1") = "9"
    & skf18("10","8","1","3","2","9","1") = "9"
    & skf18("10","8","1","3","2","10","1") = "9"
    & skf18("10","8","1","3","3","1","1") = "9"
    & skf18("10","8","1","3","3","2","1") = "9"
    & skf18("10","8","1","3","3","3","1") = "9"
    & skf18("10","8","1","3","3","4","1") = "9"
    & skf18("10","8","1","3","3","5","1") = "9"
    & skf18("10","8","1","3","3","6","1") = "9"
    & skf18("10","8","1","3","3","7","1") = "9"
    & skf18("10","8","1","3","3","8","1") = "9"
    & skf18("10","8","1","3","3","9","1") = "9"
    & skf18("10","8","1","3","3","10","1") = "9"
    & skf18("10","8","1","3","4","1","1") = "9"
    & skf18("10","8","1","3","4","2","1") = "9"
    & skf18("10","8","1","3","4","3","1") = "9"
    & skf18("10","8","1","3","4","4","1") = "9"
    & skf18("10","8","1","3","4","5","1") = "9"
    & skf18("10","8","1","3","4","6","1") = "9"
    & skf18("10","8","1","3","4","7","1") = "9"
    & skf18("10","8","1","3","4","8","1") = "9"
    & skf18("10","8","1","3","4","9","1") = "9"
    & skf18("10","8","1","3","4","10","1") = "9"
    & skf18("10","8","1","3","5","1","1") = "9"
    & skf18("10","8","1","3","5","2","1") = "9"
    & skf18("10","8","1","3","5","3","1") = "9"
    & skf18("10","8","1","3","5","4","1") = "9"
    & skf18("10","8","1","3","5","5","1") = "9"
    & skf18("10","8","1","3","5","6","1") = "9"
    & skf18("10","8","1","3","5","7","1") = "9"
    & skf18("10","8","1","3","5","8","1") = "9"
    & skf18("10","8","1","3","5","9","1") = "9"
    & skf18("10","8","1","3","5","10","1") = "9"
    & skf18("10","8","1","3","6","1","1") = "9"
    & skf18("10","8","1","3","6","2","1") = "9"
    & skf18("10","8","1","3","6","3","1") = "9"
    & skf18("10","8","1","3","6","4","1") = "9"
    & skf18("10","8","1","3","6","5","1") = "9"
    & skf18("10","8","1","3","6","6","1") = "9"
    & skf18("10","8","1","3","6","7","1") = "9"
    & skf18("10","8","1","3","6","8","1") = "9"
    & skf18("10","8","1","3","6","9","1") = "9"
    & skf18("10","8","1","3","6","10","1") = "9"
    & skf18("10","8","1","3","7","1","1") = "9"
    & skf18("10","8","1","3","7","2","1") = "9"
    & skf18("10","8","1","3","7","3","1") = "9"
    & skf18("10","8","1","3","7","4","1") = "9"
    & skf18("10","8","1","3","7","5","1") = "9"
    & skf18("10","8","1","3","7","6","1") = "9"
    & skf18("10","8","1","3","7","7","1") = "9"
    & skf18("10","8","1","3","7","8","1") = "9"
    & skf18("10","8","1","3","7","9","1") = "9"
    & skf18("10","8","1","3","7","10","1") = "9"
    & skf18("10","8","1","3","8","1","1") = "9"
    & skf18("10","8","1","3","8","2","1") = "9"
    & skf18("10","8","1","3","8","3","1") = "9"
    & skf18("10","8","1","3","8","4","1") = "9"
    & skf18("10","8","1","3","8","5","1") = "9"
    & skf18("10","8","1","3","8","6","1") = "9"
    & skf18("10","8","1","3","8","7","1") = "9"
    & skf18("10","8","1","3","8","8","1") = "9"
    & skf18("10","8","1","3","8","9","1") = "9"
    & skf18("10","8","1","3","8","10","1") = "9"
    & skf18("10","8","1","3","9","1","1") = "9"
    & skf18("10","8","1","3","9","2","1") = "9"
    & skf18("10","8","1","3","9","3","1") = "9"
    & skf18("10","8","1","3","9","4","1") = "9"
    & skf18("10","8","1","3","9","5","1") = "9"
    & skf18("10","8","1","3","9","6","1") = "9"
    & skf18("10","8","1","3","9","7","1") = "9"
    & skf18("10","8","1","3","9","8","1") = "9"
    & skf18("10","8","1","3","9","9","1") = "9"
    & skf18("10","8","1","3","9","10","1") = "9"
    & skf18("10","8","1","3","10","1","1") = "9"
    & skf18("10","8","1","3","10","2","1") = "9"
    & skf18("10","8","1","3","10","3","1") = "9"
    & skf18("10","8","1","3","10","4","1") = "9"
    & skf18("10","8","1","3","10","5","1") = "9"
    & skf18("10","8","1","3","10","6","1") = "9"
    & skf18("10","8","1","3","10","7","1") = "9"
    & skf18("10","8","1","3","10","8","1") = "9"
    & skf18("10","8","1","3","10","9","1") = "9"
    & skf18("10","8","1","3","10","10","1") = "9"
    & skf18("10","8","1","4","1","1","1") = "9"
    & skf18("10","8","1","4","1","2","1") = "9"
    & skf18("10","8","1","4","1","3","1") = "9"
    & skf18("10","8","1","4","1","4","1") = "9"
    & skf18("10","8","1","4","1","5","1") = "9"
    & skf18("10","8","1","4","1","6","1") = "9"
    & skf18("10","8","1","4","1","7","1") = "9"
    & skf18("10","8","1","4","1","8","1") = "9"
    & skf18("10","8","1","4","1","9","1") = "9"
    & skf18("10","8","1","4","1","10","1") = "9"
    & skf18("10","8","1","4","2","1","1") = "9"
    & skf18("10","8","1","4","2","2","1") = "9"
    & skf18("10","8","1","4","2","3","1") = "9"
    & skf18("10","8","1","4","2","4","1") = "9"
    & skf18("10","8","1","4","2","5","1") = "9"
    & skf18("10","8","1","4","2","6","1") = "9"
    & skf18("10","8","1","4","2","7","1") = "9"
    & skf18("10","8","1","4","2","8","1") = "9"
    & skf18("10","8","1","4","2","9","1") = "9"
    & skf18("10","8","1","4","2","10","1") = "9"
    & skf18("10","8","1","4","3","1","1") = "9"
    & skf18("10","8","1","4","3","2","1") = "9"
    & skf18("10","8","1","4","3","3","1") = "9"
    & skf18("10","8","1","4","3","4","1") = "9"
    & skf18("10","8","1","4","3","5","1") = "9"
    & skf18("10","8","1","4","3","6","1") = "9"
    & skf18("10","8","1","4","3","7","1") = "9"
    & skf18("10","8","1","4","3","8","1") = "9"
    & skf18("10","8","1","4","3","9","1") = "9"
    & skf18("10","8","1","4","3","10","1") = "9"
    & skf18("10","8","1","4","4","1","1") = "9"
    & skf18("10","8","1","4","4","2","1") = "9"
    & skf18("10","8","1","4","4","3","1") = "9"
    & skf18("10","8","1","4","4","4","1") = "9"
    & skf18("10","8","1","4","4","5","1") = "9"
    & skf18("10","8","1","4","4","6","1") = "9"
    & skf18("10","8","1","4","4","7","1") = "9"
    & skf18("10","8","1","4","4","8","1") = "9"
    & skf18("10","8","1","4","4","9","1") = "9"
    & skf18("10","8","1","4","4","10","1") = "9"
    & skf18("10","8","1","4","5","1","1") = "9"
    & skf18("10","8","1","4","5","2","1") = "9"
    & skf18("10","8","1","4","5","3","1") = "9"
    & skf18("10","8","1","4","5","4","1") = "9"
    & skf18("10","8","1","4","5","5","1") = "9"
    & skf18("10","8","1","4","5","6","1") = "9"
    & skf18("10","8","1","4","5","7","1") = "9"
    & skf18("10","8","1","4","5","8","1") = "9"
    & skf18("10","8","1","4","5","9","1") = "9"
    & skf18("10","8","1","4","5","10","1") = "9"
    & skf18("10","8","1","4","6","1","1") = "9"
    & skf18("10","8","1","4","6","2","1") = "9"
    & skf18("10","8","1","4","6","3","1") = "9"
    & skf18("10","8","1","4","6","4","1") = "9"
    & skf18("10","8","1","4","6","5","1") = "9"
    & skf18("10","8","1","4","6","6","1") = "9"
    & skf18("10","8","1","4","6","7","1") = "9"
    & skf18("10","8","1","4","6","8","1") = "9"
    & skf18("10","8","1","4","6","9","1") = "9"
    & skf18("10","8","1","4","6","10","1") = "9"
    & skf18("10","8","1","4","7","1","1") = "9"
    & skf18("10","8","1","4","7","2","1") = "9"
    & skf18("10","8","1","4","7","3","1") = "9"
    & skf18("10","8","1","4","7","4","1") = "9"
    & skf18("10","8","1","4","7","5","1") = "9"
    & skf18("10","8","1","4","7","6","1") = "9"
    & skf18("10","8","1","4","7","7","1") = "9"
    & skf18("10","8","1","4","7","8","1") = "9"
    & skf18("10","8","1","4","7","9","1") = "9"
    & skf18("10","8","1","4","7","10","1") = "9"
    & skf18("10","8","1","4","8","1","1") = "9"
    & skf18("10","8","1","4","8","2","1") = "9"
    & skf18("10","8","1","4","8","3","1") = "9"
    & skf18("10","8","1","4","8","4","1") = "9"
    & skf18("10","8","1","4","8","5","1") = "9"
    & skf18("10","8","1","4","8","6","1") = "9"
    & skf18("10","8","1","4","8","7","1") = "9"
    & skf18("10","8","1","4","8","8","1") = "9"
    & skf18("10","8","1","4","8","9","1") = "9"
    & skf18("10","8","1","4","8","10","1") = "9"
    & skf18("10","8","1","4","9","1","1") = "9"
    & skf18("10","8","1","4","9","2","1") = "9"
    & skf18("10","8","1","4","9","3","1") = "9"
    & skf18("10","8","1","4","9","4","1") = "9"
    & skf18("10","8","1","4","9","5","1") = "9"
    & skf18("10","8","1","4","9","6","1") = "9"
    & skf18("10","8","1","4","9","7","1") = "9"
    & skf18("10","8","1","4","9","8","1") = "9"
    & skf18("10","8","1","4","9","9","1") = "9"
    & skf18("10","8","1","4","9","10","1") = "9"
    & skf18("10","8","1","4","10","1","1") = "9"
    & skf18("10","8","1","4","10","2","1") = "9"
    & skf18("10","8","1","4","10","3","1") = "9"
    & skf18("10","8","1","4","10","4","1") = "9"
    & skf18("10","8","1","4","10","5","1") = "9"
    & skf18("10","8","1","4","10","6","1") = "9"
    & skf18("10","8","1","4","10","7","1") = "9"
    & skf18("10","8","1","4","10","8","1") = "9"
    & skf18("10","8","1","4","10","9","1") = "9"
    & skf18("10","8","1","4","10","10","1") = "9"
    & skf18("10","8","1","5","1","1","1") = "9"
    & skf18("10","8","1","5","1","2","1") = "9"
    & skf18("10","8","1","5","1","3","1") = "9"
    & skf18("10","8","1","5","1","4","1") = "9"
    & skf18("10","8","1","5","1","5","1") = "9"
    & skf18("10","8","1","5","1","6","1") = "9"
    & skf18("10","8","1","5","1","7","1") = "9"
    & skf18("10","8","1","5","1","8","1") = "9"
    & skf18("10","8","1","5","1","9","1") = "9"
    & skf18("10","8","1","5","1","10","1") = "9"
    & skf18("10","8","1","5","2","1","1") = "9"
    & skf18("10","8","1","5","2","2","1") = "9"
    & skf18("10","8","1","5","2","3","1") = "9"
    & skf18("10","8","1","5","2","4","1") = "9"
    & skf18("10","8","1","5","2","5","1") = "9"
    & skf18("10","8","1","5","2","6","1") = "9"
    & skf18("10","8","1","5","2","7","1") = "9"
    & skf18("10","8","1","5","2","8","1") = "9"
    & skf18("10","8","1","5","2","9","1") = "9"
    & skf18("10","8","1","5","2","10","1") = "9"
    & skf18("10","8","1","5","3","1","1") = "9"
    & skf18("10","8","1","5","3","2","1") = "9"
    & skf18("10","8","1","5","3","3","1") = "9"
    & skf18("10","8","1","5","3","4","1") = "9"
    & skf18("10","8","1","5","3","5","1") = "9"
    & skf18("10","8","1","5","3","6","1") = "9"
    & skf18("10","8","1","5","3","7","1") = "9"
    & skf18("10","8","1","5","3","8","1") = "9"
    & skf18("10","8","1","5","3","9","1") = "9"
    & skf18("10","8","1","5","3","10","1") = "9"
    & skf18("10","8","1","5","4","1","1") = "9"
    & skf18("10","8","1","5","4","2","1") = "9"
    & skf18("10","8","1","5","4","3","1") = "9"
    & skf18("10","8","1","5","4","4","1") = "9"
    & skf18("10","8","1","5","4","5","1") = "9"
    & skf18("10","8","1","5","4","6","1") = "9"
    & skf18("10","8","1","5","4","7","1") = "9"
    & skf18("10","8","1","5","4","8","1") = "9"
    & skf18("10","8","1","5","4","9","1") = "9"
    & skf18("10","8","1","5","4","10","1") = "9"
    & skf18("10","8","1","5","5","1","1") = "9"
    & skf18("10","8","1","5","5","2","1") = "9"
    & skf18("10","8","1","5","5","3","1") = "9"
    & skf18("10","8","1","5","5","4","1") = "9"
    & skf18("10","8","1","5","5","5","1") = "9"
    & skf18("10","8","1","5","5","6","1") = "9"
    & skf18("10","8","1","5","5","7","1") = "9"
    & skf18("10","8","1","5","5","8","1") = "9"
    & skf18("10","8","1","5","5","9","1") = "9"
    & skf18("10","8","1","5","5","10","1") = "9"
    & skf18("10","8","1","5","6","1","1") = "9"
    & skf18("10","8","1","5","6","2","1") = "9"
    & skf18("10","8","1","5","6","3","1") = "9"
    & skf18("10","8","1","5","6","4","1") = "9"
    & skf18("10","8","1","5","6","5","1") = "9"
    & skf18("10","8","1","5","6","6","1") = "9"
    & skf18("10","8","1","5","6","7","1") = "9"
    & skf18("10","8","1","5","6","8","1") = "9"
    & skf18("10","8","1","5","6","9","1") = "9"
    & skf18("10","8","1","5","6","10","1") = "9"
    & skf18("10","8","1","5","7","1","1") = "9"
    & skf18("10","8","1","5","7","2","1") = "9"
    & skf18("10","8","1","5","7","3","1") = "9"
    & skf18("10","8","1","5","7","4","1") = "9"
    & skf18("10","8","1","5","7","5","1") = "9"
    & skf18("10","8","1","5","7","6","1") = "9"
    & skf18("10","8","1","5","7","7","1") = "9"
    & skf18("10","8","1","5","7","8","1") = "9"
    & skf18("10","8","1","5","7","9","1") = "9"
    & skf18("10","8","1","5","7","10","1") = "9"
    & skf18("10","8","1","5","8","1","1") = "9"
    & skf18("10","8","1","5","8","2","1") = "9"
    & skf18("10","8","1","5","8","3","1") = "9"
    & skf18("10","8","1","5","8","4","1") = "9"
    & skf18("10","8","1","5","8","5","1") = "9"
    & skf18("10","8","1","5","8","6","1") = "9"
    & skf18("10","8","1","5","8","7","1") = "9"
    & skf18("10","8","1","5","8","8","1") = "9"
    & skf18("10","8","1","5","8","9","1") = "9"
    & skf18("10","8","1","5","8","10","1") = "9"
    & skf18("10","8","1","5","9","1","1") = "9"
    & skf18("10","8","1","5","9","2","1") = "9"
    & skf18("10","8","1","5","9","3","1") = "9"
    & skf18("10","8","1","5","9","4","1") = "9"
    & skf18("10","8","1","5","9","5","1") = "9"
    & skf18("10","8","1","5","9","6","1") = "9"
    & skf18("10","8","1","5","9","7","1") = "9"
    & skf18("10","8","1","5","9","8","1") = "9"
    & skf18("10","8","1","5","9","9","1") = "9"
    & skf18("10","8","1","5","9","10","1") = "9"
    & skf18("10","8","1","5","10","1","1") = "9"
    & skf18("10","8","1","5","10","2","1") = "9"
    & skf18("10","8","1","5","10","3","1") = "9"
    & skf18("10","8","1","5","10","4","1") = "9"
    & skf18("10","8","1","5","10","5","1") = "9"
    & skf18("10","8","1","5","10","6","1") = "9"
    & skf18("10","8","1","5","10","7","1") = "9"
    & skf18("10","8","1","5","10","8","1") = "9"
    & skf18("10","8","1","5","10","9","1") = "9"
    & skf18("10","8","1","5","10","10","1") = "9"
    & skf18("10","8","1","6","1","1","1") = "9"
    & skf18("10","8","1","6","1","2","1") = "9"
    & skf18("10","8","1","6","1","3","1") = "9"
    & skf18("10","8","1","6","1","4","1") = "9"
    & skf18("10","8","1","6","1","5","1") = "9"
    & skf18("10","8","1","6","1","6","1") = "9"
    & skf18("10","8","1","6","1","7","1") = "9"
    & skf18("10","8","1","6","1","8","1") = "9"
    & skf18("10","8","1","6","1","9","1") = "9"
    & skf18("10","8","1","6","1","10","1") = "9"
    & skf18("10","8","1","6","2","1","1") = "9"
    & skf18("10","8","1","6","2","2","1") = "9"
    & skf18("10","8","1","6","2","3","1") = "9"
    & skf18("10","8","1","6","2","4","1") = "9"
    & skf18("10","8","1","6","2","5","1") = "9"
    & skf18("10","8","1","6","2","6","1") = "9"
    & skf18("10","8","1","6","2","7","1") = "9"
    & skf18("10","8","1","6","2","8","1") = "9"
    & skf18("10","8","1","6","2","9","1") = "9"
    & skf18("10","8","1","6","2","10","1") = "9"
    & skf18("10","8","1","6","3","1","1") = "9"
    & skf18("10","8","1","6","3","2","1") = "9"
    & skf18("10","8","1","6","3","3","1") = "9"
    & skf18("10","8","1","6","3","4","1") = "9"
    & skf18("10","8","1","6","3","5","1") = "9"
    & skf18("10","8","1","6","3","6","1") = "9"
    & skf18("10","8","1","6","3","7","1") = "9"
    & skf18("10","8","1","6","3","8","1") = "9"
    & skf18("10","8","1","6","3","9","1") = "9"
    & skf18("10","8","1","6","3","10","1") = "9"
    & skf18("10","8","1","6","4","1","1") = "9"
    & skf18("10","8","1","6","4","2","1") = "9"
    & skf18("10","8","1","6","4","3","1") = "9"
    & skf18("10","8","1","6","4","4","1") = "9"
    & skf18("10","8","1","6","4","5","1") = "9"
    & skf18("10","8","1","6","4","6","1") = "9"
    & skf18("10","8","1","6","4","7","1") = "9"
    & skf18("10","8","1","6","4","8","1") = "9"
    & skf18("10","8","1","6","4","9","1") = "9"
    & skf18("10","8","1","6","4","10","1") = "9"
    & skf18("10","8","1","6","5","1","1") = "9"
    & skf18("10","8","1","6","5","2","1") = "9"
    & skf18("10","8","1","6","5","3","1") = "9"
    & skf18("10","8","1","6","5","4","1") = "9"
    & skf18("10","8","1","6","5","5","1") = "9"
    & skf18("10","8","1","6","5","6","1") = "9"
    & skf18("10","8","1","6","5","7","1") = "9"
    & skf18("10","8","1","6","5","8","1") = "9"
    & skf18("10","8","1","6","5","9","1") = "9"
    & skf18("10","8","1","6","5","10","1") = "9"
    & skf18("10","8","1","6","6","1","1") = "9"
    & skf18("10","8","1","6","6","2","1") = "9"
    & skf18("10","8","1","6","6","3","1") = "9"
    & skf18("10","8","1","6","6","4","1") = "9"
    & skf18("10","8","1","6","6","5","1") = "9"
    & skf18("10","8","1","6","6","6","1") = "9"
    & skf18("10","8","1","6","6","7","1") = "9"
    & skf18("10","8","1","6","6","8","1") = "9"
    & skf18("10","8","1","6","6","9","1") = "9"
    & skf18("10","8","1","6","6","10","1") = "9"
    & skf18("10","8","1","6","7","1","1") = "9"
    & skf18("10","8","1","6","7","2","1") = "9"
    & skf18("10","8","1","6","7","3","1") = "9"
    & skf18("10","8","1","6","7","4","1") = "9"
    & skf18("10","8","1","6","7","5","1") = "9"
    & skf18("10","8","1","6","7","6","1") = "9"
    & skf18("10","8","1","6","7","7","1") = "9"
    & skf18("10","8","1","6","7","8","1") = "9"
    & skf18("10","8","1","6","7","9","1") = "9"
    & skf18("10","8","1","6","7","10","1") = "9"
    & skf18("10","8","1","6","8","1","1") = "9"
    & skf18("10","8","1","6","8","2","1") = "9"
    & skf18("10","8","1","6","8","3","1") = "9"
    & skf18("10","8","1","6","8","4","1") = "9"
    & skf18("10","8","1","6","8","5","1") = "9"
    & skf18("10","8","1","6","8","6","1") = "9"
    & skf18("10","8","1","6","8","7","1") = "9"
    & skf18("10","8","1","6","8","8","1") = "9"
    & skf18("10","8","1","6","8","9","1") = "9"
    & skf18("10","8","1","6","8","10","1") = "9"
    & skf18("10","8","1","6","9","1","1") = "9"
    & skf18("10","8","1","6","9","2","1") = "9"
    & skf18("10","8","1","6","9","3","1") = "9"
    & skf18("10","8","1","6","9","4","1") = "9"
    & skf18("10","8","1","6","9","5","1") = "9"
    & skf18("10","8","1","6","9","6","1") = "9"
    & skf18("10","8","1","6","9","7","1") = "9"
    & skf18("10","8","1","6","9","8","1") = "9"
    & skf18("10","8","1","6","9","9","1") = "9"
    & skf18("10","8","1","6","9","10","1") = "9"
    & skf18("10","8","1","6","10","1","1") = "9"
    & skf18("10","8","1","6","10","2","1") = "9"
    & skf18("10","8","1","6","10","3","1") = "9"
    & skf18("10","8","1","6","10","4","1") = "9"
    & skf18("10","8","1","6","10","5","1") = "9"
    & skf18("10","8","1","6","10","6","1") = "9"
    & skf18("10","8","1","6","10","7","1") = "9"
    & skf18("10","8","1","6","10","8","1") = "9"
    & skf18("10","8","1","6","10","9","1") = "9"
    & skf18("10","8","1","6","10","10","1") = "9"
    & skf18("10","8","1","7","1","1","1") = "9"
    & skf18("10","8","1","7","1","2","1") = "9"
    & skf18("10","8","1","7","1","3","1") = "9"
    & skf18("10","8","1","7","1","4","1") = "9"
    & skf18("10","8","1","7","1","5","1") = "9"
    & skf18("10","8","1","7","1","6","1") = "9"
    & skf18("10","8","1","7","1","7","1") = "9"
    & skf18("10","8","1","7","1","8","1") = "9"
    & skf18("10","8","1","7","1","9","1") = "9"
    & skf18("10","8","1","7","1","10","1") = "9"
    & skf18("10","8","1","7","2","1","1") = "9"
    & skf18("10","8","1","7","2","2","1") = "9"
    & skf18("10","8","1","7","2","3","1") = "9"
    & skf18("10","8","1","7","2","4","1") = "9"
    & skf18("10","8","1","7","2","5","1") = "9"
    & skf18("10","8","1","7","2","6","1") = "9"
    & skf18("10","8","1","7","2","7","1") = "9"
    & skf18("10","8","1","7","2","8","1") = "9"
    & skf18("10","8","1","7","2","9","1") = "9"
    & skf18("10","8","1","7","2","10","1") = "9"
    & skf18("10","8","1","7","3","1","1") = "9"
    & skf18("10","8","1","7","3","2","1") = "9"
    & skf18("10","8","1","7","3","3","1") = "9"
    & skf18("10","8","1","7","3","4","1") = "9"
    & skf18("10","8","1","7","3","5","1") = "9"
    & skf18("10","8","1","7","3","6","1") = "9"
    & skf18("10","8","1","7","3","7","1") = "9"
    & skf18("10","8","1","7","3","8","1") = "9"
    & skf18("10","8","1","7","3","9","1") = "9"
    & skf18("10","8","1","7","3","10","1") = "9"
    & skf18("10","8","1","7","4","1","1") = "9"
    & skf18("10","8","1","7","4","2","1") = "9"
    & skf18("10","8","1","7","4","3","1") = "9"
    & skf18("10","8","1","7","4","4","1") = "9"
    & skf18("10","8","1","7","4","5","1") = "9"
    & skf18("10","8","1","7","4","6","1") = "9"
    & skf18("10","8","1","7","4","7","1") = "9"
    & skf18("10","8","1","7","4","8","1") = "9"
    & skf18("10","8","1","7","4","9","1") = "9"
    & skf18("10","8","1","7","4","10","1") = "9"
    & skf18("10","8","1","7","5","1","1") = "9"
    & skf18("10","8","1","7","5","2","1") = "9"
    & skf18("10","8","1","7","5","3","1") = "9"
    & skf18("10","8","1","7","5","4","1") = "9"
    & skf18("10","8","1","7","5","5","1") = "9"
    & skf18("10","8","1","7","5","6","1") = "9"
    & skf18("10","8","1","7","5","7","1") = "9"
    & skf18("10","8","1","7","5","8","1") = "9"
    & skf18("10","8","1","7","5","9","1") = "9"
    & skf18("10","8","1","7","5","10","1") = "9"
    & skf18("10","8","1","7","6","1","1") = "9"
    & skf18("10","8","1","7","6","2","1") = "9"
    & skf18("10","8","1","7","6","3","1") = "9"
    & skf18("10","8","1","7","6","4","1") = "9"
    & skf18("10","8","1","7","6","5","1") = "9"
    & skf18("10","8","1","7","6","6","1") = "9"
    & skf18("10","8","1","7","6","7","1") = "9"
    & skf18("10","8","1","7","6","8","1") = "9"
    & skf18("10","8","1","7","6","9","1") = "9"
    & skf18("10","8","1","7","6","10","1") = "9"
    & skf18("10","8","1","7","7","1","1") = "9"
    & skf18("10","8","1","7","7","2","1") = "9"
    & skf18("10","8","1","7","7","3","1") = "9"
    & skf18("10","8","1","7","7","4","1") = "9"
    & skf18("10","8","1","7","7","5","1") = "9"
    & skf18("10","8","1","7","7","6","1") = "9"
    & skf18("10","8","1","7","7","7","1") = "9"
    & skf18("10","8","1","7","7","8","1") = "9"
    & skf18("10","8","1","7","7","9","1") = "9"
    & skf18("10","8","1","7","7","10","1") = "9"
    & skf18("10","8","1","7","8","1","1") = "9"
    & skf18("10","8","1","7","8","2","1") = "9"
    & skf18("10","8","1","7","8","3","1") = "9"
    & skf18("10","8","1","7","8","4","1") = "9"
    & skf18("10","8","1","7","8","5","1") = "9"
    & skf18("10","8","1","7","8","6","1") = "9"
    & skf18("10","8","1","7","8","7","1") = "9"
    & skf18("10","8","1","7","8","8","1") = "9"
    & skf18("10","8","1","7","8","9","1") = "9"
    & skf18("10","8","1","7","8","10","1") = "9"
    & skf18("10","8","1","7","9","1","1") = "9"
    & skf18("10","8","1","7","9","2","1") = "9"
    & skf18("10","8","1","7","9","3","1") = "9"
    & skf18("10","8","1","7","9","4","1") = "9"
    & skf18("10","8","1","7","9","5","1") = "9"
    & skf18("10","8","1","7","9","6","1") = "9"
    & skf18("10","8","1","7","9","7","1") = "9"
    & skf18("10","8","1","7","9","8","1") = "9"
    & skf18("10","8","1","7","9","9","1") = "9"
    & skf18("10","8","1","7","9","10","1") = "9"
    & skf18("10","8","1","7","10","1","1") = "9"
    & skf18("10","8","1","7","10","2","1") = "9"
    & skf18("10","8","1","7","10","3","1") = "9"
    & skf18("10","8","1","7","10","4","1") = "9"
    & skf18("10","8","1","7","10","5","1") = "9"
    & skf18("10","8","1","7","10","6","1") = "9"
    & skf18("10","8","1","7","10","7","1") = "9"
    & skf18("10","8","1","7","10","8","1") = "9"
    & skf18("10","8","1","7","10","9","1") = "9"
    & skf18("10","8","1","7","10","10","1") = "9"
    & skf18("10","8","1","8","1","1","1") = "9"
    & skf18("10","8","1","8","1","2","1") = "9"
    & skf18("10","8","1","8","1","3","1") = "9"
    & skf18("10","8","1","8","1","4","1") = "9"
    & skf18("10","8","1","8","1","5","1") = "9"
    & skf18("10","8","1","8","1","6","1") = "9"
    & skf18("10","8","1","8","1","7","1") = "9"
    & skf18("10","8","1","8","1","8","1") = "9"
    & skf18("10","8","1","8","1","9","1") = "9"
    & skf18("10","8","1","8","1","10","1") = "9"
    & skf18("10","8","1","8","2","1","1") = "9"
    & skf18("10","8","1","8","2","2","1") = "9"
    & skf18("10","8","1","8","2","3","1") = "9"
    & skf18("10","8","1","8","2","4","1") = "9"
    & skf18("10","8","1","8","2","5","1") = "9"
    & skf18("10","8","1","8","2","6","1") = "9"
    & skf18("10","8","1","8","2","7","1") = "9"
    & skf18("10","8","1","8","2","8","1") = "9"
    & skf18("10","8","1","8","2","9","1") = "9"
    & skf18("10","8","1","8","2","10","1") = "9"
    & skf18("10","8","1","8","3","1","1") = "9"
    & skf18("10","8","1","8","3","2","1") = "9"
    & skf18("10","8","1","8","3","3","1") = "9"
    & skf18("10","8","1","8","3","4","1") = "9"
    & skf18("10","8","1","8","3","5","1") = "9"
    & skf18("10","8","1","8","3","6","1") = "9"
    & skf18("10","8","1","8","3","7","1") = "9"
    & skf18("10","8","1","8","3","8","1") = "9"
    & skf18("10","8","1","8","3","9","1") = "9"
    & skf18("10","8","1","8","3","10","1") = "9"
    & skf18("10","8","1","8","4","1","1") = "9"
    & skf18("10","8","1","8","4","2","1") = "9"
    & skf18("10","8","1","8","4","3","1") = "9"
    & skf18("10","8","1","8","4","4","1") = "9"
    & skf18("10","8","1","8","4","5","1") = "9"
    & skf18("10","8","1","8","4","6","1") = "9"
    & skf18("10","8","1","8","4","7","1") = "9"
    & skf18("10","8","1","8","4","8","1") = "9"
    & skf18("10","8","1","8","4","9","1") = "9"
    & skf18("10","8","1","8","4","10","1") = "9"
    & skf18("10","8","1","8","5","1","1") = "9"
    & skf18("10","8","1","8","5","2","1") = "9"
    & skf18("10","8","1","8","5","3","1") = "9"
    & skf18("10","8","1","8","5","4","1") = "9"
    & skf18("10","8","1","8","5","5","1") = "9"
    & skf18("10","8","1","8","5","6","1") = "9"
    & skf18("10","8","1","8","5","7","1") = "9"
    & skf18("10","8","1","8","5","8","1") = "9"
    & skf18("10","8","1","8","5","9","1") = "9"
    & skf18("10","8","1","8","5","10","1") = "9"
    & skf18("10","8","1","8","6","1","1") = "9"
    & skf18("10","8","1","8","6","2","1") = "9"
    & skf18("10","8","1","8","6","3","1") = "9"
    & skf18("10","8","1","8","6","4","1") = "9"
    & skf18("10","8","1","8","6","5","1") = "9"
    & skf18("10","8","1","8","6","6","1") = "9"
    & skf18("10","8","1","8","6","7","1") = "9"
    & skf18("10","8","1","8","6","8","1") = "9"
    & skf18("10","8","1","8","6","9","1") = "9"
    & skf18("10","8","1","8","6","10","1") = "9"
    & skf18("10","8","1","8","7","1","1") = "9"
    & skf18("10","8","1","8","7","2","1") = "9"
    & skf18("10","8","1","8","7","3","1") = "9"
    & skf18("10","8","1","8","7","4","1") = "9"
    & skf18("10","8","1","8","7","5","1") = "9"
    & skf18("10","8","1","8","7","6","1") = "9"
    & skf18("10","8","1","8","7","7","1") = "9"
    & skf18("10","8","1","8","7","8","1") = "9"
    & skf18("10","8","1","8","7","9","1") = "9"
    & skf18("10","8","1","8","7","10","1") = "9"
    & skf18("10","8","1","8","8","1","1") = "9"
    & skf18("10","8","1","8","8","2","1") = "9"
    & skf18("10","8","1","8","8","3","1") = "9"
    & skf18("10","8","1","8","8","4","1") = "9"
    & skf18("10","8","1","8","8","5","1") = "9"
    & skf18("10","8","1","8","8","6","1") = "9"
    & skf18("10","8","1","8","8","7","1") = "9"
    & skf18("10","8","1","8","8","8","1") = "9"
    & skf18("10","8","1","8","8","9","1") = "9"
    & skf18("10","8","1","8","8","10","1") = "9"
    & skf18("10","8","1","8","9","1","1") = "9"
    & skf18("10","8","1","8","9","2","1") = "9"
    & skf18("10","8","1","8","9","3","1") = "9"
    & skf18("10","8","1","8","9","4","1") = "9"
    & skf18("10","8","1","8","9","5","1") = "9"
    & skf18("10","8","1","8","9","6","1") = "9"
    & skf18("10","8","1","8","9","7","1") = "9"
    & skf18("10","8","1","8","9","8","1") = "9"
    & skf18("10","8","1","8","9","9","1") = "9"
    & skf18("10","8","1","8","9","10","1") = "9"
    & skf18("10","8","1","8","10","1","1") = "9"
    & skf18("10","8","1","8","10","2","1") = "9"
    & skf18("10","8","1","8","10","3","1") = "9"
    & skf18("10","8","1","8","10","4","1") = "9"
    & skf18("10","8","1","8","10","5","1") = "9"
    & skf18("10","8","1","8","10","6","1") = "9"
    & skf18("10","8","1","8","10","7","1") = "9"
    & skf18("10","8","1","8","10","8","1") = "9"
    & skf18("10","8","1","8","10","9","1") = "9"
    & skf18("10","8","1","8","10","10","1") = "9"
    & skf18("10","8","1","9","1","1","1") = "9"
    & skf18("10","8","1","9","1","2","1") = "9"
    & skf18("10","8","1","9","1","3","1") = "9"
    & skf18("10","8","1","9","1","4","1") = "9"
    & skf18("10","8","1","9","1","5","1") = "9"
    & skf18("10","8","1","9","1","6","1") = "9"
    & skf18("10","8","1","9","1","7","1") = "9"
    & skf18("10","8","1","9","1","8","1") = "9"
    & skf18("10","8","1","9","1","9","1") = "9"
    & skf18("10","8","1","9","1","10","1") = "9"
    & skf18("10","8","1","9","2","1","1") = "9"
    & skf18("10","8","1","9","2","2","1") = "9"
    & skf18("10","8","1","9","2","3","1") = "9"
    & skf18("10","8","1","9","2","4","1") = "9"
    & skf18("10","8","1","9","2","5","1") = "9"
    & skf18("10","8","1","9","2","6","1") = "9"
    & skf18("10","8","1","9","2","7","1") = "9"
    & skf18("10","8","1","9","2","8","1") = "9"
    & skf18("10","8","1","9","2","9","1") = "9"
    & skf18("10","8","1","9","2","10","1") = "9"
    & skf18("10","8","1","9","3","1","1") = "9"
    & skf18("10","8","1","9","3","2","1") = "9"
    & skf18("10","8","1","9","3","3","1") = "9"
    & skf18("10","8","1","9","3","4","1") = "9"
    & skf18("10","8","1","9","3","5","1") = "9"
    & skf18("10","8","1","9","3","6","1") = "9"
    & skf18("10","8","1","9","3","7","1") = "9"
    & skf18("10","8","1","9","3","8","1") = "9"
    & skf18("10","8","1","9","3","9","1") = "9"
    & skf18("10","8","1","9","3","10","1") = "9"
    & skf18("10","8","1","9","4","1","1") = "9"
    & skf18("10","8","1","9","4","2","1") = "9"
    & skf18("10","8","1","9","4","3","1") = "9"
    & skf18("10","8","1","9","4","4","1") = "9"
    & skf18("10","8","1","9","4","5","1") = "9"
    & skf18("10","8","1","9","4","6","1") = "9"
    & skf18("10","8","1","9","4","7","1") = "9"
    & skf18("10","8","1","9","4","8","1") = "9"
    & skf18("10","8","1","9","4","9","1") = "9"
    & skf18("10","8","1","9","4","10","1") = "9"
    & skf18("10","8","1","9","5","1","1") = "9"
    & skf18("10","8","1","9","5","2","1") = "9"
    & skf18("10","8","1","9","5","3","1") = "9"
    & skf18("10","8","1","9","5","4","1") = "9"
    & skf18("10","8","1","9","5","5","1") = "9"
    & skf18("10","8","1","9","5","6","1") = "9"
    & skf18("10","8","1","9","5","7","1") = "9"
    & skf18("10","8","1","9","5","8","1") = "9"
    & skf18("10","8","1","9","5","9","1") = "9"
    & skf18("10","8","1","9","5","10","1") = "9"
    & skf18("10","8","1","9","6","1","1") = "9"
    & skf18("10","8","1","9","6","2","1") = "9"
    & skf18("10","8","1","9","6","3","1") = "9"
    & skf18("10","8","1","9","6","4","1") = "9"
    & skf18("10","8","1","9","6","5","1") = "9"
    & skf18("10","8","1","9","6","6","1") = "9"
    & skf18("10","8","1","9","6","7","1") = "9"
    & skf18("10","8","1","9","6","8","1") = "9"
    & skf18("10","8","1","9","6","9","1") = "9"
    & skf18("10","8","1","9","6","10","1") = "9"
    & skf18("10","8","1","9","7","1","1") = "9"
    & skf18("10","8","1","9","7","2","1") = "9"
    & skf18("10","8","1","9","7","3","1") = "9"
    & skf18("10","8","1","9","7","4","1") = "9"
    & skf18("10","8","1","9","7","5","1") = "9"
    & skf18("10","8","1","9","7","6","1") = "9"
    & skf18("10","8","1","9","7","7","1") = "9"
    & skf18("10","8","1","9","7","8","1") = "9"
    & skf18("10","8","1","9","7","9","1") = "9"
    & skf18("10","8","1","9","7","10","1") = "9"
    & skf18("10","8","1","9","8","1","1") = "9"
    & skf18("10","8","1","9","8","2","1") = "9"
    & skf18("10","8","1","9","8","3","1") = "9"
    & skf18("10","8","1","9","8","4","1") = "9"
    & skf18("10","8","1","9","8","5","1") = "9"
    & skf18("10","8","1","9","8","6","1") = "9"
    & skf18("10","8","1","9","8","7","1") = "9"
    & skf18("10","8","1","9","8","8","1") = "9"
    & skf18("10","8","1","9","8","9","1") = "9"
    & skf18("10","8","1","9","8","10","1") = "9"
    & skf18("10","8","1","9","9","1","1") = "9"
    & skf18("10","8","1","9","9","2","1") = "9"
    & skf18("10","8","1","9","9","3","1") = "9"
    & skf18("10","8","1","9","9","4","1") = "9"
    & skf18("10","8","1","9","9","5","1") = "9"
    & skf18("10","8","1","9","9","6","1") = "9"
    & skf18("10","8","1","9","9","7","1") = "9"
    & skf18("10","8","1","9","9","8","1") = "9"
    & skf18("10","8","1","9","9","9","1") = "9"
    & skf18("10","8","1","9","9","10","1") = "9"
    & skf18("10","8","1","9","10","1","1") = "9"
    & skf18("10","8","1","9","10","2","1") = "9"
    & skf18("10","8","1","9","10","3","1") = "9"
    & skf18("10","8","1","9","10","4","1") = "9"
    & skf18("10","8","1","9","10","5","1") = "9"
    & skf18("10","8","1","9","10","6","1") = "9"
    & skf18("10","8","1","9","10","7","1") = "9"
    & skf18("10","8","1","9","10","8","1") = "9"
    & skf18("10","8","1","9","10","9","1") = "9"
    & skf18("10","8","1","9","10","10","1") = "9"
    & skf18("10","8","1","10","1","1","1") = "9"
    & skf18("10","8","1","10","1","2","1") = "9"
    & skf18("10","8","1","10","1","3","1") = "9"
    & skf18("10","8","1","10","1","4","1") = "9"
    & skf18("10","8","1","10","1","5","1") = "9"
    & skf18("10","8","1","10","1","6","1") = "9"
    & skf18("10","8","1","10","1","7","1") = "9"
    & skf18("10","8","1","10","1","8","1") = "9"
    & skf18("10","8","1","10","1","9","1") = "9"
    & skf18("10","8","1","10","1","10","1") = "9"
    & skf18("10","8","1","10","2","1","1") = "9"
    & skf18("10","8","1","10","2","2","1") = "9"
    & skf18("10","8","1","10","2","3","1") = "9"
    & skf18("10","8","1","10","2","4","1") = "9"
    & skf18("10","8","1","10","2","5","1") = "9"
    & skf18("10","8","1","10","2","6","1") = "9"
    & skf18("10","8","1","10","2","7","1") = "9"
    & skf18("10","8","1","10","2","8","1") = "9"
    & skf18("10","8","1","10","2","9","1") = "9"
    & skf18("10","8","1","10","2","10","1") = "9"
    & skf18("10","8","1","10","3","1","1") = "9"
    & skf18("10","8","1","10","3","2","1") = "9"
    & skf18("10","8","1","10","3","3","1") = "9"
    & skf18("10","8","1","10","3","4","1") = "9"
    & skf18("10","8","1","10","3","5","1") = "9"
    & skf18("10","8","1","10","3","6","1") = "9"
    & skf18("10","8","1","10","3","7","1") = "9"
    & skf18("10","8","1","10","3","8","1") = "9"
    & skf18("10","8","1","10","3","9","1") = "9"
    & skf18("10","8","1","10","3","10","1") = "9"
    & skf18("10","8","1","10","4","1","1") = "9"
    & skf18("10","8","1","10","4","2","1") = "9"
    & skf18("10","8","1","10","4","3","1") = "9"
    & skf18("10","8","1","10","4","4","1") = "9"
    & skf18("10","8","1","10","4","5","1") = "9"
    & skf18("10","8","1","10","4","6","1") = "9"
    & skf18("10","8","1","10","4","7","1") = "9"
    & skf18("10","8","1","10","4","8","1") = "9"
    & skf18("10","8","1","10","4","9","1") = "9"
    & skf18("10","8","1","10","4","10","1") = "9"
    & skf18("10","8","1","10","5","1","1") = "9"
    & skf18("10","8","1","10","5","2","1") = "9"
    & skf18("10","8","1","10","5","3","1") = "9"
    & skf18("10","8","1","10","5","4","1") = "9"
    & skf18("10","8","1","10","5","5","1") = "9"
    & skf18("10","8","1","10","5","6","1") = "9"
    & skf18("10","8","1","10","5","7","1") = "9"
    & skf18("10","8","1","10","5","8","1") = "9"
    & skf18("10","8","1","10","5","9","1") = "9"
    & skf18("10","8","1","10","5","10","1") = "9"
    & skf18("10","8","1","10","6","1","1") = "9"
    & skf18("10","8","1","10","6","2","1") = "9"
    & skf18("10","8","1","10","6","3","1") = "9"
    & skf18("10","8","1","10","6","4","1") = "9"
    & skf18("10","8","1","10","6","5","1") = "9"
    & skf18("10","8","1","10","6","6","1") = "9"
    & skf18("10","8","1","10","6","7","1") = "9"
    & skf18("10","8","1","10","6","8","1") = "9"
    & skf18("10","8","1","10","6","9","1") = "9"
    & skf18("10","8","1","10","6","10","1") = "9"
    & skf18("10","8","1","10","7","1","1") = "9"
    & skf18("10","8","1","10","7","2","1") = "9"
    & skf18("10","8","1","10","7","3","1") = "9"
    & skf18("10","8","1","10","7","4","1") = "9"
    & skf18("10","8","1","10","7","5","1") = "9"
    & skf18("10","8","1","10","7","6","1") = "9"
    & skf18("10","8","1","10","7","7","1") = "9"
    & skf18("10","8","1","10","7","8","1") = "9"
    & skf18("10","8","1","10","7","9","1") = "9"
    & skf18("10","8","1","10","7","10","1") = "9"
    & skf18("10","8","1","10","8","1","1") = "9"
    & skf18("10","8","1","10","8","2","1") = "9"
    & skf18("10","8","1","10","8","3","1") = "9"
    & skf18("10","8","1","10","8","4","1") = "9"
    & skf18("10","8","1","10","8","5","1") = "9"
    & skf18("10","8","1","10","8","6","1") = "9"
    & skf18("10","8","1","10","8","7","1") = "9"
    & skf18("10","8","1","10","8","8","1") = "9"
    & skf18("10","8","1","10","8","9","1") = "9"
    & skf18("10","8","1","10","8","10","1") = "9"
    & skf18("10","8","1","10","9","1","1") = "9"
    & skf18("10","8","1","10","9","2","1") = "9"
    & skf18("10","8","1","10","9","3","1") = "9"
    & skf18("10","8","1","10","9","4","1") = "9"
    & skf18("10","8","1","10","9","5","1") = "9"
    & skf18("10","8","1","10","9","6","1") = "9"
    & skf18("10","8","1","10","9","7","1") = "9"
    & skf18("10","8","1","10","9","8","1") = "9"
    & skf18("10","8","1","10","9","9","1") = "9"
    & skf18("10","8","1","10","9","10","1") = "9"
    & skf18("10","8","1","10","10","1","1") = "9"
    & skf18("10","8","1","10","10","2","1") = "9"
    & skf18("10","8","1","10","10","3","1") = "9"
    & skf18("10","8","1","10","10","4","1") = "9"
    & skf18("10","8","1","10","10","5","1") = "9"
    & skf18("10","8","1","10","10","6","1") = "9"
    & skf18("10","8","1","10","10","7","1") = "9"
    & skf18("10","8","1","10","10","8","1") = "9"
    & skf18("10","8","1","10","10","9","1") = "9"
    & skf18("10","8","1","10","10","10","1") = "9"
    & skf18("10","8","2","1","1","1","1") = "9"
    & skf18("10","8","2","1","1","2","1") = "9"
    & skf18("10","8","2","1","1","3","1") = "9"
    & skf18("10","8","2","1","1","4","1") = "9"
    & skf18("10","8","2","1","1","5","1") = "9"
    & skf18("10","8","2","1","1","6","1") = "9"
    & skf18("10","8","2","1","1","7","1") = "9"
    & skf18("10","8","2","1","1","8","1") = "9"
    & skf18("10","8","2","1","1","9","1") = "9"
    & skf18("10","8","2","1","1","10","1") = "9"
    & skf18("10","8","2","1","2","1","1") = "9"
    & skf18("10","8","2","1","2","2","1") = "9"
    & skf18("10","8","2","1","2","3","1") = "9"
    & skf18("10","8","2","1","2","4","1") = "9"
    & skf18("10","8","2","1","2","5","1") = "9"
    & skf18("10","8","2","1","2","6","1") = "9"
    & skf18("10","8","2","1","2","7","1") = "9"
    & skf18("10","8","2","1","2","8","1") = "9"
    & skf18("10","8","2","1","2","9","1") = "9"
    & skf18("10","8","2","1","2","10","1") = "9"
    & skf18("10","8","2","1","3","1","1") = "9"
    & skf18("10","8","2","1","3","2","1") = "9"
    & skf18("10","8","2","1","3","3","1") = "9"
    & skf18("10","8","2","1","3","4","1") = "9"
    & skf18("10","8","2","1","3","5","1") = "9"
    & skf18("10","8","2","1","3","6","1") = "9"
    & skf18("10","8","2","1","3","7","1") = "9"
    & skf18("10","8","2","1","3","8","1") = "9"
    & skf18("10","8","2","1","3","9","1") = "9"
    & skf18("10","8","2","1","3","10","1") = "9"
    & skf18("10","8","2","1","4","1","1") = "9"
    & skf18("10","8","2","1","4","2","1") = "9"
    & skf18("10","8","2","1","4","3","1") = "9"
    & skf18("10","8","2","1","4","4","1") = "9"
    & skf18("10","8","2","1","4","5","1") = "9"
    & skf18("10","8","2","1","4","6","1") = "9"
    & skf18("10","8","2","1","4","7","1") = "9"
    & skf18("10","8","2","1","4","8","1") = "9"
    & skf18("10","8","2","1","4","9","1") = "9"
    & skf18("10","8","2","1","4","10","1") = "9"
    & skf18("10","8","2","1","5","1","1") = "9"
    & skf18("10","8","2","1","5","2","1") = "9"
    & skf18("10","8","2","1","5","3","1") = "9"
    & skf18("10","8","2","1","5","4","1") = "9"
    & skf18("10","8","2","1","5","5","1") = "9"
    & skf18("10","8","2","1","5","6","1") = "9"
    & skf18("10","8","2","1","5","7","1") = "9"
    & skf18("10","8","2","1","5","8","1") = "9"
    & skf18("10","8","2","1","5","9","1") = "9"
    & skf18("10","8","2","1","5","10","1") = "9"
    & skf18("10","8","2","1","6","1","1") = "9"
    & skf18("10","8","2","1","6","2","1") = "9"
    & skf18("10","8","2","1","6","3","1") = "9"
    & skf18("10","8","2","1","6","4","1") = "9"
    & skf18("10","8","2","1","6","5","1") = "9"
    & skf18("10","8","2","1","6","6","1") = "9"
    & skf18("10","8","2","1","6","7","1") = "9"
    & skf18("10","8","2","1","6","8","1") = "9"
    & skf18("10","8","2","1","6","9","1") = "9"
    & skf18("10","8","2","1","6","10","1") = "9"
    & skf18("10","8","2","1","7","1","1") = "9"
    & skf18("10","8","2","1","7","2","1") = "9"
    & skf18("10","8","2","1","7","3","1") = "9"
    & skf18("10","8","2","1","7","4","1") = "9"
    & skf18("10","8","2","1","7","5","1") = "9"
    & skf18("10","8","2","1","7","6","1") = "9"
    & skf18("10","8","2","1","7","7","1") = "9"
    & skf18("10","8","2","1","7","8","1") = "9"
    & skf18("10","8","2","1","7","9","1") = "9"
    & skf18("10","8","2","1","7","10","1") = "9"
    & skf18("10","8","2","1","8","1","1") = "9"
    & skf18("10","8","2","1","8","2","1") = "9"
    & skf18("10","8","2","1","8","3","1") = "9"
    & skf18("10","8","2","1","8","4","1") = "9"
    & skf18("10","8","2","1","8","5","1") = "9"
    & skf18("10","8","2","1","8","6","1") = "9"
    & skf18("10","8","2","1","8","7","1") = "9"
    & skf18("10","8","2","1","8","8","1") = "9"
    & skf18("10","8","2","1","8","9","1") = "9"
    & skf18("10","8","2","1","8","10","1") = "9"
    & skf18("10","8","2","1","9","1","1") = "9"
    & skf18("10","8","2","1","9","2","1") = "9"
    & skf18("10","8","2","1","9","3","1") = "9"
    & skf18("10","8","2","1","9","4","1") = "9"
    & skf18("10","8","2","1","9","5","1") = "9"
    & skf18("10","8","2","1","9","6","1") = "9"
    & skf18("10","8","2","1","9","7","1") = "9"
    & skf18("10","8","2","1","9","8","1") = "9"
    & skf18("10","8","2","1","9","9","1") = "9"
    & skf18("10","8","2","1","9","10","1") = "9"
    & skf18("10","8","2","1","10","1","1") = "9"
    & skf18("10","8","2","1","10","2","1") = "9"
    & skf18("10","8","2","1","10","3","1") = "9"
    & skf18("10","8","2","1","10","4","1") = "9"
    & skf18("10","8","2","1","10","5","1") = "9"
    & skf18("10","8","2","1","10","6","1") = "9"
    & skf18("10","8","2","1","10","7","1") = "9"
    & skf18("10","8","2","1","10","8","1") = "9"
    & skf18("10","8","2","1","10","9","1") = "9"
    & skf18("10","8","2","1","10","10","1") = "9"
    & skf18("10","8","2","2","1","1","1") = "9"
    & skf18("10","8","2","2","1","2","1") = "9"
    & skf18("10","8","2","2","1","3","1") = "9"
    & skf18("10","8","2","2","1","4","1") = "9"
    & skf18("10","8","2","2","1","5","1") = "9"
    & skf18("10","8","2","2","1","6","1") = "9"
    & skf18("10","8","2","2","1","7","1") = "9"
    & skf18("10","8","2","2","1","8","1") = "9"
    & skf18("10","8","2","2","1","9","1") = "9"
    & skf18("10","8","2","2","1","10","1") = "9"
    & skf18("10","8","2","2","2","1","1") = "9"
    & skf18("10","8","2","2","2","2","1") = "9"
    & skf18("10","8","2","2","2","3","1") = "9"
    & skf18("10","8","2","2","2","4","1") = "9"
    & skf18("10","8","2","2","2","5","1") = "9"
    & skf18("10","8","2","2","2","6","1") = "9"
    & skf18("10","8","2","2","2","7","1") = "9"
    & skf18("10","8","2","2","2","8","1") = "9"
    & skf18("10","8","2","2","2","9","1") = "9"
    & skf18("10","8","2","2","2","10","1") = "9"
    & skf18("10","8","2","2","3","1","1") = "9"
    & skf18("10","8","2","2","3","2","1") = "9"
    & skf18("10","8","2","2","3","3","1") = "9"
    & skf18("10","8","2","2","3","4","1") = "9"
    & skf18("10","8","2","2","3","5","1") = "9"
    & skf18("10","8","2","2","3","6","1") = "9"
    & skf18("10","8","2","2","3","7","1") = "9"
    & skf18("10","8","2","2","3","8","1") = "9"
    & skf18("10","8","2","2","3","9","1") = "9"
    & skf18("10","8","2","2","3","10","1") = "9"
    & skf18("10","8","2","2","4","1","1") = "9"
    & skf18("10","8","2","2","4","2","1") = "9"
    & skf18("10","8","2","2","4","3","1") = "9"
    & skf18("10","8","2","2","4","4","1") = "9"
    & skf18("10","8","2","2","4","5","1") = "9"
    & skf18("10","8","2","2","4","6","1") = "9"
    & skf18("10","8","2","2","4","7","1") = "9"
    & skf18("10","8","2","2","4","8","1") = "9"
    & skf18("10","8","2","2","4","9","1") = "9"
    & skf18("10","8","2","2","4","10","1") = "9"
    & skf18("10","8","2","2","5","1","1") = "9"
    & skf18("10","8","2","2","5","2","1") = "9"
    & skf18("10","8","2","2","5","3","1") = "9"
    & skf18("10","8","2","2","5","4","1") = "9"
    & skf18("10","8","2","2","5","5","1") = "9"
    & skf18("10","8","2","2","5","6","1") = "9"
    & skf18("10","8","2","2","5","7","1") = "9"
    & skf18("10","8","2","2","5","8","1") = "9"
    & skf18("10","8","2","2","5","9","1") = "9"
    & skf18("10","8","2","2","5","10","1") = "9"
    & skf18("10","8","2","2","6","1","1") = "9"
    & skf18("10","8","2","2","6","2","1") = "9"
    & skf18("10","8","2","2","6","3","1") = "9"
    & skf18("10","8","2","2","6","4","1") = "9"
    & skf18("10","8","2","2","6","5","1") = "9"
    & skf18("10","8","2","2","6","6","1") = "9"
    & skf18("10","8","2","2","6","7","1") = "9"
    & skf18("10","8","2","2","6","8","1") = "9"
    & skf18("10","8","2","2","6","9","1") = "9"
    & skf18("10","8","2","2","6","10","1") = "9"
    & skf18("10","8","2","2","7","1","1") = "9"
    & skf18("10","8","2","2","7","2","1") = "9"
    & skf18("10","8","2","2","7","3","1") = "9"
    & skf18("10","8","2","2","7","4","1") = "9"
    & skf18("10","8","2","2","7","5","1") = "9"
    & skf18("10","8","2","2","7","6","1") = "9"
    & skf18("10","8","2","2","7","7","1") = "9"
    & skf18("10","8","2","2","7","8","1") = "9"
    & skf18("10","8","2","2","7","9","1") = "9"
    & skf18("10","8","2","2","7","10","1") = "9"
    & skf18("10","8","2","2","8","1","1") = "9"
    & skf18("10","8","2","2","8","2","1") = "9"
    & skf18("10","8","2","2","8","3","1") = "9"
    & skf18("10","8","2","2","8","4","1") = "9"
    & skf18("10","8","2","2","8","5","1") = "9"
    & skf18("10","8","2","2","8","6","1") = "9"
    & skf18("10","8","2","2","8","7","1") = "9"
    & skf18("10","8","2","2","8","8","1") = "9"
    & skf18("10","8","2","2","8","9","1") = "9"
    & skf18("10","8","2","2","8","10","1") = "9"
    & skf18("10","8","2","2","9","1","1") = "9"
    & skf18("10","8","2","2","9","2","1") = "9"
    & skf18("10","8","2","2","9","3","1") = "9"
    & skf18("10","8","2","2","9","4","1") = "9"
    & skf18("10","8","2","2","9","5","1") = "9"
    & skf18("10","8","2","2","9","6","1") = "9"
    & skf18("10","8","2","2","9","7","1") = "9"
    & skf18("10","8","2","2","9","8","1") = "9"
    & skf18("10","8","2","2","9","9","1") = "9"
    & skf18("10","8","2","2","9","10","1") = "9"
    & skf18("10","8","2","2","10","1","1") = "9"
    & skf18("10","8","2","2","10","2","1") = "9"
    & skf18("10","8","2","2","10","3","1") = "9"
    & skf18("10","8","2","2","10","4","1") = "9"
    & skf18("10","8","2","2","10","5","1") = "9"
    & skf18("10","8","2","2","10","6","1") = "9"
    & skf18("10","8","2","2","10","7","1") = "9"
    & skf18("10","8","2","2","10","8","1") = "9"
    & skf18("10","8","2","2","10","9","1") = "9"
    & skf18("10","8","2","2","10","10","1") = "9"
    & skf18("10","8","2","3","1","1","1") = "9"
    & skf18("10","8","2","3","1","2","1") = "9"
    & skf18("10","8","2","3","1","3","1") = "9"
    & skf18("10","8","2","3","1","4","1") = "9"
    & skf18("10","8","2","3","1","5","1") = "9"
    & skf18("10","8","2","3","1","6","1") = "9"
    & skf18("10","8","2","3","1","7","1") = "9"
    & skf18("10","8","2","3","1","8","1") = "9"
    & skf18("10","8","2","3","1","9","1") = "9"
    & skf18("10","8","2","3","1","10","1") = "9"
    & skf18("10","8","2","3","2","1","1") = "9"
    & skf18("10","8","2","3","2","2","1") = "9"
    & skf18("10","8","2","3","2","3","1") = "9"
    & skf18("10","8","2","3","2","4","1") = "9"
    & skf18("10","8","2","3","2","5","1") = "9"
    & skf18("10","8","2","3","2","6","1") = "9"
    & skf18("10","8","2","3","2","7","1") = "9"
    & skf18("10","8","2","3","2","8","1") = "9"
    & skf18("10","8","2","3","2","9","1") = "9"
    & skf18("10","8","2","3","2","10","1") = "9"
    & skf18("10","8","2","3","3","1","1") = "9"
    & skf18("10","8","2","3","3","2","1") = "9"
    & skf18("10","8","2","3","3","3","1") = "9"
    & skf18("10","8","2","3","3","4","1") = "9"
    & skf18("10","8","2","3","3","5","1") = "9"
    & skf18("10","8","2","3","3","6","1") = "9"
    & skf18("10","8","2","3","3","7","1") = "9"
    & skf18("10","8","2","3","3","8","1") = "9"
    & skf18("10","8","2","3","3","9","1") = "9"
    & skf18("10","8","2","3","3","10","1") = "9"
    & skf18("10","8","2","3","4","1","1") = "9"
    & skf18("10","8","2","3","4","2","1") = "9"
    & skf18("10","8","2","3","4","3","1") = "9"
    & skf18("10","8","2","3","4","4","1") = "9"
    & skf18("10","8","2","3","4","5","1") = "9"
    & skf18("10","8","2","3","4","6","1") = "9"
    & skf18("10","8","2","3","4","7","1") = "9"
    & skf18("10","8","2","3","4","8","1") = "9"
    & skf18("10","8","2","3","4","9","1") = "9"
    & skf18("10","8","2","3","4","10","1") = "9"
    & skf18("10","8","2","3","5","1","1") = "9"
    & skf18("10","8","2","3","5","2","1") = "9"
    & skf18("10","8","2","3","5","3","1") = "9"
    & skf18("10","8","2","3","5","4","1") = "9"
    & skf18("10","8","2","3","5","5","1") = "9"
    & skf18("10","8","2","3","5","6","1") = "9"
    & skf18("10","8","2","3","5","7","1") = "9"
    & skf18("10","8","2","3","5","8","1") = "9"
    & skf18("10","8","2","3","5","9","1") = "9"
    & skf18("10","8","2","3","5","10","1") = "9"
    & skf18("10","8","2","3","6","1","1") = "9"
    & skf18("10","8","2","3","6","2","1") = "9"
    & skf18("10","8","2","3","6","3","1") = "9"
    & skf18("10","8","2","3","6","4","1") = "9"
    & skf18("10","8","2","3","6","5","1") = "9"
    & skf18("10","8","2","3","6","6","1") = "9"
    & skf18("10","8","2","3","6","7","1") = "9"
    & skf18("10","8","2","3","6","8","1") = "9"
    & skf18("10","8","2","3","6","9","1") = "9"
    & skf18("10","8","2","3","6","10","1") = "9"
    & skf18("10","8","2","3","7","1","1") = "9"
    & skf18("10","8","2","3","7","2","1") = "9"
    & skf18("10","8","2","3","7","3","1") = "9"
    & skf18("10","8","2","3","7","4","1") = "9"
    & skf18("10","8","2","3","7","5","1") = "9"
    & skf18("10","8","2","3","7","6","1") = "9"
    & skf18("10","8","2","3","7","7","1") = "9"
    & skf18("10","8","2","3","7","8","1") = "9"
    & skf18("10","8","2","3","7","9","1") = "9"
    & skf18("10","8","2","3","7","10","1") = "9"
    & skf18("10","8","2","3","8","1","1") = "9"
    & skf18("10","8","2","3","8","2","1") = "9"
    & skf18("10","8","2","3","8","3","1") = "9"
    & skf18("10","8","2","3","8","4","1") = "9"
    & skf18("10","8","2","3","8","5","1") = "9"
    & skf18("10","8","2","3","8","6","1") = "9"
    & skf18("10","8","2","3","8","7","1") = "9"
    & skf18("10","8","2","3","8","8","1") = "9"
    & skf18("10","8","2","3","8","9","1") = "9"
    & skf18("10","8","2","3","8","10","1") = "9"
    & skf18("10","8","2","3","9","1","1") = "9"
    & skf18("10","8","2","3","9","2","1") = "9"
    & skf18("10","8","2","3","9","3","1") = "9"
    & skf18("10","8","2","3","9","4","1") = "9"
    & skf18("10","8","2","3","9","5","1") = "9"
    & skf18("10","8","2","3","9","6","1") = "9"
    & skf18("10","8","2","3","9","7","1") = "9"
    & skf18("10","8","2","3","9","8","1") = "9"
    & skf18("10","8","2","3","9","9","1") = "9"
    & skf18("10","8","2","3","9","10","1") = "9"
    & skf18("10","8","2","3","10","1","1") = "9"
    & skf18("10","8","2","3","10","2","1") = "9"
    & skf18("10","8","2","3","10","3","1") = "9"
    & skf18("10","8","2","3","10","4","1") = "9"
    & skf18("10","8","2","3","10","5","1") = "9"
    & skf18("10","8","2","3","10","6","1") = "9"
    & skf18("10","8","2","3","10","7","1") = "9"
    & skf18("10","8","2","3","10","8","1") = "9"
    & skf18("10","8","2","3","10","9","1") = "9"
    & skf18("10","8","2","3","10","10","1") = "9"
    & skf18("10","8","2","4","1","1","1") = "9"
    & skf18("10","8","2","4","1","2","1") = "9"
    & skf18("10","8","2","4","1","3","1") = "9"
    & skf18("10","8","2","4","1","4","1") = "9"
    & skf18("10","8","2","4","1","5","1") = "9"
    & skf18("10","8","2","4","1","6","1") = "9"
    & skf18("10","8","2","4","1","7","1") = "9"
    & skf18("10","8","2","4","1","8","1") = "9"
    & skf18("10","8","2","4","1","9","1") = "9"
    & skf18("10","8","2","4","1","10","1") = "9"
    & skf18("10","8","2","4","2","1","1") = "9"
    & skf18("10","8","2","4","2","2","1") = "9"
    & skf18("10","8","2","4","2","3","1") = "9"
    & skf18("10","8","2","4","2","4","1") = "9"
    & skf18("10","8","2","4","2","5","1") = "9"
    & skf18("10","8","2","4","2","6","1") = "9"
    & skf18("10","8","2","4","2","7","1") = "9"
    & skf18("10","8","2","4","2","8","1") = "9"
    & skf18("10","8","2","4","2","9","1") = "9"
    & skf18("10","8","2","4","2","10","1") = "9"
    & skf18("10","8","2","4","3","1","1") = "9"
    & skf18("10","8","2","4","3","2","1") = "9"
    & skf18("10","8","2","4","3","3","1") = "9"
    & skf18("10","8","2","4","3","4","1") = "9"
    & skf18("10","8","2","4","3","5","1") = "9"
    & skf18("10","8","2","4","3","6","1") = "9"
    & skf18("10","8","2","4","3","7","1") = "9"
    & skf18("10","8","2","4","3","8","1") = "9"
    & skf18("10","8","2","4","3","9","1") = "9"
    & skf18("10","8","2","4","3","10","1") = "9"
    & skf18("10","8","2","4","4","1","1") = "9"
    & skf18("10","8","2","4","4","2","1") = "9"
    & skf18("10","8","2","4","4","3","1") = "9"
    & skf18("10","8","2","4","4","4","1") = "9"
    & skf18("10","8","2","4","4","5","1") = "9"
    & skf18("10","8","2","4","4","6","1") = "9"
    & skf18("10","8","2","4","4","7","1") = "9"
    & skf18("10","8","2","4","4","8","1") = "9"
    & skf18("10","8","2","4","4","9","1") = "9"
    & skf18("10","8","2","4","4","10","1") = "9"
    & skf18("10","8","2","4","5","1","1") = "9"
    & skf18("10","8","2","4","5","2","1") = "9"
    & skf18("10","8","2","4","5","3","1") = "9"
    & skf18("10","8","2","4","5","4","1") = "9"
    & skf18("10","8","2","4","5","5","1") = "9"
    & skf18("10","8","2","4","5","6","1") = "9"
    & skf18("10","8","2","4","5","7","1") = "9"
    & skf18("10","8","2","4","5","8","1") = "9"
    & skf18("10","8","2","4","5","9","1") = "9"
    & skf18("10","8","2","4","5","10","1") = "9"
    & skf18("10","8","2","4","6","1","1") = "9"
    & skf18("10","8","2","4","6","2","1") = "9"
    & skf18("10","8","2","4","6","3","1") = "9"
    & skf18("10","8","2","4","6","4","1") = "9"
    & skf18("10","8","2","4","6","5","1") = "9"
    & skf18("10","8","2","4","6","6","1") = "9"
    & skf18("10","8","2","4","6","7","1") = "9"
    & skf18("10","8","2","4","6","8","1") = "9"
    & skf18("10","8","2","4","6","9","1") = "9"
    & skf18("10","8","2","4","6","10","1") = "9"
    & skf18("10","8","2","4","7","1","1") = "9"
    & skf18("10","8","2","4","7","2","1") = "9"
    & skf18("10","8","2","4","7","3","1") = "9"
    & skf18("10","8","2","4","7","4","1") = "9"
    & skf18("10","8","2","4","7","5","1") = "9"
    & skf18("10","8","2","4","7","6","1") = "9"
    & skf18("10","8","2","4","7","7","1") = "9"
    & skf18("10","8","2","4","7","8","1") = "9"
    & skf18("10","8","2","4","7","9","1") = "9"
    & skf18("10","8","2","4","7","10","1") = "9"
    & skf18("10","8","2","4","8","1","1") = "9"
    & skf18("10","8","2","4","8","2","1") = "9"
    & skf18("10","8","2","4","8","3","1") = "9"
    & skf18("10","8","2","4","8","4","1") = "9"
    & skf18("10","8","2","4","8","5","1") = "9"
    & skf18("10","8","2","4","8","6","1") = "9"
    & skf18("10","8","2","4","8","7","1") = "9"
    & skf18("10","8","2","4","8","8","1") = "9"
    & skf18("10","8","2","4","8","9","1") = "9"
    & skf18("10","8","2","4","8","10","1") = "9"
    & skf18("10","8","2","4","9","1","1") = "9"
    & skf18("10","8","2","4","9","2","1") = "9"
    & skf18("10","8","2","4","9","3","1") = "9"
    & skf18("10","8","2","4","9","4","1") = "9"
    & skf18("10","8","2","4","9","5","1") = "9"
    & skf18("10","8","2","4","9","6","1") = "9"
    & skf18("10","8","2","4","9","7","1") = "9"
    & skf18("10","8","2","4","9","8","1") = "9"
    & skf18("10","8","2","4","9","9","1") = "9"
    & skf18("10","8","2","4","9","10","1") = "9"
    & skf18("10","8","2","4","10","1","1") = "9"
    & skf18("10","8","2","4","10","2","1") = "9"
    & skf18("10","8","2","4","10","3","1") = "9"
    & skf18("10","8","2","4","10","4","1") = "9"
    & skf18("10","8","2","4","10","5","1") = "9"
    & skf18("10","8","2","4","10","6","1") = "9"
    & skf18("10","8","2","4","10","7","1") = "9"
    & skf18("10","8","2","4","10","8","1") = "9"
    & skf18("10","8","2","4","10","9","1") = "9"
    & skf18("10","8","2","4","10","10","1") = "9"
    & skf18("10","8","2","5","1","1","1") = "9"
    & skf18("10","8","2","5","1","2","1") = "9"
    & skf18("10","8","2","5","1","3","1") = "9"
    & skf18("10","8","2","5","1","4","1") = "9"
    & skf18("10","8","2","5","1","5","1") = "9"
    & skf18("10","8","2","5","1","6","1") = "9"
    & skf18("10","8","2","5","1","7","1") = "9"
    & skf18("10","8","2","5","1","8","1") = "9"
    & skf18("10","8","2","5","1","9","1") = "9"
    & skf18("10","8","2","5","1","10","1") = "9"
    & skf18("10","8","2","5","2","1","1") = "9"
    & skf18("10","8","2","5","2","2","1") = "9"
    & skf18("10","8","2","5","2","3","1") = "9"
    & skf18("10","8","2","5","2","4","1") = "9"
    & skf18("10","8","2","5","2","5","1") = "9"
    & skf18("10","8","2","5","2","6","1") = "9"
    & skf18("10","8","2","5","2","7","1") = "9"
    & skf18("10","8","2","5","2","8","1") = "9"
    & skf18("10","8","2","5","2","9","1") = "9"
    & skf18("10","8","2","5","2","10","1") = "9"
    & skf18("10","8","2","5","3","1","1") = "9"
    & skf18("10","8","2","5","3","2","1") = "9"
    & skf18("10","8","2","5","3","3","1") = "9"
    & skf18("10","8","2","5","3","4","1") = "9"
    & skf18("10","8","2","5","3","5","1") = "9"
    & skf18("10","8","2","5","3","6","1") = "9"
    & skf18("10","8","2","5","3","7","1") = "9"
    & skf18("10","8","2","5","3","8","1") = "9"
    & skf18("10","8","2","5","3","9","1") = "9"
    & skf18("10","8","2","5","3","10","1") = "9"
    & skf18("10","8","2","5","4","1","1") = "9"
    & skf18("10","8","2","5","4","2","1") = "9"
    & skf18("10","8","2","5","4","3","1") = "9"
    & skf18("10","8","2","5","4","4","1") = "9"
    & skf18("10","8","2","5","4","5","1") = "9"
    & skf18("10","8","2","5","4","6","1") = "9"
    & skf18("10","8","2","5","4","7","1") = "9"
    & skf18("10","8","2","5","4","8","1") = "9"
    & skf18("10","8","2","5","4","9","1") = "9"
    & skf18("10","8","2","5","4","10","1") = "9"
    & skf18("10","8","2","5","5","1","1") = "9"
    & skf18("10","8","2","5","5","2","1") = "9"
    & skf18("10","8","2","5","5","3","1") = "9"
    & skf18("10","8","2","5","5","4","1") = "9"
    & skf18("10","8","2","5","5","5","1") = "9"
    & skf18("10","8","2","5","5","6","1") = "9"
    & skf18("10","8","2","5","5","7","1") = "9"
    & skf18("10","8","2","5","5","8","1") = "9"
    & skf18("10","8","2","5","5","9","1") = "9"
    & skf18("10","8","2","5","5","10","1") = "9"
    & skf18("10","8","2","5","6","1","1") = "9"
    & skf18("10","8","2","5","6","2","1") = "9"
    & skf18("10","8","2","5","6","3","1") = "9"
    & skf18("10","8","2","5","6","4","1") = "9"
    & skf18("10","8","2","5","6","5","1") = "9"
    & skf18("10","8","2","5","6","6","1") = "9"
    & skf18("10","8","2","5","6","7","1") = "9"
    & skf18("10","8","2","5","6","8","1") = "9"
    & skf18("10","8","2","5","6","9","1") = "9"
    & skf18("10","8","2","5","6","10","1") = "9"
    & skf18("10","8","2","5","7","1","1") = "9"
    & skf18("10","8","2","5","7","2","1") = "9"
    & skf18("10","8","2","5","7","3","1") = "9"
    & skf18("10","8","2","5","7","4","1") = "9"
    & skf18("10","8","2","5","7","5","1") = "9"
    & skf18("10","8","2","5","7","6","1") = "9"
    & skf18("10","8","2","5","7","7","1") = "9"
    & skf18("10","8","2","5","7","8","1") = "9"
    & skf18("10","8","2","5","7","9","1") = "9"
    & skf18("10","8","2","5","7","10","1") = "9"
    & skf18("10","8","2","5","8","1","1") = "9"
    & skf18("10","8","2","5","8","2","1") = "9"
    & skf18("10","8","2","5","8","3","1") = "9"
    & skf18("10","8","2","5","8","4","1") = "9"
    & skf18("10","8","2","5","8","5","1") = "9"
    & skf18("10","8","2","5","8","6","1") = "9"
    & skf18("10","8","2","5","8","7","1") = "9"
    & skf18("10","8","2","5","8","8","1") = "9"
    & skf18("10","8","2","5","8","9","1") = "9"
    & skf18("10","8","2","5","8","10","1") = "9"
    & skf18("10","8","2","5","9","1","1") = "9"
    & skf18("10","8","2","5","9","2","1") = "9"
    & skf18("10","8","2","5","9","3","1") = "9"
    & skf18("10","8","2","5","9","4","1") = "9"
    & skf18("10","8","2","5","9","5","1") = "9"
    & skf18("10","8","2","5","9","6","1") = "9"
    & skf18("10","8","2","5","9","7","1") = "9"
    & skf18("10","8","2","5","9","8","1") = "9"
    & skf18("10","8","2","5","9","9","1") = "9"
    & skf18("10","8","2","5","9","10","1") = "9"
    & skf18("10","8","2","5","10","1","1") = "9"
    & skf18("10","8","2","5","10","2","1") = "9"
    & skf18("10","8","2","5","10","3","1") = "9"
    & skf18("10","8","2","5","10","4","1") = "9"
    & skf18("10","8","2","5","10","5","1") = "9"
    & skf18("10","8","2","5","10","6","1") = "9"
    & skf18("10","8","2","5","10","7","1") = "9"
    & skf18("10","8","2","5","10","8","1") = "9"
    & skf18("10","8","2","5","10","9","1") = "9"
    & skf18("10","8","2","5","10","10","1") = "9"
    & skf18("10","8","2","6","1","1","1") = "9"
    & skf18("10","8","2","6","1","2","1") = "9"
    & skf18("10","8","2","6","1","3","1") = "9"
    & skf18("10","8","2","6","1","4","1") = "9"
    & skf18("10","8","2","6","1","5","1") = "9"
    & skf18("10","8","2","6","1","6","1") = "9"
    & skf18("10","8","2","6","1","7","1") = "9"
    & skf18("10","8","2","6","1","8","1") = "9"
    & skf18("10","8","2","6","1","9","1") = "9"
    & skf18("10","8","2","6","1","10","1") = "9"
    & skf18("10","8","2","6","2","1","1") = "9"
    & skf18("10","8","2","6","2","2","1") = "9"
    & skf18("10","8","2","6","2","3","1") = "9"
    & skf18("10","8","2","6","2","4","1") = "9"
    & skf18("10","8","2","6","2","5","1") = "9"
    & skf18("10","8","2","6","2","6","1") = "9"
    & skf18("10","8","2","6","2","7","1") = "9"
    & skf18("10","8","2","6","2","8","1") = "9"
    & skf18("10","8","2","6","2","9","1") = "9"
    & skf18("10","8","2","6","2","10","1") = "9"
    & skf18("10","8","2","6","3","1","1") = "9"
    & skf18("10","8","2","6","3","2","1") = "9"
    & skf18("10","8","2","6","3","3","1") = "9"
    & skf18("10","8","2","6","3","4","1") = "9"
    & skf18("10","8","2","6","3","5","1") = "9"
    & skf18("10","8","2","6","3","6","1") = "9"
    & skf18("10","8","2","6","3","7","1") = "9"
    & skf18("10","8","2","6","3","8","1") = "9"
    & skf18("10","8","2","6","3","9","1") = "9"
    & skf18("10","8","2","6","3","10","1") = "9"
    & skf18("10","8","2","6","4","1","1") = "9"
    & skf18("10","8","2","6","4","2","1") = "9"
    & skf18("10","8","2","6","4","3","1") = "9"
    & skf18("10","8","2","6","4","4","1") = "9"
    & skf18("10","8","2","6","4","5","1") = "9"
    & skf18("10","8","2","6","4","6","1") = "9"
    & skf18("10","8","2","6","4","7","1") = "9"
    & skf18("10","8","2","6","4","8","1") = "9"
    & skf18("10","8","2","6","4","9","1") = "9"
    & skf18("10","8","2","6","4","10","1") = "9"
    & skf18("10","8","2","6","5","1","1") = "9"
    & skf18("10","8","2","6","5","2","1") = "9"
    & skf18("10","8","2","6","5","3","1") = "9"
    & skf18("10","8","2","6","5","4","1") = "9"
    & skf18("10","8","2","6","5","5","1") = "9"
    & skf18("10","8","2","6","5","6","1") = "9"
    & skf18("10","8","2","6","5","7","1") = "9"
    & skf18("10","8","2","6","5","8","1") = "9"
    & skf18("10","8","2","6","5","9","1") = "9"
    & skf18("10","8","2","6","5","10","1") = "9"
    & skf18("10","8","2","6","6","1","1") = "9"
    & skf18("10","8","2","6","6","2","1") = "9"
    & skf18("10","8","2","6","6","3","1") = "9"
    & skf18("10","8","2","6","6","4","1") = "9"
    & skf18("10","8","2","6","6","5","1") = "9"
    & skf18("10","8","2","6","6","6","1") = "9"
    & skf18("10","8","2","6","6","7","1") = "9"
    & skf18("10","8","2","6","6","8","1") = "9"
    & skf18("10","8","2","6","6","9","1") = "9"
    & skf18("10","8","2","6","6","10","1") = "9"
    & skf18("10","8","2","6","7","1","1") = "9"
    & skf18("10","8","2","6","7","2","1") = "9"
    & skf18("10","8","2","6","7","3","1") = "9"
    & skf18("10","8","2","6","7","4","1") = "9"
    & skf18("10","8","2","6","7","5","1") = "9"
    & skf18("10","8","2","6","7","6","1") = "9"
    & skf18("10","8","2","6","7","7","1") = "9"
    & skf18("10","8","2","6","7","8","1") = "9"
    & skf18("10","8","2","6","7","9","1") = "9"
    & skf18("10","8","2","6","7","10","1") = "9"
    & skf18("10","8","2","6","8","1","1") = "9"
    & skf18("10","8","2","6","8","2","1") = "9"
    & skf18("10","8","2","6","8","3","1") = "9"
    & skf18("10","8","2","6","8","4","1") = "9"
    & skf18("10","8","2","6","8","5","1") = "9"
    & skf18("10","8","2","6","8","6","1") = "9"
    & skf18("10","8","2","6","8","7","1") = "9"
    & skf18("10","8","2","6","8","8","1") = "9"
    & skf18("10","8","2","6","8","9","1") = "9"
    & skf18("10","8","2","6","8","10","1") = "9"
    & skf18("10","8","2","6","9","1","1") = "9"
    & skf18("10","8","2","6","9","2","1") = "9"
    & skf18("10","8","2","6","9","3","1") = "9"
    & skf18("10","8","2","6","9","4","1") = "9"
    & skf18("10","8","2","6","9","5","1") = "9"
    & skf18("10","8","2","6","9","6","1") = "9"
    & skf18("10","8","2","6","9","7","1") = "9"
    & skf18("10","8","2","6","9","8","1") = "9"
    & skf18("10","8","2","6","9","9","1") = "9"
    & skf18("10","8","2","6","9","10","1") = "9"
    & skf18("10","8","2","6","10","1","1") = "9"
    & skf18("10","8","2","6","10","2","1") = "9"
    & skf18("10","8","2","6","10","3","1") = "9"
    & skf18("10","8","2","6","10","4","1") = "9"
    & skf18("10","8","2","6","10","5","1") = "9"
    & skf18("10","8","2","6","10","6","1") = "9"
    & skf18("10","8","2","6","10","7","1") = "9"
    & skf18("10","8","2","6","10","8","1") = "9"
    & skf18("10","8","2","6","10","9","1") = "9"
    & skf18("10","8","2","6","10","10","1") = "9"
    & skf18("10","8","2","7","1","1","1") = "9"
    & skf18("10","8","2","7","1","2","1") = "9"
    & skf18("10","8","2","7","1","3","1") = "9"
    & skf18("10","8","2","7","1","4","1") = "9"
    & skf18("10","8","2","7","1","5","1") = "9"
    & skf18("10","8","2","7","1","6","1") = "9"
    & skf18("10","8","2","7","1","7","1") = "9"
    & skf18("10","8","2","7","1","8","1") = "9"
    & skf18("10","8","2","7","1","9","1") = "9"
    & skf18("10","8","2","7","1","10","1") = "9"
    & skf18("10","8","2","7","2","1","1") = "9"
    & skf18("10","8","2","7","2","2","1") = "9"
    & skf18("10","8","2","7","2","3","1") = "9"
    & skf18("10","8","2","7","2","4","1") = "9"
    & skf18("10","8","2","7","2","5","1") = "9"
    & skf18("10","8","2","7","2","6","1") = "9"
    & skf18("10","8","2","7","2","7","1") = "9"
    & skf18("10","8","2","7","2","8","1") = "9"
    & skf18("10","8","2","7","2","9","1") = "9"
    & skf18("10","8","2","7","2","10","1") = "9"
    & skf18("10","8","2","7","3","1","1") = "9"
    & skf18("10","8","2","7","3","2","1") = "9"
    & skf18("10","8","2","7","3","3","1") = "9"
    & skf18("10","8","2","7","3","4","1") = "9"
    & skf18("10","8","2","7","3","5","1") = "9"
    & skf18("10","8","2","7","3","6","1") = "9"
    & skf18("10","8","2","7","3","7","1") = "9"
    & skf18("10","8","2","7","3","8","1") = "9"
    & skf18("10","8","2","7","3","9","1") = "9"
    & skf18("10","8","2","7","3","10","1") = "9"
    & skf18("10","8","2","7","4","1","1") = "9"
    & skf18("10","8","2","7","4","2","1") = "9"
    & skf18("10","8","2","7","4","3","1") = "9"
    & skf18("10","8","2","7","4","4","1") = "9"
    & skf18("10","8","2","7","4","5","1") = "9"
    & skf18("10","8","2","7","4","6","1") = "9"
    & skf18("10","8","2","7","4","7","1") = "9"
    & skf18("10","8","2","7","4","8","1") = "9"
    & skf18("10","8","2","7","4","9","1") = "9"
    & skf18("10","8","2","7","4","10","1") = "9"
    & skf18("10","8","2","7","5","1","1") = "9"
    & skf18("10","8","2","7","5","2","1") = "9"
    & skf18("10","8","2","7","5","3","1") = "9"
    & skf18("10","8","2","7","5","4","1") = "9"
    & skf18("10","8","2","7","5","5","1") = "9"
    & skf18("10","8","2","7","5","6","1") = "9"
    & skf18("10","8","2","7","5","7","1") = "9"
    & skf18("10","8","2","7","5","8","1") = "9"
    & skf18("10","8","2","7","5","9","1") = "9"
    & skf18("10","8","2","7","5","10","1") = "9"
    & skf18("10","8","2","7","6","1","1") = "9"
    & skf18("10","8","2","7","6","2","1") = "9"
    & skf18("10","8","2","7","6","3","1") = "9"
    & skf18("10","8","2","7","6","4","1") = "9"
    & skf18("10","8","2","7","6","5","1") = "9"
    & skf18("10","8","2","7","6","6","1") = "9"
    & skf18("10","8","2","7","6","7","1") = "9"
    & skf18("10","8","2","7","6","8","1") = "9"
    & skf18("10","8","2","7","6","9","1") = "9"
    & skf18("10","8","2","7","6","10","1") = "9"
    & skf18("10","8","2","7","7","1","1") = "9"
    & skf18("10","8","2","7","7","2","1") = "9"
    & skf18("10","8","2","7","7","3","1") = "9"
    & skf18("10","8","2","7","7","4","1") = "9"
    & skf18("10","8","2","7","7","5","1") = "9"
    & skf18("10","8","2","7","7","6","1") = "9"
    & skf18("10","8","2","7","7","7","1") = "9"
    & skf18("10","8","2","7","7","8","1") = "9"
    & skf18("10","8","2","7","7","9","1") = "9"
    & skf18("10","8","2","7","7","10","1") = "9"
    & skf18("10","8","2","7","8","1","1") = "9"
    & skf18("10","8","2","7","8","2","1") = "9"
    & skf18("10","8","2","7","8","3","1") = "9"
    & skf18("10","8","2","7","8","4","1") = "9"
    & skf18("10","8","2","7","8","5","1") = "9"
    & skf18("10","8","2","7","8","6","1") = "9"
    & skf18("10","8","2","7","8","7","1") = "9"
    & skf18("10","8","2","7","8","8","1") = "9"
    & skf18("10","8","2","7","8","9","1") = "9"
    & skf18("10","8","2","7","8","10","1") = "9"
    & skf18("10","8","2","7","9","1","1") = "9"
    & skf18("10","8","2","7","9","2","1") = "9"
    & skf18("10","8","2","7","9","3","1") = "9"
    & skf18("10","8","2","7","9","4","1") = "9"
    & skf18("10","8","2","7","9","5","1") = "9"
    & skf18("10","8","2","7","9","6","1") = "9"
    & skf18("10","8","2","7","9","7","1") = "9"
    & skf18("10","8","2","7","9","8","1") = "9"
    & skf18("10","8","2","7","9","9","1") = "9"
    & skf18("10","8","2","7","9","10","1") = "9"
    & skf18("10","8","2","7","10","1","1") = "9"
    & skf18("10","8","2","7","10","2","1") = "9"
    & skf18("10","8","2","7","10","3","1") = "9"
    & skf18("10","8","2","7","10","4","1") = "9"
    & skf18("10","8","2","7","10","5","1") = "9"
    & skf18("10","8","2","7","10","6","1") = "9"
    & skf18("10","8","2","7","10","7","1") = "9"
    & skf18("10","8","2","7","10","8","1") = "9"
    & skf18("10","8","2","7","10","9","1") = "9"
    & skf18("10","8","2","7","10","10","1") = "9"
    & skf18("10","8","2","8","1","1","1") = "9"
    & skf18("10","8","2","8","1","2","1") = "9"
    & skf18("10","8","2","8","1","3","1") = "9"
    & skf18("10","8","2","8","1","4","1") = "9"
    & skf18("10","8","2","8","1","5","1") = "9"
    & skf18("10","8","2","8","1","6","1") = "9"
    & skf18("10","8","2","8","1","7","1") = "9"
    & skf18("10","8","2","8","1","8","1") = "9"
    & skf18("10","8","2","8","1","9","1") = "9"
    & skf18("10","8","2","8","1","10","1") = "9"
    & skf18("10","8","2","8","2","1","1") = "9"
    & skf18("10","8","2","8","2","2","1") = "9"
    & skf18("10","8","2","8","2","3","1") = "9"
    & skf18("10","8","2","8","2","4","1") = "9"
    & skf18("10","8","2","8","2","5","1") = "9"
    & skf18("10","8","2","8","2","6","1") = "9"
    & skf18("10","8","2","8","2","7","1") = "9"
    & skf18("10","8","2","8","2","8","1") = "9"
    & skf18("10","8","2","8","2","9","1") = "9"
    & skf18("10","8","2","8","2","10","1") = "9"
    & skf18("10","8","2","8","3","1","1") = "9"
    & skf18("10","8","2","8","3","2","1") = "9"
    & skf18("10","8","2","8","3","3","1") = "9"
    & skf18("10","8","2","8","3","4","1") = "9"
    & skf18("10","8","2","8","3","5","1") = "9"
    & skf18("10","8","2","8","3","6","1") = "9"
    & skf18("10","8","2","8","3","7","1") = "9"
    & skf18("10","8","2","8","3","8","1") = "9"
    & skf18("10","8","2","8","3","9","1") = "9"
    & skf18("10","8","2","8","3","10","1") = "9"
    & skf18("10","8","2","8","4","1","1") = "9"
    & skf18("10","8","2","8","4","2","1") = "9"
    & skf18("10","8","2","8","4","3","1") = "9"
    & skf18("10","8","2","8","4","4","1") = "9"
    & skf18("10","8","2","8","4","5","1") = "9"
    & skf18("10","8","2","8","4","6","1") = "9"
    & skf18("10","8","2","8","4","7","1") = "9"
    & skf18("10","8","2","8","4","8","1") = "9"
    & skf18("10","8","2","8","4","9","1") = "9"
    & skf18("10","8","2","8","4","10","1") = "9"
    & skf18("10","8","2","8","5","1","1") = "9"
    & skf18("10","8","2","8","5","2","1") = "9"
    & skf18("10","8","2","8","5","3","1") = "9"
    & skf18("10","8","2","8","5","4","1") = "9"
    & skf18("10","8","2","8","5","5","1") = "9"
    & skf18("10","8","2","8","5","6","1") = "9"
    & skf18("10","8","2","8","5","7","1") = "9"
    & skf18("10","8","2","8","5","8","1") = "9"
    & skf18("10","8","2","8","5","9","1") = "9"
    & skf18("10","8","2","8","5","10","1") = "9"
    & skf18("10","8","2","8","6","1","1") = "9"
    & skf18("10","8","2","8","6","2","1") = "9"
    & skf18("10","8","2","8","6","3","1") = "9"
    & skf18("10","8","2","8","6","4","1") = "9"
    & skf18("10","8","2","8","6","5","1") = "9"
    & skf18("10","8","2","8","6","6","1") = "9"
    & skf18("10","8","2","8","6","7","1") = "9"
    & skf18("10","8","2","8","6","8","1") = "9"
    & skf18("10","8","2","8","6","9","1") = "9"
    & skf18("10","8","2","8","6","10","1") = "9"
    & skf18("10","8","2","8","7","1","1") = "9"
    & skf18("10","8","2","8","7","2","1") = "9"
    & skf18("10","8","2","8","7","3","1") = "9"
    & skf18("10","8","2","8","7","4","1") = "9"
    & skf18("10","8","2","8","7","5","1") = "9"
    & skf18("10","8","2","8","7","6","1") = "9"
    & skf18("10","8","2","8","7","7","1") = "9"
    & skf18("10","8","2","8","7","8","1") = "9"
    & skf18("10","8","2","8","7","9","1") = "9"
    & skf18("10","8","2","8","7","10","1") = "9"
    & skf18("10","8","2","8","8","1","1") = "9"
    & skf18("10","8","2","8","8","2","1") = "9"
    & skf18("10","8","2","8","8","3","1") = "9"
    & skf18("10","8","2","8","8","4","1") = "9"
    & skf18("10","8","2","8","8","5","1") = "9"
    & skf18("10","8","2","8","8","6","1") = "9"
    & skf18("10","8","2","8","8","7","1") = "9"
    & skf18("10","8","2","8","8","8","1") = "9"
    & skf18("10","8","2","8","8","9","1") = "9"
    & skf18("10","8","2","8","8","10","1") = "9"
    & skf18("10","8","2","8","9","1","1") = "9"
    & skf18("10","8","2","8","9","2","1") = "9"
    & skf18("10","8","2","8","9","3","1") = "9"
    & skf18("10","8","2","8","9","4","1") = "9"
    & skf18("10","8","2","8","9","5","1") = "9"
    & skf18("10","8","2","8","9","6","1") = "9"
    & skf18("10","8","2","8","9","7","1") = "9"
    & skf18("10","8","2","8","9","8","1") = "9"
    & skf18("10","8","2","8","9","9","1") = "9"
    & skf18("10","8","2","8","9","10","1") = "9"
    & skf18("10","8","2","8","10","1","1") = "9"
    & skf18("10","8","2","8","10","2","1") = "9"
    & skf18("10","8","2","8","10","3","1") = "9"
    & skf18("10","8","2","8","10","4","1") = "9"
    & skf18("10","8","2","8","10","5","1") = "9"
    & skf18("10","8","2","8","10","6","1") = "9"
    & skf18("10","8","2","8","10","7","1") = "9"
    & skf18("10","8","2","8","10","8","1") = "9"
    & skf18("10","8","2","8","10","9","1") = "9"
    & skf18("10","8","2","8","10","10","1") = "9"
    & skf18("10","8","2","9","1","1","1") = "9"
    & skf18("10","8","2","9","1","2","1") = "9"
    & skf18("10","8","2","9","1","3","1") = "9"
    & skf18("10","8","2","9","1","4","1") = "9"
    & skf18("10","8","2","9","1","5","1") = "9"
    & skf18("10","8","2","9","1","6","1") = "9"
    & skf18("10","8","2","9","1","7","1") = "9"
    & skf18("10","8","2","9","1","8","1") = "9"
    & skf18("10","8","2","9","1","9","1") = "9"
    & skf18("10","8","2","9","1","10","1") = "9"
    & skf18("10","8","2","9","2","1","1") = "9"
    & skf18("10","8","2","9","2","2","1") = "9"
    & skf18("10","8","2","9","2","3","1") = "9"
    & skf18("10","8","2","9","2","4","1") = "9"
    & skf18("10","8","2","9","2","5","1") = "9"
    & skf18("10","8","2","9","2","6","1") = "9"
    & skf18("10","8","2","9","2","7","1") = "9"
    & skf18("10","8","2","9","2","8","1") = "9"
    & skf18("10","8","2","9","2","9","1") = "9"
    & skf18("10","8","2","9","2","10","1") = "9"
    & skf18("10","8","2","9","3","1","1") = "9"
    & skf18("10","8","2","9","3","2","1") = "9"
    & skf18("10","8","2","9","3","3","1") = "9"
    & skf18("10","8","2","9","3","4","1") = "9"
    & skf18("10","8","2","9","3","5","1") = "9"
    & skf18("10","8","2","9","3","6","1") = "9"
    & skf18("10","8","2","9","3","7","1") = "9"
    & skf18("10","8","2","9","3","8","1") = "9"
    & skf18("10","8","2","9","3","9","1") = "9"
    & skf18("10","8","2","9","3","10","1") = "9"
    & skf18("10","8","2","9","4","1","1") = "9"
    & skf18("10","8","2","9","4","2","1") = "9"
    & skf18("10","8","2","9","4","3","1") = "9"
    & skf18("10","8","2","9","4","4","1") = "9"
    & skf18("10","8","2","9","4","5","1") = "9"
    & skf18("10","8","2","9","4","6","1") = "9"
    & skf18("10","8","2","9","4","7","1") = "9"
    & skf18("10","8","2","9","4","8","1") = "9"
    & skf18("10","8","2","9","4","9","1") = "9"
    & skf18("10","8","2","9","4","10","1") = "9"
    & skf18("10","8","2","9","5","1","1") = "9"
    & skf18("10","8","2","9","5","2","1") = "9"
    & skf18("10","8","2","9","5","3","1") = "9"
    & skf18("10","8","2","9","5","4","1") = "9"
    & skf18("10","8","2","9","5","5","1") = "9"
    & skf18("10","8","2","9","5","6","1") = "9"
    & skf18("10","8","2","9","5","7","1") = "9"
    & skf18("10","8","2","9","5","8","1") = "9"
    & skf18("10","8","2","9","5","9","1") = "9"
    & skf18("10","8","2","9","5","10","1") = "9"
    & skf18("10","8","2","9","6","1","1") = "9"
    & skf18("10","8","2","9","6","2","1") = "9"
    & skf18("10","8","2","9","6","3","1") = "9"
    & skf18("10","8","2","9","6","4","1") = "9"
    & skf18("10","8","2","9","6","5","1") = "9"
    & skf18("10","8","2","9","6","6","1") = "9"
    & skf18("10","8","2","9","6","7","1") = "9"
    & skf18("10","8","2","9","6","8","1") = "9"
    & skf18("10","8","2","9","6","9","1") = "9"
    & skf18("10","8","2","9","6","10","1") = "9"
    & skf18("10","8","2","9","7","1","1") = "9"
    & skf18("10","8","2","9","7","2","1") = "9"
    & skf18("10","8","2","9","7","3","1") = "9"
    & skf18("10","8","2","9","7","4","1") = "9"
    & skf18("10","8","2","9","7","5","1") = "9"
    & skf18("10","8","2","9","7","6","1") = "9"
    & skf18("10","8","2","9","7","7","1") = "9"
    & skf18("10","8","2","9","7","8","1") = "9"
    & skf18("10","8","2","9","7","9","1") = "9"
    & skf18("10","8","2","9","7","10","1") = "9"
    & skf18("10","8","2","9","8","1","1") = "9"
    & skf18("10","8","2","9","8","2","1") = "9"
    & skf18("10","8","2","9","8","3","1") = "9"
    & skf18("10","8","2","9","8","4","1") = "9"
    & skf18("10","8","2","9","8","5","1") = "9"
    & skf18("10","8","2","9","8","6","1") = "9"
    & skf18("10","8","2","9","8","7","1") = "9"
    & skf18("10","8","2","9","8","8","1") = "9"
    & skf18("10","8","2","9","8","9","1") = "9"
    & skf18("10","8","2","9","8","10","1") = "9"
    & skf18("10","8","2","9","9","1","1") = "9"
    & skf18("10","8","2","9","9","2","1") = "9"
    & skf18("10","8","2","9","9","3","1") = "9"
    & skf18("10","8","2","9","9","4","1") = "9"
    & skf18("10","8","2","9","9","5","1") = "9"
    & skf18("10","8","2","9","9","6","1") = "9"
    & skf18("10","8","2","9","9","7","1") = "9"
    & skf18("10","8","2","9","9","8","1") = "9"
    & skf18("10","8","2","9","9","9","1") = "9"
    & skf18("10","8","2","9","9","10","1") = "9"
    & skf18("10","8","2","9","10","1","1") = "9"
    & skf18("10","8","2","9","10","2","1") = "9"
    & skf18("10","8","2","9","10","3","1") = "9"
    & skf18("10","8","2","9","10","4","1") = "9"
    & skf18("10","8","2","9","10","5","1") = "9"
    & skf18("10","8","2","9","10","6","1") = "9"
    & skf18("10","8","2","9","10","7","1") = "9"
    & skf18("10","8","2","9","10","8","1") = "9"
    & skf18("10","8","2","9","10","9","1") = "9"
    & skf18("10","8","2","9","10","10","1") = "9"
    & skf18("10","8","2","10","1","1","1") = "9"
    & skf18("10","8","2","10","1","2","1") = "9"
    & skf18("10","8","2","10","1","3","1") = "9"
    & skf18("10","8","2","10","1","4","1") = "9"
    & skf18("10","8","2","10","1","5","1") = "9"
    & skf18("10","8","2","10","1","6","1") = "9"
    & skf18("10","8","2","10","1","7","1") = "9"
    & skf18("10","8","2","10","1","8","1") = "9"
    & skf18("10","8","2","10","1","9","1") = "9"
    & skf18("10","8","2","10","1","10","1") = "9"
    & skf18("10","8","2","10","2","1","1") = "9"
    & skf18("10","8","2","10","2","2","1") = "9"
    & skf18("10","8","2","10","2","3","1") = "9"
    & skf18("10","8","2","10","2","4","1") = "9"
    & skf18("10","8","2","10","2","5","1") = "9"
    & skf18("10","8","2","10","2","6","1") = "9"
    & skf18("10","8","2","10","2","7","1") = "9"
    & skf18("10","8","2","10","2","8","1") = "9"
    & skf18("10","8","2","10","2","9","1") = "9"
    & skf18("10","8","2","10","2","10","1") = "9"
    & skf18("10","8","2","10","3","1","1") = "9"
    & skf18("10","8","2","10","3","2","1") = "9"
    & skf18("10","8","2","10","3","3","1") = "9"
    & skf18("10","8","2","10","3","4","1") = "9"
    & skf18("10","8","2","10","3","5","1") = "9"
    & skf18("10","8","2","10","3","6","1") = "9"
    & skf18("10","8","2","10","3","7","1") = "9"
    & skf18("10","8","2","10","3","8","1") = "9"
    & skf18("10","8","2","10","3","9","1") = "9"
    & skf18("10","8","2","10","3","10","1") = "9"
    & skf18("10","8","2","10","4","1","1") = "9"
    & skf18("10","8","2","10","4","2","1") = "9"
    & skf18("10","8","2","10","4","3","1") = "9"
    & skf18("10","8","2","10","4","4","1") = "9"
    & skf18("10","8","2","10","4","5","1") = "9"
    & skf18("10","8","2","10","4","6","1") = "9"
    & skf18("10","8","2","10","4","7","1") = "9"
    & skf18("10","8","2","10","4","8","1") = "9"
    & skf18("10","8","2","10","4","9","1") = "9"
    & skf18("10","8","2","10","4","10","1") = "9"
    & skf18("10","8","2","10","5","1","1") = "9"
    & skf18("10","8","2","10","5","2","1") = "9"
    & skf18("10","8","2","10","5","3","1") = "9"
    & skf18("10","8","2","10","5","4","1") = "9"
    & skf18("10","8","2","10","5","5","1") = "9"
    & skf18("10","8","2","10","5","6","1") = "9"
    & skf18("10","8","2","10","5","7","1") = "9"
    & skf18("10","8","2","10","5","8","1") = "9"
    & skf18("10","8","2","10","5","9","1") = "9"
    & skf18("10","8","2","10","5","10","1") = "9"
    & skf18("10","8","2","10","6","1","1") = "9"
    & skf18("10","8","2","10","6","2","1") = "9"
    & skf18("10","8","2","10","6","3","1") = "9"
    & skf18("10","8","2","10","6","4","1") = "9"
    & skf18("10","8","2","10","6","5","1") = "9"
    & skf18("10","8","2","10","6","6","1") = "9"
    & skf18("10","8","2","10","6","7","1") = "9"
    & skf18("10","8","2","10","6","8","1") = "9"
    & skf18("10","8","2","10","6","9","1") = "9"
    & skf18("10","8","2","10","6","10","1") = "9"
    & skf18("10","8","2","10","7","1","1") = "9"
    & skf18("10","8","2","10","7","2","1") = "9"
    & skf18("10","8","2","10","7","3","1") = "9"
    & skf18("10","8","2","10","7","4","1") = "9"
    & skf18("10","8","2","10","7","5","1") = "9"
    & skf18("10","8","2","10","7","6","1") = "9"
    & skf18("10","8","2","10","7","7","1") = "9"
    & skf18("10","8","2","10","7","8","1") = "9"
    & skf18("10","8","2","10","7","9","1") = "9"
    & skf18("10","8","2","10","7","10","1") = "9"
    & skf18("10","8","2","10","8","1","1") = "9"
    & skf18("10","8","2","10","8","2","1") = "9"
    & skf18("10","8","2","10","8","3","1") = "9"
    & skf18("10","8","2","10","8","4","1") = "9"
    & skf18("10","8","2","10","8","5","1") = "9"
    & skf18("10","8","2","10","8","6","1") = "9"
    & skf18("10","8","2","10","8","7","1") = "9"
    & skf18("10","8","2","10","8","8","1") = "9"
    & skf18("10","8","2","10","8","9","1") = "9"
    & skf18("10","8","2","10","8","10","1") = "9"
    & skf18("10","8","2","10","9","1","1") = "9"
    & skf18("10","8","2","10","9","2","1") = "9"
    & skf18("10","8","2","10","9","3","1") = "9"
    & skf18("10","8","2","10","9","4","1") = "9"
    & skf18("10","8","2","10","9","5","1") = "9"
    & skf18("10","8","2","10","9","6","1") = "9"
    & skf18("10","8","2","10","9","7","1") = "9"
    & skf18("10","8","2","10","9","8","1") = "9"
    & skf18("10","8","2","10","9","9","1") = "9"
    & skf18("10","8","2","10","9","10","1") = "9"
    & skf18("10","8","2","10","10","1","1") = "9"
    & skf18("10","8","2","10","10","2","1") = "9"
    & skf18("10","8","2","10","10","3","1") = "9"
    & skf18("10","8","2","10","10","4","1") = "9"
    & skf18("10","8","2","10","10","5","1") = "9"
    & skf18("10","8","2","10","10","6","1") = "9"
    & skf18("10","8","2","10","10","7","1") = "9"
    & skf18("10","8","2","10","10","8","1") = "9"
    & skf18("10","8","2","10","10","9","1") = "9"
    & skf18("10","8","2","10","10","10","1") = "9"
    & skf18("10","8","3","1","1","1","1") = "9"
    & skf18("10","8","3","1","1","2","1") = "9"
    & skf18("10","8","3","1","1","3","1") = "9"
    & skf18("10","8","3","1","1","4","1") = "9"
    & skf18("10","8","3","1","1","5","1") = "9"
    & skf18("10","8","3","1","1","6","1") = "9"
    & skf18("10","8","3","1","1","7","1") = "9"
    & skf18("10","8","3","1","1","8","1") = "9"
    & skf18("10","8","3","1","1","9","1") = "9"
    & skf18("10","8","3","1","1","10","1") = "9"
    & skf18("10","8","3","1","2","1","1") = "9"
    & skf18("10","8","3","1","2","2","1") = "9"
    & skf18("10","8","3","1","2","3","1") = "9"
    & skf18("10","8","3","1","2","4","1") = "9"
    & skf18("10","8","3","1","2","5","1") = "9"
    & skf18("10","8","3","1","2","6","1") = "9"
    & skf18("10","8","3","1","2","7","1") = "9"
    & skf18("10","8","3","1","2","8","1") = "9"
    & skf18("10","8","3","1","2","9","1") = "9"
    & skf18("10","8","3","1","2","10","1") = "9"
    & skf18("10","8","3","1","3","1","1") = "9"
    & skf18("10","8","3","1","3","2","1") = "9"
    & skf18("10","8","3","1","3","3","1") = "9"
    & skf18("10","8","3","1","3","4","1") = "9"
    & skf18("10","8","3","1","3","5","1") = "9"
    & skf18("10","8","3","1","3","6","1") = "9"
    & skf18("10","8","3","1","3","7","1") = "9"
    & skf18("10","8","3","1","3","8","1") = "9"
    & skf18("10","8","3","1","3","9","1") = "9"
    & skf18("10","8","3","1","3","10","1") = "9"
    & skf18("10","8","3","1","4","1","1") = "9"
    & skf18("10","8","3","1","4","2","1") = "9"
    & skf18("10","8","3","1","4","3","1") = "9"
    & skf18("10","8","3","1","4","4","1") = "9"
    & skf18("10","8","3","1","4","5","1") = "9"
    & skf18("10","8","3","1","4","6","1") = "9"
    & skf18("10","8","3","1","4","7","1") = "9"
    & skf18("10","8","3","1","4","8","1") = "9"
    & skf18("10","8","3","1","4","9","1") = "9"
    & skf18("10","8","3","1","4","10","1") = "9"
    & skf18("10","8","3","1","5","1","1") = "9"
    & skf18("10","8","3","1","5","2","1") = "9"
    & skf18("10","8","3","1","5","3","1") = "9"
    & skf18("10","8","3","1","5","4","1") = "9"
    & skf18("10","8","3","1","5","5","1") = "9"
    & skf18("10","8","3","1","5","6","1") = "9"
    & skf18("10","8","3","1","5","7","1") = "9"
    & skf18("10","8","3","1","5","8","1") = "9"
    & skf18("10","8","3","1","5","9","1") = "9"
    & skf18("10","8","3","1","5","10","1") = "9"
    & skf18("10","8","3","1","6","1","1") = "9"
    & skf18("10","8","3","1","6","2","1") = "9"
    & skf18("10","8","3","1","6","3","1") = "9"
    & skf18("10","8","3","1","6","4","1") = "9"
    & skf18("10","8","3","1","6","5","1") = "9"
    & skf18("10","8","3","1","6","6","1") = "9"
    & skf18("10","8","3","1","6","7","1") = "9"
    & skf18("10","8","3","1","6","8","1") = "9"
    & skf18("10","8","3","1","6","9","1") = "9"
    & skf18("10","8","3","1","6","10","1") = "9"
    & skf18("10","8","3","1","7","1","1") = "9"
    & skf18("10","8","3","1","7","2","1") = "9"
    & skf18("10","8","3","1","7","3","1") = "9"
    & skf18("10","8","3","1","7","4","1") = "9"
    & skf18("10","8","3","1","7","5","1") = "9"
    & skf18("10","8","3","1","7","6","1") = "9"
    & skf18("10","8","3","1","7","7","1") = "9"
    & skf18("10","8","3","1","7","8","1") = "9"
    & skf18("10","8","3","1","7","9","1") = "9"
    & skf18("10","8","3","1","7","10","1") = "9"
    & skf18("10","8","3","1","8","1","1") = "9"
    & skf18("10","8","3","1","8","2","1") = "9"
    & skf18("10","8","3","1","8","3","1") = "9"
    & skf18("10","8","3","1","8","4","1") = "9"
    & skf18("10","8","3","1","8","5","1") = "9"
    & skf18("10","8","3","1","8","6","1") = "9"
    & skf18("10","8","3","1","8","7","1") = "9"
    & skf18("10","8","3","1","8","8","1") = "9"
    & skf18("10","8","3","1","8","9","1") = "9"
    & skf18("10","8","3","1","8","10","1") = "9"
    & skf18("10","8","3","1","9","1","1") = "9"
    & skf18("10","8","3","1","9","2","1") = "9"
    & skf18("10","8","3","1","9","3","1") = "9"
    & skf18("10","8","3","1","9","4","1") = "9"
    & skf18("10","8","3","1","9","5","1") = "9"
    & skf18("10","8","3","1","9","6","1") = "9"
    & skf18("10","8","3","1","9","7","1") = "9"
    & skf18("10","8","3","1","9","8","1") = "9"
    & skf18("10","8","3","1","9","9","1") = "9"
    & skf18("10","8","3","1","9","10","1") = "9"
    & skf18("10","8","3","1","10","1","1") = "9"
    & skf18("10","8","3","1","10","2","1") = "9"
    & skf18("10","8","3","1","10","3","1") = "9"
    & skf18("10","8","3","1","10","4","1") = "9"
    & skf18("10","8","3","1","10","5","1") = "9"
    & skf18("10","8","3","1","10","6","1") = "9"
    & skf18("10","8","3","1","10","7","1") = "9"
    & skf18("10","8","3","1","10","8","1") = "9"
    & skf18("10","8","3","1","10","9","1") = "9"
    & skf18("10","8","3","1","10","10","1") = "9"
    & skf18("10","8","3","2","1","1","1") = "9"
    & skf18("10","8","3","2","1","2","1") = "9"
    & skf18("10","8","3","2","1","3","1") = "9"
    & skf18("10","8","3","2","1","4","1") = "9"
    & skf18("10","8","3","2","1","5","1") = "9"
    & skf18("10","8","3","2","1","6","1") = "9"
    & skf18("10","8","3","2","1","7","1") = "9"
    & skf18("10","8","3","2","1","8","1") = "9"
    & skf18("10","8","3","2","1","9","1") = "9"
    & skf18("10","8","3","2","1","10","1") = "9"
    & skf18("10","8","3","2","2","1","1") = "9"
    & skf18("10","8","3","2","2","2","1") = "9"
    & skf18("10","8","3","2","2","3","1") = "9"
    & skf18("10","8","3","2","2","4","1") = "9"
    & skf18("10","8","3","2","2","5","1") = "9"
    & skf18("10","8","3","2","2","6","1") = "9"
    & skf18("10","8","3","2","2","7","1") = "9"
    & skf18("10","8","3","2","2","8","1") = "9"
    & skf18("10","8","3","2","2","9","1") = "9"
    & skf18("10","8","3","2","2","10","1") = "9"
    & skf18("10","8","3","2","3","1","1") = "9"
    & skf18("10","8","3","2","3","2","1") = "9"
    & skf18("10","8","3","2","3","3","1") = "9"
    & skf18("10","8","3","2","3","4","1") = "9"
    & skf18("10","8","3","2","3","5","1") = "9"
    & skf18("10","8","3","2","3","6","1") = "9"
    & skf18("10","8","3","2","3","7","1") = "9"
    & skf18("10","8","3","2","3","8","1") = "9"
    & skf18("10","8","3","2","3","9","1") = "9"
    & skf18("10","8","3","2","3","10","1") = "9"
    & skf18("10","8","3","2","4","1","1") = "9"
    & skf18("10","8","3","2","4","2","1") = "9"
    & skf18("10","8","3","2","4","3","1") = "9"
    & skf18("10","8","3","2","4","4","1") = "9"
    & skf18("10","8","3","2","4","5","1") = "9"
    & skf18("10","8","3","2","4","6","1") = "9"
    & skf18("10","8","3","2","4","7","1") = "9"
    & skf18("10","8","3","2","4","8","1") = "9"
    & skf18("10","8","3","2","4","9","1") = "9"
    & skf18("10","8","3","2","4","10","1") = "9"
    & skf18("10","8","3","2","5","1","1") = "9"
    & skf18("10","8","3","2","5","2","1") = "9"
    & skf18("10","8","3","2","5","3","1") = "9"
    & skf18("10","8","3","2","5","4","1") = "9"
    & skf18("10","8","3","2","5","5","1") = "9"
    & skf18("10","8","3","2","5","6","1") = "9"
    & skf18("10","8","3","2","5","7","1") = "9"
    & skf18("10","8","3","2","5","8","1") = "9"
    & skf18("10","8","3","2","5","9","1") = "9"
    & skf18("10","8","3","2","5","10","1") = "9"
    & skf18("10","8","3","2","6","1","1") = "9"
    & skf18("10","8","3","2","6","2","1") = "9"
    & skf18("10","8","3","2","6","3","1") = "9"
    & skf18("10","8","3","2","6","4","1") = "9"
    & skf18("10","8","3","2","6","5","1") = "9"
    & skf18("10","8","3","2","6","6","1") = "9"
    & skf18("10","8","3","2","6","7","1") = "9"
    & skf18("10","8","3","2","6","8","1") = "9"
    & skf18("10","8","3","2","6","9","1") = "9"
    & skf18("10","8","3","2","6","10","1") = "9"
    & skf18("10","8","3","2","7","1","1") = "9"
    & skf18("10","8","3","2","7","2","1") = "9"
    & skf18("10","8","3","2","7","3","1") = "9"
    & skf18("10","8","3","2","7","4","1") = "9"
    & skf18("10","8","3","2","7","5","1") = "9"
    & skf18("10","8","3","2","7","6","1") = "9"
    & skf18("10","8","3","2","7","7","1") = "9"
    & skf18("10","8","3","2","7","8","1") = "9"
    & skf18("10","8","3","2","7","9","1") = "9"
    & skf18("10","8","3","2","7","10","1") = "9"
    & skf18("10","8","3","2","8","1","1") = "9"
    & skf18("10","8","3","2","8","2","1") = "9"
    & skf18("10","8","3","2","8","3","1") = "9"
    & skf18("10","8","3","2","8","4","1") = "9"
    & skf18("10","8","3","2","8","5","1") = "9"
    & skf18("10","8","3","2","8","6","1") = "9"
    & skf18("10","8","3","2","8","7","1") = "9"
    & skf18("10","8","3","2","8","8","1") = "9"
    & skf18("10","8","3","2","8","9","1") = "9"
    & skf18("10","8","3","2","8","10","1") = "9"
    & skf18("10","8","3","2","9","1","1") = "9"
    & skf18("10","8","3","2","9","2","1") = "9"
    & skf18("10","8","3","2","9","3","1") = "9"
    & skf18("10","8","3","2","9","4","1") = "9"
    & skf18("10","8","3","2","9","5","1") = "9"
    & skf18("10","8","3","2","9","6","1") = "9"
    & skf18("10","8","3","2","9","7","1") = "9"
    & skf18("10","8","3","2","9","8","1") = "9"
    & skf18("10","8","3","2","9","9","1") = "9"
    & skf18("10","8","3","2","9","10","1") = "9"
    & skf18("10","8","3","2","10","1","1") = "9"
    & skf18("10","8","3","2","10","2","1") = "9"
    & skf18("10","8","3","2","10","3","1") = "9"
    & skf18("10","8","3","2","10","4","1") = "9"
    & skf18("10","8","3","2","10","5","1") = "9"
    & skf18("10","8","3","2","10","6","1") = "9"
    & skf18("10","8","3","2","10","7","1") = "9"
    & skf18("10","8","3","2","10","8","1") = "9"
    & skf18("10","8","3","2","10","9","1") = "9"
    & skf18("10","8","3","2","10","10","1") = "9"
    & skf18("10","8","3","3","1","1","1") = "9"
    & skf18("10","8","3","3","1","2","1") = "9"
    & skf18("10","8","3","3","1","3","1") = "9"
    & skf18("10","8","3","3","1","4","1") = "9"
    & skf18("10","8","3","3","1","5","1") = "9"
    & skf18("10","8","3","3","1","6","1") = "9"
    & skf18("10","8","3","3","1","7","1") = "9"
    & skf18("10","8","3","3","1","8","1") = "9"
    & skf18("10","8","3","3","1","9","1") = "9"
    & skf18("10","8","3","3","1","10","1") = "9"
    & skf18("10","8","3","3","2","1","1") = "9"
    & skf18("10","8","3","3","2","2","1") = "9"
    & skf18("10","8","3","3","2","3","1") = "9"
    & skf18("10","8","3","3","2","4","1") = "9"
    & skf18("10","8","3","3","2","5","1") = "9"
    & skf18("10","8","3","3","2","6","1") = "9"
    & skf18("10","8","3","3","2","7","1") = "9"
    & skf18("10","8","3","3","2","8","1") = "9"
    & skf18("10","8","3","3","2","9","1") = "9"
    & skf18("10","8","3","3","2","10","1") = "9"
    & skf18("10","8","3","3","3","1","1") = "9"
    & skf18("10","8","3","3","3","2","1") = "9"
    & skf18("10","8","3","3","3","3","1") = "9"
    & skf18("10","8","3","3","3","4","1") = "9"
    & skf18("10","8","3","3","3","5","1") = "9"
    & skf18("10","8","3","3","3","6","1") = "9"
    & skf18("10","8","3","3","3","7","1") = "9"
    & skf18("10","8","3","3","3","8","1") = "9"
    & skf18("10","8","3","3","3","9","1") = "9"
    & skf18("10","8","3","3","3","10","1") = "9"
    & skf18("10","8","3","3","4","1","1") = "9"
    & skf18("10","8","3","3","4","2","1") = "9"
    & skf18("10","8","3","3","4","3","1") = "9"
    & skf18("10","8","3","3","4","4","1") = "9"
    & skf18("10","8","3","3","4","5","1") = "9"
    & skf18("10","8","3","3","4","6","1") = "9"
    & skf18("10","8","3","3","4","7","1") = "9"
    & skf18("10","8","3","3","4","8","1") = "9"
    & skf18("10","8","3","3","4","9","1") = "9"
    & skf18("10","8","3","3","4","10","1") = "9"
    & skf18("10","8","3","3","5","1","1") = "9"
    & skf18("10","8","3","3","5","2","1") = "9"
    & skf18("10","8","3","3","5","3","1") = "9"
    & skf18("10","8","3","3","5","4","1") = "9"
    & skf18("10","8","3","3","5","5","1") = "9"
    & skf18("10","8","3","3","5","6","1") = "9"
    & skf18("10","8","3","3","5","7","1") = "9"
    & skf18("10","8","3","3","5","8","1") = "9"
    & skf18("10","8","3","3","5","9","1") = "9"
    & skf18("10","8","3","3","5","10","1") = "9"
    & skf18("10","8","3","3","6","1","1") = "9"
    & skf18("10","8","3","3","6","2","1") = "9"
    & skf18("10","8","3","3","6","3","1") = "9"
    & skf18("10","8","3","3","6","4","1") = "9"
    & skf18("10","8","3","3","6","5","1") = "9"
    & skf18("10","8","3","3","6","6","1") = "9"
    & skf18("10","8","3","3","6","7","1") = "9"
    & skf18("10","8","3","3","6","8","1") = "9"
    & skf18("10","8","3","3","6","9","1") = "9"
    & skf18("10","8","3","3","6","10","1") = "9"
    & skf18("10","8","3","3","7","1","1") = "9"
    & skf18("10","8","3","3","7","2","1") = "9"
    & skf18("10","8","3","3","7","3","1") = "9"
    & skf18("10","8","3","3","7","4","1") = "9"
    & skf18("10","8","3","3","7","5","1") = "9"
    & skf18("10","8","3","3","7","6","1") = "9"
    & skf18("10","8","3","3","7","7","1") = "9"
    & skf18("10","8","3","3","7","8","1") = "9"
    & skf18("10","8","3","3","7","9","1") = "9"
    & skf18("10","8","3","3","7","10","1") = "9"
    & skf18("10","8","3","3","8","1","1") = "9"
    & skf18("10","8","3","3","8","2","1") = "9"
    & skf18("10","8","3","3","8","3","1") = "9"
    & skf18("10","8","3","3","8","4","1") = "9"
    & skf18("10","8","3","3","8","5","1") = "9"
    & skf18("10","8","3","3","8","6","1") = "9"
    & skf18("10","8","3","3","8","7","1") = "9"
    & skf18("10","8","3","3","8","8","1") = "9"
    & skf18("10","8","3","3","8","9","1") = "9"
    & skf18("10","8","3","3","8","10","1") = "9"
    & skf18("10","8","3","3","9","1","1") = "9"
    & skf18("10","8","3","3","9","2","1") = "9"
    & skf18("10","8","3","3","9","3","1") = "9"
    & skf18("10","8","3","3","9","4","1") = "9"
    & skf18("10","8","3","3","9","5","1") = "9"
    & skf18("10","8","3","3","9","6","1") = "9"
    & skf18("10","8","3","3","9","7","1") = "9"
    & skf18("10","8","3","3","9","8","1") = "9"
    & skf18("10","8","3","3","9","9","1") = "9"
    & skf18("10","8","3","3","9","10","1") = "9"
    & skf18("10","8","3","3","10","1","1") = "9"
    & skf18("10","8","3","3","10","2","1") = "9"
    & skf18("10","8","3","3","10","3","1") = "9"
    & skf18("10","8","3","3","10","4","1") = "9"
    & skf18("10","8","3","3","10","5","1") = "9"
    & skf18("10","8","3","3","10","6","1") = "9"
    & skf18("10","8","3","3","10","7","1") = "9"
    & skf18("10","8","3","3","10","8","1") = "9"
    & skf18("10","8","3","3","10","9","1") = "9"
    & skf18("10","8","3","3","10","10","1") = "9"
    & skf18("10","8","3","4","1","1","1") = "9"
    & skf18("10","8","3","4","1","2","1") = "9"
    & skf18("10","8","3","4","1","3","1") = "9"
    & skf18("10","8","3","4","1","4","1") = "9"
    & skf18("10","8","3","4","1","5","1") = "9"
    & skf18("10","8","3","4","1","6","1") = "9"
    & skf18("10","8","3","4","1","7","1") = "9"
    & skf18("10","8","3","4","1","8","1") = "9"
    & skf18("10","8","3","4","1","9","1") = "9"
    & skf18("10","8","3","4","1","10","1") = "9"
    & skf18("10","8","3","4","2","1","1") = "9"
    & skf18("10","8","3","4","2","2","1") = "9"
    & skf18("10","8","3","4","2","3","1") = "9"
    & skf18("10","8","3","4","2","4","1") = "9"
    & skf18("10","8","3","4","2","5","1") = "9"
    & skf18("10","8","3","4","2","6","1") = "9"
    & skf18("10","8","3","4","2","7","1") = "9"
    & skf18("10","8","3","4","2","8","1") = "9"
    & skf18("10","8","3","4","2","9","1") = "9"
    & skf18("10","8","3","4","2","10","1") = "9"
    & skf18("10","8","3","4","3","1","1") = "9"
    & skf18("10","8","3","4","3","2","1") = "9"
    & skf18("10","8","3","4","3","3","1") = "9"
    & skf18("10","8","3","4","3","4","1") = "9"
    & skf18("10","8","3","4","3","5","1") = "9"
    & skf18("10","8","3","4","3","6","1") = "9"
    & skf18("10","8","3","4","3","7","1") = "9"
    & skf18("10","8","3","4","3","8","1") = "9"
    & skf18("10","8","3","4","3","9","1") = "9"
    & skf18("10","8","3","4","3","10","1") = "9"
    & skf18("10","8","3","4","4","1","1") = "9"
    & skf18("10","8","3","4","4","2","1") = "9"
    & skf18("10","8","3","4","4","3","1") = "9"
    & skf18("10","8","3","4","4","4","1") = "9"
    & skf18("10","8","3","4","4","5","1") = "9"
    & skf18("10","8","3","4","4","6","1") = "9"
    & skf18("10","8","3","4","4","7","1") = "9"
    & skf18("10","8","3","4","4","8","1") = "9"
    & skf18("10","8","3","4","4","9","1") = "9"
    & skf18("10","8","3","4","4","10","1") = "9"
    & skf18("10","8","3","4","5","1","1") = "9"
    & skf18("10","8","3","4","5","2","1") = "9"
    & skf18("10","8","3","4","5","3","1") = "9"
    & skf18("10","8","3","4","5","4","1") = "9"
    & skf18("10","8","3","4","5","5","1") = "9"
    & skf18("10","8","3","4","5","6","1") = "9"
    & skf18("10","8","3","4","5","7","1") = "9"
    & skf18("10","8","3","4","5","8","1") = "9"
    & skf18("10","8","3","4","5","9","1") = "9"
    & skf18("10","8","3","4","5","10","1") = "9"
    & skf18("10","8","3","4","6","1","1") = "9"
    & skf18("10","8","3","4","6","2","1") = "9"
    & skf18("10","8","3","4","6","3","1") = "9"
    & skf18("10","8","3","4","6","4","1") = "9"
    & skf18("10","8","3","4","6","5","1") = "9"
    & skf18("10","8","3","4","6","6","1") = "9"
    & skf18("10","8","3","4","6","7","1") = "9"
    & skf18("10","8","3","4","6","8","1") = "9"
    & skf18("10","8","3","4","6","9","1") = "9"
    & skf18("10","8","3","4","6","10","1") = "9"
    & skf18("10","8","3","4","7","1","1") = "9"
    & skf18("10","8","3","4","7","2","1") = "9"
    & skf18("10","8","3","4","7","3","1") = "9"
    & skf18("10","8","3","4","7","4","1") = "9"
    & skf18("10","8","3","4","7","5","1") = "9"
    & skf18("10","8","3","4","7","6","1") = "9"
    & skf18("10","8","3","4","7","7","1") = "9"
    & skf18("10","8","3","4","7","8","1") = "9"
    & skf18("10","8","3","4","7","9","1") = "9"
    & skf18("10","8","3","4","7","10","1") = "9"
    & skf18("10","8","3","4","8","1","1") = "9"
    & skf18("10","8","3","4","8","2","1") = "9"
    & skf18("10","8","3","4","8","3","1") = "9"
    & skf18("10","8","3","4","8","4","1") = "9"
    & skf18("10","8","3","4","8","5","1") = "9"
    & skf18("10","8","3","4","8","6","1") = "9"
    & skf18("10","8","3","4","8","7","1") = "9"
    & skf18("10","8","3","4","8","8","1") = "9"
    & skf18("10","8","3","4","8","9","1") = "9"
    & skf18("10","8","3","4","8","10","1") = "9"
    & skf18("10","8","3","4","9","1","1") = "9"
    & skf18("10","8","3","4","9","2","1") = "9"
    & skf18("10","8","3","4","9","3","1") = "9"
    & skf18("10","8","3","4","9","4","1") = "9"
    & skf18("10","8","3","4","9","5","1") = "9"
    & skf18("10","8","3","4","9","6","1") = "9"
    & skf18("10","8","3","4","9","7","1") = "9"
    & skf18("10","8","3","4","9","8","1") = "9"
    & skf18("10","8","3","4","9","9","1") = "9"
    & skf18("10","8","3","4","9","10","1") = "9"
    & skf18("10","8","3","4","10","1","1") = "9"
    & skf18("10","8","3","4","10","2","1") = "9"
    & skf18("10","8","3","4","10","3","1") = "9"
    & skf18("10","8","3","4","10","4","1") = "9"
    & skf18("10","8","3","4","10","5","1") = "9"
    & skf18("10","8","3","4","10","6","1") = "9"
    & skf18("10","8","3","4","10","7","1") = "9"
    & skf18("10","8","3","4","10","8","1") = "9"
    & skf18("10","8","3","4","10","9","1") = "9"
    & skf18("10","8","3","4","10","10","1") = "9"
    & skf18("10","8","3","5","1","1","1") = "9"
    & skf18("10","8","3","5","1","2","1") = "9"
    & skf18("10","8","3","5","1","3","1") = "9"
    & skf18("10","8","3","5","1","4","1") = "9"
    & skf18("10","8","3","5","1","5","1") = "9"
    & skf18("10","8","3","5","1","6","1") = "9"
    & skf18("10","8","3","5","1","7","1") = "9"
    & skf18("10","8","3","5","1","8","1") = "9"
    & skf18("10","8","3","5","1","9","1") = "9"
    & skf18("10","8","3","5","1","10","1") = "9"
    & skf18("10","8","3","5","2","1","1") = "9"
    & skf18("10","8","3","5","2","2","1") = "9"
    & skf18("10","8","3","5","2","3","1") = "9"
    & skf18("10","8","3","5","2","4","1") = "9"
    & skf18("10","8","3","5","2","5","1") = "9"
    & skf18("10","8","3","5","2","6","1") = "9"
    & skf18("10","8","3","5","2","7","1") = "9"
    & skf18("10","8","3","5","2","8","1") = "9"
    & skf18("10","8","3","5","2","9","1") = "9"
    & skf18("10","8","3","5","2","10","1") = "9"
    & skf18("10","8","3","5","3","1","1") = "9"
    & skf18("10","8","3","5","3","2","1") = "9"
    & skf18("10","8","3","5","3","3","1") = "9"
    & skf18("10","8","3","5","3","4","1") = "9"
    & skf18("10","8","3","5","3","5","1") = "9"
    & skf18("10","8","3","5","3","6","1") = "9"
    & skf18("10","8","3","5","3","7","1") = "9"
    & skf18("10","8","3","5","3","8","1") = "9"
    & skf18("10","8","3","5","3","9","1") = "9"
    & skf18("10","8","3","5","3","10","1") = "9"
    & skf18("10","8","3","5","4","1","1") = "9"
    & skf18("10","8","3","5","4","2","1") = "9"
    & skf18("10","8","3","5","4","3","1") = "9"
    & skf18("10","8","3","5","4","4","1") = "9"
    & skf18("10","8","3","5","4","5","1") = "9"
    & skf18("10","8","3","5","4","6","1") = "9"
    & skf18("10","8","3","5","4","7","1") = "9"
    & skf18("10","8","3","5","4","8","1") = "9"
    & skf18("10","8","3","5","4","9","1") = "9"
    & skf18("10","8","3","5","4","10","1") = "9"
    & skf18("10","8","3","5","5","1","1") = "9"
    & skf18("10","8","3","5","5","2","1") = "9"
    & skf18("10","8","3","5","5","3","1") = "9"
    & skf18("10","8","3","5","5","4","1") = "9"
    & skf18("10","8","3","5","5","5","1") = "9"
    & skf18("10","8","3","5","5","6","1") = "9"
    & skf18("10","8","3","5","5","7","1") = "9"
    & skf18("10","8","3","5","5","8","1") = "9"
    & skf18("10","8","3","5","5","9","1") = "9"
    & skf18("10","8","3","5","5","10","1") = "9"
    & skf18("10","8","3","5","6","1","1") = "9"
    & skf18("10","8","3","5","6","2","1") = "9"
    & skf18("10","8","3","5","6","3","1") = "9"
    & skf18("10","8","3","5","6","4","1") = "9"
    & skf18("10","8","3","5","6","5","1") = "9"
    & skf18("10","8","3","5","6","6","1") = "9"
    & skf18("10","8","3","5","6","7","1") = "9"
    & skf18("10","8","3","5","6","8","1") = "9"
    & skf18("10","8","3","5","6","9","1") = "9"
    & skf18("10","8","3","5","6","10","1") = "9"
    & skf18("10","8","3","5","7","1","1") = "9"
    & skf18("10","8","3","5","7","2","1") = "9"
    & skf18("10","8","3","5","7","3","1") = "9"
    & skf18("10","8","3","5","7","4","1") = "9"
    & skf18("10","8","3","5","7","5","1") = "9"
    & skf18("10","8","3","5","7","6","1") = "9"
    & skf18("10","8","3","5","7","7","1") = "9"
    & skf18("10","8","3","5","7","8","1") = "9"
    & skf18("10","8","3","5","7","9","1") = "9"
    & skf18("10","8","3","5","7","10","1") = "9"
    & skf18("10","8","3","5","8","1","1") = "9"
    & skf18("10","8","3","5","8","2","1") = "9"
    & skf18("10","8","3","5","8","3","1") = "9"
    & skf18("10","8","3","5","8","4","1") = "9"
    & skf18("10","8","3","5","8","5","1") = "9"
    & skf18("10","8","3","5","8","6","1") = "9"
    & skf18("10","8","3","5","8","7","1") = "9"
    & skf18("10","8","3","5","8","8","1") = "9"
    & skf18("10","8","3","5","8","9","1") = "9"
    & skf18("10","8","3","5","8","10","1") = "9"
    & skf18("10","8","3","5","9","1","1") = "9"
    & skf18("10","8","3","5","9","2","1") = "9"
    & skf18("10","8","3","5","9","3","1") = "9"
    & skf18("10","8","3","5","9","4","1") = "9"
    & skf18("10","8","3","5","9","5","1") = "9"
    & skf18("10","8","3","5","9","6","1") = "9"
    & skf18("10","8","3","5","9","7","1") = "9"
    & skf18("10","8","3","5","9","8","1") = "9"
    & skf18("10","8","3","5","9","9","1") = "9"
    & skf18("10","8","3","5","9","10","1") = "9"
    & skf18("10","8","3","5","10","1","1") = "9"
    & skf18("10","8","3","5","10","2","1") = "9"
    & skf18("10","8","3","5","10","3","1") = "9"
    & skf18("10","8","3","5","10","4","1") = "9"
    & skf18("10","8","3","5","10","5","1") = "9"
    & skf18("10","8","3","5","10","6","1") = "9"
    & skf18("10","8","3","5","10","7","1") = "9"
    & skf18("10","8","3","5","10","8","1") = "9"
    & skf18("10","8","3","5","10","9","1") = "9"
    & skf18("10","8","3","5","10","10","1") = "9"
    & skf18("10","8","3","6","1","1","1") = "9"
    & skf18("10","8","3","6","1","2","1") = "9"
    & skf18("10","8","3","6","1","3","1") = "9"
    & skf18("10","8","3","6","1","4","1") = "9"
    & skf18("10","8","3","6","1","5","1") = "9"
    & skf18("10","8","3","6","1","6","1") = "9"
    & skf18("10","8","3","6","1","7","1") = "9"
    & skf18("10","8","3","6","1","8","1") = "9"
    & skf18("10","8","3","6","1","9","1") = "9"
    & skf18("10","8","3","6","1","10","1") = "9"
    & skf18("10","8","3","6","2","1","1") = "9"
    & skf18("10","8","3","6","2","2","1") = "9"
    & skf18("10","8","3","6","2","3","1") = "9"
    & skf18("10","8","3","6","2","4","1") = "9"
    & skf18("10","8","3","6","2","5","1") = "9"
    & skf18("10","8","3","6","2","6","1") = "9"
    & skf18("10","8","3","6","2","7","1") = "9"
    & skf18("10","8","3","6","2","8","1") = "9"
    & skf18("10","8","3","6","2","9","1") = "9"
    & skf18("10","8","3","6","2","10","1") = "9"
    & skf18("10","8","3","6","3","1","1") = "9"
    & skf18("10","8","3","6","3","2","1") = "9"
    & skf18("10","8","3","6","3","3","1") = "9"
    & skf18("10","8","3","6","3","4","1") = "9"
    & skf18("10","8","3","6","3","5","1") = "9"
    & skf18("10","8","3","6","3","6","1") = "9"
    & skf18("10","8","3","6","3","7","1") = "9"
    & skf18("10","8","3","6","3","8","1") = "9"
    & skf18("10","8","3","6","3","9","1") = "9"
    & skf18("10","8","3","6","3","10","1") = "9"
    & skf18("10","8","3","6","4","1","1") = "9"
    & skf18("10","8","3","6","4","2","1") = "9"
    & skf18("10","8","3","6","4","3","1") = "9"
    & skf18("10","8","3","6","4","4","1") = "9"
    & skf18("10","8","3","6","4","5","1") = "9"
    & skf18("10","8","3","6","4","6","1") = "9"
    & skf18("10","8","3","6","4","7","1") = "9"
    & skf18("10","8","3","6","4","8","1") = "9"
    & skf18("10","8","3","6","4","9","1") = "9"
    & skf18("10","8","3","6","4","10","1") = "9"
    & skf18("10","8","3","6","5","1","1") = "9"
    & skf18("10","8","3","6","5","2","1") = "9"
    & skf18("10","8","3","6","5","3","1") = "9"
    & skf18("10","8","3","6","5","4","1") = "9"
    & skf18("10","8","3","6","5","5","1") = "9"
    & skf18("10","8","3","6","5","6","1") = "9"
    & skf18("10","8","3","6","5","7","1") = "9"
    & skf18("10","8","3","6","5","8","1") = "9"
    & skf18("10","8","3","6","5","9","1") = "9"
    & skf18("10","8","3","6","5","10","1") = "9"
    & skf18("10","8","3","6","6","1","1") = "9"
    & skf18("10","8","3","6","6","2","1") = "9"
    & skf18("10","8","3","6","6","3","1") = "9"
    & skf18("10","8","3","6","6","4","1") = "9"
    & skf18("10","8","3","6","6","5","1") = "9"
    & skf18("10","8","3","6","6","6","1") = "9"
    & skf18("10","8","3","6","6","7","1") = "9"
    & skf18("10","8","3","6","6","8","1") = "9"
    & skf18("10","8","3","6","6","9","1") = "9"
    & skf18("10","8","3","6","6","10","1") = "9"
    & skf18("10","8","3","6","7","1","1") = "9"
    & skf18("10","8","3","6","7","2","1") = "9"
    & skf18("10","8","3","6","7","3","1") = "9"
    & skf18("10","8","3","6","7","4","1") = "9"
    & skf18("10","8","3","6","7","5","1") = "9"
    & skf18("10","8","3","6","7","6","1") = "9"
    & skf18("10","8","3","6","7","7","1") = "9"
    & skf18("10","8","3","6","7","8","1") = "9"
    & skf18("10","8","3","6","7","9","1") = "9"
    & skf18("10","8","3","6","7","10","1") = "9"
    & skf18("10","8","3","6","8","1","1") = "9"
    & skf18("10","8","3","6","8","2","1") = "9"
    & skf18("10","8","3","6","8","3","1") = "9"
    & skf18("10","8","3","6","8","4","1") = "9"
    & skf18("10","8","3","6","8","5","1") = "9"
    & skf18("10","8","3","6","8","6","1") = "9"
    & skf18("10","8","3","6","8","7","1") = "9"
    & skf18("10","8","3","6","8","8","1") = "9"
    & skf18("10","8","3","6","8","9","1") = "9"
    & skf18("10","8","3","6","8","10","1") = "9"
    & skf18("10","8","3","6","9","1","1") = "9"
    & skf18("10","8","3","6","9","2","1") = "9"
    & skf18("10","8","3","6","9","3","1") = "9"
    & skf18("10","8","3","6","9","4","1") = "9"
    & skf18("10","8","3","6","9","5","1") = "9"
    & skf18("10","8","3","6","9","6","1") = "9"
    & skf18("10","8","3","6","9","7","1") = "9"
    & skf18("10","8","3","6","9","8","1") = "9"
    & skf18("10","8","3","6","9","9","1") = "9"
    & skf18("10","8","3","6","9","10","1") = "9"
    & skf18("10","8","3","6","10","1","1") = "9"
    & skf18("10","8","3","6","10","2","1") = "9"
    & skf18("10","8","3","6","10","3","1") = "9"
    & skf18("10","8","3","6","10","4","1") = "9"
    & skf18("10","8","3","6","10","5","1") = "9"
    & skf18("10","8","3","6","10","6","1") = "9"
    & skf18("10","8","3","6","10","7","1") = "9"
    & skf18("10","8","3","6","10","8","1") = "9"
    & skf18("10","8","3","6","10","9","1") = "9"
    & skf18("10","8","3","6","10","10","1") = "9"
    & skf18("10","8","3","7","1","1","1") = "9"
    & skf18("10","8","3","7","1","2","1") = "9"
    & skf18("10","8","3","7","1","3","1") = "9"
    & skf18("10","8","3","7","1","4","1") = "9"
    & skf18("10","8","3","7","1","5","1") = "9"
    & skf18("10","8","3","7","1","6","1") = "9"
    & skf18("10","8","3","7","1","7","1") = "9"
    & skf18("10","8","3","7","1","8","1") = "9"
    & skf18("10","8","3","7","1","9","1") = "9"
    & skf18("10","8","3","7","1","10","1") = "9"
    & skf18("10","8","3","7","2","1","1") = "9"
    & skf18("10","8","3","7","2","2","1") = "9"
    & skf18("10","8","3","7","2","3","1") = "9"
    & skf18("10","8","3","7","2","4","1") = "9"
    & skf18("10","8","3","7","2","5","1") = "9"
    & skf18("10","8","3","7","2","6","1") = "9"
    & skf18("10","8","3","7","2","7","1") = "9"
    & skf18("10","8","3","7","2","8","1") = "9"
    & skf18("10","8","3","7","2","9","1") = "9"
    & skf18("10","8","3","7","2","10","1") = "9"
    & skf18("10","8","3","7","3","1","1") = "9"
    & skf18("10","8","3","7","3","2","1") = "9"
    & skf18("10","8","3","7","3","3","1") = "9"
    & skf18("10","8","3","7","3","4","1") = "9"
    & skf18("10","8","3","7","3","5","1") = "9"
    & skf18("10","8","3","7","3","6","1") = "9"
    & skf18("10","8","3","7","3","7","1") = "9"
    & skf18("10","8","3","7","3","8","1") = "9"
    & skf18("10","8","3","7","3","9","1") = "9"
    & skf18("10","8","3","7","3","10","1") = "9"
    & skf18("10","8","3","7","4","1","1") = "9"
    & skf18("10","8","3","7","4","2","1") = "9"
    & skf18("10","8","3","7","4","3","1") = "9"
    & skf18("10","8","3","7","4","4","1") = "9"
    & skf18("10","8","3","7","4","5","1") = "9"
    & skf18("10","8","3","7","4","6","1") = "9"
    & skf18("10","8","3","7","4","7","1") = "9"
    & skf18("10","8","3","7","4","8","1") = "9"
    & skf18("10","8","3","7","4","9","1") = "9"
    & skf18("10","8","3","7","4","10","1") = "9"
    & skf18("10","8","3","7","5","1","1") = "9"
    & skf18("10","8","3","7","5","2","1") = "9"
    & skf18("10","8","3","7","5","3","1") = "9"
    & skf18("10","8","3","7","5","4","1") = "9"
    & skf18("10","8","3","7","5","5","1") = "9"
    & skf18("10","8","3","7","5","6","1") = "9"
    & skf18("10","8","3","7","5","7","1") = "9"
    & skf18("10","8","3","7","5","8","1") = "9"
    & skf18("10","8","3","7","5","9","1") = "9"
    & skf18("10","8","3","7","5","10","1") = "9"
    & skf18("10","8","3","7","6","1","1") = "9"
    & skf18("10","8","3","7","6","2","1") = "9"
    & skf18("10","8","3","7","6","3","1") = "9"
    & skf18("10","8","3","7","6","4","1") = "9"
    & skf18("10","8","3","7","6","5","1") = "9"
    & skf18("10","8","3","7","6","6","1") = "9"
    & skf18("10","8","3","7","6","7","1") = "9"
    & skf18("10","8","3","7","6","8","1") = "9"
    & skf18("10","8","3","7","6","9","1") = "9"
    & skf18("10","8","3","7","6","10","1") = "9"
    & skf18("10","8","3","7","7","1","1") = "9"
    & skf18("10","8","3","7","7","2","1") = "9"
    & skf18("10","8","3","7","7","3","1") = "9"
    & skf18("10","8","3","7","7","4","1") = "9"
    & skf18("10","8","3","7","7","5","1") = "9"
    & skf18("10","8","3","7","7","6","1") = "9"
    & skf18("10","8","3","7","7","7","1") = "9"
    & skf18("10","8","3","7","7","8","1") = "9"
    & skf18("10","8","3","7","7","9","1") = "9"
    & skf18("10","8","3","7","7","10","1") = "9"
    & skf18("10","8","3","7","8","1","1") = "9"
    & skf18("10","8","3","7","8","2","1") = "9"
    & skf18("10","8","3","7","8","3","1") = "9"
    & skf18("10","8","3","7","8","4","1") = "9"
    & skf18("10","8","3","7","8","5","1") = "9"
    & skf18("10","8","3","7","8","6","1") = "9"
    & skf18("10","8","3","7","8","7","1") = "9"
    & skf18("10","8","3","7","8","8","1") = "9"
    & skf18("10","8","3","7","8","9","1") = "9"
    & skf18("10","8","3","7","8","10","1") = "9"
    & skf18("10","8","3","7","9","1","1") = "9"
    & skf18("10","8","3","7","9","2","1") = "9"
    & skf18("10","8","3","7","9","3","1") = "9"
    & skf18("10","8","3","7","9","4","1") = "9"
    & skf18("10","8","3","7","9","5","1") = "9"
    & skf18("10","8","3","7","9","6","1") = "9"
    & skf18("10","8","3","7","9","7","1") = "9"
    & skf18("10","8","3","7","9","8","1") = "9"
    & skf18("10","8","3","7","9","9","1") = "9"
    & skf18("10","8","3","7","9","10","1") = "9"
    & skf18("10","8","3","7","10","1","1") = "9"
    & skf18("10","8","3","7","10","2","1") = "9"
    & skf18("10","8","3","7","10","3","1") = "9"
    & skf18("10","8","3","7","10","4","1") = "9"
    & skf18("10","8","3","7","10","5","1") = "9"
    & skf18("10","8","3","7","10","6","1") = "9"
    & skf18("10","8","3","7","10","7","1") = "9"
    & skf18("10","8","3","7","10","8","1") = "9"
    & skf18("10","8","3","7","10","9","1") = "9"
    & skf18("10","8","3","7","10","10","1") = "9"
    & skf18("10","8","3","8","1","1","1") = "9"
    & skf18("10","8","3","8","1","2","1") = "9"
    & skf18("10","8","3","8","1","3","1") = "9"
    & skf18("10","8","3","8","1","4","1") = "9"
    & skf18("10","8","3","8","1","5","1") = "9"
    & skf18("10","8","3","8","1","6","1") = "9"
    & skf18("10","8","3","8","1","7","1") = "9"
    & skf18("10","8","3","8","1","8","1") = "9"
    & skf18("10","8","3","8","1","9","1") = "9"
    & skf18("10","8","3","8","1","10","1") = "9"
    & skf18("10","8","3","8","2","1","1") = "9"
    & skf18("10","8","3","8","2","2","1") = "9"
    & skf18("10","8","3","8","2","3","1") = "9"
    & skf18("10","8","3","8","2","4","1") = "9"
    & skf18("10","8","3","8","2","5","1") = "9"
    & skf18("10","8","3","8","2","6","1") = "9"
    & skf18("10","8","3","8","2","7","1") = "9"
    & skf18("10","8","3","8","2","8","1") = "9"
    & skf18("10","8","3","8","2","9","1") = "9"
    & skf18("10","8","3","8","2","10","1") = "9"
    & skf18("10","8","3","8","3","1","1") = "9"
    & skf18("10","8","3","8","3","2","1") = "9"
    & skf18("10","8","3","8","3","3","1") = "9"
    & skf18("10","8","3","8","3","4","1") = "9"
    & skf18("10","8","3","8","3","5","1") = "9"
    & skf18("10","8","3","8","3","6","1") = "9"
    & skf18("10","8","3","8","3","7","1") = "9"
    & skf18("10","8","3","8","3","8","1") = "9"
    & skf18("10","8","3","8","3","9","1") = "9"
    & skf18("10","8","3","8","3","10","1") = "9"
    & skf18("10","8","3","8","4","1","1") = "9"
    & skf18("10","8","3","8","4","2","1") = "9"
    & skf18("10","8","3","8","4","3","1") = "9"
    & skf18("10","8","3","8","4","4","1") = "9"
    & skf18("10","8","3","8","4","5","1") = "9"
    & skf18("10","8","3","8","4","6","1") = "9"
    & skf18("10","8","3","8","4","7","1") = "9"
    & skf18("10","8","3","8","4","8","1") = "9"
    & skf18("10","8","3","8","4","9","1") = "9"
    & skf18("10","8","3","8","4","10","1") = "9"
    & skf18("10","8","3","8","5","1","1") = "9"
    & skf18("10","8","3","8","5","2","1") = "9"
    & skf18("10","8","3","8","5","3","1") = "9"
    & skf18("10","8","3","8","5","4","1") = "9"
    & skf18("10","8","3","8","5","5","1") = "9"
    & skf18("10","8","3","8","5","6","1") = "9"
    & skf18("10","8","3","8","5","7","1") = "9"
    & skf18("10","8","3","8","5","8","1") = "9"
    & skf18("10","8","3","8","5","9","1") = "9"
    & skf18("10","8","3","8","5","10","1") = "9"
    & skf18("10","8","3","8","6","1","1") = "9"
    & skf18("10","8","3","8","6","2","1") = "9"
    & skf18("10","8","3","8","6","3","1") = "9"
    & skf18("10","8","3","8","6","4","1") = "9"
    & skf18("10","8","3","8","6","5","1") = "9"
    & skf18("10","8","3","8","6","6","1") = "9"
    & skf18("10","8","3","8","6","7","1") = "9"
    & skf18("10","8","3","8","6","8","1") = "9"
    & skf18("10","8","3","8","6","9","1") = "9"
    & skf18("10","8","3","8","6","10","1") = "9"
    & skf18("10","8","3","8","7","1","1") = "9"
    & skf18("10","8","3","8","7","2","1") = "9"
    & skf18("10","8","3","8","7","3","1") = "9"
    & skf18("10","8","3","8","7","4","1") = "9"
    & skf18("10","8","3","8","7","5","1") = "9"
    & skf18("10","8","3","8","7","6","1") = "9"
    & skf18("10","8","3","8","7","7","1") = "9"
    & skf18("10","8","3","8","7","8","1") = "9"
    & skf18("10","8","3","8","7","9","1") = "9"
    & skf18("10","8","3","8","7","10","1") = "9"
    & skf18("10","8","3","8","8","1","1") = "9"
    & skf18("10","8","3","8","8","2","1") = "9"
    & skf18("10","8","3","8","8","3","1") = "9"
    & skf18("10","8","3","8","8","4","1") = "9"
    & skf18("10","8","3","8","8","5","1") = "9"
    & skf18("10","8","3","8","8","6","1") = "9"
    & skf18("10","8","3","8","8","7","1") = "9"
    & skf18("10","8","3","8","8","8","1") = "9"
    & skf18("10","8","3","8","8","9","1") = "9"
    & skf18("10","8","3","8","8","10","1") = "9"
    & skf18("10","8","3","8","9","1","1") = "9"
    & skf18("10","8","3","8","9","2","1") = "9"
    & skf18("10","8","3","8","9","3","1") = "9"
    & skf18("10","8","3","8","9","4","1") = "9"
    & skf18("10","8","3","8","9","5","1") = "9"
    & skf18("10","8","3","8","9","6","1") = "9"
    & skf18("10","8","3","8","9","7","1") = "9"
    & skf18("10","8","3","8","9","8","1") = "9"
    & skf18("10","8","3","8","9","9","1") = "9"
    & skf18("10","8","3","8","9","10","1") = "9"
    & skf18("10","8","3","8","10","1","1") = "9"
    & skf18("10","8","3","8","10","2","1") = "9"
    & skf18("10","8","3","8","10","3","1") = "9"
    & skf18("10","8","3","8","10","4","1") = "9"
    & skf18("10","8","3","8","10","5","1") = "9"
    & skf18("10","8","3","8","10","6","1") = "9"
    & skf18("10","8","3","8","10","7","1") = "9"
    & skf18("10","8","3","8","10","8","1") = "9"
    & skf18("10","8","3","8","10","9","1") = "9"
    & skf18("10","8","3","8","10","10","1") = "9"
    & skf18("10","8","3","9","1","1","1") = "9"
    & skf18("10","8","3","9","1","2","1") = "9"
    & skf18("10","8","3","9","1","3","1") = "9"
    & skf18("10","8","3","9","1","4","1") = "9"
    & skf18("10","8","3","9","1","5","1") = "9"
    & skf18("10","8","3","9","1","6","1") = "9"
    & skf18("10","8","3","9","1","7","1") = "9"
    & skf18("10","8","3","9","1","8","1") = "9"
    & skf18("10","8","3","9","1","9","1") = "9"
    & skf18("10","8","3","9","1","10","1") = "9"
    & skf18("10","8","3","9","2","1","1") = "9"
    & skf18("10","8","3","9","2","2","1") = "9"
    & skf18("10","8","3","9","2","3","1") = "9"
    & skf18("10","8","3","9","2","4","1") = "9"
    & skf18("10","8","3","9","2","5","1") = "9"
    & skf18("10","8","3","9","2","6","1") = "9"
    & skf18("10","8","3","9","2","7","1") = "9"
    & skf18("10","8","3","9","2","8","1") = "9"
    & skf18("10","8","3","9","2","9","1") = "9"
    & skf18("10","8","3","9","2","10","1") = "9"
    & skf18("10","8","3","9","3","1","1") = "9"
    & skf18("10","8","3","9","3","2","1") = "9"
    & skf18("10","8","3","9","3","3","1") = "9"
    & skf18("10","8","3","9","3","4","1") = "9"
    & skf18("10","8","3","9","3","5","1") = "9"
    & skf18("10","8","3","9","3","6","1") = "9"
    & skf18("10","8","3","9","3","7","1") = "9"
    & skf18("10","8","3","9","3","8","1") = "9"
    & skf18("10","8","3","9","3","9","1") = "9"
    & skf18("10","8","3","9","3","10","1") = "9"
    & skf18("10","8","3","9","4","1","1") = "9"
    & skf18("10","8","3","9","4","2","1") = "9"
    & skf18("10","8","3","9","4","3","1") = "9"
    & skf18("10","8","3","9","4","4","1") = "9"
    & skf18("10","8","3","9","4","5","1") = "9"
    & skf18("10","8","3","9","4","6","1") = "9"
    & skf18("10","8","3","9","4","7","1") = "9"
    & skf18("10","8","3","9","4","8","1") = "9"
    & skf18("10","8","3","9","4","9","1") = "9"
    & skf18("10","8","3","9","4","10","1") = "9"
    & skf18("10","8","3","9","5","1","1") = "9"
    & skf18("10","8","3","9","5","2","1") = "9"
    & skf18("10","8","3","9","5","3","1") = "9"
    & skf18("10","8","3","9","5","4","1") = "9"
    & skf18("10","8","3","9","5","5","1") = "9"
    & skf18("10","8","3","9","5","6","1") = "9"
    & skf18("10","8","3","9","5","7","1") = "9"
    & skf18("10","8","3","9","5","8","1") = "9"
    & skf18("10","8","3","9","5","9","1") = "9"
    & skf18("10","8","3","9","5","10","1") = "9"
    & skf18("10","8","3","9","6","1","1") = "9"
    & skf18("10","8","3","9","6","2","1") = "9"
    & skf18("10","8","3","9","6","3","1") = "9"
    & skf18("10","8","3","9","6","4","1") = "9"
    & skf18("10","8","3","9","6","5","1") = "9"
    & skf18("10","8","3","9","6","6","1") = "9"
    & skf18("10","8","3","9","6","7","1") = "9"
    & skf18("10","8","3","9","6","8","1") = "9"
    & skf18("10","8","3","9","6","9","1") = "9"
    & skf18("10","8","3","9","6","10","1") = "9"
    & skf18("10","8","3","9","7","1","1") = "9"
    & skf18("10","8","3","9","7","2","1") = "9"
    & skf18("10","8","3","9","7","3","1") = "9"
    & skf18("10","8","3","9","7","4","1") = "9"
    & skf18("10","8","3","9","7","5","1") = "9"
    & skf18("10","8","3","9","7","6","1") = "9"
    & skf18("10","8","3","9","7","7","1") = "9"
    & skf18("10","8","3","9","7","8","1") = "9"
    & skf18("10","8","3","9","7","9","1") = "9"
    & skf18("10","8","3","9","7","10","1") = "9"
    & skf18("10","8","3","9","8","1","1") = "9"
    & skf18("10","8","3","9","8","2","1") = "9"
    & skf18("10","8","3","9","8","3","1") = "9"
    & skf18("10","8","3","9","8","4","1") = "9"
    & skf18("10","8","3","9","8","5","1") = "9"
    & skf18("10","8","3","9","8","6","1") = "9"
    & skf18("10","8","3","9","8","7","1") = "9"
    & skf18("10","8","3","9","8","8","1") = "9"
    & skf18("10","8","3","9","8","9","1") = "9"
    & skf18("10","8","3","9","8","10","1") = "9"
    & skf18("10","8","3","9","9","1","1") = "9"
    & skf18("10","8","3","9","9","2","1") = "9"
    & skf18("10","8","3","9","9","3","1") = "9"
    & skf18("10","8","3","9","9","4","1") = "9"
    & skf18("10","8","3","9","9","5","1") = "9"
    & skf18("10","8","3","9","9","6","1") = "9"
    & skf18("10","8","3","9","9","7","1") = "9"
    & skf18("10","8","3","9","9","8","1") = "9"
    & skf18("10","8","3","9","9","9","1") = "9"
    & skf18("10","8","3","9","9","10","1") = "9"
    & skf18("10","8","3","9","10","1","1") = "9"
    & skf18("10","8","3","9","10","2","1") = "9"
    & skf18("10","8","3","9","10","3","1") = "9"
    & skf18("10","8","3","9","10","4","1") = "9"
    & skf18("10","8","3","9","10","5","1") = "9"
    & skf18("10","8","3","9","10","6","1") = "9"
    & skf18("10","8","3","9","10","7","1") = "9"
    & skf18("10","8","3","9","10","8","1") = "9"
    & skf18("10","8","3","9","10","9","1") = "9"
    & skf18("10","8","3","9","10","10","1") = "9"
    & skf18("10","8","3","10","1","1","1") = "9"
    & skf18("10","8","3","10","1","2","1") = "9"
    & skf18("10","8","3","10","1","3","1") = "9"
    & skf18("10","8","3","10","1","4","1") = "9"
    & skf18("10","8","3","10","1","5","1") = "9"
    & skf18("10","8","3","10","1","6","1") = "9"
    & skf18("10","8","3","10","1","7","1") = "9"
    & skf18("10","8","3","10","1","8","1") = "9"
    & skf18("10","8","3","10","1","9","1") = "9"
    & skf18("10","8","3","10","1","10","1") = "9"
    & skf18("10","8","3","10","2","1","1") = "9"
    & skf18("10","8","3","10","2","2","1") = "9"
    & skf18("10","8","3","10","2","3","1") = "9"
    & skf18("10","8","3","10","2","4","1") = "9"
    & skf18("10","8","3","10","2","5","1") = "9"
    & skf18("10","8","3","10","2","6","1") = "9"
    & skf18("10","8","3","10","2","7","1") = "9"
    & skf18("10","8","3","10","2","8","1") = "9"
    & skf18("10","8","3","10","2","9","1") = "9"
    & skf18("10","8","3","10","2","10","1") = "9"
    & skf18("10","8","3","10","3","1","1") = "9"
    & skf18("10","8","3","10","3","2","1") = "9"
    & skf18("10","8","3","10","3","3","1") = "9"
    & skf18("10","8","3","10","3","4","1") = "9"
    & skf18("10","8","3","10","3","5","1") = "9"
    & skf18("10","8","3","10","3","6","1") = "9"
    & skf18("10","8","3","10","3","7","1") = "9"
    & skf18("10","8","3","10","3","8","1") = "9"
    & skf18("10","8","3","10","3","9","1") = "9"
    & skf18("10","8","3","10","3","10","1") = "9"
    & skf18("10","8","3","10","4","1","1") = "9"
    & skf18("10","8","3","10","4","2","1") = "9"
    & skf18("10","8","3","10","4","3","1") = "9"
    & skf18("10","8","3","10","4","4","1") = "9"
    & skf18("10","8","3","10","4","5","1") = "9"
    & skf18("10","8","3","10","4","6","1") = "9"
    & skf18("10","8","3","10","4","7","1") = "9"
    & skf18("10","8","3","10","4","8","1") = "9"
    & skf18("10","8","3","10","4","9","1") = "9"
    & skf18("10","8","3","10","4","10","1") = "9"
    & skf18("10","8","3","10","5","1","1") = "9"
    & skf18("10","8","3","10","5","2","1") = "9"
    & skf18("10","8","3","10","5","3","1") = "9"
    & skf18("10","8","3","10","5","4","1") = "9"
    & skf18("10","8","3","10","5","5","1") = "9"
    & skf18("10","8","3","10","5","6","1") = "9"
    & skf18("10","8","3","10","5","7","1") = "9"
    & skf18("10","8","3","10","5","8","1") = "9"
    & skf18("10","8","3","10","5","9","1") = "9"
    & skf18("10","8","3","10","5","10","1") = "9"
    & skf18("10","8","3","10","6","1","1") = "9"
    & skf18("10","8","3","10","6","2","1") = "9"
    & skf18("10","8","3","10","6","3","1") = "9"
    & skf18("10","8","3","10","6","4","1") = "9"
    & skf18("10","8","3","10","6","5","1") = "9"
    & skf18("10","8","3","10","6","6","1") = "9"
    & skf18("10","8","3","10","6","7","1") = "9"
    & skf18("10","8","3","10","6","8","1") = "9"
    & skf18("10","8","3","10","6","9","1") = "9"
    & skf18("10","8","3","10","6","10","1") = "9"
    & skf18("10","8","3","10","7","1","1") = "9"
    & skf18("10","8","3","10","7","2","1") = "9"
    & skf18("10","8","3","10","7","3","1") = "9"
    & skf18("10","8","3","10","7","4","1") = "9"
    & skf18("10","8","3","10","7","5","1") = "9"
    & skf18("10","8","3","10","7","6","1") = "9"
    & skf18("10","8","3","10","7","7","1") = "9"
    & skf18("10","8","3","10","7","8","1") = "9"
    & skf18("10","8","3","10","7","9","1") = "9"
    & skf18("10","8","3","10","7","10","1") = "9"
    & skf18("10","8","3","10","8","1","1") = "9"
    & skf18("10","8","3","10","8","2","1") = "9"
    & skf18("10","8","3","10","8","3","1") = "9"
    & skf18("10","8","3","10","8","4","1") = "9"
    & skf18("10","8","3","10","8","5","1") = "9"
    & skf18("10","8","3","10","8","6","1") = "9"
    & skf18("10","8","3","10","8","7","1") = "9"
    & skf18("10","8","3","10","8","8","1") = "9"
    & skf18("10","8","3","10","8","9","1") = "9"
    & skf18("10","8","3","10","8","10","1") = "9"
    & skf18("10","8","3","10","9","1","1") = "9"
    & skf18("10","8","3","10","9","2","1") = "9"
    & skf18("10","8","3","10","9","3","1") = "9"
    & skf18("10","8","3","10","9","4","1") = "9"
    & skf18("10","8","3","10","9","5","1") = "9"
    & skf18("10","8","3","10","9","6","1") = "9"
    & skf18("10","8","3","10","9","7","1") = "9"
    & skf18("10","8","3","10","9","8","1") = "9"
    & skf18("10","8","3","10","9","9","1") = "9"
    & skf18("10","8","3","10","9","10","1") = "9"
    & skf18("10","8","3","10","10","1","1") = "9"
    & skf18("10","8","3","10","10","2","1") = "9"
    & skf18("10","8","3","10","10","3","1") = "9"
    & skf18("10","8","3","10","10","4","1") = "9"
    & skf18("10","8","3","10","10","5","1") = "9"
    & skf18("10","8","3","10","10","6","1") = "9"
    & skf18("10","8","3","10","10","7","1") = "9"
    & skf18("10","8","3","10","10","8","1") = "9"
    & skf18("10","8","3","10","10","9","1") = "9"
    & skf18("10","8","3","10","10","10","1") = "9"
    & skf18("10","8","4","1","1","1","1") = "9"
    & skf18("10","8","4","1","1","2","1") = "9"
    & skf18("10","8","4","1","1","3","1") = "9"
    & skf18("10","8","4","1","1","4","1") = "9"
    & skf18("10","8","4","1","1","5","1") = "9"
    & skf18("10","8","4","1","1","6","1") = "9"
    & skf18("10","8","4","1","1","7","1") = "9"
    & skf18("10","8","4","1","1","8","1") = "9"
    & skf18("10","8","4","1","1","9","1") = "9"
    & skf18("10","8","4","1","1","10","1") = "9"
    & skf18("10","8","4","1","2","1","1") = "9"
    & skf18("10","8","4","1","2","2","1") = "9"
    & skf18("10","8","4","1","2","3","1") = "9"
    & skf18("10","8","4","1","2","4","1") = "9"
    & skf18("10","8","4","1","2","5","1") = "9"
    & skf18("10","8","4","1","2","6","1") = "9"
    & skf18("10","8","4","1","2","7","1") = "9"
    & skf18("10","8","4","1","2","8","1") = "9"
    & skf18("10","8","4","1","2","9","1") = "9"
    & skf18("10","8","4","1","2","10","1") = "9"
    & skf18("10","8","4","1","3","1","1") = "9"
    & skf18("10","8","4","1","3","2","1") = "9"
    & skf18("10","8","4","1","3","3","1") = "9"
    & skf18("10","8","4","1","3","4","1") = "9"
    & skf18("10","8","4","1","3","5","1") = "9"
    & skf18("10","8","4","1","3","6","1") = "9"
    & skf18("10","8","4","1","3","7","1") = "9"
    & skf18("10","8","4","1","3","8","1") = "9"
    & skf18("10","8","4","1","3","9","1") = "9"
    & skf18("10","8","4","1","3","10","1") = "9"
    & skf18("10","8","4","1","4","1","1") = "9"
    & skf18("10","8","4","1","4","2","1") = "9"
    & skf18("10","8","4","1","4","3","1") = "9"
    & skf18("10","8","4","1","4","4","1") = "9"
    & skf18("10","8","4","1","4","5","1") = "9"
    & skf18("10","8","4","1","4","6","1") = "9"
    & skf18("10","8","4","1","4","7","1") = "9"
    & skf18("10","8","4","1","4","8","1") = "9"
    & skf18("10","8","4","1","4","9","1") = "9"
    & skf18("10","8","4","1","4","10","1") = "9"
    & skf18("10","8","4","1","5","1","1") = "9"
    & skf18("10","8","4","1","5","2","1") = "9"
    & skf18("10","8","4","1","5","3","1") = "9"
    & skf18("10","8","4","1","5","4","1") = "9"
    & skf18("10","8","4","1","5","5","1") = "9"
    & skf18("10","8","4","1","5","6","1") = "9"
    & skf18("10","8","4","1","5","7","1") = "9"
    & skf18("10","8","4","1","5","8","1") = "9"
    & skf18("10","8","4","1","5","9","1") = "9"
    & skf18("10","8","4","1","5","10","1") = "9"
    & skf18("10","8","4","1","6","1","1") = "9"
    & skf18("10","8","4","1","6","2","1") = "9"
    & skf18("10","8","4","1","6","3","1") = "9"
    & skf18("10","8","4","1","6","4","1") = "9"
    & skf18("10","8","4","1","6","5","1") = "9"
    & skf18("10","8","4","1","6","6","1") = "9"
    & skf18("10","8","4","1","6","7","1") = "9"
    & skf18("10","8","4","1","6","8","1") = "9"
    & skf18("10","8","4","1","6","9","1") = "9"
    & skf18("10","8","4","1","6","10","1") = "9"
    & skf18("10","8","4","1","7","1","1") = "9"
    & skf18("10","8","4","1","7","2","1") = "9"
    & skf18("10","8","4","1","7","3","1") = "9"
    & skf18("10","8","4","1","7","4","1") = "9"
    & skf18("10","8","4","1","7","5","1") = "9"
    & skf18("10","8","4","1","7","6","1") = "9"
    & skf18("10","8","4","1","7","7","1") = "9"
    & skf18("10","8","4","1","7","8","1") = "9"
    & skf18("10","8","4","1","7","9","1") = "9"
    & skf18("10","8","4","1","7","10","1") = "9"
    & skf18("10","8","4","1","8","1","1") = "9"
    & skf18("10","8","4","1","8","2","1") = "9"
    & skf18("10","8","4","1","8","3","1") = "9"
    & skf18("10","8","4","1","8","4","1") = "9"
    & skf18("10","8","4","1","8","5","1") = "9"
    & skf18("10","8","4","1","8","6","1") = "9"
    & skf18("10","8","4","1","8","7","1") = "9"
    & skf18("10","8","4","1","8","8","1") = "9"
    & skf18("10","8","4","1","8","9","1") = "9"
    & skf18("10","8","4","1","8","10","1") = "9"
    & skf18("10","8","4","1","9","1","1") = "9"
    & skf18("10","8","4","1","9","2","1") = "9"
    & skf18("10","8","4","1","9","3","1") = "9"
    & skf18("10","8","4","1","9","4","1") = "9"
    & skf18("10","8","4","1","9","5","1") = "9"
    & skf18("10","8","4","1","9","6","1") = "9"
    & skf18("10","8","4","1","9","7","1") = "9"
    & skf18("10","8","4","1","9","8","1") = "9"
    & skf18("10","8","4","1","9","9","1") = "9"
    & skf18("10","8","4","1","9","10","1") = "9"
    & skf18("10","8","4","1","10","1","1") = "9"
    & skf18("10","8","4","1","10","2","1") = "9"
    & skf18("10","8","4","1","10","3","1") = "9"
    & skf18("10","8","4","1","10","4","1") = "9"
    & skf18("10","8","4","1","10","5","1") = "9"
    & skf18("10","8","4","1","10","6","1") = "9"
    & skf18("10","8","4","1","10","7","1") = "9"
    & skf18("10","8","4","1","10","8","1") = "9"
    & skf18("10","8","4","1","10","9","1") = "9"
    & skf18("10","8","4","1","10","10","1") = "9"
    & skf18("10","8","4","2","1","1","1") = "9"
    & skf18("10","8","4","2","1","2","1") = "9"
    & skf18("10","8","4","2","1","3","1") = "9"
    & skf18("10","8","4","2","1","4","1") = "9"
    & skf18("10","8","4","2","1","5","1") = "9"
    & skf18("10","8","4","2","1","6","1") = "9"
    & skf18("10","8","4","2","1","7","1") = "9"
    & skf18("10","8","4","2","1","8","1") = "9"
    & skf18("10","8","4","2","1","9","1") = "9"
    & skf18("10","8","4","2","1","10","1") = "9"
    & skf18("10","8","4","2","2","1","1") = "9"
    & skf18("10","8","4","2","2","2","1") = "9"
    & skf18("10","8","4","2","2","3","1") = "9"
    & skf18("10","8","4","2","2","4","1") = "9"
    & skf18("10","8","4","2","2","5","1") = "9"
    & skf18("10","8","4","2","2","6","1") = "9"
    & skf18("10","8","4","2","2","7","1") = "9"
    & skf18("10","8","4","2","2","8","1") = "9"
    & skf18("10","8","4","2","2","9","1") = "9"
    & skf18("10","8","4","2","2","10","1") = "9"
    & skf18("10","8","4","2","3","1","1") = "9"
    & skf18("10","8","4","2","3","2","1") = "9"
    & skf18("10","8","4","2","3","3","1") = "9"
    & skf18("10","8","4","2","3","4","1") = "9"
    & skf18("10","8","4","2","3","5","1") = "9"
    & skf18("10","8","4","2","3","6","1") = "9"
    & skf18("10","8","4","2","3","7","1") = "9"
    & skf18("10","8","4","2","3","8","1") = "9"
    & skf18("10","8","4","2","3","9","1") = "9"
    & skf18("10","8","4","2","3","10","1") = "9"
    & skf18("10","8","4","2","4","1","1") = "9"
    & skf18("10","8","4","2","4","2","1") = "9"
    & skf18("10","8","4","2","4","3","1") = "9"
    & skf18("10","8","4","2","4","4","1") = "9"
    & skf18("10","8","4","2","4","5","1") = "9"
    & skf18("10","8","4","2","4","6","1") = "9"
    & skf18("10","8","4","2","4","7","1") = "9"
    & skf18("10","8","4","2","4","8","1") = "9"
    & skf18("10","8","4","2","4","9","1") = "9"
    & skf18("10","8","4","2","4","10","1") = "9"
    & skf18("10","8","4","2","5","1","1") = "9"
    & skf18("10","8","4","2","5","2","1") = "9"
    & skf18("10","8","4","2","5","3","1") = "9"
    & skf18("10","8","4","2","5","4","1") = "9"
    & skf18("10","8","4","2","5","5","1") = "9"
    & skf18("10","8","4","2","5","6","1") = "9"
    & skf18("10","8","4","2","5","7","1") = "9"
    & skf18("10","8","4","2","5","8","1") = "9"
    & skf18("10","8","4","2","5","9","1") = "9"
    & skf18("10","8","4","2","5","10","1") = "9"
    & skf18("10","8","4","2","6","1","1") = "9"
    & skf18("10","8","4","2","6","2","1") = "9"
    & skf18("10","8","4","2","6","3","1") = "9"
    & skf18("10","8","4","2","6","4","1") = "9"
    & skf18("10","8","4","2","6","5","1") = "9"
    & skf18("10","8","4","2","6","6","1") = "9"
    & skf18("10","8","4","2","6","7","1") = "9"
    & skf18("10","8","4","2","6","8","1") = "9"
    & skf18("10","8","4","2","6","9","1") = "9"
    & skf18("10","8","4","2","6","10","1") = "9"
    & skf18("10","8","4","2","7","1","1") = "9"
    & skf18("10","8","4","2","7","2","1") = "9"
    & skf18("10","8","4","2","7","3","1") = "9"
    & skf18("10","8","4","2","7","4","1") = "9"
    & skf18("10","8","4","2","7","5","1") = "9"
    & skf18("10","8","4","2","7","6","1") = "9"
    & skf18("10","8","4","2","7","7","1") = "9"
    & skf18("10","8","4","2","7","8","1") = "9"
    & skf18("10","8","4","2","7","9","1") = "9"
    & skf18("10","8","4","2","7","10","1") = "9"
    & skf18("10","8","4","2","8","1","1") = "9"
    & skf18("10","8","4","2","8","2","1") = "9"
    & skf18("10","8","4","2","8","3","1") = "9"
    & skf18("10","8","4","2","8","4","1") = "9"
    & skf18("10","8","4","2","8","5","1") = "9"
    & skf18("10","8","4","2","8","6","1") = "9"
    & skf18("10","8","4","2","8","7","1") = "9"
    & skf18("10","8","4","2","8","8","1") = "9"
    & skf18("10","8","4","2","8","9","1") = "9"
    & skf18("10","8","4","2","8","10","1") = "9"
    & skf18("10","8","4","2","9","1","1") = "9"
    & skf18("10","8","4","2","9","2","1") = "9"
    & skf18("10","8","4","2","9","3","1") = "9"
    & skf18("10","8","4","2","9","4","1") = "9"
    & skf18("10","8","4","2","9","5","1") = "9"
    & skf18("10","8","4","2","9","6","1") = "9"
    & skf18("10","8","4","2","9","7","1") = "9"
    & skf18("10","8","4","2","9","8","1") = "9"
    & skf18("10","8","4","2","9","9","1") = "9"
    & skf18("10","8","4","2","9","10","1") = "9"
    & skf18("10","8","4","2","10","1","1") = "9"
    & skf18("10","8","4","2","10","2","1") = "9"
    & skf18("10","8","4","2","10","3","1") = "9"
    & skf18("10","8","4","2","10","4","1") = "9"
    & skf18("10","8","4","2","10","5","1") = "9"
    & skf18("10","8","4","2","10","6","1") = "9"
    & skf18("10","8","4","2","10","7","1") = "9"
    & skf18("10","8","4","2","10","8","1") = "9"
    & skf18("10","8","4","2","10","9","1") = "9"
    & skf18("10","8","4","2","10","10","1") = "9"
    & skf18("10","8","4","3","1","1","1") = "9"
    & skf18("10","8","4","3","1","2","1") = "9"
    & skf18("10","8","4","3","1","3","1") = "9"
    & skf18("10","8","4","3","1","4","1") = "9"
    & skf18("10","8","4","3","1","5","1") = "9"
    & skf18("10","8","4","3","1","6","1") = "9"
    & skf18("10","8","4","3","1","7","1") = "9"
    & skf18("10","8","4","3","1","8","1") = "9"
    & skf18("10","8","4","3","1","9","1") = "9"
    & skf18("10","8","4","3","1","10","1") = "9"
    & skf18("10","8","4","3","2","1","1") = "9"
    & skf18("10","8","4","3","2","2","1") = "9"
    & skf18("10","8","4","3","2","3","1") = "9"
    & skf18("10","8","4","3","2","4","1") = "9"
    & skf18("10","8","4","3","2","5","1") = "9"
    & skf18("10","8","4","3","2","6","1") = "9"
    & skf18("10","8","4","3","2","7","1") = "9"
    & skf18("10","8","4","3","2","8","1") = "9"
    & skf18("10","8","4","3","2","9","1") = "9"
    & skf18("10","8","4","3","2","10","1") = "9"
    & skf18("10","8","4","3","3","1","1") = "9"
    & skf18("10","8","4","3","3","2","1") = "9"
    & skf18("10","8","4","3","3","3","1") = "9"
    & skf18("10","8","4","3","3","4","1") = "9"
    & skf18("10","8","4","3","3","5","1") = "9"
    & skf18("10","8","4","3","3","6","1") = "9"
    & skf18("10","8","4","3","3","7","1") = "9"
    & skf18("10","8","4","3","3","8","1") = "9"
    & skf18("10","8","4","3","3","9","1") = "9"
    & skf18("10","8","4","3","3","10","1") = "9"
    & skf18("10","8","4","3","4","1","1") = "9"
    & skf18("10","8","4","3","4","2","1") = "9"
    & skf18("10","8","4","3","4","3","1") = "9"
    & skf18("10","8","4","3","4","4","1") = "9"
    & skf18("10","8","4","3","4","5","1") = "9"
    & skf18("10","8","4","3","4","6","1") = "9"
    & skf18("10","8","4","3","4","7","1") = "9"
    & skf18("10","8","4","3","4","8","1") = "9"
    & skf18("10","8","4","3","4","9","1") = "9"
    & skf18("10","8","4","3","4","10","1") = "9"
    & skf18("10","8","4","3","5","1","1") = "9"
    & skf18("10","8","4","3","5","2","1") = "9"
    & skf18("10","8","4","3","5","3","1") = "9"
    & skf18("10","8","4","3","5","4","1") = "9"
    & skf18("10","8","4","3","5","5","1") = "9"
    & skf18("10","8","4","3","5","6","1") = "9"
    & skf18("10","8","4","3","5","7","1") = "9"
    & skf18("10","8","4","3","5","8","1") = "9"
    & skf18("10","8","4","3","5","9","1") = "9"
    & skf18("10","8","4","3","5","10","1") = "9"
    & skf18("10","8","4","3","6","1","1") = "9"
    & skf18("10","8","4","3","6","2","1") = "9"
    & skf18("10","8","4","3","6","3","1") = "9"
    & skf18("10","8","4","3","6","4","1") = "9"
    & skf18("10","8","4","3","6","5","1") = "9"
    & skf18("10","8","4","3","6","6","1") = "9"
    & skf18("10","8","4","3","6","7","1") = "9"
    & skf18("10","8","4","3","6","8","1") = "9"
    & skf18("10","8","4","3","6","9","1") = "9"
    & skf18("10","8","4","3","6","10","1") = "9"
    & skf18("10","8","4","3","7","1","1") = "9"
    & skf18("10","8","4","3","7","2","1") = "9"
    & skf18("10","8","4","3","7","3","1") = "9"
    & skf18("10","8","4","3","7","4","1") = "9"
    & skf18("10","8","4","3","7","5","1") = "9"
    & skf18("10","8","4","3","7","6","1") = "9"
    & skf18("10","8","4","3","7","7","1") = "9"
    & skf18("10","8","4","3","7","8","1") = "9"
    & skf18("10","8","4","3","7","9","1") = "9"
    & skf18("10","8","4","3","7","10","1") = "9"
    & skf18("10","8","4","3","8","1","1") = "9"
    & skf18("10","8","4","3","8","2","1") = "9"
    & skf18("10","8","4","3","8","3","1") = "9"
    & skf18("10","8","4","3","8","4","1") = "9"
    & skf18("10","8","4","3","8","5","1") = "9"
    & skf18("10","8","4","3","8","6","1") = "9"
    & skf18("10","8","4","3","8","7","1") = "9"
    & skf18("10","8","4","3","8","8","1") = "9"
    & skf18("10","8","4","3","8","9","1") = "9"
    & skf18("10","8","4","3","8","10","1") = "9"
    & skf18("10","8","4","3","9","1","1") = "9"
    & skf18("10","8","4","3","9","2","1") = "9"
    & skf18("10","8","4","3","9","3","1") = "9"
    & skf18("10","8","4","3","9","4","1") = "9"
    & skf18("10","8","4","3","9","5","1") = "9"
    & skf18("10","8","4","3","9","6","1") = "9"
    & skf18("10","8","4","3","9","7","1") = "9"
    & skf18("10","8","4","3","9","8","1") = "9"
    & skf18("10","8","4","3","9","9","1") = "9"
    & skf18("10","8","4","3","9","10","1") = "9"
    & skf18("10","8","4","3","10","1","1") = "9"
    & skf18("10","8","4","3","10","2","1") = "9"
    & skf18("10","8","4","3","10","3","1") = "9"
    & skf18("10","8","4","3","10","4","1") = "9"
    & skf18("10","8","4","3","10","5","1") = "9"
    & skf18("10","8","4","3","10","6","1") = "9"
    & skf18("10","8","4","3","10","7","1") = "9"
    & skf18("10","8","4","3","10","8","1") = "9"
    & skf18("10","8","4","3","10","9","1") = "9"
    & skf18("10","8","4","3","10","10","1") = "9"
    & skf18("10","8","4","4","1","1","1") = "9"
    & skf18("10","8","4","4","1","2","1") = "9"
    & skf18("10","8","4","4","1","3","1") = "9"
    & skf18("10","8","4","4","1","4","1") = "9"
    & skf18("10","8","4","4","1","5","1") = "9"
    & skf18("10","8","4","4","1","6","1") = "9"
    & skf18("10","8","4","4","1","7","1") = "9"
    & skf18("10","8","4","4","1","8","1") = "9"
    & skf18("10","8","4","4","1","9","1") = "9"
    & skf18("10","8","4","4","1","10","1") = "9"
    & skf18("10","8","4","4","2","1","1") = "9"
    & skf18("10","8","4","4","2","2","1") = "9"
    & skf18("10","8","4","4","2","3","1") = "9"
    & skf18("10","8","4","4","2","4","1") = "9"
    & skf18("10","8","4","4","2","5","1") = "9"
    & skf18("10","8","4","4","2","6","1") = "9"
    & skf18("10","8","4","4","2","7","1") = "9"
    & skf18("10","8","4","4","2","8","1") = "9"
    & skf18("10","8","4","4","2","9","1") = "9"
    & skf18("10","8","4","4","2","10","1") = "9"
    & skf18("10","8","4","4","3","1","1") = "9"
    & skf18("10","8","4","4","3","2","1") = "9"
    & skf18("10","8","4","4","3","3","1") = "9"
    & skf18("10","8","4","4","3","4","1") = "9"
    & skf18("10","8","4","4","3","5","1") = "9"
    & skf18("10","8","4","4","3","6","1") = "9"
    & skf18("10","8","4","4","3","7","1") = "9"
    & skf18("10","8","4","4","3","8","1") = "9"
    & skf18("10","8","4","4","3","9","1") = "9"
    & skf18("10","8","4","4","3","10","1") = "9"
    & skf18("10","8","4","4","4","1","1") = "9"
    & skf18("10","8","4","4","4","2","1") = "9"
    & skf18("10","8","4","4","4","3","1") = "9"
    & skf18("10","8","4","4","4","4","1") = "9"
    & skf18("10","8","4","4","4","5","1") = "9"
    & skf18("10","8","4","4","4","6","1") = "9"
    & skf18("10","8","4","4","4","7","1") = "9"
    & skf18("10","8","4","4","4","8","1") = "9"
    & skf18("10","8","4","4","4","9","1") = "9"
    & skf18("10","8","4","4","4","10","1") = "9"
    & skf18("10","8","4","4","5","1","1") = "9"
    & skf18("10","8","4","4","5","2","1") = "9"
    & skf18("10","8","4","4","5","3","1") = "9"
    & skf18("10","8","4","4","5","4","1") = "9"
    & skf18("10","8","4","4","5","5","1") = "9"
    & skf18("10","8","4","4","5","6","1") = "9"
    & skf18("10","8","4","4","5","7","1") = "9"
    & skf18("10","8","4","4","5","8","1") = "9"
    & skf18("10","8","4","4","5","9","1") = "9"
    & skf18("10","8","4","4","5","10","1") = "9"
    & skf18("10","8","4","4","6","1","1") = "9"
    & skf18("10","8","4","4","6","2","1") = "9"
    & skf18("10","8","4","4","6","3","1") = "9"
    & skf18("10","8","4","4","6","4","1") = "9"
    & skf18("10","8","4","4","6","5","1") = "9"
    & skf18("10","8","4","4","6","6","1") = "9"
    & skf18("10","8","4","4","6","7","1") = "9"
    & skf18("10","8","4","4","6","8","1") = "9"
    & skf18("10","8","4","4","6","9","1") = "9"
    & skf18("10","8","4","4","6","10","1") = "9"
    & skf18("10","8","4","4","7","1","1") = "9"
    & skf18("10","8","4","4","7","2","1") = "9"
    & skf18("10","8","4","4","7","3","1") = "9"
    & skf18("10","8","4","4","7","4","1") = "9"
    & skf18("10","8","4","4","7","5","1") = "9"
    & skf18("10","8","4","4","7","6","1") = "9"
    & skf18("10","8","4","4","7","7","1") = "9"
    & skf18("10","8","4","4","7","8","1") = "9"
    & skf18("10","8","4","4","7","9","1") = "9"
    & skf18("10","8","4","4","7","10","1") = "9"
    & skf18("10","8","4","4","8","1","1") = "9"
    & skf18("10","8","4","4","8","2","1") = "9"
    & skf18("10","8","4","4","8","3","1") = "9"
    & skf18("10","8","4","4","8","4","1") = "9"
    & skf18("10","8","4","4","8","5","1") = "9"
    & skf18("10","8","4","4","8","6","1") = "9"
    & skf18("10","8","4","4","8","7","1") = "9"
    & skf18("10","8","4","4","8","8","1") = "9"
    & skf18("10","8","4","4","8","9","1") = "9"
    & skf18("10","8","4","4","8","10","1") = "9"
    & skf18("10","8","4","4","9","1","1") = "9"
    & skf18("10","8","4","4","9","2","1") = "9"
    & skf18("10","8","4","4","9","3","1") = "9"
    & skf18("10","8","4","4","9","4","1") = "9"
    & skf18("10","8","4","4","9","5","1") = "9"
    & skf18("10","8","4","4","9","6","1") = "9"
    & skf18("10","8","4","4","9","7","1") = "9"
    & skf18("10","8","4","4","9","8","1") = "9"
    & skf18("10","8","4","4","9","9","1") = "9"
    & skf18("10","8","4","4","9","10","1") = "9"
    & skf18("10","8","4","4","10","1","1") = "9"
    & skf18("10","8","4","4","10","2","1") = "9"
    & skf18("10","8","4","4","10","3","1") = "9"
    & skf18("10","8","4","4","10","4","1") = "9"
    & skf18("10","8","4","4","10","5","1") = "9"
    & skf18("10","8","4","4","10","6","1") = "9"
    & skf18("10","8","4","4","10","7","1") = "9"
    & skf18("10","8","4","4","10","8","1") = "9"
    & skf18("10","8","4","4","10","9","1") = "9"
    & skf18("10","8","4","4","10","10","1") = "9"
    & skf18("10","8","4","5","1","1","1") = "9"
    & skf18("10","8","4","5","1","2","1") = "9"
    & skf18("10","8","4","5","1","3","1") = "9"
    & skf18("10","8","4","5","1","4","1") = "9"
    & skf18("10","8","4","5","1","5","1") = "9"
    & skf18("10","8","4","5","1","6","1") = "9"
    & skf18("10","8","4","5","1","7","1") = "9"
    & skf18("10","8","4","5","1","8","1") = "9"
    & skf18("10","8","4","5","1","9","1") = "9"
    & skf18("10","8","4","5","1","10","1") = "9"
    & skf18("10","8","4","5","2","1","1") = "9"
    & skf18("10","8","4","5","2","2","1") = "9"
    & skf18("10","8","4","5","2","3","1") = "9"
    & skf18("10","8","4","5","2","4","1") = "9"
    & skf18("10","8","4","5","2","5","1") = "9"
    & skf18("10","8","4","5","2","6","1") = "9"
    & skf18("10","8","4","5","2","7","1") = "9"
    & skf18("10","8","4","5","2","8","1") = "9"
    & skf18("10","8","4","5","2","9","1") = "9"
    & skf18("10","8","4","5","2","10","1") = "9"
    & skf18("10","8","4","5","3","1","1") = "9"
    & skf18("10","8","4","5","3","2","1") = "9"
    & skf18("10","8","4","5","3","3","1") = "9"
    & skf18("10","8","4","5","3","4","1") = "9"
    & skf18("10","8","4","5","3","5","1") = "9"
    & skf18("10","8","4","5","3","6","1") = "9"
    & skf18("10","8","4","5","3","7","1") = "9"
    & skf18("10","8","4","5","3","8","1") = "9"
    & skf18("10","8","4","5","3","9","1") = "9"
    & skf18("10","8","4","5","3","10","1") = "9"
    & skf18("10","8","4","5","4","1","1") = "9"
    & skf18("10","8","4","5","4","2","1") = "9"
    & skf18("10","8","4","5","4","3","1") = "9"
    & skf18("10","8","4","5","4","4","1") = "9"
    & skf18("10","8","4","5","4","5","1") = "9"
    & skf18("10","8","4","5","4","6","1") = "9"
    & skf18("10","8","4","5","4","7","1") = "9"
    & skf18("10","8","4","5","4","8","1") = "9"
    & skf18("10","8","4","5","4","9","1") = "9"
    & skf18("10","8","4","5","4","10","1") = "9"
    & skf18("10","8","4","5","5","1","1") = "9"
    & skf18("10","8","4","5","5","2","1") = "9"
    & skf18("10","8","4","5","5","3","1") = "9"
    & skf18("10","8","4","5","5","4","1") = "9"
    & skf18("10","8","4","5","5","5","1") = "9"
    & skf18("10","8","4","5","5","6","1") = "9"
    & skf18("10","8","4","5","5","7","1") = "9"
    & skf18("10","8","4","5","5","8","1") = "9"
    & skf18("10","8","4","5","5","9","1") = "9"
    & skf18("10","8","4","5","5","10","1") = "9"
    & skf18("10","8","4","5","6","1","1") = "9"
    & skf18("10","8","4","5","6","2","1") = "9"
    & skf18("10","8","4","5","6","3","1") = "9"
    & skf18("10","8","4","5","6","4","1") = "9"
    & skf18("10","8","4","5","6","5","1") = "9"
    & skf18("10","8","4","5","6","6","1") = "9"
    & skf18("10","8","4","5","6","7","1") = "9"
    & skf18("10","8","4","5","6","8","1") = "9"
    & skf18("10","8","4","5","6","9","1") = "9"
    & skf18("10","8","4","5","6","10","1") = "9"
    & skf18("10","8","4","5","7","1","1") = "9"
    & skf18("10","8","4","5","7","2","1") = "9"
    & skf18("10","8","4","5","7","3","1") = "9"
    & skf18("10","8","4","5","7","4","1") = "9"
    & skf18("10","8","4","5","7","5","1") = "9"
    & skf18("10","8","4","5","7","6","1") = "9"
    & skf18("10","8","4","5","7","7","1") = "9"
    & skf18("10","8","4","5","7","8","1") = "9"
    & skf18("10","8","4","5","7","9","1") = "9"
    & skf18("10","8","4","5","7","10","1") = "9"
    & skf18("10","8","4","5","8","1","1") = "9"
    & skf18("10","8","4","5","8","2","1") = "9"
    & skf18("10","8","4","5","8","3","1") = "9"
    & skf18("10","8","4","5","8","4","1") = "9"
    & skf18("10","8","4","5","8","5","1") = "9"
    & skf18("10","8","4","5","8","6","1") = "9"
    & skf18("10","8","4","5","8","7","1") = "9"
    & skf18("10","8","4","5","8","8","1") = "9"
    & skf18("10","8","4","5","8","9","1") = "9"
    & skf18("10","8","4","5","8","10","1") = "9"
    & skf18("10","8","4","5","9","1","1") = "9"
    & skf18("10","8","4","5","9","2","1") = "9"
    & skf18("10","8","4","5","9","3","1") = "9"
    & skf18("10","8","4","5","9","4","1") = "9"
    & skf18("10","8","4","5","9","5","1") = "9"
    & skf18("10","8","4","5","9","6","1") = "9"
    & skf18("10","8","4","5","9","7","1") = "9"
    & skf18("10","8","4","5","9","8","1") = "9"
    & skf18("10","8","4","5","9","9","1") = "9"
    & skf18("10","8","4","5","9","10","1") = "9"
    & skf18("10","8","4","5","10","1","1") = "9"
    & skf18("10","8","4","5","10","2","1") = "9"
    & skf18("10","8","4","5","10","3","1") = "9"
    & skf18("10","8","4","5","10","4","1") = "9"
    & skf18("10","8","4","5","10","5","1") = "9"
    & skf18("10","8","4","5","10","6","1") = "9"
    & skf18("10","8","4","5","10","7","1") = "9"
    & skf18("10","8","4","5","10","8","1") = "9"
    & skf18("10","8","4","5","10","9","1") = "9"
    & skf18("10","8","4","5","10","10","1") = "9"
    & skf18("10","8","4","6","1","1","1") = "9"
    & skf18("10","8","4","6","1","2","1") = "9"
    & skf18("10","8","4","6","1","3","1") = "9"
    & skf18("10","8","4","6","1","4","1") = "9"
    & skf18("10","8","4","6","1","5","1") = "9"
    & skf18("10","8","4","6","1","6","1") = "9"
    & skf18("10","8","4","6","1","7","1") = "9"
    & skf18("10","8","4","6","1","8","1") = "9"
    & skf18("10","8","4","6","1","9","1") = "9"
    & skf18("10","8","4","6","1","10","1") = "9"
    & skf18("10","8","4","6","2","1","1") = "9"
    & skf18("10","8","4","6","2","2","1") = "9"
    & skf18("10","8","4","6","2","3","1") = "9"
    & skf18("10","8","4","6","2","4","1") = "9"
    & skf18("10","8","4","6","2","5","1") = "9"
    & skf18("10","8","4","6","2","6","1") = "9"
    & skf18("10","8","4","6","2","7","1") = "9"
    & skf18("10","8","4","6","2","8","1") = "9"
    & skf18("10","8","4","6","2","9","1") = "9"
    & skf18("10","8","4","6","2","10","1") = "9"
    & skf18("10","8","4","6","3","1","1") = "9"
    & skf18("10","8","4","6","3","2","1") = "9"
    & skf18("10","8","4","6","3","3","1") = "9"
    & skf18("10","8","4","6","3","4","1") = "9"
    & skf18("10","8","4","6","3","5","1") = "9"
    & skf18("10","8","4","6","3","6","1") = "9"
    & skf18("10","8","4","6","3","7","1") = "9"
    & skf18("10","8","4","6","3","8","1") = "9"
    & skf18("10","8","4","6","3","9","1") = "9"
    & skf18("10","8","4","6","3","10","1") = "9"
    & skf18("10","8","4","6","4","1","1") = "9"
    & skf18("10","8","4","6","4","2","1") = "9"
    & skf18("10","8","4","6","4","3","1") = "9"
    & skf18("10","8","4","6","4","4","1") = "9"
    & skf18("10","8","4","6","4","5","1") = "9"
    & skf18("10","8","4","6","4","6","1") = "9"
    & skf18("10","8","4","6","4","7","1") = "9"
    & skf18("10","8","4","6","4","8","1") = "9"
    & skf18("10","8","4","6","4","9","1") = "9"
    & skf18("10","8","4","6","4","10","1") = "9"
    & skf18("10","8","4","6","5","1","1") = "9"
    & skf18("10","8","4","6","5","2","1") = "9"
    & skf18("10","8","4","6","5","3","1") = "9"
    & skf18("10","8","4","6","5","4","1") = "9"
    & skf18("10","8","4","6","5","5","1") = "9"
    & skf18("10","8","4","6","5","6","1") = "9"
    & skf18("10","8","4","6","5","7","1") = "9"
    & skf18("10","8","4","6","5","8","1") = "9"
    & skf18("10","8","4","6","5","9","1") = "9"
    & skf18("10","8","4","6","5","10","1") = "9"
    & skf18("10","8","4","6","6","1","1") = "9"
    & skf18("10","8","4","6","6","2","1") = "9"
    & skf18("10","8","4","6","6","3","1") = "9"
    & skf18("10","8","4","6","6","4","1") = "9"
    & skf18("10","8","4","6","6","5","1") = "9"
    & skf18("10","8","4","6","6","6","1") = "9"
    & skf18("10","8","4","6","6","7","1") = "9"
    & skf18("10","8","4","6","6","8","1") = "9"
    & skf18("10","8","4","6","6","9","1") = "9"
    & skf18("10","8","4","6","6","10","1") = "9"
    & skf18("10","8","4","6","7","1","1") = "9"
    & skf18("10","8","4","6","7","2","1") = "9"
    & skf18("10","8","4","6","7","3","1") = "9"
    & skf18("10","8","4","6","7","4","1") = "9"
    & skf18("10","8","4","6","7","5","1") = "9"
    & skf18("10","8","4","6","7","6","1") = "9"
    & skf18("10","8","4","6","7","7","1") = "9"
    & skf18("10","8","4","6","7","8","1") = "9"
    & skf18("10","8","4","6","7","9","1") = "9"
    & skf18("10","8","4","6","7","10","1") = "9"
    & skf18("10","8","4","6","8","1","1") = "9"
    & skf18("10","8","4","6","8","2","1") = "9"
    & skf18("10","8","4","6","8","3","1") = "9"
    & skf18("10","8","4","6","8","4","1") = "9"
    & skf18("10","8","4","6","8","5","1") = "9"
    & skf18("10","8","4","6","8","6","1") = "9"
    & skf18("10","8","4","6","8","7","1") = "9"
    & skf18("10","8","4","6","8","8","1") = "9"
    & skf18("10","8","4","6","8","9","1") = "9"
    & skf18("10","8","4","6","8","10","1") = "9"
    & skf18("10","8","4","6","9","1","1") = "9"
    & skf18("10","8","4","6","9","2","1") = "9"
    & skf18("10","8","4","6","9","3","1") = "9"
    & skf18("10","8","4","6","9","4","1") = "9"
    & skf18("10","8","4","6","9","5","1") = "9"
    & skf18("10","8","4","6","9","6","1") = "9"
    & skf18("10","8","4","6","9","7","1") = "9"
    & skf18("10","8","4","6","9","8","1") = "9"
    & skf18("10","8","4","6","9","9","1") = "9"
    & skf18("10","8","4","6","9","10","1") = "9"
    & skf18("10","8","4","6","10","1","1") = "9"
    & skf18("10","8","4","6","10","2","1") = "9"
    & skf18("10","8","4","6","10","3","1") = "9"
    & skf18("10","8","4","6","10","4","1") = "9"
    & skf18("10","8","4","6","10","5","1") = "9"
    & skf18("10","8","4","6","10","6","1") = "9"
    & skf18("10","8","4","6","10","7","1") = "9"
    & skf18("10","8","4","6","10","8","1") = "9"
    & skf18("10","8","4","6","10","9","1") = "9"
    & skf18("10","8","4","6","10","10","1") = "9"
    & skf18("10","8","4","7","1","1","1") = "9"
    & skf18("10","8","4","7","1","2","1") = "9"
    & skf18("10","8","4","7","1","3","1") = "9"
    & skf18("10","8","4","7","1","4","1") = "9"
    & skf18("10","8","4","7","1","5","1") = "9"
    & skf18("10","8","4","7","1","6","1") = "9"
    & skf18("10","8","4","7","1","7","1") = "9"
    & skf18("10","8","4","7","1","8","1") = "9"
    & skf18("10","8","4","7","1","9","1") = "9"
    & skf18("10","8","4","7","1","10","1") = "9"
    & skf18("10","8","4","7","2","1","1") = "9"
    & skf18("10","8","4","7","2","2","1") = "9"
    & skf18("10","8","4","7","2","3","1") = "9"
    & skf18("10","8","4","7","2","4","1") = "9"
    & skf18("10","8","4","7","2","5","1") = "9"
    & skf18("10","8","4","7","2","6","1") = "9"
    & skf18("10","8","4","7","2","7","1") = "9"
    & skf18("10","8","4","7","2","8","1") = "9"
    & skf18("10","8","4","7","2","9","1") = "9"
    & skf18("10","8","4","7","2","10","1") = "9"
    & skf18("10","8","4","7","3","1","1") = "9"
    & skf18("10","8","4","7","3","2","1") = "9"
    & skf18("10","8","4","7","3","3","1") = "9"
    & skf18("10","8","4","7","3","4","1") = "9"
    & skf18("10","8","4","7","3","5","1") = "9"
    & skf18("10","8","4","7","3","6","1") = "9"
    & skf18("10","8","4","7","3","7","1") = "9"
    & skf18("10","8","4","7","3","8","1") = "9"
    & skf18("10","8","4","7","3","9","1") = "9"
    & skf18("10","8","4","7","3","10","1") = "9"
    & skf18("10","8","4","7","4","1","1") = "9"
    & skf18("10","8","4","7","4","2","1") = "9"
    & skf18("10","8","4","7","4","3","1") = "9"
    & skf18("10","8","4","7","4","4","1") = "9"
    & skf18("10","8","4","7","4","5","1") = "9"
    & skf18("10","8","4","7","4","6","1") = "9"
    & skf18("10","8","4","7","4","7","1") = "9"
    & skf18("10","8","4","7","4","8","1") = "9"
    & skf18("10","8","4","7","4","9","1") = "9"
    & skf18("10","8","4","7","4","10","1") = "9"
    & skf18("10","8","4","7","5","1","1") = "9"
    & skf18("10","8","4","7","5","2","1") = "9"
    & skf18("10","8","4","7","5","3","1") = "9"
    & skf18("10","8","4","7","5","4","1") = "9"
    & skf18("10","8","4","7","5","5","1") = "9"
    & skf18("10","8","4","7","5","6","1") = "9"
    & skf18("10","8","4","7","5","7","1") = "9"
    & skf18("10","8","4","7","5","8","1") = "9"
    & skf18("10","8","4","7","5","9","1") = "9"
    & skf18("10","8","4","7","5","10","1") = "9"
    & skf18("10","8","4","7","6","1","1") = "9"
    & skf18("10","8","4","7","6","2","1") = "9"
    & skf18("10","8","4","7","6","3","1") = "9"
    & skf18("10","8","4","7","6","4","1") = "9"
    & skf18("10","8","4","7","6","5","1") = "9"
    & skf18("10","8","4","7","6","6","1") = "9"
    & skf18("10","8","4","7","6","7","1") = "9"
    & skf18("10","8","4","7","6","8","1") = "9"
    & skf18("10","8","4","7","6","9","1") = "9"
    & skf18("10","8","4","7","6","10","1") = "9"
    & skf18("10","8","4","7","7","1","1") = "9"
    & skf18("10","8","4","7","7","2","1") = "9"
    & skf18("10","8","4","7","7","3","1") = "9"
    & skf18("10","8","4","7","7","4","1") = "9"
    & skf18("10","8","4","7","7","5","1") = "9"
    & skf18("10","8","4","7","7","6","1") = "9"
    & skf18("10","8","4","7","7","7","1") = "9"
    & skf18("10","8","4","7","7","8","1") = "9"
    & skf18("10","8","4","7","7","9","1") = "9"
    & skf18("10","8","4","7","7","10","1") = "9"
    & skf18("10","8","4","7","8","1","1") = "9"
    & skf18("10","8","4","7","8","2","1") = "9"
    & skf18("10","8","4","7","8","3","1") = "9"
    & skf18("10","8","4","7","8","4","1") = "9"
    & skf18("10","8","4","7","8","5","1") = "9"
    & skf18("10","8","4","7","8","6","1") = "9"
    & skf18("10","8","4","7","8","7","1") = "9"
    & skf18("10","8","4","7","8","8","1") = "9"
    & skf18("10","8","4","7","8","9","1") = "9"
    & skf18("10","8","4","7","8","10","1") = "9"
    & skf18("10","8","4","7","9","1","1") = "9"
    & skf18("10","8","4","7","9","2","1") = "9"
    & skf18("10","8","4","7","9","3","1") = "9"
    & skf18("10","8","4","7","9","4","1") = "9"
    & skf18("10","8","4","7","9","5","1") = "9"
    & skf18("10","8","4","7","9","6","1") = "9"
    & skf18("10","8","4","7","9","7","1") = "9"
    & skf18("10","8","4","7","9","8","1") = "9"
    & skf18("10","8","4","7","9","9","1") = "9"
    & skf18("10","8","4","7","9","10","1") = "9"
    & skf18("10","8","4","7","10","1","1") = "9"
    & skf18("10","8","4","7","10","2","1") = "9"
    & skf18("10","8","4","7","10","3","1") = "9"
    & skf18("10","8","4","7","10","4","1") = "9"
    & skf18("10","8","4","7","10","5","1") = "9"
    & skf18("10","8","4","7","10","6","1") = "9"
    & skf18("10","8","4","7","10","7","1") = "9"
    & skf18("10","8","4","7","10","8","1") = "9"
    & skf18("10","8","4","7","10","9","1") = "9"
    & skf18("10","8","4","7","10","10","1") = "9"
    & skf18("10","8","4","8","1","1","1") = "9"
    & skf18("10","8","4","8","1","2","1") = "9"
    & skf18("10","8","4","8","1","3","1") = "9"
    & skf18("10","8","4","8","1","4","1") = "9"
    & skf18("10","8","4","8","1","5","1") = "9"
    & skf18("10","8","4","8","1","6","1") = "9"
    & skf18("10","8","4","8","1","7","1") = "9"
    & skf18("10","8","4","8","1","8","1") = "9"
    & skf18("10","8","4","8","1","9","1") = "9"
    & skf18("10","8","4","8","1","10","1") = "9"
    & skf18("10","8","4","8","2","1","1") = "9"
    & skf18("10","8","4","8","2","2","1") = "9"
    & skf18("10","8","4","8","2","3","1") = "9"
    & skf18("10","8","4","8","2","4","1") = "9"
    & skf18("10","8","4","8","2","5","1") = "9"
    & skf18("10","8","4","8","2","6","1") = "9"
    & skf18("10","8","4","8","2","7","1") = "9"
    & skf18("10","8","4","8","2","8","1") = "9"
    & skf18("10","8","4","8","2","9","1") = "9"
    & skf18("10","8","4","8","2","10","1") = "9"
    & skf18("10","8","4","8","3","1","1") = "9"
    & skf18("10","8","4","8","3","2","1") = "9"
    & skf18("10","8","4","8","3","3","1") = "9"
    & skf18("10","8","4","8","3","4","1") = "9"
    & skf18("10","8","4","8","3","5","1") = "9"
    & skf18("10","8","4","8","3","6","1") = "9"
    & skf18("10","8","4","8","3","7","1") = "9"
    & skf18("10","8","4","8","3","8","1") = "9"
    & skf18("10","8","4","8","3","9","1") = "9"
    & skf18("10","8","4","8","3","10","1") = "9"
    & skf18("10","8","4","8","4","1","1") = "9"
    & skf18("10","8","4","8","4","2","1") = "9"
    & skf18("10","8","4","8","4","3","1") = "9"
    & skf18("10","8","4","8","4","4","1") = "9"
    & skf18("10","8","4","8","4","5","1") = "9"
    & skf18("10","8","4","8","4","6","1") = "9"
    & skf18("10","8","4","8","4","7","1") = "9"
    & skf18("10","8","4","8","4","8","1") = "9"
    & skf18("10","8","4","8","4","9","1") = "9"
    & skf18("10","8","4","8","4","10","1") = "9"
    & skf18("10","8","4","8","5","1","1") = "9"
    & skf18("10","8","4","8","5","2","1") = "9"
    & skf18("10","8","4","8","5","3","1") = "9"
    & skf18("10","8","4","8","5","4","1") = "9"
    & skf18("10","8","4","8","5","5","1") = "9"
    & skf18("10","8","4","8","5","6","1") = "9"
    & skf18("10","8","4","8","5","7","1") = "9"
    & skf18("10","8","4","8","5","8","1") = "9"
    & skf18("10","8","4","8","5","9","1") = "9"
    & skf18("10","8","4","8","5","10","1") = "9"
    & skf18("10","8","4","8","6","1","1") = "9"
    & skf18("10","8","4","8","6","2","1") = "9"
    & skf18("10","8","4","8","6","3","1") = "9"
    & skf18("10","8","4","8","6","4","1") = "9"
    & skf18("10","8","4","8","6","5","1") = "9"
    & skf18("10","8","4","8","6","6","1") = "9"
    & skf18("10","8","4","8","6","7","1") = "9"
    & skf18("10","8","4","8","6","8","1") = "9"
    & skf18("10","8","4","8","6","9","1") = "9"
    & skf18("10","8","4","8","6","10","1") = "9"
    & skf18("10","8","4","8","7","1","1") = "9"
    & skf18("10","8","4","8","7","2","1") = "9"
    & skf18("10","8","4","8","7","3","1") = "9"
    & skf18("10","8","4","8","7","4","1") = "9"
    & skf18("10","8","4","8","7","5","1") = "9"
    & skf18("10","8","4","8","7","6","1") = "9"
    & skf18("10","8","4","8","7","7","1") = "9"
    & skf18("10","8","4","8","7","8","1") = "9"
    & skf18("10","8","4","8","7","9","1") = "9"
    & skf18("10","8","4","8","7","10","1") = "9"
    & skf18("10","8","4","8","8","1","1") = "9"
    & skf18("10","8","4","8","8","2","1") = "9"
    & skf18("10","8","4","8","8","3","1") = "9"
    & skf18("10","8","4","8","8","4","1") = "9"
    & skf18("10","8","4","8","8","5","1") = "9"
    & skf18("10","8","4","8","8","6","1") = "9"
    & skf18("10","8","4","8","8","7","1") = "9"
    & skf18("10","8","4","8","8","8","1") = "9"
    & skf18("10","8","4","8","8","9","1") = "9"
    & skf18("10","8","4","8","8","10","1") = "9"
    & skf18("10","8","4","8","9","1","1") = "9"
    & skf18("10","8","4","8","9","2","1") = "9"
    & skf18("10","8","4","8","9","3","1") = "9"
    & skf18("10","8","4","8","9","4","1") = "9"
    & skf18("10","8","4","8","9","5","1") = "9"
    & skf18("10","8","4","8","9","6","1") = "9"
    & skf18("10","8","4","8","9","7","1") = "9"
    & skf18("10","8","4","8","9","8","1") = "9"
    & skf18("10","8","4","8","9","9","1") = "9"
    & skf18("10","8","4","8","9","10","1") = "9"
    & skf18("10","8","4","8","10","1","1") = "9"
    & skf18("10","8","4","8","10","2","1") = "9"
    & skf18("10","8","4","8","10","3","1") = "9"
    & skf18("10","8","4","8","10","4","1") = "9"
    & skf18("10","8","4","8","10","5","1") = "9"
    & skf18("10","8","4","8","10","6","1") = "9"
    & skf18("10","8","4","8","10","7","1") = "9"
    & skf18("10","8","4","8","10","8","1") = "9"
    & skf18("10","8","4","8","10","9","1") = "9"
    & skf18("10","8","4","8","10","10","1") = "9"
    & skf18("10","8","4","9","1","1","1") = "9"
    & skf18("10","8","4","9","1","2","1") = "9"
    & skf18("10","8","4","9","1","3","1") = "9"
    & skf18("10","8","4","9","1","4","1") = "9"
    & skf18("10","8","4","9","1","5","1") = "9"
    & skf18("10","8","4","9","1","6","1") = "9"
    & skf18("10","8","4","9","1","7","1") = "9"
    & skf18("10","8","4","9","1","8","1") = "9"
    & skf18("10","8","4","9","1","9","1") = "9"
    & skf18("10","8","4","9","1","10","1") = "9"
    & skf18("10","8","4","9","2","1","1") = "9"
    & skf18("10","8","4","9","2","2","1") = "9"
    & skf18("10","8","4","9","2","3","1") = "9"
    & skf18("10","8","4","9","2","4","1") = "9"
    & skf18("10","8","4","9","2","5","1") = "9"
    & skf18("10","8","4","9","2","6","1") = "9"
    & skf18("10","8","4","9","2","7","1") = "9"
    & skf18("10","8","4","9","2","8","1") = "9"
    & skf18("10","8","4","9","2","9","1") = "9"
    & skf18("10","8","4","9","2","10","1") = "9"
    & skf18("10","8","4","9","3","1","1") = "9"
    & skf18("10","8","4","9","3","2","1") = "9"
    & skf18("10","8","4","9","3","3","1") = "9"
    & skf18("10","8","4","9","3","4","1") = "9"
    & skf18("10","8","4","9","3","5","1") = "9"
    & skf18("10","8","4","9","3","6","1") = "9"
    & skf18("10","8","4","9","3","7","1") = "9"
    & skf18("10","8","4","9","3","8","1") = "9"
    & skf18("10","8","4","9","3","9","1") = "9"
    & skf18("10","8","4","9","3","10","1") = "9"
    & skf18("10","8","4","9","4","1","1") = "9"
    & skf18("10","8","4","9","4","2","1") = "9"
    & skf18("10","8","4","9","4","3","1") = "9"
    & skf18("10","8","4","9","4","4","1") = "9"
    & skf18("10","8","4","9","4","5","1") = "9"
    & skf18("10","8","4","9","4","6","1") = "9"
    & skf18("10","8","4","9","4","7","1") = "9"
    & skf18("10","8","4","9","4","8","1") = "9"
    & skf18("10","8","4","9","4","9","1") = "9"
    & skf18("10","8","4","9","4","10","1") = "9"
    & skf18("10","8","4","9","5","1","1") = "9"
    & skf18("10","8","4","9","5","2","1") = "9"
    & skf18("10","8","4","9","5","3","1") = "9"
    & skf18("10","8","4","9","5","4","1") = "9"
    & skf18("10","8","4","9","5","5","1") = "9"
    & skf18("10","8","4","9","5","6","1") = "9"
    & skf18("10","8","4","9","5","7","1") = "9"
    & skf18("10","8","4","9","5","8","1") = "9"
    & skf18("10","8","4","9","5","9","1") = "9"
    & skf18("10","8","4","9","5","10","1") = "9"
    & skf18("10","8","4","9","6","1","1") = "9"
    & skf18("10","8","4","9","6","2","1") = "9"
    & skf18("10","8","4","9","6","3","1") = "9"
    & skf18("10","8","4","9","6","4","1") = "9"
    & skf18("10","8","4","9","6","5","1") = "9"
    & skf18("10","8","4","9","6","6","1") = "9"
    & skf18("10","8","4","9","6","7","1") = "9"
    & skf18("10","8","4","9","6","8","1") = "9"
    & skf18("10","8","4","9","6","9","1") = "9"
    & skf18("10","8","4","9","6","10","1") = "9"
    & skf18("10","8","4","9","7","1","1") = "9"
    & skf18("10","8","4","9","7","2","1") = "9"
    & skf18("10","8","4","9","7","3","1") = "9"
    & skf18("10","8","4","9","7","4","1") = "9"
    & skf18("10","8","4","9","7","5","1") = "9"
    & skf18("10","8","4","9","7","6","1") = "9"
    & skf18("10","8","4","9","7","7","1") = "9"
    & skf18("10","8","4","9","7","8","1") = "9"
    & skf18("10","8","4","9","7","9","1") = "9"
    & skf18("10","8","4","9","7","10","1") = "9"
    & skf18("10","8","4","9","8","1","1") = "9"
    & skf18("10","8","4","9","8","2","1") = "9"
    & skf18("10","8","4","9","8","3","1") = "9"
    & skf18("10","8","4","9","8","4","1") = "9"
    & skf18("10","8","4","9","8","5","1") = "9"
    & skf18("10","8","4","9","8","6","1") = "9"
    & skf18("10","8","4","9","8","7","1") = "9"
    & skf18("10","8","4","9","8","8","1") = "9"
    & skf18("10","8","4","9","8","9","1") = "9"
    & skf18("10","8","4","9","8","10","1") = "9"
    & skf18("10","8","4","9","9","1","1") = "9"
    & skf18("10","8","4","9","9","2","1") = "9"
    & skf18("10","8","4","9","9","3","1") = "9"
    & skf18("10","8","4","9","9","4","1") = "9"
    & skf18("10","8","4","9","9","5","1") = "9"
    & skf18("10","8","4","9","9","6","1") = "9"
    & skf18("10","8","4","9","9","7","1") = "9"
    & skf18("10","8","4","9","9","8","1") = "9"
    & skf18("10","8","4","9","9","9","1") = "9"
    & skf18("10","8","4","9","9","10","1") = "9"
    & skf18("10","8","4","9","10","1","1") = "9"
    & skf18("10","8","4","9","10","2","1") = "9"
    & skf18("10","8","4","9","10","3","1") = "9"
    & skf18("10","8","4","9","10","4","1") = "9"
    & skf18("10","8","4","9","10","5","1") = "9"
    & skf18("10","8","4","9","10","6","1") = "9"
    & skf18("10","8","4","9","10","7","1") = "9"
    & skf18("10","8","4","9","10","8","1") = "9"
    & skf18("10","8","4","9","10","9","1") = "9"
    & skf18("10","8","4","9","10","10","1") = "9"
    & skf18("10","8","4","10","1","1","1") = "9"
    & skf18("10","8","4","10","1","2","1") = "9"
    & skf18("10","8","4","10","1","3","1") = "9"
    & skf18("10","8","4","10","1","4","1") = "9"
    & skf18("10","8","4","10","1","5","1") = "9"
    & skf18("10","8","4","10","1","6","1") = "9"
    & skf18("10","8","4","10","1","7","1") = "9"
    & skf18("10","8","4","10","1","8","1") = "9"
    & skf18("10","8","4","10","1","9","1") = "9"
    & skf18("10","8","4","10","1","10","1") = "9"
    & skf18("10","8","4","10","2","1","1") = "9"
    & skf18("10","8","4","10","2","2","1") = "9"
    & skf18("10","8","4","10","2","3","1") = "9"
    & skf18("10","8","4","10","2","4","1") = "9"
    & skf18("10","8","4","10","2","5","1") = "9"
    & skf18("10","8","4","10","2","6","1") = "9"
    & skf18("10","8","4","10","2","7","1") = "9"
    & skf18("10","8","4","10","2","8","1") = "9"
    & skf18("10","8","4","10","2","9","1") = "9"
    & skf18("10","8","4","10","2","10","1") = "9"
    & skf18("10","8","4","10","3","1","1") = "9"
    & skf18("10","8","4","10","3","2","1") = "9"
    & skf18("10","8","4","10","3","3","1") = "9"
    & skf18("10","8","4","10","3","4","1") = "9"
    & skf18("10","8","4","10","3","5","1") = "9"
    & skf18("10","8","4","10","3","6","1") = "9"
    & skf18("10","8","4","10","3","7","1") = "9"
    & skf18("10","8","4","10","3","8","1") = "9"
    & skf18("10","8","4","10","3","9","1") = "9"
    & skf18("10","8","4","10","3","10","1") = "9"
    & skf18("10","8","4","10","4","1","1") = "9"
    & skf18("10","8","4","10","4","2","1") = "9"
    & skf18("10","8","4","10","4","3","1") = "9"
    & skf18("10","8","4","10","4","4","1") = "9"
    & skf18("10","8","4","10","4","5","1") = "9"
    & skf18("10","8","4","10","4","6","1") = "9"
    & skf18("10","8","4","10","4","7","1") = "9"
    & skf18("10","8","4","10","4","8","1") = "9"
    & skf18("10","8","4","10","4","9","1") = "9"
    & skf18("10","8","4","10","4","10","1") = "9"
    & skf18("10","8","4","10","5","1","1") = "9"
    & skf18("10","8","4","10","5","2","1") = "9"
    & skf18("10","8","4","10","5","3","1") = "9"
    & skf18("10","8","4","10","5","4","1") = "9"
    & skf18("10","8","4","10","5","5","1") = "9"
    & skf18("10","8","4","10","5","6","1") = "9"
    & skf18("10","8","4","10","5","7","1") = "9"
    & skf18("10","8","4","10","5","8","1") = "9"
    & skf18("10","8","4","10","5","9","1") = "9"
    & skf18("10","8","4","10","5","10","1") = "9"
    & skf18("10","8","4","10","6","1","1") = "9"
    & skf18("10","8","4","10","6","2","1") = "9"
    & skf18("10","8","4","10","6","3","1") = "9"
    & skf18("10","8","4","10","6","4","1") = "9"
    & skf18("10","8","4","10","6","5","1") = "9"
    & skf18("10","8","4","10","6","6","1") = "9"
    & skf18("10","8","4","10","6","7","1") = "9"
    & skf18("10","8","4","10","6","8","1") = "9"
    & skf18("10","8","4","10","6","9","1") = "9"
    & skf18("10","8","4","10","6","10","1") = "9"
    & skf18("10","8","4","10","7","1","1") = "9"
    & skf18("10","8","4","10","7","2","1") = "9"
    & skf18("10","8","4","10","7","3","1") = "9"
    & skf18("10","8","4","10","7","4","1") = "9"
    & skf18("10","8","4","10","7","5","1") = "9"
    & skf18("10","8","4","10","7","6","1") = "9"
    & skf18("10","8","4","10","7","7","1") = "9"
    & skf18("10","8","4","10","7","8","1") = "9"
    & skf18("10","8","4","10","7","9","1") = "9"
    & skf18("10","8","4","10","7","10","1") = "9"
    & skf18("10","8","4","10","8","1","1") = "9"
    & skf18("10","8","4","10","8","2","1") = "9"
    & skf18("10","8","4","10","8","3","1") = "9"
    & skf18("10","8","4","10","8","4","1") = "9"
    & skf18("10","8","4","10","8","5","1") = "9"
    & skf18("10","8","4","10","8","6","1") = "9"
    & skf18("10","8","4","10","8","7","1") = "9"
    & skf18("10","8","4","10","8","8","1") = "9"
    & skf18("10","8","4","10","8","9","1") = "9"
    & skf18("10","8","4","10","8","10","1") = "9"
    & skf18("10","8","4","10","9","1","1") = "9"
    & skf18("10","8","4","10","9","2","1") = "9"
    & skf18("10","8","4","10","9","3","1") = "9"
    & skf18("10","8","4","10","9","4","1") = "9"
    & skf18("10","8","4","10","9","5","1") = "9"
    & skf18("10","8","4","10","9","6","1") = "9"
    & skf18("10","8","4","10","9","7","1") = "9"
    & skf18("10","8","4","10","9","8","1") = "9"
    & skf18("10","8","4","10","9","9","1") = "9"
    & skf18("10","8","4","10","9","10","1") = "9"
    & skf18("10","8","4","10","10","1","1") = "9"
    & skf18("10","8","4","10","10","2","1") = "9"
    & skf18("10","8","4","10","10","3","1") = "9"
    & skf18("10","8","4","10","10","4","1") = "9"
    & skf18("10","8","4","10","10","5","1") = "9"
    & skf18("10","8","4","10","10","6","1") = "9"
    & skf18("10","8","4","10","10","7","1") = "9"
    & skf18("10","8","4","10","10","8","1") = "9"
    & skf18("10","8","4","10","10","9","1") = "9"
    & skf18("10","8","4","10","10","10","1") = "9"
    & skf18("10","8","5","1","1","1","1") = "9"
    & skf18("10","8","5","1","1","2","1") = "9"
    & skf18("10","8","5","1","1","3","1") = "9"
    & skf18("10","8","5","1","1","4","1") = "9"
    & skf18("10","8","5","1","1","5","1") = "9"
    & skf18("10","8","5","1","1","6","1") = "9"
    & skf18("10","8","5","1","1","7","1") = "9"
    & skf18("10","8","5","1","1","8","1") = "9"
    & skf18("10","8","5","1","1","9","1") = "9"
    & skf18("10","8","5","1","1","10","1") = "9"
    & skf18("10","8","5","1","2","1","1") = "9"
    & skf18("10","8","5","1","2","2","1") = "9"
    & skf18("10","8","5","1","2","3","1") = "9"
    & skf18("10","8","5","1","2","4","1") = "9"
    & skf18("10","8","5","1","2","5","1") = "9"
    & skf18("10","8","5","1","2","6","1") = "9"
    & skf18("10","8","5","1","2","7","1") = "9"
    & skf18("10","8","5","1","2","8","1") = "9"
    & skf18("10","8","5","1","2","9","1") = "9"
    & skf18("10","8","5","1","2","10","1") = "9"
    & skf18("10","8","5","1","3","1","1") = "9"
    & skf18("10","8","5","1","3","2","1") = "9"
    & skf18("10","8","5","1","3","3","1") = "9"
    & skf18("10","8","5","1","3","4","1") = "9"
    & skf18("10","8","5","1","3","5","1") = "9"
    & skf18("10","8","5","1","3","6","1") = "9"
    & skf18("10","8","5","1","3","7","1") = "9"
    & skf18("10","8","5","1","3","8","1") = "9"
    & skf18("10","8","5","1","3","9","1") = "9"
    & skf18("10","8","5","1","3","10","1") = "9"
    & skf18("10","8","5","1","4","1","1") = "9"
    & skf18("10","8","5","1","4","2","1") = "9"
    & skf18("10","8","5","1","4","3","1") = "9"
    & skf18("10","8","5","1","4","4","1") = "9"
    & skf18("10","8","5","1","4","5","1") = "9"
    & skf18("10","8","5","1","4","6","1") = "9"
    & skf18("10","8","5","1","4","7","1") = "9"
    & skf18("10","8","5","1","4","8","1") = "9"
    & skf18("10","8","5","1","4","9","1") = "9"
    & skf18("10","8","5","1","4","10","1") = "9"
    & skf18("10","8","5","1","5","1","1") = "9"
    & skf18("10","8","5","1","5","2","1") = "9"
    & skf18("10","8","5","1","5","3","1") = "9"
    & skf18("10","8","5","1","5","4","1") = "9"
    & skf18("10","8","5","1","5","5","1") = "9"
    & skf18("10","8","5","1","5","6","1") = "9"
    & skf18("10","8","5","1","5","7","1") = "9"
    & skf18("10","8","5","1","5","8","1") = "9"
    & skf18("10","8","5","1","5","9","1") = "9"
    & skf18("10","8","5","1","5","10","1") = "9"
    & skf18("10","8","5","1","6","1","1") = "9"
    & skf18("10","8","5","1","6","2","1") = "9"
    & skf18("10","8","5","1","6","3","1") = "9"
    & skf18("10","8","5","1","6","4","1") = "9"
    & skf18("10","8","5","1","6","5","1") = "9"
    & skf18("10","8","5","1","6","6","1") = "9"
    & skf18("10","8","5","1","6","7","1") = "9"
    & skf18("10","8","5","1","6","8","1") = "9"
    & skf18("10","8","5","1","6","9","1") = "9"
    & skf18("10","8","5","1","6","10","1") = "9"
    & skf18("10","8","5","1","7","1","1") = "9"
    & skf18("10","8","5","1","7","2","1") = "9"
    & skf18("10","8","5","1","7","3","1") = "9"
    & skf18("10","8","5","1","7","4","1") = "9"
    & skf18("10","8","5","1","7","5","1") = "9"
    & skf18("10","8","5","1","7","6","1") = "9"
    & skf18("10","8","5","1","7","7","1") = "9"
    & skf18("10","8","5","1","7","8","1") = "9"
    & skf18("10","8","5","1","7","9","1") = "9"
    & skf18("10","8","5","1","7","10","1") = "9"
    & skf18("10","8","5","1","8","1","1") = "9"
    & skf18("10","8","5","1","8","2","1") = "9"
    & skf18("10","8","5","1","8","3","1") = "9"
    & skf18("10","8","5","1","8","4","1") = "9"
    & skf18("10","8","5","1","8","5","1") = "9"
    & skf18("10","8","5","1","8","6","1") = "9"
    & skf18("10","8","5","1","8","7","1") = "9"
    & skf18("10","8","5","1","8","8","1") = "9"
    & skf18("10","8","5","1","8","9","1") = "9"
    & skf18("10","8","5","1","8","10","1") = "9"
    & skf18("10","8","5","1","9","1","1") = "9"
    & skf18("10","8","5","1","9","2","1") = "9"
    & skf18("10","8","5","1","9","3","1") = "9"
    & skf18("10","8","5","1","9","4","1") = "9"
    & skf18("10","8","5","1","9","5","1") = "9"
    & skf18("10","8","5","1","9","6","1") = "9"
    & skf18("10","8","5","1","9","7","1") = "9"
    & skf18("10","8","5","1","9","8","1") = "9"
    & skf18("10","8","5","1","9","9","1") = "9"
    & skf18("10","8","5","1","9","10","1") = "9"
    & skf18("10","8","5","1","10","1","1") = "9"
    & skf18("10","8","5","1","10","2","1") = "9"
    & skf18("10","8","5","1","10","3","1") = "9"
    & skf18("10","8","5","1","10","4","1") = "9"
    & skf18("10","8","5","1","10","5","1") = "9"
    & skf18("10","8","5","1","10","6","1") = "9"
    & skf18("10","8","5","1","10","7","1") = "9"
    & skf18("10","8","5","1","10","8","1") = "9"
    & skf18("10","8","5","1","10","9","1") = "9"
    & skf18("10","8","5","1","10","10","1") = "9"
    & skf18("10","8","5","2","1","1","1") = "9"
    & skf18("10","8","5","2","1","2","1") = "9"
    & skf18("10","8","5","2","1","3","1") = "9"
    & skf18("10","8","5","2","1","4","1") = "9"
    & skf18("10","8","5","2","1","5","1") = "9"
    & skf18("10","8","5","2","1","6","1") = "9"
    & skf18("10","8","5","2","1","7","1") = "9"
    & skf18("10","8","5","2","1","8","1") = "9"
    & skf18("10","8","5","2","1","9","1") = "9"
    & skf18("10","8","5","2","1","10","1") = "9"
    & skf18("10","8","5","2","2","1","1") = "9"
    & skf18("10","8","5","2","2","2","1") = "9"
    & skf18("10","8","5","2","2","3","1") = "9"
    & skf18("10","8","5","2","2","4","1") = "9"
    & skf18("10","8","5","2","2","5","1") = "9"
    & skf18("10","8","5","2","2","6","1") = "9"
    & skf18("10","8","5","2","2","7","1") = "9"
    & skf18("10","8","5","2","2","8","1") = "9"
    & skf18("10","8","5","2","2","9","1") = "9"
    & skf18("10","8","5","2","2","10","1") = "9"
    & skf18("10","8","5","2","3","1","1") = "9"
    & skf18("10","8","5","2","3","2","1") = "9"
    & skf18("10","8","5","2","3","3","1") = "9"
    & skf18("10","8","5","2","3","4","1") = "9"
    & skf18("10","8","5","2","3","5","1") = "9"
    & skf18("10","8","5","2","3","6","1") = "9"
    & skf18("10","8","5","2","3","7","1") = "9"
    & skf18("10","8","5","2","3","8","1") = "9"
    & skf18("10","8","5","2","3","9","1") = "9"
    & skf18("10","8","5","2","3","10","1") = "9"
    & skf18("10","8","5","2","4","1","1") = "9"
    & skf18("10","8","5","2","4","2","1") = "9"
    & skf18("10","8","5","2","4","3","1") = "9"
    & skf18("10","8","5","2","4","4","1") = "9"
    & skf18("10","8","5","2","4","5","1") = "9"
    & skf18("10","8","5","2","4","6","1") = "9"
    & skf18("10","8","5","2","4","7","1") = "9"
    & skf18("10","8","5","2","4","8","1") = "9"
    & skf18("10","8","5","2","4","9","1") = "9"
    & skf18("10","8","5","2","4","10","1") = "9"
    & skf18("10","8","5","2","5","1","1") = "9"
    & skf18("10","8","5","2","5","2","1") = "9"
    & skf18("10","8","5","2","5","3","1") = "9"
    & skf18("10","8","5","2","5","4","1") = "9"
    & skf18("10","8","5","2","5","5","1") = "9"
    & skf18("10","8","5","2","5","6","1") = "9"
    & skf18("10","8","5","2","5","7","1") = "9"
    & skf18("10","8","5","2","5","8","1") = "9"
    & skf18("10","8","5","2","5","9","1") = "9"
    & skf18("10","8","5","2","5","10","1") = "9"
    & skf18("10","8","5","2","6","1","1") = "9"
    & skf18("10","8","5","2","6","2","1") = "9"
    & skf18("10","8","5","2","6","3","1") = "9"
    & skf18("10","8","5","2","6","4","1") = "9"
    & skf18("10","8","5","2","6","5","1") = "9"
    & skf18("10","8","5","2","6","6","1") = "9"
    & skf18("10","8","5","2","6","7","1") = "9"
    & skf18("10","8","5","2","6","8","1") = "9"
    & skf18("10","8","5","2","6","9","1") = "9"
    & skf18("10","8","5","2","6","10","1") = "9"
    & skf18("10","8","5","2","7","1","1") = "9"
    & skf18("10","8","5","2","7","2","1") = "9"
    & skf18("10","8","5","2","7","3","1") = "9"
    & skf18("10","8","5","2","7","4","1") = "9"
    & skf18("10","8","5","2","7","5","1") = "9"
    & skf18("10","8","5","2","7","6","1") = "9"
    & skf18("10","8","5","2","7","7","1") = "9"
    & skf18("10","8","5","2","7","8","1") = "9"
    & skf18("10","8","5","2","7","9","1") = "9"
    & skf18("10","8","5","2","7","10","1") = "9"
    & skf18("10","8","5","2","8","1","1") = "9"
    & skf18("10","8","5","2","8","2","1") = "9"
    & skf18("10","8","5","2","8","3","1") = "9"
    & skf18("10","8","5","2","8","4","1") = "9"
    & skf18("10","8","5","2","8","5","1") = "9"
    & skf18("10","8","5","2","8","6","1") = "9"
    & skf18("10","8","5","2","8","7","1") = "9"
    & skf18("10","8","5","2","8","8","1") = "9"
    & skf18("10","8","5","2","8","9","1") = "9"
    & skf18("10","8","5","2","8","10","1") = "9"
    & skf18("10","8","5","2","9","1","1") = "9"
    & skf18("10","8","5","2","9","2","1") = "9"
    & skf18("10","8","5","2","9","3","1") = "9"
    & skf18("10","8","5","2","9","4","1") = "9"
    & skf18("10","8","5","2","9","5","1") = "9"
    & skf18("10","8","5","2","9","6","1") = "9"
    & skf18("10","8","5","2","9","7","1") = "9"
    & skf18("10","8","5","2","9","8","1") = "9"
    & skf18("10","8","5","2","9","9","1") = "9"
    & skf18("10","8","5","2","9","10","1") = "9"
    & skf18("10","8","5","2","10","1","1") = "9"
    & skf18("10","8","5","2","10","2","1") = "9"
    & skf18("10","8","5","2","10","3","1") = "9"
    & skf18("10","8","5","2","10","4","1") = "9"
    & skf18("10","8","5","2","10","5","1") = "9"
    & skf18("10","8","5","2","10","6","1") = "9"
    & skf18("10","8","5","2","10","7","1") = "9"
    & skf18("10","8","5","2","10","8","1") = "9"
    & skf18("10","8","5","2","10","9","1") = "9"
    & skf18("10","8","5","2","10","10","1") = "9"
    & skf18("10","8","5","3","1","1","1") = "9"
    & skf18("10","8","5","3","1","2","1") = "9"
    & skf18("10","8","5","3","1","3","1") = "9"
    & skf18("10","8","5","3","1","4","1") = "9"
    & skf18("10","8","5","3","1","5","1") = "9"
    & skf18("10","8","5","3","1","6","1") = "9"
    & skf18("10","8","5","3","1","7","1") = "9"
    & skf18("10","8","5","3","1","8","1") = "9"
    & skf18("10","8","5","3","1","9","1") = "9"
    & skf18("10","8","5","3","1","10","1") = "9"
    & skf18("10","8","5","3","2","1","1") = "9"
    & skf18("10","8","5","3","2","2","1") = "9"
    & skf18("10","8","5","3","2","3","1") = "9"
    & skf18("10","8","5","3","2","4","1") = "9"
    & skf18("10","8","5","3","2","5","1") = "9"
    & skf18("10","8","5","3","2","6","1") = "9"
    & skf18("10","8","5","3","2","7","1") = "9"
    & skf18("10","8","5","3","2","8","1") = "9"
    & skf18("10","8","5","3","2","9","1") = "9"
    & skf18("10","8","5","3","2","10","1") = "9"
    & skf18("10","8","5","3","3","1","1") = "9"
    & skf18("10","8","5","3","3","2","1") = "9"
    & skf18("10","8","5","3","3","3","1") = "9"
    & skf18("10","8","5","3","3","4","1") = "9"
    & skf18("10","8","5","3","3","5","1") = "9"
    & skf18("10","8","5","3","3","6","1") = "9"
    & skf18("10","8","5","3","3","7","1") = "9"
    & skf18("10","8","5","3","3","8","1") = "9"
    & skf18("10","8","5","3","3","9","1") = "9"
    & skf18("10","8","5","3","3","10","1") = "9"
    & skf18("10","8","5","3","4","1","1") = "9"
    & skf18("10","8","5","3","4","2","1") = "9"
    & skf18("10","8","5","3","4","3","1") = "9"
    & skf18("10","8","5","3","4","4","1") = "9"
    & skf18("10","8","5","3","4","5","1") = "9"
    & skf18("10","8","5","3","4","6","1") = "9"
    & skf18("10","8","5","3","4","7","1") = "9"
    & skf18("10","8","5","3","4","8","1") = "9"
    & skf18("10","8","5","3","4","9","1") = "9"
    & skf18("10","8","5","3","4","10","1") = "9"
    & skf18("10","8","5","3","5","1","1") = "9"
    & skf18("10","8","5","3","5","2","1") = "9"
    & skf18("10","8","5","3","5","3","1") = "9"
    & skf18("10","8","5","3","5","4","1") = "9"
    & skf18("10","8","5","3","5","5","1") = "9"
    & skf18("10","8","5","3","5","6","1") = "9"
    & skf18("10","8","5","3","5","7","1") = "9"
    & skf18("10","8","5","3","5","8","1") = "9"
    & skf18("10","8","5","3","5","9","1") = "9"
    & skf18("10","8","5","3","5","10","1") = "9"
    & skf18("10","8","5","3","6","1","1") = "9"
    & skf18("10","8","5","3","6","2","1") = "9"
    & skf18("10","8","5","3","6","3","1") = "9"
    & skf18("10","8","5","3","6","4","1") = "9"
    & skf18("10","8","5","3","6","5","1") = "9"
    & skf18("10","8","5","3","6","6","1") = "9"
    & skf18("10","8","5","3","6","7","1") = "9"
    & skf18("10","8","5","3","6","8","1") = "9"
    & skf18("10","8","5","3","6","9","1") = "9"
    & skf18("10","8","5","3","6","10","1") = "9"
    & skf18("10","8","5","3","7","1","1") = "9"
    & skf18("10","8","5","3","7","2","1") = "9"
    & skf18("10","8","5","3","7","3","1") = "9"
    & skf18("10","8","5","3","7","4","1") = "9"
    & skf18("10","8","5","3","7","5","1") = "9"
    & skf18("10","8","5","3","7","6","1") = "9"
    & skf18("10","8","5","3","7","7","1") = "9"
    & skf18("10","8","5","3","7","8","1") = "9"
    & skf18("10","8","5","3","7","9","1") = "9"
    & skf18("10","8","5","3","7","10","1") = "9"
    & skf18("10","8","5","3","8","1","1") = "9"
    & skf18("10","8","5","3","8","2","1") = "9"
    & skf18("10","8","5","3","8","3","1") = "9"
    & skf18("10","8","5","3","8","4","1") = "9"
    & skf18("10","8","5","3","8","5","1") = "9"
    & skf18("10","8","5","3","8","6","1") = "9"
    & skf18("10","8","5","3","8","7","1") = "9"
    & skf18("10","8","5","3","8","8","1") = "9"
    & skf18("10","8","5","3","8","9","1") = "9"
    & skf18("10","8","5","3","8","10","1") = "9"
    & skf18("10","8","5","3","9","1","1") = "9"
    & skf18("10","8","5","3","9","2","1") = "9"
    & skf18("10","8","5","3","9","3","1") = "9"
    & skf18("10","8","5","3","9","4","1") = "9"
    & skf18("10","8","5","3","9","5","1") = "9"
    & skf18("10","8","5","3","9","6","1") = "9"
    & skf18("10","8","5","3","9","7","1") = "9"
    & skf18("10","8","5","3","9","8","1") = "9"
    & skf18("10","8","5","3","9","9","1") = "9"
    & skf18("10","8","5","3","9","10","1") = "9"
    & skf18("10","8","5","3","10","1","1") = "9"
    & skf18("10","8","5","3","10","2","1") = "9"
    & skf18("10","8","5","3","10","3","1") = "9"
    & skf18("10","8","5","3","10","4","1") = "9"
    & skf18("10","8","5","3","10","5","1") = "9"
    & skf18("10","8","5","3","10","6","1") = "9"
    & skf18("10","8","5","3","10","7","1") = "9"
    & skf18("10","8","5","3","10","8","1") = "9"
    & skf18("10","8","5","3","10","9","1") = "9"
    & skf18("10","8","5","3","10","10","1") = "9"
    & skf18("10","8","5","4","1","1","1") = "9"
    & skf18("10","8","5","4","1","2","1") = "9"
    & skf18("10","8","5","4","1","3","1") = "9"
    & skf18("10","8","5","4","1","4","1") = "9"
    & skf18("10","8","5","4","1","5","1") = "9"
    & skf18("10","8","5","4","1","6","1") = "9"
    & skf18("10","8","5","4","1","7","1") = "9"
    & skf18("10","8","5","4","1","8","1") = "9"
    & skf18("10","8","5","4","1","9","1") = "9"
    & skf18("10","8","5","4","1","10","1") = "9"
    & skf18("10","8","5","4","2","1","1") = "9"
    & skf18("10","8","5","4","2","2","1") = "9"
    & skf18("10","8","5","4","2","3","1") = "9"
    & skf18("10","8","5","4","2","4","1") = "9"
    & skf18("10","8","5","4","2","5","1") = "9"
    & skf18("10","8","5","4","2","6","1") = "9"
    & skf18("10","8","5","4","2","7","1") = "9"
    & skf18("10","8","5","4","2","8","1") = "9"
    & skf18("10","8","5","4","2","9","1") = "9"
    & skf18("10","8","5","4","2","10","1") = "9"
    & skf18("10","8","5","4","3","1","1") = "9"
    & skf18("10","8","5","4","3","2","1") = "9"
    & skf18("10","8","5","4","3","3","1") = "9"
    & skf18("10","8","5","4","3","4","1") = "9"
    & skf18("10","8","5","4","3","5","1") = "9"
    & skf18("10","8","5","4","3","6","1") = "9"
    & skf18("10","8","5","4","3","7","1") = "9"
    & skf18("10","8","5","4","3","8","1") = "9"
    & skf18("10","8","5","4","3","9","1") = "9"
    & skf18("10","8","5","4","3","10","1") = "9"
    & skf18("10","8","5","4","4","1","1") = "9"
    & skf18("10","8","5","4","4","2","1") = "9"
    & skf18("10","8","5","4","4","3","1") = "9"
    & skf18("10","8","5","4","4","4","1") = "9"
    & skf18("10","8","5","4","4","5","1") = "9"
    & skf18("10","8","5","4","4","6","1") = "9"
    & skf18("10","8","5","4","4","7","1") = "9"
    & skf18("10","8","5","4","4","8","1") = "9"
    & skf18("10","8","5","4","4","9","1") = "9"
    & skf18("10","8","5","4","4","10","1") = "9"
    & skf18("10","8","5","4","5","1","1") = "9"
    & skf18("10","8","5","4","5","2","1") = "9"
    & skf18("10","8","5","4","5","3","1") = "9"
    & skf18("10","8","5","4","5","4","1") = "9"
    & skf18("10","8","5","4","5","5","1") = "9"
    & skf18("10","8","5","4","5","6","1") = "9"
    & skf18("10","8","5","4","5","7","1") = "9"
    & skf18("10","8","5","4","5","8","1") = "9"
    & skf18("10","8","5","4","5","9","1") = "9"
    & skf18("10","8","5","4","5","10","1") = "9"
    & skf18("10","8","5","4","6","1","1") = "9"
    & skf18("10","8","5","4","6","2","1") = "9"
    & skf18("10","8","5","4","6","3","1") = "9"
    & skf18("10","8","5","4","6","4","1") = "9"
    & skf18("10","8","5","4","6","5","1") = "9"
    & skf18("10","8","5","4","6","6","1") = "9"
    & skf18("10","8","5","4","6","7","1") = "9"
    & skf18("10","8","5","4","6","8","1") = "9"
    & skf18("10","8","5","4","6","9","1") = "9"
    & skf18("10","8","5","4","6","10","1") = "9"
    & skf18("10","8","5","4","7","1","1") = "9"
    & skf18("10","8","5","4","7","2","1") = "9"
    & skf18("10","8","5","4","7","3","1") = "9"
    & skf18("10","8","5","4","7","4","1") = "9"
    & skf18("10","8","5","4","7","5","1") = "9"
    & skf18("10","8","5","4","7","6","1") = "9"
    & skf18("10","8","5","4","7","7","1") = "9"
    & skf18("10","8","5","4","7","8","1") = "9"
    & skf18("10","8","5","4","7","9","1") = "9"
    & skf18("10","8","5","4","7","10","1") = "9"
    & skf18("10","8","5","4","8","1","1") = "9"
    & skf18("10","8","5","4","8","2","1") = "9"
    & skf18("10","8","5","4","8","3","1") = "9"
    & skf18("10","8","5","4","8","4","1") = "9"
    & skf18("10","8","5","4","8","5","1") = "9"
    & skf18("10","8","5","4","8","6","1") = "9"
    & skf18("10","8","5","4","8","7","1") = "9"
    & skf18("10","8","5","4","8","8","1") = "9"
    & skf18("10","8","5","4","8","9","1") = "9"
    & skf18("10","8","5","4","8","10","1") = "9"
    & skf18("10","8","5","4","9","1","1") = "9"
    & skf18("10","8","5","4","9","2","1") = "9"
    & skf18("10","8","5","4","9","3","1") = "9"
    & skf18("10","8","5","4","9","4","1") = "9"
    & skf18("10","8","5","4","9","5","1") = "9"
    & skf18("10","8","5","4","9","6","1") = "9"
    & skf18("10","8","5","4","9","7","1") = "9"
    & skf18("10","8","5","4","9","8","1") = "9"
    & skf18("10","8","5","4","9","9","1") = "9"
    & skf18("10","8","5","4","9","10","1") = "9"
    & skf18("10","8","5","4","10","1","1") = "9"
    & skf18("10","8","5","4","10","2","1") = "9"
    & skf18("10","8","5","4","10","3","1") = "9"
    & skf18("10","8","5","4","10","4","1") = "9"
    & skf18("10","8","5","4","10","5","1") = "9"
    & skf18("10","8","5","4","10","6","1") = "9"
    & skf18("10","8","5","4","10","7","1") = "9"
    & skf18("10","8","5","4","10","8","1") = "9"
    & skf18("10","8","5","4","10","9","1") = "9"
    & skf18("10","8","5","4","10","10","1") = "9"
    & skf18("10","8","5","5","1","1","1") = "9"
    & skf18("10","8","5","5","1","2","1") = "9"
    & skf18("10","8","5","5","1","3","1") = "9"
    & skf18("10","8","5","5","1","4","1") = "9"
    & skf18("10","8","5","5","1","5","1") = "9"
    & skf18("10","8","5","5","1","6","1") = "9"
    & skf18("10","8","5","5","1","7","1") = "9"
    & skf18("10","8","5","5","1","8","1") = "9"
    & skf18("10","8","5","5","1","9","1") = "9"
    & skf18("10","8","5","5","1","10","1") = "9"
    & skf18("10","8","5","5","2","1","1") = "9"
    & skf18("10","8","5","5","2","2","1") = "9"
    & skf18("10","8","5","5","2","3","1") = "9"
    & skf18("10","8","5","5","2","4","1") = "9"
    & skf18("10","8","5","5","2","5","1") = "9"
    & skf18("10","8","5","5","2","6","1") = "9"
    & skf18("10","8","5","5","2","7","1") = "9"
    & skf18("10","8","5","5","2","8","1") = "9"
    & skf18("10","8","5","5","2","9","1") = "9"
    & skf18("10","8","5","5","2","10","1") = "9"
    & skf18("10","8","5","5","3","1","1") = "9"
    & skf18("10","8","5","5","3","2","1") = "9"
    & skf18("10","8","5","5","3","3","1") = "9"
    & skf18("10","8","5","5","3","4","1") = "9"
    & skf18("10","8","5","5","3","5","1") = "9"
    & skf18("10","8","5","5","3","6","1") = "9"
    & skf18("10","8","5","5","3","7","1") = "9"
    & skf18("10","8","5","5","3","8","1") = "9"
    & skf18("10","8","5","5","3","9","1") = "9"
    & skf18("10","8","5","5","3","10","1") = "9"
    & skf18("10","8","5","5","4","1","1") = "9"
    & skf18("10","8","5","5","4","2","1") = "9"
    & skf18("10","8","5","5","4","3","1") = "9"
    & skf18("10","8","5","5","4","4","1") = "9"
    & skf18("10","8","5","5","4","5","1") = "9"
    & skf18("10","8","5","5","4","6","1") = "9"
    & skf18("10","8","5","5","4","7","1") = "9"
    & skf18("10","8","5","5","4","8","1") = "9"
    & skf18("10","8","5","5","4","9","1") = "9"
    & skf18("10","8","5","5","4","10","1") = "9"
    & skf18("10","8","5","5","5","1","1") = "9"
    & skf18("10","8","5","5","5","2","1") = "9"
    & skf18("10","8","5","5","5","3","1") = "9"
    & skf18("10","8","5","5","5","4","1") = "9"
    & skf18("10","8","5","5","5","5","1") = "9"
    & skf18("10","8","5","5","5","6","1") = "9"
    & skf18("10","8","5","5","5","7","1") = "9"
    & skf18("10","8","5","5","5","8","1") = "9"
    & skf18("10","8","5","5","5","9","1") = "9"
    & skf18("10","8","5","5","5","10","1") = "9"
    & skf18("10","8","5","5","6","1","1") = "9"
    & skf18("10","8","5","5","6","2","1") = "9"
    & skf18("10","8","5","5","6","3","1") = "9"
    & skf18("10","8","5","5","6","4","1") = "9"
    & skf18("10","8","5","5","6","5","1") = "9"
    & skf18("10","8","5","5","6","6","1") = "9"
    & skf18("10","8","5","5","6","7","1") = "9"
    & skf18("10","8","5","5","6","8","1") = "9"
    & skf18("10","8","5","5","6","9","1") = "9"
    & skf18("10","8","5","5","6","10","1") = "9"
    & skf18("10","8","5","5","7","1","1") = "9"
    & skf18("10","8","5","5","7","2","1") = "9"
    & skf18("10","8","5","5","7","3","1") = "9"
    & skf18("10","8","5","5","7","4","1") = "9"
    & skf18("10","8","5","5","7","5","1") = "9"
    & skf18("10","8","5","5","7","6","1") = "9"
    & skf18("10","8","5","5","7","7","1") = "9"
    & skf18("10","8","5","5","7","8","1") = "9"
    & skf18("10","8","5","5","7","9","1") = "9"
    & skf18("10","8","5","5","7","10","1") = "9"
    & skf18("10","8","5","5","8","1","1") = "9"
    & skf18("10","8","5","5","8","2","1") = "9"
    & skf18("10","8","5","5","8","3","1") = "9"
    & skf18("10","8","5","5","8","4","1") = "9"
    & skf18("10","8","5","5","8","5","1") = "9"
    & skf18("10","8","5","5","8","6","1") = "9"
    & skf18("10","8","5","5","8","7","1") = "9"
    & skf18("10","8","5","5","8","8","1") = "9"
    & skf18("10","8","5","5","8","9","1") = "9"
    & skf18("10","8","5","5","8","10","1") = "9"
    & skf18("10","8","5","5","9","1","1") = "9"
    & skf18("10","8","5","5","9","2","1") = "9"
    & skf18("10","8","5","5","9","3","1") = "9"
    & skf18("10","8","5","5","9","4","1") = "9"
    & skf18("10","8","5","5","9","5","1") = "9"
    & skf18("10","8","5","5","9","6","1") = "9"
    & skf18("10","8","5","5","9","7","1") = "9"
    & skf18("10","8","5","5","9","8","1") = "9"
    & skf18("10","8","5","5","9","9","1") = "9"
    & skf18("10","8","5","5","9","10","1") = "9"
    & skf18("10","8","5","5","10","1","1") = "9"
    & skf18("10","8","5","5","10","2","1") = "9"
    & skf18("10","8","5","5","10","3","1") = "9"
    & skf18("10","8","5","5","10","4","1") = "9"
    & skf18("10","8","5","5","10","5","1") = "9"
    & skf18("10","8","5","5","10","6","1") = "9"
    & skf18("10","8","5","5","10","7","1") = "9"
    & skf18("10","8","5","5","10","8","1") = "9"
    & skf18("10","8","5","5","10","9","1") = "9"
    & skf18("10","8","5","5","10","10","1") = "9"
    & skf18("10","8","5","6","1","1","1") = "9"
    & skf18("10","8","5","6","1","2","1") = "9"
    & skf18("10","8","5","6","1","3","1") = "9"
    & skf18("10","8","5","6","1","4","1") = "9"
    & skf18("10","8","5","6","1","5","1") = "9"
    & skf18("10","8","5","6","1","6","1") = "9"
    & skf18("10","8","5","6","1","7","1") = "9"
    & skf18("10","8","5","6","1","8","1") = "9"
    & skf18("10","8","5","6","1","9","1") = "9"
    & skf18("10","8","5","6","1","10","1") = "9"
    & skf18("10","8","5","6","2","1","1") = "9"
    & skf18("10","8","5","6","2","2","1") = "9"
    & skf18("10","8","5","6","2","3","1") = "9"
    & skf18("10","8","5","6","2","4","1") = "9"
    & skf18("10","8","5","6","2","5","1") = "9"
    & skf18("10","8","5","6","2","6","1") = "9"
    & skf18("10","8","5","6","2","7","1") = "9"
    & skf18("10","8","5","6","2","8","1") = "9"
    & skf18("10","8","5","6","2","9","1") = "9"
    & skf18("10","8","5","6","2","10","1") = "9"
    & skf18("10","8","5","6","3","1","1") = "9"
    & skf18("10","8","5","6","3","2","1") = "9"
    & skf18("10","8","5","6","3","3","1") = "9"
    & skf18("10","8","5","6","3","4","1") = "9"
    & skf18("10","8","5","6","3","5","1") = "9"
    & skf18("10","8","5","6","3","6","1") = "9"
    & skf18("10","8","5","6","3","7","1") = "9"
    & skf18("10","8","5","6","3","8","1") = "9"
    & skf18("10","8","5","6","3","9","1") = "9"
    & skf18("10","8","5","6","3","10","1") = "9"
    & skf18("10","8","5","6","4","1","1") = "9"
    & skf18("10","8","5","6","4","2","1") = "9"
    & skf18("10","8","5","6","4","3","1") = "9"
    & skf18("10","8","5","6","4","4","1") = "9"
    & skf18("10","8","5","6","4","5","1") = "9"
    & skf18("10","8","5","6","4","6","1") = "9"
    & skf18("10","8","5","6","4","7","1") = "9"
    & skf18("10","8","5","6","4","8","1") = "9"
    & skf18("10","8","5","6","4","9","1") = "9"
    & skf18("10","8","5","6","4","10","1") = "9"
    & skf18("10","8","5","6","5","1","1") = "9"
    & skf18("10","8","5","6","5","2","1") = "9"
    & skf18("10","8","5","6","5","3","1") = "9"
    & skf18("10","8","5","6","5","4","1") = "9"
    & skf18("10","8","5","6","5","5","1") = "9"
    & skf18("10","8","5","6","5","6","1") = "9"
    & skf18("10","8","5","6","5","7","1") = "9"
    & skf18("10","8","5","6","5","8","1") = "9"
    & skf18("10","8","5","6","5","9","1") = "9"
    & skf18("10","8","5","6","5","10","1") = "9"
    & skf18("10","8","5","6","6","1","1") = "9"
    & skf18("10","8","5","6","6","2","1") = "9"
    & skf18("10","8","5","6","6","3","1") = "9"
    & skf18("10","8","5","6","6","4","1") = "9"
    & skf18("10","8","5","6","6","5","1") = "9"
    & skf18("10","8","5","6","6","6","1") = "9"
    & skf18("10","8","5","6","6","7","1") = "9"
    & skf18("10","8","5","6","6","8","1") = "9"
    & skf18("10","8","5","6","6","9","1") = "9"
    & skf18("10","8","5","6","6","10","1") = "9"
    & skf18("10","8","5","6","7","1","1") = "9"
    & skf18("10","8","5","6","7","2","1") = "9"
    & skf18("10","8","5","6","7","3","1") = "9"
    & skf18("10","8","5","6","7","4","1") = "9"
    & skf18("10","8","5","6","7","5","1") = "9"
    & skf18("10","8","5","6","7","6","1") = "9"
    & skf18("10","8","5","6","7","7","1") = "9"
    & skf18("10","8","5","6","7","8","1") = "9"
    & skf18("10","8","5","6","7","9","1") = "9"
    & skf18("10","8","5","6","7","10","1") = "9"
    & skf18("10","8","5","6","8","1","1") = "9"
    & skf18("10","8","5","6","8","2","1") = "9"
    & skf18("10","8","5","6","8","3","1") = "9"
    & skf18("10","8","5","6","8","4","1") = "9"
    & skf18("10","8","5","6","8","5","1") = "9"
    & skf18("10","8","5","6","8","6","1") = "9"
    & skf18("10","8","5","6","8","7","1") = "9"
    & skf18("10","8","5","6","8","8","1") = "9"
    & skf18("10","8","5","6","8","9","1") = "9"
    & skf18("10","8","5","6","8","10","1") = "9"
    & skf18("10","8","5","6","9","1","1") = "9"
    & skf18("10","8","5","6","9","2","1") = "9"
    & skf18("10","8","5","6","9","3","1") = "9"
    & skf18("10","8","5","6","9","4","1") = "9"
    & skf18("10","8","5","6","9","5","1") = "9"
    & skf18("10","8","5","6","9","6","1") = "9"
    & skf18("10","8","5","6","9","7","1") = "9"
    & skf18("10","8","5","6","9","8","1") = "9"
    & skf18("10","8","5","6","9","9","1") = "9"
    & skf18("10","8","5","6","9","10","1") = "9"
    & skf18("10","8","5","6","10","1","1") = "9"
    & skf18("10","8","5","6","10","2","1") = "9"
    & skf18("10","8","5","6","10","3","1") = "9"
    & skf18("10","8","5","6","10","4","1") = "9"
    & skf18("10","8","5","6","10","5","1") = "9"
    & skf18("10","8","5","6","10","6","1") = "9"
    & skf18("10","8","5","6","10","7","1") = "9"
    & skf18("10","8","5","6","10","8","1") = "9"
    & skf18("10","8","5","6","10","9","1") = "9"
    & skf18("10","8","5","6","10","10","1") = "9"
    & skf18("10","8","5","7","1","1","1") = "9"
    & skf18("10","8","5","7","1","2","1") = "9"
    & skf18("10","8","5","7","1","3","1") = "9"
    & skf18("10","8","5","7","1","4","1") = "9"
    & skf18("10","8","5","7","1","5","1") = "9"
    & skf18("10","8","5","7","1","6","1") = "9"
    & skf18("10","8","5","7","1","7","1") = "9"
    & skf18("10","8","5","7","1","8","1") = "9"
    & skf18("10","8","5","7","1","9","1") = "9"
    & skf18("10","8","5","7","1","10","1") = "9"
    & skf18("10","8","5","7","2","1","1") = "9"
    & skf18("10","8","5","7","2","2","1") = "9"
    & skf18("10","8","5","7","2","3","1") = "9"
    & skf18("10","8","5","7","2","4","1") = "9"
    & skf18("10","8","5","7","2","5","1") = "9"
    & skf18("10","8","5","7","2","6","1") = "9"
    & skf18("10","8","5","7","2","7","1") = "9"
    & skf18("10","8","5","7","2","8","1") = "9"
    & skf18("10","8","5","7","2","9","1") = "9"
    & skf18("10","8","5","7","2","10","1") = "9"
    & skf18("10","8","5","7","3","1","1") = "9"
    & skf18("10","8","5","7","3","2","1") = "9"
    & skf18("10","8","5","7","3","3","1") = "9"
    & skf18("10","8","5","7","3","4","1") = "9"
    & skf18("10","8","5","7","3","5","1") = "9"
    & skf18("10","8","5","7","3","6","1") = "9"
    & skf18("10","8","5","7","3","7","1") = "9"
    & skf18("10","8","5","7","3","8","1") = "9"
    & skf18("10","8","5","7","3","9","1") = "9"
    & skf18("10","8","5","7","3","10","1") = "9"
    & skf18("10","8","5","7","4","1","1") = "9"
    & skf18("10","8","5","7","4","2","1") = "9"
    & skf18("10","8","5","7","4","3","1") = "9"
    & skf18("10","8","5","7","4","4","1") = "9"
    & skf18("10","8","5","7","4","5","1") = "9"
    & skf18("10","8","5","7","4","6","1") = "9"
    & skf18("10","8","5","7","4","7","1") = "9"
    & skf18("10","8","5","7","4","8","1") = "9"
    & skf18("10","8","5","7","4","9","1") = "9"
    & skf18("10","8","5","7","4","10","1") = "9"
    & skf18("10","8","5","7","5","1","1") = "9"
    & skf18("10","8","5","7","5","2","1") = "9"
    & skf18("10","8","5","7","5","3","1") = "9"
    & skf18("10","8","5","7","5","4","1") = "9"
    & skf18("10","8","5","7","5","5","1") = "9"
    & skf18("10","8","5","7","5","6","1") = "9"
    & skf18("10","8","5","7","5","7","1") = "9"
    & skf18("10","8","5","7","5","8","1") = "9"
    & skf18("10","8","5","7","5","9","1") = "9"
    & skf18("10","8","5","7","5","10","1") = "9"
    & skf18("10","8","5","7","6","1","1") = "9"
    & skf18("10","8","5","7","6","2","1") = "9"
    & skf18("10","8","5","7","6","3","1") = "9"
    & skf18("10","8","5","7","6","4","1") = "9"
    & skf18("10","8","5","7","6","5","1") = "9"
    & skf18("10","8","5","7","6","6","1") = "9"
    & skf18("10","8","5","7","6","7","1") = "9"
    & skf18("10","8","5","7","6","8","1") = "9"
    & skf18("10","8","5","7","6","9","1") = "9"
    & skf18("10","8","5","7","6","10","1") = "9"
    & skf18("10","8","5","7","7","1","1") = "9"
    & skf18("10","8","5","7","7","2","1") = "9"
    & skf18("10","8","5","7","7","3","1") = "9"
    & skf18("10","8","5","7","7","4","1") = "9"
    & skf18("10","8","5","7","7","5","1") = "9"
    & skf18("10","8","5","7","7","6","1") = "9"
    & skf18("10","8","5","7","7","7","1") = "9"
    & skf18("10","8","5","7","7","8","1") = "9"
    & skf18("10","8","5","7","7","9","1") = "9"
    & skf18("10","8","5","7","7","10","1") = "9"
    & skf18("10","8","5","7","8","1","1") = "9"
    & skf18("10","8","5","7","8","2","1") = "9"
    & skf18("10","8","5","7","8","3","1") = "9"
    & skf18("10","8","5","7","8","4","1") = "9"
    & skf18("10","8","5","7","8","5","1") = "9"
    & skf18("10","8","5","7","8","6","1") = "9"
    & skf18("10","8","5","7","8","7","1") = "9"
    & skf18("10","8","5","7","8","8","1") = "9"
    & skf18("10","8","5","7","8","9","1") = "9"
    & skf18("10","8","5","7","8","10","1") = "9"
    & skf18("10","8","5","7","9","1","1") = "9"
    & skf18("10","8","5","7","9","2","1") = "9"
    & skf18("10","8","5","7","9","3","1") = "9"
    & skf18("10","8","5","7","9","4","1") = "9"
    & skf18("10","8","5","7","9","5","1") = "9"
    & skf18("10","8","5","7","9","6","1") = "9"
    & skf18("10","8","5","7","9","7","1") = "9"
    & skf18("10","8","5","7","9","8","1") = "9"
    & skf18("10","8","5","7","9","9","1") = "9"
    & skf18("10","8","5","7","9","10","1") = "9"
    & skf18("10","8","5","7","10","1","1") = "9"
    & skf18("10","8","5","7","10","2","1") = "9"
    & skf18("10","8","5","7","10","3","1") = "9"
    & skf18("10","8","5","7","10","4","1") = "9"
    & skf18("10","8","5","7","10","5","1") = "9"
    & skf18("10","8","5","7","10","6","1") = "9"
    & skf18("10","8","5","7","10","7","1") = "9"
    & skf18("10","8","5","7","10","8","1") = "9"
    & skf18("10","8","5","7","10","9","1") = "9"
    & skf18("10","8","5","7","10","10","1") = "9"
    & skf18("10","8","5","8","1","1","1") = "9"
    & skf18("10","8","5","8","1","2","1") = "9"
    & skf18("10","8","5","8","1","3","1") = "9"
    & skf18("10","8","5","8","1","4","1") = "9"
    & skf18("10","8","5","8","1","5","1") = "9"
    & skf18("10","8","5","8","1","6","1") = "9"
    & skf18("10","8","5","8","1","7","1") = "9"
    & skf18("10","8","5","8","1","8","1") = "9"
    & skf18("10","8","5","8","1","9","1") = "9"
    & skf18("10","8","5","8","1","10","1") = "9"
    & skf18("10","8","5","8","2","1","1") = "9"
    & skf18("10","8","5","8","2","2","1") = "9"
    & skf18("10","8","5","8","2","3","1") = "9"
    & skf18("10","8","5","8","2","4","1") = "9"
    & skf18("10","8","5","8","2","5","1") = "9"
    & skf18("10","8","5","8","2","6","1") = "9"
    & skf18("10","8","5","8","2","7","1") = "9"
    & skf18("10","8","5","8","2","8","1") = "9"
    & skf18("10","8","5","8","2","9","1") = "9"
    & skf18("10","8","5","8","2","10","1") = "9"
    & skf18("10","8","5","8","3","1","1") = "9"
    & skf18("10","8","5","8","3","2","1") = "9"
    & skf18("10","8","5","8","3","3","1") = "9"
    & skf18("10","8","5","8","3","4","1") = "9"
    & skf18("10","8","5","8","3","5","1") = "9"
    & skf18("10","8","5","8","3","6","1") = "9"
    & skf18("10","8","5","8","3","7","1") = "9"
    & skf18("10","8","5","8","3","8","1") = "9"
    & skf18("10","8","5","8","3","9","1") = "9"
    & skf18("10","8","5","8","3","10","1") = "9"
    & skf18("10","8","5","8","4","1","1") = "9"
    & skf18("10","8","5","8","4","2","1") = "9"
    & skf18("10","8","5","8","4","3","1") = "9"
    & skf18("10","8","5","8","4","4","1") = "9"
    & skf18("10","8","5","8","4","5","1") = "9"
    & skf18("10","8","5","8","4","6","1") = "9"
    & skf18("10","8","5","8","4","7","1") = "9"
    & skf18("10","8","5","8","4","8","1") = "9"
    & skf18("10","8","5","8","4","9","1") = "9"
    & skf18("10","8","5","8","4","10","1") = "9"
    & skf18("10","8","5","8","5","1","1") = "9"
    & skf18("10","8","5","8","5","2","1") = "9"
    & skf18("10","8","5","8","5","3","1") = "9"
    & skf18("10","8","5","8","5","4","1") = "9"
    & skf18("10","8","5","8","5","5","1") = "9"
    & skf18("10","8","5","8","5","6","1") = "9"
    & skf18("10","8","5","8","5","7","1") = "9"
    & skf18("10","8","5","8","5","8","1") = "9"
    & skf18("10","8","5","8","5","9","1") = "9"
    & skf18("10","8","5","8","5","10","1") = "9"
    & skf18("10","8","5","8","6","1","1") = "9"
    & skf18("10","8","5","8","6","2","1") = "9"
    & skf18("10","8","5","8","6","3","1") = "9"
    & skf18("10","8","5","8","6","4","1") = "9"
    & skf18("10","8","5","8","6","5","1") = "9"
    & skf18("10","8","5","8","6","6","1") = "9"
    & skf18("10","8","5","8","6","7","1") = "9"
    & skf18("10","8","5","8","6","8","1") = "9"
    & skf18("10","8","5","8","6","9","1") = "9"
    & skf18("10","8","5","8","6","10","1") = "9"
    & skf18("10","8","5","8","7","1","1") = "9"
    & skf18("10","8","5","8","7","2","1") = "9"
    & skf18("10","8","5","8","7","3","1") = "9"
    & skf18("10","8","5","8","7","4","1") = "9"
    & skf18("10","8","5","8","7","5","1") = "9"
    & skf18("10","8","5","8","7","6","1") = "9"
    & skf18("10","8","5","8","7","7","1") = "9"
    & skf18("10","8","5","8","7","8","1") = "9"
    & skf18("10","8","5","8","7","9","1") = "9"
    & skf18("10","8","5","8","7","10","1") = "9"
    & skf18("10","8","5","8","8","1","1") = "9"
    & skf18("10","8","5","8","8","2","1") = "9"
    & skf18("10","8","5","8","8","3","1") = "9"
    & skf18("10","8","5","8","8","4","1") = "9"
    & skf18("10","8","5","8","8","5","1") = "9"
    & skf18("10","8","5","8","8","6","1") = "9"
    & skf18("10","8","5","8","8","7","1") = "9"
    & skf18("10","8","5","8","8","8","1") = "9"
    & skf18("10","8","5","8","8","9","1") = "9"
    & skf18("10","8","5","8","8","10","1") = "9"
    & skf18("10","8","5","8","9","1","1") = "9"
    & skf18("10","8","5","8","9","2","1") = "9"
    & skf18("10","8","5","8","9","3","1") = "9"
    & skf18("10","8","5","8","9","4","1") = "9"
    & skf18("10","8","5","8","9","5","1") = "9"
    & skf18("10","8","5","8","9","6","1") = "9"
    & skf18("10","8","5","8","9","7","1") = "9"
    & skf18("10","8","5","8","9","8","1") = "9"
    & skf18("10","8","5","8","9","9","1") = "9"
    & skf18("10","8","5","8","9","10","1") = "9"
    & skf18("10","8","5","8","10","1","1") = "9"
    & skf18("10","8","5","8","10","2","1") = "9"
    & skf18("10","8","5","8","10","3","1") = "9"
    & skf18("10","8","5","8","10","4","1") = "9"
    & skf18("10","8","5","8","10","5","1") = "9"
    & skf18("10","8","5","8","10","6","1") = "9"
    & skf18("10","8","5","8","10","7","1") = "9"
    & skf18("10","8","5","8","10","8","1") = "9"
    & skf18("10","8","5","8","10","9","1") = "9"
    & skf18("10","8","5","8","10","10","1") = "9"
    & skf18("10","8","5","9","1","1","1") = "9"
    & skf18("10","8","5","9","1","2","1") = "9"
    & skf18("10","8","5","9","1","3","1") = "9"
    & skf18("10","8","5","9","1","4","1") = "9"
    & skf18("10","8","5","9","1","5","1") = "9"
    & skf18("10","8","5","9","1","6","1") = "9"
    & skf18("10","8","5","9","1","7","1") = "9"
    & skf18("10","8","5","9","1","8","1") = "9"
    & skf18("10","8","5","9","1","9","1") = "9"
    & skf18("10","8","5","9","1","10","1") = "9"
    & skf18("10","8","5","9","2","1","1") = "9"
    & skf18("10","8","5","9","2","2","1") = "9"
    & skf18("10","8","5","9","2","3","1") = "9"
    & skf18("10","8","5","9","2","4","1") = "9"
    & skf18("10","8","5","9","2","5","1") = "9"
    & skf18("10","8","5","9","2","6","1") = "9"
    & skf18("10","8","5","9","2","7","1") = "9"
    & skf18("10","8","5","9","2","8","1") = "9"
    & skf18("10","8","5","9","2","9","1") = "9"
    & skf18("10","8","5","9","2","10","1") = "9"
    & skf18("10","8","5","9","3","1","1") = "9"
    & skf18("10","8","5","9","3","2","1") = "9"
    & skf18("10","8","5","9","3","3","1") = "9"
    & skf18("10","8","5","9","3","4","1") = "9"
    & skf18("10","8","5","9","3","5","1") = "9"
    & skf18("10","8","5","9","3","6","1") = "9"
    & skf18("10","8","5","9","3","7","1") = "9"
    & skf18("10","8","5","9","3","8","1") = "9"
    & skf18("10","8","5","9","3","9","1") = "9"
    & skf18("10","8","5","9","3","10","1") = "9"
    & skf18("10","8","5","9","4","1","1") = "9"
    & skf18("10","8","5","9","4","2","1") = "9"
    & skf18("10","8","5","9","4","3","1") = "9"
    & skf18("10","8","5","9","4","4","1") = "9"
    & skf18("10","8","5","9","4","5","1") = "9"
    & skf18("10","8","5","9","4","6","1") = "9"
    & skf18("10","8","5","9","4","7","1") = "9"
    & skf18("10","8","5","9","4","8","1") = "9"
    & skf18("10","8","5","9","4","9","1") = "9"
    & skf18("10","8","5","9","4","10","1") = "9"
    & skf18("10","8","5","9","5","1","1") = "9"
    & skf18("10","8","5","9","5","2","1") = "9"
    & skf18("10","8","5","9","5","3","1") = "9"
    & skf18("10","8","5","9","5","4","1") = "9"
    & skf18("10","8","5","9","5","5","1") = "9"
    & skf18("10","8","5","9","5","6","1") = "9"
    & skf18("10","8","5","9","5","7","1") = "9"
    & skf18("10","8","5","9","5","8","1") = "9"
    & skf18("10","8","5","9","5","9","1") = "9"
    & skf18("10","8","5","9","5","10","1") = "9"
    & skf18("10","8","5","9","6","1","1") = "9"
    & skf18("10","8","5","9","6","2","1") = "9"
    & skf18("10","8","5","9","6","3","1") = "9"
    & skf18("10","8","5","9","6","4","1") = "9"
    & skf18("10","8","5","9","6","5","1") = "9"
    & skf18("10","8","5","9","6","6","1") = "9"
    & skf18("10","8","5","9","6","7","1") = "9"
    & skf18("10","8","5","9","6","8","1") = "9"
    & skf18("10","8","5","9","6","9","1") = "9"
    & skf18("10","8","5","9","6","10","1") = "9"
    & skf18("10","8","5","9","7","1","1") = "9"
    & skf18("10","8","5","9","7","2","1") = "9"
    & skf18("10","8","5","9","7","3","1") = "9"
    & skf18("10","8","5","9","7","4","1") = "9"
    & skf18("10","8","5","9","7","5","1") = "9"
    & skf18("10","8","5","9","7","6","1") = "9"
    & skf18("10","8","5","9","7","7","1") = "9"
    & skf18("10","8","5","9","7","8","1") = "9"
    & skf18("10","8","5","9","7","9","1") = "9"
    & skf18("10","8","5","9","7","10","1") = "9"
    & skf18("10","8","5","9","8","1","1") = "9"
    & skf18("10","8","5","9","8","2","1") = "9"
    & skf18("10","8","5","9","8","3","1") = "9"
    & skf18("10","8","5","9","8","4","1") = "9"
    & skf18("10","8","5","9","8","5","1") = "9"
    & skf18("10","8","5","9","8","6","1") = "9"
    & skf18("10","8","5","9","8","7","1") = "9"
    & skf18("10","8","5","9","8","8","1") = "9"
    & skf18("10","8","5","9","8","9","1") = "9"
    & skf18("10","8","5","9","8","10","1") = "9"
    & skf18("10","8","5","9","9","1","1") = "9"
    & skf18("10","8","5","9","9","2","1") = "9"
    & skf18("10","8","5","9","9","3","1") = "9"
    & skf18("10","8","5","9","9","4","1") = "9"
    & skf18("10","8","5","9","9","5","1") = "9"
    & skf18("10","8","5","9","9","6","1") = "9"
    & skf18("10","8","5","9","9","7","1") = "9"
    & skf18("10","8","5","9","9","8","1") = "9"
    & skf18("10","8","5","9","9","9","1") = "9"
    & skf18("10","8","5","9","9","10","1") = "9"
    & skf18("10","8","5","9","10","1","1") = "9"
    & skf18("10","8","5","9","10","2","1") = "9"
    & skf18("10","8","5","9","10","3","1") = "9"
    & skf18("10","8","5","9","10","4","1") = "9"
    & skf18("10","8","5","9","10","5","1") = "9"
    & skf18("10","8","5","9","10","6","1") = "9"
    & skf18("10","8","5","9","10","7","1") = "9"
    & skf18("10","8","5","9","10","8","1") = "9"
    & skf18("10","8","5","9","10","9","1") = "9"
    & skf18("10","8","5","9","10","10","1") = "9"
    & skf18("10","8","5","10","1","1","1") = "9"
    & skf18("10","8","5","10","1","2","1") = "9"
    & skf18("10","8","5","10","1","3","1") = "9"
    & skf18("10","8","5","10","1","4","1") = "9"
    & skf18("10","8","5","10","1","5","1") = "9"
    & skf18("10","8","5","10","1","6","1") = "9"
    & skf18("10","8","5","10","1","7","1") = "9"
    & skf18("10","8","5","10","1","8","1") = "9"
    & skf18("10","8","5","10","1","9","1") = "9"
    & skf18("10","8","5","10","1","10","1") = "9"
    & skf18("10","8","5","10","2","1","1") = "9"
    & skf18("10","8","5","10","2","2","1") = "9"
    & skf18("10","8","5","10","2","3","1") = "9"
    & skf18("10","8","5","10","2","4","1") = "9"
    & skf18("10","8","5","10","2","5","1") = "9"
    & skf18("10","8","5","10","2","6","1") = "9"
    & skf18("10","8","5","10","2","7","1") = "9"
    & skf18("10","8","5","10","2","8","1") = "9"
    & skf18("10","8","5","10","2","9","1") = "9"
    & skf18("10","8","5","10","2","10","1") = "9"
    & skf18("10","8","5","10","3","1","1") = "9"
    & skf18("10","8","5","10","3","2","1") = "9"
    & skf18("10","8","5","10","3","3","1") = "9"
    & skf18("10","8","5","10","3","4","1") = "9"
    & skf18("10","8","5","10","3","5","1") = "9"
    & skf18("10","8","5","10","3","6","1") = "9"
    & skf18("10","8","5","10","3","7","1") = "9"
    & skf18("10","8","5","10","3","8","1") = "9"
    & skf18("10","8","5","10","3","9","1") = "9"
    & skf18("10","8","5","10","3","10","1") = "9"
    & skf18("10","8","5","10","4","1","1") = "9"
    & skf18("10","8","5","10","4","2","1") = "9"
    & skf18("10","8","5","10","4","3","1") = "9"
    & skf18("10","8","5","10","4","4","1") = "9"
    & skf18("10","8","5","10","4","5","1") = "9"
    & skf18("10","8","5","10","4","6","1") = "9"
    & skf18("10","8","5","10","4","7","1") = "9"
    & skf18("10","8","5","10","4","8","1") = "9"
    & skf18("10","8","5","10","4","9","1") = "9"
    & skf18("10","8","5","10","4","10","1") = "9"
    & skf18("10","8","5","10","5","1","1") = "9"
    & skf18("10","8","5","10","5","2","1") = "9"
    & skf18("10","8","5","10","5","3","1") = "9"
    & skf18("10","8","5","10","5","4","1") = "9"
    & skf18("10","8","5","10","5","5","1") = "9"
    & skf18("10","8","5","10","5","6","1") = "9"
    & skf18("10","8","5","10","5","7","1") = "9"
    & skf18("10","8","5","10","5","8","1") = "9"
    & skf18("10","8","5","10","5","9","1") = "9"
    & skf18("10","8","5","10","5","10","1") = "9"
    & skf18("10","8","5","10","6","1","1") = "9"
    & skf18("10","8","5","10","6","2","1") = "9"
    & skf18("10","8","5","10","6","3","1") = "9"
    & skf18("10","8","5","10","6","4","1") = "9"
    & skf18("10","8","5","10","6","5","1") = "9"
    & skf18("10","8","5","10","6","6","1") = "9"
    & skf18("10","8","5","10","6","7","1") = "9"
    & skf18("10","8","5","10","6","8","1") = "9"
    & skf18("10","8","5","10","6","9","1") = "9"
    & skf18("10","8","5","10","6","10","1") = "9"
    & skf18("10","8","5","10","7","1","1") = "9"
    & skf18("10","8","5","10","7","2","1") = "9"
    & skf18("10","8","5","10","7","3","1") = "9"
    & skf18("10","8","5","10","7","4","1") = "9"
    & skf18("10","8","5","10","7","5","1") = "9"
    & skf18("10","8","5","10","7","6","1") = "9"
    & skf18("10","8","5","10","7","7","1") = "9"
    & skf18("10","8","5","10","7","8","1") = "9"
    & skf18("10","8","5","10","7","9","1") = "9"
    & skf18("10","8","5","10","7","10","1") = "9"
    & skf18("10","8","5","10","8","1","1") = "9"
    & skf18("10","8","5","10","8","2","1") = "9"
    & skf18("10","8","5","10","8","3","1") = "9"
    & skf18("10","8","5","10","8","4","1") = "9"
    & skf18("10","8","5","10","8","5","1") = "9"
    & skf18("10","8","5","10","8","6","1") = "9"
    & skf18("10","8","5","10","8","7","1") = "9"
    & skf18("10","8","5","10","8","8","1") = "9"
    & skf18("10","8","5","10","8","9","1") = "9"
    & skf18("10","8","5","10","8","10","1") = "9"
    & skf18("10","8","5","10","9","1","1") = "9"
    & skf18("10","8","5","10","9","2","1") = "9"
    & skf18("10","8","5","10","9","3","1") = "9"
    & skf18("10","8","5","10","9","4","1") = "9"
    & skf18("10","8","5","10","9","5","1") = "9"
    & skf18("10","8","5","10","9","6","1") = "9"
    & skf18("10","8","5","10","9","7","1") = "9"
    & skf18("10","8","5","10","9","8","1") = "9"
    & skf18("10","8","5","10","9","9","1") = "9"
    & skf18("10","8","5","10","9","10","1") = "9"
    & skf18("10","8","5","10","10","1","1") = "9"
    & skf18("10","8","5","10","10","2","1") = "9"
    & skf18("10","8","5","10","10","3","1") = "9"
    & skf18("10","8","5","10","10","4","1") = "9"
    & skf18("10","8","5","10","10","5","1") = "9"
    & skf18("10","8","5","10","10","6","1") = "9"
    & skf18("10","8","5","10","10","7","1") = "9"
    & skf18("10","8","5","10","10","8","1") = "9"
    & skf18("10","8","5","10","10","9","1") = "9"
    & skf18("10","8","5","10","10","10","1") = "9"
    & skf18("10","8","6","1","1","1","1") = "9"
    & skf18("10","8","6","1","1","2","1") = "9"
    & skf18("10","8","6","1","1","3","1") = "9"
    & skf18("10","8","6","1","1","4","1") = "9"
    & skf18("10","8","6","1","1","5","1") = "9"
    & skf18("10","8","6","1","1","6","1") = "9"
    & skf18("10","8","6","1","1","7","1") = "9"
    & skf18("10","8","6","1","1","8","1") = "9"
    & skf18("10","8","6","1","1","9","1") = "9"
    & skf18("10","8","6","1","1","10","1") = "9"
    & skf18("10","8","6","1","2","1","1") = "9"
    & skf18("10","8","6","1","2","2","1") = "9"
    & skf18("10","8","6","1","2","3","1") = "9"
    & skf18("10","8","6","1","2","4","1") = "9"
    & skf18("10","8","6","1","2","5","1") = "9"
    & skf18("10","8","6","1","2","6","1") = "9"
    & skf18("10","8","6","1","2","7","1") = "9"
    & skf18("10","8","6","1","2","8","1") = "9"
    & skf18("10","8","6","1","2","9","1") = "9"
    & skf18("10","8","6","1","2","10","1") = "9"
    & skf18("10","8","6","1","3","1","1") = "9"
    & skf18("10","8","6","1","3","2","1") = "9"
    & skf18("10","8","6","1","3","3","1") = "9"
    & skf18("10","8","6","1","3","4","1") = "9"
    & skf18("10","8","6","1","3","5","1") = "9"
    & skf18("10","8","6","1","3","6","1") = "9"
    & skf18("10","8","6","1","3","7","1") = "9"
    & skf18("10","8","6","1","3","8","1") = "9"
    & skf18("10","8","6","1","3","9","1") = "9"
    & skf18("10","8","6","1","3","10","1") = "9"
    & skf18("10","8","6","1","4","1","1") = "9"
    & skf18("10","8","6","1","4","2","1") = "9"
    & skf18("10","8","6","1","4","3","1") = "9"
    & skf18("10","8","6","1","4","4","1") = "9"
    & skf18("10","8","6","1","4","5","1") = "9"
    & skf18("10","8","6","1","4","6","1") = "9"
    & skf18("10","8","6","1","4","7","1") = "9"
    & skf18("10","8","6","1","4","8","1") = "9"
    & skf18("10","8","6","1","4","9","1") = "9"
    & skf18("10","8","6","1","4","10","1") = "9"
    & skf18("10","8","6","1","5","1","1") = "9"
    & skf18("10","8","6","1","5","2","1") = "9"
    & skf18("10","8","6","1","5","3","1") = "9"
    & skf18("10","8","6","1","5","4","1") = "9"
    & skf18("10","8","6","1","5","5","1") = "9"
    & skf18("10","8","6","1","5","6","1") = "9"
    & skf18("10","8","6","1","5","7","1") = "9"
    & skf18("10","8","6","1","5","8","1") = "9"
    & skf18("10","8","6","1","5","9","1") = "9"
    & skf18("10","8","6","1","5","10","1") = "9"
    & skf18("10","8","6","1","6","1","1") = "9"
    & skf18("10","8","6","1","6","2","1") = "9"
    & skf18("10","8","6","1","6","3","1") = "9"
    & skf18("10","8","6","1","6","4","1") = "9"
    & skf18("10","8","6","1","6","5","1") = "9"
    & skf18("10","8","6","1","6","6","1") = "9"
    & skf18("10","8","6","1","6","7","1") = "9"
    & skf18("10","8","6","1","6","8","1") = "9"
    & skf18("10","8","6","1","6","9","1") = "9"
    & skf18("10","8","6","1","6","10","1") = "9"
    & skf18("10","8","6","1","7","1","1") = "9"
    & skf18("10","8","6","1","7","2","1") = "9"
    & skf18("10","8","6","1","7","3","1") = "9"
    & skf18("10","8","6","1","7","4","1") = "9"
    & skf18("10","8","6","1","7","5","1") = "9"
    & skf18("10","8","6","1","7","6","1") = "9"
    & skf18("10","8","6","1","7","7","1") = "9"
    & skf18("10","8","6","1","7","8","1") = "9"
    & skf18("10","8","6","1","7","9","1") = "9"
    & skf18("10","8","6","1","7","10","1") = "9"
    & skf18("10","8","6","1","8","1","1") = "9"
    & skf18("10","8","6","1","8","2","1") = "9"
    & skf18("10","8","6","1","8","3","1") = "9"
    & skf18("10","8","6","1","8","4","1") = "9"
    & skf18("10","8","6","1","8","5","1") = "9"
    & skf18("10","8","6","1","8","6","1") = "9"
    & skf18("10","8","6","1","8","7","1") = "9"
    & skf18("10","8","6","1","8","8","1") = "9"
    & skf18("10","8","6","1","8","9","1") = "9"
    & skf18("10","8","6","1","8","10","1") = "9"
    & skf18("10","8","6","1","9","1","1") = "9"
    & skf18("10","8","6","1","9","2","1") = "9"
    & skf18("10","8","6","1","9","3","1") = "9"
    & skf18("10","8","6","1","9","4","1") = "9"
    & skf18("10","8","6","1","9","5","1") = "9"
    & skf18("10","8","6","1","9","6","1") = "9"
    & skf18("10","8","6","1","9","7","1") = "9"
    & skf18("10","8","6","1","9","8","1") = "9"
    & skf18("10","8","6","1","9","9","1") = "9"
    & skf18("10","8","6","1","9","10","1") = "9"
    & skf18("10","8","6","1","10","1","1") = "9"
    & skf18("10","8","6","1","10","2","1") = "9"
    & skf18("10","8","6","1","10","3","1") = "9"
    & skf18("10","8","6","1","10","4","1") = "9"
    & skf18("10","8","6","1","10","5","1") = "9"
    & skf18("10","8","6","1","10","6","1") = "9"
    & skf18("10","8","6","1","10","7","1") = "9"
    & skf18("10","8","6","1","10","8","1") = "9"
    & skf18("10","8","6","1","10","9","1") = "9"
    & skf18("10","8","6","1","10","10","1") = "9"
    & skf18("10","8","6","2","1","1","1") = "9"
    & skf18("10","8","6","2","1","2","1") = "9"
    & skf18("10","8","6","2","1","3","1") = "9"
    & skf18("10","8","6","2","1","4","1") = "9"
    & skf18("10","8","6","2","1","5","1") = "9"
    & skf18("10","8","6","2","1","6","1") = "9"
    & skf18("10","8","6","2","1","7","1") = "9"
    & skf18("10","8","6","2","1","8","1") = "9"
    & skf18("10","8","6","2","1","9","1") = "9"
    & skf18("10","8","6","2","1","10","1") = "9"
    & skf18("10","8","6","2","2","1","1") = "9"
    & skf18("10","8","6","2","2","2","1") = "9"
    & skf18("10","8","6","2","2","3","1") = "9"
    & skf18("10","8","6","2","2","4","1") = "9"
    & skf18("10","8","6","2","2","5","1") = "9"
    & skf18("10","8","6","2","2","6","1") = "9"
    & skf18("10","8","6","2","2","7","1") = "9"
    & skf18("10","8","6","2","2","8","1") = "9"
    & skf18("10","8","6","2","2","9","1") = "9"
    & skf18("10","8","6","2","2","10","1") = "9"
    & skf18("10","8","6","2","3","1","1") = "9"
    & skf18("10","8","6","2","3","2","1") = "9"
    & skf18("10","8","6","2","3","3","1") = "9"
    & skf18("10","8","6","2","3","4","1") = "9"
    & skf18("10","8","6","2","3","5","1") = "9"
    & skf18("10","8","6","2","3","6","1") = "9"
    & skf18("10","8","6","2","3","7","1") = "9"
    & skf18("10","8","6","2","3","8","1") = "9"
    & skf18("10","8","6","2","3","9","1") = "9"
    & skf18("10","8","6","2","3","10","1") = "9"
    & skf18("10","8","6","2","4","1","1") = "9"
    & skf18("10","8","6","2","4","2","1") = "9"
    & skf18("10","8","6","2","4","3","1") = "9"
    & skf18("10","8","6","2","4","4","1") = "9"
    & skf18("10","8","6","2","4","5","1") = "9"
    & skf18("10","8","6","2","4","6","1") = "9"
    & skf18("10","8","6","2","4","7","1") = "9"
    & skf18("10","8","6","2","4","8","1") = "9"
    & skf18("10","8","6","2","4","9","1") = "9"
    & skf18("10","8","6","2","4","10","1") = "9"
    & skf18("10","8","6","2","5","1","1") = "9"
    & skf18("10","8","6","2","5","2","1") = "9"
    & skf18("10","8","6","2","5","3","1") = "9"
    & skf18("10","8","6","2","5","4","1") = "9"
    & skf18("10","8","6","2","5","5","1") = "9"
    & skf18("10","8","6","2","5","6","1") = "9"
    & skf18("10","8","6","2","5","7","1") = "9"
    & skf18("10","8","6","2","5","8","1") = "9"
    & skf18("10","8","6","2","5","9","1") = "9"
    & skf18("10","8","6","2","5","10","1") = "9"
    & skf18("10","8","6","2","6","1","1") = "9"
    & skf18("10","8","6","2","6","2","1") = "9"
    & skf18("10","8","6","2","6","3","1") = "9"
    & skf18("10","8","6","2","6","4","1") = "9"
    & skf18("10","8","6","2","6","5","1") = "9"
    & skf18("10","8","6","2","6","6","1") = "9"
    & skf18("10","8","6","2","6","7","1") = "9"
    & skf18("10","8","6","2","6","8","1") = "9"
    & skf18("10","8","6","2","6","9","1") = "9"
    & skf18("10","8","6","2","6","10","1") = "9"
    & skf18("10","8","6","2","7","1","1") = "9"
    & skf18("10","8","6","2","7","2","1") = "9"
    & skf18("10","8","6","2","7","3","1") = "9"
    & skf18("10","8","6","2","7","4","1") = "9"
    & skf18("10","8","6","2","7","5","1") = "9"
    & skf18("10","8","6","2","7","6","1") = "9"
    & skf18("10","8","6","2","7","7","1") = "9"
    & skf18("10","8","6","2","7","8","1") = "9"
    & skf18("10","8","6","2","7","9","1") = "9"
    & skf18("10","8","6","2","7","10","1") = "9"
    & skf18("10","8","6","2","8","1","1") = "9"
    & skf18("10","8","6","2","8","2","1") = "9"
    & skf18("10","8","6","2","8","3","1") = "9"
    & skf18("10","8","6","2","8","4","1") = "9"
    & skf18("10","8","6","2","8","5","1") = "9"
    & skf18("10","8","6","2","8","6","1") = "9"
    & skf18("10","8","6","2","8","7","1") = "9"
    & skf18("10","8","6","2","8","8","1") = "9"
    & skf18("10","8","6","2","8","9","1") = "9"
    & skf18("10","8","6","2","8","10","1") = "9"
    & skf18("10","8","6","2","9","1","1") = "9"
    & skf18("10","8","6","2","9","2","1") = "9"
    & skf18("10","8","6","2","9","3","1") = "9"
    & skf18("10","8","6","2","9","4","1") = "9"
    & skf18("10","8","6","2","9","5","1") = "9"
    & skf18("10","8","6","2","9","6","1") = "9"
    & skf18("10","8","6","2","9","7","1") = "9"
    & skf18("10","8","6","2","9","8","1") = "9"
    & skf18("10","8","6","2","9","9","1") = "9"
    & skf18("10","8","6","2","9","10","1") = "9"
    & skf18("10","8","6","2","10","1","1") = "9"
    & skf18("10","8","6","2","10","2","1") = "9"
    & skf18("10","8","6","2","10","3","1") = "9"
    & skf18("10","8","6","2","10","4","1") = "9"
    & skf18("10","8","6","2","10","5","1") = "9"
    & skf18("10","8","6","2","10","6","1") = "9"
    & skf18("10","8","6","2","10","7","1") = "9"
    & skf18("10","8","6","2","10","8","1") = "9"
    & skf18("10","8","6","2","10","9","1") = "9"
    & skf18("10","8","6","2","10","10","1") = "9"
    & skf18("10","8","6","3","1","1","1") = "9"
    & skf18("10","8","6","3","1","2","1") = "9"
    & skf18("10","8","6","3","1","3","1") = "9"
    & skf18("10","8","6","3","1","4","1") = "9"
    & skf18("10","8","6","3","1","5","1") = "9"
    & skf18("10","8","6","3","1","6","1") = "9"
    & skf18("10","8","6","3","1","7","1") = "9"
    & skf18("10","8","6","3","1","8","1") = "9"
    & skf18("10","8","6","3","1","9","1") = "9"
    & skf18("10","8","6","3","1","10","1") = "9"
    & skf18("10","8","6","3","2","1","1") = "9"
    & skf18("10","8","6","3","2","2","1") = "9"
    & skf18("10","8","6","3","2","3","1") = "9"
    & skf18("10","8","6","3","2","4","1") = "9"
    & skf18("10","8","6","3","2","5","1") = "9"
    & skf18("10","8","6","3","2","6","1") = "9"
    & skf18("10","8","6","3","2","7","1") = "9"
    & skf18("10","8","6","3","2","8","1") = "9"
    & skf18("10","8","6","3","2","9","1") = "9"
    & skf18("10","8","6","3","2","10","1") = "9"
    & skf18("10","8","6","3","3","1","1") = "9"
    & skf18("10","8","6","3","3","2","1") = "9"
    & skf18("10","8","6","3","3","3","1") = "9"
    & skf18("10","8","6","3","3","4","1") = "9"
    & skf18("10","8","6","3","3","5","1") = "9"
    & skf18("10","8","6","3","3","6","1") = "9"
    & skf18("10","8","6","3","3","7","1") = "9"
    & skf18("10","8","6","3","3","8","1") = "9"
    & skf18("10","8","6","3","3","9","1") = "9"
    & skf18("10","8","6","3","3","10","1") = "9"
    & skf18("10","8","6","3","4","1","1") = "9"
    & skf18("10","8","6","3","4","2","1") = "9"
    & skf18("10","8","6","3","4","3","1") = "9"
    & skf18("10","8","6","3","4","4","1") = "9"
    & skf18("10","8","6","3","4","5","1") = "9"
    & skf18("10","8","6","3","4","6","1") = "9"
    & skf18("10","8","6","3","4","7","1") = "9"
    & skf18("10","8","6","3","4","8","1") = "9"
    & skf18("10","8","6","3","4","9","1") = "9"
    & skf18("10","8","6","3","4","10","1") = "9"
    & skf18("10","8","6","3","5","1","1") = "9"
    & skf18("10","8","6","3","5","2","1") = "9"
    & skf18("10","8","6","3","5","3","1") = "9"
    & skf18("10","8","6","3","5","4","1") = "9"
    & skf18("10","8","6","3","5","5","1") = "9"
    & skf18("10","8","6","3","5","6","1") = "9"
    & skf18("10","8","6","3","5","7","1") = "9"
    & skf18("10","8","6","3","5","8","1") = "9"
    & skf18("10","8","6","3","5","9","1") = "9"
    & skf18("10","8","6","3","5","10","1") = "9"
    & skf18("10","8","6","3","6","1","1") = "9"
    & skf18("10","8","6","3","6","2","1") = "9"
    & skf18("10","8","6","3","6","3","1") = "9"
    & skf18("10","8","6","3","6","4","1") = "9"
    & skf18("10","8","6","3","6","5","1") = "9"
    & skf18("10","8","6","3","6","6","1") = "9"
    & skf18("10","8","6","3","6","7","1") = "9"
    & skf18("10","8","6","3","6","8","1") = "9"
    & skf18("10","8","6","3","6","9","1") = "9"
    & skf18("10","8","6","3","6","10","1") = "9"
    & skf18("10","8","6","3","7","1","1") = "9"
    & skf18("10","8","6","3","7","2","1") = "9"
    & skf18("10","8","6","3","7","3","1") = "9"
    & skf18("10","8","6","3","7","4","1") = "9"
    & skf18("10","8","6","3","7","5","1") = "9"
    & skf18("10","8","6","3","7","6","1") = "9"
    & skf18("10","8","6","3","7","7","1") = "9"
    & skf18("10","8","6","3","7","8","1") = "9"
    & skf18("10","8","6","3","7","9","1") = "9"
    & skf18("10","8","6","3","7","10","1") = "9"
    & skf18("10","8","6","3","8","1","1") = "9"
    & skf18("10","8","6","3","8","2","1") = "9"
    & skf18("10","8","6","3","8","3","1") = "9"
    & skf18("10","8","6","3","8","4","1") = "9"
    & skf18("10","8","6","3","8","5","1") = "9"
    & skf18("10","8","6","3","8","6","1") = "9"
    & skf18("10","8","6","3","8","7","1") = "9"
    & skf18("10","8","6","3","8","8","1") = "9"
    & skf18("10","8","6","3","8","9","1") = "9"
    & skf18("10","8","6","3","8","10","1") = "9"
    & skf18("10","8","6","3","9","1","1") = "9"
    & skf18("10","8","6","3","9","2","1") = "9"
    & skf18("10","8","6","3","9","3","1") = "9"
    & skf18("10","8","6","3","9","4","1") = "9"
    & skf18("10","8","6","3","9","5","1") = "9"
    & skf18("10","8","6","3","9","6","1") = "9"
    & skf18("10","8","6","3","9","7","1") = "9"
    & skf18("10","8","6","3","9","8","1") = "9"
    & skf18("10","8","6","3","9","9","1") = "9"
    & skf18("10","8","6","3","9","10","1") = "9"
    & skf18("10","8","6","3","10","1","1") = "9"
    & skf18("10","8","6","3","10","2","1") = "9"
    & skf18("10","8","6","3","10","3","1") = "9"
    & skf18("10","8","6","3","10","4","1") = "9"
    & skf18("10","8","6","3","10","5","1") = "9"
    & skf18("10","8","6","3","10","6","1") = "9"
    & skf18("10","8","6","3","10","7","1") = "9"
    & skf18("10","8","6","3","10","8","1") = "9"
    & skf18("10","8","6","3","10","9","1") = "9"
    & skf18("10","8","6","3","10","10","1") = "9"
    & skf18("10","8","6","4","1","1","1") = "9"
    & skf18("10","8","6","4","1","2","1") = "9"
    & skf18("10","8","6","4","1","3","1") = "9"
    & skf18("10","8","6","4","1","4","1") = "9"
    & skf18("10","8","6","4","1","5","1") = "9"
    & skf18("10","8","6","4","1","6","1") = "9"
    & skf18("10","8","6","4","1","7","1") = "9"
    & skf18("10","8","6","4","1","8","1") = "9"
    & skf18("10","8","6","4","1","9","1") = "9"
    & skf18("10","8","6","4","1","10","1") = "9"
    & skf18("10","8","6","4","2","1","1") = "9"
    & skf18("10","8","6","4","2","2","1") = "9"
    & skf18("10","8","6","4","2","3","1") = "9"
    & skf18("10","8","6","4","2","4","1") = "9"
    & skf18("10","8","6","4","2","5","1") = "9"
    & skf18("10","8","6","4","2","6","1") = "9"
    & skf18("10","8","6","4","2","7","1") = "9"
    & skf18("10","8","6","4","2","8","1") = "9"
    & skf18("10","8","6","4","2","9","1") = "9"
    & skf18("10","8","6","4","2","10","1") = "9"
    & skf18("10","8","6","4","3","1","1") = "9"
    & skf18("10","8","6","4","3","2","1") = "9"
    & skf18("10","8","6","4","3","3","1") = "9"
    & skf18("10","8","6","4","3","4","1") = "9"
    & skf18("10","8","6","4","3","5","1") = "9"
    & skf18("10","8","6","4","3","6","1") = "9"
    & skf18("10","8","6","4","3","7","1") = "9"
    & skf18("10","8","6","4","3","8","1") = "9"
    & skf18("10","8","6","4","3","9","1") = "9"
    & skf18("10","8","6","4","3","10","1") = "9"
    & skf18("10","8","6","4","4","1","1") = "9"
    & skf18("10","8","6","4","4","2","1") = "9"
    & skf18("10","8","6","4","4","3","1") = "9"
    & skf18("10","8","6","4","4","4","1") = "9"
    & skf18("10","8","6","4","4","5","1") = "9"
    & skf18("10","8","6","4","4","6","1") = "9"
    & skf18("10","8","6","4","4","7","1") = "9"
    & skf18("10","8","6","4","4","8","1") = "9"
    & skf18("10","8","6","4","4","9","1") = "9"
    & skf18("10","8","6","4","4","10","1") = "9"
    & skf18("10","8","6","4","5","1","1") = "9"
    & skf18("10","8","6","4","5","2","1") = "9"
    & skf18("10","8","6","4","5","3","1") = "9"
    & skf18("10","8","6","4","5","4","1") = "9"
    & skf18("10","8","6","4","5","5","1") = "9"
    & skf18("10","8","6","4","5","6","1") = "9"
    & skf18("10","8","6","4","5","7","1") = "9"
    & skf18("10","8","6","4","5","8","1") = "9"
    & skf18("10","8","6","4","5","9","1") = "9"
    & skf18("10","8","6","4","5","10","1") = "9"
    & skf18("10","8","6","4","6","1","1") = "9"
    & skf18("10","8","6","4","6","2","1") = "9"
    & skf18("10","8","6","4","6","3","1") = "9"
    & skf18("10","8","6","4","6","4","1") = "9"
    & skf18("10","8","6","4","6","5","1") = "9"
    & skf18("10","8","6","4","6","6","1") = "9"
    & skf18("10","8","6","4","6","7","1") = "9"
    & skf18("10","8","6","4","6","8","1") = "9"
    & skf18("10","8","6","4","6","9","1") = "9"
    & skf18("10","8","6","4","6","10","1") = "9"
    & skf18("10","8","6","4","7","1","1") = "9"
    & skf18("10","8","6","4","7","2","1") = "9"
    & skf18("10","8","6","4","7","3","1") = "9"
    & skf18("10","8","6","4","7","4","1") = "9"
    & skf18("10","8","6","4","7","5","1") = "9"
    & skf18("10","8","6","4","7","6","1") = "9"
    & skf18("10","8","6","4","7","7","1") = "9"
    & skf18("10","8","6","4","7","8","1") = "9"
    & skf18("10","8","6","4","7","9","1") = "9"
    & skf18("10","8","6","4","7","10","1") = "9"
    & skf18("10","8","6","4","8","1","1") = "9"
    & skf18("10","8","6","4","8","2","1") = "9"
    & skf18("10","8","6","4","8","3","1") = "9"
    & skf18("10","8","6","4","8","4","1") = "9"
    & skf18("10","8","6","4","8","5","1") = "9"
    & skf18("10","8","6","4","8","6","1") = "9"
    & skf18("10","8","6","4","8","7","1") = "9"
    & skf18("10","8","6","4","8","8","1") = "9"
    & skf18("10","8","6","4","8","9","1") = "9"
    & skf18("10","8","6","4","8","10","1") = "9"
    & skf18("10","8","6","4","9","1","1") = "9"
    & skf18("10","8","6","4","9","2","1") = "9"
    & skf18("10","8","6","4","9","3","1") = "9"
    & skf18("10","8","6","4","9","4","1") = "9"
    & skf18("10","8","6","4","9","5","1") = "9"
    & skf18("10","8","6","4","9","6","1") = "9"
    & skf18("10","8","6","4","9","7","1") = "9"
    & skf18("10","8","6","4","9","8","1") = "9"
    & skf18("10","8","6","4","9","9","1") = "9"
    & skf18("10","8","6","4","9","10","1") = "9"
    & skf18("10","8","6","4","10","1","1") = "9"
    & skf18("10","8","6","4","10","2","1") = "9"
    & skf18("10","8","6","4","10","3","1") = "9"
    & skf18("10","8","6","4","10","4","1") = "9"
    & skf18("10","8","6","4","10","5","1") = "9"
    & skf18("10","8","6","4","10","6","1") = "9"
    & skf18("10","8","6","4","10","7","1") = "9"
    & skf18("10","8","6","4","10","8","1") = "9"
    & skf18("10","8","6","4","10","9","1") = "9"
    & skf18("10","8","6","4","10","10","1") = "9"
    & skf18("10","8","6","5","1","1","1") = "9"
    & skf18("10","8","6","5","1","2","1") = "9"
    & skf18("10","8","6","5","1","3","1") = "9"
    & skf18("10","8","6","5","1","4","1") = "9"
    & skf18("10","8","6","5","1","5","1") = "9"
    & skf18("10","8","6","5","1","6","1") = "9"
    & skf18("10","8","6","5","1","7","1") = "9"
    & skf18("10","8","6","5","1","8","1") = "9"
    & skf18("10","8","6","5","1","9","1") = "9"
    & skf18("10","8","6","5","1","10","1") = "9"
    & skf18("10","8","6","5","2","1","1") = "9"
    & skf18("10","8","6","5","2","2","1") = "9"
    & skf18("10","8","6","5","2","3","1") = "9"
    & skf18("10","8","6","5","2","4","1") = "9"
    & skf18("10","8","6","5","2","5","1") = "9"
    & skf18("10","8","6","5","2","6","1") = "9"
    & skf18("10","8","6","5","2","7","1") = "9"
    & skf18("10","8","6","5","2","8","1") = "9"
    & skf18("10","8","6","5","2","9","1") = "9"
    & skf18("10","8","6","5","2","10","1") = "9"
    & skf18("10","8","6","5","3","1","1") = "9"
    & skf18("10","8","6","5","3","2","1") = "9"
    & skf18("10","8","6","5","3","3","1") = "9"
    & skf18("10","8","6","5","3","4","1") = "9"
    & skf18("10","8","6","5","3","5","1") = "9"
    & skf18("10","8","6","5","3","6","1") = "9"
    & skf18("10","8","6","5","3","7","1") = "9"
    & skf18("10","8","6","5","3","8","1") = "9"
    & skf18("10","8","6","5","3","9","1") = "9"
    & skf18("10","8","6","5","3","10","1") = "9"
    & skf18("10","8","6","5","4","1","1") = "9"
    & skf18("10","8","6","5","4","2","1") = "9"
    & skf18("10","8","6","5","4","3","1") = "9"
    & skf18("10","8","6","5","4","4","1") = "9"
    & skf18("10","8","6","5","4","5","1") = "9"
    & skf18("10","8","6","5","4","6","1") = "9"
    & skf18("10","8","6","5","4","7","1") = "9"
    & skf18("10","8","6","5","4","8","1") = "9"
    & skf18("10","8","6","5","4","9","1") = "9"
    & skf18("10","8","6","5","4","10","1") = "9"
    & skf18("10","8","6","5","5","1","1") = "9"
    & skf18("10","8","6","5","5","2","1") = "9"
    & skf18("10","8","6","5","5","3","1") = "9"
    & skf18("10","8","6","5","5","4","1") = "9"
    & skf18("10","8","6","5","5","5","1") = "9"
    & skf18("10","8","6","5","5","6","1") = "9"
    & skf18("10","8","6","5","5","7","1") = "9"
    & skf18("10","8","6","5","5","8","1") = "9"
    & skf18("10","8","6","5","5","9","1") = "9"
    & skf18("10","8","6","5","5","10","1") = "9"
    & skf18("10","8","6","5","6","1","1") = "9"
    & skf18("10","8","6","5","6","2","1") = "9"
    & skf18("10","8","6","5","6","3","1") = "9"
    & skf18("10","8","6","5","6","4","1") = "9"
    & skf18("10","8","6","5","6","5","1") = "9"
    & skf18("10","8","6","5","6","6","1") = "9"
    & skf18("10","8","6","5","6","7","1") = "9"
    & skf18("10","8","6","5","6","8","1") = "9"
    & skf18("10","8","6","5","6","9","1") = "9"
    & skf18("10","8","6","5","6","10","1") = "9"
    & skf18("10","8","6","5","7","1","1") = "9"
    & skf18("10","8","6","5","7","2","1") = "9"
    & skf18("10","8","6","5","7","3","1") = "9"
    & skf18("10","8","6","5","7","4","1") = "9"
    & skf18("10","8","6","5","7","5","1") = "9"
    & skf18("10","8","6","5","7","6","1") = "9"
    & skf18("10","8","6","5","7","7","1") = "9"
    & skf18("10","8","6","5","7","8","1") = "9"
    & skf18("10","8","6","5","7","9","1") = "9"
    & skf18("10","8","6","5","7","10","1") = "9"
    & skf18("10","8","6","5","8","1","1") = "9"
    & skf18("10","8","6","5","8","2","1") = "9"
    & skf18("10","8","6","5","8","3","1") = "9"
    & skf18("10","8","6","5","8","4","1") = "9"
    & skf18("10","8","6","5","8","5","1") = "9"
    & skf18("10","8","6","5","8","6","1") = "9"
    & skf18("10","8","6","5","8","7","1") = "9"
    & skf18("10","8","6","5","8","8","1") = "9"
    & skf18("10","8","6","5","8","9","1") = "9"
    & skf18("10","8","6","5","8","10","1") = "9"
    & skf18("10","8","6","5","9","1","1") = "9"
    & skf18("10","8","6","5","9","2","1") = "9"
    & skf18("10","8","6","5","9","3","1") = "9"
    & skf18("10","8","6","5","9","4","1") = "9"
    & skf18("10","8","6","5","9","5","1") = "9"
    & skf18("10","8","6","5","9","6","1") = "9"
    & skf18("10","8","6","5","9","7","1") = "9"
    & skf18("10","8","6","5","9","8","1") = "9"
    & skf18("10","8","6","5","9","9","1") = "9"
    & skf18("10","8","6","5","9","10","1") = "9"
    & skf18("10","8","6","5","10","1","1") = "9"
    & skf18("10","8","6","5","10","2","1") = "9"
    & skf18("10","8","6","5","10","3","1") = "9"
    & skf18("10","8","6","5","10","4","1") = "9"
    & skf18("10","8","6","5","10","5","1") = "9"
    & skf18("10","8","6","5","10","6","1") = "9"
    & skf18("10","8","6","5","10","7","1") = "9"
    & skf18("10","8","6","5","10","8","1") = "9"
    & skf18("10","8","6","5","10","9","1") = "9"
    & skf18("10","8","6","5","10","10","1") = "9"
    & skf18("10","8","6","6","1","1","1") = "9"
    & skf18("10","8","6","6","1","2","1") = "9"
    & skf18("10","8","6","6","1","3","1") = "9"
    & skf18("10","8","6","6","1","4","1") = "9"
    & skf18("10","8","6","6","1","5","1") = "9"
    & skf18("10","8","6","6","1","6","1") = "9"
    & skf18("10","8","6","6","1","7","1") = "9"
    & skf18("10","8","6","6","1","8","1") = "9"
    & skf18("10","8","6","6","1","9","1") = "9"
    & skf18("10","8","6","6","1","10","1") = "9"
    & skf18("10","8","6","6","2","1","1") = "9"
    & skf18("10","8","6","6","2","2","1") = "9"
    & skf18("10","8","6","6","2","3","1") = "9"
    & skf18("10","8","6","6","2","4","1") = "9"
    & skf18("10","8","6","6","2","5","1") = "9"
    & skf18("10","8","6","6","2","6","1") = "9"
    & skf18("10","8","6","6","2","7","1") = "9"
    & skf18("10","8","6","6","2","8","1") = "9"
    & skf18("10","8","6","6","2","9","1") = "9"
    & skf18("10","8","6","6","2","10","1") = "9"
    & skf18("10","8","6","6","3","1","1") = "9"
    & skf18("10","8","6","6","3","2","1") = "9"
    & skf18("10","8","6","6","3","3","1") = "9"
    & skf18("10","8","6","6","3","4","1") = "9"
    & skf18("10","8","6","6","3","5","1") = "9"
    & skf18("10","8","6","6","3","6","1") = "9"
    & skf18("10","8","6","6","3","7","1") = "9"
    & skf18("10","8","6","6","3","8","1") = "9"
    & skf18("10","8","6","6","3","9","1") = "9"
    & skf18("10","8","6","6","3","10","1") = "9"
    & skf18("10","8","6","6","4","1","1") = "9"
    & skf18("10","8","6","6","4","2","1") = "9"
    & skf18("10","8","6","6","4","3","1") = "9"
    & skf18("10","8","6","6","4","4","1") = "9"
    & skf18("10","8","6","6","4","5","1") = "9"
    & skf18("10","8","6","6","4","6","1") = "9"
    & skf18("10","8","6","6","4","7","1") = "9"
    & skf18("10","8","6","6","4","8","1") = "9"
    & skf18("10","8","6","6","4","9","1") = "9"
    & skf18("10","8","6","6","4","10","1") = "9"
    & skf18("10","8","6","6","5","1","1") = "9"
    & skf18("10","8","6","6","5","2","1") = "9"
    & skf18("10","8","6","6","5","3","1") = "9"
    & skf18("10","8","6","6","5","4","1") = "9"
    & skf18("10","8","6","6","5","5","1") = "9"
    & skf18("10","8","6","6","5","6","1") = "9"
    & skf18("10","8","6","6","5","7","1") = "9"
    & skf18("10","8","6","6","5","8","1") = "9"
    & skf18("10","8","6","6","5","9","1") = "9"
    & skf18("10","8","6","6","5","10","1") = "9"
    & skf18("10","8","6","6","6","1","1") = "9"
    & skf18("10","8","6","6","6","2","1") = "9"
    & skf18("10","8","6","6","6","3","1") = "9"
    & skf18("10","8","6","6","6","4","1") = "9"
    & skf18("10","8","6","6","6","5","1") = "9"
    & skf18("10","8","6","6","6","6","1") = "9"
    & skf18("10","8","6","6","6","7","1") = "9"
    & skf18("10","8","6","6","6","8","1") = "9"
    & skf18("10","8","6","6","6","9","1") = "9"
    & skf18("10","8","6","6","6","10","1") = "9"
    & skf18("10","8","6","6","7","1","1") = "9"
    & skf18("10","8","6","6","7","2","1") = "9"
    & skf18("10","8","6","6","7","3","1") = "9"
    & skf18("10","8","6","6","7","4","1") = "9"
    & skf18("10","8","6","6","7","5","1") = "9"
    & skf18("10","8","6","6","7","6","1") = "9"
    & skf18("10","8","6","6","7","7","1") = "9"
    & skf18("10","8","6","6","7","8","1") = "9"
    & skf18("10","8","6","6","7","9","1") = "9"
    & skf18("10","8","6","6","7","10","1") = "9"
    & skf18("10","8","6","6","8","1","1") = "9"
    & skf18("10","8","6","6","8","2","1") = "9"
    & skf18("10","8","6","6","8","3","1") = "9"
    & skf18("10","8","6","6","8","4","1") = "9"
    & skf18("10","8","6","6","8","5","1") = "9"
    & skf18("10","8","6","6","8","6","1") = "9"
    & skf18("10","8","6","6","8","7","1") = "9"
    & skf18("10","8","6","6","8","8","1") = "9"
    & skf18("10","8","6","6","8","9","1") = "9"
    & skf18("10","8","6","6","8","10","1") = "9"
    & skf18("10","8","6","6","9","1","1") = "9"
    & skf18("10","8","6","6","9","2","1") = "9"
    & skf18("10","8","6","6","9","3","1") = "9"
    & skf18("10","8","6","6","9","4","1") = "9"
    & skf18("10","8","6","6","9","5","1") = "9"
    & skf18("10","8","6","6","9","6","1") = "9"
    & skf18("10","8","6","6","9","7","1") = "9"
    & skf18("10","8","6","6","9","8","1") = "9"
    & skf18("10","8","6","6","9","9","1") = "9"
    & skf18("10","8","6","6","9","10","1") = "9"
    & skf18("10","8","6","6","10","1","1") = "9"
    & skf18("10","8","6","6","10","2","1") = "9"
    & skf18("10","8","6","6","10","3","1") = "9"
    & skf18("10","8","6","6","10","4","1") = "9"
    & skf18("10","8","6","6","10","5","1") = "9"
    & skf18("10","8","6","6","10","6","1") = "9"
    & skf18("10","8","6","6","10","7","1") = "9"
    & skf18("10","8","6","6","10","8","1") = "9"
    & skf18("10","8","6","6","10","9","1") = "9"
    & skf18("10","8","6","6","10","10","1") = "9"
    & skf18("10","8","6","7","1","1","1") = "9"
    & skf18("10","8","6","7","1","2","1") = "9"
    & skf18("10","8","6","7","1","3","1") = "9"
    & skf18("10","8","6","7","1","4","1") = "9"
    & skf18("10","8","6","7","1","5","1") = "9"
    & skf18("10","8","6","7","1","6","1") = "9"
    & skf18("10","8","6","7","1","7","1") = "9"
    & skf18("10","8","6","7","1","8","1") = "9"
    & skf18("10","8","6","7","1","9","1") = "9"
    & skf18("10","8","6","7","1","10","1") = "9"
    & skf18("10","8","6","7","2","1","1") = "9"
    & skf18("10","8","6","7","2","2","1") = "9"
    & skf18("10","8","6","7","2","3","1") = "9"
    & skf18("10","8","6","7","2","4","1") = "9"
    & skf18("10","8","6","7","2","5","1") = "9"
    & skf18("10","8","6","7","2","6","1") = "9"
    & skf18("10","8","6","7","2","7","1") = "9"
    & skf18("10","8","6","7","2","8","1") = "9"
    & skf18("10","8","6","7","2","9","1") = "9"
    & skf18("10","8","6","7","2","10","1") = "9"
    & skf18("10","8","6","7","3","1","1") = "9"
    & skf18("10","8","6","7","3","2","1") = "9"
    & skf18("10","8","6","7","3","3","1") = "9"
    & skf18("10","8","6","7","3","4","1") = "9"
    & skf18("10","8","6","7","3","5","1") = "9"
    & skf18("10","8","6","7","3","6","1") = "9"
    & skf18("10","8","6","7","3","7","1") = "9"
    & skf18("10","8","6","7","3","8","1") = "9"
    & skf18("10","8","6","7","3","9","1") = "9"
    & skf18("10","8","6","7","3","10","1") = "9"
    & skf18("10","8","6","7","4","1","1") = "9"
    & skf18("10","8","6","7","4","2","1") = "9"
    & skf18("10","8","6","7","4","3","1") = "9"
    & skf18("10","8","6","7","4","4","1") = "9"
    & skf18("10","8","6","7","4","5","1") = "9"
    & skf18("10","8","6","7","4","6","1") = "9"
    & skf18("10","8","6","7","4","7","1") = "9"
    & skf18("10","8","6","7","4","8","1") = "9"
    & skf18("10","8","6","7","4","9","1") = "9"
    & skf18("10","8","6","7","4","10","1") = "9"
    & skf18("10","8","6","7","5","1","1") = "9"
    & skf18("10","8","6","7","5","2","1") = "9"
    & skf18("10","8","6","7","5","3","1") = "9"
    & skf18("10","8","6","7","5","4","1") = "9"
    & skf18("10","8","6","7","5","5","1") = "9"
    & skf18("10","8","6","7","5","6","1") = "9"
    & skf18("10","8","6","7","5","7","1") = "9"
    & skf18("10","8","6","7","5","8","1") = "9"
    & skf18("10","8","6","7","5","9","1") = "9"
    & skf18("10","8","6","7","5","10","1") = "9"
    & skf18("10","8","6","7","6","1","1") = "9"
    & skf18("10","8","6","7","6","2","1") = "9"
    & skf18("10","8","6","7","6","3","1") = "9"
    & skf18("10","8","6","7","6","4","1") = "9"
    & skf18("10","8","6","7","6","5","1") = "9"
    & skf18("10","8","6","7","6","6","1") = "9"
    & skf18("10","8","6","7","6","7","1") = "9"
    & skf18("10","8","6","7","6","8","1") = "9"
    & skf18("10","8","6","7","6","9","1") = "9"
    & skf18("10","8","6","7","6","10","1") = "9"
    & skf18("10","8","6","7","7","1","1") = "9"
    & skf18("10","8","6","7","7","2","1") = "9"
    & skf18("10","8","6","7","7","3","1") = "9"
    & skf18("10","8","6","7","7","4","1") = "9"
    & skf18("10","8","6","7","7","5","1") = "9"
    & skf18("10","8","6","7","7","6","1") = "9"
    & skf18("10","8","6","7","7","7","1") = "9"
    & skf18("10","8","6","7","7","8","1") = "9"
    & skf18("10","8","6","7","7","9","1") = "9"
    & skf18("10","8","6","7","7","10","1") = "9"
    & skf18("10","8","6","7","8","1","1") = "9"
    & skf18("10","8","6","7","8","2","1") = "9"
    & skf18("10","8","6","7","8","3","1") = "9"
    & skf18("10","8","6","7","8","4","1") = "9"
    & skf18("10","8","6","7","8","5","1") = "9"
    & skf18("10","8","6","7","8","6","1") = "9"
    & skf18("10","8","6","7","8","7","1") = "9"
    & skf18("10","8","6","7","8","8","1") = "9"
    & skf18("10","8","6","7","8","9","1") = "9"
    & skf18("10","8","6","7","8","10","1") = "9"
    & skf18("10","8","6","7","9","1","1") = "9"
    & skf18("10","8","6","7","9","2","1") = "9"
    & skf18("10","8","6","7","9","3","1") = "9"
    & skf18("10","8","6","7","9","4","1") = "9"
    & skf18("10","8","6","7","9","5","1") = "9"
    & skf18("10","8","6","7","9","6","1") = "9"
    & skf18("10","8","6","7","9","7","1") = "9"
    & skf18("10","8","6","7","9","8","1") = "9"
    & skf18("10","8","6","7","9","9","1") = "9"
    & skf18("10","8","6","7","9","10","1") = "9"
    & skf18("10","8","6","7","10","1","1") = "9"
    & skf18("10","8","6","7","10","2","1") = "9"
    & skf18("10","8","6","7","10","3","1") = "9"
    & skf18("10","8","6","7","10","4","1") = "9"
    & skf18("10","8","6","7","10","5","1") = "9"
    & skf18("10","8","6","7","10","6","1") = "9"
    & skf18("10","8","6","7","10","7","1") = "9"
    & skf18("10","8","6","7","10","8","1") = "9"
    & skf18("10","8","6","7","10","9","1") = "9"
    & skf18("10","8","6","7","10","10","1") = "9"
    & skf18("10","8","6","8","1","1","1") = "9"
    & skf18("10","8","6","8","1","2","1") = "9"
    & skf18("10","8","6","8","1","3","1") = "9"
    & skf18("10","8","6","8","1","4","1") = "9"
    & skf18("10","8","6","8","1","5","1") = "9"
    & skf18("10","8","6","8","1","6","1") = "9"
    & skf18("10","8","6","8","1","7","1") = "9"
    & skf18("10","8","6","8","1","8","1") = "9"
    & skf18("10","8","6","8","1","9","1") = "9"
    & skf18("10","8","6","8","1","10","1") = "9"
    & skf18("10","8","6","8","2","1","1") = "9"
    & skf18("10","8","6","8","2","2","1") = "9"
    & skf18("10","8","6","8","2","3","1") = "9"
    & skf18("10","8","6","8","2","4","1") = "9"
    & skf18("10","8","6","8","2","5","1") = "9"
    & skf18("10","8","6","8","2","6","1") = "9"
    & skf18("10","8","6","8","2","7","1") = "9"
    & skf18("10","8","6","8","2","8","1") = "9"
    & skf18("10","8","6","8","2","9","1") = "9"
    & skf18("10","8","6","8","2","10","1") = "9"
    & skf18("10","8","6","8","3","1","1") = "9"
    & skf18("10","8","6","8","3","2","1") = "9"
    & skf18("10","8","6","8","3","3","1") = "9"
    & skf18("10","8","6","8","3","4","1") = "9"
    & skf18("10","8","6","8","3","5","1") = "9"
    & skf18("10","8","6","8","3","6","1") = "9"
    & skf18("10","8","6","8","3","7","1") = "9"
    & skf18("10","8","6","8","3","8","1") = "9"
    & skf18("10","8","6","8","3","9","1") = "9"
    & skf18("10","8","6","8","3","10","1") = "9"
    & skf18("10","8","6","8","4","1","1") = "9"
    & skf18("10","8","6","8","4","2","1") = "9"
    & skf18("10","8","6","8","4","3","1") = "9"
    & skf18("10","8","6","8","4","4","1") = "9"
    & skf18("10","8","6","8","4","5","1") = "9"
    & skf18("10","8","6","8","4","6","1") = "9"
    & skf18("10","8","6","8","4","7","1") = "9"
    & skf18("10","8","6","8","4","8","1") = "9"
    & skf18("10","8","6","8","4","9","1") = "9"
    & skf18("10","8","6","8","4","10","1") = "9"
    & skf18("10","8","6","8","5","1","1") = "9"
    & skf18("10","8","6","8","5","2","1") = "9"
    & skf18("10","8","6","8","5","3","1") = "9"
    & skf18("10","8","6","8","5","4","1") = "9"
    & skf18("10","8","6","8","5","5","1") = "9"
    & skf18("10","8","6","8","5","6","1") = "9"
    & skf18("10","8","6","8","5","7","1") = "9"
    & skf18("10","8","6","8","5","8","1") = "9"
    & skf18("10","8","6","8","5","9","1") = "9"
    & skf18("10","8","6","8","5","10","1") = "9"
    & skf18("10","8","6","8","6","1","1") = "9"
    & skf18("10","8","6","8","6","2","1") = "9"
    & skf18("10","8","6","8","6","3","1") = "9"
    & skf18("10","8","6","8","6","4","1") = "9"
    & skf18("10","8","6","8","6","5","1") = "9"
    & skf18("10","8","6","8","6","6","1") = "9"
    & skf18("10","8","6","8","6","7","1") = "9"
    & skf18("10","8","6","8","6","8","1") = "9"
    & skf18("10","8","6","8","6","9","1") = "9"
    & skf18("10","8","6","8","6","10","1") = "9"
    & skf18("10","8","6","8","7","1","1") = "9"
    & skf18("10","8","6","8","7","2","1") = "9"
    & skf18("10","8","6","8","7","3","1") = "9"
    & skf18("10","8","6","8","7","4","1") = "9"
    & skf18("10","8","6","8","7","5","1") = "9"
    & skf18("10","8","6","8","7","6","1") = "9"
    & skf18("10","8","6","8","7","7","1") = "9"
    & skf18("10","8","6","8","7","8","1") = "9"
    & skf18("10","8","6","8","7","9","1") = "9"
    & skf18("10","8","6","8","7","10","1") = "9"
    & skf18("10","8","6","8","8","1","1") = "9"
    & skf18("10","8","6","8","8","2","1") = "9"
    & skf18("10","8","6","8","8","3","1") = "9"
    & skf18("10","8","6","8","8","4","1") = "9"
    & skf18("10","8","6","8","8","5","1") = "9"
    & skf18("10","8","6","8","8","6","1") = "9"
    & skf18("10","8","6","8","8","7","1") = "9"
    & skf18("10","8","6","8","8","8","1") = "9"
    & skf18("10","8","6","8","8","9","1") = "9"
    & skf18("10","8","6","8","8","10","1") = "9"
    & skf18("10","8","6","8","9","1","1") = "9"
    & skf18("10","8","6","8","9","2","1") = "9"
    & skf18("10","8","6","8","9","3","1") = "9"
    & skf18("10","8","6","8","9","4","1") = "9"
    & skf18("10","8","6","8","9","5","1") = "9"
    & skf18("10","8","6","8","9","6","1") = "9"
    & skf18("10","8","6","8","9","7","1") = "9"
    & skf18("10","8","6","8","9","8","1") = "9"
    & skf18("10","8","6","8","9","9","1") = "9"
    & skf18("10","8","6","8","9","10","1") = "9"
    & skf18("10","8","6","8","10","1","1") = "9"
    & skf18("10","8","6","8","10","2","1") = "9"
    & skf18("10","8","6","8","10","3","1") = "9"
    & skf18("10","8","6","8","10","4","1") = "9"
    & skf18("10","8","6","8","10","5","1") = "9"
    & skf18("10","8","6","8","10","6","1") = "9"
    & skf18("10","8","6","8","10","7","1") = "9"
    & skf18("10","8","6","8","10","8","1") = "9"
    & skf18("10","8","6","8","10","9","1") = "9"
    & skf18("10","8","6","8","10","10","1") = "9"
    & skf18("10","8","6","9","1","1","1") = "9"
    & skf18("10","8","6","9","1","2","1") = "9"
    & skf18("10","8","6","9","1","3","1") = "9"
    & skf18("10","8","6","9","1","4","1") = "9"
    & skf18("10","8","6","9","1","5","1") = "9"
    & skf18("10","8","6","9","1","6","1") = "9"
    & skf18("10","8","6","9","1","7","1") = "9"
    & skf18("10","8","6","9","1","8","1") = "9"
    & skf18("10","8","6","9","1","9","1") = "9"
    & skf18("10","8","6","9","1","10","1") = "9"
    & skf18("10","8","6","9","2","1","1") = "9"
    & skf18("10","8","6","9","2","2","1") = "9"
    & skf18("10","8","6","9","2","3","1") = "9"
    & skf18("10","8","6","9","2","4","1") = "9"
    & skf18("10","8","6","9","2","5","1") = "9"
    & skf18("10","8","6","9","2","6","1") = "9"
    & skf18("10","8","6","9","2","7","1") = "9"
    & skf18("10","8","6","9","2","8","1") = "9"
    & skf18("10","8","6","9","2","9","1") = "9"
    & skf18("10","8","6","9","2","10","1") = "9"
    & skf18("10","8","6","9","3","1","1") = "9"
    & skf18("10","8","6","9","3","2","1") = "9"
    & skf18("10","8","6","9","3","3","1") = "9"
    & skf18("10","8","6","9","3","4","1") = "9"
    & skf18("10","8","6","9","3","5","1") = "9"
    & skf18("10","8","6","9","3","6","1") = "9"
    & skf18("10","8","6","9","3","7","1") = "9"
    & skf18("10","8","6","9","3","8","1") = "9"
    & skf18("10","8","6","9","3","9","1") = "9"
    & skf18("10","8","6","9","3","10","1") = "9"
    & skf18("10","8","6","9","4","1","1") = "9"
    & skf18("10","8","6","9","4","2","1") = "9"
    & skf18("10","8","6","9","4","3","1") = "9"
    & skf18("10","8","6","9","4","4","1") = "9"
    & skf18("10","8","6","9","4","5","1") = "9"
    & skf18("10","8","6","9","4","6","1") = "9"
    & skf18("10","8","6","9","4","7","1") = "9"
    & skf18("10","8","6","9","4","8","1") = "9"
    & skf18("10","8","6","9","4","9","1") = "9"
    & skf18("10","8","6","9","4","10","1") = "9"
    & skf18("10","8","6","9","5","1","1") = "9"
    & skf18("10","8","6","9","5","2","1") = "9"
    & skf18("10","8","6","9","5","3","1") = "9"
    & skf18("10","8","6","9","5","4","1") = "9"
    & skf18("10","8","6","9","5","5","1") = "9"
    & skf18("10","8","6","9","5","6","1") = "9"
    & skf18("10","8","6","9","5","7","1") = "9"
    & skf18("10","8","6","9","5","8","1") = "9"
    & skf18("10","8","6","9","5","9","1") = "9"
    & skf18("10","8","6","9","5","10","1") = "9"
    & skf18("10","8","6","9","6","1","1") = "9"
    & skf18("10","8","6","9","6","2","1") = "9"
    & skf18("10","8","6","9","6","3","1") = "9"
    & skf18("10","8","6","9","6","4","1") = "9"
    & skf18("10","8","6","9","6","5","1") = "9"
    & skf18("10","8","6","9","6","6","1") = "9"
    & skf18("10","8","6","9","6","7","1") = "9"
    & skf18("10","8","6","9","6","8","1") = "9"
    & skf18("10","8","6","9","6","9","1") = "9"
    & skf18("10","8","6","9","6","10","1") = "9"
    & skf18("10","8","6","9","7","1","1") = "9"
    & skf18("10","8","6","9","7","2","1") = "9"
    & skf18("10","8","6","9","7","3","1") = "9"
    & skf18("10","8","6","9","7","4","1") = "9"
    & skf18("10","8","6","9","7","5","1") = "9"
    & skf18("10","8","6","9","7","6","1") = "9"
    & skf18("10","8","6","9","7","7","1") = "9"
    & skf18("10","8","6","9","7","8","1") = "9"
    & skf18("10","8","6","9","7","9","1") = "9"
    & skf18("10","8","6","9","7","10","1") = "9"
    & skf18("10","8","6","9","8","1","1") = "9"
    & skf18("10","8","6","9","8","2","1") = "9"
    & skf18("10","8","6","9","8","3","1") = "9"
    & skf18("10","8","6","9","8","4","1") = "9"
    & skf18("10","8","6","9","8","5","1") = "9"
    & skf18("10","8","6","9","8","6","1") = "9"
    & skf18("10","8","6","9","8","7","1") = "9"
    & skf18("10","8","6","9","8","8","1") = "9"
    & skf18("10","8","6","9","8","9","1") = "9"
    & skf18("10","8","6","9","8","10","1") = "9"
    & skf18("10","8","6","9","9","1","1") = "9"
    & skf18("10","8","6","9","9","2","1") = "9"
    & skf18("10","8","6","9","9","3","1") = "9"
    & skf18("10","8","6","9","9","4","1") = "9"
    & skf18("10","8","6","9","9","5","1") = "9"
    & skf18("10","8","6","9","9","6","1") = "9"
    & skf18("10","8","6","9","9","7","1") = "9"
    & skf18("10","8","6","9","9","8","1") = "9"
    & skf18("10","8","6","9","9","9","1") = "9"
    & skf18("10","8","6","9","9","10","1") = "9"
    & skf18("10","8","6","9","10","1","1") = "9"
    & skf18("10","8","6","9","10","2","1") = "9"
    & skf18("10","8","6","9","10","3","1") = "9"
    & skf18("10","8","6","9","10","4","1") = "9"
    & skf18("10","8","6","9","10","5","1") = "9"
    & skf18("10","8","6","9","10","6","1") = "9"
    & skf18("10","8","6","9","10","7","1") = "9"
    & skf18("10","8","6","9","10","8","1") = "9"
    & skf18("10","8","6","9","10","9","1") = "9"
    & skf18("10","8","6","9","10","10","1") = "9"
    & skf18("10","8","6","10","1","1","1") = "9"
    & skf18("10","8","6","10","1","2","1") = "9"
    & skf18("10","8","6","10","1","3","1") = "9"
    & skf18("10","8","6","10","1","4","1") = "9"
    & skf18("10","8","6","10","1","5","1") = "9"
    & skf18("10","8","6","10","1","6","1") = "9"
    & skf18("10","8","6","10","1","7","1") = "9"
    & skf18("10","8","6","10","1","8","1") = "9"
    & skf18("10","8","6","10","1","9","1") = "9"
    & skf18("10","8","6","10","1","10","1") = "9"
    & skf18("10","8","6","10","2","1","1") = "9"
    & skf18("10","8","6","10","2","2","1") = "9"
    & skf18("10","8","6","10","2","3","1") = "9"
    & skf18("10","8","6","10","2","4","1") = "9"
    & skf18("10","8","6","10","2","5","1") = "9"
    & skf18("10","8","6","10","2","6","1") = "9"
    & skf18("10","8","6","10","2","7","1") = "9"
    & skf18("10","8","6","10","2","8","1") = "9"
    & skf18("10","8","6","10","2","9","1") = "9"
    & skf18("10","8","6","10","2","10","1") = "9"
    & skf18("10","8","6","10","3","1","1") = "9"
    & skf18("10","8","6","10","3","2","1") = "9"
    & skf18("10","8","6","10","3","3","1") = "9"
    & skf18("10","8","6","10","3","4","1") = "9"
    & skf18("10","8","6","10","3","5","1") = "9"
    & skf18("10","8","6","10","3","6","1") = "9"
    & skf18("10","8","6","10","3","7","1") = "9"
    & skf18("10","8","6","10","3","8","1") = "9"
    & skf18("10","8","6","10","3","9","1") = "9"
    & skf18("10","8","6","10","3","10","1") = "9"
    & skf18("10","8","6","10","4","1","1") = "9"
    & skf18("10","8","6","10","4","2","1") = "9"
    & skf18("10","8","6","10","4","3","1") = "9"
    & skf18("10","8","6","10","4","4","1") = "9"
    & skf18("10","8","6","10","4","5","1") = "9"
    & skf18("10","8","6","10","4","6","1") = "9"
    & skf18("10","8","6","10","4","7","1") = "9"
    & skf18("10","8","6","10","4","8","1") = "9"
    & skf18("10","8","6","10","4","9","1") = "9"
    & skf18("10","8","6","10","4","10","1") = "9"
    & skf18("10","8","6","10","5","1","1") = "9"
    & skf18("10","8","6","10","5","2","1") = "9"
    & skf18("10","8","6","10","5","3","1") = "9"
    & skf18("10","8","6","10","5","4","1") = "9"
    & skf18("10","8","6","10","5","5","1") = "9"
    & skf18("10","8","6","10","5","6","1") = "9"
    & skf18("10","8","6","10","5","7","1") = "9"
    & skf18("10","8","6","10","5","8","1") = "9"
    & skf18("10","8","6","10","5","9","1") = "9"
    & skf18("10","8","6","10","5","10","1") = "9"
    & skf18("10","8","6","10","6","1","1") = "9"
    & skf18("10","8","6","10","6","2","1") = "9"
    & skf18("10","8","6","10","6","3","1") = "9"
    & skf18("10","8","6","10","6","4","1") = "9"
    & skf18("10","8","6","10","6","5","1") = "9"
    & skf18("10","8","6","10","6","6","1") = "9"
    & skf18("10","8","6","10","6","7","1") = "9"
    & skf18("10","8","6","10","6","8","1") = "9"
    & skf18("10","8","6","10","6","9","1") = "9"
    & skf18("10","8","6","10","6","10","1") = "9"
    & skf18("10","8","6","10","7","1","1") = "9"
    & skf18("10","8","6","10","7","2","1") = "9"
    & skf18("10","8","6","10","7","3","1") = "9"
    & skf18("10","8","6","10","7","4","1") = "9"
    & skf18("10","8","6","10","7","5","1") = "9"
    & skf18("10","8","6","10","7","6","1") = "9"
    & skf18("10","8","6","10","7","7","1") = "9"
    & skf18("10","8","6","10","7","8","1") = "9"
    & skf18("10","8","6","10","7","9","1") = "9"
    & skf18("10","8","6","10","7","10","1") = "9"
    & skf18("10","8","6","10","8","1","1") = "9"
    & skf18("10","8","6","10","8","2","1") = "9"
    & skf18("10","8","6","10","8","3","1") = "9"
    & skf18("10","8","6","10","8","4","1") = "9"
    & skf18("10","8","6","10","8","5","1") = "9"
    & skf18("10","8","6","10","8","6","1") = "9"
    & skf18("10","8","6","10","8","7","1") = "9"
    & skf18("10","8","6","10","8","8","1") = "9"
    & skf18("10","8","6","10","8","9","1") = "9"
    & skf18("10","8","6","10","8","10","1") = "9"
    & skf18("10","8","6","10","9","1","1") = "9"
    & skf18("10","8","6","10","9","2","1") = "9"
    & skf18("10","8","6","10","9","3","1") = "9"
    & skf18("10","8","6","10","9","4","1") = "9"
    & skf18("10","8","6","10","9","5","1") = "9"
    & skf18("10","8","6","10","9","6","1") = "9"
    & skf18("10","8","6","10","9","7","1") = "9"
    & skf18("10","8","6","10","9","8","1") = "9"
    & skf18("10","8","6","10","9","9","1") = "9"
    & skf18("10","8","6","10","9","10","1") = "9"
    & skf18("10","8","6","10","10","1","1") = "9"
    & skf18("10","8","6","10","10","2","1") = "9"
    & skf18("10","8","6","10","10","3","1") = "9"
    & skf18("10","8","6","10","10","4","1") = "9"
    & skf18("10","8","6","10","10","5","1") = "9"
    & skf18("10","8","6","10","10","6","1") = "9"
    & skf18("10","8","6","10","10","7","1") = "9"
    & skf18("10","8","6","10","10","8","1") = "9"
    & skf18("10","8","6","10","10","9","1") = "9"
    & skf18("10","8","6","10","10","10","1") = "9"
    & skf18("10","8","7","1","1","1","1") = "9"
    & skf18("10","8","7","1","1","2","1") = "9"
    & skf18("10","8","7","1","1","3","1") = "9"
    & skf18("10","8","7","1","1","4","1") = "9"
    & skf18("10","8","7","1","1","5","1") = "9"
    & skf18("10","8","7","1","1","6","1") = "9"
    & skf18("10","8","7","1","1","7","1") = "9"
    & skf18("10","8","7","1","1","8","1") = "9"
    & skf18("10","8","7","1","1","9","1") = "9"
    & skf18("10","8","7","1","1","10","1") = "9"
    & skf18("10","8","7","1","2","1","1") = "9"
    & skf18("10","8","7","1","2","2","1") = "9"
    & skf18("10","8","7","1","2","3","1") = "9"
    & skf18("10","8","7","1","2","4","1") = "9"
    & skf18("10","8","7","1","2","5","1") = "9"
    & skf18("10","8","7","1","2","6","1") = "9"
    & skf18("10","8","7","1","2","7","1") = "9"
    & skf18("10","8","7","1","2","8","1") = "9"
    & skf18("10","8","7","1","2","9","1") = "9"
    & skf18("10","8","7","1","2","10","1") = "9"
    & skf18("10","8","7","1","3","1","1") = "9"
    & skf18("10","8","7","1","3","2","1") = "9"
    & skf18("10","8","7","1","3","3","1") = "9"
    & skf18("10","8","7","1","3","4","1") = "9"
    & skf18("10","8","7","1","3","5","1") = "9"
    & skf18("10","8","7","1","3","6","1") = "9"
    & skf18("10","8","7","1","3","7","1") = "9"
    & skf18("10","8","7","1","3","8","1") = "9"
    & skf18("10","8","7","1","3","9","1") = "9"
    & skf18("10","8","7","1","3","10","1") = "9"
    & skf18("10","8","7","1","4","1","1") = "9"
    & skf18("10","8","7","1","4","2","1") = "9"
    & skf18("10","8","7","1","4","3","1") = "9"
    & skf18("10","8","7","1","4","4","1") = "9"
    & skf18("10","8","7","1","4","5","1") = "9"
    & skf18("10","8","7","1","4","6","1") = "9"
    & skf18("10","8","7","1","4","7","1") = "9"
    & skf18("10","8","7","1","4","8","1") = "9"
    & skf18("10","8","7","1","4","9","1") = "9"
    & skf18("10","8","7","1","4","10","1") = "9"
    & skf18("10","8","7","1","5","1","1") = "9"
    & skf18("10","8","7","1","5","2","1") = "9"
    & skf18("10","8","7","1","5","3","1") = "9"
    & skf18("10","8","7","1","5","4","1") = "9"
    & skf18("10","8","7","1","5","5","1") = "9"
    & skf18("10","8","7","1","5","6","1") = "9"
    & skf18("10","8","7","1","5","7","1") = "9"
    & skf18("10","8","7","1","5","8","1") = "9"
    & skf18("10","8","7","1","5","9","1") = "9"
    & skf18("10","8","7","1","5","10","1") = "9"
    & skf18("10","8","7","1","6","1","1") = "9"
    & skf18("10","8","7","1","6","2","1") = "9"
    & skf18("10","8","7","1","6","3","1") = "9"
    & skf18("10","8","7","1","6","4","1") = "9"
    & skf18("10","8","7","1","6","5","1") = "9"
    & skf18("10","8","7","1","6","6","1") = "9"
    & skf18("10","8","7","1","6","7","1") = "9"
    & skf18("10","8","7","1","6","8","1") = "9"
    & skf18("10","8","7","1","6","9","1") = "9"
    & skf18("10","8","7","1","6","10","1") = "9"
    & skf18("10","8","7","1","7","1","1") = "9"
    & skf18("10","8","7","1","7","2","1") = "9"
    & skf18("10","8","7","1","7","3","1") = "9"
    & skf18("10","8","7","1","7","4","1") = "9"
    & skf18("10","8","7","1","7","5","1") = "9"
    & skf18("10","8","7","1","7","6","1") = "9"
    & skf18("10","8","7","1","7","7","1") = "9"
    & skf18("10","8","7","1","7","8","1") = "9"
    & skf18("10","8","7","1","7","9","1") = "9"
    & skf18("10","8","7","1","7","10","1") = "9"
    & skf18("10","8","7","1","8","1","1") = "9"
    & skf18("10","8","7","1","8","2","1") = "9"
    & skf18("10","8","7","1","8","3","1") = "9"
    & skf18("10","8","7","1","8","4","1") = "9"
    & skf18("10","8","7","1","8","5","1") = "9"
    & skf18("10","8","7","1","8","6","1") = "9"
    & skf18("10","8","7","1","8","7","1") = "9"
    & skf18("10","8","7","1","8","8","1") = "9"
    & skf18("10","8","7","1","8","9","1") = "9"
    & skf18("10","8","7","1","8","10","1") = "9"
    & skf18("10","8","7","1","9","1","1") = "9"
    & skf18("10","8","7","1","9","2","1") = "9"
    & skf18("10","8","7","1","9","3","1") = "9"
    & skf18("10","8","7","1","9","4","1") = "9"
    & skf18("10","8","7","1","9","5","1") = "9"
    & skf18("10","8","7","1","9","6","1") = "9"
    & skf18("10","8","7","1","9","7","1") = "9"
    & skf18("10","8","7","1","9","8","1") = "9"
    & skf18("10","8","7","1","9","9","1") = "9"
    & skf18("10","8","7","1","9","10","1") = "9"
    & skf18("10","8","7","1","10","1","1") = "9"
    & skf18("10","8","7","1","10","2","1") = "9"
    & skf18("10","8","7","1","10","3","1") = "9"
    & skf18("10","8","7","1","10","4","1") = "9"
    & skf18("10","8","7","1","10","5","1") = "9"
    & skf18("10","8","7","1","10","6","1") = "9"
    & skf18("10","8","7","1","10","7","1") = "9"
    & skf18("10","8","7","1","10","8","1") = "9"
    & skf18("10","8","7","1","10","9","1") = "9"
    & skf18("10","8","7","1","10","10","1") = "9"
    & skf18("10","8","7","2","1","1","1") = "9"
    & skf18("10","8","7","2","1","2","1") = "9"
    & skf18("10","8","7","2","1","3","1") = "9"
    & skf18("10","8","7","2","1","4","1") = "9"
    & skf18("10","8","7","2","1","5","1") = "9"
    & skf18("10","8","7","2","1","6","1") = "9"
    & skf18("10","8","7","2","1","7","1") = "9"
    & skf18("10","8","7","2","1","8","1") = "9"
    & skf18("10","8","7","2","1","9","1") = "9"
    & skf18("10","8","7","2","1","10","1") = "9"
    & skf18("10","8","7","2","2","1","1") = "9"
    & skf18("10","8","7","2","2","2","1") = "9"
    & skf18("10","8","7","2","2","3","1") = "9"
    & skf18("10","8","7","2","2","4","1") = "9"
    & skf18("10","8","7","2","2","5","1") = "9"
    & skf18("10","8","7","2","2","6","1") = "9"
    & skf18("10","8","7","2","2","7","1") = "9"
    & skf18("10","8","7","2","2","8","1") = "9"
    & skf18("10","8","7","2","2","9","1") = "9"
    & skf18("10","8","7","2","2","10","1") = "9"
    & skf18("10","8","7","2","3","1","1") = "9"
    & skf18("10","8","7","2","3","2","1") = "9"
    & skf18("10","8","7","2","3","3","1") = "9"
    & skf18("10","8","7","2","3","4","1") = "9"
    & skf18("10","8","7","2","3","5","1") = "9"
    & skf18("10","8","7","2","3","6","1") = "9"
    & skf18("10","8","7","2","3","7","1") = "9"
    & skf18("10","8","7","2","3","8","1") = "9"
    & skf18("10","8","7","2","3","9","1") = "9"
    & skf18("10","8","7","2","3","10","1") = "9"
    & skf18("10","8","7","2","4","1","1") = "9"
    & skf18("10","8","7","2","4","2","1") = "9"
    & skf18("10","8","7","2","4","3","1") = "9"
    & skf18("10","8","7","2","4","4","1") = "9"
    & skf18("10","8","7","2","4","5","1") = "9"
    & skf18("10","8","7","2","4","6","1") = "9"
    & skf18("10","8","7","2","4","7","1") = "9"
    & skf18("10","8","7","2","4","8","1") = "9"
    & skf18("10","8","7","2","4","9","1") = "9"
    & skf18("10","8","7","2","4","10","1") = "9"
    & skf18("10","8","7","2","5","1","1") = "9"
    & skf18("10","8","7","2","5","2","1") = "9"
    & skf18("10","8","7","2","5","3","1") = "9"
    & skf18("10","8","7","2","5","4","1") = "9"
    & skf18("10","8","7","2","5","5","1") = "9"
    & skf18("10","8","7","2","5","6","1") = "9"
    & skf18("10","8","7","2","5","7","1") = "9"
    & skf18("10","8","7","2","5","8","1") = "9"
    & skf18("10","8","7","2","5","9","1") = "9"
    & skf18("10","8","7","2","5","10","1") = "9"
    & skf18("10","8","7","2","6","1","1") = "9"
    & skf18("10","8","7","2","6","2","1") = "9"
    & skf18("10","8","7","2","6","3","1") = "9"
    & skf18("10","8","7","2","6","4","1") = "9"
    & skf18("10","8","7","2","6","5","1") = "9"
    & skf18("10","8","7","2","6","6","1") = "9"
    & skf18("10","8","7","2","6","7","1") = "9"
    & skf18("10","8","7","2","6","8","1") = "9"
    & skf18("10","8","7","2","6","9","1") = "9"
    & skf18("10","8","7","2","6","10","1") = "9"
    & skf18("10","8","7","2","7","1","1") = "9"
    & skf18("10","8","7","2","7","2","1") = "9"
    & skf18("10","8","7","2","7","3","1") = "9"
    & skf18("10","8","7","2","7","4","1") = "9"
    & skf18("10","8","7","2","7","5","1") = "9"
    & skf18("10","8","7","2","7","6","1") = "9"
    & skf18("10","8","7","2","7","7","1") = "9"
    & skf18("10","8","7","2","7","8","1") = "9"
    & skf18("10","8","7","2","7","9","1") = "9"
    & skf18("10","8","7","2","7","10","1") = "9"
    & skf18("10","8","7","2","8","1","1") = "9"
    & skf18("10","8","7","2","8","2","1") = "9"
    & skf18("10","8","7","2","8","3","1") = "9"
    & skf18("10","8","7","2","8","4","1") = "9"
    & skf18("10","8","7","2","8","5","1") = "9"
    & skf18("10","8","7","2","8","6","1") = "9"
    & skf18("10","8","7","2","8","7","1") = "9"
    & skf18("10","8","7","2","8","8","1") = "9"
    & skf18("10","8","7","2","8","9","1") = "9"
    & skf18("10","8","7","2","8","10","1") = "9"
    & skf18("10","8","7","2","9","1","1") = "9"
    & skf18("10","8","7","2","9","2","1") = "9"
    & skf18("10","8","7","2","9","3","1") = "9"
    & skf18("10","8","7","2","9","4","1") = "9"
    & skf18("10","8","7","2","9","5","1") = "9"
    & skf18("10","8","7","2","9","6","1") = "9"
    & skf18("10","8","7","2","9","7","1") = "9"
    & skf18("10","8","7","2","9","8","1") = "9"
    & skf18("10","8","7","2","9","9","1") = "9"
    & skf18("10","8","7","2","9","10","1") = "9"
    & skf18("10","8","7","2","10","1","1") = "9"
    & skf18("10","8","7","2","10","2","1") = "9"
    & skf18("10","8","7","2","10","3","1") = "9"
    & skf18("10","8","7","2","10","4","1") = "9"
    & skf18("10","8","7","2","10","5","1") = "9"
    & skf18("10","8","7","2","10","6","1") = "9"
    & skf18("10","8","7","2","10","7","1") = "9"
    & skf18("10","8","7","2","10","8","1") = "9"
    & skf18("10","8","7","2","10","9","1") = "9"
    & skf18("10","8","7","2","10","10","1") = "9"
    & skf18("10","8","7","3","1","1","1") = "9"
    & skf18("10","8","7","3","1","2","1") = "9"
    & skf18("10","8","7","3","1","3","1") = "9"
    & skf18("10","8","7","3","1","4","1") = "9"
    & skf18("10","8","7","3","1","5","1") = "9"
    & skf18("10","8","7","3","1","6","1") = "9"
    & skf18("10","8","7","3","1","7","1") = "9"
    & skf18("10","8","7","3","1","8","1") = "9"
    & skf18("10","8","7","3","1","9","1") = "9"
    & skf18("10","8","7","3","1","10","1") = "9"
    & skf18("10","8","7","3","2","1","1") = "9"
    & skf18("10","8","7","3","2","2","1") = "9"
    & skf18("10","8","7","3","2","3","1") = "9"
    & skf18("10","8","7","3","2","4","1") = "9"
    & skf18("10","8","7","3","2","5","1") = "9"
    & skf18("10","8","7","3","2","6","1") = "9"
    & skf18("10","8","7","3","2","7","1") = "9"
    & skf18("10","8","7","3","2","8","1") = "9"
    & skf18("10","8","7","3","2","9","1") = "9"
    & skf18("10","8","7","3","2","10","1") = "9"
    & skf18("10","8","7","3","3","1","1") = "9"
    & skf18("10","8","7","3","3","2","1") = "9"
    & skf18("10","8","7","3","3","3","1") = "9"
    & skf18("10","8","7","3","3","4","1") = "9"
    & skf18("10","8","7","3","3","5","1") = "9"
    & skf18("10","8","7","3","3","6","1") = "9"
    & skf18("10","8","7","3","3","7","1") = "9"
    & skf18("10","8","7","3","3","8","1") = "9"
    & skf18("10","8","7","3","3","9","1") = "9"
    & skf18("10","8","7","3","3","10","1") = "9"
    & skf18("10","8","7","3","4","1","1") = "9"
    & skf18("10","8","7","3","4","2","1") = "9"
    & skf18("10","8","7","3","4","3","1") = "9"
    & skf18("10","8","7","3","4","4","1") = "9"
    & skf18("10","8","7","3","4","5","1") = "9"
    & skf18("10","8","7","3","4","6","1") = "9"
    & skf18("10","8","7","3","4","7","1") = "9"
    & skf18("10","8","7","3","4","8","1") = "9"
    & skf18("10","8","7","3","4","9","1") = "9"
    & skf18("10","8","7","3","4","10","1") = "9"
    & skf18("10","8","7","3","5","1","1") = "9"
    & skf18("10","8","7","3","5","2","1") = "9"
    & skf18("10","8","7","3","5","3","1") = "9"
    & skf18("10","8","7","3","5","4","1") = "9"
    & skf18("10","8","7","3","5","5","1") = "9"
    & skf18("10","8","7","3","5","6","1") = "9"
    & skf18("10","8","7","3","5","7","1") = "9"
    & skf18("10","8","7","3","5","8","1") = "9"
    & skf18("10","8","7","3","5","9","1") = "9"
    & skf18("10","8","7","3","5","10","1") = "9"
    & skf18("10","8","7","3","6","1","1") = "9"
    & skf18("10","8","7","3","6","2","1") = "9"
    & skf18("10","8","7","3","6","3","1") = "9"
    & skf18("10","8","7","3","6","4","1") = "9"
    & skf18("10","8","7","3","6","5","1") = "9"
    & skf18("10","8","7","3","6","6","1") = "9"
    & skf18("10","8","7","3","6","7","1") = "9"
    & skf18("10","8","7","3","6","8","1") = "9"
    & skf18("10","8","7","3","6","9","1") = "9"
    & skf18("10","8","7","3","6","10","1") = "9"
    & skf18("10","8","7","3","7","1","1") = "9"
    & skf18("10","8","7","3","7","2","1") = "9"
    & skf18("10","8","7","3","7","3","1") = "9"
    & skf18("10","8","7","3","7","4","1") = "9"
    & skf18("10","8","7","3","7","5","1") = "9"
    & skf18("10","8","7","3","7","6","1") = "9"
    & skf18("10","8","7","3","7","7","1") = "9"
    & skf18("10","8","7","3","7","8","1") = "9"
    & skf18("10","8","7","3","7","9","1") = "9"
    & skf18("10","8","7","3","7","10","1") = "9"
    & skf18("10","8","7","3","8","1","1") = "9"
    & skf18("10","8","7","3","8","2","1") = "9"
    & skf18("10","8","7","3","8","3","1") = "9"
    & skf18("10","8","7","3","8","4","1") = "9"
    & skf18("10","8","7","3","8","5","1") = "9"
    & skf18("10","8","7","3","8","6","1") = "9"
    & skf18("10","8","7","3","8","7","1") = "9"
    & skf18("10","8","7","3","8","8","1") = "9"
    & skf18("10","8","7","3","8","9","1") = "9"
    & skf18("10","8","7","3","8","10","1") = "9"
    & skf18("10","8","7","3","9","1","1") = "9"
    & skf18("10","8","7","3","9","2","1") = "9"
    & skf18("10","8","7","3","9","3","1") = "9"
    & skf18("10","8","7","3","9","4","1") = "9"
    & skf18("10","8","7","3","9","5","1") = "9"
    & skf18("10","8","7","3","9","6","1") = "9"
    & skf18("10","8","7","3","9","7","1") = "9"
    & skf18("10","8","7","3","9","8","1") = "9"
    & skf18("10","8","7","3","9","9","1") = "9"
    & skf18("10","8","7","3","9","10","1") = "9"
    & skf18("10","8","7","3","10","1","1") = "9"
    & skf18("10","8","7","3","10","2","1") = "9"
    & skf18("10","8","7","3","10","3","1") = "9"
    & skf18("10","8","7","3","10","4","1") = "9"
    & skf18("10","8","7","3","10","5","1") = "9"
    & skf18("10","8","7","3","10","6","1") = "9"
    & skf18("10","8","7","3","10","7","1") = "9"
    & skf18("10","8","7","3","10","8","1") = "9"
    & skf18("10","8","7","3","10","9","1") = "9"
    & skf18("10","8","7","3","10","10","1") = "9"
    & skf18("10","8","7","4","1","1","1") = "9"
    & skf18("10","8","7","4","1","2","1") = "9"
    & skf18("10","8","7","4","1","3","1") = "9"
    & skf18("10","8","7","4","1","4","1") = "9"
    & skf18("10","8","7","4","1","5","1") = "9"
    & skf18("10","8","7","4","1","6","1") = "9"
    & skf18("10","8","7","4","1","7","1") = "9"
    & skf18("10","8","7","4","1","8","1") = "9"
    & skf18("10","8","7","4","1","9","1") = "9"
    & skf18("10","8","7","4","1","10","1") = "9"
    & skf18("10","8","7","4","2","1","1") = "9"
    & skf18("10","8","7","4","2","2","1") = "9"
    & skf18("10","8","7","4","2","3","1") = "9"
    & skf18("10","8","7","4","2","4","1") = "9"
    & skf18("10","8","7","4","2","5","1") = "9"
    & skf18("10","8","7","4","2","6","1") = "9"
    & skf18("10","8","7","4","2","7","1") = "9"
    & skf18("10","8","7","4","2","8","1") = "9"
    & skf18("10","8","7","4","2","9","1") = "9"
    & skf18("10","8","7","4","2","10","1") = "9"
    & skf18("10","8","7","4","3","1","1") = "9"
    & skf18("10","8","7","4","3","2","1") = "9"
    & skf18("10","8","7","4","3","3","1") = "9"
    & skf18("10","8","7","4","3","4","1") = "9"
    & skf18("10","8","7","4","3","5","1") = "9"
    & skf18("10","8","7","4","3","6","1") = "9"
    & skf18("10","8","7","4","3","7","1") = "9"
    & skf18("10","8","7","4","3","8","1") = "9"
    & skf18("10","8","7","4","3","9","1") = "9"
    & skf18("10","8","7","4","3","10","1") = "9"
    & skf18("10","8","7","4","4","1","1") = "9"
    & skf18("10","8","7","4","4","2","1") = "9"
    & skf18("10","8","7","4","4","3","1") = "9"
    & skf18("10","8","7","4","4","4","1") = "9"
    & skf18("10","8","7","4","4","5","1") = "9"
    & skf18("10","8","7","4","4","6","1") = "9"
    & skf18("10","8","7","4","4","7","1") = "9"
    & skf18("10","8","7","4","4","8","1") = "9"
    & skf18("10","8","7","4","4","9","1") = "9"
    & skf18("10","8","7","4","4","10","1") = "9"
    & skf18("10","8","7","4","5","1","1") = "9"
    & skf18("10","8","7","4","5","2","1") = "9"
    & skf18("10","8","7","4","5","3","1") = "9"
    & skf18("10","8","7","4","5","4","1") = "9"
    & skf18("10","8","7","4","5","5","1") = "9"
    & skf18("10","8","7","4","5","6","1") = "9"
    & skf18("10","8","7","4","5","7","1") = "9"
    & skf18("10","8","7","4","5","8","1") = "9"
    & skf18("10","8","7","4","5","9","1") = "9"
    & skf18("10","8","7","4","5","10","1") = "9"
    & skf18("10","8","7","4","6","1","1") = "9"
    & skf18("10","8","7","4","6","2","1") = "9"
    & skf18("10","8","7","4","6","3","1") = "9"
    & skf18("10","8","7","4","6","4","1") = "9"
    & skf18("10","8","7","4","6","5","1") = "9"
    & skf18("10","8","7","4","6","6","1") = "9"
    & skf18("10","8","7","4","6","7","1") = "9"
    & skf18("10","8","7","4","6","8","1") = "9"
    & skf18("10","8","7","4","6","9","1") = "9"
    & skf18("10","8","7","4","6","10","1") = "9"
    & skf18("10","8","7","4","7","1","1") = "9"
    & skf18("10","8","7","4","7","2","1") = "9"
    & skf18("10","8","7","4","7","3","1") = "9"
    & skf18("10","8","7","4","7","4","1") = "9"
    & skf18("10","8","7","4","7","5","1") = "9"
    & skf18("10","8","7","4","7","6","1") = "9"
    & skf18("10","8","7","4","7","7","1") = "9"
    & skf18("10","8","7","4","7","8","1") = "9"
    & skf18("10","8","7","4","7","9","1") = "9"
    & skf18("10","8","7","4","7","10","1") = "9"
    & skf18("10","8","7","4","8","1","1") = "9"
    & skf18("10","8","7","4","8","2","1") = "9"
    & skf18("10","8","7","4","8","3","1") = "9"
    & skf18("10","8","7","4","8","4","1") = "9"
    & skf18("10","8","7","4","8","5","1") = "9"
    & skf18("10","8","7","4","8","6","1") = "9"
    & skf18("10","8","7","4","8","7","1") = "9"
    & skf18("10","8","7","4","8","8","1") = "9"
    & skf18("10","8","7","4","8","9","1") = "9"
    & skf18("10","8","7","4","8","10","1") = "9"
    & skf18("10","8","7","4","9","1","1") = "9"
    & skf18("10","8","7","4","9","2","1") = "9"
    & skf18("10","8","7","4","9","3","1") = "9"
    & skf18("10","8","7","4","9","4","1") = "9"
    & skf18("10","8","7","4","9","5","1") = "9"
    & skf18("10","8","7","4","9","6","1") = "9"
    & skf18("10","8","7","4","9","7","1") = "9"
    & skf18("10","8","7","4","9","8","1") = "9"
    & skf18("10","8","7","4","9","9","1") = "9"
    & skf18("10","8","7","4","9","10","1") = "9"
    & skf18("10","8","7","4","10","1","1") = "9"
    & skf18("10","8","7","4","10","2","1") = "9"
    & skf18("10","8","7","4","10","3","1") = "9"
    & skf18("10","8","7","4","10","4","1") = "9"
    & skf18("10","8","7","4","10","5","1") = "9"
    & skf18("10","8","7","4","10","6","1") = "9"
    & skf18("10","8","7","4","10","7","1") = "9"
    & skf18("10","8","7","4","10","8","1") = "9"
    & skf18("10","8","7","4","10","9","1") = "9"
    & skf18("10","8","7","4","10","10","1") = "9"
    & skf18("10","8","7","5","1","1","1") = "9"
    & skf18("10","8","7","5","1","2","1") = "9"
    & skf18("10","8","7","5","1","3","1") = "9"
    & skf18("10","8","7","5","1","4","1") = "9"
    & skf18("10","8","7","5","1","5","1") = "9"
    & skf18("10","8","7","5","1","6","1") = "9"
    & skf18("10","8","7","5","1","7","1") = "9"
    & skf18("10","8","7","5","1","8","1") = "9"
    & skf18("10","8","7","5","1","9","1") = "9"
    & skf18("10","8","7","5","1","10","1") = "9"
    & skf18("10","8","7","5","2","1","1") = "9"
    & skf18("10","8","7","5","2","2","1") = "9"
    & skf18("10","8","7","5","2","3","1") = "9"
    & skf18("10","8","7","5","2","4","1") = "9"
    & skf18("10","8","7","5","2","5","1") = "9"
    & skf18("10","8","7","5","2","6","1") = "9"
    & skf18("10","8","7","5","2","7","1") = "9"
    & skf18("10","8","7","5","2","8","1") = "9"
    & skf18("10","8","7","5","2","9","1") = "9"
    & skf18("10","8","7","5","2","10","1") = "9"
    & skf18("10","8","7","5","3","1","1") = "9"
    & skf18("10","8","7","5","3","2","1") = "9"
    & skf18("10","8","7","5","3","3","1") = "9"
    & skf18("10","8","7","5","3","4","1") = "9"
    & skf18("10","8","7","5","3","5","1") = "9"
    & skf18("10","8","7","5","3","6","1") = "9"
    & skf18("10","8","7","5","3","7","1") = "9"
    & skf18("10","8","7","5","3","8","1") = "9"
    & skf18("10","8","7","5","3","9","1") = "9"
    & skf18("10","8","7","5","3","10","1") = "9"
    & skf18("10","8","7","5","4","1","1") = "9"
    & skf18("10","8","7","5","4","2","1") = "9"
    & skf18("10","8","7","5","4","3","1") = "9"
    & skf18("10","8","7","5","4","4","1") = "9"
    & skf18("10","8","7","5","4","5","1") = "9"
    & skf18("10","8","7","5","4","6","1") = "9"
    & skf18("10","8","7","5","4","7","1") = "9"
    & skf18("10","8","7","5","4","8","1") = "9"
    & skf18("10","8","7","5","4","9","1") = "9"
    & skf18("10","8","7","5","4","10","1") = "9"
    & skf18("10","8","7","5","5","1","1") = "9"
    & skf18("10","8","7","5","5","2","1") = "9"
    & skf18("10","8","7","5","5","3","1") = "9"
    & skf18("10","8","7","5","5","4","1") = "9"
    & skf18("10","8","7","5","5","5","1") = "9"
    & skf18("10","8","7","5","5","6","1") = "9"
    & skf18("10","8","7","5","5","7","1") = "9"
    & skf18("10","8","7","5","5","8","1") = "9"
    & skf18("10","8","7","5","5","9","1") = "9"
    & skf18("10","8","7","5","5","10","1") = "9"
    & skf18("10","8","7","5","6","1","1") = "9"
    & skf18("10","8","7","5","6","2","1") = "9"
    & skf18("10","8","7","5","6","3","1") = "9"
    & skf18("10","8","7","5","6","4","1") = "9"
    & skf18("10","8","7","5","6","5","1") = "9"
    & skf18("10","8","7","5","6","6","1") = "9"
    & skf18("10","8","7","5","6","7","1") = "9"
    & skf18("10","8","7","5","6","8","1") = "9"
    & skf18("10","8","7","5","6","9","1") = "9"
    & skf18("10","8","7","5","6","10","1") = "9"
    & skf18("10","8","7","5","7","1","1") = "9"
    & skf18("10","8","7","5","7","2","1") = "9"
    & skf18("10","8","7","5","7","3","1") = "9"
    & skf18("10","8","7","5","7","4","1") = "9"
    & skf18("10","8","7","5","7","5","1") = "9"
    & skf18("10","8","7","5","7","6","1") = "9"
    & skf18("10","8","7","5","7","7","1") = "9"
    & skf18("10","8","7","5","7","8","1") = "9"
    & skf18("10","8","7","5","7","9","1") = "9"
    & skf18("10","8","7","5","7","10","1") = "9"
    & skf18("10","8","7","5","8","1","1") = "9"
    & skf18("10","8","7","5","8","2","1") = "9"
    & skf18("10","8","7","5","8","3","1") = "9"
    & skf18("10","8","7","5","8","4","1") = "9"
    & skf18("10","8","7","5","8","5","1") = "9"
    & skf18("10","8","7","5","8","6","1") = "9"
    & skf18("10","8","7","5","8","7","1") = "9"
    & skf18("10","8","7","5","8","8","1") = "9"
    & skf18("10","8","7","5","8","9","1") = "9"
    & skf18("10","8","7","5","8","10","1") = "9"
    & skf18("10","8","7","5","9","1","1") = "9"
    & skf18("10","8","7","5","9","2","1") = "9"
    & skf18("10","8","7","5","9","3","1") = "9"
    & skf18("10","8","7","5","9","4","1") = "9"
    & skf18("10","8","7","5","9","5","1") = "9"
    & skf18("10","8","7","5","9","6","1") = "9"
    & skf18("10","8","7","5","9","7","1") = "9"
    & skf18("10","8","7","5","9","8","1") = "9"
    & skf18("10","8","7","5","9","9","1") = "9"
    & skf18("10","8","7","5","9","10","1") = "9"
    & skf18("10","8","7","5","10","1","1") = "9"
    & skf18("10","8","7","5","10","2","1") = "9"
    & skf18("10","8","7","5","10","3","1") = "9"
    & skf18("10","8","7","5","10","4","1") = "9"
    & skf18("10","8","7","5","10","5","1") = "9"
    & skf18("10","8","7","5","10","6","1") = "9"
    & skf18("10","8","7","5","10","7","1") = "9"
    & skf18("10","8","7","5","10","8","1") = "9"
    & skf18("10","8","7","5","10","9","1") = "9"
    & skf18("10","8","7","5","10","10","1") = "9"
    & skf18("10","8","7","6","1","1","1") = "9"
    & skf18("10","8","7","6","1","2","1") = "9"
    & skf18("10","8","7","6","1","3","1") = "9"
    & skf18("10","8","7","6","1","4","1") = "9"
    & skf18("10","8","7","6","1","5","1") = "9"
    & skf18("10","8","7","6","1","6","1") = "9"
    & skf18("10","8","7","6","1","7","1") = "9"
    & skf18("10","8","7","6","1","8","1") = "9"
    & skf18("10","8","7","6","1","9","1") = "9"
    & skf18("10","8","7","6","1","10","1") = "9"
    & skf18("10","8","7","6","2","1","1") = "9"
    & skf18("10","8","7","6","2","2","1") = "9"
    & skf18("10","8","7","6","2","3","1") = "9"
    & skf18("10","8","7","6","2","4","1") = "9"
    & skf18("10","8","7","6","2","5","1") = "9"
    & skf18("10","8","7","6","2","6","1") = "9"
    & skf18("10","8","7","6","2","7","1") = "9"
    & skf18("10","8","7","6","2","8","1") = "9"
    & skf18("10","8","7","6","2","9","1") = "9"
    & skf18("10","8","7","6","2","10","1") = "9"
    & skf18("10","8","7","6","3","1","1") = "9"
    & skf18("10","8","7","6","3","2","1") = "9"
    & skf18("10","8","7","6","3","3","1") = "9"
    & skf18("10","8","7","6","3","4","1") = "9"
    & skf18("10","8","7","6","3","5","1") = "9"
    & skf18("10","8","7","6","3","6","1") = "9"
    & skf18("10","8","7","6","3","7","1") = "9"
    & skf18("10","8","7","6","3","8","1") = "9"
    & skf18("10","8","7","6","3","9","1") = "9"
    & skf18("10","8","7","6","3","10","1") = "9"
    & skf18("10","8","7","6","4","1","1") = "9"
    & skf18("10","8","7","6","4","2","1") = "9"
    & skf18("10","8","7","6","4","3","1") = "9"
    & skf18("10","8","7","6","4","4","1") = "9"
    & skf18("10","8","7","6","4","5","1") = "9"
    & skf18("10","8","7","6","4","6","1") = "9"
    & skf18("10","8","7","6","4","7","1") = "9"
    & skf18("10","8","7","6","4","8","1") = "9"
    & skf18("10","8","7","6","4","9","1") = "9"
    & skf18("10","8","7","6","4","10","1") = "9"
    & skf18("10","8","7","6","5","1","1") = "9"
    & skf18("10","8","7","6","5","2","1") = "9"
    & skf18("10","8","7","6","5","3","1") = "9"
    & skf18("10","8","7","6","5","4","1") = "9"
    & skf18("10","8","7","6","5","5","1") = "9"
    & skf18("10","8","7","6","5","6","1") = "9"
    & skf18("10","8","7","6","5","7","1") = "9"
    & skf18("10","8","7","6","5","8","1") = "9"
    & skf18("10","8","7","6","5","9","1") = "9"
    & skf18("10","8","7","6","5","10","1") = "9"
    & skf18("10","8","7","6","6","1","1") = "9"
    & skf18("10","8","7","6","6","2","1") = "9"
    & skf18("10","8","7","6","6","3","1") = "9"
    & skf18("10","8","7","6","6","4","1") = "9"
    & skf18("10","8","7","6","6","5","1") = "9"
    & skf18("10","8","7","6","6","6","1") = "9"
    & skf18("10","8","7","6","6","7","1") = "9"
    & skf18("10","8","7","6","6","8","1") = "9"
    & skf18("10","8","7","6","6","9","1") = "9"
    & skf18("10","8","7","6","6","10","1") = "9"
    & skf18("10","8","7","6","7","1","1") = "9"
    & skf18("10","8","7","6","7","2","1") = "9"
    & skf18("10","8","7","6","7","3","1") = "9"
    & skf18("10","8","7","6","7","4","1") = "9"
    & skf18("10","8","7","6","7","5","1") = "9"
    & skf18("10","8","7","6","7","6","1") = "9"
    & skf18("10","8","7","6","7","7","1") = "9"
    & skf18("10","8","7","6","7","8","1") = "9"
    & skf18("10","8","7","6","7","9","1") = "9"
    & skf18("10","8","7","6","7","10","1") = "9"
    & skf18("10","8","7","6","8","1","1") = "9"
    & skf18("10","8","7","6","8","2","1") = "9"
    & skf18("10","8","7","6","8","3","1") = "9"
    & skf18("10","8","7","6","8","4","1") = "9"
    & skf18("10","8","7","6","8","5","1") = "9"
    & skf18("10","8","7","6","8","6","1") = "9"
    & skf18("10","8","7","6","8","7","1") = "9"
    & skf18("10","8","7","6","8","8","1") = "9"
    & skf18("10","8","7","6","8","9","1") = "9"
    & skf18("10","8","7","6","8","10","1") = "9"
    & skf18("10","8","7","6","9","1","1") = "9"
    & skf18("10","8","7","6","9","2","1") = "9"
    & skf18("10","8","7","6","9","3","1") = "9"
    & skf18("10","8","7","6","9","4","1") = "9"
    & skf18("10","8","7","6","9","5","1") = "9"
    & skf18("10","8","7","6","9","6","1") = "9"
    & skf18("10","8","7","6","9","7","1") = "9"
    & skf18("10","8","7","6","9","8","1") = "9"
    & skf18("10","8","7","6","9","9","1") = "9"
    & skf18("10","8","7","6","9","10","1") = "9"
    & skf18("10","8","7","6","10","1","1") = "9"
    & skf18("10","8","7","6","10","2","1") = "9"
    & skf18("10","8","7","6","10","3","1") = "9"
    & skf18("10","8","7","6","10","4","1") = "9"
    & skf18("10","8","7","6","10","5","1") = "9"
    & skf18("10","8","7","6","10","6","1") = "9"
    & skf18("10","8","7","6","10","7","1") = "9"
    & skf18("10","8","7","6","10","8","1") = "9"
    & skf18("10","8","7","6","10","9","1") = "9"
    & skf18("10","8","7","6","10","10","1") = "9"
    & skf18("10","8","7","7","1","1","1") = "9"
    & skf18("10","8","7","7","1","2","1") = "9"
    & skf18("10","8","7","7","1","3","1") = "9"
    & skf18("10","8","7","7","1","4","1") = "9"
    & skf18("10","8","7","7","1","5","1") = "9"
    & skf18("10","8","7","7","1","6","1") = "9"
    & skf18("10","8","7","7","1","7","1") = "9"
    & skf18("10","8","7","7","1","8","1") = "9"
    & skf18("10","8","7","7","1","9","1") = "9"
    & skf18("10","8","7","7","1","10","1") = "9"
    & skf18("10","8","7","7","2","1","1") = "9"
    & skf18("10","8","7","7","2","2","1") = "9"
    & skf18("10","8","7","7","2","3","1") = "9"
    & skf18("10","8","7","7","2","4","1") = "9"
    & skf18("10","8","7","7","2","5","1") = "9"
    & skf18("10","8","7","7","2","6","1") = "9"
    & skf18("10","8","7","7","2","7","1") = "9"
    & skf18("10","8","7","7","2","8","1") = "9"
    & skf18("10","8","7","7","2","9","1") = "9"
    & skf18("10","8","7","7","2","10","1") = "9"
    & skf18("10","8","7","7","3","1","1") = "9"
    & skf18("10","8","7","7","3","2","1") = "9"
    & skf18("10","8","7","7","3","3","1") = "9"
    & skf18("10","8","7","7","3","4","1") = "9"
    & skf18("10","8","7","7","3","5","1") = "9"
    & skf18("10","8","7","7","3","6","1") = "9"
    & skf18("10","8","7","7","3","7","1") = "9"
    & skf18("10","8","7","7","3","8","1") = "9"
    & skf18("10","8","7","7","3","9","1") = "9"
    & skf18("10","8","7","7","3","10","1") = "9"
    & skf18("10","8","7","7","4","1","1") = "9"
    & skf18("10","8","7","7","4","2","1") = "9"
    & skf18("10","8","7","7","4","3","1") = "9"
    & skf18("10","8","7","7","4","4","1") = "9"
    & skf18("10","8","7","7","4","5","1") = "9"
    & skf18("10","8","7","7","4","6","1") = "9"
    & skf18("10","8","7","7","4","7","1") = "9"
    & skf18("10","8","7","7","4","8","1") = "9"
    & skf18("10","8","7","7","4","9","1") = "9"
    & skf18("10","8","7","7","4","10","1") = "9"
    & skf18("10","8","7","7","5","1","1") = "9"
    & skf18("10","8","7","7","5","2","1") = "9"
    & skf18("10","8","7","7","5","3","1") = "9"
    & skf18("10","8","7","7","5","4","1") = "9"
    & skf18("10","8","7","7","5","5","1") = "9"
    & skf18("10","8","7","7","5","6","1") = "9"
    & skf18("10","8","7","7","5","7","1") = "9"
    & skf18("10","8","7","7","5","8","1") = "9"
    & skf18("10","8","7","7","5","9","1") = "9"
    & skf18("10","8","7","7","5","10","1") = "9"
    & skf18("10","8","7","7","6","1","1") = "9"
    & skf18("10","8","7","7","6","2","1") = "9"
    & skf18("10","8","7","7","6","3","1") = "9"
    & skf18("10","8","7","7","6","4","1") = "9"
    & skf18("10","8","7","7","6","5","1") = "9"
    & skf18("10","8","7","7","6","6","1") = "9"
    & skf18("10","8","7","7","6","7","1") = "9"
    & skf18("10","8","7","7","6","8","1") = "9"
    & skf18("10","8","7","7","6","9","1") = "9"
    & skf18("10","8","7","7","6","10","1") = "9"
    & skf18("10","8","7","7","7","1","1") = "9"
    & skf18("10","8","7","7","7","2","1") = "9"
    & skf18("10","8","7","7","7","3","1") = "9"
    & skf18("10","8","7","7","7","4","1") = "9"
    & skf18("10","8","7","7","7","5","1") = "9"
    & skf18("10","8","7","7","7","6","1") = "9"
    & skf18("10","8","7","7","7","7","1") = "9"
    & skf18("10","8","7","7","7","8","1") = "9"
    & skf18("10","8","7","7","7","9","1") = "9"
    & skf18("10","8","7","7","7","10","1") = "9"
    & skf18("10","8","7","7","8","1","1") = "9"
    & skf18("10","8","7","7","8","2","1") = "9"
    & skf18("10","8","7","7","8","3","1") = "9"
    & skf18("10","8","7","7","8","4","1") = "9"
    & skf18("10","8","7","7","8","5","1") = "9"
    & skf18("10","8","7","7","8","6","1") = "9"
    & skf18("10","8","7","7","8","7","1") = "9"
    & skf18("10","8","7","7","8","8","1") = "9"
    & skf18("10","8","7","7","8","9","1") = "9"
    & skf18("10","8","7","7","8","10","1") = "9"
    & skf18("10","8","7","7","9","1","1") = "9"
    & skf18("10","8","7","7","9","2","1") = "9"
    & skf18("10","8","7","7","9","3","1") = "9"
    & skf18("10","8","7","7","9","4","1") = "9"
    & skf18("10","8","7","7","9","5","1") = "9"
    & skf18("10","8","7","7","9","6","1") = "9"
    & skf18("10","8","7","7","9","7","1") = "9"
    & skf18("10","8","7","7","9","8","1") = "9"
    & skf18("10","8","7","7","9","9","1") = "9"
    & skf18("10","8","7","7","9","10","1") = "9"
    & skf18("10","8","7","7","10","1","1") = "9"
    & skf18("10","8","7","7","10","2","1") = "9"
    & skf18("10","8","7","7","10","3","1") = "9"
    & skf18("10","8","7","7","10","4","1") = "9"
    & skf18("10","8","7","7","10","5","1") = "9"
    & skf18("10","8","7","7","10","6","1") = "9"
    & skf18("10","8","7","7","10","7","1") = "9"
    & skf18("10","8","7","7","10","8","1") = "9"
    & skf18("10","8","7","7","10","9","1") = "9"
    & skf18("10","8","7","7","10","10","1") = "9"
    & skf18("10","8","7","8","1","1","1") = "9"
    & skf18("10","8","7","8","1","2","1") = "9"
    & skf18("10","8","7","8","1","3","1") = "9"
    & skf18("10","8","7","8","1","4","1") = "9"
    & skf18("10","8","7","8","1","5","1") = "9"
    & skf18("10","8","7","8","1","6","1") = "9"
    & skf18("10","8","7","8","1","7","1") = "9"
    & skf18("10","8","7","8","1","8","1") = "9"
    & skf18("10","8","7","8","1","9","1") = "9"
    & skf18("10","8","7","8","1","10","1") = "9"
    & skf18("10","8","7","8","2","1","1") = "9"
    & skf18("10","8","7","8","2","2","1") = "9"
    & skf18("10","8","7","8","2","3","1") = "9"
    & skf18("10","8","7","8","2","4","1") = "9"
    & skf18("10","8","7","8","2","5","1") = "9"
    & skf18("10","8","7","8","2","6","1") = "9"
    & skf18("10","8","7","8","2","7","1") = "9"
    & skf18("10","8","7","8","2","8","1") = "9"
    & skf18("10","8","7","8","2","9","1") = "9"
    & skf18("10","8","7","8","2","10","1") = "9"
    & skf18("10","8","7","8","3","1","1") = "9"
    & skf18("10","8","7","8","3","2","1") = "9"
    & skf18("10","8","7","8","3","3","1") = "9"
    & skf18("10","8","7","8","3","4","1") = "9"
    & skf18("10","8","7","8","3","5","1") = "9"
    & skf18("10","8","7","8","3","6","1") = "9"
    & skf18("10","8","7","8","3","7","1") = "9"
    & skf18("10","8","7","8","3","8","1") = "9"
    & skf18("10","8","7","8","3","9","1") = "9"
    & skf18("10","8","7","8","3","10","1") = "9"
    & skf18("10","8","7","8","4","1","1") = "9"
    & skf18("10","8","7","8","4","2","1") = "9"
    & skf18("10","8","7","8","4","3","1") = "9"
    & skf18("10","8","7","8","4","4","1") = "9"
    & skf18("10","8","7","8","4","5","1") = "9"
    & skf18("10","8","7","8","4","6","1") = "9"
    & skf18("10","8","7","8","4","7","1") = "9"
    & skf18("10","8","7","8","4","8","1") = "9"
    & skf18("10","8","7","8","4","9","1") = "9"
    & skf18("10","8","7","8","4","10","1") = "9"
    & skf18("10","8","7","8","5","1","1") = "9"
    & skf18("10","8","7","8","5","2","1") = "9"
    & skf18("10","8","7","8","5","3","1") = "9"
    & skf18("10","8","7","8","5","4","1") = "9"
    & skf18("10","8","7","8","5","5","1") = "9"
    & skf18("10","8","7","8","5","6","1") = "9"
    & skf18("10","8","7","8","5","7","1") = "9"
    & skf18("10","8","7","8","5","8","1") = "9"
    & skf18("10","8","7","8","5","9","1") = "9"
    & skf18("10","8","7","8","5","10","1") = "9"
    & skf18("10","8","7","8","6","1","1") = "9"
    & skf18("10","8","7","8","6","2","1") = "9"
    & skf18("10","8","7","8","6","3","1") = "9"
    & skf18("10","8","7","8","6","4","1") = "9"
    & skf18("10","8","7","8","6","5","1") = "9"
    & skf18("10","8","7","8","6","6","1") = "9"
    & skf18("10","8","7","8","6","7","1") = "9"
    & skf18("10","8","7","8","6","8","1") = "9"
    & skf18("10","8","7","8","6","9","1") = "9"
    & skf18("10","8","7","8","6","10","1") = "9"
    & skf18("10","8","7","8","7","1","1") = "9"
    & skf18("10","8","7","8","7","2","1") = "9"
    & skf18("10","8","7","8","7","3","1") = "9"
    & skf18("10","8","7","8","7","4","1") = "9"
    & skf18("10","8","7","8","7","5","1") = "9"
    & skf18("10","8","7","8","7","6","1") = "9"
    & skf18("10","8","7","8","7","7","1") = "9"
    & skf18("10","8","7","8","7","8","1") = "9"
    & skf18("10","8","7","8","7","9","1") = "9"
    & skf18("10","8","7","8","7","10","1") = "9"
    & skf18("10","8","7","8","8","1","1") = "9"
    & skf18("10","8","7","8","8","2","1") = "9"
    & skf18("10","8","7","8","8","3","1") = "9"
    & skf18("10","8","7","8","8","4","1") = "9"
    & skf18("10","8","7","8","8","5","1") = "9"
    & skf18("10","8","7","8","8","6","1") = "9"
    & skf18("10","8","7","8","8","7","1") = "9"
    & skf18("10","8","7","8","8","8","1") = "9"
    & skf18("10","8","7","8","8","9","1") = "9"
    & skf18("10","8","7","8","8","10","1") = "9"
    & skf18("10","8","7","8","9","1","1") = "9"
    & skf18("10","8","7","8","9","2","1") = "9"
    & skf18("10","8","7","8","9","3","1") = "9"
    & skf18("10","8","7","8","9","4","1") = "9"
    & skf18("10","8","7","8","9","5","1") = "9"
    & skf18("10","8","7","8","9","6","1") = "9"
    & skf18("10","8","7","8","9","7","1") = "9"
    & skf18("10","8","7","8","9","8","1") = "9"
    & skf18("10","8","7","8","9","9","1") = "9"
    & skf18("10","8","7","8","9","10","1") = "9"
    & skf18("10","8","7","8","10","1","1") = "9"
    & skf18("10","8","7","8","10","2","1") = "9"
    & skf18("10","8","7","8","10","3","1") = "9"
    & skf18("10","8","7","8","10","4","1") = "9"
    & skf18("10","8","7","8","10","5","1") = "9"
    & skf18("10","8","7","8","10","6","1") = "9"
    & skf18("10","8","7","8","10","7","1") = "9"
    & skf18("10","8","7","8","10","8","1") = "9"
    & skf18("10","8","7","8","10","9","1") = "9"
    & skf18("10","8","7","8","10","10","1") = "9"
    & skf18("10","8","7","9","1","1","1") = "9"
    & skf18("10","8","7","9","1","2","1") = "9"
    & skf18("10","8","7","9","1","3","1") = "9"
    & skf18("10","8","7","9","1","4","1") = "9"
    & skf18("10","8","7","9","1","5","1") = "9"
    & skf18("10","8","7","9","1","6","1") = "9"
    & skf18("10","8","7","9","1","7","1") = "9"
    & skf18("10","8","7","9","1","8","1") = "9"
    & skf18("10","8","7","9","1","9","1") = "9"
    & skf18("10","8","7","9","1","10","1") = "9"
    & skf18("10","8","7","9","2","1","1") = "9"
    & skf18("10","8","7","9","2","2","1") = "9"
    & skf18("10","8","7","9","2","3","1") = "9"
    & skf18("10","8","7","9","2","4","1") = "9"
    & skf18("10","8","7","9","2","5","1") = "9"
    & skf18("10","8","7","9","2","6","1") = "9"
    & skf18("10","8","7","9","2","7","1") = "9"
    & skf18("10","8","7","9","2","8","1") = "9"
    & skf18("10","8","7","9","2","9","1") = "9"
    & skf18("10","8","7","9","2","10","1") = "9"
    & skf18("10","8","7","9","3","1","1") = "9"
    & skf18("10","8","7","9","3","2","1") = "9"
    & skf18("10","8","7","9","3","3","1") = "9"
    & skf18("10","8","7","9","3","4","1") = "9"
    & skf18("10","8","7","9","3","5","1") = "9"
    & skf18("10","8","7","9","3","6","1") = "9"
    & skf18("10","8","7","9","3","7","1") = "9"
    & skf18("10","8","7","9","3","8","1") = "9"
    & skf18("10","8","7","9","3","9","1") = "9"
    & skf18("10","8","7","9","3","10","1") = "9"
    & skf18("10","8","7","9","4","1","1") = "9"
    & skf18("10","8","7","9","4","2","1") = "9"
    & skf18("10","8","7","9","4","3","1") = "9"
    & skf18("10","8","7","9","4","4","1") = "9"
    & skf18("10","8","7","9","4","5","1") = "9"
    & skf18("10","8","7","9","4","6","1") = "9"
    & skf18("10","8","7","9","4","7","1") = "9"
    & skf18("10","8","7","9","4","8","1") = "9"
    & skf18("10","8","7","9","4","9","1") = "9"
    & skf18("10","8","7","9","4","10","1") = "9"
    & skf18("10","8","7","9","5","1","1") = "9"
    & skf18("10","8","7","9","5","2","1") = "9"
    & skf18("10","8","7","9","5","3","1") = "9"
    & skf18("10","8","7","9","5","4","1") = "9"
    & skf18("10","8","7","9","5","5","1") = "9"
    & skf18("10","8","7","9","5","6","1") = "9"
    & skf18("10","8","7","9","5","7","1") = "9"
    & skf18("10","8","7","9","5","8","1") = "9"
    & skf18("10","8","7","9","5","9","1") = "9"
    & skf18("10","8","7","9","5","10","1") = "9"
    & skf18("10","8","7","9","6","1","1") = "9"
    & skf18("10","8","7","9","6","2","1") = "9"
    & skf18("10","8","7","9","6","3","1") = "9"
    & skf18("10","8","7","9","6","4","1") = "9"
    & skf18("10","8","7","9","6","5","1") = "9"
    & skf18("10","8","7","9","6","6","1") = "9"
    & skf18("10","8","7","9","6","7","1") = "9"
    & skf18("10","8","7","9","6","8","1") = "9"
    & skf18("10","8","7","9","6","9","1") = "9"
    & skf18("10","8","7","9","6","10","1") = "9"
    & skf18("10","8","7","9","7","1","1") = "9"
    & skf18("10","8","7","9","7","2","1") = "9"
    & skf18("10","8","7","9","7","3","1") = "9"
    & skf18("10","8","7","9","7","4","1") = "9"
    & skf18("10","8","7","9","7","5","1") = "9"
    & skf18("10","8","7","9","7","6","1") = "9"
    & skf18("10","8","7","9","7","7","1") = "9"
    & skf18("10","8","7","9","7","8","1") = "9"
    & skf18("10","8","7","9","7","9","1") = "9"
    & skf18("10","8","7","9","7","10","1") = "9"
    & skf18("10","8","7","9","8","1","1") = "9"
    & skf18("10","8","7","9","8","2","1") = "9"
    & skf18("10","8","7","9","8","3","1") = "9"
    & skf18("10","8","7","9","8","4","1") = "9"
    & skf18("10","8","7","9","8","5","1") = "9"
    & skf18("10","8","7","9","8","6","1") = "9"
    & skf18("10","8","7","9","8","7","1") = "9"
    & skf18("10","8","7","9","8","8","1") = "9"
    & skf18("10","8","7","9","8","9","1") = "9"
    & skf18("10","8","7","9","8","10","1") = "9"
    & skf18("10","8","7","9","9","1","1") = "9"
    & skf18("10","8","7","9","9","2","1") = "9"
    & skf18("10","8","7","9","9","3","1") = "9"
    & skf18("10","8","7","9","9","4","1") = "9"
    & skf18("10","8","7","9","9","5","1") = "9"
    & skf18("10","8","7","9","9","6","1") = "9"
    & skf18("10","8","7","9","9","7","1") = "9"
    & skf18("10","8","7","9","9","8","1") = "9"
    & skf18("10","8","7","9","9","9","1") = "9"
    & skf18("10","8","7","9","9","10","1") = "9"
    & skf18("10","8","7","9","10","1","1") = "9"
    & skf18("10","8","7","9","10","2","1") = "9"
    & skf18("10","8","7","9","10","3","1") = "9"
    & skf18("10","8","7","9","10","4","1") = "9"
    & skf18("10","8","7","9","10","5","1") = "9"
    & skf18("10","8","7","9","10","6","1") = "9"
    & skf18("10","8","7","9","10","7","1") = "9"
    & skf18("10","8","7","9","10","8","1") = "9"
    & skf18("10","8","7","9","10","9","1") = "9"
    & skf18("10","8","7","9","10","10","1") = "9"
    & skf18("10","8","7","10","1","1","1") = "9"
    & skf18("10","8","7","10","1","2","1") = "9"
    & skf18("10","8","7","10","1","3","1") = "9"
    & skf18("10","8","7","10","1","4","1") = "9"
    & skf18("10","8","7","10","1","5","1") = "9"
    & skf18("10","8","7","10","1","6","1") = "9"
    & skf18("10","8","7","10","1","7","1") = "9"
    & skf18("10","8","7","10","1","8","1") = "9"
    & skf18("10","8","7","10","1","9","1") = "9"
    & skf18("10","8","7","10","1","10","1") = "9"
    & skf18("10","8","7","10","2","1","1") = "9"
    & skf18("10","8","7","10","2","2","1") = "9"
    & skf18("10","8","7","10","2","3","1") = "9"
    & skf18("10","8","7","10","2","4","1") = "9"
    & skf18("10","8","7","10","2","5","1") = "9"
    & skf18("10","8","7","10","2","6","1") = "9"
    & skf18("10","8","7","10","2","7","1") = "9"
    & skf18("10","8","7","10","2","8","1") = "9"
    & skf18("10","8","7","10","2","9","1") = "9"
    & skf18("10","8","7","10","2","10","1") = "9"
    & skf18("10","8","7","10","3","1","1") = "9"
    & skf18("10","8","7","10","3","2","1") = "9"
    & skf18("10","8","7","10","3","3","1") = "9"
    & skf18("10","8","7","10","3","4","1") = "9"
    & skf18("10","8","7","10","3","5","1") = "9"
    & skf18("10","8","7","10","3","6","1") = "9"
    & skf18("10","8","7","10","3","7","1") = "9"
    & skf18("10","8","7","10","3","8","1") = "9"
    & skf18("10","8","7","10","3","9","1") = "9"
    & skf18("10","8","7","10","3","10","1") = "9"
    & skf18("10","8","7","10","4","1","1") = "9"
    & skf18("10","8","7","10","4","2","1") = "9"
    & skf18("10","8","7","10","4","3","1") = "9"
    & skf18("10","8","7","10","4","4","1") = "9"
    & skf18("10","8","7","10","4","5","1") = "9"
    & skf18("10","8","7","10","4","6","1") = "9"
    & skf18("10","8","7","10","4","7","1") = "9"
    & skf18("10","8","7","10","4","8","1") = "9"
    & skf18("10","8","7","10","4","9","1") = "9"
    & skf18("10","8","7","10","4","10","1") = "9"
    & skf18("10","8","7","10","5","1","1") = "9"
    & skf18("10","8","7","10","5","2","1") = "9"
    & skf18("10","8","7","10","5","3","1") = "9"
    & skf18("10","8","7","10","5","4","1") = "9"
    & skf18("10","8","7","10","5","5","1") = "9"
    & skf18("10","8","7","10","5","6","1") = "9"
    & skf18("10","8","7","10","5","7","1") = "9"
    & skf18("10","8","7","10","5","8","1") = "9"
    & skf18("10","8","7","10","5","9","1") = "9"
    & skf18("10","8","7","10","5","10","1") = "9"
    & skf18("10","8","7","10","6","1","1") = "9"
    & skf18("10","8","7","10","6","2","1") = "9"
    & skf18("10","8","7","10","6","3","1") = "9"
    & skf18("10","8","7","10","6","4","1") = "9"
    & skf18("10","8","7","10","6","5","1") = "9"
    & skf18("10","8","7","10","6","6","1") = "9"
    & skf18("10","8","7","10","6","7","1") = "9"
    & skf18("10","8","7","10","6","8","1") = "9"
    & skf18("10","8","7","10","6","9","1") = "9"
    & skf18("10","8","7","10","6","10","1") = "9"
    & skf18("10","8","7","10","7","1","1") = "9"
    & skf18("10","8","7","10","7","2","1") = "9"
    & skf18("10","8","7","10","7","3","1") = "9"
    & skf18("10","8","7","10","7","4","1") = "9"
    & skf18("10","8","7","10","7","5","1") = "9"
    & skf18("10","8","7","10","7","6","1") = "9"
    & skf18("10","8","7","10","7","7","1") = "9"
    & skf18("10","8","7","10","7","8","1") = "9"
    & skf18("10","8","7","10","7","9","1") = "9"
    & skf18("10","8","7","10","7","10","1") = "9"
    & skf18("10","8","7","10","8","1","1") = "9"
    & skf18("10","8","7","10","8","2","1") = "9"
    & skf18("10","8","7","10","8","3","1") = "9"
    & skf18("10","8","7","10","8","4","1") = "9"
    & skf18("10","8","7","10","8","5","1") = "9"
    & skf18("10","8","7","10","8","6","1") = "9"
    & skf18("10","8","7","10","8","7","1") = "9"
    & skf18("10","8","7","10","8","8","1") = "9"
    & skf18("10","8","7","10","8","9","1") = "9"
    & skf18("10","8","7","10","8","10","1") = "9"
    & skf18("10","8","7","10","9","1","1") = "9"
    & skf18("10","8","7","10","9","2","1") = "9"
    & skf18("10","8","7","10","9","3","1") = "9"
    & skf18("10","8","7","10","9","4","1") = "9"
    & skf18("10","8","7","10","9","5","1") = "9"
    & skf18("10","8","7","10","9","6","1") = "9"
    & skf18("10","8","7","10","9","7","1") = "9"
    & skf18("10","8","7","10","9","8","1") = "9"
    & skf18("10","8","7","10","9","9","1") = "9"
    & skf18("10","8","7","10","9","10","1") = "9"
    & skf18("10","8","7","10","10","1","1") = "9"
    & skf18("10","8","7","10","10","2","1") = "9"
    & skf18("10","8","7","10","10","3","1") = "9"
    & skf18("10","8","7","10","10","4","1") = "9"
    & skf18("10","8","7","10","10","5","1") = "9"
    & skf18("10","8","7","10","10","6","1") = "9"
    & skf18("10","8","7","10","10","7","1") = "9"
    & skf18("10","8","7","10","10","8","1") = "9"
    & skf18("10","8","7","10","10","9","1") = "9"
    & skf18("10","8","7","10","10","10","1") = "9"
    & skf18("10","8","8","1","1","1","1") = "9"
    & skf18("10","8","8","1","1","2","1") = "9"
    & skf18("10","8","8","1","1","3","1") = "9"
    & skf18("10","8","8","1","1","4","1") = "9"
    & skf18("10","8","8","1","1","5","1") = "9"
    & skf18("10","8","8","1","1","6","1") = "9"
    & skf18("10","8","8","1","1","7","1") = "9"
    & skf18("10","8","8","1","1","8","1") = "9"
    & skf18("10","8","8","1","1","9","1") = "9"
    & skf18("10","8","8","1","1","10","1") = "9"
    & skf18("10","8","8","1","2","1","1") = "9"
    & skf18("10","8","8","1","2","2","1") = "9"
    & skf18("10","8","8","1","2","3","1") = "9"
    & skf18("10","8","8","1","2","4","1") = "9"
    & skf18("10","8","8","1","2","5","1") = "9"
    & skf18("10","8","8","1","2","6","1") = "9"
    & skf18("10","8","8","1","2","7","1") = "9"
    & skf18("10","8","8","1","2","8","1") = "9"
    & skf18("10","8","8","1","2","9","1") = "9"
    & skf18("10","8","8","1","2","10","1") = "9"
    & skf18("10","8","8","1","3","1","1") = "9"
    & skf18("10","8","8","1","3","2","1") = "9"
    & skf18("10","8","8","1","3","3","1") = "9"
    & skf18("10","8","8","1","3","4","1") = "9"
    & skf18("10","8","8","1","3","5","1") = "9"
    & skf18("10","8","8","1","3","6","1") = "9"
    & skf18("10","8","8","1","3","7","1") = "9"
    & skf18("10","8","8","1","3","8","1") = "9"
    & skf18("10","8","8","1","3","9","1") = "9"
    & skf18("10","8","8","1","3","10","1") = "9"
    & skf18("10","8","8","1","4","1","1") = "9"
    & skf18("10","8","8","1","4","2","1") = "9"
    & skf18("10","8","8","1","4","3","1") = "9"
    & skf18("10","8","8","1","4","4","1") = "9"
    & skf18("10","8","8","1","4","5","1") = "9"
    & skf18("10","8","8","1","4","6","1") = "9"
    & skf18("10","8","8","1","4","7","1") = "9"
    & skf18("10","8","8","1","4","8","1") = "9"
    & skf18("10","8","8","1","4","9","1") = "9"
    & skf18("10","8","8","1","4","10","1") = "9"
    & skf18("10","8","8","1","5","1","1") = "9"
    & skf18("10","8","8","1","5","2","1") = "9"
    & skf18("10","8","8","1","5","3","1") = "9"
    & skf18("10","8","8","1","5","4","1") = "9"
    & skf18("10","8","8","1","5","5","1") = "9"
    & skf18("10","8","8","1","5","6","1") = "9"
    & skf18("10","8","8","1","5","7","1") = "9"
    & skf18("10","8","8","1","5","8","1") = "9"
    & skf18("10","8","8","1","5","9","1") = "9"
    & skf18("10","8","8","1","5","10","1") = "9"
    & skf18("10","8","8","1","6","1","1") = "9"
    & skf18("10","8","8","1","6","2","1") = "9"
    & skf18("10","8","8","1","6","3","1") = "9"
    & skf18("10","8","8","1","6","4","1") = "9"
    & skf18("10","8","8","1","6","5","1") = "9"
    & skf18("10","8","8","1","6","6","1") = "9"
    & skf18("10","8","8","1","6","7","1") = "9"
    & skf18("10","8","8","1","6","8","1") = "9"
    & skf18("10","8","8","1","6","9","1") = "9"
    & skf18("10","8","8","1","6","10","1") = "9"
    & skf18("10","8","8","1","7","1","1") = "9"
    & skf18("10","8","8","1","7","2","1") = "9"
    & skf18("10","8","8","1","7","3","1") = "9"
    & skf18("10","8","8","1","7","4","1") = "9"
    & skf18("10","8","8","1","7","5","1") = "9"
    & skf18("10","8","8","1","7","6","1") = "9"
    & skf18("10","8","8","1","7","7","1") = "9"
    & skf18("10","8","8","1","7","8","1") = "9"
    & skf18("10","8","8","1","7","9","1") = "9"
    & skf18("10","8","8","1","7","10","1") = "9"
    & skf18("10","8","8","1","8","1","1") = "9"
    & skf18("10","8","8","1","8","2","1") = "9"
    & skf18("10","8","8","1","8","3","1") = "9"
    & skf18("10","8","8","1","8","4","1") = "9"
    & skf18("10","8","8","1","8","5","1") = "9"
    & skf18("10","8","8","1","8","6","1") = "9"
    & skf18("10","8","8","1","8","7","1") = "9"
    & skf18("10","8","8","1","8","8","1") = "9"
    & skf18("10","8","8","1","8","9","1") = "9"
    & skf18("10","8","8","1","8","10","1") = "9"
    & skf18("10","8","8","1","9","1","1") = "9"
    & skf18("10","8","8","1","9","2","1") = "9"
    & skf18("10","8","8","1","9","3","1") = "9"
    & skf18("10","8","8","1","9","4","1") = "9"
    & skf18("10","8","8","1","9","5","1") = "9"
    & skf18("10","8","8","1","9","6","1") = "9"
    & skf18("10","8","8","1","9","7","1") = "9"
    & skf18("10","8","8","1","9","8","1") = "9"
    & skf18("10","8","8","1","9","9","1") = "9"
    & skf18("10","8","8","1","9","10","1") = "9"
    & skf18("10","8","8","1","10","1","1") = "9"
    & skf18("10","8","8","1","10","2","1") = "9"
    & skf18("10","8","8","1","10","3","1") = "9"
    & skf18("10","8","8","1","10","4","1") = "9"
    & skf18("10","8","8","1","10","5","1") = "9"
    & skf18("10","8","8","1","10","6","1") = "9"
    & skf18("10","8","8","1","10","7","1") = "9"
    & skf18("10","8","8","1","10","8","1") = "9"
    & skf18("10","8","8","1","10","9","1") = "9"
    & skf18("10","8","8","1","10","10","1") = "9"
    & skf18("10","8","8","2","1","1","1") = "9"
    & skf18("10","8","8","2","1","2","1") = "9"
    & skf18("10","8","8","2","1","3","1") = "9"
    & skf18("10","8","8","2","1","4","1") = "9"
    & skf18("10","8","8","2","1","5","1") = "9"
    & skf18("10","8","8","2","1","6","1") = "9"
    & skf18("10","8","8","2","1","7","1") = "9"
    & skf18("10","8","8","2","1","8","1") = "9"
    & skf18("10","8","8","2","1","9","1") = "9"
    & skf18("10","8","8","2","1","10","1") = "9"
    & skf18("10","8","8","2","2","1","1") = "9"
    & skf18("10","8","8","2","2","2","1") = "9"
    & skf18("10","8","8","2","2","3","1") = "9"
    & skf18("10","8","8","2","2","4","1") = "9"
    & skf18("10","8","8","2","2","5","1") = "9"
    & skf18("10","8","8","2","2","6","1") = "9"
    & skf18("10","8","8","2","2","7","1") = "9"
    & skf18("10","8","8","2","2","8","1") = "9"
    & skf18("10","8","8","2","2","9","1") = "9"
    & skf18("10","8","8","2","2","10","1") = "9"
    & skf18("10","8","8","2","3","1","1") = "9"
    & skf18("10","8","8","2","3","2","1") = "9"
    & skf18("10","8","8","2","3","3","1") = "9"
    & skf18("10","8","8","2","3","4","1") = "9"
    & skf18("10","8","8","2","3","5","1") = "9"
    & skf18("10","8","8","2","3","6","1") = "9"
    & skf18("10","8","8","2","3","7","1") = "9"
    & skf18("10","8","8","2","3","8","1") = "9"
    & skf18("10","8","8","2","3","9","1") = "9"
    & skf18("10","8","8","2","3","10","1") = "9"
    & skf18("10","8","8","2","4","1","1") = "9"
    & skf18("10","8","8","2","4","2","1") = "9"
    & skf18("10","8","8","2","4","3","1") = "9"
    & skf18("10","8","8","2","4","4","1") = "9"
    & skf18("10","8","8","2","4","5","1") = "9"
    & skf18("10","8","8","2","4","6","1") = "9"
    & skf18("10","8","8","2","4","7","1") = "9"
    & skf18("10","8","8","2","4","8","1") = "9"
    & skf18("10","8","8","2","4","9","1") = "9"
    & skf18("10","8","8","2","4","10","1") = "9"
    & skf18("10","8","8","2","5","1","1") = "9"
    & skf18("10","8","8","2","5","2","1") = "9"
    & skf18("10","8","8","2","5","3","1") = "9"
    & skf18("10","8","8","2","5","4","1") = "9"
    & skf18("10","8","8","2","5","5","1") = "9"
    & skf18("10","8","8","2","5","6","1") = "9"
    & skf18("10","8","8","2","5","7","1") = "9"
    & skf18("10","8","8","2","5","8","1") = "9"
    & skf18("10","8","8","2","5","9","1") = "9"
    & skf18("10","8","8","2","5","10","1") = "9"
    & skf18("10","8","8","2","6","1","1") = "9"
    & skf18("10","8","8","2","6","2","1") = "9"
    & skf18("10","8","8","2","6","3","1") = "9"
    & skf18("10","8","8","2","6","4","1") = "9"
    & skf18("10","8","8","2","6","5","1") = "9"
    & skf18("10","8","8","2","6","6","1") = "9"
    & skf18("10","8","8","2","6","7","1") = "9"
    & skf18("10","8","8","2","6","8","1") = "9"
    & skf18("10","8","8","2","6","9","1") = "9"
    & skf18("10","8","8","2","6","10","1") = "9"
    & skf18("10","8","8","2","7","1","1") = "9"
    & skf18("10","8","8","2","7","2","1") = "9"
    & skf18("10","8","8","2","7","3","1") = "9"
    & skf18("10","8","8","2","7","4","1") = "9"
    & skf18("10","8","8","2","7","5","1") = "9"
    & skf18("10","8","8","2","7","6","1") = "9"
    & skf18("10","8","8","2","7","7","1") = "9"
    & skf18("10","8","8","2","7","8","1") = "9"
    & skf18("10","8","8","2","7","9","1") = "9"
    & skf18("10","8","8","2","7","10","1") = "9"
    & skf18("10","8","8","2","8","1","1") = "9"
    & skf18("10","8","8","2","8","2","1") = "9"
    & skf18("10","8","8","2","8","3","1") = "9"
    & skf18("10","8","8","2","8","4","1") = "9"
    & skf18("10","8","8","2","8","5","1") = "9"
    & skf18("10","8","8","2","8","6","1") = "9"
    & skf18("10","8","8","2","8","7","1") = "9"
    & skf18("10","8","8","2","8","8","1") = "9"
    & skf18("10","8","8","2","8","9","1") = "9"
    & skf18("10","8","8","2","8","10","1") = "9"
    & skf18("10","8","8","2","9","1","1") = "9"
    & skf18("10","8","8","2","9","2","1") = "9"
    & skf18("10","8","8","2","9","3","1") = "9"
    & skf18("10","8","8","2","9","4","1") = "9"
    & skf18("10","8","8","2","9","5","1") = "9"
    & skf18("10","8","8","2","9","6","1") = "9"
    & skf18("10","8","8","2","9","7","1") = "9"
    & skf18("10","8","8","2","9","8","1") = "9"
    & skf18("10","8","8","2","9","9","1") = "9"
    & skf18("10","8","8","2","9","10","1") = "9"
    & skf18("10","8","8","2","10","1","1") = "9"
    & skf18("10","8","8","2","10","2","1") = "9"
    & skf18("10","8","8","2","10","3","1") = "9"
    & skf18("10","8","8","2","10","4","1") = "9"
    & skf18("10","8","8","2","10","5","1") = "9"
    & skf18("10","8","8","2","10","6","1") = "9"
    & skf18("10","8","8","2","10","7","1") = "9"
    & skf18("10","8","8","2","10","8","1") = "9"
    & skf18("10","8","8","2","10","9","1") = "9"
    & skf18("10","8","8","2","10","10","1") = "9"
    & skf18("10","8","8","3","1","1","1") = "9"
    & skf18("10","8","8","3","1","2","1") = "9"
    & skf18("10","8","8","3","1","3","1") = "9"
    & skf18("10","8","8","3","1","4","1") = "9"
    & skf18("10","8","8","3","1","5","1") = "9"
    & skf18("10","8","8","3","1","6","1") = "9"
    & skf18("10","8","8","3","1","7","1") = "9"
    & skf18("10","8","8","3","1","8","1") = "9"
    & skf18("10","8","8","3","1","9","1") = "9"
    & skf18("10","8","8","3","1","10","1") = "9"
    & skf18("10","8","8","3","2","1","1") = "9"
    & skf18("10","8","8","3","2","2","1") = "9"
    & skf18("10","8","8","3","2","3","1") = "9"
    & skf18("10","8","8","3","2","4","1") = "9"
    & skf18("10","8","8","3","2","5","1") = "9"
    & skf18("10","8","8","3","2","6","1") = "9"
    & skf18("10","8","8","3","2","7","1") = "9"
    & skf18("10","8","8","3","2","8","1") = "9"
    & skf18("10","8","8","3","2","9","1") = "9"
    & skf18("10","8","8","3","2","10","1") = "9"
    & skf18("10","8","8","3","3","1","1") = "9"
    & skf18("10","8","8","3","3","2","1") = "9"
    & skf18("10","8","8","3","3","3","1") = "9"
    & skf18("10","8","8","3","3","4","1") = "9"
    & skf18("10","8","8","3","3","5","1") = "9"
    & skf18("10","8","8","3","3","6","1") = "9"
    & skf18("10","8","8","3","3","7","1") = "9"
    & skf18("10","8","8","3","3","8","1") = "9"
    & skf18("10","8","8","3","3","9","1") = "9"
    & skf18("10","8","8","3","3","10","1") = "9"
    & skf18("10","8","8","3","4","1","1") = "9"
    & skf18("10","8","8","3","4","2","1") = "9"
    & skf18("10","8","8","3","4","3","1") = "9"
    & skf18("10","8","8","3","4","4","1") = "9"
    & skf18("10","8","8","3","4","5","1") = "9"
    & skf18("10","8","8","3","4","6","1") = "9"
    & skf18("10","8","8","3","4","7","1") = "9"
    & skf18("10","8","8","3","4","8","1") = "9"
    & skf18("10","8","8","3","4","9","1") = "9"
    & skf18("10","8","8","3","4","10","1") = "9"
    & skf18("10","8","8","3","5","1","1") = "9"
    & skf18("10","8","8","3","5","2","1") = "9"
    & skf18("10","8","8","3","5","3","1") = "9"
    & skf18("10","8","8","3","5","4","1") = "9"
    & skf18("10","8","8","3","5","5","1") = "9"
    & skf18("10","8","8","3","5","6","1") = "9"
    & skf18("10","8","8","3","5","7","1") = "9"
    & skf18("10","8","8","3","5","8","1") = "9"
    & skf18("10","8","8","3","5","9","1") = "9"
    & skf18("10","8","8","3","5","10","1") = "9"
    & skf18("10","8","8","3","6","1","1") = "9"
    & skf18("10","8","8","3","6","2","1") = "9"
    & skf18("10","8","8","3","6","3","1") = "9"
    & skf18("10","8","8","3","6","4","1") = "9"
    & skf18("10","8","8","3","6","5","1") = "9"
    & skf18("10","8","8","3","6","6","1") = "9"
    & skf18("10","8","8","3","6","7","1") = "9"
    & skf18("10","8","8","3","6","8","1") = "9"
    & skf18("10","8","8","3","6","9","1") = "9"
    & skf18("10","8","8","3","6","10","1") = "9"
    & skf18("10","8","8","3","7","1","1") = "9"
    & skf18("10","8","8","3","7","2","1") = "9"
    & skf18("10","8","8","3","7","3","1") = "9"
    & skf18("10","8","8","3","7","4","1") = "9"
    & skf18("10","8","8","3","7","5","1") = "9"
    & skf18("10","8","8","3","7","6","1") = "9"
    & skf18("10","8","8","3","7","7","1") = "9"
    & skf18("10","8","8","3","7","8","1") = "9"
    & skf18("10","8","8","3","7","9","1") = "9"
    & skf18("10","8","8","3","7","10","1") = "9"
    & skf18("10","8","8","3","8","1","1") = "9"
    & skf18("10","8","8","3","8","2","1") = "9"
    & skf18("10","8","8","3","8","3","1") = "9"
    & skf18("10","8","8","3","8","4","1") = "9"
    & skf18("10","8","8","3","8","5","1") = "9"
    & skf18("10","8","8","3","8","6","1") = "9"
    & skf18("10","8","8","3","8","7","1") = "9"
    & skf18("10","8","8","3","8","8","1") = "9"
    & skf18("10","8","8","3","8","9","1") = "9"
    & skf18("10","8","8","3","8","10","1") = "9"
    & skf18("10","8","8","3","9","1","1") = "9"
    & skf18("10","8","8","3","9","2","1") = "9"
    & skf18("10","8","8","3","9","3","1") = "9"
    & skf18("10","8","8","3","9","4","1") = "9"
    & skf18("10","8","8","3","9","5","1") = "9"
    & skf18("10","8","8","3","9","6","1") = "9"
    & skf18("10","8","8","3","9","7","1") = "9"
    & skf18("10","8","8","3","9","8","1") = "9"
    & skf18("10","8","8","3","9","9","1") = "9"
    & skf18("10","8","8","3","9","10","1") = "9"
    & skf18("10","8","8","3","10","1","1") = "9"
    & skf18("10","8","8","3","10","2","1") = "9"
    & skf18("10","8","8","3","10","3","1") = "9"
    & skf18("10","8","8","3","10","4","1") = "9"
    & skf18("10","8","8","3","10","5","1") = "9"
    & skf18("10","8","8","3","10","6","1") = "9"
    & skf18("10","8","8","3","10","7","1") = "9"
    & skf18("10","8","8","3","10","8","1") = "9"
    & skf18("10","8","8","3","10","9","1") = "9"
    & skf18("10","8","8","3","10","10","1") = "9"
    & skf18("10","8","8","4","1","1","1") = "9"
    & skf18("10","8","8","4","1","2","1") = "9"
    & skf18("10","8","8","4","1","3","1") = "9"
    & skf18("10","8","8","4","1","4","1") = "9"
    & skf18("10","8","8","4","1","5","1") = "9"
    & skf18("10","8","8","4","1","6","1") = "9"
    & skf18("10","8","8","4","1","7","1") = "9"
    & skf18("10","8","8","4","1","8","1") = "9"
    & skf18("10","8","8","4","1","9","1") = "9"
    & skf18("10","8","8","4","1","10","1") = "9"
    & skf18("10","8","8","4","2","1","1") = "9"
    & skf18("10","8","8","4","2","2","1") = "9"
    & skf18("10","8","8","4","2","3","1") = "9"
    & skf18("10","8","8","4","2","4","1") = "9"
    & skf18("10","8","8","4","2","5","1") = "9"
    & skf18("10","8","8","4","2","6","1") = "9"
    & skf18("10","8","8","4","2","7","1") = "9"
    & skf18("10","8","8","4","2","8","1") = "9"
    & skf18("10","8","8","4","2","9","1") = "9"
    & skf18("10","8","8","4","2","10","1") = "9"
    & skf18("10","8","8","4","3","1","1") = "9"
    & skf18("10","8","8","4","3","2","1") = "9"
    & skf18("10","8","8","4","3","3","1") = "9"
    & skf18("10","8","8","4","3","4","1") = "9"
    & skf18("10","8","8","4","3","5","1") = "9"
    & skf18("10","8","8","4","3","6","1") = "9"
    & skf18("10","8","8","4","3","7","1") = "9"
    & skf18("10","8","8","4","3","8","1") = "9"
    & skf18("10","8","8","4","3","9","1") = "9"
    & skf18("10","8","8","4","3","10","1") = "9"
    & skf18("10","8","8","4","4","1","1") = "9"
    & skf18("10","8","8","4","4","2","1") = "9"
    & skf18("10","8","8","4","4","3","1") = "9"
    & skf18("10","8","8","4","4","4","1") = "9"
    & skf18("10","8","8","4","4","5","1") = "9"
    & skf18("10","8","8","4","4","6","1") = "9"
    & skf18("10","8","8","4","4","7","1") = "9"
    & skf18("10","8","8","4","4","8","1") = "9"
    & skf18("10","8","8","4","4","9","1") = "9"
    & skf18("10","8","8","4","4","10","1") = "9"
    & skf18("10","8","8","4","5","1","1") = "9"
    & skf18("10","8","8","4","5","2","1") = "9"
    & skf18("10","8","8","4","5","3","1") = "9"
    & skf18("10","8","8","4","5","4","1") = "9"
    & skf18("10","8","8","4","5","5","1") = "9"
    & skf18("10","8","8","4","5","6","1") = "9"
    & skf18("10","8","8","4","5","7","1") = "9"
    & skf18("10","8","8","4","5","8","1") = "9"
    & skf18("10","8","8","4","5","9","1") = "9"
    & skf18("10","8","8","4","5","10","1") = "9"
    & skf18("10","8","8","4","6","1","1") = "9"
    & skf18("10","8","8","4","6","2","1") = "9"
    & skf18("10","8","8","4","6","3","1") = "9"
    & skf18("10","8","8","4","6","4","1") = "9"
    & skf18("10","8","8","4","6","5","1") = "9"
    & skf18("10","8","8","4","6","6","1") = "9"
    & skf18("10","8","8","4","6","7","1") = "9"
    & skf18("10","8","8","4","6","8","1") = "9"
    & skf18("10","8","8","4","6","9","1") = "9"
    & skf18("10","8","8","4","6","10","1") = "9"
    & skf18("10","8","8","4","7","1","1") = "9"
    & skf18("10","8","8","4","7","2","1") = "9"
    & skf18("10","8","8","4","7","3","1") = "9"
    & skf18("10","8","8","4","7","4","1") = "9"
    & skf18("10","8","8","4","7","5","1") = "9"
    & skf18("10","8","8","4","7","6","1") = "9"
    & skf18("10","8","8","4","7","7","1") = "9"
    & skf18("10","8","8","4","7","8","1") = "9"
    & skf18("10","8","8","4","7","9","1") = "9"
    & skf18("10","8","8","4","7","10","1") = "9"
    & skf18("10","8","8","4","8","1","1") = "9"
    & skf18("10","8","8","4","8","2","1") = "9"
    & skf18("10","8","8","4","8","3","1") = "9"
    & skf18("10","8","8","4","8","4","1") = "9"
    & skf18("10","8","8","4","8","5","1") = "9"
    & skf18("10","8","8","4","8","6","1") = "9"
    & skf18("10","8","8","4","8","7","1") = "9"
    & skf18("10","8","8","4","8","8","1") = "9"
    & skf18("10","8","8","4","8","9","1") = "9"
    & skf18("10","8","8","4","8","10","1") = "9"
    & skf18("10","8","8","4","9","1","1") = "9"
    & skf18("10","8","8","4","9","2","1") = "9"
    & skf18("10","8","8","4","9","3","1") = "9"
    & skf18("10","8","8","4","9","4","1") = "9"
    & skf18("10","8","8","4","9","5","1") = "9"
    & skf18("10","8","8","4","9","6","1") = "9"
    & skf18("10","8","8","4","9","7","1") = "9"
    & skf18("10","8","8","4","9","8","1") = "9"
    & skf18("10","8","8","4","9","9","1") = "9"
    & skf18("10","8","8","4","9","10","1") = "9"
    & skf18("10","8","8","4","10","1","1") = "9"
    & skf18("10","8","8","4","10","2","1") = "9"
    & skf18("10","8","8","4","10","3","1") = "9"
    & skf18("10","8","8","4","10","4","1") = "9"
    & skf18("10","8","8","4","10","5","1") = "9"
    & skf18("10","8","8","4","10","6","1") = "9"
    & skf18("10","8","8","4","10","7","1") = "9"
    & skf18("10","8","8","4","10","8","1") = "9"
    & skf18("10","8","8","4","10","9","1") = "9"
    & skf18("10","8","8","4","10","10","1") = "9"
    & skf18("10","8","8","5","1","1","1") = "9"
    & skf18("10","8","8","5","1","2","1") = "9"
    & skf18("10","8","8","5","1","3","1") = "9"
    & skf18("10","8","8","5","1","4","1") = "9"
    & skf18("10","8","8","5","1","5","1") = "9"
    & skf18("10","8","8","5","1","6","1") = "9"
    & skf18("10","8","8","5","1","7","1") = "9"
    & skf18("10","8","8","5","1","8","1") = "9"
    & skf18("10","8","8","5","1","9","1") = "9"
    & skf18("10","8","8","5","1","10","1") = "9"
    & skf18("10","8","8","5","2","1","1") = "9"
    & skf18("10","8","8","5","2","2","1") = "9"
    & skf18("10","8","8","5","2","3","1") = "9"
    & skf18("10","8","8","5","2","4","1") = "9"
    & skf18("10","8","8","5","2","5","1") = "9"
    & skf18("10","8","8","5","2","6","1") = "9"
    & skf18("10","8","8","5","2","7","1") = "9"
    & skf18("10","8","8","5","2","8","1") = "9"
    & skf18("10","8","8","5","2","9","1") = "9"
    & skf18("10","8","8","5","2","10","1") = "9"
    & skf18("10","8","8","5","3","1","1") = "9"
    & skf18("10","8","8","5","3","2","1") = "9"
    & skf18("10","8","8","5","3","3","1") = "9"
    & skf18("10","8","8","5","3","4","1") = "9"
    & skf18("10","8","8","5","3","5","1") = "9"
    & skf18("10","8","8","5","3","6","1") = "9"
    & skf18("10","8","8","5","3","7","1") = "9"
    & skf18("10","8","8","5","3","8","1") = "9"
    & skf18("10","8","8","5","3","9","1") = "9"
    & skf18("10","8","8","5","3","10","1") = "9"
    & skf18("10","8","8","5","4","1","1") = "9"
    & skf18("10","8","8","5","4","2","1") = "9"
    & skf18("10","8","8","5","4","3","1") = "9"
    & skf18("10","8","8","5","4","4","1") = "9"
    & skf18("10","8","8","5","4","5","1") = "9"
    & skf18("10","8","8","5","4","6","1") = "9"
    & skf18("10","8","8","5","4","7","1") = "9"
    & skf18("10","8","8","5","4","8","1") = "9"
    & skf18("10","8","8","5","4","9","1") = "9"
    & skf18("10","8","8","5","4","10","1") = "9"
    & skf18("10","8","8","5","5","1","1") = "9"
    & skf18("10","8","8","5","5","2","1") = "9"
    & skf18("10","8","8","5","5","3","1") = "9"
    & skf18("10","8","8","5","5","4","1") = "9"
    & skf18("10","8","8","5","5","5","1") = "9"
    & skf18("10","8","8","5","5","6","1") = "9"
    & skf18("10","8","8","5","5","7","1") = "9"
    & skf18("10","8","8","5","5","8","1") = "9"
    & skf18("10","8","8","5","5","9","1") = "9"
    & skf18("10","8","8","5","5","10","1") = "9"
    & skf18("10","8","8","5","6","1","1") = "9"
    & skf18("10","8","8","5","6","2","1") = "9"
    & skf18("10","8","8","5","6","3","1") = "9"
    & skf18("10","8","8","5","6","4","1") = "9"
    & skf18("10","8","8","5","6","5","1") = "9"
    & skf18("10","8","8","5","6","6","1") = "9"
    & skf18("10","8","8","5","6","7","1") = "9"
    & skf18("10","8","8","5","6","8","1") = "9"
    & skf18("10","8","8","5","6","9","1") = "9"
    & skf18("10","8","8","5","6","10","1") = "9"
    & skf18("10","8","8","5","7","1","1") = "9"
    & skf18("10","8","8","5","7","2","1") = "9"
    & skf18("10","8","8","5","7","3","1") = "9"
    & skf18("10","8","8","5","7","4","1") = "9"
    & skf18("10","8","8","5","7","5","1") = "9"
    & skf18("10","8","8","5","7","6","1") = "9"
    & skf18("10","8","8","5","7","7","1") = "9"
    & skf18("10","8","8","5","7","8","1") = "9"
    & skf18("10","8","8","5","7","9","1") = "9"
    & skf18("10","8","8","5","7","10","1") = "9"
    & skf18("10","8","8","5","8","1","1") = "9"
    & skf18("10","8","8","5","8","2","1") = "9"
    & skf18("10","8","8","5","8","3","1") = "9"
    & skf18("10","8","8","5","8","4","1") = "9"
    & skf18("10","8","8","5","8","5","1") = "9"
    & skf18("10","8","8","5","8","6","1") = "9"
    & skf18("10","8","8","5","8","7","1") = "9"
    & skf18("10","8","8","5","8","8","1") = "9"
    & skf18("10","8","8","5","8","9","1") = "9"
    & skf18("10","8","8","5","8","10","1") = "9"
    & skf18("10","8","8","5","9","1","1") = "9"
    & skf18("10","8","8","5","9","2","1") = "9"
    & skf18("10","8","8","5","9","3","1") = "9"
    & skf18("10","8","8","5","9","4","1") = "9"
    & skf18("10","8","8","5","9","5","1") = "9"
    & skf18("10","8","8","5","9","6","1") = "9"
    & skf18("10","8","8","5","9","7","1") = "9"
    & skf18("10","8","8","5","9","8","1") = "9"
    & skf18("10","8","8","5","9","9","1") = "9"
    & skf18("10","8","8","5","9","10","1") = "9"
    & skf18("10","8","8","5","10","1","1") = "9"
    & skf18("10","8","8","5","10","2","1") = "9"
    & skf18("10","8","8","5","10","3","1") = "9"
    & skf18("10","8","8","5","10","4","1") = "9"
    & skf18("10","8","8","5","10","5","1") = "9"
    & skf18("10","8","8","5","10","6","1") = "9"
    & skf18("10","8","8","5","10","7","1") = "9"
    & skf18("10","8","8","5","10","8","1") = "9"
    & skf18("10","8","8","5","10","9","1") = "9"
    & skf18("10","8","8","5","10","10","1") = "9"
    & skf18("10","8","8","6","1","1","1") = "9"
    & skf18("10","8","8","6","1","2","1") = "9"
    & skf18("10","8","8","6","1","3","1") = "9"
    & skf18("10","8","8","6","1","4","1") = "9"
    & skf18("10","8","8","6","1","5","1") = "9"
    & skf18("10","8","8","6","1","6","1") = "9"
    & skf18("10","8","8","6","1","7","1") = "9"
    & skf18("10","8","8","6","1","8","1") = "9"
    & skf18("10","8","8","6","1","9","1") = "9"
    & skf18("10","8","8","6","1","10","1") = "9"
    & skf18("10","8","8","6","2","1","1") = "9"
    & skf18("10","8","8","6","2","2","1") = "9"
    & skf18("10","8","8","6","2","3","1") = "9"
    & skf18("10","8","8","6","2","4","1") = "9"
    & skf18("10","8","8","6","2","5","1") = "9"
    & skf18("10","8","8","6","2","6","1") = "9"
    & skf18("10","8","8","6","2","7","1") = "9"
    & skf18("10","8","8","6","2","8","1") = "9"
    & skf18("10","8","8","6","2","9","1") = "9"
    & skf18("10","8","8","6","2","10","1") = "9"
    & skf18("10","8","8","6","3","1","1") = "9"
    & skf18("10","8","8","6","3","2","1") = "9"
    & skf18("10","8","8","6","3","3","1") = "9"
    & skf18("10","8","8","6","3","4","1") = "9"
    & skf18("10","8","8","6","3","5","1") = "9"
    & skf18("10","8","8","6","3","6","1") = "9"
    & skf18("10","8","8","6","3","7","1") = "9"
    & skf18("10","8","8","6","3","8","1") = "9"
    & skf18("10","8","8","6","3","9","1") = "9"
    & skf18("10","8","8","6","3","10","1") = "9"
    & skf18("10","8","8","6","4","1","1") = "9"
    & skf18("10","8","8","6","4","2","1") = "9"
    & skf18("10","8","8","6","4","3","1") = "9"
    & skf18("10","8","8","6","4","4","1") = "9"
    & skf18("10","8","8","6","4","5","1") = "9"
    & skf18("10","8","8","6","4","6","1") = "9"
    & skf18("10","8","8","6","4","7","1") = "9"
    & skf18("10","8","8","6","4","8","1") = "9"
    & skf18("10","8","8","6","4","9","1") = "9"
    & skf18("10","8","8","6","4","10","1") = "9"
    & skf18("10","8","8","6","5","1","1") = "9"
    & skf18("10","8","8","6","5","2","1") = "9"
    & skf18("10","8","8","6","5","3","1") = "9"
    & skf18("10","8","8","6","5","4","1") = "9"
    & skf18("10","8","8","6","5","5","1") = "9"
    & skf18("10","8","8","6","5","6","1") = "9"
    & skf18("10","8","8","6","5","7","1") = "9"
    & skf18("10","8","8","6","5","8","1") = "9"
    & skf18("10","8","8","6","5","9","1") = "9"
    & skf18("10","8","8","6","5","10","1") = "9"
    & skf18("10","8","8","6","6","1","1") = "9"
    & skf18("10","8","8","6","6","2","1") = "9"
    & skf18("10","8","8","6","6","3","1") = "9"
    & skf18("10","8","8","6","6","4","1") = "9"
    & skf18("10","8","8","6","6","5","1") = "9"
    & skf18("10","8","8","6","6","6","1") = "9"
    & skf18("10","8","8","6","6","7","1") = "9"
    & skf18("10","8","8","6","6","8","1") = "9"
    & skf18("10","8","8","6","6","9","1") = "9"
    & skf18("10","8","8","6","6","10","1") = "9"
    & skf18("10","8","8","6","7","1","1") = "9"
    & skf18("10","8","8","6","7","2","1") = "9"
    & skf18("10","8","8","6","7","3","1") = "9"
    & skf18("10","8","8","6","7","4","1") = "9"
    & skf18("10","8","8","6","7","5","1") = "9"
    & skf18("10","8","8","6","7","6","1") = "9"
    & skf18("10","8","8","6","7","7","1") = "9"
    & skf18("10","8","8","6","7","8","1") = "9"
    & skf18("10","8","8","6","7","9","1") = "9"
    & skf18("10","8","8","6","7","10","1") = "9"
    & skf18("10","8","8","6","8","1","1") = "9"
    & skf18("10","8","8","6","8","2","1") = "9"
    & skf18("10","8","8","6","8","3","1") = "9"
    & skf18("10","8","8","6","8","4","1") = "9"
    & skf18("10","8","8","6","8","5","1") = "9"
    & skf18("10","8","8","6","8","6","1") = "9"
    & skf18("10","8","8","6","8","7","1") = "9"
    & skf18("10","8","8","6","8","8","1") = "9"
    & skf18("10","8","8","6","8","9","1") = "9"
    & skf18("10","8","8","6","8","10","1") = "9"
    & skf18("10","8","8","6","9","1","1") = "9"
    & skf18("10","8","8","6","9","2","1") = "9"
    & skf18("10","8","8","6","9","3","1") = "9"
    & skf18("10","8","8","6","9","4","1") = "9"
    & skf18("10","8","8","6","9","5","1") = "9"
    & skf18("10","8","8","6","9","6","1") = "9"
    & skf18("10","8","8","6","9","7","1") = "9"
    & skf18("10","8","8","6","9","8","1") = "9"
    & skf18("10","8","8","6","9","9","1") = "9"
    & skf18("10","8","8","6","9","10","1") = "9"
    & skf18("10","8","8","6","10","1","1") = "9"
    & skf18("10","8","8","6","10","2","1") = "9"
    & skf18("10","8","8","6","10","3","1") = "9"
    & skf18("10","8","8","6","10","4","1") = "9"
    & skf18("10","8","8","6","10","5","1") = "9"
    & skf18("10","8","8","6","10","6","1") = "9"
    & skf18("10","8","8","6","10","7","1") = "9"
    & skf18("10","8","8","6","10","8","1") = "9"
    & skf18("10","8","8","6","10","9","1") = "9"
    & skf18("10","8","8","6","10","10","1") = "9"
    & skf18("10","8","8","7","1","1","1") = "9"
    & skf18("10","8","8","7","1","2","1") = "9"
    & skf18("10","8","8","7","1","3","1") = "9"
    & skf18("10","8","8","7","1","4","1") = "9"
    & skf18("10","8","8","7","1","5","1") = "9"
    & skf18("10","8","8","7","1","6","1") = "9"
    & skf18("10","8","8","7","1","7","1") = "9"
    & skf18("10","8","8","7","1","8","1") = "9"
    & skf18("10","8","8","7","1","9","1") = "9"
    & skf18("10","8","8","7","1","10","1") = "9"
    & skf18("10","8","8","7","2","1","1") = "9"
    & skf18("10","8","8","7","2","2","1") = "9"
    & skf18("10","8","8","7","2","3","1") = "9"
    & skf18("10","8","8","7","2","4","1") = "9"
    & skf18("10","8","8","7","2","5","1") = "9"
    & skf18("10","8","8","7","2","6","1") = "9"
    & skf18("10","8","8","7","2","7","1") = "9"
    & skf18("10","8","8","7","2","8","1") = "9"
    & skf18("10","8","8","7","2","9","1") = "9"
    & skf18("10","8","8","7","2","10","1") = "9"
    & skf18("10","8","8","7","3","1","1") = "9"
    & skf18("10","8","8","7","3","2","1") = "9"
    & skf18("10","8","8","7","3","3","1") = "9"
    & skf18("10","8","8","7","3","4","1") = "9"
    & skf18("10","8","8","7","3","5","1") = "9"
    & skf18("10","8","8","7","3","6","1") = "9"
    & skf18("10","8","8","7","3","7","1") = "9"
    & skf18("10","8","8","7","3","8","1") = "9"
    & skf18("10","8","8","7","3","9","1") = "9"
    & skf18("10","8","8","7","3","10","1") = "9"
    & skf18("10","8","8","7","4","1","1") = "9"
    & skf18("10","8","8","7","4","2","1") = "9"
    & skf18("10","8","8","7","4","3","1") = "9"
    & skf18("10","8","8","7","4","4","1") = "9"
    & skf18("10","8","8","7","4","5","1") = "9"
    & skf18("10","8","8","7","4","6","1") = "9"
    & skf18("10","8","8","7","4","7","1") = "9"
    & skf18("10","8","8","7","4","8","1") = "9"
    & skf18("10","8","8","7","4","9","1") = "9"
    & skf18("10","8","8","7","4","10","1") = "9"
    & skf18("10","8","8","7","5","1","1") = "9"
    & skf18("10","8","8","7","5","2","1") = "9"
    & skf18("10","8","8","7","5","3","1") = "9"
    & skf18("10","8","8","7","5","4","1") = "9"
    & skf18("10","8","8","7","5","5","1") = "9"
    & skf18("10","8","8","7","5","6","1") = "9"
    & skf18("10","8","8","7","5","7","1") = "9"
    & skf18("10","8","8","7","5","8","1") = "9"
    & skf18("10","8","8","7","5","9","1") = "9"
    & skf18("10","8","8","7","5","10","1") = "9"
    & skf18("10","8","8","7","6","1","1") = "9"
    & skf18("10","8","8","7","6","2","1") = "9"
    & skf18("10","8","8","7","6","3","1") = "9"
    & skf18("10","8","8","7","6","4","1") = "9"
    & skf18("10","8","8","7","6","5","1") = "9"
    & skf18("10","8","8","7","6","6","1") = "9"
    & skf18("10","8","8","7","6","7","1") = "9"
    & skf18("10","8","8","7","6","8","1") = "9"
    & skf18("10","8","8","7","6","9","1") = "9"
    & skf18("10","8","8","7","6","10","1") = "9"
    & skf18("10","8","8","7","7","1","1") = "9"
    & skf18("10","8","8","7","7","2","1") = "9"
    & skf18("10","8","8","7","7","3","1") = "9"
    & skf18("10","8","8","7","7","4","1") = "9"
    & skf18("10","8","8","7","7","5","1") = "9"
    & skf18("10","8","8","7","7","6","1") = "9"
    & skf18("10","8","8","7","7","7","1") = "9"
    & skf18("10","8","8","7","7","8","1") = "9"
    & skf18("10","8","8","7","7","9","1") = "9"
    & skf18("10","8","8","7","7","10","1") = "9"
    & skf18("10","8","8","7","8","1","1") = "9"
    & skf18("10","8","8","7","8","2","1") = "9"
    & skf18("10","8","8","7","8","3","1") = "9"
    & skf18("10","8","8","7","8","4","1") = "9"
    & skf18("10","8","8","7","8","5","1") = "9"
    & skf18("10","8","8","7","8","6","1") = "9"
    & skf18("10","8","8","7","8","7","1") = "9"
    & skf18("10","8","8","7","8","8","1") = "9"
    & skf18("10","8","8","7","8","9","1") = "9"
    & skf18("10","8","8","7","8","10","1") = "9"
    & skf18("10","8","8","7","9","1","1") = "9"
    & skf18("10","8","8","7","9","2","1") = "9"
    & skf18("10","8","8","7","9","3","1") = "9"
    & skf18("10","8","8","7","9","4","1") = "9"
    & skf18("10","8","8","7","9","5","1") = "9"
    & skf18("10","8","8","7","9","6","1") = "9"
    & skf18("10","8","8","7","9","7","1") = "9"
    & skf18("10","8","8","7","9","8","1") = "9"
    & skf18("10","8","8","7","9","9","1") = "9"
    & skf18("10","8","8","7","9","10","1") = "9"
    & skf18("10","8","8","7","10","1","1") = "9"
    & skf18("10","8","8","7","10","2","1") = "9"
    & skf18("10","8","8","7","10","3","1") = "9"
    & skf18("10","8","8","7","10","4","1") = "9"
    & skf18("10","8","8","7","10","5","1") = "9"
    & skf18("10","8","8","7","10","6","1") = "9"
    & skf18("10","8","8","7","10","7","1") = "9"
    & skf18("10","8","8","7","10","8","1") = "9"
    & skf18("10","8","8","7","10","9","1") = "9"
    & skf18("10","8","8","7","10","10","1") = "9"
    & skf18("10","8","8","8","1","1","1") = "9"
    & skf18("10","8","8","8","1","2","1") = "9"
    & skf18("10","8","8","8","1","3","1") = "9"
    & skf18("10","8","8","8","1","4","1") = "9"
    & skf18("10","8","8","8","1","5","1") = "9"
    & skf18("10","8","8","8","1","6","1") = "9"
    & skf18("10","8","8","8","1","7","1") = "9"
    & skf18("10","8","8","8","1","8","1") = "9"
    & skf18("10","8","8","8","1","9","1") = "9"
    & skf18("10","8","8","8","1","10","1") = "9"
    & skf18("10","8","8","8","2","1","1") = "9"
    & skf18("10","8","8","8","2","2","1") = "9"
    & skf18("10","8","8","8","2","3","1") = "9"
    & skf18("10","8","8","8","2","4","1") = "9"
    & skf18("10","8","8","8","2","5","1") = "9"
    & skf18("10","8","8","8","2","6","1") = "9"
    & skf18("10","8","8","8","2","7","1") = "9"
    & skf18("10","8","8","8","2","8","1") = "9"
    & skf18("10","8","8","8","2","9","1") = "9"
    & skf18("10","8","8","8","2","10","1") = "9"
    & skf18("10","8","8","8","3","1","1") = "9"
    & skf18("10","8","8","8","3","2","1") = "9"
    & skf18("10","8","8","8","3","3","1") = "9"
    & skf18("10","8","8","8","3","4","1") = "9"
    & skf18("10","8","8","8","3","5","1") = "9"
    & skf18("10","8","8","8","3","6","1") = "9"
    & skf18("10","8","8","8","3","7","1") = "9"
    & skf18("10","8","8","8","3","8","1") = "9"
    & skf18("10","8","8","8","3","9","1") = "9"
    & skf18("10","8","8","8","3","10","1") = "9"
    & skf18("10","8","8","8","4","1","1") = "9"
    & skf18("10","8","8","8","4","2","1") = "9"
    & skf18("10","8","8","8","4","3","1") = "9"
    & skf18("10","8","8","8","4","4","1") = "9"
    & skf18("10","8","8","8","4","5","1") = "9"
    & skf18("10","8","8","8","4","6","1") = "9"
    & skf18("10","8","8","8","4","7","1") = "9"
    & skf18("10","8","8","8","4","8","1") = "9"
    & skf18("10","8","8","8","4","9","1") = "9"
    & skf18("10","8","8","8","4","10","1") = "9"
    & skf18("10","8","8","8","5","1","1") = "9"
    & skf18("10","8","8","8","5","2","1") = "9"
    & skf18("10","8","8","8","5","3","1") = "9"
    & skf18("10","8","8","8","5","4","1") = "9"
    & skf18("10","8","8","8","5","5","1") = "9"
    & skf18("10","8","8","8","5","6","1") = "9"
    & skf18("10","8","8","8","5","7","1") = "9"
    & skf18("10","8","8","8","5","8","1") = "9"
    & skf18("10","8","8","8","5","9","1") = "9"
    & skf18("10","8","8","8","5","10","1") = "9"
    & skf18("10","8","8","8","6","1","1") = "9"
    & skf18("10","8","8","8","6","2","1") = "9"
    & skf18("10","8","8","8","6","3","1") = "9"
    & skf18("10","8","8","8","6","4","1") = "9"
    & skf18("10","8","8","8","6","5","1") = "9"
    & skf18("10","8","8","8","6","6","1") = "9"
    & skf18("10","8","8","8","6","7","1") = "9"
    & skf18("10","8","8","8","6","8","1") = "9"
    & skf18("10","8","8","8","6","9","1") = "9"
    & skf18("10","8","8","8","6","10","1") = "9"
    & skf18("10","8","8","8","7","1","1") = "9"
    & skf18("10","8","8","8","7","2","1") = "9"
    & skf18("10","8","8","8","7","3","1") = "9"
    & skf18("10","8","8","8","7","4","1") = "9"
    & skf18("10","8","8","8","7","5","1") = "9"
    & skf18("10","8","8","8","7","6","1") = "9"
    & skf18("10","8","8","8","7","7","1") = "9"
    & skf18("10","8","8","8","7","8","1") = "9"
    & skf18("10","8","8","8","7","9","1") = "9"
    & skf18("10","8","8","8","7","10","1") = "9"
    & skf18("10","8","8","8","8","1","1") = "9"
    & skf18("10","8","8","8","8","2","1") = "9"
    & skf18("10","8","8","8","8","3","1") = "9"
    & skf18("10","8","8","8","8","4","1") = "9"
    & skf18("10","8","8","8","8","5","1") = "9"
    & skf18("10","8","8","8","8","6","1") = "9"
    & skf18("10","8","8","8","8","7","1") = "9"
    & skf18("10","8","8","8","8","8","1") = "9"
    & skf18("10","8","8","8","8","9","1") = "9"
    & skf18("10","8","8","8","8","10","1") = "9"
    & skf18("10","8","8","8","9","1","1") = "9"
    & skf18("10","8","8","8","9","2","1") = "9"
    & skf18("10","8","8","8","9","3","1") = "9"
    & skf18("10","8","8","8","9","4","1") = "9"
    & skf18("10","8","8","8","9","5","1") = "9"
    & skf18("10","8","8","8","9","6","1") = "9"
    & skf18("10","8","8","8","9","7","1") = "9"
    & skf18("10","8","8","8","9","8","1") = "9"
    & skf18("10","8","8","8","9","9","1") = "9"
    & skf18("10","8","8","8","9","10","1") = "9"
    & skf18("10","8","8","8","10","1","1") = "9"
    & skf18("10","8","8","8","10","2","1") = "9"
    & skf18("10","8","8","8","10","3","1") = "9"
    & skf18("10","8","8","8","10","4","1") = "9"
    & skf18("10","8","8","8","10","5","1") = "9"
    & skf18("10","8","8","8","10","6","1") = "9"
    & skf18("10","8","8","8","10","7","1") = "9"
    & skf18("10","8","8","8","10","8","1") = "9"
    & skf18("10","8","8","8","10","9","1") = "9"
    & skf18("10","8","8","8","10","10","1") = "9"
    & skf18("10","8","8","9","1","1","1") = "9"
    & skf18("10","8","8","9","1","2","1") = "9"
    & skf18("10","8","8","9","1","3","1") = "9"
    & skf18("10","8","8","9","1","4","1") = "9"
    & skf18("10","8","8","9","1","5","1") = "9"
    & skf18("10","8","8","9","1","6","1") = "9"
    & skf18("10","8","8","9","1","7","1") = "9"
    & skf18("10","8","8","9","1","8","1") = "9"
    & skf18("10","8","8","9","1","9","1") = "9"
    & skf18("10","8","8","9","1","10","1") = "9"
    & skf18("10","8","8","9","2","1","1") = "9"
    & skf18("10","8","8","9","2","2","1") = "9"
    & skf18("10","8","8","9","2","3","1") = "9"
    & skf18("10","8","8","9","2","4","1") = "9"
    & skf18("10","8","8","9","2","5","1") = "9"
    & skf18("10","8","8","9","2","6","1") = "9"
    & skf18("10","8","8","9","2","7","1") = "9"
    & skf18("10","8","8","9","2","8","1") = "9"
    & skf18("10","8","8","9","2","9","1") = "9"
    & skf18("10","8","8","9","2","10","1") = "9"
    & skf18("10","8","8","9","3","1","1") = "9"
    & skf18("10","8","8","9","3","2","1") = "9"
    & skf18("10","8","8","9","3","3","1") = "9"
    & skf18("10","8","8","9","3","4","1") = "9"
    & skf18("10","8","8","9","3","5","1") = "9"
    & skf18("10","8","8","9","3","6","1") = "9"
    & skf18("10","8","8","9","3","7","1") = "9"
    & skf18("10","8","8","9","3","8","1") = "9"
    & skf18("10","8","8","9","3","9","1") = "9"
    & skf18("10","8","8","9","3","10","1") = "9"
    & skf18("10","8","8","9","4","1","1") = "9"
    & skf18("10","8","8","9","4","2","1") = "9"
    & skf18("10","8","8","9","4","3","1") = "9"
    & skf18("10","8","8","9","4","4","1") = "9"
    & skf18("10","8","8","9","4","5","1") = "9"
    & skf18("10","8","8","9","4","6","1") = "9"
    & skf18("10","8","8","9","4","7","1") = "9"
    & skf18("10","8","8","9","4","8","1") = "9"
    & skf18("10","8","8","9","4","9","1") = "9"
    & skf18("10","8","8","9","4","10","1") = "9"
    & skf18("10","8","8","9","5","1","1") = "9"
    & skf18("10","8","8","9","5","2","1") = "9"
    & skf18("10","8","8","9","5","3","1") = "9"
    & skf18("10","8","8","9","5","4","1") = "9"
    & skf18("10","8","8","9","5","5","1") = "9"
    & skf18("10","8","8","9","5","6","1") = "9"
    & skf18("10","8","8","9","5","7","1") = "9"
    & skf18("10","8","8","9","5","8","1") = "9"
    & skf18("10","8","8","9","5","9","1") = "9"
    & skf18("10","8","8","9","5","10","1") = "9"
    & skf18("10","8","8","9","6","1","1") = "9"
    & skf18("10","8","8","9","6","2","1") = "9"
    & skf18("10","8","8","9","6","3","1") = "9"
    & skf18("10","8","8","9","6","4","1") = "9"
    & skf18("10","8","8","9","6","5","1") = "9"
    & skf18("10","8","8","9","6","6","1") = "9"
    & skf18("10","8","8","9","6","7","1") = "9"
    & skf18("10","8","8","9","6","8","1") = "9"
    & skf18("10","8","8","9","6","9","1") = "9"
    & skf18("10","8","8","9","6","10","1") = "9"
    & skf18("10","8","8","9","7","1","1") = "9"
    & skf18("10","8","8","9","7","2","1") = "9"
    & skf18("10","8","8","9","7","3","1") = "9"
    & skf18("10","8","8","9","7","4","1") = "9"
    & skf18("10","8","8","9","7","5","1") = "9"
    & skf18("10","8","8","9","7","6","1") = "9"
    & skf18("10","8","8","9","7","7","1") = "9"
    & skf18("10","8","8","9","7","8","1") = "9"
    & skf18("10","8","8","9","7","9","1") = "9"
    & skf18("10","8","8","9","7","10","1") = "9"
    & skf18("10","8","8","9","8","1","1") = "9"
    & skf18("10","8","8","9","8","2","1") = "9"
    & skf18("10","8","8","9","8","3","1") = "9"
    & skf18("10","8","8","9","8","4","1") = "9"
    & skf18("10","8","8","9","8","5","1") = "9"
    & skf18("10","8","8","9","8","6","1") = "9"
    & skf18("10","8","8","9","8","7","1") = "9"
    & skf18("10","8","8","9","8","8","1") = "9"
    & skf18("10","8","8","9","8","9","1") = "9"
    & skf18("10","8","8","9","8","10","1") = "9"
    & skf18("10","8","8","9","9","1","1") = "9"
    & skf18("10","8","8","9","9","2","1") = "9"
    & skf18("10","8","8","9","9","3","1") = "9"
    & skf18("10","8","8","9","9","4","1") = "9"
    & skf18("10","8","8","9","9","5","1") = "9"
    & skf18("10","8","8","9","9","6","1") = "9"
    & skf18("10","8","8","9","9","7","1") = "9"
    & skf18("10","8","8","9","9","8","1") = "9"
    & skf18("10","8","8","9","9","9","1") = "9"
    & skf18("10","8","8","9","9","10","1") = "9"
    & skf18("10","8","8","9","10","1","1") = "9"
    & skf18("10","8","8","9","10","2","1") = "9"
    & skf18("10","8","8","9","10","3","1") = "9"
    & skf18("10","8","8","9","10","4","1") = "9"
    & skf18("10","8","8","9","10","5","1") = "9"
    & skf18("10","8","8","9","10","6","1") = "9"
    & skf18("10","8","8","9","10","7","1") = "9"
    & skf18("10","8","8","9","10","8","1") = "9"
    & skf18("10","8","8","9","10","9","1") = "9"
    & skf18("10","8","8","9","10","10","1") = "9"
    & skf18("10","8","8","10","1","1","1") = "9"
    & skf18("10","8","8","10","1","2","1") = "9"
    & skf18("10","8","8","10","1","3","1") = "9"
    & skf18("10","8","8","10","1","4","1") = "9"
    & skf18("10","8","8","10","1","5","1") = "9"
    & skf18("10","8","8","10","1","6","1") = "9"
    & skf18("10","8","8","10","1","7","1") = "9"
    & skf18("10","8","8","10","1","8","1") = "9"
    & skf18("10","8","8","10","1","9","1") = "9"
    & skf18("10","8","8","10","1","10","1") = "9"
    & skf18("10","8","8","10","2","1","1") = "9"
    & skf18("10","8","8","10","2","2","1") = "9"
    & skf18("10","8","8","10","2","3","1") = "9"
    & skf18("10","8","8","10","2","4","1") = "9"
    & skf18("10","8","8","10","2","5","1") = "9"
    & skf18("10","8","8","10","2","6","1") = "9"
    & skf18("10","8","8","10","2","7","1") = "9"
    & skf18("10","8","8","10","2","8","1") = "9"
    & skf18("10","8","8","10","2","9","1") = "9"
    & skf18("10","8","8","10","2","10","1") = "9"
    & skf18("10","8","8","10","3","1","1") = "9"
    & skf18("10","8","8","10","3","2","1") = "9"
    & skf18("10","8","8","10","3","3","1") = "9"
    & skf18("10","8","8","10","3","4","1") = "9"
    & skf18("10","8","8","10","3","5","1") = "9"
    & skf18("10","8","8","10","3","6","1") = "9"
    & skf18("10","8","8","10","3","7","1") = "9"
    & skf18("10","8","8","10","3","8","1") = "9"
    & skf18("10","8","8","10","3","9","1") = "9"
    & skf18("10","8","8","10","3","10","1") = "9"
    & skf18("10","8","8","10","4","1","1") = "9"
    & skf18("10","8","8","10","4","2","1") = "9"
    & skf18("10","8","8","10","4","3","1") = "9"
    & skf18("10","8","8","10","4","4","1") = "9"
    & skf18("10","8","8","10","4","5","1") = "9"
    & skf18("10","8","8","10","4","6","1") = "9"
    & skf18("10","8","8","10","4","7","1") = "9"
    & skf18("10","8","8","10","4","8","1") = "9"
    & skf18("10","8","8","10","4","9","1") = "9"
    & skf18("10","8","8","10","4","10","1") = "9"
    & skf18("10","8","8","10","5","1","1") = "9"
    & skf18("10","8","8","10","5","2","1") = "9"
    & skf18("10","8","8","10","5","3","1") = "9"
    & skf18("10","8","8","10","5","4","1") = "9"
    & skf18("10","8","8","10","5","5","1") = "9"
    & skf18("10","8","8","10","5","6","1") = "9"
    & skf18("10","8","8","10","5","7","1") = "9"
    & skf18("10","8","8","10","5","8","1") = "9"
    & skf18("10","8","8","10","5","9","1") = "9"
    & skf18("10","8","8","10","5","10","1") = "9"
    & skf18("10","8","8","10","6","1","1") = "9"
    & skf18("10","8","8","10","6","2","1") = "9"
    & skf18("10","8","8","10","6","3","1") = "9"
    & skf18("10","8","8","10","6","4","1") = "9"
    & skf18("10","8","8","10","6","5","1") = "9"
    & skf18("10","8","8","10","6","6","1") = "9"
    & skf18("10","8","8","10","6","7","1") = "9"
    & skf18("10","8","8","10","6","8","1") = "9"
    & skf18("10","8","8","10","6","9","1") = "9"
    & skf18("10","8","8","10","6","10","1") = "9"
    & skf18("10","8","8","10","7","1","1") = "9"
    & skf18("10","8","8","10","7","2","1") = "9"
    & skf18("10","8","8","10","7","3","1") = "9"
    & skf18("10","8","8","10","7","4","1") = "9"
    & skf18("10","8","8","10","7","5","1") = "9"
    & skf18("10","8","8","10","7","6","1") = "9"
    & skf18("10","8","8","10","7","7","1") = "9"
    & skf18("10","8","8","10","7","8","1") = "9"
    & skf18("10","8","8","10","7","9","1") = "9"
    & skf18("10","8","8","10","7","10","1") = "9"
    & skf18("10","8","8","10","8","1","1") = "9"
    & skf18("10","8","8","10","8","2","1") = "9"
    & skf18("10","8","8","10","8","3","1") = "9"
    & skf18("10","8","8","10","8","4","1") = "9"
    & skf18("10","8","8","10","8","5","1") = "9"
    & skf18("10","8","8","10","8","6","1") = "9"
    & skf18("10","8","8","10","8","7","1") = "9"
    & skf18("10","8","8","10","8","8","1") = "9"
    & skf18("10","8","8","10","8","9","1") = "9"
    & skf18("10","8","8","10","8","10","1") = "9"
    & skf18("10","8","8","10","9","1","1") = "9"
    & skf18("10","8","8","10","9","2","1") = "9"
    & skf18("10","8","8","10","9","3","1") = "9"
    & skf18("10","8","8","10","9","4","1") = "9"
    & skf18("10","8","8","10","9","5","1") = "9"
    & skf18("10","8","8","10","9","6","1") = "9"
    & skf18("10","8","8","10","9","7","1") = "9"
    & skf18("10","8","8","10","9","8","1") = "9"
    & skf18("10","8","8","10","9","9","1") = "9"
    & skf18("10","8","8","10","9","10","1") = "9"
    & skf18("10","8","8","10","10","1","1") = "9"
    & skf18("10","8","8","10","10","2","1") = "9"
    & skf18("10","8","8","10","10","3","1") = "9"
    & skf18("10","8","8","10","10","4","1") = "9"
    & skf18("10","8","8","10","10","5","1") = "9"
    & skf18("10","8","8","10","10","6","1") = "9"
    & skf18("10","8","8","10","10","7","1") = "9"
    & skf18("10","8","8","10","10","8","1") = "9"
    & skf18("10","8","8","10","10","9","1") = "9"
    & skf18("10","8","8","10","10","10","1") = "9"
    & skf18("10","8","9","1","1","1","1") = "9"
    & skf18("10","8","9","1","1","2","1") = "9"
    & skf18("10","8","9","1","1","3","1") = "9"
    & skf18("10","8","9","1","1","4","1") = "9"
    & skf18("10","8","9","1","1","5","1") = "9"
    & skf18("10","8","9","1","1","6","1") = "9"
    & skf18("10","8","9","1","1","7","1") = "9"
    & skf18("10","8","9","1","1","8","1") = "9"
    & skf18("10","8","9","1","1","9","1") = "9"
    & skf18("10","8","9","1","1","10","1") = "9"
    & skf18("10","8","9","1","2","1","1") = "9"
    & skf18("10","8","9","1","2","2","1") = "9"
    & skf18("10","8","9","1","2","3","1") = "9"
    & skf18("10","8","9","1","2","4","1") = "9"
    & skf18("10","8","9","1","2","5","1") = "9"
    & skf18("10","8","9","1","2","6","1") = "9"
    & skf18("10","8","9","1","2","7","1") = "9"
    & skf18("10","8","9","1","2","8","1") = "9"
    & skf18("10","8","9","1","2","9","1") = "9"
    & skf18("10","8","9","1","2","10","1") = "9"
    & skf18("10","8","9","1","3","1","1") = "9"
    & skf18("10","8","9","1","3","2","1") = "9"
    & skf18("10","8","9","1","3","3","1") = "9"
    & skf18("10","8","9","1","3","4","1") = "9"
    & skf18("10","8","9","1","3","5","1") = "9"
    & skf18("10","8","9","1","3","6","1") = "9"
    & skf18("10","8","9","1","3","7","1") = "9"
    & skf18("10","8","9","1","3","8","1") = "9"
    & skf18("10","8","9","1","3","9","1") = "9"
    & skf18("10","8","9","1","3","10","1") = "9"
    & skf18("10","8","9","1","4","1","1") = "9"
    & skf18("10","8","9","1","4","2","1") = "9"
    & skf18("10","8","9","1","4","3","1") = "9"
    & skf18("10","8","9","1","4","4","1") = "9"
    & skf18("10","8","9","1","4","5","1") = "9"
    & skf18("10","8","9","1","4","6","1") = "9"
    & skf18("10","8","9","1","4","7","1") = "9"
    & skf18("10","8","9","1","4","8","1") = "9"
    & skf18("10","8","9","1","4","9","1") = "9"
    & skf18("10","8","9","1","4","10","1") = "9"
    & skf18("10","8","9","1","5","1","1") = "9"
    & skf18("10","8","9","1","5","2","1") = "9"
    & skf18("10","8","9","1","5","3","1") = "9"
    & skf18("10","8","9","1","5","4","1") = "9"
    & skf18("10","8","9","1","5","5","1") = "9"
    & skf18("10","8","9","1","5","6","1") = "9"
    & skf18("10","8","9","1","5","7","1") = "9"
    & skf18("10","8","9","1","5","8","1") = "9"
    & skf18("10","8","9","1","5","9","1") = "9"
    & skf18("10","8","9","1","5","10","1") = "9"
    & skf18("10","8","9","1","6","1","1") = "9"
    & skf18("10","8","9","1","6","2","1") = "9"
    & skf18("10","8","9","1","6","3","1") = "9"
    & skf18("10","8","9","1","6","4","1") = "9"
    & skf18("10","8","9","1","6","5","1") = "9"
    & skf18("10","8","9","1","6","6","1") = "9"
    & skf18("10","8","9","1","6","7","1") = "9"
    & skf18("10","8","9","1","6","8","1") = "9"
    & skf18("10","8","9","1","6","9","1") = "9"
    & skf18("10","8","9","1","6","10","1") = "9"
    & skf18("10","8","9","1","7","1","1") = "9"
    & skf18("10","8","9","1","7","2","1") = "9"
    & skf18("10","8","9","1","7","3","1") = "9"
    & skf18("10","8","9","1","7","4","1") = "9"
    & skf18("10","8","9","1","7","5","1") = "9"
    & skf18("10","8","9","1","7","6","1") = "9"
    & skf18("10","8","9","1","7","7","1") = "9"
    & skf18("10","8","9","1","7","8","1") = "9"
    & skf18("10","8","9","1","7","9","1") = "9"
    & skf18("10","8","9","1","7","10","1") = "9"
    & skf18("10","8","9","1","8","1","1") = "9"
    & skf18("10","8","9","1","8","2","1") = "9"
    & skf18("10","8","9","1","8","3","1") = "9"
    & skf18("10","8","9","1","8","4","1") = "9"
    & skf18("10","8","9","1","8","5","1") = "9"
    & skf18("10","8","9","1","8","6","1") = "9"
    & skf18("10","8","9","1","8","7","1") = "9"
    & skf18("10","8","9","1","8","8","1") = "9"
    & skf18("10","8","9","1","8","9","1") = "9"
    & skf18("10","8","9","1","8","10","1") = "9"
    & skf18("10","8","9","1","9","1","1") = "9"
    & skf18("10","8","9","1","9","2","1") = "9"
    & skf18("10","8","9","1","9","3","1") = "9"
    & skf18("10","8","9","1","9","4","1") = "9"
    & skf18("10","8","9","1","9","5","1") = "9"
    & skf18("10","8","9","1","9","6","1") = "9"
    & skf18("10","8","9","1","9","7","1") = "9"
    & skf18("10","8","9","1","9","8","1") = "9"
    & skf18("10","8","9","1","9","9","1") = "9"
    & skf18("10","8","9","1","9","10","1") = "9"
    & skf18("10","8","9","1","10","1","1") = "9"
    & skf18("10","8","9","1","10","2","1") = "9"
    & skf18("10","8","9","1","10","3","1") = "9"
    & skf18("10","8","9","1","10","4","1") = "9"
    & skf18("10","8","9","1","10","5","1") = "9"
    & skf18("10","8","9","1","10","6","1") = "9"
    & skf18("10","8","9","1","10","7","1") = "9"
    & skf18("10","8","9","1","10","8","1") = "9"
    & skf18("10","8","9","1","10","9","1") = "9"
    & skf18("10","8","9","1","10","10","1") = "9"
    & skf18("10","8","9","2","1","1","1") = "9"
    & skf18("10","8","9","2","1","2","1") = "9"
    & skf18("10","8","9","2","1","3","1") = "9"
    & skf18("10","8","9","2","1","4","1") = "9"
    & skf18("10","8","9","2","1","5","1") = "9"
    & skf18("10","8","9","2","1","6","1") = "9"
    & skf18("10","8","9","2","1","7","1") = "9"
    & skf18("10","8","9","2","1","8","1") = "9"
    & skf18("10","8","9","2","1","9","1") = "9"
    & skf18("10","8","9","2","1","10","1") = "9"
    & skf18("10","8","9","2","2","1","1") = "9"
    & skf18("10","8","9","2","2","2","1") = "9"
    & skf18("10","8","9","2","2","3","1") = "9"
    & skf18("10","8","9","2","2","4","1") = "9"
    & skf18("10","8","9","2","2","5","1") = "9"
    & skf18("10","8","9","2","2","6","1") = "9"
    & skf18("10","8","9","2","2","7","1") = "9"
    & skf18("10","8","9","2","2","8","1") = "9"
    & skf18("10","8","9","2","2","9","1") = "9"
    & skf18("10","8","9","2","2","10","1") = "9"
    & skf18("10","8","9","2","3","1","1") = "9"
    & skf18("10","8","9","2","3","2","1") = "9"
    & skf18("10","8","9","2","3","3","1") = "9"
    & skf18("10","8","9","2","3","4","1") = "9"
    & skf18("10","8","9","2","3","5","1") = "9"
    & skf18("10","8","9","2","3","6","1") = "9"
    & skf18("10","8","9","2","3","7","1") = "9"
    & skf18("10","8","9","2","3","8","1") = "9"
    & skf18("10","8","9","2","3","9","1") = "9"
    & skf18("10","8","9","2","3","10","1") = "9"
    & skf18("10","8","9","2","4","1","1") = "9"
    & skf18("10","8","9","2","4","2","1") = "9"
    & skf18("10","8","9","2","4","3","1") = "9"
    & skf18("10","8","9","2","4","4","1") = "9"
    & skf18("10","8","9","2","4","5","1") = "9"
    & skf18("10","8","9","2","4","6","1") = "9"
    & skf18("10","8","9","2","4","7","1") = "9"
    & skf18("10","8","9","2","4","8","1") = "9"
    & skf18("10","8","9","2","4","9","1") = "9"
    & skf18("10","8","9","2","4","10","1") = "9"
    & skf18("10","8","9","2","5","1","1") = "9"
    & skf18("10","8","9","2","5","2","1") = "9"
    & skf18("10","8","9","2","5","3","1") = "9"
    & skf18("10","8","9","2","5","4","1") = "9"
    & skf18("10","8","9","2","5","5","1") = "9"
    & skf18("10","8","9","2","5","6","1") = "9"
    & skf18("10","8","9","2","5","7","1") = "9"
    & skf18("10","8","9","2","5","8","1") = "9"
    & skf18("10","8","9","2","5","9","1") = "9"
    & skf18("10","8","9","2","5","10","1") = "9"
    & skf18("10","8","9","2","6","1","1") = "9"
    & skf18("10","8","9","2","6","2","1") = "9"
    & skf18("10","8","9","2","6","3","1") = "9"
    & skf18("10","8","9","2","6","4","1") = "9"
    & skf18("10","8","9","2","6","5","1") = "9"
    & skf18("10","8","9","2","6","6","1") = "9"
    & skf18("10","8","9","2","6","7","1") = "9"
    & skf18("10","8","9","2","6","8","1") = "9"
    & skf18("10","8","9","2","6","9","1") = "9"
    & skf18("10","8","9","2","6","10","1") = "9"
    & skf18("10","8","9","2","7","1","1") = "9"
    & skf18("10","8","9","2","7","2","1") = "9"
    & skf18("10","8","9","2","7","3","1") = "9"
    & skf18("10","8","9","2","7","4","1") = "9"
    & skf18("10","8","9","2","7","5","1") = "9"
    & skf18("10","8","9","2","7","6","1") = "9"
    & skf18("10","8","9","2","7","7","1") = "9"
    & skf18("10","8","9","2","7","8","1") = "9"
    & skf18("10","8","9","2","7","9","1") = "9"
    & skf18("10","8","9","2","7","10","1") = "9"
    & skf18("10","8","9","2","8","1","1") = "9"
    & skf18("10","8","9","2","8","2","1") = "9"
    & skf18("10","8","9","2","8","3","1") = "9"
    & skf18("10","8","9","2","8","4","1") = "9"
    & skf18("10","8","9","2","8","5","1") = "9"
    & skf18("10","8","9","2","8","6","1") = "9"
    & skf18("10","8","9","2","8","7","1") = "9"
    & skf18("10","8","9","2","8","8","1") = "9"
    & skf18("10","8","9","2","8","9","1") = "9"
    & skf18("10","8","9","2","8","10","1") = "9"
    & skf18("10","8","9","2","9","1","1") = "9"
    & skf18("10","8","9","2","9","2","1") = "9"
    & skf18("10","8","9","2","9","3","1") = "9"
    & skf18("10","8","9","2","9","4","1") = "9"
    & skf18("10","8","9","2","9","5","1") = "9"
    & skf18("10","8","9","2","9","6","1") = "9"
    & skf18("10","8","9","2","9","7","1") = "9"
    & skf18("10","8","9","2","9","8","1") = "9"
    & skf18("10","8","9","2","9","9","1") = "9"
    & skf18("10","8","9","2","9","10","1") = "9"
    & skf18("10","8","9","2","10","1","1") = "9"
    & skf18("10","8","9","2","10","2","1") = "9"
    & skf18("10","8","9","2","10","3","1") = "9"
    & skf18("10","8","9","2","10","4","1") = "9"
    & skf18("10","8","9","2","10","5","1") = "9"
    & skf18("10","8","9","2","10","6","1") = "9"
    & skf18("10","8","9","2","10","7","1") = "9"
    & skf18("10","8","9","2","10","8","1") = "9"
    & skf18("10","8","9","2","10","9","1") = "9"
    & skf18("10","8","9","2","10","10","1") = "9"
    & skf18("10","8","9","3","1","1","1") = "9"
    & skf18("10","8","9","3","1","2","1") = "9"
    & skf18("10","8","9","3","1","3","1") = "9"
    & skf18("10","8","9","3","1","4","1") = "9"
    & skf18("10","8","9","3","1","5","1") = "9"
    & skf18("10","8","9","3","1","6","1") = "9"
    & skf18("10","8","9","3","1","7","1") = "9"
    & skf18("10","8","9","3","1","8","1") = "9"
    & skf18("10","8","9","3","1","9","1") = "9"
    & skf18("10","8","9","3","1","10","1") = "9"
    & skf18("10","8","9","3","2","1","1") = "9"
    & skf18("10","8","9","3","2","2","1") = "9"
    & skf18("10","8","9","3","2","3","1") = "9"
    & skf18("10","8","9","3","2","4","1") = "9"
    & skf18("10","8","9","3","2","5","1") = "9"
    & skf18("10","8","9","3","2","6","1") = "9"
    & skf18("10","8","9","3","2","7","1") = "9"
    & skf18("10","8","9","3","2","8","1") = "9"
    & skf18("10","8","9","3","2","9","1") = "9"
    & skf18("10","8","9","3","2","10","1") = "9"
    & skf18("10","8","9","3","3","1","1") = "9"
    & skf18("10","8","9","3","3","2","1") = "9"
    & skf18("10","8","9","3","3","3","1") = "9"
    & skf18("10","8","9","3","3","4","1") = "9"
    & skf18("10","8","9","3","3","5","1") = "9"
    & skf18("10","8","9","3","3","6","1") = "9"
    & skf18("10","8","9","3","3","7","1") = "9"
    & skf18("10","8","9","3","3","8","1") = "9"
    & skf18("10","8","9","3","3","9","1") = "9"
    & skf18("10","8","9","3","3","10","1") = "9"
    & skf18("10","8","9","3","4","1","1") = "9"
    & skf18("10","8","9","3","4","2","1") = "9"
    & skf18("10","8","9","3","4","3","1") = "9"
    & skf18("10","8","9","3","4","4","1") = "9"
    & skf18("10","8","9","3","4","5","1") = "9"
    & skf18("10","8","9","3","4","6","1") = "9"
    & skf18("10","8","9","3","4","7","1") = "9"
    & skf18("10","8","9","3","4","8","1") = "9"
    & skf18("10","8","9","3","4","9","1") = "9"
    & skf18("10","8","9","3","4","10","1") = "9"
    & skf18("10","8","9","3","5","1","1") = "9"
    & skf18("10","8","9","3","5","2","1") = "9"
    & skf18("10","8","9","3","5","3","1") = "9"
    & skf18("10","8","9","3","5","4","1") = "9"
    & skf18("10","8","9","3","5","5","1") = "9"
    & skf18("10","8","9","3","5","6","1") = "9"
    & skf18("10","8","9","3","5","7","1") = "9"
    & skf18("10","8","9","3","5","8","1") = "9"
    & skf18("10","8","9","3","5","9","1") = "9"
    & skf18("10","8","9","3","5","10","1") = "9"
    & skf18("10","8","9","3","6","1","1") = "9"
    & skf18("10","8","9","3","6","2","1") = "9"
    & skf18("10","8","9","3","6","3","1") = "9"
    & skf18("10","8","9","3","6","4","1") = "9"
    & skf18("10","8","9","3","6","5","1") = "9"
    & skf18("10","8","9","3","6","6","1") = "9"
    & skf18("10","8","9","3","6","7","1") = "9"
    & skf18("10","8","9","3","6","8","1") = "9"
    & skf18("10","8","9","3","6","9","1") = "9"
    & skf18("10","8","9","3","6","10","1") = "9"
    & skf18("10","8","9","3","7","1","1") = "9"
    & skf18("10","8","9","3","7","2","1") = "9"
    & skf18("10","8","9","3","7","3","1") = "9"
    & skf18("10","8","9","3","7","4","1") = "9"
    & skf18("10","8","9","3","7","5","1") = "9"
    & skf18("10","8","9","3","7","6","1") = "9"
    & skf18("10","8","9","3","7","7","1") = "9"
    & skf18("10","8","9","3","7","8","1") = "9"
    & skf18("10","8","9","3","7","9","1") = "9"
    & skf18("10","8","9","3","7","10","1") = "9"
    & skf18("10","8","9","3","8","1","1") = "9"
    & skf18("10","8","9","3","8","2","1") = "9"
    & skf18("10","8","9","3","8","3","1") = "9"
    & skf18("10","8","9","3","8","4","1") = "9"
    & skf18("10","8","9","3","8","5","1") = "9"
    & skf18("10","8","9","3","8","6","1") = "9"
    & skf18("10","8","9","3","8","7","1") = "9"
    & skf18("10","8","9","3","8","8","1") = "9"
    & skf18("10","8","9","3","8","9","1") = "9"
    & skf18("10","8","9","3","8","10","1") = "9"
    & skf18("10","8","9","3","9","1","1") = "9"
    & skf18("10","8","9","3","9","2","1") = "9"
    & skf18("10","8","9","3","9","3","1") = "9"
    & skf18("10","8","9","3","9","4","1") = "9"
    & skf18("10","8","9","3","9","5","1") = "9"
    & skf18("10","8","9","3","9","6","1") = "9"
    & skf18("10","8","9","3","9","7","1") = "9"
    & skf18("10","8","9","3","9","8","1") = "9"
    & skf18("10","8","9","3","9","9","1") = "9"
    & skf18("10","8","9","3","9","10","1") = "9"
    & skf18("10","8","9","3","10","1","1") = "9"
    & skf18("10","8","9","3","10","2","1") = "9"
    & skf18("10","8","9","3","10","3","1") = "9"
    & skf18("10","8","9","3","10","4","1") = "9"
    & skf18("10","8","9","3","10","5","1") = "9"
    & skf18("10","8","9","3","10","6","1") = "9"
    & skf18("10","8","9","3","10","7","1") = "9"
    & skf18("10","8","9","3","10","8","1") = "9"
    & skf18("10","8","9","3","10","9","1") = "9"
    & skf18("10","8","9","3","10","10","1") = "9"
    & skf18("10","8","9","4","1","1","1") = "9"
    & skf18("10","8","9","4","1","2","1") = "9"
    & skf18("10","8","9","4","1","3","1") = "9"
    & skf18("10","8","9","4","1","4","1") = "9"
    & skf18("10","8","9","4","1","5","1") = "9"
    & skf18("10","8","9","4","1","6","1") = "9"
    & skf18("10","8","9","4","1","7","1") = "9"
    & skf18("10","8","9","4","1","8","1") = "9"
    & skf18("10","8","9","4","1","9","1") = "9"
    & skf18("10","8","9","4","1","10","1") = "9"
    & skf18("10","8","9","4","2","1","1") = "9"
    & skf18("10","8","9","4","2","2","1") = "9"
    & skf18("10","8","9","4","2","3","1") = "9"
    & skf18("10","8","9","4","2","4","1") = "9"
    & skf18("10","8","9","4","2","5","1") = "9"
    & skf18("10","8","9","4","2","6","1") = "9"
    & skf18("10","8","9","4","2","7","1") = "9"
    & skf18("10","8","9","4","2","8","1") = "9"
    & skf18("10","8","9","4","2","9","1") = "9"
    & skf18("10","8","9","4","2","10","1") = "9"
    & skf18("10","8","9","4","3","1","1") = "9"
    & skf18("10","8","9","4","3","2","1") = "9"
    & skf18("10","8","9","4","3","3","1") = "9"
    & skf18("10","8","9","4","3","4","1") = "9"
    & skf18("10","8","9","4","3","5","1") = "9"
    & skf18("10","8","9","4","3","6","1") = "9"
    & skf18("10","8","9","4","3","7","1") = "9"
    & skf18("10","8","9","4","3","8","1") = "9"
    & skf18("10","8","9","4","3","9","1") = "9"
    & skf18("10","8","9","4","3","10","1") = "9"
    & skf18("10","8","9","4","4","1","1") = "9"
    & skf18("10","8","9","4","4","2","1") = "9"
    & skf18("10","8","9","4","4","3","1") = "9"
    & skf18("10","8","9","4","4","4","1") = "9"
    & skf18("10","8","9","4","4","5","1") = "9"
    & skf18("10","8","9","4","4","6","1") = "9"
    & skf18("10","8","9","4","4","7","1") = "9"
    & skf18("10","8","9","4","4","8","1") = "9"
    & skf18("10","8","9","4","4","9","1") = "9"
    & skf18("10","8","9","4","4","10","1") = "9"
    & skf18("10","8","9","4","5","1","1") = "9"
    & skf18("10","8","9","4","5","2","1") = "9"
    & skf18("10","8","9","4","5","3","1") = "9"
    & skf18("10","8","9","4","5","4","1") = "9"
    & skf18("10","8","9","4","5","5","1") = "9"
    & skf18("10","8","9","4","5","6","1") = "9"
    & skf18("10","8","9","4","5","7","1") = "9"
    & skf18("10","8","9","4","5","8","1") = "9"
    & skf18("10","8","9","4","5","9","1") = "9"
    & skf18("10","8","9","4","5","10","1") = "9"
    & skf18("10","8","9","4","6","1","1") = "9"
    & skf18("10","8","9","4","6","2","1") = "9"
    & skf18("10","8","9","4","6","3","1") = "9"
    & skf18("10","8","9","4","6","4","1") = "9"
    & skf18("10","8","9","4","6","5","1") = "9"
    & skf18("10","8","9","4","6","6","1") = "9"
    & skf18("10","8","9","4","6","7","1") = "9"
    & skf18("10","8","9","4","6","8","1") = "9"
    & skf18("10","8","9","4","6","9","1") = "9"
    & skf18("10","8","9","4","6","10","1") = "9"
    & skf18("10","8","9","4","7","1","1") = "9"
    & skf18("10","8","9","4","7","2","1") = "9"
    & skf18("10","8","9","4","7","3","1") = "9"
    & skf18("10","8","9","4","7","4","1") = "9"
    & skf18("10","8","9","4","7","5","1") = "9"
    & skf18("10","8","9","4","7","6","1") = "9"
    & skf18("10","8","9","4","7","7","1") = "9"
    & skf18("10","8","9","4","7","8","1") = "9"
    & skf18("10","8","9","4","7","9","1") = "9"
    & skf18("10","8","9","4","7","10","1") = "9"
    & skf18("10","8","9","4","8","1","1") = "9"
    & skf18("10","8","9","4","8","2","1") = "9"
    & skf18("10","8","9","4","8","3","1") = "9"
    & skf18("10","8","9","4","8","4","1") = "9"
    & skf18("10","8","9","4","8","5","1") = "9"
    & skf18("10","8","9","4","8","6","1") = "9"
    & skf18("10","8","9","4","8","7","1") = "9"
    & skf18("10","8","9","4","8","8","1") = "9"
    & skf18("10","8","9","4","8","9","1") = "9"
    & skf18("10","8","9","4","8","10","1") = "9"
    & skf18("10","8","9","4","9","1","1") = "9"
    & skf18("10","8","9","4","9","2","1") = "9"
    & skf18("10","8","9","4","9","3","1") = "9"
    & skf18("10","8","9","4","9","4","1") = "9"
    & skf18("10","8","9","4","9","5","1") = "9"
    & skf18("10","8","9","4","9","6","1") = "9"
    & skf18("10","8","9","4","9","7","1") = "9"
    & skf18("10","8","9","4","9","8","1") = "9"
    & skf18("10","8","9","4","9","9","1") = "9"
    & skf18("10","8","9","4","9","10","1") = "9"
    & skf18("10","8","9","4","10","1","1") = "9"
    & skf18("10","8","9","4","10","2","1") = "9"
    & skf18("10","8","9","4","10","3","1") = "9"
    & skf18("10","8","9","4","10","4","1") = "9"
    & skf18("10","8","9","4","10","5","1") = "9"
    & skf18("10","8","9","4","10","6","1") = "9"
    & skf18("10","8","9","4","10","7","1") = "9"
    & skf18("10","8","9","4","10","8","1") = "9"
    & skf18("10","8","9","4","10","9","1") = "9"
    & skf18("10","8","9","4","10","10","1") = "9"
    & skf18("10","8","9","5","1","1","1") = "9"
    & skf18("10","8","9","5","1","2","1") = "9"
    & skf18("10","8","9","5","1","3","1") = "9"
    & skf18("10","8","9","5","1","4","1") = "9"
    & skf18("10","8","9","5","1","5","1") = "9"
    & skf18("10","8","9","5","1","6","1") = "9"
    & skf18("10","8","9","5","1","7","1") = "9"
    & skf18("10","8","9","5","1","8","1") = "9"
    & skf18("10","8","9","5","1","9","1") = "9"
    & skf18("10","8","9","5","1","10","1") = "9"
    & skf18("10","8","9","5","2","1","1") = "9"
    & skf18("10","8","9","5","2","2","1") = "9"
    & skf18("10","8","9","5","2","3","1") = "9"
    & skf18("10","8","9","5","2","4","1") = "9"
    & skf18("10","8","9","5","2","5","1") = "9"
    & skf18("10","8","9","5","2","6","1") = "9"
    & skf18("10","8","9","5","2","7","1") = "9"
    & skf18("10","8","9","5","2","8","1") = "9"
    & skf18("10","8","9","5","2","9","1") = "9"
    & skf18("10","8","9","5","2","10","1") = "9"
    & skf18("10","8","9","5","3","1","1") = "9"
    & skf18("10","8","9","5","3","2","1") = "9"
    & skf18("10","8","9","5","3","3","1") = "9"
    & skf18("10","8","9","5","3","4","1") = "9"
    & skf18("10","8","9","5","3","5","1") = "9"
    & skf18("10","8","9","5","3","6","1") = "9"
    & skf18("10","8","9","5","3","7","1") = "9"
    & skf18("10","8","9","5","3","8","1") = "9"
    & skf18("10","8","9","5","3","9","1") = "9"
    & skf18("10","8","9","5","3","10","1") = "9"
    & skf18("10","8","9","5","4","1","1") = "9"
    & skf18("10","8","9","5","4","2","1") = "9"
    & skf18("10","8","9","5","4","3","1") = "9"
    & skf18("10","8","9","5","4","4","1") = "9"
    & skf18("10","8","9","5","4","5","1") = "9"
    & skf18("10","8","9","5","4","6","1") = "9"
    & skf18("10","8","9","5","4","7","1") = "9"
    & skf18("10","8","9","5","4","8","1") = "9"
    & skf18("10","8","9","5","4","9","1") = "9"
    & skf18("10","8","9","5","4","10","1") = "9"
    & skf18("10","8","9","5","5","1","1") = "9"
    & skf18("10","8","9","5","5","2","1") = "9"
    & skf18("10","8","9","5","5","3","1") = "9"
    & skf18("10","8","9","5","5","4","1") = "9"
    & skf18("10","8","9","5","5","5","1") = "9"
    & skf18("10","8","9","5","5","6","1") = "9"
    & skf18("10","8","9","5","5","7","1") = "9"
    & skf18("10","8","9","5","5","8","1") = "9"
    & skf18("10","8","9","5","5","9","1") = "9"
    & skf18("10","8","9","5","5","10","1") = "9"
    & skf18("10","8","9","5","6","1","1") = "9"
    & skf18("10","8","9","5","6","2","1") = "9"
    & skf18("10","8","9","5","6","3","1") = "9"
    & skf18("10","8","9","5","6","4","1") = "9"
    & skf18("10","8","9","5","6","5","1") = "9"
    & skf18("10","8","9","5","6","6","1") = "9"
    & skf18("10","8","9","5","6","7","1") = "9"
    & skf18("10","8","9","5","6","8","1") = "9"
    & skf18("10","8","9","5","6","9","1") = "9"
    & skf18("10","8","9","5","6","10","1") = "9"
    & skf18("10","8","9","5","7","1","1") = "9"
    & skf18("10","8","9","5","7","2","1") = "9"
    & skf18("10","8","9","5","7","3","1") = "9"
    & skf18("10","8","9","5","7","4","1") = "9"
    & skf18("10","8","9","5","7","5","1") = "9"
    & skf18("10","8","9","5","7","6","1") = "9"
    & skf18("10","8","9","5","7","7","1") = "9"
    & skf18("10","8","9","5","7","8","1") = "9"
    & skf18("10","8","9","5","7","9","1") = "9"
    & skf18("10","8","9","5","7","10","1") = "9"
    & skf18("10","8","9","5","8","1","1") = "9"
    & skf18("10","8","9","5","8","2","1") = "9"
    & skf18("10","8","9","5","8","3","1") = "9"
    & skf18("10","8","9","5","8","4","1") = "9"
    & skf18("10","8","9","5","8","5","1") = "9"
    & skf18("10","8","9","5","8","6","1") = "9"
    & skf18("10","8","9","5","8","7","1") = "9"
    & skf18("10","8","9","5","8","8","1") = "9"
    & skf18("10","8","9","5","8","9","1") = "9"
    & skf18("10","8","9","5","8","10","1") = "9"
    & skf18("10","8","9","5","9","1","1") = "9"
    & skf18("10","8","9","5","9","2","1") = "9"
    & skf18("10","8","9","5","9","3","1") = "9"
    & skf18("10","8","9","5","9","4","1") = "9"
    & skf18("10","8","9","5","9","5","1") = "9"
    & skf18("10","8","9","5","9","6","1") = "9"
    & skf18("10","8","9","5","9","7","1") = "9"
    & skf18("10","8","9","5","9","8","1") = "9"
    & skf18("10","8","9","5","9","9","1") = "9"
    & skf18("10","8","9","5","9","10","1") = "9"
    & skf18("10","8","9","5","10","1","1") = "9"
    & skf18("10","8","9","5","10","2","1") = "9"
    & skf18("10","8","9","5","10","3","1") = "9"
    & skf18("10","8","9","5","10","4","1") = "9"
    & skf18("10","8","9","5","10","5","1") = "9"
    & skf18("10","8","9","5","10","6","1") = "9"
    & skf18("10","8","9","5","10","7","1") = "9"
    & skf18("10","8","9","5","10","8","1") = "9"
    & skf18("10","8","9","5","10","9","1") = "9"
    & skf18("10","8","9","5","10","10","1") = "9"
    & skf18("10","8","9","6","1","1","1") = "9"
    & skf18("10","8","9","6","1","2","1") = "9"
    & skf18("10","8","9","6","1","3","1") = "9"
    & skf18("10","8","9","6","1","4","1") = "9"
    & skf18("10","8","9","6","1","5","1") = "9"
    & skf18("10","8","9","6","1","6","1") = "9"
    & skf18("10","8","9","6","1","7","1") = "9"
    & skf18("10","8","9","6","1","8","1") = "9"
    & skf18("10","8","9","6","1","9","1") = "9"
    & skf18("10","8","9","6","1","10","1") = "9"
    & skf18("10","8","9","6","2","1","1") = "9"
    & skf18("10","8","9","6","2","2","1") = "9"
    & skf18("10","8","9","6","2","3","1") = "9"
    & skf18("10","8","9","6","2","4","1") = "9"
    & skf18("10","8","9","6","2","5","1") = "9"
    & skf18("10","8","9","6","2","6","1") = "9"
    & skf18("10","8","9","6","2","7","1") = "9"
    & skf18("10","8","9","6","2","8","1") = "9"
    & skf18("10","8","9","6","2","9","1") = "9"
    & skf18("10","8","9","6","2","10","1") = "9"
    & skf18("10","8","9","6","3","1","1") = "9"
    & skf18("10","8","9","6","3","2","1") = "9"
    & skf18("10","8","9","6","3","3","1") = "9"
    & skf18("10","8","9","6","3","4","1") = "9"
    & skf18("10","8","9","6","3","5","1") = "9"
    & skf18("10","8","9","6","3","6","1") = "9"
    & skf18("10","8","9","6","3","7","1") = "9"
    & skf18("10","8","9","6","3","8","1") = "9"
    & skf18("10","8","9","6","3","9","1") = "9"
    & skf18("10","8","9","6","3","10","1") = "9"
    & skf18("10","8","9","6","4","1","1") = "9"
    & skf18("10","8","9","6","4","2","1") = "9"
    & skf18("10","8","9","6","4","3","1") = "9"
    & skf18("10","8","9","6","4","4","1") = "9"
    & skf18("10","8","9","6","4","5","1") = "9"
    & skf18("10","8","9","6","4","6","1") = "9"
    & skf18("10","8","9","6","4","7","1") = "9"
    & skf18("10","8","9","6","4","8","1") = "9"
    & skf18("10","8","9","6","4","9","1") = "9"
    & skf18("10","8","9","6","4","10","1") = "9"
    & skf18("10","8","9","6","5","1","1") = "9"
    & skf18("10","8","9","6","5","2","1") = "9"
    & skf18("10","8","9","6","5","3","1") = "9"
    & skf18("10","8","9","6","5","4","1") = "9"
    & skf18("10","8","9","6","5","5","1") = "9"
    & skf18("10","8","9","6","5","6","1") = "9"
    & skf18("10","8","9","6","5","7","1") = "9"
    & skf18("10","8","9","6","5","8","1") = "9"
    & skf18("10","8","9","6","5","9","1") = "9"
    & skf18("10","8","9","6","5","10","1") = "9"
    & skf18("10","8","9","6","6","1","1") = "9"
    & skf18("10","8","9","6","6","2","1") = "9"
    & skf18("10","8","9","6","6","3","1") = "9"
    & skf18("10","8","9","6","6","4","1") = "9"
    & skf18("10","8","9","6","6","5","1") = "9"
    & skf18("10","8","9","6","6","6","1") = "9"
    & skf18("10","8","9","6","6","7","1") = "9"
    & skf18("10","8","9","6","6","8","1") = "9"
    & skf18("10","8","9","6","6","9","1") = "9"
    & skf18("10","8","9","6","6","10","1") = "9"
    & skf18("10","8","9","6","7","1","1") = "9"
    & skf18("10","8","9","6","7","2","1") = "9"
    & skf18("10","8","9","6","7","3","1") = "9"
    & skf18("10","8","9","6","7","4","1") = "9"
    & skf18("10","8","9","6","7","5","1") = "9"
    & skf18("10","8","9","6","7","6","1") = "9"
    & skf18("10","8","9","6","7","7","1") = "9"
    & skf18("10","8","9","6","7","8","1") = "9"
    & skf18("10","8","9","6","7","9","1") = "9"
    & skf18("10","8","9","6","7","10","1") = "9"
    & skf18("10","8","9","6","8","1","1") = "9"
    & skf18("10","8","9","6","8","2","1") = "9"
    & skf18("10","8","9","6","8","3","1") = "9"
    & skf18("10","8","9","6","8","4","1") = "9"
    & skf18("10","8","9","6","8","5","1") = "9"
    & skf18("10","8","9","6","8","6","1") = "9"
    & skf18("10","8","9","6","8","7","1") = "9"
    & skf18("10","8","9","6","8","8","1") = "9"
    & skf18("10","8","9","6","8","9","1") = "9"
    & skf18("10","8","9","6","8","10","1") = "9"
    & skf18("10","8","9","6","9","1","1") = "9"
    & skf18("10","8","9","6","9","2","1") = "9"
    & skf18("10","8","9","6","9","3","1") = "9"
    & skf18("10","8","9","6","9","4","1") = "9"
    & skf18("10","8","9","6","9","5","1") = "9"
    & skf18("10","8","9","6","9","6","1") = "9"
    & skf18("10","8","9","6","9","7","1") = "9"
    & skf18("10","8","9","6","9","8","1") = "9"
    & skf18("10","8","9","6","9","9","1") = "9"
    & skf18("10","8","9","6","9","10","1") = "9"
    & skf18("10","8","9","6","10","1","1") = "9"
    & skf18("10","8","9","6","10","2","1") = "9"
    & skf18("10","8","9","6","10","3","1") = "9"
    & skf18("10","8","9","6","10","4","1") = "9"
    & skf18("10","8","9","6","10","5","1") = "9"
    & skf18("10","8","9","6","10","6","1") = "9"
    & skf18("10","8","9","6","10","7","1") = "9"
    & skf18("10","8","9","6","10","8","1") = "9"
    & skf18("10","8","9","6","10","9","1") = "9"
    & skf18("10","8","9","6","10","10","1") = "9"
    & skf18("10","8","9","7","1","1","1") = "9"
    & skf18("10","8","9","7","1","2","1") = "9"
    & skf18("10","8","9","7","1","3","1") = "9"
    & skf18("10","8","9","7","1","4","1") = "9"
    & skf18("10","8","9","7","1","5","1") = "9"
    & skf18("10","8","9","7","1","6","1") = "9"
    & skf18("10","8","9","7","1","7","1") = "9"
    & skf18("10","8","9","7","1","8","1") = "9"
    & skf18("10","8","9","7","1","9","1") = "9"
    & skf18("10","8","9","7","1","10","1") = "9"
    & skf18("10","8","9","7","2","1","1") = "9"
    & skf18("10","8","9","7","2","2","1") = "9"
    & skf18("10","8","9","7","2","3","1") = "9"
    & skf18("10","8","9","7","2","4","1") = "9"
    & skf18("10","8","9","7","2","5","1") = "9"
    & skf18("10","8","9","7","2","6","1") = "9"
    & skf18("10","8","9","7","2","7","1") = "9"
    & skf18("10","8","9","7","2","8","1") = "9"
    & skf18("10","8","9","7","2","9","1") = "9"
    & skf18("10","8","9","7","2","10","1") = "9"
    & skf18("10","8","9","7","3","1","1") = "9"
    & skf18("10","8","9","7","3","2","1") = "9"
    & skf18("10","8","9","7","3","3","1") = "9"
    & skf18("10","8","9","7","3","4","1") = "9"
    & skf18("10","8","9","7","3","5","1") = "9"
    & skf18("10","8","9","7","3","6","1") = "9"
    & skf18("10","8","9","7","3","7","1") = "9"
    & skf18("10","8","9","7","3","8","1") = "9"
    & skf18("10","8","9","7","3","9","1") = "9"
    & skf18("10","8","9","7","3","10","1") = "9"
    & skf18("10","8","9","7","4","1","1") = "9"
    & skf18("10","8","9","7","4","2","1") = "9"
    & skf18("10","8","9","7","4","3","1") = "9"
    & skf18("10","8","9","7","4","4","1") = "9"
    & skf18("10","8","9","7","4","5","1") = "9"
    & skf18("10","8","9","7","4","6","1") = "9"
    & skf18("10","8","9","7","4","7","1") = "9"
    & skf18("10","8","9","7","4","8","1") = "9"
    & skf18("10","8","9","7","4","9","1") = "9"
    & skf18("10","8","9","7","4","10","1") = "9"
    & skf18("10","8","9","7","5","1","1") = "9"
    & skf18("10","8","9","7","5","2","1") = "9"
    & skf18("10","8","9","7","5","3","1") = "9"
    & skf18("10","8","9","7","5","4","1") = "9"
    & skf18("10","8","9","7","5","5","1") = "9"
    & skf18("10","8","9","7","5","6","1") = "9"
    & skf18("10","8","9","7","5","7","1") = "9"
    & skf18("10","8","9","7","5","8","1") = "9"
    & skf18("10","8","9","7","5","9","1") = "9"
    & skf18("10","8","9","7","5","10","1") = "9"
    & skf18("10","8","9","7","6","1","1") = "9"
    & skf18("10","8","9","7","6","2","1") = "9"
    & skf18("10","8","9","7","6","3","1") = "9"
    & skf18("10","8","9","7","6","4","1") = "9"
    & skf18("10","8","9","7","6","5","1") = "9"
    & skf18("10","8","9","7","6","6","1") = "9"
    & skf18("10","8","9","7","6","7","1") = "9"
    & skf18("10","8","9","7","6","8","1") = "9"
    & skf18("10","8","9","7","6","9","1") = "9"
    & skf18("10","8","9","7","6","10","1") = "9"
    & skf18("10","8","9","7","7","1","1") = "9"
    & skf18("10","8","9","7","7","2","1") = "9"
    & skf18("10","8","9","7","7","3","1") = "9"
    & skf18("10","8","9","7","7","4","1") = "9"
    & skf18("10","8","9","7","7","5","1") = "9"
    & skf18("10","8","9","7","7","6","1") = "9"
    & skf18("10","8","9","7","7","7","1") = "9"
    & skf18("10","8","9","7","7","8","1") = "9"
    & skf18("10","8","9","7","7","9","1") = "9"
    & skf18("10","8","9","7","7","10","1") = "9"
    & skf18("10","8","9","7","8","1","1") = "9"
    & skf18("10","8","9","7","8","2","1") = "9"
    & skf18("10","8","9","7","8","3","1") = "9"
    & skf18("10","8","9","7","8","4","1") = "9"
    & skf18("10","8","9","7","8","5","1") = "9"
    & skf18("10","8","9","7","8","6","1") = "9"
    & skf18("10","8","9","7","8","7","1") = "9"
    & skf18("10","8","9","7","8","8","1") = "9"
    & skf18("10","8","9","7","8","9","1") = "9"
    & skf18("10","8","9","7","8","10","1") = "9"
    & skf18("10","8","9","7","9","1","1") = "9"
    & skf18("10","8","9","7","9","2","1") = "9"
    & skf18("10","8","9","7","9","3","1") = "9"
    & skf18("10","8","9","7","9","4","1") = "9"
    & skf18("10","8","9","7","9","5","1") = "9"
    & skf18("10","8","9","7","9","6","1") = "9"
    & skf18("10","8","9","7","9","7","1") = "9"
    & skf18("10","8","9","7","9","8","1") = "9"
    & skf18("10","8","9","7","9","9","1") = "9"
    & skf18("10","8","9","7","9","10","1") = "9"
    & skf18("10","8","9","7","10","1","1") = "9"
    & skf18("10","8","9","7","10","2","1") = "9"
    & skf18("10","8","9","7","10","3","1") = "9"
    & skf18("10","8","9","7","10","4","1") = "9"
    & skf18("10","8","9","7","10","5","1") = "9"
    & skf18("10","8","9","7","10","6","1") = "9"
    & skf18("10","8","9","7","10","7","1") = "9"
    & skf18("10","8","9","7","10","8","1") = "9"
    & skf18("10","8","9","7","10","9","1") = "9"
    & skf18("10","8","9","7","10","10","1") = "9"
    & skf18("10","8","9","8","1","1","1") = "9"
    & skf18("10","8","9","8","1","2","1") = "9"
    & skf18("10","8","9","8","1","3","1") = "9"
    & skf18("10","8","9","8","1","4","1") = "9"
    & skf18("10","8","9","8","1","5","1") = "9"
    & skf18("10","8","9","8","1","6","1") = "9"
    & skf18("10","8","9","8","1","7","1") = "9"
    & skf18("10","8","9","8","1","8","1") = "9"
    & skf18("10","8","9","8","1","9","1") = "9"
    & skf18("10","8","9","8","1","10","1") = "9"
    & skf18("10","8","9","8","2","1","1") = "9"
    & skf18("10","8","9","8","2","2","1") = "9"
    & skf18("10","8","9","8","2","3","1") = "9"
    & skf18("10","8","9","8","2","4","1") = "9"
    & skf18("10","8","9","8","2","5","1") = "9"
    & skf18("10","8","9","8","2","6","1") = "9"
    & skf18("10","8","9","8","2","7","1") = "9"
    & skf18("10","8","9","8","2","8","1") = "9"
    & skf18("10","8","9","8","2","9","1") = "9"
    & skf18("10","8","9","8","2","10","1") = "9"
    & skf18("10","8","9","8","3","1","1") = "9"
    & skf18("10","8","9","8","3","2","1") = "9"
    & skf18("10","8","9","8","3","3","1") = "9"
    & skf18("10","8","9","8","3","4","1") = "9"
    & skf18("10","8","9","8","3","5","1") = "9"
    & skf18("10","8","9","8","3","6","1") = "9"
    & skf18("10","8","9","8","3","7","1") = "9"
    & skf18("10","8","9","8","3","8","1") = "9"
    & skf18("10","8","9","8","3","9","1") = "9"
    & skf18("10","8","9","8","3","10","1") = "9"
    & skf18("10","8","9","8","4","1","1") = "9"
    & skf18("10","8","9","8","4","2","1") = "9"
    & skf18("10","8","9","8","4","3","1") = "9"
    & skf18("10","8","9","8","4","4","1") = "9"
    & skf18("10","8","9","8","4","5","1") = "9"
    & skf18("10","8","9","8","4","6","1") = "9"
    & skf18("10","8","9","8","4","7","1") = "9"
    & skf18("10","8","9","8","4","8","1") = "9"
    & skf18("10","8","9","8","4","9","1") = "9"
    & skf18("10","8","9","8","4","10","1") = "9"
    & skf18("10","8","9","8","5","1","1") = "9"
    & skf18("10","8","9","8","5","2","1") = "9"
    & skf18("10","8","9","8","5","3","1") = "9"
    & skf18("10","8","9","8","5","4","1") = "9"
    & skf18("10","8","9","8","5","5","1") = "9"
    & skf18("10","8","9","8","5","6","1") = "9"
    & skf18("10","8","9","8","5","7","1") = "9"
    & skf18("10","8","9","8","5","8","1") = "9"
    & skf18("10","8","9","8","5","9","1") = "9"
    & skf18("10","8","9","8","5","10","1") = "9"
    & skf18("10","8","9","8","6","1","1") = "9"
    & skf18("10","8","9","8","6","2","1") = "9"
    & skf18("10","8","9","8","6","3","1") = "9"
    & skf18("10","8","9","8","6","4","1") = "9"
    & skf18("10","8","9","8","6","5","1") = "9"
    & skf18("10","8","9","8","6","6","1") = "9"
    & skf18("10","8","9","8","6","7","1") = "9"
    & skf18("10","8","9","8","6","8","1") = "9"
    & skf18("10","8","9","8","6","9","1") = "9"
    & skf18("10","8","9","8","6","10","1") = "9"
    & skf18("10","8","9","8","7","1","1") = "9"
    & skf18("10","8","9","8","7","2","1") = "9"
    & skf18("10","8","9","8","7","3","1") = "9"
    & skf18("10","8","9","8","7","4","1") = "9"
    & skf18("10","8","9","8","7","5","1") = "9"
    & skf18("10","8","9","8","7","6","1") = "9"
    & skf18("10","8","9","8","7","7","1") = "9"
    & skf18("10","8","9","8","7","8","1") = "9"
    & skf18("10","8","9","8","7","9","1") = "9"
    & skf18("10","8","9","8","7","10","1") = "9"
    & skf18("10","8","9","8","8","1","1") = "9"
    & skf18("10","8","9","8","8","2","1") = "9"
    & skf18("10","8","9","8","8","3","1") = "9"
    & skf18("10","8","9","8","8","4","1") = "9"
    & skf18("10","8","9","8","8","5","1") = "9"
    & skf18("10","8","9","8","8","6","1") = "9"
    & skf18("10","8","9","8","8","7","1") = "9"
    & skf18("10","8","9","8","8","8","1") = "9"
    & skf18("10","8","9","8","8","9","1") = "9"
    & skf18("10","8","9","8","8","10","1") = "9"
    & skf18("10","8","9","8","9","1","1") = "9"
    & skf18("10","8","9","8","9","2","1") = "9"
    & skf18("10","8","9","8","9","3","1") = "9"
    & skf18("10","8","9","8","9","4","1") = "9"
    & skf18("10","8","9","8","9","5","1") = "9"
    & skf18("10","8","9","8","9","6","1") = "9"
    & skf18("10","8","9","8","9","7","1") = "9"
    & skf18("10","8","9","8","9","8","1") = "9"
    & skf18("10","8","9","8","9","9","1") = "9"
    & skf18("10","8","9","8","9","10","1") = "9"
    & skf18("10","8","9","8","10","1","1") = "9"
    & skf18("10","8","9","8","10","2","1") = "9"
    & skf18("10","8","9","8","10","3","1") = "9"
    & skf18("10","8","9","8","10","4","1") = "9"
    & skf18("10","8","9","8","10","5","1") = "9"
    & skf18("10","8","9","8","10","6","1") = "9"
    & skf18("10","8","9","8","10","7","1") = "9"
    & skf18("10","8","9","8","10","8","1") = "9"
    & skf18("10","8","9","8","10","9","1") = "9"
    & skf18("10","8","9","8","10","10","1") = "9"
    & skf18("10","8","9","9","1","1","1") = "9"
    & skf18("10","8","9","9","1","2","1") = "9"
    & skf18("10","8","9","9","1","3","1") = "9"
    & skf18("10","8","9","9","1","4","1") = "9"
    & skf18("10","8","9","9","1","5","1") = "9"
    & skf18("10","8","9","9","1","6","1") = "9"
    & skf18("10","8","9","9","1","7","1") = "9"
    & skf18("10","8","9","9","1","8","1") = "9"
    & skf18("10","8","9","9","1","9","1") = "9"
    & skf18("10","8","9","9","1","10","1") = "9"
    & skf18("10","8","9","9","2","1","1") = "9"
    & skf18("10","8","9","9","2","2","1") = "9"
    & skf18("10","8","9","9","2","3","1") = "9"
    & skf18("10","8","9","9","2","4","1") = "9"
    & skf18("10","8","9","9","2","5","1") = "9"
    & skf18("10","8","9","9","2","6","1") = "9"
    & skf18("10","8","9","9","2","7","1") = "9"
    & skf18("10","8","9","9","2","8","1") = "9"
    & skf18("10","8","9","9","2","9","1") = "9"
    & skf18("10","8","9","9","2","10","1") = "9"
    & skf18("10","8","9","9","3","1","1") = "9"
    & skf18("10","8","9","9","3","2","1") = "9"
    & skf18("10","8","9","9","3","3","1") = "9"
    & skf18("10","8","9","9","3","4","1") = "9"
    & skf18("10","8","9","9","3","5","1") = "9"
    & skf18("10","8","9","9","3","6","1") = "9"
    & skf18("10","8","9","9","3","7","1") = "9"
    & skf18("10","8","9","9","3","8","1") = "9"
    & skf18("10","8","9","9","3","9","1") = "9"
    & skf18("10","8","9","9","3","10","1") = "9"
    & skf18("10","8","9","9","4","1","1") = "9"
    & skf18("10","8","9","9","4","2","1") = "9"
    & skf18("10","8","9","9","4","3","1") = "9"
    & skf18("10","8","9","9","4","4","1") = "9"
    & skf18("10","8","9","9","4","5","1") = "9"
    & skf18("10","8","9","9","4","6","1") = "9"
    & skf18("10","8","9","9","4","7","1") = "9"
    & skf18("10","8","9","9","4","8","1") = "9"
    & skf18("10","8","9","9","4","9","1") = "9"
    & skf18("10","8","9","9","4","10","1") = "9"
    & skf18("10","8","9","9","5","1","1") = "9"
    & skf18("10","8","9","9","5","2","1") = "9"
    & skf18("10","8","9","9","5","3","1") = "9"
    & skf18("10","8","9","9","5","4","1") = "9"
    & skf18("10","8","9","9","5","5","1") = "9"
    & skf18("10","8","9","9","5","6","1") = "9"
    & skf18("10","8","9","9","5","7","1") = "9"
    & skf18("10","8","9","9","5","8","1") = "9"
    & skf18("10","8","9","9","5","9","1") = "9"
    & skf18("10","8","9","9","5","10","1") = "9"
    & skf18("10","8","9","9","6","1","1") = "9"
    & skf18("10","8","9","9","6","2","1") = "9"
    & skf18("10","8","9","9","6","3","1") = "9"
    & skf18("10","8","9","9","6","4","1") = "9"
    & skf18("10","8","9","9","6","5","1") = "9"
    & skf18("10","8","9","9","6","6","1") = "9"
    & skf18("10","8","9","9","6","7","1") = "9"
    & skf18("10","8","9","9","6","8","1") = "9"
    & skf18("10","8","9","9","6","9","1") = "9"
    & skf18("10","8","9","9","6","10","1") = "9"
    & skf18("10","8","9","9","7","1","1") = "9"
    & skf18("10","8","9","9","7","2","1") = "9"
    & skf18("10","8","9","9","7","3","1") = "9"
    & skf18("10","8","9","9","7","4","1") = "9"
    & skf18("10","8","9","9","7","5","1") = "9"
    & skf18("10","8","9","9","7","6","1") = "9"
    & skf18("10","8","9","9","7","7","1") = "9"
    & skf18("10","8","9","9","7","8","1") = "9"
    & skf18("10","8","9","9","7","9","1") = "9"
    & skf18("10","8","9","9","7","10","1") = "9"
    & skf18("10","8","9","9","8","1","1") = "9"
    & skf18("10","8","9","9","8","2","1") = "9"
    & skf18("10","8","9","9","8","3","1") = "9"
    & skf18("10","8","9","9","8","4","1") = "9"
    & skf18("10","8","9","9","8","5","1") = "9"
    & skf18("10","8","9","9","8","6","1") = "9"
    & skf18("10","8","9","9","8","7","1") = "9"
    & skf18("10","8","9","9","8","8","1") = "9"
    & skf18("10","8","9","9","8","9","1") = "9"
    & skf18("10","8","9","9","8","10","1") = "9"
    & skf18("10","8","9","9","9","1","1") = "9"
    & skf18("10","8","9","9","9","2","1") = "9"
    & skf18("10","8","9","9","9","3","1") = "9"
    & skf18("10","8","9","9","9","4","1") = "9"
    & skf18("10","8","9","9","9","5","1") = "9"
    & skf18("10","8","9","9","9","6","1") = "9"
    & skf18("10","8","9","9","9","7","1") = "9"
    & skf18("10","8","9","9","9","8","1") = "9"
    & skf18("10","8","9","9","9","9","1") = "9"
    & skf18("10","8","9","9","9","10","1") = "9"
    & skf18("10","8","9","9","10","1","1") = "9"
    & skf18("10","8","9","9","10","2","1") = "9"
    & skf18("10","8","9","9","10","3","1") = "9"
    & skf18("10","8","9","9","10","4","1") = "9"
    & skf18("10","8","9","9","10","5","1") = "9"
    & skf18("10","8","9","9","10","6","1") = "9"
    & skf18("10","8","9","9","10","7","1") = "9"
    & skf18("10","8","9","9","10","8","1") = "9"
    & skf18("10","8","9","9","10","9","1") = "9"
    & skf18("10","8","9","9","10","10","1") = "9"
    & skf18("10","8","9","10","1","1","1") = "9"
    & skf18("10","8","9","10","1","2","1") = "9"
    & skf18("10","8","9","10","1","3","1") = "9"
    & skf18("10","8","9","10","1","4","1") = "9"
    & skf18("10","8","9","10","1","5","1") = "9"
    & skf18("10","8","9","10","1","6","1") = "9"
    & skf18("10","8","9","10","1","7","1") = "9"
    & skf18("10","8","9","10","1","8","1") = "9"
    & skf18("10","8","9","10","1","9","1") = "9"
    & skf18("10","8","9","10","1","10","1") = "9"
    & skf18("10","8","9","10","2","1","1") = "9"
    & skf18("10","8","9","10","2","2","1") = "9"
    & skf18("10","8","9","10","2","3","1") = "9"
    & skf18("10","8","9","10","2","4","1") = "9"
    & skf18("10","8","9","10","2","5","1") = "9"
    & skf18("10","8","9","10","2","6","1") = "9"
    & skf18("10","8","9","10","2","7","1") = "9"
    & skf18("10","8","9","10","2","8","1") = "9"
    & skf18("10","8","9","10","2","9","1") = "9"
    & skf18("10","8","9","10","2","10","1") = "9"
    & skf18("10","8","9","10","3","1","1") = "9"
    & skf18("10","8","9","10","3","2","1") = "9"
    & skf18("10","8","9","10","3","3","1") = "9"
    & skf18("10","8","9","10","3","4","1") = "9"
    & skf18("10","8","9","10","3","5","1") = "9"
    & skf18("10","8","9","10","3","6","1") = "9"
    & skf18("10","8","9","10","3","7","1") = "9"
    & skf18("10","8","9","10","3","8","1") = "9"
    & skf18("10","8","9","10","3","9","1") = "9"
    & skf18("10","8","9","10","3","10","1") = "9"
    & skf18("10","8","9","10","4","1","1") = "9"
    & skf18("10","8","9","10","4","2","1") = "9"
    & skf18("10","8","9","10","4","3","1") = "9"
    & skf18("10","8","9","10","4","4","1") = "9"
    & skf18("10","8","9","10","4","5","1") = "9"
    & skf18("10","8","9","10","4","6","1") = "9"
    & skf18("10","8","9","10","4","7","1") = "9"
    & skf18("10","8","9","10","4","8","1") = "9"
    & skf18("10","8","9","10","4","9","1") = "9"
    & skf18("10","8","9","10","4","10","1") = "9"
    & skf18("10","8","9","10","5","1","1") = "9"
    & skf18("10","8","9","10","5","2","1") = "9"
    & skf18("10","8","9","10","5","3","1") = "9"
    & skf18("10","8","9","10","5","4","1") = "9"
    & skf18("10","8","9","10","5","5","1") = "9"
    & skf18("10","8","9","10","5","6","1") = "9"
    & skf18("10","8","9","10","5","7","1") = "9"
    & skf18("10","8","9","10","5","8","1") = "9"
    & skf18("10","8","9","10","5","9","1") = "9"
    & skf18("10","8","9","10","5","10","1") = "9"
    & skf18("10","8","9","10","6","1","1") = "9"
    & skf18("10","8","9","10","6","2","1") = "9"
    & skf18("10","8","9","10","6","3","1") = "9"
    & skf18("10","8","9","10","6","4","1") = "9"
    & skf18("10","8","9","10","6","5","1") = "9"
    & skf18("10","8","9","10","6","6","1") = "9"
    & skf18("10","8","9","10","6","7","1") = "9"
    & skf18("10","8","9","10","6","8","1") = "9"
    & skf18("10","8","9","10","6","9","1") = "9"
    & skf18("10","8","9","10","6","10","1") = "9"
    & skf18("10","8","9","10","7","1","1") = "9"
    & skf18("10","8","9","10","7","2","1") = "9"
    & skf18("10","8","9","10","7","3","1") = "9"
    & skf18("10","8","9","10","7","4","1") = "9"
    & skf18("10","8","9","10","7","5","1") = "9"
    & skf18("10","8","9","10","7","6","1") = "9"
    & skf18("10","8","9","10","7","7","1") = "9"
    & skf18("10","8","9","10","7","8","1") = "9"
    & skf18("10","8","9","10","7","9","1") = "9"
    & skf18("10","8","9","10","7","10","1") = "9"
    & skf18("10","8","9","10","8","1","1") = "9"
    & skf18("10","8","9","10","8","2","1") = "9"
    & skf18("10","8","9","10","8","3","1") = "9"
    & skf18("10","8","9","10","8","4","1") = "9"
    & skf18("10","8","9","10","8","5","1") = "9"
    & skf18("10","8","9","10","8","6","1") = "9"
    & skf18("10","8","9","10","8","7","1") = "9"
    & skf18("10","8","9","10","8","8","1") = "9"
    & skf18("10","8","9","10","8","9","1") = "9"
    & skf18("10","8","9","10","8","10","1") = "9"
    & skf18("10","8","9","10","9","1","1") = "9"
    & skf18("10","8","9","10","9","2","1") = "9"
    & skf18("10","8","9","10","9","3","1") = "9"
    & skf18("10","8","9","10","9","4","1") = "9"
    & skf18("10","8","9","10","9","5","1") = "9"
    & skf18("10","8","9","10","9","6","1") = "9"
    & skf18("10","8","9","10","9","7","1") = "9"
    & skf18("10","8","9","10","9","8","1") = "9"
    & skf18("10","8","9","10","9","9","1") = "9"
    & skf18("10","8","9","10","9","10","1") = "9"
    & skf18("10","8","9","10","10","1","1") = "9"
    & skf18("10","8","9","10","10","2","1") = "9"
    & skf18("10","8","9","10","10","3","1") = "9"
    & skf18("10","8","9","10","10","4","1") = "9"
    & skf18("10","8","9","10","10","5","1") = "9"
    & skf18("10","8","9","10","10","6","1") = "9"
    & skf18("10","8","9","10","10","7","1") = "9"
    & skf18("10","8","9","10","10","8","1") = "9"
    & skf18("10","8","9","10","10","9","1") = "9"
    & skf18("10","8","9","10","10","10","1") = "9"
    & skf18("10","8","10","1","1","1","1") = "9"
    & skf18("10","8","10","1","1","2","1") = "9"
    & skf18("10","8","10","1","1","3","1") = "9"
    & skf18("10","8","10","1","1","4","1") = "9"
    & skf18("10","8","10","1","1","5","1") = "9"
    & skf18("10","8","10","1","1","6","1") = "9"
    & skf18("10","8","10","1","1","7","1") = "9"
    & skf18("10","8","10","1","1","8","1") = "9"
    & skf18("10","8","10","1","1","9","1") = "9"
    & skf18("10","8","10","1","1","10","1") = "9"
    & skf18("10","8","10","1","2","1","1") = "9"
    & skf18("10","8","10","1","2","2","1") = "9"
    & skf18("10","8","10","1","2","3","1") = "9"
    & skf18("10","8","10","1","2","4","1") = "9"
    & skf18("10","8","10","1","2","5","1") = "9"
    & skf18("10","8","10","1","2","6","1") = "9"
    & skf18("10","8","10","1","2","7","1") = "9"
    & skf18("10","8","10","1","2","8","1") = "9"
    & skf18("10","8","10","1","2","9","1") = "9"
    & skf18("10","8","10","1","2","10","1") = "9"
    & skf18("10","8","10","1","3","1","1") = "9"
    & skf18("10","8","10","1","3","2","1") = "9"
    & skf18("10","8","10","1","3","3","1") = "9"
    & skf18("10","8","10","1","3","4","1") = "9"
    & skf18("10","8","10","1","3","5","1") = "9"
    & skf18("10","8","10","1","3","6","1") = "9"
    & skf18("10","8","10","1","3","7","1") = "9"
    & skf18("10","8","10","1","3","8","1") = "9"
    & skf18("10","8","10","1","3","9","1") = "9"
    & skf18("10","8","10","1","3","10","1") = "9"
    & skf18("10","8","10","1","4","1","1") = "9"
    & skf18("10","8","10","1","4","2","1") = "9"
    & skf18("10","8","10","1","4","3","1") = "9"
    & skf18("10","8","10","1","4","4","1") = "9"
    & skf18("10","8","10","1","4","5","1") = "9"
    & skf18("10","8","10","1","4","6","1") = "9"
    & skf18("10","8","10","1","4","7","1") = "9"
    & skf18("10","8","10","1","4","8","1") = "9"
    & skf18("10","8","10","1","4","9","1") = "9"
    & skf18("10","8","10","1","4","10","1") = "9"
    & skf18("10","8","10","1","5","1","1") = "9"
    & skf18("10","8","10","1","5","2","1") = "9"
    & skf18("10","8","10","1","5","3","1") = "9"
    & skf18("10","8","10","1","5","4","1") = "9"
    & skf18("10","8","10","1","5","5","1") = "9"
    & skf18("10","8","10","1","5","6","1") = "9"
    & skf18("10","8","10","1","5","7","1") = "9"
    & skf18("10","8","10","1","5","8","1") = "9"
    & skf18("10","8","10","1","5","9","1") = "9"
    & skf18("10","8","10","1","5","10","1") = "9"
    & skf18("10","8","10","1","6","1","1") = "9"
    & skf18("10","8","10","1","6","2","1") = "9"
    & skf18("10","8","10","1","6","3","1") = "9"
    & skf18("10","8","10","1","6","4","1") = "9"
    & skf18("10","8","10","1","6","5","1") = "9"
    & skf18("10","8","10","1","6","6","1") = "9"
    & skf18("10","8","10","1","6","7","1") = "9"
    & skf18("10","8","10","1","6","8","1") = "9"
    & skf18("10","8","10","1","6","9","1") = "9"
    & skf18("10","8","10","1","6","10","1") = "9"
    & skf18("10","8","10","1","7","1","1") = "9"
    & skf18("10","8","10","1","7","2","1") = "9"
    & skf18("10","8","10","1","7","3","1") = "9"
    & skf18("10","8","10","1","7","4","1") = "9"
    & skf18("10","8","10","1","7","5","1") = "9"
    & skf18("10","8","10","1","7","6","1") = "9"
    & skf18("10","8","10","1","7","7","1") = "9"
    & skf18("10","8","10","1","7","8","1") = "9"
    & skf18("10","8","10","1","7","9","1") = "9"
    & skf18("10","8","10","1","7","10","1") = "9"
    & skf18("10","8","10","1","8","1","1") = "9"
    & skf18("10","8","10","1","8","2","1") = "9"
    & skf18("10","8","10","1","8","3","1") = "9"
    & skf18("10","8","10","1","8","4","1") = "9"
    & skf18("10","8","10","1","8","5","1") = "9"
    & skf18("10","8","10","1","8","6","1") = "9"
    & skf18("10","8","10","1","8","7","1") = "9"
    & skf18("10","8","10","1","8","8","1") = "9"
    & skf18("10","8","10","1","8","9","1") = "9"
    & skf18("10","8","10","1","8","10","1") = "9"
    & skf18("10","8","10","1","9","1","1") = "9"
    & skf18("10","8","10","1","9","2","1") = "9"
    & skf18("10","8","10","1","9","3","1") = "9"
    & skf18("10","8","10","1","9","4","1") = "9"
    & skf18("10","8","10","1","9","5","1") = "9"
    & skf18("10","8","10","1","9","6","1") = "9"
    & skf18("10","8","10","1","9","7","1") = "9"
    & skf18("10","8","10","1","9","8","1") = "9"
    & skf18("10","8","10","1","9","9","1") = "9"
    & skf18("10","8","10","1","9","10","1") = "9"
    & skf18("10","8","10","1","10","1","1") = "9"
    & skf18("10","8","10","1","10","2","1") = "9"
    & skf18("10","8","10","1","10","3","1") = "9"
    & skf18("10","8","10","1","10","4","1") = "9"
    & skf18("10","8","10","1","10","5","1") = "9"
    & skf18("10","8","10","1","10","6","1") = "9"
    & skf18("10","8","10","1","10","7","1") = "9"
    & skf18("10","8","10","1","10","8","1") = "9"
    & skf18("10","8","10","1","10","9","1") = "9"
    & skf18("10","8","10","1","10","10","1") = "9"
    & skf18("10","8","10","2","1","1","1") = "9"
    & skf18("10","8","10","2","1","2","1") = "9"
    & skf18("10","8","10","2","1","3","1") = "9"
    & skf18("10","8","10","2","1","4","1") = "9"
    & skf18("10","8","10","2","1","5","1") = "9"
    & skf18("10","8","10","2","1","6","1") = "9"
    & skf18("10","8","10","2","1","7","1") = "9"
    & skf18("10","8","10","2","1","8","1") = "9"
    & skf18("10","8","10","2","1","9","1") = "9"
    & skf18("10","8","10","2","1","10","1") = "9"
    & skf18("10","8","10","2","2","1","1") = "9"
    & skf18("10","8","10","2","2","2","1") = "9"
    & skf18("10","8","10","2","2","3","1") = "9"
    & skf18("10","8","10","2","2","4","1") = "9"
    & skf18("10","8","10","2","2","5","1") = "9"
    & skf18("10","8","10","2","2","6","1") = "9"
    & skf18("10","8","10","2","2","7","1") = "9"
    & skf18("10","8","10","2","2","8","1") = "9"
    & skf18("10","8","10","2","2","9","1") = "9"
    & skf18("10","8","10","2","2","10","1") = "9"
    & skf18("10","8","10","2","3","1","1") = "9"
    & skf18("10","8","10","2","3","2","1") = "9"
    & skf18("10","8","10","2","3","3","1") = "9"
    & skf18("10","8","10","2","3","4","1") = "9"
    & skf18("10","8","10","2","3","5","1") = "9"
    & skf18("10","8","10","2","3","6","1") = "9"
    & skf18("10","8","10","2","3","7","1") = "9"
    & skf18("10","8","10","2","3","8","1") = "9"
    & skf18("10","8","10","2","3","9","1") = "9"
    & skf18("10","8","10","2","3","10","1") = "9"
    & skf18("10","8","10","2","4","1","1") = "9"
    & skf18("10","8","10","2","4","2","1") = "9"
    & skf18("10","8","10","2","4","3","1") = "9"
    & skf18("10","8","10","2","4","4","1") = "9"
    & skf18("10","8","10","2","4","5","1") = "9"
    & skf18("10","8","10","2","4","6","1") = "9"
    & skf18("10","8","10","2","4","7","1") = "9"
    & skf18("10","8","10","2","4","8","1") = "9"
    & skf18("10","8","10","2","4","9","1") = "9"
    & skf18("10","8","10","2","4","10","1") = "9"
    & skf18("10","8","10","2","5","1","1") = "9"
    & skf18("10","8","10","2","5","2","1") = "9"
    & skf18("10","8","10","2","5","3","1") = "9"
    & skf18("10","8","10","2","5","4","1") = "9"
    & skf18("10","8","10","2","5","5","1") = "9"
    & skf18("10","8","10","2","5","6","1") = "9"
    & skf18("10","8","10","2","5","7","1") = "9"
    & skf18("10","8","10","2","5","8","1") = "9"
    & skf18("10","8","10","2","5","9","1") = "9"
    & skf18("10","8","10","2","5","10","1") = "9"
    & skf18("10","8","10","2","6","1","1") = "9"
    & skf18("10","8","10","2","6","2","1") = "9"
    & skf18("10","8","10","2","6","3","1") = "9"
    & skf18("10","8","10","2","6","4","1") = "9"
    & skf18("10","8","10","2","6","5","1") = "9"
    & skf18("10","8","10","2","6","6","1") = "9"
    & skf18("10","8","10","2","6","7","1") = "9"
    & skf18("10","8","10","2","6","8","1") = "9"
    & skf18("10","8","10","2","6","9","1") = "9"
    & skf18("10","8","10","2","6","10","1") = "9"
    & skf18("10","8","10","2","7","1","1") = "9"
    & skf18("10","8","10","2","7","2","1") = "9"
    & skf18("10","8","10","2","7","3","1") = "9"
    & skf18("10","8","10","2","7","4","1") = "9"
    & skf18("10","8","10","2","7","5","1") = "9"
    & skf18("10","8","10","2","7","6","1") = "9"
    & skf18("10","8","10","2","7","7","1") = "9"
    & skf18("10","8","10","2","7","8","1") = "9"
    & skf18("10","8","10","2","7","9","1") = "9"
    & skf18("10","8","10","2","7","10","1") = "9"
    & skf18("10","8","10","2","8","1","1") = "9"
    & skf18("10","8","10","2","8","2","1") = "9"
    & skf18("10","8","10","2","8","3","1") = "9"
    & skf18("10","8","10","2","8","4","1") = "9"
    & skf18("10","8","10","2","8","5","1") = "9"
    & skf18("10","8","10","2","8","6","1") = "9"
    & skf18("10","8","10","2","8","7","1") = "9"
    & skf18("10","8","10","2","8","8","1") = "9"
    & skf18("10","8","10","2","8","9","1") = "9"
    & skf18("10","8","10","2","8","10","1") = "9"
    & skf18("10","8","10","2","9","1","1") = "9"
    & skf18("10","8","10","2","9","2","1") = "9"
    & skf18("10","8","10","2","9","3","1") = "9"
    & skf18("10","8","10","2","9","4","1") = "9"
    & skf18("10","8","10","2","9","5","1") = "9"
    & skf18("10","8","10","2","9","6","1") = "9"
    & skf18("10","8","10","2","9","7","1") = "9"
    & skf18("10","8","10","2","9","8","1") = "9"
    & skf18("10","8","10","2","9","9","1") = "9"
    & skf18("10","8","10","2","9","10","1") = "9"
    & skf18("10","8","10","2","10","1","1") = "9"
    & skf18("10","8","10","2","10","2","1") = "9"
    & skf18("10","8","10","2","10","3","1") = "9"
    & skf18("10","8","10","2","10","4","1") = "9"
    & skf18("10","8","10","2","10","5","1") = "9"
    & skf18("10","8","10","2","10","6","1") = "9"
    & skf18("10","8","10","2","10","7","1") = "9"
    & skf18("10","8","10","2","10","8","1") = "9"
    & skf18("10","8","10","2","10","9","1") = "9"
    & skf18("10","8","10","2","10","10","1") = "9"
    & skf18("10","8","10","3","1","1","1") = "9"
    & skf18("10","8","10","3","1","2","1") = "9"
    & skf18("10","8","10","3","1","3","1") = "9"
    & skf18("10","8","10","3","1","4","1") = "9"
    & skf18("10","8","10","3","1","5","1") = "9"
    & skf18("10","8","10","3","1","6","1") = "9"
    & skf18("10","8","10","3","1","7","1") = "9"
    & skf18("10","8","10","3","1","8","1") = "9"
    & skf18("10","8","10","3","1","9","1") = "9"
    & skf18("10","8","10","3","1","10","1") = "9"
    & skf18("10","8","10","3","2","1","1") = "9"
    & skf18("10","8","10","3","2","2","1") = "9"
    & skf18("10","8","10","3","2","3","1") = "9"
    & skf18("10","8","10","3","2","4","1") = "9"
    & skf18("10","8","10","3","2","5","1") = "9"
    & skf18("10","8","10","3","2","6","1") = "9"
    & skf18("10","8","10","3","2","7","1") = "9"
    & skf18("10","8","10","3","2","8","1") = "9"
    & skf18("10","8","10","3","2","9","1") = "9"
    & skf18("10","8","10","3","2","10","1") = "9"
    & skf18("10","8","10","3","3","1","1") = "9"
    & skf18("10","8","10","3","3","2","1") = "9"
    & skf18("10","8","10","3","3","3","1") = "9"
    & skf18("10","8","10","3","3","4","1") = "9"
    & skf18("10","8","10","3","3","5","1") = "9"
    & skf18("10","8","10","3","3","6","1") = "9"
    & skf18("10","8","10","3","3","7","1") = "9"
    & skf18("10","8","10","3","3","8","1") = "9"
    & skf18("10","8","10","3","3","9","1") = "9"
    & skf18("10","8","10","3","3","10","1") = "9"
    & skf18("10","8","10","3","4","1","1") = "9"
    & skf18("10","8","10","3","4","2","1") = "9"
    & skf18("10","8","10","3","4","3","1") = "9"
    & skf18("10","8","10","3","4","4","1") = "9"
    & skf18("10","8","10","3","4","5","1") = "9"
    & skf18("10","8","10","3","4","6","1") = "9"
    & skf18("10","8","10","3","4","7","1") = "9"
    & skf18("10","8","10","3","4","8","1") = "9"
    & skf18("10","8","10","3","4","9","1") = "9"
    & skf18("10","8","10","3","4","10","1") = "9"
    & skf18("10","8","10","3","5","1","1") = "9"
    & skf18("10","8","10","3","5","2","1") = "9"
    & skf18("10","8","10","3","5","3","1") = "9"
    & skf18("10","8","10","3","5","4","1") = "9"
    & skf18("10","8","10","3","5","5","1") = "9"
    & skf18("10","8","10","3","5","6","1") = "9"
    & skf18("10","8","10","3","5","7","1") = "9"
    & skf18("10","8","10","3","5","8","1") = "9"
    & skf18("10","8","10","3","5","9","1") = "9"
    & skf18("10","8","10","3","5","10","1") = "9"
    & skf18("10","8","10","3","6","1","1") = "9"
    & skf18("10","8","10","3","6","2","1") = "9"
    & skf18("10","8","10","3","6","3","1") = "9"
    & skf18("10","8","10","3","6","4","1") = "9"
    & skf18("10","8","10","3","6","5","1") = "9"
    & skf18("10","8","10","3","6","6","1") = "9"
    & skf18("10","8","10","3","6","7","1") = "9"
    & skf18("10","8","10","3","6","8","1") = "9"
    & skf18("10","8","10","3","6","9","1") = "9"
    & skf18("10","8","10","3","6","10","1") = "9"
    & skf18("10","8","10","3","7","1","1") = "9"
    & skf18("10","8","10","3","7","2","1") = "9"
    & skf18("10","8","10","3","7","3","1") = "9"
    & skf18("10","8","10","3","7","4","1") = "9"
    & skf18("10","8","10","3","7","5","1") = "9"
    & skf18("10","8","10","3","7","6","1") = "9"
    & skf18("10","8","10","3","7","7","1") = "9"
    & skf18("10","8","10","3","7","8","1") = "9"
    & skf18("10","8","10","3","7","9","1") = "9"
    & skf18("10","8","10","3","7","10","1") = "9"
    & skf18("10","8","10","3","8","1","1") = "9"
    & skf18("10","8","10","3","8","2","1") = "9"
    & skf18("10","8","10","3","8","3","1") = "9"
    & skf18("10","8","10","3","8","4","1") = "9"
    & skf18("10","8","10","3","8","5","1") = "9"
    & skf18("10","8","10","3","8","6","1") = "9"
    & skf18("10","8","10","3","8","7","1") = "9"
    & skf18("10","8","10","3","8","8","1") = "9"
    & skf18("10","8","10","3","8","9","1") = "9"
    & skf18("10","8","10","3","8","10","1") = "9"
    & skf18("10","8","10","3","9","1","1") = "9"
    & skf18("10","8","10","3","9","2","1") = "9"
    & skf18("10","8","10","3","9","3","1") = "9"
    & skf18("10","8","10","3","9","4","1") = "9"
    & skf18("10","8","10","3","9","5","1") = "9"
    & skf18("10","8","10","3","9","6","1") = "9"
    & skf18("10","8","10","3","9","7","1") = "9"
    & skf18("10","8","10","3","9","8","1") = "9"
    & skf18("10","8","10","3","9","9","1") = "9"
    & skf18("10","8","10","3","9","10","1") = "9"
    & skf18("10","8","10","3","10","1","1") = "9"
    & skf18("10","8","10","3","10","2","1") = "9"
    & skf18("10","8","10","3","10","3","1") = "9"
    & skf18("10","8","10","3","10","4","1") = "9"
    & skf18("10","8","10","3","10","5","1") = "9"
    & skf18("10","8","10","3","10","6","1") = "9"
    & skf18("10","8","10","3","10","7","1") = "9"
    & skf18("10","8","10","3","10","8","1") = "9"
    & skf18("10","8","10","3","10","9","1") = "9"
    & skf18("10","8","10","3","10","10","1") = "9"
    & skf18("10","8","10","4","1","1","1") = "9"
    & skf18("10","8","10","4","1","2","1") = "9"
    & skf18("10","8","10","4","1","3","1") = "9"
    & skf18("10","8","10","4","1","4","1") = "9"
    & skf18("10","8","10","4","1","5","1") = "9"
    & skf18("10","8","10","4","1","6","1") = "9"
    & skf18("10","8","10","4","1","7","1") = "9"
    & skf18("10","8","10","4","1","8","1") = "9"
    & skf18("10","8","10","4","1","9","1") = "9"
    & skf18("10","8","10","4","1","10","1") = "9"
    & skf18("10","8","10","4","2","1","1") = "9"
    & skf18("10","8","10","4","2","2","1") = "9"
    & skf18("10","8","10","4","2","3","1") = "9"
    & skf18("10","8","10","4","2","4","1") = "9"
    & skf18("10","8","10","4","2","5","1") = "9"
    & skf18("10","8","10","4","2","6","1") = "9"
    & skf18("10","8","10","4","2","7","1") = "9"
    & skf18("10","8","10","4","2","8","1") = "9"
    & skf18("10","8","10","4","2","9","1") = "9"
    & skf18("10","8","10","4","2","10","1") = "9"
    & skf18("10","8","10","4","3","1","1") = "9"
    & skf18("10","8","10","4","3","2","1") = "9"
    & skf18("10","8","10","4","3","3","1") = "9"
    & skf18("10","8","10","4","3","4","1") = "9"
    & skf18("10","8","10","4","3","5","1") = "9"
    & skf18("10","8","10","4","3","6","1") = "9"
    & skf18("10","8","10","4","3","7","1") = "9"
    & skf18("10","8","10","4","3","8","1") = "9"
    & skf18("10","8","10","4","3","9","1") = "9"
    & skf18("10","8","10","4","3","10","1") = "9"
    & skf18("10","8","10","4","4","1","1") = "9"
    & skf18("10","8","10","4","4","2","1") = "9"
    & skf18("10","8","10","4","4","3","1") = "9"
    & skf18("10","8","10","4","4","4","1") = "9"
    & skf18("10","8","10","4","4","5","1") = "9"
    & skf18("10","8","10","4","4","6","1") = "9"
    & skf18("10","8","10","4","4","7","1") = "9"
    & skf18("10","8","10","4","4","8","1") = "9"
    & skf18("10","8","10","4","4","9","1") = "9"
    & skf18("10","8","10","4","4","10","1") = "9"
    & skf18("10","8","10","4","5","1","1") = "9"
    & skf18("10","8","10","4","5","2","1") = "9"
    & skf18("10","8","10","4","5","3","1") = "9"
    & skf18("10","8","10","4","5","4","1") = "9"
    & skf18("10","8","10","4","5","5","1") = "9"
    & skf18("10","8","10","4","5","6","1") = "9"
    & skf18("10","8","10","4","5","7","1") = "9"
    & skf18("10","8","10","4","5","8","1") = "9"
    & skf18("10","8","10","4","5","9","1") = "9"
    & skf18("10","8","10","4","5","10","1") = "9"
    & skf18("10","8","10","4","6","1","1") = "9"
    & skf18("10","8","10","4","6","2","1") = "9"
    & skf18("10","8","10","4","6","3","1") = "9"
    & skf18("10","8","10","4","6","4","1") = "9"
    & skf18("10","8","10","4","6","5","1") = "9"
    & skf18("10","8","10","4","6","6","1") = "9"
    & skf18("10","8","10","4","6","7","1") = "9"
    & skf18("10","8","10","4","6","8","1") = "9"
    & skf18("10","8","10","4","6","9","1") = "9"
    & skf18("10","8","10","4","6","10","1") = "9"
    & skf18("10","8","10","4","7","1","1") = "9"
    & skf18("10","8","10","4","7","2","1") = "9"
    & skf18("10","8","10","4","7","3","1") = "9"
    & skf18("10","8","10","4","7","4","1") = "9"
    & skf18("10","8","10","4","7","5","1") = "9"
    & skf18("10","8","10","4","7","6","1") = "9"
    & skf18("10","8","10","4","7","7","1") = "9"
    & skf18("10","8","10","4","7","8","1") = "9"
    & skf18("10","8","10","4","7","9","1") = "9"
    & skf18("10","8","10","4","7","10","1") = "9"
    & skf18("10","8","10","4","8","1","1") = "9"
    & skf18("10","8","10","4","8","2","1") = "9"
    & skf18("10","8","10","4","8","3","1") = "9"
    & skf18("10","8","10","4","8","4","1") = "9"
    & skf18("10","8","10","4","8","5","1") = "9"
    & skf18("10","8","10","4","8","6","1") = "9"
    & skf18("10","8","10","4","8","7","1") = "9"
    & skf18("10","8","10","4","8","8","1") = "9"
    & skf18("10","8","10","4","8","9","1") = "9"
    & skf18("10","8","10","4","8","10","1") = "9"
    & skf18("10","8","10","4","9","1","1") = "9"
    & skf18("10","8","10","4","9","2","1") = "9"
    & skf18("10","8","10","4","9","3","1") = "9"
    & skf18("10","8","10","4","9","4","1") = "9"
    & skf18("10","8","10","4","9","5","1") = "9"
    & skf18("10","8","10","4","9","6","1") = "9"
    & skf18("10","8","10","4","9","7","1") = "9"
    & skf18("10","8","10","4","9","8","1") = "9"
    & skf18("10","8","10","4","9","9","1") = "9"
    & skf18("10","8","10","4","9","10","1") = "9"
    & skf18("10","8","10","4","10","1","1") = "9"
    & skf18("10","8","10","4","10","2","1") = "9"
    & skf18("10","8","10","4","10","3","1") = "9"
    & skf18("10","8","10","4","10","4","1") = "9"
    & skf18("10","8","10","4","10","5","1") = "9"
    & skf18("10","8","10","4","10","6","1") = "9"
    & skf18("10","8","10","4","10","7","1") = "9"
    & skf18("10","8","10","4","10","8","1") = "9"
    & skf18("10","8","10","4","10","9","1") = "9"
    & skf18("10","8","10","4","10","10","1") = "9"
    & skf18("10","8","10","5","1","1","1") = "9"
    & skf18("10","8","10","5","1","2","1") = "9"
    & skf18("10","8","10","5","1","3","1") = "9"
    & skf18("10","8","10","5","1","4","1") = "9"
    & skf18("10","8","10","5","1","5","1") = "9"
    & skf18("10","8","10","5","1","6","1") = "9"
    & skf18("10","8","10","5","1","7","1") = "9"
    & skf18("10","8","10","5","1","8","1") = "9"
    & skf18("10","8","10","5","1","9","1") = "9"
    & skf18("10","8","10","5","1","10","1") = "9"
    & skf18("10","8","10","5","2","1","1") = "9"
    & skf18("10","8","10","5","2","2","1") = "9"
    & skf18("10","8","10","5","2","3","1") = "9"
    & skf18("10","8","10","5","2","4","1") = "9"
    & skf18("10","8","10","5","2","5","1") = "9"
    & skf18("10","8","10","5","2","6","1") = "9"
    & skf18("10","8","10","5","2","7","1") = "9"
    & skf18("10","8","10","5","2","8","1") = "9"
    & skf18("10","8","10","5","2","9","1") = "9"
    & skf18("10","8","10","5","2","10","1") = "9"
    & skf18("10","8","10","5","3","1","1") = "9"
    & skf18("10","8","10","5","3","2","1") = "9"
    & skf18("10","8","10","5","3","3","1") = "9"
    & skf18("10","8","10","5","3","4","1") = "9"
    & skf18("10","8","10","5","3","5","1") = "9"
    & skf18("10","8","10","5","3","6","1") = "9"
    & skf18("10","8","10","5","3","7","1") = "9"
    & skf18("10","8","10","5","3","8","1") = "9"
    & skf18("10","8","10","5","3","9","1") = "9"
    & skf18("10","8","10","5","3","10","1") = "9"
    & skf18("10","8","10","5","4","1","1") = "9"
    & skf18("10","8","10","5","4","2","1") = "9"
    & skf18("10","8","10","5","4","3","1") = "9"
    & skf18("10","8","10","5","4","4","1") = "9"
    & skf18("10","8","10","5","4","5","1") = "9"
    & skf18("10","8","10","5","4","6","1") = "9"
    & skf18("10","8","10","5","4","7","1") = "9"
    & skf18("10","8","10","5","4","8","1") = "9"
    & skf18("10","8","10","5","4","9","1") = "9"
    & skf18("10","8","10","5","4","10","1") = "9"
    & skf18("10","8","10","5","5","1","1") = "9"
    & skf18("10","8","10","5","5","2","1") = "9"
    & skf18("10","8","10","5","5","3","1") = "9"
    & skf18("10","8","10","5","5","4","1") = "9"
    & skf18("10","8","10","5","5","5","1") = "9"
    & skf18("10","8","10","5","5","6","1") = "9"
    & skf18("10","8","10","5","5","7","1") = "9"
    & skf18("10","8","10","5","5","8","1") = "9"
    & skf18("10","8","10","5","5","9","1") = "9"
    & skf18("10","8","10","5","5","10","1") = "9"
    & skf18("10","8","10","5","6","1","1") = "9"
    & skf18("10","8","10","5","6","2","1") = "9"
    & skf18("10","8","10","5","6","3","1") = "9"
    & skf18("10","8","10","5","6","4","1") = "9"
    & skf18("10","8","10","5","6","5","1") = "9"
    & skf18("10","8","10","5","6","6","1") = "9"
    & skf18("10","8","10","5","6","7","1") = "9"
    & skf18("10","8","10","5","6","8","1") = "9"
    & skf18("10","8","10","5","6","9","1") = "9"
    & skf18("10","8","10","5","6","10","1") = "9"
    & skf18("10","8","10","5","7","1","1") = "9"
    & skf18("10","8","10","5","7","2","1") = "9"
    & skf18("10","8","10","5","7","3","1") = "9"
    & skf18("10","8","10","5","7","4","1") = "9"
    & skf18("10","8","10","5","7","5","1") = "9"
    & skf18("10","8","10","5","7","6","1") = "9"
    & skf18("10","8","10","5","7","7","1") = "9"
    & skf18("10","8","10","5","7","8","1") = "9"
    & skf18("10","8","10","5","7","9","1") = "9"
    & skf18("10","8","10","5","7","10","1") = "9"
    & skf18("10","8","10","5","8","1","1") = "9"
    & skf18("10","8","10","5","8","2","1") = "9"
    & skf18("10","8","10","5","8","3","1") = "9"
    & skf18("10","8","10","5","8","4","1") = "9"
    & skf18("10","8","10","5","8","5","1") = "9"
    & skf18("10","8","10","5","8","6","1") = "9"
    & skf18("10","8","10","5","8","7","1") = "9"
    & skf18("10","8","10","5","8","8","1") = "9"
    & skf18("10","8","10","5","8","9","1") = "9"
    & skf18("10","8","10","5","8","10","1") = "9"
    & skf18("10","8","10","5","9","1","1") = "9"
    & skf18("10","8","10","5","9","2","1") = "9"
    & skf18("10","8","10","5","9","3","1") = "9"
    & skf18("10","8","10","5","9","4","1") = "9"
    & skf18("10","8","10","5","9","5","1") = "9"
    & skf18("10","8","10","5","9","6","1") = "9"
    & skf18("10","8","10","5","9","7","1") = "9"
    & skf18("10","8","10","5","9","8","1") = "9"
    & skf18("10","8","10","5","9","9","1") = "9"
    & skf18("10","8","10","5","9","10","1") = "9"
    & skf18("10","8","10","5","10","1","1") = "9"
    & skf18("10","8","10","5","10","2","1") = "9"
    & skf18("10","8","10","5","10","3","1") = "9"
    & skf18("10","8","10","5","10","4","1") = "9"
    & skf18("10","8","10","5","10","5","1") = "9"
    & skf18("10","8","10","5","10","6","1") = "9"
    & skf18("10","8","10","5","10","7","1") = "9"
    & skf18("10","8","10","5","10","8","1") = "9"
    & skf18("10","8","10","5","10","9","1") = "9"
    & skf18("10","8","10","5","10","10","1") = "9"
    & skf18("10","8","10","6","1","1","1") = "9"
    & skf18("10","8","10","6","1","2","1") = "9"
    & skf18("10","8","10","6","1","3","1") = "9"
    & skf18("10","8","10","6","1","4","1") = "9"
    & skf18("10","8","10","6","1","5","1") = "9"
    & skf18("10","8","10","6","1","6","1") = "9"
    & skf18("10","8","10","6","1","7","1") = "9"
    & skf18("10","8","10","6","1","8","1") = "9"
    & skf18("10","8","10","6","1","9","1") = "9"
    & skf18("10","8","10","6","1","10","1") = "9"
    & skf18("10","8","10","6","2","1","1") = "9"
    & skf18("10","8","10","6","2","2","1") = "9"
    & skf18("10","8","10","6","2","3","1") = "9"
    & skf18("10","8","10","6","2","4","1") = "9"
    & skf18("10","8","10","6","2","5","1") = "9"
    & skf18("10","8","10","6","2","6","1") = "9"
    & skf18("10","8","10","6","2","7","1") = "9"
    & skf18("10","8","10","6","2","8","1") = "9"
    & skf18("10","8","10","6","2","9","1") = "9"
    & skf18("10","8","10","6","2","10","1") = "9"
    & skf18("10","8","10","6","3","1","1") = "9"
    & skf18("10","8","10","6","3","2","1") = "9"
    & skf18("10","8","10","6","3","3","1") = "9"
    & skf18("10","8","10","6","3","4","1") = "9"
    & skf18("10","8","10","6","3","5","1") = "9"
    & skf18("10","8","10","6","3","6","1") = "9"
    & skf18("10","8","10","6","3","7","1") = "9"
    & skf18("10","8","10","6","3","8","1") = "9"
    & skf18("10","8","10","6","3","9","1") = "9"
    & skf18("10","8","10","6","3","10","1") = "9"
    & skf18("10","8","10","6","4","1","1") = "9"
    & skf18("10","8","10","6","4","2","1") = "9"
    & skf18("10","8","10","6","4","3","1") = "9"
    & skf18("10","8","10","6","4","4","1") = "9"
    & skf18("10","8","10","6","4","5","1") = "9"
    & skf18("10","8","10","6","4","6","1") = "9"
    & skf18("10","8","10","6","4","7","1") = "9"
    & skf18("10","8","10","6","4","8","1") = "9"
    & skf18("10","8","10","6","4","9","1") = "9"
    & skf18("10","8","10","6","4","10","1") = "9"
    & skf18("10","8","10","6","5","1","1") = "9"
    & skf18("10","8","10","6","5","2","1") = "9"
    & skf18("10","8","10","6","5","3","1") = "9"
    & skf18("10","8","10","6","5","4","1") = "9"
    & skf18("10","8","10","6","5","5","1") = "9"
    & skf18("10","8","10","6","5","6","1") = "9"
    & skf18("10","8","10","6","5","7","1") = "9"
    & skf18("10","8","10","6","5","8","1") = "9"
    & skf18("10","8","10","6","5","9","1") = "9"
    & skf18("10","8","10","6","5","10","1") = "9"
    & skf18("10","8","10","6","6","1","1") = "9"
    & skf18("10","8","10","6","6","2","1") = "9"
    & skf18("10","8","10","6","6","3","1") = "9"
    & skf18("10","8","10","6","6","4","1") = "9"
    & skf18("10","8","10","6","6","5","1") = "9"
    & skf18("10","8","10","6","6","6","1") = "9"
    & skf18("10","8","10","6","6","7","1") = "9"
    & skf18("10","8","10","6","6","8","1") = "9"
    & skf18("10","8","10","6","6","9","1") = "9"
    & skf18("10","8","10","6","6","10","1") = "9"
    & skf18("10","8","10","6","7","1","1") = "9"
    & skf18("10","8","10","6","7","2","1") = "9"
    & skf18("10","8","10","6","7","3","1") = "9"
    & skf18("10","8","10","6","7","4","1") = "9"
    & skf18("10","8","10","6","7","5","1") = "9"
    & skf18("10","8","10","6","7","6","1") = "9"
    & skf18("10","8","10","6","7","7","1") = "9"
    & skf18("10","8","10","6","7","8","1") = "9"
    & skf18("10","8","10","6","7","9","1") = "9"
    & skf18("10","8","10","6","7","10","1") = "9"
    & skf18("10","8","10","6","8","1","1") = "9"
    & skf18("10","8","10","6","8","2","1") = "9"
    & skf18("10","8","10","6","8","3","1") = "9"
    & skf18("10","8","10","6","8","4","1") = "9"
    & skf18("10","8","10","6","8","5","1") = "9"
    & skf18("10","8","10","6","8","6","1") = "9"
    & skf18("10","8","10","6","8","7","1") = "9"
    & skf18("10","8","10","6","8","8","1") = "9"
    & skf18("10","8","10","6","8","9","1") = "9"
    & skf18("10","8","10","6","8","10","1") = "9"
    & skf18("10","8","10","6","9","1","1") = "9"
    & skf18("10","8","10","6","9","2","1") = "9"
    & skf18("10","8","10","6","9","3","1") = "9"
    & skf18("10","8","10","6","9","4","1") = "9"
    & skf18("10","8","10","6","9","5","1") = "9"
    & skf18("10","8","10","6","9","6","1") = "9"
    & skf18("10","8","10","6","9","7","1") = "9"
    & skf18("10","8","10","6","9","8","1") = "9"
    & skf18("10","8","10","6","9","9","1") = "9"
    & skf18("10","8","10","6","9","10","1") = "9"
    & skf18("10","8","10","6","10","1","1") = "9"
    & skf18("10","8","10","6","10","2","1") = "9"
    & skf18("10","8","10","6","10","3","1") = "9"
    & skf18("10","8","10","6","10","4","1") = "9"
    & skf18("10","8","10","6","10","5","1") = "9"
    & skf18("10","8","10","6","10","6","1") = "9"
    & skf18("10","8","10","6","10","7","1") = "9"
    & skf18("10","8","10","6","10","8","1") = "9"
    & skf18("10","8","10","6","10","9","1") = "9"
    & skf18("10","8","10","6","10","10","1") = "9"
    & skf18("10","8","10","7","1","1","1") = "9"
    & skf18("10","8","10","7","1","2","1") = "9"
    & skf18("10","8","10","7","1","3","1") = "9"
    & skf18("10","8","10","7","1","4","1") = "9"
    & skf18("10","8","10","7","1","5","1") = "9"
    & skf18("10","8","10","7","1","6","1") = "9"
    & skf18("10","8","10","7","1","7","1") = "9"
    & skf18("10","8","10","7","1","8","1") = "9"
    & skf18("10","8","10","7","1","9","1") = "9"
    & skf18("10","8","10","7","1","10","1") = "9"
    & skf18("10","8","10","7","2","1","1") = "9"
    & skf18("10","8","10","7","2","2","1") = "9"
    & skf18("10","8","10","7","2","3","1") = "9"
    & skf18("10","8","10","7","2","4","1") = "9"
    & skf18("10","8","10","7","2","5","1") = "9"
    & skf18("10","8","10","7","2","6","1") = "9"
    & skf18("10","8","10","7","2","7","1") = "9"
    & skf18("10","8","10","7","2","8","1") = "9"
    & skf18("10","8","10","7","2","9","1") = "9"
    & skf18("10","8","10","7","2","10","1") = "9"
    & skf18("10","8","10","7","3","1","1") = "9"
    & skf18("10","8","10","7","3","2","1") = "9"
    & skf18("10","8","10","7","3","3","1") = "9"
    & skf18("10","8","10","7","3","4","1") = "9"
    & skf18("10","8","10","7","3","5","1") = "9"
    & skf18("10","8","10","7","3","6","1") = "9"
    & skf18("10","8","10","7","3","7","1") = "9"
    & skf18("10","8","10","7","3","8","1") = "9"
    & skf18("10","8","10","7","3","9","1") = "9"
    & skf18("10","8","10","7","3","10","1") = "9"
    & skf18("10","8","10","7","4","1","1") = "9"
    & skf18("10","8","10","7","4","2","1") = "9"
    & skf18("10","8","10","7","4","3","1") = "9"
    & skf18("10","8","10","7","4","4","1") = "9"
    & skf18("10","8","10","7","4","5","1") = "9"
    & skf18("10","8","10","7","4","6","1") = "9"
    & skf18("10","8","10","7","4","7","1") = "9"
    & skf18("10","8","10","7","4","8","1") = "9"
    & skf18("10","8","10","7","4","9","1") = "9"
    & skf18("10","8","10","7","4","10","1") = "9"
    & skf18("10","8","10","7","5","1","1") = "9"
    & skf18("10","8","10","7","5","2","1") = "9"
    & skf18("10","8","10","7","5","3","1") = "9"
    & skf18("10","8","10","7","5","4","1") = "9"
    & skf18("10","8","10","7","5","5","1") = "9"
    & skf18("10","8","10","7","5","6","1") = "9"
    & skf18("10","8","10","7","5","7","1") = "9"
    & skf18("10","8","10","7","5","8","1") = "9"
    & skf18("10","8","10","7","5","9","1") = "9"
    & skf18("10","8","10","7","5","10","1") = "9"
    & skf18("10","8","10","7","6","1","1") = "9"
    & skf18("10","8","10","7","6","2","1") = "9"
    & skf18("10","8","10","7","6","3","1") = "9"
    & skf18("10","8","10","7","6","4","1") = "9"
    & skf18("10","8","10","7","6","5","1") = "9"
    & skf18("10","8","10","7","6","6","1") = "9"
    & skf18("10","8","10","7","6","7","1") = "9"
    & skf18("10","8","10","7","6","8","1") = "9"
    & skf18("10","8","10","7","6","9","1") = "9"
    & skf18("10","8","10","7","6","10","1") = "9"
    & skf18("10","8","10","7","7","1","1") = "9"
    & skf18("10","8","10","7","7","2","1") = "9"
    & skf18("10","8","10","7","7","3","1") = "9"
    & skf18("10","8","10","7","7","4","1") = "9"
    & skf18("10","8","10","7","7","5","1") = "9"
    & skf18("10","8","10","7","7","6","1") = "9"
    & skf18("10","8","10","7","7","7","1") = "9"
    & skf18("10","8","10","7","7","8","1") = "9"
    & skf18("10","8","10","7","7","9","1") = "9"
    & skf18("10","8","10","7","7","10","1") = "9"
    & skf18("10","8","10","7","8","1","1") = "9"
    & skf18("10","8","10","7","8","2","1") = "9"
    & skf18("10","8","10","7","8","3","1") = "9"
    & skf18("10","8","10","7","8","4","1") = "9"
    & skf18("10","8","10","7","8","5","1") = "9"
    & skf18("10","8","10","7","8","6","1") = "9"
    & skf18("10","8","10","7","8","7","1") = "9"
    & skf18("10","8","10","7","8","8","1") = "9"
    & skf18("10","8","10","7","8","9","1") = "9"
    & skf18("10","8","10","7","8","10","1") = "9"
    & skf18("10","8","10","7","9","1","1") = "9"
    & skf18("10","8","10","7","9","2","1") = "9"
    & skf18("10","8","10","7","9","3","1") = "9"
    & skf18("10","8","10","7","9","4","1") = "9"
    & skf18("10","8","10","7","9","5","1") = "9"
    & skf18("10","8","10","7","9","6","1") = "9"
    & skf18("10","8","10","7","9","7","1") = "9"
    & skf18("10","8","10","7","9","8","1") = "9"
    & skf18("10","8","10","7","9","9","1") = "9"
    & skf18("10","8","10","7","9","10","1") = "9"
    & skf18("10","8","10","7","10","1","1") = "9"
    & skf18("10","8","10","7","10","2","1") = "9"
    & skf18("10","8","10","7","10","3","1") = "9"
    & skf18("10","8","10","7","10","4","1") = "9"
    & skf18("10","8","10","7","10","5","1") = "9"
    & skf18("10","8","10","7","10","6","1") = "9"
    & skf18("10","8","10","7","10","7","1") = "9"
    & skf18("10","8","10","7","10","8","1") = "9"
    & skf18("10","8","10","7","10","9","1") = "9"
    & skf18("10","8","10","7","10","10","1") = "9"
    & skf18("10","8","10","8","1","1","1") = "9"
    & skf18("10","8","10","8","1","2","1") = "9"
    & skf18("10","8","10","8","1","3","1") = "9"
    & skf18("10","8","10","8","1","4","1") = "9"
    & skf18("10","8","10","8","1","5","1") = "9"
    & skf18("10","8","10","8","1","6","1") = "9"
    & skf18("10","8","10","8","1","7","1") = "9"
    & skf18("10","8","10","8","1","8","1") = "9"
    & skf18("10","8","10","8","1","9","1") = "9"
    & skf18("10","8","10","8","1","10","1") = "9"
    & skf18("10","8","10","8","2","1","1") = "9"
    & skf18("10","8","10","8","2","2","1") = "9"
    & skf18("10","8","10","8","2","3","1") = "9"
    & skf18("10","8","10","8","2","4","1") = "9"
    & skf18("10","8","10","8","2","5","1") = "9"
    & skf18("10","8","10","8","2","6","1") = "9"
    & skf18("10","8","10","8","2","7","1") = "9"
    & skf18("10","8","10","8","2","8","1") = "9"
    & skf18("10","8","10","8","2","9","1") = "9"
    & skf18("10","8","10","8","2","10","1") = "9"
    & skf18("10","8","10","8","3","1","1") = "9"
    & skf18("10","8","10","8","3","2","1") = "9"
    & skf18("10","8","10","8","3","3","1") = "9"
    & skf18("10","8","10","8","3","4","1") = "9"
    & skf18("10","8","10","8","3","5","1") = "9"
    & skf18("10","8","10","8","3","6","1") = "9"
    & skf18("10","8","10","8","3","7","1") = "9"
    & skf18("10","8","10","8","3","8","1") = "9"
    & skf18("10","8","10","8","3","9","1") = "9"
    & skf18("10","8","10","8","3","10","1") = "9"
    & skf18("10","8","10","8","4","1","1") = "9"
    & skf18("10","8","10","8","4","2","1") = "9"
    & skf18("10","8","10","8","4","3","1") = "9"
    & skf18("10","8","10","8","4","4","1") = "9"
    & skf18("10","8","10","8","4","5","1") = "9"
    & skf18("10","8","10","8","4","6","1") = "9"
    & skf18("10","8","10","8","4","7","1") = "9"
    & skf18("10","8","10","8","4","8","1") = "9"
    & skf18("10","8","10","8","4","9","1") = "9"
    & skf18("10","8","10","8","4","10","1") = "9"
    & skf18("10","8","10","8","5","1","1") = "9"
    & skf18("10","8","10","8","5","2","1") = "9"
    & skf18("10","8","10","8","5","3","1") = "9"
    & skf18("10","8","10","8","5","4","1") = "9"
    & skf18("10","8","10","8","5","5","1") = "9"
    & skf18("10","8","10","8","5","6","1") = "9"
    & skf18("10","8","10","8","5","7","1") = "9"
    & skf18("10","8","10","8","5","8","1") = "9"
    & skf18("10","8","10","8","5","9","1") = "9"
    & skf18("10","8","10","8","5","10","1") = "9"
    & skf18("10","8","10","8","6","1","1") = "9"
    & skf18("10","8","10","8","6","2","1") = "9"
    & skf18("10","8","10","8","6","3","1") = "9"
    & skf18("10","8","10","8","6","4","1") = "9"
    & skf18("10","8","10","8","6","5","1") = "9"
    & skf18("10","8","10","8","6","6","1") = "9"
    & skf18("10","8","10","8","6","7","1") = "9"
    & skf18("10","8","10","8","6","8","1") = "9"
    & skf18("10","8","10","8","6","9","1") = "9"
    & skf18("10","8","10","8","6","10","1") = "9"
    & skf18("10","8","10","8","7","1","1") = "9"
    & skf18("10","8","10","8","7","2","1") = "9"
    & skf18("10","8","10","8","7","3","1") = "9"
    & skf18("10","8","10","8","7","4","1") = "9"
    & skf18("10","8","10","8","7","5","1") = "9"
    & skf18("10","8","10","8","7","6","1") = "9"
    & skf18("10","8","10","8","7","7","1") = "9"
    & skf18("10","8","10","8","7","8","1") = "9"
    & skf18("10","8","10","8","7","9","1") = "9"
    & skf18("10","8","10","8","7","10","1") = "9"
    & skf18("10","8","10","8","8","1","1") = "9"
    & skf18("10","8","10","8","8","2","1") = "9"
    & skf18("10","8","10","8","8","3","1") = "9"
    & skf18("10","8","10","8","8","4","1") = "9"
    & skf18("10","8","10","8","8","5","1") = "9"
    & skf18("10","8","10","8","8","6","1") = "9"
    & skf18("10","8","10","8","8","7","1") = "9"
    & skf18("10","8","10","8","8","8","1") = "9"
    & skf18("10","8","10","8","8","9","1") = "9"
    & skf18("10","8","10","8","8","10","1") = "9"
    & skf18("10","8","10","8","9","1","1") = "9"
    & skf18("10","8","10","8","9","2","1") = "9"
    & skf18("10","8","10","8","9","3","1") = "9"
    & skf18("10","8","10","8","9","4","1") = "9"
    & skf18("10","8","10","8","9","5","1") = "9"
    & skf18("10","8","10","8","9","6","1") = "9"
    & skf18("10","8","10","8","9","7","1") = "9"
    & skf18("10","8","10","8","9","8","1") = "9"
    & skf18("10","8","10","8","9","9","1") = "9"
    & skf18("10","8","10","8","9","10","1") = "9"
    & skf18("10","8","10","8","10","1","1") = "9"
    & skf18("10","8","10","8","10","2","1") = "9"
    & skf18("10","8","10","8","10","3","1") = "9"
    & skf18("10","8","10","8","10","4","1") = "9"
    & skf18("10","8","10","8","10","5","1") = "9"
    & skf18("10","8","10","8","10","6","1") = "9"
    & skf18("10","8","10","8","10","7","1") = "9"
    & skf18("10","8","10","8","10","8","1") = "9"
    & skf18("10","8","10","8","10","9","1") = "9"
    & skf18("10","8","10","8","10","10","1") = "9"
    & skf18("10","8","10","9","1","1","1") = "9"
    & skf18("10","8","10","9","1","2","1") = "9"
    & skf18("10","8","10","9","1","3","1") = "9"
    & skf18("10","8","10","9","1","4","1") = "9"
    & skf18("10","8","10","9","1","5","1") = "9"
    & skf18("10","8","10","9","1","6","1") = "9"
    & skf18("10","8","10","9","1","7","1") = "9"
    & skf18("10","8","10","9","1","8","1") = "9"
    & skf18("10","8","10","9","1","9","1") = "9"
    & skf18("10","8","10","9","1","10","1") = "9"
    & skf18("10","8","10","9","2","1","1") = "9"
    & skf18("10","8","10","9","2","2","1") = "9"
    & skf18("10","8","10","9","2","3","1") = "9"
    & skf18("10","8","10","9","2","4","1") = "9"
    & skf18("10","8","10","9","2","5","1") = "9"
    & skf18("10","8","10","9","2","6","1") = "9"
    & skf18("10","8","10","9","2","7","1") = "9"
    & skf18("10","8","10","9","2","8","1") = "9"
    & skf18("10","8","10","9","2","9","1") = "9"
    & skf18("10","8","10","9","2","10","1") = "9"
    & skf18("10","8","10","9","3","1","1") = "9"
    & skf18("10","8","10","9","3","2","1") = "9"
    & skf18("10","8","10","9","3","3","1") = "9"
    & skf18("10","8","10","9","3","4","1") = "9"
    & skf18("10","8","10","9","3","5","1") = "9"
    & skf18("10","8","10","9","3","6","1") = "9"
    & skf18("10","8","10","9","3","7","1") = "9"
    & skf18("10","8","10","9","3","8","1") = "9"
    & skf18("10","8","10","9","3","9","1") = "9"
    & skf18("10","8","10","9","3","10","1") = "9"
    & skf18("10","8","10","9","4","1","1") = "9"
    & skf18("10","8","10","9","4","2","1") = "9"
    & skf18("10","8","10","9","4","3","1") = "9"
    & skf18("10","8","10","9","4","4","1") = "9"
    & skf18("10","8","10","9","4","5","1") = "9"
    & skf18("10","8","10","9","4","6","1") = "9"
    & skf18("10","8","10","9","4","7","1") = "9"
    & skf18("10","8","10","9","4","8","1") = "9"
    & skf18("10","8","10","9","4","9","1") = "9"
    & skf18("10","8","10","9","4","10","1") = "9"
    & skf18("10","8","10","9","5","1","1") = "9"
    & skf18("10","8","10","9","5","2","1") = "9"
    & skf18("10","8","10","9","5","3","1") = "9"
    & skf18("10","8","10","9","5","4","1") = "9"
    & skf18("10","8","10","9","5","5","1") = "9"
    & skf18("10","8","10","9","5","6","1") = "9"
    & skf18("10","8","10","9","5","7","1") = "9"
    & skf18("10","8","10","9","5","8","1") = "9"
    & skf18("10","8","10","9","5","9","1") = "9"
    & skf18("10","8","10","9","5","10","1") = "9"
    & skf18("10","8","10","9","6","1","1") = "9"
    & skf18("10","8","10","9","6","2","1") = "9"
    & skf18("10","8","10","9","6","3","1") = "9"
    & skf18("10","8","10","9","6","4","1") = "9"
    & skf18("10","8","10","9","6","5","1") = "9"
    & skf18("10","8","10","9","6","6","1") = "9"
    & skf18("10","8","10","9","6","7","1") = "9"
    & skf18("10","8","10","9","6","8","1") = "9"
    & skf18("10","8","10","9","6","9","1") = "9"
    & skf18("10","8","10","9","6","10","1") = "9"
    & skf18("10","8","10","9","7","1","1") = "9"
    & skf18("10","8","10","9","7","2","1") = "9"
    & skf18("10","8","10","9","7","3","1") = "9"
    & skf18("10","8","10","9","7","4","1") = "9"
    & skf18("10","8","10","9","7","5","1") = "9"
    & skf18("10","8","10","9","7","6","1") = "9"
    & skf18("10","8","10","9","7","7","1") = "9"
    & skf18("10","8","10","9","7","8","1") = "9"
    & skf18("10","8","10","9","7","9","1") = "9"
    & skf18("10","8","10","9","7","10","1") = "9"
    & skf18("10","8","10","9","8","1","1") = "9"
    & skf18("10","8","10","9","8","2","1") = "9"
    & skf18("10","8","10","9","8","3","1") = "9"
    & skf18("10","8","10","9","8","4","1") = "9"
    & skf18("10","8","10","9","8","5","1") = "9"
    & skf18("10","8","10","9","8","6","1") = "9"
    & skf18("10","8","10","9","8","7","1") = "9"
    & skf18("10","8","10","9","8","8","1") = "9"
    & skf18("10","8","10","9","8","9","1") = "9"
    & skf18("10","8","10","9","8","10","1") = "9"
    & skf18("10","8","10","9","9","1","1") = "9"
    & skf18("10","8","10","9","9","2","1") = "9"
    & skf18("10","8","10","9","9","3","1") = "9"
    & skf18("10","8","10","9","9","4","1") = "9"
    & skf18("10","8","10","9","9","5","1") = "9"
    & skf18("10","8","10","9","9","6","1") = "9"
    & skf18("10","8","10","9","9","7","1") = "9"
    & skf18("10","8","10","9","9","8","1") = "9"
    & skf18("10","8","10","9","9","9","1") = "9"
    & skf18("10","8","10","9","9","10","1") = "9"
    & skf18("10","8","10","9","10","1","1") = "9"
    & skf18("10","8","10","9","10","2","1") = "9"
    & skf18("10","8","10","9","10","3","1") = "9"
    & skf18("10","8","10","9","10","4","1") = "9"
    & skf18("10","8","10","9","10","5","1") = "9"
    & skf18("10","8","10","9","10","6","1") = "9"
    & skf18("10","8","10","9","10","7","1") = "9"
    & skf18("10","8","10","9","10","8","1") = "9"
    & skf18("10","8","10","9","10","9","1") = "9"
    & skf18("10","8","10","9","10","10","1") = "9"
    & skf18("10","8","10","10","1","1","1") = "9"
    & skf18("10","8","10","10","1","2","1") = "9"
    & skf18("10","8","10","10","1","3","1") = "9"
    & skf18("10","8","10","10","1","4","1") = "9"
    & skf18("10","8","10","10","1","5","1") = "9"
    & skf18("10","8","10","10","1","6","1") = "9"
    & skf18("10","8","10","10","1","7","1") = "9"
    & skf18("10","8","10","10","1","8","1") = "9"
    & skf18("10","8","10","10","1","9","1") = "9"
    & skf18("10","8","10","10","1","10","1") = "9"
    & skf18("10","8","10","10","2","1","1") = "9"
    & skf18("10","8","10","10","2","2","1") = "9"
    & skf18("10","8","10","10","2","3","1") = "9"
    & skf18("10","8","10","10","2","4","1") = "9"
    & skf18("10","8","10","10","2","5","1") = "9"
    & skf18("10","8","10","10","2","6","1") = "9"
    & skf18("10","8","10","10","2","7","1") = "9"
    & skf18("10","8","10","10","2","8","1") = "9"
    & skf18("10","8","10","10","2","9","1") = "9"
    & skf18("10","8","10","10","2","10","1") = "9"
    & skf18("10","8","10","10","3","1","1") = "9"
    & skf18("10","8","10","10","3","2","1") = "9"
    & skf18("10","8","10","10","3","3","1") = "9"
    & skf18("10","8","10","10","3","4","1") = "9"
    & skf18("10","8","10","10","3","5","1") = "9"
    & skf18("10","8","10","10","3","6","1") = "9"
    & skf18("10","8","10","10","3","7","1") = "9"
    & skf18("10","8","10","10","3","8","1") = "9"
    & skf18("10","8","10","10","3","9","1") = "9"
    & skf18("10","8","10","10","3","10","1") = "9"
    & skf18("10","8","10","10","4","1","1") = "9"
    & skf18("10","8","10","10","4","2","1") = "9"
    & skf18("10","8","10","10","4","3","1") = "9"
    & skf18("10","8","10","10","4","4","1") = "9"
    & skf18("10","8","10","10","4","5","1") = "9"
    & skf18("10","8","10","10","4","6","1") = "9"
    & skf18("10","8","10","10","4","7","1") = "9"
    & skf18("10","8","10","10","4","8","1") = "9"
    & skf18("10","8","10","10","4","9","1") = "9"
    & skf18("10","8","10","10","4","10","1") = "9"
    & skf18("10","8","10","10","5","1","1") = "9"
    & skf18("10","8","10","10","5","2","1") = "9"
    & skf18("10","8","10","10","5","3","1") = "9"
    & skf18("10","8","10","10","5","4","1") = "9"
    & skf18("10","8","10","10","5","5","1") = "9"
    & skf18("10","8","10","10","5","6","1") = "9"
    & skf18("10","8","10","10","5","7","1") = "9"
    & skf18("10","8","10","10","5","8","1") = "9"
    & skf18("10","8","10","10","5","9","1") = "9"
    & skf18("10","8","10","10","5","10","1") = "9"
    & skf18("10","8","10","10","6","1","1") = "9"
    & skf18("10","8","10","10","6","2","1") = "9"
    & skf18("10","8","10","10","6","3","1") = "9"
    & skf18("10","8","10","10","6","4","1") = "9"
    & skf18("10","8","10","10","6","5","1") = "9"
    & skf18("10","8","10","10","6","6","1") = "9"
    & skf18("10","8","10","10","6","7","1") = "9"
    & skf18("10","8","10","10","6","8","1") = "9"
    & skf18("10","8","10","10","6","9","1") = "9"
    & skf18("10","8","10","10","6","10","1") = "9"
    & skf18("10","8","10","10","7","1","1") = "9"
    & skf18("10","8","10","10","7","2","1") = "9"
    & skf18("10","8","10","10","7","3","1") = "9"
    & skf18("10","8","10","10","7","4","1") = "9"
    & skf18("10","8","10","10","7","5","1") = "9"
    & skf18("10","8","10","10","7","6","1") = "9"
    & skf18("10","8","10","10","7","7","1") = "9"
    & skf18("10","8","10","10","7","8","1") = "9"
    & skf18("10","8","10","10","7","9","1") = "9"
    & skf18("10","8","10","10","7","10","1") = "9"
    & skf18("10","8","10","10","8","1","1") = "9"
    & skf18("10","8","10","10","8","2","1") = "9"
    & skf18("10","8","10","10","8","3","1") = "9"
    & skf18("10","8","10","10","8","4","1") = "9"
    & skf18("10","8","10","10","8","5","1") = "9"
    & skf18("10","8","10","10","8","6","1") = "9"
    & skf18("10","8","10","10","8","7","1") = "9"
    & skf18("10","8","10","10","8","8","1") = "9"
    & skf18("10","8","10","10","8","9","1") = "9"
    & skf18("10","8","10","10","8","10","1") = "9"
    & skf18("10","8","10","10","9","1","1") = "9"
    & skf18("10","8","10","10","9","2","1") = "9"
    & skf18("10","8","10","10","9","3","1") = "9"
    & skf18("10","8","10","10","9","4","1") = "9"
    & skf18("10","8","10","10","9","5","1") = "9"
    & skf18("10","8","10","10","9","6","1") = "9"
    & skf18("10","8","10","10","9","7","1") = "9"
    & skf18("10","8","10","10","9","8","1") = "9"
    & skf18("10","8","10","10","9","9","1") = "9"
    & skf18("10","8","10","10","9","10","1") = "9"
    & skf18("10","8","10","10","10","1","1") = "9"
    & skf18("10","8","10","10","10","2","1") = "9"
    & skf18("10","8","10","10","10","3","1") = "9"
    & skf18("10","8","10","10","10","4","1") = "9"
    & skf18("10","8","10","10","10","5","1") = "9"
    & skf18("10","8","10","10","10","6","1") = "9"
    & skf18("10","8","10","10","10","7","1") = "9"
    & skf18("10","8","10","10","10","8","1") = "9"
    & skf18("10","8","10","10","10","9","1") = "9"
    & skf18("10","8","10","10","10","10","1") = "9"
    & skf18("10","9","1","1","1","1","1") = "9"
    & skf18("10","9","1","1","1","2","1") = "9"
    & skf18("10","9","1","1","1","3","1") = "9"
    & skf18("10","9","1","1","1","4","1") = "9"
    & skf18("10","9","1","1","1","5","1") = "9"
    & skf18("10","9","1","1","1","6","1") = "9"
    & skf18("10","9","1","1","1","7","1") = "9"
    & skf18("10","9","1","1","1","8","1") = "9"
    & skf18("10","9","1","1","1","9","1") = "9"
    & skf18("10","9","1","1","1","10","1") = "9"
    & skf18("10","9","1","1","2","1","1") = "9"
    & skf18("10","9","1","1","2","2","1") = "9"
    & skf18("10","9","1","1","2","3","1") = "9"
    & skf18("10","9","1","1","2","4","1") = "9"
    & skf18("10","9","1","1","2","5","1") = "9"
    & skf18("10","9","1","1","2","6","1") = "9"
    & skf18("10","9","1","1","2","7","1") = "9"
    & skf18("10","9","1","1","2","8","1") = "9"
    & skf18("10","9","1","1","2","9","1") = "9"
    & skf18("10","9","1","1","2","10","1") = "9"
    & skf18("10","9","1","1","3","1","1") = "9"
    & skf18("10","9","1","1","3","2","1") = "9"
    & skf18("10","9","1","1","3","3","1") = "9"
    & skf18("10","9","1","1","3","4","1") = "9"
    & skf18("10","9","1","1","3","5","1") = "9"
    & skf18("10","9","1","1","3","6","1") = "9"
    & skf18("10","9","1","1","3","7","1") = "9"
    & skf18("10","9","1","1","3","8","1") = "9"
    & skf18("10","9","1","1","3","9","1") = "9"
    & skf18("10","9","1","1","3","10","1") = "9"
    & skf18("10","9","1","1","4","1","1") = "9"
    & skf18("10","9","1","1","4","2","1") = "9"
    & skf18("10","9","1","1","4","3","1") = "9"
    & skf18("10","9","1","1","4","4","1") = "9"
    & skf18("10","9","1","1","4","5","1") = "9"
    & skf18("10","9","1","1","4","6","1") = "9"
    & skf18("10","9","1","1","4","7","1") = "9"
    & skf18("10","9","1","1","4","8","1") = "9"
    & skf18("10","9","1","1","4","9","1") = "9"
    & skf18("10","9","1","1","4","10","1") = "9"
    & skf18("10","9","1","1","5","1","1") = "9"
    & skf18("10","9","1","1","5","2","1") = "9"
    & skf18("10","9","1","1","5","3","1") = "9"
    & skf18("10","9","1","1","5","4","1") = "9"
    & skf18("10","9","1","1","5","5","1") = "9"
    & skf18("10","9","1","1","5","6","1") = "9"
    & skf18("10","9","1","1","5","7","1") = "9"
    & skf18("10","9","1","1","5","8","1") = "9"
    & skf18("10","9","1","1","5","9","1") = "9"
    & skf18("10","9","1","1","5","10","1") = "9"
    & skf18("10","9","1","1","6","1","1") = "9"
    & skf18("10","9","1","1","6","2","1") = "9"
    & skf18("10","9","1","1","6","3","1") = "9"
    & skf18("10","9","1","1","6","4","1") = "9"
    & skf18("10","9","1","1","6","5","1") = "9"
    & skf18("10","9","1","1","6","6","1") = "9"
    & skf18("10","9","1","1","6","7","1") = "9"
    & skf18("10","9","1","1","6","8","1") = "9"
    & skf18("10","9","1","1","6","9","1") = "9"
    & skf18("10","9","1","1","6","10","1") = "9"
    & skf18("10","9","1","1","7","1","1") = "9"
    & skf18("10","9","1","1","7","2","1") = "9"
    & skf18("10","9","1","1","7","3","1") = "9"
    & skf18("10","9","1","1","7","4","1") = "9"
    & skf18("10","9","1","1","7","5","1") = "9"
    & skf18("10","9","1","1","7","6","1") = "9"
    & skf18("10","9","1","1","7","7","1") = "9"
    & skf18("10","9","1","1","7","8","1") = "9"
    & skf18("10","9","1","1","7","9","1") = "9"
    & skf18("10","9","1","1","7","10","1") = "9"
    & skf18("10","9","1","1","8","1","1") = "9"
    & skf18("10","9","1","1","8","2","1") = "9"
    & skf18("10","9","1","1","8","3","1") = "9"
    & skf18("10","9","1","1","8","4","1") = "9"
    & skf18("10","9","1","1","8","5","1") = "9"
    & skf18("10","9","1","1","8","6","1") = "9"
    & skf18("10","9","1","1","8","7","1") = "9"
    & skf18("10","9","1","1","8","8","1") = "9"
    & skf18("10","9","1","1","8","9","1") = "9"
    & skf18("10","9","1","1","8","10","1") = "9"
    & skf18("10","9","1","1","9","1","1") = "9"
    & skf18("10","9","1","1","9","2","1") = "9"
    & skf18("10","9","1","1","9","3","1") = "9"
    & skf18("10","9","1","1","9","4","1") = "9"
    & skf18("10","9","1","1","9","5","1") = "9"
    & skf18("10","9","1","1","9","6","1") = "9"
    & skf18("10","9","1","1","9","7","1") = "9"
    & skf18("10","9","1","1","9","8","1") = "9"
    & skf18("10","9","1","1","9","9","1") = "9"
    & skf18("10","9","1","1","9","10","1") = "9"
    & skf18("10","9","1","1","10","1","1") = "9"
    & skf18("10","9","1","1","10","2","1") = "9"
    & skf18("10","9","1","1","10","3","1") = "9"
    & skf18("10","9","1","1","10","4","1") = "9"
    & skf18("10","9","1","1","10","5","1") = "9"
    & skf18("10","9","1","1","10","6","1") = "9"
    & skf18("10","9","1","1","10","7","1") = "9"
    & skf18("10","9","1","1","10","8","1") = "9"
    & skf18("10","9","1","1","10","9","1") = "9"
    & skf18("10","9","1","1","10","10","1") = "9"
    & skf18("10","9","1","2","1","1","1") = "9"
    & skf18("10","9","1","2","1","2","1") = "9"
    & skf18("10","9","1","2","1","3","1") = "9"
    & skf18("10","9","1","2","1","4","1") = "9"
    & skf18("10","9","1","2","1","5","1") = "9"
    & skf18("10","9","1","2","1","6","1") = "9"
    & skf18("10","9","1","2","1","7","1") = "9"
    & skf18("10","9","1","2","1","8","1") = "9"
    & skf18("10","9","1","2","1","9","1") = "9"
    & skf18("10","9","1","2","1","10","1") = "9"
    & skf18("10","9","1","2","2","1","1") = "9"
    & skf18("10","9","1","2","2","2","1") = "9"
    & skf18("10","9","1","2","2","3","1") = "9"
    & skf18("10","9","1","2","2","4","1") = "9"
    & skf18("10","9","1","2","2","5","1") = "9"
    & skf18("10","9","1","2","2","6","1") = "9"
    & skf18("10","9","1","2","2","7","1") = "9"
    & skf18("10","9","1","2","2","8","1") = "9"
    & skf18("10","9","1","2","2","9","1") = "9"
    & skf18("10","9","1","2","2","10","1") = "9"
    & skf18("10","9","1","2","3","1","1") = "9"
    & skf18("10","9","1","2","3","2","1") = "9"
    & skf18("10","9","1","2","3","3","1") = "9"
    & skf18("10","9","1","2","3","4","1") = "9"
    & skf18("10","9","1","2","3","5","1") = "9"
    & skf18("10","9","1","2","3","6","1") = "9"
    & skf18("10","9","1","2","3","7","1") = "9"
    & skf18("10","9","1","2","3","8","1") = "9"
    & skf18("10","9","1","2","3","9","1") = "9"
    & skf18("10","9","1","2","3","10","1") = "9"
    & skf18("10","9","1","2","4","1","1") = "9"
    & skf18("10","9","1","2","4","2","1") = "9"
    & skf18("10","9","1","2","4","3","1") = "9"
    & skf18("10","9","1","2","4","4","1") = "9"
    & skf18("10","9","1","2","4","5","1") = "9"
    & skf18("10","9","1","2","4","6","1") = "9"
    & skf18("10","9","1","2","4","7","1") = "9"
    & skf18("10","9","1","2","4","8","1") = "9"
    & skf18("10","9","1","2","4","9","1") = "9"
    & skf18("10","9","1","2","4","10","1") = "9"
    & skf18("10","9","1","2","5","1","1") = "9"
    & skf18("10","9","1","2","5","2","1") = "9"
    & skf18("10","9","1","2","5","3","1") = "9"
    & skf18("10","9","1","2","5","4","1") = "9"
    & skf18("10","9","1","2","5","5","1") = "9"
    & skf18("10","9","1","2","5","6","1") = "9"
    & skf18("10","9","1","2","5","7","1") = "9"
    & skf18("10","9","1","2","5","8","1") = "9"
    & skf18("10","9","1","2","5","9","1") = "9"
    & skf18("10","9","1","2","5","10","1") = "9"
    & skf18("10","9","1","2","6","1","1") = "9"
    & skf18("10","9","1","2","6","2","1") = "9"
    & skf18("10","9","1","2","6","3","1") = "9"
    & skf18("10","9","1","2","6","4","1") = "9"
    & skf18("10","9","1","2","6","5","1") = "9"
    & skf18("10","9","1","2","6","6","1") = "9"
    & skf18("10","9","1","2","6","7","1") = "9"
    & skf18("10","9","1","2","6","8","1") = "9"
    & skf18("10","9","1","2","6","9","1") = "9"
    & skf18("10","9","1","2","6","10","1") = "9"
    & skf18("10","9","1","2","7","1","1") = "9"
    & skf18("10","9","1","2","7","2","1") = "9"
    & skf18("10","9","1","2","7","3","1") = "9"
    & skf18("10","9","1","2","7","4","1") = "9"
    & skf18("10","9","1","2","7","5","1") = "9"
    & skf18("10","9","1","2","7","6","1") = "9"
    & skf18("10","9","1","2","7","7","1") = "9"
    & skf18("10","9","1","2","7","8","1") = "9"
    & skf18("10","9","1","2","7","9","1") = "9"
    & skf18("10","9","1","2","7","10","1") = "9"
    & skf18("10","9","1","2","8","1","1") = "9"
    & skf18("10","9","1","2","8","2","1") = "9"
    & skf18("10","9","1","2","8","3","1") = "9"
    & skf18("10","9","1","2","8","4","1") = "9"
    & skf18("10","9","1","2","8","5","1") = "9"
    & skf18("10","9","1","2","8","6","1") = "9"
    & skf18("10","9","1","2","8","7","1") = "9"
    & skf18("10","9","1","2","8","8","1") = "9"
    & skf18("10","9","1","2","8","9","1") = "9"
    & skf18("10","9","1","2","8","10","1") = "9"
    & skf18("10","9","1","2","9","1","1") = "9"
    & skf18("10","9","1","2","9","2","1") = "9"
    & skf18("10","9","1","2","9","3","1") = "9"
    & skf18("10","9","1","2","9","4","1") = "9"
    & skf18("10","9","1","2","9","5","1") = "9"
    & skf18("10","9","1","2","9","6","1") = "9"
    & skf18("10","9","1","2","9","7","1") = "9"
    & skf18("10","9","1","2","9","8","1") = "9"
    & skf18("10","9","1","2","9","9","1") = "9"
    & skf18("10","9","1","2","9","10","1") = "9"
    & skf18("10","9","1","2","10","1","1") = "9"
    & skf18("10","9","1","2","10","2","1") = "9"
    & skf18("10","9","1","2","10","3","1") = "9"
    & skf18("10","9","1","2","10","4","1") = "9"
    & skf18("10","9","1","2","10","5","1") = "9"
    & skf18("10","9","1","2","10","6","1") = "9"
    & skf18("10","9","1","2","10","7","1") = "9"
    & skf18("10","9","1","2","10","8","1") = "9"
    & skf18("10","9","1","2","10","9","1") = "9"
    & skf18("10","9","1","2","10","10","1") = "9"
    & skf18("10","9","1","3","1","1","1") = "9"
    & skf18("10","9","1","3","1","2","1") = "9"
    & skf18("10","9","1","3","1","3","1") = "9"
    & skf18("10","9","1","3","1","4","1") = "9"
    & skf18("10","9","1","3","1","5","1") = "9"
    & skf18("10","9","1","3","1","6","1") = "9"
    & skf18("10","9","1","3","1","7","1") = "9"
    & skf18("10","9","1","3","1","8","1") = "9"
    & skf18("10","9","1","3","1","9","1") = "9"
    & skf18("10","9","1","3","1","10","1") = "9"
    & skf18("10","9","1","3","2","1","1") = "9"
    & skf18("10","9","1","3","2","2","1") = "9"
    & skf18("10","9","1","3","2","3","1") = "9"
    & skf18("10","9","1","3","2","4","1") = "9"
    & skf18("10","9","1","3","2","5","1") = "9"
    & skf18("10","9","1","3","2","6","1") = "9"
    & skf18("10","9","1","3","2","7","1") = "9"
    & skf18("10","9","1","3","2","8","1") = "9"
    & skf18("10","9","1","3","2","9","1") = "9"
    & skf18("10","9","1","3","2","10","1") = "9"
    & skf18("10","9","1","3","3","1","1") = "9"
    & skf18("10","9","1","3","3","2","1") = "9"
    & skf18("10","9","1","3","3","3","1") = "9"
    & skf18("10","9","1","3","3","4","1") = "9"
    & skf18("10","9","1","3","3","5","1") = "9"
    & skf18("10","9","1","3","3","6","1") = "9"
    & skf18("10","9","1","3","3","7","1") = "9"
    & skf18("10","9","1","3","3","8","1") = "9"
    & skf18("10","9","1","3","3","9","1") = "9"
    & skf18("10","9","1","3","3","10","1") = "9"
    & skf18("10","9","1","3","4","1","1") = "9"
    & skf18("10","9","1","3","4","2","1") = "9"
    & skf18("10","9","1","3","4","3","1") = "9"
    & skf18("10","9","1","3","4","4","1") = "9"
    & skf18("10","9","1","3","4","5","1") = "9"
    & skf18("10","9","1","3","4","6","1") = "9"
    & skf18("10","9","1","3","4","7","1") = "9"
    & skf18("10","9","1","3","4","8","1") = "9"
    & skf18("10","9","1","3","4","9","1") = "9"
    & skf18("10","9","1","3","4","10","1") = "9"
    & skf18("10","9","1","3","5","1","1") = "9"
    & skf18("10","9","1","3","5","2","1") = "9"
    & skf18("10","9","1","3","5","3","1") = "9"
    & skf18("10","9","1","3","5","4","1") = "9"
    & skf18("10","9","1","3","5","5","1") = "9"
    & skf18("10","9","1","3","5","6","1") = "9"
    & skf18("10","9","1","3","5","7","1") = "9"
    & skf18("10","9","1","3","5","8","1") = "9"
    & skf18("10","9","1","3","5","9","1") = "9"
    & skf18("10","9","1","3","5","10","1") = "9"
    & skf18("10","9","1","3","6","1","1") = "9"
    & skf18("10","9","1","3","6","2","1") = "9"
    & skf18("10","9","1","3","6","3","1") = "9"
    & skf18("10","9","1","3","6","4","1") = "9"
    & skf18("10","9","1","3","6","5","1") = "9"
    & skf18("10","9","1","3","6","6","1") = "9"
    & skf18("10","9","1","3","6","7","1") = "9"
    & skf18("10","9","1","3","6","8","1") = "9"
    & skf18("10","9","1","3","6","9","1") = "9"
    & skf18("10","9","1","3","6","10","1") = "9"
    & skf18("10","9","1","3","7","1","1") = "9"
    & skf18("10","9","1","3","7","2","1") = "9"
    & skf18("10","9","1","3","7","3","1") = "9"
    & skf18("10","9","1","3","7","4","1") = "9"
    & skf18("10","9","1","3","7","5","1") = "9"
    & skf18("10","9","1","3","7","6","1") = "9"
    & skf18("10","9","1","3","7","7","1") = "9"
    & skf18("10","9","1","3","7","8","1") = "9"
    & skf18("10","9","1","3","7","9","1") = "9"
    & skf18("10","9","1","3","7","10","1") = "9"
    & skf18("10","9","1","3","8","1","1") = "9"
    & skf18("10","9","1","3","8","2","1") = "9"
    & skf18("10","9","1","3","8","3","1") = "9"
    & skf18("10","9","1","3","8","4","1") = "9"
    & skf18("10","9","1","3","8","5","1") = "9"
    & skf18("10","9","1","3","8","6","1") = "9"
    & skf18("10","9","1","3","8","7","1") = "9"
    & skf18("10","9","1","3","8","8","1") = "9"
    & skf18("10","9","1","3","8","9","1") = "9"
    & skf18("10","9","1","3","8","10","1") = "9"
    & skf18("10","9","1","3","9","1","1") = "9"
    & skf18("10","9","1","3","9","2","1") = "9"
    & skf18("10","9","1","3","9","3","1") = "9"
    & skf18("10","9","1","3","9","4","1") = "9"
    & skf18("10","9","1","3","9","5","1") = "9"
    & skf18("10","9","1","3","9","6","1") = "9"
    & skf18("10","9","1","3","9","7","1") = "9"
    & skf18("10","9","1","3","9","8","1") = "9"
    & skf18("10","9","1","3","9","9","1") = "9"
    & skf18("10","9","1","3","9","10","1") = "9"
    & skf18("10","9","1","3","10","1","1") = "9"
    & skf18("10","9","1","3","10","2","1") = "9"
    & skf18("10","9","1","3","10","3","1") = "9"
    & skf18("10","9","1","3","10","4","1") = "9"
    & skf18("10","9","1","3","10","5","1") = "9"
    & skf18("10","9","1","3","10","6","1") = "9"
    & skf18("10","9","1","3","10","7","1") = "9"
    & skf18("10","9","1","3","10","8","1") = "9"
    & skf18("10","9","1","3","10","9","1") = "9"
    & skf18("10","9","1","3","10","10","1") = "9"
    & skf18("10","9","1","4","1","1","1") = "9"
    & skf18("10","9","1","4","1","2","1") = "9"
    & skf18("10","9","1","4","1","3","1") = "9"
    & skf18("10","9","1","4","1","4","1") = "9"
    & skf18("10","9","1","4","1","5","1") = "9"
    & skf18("10","9","1","4","1","6","1") = "9"
    & skf18("10","9","1","4","1","7","1") = "9"
    & skf18("10","9","1","4","1","8","1") = "9"
    & skf18("10","9","1","4","1","9","1") = "9"
    & skf18("10","9","1","4","1","10","1") = "9"
    & skf18("10","9","1","4","2","1","1") = "9"
    & skf18("10","9","1","4","2","2","1") = "9"
    & skf18("10","9","1","4","2","3","1") = "9"
    & skf18("10","9","1","4","2","4","1") = "9"
    & skf18("10","9","1","4","2","5","1") = "9"
    & skf18("10","9","1","4","2","6","1") = "9"
    & skf18("10","9","1","4","2","7","1") = "9"
    & skf18("10","9","1","4","2","8","1") = "9"
    & skf18("10","9","1","4","2","9","1") = "9"
    & skf18("10","9","1","4","2","10","1") = "9"
    & skf18("10","9","1","4","3","1","1") = "9"
    & skf18("10","9","1","4","3","2","1") = "9"
    & skf18("10","9","1","4","3","3","1") = "9"
    & skf18("10","9","1","4","3","4","1") = "9"
    & skf18("10","9","1","4","3","5","1") = "9"
    & skf18("10","9","1","4","3","6","1") = "9"
    & skf18("10","9","1","4","3","7","1") = "9"
    & skf18("10","9","1","4","3","8","1") = "9"
    & skf18("10","9","1","4","3","9","1") = "9"
    & skf18("10","9","1","4","3","10","1") = "9"
    & skf18("10","9","1","4","4","1","1") = "9"
    & skf18("10","9","1","4","4","2","1") = "9"
    & skf18("10","9","1","4","4","3","1") = "9"
    & skf18("10","9","1","4","4","4","1") = "9"
    & skf18("10","9","1","4","4","5","1") = "9"
    & skf18("10","9","1","4","4","6","1") = "9"
    & skf18("10","9","1","4","4","7","1") = "9"
    & skf18("10","9","1","4","4","8","1") = "9"
    & skf18("10","9","1","4","4","9","1") = "9"
    & skf18("10","9","1","4","4","10","1") = "9"
    & skf18("10","9","1","4","5","1","1") = "9"
    & skf18("10","9","1","4","5","2","1") = "9"
    & skf18("10","9","1","4","5","3","1") = "9"
    & skf18("10","9","1","4","5","4","1") = "9"
    & skf18("10","9","1","4","5","5","1") = "9"
    & skf18("10","9","1","4","5","6","1") = "9"
    & skf18("10","9","1","4","5","7","1") = "9"
    & skf18("10","9","1","4","5","8","1") = "9"
    & skf18("10","9","1","4","5","9","1") = "9"
    & skf18("10","9","1","4","5","10","1") = "9"
    & skf18("10","9","1","4","6","1","1") = "9"
    & skf18("10","9","1","4","6","2","1") = "9"
    & skf18("10","9","1","4","6","3","1") = "9"
    & skf18("10","9","1","4","6","4","1") = "9"
    & skf18("10","9","1","4","6","5","1") = "9"
    & skf18("10","9","1","4","6","6","1") = "9"
    & skf18("10","9","1","4","6","7","1") = "9"
    & skf18("10","9","1","4","6","8","1") = "9"
    & skf18("10","9","1","4","6","9","1") = "9"
    & skf18("10","9","1","4","6","10","1") = "9"
    & skf18("10","9","1","4","7","1","1") = "9"
    & skf18("10","9","1","4","7","2","1") = "9"
    & skf18("10","9","1","4","7","3","1") = "9"
    & skf18("10","9","1","4","7","4","1") = "9"
    & skf18("10","9","1","4","7","5","1") = "9"
    & skf18("10","9","1","4","7","6","1") = "9"
    & skf18("10","9","1","4","7","7","1") = "9"
    & skf18("10","9","1","4","7","8","1") = "9"
    & skf18("10","9","1","4","7","9","1") = "9"
    & skf18("10","9","1","4","7","10","1") = "9"
    & skf18("10","9","1","4","8","1","1") = "9"
    & skf18("10","9","1","4","8","2","1") = "9"
    & skf18("10","9","1","4","8","3","1") = "9"
    & skf18("10","9","1","4","8","4","1") = "9"
    & skf18("10","9","1","4","8","5","1") = "9"
    & skf18("10","9","1","4","8","6","1") = "9"
    & skf18("10","9","1","4","8","7","1") = "9"
    & skf18("10","9","1","4","8","8","1") = "9"
    & skf18("10","9","1","4","8","9","1") = "9"
    & skf18("10","9","1","4","8","10","1") = "9"
    & skf18("10","9","1","4","9","1","1") = "9"
    & skf18("10","9","1","4","9","2","1") = "9"
    & skf18("10","9","1","4","9","3","1") = "9"
    & skf18("10","9","1","4","9","4","1") = "9"
    & skf18("10","9","1","4","9","5","1") = "9"
    & skf18("10","9","1","4","9","6","1") = "9"
    & skf18("10","9","1","4","9","7","1") = "9"
    & skf18("10","9","1","4","9","8","1") = "9"
    & skf18("10","9","1","4","9","9","1") = "9"
    & skf18("10","9","1","4","9","10","1") = "9"
    & skf18("10","9","1","4","10","1","1") = "9"
    & skf18("10","9","1","4","10","2","1") = "9"
    & skf18("10","9","1","4","10","3","1") = "9"
    & skf18("10","9","1","4","10","4","1") = "9"
    & skf18("10","9","1","4","10","5","1") = "9"
    & skf18("10","9","1","4","10","6","1") = "9"
    & skf18("10","9","1","4","10","7","1") = "9"
    & skf18("10","9","1","4","10","8","1") = "9"
    & skf18("10","9","1","4","10","9","1") = "9"
    & skf18("10","9","1","4","10","10","1") = "9"
    & skf18("10","9","1","5","1","1","1") = "9"
    & skf18("10","9","1","5","1","2","1") = "9"
    & skf18("10","9","1","5","1","3","1") = "9"
    & skf18("10","9","1","5","1","4","1") = "9"
    & skf18("10","9","1","5","1","5","1") = "9"
    & skf18("10","9","1","5","1","6","1") = "9"
    & skf18("10","9","1","5","1","7","1") = "9"
    & skf18("10","9","1","5","1","8","1") = "9"
    & skf18("10","9","1","5","1","9","1") = "9"
    & skf18("10","9","1","5","1","10","1") = "9"
    & skf18("10","9","1","5","2","1","1") = "9"
    & skf18("10","9","1","5","2","2","1") = "9"
    & skf18("10","9","1","5","2","3","1") = "9"
    & skf18("10","9","1","5","2","4","1") = "9"
    & skf18("10","9","1","5","2","5","1") = "9"
    & skf18("10","9","1","5","2","6","1") = "9"
    & skf18("10","9","1","5","2","7","1") = "9"
    & skf18("10","9","1","5","2","8","1") = "9"
    & skf18("10","9","1","5","2","9","1") = "9"
    & skf18("10","9","1","5","2","10","1") = "9"
    & skf18("10","9","1","5","3","1","1") = "9"
    & skf18("10","9","1","5","3","2","1") = "9"
    & skf18("10","9","1","5","3","3","1") = "9"
    & skf18("10","9","1","5","3","4","1") = "9"
    & skf18("10","9","1","5","3","5","1") = "9"
    & skf18("10","9","1","5","3","6","1") = "9"
    & skf18("10","9","1","5","3","7","1") = "9"
    & skf18("10","9","1","5","3","8","1") = "9"
    & skf18("10","9","1","5","3","9","1") = "9"
    & skf18("10","9","1","5","3","10","1") = "9"
    & skf18("10","9","1","5","4","1","1") = "9"
    & skf18("10","9","1","5","4","2","1") = "9"
    & skf18("10","9","1","5","4","3","1") = "9"
    & skf18("10","9","1","5","4","4","1") = "9"
    & skf18("10","9","1","5","4","5","1") = "9"
    & skf18("10","9","1","5","4","6","1") = "9"
    & skf18("10","9","1","5","4","7","1") = "9"
    & skf18("10","9","1","5","4","8","1") = "9"
    & skf18("10","9","1","5","4","9","1") = "9"
    & skf18("10","9","1","5","4","10","1") = "9"
    & skf18("10","9","1","5","5","1","1") = "9"
    & skf18("10","9","1","5","5","2","1") = "9"
    & skf18("10","9","1","5","5","3","1") = "9"
    & skf18("10","9","1","5","5","4","1") = "9"
    & skf18("10","9","1","5","5","5","1") = "9"
    & skf18("10","9","1","5","5","6","1") = "9"
    & skf18("10","9","1","5","5","7","1") = "9"
    & skf18("10","9","1","5","5","8","1") = "9"
    & skf18("10","9","1","5","5","9","1") = "9"
    & skf18("10","9","1","5","5","10","1") = "9"
    & skf18("10","9","1","5","6","1","1") = "9"
    & skf18("10","9","1","5","6","2","1") = "9"
    & skf18("10","9","1","5","6","3","1") = "9"
    & skf18("10","9","1","5","6","4","1") = "9"
    & skf18("10","9","1","5","6","5","1") = "9"
    & skf18("10","9","1","5","6","6","1") = "9"
    & skf18("10","9","1","5","6","7","1") = "9"
    & skf18("10","9","1","5","6","8","1") = "9"
    & skf18("10","9","1","5","6","9","1") = "9"
    & skf18("10","9","1","5","6","10","1") = "9"
    & skf18("10","9","1","5","7","1","1") = "9"
    & skf18("10","9","1","5","7","2","1") = "9"
    & skf18("10","9","1","5","7","3","1") = "9"
    & skf18("10","9","1","5","7","4","1") = "9"
    & skf18("10","9","1","5","7","5","1") = "9"
    & skf18("10","9","1","5","7","6","1") = "9"
    & skf18("10","9","1","5","7","7","1") = "9"
    & skf18("10","9","1","5","7","8","1") = "9"
    & skf18("10","9","1","5","7","9","1") = "9"
    & skf18("10","9","1","5","7","10","1") = "9"
    & skf18("10","9","1","5","8","1","1") = "9"
    & skf18("10","9","1","5","8","2","1") = "9"
    & skf18("10","9","1","5","8","3","1") = "9"
    & skf18("10","9","1","5","8","4","1") = "9"
    & skf18("10","9","1","5","8","5","1") = "9"
    & skf18("10","9","1","5","8","6","1") = "9"
    & skf18("10","9","1","5","8","7","1") = "9"
    & skf18("10","9","1","5","8","8","1") = "9"
    & skf18("10","9","1","5","8","9","1") = "9"
    & skf18("10","9","1","5","8","10","1") = "9"
    & skf18("10","9","1","5","9","1","1") = "9"
    & skf18("10","9","1","5","9","2","1") = "9"
    & skf18("10","9","1","5","9","3","1") = "9"
    & skf18("10","9","1","5","9","4","1") = "9"
    & skf18("10","9","1","5","9","5","1") = "9"
    & skf18("10","9","1","5","9","6","1") = "9"
    & skf18("10","9","1","5","9","7","1") = "9"
    & skf18("10","9","1","5","9","8","1") = "9"
    & skf18("10","9","1","5","9","9","1") = "9"
    & skf18("10","9","1","5","9","10","1") = "9"
    & skf18("10","9","1","5","10","1","1") = "9"
    & skf18("10","9","1","5","10","2","1") = "9"
    & skf18("10","9","1","5","10","3","1") = "9"
    & skf18("10","9","1","5","10","4","1") = "9"
    & skf18("10","9","1","5","10","5","1") = "9"
    & skf18("10","9","1","5","10","6","1") = "9"
    & skf18("10","9","1","5","10","7","1") = "9"
    & skf18("10","9","1","5","10","8","1") = "9"
    & skf18("10","9","1","5","10","9","1") = "9"
    & skf18("10","9","1","5","10","10","1") = "9"
    & skf18("10","9","1","6","1","1","1") = "9"
    & skf18("10","9","1","6","1","2","1") = "9"
    & skf18("10","9","1","6","1","3","1") = "9"
    & skf18("10","9","1","6","1","4","1") = "9"
    & skf18("10","9","1","6","1","5","1") = "9"
    & skf18("10","9","1","6","1","6","1") = "9"
    & skf18("10","9","1","6","1","7","1") = "9"
    & skf18("10","9","1","6","1","8","1") = "9"
    & skf18("10","9","1","6","1","9","1") = "9"
    & skf18("10","9","1","6","1","10","1") = "9"
    & skf18("10","9","1","6","2","1","1") = "9"
    & skf18("10","9","1","6","2","2","1") = "9"
    & skf18("10","9","1","6","2","3","1") = "9"
    & skf18("10","9","1","6","2","4","1") = "9"
    & skf18("10","9","1","6","2","5","1") = "9"
    & skf18("10","9","1","6","2","6","1") = "9"
    & skf18("10","9","1","6","2","7","1") = "9"
    & skf18("10","9","1","6","2","8","1") = "9"
    & skf18("10","9","1","6","2","9","1") = "9"
    & skf18("10","9","1","6","2","10","1") = "9"
    & skf18("10","9","1","6","3","1","1") = "9"
    & skf18("10","9","1","6","3","2","1") = "9"
    & skf18("10","9","1","6","3","3","1") = "9"
    & skf18("10","9","1","6","3","4","1") = "9"
    & skf18("10","9","1","6","3","5","1") = "9"
    & skf18("10","9","1","6","3","6","1") = "9"
    & skf18("10","9","1","6","3","7","1") = "9"
    & skf18("10","9","1","6","3","8","1") = "9"
    & skf18("10","9","1","6","3","9","1") = "9"
    & skf18("10","9","1","6","3","10","1") = "9"
    & skf18("10","9","1","6","4","1","1") = "9"
    & skf18("10","9","1","6","4","2","1") = "9"
    & skf18("10","9","1","6","4","3","1") = "9"
    & skf18("10","9","1","6","4","4","1") = "9"
    & skf18("10","9","1","6","4","5","1") = "9"
    & skf18("10","9","1","6","4","6","1") = "9"
    & skf18("10","9","1","6","4","7","1") = "9"
    & skf18("10","9","1","6","4","8","1") = "9"
    & skf18("10","9","1","6","4","9","1") = "9"
    & skf18("10","9","1","6","4","10","1") = "9"
    & skf18("10","9","1","6","5","1","1") = "9"
    & skf18("10","9","1","6","5","2","1") = "9"
    & skf18("10","9","1","6","5","3","1") = "9"
    & skf18("10","9","1","6","5","4","1") = "9"
    & skf18("10","9","1","6","5","5","1") = "9"
    & skf18("10","9","1","6","5","6","1") = "9"
    & skf18("10","9","1","6","5","7","1") = "9"
    & skf18("10","9","1","6","5","8","1") = "9"
    & skf18("10","9","1","6","5","9","1") = "9"
    & skf18("10","9","1","6","5","10","1") = "9"
    & skf18("10","9","1","6","6","1","1") = "9"
    & skf18("10","9","1","6","6","2","1") = "9"
    & skf18("10","9","1","6","6","3","1") = "9"
    & skf18("10","9","1","6","6","4","1") = "9"
    & skf18("10","9","1","6","6","5","1") = "9"
    & skf18("10","9","1","6","6","6","1") = "9"
    & skf18("10","9","1","6","6","7","1") = "9"
    & skf18("10","9","1","6","6","8","1") = "9"
    & skf18("10","9","1","6","6","9","1") = "9"
    & skf18("10","9","1","6","6","10","1") = "9"
    & skf18("10","9","1","6","7","1","1") = "9"
    & skf18("10","9","1","6","7","2","1") = "9"
    & skf18("10","9","1","6","7","3","1") = "9"
    & skf18("10","9","1","6","7","4","1") = "9"
    & skf18("10","9","1","6","7","5","1") = "9"
    & skf18("10","9","1","6","7","6","1") = "9"
    & skf18("10","9","1","6","7","7","1") = "9"
    & skf18("10","9","1","6","7","8","1") = "9"
    & skf18("10","9","1","6","7","9","1") = "9"
    & skf18("10","9","1","6","7","10","1") = "9"
    & skf18("10","9","1","6","8","1","1") = "9"
    & skf18("10","9","1","6","8","2","1") = "9"
    & skf18("10","9","1","6","8","3","1") = "9"
    & skf18("10","9","1","6","8","4","1") = "9"
    & skf18("10","9","1","6","8","5","1") = "9"
    & skf18("10","9","1","6","8","6","1") = "9"
    & skf18("10","9","1","6","8","7","1") = "9"
    & skf18("10","9","1","6","8","8","1") = "9"
    & skf18("10","9","1","6","8","9","1") = "9"
    & skf18("10","9","1","6","8","10","1") = "9"
    & skf18("10","9","1","6","9","1","1") = "9"
    & skf18("10","9","1","6","9","2","1") = "9"
    & skf18("10","9","1","6","9","3","1") = "9"
    & skf18("10","9","1","6","9","4","1") = "9"
    & skf18("10","9","1","6","9","5","1") = "9"
    & skf18("10","9","1","6","9","6","1") = "9"
    & skf18("10","9","1","6","9","7","1") = "9"
    & skf18("10","9","1","6","9","8","1") = "9"
    & skf18("10","9","1","6","9","9","1") = "9"
    & skf18("10","9","1","6","9","10","1") = "9"
    & skf18("10","9","1","6","10","1","1") = "9"
    & skf18("10","9","1","6","10","2","1") = "9"
    & skf18("10","9","1","6","10","3","1") = "9"
    & skf18("10","9","1","6","10","4","1") = "9"
    & skf18("10","9","1","6","10","5","1") = "9"
    & skf18("10","9","1","6","10","6","1") = "9"
    & skf18("10","9","1","6","10","7","1") = "9"
    & skf18("10","9","1","6","10","8","1") = "9"
    & skf18("10","9","1","6","10","9","1") = "9"
    & skf18("10","9","1","6","10","10","1") = "9"
    & skf18("10","9","1","7","1","1","1") = "9"
    & skf18("10","9","1","7","1","2","1") = "9"
    & skf18("10","9","1","7","1","3","1") = "9"
    & skf18("10","9","1","7","1","4","1") = "9"
    & skf18("10","9","1","7","1","5","1") = "9"
    & skf18("10","9","1","7","1","6","1") = "9"
    & skf18("10","9","1","7","1","7","1") = "9"
    & skf18("10","9","1","7","1","8","1") = "9"
    & skf18("10","9","1","7","1","9","1") = "9"
    & skf18("10","9","1","7","1","10","1") = "9"
    & skf18("10","9","1","7","2","1","1") = "9"
    & skf18("10","9","1","7","2","2","1") = "9"
    & skf18("10","9","1","7","2","3","1") = "9"
    & skf18("10","9","1","7","2","4","1") = "9"
    & skf18("10","9","1","7","2","5","1") = "9"
    & skf18("10","9","1","7","2","6","1") = "9"
    & skf18("10","9","1","7","2","7","1") = "9"
    & skf18("10","9","1","7","2","8","1") = "9"
    & skf18("10","9","1","7","2","9","1") = "9"
    & skf18("10","9","1","7","2","10","1") = "9"
    & skf18("10","9","1","7","3","1","1") = "9"
    & skf18("10","9","1","7","3","2","1") = "9"
    & skf18("10","9","1","7","3","3","1") = "9"
    & skf18("10","9","1","7","3","4","1") = "9"
    & skf18("10","9","1","7","3","5","1") = "9"
    & skf18("10","9","1","7","3","6","1") = "9"
    & skf18("10","9","1","7","3","7","1") = "9"
    & skf18("10","9","1","7","3","8","1") = "9"
    & skf18("10","9","1","7","3","9","1") = "9"
    & skf18("10","9","1","7","3","10","1") = "9"
    & skf18("10","9","1","7","4","1","1") = "9"
    & skf18("10","9","1","7","4","2","1") = "9"
    & skf18("10","9","1","7","4","3","1") = "9"
    & skf18("10","9","1","7","4","4","1") = "9"
    & skf18("10","9","1","7","4","5","1") = "9"
    & skf18("10","9","1","7","4","6","1") = "9"
    & skf18("10","9","1","7","4","7","1") = "9"
    & skf18("10","9","1","7","4","8","1") = "9"
    & skf18("10","9","1","7","4","9","1") = "9"
    & skf18("10","9","1","7","4","10","1") = "9"
    & skf18("10","9","1","7","5","1","1") = "9"
    & skf18("10","9","1","7","5","2","1") = "9"
    & skf18("10","9","1","7","5","3","1") = "9"
    & skf18("10","9","1","7","5","4","1") = "9"
    & skf18("10","9","1","7","5","5","1") = "9"
    & skf18("10","9","1","7","5","6","1") = "9"
    & skf18("10","9","1","7","5","7","1") = "9"
    & skf18("10","9","1","7","5","8","1") = "9"
    & skf18("10","9","1","7","5","9","1") = "9"
    & skf18("10","9","1","7","5","10","1") = "9"
    & skf18("10","9","1","7","6","1","1") = "9"
    & skf18("10","9","1","7","6","2","1") = "9"
    & skf18("10","9","1","7","6","3","1") = "9"
    & skf18("10","9","1","7","6","4","1") = "9"
    & skf18("10","9","1","7","6","5","1") = "9"
    & skf18("10","9","1","7","6","6","1") = "9"
    & skf18("10","9","1","7","6","7","1") = "9"
    & skf18("10","9","1","7","6","8","1") = "9"
    & skf18("10","9","1","7","6","9","1") = "9"
    & skf18("10","9","1","7","6","10","1") = "9"
    & skf18("10","9","1","7","7","1","1") = "9"
    & skf18("10","9","1","7","7","2","1") = "9"
    & skf18("10","9","1","7","7","3","1") = "9"
    & skf18("10","9","1","7","7","4","1") = "9"
    & skf18("10","9","1","7","7","5","1") = "9"
    & skf18("10","9","1","7","7","6","1") = "9"
    & skf18("10","9","1","7","7","7","1") = "9"
    & skf18("10","9","1","7","7","8","1") = "9"
    & skf18("10","9","1","7","7","9","1") = "9"
    & skf18("10","9","1","7","7","10","1") = "9"
    & skf18("10","9","1","7","8","1","1") = "9"
    & skf18("10","9","1","7","8","2","1") = "9"
    & skf18("10","9","1","7","8","3","1") = "9"
    & skf18("10","9","1","7","8","4","1") = "9"
    & skf18("10","9","1","7","8","5","1") = "9"
    & skf18("10","9","1","7","8","6","1") = "9"
    & skf18("10","9","1","7","8","7","1") = "9"
    & skf18("10","9","1","7","8","8","1") = "9"
    & skf18("10","9","1","7","8","9","1") = "9"
    & skf18("10","9","1","7","8","10","1") = "9"
    & skf18("10","9","1","7","9","1","1") = "9"
    & skf18("10","9","1","7","9","2","1") = "9"
    & skf18("10","9","1","7","9","3","1") = "9"
    & skf18("10","9","1","7","9","4","1") = "9"
    & skf18("10","9","1","7","9","5","1") = "9"
    & skf18("10","9","1","7","9","6","1") = "9"
    & skf18("10","9","1","7","9","7","1") = "9"
    & skf18("10","9","1","7","9","8","1") = "9"
    & skf18("10","9","1","7","9","9","1") = "9"
    & skf18("10","9","1","7","9","10","1") = "9"
    & skf18("10","9","1","7","10","1","1") = "9"
    & skf18("10","9","1","7","10","2","1") = "9"
    & skf18("10","9","1","7","10","3","1") = "9"
    & skf18("10","9","1","7","10","4","1") = "9"
    & skf18("10","9","1","7","10","5","1") = "9"
    & skf18("10","9","1","7","10","6","1") = "9"
    & skf18("10","9","1","7","10","7","1") = "9"
    & skf18("10","9","1","7","10","8","1") = "9"
    & skf18("10","9","1","7","10","9","1") = "9"
    & skf18("10","9","1","7","10","10","1") = "9"
    & skf18("10","9","1","8","1","1","1") = "9"
    & skf18("10","9","1","8","1","2","1") = "9"
    & skf18("10","9","1","8","1","3","1") = "9"
    & skf18("10","9","1","8","1","4","1") = "9"
    & skf18("10","9","1","8","1","5","1") = "9"
    & skf18("10","9","1","8","1","6","1") = "9"
    & skf18("10","9","1","8","1","7","1") = "9"
    & skf18("10","9","1","8","1","8","1") = "9"
    & skf18("10","9","1","8","1","9","1") = "9"
    & skf18("10","9","1","8","1","10","1") = "9"
    & skf18("10","9","1","8","2","1","1") = "9"
    & skf18("10","9","1","8","2","2","1") = "9"
    & skf18("10","9","1","8","2","3","1") = "9"
    & skf18("10","9","1","8","2","4","1") = "9"
    & skf18("10","9","1","8","2","5","1") = "9"
    & skf18("10","9","1","8","2","6","1") = "9"
    & skf18("10","9","1","8","2","7","1") = "9"
    & skf18("10","9","1","8","2","8","1") = "9"
    & skf18("10","9","1","8","2","9","1") = "9"
    & skf18("10","9","1","8","2","10","1") = "9"
    & skf18("10","9","1","8","3","1","1") = "9"
    & skf18("10","9","1","8","3","2","1") = "9"
    & skf18("10","9","1","8","3","3","1") = "9"
    & skf18("10","9","1","8","3","4","1") = "9"
    & skf18("10","9","1","8","3","5","1") = "9"
    & skf18("10","9","1","8","3","6","1") = "9"
    & skf18("10","9","1","8","3","7","1") = "9"
    & skf18("10","9","1","8","3","8","1") = "9"
    & skf18("10","9","1","8","3","9","1") = "9"
    & skf18("10","9","1","8","3","10","1") = "9"
    & skf18("10","9","1","8","4","1","1") = "9"
    & skf18("10","9","1","8","4","2","1") = "9"
    & skf18("10","9","1","8","4","3","1") = "9"
    & skf18("10","9","1","8","4","4","1") = "9"
    & skf18("10","9","1","8","4","5","1") = "9"
    & skf18("10","9","1","8","4","6","1") = "9"
    & skf18("10","9","1","8","4","7","1") = "9"
    & skf18("10","9","1","8","4","8","1") = "9"
    & skf18("10","9","1","8","4","9","1") = "9"
    & skf18("10","9","1","8","4","10","1") = "9"
    & skf18("10","9","1","8","5","1","1") = "9"
    & skf18("10","9","1","8","5","2","1") = "9"
    & skf18("10","9","1","8","5","3","1") = "9"
    & skf18("10","9","1","8","5","4","1") = "9"
    & skf18("10","9","1","8","5","5","1") = "9"
    & skf18("10","9","1","8","5","6","1") = "9"
    & skf18("10","9","1","8","5","7","1") = "9"
    & skf18("10","9","1","8","5","8","1") = "9"
    & skf18("10","9","1","8","5","9","1") = "9"
    & skf18("10","9","1","8","5","10","1") = "9"
    & skf18("10","9","1","8","6","1","1") = "9"
    & skf18("10","9","1","8","6","2","1") = "9"
    & skf18("10","9","1","8","6","3","1") = "9"
    & skf18("10","9","1","8","6","4","1") = "9"
    & skf18("10","9","1","8","6","5","1") = "9"
    & skf18("10","9","1","8","6","6","1") = "9"
    & skf18("10","9","1","8","6","7","1") = "9"
    & skf18("10","9","1","8","6","8","1") = "9"
    & skf18("10","9","1","8","6","9","1") = "9"
    & skf18("10","9","1","8","6","10","1") = "9"
    & skf18("10","9","1","8","7","1","1") = "9"
    & skf18("10","9","1","8","7","2","1") = "9"
    & skf18("10","9","1","8","7","3","1") = "9"
    & skf18("10","9","1","8","7","4","1") = "9"
    & skf18("10","9","1","8","7","5","1") = "9"
    & skf18("10","9","1","8","7","6","1") = "9"
    & skf18("10","9","1","8","7","7","1") = "9"
    & skf18("10","9","1","8","7","8","1") = "9"
    & skf18("10","9","1","8","7","9","1") = "9"
    & skf18("10","9","1","8","7","10","1") = "9"
    & skf18("10","9","1","8","8","1","1") = "9"
    & skf18("10","9","1","8","8","2","1") = "9"
    & skf18("10","9","1","8","8","3","1") = "9"
    & skf18("10","9","1","8","8","4","1") = "9"
    & skf18("10","9","1","8","8","5","1") = "9"
    & skf18("10","9","1","8","8","6","1") = "9"
    & skf18("10","9","1","8","8","7","1") = "9"
    & skf18("10","9","1","8","8","8","1") = "9"
    & skf18("10","9","1","8","8","9","1") = "9"
    & skf18("10","9","1","8","8","10","1") = "9"
    & skf18("10","9","1","8","9","1","1") = "9"
    & skf18("10","9","1","8","9","2","1") = "9"
    & skf18("10","9","1","8","9","3","1") = "9"
    & skf18("10","9","1","8","9","4","1") = "9"
    & skf18("10","9","1","8","9","5","1") = "9"
    & skf18("10","9","1","8","9","6","1") = "9"
    & skf18("10","9","1","8","9","7","1") = "9"
    & skf18("10","9","1","8","9","8","1") = "9"
    & skf18("10","9","1","8","9","9","1") = "9"
    & skf18("10","9","1","8","9","10","1") = "9"
    & skf18("10","9","1","8","10","1","1") = "9"
    & skf18("10","9","1","8","10","2","1") = "9"
    & skf18("10","9","1","8","10","3","1") = "9"
    & skf18("10","9","1","8","10","4","1") = "9"
    & skf18("10","9","1","8","10","5","1") = "9"
    & skf18("10","9","1","8","10","6","1") = "9"
    & skf18("10","9","1","8","10","7","1") = "9"
    & skf18("10","9","1","8","10","8","1") = "9"
    & skf18("10","9","1","8","10","9","1") = "9"
    & skf18("10","9","1","8","10","10","1") = "9"
    & skf18("10","9","1","9","1","1","1") = "9"
    & skf18("10","9","1","9","1","2","1") = "9"
    & skf18("10","9","1","9","1","3","1") = "9"
    & skf18("10","9","1","9","1","4","1") = "9"
    & skf18("10","9","1","9","1","5","1") = "9"
    & skf18("10","9","1","9","1","6","1") = "9"
    & skf18("10","9","1","9","1","7","1") = "9"
    & skf18("10","9","1","9","1","8","1") = "9"
    & skf18("10","9","1","9","1","9","1") = "9"
    & skf18("10","9","1","9","1","10","1") = "9"
    & skf18("10","9","1","9","2","1","1") = "9"
    & skf18("10","9","1","9","2","2","1") = "9"
    & skf18("10","9","1","9","2","3","1") = "9"
    & skf18("10","9","1","9","2","4","1") = "9"
    & skf18("10","9","1","9","2","5","1") = "9"
    & skf18("10","9","1","9","2","6","1") = "9"
    & skf18("10","9","1","9","2","7","1") = "9"
    & skf18("10","9","1","9","2","8","1") = "9"
    & skf18("10","9","1","9","2","9","1") = "9"
    & skf18("10","9","1","9","2","10","1") = "9"
    & skf18("10","9","1","9","3","1","1") = "9"
    & skf18("10","9","1","9","3","2","1") = "9"
    & skf18("10","9","1","9","3","3","1") = "9"
    & skf18("10","9","1","9","3","4","1") = "9"
    & skf18("10","9","1","9","3","5","1") = "9"
    & skf18("10","9","1","9","3","6","1") = "9"
    & skf18("10","9","1","9","3","7","1") = "9"
    & skf18("10","9","1","9","3","8","1") = "9"
    & skf18("10","9","1","9","3","9","1") = "9"
    & skf18("10","9","1","9","3","10","1") = "9"
    & skf18("10","9","1","9","4","1","1") = "9"
    & skf18("10","9","1","9","4","2","1") = "9"
    & skf18("10","9","1","9","4","3","1") = "9"
    & skf18("10","9","1","9","4","4","1") = "9"
    & skf18("10","9","1","9","4","5","1") = "9"
    & skf18("10","9","1","9","4","6","1") = "9"
    & skf18("10","9","1","9","4","7","1") = "9"
    & skf18("10","9","1","9","4","8","1") = "9"
    & skf18("10","9","1","9","4","9","1") = "9"
    & skf18("10","9","1","9","4","10","1") = "9"
    & skf18("10","9","1","9","5","1","1") = "9"
    & skf18("10","9","1","9","5","2","1") = "9"
    & skf18("10","9","1","9","5","3","1") = "9"
    & skf18("10","9","1","9","5","4","1") = "9"
    & skf18("10","9","1","9","5","5","1") = "9"
    & skf18("10","9","1","9","5","6","1") = "9"
    & skf18("10","9","1","9","5","7","1") = "9"
    & skf18("10","9","1","9","5","8","1") = "9"
    & skf18("10","9","1","9","5","9","1") = "9"
    & skf18("10","9","1","9","5","10","1") = "9"
    & skf18("10","9","1","9","6","1","1") = "9"
    & skf18("10","9","1","9","6","2","1") = "9"
    & skf18("10","9","1","9","6","3","1") = "9"
    & skf18("10","9","1","9","6","4","1") = "9"
    & skf18("10","9","1","9","6","5","1") = "9"
    & skf18("10","9","1","9","6","6","1") = "9"
    & skf18("10","9","1","9","6","7","1") = "9"
    & skf18("10","9","1","9","6","8","1") = "9"
    & skf18("10","9","1","9","6","9","1") = "9"
    & skf18("10","9","1","9","6","10","1") = "9"
    & skf18("10","9","1","9","7","1","1") = "9"
    & skf18("10","9","1","9","7","2","1") = "9"
    & skf18("10","9","1","9","7","3","1") = "9"
    & skf18("10","9","1","9","7","4","1") = "9"
    & skf18("10","9","1","9","7","5","1") = "9"
    & skf18("10","9","1","9","7","6","1") = "9"
    & skf18("10","9","1","9","7","7","1") = "9"
    & skf18("10","9","1","9","7","8","1") = "9"
    & skf18("10","9","1","9","7","9","1") = "9"
    & skf18("10","9","1","9","7","10","1") = "9"
    & skf18("10","9","1","9","8","1","1") = "9"
    & skf18("10","9","1","9","8","2","1") = "9"
    & skf18("10","9","1","9","8","3","1") = "9"
    & skf18("10","9","1","9","8","4","1") = "9"
    & skf18("10","9","1","9","8","5","1") = "9"
    & skf18("10","9","1","9","8","6","1") = "9"
    & skf18("10","9","1","9","8","7","1") = "9"
    & skf18("10","9","1","9","8","8","1") = "9"
    & skf18("10","9","1","9","8","9","1") = "9"
    & skf18("10","9","1","9","8","10","1") = "9"
    & skf18("10","9","1","9","9","1","1") = "9"
    & skf18("10","9","1","9","9","2","1") = "9"
    & skf18("10","9","1","9","9","3","1") = "9"
    & skf18("10","9","1","9","9","4","1") = "9"
    & skf18("10","9","1","9","9","5","1") = "9"
    & skf18("10","9","1","9","9","6","1") = "9"
    & skf18("10","9","1","9","9","7","1") = "9"
    & skf18("10","9","1","9","9","8","1") = "9"
    & skf18("10","9","1","9","9","9","1") = "9"
    & skf18("10","9","1","9","9","10","1") = "9"
    & skf18("10","9","1","9","10","1","1") = "9"
    & skf18("10","9","1","9","10","2","1") = "9"
    & skf18("10","9","1","9","10","3","1") = "9"
    & skf18("10","9","1","9","10","4","1") = "9"
    & skf18("10","9","1","9","10","5","1") = "9"
    & skf18("10","9","1","9","10","6","1") = "9"
    & skf18("10","9","1","9","10","7","1") = "9"
    & skf18("10","9","1","9","10","8","1") = "9"
    & skf18("10","9","1","9","10","9","1") = "9"
    & skf18("10","9","1","9","10","10","1") = "9"
    & skf18("10","9","1","10","1","1","1") = "9"
    & skf18("10","9","1","10","1","2","1") = "9"
    & skf18("10","9","1","10","1","3","1") = "9"
    & skf18("10","9","1","10","1","4","1") = "9"
    & skf18("10","9","1","10","1","5","1") = "9"
    & skf18("10","9","1","10","1","6","1") = "9"
    & skf18("10","9","1","10","1","7","1") = "9"
    & skf18("10","9","1","10","1","8","1") = "9"
    & skf18("10","9","1","10","1","9","1") = "9"
    & skf18("10","9","1","10","1","10","1") = "9"
    & skf18("10","9","1","10","2","1","1") = "9"
    & skf18("10","9","1","10","2","2","1") = "9"
    & skf18("10","9","1","10","2","3","1") = "9"
    & skf18("10","9","1","10","2","4","1") = "9"
    & skf18("10","9","1","10","2","5","1") = "9"
    & skf18("10","9","1","10","2","6","1") = "9"
    & skf18("10","9","1","10","2","7","1") = "9"
    & skf18("10","9","1","10","2","8","1") = "9"
    & skf18("10","9","1","10","2","9","1") = "9"
    & skf18("10","9","1","10","2","10","1") = "9"
    & skf18("10","9","1","10","3","1","1") = "9"
    & skf18("10","9","1","10","3","2","1") = "9"
    & skf18("10","9","1","10","3","3","1") = "9"
    & skf18("10","9","1","10","3","4","1") = "9"
    & skf18("10","9","1","10","3","5","1") = "9"
    & skf18("10","9","1","10","3","6","1") = "9"
    & skf18("10","9","1","10","3","7","1") = "9"
    & skf18("10","9","1","10","3","8","1") = "9"
    & skf18("10","9","1","10","3","9","1") = "9"
    & skf18("10","9","1","10","3","10","1") = "9"
    & skf18("10","9","1","10","4","1","1") = "9"
    & skf18("10","9","1","10","4","2","1") = "9"
    & skf18("10","9","1","10","4","3","1") = "9"
    & skf18("10","9","1","10","4","4","1") = "9"
    & skf18("10","9","1","10","4","5","1") = "9"
    & skf18("10","9","1","10","4","6","1") = "9"
    & skf18("10","9","1","10","4","7","1") = "9"
    & skf18("10","9","1","10","4","8","1") = "9"
    & skf18("10","9","1","10","4","9","1") = "9"
    & skf18("10","9","1","10","4","10","1") = "9"
    & skf18("10","9","1","10","5","1","1") = "9"
    & skf18("10","9","1","10","5","2","1") = "9"
    & skf18("10","9","1","10","5","3","1") = "9"
    & skf18("10","9","1","10","5","4","1") = "9"
    & skf18("10","9","1","10","5","5","1") = "9"
    & skf18("10","9","1","10","5","6","1") = "9"
    & skf18("10","9","1","10","5","7","1") = "9"
    & skf18("10","9","1","10","5","8","1") = "9"
    & skf18("10","9","1","10","5","9","1") = "9"
    & skf18("10","9","1","10","5","10","1") = "9"
    & skf18("10","9","1","10","6","1","1") = "9"
    & skf18("10","9","1","10","6","2","1") = "9"
    & skf18("10","9","1","10","6","3","1") = "9"
    & skf18("10","9","1","10","6","4","1") = "9"
    & skf18("10","9","1","10","6","5","1") = "9"
    & skf18("10","9","1","10","6","6","1") = "9"
    & skf18("10","9","1","10","6","7","1") = "9"
    & skf18("10","9","1","10","6","8","1") = "9"
    & skf18("10","9","1","10","6","9","1") = "9"
    & skf18("10","9","1","10","6","10","1") = "9"
    & skf18("10","9","1","10","7","1","1") = "9"
    & skf18("10","9","1","10","7","2","1") = "9"
    & skf18("10","9","1","10","7","3","1") = "9"
    & skf18("10","9","1","10","7","4","1") = "9"
    & skf18("10","9","1","10","7","5","1") = "9"
    & skf18("10","9","1","10","7","6","1") = "9"
    & skf18("10","9","1","10","7","7","1") = "9"
    & skf18("10","9","1","10","7","8","1") = "9"
    & skf18("10","9","1","10","7","9","1") = "9"
    & skf18("10","9","1","10","7","10","1") = "9"
    & skf18("10","9","1","10","8","1","1") = "9"
    & skf18("10","9","1","10","8","2","1") = "9"
    & skf18("10","9","1","10","8","3","1") = "9"
    & skf18("10","9","1","10","8","4","1") = "9"
    & skf18("10","9","1","10","8","5","1") = "9"
    & skf18("10","9","1","10","8","6","1") = "9"
    & skf18("10","9","1","10","8","7","1") = "9"
    & skf18("10","9","1","10","8","8","1") = "9"
    & skf18("10","9","1","10","8","9","1") = "9"
    & skf18("10","9","1","10","8","10","1") = "9"
    & skf18("10","9","1","10","9","1","1") = "9"
    & skf18("10","9","1","10","9","2","1") = "9"
    & skf18("10","9","1","10","9","3","1") = "9"
    & skf18("10","9","1","10","9","4","1") = "9"
    & skf18("10","9","1","10","9","5","1") = "9"
    & skf18("10","9","1","10","9","6","1") = "9"
    & skf18("10","9","1","10","9","7","1") = "9"
    & skf18("10","9","1","10","9","8","1") = "9"
    & skf18("10","9","1","10","9","9","1") = "9"
    & skf18("10","9","1","10","9","10","1") = "9"
    & skf18("10","9","1","10","10","1","1") = "9"
    & skf18("10","9","1","10","10","2","1") = "9"
    & skf18("10","9","1","10","10","3","1") = "9"
    & skf18("10","9","1","10","10","4","1") = "9"
    & skf18("10","9","1","10","10","5","1") = "9"
    & skf18("10","9","1","10","10","6","1") = "9"
    & skf18("10","9","1","10","10","7","1") = "9"
    & skf18("10","9","1","10","10","8","1") = "9"
    & skf18("10","9","1","10","10","9","1") = "9"
    & skf18("10","9","1","10","10","10","1") = "9"
    & skf18("10","9","2","1","1","1","1") = "9"
    & skf18("10","9","2","1","1","2","1") = "9"
    & skf18("10","9","2","1","1","3","1") = "9"
    & skf18("10","9","2","1","1","4","1") = "9"
    & skf18("10","9","2","1","1","5","1") = "9"
    & skf18("10","9","2","1","1","6","1") = "9"
    & skf18("10","9","2","1","1","7","1") = "9"
    & skf18("10","9","2","1","1","8","1") = "9"
    & skf18("10","9","2","1","1","9","1") = "9"
    & skf18("10","9","2","1","1","10","1") = "9"
    & skf18("10","9","2","1","2","1","1") = "9"
    & skf18("10","9","2","1","2","2","1") = "9"
    & skf18("10","9","2","1","2","3","1") = "9"
    & skf18("10","9","2","1","2","4","1") = "9"
    & skf18("10","9","2","1","2","5","1") = "9"
    & skf18("10","9","2","1","2","6","1") = "9"
    & skf18("10","9","2","1","2","7","1") = "9"
    & skf18("10","9","2","1","2","8","1") = "9"
    & skf18("10","9","2","1","2","9","1") = "9"
    & skf18("10","9","2","1","2","10","1") = "9"
    & skf18("10","9","2","1","3","1","1") = "9"
    & skf18("10","9","2","1","3","2","1") = "9"
    & skf18("10","9","2","1","3","3","1") = "9"
    & skf18("10","9","2","1","3","4","1") = "9"
    & skf18("10","9","2","1","3","5","1") = "9"
    & skf18("10","9","2","1","3","6","1") = "9"
    & skf18("10","9","2","1","3","7","1") = "9"
    & skf18("10","9","2","1","3","8","1") = "9"
    & skf18("10","9","2","1","3","9","1") = "9"
    & skf18("10","9","2","1","3","10","1") = "9"
    & skf18("10","9","2","1","4","1","1") = "9"
    & skf18("10","9","2","1","4","2","1") = "9"
    & skf18("10","9","2","1","4","3","1") = "9"
    & skf18("10","9","2","1","4","4","1") = "9"
    & skf18("10","9","2","1","4","5","1") = "9"
    & skf18("10","9","2","1","4","6","1") = "9"
    & skf18("10","9","2","1","4","7","1") = "9"
    & skf18("10","9","2","1","4","8","1") = "9"
    & skf18("10","9","2","1","4","9","1") = "9"
    & skf18("10","9","2","1","4","10","1") = "9"
    & skf18("10","9","2","1","5","1","1") = "9"
    & skf18("10","9","2","1","5","2","1") = "9"
    & skf18("10","9","2","1","5","3","1") = "9"
    & skf18("10","9","2","1","5","4","1") = "9"
    & skf18("10","9","2","1","5","5","1") = "9"
    & skf18("10","9","2","1","5","6","1") = "9"
    & skf18("10","9","2","1","5","7","1") = "9"
    & skf18("10","9","2","1","5","8","1") = "9"
    & skf18("10","9","2","1","5","9","1") = "9"
    & skf18("10","9","2","1","5","10","1") = "9"
    & skf18("10","9","2","1","6","1","1") = "9"
    & skf18("10","9","2","1","6","2","1") = "9"
    & skf18("10","9","2","1","6","3","1") = "9"
    & skf18("10","9","2","1","6","4","1") = "9"
    & skf18("10","9","2","1","6","5","1") = "9"
    & skf18("10","9","2","1","6","6","1") = "9"
    & skf18("10","9","2","1","6","7","1") = "9"
    & skf18("10","9","2","1","6","8","1") = "9"
    & skf18("10","9","2","1","6","9","1") = "9"
    & skf18("10","9","2","1","6","10","1") = "9"
    & skf18("10","9","2","1","7","1","1") = "9"
    & skf18("10","9","2","1","7","2","1") = "9"
    & skf18("10","9","2","1","7","3","1") = "9"
    & skf18("10","9","2","1","7","4","1") = "9"
    & skf18("10","9","2","1","7","5","1") = "9"
    & skf18("10","9","2","1","7","6","1") = "9"
    & skf18("10","9","2","1","7","7","1") = "9"
    & skf18("10","9","2","1","7","8","1") = "9"
    & skf18("10","9","2","1","7","9","1") = "9"
    & skf18("10","9","2","1","7","10","1") = "9"
    & skf18("10","9","2","1","8","1","1") = "9"
    & skf18("10","9","2","1","8","2","1") = "9"
    & skf18("10","9","2","1","8","3","1") = "9"
    & skf18("10","9","2","1","8","4","1") = "9"
    & skf18("10","9","2","1","8","5","1") = "9"
    & skf18("10","9","2","1","8","6","1") = "9"
    & skf18("10","9","2","1","8","7","1") = "9"
    & skf18("10","9","2","1","8","8","1") = "9"
    & skf18("10","9","2","1","8","9","1") = "9"
    & skf18("10","9","2","1","8","10","1") = "9"
    & skf18("10","9","2","1","9","1","1") = "9"
    & skf18("10","9","2","1","9","2","1") = "9"
    & skf18("10","9","2","1","9","3","1") = "9"
    & skf18("10","9","2","1","9","4","1") = "9"
    & skf18("10","9","2","1","9","5","1") = "9"
    & skf18("10","9","2","1","9","6","1") = "9"
    & skf18("10","9","2","1","9","7","1") = "9"
    & skf18("10","9","2","1","9","8","1") = "9"
    & skf18("10","9","2","1","9","9","1") = "9"
    & skf18("10","9","2","1","9","10","1") = "9"
    & skf18("10","9","2","1","10","1","1") = "9"
    & skf18("10","9","2","1","10","2","1") = "9"
    & skf18("10","9","2","1","10","3","1") = "9"
    & skf18("10","9","2","1","10","4","1") = "9"
    & skf18("10","9","2","1","10","5","1") = "9"
    & skf18("10","9","2","1","10","6","1") = "9"
    & skf18("10","9","2","1","10","7","1") = "9"
    & skf18("10","9","2","1","10","8","1") = "9"
    & skf18("10","9","2","1","10","9","1") = "9"
    & skf18("10","9","2","1","10","10","1") = "9"
    & skf18("10","9","2","2","1","1","1") = "9"
    & skf18("10","9","2","2","1","2","1") = "9"
    & skf18("10","9","2","2","1","3","1") = "9"
    & skf18("10","9","2","2","1","4","1") = "9"
    & skf18("10","9","2","2","1","5","1") = "9"
    & skf18("10","9","2","2","1","6","1") = "9"
    & skf18("10","9","2","2","1","7","1") = "9"
    & skf18("10","9","2","2","1","8","1") = "9"
    & skf18("10","9","2","2","1","9","1") = "9"
    & skf18("10","9","2","2","1","10","1") = "9"
    & skf18("10","9","2","2","2","1","1") = "9"
    & skf18("10","9","2","2","2","2","1") = "9"
    & skf18("10","9","2","2","2","3","1") = "9"
    & skf18("10","9","2","2","2","4","1") = "9"
    & skf18("10","9","2","2","2","5","1") = "9"
    & skf18("10","9","2","2","2","6","1") = "9"
    & skf18("10","9","2","2","2","7","1") = "9"
    & skf18("10","9","2","2","2","8","1") = "9"
    & skf18("10","9","2","2","2","9","1") = "9"
    & skf18("10","9","2","2","2","10","1") = "9"
    & skf18("10","9","2","2","3","1","1") = "9"
    & skf18("10","9","2","2","3","2","1") = "9"
    & skf18("10","9","2","2","3","3","1") = "9"
    & skf18("10","9","2","2","3","4","1") = "9"
    & skf18("10","9","2","2","3","5","1") = "9"
    & skf18("10","9","2","2","3","6","1") = "9"
    & skf18("10","9","2","2","3","7","1") = "9"
    & skf18("10","9","2","2","3","8","1") = "9"
    & skf18("10","9","2","2","3","9","1") = "9"
    & skf18("10","9","2","2","3","10","1") = "9"
    & skf18("10","9","2","2","4","1","1") = "9"
    & skf18("10","9","2","2","4","2","1") = "9"
    & skf18("10","9","2","2","4","3","1") = "9"
    & skf18("10","9","2","2","4","4","1") = "9"
    & skf18("10","9","2","2","4","5","1") = "9"
    & skf18("10","9","2","2","4","6","1") = "9"
    & skf18("10","9","2","2","4","7","1") = "9"
    & skf18("10","9","2","2","4","8","1") = "9"
    & skf18("10","9","2","2","4","9","1") = "9"
    & skf18("10","9","2","2","4","10","1") = "9"
    & skf18("10","9","2","2","5","1","1") = "9"
    & skf18("10","9","2","2","5","2","1") = "9"
    & skf18("10","9","2","2","5","3","1") = "9"
    & skf18("10","9","2","2","5","4","1") = "9"
    & skf18("10","9","2","2","5","5","1") = "9"
    & skf18("10","9","2","2","5","6","1") = "9"
    & skf18("10","9","2","2","5","7","1") = "9"
    & skf18("10","9","2","2","5","8","1") = "9"
    & skf18("10","9","2","2","5","9","1") = "9"
    & skf18("10","9","2","2","5","10","1") = "9"
    & skf18("10","9","2","2","6","1","1") = "9"
    & skf18("10","9","2","2","6","2","1") = "9"
    & skf18("10","9","2","2","6","3","1") = "9"
    & skf18("10","9","2","2","6","4","1") = "9"
    & skf18("10","9","2","2","6","5","1") = "9"
    & skf18("10","9","2","2","6","6","1") = "9"
    & skf18("10","9","2","2","6","7","1") = "9"
    & skf18("10","9","2","2","6","8","1") = "9"
    & skf18("10","9","2","2","6","9","1") = "9"
    & skf18("10","9","2","2","6","10","1") = "9"
    & skf18("10","9","2","2","7","1","1") = "9"
    & skf18("10","9","2","2","7","2","1") = "9"
    & skf18("10","9","2","2","7","3","1") = "9"
    & skf18("10","9","2","2","7","4","1") = "9"
    & skf18("10","9","2","2","7","5","1") = "9"
    & skf18("10","9","2","2","7","6","1") = "9"
    & skf18("10","9","2","2","7","7","1") = "9"
    & skf18("10","9","2","2","7","8","1") = "9"
    & skf18("10","9","2","2","7","9","1") = "9"
    & skf18("10","9","2","2","7","10","1") = "9"
    & skf18("10","9","2","2","8","1","1") = "9"
    & skf18("10","9","2","2","8","2","1") = "9"
    & skf18("10","9","2","2","8","3","1") = "9"
    & skf18("10","9","2","2","8","4","1") = "9"
    & skf18("10","9","2","2","8","5","1") = "9"
    & skf18("10","9","2","2","8","6","1") = "9"
    & skf18("10","9","2","2","8","7","1") = "9"
    & skf18("10","9","2","2","8","8","1") = "9"
    & skf18("10","9","2","2","8","9","1") = "9"
    & skf18("10","9","2","2","8","10","1") = "9"
    & skf18("10","9","2","2","9","1","1") = "9"
    & skf18("10","9","2","2","9","2","1") = "9"
    & skf18("10","9","2","2","9","3","1") = "9"
    & skf18("10","9","2","2","9","4","1") = "9"
    & skf18("10","9","2","2","9","5","1") = "9"
    & skf18("10","9","2","2","9","6","1") = "9"
    & skf18("10","9","2","2","9","7","1") = "9"
    & skf18("10","9","2","2","9","8","1") = "9"
    & skf18("10","9","2","2","9","9","1") = "9"
    & skf18("10","9","2","2","9","10","1") = "9"
    & skf18("10","9","2","2","10","1","1") = "9"
    & skf18("10","9","2","2","10","2","1") = "9"
    & skf18("10","9","2","2","10","3","1") = "9"
    & skf18("10","9","2","2","10","4","1") = "9"
    & skf18("10","9","2","2","10","5","1") = "9"
    & skf18("10","9","2","2","10","6","1") = "9"
    & skf18("10","9","2","2","10","7","1") = "9"
    & skf18("10","9","2","2","10","8","1") = "9"
    & skf18("10","9","2","2","10","9","1") = "9"
    & skf18("10","9","2","2","10","10","1") = "9"
    & skf18("10","9","2","3","1","1","1") = "9"
    & skf18("10","9","2","3","1","2","1") = "9"
    & skf18("10","9","2","3","1","3","1") = "9"
    & skf18("10","9","2","3","1","4","1") = "9"
    & skf18("10","9","2","3","1","5","1") = "9"
    & skf18("10","9","2","3","1","6","1") = "9"
    & skf18("10","9","2","3","1","7","1") = "9"
    & skf18("10","9","2","3","1","8","1") = "9"
    & skf18("10","9","2","3","1","9","1") = "9"
    & skf18("10","9","2","3","1","10","1") = "9"
    & skf18("10","9","2","3","2","1","1") = "9"
    & skf18("10","9","2","3","2","2","1") = "9"
    & skf18("10","9","2","3","2","3","1") = "9"
    & skf18("10","9","2","3","2","4","1") = "9"
    & skf18("10","9","2","3","2","5","1") = "9"
    & skf18("10","9","2","3","2","6","1") = "9"
    & skf18("10","9","2","3","2","7","1") = "9"
    & skf18("10","9","2","3","2","8","1") = "9"
    & skf18("10","9","2","3","2","9","1") = "9"
    & skf18("10","9","2","3","2","10","1") = "9"
    & skf18("10","9","2","3","3","1","1") = "9"
    & skf18("10","9","2","3","3","2","1") = "9"
    & skf18("10","9","2","3","3","3","1") = "9"
    & skf18("10","9","2","3","3","4","1") = "9"
    & skf18("10","9","2","3","3","5","1") = "9"
    & skf18("10","9","2","3","3","6","1") = "9"
    & skf18("10","9","2","3","3","7","1") = "9"
    & skf18("10","9","2","3","3","8","1") = "9"
    & skf18("10","9","2","3","3","9","1") = "9"
    & skf18("10","9","2","3","3","10","1") = "9"
    & skf18("10","9","2","3","4","1","1") = "9"
    & skf18("10","9","2","3","4","2","1") = "9"
    & skf18("10","9","2","3","4","3","1") = "9"
    & skf18("10","9","2","3","4","4","1") = "9"
    & skf18("10","9","2","3","4","5","1") = "9"
    & skf18("10","9","2","3","4","6","1") = "9"
    & skf18("10","9","2","3","4","7","1") = "9"
    & skf18("10","9","2","3","4","8","1") = "9"
    & skf18("10","9","2","3","4","9","1") = "9"
    & skf18("10","9","2","3","4","10","1") = "9"
    & skf18("10","9","2","3","5","1","1") = "9"
    & skf18("10","9","2","3","5","2","1") = "9"
    & skf18("10","9","2","3","5","3","1") = "9"
    & skf18("10","9","2","3","5","4","1") = "9"
    & skf18("10","9","2","3","5","5","1") = "9"
    & skf18("10","9","2","3","5","6","1") = "9"
    & skf18("10","9","2","3","5","7","1") = "9"
    & skf18("10","9","2","3","5","8","1") = "9"
    & skf18("10","9","2","3","5","9","1") = "9"
    & skf18("10","9","2","3","5","10","1") = "9"
    & skf18("10","9","2","3","6","1","1") = "9"
    & skf18("10","9","2","3","6","2","1") = "9"
    & skf18("10","9","2","3","6","3","1") = "9"
    & skf18("10","9","2","3","6","4","1") = "9"
    & skf18("10","9","2","3","6","5","1") = "9"
    & skf18("10","9","2","3","6","6","1") = "9"
    & skf18("10","9","2","3","6","7","1") = "9"
    & skf18("10","9","2","3","6","8","1") = "9"
    & skf18("10","9","2","3","6","9","1") = "9"
    & skf18("10","9","2","3","6","10","1") = "9"
    & skf18("10","9","2","3","7","1","1") = "9"
    & skf18("10","9","2","3","7","2","1") = "9"
    & skf18("10","9","2","3","7","3","1") = "9"
    & skf18("10","9","2","3","7","4","1") = "9"
    & skf18("10","9","2","3","7","5","1") = "9"
    & skf18("10","9","2","3","7","6","1") = "9"
    & skf18("10","9","2","3","7","7","1") = "9"
    & skf18("10","9","2","3","7","8","1") = "9"
    & skf18("10","9","2","3","7","9","1") = "9"
    & skf18("10","9","2","3","7","10","1") = "9"
    & skf18("10","9","2","3","8","1","1") = "9"
    & skf18("10","9","2","3","8","2","1") = "9"
    & skf18("10","9","2","3","8","3","1") = "9"
    & skf18("10","9","2","3","8","4","1") = "9"
    & skf18("10","9","2","3","8","5","1") = "9"
    & skf18("10","9","2","3","8","6","1") = "9"
    & skf18("10","9","2","3","8","7","1") = "9"
    & skf18("10","9","2","3","8","8","1") = "9"
    & skf18("10","9","2","3","8","9","1") = "9"
    & skf18("10","9","2","3","8","10","1") = "9"
    & skf18("10","9","2","3","9","1","1") = "9"
    & skf18("10","9","2","3","9","2","1") = "9"
    & skf18("10","9","2","3","9","3","1") = "9"
    & skf18("10","9","2","3","9","4","1") = "9"
    & skf18("10","9","2","3","9","5","1") = "9"
    & skf18("10","9","2","3","9","6","1") = "9"
    & skf18("10","9","2","3","9","7","1") = "9"
    & skf18("10","9","2","3","9","8","1") = "9"
    & skf18("10","9","2","3","9","9","1") = "9"
    & skf18("10","9","2","3","9","10","1") = "9"
    & skf18("10","9","2","3","10","1","1") = "9"
    & skf18("10","9","2","3","10","2","1") = "9"
    & skf18("10","9","2","3","10","3","1") = "9"
    & skf18("10","9","2","3","10","4","1") = "9"
    & skf18("10","9","2","3","10","5","1") = "9"
    & skf18("10","9","2","3","10","6","1") = "9"
    & skf18("10","9","2","3","10","7","1") = "9"
    & skf18("10","9","2","3","10","8","1") = "9"
    & skf18("10","9","2","3","10","9","1") = "9"
    & skf18("10","9","2","3","10","10","1") = "9"
    & skf18("10","9","2","4","1","1","1") = "9"
    & skf18("10","9","2","4","1","2","1") = "9"
    & skf18("10","9","2","4","1","3","1") = "9"
    & skf18("10","9","2","4","1","4","1") = "9"
    & skf18("10","9","2","4","1","5","1") = "9"
    & skf18("10","9","2","4","1","6","1") = "9"
    & skf18("10","9","2","4","1","7","1") = "9"
    & skf18("10","9","2","4","1","8","1") = "9"
    & skf18("10","9","2","4","1","9","1") = "9"
    & skf18("10","9","2","4","1","10","1") = "9"
    & skf18("10","9","2","4","2","1","1") = "9"
    & skf18("10","9","2","4","2","2","1") = "9"
    & skf18("10","9","2","4","2","3","1") = "9"
    & skf18("10","9","2","4","2","4","1") = "9"
    & skf18("10","9","2","4","2","5","1") = "9"
    & skf18("10","9","2","4","2","6","1") = "9"
    & skf18("10","9","2","4","2","7","1") = "9"
    & skf18("10","9","2","4","2","8","1") = "9"
    & skf18("10","9","2","4","2","9","1") = "9"
    & skf18("10","9","2","4","2","10","1") = "9"
    & skf18("10","9","2","4","3","1","1") = "9"
    & skf18("10","9","2","4","3","2","1") = "9"
    & skf18("10","9","2","4","3","3","1") = "9"
    & skf18("10","9","2","4","3","4","1") = "9"
    & skf18("10","9","2","4","3","5","1") = "9"
    & skf18("10","9","2","4","3","6","1") = "9"
    & skf18("10","9","2","4","3","7","1") = "9"
    & skf18("10","9","2","4","3","8","1") = "9"
    & skf18("10","9","2","4","3","9","1") = "9"
    & skf18("10","9","2","4","3","10","1") = "9"
    & skf18("10","9","2","4","4","1","1") = "9"
    & skf18("10","9","2","4","4","2","1") = "9"
    & skf18("10","9","2","4","4","3","1") = "9"
    & skf18("10","9","2","4","4","4","1") = "9"
    & skf18("10","9","2","4","4","5","1") = "9"
    & skf18("10","9","2","4","4","6","1") = "9"
    & skf18("10","9","2","4","4","7","1") = "9"
    & skf18("10","9","2","4","4","8","1") = "9"
    & skf18("10","9","2","4","4","9","1") = "9"
    & skf18("10","9","2","4","4","10","1") = "9"
    & skf18("10","9","2","4","5","1","1") = "9"
    & skf18("10","9","2","4","5","2","1") = "9"
    & skf18("10","9","2","4","5","3","1") = "9"
    & skf18("10","9","2","4","5","4","1") = "9"
    & skf18("10","9","2","4","5","5","1") = "9"
    & skf18("10","9","2","4","5","6","1") = "9"
    & skf18("10","9","2","4","5","7","1") = "9"
    & skf18("10","9","2","4","5","8","1") = "9"
    & skf18("10","9","2","4","5","9","1") = "9"
    & skf18("10","9","2","4","5","10","1") = "9"
    & skf18("10","9","2","4","6","1","1") = "9"
    & skf18("10","9","2","4","6","2","1") = "9"
    & skf18("10","9","2","4","6","3","1") = "9"
    & skf18("10","9","2","4","6","4","1") = "9"
    & skf18("10","9","2","4","6","5","1") = "9"
    & skf18("10","9","2","4","6","6","1") = "9"
    & skf18("10","9","2","4","6","7","1") = "9"
    & skf18("10","9","2","4","6","8","1") = "9"
    & skf18("10","9","2","4","6","9","1") = "9"
    & skf18("10","9","2","4","6","10","1") = "9"
    & skf18("10","9","2","4","7","1","1") = "9"
    & skf18("10","9","2","4","7","2","1") = "9"
    & skf18("10","9","2","4","7","3","1") = "9"
    & skf18("10","9","2","4","7","4","1") = "9"
    & skf18("10","9","2","4","7","5","1") = "9"
    & skf18("10","9","2","4","7","6","1") = "9"
    & skf18("10","9","2","4","7","7","1") = "9"
    & skf18("10","9","2","4","7","8","1") = "9"
    & skf18("10","9","2","4","7","9","1") = "9"
    & skf18("10","9","2","4","7","10","1") = "9"
    & skf18("10","9","2","4","8","1","1") = "9"
    & skf18("10","9","2","4","8","2","1") = "9"
    & skf18("10","9","2","4","8","3","1") = "9"
    & skf18("10","9","2","4","8","4","1") = "9"
    & skf18("10","9","2","4","8","5","1") = "9"
    & skf18("10","9","2","4","8","6","1") = "9"
    & skf18("10","9","2","4","8","7","1") = "9"
    & skf18("10","9","2","4","8","8","1") = "9"
    & skf18("10","9","2","4","8","9","1") = "9"
    & skf18("10","9","2","4","8","10","1") = "9"
    & skf18("10","9","2","4","9","1","1") = "9"
    & skf18("10","9","2","4","9","2","1") = "9"
    & skf18("10","9","2","4","9","3","1") = "9"
    & skf18("10","9","2","4","9","4","1") = "9"
    & skf18("10","9","2","4","9","5","1") = "9"
    & skf18("10","9","2","4","9","6","1") = "9"
    & skf18("10","9","2","4","9","7","1") = "9"
    & skf18("10","9","2","4","9","8","1") = "9"
    & skf18("10","9","2","4","9","9","1") = "9"
    & skf18("10","9","2","4","9","10","1") = "9"
    & skf18("10","9","2","4","10","1","1") = "9"
    & skf18("10","9","2","4","10","2","1") = "9"
    & skf18("10","9","2","4","10","3","1") = "9"
    & skf18("10","9","2","4","10","4","1") = "9"
    & skf18("10","9","2","4","10","5","1") = "9"
    & skf18("10","9","2","4","10","6","1") = "9"
    & skf18("10","9","2","4","10","7","1") = "9"
    & skf18("10","9","2","4","10","8","1") = "9"
    & skf18("10","9","2","4","10","9","1") = "9"
    & skf18("10","9","2","4","10","10","1") = "9"
    & skf18("10","9","2","5","1","1","1") = "9"
    & skf18("10","9","2","5","1","2","1") = "9"
    & skf18("10","9","2","5","1","3","1") = "9"
    & skf18("10","9","2","5","1","4","1") = "9"
    & skf18("10","9","2","5","1","5","1") = "9"
    & skf18("10","9","2","5","1","6","1") = "9"
    & skf18("10","9","2","5","1","7","1") = "9"
    & skf18("10","9","2","5","1","8","1") = "9"
    & skf18("10","9","2","5","1","9","1") = "9"
    & skf18("10","9","2","5","1","10","1") = "9"
    & skf18("10","9","2","5","2","1","1") = "9"
    & skf18("10","9","2","5","2","2","1") = "9"
    & skf18("10","9","2","5","2","3","1") = "9"
    & skf18("10","9","2","5","2","4","1") = "9"
    & skf18("10","9","2","5","2","5","1") = "9"
    & skf18("10","9","2","5","2","6","1") = "9"
    & skf18("10","9","2","5","2","7","1") = "9"
    & skf18("10","9","2","5","2","8","1") = "9"
    & skf18("10","9","2","5","2","9","1") = "9"
    & skf18("10","9","2","5","2","10","1") = "9"
    & skf18("10","9","2","5","3","1","1") = "9"
    & skf18("10","9","2","5","3","2","1") = "9"
    & skf18("10","9","2","5","3","3","1") = "9"
    & skf18("10","9","2","5","3","4","1") = "9"
    & skf18("10","9","2","5","3","5","1") = "9"
    & skf18("10","9","2","5","3","6","1") = "9"
    & skf18("10","9","2","5","3","7","1") = "9"
    & skf18("10","9","2","5","3","8","1") = "9"
    & skf18("10","9","2","5","3","9","1") = "9"
    & skf18("10","9","2","5","3","10","1") = "9"
    & skf18("10","9","2","5","4","1","1") = "9"
    & skf18("10","9","2","5","4","2","1") = "9"
    & skf18("10","9","2","5","4","3","1") = "9"
    & skf18("10","9","2","5","4","4","1") = "9"
    & skf18("10","9","2","5","4","5","1") = "9"
    & skf18("10","9","2","5","4","6","1") = "9"
    & skf18("10","9","2","5","4","7","1") = "9"
    & skf18("10","9","2","5","4","8","1") = "9"
    & skf18("10","9","2","5","4","9","1") = "9"
    & skf18("10","9","2","5","4","10","1") = "9"
    & skf18("10","9","2","5","5","1","1") = "9"
    & skf18("10","9","2","5","5","2","1") = "9"
    & skf18("10","9","2","5","5","3","1") = "9"
    & skf18("10","9","2","5","5","4","1") = "9"
    & skf18("10","9","2","5","5","5","1") = "9"
    & skf18("10","9","2","5","5","6","1") = "9"
    & skf18("10","9","2","5","5","7","1") = "9"
    & skf18("10","9","2","5","5","8","1") = "9"
    & skf18("10","9","2","5","5","9","1") = "9"
    & skf18("10","9","2","5","5","10","1") = "9"
    & skf18("10","9","2","5","6","1","1") = "9"
    & skf18("10","9","2","5","6","2","1") = "9"
    & skf18("10","9","2","5","6","3","1") = "9"
    & skf18("10","9","2","5","6","4","1") = "9"
    & skf18("10","9","2","5","6","5","1") = "9"
    & skf18("10","9","2","5","6","6","1") = "9"
    & skf18("10","9","2","5","6","7","1") = "9"
    & skf18("10","9","2","5","6","8","1") = "9"
    & skf18("10","9","2","5","6","9","1") = "9"
    & skf18("10","9","2","5","6","10","1") = "9"
    & skf18("10","9","2","5","7","1","1") = "9"
    & skf18("10","9","2","5","7","2","1") = "9"
    & skf18("10","9","2","5","7","3","1") = "9"
    & skf18("10","9","2","5","7","4","1") = "9"
    & skf18("10","9","2","5","7","5","1") = "9"
    & skf18("10","9","2","5","7","6","1") = "9"
    & skf18("10","9","2","5","7","7","1") = "9"
    & skf18("10","9","2","5","7","8","1") = "9"
    & skf18("10","9","2","5","7","9","1") = "9"
    & skf18("10","9","2","5","7","10","1") = "9"
    & skf18("10","9","2","5","8","1","1") = "9"
    & skf18("10","9","2","5","8","2","1") = "9"
    & skf18("10","9","2","5","8","3","1") = "9"
    & skf18("10","9","2","5","8","4","1") = "9"
    & skf18("10","9","2","5","8","5","1") = "9"
    & skf18("10","9","2","5","8","6","1") = "9"
    & skf18("10","9","2","5","8","7","1") = "9"
    & skf18("10","9","2","5","8","8","1") = "9"
    & skf18("10","9","2","5","8","9","1") = "9"
    & skf18("10","9","2","5","8","10","1") = "9"
    & skf18("10","9","2","5","9","1","1") = "9"
    & skf18("10","9","2","5","9","2","1") = "9"
    & skf18("10","9","2","5","9","3","1") = "9"
    & skf18("10","9","2","5","9","4","1") = "9"
    & skf18("10","9","2","5","9","5","1") = "9"
    & skf18("10","9","2","5","9","6","1") = "9"
    & skf18("10","9","2","5","9","7","1") = "9"
    & skf18("10","9","2","5","9","8","1") = "9"
    & skf18("10","9","2","5","9","9","1") = "9"
    & skf18("10","9","2","5","9","10","1") = "9"
    & skf18("10","9","2","5","10","1","1") = "9"
    & skf18("10","9","2","5","10","2","1") = "9"
    & skf18("10","9","2","5","10","3","1") = "9"
    & skf18("10","9","2","5","10","4","1") = "9"
    & skf18("10","9","2","5","10","5","1") = "9"
    & skf18("10","9","2","5","10","6","1") = "9"
    & skf18("10","9","2","5","10","7","1") = "9"
    & skf18("10","9","2","5","10","8","1") = "9"
    & skf18("10","9","2","5","10","9","1") = "9"
    & skf18("10","9","2","5","10","10","1") = "9"
    & skf18("10","9","2","6","1","1","1") = "9"
    & skf18("10","9","2","6","1","2","1") = "9"
    & skf18("10","9","2","6","1","3","1") = "9"
    & skf18("10","9","2","6","1","4","1") = "9"
    & skf18("10","9","2","6","1","5","1") = "9"
    & skf18("10","9","2","6","1","6","1") = "9"
    & skf18("10","9","2","6","1","7","1") = "9"
    & skf18("10","9","2","6","1","8","1") = "9"
    & skf18("10","9","2","6","1","9","1") = "9"
    & skf18("10","9","2","6","1","10","1") = "9"
    & skf18("10","9","2","6","2","1","1") = "9"
    & skf18("10","9","2","6","2","2","1") = "9"
    & skf18("10","9","2","6","2","3","1") = "9"
    & skf18("10","9","2","6","2","4","1") = "9"
    & skf18("10","9","2","6","2","5","1") = "9"
    & skf18("10","9","2","6","2","6","1") = "9"
    & skf18("10","9","2","6","2","7","1") = "9"
    & skf18("10","9","2","6","2","8","1") = "9"
    & skf18("10","9","2","6","2","9","1") = "9"
    & skf18("10","9","2","6","2","10","1") = "9"
    & skf18("10","9","2","6","3","1","1") = "9"
    & skf18("10","9","2","6","3","2","1") = "9"
    & skf18("10","9","2","6","3","3","1") = "9"
    & skf18("10","9","2","6","3","4","1") = "9"
    & skf18("10","9","2","6","3","5","1") = "9"
    & skf18("10","9","2","6","3","6","1") = "9"
    & skf18("10","9","2","6","3","7","1") = "9"
    & skf18("10","9","2","6","3","8","1") = "9"
    & skf18("10","9","2","6","3","9","1") = "9"
    & skf18("10","9","2","6","3","10","1") = "9"
    & skf18("10","9","2","6","4","1","1") = "9"
    & skf18("10","9","2","6","4","2","1") = "9"
    & skf18("10","9","2","6","4","3","1") = "9"
    & skf18("10","9","2","6","4","4","1") = "9"
    & skf18("10","9","2","6","4","5","1") = "9"
    & skf18("10","9","2","6","4","6","1") = "9"
    & skf18("10","9","2","6","4","7","1") = "9"
    & skf18("10","9","2","6","4","8","1") = "9"
    & skf18("10","9","2","6","4","9","1") = "9"
    & skf18("10","9","2","6","4","10","1") = "9"
    & skf18("10","9","2","6","5","1","1") = "9"
    & skf18("10","9","2","6","5","2","1") = "9"
    & skf18("10","9","2","6","5","3","1") = "9"
    & skf18("10","9","2","6","5","4","1") = "9"
    & skf18("10","9","2","6","5","5","1") = "9"
    & skf18("10","9","2","6","5","6","1") = "9"
    & skf18("10","9","2","6","5","7","1") = "9"
    & skf18("10","9","2","6","5","8","1") = "9"
    & skf18("10","9","2","6","5","9","1") = "9"
    & skf18("10","9","2","6","5","10","1") = "9"
    & skf18("10","9","2","6","6","1","1") = "9"
    & skf18("10","9","2","6","6","2","1") = "9"
    & skf18("10","9","2","6","6","3","1") = "9"
    & skf18("10","9","2","6","6","4","1") = "9"
    & skf18("10","9","2","6","6","5","1") = "9"
    & skf18("10","9","2","6","6","6","1") = "9"
    & skf18("10","9","2","6","6","7","1") = "9"
    & skf18("10","9","2","6","6","8","1") = "9"
    & skf18("10","9","2","6","6","9","1") = "9"
    & skf18("10","9","2","6","6","10","1") = "9"
    & skf18("10","9","2","6","7","1","1") = "9"
    & skf18("10","9","2","6","7","2","1") = "9"
    & skf18("10","9","2","6","7","3","1") = "9"
    & skf18("10","9","2","6","7","4","1") = "9"
    & skf18("10","9","2","6","7","5","1") = "9"
    & skf18("10","9","2","6","7","6","1") = "9"
    & skf18("10","9","2","6","7","7","1") = "9"
    & skf18("10","9","2","6","7","8","1") = "9"
    & skf18("10","9","2","6","7","9","1") = "9"
    & skf18("10","9","2","6","7","10","1") = "9"
    & skf18("10","9","2","6","8","1","1") = "9"
    & skf18("10","9","2","6","8","2","1") = "9"
    & skf18("10","9","2","6","8","3","1") = "9"
    & skf18("10","9","2","6","8","4","1") = "9"
    & skf18("10","9","2","6","8","5","1") = "9"
    & skf18("10","9","2","6","8","6","1") = "9"
    & skf18("10","9","2","6","8","7","1") = "9"
    & skf18("10","9","2","6","8","8","1") = "9"
    & skf18("10","9","2","6","8","9","1") = "9"
    & skf18("10","9","2","6","8","10","1") = "9"
    & skf18("10","9","2","6","9","1","1") = "9"
    & skf18("10","9","2","6","9","2","1") = "9"
    & skf18("10","9","2","6","9","3","1") = "9"
    & skf18("10","9","2","6","9","4","1") = "9"
    & skf18("10","9","2","6","9","5","1") = "9"
    & skf18("10","9","2","6","9","6","1") = "9"
    & skf18("10","9","2","6","9","7","1") = "9"
    & skf18("10","9","2","6","9","8","1") = "9"
    & skf18("10","9","2","6","9","9","1") = "9"
    & skf18("10","9","2","6","9","10","1") = "9"
    & skf18("10","9","2","6","10","1","1") = "9"
    & skf18("10","9","2","6","10","2","1") = "9"
    & skf18("10","9","2","6","10","3","1") = "9"
    & skf18("10","9","2","6","10","4","1") = "9"
    & skf18("10","9","2","6","10","5","1") = "9"
    & skf18("10","9","2","6","10","6","1") = "9"
    & skf18("10","9","2","6","10","7","1") = "9"
    & skf18("10","9","2","6","10","8","1") = "9"
    & skf18("10","9","2","6","10","9","1") = "9"
    & skf18("10","9","2","6","10","10","1") = "9"
    & skf18("10","9","2","7","1","1","1") = "9"
    & skf18("10","9","2","7","1","2","1") = "9"
    & skf18("10","9","2","7","1","3","1") = "9"
    & skf18("10","9","2","7","1","4","1") = "9"
    & skf18("10","9","2","7","1","5","1") = "9"
    & skf18("10","9","2","7","1","6","1") = "9"
    & skf18("10","9","2","7","1","7","1") = "9"
    & skf18("10","9","2","7","1","8","1") = "9"
    & skf18("10","9","2","7","1","9","1") = "9"
    & skf18("10","9","2","7","1","10","1") = "9"
    & skf18("10","9","2","7","2","1","1") = "9"
    & skf18("10","9","2","7","2","2","1") = "9"
    & skf18("10","9","2","7","2","3","1") = "9"
    & skf18("10","9","2","7","2","4","1") = "9"
    & skf18("10","9","2","7","2","5","1") = "9"
    & skf18("10","9","2","7","2","6","1") = "9"
    & skf18("10","9","2","7","2","7","1") = "9"
    & skf18("10","9","2","7","2","8","1") = "9"
    & skf18("10","9","2","7","2","9","1") = "9"
    & skf18("10","9","2","7","2","10","1") = "9"
    & skf18("10","9","2","7","3","1","1") = "9"
    & skf18("10","9","2","7","3","2","1") = "9"
    & skf18("10","9","2","7","3","3","1") = "9"
    & skf18("10","9","2","7","3","4","1") = "9"
    & skf18("10","9","2","7","3","5","1") = "9"
    & skf18("10","9","2","7","3","6","1") = "9"
    & skf18("10","9","2","7","3","7","1") = "9"
    & skf18("10","9","2","7","3","8","1") = "9"
    & skf18("10","9","2","7","3","9","1") = "9"
    & skf18("10","9","2","7","3","10","1") = "9"
    & skf18("10","9","2","7","4","1","1") = "9"
    & skf18("10","9","2","7","4","2","1") = "9"
    & skf18("10","9","2","7","4","3","1") = "9"
    & skf18("10","9","2","7","4","4","1") = "9"
    & skf18("10","9","2","7","4","5","1") = "9"
    & skf18("10","9","2","7","4","6","1") = "9"
    & skf18("10","9","2","7","4","7","1") = "9"
    & skf18("10","9","2","7","4","8","1") = "9"
    & skf18("10","9","2","7","4","9","1") = "9"
    & skf18("10","9","2","7","4","10","1") = "9"
    & skf18("10","9","2","7","5","1","1") = "9"
    & skf18("10","9","2","7","5","2","1") = "9"
    & skf18("10","9","2","7","5","3","1") = "9"
    & skf18("10","9","2","7","5","4","1") = "9"
    & skf18("10","9","2","7","5","5","1") = "9"
    & skf18("10","9","2","7","5","6","1") = "9"
    & skf18("10","9","2","7","5","7","1") = "9"
    & skf18("10","9","2","7","5","8","1") = "9"
    & skf18("10","9","2","7","5","9","1") = "9"
    & skf18("10","9","2","7","5","10","1") = "9"
    & skf18("10","9","2","7","6","1","1") = "9"
    & skf18("10","9","2","7","6","2","1") = "9"
    & skf18("10","9","2","7","6","3","1") = "9"
    & skf18("10","9","2","7","6","4","1") = "9"
    & skf18("10","9","2","7","6","5","1") = "9"
    & skf18("10","9","2","7","6","6","1") = "9"
    & skf18("10","9","2","7","6","7","1") = "9"
    & skf18("10","9","2","7","6","8","1") = "9"
    & skf18("10","9","2","7","6","9","1") = "9"
    & skf18("10","9","2","7","6","10","1") = "9"
    & skf18("10","9","2","7","7","1","1") = "9"
    & skf18("10","9","2","7","7","2","1") = "9"
    & skf18("10","9","2","7","7","3","1") = "9"
    & skf18("10","9","2","7","7","4","1") = "9"
    & skf18("10","9","2","7","7","5","1") = "9"
    & skf18("10","9","2","7","7","6","1") = "9"
    & skf18("10","9","2","7","7","7","1") = "9"
    & skf18("10","9","2","7","7","8","1") = "9"
    & skf18("10","9","2","7","7","9","1") = "9"
    & skf18("10","9","2","7","7","10","1") = "9"
    & skf18("10","9","2","7","8","1","1") = "9"
    & skf18("10","9","2","7","8","2","1") = "9"
    & skf18("10","9","2","7","8","3","1") = "9"
    & skf18("10","9","2","7","8","4","1") = "9"
    & skf18("10","9","2","7","8","5","1") = "9"
    & skf18("10","9","2","7","8","6","1") = "9"
    & skf18("10","9","2","7","8","7","1") = "9"
    & skf18("10","9","2","7","8","8","1") = "9"
    & skf18("10","9","2","7","8","9","1") = "9"
    & skf18("10","9","2","7","8","10","1") = "9"
    & skf18("10","9","2","7","9","1","1") = "9"
    & skf18("10","9","2","7","9","2","1") = "9"
    & skf18("10","9","2","7","9","3","1") = "9"
    & skf18("10","9","2","7","9","4","1") = "9"
    & skf18("10","9","2","7","9","5","1") = "9"
    & skf18("10","9","2","7","9","6","1") = "9"
    & skf18("10","9","2","7","9","7","1") = "9"
    & skf18("10","9","2","7","9","8","1") = "9"
    & skf18("10","9","2","7","9","9","1") = "9"
    & skf18("10","9","2","7","9","10","1") = "9"
    & skf18("10","9","2","7","10","1","1") = "9"
    & skf18("10","9","2","7","10","2","1") = "9"
    & skf18("10","9","2","7","10","3","1") = "9"
    & skf18("10","9","2","7","10","4","1") = "9"
    & skf18("10","9","2","7","10","5","1") = "9"
    & skf18("10","9","2","7","10","6","1") = "9"
    & skf18("10","9","2","7","10","7","1") = "9"
    & skf18("10","9","2","7","10","8","1") = "9"
    & skf18("10","9","2","7","10","9","1") = "9"
    & skf18("10","9","2","7","10","10","1") = "9"
    & skf18("10","9","2","8","1","1","1") = "9"
    & skf18("10","9","2","8","1","2","1") = "9"
    & skf18("10","9","2","8","1","3","1") = "9"
    & skf18("10","9","2","8","1","4","1") = "9"
    & skf18("10","9","2","8","1","5","1") = "9"
    & skf18("10","9","2","8","1","6","1") = "9"
    & skf18("10","9","2","8","1","7","1") = "9"
    & skf18("10","9","2","8","1","8","1") = "9"
    & skf18("10","9","2","8","1","9","1") = "9"
    & skf18("10","9","2","8","1","10","1") = "9"
    & skf18("10","9","2","8","2","1","1") = "9"
    & skf18("10","9","2","8","2","2","1") = "9"
    & skf18("10","9","2","8","2","3","1") = "9"
    & skf18("10","9","2","8","2","4","1") = "9"
    & skf18("10","9","2","8","2","5","1") = "9"
    & skf18("10","9","2","8","2","6","1") = "9"
    & skf18("10","9","2","8","2","7","1") = "9"
    & skf18("10","9","2","8","2","8","1") = "9"
    & skf18("10","9","2","8","2","9","1") = "9"
    & skf18("10","9","2","8","2","10","1") = "9"
    & skf18("10","9","2","8","3","1","1") = "9"
    & skf18("10","9","2","8","3","2","1") = "9"
    & skf18("10","9","2","8","3","3","1") = "9"
    & skf18("10","9","2","8","3","4","1") = "9"
    & skf18("10","9","2","8","3","5","1") = "9"
    & skf18("10","9","2","8","3","6","1") = "9"
    & skf18("10","9","2","8","3","7","1") = "9"
    & skf18("10","9","2","8","3","8","1") = "9"
    & skf18("10","9","2","8","3","9","1") = "9"
    & skf18("10","9","2","8","3","10","1") = "9"
    & skf18("10","9","2","8","4","1","1") = "9"
    & skf18("10","9","2","8","4","2","1") = "9"
    & skf18("10","9","2","8","4","3","1") = "9"
    & skf18("10","9","2","8","4","4","1") = "9"
    & skf18("10","9","2","8","4","5","1") = "9"
    & skf18("10","9","2","8","4","6","1") = "9"
    & skf18("10","9","2","8","4","7","1") = "9"
    & skf18("10","9","2","8","4","8","1") = "9"
    & skf18("10","9","2","8","4","9","1") = "9"
    & skf18("10","9","2","8","4","10","1") = "9"
    & skf18("10","9","2","8","5","1","1") = "9"
    & skf18("10","9","2","8","5","2","1") = "9"
    & skf18("10","9","2","8","5","3","1") = "9"
    & skf18("10","9","2","8","5","4","1") = "9"
    & skf18("10","9","2","8","5","5","1") = "9"
    & skf18("10","9","2","8","5","6","1") = "9"
    & skf18("10","9","2","8","5","7","1") = "9"
    & skf18("10","9","2","8","5","8","1") = "9"
    & skf18("10","9","2","8","5","9","1") = "9"
    & skf18("10","9","2","8","5","10","1") = "9"
    & skf18("10","9","2","8","6","1","1") = "9"
    & skf18("10","9","2","8","6","2","1") = "9"
    & skf18("10","9","2","8","6","3","1") = "9"
    & skf18("10","9","2","8","6","4","1") = "9"
    & skf18("10","9","2","8","6","5","1") = "9"
    & skf18("10","9","2","8","6","6","1") = "9"
    & skf18("10","9","2","8","6","7","1") = "9"
    & skf18("10","9","2","8","6","8","1") = "9"
    & skf18("10","9","2","8","6","9","1") = "9"
    & skf18("10","9","2","8","6","10","1") = "9"
    & skf18("10","9","2","8","7","1","1") = "9"
    & skf18("10","9","2","8","7","2","1") = "9"
    & skf18("10","9","2","8","7","3","1") = "9"
    & skf18("10","9","2","8","7","4","1") = "9"
    & skf18("10","9","2","8","7","5","1") = "9"
    & skf18("10","9","2","8","7","6","1") = "9"
    & skf18("10","9","2","8","7","7","1") = "9"
    & skf18("10","9","2","8","7","8","1") = "9"
    & skf18("10","9","2","8","7","9","1") = "9"
    & skf18("10","9","2","8","7","10","1") = "9"
    & skf18("10","9","2","8","8","1","1") = "9"
    & skf18("10","9","2","8","8","2","1") = "9"
    & skf18("10","9","2","8","8","3","1") = "9"
    & skf18("10","9","2","8","8","4","1") = "9"
    & skf18("10","9","2","8","8","5","1") = "9"
    & skf18("10","9","2","8","8","6","1") = "9"
    & skf18("10","9","2","8","8","7","1") = "9"
    & skf18("10","9","2","8","8","8","1") = "9"
    & skf18("10","9","2","8","8","9","1") = "9"
    & skf18("10","9","2","8","8","10","1") = "9"
    & skf18("10","9","2","8","9","1","1") = "9"
    & skf18("10","9","2","8","9","2","1") = "9"
    & skf18("10","9","2","8","9","3","1") = "9"
    & skf18("10","9","2","8","9","4","1") = "9"
    & skf18("10","9","2","8","9","5","1") = "9"
    & skf18("10","9","2","8","9","6","1") = "9"
    & skf18("10","9","2","8","9","7","1") = "9"
    & skf18("10","9","2","8","9","8","1") = "9"
    & skf18("10","9","2","8","9","9","1") = "9"
    & skf18("10","9","2","8","9","10","1") = "9"
    & skf18("10","9","2","8","10","1","1") = "9"
    & skf18("10","9","2","8","10","2","1") = "9"
    & skf18("10","9","2","8","10","3","1") = "9"
    & skf18("10","9","2","8","10","4","1") = "9"
    & skf18("10","9","2","8","10","5","1") = "9"
    & skf18("10","9","2","8","10","6","1") = "9"
    & skf18("10","9","2","8","10","7","1") = "9"
    & skf18("10","9","2","8","10","8","1") = "9"
    & skf18("10","9","2","8","10","9","1") = "9"
    & skf18("10","9","2","8","10","10","1") = "9"
    & skf18("10","9","2","9","1","1","1") = "9"
    & skf18("10","9","2","9","1","2","1") = "9"
    & skf18("10","9","2","9","1","3","1") = "9"
    & skf18("10","9","2","9","1","4","1") = "9"
    & skf18("10","9","2","9","1","5","1") = "9"
    & skf18("10","9","2","9","1","6","1") = "9"
    & skf18("10","9","2","9","1","7","1") = "9"
    & skf18("10","9","2","9","1","8","1") = "9"
    & skf18("10","9","2","9","1","9","1") = "9"
    & skf18("10","9","2","9","1","10","1") = "9"
    & skf18("10","9","2","9","2","1","1") = "9"
    & skf18("10","9","2","9","2","2","1") = "9"
    & skf18("10","9","2","9","2","3","1") = "9"
    & skf18("10","9","2","9","2","4","1") = "9"
    & skf18("10","9","2","9","2","5","1") = "9"
    & skf18("10","9","2","9","2","6","1") = "9"
    & skf18("10","9","2","9","2","7","1") = "9"
    & skf18("10","9","2","9","2","8","1") = "9"
    & skf18("10","9","2","9","2","9","1") = "9"
    & skf18("10","9","2","9","2","10","1") = "9"
    & skf18("10","9","2","9","3","1","1") = "9"
    & skf18("10","9","2","9","3","2","1") = "9"
    & skf18("10","9","2","9","3","3","1") = "9"
    & skf18("10","9","2","9","3","4","1") = "9"
    & skf18("10","9","2","9","3","5","1") = "9"
    & skf18("10","9","2","9","3","6","1") = "9"
    & skf18("10","9","2","9","3","7","1") = "9"
    & skf18("10","9","2","9","3","8","1") = "9"
    & skf18("10","9","2","9","3","9","1") = "9"
    & skf18("10","9","2","9","3","10","1") = "9"
    & skf18("10","9","2","9","4","1","1") = "9"
    & skf18("10","9","2","9","4","2","1") = "9"
    & skf18("10","9","2","9","4","3","1") = "9"
    & skf18("10","9","2","9","4","4","1") = "9"
    & skf18("10","9","2","9","4","5","1") = "9"
    & skf18("10","9","2","9","4","6","1") = "9"
    & skf18("10","9","2","9","4","7","1") = "9"
    & skf18("10","9","2","9","4","8","1") = "9"
    & skf18("10","9","2","9","4","9","1") = "9"
    & skf18("10","9","2","9","4","10","1") = "9"
    & skf18("10","9","2","9","5","1","1") = "9"
    & skf18("10","9","2","9","5","2","1") = "9"
    & skf18("10","9","2","9","5","3","1") = "9"
    & skf18("10","9","2","9","5","4","1") = "9"
    & skf18("10","9","2","9","5","5","1") = "9"
    & skf18("10","9","2","9","5","6","1") = "9"
    & skf18("10","9","2","9","5","7","1") = "9"
    & skf18("10","9","2","9","5","8","1") = "9"
    & skf18("10","9","2","9","5","9","1") = "9"
    & skf18("10","9","2","9","5","10","1") = "9"
    & skf18("10","9","2","9","6","1","1") = "9"
    & skf18("10","9","2","9","6","2","1") = "9"
    & skf18("10","9","2","9","6","3","1") = "9"
    & skf18("10","9","2","9","6","4","1") = "9"
    & skf18("10","9","2","9","6","5","1") = "9"
    & skf18("10","9","2","9","6","6","1") = "9"
    & skf18("10","9","2","9","6","7","1") = "9"
    & skf18("10","9","2","9","6","8","1") = "9"
    & skf18("10","9","2","9","6","9","1") = "9"
    & skf18("10","9","2","9","6","10","1") = "9"
    & skf18("10","9","2","9","7","1","1") = "9"
    & skf18("10","9","2","9","7","2","1") = "9"
    & skf18("10","9","2","9","7","3","1") = "9"
    & skf18("10","9","2","9","7","4","1") = "9"
    & skf18("10","9","2","9","7","5","1") = "9"
    & skf18("10","9","2","9","7","6","1") = "9"
    & skf18("10","9","2","9","7","7","1") = "9"
    & skf18("10","9","2","9","7","8","1") = "9"
    & skf18("10","9","2","9","7","9","1") = "9"
    & skf18("10","9","2","9","7","10","1") = "9"
    & skf18("10","9","2","9","8","1","1") = "9"
    & skf18("10","9","2","9","8","2","1") = "9"
    & skf18("10","9","2","9","8","3","1") = "9"
    & skf18("10","9","2","9","8","4","1") = "9"
    & skf18("10","9","2","9","8","5","1") = "9"
    & skf18("10","9","2","9","8","6","1") = "9"
    & skf18("10","9","2","9","8","7","1") = "9"
    & skf18("10","9","2","9","8","8","1") = "9"
    & skf18("10","9","2","9","8","9","1") = "9"
    & skf18("10","9","2","9","8","10","1") = "9"
    & skf18("10","9","2","9","9","1","1") = "9"
    & skf18("10","9","2","9","9","2","1") = "9"
    & skf18("10","9","2","9","9","3","1") = "9"
    & skf18("10","9","2","9","9","4","1") = "9"
    & skf18("10","9","2","9","9","5","1") = "9"
    & skf18("10","9","2","9","9","6","1") = "9"
    & skf18("10","9","2","9","9","7","1") = "9"
    & skf18("10","9","2","9","9","8","1") = "9"
    & skf18("10","9","2","9","9","9","1") = "9"
    & skf18("10","9","2","9","9","10","1") = "9"
    & skf18("10","9","2","9","10","1","1") = "9"
    & skf18("10","9","2","9","10","2","1") = "9"
    & skf18("10","9","2","9","10","3","1") = "9"
    & skf18("10","9","2","9","10","4","1") = "9"
    & skf18("10","9","2","9","10","5","1") = "9"
    & skf18("10","9","2","9","10","6","1") = "9"
    & skf18("10","9","2","9","10","7","1") = "9"
    & skf18("10","9","2","9","10","8","1") = "9"
    & skf18("10","9","2","9","10","9","1") = "9"
    & skf18("10","9","2","9","10","10","1") = "9"
    & skf18("10","9","2","10","1","1","1") = "9"
    & skf18("10","9","2","10","1","2","1") = "9"
    & skf18("10","9","2","10","1","3","1") = "9"
    & skf18("10","9","2","10","1","4","1") = "9"
    & skf18("10","9","2","10","1","5","1") = "9"
    & skf18("10","9","2","10","1","6","1") = "9"
    & skf18("10","9","2","10","1","7","1") = "9"
    & skf18("10","9","2","10","1","8","1") = "9"
    & skf18("10","9","2","10","1","9","1") = "9"
    & skf18("10","9","2","10","1","10","1") = "9"
    & skf18("10","9","2","10","2","1","1") = "9"
    & skf18("10","9","2","10","2","2","1") = "9"
    & skf18("10","9","2","10","2","3","1") = "9"
    & skf18("10","9","2","10","2","4","1") = "9"
    & skf18("10","9","2","10","2","5","1") = "9"
    & skf18("10","9","2","10","2","6","1") = "9"
    & skf18("10","9","2","10","2","7","1") = "9"
    & skf18("10","9","2","10","2","8","1") = "9"
    & skf18("10","9","2","10","2","9","1") = "9"
    & skf18("10","9","2","10","2","10","1") = "9"
    & skf18("10","9","2","10","3","1","1") = "9"
    & skf18("10","9","2","10","3","2","1") = "9"
    & skf18("10","9","2","10","3","3","1") = "9"
    & skf18("10","9","2","10","3","4","1") = "9"
    & skf18("10","9","2","10","3","5","1") = "9"
    & skf18("10","9","2","10","3","6","1") = "9"
    & skf18("10","9","2","10","3","7","1") = "9"
    & skf18("10","9","2","10","3","8","1") = "9"
    & skf18("10","9","2","10","3","9","1") = "9"
    & skf18("10","9","2","10","3","10","1") = "9"
    & skf18("10","9","2","10","4","1","1") = "9"
    & skf18("10","9","2","10","4","2","1") = "9"
    & skf18("10","9","2","10","4","3","1") = "9"
    & skf18("10","9","2","10","4","4","1") = "9"
    & skf18("10","9","2","10","4","5","1") = "9"
    & skf18("10","9","2","10","4","6","1") = "9"
    & skf18("10","9","2","10","4","7","1") = "9"
    & skf18("10","9","2","10","4","8","1") = "9"
    & skf18("10","9","2","10","4","9","1") = "9"
    & skf18("10","9","2","10","4","10","1") = "9"
    & skf18("10","9","2","10","5","1","1") = "9"
    & skf18("10","9","2","10","5","2","1") = "9"
    & skf18("10","9","2","10","5","3","1") = "9"
    & skf18("10","9","2","10","5","4","1") = "9"
    & skf18("10","9","2","10","5","5","1") = "9"
    & skf18("10","9","2","10","5","6","1") = "9"
    & skf18("10","9","2","10","5","7","1") = "9"
    & skf18("10","9","2","10","5","8","1") = "9"
    & skf18("10","9","2","10","5","9","1") = "9"
    & skf18("10","9","2","10","5","10","1") = "9"
    & skf18("10","9","2","10","6","1","1") = "9"
    & skf18("10","9","2","10","6","2","1") = "9"
    & skf18("10","9","2","10","6","3","1") = "9"
    & skf18("10","9","2","10","6","4","1") = "9"
    & skf18("10","9","2","10","6","5","1") = "9"
    & skf18("10","9","2","10","6","6","1") = "9"
    & skf18("10","9","2","10","6","7","1") = "9"
    & skf18("10","9","2","10","6","8","1") = "9"
    & skf18("10","9","2","10","6","9","1") = "9"
    & skf18("10","9","2","10","6","10","1") = "9"
    & skf18("10","9","2","10","7","1","1") = "9"
    & skf18("10","9","2","10","7","2","1") = "9"
    & skf18("10","9","2","10","7","3","1") = "9"
    & skf18("10","9","2","10","7","4","1") = "9"
    & skf18("10","9","2","10","7","5","1") = "9"
    & skf18("10","9","2","10","7","6","1") = "9"
    & skf18("10","9","2","10","7","7","1") = "9"
    & skf18("10","9","2","10","7","8","1") = "9"
    & skf18("10","9","2","10","7","9","1") = "9"
    & skf18("10","9","2","10","7","10","1") = "9"
    & skf18("10","9","2","10","8","1","1") = "9"
    & skf18("10","9","2","10","8","2","1") = "9"
    & skf18("10","9","2","10","8","3","1") = "9"
    & skf18("10","9","2","10","8","4","1") = "9"
    & skf18("10","9","2","10","8","5","1") = "9"
    & skf18("10","9","2","10","8","6","1") = "9"
    & skf18("10","9","2","10","8","7","1") = "9"
    & skf18("10","9","2","10","8","8","1") = "9"
    & skf18("10","9","2","10","8","9","1") = "9"
    & skf18("10","9","2","10","8","10","1") = "9"
    & skf18("10","9","2","10","9","1","1") = "9"
    & skf18("10","9","2","10","9","2","1") = "9"
    & skf18("10","9","2","10","9","3","1") = "9"
    & skf18("10","9","2","10","9","4","1") = "9"
    & skf18("10","9","2","10","9","5","1") = "9"
    & skf18("10","9","2","10","9","6","1") = "9"
    & skf18("10","9","2","10","9","7","1") = "9"
    & skf18("10","9","2","10","9","8","1") = "9"
    & skf18("10","9","2","10","9","9","1") = "9"
    & skf18("10","9","2","10","9","10","1") = "9"
    & skf18("10","9","2","10","10","1","1") = "9"
    & skf18("10","9","2","10","10","2","1") = "9"
    & skf18("10","9","2","10","10","3","1") = "9"
    & skf18("10","9","2","10","10","4","1") = "9"
    & skf18("10","9","2","10","10","5","1") = "9"
    & skf18("10","9","2","10","10","6","1") = "9"
    & skf18("10","9","2","10","10","7","1") = "9"
    & skf18("10","9","2","10","10","8","1") = "9"
    & skf18("10","9","2","10","10","9","1") = "9"
    & skf18("10","9","2","10","10","10","1") = "9"
    & skf18("10","9","3","1","1","1","1") = "9"
    & skf18("10","9","3","1","1","2","1") = "9"
    & skf18("10","9","3","1","1","3","1") = "9"
    & skf18("10","9","3","1","1","4","1") = "9"
    & skf18("10","9","3","1","1","5","1") = "9"
    & skf18("10","9","3","1","1","6","1") = "9"
    & skf18("10","9","3","1","1","7","1") = "9"
    & skf18("10","9","3","1","1","8","1") = "9"
    & skf18("10","9","3","1","1","9","1") = "9"
    & skf18("10","9","3","1","1","10","1") = "9"
    & skf18("10","9","3","1","2","1","1") = "9"
    & skf18("10","9","3","1","2","2","1") = "9"
    & skf18("10","9","3","1","2","3","1") = "9"
    & skf18("10","9","3","1","2","4","1") = "9"
    & skf18("10","9","3","1","2","5","1") = "9"
    & skf18("10","9","3","1","2","6","1") = "9"
    & skf18("10","9","3","1","2","7","1") = "9"
    & skf18("10","9","3","1","2","8","1") = "9"
    & skf18("10","9","3","1","2","9","1") = "9"
    & skf18("10","9","3","1","2","10","1") = "9"
    & skf18("10","9","3","1","3","1","1") = "9"
    & skf18("10","9","3","1","3","2","1") = "9"
    & skf18("10","9","3","1","3","3","1") = "9"
    & skf18("10","9","3","1","3","4","1") = "9"
    & skf18("10","9","3","1","3","5","1") = "9"
    & skf18("10","9","3","1","3","6","1") = "9"
    & skf18("10","9","3","1","3","7","1") = "9"
    & skf18("10","9","3","1","3","8","1") = "9"
    & skf18("10","9","3","1","3","9","1") = "9"
    & skf18("10","9","3","1","3","10","1") = "9"
    & skf18("10","9","3","1","4","1","1") = "9"
    & skf18("10","9","3","1","4","2","1") = "9"
    & skf18("10","9","3","1","4","3","1") = "9"
    & skf18("10","9","3","1","4","4","1") = "9"
    & skf18("10","9","3","1","4","5","1") = "9"
    & skf18("10","9","3","1","4","6","1") = "9"
    & skf18("10","9","3","1","4","7","1") = "9"
    & skf18("10","9","3","1","4","8","1") = "9"
    & skf18("10","9","3","1","4","9","1") = "9"
    & skf18("10","9","3","1","4","10","1") = "9"
    & skf18("10","9","3","1","5","1","1") = "9"
    & skf18("10","9","3","1","5","2","1") = "9"
    & skf18("10","9","3","1","5","3","1") = "9"
    & skf18("10","9","3","1","5","4","1") = "9"
    & skf18("10","9","3","1","5","5","1") = "9"
    & skf18("10","9","3","1","5","6","1") = "9"
    & skf18("10","9","3","1","5","7","1") = "9"
    & skf18("10","9","3","1","5","8","1") = "9"
    & skf18("10","9","3","1","5","9","1") = "9"
    & skf18("10","9","3","1","5","10","1") = "9"
    & skf18("10","9","3","1","6","1","1") = "9"
    & skf18("10","9","3","1","6","2","1") = "9"
    & skf18("10","9","3","1","6","3","1") = "9"
    & skf18("10","9","3","1","6","4","1") = "9"
    & skf18("10","9","3","1","6","5","1") = "9"
    & skf18("10","9","3","1","6","6","1") = "9"
    & skf18("10","9","3","1","6","7","1") = "9"
    & skf18("10","9","3","1","6","8","1") = "9"
    & skf18("10","9","3","1","6","9","1") = "9"
    & skf18("10","9","3","1","6","10","1") = "9"
    & skf18("10","9","3","1","7","1","1") = "9"
    & skf18("10","9","3","1","7","2","1") = "9"
    & skf18("10","9","3","1","7","3","1") = "9"
    & skf18("10","9","3","1","7","4","1") = "9"
    & skf18("10","9","3","1","7","5","1") = "9"
    & skf18("10","9","3","1","7","6","1") = "9"
    & skf18("10","9","3","1","7","7","1") = "9"
    & skf18("10","9","3","1","7","8","1") = "9"
    & skf18("10","9","3","1","7","9","1") = "9"
    & skf18("10","9","3","1","7","10","1") = "9"
    & skf18("10","9","3","1","8","1","1") = "9"
    & skf18("10","9","3","1","8","2","1") = "9"
    & skf18("10","9","3","1","8","3","1") = "9"
    & skf18("10","9","3","1","8","4","1") = "9"
    & skf18("10","9","3","1","8","5","1") = "9"
    & skf18("10","9","3","1","8","6","1") = "9"
    & skf18("10","9","3","1","8","7","1") = "9"
    & skf18("10","9","3","1","8","8","1") = "9"
    & skf18("10","9","3","1","8","9","1") = "9"
    & skf18("10","9","3","1","8","10","1") = "9"
    & skf18("10","9","3","1","9","1","1") = "9"
    & skf18("10","9","3","1","9","2","1") = "9"
    & skf18("10","9","3","1","9","3","1") = "9"
    & skf18("10","9","3","1","9","4","1") = "9"
    & skf18("10","9","3","1","9","5","1") = "9"
    & skf18("10","9","3","1","9","6","1") = "9"
    & skf18("10","9","3","1","9","7","1") = "9"
    & skf18("10","9","3","1","9","8","1") = "9"
    & skf18("10","9","3","1","9","9","1") = "9"
    & skf18("10","9","3","1","9","10","1") = "9"
    & skf18("10","9","3","1","10","1","1") = "9"
    & skf18("10","9","3","1","10","2","1") = "9"
    & skf18("10","9","3","1","10","3","1") = "9"
    & skf18("10","9","3","1","10","4","1") = "9"
    & skf18("10","9","3","1","10","5","1") = "9"
    & skf18("10","9","3","1","10","6","1") = "9"
    & skf18("10","9","3","1","10","7","1") = "9"
    & skf18("10","9","3","1","10","8","1") = "9"
    & skf18("10","9","3","1","10","9","1") = "9"
    & skf18("10","9","3","1","10","10","1") = "9"
    & skf18("10","9","3","2","1","1","1") = "9"
    & skf18("10","9","3","2","1","2","1") = "9"
    & skf18("10","9","3","2","1","3","1") = "9"
    & skf18("10","9","3","2","1","4","1") = "9"
    & skf18("10","9","3","2","1","5","1") = "9"
    & skf18("10","9","3","2","1","6","1") = "9"
    & skf18("10","9","3","2","1","7","1") = "9"
    & skf18("10","9","3","2","1","8","1") = "9"
    & skf18("10","9","3","2","1","9","1") = "9"
    & skf18("10","9","3","2","1","10","1") = "9"
    & skf18("10","9","3","2","2","1","1") = "9"
    & skf18("10","9","3","2","2","2","1") = "9"
    & skf18("10","9","3","2","2","3","1") = "9"
    & skf18("10","9","3","2","2","4","1") = "9"
    & skf18("10","9","3","2","2","5","1") = "9"
    & skf18("10","9","3","2","2","6","1") = "9"
    & skf18("10","9","3","2","2","7","1") = "9"
    & skf18("10","9","3","2","2","8","1") = "9"
    & skf18("10","9","3","2","2","9","1") = "9"
    & skf18("10","9","3","2","2","10","1") = "9"
    & skf18("10","9","3","2","3","1","1") = "9"
    & skf18("10","9","3","2","3","2","1") = "9"
    & skf18("10","9","3","2","3","3","1") = "9"
    & skf18("10","9","3","2","3","4","1") = "9"
    & skf18("10","9","3","2","3","5","1") = "9"
    & skf18("10","9","3","2","3","6","1") = "9"
    & skf18("10","9","3","2","3","7","1") = "9"
    & skf18("10","9","3","2","3","8","1") = "9"
    & skf18("10","9","3","2","3","9","1") = "9"
    & skf18("10","9","3","2","3","10","1") = "9"
    & skf18("10","9","3","2","4","1","1") = "9"
    & skf18("10","9","3","2","4","2","1") = "9"
    & skf18("10","9","3","2","4","3","1") = "9"
    & skf18("10","9","3","2","4","4","1") = "9"
    & skf18("10","9","3","2","4","5","1") = "9"
    & skf18("10","9","3","2","4","6","1") = "9"
    & skf18("10","9","3","2","4","7","1") = "9"
    & skf18("10","9","3","2","4","8","1") = "9"
    & skf18("10","9","3","2","4","9","1") = "9"
    & skf18("10","9","3","2","4","10","1") = "9"
    & skf18("10","9","3","2","5","1","1") = "9"
    & skf18("10","9","3","2","5","2","1") = "9"
    & skf18("10","9","3","2","5","3","1") = "9"
    & skf18("10","9","3","2","5","4","1") = "9"
    & skf18("10","9","3","2","5","5","1") = "9"
    & skf18("10","9","3","2","5","6","1") = "9"
    & skf18("10","9","3","2","5","7","1") = "9"
    & skf18("10","9","3","2","5","8","1") = "9"
    & skf18("10","9","3","2","5","9","1") = "9"
    & skf18("10","9","3","2","5","10","1") = "9"
    & skf18("10","9","3","2","6","1","1") = "9"
    & skf18("10","9","3","2","6","2","1") = "9"
    & skf18("10","9","3","2","6","3","1") = "9"
    & skf18("10","9","3","2","6","4","1") = "9"
    & skf18("10","9","3","2","6","5","1") = "9"
    & skf18("10","9","3","2","6","6","1") = "9"
    & skf18("10","9","3","2","6","7","1") = "9"
    & skf18("10","9","3","2","6","8","1") = "9"
    & skf18("10","9","3","2","6","9","1") = "9"
    & skf18("10","9","3","2","6","10","1") = "9"
    & skf18("10","9","3","2","7","1","1") = "9"
    & skf18("10","9","3","2","7","2","1") = "9"
    & skf18("10","9","3","2","7","3","1") = "9"
    & skf18("10","9","3","2","7","4","1") = "9"
    & skf18("10","9","3","2","7","5","1") = "9"
    & skf18("10","9","3","2","7","6","1") = "9"
    & skf18("10","9","3","2","7","7","1") = "9"
    & skf18("10","9","3","2","7","8","1") = "9"
    & skf18("10","9","3","2","7","9","1") = "9"
    & skf18("10","9","3","2","7","10","1") = "9"
    & skf18("10","9","3","2","8","1","1") = "9"
    & skf18("10","9","3","2","8","2","1") = "9"
    & skf18("10","9","3","2","8","3","1") = "9"
    & skf18("10","9","3","2","8","4","1") = "9"
    & skf18("10","9","3","2","8","5","1") = "9"
    & skf18("10","9","3","2","8","6","1") = "9"
    & skf18("10","9","3","2","8","7","1") = "9"
    & skf18("10","9","3","2","8","8","1") = "9"
    & skf18("10","9","3","2","8","9","1") = "9"
    & skf18("10","9","3","2","8","10","1") = "9"
    & skf18("10","9","3","2","9","1","1") = "9"
    & skf18("10","9","3","2","9","2","1") = "9"
    & skf18("10","9","3","2","9","3","1") = "9"
    & skf18("10","9","3","2","9","4","1") = "9"
    & skf18("10","9","3","2","9","5","1") = "9"
    & skf18("10","9","3","2","9","6","1") = "9"
    & skf18("10","9","3","2","9","7","1") = "9"
    & skf18("10","9","3","2","9","8","1") = "9"
    & skf18("10","9","3","2","9","9","1") = "9"
    & skf18("10","9","3","2","9","10","1") = "9"
    & skf18("10","9","3","2","10","1","1") = "9"
    & skf18("10","9","3","2","10","2","1") = "9"
    & skf18("10","9","3","2","10","3","1") = "9"
    & skf18("10","9","3","2","10","4","1") = "9"
    & skf18("10","9","3","2","10","5","1") = "9"
    & skf18("10","9","3","2","10","6","1") = "9"
    & skf18("10","9","3","2","10","7","1") = "9"
    & skf18("10","9","3","2","10","8","1") = "9"
    & skf18("10","9","3","2","10","9","1") = "9"
    & skf18("10","9","3","2","10","10","1") = "9"
    & skf18("10","9","3","3","1","1","1") = "9"
    & skf18("10","9","3","3","1","2","1") = "9"
    & skf18("10","9","3","3","1","3","1") = "9"
    & skf18("10","9","3","3","1","4","1") = "9"
    & skf18("10","9","3","3","1","5","1") = "9"
    & skf18("10","9","3","3","1","6","1") = "9"
    & skf18("10","9","3","3","1","7","1") = "9"
    & skf18("10","9","3","3","1","8","1") = "9"
    & skf18("10","9","3","3","1","9","1") = "9"
    & skf18("10","9","3","3","1","10","1") = "9"
    & skf18("10","9","3","3","2","1","1") = "9"
    & skf18("10","9","3","3","2","2","1") = "9"
    & skf18("10","9","3","3","2","3","1") = "9"
    & skf18("10","9","3","3","2","4","1") = "9"
    & skf18("10","9","3","3","2","5","1") = "9"
    & skf18("10","9","3","3","2","6","1") = "9"
    & skf18("10","9","3","3","2","7","1") = "9"
    & skf18("10","9","3","3","2","8","1") = "9"
    & skf18("10","9","3","3","2","9","1") = "9"
    & skf18("10","9","3","3","2","10","1") = "9"
    & skf18("10","9","3","3","3","1","1") = "9"
    & skf18("10","9","3","3","3","2","1") = "9"
    & skf18("10","9","3","3","3","3","1") = "9"
    & skf18("10","9","3","3","3","4","1") = "9"
    & skf18("10","9","3","3","3","5","1") = "9"
    & skf18("10","9","3","3","3","6","1") = "9"
    & skf18("10","9","3","3","3","7","1") = "9"
    & skf18("10","9","3","3","3","8","1") = "9"
    & skf18("10","9","3","3","3","9","1") = "9"
    & skf18("10","9","3","3","3","10","1") = "9"
    & skf18("10","9","3","3","4","1","1") = "9"
    & skf18("10","9","3","3","4","2","1") = "9"
    & skf18("10","9","3","3","4","3","1") = "9"
    & skf18("10","9","3","3","4","4","1") = "9"
    & skf18("10","9","3","3","4","5","1") = "9"
    & skf18("10","9","3","3","4","6","1") = "9"
    & skf18("10","9","3","3","4","7","1") = "9"
    & skf18("10","9","3","3","4","8","1") = "9"
    & skf18("10","9","3","3","4","9","1") = "9"
    & skf18("10","9","3","3","4","10","1") = "9"
    & skf18("10","9","3","3","5","1","1") = "9"
    & skf18("10","9","3","3","5","2","1") = "9"
    & skf18("10","9","3","3","5","3","1") = "9"
    & skf18("10","9","3","3","5","4","1") = "9"
    & skf18("10","9","3","3","5","5","1") = "9"
    & skf18("10","9","3","3","5","6","1") = "9"
    & skf18("10","9","3","3","5","7","1") = "9"
    & skf18("10","9","3","3","5","8","1") = "9"
    & skf18("10","9","3","3","5","9","1") = "9"
    & skf18("10","9","3","3","5","10","1") = "9"
    & skf18("10","9","3","3","6","1","1") = "9"
    & skf18("10","9","3","3","6","2","1") = "9"
    & skf18("10","9","3","3","6","3","1") = "9"
    & skf18("10","9","3","3","6","4","1") = "9"
    & skf18("10","9","3","3","6","5","1") = "9"
    & skf18("10","9","3","3","6","6","1") = "9"
    & skf18("10","9","3","3","6","7","1") = "9"
    & skf18("10","9","3","3","6","8","1") = "9"
    & skf18("10","9","3","3","6","9","1") = "9"
    & skf18("10","9","3","3","6","10","1") = "9"
    & skf18("10","9","3","3","7","1","1") = "9"
    & skf18("10","9","3","3","7","2","1") = "9"
    & skf18("10","9","3","3","7","3","1") = "9"
    & skf18("10","9","3","3","7","4","1") = "9"
    & skf18("10","9","3","3","7","5","1") = "9"
    & skf18("10","9","3","3","7","6","1") = "9"
    & skf18("10","9","3","3","7","7","1") = "9"
    & skf18("10","9","3","3","7","8","1") = "9"
    & skf18("10","9","3","3","7","9","1") = "9"
    & skf18("10","9","3","3","7","10","1") = "9"
    & skf18("10","9","3","3","8","1","1") = "9"
    & skf18("10","9","3","3","8","2","1") = "9"
    & skf18("10","9","3","3","8","3","1") = "9"
    & skf18("10","9","3","3","8","4","1") = "9"
    & skf18("10","9","3","3","8","5","1") = "9"
    & skf18("10","9","3","3","8","6","1") = "9"
    & skf18("10","9","3","3","8","7","1") = "9"
    & skf18("10","9","3","3","8","8","1") = "9"
    & skf18("10","9","3","3","8","9","1") = "9"
    & skf18("10","9","3","3","8","10","1") = "9"
    & skf18("10","9","3","3","9","1","1") = "9"
    & skf18("10","9","3","3","9","2","1") = "9"
    & skf18("10","9","3","3","9","3","1") = "9"
    & skf18("10","9","3","3","9","4","1") = "9"
    & skf18("10","9","3","3","9","5","1") = "9"
    & skf18("10","9","3","3","9","6","1") = "9"
    & skf18("10","9","3","3","9","7","1") = "9"
    & skf18("10","9","3","3","9","8","1") = "9"
    & skf18("10","9","3","3","9","9","1") = "9"
    & skf18("10","9","3","3","9","10","1") = "9"
    & skf18("10","9","3","3","10","1","1") = "9"
    & skf18("10","9","3","3","10","2","1") = "9"
    & skf18("10","9","3","3","10","3","1") = "9"
    & skf18("10","9","3","3","10","4","1") = "9"
    & skf18("10","9","3","3","10","5","1") = "9"
    & skf18("10","9","3","3","10","6","1") = "9"
    & skf18("10","9","3","3","10","7","1") = "9"
    & skf18("10","9","3","3","10","8","1") = "9"
    & skf18("10","9","3","3","10","9","1") = "9"
    & skf18("10","9","3","3","10","10","1") = "9"
    & skf18("10","9","3","4","1","1","1") = "9"
    & skf18("10","9","3","4","1","2","1") = "9"
    & skf18("10","9","3","4","1","3","1") = "9"
    & skf18("10","9","3","4","1","4","1") = "9"
    & skf18("10","9","3","4","1","5","1") = "9"
    & skf18("10","9","3","4","1","6","1") = "9"
    & skf18("10","9","3","4","1","7","1") = "9"
    & skf18("10","9","3","4","1","8","1") = "9"
    & skf18("10","9","3","4","1","9","1") = "9"
    & skf18("10","9","3","4","1","10","1") = "9"
    & skf18("10","9","3","4","2","1","1") = "9"
    & skf18("10","9","3","4","2","2","1") = "9"
    & skf18("10","9","3","4","2","3","1") = "9"
    & skf18("10","9","3","4","2","4","1") = "9"
    & skf18("10","9","3","4","2","5","1") = "9"
    & skf18("10","9","3","4","2","6","1") = "9"
    & skf18("10","9","3","4","2","7","1") = "9"
    & skf18("10","9","3","4","2","8","1") = "9"
    & skf18("10","9","3","4","2","9","1") = "9"
    & skf18("10","9","3","4","2","10","1") = "9"
    & skf18("10","9","3","4","3","1","1") = "9"
    & skf18("10","9","3","4","3","2","1") = "9"
    & skf18("10","9","3","4","3","3","1") = "9"
    & skf18("10","9","3","4","3","4","1") = "9"
    & skf18("10","9","3","4","3","5","1") = "9"
    & skf18("10","9","3","4","3","6","1") = "9"
    & skf18("10","9","3","4","3","7","1") = "9"
    & skf18("10","9","3","4","3","8","1") = "9"
    & skf18("10","9","3","4","3","9","1") = "9"
    & skf18("10","9","3","4","3","10","1") = "9"
    & skf18("10","9","3","4","4","1","1") = "9"
    & skf18("10","9","3","4","4","2","1") = "9"
    & skf18("10","9","3","4","4","3","1") = "9"
    & skf18("10","9","3","4","4","4","1") = "9"
    & skf18("10","9","3","4","4","5","1") = "9"
    & skf18("10","9","3","4","4","6","1") = "9"
    & skf18("10","9","3","4","4","7","1") = "9"
    & skf18("10","9","3","4","4","8","1") = "9"
    & skf18("10","9","3","4","4","9","1") = "9"
    & skf18("10","9","3","4","4","10","1") = "9"
    & skf18("10","9","3","4","5","1","1") = "9"
    & skf18("10","9","3","4","5","2","1") = "9"
    & skf18("10","9","3","4","5","3","1") = "9"
    & skf18("10","9","3","4","5","4","1") = "9"
    & skf18("10","9","3","4","5","5","1") = "9"
    & skf18("10","9","3","4","5","6","1") = "9"
    & skf18("10","9","3","4","5","7","1") = "9"
    & skf18("10","9","3","4","5","8","1") = "9"
    & skf18("10","9","3","4","5","9","1") = "9"
    & skf18("10","9","3","4","5","10","1") = "9"
    & skf18("10","9","3","4","6","1","1") = "9"
    & skf18("10","9","3","4","6","2","1") = "9"
    & skf18("10","9","3","4","6","3","1") = "9"
    & skf18("10","9","3","4","6","4","1") = "9"
    & skf18("10","9","3","4","6","5","1") = "9"
    & skf18("10","9","3","4","6","6","1") = "9"
    & skf18("10","9","3","4","6","7","1") = "9"
    & skf18("10","9","3","4","6","8","1") = "9"
    & skf18("10","9","3","4","6","9","1") = "9"
    & skf18("10","9","3","4","6","10","1") = "9"
    & skf18("10","9","3","4","7","1","1") = "9"
    & skf18("10","9","3","4","7","2","1") = "9"
    & skf18("10","9","3","4","7","3","1") = "9"
    & skf18("10","9","3","4","7","4","1") = "9"
    & skf18("10","9","3","4","7","5","1") = "9"
    & skf18("10","9","3","4","7","6","1") = "9"
    & skf18("10","9","3","4","7","7","1") = "9"
    & skf18("10","9","3","4","7","8","1") = "9"
    & skf18("10","9","3","4","7","9","1") = "9"
    & skf18("10","9","3","4","7","10","1") = "9"
    & skf18("10","9","3","4","8","1","1") = "9"
    & skf18("10","9","3","4","8","2","1") = "9"
    & skf18("10","9","3","4","8","3","1") = "9"
    & skf18("10","9","3","4","8","4","1") = "9"
    & skf18("10","9","3","4","8","5","1") = "9"
    & skf18("10","9","3","4","8","6","1") = "9"
    & skf18("10","9","3","4","8","7","1") = "9"
    & skf18("10","9","3","4","8","8","1") = "9"
    & skf18("10","9","3","4","8","9","1") = "9"
    & skf18("10","9","3","4","8","10","1") = "9"
    & skf18("10","9","3","4","9","1","1") = "9"
    & skf18("10","9","3","4","9","2","1") = "9"
    & skf18("10","9","3","4","9","3","1") = "9"
    & skf18("10","9","3","4","9","4","1") = "9"
    & skf18("10","9","3","4","9","5","1") = "9"
    & skf18("10","9","3","4","9","6","1") = "9"
    & skf18("10","9","3","4","9","7","1") = "9"
    & skf18("10","9","3","4","9","8","1") = "9"
    & skf18("10","9","3","4","9","9","1") = "9"
    & skf18("10","9","3","4","9","10","1") = "9"
    & skf18("10","9","3","4","10","1","1") = "9"
    & skf18("10","9","3","4","10","2","1") = "9"
    & skf18("10","9","3","4","10","3","1") = "9"
    & skf18("10","9","3","4","10","4","1") = "9"
    & skf18("10","9","3","4","10","5","1") = "9"
    & skf18("10","9","3","4","10","6","1") = "9"
    & skf18("10","9","3","4","10","7","1") = "9"
    & skf18("10","9","3","4","10","8","1") = "9"
    & skf18("10","9","3","4","10","9","1") = "9"
    & skf18("10","9","3","4","10","10","1") = "9"
    & skf18("10","9","3","5","1","1","1") = "9"
    & skf18("10","9","3","5","1","2","1") = "9"
    & skf18("10","9","3","5","1","3","1") = "9"
    & skf18("10","9","3","5","1","4","1") = "9"
    & skf18("10","9","3","5","1","5","1") = "9"
    & skf18("10","9","3","5","1","6","1") = "9"
    & skf18("10","9","3","5","1","7","1") = "9"
    & skf18("10","9","3","5","1","8","1") = "9"
    & skf18("10","9","3","5","1","9","1") = "9"
    & skf18("10","9","3","5","1","10","1") = "9"
    & skf18("10","9","3","5","2","1","1") = "9"
    & skf18("10","9","3","5","2","2","1") = "9"
    & skf18("10","9","3","5","2","3","1") = "9"
    & skf18("10","9","3","5","2","4","1") = "9"
    & skf18("10","9","3","5","2","5","1") = "9"
    & skf18("10","9","3","5","2","6","1") = "9"
    & skf18("10","9","3","5","2","7","1") = "9"
    & skf18("10","9","3","5","2","8","1") = "9"
    & skf18("10","9","3","5","2","9","1") = "9"
    & skf18("10","9","3","5","2","10","1") = "9"
    & skf18("10","9","3","5","3","1","1") = "9"
    & skf18("10","9","3","5","3","2","1") = "9"
    & skf18("10","9","3","5","3","3","1") = "9"
    & skf18("10","9","3","5","3","4","1") = "9"
    & skf18("10","9","3","5","3","5","1") = "9"
    & skf18("10","9","3","5","3","6","1") = "9"
    & skf18("10","9","3","5","3","7","1") = "9"
    & skf18("10","9","3","5","3","8","1") = "9"
    & skf18("10","9","3","5","3","9","1") = "9"
    & skf18("10","9","3","5","3","10","1") = "9"
    & skf18("10","9","3","5","4","1","1") = "9"
    & skf18("10","9","3","5","4","2","1") = "9"
    & skf18("10","9","3","5","4","3","1") = "9"
    & skf18("10","9","3","5","4","4","1") = "9"
    & skf18("10","9","3","5","4","5","1") = "9"
    & skf18("10","9","3","5","4","6","1") = "9"
    & skf18("10","9","3","5","4","7","1") = "9"
    & skf18("10","9","3","5","4","8","1") = "9"
    & skf18("10","9","3","5","4","9","1") = "9"
    & skf18("10","9","3","5","4","10","1") = "9"
    & skf18("10","9","3","5","5","1","1") = "9"
    & skf18("10","9","3","5","5","2","1") = "9"
    & skf18("10","9","3","5","5","3","1") = "9"
    & skf18("10","9","3","5","5","4","1") = "9"
    & skf18("10","9","3","5","5","5","1") = "9"
    & skf18("10","9","3","5","5","6","1") = "9"
    & skf18("10","9","3","5","5","7","1") = "9"
    & skf18("10","9","3","5","5","8","1") = "9"
    & skf18("10","9","3","5","5","9","1") = "9"
    & skf18("10","9","3","5","5","10","1") = "9"
    & skf18("10","9","3","5","6","1","1") = "9"
    & skf18("10","9","3","5","6","2","1") = "9"
    & skf18("10","9","3","5","6","3","1") = "9"
    & skf18("10","9","3","5","6","4","1") = "9"
    & skf18("10","9","3","5","6","5","1") = "9"
    & skf18("10","9","3","5","6","6","1") = "9"
    & skf18("10","9","3","5","6","7","1") = "9"
    & skf18("10","9","3","5","6","8","1") = "9"
    & skf18("10","9","3","5","6","9","1") = "9"
    & skf18("10","9","3","5","6","10","1") = "9"
    & skf18("10","9","3","5","7","1","1") = "9"
    & skf18("10","9","3","5","7","2","1") = "9"
    & skf18("10","9","3","5","7","3","1") = "9"
    & skf18("10","9","3","5","7","4","1") = "9"
    & skf18("10","9","3","5","7","5","1") = "9"
    & skf18("10","9","3","5","7","6","1") = "9"
    & skf18("10","9","3","5","7","7","1") = "9"
    & skf18("10","9","3","5","7","8","1") = "9"
    & skf18("10","9","3","5","7","9","1") = "9"
    & skf18("10","9","3","5","7","10","1") = "9"
    & skf18("10","9","3","5","8","1","1") = "9"
    & skf18("10","9","3","5","8","2","1") = "9"
    & skf18("10","9","3","5","8","3","1") = "9"
    & skf18("10","9","3","5","8","4","1") = "9"
    & skf18("10","9","3","5","8","5","1") = "9"
    & skf18("10","9","3","5","8","6","1") = "9"
    & skf18("10","9","3","5","8","7","1") = "9"
    & skf18("10","9","3","5","8","8","1") = "9"
    & skf18("10","9","3","5","8","9","1") = "9"
    & skf18("10","9","3","5","8","10","1") = "9"
    & skf18("10","9","3","5","9","1","1") = "9"
    & skf18("10","9","3","5","9","2","1") = "9"
    & skf18("10","9","3","5","9","3","1") = "9"
    & skf18("10","9","3","5","9","4","1") = "9"
    & skf18("10","9","3","5","9","5","1") = "9"
    & skf18("10","9","3","5","9","6","1") = "9"
    & skf18("10","9","3","5","9","7","1") = "9"
    & skf18("10","9","3","5","9","8","1") = "9"
    & skf18("10","9","3","5","9","9","1") = "9"
    & skf18("10","9","3","5","9","10","1") = "9"
    & skf18("10","9","3","5","10","1","1") = "9"
    & skf18("10","9","3","5","10","2","1") = "9"
    & skf18("10","9","3","5","10","3","1") = "9"
    & skf18("10","9","3","5","10","4","1") = "9"
    & skf18("10","9","3","5","10","5","1") = "9"
    & skf18("10","9","3","5","10","6","1") = "9"
    & skf18("10","9","3","5","10","7","1") = "9"
    & skf18("10","9","3","5","10","8","1") = "9"
    & skf18("10","9","3","5","10","9","1") = "9"
    & skf18("10","9","3","5","10","10","1") = "9"
    & skf18("10","9","3","6","1","1","1") = "9"
    & skf18("10","9","3","6","1","2","1") = "9"
    & skf18("10","9","3","6","1","3","1") = "9"
    & skf18("10","9","3","6","1","4","1") = "9"
    & skf18("10","9","3","6","1","5","1") = "9"
    & skf18("10","9","3","6","1","6","1") = "9"
    & skf18("10","9","3","6","1","7","1") = "9"
    & skf18("10","9","3","6","1","8","1") = "9"
    & skf18("10","9","3","6","1","9","1") = "9"
    & skf18("10","9","3","6","1","10","1") = "9"
    & skf18("10","9","3","6","2","1","1") = "9"
    & skf18("10","9","3","6","2","2","1") = "9"
    & skf18("10","9","3","6","2","3","1") = "9"
    & skf18("10","9","3","6","2","4","1") = "9"
    & skf18("10","9","3","6","2","5","1") = "9"
    & skf18("10","9","3","6","2","6","1") = "9"
    & skf18("10","9","3","6","2","7","1") = "9"
    & skf18("10","9","3","6","2","8","1") = "9"
    & skf18("10","9","3","6","2","9","1") = "9"
    & skf18("10","9","3","6","2","10","1") = "9"
    & skf18("10","9","3","6","3","1","1") = "9"
    & skf18("10","9","3","6","3","2","1") = "9"
    & skf18("10","9","3","6","3","3","1") = "9"
    & skf18("10","9","3","6","3","4","1") = "9"
    & skf18("10","9","3","6","3","5","1") = "9"
    & skf18("10","9","3","6","3","6","1") = "9"
    & skf18("10","9","3","6","3","7","1") = "9"
    & skf18("10","9","3","6","3","8","1") = "9"
    & skf18("10","9","3","6","3","9","1") = "9"
    & skf18("10","9","3","6","3","10","1") = "9"
    & skf18("10","9","3","6","4","1","1") = "9"
    & skf18("10","9","3","6","4","2","1") = "9"
    & skf18("10","9","3","6","4","3","1") = "9"
    & skf18("10","9","3","6","4","4","1") = "9"
    & skf18("10","9","3","6","4","5","1") = "9"
    & skf18("10","9","3","6","4","6","1") = "9"
    & skf18("10","9","3","6","4","7","1") = "9"
    & skf18("10","9","3","6","4","8","1") = "9"
    & skf18("10","9","3","6","4","9","1") = "9"
    & skf18("10","9","3","6","4","10","1") = "9"
    & skf18("10","9","3","6","5","1","1") = "9"
    & skf18("10","9","3","6","5","2","1") = "9"
    & skf18("10","9","3","6","5","3","1") = "9"
    & skf18("10","9","3","6","5","4","1") = "9"
    & skf18("10","9","3","6","5","5","1") = "9"
    & skf18("10","9","3","6","5","6","1") = "9"
    & skf18("10","9","3","6","5","7","1") = "9"
    & skf18("10","9","3","6","5","8","1") = "9"
    & skf18("10","9","3","6","5","9","1") = "9"
    & skf18("10","9","3","6","5","10","1") = "9"
    & skf18("10","9","3","6","6","1","1") = "9"
    & skf18("10","9","3","6","6","2","1") = "9"
    & skf18("10","9","3","6","6","3","1") = "9"
    & skf18("10","9","3","6","6","4","1") = "9"
    & skf18("10","9","3","6","6","5","1") = "9"
    & skf18("10","9","3","6","6","6","1") = "9"
    & skf18("10","9","3","6","6","7","1") = "9"
    & skf18("10","9","3","6","6","8","1") = "9"
    & skf18("10","9","3","6","6","9","1") = "9"
    & skf18("10","9","3","6","6","10","1") = "9"
    & skf18("10","9","3","6","7","1","1") = "9"
    & skf18("10","9","3","6","7","2","1") = "9"
    & skf18("10","9","3","6","7","3","1") = "9"
    & skf18("10","9","3","6","7","4","1") = "9"
    & skf18("10","9","3","6","7","5","1") = "9"
    & skf18("10","9","3","6","7","6","1") = "9"
    & skf18("10","9","3","6","7","7","1") = "9"
    & skf18("10","9","3","6","7","8","1") = "9"
    & skf18("10","9","3","6","7","9","1") = "9"
    & skf18("10","9","3","6","7","10","1") = "9"
    & skf18("10","9","3","6","8","1","1") = "9"
    & skf18("10","9","3","6","8","2","1") = "9"
    & skf18("10","9","3","6","8","3","1") = "9"
    & skf18("10","9","3","6","8","4","1") = "9"
    & skf18("10","9","3","6","8","5","1") = "9"
    & skf18("10","9","3","6","8","6","1") = "9"
    & skf18("10","9","3","6","8","7","1") = "9"
    & skf18("10","9","3","6","8","8","1") = "9"
    & skf18("10","9","3","6","8","9","1") = "9"
    & skf18("10","9","3","6","8","10","1") = "9"
    & skf18("10","9","3","6","9","1","1") = "9"
    & skf18("10","9","3","6","9","2","1") = "9"
    & skf18("10","9","3","6","9","3","1") = "9"
    & skf18("10","9","3","6","9","4","1") = "9"
    & skf18("10","9","3","6","9","5","1") = "9"
    & skf18("10","9","3","6","9","6","1") = "9"
    & skf18("10","9","3","6","9","7","1") = "9"
    & skf18("10","9","3","6","9","8","1") = "9"
    & skf18("10","9","3","6","9","9","1") = "9"
    & skf18("10","9","3","6","9","10","1") = "9"
    & skf18("10","9","3","6","10","1","1") = "9"
    & skf18("10","9","3","6","10","2","1") = "9"
    & skf18("10","9","3","6","10","3","1") = "9"
    & skf18("10","9","3","6","10","4","1") = "9"
    & skf18("10","9","3","6","10","5","1") = "9"
    & skf18("10","9","3","6","10","6","1") = "9"
    & skf18("10","9","3","6","10","7","1") = "9"
    & skf18("10","9","3","6","10","8","1") = "9"
    & skf18("10","9","3","6","10","9","1") = "9"
    & skf18("10","9","3","6","10","10","1") = "9"
    & skf18("10","9","3","7","1","1","1") = "9"
    & skf18("10","9","3","7","1","2","1") = "9"
    & skf18("10","9","3","7","1","3","1") = "9"
    & skf18("10","9","3","7","1","4","1") = "9"
    & skf18("10","9","3","7","1","5","1") = "9"
    & skf18("10","9","3","7","1","6","1") = "9"
    & skf18("10","9","3","7","1","7","1") = "9"
    & skf18("10","9","3","7","1","8","1") = "9"
    & skf18("10","9","3","7","1","9","1") = "9"
    & skf18("10","9","3","7","1","10","1") = "9"
    & skf18("10","9","3","7","2","1","1") = "9"
    & skf18("10","9","3","7","2","2","1") = "9"
    & skf18("10","9","3","7","2","3","1") = "9"
    & skf18("10","9","3","7","2","4","1") = "9"
    & skf18("10","9","3","7","2","5","1") = "9"
    & skf18("10","9","3","7","2","6","1") = "9"
    & skf18("10","9","3","7","2","7","1") = "9"
    & skf18("10","9","3","7","2","8","1") = "9"
    & skf18("10","9","3","7","2","9","1") = "9"
    & skf18("10","9","3","7","2","10","1") = "9"
    & skf18("10","9","3","7","3","1","1") = "9"
    & skf18("10","9","3","7","3","2","1") = "9"
    & skf18("10","9","3","7","3","3","1") = "9"
    & skf18("10","9","3","7","3","4","1") = "9"
    & skf18("10","9","3","7","3","5","1") = "9"
    & skf18("10","9","3","7","3","6","1") = "9"
    & skf18("10","9","3","7","3","7","1") = "9"
    & skf18("10","9","3","7","3","8","1") = "9"
    & skf18("10","9","3","7","3","9","1") = "9"
    & skf18("10","9","3","7","3","10","1") = "9"
    & skf18("10","9","3","7","4","1","1") = "9"
    & skf18("10","9","3","7","4","2","1") = "9"
    & skf18("10","9","3","7","4","3","1") = "9"
    & skf18("10","9","3","7","4","4","1") = "9"
    & skf18("10","9","3","7","4","5","1") = "9"
    & skf18("10","9","3","7","4","6","1") = "9"
    & skf18("10","9","3","7","4","7","1") = "9"
    & skf18("10","9","3","7","4","8","1") = "9"
    & skf18("10","9","3","7","4","9","1") = "9"
    & skf18("10","9","3","7","4","10","1") = "9"
    & skf18("10","9","3","7","5","1","1") = "9"
    & skf18("10","9","3","7","5","2","1") = "9"
    & skf18("10","9","3","7","5","3","1") = "9"
    & skf18("10","9","3","7","5","4","1") = "9"
    & skf18("10","9","3","7","5","5","1") = "9"
    & skf18("10","9","3","7","5","6","1") = "9"
    & skf18("10","9","3","7","5","7","1") = "9"
    & skf18("10","9","3","7","5","8","1") = "9"
    & skf18("10","9","3","7","5","9","1") = "9"
    & skf18("10","9","3","7","5","10","1") = "9"
    & skf18("10","9","3","7","6","1","1") = "9"
    & skf18("10","9","3","7","6","2","1") = "9"
    & skf18("10","9","3","7","6","3","1") = "9"
    & skf18("10","9","3","7","6","4","1") = "9"
    & skf18("10","9","3","7","6","5","1") = "9"
    & skf18("10","9","3","7","6","6","1") = "9"
    & skf18("10","9","3","7","6","7","1") = "9"
    & skf18("10","9","3","7","6","8","1") = "9"
    & skf18("10","9","3","7","6","9","1") = "9"
    & skf18("10","9","3","7","6","10","1") = "9"
    & skf18("10","9","3","7","7","1","1") = "9"
    & skf18("10","9","3","7","7","2","1") = "9"
    & skf18("10","9","3","7","7","3","1") = "9"
    & skf18("10","9","3","7","7","4","1") = "9"
    & skf18("10","9","3","7","7","5","1") = "9"
    & skf18("10","9","3","7","7","6","1") = "9"
    & skf18("10","9","3","7","7","7","1") = "9"
    & skf18("10","9","3","7","7","8","1") = "9"
    & skf18("10","9","3","7","7","9","1") = "9"
    & skf18("10","9","3","7","7","10","1") = "9"
    & skf18("10","9","3","7","8","1","1") = "9"
    & skf18("10","9","3","7","8","2","1") = "9"
    & skf18("10","9","3","7","8","3","1") = "9"
    & skf18("10","9","3","7","8","4","1") = "9"
    & skf18("10","9","3","7","8","5","1") = "9"
    & skf18("10","9","3","7","8","6","1") = "9"
    & skf18("10","9","3","7","8","7","1") = "9"
    & skf18("10","9","3","7","8","8","1") = "9"
    & skf18("10","9","3","7","8","9","1") = "9"
    & skf18("10","9","3","7","8","10","1") = "9"
    & skf18("10","9","3","7","9","1","1") = "9"
    & skf18("10","9","3","7","9","2","1") = "9"
    & skf18("10","9","3","7","9","3","1") = "9"
    & skf18("10","9","3","7","9","4","1") = "9"
    & skf18("10","9","3","7","9","5","1") = "9"
    & skf18("10","9","3","7","9","6","1") = "9"
    & skf18("10","9","3","7","9","7","1") = "9"
    & skf18("10","9","3","7","9","8","1") = "9"
    & skf18("10","9","3","7","9","9","1") = "9"
    & skf18("10","9","3","7","9","10","1") = "9"
    & skf18("10","9","3","7","10","1","1") = "9"
    & skf18("10","9","3","7","10","2","1") = "9"
    & skf18("10","9","3","7","10","3","1") = "9"
    & skf18("10","9","3","7","10","4","1") = "9"
    & skf18("10","9","3","7","10","5","1") = "9"
    & skf18("10","9","3","7","10","6","1") = "9"
    & skf18("10","9","3","7","10","7","1") = "9"
    & skf18("10","9","3","7","10","8","1") = "9"
    & skf18("10","9","3","7","10","9","1") = "9"
    & skf18("10","9","3","7","10","10","1") = "9"
    & skf18("10","9","3","8","1","1","1") = "9"
    & skf18("10","9","3","8","1","2","1") = "9"
    & skf18("10","9","3","8","1","3","1") = "9"
    & skf18("10","9","3","8","1","4","1") = "9"
    & skf18("10","9","3","8","1","5","1") = "9"
    & skf18("10","9","3","8","1","6","1") = "9"
    & skf18("10","9","3","8","1","7","1") = "9"
    & skf18("10","9","3","8","1","8","1") = "9"
    & skf18("10","9","3","8","1","9","1") = "9"
    & skf18("10","9","3","8","1","10","1") = "9"
    & skf18("10","9","3","8","2","1","1") = "9"
    & skf18("10","9","3","8","2","2","1") = "9"
    & skf18("10","9","3","8","2","3","1") = "9"
    & skf18("10","9","3","8","2","4","1") = "9"
    & skf18("10","9","3","8","2","5","1") = "9"
    & skf18("10","9","3","8","2","6","1") = "9"
    & skf18("10","9","3","8","2","7","1") = "9"
    & skf18("10","9","3","8","2","8","1") = "9"
    & skf18("10","9","3","8","2","9","1") = "9"
    & skf18("10","9","3","8","2","10","1") = "9"
    & skf18("10","9","3","8","3","1","1") = "9"
    & skf18("10","9","3","8","3","2","1") = "9"
    & skf18("10","9","3","8","3","3","1") = "9"
    & skf18("10","9","3","8","3","4","1") = "9"
    & skf18("10","9","3","8","3","5","1") = "9"
    & skf18("10","9","3","8","3","6","1") = "9"
    & skf18("10","9","3","8","3","7","1") = "9"
    & skf18("10","9","3","8","3","8","1") = "9"
    & skf18("10","9","3","8","3","9","1") = "9"
    & skf18("10","9","3","8","3","10","1") = "9"
    & skf18("10","9","3","8","4","1","1") = "9"
    & skf18("10","9","3","8","4","2","1") = "9"
    & skf18("10","9","3","8","4","3","1") = "9"
    & skf18("10","9","3","8","4","4","1") = "9"
    & skf18("10","9","3","8","4","5","1") = "9"
    & skf18("10","9","3","8","4","6","1") = "9"
    & skf18("10","9","3","8","4","7","1") = "9"
    & skf18("10","9","3","8","4","8","1") = "9"
    & skf18("10","9","3","8","4","9","1") = "9"
    & skf18("10","9","3","8","4","10","1") = "9"
    & skf18("10","9","3","8","5","1","1") = "9"
    & skf18("10","9","3","8","5","2","1") = "9"
    & skf18("10","9","3","8","5","3","1") = "9"
    & skf18("10","9","3","8","5","4","1") = "9"
    & skf18("10","9","3","8","5","5","1") = "9"
    & skf18("10","9","3","8","5","6","1") = "9"
    & skf18("10","9","3","8","5","7","1") = "9"
    & skf18("10","9","3","8","5","8","1") = "9"
    & skf18("10","9","3","8","5","9","1") = "9"
    & skf18("10","9","3","8","5","10","1") = "9"
    & skf18("10","9","3","8","6","1","1") = "9"
    & skf18("10","9","3","8","6","2","1") = "9"
    & skf18("10","9","3","8","6","3","1") = "9"
    & skf18("10","9","3","8","6","4","1") = "9"
    & skf18("10","9","3","8","6","5","1") = "9"
    & skf18("10","9","3","8","6","6","1") = "9"
    & skf18("10","9","3","8","6","7","1") = "9"
    & skf18("10","9","3","8","6","8","1") = "9"
    & skf18("10","9","3","8","6","9","1") = "9"
    & skf18("10","9","3","8","6","10","1") = "9"
    & skf18("10","9","3","8","7","1","1") = "9"
    & skf18("10","9","3","8","7","2","1") = "9"
    & skf18("10","9","3","8","7","3","1") = "9"
    & skf18("10","9","3","8","7","4","1") = "9"
    & skf18("10","9","3","8","7","5","1") = "9"
    & skf18("10","9","3","8","7","6","1") = "9"
    & skf18("10","9","3","8","7","7","1") = "9"
    & skf18("10","9","3","8","7","8","1") = "9"
    & skf18("10","9","3","8","7","9","1") = "9"
    & skf18("10","9","3","8","7","10","1") = "9"
    & skf18("10","9","3","8","8","1","1") = "9"
    & skf18("10","9","3","8","8","2","1") = "9"
    & skf18("10","9","3","8","8","3","1") = "9"
    & skf18("10","9","3","8","8","4","1") = "9"
    & skf18("10","9","3","8","8","5","1") = "9"
    & skf18("10","9","3","8","8","6","1") = "9"
    & skf18("10","9","3","8","8","7","1") = "9"
    & skf18("10","9","3","8","8","8","1") = "9"
    & skf18("10","9","3","8","8","9","1") = "9"
    & skf18("10","9","3","8","8","10","1") = "9"
    & skf18("10","9","3","8","9","1","1") = "9"
    & skf18("10","9","3","8","9","2","1") = "9"
    & skf18("10","9","3","8","9","3","1") = "9"
    & skf18("10","9","3","8","9","4","1") = "9"
    & skf18("10","9","3","8","9","5","1") = "9"
    & skf18("10","9","3","8","9","6","1") = "9"
    & skf18("10","9","3","8","9","7","1") = "9"
    & skf18("10","9","3","8","9","8","1") = "9"
    & skf18("10","9","3","8","9","9","1") = "9"
    & skf18("10","9","3","8","9","10","1") = "9"
    & skf18("10","9","3","8","10","1","1") = "9"
    & skf18("10","9","3","8","10","2","1") = "9"
    & skf18("10","9","3","8","10","3","1") = "9"
    & skf18("10","9","3","8","10","4","1") = "9"
    & skf18("10","9","3","8","10","5","1") = "9"
    & skf18("10","9","3","8","10","6","1") = "9"
    & skf18("10","9","3","8","10","7","1") = "9"
    & skf18("10","9","3","8","10","8","1") = "9"
    & skf18("10","9","3","8","10","9","1") = "9"
    & skf18("10","9","3","8","10","10","1") = "9"
    & skf18("10","9","3","9","1","1","1") = "9"
    & skf18("10","9","3","9","1","2","1") = "9"
    & skf18("10","9","3","9","1","3","1") = "9"
    & skf18("10","9","3","9","1","4","1") = "9"
    & skf18("10","9","3","9","1","5","1") = "9"
    & skf18("10","9","3","9","1","6","1") = "9"
    & skf18("10","9","3","9","1","7","1") = "9"
    & skf18("10","9","3","9","1","8","1") = "9"
    & skf18("10","9","3","9","1","9","1") = "9"
    & skf18("10","9","3","9","1","10","1") = "9"
    & skf18("10","9","3","9","2","1","1") = "9"
    & skf18("10","9","3","9","2","2","1") = "9"
    & skf18("10","9","3","9","2","3","1") = "9"
    & skf18("10","9","3","9","2","4","1") = "9"
    & skf18("10","9","3","9","2","5","1") = "9"
    & skf18("10","9","3","9","2","6","1") = "9"
    & skf18("10","9","3","9","2","7","1") = "9"
    & skf18("10","9","3","9","2","8","1") = "9"
    & skf18("10","9","3","9","2","9","1") = "9"
    & skf18("10","9","3","9","2","10","1") = "9"
    & skf18("10","9","3","9","3","1","1") = "9"
    & skf18("10","9","3","9","3","2","1") = "9"
    & skf18("10","9","3","9","3","3","1") = "9"
    & skf18("10","9","3","9","3","4","1") = "9"
    & skf18("10","9","3","9","3","5","1") = "9"
    & skf18("10","9","3","9","3","6","1") = "9"
    & skf18("10","9","3","9","3","7","1") = "9"
    & skf18("10","9","3","9","3","8","1") = "9"
    & skf18("10","9","3","9","3","9","1") = "9"
    & skf18("10","9","3","9","3","10","1") = "9"
    & skf18("10","9","3","9","4","1","1") = "9"
    & skf18("10","9","3","9","4","2","1") = "9"
    & skf18("10","9","3","9","4","3","1") = "9"
    & skf18("10","9","3","9","4","4","1") = "9"
    & skf18("10","9","3","9","4","5","1") = "9"
    & skf18("10","9","3","9","4","6","1") = "9"
    & skf18("10","9","3","9","4","7","1") = "9"
    & skf18("10","9","3","9","4","8","1") = "9"
    & skf18("10","9","3","9","4","9","1") = "9"
    & skf18("10","9","3","9","4","10","1") = "9"
    & skf18("10","9","3","9","5","1","1") = "9"
    & skf18("10","9","3","9","5","2","1") = "9"
    & skf18("10","9","3","9","5","3","1") = "9"
    & skf18("10","9","3","9","5","4","1") = "9"
    & skf18("10","9","3","9","5","5","1") = "9"
    & skf18("10","9","3","9","5","6","1") = "9"
    & skf18("10","9","3","9","5","7","1") = "9"
    & skf18("10","9","3","9","5","8","1") = "9"
    & skf18("10","9","3","9","5","9","1") = "9"
    & skf18("10","9","3","9","5","10","1") = "9"
    & skf18("10","9","3","9","6","1","1") = "9"
    & skf18("10","9","3","9","6","2","1") = "9"
    & skf18("10","9","3","9","6","3","1") = "9"
    & skf18("10","9","3","9","6","4","1") = "9"
    & skf18("10","9","3","9","6","5","1") = "9"
    & skf18("10","9","3","9","6","6","1") = "9"
    & skf18("10","9","3","9","6","7","1") = "9"
    & skf18("10","9","3","9","6","8","1") = "9"
    & skf18("10","9","3","9","6","9","1") = "9"
    & skf18("10","9","3","9","6","10","1") = "9"
    & skf18("10","9","3","9","7","1","1") = "9"
    & skf18("10","9","3","9","7","2","1") = "9"
    & skf18("10","9","3","9","7","3","1") = "9"
    & skf18("10","9","3","9","7","4","1") = "9"
    & skf18("10","9","3","9","7","5","1") = "9"
    & skf18("10","9","3","9","7","6","1") = "9"
    & skf18("10","9","3","9","7","7","1") = "9"
    & skf18("10","9","3","9","7","8","1") = "9"
    & skf18("10","9","3","9","7","9","1") = "9"
    & skf18("10","9","3","9","7","10","1") = "9"
    & skf18("10","9","3","9","8","1","1") = "9"
    & skf18("10","9","3","9","8","2","1") = "9"
    & skf18("10","9","3","9","8","3","1") = "9"
    & skf18("10","9","3","9","8","4","1") = "9"
    & skf18("10","9","3","9","8","5","1") = "9"
    & skf18("10","9","3","9","8","6","1") = "9"
    & skf18("10","9","3","9","8","7","1") = "9"
    & skf18("10","9","3","9","8","8","1") = "9"
    & skf18("10","9","3","9","8","9","1") = "9"
    & skf18("10","9","3","9","8","10","1") = "9"
    & skf18("10","9","3","9","9","1","1") = "9"
    & skf18("10","9","3","9","9","2","1") = "9"
    & skf18("10","9","3","9","9","3","1") = "9"
    & skf18("10","9","3","9","9","4","1") = "9"
    & skf18("10","9","3","9","9","5","1") = "9"
    & skf18("10","9","3","9","9","6","1") = "9"
    & skf18("10","9","3","9","9","7","1") = "9"
    & skf18("10","9","3","9","9","8","1") = "9"
    & skf18("10","9","3","9","9","9","1") = "9"
    & skf18("10","9","3","9","9","10","1") = "9"
    & skf18("10","9","3","9","10","1","1") = "9"
    & skf18("10","9","3","9","10","2","1") = "9"
    & skf18("10","9","3","9","10","3","1") = "9"
    & skf18("10","9","3","9","10","4","1") = "9"
    & skf18("10","9","3","9","10","5","1") = "9"
    & skf18("10","9","3","9","10","6","1") = "9"
    & skf18("10","9","3","9","10","7","1") = "9"
    & skf18("10","9","3","9","10","8","1") = "9"
    & skf18("10","9","3","9","10","9","1") = "9"
    & skf18("10","9","3","9","10","10","1") = "9"
    & skf18("10","9","3","10","1","1","1") = "9"
    & skf18("10","9","3","10","1","2","1") = "9"
    & skf18("10","9","3","10","1","3","1") = "9"
    & skf18("10","9","3","10","1","4","1") = "9"
    & skf18("10","9","3","10","1","5","1") = "9"
    & skf18("10","9","3","10","1","6","1") = "9"
    & skf18("10","9","3","10","1","7","1") = "9"
    & skf18("10","9","3","10","1","8","1") = "9"
    & skf18("10","9","3","10","1","9","1") = "9"
    & skf18("10","9","3","10","1","10","1") = "9"
    & skf18("10","9","3","10","2","1","1") = "9"
    & skf18("10","9","3","10","2","2","1") = "9"
    & skf18("10","9","3","10","2","3","1") = "9"
    & skf18("10","9","3","10","2","4","1") = "9"
    & skf18("10","9","3","10","2","5","1") = "9"
    & skf18("10","9","3","10","2","6","1") = "9"
    & skf18("10","9","3","10","2","7","1") = "9"
    & skf18("10","9","3","10","2","8","1") = "9"
    & skf18("10","9","3","10","2","9","1") = "9"
    & skf18("10","9","3","10","2","10","1") = "9"
    & skf18("10","9","3","10","3","1","1") = "9"
    & skf18("10","9","3","10","3","2","1") = "9"
    & skf18("10","9","3","10","3","3","1") = "9"
    & skf18("10","9","3","10","3","4","1") = "9"
    & skf18("10","9","3","10","3","5","1") = "9"
    & skf18("10","9","3","10","3","6","1") = "9"
    & skf18("10","9","3","10","3","7","1") = "9"
    & skf18("10","9","3","10","3","8","1") = "9"
    & skf18("10","9","3","10","3","9","1") = "9"
    & skf18("10","9","3","10","3","10","1") = "9"
    & skf18("10","9","3","10","4","1","1") = "9"
    & skf18("10","9","3","10","4","2","1") = "9"
    & skf18("10","9","3","10","4","3","1") = "9"
    & skf18("10","9","3","10","4","4","1") = "9"
    & skf18("10","9","3","10","4","5","1") = "9"
    & skf18("10","9","3","10","4","6","1") = "9"
    & skf18("10","9","3","10","4","7","1") = "9"
    & skf18("10","9","3","10","4","8","1") = "9"
    & skf18("10","9","3","10","4","9","1") = "9"
    & skf18("10","9","3","10","4","10","1") = "9"
    & skf18("10","9","3","10","5","1","1") = "9"
    & skf18("10","9","3","10","5","2","1") = "9"
    & skf18("10","9","3","10","5","3","1") = "9"
    & skf18("10","9","3","10","5","4","1") = "9"
    & skf18("10","9","3","10","5","5","1") = "9"
    & skf18("10","9","3","10","5","6","1") = "9"
    & skf18("10","9","3","10","5","7","1") = "9"
    & skf18("10","9","3","10","5","8","1") = "9"
    & skf18("10","9","3","10","5","9","1") = "9"
    & skf18("10","9","3","10","5","10","1") = "9"
    & skf18("10","9","3","10","6","1","1") = "9"
    & skf18("10","9","3","10","6","2","1") = "9"
    & skf18("10","9","3","10","6","3","1") = "9"
    & skf18("10","9","3","10","6","4","1") = "9"
    & skf18("10","9","3","10","6","5","1") = "9"
    & skf18("10","9","3","10","6","6","1") = "9"
    & skf18("10","9","3","10","6","7","1") = "9"
    & skf18("10","9","3","10","6","8","1") = "9"
    & skf18("10","9","3","10","6","9","1") = "9"
    & skf18("10","9","3","10","6","10","1") = "9"
    & skf18("10","9","3","10","7","1","1") = "9"
    & skf18("10","9","3","10","7","2","1") = "9"
    & skf18("10","9","3","10","7","3","1") = "9"
    & skf18("10","9","3","10","7","4","1") = "9"
    & skf18("10","9","3","10","7","5","1") = "9"
    & skf18("10","9","3","10","7","6","1") = "9"
    & skf18("10","9","3","10","7","7","1") = "9"
    & skf18("10","9","3","10","7","8","1") = "9"
    & skf18("10","9","3","10","7","9","1") = "9"
    & skf18("10","9","3","10","7","10","1") = "9"
    & skf18("10","9","3","10","8","1","1") = "9"
    & skf18("10","9","3","10","8","2","1") = "9"
    & skf18("10","9","3","10","8","3","1") = "9"
    & skf18("10","9","3","10","8","4","1") = "9"
    & skf18("10","9","3","10","8","5","1") = "9"
    & skf18("10","9","3","10","8","6","1") = "9"
    & skf18("10","9","3","10","8","7","1") = "9"
    & skf18("10","9","3","10","8","8","1") = "9"
    & skf18("10","9","3","10","8","9","1") = "9"
    & skf18("10","9","3","10","8","10","1") = "9"
    & skf18("10","9","3","10","9","1","1") = "9"
    & skf18("10","9","3","10","9","2","1") = "9"
    & skf18("10","9","3","10","9","3","1") = "9"
    & skf18("10","9","3","10","9","4","1") = "9"
    & skf18("10","9","3","10","9","5","1") = "9"
    & skf18("10","9","3","10","9","6","1") = "9"
    & skf18("10","9","3","10","9","7","1") = "9"
    & skf18("10","9","3","10","9","8","1") = "9"
    & skf18("10","9","3","10","9","9","1") = "9"
    & skf18("10","9","3","10","9","10","1") = "9"
    & skf18("10","9","3","10","10","1","1") = "9"
    & skf18("10","9","3","10","10","2","1") = "9"
    & skf18("10","9","3","10","10","3","1") = "9"
    & skf18("10","9","3","10","10","4","1") = "9"
    & skf18("10","9","3","10","10","5","1") = "9"
    & skf18("10","9","3","10","10","6","1") = "9"
    & skf18("10","9","3","10","10","7","1") = "9"
    & skf18("10","9","3","10","10","8","1") = "9"
    & skf18("10","9","3","10","10","9","1") = "9"
    & skf18("10","9","3","10","10","10","1") = "9"
    & skf18("10","9","4","1","1","1","1") = "9"
    & skf18("10","9","4","1","1","2","1") = "9"
    & skf18("10","9","4","1","1","3","1") = "9"
    & skf18("10","9","4","1","1","4","1") = "9"
    & skf18("10","9","4","1","1","5","1") = "9"
    & skf18("10","9","4","1","1","6","1") = "9"
    & skf18("10","9","4","1","1","7","1") = "9"
    & skf18("10","9","4","1","1","8","1") = "9"
    & skf18("10","9","4","1","1","9","1") = "9"
    & skf18("10","9","4","1","1","10","1") = "9"
    & skf18("10","9","4","1","2","1","1") = "9"
    & skf18("10","9","4","1","2","2","1") = "9"
    & skf18("10","9","4","1","2","3","1") = "9"
    & skf18("10","9","4","1","2","4","1") = "9"
    & skf18("10","9","4","1","2","5","1") = "9"
    & skf18("10","9","4","1","2","6","1") = "9"
    & skf18("10","9","4","1","2","7","1") = "9"
    & skf18("10","9","4","1","2","8","1") = "9"
    & skf18("10","9","4","1","2","9","1") = "9"
    & skf18("10","9","4","1","2","10","1") = "9"
    & skf18("10","9","4","1","3","1","1") = "9"
    & skf18("10","9","4","1","3","2","1") = "9"
    & skf18("10","9","4","1","3","3","1") = "9"
    & skf18("10","9","4","1","3","4","1") = "9"
    & skf18("10","9","4","1","3","5","1") = "9"
    & skf18("10","9","4","1","3","6","1") = "9"
    & skf18("10","9","4","1","3","7","1") = "9"
    & skf18("10","9","4","1","3","8","1") = "9"
    & skf18("10","9","4","1","3","9","1") = "9"
    & skf18("10","9","4","1","3","10","1") = "9"
    & skf18("10","9","4","1","4","1","1") = "9"
    & skf18("10","9","4","1","4","2","1") = "9"
    & skf18("10","9","4","1","4","3","1") = "9"
    & skf18("10","9","4","1","4","4","1") = "9"
    & skf18("10","9","4","1","4","5","1") = "9"
    & skf18("10","9","4","1","4","6","1") = "9"
    & skf18("10","9","4","1","4","7","1") = "9"
    & skf18("10","9","4","1","4","8","1") = "9"
    & skf18("10","9","4","1","4","9","1") = "9"
    & skf18("10","9","4","1","4","10","1") = "9"
    & skf18("10","9","4","1","5","1","1") = "9"
    & skf18("10","9","4","1","5","2","1") = "9"
    & skf18("10","9","4","1","5","3","1") = "9"
    & skf18("10","9","4","1","5","4","1") = "9"
    & skf18("10","9","4","1","5","5","1") = "9"
    & skf18("10","9","4","1","5","6","1") = "9"
    & skf18("10","9","4","1","5","7","1") = "9"
    & skf18("10","9","4","1","5","8","1") = "9"
    & skf18("10","9","4","1","5","9","1") = "9"
    & skf18("10","9","4","1","5","10","1") = "9"
    & skf18("10","9","4","1","6","1","1") = "9"
    & skf18("10","9","4","1","6","2","1") = "9"
    & skf18("10","9","4","1","6","3","1") = "9"
    & skf18("10","9","4","1","6","4","1") = "9"
    & skf18("10","9","4","1","6","5","1") = "9"
    & skf18("10","9","4","1","6","6","1") = "9"
    & skf18("10","9","4","1","6","7","1") = "9"
    & skf18("10","9","4","1","6","8","1") = "9"
    & skf18("10","9","4","1","6","9","1") = "9"
    & skf18("10","9","4","1","6","10","1") = "9"
    & skf18("10","9","4","1","7","1","1") = "9"
    & skf18("10","9","4","1","7","2","1") = "9"
    & skf18("10","9","4","1","7","3","1") = "9"
    & skf18("10","9","4","1","7","4","1") = "9"
    & skf18("10","9","4","1","7","5","1") = "9"
    & skf18("10","9","4","1","7","6","1") = "9"
    & skf18("10","9","4","1","7","7","1") = "9"
    & skf18("10","9","4","1","7","8","1") = "9"
    & skf18("10","9","4","1","7","9","1") = "9"
    & skf18("10","9","4","1","7","10","1") = "9"
    & skf18("10","9","4","1","8","1","1") = "9"
    & skf18("10","9","4","1","8","2","1") = "9"
    & skf18("10","9","4","1","8","3","1") = "9"
    & skf18("10","9","4","1","8","4","1") = "9"
    & skf18("10","9","4","1","8","5","1") = "9"
    & skf18("10","9","4","1","8","6","1") = "9"
    & skf18("10","9","4","1","8","7","1") = "9"
    & skf18("10","9","4","1","8","8","1") = "9"
    & skf18("10","9","4","1","8","9","1") = "9"
    & skf18("10","9","4","1","8","10","1") = "9"
    & skf18("10","9","4","1","9","1","1") = "9"
    & skf18("10","9","4","1","9","2","1") = "9"
    & skf18("10","9","4","1","9","3","1") = "9"
    & skf18("10","9","4","1","9","4","1") = "9"
    & skf18("10","9","4","1","9","5","1") = "9"
    & skf18("10","9","4","1","9","6","1") = "9"
    & skf18("10","9","4","1","9","7","1") = "9"
    & skf18("10","9","4","1","9","8","1") = "9"
    & skf18("10","9","4","1","9","9","1") = "9"
    & skf18("10","9","4","1","9","10","1") = "9"
    & skf18("10","9","4","1","10","1","1") = "9"
    & skf18("10","9","4","1","10","2","1") = "9"
    & skf18("10","9","4","1","10","3","1") = "9"
    & skf18("10","9","4","1","10","4","1") = "9"
    & skf18("10","9","4","1","10","5","1") = "9"
    & skf18("10","9","4","1","10","6","1") = "9"
    & skf18("10","9","4","1","10","7","1") = "9"
    & skf18("10","9","4","1","10","8","1") = "9"
    & skf18("10","9","4","1","10","9","1") = "9"
    & skf18("10","9","4","1","10","10","1") = "9"
    & skf18("10","9","4","2","1","1","1") = "9"
    & skf18("10","9","4","2","1","2","1") = "9"
    & skf18("10","9","4","2","1","3","1") = "9"
    & skf18("10","9","4","2","1","4","1") = "9"
    & skf18("10","9","4","2","1","5","1") = "9"
    & skf18("10","9","4","2","1","6","1") = "9"
    & skf18("10","9","4","2","1","7","1") = "9"
    & skf18("10","9","4","2","1","8","1") = "9"
    & skf18("10","9","4","2","1","9","1") = "9"
    & skf18("10","9","4","2","1","10","1") = "9"
    & skf18("10","9","4","2","2","1","1") = "9"
    & skf18("10","9","4","2","2","2","1") = "9"
    & skf18("10","9","4","2","2","3","1") = "9"
    & skf18("10","9","4","2","2","4","1") = "9"
    & skf18("10","9","4","2","2","5","1") = "9"
    & skf18("10","9","4","2","2","6","1") = "9"
    & skf18("10","9","4","2","2","7","1") = "9"
    & skf18("10","9","4","2","2","8","1") = "9"
    & skf18("10","9","4","2","2","9","1") = "9"
    & skf18("10","9","4","2","2","10","1") = "9"
    & skf18("10","9","4","2","3","1","1") = "9"
    & skf18("10","9","4","2","3","2","1") = "9"
    & skf18("10","9","4","2","3","3","1") = "9"
    & skf18("10","9","4","2","3","4","1") = "9"
    & skf18("10","9","4","2","3","5","1") = "9"
    & skf18("10","9","4","2","3","6","1") = "9"
    & skf18("10","9","4","2","3","7","1") = "9"
    & skf18("10","9","4","2","3","8","1") = "9"
    & skf18("10","9","4","2","3","9","1") = "9"
    & skf18("10","9","4","2","3","10","1") = "9"
    & skf18("10","9","4","2","4","1","1") = "9"
    & skf18("10","9","4","2","4","2","1") = "9"
    & skf18("10","9","4","2","4","3","1") = "9"
    & skf18("10","9","4","2","4","4","1") = "9"
    & skf18("10","9","4","2","4","5","1") = "9"
    & skf18("10","9","4","2","4","6","1") = "9"
    & skf18("10","9","4","2","4","7","1") = "9"
    & skf18("10","9","4","2","4","8","1") = "9"
    & skf18("10","9","4","2","4","9","1") = "9"
    & skf18("10","9","4","2","4","10","1") = "9"
    & skf18("10","9","4","2","5","1","1") = "9"
    & skf18("10","9","4","2","5","2","1") = "9"
    & skf18("10","9","4","2","5","3","1") = "9"
    & skf18("10","9","4","2","5","4","1") = "9"
    & skf18("10","9","4","2","5","5","1") = "9"
    & skf18("10","9","4","2","5","6","1") = "9"
    & skf18("10","9","4","2","5","7","1") = "9"
    & skf18("10","9","4","2","5","8","1") = "9"
    & skf18("10","9","4","2","5","9","1") = "9"
    & skf18("10","9","4","2","5","10","1") = "9"
    & skf18("10","9","4","2","6","1","1") = "9"
    & skf18("10","9","4","2","6","2","1") = "9"
    & skf18("10","9","4","2","6","3","1") = "9"
    & skf18("10","9","4","2","6","4","1") = "9"
    & skf18("10","9","4","2","6","5","1") = "9"
    & skf18("10","9","4","2","6","6","1") = "9"
    & skf18("10","9","4","2","6","7","1") = "9"
    & skf18("10","9","4","2","6","8","1") = "9"
    & skf18("10","9","4","2","6","9","1") = "9"
    & skf18("10","9","4","2","6","10","1") = "9"
    & skf18("10","9","4","2","7","1","1") = "9"
    & skf18("10","9","4","2","7","2","1") = "9"
    & skf18("10","9","4","2","7","3","1") = "9"
    & skf18("10","9","4","2","7","4","1") = "9"
    & skf18("10","9","4","2","7","5","1") = "9"
    & skf18("10","9","4","2","7","6","1") = "9"
    & skf18("10","9","4","2","7","7","1") = "9"
    & skf18("10","9","4","2","7","8","1") = "9"
    & skf18("10","9","4","2","7","9","1") = "9"
    & skf18("10","9","4","2","7","10","1") = "9"
    & skf18("10","9","4","2","8","1","1") = "9"
    & skf18("10","9","4","2","8","2","1") = "9"
    & skf18("10","9","4","2","8","3","1") = "9"
    & skf18("10","9","4","2","8","4","1") = "9"
    & skf18("10","9","4","2","8","5","1") = "9"
    & skf18("10","9","4","2","8","6","1") = "9"
    & skf18("10","9","4","2","8","7","1") = "9"
    & skf18("10","9","4","2","8","8","1") = "9"
    & skf18("10","9","4","2","8","9","1") = "9"
    & skf18("10","9","4","2","8","10","1") = "9"
    & skf18("10","9","4","2","9","1","1") = "9"
    & skf18("10","9","4","2","9","2","1") = "9"
    & skf18("10","9","4","2","9","3","1") = "9"
    & skf18("10","9","4","2","9","4","1") = "9"
    & skf18("10","9","4","2","9","5","1") = "9"
    & skf18("10","9","4","2","9","6","1") = "9"
    & skf18("10","9","4","2","9","7","1") = "9"
    & skf18("10","9","4","2","9","8","1") = "9"
    & skf18("10","9","4","2","9","9","1") = "9"
    & skf18("10","9","4","2","9","10","1") = "9"
    & skf18("10","9","4","2","10","1","1") = "9"
    & skf18("10","9","4","2","10","2","1") = "9"
    & skf18("10","9","4","2","10","3","1") = "9"
    & skf18("10","9","4","2","10","4","1") = "9"
    & skf18("10","9","4","2","10","5","1") = "9"
    & skf18("10","9","4","2","10","6","1") = "9"
    & skf18("10","9","4","2","10","7","1") = "9"
    & skf18("10","9","4","2","10","8","1") = "9"
    & skf18("10","9","4","2","10","9","1") = "9"
    & skf18("10","9","4","2","10","10","1") = "9"
    & skf18("10","9","4","3","1","1","1") = "9"
    & skf18("10","9","4","3","1","2","1") = "9"
    & skf18("10","9","4","3","1","3","1") = "9"
    & skf18("10","9","4","3","1","4","1") = "9"
    & skf18("10","9","4","3","1","5","1") = "9"
    & skf18("10","9","4","3","1","6","1") = "9"
    & skf18("10","9","4","3","1","7","1") = "9"
    & skf18("10","9","4","3","1","8","1") = "9"
    & skf18("10","9","4","3","1","9","1") = "9"
    & skf18("10","9","4","3","1","10","1") = "9"
    & skf18("10","9","4","3","2","1","1") = "9"
    & skf18("10","9","4","3","2","2","1") = "9"
    & skf18("10","9","4","3","2","3","1") = "9"
    & skf18("10","9","4","3","2","4","1") = "9"
    & skf18("10","9","4","3","2","5","1") = "9"
    & skf18("10","9","4","3","2","6","1") = "9"
    & skf18("10","9","4","3","2","7","1") = "9"
    & skf18("10","9","4","3","2","8","1") = "9"
    & skf18("10","9","4","3","2","9","1") = "9"
    & skf18("10","9","4","3","2","10","1") = "9"
    & skf18("10","9","4","3","3","1","1") = "9"
    & skf18("10","9","4","3","3","2","1") = "9"
    & skf18("10","9","4","3","3","3","1") = "9"
    & skf18("10","9","4","3","3","4","1") = "9"
    & skf18("10","9","4","3","3","5","1") = "9"
    & skf18("10","9","4","3","3","6","1") = "9"
    & skf18("10","9","4","3","3","7","1") = "9"
    & skf18("10","9","4","3","3","8","1") = "9"
    & skf18("10","9","4","3","3","9","1") = "9"
    & skf18("10","9","4","3","3","10","1") = "9"
    & skf18("10","9","4","3","4","1","1") = "9"
    & skf18("10","9","4","3","4","2","1") = "9"
    & skf18("10","9","4","3","4","3","1") = "9"
    & skf18("10","9","4","3","4","4","1") = "9"
    & skf18("10","9","4","3","4","5","1") = "9"
    & skf18("10","9","4","3","4","6","1") = "9"
    & skf18("10","9","4","3","4","7","1") = "9"
    & skf18("10","9","4","3","4","8","1") = "9"
    & skf18("10","9","4","3","4","9","1") = "9"
    & skf18("10","9","4","3","4","10","1") = "9"
    & skf18("10","9","4","3","5","1","1") = "9"
    & skf18("10","9","4","3","5","2","1") = "9"
    & skf18("10","9","4","3","5","3","1") = "9"
    & skf18("10","9","4","3","5","4","1") = "9"
    & skf18("10","9","4","3","5","5","1") = "9"
    & skf18("10","9","4","3","5","6","1") = "9"
    & skf18("10","9","4","3","5","7","1") = "9"
    & skf18("10","9","4","3","5","8","1") = "9"
    & skf18("10","9","4","3","5","9","1") = "9"
    & skf18("10","9","4","3","5","10","1") = "9"
    & skf18("10","9","4","3","6","1","1") = "9"
    & skf18("10","9","4","3","6","2","1") = "9"
    & skf18("10","9","4","3","6","3","1") = "9"
    & skf18("10","9","4","3","6","4","1") = "9"
    & skf18("10","9","4","3","6","5","1") = "9"
    & skf18("10","9","4","3","6","6","1") = "9"
    & skf18("10","9","4","3","6","7","1") = "9"
    & skf18("10","9","4","3","6","8","1") = "9"
    & skf18("10","9","4","3","6","9","1") = "9"
    & skf18("10","9","4","3","6","10","1") = "9"
    & skf18("10","9","4","3","7","1","1") = "9"
    & skf18("10","9","4","3","7","2","1") = "9"
    & skf18("10","9","4","3","7","3","1") = "9"
    & skf18("10","9","4","3","7","4","1") = "9"
    & skf18("10","9","4","3","7","5","1") = "9"
    & skf18("10","9","4","3","7","6","1") = "9"
    & skf18("10","9","4","3","7","7","1") = "9"
    & skf18("10","9","4","3","7","8","1") = "9"
    & skf18("10","9","4","3","7","9","1") = "9"
    & skf18("10","9","4","3","7","10","1") = "9"
    & skf18("10","9","4","3","8","1","1") = "9"
    & skf18("10","9","4","3","8","2","1") = "9"
    & skf18("10","9","4","3","8","3","1") = "9"
    & skf18("10","9","4","3","8","4","1") = "9"
    & skf18("10","9","4","3","8","5","1") = "9"
    & skf18("10","9","4","3","8","6","1") = "9"
    & skf18("10","9","4","3","8","7","1") = "9"
    & skf18("10","9","4","3","8","8","1") = "9"
    & skf18("10","9","4","3","8","9","1") = "9"
    & skf18("10","9","4","3","8","10","1") = "9"
    & skf18("10","9","4","3","9","1","1") = "9"
    & skf18("10","9","4","3","9","2","1") = "9"
    & skf18("10","9","4","3","9","3","1") = "9"
    & skf18("10","9","4","3","9","4","1") = "9"
    & skf18("10","9","4","3","9","5","1") = "9"
    & skf18("10","9","4","3","9","6","1") = "9"
    & skf18("10","9","4","3","9","7","1") = "9"
    & skf18("10","9","4","3","9","8","1") = "9"
    & skf18("10","9","4","3","9","9","1") = "9"
    & skf18("10","9","4","3","9","10","1") = "9"
    & skf18("10","9","4","3","10","1","1") = "9"
    & skf18("10","9","4","3","10","2","1") = "9"
    & skf18("10","9","4","3","10","3","1") = "9"
    & skf18("10","9","4","3","10","4","1") = "9"
    & skf18("10","9","4","3","10","5","1") = "9"
    & skf18("10","9","4","3","10","6","1") = "9"
    & skf18("10","9","4","3","10","7","1") = "9"
    & skf18("10","9","4","3","10","8","1") = "9"
    & skf18("10","9","4","3","10","9","1") = "9"
    & skf18("10","9","4","3","10","10","1") = "9"
    & skf18("10","9","4","4","1","1","1") = "9"
    & skf18("10","9","4","4","1","2","1") = "9"
    & skf18("10","9","4","4","1","3","1") = "9"
    & skf18("10","9","4","4","1","4","1") = "9"
    & skf18("10","9","4","4","1","5","1") = "9"
    & skf18("10","9","4","4","1","6","1") = "9"
    & skf18("10","9","4","4","1","7","1") = "9"
    & skf18("10","9","4","4","1","8","1") = "9"
    & skf18("10","9","4","4","1","9","1") = "9"
    & skf18("10","9","4","4","1","10","1") = "9"
    & skf18("10","9","4","4","2","1","1") = "9"
    & skf18("10","9","4","4","2","2","1") = "9"
    & skf18("10","9","4","4","2","3","1") = "9"
    & skf18("10","9","4","4","2","4","1") = "9"
    & skf18("10","9","4","4","2","5","1") = "9"
    & skf18("10","9","4","4","2","6","1") = "9"
    & skf18("10","9","4","4","2","7","1") = "9"
    & skf18("10","9","4","4","2","8","1") = "9"
    & skf18("10","9","4","4","2","9","1") = "9"
    & skf18("10","9","4","4","2","10","1") = "9"
    & skf18("10","9","4","4","3","1","1") = "9"
    & skf18("10","9","4","4","3","2","1") = "9"
    & skf18("10","9","4","4","3","3","1") = "9"
    & skf18("10","9","4","4","3","4","1") = "9"
    & skf18("10","9","4","4","3","5","1") = "9"
    & skf18("10","9","4","4","3","6","1") = "9"
    & skf18("10","9","4","4","3","7","1") = "9"
    & skf18("10","9","4","4","3","8","1") = "9"
    & skf18("10","9","4","4","3","9","1") = "9"
    & skf18("10","9","4","4","3","10","1") = "9"
    & skf18("10","9","4","4","4","1","1") = "9"
    & skf18("10","9","4","4","4","2","1") = "9"
    & skf18("10","9","4","4","4","3","1") = "9"
    & skf18("10","9","4","4","4","4","1") = "9"
    & skf18("10","9","4","4","4","5","1") = "9"
    & skf18("10","9","4","4","4","6","1") = "9"
    & skf18("10","9","4","4","4","7","1") = "9"
    & skf18("10","9","4","4","4","8","1") = "9"
    & skf18("10","9","4","4","4","9","1") = "9"
    & skf18("10","9","4","4","4","10","1") = "9"
    & skf18("10","9","4","4","5","1","1") = "9"
    & skf18("10","9","4","4","5","2","1") = "9"
    & skf18("10","9","4","4","5","3","1") = "9"
    & skf18("10","9","4","4","5","4","1") = "9"
    & skf18("10","9","4","4","5","5","1") = "9"
    & skf18("10","9","4","4","5","6","1") = "9"
    & skf18("10","9","4","4","5","7","1") = "9"
    & skf18("10","9","4","4","5","8","1") = "9"
    & skf18("10","9","4","4","5","9","1") = "9"
    & skf18("10","9","4","4","5","10","1") = "9"
    & skf18("10","9","4","4","6","1","1") = "9"
    & skf18("10","9","4","4","6","2","1") = "9"
    & skf18("10","9","4","4","6","3","1") = "9"
    & skf18("10","9","4","4","6","4","1") = "9"
    & skf18("10","9","4","4","6","5","1") = "9"
    & skf18("10","9","4","4","6","6","1") = "9"
    & skf18("10","9","4","4","6","7","1") = "9"
    & skf18("10","9","4","4","6","8","1") = "9"
    & skf18("10","9","4","4","6","9","1") = "9"
    & skf18("10","9","4","4","6","10","1") = "9"
    & skf18("10","9","4","4","7","1","1") = "9"
    & skf18("10","9","4","4","7","2","1") = "9"
    & skf18("10","9","4","4","7","3","1") = "9"
    & skf18("10","9","4","4","7","4","1") = "9"
    & skf18("10","9","4","4","7","5","1") = "9"
    & skf18("10","9","4","4","7","6","1") = "9"
    & skf18("10","9","4","4","7","7","1") = "9"
    & skf18("10","9","4","4","7","8","1") = "9"
    & skf18("10","9","4","4","7","9","1") = "9"
    & skf18("10","9","4","4","7","10","1") = "9"
    & skf18("10","9","4","4","8","1","1") = "9"
    & skf18("10","9","4","4","8","2","1") = "9"
    & skf18("10","9","4","4","8","3","1") = "9"
    & skf18("10","9","4","4","8","4","1") = "9"
    & skf18("10","9","4","4","8","5","1") = "9"
    & skf18("10","9","4","4","8","6","1") = "9"
    & skf18("10","9","4","4","8","7","1") = "9"
    & skf18("10","9","4","4","8","8","1") = "9"
    & skf18("10","9","4","4","8","9","1") = "9"
    & skf18("10","9","4","4","8","10","1") = "9"
    & skf18("10","9","4","4","9","1","1") = "9"
    & skf18("10","9","4","4","9","2","1") = "9"
    & skf18("10","9","4","4","9","3","1") = "9"
    & skf18("10","9","4","4","9","4","1") = "9"
    & skf18("10","9","4","4","9","5","1") = "9"
    & skf18("10","9","4","4","9","6","1") = "9"
    & skf18("10","9","4","4","9","7","1") = "9"
    & skf18("10","9","4","4","9","8","1") = "9"
    & skf18("10","9","4","4","9","9","1") = "9"
    & skf18("10","9","4","4","9","10","1") = "9"
    & skf18("10","9","4","4","10","1","1") = "9"
    & skf18("10","9","4","4","10","2","1") = "9"
    & skf18("10","9","4","4","10","3","1") = "9"
    & skf18("10","9","4","4","10","4","1") = "9"
    & skf18("10","9","4","4","10","5","1") = "9"
    & skf18("10","9","4","4","10","6","1") = "9"
    & skf18("10","9","4","4","10","7","1") = "9"
    & skf18("10","9","4","4","10","8","1") = "9"
    & skf18("10","9","4","4","10","9","1") = "9"
    & skf18("10","9","4","4","10","10","1") = "9"
    & skf18("10","9","4","5","1","1","1") = "9"
    & skf18("10","9","4","5","1","2","1") = "9"
    & skf18("10","9","4","5","1","3","1") = "9"
    & skf18("10","9","4","5","1","4","1") = "9"
    & skf18("10","9","4","5","1","5","1") = "9"
    & skf18("10","9","4","5","1","6","1") = "9"
    & skf18("10","9","4","5","1","7","1") = "9"
    & skf18("10","9","4","5","1","8","1") = "9"
    & skf18("10","9","4","5","1","9","1") = "9"
    & skf18("10","9","4","5","1","10","1") = "9"
    & skf18("10","9","4","5","2","1","1") = "9"
    & skf18("10","9","4","5","2","2","1") = "9"
    & skf18("10","9","4","5","2","3","1") = "9"
    & skf18("10","9","4","5","2","4","1") = "9"
    & skf18("10","9","4","5","2","5","1") = "9"
    & skf18("10","9","4","5","2","6","1") = "9"
    & skf18("10","9","4","5","2","7","1") = "9"
    & skf18("10","9","4","5","2","8","1") = "9"
    & skf18("10","9","4","5","2","9","1") = "9"
    & skf18("10","9","4","5","2","10","1") = "9"
    & skf18("10","9","4","5","3","1","1") = "9"
    & skf18("10","9","4","5","3","2","1") = "9"
    & skf18("10","9","4","5","3","3","1") = "9"
    & skf18("10","9","4","5","3","4","1") = "9"
    & skf18("10","9","4","5","3","5","1") = "9"
    & skf18("10","9","4","5","3","6","1") = "9"
    & skf18("10","9","4","5","3","7","1") = "9"
    & skf18("10","9","4","5","3","8","1") = "9"
    & skf18("10","9","4","5","3","9","1") = "9"
    & skf18("10","9","4","5","3","10","1") = "9"
    & skf18("10","9","4","5","4","1","1") = "9"
    & skf18("10","9","4","5","4","2","1") = "9"
    & skf18("10","9","4","5","4","3","1") = "9"
    & skf18("10","9","4","5","4","4","1") = "9"
    & skf18("10","9","4","5","4","5","1") = "9"
    & skf18("10","9","4","5","4","6","1") = "9"
    & skf18("10","9","4","5","4","7","1") = "9"
    & skf18("10","9","4","5","4","8","1") = "9"
    & skf18("10","9","4","5","4","9","1") = "9"
    & skf18("10","9","4","5","4","10","1") = "9"
    & skf18("10","9","4","5","5","1","1") = "9"
    & skf18("10","9","4","5","5","2","1") = "9"
    & skf18("10","9","4","5","5","3","1") = "9"
    & skf18("10","9","4","5","5","4","1") = "9"
    & skf18("10","9","4","5","5","5","1") = "9"
    & skf18("10","9","4","5","5","6","1") = "9"
    & skf18("10","9","4","5","5","7","1") = "9"
    & skf18("10","9","4","5","5","8","1") = "9"
    & skf18("10","9","4","5","5","9","1") = "9"
    & skf18("10","9","4","5","5","10","1") = "9"
    & skf18("10","9","4","5","6","1","1") = "9"
    & skf18("10","9","4","5","6","2","1") = "9"
    & skf18("10","9","4","5","6","3","1") = "9"
    & skf18("10","9","4","5","6","4","1") = "9"
    & skf18("10","9","4","5","6","5","1") = "9"
    & skf18("10","9","4","5","6","6","1") = "9"
    & skf18("10","9","4","5","6","7","1") = "9"
    & skf18("10","9","4","5","6","8","1") = "9"
    & skf18("10","9","4","5","6","9","1") = "9"
    & skf18("10","9","4","5","6","10","1") = "9"
    & skf18("10","9","4","5","7","1","1") = "9"
    & skf18("10","9","4","5","7","2","1") = "9"
    & skf18("10","9","4","5","7","3","1") = "9"
    & skf18("10","9","4","5","7","4","1") = "9"
    & skf18("10","9","4","5","7","5","1") = "9"
    & skf18("10","9","4","5","7","6","1") = "9"
    & skf18("10","9","4","5","7","7","1") = "9"
    & skf18("10","9","4","5","7","8","1") = "9"
    & skf18("10","9","4","5","7","9","1") = "9"
    & skf18("10","9","4","5","7","10","1") = "9"
    & skf18("10","9","4","5","8","1","1") = "9"
    & skf18("10","9","4","5","8","2","1") = "9"
    & skf18("10","9","4","5","8","3","1") = "9"
    & skf18("10","9","4","5","8","4","1") = "9"
    & skf18("10","9","4","5","8","5","1") = "9"
    & skf18("10","9","4","5","8","6","1") = "9"
    & skf18("10","9","4","5","8","7","1") = "9"
    & skf18("10","9","4","5","8","8","1") = "9"
    & skf18("10","9","4","5","8","9","1") = "9"
    & skf18("10","9","4","5","8","10","1") = "9"
    & skf18("10","9","4","5","9","1","1") = "9"
    & skf18("10","9","4","5","9","2","1") = "9"
    & skf18("10","9","4","5","9","3","1") = "9"
    & skf18("10","9","4","5","9","4","1") = "9"
    & skf18("10","9","4","5","9","5","1") = "9"
    & skf18("10","9","4","5","9","6","1") = "9"
    & skf18("10","9","4","5","9","7","1") = "9"
    & skf18("10","9","4","5","9","8","1") = "9"
    & skf18("10","9","4","5","9","9","1") = "9"
    & skf18("10","9","4","5","9","10","1") = "9"
    & skf18("10","9","4","5","10","1","1") = "9"
    & skf18("10","9","4","5","10","2","1") = "9"
    & skf18("10","9","4","5","10","3","1") = "9"
    & skf18("10","9","4","5","10","4","1") = "9"
    & skf18("10","9","4","5","10","5","1") = "9"
    & skf18("10","9","4","5","10","6","1") = "9"
    & skf18("10","9","4","5","10","7","1") = "9"
    & skf18("10","9","4","5","10","8","1") = "9"
    & skf18("10","9","4","5","10","9","1") = "9"
    & skf18("10","9","4","5","10","10","1") = "9"
    & skf18("10","9","4","6","1","1","1") = "9"
    & skf18("10","9","4","6","1","2","1") = "9"
    & skf18("10","9","4","6","1","3","1") = "9"
    & skf18("10","9","4","6","1","4","1") = "9"
    & skf18("10","9","4","6","1","5","1") = "9"
    & skf18("10","9","4","6","1","6","1") = "9"
    & skf18("10","9","4","6","1","7","1") = "9"
    & skf18("10","9","4","6","1","8","1") = "9"
    & skf18("10","9","4","6","1","9","1") = "9"
    & skf18("10","9","4","6","1","10","1") = "9"
    & skf18("10","9","4","6","2","1","1") = "9"
    & skf18("10","9","4","6","2","2","1") = "9"
    & skf18("10","9","4","6","2","3","1") = "9"
    & skf18("10","9","4","6","2","4","1") = "9"
    & skf18("10","9","4","6","2","5","1") = "9"
    & skf18("10","9","4","6","2","6","1") = "9"
    & skf18("10","9","4","6","2","7","1") = "9"
    & skf18("10","9","4","6","2","8","1") = "9"
    & skf18("10","9","4","6","2","9","1") = "9"
    & skf18("10","9","4","6","2","10","1") = "9"
    & skf18("10","9","4","6","3","1","1") = "9"
    & skf18("10","9","4","6","3","2","1") = "9"
    & skf18("10","9","4","6","3","3","1") = "9"
    & skf18("10","9","4","6","3","4","1") = "9"
    & skf18("10","9","4","6","3","5","1") = "9"
    & skf18("10","9","4","6","3","6","1") = "9"
    & skf18("10","9","4","6","3","7","1") = "9"
    & skf18("10","9","4","6","3","8","1") = "9"
    & skf18("10","9","4","6","3","9","1") = "9"
    & skf18("10","9","4","6","3","10","1") = "9"
    & skf18("10","9","4","6","4","1","1") = "9"
    & skf18("10","9","4","6","4","2","1") = "9"
    & skf18("10","9","4","6","4","3","1") = "9"
    & skf18("10","9","4","6","4","4","1") = "9"
    & skf18("10","9","4","6","4","5","1") = "9"
    & skf18("10","9","4","6","4","6","1") = "9"
    & skf18("10","9","4","6","4","7","1") = "9"
    & skf18("10","9","4","6","4","8","1") = "9"
    & skf18("10","9","4","6","4","9","1") = "9"
    & skf18("10","9","4","6","4","10","1") = "9"
    & skf18("10","9","4","6","5","1","1") = "9"
    & skf18("10","9","4","6","5","2","1") = "9"
    & skf18("10","9","4","6","5","3","1") = "9"
    & skf18("10","9","4","6","5","4","1") = "9"
    & skf18("10","9","4","6","5","5","1") = "9"
    & skf18("10","9","4","6","5","6","1") = "9"
    & skf18("10","9","4","6","5","7","1") = "9"
    & skf18("10","9","4","6","5","8","1") = "9"
    & skf18("10","9","4","6","5","9","1") = "9"
    & skf18("10","9","4","6","5","10","1") = "9"
    & skf18("10","9","4","6","6","1","1") = "9"
    & skf18("10","9","4","6","6","2","1") = "9"
    & skf18("10","9","4","6","6","3","1") = "9"
    & skf18("10","9","4","6","6","4","1") = "9"
    & skf18("10","9","4","6","6","5","1") = "9"
    & skf18("10","9","4","6","6","6","1") = "9"
    & skf18("10","9","4","6","6","7","1") = "9"
    & skf18("10","9","4","6","6","8","1") = "9"
    & skf18("10","9","4","6","6","9","1") = "9"
    & skf18("10","9","4","6","6","10","1") = "9"
    & skf18("10","9","4","6","7","1","1") = "9"
    & skf18("10","9","4","6","7","2","1") = "9"
    & skf18("10","9","4","6","7","3","1") = "9"
    & skf18("10","9","4","6","7","4","1") = "9"
    & skf18("10","9","4","6","7","5","1") = "9"
    & skf18("10","9","4","6","7","6","1") = "9"
    & skf18("10","9","4","6","7","7","1") = "9"
    & skf18("10","9","4","6","7","8","1") = "9"
    & skf18("10","9","4","6","7","9","1") = "9"
    & skf18("10","9","4","6","7","10","1") = "9"
    & skf18("10","9","4","6","8","1","1") = "9"
    & skf18("10","9","4","6","8","2","1") = "9"
    & skf18("10","9","4","6","8","3","1") = "9"
    & skf18("10","9","4","6","8","4","1") = "9"
    & skf18("10","9","4","6","8","5","1") = "9"
    & skf18("10","9","4","6","8","6","1") = "9"
    & skf18("10","9","4","6","8","7","1") = "9"
    & skf18("10","9","4","6","8","8","1") = "9"
    & skf18("10","9","4","6","8","9","1") = "9"
    & skf18("10","9","4","6","8","10","1") = "9"
    & skf18("10","9","4","6","9","1","1") = "9"
    & skf18("10","9","4","6","9","2","1") = "9"
    & skf18("10","9","4","6","9","3","1") = "9"
    & skf18("10","9","4","6","9","4","1") = "9"
    & skf18("10","9","4","6","9","5","1") = "9"
    & skf18("10","9","4","6","9","6","1") = "9"
    & skf18("10","9","4","6","9","7","1") = "9"
    & skf18("10","9","4","6","9","8","1") = "9"
    & skf18("10","9","4","6","9","9","1") = "9"
    & skf18("10","9","4","6","9","10","1") = "9"
    & skf18("10","9","4","6","10","1","1") = "9"
    & skf18("10","9","4","6","10","2","1") = "9"
    & skf18("10","9","4","6","10","3","1") = "9"
    & skf18("10","9","4","6","10","4","1") = "9"
    & skf18("10","9","4","6","10","5","1") = "9"
    & skf18("10","9","4","6","10","6","1") = "9"
    & skf18("10","9","4","6","10","7","1") = "9"
    & skf18("10","9","4","6","10","8","1") = "9"
    & skf18("10","9","4","6","10","9","1") = "9"
    & skf18("10","9","4","6","10","10","1") = "9"
    & skf18("10","9","4","7","1","1","1") = "9"
    & skf18("10","9","4","7","1","2","1") = "9"
    & skf18("10","9","4","7","1","3","1") = "9"
    & skf18("10","9","4","7","1","4","1") = "9"
    & skf18("10","9","4","7","1","5","1") = "9"
    & skf18("10","9","4","7","1","6","1") = "9"
    & skf18("10","9","4","7","1","7","1") = "9"
    & skf18("10","9","4","7","1","8","1") = "9"
    & skf18("10","9","4","7","1","9","1") = "9"
    & skf18("10","9","4","7","1","10","1") = "9"
    & skf18("10","9","4","7","2","1","1") = "9"
    & skf18("10","9","4","7","2","2","1") = "9"
    & skf18("10","9","4","7","2","3","1") = "9"
    & skf18("10","9","4","7","2","4","1") = "9"
    & skf18("10","9","4","7","2","5","1") = "9"
    & skf18("10","9","4","7","2","6","1") = "9"
    & skf18("10","9","4","7","2","7","1") = "9"
    & skf18("10","9","4","7","2","8","1") = "9"
    & skf18("10","9","4","7","2","9","1") = "9"
    & skf18("10","9","4","7","2","10","1") = "9"
    & skf18("10","9","4","7","3","1","1") = "9"
    & skf18("10","9","4","7","3","2","1") = "9"
    & skf18("10","9","4","7","3","3","1") = "9"
    & skf18("10","9","4","7","3","4","1") = "9"
    & skf18("10","9","4","7","3","5","1") = "9"
    & skf18("10","9","4","7","3","6","1") = "9"
    & skf18("10","9","4","7","3","7","1") = "9"
    & skf18("10","9","4","7","3","8","1") = "9"
    & skf18("10","9","4","7","3","9","1") = "9"
    & skf18("10","9","4","7","3","10","1") = "9"
    & skf18("10","9","4","7","4","1","1") = "9"
    & skf18("10","9","4","7","4","2","1") = "9"
    & skf18("10","9","4","7","4","3","1") = "9"
    & skf18("10","9","4","7","4","4","1") = "9"
    & skf18("10","9","4","7","4","5","1") = "9"
    & skf18("10","9","4","7","4","6","1") = "9"
    & skf18("10","9","4","7","4","7","1") = "9"
    & skf18("10","9","4","7","4","8","1") = "9"
    & skf18("10","9","4","7","4","9","1") = "9"
    & skf18("10","9","4","7","4","10","1") = "9"
    & skf18("10","9","4","7","5","1","1") = "9"
    & skf18("10","9","4","7","5","2","1") = "9"
    & skf18("10","9","4","7","5","3","1") = "9"
    & skf18("10","9","4","7","5","4","1") = "9"
    & skf18("10","9","4","7","5","5","1") = "9"
    & skf18("10","9","4","7","5","6","1") = "9"
    & skf18("10","9","4","7","5","7","1") = "9"
    & skf18("10","9","4","7","5","8","1") = "9"
    & skf18("10","9","4","7","5","9","1") = "9"
    & skf18("10","9","4","7","5","10","1") = "9"
    & skf18("10","9","4","7","6","1","1") = "9"
    & skf18("10","9","4","7","6","2","1") = "9"
    & skf18("10","9","4","7","6","3","1") = "9"
    & skf18("10","9","4","7","6","4","1") = "9"
    & skf18("10","9","4","7","6","5","1") = "9"
    & skf18("10","9","4","7","6","6","1") = "9"
    & skf18("10","9","4","7","6","7","1") = "9"
    & skf18("10","9","4","7","6","8","1") = "9"
    & skf18("10","9","4","7","6","9","1") = "9"
    & skf18("10","9","4","7","6","10","1") = "9"
    & skf18("10","9","4","7","7","1","1") = "9"
    & skf18("10","9","4","7","7","2","1") = "9"
    & skf18("10","9","4","7","7","3","1") = "9"
    & skf18("10","9","4","7","7","4","1") = "9"
    & skf18("10","9","4","7","7","5","1") = "9"
    & skf18("10","9","4","7","7","6","1") = "9"
    & skf18("10","9","4","7","7","7","1") = "9"
    & skf18("10","9","4","7","7","8","1") = "9"
    & skf18("10","9","4","7","7","9","1") = "9"
    & skf18("10","9","4","7","7","10","1") = "9"
    & skf18("10","9","4","7","8","1","1") = "9"
    & skf18("10","9","4","7","8","2","1") = "9"
    & skf18("10","9","4","7","8","3","1") = "9"
    & skf18("10","9","4","7","8","4","1") = "9"
    & skf18("10","9","4","7","8","5","1") = "9"
    & skf18("10","9","4","7","8","6","1") = "9"
    & skf18("10","9","4","7","8","7","1") = "9"
    & skf18("10","9","4","7","8","8","1") = "9"
    & skf18("10","9","4","7","8","9","1") = "9"
    & skf18("10","9","4","7","8","10","1") = "9"
    & skf18("10","9","4","7","9","1","1") = "9"
    & skf18("10","9","4","7","9","2","1") = "9"
    & skf18("10","9","4","7","9","3","1") = "9"
    & skf18("10","9","4","7","9","4","1") = "9"
    & skf18("10","9","4","7","9","5","1") = "9"
    & skf18("10","9","4","7","9","6","1") = "9"
    & skf18("10","9","4","7","9","7","1") = "9"
    & skf18("10","9","4","7","9","8","1") = "9"
    & skf18("10","9","4","7","9","9","1") = "9"
    & skf18("10","9","4","7","9","10","1") = "9"
    & skf18("10","9","4","7","10","1","1") = "9"
    & skf18("10","9","4","7","10","2","1") = "9"
    & skf18("10","9","4","7","10","3","1") = "9"
    & skf18("10","9","4","7","10","4","1") = "9"
    & skf18("10","9","4","7","10","5","1") = "9"
    & skf18("10","9","4","7","10","6","1") = "9"
    & skf18("10","9","4","7","10","7","1") = "9"
    & skf18("10","9","4","7","10","8","1") = "9"
    & skf18("10","9","4","7","10","9","1") = "9"
    & skf18("10","9","4","7","10","10","1") = "9"
    & skf18("10","9","4","8","1","1","1") = "9"
    & skf18("10","9","4","8","1","2","1") = "9"
    & skf18("10","9","4","8","1","3","1") = "9"
    & skf18("10","9","4","8","1","4","1") = "9"
    & skf18("10","9","4","8","1","5","1") = "9"
    & skf18("10","9","4","8","1","6","1") = "9"
    & skf18("10","9","4","8","1","7","1") = "9"
    & skf18("10","9","4","8","1","8","1") = "9"
    & skf18("10","9","4","8","1","9","1") = "9"
    & skf18("10","9","4","8","1","10","1") = "9"
    & skf18("10","9","4","8","2","1","1") = "9"
    & skf18("10","9","4","8","2","2","1") = "9"
    & skf18("10","9","4","8","2","3","1") = "9"
    & skf18("10","9","4","8","2","4","1") = "9"
    & skf18("10","9","4","8","2","5","1") = "9"
    & skf18("10","9","4","8","2","6","1") = "9"
    & skf18("10","9","4","8","2","7","1") = "9"
    & skf18("10","9","4","8","2","8","1") = "9"
    & skf18("10","9","4","8","2","9","1") = "9"
    & skf18("10","9","4","8","2","10","1") = "9"
    & skf18("10","9","4","8","3","1","1") = "9"
    & skf18("10","9","4","8","3","2","1") = "9"
    & skf18("10","9","4","8","3","3","1") = "9"
    & skf18("10","9","4","8","3","4","1") = "9"
    & skf18("10","9","4","8","3","5","1") = "9"
    & skf18("10","9","4","8","3","6","1") = "9"
    & skf18("10","9","4","8","3","7","1") = "9"
    & skf18("10","9","4","8","3","8","1") = "9"
    & skf18("10","9","4","8","3","9","1") = "9"
    & skf18("10","9","4","8","3","10","1") = "9"
    & skf18("10","9","4","8","4","1","1") = "9"
    & skf18("10","9","4","8","4","2","1") = "9"
    & skf18("10","9","4","8","4","3","1") = "9"
    & skf18("10","9","4","8","4","4","1") = "9"
    & skf18("10","9","4","8","4","5","1") = "9"
    & skf18("10","9","4","8","4","6","1") = "9"
    & skf18("10","9","4","8","4","7","1") = "9"
    & skf18("10","9","4","8","4","8","1") = "9"
    & skf18("10","9","4","8","4","9","1") = "9"
    & skf18("10","9","4","8","4","10","1") = "9"
    & skf18("10","9","4","8","5","1","1") = "9"
    & skf18("10","9","4","8","5","2","1") = "9"
    & skf18("10","9","4","8","5","3","1") = "9"
    & skf18("10","9","4","8","5","4","1") = "9"
    & skf18("10","9","4","8","5","5","1") = "9"
    & skf18("10","9","4","8","5","6","1") = "9"
    & skf18("10","9","4","8","5","7","1") = "9"
    & skf18("10","9","4","8","5","8","1") = "9"
    & skf18("10","9","4","8","5","9","1") = "9"
    & skf18("10","9","4","8","5","10","1") = "9"
    & skf18("10","9","4","8","6","1","1") = "9"
    & skf18("10","9","4","8","6","2","1") = "9"
    & skf18("10","9","4","8","6","3","1") = "9"
    & skf18("10","9","4","8","6","4","1") = "9"
    & skf18("10","9","4","8","6","5","1") = "9"
    & skf18("10","9","4","8","6","6","1") = "9"
    & skf18("10","9","4","8","6","7","1") = "9"
    & skf18("10","9","4","8","6","8","1") = "9"
    & skf18("10","9","4","8","6","9","1") = "9"
    & skf18("10","9","4","8","6","10","1") = "9"
    & skf18("10","9","4","8","7","1","1") = "9"
    & skf18("10","9","4","8","7","2","1") = "9"
    & skf18("10","9","4","8","7","3","1") = "9"
    & skf18("10","9","4","8","7","4","1") = "9"
    & skf18("10","9","4","8","7","5","1") = "9"
    & skf18("10","9","4","8","7","6","1") = "9"
    & skf18("10","9","4","8","7","7","1") = "9"
    & skf18("10","9","4","8","7","8","1") = "9"
    & skf18("10","9","4","8","7","9","1") = "9"
    & skf18("10","9","4","8","7","10","1") = "9"
    & skf18("10","9","4","8","8","1","1") = "9"
    & skf18("10","9","4","8","8","2","1") = "9"
    & skf18("10","9","4","8","8","3","1") = "9"
    & skf18("10","9","4","8","8","4","1") = "9"
    & skf18("10","9","4","8","8","5","1") = "9"
    & skf18("10","9","4","8","8","6","1") = "9"
    & skf18("10","9","4","8","8","7","1") = "9"
    & skf18("10","9","4","8","8","8","1") = "9"
    & skf18("10","9","4","8","8","9","1") = "9"
    & skf18("10","9","4","8","8","10","1") = "9"
    & skf18("10","9","4","8","9","1","1") = "9"
    & skf18("10","9","4","8","9","2","1") = "9"
    & skf18("10","9","4","8","9","3","1") = "9"
    & skf18("10","9","4","8","9","4","1") = "9"
    & skf18("10","9","4","8","9","5","1") = "9"
    & skf18("10","9","4","8","9","6","1") = "9"
    & skf18("10","9","4","8","9","7","1") = "9"
    & skf18("10","9","4","8","9","8","1") = "9"
    & skf18("10","9","4","8","9","9","1") = "9"
    & skf18("10","9","4","8","9","10","1") = "9"
    & skf18("10","9","4","8","10","1","1") = "9"
    & skf18("10","9","4","8","10","2","1") = "9"
    & skf18("10","9","4","8","10","3","1") = "9"
    & skf18("10","9","4","8","10","4","1") = "9"
    & skf18("10","9","4","8","10","5","1") = "9"
    & skf18("10","9","4","8","10","6","1") = "9"
    & skf18("10","9","4","8","10","7","1") = "9"
    & skf18("10","9","4","8","10","8","1") = "9"
    & skf18("10","9","4","8","10","9","1") = "9"
    & skf18("10","9","4","8","10","10","1") = "9"
    & skf18("10","9","4","9","1","1","1") = "9"
    & skf18("10","9","4","9","1","2","1") = "9"
    & skf18("10","9","4","9","1","3","1") = "9"
    & skf18("10","9","4","9","1","4","1") = "9"
    & skf18("10","9","4","9","1","5","1") = "9"
    & skf18("10","9","4","9","1","6","1") = "9"
    & skf18("10","9","4","9","1","7","1") = "9"
    & skf18("10","9","4","9","1","8","1") = "9"
    & skf18("10","9","4","9","1","9","1") = "9"
    & skf18("10","9","4","9","1","10","1") = "9"
    & skf18("10","9","4","9","2","1","1") = "9"
    & skf18("10","9","4","9","2","2","1") = "9"
    & skf18("10","9","4","9","2","3","1") = "9"
    & skf18("10","9","4","9","2","4","1") = "9"
    & skf18("10","9","4","9","2","5","1") = "9"
    & skf18("10","9","4","9","2","6","1") = "9"
    & skf18("10","9","4","9","2","7","1") = "9"
    & skf18("10","9","4","9","2","8","1") = "9"
    & skf18("10","9","4","9","2","9","1") = "9"
    & skf18("10","9","4","9","2","10","1") = "9"
    & skf18("10","9","4","9","3","1","1") = "9"
    & skf18("10","9","4","9","3","2","1") = "9"
    & skf18("10","9","4","9","3","3","1") = "9"
    & skf18("10","9","4","9","3","4","1") = "9"
    & skf18("10","9","4","9","3","5","1") = "9"
    & skf18("10","9","4","9","3","6","1") = "9"
    & skf18("10","9","4","9","3","7","1") = "9"
    & skf18("10","9","4","9","3","8","1") = "9"
    & skf18("10","9","4","9","3","9","1") = "9"
    & skf18("10","9","4","9","3","10","1") = "9"
    & skf18("10","9","4","9","4","1","1") = "9"
    & skf18("10","9","4","9","4","2","1") = "9"
    & skf18("10","9","4","9","4","3","1") = "9"
    & skf18("10","9","4","9","4","4","1") = "9"
    & skf18("10","9","4","9","4","5","1") = "9"
    & skf18("10","9","4","9","4","6","1") = "9"
    & skf18("10","9","4","9","4","7","1") = "9"
    & skf18("10","9","4","9","4","8","1") = "9"
    & skf18("10","9","4","9","4","9","1") = "9"
    & skf18("10","9","4","9","4","10","1") = "9"
    & skf18("10","9","4","9","5","1","1") = "9"
    & skf18("10","9","4","9","5","2","1") = "9"
    & skf18("10","9","4","9","5","3","1") = "9"
    & skf18("10","9","4","9","5","4","1") = "9"
    & skf18("10","9","4","9","5","5","1") = "9"
    & skf18("10","9","4","9","5","6","1") = "9"
    & skf18("10","9","4","9","5","7","1") = "9"
    & skf18("10","9","4","9","5","8","1") = "9"
    & skf18("10","9","4","9","5","9","1") = "9"
    & skf18("10","9","4","9","5","10","1") = "9"
    & skf18("10","9","4","9","6","1","1") = "9"
    & skf18("10","9","4","9","6","2","1") = "9"
    & skf18("10","9","4","9","6","3","1") = "9"
    & skf18("10","9","4","9","6","4","1") = "9"
    & skf18("10","9","4","9","6","5","1") = "9"
    & skf18("10","9","4","9","6","6","1") = "9"
    & skf18("10","9","4","9","6","7","1") = "9"
    & skf18("10","9","4","9","6","8","1") = "9"
    & skf18("10","9","4","9","6","9","1") = "9"
    & skf18("10","9","4","9","6","10","1") = "9"
    & skf18("10","9","4","9","7","1","1") = "9"
    & skf18("10","9","4","9","7","2","1") = "9"
    & skf18("10","9","4","9","7","3","1") = "9"
    & skf18("10","9","4","9","7","4","1") = "9"
    & skf18("10","9","4","9","7","5","1") = "9"
    & skf18("10","9","4","9","7","6","1") = "9"
    & skf18("10","9","4","9","7","7","1") = "9"
    & skf18("10","9","4","9","7","8","1") = "9"
    & skf18("10","9","4","9","7","9","1") = "9"
    & skf18("10","9","4","9","7","10","1") = "9"
    & skf18("10","9","4","9","8","1","1") = "9"
    & skf18("10","9","4","9","8","2","1") = "9"
    & skf18("10","9","4","9","8","3","1") = "9"
    & skf18("10","9","4","9","8","4","1") = "9"
    & skf18("10","9","4","9","8","5","1") = "9"
    & skf18("10","9","4","9","8","6","1") = "9"
    & skf18("10","9","4","9","8","7","1") = "9"
    & skf18("10","9","4","9","8","8","1") = "9"
    & skf18("10","9","4","9","8","9","1") = "9"
    & skf18("10","9","4","9","8","10","1") = "9"
    & skf18("10","9","4","9","9","1","1") = "9"
    & skf18("10","9","4","9","9","2","1") = "9"
    & skf18("10","9","4","9","9","3","1") = "9"
    & skf18("10","9","4","9","9","4","1") = "9"
    & skf18("10","9","4","9","9","5","1") = "9"
    & skf18("10","9","4","9","9","6","1") = "9"
    & skf18("10","9","4","9","9","7","1") = "9"
    & skf18("10","9","4","9","9","8","1") = "9"
    & skf18("10","9","4","9","9","9","1") = "9"
    & skf18("10","9","4","9","9","10","1") = "9"
    & skf18("10","9","4","9","10","1","1") = "9"
    & skf18("10","9","4","9","10","2","1") = "9"
    & skf18("10","9","4","9","10","3","1") = "9"
    & skf18("10","9","4","9","10","4","1") = "9"
    & skf18("10","9","4","9","10","5","1") = "9"
    & skf18("10","9","4","9","10","6","1") = "9"
    & skf18("10","9","4","9","10","7","1") = "9"
    & skf18("10","9","4","9","10","8","1") = "9"
    & skf18("10","9","4","9","10","9","1") = "9"
    & skf18("10","9","4","9","10","10","1") = "9"
    & skf18("10","9","4","10","1","1","1") = "9"
    & skf18("10","9","4","10","1","2","1") = "9"
    & skf18("10","9","4","10","1","3","1") = "9"
    & skf18("10","9","4","10","1","4","1") = "9"
    & skf18("10","9","4","10","1","5","1") = "9"
    & skf18("10","9","4","10","1","6","1") = "9"
    & skf18("10","9","4","10","1","7","1") = "9"
    & skf18("10","9","4","10","1","8","1") = "9"
    & skf18("10","9","4","10","1","9","1") = "9"
    & skf18("10","9","4","10","1","10","1") = "9"
    & skf18("10","9","4","10","2","1","1") = "9"
    & skf18("10","9","4","10","2","2","1") = "9"
    & skf18("10","9","4","10","2","3","1") = "9"
    & skf18("10","9","4","10","2","4","1") = "9"
    & skf18("10","9","4","10","2","5","1") = "9"
    & skf18("10","9","4","10","2","6","1") = "9"
    & skf18("10","9","4","10","2","7","1") = "9"
    & skf18("10","9","4","10","2","8","1") = "9"
    & skf18("10","9","4","10","2","9","1") = "9"
    & skf18("10","9","4","10","2","10","1") = "9"
    & skf18("10","9","4","10","3","1","1") = "9"
    & skf18("10","9","4","10","3","2","1") = "9"
    & skf18("10","9","4","10","3","3","1") = "9"
    & skf18("10","9","4","10","3","4","1") = "9"
    & skf18("10","9","4","10","3","5","1") = "9"
    & skf18("10","9","4","10","3","6","1") = "9"
    & skf18("10","9","4","10","3","7","1") = "9"
    & skf18("10","9","4","10","3","8","1") = "9"
    & skf18("10","9","4","10","3","9","1") = "9"
    & skf18("10","9","4","10","3","10","1") = "9"
    & skf18("10","9","4","10","4","1","1") = "9"
    & skf18("10","9","4","10","4","2","1") = "9"
    & skf18("10","9","4","10","4","3","1") = "9"
    & skf18("10","9","4","10","4","4","1") = "9"
    & skf18("10","9","4","10","4","5","1") = "9"
    & skf18("10","9","4","10","4","6","1") = "9"
    & skf18("10","9","4","10","4","7","1") = "9"
    & skf18("10","9","4","10","4","8","1") = "9"
    & skf18("10","9","4","10","4","9","1") = "9"
    & skf18("10","9","4","10","4","10","1") = "9"
    & skf18("10","9","4","10","5","1","1") = "9"
    & skf18("10","9","4","10","5","2","1") = "9"
    & skf18("10","9","4","10","5","3","1") = "9"
    & skf18("10","9","4","10","5","4","1") = "9"
    & skf18("10","9","4","10","5","5","1") = "9"
    & skf18("10","9","4","10","5","6","1") = "9"
    & skf18("10","9","4","10","5","7","1") = "9"
    & skf18("10","9","4","10","5","8","1") = "9"
    & skf18("10","9","4","10","5","9","1") = "9"
    & skf18("10","9","4","10","5","10","1") = "9"
    & skf18("10","9","4","10","6","1","1") = "9"
    & skf18("10","9","4","10","6","2","1") = "9"
    & skf18("10","9","4","10","6","3","1") = "9"
    & skf18("10","9","4","10","6","4","1") = "9"
    & skf18("10","9","4","10","6","5","1") = "9"
    & skf18("10","9","4","10","6","6","1") = "9"
    & skf18("10","9","4","10","6","7","1") = "9"
    & skf18("10","9","4","10","6","8","1") = "9"
    & skf18("10","9","4","10","6","9","1") = "9"
    & skf18("10","9","4","10","6","10","1") = "9"
    & skf18("10","9","4","10","7","1","1") = "9"
    & skf18("10","9","4","10","7","2","1") = "9"
    & skf18("10","9","4","10","7","3","1") = "9"
    & skf18("10","9","4","10","7","4","1") = "9"
    & skf18("10","9","4","10","7","5","1") = "9"
    & skf18("10","9","4","10","7","6","1") = "9"
    & skf18("10","9","4","10","7","7","1") = "9"
    & skf18("10","9","4","10","7","8","1") = "9"
    & skf18("10","9","4","10","7","9","1") = "9"
    & skf18("10","9","4","10","7","10","1") = "9"
    & skf18("10","9","4","10","8","1","1") = "9"
    & skf18("10","9","4","10","8","2","1") = "9"
    & skf18("10","9","4","10","8","3","1") = "9"
    & skf18("10","9","4","10","8","4","1") = "9"
    & skf18("10","9","4","10","8","5","1") = "9"
    & skf18("10","9","4","10","8","6","1") = "9"
    & skf18("10","9","4","10","8","7","1") = "9"
    & skf18("10","9","4","10","8","8","1") = "9"
    & skf18("10","9","4","10","8","9","1") = "9"
    & skf18("10","9","4","10","8","10","1") = "9"
    & skf18("10","9","4","10","9","1","1") = "9"
    & skf18("10","9","4","10","9","2","1") = "9"
    & skf18("10","9","4","10","9","3","1") = "9"
    & skf18("10","9","4","10","9","4","1") = "9"
    & skf18("10","9","4","10","9","5","1") = "9"
    & skf18("10","9","4","10","9","6","1") = "9"
    & skf18("10","9","4","10","9","7","1") = "9"
    & skf18("10","9","4","10","9","8","1") = "9"
    & skf18("10","9","4","10","9","9","1") = "9"
    & skf18("10","9","4","10","9","10","1") = "9"
    & skf18("10","9","4","10","10","1","1") = "9"
    & skf18("10","9","4","10","10","2","1") = "9"
    & skf18("10","9","4","10","10","3","1") = "9"
    & skf18("10","9","4","10","10","4","1") = "9"
    & skf18("10","9","4","10","10","5","1") = "9"
    & skf18("10","9","4","10","10","6","1") = "9"
    & skf18("10","9","4","10","10","7","1") = "9"
    & skf18("10","9","4","10","10","8","1") = "9"
    & skf18("10","9","4","10","10","9","1") = "9"
    & skf18("10","9","4","10","10","10","1") = "9"
    & skf18("10","9","5","1","1","1","1") = "9"
    & skf18("10","9","5","1","1","2","1") = "9"
    & skf18("10","9","5","1","1","3","1") = "9"
    & skf18("10","9","5","1","1","4","1") = "9"
    & skf18("10","9","5","1","1","5","1") = "9"
    & skf18("10","9","5","1","1","6","1") = "9"
    & skf18("10","9","5","1","1","7","1") = "9"
    & skf18("10","9","5","1","1","8","1") = "9"
    & skf18("10","9","5","1","1","9","1") = "9"
    & skf18("10","9","5","1","1","10","1") = "9"
    & skf18("10","9","5","1","2","1","1") = "9"
    & skf18("10","9","5","1","2","2","1") = "9"
    & skf18("10","9","5","1","2","3","1") = "9"
    & skf18("10","9","5","1","2","4","1") = "9"
    & skf18("10","9","5","1","2","5","1") = "9"
    & skf18("10","9","5","1","2","6","1") = "9"
    & skf18("10","9","5","1","2","7","1") = "9"
    & skf18("10","9","5","1","2","8","1") = "9"
    & skf18("10","9","5","1","2","9","1") = "9"
    & skf18("10","9","5","1","2","10","1") = "9"
    & skf18("10","9","5","1","3","1","1") = "9"
    & skf18("10","9","5","1","3","2","1") = "9"
    & skf18("10","9","5","1","3","3","1") = "9"
    & skf18("10","9","5","1","3","4","1") = "9"
    & skf18("10","9","5","1","3","5","1") = "9"
    & skf18("10","9","5","1","3","6","1") = "9"
    & skf18("10","9","5","1","3","7","1") = "9"
    & skf18("10","9","5","1","3","8","1") = "9"
    & skf18("10","9","5","1","3","9","1") = "9"
    & skf18("10","9","5","1","3","10","1") = "9"
    & skf18("10","9","5","1","4","1","1") = "9"
    & skf18("10","9","5","1","4","2","1") = "9"
    & skf18("10","9","5","1","4","3","1") = "9"
    & skf18("10","9","5","1","4","4","1") = "9"
    & skf18("10","9","5","1","4","5","1") = "9"
    & skf18("10","9","5","1","4","6","1") = "9"
    & skf18("10","9","5","1","4","7","1") = "9"
    & skf18("10","9","5","1","4","8","1") = "9"
    & skf18("10","9","5","1","4","9","1") = "9"
    & skf18("10","9","5","1","4","10","1") = "9"
    & skf18("10","9","5","1","5","1","1") = "9"
    & skf18("10","9","5","1","5","2","1") = "9"
    & skf18("10","9","5","1","5","3","1") = "9"
    & skf18("10","9","5","1","5","4","1") = "9"
    & skf18("10","9","5","1","5","5","1") = "9"
    & skf18("10","9","5","1","5","6","1") = "9"
    & skf18("10","9","5","1","5","7","1") = "9"
    & skf18("10","9","5","1","5","8","1") = "9"
    & skf18("10","9","5","1","5","9","1") = "9"
    & skf18("10","9","5","1","5","10","1") = "9"
    & skf18("10","9","5","1","6","1","1") = "9"
    & skf18("10","9","5","1","6","2","1") = "9"
    & skf18("10","9","5","1","6","3","1") = "9"
    & skf18("10","9","5","1","6","4","1") = "9"
    & skf18("10","9","5","1","6","5","1") = "9"
    & skf18("10","9","5","1","6","6","1") = "9"
    & skf18("10","9","5","1","6","7","1") = "9"
    & skf18("10","9","5","1","6","8","1") = "9"
    & skf18("10","9","5","1","6","9","1") = "9"
    & skf18("10","9","5","1","6","10","1") = "9"
    & skf18("10","9","5","1","7","1","1") = "9"
    & skf18("10","9","5","1","7","2","1") = "9"
    & skf18("10","9","5","1","7","3","1") = "9"
    & skf18("10","9","5","1","7","4","1") = "9"
    & skf18("10","9","5","1","7","5","1") = "9"
    & skf18("10","9","5","1","7","6","1") = "9"
    & skf18("10","9","5","1","7","7","1") = "9"
    & skf18("10","9","5","1","7","8","1") = "9"
    & skf18("10","9","5","1","7","9","1") = "9"
    & skf18("10","9","5","1","7","10","1") = "9"
    & skf18("10","9","5","1","8","1","1") = "9"
    & skf18("10","9","5","1","8","2","1") = "9"
    & skf18("10","9","5","1","8","3","1") = "9"
    & skf18("10","9","5","1","8","4","1") = "9"
    & skf18("10","9","5","1","8","5","1") = "9"
    & skf18("10","9","5","1","8","6","1") = "9"
    & skf18("10","9","5","1","8","7","1") = "9"
    & skf18("10","9","5","1","8","8","1") = "9"
    & skf18("10","9","5","1","8","9","1") = "9"
    & skf18("10","9","5","1","8","10","1") = "9"
    & skf18("10","9","5","1","9","1","1") = "9"
    & skf18("10","9","5","1","9","2","1") = "9"
    & skf18("10","9","5","1","9","3","1") = "9"
    & skf18("10","9","5","1","9","4","1") = "9"
    & skf18("10","9","5","1","9","5","1") = "9"
    & skf18("10","9","5","1","9","6","1") = "9"
    & skf18("10","9","5","1","9","7","1") = "9"
    & skf18("10","9","5","1","9","8","1") = "9"
    & skf18("10","9","5","1","9","9","1") = "9"
    & skf18("10","9","5","1","9","10","1") = "9"
    & skf18("10","9","5","1","10","1","1") = "9"
    & skf18("10","9","5","1","10","2","1") = "9"
    & skf18("10","9","5","1","10","3","1") = "9"
    & skf18("10","9","5","1","10","4","1") = "9"
    & skf18("10","9","5","1","10","5","1") = "9"
    & skf18("10","9","5","1","10","6","1") = "9"
    & skf18("10","9","5","1","10","7","1") = "9"
    & skf18("10","9","5","1","10","8","1") = "9"
    & skf18("10","9","5","1","10","9","1") = "9"
    & skf18("10","9","5","1","10","10","1") = "9"
    & skf18("10","9","5","2","1","1","1") = "9"
    & skf18("10","9","5","2","1","2","1") = "9"
    & skf18("10","9","5","2","1","3","1") = "9"
    & skf18("10","9","5","2","1","4","1") = "9"
    & skf18("10","9","5","2","1","5","1") = "9"
    & skf18("10","9","5","2","1","6","1") = "9"
    & skf18("10","9","5","2","1","7","1") = "9"
    & skf18("10","9","5","2","1","8","1") = "9"
    & skf18("10","9","5","2","1","9","1") = "9"
    & skf18("10","9","5","2","1","10","1") = "9"
    & skf18("10","9","5","2","2","1","1") = "9"
    & skf18("10","9","5","2","2","2","1") = "9"
    & skf18("10","9","5","2","2","3","1") = "9"
    & skf18("10","9","5","2","2","4","1") = "9"
    & skf18("10","9","5","2","2","5","1") = "9"
    & skf18("10","9","5","2","2","6","1") = "9"
    & skf18("10","9","5","2","2","7","1") = "9"
    & skf18("10","9","5","2","2","8","1") = "9"
    & skf18("10","9","5","2","2","9","1") = "9"
    & skf18("10","9","5","2","2","10","1") = "9"
    & skf18("10","9","5","2","3","1","1") = "9"
    & skf18("10","9","5","2","3","2","1") = "9"
    & skf18("10","9","5","2","3","3","1") = "9"
    & skf18("10","9","5","2","3","4","1") = "9"
    & skf18("10","9","5","2","3","5","1") = "9"
    & skf18("10","9","5","2","3","6","1") = "9"
    & skf18("10","9","5","2","3","7","1") = "9"
    & skf18("10","9","5","2","3","8","1") = "9"
    & skf18("10","9","5","2","3","9","1") = "9"
    & skf18("10","9","5","2","3","10","1") = "9"
    & skf18("10","9","5","2","4","1","1") = "9"
    & skf18("10","9","5","2","4","2","1") = "9"
    & skf18("10","9","5","2","4","3","1") = "9"
    & skf18("10","9","5","2","4","4","1") = "9"
    & skf18("10","9","5","2","4","5","1") = "9"
    & skf18("10","9","5","2","4","6","1") = "9"
    & skf18("10","9","5","2","4","7","1") = "9"
    & skf18("10","9","5","2","4","8","1") = "9"
    & skf18("10","9","5","2","4","9","1") = "9"
    & skf18("10","9","5","2","4","10","1") = "9"
    & skf18("10","9","5","2","5","1","1") = "9"
    & skf18("10","9","5","2","5","2","1") = "9"
    & skf18("10","9","5","2","5","3","1") = "9"
    & skf18("10","9","5","2","5","4","1") = "9"
    & skf18("10","9","5","2","5","5","1") = "9"
    & skf18("10","9","5","2","5","6","1") = "9"
    & skf18("10","9","5","2","5","7","1") = "9"
    & skf18("10","9","5","2","5","8","1") = "9"
    & skf18("10","9","5","2","5","9","1") = "9"
    & skf18("10","9","5","2","5","10","1") = "9"
    & skf18("10","9","5","2","6","1","1") = "9"
    & skf18("10","9","5","2","6","2","1") = "9"
    & skf18("10","9","5","2","6","3","1") = "9"
    & skf18("10","9","5","2","6","4","1") = "9"
    & skf18("10","9","5","2","6","5","1") = "9"
    & skf18("10","9","5","2","6","6","1") = "9"
    & skf18("10","9","5","2","6","7","1") = "9"
    & skf18("10","9","5","2","6","8","1") = "9"
    & skf18("10","9","5","2","6","9","1") = "9"
    & skf18("10","9","5","2","6","10","1") = "9"
    & skf18("10","9","5","2","7","1","1") = "9"
    & skf18("10","9","5","2","7","2","1") = "9"
    & skf18("10","9","5","2","7","3","1") = "9"
    & skf18("10","9","5","2","7","4","1") = "9"
    & skf18("10","9","5","2","7","5","1") = "9"
    & skf18("10","9","5","2","7","6","1") = "9"
    & skf18("10","9","5","2","7","7","1") = "9"
    & skf18("10","9","5","2","7","8","1") = "9"
    & skf18("10","9","5","2","7","9","1") = "9"
    & skf18("10","9","5","2","7","10","1") = "9"
    & skf18("10","9","5","2","8","1","1") = "9"
    & skf18("10","9","5","2","8","2","1") = "9"
    & skf18("10","9","5","2","8","3","1") = "9"
    & skf18("10","9","5","2","8","4","1") = "9"
    & skf18("10","9","5","2","8","5","1") = "9"
    & skf18("10","9","5","2","8","6","1") = "9"
    & skf18("10","9","5","2","8","7","1") = "9"
    & skf18("10","9","5","2","8","8","1") = "9"
    & skf18("10","9","5","2","8","9","1") = "9"
    & skf18("10","9","5","2","8","10","1") = "9"
    & skf18("10","9","5","2","9","1","1") = "9"
    & skf18("10","9","5","2","9","2","1") = "9"
    & skf18("10","9","5","2","9","3","1") = "9"
    & skf18("10","9","5","2","9","4","1") = "9"
    & skf18("10","9","5","2","9","5","1") = "9"
    & skf18("10","9","5","2","9","6","1") = "9"
    & skf18("10","9","5","2","9","7","1") = "9"
    & skf18("10","9","5","2","9","8","1") = "9"
    & skf18("10","9","5","2","9","9","1") = "9"
    & skf18("10","9","5","2","9","10","1") = "9"
    & skf18("10","9","5","2","10","1","1") = "9"
    & skf18("10","9","5","2","10","2","1") = "9"
    & skf18("10","9","5","2","10","3","1") = "9"
    & skf18("10","9","5","2","10","4","1") = "9"
    & skf18("10","9","5","2","10","5","1") = "9"
    & skf18("10","9","5","2","10","6","1") = "9"
    & skf18("10","9","5","2","10","7","1") = "9"
    & skf18("10","9","5","2","10","8","1") = "9"
    & skf18("10","9","5","2","10","9","1") = "9"
    & skf18("10","9","5","2","10","10","1") = "9"
    & skf18("10","9","5","3","1","1","1") = "9"
    & skf18("10","9","5","3","1","2","1") = "9"
    & skf18("10","9","5","3","1","3","1") = "9"
    & skf18("10","9","5","3","1","4","1") = "9"
    & skf18("10","9","5","3","1","5","1") = "9"
    & skf18("10","9","5","3","1","6","1") = "9"
    & skf18("10","9","5","3","1","7","1") = "9"
    & skf18("10","9","5","3","1","8","1") = "9"
    & skf18("10","9","5","3","1","9","1") = "9"
    & skf18("10","9","5","3","1","10","1") = "9"
    & skf18("10","9","5","3","2","1","1") = "9"
    & skf18("10","9","5","3","2","2","1") = "9"
    & skf18("10","9","5","3","2","3","1") = "9"
    & skf18("10","9","5","3","2","4","1") = "9"
    & skf18("10","9","5","3","2","5","1") = "9"
    & skf18("10","9","5","3","2","6","1") = "9"
    & skf18("10","9","5","3","2","7","1") = "9"
    & skf18("10","9","5","3","2","8","1") = "9"
    & skf18("10","9","5","3","2","9","1") = "9"
    & skf18("10","9","5","3","2","10","1") = "9"
    & skf18("10","9","5","3","3","1","1") = "9"
    & skf18("10","9","5","3","3","2","1") = "9"
    & skf18("10","9","5","3","3","3","1") = "9"
    & skf18("10","9","5","3","3","4","1") = "9"
    & skf18("10","9","5","3","3","5","1") = "9"
    & skf18("10","9","5","3","3","6","1") = "9"
    & skf18("10","9","5","3","3","7","1") = "9"
    & skf18("10","9","5","3","3","8","1") = "9"
    & skf18("10","9","5","3","3","9","1") = "9"
    & skf18("10","9","5","3","3","10","1") = "9"
    & skf18("10","9","5","3","4","1","1") = "9"
    & skf18("10","9","5","3","4","2","1") = "9"
    & skf18("10","9","5","3","4","3","1") = "9"
    & skf18("10","9","5","3","4","4","1") = "9"
    & skf18("10","9","5","3","4","5","1") = "9"
    & skf18("10","9","5","3","4","6","1") = "9"
    & skf18("10","9","5","3","4","7","1") = "9"
    & skf18("10","9","5","3","4","8","1") = "9"
    & skf18("10","9","5","3","4","9","1") = "9"
    & skf18("10","9","5","3","4","10","1") = "9"
    & skf18("10","9","5","3","5","1","1") = "9"
    & skf18("10","9","5","3","5","2","1") = "9"
    & skf18("10","9","5","3","5","3","1") = "9"
    & skf18("10","9","5","3","5","4","1") = "9"
    & skf18("10","9","5","3","5","5","1") = "9"
    & skf18("10","9","5","3","5","6","1") = "9"
    & skf18("10","9","5","3","5","7","1") = "9"
    & skf18("10","9","5","3","5","8","1") = "9"
    & skf18("10","9","5","3","5","9","1") = "9"
    & skf18("10","9","5","3","5","10","1") = "9"
    & skf18("10","9","5","3","6","1","1") = "9"
    & skf18("10","9","5","3","6","2","1") = "9"
    & skf18("10","9","5","3","6","3","1") = "9"
    & skf18("10","9","5","3","6","4","1") = "9"
    & skf18("10","9","5","3","6","5","1") = "9"
    & skf18("10","9","5","3","6","6","1") = "9"
    & skf18("10","9","5","3","6","7","1") = "9"
    & skf18("10","9","5","3","6","8","1") = "9"
    & skf18("10","9","5","3","6","9","1") = "9"
    & skf18("10","9","5","3","6","10","1") = "9"
    & skf18("10","9","5","3","7","1","1") = "9"
    & skf18("10","9","5","3","7","2","1") = "9"
    & skf18("10","9","5","3","7","3","1") = "9"
    & skf18("10","9","5","3","7","4","1") = "9"
    & skf18("10","9","5","3","7","5","1") = "9"
    & skf18("10","9","5","3","7","6","1") = "9"
    & skf18("10","9","5","3","7","7","1") = "9"
    & skf18("10","9","5","3","7","8","1") = "9"
    & skf18("10","9","5","3","7","9","1") = "9"
    & skf18("10","9","5","3","7","10","1") = "9"
    & skf18("10","9","5","3","8","1","1") = "9"
    & skf18("10","9","5","3","8","2","1") = "9"
    & skf18("10","9","5","3","8","3","1") = "9"
    & skf18("10","9","5","3","8","4","1") = "9"
    & skf18("10","9","5","3","8","5","1") = "9"
    & skf18("10","9","5","3","8","6","1") = "9"
    & skf18("10","9","5","3","8","7","1") = "9"
    & skf18("10","9","5","3","8","8","1") = "9"
    & skf18("10","9","5","3","8","9","1") = "9"
    & skf18("10","9","5","3","8","10","1") = "9"
    & skf18("10","9","5","3","9","1","1") = "9"
    & skf18("10","9","5","3","9","2","1") = "9"
    & skf18("10","9","5","3","9","3","1") = "9"
    & skf18("10","9","5","3","9","4","1") = "9"
    & skf18("10","9","5","3","9","5","1") = "9"
    & skf18("10","9","5","3","9","6","1") = "9"
    & skf18("10","9","5","3","9","7","1") = "9"
    & skf18("10","9","5","3","9","8","1") = "9"
    & skf18("10","9","5","3","9","9","1") = "9"
    & skf18("10","9","5","3","9","10","1") = "9"
    & skf18("10","9","5","3","10","1","1") = "9"
    & skf18("10","9","5","3","10","2","1") = "9"
    & skf18("10","9","5","3","10","3","1") = "9"
    & skf18("10","9","5","3","10","4","1") = "9"
    & skf18("10","9","5","3","10","5","1") = "9"
    & skf18("10","9","5","3","10","6","1") = "9"
    & skf18("10","9","5","3","10","7","1") = "9"
    & skf18("10","9","5","3","10","8","1") = "9"
    & skf18("10","9","5","3","10","9","1") = "9"
    & skf18("10","9","5","3","10","10","1") = "9"
    & skf18("10","9","5","4","1","1","1") = "9"
    & skf18("10","9","5","4","1","2","1") = "9"
    & skf18("10","9","5","4","1","3","1") = "9"
    & skf18("10","9","5","4","1","4","1") = "9"
    & skf18("10","9","5","4","1","5","1") = "9"
    & skf18("10","9","5","4","1","6","1") = "9"
    & skf18("10","9","5","4","1","7","1") = "9"
    & skf18("10","9","5","4","1","8","1") = "9"
    & skf18("10","9","5","4","1","9","1") = "9"
    & skf18("10","9","5","4","1","10","1") = "9"
    & skf18("10","9","5","4","2","1","1") = "9"
    & skf18("10","9","5","4","2","2","1") = "9"
    & skf18("10","9","5","4","2","3","1") = "9"
    & skf18("10","9","5","4","2","4","1") = "9"
    & skf18("10","9","5","4","2","5","1") = "9"
    & skf18("10","9","5","4","2","6","1") = "9"
    & skf18("10","9","5","4","2","7","1") = "9"
    & skf18("10","9","5","4","2","8","1") = "9"
    & skf18("10","9","5","4","2","9","1") = "9"
    & skf18("10","9","5","4","2","10","1") = "9"
    & skf18("10","9","5","4","3","1","1") = "9"
    & skf18("10","9","5","4","3","2","1") = "9"
    & skf18("10","9","5","4","3","3","1") = "9"
    & skf18("10","9","5","4","3","4","1") = "9"
    & skf18("10","9","5","4","3","5","1") = "9"
    & skf18("10","9","5","4","3","6","1") = "9"
    & skf18("10","9","5","4","3","7","1") = "9"
    & skf18("10","9","5","4","3","8","1") = "9"
    & skf18("10","9","5","4","3","9","1") = "9"
    & skf18("10","9","5","4","3","10","1") = "9"
    & skf18("10","9","5","4","4","1","1") = "9"
    & skf18("10","9","5","4","4","2","1") = "9"
    & skf18("10","9","5","4","4","3","1") = "9"
    & skf18("10","9","5","4","4","4","1") = "9"
    & skf18("10","9","5","4","4","5","1") = "9"
    & skf18("10","9","5","4","4","6","1") = "9"
    & skf18("10","9","5","4","4","7","1") = "9"
    & skf18("10","9","5","4","4","8","1") = "9"
    & skf18("10","9","5","4","4","9","1") = "9"
    & skf18("10","9","5","4","4","10","1") = "9"
    & skf18("10","9","5","4","5","1","1") = "9"
    & skf18("10","9","5","4","5","2","1") = "9"
    & skf18("10","9","5","4","5","3","1") = "9"
    & skf18("10","9","5","4","5","4","1") = "9"
    & skf18("10","9","5","4","5","5","1") = "9"
    & skf18("10","9","5","4","5","6","1") = "9"
    & skf18("10","9","5","4","5","7","1") = "9"
    & skf18("10","9","5","4","5","8","1") = "9"
    & skf18("10","9","5","4","5","9","1") = "9"
    & skf18("10","9","5","4","5","10","1") = "9"
    & skf18("10","9","5","4","6","1","1") = "9"
    & skf18("10","9","5","4","6","2","1") = "9"
    & skf18("10","9","5","4","6","3","1") = "9"
    & skf18("10","9","5","4","6","4","1") = "9"
    & skf18("10","9","5","4","6","5","1") = "9"
    & skf18("10","9","5","4","6","6","1") = "9"
    & skf18("10","9","5","4","6","7","1") = "9"
    & skf18("10","9","5","4","6","8","1") = "9"
    & skf18("10","9","5","4","6","9","1") = "9"
    & skf18("10","9","5","4","6","10","1") = "9"
    & skf18("10","9","5","4","7","1","1") = "9"
    & skf18("10","9","5","4","7","2","1") = "9"
    & skf18("10","9","5","4","7","3","1") = "9"
    & skf18("10","9","5","4","7","4","1") = "9"
    & skf18("10","9","5","4","7","5","1") = "9"
    & skf18("10","9","5","4","7","6","1") = "9"
    & skf18("10","9","5","4","7","7","1") = "9"
    & skf18("10","9","5","4","7","8","1") = "9"
    & skf18("10","9","5","4","7","9","1") = "9"
    & skf18("10","9","5","4","7","10","1") = "9"
    & skf18("10","9","5","4","8","1","1") = "9"
    & skf18("10","9","5","4","8","2","1") = "9"
    & skf18("10","9","5","4","8","3","1") = "9"
    & skf18("10","9","5","4","8","4","1") = "9"
    & skf18("10","9","5","4","8","5","1") = "9"
    & skf18("10","9","5","4","8","6","1") = "9"
    & skf18("10","9","5","4","8","7","1") = "9"
    & skf18("10","9","5","4","8","8","1") = "9"
    & skf18("10","9","5","4","8","9","1") = "9"
    & skf18("10","9","5","4","8","10","1") = "9"
    & skf18("10","9","5","4","9","1","1") = "9"
    & skf18("10","9","5","4","9","2","1") = "9"
    & skf18("10","9","5","4","9","3","1") = "9"
    & skf18("10","9","5","4","9","4","1") = "9"
    & skf18("10","9","5","4","9","5","1") = "9"
    & skf18("10","9","5","4","9","6","1") = "9"
    & skf18("10","9","5","4","9","7","1") = "9"
    & skf18("10","9","5","4","9","8","1") = "9"
    & skf18("10","9","5","4","9","9","1") = "9"
    & skf18("10","9","5","4","9","10","1") = "9"
    & skf18("10","9","5","4","10","1","1") = "9"
    & skf18("10","9","5","4","10","2","1") = "9"
    & skf18("10","9","5","4","10","3","1") = "9"
    & skf18("10","9","5","4","10","4","1") = "9"
    & skf18("10","9","5","4","10","5","1") = "9"
    & skf18("10","9","5","4","10","6","1") = "9"
    & skf18("10","9","5","4","10","7","1") = "9"
    & skf18("10","9","5","4","10","8","1") = "9"
    & skf18("10","9","5","4","10","9","1") = "9"
    & skf18("10","9","5","4","10","10","1") = "9"
    & skf18("10","9","5","5","1","1","1") = "9"
    & skf18("10","9","5","5","1","2","1") = "9"
    & skf18("10","9","5","5","1","3","1") = "9"
    & skf18("10","9","5","5","1","4","1") = "9"
    & skf18("10","9","5","5","1","5","1") = "9"
    & skf18("10","9","5","5","1","6","1") = "9"
    & skf18("10","9","5","5","1","7","1") = "9"
    & skf18("10","9","5","5","1","8","1") = "9"
    & skf18("10","9","5","5","1","9","1") = "9"
    & skf18("10","9","5","5","1","10","1") = "9"
    & skf18("10","9","5","5","2","1","1") = "9"
    & skf18("10","9","5","5","2","2","1") = "9"
    & skf18("10","9","5","5","2","3","1") = "9"
    & skf18("10","9","5","5","2","4","1") = "9"
    & skf18("10","9","5","5","2","5","1") = "9"
    & skf18("10","9","5","5","2","6","1") = "9"
    & skf18("10","9","5","5","2","7","1") = "9"
    & skf18("10","9","5","5","2","8","1") = "9"
    & skf18("10","9","5","5","2","9","1") = "9"
    & skf18("10","9","5","5","2","10","1") = "9"
    & skf18("10","9","5","5","3","1","1") = "9"
    & skf18("10","9","5","5","3","2","1") = "9"
    & skf18("10","9","5","5","3","3","1") = "9"
    & skf18("10","9","5","5","3","4","1") = "9"
    & skf18("10","9","5","5","3","5","1") = "9"
    & skf18("10","9","5","5","3","6","1") = "9"
    & skf18("10","9","5","5","3","7","1") = "9"
    & skf18("10","9","5","5","3","8","1") = "9"
    & skf18("10","9","5","5","3","9","1") = "9"
    & skf18("10","9","5","5","3","10","1") = "9"
    & skf18("10","9","5","5","4","1","1") = "9"
    & skf18("10","9","5","5","4","2","1") = "9"
    & skf18("10","9","5","5","4","3","1") = "9"
    & skf18("10","9","5","5","4","4","1") = "9"
    & skf18("10","9","5","5","4","5","1") = "9"
    & skf18("10","9","5","5","4","6","1") = "9"
    & skf18("10","9","5","5","4","7","1") = "9"
    & skf18("10","9","5","5","4","8","1") = "9"
    & skf18("10","9","5","5","4","9","1") = "9"
    & skf18("10","9","5","5","4","10","1") = "9"
    & skf18("10","9","5","5","5","1","1") = "9"
    & skf18("10","9","5","5","5","2","1") = "9"
    & skf18("10","9","5","5","5","3","1") = "9"
    & skf18("10","9","5","5","5","4","1") = "9"
    & skf18("10","9","5","5","5","5","1") = "9"
    & skf18("10","9","5","5","5","6","1") = "9"
    & skf18("10","9","5","5","5","7","1") = "9"
    & skf18("10","9","5","5","5","8","1") = "9"
    & skf18("10","9","5","5","5","9","1") = "9"
    & skf18("10","9","5","5","5","10","1") = "9"
    & skf18("10","9","5","5","6","1","1") = "9"
    & skf18("10","9","5","5","6","2","1") = "9"
    & skf18("10","9","5","5","6","3","1") = "9"
    & skf18("10","9","5","5","6","4","1") = "9"
    & skf18("10","9","5","5","6","5","1") = "9"
    & skf18("10","9","5","5","6","6","1") = "9"
    & skf18("10","9","5","5","6","7","1") = "9"
    & skf18("10","9","5","5","6","8","1") = "9"
    & skf18("10","9","5","5","6","9","1") = "9"
    & skf18("10","9","5","5","6","10","1") = "9"
    & skf18("10","9","5","5","7","1","1") = "9"
    & skf18("10","9","5","5","7","2","1") = "9"
    & skf18("10","9","5","5","7","3","1") = "9"
    & skf18("10","9","5","5","7","4","1") = "9"
    & skf18("10","9","5","5","7","5","1") = "9"
    & skf18("10","9","5","5","7","6","1") = "9"
    & skf18("10","9","5","5","7","7","1") = "9"
    & skf18("10","9","5","5","7","8","1") = "9"
    & skf18("10","9","5","5","7","9","1") = "9"
    & skf18("10","9","5","5","7","10","1") = "9"
    & skf18("10","9","5","5","8","1","1") = "9"
    & skf18("10","9","5","5","8","2","1") = "9"
    & skf18("10","9","5","5","8","3","1") = "9"
    & skf18("10","9","5","5","8","4","1") = "9"
    & skf18("10","9","5","5","8","5","1") = "9"
    & skf18("10","9","5","5","8","6","1") = "9"
    & skf18("10","9","5","5","8","7","1") = "9"
    & skf18("10","9","5","5","8","8","1") = "9"
    & skf18("10","9","5","5","8","9","1") = "9"
    & skf18("10","9","5","5","8","10","1") = "9"
    & skf18("10","9","5","5","9","1","1") = "9"
    & skf18("10","9","5","5","9","2","1") = "9"
    & skf18("10","9","5","5","9","3","1") = "9"
    & skf18("10","9","5","5","9","4","1") = "9"
    & skf18("10","9","5","5","9","5","1") = "9"
    & skf18("10","9","5","5","9","6","1") = "9"
    & skf18("10","9","5","5","9","7","1") = "9"
    & skf18("10","9","5","5","9","8","1") = "9"
    & skf18("10","9","5","5","9","9","1") = "9"
    & skf18("10","9","5","5","9","10","1") = "9"
    & skf18("10","9","5","5","10","1","1") = "9"
    & skf18("10","9","5","5","10","2","1") = "9"
    & skf18("10","9","5","5","10","3","1") = "9"
    & skf18("10","9","5","5","10","4","1") = "9"
    & skf18("10","9","5","5","10","5","1") = "9"
    & skf18("10","9","5","5","10","6","1") = "9"
    & skf18("10","9","5","5","10","7","1") = "9"
    & skf18("10","9","5","5","10","8","1") = "9"
    & skf18("10","9","5","5","10","9","1") = "9"
    & skf18("10","9","5","5","10","10","1") = "9"
    & skf18("10","9","5","6","1","1","1") = "9"
    & skf18("10","9","5","6","1","2","1") = "9"
    & skf18("10","9","5","6","1","3","1") = "9"
    & skf18("10","9","5","6","1","4","1") = "9"
    & skf18("10","9","5","6","1","5","1") = "9"
    & skf18("10","9","5","6","1","6","1") = "9"
    & skf18("10","9","5","6","1","7","1") = "9"
    & skf18("10","9","5","6","1","8","1") = "9"
    & skf18("10","9","5","6","1","9","1") = "9"
    & skf18("10","9","5","6","1","10","1") = "9"
    & skf18("10","9","5","6","2","1","1") = "9"
    & skf18("10","9","5","6","2","2","1") = "9"
    & skf18("10","9","5","6","2","3","1") = "9"
    & skf18("10","9","5","6","2","4","1") = "9"
    & skf18("10","9","5","6","2","5","1") = "9"
    & skf18("10","9","5","6","2","6","1") = "9"
    & skf18("10","9","5","6","2","7","1") = "9"
    & skf18("10","9","5","6","2","8","1") = "9"
    & skf18("10","9","5","6","2","9","1") = "9"
    & skf18("10","9","5","6","2","10","1") = "9"
    & skf18("10","9","5","6","3","1","1") = "9"
    & skf18("10","9","5","6","3","2","1") = "9"
    & skf18("10","9","5","6","3","3","1") = "9"
    & skf18("10","9","5","6","3","4","1") = "9"
    & skf18("10","9","5","6","3","5","1") = "9"
    & skf18("10","9","5","6","3","6","1") = "9"
    & skf18("10","9","5","6","3","7","1") = "9"
    & skf18("10","9","5","6","3","8","1") = "9"
    & skf18("10","9","5","6","3","9","1") = "9"
    & skf18("10","9","5","6","3","10","1") = "9"
    & skf18("10","9","5","6","4","1","1") = "9"
    & skf18("10","9","5","6","4","2","1") = "9"
    & skf18("10","9","5","6","4","3","1") = "9"
    & skf18("10","9","5","6","4","4","1") = "9"
    & skf18("10","9","5","6","4","5","1") = "9"
    & skf18("10","9","5","6","4","6","1") = "9"
    & skf18("10","9","5","6","4","7","1") = "9"
    & skf18("10","9","5","6","4","8","1") = "9"
    & skf18("10","9","5","6","4","9","1") = "9"
    & skf18("10","9","5","6","4","10","1") = "9"
    & skf18("10","9","5","6","5","1","1") = "9"
    & skf18("10","9","5","6","5","2","1") = "9"
    & skf18("10","9","5","6","5","3","1") = "9"
    & skf18("10","9","5","6","5","4","1") = "9"
    & skf18("10","9","5","6","5","5","1") = "9"
    & skf18("10","9","5","6","5","6","1") = "9"
    & skf18("10","9","5","6","5","7","1") = "9"
    & skf18("10","9","5","6","5","8","1") = "9"
    & skf18("10","9","5","6","5","9","1") = "9"
    & skf18("10","9","5","6","5","10","1") = "9"
    & skf18("10","9","5","6","6","1","1") = "9"
    & skf18("10","9","5","6","6","2","1") = "9"
    & skf18("10","9","5","6","6","3","1") = "9"
    & skf18("10","9","5","6","6","4","1") = "9"
    & skf18("10","9","5","6","6","5","1") = "9"
    & skf18("10","9","5","6","6","6","1") = "9"
    & skf18("10","9","5","6","6","7","1") = "9"
    & skf18("10","9","5","6","6","8","1") = "9"
    & skf18("10","9","5","6","6","9","1") = "9"
    & skf18("10","9","5","6","6","10","1") = "9"
    & skf18("10","9","5","6","7","1","1") = "9"
    & skf18("10","9","5","6","7","2","1") = "9"
    & skf18("10","9","5","6","7","3","1") = "9"
    & skf18("10","9","5","6","7","4","1") = "9"
    & skf18("10","9","5","6","7","5","1") = "9"
    & skf18("10","9","5","6","7","6","1") = "9"
    & skf18("10","9","5","6","7","7","1") = "9"
    & skf18("10","9","5","6","7","8","1") = "9"
    & skf18("10","9","5","6","7","9","1") = "9"
    & skf18("10","9","5","6","7","10","1") = "9"
    & skf18("10","9","5","6","8","1","1") = "9"
    & skf18("10","9","5","6","8","2","1") = "9"
    & skf18("10","9","5","6","8","3","1") = "9"
    & skf18("10","9","5","6","8","4","1") = "9"
    & skf18("10","9","5","6","8","5","1") = "9"
    & skf18("10","9","5","6","8","6","1") = "9"
    & skf18("10","9","5","6","8","7","1") = "9"
    & skf18("10","9","5","6","8","8","1") = "9"
    & skf18("10","9","5","6","8","9","1") = "9"
    & skf18("10","9","5","6","8","10","1") = "9"
    & skf18("10","9","5","6","9","1","1") = "9"
    & skf18("10","9","5","6","9","2","1") = "9"
    & skf18("10","9","5","6","9","3","1") = "9"
    & skf18("10","9","5","6","9","4","1") = "9"
    & skf18("10","9","5","6","9","5","1") = "9"
    & skf18("10","9","5","6","9","6","1") = "9"
    & skf18("10","9","5","6","9","7","1") = "9"
    & skf18("10","9","5","6","9","8","1") = "9"
    & skf18("10","9","5","6","9","9","1") = "9"
    & skf18("10","9","5","6","9","10","1") = "9"
    & skf18("10","9","5","6","10","1","1") = "9"
    & skf18("10","9","5","6","10","2","1") = "9"
    & skf18("10","9","5","6","10","3","1") = "9"
    & skf18("10","9","5","6","10","4","1") = "9"
    & skf18("10","9","5","6","10","5","1") = "9"
    & skf18("10","9","5","6","10","6","1") = "9"
    & skf18("10","9","5","6","10","7","1") = "9"
    & skf18("10","9","5","6","10","8","1") = "9"
    & skf18("10","9","5","6","10","9","1") = "9"
    & skf18("10","9","5","6","10","10","1") = "9"
    & skf18("10","9","5","7","1","1","1") = "9"
    & skf18("10","9","5","7","1","2","1") = "9"
    & skf18("10","9","5","7","1","3","1") = "9"
    & skf18("10","9","5","7","1","4","1") = "9"
    & skf18("10","9","5","7","1","5","1") = "9"
    & skf18("10","9","5","7","1","6","1") = "9"
    & skf18("10","9","5","7","1","7","1") = "9"
    & skf18("10","9","5","7","1","8","1") = "9"
    & skf18("10","9","5","7","1","9","1") = "9"
    & skf18("10","9","5","7","1","10","1") = "9"
    & skf18("10","9","5","7","2","1","1") = "9"
    & skf18("10","9","5","7","2","2","1") = "9"
    & skf18("10","9","5","7","2","3","1") = "9"
    & skf18("10","9","5","7","2","4","1") = "9"
    & skf18("10","9","5","7","2","5","1") = "9"
    & skf18("10","9","5","7","2","6","1") = "9"
    & skf18("10","9","5","7","2","7","1") = "9"
    & skf18("10","9","5","7","2","8","1") = "9"
    & skf18("10","9","5","7","2","9","1") = "9"
    & skf18("10","9","5","7","2","10","1") = "9"
    & skf18("10","9","5","7","3","1","1") = "9"
    & skf18("10","9","5","7","3","2","1") = "9"
    & skf18("10","9","5","7","3","3","1") = "9"
    & skf18("10","9","5","7","3","4","1") = "9"
    & skf18("10","9","5","7","3","5","1") = "9"
    & skf18("10","9","5","7","3","6","1") = "9"
    & skf18("10","9","5","7","3","7","1") = "9"
    & skf18("10","9","5","7","3","8","1") = "9"
    & skf18("10","9","5","7","3","9","1") = "9"
    & skf18("10","9","5","7","3","10","1") = "9"
    & skf18("10","9","5","7","4","1","1") = "9"
    & skf18("10","9","5","7","4","2","1") = "9"
    & skf18("10","9","5","7","4","3","1") = "9"
    & skf18("10","9","5","7","4","4","1") = "9"
    & skf18("10","9","5","7","4","5","1") = "9"
    & skf18("10","9","5","7","4","6","1") = "9"
    & skf18("10","9","5","7","4","7","1") = "9"
    & skf18("10","9","5","7","4","8","1") = "9"
    & skf18("10","9","5","7","4","9","1") = "9"
    & skf18("10","9","5","7","4","10","1") = "9"
    & skf18("10","9","5","7","5","1","1") = "9"
    & skf18("10","9","5","7","5","2","1") = "9"
    & skf18("10","9","5","7","5","3","1") = "9"
    & skf18("10","9","5","7","5","4","1") = "9"
    & skf18("10","9","5","7","5","5","1") = "9"
    & skf18("10","9","5","7","5","6","1") = "9"
    & skf18("10","9","5","7","5","7","1") = "9"
    & skf18("10","9","5","7","5","8","1") = "9"
    & skf18("10","9","5","7","5","9","1") = "9"
    & skf18("10","9","5","7","5","10","1") = "9"
    & skf18("10","9","5","7","6","1","1") = "9"
    & skf18("10","9","5","7","6","2","1") = "9"
    & skf18("10","9","5","7","6","3","1") = "9"
    & skf18("10","9","5","7","6","4","1") = "9"
    & skf18("10","9","5","7","6","5","1") = "9"
    & skf18("10","9","5","7","6","6","1") = "9"
    & skf18("10","9","5","7","6","7","1") = "9"
    & skf18("10","9","5","7","6","8","1") = "9"
    & skf18("10","9","5","7","6","9","1") = "9"
    & skf18("10","9","5","7","6","10","1") = "9"
    & skf18("10","9","5","7","7","1","1") = "9"
    & skf18("10","9","5","7","7","2","1") = "9"
    & skf18("10","9","5","7","7","3","1") = "9"
    & skf18("10","9","5","7","7","4","1") = "9"
    & skf18("10","9","5","7","7","5","1") = "9"
    & skf18("10","9","5","7","7","6","1") = "9"
    & skf18("10","9","5","7","7","7","1") = "9"
    & skf18("10","9","5","7","7","8","1") = "9"
    & skf18("10","9","5","7","7","9","1") = "9"
    & skf18("10","9","5","7","7","10","1") = "9"
    & skf18("10","9","5","7","8","1","1") = "9"
    & skf18("10","9","5","7","8","2","1") = "9"
    & skf18("10","9","5","7","8","3","1") = "9"
    & skf18("10","9","5","7","8","4","1") = "9"
    & skf18("10","9","5","7","8","5","1") = "9"
    & skf18("10","9","5","7","8","6","1") = "9"
    & skf18("10","9","5","7","8","7","1") = "9"
    & skf18("10","9","5","7","8","8","1") = "9"
    & skf18("10","9","5","7","8","9","1") = "9"
    & skf18("10","9","5","7","8","10","1") = "9"
    & skf18("10","9","5","7","9","1","1") = "9"
    & skf18("10","9","5","7","9","2","1") = "9"
    & skf18("10","9","5","7","9","3","1") = "9"
    & skf18("10","9","5","7","9","4","1") = "9"
    & skf18("10","9","5","7","9","5","1") = "9"
    & skf18("10","9","5","7","9","6","1") = "9"
    & skf18("10","9","5","7","9","7","1") = "9"
    & skf18("10","9","5","7","9","8","1") = "9"
    & skf18("10","9","5","7","9","9","1") = "9"
    & skf18("10","9","5","7","9","10","1") = "9"
    & skf18("10","9","5","7","10","1","1") = "9"
    & skf18("10","9","5","7","10","2","1") = "9"
    & skf18("10","9","5","7","10","3","1") = "9"
    & skf18("10","9","5","7","10","4","1") = "9"
    & skf18("10","9","5","7","10","5","1") = "9"
    & skf18("10","9","5","7","10","6","1") = "9"
    & skf18("10","9","5","7","10","7","1") = "9"
    & skf18("10","9","5","7","10","8","1") = "9"
    & skf18("10","9","5","7","10","9","1") = "9"
    & skf18("10","9","5","7","10","10","1") = "9"
    & skf18("10","9","5","8","1","1","1") = "9"
    & skf18("10","9","5","8","1","2","1") = "9"
    & skf18("10","9","5","8","1","3","1") = "9"
    & skf18("10","9","5","8","1","4","1") = "9"
    & skf18("10","9","5","8","1","5","1") = "9"
    & skf18("10","9","5","8","1","6","1") = "9"
    & skf18("10","9","5","8","1","7","1") = "9"
    & skf18("10","9","5","8","1","8","1") = "9"
    & skf18("10","9","5","8","1","9","1") = "9"
    & skf18("10","9","5","8","1","10","1") = "9"
    & skf18("10","9","5","8","2","1","1") = "9"
    & skf18("10","9","5","8","2","2","1") = "9"
    & skf18("10","9","5","8","2","3","1") = "9"
    & skf18("10","9","5","8","2","4","1") = "9"
    & skf18("10","9","5","8","2","5","1") = "9"
    & skf18("10","9","5","8","2","6","1") = "9"
    & skf18("10","9","5","8","2","7","1") = "9"
    & skf18("10","9","5","8","2","8","1") = "9"
    & skf18("10","9","5","8","2","9","1") = "9"
    & skf18("10","9","5","8","2","10","1") = "9"
    & skf18("10","9","5","8","3","1","1") = "9"
    & skf18("10","9","5","8","3","2","1") = "9"
    & skf18("10","9","5","8","3","3","1") = "9"
    & skf18("10","9","5","8","3","4","1") = "9"
    & skf18("10","9","5","8","3","5","1") = "9"
    & skf18("10","9","5","8","3","6","1") = "9"
    & skf18("10","9","5","8","3","7","1") = "9"
    & skf18("10","9","5","8","3","8","1") = "9"
    & skf18("10","9","5","8","3","9","1") = "9"
    & skf18("10","9","5","8","3","10","1") = "9"
    & skf18("10","9","5","8","4","1","1") = "9"
    & skf18("10","9","5","8","4","2","1") = "9"
    & skf18("10","9","5","8","4","3","1") = "9"
    & skf18("10","9","5","8","4","4","1") = "9"
    & skf18("10","9","5","8","4","5","1") = "9"
    & skf18("10","9","5","8","4","6","1") = "9"
    & skf18("10","9","5","8","4","7","1") = "9"
    & skf18("10","9","5","8","4","8","1") = "9"
    & skf18("10","9","5","8","4","9","1") = "9"
    & skf18("10","9","5","8","4","10","1") = "9"
    & skf18("10","9","5","8","5","1","1") = "9"
    & skf18("10","9","5","8","5","2","1") = "9"
    & skf18("10","9","5","8","5","3","1") = "9"
    & skf18("10","9","5","8","5","4","1") = "9"
    & skf18("10","9","5","8","5","5","1") = "9"
    & skf18("10","9","5","8","5","6","1") = "9"
    & skf18("10","9","5","8","5","7","1") = "9"
    & skf18("10","9","5","8","5","8","1") = "9"
    & skf18("10","9","5","8","5","9","1") = "9"
    & skf18("10","9","5","8","5","10","1") = "9"
    & skf18("10","9","5","8","6","1","1") = "9"
    & skf18("10","9","5","8","6","2","1") = "9"
    & skf18("10","9","5","8","6","3","1") = "9"
    & skf18("10","9","5","8","6","4","1") = "9"
    & skf18("10","9","5","8","6","5","1") = "9"
    & skf18("10","9","5","8","6","6","1") = "9"
    & skf18("10","9","5","8","6","7","1") = "9"
    & skf18("10","9","5","8","6","8","1") = "9"
    & skf18("10","9","5","8","6","9","1") = "9"
    & skf18("10","9","5","8","6","10","1") = "9"
    & skf18("10","9","5","8","7","1","1") = "9"
    & skf18("10","9","5","8","7","2","1") = "9"
    & skf18("10","9","5","8","7","3","1") = "9"
    & skf18("10","9","5","8","7","4","1") = "9"
    & skf18("10","9","5","8","7","5","1") = "9"
    & skf18("10","9","5","8","7","6","1") = "9"
    & skf18("10","9","5","8","7","7","1") = "9"
    & skf18("10","9","5","8","7","8","1") = "9"
    & skf18("10","9","5","8","7","9","1") = "9"
    & skf18("10","9","5","8","7","10","1") = "9"
    & skf18("10","9","5","8","8","1","1") = "9"
    & skf18("10","9","5","8","8","2","1") = "9"
    & skf18("10","9","5","8","8","3","1") = "9"
    & skf18("10","9","5","8","8","4","1") = "9"
    & skf18("10","9","5","8","8","5","1") = "9"
    & skf18("10","9","5","8","8","6","1") = "9"
    & skf18("10","9","5","8","8","7","1") = "9"
    & skf18("10","9","5","8","8","8","1") = "9"
    & skf18("10","9","5","8","8","9","1") = "9"
    & skf18("10","9","5","8","8","10","1") = "9"
    & skf18("10","9","5","8","9","1","1") = "9"
    & skf18("10","9","5","8","9","2","1") = "9"
    & skf18("10","9","5","8","9","3","1") = "9"
    & skf18("10","9","5","8","9","4","1") = "9"
    & skf18("10","9","5","8","9","5","1") = "9"
    & skf18("10","9","5","8","9","6","1") = "9"
    & skf18("10","9","5","8","9","7","1") = "9"
    & skf18("10","9","5","8","9","8","1") = "9"
    & skf18("10","9","5","8","9","9","1") = "9"
    & skf18("10","9","5","8","9","10","1") = "9"
    & skf18("10","9","5","8","10","1","1") = "9"
    & skf18("10","9","5","8","10","2","1") = "9"
    & skf18("10","9","5","8","10","3","1") = "9"
    & skf18("10","9","5","8","10","4","1") = "9"
    & skf18("10","9","5","8","10","5","1") = "9"
    & skf18("10","9","5","8","10","6","1") = "9"
    & skf18("10","9","5","8","10","7","1") = "9"
    & skf18("10","9","5","8","10","8","1") = "9"
    & skf18("10","9","5","8","10","9","1") = "9"
    & skf18("10","9","5","8","10","10","1") = "9"
    & skf18("10","9","5","9","1","1","1") = "9"
    & skf18("10","9","5","9","1","2","1") = "9"
    & skf18("10","9","5","9","1","3","1") = "9"
    & skf18("10","9","5","9","1","4","1") = "9"
    & skf18("10","9","5","9","1","5","1") = "9"
    & skf18("10","9","5","9","1","6","1") = "9"
    & skf18("10","9","5","9","1","7","1") = "9"
    & skf18("10","9","5","9","1","8","1") = "9"
    & skf18("10","9","5","9","1","9","1") = "9"
    & skf18("10","9","5","9","1","10","1") = "9"
    & skf18("10","9","5","9","2","1","1") = "9"
    & skf18("10","9","5","9","2","2","1") = "9"
    & skf18("10","9","5","9","2","3","1") = "9"
    & skf18("10","9","5","9","2","4","1") = "9"
    & skf18("10","9","5","9","2","5","1") = "9"
    & skf18("10","9","5","9","2","6","1") = "9"
    & skf18("10","9","5","9","2","7","1") = "9"
    & skf18("10","9","5","9","2","8","1") = "9"
    & skf18("10","9","5","9","2","9","1") = "9"
    & skf18("10","9","5","9","2","10","1") = "9"
    & skf18("10","9","5","9","3","1","1") = "9"
    & skf18("10","9","5","9","3","2","1") = "9"
    & skf18("10","9","5","9","3","3","1") = "9"
    & skf18("10","9","5","9","3","4","1") = "9"
    & skf18("10","9","5","9","3","5","1") = "9"
    & skf18("10","9","5","9","3","6","1") = "9"
    & skf18("10","9","5","9","3","7","1") = "9"
    & skf18("10","9","5","9","3","8","1") = "9"
    & skf18("10","9","5","9","3","9","1") = "9"
    & skf18("10","9","5","9","3","10","1") = "9"
    & skf18("10","9","5","9","4","1","1") = "9"
    & skf18("10","9","5","9","4","2","1") = "9"
    & skf18("10","9","5","9","4","3","1") = "9"
    & skf18("10","9","5","9","4","4","1") = "9"
    & skf18("10","9","5","9","4","5","1") = "9"
    & skf18("10","9","5","9","4","6","1") = "9"
    & skf18("10","9","5","9","4","7","1") = "9"
    & skf18("10","9","5","9","4","8","1") = "9"
    & skf18("10","9","5","9","4","9","1") = "9"
    & skf18("10","9","5","9","4","10","1") = "9"
    & skf18("10","9","5","9","5","1","1") = "9"
    & skf18("10","9","5","9","5","2","1") = "9"
    & skf18("10","9","5","9","5","3","1") = "9"
    & skf18("10","9","5","9","5","4","1") = "9"
    & skf18("10","9","5","9","5","5","1") = "9"
    & skf18("10","9","5","9","5","6","1") = "9"
    & skf18("10","9","5","9","5","7","1") = "9"
    & skf18("10","9","5","9","5","8","1") = "9"
    & skf18("10","9","5","9","5","9","1") = "9"
    & skf18("10","9","5","9","5","10","1") = "9"
    & skf18("10","9","5","9","6","1","1") = "9"
    & skf18("10","9","5","9","6","2","1") = "9"
    & skf18("10","9","5","9","6","3","1") = "9"
    & skf18("10","9","5","9","6","4","1") = "9"
    & skf18("10","9","5","9","6","5","1") = "9"
    & skf18("10","9","5","9","6","6","1") = "9"
    & skf18("10","9","5","9","6","7","1") = "9"
    & skf18("10","9","5","9","6","8","1") = "9"
    & skf18("10","9","5","9","6","9","1") = "9"
    & skf18("10","9","5","9","6","10","1") = "9"
    & skf18("10","9","5","9","7","1","1") = "9"
    & skf18("10","9","5","9","7","2","1") = "9"
    & skf18("10","9","5","9","7","3","1") = "9"
    & skf18("10","9","5","9","7","4","1") = "9"
    & skf18("10","9","5","9","7","5","1") = "9"
    & skf18("10","9","5","9","7","6","1") = "9"
    & skf18("10","9","5","9","7","7","1") = "9"
    & skf18("10","9","5","9","7","8","1") = "9"
    & skf18("10","9","5","9","7","9","1") = "9"
    & skf18("10","9","5","9","7","10","1") = "9"
    & skf18("10","9","5","9","8","1","1") = "9"
    & skf18("10","9","5","9","8","2","1") = "9"
    & skf18("10","9","5","9","8","3","1") = "9"
    & skf18("10","9","5","9","8","4","1") = "9"
    & skf18("10","9","5","9","8","5","1") = "9"
    & skf18("10","9","5","9","8","6","1") = "9"
    & skf18("10","9","5","9","8","7","1") = "9"
    & skf18("10","9","5","9","8","8","1") = "9"
    & skf18("10","9","5","9","8","9","1") = "9"
    & skf18("10","9","5","9","8","10","1") = "9"
    & skf18("10","9","5","9","9","1","1") = "9"
    & skf18("10","9","5","9","9","2","1") = "9"
    & skf18("10","9","5","9","9","3","1") = "9"
    & skf18("10","9","5","9","9","4","1") = "9"
    & skf18("10","9","5","9","9","5","1") = "9"
    & skf18("10","9","5","9","9","6","1") = "9"
    & skf18("10","9","5","9","9","7","1") = "9"
    & skf18("10","9","5","9","9","8","1") = "9"
    & skf18("10","9","5","9","9","9","1") = "9"
    & skf18("10","9","5","9","9","10","1") = "9"
    & skf18("10","9","5","9","10","1","1") = "9"
    & skf18("10","9","5","9","10","2","1") = "9"
    & skf18("10","9","5","9","10","3","1") = "9"
    & skf18("10","9","5","9","10","4","1") = "9"
    & skf18("10","9","5","9","10","5","1") = "9"
    & skf18("10","9","5","9","10","6","1") = "9"
    & skf18("10","9","5","9","10","7","1") = "9"
    & skf18("10","9","5","9","10","8","1") = "9"
    & skf18("10","9","5","9","10","9","1") = "9"
    & skf18("10","9","5","9","10","10","1") = "9"
    & skf18("10","9","5","10","1","1","1") = "9"
    & skf18("10","9","5","10","1","2","1") = "9"
    & skf18("10","9","5","10","1","3","1") = "9"
    & skf18("10","9","5","10","1","4","1") = "9"
    & skf18("10","9","5","10","1","5","1") = "9"
    & skf18("10","9","5","10","1","6","1") = "9"
    & skf18("10","9","5","10","1","7","1") = "9"
    & skf18("10","9","5","10","1","8","1") = "9"
    & skf18("10","9","5","10","1","9","1") = "9"
    & skf18("10","9","5","10","1","10","1") = "9"
    & skf18("10","9","5","10","2","1","1") = "9"
    & skf18("10","9","5","10","2","2","1") = "9"
    & skf18("10","9","5","10","2","3","1") = "9"
    & skf18("10","9","5","10","2","4","1") = "9"
    & skf18("10","9","5","10","2","5","1") = "9"
    & skf18("10","9","5","10","2","6","1") = "9"
    & skf18("10","9","5","10","2","7","1") = "9"
    & skf18("10","9","5","10","2","8","1") = "9"
    & skf18("10","9","5","10","2","9","1") = "9"
    & skf18("10","9","5","10","2","10","1") = "9"
    & skf18("10","9","5","10","3","1","1") = "9"
    & skf18("10","9","5","10","3","2","1") = "9"
    & skf18("10","9","5","10","3","3","1") = "9"
    & skf18("10","9","5","10","3","4","1") = "9"
    & skf18("10","9","5","10","3","5","1") = "9"
    & skf18("10","9","5","10","3","6","1") = "9"
    & skf18("10","9","5","10","3","7","1") = "9"
    & skf18("10","9","5","10","3","8","1") = "9"
    & skf18("10","9","5","10","3","9","1") = "9"
    & skf18("10","9","5","10","3","10","1") = "9"
    & skf18("10","9","5","10","4","1","1") = "9"
    & skf18("10","9","5","10","4","2","1") = "9"
    & skf18("10","9","5","10","4","3","1") = "9"
    & skf18("10","9","5","10","4","4","1") = "9"
    & skf18("10","9","5","10","4","5","1") = "9"
    & skf18("10","9","5","10","4","6","1") = "9"
    & skf18("10","9","5","10","4","7","1") = "9"
    & skf18("10","9","5","10","4","8","1") = "9"
    & skf18("10","9","5","10","4","9","1") = "9"
    & skf18("10","9","5","10","4","10","1") = "9"
    & skf18("10","9","5","10","5","1","1") = "9"
    & skf18("10","9","5","10","5","2","1") = "9"
    & skf18("10","9","5","10","5","3","1") = "9"
    & skf18("10","9","5","10","5","4","1") = "9"
    & skf18("10","9","5","10","5","5","1") = "9"
    & skf18("10","9","5","10","5","6","1") = "9"
    & skf18("10","9","5","10","5","7","1") = "9"
    & skf18("10","9","5","10","5","8","1") = "9"
    & skf18("10","9","5","10","5","9","1") = "9"
    & skf18("10","9","5","10","5","10","1") = "9"
    & skf18("10","9","5","10","6","1","1") = "9"
    & skf18("10","9","5","10","6","2","1") = "9"
    & skf18("10","9","5","10","6","3","1") = "9"
    & skf18("10","9","5","10","6","4","1") = "9"
    & skf18("10","9","5","10","6","5","1") = "9"
    & skf18("10","9","5","10","6","6","1") = "9"
    & skf18("10","9","5","10","6","7","1") = "9"
    & skf18("10","9","5","10","6","8","1") = "9"
    & skf18("10","9","5","10","6","9","1") = "9"
    & skf18("10","9","5","10","6","10","1") = "9"
    & skf18("10","9","5","10","7","1","1") = "9"
    & skf18("10","9","5","10","7","2","1") = "9"
    & skf18("10","9","5","10","7","3","1") = "9"
    & skf18("10","9","5","10","7","4","1") = "9"
    & skf18("10","9","5","10","7","5","1") = "9"
    & skf18("10","9","5","10","7","6","1") = "9"
    & skf18("10","9","5","10","7","7","1") = "9"
    & skf18("10","9","5","10","7","8","1") = "9"
    & skf18("10","9","5","10","7","9","1") = "9"
    & skf18("10","9","5","10","7","10","1") = "9"
    & skf18("10","9","5","10","8","1","1") = "9"
    & skf18("10","9","5","10","8","2","1") = "9"
    & skf18("10","9","5","10","8","3","1") = "9"
    & skf18("10","9","5","10","8","4","1") = "9"
    & skf18("10","9","5","10","8","5","1") = "9"
    & skf18("10","9","5","10","8","6","1") = "9"
    & skf18("10","9","5","10","8","7","1") = "9"
    & skf18("10","9","5","10","8","8","1") = "9"
    & skf18("10","9","5","10","8","9","1") = "9"
    & skf18("10","9","5","10","8","10","1") = "9"
    & skf18("10","9","5","10","9","1","1") = "9"
    & skf18("10","9","5","10","9","2","1") = "9"
    & skf18("10","9","5","10","9","3","1") = "9"
    & skf18("10","9","5","10","9","4","1") = "9"
    & skf18("10","9","5","10","9","5","1") = "9"
    & skf18("10","9","5","10","9","6","1") = "9"
    & skf18("10","9","5","10","9","7","1") = "9"
    & skf18("10","9","5","10","9","8","1") = "9"
    & skf18("10","9","5","10","9","9","1") = "9"
    & skf18("10","9","5","10","9","10","1") = "9"
    & skf18("10","9","5","10","10","1","1") = "9"
    & skf18("10","9","5","10","10","2","1") = "9"
    & skf18("10","9","5","10","10","3","1") = "9"
    & skf18("10","9","5","10","10","4","1") = "9"
    & skf18("10","9","5","10","10","5","1") = "9"
    & skf18("10","9","5","10","10","6","1") = "9"
    & skf18("10","9","5","10","10","7","1") = "9"
    & skf18("10","9","5","10","10","8","1") = "9"
    & skf18("10","9","5","10","10","9","1") = "9"
    & skf18("10","9","5","10","10","10","1") = "9"
    & skf18("10","9","6","1","1","1","1") = "9"
    & skf18("10","9","6","1","1","2","1") = "9"
    & skf18("10","9","6","1","1","3","1") = "9"
    & skf18("10","9","6","1","1","4","1") = "9"
    & skf18("10","9","6","1","1","5","1") = "9"
    & skf18("10","9","6","1","1","6","1") = "9"
    & skf18("10","9","6","1","1","7","1") = "9"
    & skf18("10","9","6","1","1","8","1") = "9"
    & skf18("10","9","6","1","1","9","1") = "9"
    & skf18("10","9","6","1","1","10","1") = "9"
    & skf18("10","9","6","1","2","1","1") = "9"
    & skf18("10","9","6","1","2","2","1") = "9"
    & skf18("10","9","6","1","2","3","1") = "9"
    & skf18("10","9","6","1","2","4","1") = "9"
    & skf18("10","9","6","1","2","5","1") = "9"
    & skf18("10","9","6","1","2","6","1") = "9"
    & skf18("10","9","6","1","2","7","1") = "9"
    & skf18("10","9","6","1","2","8","1") = "9"
    & skf18("10","9","6","1","2","9","1") = "9"
    & skf18("10","9","6","1","2","10","1") = "9"
    & skf18("10","9","6","1","3","1","1") = "9"
    & skf18("10","9","6","1","3","2","1") = "9"
    & skf18("10","9","6","1","3","3","1") = "9"
    & skf18("10","9","6","1","3","4","1") = "9"
    & skf18("10","9","6","1","3","5","1") = "9"
    & skf18("10","9","6","1","3","6","1") = "9"
    & skf18("10","9","6","1","3","7","1") = "9"
    & skf18("10","9","6","1","3","8","1") = "9"
    & skf18("10","9","6","1","3","9","1") = "9"
    & skf18("10","9","6","1","3","10","1") = "9"
    & skf18("10","9","6","1","4","1","1") = "9"
    & skf18("10","9","6","1","4","2","1") = "9"
    & skf18("10","9","6","1","4","3","1") = "9"
    & skf18("10","9","6","1","4","4","1") = "9"
    & skf18("10","9","6","1","4","5","1") = "9"
    & skf18("10","9","6","1","4","6","1") = "9"
    & skf18("10","9","6","1","4","7","1") = "9"
    & skf18("10","9","6","1","4","8","1") = "9"
    & skf18("10","9","6","1","4","9","1") = "9"
    & skf18("10","9","6","1","4","10","1") = "9"
    & skf18("10","9","6","1","5","1","1") = "9"
    & skf18("10","9","6","1","5","2","1") = "9"
    & skf18("10","9","6","1","5","3","1") = "9"
    & skf18("10","9","6","1","5","4","1") = "9"
    & skf18("10","9","6","1","5","5","1") = "9"
    & skf18("10","9","6","1","5","6","1") = "9"
    & skf18("10","9","6","1","5","7","1") = "9"
    & skf18("10","9","6","1","5","8","1") = "9"
    & skf18("10","9","6","1","5","9","1") = "9"
    & skf18("10","9","6","1","5","10","1") = "9"
    & skf18("10","9","6","1","6","1","1") = "9"
    & skf18("10","9","6","1","6","2","1") = "9"
    & skf18("10","9","6","1","6","3","1") = "9"
    & skf18("10","9","6","1","6","4","1") = "9"
    & skf18("10","9","6","1","6","5","1") = "9"
    & skf18("10","9","6","1","6","6","1") = "9"
    & skf18("10","9","6","1","6","7","1") = "9"
    & skf18("10","9","6","1","6","8","1") = "9"
    & skf18("10","9","6","1","6","9","1") = "9"
    & skf18("10","9","6","1","6","10","1") = "9"
    & skf18("10","9","6","1","7","1","1") = "9"
    & skf18("10","9","6","1","7","2","1") = "9"
    & skf18("10","9","6","1","7","3","1") = "9"
    & skf18("10","9","6","1","7","4","1") = "9"
    & skf18("10","9","6","1","7","5","1") = "9"
    & skf18("10","9","6","1","7","6","1") = "9"
    & skf18("10","9","6","1","7","7","1") = "9"
    & skf18("10","9","6","1","7","8","1") = "9"
    & skf18("10","9","6","1","7","9","1") = "9"
    & skf18("10","9","6","1","7","10","1") = "9"
    & skf18("10","9","6","1","8","1","1") = "9"
    & skf18("10","9","6","1","8","2","1") = "9"
    & skf18("10","9","6","1","8","3","1") = "9"
    & skf18("10","9","6","1","8","4","1") = "9"
    & skf18("10","9","6","1","8","5","1") = "9"
    & skf18("10","9","6","1","8","6","1") = "9"
    & skf18("10","9","6","1","8","7","1") = "9"
    & skf18("10","9","6","1","8","8","1") = "9"
    & skf18("10","9","6","1","8","9","1") = "9"
    & skf18("10","9","6","1","8","10","1") = "9"
    & skf18("10","9","6","1","9","1","1") = "9"
    & skf18("10","9","6","1","9","2","1") = "9"
    & skf18("10","9","6","1","9","3","1") = "9"
    & skf18("10","9","6","1","9","4","1") = "9"
    & skf18("10","9","6","1","9","5","1") = "9"
    & skf18("10","9","6","1","9","6","1") = "9"
    & skf18("10","9","6","1","9","7","1") = "9"
    & skf18("10","9","6","1","9","8","1") = "9"
    & skf18("10","9","6","1","9","9","1") = "9"
    & skf18("10","9","6","1","9","10","1") = "9"
    & skf18("10","9","6","1","10","1","1") = "9"
    & skf18("10","9","6","1","10","2","1") = "9"
    & skf18("10","9","6","1","10","3","1") = "9"
    & skf18("10","9","6","1","10","4","1") = "9"
    & skf18("10","9","6","1","10","5","1") = "9"
    & skf18("10","9","6","1","10","6","1") = "9"
    & skf18("10","9","6","1","10","7","1") = "9"
    & skf18("10","9","6","1","10","8","1") = "9"
    & skf18("10","9","6","1","10","9","1") = "9"
    & skf18("10","9","6","1","10","10","1") = "9"
    & skf18("10","9","6","2","1","1","1") = "9"
    & skf18("10","9","6","2","1","2","1") = "9"
    & skf18("10","9","6","2","1","3","1") = "9"
    & skf18("10","9","6","2","1","4","1") = "9"
    & skf18("10","9","6","2","1","5","1") = "9"
    & skf18("10","9","6","2","1","6","1") = "9"
    & skf18("10","9","6","2","1","7","1") = "9"
    & skf18("10","9","6","2","1","8","1") = "9"
    & skf18("10","9","6","2","1","9","1") = "9"
    & skf18("10","9","6","2","1","10","1") = "9"
    & skf18("10","9","6","2","2","1","1") = "9"
    & skf18("10","9","6","2","2","2","1") = "9"
    & skf18("10","9","6","2","2","3","1") = "9"
    & skf18("10","9","6","2","2","4","1") = "9"
    & skf18("10","9","6","2","2","5","1") = "9"
    & skf18("10","9","6","2","2","6","1") = "9"
    & skf18("10","9","6","2","2","7","1") = "9"
    & skf18("10","9","6","2","2","8","1") = "9"
    & skf18("10","9","6","2","2","9","1") = "9"
    & skf18("10","9","6","2","2","10","1") = "9"
    & skf18("10","9","6","2","3","1","1") = "9"
    & skf18("10","9","6","2","3","2","1") = "9"
    & skf18("10","9","6","2","3","3","1") = "9"
    & skf18("10","9","6","2","3","4","1") = "9"
    & skf18("10","9","6","2","3","5","1") = "9"
    & skf18("10","9","6","2","3","6","1") = "9"
    & skf18("10","9","6","2","3","7","1") = "9"
    & skf18("10","9","6","2","3","8","1") = "9"
    & skf18("10","9","6","2","3","9","1") = "9"
    & skf18("10","9","6","2","3","10","1") = "9"
    & skf18("10","9","6","2","4","1","1") = "9"
    & skf18("10","9","6","2","4","2","1") = "9"
    & skf18("10","9","6","2","4","3","1") = "9"
    & skf18("10","9","6","2","4","4","1") = "9"
    & skf18("10","9","6","2","4","5","1") = "9"
    & skf18("10","9","6","2","4","6","1") = "9"
    & skf18("10","9","6","2","4","7","1") = "9"
    & skf18("10","9","6","2","4","8","1") = "9"
    & skf18("10","9","6","2","4","9","1") = "9"
    & skf18("10","9","6","2","4","10","1") = "9"
    & skf18("10","9","6","2","5","1","1") = "9"
    & skf18("10","9","6","2","5","2","1") = "9"
    & skf18("10","9","6","2","5","3","1") = "9"
    & skf18("10","9","6","2","5","4","1") = "9"
    & skf18("10","9","6","2","5","5","1") = "9"
    & skf18("10","9","6","2","5","6","1") = "9"
    & skf18("10","9","6","2","5","7","1") = "9"
    & skf18("10","9","6","2","5","8","1") = "9"
    & skf18("10","9","6","2","5","9","1") = "9"
    & skf18("10","9","6","2","5","10","1") = "9"
    & skf18("10","9","6","2","6","1","1") = "9"
    & skf18("10","9","6","2","6","2","1") = "9"
    & skf18("10","9","6","2","6","3","1") = "9"
    & skf18("10","9","6","2","6","4","1") = "9"
    & skf18("10","9","6","2","6","5","1") = "9"
    & skf18("10","9","6","2","6","6","1") = "9"
    & skf18("10","9","6","2","6","7","1") = "9"
    & skf18("10","9","6","2","6","8","1") = "9"
    & skf18("10","9","6","2","6","9","1") = "9"
    & skf18("10","9","6","2","6","10","1") = "9"
    & skf18("10","9","6","2","7","1","1") = "9"
    & skf18("10","9","6","2","7","2","1") = "9"
    & skf18("10","9","6","2","7","3","1") = "9"
    & skf18("10","9","6","2","7","4","1") = "9"
    & skf18("10","9","6","2","7","5","1") = "9"
    & skf18("10","9","6","2","7","6","1") = "9"
    & skf18("10","9","6","2","7","7","1") = "9"
    & skf18("10","9","6","2","7","8","1") = "9"
    & skf18("10","9","6","2","7","9","1") = "9"
    & skf18("10","9","6","2","7","10","1") = "9"
    & skf18("10","9","6","2","8","1","1") = "9"
    & skf18("10","9","6","2","8","2","1") = "9"
    & skf18("10","9","6","2","8","3","1") = "9"
    & skf18("10","9","6","2","8","4","1") = "9"
    & skf18("10","9","6","2","8","5","1") = "9"
    & skf18("10","9","6","2","8","6","1") = "9"
    & skf18("10","9","6","2","8","7","1") = "9"
    & skf18("10","9","6","2","8","8","1") = "9"
    & skf18("10","9","6","2","8","9","1") = "9"
    & skf18("10","9","6","2","8","10","1") = "9"
    & skf18("10","9","6","2","9","1","1") = "9"
    & skf18("10","9","6","2","9","2","1") = "9"
    & skf18("10","9","6","2","9","3","1") = "9"
    & skf18("10","9","6","2","9","4","1") = "9"
    & skf18("10","9","6","2","9","5","1") = "9"
    & skf18("10","9","6","2","9","6","1") = "9"
    & skf18("10","9","6","2","9","7","1") = "9"
    & skf18("10","9","6","2","9","8","1") = "9"
    & skf18("10","9","6","2","9","9","1") = "9"
    & skf18("10","9","6","2","9","10","1") = "9"
    & skf18("10","9","6","2","10","1","1") = "9"
    & skf18("10","9","6","2","10","2","1") = "9"
    & skf18("10","9","6","2","10","3","1") = "9"
    & skf18("10","9","6","2","10","4","1") = "9"
    & skf18("10","9","6","2","10","5","1") = "9"
    & skf18("10","9","6","2","10","6","1") = "9"
    & skf18("10","9","6","2","10","7","1") = "9"
    & skf18("10","9","6","2","10","8","1") = "9"
    & skf18("10","9","6","2","10","9","1") = "9"
    & skf18("10","9","6","2","10","10","1") = "9"
    & skf18("10","9","6","3","1","1","1") = "9"
    & skf18("10","9","6","3","1","2","1") = "9"
    & skf18("10","9","6","3","1","3","1") = "9"
    & skf18("10","9","6","3","1","4","1") = "9"
    & skf18("10","9","6","3","1","5","1") = "9"
    & skf18("10","9","6","3","1","6","1") = "9"
    & skf18("10","9","6","3","1","7","1") = "9"
    & skf18("10","9","6","3","1","8","1") = "9"
    & skf18("10","9","6","3","1","9","1") = "9"
    & skf18("10","9","6","3","1","10","1") = "9"
    & skf18("10","9","6","3","2","1","1") = "9"
    & skf18("10","9","6","3","2","2","1") = "9"
    & skf18("10","9","6","3","2","3","1") = "9"
    & skf18("10","9","6","3","2","4","1") = "9"
    & skf18("10","9","6","3","2","5","1") = "9"
    & skf18("10","9","6","3","2","6","1") = "9"
    & skf18("10","9","6","3","2","7","1") = "9"
    & skf18("10","9","6","3","2","8","1") = "9"
    & skf18("10","9","6","3","2","9","1") = "9"
    & skf18("10","9","6","3","2","10","1") = "9"
    & skf18("10","9","6","3","3","1","1") = "9"
    & skf18("10","9","6","3","3","2","1") = "9"
    & skf18("10","9","6","3","3","3","1") = "9"
    & skf18("10","9","6","3","3","4","1") = "9"
    & skf18("10","9","6","3","3","5","1") = "9"
    & skf18("10","9","6","3","3","6","1") = "9"
    & skf18("10","9","6","3","3","7","1") = "9"
    & skf18("10","9","6","3","3","8","1") = "9"
    & skf18("10","9","6","3","3","9","1") = "9"
    & skf18("10","9","6","3","3","10","1") = "9"
    & skf18("10","9","6","3","4","1","1") = "9"
    & skf18("10","9","6","3","4","2","1") = "9"
    & skf18("10","9","6","3","4","3","1") = "9"
    & skf18("10","9","6","3","4","4","1") = "9"
    & skf18("10","9","6","3","4","5","1") = "9"
    & skf18("10","9","6","3","4","6","1") = "9"
    & skf18("10","9","6","3","4","7","1") = "9"
    & skf18("10","9","6","3","4","8","1") = "9"
    & skf18("10","9","6","3","4","9","1") = "9"
    & skf18("10","9","6","3","4","10","1") = "9"
    & skf18("10","9","6","3","5","1","1") = "9"
    & skf18("10","9","6","3","5","2","1") = "9"
    & skf18("10","9","6","3","5","3","1") = "9"
    & skf18("10","9","6","3","5","4","1") = "9"
    & skf18("10","9","6","3","5","5","1") = "9"
    & skf18("10","9","6","3","5","6","1") = "9"
    & skf18("10","9","6","3","5","7","1") = "9"
    & skf18("10","9","6","3","5","8","1") = "9"
    & skf18("10","9","6","3","5","9","1") = "9"
    & skf18("10","9","6","3","5","10","1") = "9"
    & skf18("10","9","6","3","6","1","1") = "9"
    & skf18("10","9","6","3","6","2","1") = "9"
    & skf18("10","9","6","3","6","3","1") = "9"
    & skf18("10","9","6","3","6","4","1") = "9"
    & skf18("10","9","6","3","6","5","1") = "9"
    & skf18("10","9","6","3","6","6","1") = "9"
    & skf18("10","9","6","3","6","7","1") = "9"
    & skf18("10","9","6","3","6","8","1") = "9"
    & skf18("10","9","6","3","6","9","1") = "9"
    & skf18("10","9","6","3","6","10","1") = "9"
    & skf18("10","9","6","3","7","1","1") = "9"
    & skf18("10","9","6","3","7","2","1") = "9"
    & skf18("10","9","6","3","7","3","1") = "9"
    & skf18("10","9","6","3","7","4","1") = "9"
    & skf18("10","9","6","3","7","5","1") = "9"
    & skf18("10","9","6","3","7","6","1") = "9"
    & skf18("10","9","6","3","7","7","1") = "9"
    & skf18("10","9","6","3","7","8","1") = "9"
    & skf18("10","9","6","3","7","9","1") = "9"
    & skf18("10","9","6","3","7","10","1") = "9"
    & skf18("10","9","6","3","8","1","1") = "9"
    & skf18("10","9","6","3","8","2","1") = "9"
    & skf18("10","9","6","3","8","3","1") = "9"
    & skf18("10","9","6","3","8","4","1") = "9"
    & skf18("10","9","6","3","8","5","1") = "9"
    & skf18("10","9","6","3","8","6","1") = "9"
    & skf18("10","9","6","3","8","7","1") = "9"
    & skf18("10","9","6","3","8","8","1") = "9"
    & skf18("10","9","6","3","8","9","1") = "9"
    & skf18("10","9","6","3","8","10","1") = "9"
    & skf18("10","9","6","3","9","1","1") = "9"
    & skf18("10","9","6","3","9","2","1") = "9"
    & skf18("10","9","6","3","9","3","1") = "9"
    & skf18("10","9","6","3","9","4","1") = "9"
    & skf18("10","9","6","3","9","5","1") = "9"
    & skf18("10","9","6","3","9","6","1") = "9"
    & skf18("10","9","6","3","9","7","1") = "9"
    & skf18("10","9","6","3","9","8","1") = "9"
    & skf18("10","9","6","3","9","9","1") = "9"
    & skf18("10","9","6","3","9","10","1") = "9"
    & skf18("10","9","6","3","10","1","1") = "9"
    & skf18("10","9","6","3","10","2","1") = "9"
    & skf18("10","9","6","3","10","3","1") = "9"
    & skf18("10","9","6","3","10","4","1") = "9"
    & skf18("10","9","6","3","10","5","1") = "9"
    & skf18("10","9","6","3","10","6","1") = "9"
    & skf18("10","9","6","3","10","7","1") = "9"
    & skf18("10","9","6","3","10","8","1") = "9"
    & skf18("10","9","6","3","10","9","1") = "9"
    & skf18("10","9","6","3","10","10","1") = "9"
    & skf18("10","9","6","4","1","1","1") = "9"
    & skf18("10","9","6","4","1","2","1") = "9"
    & skf18("10","9","6","4","1","3","1") = "9"
    & skf18("10","9","6","4","1","4","1") = "9"
    & skf18("10","9","6","4","1","5","1") = "9"
    & skf18("10","9","6","4","1","6","1") = "9"
    & skf18("10","9","6","4","1","7","1") = "9"
    & skf18("10","9","6","4","1","8","1") = "9"
    & skf18("10","9","6","4","1","9","1") = "9"
    & skf18("10","9","6","4","1","10","1") = "9"
    & skf18("10","9","6","4","2","1","1") = "9"
    & skf18("10","9","6","4","2","2","1") = "9"
    & skf18("10","9","6","4","2","3","1") = "9"
    & skf18("10","9","6","4","2","4","1") = "9"
    & skf18("10","9","6","4","2","5","1") = "9"
    & skf18("10","9","6","4","2","6","1") = "9"
    & skf18("10","9","6","4","2","7","1") = "9"
    & skf18("10","9","6","4","2","8","1") = "9"
    & skf18("10","9","6","4","2","9","1") = "9"
    & skf18("10","9","6","4","2","10","1") = "9"
    & skf18("10","9","6","4","3","1","1") = "9"
    & skf18("10","9","6","4","3","2","1") = "9"
    & skf18("10","9","6","4","3","3","1") = "9"
    & skf18("10","9","6","4","3","4","1") = "9"
    & skf18("10","9","6","4","3","5","1") = "9"
    & skf18("10","9","6","4","3","6","1") = "9"
    & skf18("10","9","6","4","3","7","1") = "9"
    & skf18("10","9","6","4","3","8","1") = "9"
    & skf18("10","9","6","4","3","9","1") = "9"
    & skf18("10","9","6","4","3","10","1") = "9"
    & skf18("10","9","6","4","4","1","1") = "9"
    & skf18("10","9","6","4","4","2","1") = "9"
    & skf18("10","9","6","4","4","3","1") = "9"
    & skf18("10","9","6","4","4","4","1") = "9"
    & skf18("10","9","6","4","4","5","1") = "9"
    & skf18("10","9","6","4","4","6","1") = "9"
    & skf18("10","9","6","4","4","7","1") = "9"
    & skf18("10","9","6","4","4","8","1") = "9"
    & skf18("10","9","6","4","4","9","1") = "9"
    & skf18("10","9","6","4","4","10","1") = "9"
    & skf18("10","9","6","4","5","1","1") = "9"
    & skf18("10","9","6","4","5","2","1") = "9"
    & skf18("10","9","6","4","5","3","1") = "9"
    & skf18("10","9","6","4","5","4","1") = "9"
    & skf18("10","9","6","4","5","5","1") = "9"
    & skf18("10","9","6","4","5","6","1") = "9"
    & skf18("10","9","6","4","5","7","1") = "9"
    & skf18("10","9","6","4","5","8","1") = "9"
    & skf18("10","9","6","4","5","9","1") = "9"
    & skf18("10","9","6","4","5","10","1") = "9"
    & skf18("10","9","6","4","6","1","1") = "9"
    & skf18("10","9","6","4","6","2","1") = "9"
    & skf18("10","9","6","4","6","3","1") = "9"
    & skf18("10","9","6","4","6","4","1") = "9"
    & skf18("10","9","6","4","6","5","1") = "9"
    & skf18("10","9","6","4","6","6","1") = "9"
    & skf18("10","9","6","4","6","7","1") = "9"
    & skf18("10","9","6","4","6","8","1") = "9"
    & skf18("10","9","6","4","6","9","1") = "9"
    & skf18("10","9","6","4","6","10","1") = "9"
    & skf18("10","9","6","4","7","1","1") = "9"
    & skf18("10","9","6","4","7","2","1") = "9"
    & skf18("10","9","6","4","7","3","1") = "9"
    & skf18("10","9","6","4","7","4","1") = "9"
    & skf18("10","9","6","4","7","5","1") = "9"
    & skf18("10","9","6","4","7","6","1") = "9"
    & skf18("10","9","6","4","7","7","1") = "9"
    & skf18("10","9","6","4","7","8","1") = "9"
    & skf18("10","9","6","4","7","9","1") = "9"
    & skf18("10","9","6","4","7","10","1") = "9"
    & skf18("10","9","6","4","8","1","1") = "9"
    & skf18("10","9","6","4","8","2","1") = "9"
    & skf18("10","9","6","4","8","3","1") = "9"
    & skf18("10","9","6","4","8","4","1") = "9"
    & skf18("10","9","6","4","8","5","1") = "9"
    & skf18("10","9","6","4","8","6","1") = "9"
    & skf18("10","9","6","4","8","7","1") = "9"
    & skf18("10","9","6","4","8","8","1") = "9"
    & skf18("10","9","6","4","8","9","1") = "9"
    & skf18("10","9","6","4","8","10","1") = "9"
    & skf18("10","9","6","4","9","1","1") = "9"
    & skf18("10","9","6","4","9","2","1") = "9"
    & skf18("10","9","6","4","9","3","1") = "9"
    & skf18("10","9","6","4","9","4","1") = "9"
    & skf18("10","9","6","4","9","5","1") = "9"
    & skf18("10","9","6","4","9","6","1") = "9"
    & skf18("10","9","6","4","9","7","1") = "9"
    & skf18("10","9","6","4","9","8","1") = "9"
    & skf18("10","9","6","4","9","9","1") = "9"
    & skf18("10","9","6","4","9","10","1") = "9"
    & skf18("10","9","6","4","10","1","1") = "9"
    & skf18("10","9","6","4","10","2","1") = "9"
    & skf18("10","9","6","4","10","3","1") = "9"
    & skf18("10","9","6","4","10","4","1") = "9"
    & skf18("10","9","6","4","10","5","1") = "9"
    & skf18("10","9","6","4","10","6","1") = "9"
    & skf18("10","9","6","4","10","7","1") = "9"
    & skf18("10","9","6","4","10","8","1") = "9"
    & skf18("10","9","6","4","10","9","1") = "9"
    & skf18("10","9","6","4","10","10","1") = "9"
    & skf18("10","9","6","5","1","1","1") = "9"
    & skf18("10","9","6","5","1","2","1") = "9"
    & skf18("10","9","6","5","1","3","1") = "9"
    & skf18("10","9","6","5","1","4","1") = "9"
    & skf18("10","9","6","5","1","5","1") = "9"
    & skf18("10","9","6","5","1","6","1") = "9"
    & skf18("10","9","6","5","1","7","1") = "9"
    & skf18("10","9","6","5","1","8","1") = "9"
    & skf18("10","9","6","5","1","9","1") = "9"
    & skf18("10","9","6","5","1","10","1") = "9"
    & skf18("10","9","6","5","2","1","1") = "9"
    & skf18("10","9","6","5","2","2","1") = "9"
    & skf18("10","9","6","5","2","3","1") = "9"
    & skf18("10","9","6","5","2","4","1") = "9"
    & skf18("10","9","6","5","2","5","1") = "9"
    & skf18("10","9","6","5","2","6","1") = "9"
    & skf18("10","9","6","5","2","7","1") = "9"
    & skf18("10","9","6","5","2","8","1") = "9"
    & skf18("10","9","6","5","2","9","1") = "9"
    & skf18("10","9","6","5","2","10","1") = "9"
    & skf18("10","9","6","5","3","1","1") = "9"
    & skf18("10","9","6","5","3","2","1") = "9"
    & skf18("10","9","6","5","3","3","1") = "9"
    & skf18("10","9","6","5","3","4","1") = "9"
    & skf18("10","9","6","5","3","5","1") = "9"
    & skf18("10","9","6","5","3","6","1") = "9"
    & skf18("10","9","6","5","3","7","1") = "9"
    & skf18("10","9","6","5","3","8","1") = "9"
    & skf18("10","9","6","5","3","9","1") = "9"
    & skf18("10","9","6","5","3","10","1") = "9"
    & skf18("10","9","6","5","4","1","1") = "9"
    & skf18("10","9","6","5","4","2","1") = "9"
    & skf18("10","9","6","5","4","3","1") = "9"
    & skf18("10","9","6","5","4","4","1") = "9"
    & skf18("10","9","6","5","4","5","1") = "9"
    & skf18("10","9","6","5","4","6","1") = "9"
    & skf18("10","9","6","5","4","7","1") = "9"
    & skf18("10","9","6","5","4","8","1") = "9"
    & skf18("10","9","6","5","4","9","1") = "9"
    & skf18("10","9","6","5","4","10","1") = "9"
    & skf18("10","9","6","5","5","1","1") = "9"
    & skf18("10","9","6","5","5","2","1") = "9"
    & skf18("10","9","6","5","5","3","1") = "9"
    & skf18("10","9","6","5","5","4","1") = "9"
    & skf18("10","9","6","5","5","5","1") = "9"
    & skf18("10","9","6","5","5","6","1") = "9"
    & skf18("10","9","6","5","5","7","1") = "9"
    & skf18("10","9","6","5","5","8","1") = "9"
    & skf18("10","9","6","5","5","9","1") = "9"
    & skf18("10","9","6","5","5","10","1") = "9"
    & skf18("10","9","6","5","6","1","1") = "9"
    & skf18("10","9","6","5","6","2","1") = "9"
    & skf18("10","9","6","5","6","3","1") = "9"
    & skf18("10","9","6","5","6","4","1") = "9"
    & skf18("10","9","6","5","6","5","1") = "9"
    & skf18("10","9","6","5","6","6","1") = "9"
    & skf18("10","9","6","5","6","7","1") = "9"
    & skf18("10","9","6","5","6","8","1") = "9"
    & skf18("10","9","6","5","6","9","1") = "9"
    & skf18("10","9","6","5","6","10","1") = "9"
    & skf18("10","9","6","5","7","1","1") = "9"
    & skf18("10","9","6","5","7","2","1") = "9"
    & skf18("10","9","6","5","7","3","1") = "9"
    & skf18("10","9","6","5","7","4","1") = "9"
    & skf18("10","9","6","5","7","5","1") = "9"
    & skf18("10","9","6","5","7","6","1") = "9"
    & skf18("10","9","6","5","7","7","1") = "9"
    & skf18("10","9","6","5","7","8","1") = "9"
    & skf18("10","9","6","5","7","9","1") = "9"
    & skf18("10","9","6","5","7","10","1") = "9"
    & skf18("10","9","6","5","8","1","1") = "9"
    & skf18("10","9","6","5","8","2","1") = "9"
    & skf18("10","9","6","5","8","3","1") = "9"
    & skf18("10","9","6","5","8","4","1") = "9"
    & skf18("10","9","6","5","8","5","1") = "9"
    & skf18("10","9","6","5","8","6","1") = "9"
    & skf18("10","9","6","5","8","7","1") = "9"
    & skf18("10","9","6","5","8","8","1") = "9"
    & skf18("10","9","6","5","8","9","1") = "9"
    & skf18("10","9","6","5","8","10","1") = "9"
    & skf18("10","9","6","5","9","1","1") = "9"
    & skf18("10","9","6","5","9","2","1") = "9"
    & skf18("10","9","6","5","9","3","1") = "9"
    & skf18("10","9","6","5","9","4","1") = "9"
    & skf18("10","9","6","5","9","5","1") = "9"
    & skf18("10","9","6","5","9","6","1") = "9"
    & skf18("10","9","6","5","9","7","1") = "9"
    & skf18("10","9","6","5","9","8","1") = "9"
    & skf18("10","9","6","5","9","9","1") = "9"
    & skf18("10","9","6","5","9","10","1") = "9"
    & skf18("10","9","6","5","10","1","1") = "9"
    & skf18("10","9","6","5","10","2","1") = "9"
    & skf18("10","9","6","5","10","3","1") = "9"
    & skf18("10","9","6","5","10","4","1") = "9"
    & skf18("10","9","6","5","10","5","1") = "9"
    & skf18("10","9","6","5","10","6","1") = "9"
    & skf18("10","9","6","5","10","7","1") = "9"
    & skf18("10","9","6","5","10","8","1") = "9"
    & skf18("10","9","6","5","10","9","1") = "9"
    & skf18("10","9","6","5","10","10","1") = "9"
    & skf18("10","9","6","6","1","1","1") = "9"
    & skf18("10","9","6","6","1","2","1") = "9"
    & skf18("10","9","6","6","1","3","1") = "9"
    & skf18("10","9","6","6","1","4","1") = "9"
    & skf18("10","9","6","6","1","5","1") = "9"
    & skf18("10","9","6","6","1","6","1") = "9"
    & skf18("10","9","6","6","1","7","1") = "9"
    & skf18("10","9","6","6","1","8","1") = "9"
    & skf18("10","9","6","6","1","9","1") = "9"
    & skf18("10","9","6","6","1","10","1") = "9"
    & skf18("10","9","6","6","2","1","1") = "9"
    & skf18("10","9","6","6","2","2","1") = "9"
    & skf18("10","9","6","6","2","3","1") = "9"
    & skf18("10","9","6","6","2","4","1") = "9"
    & skf18("10","9","6","6","2","5","1") = "9"
    & skf18("10","9","6","6","2","6","1") = "9"
    & skf18("10","9","6","6","2","7","1") = "9"
    & skf18("10","9","6","6","2","8","1") = "9"
    & skf18("10","9","6","6","2","9","1") = "9"
    & skf18("10","9","6","6","2","10","1") = "9"
    & skf18("10","9","6","6","3","1","1") = "9"
    & skf18("10","9","6","6","3","2","1") = "9"
    & skf18("10","9","6","6","3","3","1") = "9"
    & skf18("10","9","6","6","3","4","1") = "9"
    & skf18("10","9","6","6","3","5","1") = "9"
    & skf18("10","9","6","6","3","6","1") = "9"
    & skf18("10","9","6","6","3","7","1") = "9"
    & skf18("10","9","6","6","3","8","1") = "9"
    & skf18("10","9","6","6","3","9","1") = "9"
    & skf18("10","9","6","6","3","10","1") = "9"
    & skf18("10","9","6","6","4","1","1") = "9"
    & skf18("10","9","6","6","4","2","1") = "9"
    & skf18("10","9","6","6","4","3","1") = "9"
    & skf18("10","9","6","6","4","4","1") = "9"
    & skf18("10","9","6","6","4","5","1") = "9"
    & skf18("10","9","6","6","4","6","1") = "9"
    & skf18("10","9","6","6","4","7","1") = "9"
    & skf18("10","9","6","6","4","8","1") = "9"
    & skf18("10","9","6","6","4","9","1") = "9"
    & skf18("10","9","6","6","4","10","1") = "9"
    & skf18("10","9","6","6","5","1","1") = "9"
    & skf18("10","9","6","6","5","2","1") = "9"
    & skf18("10","9","6","6","5","3","1") = "9"
    & skf18("10","9","6","6","5","4","1") = "9"
    & skf18("10","9","6","6","5","5","1") = "9"
    & skf18("10","9","6","6","5","6","1") = "9"
    & skf18("10","9","6","6","5","7","1") = "9"
    & skf18("10","9","6","6","5","8","1") = "9"
    & skf18("10","9","6","6","5","9","1") = "9"
    & skf18("10","9","6","6","5","10","1") = "9"
    & skf18("10","9","6","6","6","1","1") = "9"
    & skf18("10","9","6","6","6","2","1") = "9"
    & skf18("10","9","6","6","6","3","1") = "9"
    & skf18("10","9","6","6","6","4","1") = "9"
    & skf18("10","9","6","6","6","5","1") = "9"
    & skf18("10","9","6","6","6","6","1") = "9"
    & skf18("10","9","6","6","6","7","1") = "9"
    & skf18("10","9","6","6","6","8","1") = "9"
    & skf18("10","9","6","6","6","9","1") = "9"
    & skf18("10","9","6","6","6","10","1") = "9"
    & skf18("10","9","6","6","7","1","1") = "9"
    & skf18("10","9","6","6","7","2","1") = "9"
    & skf18("10","9","6","6","7","3","1") = "9"
    & skf18("10","9","6","6","7","4","1") = "9"
    & skf18("10","9","6","6","7","5","1") = "9"
    & skf18("10","9","6","6","7","6","1") = "9"
    & skf18("10","9","6","6","7","7","1") = "9"
    & skf18("10","9","6","6","7","8","1") = "9"
    & skf18("10","9","6","6","7","9","1") = "9"
    & skf18("10","9","6","6","7","10","1") = "9"
    & skf18("10","9","6","6","8","1","1") = "9"
    & skf18("10","9","6","6","8","2","1") = "9"
    & skf18("10","9","6","6","8","3","1") = "9"
    & skf18("10","9","6","6","8","4","1") = "9"
    & skf18("10","9","6","6","8","5","1") = "9"
    & skf18("10","9","6","6","8","6","1") = "9"
    & skf18("10","9","6","6","8","7","1") = "9"
    & skf18("10","9","6","6","8","8","1") = "9"
    & skf18("10","9","6","6","8","9","1") = "9"
    & skf18("10","9","6","6","8","10","1") = "9"
    & skf18("10","9","6","6","9","1","1") = "9"
    & skf18("10","9","6","6","9","2","1") = "9"
    & skf18("10","9","6","6","9","3","1") = "9"
    & skf18("10","9","6","6","9","4","1") = "9"
    & skf18("10","9","6","6","9","5","1") = "9"
    & skf18("10","9","6","6","9","6","1") = "9"
    & skf18("10","9","6","6","9","7","1") = "9"
    & skf18("10","9","6","6","9","8","1") = "9"
    & skf18("10","9","6","6","9","9","1") = "9"
    & skf18("10","9","6","6","9","10","1") = "9"
    & skf18("10","9","6","6","10","1","1") = "9"
    & skf18("10","9","6","6","10","2","1") = "9"
    & skf18("10","9","6","6","10","3","1") = "9"
    & skf18("10","9","6","6","10","4","1") = "9"
    & skf18("10","9","6","6","10","5","1") = "9"
    & skf18("10","9","6","6","10","6","1") = "9"
    & skf18("10","9","6","6","10","7","1") = "9"
    & skf18("10","9","6","6","10","8","1") = "9"
    & skf18("10","9","6","6","10","9","1") = "9"
    & skf18("10","9","6","6","10","10","1") = "9"
    & skf18("10","9","6","7","1","1","1") = "9"
    & skf18("10","9","6","7","1","2","1") = "9"
    & skf18("10","9","6","7","1","3","1") = "9"
    & skf18("10","9","6","7","1","4","1") = "9"
    & skf18("10","9","6","7","1","5","1") = "9"
    & skf18("10","9","6","7","1","6","1") = "9"
    & skf18("10","9","6","7","1","7","1") = "9"
    & skf18("10","9","6","7","1","8","1") = "9"
    & skf18("10","9","6","7","1","9","1") = "9"
    & skf18("10","9","6","7","1","10","1") = "9"
    & skf18("10","9","6","7","2","1","1") = "9"
    & skf18("10","9","6","7","2","2","1") = "9"
    & skf18("10","9","6","7","2","3","1") = "9"
    & skf18("10","9","6","7","2","4","1") = "9"
    & skf18("10","9","6","7","2","5","1") = "9"
    & skf18("10","9","6","7","2","6","1") = "9"
    & skf18("10","9","6","7","2","7","1") = "9"
    & skf18("10","9","6","7","2","8","1") = "9"
    & skf18("10","9","6","7","2","9","1") = "9"
    & skf18("10","9","6","7","2","10","1") = "9"
    & skf18("10","9","6","7","3","1","1") = "9"
    & skf18("10","9","6","7","3","2","1") = "9"
    & skf18("10","9","6","7","3","3","1") = "9"
    & skf18("10","9","6","7","3","4","1") = "9"
    & skf18("10","9","6","7","3","5","1") = "9"
    & skf18("10","9","6","7","3","6","1") = "9"
    & skf18("10","9","6","7","3","7","1") = "9"
    & skf18("10","9","6","7","3","8","1") = "9"
    & skf18("10","9","6","7","3","9","1") = "9"
    & skf18("10","9","6","7","3","10","1") = "9"
    & skf18("10","9","6","7","4","1","1") = "9"
    & skf18("10","9","6","7","4","2","1") = "9"
    & skf18("10","9","6","7","4","3","1") = "9"
    & skf18("10","9","6","7","4","4","1") = "9"
    & skf18("10","9","6","7","4","5","1") = "9"
    & skf18("10","9","6","7","4","6","1") = "9"
    & skf18("10","9","6","7","4","7","1") = "9"
    & skf18("10","9","6","7","4","8","1") = "9"
    & skf18("10","9","6","7","4","9","1") = "9"
    & skf18("10","9","6","7","4","10","1") = "9"
    & skf18("10","9","6","7","5","1","1") = "9"
    & skf18("10","9","6","7","5","2","1") = "9"
    & skf18("10","9","6","7","5","3","1") = "9"
    & skf18("10","9","6","7","5","4","1") = "9"
    & skf18("10","9","6","7","5","5","1") = "9"
    & skf18("10","9","6","7","5","6","1") = "9"
    & skf18("10","9","6","7","5","7","1") = "9"
    & skf18("10","9","6","7","5","8","1") = "9"
    & skf18("10","9","6","7","5","9","1") = "9"
    & skf18("10","9","6","7","5","10","1") = "9"
    & skf18("10","9","6","7","6","1","1") = "9"
    & skf18("10","9","6","7","6","2","1") = "9"
    & skf18("10","9","6","7","6","3","1") = "9"
    & skf18("10","9","6","7","6","4","1") = "9"
    & skf18("10","9","6","7","6","5","1") = "9"
    & skf18("10","9","6","7","6","6","1") = "9"
    & skf18("10","9","6","7","6","7","1") = "9"
    & skf18("10","9","6","7","6","8","1") = "9"
    & skf18("10","9","6","7","6","9","1") = "9"
    & skf18("10","9","6","7","6","10","1") = "9"
    & skf18("10","9","6","7","7","1","1") = "9"
    & skf18("10","9","6","7","7","2","1") = "9"
    & skf18("10","9","6","7","7","3","1") = "9"
    & skf18("10","9","6","7","7","4","1") = "9"
    & skf18("10","9","6","7","7","5","1") = "9"
    & skf18("10","9","6","7","7","6","1") = "9"
    & skf18("10","9","6","7","7","7","1") = "9"
    & skf18("10","9","6","7","7","8","1") = "9"
    & skf18("10","9","6","7","7","9","1") = "9"
    & skf18("10","9","6","7","7","10","1") = "9"
    & skf18("10","9","6","7","8","1","1") = "9"
    & skf18("10","9","6","7","8","2","1") = "9"
    & skf18("10","9","6","7","8","3","1") = "9"
    & skf18("10","9","6","7","8","4","1") = "9"
    & skf18("10","9","6","7","8","5","1") = "9"
    & skf18("10","9","6","7","8","6","1") = "9"
    & skf18("10","9","6","7","8","7","1") = "9"
    & skf18("10","9","6","7","8","8","1") = "9"
    & skf18("10","9","6","7","8","9","1") = "9"
    & skf18("10","9","6","7","8","10","1") = "9"
    & skf18("10","9","6","7","9","1","1") = "9"
    & skf18("10","9","6","7","9","2","1") = "9"
    & skf18("10","9","6","7","9","3","1") = "9"
    & skf18("10","9","6","7","9","4","1") = "9"
    & skf18("10","9","6","7","9","5","1") = "9"
    & skf18("10","9","6","7","9","6","1") = "9"
    & skf18("10","9","6","7","9","7","1") = "9"
    & skf18("10","9","6","7","9","8","1") = "9"
    & skf18("10","9","6","7","9","9","1") = "9"
    & skf18("10","9","6","7","9","10","1") = "9"
    & skf18("10","9","6","7","10","1","1") = "9"
    & skf18("10","9","6","7","10","2","1") = "9"
    & skf18("10","9","6","7","10","3","1") = "9"
    & skf18("10","9","6","7","10","4","1") = "9"
    & skf18("10","9","6","7","10","5","1") = "9"
    & skf18("10","9","6","7","10","6","1") = "9"
    & skf18("10","9","6","7","10","7","1") = "9"
    & skf18("10","9","6","7","10","8","1") = "9"
    & skf18("10","9","6","7","10","9","1") = "9"
    & skf18("10","9","6","7","10","10","1") = "9"
    & skf18("10","9","6","8","1","1","1") = "9"
    & skf18("10","9","6","8","1","2","1") = "9"
    & skf18("10","9","6","8","1","3","1") = "9"
    & skf18("10","9","6","8","1","4","1") = "9"
    & skf18("10","9","6","8","1","5","1") = "9"
    & skf18("10","9","6","8","1","6","1") = "9"
    & skf18("10","9","6","8","1","7","1") = "9"
    & skf18("10","9","6","8","1","8","1") = "9"
    & skf18("10","9","6","8","1","9","1") = "9"
    & skf18("10","9","6","8","1","10","1") = "9"
    & skf18("10","9","6","8","2","1","1") = "9"
    & skf18("10","9","6","8","2","2","1") = "9"
    & skf18("10","9","6","8","2","3","1") = "9"
    & skf18("10","9","6","8","2","4","1") = "9"
    & skf18("10","9","6","8","2","5","1") = "9"
    & skf18("10","9","6","8","2","6","1") = "9"
    & skf18("10","9","6","8","2","7","1") = "9"
    & skf18("10","9","6","8","2","8","1") = "9"
    & skf18("10","9","6","8","2","9","1") = "9"
    & skf18("10","9","6","8","2","10","1") = "9"
    & skf18("10","9","6","8","3","1","1") = "9"
    & skf18("10","9","6","8","3","2","1") = "9"
    & skf18("10","9","6","8","3","3","1") = "9"
    & skf18("10","9","6","8","3","4","1") = "9"
    & skf18("10","9","6","8","3","5","1") = "9"
    & skf18("10","9","6","8","3","6","1") = "9"
    & skf18("10","9","6","8","3","7","1") = "9"
    & skf18("10","9","6","8","3","8","1") = "9"
    & skf18("10","9","6","8","3","9","1") = "9"
    & skf18("10","9","6","8","3","10","1") = "9"
    & skf18("10","9","6","8","4","1","1") = "9"
    & skf18("10","9","6","8","4","2","1") = "9"
    & skf18("10","9","6","8","4","3","1") = "9"
    & skf18("10","9","6","8","4","4","1") = "9"
    & skf18("10","9","6","8","4","5","1") = "9"
    & skf18("10","9","6","8","4","6","1") = "9"
    & skf18("10","9","6","8","4","7","1") = "9"
    & skf18("10","9","6","8","4","8","1") = "9"
    & skf18("10","9","6","8","4","9","1") = "9"
    & skf18("10","9","6","8","4","10","1") = "9"
    & skf18("10","9","6","8","5","1","1") = "9"
    & skf18("10","9","6","8","5","2","1") = "9"
    & skf18("10","9","6","8","5","3","1") = "9"
    & skf18("10","9","6","8","5","4","1") = "9"
    & skf18("10","9","6","8","5","5","1") = "9"
    & skf18("10","9","6","8","5","6","1") = "9"
    & skf18("10","9","6","8","5","7","1") = "9"
    & skf18("10","9","6","8","5","8","1") = "9"
    & skf18("10","9","6","8","5","9","1") = "9"
    & skf18("10","9","6","8","5","10","1") = "9"
    & skf18("10","9","6","8","6","1","1") = "9"
    & skf18("10","9","6","8","6","2","1") = "9"
    & skf18("10","9","6","8","6","3","1") = "9"
    & skf18("10","9","6","8","6","4","1") = "9"
    & skf18("10","9","6","8","6","5","1") = "9"
    & skf18("10","9","6","8","6","6","1") = "9"
    & skf18("10","9","6","8","6","7","1") = "9"
    & skf18("10","9","6","8","6","8","1") = "9"
    & skf18("10","9","6","8","6","9","1") = "9"
    & skf18("10","9","6","8","6","10","1") = "9"
    & skf18("10","9","6","8","7","1","1") = "9"
    & skf18("10","9","6","8","7","2","1") = "9"
    & skf18("10","9","6","8","7","3","1") = "9"
    & skf18("10","9","6","8","7","4","1") = "9"
    & skf18("10","9","6","8","7","5","1") = "9"
    & skf18("10","9","6","8","7","6","1") = "9"
    & skf18("10","9","6","8","7","7","1") = "9"
    & skf18("10","9","6","8","7","8","1") = "9"
    & skf18("10","9","6","8","7","9","1") = "9"
    & skf18("10","9","6","8","7","10","1") = "9"
    & skf18("10","9","6","8","8","1","1") = "9"
    & skf18("10","9","6","8","8","2","1") = "9"
    & skf18("10","9","6","8","8","3","1") = "9"
    & skf18("10","9","6","8","8","4","1") = "9"
    & skf18("10","9","6","8","8","5","1") = "9"
    & skf18("10","9","6","8","8","6","1") = "9"
    & skf18("10","9","6","8","8","7","1") = "9"
    & skf18("10","9","6","8","8","8","1") = "9"
    & skf18("10","9","6","8","8","9","1") = "9"
    & skf18("10","9","6","8","8","10","1") = "9"
    & skf18("10","9","6","8","9","1","1") = "9"
    & skf18("10","9","6","8","9","2","1") = "9"
    & skf18("10","9","6","8","9","3","1") = "9"
    & skf18("10","9","6","8","9","4","1") = "9"
    & skf18("10","9","6","8","9","5","1") = "9"
    & skf18("10","9","6","8","9","6","1") = "9"
    & skf18("10","9","6","8","9","7","1") = "9"
    & skf18("10","9","6","8","9","8","1") = "9"
    & skf18("10","9","6","8","9","9","1") = "9"
    & skf18("10","9","6","8","9","10","1") = "9"
    & skf18("10","9","6","8","10","1","1") = "9"
    & skf18("10","9","6","8","10","2","1") = "9"
    & skf18("10","9","6","8","10","3","1") = "9"
    & skf18("10","9","6","8","10","4","1") = "9"
    & skf18("10","9","6","8","10","5","1") = "9"
    & skf18("10","9","6","8","10","6","1") = "9"
    & skf18("10","9","6","8","10","7","1") = "9"
    & skf18("10","9","6","8","10","8","1") = "9"
    & skf18("10","9","6","8","10","9","1") = "9"
    & skf18("10","9","6","8","10","10","1") = "9"
    & skf18("10","9","6","9","1","1","1") = "9"
    & skf18("10","9","6","9","1","2","1") = "9"
    & skf18("10","9","6","9","1","3","1") = "9"
    & skf18("10","9","6","9","1","4","1") = "9"
    & skf18("10","9","6","9","1","5","1") = "9"
    & skf18("10","9","6","9","1","6","1") = "9"
    & skf18("10","9","6","9","1","7","1") = "9"
    & skf18("10","9","6","9","1","8","1") = "9"
    & skf18("10","9","6","9","1","9","1") = "9"
    & skf18("10","9","6","9","1","10","1") = "9"
    & skf18("10","9","6","9","2","1","1") = "9"
    & skf18("10","9","6","9","2","2","1") = "9"
    & skf18("10","9","6","9","2","3","1") = "9"
    & skf18("10","9","6","9","2","4","1") = "9"
    & skf18("10","9","6","9","2","5","1") = "9"
    & skf18("10","9","6","9","2","6","1") = "9"
    & skf18("10","9","6","9","2","7","1") = "9"
    & skf18("10","9","6","9","2","8","1") = "9"
    & skf18("10","9","6","9","2","9","1") = "9"
    & skf18("10","9","6","9","2","10","1") = "9"
    & skf18("10","9","6","9","3","1","1") = "9"
    & skf18("10","9","6","9","3","2","1") = "9"
    & skf18("10","9","6","9","3","3","1") = "9"
    & skf18("10","9","6","9","3","4","1") = "9"
    & skf18("10","9","6","9","3","5","1") = "9"
    & skf18("10","9","6","9","3","6","1") = "9"
    & skf18("10","9","6","9","3","7","1") = "9"
    & skf18("10","9","6","9","3","8","1") = "9"
    & skf18("10","9","6","9","3","9","1") = "9"
    & skf18("10","9","6","9","3","10","1") = "9"
    & skf18("10","9","6","9","4","1","1") = "9"
    & skf18("10","9","6","9","4","2","1") = "9"
    & skf18("10","9","6","9","4","3","1") = "9"
    & skf18("10","9","6","9","4","4","1") = "9"
    & skf18("10","9","6","9","4","5","1") = "9"
    & skf18("10","9","6","9","4","6","1") = "9"
    & skf18("10","9","6","9","4","7","1") = "9"
    & skf18("10","9","6","9","4","8","1") = "9"
    & skf18("10","9","6","9","4","9","1") = "9"
    & skf18("10","9","6","9","4","10","1") = "9"
    & skf18("10","9","6","9","5","1","1") = "9"
    & skf18("10","9","6","9","5","2","1") = "9"
    & skf18("10","9","6","9","5","3","1") = "9"
    & skf18("10","9","6","9","5","4","1") = "9"
    & skf18("10","9","6","9","5","5","1") = "9"
    & skf18("10","9","6","9","5","6","1") = "9"
    & skf18("10","9","6","9","5","7","1") = "9"
    & skf18("10","9","6","9","5","8","1") = "9"
    & skf18("10","9","6","9","5","9","1") = "9"
    & skf18("10","9","6","9","5","10","1") = "9"
    & skf18("10","9","6","9","6","1","1") = "9"
    & skf18("10","9","6","9","6","2","1") = "9"
    & skf18("10","9","6","9","6","3","1") = "9"
    & skf18("10","9","6","9","6","4","1") = "9"
    & skf18("10","9","6","9","6","5","1") = "9"
    & skf18("10","9","6","9","6","6","1") = "9"
    & skf18("10","9","6","9","6","7","1") = "9"
    & skf18("10","9","6","9","6","8","1") = "9"
    & skf18("10","9","6","9","6","9","1") = "9"
    & skf18("10","9","6","9","6","10","1") = "9"
    & skf18("10","9","6","9","7","1","1") = "9"
    & skf18("10","9","6","9","7","2","1") = "9"
    & skf18("10","9","6","9","7","3","1") = "9"
    & skf18("10","9","6","9","7","4","1") = "9"
    & skf18("10","9","6","9","7","5","1") = "9"
    & skf18("10","9","6","9","7","6","1") = "9"
    & skf18("10","9","6","9","7","7","1") = "9"
    & skf18("10","9","6","9","7","8","1") = "9"
    & skf18("10","9","6","9","7","9","1") = "9"
    & skf18("10","9","6","9","7","10","1") = "9"
    & skf18("10","9","6","9","8","1","1") = "9"
    & skf18("10","9","6","9","8","2","1") = "9"
    & skf18("10","9","6","9","8","3","1") = "9"
    & skf18("10","9","6","9","8","4","1") = "9"
    & skf18("10","9","6","9","8","5","1") = "9"
    & skf18("10","9","6","9","8","6","1") = "9"
    & skf18("10","9","6","9","8","7","1") = "9"
    & skf18("10","9","6","9","8","8","1") = "9"
    & skf18("10","9","6","9","8","9","1") = "9"
    & skf18("10","9","6","9","8","10","1") = "9"
    & skf18("10","9","6","9","9","1","1") = "9"
    & skf18("10","9","6","9","9","2","1") = "9"
    & skf18("10","9","6","9","9","3","1") = "9"
    & skf18("10","9","6","9","9","4","1") = "9"
    & skf18("10","9","6","9","9","5","1") = "9"
    & skf18("10","9","6","9","9","6","1") = "9"
    & skf18("10","9","6","9","9","7","1") = "9"
    & skf18("10","9","6","9","9","8","1") = "9"
    & skf18("10","9","6","9","9","9","1") = "9"
    & skf18("10","9","6","9","9","10","1") = "9"
    & skf18("10","9","6","9","10","1","1") = "9"
    & skf18("10","9","6","9","10","2","1") = "9"
    & skf18("10","9","6","9","10","3","1") = "9"
    & skf18("10","9","6","9","10","4","1") = "9"
    & skf18("10","9","6","9","10","5","1") = "9"
    & skf18("10","9","6","9","10","6","1") = "9"
    & skf18("10","9","6","9","10","7","1") = "9"
    & skf18("10","9","6","9","10","8","1") = "9"
    & skf18("10","9","6","9","10","9","1") = "9"
    & skf18("10","9","6","9","10","10","1") = "9"
    & skf18("10","9","6","10","1","1","1") = "9"
    & skf18("10","9","6","10","1","2","1") = "9"
    & skf18("10","9","6","10","1","3","1") = "9"
    & skf18("10","9","6","10","1","4","1") = "9"
    & skf18("10","9","6","10","1","5","1") = "9"
    & skf18("10","9","6","10","1","6","1") = "9"
    & skf18("10","9","6","10","1","7","1") = "9"
    & skf18("10","9","6","10","1","8","1") = "9"
    & skf18("10","9","6","10","1","9","1") = "9"
    & skf18("10","9","6","10","1","10","1") = "9"
    & skf18("10","9","6","10","2","1","1") = "9"
    & skf18("10","9","6","10","2","2","1") = "9"
    & skf18("10","9","6","10","2","3","1") = "9"
    & skf18("10","9","6","10","2","4","1") = "9"
    & skf18("10","9","6","10","2","5","1") = "9"
    & skf18("10","9","6","10","2","6","1") = "9"
    & skf18("10","9","6","10","2","7","1") = "9"
    & skf18("10","9","6","10","2","8","1") = "9"
    & skf18("10","9","6","10","2","9","1") = "9"
    & skf18("10","9","6","10","2","10","1") = "9"
    & skf18("10","9","6","10","3","1","1") = "9"
    & skf18("10","9","6","10","3","2","1") = "9"
    & skf18("10","9","6","10","3","3","1") = "9"
    & skf18("10","9","6","10","3","4","1") = "9"
    & skf18("10","9","6","10","3","5","1") = "9"
    & skf18("10","9","6","10","3","6","1") = "9"
    & skf18("10","9","6","10","3","7","1") = "9"
    & skf18("10","9","6","10","3","8","1") = "9"
    & skf18("10","9","6","10","3","9","1") = "9"
    & skf18("10","9","6","10","3","10","1") = "9"
    & skf18("10","9","6","10","4","1","1") = "9"
    & skf18("10","9","6","10","4","2","1") = "9"
    & skf18("10","9","6","10","4","3","1") = "9"
    & skf18("10","9","6","10","4","4","1") = "9"
    & skf18("10","9","6","10","4","5","1") = "9"
    & skf18("10","9","6","10","4","6","1") = "9"
    & skf18("10","9","6","10","4","7","1") = "9"
    & skf18("10","9","6","10","4","8","1") = "9"
    & skf18("10","9","6","10","4","9","1") = "9"
    & skf18("10","9","6","10","4","10","1") = "9"
    & skf18("10","9","6","10","5","1","1") = "9"
    & skf18("10","9","6","10","5","2","1") = "9"
    & skf18("10","9","6","10","5","3","1") = "9"
    & skf18("10","9","6","10","5","4","1") = "9"
    & skf18("10","9","6","10","5","5","1") = "9"
    & skf18("10","9","6","10","5","6","1") = "9"
    & skf18("10","9","6","10","5","7","1") = "9"
    & skf18("10","9","6","10","5","8","1") = "9"
    & skf18("10","9","6","10","5","9","1") = "9"
    & skf18("10","9","6","10","5","10","1") = "9"
    & skf18("10","9","6","10","6","1","1") = "9"
    & skf18("10","9","6","10","6","2","1") = "9"
    & skf18("10","9","6","10","6","3","1") = "9"
    & skf18("10","9","6","10","6","4","1") = "9"
    & skf18("10","9","6","10","6","5","1") = "9"
    & skf18("10","9","6","10","6","6","1") = "9"
    & skf18("10","9","6","10","6","7","1") = "9"
    & skf18("10","9","6","10","6","8","1") = "9"
    & skf18("10","9","6","10","6","9","1") = "9"
    & skf18("10","9","6","10","6","10","1") = "9"
    & skf18("10","9","6","10","7","1","1") = "9"
    & skf18("10","9","6","10","7","2","1") = "9"
    & skf18("10","9","6","10","7","3","1") = "9"
    & skf18("10","9","6","10","7","4","1") = "9"
    & skf18("10","9","6","10","7","5","1") = "9"
    & skf18("10","9","6","10","7","6","1") = "9"
    & skf18("10","9","6","10","7","7","1") = "9"
    & skf18("10","9","6","10","7","8","1") = "9"
    & skf18("10","9","6","10","7","9","1") = "9"
    & skf18("10","9","6","10","7","10","1") = "9"
    & skf18("10","9","6","10","8","1","1") = "9"
    & skf18("10","9","6","10","8","2","1") = "9"
    & skf18("10","9","6","10","8","3","1") = "9"
    & skf18("10","9","6","10","8","4","1") = "9"
    & skf18("10","9","6","10","8","5","1") = "9"
    & skf18("10","9","6","10","8","6","1") = "9"
    & skf18("10","9","6","10","8","7","1") = "9"
    & skf18("10","9","6","10","8","8","1") = "9"
    & skf18("10","9","6","10","8","9","1") = "9"
    & skf18("10","9","6","10","8","10","1") = "9"
    & skf18("10","9","6","10","9","1","1") = "9"
    & skf18("10","9","6","10","9","2","1") = "9"
    & skf18("10","9","6","10","9","3","1") = "9"
    & skf18("10","9","6","10","9","4","1") = "9"
    & skf18("10","9","6","10","9","5","1") = "9"
    & skf18("10","9","6","10","9","6","1") = "9"
    & skf18("10","9","6","10","9","7","1") = "9"
    & skf18("10","9","6","10","9","8","1") = "9"
    & skf18("10","9","6","10","9","9","1") = "9"
    & skf18("10","9","6","10","9","10","1") = "9"
    & skf18("10","9","6","10","10","1","1") = "9"
    & skf18("10","9","6","10","10","2","1") = "9"
    & skf18("10","9","6","10","10","3","1") = "9"
    & skf18("10","9","6","10","10","4","1") = "9"
    & skf18("10","9","6","10","10","5","1") = "9"
    & skf18("10","9","6","10","10","6","1") = "9"
    & skf18("10","9","6","10","10","7","1") = "9"
    & skf18("10","9","6","10","10","8","1") = "9"
    & skf18("10","9","6","10","10","9","1") = "9"
    & skf18("10","9","6","10","10","10","1") = "9"
    & skf18("10","9","7","1","1","1","1") = "9"
    & skf18("10","9","7","1","1","2","1") = "9"
    & skf18("10","9","7","1","1","3","1") = "9"
    & skf18("10","9","7","1","1","4","1") = "9"
    & skf18("10","9","7","1","1","5","1") = "9"
    & skf18("10","9","7","1","1","6","1") = "9"
    & skf18("10","9","7","1","1","7","1") = "9"
    & skf18("10","9","7","1","1","8","1") = "9"
    & skf18("10","9","7","1","1","9","1") = "9"
    & skf18("10","9","7","1","1","10","1") = "9"
    & skf18("10","9","7","1","2","1","1") = "9"
    & skf18("10","9","7","1","2","2","1") = "9"
    & skf18("10","9","7","1","2","3","1") = "9"
    & skf18("10","9","7","1","2","4","1") = "9"
    & skf18("10","9","7","1","2","5","1") = "9"
    & skf18("10","9","7","1","2","6","1") = "9"
    & skf18("10","9","7","1","2","7","1") = "9"
    & skf18("10","9","7","1","2","8","1") = "9"
    & skf18("10","9","7","1","2","9","1") = "9"
    & skf18("10","9","7","1","2","10","1") = "9"
    & skf18("10","9","7","1","3","1","1") = "9"
    & skf18("10","9","7","1","3","2","1") = "9"
    & skf18("10","9","7","1","3","3","1") = "9"
    & skf18("10","9","7","1","3","4","1") = "9"
    & skf18("10","9","7","1","3","5","1") = "9"
    & skf18("10","9","7","1","3","6","1") = "9"
    & skf18("10","9","7","1","3","7","1") = "9"
    & skf18("10","9","7","1","3","8","1") = "9"
    & skf18("10","9","7","1","3","9","1") = "9"
    & skf18("10","9","7","1","3","10","1") = "9"
    & skf18("10","9","7","1","4","1","1") = "9"
    & skf18("10","9","7","1","4","2","1") = "9"
    & skf18("10","9","7","1","4","3","1") = "9"
    & skf18("10","9","7","1","4","4","1") = "9"
    & skf18("10","9","7","1","4","5","1") = "9"
    & skf18("10","9","7","1","4","6","1") = "9"
    & skf18("10","9","7","1","4","7","1") = "9"
    & skf18("10","9","7","1","4","8","1") = "9"
    & skf18("10","9","7","1","4","9","1") = "9"
    & skf18("10","9","7","1","4","10","1") = "9"
    & skf18("10","9","7","1","5","1","1") = "9"
    & skf18("10","9","7","1","5","2","1") = "9"
    & skf18("10","9","7","1","5","3","1") = "9"
    & skf18("10","9","7","1","5","4","1") = "9"
    & skf18("10","9","7","1","5","5","1") = "9"
    & skf18("10","9","7","1","5","6","1") = "9"
    & skf18("10","9","7","1","5","7","1") = "9"
    & skf18("10","9","7","1","5","8","1") = "9"
    & skf18("10","9","7","1","5","9","1") = "9"
    & skf18("10","9","7","1","5","10","1") = "9"
    & skf18("10","9","7","1","6","1","1") = "9"
    & skf18("10","9","7","1","6","2","1") = "9"
    & skf18("10","9","7","1","6","3","1") = "9"
    & skf18("10","9","7","1","6","4","1") = "9"
    & skf18("10","9","7","1","6","5","1") = "9"
    & skf18("10","9","7","1","6","6","1") = "9"
    & skf18("10","9","7","1","6","7","1") = "9"
    & skf18("10","9","7","1","6","8","1") = "9"
    & skf18("10","9","7","1","6","9","1") = "9"
    & skf18("10","9","7","1","6","10","1") = "9"
    & skf18("10","9","7","1","7","1","1") = "9"
    & skf18("10","9","7","1","7","2","1") = "9"
    & skf18("10","9","7","1","7","3","1") = "9"
    & skf18("10","9","7","1","7","4","1") = "9"
    & skf18("10","9","7","1","7","5","1") = "9"
    & skf18("10","9","7","1","7","6","1") = "9"
    & skf18("10","9","7","1","7","7","1") = "9"
    & skf18("10","9","7","1","7","8","1") = "9"
    & skf18("10","9","7","1","7","9","1") = "9"
    & skf18("10","9","7","1","7","10","1") = "9"
    & skf18("10","9","7","1","8","1","1") = "9"
    & skf18("10","9","7","1","8","2","1") = "9"
    & skf18("10","9","7","1","8","3","1") = "9"
    & skf18("10","9","7","1","8","4","1") = "9"
    & skf18("10","9","7","1","8","5","1") = "9"
    & skf18("10","9","7","1","8","6","1") = "9"
    & skf18("10","9","7","1","8","7","1") = "9"
    & skf18("10","9","7","1","8","8","1") = "9"
    & skf18("10","9","7","1","8","9","1") = "9"
    & skf18("10","9","7","1","8","10","1") = "9"
    & skf18("10","9","7","1","9","1","1") = "9"
    & skf18("10","9","7","1","9","2","1") = "9"
    & skf18("10","9","7","1","9","3","1") = "9"
    & skf18("10","9","7","1","9","4","1") = "9"
    & skf18("10","9","7","1","9","5","1") = "9"
    & skf18("10","9","7","1","9","6","1") = "9"
    & skf18("10","9","7","1","9","7","1") = "9"
    & skf18("10","9","7","1","9","8","1") = "9"
    & skf18("10","9","7","1","9","9","1") = "9"
    & skf18("10","9","7","1","9","10","1") = "9"
    & skf18("10","9","7","1","10","1","1") = "9"
    & skf18("10","9","7","1","10","2","1") = "9"
    & skf18("10","9","7","1","10","3","1") = "9"
    & skf18("10","9","7","1","10","4","1") = "9"
    & skf18("10","9","7","1","10","5","1") = "9"
    & skf18("10","9","7","1","10","6","1") = "9"
    & skf18("10","9","7","1","10","7","1") = "9"
    & skf18("10","9","7","1","10","8","1") = "9"
    & skf18("10","9","7","1","10","9","1") = "9"
    & skf18("10","9","7","1","10","10","1") = "9"
    & skf18("10","9","7","2","1","1","1") = "9"
    & skf18("10","9","7","2","1","2","1") = "9"
    & skf18("10","9","7","2","1","3","1") = "9"
    & skf18("10","9","7","2","1","4","1") = "9"
    & skf18("10","9","7","2","1","5","1") = "9"
    & skf18("10","9","7","2","1","6","1") = "9"
    & skf18("10","9","7","2","1","7","1") = "9"
    & skf18("10","9","7","2","1","8","1") = "9"
    & skf18("10","9","7","2","1","9","1") = "9"
    & skf18("10","9","7","2","1","10","1") = "9"
    & skf18("10","9","7","2","2","1","1") = "9"
    & skf18("10","9","7","2","2","2","1") = "9"
    & skf18("10","9","7","2","2","3","1") = "9"
    & skf18("10","9","7","2","2","4","1") = "9"
    & skf18("10","9","7","2","2","5","1") = "9"
    & skf18("10","9","7","2","2","6","1") = "9"
    & skf18("10","9","7","2","2","7","1") = "9"
    & skf18("10","9","7","2","2","8","1") = "9"
    & skf18("10","9","7","2","2","9","1") = "9"
    & skf18("10","9","7","2","2","10","1") = "9"
    & skf18("10","9","7","2","3","1","1") = "9"
    & skf18("10","9","7","2","3","2","1") = "9"
    & skf18("10","9","7","2","3","3","1") = "9"
    & skf18("10","9","7","2","3","4","1") = "9"
    & skf18("10","9","7","2","3","5","1") = "9"
    & skf18("10","9","7","2","3","6","1") = "9"
    & skf18("10","9","7","2","3","7","1") = "9"
    & skf18("10","9","7","2","3","8","1") = "9"
    & skf18("10","9","7","2","3","9","1") = "9"
    & skf18("10","9","7","2","3","10","1") = "9"
    & skf18("10","9","7","2","4","1","1") = "9"
    & skf18("10","9","7","2","4","2","1") = "9"
    & skf18("10","9","7","2","4","3","1") = "9"
    & skf18("10","9","7","2","4","4","1") = "9"
    & skf18("10","9","7","2","4","5","1") = "9"
    & skf18("10","9","7","2","4","6","1") = "9"
    & skf18("10","9","7","2","4","7","1") = "9"
    & skf18("10","9","7","2","4","8","1") = "9"
    & skf18("10","9","7","2","4","9","1") = "9"
    & skf18("10","9","7","2","4","10","1") = "9"
    & skf18("10","9","7","2","5","1","1") = "9"
    & skf18("10","9","7","2","5","2","1") = "9"
    & skf18("10","9","7","2","5","3","1") = "9"
    & skf18("10","9","7","2","5","4","1") = "9"
    & skf18("10","9","7","2","5","5","1") = "9"
    & skf18("10","9","7","2","5","6","1") = "9"
    & skf18("10","9","7","2","5","7","1") = "9"
    & skf18("10","9","7","2","5","8","1") = "9"
    & skf18("10","9","7","2","5","9","1") = "9"
    & skf18("10","9","7","2","5","10","1") = "9"
    & skf18("10","9","7","2","6","1","1") = "9"
    & skf18("10","9","7","2","6","2","1") = "9"
    & skf18("10","9","7","2","6","3","1") = "9"
    & skf18("10","9","7","2","6","4","1") = "9"
    & skf18("10","9","7","2","6","5","1") = "9"
    & skf18("10","9","7","2","6","6","1") = "9"
    & skf18("10","9","7","2","6","7","1") = "9"
    & skf18("10","9","7","2","6","8","1") = "9"
    & skf18("10","9","7","2","6","9","1") = "9"
    & skf18("10","9","7","2","6","10","1") = "9"
    & skf18("10","9","7","2","7","1","1") = "9"
    & skf18("10","9","7","2","7","2","1") = "9"
    & skf18("10","9","7","2","7","3","1") = "9"
    & skf18("10","9","7","2","7","4","1") = "9"
    & skf18("10","9","7","2","7","5","1") = "9"
    & skf18("10","9","7","2","7","6","1") = "9"
    & skf18("10","9","7","2","7","7","1") = "9"
    & skf18("10","9","7","2","7","8","1") = "9"
    & skf18("10","9","7","2","7","9","1") = "9"
    & skf18("10","9","7","2","7","10","1") = "9"
    & skf18("10","9","7","2","8","1","1") = "9"
    & skf18("10","9","7","2","8","2","1") = "9"
    & skf18("10","9","7","2","8","3","1") = "9"
    & skf18("10","9","7","2","8","4","1") = "9"
    & skf18("10","9","7","2","8","5","1") = "9"
    & skf18("10","9","7","2","8","6","1") = "9"
    & skf18("10","9","7","2","8","7","1") = "9"
    & skf18("10","9","7","2","8","8","1") = "9"
    & skf18("10","9","7","2","8","9","1") = "9"
    & skf18("10","9","7","2","8","10","1") = "9"
    & skf18("10","9","7","2","9","1","1") = "9"
    & skf18("10","9","7","2","9","2","1") = "9"
    & skf18("10","9","7","2","9","3","1") = "9"
    & skf18("10","9","7","2","9","4","1") = "9"
    & skf18("10","9","7","2","9","5","1") = "9"
    & skf18("10","9","7","2","9","6","1") = "9"
    & skf18("10","9","7","2","9","7","1") = "9"
    & skf18("10","9","7","2","9","8","1") = "9"
    & skf18("10","9","7","2","9","9","1") = "9"
    & skf18("10","9","7","2","9","10","1") = "9"
    & skf18("10","9","7","2","10","1","1") = "9"
    & skf18("10","9","7","2","10","2","1") = "9"
    & skf18("10","9","7","2","10","3","1") = "9"
    & skf18("10","9","7","2","10","4","1") = "9"
    & skf18("10","9","7","2","10","5","1") = "9"
    & skf18("10","9","7","2","10","6","1") = "9"
    & skf18("10","9","7","2","10","7","1") = "9"
    & skf18("10","9","7","2","10","8","1") = "9"
    & skf18("10","9","7","2","10","9","1") = "9"
    & skf18("10","9","7","2","10","10","1") = "9"
    & skf18("10","9","7","3","1","1","1") = "9"
    & skf18("10","9","7","3","1","2","1") = "9"
    & skf18("10","9","7","3","1","3","1") = "9"
    & skf18("10","9","7","3","1","4","1") = "9"
    & skf18("10","9","7","3","1","5","1") = "9"
    & skf18("10","9","7","3","1","6","1") = "9"
    & skf18("10","9","7","3","1","7","1") = "9"
    & skf18("10","9","7","3","1","8","1") = "9"
    & skf18("10","9","7","3","1","9","1") = "9"
    & skf18("10","9","7","3","1","10","1") = "9"
    & skf18("10","9","7","3","2","1","1") = "9"
    & skf18("10","9","7","3","2","2","1") = "9"
    & skf18("10","9","7","3","2","3","1") = "9"
    & skf18("10","9","7","3","2","4","1") = "9"
    & skf18("10","9","7","3","2","5","1") = "9"
    & skf18("10","9","7","3","2","6","1") = "9"
    & skf18("10","9","7","3","2","7","1") = "9"
    & skf18("10","9","7","3","2","8","1") = "9"
    & skf18("10","9","7","3","2","9","1") = "9"
    & skf18("10","9","7","3","2","10","1") = "9"
    & skf18("10","9","7","3","3","1","1") = "9"
    & skf18("10","9","7","3","3","2","1") = "9"
    & skf18("10","9","7","3","3","3","1") = "9"
    & skf18("10","9","7","3","3","4","1") = "9"
    & skf18("10","9","7","3","3","5","1") = "9"
    & skf18("10","9","7","3","3","6","1") = "9"
    & skf18("10","9","7","3","3","7","1") = "9"
    & skf18("10","9","7","3","3","8","1") = "9"
    & skf18("10","9","7","3","3","9","1") = "9"
    & skf18("10","9","7","3","3","10","1") = "9"
    & skf18("10","9","7","3","4","1","1") = "9"
    & skf18("10","9","7","3","4","2","1") = "9"
    & skf18("10","9","7","3","4","3","1") = "9"
    & skf18("10","9","7","3","4","4","1") = "9"
    & skf18("10","9","7","3","4","5","1") = "9"
    & skf18("10","9","7","3","4","6","1") = "9"
    & skf18("10","9","7","3","4","7","1") = "9"
    & skf18("10","9","7","3","4","8","1") = "9"
    & skf18("10","9","7","3","4","9","1") = "9"
    & skf18("10","9","7","3","4","10","1") = "9"
    & skf18("10","9","7","3","5","1","1") = "9"
    & skf18("10","9","7","3","5","2","1") = "9"
    & skf18("10","9","7","3","5","3","1") = "9"
    & skf18("10","9","7","3","5","4","1") = "9"
    & skf18("10","9","7","3","5","5","1") = "9"
    & skf18("10","9","7","3","5","6","1") = "9"
    & skf18("10","9","7","3","5","7","1") = "9"
    & skf18("10","9","7","3","5","8","1") = "9"
    & skf18("10","9","7","3","5","9","1") = "9"
    & skf18("10","9","7","3","5","10","1") = "9"
    & skf18("10","9","7","3","6","1","1") = "9"
    & skf18("10","9","7","3","6","2","1") = "9"
    & skf18("10","9","7","3","6","3","1") = "9"
    & skf18("10","9","7","3","6","4","1") = "9"
    & skf18("10","9","7","3","6","5","1") = "9"
    & skf18("10","9","7","3","6","6","1") = "9"
    & skf18("10","9","7","3","6","7","1") = "9"
    & skf18("10","9","7","3","6","8","1") = "9"
    & skf18("10","9","7","3","6","9","1") = "9"
    & skf18("10","9","7","3","6","10","1") = "9"
    & skf18("10","9","7","3","7","1","1") = "9"
    & skf18("10","9","7","3","7","2","1") = "9"
    & skf18("10","9","7","3","7","3","1") = "9"
    & skf18("10","9","7","3","7","4","1") = "9"
    & skf18("10","9","7","3","7","5","1") = "9"
    & skf18("10","9","7","3","7","6","1") = "9"
    & skf18("10","9","7","3","7","7","1") = "9"
    & skf18("10","9","7","3","7","8","1") = "9"
    & skf18("10","9","7","3","7","9","1") = "9"
    & skf18("10","9","7","3","7","10","1") = "9"
    & skf18("10","9","7","3","8","1","1") = "9"
    & skf18("10","9","7","3","8","2","1") = "9"
    & skf18("10","9","7","3","8","3","1") = "9"
    & skf18("10","9","7","3","8","4","1") = "9"
    & skf18("10","9","7","3","8","5","1") = "9"
    & skf18("10","9","7","3","8","6","1") = "9"
    & skf18("10","9","7","3","8","7","1") = "9"
    & skf18("10","9","7","3","8","8","1") = "9"
    & skf18("10","9","7","3","8","9","1") = "9"
    & skf18("10","9","7","3","8","10","1") = "9"
    & skf18("10","9","7","3","9","1","1") = "9"
    & skf18("10","9","7","3","9","2","1") = "9"
    & skf18("10","9","7","3","9","3","1") = "9"
    & skf18("10","9","7","3","9","4","1") = "9"
    & skf18("10","9","7","3","9","5","1") = "9"
    & skf18("10","9","7","3","9","6","1") = "9"
    & skf18("10","9","7","3","9","7","1") = "9"
    & skf18("10","9","7","3","9","8","1") = "9"
    & skf18("10","9","7","3","9","9","1") = "9"
    & skf18("10","9","7","3","9","10","1") = "9"
    & skf18("10","9","7","3","10","1","1") = "9"
    & skf18("10","9","7","3","10","2","1") = "9"
    & skf18("10","9","7","3","10","3","1") = "9"
    & skf18("10","9","7","3","10","4","1") = "9"
    & skf18("10","9","7","3","10","5","1") = "9"
    & skf18("10","9","7","3","10","6","1") = "9"
    & skf18("10","9","7","3","10","7","1") = "9"
    & skf18("10","9","7","3","10","8","1") = "9"
    & skf18("10","9","7","3","10","9","1") = "9"
    & skf18("10","9","7","3","10","10","1") = "9"
    & skf18("10","9","7","4","1","1","1") = "9"
    & skf18("10","9","7","4","1","2","1") = "9"
    & skf18("10","9","7","4","1","3","1") = "9"
    & skf18("10","9","7","4","1","4","1") = "9"
    & skf18("10","9","7","4","1","5","1") = "9"
    & skf18("10","9","7","4","1","6","1") = "9"
    & skf18("10","9","7","4","1","7","1") = "9"
    & skf18("10","9","7","4","1","8","1") = "9"
    & skf18("10","9","7","4","1","9","1") = "9"
    & skf18("10","9","7","4","1","10","1") = "9"
    & skf18("10","9","7","4","2","1","1") = "9"
    & skf18("10","9","7","4","2","2","1") = "9"
    & skf18("10","9","7","4","2","3","1") = "9"
    & skf18("10","9","7","4","2","4","1") = "9"
    & skf18("10","9","7","4","2","5","1") = "9"
    & skf18("10","9","7","4","2","6","1") = "9"
    & skf18("10","9","7","4","2","7","1") = "9"
    & skf18("10","9","7","4","2","8","1") = "9"
    & skf18("10","9","7","4","2","9","1") = "9"
    & skf18("10","9","7","4","2","10","1") = "9"
    & skf18("10","9","7","4","3","1","1") = "9"
    & skf18("10","9","7","4","3","2","1") = "9"
    & skf18("10","9","7","4","3","3","1") = "9"
    & skf18("10","9","7","4","3","4","1") = "9"
    & skf18("10","9","7","4","3","5","1") = "9"
    & skf18("10","9","7","4","3","6","1") = "9"
    & skf18("10","9","7","4","3","7","1") = "9"
    & skf18("10","9","7","4","3","8","1") = "9"
    & skf18("10","9","7","4","3","9","1") = "9"
    & skf18("10","9","7","4","3","10","1") = "9"
    & skf18("10","9","7","4","4","1","1") = "9"
    & skf18("10","9","7","4","4","2","1") = "9"
    & skf18("10","9","7","4","4","3","1") = "9"
    & skf18("10","9","7","4","4","4","1") = "9"
    & skf18("10","9","7","4","4","5","1") = "9"
    & skf18("10","9","7","4","4","6","1") = "9"
    & skf18("10","9","7","4","4","7","1") = "9"
    & skf18("10","9","7","4","4","8","1") = "9"
    & skf18("10","9","7","4","4","9","1") = "9"
    & skf18("10","9","7","4","4","10","1") = "9"
    & skf18("10","9","7","4","5","1","1") = "9"
    & skf18("10","9","7","4","5","2","1") = "9"
    & skf18("10","9","7","4","5","3","1") = "9"
    & skf18("10","9","7","4","5","4","1") = "9"
    & skf18("10","9","7","4","5","5","1") = "9"
    & skf18("10","9","7","4","5","6","1") = "9"
    & skf18("10","9","7","4","5","7","1") = "9"
    & skf18("10","9","7","4","5","8","1") = "9"
    & skf18("10","9","7","4","5","9","1") = "9"
    & skf18("10","9","7","4","5","10","1") = "9"
    & skf18("10","9","7","4","6","1","1") = "9"
    & skf18("10","9","7","4","6","2","1") = "9"
    & skf18("10","9","7","4","6","3","1") = "9"
    & skf18("10","9","7","4","6","4","1") = "9"
    & skf18("10","9","7","4","6","5","1") = "9"
    & skf18("10","9","7","4","6","6","1") = "9"
    & skf18("10","9","7","4","6","7","1") = "9"
    & skf18("10","9","7","4","6","8","1") = "9"
    & skf18("10","9","7","4","6","9","1") = "9"
    & skf18("10","9","7","4","6","10","1") = "9"
    & skf18("10","9","7","4","7","1","1") = "9"
    & skf18("10","9","7","4","7","2","1") = "9"
    & skf18("10","9","7","4","7","3","1") = "9"
    & skf18("10","9","7","4","7","4","1") = "9"
    & skf18("10","9","7","4","7","5","1") = "9"
    & skf18("10","9","7","4","7","6","1") = "9"
    & skf18("10","9","7","4","7","7","1") = "9"
    & skf18("10","9","7","4","7","8","1") = "9"
    & skf18("10","9","7","4","7","9","1") = "9"
    & skf18("10","9","7","4","7","10","1") = "9"
    & skf18("10","9","7","4","8","1","1") = "9"
    & skf18("10","9","7","4","8","2","1") = "9"
    & skf18("10","9","7","4","8","3","1") = "9"
    & skf18("10","9","7","4","8","4","1") = "9"
    & skf18("10","9","7","4","8","5","1") = "9"
    & skf18("10","9","7","4","8","6","1") = "9"
    & skf18("10","9","7","4","8","7","1") = "9"
    & skf18("10","9","7","4","8","8","1") = "9"
    & skf18("10","9","7","4","8","9","1") = "9"
    & skf18("10","9","7","4","8","10","1") = "9"
    & skf18("10","9","7","4","9","1","1") = "9"
    & skf18("10","9","7","4","9","2","1") = "9"
    & skf18("10","9","7","4","9","3","1") = "9"
    & skf18("10","9","7","4","9","4","1") = "9"
    & skf18("10","9","7","4","9","5","1") = "9"
    & skf18("10","9","7","4","9","6","1") = "9"
    & skf18("10","9","7","4","9","7","1") = "9"
    & skf18("10","9","7","4","9","8","1") = "9"
    & skf18("10","9","7","4","9","9","1") = "9"
    & skf18("10","9","7","4","9","10","1") = "9"
    & skf18("10","9","7","4","10","1","1") = "9"
    & skf18("10","9","7","4","10","2","1") = "9"
    & skf18("10","9","7","4","10","3","1") = "9"
    & skf18("10","9","7","4","10","4","1") = "9"
    & skf18("10","9","7","4","10","5","1") = "9"
    & skf18("10","9","7","4","10","6","1") = "9"
    & skf18("10","9","7","4","10","7","1") = "9"
    & skf18("10","9","7","4","10","8","1") = "9"
    & skf18("10","9","7","4","10","9","1") = "9"
    & skf18("10","9","7","4","10","10","1") = "9"
    & skf18("10","9","7","5","1","1","1") = "9"
    & skf18("10","9","7","5","1","2","1") = "9"
    & skf18("10","9","7","5","1","3","1") = "9"
    & skf18("10","9","7","5","1","4","1") = "9"
    & skf18("10","9","7","5","1","5","1") = "9"
    & skf18("10","9","7","5","1","6","1") = "9"
    & skf18("10","9","7","5","1","7","1") = "9"
    & skf18("10","9","7","5","1","8","1") = "9"
    & skf18("10","9","7","5","1","9","1") = "9"
    & skf18("10","9","7","5","1","10","1") = "9"
    & skf18("10","9","7","5","2","1","1") = "9"
    & skf18("10","9","7","5","2","2","1") = "9"
    & skf18("10","9","7","5","2","3","1") = "9"
    & skf18("10","9","7","5","2","4","1") = "9"
    & skf18("10","9","7","5","2","5","1") = "9"
    & skf18("10","9","7","5","2","6","1") = "9"
    & skf18("10","9","7","5","2","7","1") = "9"
    & skf18("10","9","7","5","2","8","1") = "9"
    & skf18("10","9","7","5","2","9","1") = "9"
    & skf18("10","9","7","5","2","10","1") = "9"
    & skf18("10","9","7","5","3","1","1") = "9"
    & skf18("10","9","7","5","3","2","1") = "9"
    & skf18("10","9","7","5","3","3","1") = "9"
    & skf18("10","9","7","5","3","4","1") = "9"
    & skf18("10","9","7","5","3","5","1") = "9"
    & skf18("10","9","7","5","3","6","1") = "9"
    & skf18("10","9","7","5","3","7","1") = "9"
    & skf18("10","9","7","5","3","8","1") = "9"
    & skf18("10","9","7","5","3","9","1") = "9"
    & skf18("10","9","7","5","3","10","1") = "9"
    & skf18("10","9","7","5","4","1","1") = "9"
    & skf18("10","9","7","5","4","2","1") = "9"
    & skf18("10","9","7","5","4","3","1") = "9"
    & skf18("10","9","7","5","4","4","1") = "9"
    & skf18("10","9","7","5","4","5","1") = "9"
    & skf18("10","9","7","5","4","6","1") = "9"
    & skf18("10","9","7","5","4","7","1") = "9"
    & skf18("10","9","7","5","4","8","1") = "9"
    & skf18("10","9","7","5","4","9","1") = "9"
    & skf18("10","9","7","5","4","10","1") = "9"
    & skf18("10","9","7","5","5","1","1") = "9"
    & skf18("10","9","7","5","5","2","1") = "9"
    & skf18("10","9","7","5","5","3","1") = "9"
    & skf18("10","9","7","5","5","4","1") = "9"
    & skf18("10","9","7","5","5","5","1") = "9"
    & skf18("10","9","7","5","5","6","1") = "9"
    & skf18("10","9","7","5","5","7","1") = "9"
    & skf18("10","9","7","5","5","8","1") = "9"
    & skf18("10","9","7","5","5","9","1") = "9"
    & skf18("10","9","7","5","5","10","1") = "9"
    & skf18("10","9","7","5","6","1","1") = "9"
    & skf18("10","9","7","5","6","2","1") = "9"
    & skf18("10","9","7","5","6","3","1") = "9"
    & skf18("10","9","7","5","6","4","1") = "9"
    & skf18("10","9","7","5","6","5","1") = "9"
    & skf18("10","9","7","5","6","6","1") = "9"
    & skf18("10","9","7","5","6","7","1") = "9"
    & skf18("10","9","7","5","6","8","1") = "9"
    & skf18("10","9","7","5","6","9","1") = "9"
    & skf18("10","9","7","5","6","10","1") = "9"
    & skf18("10","9","7","5","7","1","1") = "9"
    & skf18("10","9","7","5","7","2","1") = "9"
    & skf18("10","9","7","5","7","3","1") = "9"
    & skf18("10","9","7","5","7","4","1") = "9"
    & skf18("10","9","7","5","7","5","1") = "9"
    & skf18("10","9","7","5","7","6","1") = "9"
    & skf18("10","9","7","5","7","7","1") = "9"
    & skf18("10","9","7","5","7","8","1") = "9"
    & skf18("10","9","7","5","7","9","1") = "9"
    & skf18("10","9","7","5","7","10","1") = "9"
    & skf18("10","9","7","5","8","1","1") = "9"
    & skf18("10","9","7","5","8","2","1") = "9"
    & skf18("10","9","7","5","8","3","1") = "9"
    & skf18("10","9","7","5","8","4","1") = "9"
    & skf18("10","9","7","5","8","5","1") = "9"
    & skf18("10","9","7","5","8","6","1") = "9"
    & skf18("10","9","7","5","8","7","1") = "9"
    & skf18("10","9","7","5","8","8","1") = "9"
    & skf18("10","9","7","5","8","9","1") = "9"
    & skf18("10","9","7","5","8","10","1") = "9"
    & skf18("10","9","7","5","9","1","1") = "9"
    & skf18("10","9","7","5","9","2","1") = "9"
    & skf18("10","9","7","5","9","3","1") = "9"
    & skf18("10","9","7","5","9","4","1") = "9"
    & skf18("10","9","7","5","9","5","1") = "9"
    & skf18("10","9","7","5","9","6","1") = "9"
    & skf18("10","9","7","5","9","7","1") = "9"
    & skf18("10","9","7","5","9","8","1") = "9"
    & skf18("10","9","7","5","9","9","1") = "9"
    & skf18("10","9","7","5","9","10","1") = "9"
    & skf18("10","9","7","5","10","1","1") = "9"
    & skf18("10","9","7","5","10","2","1") = "9"
    & skf18("10","9","7","5","10","3","1") = "9"
    & skf18("10","9","7","5","10","4","1") = "9"
    & skf18("10","9","7","5","10","5","1") = "9"
    & skf18("10","9","7","5","10","6","1") = "9"
    & skf18("10","9","7","5","10","7","1") = "9"
    & skf18("10","9","7","5","10","8","1") = "9"
    & skf18("10","9","7","5","10","9","1") = "9"
    & skf18("10","9","7","5","10","10","1") = "9"
    & skf18("10","9","7","6","1","1","1") = "9"
    & skf18("10","9","7","6","1","2","1") = "9"
    & skf18("10","9","7","6","1","3","1") = "9"
    & skf18("10","9","7","6","1","4","1") = "9"
    & skf18("10","9","7","6","1","5","1") = "9"
    & skf18("10","9","7","6","1","6","1") = "9"
    & skf18("10","9","7","6","1","7","1") = "9"
    & skf18("10","9","7","6","1","8","1") = "9"
    & skf18("10","9","7","6","1","9","1") = "9"
    & skf18("10","9","7","6","1","10","1") = "9"
    & skf18("10","9","7","6","2","1","1") = "9"
    & skf18("10","9","7","6","2","2","1") = "9"
    & skf18("10","9","7","6","2","3","1") = "9"
    & skf18("10","9","7","6","2","4","1") = "9"
    & skf18("10","9","7","6","2","5","1") = "9"
    & skf18("10","9","7","6","2","6","1") = "9"
    & skf18("10","9","7","6","2","7","1") = "9"
    & skf18("10","9","7","6","2","8","1") = "9"
    & skf18("10","9","7","6","2","9","1") = "9"
    & skf18("10","9","7","6","2","10","1") = "9"
    & skf18("10","9","7","6","3","1","1") = "9"
    & skf18("10","9","7","6","3","2","1") = "9"
    & skf18("10","9","7","6","3","3","1") = "9"
    & skf18("10","9","7","6","3","4","1") = "9"
    & skf18("10","9","7","6","3","5","1") = "9"
    & skf18("10","9","7","6","3","6","1") = "9"
    & skf18("10","9","7","6","3","7","1") = "9"
    & skf18("10","9","7","6","3","8","1") = "9"
    & skf18("10","9","7","6","3","9","1") = "9"
    & skf18("10","9","7","6","3","10","1") = "9"
    & skf18("10","9","7","6","4","1","1") = "9"
    & skf18("10","9","7","6","4","2","1") = "9"
    & skf18("10","9","7","6","4","3","1") = "9"
    & skf18("10","9","7","6","4","4","1") = "9"
    & skf18("10","9","7","6","4","5","1") = "9"
    & skf18("10","9","7","6","4","6","1") = "9"
    & skf18("10","9","7","6","4","7","1") = "9"
    & skf18("10","9","7","6","4","8","1") = "9"
    & skf18("10","9","7","6","4","9","1") = "9"
    & skf18("10","9","7","6","4","10","1") = "9"
    & skf18("10","9","7","6","5","1","1") = "9"
    & skf18("10","9","7","6","5","2","1") = "9"
    & skf18("10","9","7","6","5","3","1") = "9"
    & skf18("10","9","7","6","5","4","1") = "9"
    & skf18("10","9","7","6","5","5","1") = "9"
    & skf18("10","9","7","6","5","6","1") = "9"
    & skf18("10","9","7","6","5","7","1") = "9"
    & skf18("10","9","7","6","5","8","1") = "9"
    & skf18("10","9","7","6","5","9","1") = "9"
    & skf18("10","9","7","6","5","10","1") = "9"
    & skf18("10","9","7","6","6","1","1") = "9"
    & skf18("10","9","7","6","6","2","1") = "9"
    & skf18("10","9","7","6","6","3","1") = "9"
    & skf18("10","9","7","6","6","4","1") = "9"
    & skf18("10","9","7","6","6","5","1") = "9"
    & skf18("10","9","7","6","6","6","1") = "9"
    & skf18("10","9","7","6","6","7","1") = "9"
    & skf18("10","9","7","6","6","8","1") = "9"
    & skf18("10","9","7","6","6","9","1") = "9"
    & skf18("10","9","7","6","6","10","1") = "9"
    & skf18("10","9","7","6","7","1","1") = "9"
    & skf18("10","9","7","6","7","2","1") = "9"
    & skf18("10","9","7","6","7","3","1") = "9"
    & skf18("10","9","7","6","7","4","1") = "9"
    & skf18("10","9","7","6","7","5","1") = "9"
    & skf18("10","9","7","6","7","6","1") = "9"
    & skf18("10","9","7","6","7","7","1") = "9"
    & skf18("10","9","7","6","7","8","1") = "9"
    & skf18("10","9","7","6","7","9","1") = "9"
    & skf18("10","9","7","6","7","10","1") = "9"
    & skf18("10","9","7","6","8","1","1") = "9"
    & skf18("10","9","7","6","8","2","1") = "9"
    & skf18("10","9","7","6","8","3","1") = "9"
    & skf18("10","9","7","6","8","4","1") = "9"
    & skf18("10","9","7","6","8","5","1") = "9"
    & skf18("10","9","7","6","8","6","1") = "9"
    & skf18("10","9","7","6","8","7","1") = "9"
    & skf18("10","9","7","6","8","8","1") = "9"
    & skf18("10","9","7","6","8","9","1") = "9"
    & skf18("10","9","7","6","8","10","1") = "9"
    & skf18("10","9","7","6","9","1","1") = "9"
    & skf18("10","9","7","6","9","2","1") = "9"
    & skf18("10","9","7","6","9","3","1") = "9"
    & skf18("10","9","7","6","9","4","1") = "9"
    & skf18("10","9","7","6","9","5","1") = "9"
    & skf18("10","9","7","6","9","6","1") = "9"
    & skf18("10","9","7","6","9","7","1") = "9"
    & skf18("10","9","7","6","9","8","1") = "9"
    & skf18("10","9","7","6","9","9","1") = "9"
    & skf18("10","9","7","6","9","10","1") = "9"
    & skf18("10","9","7","6","10","1","1") = "9"
    & skf18("10","9","7","6","10","2","1") = "9"
    & skf18("10","9","7","6","10","3","1") = "9"
    & skf18("10","9","7","6","10","4","1") = "9"
    & skf18("10","9","7","6","10","5","1") = "9"
    & skf18("10","9","7","6","10","6","1") = "9"
    & skf18("10","9","7","6","10","7","1") = "9"
    & skf18("10","9","7","6","10","8","1") = "9"
    & skf18("10","9","7","6","10","9","1") = "9"
    & skf18("10","9","7","6","10","10","1") = "9"
    & skf18("10","9","7","7","1","1","1") = "9"
    & skf18("10","9","7","7","1","2","1") = "9"
    & skf18("10","9","7","7","1","3","1") = "9"
    & skf18("10","9","7","7","1","4","1") = "9"
    & skf18("10","9","7","7","1","5","1") = "9"
    & skf18("10","9","7","7","1","6","1") = "9"
    & skf18("10","9","7","7","1","7","1") = "9"
    & skf18("10","9","7","7","1","8","1") = "9"
    & skf18("10","9","7","7","1","9","1") = "9"
    & skf18("10","9","7","7","1","10","1") = "9"
    & skf18("10","9","7","7","2","1","1") = "9"
    & skf18("10","9","7","7","2","2","1") = "9"
    & skf18("10","9","7","7","2","3","1") = "9"
    & skf18("10","9","7","7","2","4","1") = "9"
    & skf18("10","9","7","7","2","5","1") = "9"
    & skf18("10","9","7","7","2","6","1") = "9"
    & skf18("10","9","7","7","2","7","1") = "9"
    & skf18("10","9","7","7","2","8","1") = "9"
    & skf18("10","9","7","7","2","9","1") = "9"
    & skf18("10","9","7","7","2","10","1") = "9"
    & skf18("10","9","7","7","3","1","1") = "9"
    & skf18("10","9","7","7","3","2","1") = "9"
    & skf18("10","9","7","7","3","3","1") = "9"
    & skf18("10","9","7","7","3","4","1") = "9"
    & skf18("10","9","7","7","3","5","1") = "9"
    & skf18("10","9","7","7","3","6","1") = "9"
    & skf18("10","9","7","7","3","7","1") = "9"
    & skf18("10","9","7","7","3","8","1") = "9"
    & skf18("10","9","7","7","3","9","1") = "9"
    & skf18("10","9","7","7","3","10","1") = "9"
    & skf18("10","9","7","7","4","1","1") = "9"
    & skf18("10","9","7","7","4","2","1") = "9"
    & skf18("10","9","7","7","4","3","1") = "9"
    & skf18("10","9","7","7","4","4","1") = "9"
    & skf18("10","9","7","7","4","5","1") = "9"
    & skf18("10","9","7","7","4","6","1") = "9"
    & skf18("10","9","7","7","4","7","1") = "9"
    & skf18("10","9","7","7","4","8","1") = "9"
    & skf18("10","9","7","7","4","9","1") = "9"
    & skf18("10","9","7","7","4","10","1") = "9"
    & skf18("10","9","7","7","5","1","1") = "9"
    & skf18("10","9","7","7","5","2","1") = "9"
    & skf18("10","9","7","7","5","3","1") = "9"
    & skf18("10","9","7","7","5","4","1") = "9"
    & skf18("10","9","7","7","5","5","1") = "9"
    & skf18("10","9","7","7","5","6","1") = "9"
    & skf18("10","9","7","7","5","7","1") = "9"
    & skf18("10","9","7","7","5","8","1") = "9"
    & skf18("10","9","7","7","5","9","1") = "9"
    & skf18("10","9","7","7","5","10","1") = "9"
    & skf18("10","9","7","7","6","1","1") = "9"
    & skf18("10","9","7","7","6","2","1") = "9"
    & skf18("10","9","7","7","6","3","1") = "9"
    & skf18("10","9","7","7","6","4","1") = "9"
    & skf18("10","9","7","7","6","5","1") = "9"
    & skf18("10","9","7","7","6","6","1") = "9"
    & skf18("10","9","7","7","6","7","1") = "9"
    & skf18("10","9","7","7","6","8","1") = "9"
    & skf18("10","9","7","7","6","9","1") = "9"
    & skf18("10","9","7","7","6","10","1") = "9"
    & skf18("10","9","7","7","7","1","1") = "9"
    & skf18("10","9","7","7","7","2","1") = "9"
    & skf18("10","9","7","7","7","3","1") = "9"
    & skf18("10","9","7","7","7","4","1") = "9"
    & skf18("10","9","7","7","7","5","1") = "9"
    & skf18("10","9","7","7","7","6","1") = "9"
    & skf18("10","9","7","7","7","7","1") = "9"
    & skf18("10","9","7","7","7","8","1") = "9"
    & skf18("10","9","7","7","7","9","1") = "9"
    & skf18("10","9","7","7","7","10","1") = "9"
    & skf18("10","9","7","7","8","1","1") = "9"
    & skf18("10","9","7","7","8","2","1") = "9"
    & skf18("10","9","7","7","8","3","1") = "9"
    & skf18("10","9","7","7","8","4","1") = "9"
    & skf18("10","9","7","7","8","5","1") = "9"
    & skf18("10","9","7","7","8","6","1") = "9"
    & skf18("10","9","7","7","8","7","1") = "9"
    & skf18("10","9","7","7","8","8","1") = "9"
    & skf18("10","9","7","7","8","9","1") = "9"
    & skf18("10","9","7","7","8","10","1") = "9"
    & skf18("10","9","7","7","9","1","1") = "9"
    & skf18("10","9","7","7","9","2","1") = "9"
    & skf18("10","9","7","7","9","3","1") = "9"
    & skf18("10","9","7","7","9","4","1") = "9"
    & skf18("10","9","7","7","9","5","1") = "9"
    & skf18("10","9","7","7","9","6","1") = "9"
    & skf18("10","9","7","7","9","7","1") = "9"
    & skf18("10","9","7","7","9","8","1") = "9"
    & skf18("10","9","7","7","9","9","1") = "9"
    & skf18("10","9","7","7","9","10","1") = "9"
    & skf18("10","9","7","7","10","1","1") = "9"
    & skf18("10","9","7","7","10","2","1") = "9"
    & skf18("10","9","7","7","10","3","1") = "9"
    & skf18("10","9","7","7","10","4","1") = "9"
    & skf18("10","9","7","7","10","5","1") = "9"
    & skf18("10","9","7","7","10","6","1") = "9"
    & skf18("10","9","7","7","10","7","1") = "9"
    & skf18("10","9","7","7","10","8","1") = "9"
    & skf18("10","9","7","7","10","9","1") = "9"
    & skf18("10","9","7","7","10","10","1") = "9"
    & skf18("10","9","7","8","1","1","1") = "9"
    & skf18("10","9","7","8","1","2","1") = "9"
    & skf18("10","9","7","8","1","3","1") = "9"
    & skf18("10","9","7","8","1","4","1") = "9"
    & skf18("10","9","7","8","1","5","1") = "9"
    & skf18("10","9","7","8","1","6","1") = "9"
    & skf18("10","9","7","8","1","7","1") = "9"
    & skf18("10","9","7","8","1","8","1") = "9"
    & skf18("10","9","7","8","1","9","1") = "9"
    & skf18("10","9","7","8","1","10","1") = "9"
    & skf18("10","9","7","8","2","1","1") = "9"
    & skf18("10","9","7","8","2","2","1") = "9"
    & skf18("10","9","7","8","2","3","1") = "9"
    & skf18("10","9","7","8","2","4","1") = "9"
    & skf18("10","9","7","8","2","5","1") = "9"
    & skf18("10","9","7","8","2","6","1") = "9"
    & skf18("10","9","7","8","2","7","1") = "9"
    & skf18("10","9","7","8","2","8","1") = "9"
    & skf18("10","9","7","8","2","9","1") = "9"
    & skf18("10","9","7","8","2","10","1") = "9"
    & skf18("10","9","7","8","3","1","1") = "9"
    & skf18("10","9","7","8","3","2","1") = "9"
    & skf18("10","9","7","8","3","3","1") = "9"
    & skf18("10","9","7","8","3","4","1") = "9"
    & skf18("10","9","7","8","3","5","1") = "9"
    & skf18("10","9","7","8","3","6","1") = "9"
    & skf18("10","9","7","8","3","7","1") = "9"
    & skf18("10","9","7","8","3","8","1") = "9"
    & skf18("10","9","7","8","3","9","1") = "9"
    & skf18("10","9","7","8","3","10","1") = "9"
    & skf18("10","9","7","8","4","1","1") = "9"
    & skf18("10","9","7","8","4","2","1") = "9"
    & skf18("10","9","7","8","4","3","1") = "9"
    & skf18("10","9","7","8","4","4","1") = "9"
    & skf18("10","9","7","8","4","5","1") = "9"
    & skf18("10","9","7","8","4","6","1") = "9"
    & skf18("10","9","7","8","4","7","1") = "9"
    & skf18("10","9","7","8","4","8","1") = "9"
    & skf18("10","9","7","8","4","9","1") = "9"
    & skf18("10","9","7","8","4","10","1") = "9"
    & skf18("10","9","7","8","5","1","1") = "9"
    & skf18("10","9","7","8","5","2","1") = "9"
    & skf18("10","9","7","8","5","3","1") = "9"
    & skf18("10","9","7","8","5","4","1") = "9"
    & skf18("10","9","7","8","5","5","1") = "9"
    & skf18("10","9","7","8","5","6","1") = "9"
    & skf18("10","9","7","8","5","7","1") = "9"
    & skf18("10","9","7","8","5","8","1") = "9"
    & skf18("10","9","7","8","5","9","1") = "9"
    & skf18("10","9","7","8","5","10","1") = "9"
    & skf18("10","9","7","8","6","1","1") = "9"
    & skf18("10","9","7","8","6","2","1") = "9"
    & skf18("10","9","7","8","6","3","1") = "9"
    & skf18("10","9","7","8","6","4","1") = "9"
    & skf18("10","9","7","8","6","5","1") = "9"
    & skf18("10","9","7","8","6","6","1") = "9"
    & skf18("10","9","7","8","6","7","1") = "9"
    & skf18("10","9","7","8","6","8","1") = "9"
    & skf18("10","9","7","8","6","9","1") = "9"
    & skf18("10","9","7","8","6","10","1") = "9"
    & skf18("10","9","7","8","7","1","1") = "9"
    & skf18("10","9","7","8","7","2","1") = "9"
    & skf18("10","9","7","8","7","3","1") = "9"
    & skf18("10","9","7","8","7","4","1") = "9"
    & skf18("10","9","7","8","7","5","1") = "9"
    & skf18("10","9","7","8","7","6","1") = "9"
    & skf18("10","9","7","8","7","7","1") = "9"
    & skf18("10","9","7","8","7","8","1") = "9"
    & skf18("10","9","7","8","7","9","1") = "9"
    & skf18("10","9","7","8","7","10","1") = "9"
    & skf18("10","9","7","8","8","1","1") = "9"
    & skf18("10","9","7","8","8","2","1") = "9"
    & skf18("10","9","7","8","8","3","1") = "9"
    & skf18("10","9","7","8","8","4","1") = "9"
    & skf18("10","9","7","8","8","5","1") = "9"
    & skf18("10","9","7","8","8","6","1") = "9"
    & skf18("10","9","7","8","8","7","1") = "9"
    & skf18("10","9","7","8","8","8","1") = "9"
    & skf18("10","9","7","8","8","9","1") = "9"
    & skf18("10","9","7","8","8","10","1") = "9"
    & skf18("10","9","7","8","9","1","1") = "9"
    & skf18("10","9","7","8","9","2","1") = "9"
    & skf18("10","9","7","8","9","3","1") = "9"
    & skf18("10","9","7","8","9","4","1") = "9"
    & skf18("10","9","7","8","9","5","1") = "9"
    & skf18("10","9","7","8","9","6","1") = "9"
    & skf18("10","9","7","8","9","7","1") = "9"
    & skf18("10","9","7","8","9","8","1") = "9"
    & skf18("10","9","7","8","9","9","1") = "9"
    & skf18("10","9","7","8","9","10","1") = "9"
    & skf18("10","9","7","8","10","1","1") = "9"
    & skf18("10","9","7","8","10","2","1") = "9"
    & skf18("10","9","7","8","10","3","1") = "9"
    & skf18("10","9","7","8","10","4","1") = "9"
    & skf18("10","9","7","8","10","5","1") = "9"
    & skf18("10","9","7","8","10","6","1") = "9"
    & skf18("10","9","7","8","10","7","1") = "9"
    & skf18("10","9","7","8","10","8","1") = "9"
    & skf18("10","9","7","8","10","9","1") = "9"
    & skf18("10","9","7","8","10","10","1") = "9"
    & skf18("10","9","7","9","1","1","1") = "9"
    & skf18("10","9","7","9","1","2","1") = "9"
    & skf18("10","9","7","9","1","3","1") = "9"
    & skf18("10","9","7","9","1","4","1") = "9"
    & skf18("10","9","7","9","1","5","1") = "9"
    & skf18("10","9","7","9","1","6","1") = "9"
    & skf18("10","9","7","9","1","7","1") = "9"
    & skf18("10","9","7","9","1","8","1") = "9"
    & skf18("10","9","7","9","1","9","1") = "9"
    & skf18("10","9","7","9","1","10","1") = "9"
    & skf18("10","9","7","9","2","1","1") = "9"
    & skf18("10","9","7","9","2","2","1") = "9"
    & skf18("10","9","7","9","2","3","1") = "9"
    & skf18("10","9","7","9","2","4","1") = "9"
    & skf18("10","9","7","9","2","5","1") = "9"
    & skf18("10","9","7","9","2","6","1") = "9"
    & skf18("10","9","7","9","2","7","1") = "9"
    & skf18("10","9","7","9","2","8","1") = "9"
    & skf18("10","9","7","9","2","9","1") = "9"
    & skf18("10","9","7","9","2","10","1") = "9"
    & skf18("10","9","7","9","3","1","1") = "9"
    & skf18("10","9","7","9","3","2","1") = "9"
    & skf18("10","9","7","9","3","3","1") = "9"
    & skf18("10","9","7","9","3","4","1") = "9"
    & skf18("10","9","7","9","3","5","1") = "9"
    & skf18("10","9","7","9","3","6","1") = "9"
    & skf18("10","9","7","9","3","7","1") = "9"
    & skf18("10","9","7","9","3","8","1") = "9"
    & skf18("10","9","7","9","3","9","1") = "9"
    & skf18("10","9","7","9","3","10","1") = "9"
    & skf18("10","9","7","9","4","1","1") = "9"
    & skf18("10","9","7","9","4","2","1") = "9"
    & skf18("10","9","7","9","4","3","1") = "9"
    & skf18("10","9","7","9","4","4","1") = "9"
    & skf18("10","9","7","9","4","5","1") = "9"
    & skf18("10","9","7","9","4","6","1") = "9"
    & skf18("10","9","7","9","4","7","1") = "9"
    & skf18("10","9","7","9","4","8","1") = "9"
    & skf18("10","9","7","9","4","9","1") = "9"
    & skf18("10","9","7","9","4","10","1") = "9"
    & skf18("10","9","7","9","5","1","1") = "9"
    & skf18("10","9","7","9","5","2","1") = "9"
    & skf18("10","9","7","9","5","3","1") = "9"
    & skf18("10","9","7","9","5","4","1") = "9"
    & skf18("10","9","7","9","5","5","1") = "9"
    & skf18("10","9","7","9","5","6","1") = "9"
    & skf18("10","9","7","9","5","7","1") = "9"
    & skf18("10","9","7","9","5","8","1") = "9"
    & skf18("10","9","7","9","5","9","1") = "9"
    & skf18("10","9","7","9","5","10","1") = "9"
    & skf18("10","9","7","9","6","1","1") = "9"
    & skf18("10","9","7","9","6","2","1") = "9"
    & skf18("10","9","7","9","6","3","1") = "9"
    & skf18("10","9","7","9","6","4","1") = "9"
    & skf18("10","9","7","9","6","5","1") = "9"
    & skf18("10","9","7","9","6","6","1") = "9"
    & skf18("10","9","7","9","6","7","1") = "9"
    & skf18("10","9","7","9","6","8","1") = "9"
    & skf18("10","9","7","9","6","9","1") = "9"
    & skf18("10","9","7","9","6","10","1") = "9"
    & skf18("10","9","7","9","7","1","1") = "9"
    & skf18("10","9","7","9","7","2","1") = "9"
    & skf18("10","9","7","9","7","3","1") = "9"
    & skf18("10","9","7","9","7","4","1") = "9"
    & skf18("10","9","7","9","7","5","1") = "9"
    & skf18("10","9","7","9","7","6","1") = "9"
    & skf18("10","9","7","9","7","7","1") = "9"
    & skf18("10","9","7","9","7","8","1") = "9"
    & skf18("10","9","7","9","7","9","1") = "9"
    & skf18("10","9","7","9","7","10","1") = "9"
    & skf18("10","9","7","9","8","1","1") = "9"
    & skf18("10","9","7","9","8","2","1") = "9"
    & skf18("10","9","7","9","8","3","1") = "9"
    & skf18("10","9","7","9","8","4","1") = "9"
    & skf18("10","9","7","9","8","5","1") = "9"
    & skf18("10","9","7","9","8","6","1") = "9"
    & skf18("10","9","7","9","8","7","1") = "9"
    & skf18("10","9","7","9","8","8","1") = "9"
    & skf18("10","9","7","9","8","9","1") = "9"
    & skf18("10","9","7","9","8","10","1") = "9"
    & skf18("10","9","7","9","9","1","1") = "9"
    & skf18("10","9","7","9","9","2","1") = "9"
    & skf18("10","9","7","9","9","3","1") = "9"
    & skf18("10","9","7","9","9","4","1") = "9"
    & skf18("10","9","7","9","9","5","1") = "9"
    & skf18("10","9","7","9","9","6","1") = "9"
    & skf18("10","9","7","9","9","7","1") = "9"
    & skf18("10","9","7","9","9","8","1") = "9"
    & skf18("10","9","7","9","9","9","1") = "9"
    & skf18("10","9","7","9","9","10","1") = "9"
    & skf18("10","9","7","9","10","1","1") = "9"
    & skf18("10","9","7","9","10","2","1") = "9"
    & skf18("10","9","7","9","10","3","1") = "9"
    & skf18("10","9","7","9","10","4","1") = "9"
    & skf18("10","9","7","9","10","5","1") = "9"
    & skf18("10","9","7","9","10","6","1") = "9"
    & skf18("10","9","7","9","10","7","1") = "9"
    & skf18("10","9","7","9","10","8","1") = "9"
    & skf18("10","9","7","9","10","9","1") = "9"
    & skf18("10","9","7","9","10","10","1") = "9"
    & skf18("10","9","7","10","1","1","1") = "9"
    & skf18("10","9","7","10","1","2","1") = "9"
    & skf18("10","9","7","10","1","3","1") = "9"
    & skf18("10","9","7","10","1","4","1") = "9"
    & skf18("10","9","7","10","1","5","1") = "9"
    & skf18("10","9","7","10","1","6","1") = "9"
    & skf18("10","9","7","10","1","7","1") = "9"
    & skf18("10","9","7","10","1","8","1") = "9"
    & skf18("10","9","7","10","1","9","1") = "9"
    & skf18("10","9","7","10","1","10","1") = "9"
    & skf18("10","9","7","10","2","1","1") = "9"
    & skf18("10","9","7","10","2","2","1") = "9"
    & skf18("10","9","7","10","2","3","1") = "9"
    & skf18("10","9","7","10","2","4","1") = "9"
    & skf18("10","9","7","10","2","5","1") = "9"
    & skf18("10","9","7","10","2","6","1") = "9"
    & skf18("10","9","7","10","2","7","1") = "9"
    & skf18("10","9","7","10","2","8","1") = "9"
    & skf18("10","9","7","10","2","9","1") = "9"
    & skf18("10","9","7","10","2","10","1") = "9"
    & skf18("10","9","7","10","3","1","1") = "9"
    & skf18("10","9","7","10","3","2","1") = "9"
    & skf18("10","9","7","10","3","3","1") = "9"
    & skf18("10","9","7","10","3","4","1") = "9"
    & skf18("10","9","7","10","3","5","1") = "9"
    & skf18("10","9","7","10","3","6","1") = "9"
    & skf18("10","9","7","10","3","7","1") = "9"
    & skf18("10","9","7","10","3","8","1") = "9"
    & skf18("10","9","7","10","3","9","1") = "9"
    & skf18("10","9","7","10","3","10","1") = "9"
    & skf18("10","9","7","10","4","1","1") = "9"
    & skf18("10","9","7","10","4","2","1") = "9"
    & skf18("10","9","7","10","4","3","1") = "9"
    & skf18("10","9","7","10","4","4","1") = "9"
    & skf18("10","9","7","10","4","5","1") = "9"
    & skf18("10","9","7","10","4","6","1") = "9"
    & skf18("10","9","7","10","4","7","1") = "9"
    & skf18("10","9","7","10","4","8","1") = "9"
    & skf18("10","9","7","10","4","9","1") = "9"
    & skf18("10","9","7","10","4","10","1") = "9"
    & skf18("10","9","7","10","5","1","1") = "9"
    & skf18("10","9","7","10","5","2","1") = "9"
    & skf18("10","9","7","10","5","3","1") = "9"
    & skf18("10","9","7","10","5","4","1") = "9"
    & skf18("10","9","7","10","5","5","1") = "9"
    & skf18("10","9","7","10","5","6","1") = "9"
    & skf18("10","9","7","10","5","7","1") = "9"
    & skf18("10","9","7","10","5","8","1") = "9"
    & skf18("10","9","7","10","5","9","1") = "9"
    & skf18("10","9","7","10","5","10","1") = "9"
    & skf18("10","9","7","10","6","1","1") = "9"
    & skf18("10","9","7","10","6","2","1") = "9"
    & skf18("10","9","7","10","6","3","1") = "9"
    & skf18("10","9","7","10","6","4","1") = "9"
    & skf18("10","9","7","10","6","5","1") = "9"
    & skf18("10","9","7","10","6","6","1") = "9"
    & skf18("10","9","7","10","6","7","1") = "9"
    & skf18("10","9","7","10","6","8","1") = "9"
    & skf18("10","9","7","10","6","9","1") = "9"
    & skf18("10","9","7","10","6","10","1") = "9"
    & skf18("10","9","7","10","7","1","1") = "9"
    & skf18("10","9","7","10","7","2","1") = "9"
    & skf18("10","9","7","10","7","3","1") = "9"
    & skf18("10","9","7","10","7","4","1") = "9"
    & skf18("10","9","7","10","7","5","1") = "9"
    & skf18("10","9","7","10","7","6","1") = "9"
    & skf18("10","9","7","10","7","7","1") = "9"
    & skf18("10","9","7","10","7","8","1") = "9"
    & skf18("10","9","7","10","7","9","1") = "9"
    & skf18("10","9","7","10","7","10","1") = "9"
    & skf18("10","9","7","10","8","1","1") = "9"
    & skf18("10","9","7","10","8","2","1") = "9"
    & skf18("10","9","7","10","8","3","1") = "9"
    & skf18("10","9","7","10","8","4","1") = "9"
    & skf18("10","9","7","10","8","5","1") = "9"
    & skf18("10","9","7","10","8","6","1") = "9"
    & skf18("10","9","7","10","8","7","1") = "9"
    & skf18("10","9","7","10","8","8","1") = "9"
    & skf18("10","9","7","10","8","9","1") = "9"
    & skf18("10","9","7","10","8","10","1") = "9"
    & skf18("10","9","7","10","9","1","1") = "9"
    & skf18("10","9","7","10","9","2","1") = "9"
    & skf18("10","9","7","10","9","3","1") = "9"
    & skf18("10","9","7","10","9","4","1") = "9"
    & skf18("10","9","7","10","9","5","1") = "9"
    & skf18("10","9","7","10","9","6","1") = "9"
    & skf18("10","9","7","10","9","7","1") = "9"
    & skf18("10","9","7","10","9","8","1") = "9"
    & skf18("10","9","7","10","9","9","1") = "9"
    & skf18("10","9","7","10","9","10","1") = "9"
    & skf18("10","9","7","10","10","1","1") = "9"
    & skf18("10","9","7","10","10","2","1") = "9"
    & skf18("10","9","7","10","10","3","1") = "9"
    & skf18("10","9","7","10","10","4","1") = "9"
    & skf18("10","9","7","10","10","5","1") = "9"
    & skf18("10","9","7","10","10","6","1") = "9"
    & skf18("10","9","7","10","10","7","1") = "9"
    & skf18("10","9","7","10","10","8","1") = "9"
    & skf18("10","9","7","10","10","9","1") = "9"
    & skf18("10","9","7","10","10","10","1") = "9"
    & skf18("10","9","8","1","1","1","1") = "9"
    & skf18("10","9","8","1","1","2","1") = "9"
    & skf18("10","9","8","1","1","3","1") = "9"
    & skf18("10","9","8","1","1","4","1") = "9"
    & skf18("10","9","8","1","1","5","1") = "9"
    & skf18("10","9","8","1","1","6","1") = "9"
    & skf18("10","9","8","1","1","7","1") = "9"
    & skf18("10","9","8","1","1","8","1") = "9"
    & skf18("10","9","8","1","1","9","1") = "9"
    & skf18("10","9","8","1","1","10","1") = "9"
    & skf18("10","9","8","1","2","1","1") = "9"
    & skf18("10","9","8","1","2","2","1") = "9"
    & skf18("10","9","8","1","2","3","1") = "9"
    & skf18("10","9","8","1","2","4","1") = "9"
    & skf18("10","9","8","1","2","5","1") = "9"
    & skf18("10","9","8","1","2","6","1") = "9"
    & skf18("10","9","8","1","2","7","1") = "9"
    & skf18("10","9","8","1","2","8","1") = "9"
    & skf18("10","9","8","1","2","9","1") = "9"
    & skf18("10","9","8","1","2","10","1") = "9"
    & skf18("10","9","8","1","3","1","1") = "9"
    & skf18("10","9","8","1","3","2","1") = "9"
    & skf18("10","9","8","1","3","3","1") = "9"
    & skf18("10","9","8","1","3","4","1") = "9"
    & skf18("10","9","8","1","3","5","1") = "9"
    & skf18("10","9","8","1","3","6","1") = "9"
    & skf18("10","9","8","1","3","7","1") = "9"
    & skf18("10","9","8","1","3","8","1") = "9"
    & skf18("10","9","8","1","3","9","1") = "9"
    & skf18("10","9","8","1","3","10","1") = "9"
    & skf18("10","9","8","1","4","1","1") = "9"
    & skf18("10","9","8","1","4","2","1") = "9"
    & skf18("10","9","8","1","4","3","1") = "9"
    & skf18("10","9","8","1","4","4","1") = "9"
    & skf18("10","9","8","1","4","5","1") = "9"
    & skf18("10","9","8","1","4","6","1") = "9"
    & skf18("10","9","8","1","4","7","1") = "9"
    & skf18("10","9","8","1","4","8","1") = "9"
    & skf18("10","9","8","1","4","9","1") = "9"
    & skf18("10","9","8","1","4","10","1") = "9"
    & skf18("10","9","8","1","5","1","1") = "9"
    & skf18("10","9","8","1","5","2","1") = "9"
    & skf18("10","9","8","1","5","3","1") = "9"
    & skf18("10","9","8","1","5","4","1") = "9"
    & skf18("10","9","8","1","5","5","1") = "9"
    & skf18("10","9","8","1","5","6","1") = "9"
    & skf18("10","9","8","1","5","7","1") = "9"
    & skf18("10","9","8","1","5","8","1") = "9"
    & skf18("10","9","8","1","5","9","1") = "9"
    & skf18("10","9","8","1","5","10","1") = "9"
    & skf18("10","9","8","1","6","1","1") = "9"
    & skf18("10","9","8","1","6","2","1") = "9"
    & skf18("10","9","8","1","6","3","1") = "9"
    & skf18("10","9","8","1","6","4","1") = "9"
    & skf18("10","9","8","1","6","5","1") = "9"
    & skf18("10","9","8","1","6","6","1") = "9"
    & skf18("10","9","8","1","6","7","1") = "9"
    & skf18("10","9","8","1","6","8","1") = "9"
    & skf18("10","9","8","1","6","9","1") = "9"
    & skf18("10","9","8","1","6","10","1") = "9"
    & skf18("10","9","8","1","7","1","1") = "9"
    & skf18("10","9","8","1","7","2","1") = "9"
    & skf18("10","9","8","1","7","3","1") = "9"
    & skf18("10","9","8","1","7","4","1") = "9"
    & skf18("10","9","8","1","7","5","1") = "9"
    & skf18("10","9","8","1","7","6","1") = "9"
    & skf18("10","9","8","1","7","7","1") = "9"
    & skf18("10","9","8","1","7","8","1") = "9"
    & skf18("10","9","8","1","7","9","1") = "9"
    & skf18("10","9","8","1","7","10","1") = "9"
    & skf18("10","9","8","1","8","1","1") = "9"
    & skf18("10","9","8","1","8","2","1") = "9"
    & skf18("10","9","8","1","8","3","1") = "9"
    & skf18("10","9","8","1","8","4","1") = "9"
    & skf18("10","9","8","1","8","5","1") = "9"
    & skf18("10","9","8","1","8","6","1") = "9"
    & skf18("10","9","8","1","8","7","1") = "9"
    & skf18("10","9","8","1","8","8","1") = "9"
    & skf18("10","9","8","1","8","9","1") = "9"
    & skf18("10","9","8","1","8","10","1") = "9"
    & skf18("10","9","8","1","9","1","1") = "9"
    & skf18("10","9","8","1","9","2","1") = "9"
    & skf18("10","9","8","1","9","3","1") = "9"
    & skf18("10","9","8","1","9","4","1") = "9"
    & skf18("10","9","8","1","9","5","1") = "9"
    & skf18("10","9","8","1","9","6","1") = "9"
    & skf18("10","9","8","1","9","7","1") = "9"
    & skf18("10","9","8","1","9","8","1") = "9"
    & skf18("10","9","8","1","9","9","1") = "9"
    & skf18("10","9","8","1","9","10","1") = "9"
    & skf18("10","9","8","1","10","1","1") = "9"
    & skf18("10","9","8","1","10","2","1") = "9"
    & skf18("10","9","8","1","10","3","1") = "9"
    & skf18("10","9","8","1","10","4","1") = "9"
    & skf18("10","9","8","1","10","5","1") = "9"
    & skf18("10","9","8","1","10","6","1") = "9"
    & skf18("10","9","8","1","10","7","1") = "9"
    & skf18("10","9","8","1","10","8","1") = "9"
    & skf18("10","9","8","1","10","9","1") = "9"
    & skf18("10","9","8","1","10","10","1") = "9"
    & skf18("10","9","8","2","1","1","1") = "9"
    & skf18("10","9","8","2","1","2","1") = "9"
    & skf18("10","9","8","2","1","3","1") = "9"
    & skf18("10","9","8","2","1","4","1") = "9"
    & skf18("10","9","8","2","1","5","1") = "9"
    & skf18("10","9","8","2","1","6","1") = "9"
    & skf18("10","9","8","2","1","7","1") = "9"
    & skf18("10","9","8","2","1","8","1") = "9"
    & skf18("10","9","8","2","1","9","1") = "9"
    & skf18("10","9","8","2","1","10","1") = "9"
    & skf18("10","9","8","2","2","1","1") = "9"
    & skf18("10","9","8","2","2","2","1") = "9"
    & skf18("10","9","8","2","2","3","1") = "9"
    & skf18("10","9","8","2","2","4","1") = "9"
    & skf18("10","9","8","2","2","5","1") = "9"
    & skf18("10","9","8","2","2","6","1") = "9"
    & skf18("10","9","8","2","2","7","1") = "9"
    & skf18("10","9","8","2","2","8","1") = "9"
    & skf18("10","9","8","2","2","9","1") = "9"
    & skf18("10","9","8","2","2","10","1") = "9"
    & skf18("10","9","8","2","3","1","1") = "9"
    & skf18("10","9","8","2","3","2","1") = "9"
    & skf18("10","9","8","2","3","3","1") = "9"
    & skf18("10","9","8","2","3","4","1") = "9"
    & skf18("10","9","8","2","3","5","1") = "9"
    & skf18("10","9","8","2","3","6","1") = "9"
    & skf18("10","9","8","2","3","7","1") = "9"
    & skf18("10","9","8","2","3","8","1") = "9"
    & skf18("10","9","8","2","3","9","1") = "9"
    & skf18("10","9","8","2","3","10","1") = "9"
    & skf18("10","9","8","2","4","1","1") = "9"
    & skf18("10","9","8","2","4","2","1") = "9"
    & skf18("10","9","8","2","4","3","1") = "9"
    & skf18("10","9","8","2","4","4","1") = "9"
    & skf18("10","9","8","2","4","5","1") = "9"
    & skf18("10","9","8","2","4","6","1") = "9"
    & skf18("10","9","8","2","4","7","1") = "9"
    & skf18("10","9","8","2","4","8","1") = "9"
    & skf18("10","9","8","2","4","9","1") = "9"
    & skf18("10","9","8","2","4","10","1") = "9"
    & skf18("10","9","8","2","5","1","1") = "9"
    & skf18("10","9","8","2","5","2","1") = "9"
    & skf18("10","9","8","2","5","3","1") = "9"
    & skf18("10","9","8","2","5","4","1") = "9"
    & skf18("10","9","8","2","5","5","1") = "9"
    & skf18("10","9","8","2","5","6","1") = "9"
    & skf18("10","9","8","2","5","7","1") = "9"
    & skf18("10","9","8","2","5","8","1") = "9"
    & skf18("10","9","8","2","5","9","1") = "9"
    & skf18("10","9","8","2","5","10","1") = "9"
    & skf18("10","9","8","2","6","1","1") = "9"
    & skf18("10","9","8","2","6","2","1") = "9"
    & skf18("10","9","8","2","6","3","1") = "9"
    & skf18("10","9","8","2","6","4","1") = "9"
    & skf18("10","9","8","2","6","5","1") = "9"
    & skf18("10","9","8","2","6","6","1") = "9"
    & skf18("10","9","8","2","6","7","1") = "9"
    & skf18("10","9","8","2","6","8","1") = "9"
    & skf18("10","9","8","2","6","9","1") = "9"
    & skf18("10","9","8","2","6","10","1") = "9"
    & skf18("10","9","8","2","7","1","1") = "9"
    & skf18("10","9","8","2","7","2","1") = "9"
    & skf18("10","9","8","2","7","3","1") = "9"
    & skf18("10","9","8","2","7","4","1") = "9"
    & skf18("10","9","8","2","7","5","1") = "9"
    & skf18("10","9","8","2","7","6","1") = "9"
    & skf18("10","9","8","2","7","7","1") = "9"
    & skf18("10","9","8","2","7","8","1") = "9"
    & skf18("10","9","8","2","7","9","1") = "9"
    & skf18("10","9","8","2","7","10","1") = "9"
    & skf18("10","9","8","2","8","1","1") = "9"
    & skf18("10","9","8","2","8","2","1") = "9"
    & skf18("10","9","8","2","8","3","1") = "9"
    & skf18("10","9","8","2","8","4","1") = "9"
    & skf18("10","9","8","2","8","5","1") = "9"
    & skf18("10","9","8","2","8","6","1") = "9"
    & skf18("10","9","8","2","8","7","1") = "9"
    & skf18("10","9","8","2","8","8","1") = "9"
    & skf18("10","9","8","2","8","9","1") = "9"
    & skf18("10","9","8","2","8","10","1") = "9"
    & skf18("10","9","8","2","9","1","1") = "9"
    & skf18("10","9","8","2","9","2","1") = "9"
    & skf18("10","9","8","2","9","3","1") = "9"
    & skf18("10","9","8","2","9","4","1") = "9"
    & skf18("10","9","8","2","9","5","1") = "9"
    & skf18("10","9","8","2","9","6","1") = "9"
    & skf18("10","9","8","2","9","7","1") = "9"
    & skf18("10","9","8","2","9","8","1") = "9"
    & skf18("10","9","8","2","9","9","1") = "9"
    & skf18("10","9","8","2","9","10","1") = "9"
    & skf18("10","9","8","2","10","1","1") = "9"
    & skf18("10","9","8","2","10","2","1") = "9"
    & skf18("10","9","8","2","10","3","1") = "9"
    & skf18("10","9","8","2","10","4","1") = "9"
    & skf18("10","9","8","2","10","5","1") = "9"
    & skf18("10","9","8","2","10","6","1") = "9"
    & skf18("10","9","8","2","10","7","1") = "9"
    & skf18("10","9","8","2","10","8","1") = "9"
    & skf18("10","9","8","2","10","9","1") = "9"
    & skf18("10","9","8","2","10","10","1") = "9"
    & skf18("10","9","8","3","1","1","1") = "9"
    & skf18("10","9","8","3","1","2","1") = "9"
    & skf18("10","9","8","3","1","3","1") = "9"
    & skf18("10","9","8","3","1","4","1") = "9"
    & skf18("10","9","8","3","1","5","1") = "9"
    & skf18("10","9","8","3","1","6","1") = "9"
    & skf18("10","9","8","3","1","7","1") = "9"
    & skf18("10","9","8","3","1","8","1") = "9"
    & skf18("10","9","8","3","1","9","1") = "9"
    & skf18("10","9","8","3","1","10","1") = "9"
    & skf18("10","9","8","3","2","1","1") = "9"
    & skf18("10","9","8","3","2","2","1") = "9"
    & skf18("10","9","8","3","2","3","1") = "9"
    & skf18("10","9","8","3","2","4","1") = "9"
    & skf18("10","9","8","3","2","5","1") = "9"
    & skf18("10","9","8","3","2","6","1") = "9"
    & skf18("10","9","8","3","2","7","1") = "9"
    & skf18("10","9","8","3","2","8","1") = "9"
    & skf18("10","9","8","3","2","9","1") = "9"
    & skf18("10","9","8","3","2","10","1") = "9"
    & skf18("10","9","8","3","3","1","1") = "9"
    & skf18("10","9","8","3","3","2","1") = "9"
    & skf18("10","9","8","3","3","3","1") = "9"
    & skf18("10","9","8","3","3","4","1") = "9"
    & skf18("10","9","8","3","3","5","1") = "9"
    & skf18("10","9","8","3","3","6","1") = "9"
    & skf18("10","9","8","3","3","7","1") = "9"
    & skf18("10","9","8","3","3","8","1") = "9"
    & skf18("10","9","8","3","3","9","1") = "9"
    & skf18("10","9","8","3","3","10","1") = "9"
    & skf18("10","9","8","3","4","1","1") = "9"
    & skf18("10","9","8","3","4","2","1") = "9"
    & skf18("10","9","8","3","4","3","1") = "9"
    & skf18("10","9","8","3","4","4","1") = "9"
    & skf18("10","9","8","3","4","5","1") = "9"
    & skf18("10","9","8","3","4","6","1") = "9"
    & skf18("10","9","8","3","4","7","1") = "9"
    & skf18("10","9","8","3","4","8","1") = "9"
    & skf18("10","9","8","3","4","9","1") = "9"
    & skf18("10","9","8","3","4","10","1") = "9"
    & skf18("10","9","8","3","5","1","1") = "9"
    & skf18("10","9","8","3","5","2","1") = "9"
    & skf18("10","9","8","3","5","3","1") = "9"
    & skf18("10","9","8","3","5","4","1") = "9"
    & skf18("10","9","8","3","5","5","1") = "9"
    & skf18("10","9","8","3","5","6","1") = "9"
    & skf18("10","9","8","3","5","7","1") = "9"
    & skf18("10","9","8","3","5","8","1") = "9"
    & skf18("10","9","8","3","5","9","1") = "9"
    & skf18("10","9","8","3","5","10","1") = "9"
    & skf18("10","9","8","3","6","1","1") = "9"
    & skf18("10","9","8","3","6","2","1") = "9"
    & skf18("10","9","8","3","6","3","1") = "9"
    & skf18("10","9","8","3","6","4","1") = "9"
    & skf18("10","9","8","3","6","5","1") = "9"
    & skf18("10","9","8","3","6","6","1") = "9"
    & skf18("10","9","8","3","6","7","1") = "9"
    & skf18("10","9","8","3","6","8","1") = "9"
    & skf18("10","9","8","3","6","9","1") = "9"
    & skf18("10","9","8","3","6","10","1") = "9"
    & skf18("10","9","8","3","7","1","1") = "9"
    & skf18("10","9","8","3","7","2","1") = "9"
    & skf18("10","9","8","3","7","3","1") = "9"
    & skf18("10","9","8","3","7","4","1") = "9"
    & skf18("10","9","8","3","7","5","1") = "9"
    & skf18("10","9","8","3","7","6","1") = "9"
    & skf18("10","9","8","3","7","7","1") = "9"
    & skf18("10","9","8","3","7","8","1") = "9"
    & skf18("10","9","8","3","7","9","1") = "9"
    & skf18("10","9","8","3","7","10","1") = "9"
    & skf18("10","9","8","3","8","1","1") = "9"
    & skf18("10","9","8","3","8","2","1") = "9"
    & skf18("10","9","8","3","8","3","1") = "9"
    & skf18("10","9","8","3","8","4","1") = "9"
    & skf18("10","9","8","3","8","5","1") = "9"
    & skf18("10","9","8","3","8","6","1") = "9"
    & skf18("10","9","8","3","8","7","1") = "9"
    & skf18("10","9","8","3","8","8","1") = "9"
    & skf18("10","9","8","3","8","9","1") = "9"
    & skf18("10","9","8","3","8","10","1") = "9"
    & skf18("10","9","8","3","9","1","1") = "9"
    & skf18("10","9","8","3","9","2","1") = "9"
    & skf18("10","9","8","3","9","3","1") = "9"
    & skf18("10","9","8","3","9","4","1") = "9"
    & skf18("10","9","8","3","9","5","1") = "9"
    & skf18("10","9","8","3","9","6","1") = "9"
    & skf18("10","9","8","3","9","7","1") = "9"
    & skf18("10","9","8","3","9","8","1") = "9"
    & skf18("10","9","8","3","9","9","1") = "9"
    & skf18("10","9","8","3","9","10","1") = "9"
    & skf18("10","9","8","3","10","1","1") = "9"
    & skf18("10","9","8","3","10","2","1") = "9"
    & skf18("10","9","8","3","10","3","1") = "9"
    & skf18("10","9","8","3","10","4","1") = "9"
    & skf18("10","9","8","3","10","5","1") = "9"
    & skf18("10","9","8","3","10","6","1") = "9"
    & skf18("10","9","8","3","10","7","1") = "9"
    & skf18("10","9","8","3","10","8","1") = "9"
    & skf18("10","9","8","3","10","9","1") = "9"
    & skf18("10","9","8","3","10","10","1") = "9"
    & skf18("10","9","8","4","1","1","1") = "9"
    & skf18("10","9","8","4","1","2","1") = "9"
    & skf18("10","9","8","4","1","3","1") = "9"
    & skf18("10","9","8","4","1","4","1") = "9"
    & skf18("10","9","8","4","1","5","1") = "9"
    & skf18("10","9","8","4","1","6","1") = "9"
    & skf18("10","9","8","4","1","7","1") = "9"
    & skf18("10","9","8","4","1","8","1") = "9"
    & skf18("10","9","8","4","1","9","1") = "9"
    & skf18("10","9","8","4","1","10","1") = "9"
    & skf18("10","9","8","4","2","1","1") = "9"
    & skf18("10","9","8","4","2","2","1") = "9"
    & skf18("10","9","8","4","2","3","1") = "9"
    & skf18("10","9","8","4","2","4","1") = "9"
    & skf18("10","9","8","4","2","5","1") = "9"
    & skf18("10","9","8","4","2","6","1") = "9"
    & skf18("10","9","8","4","2","7","1") = "9"
    & skf18("10","9","8","4","2","8","1") = "9"
    & skf18("10","9","8","4","2","9","1") = "9"
    & skf18("10","9","8","4","2","10","1") = "9"
    & skf18("10","9","8","4","3","1","1") = "9"
    & skf18("10","9","8","4","3","2","1") = "9"
    & skf18("10","9","8","4","3","3","1") = "9"
    & skf18("10","9","8","4","3","4","1") = "9"
    & skf18("10","9","8","4","3","5","1") = "9"
    & skf18("10","9","8","4","3","6","1") = "9"
    & skf18("10","9","8","4","3","7","1") = "9"
    & skf18("10","9","8","4","3","8","1") = "9"
    & skf18("10","9","8","4","3","9","1") = "9"
    & skf18("10","9","8","4","3","10","1") = "9"
    & skf18("10","9","8","4","4","1","1") = "9"
    & skf18("10","9","8","4","4","2","1") = "9"
    & skf18("10","9","8","4","4","3","1") = "9"
    & skf18("10","9","8","4","4","4","1") = "9"
    & skf18("10","9","8","4","4","5","1") = "9"
    & skf18("10","9","8","4","4","6","1") = "9"
    & skf18("10","9","8","4","4","7","1") = "9"
    & skf18("10","9","8","4","4","8","1") = "9"
    & skf18("10","9","8","4","4","9","1") = "9"
    & skf18("10","9","8","4","4","10","1") = "9"
    & skf18("10","9","8","4","5","1","1") = "9"
    & skf18("10","9","8","4","5","2","1") = "9"
    & skf18("10","9","8","4","5","3","1") = "9"
    & skf18("10","9","8","4","5","4","1") = "9"
    & skf18("10","9","8","4","5","5","1") = "9"
    & skf18("10","9","8","4","5","6","1") = "9"
    & skf18("10","9","8","4","5","7","1") = "9"
    & skf18("10","9","8","4","5","8","1") = "9"
    & skf18("10","9","8","4","5","9","1") = "9"
    & skf18("10","9","8","4","5","10","1") = "9"
    & skf18("10","9","8","4","6","1","1") = "9"
    & skf18("10","9","8","4","6","2","1") = "9"
    & skf18("10","9","8","4","6","3","1") = "9"
    & skf18("10","9","8","4","6","4","1") = "9"
    & skf18("10","9","8","4","6","5","1") = "9"
    & skf18("10","9","8","4","6","6","1") = "9"
    & skf18("10","9","8","4","6","7","1") = "9"
    & skf18("10","9","8","4","6","8","1") = "9"
    & skf18("10","9","8","4","6","9","1") = "9"
    & skf18("10","9","8","4","6","10","1") = "9"
    & skf18("10","9","8","4","7","1","1") = "9"
    & skf18("10","9","8","4","7","2","1") = "9"
    & skf18("10","9","8","4","7","3","1") = "9"
    & skf18("10","9","8","4","7","4","1") = "9"
    & skf18("10","9","8","4","7","5","1") = "9"
    & skf18("10","9","8","4","7","6","1") = "9"
    & skf18("10","9","8","4","7","7","1") = "9"
    & skf18("10","9","8","4","7","8","1") = "9"
    & skf18("10","9","8","4","7","9","1") = "9"
    & skf18("10","9","8","4","7","10","1") = "9"
    & skf18("10","9","8","4","8","1","1") = "9"
    & skf18("10","9","8","4","8","2","1") = "9"
    & skf18("10","9","8","4","8","3","1") = "9"
    & skf18("10","9","8","4","8","4","1") = "9"
    & skf18("10","9","8","4","8","5","1") = "9"
    & skf18("10","9","8","4","8","6","1") = "9"
    & skf18("10","9","8","4","8","7","1") = "9"
    & skf18("10","9","8","4","8","8","1") = "9"
    & skf18("10","9","8","4","8","9","1") = "9"
    & skf18("10","9","8","4","8","10","1") = "9"
    & skf18("10","9","8","4","9","1","1") = "9"
    & skf18("10","9","8","4","9","2","1") = "9"
    & skf18("10","9","8","4","9","3","1") = "9"
    & skf18("10","9","8","4","9","4","1") = "9"
    & skf18("10","9","8","4","9","5","1") = "9"
    & skf18("10","9","8","4","9","6","1") = "9"
    & skf18("10","9","8","4","9","7","1") = "9"
    & skf18("10","9","8","4","9","8","1") = "9"
    & skf18("10","9","8","4","9","9","1") = "9"
    & skf18("10","9","8","4","9","10","1") = "9"
    & skf18("10","9","8","4","10","1","1") = "9"
    & skf18("10","9","8","4","10","2","1") = "9"
    & skf18("10","9","8","4","10","3","1") = "9"
    & skf18("10","9","8","4","10","4","1") = "9"
    & skf18("10","9","8","4","10","5","1") = "9"
    & skf18("10","9","8","4","10","6","1") = "9"
    & skf18("10","9","8","4","10","7","1") = "9"
    & skf18("10","9","8","4","10","8","1") = "9"
    & skf18("10","9","8","4","10","9","1") = "9"
    & skf18("10","9","8","4","10","10","1") = "9"
    & skf18("10","9","8","5","1","1","1") = "9"
    & skf18("10","9","8","5","1","2","1") = "9"
    & skf18("10","9","8","5","1","3","1") = "9"
    & skf18("10","9","8","5","1","4","1") = "9"
    & skf18("10","9","8","5","1","5","1") = "9"
    & skf18("10","9","8","5","1","6","1") = "9"
    & skf18("10","9","8","5","1","7","1") = "9"
    & skf18("10","9","8","5","1","8","1") = "9"
    & skf18("10","9","8","5","1","9","1") = "9"
    & skf18("10","9","8","5","1","10","1") = "9"
    & skf18("10","9","8","5","2","1","1") = "9"
    & skf18("10","9","8","5","2","2","1") = "9"
    & skf18("10","9","8","5","2","3","1") = "9"
    & skf18("10","9","8","5","2","4","1") = "9"
    & skf18("10","9","8","5","2","5","1") = "9"
    & skf18("10","9","8","5","2","6","1") = "9"
    & skf18("10","9","8","5","2","7","1") = "9"
    & skf18("10","9","8","5","2","8","1") = "9"
    & skf18("10","9","8","5","2","9","1") = "9"
    & skf18("10","9","8","5","2","10","1") = "9"
    & skf18("10","9","8","5","3","1","1") = "9"
    & skf18("10","9","8","5","3","2","1") = "9"
    & skf18("10","9","8","5","3","3","1") = "9"
    & skf18("10","9","8","5","3","4","1") = "9"
    & skf18("10","9","8","5","3","5","1") = "9"
    & skf18("10","9","8","5","3","6","1") = "9"
    & skf18("10","9","8","5","3","7","1") = "9"
    & skf18("10","9","8","5","3","8","1") = "9"
    & skf18("10","9","8","5","3","9","1") = "9"
    & skf18("10","9","8","5","3","10","1") = "9"
    & skf18("10","9","8","5","4","1","1") = "9"
    & skf18("10","9","8","5","4","2","1") = "9"
    & skf18("10","9","8","5","4","3","1") = "9"
    & skf18("10","9","8","5","4","4","1") = "9"
    & skf18("10","9","8","5","4","5","1") = "9"
    & skf18("10","9","8","5","4","6","1") = "9"
    & skf18("10","9","8","5","4","7","1") = "9"
    & skf18("10","9","8","5","4","8","1") = "9"
    & skf18("10","9","8","5","4","9","1") = "9"
    & skf18("10","9","8","5","4","10","1") = "9"
    & skf18("10","9","8","5","5","1","1") = "9"
    & skf18("10","9","8","5","5","2","1") = "9"
    & skf18("10","9","8","5","5","3","1") = "9"
    & skf18("10","9","8","5","5","4","1") = "9"
    & skf18("10","9","8","5","5","5","1") = "9"
    & skf18("10","9","8","5","5","6","1") = "9"
    & skf18("10","9","8","5","5","7","1") = "9"
    & skf18("10","9","8","5","5","8","1") = "9"
    & skf18("10","9","8","5","5","9","1") = "9"
    & skf18("10","9","8","5","5","10","1") = "9"
    & skf18("10","9","8","5","6","1","1") = "9"
    & skf18("10","9","8","5","6","2","1") = "9"
    & skf18("10","9","8","5","6","3","1") = "9"
    & skf18("10","9","8","5","6","4","1") = "9"
    & skf18("10","9","8","5","6","5","1") = "9"
    & skf18("10","9","8","5","6","6","1") = "9"
    & skf18("10","9","8","5","6","7","1") = "9"
    & skf18("10","9","8","5","6","8","1") = "9"
    & skf18("10","9","8","5","6","9","1") = "9"
    & skf18("10","9","8","5","6","10","1") = "9"
    & skf18("10","9","8","5","7","1","1") = "9"
    & skf18("10","9","8","5","7","2","1") = "9"
    & skf18("10","9","8","5","7","3","1") = "9"
    & skf18("10","9","8","5","7","4","1") = "9"
    & skf18("10","9","8","5","7","5","1") = "9"
    & skf18("10","9","8","5","7","6","1") = "9"
    & skf18("10","9","8","5","7","7","1") = "9"
    & skf18("10","9","8","5","7","8","1") = "9"
    & skf18("10","9","8","5","7","9","1") = "9"
    & skf18("10","9","8","5","7","10","1") = "9"
    & skf18("10","9","8","5","8","1","1") = "9"
    & skf18("10","9","8","5","8","2","1") = "9"
    & skf18("10","9","8","5","8","3","1") = "9"
    & skf18("10","9","8","5","8","4","1") = "9"
    & skf18("10","9","8","5","8","5","1") = "9"
    & skf18("10","9","8","5","8","6","1") = "9"
    & skf18("10","9","8","5","8","7","1") = "9"
    & skf18("10","9","8","5","8","8","1") = "9"
    & skf18("10","9","8","5","8","9","1") = "9"
    & skf18("10","9","8","5","8","10","1") = "9"
    & skf18("10","9","8","5","9","1","1") = "9"
    & skf18("10","9","8","5","9","2","1") = "9"
    & skf18("10","9","8","5","9","3","1") = "9"
    & skf18("10","9","8","5","9","4","1") = "9"
    & skf18("10","9","8","5","9","5","1") = "9"
    & skf18("10","9","8","5","9","6","1") = "9"
    & skf18("10","9","8","5","9","7","1") = "9"
    & skf18("10","9","8","5","9","8","1") = "9"
    & skf18("10","9","8","5","9","9","1") = "9"
    & skf18("10","9","8","5","9","10","1") = "9"
    & skf18("10","9","8","5","10","1","1") = "9"
    & skf18("10","9","8","5","10","2","1") = "9"
    & skf18("10","9","8","5","10","3","1") = "9"
    & skf18("10","9","8","5","10","4","1") = "9"
    & skf18("10","9","8","5","10","5","1") = "9"
    & skf18("10","9","8","5","10","6","1") = "9"
    & skf18("10","9","8","5","10","7","1") = "9"
    & skf18("10","9","8","5","10","8","1") = "9"
    & skf18("10","9","8","5","10","9","1") = "9"
    & skf18("10","9","8","5","10","10","1") = "9"
    & skf18("10","9","8","6","1","1","1") = "9"
    & skf18("10","9","8","6","1","2","1") = "9"
    & skf18("10","9","8","6","1","3","1") = "9"
    & skf18("10","9","8","6","1","4","1") = "9"
    & skf18("10","9","8","6","1","5","1") = "9"
    & skf18("10","9","8","6","1","6","1") = "9"
    & skf18("10","9","8","6","1","7","1") = "9"
    & skf18("10","9","8","6","1","8","1") = "9"
    & skf18("10","9","8","6","1","9","1") = "9"
    & skf18("10","9","8","6","1","10","1") = "9"
    & skf18("10","9","8","6","2","1","1") = "9"
    & skf18("10","9","8","6","2","2","1") = "9"
    & skf18("10","9","8","6","2","3","1") = "9"
    & skf18("10","9","8","6","2","4","1") = "9"
    & skf18("10","9","8","6","2","5","1") = "9"
    & skf18("10","9","8","6","2","6","1") = "9"
    & skf18("10","9","8","6","2","7","1") = "9"
    & skf18("10","9","8","6","2","8","1") = "9"
    & skf18("10","9","8","6","2","9","1") = "9"
    & skf18("10","9","8","6","2","10","1") = "9"
    & skf18("10","9","8","6","3","1","1") = "9"
    & skf18("10","9","8","6","3","2","1") = "9"
    & skf18("10","9","8","6","3","3","1") = "9"
    & skf18("10","9","8","6","3","4","1") = "9"
    & skf18("10","9","8","6","3","5","1") = "9"
    & skf18("10","9","8","6","3","6","1") = "9"
    & skf18("10","9","8","6","3","7","1") = "9"
    & skf18("10","9","8","6","3","8","1") = "9"
    & skf18("10","9","8","6","3","9","1") = "9"
    & skf18("10","9","8","6","3","10","1") = "9"
    & skf18("10","9","8","6","4","1","1") = "9"
    & skf18("10","9","8","6","4","2","1") = "9"
    & skf18("10","9","8","6","4","3","1") = "9"
    & skf18("10","9","8","6","4","4","1") = "9"
    & skf18("10","9","8","6","4","5","1") = "9"
    & skf18("10","9","8","6","4","6","1") = "9"
    & skf18("10","9","8","6","4","7","1") = "9"
    & skf18("10","9","8","6","4","8","1") = "9"
    & skf18("10","9","8","6","4","9","1") = "9"
    & skf18("10","9","8","6","4","10","1") = "9"
    & skf18("10","9","8","6","5","1","1") = "9"
    & skf18("10","9","8","6","5","2","1") = "9"
    & skf18("10","9","8","6","5","3","1") = "9"
    & skf18("10","9","8","6","5","4","1") = "9"
    & skf18("10","9","8","6","5","5","1") = "9"
    & skf18("10","9","8","6","5","6","1") = "9"
    & skf18("10","9","8","6","5","7","1") = "9"
    & skf18("10","9","8","6","5","8","1") = "9"
    & skf18("10","9","8","6","5","9","1") = "9"
    & skf18("10","9","8","6","5","10","1") = "9"
    & skf18("10","9","8","6","6","1","1") = "9"
    & skf18("10","9","8","6","6","2","1") = "9"
    & skf18("10","9","8","6","6","3","1") = "9"
    & skf18("10","9","8","6","6","4","1") = "9"
    & skf18("10","9","8","6","6","5","1") = "9"
    & skf18("10","9","8","6","6","6","1") = "9"
    & skf18("10","9","8","6","6","7","1") = "9"
    & skf18("10","9","8","6","6","8","1") = "9"
    & skf18("10","9","8","6","6","9","1") = "9"
    & skf18("10","9","8","6","6","10","1") = "9"
    & skf18("10","9","8","6","7","1","1") = "9"
    & skf18("10","9","8","6","7","2","1") = "9"
    & skf18("10","9","8","6","7","3","1") = "9"
    & skf18("10","9","8","6","7","4","1") = "9"
    & skf18("10","9","8","6","7","5","1") = "9"
    & skf18("10","9","8","6","7","6","1") = "9"
    & skf18("10","9","8","6","7","7","1") = "9"
    & skf18("10","9","8","6","7","8","1") = "9"
    & skf18("10","9","8","6","7","9","1") = "9"
    & skf18("10","9","8","6","7","10","1") = "9"
    & skf18("10","9","8","6","8","1","1") = "9"
    & skf18("10","9","8","6","8","2","1") = "9"
    & skf18("10","9","8","6","8","3","1") = "9"
    & skf18("10","9","8","6","8","4","1") = "9"
    & skf18("10","9","8","6","8","5","1") = "9"
    & skf18("10","9","8","6","8","6","1") = "9"
    & skf18("10","9","8","6","8","7","1") = "9"
    & skf18("10","9","8","6","8","8","1") = "9"
    & skf18("10","9","8","6","8","9","1") = "9"
    & skf18("10","9","8","6","8","10","1") = "9"
    & skf18("10","9","8","6","9","1","1") = "9"
    & skf18("10","9","8","6","9","2","1") = "9"
    & skf18("10","9","8","6","9","3","1") = "9"
    & skf18("10","9","8","6","9","4","1") = "9"
    & skf18("10","9","8","6","9","5","1") = "9"
    & skf18("10","9","8","6","9","6","1") = "9"
    & skf18("10","9","8","6","9","7","1") = "9"
    & skf18("10","9","8","6","9","8","1") = "9"
    & skf18("10","9","8","6","9","9","1") = "9"
    & skf18("10","9","8","6","9","10","1") = "9"
    & skf18("10","9","8","6","10","1","1") = "9"
    & skf18("10","9","8","6","10","2","1") = "9"
    & skf18("10","9","8","6","10","3","1") = "9"
    & skf18("10","9","8","6","10","4","1") = "9"
    & skf18("10","9","8","6","10","5","1") = "9"
    & skf18("10","9","8","6","10","6","1") = "9"
    & skf18("10","9","8","6","10","7","1") = "9"
    & skf18("10","9","8","6","10","8","1") = "9"
    & skf18("10","9","8","6","10","9","1") = "9"
    & skf18("10","9","8","6","10","10","1") = "9"
    & skf18("10","9","8","7","1","1","1") = "9"
    & skf18("10","9","8","7","1","2","1") = "9"
    & skf18("10","9","8","7","1","3","1") = "9"
    & skf18("10","9","8","7","1","4","1") = "9"
    & skf18("10","9","8","7","1","5","1") = "9"
    & skf18("10","9","8","7","1","6","1") = "9"
    & skf18("10","9","8","7","1","7","1") = "9"
    & skf18("10","9","8","7","1","8","1") = "9"
    & skf18("10","9","8","7","1","9","1") = "9"
    & skf18("10","9","8","7","1","10","1") = "9"
    & skf18("10","9","8","7","2","1","1") = "9"
    & skf18("10","9","8","7","2","2","1") = "9"
    & skf18("10","9","8","7","2","3","1") = "9"
    & skf18("10","9","8","7","2","4","1") = "9"
    & skf18("10","9","8","7","2","5","1") = "9"
    & skf18("10","9","8","7","2","6","1") = "9"
    & skf18("10","9","8","7","2","7","1") = "9"
    & skf18("10","9","8","7","2","8","1") = "9"
    & skf18("10","9","8","7","2","9","1") = "9"
    & skf18("10","9","8","7","2","10","1") = "9"
    & skf18("10","9","8","7","3","1","1") = "9"
    & skf18("10","9","8","7","3","2","1") = "9"
    & skf18("10","9","8","7","3","3","1") = "9"
    & skf18("10","9","8","7","3","4","1") = "9"
    & skf18("10","9","8","7","3","5","1") = "9"
    & skf18("10","9","8","7","3","6","1") = "9"
    & skf18("10","9","8","7","3","7","1") = "9"
    & skf18("10","9","8","7","3","8","1") = "9"
    & skf18("10","9","8","7","3","9","1") = "9"
    & skf18("10","9","8","7","3","10","1") = "9"
    & skf18("10","9","8","7","4","1","1") = "9"
    & skf18("10","9","8","7","4","2","1") = "9"
    & skf18("10","9","8","7","4","3","1") = "9"
    & skf18("10","9","8","7","4","4","1") = "9"
    & skf18("10","9","8","7","4","5","1") = "9"
    & skf18("10","9","8","7","4","6","1") = "9"
    & skf18("10","9","8","7","4","7","1") = "9"
    & skf18("10","9","8","7","4","8","1") = "9"
    & skf18("10","9","8","7","4","9","1") = "9"
    & skf18("10","9","8","7","4","10","1") = "9"
    & skf18("10","9","8","7","5","1","1") = "9"
    & skf18("10","9","8","7","5","2","1") = "9"
    & skf18("10","9","8","7","5","3","1") = "9"
    & skf18("10","9","8","7","5","4","1") = "9"
    & skf18("10","9","8","7","5","5","1") = "9"
    & skf18("10","9","8","7","5","6","1") = "9"
    & skf18("10","9","8","7","5","7","1") = "9"
    & skf18("10","9","8","7","5","8","1") = "9"
    & skf18("10","9","8","7","5","9","1") = "9"
    & skf18("10","9","8","7","5","10","1") = "9"
    & skf18("10","9","8","7","6","1","1") = "9"
    & skf18("10","9","8","7","6","2","1") = "9"
    & skf18("10","9","8","7","6","3","1") = "9"
    & skf18("10","9","8","7","6","4","1") = "9"
    & skf18("10","9","8","7","6","5","1") = "9"
    & skf18("10","9","8","7","6","6","1") = "9"
    & skf18("10","9","8","7","6","7","1") = "9"
    & skf18("10","9","8","7","6","8","1") = "9"
    & skf18("10","9","8","7","6","9","1") = "9"
    & skf18("10","9","8","7","6","10","1") = "9"
    & skf18("10","9","8","7","7","1","1") = "9"
    & skf18("10","9","8","7","7","2","1") = "9"
    & skf18("10","9","8","7","7","3","1") = "9"
    & skf18("10","9","8","7","7","4","1") = "9"
    & skf18("10","9","8","7","7","5","1") = "9"
    & skf18("10","9","8","7","7","6","1") = "9"
    & skf18("10","9","8","7","7","7","1") = "9"
    & skf18("10","9","8","7","7","8","1") = "9"
    & skf18("10","9","8","7","7","9","1") = "9"
    & skf18("10","9","8","7","7","10","1") = "9"
    & skf18("10","9","8","7","8","1","1") = "9"
    & skf18("10","9","8","7","8","2","1") = "9"
    & skf18("10","9","8","7","8","3","1") = "9"
    & skf18("10","9","8","7","8","4","1") = "9"
    & skf18("10","9","8","7","8","5","1") = "9"
    & skf18("10","9","8","7","8","6","1") = "9"
    & skf18("10","9","8","7","8","7","1") = "9"
    & skf18("10","9","8","7","8","8","1") = "9"
    & skf18("10","9","8","7","8","9","1") = "9"
    & skf18("10","9","8","7","8","10","1") = "9"
    & skf18("10","9","8","7","9","1","1") = "9"
    & skf18("10","9","8","7","9","2","1") = "9"
    & skf18("10","9","8","7","9","3","1") = "9"
    & skf18("10","9","8","7","9","4","1") = "9"
    & skf18("10","9","8","7","9","5","1") = "9"
    & skf18("10","9","8","7","9","6","1") = "9"
    & skf18("10","9","8","7","9","7","1") = "9"
    & skf18("10","9","8","7","9","8","1") = "9"
    & skf18("10","9","8","7","9","9","1") = "9"
    & skf18("10","9","8","7","9","10","1") = "9"
    & skf18("10","9","8","7","10","1","1") = "9"
    & skf18("10","9","8","7","10","2","1") = "9"
    & skf18("10","9","8","7","10","3","1") = "9"
    & skf18("10","9","8","7","10","4","1") = "9"
    & skf18("10","9","8","7","10","5","1") = "9"
    & skf18("10","9","8","7","10","6","1") = "9"
    & skf18("10","9","8","7","10","7","1") = "9"
    & skf18("10","9","8","7","10","8","1") = "9"
    & skf18("10","9","8","7","10","9","1") = "9"
    & skf18("10","9","8","7","10","10","1") = "9"
    & skf18("10","9","8","8","1","1","1") = "9"
    & skf18("10","9","8","8","1","2","1") = "9"
    & skf18("10","9","8","8","1","3","1") = "9"
    & skf18("10","9","8","8","1","4","1") = "9"
    & skf18("10","9","8","8","1","5","1") = "9"
    & skf18("10","9","8","8","1","6","1") = "9"
    & skf18("10","9","8","8","1","7","1") = "9"
    & skf18("10","9","8","8","1","8","1") = "9"
    & skf18("10","9","8","8","1","9","1") = "9"
    & skf18("10","9","8","8","1","10","1") = "9"
    & skf18("10","9","8","8","2","1","1") = "9"
    & skf18("10","9","8","8","2","2","1") = "9"
    & skf18("10","9","8","8","2","3","1") = "9"
    & skf18("10","9","8","8","2","4","1") = "9"
    & skf18("10","9","8","8","2","5","1") = "9"
    & skf18("10","9","8","8","2","6","1") = "9"
    & skf18("10","9","8","8","2","7","1") = "9"
    & skf18("10","9","8","8","2","8","1") = "9"
    & skf18("10","9","8","8","2","9","1") = "9"
    & skf18("10","9","8","8","2","10","1") = "9"
    & skf18("10","9","8","8","3","1","1") = "9"
    & skf18("10","9","8","8","3","2","1") = "9"
    & skf18("10","9","8","8","3","3","1") = "9"
    & skf18("10","9","8","8","3","4","1") = "9"
    & skf18("10","9","8","8","3","5","1") = "9"
    & skf18("10","9","8","8","3","6","1") = "9"
    & skf18("10","9","8","8","3","7","1") = "9"
    & skf18("10","9","8","8","3","8","1") = "9"
    & skf18("10","9","8","8","3","9","1") = "9"
    & skf18("10","9","8","8","3","10","1") = "9"
    & skf18("10","9","8","8","4","1","1") = "9"
    & skf18("10","9","8","8","4","2","1") = "9"
    & skf18("10","9","8","8","4","3","1") = "9"
    & skf18("10","9","8","8","4","4","1") = "9"
    & skf18("10","9","8","8","4","5","1") = "9"
    & skf18("10","9","8","8","4","6","1") = "9"
    & skf18("10","9","8","8","4","7","1") = "9"
    & skf18("10","9","8","8","4","8","1") = "9"
    & skf18("10","9","8","8","4","9","1") = "9"
    & skf18("10","9","8","8","4","10","1") = "9"
    & skf18("10","9","8","8","5","1","1") = "9"
    & skf18("10","9","8","8","5","2","1") = "9"
    & skf18("10","9","8","8","5","3","1") = "9"
    & skf18("10","9","8","8","5","4","1") = "9"
    & skf18("10","9","8","8","5","5","1") = "9"
    & skf18("10","9","8","8","5","6","1") = "9"
    & skf18("10","9","8","8","5","7","1") = "9"
    & skf18("10","9","8","8","5","8","1") = "9"
    & skf18("10","9","8","8","5","9","1") = "9"
    & skf18("10","9","8","8","5","10","1") = "9"
    & skf18("10","9","8","8","6","1","1") = "9"
    & skf18("10","9","8","8","6","2","1") = "9"
    & skf18("10","9","8","8","6","3","1") = "9"
    & skf18("10","9","8","8","6","4","1") = "9"
    & skf18("10","9","8","8","6","5","1") = "9"
    & skf18("10","9","8","8","6","6","1") = "9"
    & skf18("10","9","8","8","6","7","1") = "9"
    & skf18("10","9","8","8","6","8","1") = "9"
    & skf18("10","9","8","8","6","9","1") = "9"
    & skf18("10","9","8","8","6","10","1") = "9"
    & skf18("10","9","8","8","7","1","1") = "9"
    & skf18("10","9","8","8","7","2","1") = "9"
    & skf18("10","9","8","8","7","3","1") = "9"
    & skf18("10","9","8","8","7","4","1") = "9"
    & skf18("10","9","8","8","7","5","1") = "9"
    & skf18("10","9","8","8","7","6","1") = "9"
    & skf18("10","9","8","8","7","7","1") = "9"
    & skf18("10","9","8","8","7","8","1") = "9"
    & skf18("10","9","8","8","7","9","1") = "9"
    & skf18("10","9","8","8","7","10","1") = "9"
    & skf18("10","9","8","8","8","1","1") = "9"
    & skf18("10","9","8","8","8","2","1") = "9"
    & skf18("10","9","8","8","8","3","1") = "9"
    & skf18("10","9","8","8","8","4","1") = "9"
    & skf18("10","9","8","8","8","5","1") = "9"
    & skf18("10","9","8","8","8","6","1") = "9"
    & skf18("10","9","8","8","8","7","1") = "9"
    & skf18("10","9","8","8","8","8","1") = "9"
    & skf18("10","9","8","8","8","9","1") = "9"
    & skf18("10","9","8","8","8","10","1") = "9"
    & skf18("10","9","8","8","9","1","1") = "9"
    & skf18("10","9","8","8","9","2","1") = "9"
    & skf18("10","9","8","8","9","3","1") = "9"
    & skf18("10","9","8","8","9","4","1") = "9"
    & skf18("10","9","8","8","9","5","1") = "9"
    & skf18("10","9","8","8","9","6","1") = "9"
    & skf18("10","9","8","8","9","7","1") = "9"
    & skf18("10","9","8","8","9","8","1") = "9"
    & skf18("10","9","8","8","9","9","1") = "9"
    & skf18("10","9","8","8","9","10","1") = "9"
    & skf18("10","9","8","8","10","1","1") = "9"
    & skf18("10","9","8","8","10","2","1") = "9"
    & skf18("10","9","8","8","10","3","1") = "9"
    & skf18("10","9","8","8","10","4","1") = "9"
    & skf18("10","9","8","8","10","5","1") = "9"
    & skf18("10","9","8","8","10","6","1") = "9"
    & skf18("10","9","8","8","10","7","1") = "9"
    & skf18("10","9","8","8","10","8","1") = "9"
    & skf18("10","9","8","8","10","9","1") = "9"
    & skf18("10","9","8","8","10","10","1") = "9"
    & skf18("10","9","8","9","1","1","1") = "9"
    & skf18("10","9","8","9","1","2","1") = "9"
    & skf18("10","9","8","9","1","3","1") = "9"
    & skf18("10","9","8","9","1","4","1") = "9"
    & skf18("10","9","8","9","1","5","1") = "9"
    & skf18("10","9","8","9","1","6","1") = "9"
    & skf18("10","9","8","9","1","7","1") = "9"
    & skf18("10","9","8","9","1","8","1") = "9"
    & skf18("10","9","8","9","1","9","1") = "9"
    & skf18("10","9","8","9","1","10","1") = "9"
    & skf18("10","9","8","9","2","1","1") = "9"
    & skf18("10","9","8","9","2","2","1") = "9"
    & skf18("10","9","8","9","2","3","1") = "9"
    & skf18("10","9","8","9","2","4","1") = "9"
    & skf18("10","9","8","9","2","5","1") = "9"
    & skf18("10","9","8","9","2","6","1") = "9"
    & skf18("10","9","8","9","2","7","1") = "9"
    & skf18("10","9","8","9","2","8","1") = "9"
    & skf18("10","9","8","9","2","9","1") = "9"
    & skf18("10","9","8","9","2","10","1") = "9"
    & skf18("10","9","8","9","3","1","1") = "9"
    & skf18("10","9","8","9","3","2","1") = "9"
    & skf18("10","9","8","9","3","3","1") = "9"
    & skf18("10","9","8","9","3","4","1") = "9"
    & skf18("10","9","8","9","3","5","1") = "9"
    & skf18("10","9","8","9","3","6","1") = "9"
    & skf18("10","9","8","9","3","7","1") = "9"
    & skf18("10","9","8","9","3","8","1") = "9"
    & skf18("10","9","8","9","3","9","1") = "9"
    & skf18("10","9","8","9","3","10","1") = "9"
    & skf18("10","9","8","9","4","1","1") = "9"
    & skf18("10","9","8","9","4","2","1") = "9"
    & skf18("10","9","8","9","4","3","1") = "9"
    & skf18("10","9","8","9","4","4","1") = "9"
    & skf18("10","9","8","9","4","5","1") = "9"
    & skf18("10","9","8","9","4","6","1") = "9"
    & skf18("10","9","8","9","4","7","1") = "9"
    & skf18("10","9","8","9","4","8","1") = "9"
    & skf18("10","9","8","9","4","9","1") = "9"
    & skf18("10","9","8","9","4","10","1") = "9"
    & skf18("10","9","8","9","5","1","1") = "9"
    & skf18("10","9","8","9","5","2","1") = "9"
    & skf18("10","9","8","9","5","3","1") = "9"
    & skf18("10","9","8","9","5","4","1") = "9"
    & skf18("10","9","8","9","5","5","1") = "9"
    & skf18("10","9","8","9","5","6","1") = "9"
    & skf18("10","9","8","9","5","7","1") = "9"
    & skf18("10","9","8","9","5","8","1") = "9"
    & skf18("10","9","8","9","5","9","1") = "9"
    & skf18("10","9","8","9","5","10","1") = "9"
    & skf18("10","9","8","9","6","1","1") = "9"
    & skf18("10","9","8","9","6","2","1") = "9"
    & skf18("10","9","8","9","6","3","1") = "9"
    & skf18("10","9","8","9","6","4","1") = "9"
    & skf18("10","9","8","9","6","5","1") = "9"
    & skf18("10","9","8","9","6","6","1") = "9"
    & skf18("10","9","8","9","6","7","1") = "9"
    & skf18("10","9","8","9","6","8","1") = "9"
    & skf18("10","9","8","9","6","9","1") = "9"
    & skf18("10","9","8","9","6","10","1") = "9"
    & skf18("10","9","8","9","7","1","1") = "9"
    & skf18("10","9","8","9","7","2","1") = "9"
    & skf18("10","9","8","9","7","3","1") = "9"
    & skf18("10","9","8","9","7","4","1") = "9"
    & skf18("10","9","8","9","7","5","1") = "9"
    & skf18("10","9","8","9","7","6","1") = "9"
    & skf18("10","9","8","9","7","7","1") = "9"
    & skf18("10","9","8","9","7","8","1") = "9"
    & skf18("10","9","8","9","7","9","1") = "9"
    & skf18("10","9","8","9","7","10","1") = "9"
    & skf18("10","9","8","9","8","1","1") = "9"
    & skf18("10","9","8","9","8","2","1") = "9"
    & skf18("10","9","8","9","8","3","1") = "9"
    & skf18("10","9","8","9","8","4","1") = "9"
    & skf18("10","9","8","9","8","5","1") = "9"
    & skf18("10","9","8","9","8","6","1") = "9"
    & skf18("10","9","8","9","8","7","1") = "9"
    & skf18("10","9","8","9","8","8","1") = "9"
    & skf18("10","9","8","9","8","9","1") = "9"
    & skf18("10","9","8","9","8","10","1") = "9"
    & skf18("10","9","8","9","9","1","1") = "9"
    & skf18("10","9","8","9","9","2","1") = "9"
    & skf18("10","9","8","9","9","3","1") = "9"
    & skf18("10","9","8","9","9","4","1") = "9"
    & skf18("10","9","8","9","9","5","1") = "9"
    & skf18("10","9","8","9","9","6","1") = "9"
    & skf18("10","9","8","9","9","7","1") = "9"
    & skf18("10","9","8","9","9","8","1") = "9"
    & skf18("10","9","8","9","9","9","1") = "9"
    & skf18("10","9","8","9","9","10","1") = "9"
    & skf18("10","9","8","9","10","1","1") = "9"
    & skf18("10","9","8","9","10","2","1") = "9"
    & skf18("10","9","8","9","10","3","1") = "9"
    & skf18("10","9","8","9","10","4","1") = "9"
    & skf18("10","9","8","9","10","5","1") = "9"
    & skf18("10","9","8","9","10","6","1") = "9"
    & skf18("10","9","8","9","10","7","1") = "9"
    & skf18("10","9","8","9","10","8","1") = "9"
    & skf18("10","9","8","9","10","9","1") = "9"
    & skf18("10","9","8","9","10","10","1") = "9"
    & skf18("10","9","8","10","1","1","1") = "9"
    & skf18("10","9","8","10","1","2","1") = "9"
    & skf18("10","9","8","10","1","3","1") = "9"
    & skf18("10","9","8","10","1","4","1") = "9"
    & skf18("10","9","8","10","1","5","1") = "9"
    & skf18("10","9","8","10","1","6","1") = "9"
    & skf18("10","9","8","10","1","7","1") = "9"
    & skf18("10","9","8","10","1","8","1") = "9"
    & skf18("10","9","8","10","1","9","1") = "9"
    & skf18("10","9","8","10","1","10","1") = "9"
    & skf18("10","9","8","10","2","1","1") = "9"
    & skf18("10","9","8","10","2","2","1") = "9"
    & skf18("10","9","8","10","2","3","1") = "9"
    & skf18("10","9","8","10","2","4","1") = "9"
    & skf18("10","9","8","10","2","5","1") = "9"
    & skf18("10","9","8","10","2","6","1") = "9"
    & skf18("10","9","8","10","2","7","1") = "9"
    & skf18("10","9","8","10","2","8","1") = "9"
    & skf18("10","9","8","10","2","9","1") = "9"
    & skf18("10","9","8","10","2","10","1") = "9"
    & skf18("10","9","8","10","3","1","1") = "9"
    & skf18("10","9","8","10","3","2","1") = "9"
    & skf18("10","9","8","10","3","3","1") = "9"
    & skf18("10","9","8","10","3","4","1") = "9"
    & skf18("10","9","8","10","3","5","1") = "9"
    & skf18("10","9","8","10","3","6","1") = "9"
    & skf18("10","9","8","10","3","7","1") = "9"
    & skf18("10","9","8","10","3","8","1") = "9"
    & skf18("10","9","8","10","3","9","1") = "9"
    & skf18("10","9","8","10","3","10","1") = "9"
    & skf18("10","9","8","10","4","1","1") = "9"
    & skf18("10","9","8","10","4","2","1") = "9"
    & skf18("10","9","8","10","4","3","1") = "9"
    & skf18("10","9","8","10","4","4","1") = "9"
    & skf18("10","9","8","10","4","5","1") = "9"
    & skf18("10","9","8","10","4","6","1") = "9"
    & skf18("10","9","8","10","4","7","1") = "9"
    & skf18("10","9","8","10","4","8","1") = "9"
    & skf18("10","9","8","10","4","9","1") = "9"
    & skf18("10","9","8","10","4","10","1") = "9"
    & skf18("10","9","8","10","5","1","1") = "9"
    & skf18("10","9","8","10","5","2","1") = "9"
    & skf18("10","9","8","10","5","3","1") = "9"
    & skf18("10","9","8","10","5","4","1") = "9"
    & skf18("10","9","8","10","5","5","1") = "9"
    & skf18("10","9","8","10","5","6","1") = "9"
    & skf18("10","9","8","10","5","7","1") = "9"
    & skf18("10","9","8","10","5","8","1") = "9"
    & skf18("10","9","8","10","5","9","1") = "9"
    & skf18("10","9","8","10","5","10","1") = "9"
    & skf18("10","9","8","10","6","1","1") = "9"
    & skf18("10","9","8","10","6","2","1") = "9"
    & skf18("10","9","8","10","6","3","1") = "9"
    & skf18("10","9","8","10","6","4","1") = "9"
    & skf18("10","9","8","10","6","5","1") = "9"
    & skf18("10","9","8","10","6","6","1") = "9"
    & skf18("10","9","8","10","6","7","1") = "9"
    & skf18("10","9","8","10","6","8","1") = "9"
    & skf18("10","9","8","10","6","9","1") = "9"
    & skf18("10","9","8","10","6","10","1") = "9"
    & skf18("10","9","8","10","7","1","1") = "9"
    & skf18("10","9","8","10","7","2","1") = "9"
    & skf18("10","9","8","10","7","3","1") = "9"
    & skf18("10","9","8","10","7","4","1") = "9"
    & skf18("10","9","8","10","7","5","1") = "9"
    & skf18("10","9","8","10","7","6","1") = "9"
    & skf18("10","9","8","10","7","7","1") = "9"
    & skf18("10","9","8","10","7","8","1") = "9"
    & skf18("10","9","8","10","7","9","1") = "9"
    & skf18("10","9","8","10","7","10","1") = "9"
    & skf18("10","9","8","10","8","1","1") = "9"
    & skf18("10","9","8","10","8","2","1") = "9"
    & skf18("10","9","8","10","8","3","1") = "9"
    & skf18("10","9","8","10","8","4","1") = "9"
    & skf18("10","9","8","10","8","5","1") = "9"
    & skf18("10","9","8","10","8","6","1") = "9"
    & skf18("10","9","8","10","8","7","1") = "9"
    & skf18("10","9","8","10","8","8","1") = "9"
    & skf18("10","9","8","10","8","9","1") = "9"
    & skf18("10","9","8","10","8","10","1") = "9"
    & skf18("10","9","8","10","9","1","1") = "9"
    & skf18("10","9","8","10","9","2","1") = "9"
    & skf18("10","9","8","10","9","3","1") = "9"
    & skf18("10","9","8","10","9","4","1") = "9"
    & skf18("10","9","8","10","9","5","1") = "9"
    & skf18("10","9","8","10","9","6","1") = "9"
    & skf18("10","9","8","10","9","7","1") = "9"
    & skf18("10","9","8","10","9","8","1") = "9"
    & skf18("10","9","8","10","9","9","1") = "9"
    & skf18("10","9","8","10","9","10","1") = "9"
    & skf18("10","9","8","10","10","1","1") = "9"
    & skf18("10","9","8","10","10","2","1") = "9"
    & skf18("10","9","8","10","10","3","1") = "9"
    & skf18("10","9","8","10","10","4","1") = "9"
    & skf18("10","9","8","10","10","5","1") = "9"
    & skf18("10","9","8","10","10","6","1") = "9"
    & skf18("10","9","8","10","10","7","1") = "9"
    & skf18("10","9","8","10","10","8","1") = "9"
    & skf18("10","9","8","10","10","9","1") = "9"
    & skf18("10","9","8","10","10","10","1") = "9"
    & skf18("10","9","9","1","1","1","1") = "9"
    & skf18("10","9","9","1","1","2","1") = "9"
    & skf18("10","9","9","1","1","3","1") = "9"
    & skf18("10","9","9","1","1","4","1") = "9"
    & skf18("10","9","9","1","1","5","1") = "9"
    & skf18("10","9","9","1","1","6","1") = "9"
    & skf18("10","9","9","1","1","7","1") = "9"
    & skf18("10","9","9","1","1","8","1") = "9"
    & skf18("10","9","9","1","1","9","1") = "9"
    & skf18("10","9","9","1","1","10","1") = "9"
    & skf18("10","9","9","1","2","1","1") = "9"
    & skf18("10","9","9","1","2","2","1") = "9"
    & skf18("10","9","9","1","2","3","1") = "9"
    & skf18("10","9","9","1","2","4","1") = "9"
    & skf18("10","9","9","1","2","5","1") = "9"
    & skf18("10","9","9","1","2","6","1") = "9"
    & skf18("10","9","9","1","2","7","1") = "9"
    & skf18("10","9","9","1","2","8","1") = "9"
    & skf18("10","9","9","1","2","9","1") = "9"
    & skf18("10","9","9","1","2","10","1") = "9"
    & skf18("10","9","9","1","3","1","1") = "9"
    & skf18("10","9","9","1","3","2","1") = "9"
    & skf18("10","9","9","1","3","3","1") = "9"
    & skf18("10","9","9","1","3","4","1") = "9"
    & skf18("10","9","9","1","3","5","1") = "9"
    & skf18("10","9","9","1","3","6","1") = "9"
    & skf18("10","9","9","1","3","7","1") = "9"
    & skf18("10","9","9","1","3","8","1") = "9"
    & skf18("10","9","9","1","3","9","1") = "9"
    & skf18("10","9","9","1","3","10","1") = "9"
    & skf18("10","9","9","1","4","1","1") = "9"
    & skf18("10","9","9","1","4","2","1") = "9"
    & skf18("10","9","9","1","4","3","1") = "9"
    & skf18("10","9","9","1","4","4","1") = "9"
    & skf18("10","9","9","1","4","5","1") = "9"
    & skf18("10","9","9","1","4","6","1") = "9"
    & skf18("10","9","9","1","4","7","1") = "9"
    & skf18("10","9","9","1","4","8","1") = "9"
    & skf18("10","9","9","1","4","9","1") = "9"
    & skf18("10","9","9","1","4","10","1") = "9"
    & skf18("10","9","9","1","5","1","1") = "9"
    & skf18("10","9","9","1","5","2","1") = "9"
    & skf18("10","9","9","1","5","3","1") = "9"
    & skf18("10","9","9","1","5","4","1") = "9"
    & skf18("10","9","9","1","5","5","1") = "9"
    & skf18("10","9","9","1","5","6","1") = "9"
    & skf18("10","9","9","1","5","7","1") = "9"
    & skf18("10","9","9","1","5","8","1") = "9"
    & skf18("10","9","9","1","5","9","1") = "9"
    & skf18("10","9","9","1","5","10","1") = "9"
    & skf18("10","9","9","1","6","1","1") = "9"
    & skf18("10","9","9","1","6","2","1") = "9"
    & skf18("10","9","9","1","6","3","1") = "9"
    & skf18("10","9","9","1","6","4","1") = "9"
    & skf18("10","9","9","1","6","5","1") = "9"
    & skf18("10","9","9","1","6","6","1") = "9"
    & skf18("10","9","9","1","6","7","1") = "9"
    & skf18("10","9","9","1","6","8","1") = "9"
    & skf18("10","9","9","1","6","9","1") = "9"
    & skf18("10","9","9","1","6","10","1") = "9"
    & skf18("10","9","9","1","7","1","1") = "9"
    & skf18("10","9","9","1","7","2","1") = "9"
    & skf18("10","9","9","1","7","3","1") = "9"
    & skf18("10","9","9","1","7","4","1") = "9"
    & skf18("10","9","9","1","7","5","1") = "9"
    & skf18("10","9","9","1","7","6","1") = "9"
    & skf18("10","9","9","1","7","7","1") = "9"
    & skf18("10","9","9","1","7","8","1") = "9"
    & skf18("10","9","9","1","7","9","1") = "9"
    & skf18("10","9","9","1","7","10","1") = "9"
    & skf18("10","9","9","1","8","1","1") = "9"
    & skf18("10","9","9","1","8","2","1") = "9"
    & skf18("10","9","9","1","8","3","1") = "9"
    & skf18("10","9","9","1","8","4","1") = "9"
    & skf18("10","9","9","1","8","5","1") = "9"
    & skf18("10","9","9","1","8","6","1") = "9"
    & skf18("10","9","9","1","8","7","1") = "9"
    & skf18("10","9","9","1","8","8","1") = "9"
    & skf18("10","9","9","1","8","9","1") = "9"
    & skf18("10","9","9","1","8","10","1") = "9"
    & skf18("10","9","9","1","9","1","1") = "9"
    & skf18("10","9","9","1","9","2","1") = "9"
    & skf18("10","9","9","1","9","3","1") = "9"
    & skf18("10","9","9","1","9","4","1") = "9"
    & skf18("10","9","9","1","9","5","1") = "9"
    & skf18("10","9","9","1","9","6","1") = "9"
    & skf18("10","9","9","1","9","7","1") = "9"
    & skf18("10","9","9","1","9","8","1") = "9"
    & skf18("10","9","9","1","9","9","1") = "9"
    & skf18("10","9","9","1","9","10","1") = "9"
    & skf18("10","9","9","1","10","1","1") = "9"
    & skf18("10","9","9","1","10","2","1") = "9"
    & skf18("10","9","9","1","10","3","1") = "9"
    & skf18("10","9","9","1","10","4","1") = "9"
    & skf18("10","9","9","1","10","5","1") = "9"
    & skf18("10","9","9","1","10","6","1") = "9"
    & skf18("10","9","9","1","10","7","1") = "9"
    & skf18("10","9","9","1","10","8","1") = "9"
    & skf18("10","9","9","1","10","9","1") = "9"
    & skf18("10","9","9","1","10","10","1") = "9"
    & skf18("10","9","9","2","1","1","1") = "9"
    & skf18("10","9","9","2","1","2","1") = "9"
    & skf18("10","9","9","2","1","3","1") = "9"
    & skf18("10","9","9","2","1","4","1") = "9"
    & skf18("10","9","9","2","1","5","1") = "9"
    & skf18("10","9","9","2","1","6","1") = "9"
    & skf18("10","9","9","2","1","7","1") = "9"
    & skf18("10","9","9","2","1","8","1") = "9"
    & skf18("10","9","9","2","1","9","1") = "9"
    & skf18("10","9","9","2","1","10","1") = "9"
    & skf18("10","9","9","2","2","1","1") = "9"
    & skf18("10","9","9","2","2","2","1") = "9"
    & skf18("10","9","9","2","2","3","1") = "9"
    & skf18("10","9","9","2","2","4","1") = "9"
    & skf18("10","9","9","2","2","5","1") = "9"
    & skf18("10","9","9","2","2","6","1") = "9"
    & skf18("10","9","9","2","2","7","1") = "9"
    & skf18("10","9","9","2","2","8","1") = "9"
    & skf18("10","9","9","2","2","9","1") = "9"
    & skf18("10","9","9","2","2","10","1") = "9"
    & skf18("10","9","9","2","3","1","1") = "9"
    & skf18("10","9","9","2","3","2","1") = "9"
    & skf18("10","9","9","2","3","3","1") = "9"
    & skf18("10","9","9","2","3","4","1") = "9"
    & skf18("10","9","9","2","3","5","1") = "9"
    & skf18("10","9","9","2","3","6","1") = "9"
    & skf18("10","9","9","2","3","7","1") = "9"
    & skf18("10","9","9","2","3","8","1") = "9"
    & skf18("10","9","9","2","3","9","1") = "9"
    & skf18("10","9","9","2","3","10","1") = "9"
    & skf18("10","9","9","2","4","1","1") = "9"
    & skf18("10","9","9","2","4","2","1") = "9"
    & skf18("10","9","9","2","4","3","1") = "9"
    & skf18("10","9","9","2","4","4","1") = "9"
    & skf18("10","9","9","2","4","5","1") = "9"
    & skf18("10","9","9","2","4","6","1") = "9"
    & skf18("10","9","9","2","4","7","1") = "9"
    & skf18("10","9","9","2","4","8","1") = "9"
    & skf18("10","9","9","2","4","9","1") = "9"
    & skf18("10","9","9","2","4","10","1") = "9"
    & skf18("10","9","9","2","5","1","1") = "9"
    & skf18("10","9","9","2","5","2","1") = "9"
    & skf18("10","9","9","2","5","3","1") = "9"
    & skf18("10","9","9","2","5","4","1") = "9"
    & skf18("10","9","9","2","5","5","1") = "9"
    & skf18("10","9","9","2","5","6","1") = "9"
    & skf18("10","9","9","2","5","7","1") = "9"
    & skf18("10","9","9","2","5","8","1") = "9"
    & skf18("10","9","9","2","5","9","1") = "9"
    & skf18("10","9","9","2","5","10","1") = "9"
    & skf18("10","9","9","2","6","1","1") = "9"
    & skf18("10","9","9","2","6","2","1") = "9"
    & skf18("10","9","9","2","6","3","1") = "9"
    & skf18("10","9","9","2","6","4","1") = "9"
    & skf18("10","9","9","2","6","5","1") = "9"
    & skf18("10","9","9","2","6","6","1") = "9"
    & skf18("10","9","9","2","6","7","1") = "9"
    & skf18("10","9","9","2","6","8","1") = "9"
    & skf18("10","9","9","2","6","9","1") = "9"
    & skf18("10","9","9","2","6","10","1") = "9"
    & skf18("10","9","9","2","7","1","1") = "9"
    & skf18("10","9","9","2","7","2","1") = "9"
    & skf18("10","9","9","2","7","3","1") = "9"
    & skf18("10","9","9","2","7","4","1") = "9"
    & skf18("10","9","9","2","7","5","1") = "9"
    & skf18("10","9","9","2","7","6","1") = "9"
    & skf18("10","9","9","2","7","7","1") = "9"
    & skf18("10","9","9","2","7","8","1") = "9"
    & skf18("10","9","9","2","7","9","1") = "9"
    & skf18("10","9","9","2","7","10","1") = "9"
    & skf18("10","9","9","2","8","1","1") = "9"
    & skf18("10","9","9","2","8","2","1") = "9"
    & skf18("10","9","9","2","8","3","1") = "9"
    & skf18("10","9","9","2","8","4","1") = "9"
    & skf18("10","9","9","2","8","5","1") = "9"
    & skf18("10","9","9","2","8","6","1") = "9"
    & skf18("10","9","9","2","8","7","1") = "9"
    & skf18("10","9","9","2","8","8","1") = "9"
    & skf18("10","9","9","2","8","9","1") = "9"
    & skf18("10","9","9","2","8","10","1") = "9"
    & skf18("10","9","9","2","9","1","1") = "9"
    & skf18("10","9","9","2","9","2","1") = "9"
    & skf18("10","9","9","2","9","3","1") = "9"
    & skf18("10","9","9","2","9","4","1") = "9"
    & skf18("10","9","9","2","9","5","1") = "9"
    & skf18("10","9","9","2","9","6","1") = "9"
    & skf18("10","9","9","2","9","7","1") = "9"
    & skf18("10","9","9","2","9","8","1") = "9"
    & skf18("10","9","9","2","9","9","1") = "9"
    & skf18("10","9","9","2","9","10","1") = "9"
    & skf18("10","9","9","2","10","1","1") = "9"
    & skf18("10","9","9","2","10","2","1") = "9"
    & skf18("10","9","9","2","10","3","1") = "9"
    & skf18("10","9","9","2","10","4","1") = "9"
    & skf18("10","9","9","2","10","5","1") = "9"
    & skf18("10","9","9","2","10","6","1") = "9"
    & skf18("10","9","9","2","10","7","1") = "9"
    & skf18("10","9","9","2","10","8","1") = "9"
    & skf18("10","9","9","2","10","9","1") = "9"
    & skf18("10","9","9","2","10","10","1") = "9"
    & skf18("10","9","9","3","1","1","1") = "9"
    & skf18("10","9","9","3","1","2","1") = "9"
    & skf18("10","9","9","3","1","3","1") = "9"
    & skf18("10","9","9","3","1","4","1") = "9"
    & skf18("10","9","9","3","1","5","1") = "9"
    & skf18("10","9","9","3","1","6","1") = "9"
    & skf18("10","9","9","3","1","7","1") = "9"
    & skf18("10","9","9","3","1","8","1") = "9"
    & skf18("10","9","9","3","1","9","1") = "9"
    & skf18("10","9","9","3","1","10","1") = "9"
    & skf18("10","9","9","3","2","1","1") = "9"
    & skf18("10","9","9","3","2","2","1") = "9"
    & skf18("10","9","9","3","2","3","1") = "9"
    & skf18("10","9","9","3","2","4","1") = "9"
    & skf18("10","9","9","3","2","5","1") = "9"
    & skf18("10","9","9","3","2","6","1") = "9"
    & skf18("10","9","9","3","2","7","1") = "9"
    & skf18("10","9","9","3","2","8","1") = "9"
    & skf18("10","9","9","3","2","9","1") = "9"
    & skf18("10","9","9","3","2","10","1") = "9"
    & skf18("10","9","9","3","3","1","1") = "9"
    & skf18("10","9","9","3","3","2","1") = "9"
    & skf18("10","9","9","3","3","3","1") = "9"
    & skf18("10","9","9","3","3","4","1") = "9"
    & skf18("10","9","9","3","3","5","1") = "9"
    & skf18("10","9","9","3","3","6","1") = "9"
    & skf18("10","9","9","3","3","7","1") = "9"
    & skf18("10","9","9","3","3","8","1") = "9"
    & skf18("10","9","9","3","3","9","1") = "9"
    & skf18("10","9","9","3","3","10","1") = "9"
    & skf18("10","9","9","3","4","1","1") = "9"
    & skf18("10","9","9","3","4","2","1") = "9"
    & skf18("10","9","9","3","4","3","1") = "9"
    & skf18("10","9","9","3","4","4","1") = "9"
    & skf18("10","9","9","3","4","5","1") = "9"
    & skf18("10","9","9","3","4","6","1") = "9"
    & skf18("10","9","9","3","4","7","1") = "9"
    & skf18("10","9","9","3","4","8","1") = "9"
    & skf18("10","9","9","3","4","9","1") = "9"
    & skf18("10","9","9","3","4","10","1") = "9"
    & skf18("10","9","9","3","5","1","1") = "9"
    & skf18("10","9","9","3","5","2","1") = "9"
    & skf18("10","9","9","3","5","3","1") = "9"
    & skf18("10","9","9","3","5","4","1") = "9"
    & skf18("10","9","9","3","5","5","1") = "9"
    & skf18("10","9","9","3","5","6","1") = "9"
    & skf18("10","9","9","3","5","7","1") = "9"
    & skf18("10","9","9","3","5","8","1") = "9"
    & skf18("10","9","9","3","5","9","1") = "9"
    & skf18("10","9","9","3","5","10","1") = "9"
    & skf18("10","9","9","3","6","1","1") = "9"
    & skf18("10","9","9","3","6","2","1") = "9"
    & skf18("10","9","9","3","6","3","1") = "9"
    & skf18("10","9","9","3","6","4","1") = "9"
    & skf18("10","9","9","3","6","5","1") = "9"
    & skf18("10","9","9","3","6","6","1") = "9"
    & skf18("10","9","9","3","6","7","1") = "9"
    & skf18("10","9","9","3","6","8","1") = "9"
    & skf18("10","9","9","3","6","9","1") = "9"
    & skf18("10","9","9","3","6","10","1") = "9"
    & skf18("10","9","9","3","7","1","1") = "9"
    & skf18("10","9","9","3","7","2","1") = "9"
    & skf18("10","9","9","3","7","3","1") = "9"
    & skf18("10","9","9","3","7","4","1") = "9"
    & skf18("10","9","9","3","7","5","1") = "9"
    & skf18("10","9","9","3","7","6","1") = "9"
    & skf18("10","9","9","3","7","7","1") = "9"
    & skf18("10","9","9","3","7","8","1") = "9"
    & skf18("10","9","9","3","7","9","1") = "9"
    & skf18("10","9","9","3","7","10","1") = "9"
    & skf18("10","9","9","3","8","1","1") = "9"
    & skf18("10","9","9","3","8","2","1") = "9"
    & skf18("10","9","9","3","8","3","1") = "9"
    & skf18("10","9","9","3","8","4","1") = "9"
    & skf18("10","9","9","3","8","5","1") = "9"
    & skf18("10","9","9","3","8","6","1") = "9"
    & skf18("10","9","9","3","8","7","1") = "9"
    & skf18("10","9","9","3","8","8","1") = "9"
    & skf18("10","9","9","3","8","9","1") = "9"
    & skf18("10","9","9","3","8","10","1") = "9"
    & skf18("10","9","9","3","9","1","1") = "9"
    & skf18("10","9","9","3","9","2","1") = "9"
    & skf18("10","9","9","3","9","3","1") = "9"
    & skf18("10","9","9","3","9","4","1") = "9"
    & skf18("10","9","9","3","9","5","1") = "9"
    & skf18("10","9","9","3","9","6","1") = "9"
    & skf18("10","9","9","3","9","7","1") = "9"
    & skf18("10","9","9","3","9","8","1") = "9"
    & skf18("10","9","9","3","9","9","1") = "9"
    & skf18("10","9","9","3","9","10","1") = "9"
    & skf18("10","9","9","3","10","1","1") = "9"
    & skf18("10","9","9","3","10","2","1") = "9"
    & skf18("10","9","9","3","10","3","1") = "9"
    & skf18("10","9","9","3","10","4","1") = "9"
    & skf18("10","9","9","3","10","5","1") = "9"
    & skf18("10","9","9","3","10","6","1") = "9"
    & skf18("10","9","9","3","10","7","1") = "9"
    & skf18("10","9","9","3","10","8","1") = "9"
    & skf18("10","9","9","3","10","9","1") = "9"
    & skf18("10","9","9","3","10","10","1") = "9"
    & skf18("10","9","9","4","1","1","1") = "9"
    & skf18("10","9","9","4","1","2","1") = "9"
    & skf18("10","9","9","4","1","3","1") = "9"
    & skf18("10","9","9","4","1","4","1") = "9"
    & skf18("10","9","9","4","1","5","1") = "9"
    & skf18("10","9","9","4","1","6","1") = "9"
    & skf18("10","9","9","4","1","7","1") = "9"
    & skf18("10","9","9","4","1","8","1") = "9"
    & skf18("10","9","9","4","1","9","1") = "9"
    & skf18("10","9","9","4","1","10","1") = "9"
    & skf18("10","9","9","4","2","1","1") = "9"
    & skf18("10","9","9","4","2","2","1") = "9"
    & skf18("10","9","9","4","2","3","1") = "9"
    & skf18("10","9","9","4","2","4","1") = "9"
    & skf18("10","9","9","4","2","5","1") = "9"
    & skf18("10","9","9","4","2","6","1") = "9"
    & skf18("10","9","9","4","2","7","1") = "9"
    & skf18("10","9","9","4","2","8","1") = "9"
    & skf18("10","9","9","4","2","9","1") = "9"
    & skf18("10","9","9","4","2","10","1") = "9"
    & skf18("10","9","9","4","3","1","1") = "9"
    & skf18("10","9","9","4","3","2","1") = "9"
    & skf18("10","9","9","4","3","3","1") = "9"
    & skf18("10","9","9","4","3","4","1") = "9"
    & skf18("10","9","9","4","3","5","1") = "9"
    & skf18("10","9","9","4","3","6","1") = "9"
    & skf18("10","9","9","4","3","7","1") = "9"
    & skf18("10","9","9","4","3","8","1") = "9"
    & skf18("10","9","9","4","3","9","1") = "9"
    & skf18("10","9","9","4","3","10","1") = "9"
    & skf18("10","9","9","4","4","1","1") = "9"
    & skf18("10","9","9","4","4","2","1") = "9"
    & skf18("10","9","9","4","4","3","1") = "9"
    & skf18("10","9","9","4","4","4","1") = "9"
    & skf18("10","9","9","4","4","5","1") = "9"
    & skf18("10","9","9","4","4","6","1") = "9"
    & skf18("10","9","9","4","4","7","1") = "9"
    & skf18("10","9","9","4","4","8","1") = "9"
    & skf18("10","9","9","4","4","9","1") = "9"
    & skf18("10","9","9","4","4","10","1") = "9"
    & skf18("10","9","9","4","5","1","1") = "9"
    & skf18("10","9","9","4","5","2","1") = "9"
    & skf18("10","9","9","4","5","3","1") = "9"
    & skf18("10","9","9","4","5","4","1") = "9"
    & skf18("10","9","9","4","5","5","1") = "9"
    & skf18("10","9","9","4","5","6","1") = "9"
    & skf18("10","9","9","4","5","7","1") = "9"
    & skf18("10","9","9","4","5","8","1") = "9"
    & skf18("10","9","9","4","5","9","1") = "9"
    & skf18("10","9","9","4","5","10","1") = "9"
    & skf18("10","9","9","4","6","1","1") = "9"
    & skf18("10","9","9","4","6","2","1") = "9"
    & skf18("10","9","9","4","6","3","1") = "9"
    & skf18("10","9","9","4","6","4","1") = "9"
    & skf18("10","9","9","4","6","5","1") = "9"
    & skf18("10","9","9","4","6","6","1") = "9"
    & skf18("10","9","9","4","6","7","1") = "9"
    & skf18("10","9","9","4","6","8","1") = "9"
    & skf18("10","9","9","4","6","9","1") = "9"
    & skf18("10","9","9","4","6","10","1") = "9"
    & skf18("10","9","9","4","7","1","1") = "9"
    & skf18("10","9","9","4","7","2","1") = "9"
    & skf18("10","9","9","4","7","3","1") = "9"
    & skf18("10","9","9","4","7","4","1") = "9"
    & skf18("10","9","9","4","7","5","1") = "9"
    & skf18("10","9","9","4","7","6","1") = "9"
    & skf18("10","9","9","4","7","7","1") = "9"
    & skf18("10","9","9","4","7","8","1") = "9"
    & skf18("10","9","9","4","7","9","1") = "9"
    & skf18("10","9","9","4","7","10","1") = "9"
    & skf18("10","9","9","4","8","1","1") = "9"
    & skf18("10","9","9","4","8","2","1") = "9"
    & skf18("10","9","9","4","8","3","1") = "9"
    & skf18("10","9","9","4","8","4","1") = "9"
    & skf18("10","9","9","4","8","5","1") = "9"
    & skf18("10","9","9","4","8","6","1") = "9"
    & skf18("10","9","9","4","8","7","1") = "9"
    & skf18("10","9","9","4","8","8","1") = "9"
    & skf18("10","9","9","4","8","9","1") = "9"
    & skf18("10","9","9","4","8","10","1") = "9"
    & skf18("10","9","9","4","9","1","1") = "9"
    & skf18("10","9","9","4","9","2","1") = "9"
    & skf18("10","9","9","4","9","3","1") = "9"
    & skf18("10","9","9","4","9","4","1") = "9"
    & skf18("10","9","9","4","9","5","1") = "9"
    & skf18("10","9","9","4","9","6","1") = "9"
    & skf18("10","9","9","4","9","7","1") = "9"
    & skf18("10","9","9","4","9","8","1") = "9"
    & skf18("10","9","9","4","9","9","1") = "9"
    & skf18("10","9","9","4","9","10","1") = "9"
    & skf18("10","9","9","4","10","1","1") = "9"
    & skf18("10","9","9","4","10","2","1") = "9"
    & skf18("10","9","9","4","10","3","1") = "9"
    & skf18("10","9","9","4","10","4","1") = "9"
    & skf18("10","9","9","4","10","5","1") = "9"
    & skf18("10","9","9","4","10","6","1") = "9"
    & skf18("10","9","9","4","10","7","1") = "9"
    & skf18("10","9","9","4","10","8","1") = "9"
    & skf18("10","9","9","4","10","9","1") = "9"
    & skf18("10","9","9","4","10","10","1") = "9"
    & skf18("10","9","9","5","1","1","1") = "9"
    & skf18("10","9","9","5","1","2","1") = "9"
    & skf18("10","9","9","5","1","3","1") = "9"
    & skf18("10","9","9","5","1","4","1") = "9"
    & skf18("10","9","9","5","1","5","1") = "9"
    & skf18("10","9","9","5","1","6","1") = "9"
    & skf18("10","9","9","5","1","7","1") = "9"
    & skf18("10","9","9","5","1","8","1") = "9"
    & skf18("10","9","9","5","1","9","1") = "9"
    & skf18("10","9","9","5","1","10","1") = "9"
    & skf18("10","9","9","5","2","1","1") = "9"
    & skf18("10","9","9","5","2","2","1") = "9"
    & skf18("10","9","9","5","2","3","1") = "9"
    & skf18("10","9","9","5","2","4","1") = "9"
    & skf18("10","9","9","5","2","5","1") = "9"
    & skf18("10","9","9","5","2","6","1") = "9"
    & skf18("10","9","9","5","2","7","1") = "9"
    & skf18("10","9","9","5","2","8","1") = "9"
    & skf18("10","9","9","5","2","9","1") = "9"
    & skf18("10","9","9","5","2","10","1") = "9"
    & skf18("10","9","9","5","3","1","1") = "9"
    & skf18("10","9","9","5","3","2","1") = "9"
    & skf18("10","9","9","5","3","3","1") = "9"
    & skf18("10","9","9","5","3","4","1") = "9"
    & skf18("10","9","9","5","3","5","1") = "9"
    & skf18("10","9","9","5","3","6","1") = "9"
    & skf18("10","9","9","5","3","7","1") = "9"
    & skf18("10","9","9","5","3","8","1") = "9"
    & skf18("10","9","9","5","3","9","1") = "9"
    & skf18("10","9","9","5","3","10","1") = "9"
    & skf18("10","9","9","5","4","1","1") = "9"
    & skf18("10","9","9","5","4","2","1") = "9"
    & skf18("10","9","9","5","4","3","1") = "9"
    & skf18("10","9","9","5","4","4","1") = "9"
    & skf18("10","9","9","5","4","5","1") = "9"
    & skf18("10","9","9","5","4","6","1") = "9"
    & skf18("10","9","9","5","4","7","1") = "9"
    & skf18("10","9","9","5","4","8","1") = "9"
    & skf18("10","9","9","5","4","9","1") = "9"
    & skf18("10","9","9","5","4","10","1") = "9"
    & skf18("10","9","9","5","5","1","1") = "9"
    & skf18("10","9","9","5","5","2","1") = "9"
    & skf18("10","9","9","5","5","3","1") = "9"
    & skf18("10","9","9","5","5","4","1") = "9"
    & skf18("10","9","9","5","5","5","1") = "9"
    & skf18("10","9","9","5","5","6","1") = "9"
    & skf18("10","9","9","5","5","7","1") = "9"
    & skf18("10","9","9","5","5","8","1") = "9"
    & skf18("10","9","9","5","5","9","1") = "9"
    & skf18("10","9","9","5","5","10","1") = "9"
    & skf18("10","9","9","5","6","1","1") = "9"
    & skf18("10","9","9","5","6","2","1") = "9"
    & skf18("10","9","9","5","6","3","1") = "9"
    & skf18("10","9","9","5","6","4","1") = "9"
    & skf18("10","9","9","5","6","5","1") = "9"
    & skf18("10","9","9","5","6","6","1") = "9"
    & skf18("10","9","9","5","6","7","1") = "9"
    & skf18("10","9","9","5","6","8","1") = "9"
    & skf18("10","9","9","5","6","9","1") = "9"
    & skf18("10","9","9","5","6","10","1") = "9"
    & skf18("10","9","9","5","7","1","1") = "9"
    & skf18("10","9","9","5","7","2","1") = "9"
    & skf18("10","9","9","5","7","3","1") = "9"
    & skf18("10","9","9","5","7","4","1") = "9"
    & skf18("10","9","9","5","7","5","1") = "9"
    & skf18("10","9","9","5","7","6","1") = "9"
    & skf18("10","9","9","5","7","7","1") = "9"
    & skf18("10","9","9","5","7","8","1") = "9"
    & skf18("10","9","9","5","7","9","1") = "9"
    & skf18("10","9","9","5","7","10","1") = "9"
    & skf18("10","9","9","5","8","1","1") = "9"
    & skf18("10","9","9","5","8","2","1") = "9"
    & skf18("10","9","9","5","8","3","1") = "9"
    & skf18("10","9","9","5","8","4","1") = "9"
    & skf18("10","9","9","5","8","5","1") = "9"
    & skf18("10","9","9","5","8","6","1") = "9"
    & skf18("10","9","9","5","8","7","1") = "9"
    & skf18("10","9","9","5","8","8","1") = "9"
    & skf18("10","9","9","5","8","9","1") = "9"
    & skf18("10","9","9","5","8","10","1") = "9"
    & skf18("10","9","9","5","9","1","1") = "9"
    & skf18("10","9","9","5","9","2","1") = "9"
    & skf18("10","9","9","5","9","3","1") = "9"
    & skf18("10","9","9","5","9","4","1") = "9"
    & skf18("10","9","9","5","9","5","1") = "9"
    & skf18("10","9","9","5","9","6","1") = "9"
    & skf18("10","9","9","5","9","7","1") = "9"
    & skf18("10","9","9","5","9","8","1") = "9"
    & skf18("10","9","9","5","9","9","1") = "9"
    & skf18("10","9","9","5","9","10","1") = "9"
    & skf18("10","9","9","5","10","1","1") = "9"
    & skf18("10","9","9","5","10","2","1") = "9"
    & skf18("10","9","9","5","10","3","1") = "9"
    & skf18("10","9","9","5","10","4","1") = "9"
    & skf18("10","9","9","5","10","5","1") = "9"
    & skf18("10","9","9","5","10","6","1") = "9"
    & skf18("10","9","9","5","10","7","1") = "9"
    & skf18("10","9","9","5","10","8","1") = "9"
    & skf18("10","9","9","5","10","9","1") = "9"
    & skf18("10","9","9","5","10","10","1") = "9"
    & skf18("10","9","9","6","1","1","1") = "9"
    & skf18("10","9","9","6","1","2","1") = "9"
    & skf18("10","9","9","6","1","3","1") = "9"
    & skf18("10","9","9","6","1","4","1") = "9"
    & skf18("10","9","9","6","1","5","1") = "9"
    & skf18("10","9","9","6","1","6","1") = "9"
    & skf18("10","9","9","6","1","7","1") = "9"
    & skf18("10","9","9","6","1","8","1") = "9"
    & skf18("10","9","9","6","1","9","1") = "9"
    & skf18("10","9","9","6","1","10","1") = "9"
    & skf18("10","9","9","6","2","1","1") = "9"
    & skf18("10","9","9","6","2","2","1") = "9"
    & skf18("10","9","9","6","2","3","1") = "9"
    & skf18("10","9","9","6","2","4","1") = "9"
    & skf18("10","9","9","6","2","5","1") = "9"
    & skf18("10","9","9","6","2","6","1") = "9"
    & skf18("10","9","9","6","2","7","1") = "9"
    & skf18("10","9","9","6","2","8","1") = "9"
    & skf18("10","9","9","6","2","9","1") = "9"
    & skf18("10","9","9","6","2","10","1") = "9"
    & skf18("10","9","9","6","3","1","1") = "9"
    & skf18("10","9","9","6","3","2","1") = "9"
    & skf18("10","9","9","6","3","3","1") = "9"
    & skf18("10","9","9","6","3","4","1") = "9"
    & skf18("10","9","9","6","3","5","1") = "9"
    & skf18("10","9","9","6","3","6","1") = "9"
    & skf18("10","9","9","6","3","7","1") = "9"
    & skf18("10","9","9","6","3","8","1") = "9"
    & skf18("10","9","9","6","3","9","1") = "9"
    & skf18("10","9","9","6","3","10","1") = "9"
    & skf18("10","9","9","6","4","1","1") = "9"
    & skf18("10","9","9","6","4","2","1") = "9"
    & skf18("10","9","9","6","4","3","1") = "9"
    & skf18("10","9","9","6","4","4","1") = "9"
    & skf18("10","9","9","6","4","5","1") = "9"
    & skf18("10","9","9","6","4","6","1") = "9"
    & skf18("10","9","9","6","4","7","1") = "9"
    & skf18("10","9","9","6","4","8","1") = "9"
    & skf18("10","9","9","6","4","9","1") = "9"
    & skf18("10","9","9","6","4","10","1") = "9"
    & skf18("10","9","9","6","5","1","1") = "9"
    & skf18("10","9","9","6","5","2","1") = "9"
    & skf18("10","9","9","6","5","3","1") = "9"
    & skf18("10","9","9","6","5","4","1") = "9"
    & skf18("10","9","9","6","5","5","1") = "9"
    & skf18("10","9","9","6","5","6","1") = "9"
    & skf18("10","9","9","6","5","7","1") = "9"
    & skf18("10","9","9","6","5","8","1") = "9"
    & skf18("10","9","9","6","5","9","1") = "9"
    & skf18("10","9","9","6","5","10","1") = "9"
    & skf18("10","9","9","6","6","1","1") = "9"
    & skf18("10","9","9","6","6","2","1") = "9"
    & skf18("10","9","9","6","6","3","1") = "9"
    & skf18("10","9","9","6","6","4","1") = "9"
    & skf18("10","9","9","6","6","5","1") = "9"
    & skf18("10","9","9","6","6","6","1") = "9"
    & skf18("10","9","9","6","6","7","1") = "9"
    & skf18("10","9","9","6","6","8","1") = "9"
    & skf18("10","9","9","6","6","9","1") = "9"
    & skf18("10","9","9","6","6","10","1") = "9"
    & skf18("10","9","9","6","7","1","1") = "9"
    & skf18("10","9","9","6","7","2","1") = "9"
    & skf18("10","9","9","6","7","3","1") = "9"
    & skf18("10","9","9","6","7","4","1") = "9"
    & skf18("10","9","9","6","7","5","1") = "9"
    & skf18("10","9","9","6","7","6","1") = "9"
    & skf18("10","9","9","6","7","7","1") = "9"
    & skf18("10","9","9","6","7","8","1") = "9"
    & skf18("10","9","9","6","7","9","1") = "9"
    & skf18("10","9","9","6","7","10","1") = "9"
    & skf18("10","9","9","6","8","1","1") = "9"
    & skf18("10","9","9","6","8","2","1") = "9"
    & skf18("10","9","9","6","8","3","1") = "9"
    & skf18("10","9","9","6","8","4","1") = "9"
    & skf18("10","9","9","6","8","5","1") = "9"
    & skf18("10","9","9","6","8","6","1") = "9"
    & skf18("10","9","9","6","8","7","1") = "9"
    & skf18("10","9","9","6","8","8","1") = "9"
    & skf18("10","9","9","6","8","9","1") = "9"
    & skf18("10","9","9","6","8","10","1") = "9"
    & skf18("10","9","9","6","9","1","1") = "9"
    & skf18("10","9","9","6","9","2","1") = "9"
    & skf18("10","9","9","6","9","3","1") = "9"
    & skf18("10","9","9","6","9","4","1") = "9"
    & skf18("10","9","9","6","9","5","1") = "9"
    & skf18("10","9","9","6","9","6","1") = "9"
    & skf18("10","9","9","6","9","7","1") = "9"
    & skf18("10","9","9","6","9","8","1") = "9"
    & skf18("10","9","9","6","9","9","1") = "9"
    & skf18("10","9","9","6","9","10","1") = "9"
    & skf18("10","9","9","6","10","1","1") = "9"
    & skf18("10","9","9","6","10","2","1") = "9"
    & skf18("10","9","9","6","10","3","1") = "9"
    & skf18("10","9","9","6","10","4","1") = "9"
    & skf18("10","9","9","6","10","5","1") = "9"
    & skf18("10","9","9","6","10","6","1") = "9"
    & skf18("10","9","9","6","10","7","1") = "9"
    & skf18("10","9","9","6","10","8","1") = "9"
    & skf18("10","9","9","6","10","9","1") = "9"
    & skf18("10","9","9","6","10","10","1") = "9"
    & skf18("10","9","9","7","1","1","1") = "9"
    & skf18("10","9","9","7","1","2","1") = "9"
    & skf18("10","9","9","7","1","3","1") = "9"
    & skf18("10","9","9","7","1","4","1") = "9"
    & skf18("10","9","9","7","1","5","1") = "9"
    & skf18("10","9","9","7","1","6","1") = "9"
    & skf18("10","9","9","7","1","7","1") = "9"
    & skf18("10","9","9","7","1","8","1") = "9"
    & skf18("10","9","9","7","1","9","1") = "9"
    & skf18("10","9","9","7","1","10","1") = "9"
    & skf18("10","9","9","7","2","1","1") = "9"
    & skf18("10","9","9","7","2","2","1") = "9"
    & skf18("10","9","9","7","2","3","1") = "9"
    & skf18("10","9","9","7","2","4","1") = "9"
    & skf18("10","9","9","7","2","5","1") = "9"
    & skf18("10","9","9","7","2","6","1") = "9"
    & skf18("10","9","9","7","2","7","1") = "9"
    & skf18("10","9","9","7","2","8","1") = "9"
    & skf18("10","9","9","7","2","9","1") = "9"
    & skf18("10","9","9","7","2","10","1") = "9"
    & skf18("10","9","9","7","3","1","1") = "9"
    & skf18("10","9","9","7","3","2","1") = "9"
    & skf18("10","9","9","7","3","3","1") = "9"
    & skf18("10","9","9","7","3","4","1") = "9"
    & skf18("10","9","9","7","3","5","1") = "9"
    & skf18("10","9","9","7","3","6","1") = "9"
    & skf18("10","9","9","7","3","7","1") = "9"
    & skf18("10","9","9","7","3","8","1") = "9"
    & skf18("10","9","9","7","3","9","1") = "9"
    & skf18("10","9","9","7","3","10","1") = "9"
    & skf18("10","9","9","7","4","1","1") = "9"
    & skf18("10","9","9","7","4","2","1") = "9"
    & skf18("10","9","9","7","4","3","1") = "9"
    & skf18("10","9","9","7","4","4","1") = "9"
    & skf18("10","9","9","7","4","5","1") = "9"
    & skf18("10","9","9","7","4","6","1") = "9"
    & skf18("10","9","9","7","4","7","1") = "9"
    & skf18("10","9","9","7","4","8","1") = "9"
    & skf18("10","9","9","7","4","9","1") = "9"
    & skf18("10","9","9","7","4","10","1") = "9"
    & skf18("10","9","9","7","5","1","1") = "9"
    & skf18("10","9","9","7","5","2","1") = "9"
    & skf18("10","9","9","7","5","3","1") = "9"
    & skf18("10","9","9","7","5","4","1") = "9"
    & skf18("10","9","9","7","5","5","1") = "9"
    & skf18("10","9","9","7","5","6","1") = "9"
    & skf18("10","9","9","7","5","7","1") = "9"
    & skf18("10","9","9","7","5","8","1") = "9"
    & skf18("10","9","9","7","5","9","1") = "9"
    & skf18("10","9","9","7","5","10","1") = "9"
    & skf18("10","9","9","7","6","1","1") = "9"
    & skf18("10","9","9","7","6","2","1") = "9"
    & skf18("10","9","9","7","6","3","1") = "9"
    & skf18("10","9","9","7","6","4","1") = "9"
    & skf18("10","9","9","7","6","5","1") = "9"
    & skf18("10","9","9","7","6","6","1") = "9"
    & skf18("10","9","9","7","6","7","1") = "9"
    & skf18("10","9","9","7","6","8","1") = "9"
    & skf18("10","9","9","7","6","9","1") = "9"
    & skf18("10","9","9","7","6","10","1") = "9"
    & skf18("10","9","9","7","7","1","1") = "9"
    & skf18("10","9","9","7","7","2","1") = "9"
    & skf18("10","9","9","7","7","3","1") = "9"
    & skf18("10","9","9","7","7","4","1") = "9"
    & skf18("10","9","9","7","7","5","1") = "9"
    & skf18("10","9","9","7","7","6","1") = "9"
    & skf18("10","9","9","7","7","7","1") = "9"
    & skf18("10","9","9","7","7","8","1") = "9"
    & skf18("10","9","9","7","7","9","1") = "9"
    & skf18("10","9","9","7","7","10","1") = "9"
    & skf18("10","9","9","7","8","1","1") = "9"
    & skf18("10","9","9","7","8","2","1") = "9"
    & skf18("10","9","9","7","8","3","1") = "9"
    & skf18("10","9","9","7","8","4","1") = "9"
    & skf18("10","9","9","7","8","5","1") = "9"
    & skf18("10","9","9","7","8","6","1") = "9"
    & skf18("10","9","9","7","8","7","1") = "9"
    & skf18("10","9","9","7","8","8","1") = "9"
    & skf18("10","9","9","7","8","9","1") = "9"
    & skf18("10","9","9","7","8","10","1") = "9"
    & skf18("10","9","9","7","9","1","1") = "9"
    & skf18("10","9","9","7","9","2","1") = "9"
    & skf18("10","9","9","7","9","3","1") = "9"
    & skf18("10","9","9","7","9","4","1") = "9"
    & skf18("10","9","9","7","9","5","1") = "9"
    & skf18("10","9","9","7","9","6","1") = "9"
    & skf18("10","9","9","7","9","7","1") = "9"
    & skf18("10","9","9","7","9","8","1") = "9"
    & skf18("10","9","9","7","9","9","1") = "9"
    & skf18("10","9","9","7","9","10","1") = "9"
    & skf18("10","9","9","7","10","1","1") = "9"
    & skf18("10","9","9","7","10","2","1") = "9"
    & skf18("10","9","9","7","10","3","1") = "9"
    & skf18("10","9","9","7","10","4","1") = "9"
    & skf18("10","9","9","7","10","5","1") = "9"
    & skf18("10","9","9","7","10","6","1") = "9"
    & skf18("10","9","9","7","10","7","1") = "9"
    & skf18("10","9","9","7","10","8","1") = "9"
    & skf18("10","9","9","7","10","9","1") = "9"
    & skf18("10","9","9","7","10","10","1") = "9"
    & skf18("10","9","9","8","1","1","1") = "9"
    & skf18("10","9","9","8","1","2","1") = "9"
    & skf18("10","9","9","8","1","3","1") = "9"
    & skf18("10","9","9","8","1","4","1") = "9"
    & skf18("10","9","9","8","1","5","1") = "9"
    & skf18("10","9","9","8","1","6","1") = "9"
    & skf18("10","9","9","8","1","7","1") = "9"
    & skf18("10","9","9","8","1","8","1") = "9"
    & skf18("10","9","9","8","1","9","1") = "9"
    & skf18("10","9","9","8","1","10","1") = "9"
    & skf18("10","9","9","8","2","1","1") = "9"
    & skf18("10","9","9","8","2","2","1") = "9"
    & skf18("10","9","9","8","2","3","1") = "9"
    & skf18("10","9","9","8","2","4","1") = "9"
    & skf18("10","9","9","8","2","5","1") = "9"
    & skf18("10","9","9","8","2","6","1") = "9"
    & skf18("10","9","9","8","2","7","1") = "9"
    & skf18("10","9","9","8","2","8","1") = "9"
    & skf18("10","9","9","8","2","9","1") = "9"
    & skf18("10","9","9","8","2","10","1") = "9"
    & skf18("10","9","9","8","3","1","1") = "9"
    & skf18("10","9","9","8","3","2","1") = "9"
    & skf18("10","9","9","8","3","3","1") = "9"
    & skf18("10","9","9","8","3","4","1") = "9"
    & skf18("10","9","9","8","3","5","1") = "9"
    & skf18("10","9","9","8","3","6","1") = "9"
    & skf18("10","9","9","8","3","7","1") = "9"
    & skf18("10","9","9","8","3","8","1") = "9"
    & skf18("10","9","9","8","3","9","1") = "9"
    & skf18("10","9","9","8","3","10","1") = "9"
    & skf18("10","9","9","8","4","1","1") = "9"
    & skf18("10","9","9","8","4","2","1") = "9"
    & skf18("10","9","9","8","4","3","1") = "9"
    & skf18("10","9","9","8","4","4","1") = "9"
    & skf18("10","9","9","8","4","5","1") = "9"
    & skf18("10","9","9","8","4","6","1") = "9"
    & skf18("10","9","9","8","4","7","1") = "9"
    & skf18("10","9","9","8","4","8","1") = "9"
    & skf18("10","9","9","8","4","9","1") = "9"
    & skf18("10","9","9","8","4","10","1") = "9"
    & skf18("10","9","9","8","5","1","1") = "9"
    & skf18("10","9","9","8","5","2","1") = "9"
    & skf18("10","9","9","8","5","3","1") = "9"
    & skf18("10","9","9","8","5","4","1") = "9"
    & skf18("10","9","9","8","5","5","1") = "9"
    & skf18("10","9","9","8","5","6","1") = "9"
    & skf18("10","9","9","8","5","7","1") = "9"
    & skf18("10","9","9","8","5","8","1") = "9"
    & skf18("10","9","9","8","5","9","1") = "9"
    & skf18("10","9","9","8","5","10","1") = "9"
    & skf18("10","9","9","8","6","1","1") = "9"
    & skf18("10","9","9","8","6","2","1") = "9"
    & skf18("10","9","9","8","6","3","1") = "9"
    & skf18("10","9","9","8","6","4","1") = "9"
    & skf18("10","9","9","8","6","5","1") = "9"
    & skf18("10","9","9","8","6","6","1") = "9"
    & skf18("10","9","9","8","6","7","1") = "9"
    & skf18("10","9","9","8","6","8","1") = "9"
    & skf18("10","9","9","8","6","9","1") = "9"
    & skf18("10","9","9","8","6","10","1") = "9"
    & skf18("10","9","9","8","7","1","1") = "9"
    & skf18("10","9","9","8","7","2","1") = "9"
    & skf18("10","9","9","8","7","3","1") = "9"
    & skf18("10","9","9","8","7","4","1") = "9"
    & skf18("10","9","9","8","7","5","1") = "9"
    & skf18("10","9","9","8","7","6","1") = "9"
    & skf18("10","9","9","8","7","7","1") = "9"
    & skf18("10","9","9","8","7","8","1") = "9"
    & skf18("10","9","9","8","7","9","1") = "9"
    & skf18("10","9","9","8","7","10","1") = "9"
    & skf18("10","9","9","8","8","1","1") = "9"
    & skf18("10","9","9","8","8","2","1") = "9"
    & skf18("10","9","9","8","8","3","1") = "9"
    & skf18("10","9","9","8","8","4","1") = "9"
    & skf18("10","9","9","8","8","5","1") = "9"
    & skf18("10","9","9","8","8","6","1") = "9"
    & skf18("10","9","9","8","8","7","1") = "9"
    & skf18("10","9","9","8","8","8","1") = "9"
    & skf18("10","9","9","8","8","9","1") = "9"
    & skf18("10","9","9","8","8","10","1") = "9"
    & skf18("10","9","9","8","9","1","1") = "9"
    & skf18("10","9","9","8","9","2","1") = "9"
    & skf18("10","9","9","8","9","3","1") = "9"
    & skf18("10","9","9","8","9","4","1") = "9"
    & skf18("10","9","9","8","9","5","1") = "9"
    & skf18("10","9","9","8","9","6","1") = "9"
    & skf18("10","9","9","8","9","7","1") = "9"
    & skf18("10","9","9","8","9","8","1") = "9"
    & skf18("10","9","9","8","9","9","1") = "9"
    & skf18("10","9","9","8","9","10","1") = "9"
    & skf18("10","9","9","8","10","1","1") = "9"
    & skf18("10","9","9","8","10","2","1") = "9"
    & skf18("10","9","9","8","10","3","1") = "9"
    & skf18("10","9","9","8","10","4","1") = "9"
    & skf18("10","9","9","8","10","5","1") = "9"
    & skf18("10","9","9","8","10","6","1") = "9"
    & skf18("10","9","9","8","10","7","1") = "9"
    & skf18("10","9","9","8","10","8","1") = "9"
    & skf18("10","9","9","8","10","9","1") = "9"
    & skf18("10","9","9","8","10","10","1") = "9"
    & skf18("10","9","9","9","1","1","1") = "9"
    & skf18("10","9","9","9","1","2","1") = "9"
    & skf18("10","9","9","9","1","3","1") = "9"
    & skf18("10","9","9","9","1","4","1") = "9"
    & skf18("10","9","9","9","1","5","1") = "9"
    & skf18("10","9","9","9","1","6","1") = "9"
    & skf18("10","9","9","9","1","7","1") = "9"
    & skf18("10","9","9","9","1","8","1") = "9"
    & skf18("10","9","9","9","1","9","1") = "9"
    & skf18("10","9","9","9","1","10","1") = "9"
    & skf18("10","9","9","9","2","1","1") = "9"
    & skf18("10","9","9","9","2","2","1") = "9"
    & skf18("10","9","9","9","2","3","1") = "9"
    & skf18("10","9","9","9","2","4","1") = "9"
    & skf18("10","9","9","9","2","5","1") = "9"
    & skf18("10","9","9","9","2","6","1") = "9"
    & skf18("10","9","9","9","2","7","1") = "9"
    & skf18("10","9","9","9","2","8","1") = "9"
    & skf18("10","9","9","9","2","9","1") = "9"
    & skf18("10","9","9","9","2","10","1") = "9"
    & skf18("10","9","9","9","3","1","1") = "9"
    & skf18("10","9","9","9","3","2","1") = "9"
    & skf18("10","9","9","9","3","3","1") = "9"
    & skf18("10","9","9","9","3","4","1") = "9"
    & skf18("10","9","9","9","3","5","1") = "9"
    & skf18("10","9","9","9","3","6","1") = "9"
    & skf18("10","9","9","9","3","7","1") = "9"
    & skf18("10","9","9","9","3","8","1") = "9"
    & skf18("10","9","9","9","3","9","1") = "9"
    & skf18("10","9","9","9","3","10","1") = "9"
    & skf18("10","9","9","9","4","1","1") = "9"
    & skf18("10","9","9","9","4","2","1") = "9"
    & skf18("10","9","9","9","4","3","1") = "9"
    & skf18("10","9","9","9","4","4","1") = "9"
    & skf18("10","9","9","9","4","5","1") = "9"
    & skf18("10","9","9","9","4","6","1") = "9"
    & skf18("10","9","9","9","4","7","1") = "9"
    & skf18("10","9","9","9","4","8","1") = "9"
    & skf18("10","9","9","9","4","9","1") = "9"
    & skf18("10","9","9","9","4","10","1") = "9"
    & skf18("10","9","9","9","5","1","1") = "9"
    & skf18("10","9","9","9","5","2","1") = "9"
    & skf18("10","9","9","9","5","3","1") = "9"
    & skf18("10","9","9","9","5","4","1") = "9"
    & skf18("10","9","9","9","5","5","1") = "9"
    & skf18("10","9","9","9","5","6","1") = "9"
    & skf18("10","9","9","9","5","7","1") = "9"
    & skf18("10","9","9","9","5","8","1") = "9"
    & skf18("10","9","9","9","5","9","1") = "9"
    & skf18("10","9","9","9","5","10","1") = "9"
    & skf18("10","9","9","9","6","1","1") = "9"
    & skf18("10","9","9","9","6","2","1") = "9"
    & skf18("10","9","9","9","6","3","1") = "9"
    & skf18("10","9","9","9","6","4","1") = "9"
    & skf18("10","9","9","9","6","5","1") = "9"
    & skf18("10","9","9","9","6","6","1") = "9"
    & skf18("10","9","9","9","6","7","1") = "9"
    & skf18("10","9","9","9","6","8","1") = "9"
    & skf18("10","9","9","9","6","9","1") = "9"
    & skf18("10","9","9","9","6","10","1") = "9"
    & skf18("10","9","9","9","7","1","1") = "9"
    & skf18("10","9","9","9","7","2","1") = "9"
    & skf18("10","9","9","9","7","3","1") = "9"
    & skf18("10","9","9","9","7","4","1") = "9"
    & skf18("10","9","9","9","7","5","1") = "9"
    & skf18("10","9","9","9","7","6","1") = "9"
    & skf18("10","9","9","9","7","7","1") = "9"
    & skf18("10","9","9","9","7","8","1") = "9"
    & skf18("10","9","9","9","7","9","1") = "9"
    & skf18("10","9","9","9","7","10","1") = "9"
    & skf18("10","9","9","9","8","1","1") = "9"
    & skf18("10","9","9","9","8","2","1") = "9"
    & skf18("10","9","9","9","8","3","1") = "9"
    & skf18("10","9","9","9","8","4","1") = "9"
    & skf18("10","9","9","9","8","5","1") = "9"
    & skf18("10","9","9","9","8","6","1") = "9"
    & skf18("10","9","9","9","8","7","1") = "9"
    & skf18("10","9","9","9","8","8","1") = "9"
    & skf18("10","9","9","9","8","9","1") = "9"
    & skf18("10","9","9","9","8","10","1") = "9"
    & skf18("10","9","9","9","9","1","1") = "9"
    & skf18("10","9","9","9","9","2","1") = "9"
    & skf18("10","9","9","9","9","3","1") = "9"
    & skf18("10","9","9","9","9","4","1") = "9"
    & skf18("10","9","9","9","9","5","1") = "9"
    & skf18("10","9","9","9","9","6","1") = "9"
    & skf18("10","9","9","9","9","7","1") = "9"
    & skf18("10","9","9","9","9","8","1") = "9"
    & skf18("10","9","9","9","9","9","1") = "9"
    & skf18("10","9","9","9","9","10","1") = "9"
    & skf18("10","9","9","9","10","1","1") = "9"
    & skf18("10","9","9","9","10","2","1") = "9"
    & skf18("10","9","9","9","10","3","1") = "9"
    & skf18("10","9","9","9","10","4","1") = "9"
    & skf18("10","9","9","9","10","5","1") = "9"
    & skf18("10","9","9","9","10","6","1") = "9"
    & skf18("10","9","9","9","10","7","1") = "9"
    & skf18("10","9","9","9","10","8","1") = "9"
    & skf18("10","9","9","9","10","9","1") = "9"
    & skf18("10","9","9","9","10","10","1") = "9"
    & skf18("10","9","9","10","1","1","1") = "9"
    & skf18("10","9","9","10","1","2","1") = "9"
    & skf18("10","9","9","10","1","3","1") = "9"
    & skf18("10","9","9","10","1","4","1") = "9"
    & skf18("10","9","9","10","1","5","1") = "9"
    & skf18("10","9","9","10","1","6","1") = "9"
    & skf18("10","9","9","10","1","7","1") = "9"
    & skf18("10","9","9","10","1","8","1") = "9"
    & skf18("10","9","9","10","1","9","1") = "9"
    & skf18("10","9","9","10","1","10","1") = "9"
    & skf18("10","9","9","10","2","1","1") = "9"
    & skf18("10","9","9","10","2","2","1") = "9"
    & skf18("10","9","9","10","2","3","1") = "9"
    & skf18("10","9","9","10","2","4","1") = "9"
    & skf18("10","9","9","10","2","5","1") = "9"
    & skf18("10","9","9","10","2","6","1") = "9"
    & skf18("10","9","9","10","2","7","1") = "9"
    & skf18("10","9","9","10","2","8","1") = "9"
    & skf18("10","9","9","10","2","9","1") = "9"
    & skf18("10","9","9","10","2","10","1") = "9"
    & skf18("10","9","9","10","3","1","1") = "9"
    & skf18("10","9","9","10","3","2","1") = "9"
    & skf18("10","9","9","10","3","3","1") = "9"
    & skf18("10","9","9","10","3","4","1") = "9"
    & skf18("10","9","9","10","3","5","1") = "9"
    & skf18("10","9","9","10","3","6","1") = "9"
    & skf18("10","9","9","10","3","7","1") = "9"
    & skf18("10","9","9","10","3","8","1") = "9"
    & skf18("10","9","9","10","3","9","1") = "9"
    & skf18("10","9","9","10","3","10","1") = "9"
    & skf18("10","9","9","10","4","1","1") = "9"
    & skf18("10","9","9","10","4","2","1") = "9"
    & skf18("10","9","9","10","4","3","1") = "9"
    & skf18("10","9","9","10","4","4","1") = "9"
    & skf18("10","9","9","10","4","5","1") = "9"
    & skf18("10","9","9","10","4","6","1") = "9"
    & skf18("10","9","9","10","4","7","1") = "9"
    & skf18("10","9","9","10","4","8","1") = "9"
    & skf18("10","9","9","10","4","9","1") = "9"
    & skf18("10","9","9","10","4","10","1") = "9"
    & skf18("10","9","9","10","5","1","1") = "9"
    & skf18("10","9","9","10","5","2","1") = "9"
    & skf18("10","9","9","10","5","3","1") = "9"
    & skf18("10","9","9","10","5","4","1") = "9"
    & skf18("10","9","9","10","5","5","1") = "9"
    & skf18("10","9","9","10","5","6","1") = "9"
    & skf18("10","9","9","10","5","7","1") = "9"
    & skf18("10","9","9","10","5","8","1") = "9"
    & skf18("10","9","9","10","5","9","1") = "9"
    & skf18("10","9","9","10","5","10","1") = "9"
    & skf18("10","9","9","10","6","1","1") = "9"
    & skf18("10","9","9","10","6","2","1") = "9"
    & skf18("10","9","9","10","6","3","1") = "9"
    & skf18("10","9","9","10","6","4","1") = "9"
    & skf18("10","9","9","10","6","5","1") = "9"
    & skf18("10","9","9","10","6","6","1") = "9"
    & skf18("10","9","9","10","6","7","1") = "9"
    & skf18("10","9","9","10","6","8","1") = "9"
    & skf18("10","9","9","10","6","9","1") = "9"
    & skf18("10","9","9","10","6","10","1") = "9"
    & skf18("10","9","9","10","7","1","1") = "9"
    & skf18("10","9","9","10","7","2","1") = "9"
    & skf18("10","9","9","10","7","3","1") = "9"
    & skf18("10","9","9","10","7","4","1") = "9"
    & skf18("10","9","9","10","7","5","1") = "9"
    & skf18("10","9","9","10","7","6","1") = "9"
    & skf18("10","9","9","10","7","7","1") = "9"
    & skf18("10","9","9","10","7","8","1") = "9"
    & skf18("10","9","9","10","7","9","1") = "9"
    & skf18("10","9","9","10","7","10","1") = "9"
    & skf18("10","9","9","10","8","1","1") = "9"
    & skf18("10","9","9","10","8","2","1") = "9"
    & skf18("10","9","9","10","8","3","1") = "9"
    & skf18("10","9","9","10","8","4","1") = "9"
    & skf18("10","9","9","10","8","5","1") = "9"
    & skf18("10","9","9","10","8","6","1") = "9"
    & skf18("10","9","9","10","8","7","1") = "9"
    & skf18("10","9","9","10","8","8","1") = "9"
    & skf18("10","9","9","10","8","9","1") = "9"
    & skf18("10","9","9","10","8","10","1") = "9"
    & skf18("10","9","9","10","9","1","1") = "9"
    & skf18("10","9","9","10","9","2","1") = "9"
    & skf18("10","9","9","10","9","3","1") = "9"
    & skf18("10","9","9","10","9","4","1") = "9"
    & skf18("10","9","9","10","9","5","1") = "9"
    & skf18("10","9","9","10","9","6","1") = "9"
    & skf18("10","9","9","10","9","7","1") = "9"
    & skf18("10","9","9","10","9","8","1") = "9"
    & skf18("10","9","9","10","9","9","1") = "9"
    & skf18("10","9","9","10","9","10","1") = "9"
    & skf18("10","9","9","10","10","1","1") = "9"
    & skf18("10","9","9","10","10","2","1") = "9"
    & skf18("10","9","9","10","10","3","1") = "9"
    & skf18("10","9","9","10","10","4","1") = "9"
    & skf18("10","9","9","10","10","5","1") = "9"
    & skf18("10","9","9","10","10","6","1") = "9"
    & skf18("10","9","9","10","10","7","1") = "9"
    & skf18("10","9","9","10","10","8","1") = "9"
    & skf18("10","9","9","10","10","9","1") = "9"
    & skf18("10","9","9","10","10","10","1") = "9"
    & skf18("10","9","10","1","1","1","1") = "9"
    & skf18("10","9","10","1","1","2","1") = "9"
    & skf18("10","9","10","1","1","3","1") = "9"
    & skf18("10","9","10","1","1","4","1") = "9"
    & skf18("10","9","10","1","1","5","1") = "9"
    & skf18("10","9","10","1","1","6","1") = "9"
    & skf18("10","9","10","1","1","7","1") = "9"
    & skf18("10","9","10","1","1","8","1") = "9"
    & skf18("10","9","10","1","1","9","1") = "9"
    & skf18("10","9","10","1","1","10","1") = "9"
    & skf18("10","9","10","1","2","1","1") = "9"
    & skf18("10","9","10","1","2","2","1") = "9"
    & skf18("10","9","10","1","2","3","1") = "9"
    & skf18("10","9","10","1","2","4","1") = "9"
    & skf18("10","9","10","1","2","5","1") = "9"
    & skf18("10","9","10","1","2","6","1") = "9"
    & skf18("10","9","10","1","2","7","1") = "9"
    & skf18("10","9","10","1","2","8","1") = "9"
    & skf18("10","9","10","1","2","9","1") = "9"
    & skf18("10","9","10","1","2","10","1") = "9"
    & skf18("10","9","10","1","3","1","1") = "9"
    & skf18("10","9","10","1","3","2","1") = "9"
    & skf18("10","9","10","1","3","3","1") = "9"
    & skf18("10","9","10","1","3","4","1") = "9"
    & skf18("10","9","10","1","3","5","1") = "9"
    & skf18("10","9","10","1","3","6","1") = "9"
    & skf18("10","9","10","1","3","7","1") = "9"
    & skf18("10","9","10","1","3","8","1") = "9"
    & skf18("10","9","10","1","3","9","1") = "9"
    & skf18("10","9","10","1","3","10","1") = "9"
    & skf18("10","9","10","1","4","1","1") = "9"
    & skf18("10","9","10","1","4","2","1") = "9"
    & skf18("10","9","10","1","4","3","1") = "9"
    & skf18("10","9","10","1","4","4","1") = "9"
    & skf18("10","9","10","1","4","5","1") = "9"
    & skf18("10","9","10","1","4","6","1") = "9"
    & skf18("10","9","10","1","4","7","1") = "9"
    & skf18("10","9","10","1","4","8","1") = "9"
    & skf18("10","9","10","1","4","9","1") = "9"
    & skf18("10","9","10","1","4","10","1") = "9"
    & skf18("10","9","10","1","5","1","1") = "9"
    & skf18("10","9","10","1","5","2","1") = "9"
    & skf18("10","9","10","1","5","3","1") = "9"
    & skf18("10","9","10","1","5","4","1") = "9"
    & skf18("10","9","10","1","5","5","1") = "9"
    & skf18("10","9","10","1","5","6","1") = "9"
    & skf18("10","9","10","1","5","7","1") = "9"
    & skf18("10","9","10","1","5","8","1") = "9"
    & skf18("10","9","10","1","5","9","1") = "9"
    & skf18("10","9","10","1","5","10","1") = "9"
    & skf18("10","9","10","1","6","1","1") = "9"
    & skf18("10","9","10","1","6","2","1") = "9"
    & skf18("10","9","10","1","6","3","1") = "9"
    & skf18("10","9","10","1","6","4","1") = "9"
    & skf18("10","9","10","1","6","5","1") = "9"
    & skf18("10","9","10","1","6","6","1") = "9"
    & skf18("10","9","10","1","6","7","1") = "9"
    & skf18("10","9","10","1","6","8","1") = "9"
    & skf18("10","9","10","1","6","9","1") = "9"
    & skf18("10","9","10","1","6","10","1") = "9"
    & skf18("10","9","10","1","7","1","1") = "9"
    & skf18("10","9","10","1","7","2","1") = "9"
    & skf18("10","9","10","1","7","3","1") = "9"
    & skf18("10","9","10","1","7","4","1") = "9"
    & skf18("10","9","10","1","7","5","1") = "9"
    & skf18("10","9","10","1","7","6","1") = "9"
    & skf18("10","9","10","1","7","7","1") = "9"
    & skf18("10","9","10","1","7","8","1") = "9"
    & skf18("10","9","10","1","7","9","1") = "9"
    & skf18("10","9","10","1","7","10","1") = "9"
    & skf18("10","9","10","1","8","1","1") = "9"
    & skf18("10","9","10","1","8","2","1") = "9"
    & skf18("10","9","10","1","8","3","1") = "9"
    & skf18("10","9","10","1","8","4","1") = "9"
    & skf18("10","9","10","1","8","5","1") = "9"
    & skf18("10","9","10","1","8","6","1") = "9"
    & skf18("10","9","10","1","8","7","1") = "9"
    & skf18("10","9","10","1","8","8","1") = "9"
    & skf18("10","9","10","1","8","9","1") = "9"
    & skf18("10","9","10","1","8","10","1") = "9"
    & skf18("10","9","10","1","9","1","1") = "9"
    & skf18("10","9","10","1","9","2","1") = "9"
    & skf18("10","9","10","1","9","3","1") = "9"
    & skf18("10","9","10","1","9","4","1") = "9"
    & skf18("10","9","10","1","9","5","1") = "9"
    & skf18("10","9","10","1","9","6","1") = "9"
    & skf18("10","9","10","1","9","7","1") = "9"
    & skf18("10","9","10","1","9","8","1") = "9"
    & skf18("10","9","10","1","9","9","1") = "9"
    & skf18("10","9","10","1","9","10","1") = "9"
    & skf18("10","9","10","1","10","1","1") = "9"
    & skf18("10","9","10","1","10","2","1") = "9"
    & skf18("10","9","10","1","10","3","1") = "9"
    & skf18("10","9","10","1","10","4","1") = "9"
    & skf18("10","9","10","1","10","5","1") = "9"
    & skf18("10","9","10","1","10","6","1") = "9"
    & skf18("10","9","10","1","10","7","1") = "9"
    & skf18("10","9","10","1","10","8","1") = "9"
    & skf18("10","9","10","1","10","9","1") = "9"
    & skf18("10","9","10","1","10","10","1") = "9"
    & skf18("10","9","10","2","1","1","1") = "9"
    & skf18("10","9","10","2","1","2","1") = "9"
    & skf18("10","9","10","2","1","3","1") = "9"
    & skf18("10","9","10","2","1","4","1") = "9"
    & skf18("10","9","10","2","1","5","1") = "9"
    & skf18("10","9","10","2","1","6","1") = "9"
    & skf18("10","9","10","2","1","7","1") = "9"
    & skf18("10","9","10","2","1","8","1") = "9"
    & skf18("10","9","10","2","1","9","1") = "9"
    & skf18("10","9","10","2","1","10","1") = "9"
    & skf18("10","9","10","2","2","1","1") = "9"
    & skf18("10","9","10","2","2","2","1") = "9"
    & skf18("10","9","10","2","2","3","1") = "9"
    & skf18("10","9","10","2","2","4","1") = "9"
    & skf18("10","9","10","2","2","5","1") = "9"
    & skf18("10","9","10","2","2","6","1") = "9"
    & skf18("10","9","10","2","2","7","1") = "9"
    & skf18("10","9","10","2","2","8","1") = "9"
    & skf18("10","9","10","2","2","9","1") = "9"
    & skf18("10","9","10","2","2","10","1") = "9"
    & skf18("10","9","10","2","3","1","1") = "9"
    & skf18("10","9","10","2","3","2","1") = "9"
    & skf18("10","9","10","2","3","3","1") = "9"
    & skf18("10","9","10","2","3","4","1") = "9"
    & skf18("10","9","10","2","3","5","1") = "9"
    & skf18("10","9","10","2","3","6","1") = "9"
    & skf18("10","9","10","2","3","7","1") = "9"
    & skf18("10","9","10","2","3","8","1") = "9"
    & skf18("10","9","10","2","3","9","1") = "9"
    & skf18("10","9","10","2","3","10","1") = "9"
    & skf18("10","9","10","2","4","1","1") = "9"
    & skf18("10","9","10","2","4","2","1") = "9"
    & skf18("10","9","10","2","4","3","1") = "9"
    & skf18("10","9","10","2","4","4","1") = "9"
    & skf18("10","9","10","2","4","5","1") = "9"
    & skf18("10","9","10","2","4","6","1") = "9"
    & skf18("10","9","10","2","4","7","1") = "9"
    & skf18("10","9","10","2","4","8","1") = "9"
    & skf18("10","9","10","2","4","9","1") = "9"
    & skf18("10","9","10","2","4","10","1") = "9"
    & skf18("10","9","10","2","5","1","1") = "9"
    & skf18("10","9","10","2","5","2","1") = "9"
    & skf18("10","9","10","2","5","3","1") = "9"
    & skf18("10","9","10","2","5","4","1") = "9"
    & skf18("10","9","10","2","5","5","1") = "9"
    & skf18("10","9","10","2","5","6","1") = "9"
    & skf18("10","9","10","2","5","7","1") = "9"
    & skf18("10","9","10","2","5","8","1") = "9"
    & skf18("10","9","10","2","5","9","1") = "9"
    & skf18("10","9","10","2","5","10","1") = "9"
    & skf18("10","9","10","2","6","1","1") = "9"
    & skf18("10","9","10","2","6","2","1") = "9"
    & skf18("10","9","10","2","6","3","1") = "9"
    & skf18("10","9","10","2","6","4","1") = "9"
    & skf18("10","9","10","2","6","5","1") = "9"
    & skf18("10","9","10","2","6","6","1") = "9"
    & skf18("10","9","10","2","6","7","1") = "9"
    & skf18("10","9","10","2","6","8","1") = "9"
    & skf18("10","9","10","2","6","9","1") = "9"
    & skf18("10","9","10","2","6","10","1") = "9"
    & skf18("10","9","10","2","7","1","1") = "9"
    & skf18("10","9","10","2","7","2","1") = "9"
    & skf18("10","9","10","2","7","3","1") = "9"
    & skf18("10","9","10","2","7","4","1") = "9"
    & skf18("10","9","10","2","7","5","1") = "9"
    & skf18("10","9","10","2","7","6","1") = "9"
    & skf18("10","9","10","2","7","7","1") = "9"
    & skf18("10","9","10","2","7","8","1") = "9"
    & skf18("10","9","10","2","7","9","1") = "9"
    & skf18("10","9","10","2","7","10","1") = "9"
    & skf18("10","9","10","2","8","1","1") = "9"
    & skf18("10","9","10","2","8","2","1") = "9"
    & skf18("10","9","10","2","8","3","1") = "9"
    & skf18("10","9","10","2","8","4","1") = "9"
    & skf18("10","9","10","2","8","5","1") = "9"
    & skf18("10","9","10","2","8","6","1") = "9"
    & skf18("10","9","10","2","8","7","1") = "9"
    & skf18("10","9","10","2","8","8","1") = "9"
    & skf18("10","9","10","2","8","9","1") = "9"
    & skf18("10","9","10","2","8","10","1") = "9"
    & skf18("10","9","10","2","9","1","1") = "9"
    & skf18("10","9","10","2","9","2","1") = "9"
    & skf18("10","9","10","2","9","3","1") = "9"
    & skf18("10","9","10","2","9","4","1") = "9"
    & skf18("10","9","10","2","9","5","1") = "9"
    & skf18("10","9","10","2","9","6","1") = "9"
    & skf18("10","9","10","2","9","7","1") = "9"
    & skf18("10","9","10","2","9","8","1") = "9"
    & skf18("10","9","10","2","9","9","1") = "9"
    & skf18("10","9","10","2","9","10","1") = "9"
    & skf18("10","9","10","2","10","1","1") = "9"
    & skf18("10","9","10","2","10","2","1") = "9"
    & skf18("10","9","10","2","10","3","1") = "9"
    & skf18("10","9","10","2","10","4","1") = "9"
    & skf18("10","9","10","2","10","5","1") = "9"
    & skf18("10","9","10","2","10","6","1") = "9"
    & skf18("10","9","10","2","10","7","1") = "9"
    & skf18("10","9","10","2","10","8","1") = "9"
    & skf18("10","9","10","2","10","9","1") = "9"
    & skf18("10","9","10","2","10","10","1") = "9"
    & skf18("10","9","10","3","1","1","1") = "9"
    & skf18("10","9","10","3","1","2","1") = "9"
    & skf18("10","9","10","3","1","3","1") = "9"
    & skf18("10","9","10","3","1","4","1") = "9"
    & skf18("10","9","10","3","1","5","1") = "9"
    & skf18("10","9","10","3","1","6","1") = "9"
    & skf18("10","9","10","3","1","7","1") = "9"
    & skf18("10","9","10","3","1","8","1") = "9"
    & skf18("10","9","10","3","1","9","1") = "9"
    & skf18("10","9","10","3","1","10","1") = "9"
    & skf18("10","9","10","3","2","1","1") = "9"
    & skf18("10","9","10","3","2","2","1") = "9"
    & skf18("10","9","10","3","2","3","1") = "9"
    & skf18("10","9","10","3","2","4","1") = "9"
    & skf18("10","9","10","3","2","5","1") = "9"
    & skf18("10","9","10","3","2","6","1") = "9"
    & skf18("10","9","10","3","2","7","1") = "9"
    & skf18("10","9","10","3","2","8","1") = "9"
    & skf18("10","9","10","3","2","9","1") = "9"
    & skf18("10","9","10","3","2","10","1") = "9"
    & skf18("10","9","10","3","3","1","1") = "9"
    & skf18("10","9","10","3","3","2","1") = "9"
    & skf18("10","9","10","3","3","3","1") = "9"
    & skf18("10","9","10","3","3","4","1") = "9"
    & skf18("10","9","10","3","3","5","1") = "9"
    & skf18("10","9","10","3","3","6","1") = "9"
    & skf18("10","9","10","3","3","7","1") = "9"
    & skf18("10","9","10","3","3","8","1") = "9"
    & skf18("10","9","10","3","3","9","1") = "9"
    & skf18("10","9","10","3","3","10","1") = "9"
    & skf18("10","9","10","3","4","1","1") = "9"
    & skf18("10","9","10","3","4","2","1") = "9"
    & skf18("10","9","10","3","4","3","1") = "9"
    & skf18("10","9","10","3","4","4","1") = "9"
    & skf18("10","9","10","3","4","5","1") = "9"
    & skf18("10","9","10","3","4","6","1") = "9"
    & skf18("10","9","10","3","4","7","1") = "9"
    & skf18("10","9","10","3","4","8","1") = "9"
    & skf18("10","9","10","3","4","9","1") = "9"
    & skf18("10","9","10","3","4","10","1") = "9"
    & skf18("10","9","10","3","5","1","1") = "9"
    & skf18("10","9","10","3","5","2","1") = "9"
    & skf18("10","9","10","3","5","3","1") = "9"
    & skf18("10","9","10","3","5","4","1") = "9"
    & skf18("10","9","10","3","5","5","1") = "9"
    & skf18("10","9","10","3","5","6","1") = "9"
    & skf18("10","9","10","3","5","7","1") = "9"
    & skf18("10","9","10","3","5","8","1") = "9"
    & skf18("10","9","10","3","5","9","1") = "9"
    & skf18("10","9","10","3","5","10","1") = "9"
    & skf18("10","9","10","3","6","1","1") = "9"
    & skf18("10","9","10","3","6","2","1") = "9"
    & skf18("10","9","10","3","6","3","1") = "9"
    & skf18("10","9","10","3","6","4","1") = "9"
    & skf18("10","9","10","3","6","5","1") = "9"
    & skf18("10","9","10","3","6","6","1") = "9"
    & skf18("10","9","10","3","6","7","1") = "9"
    & skf18("10","9","10","3","6","8","1") = "9"
    & skf18("10","9","10","3","6","9","1") = "9"
    & skf18("10","9","10","3","6","10","1") = "9"
    & skf18("10","9","10","3","7","1","1") = "9"
    & skf18("10","9","10","3","7","2","1") = "9"
    & skf18("10","9","10","3","7","3","1") = "9"
    & skf18("10","9","10","3","7","4","1") = "9"
    & skf18("10","9","10","3","7","5","1") = "9"
    & skf18("10","9","10","3","7","6","1") = "9"
    & skf18("10","9","10","3","7","7","1") = "9"
    & skf18("10","9","10","3","7","8","1") = "9"
    & skf18("10","9","10","3","7","9","1") = "9"
    & skf18("10","9","10","3","7","10","1") = "9"
    & skf18("10","9","10","3","8","1","1") = "9"
    & skf18("10","9","10","3","8","2","1") = "9"
    & skf18("10","9","10","3","8","3","1") = "9"
    & skf18("10","9","10","3","8","4","1") = "9"
    & skf18("10","9","10","3","8","5","1") = "9"
    & skf18("10","9","10","3","8","6","1") = "9"
    & skf18("10","9","10","3","8","7","1") = "9"
    & skf18("10","9","10","3","8","8","1") = "9"
    & skf18("10","9","10","3","8","9","1") = "9"
    & skf18("10","9","10","3","8","10","1") = "9"
    & skf18("10","9","10","3","9","1","1") = "9"
    & skf18("10","9","10","3","9","2","1") = "9"
    & skf18("10","9","10","3","9","3","1") = "9"
    & skf18("10","9","10","3","9","4","1") = "9"
    & skf18("10","9","10","3","9","5","1") = "9"
    & skf18("10","9","10","3","9","6","1") = "9"
    & skf18("10","9","10","3","9","7","1") = "9"
    & skf18("10","9","10","3","9","8","1") = "9"
    & skf18("10","9","10","3","9","9","1") = "9"
    & skf18("10","9","10","3","9","10","1") = "9"
    & skf18("10","9","10","3","10","1","1") = "9"
    & skf18("10","9","10","3","10","2","1") = "9"
    & skf18("10","9","10","3","10","3","1") = "9"
    & skf18("10","9","10","3","10","4","1") = "9"
    & skf18("10","9","10","3","10","5","1") = "9"
    & skf18("10","9","10","3","10","6","1") = "9"
    & skf18("10","9","10","3","10","7","1") = "9"
    & skf18("10","9","10","3","10","8","1") = "9"
    & skf18("10","9","10","3","10","9","1") = "9"
    & skf18("10","9","10","3","10","10","1") = "9"
    & skf18("10","9","10","4","1","1","1") = "9"
    & skf18("10","9","10","4","1","2","1") = "9"
    & skf18("10","9","10","4","1","3","1") = "9"
    & skf18("10","9","10","4","1","4","1") = "9"
    & skf18("10","9","10","4","1","5","1") = "9"
    & skf18("10","9","10","4","1","6","1") = "9"
    & skf18("10","9","10","4","1","7","1") = "9"
    & skf18("10","9","10","4","1","8","1") = "9"
    & skf18("10","9","10","4","1","9","1") = "9"
    & skf18("10","9","10","4","1","10","1") = "9"
    & skf18("10","9","10","4","2","1","1") = "9"
    & skf18("10","9","10","4","2","2","1") = "9"
    & skf18("10","9","10","4","2","3","1") = "9"
    & skf18("10","9","10","4","2","4","1") = "9"
    & skf18("10","9","10","4","2","5","1") = "9"
    & skf18("10","9","10","4","2","6","1") = "9"
    & skf18("10","9","10","4","2","7","1") = "9"
    & skf18("10","9","10","4","2","8","1") = "9"
    & skf18("10","9","10","4","2","9","1") = "9"
    & skf18("10","9","10","4","2","10","1") = "9"
    & skf18("10","9","10","4","3","1","1") = "9"
    & skf18("10","9","10","4","3","2","1") = "9"
    & skf18("10","9","10","4","3","3","1") = "9"
    & skf18("10","9","10","4","3","4","1") = "9"
    & skf18("10","9","10","4","3","5","1") = "9"
    & skf18("10","9","10","4","3","6","1") = "9"
    & skf18("10","9","10","4","3","7","1") = "9"
    & skf18("10","9","10","4","3","8","1") = "9"
    & skf18("10","9","10","4","3","9","1") = "9"
    & skf18("10","9","10","4","3","10","1") = "9"
    & skf18("10","9","10","4","4","1","1") = "9"
    & skf18("10","9","10","4","4","2","1") = "9"
    & skf18("10","9","10","4","4","3","1") = "9"
    & skf18("10","9","10","4","4","4","1") = "9"
    & skf18("10","9","10","4","4","5","1") = "9"
    & skf18("10","9","10","4","4","6","1") = "9"
    & skf18("10","9","10","4","4","7","1") = "9"
    & skf18("10","9","10","4","4","8","1") = "9"
    & skf18("10","9","10","4","4","9","1") = "9"
    & skf18("10","9","10","4","4","10","1") = "9"
    & skf18("10","9","10","4","5","1","1") = "9"
    & skf18("10","9","10","4","5","2","1") = "9"
    & skf18("10","9","10","4","5","3","1") = "9"
    & skf18("10","9","10","4","5","4","1") = "9"
    & skf18("10","9","10","4","5","5","1") = "9"
    & skf18("10","9","10","4","5","6","1") = "9"
    & skf18("10","9","10","4","5","7","1") = "9"
    & skf18("10","9","10","4","5","8","1") = "9"
    & skf18("10","9","10","4","5","9","1") = "9"
    & skf18("10","9","10","4","5","10","1") = "9"
    & skf18("10","9","10","4","6","1","1") = "9"
    & skf18("10","9","10","4","6","2","1") = "9"
    & skf18("10","9","10","4","6","3","1") = "9"
    & skf18("10","9","10","4","6","4","1") = "9"
    & skf18("10","9","10","4","6","5","1") = "9"
    & skf18("10","9","10","4","6","6","1") = "9"
    & skf18("10","9","10","4","6","7","1") = "9"
    & skf18("10","9","10","4","6","8","1") = "9"
    & skf18("10","9","10","4","6","9","1") = "9"
    & skf18("10","9","10","4","6","10","1") = "9"
    & skf18("10","9","10","4","7","1","1") = "9"
    & skf18("10","9","10","4","7","2","1") = "9"
    & skf18("10","9","10","4","7","3","1") = "9"
    & skf18("10","9","10","4","7","4","1") = "9"
    & skf18("10","9","10","4","7","5","1") = "9"
    & skf18("10","9","10","4","7","6","1") = "9"
    & skf18("10","9","10","4","7","7","1") = "9"
    & skf18("10","9","10","4","7","8","1") = "9"
    & skf18("10","9","10","4","7","9","1") = "9"
    & skf18("10","9","10","4","7","10","1") = "9"
    & skf18("10","9","10","4","8","1","1") = "9"
    & skf18("10","9","10","4","8","2","1") = "9"
    & skf18("10","9","10","4","8","3","1") = "9"
    & skf18("10","9","10","4","8","4","1") = "9"
    & skf18("10","9","10","4","8","5","1") = "9"
    & skf18("10","9","10","4","8","6","1") = "9"
    & skf18("10","9","10","4","8","7","1") = "9"
    & skf18("10","9","10","4","8","8","1") = "9"
    & skf18("10","9","10","4","8","9","1") = "9"
    & skf18("10","9","10","4","8","10","1") = "9"
    & skf18("10","9","10","4","9","1","1") = "9"
    & skf18("10","9","10","4","9","2","1") = "9"
    & skf18("10","9","10","4","9","3","1") = "9"
    & skf18("10","9","10","4","9","4","1") = "9"
    & skf18("10","9","10","4","9","5","1") = "9"
    & skf18("10","9","10","4","9","6","1") = "9"
    & skf18("10","9","10","4","9","7","1") = "9"
    & skf18("10","9","10","4","9","8","1") = "9"
    & skf18("10","9","10","4","9","9","1") = "9"
    & skf18("10","9","10","4","9","10","1") = "9"
    & skf18("10","9","10","4","10","1","1") = "9"
    & skf18("10","9","10","4","10","2","1") = "9"
    & skf18("10","9","10","4","10","3","1") = "9"
    & skf18("10","9","10","4","10","4","1") = "9"
    & skf18("10","9","10","4","10","5","1") = "9"
    & skf18("10","9","10","4","10","6","1") = "9"
    & skf18("10","9","10","4","10","7","1") = "9"
    & skf18("10","9","10","4","10","8","1") = "9"
    & skf18("10","9","10","4","10","9","1") = "9"
    & skf18("10","9","10","4","10","10","1") = "9"
    & skf18("10","9","10","5","1","1","1") = "9"
    & skf18("10","9","10","5","1","2","1") = "9"
    & skf18("10","9","10","5","1","3","1") = "9"
    & skf18("10","9","10","5","1","4","1") = "9"
    & skf18("10","9","10","5","1","5","1") = "9"
    & skf18("10","9","10","5","1","6","1") = "9"
    & skf18("10","9","10","5","1","7","1") = "9"
    & skf18("10","9","10","5","1","8","1") = "9"
    & skf18("10","9","10","5","1","9","1") = "9"
    & skf18("10","9","10","5","1","10","1") = "9"
    & skf18("10","9","10","5","2","1","1") = "9"
    & skf18("10","9","10","5","2","2","1") = "9"
    & skf18("10","9","10","5","2","3","1") = "9"
    & skf18("10","9","10","5","2","4","1") = "9"
    & skf18("10","9","10","5","2","5","1") = "9"
    & skf18("10","9","10","5","2","6","1") = "9"
    & skf18("10","9","10","5","2","7","1") = "9"
    & skf18("10","9","10","5","2","8","1") = "9"
    & skf18("10","9","10","5","2","9","1") = "9"
    & skf18("10","9","10","5","2","10","1") = "9"
    & skf18("10","9","10","5","3","1","1") = "9"
    & skf18("10","9","10","5","3","2","1") = "9"
    & skf18("10","9","10","5","3","3","1") = "9"
    & skf18("10","9","10","5","3","4","1") = "9"
    & skf18("10","9","10","5","3","5","1") = "9"
    & skf18("10","9","10","5","3","6","1") = "9"
    & skf18("10","9","10","5","3","7","1") = "9"
    & skf18("10","9","10","5","3","8","1") = "9"
    & skf18("10","9","10","5","3","9","1") = "9"
    & skf18("10","9","10","5","3","10","1") = "9"
    & skf18("10","9","10","5","4","1","1") = "9"
    & skf18("10","9","10","5","4","2","1") = "9"
    & skf18("10","9","10","5","4","3","1") = "9"
    & skf18("10","9","10","5","4","4","1") = "9"
    & skf18("10","9","10","5","4","5","1") = "9"
    & skf18("10","9","10","5","4","6","1") = "9"
    & skf18("10","9","10","5","4","7","1") = "9"
    & skf18("10","9","10","5","4","8","1") = "9"
    & skf18("10","9","10","5","4","9","1") = "9"
    & skf18("10","9","10","5","4","10","1") = "9"
    & skf18("10","9","10","5","5","1","1") = "9"
    & skf18("10","9","10","5","5","2","1") = "9"
    & skf18("10","9","10","5","5","3","1") = "9"
    & skf18("10","9","10","5","5","4","1") = "9"
    & skf18("10","9","10","5","5","5","1") = "9"
    & skf18("10","9","10","5","5","6","1") = "9"
    & skf18("10","9","10","5","5","7","1") = "9"
    & skf18("10","9","10","5","5","8","1") = "9"
    & skf18("10","9","10","5","5","9","1") = "9"
    & skf18("10","9","10","5","5","10","1") = "9"
    & skf18("10","9","10","5","6","1","1") = "9"
    & skf18("10","9","10","5","6","2","1") = "9"
    & skf18("10","9","10","5","6","3","1") = "9"
    & skf18("10","9","10","5","6","4","1") = "9"
    & skf18("10","9","10","5","6","5","1") = "9"
    & skf18("10","9","10","5","6","6","1") = "9"
    & skf18("10","9","10","5","6","7","1") = "9"
    & skf18("10","9","10","5","6","8","1") = "9"
    & skf18("10","9","10","5","6","9","1") = "9"
    & skf18("10","9","10","5","6","10","1") = "9"
    & skf18("10","9","10","5","7","1","1") = "9"
    & skf18("10","9","10","5","7","2","1") = "9"
    & skf18("10","9","10","5","7","3","1") = "9"
    & skf18("10","9","10","5","7","4","1") = "9"
    & skf18("10","9","10","5","7","5","1") = "9"
    & skf18("10","9","10","5","7","6","1") = "9"
    & skf18("10","9","10","5","7","7","1") = "9"
    & skf18("10","9","10","5","7","8","1") = "9"
    & skf18("10","9","10","5","7","9","1") = "9"
    & skf18("10","9","10","5","7","10","1") = "9"
    & skf18("10","9","10","5","8","1","1") = "9"
    & skf18("10","9","10","5","8","2","1") = "9"
    & skf18("10","9","10","5","8","3","1") = "9"
    & skf18("10","9","10","5","8","4","1") = "9"
    & skf18("10","9","10","5","8","5","1") = "9"
    & skf18("10","9","10","5","8","6","1") = "9"
    & skf18("10","9","10","5","8","7","1") = "9"
    & skf18("10","9","10","5","8","8","1") = "9"
    & skf18("10","9","10","5","8","9","1") = "9"
    & skf18("10","9","10","5","8","10","1") = "9"
    & skf18("10","9","10","5","9","1","1") = "9"
    & skf18("10","9","10","5","9","2","1") = "9"
    & skf18("10","9","10","5","9","3","1") = "9"
    & skf18("10","9","10","5","9","4","1") = "9"
    & skf18("10","9","10","5","9","5","1") = "9"
    & skf18("10","9","10","5","9","6","1") = "9"
    & skf18("10","9","10","5","9","7","1") = "9"
    & skf18("10","9","10","5","9","8","1") = "9"
    & skf18("10","9","10","5","9","9","1") = "9"
    & skf18("10","9","10","5","9","10","1") = "9"
    & skf18("10","9","10","5","10","1","1") = "9"
    & skf18("10","9","10","5","10","2","1") = "9"
    & skf18("10","9","10","5","10","3","1") = "9"
    & skf18("10","9","10","5","10","4","1") = "9"
    & skf18("10","9","10","5","10","5","1") = "9"
    & skf18("10","9","10","5","10","6","1") = "9"
    & skf18("10","9","10","5","10","7","1") = "9"
    & skf18("10","9","10","5","10","8","1") = "9"
    & skf18("10","9","10","5","10","9","1") = "9"
    & skf18("10","9","10","5","10","10","1") = "9"
    & skf18("10","9","10","6","1","1","1") = "9"
    & skf18("10","9","10","6","1","2","1") = "9"
    & skf18("10","9","10","6","1","3","1") = "9"
    & skf18("10","9","10","6","1","4","1") = "9"
    & skf18("10","9","10","6","1","5","1") = "9"
    & skf18("10","9","10","6","1","6","1") = "9"
    & skf18("10","9","10","6","1","7","1") = "9"
    & skf18("10","9","10","6","1","8","1") = "9"
    & skf18("10","9","10","6","1","9","1") = "9"
    & skf18("10","9","10","6","1","10","1") = "9"
    & skf18("10","9","10","6","2","1","1") = "9"
    & skf18("10","9","10","6","2","2","1") = "9"
    & skf18("10","9","10","6","2","3","1") = "9"
    & skf18("10","9","10","6","2","4","1") = "9"
    & skf18("10","9","10","6","2","5","1") = "9"
    & skf18("10","9","10","6","2","6","1") = "9"
    & skf18("10","9","10","6","2","7","1") = "9"
    & skf18("10","9","10","6","2","8","1") = "9"
    & skf18("10","9","10","6","2","9","1") = "9"
    & skf18("10","9","10","6","2","10","1") = "9"
    & skf18("10","9","10","6","3","1","1") = "9"
    & skf18("10","9","10","6","3","2","1") = "9"
    & skf18("10","9","10","6","3","3","1") = "9"
    & skf18("10","9","10","6","3","4","1") = "9"
    & skf18("10","9","10","6","3","5","1") = "9"
    & skf18("10","9","10","6","3","6","1") = "9"
    & skf18("10","9","10","6","3","7","1") = "9"
    & skf18("10","9","10","6","3","8","1") = "9"
    & skf18("10","9","10","6","3","9","1") = "9"
    & skf18("10","9","10","6","3","10","1") = "9"
    & skf18("10","9","10","6","4","1","1") = "9"
    & skf18("10","9","10","6","4","2","1") = "9"
    & skf18("10","9","10","6","4","3","1") = "9"
    & skf18("10","9","10","6","4","4","1") = "9"
    & skf18("10","9","10","6","4","5","1") = "9"
    & skf18("10","9","10","6","4","6","1") = "9"
    & skf18("10","9","10","6","4","7","1") = "9"
    & skf18("10","9","10","6","4","8","1") = "9"
    & skf18("10","9","10","6","4","9","1") = "9"
    & skf18("10","9","10","6","4","10","1") = "9"
    & skf18("10","9","10","6","5","1","1") = "9"
    & skf18("10","9","10","6","5","2","1") = "9"
    & skf18("10","9","10","6","5","3","1") = "9"
    & skf18("10","9","10","6","5","4","1") = "9"
    & skf18("10","9","10","6","5","5","1") = "9"
    & skf18("10","9","10","6","5","6","1") = "9"
    & skf18("10","9","10","6","5","7","1") = "9"
    & skf18("10","9","10","6","5","8","1") = "9"
    & skf18("10","9","10","6","5","9","1") = "9"
    & skf18("10","9","10","6","5","10","1") = "9"
    & skf18("10","9","10","6","6","1","1") = "9"
    & skf18("10","9","10","6","6","2","1") = "9"
    & skf18("10","9","10","6","6","3","1") = "9"
    & skf18("10","9","10","6","6","4","1") = "9"
    & skf18("10","9","10","6","6","5","1") = "9"
    & skf18("10","9","10","6","6","6","1") = "9"
    & skf18("10","9","10","6","6","7","1") = "9"
    & skf18("10","9","10","6","6","8","1") = "9"
    & skf18("10","9","10","6","6","9","1") = "9"
    & skf18("10","9","10","6","6","10","1") = "9"
    & skf18("10","9","10","6","7","1","1") = "9"
    & skf18("10","9","10","6","7","2","1") = "9"
    & skf18("10","9","10","6","7","3","1") = "9"
    & skf18("10","9","10","6","7","4","1") = "9"
    & skf18("10","9","10","6","7","5","1") = "9"
    & skf18("10","9","10","6","7","6","1") = "9"
    & skf18("10","9","10","6","7","7","1") = "9"
    & skf18("10","9","10","6","7","8","1") = "9"
    & skf18("10","9","10","6","7","9","1") = "9"
    & skf18("10","9","10","6","7","10","1") = "9"
    & skf18("10","9","10","6","8","1","1") = "9"
    & skf18("10","9","10","6","8","2","1") = "9"
    & skf18("10","9","10","6","8","3","1") = "9"
    & skf18("10","9","10","6","8","4","1") = "9"
    & skf18("10","9","10","6","8","5","1") = "9"
    & skf18("10","9","10","6","8","6","1") = "9"
    & skf18("10","9","10","6","8","7","1") = "9"
    & skf18("10","9","10","6","8","8","1") = "9"
    & skf18("10","9","10","6","8","9","1") = "9"
    & skf18("10","9","10","6","8","10","1") = "9"
    & skf18("10","9","10","6","9","1","1") = "9"
    & skf18("10","9","10","6","9","2","1") = "9"
    & skf18("10","9","10","6","9","3","1") = "9"
    & skf18("10","9","10","6","9","4","1") = "9"
    & skf18("10","9","10","6","9","5","1") = "9"
    & skf18("10","9","10","6","9","6","1") = "9"
    & skf18("10","9","10","6","9","7","1") = "9"
    & skf18("10","9","10","6","9","8","1") = "9"
    & skf18("10","9","10","6","9","9","1") = "9"
    & skf18("10","9","10","6","9","10","1") = "9"
    & skf18("10","9","10","6","10","1","1") = "9"
    & skf18("10","9","10","6","10","2","1") = "9"
    & skf18("10","9","10","6","10","3","1") = "9"
    & skf18("10","9","10","6","10","4","1") = "9"
    & skf18("10","9","10","6","10","5","1") = "9"
    & skf18("10","9","10","6","10","6","1") = "9"
    & skf18("10","9","10","6","10","7","1") = "9"
    & skf18("10","9","10","6","10","8","1") = "9"
    & skf18("10","9","10","6","10","9","1") = "9"
    & skf18("10","9","10","6","10","10","1") = "9"
    & skf18("10","9","10","7","1","1","1") = "9"
    & skf18("10","9","10","7","1","2","1") = "9"
    & skf18("10","9","10","7","1","3","1") = "9"
    & skf18("10","9","10","7","1","4","1") = "9"
    & skf18("10","9","10","7","1","5","1") = "9"
    & skf18("10","9","10","7","1","6","1") = "9"
    & skf18("10","9","10","7","1","7","1") = "9"
    & skf18("10","9","10","7","1","8","1") = "9"
    & skf18("10","9","10","7","1","9","1") = "9"
    & skf18("10","9","10","7","1","10","1") = "9"
    & skf18("10","9","10","7","2","1","1") = "9"
    & skf18("10","9","10","7","2","2","1") = "9"
    & skf18("10","9","10","7","2","3","1") = "9"
    & skf18("10","9","10","7","2","4","1") = "9"
    & skf18("10","9","10","7","2","5","1") = "9"
    & skf18("10","9","10","7","2","6","1") = "9"
    & skf18("10","9","10","7","2","7","1") = "9"
    & skf18("10","9","10","7","2","8","1") = "9"
    & skf18("10","9","10","7","2","9","1") = "9"
    & skf18("10","9","10","7","2","10","1") = "9"
    & skf18("10","9","10","7","3","1","1") = "9"
    & skf18("10","9","10","7","3","2","1") = "9"
    & skf18("10","9","10","7","3","3","1") = "9"
    & skf18("10","9","10","7","3","4","1") = "9"
    & skf18("10","9","10","7","3","5","1") = "9"
    & skf18("10","9","10","7","3","6","1") = "9"
    & skf18("10","9","10","7","3","7","1") = "9"
    & skf18("10","9","10","7","3","8","1") = "9"
    & skf18("10","9","10","7","3","9","1") = "9"
    & skf18("10","9","10","7","3","10","1") = "9"
    & skf18("10","9","10","7","4","1","1") = "9"
    & skf18("10","9","10","7","4","2","1") = "9"
    & skf18("10","9","10","7","4","3","1") = "9"
    & skf18("10","9","10","7","4","4","1") = "9"
    & skf18("10","9","10","7","4","5","1") = "9"
    & skf18("10","9","10","7","4","6","1") = "9"
    & skf18("10","9","10","7","4","7","1") = "9"
    & skf18("10","9","10","7","4","8","1") = "9"
    & skf18("10","9","10","7","4","9","1") = "9"
    & skf18("10","9","10","7","4","10","1") = "9"
    & skf18("10","9","10","7","5","1","1") = "9"
    & skf18("10","9","10","7","5","2","1") = "9"
    & skf18("10","9","10","7","5","3","1") = "9"
    & skf18("10","9","10","7","5","4","1") = "9"
    & skf18("10","9","10","7","5","5","1") = "9"
    & skf18("10","9","10","7","5","6","1") = "9"
    & skf18("10","9","10","7","5","7","1") = "9"
    & skf18("10","9","10","7","5","8","1") = "9"
    & skf18("10","9","10","7","5","9","1") = "9"
    & skf18("10","9","10","7","5","10","1") = "9"
    & skf18("10","9","10","7","6","1","1") = "9"
    & skf18("10","9","10","7","6","2","1") = "9"
    & skf18("10","9","10","7","6","3","1") = "9"
    & skf18("10","9","10","7","6","4","1") = "9"
    & skf18("10","9","10","7","6","5","1") = "9"
    & skf18("10","9","10","7","6","6","1") = "9"
    & skf18("10","9","10","7","6","7","1") = "9"
    & skf18("10","9","10","7","6","8","1") = "9"
    & skf18("10","9","10","7","6","9","1") = "9"
    & skf18("10","9","10","7","6","10","1") = "9"
    & skf18("10","9","10","7","7","1","1") = "9"
    & skf18("10","9","10","7","7","2","1") = "9"
    & skf18("10","9","10","7","7","3","1") = "9"
    & skf18("10","9","10","7","7","4","1") = "9"
    & skf18("10","9","10","7","7","5","1") = "9"
    & skf18("10","9","10","7","7","6","1") = "9"
    & skf18("10","9","10","7","7","7","1") = "9"
    & skf18("10","9","10","7","7","8","1") = "9"
    & skf18("10","9","10","7","7","9","1") = "9"
    & skf18("10","9","10","7","7","10","1") = "9"
    & skf18("10","9","10","7","8","1","1") = "9"
    & skf18("10","9","10","7","8","2","1") = "9"
    & skf18("10","9","10","7","8","3","1") = "9"
    & skf18("10","9","10","7","8","4","1") = "9"
    & skf18("10","9","10","7","8","5","1") = "9"
    & skf18("10","9","10","7","8","6","1") = "9"
    & skf18("10","9","10","7","8","7","1") = "9"
    & skf18("10","9","10","7","8","8","1") = "9"
    & skf18("10","9","10","7","8","9","1") = "9"
    & skf18("10","9","10","7","8","10","1") = "9"
    & skf18("10","9","10","7","9","1","1") = "9"
    & skf18("10","9","10","7","9","2","1") = "9"
    & skf18("10","9","10","7","9","3","1") = "9"
    & skf18("10","9","10","7","9","4","1") = "9"
    & skf18("10","9","10","7","9","5","1") = "9"
    & skf18("10","9","10","7","9","6","1") = "9"
    & skf18("10","9","10","7","9","7","1") = "9"
    & skf18("10","9","10","7","9","8","1") = "9"
    & skf18("10","9","10","7","9","9","1") = "9"
    & skf18("10","9","10","7","9","10","1") = "9"
    & skf18("10","9","10","7","10","1","1") = "9"
    & skf18("10","9","10","7","10","2","1") = "9"
    & skf18("10","9","10","7","10","3","1") = "9"
    & skf18("10","9","10","7","10","4","1") = "9"
    & skf18("10","9","10","7","10","5","1") = "9"
    & skf18("10","9","10","7","10","6","1") = "9"
    & skf18("10","9","10","7","10","7","1") = "9"
    & skf18("10","9","10","7","10","8","1") = "9"
    & skf18("10","9","10","7","10","9","1") = "9"
    & skf18("10","9","10","7","10","10","1") = "9"
    & skf18("10","9","10","8","1","1","1") = "9"
    & skf18("10","9","10","8","1","2","1") = "9"
    & skf18("10","9","10","8","1","3","1") = "9"
    & skf18("10","9","10","8","1","4","1") = "9"
    & skf18("10","9","10","8","1","5","1") = "9"
    & skf18("10","9","10","8","1","6","1") = "9"
    & skf18("10","9","10","8","1","7","1") = "9"
    & skf18("10","9","10","8","1","8","1") = "9"
    & skf18("10","9","10","8","1","9","1") = "9"
    & skf18("10","9","10","8","1","10","1") = "9"
    & skf18("10","9","10","8","2","1","1") = "9"
    & skf18("10","9","10","8","2","2","1") = "9"
    & skf18("10","9","10","8","2","3","1") = "9"
    & skf18("10","9","10","8","2","4","1") = "9"
    & skf18("10","9","10","8","2","5","1") = "9"
    & skf18("10","9","10","8","2","6","1") = "9"
    & skf18("10","9","10","8","2","7","1") = "9"
    & skf18("10","9","10","8","2","8","1") = "9"
    & skf18("10","9","10","8","2","9","1") = "9"
    & skf18("10","9","10","8","2","10","1") = "9"
    & skf18("10","9","10","8","3","1","1") = "9"
    & skf18("10","9","10","8","3","2","1") = "9"
    & skf18("10","9","10","8","3","3","1") = "9"
    & skf18("10","9","10","8","3","4","1") = "9"
    & skf18("10","9","10","8","3","5","1") = "9"
    & skf18("10","9","10","8","3","6","1") = "9"
    & skf18("10","9","10","8","3","7","1") = "9"
    & skf18("10","9","10","8","3","8","1") = "9"
    & skf18("10","9","10","8","3","9","1") = "9"
    & skf18("10","9","10","8","3","10","1") = "9"
    & skf18("10","9","10","8","4","1","1") = "9"
    & skf18("10","9","10","8","4","2","1") = "9"
    & skf18("10","9","10","8","4","3","1") = "9"
    & skf18("10","9","10","8","4","4","1") = "9"
    & skf18("10","9","10","8","4","5","1") = "9"
    & skf18("10","9","10","8","4","6","1") = "9"
    & skf18("10","9","10","8","4","7","1") = "9"
    & skf18("10","9","10","8","4","8","1") = "9"
    & skf18("10","9","10","8","4","9","1") = "9"
    & skf18("10","9","10","8","4","10","1") = "9"
    & skf18("10","9","10","8","5","1","1") = "9"
    & skf18("10","9","10","8","5","2","1") = "9"
    & skf18("10","9","10","8","5","3","1") = "9"
    & skf18("10","9","10","8","5","4","1") = "9"
    & skf18("10","9","10","8","5","5","1") = "9"
    & skf18("10","9","10","8","5","6","1") = "9"
    & skf18("10","9","10","8","5","7","1") = "9"
    & skf18("10","9","10","8","5","8","1") = "9"
    & skf18("10","9","10","8","5","9","1") = "9"
    & skf18("10","9","10","8","5","10","1") = "9"
    & skf18("10","9","10","8","6","1","1") = "9"
    & skf18("10","9","10","8","6","2","1") = "9"
    & skf18("10","9","10","8","6","3","1") = "9"
    & skf18("10","9","10","8","6","4","1") = "9"
    & skf18("10","9","10","8","6","5","1") = "9"
    & skf18("10","9","10","8","6","6","1") = "9"
    & skf18("10","9","10","8","6","7","1") = "9"
    & skf18("10","9","10","8","6","8","1") = "9"
    & skf18("10","9","10","8","6","9","1") = "9"
    & skf18("10","9","10","8","6","10","1") = "9"
    & skf18("10","9","10","8","7","1","1") = "9"
    & skf18("10","9","10","8","7","2","1") = "9"
    & skf18("10","9","10","8","7","3","1") = "9"
    & skf18("10","9","10","8","7","4","1") = "9"
    & skf18("10","9","10","8","7","5","1") = "9"
    & skf18("10","9","10","8","7","6","1") = "9"
    & skf18("10","9","10","8","7","7","1") = "9"
    & skf18("10","9","10","8","7","8","1") = "9"
    & skf18("10","9","10","8","7","9","1") = "9"
    & skf18("10","9","10","8","7","10","1") = "9"
    & skf18("10","9","10","8","8","1","1") = "9"
    & skf18("10","9","10","8","8","2","1") = "9"
    & skf18("10","9","10","8","8","3","1") = "9"
    & skf18("10","9","10","8","8","4","1") = "9"
    & skf18("10","9","10","8","8","5","1") = "9"
    & skf18("10","9","10","8","8","6","1") = "9"
    & skf18("10","9","10","8","8","7","1") = "9"
    & skf18("10","9","10","8","8","8","1") = "9"
    & skf18("10","9","10","8","8","9","1") = "9"
    & skf18("10","9","10","8","8","10","1") = "9"
    & skf18("10","9","10","8","9","1","1") = "9"
    & skf18("10","9","10","8","9","2","1") = "9"
    & skf18("10","9","10","8","9","3","1") = "9"
    & skf18("10","9","10","8","9","4","1") = "9"
    & skf18("10","9","10","8","9","5","1") = "9"
    & skf18("10","9","10","8","9","6","1") = "9"
    & skf18("10","9","10","8","9","7","1") = "9"
    & skf18("10","9","10","8","9","8","1") = "9"
    & skf18("10","9","10","8","9","9","1") = "9"
    & skf18("10","9","10","8","9","10","1") = "9"
    & skf18("10","9","10","8","10","1","1") = "9"
    & skf18("10","9","10","8","10","2","1") = "9"
    & skf18("10","9","10","8","10","3","1") = "9"
    & skf18("10","9","10","8","10","4","1") = "9"
    & skf18("10","9","10","8","10","5","1") = "9"
    & skf18("10","9","10","8","10","6","1") = "9"
    & skf18("10","9","10","8","10","7","1") = "9"
    & skf18("10","9","10","8","10","8","1") = "9"
    & skf18("10","9","10","8","10","9","1") = "9"
    & skf18("10","9","10","8","10","10","1") = "9"
    & skf18("10","9","10","9","1","1","1") = "9"
    & skf18("10","9","10","9","1","2","1") = "9"
    & skf18("10","9","10","9","1","3","1") = "9"
    & skf18("10","9","10","9","1","4","1") = "9"
    & skf18("10","9","10","9","1","5","1") = "9"
    & skf18("10","9","10","9","1","6","1") = "9"
    & skf18("10","9","10","9","1","7","1") = "9"
    & skf18("10","9","10","9","1","8","1") = "9"
    & skf18("10","9","10","9","1","9","1") = "9"
    & skf18("10","9","10","9","1","10","1") = "9"
    & skf18("10","9","10","9","2","1","1") = "9"
    & skf18("10","9","10","9","2","2","1") = "9"
    & skf18("10","9","10","9","2","3","1") = "9"
    & skf18("10","9","10","9","2","4","1") = "9"
    & skf18("10","9","10","9","2","5","1") = "9"
    & skf18("10","9","10","9","2","6","1") = "9"
    & skf18("10","9","10","9","2","7","1") = "9"
    & skf18("10","9","10","9","2","8","1") = "9"
    & skf18("10","9","10","9","2","9","1") = "9"
    & skf18("10","9","10","9","2","10","1") = "9"
    & skf18("10","9","10","9","3","1","1") = "9"
    & skf18("10","9","10","9","3","2","1") = "9"
    & skf18("10","9","10","9","3","3","1") = "9"
    & skf18("10","9","10","9","3","4","1") = "9"
    & skf18("10","9","10","9","3","5","1") = "9"
    & skf18("10","9","10","9","3","6","1") = "9"
    & skf18("10","9","10","9","3","7","1") = "9"
    & skf18("10","9","10","9","3","8","1") = "9"
    & skf18("10","9","10","9","3","9","1") = "9"
    & skf18("10","9","10","9","3","10","1") = "9"
    & skf18("10","9","10","9","4","1","1") = "9"
    & skf18("10","9","10","9","4","2","1") = "9"
    & skf18("10","9","10","9","4","3","1") = "9"
    & skf18("10","9","10","9","4","4","1") = "9"
    & skf18("10","9","10","9","4","5","1") = "9"
    & skf18("10","9","10","9","4","6","1") = "9"
    & skf18("10","9","10","9","4","7","1") = "9"
    & skf18("10","9","10","9","4","8","1") = "9"
    & skf18("10","9","10","9","4","9","1") = "9"
    & skf18("10","9","10","9","4","10","1") = "9"
    & skf18("10","9","10","9","5","1","1") = "9"
    & skf18("10","9","10","9","5","2","1") = "9"
    & skf18("10","9","10","9","5","3","1") = "9"
    & skf18("10","9","10","9","5","4","1") = "9"
    & skf18("10","9","10","9","5","5","1") = "9"
    & skf18("10","9","10","9","5","6","1") = "9"
    & skf18("10","9","10","9","5","7","1") = "9"
    & skf18("10","9","10","9","5","8","1") = "9"
    & skf18("10","9","10","9","5","9","1") = "9"
    & skf18("10","9","10","9","5","10","1") = "9"
    & skf18("10","9","10","9","6","1","1") = "9"
    & skf18("10","9","10","9","6","2","1") = "9"
    & skf18("10","9","10","9","6","3","1") = "9"
    & skf18("10","9","10","9","6","4","1") = "9"
    & skf18("10","9","10","9","6","5","1") = "9"
    & skf18("10","9","10","9","6","6","1") = "9"
    & skf18("10","9","10","9","6","7","1") = "9"
    & skf18("10","9","10","9","6","8","1") = "9"
    & skf18("10","9","10","9","6","9","1") = "9"
    & skf18("10","9","10","9","6","10","1") = "9"
    & skf18("10","9","10","9","7","1","1") = "9"
    & skf18("10","9","10","9","7","2","1") = "9"
    & skf18("10","9","10","9","7","3","1") = "9"
    & skf18("10","9","10","9","7","4","1") = "9"
    & skf18("10","9","10","9","7","5","1") = "9"
    & skf18("10","9","10","9","7","6","1") = "9"
    & skf18("10","9","10","9","7","7","1") = "9"
    & skf18("10","9","10","9","7","8","1") = "9"
    & skf18("10","9","10","9","7","9","1") = "9"
    & skf18("10","9","10","9","7","10","1") = "9"
    & skf18("10","9","10","9","8","1","1") = "9"
    & skf18("10","9","10","9","8","2","1") = "9"
    & skf18("10","9","10","9","8","3","1") = "9"
    & skf18("10","9","10","9","8","4","1") = "9"
    & skf18("10","9","10","9","8","5","1") = "9"
    & skf18("10","9","10","9","8","6","1") = "9"
    & skf18("10","9","10","9","8","7","1") = "9"
    & skf18("10","9","10","9","8","8","1") = "9"
    & skf18("10","9","10","9","8","9","1") = "9"
    & skf18("10","9","10","9","8","10","1") = "9"
    & skf18("10","9","10","9","9","1","1") = "9"
    & skf18("10","9","10","9","9","2","1") = "9"
    & skf18("10","9","10","9","9","3","1") = "9"
    & skf18("10","9","10","9","9","4","1") = "9"
    & skf18("10","9","10","9","9","5","1") = "9"
    & skf18("10","9","10","9","9","6","1") = "9"
    & skf18("10","9","10","9","9","7","1") = "9"
    & skf18("10","9","10","9","9","8","1") = "9"
    & skf18("10","9","10","9","9","9","1") = "9"
    & skf18("10","9","10","9","9","10","1") = "9"
    & skf18("10","9","10","9","10","1","1") = "9"
    & skf18("10","9","10","9","10","2","1") = "9"
    & skf18("10","9","10","9","10","3","1") = "9"
    & skf18("10","9","10","9","10","4","1") = "9"
    & skf18("10","9","10","9","10","5","1") = "9"
    & skf18("10","9","10","9","10","6","1") = "9"
    & skf18("10","9","10","9","10","7","1") = "9"
    & skf18("10","9","10","9","10","8","1") = "9"
    & skf18("10","9","10","9","10","9","1") = "9"
    & skf18("10","9","10","9","10","10","1") = "9"
    & skf18("10","9","10","10","1","1","1") = "9"
    & skf18("10","9","10","10","1","2","1") = "9"
    & skf18("10","9","10","10","1","3","1") = "9"
    & skf18("10","9","10","10","1","4","1") = "9"
    & skf18("10","9","10","10","1","5","1") = "9"
    & skf18("10","9","10","10","1","6","1") = "9"
    & skf18("10","9","10","10","1","7","1") = "9"
    & skf18("10","9","10","10","1","8","1") = "9"
    & skf18("10","9","10","10","1","9","1") = "9"
    & skf18("10","9","10","10","1","10","1") = "9"
    & skf18("10","9","10","10","2","1","1") = "9"
    & skf18("10","9","10","10","2","2","1") = "9"
    & skf18("10","9","10","10","2","3","1") = "9"
    & skf18("10","9","10","10","2","4","1") = "9"
    & skf18("10","9","10","10","2","5","1") = "9"
    & skf18("10","9","10","10","2","6","1") = "9"
    & skf18("10","9","10","10","2","7","1") = "9"
    & skf18("10","9","10","10","2","8","1") = "9"
    & skf18("10","9","10","10","2","9","1") = "9"
    & skf18("10","9","10","10","2","10","1") = "9"
    & skf18("10","9","10","10","3","1","1") = "9"
    & skf18("10","9","10","10","3","2","1") = "9"
    & skf18("10","9","10","10","3","3","1") = "9"
    & skf18("10","9","10","10","3","4","1") = "9"
    & skf18("10","9","10","10","3","5","1") = "9"
    & skf18("10","9","10","10","3","6","1") = "9"
    & skf18("10","9","10","10","3","7","1") = "9"
    & skf18("10","9","10","10","3","8","1") = "9"
    & skf18("10","9","10","10","3","9","1") = "9"
    & skf18("10","9","10","10","3","10","1") = "9"
    & skf18("10","9","10","10","4","1","1") = "9"
    & skf18("10","9","10","10","4","2","1") = "9"
    & skf18("10","9","10","10","4","3","1") = "9"
    & skf18("10","9","10","10","4","4","1") = "9"
    & skf18("10","9","10","10","4","5","1") = "9"
    & skf18("10","9","10","10","4","6","1") = "9"
    & skf18("10","9","10","10","4","7","1") = "9"
    & skf18("10","9","10","10","4","8","1") = "9"
    & skf18("10","9","10","10","4","9","1") = "9"
    & skf18("10","9","10","10","4","10","1") = "9"
    & skf18("10","9","10","10","5","1","1") = "9"
    & skf18("10","9","10","10","5","2","1") = "9"
    & skf18("10","9","10","10","5","3","1") = "9"
    & skf18("10","9","10","10","5","4","1") = "9"
    & skf18("10","9","10","10","5","5","1") = "9"
    & skf18("10","9","10","10","5","6","1") = "9"
    & skf18("10","9","10","10","5","7","1") = "9"
    & skf18("10","9","10","10","5","8","1") = "9"
    & skf18("10","9","10","10","5","9","1") = "9"
    & skf18("10","9","10","10","5","10","1") = "9"
    & skf18("10","9","10","10","6","1","1") = "9"
    & skf18("10","9","10","10","6","2","1") = "9"
    & skf18("10","9","10","10","6","3","1") = "9"
    & skf18("10","9","10","10","6","4","1") = "9"
    & skf18("10","9","10","10","6","5","1") = "9"
    & skf18("10","9","10","10","6","6","1") = "9"
    & skf18("10","9","10","10","6","7","1") = "9"
    & skf18("10","9","10","10","6","8","1") = "9"
    & skf18("10","9","10","10","6","9","1") = "9"
    & skf18("10","9","10","10","6","10","1") = "9"
    & skf18("10","9","10","10","7","1","1") = "9"
    & skf18("10","9","10","10","7","2","1") = "9"
    & skf18("10","9","10","10","7","3","1") = "9"
    & skf18("10","9","10","10","7","4","1") = "9"
    & skf18("10","9","10","10","7","5","1") = "9"
    & skf18("10","9","10","10","7","6","1") = "9"
    & skf18("10","9","10","10","7","7","1") = "9"
    & skf18("10","9","10","10","7","8","1") = "9"
    & skf18("10","9","10","10","7","9","1") = "9"
    & skf18("10","9","10","10","7","10","1") = "9"
    & skf18("10","9","10","10","8","1","1") = "9"
    & skf18("10","9","10","10","8","2","1") = "9"
    & skf18("10","9","10","10","8","3","1") = "9"
    & skf18("10","9","10","10","8","4","1") = "9"
    & skf18("10","9","10","10","8","5","1") = "9"
    & skf18("10","9","10","10","8","6","1") = "9"
    & skf18("10","9","10","10","8","7","1") = "9"
    & skf18("10","9","10","10","8","8","1") = "9"
    & skf18("10","9","10","10","8","9","1") = "9"
    & skf18("10","9","10","10","8","10","1") = "9"
    & skf18("10","9","10","10","9","1","1") = "9"
    & skf18("10","9","10","10","9","2","1") = "9"
    & skf18("10","9","10","10","9","3","1") = "9"
    & skf18("10","9","10","10","9","4","1") = "9"
    & skf18("10","9","10","10","9","5","1") = "9"
    & skf18("10","9","10","10","9","6","1") = "9"
    & skf18("10","9","10","10","9","7","1") = "9"
    & skf18("10","9","10","10","9","8","1") = "9"
    & skf18("10","9","10","10","9","9","1") = "9"
    & skf18("10","9","10","10","9","10","1") = "9"
    & skf18("10","9","10","10","10","1","1") = "9"
    & skf18("10","9","10","10","10","2","1") = "9"
    & skf18("10","9","10","10","10","3","1") = "9"
    & skf18("10","9","10","10","10","4","1") = "9"
    & skf18("10","9","10","10","10","5","1") = "9"
    & skf18("10","9","10","10","10","6","1") = "9"
    & skf18("10","9","10","10","10","7","1") = "9"
    & skf18("10","9","10","10","10","8","1") = "9"
    & skf18("10","9","10","10","10","9","1") = "9"
    & skf18("10","9","10","10","10","10","1") = "9"
    & skf18("10","10","1","1","1","1","1") = "9"
    & skf18("10","10","1","1","1","2","1") = "9"
    & skf18("10","10","1","1","1","3","1") = "9"
    & skf18("10","10","1","1","1","4","1") = "9"
    & skf18("10","10","1","1","1","5","1") = "9"
    & skf18("10","10","1","1","1","6","1") = "9"
    & skf18("10","10","1","1","1","7","1") = "9"
    & skf18("10","10","1","1","1","8","1") = "9"
    & skf18("10","10","1","1","1","9","1") = "9"
    & skf18("10","10","1","1","1","10","1") = "9"
    & skf18("10","10","1","1","2","1","1") = "9"
    & skf18("10","10","1","1","2","2","1") = "9"
    & skf18("10","10","1","1","2","3","1") = "9"
    & skf18("10","10","1","1","2","4","1") = "9"
    & skf18("10","10","1","1","2","5","1") = "9"
    & skf18("10","10","1","1","2","6","1") = "9"
    & skf18("10","10","1","1","2","7","1") = "9"
    & skf18("10","10","1","1","2","8","1") = "9"
    & skf18("10","10","1","1","2","9","1") = "9"
    & skf18("10","10","1","1","2","10","1") = "9"
    & skf18("10","10","1","1","3","1","1") = "9"
    & skf18("10","10","1","1","3","2","1") = "9"
    & skf18("10","10","1","1","3","3","1") = "9"
    & skf18("10","10","1","1","3","4","1") = "9"
    & skf18("10","10","1","1","3","5","1") = "9"
    & skf18("10","10","1","1","3","6","1") = "9"
    & skf18("10","10","1","1","3","7","1") = "9"
    & skf18("10","10","1","1","3","8","1") = "9"
    & skf18("10","10","1","1","3","9","1") = "9"
    & skf18("10","10","1","1","3","10","1") = "9"
    & skf18("10","10","1","1","4","1","1") = "9"
    & skf18("10","10","1","1","4","2","1") = "9"
    & skf18("10","10","1","1","4","3","1") = "9"
    & skf18("10","10","1","1","4","4","1") = "9"
    & skf18("10","10","1","1","4","5","1") = "9"
    & skf18("10","10","1","1","4","6","1") = "9"
    & skf18("10","10","1","1","4","7","1") = "9"
    & skf18("10","10","1","1","4","8","1") = "9"
    & skf18("10","10","1","1","4","9","1") = "9"
    & skf18("10","10","1","1","4","10","1") = "9"
    & skf18("10","10","1","1","5","1","1") = "9"
    & skf18("10","10","1","1","5","2","1") = "9"
    & skf18("10","10","1","1","5","3","1") = "9"
    & skf18("10","10","1","1","5","4","1") = "9"
    & skf18("10","10","1","1","5","5","1") = "9"
    & skf18("10","10","1","1","5","6","1") = "9"
    & skf18("10","10","1","1","5","7","1") = "9"
    & skf18("10","10","1","1","5","8","1") = "9"
    & skf18("10","10","1","1","5","9","1") = "9"
    & skf18("10","10","1","1","5","10","1") = "9"
    & skf18("10","10","1","1","6","1","1") = "9"
    & skf18("10","10","1","1","6","2","1") = "9"
    & skf18("10","10","1","1","6","3","1") = "9"
    & skf18("10","10","1","1","6","4","1") = "9"
    & skf18("10","10","1","1","6","5","1") = "9"
    & skf18("10","10","1","1","6","6","1") = "9"
    & skf18("10","10","1","1","6","7","1") = "9"
    & skf18("10","10","1","1","6","8","1") = "9"
    & skf18("10","10","1","1","6","9","1") = "9"
    & skf18("10","10","1","1","6","10","1") = "9"
    & skf18("10","10","1","1","7","1","1") = "9"
    & skf18("10","10","1","1","7","2","1") = "9"
    & skf18("10","10","1","1","7","3","1") = "9"
    & skf18("10","10","1","1","7","4","1") = "9"
    & skf18("10","10","1","1","7","5","1") = "9"
    & skf18("10","10","1","1","7","6","1") = "9"
    & skf18("10","10","1","1","7","7","1") = "9"
    & skf18("10","10","1","1","7","8","1") = "9"
    & skf18("10","10","1","1","7","9","1") = "9"
    & skf18("10","10","1","1","7","10","1") = "9"
    & skf18("10","10","1","1","8","1","1") = "9"
    & skf18("10","10","1","1","8","2","1") = "9"
    & skf18("10","10","1","1","8","3","1") = "9"
    & skf18("10","10","1","1","8","4","1") = "9"
    & skf18("10","10","1","1","8","5","1") = "9"
    & skf18("10","10","1","1","8","6","1") = "9"
    & skf18("10","10","1","1","8","7","1") = "9"
    & skf18("10","10","1","1","8","8","1") = "9"
    & skf18("10","10","1","1","8","9","1") = "9"
    & skf18("10","10","1","1","8","10","1") = "9"
    & skf18("10","10","1","1","9","1","1") = "9"
    & skf18("10","10","1","1","9","2","1") = "9"
    & skf18("10","10","1","1","9","3","1") = "9"
    & skf18("10","10","1","1","9","4","1") = "9"
    & skf18("10","10","1","1","9","5","1") = "9"
    & skf18("10","10","1","1","9","6","1") = "9"
    & skf18("10","10","1","1","9","7","1") = "9"
    & skf18("10","10","1","1","9","8","1") = "9"
    & skf18("10","10","1","1","9","9","1") = "9"
    & skf18("10","10","1","1","9","10","1") = "9"
    & skf18("10","10","1","1","10","1","1") = "9"
    & skf18("10","10","1","1","10","2","1") = "9"
    & skf18("10","10","1","1","10","3","1") = "9"
    & skf18("10","10","1","1","10","4","1") = "9"
    & skf18("10","10","1","1","10","5","1") = "9"
    & skf18("10","10","1","1","10","6","1") = "9"
    & skf18("10","10","1","1","10","7","1") = "9"
    & skf18("10","10","1","1","10","8","1") = "9"
    & skf18("10","10","1","1","10","9","1") = "9"
    & skf18("10","10","1","1","10","10","1") = "9"
    & skf18("10","10","1","2","1","1","1") = "9"
    & skf18("10","10","1","2","1","2","1") = "9"
    & skf18("10","10","1","2","1","3","1") = "9"
    & skf18("10","10","1","2","1","4","1") = "9"
    & skf18("10","10","1","2","1","5","1") = "9"
    & skf18("10","10","1","2","1","6","1") = "9"
    & skf18("10","10","1","2","1","7","1") = "9"
    & skf18("10","10","1","2","1","8","1") = "9"
    & skf18("10","10","1","2","1","9","1") = "9"
    & skf18("10","10","1","2","1","10","1") = "9"
    & skf18("10","10","1","2","2","1","1") = "9"
    & skf18("10","10","1","2","2","2","1") = "9"
    & skf18("10","10","1","2","2","3","1") = "9"
    & skf18("10","10","1","2","2","4","1") = "9"
    & skf18("10","10","1","2","2","5","1") = "9"
    & skf18("10","10","1","2","2","6","1") = "9"
    & skf18("10","10","1","2","2","7","1") = "9"
    & skf18("10","10","1","2","2","8","1") = "9"
    & skf18("10","10","1","2","2","9","1") = "9"
    & skf18("10","10","1","2","2","10","1") = "9"
    & skf18("10","10","1","2","3","1","1") = "9"
    & skf18("10","10","1","2","3","2","1") = "9"
    & skf18("10","10","1","2","3","3","1") = "9"
    & skf18("10","10","1","2","3","4","1") = "9"
    & skf18("10","10","1","2","3","5","1") = "9"
    & skf18("10","10","1","2","3","6","1") = "9"
    & skf18("10","10","1","2","3","7","1") = "9"
    & skf18("10","10","1","2","3","8","1") = "9"
    & skf18("10","10","1","2","3","9","1") = "9"
    & skf18("10","10","1","2","3","10","1") = "9"
    & skf18("10","10","1","2","4","1","1") = "9"
    & skf18("10","10","1","2","4","2","1") = "9"
    & skf18("10","10","1","2","4","3","1") = "9"
    & skf18("10","10","1","2","4","4","1") = "9"
    & skf18("10","10","1","2","4","5","1") = "9"
    & skf18("10","10","1","2","4","6","1") = "9"
    & skf18("10","10","1","2","4","7","1") = "9"
    & skf18("10","10","1","2","4","8","1") = "9"
    & skf18("10","10","1","2","4","9","1") = "9"
    & skf18("10","10","1","2","4","10","1") = "9"
    & skf18("10","10","1","2","5","1","1") = "9"
    & skf18("10","10","1","2","5","2","1") = "9"
    & skf18("10","10","1","2","5","3","1") = "9"
    & skf18("10","10","1","2","5","4","1") = "9"
    & skf18("10","10","1","2","5","5","1") = "9"
    & skf18("10","10","1","2","5","6","1") = "9"
    & skf18("10","10","1","2","5","7","1") = "9"
    & skf18("10","10","1","2","5","8","1") = "9"
    & skf18("10","10","1","2","5","9","1") = "9"
    & skf18("10","10","1","2","5","10","1") = "9"
    & skf18("10","10","1","2","6","1","1") = "9"
    & skf18("10","10","1","2","6","2","1") = "9"
    & skf18("10","10","1","2","6","3","1") = "9"
    & skf18("10","10","1","2","6","4","1") = "9"
    & skf18("10","10","1","2","6","5","1") = "9"
    & skf18("10","10","1","2","6","6","1") = "9"
    & skf18("10","10","1","2","6","7","1") = "9"
    & skf18("10","10","1","2","6","8","1") = "9"
    & skf18("10","10","1","2","6","9","1") = "9"
    & skf18("10","10","1","2","6","10","1") = "9"
    & skf18("10","10","1","2","7","1","1") = "9"
    & skf18("10","10","1","2","7","2","1") = "9"
    & skf18("10","10","1","2","7","3","1") = "9"
    & skf18("10","10","1","2","7","4","1") = "9"
    & skf18("10","10","1","2","7","5","1") = "9"
    & skf18("10","10","1","2","7","6","1") = "9"
    & skf18("10","10","1","2","7","7","1") = "9"
    & skf18("10","10","1","2","7","8","1") = "9"
    & skf18("10","10","1","2","7","9","1") = "9"
    & skf18("10","10","1","2","7","10","1") = "9"
    & skf18("10","10","1","2","8","1","1") = "9"
    & skf18("10","10","1","2","8","2","1") = "9"
    & skf18("10","10","1","2","8","3","1") = "9"
    & skf18("10","10","1","2","8","4","1") = "9"
    & skf18("10","10","1","2","8","5","1") = "9"
    & skf18("10","10","1","2","8","6","1") = "9"
    & skf18("10","10","1","2","8","7","1") = "9"
    & skf18("10","10","1","2","8","8","1") = "9"
    & skf18("10","10","1","2","8","9","1") = "9"
    & skf18("10","10","1","2","8","10","1") = "9"
    & skf18("10","10","1","2","9","1","1") = "9"
    & skf18("10","10","1","2","9","2","1") = "9"
    & skf18("10","10","1","2","9","3","1") = "9"
    & skf18("10","10","1","2","9","4","1") = "9"
    & skf18("10","10","1","2","9","5","1") = "9"
    & skf18("10","10","1","2","9","6","1") = "9"
    & skf18("10","10","1","2","9","7","1") = "9"
    & skf18("10","10","1","2","9","8","1") = "9"
    & skf18("10","10","1","2","9","9","1") = "9"
    & skf18("10","10","1","2","9","10","1") = "9"
    & skf18("10","10","1","2","10","1","1") = "9"
    & skf18("10","10","1","2","10","2","1") = "9"
    & skf18("10","10","1","2","10","3","1") = "9"
    & skf18("10","10","1","2","10","4","1") = "9"
    & skf18("10","10","1","2","10","5","1") = "9"
    & skf18("10","10","1","2","10","6","1") = "9"
    & skf18("10","10","1","2","10","7","1") = "9"
    & skf18("10","10","1","2","10","8","1") = "9"
    & skf18("10","10","1","2","10","9","1") = "9"
    & skf18("10","10","1","2","10","10","1") = "9"
    & skf18("10","10","1","3","1","1","1") = "9"
    & skf18("10","10","1","3","1","2","1") = "9"
    & skf18("10","10","1","3","1","3","1") = "9"
    & skf18("10","10","1","3","1","4","1") = "9"
    & skf18("10","10","1","3","1","5","1") = "9"
    & skf18("10","10","1","3","1","6","1") = "9"
    & skf18("10","10","1","3","1","7","1") = "9"
    & skf18("10","10","1","3","1","8","1") = "9"
    & skf18("10","10","1","3","1","9","1") = "9"
    & skf18("10","10","1","3","1","10","1") = "9"
    & skf18("10","10","1","3","2","1","1") = "9"
    & skf18("10","10","1","3","2","2","1") = "9"
    & skf18("10","10","1","3","2","3","1") = "9"
    & skf18("10","10","1","3","2","4","1") = "9"
    & skf18("10","10","1","3","2","5","1") = "9"
    & skf18("10","10","1","3","2","6","1") = "9"
    & skf18("10","10","1","3","2","7","1") = "9"
    & skf18("10","10","1","3","2","8","1") = "9"
    & skf18("10","10","1","3","2","9","1") = "9"
    & skf18("10","10","1","3","2","10","1") = "9"
    & skf18("10","10","1","3","3","1","1") = "9"
    & skf18("10","10","1","3","3","2","1") = "9"
    & skf18("10","10","1","3","3","3","1") = "9"
    & skf18("10","10","1","3","3","4","1") = "9"
    & skf18("10","10","1","3","3","5","1") = "9"
    & skf18("10","10","1","3","3","6","1") = "9"
    & skf18("10","10","1","3","3","7","1") = "9"
    & skf18("10","10","1","3","3","8","1") = "9"
    & skf18("10","10","1","3","3","9","1") = "9"
    & skf18("10","10","1","3","3","10","1") = "9"
    & skf18("10","10","1","3","4","1","1") = "9"
    & skf18("10","10","1","3","4","2","1") = "9"
    & skf18("10","10","1","3","4","3","1") = "9"
    & skf18("10","10","1","3","4","4","1") = "9"
    & skf18("10","10","1","3","4","5","1") = "9"
    & skf18("10","10","1","3","4","6","1") = "9"
    & skf18("10","10","1","3","4","7","1") = "9"
    & skf18("10","10","1","3","4","8","1") = "9"
    & skf18("10","10","1","3","4","9","1") = "9"
    & skf18("10","10","1","3","4","10","1") = "9"
    & skf18("10","10","1","3","5","1","1") = "9"
    & skf18("10","10","1","3","5","2","1") = "9"
    & skf18("10","10","1","3","5","3","1") = "9"
    & skf18("10","10","1","3","5","4","1") = "9"
    & skf18("10","10","1","3","5","5","1") = "9"
    & skf18("10","10","1","3","5","6","1") = "9"
    & skf18("10","10","1","3","5","7","1") = "9"
    & skf18("10","10","1","3","5","8","1") = "9"
    & skf18("10","10","1","3","5","9","1") = "9"
    & skf18("10","10","1","3","5","10","1") = "9"
    & skf18("10","10","1","3","6","1","1") = "9"
    & skf18("10","10","1","3","6","2","1") = "9"
    & skf18("10","10","1","3","6","3","1") = "9"
    & skf18("10","10","1","3","6","4","1") = "9"
    & skf18("10","10","1","3","6","5","1") = "9"
    & skf18("10","10","1","3","6","6","1") = "9"
    & skf18("10","10","1","3","6","7","1") = "9"
    & skf18("10","10","1","3","6","8","1") = "9"
    & skf18("10","10","1","3","6","9","1") = "9"
    & skf18("10","10","1","3","6","10","1") = "9"
    & skf18("10","10","1","3","7","1","1") = "9"
    & skf18("10","10","1","3","7","2","1") = "9"
    & skf18("10","10","1","3","7","3","1") = "9"
    & skf18("10","10","1","3","7","4","1") = "9"
    & skf18("10","10","1","3","7","5","1") = "9"
    & skf18("10","10","1","3","7","6","1") = "9"
    & skf18("10","10","1","3","7","7","1") = "9"
    & skf18("10","10","1","3","7","8","1") = "9"
    & skf18("10","10","1","3","7","9","1") = "9"
    & skf18("10","10","1","3","7","10","1") = "9"
    & skf18("10","10","1","3","8","1","1") = "9"
    & skf18("10","10","1","3","8","2","1") = "9"
    & skf18("10","10","1","3","8","3","1") = "9"
    & skf18("10","10","1","3","8","4","1") = "9"
    & skf18("10","10","1","3","8","5","1") = "9"
    & skf18("10","10","1","3","8","6","1") = "9"
    & skf18("10","10","1","3","8","7","1") = "9"
    & skf18("10","10","1","3","8","8","1") = "9"
    & skf18("10","10","1","3","8","9","1") = "9"
    & skf18("10","10","1","3","8","10","1") = "9"
    & skf18("10","10","1","3","9","1","1") = "9"
    & skf18("10","10","1","3","9","2","1") = "9"
    & skf18("10","10","1","3","9","3","1") = "9"
    & skf18("10","10","1","3","9","4","1") = "9"
    & skf18("10","10","1","3","9","5","1") = "9"
    & skf18("10","10","1","3","9","6","1") = "9"
    & skf18("10","10","1","3","9","7","1") = "9"
    & skf18("10","10","1","3","9","8","1") = "9"
    & skf18("10","10","1","3","9","9","1") = "9"
    & skf18("10","10","1","3","9","10","1") = "9"
    & skf18("10","10","1","3","10","1","1") = "9"
    & skf18("10","10","1","3","10","2","1") = "9"
    & skf18("10","10","1","3","10","3","1") = "9"
    & skf18("10","10","1","3","10","4","1") = "9"
    & skf18("10","10","1","3","10","5","1") = "9"
    & skf18("10","10","1","3","10","6","1") = "9"
    & skf18("10","10","1","3","10","7","1") = "9"
    & skf18("10","10","1","3","10","8","1") = "9"
    & skf18("10","10","1","3","10","9","1") = "9"
    & skf18("10","10","1","3","10","10","1") = "9"
    & skf18("10","10","1","4","1","1","1") = "9"
    & skf18("10","10","1","4","1","2","1") = "9"
    & skf18("10","10","1","4","1","3","1") = "9"
    & skf18("10","10","1","4","1","4","1") = "9"
    & skf18("10","10","1","4","1","5","1") = "9"
    & skf18("10","10","1","4","1","6","1") = "9"
    & skf18("10","10","1","4","1","7","1") = "9"
    & skf18("10","10","1","4","1","8","1") = "9"
    & skf18("10","10","1","4","1","9","1") = "9"
    & skf18("10","10","1","4","1","10","1") = "9"
    & skf18("10","10","1","4","2","1","1") = "9"
    & skf18("10","10","1","4","2","2","1") = "9"
    & skf18("10","10","1","4","2","3","1") = "9"
    & skf18("10","10","1","4","2","4","1") = "9"
    & skf18("10","10","1","4","2","5","1") = "9"
    & skf18("10","10","1","4","2","6","1") = "9"
    & skf18("10","10","1","4","2","7","1") = "9"
    & skf18("10","10","1","4","2","8","1") = "9"
    & skf18("10","10","1","4","2","9","1") = "9"
    & skf18("10","10","1","4","2","10","1") = "9"
    & skf18("10","10","1","4","3","1","1") = "9"
    & skf18("10","10","1","4","3","2","1") = "9"
    & skf18("10","10","1","4","3","3","1") = "9"
    & skf18("10","10","1","4","3","4","1") = "9"
    & skf18("10","10","1","4","3","5","1") = "9"
    & skf18("10","10","1","4","3","6","1") = "9"
    & skf18("10","10","1","4","3","7","1") = "9"
    & skf18("10","10","1","4","3","8","1") = "9"
    & skf18("10","10","1","4","3","9","1") = "9"
    & skf18("10","10","1","4","3","10","1") = "9"
    & skf18("10","10","1","4","4","1","1") = "9"
    & skf18("10","10","1","4","4","2","1") = "9"
    & skf18("10","10","1","4","4","3","1") = "9"
    & skf18("10","10","1","4","4","4","1") = "9"
    & skf18("10","10","1","4","4","5","1") = "9"
    & skf18("10","10","1","4","4","6","1") = "9"
    & skf18("10","10","1","4","4","7","1") = "9"
    & skf18("10","10","1","4","4","8","1") = "9"
    & skf18("10","10","1","4","4","9","1") = "9"
    & skf18("10","10","1","4","4","10","1") = "9"
    & skf18("10","10","1","4","5","1","1") = "9"
    & skf18("10","10","1","4","5","2","1") = "9"
    & skf18("10","10","1","4","5","3","1") = "9"
    & skf18("10","10","1","4","5","4","1") = "9"
    & skf18("10","10","1","4","5","5","1") = "9"
    & skf18("10","10","1","4","5","6","1") = "9"
    & skf18("10","10","1","4","5","7","1") = "9"
    & skf18("10","10","1","4","5","8","1") = "9"
    & skf18("10","10","1","4","5","9","1") = "9"
    & skf18("10","10","1","4","5","10","1") = "9"
    & skf18("10","10","1","4","6","1","1") = "9"
    & skf18("10","10","1","4","6","2","1") = "9"
    & skf18("10","10","1","4","6","3","1") = "9"
    & skf18("10","10","1","4","6","4","1") = "9"
    & skf18("10","10","1","4","6","5","1") = "9"
    & skf18("10","10","1","4","6","6","1") = "9"
    & skf18("10","10","1","4","6","7","1") = "9"
    & skf18("10","10","1","4","6","8","1") = "9"
    & skf18("10","10","1","4","6","9","1") = "9"
    & skf18("10","10","1","4","6","10","1") = "9"
    & skf18("10","10","1","4","7","1","1") = "9"
    & skf18("10","10","1","4","7","2","1") = "9"
    & skf18("10","10","1","4","7","3","1") = "9"
    & skf18("10","10","1","4","7","4","1") = "9"
    & skf18("10","10","1","4","7","5","1") = "9"
    & skf18("10","10","1","4","7","6","1") = "9"
    & skf18("10","10","1","4","7","7","1") = "9"
    & skf18("10","10","1","4","7","8","1") = "9"
    & skf18("10","10","1","4","7","9","1") = "9"
    & skf18("10","10","1","4","7","10","1") = "9"
    & skf18("10","10","1","4","8","1","1") = "9"
    & skf18("10","10","1","4","8","2","1") = "9"
    & skf18("10","10","1","4","8","3","1") = "9"
    & skf18("10","10","1","4","8","4","1") = "9"
    & skf18("10","10","1","4","8","5","1") = "9"
    & skf18("10","10","1","4","8","6","1") = "9"
    & skf18("10","10","1","4","8","7","1") = "9"
    & skf18("10","10","1","4","8","8","1") = "9"
    & skf18("10","10","1","4","8","9","1") = "9"
    & skf18("10","10","1","4","8","10","1") = "9"
    & skf18("10","10","1","4","9","1","1") = "9"
    & skf18("10","10","1","4","9","2","1") = "9"
    & skf18("10","10","1","4","9","3","1") = "9"
    & skf18("10","10","1","4","9","4","1") = "9"
    & skf18("10","10","1","4","9","5","1") = "9"
    & skf18("10","10","1","4","9","6","1") = "9"
    & skf18("10","10","1","4","9","7","1") = "9"
    & skf18("10","10","1","4","9","8","1") = "9"
    & skf18("10","10","1","4","9","9","1") = "9"
    & skf18("10","10","1","4","9","10","1") = "9"
    & skf18("10","10","1","4","10","1","1") = "9"
    & skf18("10","10","1","4","10","2","1") = "9"
    & skf18("10","10","1","4","10","3","1") = "9"
    & skf18("10","10","1","4","10","4","1") = "9"
    & skf18("10","10","1","4","10","5","1") = "9"
    & skf18("10","10","1","4","10","6","1") = "9"
    & skf18("10","10","1","4","10","7","1") = "9"
    & skf18("10","10","1","4","10","8","1") = "9"
    & skf18("10","10","1","4","10","9","1") = "9"
    & skf18("10","10","1","4","10","10","1") = "9"
    & skf18("10","10","1","5","1","1","1") = "9"
    & skf18("10","10","1","5","1","2","1") = "9"
    & skf18("10","10","1","5","1","3","1") = "9"
    & skf18("10","10","1","5","1","4","1") = "9"
    & skf18("10","10","1","5","1","5","1") = "9"
    & skf18("10","10","1","5","1","6","1") = "9"
    & skf18("10","10","1","5","1","7","1") = "9"
    & skf18("10","10","1","5","1","8","1") = "9"
    & skf18("10","10","1","5","1","9","1") = "9"
    & skf18("10","10","1","5","1","10","1") = "9"
    & skf18("10","10","1","5","2","1","1") = "9"
    & skf18("10","10","1","5","2","2","1") = "9"
    & skf18("10","10","1","5","2","3","1") = "9"
    & skf18("10","10","1","5","2","4","1") = "9"
    & skf18("10","10","1","5","2","5","1") = "9"
    & skf18("10","10","1","5","2","6","1") = "9"
    & skf18("10","10","1","5","2","7","1") = "9"
    & skf18("10","10","1","5","2","8","1") = "9"
    & skf18("10","10","1","5","2","9","1") = "9"
    & skf18("10","10","1","5","2","10","1") = "9"
    & skf18("10","10","1","5","3","1","1") = "9"
    & skf18("10","10","1","5","3","2","1") = "9"
    & skf18("10","10","1","5","3","3","1") = "9"
    & skf18("10","10","1","5","3","4","1") = "9"
    & skf18("10","10","1","5","3","5","1") = "9"
    & skf18("10","10","1","5","3","6","1") = "9"
    & skf18("10","10","1","5","3","7","1") = "9"
    & skf18("10","10","1","5","3","8","1") = "9"
    & skf18("10","10","1","5","3","9","1") = "9"
    & skf18("10","10","1","5","3","10","1") = "9"
    & skf18("10","10","1","5","4","1","1") = "9"
    & skf18("10","10","1","5","4","2","1") = "9"
    & skf18("10","10","1","5","4","3","1") = "9"
    & skf18("10","10","1","5","4","4","1") = "9"
    & skf18("10","10","1","5","4","5","1") = "9"
    & skf18("10","10","1","5","4","6","1") = "9"
    & skf18("10","10","1","5","4","7","1") = "9"
    & skf18("10","10","1","5","4","8","1") = "9"
    & skf18("10","10","1","5","4","9","1") = "9"
    & skf18("10","10","1","5","4","10","1") = "9"
    & skf18("10","10","1","5","5","1","1") = "9"
    & skf18("10","10","1","5","5","2","1") = "9"
    & skf18("10","10","1","5","5","3","1") = "9"
    & skf18("10","10","1","5","5","4","1") = "9"
    & skf18("10","10","1","5","5","5","1") = "9"
    & skf18("10","10","1","5","5","6","1") = "9"
    & skf18("10","10","1","5","5","7","1") = "9"
    & skf18("10","10","1","5","5","8","1") = "9"
    & skf18("10","10","1","5","5","9","1") = "9"
    & skf18("10","10","1","5","5","10","1") = "9"
    & skf18("10","10","1","5","6","1","1") = "9"
    & skf18("10","10","1","5","6","2","1") = "9"
    & skf18("10","10","1","5","6","3","1") = "9"
    & skf18("10","10","1","5","6","4","1") = "9"
    & skf18("10","10","1","5","6","5","1") = "9"
    & skf18("10","10","1","5","6","6","1") = "9"
    & skf18("10","10","1","5","6","7","1") = "9"
    & skf18("10","10","1","5","6","8","1") = "9"
    & skf18("10","10","1","5","6","9","1") = "9"
    & skf18("10","10","1","5","6","10","1") = "9"
    & skf18("10","10","1","5","7","1","1") = "9"
    & skf18("10","10","1","5","7","2","1") = "9"
    & skf18("10","10","1","5","7","3","1") = "9"
    & skf18("10","10","1","5","7","4","1") = "9"
    & skf18("10","10","1","5","7","5","1") = "9"
    & skf18("10","10","1","5","7","6","1") = "9"
    & skf18("10","10","1","5","7","7","1") = "9"
    & skf18("10","10","1","5","7","8","1") = "9"
    & skf18("10","10","1","5","7","9","1") = "9"
    & skf18("10","10","1","5","7","10","1") = "9"
    & skf18("10","10","1","5","8","1","1") = "9"
    & skf18("10","10","1","5","8","2","1") = "9"
    & skf18("10","10","1","5","8","3","1") = "9"
    & skf18("10","10","1","5","8","4","1") = "9"
    & skf18("10","10","1","5","8","5","1") = "9"
    & skf18("10","10","1","5","8","6","1") = "9"
    & skf18("10","10","1","5","8","7","1") = "9"
    & skf18("10","10","1","5","8","8","1") = "9"
    & skf18("10","10","1","5","8","9","1") = "9"
    & skf18("10","10","1","5","8","10","1") = "9"
    & skf18("10","10","1","5","9","1","1") = "9"
    & skf18("10","10","1","5","9","2","1") = "9"
    & skf18("10","10","1","5","9","3","1") = "9"
    & skf18("10","10","1","5","9","4","1") = "9"
    & skf18("10","10","1","5","9","5","1") = "9"
    & skf18("10","10","1","5","9","6","1") = "9"
    & skf18("10","10","1","5","9","7","1") = "9"
    & skf18("10","10","1","5","9","8","1") = "9"
    & skf18("10","10","1","5","9","9","1") = "9"
    & skf18("10","10","1","5","9","10","1") = "9"
    & skf18("10","10","1","5","10","1","1") = "9"
    & skf18("10","10","1","5","10","2","1") = "9"
    & skf18("10","10","1","5","10","3","1") = "9"
    & skf18("10","10","1","5","10","4","1") = "9"
    & skf18("10","10","1","5","10","5","1") = "9"
    & skf18("10","10","1","5","10","6","1") = "9"
    & skf18("10","10","1","5","10","7","1") = "9"
    & skf18("10","10","1","5","10","8","1") = "9"
    & skf18("10","10","1","5","10","9","1") = "9"
    & skf18("10","10","1","5","10","10","1") = "9"
    & skf18("10","10","1","6","1","1","1") = "9"
    & skf18("10","10","1","6","1","2","1") = "9"
    & skf18("10","10","1","6","1","3","1") = "9"
    & skf18("10","10","1","6","1","4","1") = "9"
    & skf18("10","10","1","6","1","5","1") = "9"
    & skf18("10","10","1","6","1","6","1") = "9"
    & skf18("10","10","1","6","1","7","1") = "9"
    & skf18("10","10","1","6","1","8","1") = "9"
    & skf18("10","10","1","6","1","9","1") = "9"
    & skf18("10","10","1","6","1","10","1") = "9"
    & skf18("10","10","1","6","2","1","1") = "9"
    & skf18("10","10","1","6","2","2","1") = "9"
    & skf18("10","10","1","6","2","3","1") = "9"
    & skf18("10","10","1","6","2","4","1") = "9"
    & skf18("10","10","1","6","2","5","1") = "9"
    & skf18("10","10","1","6","2","6","1") = "9"
    & skf18("10","10","1","6","2","7","1") = "9"
    & skf18("10","10","1","6","2","8","1") = "9"
    & skf18("10","10","1","6","2","9","1") = "9"
    & skf18("10","10","1","6","2","10","1") = "9"
    & skf18("10","10","1","6","3","1","1") = "9"
    & skf18("10","10","1","6","3","2","1") = "9"
    & skf18("10","10","1","6","3","3","1") = "9"
    & skf18("10","10","1","6","3","4","1") = "9"
    & skf18("10","10","1","6","3","5","1") = "9"
    & skf18("10","10","1","6","3","6","1") = "9"
    & skf18("10","10","1","6","3","7","1") = "9"
    & skf18("10","10","1","6","3","8","1") = "9"
    & skf18("10","10","1","6","3","9","1") = "9"
    & skf18("10","10","1","6","3","10","1") = "9"
    & skf18("10","10","1","6","4","1","1") = "9"
    & skf18("10","10","1","6","4","2","1") = "9"
    & skf18("10","10","1","6","4","3","1") = "9"
    & skf18("10","10","1","6","4","4","1") = "9"
    & skf18("10","10","1","6","4","5","1") = "9"
    & skf18("10","10","1","6","4","6","1") = "9"
    & skf18("10","10","1","6","4","7","1") = "9"
    & skf18("10","10","1","6","4","8","1") = "9"
    & skf18("10","10","1","6","4","9","1") = "9"
    & skf18("10","10","1","6","4","10","1") = "9"
    & skf18("10","10","1","6","5","1","1") = "9"
    & skf18("10","10","1","6","5","2","1") = "9"
    & skf18("10","10","1","6","5","3","1") = "9"
    & skf18("10","10","1","6","5","4","1") = "9"
    & skf18("10","10","1","6","5","5","1") = "9"
    & skf18("10","10","1","6","5","6","1") = "9"
    & skf18("10","10","1","6","5","7","1") = "9"
    & skf18("10","10","1","6","5","8","1") = "9"
    & skf18("10","10","1","6","5","9","1") = "9"
    & skf18("10","10","1","6","5","10","1") = "9"
    & skf18("10","10","1","6","6","1","1") = "9"
    & skf18("10","10","1","6","6","2","1") = "9"
    & skf18("10","10","1","6","6","3","1") = "9"
    & skf18("10","10","1","6","6","4","1") = "9"
    & skf18("10","10","1","6","6","5","1") = "9"
    & skf18("10","10","1","6","6","6","1") = "9"
    & skf18("10","10","1","6","6","7","1") = "9"
    & skf18("10","10","1","6","6","8","1") = "9"
    & skf18("10","10","1","6","6","9","1") = "9"
    & skf18("10","10","1","6","6","10","1") = "9"
    & skf18("10","10","1","6","7","1","1") = "9"
    & skf18("10","10","1","6","7","2","1") = "9"
    & skf18("10","10","1","6","7","3","1") = "9"
    & skf18("10","10","1","6","7","4","1") = "9"
    & skf18("10","10","1","6","7","5","1") = "9"
    & skf18("10","10","1","6","7","6","1") = "9"
    & skf18("10","10","1","6","7","7","1") = "9"
    & skf18("10","10","1","6","7","8","1") = "9"
    & skf18("10","10","1","6","7","9","1") = "9"
    & skf18("10","10","1","6","7","10","1") = "9"
    & skf18("10","10","1","6","8","1","1") = "9"
    & skf18("10","10","1","6","8","2","1") = "9"
    & skf18("10","10","1","6","8","3","1") = "9"
    & skf18("10","10","1","6","8","4","1") = "9"
    & skf18("10","10","1","6","8","5","1") = "9"
    & skf18("10","10","1","6","8","6","1") = "9"
    & skf18("10","10","1","6","8","7","1") = "9"
    & skf18("10","10","1","6","8","8","1") = "9"
    & skf18("10","10","1","6","8","9","1") = "9"
    & skf18("10","10","1","6","8","10","1") = "9"
    & skf18("10","10","1","6","9","1","1") = "9"
    & skf18("10","10","1","6","9","2","1") = "9"
    & skf18("10","10","1","6","9","3","1") = "9"
    & skf18("10","10","1","6","9","4","1") = "9"
    & skf18("10","10","1","6","9","5","1") = "9"
    & skf18("10","10","1","6","9","6","1") = "9"
    & skf18("10","10","1","6","9","7","1") = "9"
    & skf18("10","10","1","6","9","8","1") = "9"
    & skf18("10","10","1","6","9","9","1") = "9"
    & skf18("10","10","1","6","9","10","1") = "9"
    & skf18("10","10","1","6","10","1","1") = "9"
    & skf18("10","10","1","6","10","2","1") = "9"
    & skf18("10","10","1","6","10","3","1") = "9"
    & skf18("10","10","1","6","10","4","1") = "9"
    & skf18("10","10","1","6","10","5","1") = "9"
    & skf18("10","10","1","6","10","6","1") = "9"
    & skf18("10","10","1","6","10","7","1") = "9"
    & skf18("10","10","1","6","10","8","1") = "9"
    & skf18("10","10","1","6","10","9","1") = "9"
    & skf18("10","10","1","6","10","10","1") = "9"
    & skf18("10","10","1","7","1","1","1") = "9"
    & skf18("10","10","1","7","1","2","1") = "9"
    & skf18("10","10","1","7","1","3","1") = "9"
    & skf18("10","10","1","7","1","4","1") = "9"
    & skf18("10","10","1","7","1","5","1") = "9"
    & skf18("10","10","1","7","1","6","1") = "9"
    & skf18("10","10","1","7","1","7","1") = "9"
    & skf18("10","10","1","7","1","8","1") = "9"
    & skf18("10","10","1","7","1","9","1") = "9"
    & skf18("10","10","1","7","1","10","1") = "9"
    & skf18("10","10","1","7","2","1","1") = "9"
    & skf18("10","10","1","7","2","2","1") = "9"
    & skf18("10","10","1","7","2","3","1") = "9"
    & skf18("10","10","1","7","2","4","1") = "9"
    & skf18("10","10","1","7","2","5","1") = "9"
    & skf18("10","10","1","7","2","6","1") = "9"
    & skf18("10","10","1","7","2","7","1") = "9"
    & skf18("10","10","1","7","2","8","1") = "9"
    & skf18("10","10","1","7","2","9","1") = "9"
    & skf18("10","10","1","7","2","10","1") = "9"
    & skf18("10","10","1","7","3","1","1") = "9"
    & skf18("10","10","1","7","3","2","1") = "9"
    & skf18("10","10","1","7","3","3","1") = "9"
    & skf18("10","10","1","7","3","4","1") = "9"
    & skf18("10","10","1","7","3","5","1") = "9"
    & skf18("10","10","1","7","3","6","1") = "9"
    & skf18("10","10","1","7","3","7","1") = "9"
    & skf18("10","10","1","7","3","8","1") = "9"
    & skf18("10","10","1","7","3","9","1") = "9"
    & skf18("10","10","1","7","3","10","1") = "9"
    & skf18("10","10","1","7","4","1","1") = "9"
    & skf18("10","10","1","7","4","2","1") = "9"
    & skf18("10","10","1","7","4","3","1") = "9"
    & skf18("10","10","1","7","4","4","1") = "9"
    & skf18("10","10","1","7","4","5","1") = "9"
    & skf18("10","10","1","7","4","6","1") = "9"
    & skf18("10","10","1","7","4","7","1") = "9"
    & skf18("10","10","1","7","4","8","1") = "9"
    & skf18("10","10","1","7","4","9","1") = "9"
    & skf18("10","10","1","7","4","10","1") = "9"
    & skf18("10","10","1","7","5","1","1") = "9"
    & skf18("10","10","1","7","5","2","1") = "9"
    & skf18("10","10","1","7","5","3","1") = "9"
    & skf18("10","10","1","7","5","4","1") = "9"
    & skf18("10","10","1","7","5","5","1") = "9"
    & skf18("10","10","1","7","5","6","1") = "9"
    & skf18("10","10","1","7","5","7","1") = "9"
    & skf18("10","10","1","7","5","8","1") = "9"
    & skf18("10","10","1","7","5","9","1") = "9"
    & skf18("10","10","1","7","5","10","1") = "9"
    & skf18("10","10","1","7","6","1","1") = "9"
    & skf18("10","10","1","7","6","2","1") = "9"
    & skf18("10","10","1","7","6","3","1") = "9"
    & skf18("10","10","1","7","6","4","1") = "9"
    & skf18("10","10","1","7","6","5","1") = "9"
    & skf18("10","10","1","7","6","6","1") = "9"
    & skf18("10","10","1","7","6","7","1") = "9"
    & skf18("10","10","1","7","6","8","1") = "9"
    & skf18("10","10","1","7","6","9","1") = "9"
    & skf18("10","10","1","7","6","10","1") = "9"
    & skf18("10","10","1","7","7","1","1") = "9"
    & skf18("10","10","1","7","7","2","1") = "9"
    & skf18("10","10","1","7","7","3","1") = "9"
    & skf18("10","10","1","7","7","4","1") = "9"
    & skf18("10","10","1","7","7","5","1") = "9"
    & skf18("10","10","1","7","7","6","1") = "9"
    & skf18("10","10","1","7","7","7","1") = "9"
    & skf18("10","10","1","7","7","8","1") = "9"
    & skf18("10","10","1","7","7","9","1") = "9"
    & skf18("10","10","1","7","7","10","1") = "9"
    & skf18("10","10","1","7","8","1","1") = "9"
    & skf18("10","10","1","7","8","2","1") = "9"
    & skf18("10","10","1","7","8","3","1") = "9"
    & skf18("10","10","1","7","8","4","1") = "9"
    & skf18("10","10","1","7","8","5","1") = "9"
    & skf18("10","10","1","7","8","6","1") = "9"
    & skf18("10","10","1","7","8","7","1") = "9"
    & skf18("10","10","1","7","8","8","1") = "9"
    & skf18("10","10","1","7","8","9","1") = "9"
    & skf18("10","10","1","7","8","10","1") = "9"
    & skf18("10","10","1","7","9","1","1") = "9"
    & skf18("10","10","1","7","9","2","1") = "9"
    & skf18("10","10","1","7","9","3","1") = "9"
    & skf18("10","10","1","7","9","4","1") = "9"
    & skf18("10","10","1","7","9","5","1") = "9"
    & skf18("10","10","1","7","9","6","1") = "9"
    & skf18("10","10","1","7","9","7","1") = "9"
    & skf18("10","10","1","7","9","8","1") = "9"
    & skf18("10","10","1","7","9","9","1") = "9"
    & skf18("10","10","1","7","9","10","1") = "9"
    & skf18("10","10","1","7","10","1","1") = "9"
    & skf18("10","10","1","7","10","2","1") = "9"
    & skf18("10","10","1","7","10","3","1") = "9"
    & skf18("10","10","1","7","10","4","1") = "9"
    & skf18("10","10","1","7","10","5","1") = "9"
    & skf18("10","10","1","7","10","6","1") = "9"
    & skf18("10","10","1","7","10","7","1") = "9"
    & skf18("10","10","1","7","10","8","1") = "9"
    & skf18("10","10","1","7","10","9","1") = "9"
    & skf18("10","10","1","7","10","10","1") = "9"
    & skf18("10","10","1","8","1","1","1") = "9"
    & skf18("10","10","1","8","1","2","1") = "9"
    & skf18("10","10","1","8","1","3","1") = "9"
    & skf18("10","10","1","8","1","4","1") = "9"
    & skf18("10","10","1","8","1","5","1") = "9"
    & skf18("10","10","1","8","1","6","1") = "9"
    & skf18("10","10","1","8","1","7","1") = "9"
    & skf18("10","10","1","8","1","8","1") = "9"
    & skf18("10","10","1","8","1","9","1") = "9"
    & skf18("10","10","1","8","1","10","1") = "9"
    & skf18("10","10","1","8","2","1","1") = "9"
    & skf18("10","10","1","8","2","2","1") = "9"
    & skf18("10","10","1","8","2","3","1") = "9"
    & skf18("10","10","1","8","2","4","1") = "9"
    & skf18("10","10","1","8","2","5","1") = "9"
    & skf18("10","10","1","8","2","6","1") = "9"
    & skf18("10","10","1","8","2","7","1") = "9"
    & skf18("10","10","1","8","2","8","1") = "9"
    & skf18("10","10","1","8","2","9","1") = "9"
    & skf18("10","10","1","8","2","10","1") = "9"
    & skf18("10","10","1","8","3","1","1") = "9"
    & skf18("10","10","1","8","3","2","1") = "9"
    & skf18("10","10","1","8","3","3","1") = "9"
    & skf18("10","10","1","8","3","4","1") = "9"
    & skf18("10","10","1","8","3","5","1") = "9"
    & skf18("10","10","1","8","3","6","1") = "9"
    & skf18("10","10","1","8","3","7","1") = "9"
    & skf18("10","10","1","8","3","8","1") = "9"
    & skf18("10","10","1","8","3","9","1") = "9"
    & skf18("10","10","1","8","3","10","1") = "9"
    & skf18("10","10","1","8","4","1","1") = "9"
    & skf18("10","10","1","8","4","2","1") = "9"
    & skf18("10","10","1","8","4","3","1") = "9"
    & skf18("10","10","1","8","4","4","1") = "9"
    & skf18("10","10","1","8","4","5","1") = "9"
    & skf18("10","10","1","8","4","6","1") = "9"
    & skf18("10","10","1","8","4","7","1") = "9"
    & skf18("10","10","1","8","4","8","1") = "9"
    & skf18("10","10","1","8","4","9","1") = "9"
    & skf18("10","10","1","8","4","10","1") = "9"
    & skf18("10","10","1","8","5","1","1") = "9"
    & skf18("10","10","1","8","5","2","1") = "9"
    & skf18("10","10","1","8","5","3","1") = "9"
    & skf18("10","10","1","8","5","4","1") = "9"
    & skf18("10","10","1","8","5","5","1") = "9"
    & skf18("10","10","1","8","5","6","1") = "9"
    & skf18("10","10","1","8","5","7","1") = "9"
    & skf18("10","10","1","8","5","8","1") = "9"
    & skf18("10","10","1","8","5","9","1") = "9"
    & skf18("10","10","1","8","5","10","1") = "9"
    & skf18("10","10","1","8","6","1","1") = "9"
    & skf18("10","10","1","8","6","2","1") = "9"
    & skf18("10","10","1","8","6","3","1") = "9"
    & skf18("10","10","1","8","6","4","1") = "9"
    & skf18("10","10","1","8","6","5","1") = "9"
    & skf18("10","10","1","8","6","6","1") = "9"
    & skf18("10","10","1","8","6","7","1") = "9"
    & skf18("10","10","1","8","6","8","1") = "9"
    & skf18("10","10","1","8","6","9","1") = "9"
    & skf18("10","10","1","8","6","10","1") = "9"
    & skf18("10","10","1","8","7","1","1") = "9"
    & skf18("10","10","1","8","7","2","1") = "9"
    & skf18("10","10","1","8","7","3","1") = "9"
    & skf18("10","10","1","8","7","4","1") = "9"
    & skf18("10","10","1","8","7","5","1") = "9"
    & skf18("10","10","1","8","7","6","1") = "9"
    & skf18("10","10","1","8","7","7","1") = "9"
    & skf18("10","10","1","8","7","8","1") = "9"
    & skf18("10","10","1","8","7","9","1") = "9"
    & skf18("10","10","1","8","7","10","1") = "9"
    & skf18("10","10","1","8","8","1","1") = "9"
    & skf18("10","10","1","8","8","2","1") = "9"
    & skf18("10","10","1","8","8","3","1") = "9"
    & skf18("10","10","1","8","8","4","1") = "9"
    & skf18("10","10","1","8","8","5","1") = "9"
    & skf18("10","10","1","8","8","6","1") = "9"
    & skf18("10","10","1","8","8","7","1") = "9"
    & skf18("10","10","1","8","8","8","1") = "9"
    & skf18("10","10","1","8","8","9","1") = "9"
    & skf18("10","10","1","8","8","10","1") = "9"
    & skf18("10","10","1","8","9","1","1") = "9"
    & skf18("10","10","1","8","9","2","1") = "9"
    & skf18("10","10","1","8","9","3","1") = "9"
    & skf18("10","10","1","8","9","4","1") = "9"
    & skf18("10","10","1","8","9","5","1") = "9"
    & skf18("10","10","1","8","9","6","1") = "9"
    & skf18("10","10","1","8","9","7","1") = "9"
    & skf18("10","10","1","8","9","8","1") = "9"
    & skf18("10","10","1","8","9","9","1") = "9"
    & skf18("10","10","1","8","9","10","1") = "9"
    & skf18("10","10","1","8","10","1","1") = "9"
    & skf18("10","10","1","8","10","2","1") = "9"
    & skf18("10","10","1","8","10","3","1") = "9"
    & skf18("10","10","1","8","10","4","1") = "9"
    & skf18("10","10","1","8","10","5","1") = "9"
    & skf18("10","10","1","8","10","6","1") = "9"
    & skf18("10","10","1","8","10","7","1") = "9"
    & skf18("10","10","1","8","10","8","1") = "9"
    & skf18("10","10","1","8","10","9","1") = "9"
    & skf18("10","10","1","8","10","10","1") = "9"
    & skf18("10","10","1","9","1","1","1") = "9"
    & skf18("10","10","1","9","1","2","1") = "9"
    & skf18("10","10","1","9","1","3","1") = "9"
    & skf18("10","10","1","9","1","4","1") = "9"
    & skf18("10","10","1","9","1","5","1") = "9"
    & skf18("10","10","1","9","1","6","1") = "9"
    & skf18("10","10","1","9","1","7","1") = "9"
    & skf18("10","10","1","9","1","8","1") = "9"
    & skf18("10","10","1","9","1","9","1") = "9"
    & skf18("10","10","1","9","1","10","1") = "9"
    & skf18("10","10","1","9","2","1","1") = "9"
    & skf18("10","10","1","9","2","2","1") = "9"
    & skf18("10","10","1","9","2","3","1") = "9"
    & skf18("10","10","1","9","2","4","1") = "9"
    & skf18("10","10","1","9","2","5","1") = "9"
    & skf18("10","10","1","9","2","6","1") = "9"
    & skf18("10","10","1","9","2","7","1") = "9"
    & skf18("10","10","1","9","2","8","1") = "9"
    & skf18("10","10","1","9","2","9","1") = "9"
    & skf18("10","10","1","9","2","10","1") = "9"
    & skf18("10","10","1","9","3","1","1") = "9"
    & skf18("10","10","1","9","3","2","1") = "9"
    & skf18("10","10","1","9","3","3","1") = "9"
    & skf18("10","10","1","9","3","4","1") = "9"
    & skf18("10","10","1","9","3","5","1") = "9"
    & skf18("10","10","1","9","3","6","1") = "9"
    & skf18("10","10","1","9","3","7","1") = "9"
    & skf18("10","10","1","9","3","8","1") = "9"
    & skf18("10","10","1","9","3","9","1") = "9"
    & skf18("10","10","1","9","3","10","1") = "9"
    & skf18("10","10","1","9","4","1","1") = "9"
    & skf18("10","10","1","9","4","2","1") = "9"
    & skf18("10","10","1","9","4","3","1") = "9"
    & skf18("10","10","1","9","4","4","1") = "9"
    & skf18("10","10","1","9","4","5","1") = "9"
    & skf18("10","10","1","9","4","6","1") = "9"
    & skf18("10","10","1","9","4","7","1") = "9"
    & skf18("10","10","1","9","4","8","1") = "9"
    & skf18("10","10","1","9","4","9","1") = "9"
    & skf18("10","10","1","9","4","10","1") = "9"
    & skf18("10","10","1","9","5","1","1") = "9"
    & skf18("10","10","1","9","5","2","1") = "9"
    & skf18("10","10","1","9","5","3","1") = "9"
    & skf18("10","10","1","9","5","4","1") = "9"
    & skf18("10","10","1","9","5","5","1") = "9"
    & skf18("10","10","1","9","5","6","1") = "9"
    & skf18("10","10","1","9","5","7","1") = "9"
    & skf18("10","10","1","9","5","8","1") = "9"
    & skf18("10","10","1","9","5","9","1") = "9"
    & skf18("10","10","1","9","5","10","1") = "9"
    & skf18("10","10","1","9","6","1","1") = "9"
    & skf18("10","10","1","9","6","2","1") = "9"
    & skf18("10","10","1","9","6","3","1") = "9"
    & skf18("10","10","1","9","6","4","1") = "9"
    & skf18("10","10","1","9","6","5","1") = "9"
    & skf18("10","10","1","9","6","6","1") = "9"
    & skf18("10","10","1","9","6","7","1") = "9"
    & skf18("10","10","1","9","6","8","1") = "9"
    & skf18("10","10","1","9","6","9","1") = "9"
    & skf18("10","10","1","9","6","10","1") = "9"
    & skf18("10","10","1","9","7","1","1") = "9"
    & skf18("10","10","1","9","7","2","1") = "9"
    & skf18("10","10","1","9","7","3","1") = "9"
    & skf18("10","10","1","9","7","4","1") = "9"
    & skf18("10","10","1","9","7","5","1") = "9"
    & skf18("10","10","1","9","7","6","1") = "9"
    & skf18("10","10","1","9","7","7","1") = "9"
    & skf18("10","10","1","9","7","8","1") = "9"
    & skf18("10","10","1","9","7","9","1") = "9"
    & skf18("10","10","1","9","7","10","1") = "9"
    & skf18("10","10","1","9","8","1","1") = "9"
    & skf18("10","10","1","9","8","2","1") = "9"
    & skf18("10","10","1","9","8","3","1") = "9"
    & skf18("10","10","1","9","8","4","1") = "9"
    & skf18("10","10","1","9","8","5","1") = "9"
    & skf18("10","10","1","9","8","6","1") = "9"
    & skf18("10","10","1","9","8","7","1") = "9"
    & skf18("10","10","1","9","8","8","1") = "9"
    & skf18("10","10","1","9","8","9","1") = "9"
    & skf18("10","10","1","9","8","10","1") = "9"
    & skf18("10","10","1","9","9","1","1") = "9"
    & skf18("10","10","1","9","9","2","1") = "9"
    & skf18("10","10","1","9","9","3","1") = "9"
    & skf18("10","10","1","9","9","4","1") = "9"
    & skf18("10","10","1","9","9","5","1") = "9"
    & skf18("10","10","1","9","9","6","1") = "9"
    & skf18("10","10","1","9","9","7","1") = "9"
    & skf18("10","10","1","9","9","8","1") = "9"
    & skf18("10","10","1","9","9","9","1") = "9"
    & skf18("10","10","1","9","9","10","1") = "9"
    & skf18("10","10","1","9","10","1","1") = "9"
    & skf18("10","10","1","9","10","2","1") = "9"
    & skf18("10","10","1","9","10","3","1") = "9"
    & skf18("10","10","1","9","10","4","1") = "9"
    & skf18("10","10","1","9","10","5","1") = "9"
    & skf18("10","10","1","9","10","6","1") = "9"
    & skf18("10","10","1","9","10","7","1") = "9"
    & skf18("10","10","1","9","10","8","1") = "9"
    & skf18("10","10","1","9","10","9","1") = "9"
    & skf18("10","10","1","9","10","10","1") = "9"
    & skf18("10","10","1","10","1","1","1") = "9"
    & skf18("10","10","1","10","1","2","1") = "9"
    & skf18("10","10","1","10","1","3","1") = "9"
    & skf18("10","10","1","10","1","4","1") = "9"
    & skf18("10","10","1","10","1","5","1") = "9"
    & skf18("10","10","1","10","1","6","1") = "9"
    & skf18("10","10","1","10","1","7","1") = "9"
    & skf18("10","10","1","10","1","8","1") = "9"
    & skf18("10","10","1","10","1","9","1") = "9"
    & skf18("10","10","1","10","1","10","1") = "9"
    & skf18("10","10","1","10","2","1","1") = "9"
    & skf18("10","10","1","10","2","2","1") = "9"
    & skf18("10","10","1","10","2","3","1") = "9"
    & skf18("10","10","1","10","2","4","1") = "9"
    & skf18("10","10","1","10","2","5","1") = "9"
    & skf18("10","10","1","10","2","6","1") = "9"
    & skf18("10","10","1","10","2","7","1") = "9"
    & skf18("10","10","1","10","2","8","1") = "9"
    & skf18("10","10","1","10","2","9","1") = "9"
    & skf18("10","10","1","10","2","10","1") = "9"
    & skf18("10","10","1","10","3","1","1") = "9"
    & skf18("10","10","1","10","3","2","1") = "9"
    & skf18("10","10","1","10","3","3","1") = "9"
    & skf18("10","10","1","10","3","4","1") = "9"
    & skf18("10","10","1","10","3","5","1") = "9"
    & skf18("10","10","1","10","3","6","1") = "9"
    & skf18("10","10","1","10","3","7","1") = "9"
    & skf18("10","10","1","10","3","8","1") = "9"
    & skf18("10","10","1","10","3","9","1") = "9"
    & skf18("10","10","1","10","3","10","1") = "9"
    & skf18("10","10","1","10","4","1","1") = "9"
    & skf18("10","10","1","10","4","2","1") = "9"
    & skf18("10","10","1","10","4","3","1") = "9"
    & skf18("10","10","1","10","4","4","1") = "9"
    & skf18("10","10","1","10","4","5","1") = "9"
    & skf18("10","10","1","10","4","6","1") = "9"
    & skf18("10","10","1","10","4","7","1") = "9"
    & skf18("10","10","1","10","4","8","1") = "9"
    & skf18("10","10","1","10","4","9","1") = "9"
    & skf18("10","10","1","10","4","10","1") = "9"
    & skf18("10","10","1","10","5","1","1") = "9"
    & skf18("10","10","1","10","5","2","1") = "9"
    & skf18("10","10","1","10","5","3","1") = "9"
    & skf18("10","10","1","10","5","4","1") = "9"
    & skf18("10","10","1","10","5","5","1") = "9"
    & skf18("10","10","1","10","5","6","1") = "9"
    & skf18("10","10","1","10","5","7","1") = "9"
    & skf18("10","10","1","10","5","8","1") = "9"
    & skf18("10","10","1","10","5","9","1") = "9"
    & skf18("10","10","1","10","5","10","1") = "9"
    & skf18("10","10","1","10","6","1","1") = "9"
    & skf18("10","10","1","10","6","2","1") = "9"
    & skf18("10","10","1","10","6","3","1") = "9"
    & skf18("10","10","1","10","6","4","1") = "9"
    & skf18("10","10","1","10","6","5","1") = "9"
    & skf18("10","10","1","10","6","6","1") = "9"
    & skf18("10","10","1","10","6","7","1") = "9"
    & skf18("10","10","1","10","6","8","1") = "9"
    & skf18("10","10","1","10","6","9","1") = "9"
    & skf18("10","10","1","10","6","10","1") = "9"
    & skf18("10","10","1","10","7","1","1") = "9"
    & skf18("10","10","1","10","7","2","1") = "9"
    & skf18("10","10","1","10","7","3","1") = "9"
    & skf18("10","10","1","10","7","4","1") = "9"
    & skf18("10","10","1","10","7","5","1") = "9"
    & skf18("10","10","1","10","7","6","1") = "9"
    & skf18("10","10","1","10","7","7","1") = "9"
    & skf18("10","10","1","10","7","8","1") = "9"
    & skf18("10","10","1","10","7","9","1") = "9"
    & skf18("10","10","1","10","7","10","1") = "9"
    & skf18("10","10","1","10","8","1","1") = "9"
    & skf18("10","10","1","10","8","2","1") = "9"
    & skf18("10","10","1","10","8","3","1") = "9"
    & skf18("10","10","1","10","8","4","1") = "9"
    & skf18("10","10","1","10","8","5","1") = "9"
    & skf18("10","10","1","10","8","6","1") = "9"
    & skf18("10","10","1","10","8","7","1") = "9"
    & skf18("10","10","1","10","8","8","1") = "9"
    & skf18("10","10","1","10","8","9","1") = "9"
    & skf18("10","10","1","10","8","10","1") = "9"
    & skf18("10","10","1","10","9","1","1") = "9"
    & skf18("10","10","1","10","9","2","1") = "9"
    & skf18("10","10","1","10","9","3","1") = "9"
    & skf18("10","10","1","10","9","4","1") = "9"
    & skf18("10","10","1","10","9","5","1") = "9"
    & skf18("10","10","1","10","9","6","1") = "9"
    & skf18("10","10","1","10","9","7","1") = "9"
    & skf18("10","10","1","10","9","8","1") = "9"
    & skf18("10","10","1","10","9","9","1") = "9"
    & skf18("10","10","1","10","9","10","1") = "9"
    & skf18("10","10","1","10","10","1","1") = "9"
    & skf18("10","10","1","10","10","2","1") = "9"
    & skf18("10","10","1","10","10","3","1") = "9"
    & skf18("10","10","1","10","10","4","1") = "9"
    & skf18("10","10","1","10","10","5","1") = "9"
    & skf18("10","10","1","10","10","6","1") = "9"
    & skf18("10","10","1","10","10","7","1") = "9"
    & skf18("10","10","1","10","10","8","1") = "9"
    & skf18("10","10","1","10","10","9","1") = "9"
    & skf18("10","10","1","10","10","10","1") = "9"
    & skf18("10","10","2","1","1","1","1") = "9"
    & skf18("10","10","2","1","1","2","1") = "9"
    & skf18("10","10","2","1","1","3","1") = "9"
    & skf18("10","10","2","1","1","4","1") = "9"
    & skf18("10","10","2","1","1","5","1") = "9"
    & skf18("10","10","2","1","1","6","1") = "9"
    & skf18("10","10","2","1","1","7","1") = "9"
    & skf18("10","10","2","1","1","8","1") = "9"
    & skf18("10","10","2","1","1","9","1") = "9"
    & skf18("10","10","2","1","1","10","1") = "9"
    & skf18("10","10","2","1","2","1","1") = "9"
    & skf18("10","10","2","1","2","2","1") = "9"
    & skf18("10","10","2","1","2","3","1") = "9"
    & skf18("10","10","2","1","2","4","1") = "9"
    & skf18("10","10","2","1","2","5","1") = "9"
    & skf18("10","10","2","1","2","6","1") = "9"
    & skf18("10","10","2","1","2","7","1") = "9"
    & skf18("10","10","2","1","2","8","1") = "9"
    & skf18("10","10","2","1","2","9","1") = "9"
    & skf18("10","10","2","1","2","10","1") = "9"
    & skf18("10","10","2","1","3","1","1") = "9"
    & skf18("10","10","2","1","3","2","1") = "9"
    & skf18("10","10","2","1","3","3","1") = "9"
    & skf18("10","10","2","1","3","4","1") = "9"
    & skf18("10","10","2","1","3","5","1") = "9"
    & skf18("10","10","2","1","3","6","1") = "9"
    & skf18("10","10","2","1","3","7","1") = "9"
    & skf18("10","10","2","1","3","8","1") = "9"
    & skf18("10","10","2","1","3","9","1") = "9"
    & skf18("10","10","2","1","3","10","1") = "9"
    & skf18("10","10","2","1","4","1","1") = "9"
    & skf18("10","10","2","1","4","2","1") = "9"
    & skf18("10","10","2","1","4","3","1") = "9"
    & skf18("10","10","2","1","4","4","1") = "9"
    & skf18("10","10","2","1","4","5","1") = "9"
    & skf18("10","10","2","1","4","6","1") = "9"
    & skf18("10","10","2","1","4","7","1") = "9"
    & skf18("10","10","2","1","4","8","1") = "9"
    & skf18("10","10","2","1","4","9","1") = "9"
    & skf18("10","10","2","1","4","10","1") = "9"
    & skf18("10","10","2","1","5","1","1") = "9"
    & skf18("10","10","2","1","5","2","1") = "9"
    & skf18("10","10","2","1","5","3","1") = "9"
    & skf18("10","10","2","1","5","4","1") = "9"
    & skf18("10","10","2","1","5","5","1") = "9"
    & skf18("10","10","2","1","5","6","1") = "9"
    & skf18("10","10","2","1","5","7","1") = "9"
    & skf18("10","10","2","1","5","8","1") = "9"
    & skf18("10","10","2","1","5","9","1") = "9"
    & skf18("10","10","2","1","5","10","1") = "9"
    & skf18("10","10","2","1","6","1","1") = "9"
    & skf18("10","10","2","1","6","2","1") = "9"
    & skf18("10","10","2","1","6","3","1") = "9"
    & skf18("10","10","2","1","6","4","1") = "9"
    & skf18("10","10","2","1","6","5","1") = "9"
    & skf18("10","10","2","1","6","6","1") = "9"
    & skf18("10","10","2","1","6","7","1") = "9"
    & skf18("10","10","2","1","6","8","1") = "9"
    & skf18("10","10","2","1","6","9","1") = "9"
    & skf18("10","10","2","1","6","10","1") = "9"
    & skf18("10","10","2","1","7","1","1") = "9"
    & skf18("10","10","2","1","7","2","1") = "9"
    & skf18("10","10","2","1","7","3","1") = "9"
    & skf18("10","10","2","1","7","4","1") = "9"
    & skf18("10","10","2","1","7","5","1") = "9"
    & skf18("10","10","2","1","7","6","1") = "9"
    & skf18("10","10","2","1","7","7","1") = "9"
    & skf18("10","10","2","1","7","8","1") = "9"
    & skf18("10","10","2","1","7","9","1") = "9"
    & skf18("10","10","2","1","7","10","1") = "9"
    & skf18("10","10","2","1","8","1","1") = "9"
    & skf18("10","10","2","1","8","2","1") = "9"
    & skf18("10","10","2","1","8","3","1") = "9"
    & skf18("10","10","2","1","8","4","1") = "9"
    & skf18("10","10","2","1","8","5","1") = "9"
    & skf18("10","10","2","1","8","6","1") = "9"
    & skf18("10","10","2","1","8","7","1") = "9"
    & skf18("10","10","2","1","8","8","1") = "9"
    & skf18("10","10","2","1","8","9","1") = "9"
    & skf18("10","10","2","1","8","10","1") = "9"
    & skf18("10","10","2","1","9","1","1") = "9"
    & skf18("10","10","2","1","9","2","1") = "9"
    & skf18("10","10","2","1","9","3","1") = "9"
    & skf18("10","10","2","1","9","4","1") = "9"
    & skf18("10","10","2","1","9","5","1") = "9"
    & skf18("10","10","2","1","9","6","1") = "9"
    & skf18("10","10","2","1","9","7","1") = "9"
    & skf18("10","10","2","1","9","8","1") = "9"
    & skf18("10","10","2","1","9","9","1") = "9"
    & skf18("10","10","2","1","9","10","1") = "9"
    & skf18("10","10","2","1","10","1","1") = "9"
    & skf18("10","10","2","1","10","2","1") = "9"
    & skf18("10","10","2","1","10","3","1") = "9"
    & skf18("10","10","2","1","10","4","1") = "9"
    & skf18("10","10","2","1","10","5","1") = "9"
    & skf18("10","10","2","1","10","6","1") = "9"
    & skf18("10","10","2","1","10","7","1") = "9"
    & skf18("10","10","2","1","10","8","1") = "9"
    & skf18("10","10","2","1","10","9","1") = "9"
    & skf18("10","10","2","1","10","10","1") = "9"
    & skf18("10","10","2","2","1","1","1") = "9"
    & skf18("10","10","2","2","1","2","1") = "9"
    & skf18("10","10","2","2","1","3","1") = "9"
    & skf18("10","10","2","2","1","4","1") = "9"
    & skf18("10","10","2","2","1","5","1") = "9"
    & skf18("10","10","2","2","1","6","1") = "9"
    & skf18("10","10","2","2","1","7","1") = "9"
    & skf18("10","10","2","2","1","8","1") = "9"
    & skf18("10","10","2","2","1","9","1") = "9"
    & skf18("10","10","2","2","1","10","1") = "9"
    & skf18("10","10","2","2","2","1","1") = "9"
    & skf18("10","10","2","2","2","2","1") = "9"
    & skf18("10","10","2","2","2","3","1") = "9"
    & skf18("10","10","2","2","2","4","1") = "9"
    & skf18("10","10","2","2","2","5","1") = "9"
    & skf18("10","10","2","2","2","6","1") = "9"
    & skf18("10","10","2","2","2","7","1") = "9"
    & skf18("10","10","2","2","2","8","1") = "9"
    & skf18("10","10","2","2","2","9","1") = "9"
    & skf18("10","10","2","2","2","10","1") = "9"
    & skf18("10","10","2","2","3","1","1") = "9"
    & skf18("10","10","2","2","3","2","1") = "9"
    & skf18("10","10","2","2","3","3","1") = "9"
    & skf18("10","10","2","2","3","4","1") = "9"
    & skf18("10","10","2","2","3","5","1") = "9"
    & skf18("10","10","2","2","3","6","1") = "9"
    & skf18("10","10","2","2","3","7","1") = "9"
    & skf18("10","10","2","2","3","8","1") = "9"
    & skf18("10","10","2","2","3","9","1") = "9"
    & skf18("10","10","2","2","3","10","1") = "9"
    & skf18("10","10","2","2","4","1","1") = "9"
    & skf18("10","10","2","2","4","2","1") = "9"
    & skf18("10","10","2","2","4","3","1") = "9"
    & skf18("10","10","2","2","4","4","1") = "9"
    & skf18("10","10","2","2","4","5","1") = "9"
    & skf18("10","10","2","2","4","6","1") = "9"
    & skf18("10","10","2","2","4","7","1") = "9"
    & skf18("10","10","2","2","4","8","1") = "9"
    & skf18("10","10","2","2","4","9","1") = "9"
    & skf18("10","10","2","2","4","10","1") = "9"
    & skf18("10","10","2","2","5","1","1") = "9"
    & skf18("10","10","2","2","5","2","1") = "9"
    & skf18("10","10","2","2","5","3","1") = "9"
    & skf18("10","10","2","2","5","4","1") = "9"
    & skf18("10","10","2","2","5","5","1") = "9"
    & skf18("10","10","2","2","5","6","1") = "9"
    & skf18("10","10","2","2","5","7","1") = "9"
    & skf18("10","10","2","2","5","8","1") = "9"
    & skf18("10","10","2","2","5","9","1") = "9"
    & skf18("10","10","2","2","5","10","1") = "9"
    & skf18("10","10","2","2","6","1","1") = "9"
    & skf18("10","10","2","2","6","2","1") = "9"
    & skf18("10","10","2","2","6","3","1") = "9"
    & skf18("10","10","2","2","6","4","1") = "9"
    & skf18("10","10","2","2","6","5","1") = "9"
    & skf18("10","10","2","2","6","6","1") = "9"
    & skf18("10","10","2","2","6","7","1") = "9"
    & skf18("10","10","2","2","6","8","1") = "9"
    & skf18("10","10","2","2","6","9","1") = "9"
    & skf18("10","10","2","2","6","10","1") = "9"
    & skf18("10","10","2","2","7","1","1") = "9"
    & skf18("10","10","2","2","7","2","1") = "9"
    & skf18("10","10","2","2","7","3","1") = "9"
    & skf18("10","10","2","2","7","4","1") = "9"
    & skf18("10","10","2","2","7","5","1") = "9"
    & skf18("10","10","2","2","7","6","1") = "9"
    & skf18("10","10","2","2","7","7","1") = "9"
    & skf18("10","10","2","2","7","8","1") = "9"
    & skf18("10","10","2","2","7","9","1") = "9"
    & skf18("10","10","2","2","7","10","1") = "9"
    & skf18("10","10","2","2","8","1","1") = "9"
    & skf18("10","10","2","2","8","2","1") = "9"
    & skf18("10","10","2","2","8","3","1") = "9"
    & skf18("10","10","2","2","8","4","1") = "9"
    & skf18("10","10","2","2","8","5","1") = "9"
    & skf18("10","10","2","2","8","6","1") = "9"
    & skf18("10","10","2","2","8","7","1") = "9"
    & skf18("10","10","2","2","8","8","1") = "9"
    & skf18("10","10","2","2","8","9","1") = "9"
    & skf18("10","10","2","2","8","10","1") = "9"
    & skf18("10","10","2","2","9","1","1") = "9"
    & skf18("10","10","2","2","9","2","1") = "9"
    & skf18("10","10","2","2","9","3","1") = "9"
    & skf18("10","10","2","2","9","4","1") = "9"
    & skf18("10","10","2","2","9","5","1") = "9"
    & skf18("10","10","2","2","9","6","1") = "9"
    & skf18("10","10","2","2","9","7","1") = "9"
    & skf18("10","10","2","2","9","8","1") = "9"
    & skf18("10","10","2","2","9","9","1") = "9"
    & skf18("10","10","2","2","9","10","1") = "9"
    & skf18("10","10","2","2","10","1","1") = "9"
    & skf18("10","10","2","2","10","2","1") = "9"
    & skf18("10","10","2","2","10","3","1") = "9"
    & skf18("10","10","2","2","10","4","1") = "9"
    & skf18("10","10","2","2","10","5","1") = "9"
    & skf18("10","10","2","2","10","6","1") = "9"
    & skf18("10","10","2","2","10","7","1") = "9"
    & skf18("10","10","2","2","10","8","1") = "9"
    & skf18("10","10","2","2","10","9","1") = "9"
    & skf18("10","10","2","2","10","10","1") = "9"
    & skf18("10","10","2","3","1","1","1") = "9"
    & skf18("10","10","2","3","1","2","1") = "9"
    & skf18("10","10","2","3","1","3","1") = "9"
    & skf18("10","10","2","3","1","4","1") = "9"
    & skf18("10","10","2","3","1","5","1") = "9"
    & skf18("10","10","2","3","1","6","1") = "9"
    & skf18("10","10","2","3","1","7","1") = "9"
    & skf18("10","10","2","3","1","8","1") = "9"
    & skf18("10","10","2","3","1","9","1") = "9"
    & skf18("10","10","2","3","1","10","1") = "9"
    & skf18("10","10","2","3","2","1","1") = "9"
    & skf18("10","10","2","3","2","2","1") = "9"
    & skf18("10","10","2","3","2","3","1") = "9"
    & skf18("10","10","2","3","2","4","1") = "9"
    & skf18("10","10","2","3","2","5","1") = "9"
    & skf18("10","10","2","3","2","6","1") = "9"
    & skf18("10","10","2","3","2","7","1") = "9"
    & skf18("10","10","2","3","2","8","1") = "9"
    & skf18("10","10","2","3","2","9","1") = "9"
    & skf18("10","10","2","3","2","10","1") = "9"
    & skf18("10","10","2","3","3","1","1") = "9"
    & skf18("10","10","2","3","3","2","1") = "9"
    & skf18("10","10","2","3","3","3","1") = "9"
    & skf18("10","10","2","3","3","4","1") = "9"
    & skf18("10","10","2","3","3","5","1") = "9"
    & skf18("10","10","2","3","3","6","1") = "9"
    & skf18("10","10","2","3","3","7","1") = "9"
    & skf18("10","10","2","3","3","8","1") = "9"
    & skf18("10","10","2","3","3","9","1") = "9"
    & skf18("10","10","2","3","3","10","1") = "9"
    & skf18("10","10","2","3","4","1","1") = "9"
    & skf18("10","10","2","3","4","2","1") = "9"
    & skf18("10","10","2","3","4","3","1") = "9"
    & skf18("10","10","2","3","4","4","1") = "9"
    & skf18("10","10","2","3","4","5","1") = "9"
    & skf18("10","10","2","3","4","6","1") = "9"
    & skf18("10","10","2","3","4","7","1") = "9"
    & skf18("10","10","2","3","4","8","1") = "9"
    & skf18("10","10","2","3","4","9","1") = "9"
    & skf18("10","10","2","3","4","10","1") = "9"
    & skf18("10","10","2","3","5","1","1") = "9"
    & skf18("10","10","2","3","5","2","1") = "9"
    & skf18("10","10","2","3","5","3","1") = "9"
    & skf18("10","10","2","3","5","4","1") = "9"
    & skf18("10","10","2","3","5","5","1") = "9"
    & skf18("10","10","2","3","5","6","1") = "9"
    & skf18("10","10","2","3","5","7","1") = "9"
    & skf18("10","10","2","3","5","8","1") = "9"
    & skf18("10","10","2","3","5","9","1") = "9"
    & skf18("10","10","2","3","5","10","1") = "9"
    & skf18("10","10","2","3","6","1","1") = "9"
    & skf18("10","10","2","3","6","2","1") = "9"
    & skf18("10","10","2","3","6","3","1") = "9"
    & skf18("10","10","2","3","6","4","1") = "9"
    & skf18("10","10","2","3","6","5","1") = "9"
    & skf18("10","10","2","3","6","6","1") = "9"
    & skf18("10","10","2","3","6","7","1") = "9"
    & skf18("10","10","2","3","6","8","1") = "9"
    & skf18("10","10","2","3","6","9","1") = "9"
    & skf18("10","10","2","3","6","10","1") = "9"
    & skf18("10","10","2","3","7","1","1") = "9"
    & skf18("10","10","2","3","7","2","1") = "9"
    & skf18("10","10","2","3","7","3","1") = "9"
    & skf18("10","10","2","3","7","4","1") = "9"
    & skf18("10","10","2","3","7","5","1") = "9"
    & skf18("10","10","2","3","7","6","1") = "9"
    & skf18("10","10","2","3","7","7","1") = "9"
    & skf18("10","10","2","3","7","8","1") = "9"
    & skf18("10","10","2","3","7","9","1") = "9"
    & skf18("10","10","2","3","7","10","1") = "9"
    & skf18("10","10","2","3","8","1","1") = "9"
    & skf18("10","10","2","3","8","2","1") = "9"
    & skf18("10","10","2","3","8","3","1") = "9"
    & skf18("10","10","2","3","8","4","1") = "9"
    & skf18("10","10","2","3","8","5","1") = "9"
    & skf18("10","10","2","3","8","6","1") = "9"
    & skf18("10","10","2","3","8","7","1") = "9"
    & skf18("10","10","2","3","8","8","1") = "9"
    & skf18("10","10","2","3","8","9","1") = "9"
    & skf18("10","10","2","3","8","10","1") = "9"
    & skf18("10","10","2","3","9","1","1") = "9"
    & skf18("10","10","2","3","9","2","1") = "9"
    & skf18("10","10","2","3","9","3","1") = "9"
    & skf18("10","10","2","3","9","4","1") = "9"
    & skf18("10","10","2","3","9","5","1") = "9"
    & skf18("10","10","2","3","9","6","1") = "9"
    & skf18("10","10","2","3","9","7","1") = "9"
    & skf18("10","10","2","3","9","8","1") = "9"
    & skf18("10","10","2","3","9","9","1") = "9"
    & skf18("10","10","2","3","9","10","1") = "9"
    & skf18("10","10","2","3","10","1","1") = "9"
    & skf18("10","10","2","3","10","2","1") = "9"
    & skf18("10","10","2","3","10","3","1") = "9"
    & skf18("10","10","2","3","10","4","1") = "9"
    & skf18("10","10","2","3","10","5","1") = "9"
    & skf18("10","10","2","3","10","6","1") = "9"
    & skf18("10","10","2","3","10","7","1") = "9"
    & skf18("10","10","2","3","10","8","1") = "9"
    & skf18("10","10","2","3","10","9","1") = "9"
    & skf18("10","10","2","3","10","10","1") = "9"
    & skf18("10","10","2","4","1","1","1") = "9"
    & skf18("10","10","2","4","1","2","1") = "9"
    & skf18("10","10","2","4","1","3","1") = "9"
    & skf18("10","10","2","4","1","4","1") = "9"
    & skf18("10","10","2","4","1","5","1") = "9"
    & skf18("10","10","2","4","1","6","1") = "9"
    & skf18("10","10","2","4","1","7","1") = "9"
    & skf18("10","10","2","4","1","8","1") = "9"
    & skf18("10","10","2","4","1","9","1") = "9"
    & skf18("10","10","2","4","1","10","1") = "9"
    & skf18("10","10","2","4","2","1","1") = "9"
    & skf18("10","10","2","4","2","2","1") = "9"
    & skf18("10","10","2","4","2","3","1") = "9"
    & skf18("10","10","2","4","2","4","1") = "9"
    & skf18("10","10","2","4","2","5","1") = "9"
    & skf18("10","10","2","4","2","6","1") = "9"
    & skf18("10","10","2","4","2","7","1") = "9"
    & skf18("10","10","2","4","2","8","1") = "9"
    & skf18("10","10","2","4","2","9","1") = "9"
    & skf18("10","10","2","4","2","10","1") = "9"
    & skf18("10","10","2","4","3","1","1") = "9"
    & skf18("10","10","2","4","3","2","1") = "9"
    & skf18("10","10","2","4","3","3","1") = "9"
    & skf18("10","10","2","4","3","4","1") = "9"
    & skf18("10","10","2","4","3","5","1") = "9"
    & skf18("10","10","2","4","3","6","1") = "9"
    & skf18("10","10","2","4","3","7","1") = "9"
    & skf18("10","10","2","4","3","8","1") = "9"
    & skf18("10","10","2","4","3","9","1") = "9"
    & skf18("10","10","2","4","3","10","1") = "9"
    & skf18("10","10","2","4","4","1","1") = "9"
    & skf18("10","10","2","4","4","2","1") = "9"
    & skf18("10","10","2","4","4","3","1") = "9"
    & skf18("10","10","2","4","4","4","1") = "9"
    & skf18("10","10","2","4","4","5","1") = "9"
    & skf18("10","10","2","4","4","6","1") = "9"
    & skf18("10","10","2","4","4","7","1") = "9"
    & skf18("10","10","2","4","4","8","1") = "9"
    & skf18("10","10","2","4","4","9","1") = "9"
    & skf18("10","10","2","4","4","10","1") = "9"
    & skf18("10","10","2","4","5","1","1") = "9"
    & skf18("10","10","2","4","5","2","1") = "9"
    & skf18("10","10","2","4","5","3","1") = "9"
    & skf18("10","10","2","4","5","4","1") = "9"
    & skf18("10","10","2","4","5","5","1") = "9"
    & skf18("10","10","2","4","5","6","1") = "9"
    & skf18("10","10","2","4","5","7","1") = "9"
    & skf18("10","10","2","4","5","8","1") = "9"
    & skf18("10","10","2","4","5","9","1") = "9"
    & skf18("10","10","2","4","5","10","1") = "9"
    & skf18("10","10","2","4","6","1","1") = "9"
    & skf18("10","10","2","4","6","2","1") = "9"
    & skf18("10","10","2","4","6","3","1") = "9"
    & skf18("10","10","2","4","6","4","1") = "9"
    & skf18("10","10","2","4","6","5","1") = "9"
    & skf18("10","10","2","4","6","6","1") = "9"
    & skf18("10","10","2","4","6","7","1") = "9"
    & skf18("10","10","2","4","6","8","1") = "9"
    & skf18("10","10","2","4","6","9","1") = "9"
    & skf18("10","10","2","4","6","10","1") = "9"
    & skf18("10","10","2","4","7","1","1") = "9"
    & skf18("10","10","2","4","7","2","1") = "9"
    & skf18("10","10","2","4","7","3","1") = "9"
    & skf18("10","10","2","4","7","4","1") = "9"
    & skf18("10","10","2","4","7","5","1") = "9"
    & skf18("10","10","2","4","7","6","1") = "9"
    & skf18("10","10","2","4","7","7","1") = "9"
    & skf18("10","10","2","4","7","8","1") = "9"
    & skf18("10","10","2","4","7","9","1") = "9"
    & skf18("10","10","2","4","7","10","1") = "9"
    & skf18("10","10","2","4","8","1","1") = "9"
    & skf18("10","10","2","4","8","2","1") = "9"
    & skf18("10","10","2","4","8","3","1") = "9"
    & skf18("10","10","2","4","8","4","1") = "9"
    & skf18("10","10","2","4","8","5","1") = "9"
    & skf18("10","10","2","4","8","6","1") = "9"
    & skf18("10","10","2","4","8","7","1") = "9"
    & skf18("10","10","2","4","8","8","1") = "9"
    & skf18("10","10","2","4","8","9","1") = "9"
    & skf18("10","10","2","4","8","10","1") = "9"
    & skf18("10","10","2","4","9","1","1") = "9"
    & skf18("10","10","2","4","9","2","1") = "9"
    & skf18("10","10","2","4","9","3","1") = "9"
    & skf18("10","10","2","4","9","4","1") = "9"
    & skf18("10","10","2","4","9","5","1") = "9"
    & skf18("10","10","2","4","9","6","1") = "9"
    & skf18("10","10","2","4","9","7","1") = "9"
    & skf18("10","10","2","4","9","8","1") = "9"
    & skf18("10","10","2","4","9","9","1") = "9"
    & skf18("10","10","2","4","9","10","1") = "9"
    & skf18("10","10","2","4","10","1","1") = "9"
    & skf18("10","10","2","4","10","2","1") = "9"
    & skf18("10","10","2","4","10","3","1") = "9"
    & skf18("10","10","2","4","10","4","1") = "9"
    & skf18("10","10","2","4","10","5","1") = "9"
    & skf18("10","10","2","4","10","6","1") = "9"
    & skf18("10","10","2","4","10","7","1") = "9"
    & skf18("10","10","2","4","10","8","1") = "9"
    & skf18("10","10","2","4","10","9","1") = "9"
    & skf18("10","10","2","4","10","10","1") = "9"
    & skf18("10","10","2","5","1","1","1") = "9"
    & skf18("10","10","2","5","1","2","1") = "9"
    & skf18("10","10","2","5","1","3","1") = "9"
    & skf18("10","10","2","5","1","4","1") = "9"
    & skf18("10","10","2","5","1","5","1") = "9"
    & skf18("10","10","2","5","1","6","1") = "9"
    & skf18("10","10","2","5","1","7","1") = "9"
    & skf18("10","10","2","5","1","8","1") = "9"
    & skf18("10","10","2","5","1","9","1") = "9"
    & skf18("10","10","2","5","1","10","1") = "9"
    & skf18("10","10","2","5","2","1","1") = "9"
    & skf18("10","10","2","5","2","2","1") = "9"
    & skf18("10","10","2","5","2","3","1") = "9"
    & skf18("10","10","2","5","2","4","1") = "9"
    & skf18("10","10","2","5","2","5","1") = "9"
    & skf18("10","10","2","5","2","6","1") = "9"
    & skf18("10","10","2","5","2","7","1") = "9"
    & skf18("10","10","2","5","2","8","1") = "9"
    & skf18("10","10","2","5","2","9","1") = "9"
    & skf18("10","10","2","5","2","10","1") = "9"
    & skf18("10","10","2","5","3","1","1") = "9"
    & skf18("10","10","2","5","3","2","1") = "9"
    & skf18("10","10","2","5","3","3","1") = "9"
    & skf18("10","10","2","5","3","4","1") = "9"
    & skf18("10","10","2","5","3","5","1") = "9"
    & skf18("10","10","2","5","3","6","1") = "9"
    & skf18("10","10","2","5","3","7","1") = "9"
    & skf18("10","10","2","5","3","8","1") = "9"
    & skf18("10","10","2","5","3","9","1") = "9"
    & skf18("10","10","2","5","3","10","1") = "9"
    & skf18("10","10","2","5","4","1","1") = "9"
    & skf18("10","10","2","5","4","2","1") = "9"
    & skf18("10","10","2","5","4","3","1") = "9"
    & skf18("10","10","2","5","4","4","1") = "9"
    & skf18("10","10","2","5","4","5","1") = "9"
    & skf18("10","10","2","5","4","6","1") = "9"
    & skf18("10","10","2","5","4","7","1") = "9"
    & skf18("10","10","2","5","4","8","1") = "9"
    & skf18("10","10","2","5","4","9","1") = "9"
    & skf18("10","10","2","5","4","10","1") = "9"
    & skf18("10","10","2","5","5","1","1") = "9"
    & skf18("10","10","2","5","5","2","1") = "9"
    & skf18("10","10","2","5","5","3","1") = "9"
    & skf18("10","10","2","5","5","4","1") = "9"
    & skf18("10","10","2","5","5","5","1") = "9"
    & skf18("10","10","2","5","5","6","1") = "9"
    & skf18("10","10","2","5","5","7","1") = "9"
    & skf18("10","10","2","5","5","8","1") = "9"
    & skf18("10","10","2","5","5","9","1") = "9"
    & skf18("10","10","2","5","5","10","1") = "9"
    & skf18("10","10","2","5","6","1","1") = "9"
    & skf18("10","10","2","5","6","2","1") = "9"
    & skf18("10","10","2","5","6","3","1") = "9"
    & skf18("10","10","2","5","6","4","1") = "9"
    & skf18("10","10","2","5","6","5","1") = "9"
    & skf18("10","10","2","5","6","6","1") = "9"
    & skf18("10","10","2","5","6","7","1") = "9"
    & skf18("10","10","2","5","6","8","1") = "9"
    & skf18("10","10","2","5","6","9","1") = "9"
    & skf18("10","10","2","5","6","10","1") = "9"
    & skf18("10","10","2","5","7","1","1") = "9"
    & skf18("10","10","2","5","7","2","1") = "9"
    & skf18("10","10","2","5","7","3","1") = "9"
    & skf18("10","10","2","5","7","4","1") = "9"
    & skf18("10","10","2","5","7","5","1") = "9"
    & skf18("10","10","2","5","7","6","1") = "9"
    & skf18("10","10","2","5","7","7","1") = "9"
    & skf18("10","10","2","5","7","8","1") = "9"
    & skf18("10","10","2","5","7","9","1") = "9"
    & skf18("10","10","2","5","7","10","1") = "9"
    & skf18("10","10","2","5","8","1","1") = "9"
    & skf18("10","10","2","5","8","2","1") = "9"
    & skf18("10","10","2","5","8","3","1") = "9"
    & skf18("10","10","2","5","8","4","1") = "9"
    & skf18("10","10","2","5","8","5","1") = "9"
    & skf18("10","10","2","5","8","6","1") = "9"
    & skf18("10","10","2","5","8","7","1") = "9"
    & skf18("10","10","2","5","8","8","1") = "9"
    & skf18("10","10","2","5","8","9","1") = "9"
    & skf18("10","10","2","5","8","10","1") = "9"
    & skf18("10","10","2","5","9","1","1") = "9"
    & skf18("10","10","2","5","9","2","1") = "9"
    & skf18("10","10","2","5","9","3","1") = "9"
    & skf18("10","10","2","5","9","4","1") = "9"
    & skf18("10","10","2","5","9","5","1") = "9"
    & skf18("10","10","2","5","9","6","1") = "9"
    & skf18("10","10","2","5","9","7","1") = "9"
    & skf18("10","10","2","5","9","8","1") = "9"
    & skf18("10","10","2","5","9","9","1") = "9"
    & skf18("10","10","2","5","9","10","1") = "9"
    & skf18("10","10","2","5","10","1","1") = "9"
    & skf18("10","10","2","5","10","2","1") = "9"
    & skf18("10","10","2","5","10","3","1") = "9"
    & skf18("10","10","2","5","10","4","1") = "9"
    & skf18("10","10","2","5","10","5","1") = "9"
    & skf18("10","10","2","5","10","6","1") = "9"
    & skf18("10","10","2","5","10","7","1") = "9"
    & skf18("10","10","2","5","10","8","1") = "9"
    & skf18("10","10","2","5","10","9","1") = "9"
    & skf18("10","10","2","5","10","10","1") = "9"
    & skf18("10","10","2","6","1","1","1") = "9"
    & skf18("10","10","2","6","1","2","1") = "9"
    & skf18("10","10","2","6","1","3","1") = "9"
    & skf18("10","10","2","6","1","4","1") = "9"
    & skf18("10","10","2","6","1","5","1") = "9"
    & skf18("10","10","2","6","1","6","1") = "9"
    & skf18("10","10","2","6","1","7","1") = "9"
    & skf18("10","10","2","6","1","8","1") = "9"
    & skf18("10","10","2","6","1","9","1") = "9"
    & skf18("10","10","2","6","1","10","1") = "9"
    & skf18("10","10","2","6","2","1","1") = "9"
    & skf18("10","10","2","6","2","2","1") = "9"
    & skf18("10","10","2","6","2","3","1") = "9"
    & skf18("10","10","2","6","2","4","1") = "9"
    & skf18("10","10","2","6","2","5","1") = "9"
    & skf18("10","10","2","6","2","6","1") = "9"
    & skf18("10","10","2","6","2","7","1") = "9"
    & skf18("10","10","2","6","2","8","1") = "9"
    & skf18("10","10","2","6","2","9","1") = "9"
    & skf18("10","10","2","6","2","10","1") = "9"
    & skf18("10","10","2","6","3","1","1") = "9"
    & skf18("10","10","2","6","3","2","1") = "9"
    & skf18("10","10","2","6","3","3","1") = "9"
    & skf18("10","10","2","6","3","4","1") = "9"
    & skf18("10","10","2","6","3","5","1") = "9"
    & skf18("10","10","2","6","3","6","1") = "9"
    & skf18("10","10","2","6","3","7","1") = "9"
    & skf18("10","10","2","6","3","8","1") = "9"
    & skf18("10","10","2","6","3","9","1") = "9"
    & skf18("10","10","2","6","3","10","1") = "9"
    & skf18("10","10","2","6","4","1","1") = "9"
    & skf18("10","10","2","6","4","2","1") = "9"
    & skf18("10","10","2","6","4","3","1") = "9"
    & skf18("10","10","2","6","4","4","1") = "9"
    & skf18("10","10","2","6","4","5","1") = "9"
    & skf18("10","10","2","6","4","6","1") = "9"
    & skf18("10","10","2","6","4","7","1") = "9"
    & skf18("10","10","2","6","4","8","1") = "9"
    & skf18("10","10","2","6","4","9","1") = "9"
    & skf18("10","10","2","6","4","10","1") = "9"
    & skf18("10","10","2","6","5","1","1") = "9"
    & skf18("10","10","2","6","5","2","1") = "9"
    & skf18("10","10","2","6","5","3","1") = "9"
    & skf18("10","10","2","6","5","4","1") = "9"
    & skf18("10","10","2","6","5","5","1") = "9"
    & skf18("10","10","2","6","5","6","1") = "9"
    & skf18("10","10","2","6","5","7","1") = "9"
    & skf18("10","10","2","6","5","8","1") = "9"
    & skf18("10","10","2","6","5","9","1") = "9"
    & skf18("10","10","2","6","5","10","1") = "9"
    & skf18("10","10","2","6","6","1","1") = "9"
    & skf18("10","10","2","6","6","2","1") = "9"
    & skf18("10","10","2","6","6","3","1") = "9"
    & skf18("10","10","2","6","6","4","1") = "9"
    & skf18("10","10","2","6","6","5","1") = "9"
    & skf18("10","10","2","6","6","6","1") = "9"
    & skf18("10","10","2","6","6","7","1") = "9"
    & skf18("10","10","2","6","6","8","1") = "9"
    & skf18("10","10","2","6","6","9","1") = "9"
    & skf18("10","10","2","6","6","10","1") = "9"
    & skf18("10","10","2","6","7","1","1") = "9"
    & skf18("10","10","2","6","7","2","1") = "9"
    & skf18("10","10","2","6","7","3","1") = "9"
    & skf18("10","10","2","6","7","4","1") = "9"
    & skf18("10","10","2","6","7","5","1") = "9"
    & skf18("10","10","2","6","7","6","1") = "9"
    & skf18("10","10","2","6","7","7","1") = "9"
    & skf18("10","10","2","6","7","8","1") = "9"
    & skf18("10","10","2","6","7","9","1") = "9"
    & skf18("10","10","2","6","7","10","1") = "9"
    & skf18("10","10","2","6","8","1","1") = "9"
    & skf18("10","10","2","6","8","2","1") = "9"
    & skf18("10","10","2","6","8","3","1") = "9"
    & skf18("10","10","2","6","8","4","1") = "9"
    & skf18("10","10","2","6","8","5","1") = "9"
    & skf18("10","10","2","6","8","6","1") = "9"
    & skf18("10","10","2","6","8","7","1") = "9"
    & skf18("10","10","2","6","8","8","1") = "9"
    & skf18("10","10","2","6","8","9","1") = "9"
    & skf18("10","10","2","6","8","10","1") = "9"
    & skf18("10","10","2","6","9","1","1") = "9"
    & skf18("10","10","2","6","9","2","1") = "9"
    & skf18("10","10","2","6","9","3","1") = "9"
    & skf18("10","10","2","6","9","4","1") = "9"
    & skf18("10","10","2","6","9","5","1") = "9"
    & skf18("10","10","2","6","9","6","1") = "9"
    & skf18("10","10","2","6","9","7","1") = "9"
    & skf18("10","10","2","6","9","8","1") = "9"
    & skf18("10","10","2","6","9","9","1") = "9"
    & skf18("10","10","2","6","9","10","1") = "9"
    & skf18("10","10","2","6","10","1","1") = "9"
    & skf18("10","10","2","6","10","2","1") = "9"
    & skf18("10","10","2","6","10","3","1") = "9"
    & skf18("10","10","2","6","10","4","1") = "9"
    & skf18("10","10","2","6","10","5","1") = "9"
    & skf18("10","10","2","6","10","6","1") = "9"
    & skf18("10","10","2","6","10","7","1") = "9"
    & skf18("10","10","2","6","10","8","1") = "9"
    & skf18("10","10","2","6","10","9","1") = "9"
    & skf18("10","10","2","6","10","10","1") = "9"
    & skf18("10","10","2","7","1","1","1") = "9"
    & skf18("10","10","2","7","1","2","1") = "9"
    & skf18("10","10","2","7","1","3","1") = "9"
    & skf18("10","10","2","7","1","4","1") = "9"
    & skf18("10","10","2","7","1","5","1") = "9"
    & skf18("10","10","2","7","1","6","1") = "9"
    & skf18("10","10","2","7","1","7","1") = "9"
    & skf18("10","10","2","7","1","8","1") = "9"
    & skf18("10","10","2","7","1","9","1") = "9"
    & skf18("10","10","2","7","1","10","1") = "9"
    & skf18("10","10","2","7","2","1","1") = "9"
    & skf18("10","10","2","7","2","2","1") = "9"
    & skf18("10","10","2","7","2","3","1") = "9"
    & skf18("10","10","2","7","2","4","1") = "9"
    & skf18("10","10","2","7","2","5","1") = "9"
    & skf18("10","10","2","7","2","6","1") = "9"
    & skf18("10","10","2","7","2","7","1") = "9"
    & skf18("10","10","2","7","2","8","1") = "9"
    & skf18("10","10","2","7","2","9","1") = "9"
    & skf18("10","10","2","7","2","10","1") = "9"
    & skf18("10","10","2","7","3","1","1") = "9"
    & skf18("10","10","2","7","3","2","1") = "9"
    & skf18("10","10","2","7","3","3","1") = "9"
    & skf18("10","10","2","7","3","4","1") = "9"
    & skf18("10","10","2","7","3","5","1") = "9"
    & skf18("10","10","2","7","3","6","1") = "9"
    & skf18("10","10","2","7","3","7","1") = "9"
    & skf18("10","10","2","7","3","8","1") = "9"
    & skf18("10","10","2","7","3","9","1") = "9"
    & skf18("10","10","2","7","3","10","1") = "9"
    & skf18("10","10","2","7","4","1","1") = "9"
    & skf18("10","10","2","7","4","2","1") = "9"
    & skf18("10","10","2","7","4","3","1") = "9"
    & skf18("10","10","2","7","4","4","1") = "9"
    & skf18("10","10","2","7","4","5","1") = "9"
    & skf18("10","10","2","7","4","6","1") = "9"
    & skf18("10","10","2","7","4","7","1") = "9"
    & skf18("10","10","2","7","4","8","1") = "9"
    & skf18("10","10","2","7","4","9","1") = "9"
    & skf18("10","10","2","7","4","10","1") = "9"
    & skf18("10","10","2","7","5","1","1") = "9"
    & skf18("10","10","2","7","5","2","1") = "9"
    & skf18("10","10","2","7","5","3","1") = "9"
    & skf18("10","10","2","7","5","4","1") = "9"
    & skf18("10","10","2","7","5","5","1") = "9"
    & skf18("10","10","2","7","5","6","1") = "9"
    & skf18("10","10","2","7","5","7","1") = "9"
    & skf18("10","10","2","7","5","8","1") = "9"
    & skf18("10","10","2","7","5","9","1") = "9"
    & skf18("10","10","2","7","5","10","1") = "9"
    & skf18("10","10","2","7","6","1","1") = "9"
    & skf18("10","10","2","7","6","2","1") = "9"
    & skf18("10","10","2","7","6","3","1") = "9"
    & skf18("10","10","2","7","6","4","1") = "9"
    & skf18("10","10","2","7","6","5","1") = "9"
    & skf18("10","10","2","7","6","6","1") = "9"
    & skf18("10","10","2","7","6","7","1") = "9"
    & skf18("10","10","2","7","6","8","1") = "9"
    & skf18("10","10","2","7","6","9","1") = "9"
    & skf18("10","10","2","7","6","10","1") = "9"
    & skf18("10","10","2","7","7","1","1") = "9"
    & skf18("10","10","2","7","7","2","1") = "9"
    & skf18("10","10","2","7","7","3","1") = "9"
    & skf18("10","10","2","7","7","4","1") = "9"
    & skf18("10","10","2","7","7","5","1") = "9"
    & skf18("10","10","2","7","7","6","1") = "9"
    & skf18("10","10","2","7","7","7","1") = "9"
    & skf18("10","10","2","7","7","8","1") = "9"
    & skf18("10","10","2","7","7","9","1") = "9"
    & skf18("10","10","2","7","7","10","1") = "9"
    & skf18("10","10","2","7","8","1","1") = "9"
    & skf18("10","10","2","7","8","2","1") = "9"
    & skf18("10","10","2","7","8","3","1") = "9"
    & skf18("10","10","2","7","8","4","1") = "9"
    & skf18("10","10","2","7","8","5","1") = "9"
    & skf18("10","10","2","7","8","6","1") = "9"
    & skf18("10","10","2","7","8","7","1") = "9"
    & skf18("10","10","2","7","8","8","1") = "9"
    & skf18("10","10","2","7","8","9","1") = "9"
    & skf18("10","10","2","7","8","10","1") = "9"
    & skf18("10","10","2","7","9","1","1") = "9"
    & skf18("10","10","2","7","9","2","1") = "9"
    & skf18("10","10","2","7","9","3","1") = "9"
    & skf18("10","10","2","7","9","4","1") = "9"
    & skf18("10","10","2","7","9","5","1") = "9"
    & skf18("10","10","2","7","9","6","1") = "9"
    & skf18("10","10","2","7","9","7","1") = "9"
    & skf18("10","10","2","7","9","8","1") = "9"
    & skf18("10","10","2","7","9","9","1") = "9"
    & skf18("10","10","2","7","9","10","1") = "9"
    & skf18("10","10","2","7","10","1","1") = "9"
    & skf18("10","10","2","7","10","2","1") = "9"
    & skf18("10","10","2","7","10","3","1") = "9"
    & skf18("10","10","2","7","10","4","1") = "9"
    & skf18("10","10","2","7","10","5","1") = "9"
    & skf18("10","10","2","7","10","6","1") = "9"
    & skf18("10","10","2","7","10","7","1") = "9"
    & skf18("10","10","2","7","10","8","1") = "9"
    & skf18("10","10","2","7","10","9","1") = "9"
    & skf18("10","10","2","7","10","10","1") = "9"
    & skf18("10","10","2","8","1","1","1") = "9"
    & skf18("10","10","2","8","1","2","1") = "9"
    & skf18("10","10","2","8","1","3","1") = "9"
    & skf18("10","10","2","8","1","4","1") = "9"
    & skf18("10","10","2","8","1","5","1") = "9"
    & skf18("10","10","2","8","1","6","1") = "9"
    & skf18("10","10","2","8","1","7","1") = "9"
    & skf18("10","10","2","8","1","8","1") = "9"
    & skf18("10","10","2","8","1","9","1") = "9"
    & skf18("10","10","2","8","1","10","1") = "9"
    & skf18("10","10","2","8","2","1","1") = "9"
    & skf18("10","10","2","8","2","2","1") = "9"
    & skf18("10","10","2","8","2","3","1") = "9"
    & skf18("10","10","2","8","2","4","1") = "9"
    & skf18("10","10","2","8","2","5","1") = "9"
    & skf18("10","10","2","8","2","6","1") = "9"
    & skf18("10","10","2","8","2","7","1") = "9"
    & skf18("10","10","2","8","2","8","1") = "9"
    & skf18("10","10","2","8","2","9","1") = "9"
    & skf18("10","10","2","8","2","10","1") = "9"
    & skf18("10","10","2","8","3","1","1") = "9"
    & skf18("10","10","2","8","3","2","1") = "9"
    & skf18("10","10","2","8","3","3","1") = "9"
    & skf18("10","10","2","8","3","4","1") = "9"
    & skf18("10","10","2","8","3","5","1") = "9"
    & skf18("10","10","2","8","3","6","1") = "9"
    & skf18("10","10","2","8","3","7","1") = "9"
    & skf18("10","10","2","8","3","8","1") = "9"
    & skf18("10","10","2","8","3","9","1") = "9"
    & skf18("10","10","2","8","3","10","1") = "9"
    & skf18("10","10","2","8","4","1","1") = "9"
    & skf18("10","10","2","8","4","2","1") = "9"
    & skf18("10","10","2","8","4","3","1") = "9"
    & skf18("10","10","2","8","4","4","1") = "9"
    & skf18("10","10","2","8","4","5","1") = "9"
    & skf18("10","10","2","8","4","6","1") = "9"
    & skf18("10","10","2","8","4","7","1") = "9"
    & skf18("10","10","2","8","4","8","1") = "9"
    & skf18("10","10","2","8","4","9","1") = "9"
    & skf18("10","10","2","8","4","10","1") = "9"
    & skf18("10","10","2","8","5","1","1") = "9"
    & skf18("10","10","2","8","5","2","1") = "9"
    & skf18("10","10","2","8","5","3","1") = "9"
    & skf18("10","10","2","8","5","4","1") = "9"
    & skf18("10","10","2","8","5","5","1") = "9"
    & skf18("10","10","2","8","5","6","1") = "9"
    & skf18("10","10","2","8","5","7","1") = "9"
    & skf18("10","10","2","8","5","8","1") = "9"
    & skf18("10","10","2","8","5","9","1") = "9"
    & skf18("10","10","2","8","5","10","1") = "9"
    & skf18("10","10","2","8","6","1","1") = "9"
    & skf18("10","10","2","8","6","2","1") = "9"
    & skf18("10","10","2","8","6","3","1") = "9"
    & skf18("10","10","2","8","6","4","1") = "9"
    & skf18("10","10","2","8","6","5","1") = "9"
    & skf18("10","10","2","8","6","6","1") = "9"
    & skf18("10","10","2","8","6","7","1") = "9"
    & skf18("10","10","2","8","6","8","1") = "9"
    & skf18("10","10","2","8","6","9","1") = "9"
    & skf18("10","10","2","8","6","10","1") = "9"
    & skf18("10","10","2","8","7","1","1") = "9"
    & skf18("10","10","2","8","7","2","1") = "9"
    & skf18("10","10","2","8","7","3","1") = "9"
    & skf18("10","10","2","8","7","4","1") = "9"
    & skf18("10","10","2","8","7","5","1") = "9"
    & skf18("10","10","2","8","7","6","1") = "9"
    & skf18("10","10","2","8","7","7","1") = "9"
    & skf18("10","10","2","8","7","8","1") = "9"
    & skf18("10","10","2","8","7","9","1") = "9"
    & skf18("10","10","2","8","7","10","1") = "9"
    & skf18("10","10","2","8","8","1","1") = "9"
    & skf18("10","10","2","8","8","2","1") = "9"
    & skf18("10","10","2","8","8","3","1") = "9"
    & skf18("10","10","2","8","8","4","1") = "9"
    & skf18("10","10","2","8","8","5","1") = "9"
    & skf18("10","10","2","8","8","6","1") = "9"
    & skf18("10","10","2","8","8","7","1") = "9"
    & skf18("10","10","2","8","8","8","1") = "9"
    & skf18("10","10","2","8","8","9","1") = "9"
    & skf18("10","10","2","8","8","10","1") = "9"
    & skf18("10","10","2","8","9","1","1") = "9"
    & skf18("10","10","2","8","9","2","1") = "9"
    & skf18("10","10","2","8","9","3","1") = "9"
    & skf18("10","10","2","8","9","4","1") = "9"
    & skf18("10","10","2","8","9","5","1") = "9"
    & skf18("10","10","2","8","9","6","1") = "9"
    & skf18("10","10","2","8","9","7","1") = "9"
    & skf18("10","10","2","8","9","8","1") = "9"
    & skf18("10","10","2","8","9","9","1") = "9"
    & skf18("10","10","2","8","9","10","1") = "9"
    & skf18("10","10","2","8","10","1","1") = "9"
    & skf18("10","10","2","8","10","2","1") = "9"
    & skf18("10","10","2","8","10","3","1") = "9"
    & skf18("10","10","2","8","10","4","1") = "9"
    & skf18("10","10","2","8","10","5","1") = "9"
    & skf18("10","10","2","8","10","6","1") = "9"
    & skf18("10","10","2","8","10","7","1") = "9"
    & skf18("10","10","2","8","10","8","1") = "9"
    & skf18("10","10","2","8","10","9","1") = "9"
    & skf18("10","10","2","8","10","10","1") = "9"
    & skf18("10","10","2","9","1","1","1") = "9"
    & skf18("10","10","2","9","1","2","1") = "9"
    & skf18("10","10","2","9","1","3","1") = "9"
    & skf18("10","10","2","9","1","4","1") = "9"
    & skf18("10","10","2","9","1","5","1") = "9"
    & skf18("10","10","2","9","1","6","1") = "9"
    & skf18("10","10","2","9","1","7","1") = "9"
    & skf18("10","10","2","9","1","8","1") = "9"
    & skf18("10","10","2","9","1","9","1") = "9"
    & skf18("10","10","2","9","1","10","1") = "9"
    & skf18("10","10","2","9","2","1","1") = "9"
    & skf18("10","10","2","9","2","2","1") = "9"
    & skf18("10","10","2","9","2","3","1") = "9"
    & skf18("10","10","2","9","2","4","1") = "9"
    & skf18("10","10","2","9","2","5","1") = "9"
    & skf18("10","10","2","9","2","6","1") = "9"
    & skf18("10","10","2","9","2","7","1") = "9"
    & skf18("10","10","2","9","2","8","1") = "9"
    & skf18("10","10","2","9","2","9","1") = "9"
    & skf18("10","10","2","9","2","10","1") = "9"
    & skf18("10","10","2","9","3","1","1") = "9"
    & skf18("10","10","2","9","3","2","1") = "9"
    & skf18("10","10","2","9","3","3","1") = "9"
    & skf18("10","10","2","9","3","4","1") = "9"
    & skf18("10","10","2","9","3","5","1") = "9"
    & skf18("10","10","2","9","3","6","1") = "9"
    & skf18("10","10","2","9","3","7","1") = "9"
    & skf18("10","10","2","9","3","8","1") = "9"
    & skf18("10","10","2","9","3","9","1") = "9"
    & skf18("10","10","2","9","3","10","1") = "9"
    & skf18("10","10","2","9","4","1","1") = "9"
    & skf18("10","10","2","9","4","2","1") = "9"
    & skf18("10","10","2","9","4","3","1") = "9"
    & skf18("10","10","2","9","4","4","1") = "9"
    & skf18("10","10","2","9","4","5","1") = "9"
    & skf18("10","10","2","9","4","6","1") = "9"
    & skf18("10","10","2","9","4","7","1") = "9"
    & skf18("10","10","2","9","4","8","1") = "9"
    & skf18("10","10","2","9","4","9","1") = "9"
    & skf18("10","10","2","9","4","10","1") = "9"
    & skf18("10","10","2","9","5","1","1") = "9"
    & skf18("10","10","2","9","5","2","1") = "9"
    & skf18("10","10","2","9","5","3","1") = "9"
    & skf18("10","10","2","9","5","4","1") = "9"
    & skf18("10","10","2","9","5","5","1") = "9"
    & skf18("10","10","2","9","5","6","1") = "9"
    & skf18("10","10","2","9","5","7","1") = "9"
    & skf18("10","10","2","9","5","8","1") = "9"
    & skf18("10","10","2","9","5","9","1") = "9"
    & skf18("10","10","2","9","5","10","1") = "9"
    & skf18("10","10","2","9","6","1","1") = "9"
    & skf18("10","10","2","9","6","2","1") = "9"
    & skf18("10","10","2","9","6","3","1") = "9"
    & skf18("10","10","2","9","6","4","1") = "9"
    & skf18("10","10","2","9","6","5","1") = "9"
    & skf18("10","10","2","9","6","6","1") = "9"
    & skf18("10","10","2","9","6","7","1") = "9"
    & skf18("10","10","2","9","6","8","1") = "9"
    & skf18("10","10","2","9","6","9","1") = "9"
    & skf18("10","10","2","9","6","10","1") = "9"
    & skf18("10","10","2","9","7","1","1") = "9"
    & skf18("10","10","2","9","7","2","1") = "9"
    & skf18("10","10","2","9","7","3","1") = "9"
    & skf18("10","10","2","9","7","4","1") = "9"
    & skf18("10","10","2","9","7","5","1") = "9"
    & skf18("10","10","2","9","7","6","1") = "9"
    & skf18("10","10","2","9","7","7","1") = "9"
    & skf18("10","10","2","9","7","8","1") = "9"
    & skf18("10","10","2","9","7","9","1") = "9"
    & skf18("10","10","2","9","7","10","1") = "9"
    & skf18("10","10","2","9","8","1","1") = "9"
    & skf18("10","10","2","9","8","2","1") = "9"
    & skf18("10","10","2","9","8","3","1") = "9"
    & skf18("10","10","2","9","8","4","1") = "9"
    & skf18("10","10","2","9","8","5","1") = "9"
    & skf18("10","10","2","9","8","6","1") = "9"
    & skf18("10","10","2","9","8","7","1") = "9"
    & skf18("10","10","2","9","8","8","1") = "9"
    & skf18("10","10","2","9","8","9","1") = "9"
    & skf18("10","10","2","9","8","10","1") = "9"
    & skf18("10","10","2","9","9","1","1") = "9"
    & skf18("10","10","2","9","9","2","1") = "9"
    & skf18("10","10","2","9","9","3","1") = "9"
    & skf18("10","10","2","9","9","4","1") = "9"
    & skf18("10","10","2","9","9","5","1") = "9"
    & skf18("10","10","2","9","9","6","1") = "9"
    & skf18("10","10","2","9","9","7","1") = "9"
    & skf18("10","10","2","9","9","8","1") = "9"
    & skf18("10","10","2","9","9","9","1") = "9"
    & skf18("10","10","2","9","9","10","1") = "9"
    & skf18("10","10","2","9","10","1","1") = "9"
    & skf18("10","10","2","9","10","2","1") = "9"
    & skf18("10","10","2","9","10","3","1") = "9"
    & skf18("10","10","2","9","10","4","1") = "9"
    & skf18("10","10","2","9","10","5","1") = "9"
    & skf18("10","10","2","9","10","6","1") = "9"
    & skf18("10","10","2","9","10","7","1") = "9"
    & skf18("10","10","2","9","10","8","1") = "9"
    & skf18("10","10","2","9","10","9","1") = "9"
    & skf18("10","10","2","9","10","10","1") = "9"
    & skf18("10","10","2","10","1","1","1") = "9"
    & skf18("10","10","2","10","1","2","1") = "9"
    & skf18("10","10","2","10","1","3","1") = "9"
    & skf18("10","10","2","10","1","4","1") = "9"
    & skf18("10","10","2","10","1","5","1") = "9"
    & skf18("10","10","2","10","1","6","1") = "9"
    & skf18("10","10","2","10","1","7","1") = "9"
    & skf18("10","10","2","10","1","8","1") = "9"
    & skf18("10","10","2","10","1","9","1") = "9"
    & skf18("10","10","2","10","1","10","1") = "9"
    & skf18("10","10","2","10","2","1","1") = "9"
    & skf18("10","10","2","10","2","2","1") = "9"
    & skf18("10","10","2","10","2","3","1") = "9"
    & skf18("10","10","2","10","2","4","1") = "9"
    & skf18("10","10","2","10","2","5","1") = "9"
    & skf18("10","10","2","10","2","6","1") = "9"
    & skf18("10","10","2","10","2","7","1") = "9"
    & skf18("10","10","2","10","2","8","1") = "9"
    & skf18("10","10","2","10","2","9","1") = "9"
    & skf18("10","10","2","10","2","10","1") = "9"
    & skf18("10","10","2","10","3","1","1") = "9"
    & skf18("10","10","2","10","3","2","1") = "9"
    & skf18("10","10","2","10","3","3","1") = "9"
    & skf18("10","10","2","10","3","4","1") = "9"
    & skf18("10","10","2","10","3","5","1") = "9"
    & skf18("10","10","2","10","3","6","1") = "9"
    & skf18("10","10","2","10","3","7","1") = "9"
    & skf18("10","10","2","10","3","8","1") = "9"
    & skf18("10","10","2","10","3","9","1") = "9"
    & skf18("10","10","2","10","3","10","1") = "9"
    & skf18("10","10","2","10","4","1","1") = "9"
    & skf18("10","10","2","10","4","2","1") = "9"
    & skf18("10","10","2","10","4","3","1") = "9"
    & skf18("10","10","2","10","4","4","1") = "9"
    & skf18("10","10","2","10","4","5","1") = "9"
    & skf18("10","10","2","10","4","6","1") = "9"
    & skf18("10","10","2","10","4","7","1") = "9"
    & skf18("10","10","2","10","4","8","1") = "9"
    & skf18("10","10","2","10","4","9","1") = "9"
    & skf18("10","10","2","10","4","10","1") = "9"
    & skf18("10","10","2","10","5","1","1") = "9"
    & skf18("10","10","2","10","5","2","1") = "9"
    & skf18("10","10","2","10","5","3","1") = "9"
    & skf18("10","10","2","10","5","4","1") = "9"
    & skf18("10","10","2","10","5","5","1") = "9"
    & skf18("10","10","2","10","5","6","1") = "9"
    & skf18("10","10","2","10","5","7","1") = "9"
    & skf18("10","10","2","10","5","8","1") = "9"
    & skf18("10","10","2","10","5","9","1") = "9"
    & skf18("10","10","2","10","5","10","1") = "9"
    & skf18("10","10","2","10","6","1","1") = "9"
    & skf18("10","10","2","10","6","2","1") = "9"
    & skf18("10","10","2","10","6","3","1") = "9"
    & skf18("10","10","2","10","6","4","1") = "9"
    & skf18("10","10","2","10","6","5","1") = "9"
    & skf18("10","10","2","10","6","6","1") = "9"
    & skf18("10","10","2","10","6","7","1") = "9"
    & skf18("10","10","2","10","6","8","1") = "9"
    & skf18("10","10","2","10","6","9","1") = "9"
    & skf18("10","10","2","10","6","10","1") = "9"
    & skf18("10","10","2","10","7","1","1") = "9"
    & skf18("10","10","2","10","7","2","1") = "9"
    & skf18("10","10","2","10","7","3","1") = "9"
    & skf18("10","10","2","10","7","4","1") = "9"
    & skf18("10","10","2","10","7","5","1") = "9"
    & skf18("10","10","2","10","7","6","1") = "9"
    & skf18("10","10","2","10","7","7","1") = "9"
    & skf18("10","10","2","10","7","8","1") = "9"
    & skf18("10","10","2","10","7","9","1") = "9"
    & skf18("10","10","2","10","7","10","1") = "9"
    & skf18("10","10","2","10","8","1","1") = "9"
    & skf18("10","10","2","10","8","2","1") = "9"
    & skf18("10","10","2","10","8","3","1") = "9"
    & skf18("10","10","2","10","8","4","1") = "9"
    & skf18("10","10","2","10","8","5","1") = "9"
    & skf18("10","10","2","10","8","6","1") = "9"
    & skf18("10","10","2","10","8","7","1") = "9"
    & skf18("10","10","2","10","8","8","1") = "9"
    & skf18("10","10","2","10","8","9","1") = "9"
    & skf18("10","10","2","10","8","10","1") = "9"
    & skf18("10","10","2","10","9","1","1") = "9"
    & skf18("10","10","2","10","9","2","1") = "9"
    & skf18("10","10","2","10","9","3","1") = "9"
    & skf18("10","10","2","10","9","4","1") = "9"
    & skf18("10","10","2","10","9","5","1") = "9"
    & skf18("10","10","2","10","9","6","1") = "9"
    & skf18("10","10","2","10","9","7","1") = "9"
    & skf18("10","10","2","10","9","8","1") = "9"
    & skf18("10","10","2","10","9","9","1") = "9"
    & skf18("10","10","2","10","9","10","1") = "9"
    & skf18("10","10","2","10","10","1","1") = "9"
    & skf18("10","10","2","10","10","2","1") = "9"
    & skf18("10","10","2","10","10","3","1") = "9"
    & skf18("10","10","2","10","10","4","1") = "9"
    & skf18("10","10","2","10","10","5","1") = "9"
    & skf18("10","10","2","10","10","6","1") = "9"
    & skf18("10","10","2","10","10","7","1") = "9"
    & skf18("10","10","2","10","10","8","1") = "9"
    & skf18("10","10","2","10","10","9","1") = "9"
    & skf18("10","10","2","10","10","10","1") = "9"
    & skf18("10","10","3","1","1","1","1") = "9"
    & skf18("10","10","3","1","1","2","1") = "9"
    & skf18("10","10","3","1","1","3","1") = "9"
    & skf18("10","10","3","1","1","4","1") = "9"
    & skf18("10","10","3","1","1","5","1") = "9"
    & skf18("10","10","3","1","1","6","1") = "9"
    & skf18("10","10","3","1","1","7","1") = "9"
    & skf18("10","10","3","1","1","8","1") = "9"
    & skf18("10","10","3","1","1","9","1") = "9"
    & skf18("10","10","3","1","1","10","1") = "9"
    & skf18("10","10","3","1","2","1","1") = "9"
    & skf18("10","10","3","1","2","2","1") = "9"
    & skf18("10","10","3","1","2","3","1") = "9"
    & skf18("10","10","3","1","2","4","1") = "9"
    & skf18("10","10","3","1","2","5","1") = "9"
    & skf18("10","10","3","1","2","6","1") = "9"
    & skf18("10","10","3","1","2","7","1") = "9"
    & skf18("10","10","3","1","2","8","1") = "9"
    & skf18("10","10","3","1","2","9","1") = "9"
    & skf18("10","10","3","1","2","10","1") = "9"
    & skf18("10","10","3","1","3","1","1") = "9"
    & skf18("10","10","3","1","3","2","1") = "9"
    & skf18("10","10","3","1","3","3","1") = "9"
    & skf18("10","10","3","1","3","4","1") = "9"
    & skf18("10","10","3","1","3","5","1") = "9"
    & skf18("10","10","3","1","3","6","1") = "9"
    & skf18("10","10","3","1","3","7","1") = "9"
    & skf18("10","10","3","1","3","8","1") = "9"
    & skf18("10","10","3","1","3","9","1") = "9"
    & skf18("10","10","3","1","3","10","1") = "9"
    & skf18("10","10","3","1","4","1","1") = "9"
    & skf18("10","10","3","1","4","2","1") = "9"
    & skf18("10","10","3","1","4","3","1") = "9"
    & skf18("10","10","3","1","4","4","1") = "9"
    & skf18("10","10","3","1","4","5","1") = "9"
    & skf18("10","10","3","1","4","6","1") = "9"
    & skf18("10","10","3","1","4","7","1") = "9"
    & skf18("10","10","3","1","4","8","1") = "9"
    & skf18("10","10","3","1","4","9","1") = "9"
    & skf18("10","10","3","1","4","10","1") = "9"
    & skf18("10","10","3","1","5","1","1") = "9"
    & skf18("10","10","3","1","5","2","1") = "9"
    & skf18("10","10","3","1","5","3","1") = "9"
    & skf18("10","10","3","1","5","4","1") = "9"
    & skf18("10","10","3","1","5","5","1") = "9"
    & skf18("10","10","3","1","5","6","1") = "9"
    & skf18("10","10","3","1","5","7","1") = "9"
    & skf18("10","10","3","1","5","8","1") = "9"
    & skf18("10","10","3","1","5","9","1") = "9"
    & skf18("10","10","3","1","5","10","1") = "9"
    & skf18("10","10","3","1","6","1","1") = "9"
    & skf18("10","10","3","1","6","2","1") = "9"
    & skf18("10","10","3","1","6","3","1") = "9"
    & skf18("10","10","3","1","6","4","1") = "9"
    & skf18("10","10","3","1","6","5","1") = "9"
    & skf18("10","10","3","1","6","6","1") = "9"
    & skf18("10","10","3","1","6","7","1") = "9"
    & skf18("10","10","3","1","6","8","1") = "9"
    & skf18("10","10","3","1","6","9","1") = "9"
    & skf18("10","10","3","1","6","10","1") = "9"
    & skf18("10","10","3","1","7","1","1") = "9"
    & skf18("10","10","3","1","7","2","1") = "9"
    & skf18("10","10","3","1","7","3","1") = "9"
    & skf18("10","10","3","1","7","4","1") = "9"
    & skf18("10","10","3","1","7","5","1") = "9"
    & skf18("10","10","3","1","7","6","1") = "9"
    & skf18("10","10","3","1","7","7","1") = "9"
    & skf18("10","10","3","1","7","8","1") = "9"
    & skf18("10","10","3","1","7","9","1") = "9"
    & skf18("10","10","3","1","7","10","1") = "9"
    & skf18("10","10","3","1","8","1","1") = "9"
    & skf18("10","10","3","1","8","2","1") = "9"
    & skf18("10","10","3","1","8","3","1") = "9"
    & skf18("10","10","3","1","8","4","1") = "9"
    & skf18("10","10","3","1","8","5","1") = "9"
    & skf18("10","10","3","1","8","6","1") = "9"
    & skf18("10","10","3","1","8","7","1") = "9"
    & skf18("10","10","3","1","8","8","1") = "9"
    & skf18("10","10","3","1","8","9","1") = "9"
    & skf18("10","10","3","1","8","10","1") = "9"
    & skf18("10","10","3","1","9","1","1") = "9"
    & skf18("10","10","3","1","9","2","1") = "9"
    & skf18("10","10","3","1","9","3","1") = "9"
    & skf18("10","10","3","1","9","4","1") = "9"
    & skf18("10","10","3","1","9","5","1") = "9"
    & skf18("10","10","3","1","9","6","1") = "9"
    & skf18("10","10","3","1","9","7","1") = "9"
    & skf18("10","10","3","1","9","8","1") = "9"
    & skf18("10","10","3","1","9","9","1") = "9"
    & skf18("10","10","3","1","9","10","1") = "9"
    & skf18("10","10","3","1","10","1","1") = "9"
    & skf18("10","10","3","1","10","2","1") = "9"
    & skf18("10","10","3","1","10","3","1") = "9"
    & skf18("10","10","3","1","10","4","1") = "9"
    & skf18("10","10","3","1","10","5","1") = "9"
    & skf18("10","10","3","1","10","6","1") = "9"
    & skf18("10","10","3","1","10","7","1") = "9"
    & skf18("10","10","3","1","10","8","1") = "9"
    & skf18("10","10","3","1","10","9","1") = "9"
    & skf18("10","10","3","1","10","10","1") = "9"
    & skf18("10","10","3","2","1","1","1") = "9"
    & skf18("10","10","3","2","1","2","1") = "9"
    & skf18("10","10","3","2","1","3","1") = "9"
    & skf18("10","10","3","2","1","4","1") = "9"
    & skf18("10","10","3","2","1","5","1") = "9"
    & skf18("10","10","3","2","1","6","1") = "9"
    & skf18("10","10","3","2","1","7","1") = "9"
    & skf18("10","10","3","2","1","8","1") = "9"
    & skf18("10","10","3","2","1","9","1") = "9"
    & skf18("10","10","3","2","1","10","1") = "9"
    & skf18("10","10","3","2","2","1","1") = "9"
    & skf18("10","10","3","2","2","2","1") = "9"
    & skf18("10","10","3","2","2","3","1") = "9"
    & skf18("10","10","3","2","2","4","1") = "9"
    & skf18("10","10","3","2","2","5","1") = "9"
    & skf18("10","10","3","2","2","6","1") = "9"
    & skf18("10","10","3","2","2","7","1") = "9"
    & skf18("10","10","3","2","2","8","1") = "9"
    & skf18("10","10","3","2","2","9","1") = "9"
    & skf18("10","10","3","2","2","10","1") = "9"
    & skf18("10","10","3","2","3","1","1") = "9"
    & skf18("10","10","3","2","3","2","1") = "9"
    & skf18("10","10","3","2","3","3","1") = "9"
    & skf18("10","10","3","2","3","4","1") = "9"
    & skf18("10","10","3","2","3","5","1") = "9"
    & skf18("10","10","3","2","3","6","1") = "9"
    & skf18("10","10","3","2","3","7","1") = "9"
    & skf18("10","10","3","2","3","8","1") = "9"
    & skf18("10","10","3","2","3","9","1") = "9"
    & skf18("10","10","3","2","3","10","1") = "9"
    & skf18("10","10","3","2","4","1","1") = "9"
    & skf18("10","10","3","2","4","2","1") = "9"
    & skf18("10","10","3","2","4","3","1") = "9"
    & skf18("10","10","3","2","4","4","1") = "9"
    & skf18("10","10","3","2","4","5","1") = "9"
    & skf18("10","10","3","2","4","6","1") = "9"
    & skf18("10","10","3","2","4","7","1") = "9"
    & skf18("10","10","3","2","4","8","1") = "9"
    & skf18("10","10","3","2","4","9","1") = "9"
    & skf18("10","10","3","2","4","10","1") = "9"
    & skf18("10","10","3","2","5","1","1") = "9"
    & skf18("10","10","3","2","5","2","1") = "9"
    & skf18("10","10","3","2","5","3","1") = "9"
    & skf18("10","10","3","2","5","4","1") = "9"
    & skf18("10","10","3","2","5","5","1") = "9"
    & skf18("10","10","3","2","5","6","1") = "9"
    & skf18("10","10","3","2","5","7","1") = "9"
    & skf18("10","10","3","2","5","8","1") = "9"
    & skf18("10","10","3","2","5","9","1") = "9"
    & skf18("10","10","3","2","5","10","1") = "9"
    & skf18("10","10","3","2","6","1","1") = "9"
    & skf18("10","10","3","2","6","2","1") = "9"
    & skf18("10","10","3","2","6","3","1") = "9"
    & skf18("10","10","3","2","6","4","1") = "9"
    & skf18("10","10","3","2","6","5","1") = "9"
    & skf18("10","10","3","2","6","6","1") = "9"
    & skf18("10","10","3","2","6","7","1") = "9"
    & skf18("10","10","3","2","6","8","1") = "9"
    & skf18("10","10","3","2","6","9","1") = "9"
    & skf18("10","10","3","2","6","10","1") = "9"
    & skf18("10","10","3","2","7","1","1") = "9"
    & skf18("10","10","3","2","7","2","1") = "9"
    & skf18("10","10","3","2","7","3","1") = "9"
    & skf18("10","10","3","2","7","4","1") = "9"
    & skf18("10","10","3","2","7","5","1") = "9"
    & skf18("10","10","3","2","7","6","1") = "9"
    & skf18("10","10","3","2","7","7","1") = "9"
    & skf18("10","10","3","2","7","8","1") = "9"
    & skf18("10","10","3","2","7","9","1") = "9"
    & skf18("10","10","3","2","7","10","1") = "9"
    & skf18("10","10","3","2","8","1","1") = "9"
    & skf18("10","10","3","2","8","2","1") = "9"
    & skf18("10","10","3","2","8","3","1") = "9"
    & skf18("10","10","3","2","8","4","1") = "9"
    & skf18("10","10","3","2","8","5","1") = "9"
    & skf18("10","10","3","2","8","6","1") = "9"
    & skf18("10","10","3","2","8","7","1") = "9"
    & skf18("10","10","3","2","8","8","1") = "9"
    & skf18("10","10","3","2","8","9","1") = "9"
    & skf18("10","10","3","2","8","10","1") = "9"
    & skf18("10","10","3","2","9","1","1") = "9"
    & skf18("10","10","3","2","9","2","1") = "9"
    & skf18("10","10","3","2","9","3","1") = "9"
    & skf18("10","10","3","2","9","4","1") = "9"
    & skf18("10","10","3","2","9","5","1") = "9"
    & skf18("10","10","3","2","9","6","1") = "9"
    & skf18("10","10","3","2","9","7","1") = "9"
    & skf18("10","10","3","2","9","8","1") = "9"
    & skf18("10","10","3","2","9","9","1") = "9"
    & skf18("10","10","3","2","9","10","1") = "9"
    & skf18("10","10","3","2","10","1","1") = "9"
    & skf18("10","10","3","2","10","2","1") = "9"
    & skf18("10","10","3","2","10","3","1") = "9"
    & skf18("10","10","3","2","10","4","1") = "9"
    & skf18("10","10","3","2","10","5","1") = "9"
    & skf18("10","10","3","2","10","6","1") = "9"
    & skf18("10","10","3","2","10","7","1") = "9"
    & skf18("10","10","3","2","10","8","1") = "9"
    & skf18("10","10","3","2","10","9","1") = "9"
    & skf18("10","10","3","2","10","10","1") = "9"
    & skf18("10","10","3","3","1","1","1") = "9"
    & skf18("10","10","3","3","1","2","1") = "9"
    & skf18("10","10","3","3","1","3","1") = "9"
    & skf18("10","10","3","3","1","4","1") = "9"
    & skf18("10","10","3","3","1","5","1") = "9"
    & skf18("10","10","3","3","1","6","1") = "9"
    & skf18("10","10","3","3","1","7","1") = "9"
    & skf18("10","10","3","3","1","8","1") = "9"
    & skf18("10","10","3","3","1","9","1") = "9"
    & skf18("10","10","3","3","1","10","1") = "9"
    & skf18("10","10","3","3","2","1","1") = "9"
    & skf18("10","10","3","3","2","2","1") = "9"
    & skf18("10","10","3","3","2","3","1") = "9"
    & skf18("10","10","3","3","2","4","1") = "9"
    & skf18("10","10","3","3","2","5","1") = "9"
    & skf18("10","10","3","3","2","6","1") = "9"
    & skf18("10","10","3","3","2","7","1") = "9"
    & skf18("10","10","3","3","2","8","1") = "9"
    & skf18("10","10","3","3","2","9","1") = "9"
    & skf18("10","10","3","3","2","10","1") = "9"
    & skf18("10","10","3","3","3","1","1") = "9"
    & skf18("10","10","3","3","3","2","1") = "9"
    & skf18("10","10","3","3","3","3","1") = "9"
    & skf18("10","10","3","3","3","4","1") = "9"
    & skf18("10","10","3","3","3","5","1") = "9"
    & skf18("10","10","3","3","3","6","1") = "9"
    & skf18("10","10","3","3","3","7","1") = "9"
    & skf18("10","10","3","3","3","8","1") = "9"
    & skf18("10","10","3","3","3","9","1") = "9"
    & skf18("10","10","3","3","3","10","1") = "9"
    & skf18("10","10","3","3","4","1","1") = "9"
    & skf18("10","10","3","3","4","2","1") = "9"
    & skf18("10","10","3","3","4","3","1") = "9"
    & skf18("10","10","3","3","4","4","1") = "9"
    & skf18("10","10","3","3","4","5","1") = "9"
    & skf18("10","10","3","3","4","6","1") = "9"
    & skf18("10","10","3","3","4","7","1") = "9"
    & skf18("10","10","3","3","4","8","1") = "9"
    & skf18("10","10","3","3","4","9","1") = "9"
    & skf18("10","10","3","3","4","10","1") = "9"
    & skf18("10","10","3","3","5","1","1") = "9"
    & skf18("10","10","3","3","5","2","1") = "9"
    & skf18("10","10","3","3","5","3","1") = "9"
    & skf18("10","10","3","3","5","4","1") = "9"
    & skf18("10","10","3","3","5","5","1") = "9"
    & skf18("10","10","3","3","5","6","1") = "9"
    & skf18("10","10","3","3","5","7","1") = "9"
    & skf18("10","10","3","3","5","8","1") = "9"
    & skf18("10","10","3","3","5","9","1") = "9"
    & skf18("10","10","3","3","5","10","1") = "9"
    & skf18("10","10","3","3","6","1","1") = "9"
    & skf18("10","10","3","3","6","2","1") = "9"
    & skf18("10","10","3","3","6","3","1") = "9"
    & skf18("10","10","3","3","6","4","1") = "9"
    & skf18("10","10","3","3","6","5","1") = "9"
    & skf18("10","10","3","3","6","6","1") = "9"
    & skf18("10","10","3","3","6","7","1") = "9"
    & skf18("10","10","3","3","6","8","1") = "9"
    & skf18("10","10","3","3","6","9","1") = "9"
    & skf18("10","10","3","3","6","10","1") = "9"
    & skf18("10","10","3","3","7","1","1") = "9"
    & skf18("10","10","3","3","7","2","1") = "9"
    & skf18("10","10","3","3","7","3","1") = "9"
    & skf18("10","10","3","3","7","4","1") = "9"
    & skf18("10","10","3","3","7","5","1") = "9"
    & skf18("10","10","3","3","7","6","1") = "9"
    & skf18("10","10","3","3","7","7","1") = "9"
    & skf18("10","10","3","3","7","8","1") = "9"
    & skf18("10","10","3","3","7","9","1") = "9"
    & skf18("10","10","3","3","7","10","1") = "9"
    & skf18("10","10","3","3","8","1","1") = "9"
    & skf18("10","10","3","3","8","2","1") = "9"
    & skf18("10","10","3","3","8","3","1") = "9"
    & skf18("10","10","3","3","8","4","1") = "9"
    & skf18("10","10","3","3","8","5","1") = "9"
    & skf18("10","10","3","3","8","6","1") = "9"
    & skf18("10","10","3","3","8","7","1") = "9"
    & skf18("10","10","3","3","8","8","1") = "9"
    & skf18("10","10","3","3","8","9","1") = "9"
    & skf18("10","10","3","3","8","10","1") = "9"
    & skf18("10","10","3","3","9","1","1") = "9"
    & skf18("10","10","3","3","9","2","1") = "9"
    & skf18("10","10","3","3","9","3","1") = "9"
    & skf18("10","10","3","3","9","4","1") = "9"
    & skf18("10","10","3","3","9","5","1") = "9"
    & skf18("10","10","3","3","9","6","1") = "9"
    & skf18("10","10","3","3","9","7","1") = "9"
    & skf18("10","10","3","3","9","8","1") = "9"
    & skf18("10","10","3","3","9","9","1") = "9"
    & skf18("10","10","3","3","9","10","1") = "9"
    & skf18("10","10","3","3","10","1","1") = "9"
    & skf18("10","10","3","3","10","2","1") = "9"
    & skf18("10","10","3","3","10","3","1") = "9"
    & skf18("10","10","3","3","10","4","1") = "9"
    & skf18("10","10","3","3","10","5","1") = "9"
    & skf18("10","10","3","3","10","6","1") = "9"
    & skf18("10","10","3","3","10","7","1") = "9"
    & skf18("10","10","3","3","10","8","1") = "9"
    & skf18("10","10","3","3","10","9","1") = "9"
    & skf18("10","10","3","3","10","10","1") = "9"
    & skf18("10","10","3","4","1","1","1") = "9"
    & skf18("10","10","3","4","1","2","1") = "9"
    & skf18("10","10","3","4","1","3","1") = "9"
    & skf18("10","10","3","4","1","4","1") = "9"
    & skf18("10","10","3","4","1","5","1") = "9"
    & skf18("10","10","3","4","1","6","1") = "9"
    & skf18("10","10","3","4","1","7","1") = "9"
    & skf18("10","10","3","4","1","8","1") = "9"
    & skf18("10","10","3","4","1","9","1") = "9"
    & skf18("10","10","3","4","1","10","1") = "9"
    & skf18("10","10","3","4","2","1","1") = "9"
    & skf18("10","10","3","4","2","2","1") = "9"
    & skf18("10","10","3","4","2","3","1") = "9"
    & skf18("10","10","3","4","2","4","1") = "9"
    & skf18("10","10","3","4","2","5","1") = "9"
    & skf18("10","10","3","4","2","6","1") = "9"
    & skf18("10","10","3","4","2","7","1") = "9"
    & skf18("10","10","3","4","2","8","1") = "9"
    & skf18("10","10","3","4","2","9","1") = "9"
    & skf18("10","10","3","4","2","10","1") = "9"
    & skf18("10","10","3","4","3","1","1") = "9"
    & skf18("10","10","3","4","3","2","1") = "9"
    & skf18("10","10","3","4","3","3","1") = "9"
    & skf18("10","10","3","4","3","4","1") = "9"
    & skf18("10","10","3","4","3","5","1") = "9"
    & skf18("10","10","3","4","3","6","1") = "9"
    & skf18("10","10","3","4","3","7","1") = "9"
    & skf18("10","10","3","4","3","8","1") = "9"
    & skf18("10","10","3","4","3","9","1") = "9"
    & skf18("10","10","3","4","3","10","1") = "9"
    & skf18("10","10","3","4","4","1","1") = "9"
    & skf18("10","10","3","4","4","2","1") = "9"
    & skf18("10","10","3","4","4","3","1") = "9"
    & skf18("10","10","3","4","4","4","1") = "9"
    & skf18("10","10","3","4","4","5","1") = "9"
    & skf18("10","10","3","4","4","6","1") = "9"
    & skf18("10","10","3","4","4","7","1") = "9"
    & skf18("10","10","3","4","4","8","1") = "9"
    & skf18("10","10","3","4","4","9","1") = "9"
    & skf18("10","10","3","4","4","10","1") = "9"
    & skf18("10","10","3","4","5","1","1") = "9"
    & skf18("10","10","3","4","5","2","1") = "9"
    & skf18("10","10","3","4","5","3","1") = "9"
    & skf18("10","10","3","4","5","4","1") = "9"
    & skf18("10","10","3","4","5","5","1") = "9"
    & skf18("10","10","3","4","5","6","1") = "9"
    & skf18("10","10","3","4","5","7","1") = "9"
    & skf18("10","10","3","4","5","8","1") = "9"
    & skf18("10","10","3","4","5","9","1") = "9"
    & skf18("10","10","3","4","5","10","1") = "9"
    & skf18("10","10","3","4","6","1","1") = "9"
    & skf18("10","10","3","4","6","2","1") = "9"
    & skf18("10","10","3","4","6","3","1") = "9"
    & skf18("10","10","3","4","6","4","1") = "9"
    & skf18("10","10","3","4","6","5","1") = "9"
    & skf18("10","10","3","4","6","6","1") = "9"
    & skf18("10","10","3","4","6","7","1") = "9"
    & skf18("10","10","3","4","6","8","1") = "9"
    & skf18("10","10","3","4","6","9","1") = "9"
    & skf18("10","10","3","4","6","10","1") = "9"
    & skf18("10","10","3","4","7","1","1") = "9"
    & skf18("10","10","3","4","7","2","1") = "9"
    & skf18("10","10","3","4","7","3","1") = "9"
    & skf18("10","10","3","4","7","4","1") = "9"
    & skf18("10","10","3","4","7","5","1") = "9"
    & skf18("10","10","3","4","7","6","1") = "9"
    & skf18("10","10","3","4","7","7","1") = "9"
    & skf18("10","10","3","4","7","8","1") = "9"
    & skf18("10","10","3","4","7","9","1") = "9"
    & skf18("10","10","3","4","7","10","1") = "9"
    & skf18("10","10","3","4","8","1","1") = "9"
    & skf18("10","10","3","4","8","2","1") = "9"
    & skf18("10","10","3","4","8","3","1") = "9"
    & skf18("10","10","3","4","8","4","1") = "9"
    & skf18("10","10","3","4","8","5","1") = "9"
    & skf18("10","10","3","4","8","6","1") = "9"
    & skf18("10","10","3","4","8","7","1") = "9"
    & skf18("10","10","3","4","8","8","1") = "9"
    & skf18("10","10","3","4","8","9","1") = "9"
    & skf18("10","10","3","4","8","10","1") = "9"
    & skf18("10","10","3","4","9","1","1") = "9"
    & skf18("10","10","3","4","9","2","1") = "9"
    & skf18("10","10","3","4","9","3","1") = "9"
    & skf18("10","10","3","4","9","4","1") = "9"
    & skf18("10","10","3","4","9","5","1") = "9"
    & skf18("10","10","3","4","9","6","1") = "9"
    & skf18("10","10","3","4","9","7","1") = "9"
    & skf18("10","10","3","4","9","8","1") = "9"
    & skf18("10","10","3","4","9","9","1") = "9"
    & skf18("10","10","3","4","9","10","1") = "9"
    & skf18("10","10","3","4","10","1","1") = "9"
    & skf18("10","10","3","4","10","2","1") = "9"
    & skf18("10","10","3","4","10","3","1") = "9"
    & skf18("10","10","3","4","10","4","1") = "9"
    & skf18("10","10","3","4","10","5","1") = "9"
    & skf18("10","10","3","4","10","6","1") = "9"
    & skf18("10","10","3","4","10","7","1") = "9"
    & skf18("10","10","3","4","10","8","1") = "9"
    & skf18("10","10","3","4","10","9","1") = "9"
    & skf18("10","10","3","4","10","10","1") = "9"
    & skf18("10","10","3","5","1","1","1") = "9"
    & skf18("10","10","3","5","1","2","1") = "9"
    & skf18("10","10","3","5","1","3","1") = "9"
    & skf18("10","10","3","5","1","4","1") = "9"
    & skf18("10","10","3","5","1","5","1") = "9"
    & skf18("10","10","3","5","1","6","1") = "9"
    & skf18("10","10","3","5","1","7","1") = "9"
    & skf18("10","10","3","5","1","8","1") = "9"
    & skf18("10","10","3","5","1","9","1") = "9"
    & skf18("10","10","3","5","1","10","1") = "9"
    & skf18("10","10","3","5","2","1","1") = "9"
    & skf18("10","10","3","5","2","2","1") = "9"
    & skf18("10","10","3","5","2","3","1") = "9"
    & skf18("10","10","3","5","2","4","1") = "9"
    & skf18("10","10","3","5","2","5","1") = "9"
    & skf18("10","10","3","5","2","6","1") = "9"
    & skf18("10","10","3","5","2","7","1") = "9"
    & skf18("10","10","3","5","2","8","1") = "9"
    & skf18("10","10","3","5","2","9","1") = "9"
    & skf18("10","10","3","5","2","10","1") = "9"
    & skf18("10","10","3","5","3","1","1") = "9"
    & skf18("10","10","3","5","3","2","1") = "9"
    & skf18("10","10","3","5","3","3","1") = "9"
    & skf18("10","10","3","5","3","4","1") = "9"
    & skf18("10","10","3","5","3","5","1") = "9"
    & skf18("10","10","3","5","3","6","1") = "9"
    & skf18("10","10","3","5","3","7","1") = "9"
    & skf18("10","10","3","5","3","8","1") = "9"
    & skf18("10","10","3","5","3","9","1") = "9"
    & skf18("10","10","3","5","3","10","1") = "9"
    & skf18("10","10","3","5","4","1","1") = "9"
    & skf18("10","10","3","5","4","2","1") = "9"
    & skf18("10","10","3","5","4","3","1") = "9"
    & skf18("10","10","3","5","4","4","1") = "9"
    & skf18("10","10","3","5","4","5","1") = "9"
    & skf18("10","10","3","5","4","6","1") = "9"
    & skf18("10","10","3","5","4","7","1") = "9"
    & skf18("10","10","3","5","4","8","1") = "9"
    & skf18("10","10","3","5","4","9","1") = "9"
    & skf18("10","10","3","5","4","10","1") = "9"
    & skf18("10","10","3","5","5","1","1") = "9"
    & skf18("10","10","3","5","5","2","1") = "9"
    & skf18("10","10","3","5","5","3","1") = "9"
    & skf18("10","10","3","5","5","4","1") = "9"
    & skf18("10","10","3","5","5","5","1") = "9"
    & skf18("10","10","3","5","5","6","1") = "9"
    & skf18("10","10","3","5","5","7","1") = "9"
    & skf18("10","10","3","5","5","8","1") = "9"
    & skf18("10","10","3","5","5","9","1") = "9"
    & skf18("10","10","3","5","5","10","1") = "9"
    & skf18("10","10","3","5","6","1","1") = "9"
    & skf18("10","10","3","5","6","2","1") = "9"
    & skf18("10","10","3","5","6","3","1") = "9"
    & skf18("10","10","3","5","6","4","1") = "9"
    & skf18("10","10","3","5","6","5","1") = "9"
    & skf18("10","10","3","5","6","6","1") = "9"
    & skf18("10","10","3","5","6","7","1") = "9"
    & skf18("10","10","3","5","6","8","1") = "9"
    & skf18("10","10","3","5","6","9","1") = "9"
    & skf18("10","10","3","5","6","10","1") = "9"
    & skf18("10","10","3","5","7","1","1") = "9"
    & skf18("10","10","3","5","7","2","1") = "9"
    & skf18("10","10","3","5","7","3","1") = "9"
    & skf18("10","10","3","5","7","4","1") = "9"
    & skf18("10","10","3","5","7","5","1") = "9"
    & skf18("10","10","3","5","7","6","1") = "9"
    & skf18("10","10","3","5","7","7","1") = "9"
    & skf18("10","10","3","5","7","8","1") = "9"
    & skf18("10","10","3","5","7","9","1") = "9"
    & skf18("10","10","3","5","7","10","1") = "9"
    & skf18("10","10","3","5","8","1","1") = "9"
    & skf18("10","10","3","5","8","2","1") = "9"
    & skf18("10","10","3","5","8","3","1") = "9"
    & skf18("10","10","3","5","8","4","1") = "9"
    & skf18("10","10","3","5","8","5","1") = "9"
    & skf18("10","10","3","5","8","6","1") = "9"
    & skf18("10","10","3","5","8","7","1") = "9"
    & skf18("10","10","3","5","8","8","1") = "9"
    & skf18("10","10","3","5","8","9","1") = "9"
    & skf18("10","10","3","5","8","10","1") = "9"
    & skf18("10","10","3","5","9","1","1") = "9"
    & skf18("10","10","3","5","9","2","1") = "9"
    & skf18("10","10","3","5","9","3","1") = "9"
    & skf18("10","10","3","5","9","4","1") = "9"
    & skf18("10","10","3","5","9","5","1") = "9"
    & skf18("10","10","3","5","9","6","1") = "9"
    & skf18("10","10","3","5","9","7","1") = "9"
    & skf18("10","10","3","5","9","8","1") = "9"
    & skf18("10","10","3","5","9","9","1") = "9"
    & skf18("10","10","3","5","9","10","1") = "9"
    & skf18("10","10","3","5","10","1","1") = "9"
    & skf18("10","10","3","5","10","2","1") = "9"
    & skf18("10","10","3","5","10","3","1") = "9"
    & skf18("10","10","3","5","10","4","1") = "9"
    & skf18("10","10","3","5","10","5","1") = "9"
    & skf18("10","10","3","5","10","6","1") = "9"
    & skf18("10","10","3","5","10","7","1") = "9"
    & skf18("10","10","3","5","10","8","1") = "9"
    & skf18("10","10","3","5","10","9","1") = "9"
    & skf18("10","10","3","5","10","10","1") = "9"
    & skf18("10","10","3","6","1","1","1") = "9"
    & skf18("10","10","3","6","1","2","1") = "9"
    & skf18("10","10","3","6","1","3","1") = "9"
    & skf18("10","10","3","6","1","4","1") = "9"
    & skf18("10","10","3","6","1","5","1") = "9"
    & skf18("10","10","3","6","1","6","1") = "9"
    & skf18("10","10","3","6","1","7","1") = "9"
    & skf18("10","10","3","6","1","8","1") = "9"
    & skf18("10","10","3","6","1","9","1") = "9"
    & skf18("10","10","3","6","1","10","1") = "9"
    & skf18("10","10","3","6","2","1","1") = "9"
    & skf18("10","10","3","6","2","2","1") = "9"
    & skf18("10","10","3","6","2","3","1") = "9"
    & skf18("10","10","3","6","2","4","1") = "9"
    & skf18("10","10","3","6","2","5","1") = "9"
    & skf18("10","10","3","6","2","6","1") = "9"
    & skf18("10","10","3","6","2","7","1") = "9"
    & skf18("10","10","3","6","2","8","1") = "9"
    & skf18("10","10","3","6","2","9","1") = "9"
    & skf18("10","10","3","6","2","10","1") = "9"
    & skf18("10","10","3","6","3","1","1") = "9"
    & skf18("10","10","3","6","3","2","1") = "9"
    & skf18("10","10","3","6","3","3","1") = "9"
    & skf18("10","10","3","6","3","4","1") = "9"
    & skf18("10","10","3","6","3","5","1") = "9"
    & skf18("10","10","3","6","3","6","1") = "9"
    & skf18("10","10","3","6","3","7","1") = "9"
    & skf18("10","10","3","6","3","8","1") = "9"
    & skf18("10","10","3","6","3","9","1") = "9"
    & skf18("10","10","3","6","3","10","1") = "9"
    & skf18("10","10","3","6","4","1","1") = "9"
    & skf18("10","10","3","6","4","2","1") = "9"
    & skf18("10","10","3","6","4","3","1") = "9"
    & skf18("10","10","3","6","4","4","1") = "9"
    & skf18("10","10","3","6","4","5","1") = "9"
    & skf18("10","10","3","6","4","6","1") = "9"
    & skf18("10","10","3","6","4","7","1") = "9"
    & skf18("10","10","3","6","4","8","1") = "9"
    & skf18("10","10","3","6","4","9","1") = "9"
    & skf18("10","10","3","6","4","10","1") = "9"
    & skf18("10","10","3","6","5","1","1") = "9"
    & skf18("10","10","3","6","5","2","1") = "9"
    & skf18("10","10","3","6","5","3","1") = "9"
    & skf18("10","10","3","6","5","4","1") = "9"
    & skf18("10","10","3","6","5","5","1") = "9"
    & skf18("10","10","3","6","5","6","1") = "9"
    & skf18("10","10","3","6","5","7","1") = "9"
    & skf18("10","10","3","6","5","8","1") = "9"
    & skf18("10","10","3","6","5","9","1") = "9"
    & skf18("10","10","3","6","5","10","1") = "9"
    & skf18("10","10","3","6","6","1","1") = "9"
    & skf18("10","10","3","6","6","2","1") = "9"
    & skf18("10","10","3","6","6","3","1") = "9"
    & skf18("10","10","3","6","6","4","1") = "9"
    & skf18("10","10","3","6","6","5","1") = "9"
    & skf18("10","10","3","6","6","6","1") = "9"
    & skf18("10","10","3","6","6","7","1") = "9"
    & skf18("10","10","3","6","6","8","1") = "9"
    & skf18("10","10","3","6","6","9","1") = "9"
    & skf18("10","10","3","6","6","10","1") = "9"
    & skf18("10","10","3","6","7","1","1") = "9"
    & skf18("10","10","3","6","7","2","1") = "9"
    & skf18("10","10","3","6","7","3","1") = "9"
    & skf18("10","10","3","6","7","4","1") = "9"
    & skf18("10","10","3","6","7","5","1") = "9"
    & skf18("10","10","3","6","7","6","1") = "9"
    & skf18("10","10","3","6","7","7","1") = "9"
    & skf18("10","10","3","6","7","8","1") = "9"
    & skf18("10","10","3","6","7","9","1") = "9"
    & skf18("10","10","3","6","7","10","1") = "9"
    & skf18("10","10","3","6","8","1","1") = "9"
    & skf18("10","10","3","6","8","2","1") = "9"
    & skf18("10","10","3","6","8","3","1") = "9"
    & skf18("10","10","3","6","8","4","1") = "9"
    & skf18("10","10","3","6","8","5","1") = "9"
    & skf18("10","10","3","6","8","6","1") = "9"
    & skf18("10","10","3","6","8","7","1") = "9"
    & skf18("10","10","3","6","8","8","1") = "9"
    & skf18("10","10","3","6","8","9","1") = "9"
    & skf18("10","10","3","6","8","10","1") = "9"
    & skf18("10","10","3","6","9","1","1") = "9"
    & skf18("10","10","3","6","9","2","1") = "9"
    & skf18("10","10","3","6","9","3","1") = "9"
    & skf18("10","10","3","6","9","4","1") = "9"
    & skf18("10","10","3","6","9","5","1") = "9"
    & skf18("10","10","3","6","9","6","1") = "9"
    & skf18("10","10","3","6","9","7","1") = "9"
    & skf18("10","10","3","6","9","8","1") = "9"
    & skf18("10","10","3","6","9","9","1") = "9"
    & skf18("10","10","3","6","9","10","1") = "9"
    & skf18("10","10","3","6","10","1","1") = "9"
    & skf18("10","10","3","6","10","2","1") = "9"
    & skf18("10","10","3","6","10","3","1") = "9"
    & skf18("10","10","3","6","10","4","1") = "9"
    & skf18("10","10","3","6","10","5","1") = "9"
    & skf18("10","10","3","6","10","6","1") = "9"
    & skf18("10","10","3","6","10","7","1") = "9"
    & skf18("10","10","3","6","10","8","1") = "9"
    & skf18("10","10","3","6","10","9","1") = "9"
    & skf18("10","10","3","6","10","10","1") = "9"
    & skf18("10","10","3","7","1","1","1") = "9"
    & skf18("10","10","3","7","1","2","1") = "9"
    & skf18("10","10","3","7","1","3","1") = "9"
    & skf18("10","10","3","7","1","4","1") = "9"
    & skf18("10","10","3","7","1","5","1") = "9"
    & skf18("10","10","3","7","1","6","1") = "9"
    & skf18("10","10","3","7","1","7","1") = "9"
    & skf18("10","10","3","7","1","8","1") = "9"
    & skf18("10","10","3","7","1","9","1") = "9"
    & skf18("10","10","3","7","1","10","1") = "9"
    & skf18("10","10","3","7","2","1","1") = "9"
    & skf18("10","10","3","7","2","2","1") = "9"
    & skf18("10","10","3","7","2","3","1") = "9"
    & skf18("10","10","3","7","2","4","1") = "9"
    & skf18("10","10","3","7","2","5","1") = "9"
    & skf18("10","10","3","7","2","6","1") = "9"
    & skf18("10","10","3","7","2","7","1") = "9"
    & skf18("10","10","3","7","2","8","1") = "9"
    & skf18("10","10","3","7","2","9","1") = "9"
    & skf18("10","10","3","7","2","10","1") = "9"
    & skf18("10","10","3","7","3","1","1") = "9"
    & skf18("10","10","3","7","3","2","1") = "9"
    & skf18("10","10","3","7","3","3","1") = "9"
    & skf18("10","10","3","7","3","4","1") = "9"
    & skf18("10","10","3","7","3","5","1") = "9"
    & skf18("10","10","3","7","3","6","1") = "9"
    & skf18("10","10","3","7","3","7","1") = "9"
    & skf18("10","10","3","7","3","8","1") = "9"
    & skf18("10","10","3","7","3","9","1") = "9"
    & skf18("10","10","3","7","3","10","1") = "9"
    & skf18("10","10","3","7","4","1","1") = "9"
    & skf18("10","10","3","7","4","2","1") = "9"
    & skf18("10","10","3","7","4","3","1") = "9"
    & skf18("10","10","3","7","4","4","1") = "9"
    & skf18("10","10","3","7","4","5","1") = "9"
    & skf18("10","10","3","7","4","6","1") = "9"
    & skf18("10","10","3","7","4","7","1") = "9"
    & skf18("10","10","3","7","4","8","1") = "9"
    & skf18("10","10","3","7","4","9","1") = "9"
    & skf18("10","10","3","7","4","10","1") = "9"
    & skf18("10","10","3","7","5","1","1") = "9"
    & skf18("10","10","3","7","5","2","1") = "9"
    & skf18("10","10","3","7","5","3","1") = "9"
    & skf18("10","10","3","7","5","4","1") = "9"
    & skf18("10","10","3","7","5","5","1") = "9"
    & skf18("10","10","3","7","5","6","1") = "9"
    & skf18("10","10","3","7","5","7","1") = "9"
    & skf18("10","10","3","7","5","8","1") = "9"
    & skf18("10","10","3","7","5","9","1") = "9"
    & skf18("10","10","3","7","5","10","1") = "9"
    & skf18("10","10","3","7","6","1","1") = "9"
    & skf18("10","10","3","7","6","2","1") = "9"
    & skf18("10","10","3","7","6","3","1") = "9"
    & skf18("10","10","3","7","6","4","1") = "9"
    & skf18("10","10","3","7","6","5","1") = "9"
    & skf18("10","10","3","7","6","6","1") = "9"
    & skf18("10","10","3","7","6","7","1") = "9"
    & skf18("10","10","3","7","6","8","1") = "9"
    & skf18("10","10","3","7","6","9","1") = "9"
    & skf18("10","10","3","7","6","10","1") = "9"
    & skf18("10","10","3","7","7","1","1") = "9"
    & skf18("10","10","3","7","7","2","1") = "9"
    & skf18("10","10","3","7","7","3","1") = "9"
    & skf18("10","10","3","7","7","4","1") = "9"
    & skf18("10","10","3","7","7","5","1") = "9"
    & skf18("10","10","3","7","7","6","1") = "9"
    & skf18("10","10","3","7","7","7","1") = "9"
    & skf18("10","10","3","7","7","8","1") = "9"
    & skf18("10","10","3","7","7","9","1") = "9"
    & skf18("10","10","3","7","7","10","1") = "9"
    & skf18("10","10","3","7","8","1","1") = "9"
    & skf18("10","10","3","7","8","2","1") = "9"
    & skf18("10","10","3","7","8","3","1") = "9"
    & skf18("10","10","3","7","8","4","1") = "9"
    & skf18("10","10","3","7","8","5","1") = "9"
    & skf18("10","10","3","7","8","6","1") = "9"
    & skf18("10","10","3","7","8","7","1") = "9"
    & skf18("10","10","3","7","8","8","1") = "9"
    & skf18("10","10","3","7","8","9","1") = "9"
    & skf18("10","10","3","7","8","10","1") = "9"
    & skf18("10","10","3","7","9","1","1") = "9"
    & skf18("10","10","3","7","9","2","1") = "9"
    & skf18("10","10","3","7","9","3","1") = "9"
    & skf18("10","10","3","7","9","4","1") = "9"
    & skf18("10","10","3","7","9","5","1") = "9"
    & skf18("10","10","3","7","9","6","1") = "9"
    & skf18("10","10","3","7","9","7","1") = "9"
    & skf18("10","10","3","7","9","8","1") = "9"
    & skf18("10","10","3","7","9","9","1") = "9"
    & skf18("10","10","3","7","9","10","1") = "9"
    & skf18("10","10","3","7","10","1","1") = "9"
    & skf18("10","10","3","7","10","2","1") = "9"
    & skf18("10","10","3","7","10","3","1") = "9"
    & skf18("10","10","3","7","10","4","1") = "9"
    & skf18("10","10","3","7","10","5","1") = "9"
    & skf18("10","10","3","7","10","6","1") = "9"
    & skf18("10","10","3","7","10","7","1") = "9"
    & skf18("10","10","3","7","10","8","1") = "9"
    & skf18("10","10","3","7","10","9","1") = "9"
    & skf18("10","10","3","7","10","10","1") = "9"
    & skf18("10","10","3","8","1","1","1") = "9"
    & skf18("10","10","3","8","1","2","1") = "9"
    & skf18("10","10","3","8","1","3","1") = "9"
    & skf18("10","10","3","8","1","4","1") = "9"
    & skf18("10","10","3","8","1","5","1") = "9"
    & skf18("10","10","3","8","1","6","1") = "9"
    & skf18("10","10","3","8","1","7","1") = "9"
    & skf18("10","10","3","8","1","8","1") = "9"
    & skf18("10","10","3","8","1","9","1") = "9"
    & skf18("10","10","3","8","1","10","1") = "9"
    & skf18("10","10","3","8","2","1","1") = "9"
    & skf18("10","10","3","8","2","2","1") = "9"
    & skf18("10","10","3","8","2","3","1") = "9"
    & skf18("10","10","3","8","2","4","1") = "9"
    & skf18("10","10","3","8","2","5","1") = "9"
    & skf18("10","10","3","8","2","6","1") = "9"
    & skf18("10","10","3","8","2","7","1") = "9"
    & skf18("10","10","3","8","2","8","1") = "9"
    & skf18("10","10","3","8","2","9","1") = "9"
    & skf18("10","10","3","8","2","10","1") = "9"
    & skf18("10","10","3","8","3","1","1") = "9"
    & skf18("10","10","3","8","3","2","1") = "9"
    & skf18("10","10","3","8","3","3","1") = "9"
    & skf18("10","10","3","8","3","4","1") = "9"
    & skf18("10","10","3","8","3","5","1") = "9"
    & skf18("10","10","3","8","3","6","1") = "9"
    & skf18("10","10","3","8","3","7","1") = "9"
    & skf18("10","10","3","8","3","8","1") = "9"
    & skf18("10","10","3","8","3","9","1") = "9"
    & skf18("10","10","3","8","3","10","1") = "9"
    & skf18("10","10","3","8","4","1","1") = "9"
    & skf18("10","10","3","8","4","2","1") = "9"
    & skf18("10","10","3","8","4","3","1") = "9"
    & skf18("10","10","3","8","4","4","1") = "9"
    & skf18("10","10","3","8","4","5","1") = "9"
    & skf18("10","10","3","8","4","6","1") = "9"
    & skf18("10","10","3","8","4","7","1") = "9"
    & skf18("10","10","3","8","4","8","1") = "9"
    & skf18("10","10","3","8","4","9","1") = "9"
    & skf18("10","10","3","8","4","10","1") = "9"
    & skf18("10","10","3","8","5","1","1") = "9"
    & skf18("10","10","3","8","5","2","1") = "9"
    & skf18("10","10","3","8","5","3","1") = "9"
    & skf18("10","10","3","8","5","4","1") = "9"
    & skf18("10","10","3","8","5","5","1") = "9"
    & skf18("10","10","3","8","5","6","1") = "9"
    & skf18("10","10","3","8","5","7","1") = "9"
    & skf18("10","10","3","8","5","8","1") = "9"
    & skf18("10","10","3","8","5","9","1") = "9"
    & skf18("10","10","3","8","5","10","1") = "9"
    & skf18("10","10","3","8","6","1","1") = "9"
    & skf18("10","10","3","8","6","2","1") = "9"
    & skf18("10","10","3","8","6","3","1") = "9"
    & skf18("10","10","3","8","6","4","1") = "9"
    & skf18("10","10","3","8","6","5","1") = "9"
    & skf18("10","10","3","8","6","6","1") = "9"
    & skf18("10","10","3","8","6","7","1") = "9"
    & skf18("10","10","3","8","6","8","1") = "9"
    & skf18("10","10","3","8","6","9","1") = "9"
    & skf18("10","10","3","8","6","10","1") = "9"
    & skf18("10","10","3","8","7","1","1") = "9"
    & skf18("10","10","3","8","7","2","1") = "9"
    & skf18("10","10","3","8","7","3","1") = "9"
    & skf18("10","10","3","8","7","4","1") = "9"
    & skf18("10","10","3","8","7","5","1") = "9"
    & skf18("10","10","3","8","7","6","1") = "9"
    & skf18("10","10","3","8","7","7","1") = "9"
    & skf18("10","10","3","8","7","8","1") = "9"
    & skf18("10","10","3","8","7","9","1") = "9"
    & skf18("10","10","3","8","7","10","1") = "9"
    & skf18("10","10","3","8","8","1","1") = "9"
    & skf18("10","10","3","8","8","2","1") = "9"
    & skf18("10","10","3","8","8","3","1") = "9"
    & skf18("10","10","3","8","8","4","1") = "9"
    & skf18("10","10","3","8","8","5","1") = "9"
    & skf18("10","10","3","8","8","6","1") = "9"
    & skf18("10","10","3","8","8","7","1") = "9"
    & skf18("10","10","3","8","8","8","1") = "9"
    & skf18("10","10","3","8","8","9","1") = "9"
    & skf18("10","10","3","8","8","10","1") = "9"
    & skf18("10","10","3","8","9","1","1") = "9"
    & skf18("10","10","3","8","9","2","1") = "9"
    & skf18("10","10","3","8","9","3","1") = "9"
    & skf18("10","10","3","8","9","4","1") = "9"
    & skf18("10","10","3","8","9","5","1") = "9"
    & skf18("10","10","3","8","9","6","1") = "9"
    & skf18("10","10","3","8","9","7","1") = "9"
    & skf18("10","10","3","8","9","8","1") = "9"
    & skf18("10","10","3","8","9","9","1") = "9"
    & skf18("10","10","3","8","9","10","1") = "9"
    & skf18("10","10","3","8","10","1","1") = "9"
    & skf18("10","10","3","8","10","2","1") = "9"
    & skf18("10","10","3","8","10","3","1") = "9"
    & skf18("10","10","3","8","10","4","1") = "9"
    & skf18("10","10","3","8","10","5","1") = "9"
    & skf18("10","10","3","8","10","6","1") = "9"
    & skf18("10","10","3","8","10","7","1") = "9"
    & skf18("10","10","3","8","10","8","1") = "9"
    & skf18("10","10","3","8","10","9","1") = "9"
    & skf18("10","10","3","8","10","10","1") = "9"
    & skf18("10","10","3","9","1","1","1") = "9"
    & skf18("10","10","3","9","1","2","1") = "9"
    & skf18("10","10","3","9","1","3","1") = "9"
    & skf18("10","10","3","9","1","4","1") = "9"
    & skf18("10","10","3","9","1","5","1") = "9"
    & skf18("10","10","3","9","1","6","1") = "9"
    & skf18("10","10","3","9","1","7","1") = "9"
    & skf18("10","10","3","9","1","8","1") = "9"
    & skf18("10","10","3","9","1","9","1") = "9"
    & skf18("10","10","3","9","1","10","1") = "9"
    & skf18("10","10","3","9","2","1","1") = "9"
    & skf18("10","10","3","9","2","2","1") = "9"
    & skf18("10","10","3","9","2","3","1") = "9"
    & skf18("10","10","3","9","2","4","1") = "9"
    & skf18("10","10","3","9","2","5","1") = "9"
    & skf18("10","10","3","9","2","6","1") = "9"
    & skf18("10","10","3","9","2","7","1") = "9"
    & skf18("10","10","3","9","2","8","1") = "9"
    & skf18("10","10","3","9","2","9","1") = "9"
    & skf18("10","10","3","9","2","10","1") = "9"
    & skf18("10","10","3","9","3","1","1") = "9"
    & skf18("10","10","3","9","3","2","1") = "9"
    & skf18("10","10","3","9","3","3","1") = "9"
    & skf18("10","10","3","9","3","4","1") = "9"
    & skf18("10","10","3","9","3","5","1") = "9"
    & skf18("10","10","3","9","3","6","1") = "9"
    & skf18("10","10","3","9","3","7","1") = "9"
    & skf18("10","10","3","9","3","8","1") = "9"
    & skf18("10","10","3","9","3","9","1") = "9"
    & skf18("10","10","3","9","3","10","1") = "9"
    & skf18("10","10","3","9","4","1","1") = "9"
    & skf18("10","10","3","9","4","2","1") = "9"
    & skf18("10","10","3","9","4","3","1") = "9"
    & skf18("10","10","3","9","4","4","1") = "9"
    & skf18("10","10","3","9","4","5","1") = "9"
    & skf18("10","10","3","9","4","6","1") = "9"
    & skf18("10","10","3","9","4","7","1") = "9"
    & skf18("10","10","3","9","4","8","1") = "9"
    & skf18("10","10","3","9","4","9","1") = "9"
    & skf18("10","10","3","9","4","10","1") = "9"
    & skf18("10","10","3","9","5","1","1") = "9"
    & skf18("10","10","3","9","5","2","1") = "9"
    & skf18("10","10","3","9","5","3","1") = "9"
    & skf18("10","10","3","9","5","4","1") = "9"
    & skf18("10","10","3","9","5","5","1") = "9"
    & skf18("10","10","3","9","5","6","1") = "9"
    & skf18("10","10","3","9","5","7","1") = "9"
    & skf18("10","10","3","9","5","8","1") = "9"
    & skf18("10","10","3","9","5","9","1") = "9"
    & skf18("10","10","3","9","5","10","1") = "9"
    & skf18("10","10","3","9","6","1","1") = "9"
    & skf18("10","10","3","9","6","2","1") = "9"
    & skf18("10","10","3","9","6","3","1") = "9"
    & skf18("10","10","3","9","6","4","1") = "9"
    & skf18("10","10","3","9","6","5","1") = "9"
    & skf18("10","10","3","9","6","6","1") = "9"
    & skf18("10","10","3","9","6","7","1") = "9"
    & skf18("10","10","3","9","6","8","1") = "9"
    & skf18("10","10","3","9","6","9","1") = "9"
    & skf18("10","10","3","9","6","10","1") = "9"
    & skf18("10","10","3","9","7","1","1") = "9"
    & skf18("10","10","3","9","7","2","1") = "9"
    & skf18("10","10","3","9","7","3","1") = "9"
    & skf18("10","10","3","9","7","4","1") = "9"
    & skf18("10","10","3","9","7","5","1") = "9"
    & skf18("10","10","3","9","7","6","1") = "9"
    & skf18("10","10","3","9","7","7","1") = "9"
    & skf18("10","10","3","9","7","8","1") = "9"
    & skf18("10","10","3","9","7","9","1") = "9"
    & skf18("10","10","3","9","7","10","1") = "9"
    & skf18("10","10","3","9","8","1","1") = "9"
    & skf18("10","10","3","9","8","2","1") = "9"
    & skf18("10","10","3","9","8","3","1") = "9"
    & skf18("10","10","3","9","8","4","1") = "9"
    & skf18("10","10","3","9","8","5","1") = "9"
    & skf18("10","10","3","9","8","6","1") = "9"
    & skf18("10","10","3","9","8","7","1") = "9"
    & skf18("10","10","3","9","8","8","1") = "9"
    & skf18("10","10","3","9","8","9","1") = "9"
    & skf18("10","10","3","9","8","10","1") = "9"
    & skf18("10","10","3","9","9","1","1") = "9"
    & skf18("10","10","3","9","9","2","1") = "9"
    & skf18("10","10","3","9","9","3","1") = "9"
    & skf18("10","10","3","9","9","4","1") = "9"
    & skf18("10","10","3","9","9","5","1") = "9"
    & skf18("10","10","3","9","9","6","1") = "9"
    & skf18("10","10","3","9","9","7","1") = "9"
    & skf18("10","10","3","9","9","8","1") = "9"
    & skf18("10","10","3","9","9","9","1") = "9"
    & skf18("10","10","3","9","9","10","1") = "9"
    & skf18("10","10","3","9","10","1","1") = "9"
    & skf18("10","10","3","9","10","2","1") = "9"
    & skf18("10","10","3","9","10","3","1") = "9"
    & skf18("10","10","3","9","10","4","1") = "9"
    & skf18("10","10","3","9","10","5","1") = "9"
    & skf18("10","10","3","9","10","6","1") = "9"
    & skf18("10","10","3","9","10","7","1") = "9"
    & skf18("10","10","3","9","10","8","1") = "9"
    & skf18("10","10","3","9","10","9","1") = "9"
    & skf18("10","10","3","9","10","10","1") = "9"
    & skf18("10","10","3","10","1","1","1") = "9"
    & skf18("10","10","3","10","1","2","1") = "9"
    & skf18("10","10","3","10","1","3","1") = "9"
    & skf18("10","10","3","10","1","4","1") = "9"
    & skf18("10","10","3","10","1","5","1") = "9"
    & skf18("10","10","3","10","1","6","1") = "9"
    & skf18("10","10","3","10","1","7","1") = "9"
    & skf18("10","10","3","10","1","8","1") = "9"
    & skf18("10","10","3","10","1","9","1") = "9"
    & skf18("10","10","3","10","1","10","1") = "9"
    & skf18("10","10","3","10","2","1","1") = "9"
    & skf18("10","10","3","10","2","2","1") = "9"
    & skf18("10","10","3","10","2","3","1") = "9"
    & skf18("10","10","3","10","2","4","1") = "9"
    & skf18("10","10","3","10","2","5","1") = "9"
    & skf18("10","10","3","10","2","6","1") = "9"
    & skf18("10","10","3","10","2","7","1") = "9"
    & skf18("10","10","3","10","2","8","1") = "9"
    & skf18("10","10","3","10","2","9","1") = "9"
    & skf18("10","10","3","10","2","10","1") = "9"
    & skf18("10","10","3","10","3","1","1") = "9"
    & skf18("10","10","3","10","3","2","1") = "9"
    & skf18("10","10","3","10","3","3","1") = "9"
    & skf18("10","10","3","10","3","4","1") = "9"
    & skf18("10","10","3","10","3","5","1") = "9"
    & skf18("10","10","3","10","3","6","1") = "9"
    & skf18("10","10","3","10","3","7","1") = "9"
    & skf18("10","10","3","10","3","8","1") = "9"
    & skf18("10","10","3","10","3","9","1") = "9"
    & skf18("10","10","3","10","3","10","1") = "9"
    & skf18("10","10","3","10","4","1","1") = "9"
    & skf18("10","10","3","10","4","2","1") = "9"
    & skf18("10","10","3","10","4","3","1") = "9"
    & skf18("10","10","3","10","4","4","1") = "9"
    & skf18("10","10","3","10","4","5","1") = "9"
    & skf18("10","10","3","10","4","6","1") = "9"
    & skf18("10","10","3","10","4","7","1") = "9"
    & skf18("10","10","3","10","4","8","1") = "9"
    & skf18("10","10","3","10","4","9","1") = "9"
    & skf18("10","10","3","10","4","10","1") = "9"
    & skf18("10","10","3","10","5","1","1") = "9"
    & skf18("10","10","3","10","5","2","1") = "9"
    & skf18("10","10","3","10","5","3","1") = "9"
    & skf18("10","10","3","10","5","4","1") = "9"
    & skf18("10","10","3","10","5","5","1") = "9"
    & skf18("10","10","3","10","5","6","1") = "9"
    & skf18("10","10","3","10","5","7","1") = "9"
    & skf18("10","10","3","10","5","8","1") = "9"
    & skf18("10","10","3","10","5","9","1") = "9"
    & skf18("10","10","3","10","5","10","1") = "9"
    & skf18("10","10","3","10","6","1","1") = "9"
    & skf18("10","10","3","10","6","2","1") = "9"
    & skf18("10","10","3","10","6","3","1") = "9"
    & skf18("10","10","3","10","6","4","1") = "9"
    & skf18("10","10","3","10","6","5","1") = "9"
    & skf18("10","10","3","10","6","6","1") = "9"
    & skf18("10","10","3","10","6","7","1") = "9"
    & skf18("10","10","3","10","6","8","1") = "9"
    & skf18("10","10","3","10","6","9","1") = "9"
    & skf18("10","10","3","10","6","10","1") = "9"
    & skf18("10","10","3","10","7","1","1") = "9"
    & skf18("10","10","3","10","7","2","1") = "9"
    & skf18("10","10","3","10","7","3","1") = "9"
    & skf18("10","10","3","10","7","4","1") = "9"
    & skf18("10","10","3","10","7","5","1") = "9"
    & skf18("10","10","3","10","7","6","1") = "9"
    & skf18("10","10","3","10","7","7","1") = "9"
    & skf18("10","10","3","10","7","8","1") = "9"
    & skf18("10","10","3","10","7","9","1") = "9"
    & skf18("10","10","3","10","7","10","1") = "9"
    & skf18("10","10","3","10","8","1","1") = "9"
    & skf18("10","10","3","10","8","2","1") = "9"
    & skf18("10","10","3","10","8","3","1") = "9"
    & skf18("10","10","3","10","8","4","1") = "9"
    & skf18("10","10","3","10","8","5","1") = "9"
    & skf18("10","10","3","10","8","6","1") = "9"
    & skf18("10","10","3","10","8","7","1") = "9"
    & skf18("10","10","3","10","8","8","1") = "9"
    & skf18("10","10","3","10","8","9","1") = "9"
    & skf18("10","10","3","10","8","10","1") = "9"
    & skf18("10","10","3","10","9","1","1") = "9"
    & skf18("10","10","3","10","9","2","1") = "9"
    & skf18("10","10","3","10","9","3","1") = "9"
    & skf18("10","10","3","10","9","4","1") = "9"
    & skf18("10","10","3","10","9","5","1") = "9"
    & skf18("10","10","3","10","9","6","1") = "9"
    & skf18("10","10","3","10","9","7","1") = "9"
    & skf18("10","10","3","10","9","8","1") = "9"
    & skf18("10","10","3","10","9","9","1") = "9"
    & skf18("10","10","3","10","9","10","1") = "9"
    & skf18("10","10","3","10","10","1","1") = "9"
    & skf18("10","10","3","10","10","2","1") = "9"
    & skf18("10","10","3","10","10","3","1") = "9"
    & skf18("10","10","3","10","10","4","1") = "9"
    & skf18("10","10","3","10","10","5","1") = "9"
    & skf18("10","10","3","10","10","6","1") = "9"
    & skf18("10","10","3","10","10","7","1") = "9"
    & skf18("10","10","3","10","10","8","1") = "9"
    & skf18("10","10","3","10","10","9","1") = "9"
    & skf18("10","10","3","10","10","10","1") = "9"
    & skf18("10","10","4","1","1","1","1") = "9"
    & skf18("10","10","4","1","1","2","1") = "9"
    & skf18("10","10","4","1","1","3","1") = "9"
    & skf18("10","10","4","1","1","4","1") = "9"
    & skf18("10","10","4","1","1","5","1") = "9"
    & skf18("10","10","4","1","1","6","1") = "9"
    & skf18("10","10","4","1","1","7","1") = "9"
    & skf18("10","10","4","1","1","8","1") = "9"
    & skf18("10","10","4","1","1","9","1") = "9"
    & skf18("10","10","4","1","1","10","1") = "9"
    & skf18("10","10","4","1","2","1","1") = "9"
    & skf18("10","10","4","1","2","2","1") = "9"
    & skf18("10","10","4","1","2","3","1") = "9"
    & skf18("10","10","4","1","2","4","1") = "9"
    & skf18("10","10","4","1","2","5","1") = "9"
    & skf18("10","10","4","1","2","6","1") = "9"
    & skf18("10","10","4","1","2","7","1") = "9"
    & skf18("10","10","4","1","2","8","1") = "9"
    & skf18("10","10","4","1","2","9","1") = "9"
    & skf18("10","10","4","1","2","10","1") = "9"
    & skf18("10","10","4","1","3","1","1") = "9"
    & skf18("10","10","4","1","3","2","1") = "9"
    & skf18("10","10","4","1","3","3","1") = "9"
    & skf18("10","10","4","1","3","4","1") = "9"
    & skf18("10","10","4","1","3","5","1") = "9"
    & skf18("10","10","4","1","3","6","1") = "9"
    & skf18("10","10","4","1","3","7","1") = "9"
    & skf18("10","10","4","1","3","8","1") = "9"
    & skf18("10","10","4","1","3","9","1") = "9"
    & skf18("10","10","4","1","3","10","1") = "9"
    & skf18("10","10","4","1","4","1","1") = "9"
    & skf18("10","10","4","1","4","2","1") = "9"
    & skf18("10","10","4","1","4","3","1") = "9"
    & skf18("10","10","4","1","4","4","1") = "9"
    & skf18("10","10","4","1","4","5","1") = "9"
    & skf18("10","10","4","1","4","6","1") = "9"
    & skf18("10","10","4","1","4","7","1") = "9"
    & skf18("10","10","4","1","4","8","1") = "9"
    & skf18("10","10","4","1","4","9","1") = "9"
    & skf18("10","10","4","1","4","10","1") = "9"
    & skf18("10","10","4","1","5","1","1") = "9"
    & skf18("10","10","4","1","5","2","1") = "9"
    & skf18("10","10","4","1","5","3","1") = "9"
    & skf18("10","10","4","1","5","4","1") = "9"
    & skf18("10","10","4","1","5","5","1") = "9"
    & skf18("10","10","4","1","5","6","1") = "9"
    & skf18("10","10","4","1","5","7","1") = "9"
    & skf18("10","10","4","1","5","8","1") = "9"
    & skf18("10","10","4","1","5","9","1") = "9"
    & skf18("10","10","4","1","5","10","1") = "9"
    & skf18("10","10","4","1","6","1","1") = "9"
    & skf18("10","10","4","1","6","2","1") = "9"
    & skf18("10","10","4","1","6","3","1") = "9"
    & skf18("10","10","4","1","6","4","1") = "9"
    & skf18("10","10","4","1","6","5","1") = "9"
    & skf18("10","10","4","1","6","6","1") = "9"
    & skf18("10","10","4","1","6","7","1") = "9"
    & skf18("10","10","4","1","6","8","1") = "9"
    & skf18("10","10","4","1","6","9","1") = "9"
    & skf18("10","10","4","1","6","10","1") = "9"
    & skf18("10","10","4","1","7","1","1") = "9"
    & skf18("10","10","4","1","7","2","1") = "9"
    & skf18("10","10","4","1","7","3","1") = "9"
    & skf18("10","10","4","1","7","4","1") = "9"
    & skf18("10","10","4","1","7","5","1") = "9"
    & skf18("10","10","4","1","7","6","1") = "9"
    & skf18("10","10","4","1","7","7","1") = "9"
    & skf18("10","10","4","1","7","8","1") = "9"
    & skf18("10","10","4","1","7","9","1") = "9"
    & skf18("10","10","4","1","7","10","1") = "9"
    & skf18("10","10","4","1","8","1","1") = "9"
    & skf18("10","10","4","1","8","2","1") = "9"
    & skf18("10","10","4","1","8","3","1") = "9"
    & skf18("10","10","4","1","8","4","1") = "9"
    & skf18("10","10","4","1","8","5","1") = "9"
    & skf18("10","10","4","1","8","6","1") = "9"
    & skf18("10","10","4","1","8","7","1") = "9"
    & skf18("10","10","4","1","8","8","1") = "9"
    & skf18("10","10","4","1","8","9","1") = "9"
    & skf18("10","10","4","1","8","10","1") = "9"
    & skf18("10","10","4","1","9","1","1") = "9"
    & skf18("10","10","4","1","9","2","1") = "9"
    & skf18("10","10","4","1","9","3","1") = "9"
    & skf18("10","10","4","1","9","4","1") = "9"
    & skf18("10","10","4","1","9","5","1") = "9"
    & skf18("10","10","4","1","9","6","1") = "9"
    & skf18("10","10","4","1","9","7","1") = "9"
    & skf18("10","10","4","1","9","8","1") = "9"
    & skf18("10","10","4","1","9","9","1") = "9"
    & skf18("10","10","4","1","9","10","1") = "9"
    & skf18("10","10","4","1","10","1","1") = "9"
    & skf18("10","10","4","1","10","2","1") = "9"
    & skf18("10","10","4","1","10","3","1") = "9"
    & skf18("10","10","4","1","10","4","1") = "9"
    & skf18("10","10","4","1","10","5","1") = "9"
    & skf18("10","10","4","1","10","6","1") = "9"
    & skf18("10","10","4","1","10","7","1") = "9"
    & skf18("10","10","4","1","10","8","1") = "9"
    & skf18("10","10","4","1","10","9","1") = "9"
    & skf18("10","10","4","1","10","10","1") = "9"
    & skf18("10","10","4","2","1","1","1") = "9"
    & skf18("10","10","4","2","1","2","1") = "9"
    & skf18("10","10","4","2","1","3","1") = "9"
    & skf18("10","10","4","2","1","4","1") = "9"
    & skf18("10","10","4","2","1","5","1") = "9"
    & skf18("10","10","4","2","1","6","1") = "9"
    & skf18("10","10","4","2","1","7","1") = "9"
    & skf18("10","10","4","2","1","8","1") = "9"
    & skf18("10","10","4","2","1","9","1") = "9"
    & skf18("10","10","4","2","1","10","1") = "9"
    & skf18("10","10","4","2","2","1","1") = "9"
    & skf18("10","10","4","2","2","2","1") = "9"
    & skf18("10","10","4","2","2","3","1") = "9"
    & skf18("10","10","4","2","2","4","1") = "9"
    & skf18("10","10","4","2","2","5","1") = "9"
    & skf18("10","10","4","2","2","6","1") = "9"
    & skf18("10","10","4","2","2","7","1") = "9"
    & skf18("10","10","4","2","2","8","1") = "9"
    & skf18("10","10","4","2","2","9","1") = "9"
    & skf18("10","10","4","2","2","10","1") = "9"
    & skf18("10","10","4","2","3","1","1") = "9"
    & skf18("10","10","4","2","3","2","1") = "9"
    & skf18("10","10","4","2","3","3","1") = "9"
    & skf18("10","10","4","2","3","4","1") = "9"
    & skf18("10","10","4","2","3","5","1") = "9"
    & skf18("10","10","4","2","3","6","1") = "9"
    & skf18("10","10","4","2","3","7","1") = "9"
    & skf18("10","10","4","2","3","8","1") = "9"
    & skf18("10","10","4","2","3","9","1") = "9"
    & skf18("10","10","4","2","3","10","1") = "9"
    & skf18("10","10","4","2","4","1","1") = "9"
    & skf18("10","10","4","2","4","2","1") = "9"
    & skf18("10","10","4","2","4","3","1") = "9"
    & skf18("10","10","4","2","4","4","1") = "9"
    & skf18("10","10","4","2","4","5","1") = "9"
    & skf18("10","10","4","2","4","6","1") = "9"
    & skf18("10","10","4","2","4","7","1") = "9"
    & skf18("10","10","4","2","4","8","1") = "9"
    & skf18("10","10","4","2","4","9","1") = "9"
    & skf18("10","10","4","2","4","10","1") = "9"
    & skf18("10","10","4","2","5","1","1") = "9"
    & skf18("10","10","4","2","5","2","1") = "9"
    & skf18("10","10","4","2","5","3","1") = "9"
    & skf18("10","10","4","2","5","4","1") = "9"
    & skf18("10","10","4","2","5","5","1") = "9"
    & skf18("10","10","4","2","5","6","1") = "9"
    & skf18("10","10","4","2","5","7","1") = "9"
    & skf18("10","10","4","2","5","8","1") = "9"
    & skf18("10","10","4","2","5","9","1") = "9"
    & skf18("10","10","4","2","5","10","1") = "9"
    & skf18("10","10","4","2","6","1","1") = "9"
    & skf18("10","10","4","2","6","2","1") = "9"
    & skf18("10","10","4","2","6","3","1") = "9"
    & skf18("10","10","4","2","6","4","1") = "9"
    & skf18("10","10","4","2","6","5","1") = "9"
    & skf18("10","10","4","2","6","6","1") = "9"
    & skf18("10","10","4","2","6","7","1") = "9"
    & skf18("10","10","4","2","6","8","1") = "9"
    & skf18("10","10","4","2","6","9","1") = "9"
    & skf18("10","10","4","2","6","10","1") = "9"
    & skf18("10","10","4","2","7","1","1") = "9"
    & skf18("10","10","4","2","7","2","1") = "9"
    & skf18("10","10","4","2","7","3","1") = "9"
    & skf18("10","10","4","2","7","4","1") = "9"
    & skf18("10","10","4","2","7","5","1") = "9"
    & skf18("10","10","4","2","7","6","1") = "9"
    & skf18("10","10","4","2","7","7","1") = "9"
    & skf18("10","10","4","2","7","8","1") = "9"
    & skf18("10","10","4","2","7","9","1") = "9"
    & skf18("10","10","4","2","7","10","1") = "9"
    & skf18("10","10","4","2","8","1","1") = "9"
    & skf18("10","10","4","2","8","2","1") = "9"
    & skf18("10","10","4","2","8","3","1") = "9"
    & skf18("10","10","4","2","8","4","1") = "9"
    & skf18("10","10","4","2","8","5","1") = "9"
    & skf18("10","10","4","2","8","6","1") = "9"
    & skf18("10","10","4","2","8","7","1") = "9"
    & skf18("10","10","4","2","8","8","1") = "9"
    & skf18("10","10","4","2","8","9","1") = "9"
    & skf18("10","10","4","2","8","10","1") = "9"
    & skf18("10","10","4","2","9","1","1") = "9"
    & skf18("10","10","4","2","9","2","1") = "9"
    & skf18("10","10","4","2","9","3","1") = "9"
    & skf18("10","10","4","2","9","4","1") = "9"
    & skf18("10","10","4","2","9","5","1") = "9"
    & skf18("10","10","4","2","9","6","1") = "9"
    & skf18("10","10","4","2","9","7","1") = "9"
    & skf18("10","10","4","2","9","8","1") = "9"
    & skf18("10","10","4","2","9","9","1") = "9"
    & skf18("10","10","4","2","9","10","1") = "9"
    & skf18("10","10","4","2","10","1","1") = "9"
    & skf18("10","10","4","2","10","2","1") = "9"
    & skf18("10","10","4","2","10","3","1") = "9"
    & skf18("10","10","4","2","10","4","1") = "9"
    & skf18("10","10","4","2","10","5","1") = "9"
    & skf18("10","10","4","2","10","6","1") = "9"
    & skf18("10","10","4","2","10","7","1") = "9"
    & skf18("10","10","4","2","10","8","1") = "9"
    & skf18("10","10","4","2","10","9","1") = "9"
    & skf18("10","10","4","2","10","10","1") = "9"
    & skf18("10","10","4","3","1","1","1") = "9"
    & skf18("10","10","4","3","1","2","1") = "9"
    & skf18("10","10","4","3","1","3","1") = "9"
    & skf18("10","10","4","3","1","4","1") = "9"
    & skf18("10","10","4","3","1","5","1") = "9"
    & skf18("10","10","4","3","1","6","1") = "9"
    & skf18("10","10","4","3","1","7","1") = "9"
    & skf18("10","10","4","3","1","8","1") = "9"
    & skf18("10","10","4","3","1","9","1") = "9"
    & skf18("10","10","4","3","1","10","1") = "9"
    & skf18("10","10","4","3","2","1","1") = "9"
    & skf18("10","10","4","3","2","2","1") = "9"
    & skf18("10","10","4","3","2","3","1") = "9"
    & skf18("10","10","4","3","2","4","1") = "9"
    & skf18("10","10","4","3","2","5","1") = "9"
    & skf18("10","10","4","3","2","6","1") = "9"
    & skf18("10","10","4","3","2","7","1") = "9"
    & skf18("10","10","4","3","2","8","1") = "9"
    & skf18("10","10","4","3","2","9","1") = "9"
    & skf18("10","10","4","3","2","10","1") = "9"
    & skf18("10","10","4","3","3","1","1") = "9"
    & skf18("10","10","4","3","3","2","1") = "9"
    & skf18("10","10","4","3","3","3","1") = "9"
    & skf18("10","10","4","3","3","4","1") = "9"
    & skf18("10","10","4","3","3","5","1") = "9"
    & skf18("10","10","4","3","3","6","1") = "9"
    & skf18("10","10","4","3","3","7","1") = "9"
    & skf18("10","10","4","3","3","8","1") = "9"
    & skf18("10","10","4","3","3","9","1") = "9"
    & skf18("10","10","4","3","3","10","1") = "9"
    & skf18("10","10","4","3","4","1","1") = "9"
    & skf18("10","10","4","3","4","2","1") = "9"
    & skf18("10","10","4","3","4","3","1") = "9"
    & skf18("10","10","4","3","4","4","1") = "9"
    & skf18("10","10","4","3","4","5","1") = "9"
    & skf18("10","10","4","3","4","6","1") = "9"
    & skf18("10","10","4","3","4","7","1") = "9"
    & skf18("10","10","4","3","4","8","1") = "9"
    & skf18("10","10","4","3","4","9","1") = "9"
    & skf18("10","10","4","3","4","10","1") = "9"
    & skf18("10","10","4","3","5","1","1") = "9"
    & skf18("10","10","4","3","5","2","1") = "9"
    & skf18("10","10","4","3","5","3","1") = "9"
    & skf18("10","10","4","3","5","4","1") = "9"
    & skf18("10","10","4","3","5","5","1") = "9"
    & skf18("10","10","4","3","5","6","1") = "9"
    & skf18("10","10","4","3","5","7","1") = "9"
    & skf18("10","10","4","3","5","8","1") = "9"
    & skf18("10","10","4","3","5","9","1") = "9"
    & skf18("10","10","4","3","5","10","1") = "9"
    & skf18("10","10","4","3","6","1","1") = "9"
    & skf18("10","10","4","3","6","2","1") = "9"
    & skf18("10","10","4","3","6","3","1") = "9"
    & skf18("10","10","4","3","6","4","1") = "9"
    & skf18("10","10","4","3","6","5","1") = "9"
    & skf18("10","10","4","3","6","6","1") = "9"
    & skf18("10","10","4","3","6","7","1") = "9"
    & skf18("10","10","4","3","6","8","1") = "9"
    & skf18("10","10","4","3","6","9","1") = "9"
    & skf18("10","10","4","3","6","10","1") = "9"
    & skf18("10","10","4","3","7","1","1") = "9"
    & skf18("10","10","4","3","7","2","1") = "9"
    & skf18("10","10","4","3","7","3","1") = "9"
    & skf18("10","10","4","3","7","4","1") = "9"
    & skf18("10","10","4","3","7","5","1") = "9"
    & skf18("10","10","4","3","7","6","1") = "9"
    & skf18("10","10","4","3","7","7","1") = "9"
    & skf18("10","10","4","3","7","8","1") = "9"
    & skf18("10","10","4","3","7","9","1") = "9"
    & skf18("10","10","4","3","7","10","1") = "9"
    & skf18("10","10","4","3","8","1","1") = "9"
    & skf18("10","10","4","3","8","2","1") = "9"
    & skf18("10","10","4","3","8","3","1") = "9"
    & skf18("10","10","4","3","8","4","1") = "9"
    & skf18("10","10","4","3","8","5","1") = "9"
    & skf18("10","10","4","3","8","6","1") = "9"
    & skf18("10","10","4","3","8","7","1") = "9"
    & skf18("10","10","4","3","8","8","1") = "9"
    & skf18("10","10","4","3","8","9","1") = "9"
    & skf18("10","10","4","3","8","10","1") = "9"
    & skf18("10","10","4","3","9","1","1") = "9"
    & skf18("10","10","4","3","9","2","1") = "9"
    & skf18("10","10","4","3","9","3","1") = "9"
    & skf18("10","10","4","3","9","4","1") = "9"
    & skf18("10","10","4","3","9","5","1") = "9"
    & skf18("10","10","4","3","9","6","1") = "9"
    & skf18("10","10","4","3","9","7","1") = "9"
    & skf18("10","10","4","3","9","8","1") = "9"
    & skf18("10","10","4","3","9","9","1") = "9"
    & skf18("10","10","4","3","9","10","1") = "9"
    & skf18("10","10","4","3","10","1","1") = "9"
    & skf18("10","10","4","3","10","2","1") = "9"
    & skf18("10","10","4","3","10","3","1") = "9"
    & skf18("10","10","4","3","10","4","1") = "9"
    & skf18("10","10","4","3","10","5","1") = "9"
    & skf18("10","10","4","3","10","6","1") = "9"
    & skf18("10","10","4","3","10","7","1") = "9"
    & skf18("10","10","4","3","10","8","1") = "9"
    & skf18("10","10","4","3","10","9","1") = "9"
    & skf18("10","10","4","3","10","10","1") = "9"
    & skf18("10","10","4","4","1","1","1") = "9"
    & skf18("10","10","4","4","1","2","1") = "9"
    & skf18("10","10","4","4","1","3","1") = "9"
    & skf18("10","10","4","4","1","4","1") = "9"
    & skf18("10","10","4","4","1","5","1") = "9"
    & skf18("10","10","4","4","1","6","1") = "9"
    & skf18("10","10","4","4","1","7","1") = "9"
    & skf18("10","10","4","4","1","8","1") = "9"
    & skf18("10","10","4","4","1","9","1") = "9"
    & skf18("10","10","4","4","1","10","1") = "9"
    & skf18("10","10","4","4","2","1","1") = "9"
    & skf18("10","10","4","4","2","2","1") = "9"
    & skf18("10","10","4","4","2","3","1") = "9"
    & skf18("10","10","4","4","2","4","1") = "9"
    & skf18("10","10","4","4","2","5","1") = "9"
    & skf18("10","10","4","4","2","6","1") = "9"
    & skf18("10","10","4","4","2","7","1") = "9"
    & skf18("10","10","4","4","2","8","1") = "9"
    & skf18("10","10","4","4","2","9","1") = "9"
    & skf18("10","10","4","4","2","10","1") = "9"
    & skf18("10","10","4","4","3","1","1") = "9"
    & skf18("10","10","4","4","3","2","1") = "9"
    & skf18("10","10","4","4","3","3","1") = "9"
    & skf18("10","10","4","4","3","4","1") = "9"
    & skf18("10","10","4","4","3","5","1") = "9"
    & skf18("10","10","4","4","3","6","1") = "9"
    & skf18("10","10","4","4","3","7","1") = "9"
    & skf18("10","10","4","4","3","8","1") = "9"
    & skf18("10","10","4","4","3","9","1") = "9"
    & skf18("10","10","4","4","3","10","1") = "9"
    & skf18("10","10","4","4","4","1","1") = "9"
    & skf18("10","10","4","4","4","2","1") = "9"
    & skf18("10","10","4","4","4","3","1") = "9"
    & skf18("10","10","4","4","4","4","1") = "9"
    & skf18("10","10","4","4","4","5","1") = "9"
    & skf18("10","10","4","4","4","6","1") = "9"
    & skf18("10","10","4","4","4","7","1") = "9"
    & skf18("10","10","4","4","4","8","1") = "9"
    & skf18("10","10","4","4","4","9","1") = "9"
    & skf18("10","10","4","4","4","10","1") = "9"
    & skf18("10","10","4","4","5","1","1") = "9"
    & skf18("10","10","4","4","5","2","1") = "9"
    & skf18("10","10","4","4","5","3","1") = "9"
    & skf18("10","10","4","4","5","4","1") = "9"
    & skf18("10","10","4","4","5","5","1") = "9"
    & skf18("10","10","4","4","5","6","1") = "9"
    & skf18("10","10","4","4","5","7","1") = "9"
    & skf18("10","10","4","4","5","8","1") = "9"
    & skf18("10","10","4","4","5","9","1") = "9"
    & skf18("10","10","4","4","5","10","1") = "9"
    & skf18("10","10","4","4","6","1","1") = "9"
    & skf18("10","10","4","4","6","2","1") = "9"
    & skf18("10","10","4","4","6","3","1") = "9"
    & skf18("10","10","4","4","6","4","1") = "9"
    & skf18("10","10","4","4","6","5","1") = "9"
    & skf18("10","10","4","4","6","6","1") = "9"
    & skf18("10","10","4","4","6","7","1") = "9"
    & skf18("10","10","4","4","6","8","1") = "9"
    & skf18("10","10","4","4","6","9","1") = "9"
    & skf18("10","10","4","4","6","10","1") = "9"
    & skf18("10","10","4","4","7","1","1") = "9"
    & skf18("10","10","4","4","7","2","1") = "9"
    & skf18("10","10","4","4","7","3","1") = "9"
    & skf18("10","10","4","4","7","4","1") = "9"
    & skf18("10","10","4","4","7","5","1") = "9"
    & skf18("10","10","4","4","7","6","1") = "9"
    & skf18("10","10","4","4","7","7","1") = "9"
    & skf18("10","10","4","4","7","8","1") = "9"
    & skf18("10","10","4","4","7","9","1") = "9"
    & skf18("10","10","4","4","7","10","1") = "9"
    & skf18("10","10","4","4","8","1","1") = "9"
    & skf18("10","10","4","4","8","2","1") = "9"
    & skf18("10","10","4","4","8","3","1") = "9"
    & skf18("10","10","4","4","8","4","1") = "9"
    & skf18("10","10","4","4","8","5","1") = "9"
    & skf18("10","10","4","4","8","6","1") = "9"
    & skf18("10","10","4","4","8","7","1") = "9"
    & skf18("10","10","4","4","8","8","1") = "9"
    & skf18("10","10","4","4","8","9","1") = "9"
    & skf18("10","10","4","4","8","10","1") = "9"
    & skf18("10","10","4","4","9","1","1") = "9"
    & skf18("10","10","4","4","9","2","1") = "9"
    & skf18("10","10","4","4","9","3","1") = "9"
    & skf18("10","10","4","4","9","4","1") = "9"
    & skf18("10","10","4","4","9","5","1") = "9"
    & skf18("10","10","4","4","9","6","1") = "9"
    & skf18("10","10","4","4","9","7","1") = "9"
    & skf18("10","10","4","4","9","8","1") = "9"
    & skf18("10","10","4","4","9","9","1") = "9"
    & skf18("10","10","4","4","9","10","1") = "9"
    & skf18("10","10","4","4","10","1","1") = "9"
    & skf18("10","10","4","4","10","2","1") = "9"
    & skf18("10","10","4","4","10","3","1") = "9"
    & skf18("10","10","4","4","10","4","1") = "9"
    & skf18("10","10","4","4","10","5","1") = "9"
    & skf18("10","10","4","4","10","6","1") = "9"
    & skf18("10","10","4","4","10","7","1") = "9"
    & skf18("10","10","4","4","10","8","1") = "9"
    & skf18("10","10","4","4","10","9","1") = "9"
    & skf18("10","10","4","4","10","10","1") = "9"
    & skf18("10","10","4","5","1","1","1") = "9"
    & skf18("10","10","4","5","1","2","1") = "9"
    & skf18("10","10","4","5","1","3","1") = "9"
    & skf18("10","10","4","5","1","4","1") = "9"
    & skf18("10","10","4","5","1","5","1") = "9"
    & skf18("10","10","4","5","1","6","1") = "9"
    & skf18("10","10","4","5","1","7","1") = "9"
    & skf18("10","10","4","5","1","8","1") = "9"
    & skf18("10","10","4","5","1","9","1") = "9"
    & skf18("10","10","4","5","1","10","1") = "9"
    & skf18("10","10","4","5","2","1","1") = "9"
    & skf18("10","10","4","5","2","2","1") = "9"
    & skf18("10","10","4","5","2","3","1") = "9"
    & skf18("10","10","4","5","2","4","1") = "9"
    & skf18("10","10","4","5","2","5","1") = "9"
    & skf18("10","10","4","5","2","6","1") = "9"
    & skf18("10","10","4","5","2","7","1") = "9"
    & skf18("10","10","4","5","2","8","1") = "9"
    & skf18("10","10","4","5","2","9","1") = "9"
    & skf18("10","10","4","5","2","10","1") = "9"
    & skf18("10","10","4","5","3","1","1") = "9"
    & skf18("10","10","4","5","3","2","1") = "9"
    & skf18("10","10","4","5","3","3","1") = "9"
    & skf18("10","10","4","5","3","4","1") = "9"
    & skf18("10","10","4","5","3","5","1") = "9"
    & skf18("10","10","4","5","3","6","1") = "9"
    & skf18("10","10","4","5","3","7","1") = "9"
    & skf18("10","10","4","5","3","8","1") = "9"
    & skf18("10","10","4","5","3","9","1") = "9"
    & skf18("10","10","4","5","3","10","1") = "9"
    & skf18("10","10","4","5","4","1","1") = "9"
    & skf18("10","10","4","5","4","2","1") = "9"
    & skf18("10","10","4","5","4","3","1") = "9"
    & skf18("10","10","4","5","4","4","1") = "9"
    & skf18("10","10","4","5","4","5","1") = "9"
    & skf18("10","10","4","5","4","6","1") = "9"
    & skf18("10","10","4","5","4","7","1") = "9"
    & skf18("10","10","4","5","4","8","1") = "9"
    & skf18("10","10","4","5","4","9","1") = "9"
    & skf18("10","10","4","5","4","10","1") = "9"
    & skf18("10","10","4","5","5","1","1") = "9"
    & skf18("10","10","4","5","5","2","1") = "9"
    & skf18("10","10","4","5","5","3","1") = "9"
    & skf18("10","10","4","5","5","4","1") = "9"
    & skf18("10","10","4","5","5","5","1") = "9"
    & skf18("10","10","4","5","5","6","1") = "9"
    & skf18("10","10","4","5","5","7","1") = "9"
    & skf18("10","10","4","5","5","8","1") = "9"
    & skf18("10","10","4","5","5","9","1") = "9"
    & skf18("10","10","4","5","5","10","1") = "9"
    & skf18("10","10","4","5","6","1","1") = "9"
    & skf18("10","10","4","5","6","2","1") = "9"
    & skf18("10","10","4","5","6","3","1") = "9"
    & skf18("10","10","4","5","6","4","1") = "9"
    & skf18("10","10","4","5","6","5","1") = "9"
    & skf18("10","10","4","5","6","6","1") = "9"
    & skf18("10","10","4","5","6","7","1") = "9"
    & skf18("10","10","4","5","6","8","1") = "9"
    & skf18("10","10","4","5","6","9","1") = "9"
    & skf18("10","10","4","5","6","10","1") = "9"
    & skf18("10","10","4","5","7","1","1") = "9"
    & skf18("10","10","4","5","7","2","1") = "9"
    & skf18("10","10","4","5","7","3","1") = "9"
    & skf18("10","10","4","5","7","4","1") = "9"
    & skf18("10","10","4","5","7","5","1") = "9"
    & skf18("10","10","4","5","7","6","1") = "9"
    & skf18("10","10","4","5","7","7","1") = "9"
    & skf18("10","10","4","5","7","8","1") = "9"
    & skf18("10","10","4","5","7","9","1") = "9"
    & skf18("10","10","4","5","7","10","1") = "9"
    & skf18("10","10","4","5","8","1","1") = "9"
    & skf18("10","10","4","5","8","2","1") = "9"
    & skf18("10","10","4","5","8","3","1") = "9"
    & skf18("10","10","4","5","8","4","1") = "9"
    & skf18("10","10","4","5","8","5","1") = "9"
    & skf18("10","10","4","5","8","6","1") = "9"
    & skf18("10","10","4","5","8","7","1") = "9"
    & skf18("10","10","4","5","8","8","1") = "9"
    & skf18("10","10","4","5","8","9","1") = "9"
    & skf18("10","10","4","5","8","10","1") = "9"
    & skf18("10","10","4","5","9","1","1") = "9"
    & skf18("10","10","4","5","9","2","1") = "9"
    & skf18("10","10","4","5","9","3","1") = "9"
    & skf18("10","10","4","5","9","4","1") = "9"
    & skf18("10","10","4","5","9","5","1") = "9"
    & skf18("10","10","4","5","9","6","1") = "9"
    & skf18("10","10","4","5","9","7","1") = "9"
    & skf18("10","10","4","5","9","8","1") = "9"
    & skf18("10","10","4","5","9","9","1") = "9"
    & skf18("10","10","4","5","9","10","1") = "9"
    & skf18("10","10","4","5","10","1","1") = "9"
    & skf18("10","10","4","5","10","2","1") = "9"
    & skf18("10","10","4","5","10","3","1") = "9"
    & skf18("10","10","4","5","10","4","1") = "9"
    & skf18("10","10","4","5","10","5","1") = "9"
    & skf18("10","10","4","5","10","6","1") = "9"
    & skf18("10","10","4","5","10","7","1") = "9"
    & skf18("10","10","4","5","10","8","1") = "9"
    & skf18("10","10","4","5","10","9","1") = "9"
    & skf18("10","10","4","5","10","10","1") = "9"
    & skf18("10","10","4","6","1","1","1") = "9"
    & skf18("10","10","4","6","1","2","1") = "9"
    & skf18("10","10","4","6","1","3","1") = "9"
    & skf18("10","10","4","6","1","4","1") = "9"
    & skf18("10","10","4","6","1","5","1") = "9"
    & skf18("10","10","4","6","1","6","1") = "9"
    & skf18("10","10","4","6","1","7","1") = "9"
    & skf18("10","10","4","6","1","8","1") = "9"
    & skf18("10","10","4","6","1","9","1") = "9"
    & skf18("10","10","4","6","1","10","1") = "9"
    & skf18("10","10","4","6","2","1","1") = "9"
    & skf18("10","10","4","6","2","2","1") = "9"
    & skf18("10","10","4","6","2","3","1") = "9"
    & skf18("10","10","4","6","2","4","1") = "9"
    & skf18("10","10","4","6","2","5","1") = "9"
    & skf18("10","10","4","6","2","6","1") = "9"
    & skf18("10","10","4","6","2","7","1") = "9"
    & skf18("10","10","4","6","2","8","1") = "9"
    & skf18("10","10","4","6","2","9","1") = "9"
    & skf18("10","10","4","6","2","10","1") = "9"
    & skf18("10","10","4","6","3","1","1") = "9"
    & skf18("10","10","4","6","3","2","1") = "9"
    & skf18("10","10","4","6","3","3","1") = "9"
    & skf18("10","10","4","6","3","4","1") = "9"
    & skf18("10","10","4","6","3","5","1") = "9"
    & skf18("10","10","4","6","3","6","1") = "9"
    & skf18("10","10","4","6","3","7","1") = "9"
    & skf18("10","10","4","6","3","8","1") = "9"
    & skf18("10","10","4","6","3","9","1") = "9"
    & skf18("10","10","4","6","3","10","1") = "9"
    & skf18("10","10","4","6","4","1","1") = "9"
    & skf18("10","10","4","6","4","2","1") = "9"
    & skf18("10","10","4","6","4","3","1") = "9"
    & skf18("10","10","4","6","4","4","1") = "9"
    & skf18("10","10","4","6","4","5","1") = "9"
    & skf18("10","10","4","6","4","6","1") = "9"
    & skf18("10","10","4","6","4","7","1") = "9"
    & skf18("10","10","4","6","4","8","1") = "9"
    & skf18("10","10","4","6","4","9","1") = "9"
    & skf18("10","10","4","6","4","10","1") = "9"
    & skf18("10","10","4","6","5","1","1") = "9"
    & skf18("10","10","4","6","5","2","1") = "9"
    & skf18("10","10","4","6","5","3","1") = "9"
    & skf18("10","10","4","6","5","4","1") = "9"
    & skf18("10","10","4","6","5","5","1") = "9"
    & skf18("10","10","4","6","5","6","1") = "9"
    & skf18("10","10","4","6","5","7","1") = "9"
    & skf18("10","10","4","6","5","8","1") = "9"
    & skf18("10","10","4","6","5","9","1") = "9"
    & skf18("10","10","4","6","5","10","1") = "9"
    & skf18("10","10","4","6","6","1","1") = "9"
    & skf18("10","10","4","6","6","2","1") = "9"
    & skf18("10","10","4","6","6","3","1") = "9"
    & skf18("10","10","4","6","6","4","1") = "9"
    & skf18("10","10","4","6","6","5","1") = "9"
    & skf18("10","10","4","6","6","6","1") = "9"
    & skf18("10","10","4","6","6","7","1") = "9"
    & skf18("10","10","4","6","6","8","1") = "9"
    & skf18("10","10","4","6","6","9","1") = "9"
    & skf18("10","10","4","6","6","10","1") = "9"
    & skf18("10","10","4","6","7","1","1") = "9"
    & skf18("10","10","4","6","7","2","1") = "9"
    & skf18("10","10","4","6","7","3","1") = "9"
    & skf18("10","10","4","6","7","4","1") = "9"
    & skf18("10","10","4","6","7","5","1") = "9"
    & skf18("10","10","4","6","7","6","1") = "9"
    & skf18("10","10","4","6","7","7","1") = "9"
    & skf18("10","10","4","6","7","8","1") = "9"
    & skf18("10","10","4","6","7","9","1") = "9"
    & skf18("10","10","4","6","7","10","1") = "9"
    & skf18("10","10","4","6","8","1","1") = "9"
    & skf18("10","10","4","6","8","2","1") = "9"
    & skf18("10","10","4","6","8","3","1") = "9"
    & skf18("10","10","4","6","8","4","1") = "9"
    & skf18("10","10","4","6","8","5","1") = "9"
    & skf18("10","10","4","6","8","6","1") = "9"
    & skf18("10","10","4","6","8","7","1") = "9"
    & skf18("10","10","4","6","8","8","1") = "9"
    & skf18("10","10","4","6","8","9","1") = "9"
    & skf18("10","10","4","6","8","10","1") = "9"
    & skf18("10","10","4","6","9","1","1") = "9"
    & skf18("10","10","4","6","9","2","1") = "9"
    & skf18("10","10","4","6","9","3","1") = "9"
    & skf18("10","10","4","6","9","4","1") = "9"
    & skf18("10","10","4","6","9","5","1") = "9"
    & skf18("10","10","4","6","9","6","1") = "9"
    & skf18("10","10","4","6","9","7","1") = "9"
    & skf18("10","10","4","6","9","8","1") = "9"
    & skf18("10","10","4","6","9","9","1") = "9"
    & skf18("10","10","4","6","9","10","1") = "9"
    & skf18("10","10","4","6","10","1","1") = "9"
    & skf18("10","10","4","6","10","2","1") = "9"
    & skf18("10","10","4","6","10","3","1") = "9"
    & skf18("10","10","4","6","10","4","1") = "9"
    & skf18("10","10","4","6","10","5","1") = "9"
    & skf18("10","10","4","6","10","6","1") = "9"
    & skf18("10","10","4","6","10","7","1") = "9"
    & skf18("10","10","4","6","10","8","1") = "9"
    & skf18("10","10","4","6","10","9","1") = "9"
    & skf18("10","10","4","6","10","10","1") = "9"
    & skf18("10","10","4","7","1","1","1") = "9"
    & skf18("10","10","4","7","1","2","1") = "9"
    & skf18("10","10","4","7","1","3","1") = "9"
    & skf18("10","10","4","7","1","4","1") = "9"
    & skf18("10","10","4","7","1","5","1") = "9"
    & skf18("10","10","4","7","1","6","1") = "9"
    & skf18("10","10","4","7","1","7","1") = "9"
    & skf18("10","10","4","7","1","8","1") = "9"
    & skf18("10","10","4","7","1","9","1") = "9"
    & skf18("10","10","4","7","1","10","1") = "9"
    & skf18("10","10","4","7","2","1","1") = "9"
    & skf18("10","10","4","7","2","2","1") = "9"
    & skf18("10","10","4","7","2","3","1") = "9"
    & skf18("10","10","4","7","2","4","1") = "9"
    & skf18("10","10","4","7","2","5","1") = "9"
    & skf18("10","10","4","7","2","6","1") = "9"
    & skf18("10","10","4","7","2","7","1") = "9"
    & skf18("10","10","4","7","2","8","1") = "9"
    & skf18("10","10","4","7","2","9","1") = "9"
    & skf18("10","10","4","7","2","10","1") = "9"
    & skf18("10","10","4","7","3","1","1") = "9"
    & skf18("10","10","4","7","3","2","1") = "9"
    & skf18("10","10","4","7","3","3","1") = "9"
    & skf18("10","10","4","7","3","4","1") = "9"
    & skf18("10","10","4","7","3","5","1") = "9"
    & skf18("10","10","4","7","3","6","1") = "9"
    & skf18("10","10","4","7","3","7","1") = "9"
    & skf18("10","10","4","7","3","8","1") = "9"
    & skf18("10","10","4","7","3","9","1") = "9"
    & skf18("10","10","4","7","3","10","1") = "9"
    & skf18("10","10","4","7","4","1","1") = "9"
    & skf18("10","10","4","7","4","2","1") = "9"
    & skf18("10","10","4","7","4","3","1") = "9"
    & skf18("10","10","4","7","4","4","1") = "9"
    & skf18("10","10","4","7","4","5","1") = "9"
    & skf18("10","10","4","7","4","6","1") = "9"
    & skf18("10","10","4","7","4","7","1") = "9"
    & skf18("10","10","4","7","4","8","1") = "9"
    & skf18("10","10","4","7","4","9","1") = "9"
    & skf18("10","10","4","7","4","10","1") = "9"
    & skf18("10","10","4","7","5","1","1") = "9"
    & skf18("10","10","4","7","5","2","1") = "9"
    & skf18("10","10","4","7","5","3","1") = "9"
    & skf18("10","10","4","7","5","4","1") = "9"
    & skf18("10","10","4","7","5","5","1") = "9"
    & skf18("10","10","4","7","5","6","1") = "9"
    & skf18("10","10","4","7","5","7","1") = "9"
    & skf18("10","10","4","7","5","8","1") = "9"
    & skf18("10","10","4","7","5","9","1") = "9"
    & skf18("10","10","4","7","5","10","1") = "9"
    & skf18("10","10","4","7","6","1","1") = "9"
    & skf18("10","10","4","7","6","2","1") = "9"
    & skf18("10","10","4","7","6","3","1") = "9"
    & skf18("10","10","4","7","6","4","1") = "9"
    & skf18("10","10","4","7","6","5","1") = "9"
    & skf18("10","10","4","7","6","6","1") = "9"
    & skf18("10","10","4","7","6","7","1") = "9"
    & skf18("10","10","4","7","6","8","1") = "9"
    & skf18("10","10","4","7","6","9","1") = "9"
    & skf18("10","10","4","7","6","10","1") = "9"
    & skf18("10","10","4","7","7","1","1") = "9"
    & skf18("10","10","4","7","7","2","1") = "9"
    & skf18("10","10","4","7","7","3","1") = "9"
    & skf18("10","10","4","7","7","4","1") = "9"
    & skf18("10","10","4","7","7","5","1") = "9"
    & skf18("10","10","4","7","7","6","1") = "9"
    & skf18("10","10","4","7","7","7","1") = "9"
    & skf18("10","10","4","7","7","8","1") = "9"
    & skf18("10","10","4","7","7","9","1") = "9"
    & skf18("10","10","4","7","7","10","1") = "9"
    & skf18("10","10","4","7","8","1","1") = "9"
    & skf18("10","10","4","7","8","2","1") = "9"
    & skf18("10","10","4","7","8","3","1") = "9"
    & skf18("10","10","4","7","8","4","1") = "9"
    & skf18("10","10","4","7","8","5","1") = "9"
    & skf18("10","10","4","7","8","6","1") = "9"
    & skf18("10","10","4","7","8","7","1") = "9"
    & skf18("10","10","4","7","8","8","1") = "9"
    & skf18("10","10","4","7","8","9","1") = "9"
    & skf18("10","10","4","7","8","10","1") = "9"
    & skf18("10","10","4","7","9","1","1") = "9"
    & skf18("10","10","4","7","9","2","1") = "9"
    & skf18("10","10","4","7","9","3","1") = "9"
    & skf18("10","10","4","7","9","4","1") = "9"
    & skf18("10","10","4","7","9","5","1") = "9"
    & skf18("10","10","4","7","9","6","1") = "9"
    & skf18("10","10","4","7","9","7","1") = "9"
    & skf18("10","10","4","7","9","8","1") = "9"
    & skf18("10","10","4","7","9","9","1") = "9"
    & skf18("10","10","4","7","9","10","1") = "9"
    & skf18("10","10","4","7","10","1","1") = "9"
    & skf18("10","10","4","7","10","2","1") = "9"
    & skf18("10","10","4","7","10","3","1") = "9"
    & skf18("10","10","4","7","10","4","1") = "9"
    & skf18("10","10","4","7","10","5","1") = "9"
    & skf18("10","10","4","7","10","6","1") = "9"
    & skf18("10","10","4","7","10","7","1") = "9"
    & skf18("10","10","4","7","10","8","1") = "9"
    & skf18("10","10","4","7","10","9","1") = "9"
    & skf18("10","10","4","7","10","10","1") = "9"
    & skf18("10","10","4","8","1","1","1") = "9"
    & skf18("10","10","4","8","1","2","1") = "9"
    & skf18("10","10","4","8","1","3","1") = "9"
    & skf18("10","10","4","8","1","4","1") = "9"
    & skf18("10","10","4","8","1","5","1") = "9"
    & skf18("10","10","4","8","1","6","1") = "9"
    & skf18("10","10","4","8","1","7","1") = "9"
    & skf18("10","10","4","8","1","8","1") = "9"
    & skf18("10","10","4","8","1","9","1") = "9"
    & skf18("10","10","4","8","1","10","1") = "9"
    & skf18("10","10","4","8","2","1","1") = "9"
    & skf18("10","10","4","8","2","2","1") = "9"
    & skf18("10","10","4","8","2","3","1") = "9"
    & skf18("10","10","4","8","2","4","1") = "9"
    & skf18("10","10","4","8","2","5","1") = "9"
    & skf18("10","10","4","8","2","6","1") = "9"
    & skf18("10","10","4","8","2","7","1") = "9"
    & skf18("10","10","4","8","2","8","1") = "9"
    & skf18("10","10","4","8","2","9","1") = "9"
    & skf18("10","10","4","8","2","10","1") = "9"
    & skf18("10","10","4","8","3","1","1") = "9"
    & skf18("10","10","4","8","3","2","1") = "9"
    & skf18("10","10","4","8","3","3","1") = "9"
    & skf18("10","10","4","8","3","4","1") = "9"
    & skf18("10","10","4","8","3","5","1") = "9"
    & skf18("10","10","4","8","3","6","1") = "9"
    & skf18("10","10","4","8","3","7","1") = "9"
    & skf18("10","10","4","8","3","8","1") = "9"
    & skf18("10","10","4","8","3","9","1") = "9"
    & skf18("10","10","4","8","3","10","1") = "9"
    & skf18("10","10","4","8","4","1","1") = "9"
    & skf18("10","10","4","8","4","2","1") = "9"
    & skf18("10","10","4","8","4","3","1") = "9"
    & skf18("10","10","4","8","4","4","1") = "9"
    & skf18("10","10","4","8","4","5","1") = "9"
    & skf18("10","10","4","8","4","6","1") = "9"
    & skf18("10","10","4","8","4","7","1") = "9"
    & skf18("10","10","4","8","4","8","1") = "9"
    & skf18("10","10","4","8","4","9","1") = "9"
    & skf18("10","10","4","8","4","10","1") = "9"
    & skf18("10","10","4","8","5","1","1") = "9"
    & skf18("10","10","4","8","5","2","1") = "9"
    & skf18("10","10","4","8","5","3","1") = "9"
    & skf18("10","10","4","8","5","4","1") = "9"
    & skf18("10","10","4","8","5","5","1") = "9"
    & skf18("10","10","4","8","5","6","1") = "9"
    & skf18("10","10","4","8","5","7","1") = "9"
    & skf18("10","10","4","8","5","8","1") = "9"
    & skf18("10","10","4","8","5","9","1") = "9"
    & skf18("10","10","4","8","5","10","1") = "9"
    & skf18("10","10","4","8","6","1","1") = "9"
    & skf18("10","10","4","8","6","2","1") = "9"
    & skf18("10","10","4","8","6","3","1") = "9"
    & skf18("10","10","4","8","6","4","1") = "9"
    & skf18("10","10","4","8","6","5","1") = "9"
    & skf18("10","10","4","8","6","6","1") = "9"
    & skf18("10","10","4","8","6","7","1") = "9"
    & skf18("10","10","4","8","6","8","1") = "9"
    & skf18("10","10","4","8","6","9","1") = "9"
    & skf18("10","10","4","8","6","10","1") = "9"
    & skf18("10","10","4","8","7","1","1") = "9"
    & skf18("10","10","4","8","7","2","1") = "9"
    & skf18("10","10","4","8","7","3","1") = "9"
    & skf18("10","10","4","8","7","4","1") = "9"
    & skf18("10","10","4","8","7","5","1") = "9"
    & skf18("10","10","4","8","7","6","1") = "9"
    & skf18("10","10","4","8","7","7","1") = "9"
    & skf18("10","10","4","8","7","8","1") = "9"
    & skf18("10","10","4","8","7","9","1") = "9"
    & skf18("10","10","4","8","7","10","1") = "9"
    & skf18("10","10","4","8","8","1","1") = "9"
    & skf18("10","10","4","8","8","2","1") = "9"
    & skf18("10","10","4","8","8","3","1") = "9"
    & skf18("10","10","4","8","8","4","1") = "9"
    & skf18("10","10","4","8","8","5","1") = "9"
    & skf18("10","10","4","8","8","6","1") = "9"
    & skf18("10","10","4","8","8","7","1") = "9"
    & skf18("10","10","4","8","8","8","1") = "9"
    & skf18("10","10","4","8","8","9","1") = "9"
    & skf18("10","10","4","8","8","10","1") = "9"
    & skf18("10","10","4","8","9","1","1") = "9"
    & skf18("10","10","4","8","9","2","1") = "9"
    & skf18("10","10","4","8","9","3","1") = "9"
    & skf18("10","10","4","8","9","4","1") = "9"
    & skf18("10","10","4","8","9","5","1") = "9"
    & skf18("10","10","4","8","9","6","1") = "9"
    & skf18("10","10","4","8","9","7","1") = "9"
    & skf18("10","10","4","8","9","8","1") = "9"
    & skf18("10","10","4","8","9","9","1") = "9"
    & skf18("10","10","4","8","9","10","1") = "9"
    & skf18("10","10","4","8","10","1","1") = "9"
    & skf18("10","10","4","8","10","2","1") = "9"
    & skf18("10","10","4","8","10","3","1") = "9"
    & skf18("10","10","4","8","10","4","1") = "9"
    & skf18("10","10","4","8","10","5","1") = "9"
    & skf18("10","10","4","8","10","6","1") = "9"
    & skf18("10","10","4","8","10","7","1") = "9"
    & skf18("10","10","4","8","10","8","1") = "9"
    & skf18("10","10","4","8","10","9","1") = "9"
    & skf18("10","10","4","8","10","10","1") = "9"
    & skf18("10","10","4","9","1","1","1") = "9"
    & skf18("10","10","4","9","1","2","1") = "9"
    & skf18("10","10","4","9","1","3","1") = "9"
    & skf18("10","10","4","9","1","4","1") = "9"
    & skf18("10","10","4","9","1","5","1") = "9"
    & skf18("10","10","4","9","1","6","1") = "9"
    & skf18("10","10","4","9","1","7","1") = "9"
    & skf18("10","10","4","9","1","8","1") = "9"
    & skf18("10","10","4","9","1","9","1") = "9"
    & skf18("10","10","4","9","1","10","1") = "9"
    & skf18("10","10","4","9","2","1","1") = "9"
    & skf18("10","10","4","9","2","2","1") = "9"
    & skf18("10","10","4","9","2","3","1") = "9"
    & skf18("10","10","4","9","2","4","1") = "9"
    & skf18("10","10","4","9","2","5","1") = "9"
    & skf18("10","10","4","9","2","6","1") = "9"
    & skf18("10","10","4","9","2","7","1") = "9"
    & skf18("10","10","4","9","2","8","1") = "9"
    & skf18("10","10","4","9","2","9","1") = "9"
    & skf18("10","10","4","9","2","10","1") = "9"
    & skf18("10","10","4","9","3","1","1") = "9"
    & skf18("10","10","4","9","3","2","1") = "9"
    & skf18("10","10","4","9","3","3","1") = "9"
    & skf18("10","10","4","9","3","4","1") = "9"
    & skf18("10","10","4","9","3","5","1") = "9"
    & skf18("10","10","4","9","3","6","1") = "9"
    & skf18("10","10","4","9","3","7","1") = "9"
    & skf18("10","10","4","9","3","8","1") = "9"
    & skf18("10","10","4","9","3","9","1") = "9"
    & skf18("10","10","4","9","3","10","1") = "9"
    & skf18("10","10","4","9","4","1","1") = "9"
    & skf18("10","10","4","9","4","2","1") = "9"
    & skf18("10","10","4","9","4","3","1") = "9"
    & skf18("10","10","4","9","4","4","1") = "9"
    & skf18("10","10","4","9","4","5","1") = "9"
    & skf18("10","10","4","9","4","6","1") = "9"
    & skf18("10","10","4","9","4","7","1") = "9"
    & skf18("10","10","4","9","4","8","1") = "9"
    & skf18("10","10","4","9","4","9","1") = "9"
    & skf18("10","10","4","9","4","10","1") = "9"
    & skf18("10","10","4","9","5","1","1") = "9"
    & skf18("10","10","4","9","5","2","1") = "9"
    & skf18("10","10","4","9","5","3","1") = "9"
    & skf18("10","10","4","9","5","4","1") = "9"
    & skf18("10","10","4","9","5","5","1") = "9"
    & skf18("10","10","4","9","5","6","1") = "9"
    & skf18("10","10","4","9","5","7","1") = "9"
    & skf18("10","10","4","9","5","8","1") = "9"
    & skf18("10","10","4","9","5","9","1") = "9"
    & skf18("10","10","4","9","5","10","1") = "9"
    & skf18("10","10","4","9","6","1","1") = "9"
    & skf18("10","10","4","9","6","2","1") = "9"
    & skf18("10","10","4","9","6","3","1") = "9"
    & skf18("10","10","4","9","6","4","1") = "9"
    & skf18("10","10","4","9","6","5","1") = "9"
    & skf18("10","10","4","9","6","6","1") = "9"
    & skf18("10","10","4","9","6","7","1") = "9"
    & skf18("10","10","4","9","6","8","1") = "9"
    & skf18("10","10","4","9","6","9","1") = "9"
    & skf18("10","10","4","9","6","10","1") = "9"
    & skf18("10","10","4","9","7","1","1") = "9"
    & skf18("10","10","4","9","7","2","1") = "9"
    & skf18("10","10","4","9","7","3","1") = "9"
    & skf18("10","10","4","9","7","4","1") = "9"
    & skf18("10","10","4","9","7","5","1") = "9"
    & skf18("10","10","4","9","7","6","1") = "9"
    & skf18("10","10","4","9","7","7","1") = "9"
    & skf18("10","10","4","9","7","8","1") = "9"
    & skf18("10","10","4","9","7","9","1") = "9"
    & skf18("10","10","4","9","7","10","1") = "9"
    & skf18("10","10","4","9","8","1","1") = "9"
    & skf18("10","10","4","9","8","2","1") = "9"
    & skf18("10","10","4","9","8","3","1") = "9"
    & skf18("10","10","4","9","8","4","1") = "9"
    & skf18("10","10","4","9","8","5","1") = "9"
    & skf18("10","10","4","9","8","6","1") = "9"
    & skf18("10","10","4","9","8","7","1") = "9"
    & skf18("10","10","4","9","8","8","1") = "9"
    & skf18("10","10","4","9","8","9","1") = "9"
    & skf18("10","10","4","9","8","10","1") = "9"
    & skf18("10","10","4","9","9","1","1") = "9"
    & skf18("10","10","4","9","9","2","1") = "9"
    & skf18("10","10","4","9","9","3","1") = "9"
    & skf18("10","10","4","9","9","4","1") = "9"
    & skf18("10","10","4","9","9","5","1") = "9"
    & skf18("10","10","4","9","9","6","1") = "9"
    & skf18("10","10","4","9","9","7","1") = "9"
    & skf18("10","10","4","9","9","8","1") = "9"
    & skf18("10","10","4","9","9","9","1") = "9"
    & skf18("10","10","4","9","9","10","1") = "9"
    & skf18("10","10","4","9","10","1","1") = "9"
    & skf18("10","10","4","9","10","2","1") = "9"
    & skf18("10","10","4","9","10","3","1") = "9"
    & skf18("10","10","4","9","10","4","1") = "9"
    & skf18("10","10","4","9","10","5","1") = "9"
    & skf18("10","10","4","9","10","6","1") = "9"
    & skf18("10","10","4","9","10","7","1") = "9"
    & skf18("10","10","4","9","10","8","1") = "9"
    & skf18("10","10","4","9","10","9","1") = "9"
    & skf18("10","10","4","9","10","10","1") = "9"
    & skf18("10","10","4","10","1","1","1") = "9"
    & skf18("10","10","4","10","1","2","1") = "9"
    & skf18("10","10","4","10","1","3","1") = "9"
    & skf18("10","10","4","10","1","4","1") = "9"
    & skf18("10","10","4","10","1","5","1") = "9"
    & skf18("10","10","4","10","1","6","1") = "9"
    & skf18("10","10","4","10","1","7","1") = "9"
    & skf18("10","10","4","10","1","8","1") = "9"
    & skf18("10","10","4","10","1","9","1") = "9"
    & skf18("10","10","4","10","1","10","1") = "9"
    & skf18("10","10","4","10","2","1","1") = "9"
    & skf18("10","10","4","10","2","2","1") = "9"
    & skf18("10","10","4","10","2","3","1") = "9"
    & skf18("10","10","4","10","2","4","1") = "9"
    & skf18("10","10","4","10","2","5","1") = "9"
    & skf18("10","10","4","10","2","6","1") = "9"
    & skf18("10","10","4","10","2","7","1") = "9"
    & skf18("10","10","4","10","2","8","1") = "9"
    & skf18("10","10","4","10","2","9","1") = "9"
    & skf18("10","10","4","10","2","10","1") = "9"
    & skf18("10","10","4","10","3","1","1") = "9"
    & skf18("10","10","4","10","3","2","1") = "9"
    & skf18("10","10","4","10","3","3","1") = "9"
    & skf18("10","10","4","10","3","4","1") = "9"
    & skf18("10","10","4","10","3","5","1") = "9"
    & skf18("10","10","4","10","3","6","1") = "9"
    & skf18("10","10","4","10","3","7","1") = "9"
    & skf18("10","10","4","10","3","8","1") = "9"
    & skf18("10","10","4","10","3","9","1") = "9"
    & skf18("10","10","4","10","3","10","1") = "9"
    & skf18("10","10","4","10","4","1","1") = "9"
    & skf18("10","10","4","10","4","2","1") = "9"
    & skf18("10","10","4","10","4","3","1") = "9"
    & skf18("10","10","4","10","4","4","1") = "9"
    & skf18("10","10","4","10","4","5","1") = "9"
    & skf18("10","10","4","10","4","6","1") = "9"
    & skf18("10","10","4","10","4","7","1") = "9"
    & skf18("10","10","4","10","4","8","1") = "9"
    & skf18("10","10","4","10","4","9","1") = "9"
    & skf18("10","10","4","10","4","10","1") = "9"
    & skf18("10","10","4","10","5","1","1") = "9"
    & skf18("10","10","4","10","5","2","1") = "9"
    & skf18("10","10","4","10","5","3","1") = "9"
    & skf18("10","10","4","10","5","4","1") = "9"
    & skf18("10","10","4","10","5","5","1") = "9"
    & skf18("10","10","4","10","5","6","1") = "9"
    & skf18("10","10","4","10","5","7","1") = "9"
    & skf18("10","10","4","10","5","8","1") = "9"
    & skf18("10","10","4","10","5","9","1") = "9"
    & skf18("10","10","4","10","5","10","1") = "9"
    & skf18("10","10","4","10","6","1","1") = "9"
    & skf18("10","10","4","10","6","2","1") = "9"
    & skf18("10","10","4","10","6","3","1") = "9"
    & skf18("10","10","4","10","6","4","1") = "9"
    & skf18("10","10","4","10","6","5","1") = "9"
    & skf18("10","10","4","10","6","6","1") = "9"
    & skf18("10","10","4","10","6","7","1") = "9"
    & skf18("10","10","4","10","6","8","1") = "9"
    & skf18("10","10","4","10","6","9","1") = "9"
    & skf18("10","10","4","10","6","10","1") = "9"
    & skf18("10","10","4","10","7","1","1") = "9"
    & skf18("10","10","4","10","7","2","1") = "9"
    & skf18("10","10","4","10","7","3","1") = "9"
    & skf18("10","10","4","10","7","4","1") = "9"
    & skf18("10","10","4","10","7","5","1") = "9"
    & skf18("10","10","4","10","7","6","1") = "9"
    & skf18("10","10","4","10","7","7","1") = "9"
    & skf18("10","10","4","10","7","8","1") = "9"
    & skf18("10","10","4","10","7","9","1") = "9"
    & skf18("10","10","4","10","7","10","1") = "9"
    & skf18("10","10","4","10","8","1","1") = "9"
    & skf18("10","10","4","10","8","2","1") = "9"
    & skf18("10","10","4","10","8","3","1") = "9"
    & skf18("10","10","4","10","8","4","1") = "9"
    & skf18("10","10","4","10","8","5","1") = "9"
    & skf18("10","10","4","10","8","6","1") = "9"
    & skf18("10","10","4","10","8","7","1") = "9"
    & skf18("10","10","4","10","8","8","1") = "9"
    & skf18("10","10","4","10","8","9","1") = "9"
    & skf18("10","10","4","10","8","10","1") = "9"
    & skf18("10","10","4","10","9","1","1") = "9"
    & skf18("10","10","4","10","9","2","1") = "9"
    & skf18("10","10","4","10","9","3","1") = "9"
    & skf18("10","10","4","10","9","4","1") = "9"
    & skf18("10","10","4","10","9","5","1") = "9"
    & skf18("10","10","4","10","9","6","1") = "9"
    & skf18("10","10","4","10","9","7","1") = "9"
    & skf18("10","10","4","10","9","8","1") = "9"
    & skf18("10","10","4","10","9","9","1") = "9"
    & skf18("10","10","4","10","9","10","1") = "9"
    & skf18("10","10","4","10","10","1","1") = "9"
    & skf18("10","10","4","10","10","2","1") = "9"
    & skf18("10","10","4","10","10","3","1") = "9"
    & skf18("10","10","4","10","10","4","1") = "9"
    & skf18("10","10","4","10","10","5","1") = "9"
    & skf18("10","10","4","10","10","6","1") = "9"
    & skf18("10","10","4","10","10","7","1") = "9"
    & skf18("10","10","4","10","10","8","1") = "9"
    & skf18("10","10","4","10","10","9","1") = "9"
    & skf18("10","10","4","10","10","10","1") = "9"
    & skf18("10","10","5","1","1","1","1") = "9"
    & skf18("10","10","5","1","1","2","1") = "9"
    & skf18("10","10","5","1","1","3","1") = "9"
    & skf18("10","10","5","1","1","4","1") = "9"
    & skf18("10","10","5","1","1","5","1") = "9"
    & skf18("10","10","5","1","1","6","1") = "9"
    & skf18("10","10","5","1","1","7","1") = "9"
    & skf18("10","10","5","1","1","8","1") = "9"
    & skf18("10","10","5","1","1","9","1") = "9"
    & skf18("10","10","5","1","1","10","1") = "9"
    & skf18("10","10","5","1","2","1","1") = "9"
    & skf18("10","10","5","1","2","2","1") = "9"
    & skf18("10","10","5","1","2","3","1") = "9"
    & skf18("10","10","5","1","2","4","1") = "9"
    & skf18("10","10","5","1","2","5","1") = "9"
    & skf18("10","10","5","1","2","6","1") = "9"
    & skf18("10","10","5","1","2","7","1") = "9"
    & skf18("10","10","5","1","2","8","1") = "9"
    & skf18("10","10","5","1","2","9","1") = "9"
    & skf18("10","10","5","1","2","10","1") = "9"
    & skf18("10","10","5","1","3","1","1") = "9"
    & skf18("10","10","5","1","3","2","1") = "9"
    & skf18("10","10","5","1","3","3","1") = "9"
    & skf18("10","10","5","1","3","4","1") = "9"
    & skf18("10","10","5","1","3","5","1") = "9"
    & skf18("10","10","5","1","3","6","1") = "9"
    & skf18("10","10","5","1","3","7","1") = "9"
    & skf18("10","10","5","1","3","8","1") = "9"
    & skf18("10","10","5","1","3","9","1") = "9"
    & skf18("10","10","5","1","3","10","1") = "9"
    & skf18("10","10","5","1","4","1","1") = "9"
    & skf18("10","10","5","1","4","2","1") = "9"
    & skf18("10","10","5","1","4","3","1") = "9"
    & skf18("10","10","5","1","4","4","1") = "9"
    & skf18("10","10","5","1","4","5","1") = "9"
    & skf18("10","10","5","1","4","6","1") = "9"
    & skf18("10","10","5","1","4","7","1") = "9"
    & skf18("10","10","5","1","4","8","1") = "9"
    & skf18("10","10","5","1","4","9","1") = "9"
    & skf18("10","10","5","1","4","10","1") = "9"
    & skf18("10","10","5","1","5","1","1") = "9"
    & skf18("10","10","5","1","5","2","1") = "9"
    & skf18("10","10","5","1","5","3","1") = "9"
    & skf18("10","10","5","1","5","4","1") = "9"
    & skf18("10","10","5","1","5","5","1") = "9"
    & skf18("10","10","5","1","5","6","1") = "9"
    & skf18("10","10","5","1","5","7","1") = "9"
    & skf18("10","10","5","1","5","8","1") = "9"
    & skf18("10","10","5","1","5","9","1") = "9"
    & skf18("10","10","5","1","5","10","1") = "9"
    & skf18("10","10","5","1","6","1","1") = "9"
    & skf18("10","10","5","1","6","2","1") = "9"
    & skf18("10","10","5","1","6","3","1") = "9"
    & skf18("10","10","5","1","6","4","1") = "9"
    & skf18("10","10","5","1","6","5","1") = "9"
    & skf18("10","10","5","1","6","6","1") = "9"
    & skf18("10","10","5","1","6","7","1") = "9"
    & skf18("10","10","5","1","6","8","1") = "9"
    & skf18("10","10","5","1","6","9","1") = "9"
    & skf18("10","10","5","1","6","10","1") = "9"
    & skf18("10","10","5","1","7","1","1") = "9"
    & skf18("10","10","5","1","7","2","1") = "9"
    & skf18("10","10","5","1","7","3","1") = "9"
    & skf18("10","10","5","1","7","4","1") = "9"
    & skf18("10","10","5","1","7","5","1") = "9"
    & skf18("10","10","5","1","7","6","1") = "9"
    & skf18("10","10","5","1","7","7","1") = "9"
    & skf18("10","10","5","1","7","8","1") = "9"
    & skf18("10","10","5","1","7","9","1") = "9"
    & skf18("10","10","5","1","7","10","1") = "9"
    & skf18("10","10","5","1","8","1","1") = "9"
    & skf18("10","10","5","1","8","2","1") = "9"
    & skf18("10","10","5","1","8","3","1") = "9"
    & skf18("10","10","5","1","8","4","1") = "9"
    & skf18("10","10","5","1","8","5","1") = "9"
    & skf18("10","10","5","1","8","6","1") = "9"
    & skf18("10","10","5","1","8","7","1") = "9"
    & skf18("10","10","5","1","8","8","1") = "9"
    & skf18("10","10","5","1","8","9","1") = "9"
    & skf18("10","10","5","1","8","10","1") = "9"
    & skf18("10","10","5","1","9","1","1") = "9"
    & skf18("10","10","5","1","9","2","1") = "9"
    & skf18("10","10","5","1","9","3","1") = "9"
    & skf18("10","10","5","1","9","4","1") = "9"
    & skf18("10","10","5","1","9","5","1") = "9"
    & skf18("10","10","5","1","9","6","1") = "9"
    & skf18("10","10","5","1","9","7","1") = "9"
    & skf18("10","10","5","1","9","8","1") = "9"
    & skf18("10","10","5","1","9","9","1") = "9"
    & skf18("10","10","5","1","9","10","1") = "9"
    & skf18("10","10","5","1","10","1","1") = "9"
    & skf18("10","10","5","1","10","2","1") = "9"
    & skf18("10","10","5","1","10","3","1") = "9"
    & skf18("10","10","5","1","10","4","1") = "9"
    & skf18("10","10","5","1","10","5","1") = "9"
    & skf18("10","10","5","1","10","6","1") = "9"
    & skf18("10","10","5","1","10","7","1") = "9"
    & skf18("10","10","5","1","10","8","1") = "9"
    & skf18("10","10","5","1","10","9","1") = "9"
    & skf18("10","10","5","1","10","10","1") = "9"
    & skf18("10","10","5","2","1","1","1") = "9"
    & skf18("10","10","5","2","1","2","1") = "9"
    & skf18("10","10","5","2","1","3","1") = "9"
    & skf18("10","10","5","2","1","4","1") = "9"
    & skf18("10","10","5","2","1","5","1") = "9"
    & skf18("10","10","5","2","1","6","1") = "9"
    & skf18("10","10","5","2","1","7","1") = "9"
    & skf18("10","10","5","2","1","8","1") = "9"
    & skf18("10","10","5","2","1","9","1") = "9"
    & skf18("10","10","5","2","1","10","1") = "9"
    & skf18("10","10","5","2","2","1","1") = "9"
    & skf18("10","10","5","2","2","2","1") = "9"
    & skf18("10","10","5","2","2","3","1") = "9"
    & skf18("10","10","5","2","2","4","1") = "9"
    & skf18("10","10","5","2","2","5","1") = "9"
    & skf18("10","10","5","2","2","6","1") = "9"
    & skf18("10","10","5","2","2","7","1") = "9"
    & skf18("10","10","5","2","2","8","1") = "9"
    & skf18("10","10","5","2","2","9","1") = "9"
    & skf18("10","10","5","2","2","10","1") = "9"
    & skf18("10","10","5","2","3","1","1") = "9"
    & skf18("10","10","5","2","3","2","1") = "9"
    & skf18("10","10","5","2","3","3","1") = "9"
    & skf18("10","10","5","2","3","4","1") = "9"
    & skf18("10","10","5","2","3","5","1") = "9"
    & skf18("10","10","5","2","3","6","1") = "9"
    & skf18("10","10","5","2","3","7","1") = "9"
    & skf18("10","10","5","2","3","8","1") = "9"
    & skf18("10","10","5","2","3","9","1") = "9"
    & skf18("10","10","5","2","3","10","1") = "9"
    & skf18("10","10","5","2","4","1","1") = "9"
    & skf18("10","10","5","2","4","2","1") = "9"
    & skf18("10","10","5","2","4","3","1") = "9"
    & skf18("10","10","5","2","4","4","1") = "9"
    & skf18("10","10","5","2","4","5","1") = "9"
    & skf18("10","10","5","2","4","6","1") = "9"
    & skf18("10","10","5","2","4","7","1") = "9"
    & skf18("10","10","5","2","4","8","1") = "9"
    & skf18("10","10","5","2","4","9","1") = "9"
    & skf18("10","10","5","2","4","10","1") = "9"
    & skf18("10","10","5","2","5","1","1") = "9"
    & skf18("10","10","5","2","5","2","1") = "9"
    & skf18("10","10","5","2","5","3","1") = "9"
    & skf18("10","10","5","2","5","4","1") = "9"
    & skf18("10","10","5","2","5","5","1") = "9"
    & skf18("10","10","5","2","5","6","1") = "9"
    & skf18("10","10","5","2","5","7","1") = "9"
    & skf18("10","10","5","2","5","8","1") = "9"
    & skf18("10","10","5","2","5","9","1") = "9"
    & skf18("10","10","5","2","5","10","1") = "9"
    & skf18("10","10","5","2","6","1","1") = "9"
    & skf18("10","10","5","2","6","2","1") = "9"
    & skf18("10","10","5","2","6","3","1") = "9"
    & skf18("10","10","5","2","6","4","1") = "9"
    & skf18("10","10","5","2","6","5","1") = "9"
    & skf18("10","10","5","2","6","6","1") = "9"
    & skf18("10","10","5","2","6","7","1") = "9"
    & skf18("10","10","5","2","6","8","1") = "9"
    & skf18("10","10","5","2","6","9","1") = "9"
    & skf18("10","10","5","2","6","10","1") = "9"
    & skf18("10","10","5","2","7","1","1") = "9"
    & skf18("10","10","5","2","7","2","1") = "9"
    & skf18("10","10","5","2","7","3","1") = "9"
    & skf18("10","10","5","2","7","4","1") = "9"
    & skf18("10","10","5","2","7","5","1") = "9"
    & skf18("10","10","5","2","7","6","1") = "9"
    & skf18("10","10","5","2","7","7","1") = "9"
    & skf18("10","10","5","2","7","8","1") = "9"
    & skf18("10","10","5","2","7","9","1") = "9"
    & skf18("10","10","5","2","7","10","1") = "9"
    & skf18("10","10","5","2","8","1","1") = "9"
    & skf18("10","10","5","2","8","2","1") = "9"
    & skf18("10","10","5","2","8","3","1") = "9"
    & skf18("10","10","5","2","8","4","1") = "9"
    & skf18("10","10","5","2","8","5","1") = "9"
    & skf18("10","10","5","2","8","6","1") = "9"
    & skf18("10","10","5","2","8","7","1") = "9"
    & skf18("10","10","5","2","8","8","1") = "9"
    & skf18("10","10","5","2","8","9","1") = "9"
    & skf18("10","10","5","2","8","10","1") = "9"
    & skf18("10","10","5","2","9","1","1") = "9"
    & skf18("10","10","5","2","9","2","1") = "9"
    & skf18("10","10","5","2","9","3","1") = "9"
    & skf18("10","10","5","2","9","4","1") = "9"
    & skf18("10","10","5","2","9","5","1") = "9"
    & skf18("10","10","5","2","9","6","1") = "9"
    & skf18("10","10","5","2","9","7","1") = "9"
    & skf18("10","10","5","2","9","8","1") = "9"
    & skf18("10","10","5","2","9","9","1") = "9"
    & skf18("10","10","5","2","9","10","1") = "9"
    & skf18("10","10","5","2","10","1","1") = "9"
    & skf18("10","10","5","2","10","2","1") = "9"
    & skf18("10","10","5","2","10","3","1") = "9"
    & skf18("10","10","5","2","10","4","1") = "9"
    & skf18("10","10","5","2","10","5","1") = "9"
    & skf18("10","10","5","2","10","6","1") = "9"
    & skf18("10","10","5","2","10","7","1") = "9"
    & skf18("10","10","5","2","10","8","1") = "9"
    & skf18("10","10","5","2","10","9","1") = "9"
    & skf18("10","10","5","2","10","10","1") = "9"
    & skf18("10","10","5","3","1","1","1") = "9"
    & skf18("10","10","5","3","1","2","1") = "9"
    & skf18("10","10","5","3","1","3","1") = "9"
    & skf18("10","10","5","3","1","4","1") = "9"
    & skf18("10","10","5","3","1","5","1") = "9"
    & skf18("10","10","5","3","1","6","1") = "9"
    & skf18("10","10","5","3","1","7","1") = "9"
    & skf18("10","10","5","3","1","8","1") = "9"
    & skf18("10","10","5","3","1","9","1") = "9"
    & skf18("10","10","5","3","1","10","1") = "9"
    & skf18("10","10","5","3","2","1","1") = "9"
    & skf18("10","10","5","3","2","2","1") = "9"
    & skf18("10","10","5","3","2","3","1") = "9"
    & skf18("10","10","5","3","2","4","1") = "9"
    & skf18("10","10","5","3","2","5","1") = "9"
    & skf18("10","10","5","3","2","6","1") = "9"
    & skf18("10","10","5","3","2","7","1") = "9"
    & skf18("10","10","5","3","2","8","1") = "9"
    & skf18("10","10","5","3","2","9","1") = "9"
    & skf18("10","10","5","3","2","10","1") = "9"
    & skf18("10","10","5","3","3","1","1") = "9"
    & skf18("10","10","5","3","3","2","1") = "9"
    & skf18("10","10","5","3","3","3","1") = "9"
    & skf18("10","10","5","3","3","4","1") = "9"
    & skf18("10","10","5","3","3","5","1") = "9"
    & skf18("10","10","5","3","3","6","1") = "9"
    & skf18("10","10","5","3","3","7","1") = "9"
    & skf18("10","10","5","3","3","8","1") = "9"
    & skf18("10","10","5","3","3","9","1") = "9"
    & skf18("10","10","5","3","3","10","1") = "9"
    & skf18("10","10","5","3","4","1","1") = "9"
    & skf18("10","10","5","3","4","2","1") = "9"
    & skf18("10","10","5","3","4","3","1") = "9"
    & skf18("10","10","5","3","4","4","1") = "9"
    & skf18("10","10","5","3","4","5","1") = "9"
    & skf18("10","10","5","3","4","6","1") = "9"
    & skf18("10","10","5","3","4","7","1") = "9"
    & skf18("10","10","5","3","4","8","1") = "9"
    & skf18("10","10","5","3","4","9","1") = "9"
    & skf18("10","10","5","3","4","10","1") = "9"
    & skf18("10","10","5","3","5","1","1") = "9"
    & skf18("10","10","5","3","5","2","1") = "9"
    & skf18("10","10","5","3","5","3","1") = "9"
    & skf18("10","10","5","3","5","4","1") = "9"
    & skf18("10","10","5","3","5","5","1") = "9"
    & skf18("10","10","5","3","5","6","1") = "9"
    & skf18("10","10","5","3","5","7","1") = "9"
    & skf18("10","10","5","3","5","8","1") = "9"
    & skf18("10","10","5","3","5","9","1") = "9"
    & skf18("10","10","5","3","5","10","1") = "9"
    & skf18("10","10","5","3","6","1","1") = "9"
    & skf18("10","10","5","3","6","2","1") = "9"
    & skf18("10","10","5","3","6","3","1") = "9"
    & skf18("10","10","5","3","6","4","1") = "9"
    & skf18("10","10","5","3","6","5","1") = "9"
    & skf18("10","10","5","3","6","6","1") = "9"
    & skf18("10","10","5","3","6","7","1") = "9"
    & skf18("10","10","5","3","6","8","1") = "9"
    & skf18("10","10","5","3","6","9","1") = "9"
    & skf18("10","10","5","3","6","10","1") = "9"
    & skf18("10","10","5","3","7","1","1") = "9"
    & skf18("10","10","5","3","7","2","1") = "9"
    & skf18("10","10","5","3","7","3","1") = "9"
    & skf18("10","10","5","3","7","4","1") = "9"
    & skf18("10","10","5","3","7","5","1") = "9"
    & skf18("10","10","5","3","7","6","1") = "9"
    & skf18("10","10","5","3","7","7","1") = "9"
    & skf18("10","10","5","3","7","8","1") = "9"
    & skf18("10","10","5","3","7","9","1") = "9"
    & skf18("10","10","5","3","7","10","1") = "9"
    & skf18("10","10","5","3","8","1","1") = "9"
    & skf18("10","10","5","3","8","2","1") = "9"
    & skf18("10","10","5","3","8","3","1") = "9"
    & skf18("10","10","5","3","8","4","1") = "9"
    & skf18("10","10","5","3","8","5","1") = "9"
    & skf18("10","10","5","3","8","6","1") = "9"
    & skf18("10","10","5","3","8","7","1") = "9"
    & skf18("10","10","5","3","8","8","1") = "9"
    & skf18("10","10","5","3","8","9","1") = "9"
    & skf18("10","10","5","3","8","10","1") = "9"
    & skf18("10","10","5","3","9","1","1") = "9"
    & skf18("10","10","5","3","9","2","1") = "9"
    & skf18("10","10","5","3","9","3","1") = "9"
    & skf18("10","10","5","3","9","4","1") = "9"
    & skf18("10","10","5","3","9","5","1") = "9"
    & skf18("10","10","5","3","9","6","1") = "9"
    & skf18("10","10","5","3","9","7","1") = "9"
    & skf18("10","10","5","3","9","8","1") = "9"
    & skf18("10","10","5","3","9","9","1") = "9"
    & skf18("10","10","5","3","9","10","1") = "9"
    & skf18("10","10","5","3","10","1","1") = "9"
    & skf18("10","10","5","3","10","2","1") = "9"
    & skf18("10","10","5","3","10","3","1") = "9"
    & skf18("10","10","5","3","10","4","1") = "9"
    & skf18("10","10","5","3","10","5","1") = "9"
    & skf18("10","10","5","3","10","6","1") = "9"
    & skf18("10","10","5","3","10","7","1") = "9"
    & skf18("10","10","5","3","10","8","1") = "9"
    & skf18("10","10","5","3","10","9","1") = "9"
    & skf18("10","10","5","3","10","10","1") = "9"
    & skf18("10","10","5","4","1","1","1") = "9"
    & skf18("10","10","5","4","1","2","1") = "9"
    & skf18("10","10","5","4","1","3","1") = "9"
    & skf18("10","10","5","4","1","4","1") = "9"
    & skf18("10","10","5","4","1","5","1") = "9"
    & skf18("10","10","5","4","1","6","1") = "9"
    & skf18("10","10","5","4","1","7","1") = "9"
    & skf18("10","10","5","4","1","8","1") = "9"
    & skf18("10","10","5","4","1","9","1") = "9"
    & skf18("10","10","5","4","1","10","1") = "9"
    & skf18("10","10","5","4","2","1","1") = "9"
    & skf18("10","10","5","4","2","2","1") = "9"
    & skf18("10","10","5","4","2","3","1") = "9"
    & skf18("10","10","5","4","2","4","1") = "9"
    & skf18("10","10","5","4","2","5","1") = "9"
    & skf18("10","10","5","4","2","6","1") = "9"
    & skf18("10","10","5","4","2","7","1") = "9"
    & skf18("10","10","5","4","2","8","1") = "9"
    & skf18("10","10","5","4","2","9","1") = "9"
    & skf18("10","10","5","4","2","10","1") = "9"
    & skf18("10","10","5","4","3","1","1") = "9"
    & skf18("10","10","5","4","3","2","1") = "9"
    & skf18("10","10","5","4","3","3","1") = "9"
    & skf18("10","10","5","4","3","4","1") = "9"
    & skf18("10","10","5","4","3","5","1") = "9"
    & skf18("10","10","5","4","3","6","1") = "9"
    & skf18("10","10","5","4","3","7","1") = "9"
    & skf18("10","10","5","4","3","8","1") = "9"
    & skf18("10","10","5","4","3","9","1") = "9"
    & skf18("10","10","5","4","3","10","1") = "9"
    & skf18("10","10","5","4","4","1","1") = "9"
    & skf18("10","10","5","4","4","2","1") = "9"
    & skf18("10","10","5","4","4","3","1") = "9"
    & skf18("10","10","5","4","4","4","1") = "9"
    & skf18("10","10","5","4","4","5","1") = "9"
    & skf18("10","10","5","4","4","6","1") = "9"
    & skf18("10","10","5","4","4","7","1") = "9"
    & skf18("10","10","5","4","4","8","1") = "9"
    & skf18("10","10","5","4","4","9","1") = "9"
    & skf18("10","10","5","4","4","10","1") = "9"
    & skf18("10","10","5","4","5","1","1") = "9"
    & skf18("10","10","5","4","5","2","1") = "9"
    & skf18("10","10","5","4","5","3","1") = "9"
    & skf18("10","10","5","4","5","4","1") = "9"
    & skf18("10","10","5","4","5","5","1") = "9"
    & skf18("10","10","5","4","5","6","1") = "9"
    & skf18("10","10","5","4","5","7","1") = "9"
    & skf18("10","10","5","4","5","8","1") = "9"
    & skf18("10","10","5","4","5","9","1") = "9"
    & skf18("10","10","5","4","5","10","1") = "9"
    & skf18("10","10","5","4","6","1","1") = "9"
    & skf18("10","10","5","4","6","2","1") = "9"
    & skf18("10","10","5","4","6","3","1") = "9"
    & skf18("10","10","5","4","6","4","1") = "9"
    & skf18("10","10","5","4","6","5","1") = "9"
    & skf18("10","10","5","4","6","6","1") = "9"
    & skf18("10","10","5","4","6","7","1") = "9"
    & skf18("10","10","5","4","6","8","1") = "9"
    & skf18("10","10","5","4","6","9","1") = "9"
    & skf18("10","10","5","4","6","10","1") = "9"
    & skf18("10","10","5","4","7","1","1") = "9"
    & skf18("10","10","5","4","7","2","1") = "9"
    & skf18("10","10","5","4","7","3","1") = "9"
    & skf18("10","10","5","4","7","4","1") = "9"
    & skf18("10","10","5","4","7","5","1") = "9"
    & skf18("10","10","5","4","7","6","1") = "9"
    & skf18("10","10","5","4","7","7","1") = "9"
    & skf18("10","10","5","4","7","8","1") = "9"
    & skf18("10","10","5","4","7","9","1") = "9"
    & skf18("10","10","5","4","7","10","1") = "9"
    & skf18("10","10","5","4","8","1","1") = "9"
    & skf18("10","10","5","4","8","2","1") = "9"
    & skf18("10","10","5","4","8","3","1") = "9"
    & skf18("10","10","5","4","8","4","1") = "9"
    & skf18("10","10","5","4","8","5","1") = "9"
    & skf18("10","10","5","4","8","6","1") = "9"
    & skf18("10","10","5","4","8","7","1") = "9"
    & skf18("10","10","5","4","8","8","1") = "9"
    & skf18("10","10","5","4","8","9","1") = "9"
    & skf18("10","10","5","4","8","10","1") = "9"
    & skf18("10","10","5","4","9","1","1") = "9"
    & skf18("10","10","5","4","9","2","1") = "9"
    & skf18("10","10","5","4","9","3","1") = "9"
    & skf18("10","10","5","4","9","4","1") = "9"
    & skf18("10","10","5","4","9","5","1") = "9"
    & skf18("10","10","5","4","9","6","1") = "9"
    & skf18("10","10","5","4","9","7","1") = "9"
    & skf18("10","10","5","4","9","8","1") = "9"
    & skf18("10","10","5","4","9","9","1") = "9"
    & skf18("10","10","5","4","9","10","1") = "9"
    & skf18("10","10","5","4","10","1","1") = "9"
    & skf18("10","10","5","4","10","2","1") = "9"
    & skf18("10","10","5","4","10","3","1") = "9"
    & skf18("10","10","5","4","10","4","1") = "9"
    & skf18("10","10","5","4","10","5","1") = "9"
    & skf18("10","10","5","4","10","6","1") = "9"
    & skf18("10","10","5","4","10","7","1") = "9"
    & skf18("10","10","5","4","10","8","1") = "9"
    & skf18("10","10","5","4","10","9","1") = "9"
    & skf18("10","10","5","4","10","10","1") = "9"
    & skf18("10","10","5","5","1","1","1") = "9"
    & skf18("10","10","5","5","1","2","1") = "9"
    & skf18("10","10","5","5","1","3","1") = "9"
    & skf18("10","10","5","5","1","4","1") = "9"
    & skf18("10","10","5","5","1","5","1") = "9"
    & skf18("10","10","5","5","1","6","1") = "9"
    & skf18("10","10","5","5","1","7","1") = "9"
    & skf18("10","10","5","5","1","8","1") = "9"
    & skf18("10","10","5","5","1","9","1") = "9"
    & skf18("10","10","5","5","1","10","1") = "9"
    & skf18("10","10","5","5","2","1","1") = "9"
    & skf18("10","10","5","5","2","2","1") = "9"
    & skf18("10","10","5","5","2","3","1") = "9"
    & skf18("10","10","5","5","2","4","1") = "9"
    & skf18("10","10","5","5","2","5","1") = "9"
    & skf18("10","10","5","5","2","6","1") = "9"
    & skf18("10","10","5","5","2","7","1") = "9"
    & skf18("10","10","5","5","2","8","1") = "9"
    & skf18("10","10","5","5","2","9","1") = "9"
    & skf18("10","10","5","5","2","10","1") = "9"
    & skf18("10","10","5","5","3","1","1") = "9"
    & skf18("10","10","5","5","3","2","1") = "9"
    & skf18("10","10","5","5","3","3","1") = "9"
    & skf18("10","10","5","5","3","4","1") = "9"
    & skf18("10","10","5","5","3","5","1") = "9"
    & skf18("10","10","5","5","3","6","1") = "9"
    & skf18("10","10","5","5","3","7","1") = "9"
    & skf18("10","10","5","5","3","8","1") = "9"
    & skf18("10","10","5","5","3","9","1") = "9"
    & skf18("10","10","5","5","3","10","1") = "9"
    & skf18("10","10","5","5","4","1","1") = "9"
    & skf18("10","10","5","5","4","2","1") = "9"
    & skf18("10","10","5","5","4","3","1") = "9"
    & skf18("10","10","5","5","4","4","1") = "9"
    & skf18("10","10","5","5","4","5","1") = "9"
    & skf18("10","10","5","5","4","6","1") = "9"
    & skf18("10","10","5","5","4","7","1") = "9"
    & skf18("10","10","5","5","4","8","1") = "9"
    & skf18("10","10","5","5","4","9","1") = "9"
    & skf18("10","10","5","5","4","10","1") = "9"
    & skf18("10","10","5","5","5","1","1") = "9"
    & skf18("10","10","5","5","5","2","1") = "9"
    & skf18("10","10","5","5","5","3","1") = "9"
    & skf18("10","10","5","5","5","4","1") = "9"
    & skf18("10","10","5","5","5","5","1") = "9"
    & skf18("10","10","5","5","5","6","1") = "9"
    & skf18("10","10","5","5","5","7","1") = "9"
    & skf18("10","10","5","5","5","8","1") = "9"
    & skf18("10","10","5","5","5","9","1") = "9"
    & skf18("10","10","5","5","5","10","1") = "9"
    & skf18("10","10","5","5","6","1","1") = "9"
    & skf18("10","10","5","5","6","2","1") = "9"
    & skf18("10","10","5","5","6","3","1") = "9"
    & skf18("10","10","5","5","6","4","1") = "9"
    & skf18("10","10","5","5","6","5","1") = "9"
    & skf18("10","10","5","5","6","6","1") = "9"
    & skf18("10","10","5","5","6","7","1") = "9"
    & skf18("10","10","5","5","6","8","1") = "9"
    & skf18("10","10","5","5","6","9","1") = "9"
    & skf18("10","10","5","5","6","10","1") = "9"
    & skf18("10","10","5","5","7","1","1") = "9"
    & skf18("10","10","5","5","7","2","1") = "9"
    & skf18("10","10","5","5","7","3","1") = "9"
    & skf18("10","10","5","5","7","4","1") = "9"
    & skf18("10","10","5","5","7","5","1") = "9"
    & skf18("10","10","5","5","7","6","1") = "9"
    & skf18("10","10","5","5","7","7","1") = "9"
    & skf18("10","10","5","5","7","8","1") = "9"
    & skf18("10","10","5","5","7","9","1") = "9"
    & skf18("10","10","5","5","7","10","1") = "9"
    & skf18("10","10","5","5","8","1","1") = "9"
    & skf18("10","10","5","5","8","2","1") = "9"
    & skf18("10","10","5","5","8","3","1") = "9"
    & skf18("10","10","5","5","8","4","1") = "9"
    & skf18("10","10","5","5","8","5","1") = "9"
    & skf18("10","10","5","5","8","6","1") = "9"
    & skf18("10","10","5","5","8","7","1") = "9"
    & skf18("10","10","5","5","8","8","1") = "9"
    & skf18("10","10","5","5","8","9","1") = "9"
    & skf18("10","10","5","5","8","10","1") = "9"
    & skf18("10","10","5","5","9","1","1") = "9"
    & skf18("10","10","5","5","9","2","1") = "9"
    & skf18("10","10","5","5","9","3","1") = "9"
    & skf18("10","10","5","5","9","4","1") = "9"
    & skf18("10","10","5","5","9","5","1") = "9"
    & skf18("10","10","5","5","9","6","1") = "9"
    & skf18("10","10","5","5","9","7","1") = "9"
    & skf18("10","10","5","5","9","8","1") = "9"
    & skf18("10","10","5","5","9","9","1") = "9"
    & skf18("10","10","5","5","9","10","1") = "9"
    & skf18("10","10","5","5","10","1","1") = "9"
    & skf18("10","10","5","5","10","2","1") = "9"
    & skf18("10","10","5","5","10","3","1") = "9"
    & skf18("10","10","5","5","10","4","1") = "9"
    & skf18("10","10","5","5","10","5","1") = "9"
    & skf18("10","10","5","5","10","6","1") = "9"
    & skf18("10","10","5","5","10","7","1") = "9"
    & skf18("10","10","5","5","10","8","1") = "9"
    & skf18("10","10","5","5","10","9","1") = "9"
    & skf18("10","10","5","5","10","10","1") = "9"
    & skf18("10","10","5","6","1","1","1") = "9"
    & skf18("10","10","5","6","1","2","1") = "9"
    & skf18("10","10","5","6","1","3","1") = "9"
    & skf18("10","10","5","6","1","4","1") = "9"
    & skf18("10","10","5","6","1","5","1") = "9"
    & skf18("10","10","5","6","1","6","1") = "9"
    & skf18("10","10","5","6","1","7","1") = "9"
    & skf18("10","10","5","6","1","8","1") = "9"
    & skf18("10","10","5","6","1","9","1") = "9"
    & skf18("10","10","5","6","1","10","1") = "9"
    & skf18("10","10","5","6","2","1","1") = "9"
    & skf18("10","10","5","6","2","2","1") = "9"
    & skf18("10","10","5","6","2","3","1") = "9"
    & skf18("10","10","5","6","2","4","1") = "9"
    & skf18("10","10","5","6","2","5","1") = "9"
    & skf18("10","10","5","6","2","6","1") = "9"
    & skf18("10","10","5","6","2","7","1") = "9"
    & skf18("10","10","5","6","2","8","1") = "9"
    & skf18("10","10","5","6","2","9","1") = "9"
    & skf18("10","10","5","6","2","10","1") = "9"
    & skf18("10","10","5","6","3","1","1") = "9"
    & skf18("10","10","5","6","3","2","1") = "9"
    & skf18("10","10","5","6","3","3","1") = "9"
    & skf18("10","10","5","6","3","4","1") = "9"
    & skf18("10","10","5","6","3","5","1") = "9"
    & skf18("10","10","5","6","3","6","1") = "9"
    & skf18("10","10","5","6","3","7","1") = "9"
    & skf18("10","10","5","6","3","8","1") = "9"
    & skf18("10","10","5","6","3","9","1") = "9"
    & skf18("10","10","5","6","3","10","1") = "9"
    & skf18("10","10","5","6","4","1","1") = "9"
    & skf18("10","10","5","6","4","2","1") = "9"
    & skf18("10","10","5","6","4","3","1") = "9"
    & skf18("10","10","5","6","4","4","1") = "9"
    & skf18("10","10","5","6","4","5","1") = "9"
    & skf18("10","10","5","6","4","6","1") = "9"
    & skf18("10","10","5","6","4","7","1") = "9"
    & skf18("10","10","5","6","4","8","1") = "9"
    & skf18("10","10","5","6","4","9","1") = "9"
    & skf18("10","10","5","6","4","10","1") = "9"
    & skf18("10","10","5","6","5","1","1") = "9"
    & skf18("10","10","5","6","5","2","1") = "9"
    & skf18("10","10","5","6","5","3","1") = "9"
    & skf18("10","10","5","6","5","4","1") = "9"
    & skf18("10","10","5","6","5","5","1") = "9"
    & skf18("10","10","5","6","5","6","1") = "9"
    & skf18("10","10","5","6","5","7","1") = "9"
    & skf18("10","10","5","6","5","8","1") = "9"
    & skf18("10","10","5","6","5","9","1") = "9"
    & skf18("10","10","5","6","5","10","1") = "9"
    & skf18("10","10","5","6","6","1","1") = "9"
    & skf18("10","10","5","6","6","2","1") = "9"
    & skf18("10","10","5","6","6","3","1") = "9"
    & skf18("10","10","5","6","6","4","1") = "9"
    & skf18("10","10","5","6","6","5","1") = "9"
    & skf18("10","10","5","6","6","6","1") = "9"
    & skf18("10","10","5","6","6","7","1") = "9"
    & skf18("10","10","5","6","6","8","1") = "9"
    & skf18("10","10","5","6","6","9","1") = "9"
    & skf18("10","10","5","6","6","10","1") = "9"
    & skf18("10","10","5","6","7","1","1") = "9"
    & skf18("10","10","5","6","7","2","1") = "9"
    & skf18("10","10","5","6","7","3","1") = "9"
    & skf18("10","10","5","6","7","4","1") = "9"
    & skf18("10","10","5","6","7","5","1") = "9"
    & skf18("10","10","5","6","7","6","1") = "9"
    & skf18("10","10","5","6","7","7","1") = "9"
    & skf18("10","10","5","6","7","8","1") = "9"
    & skf18("10","10","5","6","7","9","1") = "9"
    & skf18("10","10","5","6","7","10","1") = "9"
    & skf18("10","10","5","6","8","1","1") = "9"
    & skf18("10","10","5","6","8","2","1") = "9"
    & skf18("10","10","5","6","8","3","1") = "9"
    & skf18("10","10","5","6","8","4","1") = "9"
    & skf18("10","10","5","6","8","5","1") = "9"
    & skf18("10","10","5","6","8","6","1") = "9"
    & skf18("10","10","5","6","8","7","1") = "9"
    & skf18("10","10","5","6","8","8","1") = "9"
    & skf18("10","10","5","6","8","9","1") = "9"
    & skf18("10","10","5","6","8","10","1") = "9"
    & skf18("10","10","5","6","9","1","1") = "9"
    & skf18("10","10","5","6","9","2","1") = "9"
    & skf18("10","10","5","6","9","3","1") = "9"
    & skf18("10","10","5","6","9","4","1") = "9"
    & skf18("10","10","5","6","9","5","1") = "9"
    & skf18("10","10","5","6","9","6","1") = "9"
    & skf18("10","10","5","6","9","7","1") = "9"
    & skf18("10","10","5","6","9","8","1") = "9"
    & skf18("10","10","5","6","9","9","1") = "9"
    & skf18("10","10","5","6","9","10","1") = "9"
    & skf18("10","10","5","6","10","1","1") = "9"
    & skf18("10","10","5","6","10","2","1") = "9"
    & skf18("10","10","5","6","10","3","1") = "9"
    & skf18("10","10","5","6","10","4","1") = "9"
    & skf18("10","10","5","6","10","5","1") = "9"
    & skf18("10","10","5","6","10","6","1") = "9"
    & skf18("10","10","5","6","10","7","1") = "9"
    & skf18("10","10","5","6","10","8","1") = "9"
    & skf18("10","10","5","6","10","9","1") = "9"
    & skf18("10","10","5","6","10","10","1") = "9"
    & skf18("10","10","5","7","1","1","1") = "9"
    & skf18("10","10","5","7","1","2","1") = "9"
    & skf18("10","10","5","7","1","3","1") = "9"
    & skf18("10","10","5","7","1","4","1") = "9"
    & skf18("10","10","5","7","1","5","1") = "9"
    & skf18("10","10","5","7","1","6","1") = "9"
    & skf18("10","10","5","7","1","7","1") = "9"
    & skf18("10","10","5","7","1","8","1") = "9"
    & skf18("10","10","5","7","1","9","1") = "9"
    & skf18("10","10","5","7","1","10","1") = "9"
    & skf18("10","10","5","7","2","1","1") = "9"
    & skf18("10","10","5","7","2","2","1") = "9"
    & skf18("10","10","5","7","2","3","1") = "9"
    & skf18("10","10","5","7","2","4","1") = "9"
    & skf18("10","10","5","7","2","5","1") = "9"
    & skf18("10","10","5","7","2","6","1") = "9"
    & skf18("10","10","5","7","2","7","1") = "9"
    & skf18("10","10","5","7","2","8","1") = "9"
    & skf18("10","10","5","7","2","9","1") = "9"
    & skf18("10","10","5","7","2","10","1") = "9"
    & skf18("10","10","5","7","3","1","1") = "9"
    & skf18("10","10","5","7","3","2","1") = "9"
    & skf18("10","10","5","7","3","3","1") = "9"
    & skf18("10","10","5","7","3","4","1") = "9"
    & skf18("10","10","5","7","3","5","1") = "9"
    & skf18("10","10","5","7","3","6","1") = "9"
    & skf18("10","10","5","7","3","7","1") = "9"
    & skf18("10","10","5","7","3","8","1") = "9"
    & skf18("10","10","5","7","3","9","1") = "9"
    & skf18("10","10","5","7","3","10","1") = "9"
    & skf18("10","10","5","7","4","1","1") = "9"
    & skf18("10","10","5","7","4","2","1") = "9"
    & skf18("10","10","5","7","4","3","1") = "9"
    & skf18("10","10","5","7","4","4","1") = "9"
    & skf18("10","10","5","7","4","5","1") = "9"
    & skf18("10","10","5","7","4","6","1") = "9"
    & skf18("10","10","5","7","4","7","1") = "9"
    & skf18("10","10","5","7","4","8","1") = "9"
    & skf18("10","10","5","7","4","9","1") = "9"
    & skf18("10","10","5","7","4","10","1") = "9"
    & skf18("10","10","5","7","5","1","1") = "9"
    & skf18("10","10","5","7","5","2","1") = "9"
    & skf18("10","10","5","7","5","3","1") = "9"
    & skf18("10","10","5","7","5","4","1") = "9"
    & skf18("10","10","5","7","5","5","1") = "9"
    & skf18("10","10","5","7","5","6","1") = "9"
    & skf18("10","10","5","7","5","7","1") = "9"
    & skf18("10","10","5","7","5","8","1") = "9"
    & skf18("10","10","5","7","5","9","1") = "9"
    & skf18("10","10","5","7","5","10","1") = "9"
    & skf18("10","10","5","7","6","1","1") = "9"
    & skf18("10","10","5","7","6","2","1") = "9"
    & skf18("10","10","5","7","6","3","1") = "9"
    & skf18("10","10","5","7","6","4","1") = "9"
    & skf18("10","10","5","7","6","5","1") = "9"
    & skf18("10","10","5","7","6","6","1") = "9"
    & skf18("10","10","5","7","6","7","1") = "9"
    & skf18("10","10","5","7","6","8","1") = "9"
    & skf18("10","10","5","7","6","9","1") = "9"
    & skf18("10","10","5","7","6","10","1") = "9"
    & skf18("10","10","5","7","7","1","1") = "9"
    & skf18("10","10","5","7","7","2","1") = "9"
    & skf18("10","10","5","7","7","3","1") = "9"
    & skf18("10","10","5","7","7","4","1") = "9"
    & skf18("10","10","5","7","7","5","1") = "9"
    & skf18("10","10","5","7","7","6","1") = "9"
    & skf18("10","10","5","7","7","7","1") = "9"
    & skf18("10","10","5","7","7","8","1") = "9"
    & skf18("10","10","5","7","7","9","1") = "9"
    & skf18("10","10","5","7","7","10","1") = "9"
    & skf18("10","10","5","7","8","1","1") = "9"
    & skf18("10","10","5","7","8","2","1") = "9"
    & skf18("10","10","5","7","8","3","1") = "9"
    & skf18("10","10","5","7","8","4","1") = "9"
    & skf18("10","10","5","7","8","5","1") = "9"
    & skf18("10","10","5","7","8","6","1") = "9"
    & skf18("10","10","5","7","8","7","1") = "9"
    & skf18("10","10","5","7","8","8","1") = "9"
    & skf18("10","10","5","7","8","9","1") = "9"
    & skf18("10","10","5","7","8","10","1") = "9"
    & skf18("10","10","5","7","9","1","1") = "9"
    & skf18("10","10","5","7","9","2","1") = "9"
    & skf18("10","10","5","7","9","3","1") = "9"
    & skf18("10","10","5","7","9","4","1") = "9"
    & skf18("10","10","5","7","9","5","1") = "9"
    & skf18("10","10","5","7","9","6","1") = "9"
    & skf18("10","10","5","7","9","7","1") = "9"
    & skf18("10","10","5","7","9","8","1") = "9"
    & skf18("10","10","5","7","9","9","1") = "9"
    & skf18("10","10","5","7","9","10","1") = "9"
    & skf18("10","10","5","7","10","1","1") = "9"
    & skf18("10","10","5","7","10","2","1") = "9"
    & skf18("10","10","5","7","10","3","1") = "9"
    & skf18("10","10","5","7","10","4","1") = "9"
    & skf18("10","10","5","7","10","5","1") = "9"
    & skf18("10","10","5","7","10","6","1") = "9"
    & skf18("10","10","5","7","10","7","1") = "9"
    & skf18("10","10","5","7","10","8","1") = "9"
    & skf18("10","10","5","7","10","9","1") = "9"
    & skf18("10","10","5","7","10","10","1") = "9"
    & skf18("10","10","5","8","1","1","1") = "9"
    & skf18("10","10","5","8","1","2","1") = "9"
    & skf18("10","10","5","8","1","3","1") = "9"
    & skf18("10","10","5","8","1","4","1") = "9"
    & skf18("10","10","5","8","1","5","1") = "9"
    & skf18("10","10","5","8","1","6","1") = "9"
    & skf18("10","10","5","8","1","7","1") = "9"
    & skf18("10","10","5","8","1","8","1") = "9"
    & skf18("10","10","5","8","1","9","1") = "9"
    & skf18("10","10","5","8","1","10","1") = "9"
    & skf18("10","10","5","8","2","1","1") = "9"
    & skf18("10","10","5","8","2","2","1") = "9"
    & skf18("10","10","5","8","2","3","1") = "9"
    & skf18("10","10","5","8","2","4","1") = "9"
    & skf18("10","10","5","8","2","5","1") = "9"
    & skf18("10","10","5","8","2","6","1") = "9"
    & skf18("10","10","5","8","2","7","1") = "9"
    & skf18("10","10","5","8","2","8","1") = "9"
    & skf18("10","10","5","8","2","9","1") = "9"
    & skf18("10","10","5","8","2","10","1") = "9"
    & skf18("10","10","5","8","3","1","1") = "9"
    & skf18("10","10","5","8","3","2","1") = "9"
    & skf18("10","10","5","8","3","3","1") = "9"
    & skf18("10","10","5","8","3","4","1") = "9"
    & skf18("10","10","5","8","3","5","1") = "9"
    & skf18("10","10","5","8","3","6","1") = "9"
    & skf18("10","10","5","8","3","7","1") = "9"
    & skf18("10","10","5","8","3","8","1") = "9"
    & skf18("10","10","5","8","3","9","1") = "9"
    & skf18("10","10","5","8","3","10","1") = "9"
    & skf18("10","10","5","8","4","1","1") = "9"
    & skf18("10","10","5","8","4","2","1") = "9"
    & skf18("10","10","5","8","4","3","1") = "9"
    & skf18("10","10","5","8","4","4","1") = "9"
    & skf18("10","10","5","8","4","5","1") = "9"
    & skf18("10","10","5","8","4","6","1") = "9"
    & skf18("10","10","5","8","4","7","1") = "9"
    & skf18("10","10","5","8","4","8","1") = "9"
    & skf18("10","10","5","8","4","9","1") = "9"
    & skf18("10","10","5","8","4","10","1") = "9"
    & skf18("10","10","5","8","5","1","1") = "9"
    & skf18("10","10","5","8","5","2","1") = "9"
    & skf18("10","10","5","8","5","3","1") = "9"
    & skf18("10","10","5","8","5","4","1") = "9"
    & skf18("10","10","5","8","5","5","1") = "9"
    & skf18("10","10","5","8","5","6","1") = "9"
    & skf18("10","10","5","8","5","7","1") = "9"
    & skf18("10","10","5","8","5","8","1") = "9"
    & skf18("10","10","5","8","5","9","1") = "9"
    & skf18("10","10","5","8","5","10","1") = "9"
    & skf18("10","10","5","8","6","1","1") = "9"
    & skf18("10","10","5","8","6","2","1") = "9"
    & skf18("10","10","5","8","6","3","1") = "9"
    & skf18("10","10","5","8","6","4","1") = "9"
    & skf18("10","10","5","8","6","5","1") = "9"
    & skf18("10","10","5","8","6","6","1") = "9"
    & skf18("10","10","5","8","6","7","1") = "9"
    & skf18("10","10","5","8","6","8","1") = "9"
    & skf18("10","10","5","8","6","9","1") = "9"
    & skf18("10","10","5","8","6","10","1") = "9"
    & skf18("10","10","5","8","7","1","1") = "9"
    & skf18("10","10","5","8","7","2","1") = "9"
    & skf18("10","10","5","8","7","3","1") = "9"
    & skf18("10","10","5","8","7","4","1") = "9"
    & skf18("10","10","5","8","7","5","1") = "9"
    & skf18("10","10","5","8","7","6","1") = "9"
    & skf18("10","10","5","8","7","7","1") = "9"
    & skf18("10","10","5","8","7","8","1") = "9"
    & skf18("10","10","5","8","7","9","1") = "9"
    & skf18("10","10","5","8","7","10","1") = "9"
    & skf18("10","10","5","8","8","1","1") = "9"
    & skf18("10","10","5","8","8","2","1") = "9"
    & skf18("10","10","5","8","8","3","1") = "9"
    & skf18("10","10","5","8","8","4","1") = "9"
    & skf18("10","10","5","8","8","5","1") = "9"
    & skf18("10","10","5","8","8","6","1") = "9"
    & skf18("10","10","5","8","8","7","1") = "9"
    & skf18("10","10","5","8","8","8","1") = "9"
    & skf18("10","10","5","8","8","9","1") = "9"
    & skf18("10","10","5","8","8","10","1") = "9"
    & skf18("10","10","5","8","9","1","1") = "9"
    & skf18("10","10","5","8","9","2","1") = "9"
    & skf18("10","10","5","8","9","3","1") = "9"
    & skf18("10","10","5","8","9","4","1") = "9"
    & skf18("10","10","5","8","9","5","1") = "9"
    & skf18("10","10","5","8","9","6","1") = "9"
    & skf18("10","10","5","8","9","7","1") = "9"
    & skf18("10","10","5","8","9","8","1") = "9"
    & skf18("10","10","5","8","9","9","1") = "9"
    & skf18("10","10","5","8","9","10","1") = "9"
    & skf18("10","10","5","8","10","1","1") = "9"
    & skf18("10","10","5","8","10","2","1") = "9"
    & skf18("10","10","5","8","10","3","1") = "9"
    & skf18("10","10","5","8","10","4","1") = "9"
    & skf18("10","10","5","8","10","5","1") = "9"
    & skf18("10","10","5","8","10","6","1") = "9"
    & skf18("10","10","5","8","10","7","1") = "9"
    & skf18("10","10","5","8","10","8","1") = "9"
    & skf18("10","10","5","8","10","9","1") = "9"
    & skf18("10","10","5","8","10","10","1") = "9"
    & skf18("10","10","5","9","1","1","1") = "9"
    & skf18("10","10","5","9","1","2","1") = "9"
    & skf18("10","10","5","9","1","3","1") = "9"
    & skf18("10","10","5","9","1","4","1") = "9"
    & skf18("10","10","5","9","1","5","1") = "9"
    & skf18("10","10","5","9","1","6","1") = "9"
    & skf18("10","10","5","9","1","7","1") = "9"
    & skf18("10","10","5","9","1","8","1") = "9"
    & skf18("10","10","5","9","1","9","1") = "9"
    & skf18("10","10","5","9","1","10","1") = "9"
    & skf18("10","10","5","9","2","1","1") = "9"
    & skf18("10","10","5","9","2","2","1") = "9"
    & skf18("10","10","5","9","2","3","1") = "9"
    & skf18("10","10","5","9","2","4","1") = "9"
    & skf18("10","10","5","9","2","5","1") = "9"
    & skf18("10","10","5","9","2","6","1") = "9"
    & skf18("10","10","5","9","2","7","1") = "9"
    & skf18("10","10","5","9","2","8","1") = "9"
    & skf18("10","10","5","9","2","9","1") = "9"
    & skf18("10","10","5","9","2","10","1") = "9"
    & skf18("10","10","5","9","3","1","1") = "9"
    & skf18("10","10","5","9","3","2","1") = "9"
    & skf18("10","10","5","9","3","3","1") = "9"
    & skf18("10","10","5","9","3","4","1") = "9"
    & skf18("10","10","5","9","3","5","1") = "9"
    & skf18("10","10","5","9","3","6","1") = "9"
    & skf18("10","10","5","9","3","7","1") = "9"
    & skf18("10","10","5","9","3","8","1") = "9"
    & skf18("10","10","5","9","3","9","1") = "9"
    & skf18("10","10","5","9","3","10","1") = "9"
    & skf18("10","10","5","9","4","1","1") = "9"
    & skf18("10","10","5","9","4","2","1") = "9"
    & skf18("10","10","5","9","4","3","1") = "9"
    & skf18("10","10","5","9","4","4","1") = "9"
    & skf18("10","10","5","9","4","5","1") = "9"
    & skf18("10","10","5","9","4","6","1") = "9"
    & skf18("10","10","5","9","4","7","1") = "9"
    & skf18("10","10","5","9","4","8","1") = "9"
    & skf18("10","10","5","9","4","9","1") = "9"
    & skf18("10","10","5","9","4","10","1") = "9"
    & skf18("10","10","5","9","5","1","1") = "9"
    & skf18("10","10","5","9","5","2","1") = "9"
    & skf18("10","10","5","9","5","3","1") = "9"
    & skf18("10","10","5","9","5","4","1") = "9"
    & skf18("10","10","5","9","5","5","1") = "9"
    & skf18("10","10","5","9","5","6","1") = "9"
    & skf18("10","10","5","9","5","7","1") = "9"
    & skf18("10","10","5","9","5","8","1") = "9"
    & skf18("10","10","5","9","5","9","1") = "9"
    & skf18("10","10","5","9","5","10","1") = "9"
    & skf18("10","10","5","9","6","1","1") = "9"
    & skf18("10","10","5","9","6","2","1") = "9"
    & skf18("10","10","5","9","6","3","1") = "9"
    & skf18("10","10","5","9","6","4","1") = "9"
    & skf18("10","10","5","9","6","5","1") = "9"
    & skf18("10","10","5","9","6","6","1") = "9"
    & skf18("10","10","5","9","6","7","1") = "9"
    & skf18("10","10","5","9","6","8","1") = "9"
    & skf18("10","10","5","9","6","9","1") = "9"
    & skf18("10","10","5","9","6","10","1") = "9"
    & skf18("10","10","5","9","7","1","1") = "9"
    & skf18("10","10","5","9","7","2","1") = "9"
    & skf18("10","10","5","9","7","3","1") = "9"
    & skf18("10","10","5","9","7","4","1") = "9"
    & skf18("10","10","5","9","7","5","1") = "9"
    & skf18("10","10","5","9","7","6","1") = "9"
    & skf18("10","10","5","9","7","7","1") = "9"
    & skf18("10","10","5","9","7","8","1") = "9"
    & skf18("10","10","5","9","7","9","1") = "9"
    & skf18("10","10","5","9","7","10","1") = "9"
    & skf18("10","10","5","9","8","1","1") = "9"
    & skf18("10","10","5","9","8","2","1") = "9"
    & skf18("10","10","5","9","8","3","1") = "9"
    & skf18("10","10","5","9","8","4","1") = "9"
    & skf18("10","10","5","9","8","5","1") = "9"
    & skf18("10","10","5","9","8","6","1") = "9"
    & skf18("10","10","5","9","8","7","1") = "9"
    & skf18("10","10","5","9","8","8","1") = "9"
    & skf18("10","10","5","9","8","9","1") = "9"
    & skf18("10","10","5","9","8","10","1") = "9"
    & skf18("10","10","5","9","9","1","1") = "9"
    & skf18("10","10","5","9","9","2","1") = "9"
    & skf18("10","10","5","9","9","3","1") = "9"
    & skf18("10","10","5","9","9","4","1") = "9"
    & skf18("10","10","5","9","9","5","1") = "9"
    & skf18("10","10","5","9","9","6","1") = "9"
    & skf18("10","10","5","9","9","7","1") = "9"
    & skf18("10","10","5","9","9","8","1") = "9"
    & skf18("10","10","5","9","9","9","1") = "9"
    & skf18("10","10","5","9","9","10","1") = "9"
    & skf18("10","10","5","9","10","1","1") = "9"
    & skf18("10","10","5","9","10","2","1") = "9"
    & skf18("10","10","5","9","10","3","1") = "9"
    & skf18("10","10","5","9","10","4","1") = "9"
    & skf18("10","10","5","9","10","5","1") = "9"
    & skf18("10","10","5","9","10","6","1") = "9"
    & skf18("10","10","5","9","10","7","1") = "9"
    & skf18("10","10","5","9","10","8","1") = "9"
    & skf18("10","10","5","9","10","9","1") = "9"
    & skf18("10","10","5","9","10","10","1") = "9"
    & skf18("10","10","5","10","1","1","1") = "9"
    & skf18("10","10","5","10","1","2","1") = "9"
    & skf18("10","10","5","10","1","3","1") = "9"
    & skf18("10","10","5","10","1","4","1") = "9"
    & skf18("10","10","5","10","1","5","1") = "9"
    & skf18("10","10","5","10","1","6","1") = "9"
    & skf18("10","10","5","10","1","7","1") = "9"
    & skf18("10","10","5","10","1","8","1") = "9"
    & skf18("10","10","5","10","1","9","1") = "9"
    & skf18("10","10","5","10","1","10","1") = "9"
    & skf18("10","10","5","10","2","1","1") = "9"
    & skf18("10","10","5","10","2","2","1") = "9"
    & skf18("10","10","5","10","2","3","1") = "9"
    & skf18("10","10","5","10","2","4","1") = "9"
    & skf18("10","10","5","10","2","5","1") = "9"
    & skf18("10","10","5","10","2","6","1") = "9"
    & skf18("10","10","5","10","2","7","1") = "9"
    & skf18("10","10","5","10","2","8","1") = "9"
    & skf18("10","10","5","10","2","9","1") = "9"
    & skf18("10","10","5","10","2","10","1") = "9"
    & skf18("10","10","5","10","3","1","1") = "9"
    & skf18("10","10","5","10","3","2","1") = "9"
    & skf18("10","10","5","10","3","3","1") = "9"
    & skf18("10","10","5","10","3","4","1") = "9"
    & skf18("10","10","5","10","3","5","1") = "9"
    & skf18("10","10","5","10","3","6","1") = "9"
    & skf18("10","10","5","10","3","7","1") = "9"
    & skf18("10","10","5","10","3","8","1") = "9"
    & skf18("10","10","5","10","3","9","1") = "9"
    & skf18("10","10","5","10","3","10","1") = "9"
    & skf18("10","10","5","10","4","1","1") = "9"
    & skf18("10","10","5","10","4","2","1") = "9"
    & skf18("10","10","5","10","4","3","1") = "9"
    & skf18("10","10","5","10","4","4","1") = "9"
    & skf18("10","10","5","10","4","5","1") = "9"
    & skf18("10","10","5","10","4","6","1") = "9"
    & skf18("10","10","5","10","4","7","1") = "9"
    & skf18("10","10","5","10","4","8","1") = "9"
    & skf18("10","10","5","10","4","9","1") = "9"
    & skf18("10","10","5","10","4","10","1") = "9"
    & skf18("10","10","5","10","5","1","1") = "9"
    & skf18("10","10","5","10","5","2","1") = "9"
    & skf18("10","10","5","10","5","3","1") = "9"
    & skf18("10","10","5","10","5","4","1") = "9"
    & skf18("10","10","5","10","5","5","1") = "9"
    & skf18("10","10","5","10","5","6","1") = "9"
    & skf18("10","10","5","10","5","7","1") = "9"
    & skf18("10","10","5","10","5","8","1") = "9"
    & skf18("10","10","5","10","5","9","1") = "9"
    & skf18("10","10","5","10","5","10","1") = "9"
    & skf18("10","10","5","10","6","1","1") = "9"
    & skf18("10","10","5","10","6","2","1") = "9"
    & skf18("10","10","5","10","6","3","1") = "9"
    & skf18("10","10","5","10","6","4","1") = "9"
    & skf18("10","10","5","10","6","5","1") = "9"
    & skf18("10","10","5","10","6","6","1") = "9"
    & skf18("10","10","5","10","6","7","1") = "9"
    & skf18("10","10","5","10","6","8","1") = "9"
    & skf18("10","10","5","10","6","9","1") = "9"
    & skf18("10","10","5","10","6","10","1") = "9"
    & skf18("10","10","5","10","7","1","1") = "9"
    & skf18("10","10","5","10","7","2","1") = "9"
    & skf18("10","10","5","10","7","3","1") = "9"
    & skf18("10","10","5","10","7","4","1") = "9"
    & skf18("10","10","5","10","7","5","1") = "9"
    & skf18("10","10","5","10","7","6","1") = "9"
    & skf18("10","10","5","10","7","7","1") = "9"
    & skf18("10","10","5","10","7","8","1") = "9"
    & skf18("10","10","5","10","7","9","1") = "9"
    & skf18("10","10","5","10","7","10","1") = "9"
    & skf18("10","10","5","10","8","1","1") = "9"
    & skf18("10","10","5","10","8","2","1") = "9"
    & skf18("10","10","5","10","8","3","1") = "9"
    & skf18("10","10","5","10","8","4","1") = "9"
    & skf18("10","10","5","10","8","5","1") = "9"
    & skf18("10","10","5","10","8","6","1") = "9"
    & skf18("10","10","5","10","8","7","1") = "9"
    & skf18("10","10","5","10","8","8","1") = "9"
    & skf18("10","10","5","10","8","9","1") = "9"
    & skf18("10","10","5","10","8","10","1") = "9"
    & skf18("10","10","5","10","9","1","1") = "9"
    & skf18("10","10","5","10","9","2","1") = "9"
    & skf18("10","10","5","10","9","3","1") = "9"
    & skf18("10","10","5","10","9","4","1") = "9"
    & skf18("10","10","5","10","9","5","1") = "9"
    & skf18("10","10","5","10","9","6","1") = "9"
    & skf18("10","10","5","10","9","7","1") = "9"
    & skf18("10","10","5","10","9","8","1") = "9"
    & skf18("10","10","5","10","9","9","1") = "9"
    & skf18("10","10","5","10","9","10","1") = "9"
    & skf18("10","10","5","10","10","1","1") = "9"
    & skf18("10","10","5","10","10","2","1") = "9"
    & skf18("10","10","5","10","10","3","1") = "9"
    & skf18("10","10","5","10","10","4","1") = "9"
    & skf18("10","10","5","10","10","5","1") = "9"
    & skf18("10","10","5","10","10","6","1") = "9"
    & skf18("10","10","5","10","10","7","1") = "9"
    & skf18("10","10","5","10","10","8","1") = "9"
    & skf18("10","10","5","10","10","9","1") = "9"
    & skf18("10","10","5","10","10","10","1") = "9"
    & skf18("10","10","6","1","1","1","1") = "9"
    & skf18("10","10","6","1","1","2","1") = "9"
    & skf18("10","10","6","1","1","3","1") = "9"
    & skf18("10","10","6","1","1","4","1") = "9"
    & skf18("10","10","6","1","1","5","1") = "9"
    & skf18("10","10","6","1","1","6","1") = "9"
    & skf18("10","10","6","1","1","7","1") = "9"
    & skf18("10","10","6","1","1","8","1") = "9"
    & skf18("10","10","6","1","1","9","1") = "9"
    & skf18("10","10","6","1","1","10","1") = "9"
    & skf18("10","10","6","1","2","1","1") = "9"
    & skf18("10","10","6","1","2","2","1") = "9"
    & skf18("10","10","6","1","2","3","1") = "9"
    & skf18("10","10","6","1","2","4","1") = "9"
    & skf18("10","10","6","1","2","5","1") = "9"
    & skf18("10","10","6","1","2","6","1") = "9"
    & skf18("10","10","6","1","2","7","1") = "9"
    & skf18("10","10","6","1","2","8","1") = "9"
    & skf18("10","10","6","1","2","9","1") = "9"
    & skf18("10","10","6","1","2","10","1") = "9"
    & skf18("10","10","6","1","3","1","1") = "9"
    & skf18("10","10","6","1","3","2","1") = "9"
    & skf18("10","10","6","1","3","3","1") = "9"
    & skf18("10","10","6","1","3","4","1") = "9"
    & skf18("10","10","6","1","3","5","1") = "9"
    & skf18("10","10","6","1","3","6","1") = "9"
    & skf18("10","10","6","1","3","7","1") = "9"
    & skf18("10","10","6","1","3","8","1") = "9"
    & skf18("10","10","6","1","3","9","1") = "9"
    & skf18("10","10","6","1","3","10","1") = "9"
    & skf18("10","10","6","1","4","1","1") = "9"
    & skf18("10","10","6","1","4","2","1") = "9"
    & skf18("10","10","6","1","4","3","1") = "9"
    & skf18("10","10","6","1","4","4","1") = "9"
    & skf18("10","10","6","1","4","5","1") = "9"
    & skf18("10","10","6","1","4","6","1") = "9"
    & skf18("10","10","6","1","4","7","1") = "9"
    & skf18("10","10","6","1","4","8","1") = "9"
    & skf18("10","10","6","1","4","9","1") = "9"
    & skf18("10","10","6","1","4","10","1") = "9"
    & skf18("10","10","6","1","5","1","1") = "9"
    & skf18("10","10","6","1","5","2","1") = "9"
    & skf18("10","10","6","1","5","3","1") = "9"
    & skf18("10","10","6","1","5","4","1") = "9"
    & skf18("10","10","6","1","5","5","1") = "9"
    & skf18("10","10","6","1","5","6","1") = "9"
    & skf18("10","10","6","1","5","7","1") = "9"
    & skf18("10","10","6","1","5","8","1") = "9"
    & skf18("10","10","6","1","5","9","1") = "9"
    & skf18("10","10","6","1","5","10","1") = "9"
    & skf18("10","10","6","1","6","1","1") = "9"
    & skf18("10","10","6","1","6","2","1") = "9"
    & skf18("10","10","6","1","6","3","1") = "9"
    & skf18("10","10","6","1","6","4","1") = "9"
    & skf18("10","10","6","1","6","5","1") = "9"
    & skf18("10","10","6","1","6","6","1") = "9"
    & skf18("10","10","6","1","6","7","1") = "9"
    & skf18("10","10","6","1","6","8","1") = "9"
    & skf18("10","10","6","1","6","9","1") = "9"
    & skf18("10","10","6","1","6","10","1") = "9"
    & skf18("10","10","6","1","7","1","1") = "9"
    & skf18("10","10","6","1","7","2","1") = "9"
    & skf18("10","10","6","1","7","3","1") = "9"
    & skf18("10","10","6","1","7","4","1") = "9"
    & skf18("10","10","6","1","7","5","1") = "9"
    & skf18("10","10","6","1","7","6","1") = "9"
    & skf18("10","10","6","1","7","7","1") = "9"
    & skf18("10","10","6","1","7","8","1") = "9"
    & skf18("10","10","6","1","7","9","1") = "9"
    & skf18("10","10","6","1","7","10","1") = "9"
    & skf18("10","10","6","1","8","1","1") = "9"
    & skf18("10","10","6","1","8","2","1") = "9"
    & skf18("10","10","6","1","8","3","1") = "9"
    & skf18("10","10","6","1","8","4","1") = "9"
    & skf18("10","10","6","1","8","5","1") = "9"
    & skf18("10","10","6","1","8","6","1") = "9"
    & skf18("10","10","6","1","8","7","1") = "9"
    & skf18("10","10","6","1","8","8","1") = "9"
    & skf18("10","10","6","1","8","9","1") = "9"
    & skf18("10","10","6","1","8","10","1") = "9"
    & skf18("10","10","6","1","9","1","1") = "9"
    & skf18("10","10","6","1","9","2","1") = "9"
    & skf18("10","10","6","1","9","3","1") = "9"
    & skf18("10","10","6","1","9","4","1") = "9"
    & skf18("10","10","6","1","9","5","1") = "9"
    & skf18("10","10","6","1","9","6","1") = "9"
    & skf18("10","10","6","1","9","7","1") = "9"
    & skf18("10","10","6","1","9","8","1") = "9"
    & skf18("10","10","6","1","9","9","1") = "9"
    & skf18("10","10","6","1","9","10","1") = "9"
    & skf18("10","10","6","1","10","1","1") = "9"
    & skf18("10","10","6","1","10","2","1") = "9"
    & skf18("10","10","6","1","10","3","1") = "9"
    & skf18("10","10","6","1","10","4","1") = "9"
    & skf18("10","10","6","1","10","5","1") = "9"
    & skf18("10","10","6","1","10","6","1") = "9"
    & skf18("10","10","6","1","10","7","1") = "9"
    & skf18("10","10","6","1","10","8","1") = "9"
    & skf18("10","10","6","1","10","9","1") = "9"
    & skf18("10","10","6","1","10","10","1") = "9"
    & skf18("10","10","6","2","1","1","1") = "9"
    & skf18("10","10","6","2","1","2","1") = "9"
    & skf18("10","10","6","2","1","3","1") = "9"
    & skf18("10","10","6","2","1","4","1") = "9"
    & skf18("10","10","6","2","1","5","1") = "9"
    & skf18("10","10","6","2","1","6","1") = "9"
    & skf18("10","10","6","2","1","7","1") = "9"
    & skf18("10","10","6","2","1","8","1") = "9"
    & skf18("10","10","6","2","1","9","1") = "9"
    & skf18("10","10","6","2","1","10","1") = "9"
    & skf18("10","10","6","2","2","1","1") = "9"
    & skf18("10","10","6","2","2","2","1") = "9"
    & skf18("10","10","6","2","2","3","1") = "9"
    & skf18("10","10","6","2","2","4","1") = "9"
    & skf18("10","10","6","2","2","5","1") = "9"
    & skf18("10","10","6","2","2","6","1") = "9"
    & skf18("10","10","6","2","2","7","1") = "9"
    & skf18("10","10","6","2","2","8","1") = "9"
    & skf18("10","10","6","2","2","9","1") = "9"
    & skf18("10","10","6","2","2","10","1") = "9"
    & skf18("10","10","6","2","3","1","1") = "9"
    & skf18("10","10","6","2","3","2","1") = "9"
    & skf18("10","10","6","2","3","3","1") = "9"
    & skf18("10","10","6","2","3","4","1") = "9"
    & skf18("10","10","6","2","3","5","1") = "9"
    & skf18("10","10","6","2","3","6","1") = "9"
    & skf18("10","10","6","2","3","7","1") = "9"
    & skf18("10","10","6","2","3","8","1") = "9"
    & skf18("10","10","6","2","3","9","1") = "9"
    & skf18("10","10","6","2","3","10","1") = "9"
    & skf18("10","10","6","2","4","1","1") = "9"
    & skf18("10","10","6","2","4","2","1") = "9"
    & skf18("10","10","6","2","4","3","1") = "9"
    & skf18("10","10","6","2","4","4","1") = "9"
    & skf18("10","10","6","2","4","5","1") = "9"
    & skf18("10","10","6","2","4","6","1") = "9"
    & skf18("10","10","6","2","4","7","1") = "9"
    & skf18("10","10","6","2","4","8","1") = "9"
    & skf18("10","10","6","2","4","9","1") = "9"
    & skf18("10","10","6","2","4","10","1") = "9"
    & skf18("10","10","6","2","5","1","1") = "9"
    & skf18("10","10","6","2","5","2","1") = "9"
    & skf18("10","10","6","2","5","3","1") = "9"
    & skf18("10","10","6","2","5","4","1") = "9"
    & skf18("10","10","6","2","5","5","1") = "9"
    & skf18("10","10","6","2","5","6","1") = "9"
    & skf18("10","10","6","2","5","7","1") = "9"
    & skf18("10","10","6","2","5","8","1") = "9"
    & skf18("10","10","6","2","5","9","1") = "9"
    & skf18("10","10","6","2","5","10","1") = "9"
    & skf18("10","10","6","2","6","1","1") = "9"
    & skf18("10","10","6","2","6","2","1") = "9"
    & skf18("10","10","6","2","6","3","1") = "9"
    & skf18("10","10","6","2","6","4","1") = "9"
    & skf18("10","10","6","2","6","5","1") = "9"
    & skf18("10","10","6","2","6","6","1") = "9"
    & skf18("10","10","6","2","6","7","1") = "9"
    & skf18("10","10","6","2","6","8","1") = "9"
    & skf18("10","10","6","2","6","9","1") = "9"
    & skf18("10","10","6","2","6","10","1") = "9"
    & skf18("10","10","6","2","7","1","1") = "9"
    & skf18("10","10","6","2","7","2","1") = "9"
    & skf18("10","10","6","2","7","3","1") = "9"
    & skf18("10","10","6","2","7","4","1") = "9"
    & skf18("10","10","6","2","7","5","1") = "9"
    & skf18("10","10","6","2","7","6","1") = "9"
    & skf18("10","10","6","2","7","7","1") = "9"
    & skf18("10","10","6","2","7","8","1") = "9"
    & skf18("10","10","6","2","7","9","1") = "9"
    & skf18("10","10","6","2","7","10","1") = "9"
    & skf18("10","10","6","2","8","1","1") = "9"
    & skf18("10","10","6","2","8","2","1") = "9"
    & skf18("10","10","6","2","8","3","1") = "9"
    & skf18("10","10","6","2","8","4","1") = "9"
    & skf18("10","10","6","2","8","5","1") = "9"
    & skf18("10","10","6","2","8","6","1") = "9"
    & skf18("10","10","6","2","8","7","1") = "9"
    & skf18("10","10","6","2","8","8","1") = "9"
    & skf18("10","10","6","2","8","9","1") = "9"
    & skf18("10","10","6","2","8","10","1") = "9"
    & skf18("10","10","6","2","9","1","1") = "9"
    & skf18("10","10","6","2","9","2","1") = "9"
    & skf18("10","10","6","2","9","3","1") = "9"
    & skf18("10","10","6","2","9","4","1") = "9"
    & skf18("10","10","6","2","9","5","1") = "9"
    & skf18("10","10","6","2","9","6","1") = "9"
    & skf18("10","10","6","2","9","7","1") = "9"
    & skf18("10","10","6","2","9","8","1") = "9"
    & skf18("10","10","6","2","9","9","1") = "9"
    & skf18("10","10","6","2","9","10","1") = "9"
    & skf18("10","10","6","2","10","1","1") = "9"
    & skf18("10","10","6","2","10","2","1") = "9"
    & skf18("10","10","6","2","10","3","1") = "9"
    & skf18("10","10","6","2","10","4","1") = "9"
    & skf18("10","10","6","2","10","5","1") = "9"
    & skf18("10","10","6","2","10","6","1") = "9"
    & skf18("10","10","6","2","10","7","1") = "9"
    & skf18("10","10","6","2","10","8","1") = "9"
    & skf18("10","10","6","2","10","9","1") = "9"
    & skf18("10","10","6","2","10","10","1") = "9"
    & skf18("10","10","6","3","1","1","1") = "9"
    & skf18("10","10","6","3","1","2","1") = "9"
    & skf18("10","10","6","3","1","3","1") = "9"
    & skf18("10","10","6","3","1","4","1") = "9"
    & skf18("10","10","6","3","1","5","1") = "9"
    & skf18("10","10","6","3","1","6","1") = "9"
    & skf18("10","10","6","3","1","7","1") = "9"
    & skf18("10","10","6","3","1","8","1") = "9"
    & skf18("10","10","6","3","1","9","1") = "9"
    & skf18("10","10","6","3","1","10","1") = "9"
    & skf18("10","10","6","3","2","1","1") = "9"
    & skf18("10","10","6","3","2","2","1") = "9"
    & skf18("10","10","6","3","2","3","1") = "9"
    & skf18("10","10","6","3","2","4","1") = "9"
    & skf18("10","10","6","3","2","5","1") = "9"
    & skf18("10","10","6","3","2","6","1") = "9"
    & skf18("10","10","6","3","2","7","1") = "9"
    & skf18("10","10","6","3","2","8","1") = "9"
    & skf18("10","10","6","3","2","9","1") = "9"
    & skf18("10","10","6","3","2","10","1") = "9"
    & skf18("10","10","6","3","3","1","1") = "9"
    & skf18("10","10","6","3","3","2","1") = "9"
    & skf18("10","10","6","3","3","3","1") = "9"
    & skf18("10","10","6","3","3","4","1") = "9"
    & skf18("10","10","6","3","3","5","1") = "9"
    & skf18("10","10","6","3","3","6","1") = "9"
    & skf18("10","10","6","3","3","7","1") = "9"
    & skf18("10","10","6","3","3","8","1") = "9"
    & skf18("10","10","6","3","3","9","1") = "9"
    & skf18("10","10","6","3","3","10","1") = "9"
    & skf18("10","10","6","3","4","1","1") = "9"
    & skf18("10","10","6","3","4","2","1") = "9"
    & skf18("10","10","6","3","4","3","1") = "9"
    & skf18("10","10","6","3","4","4","1") = "9"
    & skf18("10","10","6","3","4","5","1") = "9"
    & skf18("10","10","6","3","4","6","1") = "9"
    & skf18("10","10","6","3","4","7","1") = "9"
    & skf18("10","10","6","3","4","8","1") = "9"
    & skf18("10","10","6","3","4","9","1") = "9"
    & skf18("10","10","6","3","4","10","1") = "9"
    & skf18("10","10","6","3","5","1","1") = "9"
    & skf18("10","10","6","3","5","2","1") = "9"
    & skf18("10","10","6","3","5","3","1") = "9"
    & skf18("10","10","6","3","5","4","1") = "9"
    & skf18("10","10","6","3","5","5","1") = "9"
    & skf18("10","10","6","3","5","6","1") = "9"
    & skf18("10","10","6","3","5","7","1") = "9"
    & skf18("10","10","6","3","5","8","1") = "9"
    & skf18("10","10","6","3","5","9","1") = "9"
    & skf18("10","10","6","3","5","10","1") = "9"
    & skf18("10","10","6","3","6","1","1") = "9"
    & skf18("10","10","6","3","6","2","1") = "9"
    & skf18("10","10","6","3","6","3","1") = "9"
    & skf18("10","10","6","3","6","4","1") = "9"
    & skf18("10","10","6","3","6","5","1") = "9"
    & skf18("10","10","6","3","6","6","1") = "9"
    & skf18("10","10","6","3","6","7","1") = "9"
    & skf18("10","10","6","3","6","8","1") = "9"
    & skf18("10","10","6","3","6","9","1") = "9"
    & skf18("10","10","6","3","6","10","1") = "9"
    & skf18("10","10","6","3","7","1","1") = "9"
    & skf18("10","10","6","3","7","2","1") = "9"
    & skf18("10","10","6","3","7","3","1") = "9"
    & skf18("10","10","6","3","7","4","1") = "9"
    & skf18("10","10","6","3","7","5","1") = "9"
    & skf18("10","10","6","3","7","6","1") = "9"
    & skf18("10","10","6","3","7","7","1") = "9"
    & skf18("10","10","6","3","7","8","1") = "9"
    & skf18("10","10","6","3","7","9","1") = "9"
    & skf18("10","10","6","3","7","10","1") = "9"
    & skf18("10","10","6","3","8","1","1") = "9"
    & skf18("10","10","6","3","8","2","1") = "9"
    & skf18("10","10","6","3","8","3","1") = "9"
    & skf18("10","10","6","3","8","4","1") = "9"
    & skf18("10","10","6","3","8","5","1") = "9"
    & skf18("10","10","6","3","8","6","1") = "9"
    & skf18("10","10","6","3","8","7","1") = "9"
    & skf18("10","10","6","3","8","8","1") = "9"
    & skf18("10","10","6","3","8","9","1") = "9"
    & skf18("10","10","6","3","8","10","1") = "9"
    & skf18("10","10","6","3","9","1","1") = "9"
    & skf18("10","10","6","3","9","2","1") = "9"
    & skf18("10","10","6","3","9","3","1") = "9"
    & skf18("10","10","6","3","9","4","1") = "9"
    & skf18("10","10","6","3","9","5","1") = "9"
    & skf18("10","10","6","3","9","6","1") = "9"
    & skf18("10","10","6","3","9","7","1") = "9"
    & skf18("10","10","6","3","9","8","1") = "9"
    & skf18("10","10","6","3","9","9","1") = "9"
    & skf18("10","10","6","3","9","10","1") = "9"
    & skf18("10","10","6","3","10","1","1") = "9"
    & skf18("10","10","6","3","10","2","1") = "9"
    & skf18("10","10","6","3","10","3","1") = "9"
    & skf18("10","10","6","3","10","4","1") = "9"
    & skf18("10","10","6","3","10","5","1") = "9"
    & skf18("10","10","6","3","10","6","1") = "9"
    & skf18("10","10","6","3","10","7","1") = "9"
    & skf18("10","10","6","3","10","8","1") = "9"
    & skf18("10","10","6","3","10","9","1") = "9"
    & skf18("10","10","6","3","10","10","1") = "9"
    & skf18("10","10","6","4","1","1","1") = "9"
    & skf18("10","10","6","4","1","2","1") = "9"
    & skf18("10","10","6","4","1","3","1") = "9"
    & skf18("10","10","6","4","1","4","1") = "9"
    & skf18("10","10","6","4","1","5","1") = "9"
    & skf18("10","10","6","4","1","6","1") = "9"
    & skf18("10","10","6","4","1","7","1") = "9"
    & skf18("10","10","6","4","1","8","1") = "9"
    & skf18("10","10","6","4","1","9","1") = "9"
    & skf18("10","10","6","4","1","10","1") = "9"
    & skf18("10","10","6","4","2","1","1") = "9"
    & skf18("10","10","6","4","2","2","1") = "9"
    & skf18("10","10","6","4","2","3","1") = "9"
    & skf18("10","10","6","4","2","4","1") = "9"
    & skf18("10","10","6","4","2","5","1") = "9"
    & skf18("10","10","6","4","2","6","1") = "9"
    & skf18("10","10","6","4","2","7","1") = "9"
    & skf18("10","10","6","4","2","8","1") = "9"
    & skf18("10","10","6","4","2","9","1") = "9"
    & skf18("10","10","6","4","2","10","1") = "9"
    & skf18("10","10","6","4","3","1","1") = "9"
    & skf18("10","10","6","4","3","2","1") = "9"
    & skf18("10","10","6","4","3","3","1") = "9"
    & skf18("10","10","6","4","3","4","1") = "9"
    & skf18("10","10","6","4","3","5","1") = "9"
    & skf18("10","10","6","4","3","6","1") = "9"
    & skf18("10","10","6","4","3","7","1") = "9"
    & skf18("10","10","6","4","3","8","1") = "9"
    & skf18("10","10","6","4","3","9","1") = "9"
    & skf18("10","10","6","4","3","10","1") = "9"
    & skf18("10","10","6","4","4","1","1") = "9"
    & skf18("10","10","6","4","4","2","1") = "9"
    & skf18("10","10","6","4","4","3","1") = "9"
    & skf18("10","10","6","4","4","4","1") = "9"
    & skf18("10","10","6","4","4","5","1") = "9"
    & skf18("10","10","6","4","4","6","1") = "9"
    & skf18("10","10","6","4","4","7","1") = "9"
    & skf18("10","10","6","4","4","8","1") = "9"
    & skf18("10","10","6","4","4","9","1") = "9"
    & skf18("10","10","6","4","4","10","1") = "9"
    & skf18("10","10","6","4","5","1","1") = "9"
    & skf18("10","10","6","4","5","2","1") = "9"
    & skf18("10","10","6","4","5","3","1") = "9"
    & skf18("10","10","6","4","5","4","1") = "9"
    & skf18("10","10","6","4","5","5","1") = "9"
    & skf18("10","10","6","4","5","6","1") = "9"
    & skf18("10","10","6","4","5","7","1") = "9"
    & skf18("10","10","6","4","5","8","1") = "9"
    & skf18("10","10","6","4","5","9","1") = "9"
    & skf18("10","10","6","4","5","10","1") = "9"
    & skf18("10","10","6","4","6","1","1") = "9"
    & skf18("10","10","6","4","6","2","1") = "9"
    & skf18("10","10","6","4","6","3","1") = "9"
    & skf18("10","10","6","4","6","4","1") = "9"
    & skf18("10","10","6","4","6","5","1") = "9"
    & skf18("10","10","6","4","6","6","1") = "9"
    & skf18("10","10","6","4","6","7","1") = "9"
    & skf18("10","10","6","4","6","8","1") = "9"
    & skf18("10","10","6","4","6","9","1") = "9"
    & skf18("10","10","6","4","6","10","1") = "9"
    & skf18("10","10","6","4","7","1","1") = "9"
    & skf18("10","10","6","4","7","2","1") = "9"
    & skf18("10","10","6","4","7","3","1") = "9"
    & skf18("10","10","6","4","7","4","1") = "9"
    & skf18("10","10","6","4","7","5","1") = "9"
    & skf18("10","10","6","4","7","6","1") = "9"
    & skf18("10","10","6","4","7","7","1") = "9"
    & skf18("10","10","6","4","7","8","1") = "9"
    & skf18("10","10","6","4","7","9","1") = "9"
    & skf18("10","10","6","4","7","10","1") = "9"
    & skf18("10","10","6","4","8","1","1") = "9"
    & skf18("10","10","6","4","8","2","1") = "9"
    & skf18("10","10","6","4","8","3","1") = "9"
    & skf18("10","10","6","4","8","4","1") = "9"
    & skf18("10","10","6","4","8","5","1") = "9"
    & skf18("10","10","6","4","8","6","1") = "9"
    & skf18("10","10","6","4","8","7","1") = "9"
    & skf18("10","10","6","4","8","8","1") = "9"
    & skf18("10","10","6","4","8","9","1") = "9"
    & skf18("10","10","6","4","8","10","1") = "9"
    & skf18("10","10","6","4","9","1","1") = "9"
    & skf18("10","10","6","4","9","2","1") = "9"
    & skf18("10","10","6","4","9","3","1") = "9"
    & skf18("10","10","6","4","9","4","1") = "9"
    & skf18("10","10","6","4","9","5","1") = "9"
    & skf18("10","10","6","4","9","6","1") = "9"
    & skf18("10","10","6","4","9","7","1") = "9"
    & skf18("10","10","6","4","9","8","1") = "9"
    & skf18("10","10","6","4","9","9","1") = "9"
    & skf18("10","10","6","4","9","10","1") = "9"
    & skf18("10","10","6","4","10","1","1") = "9"
    & skf18("10","10","6","4","10","2","1") = "9"
    & skf18("10","10","6","4","10","3","1") = "9"
    & skf18("10","10","6","4","10","4","1") = "9"
    & skf18("10","10","6","4","10","5","1") = "9"
    & skf18("10","10","6","4","10","6","1") = "9"
    & skf18("10","10","6","4","10","7","1") = "9"
    & skf18("10","10","6","4","10","8","1") = "9"
    & skf18("10","10","6","4","10","9","1") = "9"
    & skf18("10","10","6","4","10","10","1") = "9"
    & skf18("10","10","6","5","1","1","1") = "9"
    & skf18("10","10","6","5","1","2","1") = "9"
    & skf18("10","10","6","5","1","3","1") = "9"
    & skf18("10","10","6","5","1","4","1") = "9"
    & skf18("10","10","6","5","1","5","1") = "9"
    & skf18("10","10","6","5","1","6","1") = "9"
    & skf18("10","10","6","5","1","7","1") = "9"
    & skf18("10","10","6","5","1","8","1") = "9"
    & skf18("10","10","6","5","1","9","1") = "9"
    & skf18("10","10","6","5","1","10","1") = "9"
    & skf18("10","10","6","5","2","1","1") = "9"
    & skf18("10","10","6","5","2","2","1") = "9"
    & skf18("10","10","6","5","2","3","1") = "9"
    & skf18("10","10","6","5","2","4","1") = "9"
    & skf18("10","10","6","5","2","5","1") = "9"
    & skf18("10","10","6","5","2","6","1") = "9"
    & skf18("10","10","6","5","2","7","1") = "9"
    & skf18("10","10","6","5","2","8","1") = "9"
    & skf18("10","10","6","5","2","9","1") = "9"
    & skf18("10","10","6","5","2","10","1") = "9"
    & skf18("10","10","6","5","3","1","1") = "9"
    & skf18("10","10","6","5","3","2","1") = "9"
    & skf18("10","10","6","5","3","3","1") = "9"
    & skf18("10","10","6","5","3","4","1") = "9"
    & skf18("10","10","6","5","3","5","1") = "9"
    & skf18("10","10","6","5","3","6","1") = "9"
    & skf18("10","10","6","5","3","7","1") = "9"
    & skf18("10","10","6","5","3","8","1") = "9"
    & skf18("10","10","6","5","3","9","1") = "9"
    & skf18("10","10","6","5","3","10","1") = "9"
    & skf18("10","10","6","5","4","1","1") = "9"
    & skf18("10","10","6","5","4","2","1") = "9"
    & skf18("10","10","6","5","4","3","1") = "9"
    & skf18("10","10","6","5","4","4","1") = "9"
    & skf18("10","10","6","5","4","5","1") = "9"
    & skf18("10","10","6","5","4","6","1") = "9"
    & skf18("10","10","6","5","4","7","1") = "9"
    & skf18("10","10","6","5","4","8","1") = "9"
    & skf18("10","10","6","5","4","9","1") = "9"
    & skf18("10","10","6","5","4","10","1") = "9"
    & skf18("10","10","6","5","5","1","1") = "9"
    & skf18("10","10","6","5","5","2","1") = "9"
    & skf18("10","10","6","5","5","3","1") = "9"
    & skf18("10","10","6","5","5","4","1") = "9"
    & skf18("10","10","6","5","5","5","1") = "9"
    & skf18("10","10","6","5","5","6","1") = "9"
    & skf18("10","10","6","5","5","7","1") = "9"
    & skf18("10","10","6","5","5","8","1") = "9"
    & skf18("10","10","6","5","5","9","1") = "9"
    & skf18("10","10","6","5","5","10","1") = "9"
    & skf18("10","10","6","5","6","1","1") = "9"
    & skf18("10","10","6","5","6","2","1") = "9"
    & skf18("10","10","6","5","6","3","1") = "9"
    & skf18("10","10","6","5","6","4","1") = "9"
    & skf18("10","10","6","5","6","5","1") = "9"
    & skf18("10","10","6","5","6","6","1") = "9"
    & skf18("10","10","6","5","6","7","1") = "9"
    & skf18("10","10","6","5","6","8","1") = "9"
    & skf18("10","10","6","5","6","9","1") = "9"
    & skf18("10","10","6","5","6","10","1") = "9"
    & skf18("10","10","6","5","7","1","1") = "9"
    & skf18("10","10","6","5","7","2","1") = "9"
    & skf18("10","10","6","5","7","3","1") = "9"
    & skf18("10","10","6","5","7","4","1") = "9"
    & skf18("10","10","6","5","7","5","1") = "9"
    & skf18("10","10","6","5","7","6","1") = "9"
    & skf18("10","10","6","5","7","7","1") = "9"
    & skf18("10","10","6","5","7","8","1") = "9"
    & skf18("10","10","6","5","7","9","1") = "9"
    & skf18("10","10","6","5","7","10","1") = "9"
    & skf18("10","10","6","5","8","1","1") = "9"
    & skf18("10","10","6","5","8","2","1") = "9"
    & skf18("10","10","6","5","8","3","1") = "9"
    & skf18("10","10","6","5","8","4","1") = "9"
    & skf18("10","10","6","5","8","5","1") = "9"
    & skf18("10","10","6","5","8","6","1") = "9"
    & skf18("10","10","6","5","8","7","1") = "9"
    & skf18("10","10","6","5","8","8","1") = "9"
    & skf18("10","10","6","5","8","9","1") = "9"
    & skf18("10","10","6","5","8","10","1") = "9"
    & skf18("10","10","6","5","9","1","1") = "9"
    & skf18("10","10","6","5","9","2","1") = "9"
    & skf18("10","10","6","5","9","3","1") = "9"
    & skf18("10","10","6","5","9","4","1") = "9"
    & skf18("10","10","6","5","9","5","1") = "9"
    & skf18("10","10","6","5","9","6","1") = "9"
    & skf18("10","10","6","5","9","7","1") = "9"
    & skf18("10","10","6","5","9","8","1") = "9"
    & skf18("10","10","6","5","9","9","1") = "9"
    & skf18("10","10","6","5","9","10","1") = "9"
    & skf18("10","10","6","5","10","1","1") = "9"
    & skf18("10","10","6","5","10","2","1") = "9"
    & skf18("10","10","6","5","10","3","1") = "9"
    & skf18("10","10","6","5","10","4","1") = "9"
    & skf18("10","10","6","5","10","5","1") = "9"
    & skf18("10","10","6","5","10","6","1") = "9"
    & skf18("10","10","6","5","10","7","1") = "9"
    & skf18("10","10","6","5","10","8","1") = "9"
    & skf18("10","10","6","5","10","9","1") = "9"
    & skf18("10","10","6","5","10","10","1") = "9"
    & skf18("10","10","6","6","1","1","1") = "9"
    & skf18("10","10","6","6","1","2","1") = "9"
    & skf18("10","10","6","6","1","3","1") = "9"
    & skf18("10","10","6","6","1","4","1") = "9"
    & skf18("10","10","6","6","1","5","1") = "9"
    & skf18("10","10","6","6","1","6","1") = "9"
    & skf18("10","10","6","6","1","7","1") = "9"
    & skf18("10","10","6","6","1","8","1") = "9"
    & skf18("10","10","6","6","1","9","1") = "9"
    & skf18("10","10","6","6","1","10","1") = "9"
    & skf18("10","10","6","6","2","1","1") = "9"
    & skf18("10","10","6","6","2","2","1") = "9"
    & skf18("10","10","6","6","2","3","1") = "9"
    & skf18("10","10","6","6","2","4","1") = "9"
    & skf18("10","10","6","6","2","5","1") = "9"
    & skf18("10","10","6","6","2","6","1") = "9"
    & skf18("10","10","6","6","2","7","1") = "9"
    & skf18("10","10","6","6","2","8","1") = "9"
    & skf18("10","10","6","6","2","9","1") = "9"
    & skf18("10","10","6","6","2","10","1") = "9"
    & skf18("10","10","6","6","3","1","1") = "9"
    & skf18("10","10","6","6","3","2","1") = "9"
    & skf18("10","10","6","6","3","3","1") = "9"
    & skf18("10","10","6","6","3","4","1") = "9"
    & skf18("10","10","6","6","3","5","1") = "9"
    & skf18("10","10","6","6","3","6","1") = "9"
    & skf18("10","10","6","6","3","7","1") = "9"
    & skf18("10","10","6","6","3","8","1") = "9"
    & skf18("10","10","6","6","3","9","1") = "9"
    & skf18("10","10","6","6","3","10","1") = "9"
    & skf18("10","10","6","6","4","1","1") = "9"
    & skf18("10","10","6","6","4","2","1") = "9"
    & skf18("10","10","6","6","4","3","1") = "9"
    & skf18("10","10","6","6","4","4","1") = "9"
    & skf18("10","10","6","6","4","5","1") = "9"
    & skf18("10","10","6","6","4","6","1") = "9"
    & skf18("10","10","6","6","4","7","1") = "9"
    & skf18("10","10","6","6","4","8","1") = "9"
    & skf18("10","10","6","6","4","9","1") = "9"
    & skf18("10","10","6","6","4","10","1") = "9"
    & skf18("10","10","6","6","5","1","1") = "9"
    & skf18("10","10","6","6","5","2","1") = "9"
    & skf18("10","10","6","6","5","3","1") = "9"
    & skf18("10","10","6","6","5","4","1") = "9"
    & skf18("10","10","6","6","5","5","1") = "9"
    & skf18("10","10","6","6","5","6","1") = "9"
    & skf18("10","10","6","6","5","7","1") = "9"
    & skf18("10","10","6","6","5","8","1") = "9"
    & skf18("10","10","6","6","5","9","1") = "9"
    & skf18("10","10","6","6","5","10","1") = "9"
    & skf18("10","10","6","6","6","1","1") = "9"
    & skf18("10","10","6","6","6","2","1") = "9"
    & skf18("10","10","6","6","6","3","1") = "9"
    & skf18("10","10","6","6","6","4","1") = "9"
    & skf18("10","10","6","6","6","5","1") = "9"
    & skf18("10","10","6","6","6","6","1") = "9"
    & skf18("10","10","6","6","6","7","1") = "9"
    & skf18("10","10","6","6","6","8","1") = "9"
    & skf18("10","10","6","6","6","9","1") = "9"
    & skf18("10","10","6","6","6","10","1") = "9"
    & skf18("10","10","6","6","7","1","1") = "9"
    & skf18("10","10","6","6","7","2","1") = "9"
    & skf18("10","10","6","6","7","3","1") = "9"
    & skf18("10","10","6","6","7","4","1") = "9"
    & skf18("10","10","6","6","7","5","1") = "9"
    & skf18("10","10","6","6","7","6","1") = "9"
    & skf18("10","10","6","6","7","7","1") = "9"
    & skf18("10","10","6","6","7","8","1") = "9"
    & skf18("10","10","6","6","7","9","1") = "9"
    & skf18("10","10","6","6","7","10","1") = "9"
    & skf18("10","10","6","6","8","1","1") = "9"
    & skf18("10","10","6","6","8","2","1") = "9"
    & skf18("10","10","6","6","8","3","1") = "9"
    & skf18("10","10","6","6","8","4","1") = "9"
    & skf18("10","10","6","6","8","5","1") = "9"
    & skf18("10","10","6","6","8","6","1") = "9"
    & skf18("10","10","6","6","8","7","1") = "9"
    & skf18("10","10","6","6","8","8","1") = "9"
    & skf18("10","10","6","6","8","9","1") = "9"
    & skf18("10","10","6","6","8","10","1") = "9"
    & skf18("10","10","6","6","9","1","1") = "9"
    & skf18("10","10","6","6","9","2","1") = "9"
    & skf18("10","10","6","6","9","3","1") = "9"
    & skf18("10","10","6","6","9","4","1") = "9"
    & skf18("10","10","6","6","9","5","1") = "9"
    & skf18("10","10","6","6","9","6","1") = "9"
    & skf18("10","10","6","6","9","7","1") = "9"
    & skf18("10","10","6","6","9","8","1") = "9"
    & skf18("10","10","6","6","9","9","1") = "9"
    & skf18("10","10","6","6","9","10","1") = "9"
    & skf18("10","10","6","6","10","1","1") = "9"
    & skf18("10","10","6","6","10","2","1") = "9"
    & skf18("10","10","6","6","10","3","1") = "9"
    & skf18("10","10","6","6","10","4","1") = "9"
    & skf18("10","10","6","6","10","5","1") = "9"
    & skf18("10","10","6","6","10","6","1") = "9"
    & skf18("10","10","6","6","10","7","1") = "9"
    & skf18("10","10","6","6","10","8","1") = "9"
    & skf18("10","10","6","6","10","9","1") = "9"
    & skf18("10","10","6","6","10","10","1") = "9"
    & skf18("10","10","6","7","1","1","1") = "9"
    & skf18("10","10","6","7","1","2","1") = "9"
    & skf18("10","10","6","7","1","3","1") = "9"
    & skf18("10","10","6","7","1","4","1") = "9"
    & skf18("10","10","6","7","1","5","1") = "9"
    & skf18("10","10","6","7","1","6","1") = "9"
    & skf18("10","10","6","7","1","7","1") = "9"
    & skf18("10","10","6","7","1","8","1") = "9"
    & skf18("10","10","6","7","1","9","1") = "9"
    & skf18("10","10","6","7","1","10","1") = "9"
    & skf18("10","10","6","7","2","1","1") = "9"
    & skf18("10","10","6","7","2","2","1") = "9"
    & skf18("10","10","6","7","2","3","1") = "9"
    & skf18("10","10","6","7","2","4","1") = "9"
    & skf18("10","10","6","7","2","5","1") = "9"
    & skf18("10","10","6","7","2","6","1") = "9"
    & skf18("10","10","6","7","2","7","1") = "9"
    & skf18("10","10","6","7","2","8","1") = "9"
    & skf18("10","10","6","7","2","9","1") = "9"
    & skf18("10","10","6","7","2","10","1") = "9"
    & skf18("10","10","6","7","3","1","1") = "9"
    & skf18("10","10","6","7","3","2","1") = "9"
    & skf18("10","10","6","7","3","3","1") = "9"
    & skf18("10","10","6","7","3","4","1") = "9"
    & skf18("10","10","6","7","3","5","1") = "9"
    & skf18("10","10","6","7","3","6","1") = "9"
    & skf18("10","10","6","7","3","7","1") = "9"
    & skf18("10","10","6","7","3","8","1") = "9"
    & skf18("10","10","6","7","3","9","1") = "9"
    & skf18("10","10","6","7","3","10","1") = "9"
    & skf18("10","10","6","7","4","1","1") = "9"
    & skf18("10","10","6","7","4","2","1") = "9"
    & skf18("10","10","6","7","4","3","1") = "9"
    & skf18("10","10","6","7","4","4","1") = "9"
    & skf18("10","10","6","7","4","5","1") = "9"
    & skf18("10","10","6","7","4","6","1") = "9"
    & skf18("10","10","6","7","4","7","1") = "9"
    & skf18("10","10","6","7","4","8","1") = "9"
    & skf18("10","10","6","7","4","9","1") = "9"
    & skf18("10","10","6","7","4","10","1") = "9"
    & skf18("10","10","6","7","5","1","1") = "9"
    & skf18("10","10","6","7","5","2","1") = "9"
    & skf18("10","10","6","7","5","3","1") = "9"
    & skf18("10","10","6","7","5","4","1") = "9"
    & skf18("10","10","6","7","5","5","1") = "9"
    & skf18("10","10","6","7","5","6","1") = "9"
    & skf18("10","10","6","7","5","7","1") = "9"
    & skf18("10","10","6","7","5","8","1") = "9"
    & skf18("10","10","6","7","5","9","1") = "9"
    & skf18("10","10","6","7","5","10","1") = "9"
    & skf18("10","10","6","7","6","1","1") = "9"
    & skf18("10","10","6","7","6","2","1") = "9"
    & skf18("10","10","6","7","6","3","1") = "9"
    & skf18("10","10","6","7","6","4","1") = "9"
    & skf18("10","10","6","7","6","5","1") = "9"
    & skf18("10","10","6","7","6","6","1") = "9"
    & skf18("10","10","6","7","6","7","1") = "9"
    & skf18("10","10","6","7","6","8","1") = "9"
    & skf18("10","10","6","7","6","9","1") = "9"
    & skf18("10","10","6","7","6","10","1") = "9"
    & skf18("10","10","6","7","7","1","1") = "9"
    & skf18("10","10","6","7","7","2","1") = "9"
    & skf18("10","10","6","7","7","3","1") = "9"
    & skf18("10","10","6","7","7","4","1") = "9"
    & skf18("10","10","6","7","7","5","1") = "9"
    & skf18("10","10","6","7","7","6","1") = "9"
    & skf18("10","10","6","7","7","7","1") = "9"
    & skf18("10","10","6","7","7","8","1") = "9"
    & skf18("10","10","6","7","7","9","1") = "9"
    & skf18("10","10","6","7","7","10","1") = "9"
    & skf18("10","10","6","7","8","1","1") = "9"
    & skf18("10","10","6","7","8","2","1") = "9"
    & skf18("10","10","6","7","8","3","1") = "9"
    & skf18("10","10","6","7","8","4","1") = "9"
    & skf18("10","10","6","7","8","5","1") = "9"
    & skf18("10","10","6","7","8","6","1") = "9"
    & skf18("10","10","6","7","8","7","1") = "9"
    & skf18("10","10","6","7","8","8","1") = "9"
    & skf18("10","10","6","7","8","9","1") = "9"
    & skf18("10","10","6","7","8","10","1") = "9"
    & skf18("10","10","6","7","9","1","1") = "9"
    & skf18("10","10","6","7","9","2","1") = "9"
    & skf18("10","10","6","7","9","3","1") = "9"
    & skf18("10","10","6","7","9","4","1") = "9"
    & skf18("10","10","6","7","9","5","1") = "9"
    & skf18("10","10","6","7","9","6","1") = "9"
    & skf18("10","10","6","7","9","7","1") = "9"
    & skf18("10","10","6","7","9","8","1") = "9"
    & skf18("10","10","6","7","9","9","1") = "9"
    & skf18("10","10","6","7","9","10","1") = "9"
    & skf18("10","10","6","7","10","1","1") = "9"
    & skf18("10","10","6","7","10","2","1") = "9"
    & skf18("10","10","6","7","10","3","1") = "9"
    & skf18("10","10","6","7","10","4","1") = "9"
    & skf18("10","10","6","7","10","5","1") = "9"
    & skf18("10","10","6","7","10","6","1") = "9"
    & skf18("10","10","6","7","10","7","1") = "9"
    & skf18("10","10","6","7","10","8","1") = "9"
    & skf18("10","10","6","7","10","9","1") = "9"
    & skf18("10","10","6","7","10","10","1") = "9"
    & skf18("10","10","6","8","1","1","1") = "9"
    & skf18("10","10","6","8","1","2","1") = "9"
    & skf18("10","10","6","8","1","3","1") = "9"
    & skf18("10","10","6","8","1","4","1") = "9"
    & skf18("10","10","6","8","1","5","1") = "9"
    & skf18("10","10","6","8","1","6","1") = "9"
    & skf18("10","10","6","8","1","7","1") = "9"
    & skf18("10","10","6","8","1","8","1") = "9"
    & skf18("10","10","6","8","1","9","1") = "9"
    & skf18("10","10","6","8","1","10","1") = "9"
    & skf18("10","10","6","8","2","1","1") = "9"
    & skf18("10","10","6","8","2","2","1") = "9"
    & skf18("10","10","6","8","2","3","1") = "9"
    & skf18("10","10","6","8","2","4","1") = "9"
    & skf18("10","10","6","8","2","5","1") = "9"
    & skf18("10","10","6","8","2","6","1") = "9"
    & skf18("10","10","6","8","2","7","1") = "9"
    & skf18("10","10","6","8","2","8","1") = "9"
    & skf18("10","10","6","8","2","9","1") = "9"
    & skf18("10","10","6","8","2","10","1") = "9"
    & skf18("10","10","6","8","3","1","1") = "9"
    & skf18("10","10","6","8","3","2","1") = "9"
    & skf18("10","10","6","8","3","3","1") = "9"
    & skf18("10","10","6","8","3","4","1") = "9"
    & skf18("10","10","6","8","3","5","1") = "9"
    & skf18("10","10","6","8","3","6","1") = "9"
    & skf18("10","10","6","8","3","7","1") = "9"
    & skf18("10","10","6","8","3","8","1") = "9"
    & skf18("10","10","6","8","3","9","1") = "9"
    & skf18("10","10","6","8","3","10","1") = "9"
    & skf18("10","10","6","8","4","1","1") = "9"
    & skf18("10","10","6","8","4","2","1") = "9"
    & skf18("10","10","6","8","4","3","1") = "9"
    & skf18("10","10","6","8","4","4","1") = "9"
    & skf18("10","10","6","8","4","5","1") = "9"
    & skf18("10","10","6","8","4","6","1") = "9"
    & skf18("10","10","6","8","4","7","1") = "9"
    & skf18("10","10","6","8","4","8","1") = "9"
    & skf18("10","10","6","8","4","9","1") = "9"
    & skf18("10","10","6","8","4","10","1") = "9"
    & skf18("10","10","6","8","5","1","1") = "9"
    & skf18("10","10","6","8","5","2","1") = "9"
    & skf18("10","10","6","8","5","3","1") = "9"
    & skf18("10","10","6","8","5","4","1") = "9"
    & skf18("10","10","6","8","5","5","1") = "9"
    & skf18("10","10","6","8","5","6","1") = "9"
    & skf18("10","10","6","8","5","7","1") = "9"
    & skf18("10","10","6","8","5","8","1") = "9"
    & skf18("10","10","6","8","5","9","1") = "9"
    & skf18("10","10","6","8","5","10","1") = "9"
    & skf18("10","10","6","8","6","1","1") = "9"
    & skf18("10","10","6","8","6","2","1") = "9"
    & skf18("10","10","6","8","6","3","1") = "9"
    & skf18("10","10","6","8","6","4","1") = "9"
    & skf18("10","10","6","8","6","5","1") = "9"
    & skf18("10","10","6","8","6","6","1") = "9"
    & skf18("10","10","6","8","6","7","1") = "9"
    & skf18("10","10","6","8","6","8","1") = "9"
    & skf18("10","10","6","8","6","9","1") = "9"
    & skf18("10","10","6","8","6","10","1") = "9"
    & skf18("10","10","6","8","7","1","1") = "9"
    & skf18("10","10","6","8","7","2","1") = "9"
    & skf18("10","10","6","8","7","3","1") = "9"
    & skf18("10","10","6","8","7","4","1") = "9"
    & skf18("10","10","6","8","7","5","1") = "9"
    & skf18("10","10","6","8","7","6","1") = "9"
    & skf18("10","10","6","8","7","7","1") = "9"
    & skf18("10","10","6","8","7","8","1") = "9"
    & skf18("10","10","6","8","7","9","1") = "9"
    & skf18("10","10","6","8","7","10","1") = "9"
    & skf18("10","10","6","8","8","1","1") = "9"
    & skf18("10","10","6","8","8","2","1") = "9"
    & skf18("10","10","6","8","8","3","1") = "9"
    & skf18("10","10","6","8","8","4","1") = "9"
    & skf18("10","10","6","8","8","5","1") = "9"
    & skf18("10","10","6","8","8","6","1") = "9"
    & skf18("10","10","6","8","8","7","1") = "9"
    & skf18("10","10","6","8","8","8","1") = "9"
    & skf18("10","10","6","8","8","9","1") = "9"
    & skf18("10","10","6","8","8","10","1") = "9"
    & skf18("10","10","6","8","9","1","1") = "9"
    & skf18("10","10","6","8","9","2","1") = "9"
    & skf18("10","10","6","8","9","3","1") = "9"
    & skf18("10","10","6","8","9","4","1") = "9"
    & skf18("10","10","6","8","9","5","1") = "9"
    & skf18("10","10","6","8","9","6","1") = "9"
    & skf18("10","10","6","8","9","7","1") = "9"
    & skf18("10","10","6","8","9","8","1") = "9"
    & skf18("10","10","6","8","9","9","1") = "9"
    & skf18("10","10","6","8","9","10","1") = "9"
    & skf18("10","10","6","8","10","1","1") = "9"
    & skf18("10","10","6","8","10","2","1") = "9"
    & skf18("10","10","6","8","10","3","1") = "9"
    & skf18("10","10","6","8","10","4","1") = "9"
    & skf18("10","10","6","8","10","5","1") = "9"
    & skf18("10","10","6","8","10","6","1") = "9"
    & skf18("10","10","6","8","10","7","1") = "9"
    & skf18("10","10","6","8","10","8","1") = "9"
    & skf18("10","10","6","8","10","9","1") = "9"
    & skf18("10","10","6","8","10","10","1") = "9"
    & skf18("10","10","6","9","1","1","1") = "9"
    & skf18("10","10","6","9","1","2","1") = "9"
    & skf18("10","10","6","9","1","3","1") = "9"
    & skf18("10","10","6","9","1","4","1") = "9"
    & skf18("10","10","6","9","1","5","1") = "9"
    & skf18("10","10","6","9","1","6","1") = "9"
    & skf18("10","10","6","9","1","7","1") = "9"
    & skf18("10","10","6","9","1","8","1") = "9"
    & skf18("10","10","6","9","1","9","1") = "9"
    & skf18("10","10","6","9","1","10","1") = "9"
    & skf18("10","10","6","9","2","1","1") = "9"
    & skf18("10","10","6","9","2","2","1") = "9"
    & skf18("10","10","6","9","2","3","1") = "9"
    & skf18("10","10","6","9","2","4","1") = "9"
    & skf18("10","10","6","9","2","5","1") = "9"
    & skf18("10","10","6","9","2","6","1") = "9"
    & skf18("10","10","6","9","2","7","1") = "9"
    & skf18("10","10","6","9","2","8","1") = "9"
    & skf18("10","10","6","9","2","9","1") = "9"
    & skf18("10","10","6","9","2","10","1") = "9"
    & skf18("10","10","6","9","3","1","1") = "9"
    & skf18("10","10","6","9","3","2","1") = "9"
    & skf18("10","10","6","9","3","3","1") = "9"
    & skf18("10","10","6","9","3","4","1") = "9"
    & skf18("10","10","6","9","3","5","1") = "9"
    & skf18("10","10","6","9","3","6","1") = "9"
    & skf18("10","10","6","9","3","7","1") = "9"
    & skf18("10","10","6","9","3","8","1") = "9"
    & skf18("10","10","6","9","3","9","1") = "9"
    & skf18("10","10","6","9","3","10","1") = "9"
    & skf18("10","10","6","9","4","1","1") = "9"
    & skf18("10","10","6","9","4","2","1") = "9"
    & skf18("10","10","6","9","4","3","1") = "9"
    & skf18("10","10","6","9","4","4","1") = "9"
    & skf18("10","10","6","9","4","5","1") = "9"
    & skf18("10","10","6","9","4","6","1") = "9"
    & skf18("10","10","6","9","4","7","1") = "9"
    & skf18("10","10","6","9","4","8","1") = "9"
    & skf18("10","10","6","9","4","9","1") = "9"
    & skf18("10","10","6","9","4","10","1") = "9"
    & skf18("10","10","6","9","5","1","1") = "9"
    & skf18("10","10","6","9","5","2","1") = "9"
    & skf18("10","10","6","9","5","3","1") = "9"
    & skf18("10","10","6","9","5","4","1") = "9"
    & skf18("10","10","6","9","5","5","1") = "9"
    & skf18("10","10","6","9","5","6","1") = "9"
    & skf18("10","10","6","9","5","7","1") = "9"
    & skf18("10","10","6","9","5","8","1") = "9"
    & skf18("10","10","6","9","5","9","1") = "9"
    & skf18("10","10","6","9","5","10","1") = "9"
    & skf18("10","10","6","9","6","1","1") = "9"
    & skf18("10","10","6","9","6","2","1") = "9"
    & skf18("10","10","6","9","6","3","1") = "9"
    & skf18("10","10","6","9","6","4","1") = "9"
    & skf18("10","10","6","9","6","5","1") = "9"
    & skf18("10","10","6","9","6","6","1") = "9"
    & skf18("10","10","6","9","6","7","1") = "9"
    & skf18("10","10","6","9","6","8","1") = "9"
    & skf18("10","10","6","9","6","9","1") = "9"
    & skf18("10","10","6","9","6","10","1") = "9"
    & skf18("10","10","6","9","7","1","1") = "9"
    & skf18("10","10","6","9","7","2","1") = "9"
    & skf18("10","10","6","9","7","3","1") = "9"
    & skf18("10","10","6","9","7","4","1") = "9"
    & skf18("10","10","6","9","7","5","1") = "9"
    & skf18("10","10","6","9","7","6","1") = "9"
    & skf18("10","10","6","9","7","7","1") = "9"
    & skf18("10","10","6","9","7","8","1") = "9"
    & skf18("10","10","6","9","7","9","1") = "9"
    & skf18("10","10","6","9","7","10","1") = "9"
    & skf18("10","10","6","9","8","1","1") = "9"
    & skf18("10","10","6","9","8","2","1") = "9"
    & skf18("10","10","6","9","8","3","1") = "9"
    & skf18("10","10","6","9","8","4","1") = "9"
    & skf18("10","10","6","9","8","5","1") = "9"
    & skf18("10","10","6","9","8","6","1") = "9"
    & skf18("10","10","6","9","8","7","1") = "9"
    & skf18("10","10","6","9","8","8","1") = "9"
    & skf18("10","10","6","9","8","9","1") = "9"
    & skf18("10","10","6","9","8","10","1") = "9"
    & skf18("10","10","6","9","9","1","1") = "9"
    & skf18("10","10","6","9","9","2","1") = "9"
    & skf18("10","10","6","9","9","3","1") = "9"
    & skf18("10","10","6","9","9","4","1") = "9"
    & skf18("10","10","6","9","9","5","1") = "9"
    & skf18("10","10","6","9","9","6","1") = "9"
    & skf18("10","10","6","9","9","7","1") = "9"
    & skf18("10","10","6","9","9","8","1") = "9"
    & skf18("10","10","6","9","9","9","1") = "9"
    & skf18("10","10","6","9","9","10","1") = "9"
    & skf18("10","10","6","9","10","1","1") = "9"
    & skf18("10","10","6","9","10","2","1") = "9"
    & skf18("10","10","6","9","10","3","1") = "9"
    & skf18("10","10","6","9","10","4","1") = "9"
    & skf18("10","10","6","9","10","5","1") = "9"
    & skf18("10","10","6","9","10","6","1") = "9"
    & skf18("10","10","6","9","10","7","1") = "9"
    & skf18("10","10","6","9","10","8","1") = "9"
    & skf18("10","10","6","9","10","9","1") = "9"
    & skf18("10","10","6","9","10","10","1") = "9"
    & skf18("10","10","6","10","1","1","1") = "9"
    & skf18("10","10","6","10","1","2","1") = "9"
    & skf18("10","10","6","10","1","3","1") = "9"
    & skf18("10","10","6","10","1","4","1") = "9"
    & skf18("10","10","6","10","1","5","1") = "9"
    & skf18("10","10","6","10","1","6","1") = "9"
    & skf18("10","10","6","10","1","7","1") = "9"
    & skf18("10","10","6","10","1","8","1") = "9"
    & skf18("10","10","6","10","1","9","1") = "9"
    & skf18("10","10","6","10","1","10","1") = "9"
    & skf18("10","10","6","10","2","1","1") = "9"
    & skf18("10","10","6","10","2","2","1") = "9"
    & skf18("10","10","6","10","2","3","1") = "9"
    & skf18("10","10","6","10","2","4","1") = "9"
    & skf18("10","10","6","10","2","5","1") = "9"
    & skf18("10","10","6","10","2","6","1") = "9"
    & skf18("10","10","6","10","2","7","1") = "9"
    & skf18("10","10","6","10","2","8","1") = "9"
    & skf18("10","10","6","10","2","9","1") = "9"
    & skf18("10","10","6","10","2","10","1") = "9"
    & skf18("10","10","6","10","3","1","1") = "9"
    & skf18("10","10","6","10","3","2","1") = "9"
    & skf18("10","10","6","10","3","3","1") = "9"
    & skf18("10","10","6","10","3","4","1") = "9"
    & skf18("10","10","6","10","3","5","1") = "9"
    & skf18("10","10","6","10","3","6","1") = "9"
    & skf18("10","10","6","10","3","7","1") = "9"
    & skf18("10","10","6","10","3","8","1") = "9"
    & skf18("10","10","6","10","3","9","1") = "9"
    & skf18("10","10","6","10","3","10","1") = "9"
    & skf18("10","10","6","10","4","1","1") = "9"
    & skf18("10","10","6","10","4","2","1") = "9"
    & skf18("10","10","6","10","4","3","1") = "9"
    & skf18("10","10","6","10","4","4","1") = "9"
    & skf18("10","10","6","10","4","5","1") = "9"
    & skf18("10","10","6","10","4","6","1") = "9"
    & skf18("10","10","6","10","4","7","1") = "9"
    & skf18("10","10","6","10","4","8","1") = "9"
    & skf18("10","10","6","10","4","9","1") = "9"
    & skf18("10","10","6","10","4","10","1") = "9"
    & skf18("10","10","6","10","5","1","1") = "9"
    & skf18("10","10","6","10","5","2","1") = "9"
    & skf18("10","10","6","10","5","3","1") = "9"
    & skf18("10","10","6","10","5","4","1") = "9"
    & skf18("10","10","6","10","5","5","1") = "9"
    & skf18("10","10","6","10","5","6","1") = "9"
    & skf18("10","10","6","10","5","7","1") = "9"
    & skf18("10","10","6","10","5","8","1") = "9"
    & skf18("10","10","6","10","5","9","1") = "9"
    & skf18("10","10","6","10","5","10","1") = "9"
    & skf18("10","10","6","10","6","1","1") = "9"
    & skf18("10","10","6","10","6","2","1") = "9"
    & skf18("10","10","6","10","6","3","1") = "9"
    & skf18("10","10","6","10","6","4","1") = "9"
    & skf18("10","10","6","10","6","5","1") = "9"
    & skf18("10","10","6","10","6","6","1") = "9"
    & skf18("10","10","6","10","6","7","1") = "9"
    & skf18("10","10","6","10","6","8","1") = "9"
    & skf18("10","10","6","10","6","9","1") = "9"
    & skf18("10","10","6","10","6","10","1") = "9"
    & skf18("10","10","6","10","7","1","1") = "9"
    & skf18("10","10","6","10","7","2","1") = "9"
    & skf18("10","10","6","10","7","3","1") = "9"
    & skf18("10","10","6","10","7","4","1") = "9"
    & skf18("10","10","6","10","7","5","1") = "9"
    & skf18("10","10","6","10","7","6","1") = "9"
    & skf18("10","10","6","10","7","7","1") = "9"
    & skf18("10","10","6","10","7","8","1") = "9"
    & skf18("10","10","6","10","7","9","1") = "9"
    & skf18("10","10","6","10","7","10","1") = "9"
    & skf18("10","10","6","10","8","1","1") = "9"
    & skf18("10","10","6","10","8","2","1") = "9"
    & skf18("10","10","6","10","8","3","1") = "9"
    & skf18("10","10","6","10","8","4","1") = "9"
    & skf18("10","10","6","10","8","5","1") = "9"
    & skf18("10","10","6","10","8","6","1") = "9"
    & skf18("10","10","6","10","8","7","1") = "9"
    & skf18("10","10","6","10","8","8","1") = "9"
    & skf18("10","10","6","10","8","9","1") = "9"
    & skf18("10","10","6","10","8","10","1") = "9"
    & skf18("10","10","6","10","9","1","1") = "9"
    & skf18("10","10","6","10","9","2","1") = "9"
    & skf18("10","10","6","10","9","3","1") = "9"
    & skf18("10","10","6","10","9","4","1") = "9"
    & skf18("10","10","6","10","9","5","1") = "9"
    & skf18("10","10","6","10","9","6","1") = "9"
    & skf18("10","10","6","10","9","7","1") = "9"
    & skf18("10","10","6","10","9","8","1") = "9"
    & skf18("10","10","6","10","9","9","1") = "9"
    & skf18("10","10","6","10","9","10","1") = "9"
    & skf18("10","10","6","10","10","1","1") = "9"
    & skf18("10","10","6","10","10","2","1") = "9"
    & skf18("10","10","6","10","10","3","1") = "9"
    & skf18("10","10","6","10","10","4","1") = "9"
    & skf18("10","10","6","10","10","5","1") = "9"
    & skf18("10","10","6","10","10","6","1") = "9"
    & skf18("10","10","6","10","10","7","1") = "9"
    & skf18("10","10","6","10","10","8","1") = "9"
    & skf18("10","10","6","10","10","9","1") = "9"
    & skf18("10","10","6","10","10","10","1") = "9"
    & skf18("10","10","7","1","1","1","1") = "9"
    & skf18("10","10","7","1","1","2","1") = "9"
    & skf18("10","10","7","1","1","3","1") = "9"
    & skf18("10","10","7","1","1","4","1") = "9"
    & skf18("10","10","7","1","1","5","1") = "9"
    & skf18("10","10","7","1","1","6","1") = "9"
    & skf18("10","10","7","1","1","7","1") = "9"
    & skf18("10","10","7","1","1","8","1") = "9"
    & skf18("10","10","7","1","1","9","1") = "9"
    & skf18("10","10","7","1","1","10","1") = "9"
    & skf18("10","10","7","1","2","1","1") = "9"
    & skf18("10","10","7","1","2","2","1") = "9"
    & skf18("10","10","7","1","2","3","1") = "9"
    & skf18("10","10","7","1","2","4","1") = "9"
    & skf18("10","10","7","1","2","5","1") = "9"
    & skf18("10","10","7","1","2","6","1") = "9"
    & skf18("10","10","7","1","2","7","1") = "9"
    & skf18("10","10","7","1","2","8","1") = "9"
    & skf18("10","10","7","1","2","9","1") = "9"
    & skf18("10","10","7","1","2","10","1") = "9"
    & skf18("10","10","7","1","3","1","1") = "9"
    & skf18("10","10","7","1","3","2","1") = "9"
    & skf18("10","10","7","1","3","3","1") = "9"
    & skf18("10","10","7","1","3","4","1") = "9"
    & skf18("10","10","7","1","3","5","1") = "9"
    & skf18("10","10","7","1","3","6","1") = "9"
    & skf18("10","10","7","1","3","7","1") = "9"
    & skf18("10","10","7","1","3","8","1") = "9"
    & skf18("10","10","7","1","3","9","1") = "9"
    & skf18("10","10","7","1","3","10","1") = "9"
    & skf18("10","10","7","1","4","1","1") = "9"
    & skf18("10","10","7","1","4","2","1") = "9"
    & skf18("10","10","7","1","4","3","1") = "9"
    & skf18("10","10","7","1","4","4","1") = "9"
    & skf18("10","10","7","1","4","5","1") = "9"
    & skf18("10","10","7","1","4","6","1") = "9"
    & skf18("10","10","7","1","4","7","1") = "9"
    & skf18("10","10","7","1","4","8","1") = "9"
    & skf18("10","10","7","1","4","9","1") = "9"
    & skf18("10","10","7","1","4","10","1") = "9"
    & skf18("10","10","7","1","5","1","1") = "9"
    & skf18("10","10","7","1","5","2","1") = "9"
    & skf18("10","10","7","1","5","3","1") = "9"
    & skf18("10","10","7","1","5","4","1") = "9"
    & skf18("10","10","7","1","5","5","1") = "9"
    & skf18("10","10","7","1","5","6","1") = "9"
    & skf18("10","10","7","1","5","7","1") = "9"
    & skf18("10","10","7","1","5","8","1") = "9"
    & skf18("10","10","7","1","5","9","1") = "9"
    & skf18("10","10","7","1","5","10","1") = "9"
    & skf18("10","10","7","1","6","1","1") = "9"
    & skf18("10","10","7","1","6","2","1") = "9"
    & skf18("10","10","7","1","6","3","1") = "9"
    & skf18("10","10","7","1","6","4","1") = "9"
    & skf18("10","10","7","1","6","5","1") = "9"
    & skf18("10","10","7","1","6","6","1") = "9"
    & skf18("10","10","7","1","6","7","1") = "9"
    & skf18("10","10","7","1","6","8","1") = "9"
    & skf18("10","10","7","1","6","9","1") = "9"
    & skf18("10","10","7","1","6","10","1") = "9"
    & skf18("10","10","7","1","7","1","1") = "9"
    & skf18("10","10","7","1","7","2","1") = "9"
    & skf18("10","10","7","1","7","3","1") = "9"
    & skf18("10","10","7","1","7","4","1") = "9"
    & skf18("10","10","7","1","7","5","1") = "9"
    & skf18("10","10","7","1","7","6","1") = "9"
    & skf18("10","10","7","1","7","7","1") = "9"
    & skf18("10","10","7","1","7","8","1") = "9"
    & skf18("10","10","7","1","7","9","1") = "9"
    & skf18("10","10","7","1","7","10","1") = "9"
    & skf18("10","10","7","1","8","1","1") = "9"
    & skf18("10","10","7","1","8","2","1") = "9"
    & skf18("10","10","7","1","8","3","1") = "9"
    & skf18("10","10","7","1","8","4","1") = "9"
    & skf18("10","10","7","1","8","5","1") = "9"
    & skf18("10","10","7","1","8","6","1") = "9"
    & skf18("10","10","7","1","8","7","1") = "9"
    & skf18("10","10","7","1","8","8","1") = "9"
    & skf18("10","10","7","1","8","9","1") = "9"
    & skf18("10","10","7","1","8","10","1") = "9"
    & skf18("10","10","7","1","9","1","1") = "9"
    & skf18("10","10","7","1","9","2","1") = "9"
    & skf18("10","10","7","1","9","3","1") = "9"
    & skf18("10","10","7","1","9","4","1") = "9"
    & skf18("10","10","7","1","9","5","1") = "9"
    & skf18("10","10","7","1","9","6","1") = "9"
    & skf18("10","10","7","1","9","7","1") = "9"
    & skf18("10","10","7","1","9","8","1") = "9"
    & skf18("10","10","7","1","9","9","1") = "9"
    & skf18("10","10","7","1","9","10","1") = "9"
    & skf18("10","10","7","1","10","1","1") = "9"
    & skf18("10","10","7","1","10","2","1") = "9"
    & skf18("10","10","7","1","10","3","1") = "9"
    & skf18("10","10","7","1","10","4","1") = "9"
    & skf18("10","10","7","1","10","5","1") = "9"
    & skf18("10","10","7","1","10","6","1") = "9"
    & skf18("10","10","7","1","10","7","1") = "9"
    & skf18("10","10","7","1","10","8","1") = "9"
    & skf18("10","10","7","1","10","9","1") = "9"
    & skf18("10","10","7","1","10","10","1") = "9"
    & skf18("10","10","7","2","1","1","1") = "9"
    & skf18("10","10","7","2","1","2","1") = "9"
    & skf18("10","10","7","2","1","3","1") = "9"
    & skf18("10","10","7","2","1","4","1") = "9"
    & skf18("10","10","7","2","1","5","1") = "9"
    & skf18("10","10","7","2","1","6","1") = "9"
    & skf18("10","10","7","2","1","7","1") = "9"
    & skf18("10","10","7","2","1","8","1") = "9"
    & skf18("10","10","7","2","1","9","1") = "9"
    & skf18("10","10","7","2","1","10","1") = "9"
    & skf18("10","10","7","2","2","1","1") = "9"
    & skf18("10","10","7","2","2","2","1") = "9"
    & skf18("10","10","7","2","2","3","1") = "9"
    & skf18("10","10","7","2","2","4","1") = "9"
    & skf18("10","10","7","2","2","5","1") = "9"
    & skf18("10","10","7","2","2","6","1") = "9"
    & skf18("10","10","7","2","2","7","1") = "9"
    & skf18("10","10","7","2","2","8","1") = "9"
    & skf18("10","10","7","2","2","9","1") = "9"
    & skf18("10","10","7","2","2","10","1") = "9"
    & skf18("10","10","7","2","3","1","1") = "9"
    & skf18("10","10","7","2","3","2","1") = "9"
    & skf18("10","10","7","2","3","3","1") = "9"
    & skf18("10","10","7","2","3","4","1") = "9"
    & skf18("10","10","7","2","3","5","1") = "9"
    & skf18("10","10","7","2","3","6","1") = "9"
    & skf18("10","10","7","2","3","7","1") = "9"
    & skf18("10","10","7","2","3","8","1") = "9"
    & skf18("10","10","7","2","3","9","1") = "9"
    & skf18("10","10","7","2","3","10","1") = "9"
    & skf18("10","10","7","2","4","1","1") = "9"
    & skf18("10","10","7","2","4","2","1") = "9"
    & skf18("10","10","7","2","4","3","1") = "9"
    & skf18("10","10","7","2","4","4","1") = "9"
    & skf18("10","10","7","2","4","5","1") = "9"
    & skf18("10","10","7","2","4","6","1") = "9"
    & skf18("10","10","7","2","4","7","1") = "9"
    & skf18("10","10","7","2","4","8","1") = "9"
    & skf18("10","10","7","2","4","9","1") = "9"
    & skf18("10","10","7","2","4","10","1") = "9"
    & skf18("10","10","7","2","5","1","1") = "9"
    & skf18("10","10","7","2","5","2","1") = "9"
    & skf18("10","10","7","2","5","3","1") = "9"
    & skf18("10","10","7","2","5","4","1") = "9"
    & skf18("10","10","7","2","5","5","1") = "9"
    & skf18("10","10","7","2","5","6","1") = "9"
    & skf18("10","10","7","2","5","7","1") = "9"
    & skf18("10","10","7","2","5","8","1") = "9"
    & skf18("10","10","7","2","5","9","1") = "9"
    & skf18("10","10","7","2","5","10","1") = "9"
    & skf18("10","10","7","2","6","1","1") = "9"
    & skf18("10","10","7","2","6","2","1") = "9"
    & skf18("10","10","7","2","6","3","1") = "9"
    & skf18("10","10","7","2","6","4","1") = "9"
    & skf18("10","10","7","2","6","5","1") = "9"
    & skf18("10","10","7","2","6","6","1") = "9"
    & skf18("10","10","7","2","6","7","1") = "9"
    & skf18("10","10","7","2","6","8","1") = "9"
    & skf18("10","10","7","2","6","9","1") = "9"
    & skf18("10","10","7","2","6","10","1") = "9"
    & skf18("10","10","7","2","7","1","1") = "9"
    & skf18("10","10","7","2","7","2","1") = "9"
    & skf18("10","10","7","2","7","3","1") = "9"
    & skf18("10","10","7","2","7","4","1") = "9"
    & skf18("10","10","7","2","7","5","1") = "9"
    & skf18("10","10","7","2","7","6","1") = "9"
    & skf18("10","10","7","2","7","7","1") = "9"
    & skf18("10","10","7","2","7","8","1") = "9"
    & skf18("10","10","7","2","7","9","1") = "9"
    & skf18("10","10","7","2","7","10","1") = "9"
    & skf18("10","10","7","2","8","1","1") = "9"
    & skf18("10","10","7","2","8","2","1") = "9"
    & skf18("10","10","7","2","8","3","1") = "9"
    & skf18("10","10","7","2","8","4","1") = "9"
    & skf18("10","10","7","2","8","5","1") = "9"
    & skf18("10","10","7","2","8","6","1") = "9"
    & skf18("10","10","7","2","8","7","1") = "9"
    & skf18("10","10","7","2","8","8","1") = "9"
    & skf18("10","10","7","2","8","9","1") = "9"
    & skf18("10","10","7","2","8","10","1") = "9"
    & skf18("10","10","7","2","9","1","1") = "9"
    & skf18("10","10","7","2","9","2","1") = "9"
    & skf18("10","10","7","2","9","3","1") = "9"
    & skf18("10","10","7","2","9","4","1") = "9"
    & skf18("10","10","7","2","9","5","1") = "9"
    & skf18("10","10","7","2","9","6","1") = "9"
    & skf18("10","10","7","2","9","7","1") = "9"
    & skf18("10","10","7","2","9","8","1") = "9"
    & skf18("10","10","7","2","9","9","1") = "9"
    & skf18("10","10","7","2","9","10","1") = "9"
    & skf18("10","10","7","2","10","1","1") = "9"
    & skf18("10","10","7","2","10","2","1") = "9"
    & skf18("10","10","7","2","10","3","1") = "9"
    & skf18("10","10","7","2","10","4","1") = "9"
    & skf18("10","10","7","2","10","5","1") = "9"
    & skf18("10","10","7","2","10","6","1") = "9"
    & skf18("10","10","7","2","10","7","1") = "9"
    & skf18("10","10","7","2","10","8","1") = "9"
    & skf18("10","10","7","2","10","9","1") = "9"
    & skf18("10","10","7","2","10","10","1") = "9"
    & skf18("10","10","7","3","1","1","1") = "9"
    & skf18("10","10","7","3","1","2","1") = "9"
    & skf18("10","10","7","3","1","3","1") = "9"
    & skf18("10","10","7","3","1","4","1") = "9"
    & skf18("10","10","7","3","1","5","1") = "9"
    & skf18("10","10","7","3","1","6","1") = "9"
    & skf18("10","10","7","3","1","7","1") = "9"
    & skf18("10","10","7","3","1","8","1") = "9"
    & skf18("10","10","7","3","1","9","1") = "9"
    & skf18("10","10","7","3","1","10","1") = "9"
    & skf18("10","10","7","3","2","1","1") = "9"
    & skf18("10","10","7","3","2","2","1") = "9"
    & skf18("10","10","7","3","2","3","1") = "9"
    & skf18("10","10","7","3","2","4","1") = "9"
    & skf18("10","10","7","3","2","5","1") = "9"
    & skf18("10","10","7","3","2","6","1") = "9"
    & skf18("10","10","7","3","2","7","1") = "9"
    & skf18("10","10","7","3","2","8","1") = "9"
    & skf18("10","10","7","3","2","9","1") = "9"
    & skf18("10","10","7","3","2","10","1") = "9"
    & skf18("10","10","7","3","3","1","1") = "9"
    & skf18("10","10","7","3","3","2","1") = "9"
    & skf18("10","10","7","3","3","3","1") = "9"
    & skf18("10","10","7","3","3","4","1") = "9"
    & skf18("10","10","7","3","3","5","1") = "9"
    & skf18("10","10","7","3","3","6","1") = "9"
    & skf18("10","10","7","3","3","7","1") = "9"
    & skf18("10","10","7","3","3","8","1") = "9"
    & skf18("10","10","7","3","3","9","1") = "9"
    & skf18("10","10","7","3","3","10","1") = "9"
    & skf18("10","10","7","3","4","1","1") = "9"
    & skf18("10","10","7","3","4","2","1") = "9"
    & skf18("10","10","7","3","4","3","1") = "9"
    & skf18("10","10","7","3","4","4","1") = "9"
    & skf18("10","10","7","3","4","5","1") = "9"
    & skf18("10","10","7","3","4","6","1") = "9"
    & skf18("10","10","7","3","4","7","1") = "9"
    & skf18("10","10","7","3","4","8","1") = "9"
    & skf18("10","10","7","3","4","9","1") = "9"
    & skf18("10","10","7","3","4","10","1") = "9"
    & skf18("10","10","7","3","5","1","1") = "9"
    & skf18("10","10","7","3","5","2","1") = "9"
    & skf18("10","10","7","3","5","3","1") = "9"
    & skf18("10","10","7","3","5","4","1") = "9"
    & skf18("10","10","7","3","5","5","1") = "9"
    & skf18("10","10","7","3","5","6","1") = "9"
    & skf18("10","10","7","3","5","7","1") = "9"
    & skf18("10","10","7","3","5","8","1") = "9"
    & skf18("10","10","7","3","5","9","1") = "9"
    & skf18("10","10","7","3","5","10","1") = "9"
    & skf18("10","10","7","3","6","1","1") = "9"
    & skf18("10","10","7","3","6","2","1") = "9"
    & skf18("10","10","7","3","6","3","1") = "9"
    & skf18("10","10","7","3","6","4","1") = "9"
    & skf18("10","10","7","3","6","5","1") = "9"
    & skf18("10","10","7","3","6","6","1") = "9"
    & skf18("10","10","7","3","6","7","1") = "9"
    & skf18("10","10","7","3","6","8","1") = "9"
    & skf18("10","10","7","3","6","9","1") = "9"
    & skf18("10","10","7","3","6","10","1") = "9"
    & skf18("10","10","7","3","7","1","1") = "9"
    & skf18("10","10","7","3","7","2","1") = "9"
    & skf18("10","10","7","3","7","3","1") = "9"
    & skf18("10","10","7","3","7","4","1") = "9"
    & skf18("10","10","7","3","7","5","1") = "9"
    & skf18("10","10","7","3","7","6","1") = "9"
    & skf18("10","10","7","3","7","7","1") = "9"
    & skf18("10","10","7","3","7","8","1") = "9"
    & skf18("10","10","7","3","7","9","1") = "9"
    & skf18("10","10","7","3","7","10","1") = "9"
    & skf18("10","10","7","3","8","1","1") = "9"
    & skf18("10","10","7","3","8","2","1") = "9"
    & skf18("10","10","7","3","8","3","1") = "9"
    & skf18("10","10","7","3","8","4","1") = "9"
    & skf18("10","10","7","3","8","5","1") = "9"
    & skf18("10","10","7","3","8","6","1") = "9"
    & skf18("10","10","7","3","8","7","1") = "9"
    & skf18("10","10","7","3","8","8","1") = "9"
    & skf18("10","10","7","3","8","9","1") = "9"
    & skf18("10","10","7","3","8","10","1") = "9"
    & skf18("10","10","7","3","9","1","1") = "9"
    & skf18("10","10","7","3","9","2","1") = "9"
    & skf18("10","10","7","3","9","3","1") = "9"
    & skf18("10","10","7","3","9","4","1") = "9"
    & skf18("10","10","7","3","9","5","1") = "9"
    & skf18("10","10","7","3","9","6","1") = "9"
    & skf18("10","10","7","3","9","7","1") = "9"
    & skf18("10","10","7","3","9","8","1") = "9"
    & skf18("10","10","7","3","9","9","1") = "9"
    & skf18("10","10","7","3","9","10","1") = "9"
    & skf18("10","10","7","3","10","1","1") = "9"
    & skf18("10","10","7","3","10","2","1") = "9"
    & skf18("10","10","7","3","10","3","1") = "9"
    & skf18("10","10","7","3","10","4","1") = "9"
    & skf18("10","10","7","3","10","5","1") = "9"
    & skf18("10","10","7","3","10","6","1") = "9"
    & skf18("10","10","7","3","10","7","1") = "9"
    & skf18("10","10","7","3","10","8","1") = "9"
    & skf18("10","10","7","3","10","9","1") = "9"
    & skf18("10","10","7","3","10","10","1") = "9"
    & skf18("10","10","7","4","1","1","1") = "9"
    & skf18("10","10","7","4","1","2","1") = "9"
    & skf18("10","10","7","4","1","3","1") = "9"
    & skf18("10","10","7","4","1","4","1") = "9"
    & skf18("10","10","7","4","1","5","1") = "9"
    & skf18("10","10","7","4","1","6","1") = "9"
    & skf18("10","10","7","4","1","7","1") = "9"
    & skf18("10","10","7","4","1","8","1") = "9"
    & skf18("10","10","7","4","1","9","1") = "9"
    & skf18("10","10","7","4","1","10","1") = "9"
    & skf18("10","10","7","4","2","1","1") = "9"
    & skf18("10","10","7","4","2","2","1") = "9"
    & skf18("10","10","7","4","2","3","1") = "9"
    & skf18("10","10","7","4","2","4","1") = "9"
    & skf18("10","10","7","4","2","5","1") = "9"
    & skf18("10","10","7","4","2","6","1") = "9"
    & skf18("10","10","7","4","2","7","1") = "9"
    & skf18("10","10","7","4","2","8","1") = "9"
    & skf18("10","10","7","4","2","9","1") = "9"
    & skf18("10","10","7","4","2","10","1") = "9"
    & skf18("10","10","7","4","3","1","1") = "9"
    & skf18("10","10","7","4","3","2","1") = "9"
    & skf18("10","10","7","4","3","3","1") = "9"
    & skf18("10","10","7","4","3","4","1") = "9"
    & skf18("10","10","7","4","3","5","1") = "9"
    & skf18("10","10","7","4","3","6","1") = "9"
    & skf18("10","10","7","4","3","7","1") = "9"
    & skf18("10","10","7","4","3","8","1") = "9"
    & skf18("10","10","7","4","3","9","1") = "9"
    & skf18("10","10","7","4","3","10","1") = "9"
    & skf18("10","10","7","4","4","1","1") = "9"
    & skf18("10","10","7","4","4","2","1") = "9"
    & skf18("10","10","7","4","4","3","1") = "9"
    & skf18("10","10","7","4","4","4","1") = "9"
    & skf18("10","10","7","4","4","5","1") = "9"
    & skf18("10","10","7","4","4","6","1") = "9"
    & skf18("10","10","7","4","4","7","1") = "9"
    & skf18("10","10","7","4","4","8","1") = "9"
    & skf18("10","10","7","4","4","9","1") = "9"
    & skf18("10","10","7","4","4","10","1") = "9"
    & skf18("10","10","7","4","5","1","1") = "9"
    & skf18("10","10","7","4","5","2","1") = "9"
    & skf18("10","10","7","4","5","3","1") = "9"
    & skf18("10","10","7","4","5","4","1") = "9"
    & skf18("10","10","7","4","5","5","1") = "9"
    & skf18("10","10","7","4","5","6","1") = "9"
    & skf18("10","10","7","4","5","7","1") = "9"
    & skf18("10","10","7","4","5","8","1") = "9"
    & skf18("10","10","7","4","5","9","1") = "9"
    & skf18("10","10","7","4","5","10","1") = "9"
    & skf18("10","10","7","4","6","1","1") = "9"
    & skf18("10","10","7","4","6","2","1") = "9"
    & skf18("10","10","7","4","6","3","1") = "9"
    & skf18("10","10","7","4","6","4","1") = "9"
    & skf18("10","10","7","4","6","5","1") = "9"
    & skf18("10","10","7","4","6","6","1") = "9"
    & skf18("10","10","7","4","6","7","1") = "9"
    & skf18("10","10","7","4","6","8","1") = "9"
    & skf18("10","10","7","4","6","9","1") = "9"
    & skf18("10","10","7","4","6","10","1") = "9"
    & skf18("10","10","7","4","7","1","1") = "9"
    & skf18("10","10","7","4","7","2","1") = "9"
    & skf18("10","10","7","4","7","3","1") = "9"
    & skf18("10","10","7","4","7","4","1") = "9"
    & skf18("10","10","7","4","7","5","1") = "9"
    & skf18("10","10","7","4","7","6","1") = "9"
    & skf18("10","10","7","4","7","7","1") = "9"
    & skf18("10","10","7","4","7","8","1") = "9"
    & skf18("10","10","7","4","7","9","1") = "9"
    & skf18("10","10","7","4","7","10","1") = "9"
    & skf18("10","10","7","4","8","1","1") = "9"
    & skf18("10","10","7","4","8","2","1") = "9"
    & skf18("10","10","7","4","8","3","1") = "9"
    & skf18("10","10","7","4","8","4","1") = "9"
    & skf18("10","10","7","4","8","5","1") = "9"
    & skf18("10","10","7","4","8","6","1") = "9"
    & skf18("10","10","7","4","8","7","1") = "9"
    & skf18("10","10","7","4","8","8","1") = "9"
    & skf18("10","10","7","4","8","9","1") = "9"
    & skf18("10","10","7","4","8","10","1") = "9"
    & skf18("10","10","7","4","9","1","1") = "9"
    & skf18("10","10","7","4","9","2","1") = "9"
    & skf18("10","10","7","4","9","3","1") = "9"
    & skf18("10","10","7","4","9","4","1") = "9"
    & skf18("10","10","7","4","9","5","1") = "9"
    & skf18("10","10","7","4","9","6","1") = "9"
    & skf18("10","10","7","4","9","7","1") = "9"
    & skf18("10","10","7","4","9","8","1") = "9"
    & skf18("10","10","7","4","9","9","1") = "9"
    & skf18("10","10","7","4","9","10","1") = "9"
    & skf18("10","10","7","4","10","1","1") = "9"
    & skf18("10","10","7","4","10","2","1") = "9"
    & skf18("10","10","7","4","10","3","1") = "9"
    & skf18("10","10","7","4","10","4","1") = "9"
    & skf18("10","10","7","4","10","5","1") = "9"
    & skf18("10","10","7","4","10","6","1") = "9"
    & skf18("10","10","7","4","10","7","1") = "9"
    & skf18("10","10","7","4","10","8","1") = "9"
    & skf18("10","10","7","4","10","9","1") = "9"
    & skf18("10","10","7","4","10","10","1") = "9"
    & skf18("10","10","7","5","1","1","1") = "9"
    & skf18("10","10","7","5","1","2","1") = "9"
    & skf18("10","10","7","5","1","3","1") = "9"
    & skf18("10","10","7","5","1","4","1") = "9"
    & skf18("10","10","7","5","1","5","1") = "9"
    & skf18("10","10","7","5","1","6","1") = "9"
    & skf18("10","10","7","5","1","7","1") = "9"
    & skf18("10","10","7","5","1","8","1") = "9"
    & skf18("10","10","7","5","1","9","1") = "9"
    & skf18("10","10","7","5","1","10","1") = "9"
    & skf18("10","10","7","5","2","1","1") = "9"
    & skf18("10","10","7","5","2","2","1") = "9"
    & skf18("10","10","7","5","2","3","1") = "9"
    & skf18("10","10","7","5","2","4","1") = "9"
    & skf18("10","10","7","5","2","5","1") = "9"
    & skf18("10","10","7","5","2","6","1") = "9"
    & skf18("10","10","7","5","2","7","1") = "9"
    & skf18("10","10","7","5","2","8","1") = "9"
    & skf18("10","10","7","5","2","9","1") = "9"
    & skf18("10","10","7","5","2","10","1") = "9"
    & skf18("10","10","7","5","3","1","1") = "9"
    & skf18("10","10","7","5","3","2","1") = "9"
    & skf18("10","10","7","5","3","3","1") = "9"
    & skf18("10","10","7","5","3","4","1") = "9"
    & skf18("10","10","7","5","3","5","1") = "9"
    & skf18("10","10","7","5","3","6","1") = "9"
    & skf18("10","10","7","5","3","7","1") = "9"
    & skf18("10","10","7","5","3","8","1") = "9"
    & skf18("10","10","7","5","3","9","1") = "9"
    & skf18("10","10","7","5","3","10","1") = "9"
    & skf18("10","10","7","5","4","1","1") = "9"
    & skf18("10","10","7","5","4","2","1") = "9"
    & skf18("10","10","7","5","4","3","1") = "9"
    & skf18("10","10","7","5","4","4","1") = "9"
    & skf18("10","10","7","5","4","5","1") = "9"
    & skf18("10","10","7","5","4","6","1") = "9"
    & skf18("10","10","7","5","4","7","1") = "9"
    & skf18("10","10","7","5","4","8","1") = "9"
    & skf18("10","10","7","5","4","9","1") = "9"
    & skf18("10","10","7","5","4","10","1") = "9"
    & skf18("10","10","7","5","5","1","1") = "9"
    & skf18("10","10","7","5","5","2","1") = "9"
    & skf18("10","10","7","5","5","3","1") = "9"
    & skf18("10","10","7","5","5","4","1") = "9"
    & skf18("10","10","7","5","5","5","1") = "9"
    & skf18("10","10","7","5","5","6","1") = "9"
    & skf18("10","10","7","5","5","7","1") = "9"
    & skf18("10","10","7","5","5","8","1") = "9"
    & skf18("10","10","7","5","5","9","1") = "9"
    & skf18("10","10","7","5","5","10","1") = "9"
    & skf18("10","10","7","5","6","1","1") = "9"
    & skf18("10","10","7","5","6","2","1") = "9"
    & skf18("10","10","7","5","6","3","1") = "9"
    & skf18("10","10","7","5","6","4","1") = "9"
    & skf18("10","10","7","5","6","5","1") = "9"
    & skf18("10","10","7","5","6","6","1") = "9"
    & skf18("10","10","7","5","6","7","1") = "9"
    & skf18("10","10","7","5","6","8","1") = "9"
    & skf18("10","10","7","5","6","9","1") = "9"
    & skf18("10","10","7","5","6","10","1") = "9"
    & skf18("10","10","7","5","7","1","1") = "9"
    & skf18("10","10","7","5","7","2","1") = "9"
    & skf18("10","10","7","5","7","3","1") = "9"
    & skf18("10","10","7","5","7","4","1") = "9"
    & skf18("10","10","7","5","7","5","1") = "9"
    & skf18("10","10","7","5","7","6","1") = "9"
    & skf18("10","10","7","5","7","7","1") = "9"
    & skf18("10","10","7","5","7","8","1") = "9"
    & skf18("10","10","7","5","7","9","1") = "9"
    & skf18("10","10","7","5","7","10","1") = "9"
    & skf18("10","10","7","5","8","1","1") = "9"
    & skf18("10","10","7","5","8","2","1") = "9"
    & skf18("10","10","7","5","8","3","1") = "9"
    & skf18("10","10","7","5","8","4","1") = "9"
    & skf18("10","10","7","5","8","5","1") = "9"
    & skf18("10","10","7","5","8","6","1") = "9"
    & skf18("10","10","7","5","8","7","1") = "9"
    & skf18("10","10","7","5","8","8","1") = "9"
    & skf18("10","10","7","5","8","9","1") = "9"
    & skf18("10","10","7","5","8","10","1") = "9"
    & skf18("10","10","7","5","9","1","1") = "9"
    & skf18("10","10","7","5","9","2","1") = "9"
    & skf18("10","10","7","5","9","3","1") = "9"
    & skf18("10","10","7","5","9","4","1") = "9"
    & skf18("10","10","7","5","9","5","1") = "9"
    & skf18("10","10","7","5","9","6","1") = "9"
    & skf18("10","10","7","5","9","7","1") = "9"
    & skf18("10","10","7","5","9","8","1") = "9"
    & skf18("10","10","7","5","9","9","1") = "9"
    & skf18("10","10","7","5","9","10","1") = "9"
    & skf18("10","10","7","5","10","1","1") = "9"
    & skf18("10","10","7","5","10","2","1") = "9"
    & skf18("10","10","7","5","10","3","1") = "9"
    & skf18("10","10","7","5","10","4","1") = "9"
    & skf18("10","10","7","5","10","5","1") = "9"
    & skf18("10","10","7","5","10","6","1") = "9"
    & skf18("10","10","7","5","10","7","1") = "9"
    & skf18("10","10","7","5","10","8","1") = "9"
    & skf18("10","10","7","5","10","9","1") = "9"
    & skf18("10","10","7","5","10","10","1") = "9"
    & skf18("10","10","7","6","1","1","1") = "9"
    & skf18("10","10","7","6","1","2","1") = "9"
    & skf18("10","10","7","6","1","3","1") = "9"
    & skf18("10","10","7","6","1","4","1") = "9"
    & skf18("10","10","7","6","1","5","1") = "9"
    & skf18("10","10","7","6","1","6","1") = "9"
    & skf18("10","10","7","6","1","7","1") = "9"
    & skf18("10","10","7","6","1","8","1") = "9"
    & skf18("10","10","7","6","1","9","1") = "9"
    & skf18("10","10","7","6","1","10","1") = "9"
    & skf18("10","10","7","6","2","1","1") = "9"
    & skf18("10","10","7","6","2","2","1") = "9"
    & skf18("10","10","7","6","2","3","1") = "9"
    & skf18("10","10","7","6","2","4","1") = "9"
    & skf18("10","10","7","6","2","5","1") = "9"
    & skf18("10","10","7","6","2","6","1") = "9"
    & skf18("10","10","7","6","2","7","1") = "9"
    & skf18("10","10","7","6","2","8","1") = "9"
    & skf18("10","10","7","6","2","9","1") = "9"
    & skf18("10","10","7","6","2","10","1") = "9"
    & skf18("10","10","7","6","3","1","1") = "9"
    & skf18("10","10","7","6","3","2","1") = "9"
    & skf18("10","10","7","6","3","3","1") = "9"
    & skf18("10","10","7","6","3","4","1") = "9"
    & skf18("10","10","7","6","3","5","1") = "9"
    & skf18("10","10","7","6","3","6","1") = "9"
    & skf18("10","10","7","6","3","7","1") = "9"
    & skf18("10","10","7","6","3","8","1") = "9"
    & skf18("10","10","7","6","3","9","1") = "9"
    & skf18("10","10","7","6","3","10","1") = "9"
    & skf18("10","10","7","6","4","1","1") = "9"
    & skf18("10","10","7","6","4","2","1") = "9"
    & skf18("10","10","7","6","4","3","1") = "9"
    & skf18("10","10","7","6","4","4","1") = "9"
    & skf18("10","10","7","6","4","5","1") = "9"
    & skf18("10","10","7","6","4","6","1") = "9"
    & skf18("10","10","7","6","4","7","1") = "9"
    & skf18("10","10","7","6","4","8","1") = "9"
    & skf18("10","10","7","6","4","9","1") = "9"
    & skf18("10","10","7","6","4","10","1") = "9"
    & skf18("10","10","7","6","5","1","1") = "9"
    & skf18("10","10","7","6","5","2","1") = "9"
    & skf18("10","10","7","6","5","3","1") = "9"
    & skf18("10","10","7","6","5","4","1") = "9"
    & skf18("10","10","7","6","5","5","1") = "9"
    & skf18("10","10","7","6","5","6","1") = "9"
    & skf18("10","10","7","6","5","7","1") = "9"
    & skf18("10","10","7","6","5","8","1") = "9"
    & skf18("10","10","7","6","5","9","1") = "9"
    & skf18("10","10","7","6","5","10","1") = "9"
    & skf18("10","10","7","6","6","1","1") = "9"
    & skf18("10","10","7","6","6","2","1") = "9"
    & skf18("10","10","7","6","6","3","1") = "9"
    & skf18("10","10","7","6","6","4","1") = "9"
    & skf18("10","10","7","6","6","5","1") = "9"
    & skf18("10","10","7","6","6","6","1") = "9"
    & skf18("10","10","7","6","6","7","1") = "9"
    & skf18("10","10","7","6","6","8","1") = "9"
    & skf18("10","10","7","6","6","9","1") = "9"
    & skf18("10","10","7","6","6","10","1") = "9"
    & skf18("10","10","7","6","7","1","1") = "9"
    & skf18("10","10","7","6","7","2","1") = "9"
    & skf18("10","10","7","6","7","3","1") = "9"
    & skf18("10","10","7","6","7","4","1") = "9"
    & skf18("10","10","7","6","7","5","1") = "9"
    & skf18("10","10","7","6","7","6","1") = "9"
    & skf18("10","10","7","6","7","7","1") = "9"
    & skf18("10","10","7","6","7","8","1") = "9"
    & skf18("10","10","7","6","7","9","1") = "9"
    & skf18("10","10","7","6","7","10","1") = "9"
    & skf18("10","10","7","6","8","1","1") = "9"
    & skf18("10","10","7","6","8","2","1") = "9"
    & skf18("10","10","7","6","8","3","1") = "9"
    & skf18("10","10","7","6","8","4","1") = "9"
    & skf18("10","10","7","6","8","5","1") = "9"
    & skf18("10","10","7","6","8","6","1") = "9"
    & skf18("10","10","7","6","8","7","1") = "9"
    & skf18("10","10","7","6","8","8","1") = "9"
    & skf18("10","10","7","6","8","9","1") = "9"
    & skf18("10","10","7","6","8","10","1") = "9"
    & skf18("10","10","7","6","9","1","1") = "9"
    & skf18("10","10","7","6","9","2","1") = "9"
    & skf18("10","10","7","6","9","3","1") = "9"
    & skf18("10","10","7","6","9","4","1") = "9"
    & skf18("10","10","7","6","9","5","1") = "9"
    & skf18("10","10","7","6","9","6","1") = "9"
    & skf18("10","10","7","6","9","7","1") = "9"
    & skf18("10","10","7","6","9","8","1") = "9"
    & skf18("10","10","7","6","9","9","1") = "9"
    & skf18("10","10","7","6","9","10","1") = "9"
    & skf18("10","10","7","6","10","1","1") = "9"
    & skf18("10","10","7","6","10","2","1") = "9"
    & skf18("10","10","7","6","10","3","1") = "9"
    & skf18("10","10","7","6","10","4","1") = "9"
    & skf18("10","10","7","6","10","5","1") = "9"
    & skf18("10","10","7","6","10","6","1") = "9"
    & skf18("10","10","7","6","10","7","1") = "9"
    & skf18("10","10","7","6","10","8","1") = "9"
    & skf18("10","10","7","6","10","9","1") = "9"
    & skf18("10","10","7","6","10","10","1") = "9"
    & skf18("10","10","7","7","1","1","1") = "9"
    & skf18("10","10","7","7","1","2","1") = "9"
    & skf18("10","10","7","7","1","3","1") = "9"
    & skf18("10","10","7","7","1","4","1") = "9"
    & skf18("10","10","7","7","1","5","1") = "9"
    & skf18("10","10","7","7","1","6","1") = "9"
    & skf18("10","10","7","7","1","7","1") = "9"
    & skf18("10","10","7","7","1","8","1") = "9"
    & skf18("10","10","7","7","1","9","1") = "9"
    & skf18("10","10","7","7","1","10","1") = "9"
    & skf18("10","10","7","7","2","1","1") = "9"
    & skf18("10","10","7","7","2","2","1") = "9"
    & skf18("10","10","7","7","2","3","1") = "9"
    & skf18("10","10","7","7","2","4","1") = "9"
    & skf18("10","10","7","7","2","5","1") = "9"
    & skf18("10","10","7","7","2","6","1") = "9"
    & skf18("10","10","7","7","2","7","1") = "9"
    & skf18("10","10","7","7","2","8","1") = "9"
    & skf18("10","10","7","7","2","9","1") = "9"
    & skf18("10","10","7","7","2","10","1") = "9"
    & skf18("10","10","7","7","3","1","1") = "9"
    & skf18("10","10","7","7","3","2","1") = "9"
    & skf18("10","10","7","7","3","3","1") = "9"
    & skf18("10","10","7","7","3","4","1") = "9"
    & skf18("10","10","7","7","3","5","1") = "9"
    & skf18("10","10","7","7","3","6","1") = "9"
    & skf18("10","10","7","7","3","7","1") = "9"
    & skf18("10","10","7","7","3","8","1") = "9"
    & skf18("10","10","7","7","3","9","1") = "9"
    & skf18("10","10","7","7","3","10","1") = "9"
    & skf18("10","10","7","7","4","1","1") = "9"
    & skf18("10","10","7","7","4","2","1") = "9"
    & skf18("10","10","7","7","4","3","1") = "9"
    & skf18("10","10","7","7","4","4","1") = "9"
    & skf18("10","10","7","7","4","5","1") = "9"
    & skf18("10","10","7","7","4","6","1") = "9"
    & skf18("10","10","7","7","4","7","1") = "9"
    & skf18("10","10","7","7","4","8","1") = "9"
    & skf18("10","10","7","7","4","9","1") = "9"
    & skf18("10","10","7","7","4","10","1") = "9"
    & skf18("10","10","7","7","5","1","1") = "9"
    & skf18("10","10","7","7","5","2","1") = "9"
    & skf18("10","10","7","7","5","3","1") = "9"
    & skf18("10","10","7","7","5","4","1") = "9"
    & skf18("10","10","7","7","5","5","1") = "9"
    & skf18("10","10","7","7","5","6","1") = "9"
    & skf18("10","10","7","7","5","7","1") = "9"
    & skf18("10","10","7","7","5","8","1") = "9"
    & skf18("10","10","7","7","5","9","1") = "9"
    & skf18("10","10","7","7","5","10","1") = "9"
    & skf18("10","10","7","7","6","1","1") = "9"
    & skf18("10","10","7","7","6","2","1") = "9"
    & skf18("10","10","7","7","6","3","1") = "9"
    & skf18("10","10","7","7","6","4","1") = "9"
    & skf18("10","10","7","7","6","5","1") = "9"
    & skf18("10","10","7","7","6","6","1") = "9"
    & skf18("10","10","7","7","6","7","1") = "9"
    & skf18("10","10","7","7","6","8","1") = "9"
    & skf18("10","10","7","7","6","9","1") = "9"
    & skf18("10","10","7","7","6","10","1") = "9"
    & skf18("10","10","7","7","7","1","1") = "9"
    & skf18("10","10","7","7","7","2","1") = "9"
    & skf18("10","10","7","7","7","3","1") = "9"
    & skf18("10","10","7","7","7","4","1") = "9"
    & skf18("10","10","7","7","7","5","1") = "9"
    & skf18("10","10","7","7","7","6","1") = "9"
    & skf18("10","10","7","7","7","7","1") = "9"
    & skf18("10","10","7","7","7","8","1") = "9"
    & skf18("10","10","7","7","7","9","1") = "9"
    & skf18("10","10","7","7","7","10","1") = "9"
    & skf18("10","10","7","7","8","1","1") = "9"
    & skf18("10","10","7","7","8","2","1") = "9"
    & skf18("10","10","7","7","8","3","1") = "9"
    & skf18("10","10","7","7","8","4","1") = "9"
    & skf18("10","10","7","7","8","5","1") = "9"
    & skf18("10","10","7","7","8","6","1") = "9"
    & skf18("10","10","7","7","8","7","1") = "9"
    & skf18("10","10","7","7","8","8","1") = "9"
    & skf18("10","10","7","7","8","9","1") = "9"
    & skf18("10","10","7","7","8","10","1") = "9"
    & skf18("10","10","7","7","9","1","1") = "9"
    & skf18("10","10","7","7","9","2","1") = "9"
    & skf18("10","10","7","7","9","3","1") = "9"
    & skf18("10","10","7","7","9","4","1") = "9"
    & skf18("10","10","7","7","9","5","1") = "9"
    & skf18("10","10","7","7","9","6","1") = "9"
    & skf18("10","10","7","7","9","7","1") = "9"
    & skf18("10","10","7","7","9","8","1") = "9"
    & skf18("10","10","7","7","9","9","1") = "9"
    & skf18("10","10","7","7","9","10","1") = "9"
    & skf18("10","10","7","7","10","1","1") = "9"
    & skf18("10","10","7","7","10","2","1") = "9"
    & skf18("10","10","7","7","10","3","1") = "9"
    & skf18("10","10","7","7","10","4","1") = "9"
    & skf18("10","10","7","7","10","5","1") = "9"
    & skf18("10","10","7","7","10","6","1") = "9"
    & skf18("10","10","7","7","10","7","1") = "9"
    & skf18("10","10","7","7","10","8","1") = "9"
    & skf18("10","10","7","7","10","9","1") = "9"
    & skf18("10","10","7","7","10","10","1") = "9"
    & skf18("10","10","7","8","1","1","1") = "9"
    & skf18("10","10","7","8","1","2","1") = "9"
    & skf18("10","10","7","8","1","3","1") = "9"
    & skf18("10","10","7","8","1","4","1") = "9"
    & skf18("10","10","7","8","1","5","1") = "9"
    & skf18("10","10","7","8","1","6","1") = "9"
    & skf18("10","10","7","8","1","7","1") = "9"
    & skf18("10","10","7","8","1","8","1") = "9"
    & skf18("10","10","7","8","1","9","1") = "9"
    & skf18("10","10","7","8","1","10","1") = "9"
    & skf18("10","10","7","8","2","1","1") = "9"
    & skf18("10","10","7","8","2","2","1") = "9"
    & skf18("10","10","7","8","2","3","1") = "9"
    & skf18("10","10","7","8","2","4","1") = "9"
    & skf18("10","10","7","8","2","5","1") = "9"
    & skf18("10","10","7","8","2","6","1") = "9"
    & skf18("10","10","7","8","2","7","1") = "9"
    & skf18("10","10","7","8","2","8","1") = "9"
    & skf18("10","10","7","8","2","9","1") = "9"
    & skf18("10","10","7","8","2","10","1") = "9"
    & skf18("10","10","7","8","3","1","1") = "9"
    & skf18("10","10","7","8","3","2","1") = "9"
    & skf18("10","10","7","8","3","3","1") = "9"
    & skf18("10","10","7","8","3","4","1") = "9"
    & skf18("10","10","7","8","3","5","1") = "9"
    & skf18("10","10","7","8","3","6","1") = "9"
    & skf18("10","10","7","8","3","7","1") = "9"
    & skf18("10","10","7","8","3","8","1") = "9"
    & skf18("10","10","7","8","3","9","1") = "9"
    & skf18("10","10","7","8","3","10","1") = "9"
    & skf18("10","10","7","8","4","1","1") = "9"
    & skf18("10","10","7","8","4","2","1") = "9"
    & skf18("10","10","7","8","4","3","1") = "9"
    & skf18("10","10","7","8","4","4","1") = "9"
    & skf18("10","10","7","8","4","5","1") = "9"
    & skf18("10","10","7","8","4","6","1") = "9"
    & skf18("10","10","7","8","4","7","1") = "9"
    & skf18("10","10","7","8","4","8","1") = "9"
    & skf18("10","10","7","8","4","9","1") = "9"
    & skf18("10","10","7","8","4","10","1") = "9"
    & skf18("10","10","7","8","5","1","1") = "9"
    & skf18("10","10","7","8","5","2","1") = "9"
    & skf18("10","10","7","8","5","3","1") = "9"
    & skf18("10","10","7","8","5","4","1") = "9"
    & skf18("10","10","7","8","5","5","1") = "9"
    & skf18("10","10","7","8","5","6","1") = "9"
    & skf18("10","10","7","8","5","7","1") = "9"
    & skf18("10","10","7","8","5","8","1") = "9"
    & skf18("10","10","7","8","5","9","1") = "9"
    & skf18("10","10","7","8","5","10","1") = "9"
    & skf18("10","10","7","8","6","1","1") = "9"
    & skf18("10","10","7","8","6","2","1") = "9"
    & skf18("10","10","7","8","6","3","1") = "9"
    & skf18("10","10","7","8","6","4","1") = "9"
    & skf18("10","10","7","8","6","5","1") = "9"
    & skf18("10","10","7","8","6","6","1") = "9"
    & skf18("10","10","7","8","6","7","1") = "9"
    & skf18("10","10","7","8","6","8","1") = "9"
    & skf18("10","10","7","8","6","9","1") = "9"
    & skf18("10","10","7","8","6","10","1") = "9"
    & skf18("10","10","7","8","7","1","1") = "9"
    & skf18("10","10","7","8","7","2","1") = "9"
    & skf18("10","10","7","8","7","3","1") = "9"
    & skf18("10","10","7","8","7","4","1") = "9"
    & skf18("10","10","7","8","7","5","1") = "9"
    & skf18("10","10","7","8","7","6","1") = "9"
    & skf18("10","10","7","8","7","7","1") = "9"
    & skf18("10","10","7","8","7","8","1") = "9"
    & skf18("10","10","7","8","7","9","1") = "9"
    & skf18("10","10","7","8","7","10","1") = "9"
    & skf18("10","10","7","8","8","1","1") = "9"
    & skf18("10","10","7","8","8","2","1") = "9"
    & skf18("10","10","7","8","8","3","1") = "9"
    & skf18("10","10","7","8","8","4","1") = "9"
    & skf18("10","10","7","8","8","5","1") = "9"
    & skf18("10","10","7","8","8","6","1") = "9"
    & skf18("10","10","7","8","8","7","1") = "9"
    & skf18("10","10","7","8","8","8","1") = "9"
    & skf18("10","10","7","8","8","9","1") = "9"
    & skf18("10","10","7","8","8","10","1") = "9"
    & skf18("10","10","7","8","9","1","1") = "9"
    & skf18("10","10","7","8","9","2","1") = "9"
    & skf18("10","10","7","8","9","3","1") = "9"
    & skf18("10","10","7","8","9","4","1") = "9"
    & skf18("10","10","7","8","9","5","1") = "9"
    & skf18("10","10","7","8","9","6","1") = "9"
    & skf18("10","10","7","8","9","7","1") = "9"
    & skf18("10","10","7","8","9","8","1") = "9"
    & skf18("10","10","7","8","9","9","1") = "9"
    & skf18("10","10","7","8","9","10","1") = "9"
    & skf18("10","10","7","8","10","1","1") = "9"
    & skf18("10","10","7","8","10","2","1") = "9"
    & skf18("10","10","7","8","10","3","1") = "9"
    & skf18("10","10","7","8","10","4","1") = "9"
    & skf18("10","10","7","8","10","5","1") = "9"
    & skf18("10","10","7","8","10","6","1") = "9"
    & skf18("10","10","7","8","10","7","1") = "9"
    & skf18("10","10","7","8","10","8","1") = "9"
    & skf18("10","10","7","8","10","9","1") = "9"
    & skf18("10","10","7","8","10","10","1") = "9"
    & skf18("10","10","7","9","1","1","1") = "9"
    & skf18("10","10","7","9","1","2","1") = "9"
    & skf18("10","10","7","9","1","3","1") = "9"
    & skf18("10","10","7","9","1","4","1") = "9"
    & skf18("10","10","7","9","1","5","1") = "9"
    & skf18("10","10","7","9","1","6","1") = "9"
    & skf18("10","10","7","9","1","7","1") = "9"
    & skf18("10","10","7","9","1","8","1") = "9"
    & skf18("10","10","7","9","1","9","1") = "9"
    & skf18("10","10","7","9","1","10","1") = "9"
    & skf18("10","10","7","9","2","1","1") = "9"
    & skf18("10","10","7","9","2","2","1") = "9"
    & skf18("10","10","7","9","2","3","1") = "9"
    & skf18("10","10","7","9","2","4","1") = "9"
    & skf18("10","10","7","9","2","5","1") = "9"
    & skf18("10","10","7","9","2","6","1") = "9"
    & skf18("10","10","7","9","2","7","1") = "9"
    & skf18("10","10","7","9","2","8","1") = "9"
    & skf18("10","10","7","9","2","9","1") = "9"
    & skf18("10","10","7","9","2","10","1") = "9"
    & skf18("10","10","7","9","3","1","1") = "9"
    & skf18("10","10","7","9","3","2","1") = "9"
    & skf18("10","10","7","9","3","3","1") = "9"
    & skf18("10","10","7","9","3","4","1") = "9"
    & skf18("10","10","7","9","3","5","1") = "9"
    & skf18("10","10","7","9","3","6","1") = "9"
    & skf18("10","10","7","9","3","7","1") = "9"
    & skf18("10","10","7","9","3","8","1") = "9"
    & skf18("10","10","7","9","3","9","1") = "9"
    & skf18("10","10","7","9","3","10","1") = "9"
    & skf18("10","10","7","9","4","1","1") = "9"
    & skf18("10","10","7","9","4","2","1") = "9"
    & skf18("10","10","7","9","4","3","1") = "9"
    & skf18("10","10","7","9","4","4","1") = "9"
    & skf18("10","10","7","9","4","5","1") = "9"
    & skf18("10","10","7","9","4","6","1") = "9"
    & skf18("10","10","7","9","4","7","1") = "9"
    & skf18("10","10","7","9","4","8","1") = "9"
    & skf18("10","10","7","9","4","9","1") = "9"
    & skf18("10","10","7","9","4","10","1") = "9"
    & skf18("10","10","7","9","5","1","1") = "9"
    & skf18("10","10","7","9","5","2","1") = "9"
    & skf18("10","10","7","9","5","3","1") = "9"
    & skf18("10","10","7","9","5","4","1") = "9"
    & skf18("10","10","7","9","5","5","1") = "9"
    & skf18("10","10","7","9","5","6","1") = "9"
    & skf18("10","10","7","9","5","7","1") = "9"
    & skf18("10","10","7","9","5","8","1") = "9"
    & skf18("10","10","7","9","5","9","1") = "9"
    & skf18("10","10","7","9","5","10","1") = "9"
    & skf18("10","10","7","9","6","1","1") = "9"
    & skf18("10","10","7","9","6","2","1") = "9"
    & skf18("10","10","7","9","6","3","1") = "9"
    & skf18("10","10","7","9","6","4","1") = "9"
    & skf18("10","10","7","9","6","5","1") = "9"
    & skf18("10","10","7","9","6","6","1") = "9"
    & skf18("10","10","7","9","6","7","1") = "9"
    & skf18("10","10","7","9","6","8","1") = "9"
    & skf18("10","10","7","9","6","9","1") = "9"
    & skf18("10","10","7","9","6","10","1") = "9"
    & skf18("10","10","7","9","7","1","1") = "9"
    & skf18("10","10","7","9","7","2","1") = "9"
    & skf18("10","10","7","9","7","3","1") = "9"
    & skf18("10","10","7","9","7","4","1") = "9"
    & skf18("10","10","7","9","7","5","1") = "9"
    & skf18("10","10","7","9","7","6","1") = "9"
    & skf18("10","10","7","9","7","7","1") = "9"
    & skf18("10","10","7","9","7","8","1") = "9"
    & skf18("10","10","7","9","7","9","1") = "9"
    & skf18("10","10","7","9","7","10","1") = "9"
    & skf18("10","10","7","9","8","1","1") = "9"
    & skf18("10","10","7","9","8","2","1") = "9"
    & skf18("10","10","7","9","8","3","1") = "9"
    & skf18("10","10","7","9","8","4","1") = "9"
    & skf18("10","10","7","9","8","5","1") = "9"
    & skf18("10","10","7","9","8","6","1") = "9"
    & skf18("10","10","7","9","8","7","1") = "9"
    & skf18("10","10","7","9","8","8","1") = "9"
    & skf18("10","10","7","9","8","9","1") = "9"
    & skf18("10","10","7","9","8","10","1") = "9"
    & skf18("10","10","7","9","9","1","1") = "9"
    & skf18("10","10","7","9","9","2","1") = "9"
    & skf18("10","10","7","9","9","3","1") = "9"
    & skf18("10","10","7","9","9","4","1") = "9"
    & skf18("10","10","7","9","9","5","1") = "9"
    & skf18("10","10","7","9","9","6","1") = "9"
    & skf18("10","10","7","9","9","7","1") = "9"
    & skf18("10","10","7","9","9","8","1") = "9"
    & skf18("10","10","7","9","9","9","1") = "9"
    & skf18("10","10","7","9","9","10","1") = "9"
    & skf18("10","10","7","9","10","1","1") = "9"
    & skf18("10","10","7","9","10","2","1") = "9"
    & skf18("10","10","7","9","10","3","1") = "9"
    & skf18("10","10","7","9","10","4","1") = "9"
    & skf18("10","10","7","9","10","5","1") = "9"
    & skf18("10","10","7","9","10","6","1") = "9"
    & skf18("10","10","7","9","10","7","1") = "9"
    & skf18("10","10","7","9","10","8","1") = "9"
    & skf18("10","10","7","9","10","9","1") = "9"
    & skf18("10","10","7","9","10","10","1") = "9"
    & skf18("10","10","7","10","1","1","1") = "9"
    & skf18("10","10","7","10","1","2","1") = "9"
    & skf18("10","10","7","10","1","3","1") = "9"
    & skf18("10","10","7","10","1","4","1") = "9"
    & skf18("10","10","7","10","1","5","1") = "9"
    & skf18("10","10","7","10","1","6","1") = "9"
    & skf18("10","10","7","10","1","7","1") = "9"
    & skf18("10","10","7","10","1","8","1") = "9"
    & skf18("10","10","7","10","1","9","1") = "9"
    & skf18("10","10","7","10","1","10","1") = "9"
    & skf18("10","10","7","10","2","1","1") = "9"
    & skf18("10","10","7","10","2","2","1") = "9"
    & skf18("10","10","7","10","2","3","1") = "9"
    & skf18("10","10","7","10","2","4","1") = "9"
    & skf18("10","10","7","10","2","5","1") = "9"
    & skf18("10","10","7","10","2","6","1") = "9"
    & skf18("10","10","7","10","2","7","1") = "9"
    & skf18("10","10","7","10","2","8","1") = "9"
    & skf18("10","10","7","10","2","9","1") = "9"
    & skf18("10","10","7","10","2","10","1") = "9"
    & skf18("10","10","7","10","3","1","1") = "9"
    & skf18("10","10","7","10","3","2","1") = "9"
    & skf18("10","10","7","10","3","3","1") = "9"
    & skf18("10","10","7","10","3","4","1") = "9"
    & skf18("10","10","7","10","3","5","1") = "9"
    & skf18("10","10","7","10","3","6","1") = "9"
    & skf18("10","10","7","10","3","7","1") = "9"
    & skf18("10","10","7","10","3","8","1") = "9"
    & skf18("10","10","7","10","3","9","1") = "9"
    & skf18("10","10","7","10","3","10","1") = "9"
    & skf18("10","10","7","10","4","1","1") = "9"
    & skf18("10","10","7","10","4","2","1") = "9"
    & skf18("10","10","7","10","4","3","1") = "9"
    & skf18("10","10","7","10","4","4","1") = "9"
    & skf18("10","10","7","10","4","5","1") = "9"
    & skf18("10","10","7","10","4","6","1") = "9"
    & skf18("10","10","7","10","4","7","1") = "9"
    & skf18("10","10","7","10","4","8","1") = "9"
    & skf18("10","10","7","10","4","9","1") = "9"
    & skf18("10","10","7","10","4","10","1") = "9"
    & skf18("10","10","7","10","5","1","1") = "9"
    & skf18("10","10","7","10","5","2","1") = "9"
    & skf18("10","10","7","10","5","3","1") = "9"
    & skf18("10","10","7","10","5","4","1") = "9"
    & skf18("10","10","7","10","5","5","1") = "9"
    & skf18("10","10","7","10","5","6","1") = "9"
    & skf18("10","10","7","10","5","7","1") = "9"
    & skf18("10","10","7","10","5","8","1") = "9"
    & skf18("10","10","7","10","5","9","1") = "9"
    & skf18("10","10","7","10","5","10","1") = "9"
    & skf18("10","10","7","10","6","1","1") = "9"
    & skf18("10","10","7","10","6","2","1") = "9"
    & skf18("10","10","7","10","6","3","1") = "9"
    & skf18("10","10","7","10","6","4","1") = "9"
    & skf18("10","10","7","10","6","5","1") = "9"
    & skf18("10","10","7","10","6","6","1") = "9"
    & skf18("10","10","7","10","6","7","1") = "9"
    & skf18("10","10","7","10","6","8","1") = "9"
    & skf18("10","10","7","10","6","9","1") = "9"
    & skf18("10","10","7","10","6","10","1") = "9"
    & skf18("10","10","7","10","7","1","1") = "9"
    & skf18("10","10","7","10","7","2","1") = "9"
    & skf18("10","10","7","10","7","3","1") = "9"
    & skf18("10","10","7","10","7","4","1") = "9"
    & skf18("10","10","7","10","7","5","1") = "9"
    & skf18("10","10","7","10","7","6","1") = "9"
    & skf18("10","10","7","10","7","7","1") = "9"
    & skf18("10","10","7","10","7","8","1") = "9"
    & skf18("10","10","7","10","7","9","1") = "9"
    & skf18("10","10","7","10","7","10","1") = "9"
    & skf18("10","10","7","10","8","1","1") = "9"
    & skf18("10","10","7","10","8","2","1") = "9"
    & skf18("10","10","7","10","8","3","1") = "9"
    & skf18("10","10","7","10","8","4","1") = "9"
    & skf18("10","10","7","10","8","5","1") = "9"
    & skf18("10","10","7","10","8","6","1") = "9"
    & skf18("10","10","7","10","8","7","1") = "9"
    & skf18("10","10","7","10","8","8","1") = "9"
    & skf18("10","10","7","10","8","9","1") = "9"
    & skf18("10","10","7","10","8","10","1") = "9"
    & skf18("10","10","7","10","9","1","1") = "9"
    & skf18("10","10","7","10","9","2","1") = "9"
    & skf18("10","10","7","10","9","3","1") = "9"
    & skf18("10","10","7","10","9","4","1") = "9"
    & skf18("10","10","7","10","9","5","1") = "9"
    & skf18("10","10","7","10","9","6","1") = "9"
    & skf18("10","10","7","10","9","7","1") = "9"
    & skf18("10","10","7","10","9","8","1") = "9"
    & skf18("10","10","7","10","9","9","1") = "9"
    & skf18("10","10","7","10","9","10","1") = "9"
    & skf18("10","10","7","10","10","1","1") = "9"
    & skf18("10","10","7","10","10","2","1") = "9"
    & skf18("10","10","7","10","10","3","1") = "9"
    & skf18("10","10","7","10","10","4","1") = "9"
    & skf18("10","10","7","10","10","5","1") = "9"
    & skf18("10","10","7","10","10","6","1") = "9"
    & skf18("10","10","7","10","10","7","1") = "9"
    & skf18("10","10","7","10","10","8","1") = "9"
    & skf18("10","10","7","10","10","9","1") = "9"
    & skf18("10","10","7","10","10","10","1") = "9"
    & skf18("10","10","8","1","1","1","1") = "9"
    & skf18("10","10","8","1","1","2","1") = "9"
    & skf18("10","10","8","1","1","3","1") = "9"
    & skf18("10","10","8","1","1","4","1") = "9"
    & skf18("10","10","8","1","1","5","1") = "9"
    & skf18("10","10","8","1","1","6","1") = "9"
    & skf18("10","10","8","1","1","7","1") = "9"
    & skf18("10","10","8","1","1","8","1") = "9"
    & skf18("10","10","8","1","1","9","1") = "9"
    & skf18("10","10","8","1","1","10","1") = "9"
    & skf18("10","10","8","1","2","1","1") = "9"
    & skf18("10","10","8","1","2","2","1") = "9"
    & skf18("10","10","8","1","2","3","1") = "9"
    & skf18("10","10","8","1","2","4","1") = "9"
    & skf18("10","10","8","1","2","5","1") = "9"
    & skf18("10","10","8","1","2","6","1") = "9"
    & skf18("10","10","8","1","2","7","1") = "9"
    & skf18("10","10","8","1","2","8","1") = "9"
    & skf18("10","10","8","1","2","9","1") = "9"
    & skf18("10","10","8","1","2","10","1") = "9"
    & skf18("10","10","8","1","3","1","1") = "9"
    & skf18("10","10","8","1","3","2","1") = "9"
    & skf18("10","10","8","1","3","3","1") = "9"
    & skf18("10","10","8","1","3","4","1") = "9"
    & skf18("10","10","8","1","3","5","1") = "9"
    & skf18("10","10","8","1","3","6","1") = "9"
    & skf18("10","10","8","1","3","7","1") = "9"
    & skf18("10","10","8","1","3","8","1") = "9"
    & skf18("10","10","8","1","3","9","1") = "9"
    & skf18("10","10","8","1","3","10","1") = "9"
    & skf18("10","10","8","1","4","1","1") = "9"
    & skf18("10","10","8","1","4","2","1") = "9"
    & skf18("10","10","8","1","4","3","1") = "9"
    & skf18("10","10","8","1","4","4","1") = "9"
    & skf18("10","10","8","1","4","5","1") = "9"
    & skf18("10","10","8","1","4","6","1") = "9"
    & skf18("10","10","8","1","4","7","1") = "9"
    & skf18("10","10","8","1","4","8","1") = "9"
    & skf18("10","10","8","1","4","9","1") = "9"
    & skf18("10","10","8","1","4","10","1") = "9"
    & skf18("10","10","8","1","5","1","1") = "9"
    & skf18("10","10","8","1","5","2","1") = "9"
    & skf18("10","10","8","1","5","3","1") = "9"
    & skf18("10","10","8","1","5","4","1") = "9"
    & skf18("10","10","8","1","5","5","1") = "9"
    & skf18("10","10","8","1","5","6","1") = "9"
    & skf18("10","10","8","1","5","7","1") = "9"
    & skf18("10","10","8","1","5","8","1") = "9"
    & skf18("10","10","8","1","5","9","1") = "9"
    & skf18("10","10","8","1","5","10","1") = "9"
    & skf18("10","10","8","1","6","1","1") = "9"
    & skf18("10","10","8","1","6","2","1") = "9"
    & skf18("10","10","8","1","6","3","1") = "9"
    & skf18("10","10","8","1","6","4","1") = "9"
    & skf18("10","10","8","1","6","5","1") = "9"
    & skf18("10","10","8","1","6","6","1") = "9"
    & skf18("10","10","8","1","6","7","1") = "9"
    & skf18("10","10","8","1","6","8","1") = "9"
    & skf18("10","10","8","1","6","9","1") = "9"
    & skf18("10","10","8","1","6","10","1") = "9"
    & skf18("10","10","8","1","7","1","1") = "9"
    & skf18("10","10","8","1","7","2","1") = "9"
    & skf18("10","10","8","1","7","3","1") = "9"
    & skf18("10","10","8","1","7","4","1") = "9"
    & skf18("10","10","8","1","7","5","1") = "9"
    & skf18("10","10","8","1","7","6","1") = "9"
    & skf18("10","10","8","1","7","7","1") = "9"
    & skf18("10","10","8","1","7","8","1") = "9"
    & skf18("10","10","8","1","7","9","1") = "9"
    & skf18("10","10","8","1","7","10","1") = "9"
    & skf18("10","10","8","1","8","1","1") = "9"
    & skf18("10","10","8","1","8","2","1") = "9"
    & skf18("10","10","8","1","8","3","1") = "9"
    & skf18("10","10","8","1","8","4","1") = "9"
    & skf18("10","10","8","1","8","5","1") = "9"
    & skf18("10","10","8","1","8","6","1") = "9"
    & skf18("10","10","8","1","8","7","1") = "9"
    & skf18("10","10","8","1","8","8","1") = "9"
    & skf18("10","10","8","1","8","9","1") = "9"
    & skf18("10","10","8","1","8","10","1") = "9"
    & skf18("10","10","8","1","9","1","1") = "9"
    & skf18("10","10","8","1","9","2","1") = "9"
    & skf18("10","10","8","1","9","3","1") = "9"
    & skf18("10","10","8","1","9","4","1") = "9"
    & skf18("10","10","8","1","9","5","1") = "9"
    & skf18("10","10","8","1","9","6","1") = "9"
    & skf18("10","10","8","1","9","7","1") = "9"
    & skf18("10","10","8","1","9","8","1") = "9"
    & skf18("10","10","8","1","9","9","1") = "9"
    & skf18("10","10","8","1","9","10","1") = "9"
    & skf18("10","10","8","1","10","1","1") = "9"
    & skf18("10","10","8","1","10","2","1") = "9"
    & skf18("10","10","8","1","10","3","1") = "9"
    & skf18("10","10","8","1","10","4","1") = "9"
    & skf18("10","10","8","1","10","5","1") = "9"
    & skf18("10","10","8","1","10","6","1") = "9"
    & skf18("10","10","8","1","10","7","1") = "9"
    & skf18("10","10","8","1","10","8","1") = "9"
    & skf18("10","10","8","1","10","9","1") = "9"
    & skf18("10","10","8","1","10","10","1") = "9"
    & skf18("10","10","8","2","1","1","1") = "9"
    & skf18("10","10","8","2","1","2","1") = "9"
    & skf18("10","10","8","2","1","3","1") = "9"
    & skf18("10","10","8","2","1","4","1") = "9"
    & skf18("10","10","8","2","1","5","1") = "9"
    & skf18("10","10","8","2","1","6","1") = "9"
    & skf18("10","10","8","2","1","7","1") = "9"
    & skf18("10","10","8","2","1","8","1") = "9"
    & skf18("10","10","8","2","1","9","1") = "9"
    & skf18("10","10","8","2","1","10","1") = "9"
    & skf18("10","10","8","2","2","1","1") = "9"
    & skf18("10","10","8","2","2","2","1") = "9"
    & skf18("10","10","8","2","2","3","1") = "9"
    & skf18("10","10","8","2","2","4","1") = "9"
    & skf18("10","10","8","2","2","5","1") = "9"
    & skf18("10","10","8","2","2","6","1") = "9"
    & skf18("10","10","8","2","2","7","1") = "9"
    & skf18("10","10","8","2","2","8","1") = "9"
    & skf18("10","10","8","2","2","9","1") = "9"
    & skf18("10","10","8","2","2","10","1") = "9"
    & skf18("10","10","8","2","3","1","1") = "9"
    & skf18("10","10","8","2","3","2","1") = "9"
    & skf18("10","10","8","2","3","3","1") = "9"
    & skf18("10","10","8","2","3","4","1") = "9"
    & skf18("10","10","8","2","3","5","1") = "9"
    & skf18("10","10","8","2","3","6","1") = "9"
    & skf18("10","10","8","2","3","7","1") = "9"
    & skf18("10","10","8","2","3","8","1") = "9"
    & skf18("10","10","8","2","3","9","1") = "9"
    & skf18("10","10","8","2","3","10","1") = "9"
    & skf18("10","10","8","2","4","1","1") = "9"
    & skf18("10","10","8","2","4","2","1") = "9"
    & skf18("10","10","8","2","4","3","1") = "9"
    & skf18("10","10","8","2","4","4","1") = "9"
    & skf18("10","10","8","2","4","5","1") = "9"
    & skf18("10","10","8","2","4","6","1") = "9"
    & skf18("10","10","8","2","4","7","1") = "9"
    & skf18("10","10","8","2","4","8","1") = "9"
    & skf18("10","10","8","2","4","9","1") = "9"
    & skf18("10","10","8","2","4","10","1") = "9"
    & skf18("10","10","8","2","5","1","1") = "9"
    & skf18("10","10","8","2","5","2","1") = "9"
    & skf18("10","10","8","2","5","3","1") = "9"
    & skf18("10","10","8","2","5","4","1") = "9"
    & skf18("10","10","8","2","5","5","1") = "9"
    & skf18("10","10","8","2","5","6","1") = "9"
    & skf18("10","10","8","2","5","7","1") = "9"
    & skf18("10","10","8","2","5","8","1") = "9"
    & skf18("10","10","8","2","5","9","1") = "9"
    & skf18("10","10","8","2","5","10","1") = "9"
    & skf18("10","10","8","2","6","1","1") = "9"
    & skf18("10","10","8","2","6","2","1") = "9"
    & skf18("10","10","8","2","6","3","1") = "9"
    & skf18("10","10","8","2","6","4","1") = "9"
    & skf18("10","10","8","2","6","5","1") = "9"
    & skf18("10","10","8","2","6","6","1") = "9"
    & skf18("10","10","8","2","6","7","1") = "9"
    & skf18("10","10","8","2","6","8","1") = "9"
    & skf18("10","10","8","2","6","9","1") = "9"
    & skf18("10","10","8","2","6","10","1") = "9"
    & skf18("10","10","8","2","7","1","1") = "9"
    & skf18("10","10","8","2","7","2","1") = "9"
    & skf18("10","10","8","2","7","3","1") = "9"
    & skf18("10","10","8","2","7","4","1") = "9"
    & skf18("10","10","8","2","7","5","1") = "9"
    & skf18("10","10","8","2","7","6","1") = "9"
    & skf18("10","10","8","2","7","7","1") = "9"
    & skf18("10","10","8","2","7","8","1") = "9"
    & skf18("10","10","8","2","7","9","1") = "9"
    & skf18("10","10","8","2","7","10","1") = "9"
    & skf18("10","10","8","2","8","1","1") = "9"
    & skf18("10","10","8","2","8","2","1") = "9"
    & skf18("10","10","8","2","8","3","1") = "9"
    & skf18("10","10","8","2","8","4","1") = "9"
    & skf18("10","10","8","2","8","5","1") = "9"
    & skf18("10","10","8","2","8","6","1") = "9"
    & skf18("10","10","8","2","8","7","1") = "9"
    & skf18("10","10","8","2","8","8","1") = "9"
    & skf18("10","10","8","2","8","9","1") = "9"
    & skf18("10","10","8","2","8","10","1") = "9"
    & skf18("10","10","8","2","9","1","1") = "9"
    & skf18("10","10","8","2","9","2","1") = "9"
    & skf18("10","10","8","2","9","3","1") = "9"
    & skf18("10","10","8","2","9","4","1") = "9"
    & skf18("10","10","8","2","9","5","1") = "9"
    & skf18("10","10","8","2","9","6","1") = "9"
    & skf18("10","10","8","2","9","7","1") = "9"
    & skf18("10","10","8","2","9","8","1") = "9"
    & skf18("10","10","8","2","9","9","1") = "9"
    & skf18("10","10","8","2","9","10","1") = "9"
    & skf18("10","10","8","2","10","1","1") = "9"
    & skf18("10","10","8","2","10","2","1") = "9"
    & skf18("10","10","8","2","10","3","1") = "9"
    & skf18("10","10","8","2","10","4","1") = "9"
    & skf18("10","10","8","2","10","5","1") = "9"
    & skf18("10","10","8","2","10","6","1") = "9"
    & skf18("10","10","8","2","10","7","1") = "9"
    & skf18("10","10","8","2","10","8","1") = "9"
    & skf18("10","10","8","2","10","9","1") = "9"
    & skf18("10","10","8","2","10","10","1") = "9"
    & skf18("10","10","8","3","1","1","1") = "9"
    & skf18("10","10","8","3","1","2","1") = "9"
    & skf18("10","10","8","3","1","3","1") = "9"
    & skf18("10","10","8","3","1","4","1") = "9"
    & skf18("10","10","8","3","1","5","1") = "9"
    & skf18("10","10","8","3","1","6","1") = "9"
    & skf18("10","10","8","3","1","7","1") = "9"
    & skf18("10","10","8","3","1","8","1") = "9"
    & skf18("10","10","8","3","1","9","1") = "9"
    & skf18("10","10","8","3","1","10","1") = "9"
    & skf18("10","10","8","3","2","1","1") = "9"
    & skf18("10","10","8","3","2","2","1") = "9"
    & skf18("10","10","8","3","2","3","1") = "9"
    & skf18("10","10","8","3","2","4","1") = "9"
    & skf18("10","10","8","3","2","5","1") = "9"
    & skf18("10","10","8","3","2","6","1") = "9"
    & skf18("10","10","8","3","2","7","1") = "9"
    & skf18("10","10","8","3","2","8","1") = "9"
    & skf18("10","10","8","3","2","9","1") = "9"
    & skf18("10","10","8","3","2","10","1") = "9"
    & skf18("10","10","8","3","3","1","1") = "9"
    & skf18("10","10","8","3","3","2","1") = "9"
    & skf18("10","10","8","3","3","3","1") = "9"
    & skf18("10","10","8","3","3","4","1") = "9"
    & skf18("10","10","8","3","3","5","1") = "9"
    & skf18("10","10","8","3","3","6","1") = "9"
    & skf18("10","10","8","3","3","7","1") = "9"
    & skf18("10","10","8","3","3","8","1") = "9"
    & skf18("10","10","8","3","3","9","1") = "9"
    & skf18("10","10","8","3","3","10","1") = "9"
    & skf18("10","10","8","3","4","1","1") = "9"
    & skf18("10","10","8","3","4","2","1") = "9"
    & skf18("10","10","8","3","4","3","1") = "9"
    & skf18("10","10","8","3","4","4","1") = "9"
    & skf18("10","10","8","3","4","5","1") = "9"
    & skf18("10","10","8","3","4","6","1") = "9"
    & skf18("10","10","8","3","4","7","1") = "9"
    & skf18("10","10","8","3","4","8","1") = "9"
    & skf18("10","10","8","3","4","9","1") = "9"
    & skf18("10","10","8","3","4","10","1") = "9"
    & skf18("10","10","8","3","5","1","1") = "9"
    & skf18("10","10","8","3","5","2","1") = "9"
    & skf18("10","10","8","3","5","3","1") = "9"
    & skf18("10","10","8","3","5","4","1") = "9"
    & skf18("10","10","8","3","5","5","1") = "9"
    & skf18("10","10","8","3","5","6","1") = "9"
    & skf18("10","10","8","3","5","7","1") = "9"
    & skf18("10","10","8","3","5","8","1") = "9"
    & skf18("10","10","8","3","5","9","1") = "9"
    & skf18("10","10","8","3","5","10","1") = "9"
    & skf18("10","10","8","3","6","1","1") = "9"
    & skf18("10","10","8","3","6","2","1") = "9"
    & skf18("10","10","8","3","6","3","1") = "9"
    & skf18("10","10","8","3","6","4","1") = "9"
    & skf18("10","10","8","3","6","5","1") = "9"
    & skf18("10","10","8","3","6","6","1") = "9"
    & skf18("10","10","8","3","6","7","1") = "9"
    & skf18("10","10","8","3","6","8","1") = "9"
    & skf18("10","10","8","3","6","9","1") = "9"
    & skf18("10","10","8","3","6","10","1") = "9"
    & skf18("10","10","8","3","7","1","1") = "9"
    & skf18("10","10","8","3","7","2","1") = "9"
    & skf18("10","10","8","3","7","3","1") = "9"
    & skf18("10","10","8","3","7","4","1") = "9"
    & skf18("10","10","8","3","7","5","1") = "9"
    & skf18("10","10","8","3","7","6","1") = "9"
    & skf18("10","10","8","3","7","7","1") = "9"
    & skf18("10","10","8","3","7","8","1") = "9"
    & skf18("10","10","8","3","7","9","1") = "9"
    & skf18("10","10","8","3","7","10","1") = "9"
    & skf18("10","10","8","3","8","1","1") = "9"
    & skf18("10","10","8","3","8","2","1") = "9"
    & skf18("10","10","8","3","8","3","1") = "9"
    & skf18("10","10","8","3","8","4","1") = "9"
    & skf18("10","10","8","3","8","5","1") = "9"
    & skf18("10","10","8","3","8","6","1") = "9"
    & skf18("10","10","8","3","8","7","1") = "9"
    & skf18("10","10","8","3","8","8","1") = "9"
    & skf18("10","10","8","3","8","9","1") = "9"
    & skf18("10","10","8","3","8","10","1") = "9"
    & skf18("10","10","8","3","9","1","1") = "9"
    & skf18("10","10","8","3","9","2","1") = "9"
    & skf18("10","10","8","3","9","3","1") = "9"
    & skf18("10","10","8","3","9","4","1") = "9"
    & skf18("10","10","8","3","9","5","1") = "9"
    & skf18("10","10","8","3","9","6","1") = "9"
    & skf18("10","10","8","3","9","7","1") = "9"
    & skf18("10","10","8","3","9","8","1") = "9"
    & skf18("10","10","8","3","9","9","1") = "9"
    & skf18("10","10","8","3","9","10","1") = "9"
    & skf18("10","10","8","3","10","1","1") = "9"
    & skf18("10","10","8","3","10","2","1") = "9"
    & skf18("10","10","8","3","10","3","1") = "9"
    & skf18("10","10","8","3","10","4","1") = "9"
    & skf18("10","10","8","3","10","5","1") = "9"
    & skf18("10","10","8","3","10","6","1") = "9"
    & skf18("10","10","8","3","10","7","1") = "9"
    & skf18("10","10","8","3","10","8","1") = "9"
    & skf18("10","10","8","3","10","9","1") = "9"
    & skf18("10","10","8","3","10","10","1") = "9"
    & skf18("10","10","8","4","1","1","1") = "9"
    & skf18("10","10","8","4","1","2","1") = "9"
    & skf18("10","10","8","4","1","3","1") = "9"
    & skf18("10","10","8","4","1","4","1") = "9"
    & skf18("10","10","8","4","1","5","1") = "9"
    & skf18("10","10","8","4","1","6","1") = "9"
    & skf18("10","10","8","4","1","7","1") = "9"
    & skf18("10","10","8","4","1","8","1") = "9"
    & skf18("10","10","8","4","1","9","1") = "9"
    & skf18("10","10","8","4","1","10","1") = "9"
    & skf18("10","10","8","4","2","1","1") = "9"
    & skf18("10","10","8","4","2","2","1") = "9"
    & skf18("10","10","8","4","2","3","1") = "9"
    & skf18("10","10","8","4","2","4","1") = "9"
    & skf18("10","10","8","4","2","5","1") = "9"
    & skf18("10","10","8","4","2","6","1") = "9"
    & skf18("10","10","8","4","2","7","1") = "9"
    & skf18("10","10","8","4","2","8","1") = "9"
    & skf18("10","10","8","4","2","9","1") = "9"
    & skf18("10","10","8","4","2","10","1") = "9"
    & skf18("10","10","8","4","3","1","1") = "9"
    & skf18("10","10","8","4","3","2","1") = "9"
    & skf18("10","10","8","4","3","3","1") = "9"
    & skf18("10","10","8","4","3","4","1") = "9"
    & skf18("10","10","8","4","3","5","1") = "9"
    & skf18("10","10","8","4","3","6","1") = "9"
    & skf18("10","10","8","4","3","7","1") = "9"
    & skf18("10","10","8","4","3","8","1") = "9"
    & skf18("10","10","8","4","3","9","1") = "9"
    & skf18("10","10","8","4","3","10","1") = "9"
    & skf18("10","10","8","4","4","1","1") = "9"
    & skf18("10","10","8","4","4","2","1") = "9"
    & skf18("10","10","8","4","4","3","1") = "9"
    & skf18("10","10","8","4","4","4","1") = "9"
    & skf18("10","10","8","4","4","5","1") = "9"
    & skf18("10","10","8","4","4","6","1") = "9"
    & skf18("10","10","8","4","4","7","1") = "9"
    & skf18("10","10","8","4","4","8","1") = "9"
    & skf18("10","10","8","4","4","9","1") = "9"
    & skf18("10","10","8","4","4","10","1") = "9"
    & skf18("10","10","8","4","5","1","1") = "9"
    & skf18("10","10","8","4","5","2","1") = "9"
    & skf18("10","10","8","4","5","3","1") = "9"
    & skf18("10","10","8","4","5","4","1") = "9"
    & skf18("10","10","8","4","5","5","1") = "9"
    & skf18("10","10","8","4","5","6","1") = "9"
    & skf18("10","10","8","4","5","7","1") = "9"
    & skf18("10","10","8","4","5","8","1") = "9"
    & skf18("10","10","8","4","5","9","1") = "9"
    & skf18("10","10","8","4","5","10","1") = "9"
    & skf18("10","10","8","4","6","1","1") = "9"
    & skf18("10","10","8","4","6","2","1") = "9"
    & skf18("10","10","8","4","6","3","1") = "9"
    & skf18("10","10","8","4","6","4","1") = "9"
    & skf18("10","10","8","4","6","5","1") = "9"
    & skf18("10","10","8","4","6","6","1") = "9"
    & skf18("10","10","8","4","6","7","1") = "9"
    & skf18("10","10","8","4","6","8","1") = "9"
    & skf18("10","10","8","4","6","9","1") = "9"
    & skf18("10","10","8","4","6","10","1") = "9"
    & skf18("10","10","8","4","7","1","1") = "9"
    & skf18("10","10","8","4","7","2","1") = "9"
    & skf18("10","10","8","4","7","3","1") = "9"
    & skf18("10","10","8","4","7","4","1") = "9"
    & skf18("10","10","8","4","7","5","1") = "9"
    & skf18("10","10","8","4","7","6","1") = "9"
    & skf18("10","10","8","4","7","7","1") = "9"
    & skf18("10","10","8","4","7","8","1") = "9"
    & skf18("10","10","8","4","7","9","1") = "9"
    & skf18("10","10","8","4","7","10","1") = "9"
    & skf18("10","10","8","4","8","1","1") = "9"
    & skf18("10","10","8","4","8","2","1") = "9"
    & skf18("10","10","8","4","8","3","1") = "9"
    & skf18("10","10","8","4","8","4","1") = "9"
    & skf18("10","10","8","4","8","5","1") = "9"
    & skf18("10","10","8","4","8","6","1") = "9"
    & skf18("10","10","8","4","8","7","1") = "9"
    & skf18("10","10","8","4","8","8","1") = "9"
    & skf18("10","10","8","4","8","9","1") = "9"
    & skf18("10","10","8","4","8","10","1") = "9"
    & skf18("10","10","8","4","9","1","1") = "9"
    & skf18("10","10","8","4","9","2","1") = "9"
    & skf18("10","10","8","4","9","3","1") = "9"
    & skf18("10","10","8","4","9","4","1") = "9"
    & skf18("10","10","8","4","9","5","1") = "9"
    & skf18("10","10","8","4","9","6","1") = "9"
    & skf18("10","10","8","4","9","7","1") = "9"
    & skf18("10","10","8","4","9","8","1") = "9"
    & skf18("10","10","8","4","9","9","1") = "9"
    & skf18("10","10","8","4","9","10","1") = "9"
    & skf18("10","10","8","4","10","1","1") = "9"
    & skf18("10","10","8","4","10","2","1") = "9"
    & skf18("10","10","8","4","10","3","1") = "9"
    & skf18("10","10","8","4","10","4","1") = "9"
    & skf18("10","10","8","4","10","5","1") = "9"
    & skf18("10","10","8","4","10","6","1") = "9"
    & skf18("10","10","8","4","10","7","1") = "9"
    & skf18("10","10","8","4","10","8","1") = "9"
    & skf18("10","10","8","4","10","9","1") = "9"
    & skf18("10","10","8","4","10","10","1") = "9"
    & skf18("10","10","8","5","1","1","1") = "9"
    & skf18("10","10","8","5","1","2","1") = "9"
    & skf18("10","10","8","5","1","3","1") = "9"
    & skf18("10","10","8","5","1","4","1") = "9"
    & skf18("10","10","8","5","1","5","1") = "9"
    & skf18("10","10","8","5","1","6","1") = "9"
    & skf18("10","10","8","5","1","7","1") = "9"
    & skf18("10","10","8","5","1","8","1") = "9"
    & skf18("10","10","8","5","1","9","1") = "9"
    & skf18("10","10","8","5","1","10","1") = "9"
    & skf18("10","10","8","5","2","1","1") = "9"
    & skf18("10","10","8","5","2","2","1") = "9"
    & skf18("10","10","8","5","2","3","1") = "9"
    & skf18("10","10","8","5","2","4","1") = "9"
    & skf18("10","10","8","5","2","5","1") = "9"
    & skf18("10","10","8","5","2","6","1") = "9"
    & skf18("10","10","8","5","2","7","1") = "9"
    & skf18("10","10","8","5","2","8","1") = "9"
    & skf18("10","10","8","5","2","9","1") = "9"
    & skf18("10","10","8","5","2","10","1") = "9"
    & skf18("10","10","8","5","3","1","1") = "9"
    & skf18("10","10","8","5","3","2","1") = "9"
    & skf18("10","10","8","5","3","3","1") = "9"
    & skf18("10","10","8","5","3","4","1") = "9"
    & skf18("10","10","8","5","3","5","1") = "9"
    & skf18("10","10","8","5","3","6","1") = "9"
    & skf18("10","10","8","5","3","7","1") = "9"
    & skf18("10","10","8","5","3","8","1") = "9"
    & skf18("10","10","8","5","3","9","1") = "9"
    & skf18("10","10","8","5","3","10","1") = "9"
    & skf18("10","10","8","5","4","1","1") = "9"
    & skf18("10","10","8","5","4","2","1") = "9"
    & skf18("10","10","8","5","4","3","1") = "9"
    & skf18("10","10","8","5","4","4","1") = "9"
    & skf18("10","10","8","5","4","5","1") = "9"
    & skf18("10","10","8","5","4","6","1") = "9"
    & skf18("10","10","8","5","4","7","1") = "9"
    & skf18("10","10","8","5","4","8","1") = "9"
    & skf18("10","10","8","5","4","9","1") = "9"
    & skf18("10","10","8","5","4","10","1") = "9"
    & skf18("10","10","8","5","5","1","1") = "9"
    & skf18("10","10","8","5","5","2","1") = "9"
    & skf18("10","10","8","5","5","3","1") = "9"
    & skf18("10","10","8","5","5","4","1") = "9"
    & skf18("10","10","8","5","5","5","1") = "9"
    & skf18("10","10","8","5","5","6","1") = "9"
    & skf18("10","10","8","5","5","7","1") = "9"
    & skf18("10","10","8","5","5","8","1") = "9"
    & skf18("10","10","8","5","5","9","1") = "9"
    & skf18("10","10","8","5","5","10","1") = "9"
    & skf18("10","10","8","5","6","1","1") = "9"
    & skf18("10","10","8","5","6","2","1") = "9"
    & skf18("10","10","8","5","6","3","1") = "9"
    & skf18("10","10","8","5","6","4","1") = "9"
    & skf18("10","10","8","5","6","5","1") = "9"
    & skf18("10","10","8","5","6","6","1") = "9"
    & skf18("10","10","8","5","6","7","1") = "9"
    & skf18("10","10","8","5","6","8","1") = "9"
    & skf18("10","10","8","5","6","9","1") = "9"
    & skf18("10","10","8","5","6","10","1") = "9"
    & skf18("10","10","8","5","7","1","1") = "9"
    & skf18("10","10","8","5","7","2","1") = "9"
    & skf18("10","10","8","5","7","3","1") = "9"
    & skf18("10","10","8","5","7","4","1") = "9"
    & skf18("10","10","8","5","7","5","1") = "9"
    & skf18("10","10","8","5","7","6","1") = "9"
    & skf18("10","10","8","5","7","7","1") = "9"
    & skf18("10","10","8","5","7","8","1") = "9"
    & skf18("10","10","8","5","7","9","1") = "9"
    & skf18("10","10","8","5","7","10","1") = "9"
    & skf18("10","10","8","5","8","1","1") = "9"
    & skf18("10","10","8","5","8","2","1") = "9"
    & skf18("10","10","8","5","8","3","1") = "9"
    & skf18("10","10","8","5","8","4","1") = "9"
    & skf18("10","10","8","5","8","5","1") = "9"
    & skf18("10","10","8","5","8","6","1") = "9"
    & skf18("10","10","8","5","8","7","1") = "9"
    & skf18("10","10","8","5","8","8","1") = "9"
    & skf18("10","10","8","5","8","9","1") = "9"
    & skf18("10","10","8","5","8","10","1") = "9"
    & skf18("10","10","8","5","9","1","1") = "9"
    & skf18("10","10","8","5","9","2","1") = "9"
    & skf18("10","10","8","5","9","3","1") = "9"
    & skf18("10","10","8","5","9","4","1") = "9"
    & skf18("10","10","8","5","9","5","1") = "9"
    & skf18("10","10","8","5","9","6","1") = "9"
    & skf18("10","10","8","5","9","7","1") = "9"
    & skf18("10","10","8","5","9","8","1") = "9"
    & skf18("10","10","8","5","9","9","1") = "9"
    & skf18("10","10","8","5","9","10","1") = "9"
    & skf18("10","10","8","5","10","1","1") = "9"
    & skf18("10","10","8","5","10","2","1") = "9"
    & skf18("10","10","8","5","10","3","1") = "9"
    & skf18("10","10","8","5","10","4","1") = "9"
    & skf18("10","10","8","5","10","5","1") = "9"
    & skf18("10","10","8","5","10","6","1") = "9"
    & skf18("10","10","8","5","10","7","1") = "9"
    & skf18("10","10","8","5","10","8","1") = "9"
    & skf18("10","10","8","5","10","9","1") = "9"
    & skf18("10","10","8","5","10","10","1") = "9"
    & skf18("10","10","8","6","1","1","1") = "9"
    & skf18("10","10","8","6","1","2","1") = "9"
    & skf18("10","10","8","6","1","3","1") = "9"
    & skf18("10","10","8","6","1","4","1") = "9"
    & skf18("10","10","8","6","1","5","1") = "9"
    & skf18("10","10","8","6","1","6","1") = "9"
    & skf18("10","10","8","6","1","7","1") = "9"
    & skf18("10","10","8","6","1","8","1") = "9"
    & skf18("10","10","8","6","1","9","1") = "9"
    & skf18("10","10","8","6","1","10","1") = "9"
    & skf18("10","10","8","6","2","1","1") = "9"
    & skf18("10","10","8","6","2","2","1") = "9"
    & skf18("10","10","8","6","2","3","1") = "9"
    & skf18("10","10","8","6","2","4","1") = "9"
    & skf18("10","10","8","6","2","5","1") = "9"
    & skf18("10","10","8","6","2","6","1") = "9"
    & skf18("10","10","8","6","2","7","1") = "9"
    & skf18("10","10","8","6","2","8","1") = "9"
    & skf18("10","10","8","6","2","9","1") = "9"
    & skf18("10","10","8","6","2","10","1") = "9"
    & skf18("10","10","8","6","3","1","1") = "9"
    & skf18("10","10","8","6","3","2","1") = "9"
    & skf18("10","10","8","6","3","3","1") = "9"
    & skf18("10","10","8","6","3","4","1") = "9"
    & skf18("10","10","8","6","3","5","1") = "9"
    & skf18("10","10","8","6","3","6","1") = "9"
    & skf18("10","10","8","6","3","7","1") = "9"
    & skf18("10","10","8","6","3","8","1") = "9"
    & skf18("10","10","8","6","3","9","1") = "9"
    & skf18("10","10","8","6","3","10","1") = "9"
    & skf18("10","10","8","6","4","1","1") = "9"
    & skf18("10","10","8","6","4","2","1") = "9"
    & skf18("10","10","8","6","4","3","1") = "9"
    & skf18("10","10","8","6","4","4","1") = "9"
    & skf18("10","10","8","6","4","5","1") = "9"
    & skf18("10","10","8","6","4","6","1") = "9"
    & skf18("10","10","8","6","4","7","1") = "9"
    & skf18("10","10","8","6","4","8","1") = "9"
    & skf18("10","10","8","6","4","9","1") = "9"
    & skf18("10","10","8","6","4","10","1") = "9"
    & skf18("10","10","8","6","5","1","1") = "9"
    & skf18("10","10","8","6","5","2","1") = "9"
    & skf18("10","10","8","6","5","3","1") = "9"
    & skf18("10","10","8","6","5","4","1") = "9"
    & skf18("10","10","8","6","5","5","1") = "9"
    & skf18("10","10","8","6","5","6","1") = "9"
    & skf18("10","10","8","6","5","7","1") = "9"
    & skf18("10","10","8","6","5","8","1") = "9"
    & skf18("10","10","8","6","5","9","1") = "9"
    & skf18("10","10","8","6","5","10","1") = "9"
    & skf18("10","10","8","6","6","1","1") = "9"
    & skf18("10","10","8","6","6","2","1") = "9"
    & skf18("10","10","8","6","6","3","1") = "9"
    & skf18("10","10","8","6","6","4","1") = "9"
    & skf18("10","10","8","6","6","5","1") = "9"
    & skf18("10","10","8","6","6","6","1") = "9"
    & skf18("10","10","8","6","6","7","1") = "9"
    & skf18("10","10","8","6","6","8","1") = "9"
    & skf18("10","10","8","6","6","9","1") = "9"
    & skf18("10","10","8","6","6","10","1") = "9"
    & skf18("10","10","8","6","7","1","1") = "9"
    & skf18("10","10","8","6","7","2","1") = "9"
    & skf18("10","10","8","6","7","3","1") = "9"
    & skf18("10","10","8","6","7","4","1") = "9"
    & skf18("10","10","8","6","7","5","1") = "9"
    & skf18("10","10","8","6","7","6","1") = "9"
    & skf18("10","10","8","6","7","7","1") = "9"
    & skf18("10","10","8","6","7","8","1") = "9"
    & skf18("10","10","8","6","7","9","1") = "9"
    & skf18("10","10","8","6","7","10","1") = "9"
    & skf18("10","10","8","6","8","1","1") = "9"
    & skf18("10","10","8","6","8","2","1") = "9"
    & skf18("10","10","8","6","8","3","1") = "9"
    & skf18("10","10","8","6","8","4","1") = "9"
    & skf18("10","10","8","6","8","5","1") = "9"
    & skf18("10","10","8","6","8","6","1") = "9"
    & skf18("10","10","8","6","8","7","1") = "9"
    & skf18("10","10","8","6","8","8","1") = "9"
    & skf18("10","10","8","6","8","9","1") = "9"
    & skf18("10","10","8","6","8","10","1") = "9"
    & skf18("10","10","8","6","9","1","1") = "9"
    & skf18("10","10","8","6","9","2","1") = "9"
    & skf18("10","10","8","6","9","3","1") = "9"
    & skf18("10","10","8","6","9","4","1") = "9"
    & skf18("10","10","8","6","9","5","1") = "9"
    & skf18("10","10","8","6","9","6","1") = "9"
    & skf18("10","10","8","6","9","7","1") = "9"
    & skf18("10","10","8","6","9","8","1") = "9"
    & skf18("10","10","8","6","9","9","1") = "9"
    & skf18("10","10","8","6","9","10","1") = "9"
    & skf18("10","10","8","6","10","1","1") = "9"
    & skf18("10","10","8","6","10","2","1") = "9"
    & skf18("10","10","8","6","10","3","1") = "9"
    & skf18("10","10","8","6","10","4","1") = "9"
    & skf18("10","10","8","6","10","5","1") = "9"
    & skf18("10","10","8","6","10","6","1") = "9"
    & skf18("10","10","8","6","10","7","1") = "9"
    & skf18("10","10","8","6","10","8","1") = "9"
    & skf18("10","10","8","6","10","9","1") = "9"
    & skf18("10","10","8","6","10","10","1") = "9"
    & skf18("10","10","8","7","1","1","1") = "9"
    & skf18("10","10","8","7","1","2","1") = "9"
    & skf18("10","10","8","7","1","3","1") = "9"
    & skf18("10","10","8","7","1","4","1") = "9"
    & skf18("10","10","8","7","1","5","1") = "9"
    & skf18("10","10","8","7","1","6","1") = "9"
    & skf18("10","10","8","7","1","7","1") = "9"
    & skf18("10","10","8","7","1","8","1") = "9"
    & skf18("10","10","8","7","1","9","1") = "9"
    & skf18("10","10","8","7","1","10","1") = "9"
    & skf18("10","10","8","7","2","1","1") = "9"
    & skf18("10","10","8","7","2","2","1") = "9"
    & skf18("10","10","8","7","2","3","1") = "9"
    & skf18("10","10","8","7","2","4","1") = "9"
    & skf18("10","10","8","7","2","5","1") = "9"
    & skf18("10","10","8","7","2","6","1") = "9"
    & skf18("10","10","8","7","2","7","1") = "9"
    & skf18("10","10","8","7","2","8","1") = "9"
    & skf18("10","10","8","7","2","9","1") = "9"
    & skf18("10","10","8","7","2","10","1") = "9"
    & skf18("10","10","8","7","3","1","1") = "9"
    & skf18("10","10","8","7","3","2","1") = "9"
    & skf18("10","10","8","7","3","3","1") = "9"
    & skf18("10","10","8","7","3","4","1") = "9"
    & skf18("10","10","8","7","3","5","1") = "9"
    & skf18("10","10","8","7","3","6","1") = "9"
    & skf18("10","10","8","7","3","7","1") = "9"
    & skf18("10","10","8","7","3","8","1") = "9"
    & skf18("10","10","8","7","3","9","1") = "9"
    & skf18("10","10","8","7","3","10","1") = "9"
    & skf18("10","10","8","7","4","1","1") = "9"
    & skf18("10","10","8","7","4","2","1") = "9"
    & skf18("10","10","8","7","4","3","1") = "9"
    & skf18("10","10","8","7","4","4","1") = "9"
    & skf18("10","10","8","7","4","5","1") = "9"
    & skf18("10","10","8","7","4","6","1") = "9"
    & skf18("10","10","8","7","4","7","1") = "9"
    & skf18("10","10","8","7","4","8","1") = "9"
    & skf18("10","10","8","7","4","9","1") = "9"
    & skf18("10","10","8","7","4","10","1") = "9"
    & skf18("10","10","8","7","5","1","1") = "9"
    & skf18("10","10","8","7","5","2","1") = "9"
    & skf18("10","10","8","7","5","3","1") = "9"
    & skf18("10","10","8","7","5","4","1") = "9"
    & skf18("10","10","8","7","5","5","1") = "9"
    & skf18("10","10","8","7","5","6","1") = "9"
    & skf18("10","10","8","7","5","7","1") = "9"
    & skf18("10","10","8","7","5","8","1") = "9"
    & skf18("10","10","8","7","5","9","1") = "9"
    & skf18("10","10","8","7","5","10","1") = "9"
    & skf18("10","10","8","7","6","1","1") = "9"
    & skf18("10","10","8","7","6","2","1") = "9"
    & skf18("10","10","8","7","6","3","1") = "9"
    & skf18("10","10","8","7","6","4","1") = "9"
    & skf18("10","10","8","7","6","5","1") = "9"
    & skf18("10","10","8","7","6","6","1") = "9"
    & skf18("10","10","8","7","6","7","1") = "9"
    & skf18("10","10","8","7","6","8","1") = "9"
    & skf18("10","10","8","7","6","9","1") = "9"
    & skf18("10","10","8","7","6","10","1") = "9"
    & skf18("10","10","8","7","7","1","1") = "9"
    & skf18("10","10","8","7","7","2","1") = "9"
    & skf18("10","10","8","7","7","3","1") = "9"
    & skf18("10","10","8","7","7","4","1") = "9"
    & skf18("10","10","8","7","7","5","1") = "9"
    & skf18("10","10","8","7","7","6","1") = "9"
    & skf18("10","10","8","7","7","7","1") = "9"
    & skf18("10","10","8","7","7","8","1") = "9"
    & skf18("10","10","8","7","7","9","1") = "9"
    & skf18("10","10","8","7","7","10","1") = "9"
    & skf18("10","10","8","7","8","1","1") = "9"
    & skf18("10","10","8","7","8","2","1") = "9"
    & skf18("10","10","8","7","8","3","1") = "9"
    & skf18("10","10","8","7","8","4","1") = "9"
    & skf18("10","10","8","7","8","5","1") = "9"
    & skf18("10","10","8","7","8","6","1") = "9"
    & skf18("10","10","8","7","8","7","1") = "9"
    & skf18("10","10","8","7","8","8","1") = "9"
    & skf18("10","10","8","7","8","9","1") = "9"
    & skf18("10","10","8","7","8","10","1") = "9"
    & skf18("10","10","8","7","9","1","1") = "9"
    & skf18("10","10","8","7","9","2","1") = "9"
    & skf18("10","10","8","7","9","3","1") = "9"
    & skf18("10","10","8","7","9","4","1") = "9"
    & skf18("10","10","8","7","9","5","1") = "9"
    & skf18("10","10","8","7","9","6","1") = "9"
    & skf18("10","10","8","7","9","7","1") = "9"
    & skf18("10","10","8","7","9","8","1") = "9"
    & skf18("10","10","8","7","9","9","1") = "9"
    & skf18("10","10","8","7","9","10","1") = "9"
    & skf18("10","10","8","7","10","1","1") = "9"
    & skf18("10","10","8","7","10","2","1") = "9"
    & skf18("10","10","8","7","10","3","1") = "9"
    & skf18("10","10","8","7","10","4","1") = "9"
    & skf18("10","10","8","7","10","5","1") = "9"
    & skf18("10","10","8","7","10","6","1") = "9"
    & skf18("10","10","8","7","10","7","1") = "9"
    & skf18("10","10","8","7","10","8","1") = "9"
    & skf18("10","10","8","7","10","9","1") = "9"
    & skf18("10","10","8","7","10","10","1") = "9"
    & skf18("10","10","8","8","1","1","1") = "9"
    & skf18("10","10","8","8","1","2","1") = "9"
    & skf18("10","10","8","8","1","3","1") = "9"
    & skf18("10","10","8","8","1","4","1") = "9"
    & skf18("10","10","8","8","1","5","1") = "9"
    & skf18("10","10","8","8","1","6","1") = "9"
    & skf18("10","10","8","8","1","7","1") = "9"
    & skf18("10","10","8","8","1","8","1") = "9"
    & skf18("10","10","8","8","1","9","1") = "9"
    & skf18("10","10","8","8","1","10","1") = "9"
    & skf18("10","10","8","8","2","1","1") = "9"
    & skf18("10","10","8","8","2","2","1") = "9"
    & skf18("10","10","8","8","2","3","1") = "9"
    & skf18("10","10","8","8","2","4","1") = "9"
    & skf18("10","10","8","8","2","5","1") = "9"
    & skf18("10","10","8","8","2","6","1") = "9"
    & skf18("10","10","8","8","2","7","1") = "9"
    & skf18("10","10","8","8","2","8","1") = "9"
    & skf18("10","10","8","8","2","9","1") = "9"
    & skf18("10","10","8","8","2","10","1") = "9"
    & skf18("10","10","8","8","3","1","1") = "9"
    & skf18("10","10","8","8","3","2","1") = "9"
    & skf18("10","10","8","8","3","3","1") = "9"
    & skf18("10","10","8","8","3","4","1") = "9"
    & skf18("10","10","8","8","3","5","1") = "9"
    & skf18("10","10","8","8","3","6","1") = "9"
    & skf18("10","10","8","8","3","7","1") = "9"
    & skf18("10","10","8","8","3","8","1") = "9"
    & skf18("10","10","8","8","3","9","1") = "9"
    & skf18("10","10","8","8","3","10","1") = "9"
    & skf18("10","10","8","8","4","1","1") = "9"
    & skf18("10","10","8","8","4","2","1") = "9"
    & skf18("10","10","8","8","4","3","1") = "9"
    & skf18("10","10","8","8","4","4","1") = "9"
    & skf18("10","10","8","8","4","5","1") = "9"
    & skf18("10","10","8","8","4","6","1") = "9"
    & skf18("10","10","8","8","4","7","1") = "9"
    & skf18("10","10","8","8","4","8","1") = "9"
    & skf18("10","10","8","8","4","9","1") = "9"
    & skf18("10","10","8","8","4","10","1") = "9"
    & skf18("10","10","8","8","5","1","1") = "9"
    & skf18("10","10","8","8","5","2","1") = "9"
    & skf18("10","10","8","8","5","3","1") = "9"
    & skf18("10","10","8","8","5","4","1") = "9"
    & skf18("10","10","8","8","5","5","1") = "9"
    & skf18("10","10","8","8","5","6","1") = "9"
    & skf18("10","10","8","8","5","7","1") = "9"
    & skf18("10","10","8","8","5","8","1") = "9"
    & skf18("10","10","8","8","5","9","1") = "9"
    & skf18("10","10","8","8","5","10","1") = "9"
    & skf18("10","10","8","8","6","1","1") = "9"
    & skf18("10","10","8","8","6","2","1") = "9"
    & skf18("10","10","8","8","6","3","1") = "9"
    & skf18("10","10","8","8","6","4","1") = "9"
    & skf18("10","10","8","8","6","5","1") = "9"
    & skf18("10","10","8","8","6","6","1") = "9"
    & skf18("10","10","8","8","6","7","1") = "9"
    & skf18("10","10","8","8","6","8","1") = "9"
    & skf18("10","10","8","8","6","9","1") = "9"
    & skf18("10","10","8","8","6","10","1") = "9"
    & skf18("10","10","8","8","7","1","1") = "9"
    & skf18("10","10","8","8","7","2","1") = "9"
    & skf18("10","10","8","8","7","3","1") = "9"
    & skf18("10","10","8","8","7","4","1") = "9"
    & skf18("10","10","8","8","7","5","1") = "9"
    & skf18("10","10","8","8","7","6","1") = "9"
    & skf18("10","10","8","8","7","7","1") = "9"
    & skf18("10","10","8","8","7","8","1") = "9"
    & skf18("10","10","8","8","7","9","1") = "9"
    & skf18("10","10","8","8","7","10","1") = "9"
    & skf18("10","10","8","8","8","1","1") = "9"
    & skf18("10","10","8","8","8","2","1") = "9"
    & skf18("10","10","8","8","8","3","1") = "9"
    & skf18("10","10","8","8","8","4","1") = "9"
    & skf18("10","10","8","8","8","5","1") = "9"
    & skf18("10","10","8","8","8","6","1") = "9"
    & skf18("10","10","8","8","8","7","1") = "9"
    & skf18("10","10","8","8","8","8","1") = "9"
    & skf18("10","10","8","8","8","9","1") = "9"
    & skf18("10","10","8","8","8","10","1") = "9"
    & skf18("10","10","8","8","9","1","1") = "9"
    & skf18("10","10","8","8","9","2","1") = "9"
    & skf18("10","10","8","8","9","3","1") = "9"
    & skf18("10","10","8","8","9","4","1") = "9"
    & skf18("10","10","8","8","9","5","1") = "9"
    & skf18("10","10","8","8","9","6","1") = "9"
    & skf18("10","10","8","8","9","7","1") = "9"
    & skf18("10","10","8","8","9","8","1") = "9"
    & skf18("10","10","8","8","9","9","1") = "9"
    & skf18("10","10","8","8","9","10","1") = "9"
    & skf18("10","10","8","8","10","1","1") = "9"
    & skf18("10","10","8","8","10","2","1") = "9"
    & skf18("10","10","8","8","10","3","1") = "9"
    & skf18("10","10","8","8","10","4","1") = "9"
    & skf18("10","10","8","8","10","5","1") = "9"
    & skf18("10","10","8","8","10","6","1") = "9"
    & skf18("10","10","8","8","10","7","1") = "9"
    & skf18("10","10","8","8","10","8","1") = "9"
    & skf18("10","10","8","8","10","9","1") = "9"
    & skf18("10","10","8","8","10","10","1") = "9"
    & skf18("10","10","8","9","1","1","1") = "9"
    & skf18("10","10","8","9","1","2","1") = "9"
    & skf18("10","10","8","9","1","3","1") = "9"
    & skf18("10","10","8","9","1","4","1") = "9"
    & skf18("10","10","8","9","1","5","1") = "9"
    & skf18("10","10","8","9","1","6","1") = "9"
    & skf18("10","10","8","9","1","7","1") = "9"
    & skf18("10","10","8","9","1","8","1") = "9"
    & skf18("10","10","8","9","1","9","1") = "9"
    & skf18("10","10","8","9","1","10","1") = "9"
    & skf18("10","10","8","9","2","1","1") = "9"
    & skf18("10","10","8","9","2","2","1") = "9"
    & skf18("10","10","8","9","2","3","1") = "9"
    & skf18("10","10","8","9","2","4","1") = "9"
    & skf18("10","10","8","9","2","5","1") = "9"
    & skf18("10","10","8","9","2","6","1") = "9"
    & skf18("10","10","8","9","2","7","1") = "9"
    & skf18("10","10","8","9","2","8","1") = "9"
    & skf18("10","10","8","9","2","9","1") = "9"
    & skf18("10","10","8","9","2","10","1") = "9"
    & skf18("10","10","8","9","3","1","1") = "9"
    & skf18("10","10","8","9","3","2","1") = "9"
    & skf18("10","10","8","9","3","3","1") = "9"
    & skf18("10","10","8","9","3","4","1") = "9"
    & skf18("10","10","8","9","3","5","1") = "9"
    & skf18("10","10","8","9","3","6","1") = "9"
    & skf18("10","10","8","9","3","7","1") = "9"
    & skf18("10","10","8","9","3","8","1") = "9"
    & skf18("10","10","8","9","3","9","1") = "9"
    & skf18("10","10","8","9","3","10","1") = "9"
    & skf18("10","10","8","9","4","1","1") = "9"
    & skf18("10","10","8","9","4","2","1") = "9"
    & skf18("10","10","8","9","4","3","1") = "9"
    & skf18("10","10","8","9","4","4","1") = "9"
    & skf18("10","10","8","9","4","5","1") = "9"
    & skf18("10","10","8","9","4","6","1") = "9"
    & skf18("10","10","8","9","4","7","1") = "9"
    & skf18("10","10","8","9","4","8","1") = "9"
    & skf18("10","10","8","9","4","9","1") = "9"
    & skf18("10","10","8","9","4","10","1") = "9"
    & skf18("10","10","8","9","5","1","1") = "9"
    & skf18("10","10","8","9","5","2","1") = "9"
    & skf18("10","10","8","9","5","3","1") = "9"
    & skf18("10","10","8","9","5","4","1") = "9"
    & skf18("10","10","8","9","5","5","1") = "9"
    & skf18("10","10","8","9","5","6","1") = "9"
    & skf18("10","10","8","9","5","7","1") = "9"
    & skf18("10","10","8","9","5","8","1") = "9"
    & skf18("10","10","8","9","5","9","1") = "9"
    & skf18("10","10","8","9","5","10","1") = "9"
    & skf18("10","10","8","9","6","1","1") = "9"
    & skf18("10","10","8","9","6","2","1") = "9"
    & skf18("10","10","8","9","6","3","1") = "9"
    & skf18("10","10","8","9","6","4","1") = "9"
    & skf18("10","10","8","9","6","5","1") = "9"
    & skf18("10","10","8","9","6","6","1") = "9"
    & skf18("10","10","8","9","6","7","1") = "9"
    & skf18("10","10","8","9","6","8","1") = "9"
    & skf18("10","10","8","9","6","9","1") = "9"
    & skf18("10","10","8","9","6","10","1") = "9"
    & skf18("10","10","8","9","7","1","1") = "9"
    & skf18("10","10","8","9","7","2","1") = "9"
    & skf18("10","10","8","9","7","3","1") = "9"
    & skf18("10","10","8","9","7","4","1") = "9"
    & skf18("10","10","8","9","7","5","1") = "9"
    & skf18("10","10","8","9","7","6","1") = "9"
    & skf18("10","10","8","9","7","7","1") = "9"
    & skf18("10","10","8","9","7","8","1") = "9"
    & skf18("10","10","8","9","7","9","1") = "9"
    & skf18("10","10","8","9","7","10","1") = "9"
    & skf18("10","10","8","9","8","1","1") = "9"
    & skf18("10","10","8","9","8","2","1") = "9"
    & skf18("10","10","8","9","8","3","1") = "9"
    & skf18("10","10","8","9","8","4","1") = "9"
    & skf18("10","10","8","9","8","5","1") = "9"
    & skf18("10","10","8","9","8","6","1") = "9"
    & skf18("10","10","8","9","8","7","1") = "9"
    & skf18("10","10","8","9","8","8","1") = "9"
    & skf18("10","10","8","9","8","9","1") = "9"
    & skf18("10","10","8","9","8","10","1") = "9"
    & skf18("10","10","8","9","9","1","1") = "9"
    & skf18("10","10","8","9","9","2","1") = "9"
    & skf18("10","10","8","9","9","3","1") = "9"
    & skf18("10","10","8","9","9","4","1") = "9"
    & skf18("10","10","8","9","9","5","1") = "9"
    & skf18("10","10","8","9","9","6","1") = "9"
    & skf18("10","10","8","9","9","7","1") = "9"
    & skf18("10","10","8","9","9","8","1") = "9"
    & skf18("10","10","8","9","9","9","1") = "9"
    & skf18("10","10","8","9","9","10","1") = "9"
    & skf18("10","10","8","9","10","1","1") = "9"
    & skf18("10","10","8","9","10","2","1") = "9"
    & skf18("10","10","8","9","10","3","1") = "9"
    & skf18("10","10","8","9","10","4","1") = "9"
    & skf18("10","10","8","9","10","5","1") = "9"
    & skf18("10","10","8","9","10","6","1") = "9"
    & skf18("10","10","8","9","10","7","1") = "9"
    & skf18("10","10","8","9","10","8","1") = "9"
    & skf18("10","10","8","9","10","9","1") = "9"
    & skf18("10","10","8","9","10","10","1") = "9"
    & skf18("10","10","8","10","1","1","1") = "9"
    & skf18("10","10","8","10","1","2","1") = "9"
    & skf18("10","10","8","10","1","3","1") = "9"
    & skf18("10","10","8","10","1","4","1") = "9"
    & skf18("10","10","8","10","1","5","1") = "9"
    & skf18("10","10","8","10","1","6","1") = "9"
    & skf18("10","10","8","10","1","7","1") = "9"
    & skf18("10","10","8","10","1","8","1") = "9"
    & skf18("10","10","8","10","1","9","1") = "9"
    & skf18("10","10","8","10","1","10","1") = "9"
    & skf18("10","10","8","10","2","1","1") = "9"
    & skf18("10","10","8","10","2","2","1") = "9"
    & skf18("10","10","8","10","2","3","1") = "9"
    & skf18("10","10","8","10","2","4","1") = "9"
    & skf18("10","10","8","10","2","5","1") = "9"
    & skf18("10","10","8","10","2","6","1") = "9"
    & skf18("10","10","8","10","2","7","1") = "9"
    & skf18("10","10","8","10","2","8","1") = "9"
    & skf18("10","10","8","10","2","9","1") = "9"
    & skf18("10","10","8","10","2","10","1") = "9"
    & skf18("10","10","8","10","3","1","1") = "9"
    & skf18("10","10","8","10","3","2","1") = "9"
    & skf18("10","10","8","10","3","3","1") = "9"
    & skf18("10","10","8","10","3","4","1") = "9"
    & skf18("10","10","8","10","3","5","1") = "9"
    & skf18("10","10","8","10","3","6","1") = "9"
    & skf18("10","10","8","10","3","7","1") = "9"
    & skf18("10","10","8","10","3","8","1") = "9"
    & skf18("10","10","8","10","3","9","1") = "9"
    & skf18("10","10","8","10","3","10","1") = "9"
    & skf18("10","10","8","10","4","1","1") = "9"
    & skf18("10","10","8","10","4","2","1") = "9"
    & skf18("10","10","8","10","4","3","1") = "9"
    & skf18("10","10","8","10","4","4","1") = "9"
    & skf18("10","10","8","10","4","5","1") = "9"
    & skf18("10","10","8","10","4","6","1") = "9"
    & skf18("10","10","8","10","4","7","1") = "9"
    & skf18("10","10","8","10","4","8","1") = "9"
    & skf18("10","10","8","10","4","9","1") = "9"
    & skf18("10","10","8","10","4","10","1") = "9"
    & skf18("10","10","8","10","5","1","1") = "9"
    & skf18("10","10","8","10","5","2","1") = "9"
    & skf18("10","10","8","10","5","3","1") = "9"
    & skf18("10","10","8","10","5","4","1") = "9"
    & skf18("10","10","8","10","5","5","1") = "9"
    & skf18("10","10","8","10","5","6","1") = "9"
    & skf18("10","10","8","10","5","7","1") = "9"
    & skf18("10","10","8","10","5","8","1") = "9"
    & skf18("10","10","8","10","5","9","1") = "9"
    & skf18("10","10","8","10","5","10","1") = "9"
    & skf18("10","10","8","10","6","1","1") = "9"
    & skf18("10","10","8","10","6","2","1") = "9"
    & skf18("10","10","8","10","6","3","1") = "9"
    & skf18("10","10","8","10","6","4","1") = "9"
    & skf18("10","10","8","10","6","5","1") = "9"
    & skf18("10","10","8","10","6","6","1") = "9"
    & skf18("10","10","8","10","6","7","1") = "9"
    & skf18("10","10","8","10","6","8","1") = "9"
    & skf18("10","10","8","10","6","9","1") = "9"
    & skf18("10","10","8","10","6","10","1") = "9"
    & skf18("10","10","8","10","7","1","1") = "9"
    & skf18("10","10","8","10","7","2","1") = "9"
    & skf18("10","10","8","10","7","3","1") = "9"
    & skf18("10","10","8","10","7","4","1") = "9"
    & skf18("10","10","8","10","7","5","1") = "9"
    & skf18("10","10","8","10","7","6","1") = "9"
    & skf18("10","10","8","10","7","7","1") = "9"
    & skf18("10","10","8","10","7","8","1") = "9"
    & skf18("10","10","8","10","7","9","1") = "9"
    & skf18("10","10","8","10","7","10","1") = "9"
    & skf18("10","10","8","10","8","1","1") = "9"
    & skf18("10","10","8","10","8","2","1") = "9"
    & skf18("10","10","8","10","8","3","1") = "9"
    & skf18("10","10","8","10","8","4","1") = "9"
    & skf18("10","10","8","10","8","5","1") = "9"
    & skf18("10","10","8","10","8","6","1") = "9"
    & skf18("10","10","8","10","8","7","1") = "9"
    & skf18("10","10","8","10","8","8","1") = "9"
    & skf18("10","10","8","10","8","9","1") = "9"
    & skf18("10","10","8","10","8","10","1") = "9"
    & skf18("10","10","8","10","9","1","1") = "9"
    & skf18("10","10","8","10","9","2","1") = "9"
    & skf18("10","10","8","10","9","3","1") = "9"
    & skf18("10","10","8","10","9","4","1") = "9"
    & skf18("10","10","8","10","9","5","1") = "9"
    & skf18("10","10","8","10","9","6","1") = "9"
    & skf18("10","10","8","10","9","7","1") = "9"
    & skf18("10","10","8","10","9","8","1") = "9"
    & skf18("10","10","8","10","9","9","1") = "9"
    & skf18("10","10","8","10","9","10","1") = "9"
    & skf18("10","10","8","10","10","1","1") = "9"
    & skf18("10","10","8","10","10","2","1") = "9"
    & skf18("10","10","8","10","10","3","1") = "9"
    & skf18("10","10","8","10","10","4","1") = "9"
    & skf18("10","10","8","10","10","5","1") = "9"
    & skf18("10","10","8","10","10","6","1") = "9"
    & skf18("10","10","8","10","10","7","1") = "9"
    & skf18("10","10","8","10","10","8","1") = "9"
    & skf18("10","10","8","10","10","9","1") = "9"
    & skf18("10","10","8","10","10","10","1") = "9"
    & skf18("10","10","9","1","1","1","1") = "9"
    & skf18("10","10","9","1","1","2","1") = "9"
    & skf18("10","10","9","1","1","3","1") = "9"
    & skf18("10","10","9","1","1","4","1") = "9"
    & skf18("10","10","9","1","1","5","1") = "9"
    & skf18("10","10","9","1","1","6","1") = "9"
    & skf18("10","10","9","1","1","7","1") = "9"
    & skf18("10","10","9","1","1","8","1") = "9"
    & skf18("10","10","9","1","1","9","1") = "9"
    & skf18("10","10","9","1","1","10","1") = "9"
    & skf18("10","10","9","1","2","1","1") = "9"
    & skf18("10","10","9","1","2","2","1") = "9"
    & skf18("10","10","9","1","2","3","1") = "9"
    & skf18("10","10","9","1","2","4","1") = "9"
    & skf18("10","10","9","1","2","5","1") = "9"
    & skf18("10","10","9","1","2","6","1") = "9"
    & skf18("10","10","9","1","2","7","1") = "9"
    & skf18("10","10","9","1","2","8","1") = "9"
    & skf18("10","10","9","1","2","9","1") = "9"
    & skf18("10","10","9","1","2","10","1") = "9"
    & skf18("10","10","9","1","3","1","1") = "9"
    & skf18("10","10","9","1","3","2","1") = "9"
    & skf18("10","10","9","1","3","3","1") = "9"
    & skf18("10","10","9","1","3","4","1") = "9"
    & skf18("10","10","9","1","3","5","1") = "9"
    & skf18("10","10","9","1","3","6","1") = "9"
    & skf18("10","10","9","1","3","7","1") = "9"
    & skf18("10","10","9","1","3","8","1") = "9"
    & skf18("10","10","9","1","3","9","1") = "9"
    & skf18("10","10","9","1","3","10","1") = "9"
    & skf18("10","10","9","1","4","1","1") = "9"
    & skf18("10","10","9","1","4","2","1") = "9"
    & skf18("10","10","9","1","4","3","1") = "9"
    & skf18("10","10","9","1","4","4","1") = "9"
    & skf18("10","10","9","1","4","5","1") = "9"
    & skf18("10","10","9","1","4","6","1") = "9"
    & skf18("10","10","9","1","4","7","1") = "9"
    & skf18("10","10","9","1","4","8","1") = "9"
    & skf18("10","10","9","1","4","9","1") = "9"
    & skf18("10","10","9","1","4","10","1") = "9"
    & skf18("10","10","9","1","5","1","1") = "9"
    & skf18("10","10","9","1","5","2","1") = "9"
    & skf18("10","10","9","1","5","3","1") = "9"
    & skf18("10","10","9","1","5","4","1") = "9"
    & skf18("10","10","9","1","5","5","1") = "9"
    & skf18("10","10","9","1","5","6","1") = "9"
    & skf18("10","10","9","1","5","7","1") = "9"
    & skf18("10","10","9","1","5","8","1") = "9"
    & skf18("10","10","9","1","5","9","1") = "9"
    & skf18("10","10","9","1","5","10","1") = "9"
    & skf18("10","10","9","1","6","1","1") = "9"
    & skf18("10","10","9","1","6","2","1") = "9"
    & skf18("10","10","9","1","6","3","1") = "9"
    & skf18("10","10","9","1","6","4","1") = "9"
    & skf18("10","10","9","1","6","5","1") = "9"
    & skf18("10","10","9","1","6","6","1") = "9"
    & skf18("10","10","9","1","6","7","1") = "9"
    & skf18("10","10","9","1","6","8","1") = "9"
    & skf18("10","10","9","1","6","9","1") = "9"
    & skf18("10","10","9","1","6","10","1") = "9"
    & skf18("10","10","9","1","7","1","1") = "9"
    & skf18("10","10","9","1","7","2","1") = "9"
    & skf18("10","10","9","1","7","3","1") = "9"
    & skf18("10","10","9","1","7","4","1") = "9"
    & skf18("10","10","9","1","7","5","1") = "9"
    & skf18("10","10","9","1","7","6","1") = "9"
    & skf18("10","10","9","1","7","7","1") = "9"
    & skf18("10","10","9","1","7","8","1") = "9"
    & skf18("10","10","9","1","7","9","1") = "9"
    & skf18("10","10","9","1","7","10","1") = "9"
    & skf18("10","10","9","1","8","1","1") = "9"
    & skf18("10","10","9","1","8","2","1") = "9"
    & skf18("10","10","9","1","8","3","1") = "9"
    & skf18("10","10","9","1","8","4","1") = "9"
    & skf18("10","10","9","1","8","5","1") = "9"
    & skf18("10","10","9","1","8","6","1") = "9"
    & skf18("10","10","9","1","8","7","1") = "9"
    & skf18("10","10","9","1","8","8","1") = "9"
    & skf18("10","10","9","1","8","9","1") = "9"
    & skf18("10","10","9","1","8","10","1") = "9"
    & skf18("10","10","9","1","9","1","1") = "9"
    & skf18("10","10","9","1","9","2","1") = "9"
    & skf18("10","10","9","1","9","3","1") = "9"
    & skf18("10","10","9","1","9","4","1") = "9"
    & skf18("10","10","9","1","9","5","1") = "9"
    & skf18("10","10","9","1","9","6","1") = "9"
    & skf18("10","10","9","1","9","7","1") = "9"
    & skf18("10","10","9","1","9","8","1") = "9"
    & skf18("10","10","9","1","9","9","1") = "9"
    & skf18("10","10","9","1","9","10","1") = "9"
    & skf18("10","10","9","1","10","1","1") = "9"
    & skf18("10","10","9","1","10","2","1") = "9"
    & skf18("10","10","9","1","10","3","1") = "9"
    & skf18("10","10","9","1","10","4","1") = "9"
    & skf18("10","10","9","1","10","5","1") = "9"
    & skf18("10","10","9","1","10","6","1") = "9"
    & skf18("10","10","9","1","10","7","1") = "9"
    & skf18("10","10","9","1","10","8","1") = "9"
    & skf18("10","10","9","1","10","9","1") = "9"
    & skf18("10","10","9","1","10","10","1") = "9"
    & skf18("10","10","9","2","1","1","1") = "9"
    & skf18("10","10","9","2","1","2","1") = "9"
    & skf18("10","10","9","2","1","3","1") = "9"
    & skf18("10","10","9","2","1","4","1") = "9"
    & skf18("10","10","9","2","1","5","1") = "9"
    & skf18("10","10","9","2","1","6","1") = "9"
    & skf18("10","10","9","2","1","7","1") = "9"
    & skf18("10","10","9","2","1","8","1") = "9"
    & skf18("10","10","9","2","1","9","1") = "9"
    & skf18("10","10","9","2","1","10","1") = "9"
    & skf18("10","10","9","2","2","1","1") = "9"
    & skf18("10","10","9","2","2","2","1") = "9"
    & skf18("10","10","9","2","2","3","1") = "9"
    & skf18("10","10","9","2","2","4","1") = "9"
    & skf18("10","10","9","2","2","5","1") = "9"
    & skf18("10","10","9","2","2","6","1") = "9"
    & skf18("10","10","9","2","2","7","1") = "9"
    & skf18("10","10","9","2","2","8","1") = "9"
    & skf18("10","10","9","2","2","9","1") = "9"
    & skf18("10","10","9","2","2","10","1") = "9"
    & skf18("10","10","9","2","3","1","1") = "9"
    & skf18("10","10","9","2","3","2","1") = "9"
    & skf18("10","10","9","2","3","3","1") = "9"
    & skf18("10","10","9","2","3","4","1") = "9"
    & skf18("10","10","9","2","3","5","1") = "9"
    & skf18("10","10","9","2","3","6","1") = "9"
    & skf18("10","10","9","2","3","7","1") = "9"
    & skf18("10","10","9","2","3","8","1") = "9"
    & skf18("10","10","9","2","3","9","1") = "9"
    & skf18("10","10","9","2","3","10","1") = "9"
    & skf18("10","10","9","2","4","1","1") = "9"
    & skf18("10","10","9","2","4","2","1") = "9"
    & skf18("10","10","9","2","4","3","1") = "9"
    & skf18("10","10","9","2","4","4","1") = "9"
    & skf18("10","10","9","2","4","5","1") = "9"
    & skf18("10","10","9","2","4","6","1") = "9"
    & skf18("10","10","9","2","4","7","1") = "9"
    & skf18("10","10","9","2","4","8","1") = "9"
    & skf18("10","10","9","2","4","9","1") = "9"
    & skf18("10","10","9","2","4","10","1") = "9"
    & skf18("10","10","9","2","5","1","1") = "9"
    & skf18("10","10","9","2","5","2","1") = "9"
    & skf18("10","10","9","2","5","3","1") = "9"
    & skf18("10","10","9","2","5","4","1") = "9"
    & skf18("10","10","9","2","5","5","1") = "9"
    & skf18("10","10","9","2","5","6","1") = "9"
    & skf18("10","10","9","2","5","7","1") = "9"
    & skf18("10","10","9","2","5","8","1") = "9"
    & skf18("10","10","9","2","5","9","1") = "9"
    & skf18("10","10","9","2","5","10","1") = "9"
    & skf18("10","10","9","2","6","1","1") = "9"
    & skf18("10","10","9","2","6","2","1") = "9"
    & skf18("10","10","9","2","6","3","1") = "9"
    & skf18("10","10","9","2","6","4","1") = "9"
    & skf18("10","10","9","2","6","5","1") = "9"
    & skf18("10","10","9","2","6","6","1") = "9"
    & skf18("10","10","9","2","6","7","1") = "9"
    & skf18("10","10","9","2","6","8","1") = "9"
    & skf18("10","10","9","2","6","9","1") = "9"
    & skf18("10","10","9","2","6","10","1") = "9"
    & skf18("10","10","9","2","7","1","1") = "9"
    & skf18("10","10","9","2","7","2","1") = "9"
    & skf18("10","10","9","2","7","3","1") = "9"
    & skf18("10","10","9","2","7","4","1") = "9"
    & skf18("10","10","9","2","7","5","1") = "9"
    & skf18("10","10","9","2","7","6","1") = "9"
    & skf18("10","10","9","2","7","7","1") = "9"
    & skf18("10","10","9","2","7","8","1") = "9"
    & skf18("10","10","9","2","7","9","1") = "9"
    & skf18("10","10","9","2","7","10","1") = "9"
    & skf18("10","10","9","2","8","1","1") = "9"
    & skf18("10","10","9","2","8","2","1") = "9"
    & skf18("10","10","9","2","8","3","1") = "9"
    & skf18("10","10","9","2","8","4","1") = "9"
    & skf18("10","10","9","2","8","5","1") = "9"
    & skf18("10","10","9","2","8","6","1") = "9"
    & skf18("10","10","9","2","8","7","1") = "9"
    & skf18("10","10","9","2","8","8","1") = "9"
    & skf18("10","10","9","2","8","9","1") = "9"
    & skf18("10","10","9","2","8","10","1") = "9"
    & skf18("10","10","9","2","9","1","1") = "9"
    & skf18("10","10","9","2","9","2","1") = "9"
    & skf18("10","10","9","2","9","3","1") = "9"
    & skf18("10","10","9","2","9","4","1") = "9"
    & skf18("10","10","9","2","9","5","1") = "9"
    & skf18("10","10","9","2","9","6","1") = "9"
    & skf18("10","10","9","2","9","7","1") = "9"
    & skf18("10","10","9","2","9","8","1") = "9"
    & skf18("10","10","9","2","9","9","1") = "9"
    & skf18("10","10","9","2","9","10","1") = "9"
    & skf18("10","10","9","2","10","1","1") = "9"
    & skf18("10","10","9","2","10","2","1") = "9"
    & skf18("10","10","9","2","10","3","1") = "9"
    & skf18("10","10","9","2","10","4","1") = "9"
    & skf18("10","10","9","2","10","5","1") = "9"
    & skf18("10","10","9","2","10","6","1") = "9"
    & skf18("10","10","9","2","10","7","1") = "9"
    & skf18("10","10","9","2","10","8","1") = "9"
    & skf18("10","10","9","2","10","9","1") = "9"
    & skf18("10","10","9","2","10","10","1") = "9"
    & skf18("10","10","9","3","1","1","1") = "9"
    & skf18("10","10","9","3","1","2","1") = "9"
    & skf18("10","10","9","3","1","3","1") = "9"
    & skf18("10","10","9","3","1","4","1") = "9"
    & skf18("10","10","9","3","1","5","1") = "9"
    & skf18("10","10","9","3","1","6","1") = "9"
    & skf18("10","10","9","3","1","7","1") = "9"
    & skf18("10","10","9","3","1","8","1") = "9"
    & skf18("10","10","9","3","1","9","1") = "9"
    & skf18("10","10","9","3","1","10","1") = "9"
    & skf18("10","10","9","3","2","1","1") = "9"
    & skf18("10","10","9","3","2","2","1") = "9"
    & skf18("10","10","9","3","2","3","1") = "9"
    & skf18("10","10","9","3","2","4","1") = "9"
    & skf18("10","10","9","3","2","5","1") = "9"
    & skf18("10","10","9","3","2","6","1") = "9"
    & skf18("10","10","9","3","2","7","1") = "9"
    & skf18("10","10","9","3","2","8","1") = "9"
    & skf18("10","10","9","3","2","9","1") = "9"
    & skf18("10","10","9","3","2","10","1") = "9"
    & skf18("10","10","9","3","3","1","1") = "9"
    & skf18("10","10","9","3","3","2","1") = "9"
    & skf18("10","10","9","3","3","3","1") = "9"
    & skf18("10","10","9","3","3","4","1") = "9"
    & skf18("10","10","9","3","3","5","1") = "9"
    & skf18("10","10","9","3","3","6","1") = "9"
    & skf18("10","10","9","3","3","7","1") = "9"
    & skf18("10","10","9","3","3","8","1") = "9"
    & skf18("10","10","9","3","3","9","1") = "9"
    & skf18("10","10","9","3","3","10","1") = "9"
    & skf18("10","10","9","3","4","1","1") = "9"
    & skf18("10","10","9","3","4","2","1") = "9"
    & skf18("10","10","9","3","4","3","1") = "9"
    & skf18("10","10","9","3","4","4","1") = "9"
    & skf18("10","10","9","3","4","5","1") = "9"
    & skf18("10","10","9","3","4","6","1") = "9"
    & skf18("10","10","9","3","4","7","1") = "9"
    & skf18("10","10","9","3","4","8","1") = "9"
    & skf18("10","10","9","3","4","9","1") = "9"
    & skf18("10","10","9","3","4","10","1") = "9"
    & skf18("10","10","9","3","5","1","1") = "9"
    & skf18("10","10","9","3","5","2","1") = "9"
    & skf18("10","10","9","3","5","3","1") = "9"
    & skf18("10","10","9","3","5","4","1") = "9"
    & skf18("10","10","9","3","5","5","1") = "9"
    & skf18("10","10","9","3","5","6","1") = "9"
    & skf18("10","10","9","3","5","7","1") = "9"
    & skf18("10","10","9","3","5","8","1") = "9"
    & skf18("10","10","9","3","5","9","1") = "9"
    & skf18("10","10","9","3","5","10","1") = "9"
    & skf18("10","10","9","3","6","1","1") = "9"
    & skf18("10","10","9","3","6","2","1") = "9"
    & skf18("10","10","9","3","6","3","1") = "9"
    & skf18("10","10","9","3","6","4","1") = "9"
    & skf18("10","10","9","3","6","5","1") = "9"
    & skf18("10","10","9","3","6","6","1") = "9"
    & skf18("10","10","9","3","6","7","1") = "9"
    & skf18("10","10","9","3","6","8","1") = "9"
    & skf18("10","10","9","3","6","9","1") = "9"
    & skf18("10","10","9","3","6","10","1") = "9"
    & skf18("10","10","9","3","7","1","1") = "9"
    & skf18("10","10","9","3","7","2","1") = "9"
    & skf18("10","10","9","3","7","3","1") = "9"
    & skf18("10","10","9","3","7","4","1") = "9"
    & skf18("10","10","9","3","7","5","1") = "9"
    & skf18("10","10","9","3","7","6","1") = "9"
    & skf18("10","10","9","3","7","7","1") = "9"
    & skf18("10","10","9","3","7","8","1") = "9"
    & skf18("10","10","9","3","7","9","1") = "9"
    & skf18("10","10","9","3","7","10","1") = "9"
    & skf18("10","10","9","3","8","1","1") = "9"
    & skf18("10","10","9","3","8","2","1") = "9"
    & skf18("10","10","9","3","8","3","1") = "9"
    & skf18("10","10","9","3","8","4","1") = "9"
    & skf18("10","10","9","3","8","5","1") = "9"
    & skf18("10","10","9","3","8","6","1") = "9"
    & skf18("10","10","9","3","8","7","1") = "9"
    & skf18("10","10","9","3","8","8","1") = "9"
    & skf18("10","10","9","3","8","9","1") = "9"
    & skf18("10","10","9","3","8","10","1") = "9"
    & skf18("10","10","9","3","9","1","1") = "9"
    & skf18("10","10","9","3","9","2","1") = "9"
    & skf18("10","10","9","3","9","3","1") = "9"
    & skf18("10","10","9","3","9","4","1") = "9"
    & skf18("10","10","9","3","9","5","1") = "9"
    & skf18("10","10","9","3","9","6","1") = "9"
    & skf18("10","10","9","3","9","7","1") = "9"
    & skf18("10","10","9","3","9","8","1") = "9"
    & skf18("10","10","9","3","9","9","1") = "9"
    & skf18("10","10","9","3","9","10","1") = "9"
    & skf18("10","10","9","3","10","1","1") = "9"
    & skf18("10","10","9","3","10","2","1") = "9"
    & skf18("10","10","9","3","10","3","1") = "9"
    & skf18("10","10","9","3","10","4","1") = "9"
    & skf18("10","10","9","3","10","5","1") = "9"
    & skf18("10","10","9","3","10","6","1") = "9"
    & skf18("10","10","9","3","10","7","1") = "9"
    & skf18("10","10","9","3","10","8","1") = "9"
    & skf18("10","10","9","3","10","9","1") = "9"
    & skf18("10","10","9","3","10","10","1") = "9"
    & skf18("10","10","9","4","1","1","1") = "9"
    & skf18("10","10","9","4","1","2","1") = "9"
    & skf18("10","10","9","4","1","3","1") = "9"
    & skf18("10","10","9","4","1","4","1") = "9"
    & skf18("10","10","9","4","1","5","1") = "9"
    & skf18("10","10","9","4","1","6","1") = "9"
    & skf18("10","10","9","4","1","7","1") = "9"
    & skf18("10","10","9","4","1","8","1") = "9"
    & skf18("10","10","9","4","1","9","1") = "9"
    & skf18("10","10","9","4","1","10","1") = "9"
    & skf18("10","10","9","4","2","1","1") = "9"
    & skf18("10","10","9","4","2","2","1") = "9"
    & skf18("10","10","9","4","2","3","1") = "9"
    & skf18("10","10","9","4","2","4","1") = "9"
    & skf18("10","10","9","4","2","5","1") = "9"
    & skf18("10","10","9","4","2","6","1") = "9"
    & skf18("10","10","9","4","2","7","1") = "9"
    & skf18("10","10","9","4","2","8","1") = "9"
    & skf18("10","10","9","4","2","9","1") = "9"
    & skf18("10","10","9","4","2","10","1") = "9"
    & skf18("10","10","9","4","3","1","1") = "9"
    & skf18("10","10","9","4","3","2","1") = "9"
    & skf18("10","10","9","4","3","3","1") = "9"
    & skf18("10","10","9","4","3","4","1") = "9"
    & skf18("10","10","9","4","3","5","1") = "9"
    & skf18("10","10","9","4","3","6","1") = "9"
    & skf18("10","10","9","4","3","7","1") = "9"
    & skf18("10","10","9","4","3","8","1") = "9"
    & skf18("10","10","9","4","3","9","1") = "9"
    & skf18("10","10","9","4","3","10","1") = "9"
    & skf18("10","10","9","4","4","1","1") = "9"
    & skf18("10","10","9","4","4","2","1") = "9"
    & skf18("10","10","9","4","4","3","1") = "9"
    & skf18("10","10","9","4","4","4","1") = "9"
    & skf18("10","10","9","4","4","5","1") = "9"
    & skf18("10","10","9","4","4","6","1") = "9"
    & skf18("10","10","9","4","4","7","1") = "9"
    & skf18("10","10","9","4","4","8","1") = "9"
    & skf18("10","10","9","4","4","9","1") = "9"
    & skf18("10","10","9","4","4","10","1") = "9"
    & skf18("10","10","9","4","5","1","1") = "9"
    & skf18("10","10","9","4","5","2","1") = "9"
    & skf18("10","10","9","4","5","3","1") = "9"
    & skf18("10","10","9","4","5","4","1") = "9"
    & skf18("10","10","9","4","5","5","1") = "9"
    & skf18("10","10","9","4","5","6","1") = "9"
    & skf18("10","10","9","4","5","7","1") = "9"
    & skf18("10","10","9","4","5","8","1") = "9"
    & skf18("10","10","9","4","5","9","1") = "9"
    & skf18("10","10","9","4","5","10","1") = "9"
    & skf18("10","10","9","4","6","1","1") = "9"
    & skf18("10","10","9","4","6","2","1") = "9"
    & skf18("10","10","9","4","6","3","1") = "9"
    & skf18("10","10","9","4","6","4","1") = "9"
    & skf18("10","10","9","4","6","5","1") = "9"
    & skf18("10","10","9","4","6","6","1") = "9"
    & skf18("10","10","9","4","6","7","1") = "9"
    & skf18("10","10","9","4","6","8","1") = "9"
    & skf18("10","10","9","4","6","9","1") = "9"
    & skf18("10","10","9","4","6","10","1") = "9"
    & skf18("10","10","9","4","7","1","1") = "9"
    & skf18("10","10","9","4","7","2","1") = "9"
    & skf18("10","10","9","4","7","3","1") = "9"
    & skf18("10","10","9","4","7","4","1") = "9"
    & skf18("10","10","9","4","7","5","1") = "9"
    & skf18("10","10","9","4","7","6","1") = "9"
    & skf18("10","10","9","4","7","7","1") = "9"
    & skf18("10","10","9","4","7","8","1") = "9"
    & skf18("10","10","9","4","7","9","1") = "9"
    & skf18("10","10","9","4","7","10","1") = "9"
    & skf18("10","10","9","4","8","1","1") = "9"
    & skf18("10","10","9","4","8","2","1") = "9"
    & skf18("10","10","9","4","8","3","1") = "9"
    & skf18("10","10","9","4","8","4","1") = "9"
    & skf18("10","10","9","4","8","5","1") = "9"
    & skf18("10","10","9","4","8","6","1") = "9"
    & skf18("10","10","9","4","8","7","1") = "9"
    & skf18("10","10","9","4","8","8","1") = "9"
    & skf18("10","10","9","4","8","9","1") = "9"
    & skf18("10","10","9","4","8","10","1") = "9"
    & skf18("10","10","9","4","9","1","1") = "9"
    & skf18("10","10","9","4","9","2","1") = "9"
    & skf18("10","10","9","4","9","3","1") = "9"
    & skf18("10","10","9","4","9","4","1") = "9"
    & skf18("10","10","9","4","9","5","1") = "9"
    & skf18("10","10","9","4","9","6","1") = "9"
    & skf18("10","10","9","4","9","7","1") = "9"
    & skf18("10","10","9","4","9","8","1") = "9"
    & skf18("10","10","9","4","9","9","1") = "9"
    & skf18("10","10","9","4","9","10","1") = "9"
    & skf18("10","10","9","4","10","1","1") = "9"
    & skf18("10","10","9","4","10","2","1") = "9"
    & skf18("10","10","9","4","10","3","1") = "9"
    & skf18("10","10","9","4","10","4","1") = "9"
    & skf18("10","10","9","4","10","5","1") = "9"
    & skf18("10","10","9","4","10","6","1") = "9"
    & skf18("10","10","9","4","10","7","1") = "9"
    & skf18("10","10","9","4","10","8","1") = "9"
    & skf18("10","10","9","4","10","9","1") = "9"
    & skf18("10","10","9","4","10","10","1") = "9"
    & skf18("10","10","9","5","1","1","1") = "9"
    & skf18("10","10","9","5","1","2","1") = "9"
    & skf18("10","10","9","5","1","3","1") = "9"
    & skf18("10","10","9","5","1","4","1") = "9"
    & skf18("10","10","9","5","1","5","1") = "9"
    & skf18("10","10","9","5","1","6","1") = "9"
    & skf18("10","10","9","5","1","7","1") = "9"
    & skf18("10","10","9","5","1","8","1") = "9"
    & skf18("10","10","9","5","1","9","1") = "9"
    & skf18("10","10","9","5","1","10","1") = "9"
    & skf18("10","10","9","5","2","1","1") = "9"
    & skf18("10","10","9","5","2","2","1") = "9"
    & skf18("10","10","9","5","2","3","1") = "9"
    & skf18("10","10","9","5","2","4","1") = "9"
    & skf18("10","10","9","5","2","5","1") = "9"
    & skf18("10","10","9","5","2","6","1") = "9"
    & skf18("10","10","9","5","2","7","1") = "9"
    & skf18("10","10","9","5","2","8","1") = "9"
    & skf18("10","10","9","5","2","9","1") = "9"
    & skf18("10","10","9","5","2","10","1") = "9"
    & skf18("10","10","9","5","3","1","1") = "9"
    & skf18("10","10","9","5","3","2","1") = "9"
    & skf18("10","10","9","5","3","3","1") = "9"
    & skf18("10","10","9","5","3","4","1") = "9"
    & skf18("10","10","9","5","3","5","1") = "9"
    & skf18("10","10","9","5","3","6","1") = "9"
    & skf18("10","10","9","5","3","7","1") = "9"
    & skf18("10","10","9","5","3","8","1") = "9"
    & skf18("10","10","9","5","3","9","1") = "9"
    & skf18("10","10","9","5","3","10","1") = "9"
    & skf18("10","10","9","5","4","1","1") = "9"
    & skf18("10","10","9","5","4","2","1") = "9"
    & skf18("10","10","9","5","4","3","1") = "9"
    & skf18("10","10","9","5","4","4","1") = "9"
    & skf18("10","10","9","5","4","5","1") = "9"
    & skf18("10","10","9","5","4","6","1") = "9"
    & skf18("10","10","9","5","4","7","1") = "9"
    & skf18("10","10","9","5","4","8","1") = "9"
    & skf18("10","10","9","5","4","9","1") = "9"
    & skf18("10","10","9","5","4","10","1") = "9"
    & skf18("10","10","9","5","5","1","1") = "9"
    & skf18("10","10","9","5","5","2","1") = "9"
    & skf18("10","10","9","5","5","3","1") = "9"
    & skf18("10","10","9","5","5","4","1") = "9"
    & skf18("10","10","9","5","5","5","1") = "9"
    & skf18("10","10","9","5","5","6","1") = "9"
    & skf18("10","10","9","5","5","7","1") = "9"
    & skf18("10","10","9","5","5","8","1") = "9"
    & skf18("10","10","9","5","5","9","1") = "9"
    & skf18("10","10","9","5","5","10","1") = "9"
    & skf18("10","10","9","5","6","1","1") = "9"
    & skf18("10","10","9","5","6","2","1") = "9"
    & skf18("10","10","9","5","6","3","1") = "9"
    & skf18("10","10","9","5","6","4","1") = "9"
    & skf18("10","10","9","5","6","5","1") = "9"
    & skf18("10","10","9","5","6","6","1") = "9"
    & skf18("10","10","9","5","6","7","1") = "9"
    & skf18("10","10","9","5","6","8","1") = "9"
    & skf18("10","10","9","5","6","9","1") = "9"
    & skf18("10","10","9","5","6","10","1") = "9"
    & skf18("10","10","9","5","7","1","1") = "9"
    & skf18("10","10","9","5","7","2","1") = "9"
    & skf18("10","10","9","5","7","3","1") = "9"
    & skf18("10","10","9","5","7","4","1") = "9"
    & skf18("10","10","9","5","7","5","1") = "9"
    & skf18("10","10","9","5","7","6","1") = "9"
    & skf18("10","10","9","5","7","7","1") = "9"
    & skf18("10","10","9","5","7","8","1") = "9"
    & skf18("10","10","9","5","7","9","1") = "9"
    & skf18("10","10","9","5","7","10","1") = "9"
    & skf18("10","10","9","5","8","1","1") = "9"
    & skf18("10","10","9","5","8","2","1") = "9"
    & skf18("10","10","9","5","8","3","1") = "9"
    & skf18("10","10","9","5","8","4","1") = "9"
    & skf18("10","10","9","5","8","5","1") = "9"
    & skf18("10","10","9","5","8","6","1") = "9"
    & skf18("10","10","9","5","8","7","1") = "9"
    & skf18("10","10","9","5","8","8","1") = "9"
    & skf18("10","10","9","5","8","9","1") = "9"
    & skf18("10","10","9","5","8","10","1") = "9"
    & skf18("10","10","9","5","9","1","1") = "9"
    & skf18("10","10","9","5","9","2","1") = "9"
    & skf18("10","10","9","5","9","3","1") = "9"
    & skf18("10","10","9","5","9","4","1") = "9"
    & skf18("10","10","9","5","9","5","1") = "9"
    & skf18("10","10","9","5","9","6","1") = "9"
    & skf18("10","10","9","5","9","7","1") = "9"
    & skf18("10","10","9","5","9","8","1") = "9"
    & skf18("10","10","9","5","9","9","1") = "9"
    & skf18("10","10","9","5","9","10","1") = "9"
    & skf18("10","10","9","5","10","1","1") = "9"
    & skf18("10","10","9","5","10","2","1") = "9"
    & skf18("10","10","9","5","10","3","1") = "9"
    & skf18("10","10","9","5","10","4","1") = "9"
    & skf18("10","10","9","5","10","5","1") = "9"
    & skf18("10","10","9","5","10","6","1") = "9"
    & skf18("10","10","9","5","10","7","1") = "9"
    & skf18("10","10","9","5","10","8","1") = "9"
    & skf18("10","10","9","5","10","9","1") = "9"
    & skf18("10","10","9","5","10","10","1") = "9"
    & skf18("10","10","9","6","1","1","1") = "9"
    & skf18("10","10","9","6","1","2","1") = "9"
    & skf18("10","10","9","6","1","3","1") = "9"
    & skf18("10","10","9","6","1","4","1") = "9"
    & skf18("10","10","9","6","1","5","1") = "9"
    & skf18("10","10","9","6","1","6","1") = "9"
    & skf18("10","10","9","6","1","7","1") = "9"
    & skf18("10","10","9","6","1","8","1") = "9"
    & skf18("10","10","9","6","1","9","1") = "9"
    & skf18("10","10","9","6","1","10","1") = "9"
    & skf18("10","10","9","6","2","1","1") = "9"
    & skf18("10","10","9","6","2","2","1") = "9"
    & skf18("10","10","9","6","2","3","1") = "9"
    & skf18("10","10","9","6","2","4","1") = "9"
    & skf18("10","10","9","6","2","5","1") = "9"
    & skf18("10","10","9","6","2","6","1") = "9"
    & skf18("10","10","9","6","2","7","1") = "9"
    & skf18("10","10","9","6","2","8","1") = "9"
    & skf18("10","10","9","6","2","9","1") = "9"
    & skf18("10","10","9","6","2","10","1") = "9"
    & skf18("10","10","9","6","3","1","1") = "9"
    & skf18("10","10","9","6","3","2","1") = "9"
    & skf18("10","10","9","6","3","3","1") = "9"
    & skf18("10","10","9","6","3","4","1") = "9"
    & skf18("10","10","9","6","3","5","1") = "9"
    & skf18("10","10","9","6","3","6","1") = "9"
    & skf18("10","10","9","6","3","7","1") = "9"
    & skf18("10","10","9","6","3","8","1") = "9"
    & skf18("10","10","9","6","3","9","1") = "9"
    & skf18("10","10","9","6","3","10","1") = "9"
    & skf18("10","10","9","6","4","1","1") = "9"
    & skf18("10","10","9","6","4","2","1") = "9"
    & skf18("10","10","9","6","4","3","1") = "9"
    & skf18("10","10","9","6","4","4","1") = "9"
    & skf18("10","10","9","6","4","5","1") = "9"
    & skf18("10","10","9","6","4","6","1") = "9"
    & skf18("10","10","9","6","4","7","1") = "9"
    & skf18("10","10","9","6","4","8","1") = "9"
    & skf18("10","10","9","6","4","9","1") = "9"
    & skf18("10","10","9","6","4","10","1") = "9"
    & skf18("10","10","9","6","5","1","1") = "9"
    & skf18("10","10","9","6","5","2","1") = "9"
    & skf18("10","10","9","6","5","3","1") = "9"
    & skf18("10","10","9","6","5","4","1") = "9"
    & skf18("10","10","9","6","5","5","1") = "9"
    & skf18("10","10","9","6","5","6","1") = "9"
    & skf18("10","10","9","6","5","7","1") = "9"
    & skf18("10","10","9","6","5","8","1") = "9"
    & skf18("10","10","9","6","5","9","1") = "9"
    & skf18("10","10","9","6","5","10","1") = "9"
    & skf18("10","10","9","6","6","1","1") = "9"
    & skf18("10","10","9","6","6","2","1") = "9"
    & skf18("10","10","9","6","6","3","1") = "9"
    & skf18("10","10","9","6","6","4","1") = "9"
    & skf18("10","10","9","6","6","5","1") = "9"
    & skf18("10","10","9","6","6","6","1") = "9"
    & skf18("10","10","9","6","6","7","1") = "9"
    & skf18("10","10","9","6","6","8","1") = "9"
    & skf18("10","10","9","6","6","9","1") = "9"
    & skf18("10","10","9","6","6","10","1") = "9"
    & skf18("10","10","9","6","7","1","1") = "9"
    & skf18("10","10","9","6","7","2","1") = "9"
    & skf18("10","10","9","6","7","3","1") = "9"
    & skf18("10","10","9","6","7","4","1") = "9"
    & skf18("10","10","9","6","7","5","1") = "9"
    & skf18("10","10","9","6","7","6","1") = "9"
    & skf18("10","10","9","6","7","7","1") = "9"
    & skf18("10","10","9","6","7","8","1") = "9"
    & skf18("10","10","9","6","7","9","1") = "9"
    & skf18("10","10","9","6","7","10","1") = "9"
    & skf18("10","10","9","6","8","1","1") = "9"
    & skf18("10","10","9","6","8","2","1") = "9"
    & skf18("10","10","9","6","8","3","1") = "9"
    & skf18("10","10","9","6","8","4","1") = "9"
    & skf18("10","10","9","6","8","5","1") = "9"
    & skf18("10","10","9","6","8","6","1") = "9"
    & skf18("10","10","9","6","8","7","1") = "9"
    & skf18("10","10","9","6","8","8","1") = "9"
    & skf18("10","10","9","6","8","9","1") = "9"
    & skf18("10","10","9","6","8","10","1") = "9"
    & skf18("10","10","9","6","9","1","1") = "9"
    & skf18("10","10","9","6","9","2","1") = "9"
    & skf18("10","10","9","6","9","3","1") = "9"
    & skf18("10","10","9","6","9","4","1") = "9"
    & skf18("10","10","9","6","9","5","1") = "9"
    & skf18("10","10","9","6","9","6","1") = "9"
    & skf18("10","10","9","6","9","7","1") = "9"
    & skf18("10","10","9","6","9","8","1") = "9"
    & skf18("10","10","9","6","9","9","1") = "9"
    & skf18("10","10","9","6","9","10","1") = "9"
    & skf18("10","10","9","6","10","1","1") = "9"
    & skf18("10","10","9","6","10","2","1") = "9"
    & skf18("10","10","9","6","10","3","1") = "9"
    & skf18("10","10","9","6","10","4","1") = "9"
    & skf18("10","10","9","6","10","5","1") = "9"
    & skf18("10","10","9","6","10","6","1") = "9"
    & skf18("10","10","9","6","10","7","1") = "9"
    & skf18("10","10","9","6","10","8","1") = "9"
    & skf18("10","10","9","6","10","9","1") = "9"
    & skf18("10","10","9","6","10","10","1") = "9"
    & skf18("10","10","9","7","1","1","1") = "9"
    & skf18("10","10","9","7","1","2","1") = "9"
    & skf18("10","10","9","7","1","3","1") = "9"
    & skf18("10","10","9","7","1","4","1") = "9"
    & skf18("10","10","9","7","1","5","1") = "9"
    & skf18("10","10","9","7","1","6","1") = "9"
    & skf18("10","10","9","7","1","7","1") = "9"
    & skf18("10","10","9","7","1","8","1") = "9"
    & skf18("10","10","9","7","1","9","1") = "9"
    & skf18("10","10","9","7","1","10","1") = "9"
    & skf18("10","10","9","7","2","1","1") = "9"
    & skf18("10","10","9","7","2","2","1") = "9"
    & skf18("10","10","9","7","2","3","1") = "9"
    & skf18("10","10","9","7","2","4","1") = "9"
    & skf18("10","10","9","7","2","5","1") = "9"
    & skf18("10","10","9","7","2","6","1") = "9"
    & skf18("10","10","9","7","2","7","1") = "9"
    & skf18("10","10","9","7","2","8","1") = "9"
    & skf18("10","10","9","7","2","9","1") = "9"
    & skf18("10","10","9","7","2","10","1") = "9"
    & skf18("10","10","9","7","3","1","1") = "9"
    & skf18("10","10","9","7","3","2","1") = "9"
    & skf18("10","10","9","7","3","3","1") = "9"
    & skf18("10","10","9","7","3","4","1") = "9"
    & skf18("10","10","9","7","3","5","1") = "9"
    & skf18("10","10","9","7","3","6","1") = "9"
    & skf18("10","10","9","7","3","7","1") = "9"
    & skf18("10","10","9","7","3","8","1") = "9"
    & skf18("10","10","9","7","3","9","1") = "9"
    & skf18("10","10","9","7","3","10","1") = "9"
    & skf18("10","10","9","7","4","1","1") = "9"
    & skf18("10","10","9","7","4","2","1") = "9"
    & skf18("10","10","9","7","4","3","1") = "9"
    & skf18("10","10","9","7","4","4","1") = "9"
    & skf18("10","10","9","7","4","5","1") = "9"
    & skf18("10","10","9","7","4","6","1") = "9"
    & skf18("10","10","9","7","4","7","1") = "9"
    & skf18("10","10","9","7","4","8","1") = "9"
    & skf18("10","10","9","7","4","9","1") = "9"
    & skf18("10","10","9","7","4","10","1") = "9"
    & skf18("10","10","9","7","5","1","1") = "9"
    & skf18("10","10","9","7","5","2","1") = "9"
    & skf18("10","10","9","7","5","3","1") = "9"
    & skf18("10","10","9","7","5","4","1") = "9"
    & skf18("10","10","9","7","5","5","1") = "9"
    & skf18("10","10","9","7","5","6","1") = "9"
    & skf18("10","10","9","7","5","7","1") = "9"
    & skf18("10","10","9","7","5","8","1") = "9"
    & skf18("10","10","9","7","5","9","1") = "9"
    & skf18("10","10","9","7","5","10","1") = "9"
    & skf18("10","10","9","7","6","1","1") = "9"
    & skf18("10","10","9","7","6","2","1") = "9"
    & skf18("10","10","9","7","6","3","1") = "9"
    & skf18("10","10","9","7","6","4","1") = "9"
    & skf18("10","10","9","7","6","5","1") = "9"
    & skf18("10","10","9","7","6","6","1") = "9"
    & skf18("10","10","9","7","6","7","1") = "9"
    & skf18("10","10","9","7","6","8","1") = "9"
    & skf18("10","10","9","7","6","9","1") = "9"
    & skf18("10","10","9","7","6","10","1") = "9"
    & skf18("10","10","9","7","7","1","1") = "9"
    & skf18("10","10","9","7","7","2","1") = "9"
    & skf18("10","10","9","7","7","3","1") = "9"
    & skf18("10","10","9","7","7","4","1") = "9"
    & skf18("10","10","9","7","7","5","1") = "9"
    & skf18("10","10","9","7","7","6","1") = "9"
    & skf18("10","10","9","7","7","7","1") = "9"
    & skf18("10","10","9","7","7","8","1") = "9"
    & skf18("10","10","9","7","7","9","1") = "9"
    & skf18("10","10","9","7","7","10","1") = "9"
    & skf18("10","10","9","7","8","1","1") = "9"
    & skf18("10","10","9","7","8","2","1") = "9"
    & skf18("10","10","9","7","8","3","1") = "9"
    & skf18("10","10","9","7","8","4","1") = "9"
    & skf18("10","10","9","7","8","5","1") = "9"
    & skf18("10","10","9","7","8","6","1") = "9"
    & skf18("10","10","9","7","8","7","1") = "9"
    & skf18("10","10","9","7","8","8","1") = "9"
    & skf18("10","10","9","7","8","9","1") = "9"
    & skf18("10","10","9","7","8","10","1") = "9"
    & skf18("10","10","9","7","9","1","1") = "9"
    & skf18("10","10","9","7","9","2","1") = "9"
    & skf18("10","10","9","7","9","3","1") = "9"
    & skf18("10","10","9","7","9","4","1") = "9"
    & skf18("10","10","9","7","9","5","1") = "9"
    & skf18("10","10","9","7","9","6","1") = "9"
    & skf18("10","10","9","7","9","7","1") = "9"
    & skf18("10","10","9","7","9","8","1") = "9"
    & skf18("10","10","9","7","9","9","1") = "9"
    & skf18("10","10","9","7","9","10","1") = "9"
    & skf18("10","10","9","7","10","1","1") = "9"
    & skf18("10","10","9","7","10","2","1") = "9"
    & skf18("10","10","9","7","10","3","1") = "9"
    & skf18("10","10","9","7","10","4","1") = "9"
    & skf18("10","10","9","7","10","5","1") = "9"
    & skf18("10","10","9","7","10","6","1") = "9"
    & skf18("10","10","9","7","10","7","1") = "9"
    & skf18("10","10","9","7","10","8","1") = "9"
    & skf18("10","10","9","7","10","9","1") = "9"
    & skf18("10","10","9","7","10","10","1") = "9"
    & skf18("10","10","9","8","1","1","1") = "9"
    & skf18("10","10","9","8","1","2","1") = "9"
    & skf18("10","10","9","8","1","3","1") = "9"
    & skf18("10","10","9","8","1","4","1") = "9"
    & skf18("10","10","9","8","1","5","1") = "9"
    & skf18("10","10","9","8","1","6","1") = "9"
    & skf18("10","10","9","8","1","7","1") = "9"
    & skf18("10","10","9","8","1","8","1") = "9"
    & skf18("10","10","9","8","1","9","1") = "9"
    & skf18("10","10","9","8","1","10","1") = "9"
    & skf18("10","10","9","8","2","1","1") = "9"
    & skf18("10","10","9","8","2","2","1") = "9"
    & skf18("10","10","9","8","2","3","1") = "9"
    & skf18("10","10","9","8","2","4","1") = "9"
    & skf18("10","10","9","8","2","5","1") = "9"
    & skf18("10","10","9","8","2","6","1") = "9"
    & skf18("10","10","9","8","2","7","1") = "9"
    & skf18("10","10","9","8","2","8","1") = "9"
    & skf18("10","10","9","8","2","9","1") = "9"
    & skf18("10","10","9","8","2","10","1") = "9"
    & skf18("10","10","9","8","3","1","1") = "9"
    & skf18("10","10","9","8","3","2","1") = "9"
    & skf18("10","10","9","8","3","3","1") = "9"
    & skf18("10","10","9","8","3","4","1") = "9"
    & skf18("10","10","9","8","3","5","1") = "9"
    & skf18("10","10","9","8","3","6","1") = "9"
    & skf18("10","10","9","8","3","7","1") = "9"
    & skf18("10","10","9","8","3","8","1") = "9"
    & skf18("10","10","9","8","3","9","1") = "9"
    & skf18("10","10","9","8","3","10","1") = "9"
    & skf18("10","10","9","8","4","1","1") = "9"
    & skf18("10","10","9","8","4","2","1") = "9"
    & skf18("10","10","9","8","4","3","1") = "9"
    & skf18("10","10","9","8","4","4","1") = "9"
    & skf18("10","10","9","8","4","5","1") = "9"
    & skf18("10","10","9","8","4","6","1") = "9"
    & skf18("10","10","9","8","4","7","1") = "9"
    & skf18("10","10","9","8","4","8","1") = "9"
    & skf18("10","10","9","8","4","9","1") = "9"
    & skf18("10","10","9","8","4","10","1") = "9"
    & skf18("10","10","9","8","5","1","1") = "9"
    & skf18("10","10","9","8","5","2","1") = "9"
    & skf18("10","10","9","8","5","3","1") = "9"
    & skf18("10","10","9","8","5","4","1") = "9"
    & skf18("10","10","9","8","5","5","1") = "9"
    & skf18("10","10","9","8","5","6","1") = "9"
    & skf18("10","10","9","8","5","7","1") = "9"
    & skf18("10","10","9","8","5","8","1") = "9"
    & skf18("10","10","9","8","5","9","1") = "9"
    & skf18("10","10","9","8","5","10","1") = "9"
    & skf18("10","10","9","8","6","1","1") = "9"
    & skf18("10","10","9","8","6","2","1") = "9"
    & skf18("10","10","9","8","6","3","1") = "9"
    & skf18("10","10","9","8","6","4","1") = "9"
    & skf18("10","10","9","8","6","5","1") = "9"
    & skf18("10","10","9","8","6","6","1") = "9"
    & skf18("10","10","9","8","6","7","1") = "9"
    & skf18("10","10","9","8","6","8","1") = "9"
    & skf18("10","10","9","8","6","9","1") = "9"
    & skf18("10","10","9","8","6","10","1") = "9"
    & skf18("10","10","9","8","7","1","1") = "9"
    & skf18("10","10","9","8","7","2","1") = "9"
    & skf18("10","10","9","8","7","3","1") = "9"
    & skf18("10","10","9","8","7","4","1") = "9"
    & skf18("10","10","9","8","7","5","1") = "9"
    & skf18("10","10","9","8","7","6","1") = "9"
    & skf18("10","10","9","8","7","7","1") = "9"
    & skf18("10","10","9","8","7","8","1") = "9"
    & skf18("10","10","9","8","7","9","1") = "9"
    & skf18("10","10","9","8","7","10","1") = "9"
    & skf18("10","10","9","8","8","1","1") = "9"
    & skf18("10","10","9","8","8","2","1") = "9"
    & skf18("10","10","9","8","8","3","1") = "9"
    & skf18("10","10","9","8","8","4","1") = "9"
    & skf18("10","10","9","8","8","5","1") = "9"
    & skf18("10","10","9","8","8","6","1") = "9"
    & skf18("10","10","9","8","8","7","1") = "9"
    & skf18("10","10","9","8","8","8","1") = "9"
    & skf18("10","10","9","8","8","9","1") = "9"
    & skf18("10","10","9","8","8","10","1") = "9"
    & skf18("10","10","9","8","9","1","1") = "9"
    & skf18("10","10","9","8","9","2","1") = "9"
    & skf18("10","10","9","8","9","3","1") = "9"
    & skf18("10","10","9","8","9","4","1") = "9"
    & skf18("10","10","9","8","9","5","1") = "9"
    & skf18("10","10","9","8","9","6","1") = "9"
    & skf18("10","10","9","8","9","7","1") = "9"
    & skf18("10","10","9","8","9","8","1") = "9"
    & skf18("10","10","9","8","9","9","1") = "9"
    & skf18("10","10","9","8","9","10","1") = "9"
    & skf18("10","10","9","8","10","1","1") = "9"
    & skf18("10","10","9","8","10","2","1") = "9"
    & skf18("10","10","9","8","10","3","1") = "9"
    & skf18("10","10","9","8","10","4","1") = "9"
    & skf18("10","10","9","8","10","5","1") = "9"
    & skf18("10","10","9","8","10","6","1") = "9"
    & skf18("10","10","9","8","10","7","1") = "9"
    & skf18("10","10","9","8","10","8","1") = "9"
    & skf18("10","10","9","8","10","9","1") = "9"
    & skf18("10","10","9","8","10","10","1") = "9"
    & skf18("10","10","9","9","1","1","1") = "9"
    & skf18("10","10","9","9","1","2","1") = "9"
    & skf18("10","10","9","9","1","3","1") = "9"
    & skf18("10","10","9","9","1","4","1") = "9"
    & skf18("10","10","9","9","1","5","1") = "9"
    & skf18("10","10","9","9","1","6","1") = "9"
    & skf18("10","10","9","9","1","7","1") = "9"
    & skf18("10","10","9","9","1","8","1") = "9"
    & skf18("10","10","9","9","1","9","1") = "9"
    & skf18("10","10","9","9","1","10","1") = "9"
    & skf18("10","10","9","9","2","1","1") = "9"
    & skf18("10","10","9","9","2","2","1") = "9"
    & skf18("10","10","9","9","2","3","1") = "9"
    & skf18("10","10","9","9","2","4","1") = "9"
    & skf18("10","10","9","9","2","5","1") = "9"
    & skf18("10","10","9","9","2","6","1") = "9"
    & skf18("10","10","9","9","2","7","1") = "9"
    & skf18("10","10","9","9","2","8","1") = "9"
    & skf18("10","10","9","9","2","9","1") = "9"
    & skf18("10","10","9","9","2","10","1") = "9"
    & skf18("10","10","9","9","3","1","1") = "9"
    & skf18("10","10","9","9","3","2","1") = "9"
    & skf18("10","10","9","9","3","3","1") = "9"
    & skf18("10","10","9","9","3","4","1") = "9"
    & skf18("10","10","9","9","3","5","1") = "9"
    & skf18("10","10","9","9","3","6","1") = "9"
    & skf18("10","10","9","9","3","7","1") = "9"
    & skf18("10","10","9","9","3","8","1") = "9"
    & skf18("10","10","9","9","3","9","1") = "9"
    & skf18("10","10","9","9","3","10","1") = "9"
    & skf18("10","10","9","9","4","1","1") = "9"
    & skf18("10","10","9","9","4","2","1") = "9"
    & skf18("10","10","9","9","4","3","1") = "9"
    & skf18("10","10","9","9","4","4","1") = "9"
    & skf18("10","10","9","9","4","5","1") = "9"
    & skf18("10","10","9","9","4","6","1") = "9"
    & skf18("10","10","9","9","4","7","1") = "9"
    & skf18("10","10","9","9","4","8","1") = "9"
    & skf18("10","10","9","9","4","9","1") = "9"
    & skf18("10","10","9","9","4","10","1") = "9"
    & skf18("10","10","9","9","5","1","1") = "9"
    & skf18("10","10","9","9","5","2","1") = "9"
    & skf18("10","10","9","9","5","3","1") = "9"
    & skf18("10","10","9","9","5","4","1") = "9"
    & skf18("10","10","9","9","5","5","1") = "9"
    & skf18("10","10","9","9","5","6","1") = "9"
    & skf18("10","10","9","9","5","7","1") = "9"
    & skf18("10","10","9","9","5","8","1") = "9"
    & skf18("10","10","9","9","5","9","1") = "9"
    & skf18("10","10","9","9","5","10","1") = "9"
    & skf18("10","10","9","9","6","1","1") = "9"
    & skf18("10","10","9","9","6","2","1") = "9"
    & skf18("10","10","9","9","6","3","1") = "9"
    & skf18("10","10","9","9","6","4","1") = "9"
    & skf18("10","10","9","9","6","5","1") = "9"
    & skf18("10","10","9","9","6","6","1") = "9"
    & skf18("10","10","9","9","6","7","1") = "9"
    & skf18("10","10","9","9","6","8","1") = "9"
    & skf18("10","10","9","9","6","9","1") = "9"
    & skf18("10","10","9","9","6","10","1") = "9"
    & skf18("10","10","9","9","7","1","1") = "9"
    & skf18("10","10","9","9","7","2","1") = "9"
    & skf18("10","10","9","9","7","3","1") = "9"
    & skf18("10","10","9","9","7","4","1") = "9"
    & skf18("10","10","9","9","7","5","1") = "9"
    & skf18("10","10","9","9","7","6","1") = "9"
    & skf18("10","10","9","9","7","7","1") = "9"
    & skf18("10","10","9","9","7","8","1") = "9"
    & skf18("10","10","9","9","7","9","1") = "9"
    & skf18("10","10","9","9","7","10","1") = "9"
    & skf18("10","10","9","9","8","1","1") = "9"
    & skf18("10","10","9","9","8","2","1") = "9"
    & skf18("10","10","9","9","8","3","1") = "9"
    & skf18("10","10","9","9","8","4","1") = "9"
    & skf18("10","10","9","9","8","5","1") = "9"
    & skf18("10","10","9","9","8","6","1") = "9"
    & skf18("10","10","9","9","8","7","1") = "9"
    & skf18("10","10","9","9","8","8","1") = "9"
    & skf18("10","10","9","9","8","9","1") = "9"
    & skf18("10","10","9","9","8","10","1") = "9"
    & skf18("10","10","9","9","9","1","1") = "9"
    & skf18("10","10","9","9","9","2","1") = "9"
    & skf18("10","10","9","9","9","3","1") = "9"
    & skf18("10","10","9","9","9","4","1") = "9"
    & skf18("10","10","9","9","9","5","1") = "9"
    & skf18("10","10","9","9","9","6","1") = "9"
    & skf18("10","10","9","9","9","7","1") = "9"
    & skf18("10","10","9","9","9","8","1") = "9"
    & skf18("10","10","9","9","9","9","1") = "9"
    & skf18("10","10","9","9","9","10","1") = "9"
    & skf18("10","10","9","9","10","1","1") = "9"
    & skf18("10","10","9","9","10","2","1") = "9"
    & skf18("10","10","9","9","10","3","1") = "9"
    & skf18("10","10","9","9","10","4","1") = "9"
    & skf18("10","10","9","9","10","5","1") = "9"
    & skf18("10","10","9","9","10","6","1") = "9"
    & skf18("10","10","9","9","10","7","1") = "9"
    & skf18("10","10","9","9","10","8","1") = "9"
    & skf18("10","10","9","9","10","9","1") = "9"
    & skf18("10","10","9","9","10","10","1") = "9"
    & skf18("10","10","9","10","1","1","1") = "9"
    & skf18("10","10","9","10","1","2","1") = "9"
    & skf18("10","10","9","10","1","3","1") = "9"
    & skf18("10","10","9","10","1","4","1") = "9"
    & skf18("10","10","9","10","1","5","1") = "9"
    & skf18("10","10","9","10","1","6","1") = "9"
    & skf18("10","10","9","10","1","7","1") = "9"
    & skf18("10","10","9","10","1","8","1") = "9"
    & skf18("10","10","9","10","1","9","1") = "9"
    & skf18("10","10","9","10","1","10","1") = "9"
    & skf18("10","10","9","10","2","1","1") = "9"
    & skf18("10","10","9","10","2","2","1") = "9"
    & skf18("10","10","9","10","2","3","1") = "9"
    & skf18("10","10","9","10","2","4","1") = "9"
    & skf18("10","10","9","10","2","5","1") = "9"
    & skf18("10","10","9","10","2","6","1") = "9"
    & skf18("10","10","9","10","2","7","1") = "9"
    & skf18("10","10","9","10","2","8","1") = "9"
    & skf18("10","10","9","10","2","9","1") = "9"
    & skf18("10","10","9","10","2","10","1") = "9"
    & skf18("10","10","9","10","3","1","1") = "9"
    & skf18("10","10","9","10","3","2","1") = "9"
    & skf18("10","10","9","10","3","3","1") = "9"
    & skf18("10","10","9","10","3","4","1") = "9"
    & skf18("10","10","9","10","3","5","1") = "9"
    & skf18("10","10","9","10","3","6","1") = "9"
    & skf18("10","10","9","10","3","7","1") = "9"
    & skf18("10","10","9","10","3","8","1") = "9"
    & skf18("10","10","9","10","3","9","1") = "9"
    & skf18("10","10","9","10","3","10","1") = "9"
    & skf18("10","10","9","10","4","1","1") = "9"
    & skf18("10","10","9","10","4","2","1") = "9"
    & skf18("10","10","9","10","4","3","1") = "9"
    & skf18("10","10","9","10","4","4","1") = "9"
    & skf18("10","10","9","10","4","5","1") = "9"
    & skf18("10","10","9","10","4","6","1") = "9"
    & skf18("10","10","9","10","4","7","1") = "9"
    & skf18("10","10","9","10","4","8","1") = "9"
    & skf18("10","10","9","10","4","9","1") = "9"
    & skf18("10","10","9","10","4","10","1") = "9"
    & skf18("10","10","9","10","5","1","1") = "9"
    & skf18("10","10","9","10","5","2","1") = "9"
    & skf18("10","10","9","10","5","3","1") = "9"
    & skf18("10","10","9","10","5","4","1") = "9"
    & skf18("10","10","9","10","5","5","1") = "9"
    & skf18("10","10","9","10","5","6","1") = "9"
    & skf18("10","10","9","10","5","7","1") = "9"
    & skf18("10","10","9","10","5","8","1") = "9"
    & skf18("10","10","9","10","5","9","1") = "9"
    & skf18("10","10","9","10","5","10","1") = "9"
    & skf18("10","10","9","10","6","1","1") = "9"
    & skf18("10","10","9","10","6","2","1") = "9"
    & skf18("10","10","9","10","6","3","1") = "9"
    & skf18("10","10","9","10","6","4","1") = "9"
    & skf18("10","10","9","10","6","5","1") = "9"
    & skf18("10","10","9","10","6","6","1") = "9"
    & skf18("10","10","9","10","6","7","1") = "9"
    & skf18("10","10","9","10","6","8","1") = "9"
    & skf18("10","10","9","10","6","9","1") = "9"
    & skf18("10","10","9","10","6","10","1") = "9"
    & skf18("10","10","9","10","7","1","1") = "9"
    & skf18("10","10","9","10","7","2","1") = "9"
    & skf18("10","10","9","10","7","3","1") = "9"
    & skf18("10","10","9","10","7","4","1") = "9"
    & skf18("10","10","9","10","7","5","1") = "9"
    & skf18("10","10","9","10","7","6","1") = "9"
    & skf18("10","10","9","10","7","7","1") = "9"
    & skf18("10","10","9","10","7","8","1") = "9"
    & skf18("10","10","9","10","7","9","1") = "9"
    & skf18("10","10","9","10","7","10","1") = "9"
    & skf18("10","10","9","10","8","1","1") = "9"
    & skf18("10","10","9","10","8","2","1") = "9"
    & skf18("10","10","9","10","8","3","1") = "9"
    & skf18("10","10","9","10","8","4","1") = "9"
    & skf18("10","10","9","10","8","5","1") = "9"
    & skf18("10","10","9","10","8","6","1") = "9"
    & skf18("10","10","9","10","8","7","1") = "9"
    & skf18("10","10","9","10","8","8","1") = "9"
    & skf18("10","10","9","10","8","9","1") = "9"
    & skf18("10","10","9","10","8","10","1") = "9"
    & skf18("10","10","9","10","9","1","1") = "9"
    & skf18("10","10","9","10","9","2","1") = "9"
    & skf18("10","10","9","10","9","3","1") = "9"
    & skf18("10","10","9","10","9","4","1") = "9"
    & skf18("10","10","9","10","9","5","1") = "9"
    & skf18("10","10","9","10","9","6","1") = "9"
    & skf18("10","10","9","10","9","7","1") = "9"
    & skf18("10","10","9","10","9","8","1") = "9"
    & skf18("10","10","9","10","9","9","1") = "9"
    & skf18("10","10","9","10","9","10","1") = "9"
    & skf18("10","10","9","10","10","1","1") = "9"
    & skf18("10","10","9","10","10","2","1") = "9"
    & skf18("10","10","9","10","10","3","1") = "9"
    & skf18("10","10","9","10","10","4","1") = "9"
    & skf18("10","10","9","10","10","5","1") = "9"
    & skf18("10","10","9","10","10","6","1") = "9"
    & skf18("10","10","9","10","10","7","1") = "9"
    & skf18("10","10","9","10","10","8","1") = "9"
    & skf18("10","10","9","10","10","9","1") = "9"
    & skf18("10","10","9","10","10","10","1") = "9"
    & skf18("10","10","10","1","1","1","1") = "9"
    & skf18("10","10","10","1","1","2","1") = "9"
    & skf18("10","10","10","1","1","3","1") = "9"
    & skf18("10","10","10","1","1","4","1") = "9"
    & skf18("10","10","10","1","1","5","1") = "9"
    & skf18("10","10","10","1","1","6","1") = "9"
    & skf18("10","10","10","1","1","7","1") = "9"
    & skf18("10","10","10","1","1","8","1") = "9"
    & skf18("10","10","10","1","1","9","1") = "9"
    & skf18("10","10","10","1","1","10","1") = "9"
    & skf18("10","10","10","1","2","1","1") = "9"
    & skf18("10","10","10","1","2","2","1") = "9"
    & skf18("10","10","10","1","2","3","1") = "9"
    & skf18("10","10","10","1","2","4","1") = "9"
    & skf18("10","10","10","1","2","5","1") = "9"
    & skf18("10","10","10","1","2","6","1") = "9"
    & skf18("10","10","10","1","2","7","1") = "9"
    & skf18("10","10","10","1","2","8","1") = "9"
    & skf18("10","10","10","1","2","9","1") = "9"
    & skf18("10","10","10","1","2","10","1") = "9"
    & skf18("10","10","10","1","3","1","1") = "9"
    & skf18("10","10","10","1","3","2","1") = "9"
    & skf18("10","10","10","1","3","3","1") = "9"
    & skf18("10","10","10","1","3","4","1") = "9"
    & skf18("10","10","10","1","3","5","1") = "9"
    & skf18("10","10","10","1","3","6","1") = "9"
    & skf18("10","10","10","1","3","7","1") = "9"
    & skf18("10","10","10","1","3","8","1") = "9"
    & skf18("10","10","10","1","3","9","1") = "9"
    & skf18("10","10","10","1","3","10","1") = "9"
    & skf18("10","10","10","1","4","1","1") = "9"
    & skf18("10","10","10","1","4","2","1") = "9"
    & skf18("10","10","10","1","4","3","1") = "9"
    & skf18("10","10","10","1","4","4","1") = "9"
    & skf18("10","10","10","1","4","5","1") = "9"
    & skf18("10","10","10","1","4","6","1") = "9"
    & skf18("10","10","10","1","4","7","1") = "9"
    & skf18("10","10","10","1","4","8","1") = "9"
    & skf18("10","10","10","1","4","9","1") = "9"
    & skf18("10","10","10","1","4","10","1") = "9"
    & skf18("10","10","10","1","5","1","1") = "9"
    & skf18("10","10","10","1","5","2","1") = "9"
    & skf18("10","10","10","1","5","3","1") = "9"
    & skf18("10","10","10","1","5","4","1") = "9"
    & skf18("10","10","10","1","5","5","1") = "9"
    & skf18("10","10","10","1","5","6","1") = "9"
    & skf18("10","10","10","1","5","7","1") = "9"
    & skf18("10","10","10","1","5","8","1") = "9"
    & skf18("10","10","10","1","5","9","1") = "9"
    & skf18("10","10","10","1","5","10","1") = "9"
    & skf18("10","10","10","1","6","1","1") = "9"
    & skf18("10","10","10","1","6","2","1") = "9"
    & skf18("10","10","10","1","6","3","1") = "9"
    & skf18("10","10","10","1","6","4","1") = "9"
    & skf18("10","10","10","1","6","5","1") = "9"
    & skf18("10","10","10","1","6","6","1") = "9"
    & skf18("10","10","10","1","6","7","1") = "9"
    & skf18("10","10","10","1","6","8","1") = "9"
    & skf18("10","10","10","1","6","9","1") = "9"
    & skf18("10","10","10","1","6","10","1") = "9"
    & skf18("10","10","10","1","7","1","1") = "9"
    & skf18("10","10","10","1","7","2","1") = "9"
    & skf18("10","10","10","1","7","3","1") = "9"
    & skf18("10","10","10","1","7","4","1") = "9"
    & skf18("10","10","10","1","7","5","1") = "9"
    & skf18("10","10","10","1","7","6","1") = "9"
    & skf18("10","10","10","1","7","7","1") = "9"
    & skf18("10","10","10","1","7","8","1") = "9"
    & skf18("10","10","10","1","7","9","1") = "9"
    & skf18("10","10","10","1","7","10","1") = "9"
    & skf18("10","10","10","1","8","1","1") = "9"
    & skf18("10","10","10","1","8","2","1") = "9"
    & skf18("10","10","10","1","8","3","1") = "9"
    & skf18("10","10","10","1","8","4","1") = "9"
    & skf18("10","10","10","1","8","5","1") = "9"
    & skf18("10","10","10","1","8","6","1") = "9"
    & skf18("10","10","10","1","8","7","1") = "9"
    & skf18("10","10","10","1","8","8","1") = "9"
    & skf18("10","10","10","1","8","9","1") = "9"
    & skf18("10","10","10","1","8","10","1") = "9"
    & skf18("10","10","10","1","9","1","1") = "9"
    & skf18("10","10","10","1","9","2","1") = "9"
    & skf18("10","10","10","1","9","3","1") = "9"
    & skf18("10","10","10","1","9","4","1") = "9"
    & skf18("10","10","10","1","9","5","1") = "9"
    & skf18("10","10","10","1","9","6","1") = "9"
    & skf18("10","10","10","1","9","7","1") = "9"
    & skf18("10","10","10","1","9","8","1") = "9"
    & skf18("10","10","10","1","9","9","1") = "9"
    & skf18("10","10","10","1","9","10","1") = "9"
    & skf18("10","10","10","1","10","1","1") = "9"
    & skf18("10","10","10","1","10","2","1") = "9"
    & skf18("10","10","10","1","10","3","1") = "9"
    & skf18("10","10","10","1","10","4","1") = "9"
    & skf18("10","10","10","1","10","5","1") = "9"
    & skf18("10","10","10","1","10","6","1") = "9"
    & skf18("10","10","10","1","10","7","1") = "9"
    & skf18("10","10","10","1","10","8","1") = "9"
    & skf18("10","10","10","1","10","9","1") = "9"
    & skf18("10","10","10","1","10","10","1") = "9"
    & skf18("10","10","10","2","1","1","1") = "9"
    & skf18("10","10","10","2","1","2","1") = "9"
    & skf18("10","10","10","2","1","3","1") = "9"
    & skf18("10","10","10","2","1","4","1") = "9"
    & skf18("10","10","10","2","1","5","1") = "9"
    & skf18("10","10","10","2","1","6","1") = "9"
    & skf18("10","10","10","2","1","7","1") = "9"
    & skf18("10","10","10","2","1","8","1") = "9"
    & skf18("10","10","10","2","1","9","1") = "9"
    & skf18("10","10","10","2","1","10","1") = "9"
    & skf18("10","10","10","2","2","1","1") = "9"
    & skf18("10","10","10","2","2","2","1") = "9"
    & skf18("10","10","10","2","2","3","1") = "9"
    & skf18("10","10","10","2","2","4","1") = "9"
    & skf18("10","10","10","2","2","5","1") = "9"
    & skf18("10","10","10","2","2","6","1") = "9"
    & skf18("10","10","10","2","2","7","1") = "9"
    & skf18("10","10","10","2","2","8","1") = "9"
    & skf18("10","10","10","2","2","9","1") = "9"
    & skf18("10","10","10","2","2","10","1") = "9"
    & skf18("10","10","10","2","3","1","1") = "9"
    & skf18("10","10","10","2","3","2","1") = "9"
    & skf18("10","10","10","2","3","3","1") = "9"
    & skf18("10","10","10","2","3","4","1") = "9"
    & skf18("10","10","10","2","3","5","1") = "9"
    & skf18("10","10","10","2","3","6","1") = "9"
    & skf18("10","10","10","2","3","7","1") = "9"
    & skf18("10","10","10","2","3","8","1") = "9"
    & skf18("10","10","10","2","3","9","1") = "9"
    & skf18("10","10","10","2","3","10","1") = "9"
    & skf18("10","10","10","2","4","1","1") = "9"
    & skf18("10","10","10","2","4","2","1") = "9"
    & skf18("10","10","10","2","4","3","1") = "9"
    & skf18("10","10","10","2","4","4","1") = "9"
    & skf18("10","10","10","2","4","5","1") = "9"
    & skf18("10","10","10","2","4","6","1") = "9"
    & skf18("10","10","10","2","4","7","1") = "9"
    & skf18("10","10","10","2","4","8","1") = "9"
    & skf18("10","10","10","2","4","9","1") = "9"
    & skf18("10","10","10","2","4","10","1") = "9"
    & skf18("10","10","10","2","5","1","1") = "9"
    & skf18("10","10","10","2","5","2","1") = "9"
    & skf18("10","10","10","2","5","3","1") = "9"
    & skf18("10","10","10","2","5","4","1") = "9"
    & skf18("10","10","10","2","5","5","1") = "9"
    & skf18("10","10","10","2","5","6","1") = "9"
    & skf18("10","10","10","2","5","7","1") = "9"
    & skf18("10","10","10","2","5","8","1") = "9"
    & skf18("10","10","10","2","5","9","1") = "9"
    & skf18("10","10","10","2","5","10","1") = "9"
    & skf18("10","10","10","2","6","1","1") = "9"
    & skf18("10","10","10","2","6","2","1") = "9"
    & skf18("10","10","10","2","6","3","1") = "9"
    & skf18("10","10","10","2","6","4","1") = "9"
    & skf18("10","10","10","2","6","5","1") = "9"
    & skf18("10","10","10","2","6","6","1") = "9"
    & skf18("10","10","10","2","6","7","1") = "9"
    & skf18("10","10","10","2","6","8","1") = "9"
    & skf18("10","10","10","2","6","9","1") = "9"
    & skf18("10","10","10","2","6","10","1") = "9"
    & skf18("10","10","10","2","7","1","1") = "9"
    & skf18("10","10","10","2","7","2","1") = "9"
    & skf18("10","10","10","2","7","3","1") = "9"
    & skf18("10","10","10","2","7","4","1") = "9"
    & skf18("10","10","10","2","7","5","1") = "9"
    & skf18("10","10","10","2","7","6","1") = "9"
    & skf18("10","10","10","2","7","7","1") = "9"
    & skf18("10","10","10","2","7","8","1") = "9"
    & skf18("10","10","10","2","7","9","1") = "9"
    & skf18("10","10","10","2","7","10","1") = "9"
    & skf18("10","10","10","2","8","1","1") = "9"
    & skf18("10","10","10","2","8","2","1") = "9"
    & skf18("10","10","10","2","8","3","1") = "9"
    & skf18("10","10","10","2","8","4","1") = "9"
    & skf18("10","10","10","2","8","5","1") = "9"
    & skf18("10","10","10","2","8","6","1") = "9"
    & skf18("10","10","10","2","8","7","1") = "9"
    & skf18("10","10","10","2","8","8","1") = "9"
    & skf18("10","10","10","2","8","9","1") = "9"
    & skf18("10","10","10","2","8","10","1") = "9"
    & skf18("10","10","10","2","9","1","1") = "9"
    & skf18("10","10","10","2","9","2","1") = "9"
    & skf18("10","10","10","2","9","3","1") = "9"
    & skf18("10","10","10","2","9","4","1") = "9"
    & skf18("10","10","10","2","9","5","1") = "9"
    & skf18("10","10","10","2","9","6","1") = "9"
    & skf18("10","10","10","2","9","7","1") = "9"
    & skf18("10","10","10","2","9","8","1") = "9"
    & skf18("10","10","10","2","9","9","1") = "9"
    & skf18("10","10","10","2","9","10","1") = "9"
    & skf18("10","10","10","2","10","1","1") = "9"
    & skf18("10","10","10","2","10","2","1") = "9"
    & skf18("10","10","10","2","10","3","1") = "9"
    & skf18("10","10","10","2","10","4","1") = "9"
    & skf18("10","10","10","2","10","5","1") = "9"
    & skf18("10","10","10","2","10","6","1") = "9"
    & skf18("10","10","10","2","10","7","1") = "9"
    & skf18("10","10","10","2","10","8","1") = "9"
    & skf18("10","10","10","2","10","9","1") = "9"
    & skf18("10","10","10","2","10","10","1") = "9"
    & skf18("10","10","10","3","1","1","1") = "9"
    & skf18("10","10","10","3","1","2","1") = "9"
    & skf18("10","10","10","3","1","3","1") = "9"
    & skf18("10","10","10","3","1","4","1") = "9"
    & skf18("10","10","10","3","1","5","1") = "9"
    & skf18("10","10","10","3","1","6","1") = "9"
    & skf18("10","10","10","3","1","7","1") = "9"
    & skf18("10","10","10","3","1","8","1") = "9"
    & skf18("10","10","10","3","1","9","1") = "9"
    & skf18("10","10","10","3","1","10","1") = "9"
    & skf18("10","10","10","3","2","1","1") = "9"
    & skf18("10","10","10","3","2","2","1") = "9"
    & skf18("10","10","10","3","2","3","1") = "9"
    & skf18("10","10","10","3","2","4","1") = "9"
    & skf18("10","10","10","3","2","5","1") = "9"
    & skf18("10","10","10","3","2","6","1") = "9"
    & skf18("10","10","10","3","2","7","1") = "9"
    & skf18("10","10","10","3","2","8","1") = "9"
    & skf18("10","10","10","3","2","9","1") = "9"
    & skf18("10","10","10","3","2","10","1") = "9"
    & skf18("10","10","10","3","3","1","1") = "9"
    & skf18("10","10","10","3","3","2","1") = "9"
    & skf18("10","10","10","3","3","3","1") = "9"
    & skf18("10","10","10","3","3","4","1") = "9"
    & skf18("10","10","10","3","3","5","1") = "9"
    & skf18("10","10","10","3","3","6","1") = "9"
    & skf18("10","10","10","3","3","7","1") = "9"
    & skf18("10","10","10","3","3","8","1") = "9"
    & skf18("10","10","10","3","3","9","1") = "9"
    & skf18("10","10","10","3","3","10","1") = "9"
    & skf18("10","10","10","3","4","1","1") = "9"
    & skf18("10","10","10","3","4","2","1") = "9"
    & skf18("10","10","10","3","4","3","1") = "9"
    & skf18("10","10","10","3","4","4","1") = "9"
    & skf18("10","10","10","3","4","5","1") = "9"
    & skf18("10","10","10","3","4","6","1") = "9"
    & skf18("10","10","10","3","4","7","1") = "9"
    & skf18("10","10","10","3","4","8","1") = "9"
    & skf18("10","10","10","3","4","9","1") = "9"
    & skf18("10","10","10","3","4","10","1") = "9"
    & skf18("10","10","10","3","5","1","1") = "9"
    & skf18("10","10","10","3","5","2","1") = "9"
    & skf18("10","10","10","3","5","3","1") = "9"
    & skf18("10","10","10","3","5","4","1") = "9"
    & skf18("10","10","10","3","5","5","1") = "9"
    & skf18("10","10","10","3","5","6","1") = "9"
    & skf18("10","10","10","3","5","7","1") = "9"
    & skf18("10","10","10","3","5","8","1") = "9"
    & skf18("10","10","10","3","5","9","1") = "9"
    & skf18("10","10","10","3","5","10","1") = "9"
    & skf18("10","10","10","3","6","1","1") = "9"
    & skf18("10","10","10","3","6","2","1") = "9"
    & skf18("10","10","10","3","6","3","1") = "9"
    & skf18("10","10","10","3","6","4","1") = "9"
    & skf18("10","10","10","3","6","5","1") = "9"
    & skf18("10","10","10","3","6","6","1") = "9"
    & skf18("10","10","10","3","6","7","1") = "9"
    & skf18("10","10","10","3","6","8","1") = "9"
    & skf18("10","10","10","3","6","9","1") = "9"
    & skf18("10","10","10","3","6","10","1") = "9"
    & skf18("10","10","10","3","7","1","1") = "9"
    & skf18("10","10","10","3","7","2","1") = "9"
    & skf18("10","10","10","3","7","3","1") = "9"
    & skf18("10","10","10","3","7","4","1") = "9"
    & skf18("10","10","10","3","7","5","1") = "9"
    & skf18("10","10","10","3","7","6","1") = "9"
    & skf18("10","10","10","3","7","7","1") = "9"
    & skf18("10","10","10","3","7","8","1") = "9"
    & skf18("10","10","10","3","7","9","1") = "9"
    & skf18("10","10","10","3","7","10","1") = "9"
    & skf18("10","10","10","3","8","1","1") = "9"
    & skf18("10","10","10","3","8","2","1") = "9"
    & skf18("10","10","10","3","8","3","1") = "9"
    & skf18("10","10","10","3","8","4","1") = "9"
    & skf18("10","10","10","3","8","5","1") = "9"
    & skf18("10","10","10","3","8","6","1") = "9"
    & skf18("10","10","10","3","8","7","1") = "9"
    & skf18("10","10","10","3","8","8","1") = "9"
    & skf18("10","10","10","3","8","9","1") = "9"
    & skf18("10","10","10","3","8","10","1") = "9"
    & skf18("10","10","10","3","9","1","1") = "9"
    & skf18("10","10","10","3","9","2","1") = "9"
    & skf18("10","10","10","3","9","3","1") = "9"
    & skf18("10","10","10","3","9","4","1") = "9"
    & skf18("10","10","10","3","9","5","1") = "9"
    & skf18("10","10","10","3","9","6","1") = "9"
    & skf18("10","10","10","3","9","7","1") = "9"
    & skf18("10","10","10","3","9","8","1") = "9"
    & skf18("10","10","10","3","9","9","1") = "9"
    & skf18("10","10","10","3","9","10","1") = "9"
    & skf18("10","10","10","3","10","1","1") = "9"
    & skf18("10","10","10","3","10","2","1") = "9"
    & skf18("10","10","10","3","10","3","1") = "9"
    & skf18("10","10","10","3","10","4","1") = "9"
    & skf18("10","10","10","3","10","5","1") = "9"
    & skf18("10","10","10","3","10","6","1") = "9"
    & skf18("10","10","10","3","10","7","1") = "9"
    & skf18("10","10","10","3","10","8","1") = "9"
    & skf18("10","10","10","3","10","9","1") = "9"
    & skf18("10","10","10","3","10","10","1") = "9"
    & skf18("10","10","10","4","1","1","1") = "9"
    & skf18("10","10","10","4","1","2","1") = "9"
    & skf18("10","10","10","4","1","3","1") = "9"
    & skf18("10","10","10","4","1","4","1") = "9"
    & skf18("10","10","10","4","1","5","1") = "9"
    & skf18("10","10","10","4","1","6","1") = "9"
    & skf18("10","10","10","4","1","7","1") = "9"
    & skf18("10","10","10","4","1","8","1") = "9"
    & skf18("10","10","10","4","1","9","1") = "9"
    & skf18("10","10","10","4","1","10","1") = "9"
    & skf18("10","10","10","4","2","1","1") = "9"
    & skf18("10","10","10","4","2","2","1") = "9"
    & skf18("10","10","10","4","2","3","1") = "9"
    & skf18("10","10","10","4","2","4","1") = "9"
    & skf18("10","10","10","4","2","5","1") = "9"
    & skf18("10","10","10","4","2","6","1") = "9"
    & skf18("10","10","10","4","2","7","1") = "9"
    & skf18("10","10","10","4","2","8","1") = "9"
    & skf18("10","10","10","4","2","9","1") = "9"
    & skf18("10","10","10","4","2","10","1") = "9"
    & skf18("10","10","10","4","3","1","1") = "9"
    & skf18("10","10","10","4","3","2","1") = "9"
    & skf18("10","10","10","4","3","3","1") = "9"
    & skf18("10","10","10","4","3","4","1") = "9"
    & skf18("10","10","10","4","3","5","1") = "9"
    & skf18("10","10","10","4","3","6","1") = "9"
    & skf18("10","10","10","4","3","7","1") = "9"
    & skf18("10","10","10","4","3","8","1") = "9"
    & skf18("10","10","10","4","3","9","1") = "9"
    & skf18("10","10","10","4","3","10","1") = "9"
    & skf18("10","10","10","4","4","1","1") = "9"
    & skf18("10","10","10","4","4","2","1") = "9"
    & skf18("10","10","10","4","4","3","1") = "9"
    & skf18("10","10","10","4","4","4","1") = "9"
    & skf18("10","10","10","4","4","5","1") = "9"
    & skf18("10","10","10","4","4","6","1") = "9"
    & skf18("10","10","10","4","4","7","1") = "9"
    & skf18("10","10","10","4","4","8","1") = "9"
    & skf18("10","10","10","4","4","9","1") = "9"
    & skf18("10","10","10","4","4","10","1") = "9"
    & skf18("10","10","10","4","5","1","1") = "9"
    & skf18("10","10","10","4","5","2","1") = "9"
    & skf18("10","10","10","4","5","3","1") = "9"
    & skf18("10","10","10","4","5","4","1") = "9"
    & skf18("10","10","10","4","5","5","1") = "9"
    & skf18("10","10","10","4","5","6","1") = "9"
    & skf18("10","10","10","4","5","7","1") = "9"
    & skf18("10","10","10","4","5","8","1") = "9"
    & skf18("10","10","10","4","5","9","1") = "9"
    & skf18("10","10","10","4","5","10","1") = "9"
    & skf18("10","10","10","4","6","1","1") = "9"
    & skf18("10","10","10","4","6","2","1") = "9"
    & skf18("10","10","10","4","6","3","1") = "9"
    & skf18("10","10","10","4","6","4","1") = "9"
    & skf18("10","10","10","4","6","5","1") = "9"
    & skf18("10","10","10","4","6","6","1") = "9"
    & skf18("10","10","10","4","6","7","1") = "9"
    & skf18("10","10","10","4","6","8","1") = "9"
    & skf18("10","10","10","4","6","9","1") = "9"
    & skf18("10","10","10","4","6","10","1") = "9"
    & skf18("10","10","10","4","7","1","1") = "9"
    & skf18("10","10","10","4","7","2","1") = "9"
    & skf18("10","10","10","4","7","3","1") = "9"
    & skf18("10","10","10","4","7","4","1") = "9"
    & skf18("10","10","10","4","7","5","1") = "9"
    & skf18("10","10","10","4","7","6","1") = "9"
    & skf18("10","10","10","4","7","7","1") = "9"
    & skf18("10","10","10","4","7","8","1") = "9"
    & skf18("10","10","10","4","7","9","1") = "9"
    & skf18("10","10","10","4","7","10","1") = "9"
    & skf18("10","10","10","4","8","1","1") = "9"
    & skf18("10","10","10","4","8","2","1") = "9"
    & skf18("10","10","10","4","8","3","1") = "9"
    & skf18("10","10","10","4","8","4","1") = "9"
    & skf18("10","10","10","4","8","5","1") = "9"
    & skf18("10","10","10","4","8","6","1") = "9"
    & skf18("10","10","10","4","8","7","1") = "9"
    & skf18("10","10","10","4","8","8","1") = "9"
    & skf18("10","10","10","4","8","9","1") = "9"
    & skf18("10","10","10","4","8","10","1") = "9"
    & skf18("10","10","10","4","9","1","1") = "9"
    & skf18("10","10","10","4","9","2","1") = "9"
    & skf18("10","10","10","4","9","3","1") = "9"
    & skf18("10","10","10","4","9","4","1") = "9"
    & skf18("10","10","10","4","9","5","1") = "9"
    & skf18("10","10","10","4","9","6","1") = "9"
    & skf18("10","10","10","4","9","7","1") = "9"
    & skf18("10","10","10","4","9","8","1") = "9"
    & skf18("10","10","10","4","9","9","1") = "9"
    & skf18("10","10","10","4","9","10","1") = "9"
    & skf18("10","10","10","4","10","1","1") = "9"
    & skf18("10","10","10","4","10","2","1") = "9"
    & skf18("10","10","10","4","10","3","1") = "9"
    & skf18("10","10","10","4","10","4","1") = "9"
    & skf18("10","10","10","4","10","5","1") = "9"
    & skf18("10","10","10","4","10","6","1") = "9"
    & skf18("10","10","10","4","10","7","1") = "9"
    & skf18("10","10","10","4","10","8","1") = "9"
    & skf18("10","10","10","4","10","9","1") = "9"
    & skf18("10","10","10","4","10","10","1") = "9"
    & skf18("10","10","10","5","1","1","1") = "9"
    & skf18("10","10","10","5","1","2","1") = "9"
    & skf18("10","10","10","5","1","3","1") = "9"
    & skf18("10","10","10","5","1","4","1") = "9"
    & skf18("10","10","10","5","1","5","1") = "9"
    & skf18("10","10","10","5","1","6","1") = "9"
    & skf18("10","10","10","5","1","7","1") = "9"
    & skf18("10","10","10","5","1","8","1") = "9"
    & skf18("10","10","10","5","1","9","1") = "9"
    & skf18("10","10","10","5","1","10","1") = "9"
    & skf18("10","10","10","5","2","1","1") = "9"
    & skf18("10","10","10","5","2","2","1") = "9"
    & skf18("10","10","10","5","2","3","1") = "9"
    & skf18("10","10","10","5","2","4","1") = "9"
    & skf18("10","10","10","5","2","5","1") = "9"
    & skf18("10","10","10","5","2","6","1") = "9"
    & skf18("10","10","10","5","2","7","1") = "9"
    & skf18("10","10","10","5","2","8","1") = "9"
    & skf18("10","10","10","5","2","9","1") = "9"
    & skf18("10","10","10","5","2","10","1") = "9"
    & skf18("10","10","10","5","3","1","1") = "9"
    & skf18("10","10","10","5","3","2","1") = "9"
    & skf18("10","10","10","5","3","3","1") = "9"
    & skf18("10","10","10","5","3","4","1") = "9"
    & skf18("10","10","10","5","3","5","1") = "9"
    & skf18("10","10","10","5","3","6","1") = "9"
    & skf18("10","10","10","5","3","7","1") = "9"
    & skf18("10","10","10","5","3","8","1") = "9"
    & skf18("10","10","10","5","3","9","1") = "9"
    & skf18("10","10","10","5","3","10","1") = "9"
    & skf18("10","10","10","5","4","1","1") = "9"
    & skf18("10","10","10","5","4","2","1") = "9"
    & skf18("10","10","10","5","4","3","1") = "9"
    & skf18("10","10","10","5","4","4","1") = "9"
    & skf18("10","10","10","5","4","5","1") = "9"
    & skf18("10","10","10","5","4","6","1") = "9"
    & skf18("10","10","10","5","4","7","1") = "9"
    & skf18("10","10","10","5","4","8","1") = "9"
    & skf18("10","10","10","5","4","9","1") = "9"
    & skf18("10","10","10","5","4","10","1") = "9"
    & skf18("10","10","10","5","5","1","1") = "9"
    & skf18("10","10","10","5","5","2","1") = "9"
    & skf18("10","10","10","5","5","3","1") = "9"
    & skf18("10","10","10","5","5","4","1") = "9"
    & skf18("10","10","10","5","5","5","1") = "9"
    & skf18("10","10","10","5","5","6","1") = "9"
    & skf18("10","10","10","5","5","7","1") = "9"
    & skf18("10","10","10","5","5","8","1") = "9"
    & skf18("10","10","10","5","5","9","1") = "9"
    & skf18("10","10","10","5","5","10","1") = "9"
    & skf18("10","10","10","5","6","1","1") = "9"
    & skf18("10","10","10","5","6","2","1") = "9"
    & skf18("10","10","10","5","6","3","1") = "9"
    & skf18("10","10","10","5","6","4","1") = "9"
    & skf18("10","10","10","5","6","5","1") = "9"
    & skf18("10","10","10","5","6","6","1") = "9"
    & skf18("10","10","10","5","6","7","1") = "9"
    & skf18("10","10","10","5","6","8","1") = "9"
    & skf18("10","10","10","5","6","9","1") = "9"
    & skf18("10","10","10","5","6","10","1") = "9"
    & skf18("10","10","10","5","7","1","1") = "9"
    & skf18("10","10","10","5","7","2","1") = "9"
    & skf18("10","10","10","5","7","3","1") = "9"
    & skf18("10","10","10","5","7","4","1") = "9"
    & skf18("10","10","10","5","7","5","1") = "9"
    & skf18("10","10","10","5","7","6","1") = "9"
    & skf18("10","10","10","5","7","7","1") = "9"
    & skf18("10","10","10","5","7","8","1") = "9"
    & skf18("10","10","10","5","7","9","1") = "9"
    & skf18("10","10","10","5","7","10","1") = "9"
    & skf18("10","10","10","5","8","1","1") = "9"
    & skf18("10","10","10","5","8","2","1") = "9"
    & skf18("10","10","10","5","8","3","1") = "9"
    & skf18("10","10","10","5","8","4","1") = "9"
    & skf18("10","10","10","5","8","5","1") = "9"
    & skf18("10","10","10","5","8","6","1") = "9"
    & skf18("10","10","10","5","8","7","1") = "9"
    & skf18("10","10","10","5","8","8","1") = "9"
    & skf18("10","10","10","5","8","9","1") = "9"
    & skf18("10","10","10","5","8","10","1") = "9"
    & skf18("10","10","10","5","9","1","1") = "9"
    & skf18("10","10","10","5","9","2","1") = "9"
    & skf18("10","10","10","5","9","3","1") = "9"
    & skf18("10","10","10","5","9","4","1") = "9"
    & skf18("10","10","10","5","9","5","1") = "9"
    & skf18("10","10","10","5","9","6","1") = "9"
    & skf18("10","10","10","5","9","7","1") = "9"
    & skf18("10","10","10","5","9","8","1") = "9"
    & skf18("10","10","10","5","9","9","1") = "9"
    & skf18("10","10","10","5","9","10","1") = "9"
    & skf18("10","10","10","5","10","1","1") = "9"
    & skf18("10","10","10","5","10","2","1") = "9"
    & skf18("10","10","10","5","10","3","1") = "9"
    & skf18("10","10","10","5","10","4","1") = "9"
    & skf18("10","10","10","5","10","5","1") = "9"
    & skf18("10","10","10","5","10","6","1") = "9"
    & skf18("10","10","10","5","10","7","1") = "9"
    & skf18("10","10","10","5","10","8","1") = "9"
    & skf18("10","10","10","5","10","9","1") = "9"
    & skf18("10","10","10","5","10","10","1") = "9"
    & skf18("10","10","10","6","1","1","1") = "9"
    & skf18("10","10","10","6","1","2","1") = "9"
    & skf18("10","10","10","6","1","3","1") = "9"
    & skf18("10","10","10","6","1","4","1") = "9"
    & skf18("10","10","10","6","1","5","1") = "9"
    & skf18("10","10","10","6","1","6","1") = "9"
    & skf18("10","10","10","6","1","7","1") = "9"
    & skf18("10","10","10","6","1","8","1") = "9"
    & skf18("10","10","10","6","1","9","1") = "9"
    & skf18("10","10","10","6","1","10","1") = "9"
    & skf18("10","10","10","6","2","1","1") = "9"
    & skf18("10","10","10","6","2","2","1") = "9"
    & skf18("10","10","10","6","2","3","1") = "9"
    & skf18("10","10","10","6","2","4","1") = "9"
    & skf18("10","10","10","6","2","5","1") = "9"
    & skf18("10","10","10","6","2","6","1") = "9"
    & skf18("10","10","10","6","2","7","1") = "9"
    & skf18("10","10","10","6","2","8","1") = "9"
    & skf18("10","10","10","6","2","9","1") = "9"
    & skf18("10","10","10","6","2","10","1") = "9"
    & skf18("10","10","10","6","3","1","1") = "9"
    & skf18("10","10","10","6","3","2","1") = "9"
    & skf18("10","10","10","6","3","3","1") = "9"
    & skf18("10","10","10","6","3","4","1") = "9"
    & skf18("10","10","10","6","3","5","1") = "9"
    & skf18("10","10","10","6","3","6","1") = "9"
    & skf18("10","10","10","6","3","7","1") = "9"
    & skf18("10","10","10","6","3","8","1") = "9"
    & skf18("10","10","10","6","3","9","1") = "9"
    & skf18("10","10","10","6","3","10","1") = "9"
    & skf18("10","10","10","6","4","1","1") = "9"
    & skf18("10","10","10","6","4","2","1") = "9"
    & skf18("10","10","10","6","4","3","1") = "9"
    & skf18("10","10","10","6","4","4","1") = "9"
    & skf18("10","10","10","6","4","5","1") = "9"
    & skf18("10","10","10","6","4","6","1") = "9"
    & skf18("10","10","10","6","4","7","1") = "9"
    & skf18("10","10","10","6","4","8","1") = "9"
    & skf18("10","10","10","6","4","9","1") = "9"
    & skf18("10","10","10","6","4","10","1") = "9"
    & skf18("10","10","10","6","5","1","1") = "9"
    & skf18("10","10","10","6","5","2","1") = "9"
    & skf18("10","10","10","6","5","3","1") = "9"
    & skf18("10","10","10","6","5","4","1") = "9"
    & skf18("10","10","10","6","5","5","1") = "9"
    & skf18("10","10","10","6","5","6","1") = "9"
    & skf18("10","10","10","6","5","7","1") = "9"
    & skf18("10","10","10","6","5","8","1") = "9"
    & skf18("10","10","10","6","5","9","1") = "9"
    & skf18("10","10","10","6","5","10","1") = "9"
    & skf18("10","10","10","6","6","1","1") = "9"
    & skf18("10","10","10","6","6","2","1") = "9"
    & skf18("10","10","10","6","6","3","1") = "9"
    & skf18("10","10","10","6","6","4","1") = "9"
    & skf18("10","10","10","6","6","5","1") = "9"
    & skf18("10","10","10","6","6","6","1") = "9"
    & skf18("10","10","10","6","6","7","1") = "9"
    & skf18("10","10","10","6","6","8","1") = "9"
    & skf18("10","10","10","6","6","9","1") = "9"
    & skf18("10","10","10","6","6","10","1") = "9"
    & skf18("10","10","10","6","7","1","1") = "9"
    & skf18("10","10","10","6","7","2","1") = "9"
    & skf18("10","10","10","6","7","3","1") = "9"
    & skf18("10","10","10","6","7","4","1") = "9"
    & skf18("10","10","10","6","7","5","1") = "9"
    & skf18("10","10","10","6","7","6","1") = "9"
    & skf18("10","10","10","6","7","7","1") = "9"
    & skf18("10","10","10","6","7","8","1") = "9"
    & skf18("10","10","10","6","7","9","1") = "9"
    & skf18("10","10","10","6","7","10","1") = "9"
    & skf18("10","10","10","6","8","1","1") = "9"
    & skf18("10","10","10","6","8","2","1") = "9"
    & skf18("10","10","10","6","8","3","1") = "9"
    & skf18("10","10","10","6","8","4","1") = "9"
    & skf18("10","10","10","6","8","5","1") = "9"
    & skf18("10","10","10","6","8","6","1") = "9"
    & skf18("10","10","10","6","8","7","1") = "9"
    & skf18("10","10","10","6","8","8","1") = "9"
    & skf18("10","10","10","6","8","9","1") = "9"
    & skf18("10","10","10","6","8","10","1") = "9"
    & skf18("10","10","10","6","9","1","1") = "9"
    & skf18("10","10","10","6","9","2","1") = "9"
    & skf18("10","10","10","6","9","3","1") = "9"
    & skf18("10","10","10","6","9","4","1") = "9"
    & skf18("10","10","10","6","9","5","1") = "9"
    & skf18("10","10","10","6","9","6","1") = "9"
    & skf18("10","10","10","6","9","7","1") = "9"
    & skf18("10","10","10","6","9","8","1") = "9"
    & skf18("10","10","10","6","9","9","1") = "9"
    & skf18("10","10","10","6","9","10","1") = "9"
    & skf18("10","10","10","6","10","1","1") = "9"
    & skf18("10","10","10","6","10","2","1") = "9"
    & skf18("10","10","10","6","10","3","1") = "9"
    & skf18("10","10","10","6","10","4","1") = "9"
    & skf18("10","10","10","6","10","5","1") = "9"
    & skf18("10","10","10","6","10","6","1") = "9"
    & skf18("10","10","10","6","10","7","1") = "9"
    & skf18("10","10","10","6","10","8","1") = "9"
    & skf18("10","10","10","6","10","9","1") = "9"
    & skf18("10","10","10","6","10","10","1") = "9"
    & skf18("10","10","10","7","1","1","1") = "9"
    & skf18("10","10","10","7","1","2","1") = "9"
    & skf18("10","10","10","7","1","3","1") = "9"
    & skf18("10","10","10","7","1","4","1") = "9"
    & skf18("10","10","10","7","1","5","1") = "9"
    & skf18("10","10","10","7","1","6","1") = "9"
    & skf18("10","10","10","7","1","7","1") = "9"
    & skf18("10","10","10","7","1","8","1") = "9"
    & skf18("10","10","10","7","1","9","1") = "9"
    & skf18("10","10","10","7","1","10","1") = "9"
    & skf18("10","10","10","7","2","1","1") = "9"
    & skf18("10","10","10","7","2","2","1") = "9"
    & skf18("10","10","10","7","2","3","1") = "9"
    & skf18("10","10","10","7","2","4","1") = "9"
    & skf18("10","10","10","7","2","5","1") = "9"
    & skf18("10","10","10","7","2","6","1") = "9"
    & skf18("10","10","10","7","2","7","1") = "9"
    & skf18("10","10","10","7","2","8","1") = "9"
    & skf18("10","10","10","7","2","9","1") = "9"
    & skf18("10","10","10","7","2","10","1") = "9"
    & skf18("10","10","10","7","3","1","1") = "9"
    & skf18("10","10","10","7","3","2","1") = "9"
    & skf18("10","10","10","7","3","3","1") = "9"
    & skf18("10","10","10","7","3","4","1") = "9"
    & skf18("10","10","10","7","3","5","1") = "9"
    & skf18("10","10","10","7","3","6","1") = "9"
    & skf18("10","10","10","7","3","7","1") = "9"
    & skf18("10","10","10","7","3","8","1") = "9"
    & skf18("10","10","10","7","3","9","1") = "9"
    & skf18("10","10","10","7","3","10","1") = "9"
    & skf18("10","10","10","7","4","1","1") = "9"
    & skf18("10","10","10","7","4","2","1") = "9"
    & skf18("10","10","10","7","4","3","1") = "9"
    & skf18("10","10","10","7","4","4","1") = "9"
    & skf18("10","10","10","7","4","5","1") = "9"
    & skf18("10","10","10","7","4","6","1") = "9"
    & skf18("10","10","10","7","4","7","1") = "9"
    & skf18("10","10","10","7","4","8","1") = "9"
    & skf18("10","10","10","7","4","9","1") = "9"
    & skf18("10","10","10","7","4","10","1") = "9"
    & skf18("10","10","10","7","5","1","1") = "9"
    & skf18("10","10","10","7","5","2","1") = "9"
    & skf18("10","10","10","7","5","3","1") = "9"
    & skf18("10","10","10","7","5","4","1") = "9"
    & skf18("10","10","10","7","5","5","1") = "9"
    & skf18("10","10","10","7","5","6","1") = "9"
    & skf18("10","10","10","7","5","7","1") = "9"
    & skf18("10","10","10","7","5","8","1") = "9"
    & skf18("10","10","10","7","5","9","1") = "9"
    & skf18("10","10","10","7","5","10","1") = "9"
    & skf18("10","10","10","7","6","1","1") = "9"
    & skf18("10","10","10","7","6","2","1") = "9"
    & skf18("10","10","10","7","6","3","1") = "9"
    & skf18("10","10","10","7","6","4","1") = "9"
    & skf18("10","10","10","7","6","5","1") = "9"
    & skf18("10","10","10","7","6","6","1") = "9"
    & skf18("10","10","10","7","6","7","1") = "9"
    & skf18("10","10","10","7","6","8","1") = "9"
    & skf18("10","10","10","7","6","9","1") = "9"
    & skf18("10","10","10","7","6","10","1") = "9"
    & skf18("10","10","10","7","7","1","1") = "9"
    & skf18("10","10","10","7","7","2","1") = "9"
    & skf18("10","10","10","7","7","3","1") = "9"
    & skf18("10","10","10","7","7","4","1") = "9"
    & skf18("10","10","10","7","7","5","1") = "9"
    & skf18("10","10","10","7","7","6","1") = "9"
    & skf18("10","10","10","7","7","7","1") = "9"
    & skf18("10","10","10","7","7","8","1") = "9"
    & skf18("10","10","10","7","7","9","1") = "9"
    & skf18("10","10","10","7","7","10","1") = "9"
    & skf18("10","10","10","7","8","1","1") = "9"
    & skf18("10","10","10","7","8","2","1") = "9"
    & skf18("10","10","10","7","8","3","1") = "9"
    & skf18("10","10","10","7","8","4","1") = "9"
    & skf18("10","10","10","7","8","5","1") = "9"
    & skf18("10","10","10","7","8","6","1") = "9"
    & skf18("10","10","10","7","8","7","1") = "9"
    & skf18("10","10","10","7","8","8","1") = "9"
    & skf18("10","10","10","7","8","9","1") = "9"
    & skf18("10","10","10","7","8","10","1") = "9"
    & skf18("10","10","10","7","9","1","1") = "9"
    & skf18("10","10","10","7","9","2","1") = "9"
    & skf18("10","10","10","7","9","3","1") = "9"
    & skf18("10","10","10","7","9","4","1") = "9"
    & skf18("10","10","10","7","9","5","1") = "9"
    & skf18("10","10","10","7","9","6","1") = "9"
    & skf18("10","10","10","7","9","7","1") = "9"
    & skf18("10","10","10","7","9","8","1") = "9"
    & skf18("10","10","10","7","9","9","1") = "9"
    & skf18("10","10","10","7","9","10","1") = "9"
    & skf18("10","10","10","7","10","1","1") = "9"
    & skf18("10","10","10","7","10","2","1") = "9"
    & skf18("10","10","10","7","10","3","1") = "9"
    & skf18("10","10","10","7","10","4","1") = "9"
    & skf18("10","10","10","7","10","5","1") = "9"
    & skf18("10","10","10","7","10","6","1") = "9"
    & skf18("10","10","10","7","10","7","1") = "9"
    & skf18("10","10","10","7","10","8","1") = "9"
    & skf18("10","10","10","7","10","9","1") = "9"
    & skf18("10","10","10","7","10","10","1") = "9"
    & skf18("10","10","10","8","1","1","1") = "9"
    & skf18("10","10","10","8","1","2","1") = "9"
    & skf18("10","10","10","8","1","3","1") = "9"
    & skf18("10","10","10","8","1","4","1") = "9"
    & skf18("10","10","10","8","1","5","1") = "9"
    & skf18("10","10","10","8","1","6","1") = "9"
    & skf18("10","10","10","8","1","7","1") = "9"
    & skf18("10","10","10","8","1","8","1") = "9"
    & skf18("10","10","10","8","1","9","1") = "9"
    & skf18("10","10","10","8","1","10","1") = "9"
    & skf18("10","10","10","8","2","1","1") = "9"
    & skf18("10","10","10","8","2","2","1") = "9"
    & skf18("10","10","10","8","2","3","1") = "9"
    & skf18("10","10","10","8","2","4","1") = "9"
    & skf18("10","10","10","8","2","5","1") = "9"
    & skf18("10","10","10","8","2","6","1") = "9"
    & skf18("10","10","10","8","2","7","1") = "9"
    & skf18("10","10","10","8","2","8","1") = "9"
    & skf18("10","10","10","8","2","9","1") = "9"
    & skf18("10","10","10","8","2","10","1") = "9"
    & skf18("10","10","10","8","3","1","1") = "9"
    & skf18("10","10","10","8","3","2","1") = "9"
    & skf18("10","10","10","8","3","3","1") = "9"
    & skf18("10","10","10","8","3","4","1") = "9"
    & skf18("10","10","10","8","3","5","1") = "9"
    & skf18("10","10","10","8","3","6","1") = "9"
    & skf18("10","10","10","8","3","7","1") = "9"
    & skf18("10","10","10","8","3","8","1") = "9"
    & skf18("10","10","10","8","3","9","1") = "9"
    & skf18("10","10","10","8","3","10","1") = "9"
    & skf18("10","10","10","8","4","1","1") = "9"
    & skf18("10","10","10","8","4","2","1") = "9"
    & skf18("10","10","10","8","4","3","1") = "9"
    & skf18("10","10","10","8","4","4","1") = "9"
    & skf18("10","10","10","8","4","5","1") = "9"
    & skf18("10","10","10","8","4","6","1") = "9"
    & skf18("10","10","10","8","4","7","1") = "9"
    & skf18("10","10","10","8","4","8","1") = "9"
    & skf18("10","10","10","8","4","9","1") = "9"
    & skf18("10","10","10","8","4","10","1") = "9"
    & skf18("10","10","10","8","5","1","1") = "9"
    & skf18("10","10","10","8","5","2","1") = "9"
    & skf18("10","10","10","8","5","3","1") = "9"
    & skf18("10","10","10","8","5","4","1") = "9"
    & skf18("10","10","10","8","5","5","1") = "9"
    & skf18("10","10","10","8","5","6","1") = "9"
    & skf18("10","10","10","8","5","7","1") = "9"
    & skf18("10","10","10","8","5","8","1") = "9"
    & skf18("10","10","10","8","5","9","1") = "9"
    & skf18("10","10","10","8","5","10","1") = "9"
    & skf18("10","10","10","8","6","1","1") = "9"
    & skf18("10","10","10","8","6","2","1") = "9"
    & skf18("10","10","10","8","6","3","1") = "9"
    & skf18("10","10","10","8","6","4","1") = "9"
    & skf18("10","10","10","8","6","5","1") = "9"
    & skf18("10","10","10","8","6","6","1") = "9"
    & skf18("10","10","10","8","6","7","1") = "9"
    & skf18("10","10","10","8","6","8","1") = "9"
    & skf18("10","10","10","8","6","9","1") = "9"
    & skf18("10","10","10","8","6","10","1") = "9"
    & skf18("10","10","10","8","7","1","1") = "9"
    & skf18("10","10","10","8","7","2","1") = "9"
    & skf18("10","10","10","8","7","3","1") = "9"
    & skf18("10","10","10","8","7","4","1") = "9"
    & skf18("10","10","10","8","7","5","1") = "9"
    & skf18("10","10","10","8","7","6","1") = "9"
    & skf18("10","10","10","8","7","7","1") = "9"
    & skf18("10","10","10","8","7","8","1") = "9"
    & skf18("10","10","10","8","7","9","1") = "9"
    & skf18("10","10","10","8","7","10","1") = "9"
    & skf18("10","10","10","8","8","1","1") = "9"
    & skf18("10","10","10","8","8","2","1") = "9"
    & skf18("10","10","10","8","8","3","1") = "9"
    & skf18("10","10","10","8","8","4","1") = "9"
    & skf18("10","10","10","8","8","5","1") = "9"
    & skf18("10","10","10","8","8","6","1") = "9"
    & skf18("10","10","10","8","8","7","1") = "9"
    & skf18("10","10","10","8","8","8","1") = "9"
    & skf18("10","10","10","8","8","9","1") = "9"
    & skf18("10","10","10","8","8","10","1") = "9"
    & skf18("10","10","10","8","9","1","1") = "9"
    & skf18("10","10","10","8","9","2","1") = "9"
    & skf18("10","10","10","8","9","3","1") = "9"
    & skf18("10","10","10","8","9","4","1") = "9"
    & skf18("10","10","10","8","9","5","1") = "9"
    & skf18("10","10","10","8","9","6","1") = "9"
    & skf18("10","10","10","8","9","7","1") = "9"
    & skf18("10","10","10","8","9","8","1") = "9"
    & skf18("10","10","10","8","9","9","1") = "9"
    & skf18("10","10","10","8","9","10","1") = "9"
    & skf18("10","10","10","8","10","1","1") = "9"
    & skf18("10","10","10","8","10","2","1") = "9"
    & skf18("10","10","10","8","10","3","1") = "9"
    & skf18("10","10","10","8","10","4","1") = "9"
    & skf18("10","10","10","8","10","5","1") = "9"
    & skf18("10","10","10","8","10","6","1") = "9"
    & skf18("10","10","10","8","10","7","1") = "9"
    & skf18("10","10","10","8","10","8","1") = "9"
    & skf18("10","10","10","8","10","9","1") = "9"
    & skf18("10","10","10","8","10","10","1") = "9"
    & skf18("10","10","10","9","1","1","1") = "9"
    & skf18("10","10","10","9","1","2","1") = "9"
    & skf18("10","10","10","9","1","3","1") = "9"
    & skf18("10","10","10","9","1","4","1") = "9"
    & skf18("10","10","10","9","1","5","1") = "9"
    & skf18("10","10","10","9","1","6","1") = "9"
    & skf18("10","10","10","9","1","7","1") = "9"
    & skf18("10","10","10","9","1","8","1") = "9"
    & skf18("10","10","10","9","1","9","1") = "9"
    & skf18("10","10","10","9","1","10","1") = "9"
    & skf18("10","10","10","9","2","1","1") = "9"
    & skf18("10","10","10","9","2","2","1") = "9"
    & skf18("10","10","10","9","2","3","1") = "9"
    & skf18("10","10","10","9","2","4","1") = "9"
    & skf18("10","10","10","9","2","5","1") = "9"
    & skf18("10","10","10","9","2","6","1") = "9"
    & skf18("10","10","10","9","2","7","1") = "9"
    & skf18("10","10","10","9","2","8","1") = "9"
    & skf18("10","10","10","9","2","9","1") = "9"
    & skf18("10","10","10","9","2","10","1") = "9"
    & skf18("10","10","10","9","3","1","1") = "9"
    & skf18("10","10","10","9","3","2","1") = "9"
    & skf18("10","10","10","9","3","3","1") = "9"
    & skf18("10","10","10","9","3","4","1") = "9"
    & skf18("10","10","10","9","3","5","1") = "9"
    & skf18("10","10","10","9","3","6","1") = "9"
    & skf18("10","10","10","9","3","7","1") = "9"
    & skf18("10","10","10","9","3","8","1") = "9"
    & skf18("10","10","10","9","3","9","1") = "9"
    & skf18("10","10","10","9","3","10","1") = "9"
    & skf18("10","10","10","9","4","1","1") = "9"
    & skf18("10","10","10","9","4","2","1") = "9"
    & skf18("10","10","10","9","4","3","1") = "9"
    & skf18("10","10","10","9","4","4","1") = "9"
    & skf18("10","10","10","9","4","5","1") = "9"
    & skf18("10","10","10","9","4","6","1") = "9"
    & skf18("10","10","10","9","4","7","1") = "9"
    & skf18("10","10","10","9","4","8","1") = "9"
    & skf18("10","10","10","9","4","9","1") = "9"
    & skf18("10","10","10","9","4","10","1") = "9"
    & skf18("10","10","10","9","5","1","1") = "9"
    & skf18("10","10","10","9","5","2","1") = "9"
    & skf18("10","10","10","9","5","3","1") = "9"
    & skf18("10","10","10","9","5","4","1") = "9"
    & skf18("10","10","10","9","5","5","1") = "9"
    & skf18("10","10","10","9","5","6","1") = "9"
    & skf18("10","10","10","9","5","7","1") = "9"
    & skf18("10","10","10","9","5","8","1") = "9"
    & skf18("10","10","10","9","5","9","1") = "9"
    & skf18("10","10","10","9","5","10","1") = "9"
    & skf18("10","10","10","9","6","1","1") = "9"
    & skf18("10","10","10","9","6","2","1") = "9"
    & skf18("10","10","10","9","6","3","1") = "9"
    & skf18("10","10","10","9","6","4","1") = "9"
    & skf18("10","10","10","9","6","5","1") = "9"
    & skf18("10","10","10","9","6","6","1") = "9"
    & skf18("10","10","10","9","6","7","1") = "9"
    & skf18("10","10","10","9","6","8","1") = "9"
    & skf18("10","10","10","9","6","9","1") = "9"
    & skf18("10","10","10","9","6","10","1") = "9"
    & skf18("10","10","10","9","7","1","1") = "9"
    & skf18("10","10","10","9","7","2","1") = "9"
    & skf18("10","10","10","9","7","3","1") = "9"
    & skf18("10","10","10","9","7","4","1") = "9"
    & skf18("10","10","10","9","7","5","1") = "9"
    & skf18("10","10","10","9","7","6","1") = "9"
    & skf18("10","10","10","9","7","7","1") = "9"
    & skf18("10","10","10","9","7","8","1") = "9"
    & skf18("10","10","10","9","7","9","1") = "9"
    & skf18("10","10","10","9","7","10","1") = "9"
    & skf18("10","10","10","9","8","1","1") = "9"
    & skf18("10","10","10","9","8","2","1") = "9"
    & skf18("10","10","10","9","8","3","1") = "9"
    & skf18("10","10","10","9","8","4","1") = "9"
    & skf18("10","10","10","9","8","5","1") = "9"
    & skf18("10","10","10","9","8","6","1") = "9"
    & skf18("10","10","10","9","8","7","1") = "9"
    & skf18("10","10","10","9","8","8","1") = "9"
    & skf18("10","10","10","9","8","9","1") = "9"
    & skf18("10","10","10","9","8","10","1") = "9"
    & skf18("10","10","10","9","9","1","1") = "9"
    & skf18("10","10","10","9","9","2","1") = "9"
    & skf18("10","10","10","9","9","3","1") = "9"
    & skf18("10","10","10","9","9","4","1") = "9"
    & skf18("10","10","10","9","9","5","1") = "9"
    & skf18("10","10","10","9","9","6","1") = "9"
    & skf18("10","10","10","9","9","7","1") = "9"
    & skf18("10","10","10","9","9","8","1") = "9"
    & skf18("10","10","10","9","9","9","1") = "9"
    & skf18("10","10","10","9","9","10","1") = "9"
    & skf18("10","10","10","9","10","1","1") = "9"
    & skf18("10","10","10","9","10","2","1") = "9"
    & skf18("10","10","10","9","10","3","1") = "9"
    & skf18("10","10","10","9","10","4","1") = "9"
    & skf18("10","10","10","9","10","5","1") = "9"
    & skf18("10","10","10","9","10","6","1") = "9"
    & skf18("10","10","10","9","10","7","1") = "9"
    & skf18("10","10","10","9","10","8","1") = "9"
    & skf18("10","10","10","9","10","9","1") = "9"
    & skf18("10","10","10","9","10","10","1") = "9"
    & skf18("10","10","10","10","1","1","1") = "9"
    & skf18("10","10","10","10","1","2","1") = "9"
    & skf18("10","10","10","10","1","3","1") = "9"
    & skf18("10","10","10","10","1","4","1") = "9"
    & skf18("10","10","10","10","1","5","1") = "9"
    & skf18("10","10","10","10","1","6","1") = "9"
    & skf18("10","10","10","10","1","7","1") = "9"
    & skf18("10","10","10","10","1","8","1") = "9"
    & skf18("10","10","10","10","1","9","1") = "9"
    & skf18("10","10","10","10","1","10","1") = "9"
    & skf18("10","10","10","10","2","1","1") = "9"
    & skf18("10","10","10","10","2","2","1") = "9"
    & skf18("10","10","10","10","2","3","1") = "9"
    & skf18("10","10","10","10","2","4","1") = "9"
    & skf18("10","10","10","10","2","5","1") = "9"
    & skf18("10","10","10","10","2","6","1") = "9"
    & skf18("10","10","10","10","2","7","1") = "9"
    & skf18("10","10","10","10","2","8","1") = "9"
    & skf18("10","10","10","10","2","9","1") = "9"
    & skf18("10","10","10","10","2","10","1") = "9"
    & skf18("10","10","10","10","3","1","1") = "9"
    & skf18("10","10","10","10","3","2","1") = "9"
    & skf18("10","10","10","10","3","3","1") = "9"
    & skf18("10","10","10","10","3","4","1") = "9"
    & skf18("10","10","10","10","3","5","1") = "9"
    & skf18("10","10","10","10","3","6","1") = "9"
    & skf18("10","10","10","10","3","7","1") = "9"
    & skf18("10","10","10","10","3","8","1") = "9"
    & skf18("10","10","10","10","3","9","1") = "9"
    & skf18("10","10","10","10","3","10","1") = "9"
    & skf18("10","10","10","10","4","1","1") = "9"
    & skf18("10","10","10","10","4","2","1") = "9"
    & skf18("10","10","10","10","4","3","1") = "9"
    & skf18("10","10","10","10","4","4","1") = "9"
    & skf18("10","10","10","10","4","5","1") = "9"
    & skf18("10","10","10","10","4","6","1") = "9"
    & skf18("10","10","10","10","4","7","1") = "9"
    & skf18("10","10","10","10","4","8","1") = "9"
    & skf18("10","10","10","10","4","9","1") = "9"
    & skf18("10","10","10","10","4","10","1") = "9"
    & skf18("10","10","10","10","5","1","1") = "9"
    & skf18("10","10","10","10","5","2","1") = "9"
    & skf18("10","10","10","10","5","3","1") = "9"
    & skf18("10","10","10","10","5","4","1") = "9"
    & skf18("10","10","10","10","5","5","1") = "9"
    & skf18("10","10","10","10","5","6","1") = "9"
    & skf18("10","10","10","10","5","7","1") = "9"
    & skf18("10","10","10","10","5","8","1") = "9"
    & skf18("10","10","10","10","5","9","1") = "9"
    & skf18("10","10","10","10","5","10","1") = "9"
    & skf18("10","10","10","10","6","1","1") = "9"
    & skf18("10","10","10","10","6","2","1") = "9"
    & skf18("10","10","10","10","6","3","1") = "9"
    & skf18("10","10","10","10","6","4","1") = "9"
    & skf18("10","10","10","10","6","5","1") = "9"
    & skf18("10","10","10","10","6","6","1") = "9"
    & skf18("10","10","10","10","6","7","1") = "9"
    & skf18("10","10","10","10","6","8","1") = "9"
    & skf18("10","10","10","10","6","9","1") = "9"
    & skf18("10","10","10","10","6","10","1") = "9"
    & skf18("10","10","10","10","7","1","1") = "9"
    & skf18("10","10","10","10","7","2","1") = "9"
    & skf18("10","10","10","10","7","3","1") = "9"
    & skf18("10","10","10","10","7","4","1") = "9"
    & skf18("10","10","10","10","7","5","1") = "9"
    & skf18("10","10","10","10","7","6","1") = "9"
    & skf18("10","10","10","10","7","7","1") = "9"
    & skf18("10","10","10","10","7","8","1") = "9"
    & skf18("10","10","10","10","7","9","1") = "9"
    & skf18("10","10","10","10","7","10","1") = "9"
    & skf18("10","10","10","10","8","1","1") = "9"
    & skf18("10","10","10","10","8","2","1") = "9"
    & skf18("10","10","10","10","8","3","1") = "9"
    & skf18("10","10","10","10","8","4","1") = "9"
    & skf18("10","10","10","10","8","5","1") = "9"
    & skf18("10","10","10","10","8","6","1") = "9"
    & skf18("10","10","10","10","8","7","1") = "9"
    & skf18("10","10","10","10","8","8","1") = "9"
    & skf18("10","10","10","10","8","9","1") = "9"
    & skf18("10","10","10","10","8","10","1") = "9"
    & skf18("10","10","10","10","9","1","1") = "9"
    & skf18("10","10","10","10","9","2","1") = "9"
    & skf18("10","10","10","10","9","3","1") = "9"
    & skf18("10","10","10","10","9","4","1") = "9"
    & skf18("10","10","10","10","9","5","1") = "9"
    & skf18("10","10","10","10","9","6","1") = "9"
    & skf18("10","10","10","10","9","7","1") = "9"
    & skf18("10","10","10","10","9","8","1") = "9"
    & skf18("10","10","10","10","9","9","1") = "9"
    & skf18("10","10","10","10","9","10","1") = "9"
    & skf18("10","10","10","10","10","1","1") = "9"
    & skf18("10","10","10","10","10","2","1") = "9"
    & skf18("10","10","10","10","10","3","1") = "9"
    & skf18("10","10","10","10","10","4","1") = "9"
    & skf18("10","10","10","10","10","5","1") = "9"
    & skf18("10","10","10","10","10","6","1") = "9"
    & skf18("10","10","10","10","10","7","1") = "9"
    & skf18("10","10","10","10","10","8","1") = "9"
    & skf18("10","10","10","10","10","9","1") = "9"
    & skf18("10","10","10","10","10","10","1") = "9"
    & ! [X1,X2,X3,X4,X5,X6] : skf18(X1,X2,X3,X4,X5,X6,"2") = skf18(X1,X2,X3,X4,X5,X6,"1")
    & ! [X1,X2,X3,X4,X5,X6] : skf18(X1,X2,X3,X4,X5,X6,"3") = skf18(X1,X2,X3,X4,X5,X6,"2")
    & ! [X1,X2,X3,X4,X5,X6] : skf18(X1,X2,X3,X4,X5,X6,"4") = skf18(X1,X2,X3,X4,X5,X6,"3")
    & ! [X1,X2,X3,X4,X5,X6] : skf18(X1,X2,X3,X4,X5,X6,"5") = skf18(X1,X2,X3,X4,X5,X6,"4")
    & ! [X1,X2,X3,X4,X5,X6] : skf18(X1,X2,X3,X4,X5,X6,"6") = skf18(X1,X2,X3,X4,X5,X6,"5")
    & ! [X1,X2,X3,X4,X5,X6] : skf18(X1,X2,X3,X4,X5,X6,"7") = skf18(X1,X2,X3,X4,X5,X6,"6")
    & ! [X1,X2,X3,X4,X5,X6] : skf18(X1,X2,X3,X4,X5,X6,"8") = skf18(X1,X2,X3,X4,X5,X6,"7")
    & ! [X1,X2,X3,X4,X5,X6] : skf18(X1,X2,X3,X4,X5,X6,"9") = skf18(X1,X2,X3,X4,X5,X6,"8")
    & ! [X1,X2,X3,X4,X5,X6] : skf18(X1,X2,X3,X4,X5,X6,"10") = skf18(X1,X2,X3,X4,X5,X6,"9") ) ).

fof(skf7,fi_functors,
    ( skf7("1") = "10"
    & skf7("2") = "10"
    & skf7("3") = "10"
    & skf7("4") = "10"
    & skf7("5") = "10"
    & skf7("6") = "10"
    & skf7("7") = "10"
    & skf7("8") = "10"
    & skf7("9") = "10"
    & skf7("10") = "10" ) ).

fof(skf9,fi_functors,
    ( skf9("1","1") = "6"
    & skf9("2","1") = "1"
    & skf9("3","1") = "2"
    & skf9("4","1") = "3"
    & skf9("5","1") = "4"
    & skf9("6","1") = "5"
    & skf9("7","1") = "6"
    & skf9("8","1") = "7"
    & skf9("9","1") = "8"
    & skf9("10","1") = "9"
    & ! [X1] : skf9(X1,"2") = skf9(X1,"1")
    & ! [X1] : skf9(X1,"3") = skf9(X1,"2")
    & ! [X1] : skf9(X1,"4") = skf9(X1,"3")
    & ! [X1] : skf9(X1,"5") = skf9(X1,"4")
    & ! [X1] : skf9(X1,"6") = skf9(X1,"5")
    & ! [X1] : skf9(X1,"7") = skf9(X1,"6")
    & ! [X1] : skf9(X1,"8") = skf9(X1,"7")
    & ! [X1] : skf9(X1,"9") = skf9(X1,"8")
    & ! [X1] : skf9(X1,"10") = skf9(X1,"9") ) ).

fof(specific,fi_predicates,
    ( ( specific("1","1")
    <=> $false )
    & ( specific("1","2")
    <=> $true )
    & ( specific("1","3")
    <=> $true )
    & ( specific("1","4")
    <=> $false )
    & ( specific("1","5")
    <=> $true )
    & ( specific("1","6")
    <=> $false )
    & ( specific("1","7")
    <=> $false )
    & ( specific("1","8")
    <=> $false )
    & ( specific("1","9")
    <=> $false )
    & ( specific("1","10")
    <=> $true )
    & ! [X2] :
        ( specific("2",X2)
      <=> specific("1",X2) )
    & ! [X2] :
        ( specific("3",X2)
      <=> specific("2",X2) )
    & ! [X2] :
        ( specific("4",X2)
      <=> specific("3",X2) )
    & ! [X2] :
        ( specific("5",X2)
      <=> specific("4",X2) )
    & ! [X2] :
        ( specific("6",X2)
      <=> specific("5",X2) )
    & ! [X2] :
        ( specific("7",X2)
      <=> specific("6",X2) )
    & ! [X2] :
        ( specific("8",X2)
      <=> specific("7",X2) )
    & ! [X2] :
        ( specific("9",X2)
      <=> specific("8",X2) )
    & ! [X2] :
        ( specific("10",X2)
      <=> specific("9",X2) ) ) ).

fof(substance_matter,fi_predicates,
    ( ( substance_matter("1","1")
    <=> $false )
    & ( substance_matter("1","2")
    <=> $false )
    & ( substance_matter("1","3")
    <=> $true )
    & ( substance_matter("1","4")
    <=> $false )
    & ( substance_matter("1","5")
    <=> $false )
    & ( substance_matter("1","6")
    <=> $false )
    & ( substance_matter("1","7")
    <=> $false )
    & ( substance_matter("1","8")
    <=> $false )
    & ( substance_matter("1","9")
    <=> $false )
    & ( substance_matter("1","10")
    <=> $false )
    & ! [X2] :
        ( substance_matter("2",X2)
      <=> substance_matter("1",X2) )
    & ! [X2] :
        ( substance_matter("3",X2)
      <=> substance_matter("2",X2) )
    & ! [X2] :
        ( substance_matter("4",X2)
      <=> substance_matter("3",X2) )
    & ! [X2] :
        ( substance_matter("5",X2)
      <=> substance_matter("4",X2) )
    & ! [X2] :
        ( substance_matter("6",X2)
      <=> substance_matter("5",X2) )
    & ! [X2] :
        ( substance_matter("7",X2)
      <=> substance_matter("6",X2) )
    & ! [X2] :
        ( substance_matter("8",X2)
      <=> substance_matter("7",X2) )
    & ! [X2] :
        ( substance_matter("9",X2)
      <=> substance_matter("8",X2) )
    & ! [X2] :
        ( substance_matter("10",X2)
      <=> substance_matter("9",X2) ) ) ).

fof(thing,fi_predicates,
    ( ( thing("1","1")
    <=> $false )
    & ( thing("1","2")
    <=> $true )
    & ( thing("1","3")
    <=> $true )
    & ( thing("1","4")
    <=> $true )
    & ( thing("1","5")
    <=> $true )
    & ( thing("1","6")
    <=> $true )
    & ( thing("1","7")
    <=> $true )
    & ( thing("1","8")
    <=> $true )
    & ( thing("1","9")
    <=> $true )
    & ( thing("1","10")
    <=> $true )
    & ! [X2] :
        ( thing("2",X2)
      <=> thing("1",X2) )
    & ! [X2] :
        ( thing("3",X2)
      <=> thing("2",X2) )
    & ! [X2] :
        ( thing("4",X2)
      <=> thing("3",X2) )
    & ! [X2] :
        ( thing("5",X2)
      <=> thing("4",X2) )
    & ! [X2] :
        ( thing("6",X2)
      <=> thing("5",X2) )
    & ! [X2] :
        ( thing("7",X2)
      <=> thing("6",X2) )
    & ! [X2] :
        ( thing("8",X2)
      <=> thing("7",X2) )
    & ! [X2] :
        ( thing("9",X2)
      <=> thing("8",X2) )
    & ! [X2] :
        ( thing("10",X2)
      <=> thing("9",X2) ) ) ).

fof(unisex,fi_predicates,
    ( ( unisex("1","1")
    <=> $false )
    & ( unisex("1","2")
    <=> $true )
    & ( unisex("1","3")
    <=> $true )
    & ( unisex("1","4")
    <=> $true )
    & ( unisex("1","5")
    <=> $false )
    & ( unisex("1","6")
    <=> $true )
    & ( unisex("1","7")
    <=> $true )
    & ( unisex("1","8")
    <=> $true )
    & ( unisex("1","9")
    <=> $true )
    & ( unisex("1","10")
    <=> $true )
    & ! [X2] :
        ( unisex("2",X2)
      <=> unisex("1",X2) )
    & ! [X2] :
        ( unisex("3",X2)
      <=> unisex("2",X2) )
    & ! [X2] :
        ( unisex("4",X2)
      <=> unisex("3",X2) )
    & ! [X2] :
        ( unisex("5",X2)
      <=> unisex("4",X2) )
    & ! [X2] :
        ( unisex("6",X2)
      <=> unisex("5",X2) )
    & ! [X2] :
        ( unisex("7",X2)
      <=> unisex("6",X2) )
    & ! [X2] :
        ( unisex("8",X2)
      <=> unisex("7",X2) )
    & ! [X2] :
        ( unisex("9",X2)
      <=> unisex("8",X2) )
    & ! [X2] :
        ( unisex("10",X2)
      <=> unisex("9",X2) ) ) ).

fof(woman,fi_predicates,
    ( ( woman("1","1")
    <=> $false )
    & ( woman("1","2")
    <=> $false )
    & ( woman("1","3")
    <=> $false )
    & ( woman("1","4")
    <=> $false )
    & ( woman("1","5")
    <=> $true )
    & ( woman("1","6")
    <=> $false )
    & ( woman("1","7")
    <=> $false )
    & ( woman("1","8")
    <=> $false )
    & ( woman("1","9")
    <=> $false )
    & ( woman("1","10")
    <=> $false )
    & ! [X2] :
        ( woman("2",X2)
      <=> woman("1",X2) )
    & ! [X2] :
        ( woman("3",X2)
      <=> woman("2",X2) )
    & ! [X2] :
        ( woman("4",X2)
      <=> woman("3",X2) )
    & ! [X2] :
        ( woman("5",X2)
      <=> woman("4",X2) )
    & ! [X2] :
        ( woman("6",X2)
      <=> woman("5",X2) )
    & ! [X2] :
        ( woman("7",X2)
      <=> woman("6",X2) )
    & ! [X2] :
        ( woman("8",X2)
      <=> woman("7",X2) )
    & ! [X2] :
        ( woman("9",X2)
      <=> woman("8",X2) )
    & ! [X2] :
        ( woman("10",X2)
      <=> woman("9",X2) ) ) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : NLP051-1 : TPTP v8.1.0. Released v2.4.0.
% 0.03/0.11  % Command  : paradox --no-progress --time %d --tstp --model %s
% 0.11/0.32  % Computer : n013.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32  % CPULimit : 300
% 0.11/0.32  % WCLimit  : 600
% 0.11/0.32  % DateTime : Fri Jul  1 07:38:44 EDT 2022
% 0.11/0.33  % CPUTime  : 
% 0.11/0.33  Paradox, version 4.0, 2010-06-29.
% 0.11/0.33  +++ PROBLEM: /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.11/0.33  Reading '/export/starexec/sandbox/benchmark/theBenchmark.p' ... OK
% 0.18/0.35  +++ SOLVING: /export/starexec/sandbox/benchmark/theBenchmark.p
% 52.60/52.74  +++ BEGIN MODEL
% 52.60/52.74  SZS output start FiniteModel for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 66.70/66.83  +++ END MODEL
% 67.91/68.06  +++ RESULT: Satisfiable
% 67.91/68.06  SZS status Satisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
%------------------------------------------------------------------------------